libnice-0.1.4/0000775000175000017500000000000012112010567010117 500000000000000libnice-0.1.4/TODO0000664000175000017500000000074311712634253010544 00000000000000- High priority: Refactor/cleanup conncheck.c and discovery.c Finish GIO support for reliable transport Implement SIP-style forking Implement ICE-TCP (http://tools.ietf.org/html/draft-ietf-mmusic-ice-tcp-15) both for packetized content and streams nice_socket_recv returns -1 means we must close the nice_socket and stop all connchecks/candidates and reelect if was eleected... - Low priority: Add HTTP Digest support check for the cookie and act accordingly for incoming messages. libnice-0.1.4/nice/0000775000175000017500000000000012112010566011034 500000000000000libnice-0.1.4/nice/nice.h0000664000175000017500000000325711522161146012057 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2006-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2006-2009 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Dafydd Harries, Collabora Ltd. * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef _NICE_H #define _NICE_H #include "agent.h" #include "interfaces.h" #endif /* _NICE_H */ libnice-0.1.4/nice/nice.pc.in0000644000175000017500000000041311241364464012632 00000000000000prefix=@prefix@ exec_prefix=@exec_prefix@ libdir=@libdir@ includedir=@includedir@ Name: libnice Description: ICE library Requires: glib-2.0 >= 2.10.0 Version: @VERSION@ Libs: -L${libdir} -lnice @GLIB_LIBS@ Cflags: @GLIB_CFLAGS@ -I${includedir} -I${includedir}/nice libnice-0.1.4/nice/Makefile.in0000664000175000017500000005755712112006557013051 00000000000000# Makefile.in generated by automake 1.11.6 from Makefile.am. # @configure_input@ # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, # 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software # Foundation, Inc. # This Makefile.in is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; without # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. @SET_MAKE@ # # Makefile.am for the Nice Glib ICE library # # (C) 2006, 2007 Collabora Ltd. # (C) 2006, 2007 Nokia Corporation. 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test -f $check_symbols; then echo "cannot find check-symbols.sh" exit 1 fi if ! test -f .libs/libnice.so; then echo "no shared object found" >&2 exit 77 fi sh $check_symbols .libs/libnice.so libnice.symbols libnice-0.1.4/AUTHORS0000644000175000017500000000027311241364464011121 00000000000000Dafydd Harries RĂ©mi Denis-Courmont Kai Vehmanen Youness Alaoui libnice-0.1.4/config.guess0000755000175000017500000012743212112006556012371 00000000000000#! /bin/sh # Attempt to guess a canonical system name. # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, # 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, # 2011, 2012 Free Software Foundation, Inc. timestamp='2012-02-10' # This file is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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I hope that # covers most systems running today. This code pipes the CPU # types through head -n 1, so we only detect the type of CPU 0. ALPHA_CPU_TYPE=`/usr/sbin/psrinfo -v | sed -n -e 's/^ The alpha \(.*\) processor.*$/\1/p' | head -n 1` case "$ALPHA_CPU_TYPE" in "EV4 (21064)") UNAME_MACHINE="alpha" ;; "EV4.5 (21064)") UNAME_MACHINE="alpha" ;; "LCA4 (21066/21068)") UNAME_MACHINE="alpha" ;; "EV5 (21164)") UNAME_MACHINE="alphaev5" ;; "EV5.6 (21164A)") UNAME_MACHINE="alphaev56" ;; "EV5.6 (21164PC)") UNAME_MACHINE="alphapca56" ;; "EV5.7 (21164PC)") UNAME_MACHINE="alphapca57" ;; "EV6 (21264)") UNAME_MACHINE="alphaev6" ;; "EV6.7 (21264A)") UNAME_MACHINE="alphaev67" ;; "EV6.8CB (21264C)") UNAME_MACHINE="alphaev68" ;; "EV6.8AL (21264B)") UNAME_MACHINE="alphaev68" ;; "EV6.8CX (21264D)") UNAME_MACHINE="alphaev68" ;; "EV6.9A (21264/EV69A)") UNAME_MACHINE="alphaev69" ;; "EV7 (21364)") UNAME_MACHINE="alphaev7" ;; "EV7.9 (21364A)") UNAME_MACHINE="alphaev79" ;; esac # A Pn.n version is a patched version. # A Vn.n version is a released version. # A Tn.n version is a released field test version. # A Xn.n version is an unreleased experimental baselevel. # 1.2 uses "1.2" for uname -r. echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[PVTX]//' | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` # Reset EXIT trap before exiting to avoid spurious non-zero exit code. exitcode=$? trap '' 0 exit $exitcode ;; Alpha\ *:Windows_NT*:*) # How do we know it's Interix rather than the generic POSIX subsystem? # Should we change UNAME_MACHINE based on the output of uname instead # of the specific Alpha model? echo alpha-pc-interix exit ;; 21064:Windows_NT:50:3) echo alpha-dec-winnt3.5 exit ;; Amiga*:UNIX_System_V:4.0:*) echo m68k-unknown-sysv4 exit ;; *:[Aa]miga[Oo][Ss]:*:*) echo ${UNAME_MACHINE}-unknown-amigaos exit ;; *:[Mm]orph[Oo][Ss]:*:*) echo ${UNAME_MACHINE}-unknown-morphos exit ;; *:OS/390:*:*) echo i370-ibm-openedition exit ;; *:z/VM:*:*) echo s390-ibm-zvmoe exit ;; *:OS400:*:*) echo powerpc-ibm-os400 exit ;; arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*) echo arm-acorn-riscix${UNAME_RELEASE} exit ;; arm:riscos:*:*|arm:RISCOS:*:*) echo arm-unknown-riscos exit ;; SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*) echo hppa1.1-hitachi-hiuxmpp exit ;; Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*) # akee@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE. if test "`(/bin/universe) 2>/dev/null`" = att ; then echo pyramid-pyramid-sysv3 else echo pyramid-pyramid-bsd fi exit ;; NILE*:*:*:dcosx) echo pyramid-pyramid-svr4 exit ;; DRS?6000:unix:4.0:6*) echo sparc-icl-nx6 exit ;; DRS?6000:UNIX_SV:4.2*:7* | DRS?6000:isis:4.2*:7*) case `/usr/bin/uname -p` in sparc) echo sparc-icl-nx7; exit ;; esac ;; s390x:SunOS:*:*) echo ${UNAME_MACHINE}-ibm-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` exit ;; sun4H:SunOS:5.*:*) echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` exit ;; sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*) echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` exit ;; i86pc:AuroraUX:5.*:* | i86xen:AuroraUX:5.*:*) echo i386-pc-auroraux${UNAME_RELEASE} exit ;; i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*) eval $set_cc_for_build SUN_ARCH="i386" # If there is a compiler, see if it is configured for 64-bit objects. # Note that the Sun cc does not turn __LP64__ into 1 like gcc does. # This test works for both compilers. if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then if (echo '#ifdef __amd64'; echo IS_64BIT_ARCH; echo '#endif') | \ (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \ grep IS_64BIT_ARCH >/dev/null then SUN_ARCH="x86_64" fi fi echo ${SUN_ARCH}-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` exit ;; sun4*:SunOS:6*:*) # According to config.sub, this is the proper way to canonicalize # SunOS6. Hard to guess exactly what SunOS6 will be like, but # it's likely to be more like Solaris than SunOS4. echo sparc-sun-solaris3`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` exit ;; sun4*:SunOS:*:*) case "`/usr/bin/arch -k`" in Series*|S4*) UNAME_RELEASE=`uname -v` ;; esac # Japanese Language versions have a version number like `4.1.3-JL'. echo sparc-sun-sunos`echo ${UNAME_RELEASE}|sed -e 's/-/_/'` exit ;; sun3*:SunOS:*:*) echo m68k-sun-sunos${UNAME_RELEASE} exit ;; sun*:*:4.2BSD:*) UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null` test "x${UNAME_RELEASE}" = "x" && UNAME_RELEASE=3 case "`/bin/arch`" in sun3) echo m68k-sun-sunos${UNAME_RELEASE} ;; sun4) echo sparc-sun-sunos${UNAME_RELEASE} ;; esac exit ;; aushp:SunOS:*:*) echo sparc-auspex-sunos${UNAME_RELEASE} exit ;; # The situation for MiNT is a little confusing. The machine name # can be virtually everything (everything which is not # "atarist" or "atariste" at least should have a processor # > m68000). The system name ranges from "MiNT" over "FreeMiNT" # to the lowercase version "mint" (or "freemint"). Finally # the system name "TOS" denotes a system which is actually not # MiNT. But MiNT is downward compatible to TOS, so this should # be no problem. atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*) echo m68k-atari-mint${UNAME_RELEASE} exit ;; atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*) echo m68k-atari-mint${UNAME_RELEASE} exit ;; *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*) echo m68k-atari-mint${UNAME_RELEASE} exit ;; milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*) echo m68k-milan-mint${UNAME_RELEASE} exit ;; hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*) echo m68k-hades-mint${UNAME_RELEASE} exit ;; *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*) echo m68k-unknown-mint${UNAME_RELEASE} exit ;; m68k:machten:*:*) echo m68k-apple-machten${UNAME_RELEASE} exit ;; powerpc:machten:*:*) echo powerpc-apple-machten${UNAME_RELEASE} exit ;; RISC*:Mach:*:*) echo mips-dec-mach_bsd4.3 exit ;; RISC*:ULTRIX:*:*) echo mips-dec-ultrix${UNAME_RELEASE} exit ;; VAX*:ULTRIX*:*:*) echo vax-dec-ultrix${UNAME_RELEASE} exit ;; 2020:CLIX:*:* | 2430:CLIX:*:*) echo clipper-intergraph-clix${UNAME_RELEASE} exit ;; mips:*:*:UMIPS | mips:*:*:RISCos) eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #ifdef __cplusplus #include /* for printf() prototype */ int main (int argc, char *argv[]) { #else int main (argc, argv) int argc; char *argv[]; { #endif #if defined (host_mips) && defined (MIPSEB) #if defined (SYSTYPE_SYSV) printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0); #endif #if defined (SYSTYPE_SVR4) printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0); #endif #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD) printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0); #endif #endif exit (-1); } EOF $CC_FOR_BUILD -o $dummy $dummy.c && dummyarg=`echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` && SYSTEM_NAME=`$dummy $dummyarg` && { echo "$SYSTEM_NAME"; exit; } echo mips-mips-riscos${UNAME_RELEASE} exit ;; Motorola:PowerMAX_OS:*:*) echo powerpc-motorola-powermax exit ;; Motorola:*:4.3:PL8-*) echo powerpc-harris-powermax exit ;; Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*) echo powerpc-harris-powermax exit ;; Night_Hawk:Power_UNIX:*:*) echo powerpc-harris-powerunix exit ;; m88k:CX/UX:7*:*) echo m88k-harris-cxux7 exit ;; m88k:*:4*:R4*) echo m88k-motorola-sysv4 exit ;; m88k:*:3*:R3*) echo m88k-motorola-sysv3 exit ;; AViiON:dgux:*:*) # DG/UX returns AViiON for all architectures UNAME_PROCESSOR=`/usr/bin/uname -p` if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ] then if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \ [ ${TARGET_BINARY_INTERFACE}x = x ] then echo m88k-dg-dgux${UNAME_RELEASE} else echo m88k-dg-dguxbcs${UNAME_RELEASE} fi else echo i586-dg-dgux${UNAME_RELEASE} fi exit ;; M88*:DolphinOS:*:*) # DolphinOS (SVR3) echo m88k-dolphin-sysv3 exit ;; M88*:*:R3*:*) # Delta 88k system running SVR3 echo m88k-motorola-sysv3 exit ;; XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3) echo m88k-tektronix-sysv3 exit ;; Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD) echo m68k-tektronix-bsd exit ;; *:IRIX*:*:*) echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'` exit ;; ????????:AIX?:[12].1:2) # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX. echo romp-ibm-aix # uname -m gives an 8 hex-code CPU id exit ;; # Note that: echo "'`uname -s`'" gives 'AIX ' i*86:AIX:*:*) echo i386-ibm-aix exit ;; ia64:AIX:*:*) if [ -x /usr/bin/oslevel ] ; then IBM_REV=`/usr/bin/oslevel` else IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} fi echo ${UNAME_MACHINE}-ibm-aix${IBM_REV} exit ;; *:AIX:2:3) if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #include main() { if (!__power_pc()) exit(1); puts("powerpc-ibm-aix3.2.5"); exit(0); } EOF if $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` then echo "$SYSTEM_NAME" else echo rs6000-ibm-aix3.2.5 fi elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then echo rs6000-ibm-aix3.2.4 else echo rs6000-ibm-aix3.2 fi exit ;; *:AIX:*:[4567]) IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'` if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then IBM_ARCH=rs6000 else IBM_ARCH=powerpc fi if [ -x /usr/bin/oslevel ] ; then IBM_REV=`/usr/bin/oslevel` else IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} fi echo ${IBM_ARCH}-ibm-aix${IBM_REV} exit ;; *:AIX:*:*) echo rs6000-ibm-aix exit ;; ibmrt:4.4BSD:*|romp-ibm:BSD:*) echo romp-ibm-bsd4.4 exit ;; ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and echo romp-ibm-bsd${UNAME_RELEASE} # 4.3 with uname added to exit ;; # report: romp-ibm BSD 4.3 *:BOSX:*:*) echo rs6000-bull-bosx exit ;; DPX/2?00:B.O.S.:*:*) echo m68k-bull-sysv3 exit ;; 9000/[34]??:4.3bsd:1.*:*) echo m68k-hp-bsd exit ;; hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*) echo m68k-hp-bsd4.4 exit ;; 9000/[34678]??:HP-UX:*:*) HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` case "${UNAME_MACHINE}" in 9000/31? ) HP_ARCH=m68000 ;; 9000/[34]?? ) HP_ARCH=m68k ;; 9000/[678][0-9][0-9]) if [ -x /usr/bin/getconf ]; then sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` case "${sc_cpu_version}" in 523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0 528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1 532) # CPU_PA_RISC2_0 case "${sc_kernel_bits}" in 32) HP_ARCH="hppa2.0n" ;; 64) HP_ARCH="hppa2.0w" ;; '') HP_ARCH="hppa2.0" ;; # HP-UX 10.20 esac ;; esac fi if [ "${HP_ARCH}" = "" ]; then eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #define _HPUX_SOURCE #include #include int main () { #if defined(_SC_KERNEL_BITS) long bits = sysconf(_SC_KERNEL_BITS); #endif long cpu = sysconf (_SC_CPU_VERSION); switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0"); break; case CPU_PA_RISC1_1: puts ("hppa1.1"); break; case CPU_PA_RISC2_0: #if defined(_SC_KERNEL_BITS) switch (bits) { case 64: puts ("hppa2.0w"); break; case 32: puts ("hppa2.0n"); break; default: puts ("hppa2.0"); break; } break; #else /* !defined(_SC_KERNEL_BITS) */ puts ("hppa2.0"); break; #endif default: puts ("hppa1.0"); break; } exit (0); } EOF (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy` test -z "$HP_ARCH" && HP_ARCH=hppa fi ;; esac if [ ${HP_ARCH} = "hppa2.0w" ] then eval $set_cc_for_build # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler # generating 64-bit code. GNU and HP use different nomenclature: # # $ CC_FOR_BUILD=cc ./config.guess # => hppa2.0w-hp-hpux11.23 # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess # => hppa64-hp-hpux11.23 if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | grep -q __LP64__ then HP_ARCH="hppa2.0w" else HP_ARCH="hppa64" fi fi echo ${HP_ARCH}-hp-hpux${HPUX_REV} exit ;; ia64:HP-UX:*:*) HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` echo ia64-hp-hpux${HPUX_REV} exit ;; 3050*:HI-UX:*:*) eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #include int main () { long cpu = sysconf (_SC_CPU_VERSION); /* The order matters, because CPU_IS_HP_MC68K erroneously returns true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct results, however. */ if (CPU_IS_PA_RISC (cpu)) { switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; default: puts ("hppa-hitachi-hiuxwe2"); break; } } else if (CPU_IS_HP_MC68K (cpu)) puts ("m68k-hitachi-hiuxwe2"); else puts ("unknown-hitachi-hiuxwe2"); exit (0); } EOF $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` && { echo "$SYSTEM_NAME"; exit; } echo unknown-hitachi-hiuxwe2 exit ;; 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* ) echo hppa1.1-hp-bsd exit ;; 9000/8??:4.3bsd:*:*) echo hppa1.0-hp-bsd exit ;; *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) echo hppa1.0-hp-mpeix exit ;; hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* ) echo hppa1.1-hp-osf exit ;; hp8??:OSF1:*:*) echo hppa1.0-hp-osf exit ;; i*86:OSF1:*:*) if [ -x /usr/sbin/sysversion ] ; then echo ${UNAME_MACHINE}-unknown-osf1mk else echo ${UNAME_MACHINE}-unknown-osf1 fi exit ;; parisc*:Lites*:*:*) echo hppa1.1-hp-lites exit ;; C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) echo c1-convex-bsd exit ;; C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) if getsysinfo -f scalar_acc then echo c32-convex-bsd else echo c2-convex-bsd fi exit ;; C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) echo c34-convex-bsd exit ;; C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) echo c38-convex-bsd exit ;; C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) echo c4-convex-bsd exit ;; CRAY*Y-MP:*:*:*) echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*[A-Z]90:*:*:*) echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \ | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ -e 's/\.[^.]*$/.X/' exit ;; CRAY*TS:*:*:*) echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*T3E:*:*:*) echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*SV1:*:*:*) echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; *:UNICOS/mp:*:*) echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'` echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" exit ;; 5000:UNIX_System_V:4.*:*) FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'` echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" exit ;; i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE} exit ;; sparc*:BSD/OS:*:*) echo sparc-unknown-bsdi${UNAME_RELEASE} exit ;; *:BSD/OS:*:*) echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE} exit ;; *:FreeBSD:*:*) UNAME_PROCESSOR=`/usr/bin/uname -p` case ${UNAME_PROCESSOR} in amd64) echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; *) echo ${UNAME_PROCESSOR}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; esac exit ;; i*:CYGWIN*:*) echo ${UNAME_MACHINE}-pc-cygwin exit ;; *:MINGW*:*) echo ${UNAME_MACHINE}-pc-mingw32 exit ;; i*:MSYS*:*) echo ${UNAME_MACHINE}-pc-msys exit ;; i*:windows32*:*) # uname -m includes "-pc" on this system. echo ${UNAME_MACHINE}-mingw32 exit ;; i*:PW*:*) echo ${UNAME_MACHINE}-pc-pw32 exit ;; *:Interix*:*) case ${UNAME_MACHINE} in x86) echo i586-pc-interix${UNAME_RELEASE} exit ;; authenticamd | genuineintel | EM64T) echo x86_64-unknown-interix${UNAME_RELEASE} exit ;; IA64) echo ia64-unknown-interix${UNAME_RELEASE} exit ;; esac ;; [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*) echo i${UNAME_MACHINE}-pc-mks exit ;; 8664:Windows_NT:*) echo x86_64-pc-mks exit ;; i*:Windows_NT*:* | Pentium*:Windows_NT*:*) # How do we know it's Interix rather than the generic POSIX subsystem? # It also conflicts with pre-2.0 versions of AT&T UWIN. Should we # UNAME_MACHINE based on the output of uname instead of i386? echo i586-pc-interix exit ;; i*:UWIN*:*) echo ${UNAME_MACHINE}-pc-uwin exit ;; amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*) echo x86_64-unknown-cygwin exit ;; p*:CYGWIN*:*) echo powerpcle-unknown-cygwin exit ;; prep*:SunOS:5.*:*) echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` exit ;; *:GNU:*:*) # the GNU system echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-gnu`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'` exit ;; *:GNU/*:*:*) # other systems with GNU libc and userland echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr '[A-Z]' '[a-z]'``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-gnu exit ;; i*86:Minix:*:*) echo ${UNAME_MACHINE}-pc-minix exit ;; aarch64:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; aarch64_be:Linux:*:*) UNAME_MACHINE=aarch64_be echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; alpha:Linux:*:*) case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in EV5) UNAME_MACHINE=alphaev5 ;; EV56) UNAME_MACHINE=alphaev56 ;; PCA56) UNAME_MACHINE=alphapca56 ;; PCA57) UNAME_MACHINE=alphapca56 ;; EV6) UNAME_MACHINE=alphaev6 ;; EV67) UNAME_MACHINE=alphaev67 ;; EV68*) UNAME_MACHINE=alphaev68 ;; esac objdump --private-headers /bin/sh | grep -q ld.so.1 if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC} exit ;; arm*:Linux:*:*) eval $set_cc_for_build if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_EABI__ then echo ${UNAME_MACHINE}-unknown-linux-gnu else if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_PCS_VFP then echo ${UNAME_MACHINE}-unknown-linux-gnueabi else echo ${UNAME_MACHINE}-unknown-linux-gnueabihf fi fi exit ;; avr32*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; cris:Linux:*:*) echo ${UNAME_MACHINE}-axis-linux-gnu exit ;; crisv32:Linux:*:*) echo ${UNAME_MACHINE}-axis-linux-gnu exit ;; frv:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; hexagon:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; i*86:Linux:*:*) LIBC=gnu eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #ifdef __dietlibc__ LIBC=dietlibc #endif EOF eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^LIBC'` echo "${UNAME_MACHINE}-pc-linux-${LIBC}" exit ;; ia64:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; m32r*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; m68*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; mips:Linux:*:* | mips64:Linux:*:*) eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #undef CPU #undef ${UNAME_MACHINE} #undef ${UNAME_MACHINE}el #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) CPU=${UNAME_MACHINE}el #else #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) CPU=${UNAME_MACHINE} #else CPU= #endif #endif EOF eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^CPU'` test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; } ;; or32:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; padre:Linux:*:*) echo sparc-unknown-linux-gnu exit ;; parisc64:Linux:*:* | hppa64:Linux:*:*) echo hppa64-unknown-linux-gnu exit ;; parisc:Linux:*:* | hppa:Linux:*:*) # Look for CPU level case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in PA7*) echo hppa1.1-unknown-linux-gnu ;; PA8*) echo hppa2.0-unknown-linux-gnu ;; *) echo hppa-unknown-linux-gnu ;; esac exit ;; ppc64:Linux:*:*) echo powerpc64-unknown-linux-gnu exit ;; ppc:Linux:*:*) echo powerpc-unknown-linux-gnu exit ;; s390:Linux:*:* | s390x:Linux:*:*) echo ${UNAME_MACHINE}-ibm-linux exit ;; sh64*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; sh*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; sparc:Linux:*:* | sparc64:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; tile*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; vax:Linux:*:*) echo ${UNAME_MACHINE}-dec-linux-gnu exit ;; x86_64:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; xtensa*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; i*86:DYNIX/ptx:4*:*) # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there. # earlier versions are messed up and put the nodename in both # sysname and nodename. echo i386-sequent-sysv4 exit ;; i*86:UNIX_SV:4.2MP:2.*) # Unixware is an offshoot of SVR4, but it has its own version # number series starting with 2... # I am not positive that other SVR4 systems won't match this, # I just have to hope. -- rms. # Use sysv4.2uw... so that sysv4* matches it. echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION} exit ;; i*86:OS/2:*:*) # If we were able to find `uname', then EMX Unix compatibility # is probably installed. echo ${UNAME_MACHINE}-pc-os2-emx exit ;; i*86:XTS-300:*:STOP) echo ${UNAME_MACHINE}-unknown-stop exit ;; i*86:atheos:*:*) echo ${UNAME_MACHINE}-unknown-atheos exit ;; i*86:syllable:*:*) echo ${UNAME_MACHINE}-pc-syllable exit ;; i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*) echo i386-unknown-lynxos${UNAME_RELEASE} exit ;; i*86:*DOS:*:*) echo ${UNAME_MACHINE}-pc-msdosdjgpp exit ;; i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*) UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'` if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL} else echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL} fi exit ;; i*86:*:5:[678]*) # UnixWare 7.x, OpenUNIX and OpenServer 6. case `/bin/uname -X | grep "^Machine"` in *486*) UNAME_MACHINE=i486 ;; *Pentium) UNAME_MACHINE=i586 ;; *Pent*|*Celeron) UNAME_MACHINE=i686 ;; esac echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION} exit ;; i*86:*:3.2:*) if test -f /usr/options/cb.name; then UNAME_REL=`sed -n 's/.*Version //p' /dev/null >/dev/null ; then UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')` (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486 (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \ && UNAME_MACHINE=i586 (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \ && UNAME_MACHINE=i686 (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \ && UNAME_MACHINE=i686 echo ${UNAME_MACHINE}-pc-sco$UNAME_REL else echo ${UNAME_MACHINE}-pc-sysv32 fi exit ;; pc:*:*:*) # Left here for compatibility: # uname -m prints for DJGPP always 'pc', but it prints nothing about # the processor, so we play safe by assuming i586. # Note: whatever this is, it MUST be the same as what config.sub # prints for the "djgpp" host, or else GDB configury will decide that # this is a cross-build. echo i586-pc-msdosdjgpp exit ;; Intel:Mach:3*:*) echo i386-pc-mach3 exit ;; paragon:*:*:*) echo i860-intel-osf1 exit ;; i860:*:4.*:*) # i860-SVR4 if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4 else # Add other i860-SVR4 vendors below as they are discovered. echo i860-unknown-sysv${UNAME_RELEASE} # Unknown i860-SVR4 fi exit ;; mini*:CTIX:SYS*5:*) # "miniframe" echo m68010-convergent-sysv exit ;; mc68k:UNIX:SYSTEM5:3.51m) echo m68k-convergent-sysv exit ;; M680?0:D-NIX:5.3:*) echo m68k-diab-dnix exit ;; M68*:*:R3V[5678]*:*) test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;; 3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0) OS_REL='' test -r /etc/.relid \ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4.3${OS_REL}; exit; } /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*) /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4; exit; } ;; NCR*:*:4.2:* | MPRAS*:*:4.2:*) OS_REL='.3' test -r /etc/.relid \ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4.3${OS_REL}; exit; } /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } /bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*) echo m68k-unknown-lynxos${UNAME_RELEASE} exit ;; mc68030:UNIX_System_V:4.*:*) echo m68k-atari-sysv4 exit ;; TSUNAMI:LynxOS:2.*:*) echo sparc-unknown-lynxos${UNAME_RELEASE} exit ;; rs6000:LynxOS:2.*:*) echo rs6000-unknown-lynxos${UNAME_RELEASE} exit ;; PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*) echo powerpc-unknown-lynxos${UNAME_RELEASE} exit ;; SM[BE]S:UNIX_SV:*:*) echo mips-dde-sysv${UNAME_RELEASE} exit ;; RM*:ReliantUNIX-*:*:*) echo mips-sni-sysv4 exit ;; RM*:SINIX-*:*:*) echo mips-sni-sysv4 exit ;; *:SINIX-*:*:*) if uname -p 2>/dev/null >/dev/null ; then UNAME_MACHINE=`(uname -p) 2>/dev/null` echo ${UNAME_MACHINE}-sni-sysv4 else echo ns32k-sni-sysv fi exit ;; PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort # says echo i586-unisys-sysv4 exit ;; *:UNIX_System_V:4*:FTX*) # From Gerald Hewes . # How about differentiating between stratus architectures? -djm echo hppa1.1-stratus-sysv4 exit ;; *:*:*:FTX*) # From seanf@swdc.stratus.com. echo i860-stratus-sysv4 exit ;; i*86:VOS:*:*) # From Paul.Green@stratus.com. echo ${UNAME_MACHINE}-stratus-vos exit ;; *:VOS:*:*) # From Paul.Green@stratus.com. echo hppa1.1-stratus-vos exit ;; mc68*:A/UX:*:*) echo m68k-apple-aux${UNAME_RELEASE} exit ;; news*:NEWS-OS:6*:*) echo mips-sony-newsos6 exit ;; R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*) if [ -d /usr/nec ]; then echo mips-nec-sysv${UNAME_RELEASE} else echo mips-unknown-sysv${UNAME_RELEASE} fi exit ;; BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only. echo powerpc-be-beos exit ;; BeMac:BeOS:*:*) # BeOS running on Mac or Mac clone, PPC only. echo powerpc-apple-beos exit ;; BePC:BeOS:*:*) # BeOS running on Intel PC compatible. echo i586-pc-beos exit ;; BePC:Haiku:*:*) # Haiku running on Intel PC compatible. echo i586-pc-haiku exit ;; SX-4:SUPER-UX:*:*) echo sx4-nec-superux${UNAME_RELEASE} exit ;; SX-5:SUPER-UX:*:*) echo sx5-nec-superux${UNAME_RELEASE} exit ;; SX-6:SUPER-UX:*:*) echo sx6-nec-superux${UNAME_RELEASE} exit ;; SX-7:SUPER-UX:*:*) echo sx7-nec-superux${UNAME_RELEASE} exit ;; SX-8:SUPER-UX:*:*) echo sx8-nec-superux${UNAME_RELEASE} exit ;; SX-8R:SUPER-UX:*:*) echo sx8r-nec-superux${UNAME_RELEASE} exit ;; Power*:Rhapsody:*:*) echo powerpc-apple-rhapsody${UNAME_RELEASE} exit ;; *:Rhapsody:*:*) echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE} exit ;; *:Darwin:*:*) UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown case $UNAME_PROCESSOR in i386) eval $set_cc_for_build if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \ (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \ grep IS_64BIT_ARCH >/dev/null then UNAME_PROCESSOR="x86_64" fi fi ;; unknown) UNAME_PROCESSOR=powerpc ;; esac echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE} exit ;; *:procnto*:*:* | *:QNX:[0123456789]*:*) UNAME_PROCESSOR=`uname -p` if test "$UNAME_PROCESSOR" = "x86"; then UNAME_PROCESSOR=i386 UNAME_MACHINE=pc fi echo ${UNAME_PROCESSOR}-${UNAME_MACHINE}-nto-qnx${UNAME_RELEASE} exit ;; *:QNX:*:4*) echo i386-pc-qnx exit ;; NEO-?:NONSTOP_KERNEL:*:*) echo neo-tandem-nsk${UNAME_RELEASE} exit ;; NSE-?:NONSTOP_KERNEL:*:*) echo nse-tandem-nsk${UNAME_RELEASE} exit ;; NSR-?:NONSTOP_KERNEL:*:*) echo nsr-tandem-nsk${UNAME_RELEASE} exit ;; *:NonStop-UX:*:*) echo mips-compaq-nonstopux exit ;; BS2000:POSIX*:*:*) echo bs2000-siemens-sysv exit ;; DS/*:UNIX_System_V:*:*) echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE} exit ;; *:Plan9:*:*) # "uname -m" is not consistent, so use $cputype instead. 386 # is converted to i386 for consistency with other x86 # operating systems. if test "$cputype" = "386"; then UNAME_MACHINE=i386 else UNAME_MACHINE="$cputype" fi echo ${UNAME_MACHINE}-unknown-plan9 exit ;; *:TOPS-10:*:*) echo pdp10-unknown-tops10 exit ;; *:TENEX:*:*) echo pdp10-unknown-tenex exit ;; KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*) echo pdp10-dec-tops20 exit ;; XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*) echo pdp10-xkl-tops20 exit ;; *:TOPS-20:*:*) echo pdp10-unknown-tops20 exit ;; *:ITS:*:*) echo pdp10-unknown-its exit ;; SEI:*:*:SEIUX) echo mips-sei-seiux${UNAME_RELEASE} exit ;; *:DragonFly:*:*) echo ${UNAME_MACHINE}-unknown-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` exit ;; *:*VMS:*:*) UNAME_MACHINE=`(uname -p) 2>/dev/null` case "${UNAME_MACHINE}" in A*) echo alpha-dec-vms ; exit ;; I*) echo ia64-dec-vms ; exit ;; V*) echo vax-dec-vms ; exit ;; esac ;; *:XENIX:*:SysV) echo i386-pc-xenix exit ;; i*86:skyos:*:*) echo ${UNAME_MACHINE}-pc-skyos`echo ${UNAME_RELEASE}` | sed -e 's/ .*$//' exit ;; i*86:rdos:*:*) echo ${UNAME_MACHINE}-pc-rdos exit ;; i*86:AROS:*:*) echo ${UNAME_MACHINE}-pc-aros exit ;; x86_64:VMkernel:*:*) echo ${UNAME_MACHINE}-unknown-esx exit ;; esac #echo '(No uname command or uname output not recognized.)' 1>&2 #echo "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 1>&2 eval $set_cc_for_build cat >$dummy.c < # include #endif main () { #if defined (sony) #if defined (MIPSEB) /* BFD wants "bsd" instead of "newsos". Perhaps BFD should be changed, I don't know.... */ printf ("mips-sony-bsd\n"); exit (0); #else #include printf ("m68k-sony-newsos%s\n", #ifdef NEWSOS4 "4" #else "" #endif ); exit (0); #endif #endif #if defined (__arm) && defined (__acorn) && defined (__unix) printf ("arm-acorn-riscix\n"); exit (0); #endif #if defined (hp300) && !defined (hpux) printf ("m68k-hp-bsd\n"); exit (0); #endif #if defined (NeXT) #if !defined (__ARCHITECTURE__) #define __ARCHITECTURE__ "m68k" #endif int version; version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`; if (version < 4) printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version); else printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version); exit (0); #endif #if defined (MULTIMAX) || defined (n16) #if defined (UMAXV) printf ("ns32k-encore-sysv\n"); exit (0); #else #if defined (CMU) printf ("ns32k-encore-mach\n"); exit (0); #else printf ("ns32k-encore-bsd\n"); exit (0); #endif #endif #endif #if defined (__386BSD__) printf ("i386-pc-bsd\n"); exit (0); #endif #if defined (sequent) #if defined (i386) printf ("i386-sequent-dynix\n"); exit (0); #endif #if defined (ns32000) printf ("ns32k-sequent-dynix\n"); exit (0); #endif #endif #if defined (_SEQUENT_) struct utsname un; uname(&un); if (strncmp(un.version, "V2", 2) == 0) { printf ("i386-sequent-ptx2\n"); exit (0); } if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */ printf ("i386-sequent-ptx1\n"); exit (0); } printf ("i386-sequent-ptx\n"); exit (0); #endif #if defined (vax) # if !defined (ultrix) # include # if defined (BSD) # if BSD == 43 printf ("vax-dec-bsd4.3\n"); exit (0); # else # if BSD == 199006 printf ("vax-dec-bsd4.3reno\n"); exit (0); # else printf ("vax-dec-bsd\n"); exit (0); # endif # endif # else printf ("vax-dec-bsd\n"); exit (0); # endif # else printf ("vax-dec-ultrix\n"); exit (0); # endif #endif #if defined (alliant) && defined (i860) printf ("i860-alliant-bsd\n"); exit (0); #endif exit (1); } EOF $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null && SYSTEM_NAME=`$dummy` && { echo "$SYSTEM_NAME"; exit; } # Apollos put the system type in the environment. test -d /usr/apollo && { echo ${ISP}-apollo-${SYSTYPE}; exit; } # Convex versions that predate uname can use getsysinfo(1) if [ -x /usr/convex/getsysinfo ] then case `getsysinfo -f cpu_type` in c1*) echo c1-convex-bsd exit ;; c2*) if getsysinfo -f scalar_acc then echo c32-convex-bsd else echo c2-convex-bsd fi exit ;; c34*) echo c34-convex-bsd exit ;; c38*) echo c38-convex-bsd exit ;; c4*) echo c4-convex-bsd exit ;; esac fi cat >&2 < in order to provide the needed information to handle your system. config.guess timestamp = $timestamp uname -m = `(uname -m) 2>/dev/null || echo unknown` uname -r = `(uname -r) 2>/dev/null || echo unknown` uname -s = `(uname -s) 2>/dev/null || echo unknown` uname -v = `(uname -v) 2>/dev/null || echo unknown` /usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null` /bin/uname -X = `(/bin/uname -X) 2>/dev/null` hostinfo = `(hostinfo) 2>/dev/null` /bin/universe = `(/bin/universe) 2>/dev/null` /usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null` /bin/arch = `(/bin/arch) 2>/dev/null` /usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null` /usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null` UNAME_MACHINE = ${UNAME_MACHINE} UNAME_RELEASE = ${UNAME_RELEASE} UNAME_SYSTEM = ${UNAME_SYSTEM} UNAME_VERSION = ${UNAME_VERSION} EOF exit 1 # Local variables: # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "timestamp='" # time-stamp-format: "%:y-%02m-%02d" # time-stamp-end: "'" # End: libnice-0.1.4/install-sh0000755000175000017500000003325612112006556012055 00000000000000#!/bin/sh # install - install a program, script, or datafile scriptversion=2011-01-19.21; # UTC # This originates from X11R5 (mit/util/scripts/install.sh), which was # later released in X11R6 (xc/config/util/install.sh) with the # following copyright and license. # # Copyright (C) 1994 X Consortium # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to # deal in the Software without restriction, including without limitation the # rights to use, copy, modify, merge, publish, distribute, sublicense, and/or # sell copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN # AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- # TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. # # Except as contained in this notice, the name of the X Consortium shall not # be used in advertising or otherwise to promote the sale, use or other deal- # ings in this Software without prior written authorization from the X Consor- # tium. # # # FSF changes to this file are in the public domain. # # Calling this script install-sh is preferred over install.sh, to prevent # `make' implicit rules from creating a file called install from it # when there is no Makefile. # # This script is compatible with the BSD install script, but was written # from scratch. nl=' ' IFS=" "" $nl" # set DOITPROG to echo to test this script # Don't use :- since 4.3BSD and earlier shells don't like it. doit=${DOITPROG-} if test -z "$doit"; then doit_exec=exec else doit_exec=$doit fi # Put in absolute file names if you don't have them in your path; # or use environment vars. chgrpprog=${CHGRPPROG-chgrp} chmodprog=${CHMODPROG-chmod} chownprog=${CHOWNPROG-chown} cmpprog=${CMPPROG-cmp} cpprog=${CPPROG-cp} mkdirprog=${MKDIRPROG-mkdir} mvprog=${MVPROG-mv} rmprog=${RMPROG-rm} stripprog=${STRIPPROG-strip} posix_glob='?' initialize_posix_glob=' test "$posix_glob" != "?" || { if (set -f) 2>/dev/null; then posix_glob= else posix_glob=: fi } ' posix_mkdir= # Desired mode of installed file. mode=0755 chgrpcmd= chmodcmd=$chmodprog chowncmd= mvcmd=$mvprog rmcmd="$rmprog -f" stripcmd= src= dst= dir_arg= dst_arg= copy_on_change=false no_target_directory= usage="\ Usage: $0 [OPTION]... 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Create the # directory the slow way, step by step, checking for races as we go. case $dstdir in /*) prefix='/';; [-=\(\)!]*) prefix='./';; *) prefix='';; esac eval "$initialize_posix_glob" oIFS=$IFS IFS=/ $posix_glob set -f set fnord $dstdir shift $posix_glob set +f IFS=$oIFS prefixes= for d do test X"$d" = X && continue prefix=$prefix$d if test -d "$prefix"; then prefixes= else if $posix_mkdir; then (umask=$mkdir_umask && $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break # Don't fail if two instances are running concurrently. test -d "$prefix" || exit 1 else case $prefix in *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;; *) qprefix=$prefix;; esac prefixes="$prefixes '$qprefix'" fi fi prefix=$prefix/ done if test -n "$prefixes"; then # Don't fail if two instances are running concurrently. (umask $mkdir_umask && eval "\$doit_exec \$mkdirprog $prefixes") || test -d "$dstdir" || exit 1 obsolete_mkdir_used=true fi fi fi if test -n "$dir_arg"; then { test -z "$chowncmd" || $doit $chowncmd "$dst"; } && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } && { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false || test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1 else # Make a couple of temp file names in the proper directory. dsttmp=$dstdir/_inst.$$_ rmtmp=$dstdir/_rm.$$_ # Trap to clean up those temp files at exit. trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0 # Copy the file name to the temp name. (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") && # and set any options; do chmod last to preserve setuid bits. # # If any of these fail, we abort the whole thing. If we want to # ignore errors from any of these, just make sure not to ignore # errors from the above "$doit $cpprog $src $dsttmp" command. # { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } && { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } && # If -C, don't bother to copy if it wouldn't change the file. if $copy_on_change && old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` && new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` && eval "$initialize_posix_glob" && $posix_glob set -f && set X $old && old=:$2:$4:$5:$6 && set X $new && new=:$2:$4:$5:$6 && $posix_glob set +f && test "$old" = "$new" && $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1 then rm -f "$dsttmp" else # Rename the file to the real destination. $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null || # The rename failed, perhaps because mv can't rename something else # to itself, or perhaps because mv is so ancient that it does not # support -f. { # Now remove or move aside any old file at destination location. # We try this two ways since rm can't unlink itself on some # systems and the destination file might be busy for other # reasons. In this case, the final cleanup might fail but the new # file should still install successfully. { test ! -f "$dst" || $doit $rmcmd -f "$dst" 2>/dev/null || { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null && { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; } } || { echo "$0: cannot unlink or rename $dst" >&2 (exit 1); exit 1 } } && # Now rename the file to the real destination. $doit $mvcmd "$dsttmp" "$dst" } fi || exit 1 trap '' 0 fi done # Local variables: # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-time-zone: "UTC" # time-stamp-end: "; # UTC" # End: libnice-0.1.4/INSTALL0000644000175000017500000003660012112006557011077 00000000000000Installation Instructions ************************* Copyright (C) 1994-1996, 1999-2002, 2004-2011 Free Software Foundation, Inc. Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved. This file is offered as-is, without warranty of any kind. Basic Installation ================== Briefly, the shell commands `./configure; make; make install' should configure, build, and install this package. The following more-detailed instructions are generic; see the `README' file for instructions specific to this package. Some packages provide this `INSTALL' file but do not implement all of the features documented below. The lack of an optional feature in a given package is not necessarily a bug. More recommendations for GNU packages can be found in *note Makefile Conventions: (standards)Makefile Conventions. The `configure' shell script attempts to guess correct values for various system-dependent variables used during compilation. It uses those values to create a `Makefile' in each directory of the package. 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Until the bug is fixed you can use this workaround: CONFIG_SHELL=/bin/bash /bin/bash ./configure CONFIG_SHELL=/bin/bash `configure' Invocation ====================== `configure' recognizes the following options to control how it operates. `--help' `-h' Print a summary of all of the options to `configure', and exit. `--help=short' `--help=recursive' Print a summary of the options unique to this package's `configure', and exit. The `short' variant lists options used only in the top level, while the `recursive' variant lists options also present in any nested packages. `--version' `-V' Print the version of Autoconf used to generate the `configure' script, and exit. `--cache-file=FILE' Enable the cache: use and save the results of the tests in FILE, traditionally `config.cache'. FILE defaults to `/dev/null' to disable caching. `--config-cache' `-C' Alias for `--cache-file=config.cache'. `--quiet' `--silent' `-q' Do not print messages saying which checks are being made. To suppress all normal output, redirect it to `/dev/null' (any error messages will still be shown). `--srcdir=DIR' Look for the package's source code in directory DIR. Usually `configure' can determine that directory automatically. `--prefix=DIR' Use DIR as the installation prefix. *note Installation Names:: for more details, including other options available for fine-tuning the installation locations. `--no-create' `-n' Run the configure checks, but stop before creating any output files. `configure' also accepts some other, not widely useful, options. Run `configure --help' for more details. libnice-0.1.4/win32/0000775000175000017500000000000011720604042011062 500000000000000libnice-0.1.4/win32/dogenmarshal.cmd0000664000175000017500000000053011720603777014147 00000000000000..\glib\bin\glib-genmarshal.exe --header --prefix=agent_marshal ..\agent\agent-signals-marshal.list > ..\agent\agent-signals-marshal.h echo #include "agent-signals-marshal.h" > ..\agent\agent-signals-marshal.c ..\glib\bin\glib-genmarshal.exe --body --prefix=agent_marshal ..\agent\agent-signals-marshal.list >> ..\agent\agent-signals-marshal.c libnice-0.1.4/win32/vs9/0000775000175000017500000000000011726221224011606 500000000000000libnice-0.1.4/win32/vs9/libnice.vcproj0000664000175000017500000002403511726221224014364 00000000000000 libnice-0.1.4/win32/vs9/glib.vcproj0000664000175000017500000001357611720603777013717 00000000000000 libnice-0.1.4/win32/vs9/test-add-remove-stream.vcproj0000664000175000017500000001074211726221224017250 00000000000000 libnice-0.1.4/win32/vs9/config.h0000664000175000017500000001014211721520522013140 00000000000000/* config.h. Generated from config.h.in by configure. */ /* config.h.in. Generated from configure.ac by autoheader. */ /* Define to 1 if you have the header file. */ /* #undef HAVE_ARPA_INET_H */ /* Define to 1 if C supports variable-length arrays. */ #define HAVE_C_VARARRAYS 1 /* Define to 1 if you have the header file. */ /* #undef HAVE_DLFCN_H */ /* \ Whether getifaddrs() is available on the system */ /* #undef HAVE_GETIFADDRS */ /* Have the GUPnP IGD library */ /* #undef HAVE_GUPNP */ /* Define to 1 if you have the header file. */ /* #undef HAVE_IFADDRS_H */ /* Define to 1 if you have the header file. */ #define HAVE_INTTYPES_H 1 /* Define to 1 if you have the header file. */ #define HAVE_MEMORY_H 1 /* Define to 1 if you have the header file. */ /* #undef HAVE_NET_IN_H */ /* Define to 1 if you have the `poll' function. */ /* #undef HAVE_POLL */ /* Define to 1 if stdbool.h conforms to C99. */ #define HAVE_STDBOOL_H 1 /* Define to 1 if you have the header file. */ #define HAVE_STDINT_H 1 /* Define to 1 if you have the header file. */ #define HAVE_STDLIB_H 1 /* Define to 1 if you have the header file. */ #define HAVE_STRINGS_H 1 /* Define to 1 if you have the header file. */ #define HAVE_STRING_H 1 /* Define to 1 if you have the header file. */ #define HAVE_SYS_STAT_H 1 /* Define to 1 if you have the header file. */ #define HAVE_SYS_TYPES_H 1 /* Define to 1 if you have the header file. */ #define HAVE_UNISTD_H 1 /* Define to 1 if the system has the type `_Bool'. */ #define HAVE__BOOL 1 /* Define to the sub-directory in which libtool stores uninstalled libraries. */ #define LT_OBJDIR ".libs/" /* Define to 1 if assertions should be disabled. */ /* #undef NDEBUG */ /* Public library function implementation */ #define NICEAPI_EXPORT /* Name of package */ #define PACKAGE "libnice" /* Define to the address where bug reports for this package should be sent. */ #define PACKAGE_BUGREPORT "" /* Define to the full name of this package. */ #define PACKAGE_NAME "libnice" /* Define to the full name and version of this package. */ #define PACKAGE_STRING "libnice 0.1.1.1" /* Define to the one symbol short name of this package. */ #define PACKAGE_TARNAME "libnice" /* Define to the home page for this package. */ #define PACKAGE_URL "" /* Define to the version of this package. */ #define PACKAGE_VERSION "0.1.1.1" /* Define to 1 if you have the ANSI C header files. */ #define STDC_HEADERS 1 /* Enable extensions on AIX 3, Interix. */ #ifndef _ALL_SOURCE # define _ALL_SOURCE 1 #endif /* Enable GNU extensions on systems that have them. */ #ifndef _GNU_SOURCE # define _GNU_SOURCE 1 #endif /* Enable threading extensions on Solaris. */ #ifndef _POSIX_PTHREAD_SEMANTICS # define _POSIX_PTHREAD_SEMANTICS 1 #endif /* Enable extensions on HP NonStop. */ #ifndef _TANDEM_SOURCE # define _TANDEM_SOURCE 1 #endif /* Enable general extensions on Solaris. */ #ifndef __EXTENSIONS__ # define __EXTENSIONS__ 1 #endif /* Version number of package */ #define VERSION "0.1.1.1" /* Define to `2' to get GNU/libc warnings. */ #define _FORTIFY_SOURCE 2 /* Define to 1 if on MINIX. */ /* #undef _MINIX */ /* Define to 2 if the system does not provide POSIX.1 features except with this defined. */ /* #undef _POSIX_1_SOURCE */ /* Define to 1 if you need to in order for `stat' and other things to work. */ /* #undef _POSIX_SOURCE */ /* Define to the equivalent of the C99 'restrict' keyword, or to nothing if this is not supported. Do not define if restrict is supported directly. */ /*#define restrict __restrict*/ /* Work around a bug in Sun C++: it does not support _Restrict or __restrict__, even though the corresponding Sun C compiler ends up with "#define restrict _Restrict" or "#define restrict __restrict__" in the previous line. Perhaps some future version of Sun C++ will work with restrict; if so, hopefully it defines __RESTRICT like Sun C does. */ #if defined __SUNPRO_CC && !defined __RESTRICT # define _Restrict # define __restrict__ #endif libnice-0.1.4/win32/vs9/test-bind.vcproj0000664000175000017500000001040411726221224014643 00000000000000 libnice-0.1.4/win32/vs9/test-fullmode.vcproj0000664000175000017500000001102511726221224015536 00000000000000 libnice-0.1.4/win32/vs9/test-pseudotcp.vcproj0000664000175000017500000001103011726221224015731 00000000000000 libnice-0.1.4/win32/vs9/test-address.vcproj0000664000175000017500000001070611726221224015361 00000000000000 libnice-0.1.4/win32/vs9/test-dribble.vcproj0000664000175000017500000001070611726221224015337 00000000000000 libnice-0.1.4/win32/vs9/test-restart.vcproj0000664000175000017500000001076611726221224015426 00000000000000 libnice-0.1.4/win32/vs9/test-thread.vcproj0000664000175000017500000001076311726221224015206 00000000000000 libnice-0.1.4/win32/vs9/libnice.def0000664000175000017500000000556311726221224013624 00000000000000LIBRARY libnice EXPORTS nice_address_copy_to_sockaddr nice_address_dup nice_address_equal nice_address_free nice_address_get_port nice_address_init nice_address_is_private nice_address_is_valid nice_address_new nice_address_set_from_sockaddr nice_address_set_from_string nice_address_set_ipv4 nice_address_set_ipv6 nice_address_set_port nice_address_to_string nice_agent_add_local_address nice_agent_add_stream nice_agent_attach_recv nice_agent_gather_candidates nice_agent_get_local_candidates nice_agent_get_local_credentials nice_agent_get_remote_candidates nice_agent_get_type nice_agent_new nice_agent_new_reliable nice_agent_remove_stream nice_agent_restart nice_agent_send nice_agent_set_port_range nice_agent_set_relay_info nice_agent_set_remote_candidates nice_agent_set_remote_credentials nice_agent_set_selected_pair nice_agent_set_selected_remote_candidate nice_agent_set_software nice_agent_set_stream_tos nice_candidate_copy nice_candidate_free nice_candidate_new nice_debug_disable nice_debug_enable nice_interfaces_get_ip_for_interface nice_interfaces_get_local_interfaces nice_interfaces_get_local_ips pseudo_tcp_set_debug_level pseudo_tcp_socket_close pseudo_tcp_socket_connect pseudo_tcp_socket_get_error pseudo_tcp_socket_get_next_clock pseudo_tcp_socket_new pseudo_tcp_socket_notify_clock pseudo_tcp_socket_notify_mtu pseudo_tcp_socket_notify_packet pseudo_tcp_socket_recv pseudo_tcp_socket_send stun_agent_build_unknown_attributes_error stun_agent_default_validater stun_agent_finish_message stun_agent_forget_transaction stun_agent_init stun_agent_init_error stun_agent_init_indication stun_agent_init_request stun_agent_init_response stun_agent_set_software stun_agent_validate stun_debug_disable stun_debug_enable stun_debug stun_debug_bytes stun_hash_creds stun_message_append stun_message_append32 stun_message_append64 stun_message_append_addr stun_message_append_bytes stun_message_append_error stun_message_append_flag stun_message_append_string stun_message_append_xor_addr stun_message_append_xor_addr_full stun_message_find stun_message_find32 stun_message_find64 stun_message_find_addr stun_message_find_error stun_message_find_flag stun_message_find_string stun_message_find_xor_addr stun_message_find_xor_addr_full stun_message_get_class stun_message_get_method stun_message_has_attribute stun_message_has_cookie stun_message_id stun_message_init stun_message_length stun_message_validate_buffer_length stun_optional stun_strerror stun_timer_refresh stun_timer_remainder stun_timer_start stun_timer_start_reliable stun_usage_bind_create stun_usage_bind_keepalive stun_usage_bind_process stun_usage_bind_run stun_usage_ice_conncheck_create stun_usage_ice_conncheck_create_reply stun_usage_ice_conncheck_priority stun_usage_ice_conncheck_process stun_usage_ice_conncheck_use_candidate stun_usage_turn_create stun_usage_turn_create_refresh stun_usage_turn_process stun_usage_turn_refresh_process libnice-0.1.4/win32/vs9/test-parse.vcproj0000664000175000017500000001040711726221224015044 00000000000000 libnice-0.1.4/win32/vs9/libnice.sln0000664000175000017500000002231711726221224013656 00000000000000 Microsoft Visual Studio Solution File, Format Version 10.00 # Visual Studio 2008 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "libnice", "libnice.vcproj", "{550C7FB8-DBFE-4364-B26A-DAF7158CD878}" EndProject Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "test", "test.vcproj", "{3B5FCB79-8AAA-4388-926B-3AD3F8BBB5D8}" ProjectSection(ProjectDependencies) = postProject {550C7FB8-DBFE-4364-B26A-DAF7158CD878} = {550C7FB8-DBFE-4364-B26A-DAF7158CD878} EndProjectSection EndProject Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "test-dribble", "test-dribble.vcproj", "{4E64F83D-4AE9-468A-867A-CB42A8B89150}" ProjectSection(ProjectDependencies) = postProject {550C7FB8-DBFE-4364-B26A-DAF7158CD878} = {550C7FB8-DBFE-4364-B26A-DAF7158CD878} EndProjectSection EndProject Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "test-fullmode", "test-fullmode.vcproj", "{60EC66A2-FE1F-413E-8FEE-204386D62617}" ProjectSection(ProjectDependencies) = postProject {550C7FB8-DBFE-4364-B26A-DAF7158CD878} = {550C7FB8-DBFE-4364-B26A-DAF7158CD878} EndProjectSection EndProject Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "glib", "glib.vcproj", "{DD34FAC7-C1A2-4F29-8C96-3F053B47D714}" EndProject Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "test-pseudotcp", "test-pseudotcp.vcproj", "{619723EB-D355-46DC-AF8F-0A04F44AC581}" ProjectSection(ProjectDependencies) = postProject {550C7FB8-DBFE-4364-B26A-DAF7158CD878} = {550C7FB8-DBFE-4364-B26A-DAF7158CD878} EndProjectSection EndProject Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "dependencies", "dependencies", "{D3264B88-D38F-41E4-A2CB-C53644913D75}" EndProject Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "tests", "tests", "{46508783-E794-4688-B045-DE02A626B078}" EndProject Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "test-parse", "test-parse.vcproj", "{6E766AF4-4FFD-40AE-B425-54E4874E3AE4}" ProjectSection(ProjectDependencies) = postProject {550C7FB8-DBFE-4364-B26A-DAF7158CD878} = {550C7FB8-DBFE-4364-B26A-DAF7158CD878} EndProjectSection EndProject Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "test-bind", "test-bind.vcproj", "{07645BAF-F78D-413C-B257-E348B2CEA18A}" ProjectSection(ProjectDependencies) = postProject {550C7FB8-DBFE-4364-B26A-DAF7158CD878} = {550C7FB8-DBFE-4364-B26A-DAF7158CD878} EndProjectSection EndProject Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "test-restart", "test-restart.vcproj", "{A503EF24-EB17-44FA-ABB1-42DCF361F4EA}" ProjectSection(ProjectDependencies) = postProject {550C7FB8-DBFE-4364-B26A-DAF7158CD878} = {550C7FB8-DBFE-4364-B26A-DAF7158CD878} EndProjectSection EndProject Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "test-fallback", "test-fallback.vcproj", "{751C43C2-5987-4C4E-AD74-2737814890F0}" ProjectSection(ProjectDependencies) = postProject {550C7FB8-DBFE-4364-B26A-DAF7158CD878} = {550C7FB8-DBFE-4364-B26A-DAF7158CD878} EndProjectSection EndProject Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "test-address", "test-address.vcproj", "{3E9D5FA3-F7C5-474E-8797-DFA3E6B2E436}" ProjectSection(ProjectDependencies) = postProject {550C7FB8-DBFE-4364-B26A-DAF7158CD878} = {550C7FB8-DBFE-4364-B26A-DAF7158CD878} EndProjectSection EndProject Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "test-add-remove-stream", "test-add-remove-stream.vcproj", "{065B91A4-2024-486F-A338-53C31FFC9580}" ProjectSection(ProjectDependencies) = postProject {550C7FB8-DBFE-4364-B26A-DAF7158CD878} = {550C7FB8-DBFE-4364-B26A-DAF7158CD878} EndProjectSection EndProject Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "test-thread", "test-thread.vcproj", "{BA3039AD-5FD0-4A8F-A500-22FFBDB2088E}" ProjectSection(ProjectDependencies) = postProject {550C7FB8-DBFE-4364-B26A-DAF7158CD878} = {550C7FB8-DBFE-4364-B26A-DAF7158CD878} EndProjectSection EndProject Global GlobalSection(SolutionConfigurationPlatforms) = preSolution Debug|Win32 = Debug|Win32 Release|Win32 = Release|Win32 EndGlobalSection GlobalSection(ProjectConfigurationPlatforms) = postSolution {550C7FB8-DBFE-4364-B26A-DAF7158CD878}.Debug|Win32.ActiveCfg = Debug|Win32 {550C7FB8-DBFE-4364-B26A-DAF7158CD878}.Debug|Win32.Build.0 = Debug|Win32 {550C7FB8-DBFE-4364-B26A-DAF7158CD878}.Release|Win32.ActiveCfg = Release|Win32 {550C7FB8-DBFE-4364-B26A-DAF7158CD878}.Release|Win32.Build.0 = Release|Win32 {3B5FCB79-8AAA-4388-926B-3AD3F8BBB5D8}.Debug|Win32.ActiveCfg = Debug|Win32 {3B5FCB79-8AAA-4388-926B-3AD3F8BBB5D8}.Debug|Win32.Build.0 = Debug|Win32 {3B5FCB79-8AAA-4388-926B-3AD3F8BBB5D8}.Release|Win32.ActiveCfg = Release|Win32 {3B5FCB79-8AAA-4388-926B-3AD3F8BBB5D8}.Release|Win32.Build.0 = Release|Win32 {4E64F83D-4AE9-468A-867A-CB42A8B89150}.Debug|Win32.ActiveCfg = Debug|Win32 {4E64F83D-4AE9-468A-867A-CB42A8B89150}.Debug|Win32.Build.0 = Debug|Win32 {4E64F83D-4AE9-468A-867A-CB42A8B89150}.Release|Win32.ActiveCfg = Release|Win32 {4E64F83D-4AE9-468A-867A-CB42A8B89150}.Release|Win32.Build.0 = Release|Win32 {60EC66A2-FE1F-413E-8FEE-204386D62617}.Debug|Win32.ActiveCfg = Debug|Win32 {60EC66A2-FE1F-413E-8FEE-204386D62617}.Debug|Win32.Build.0 = Debug|Win32 {60EC66A2-FE1F-413E-8FEE-204386D62617}.Release|Win32.ActiveCfg = Release|Win32 {60EC66A2-FE1F-413E-8FEE-204386D62617}.Release|Win32.Build.0 = Release|Win32 {DD34FAC7-C1A2-4F29-8C96-3F053B47D714}.Debug|Win32.ActiveCfg = Debug|Win32 {DD34FAC7-C1A2-4F29-8C96-3F053B47D714}.Debug|Win32.Build.0 = Debug|Win32 {DD34FAC7-C1A2-4F29-8C96-3F053B47D714}.Release|Win32.ActiveCfg = Release|Win32 {DD34FAC7-C1A2-4F29-8C96-3F053B47D714}.Release|Win32.Build.0 = Release|Win32 {619723EB-D355-46DC-AF8F-0A04F44AC581}.Debug|Win32.ActiveCfg = Debug|Win32 {619723EB-D355-46DC-AF8F-0A04F44AC581}.Debug|Win32.Build.0 = Debug|Win32 {619723EB-D355-46DC-AF8F-0A04F44AC581}.Release|Win32.ActiveCfg = Release|Win32 {619723EB-D355-46DC-AF8F-0A04F44AC581}.Release|Win32.Build.0 = Release|Win32 {6E766AF4-4FFD-40AE-B425-54E4874E3AE4}.Debug|Win32.ActiveCfg = Debug|Win32 {6E766AF4-4FFD-40AE-B425-54E4874E3AE4}.Debug|Win32.Build.0 = Debug|Win32 {6E766AF4-4FFD-40AE-B425-54E4874E3AE4}.Release|Win32.ActiveCfg = Release|Win32 {6E766AF4-4FFD-40AE-B425-54E4874E3AE4}.Release|Win32.Build.0 = Release|Win32 {07645BAF-F78D-413C-B257-E348B2CEA18A}.Debug|Win32.ActiveCfg = Debug|Win32 {07645BAF-F78D-413C-B257-E348B2CEA18A}.Debug|Win32.Build.0 = Debug|Win32 {07645BAF-F78D-413C-B257-E348B2CEA18A}.Release|Win32.ActiveCfg = Release|Win32 {07645BAF-F78D-413C-B257-E348B2CEA18A}.Release|Win32.Build.0 = Release|Win32 {A503EF24-EB17-44FA-ABB1-42DCF361F4EA}.Debug|Win32.ActiveCfg = Debug|Win32 {A503EF24-EB17-44FA-ABB1-42DCF361F4EA}.Debug|Win32.Build.0 = Debug|Win32 {A503EF24-EB17-44FA-ABB1-42DCF361F4EA}.Release|Win32.ActiveCfg = Release|Win32 {A503EF24-EB17-44FA-ABB1-42DCF361F4EA}.Release|Win32.Build.0 = Release|Win32 {751C43C2-5987-4C4E-AD74-2737814890F0}.Debug|Win32.ActiveCfg = Debug|Win32 {751C43C2-5987-4C4E-AD74-2737814890F0}.Debug|Win32.Build.0 = Debug|Win32 {751C43C2-5987-4C4E-AD74-2737814890F0}.Release|Win32.ActiveCfg = Release|Win32 {751C43C2-5987-4C4E-AD74-2737814890F0}.Release|Win32.Build.0 = Release|Win32 {3E9D5FA3-F7C5-474E-8797-DFA3E6B2E436}.Debug|Win32.ActiveCfg = Debug|Win32 {3E9D5FA3-F7C5-474E-8797-DFA3E6B2E436}.Debug|Win32.Build.0 = Debug|Win32 {3E9D5FA3-F7C5-474E-8797-DFA3E6B2E436}.Release|Win32.ActiveCfg = Release|Win32 {3E9D5FA3-F7C5-474E-8797-DFA3E6B2E436}.Release|Win32.Build.0 = Release|Win32 {065B91A4-2024-486F-A338-53C31FFC9580}.Debug|Win32.ActiveCfg = Debug|Win32 {065B91A4-2024-486F-A338-53C31FFC9580}.Debug|Win32.Build.0 = Debug|Win32 {065B91A4-2024-486F-A338-53C31FFC9580}.Release|Win32.ActiveCfg = Release|Win32 {065B91A4-2024-486F-A338-53C31FFC9580}.Release|Win32.Build.0 = Release|Win32 {BA3039AD-5FD0-4A8F-A500-22FFBDB2088E}.Debug|Win32.ActiveCfg = Debug|Win32 {BA3039AD-5FD0-4A8F-A500-22FFBDB2088E}.Debug|Win32.Build.0 = Debug|Win32 {BA3039AD-5FD0-4A8F-A500-22FFBDB2088E}.Release|Win32.ActiveCfg = Release|Win32 {BA3039AD-5FD0-4A8F-A500-22FFBDB2088E}.Release|Win32.Build.0 = Release|Win32 EndGlobalSection GlobalSection(SolutionProperties) = preSolution HideSolutionNode = FALSE EndGlobalSection GlobalSection(NestedProjects) = preSolution {4E64F83D-4AE9-468A-867A-CB42A8B89150} = {46508783-E794-4688-B045-DE02A626B078} {60EC66A2-FE1F-413E-8FEE-204386D62617} = {46508783-E794-4688-B045-DE02A626B078} {619723EB-D355-46DC-AF8F-0A04F44AC581} = {46508783-E794-4688-B045-DE02A626B078} {3B5FCB79-8AAA-4388-926B-3AD3F8BBB5D8} = {46508783-E794-4688-B045-DE02A626B078} {6E766AF4-4FFD-40AE-B425-54E4874E3AE4} = {46508783-E794-4688-B045-DE02A626B078} {07645BAF-F78D-413C-B257-E348B2CEA18A} = {46508783-E794-4688-B045-DE02A626B078} {A503EF24-EB17-44FA-ABB1-42DCF361F4EA} = {46508783-E794-4688-B045-DE02A626B078} {751C43C2-5987-4C4E-AD74-2737814890F0} = {46508783-E794-4688-B045-DE02A626B078} {3E9D5FA3-F7C5-474E-8797-DFA3E6B2E436} = {46508783-E794-4688-B045-DE02A626B078} {065B91A4-2024-486F-A338-53C31FFC9580} = {46508783-E794-4688-B045-DE02A626B078} {BA3039AD-5FD0-4A8F-A500-22FFBDB2088E} = {46508783-E794-4688-B045-DE02A626B078} {DD34FAC7-C1A2-4F29-8C96-3F053B47D714} = {D3264B88-D38F-41E4-A2CB-C53644913D75} EndGlobalSection EndGlobal libnice-0.1.4/win32/vs9/test.vcproj0000664000175000017500000001077311726221224013742 00000000000000 libnice-0.1.4/win32/vs9/test-fallback.vcproj0000664000175000017500000001077111726221224015475 00000000000000 libnice-0.1.4/autogen.sh0000755000175000017500000000046011241364464012050 00000000000000#!/bin/sh set -e test -d m4 || mkdir m4 gtkdocize || exit 1 autoreconf -fi run_configure=true for arg in $*; do case $arg in --no-configure) run_configure=false ;; *) ;; esac done if test $run_configure = true; then ./configure "$@" fi 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do \ mv -fv $$d/*.gc* $$d/.. 2>/dev/null || true ; \ done $(MAKE) lcov-report lcov-report: mkdir -p lcov lcov -d . -c > lcov/lcov.info lcov -l lcov/lcov.info 2>/dev/null | \ egrep '(^/usr|/test.*\.c)' | \ cut -d: -f1 > lcov/lcov.remove lcov -r lcov/lcov.info `cat lcov/lcov.remove` 2>/dev/null > lcov/lcov.info.clean genhtml -o lcov lcov/lcov.info.clean clean-local: rm -rf doc .PHONY: doc lcov-report lcov # Tell versions [3.59,3.63) of GNU make to not export all variables. # Otherwise a system limit (for SysV at least) may be exceeded. .NOEXPORT: libnice-0.1.4/README0000664000175000017500000000275712112003722010725 00000000000000 Nice: GLib ICE library ====================== Copyright --------- (C) 2006-2011 Collabora Ltd. (C) 2006-2011 Nokia Corporation License ------- See the file COPYING. Requirements ------------ glib >= 2.10 pkg-config gupnp-igd >= 0.1.2 (optional) gstreamer-0.10 >= 0.10.0 (optional) Build instructions ------------------ To build on Linux and Mac, you only need to type the usual commands : ./configure && make && sudo make install Please refer to the INSTALL file for more details. If you are building from git, you must first run the ./autogen.sh script to generate the configure file for you. To build on Windows, please refer to the README.win32 file for build instructions using Microsoft Visual Studio. Structure --------- agent/ - ICE agent docs/ - Design and API documentation gst/ - Gstreamer elements nice/ - libnice library random/ - random number generation socket/ - Socket abstraction layer stun/ - STUN implementation tests/ - Unit tests Relevant standards ------------------ These standards are relevant to nice's current implementation. ICE draft 15 http://tools.ietf.org/html/rfc5245 STUN http://tools.ietf.org/html/rfc3489 http://tools.ietf.org/html/rfc5389 TURN http://tools.ietf.org/html/rfc5766 RTP http://tools.ietf.org/html/rfc3550 XMPP Jingle ICE transport http://www.xmpp.org/extensions/xep-0176.html In future, nice may additionally support the following standards. NAT-PMP http://files.dns-sd.org/draft-cheshire-nat-pmp.txt libnice-0.1.4/config.h.in0000664000175000017500000000763712112006556012102 00000000000000/* config.h.in. Generated from configure.ac by autoheader. */ /* Define to 1 if you have the header file. */ #undef HAVE_ARPA_INET_H /* Define to 1 if C supports variable-length arrays. */ #undef HAVE_C_VARARRAYS /* Define to 1 if you have the header file. */ #undef HAVE_DLFCN_H /* Whether getifaddrs() is available on the system */ #undef HAVE_GETIFADDRS /* Have the GUPnP IGD library */ #undef HAVE_GUPNP /* Define to 1 if you have the header file. */ #undef HAVE_IFADDRS_H /* Define to 1 if you have the header file. */ #undef HAVE_INTTYPES_H /* Define to 1 if you have the header file. */ #undef HAVE_MEMORY_H /* Define to 1 if you have the header file. */ #undef HAVE_NET_IN_H /* Define to 1 if you have the `poll' function. */ #undef HAVE_POLL /* Define to 1 if stdbool.h conforms to C99. */ #undef HAVE_STDBOOL_H /* Define to 1 if you have the header file. */ #undef HAVE_STDINT_H /* Define to 1 if you have the header file. */ #undef HAVE_STDLIB_H /* Define to 1 if you have the header file. */ #undef HAVE_STRINGS_H /* Define to 1 if you have the header file. */ #undef HAVE_STRING_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_STAT_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_TYPES_H /* Define to 1 if you have the header file. */ #undef HAVE_UNISTD_H /* Define to 1 if the system has the type `_Bool'. */ #undef HAVE__BOOL /* Define to the sub-directory in which libtool stores uninstalled libraries. */ #undef LT_OBJDIR /* Define to 1 if assertions should be disabled. */ #undef NDEBUG /* Public library function implementation */ #undef NICEAPI_EXPORT /* Name of package */ #undef PACKAGE /* Define to the address where bug reports for this package should be sent. */ #undef PACKAGE_BUGREPORT /* Define to the full name of this package. */ #undef PACKAGE_NAME /* Define to the full name and version of this package. */ #undef PACKAGE_STRING /* Define to the one symbol short name of this package. */ #undef PACKAGE_TARNAME /* Define to the home page for this package. */ #undef PACKAGE_URL /* Define to the version of this package. */ #undef PACKAGE_VERSION /* Define to 1 if you have the ANSI C header files. */ #undef STDC_HEADERS /* Enable extensions on AIX 3, Interix. */ #ifndef _ALL_SOURCE # undef _ALL_SOURCE #endif /* Enable GNU extensions on systems that have them. */ #ifndef _GNU_SOURCE # undef _GNU_SOURCE #endif /* Enable threading extensions on Solaris. */ #ifndef _POSIX_PTHREAD_SEMANTICS # undef _POSIX_PTHREAD_SEMANTICS #endif /* Enable extensions on HP NonStop. */ #ifndef _TANDEM_SOURCE # undef _TANDEM_SOURCE #endif /* Enable general extensions on Solaris. */ #ifndef __EXTENSIONS__ # undef __EXTENSIONS__ #endif /* Version number of package */ #undef VERSION /* Define to `2' to get GNU/libc warnings. */ /* Only define if -O1 or more is enabled */ #if defined __OPTIMIZE__ && __OPTIMIZE__ > 0 # define _FORTIFY_SOURCE 2 #endif /* Define to 1 if on MINIX. */ #undef _MINIX /* Define to 2 if the system does not provide POSIX.1 features except with this defined. */ #undef _POSIX_1_SOURCE /* Define to 1 if you need to in order for `stat' and other things to work. */ #undef _POSIX_SOURCE /* Define to the equivalent of the C99 'restrict' keyword, or to nothing if this is not supported. Do not define if restrict is supported directly. */ #undef restrict /* Work around a bug in Sun C++: it does not support _Restrict or __restrict__, even though the corresponding Sun C compiler ends up with "#define restrict _Restrict" or "#define restrict __restrict__" in the previous line. Perhaps some future version of Sun C++ will work with restrict; if so, hopefully it defines __RESTRICT like Sun C does. */ #if defined __SUNPRO_CC && !defined __RESTRICT # define _Restrict # define __restrict__ #endif libnice-0.1.4/random/0000775000175000017500000000000012112010566011376 500000000000000libnice-0.1.4/random/random.h0000664000175000017500000000444711522161146012765 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2006-2007 Collabora Ltd. * Contact: Dafydd Harries * (C) 2006-2007 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Dafydd Harries, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef _RANDOM_H #define _RANDOM_H #include G_BEGIN_DECLS typedef struct _NiceRNG NiceRNG; struct _NiceRNG { void (*seed) (NiceRNG *src, guint32 seed); void (*generate_bytes) (NiceRNG *src, guint len, gchar *buf); guint (*generate_int) (NiceRNG *src, guint low, guint high); void (*free) (NiceRNG *src); gpointer priv; }; NiceRNG * nice_rng_new (void); void nice_rng_set_new_func (NiceRNG * (*func) (void)); void nice_rng_seed (NiceRNG *rng, guint32 seed); void nice_rng_generate_bytes (NiceRNG *rng, guint len, gchar *buf); void nice_rng_generate_bytes_print (NiceRNG *rng, guint len, gchar *buf); guint nice_rng_generate_int (NiceRNG *rng, guint low, guint high); void nice_rng_free (NiceRNG *rng); G_END_DECLS #endif // _RANDOM_H libnice-0.1.4/random/Makefile.in0000664000175000017500000005125412112006557013377 00000000000000# Makefile.in generated by automake 1.11.6 from Makefile.am. # @configure_input@ # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, # 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software # Foundation, Inc. # This Makefile.in is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; without # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. @SET_MAKE@ # # Makefile.am for the Nice Glib ICE library # # (C) 2006, 2007 Collabora Ltd. # (C) 2006, 2007 Nokia Corporation. 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All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Dafydd Harries, Collabora Ltd. * Kai Vehmanen, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include "random-glib.h" int main (void) { NiceRNG *rng; const int rngsize = 256; gchar buf[rngsize]; buf[rngsize - 1] = '\0'; nice_rng_set_new_func (nice_rng_glib_new_predictable); rng = nice_rng_new (); nice_rng_generate_bytes_print (rng, rngsize - 1, buf); /* g_debug ("%s", buf); */ g_assert (0 == strcmp (buf, "sv1AD7DnJTVykXGYYM6BmnXuYRlZNIJUzQzF+PvASjYxzdTTOngBJ5/gfK0Xj+Ly3ciAAk1Fmo0RPEpq6f4BBnp5jm3LuSbAOj1M5qULEGEv/0DMk0oOPUj6XPN1VwxFpjAfFeAxykiwdDiqNwnVJ/AKyr6/X7C5i+je7DSujURybOp6BkKWroLCzQg2AmTuqz48oNeY9CDeirNwoITfIaC40Ds9OgEDtL8WN5tL4QYdVuZQ85219Thogk775GV")); nice_rng_generate_bytes (rng, 4, buf); buf[4] = 0; g_assert (0 == strcmp (buf, "\x1f\x0d\x47\xb8")); nice_rng_free (rng); return 0; } libnice-0.1.4/random/random-glib.h0000664000175000017500000000341611522161146013673 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2006-2007 Collabora Ltd. * Contact: Dafydd Harries * (C) 2006-2007 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Dafydd Harries, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef _RANDOM_GLIB_H #define _RANDOM_GLIB_H #include #include "random.h" G_BEGIN_DECLS NiceRNG * nice_rng_glib_new (void); NiceRNG * nice_rng_glib_new_predictable (void); G_END_DECLS #endif /* _RANDOM_GLIB_H */ libnice-0.1.4/random/random.c0000664000175000017500000000657011522161146012757 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2006-2008 Collabora Ltd. * Contact: Dafydd Harries * (C) 2006-2008 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Dafydd Harries, Collabora Ltd. * Youness Alaoui, Collabora Ltd. * Kai Vehmanen, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include "random.h" #include "random-glib.h" static NiceRNG * (*nice_rng_new_func) (void) = NULL; /* * Creates a new random number generator instance. */ NiceRNG * nice_rng_new (void) { if (nice_rng_new_func == NULL) return nice_rng_glib_new (); else return nice_rng_new_func (); } /* * Sets a new generator function. */ void nice_rng_set_new_func (NiceRNG * (*func) (void)) { nice_rng_new_func = func; } /* * Frees the random number generator instance. * * @param rng context */ void nice_rng_free (NiceRNG *rng) { rng->free (rng); } /* * Generates random octets. * * @param rng context * @param len number of octets to product * @param buf buffer to store the results */ void nice_rng_generate_bytes (NiceRNG *rng, guint len, gchar *buf) { rng->generate_bytes (rng, len, buf); } /* * Generates a random unsigned integer. * * @param rng context * @param low closed lower bound * @param high open upper bound */ guint nice_rng_generate_int (NiceRNG *rng, guint low, guint high) { return rng->generate_int (rng, low, high); } /* * Generates a stream of octets containing only characters * with ASCII codecs of 0x41-5A (A-Z), 0x61-7A (a-z), * 0x30-39 (0-9), 0x2b (+) and 0x2f (/). This matches * the definition of 'ice-char' in ICE Ispecification, * section 15.1 (ID-16). * * @param rng context * @param len number of octets to product * @param buf buffer to store the results */ void nice_rng_generate_bytes_print (NiceRNG *rng, guint len, gchar *buf) { guint i; const gchar *chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" "abcdefghijklmnopqrstuvwxyz" "0123456789" "+/"; for (i = 0; i < len; i++) buf[i] = chars[nice_rng_generate_int (rng, 0, strlen (chars))]; } libnice-0.1.4/random/Makefile.am0000664000175000017500000000075411632012001013350 00000000000000# # Makefile.am for the Nice Glib ICE library # # (C) 2006, 2007 Collabora Ltd. # (C) 2006, 2007 Nokia Corporation. All rights reserved. # # Licensed under MPL 1.1/LGPL 2.1. See file COPYING. include $(top_srcdir)/common.mk AM_CFLAGS = $(ERROR_CFLAGS) $(GLIB_CFLAGS) noinst_LTLIBRARIES = libnice-random.la libnice_random_la_SOURCES = \ random.h \ random.c \ random-glib.h \ random-glib.c check_PROGRAMS = test test_LDADD = libnice-random.la $(GLIB_LIBS) TESTS = $(check_PROGRAMS) libnice-0.1.4/random/random-glib.c0000664000175000017500000000506411522161146013667 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2006-2008 Collabora Ltd. * Contact: Dafydd Harries * (C) 2006-2008 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Dafydd Harries, Collabora Ltd. * Youness Alaoui, Collabora Ltd. * Kai Vehmanen, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include "random-glib.h" static void rng_seed ( G_GNUC_UNUSED NiceRNG *rng, guint32 seed) { (void)rng; g_random_set_seed (seed); } static void rng_generate_bytes ( G_GNUC_UNUSED NiceRNG *rng, guint len, gchar *buf) { guint i; (void)rng; for (i = 0; i < len; i++) buf[i] = g_random_int_range (0, 256); } static guint rng_generate_int ( G_GNUC_UNUSED NiceRNG *rng, guint low, guint high) { (void)rng; return g_random_int_range (low, high); } static void rng_free (NiceRNG *rng) { g_slice_free (NiceRNG, rng); } NiceRNG * nice_rng_glib_new (void) { NiceRNG *ret; ret = g_slice_new0 (NiceRNG); ret->seed = rng_seed; ret->generate_bytes = rng_generate_bytes; ret->generate_int = rng_generate_int; ret->free = rng_free; return ret; } NiceRNG * nice_rng_glib_new_predictable (void) { NiceRNG *rng; rng = nice_rng_glib_new (); rng->seed (rng, 0); return rng; } libnice-0.1.4/configure.ac0000664000175000017500000001244712112005377012340 00000000000000 AC_PREREQ(2.59c) dnl releases only do -Wall, cvs and prerelease does -Werror too dnl use a three digit version number for releases, and four for cvs/prerelease AC_INIT(libnice, 0.1.4) LIBNICE_RELEASE="yes" AC_CANONICAL_SYSTEM AC_CONFIG_SRCDIR([agent/agent.c]) AC_CONFIG_HEADER([config.h]) AM_INIT_AUTOMAKE([-Wall]) AC_CONFIG_FILES([ Makefile agent/Makefile stun/Makefile stun/tests/Makefile stun/tools/Makefile socket/Makefile nice/Makefile nice/nice.pc random/Makefile gst/Makefile docs/Makefile docs/reference/Makefile docs/reference/libnice/Makefile tests/Makefile examples/Makefile ]) # Set the libtool C/A/R version info # If the source code was changed, but there were no interface changes: # Increment REVISION. # If there was a compatible interface change: # Increment CURRENT and AGE. Set REVISION to 0 # If there was an incompatible interface change: # Increment CURRENT. Set AGE and REVISION to 0 LIBNICE_CURRENT=12 LIBNICE_REVISION=0 LIBNICE_AGE=2 LIBNICE_LIBVERSION=${LIBNICE_CURRENT}:${LIBNICE_REVISION}:${LIBNICE_AGE} LIBNICE_LT_LDFLAGS="-version-info ${LIBNICE_LIBVERSION} -no-undefined" AC_SUBST(LIBNICE_LT_LDFLAGS) dnl use pretty build output with automake >= 1.11 m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])], [AM_DEFAULT_VERBOSITY=1 AC_SUBST(AM_DEFAULT_VERBOSITY)]) # Checks for programs. AC_PROG_CC AC_USE_SYSTEM_EXTENSIONS AC_PROG_LIBTOOL # Check Operating System AC_MSG_CHECKING([operating system]) case "$host" in *-*-*mingw*|*-*-*cygwin*) platform=win32 AC_MSG_RESULT($platform) ;; *) platform=linux/other AC_MSG_RESULT($platform) ;; esac AM_CONDITIONAL([WINDOWS], [test "$platform" = "win32"]) # Checks for compiler features AC_C_RESTRICT AC_C_VARARRAYS AC_HEADER_ASSERT AC_HEADER_STDBOOL AH_VERBATIM([_FORTIFY_SOURCE], [/* Define to `2' to get GNU/libc warnings. */ /* Only define if -O1 or more is enabled */ #if defined __OPTIMIZE__ && __OPTIMIZE__ > 0 # define _FORTIFY_SOURCE 2 #endif]) AC_DEFINE([NICEAPI_EXPORT], [ ], [Public library function implementation]) AC_CHECK_HEADERS([arpa/inet.h net/in.h]) AC_CHECK_HEADERS([ifaddrs.h], \ [AC_DEFINE(HAVE_GETIFADDRS, [1], \ [Whether getifaddrs() is available on the system])]) LIBNICE_CFLAGS="-Wall" dnl if asked for, add -Werror if supported if test "x$LIBNICE_RELEASE" != "xyes"; then LIBNICE_CFLAGS="$LIBNICE_CFLAGS -Werror" fi AC_SUBST(LIBNICE_CFLAGS) AC_MSG_NOTICE([set LIBNICE_CFLAGS to $LIBNICE_CFLAGS]) # Checks for libraries. AC_CHECK_LIB(rt, clock_gettime, [LIBRT="-lrt"], [LIBRT=""]) AC_CHECK_FUNCS([poll]) AC_SUBST(LIBRT) PKG_CHECK_MODULES(GLIB, [dnl glib-2.0 >= 2.13 dnl gobject-2.0 >= 2.13 dnl gthread-2.0 >= 2.13 dnl gio-2.0 >= 2.13 dnl ]) AC_ARG_WITH(gstreamer, AC_HELP_STRING([--with-gstreamer], [build GStreamer plugin]), [with_gstreamer=${withval}], [with_gstreamer=auto]) AC_ARG_WITH(gstreamer-0.10, AC_HELP_STRING([--with-gstreamer-0.10], [build GStreamer 0.10 plugin]), [with_gstreamer010=${withval}], [with_gstreamer010=auto]) AS_IF([test "$with_gstreamer" != no], [ PKG_CHECK_MODULES(GST, [ gstreamer-1.0 >= 0.11.91 gstreamer-base-1.0 >= 0.11.91 ], [ with_gstreamer=yes GST_MAJORMINOR=1.0 gstplugindir="\$(libdir)/gstreamer-$GST_MAJORMINOR" ], [ AS_IF([test "$with_gstreamer" = yes], [ AC_MSG_ERROR([GStreamer 1.0 support was requested but GStreamer 1.0 libraries are not available]) ]) with_gstreamer=no ]) ]) AS_IF([test "$with_gstreamer010" != no], [ PKG_CHECK_MODULES(GST010, [ gstreamer-0.10 >= 0.10.10 gstreamer-base-0.10 >= 0.10.10 ], [ with_gstreamer010=yes GST_MAJORMINOR=0.10 gstplugin010dir="\$(libdir)/gstreamer-$GST_MAJORMINOR" ], [ AS_IF([test "$with_gstreamer010" = yes], [ AC_MSG_ERROR([GStreamer 0.10 support was requested but GStreamer 0.10 libraries are not available]) ]) with_gstreamer010=no ]) ]) AC_SUBST(gstplugindir) AC_SUBST(gstplugin010dir) AM_CONDITIONAL(WITH_GSTREAMER, test "$with_gstreamer" = yes) AM_CONDITIONAL(WITH_GSTREAMER010, test "$with_gstreamer010" = yes) GUPNP_IGD_REQUIRED=0.1.2 AC_ARG_ENABLE([gupnp], AC_HELP_STRING([--disable-gupnp], [Disable GUPnP IGD support]), [case "${enableval}" in yes) WANT_GUPNP=yes ;; no) WANT_GUPNP=no ;; *) AC_MSG_ERROR(bad value ${enableval} for --enable-gupnp) ;; esac], WANT_GUPNP=test) HAVE_GUPNP=no if test "x$WANT_GUPNP" != "xno"; then PKG_CHECK_MODULES(GUPNP, gupnp-igd-1.0 >= $GUPNP_IGD_REQUIRED, [ HAVE_GUPNP=yes ], [ HAVE_GUPNP=no ]) fi if test "x$WANT_GUPNP" = "xyes" && test "x$HAVE_GUPNP" = "xno"; then AC_ERROR([Requested GUPnP IGD, but it is not available]) fi if test "x$HAVE_GUPNP" = "xyes"; then AC_DEFINE(HAVE_GUPNP,,[Have the GUPnP IGD library]) fi AC_SUBST(HAVE_GUPNP) dnl Test coverage AC_ARG_ENABLE([coverage], [AS_HELP_STRING([--enable-coverage], [build for test coverage (default disabled)])],, [enable_coverage="no"]) AS_IF([test "${enable_coverage}" != "no"], [ CFLAGS="${CFLAGS} -g -O0 -fprofile-arcs -ftest-coverage" LDFLAGS="-lgcov" CCACHE_DISABLE=1 ]) AC_SUBST(CCACHE_DISABLE) case $host_os in solaris*) LDFLAGS="$LDFLAGS -lsocket -lnls" ;; *) ;; esac # check for gtk-doc m4_ifdef([GTK_DOC_CHECK], [ GTK_DOC_CHECK(1.9) ],[ AM_CONDITIONAL([ENABLE_GTK_DOC], false) ]) AC_CONFIG_MACRO_DIR(m4) AC_OUTPUT libnice-0.1.4/agent/0000775000175000017500000000000012112010566011214 500000000000000libnice-0.1.4/agent/component.c0000664000175000017500000002222611717016756013327 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2006-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2006-2009 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Dafydd Harries, Collabora Ltd. * Youness Alaoui, Collabora Ltd. * Kai Vehmanen, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ /* * @file component.c * @brief ICE component functions */ #ifdef HAVE_CONFIG_H # include #endif #include #include "debug.h" #include "component.h" #include "agent-priv.h" Component * component_new (guint id) { Component *component; component = g_slice_new0 (Component); component->id = id; component->state = NICE_COMPONENT_STATE_DISCONNECTED; component->restart_candidate = NULL; component->tcp = NULL; return component; } void component_free (Component *cmp) { GSList *i; GList *item; for (i = cmp->local_candidates; i; i = i->next) { NiceCandidate *candidate = i->data; nice_candidate_free (candidate); } for (i = cmp->remote_candidates; i; i = i->next) { NiceCandidate *candidate = i->data; nice_candidate_free (candidate); } if (cmp->restart_candidate) nice_candidate_free (cmp->restart_candidate), cmp->restart_candidate = NULL; for (i = cmp->sockets; i; i = i->next) { NiceSocket *udpsocket = i->data; nice_socket_free (udpsocket); } for (i = cmp->gsources; i; i = i->next) { GSource *source = i->data; g_source_destroy (source); g_source_unref (source); } for (i = cmp->incoming_checks; i; i = i->next) { IncomingCheck *icheck = i->data; g_free (icheck->username); g_slice_free (IncomingCheck, icheck); } g_slist_free (cmp->local_candidates); g_slist_free (cmp->remote_candidates); g_slist_free (cmp->sockets); g_slist_free (cmp->gsources); g_slist_free (cmp->incoming_checks); for (item = cmp->turn_servers; item; item = g_list_next (item)) { TurnServer *turn = item->data; g_free (turn->username); g_free (turn->password); g_slice_free (TurnServer, turn); } g_list_free (cmp->turn_servers); if (cmp->selected_pair.keepalive.tick_source != NULL) { g_source_destroy (cmp->selected_pair.keepalive.tick_source); g_source_unref (cmp->selected_pair.keepalive.tick_source); cmp->selected_pair.keepalive.tick_source = NULL; } if (cmp->tcp_clock) { g_source_destroy (cmp->tcp_clock); g_source_unref (cmp->tcp_clock); cmp->tcp_clock = NULL; } if (cmp->tcp) { pseudo_tcp_socket_close (cmp->tcp, TRUE); g_object_unref (cmp->tcp); cmp->tcp = NULL; } if (cmp->tcp_data != NULL) { g_slice_free (TcpUserData, cmp->tcp_data); cmp->tcp_data = NULL; } if (cmp->ctx != NULL) { g_main_context_unref (cmp->ctx); cmp->ctx = NULL; } g_slice_free (Component, cmp); } /* * Finds a candidate pair that has matching foundation ids. * * @return TRUE if pair found, pointer to pair stored at 'pair' */ gboolean component_find_pair (Component *cmp, NiceAgent *agent, const gchar *lfoundation, const gchar *rfoundation, CandidatePair *pair) { GSList *i; CandidatePair result; memset (&result, 0, sizeof(result)); for (i = cmp->local_candidates; i; i = i->next) { NiceCandidate *candidate = i->data; if (strncmp (candidate->foundation, lfoundation, NICE_CANDIDATE_MAX_FOUNDATION) == 0) { result.local = candidate; break; } } for (i = cmp->remote_candidates; i; i = i->next) { NiceCandidate *candidate = i->data; if (strncmp (candidate->foundation, rfoundation, NICE_CANDIDATE_MAX_FOUNDATION) == 0) { result.remote = candidate; break; } } if (result.local && result.remote) { result.priority = agent_candidate_pair_priority (agent, result.local, result.remote); if (pair) *pair = result; return TRUE; } return FALSE; } /* * Resets the component state to that of a ICE restarted * session. */ gboolean component_restart (Component *cmp) { GSList *i; for (i = cmp->remote_candidates; i; i = i->next) { NiceCandidate *candidate = i->data; /* note: do not remove the remote candidate that is * currently part of the 'selected pair', see ICE * 9.1.1.1. "ICE Restarts" (ID-19) */ if (candidate == cmp->selected_pair.remote) { if (cmp->restart_candidate) nice_candidate_free (cmp->restart_candidate); cmp->restart_candidate = candidate; } else nice_candidate_free (candidate); } g_slist_free (cmp->remote_candidates), cmp->remote_candidates = NULL; for (i = cmp->incoming_checks; i; i = i->next) { IncomingCheck *icheck = i->data; g_free (icheck->username); g_slice_free (IncomingCheck, icheck); } g_slist_free (cmp->incoming_checks); cmp->incoming_checks = NULL; /* note: component state managed by agent */ return TRUE; } /* * Changes the selected pair for the component to 'pair'. Does not * emit the "selected-pair-changed" signal. */ void component_update_selected_pair (Component *component, const CandidatePair *pair) { g_assert (component); g_assert (pair); nice_debug ("setting SELECTED PAIR for component %u: %s:%s (prio:%" G_GUINT64_FORMAT ").", component->id, pair->local->foundation, pair->remote->foundation, pair->priority); if (component->selected_pair.keepalive.tick_source != NULL) { g_source_destroy (component->selected_pair.keepalive.tick_source); g_source_unref (component->selected_pair.keepalive.tick_source); component->selected_pair.keepalive.tick_source = NULL; } memset (&component->selected_pair, 0, sizeof(CandidatePair)); component->selected_pair.local = pair->local; component->selected_pair.remote = pair->remote; component->selected_pair.priority = pair->priority; } /* * Finds a remote candidate with matching address and * transport. * * @return pointer to candidate or NULL if not found */ NiceCandidate * component_find_remote_candidate (const Component *component, const NiceAddress *addr, NiceCandidateTransport transport) { GSList *i; for (i = component->remote_candidates; i; i = i->next) { NiceCandidate *candidate = i->data; if (nice_address_equal(&candidate->addr, addr) && candidate->transport == transport) return candidate; } return NULL; } /* * Sets the desired remote candidate as the selected pair * * It will start sending on the highest priority pair available with * this candidate. */ NiceCandidate * component_set_selected_remote_candidate (NiceAgent *agent, Component *component, NiceCandidate *candidate) { NiceCandidate *local = NULL; NiceCandidate *remote = NULL; guint64 priority = 0; GSList *item = NULL; for (item = component->local_candidates; item; item = g_slist_next (item)) { NiceCandidate *tmp = item->data; guint64 tmp_prio = 0; if (tmp->transport != candidate->transport || tmp->addr.s.addr.sa_family != candidate->addr.s.addr.sa_family || tmp->type != NICE_CANDIDATE_TYPE_HOST) continue; tmp_prio = agent_candidate_pair_priority (agent, tmp, candidate); if (tmp_prio > priority) { priority = tmp_prio; local = tmp; } } if (local == NULL) return NULL; remote = component_find_remote_candidate (component, &candidate->addr, candidate->transport); if (!remote) { remote = nice_candidate_copy (candidate); component->remote_candidates = g_slist_append (component->remote_candidates, remote); agent_signal_new_remote_candidate (agent, remote); } if (component->selected_pair.keepalive.tick_source != NULL) { g_source_destroy (component->selected_pair.keepalive.tick_source); g_source_unref (component->selected_pair.keepalive.tick_source); component->selected_pair.keepalive.tick_source = NULL; } memset (&component->selected_pair, 0, sizeof(CandidatePair)); component->selected_pair.local = local; component->selected_pair.remote = remote; component->selected_pair.priority = priority; return local; } libnice-0.1.4/agent/address.h0000664000175000017500000001547012103012110012724 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2006-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2006-2009 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * Dafydd Harries, Collabora Ltd. * Kai Vehmanen * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef _ADDRESS_H #define _ADDRESS_H /** * SECTION:address * @short_description: IP address convenience library * @stability: Stable * * The #NiceAddress structure will allow you to easily set/get and modify an IPv4 * or IPv6 address in order to communicate with the #NiceAgent. */ #include #ifdef G_OS_WIN32 #include #include #else #include #include #include #include #endif G_BEGIN_DECLS /** * NiceAddress: * @addr: Generic sockaddr address * @ip4: IPv4 sockaddr address * @ip6: IPv6 sockaddr address * * The #NiceAddress structure that represents an IPv4 or IPv6 address. */ struct _NiceAddress { union { struct sockaddr addr; struct sockaddr_in ip4; struct sockaddr_in6 ip6; } s; }; /** * NICE_ADDRESS_STRING_LEN: * * The maximum string length representation of an address. * When using nice_address_to_string() make sure the string has a size of * at least %NICE_ADDRESS_STRING_LEN */ #define NICE_ADDRESS_STRING_LEN INET6_ADDRSTRLEN typedef struct _NiceAddress NiceAddress; /** * nice_address_init: * @addr: The #NiceAddress to init * * Initialize a #NiceAddress into an undefined address */ void nice_address_init (NiceAddress *addr); /** * nice_address_new: * * Create a new #NiceAddress with undefined address * You must free it with nice_address_free() * * Returns: The new #NiceAddress */ NiceAddress * nice_address_new (void); /** * nice_address_free: * @addr: The #NiceAddress to free * * Frees a #NiceAddress created with nice_address_new() or nice_address_dup() */ void nice_address_free (NiceAddress *addr); /** * nice_address_dup: * @addr: The #NiceAddress to dup * * Creates a new #NiceAddress with the same address as @addr * * Returns: The new #NiceAddress */ NiceAddress * nice_address_dup (const NiceAddress *addr); /** * nice_address_set_ipv4: * @addr: The #NiceAddress to modify * @addr_ipv4: The IPv4 address * * Set @addr to an IPv4 address using the data from @addr_ipv4 * This function will reset the port to 0, so make sure you call it before nice_address_set_port() */ void nice_address_set_ipv4 (NiceAddress *addr, guint32 addr_ipv4); /** * nice_address_set_ipv6: * @addr: The #NiceAddress to modify * @addr_ipv6: The IPv6 address * * Set @addr to an IPv6 address using the data from @addr_ipv6 * This function will reset the port to 0, so make sure you call it before nice_address_set_port() */ void nice_address_set_ipv6 (NiceAddress *addr, const guchar *addr_ipv6); /** * nice_address_set_port: * @addr: The #NiceAddress to modify * @port: The port to set * * Set the port of @addr to @port */ void nice_address_set_port (NiceAddress *addr, guint port); /** * nice_address_get_port: * @addr: The #NiceAddress to query * * Retreive the port of @addr * * Returns: The port of @addr */ guint nice_address_get_port (const NiceAddress *addr); /** * nice_address_set_from_string: * @addr: The #NiceAddress to modify * @str: The string to set * * Sets an IPv4 or IPv6 address from the string @str * * Returns: %TRUE if success, %FALSE on error */ gboolean nice_address_set_from_string (NiceAddress *addr, const gchar *str); /** * nice_address_set_from_sockaddr: * @addr: The #NiceAddress to modify * @sin: The sockaddr to set * * Sets an IPv4 or IPv6 address from the sockaddr structure @sin * */ void nice_address_set_from_sockaddr (NiceAddress *addr, const struct sockaddr *sin); /** * nice_address_copy_to_sockaddr: * @addr: The #NiceAddress to query * @sin: The sockaddr to fill * * Fills the sockaddr structure @sin with the address contained in @addr * */ void nice_address_copy_to_sockaddr (const NiceAddress *addr, struct sockaddr *sin); /** * nice_address_equal: * @a: First #NiceAddress to compare * @b: Second #NiceAddress to compare * * Compares two #NiceAddress structures to see if they contain the same address * * Returns: %TRUE if @a and @b are the same address, %FALSE if they are different */ gboolean nice_address_equal (const NiceAddress *a, const NiceAddress *b); /** * nice_address_to_string: * @addr: The #NiceAddress to query * @dst: The string to fill * * Transforms the address @addr into a human readable string * */ void nice_address_to_string (const NiceAddress *addr, gchar *dst); /** * nice_address_is_private: * @addr: The #NiceAddress to query * * Verifies if the address in @addr is a private address or not * * Returns: %TRUE if @addr is a private address, %FALSE otherwise */ gboolean nice_address_is_private (const NiceAddress *addr); /** * nice_address_is_valid: * @addr: The #NiceAddress to query * * Validate whether the #NiceAddress @addr is a valid IPv4 or IPv6 address * * Returns: %TRUE if @addr is valid, %FALSE otherwise */ G_GNUC_WARN_UNUSED_RESULT gboolean nice_address_is_valid (const NiceAddress *addr); /** * nice_address_ip_version: * @addr: The #NiceAddress to query * * Returns the IP version of the address * * Returns: 4 for IPv4, 6 for IPv6 and 0 for undefined address */ G_GNUC_WARN_UNUSED_RESULT int nice_address_ip_version (const NiceAddress *addr); G_END_DECLS #endif /* _ADDRESS_H */ libnice-0.1.4/agent/candidate.c0000664000175000017500000001226011522161145013221 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2006-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2006-2009 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Dafydd Harries, Collabora Ltd. * Youness Alaoui, Collabora Ltd. * Kai Vehmanen, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ /* * @file candidate.c * @brief ICE candidate functions */ #ifdef HAVE_CONFIG_H # include #else #define NICEAPI_EXPORT #endif #include #include "agent.h" #include "component.h" /* (ICE 4.1.1 "Gathering Candidates") ""Every candidate is a transport * address. It also has a type and a base. Three types are defined and * gathered by this specification - host candidates, server reflexive * candidates, and relayed candidates."" (ID-19) */ NICEAPI_EXPORT NiceCandidate * nice_candidate_new (NiceCandidateType type) { NiceCandidate *candidate; candidate = g_slice_new0 (NiceCandidate); candidate->type = type; return candidate; } NICEAPI_EXPORT void nice_candidate_free (NiceCandidate *candidate) { /* better way of checking if socket is allocated? */ if (candidate->username) g_free (candidate->username); if (candidate->password) g_free (candidate->password); g_slice_free (NiceCandidate, candidate); } guint32 nice_candidate_jingle_priority (NiceCandidate *candidate) { switch (candidate->type) { case NICE_CANDIDATE_TYPE_HOST: return 1000; case NICE_CANDIDATE_TYPE_SERVER_REFLEXIVE: return 900; case NICE_CANDIDATE_TYPE_PEER_REFLEXIVE: return 900; case NICE_CANDIDATE_TYPE_RELAYED: return 500; } /* appease GCC */ return 0; } guint32 nice_candidate_msn_priority (NiceCandidate *candidate) { switch (candidate->type) { case NICE_CANDIDATE_TYPE_HOST: return 830; case NICE_CANDIDATE_TYPE_SERVER_REFLEXIVE: return 550; case NICE_CANDIDATE_TYPE_PEER_REFLEXIVE: return 550; case NICE_CANDIDATE_TYPE_RELAYED: return 450; } /* appease GCC */ return 0; } /* * ICE 4.1.2.1. "Recommended Formula" (ID-19): * returns number between 1 and 0x7effffff */ guint32 nice_candidate_ice_priority_full ( // must be ∈ (0, 126) (max 2^7 - 2) guint type_preference, // must be ∈ (0, 65535) (max 2^16 - 1) guint local_preference, // must be ∈ (0, 255) (max 2 ^ 8 - 1) guint component_id) { return ( 0x1000000 * type_preference + 0x100 * local_preference + (0x100 - component_id)); } guint32 nice_candidate_ice_priority (const NiceCandidate *candidate) { guint8 type_preference = 0; switch (candidate->type) { case NICE_CANDIDATE_TYPE_HOST: type_preference = NICE_CANDIDATE_TYPE_PREF_HOST; break; case NICE_CANDIDATE_TYPE_PEER_REFLEXIVE: type_preference = NICE_CANDIDATE_TYPE_PREF_PEER_REFLEXIVE; break; case NICE_CANDIDATE_TYPE_SERVER_REFLEXIVE: type_preference = NICE_CANDIDATE_TYPE_PREF_SERVER_REFLEXIVE; break; case NICE_CANDIDATE_TYPE_RELAYED: type_preference = NICE_CANDIDATE_TYPE_PREF_RELAYED; break; } /* return _candidate_ice_priority (type_preference, 1, candidate->component_id); */ return nice_candidate_ice_priority_full (type_preference, 1, candidate->component_id); } /* * Calculates the pair priority as specified in ICE * sect 5.7.2. "Computing Pair Priority and Ordering Pairs" (ID-19). */ guint64 nice_candidate_pair_priority (guint32 o_prio, guint32 a_prio) { guint32 max = o_prio > a_prio ? o_prio : a_prio; guint32 min = o_prio < a_prio ? o_prio : a_prio; return ((guint64)1 << 32) * min + 2 * max + (o_prio > a_prio ? 1 : 0); } /* * Copies a candidate */ NICEAPI_EXPORT NiceCandidate * nice_candidate_copy (const NiceCandidate *candidate) { NiceCandidate *copy = nice_candidate_new (candidate->type); memcpy (copy, candidate, sizeof(NiceCandidate)); copy->username = g_strdup (copy->username); copy->password = g_strdup (copy->password); return copy; } libnice-0.1.4/agent/agent.h0000664000175000017500000007411412112005270012406 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2006-2010 Collabora Ltd. * Contact: Youness Alaoui * (C) 2006-2010 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Dafydd Harries, Collabora Ltd. * Youness Alaoui, Collabora Ltd. * Kai Vehmanen, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef _AGENT_H #define _AGENT_H /** * SECTION:agent * @short_description: ICE agent API implementation * @see_also: #NiceCandidate * @see_also: #NiceAddress * @include: agent.h * @stability: Stable * * The #NiceAgent is your main object when using libnice. * It is the agent that will take care of everything relating to ICE. * It will take care of discovering your local candidates and do * connectivity checks to create a stream of data between you and your peer. * Simple example on how to use libnice guint stream_id; gchar buffer[] = "hello world!"; GSList *lcands = NULL; // Create a nice agent NiceAgent *agent = nice_agent_new (NULL, NICE_COMPATIBILITY_RFC5245); // Connect the signals g_signal_connect (G_OBJECT (agent), "candidate-gathering-done", G_CALLBACK (cb_candidate_gathering_done), NULL); g_signal_connect (G_OBJECT (agent), "component-state-changed", G_CALLBACK (cb_component_state_changed), NULL); g_signal_connect (G_OBJECT (agent), "new-selected-pair", G_CALLBACK (cb_new_selected_pair), NULL); // Create a new stream with one component and start gathering candidates stream_id = nice_agent_add_stream (agent, 1); nice_agent_gather_candidates (agent, stream_id); // Attach to the component to receive the data nice_agent_attach_recv (agent, stream_id, 1, NULL, cb_nice_recv, NULL); // ... Wait until the signal candidate-gathering-done is fired ... lcands = nice_agent_get_local_candidates(agent, stream_id, 1); // ... Send local candidates to the peer and set the peer's remote candidates nice_agent_set_remote_candidates (agent, stream_id, 1, rcands); // ... Wait until the signal new-selected-pair is fired ... // Send our message! nice_agent_send (agent, stream_id, 1, sizeof(buffer), buffer); // Anything received will be received through the cb_nice_recv callback // Destroy the object g_object_unref(agent); * * Refer to the examples in the examples/ subdirectory of the libnice source for * complete examples. * */ #include /** * NiceAgent: * * The #NiceAgent is the main GObject of the libnice library and represents * the ICE agent. */ typedef struct _NiceAgent NiceAgent; #include "address.h" #include "candidate.h" #include "debug.h" G_BEGIN_DECLS #define NICE_TYPE_AGENT nice_agent_get_type() #define NICE_AGENT(obj) \ (G_TYPE_CHECK_INSTANCE_CAST ((obj), \ NICE_TYPE_AGENT, NiceAgent)) #define NICE_AGENT_CLASS(klass) \ (G_TYPE_CHECK_CLASS_CAST ((klass), \ NICE_TYPE_AGENT, NiceAgentClass)) #define NICE_IS_AGENT(obj) \ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \ NICE_TYPE_AGENT)) #define NICE_IS_AGENT_CLASS(klass) \ (G_TYPE_CHECK_CLASS_TYPE ((klass), \ NICE_TYPE_AGENT)) #define NICE_AGENT_GET_CLASS(obj) \ (G_TYPE_INSTANCE_GET_CLASS ((obj), \ NICE_TYPE_AGENT, NiceAgentClass)) typedef struct _NiceAgentClass NiceAgentClass; struct _NiceAgentClass { GObjectClass parent_class; }; GType nice_agent_get_type (void); /** * NICE_AGENT_MAX_REMOTE_CANDIDATES: * * A hard limit for the number of remote candidates. This * limit is enforced to protect against malevolent remote * clients. */ #define NICE_AGENT_MAX_REMOTE_CANDIDATES 25 /** * NiceComponentState: * @NICE_COMPONENT_STATE_DISCONNECTED: No activity scheduled * @NICE_COMPONENT_STATE_GATHERING: Gathering local candidates * @NICE_COMPONENT_STATE_CONNECTING: Establishing connectivity * @NICE_COMPONENT_STATE_CONNECTED: At least one working candidate pair * @NICE_COMPONENT_STATE_READY: ICE concluded, candidate pair selection * is now final * @NICE_COMPONENT_STATE_FAILED: Connectivity checks have been completed, * but connectivity was not established * @NICE_COMPONENT_STATE_LAST: Dummy state * * An enum representing the state of a component. * See also: #NiceAgent::component-state-changed */ typedef enum { NICE_COMPONENT_STATE_DISCONNECTED, NICE_COMPONENT_STATE_GATHERING, NICE_COMPONENT_STATE_CONNECTING, NICE_COMPONENT_STATE_CONNECTED, NICE_COMPONENT_STATE_READY, NICE_COMPONENT_STATE_FAILED, NICE_COMPONENT_STATE_LAST } NiceComponentState; /** * NiceComponentType: * @NICE_COMPONENT_TYPE_RTP: RTP Component type * @NICE_COMPONENT_TYPE_RTCP: RTCP Component type * * Convenience enum representing the type of a component for use as the * component_id for RTP/RTCP usages. Example of use. nice_agent_send (agent, stream_id, NICE_COMPONENT_TYPE_RTP, len, buf); */ typedef enum { NICE_COMPONENT_TYPE_RTP = 1, NICE_COMPONENT_TYPE_RTCP = 2 } NiceComponentType; /** * NiceCompatibility: * @NICE_COMPATIBILITY_RFC5245: Use compatibility with the RFC5245 ICE specs * @NICE_COMPATIBILITY_GOOGLE: Use compatibility for Google Talk specs * @NICE_COMPATIBILITY_MSN: Use compatibility for MSN Messenger specs * @NICE_COMPATIBILITY_WLM2009: Use compatibility with Windows Live Messenger * 2009 * @NICE_COMPATIBILITY_OC2007: Use compatibility with Microsoft Office Communicator 2007 * @NICE_COMPATIBILITY_OC2007R2: Use compatibility with Microsoft Office Communicator 2007 R2 * @NICE_COMPATIBILITY_DRAFT19: Use compatibility for ICE Draft 19 specs * @NICE_COMPATIBILITY_LAST: Dummy last compatibility mode * * An enum to specify which compatible specifications the #NiceAgent should use. * Use with nice_agent_new() * * @NICE_COMPATIBILITY_DRAFT19 is deprecated and should not be used * in newly-written code. It is kept for compatibility reasons and * represents the same compatibility as @NICE_COMPATIBILITY_RFC5245 */ typedef enum { NICE_COMPATIBILITY_RFC5245 = 0, NICE_COMPATIBILITY_GOOGLE, NICE_COMPATIBILITY_MSN, NICE_COMPATIBILITY_WLM2009, NICE_COMPATIBILITY_OC2007, NICE_COMPATIBILITY_OC2007R2, NICE_COMPATIBILITY_DRAFT19 = NICE_COMPATIBILITY_RFC5245, NICE_COMPATIBILITY_LAST = NICE_COMPATIBILITY_OC2007R2, } NiceCompatibility; /** * NiceProxyType: * @NICE_PROXY_TYPE_NONE: Do not use a proxy * @NICE_PROXY_TYPE_SOCKS5: Use a SOCKS5 proxy * @NICE_PROXY_TYPE_HTTP: Use an HTTP proxy * @NICE_PROXY_TYPE_LAST: Dummy last proxy type * * An enum to specify which proxy type to use for relaying. * Note that the proxies will only be used with TCP TURN relaying. * See also: #NiceAgent:proxy-type * * Since: 0.0.4 */ typedef enum { NICE_PROXY_TYPE_NONE = 0, NICE_PROXY_TYPE_SOCKS5, NICE_PROXY_TYPE_HTTP, NICE_PROXY_TYPE_LAST = NICE_PROXY_TYPE_HTTP, } NiceProxyType; /** * NiceAgentRecvFunc: * @agent: The #NiceAgent Object * @stream_id: The id of the stream * @component_id: The id of the component of the stream * which received the data * @len: The length of the data * @buf: The buffer containing the data received * @user_data: The user data set in nice_agent_attach_recv() * * Callback function when data is received on a component * */ typedef void (*NiceAgentRecvFunc) ( NiceAgent *agent, guint stream_id, guint component_id, guint len, gchar *buf, gpointer user_data); /** * nice_agent_new: * @ctx: The Glib Mainloop Context to use for timers * @compat: The compatibility mode of the agent * * Create a new #NiceAgent. * The returned object must be freed with g_object_unref() * * Returns: The new agent GObject */ NiceAgent * nice_agent_new (GMainContext *ctx, NiceCompatibility compat); /** * nice_agent_new_reliable: * @ctx: The Glib Mainloop Context to use for timers * @compat: The compatibility mode of the agent * * Create a new #NiceAgent in reliable mode, which uses #PseudoTcpSocket to * assure reliability of the messages. * The returned object must be freed with g_object_unref() * See also: #NiceAgent::reliable-transport-writable * * Since: 0.0.11 * * Returns: The new agent GObject */ NiceAgent * nice_agent_new_reliable (GMainContext *ctx, NiceCompatibility compat); /** * nice_agent_add_local_address: * @agent: The #NiceAgent Object * @addr: The address to listen to * If the port is 0, then a random port will be chosen by the system * * Add a local address from which to derive local host candidates for * candidate gathering. * * Since 0.0.5, if this method is not called, libnice will automatically * discover the local addresses available * * * See also: nice_agent_gather_candidates() * Returns: %TRUE on success, %FALSE on fatal (memory allocation) errors */ gboolean nice_agent_add_local_address (NiceAgent *agent, NiceAddress *addr); /** * nice_agent_add_stream: * @agent: The #NiceAgent Object * @n_components: The number of components to add to the stream * * Adds a data stream to @agent containing @n_components components. * * Returns: The ID of the new stream, 0 on failure **/ guint nice_agent_add_stream ( NiceAgent *agent, guint n_components); /** * nice_agent_remove_stream: * @agent: The #NiceAgent Object * @stream_id: The ID of the stream to remove * * Remove and free a previously created data stream from @agent * **/ void nice_agent_remove_stream ( NiceAgent *agent, guint stream_id); /** * nice_agent_set_port_range: * @agent: The #NiceAgent Object * @stream_id: The ID of the stream * @component_id: The ID of the component * @min_port: The minimum port to use * @max_port: The maximum port to use * * Sets a preferred port range for allocating host candidates. * * If a local host candidate cannot be created on that port * range, then the nice_agent_gather_candidates() call will fail. * * * This MUST be called before nice_agent_gather_candidates() * * */ void nice_agent_set_port_range ( NiceAgent *agent, guint stream_id, guint component_id, guint min_port, guint max_port); /** * nice_agent_set_relay_info: * @agent: The #NiceAgent Object * @stream_id: The ID of the stream * @component_id: The ID of the component * @server_ip: The IP address of the TURN server * @server_port: The port of the TURN server * @username: The TURN username to use for the allocate * @password: The TURN password to use for the allocate * @type: The type of relay to use * * Sets the settings for using a relay server during the candidate discovery. * * Returns: %TRUE if the TURN settings were accepted. * %FALSE if the address was invalid. */ gboolean nice_agent_set_relay_info( NiceAgent *agent, guint stream_id, guint component_id, const gchar *server_ip, guint server_port, const gchar *username, const gchar *password, NiceRelayType type); /** * nice_agent_gather_candidates: * @agent: The #NiceAgent Object * @stream_id: The id of the stream to start * * Start the candidate gathering process. * Once done, #NiceAgent::candidate-gathering-done is called for the stream * * See also: nice_agent_add_local_address() * See also: nice_agent_set_port_range() * * Returns: %FALSE if the stream id is invalid or if a host candidate couldn't be allocated * on the requested interfaces/ports. * Local addresses can be previously set with nice_agent_add_local_address() Since 0.0.5, If no local address was previously added, then the nice agent will automatically detect the local address using nice_interfaces_get_local_ips() */ gboolean nice_agent_gather_candidates ( NiceAgent *agent, guint stream_id); /** * nice_agent_set_remote_credentials: * @agent: The #NiceAgent Object * @stream_id: The ID of the stream * @ufrag: NULL-terminated string containing an ICE username fragment * (length must be between 22 and 256 chars) * @pwd: NULL-terminated string containing an ICE password * (length must be between 4 and 256 chars) * * Sets the remote credentials for stream @stream_id. * Stream credentials do not override per-candidate credentials if set * * Returns: %TRUE on success, %FALSE on error. */ gboolean nice_agent_set_remote_credentials ( NiceAgent *agent, guint stream_id, const gchar *ufrag, const gchar *pwd); /** * nice_agent_get_local_credentials: * @agent: The #NiceAgent Object * @stream_id: The ID of the stream * @ufrag: a pointer to a NULL-terminated string containing * an ICE username fragment [OUT]. * This string must be freed with g_free() * @pwd: a pointer to a NULL-terminated string containing an ICE * password [OUT] * This string must be freed with g_free() * * Gets the local credentials for stream @stream_id. * * Returns: %TRUE on success, %FALSE on error. */ gboolean nice_agent_get_local_credentials ( NiceAgent *agent, guint stream_id, gchar **ufrag, gchar **pwd); /** * nice_agent_set_remote_candidates: * @agent: The #NiceAgent Object * @stream_id: The ID of the stream the candidates are for * @component_id: The ID of the component the candidates are for * @candidates: a #GSList of #NiceCandidate items describing each candidate to add * * Sets, adds or updates the remote candidates for a component of a stream. * NICE_AGENT_MAX_REMOTE_CANDIDATES is the absolute maximum limit for remote candidates. You must first call nice_agent_gather_candidates() and wait for the #NiceAgent::candidate-gathering-done signale before calling nice_agent_set_remote_candidates() Since 0.1.3, there is no need to wait for the candidate-gathering-done signal. Remote candidates can be set even while gathering local candidates. Newly discovered local candidates will automatically be paired with existing remote candidates. * * Returns: The number of candidates added, negative on errors (memory * allocation error or invalid component) **/ int nice_agent_set_remote_candidates ( NiceAgent *agent, guint stream_id, guint component_id, const GSList *candidates); /** * nice_agent_send: * @agent: The #NiceAgent Object * @stream_id: The ID of the stream to send to * @component_id: The ID of the component to send to * @len: The length of the buffer to send * @buf: The buffer of data to send * * Sends a data payload over a stream's component. * Component state MUST be NICE_COMPONENT_STATE_READY, or as a special case, in any state if component was in READY state before and was then restarted In reliable mode, the -1 error value means either that you are not yet connected or that the send buffer is full (equivalent to EWOULDBLOCK). In both cases, you simply need to wait for the #NiceAgent::reliable-transport-writable signal to be fired before resending the data. In non-reliable mode, it will virtually never happen with UDP sockets, but it might happen if the active candidate is a TURN-TCP connection that got disconnected. In both reliable and non-reliable mode, a -1 error code could also mean that the stream_id and/or component_id are invalid. * * Returns: The number of bytes sent, or negative error code */ gint nice_agent_send ( NiceAgent *agent, guint stream_id, guint component_id, guint len, const gchar *buf); /** * nice_agent_get_local_candidates: * @agent: The #NiceAgent Object * @stream_id: The ID of the stream * @component_id: The ID of the component * * Retreive from the agent the list of all local candidates * for a stream's component * The caller owns the returned GSList as well as the candidates contained within it. To get full results, the client should wait for the #NiceAgent::candidate-gathering-done signal. * * Returns: a #GSList of #NiceCandidate objects representing * the local candidates of @agent **/ GSList * nice_agent_get_local_candidates ( NiceAgent *agent, guint stream_id, guint component_id); /** * nice_agent_get_remote_candidates: * @agent: The #NiceAgent Object * @stream_id: The ID of the stream * @component_id: The ID of the component * * Get a list of the remote candidates set on a stream's component * The caller owns the returned GSList but not the candidates contained within it. The list of remote candidates can change during processing. The client should register for the #NiceAgent::new-remote-candidate signal to get notified of new remote candidates. * * Returns: a #GSList of #NiceCandidates objects representing * the remote candidates set on the @agent **/ GSList * nice_agent_get_remote_candidates ( NiceAgent *agent, guint stream_id, guint component_id); /** * nice_agent_restart: * @agent: The #NiceAgent Object * * Restarts the session as defined in ICE draft 19. This function * needs to be called both when initiating (ICE spec section 9.1.1.1. * "ICE Restarts"), as well as when reacting (spec section 9.2.1.1. * "Detecting ICE Restart") to a restart. * * Returns: %TRUE on success %FALSE on error **/ gboolean nice_agent_restart ( NiceAgent *agent); /** * nice_agent_attach_recv: * @agent: The #NiceAgent Object * @stream_id: The ID of stream * @component_id: The ID of the component * @ctx: The Glib Mainloop Context to use for listening on the component * @func: The callback function to be called when data is received on * the stream's component * @data: user data associated with the callback * * Attaches the stream's component's sockets to the Glib Mainloop Context in * order to be notified whenever data becomes available for a component. * * Returns: %TRUE on success, %FALSE if the stream or component IDs are invalid. */ gboolean nice_agent_attach_recv ( NiceAgent *agent, guint stream_id, guint component_id, GMainContext *ctx, NiceAgentRecvFunc func, gpointer data); /** * nice_agent_set_selected_pair: * @agent: The #NiceAgent Object * @stream_id: The ID of the stream * @component_id: The ID of the component * @lfoundation: The local foundation of the candidate to use * @rfoundation: The remote foundation of the candidate to use * * Sets the selected candidate pair for media transmission * for a given stream's component. Calling this function will * disable all further ICE processing (connection check, * state machine updates, etc). Note that keepalives will * continue to be sent. * * Returns: %TRUE on success, %FALSE if the candidate pair cannot be found */ gboolean nice_agent_set_selected_pair ( NiceAgent *agent, guint stream_id, guint component_id, const gchar *lfoundation, const gchar *rfoundation); /** * nice_agent_get_selected_pair: * @agent: The #NiceAgent Object * @stream_id: The ID of the stream * @component_id: The ID of the component * @local: The local selected candidate * @remote: The remote selected candidate * * Retreive the selected candidate pair for media transmission * for a given stream's component. * * Returns: %TRUE on success, %FALSE if there is no selected candidate pair */ gboolean nice_agent_get_selected_pair ( NiceAgent *agent, guint stream_id, guint component_id, NiceCandidate **local, NiceCandidate **remote); /** * nice_agent_set_selected_remote_candidate: * @agent: The #NiceAgent Object * @stream_id: The ID of the stream * @component_id: The ID of the component * @candidate: The #NiceCandidate to select * * Sets the selected remote candidate for media transmission * for a given stream's component. This is used to force the selection of * a specific remote candidate even when connectivity checks are failing * (e.g. non-ICE compatible candidates). * Calling this function will disable all further ICE processing * (connection check, state machine updates, etc). Note that keepalives will * continue to be sent. * * Returns: %TRUE on success, %FALSE on failure */ gboolean nice_agent_set_selected_remote_candidate ( NiceAgent *agent, guint stream_id, guint component_id, NiceCandidate *candidate); /** * nice_agent_set_stream_tos: * @agent: The #NiceAgent Object * @stream_id: The ID of the stream * @tos: The ToS to set * * Sets the IP_TOS and/or IPV6_TCLASS field on the stream's sockets' options * * Since: 0.0.9 */ void nice_agent_set_stream_tos ( NiceAgent *agent, guint stream_id, gint tos); /** * nice_agent_set_software: * @agent: The #NiceAgent Object * @software: The value of the SOFTWARE attribute to add. * * This function will set the value of the SOFTWARE attribute to be added to * STUN requests, responses and error responses sent during connectivity checks. * * The SOFTWARE attribute will only be added in the #NICE_COMPATIBILITY_RFC5245 * and #NICE_COMPATIBILITY_WLM2009 compatibility modes. * * * The @software argument will be appended with the libnice version before being sent. The @software argument must be in UTF-8 encoding and only the first 128 characters will be sent. * * Since: 0.0.10 * */ void nice_agent_set_software ( NiceAgent *agent, const gchar *software); /** * nice_agent_set_stream_name: * @agent: The #NiceAgent Object * @stream_id: The ID of the stream to change * @name: The new name of the stream or %NULL * * This function will assign a unique name to a stream. * This is only useful when parsing and generating an SDP of the candidates. * * See also: nice_agent_generate_local_sdp() * See also: nice_agent_parse_remote_sdp() * See also: nice_agent_get_stream_name() * * Returns: %TRUE if the name has been set. %FALSE in case of error * (invalid stream or duplicate name). * Since: 0.1.4 */ gboolean nice_agent_set_stream_name ( NiceAgent *agent, guint stream_id, const gchar *name); /** * nice_agent_get_stream_name: * @agent: The #NiceAgent Object * @stream_id: The ID of the stream to change * * This function will return the name assigned to a stream. * See also: nice_agent_set_stream_name() * * Returns: The name of the stream. The name is only valid while the stream * exists or until it changes through a call to nice_agent_set_stream_name(). * * * Since: 0.1.4 */ const gchar *nice_agent_get_stream_name ( NiceAgent *agent, guint stream_id); /** * nice_agent_get_default_local_candidate: * @agent: The #NiceAgent Object * @stream_id: The ID of the stream * @component_id: The ID of the component * * This helper function will return the recommended default candidate to be * used for non-ICE compatible clients. This will usually be the candidate * with the lowest priority, since it will be the longest path but the one with * the most chances of success. * This function is only useful in order to manually generate the local SDP * * * Returns: The candidate to be used as the default candidate, or %NULL in case * of error. Must be freed with nice_candidate_free() once done. * */ NiceCandidate * nice_agent_get_default_local_candidate ( NiceAgent *agent, guint stream_id, guint component_id); /** * nice_agent_generate_local_sdp: * @agent: The #NiceAgent Object * * Generate an SDP string containing the local candidates and credentials for * all streams and components in the agent. * The SDP will not contain any codec lines and the 'm' line will not list any payload types. It is highly recommended to set names on the streams prior to calling this function. Unnamed streams will show up as '-' in the 'm' line, but the SDP will not be parseable with nice_agent_parse_remote_sdp() if a stream is unnamed. The default candidate in the SDP will be selected based on the lowest priority candidate for the first component. * * See also: nice_agent_set_stream_name() * See also: nice_agent_parse_remote_sdp() * See also: nice_agent_generate_local_stream_sdp() * See also: nice_agent_generate_local_candidate_sdp() * See also: nice_agent_get_default_local_candidate() * * Returns: A string representing the local SDP. Must be freed with g_free() * once done. * * Since: 0.1.4 **/ gchar * nice_agent_generate_local_sdp ( NiceAgent *agent); /** * nice_agent_generate_local_stream_sdp: * @agent: The #NiceAgent Object * @stream_id: The ID of the stream * @include_non_ice: Whether or not to include non ICE specific lines * (m=, c= and a=rtcp: lines) * * Generate an SDP string containing the local candidates and credentials * for a stream. * The SDP will not contain any codec lines and the 'm' line will not list any payload types. It is highly recommended to set the name of the stream prior to calling this function. Unnamed streams will show up as '-' in the 'm' line. The default candidate in the SDP will be selected based on the lowest priority candidate. * * See also: nice_agent_set_stream_name() * See also: nice_agent_parse_remote_stream_sdp() * See also: nice_agent_generate_local_sdp() * See also: nice_agent_generate_local_candidate_sdp() * See also: nice_agent_get_default_local_candidate() * * Returns: A string representing the local SDP for the stream. Must be freed * with g_free() once done. * * Since: 0.1.4 **/ gchar * nice_agent_generate_local_stream_sdp ( NiceAgent *agent, guint stream_id, gboolean include_non_ice); /** * nice_agent_generate_local_candidate_sdp: * @agent: The #NiceAgent Object * @candidate: The candidate to generate * * Generate an SDP string representing a local candidate. * * See also: nice_agent_parse_remote_candidate_sdp() * See also: nice_agent_generate_local_sdp() * See also: nice_agent_generate_local_stream_sdp() * * Returns: A string representing the SDP for the candidate. Must be freed * with g_free() once done. * * Since: 0.1.4 **/ gchar * nice_agent_generate_local_candidate_sdp ( NiceAgent *agent, NiceCandidate *candidate); /** * nice_agent_parse_remote_sdp: * @agent: The #NiceAgent Object * @sdp: The remote SDP to parse * * Parse an SDP string and extracts candidates and credentials from it and sets * them on the agent. * This function will return an error if a stream has not been assigned a name with nice_agent_set_stream_name() as it becomes troublesome to assign the streams from the agent to the streams in the SDP. * * * See also: nice_agent_set_stream_name() * See also: nice_agent_generate_local_sdp() * See also: nice_agent_parse_remote_stream_sdp() * See also: nice_agent_parse_remote_candidate_sdp() * * Returns: The number of candidates added, negative on errors * * Since: 0.1.4 **/ int nice_agent_parse_remote_sdp ( NiceAgent *agent, const gchar *sdp); /** * nice_agent_parse_remote_stream_sdp: * @agent: The #NiceAgent Object * @stream_id: The ID of the stream to parse * @sdp: The remote SDP to parse * @ufrag: Pointer to store the ice ufrag if non %NULL. Must be freed with * g_free() after use * @pwd: Pointer to store the ice password if non %NULL. Must be freed with * g_free() after use * * Parse an SDP string representing a single stream and extracts candidates * and credentials from it. * * See also: nice_agent_generate_local_stream_sdp() * See also: nice_agent_parse_remote_sdp() * See also: nice_agent_parse_remote_candidate_sdp() * * Returns: A #GSList of candidates parsed from the SDP, or %NULL in case of * errors * * Since: 0.1.4 **/ GSList * nice_agent_parse_remote_stream_sdp ( NiceAgent *agent, guint stream_id, const gchar *sdp, gchar **ufrag, gchar **pwd); /** * nice_agent_parse_remote_candidate_sdp: * @agent: The #NiceAgent Object * @stream_id: The ID of the stream the candidate belongs to * @sdp: The remote SDP to parse * * Parse an SDP string and extracts the candidate from it. * * See also: nice_agent_generate_local_candidate_sdp() * See also: nice_agent_parse_remote_sdp() * See also: nice_agent_parse_remote_stream_sdp() * * Returns: The parsed candidate or %NULL if there was an error. * * Since: 0.1.4 **/ NiceCandidate * nice_agent_parse_remote_candidate_sdp ( NiceAgent *agent, guint stream_id, const gchar *sdp); G_END_DECLS #endif /* _AGENT_H */ libnice-0.1.4/agent/debug.c0000664000175000017500000000656711522161200012400 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008 Collabora Ltd. * Contact: Youness Alaoui * (C) 2008 Nokia Corporation. All rights reserved. * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include #endif #include "debug.h" #include "stunagent.h" #include "pseudotcp.h" static int debug_enabled = 0; #define NICE_DEBUG_STUN 1 #define NICE_DEBUG_NICE 2 #define NICE_DEBUG_PSEUDOTCP 4 #define NICE_DEBUG_PSEUDOTCP_VERBOSE 8 static const GDebugKey keys[] = { { (gchar *)"stun", NICE_DEBUG_STUN }, { (gchar *)"nice", NICE_DEBUG_NICE }, { (gchar *)"pseudotcp", NICE_DEBUG_PSEUDOTCP }, { (gchar *)"pseudotcp-verbose", NICE_DEBUG_PSEUDOTCP_VERBOSE }, { NULL, 0}, }; void nice_debug_init () { static gboolean debug_initialized = FALSE; const gchar *flags_string; guint flags; if (!debug_initialized) { debug_initialized = TRUE; flags_string = g_getenv ("NICE_DEBUG"); nice_debug_disable (TRUE); if (flags_string != NULL) { flags = g_parse_debug_string (flags_string, keys, 4); if (flags & NICE_DEBUG_NICE) nice_debug_enable (FALSE); if (flags & NICE_DEBUG_STUN) stun_debug_enable (); /* Set verbose before normal so that if we use 'all', then only normal debug is enabled, we'd need to set pseudotcp-verbose without the pseudotcp flag in order to actually enable verbose pseudotcp */ if (flags & NICE_DEBUG_PSEUDOTCP_VERBOSE) pseudo_tcp_set_debug_level (PSEUDO_TCP_DEBUG_VERBOSE); if (flags & NICE_DEBUG_PSEUDOTCP) pseudo_tcp_set_debug_level (PSEUDO_TCP_DEBUG_NORMAL); } } } void nice_debug_enable (gboolean with_stun) { nice_debug_init (); debug_enabled = 1; if (with_stun) stun_debug_enable (); } void nice_debug_disable (gboolean with_stun) { nice_debug_init (); debug_enabled = 0; if (with_stun) stun_debug_disable (); } void nice_debug (const char *fmt, ...) { va_list ap; if (debug_enabled) { va_start (ap, fmt); g_logv (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, fmt, ap); va_end (ap); } } libnice-0.1.4/agent/interfaces.c0000664000175000017500000003417111673734474013457 00000000000000/* * interfaces.c - Source for interface discovery code * * Copyright (C) 2006 Youness Alaoui * Copyright (C) 2007 Collabora, Nokia * Contact: Youness Alaoui * Copyright (C) 2008 Haakon Sporsheim * @author: Youness Alaoui * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include "interfaces.h" #include "debug.h" #ifdef G_OS_UNIX #include #include #include #include #include #include #include #include #include #ifdef __sun #include #endif #ifdef HAVE_GETIFADDRS #include #endif #include #include #include #ifdef HAVE_GETIFADDRS GList * nice_interfaces_get_local_interfaces (void) { GList *interfaces = NULL; struct ifaddrs *ifa, *results; if (getifaddrs (&results) < 0) { return NULL; } /* Loop and get each interface the system has, one by one... */ for (ifa = results; ifa; ifa = ifa->ifa_next) { /* no ip address from interface that is down */ if ((ifa->ifa_flags & IFF_UP) == 0) continue; if (ifa->ifa_addr == NULL) continue; if (ifa->ifa_addr->sa_family == AF_INET || ifa->ifa_addr->sa_family == AF_INET6) { nice_debug ("Found interface : %s", ifa->ifa_name); interfaces = g_list_prepend (interfaces, g_strdup (ifa->ifa_name)); } } freeifaddrs (results); return interfaces; } #else /* ! HAVE_GETIFADDRS */ GList * nice_interfaces_get_local_interfaces (void) { GList *interfaces = NULL; gint sockfd; gint size = 0; struct ifreq *ifr; struct ifconf ifc; if ((sockfd = socket (AF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0) { nice_debug ("error : Cannot open socket to retreive interface list"); return NULL; } ifc.ifc_len = 0; ifc.ifc_req = NULL; /* Loop and get each interface the system has, one by one... */ do { size += sizeof (struct ifreq); /* realloc buffer size until no overflow occurs */ if (NULL == (ifc.ifc_req = realloc (ifc.ifc_req, size))) { nice_debug ("Error : Out of memory while allocation interface" "configuration structure"); close (sockfd); return NULL; } ifc.ifc_len = size; if (ioctl (sockfd, SIOCGIFCONF, &ifc)) { perror ("ioctl SIOCFIFCONF"); close (sockfd); free (ifc.ifc_req); return NULL; } } while (size <= ifc.ifc_len); /* Loop throught the interface list and get the IP address of each IF */ for (ifr = ifc.ifc_req; (gchar *) ifr < (gchar *) ifc.ifc_req + ifc.ifc_len; ++ifr) { nice_debug ("Found interface : %s", ifr->ifr_name); interfaces = g_list_prepend (interfaces, g_strdup (ifr->ifr_name)); } free (ifc.ifc_req); close (sockfd); return interfaces; } #endif /* HAVE_GETIFADDRS */ static gboolean nice_interfaces_is_private_ip (const struct sockaddr *sa) { if (sa->sa_family == AF_INET) { struct sockaddr_in *sa4 = (struct sockaddr_in *) sa; /* 10.x.x.x/8 */ if (sa4->sin_addr.s_addr >> 24 == 0x0A) return TRUE; /* 172.16.0.0 - 172.31.255.255 = 172.16.0.0/10 */ if (sa4->sin_addr.s_addr >> 20 == 0xAC1) return TRUE; /* 192.168.x.x/16 */ if (sa4->sin_addr.s_addr >> 16 == 0xC0A8) return TRUE; /* 169.254.x.x/16 (for APIPA) */ if (sa4->sin_addr.s_addr >> 16 == 0xA9FE) return TRUE; } return FALSE; } #ifdef HAVE_GETIFADDRS GList * nice_interfaces_get_local_ips (gboolean include_loopback) { GList *ips = NULL; struct ifaddrs *ifa, *results; GList *loopbacks = NULL; if (getifaddrs (&results) < 0) return NULL; /* Loop through the interface list and get the IP address of each IF */ for (ifa = results; ifa; ifa = ifa->ifa_next) { char addr_as_string[INET6_ADDRSTRLEN+1]; /* no ip address from interface that is down */ if ((ifa->ifa_flags & IFF_UP) == 0) continue; if (ifa->ifa_addr == NULL) { continue; } else if (ifa->ifa_addr->sa_family == AF_INET) { struct sockaddr_in *sa4 = (struct sockaddr_in *) ifa->ifa_addr; if (inet_ntop (AF_INET, &sa4->sin_addr, addr_as_string, INET6_ADDRSTRLEN) == NULL) continue; } else if (ifa->ifa_addr->sa_family == AF_INET6) { struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *)ifa->ifa_addr; /* Skip link-local addresses, they require a scope */ if (IN6_IS_ADDR_LINKLOCAL (&sa6->sin6_addr)) continue; if (inet_ntop (AF_INET6, &sa6->sin6_addr, addr_as_string, INET6_ADDRSTRLEN) == NULL) continue; } else continue; nice_debug ("Interface: %s", ifa->ifa_name); nice_debug ("IP Address: %s", addr_as_string); if ((ifa->ifa_flags & IFF_LOOPBACK) == IFF_LOOPBACK) { if (include_loopback) loopbacks = g_list_append (loopbacks, g_strdup (addr_as_string)); else nice_debug ("Ignoring loopback interface"); } else { if (nice_interfaces_is_private_ip (ifa->ifa_addr)) ips = g_list_append (ips, g_strdup (addr_as_string)); else ips = g_list_prepend (ips, g_strdup (addr_as_string)); } } freeifaddrs (results); if (loopbacks) ips = g_list_concat (ips, loopbacks); return ips; } #else /* ! HAVE_GETIFADDRS */ GList * nice_interfaces_get_local_ips (gboolean include_loopback) { GList *ips = NULL; gint sockfd; gint size = 0; struct ifreq *ifr; struct ifconf ifc; struct sockaddr_in *sa; gchar *loopback = NULL; if ((sockfd = socket (AF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0) { nice_debug ("Error : Cannot open socket to retreive interface list"); return NULL; } ifc.ifc_len = 0; ifc.ifc_req = NULL; /* Loop and get each interface the system has, one by one... */ do { size += sizeof (struct ifreq); /* realloc buffer size until no overflow occurs */ if (NULL == (ifc.ifc_req = realloc (ifc.ifc_req, size))) { nice_debug ("Error : Out of memory while allocation interface" " configuration structure"); close (sockfd); return NULL; } ifc.ifc_len = size; if (ioctl (sockfd, SIOCGIFCONF, &ifc)) { perror ("ioctl SIOCFIFCONF"); close (sockfd); free (ifc.ifc_req); return NULL; } } while (size <= ifc.ifc_len); /* Loop throught the interface list and get the IP address of each IF */ for (ifr = ifc.ifc_req; (gchar *) ifr < (gchar *) ifc.ifc_req + ifc.ifc_len; ++ifr) { if (ioctl (sockfd, SIOCGIFFLAGS, ifr)) { nice_debug ("Error : Unable to get IP information for interface %s." " Skipping...", ifr->ifr_name); continue; /* failed to get flags, skip it */ } sa = (struct sockaddr_in *) &ifr->ifr_addr; nice_debug ("Interface: %s", ifr->ifr_name); nice_debug ("IP Address: %s", inet_ntoa (sa->sin_addr)); if ((ifr->ifr_flags & IFF_LOOPBACK) == IFF_LOOPBACK){ if (include_loopback) loopback = g_strdup (inet_ntoa (sa->sin_addr)); else nice_debug ("Ignoring loopback interface"); } else { if (nice_interfaces_is_private_ip (sa)) { ips = g_list_append (ips, g_strdup (inet_ntoa (sa->sin_addr))); } else { ips = g_list_prepend (ips, g_strdup (inet_ntoa (sa->sin_addr))); } } } close (sockfd); free (ifc.ifc_req); if (loopback) ips = g_list_append (ips, loopback); return ips; } #endif /* HAVE_GETIFADDRS */ gchar * nice_interfaces_get_ip_for_interface (gchar *interface_name) { struct ifreq ifr; struct sockaddr_in *sa; gint sockfd; ifr.ifr_addr.sa_family = AF_INET; memset (ifr.ifr_name, 0, sizeof (ifr.ifr_name)); g_strlcpy (ifr.ifr_name, interface_name, sizeof (ifr.ifr_name)); if ((sockfd = socket (AF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0) { nice_debug ("Error : Cannot open socket to retreive interface list"); return NULL; } if (ioctl (sockfd, SIOCGIFADDR, &ifr) < 0) { nice_debug ("Error : Unable to get IP information for interface %s", interface_name); close (sockfd); return NULL; } close (sockfd); sa = (struct sockaddr_in *) &ifr.ifr_addr; nice_debug ("Address for %s: %s", interface_name, inet_ntoa (sa->sin_addr)); return g_strdup (inet_ntoa (sa->sin_addr)); } #else /* G_OS_UNIX */ #ifdef G_OS_WIN32 #include #include // Should be in Iphlpapi.h, but mingw doesn't seem to have these // Values copied directly from: // http://msdn.microsoft.com/en-us/library/aa366845(v=vs.85).aspx // (Title: MIB_IPADDRROW structure) #ifndef MIB_IPADDR_DISCONNECTED #define MIB_IPADDR_DISCONNECTED 0x0008 #endif #ifndef MIB_IPADDR_DELETED #define MIB_IPADDR_DELETED 0x0040 #endif #if 0 static gboolean started_wsa_engine = FALSE; /* * private function that initializes the WinSock engine and * returns a prebuilt socket */ SOCKET nice_interfaces_get_WSA_socket () { WORD wVersionRequested; WSADATA wsaData; int err; SOCKET sock; if (started_wsa_engine == FALSE) { wVersionRequested = MAKEWORD ( 2, 0 ); err = WSAStartup ( wVersionRequested, &wsaData ); if ( err != 0 ) { nice_debug ("Error : Could not start the winsocket engine"); return INVALID_SOCKET; } started_wsa_engine = TRUE; } if ((sock = socket (AF_INET, SOCK_DGRAM, 0)) == INVALID_SOCKET) { nice_debug ("Error : Could not open socket to retreive interface list," " error no : %d", WSAGetLastError ()); return INVALID_SOCKET; } return sock; } #endif GList * nice_interfaces_get_local_interfaces () { ULONG size = 0; PMIB_IFTABLE if_table; GList * ret = NULL; GetIfTable(NULL, &size, TRUE); if (!size) return NULL; if_table = (PMIB_IFTABLE)g_malloc0(size); if (GetIfTable(if_table, &size, TRUE) == ERROR_SUCCESS) { DWORD i; for (i = 0; i < if_table->dwNumEntries; i++) { ret = g_list_prepend (ret, g_strdup ((gchar*)if_table->table[i].bDescr)); } } g_free(if_table); return ret; } GList * nice_interfaces_get_local_ips (gboolean include_loopback) { ULONG size = 0; DWORD pref = 0; PMIB_IPADDRTABLE ip_table; GList * ret = NULL; GetIpAddrTable (NULL, &size, TRUE); if (!size) return NULL; /* * Get the best interface for transport to 0.0.0.0. * This interface should be first in list! */ if (GetBestInterface (0, &pref) != NO_ERROR) pref = 0; ip_table = (PMIB_IPADDRTABLE)g_malloc0 (size); if (GetIpAddrTable (ip_table, &size, TRUE) == ERROR_SUCCESS) { DWORD i; for (i = 0; i < ip_table->dwNumEntries; i++) { gchar * ipstr; PMIB_IPADDRROW ipaddr = &ip_table->table[i]; if (!(ipaddr->wType & (MIB_IPADDR_DISCONNECTED | MIB_IPADDR_DELETED)) && ipaddr->dwAddr) { if (!include_loopback) { DWORD type = 0; PMIB_IFROW ifr = (PMIB_IFROW)g_malloc0 (sizeof (MIB_IFROW)); ifr->dwIndex = ipaddr->dwIndex; if (GetIfEntry (ifr) == NO_ERROR) type = ifr->dwType; g_free (ifr); if (type == IF_TYPE_SOFTWARE_LOOPBACK) continue; } ipstr = g_strdup_printf ("%lu.%lu.%lu.%lu", (ipaddr->dwAddr ) & 0xFF, (ipaddr->dwAddr >> 8) & 0xFF, (ipaddr->dwAddr >> 16) & 0xFF, (ipaddr->dwAddr >> 24) & 0xFF); if (ipaddr->dwIndex == pref) ret = g_list_prepend (ret, ipstr); else ret = g_list_append (ret, ipstr); } } } g_free(ip_table); return ret; } /* * returns ip address as an utf8 string */ // Source for idx's type (Was IF_INDEX): // http://msdn.microsoft.com/en-us/library/aa366836(v=VS.85).aspx // (Title: MIB_IFROW structure) static gchar * win32_get_ip_for_interface (DWORD idx) { ULONG size = 0; PMIB_IPADDRTABLE ip_table; gchar * ret = NULL; GetIpAddrTable (NULL, &size, TRUE); if (!size) return NULL; ip_table = (PMIB_IPADDRTABLE)g_malloc0 (size); if (GetIpAddrTable (ip_table, &size, TRUE) == ERROR_SUCCESS) { DWORD i; for (i = 0; i < ip_table->dwNumEntries; i++) { PMIB_IPADDRROW ipaddr = &ip_table->table[i]; if (ipaddr->dwIndex == idx && !(ipaddr->wType & (MIB_IPADDR_DISCONNECTED | MIB_IPADDR_DELETED))) { ret = g_strdup_printf ("%lu.%lu.%lu.%lu", (ipaddr->dwAddr ) & 0xFF, (ipaddr->dwAddr >> 8) & 0xFF, (ipaddr->dwAddr >> 16) & 0xFF, (ipaddr->dwAddr >> 24) & 0xFF); break; } } } g_free (ip_table); return ret; } gchar * nice_interfaces_get_ip_for_interface (gchar *interface_name) { ULONG size = 0; PMIB_IFTABLE if_table; gchar * ret = NULL; GetIfTable (NULL, &size, TRUE); if (!size) return NULL; if_table = (PMIB_IFTABLE)g_malloc0 (size); if (GetIfTable (if_table, &size, TRUE) == ERROR_SUCCESS) { DWORD i; gchar * tmp_str; for (i = 0; i < if_table->dwNumEntries; i++) { tmp_str = g_utf16_to_utf8 ( if_table->table[i].wszName, MAX_INTERFACE_NAME_LEN, NULL, NULL, NULL); if (strlen (interface_name) == strlen (tmp_str) && g_ascii_strncasecmp (interface_name, tmp_str, strlen (interface_name)) == 0) { ret = win32_get_ip_for_interface (if_table->table[i].dwIndex); g_free (tmp_str); break; } g_free (tmp_str); } } g_free (if_table); return ret; } #else /* G_OS_WIN32 */ #error Can not use this method for retreiving ip list from OS other than unix or windows #endif /* G_OS_WIN32 */ #endif /* G_OS_UNIX */ libnice-0.1.4/agent/Makefile.in0000664000175000017500000005316512112006556013217 00000000000000# Makefile.in generated by automake 1.11.6 from Makefile.am. # @configure_input@ # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, # 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software # Foundation, Inc. # This Makefile.in is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; without # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. @SET_MAKE@ # # Makefile.am for the Nice Glib ICE library # # (C) 2006, 2007 Collabora Ltd. # (C) 2006, 2007 Nokia Corporation. All rights reserved. # # Licensed under MPL 1.1/LGPL 2.1. See file COPYING. 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\ tags uninstall uninstall-am uninstall-pkgincludeHEADERS check-valgrind: $(MAKE) TESTS_ENVIRONMENT="sh $$(cd "$(top_srcdir)" && pwd)/scripts/valgrind.sh" check .PHONY: check-valgrind agent-signals-marshal.h: agent-signals-marshal.list glib-genmarshal --header --prefix=agent_marshal $? > $@ agent-signals-marshal.c: agent-signals-marshal.list echo '#include "agent-signals-marshal.h"' > $@ glib-genmarshal --body --prefix=agent_marshal $? | \ sed -e 's/^}$$/(void)return_value;(void)invocation_hint;}/' >> $@ # Tell versions [3.59,3.63) of GNU make to not export all variables. # Otherwise a system limit (for SysV at least) may be exceeded. .NOEXPORT: libnice-0.1.4/agent/interfaces.h0000664000175000017500000000440411522161145013436 00000000000000/* * interfaces.h - Source for interface discovery code * * Farsight Helper functions * Copyright (C) 2006 Youness Alaoui * Copyright (C) 2008-2009 Collabora, Nokia * Contact: Youness Alaoui * Copyright (C) 2008-2009 Nokia Corporation. All rights reserved. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef __INTERFACES_H__ #define __INTERFACES_H__ /** * SECTION:interfaces * @short_description: Utility functions to discover local network interfaces * @include: interfaces.h * @stability: Stable * * These utility functions allow the discovery of local network interfaces * in a portable manner, they also allow finding the local ip addresses or * the address allocated to a network interface. */ #include G_BEGIN_DECLS /** * nice_interfaces_get_ip_for_interface: * @interface_name: name of local interface * * Retreives the IPv4 address of an interface by its name * * Returns: a newly-allocated string with the IP address */ gchar * nice_interfaces_get_ip_for_interface (gchar *interface_name); /** * nice_interfaces_get_local_ips: * @include_loopback: Include any loopback devices * * Get a list of local ipv4 interface addresses * * Returns: a newly-allocated #GList of strings. The caller must free it. */ GList * nice_interfaces_get_local_ips (gboolean include_loopback); /** * nice_interfaces_get_local_interfaces: * * Get the list of local interfaces * * Returns: a newly-allocated #GList of strings. The caller must free it. */ GList * nice_interfaces_get_local_interfaces (void); G_END_DECLS #endif libnice-0.1.4/agent/conncheck.c0000664000175000017500000031701512073361235013252 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2006-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2006-2009 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Kai Vehmanen, Nokia * Youness Alaoui, Collabora Ltd. * Dafydd Harries, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ /* * @file conncheck.c * @brief ICE connectivity checks */ #ifdef HAVE_CONFIG_H # include #endif #include #include #include #include "debug.h" #include "agent.h" #include "agent-priv.h" #include "conncheck.h" #include "discovery.h" #include "stun/usages/ice.h" #include "stun/usages/bind.h" #include "stun/usages/turn.h" static void priv_update_check_list_failed_components (NiceAgent *agent, Stream *stream); static void priv_update_check_list_state_for_ready (NiceAgent *agent, Stream *stream, Component *component); static guint priv_prune_pending_checks (Stream *stream, guint component_id); static gboolean priv_schedule_triggered_check (NiceAgent *agent, Stream *stream, Component *component, NiceSocket *local_socket, NiceCandidate *remote_cand, gboolean use_candidate); static void priv_mark_pair_nominated (NiceAgent *agent, Stream *stream, Component *component, NiceCandidate *remotecand); static size_t priv_create_username (NiceAgent *agent, Stream *stream, guint component_id, NiceCandidate *remote, NiceCandidate *local, uint8_t *dest, guint dest_len, gboolean inbound); static size_t priv_get_password (NiceAgent *agent, Stream *stream, NiceCandidate *remote, uint8_t **password); static int priv_timer_expired (GTimeVal *timer, GTimeVal *now) { return (now->tv_sec == timer->tv_sec) ? now->tv_usec >= timer->tv_usec : now->tv_sec >= timer->tv_sec; } /* * Finds the next connectivity check in WAITING state. */ static CandidateCheckPair *priv_conn_check_find_next_waiting (GSList *conn_check_list) { GSList *i; /* note: list is sorted in priority order to first waiting check has * the highest priority */ for (i = conn_check_list; i ; i = i->next) { CandidateCheckPair *p = i->data; if (p->state == NICE_CHECK_WAITING) return p; } return NULL; } /* * Initiates a new connectivity check for a ICE candidate pair. * * @return TRUE on success, FALSE on error */ static gboolean priv_conn_check_initiate (NiceAgent *agent, CandidateCheckPair *pair) { /* XXX: from ID-16 onwards, the checks should not be sent * immediately, but be put into the "triggered queue", * see "7.2.1.4 Triggered Checks" */ g_get_current_time (&pair->next_tick); g_time_val_add (&pair->next_tick, agent->timer_ta * 1000); pair->state = NICE_CHECK_IN_PROGRESS; nice_debug ("Agent %p : pair %p state IN_PROGRESS", agent, pair); conn_check_send (agent, pair); return TRUE; } /* * Unfreezes the next connectivity check in the list. Follows the * algorithm (2.) defined in 5.7.4 (Computing States) of the ICE spec * (ID-19), with some exceptions (see comments in code). * * See also sect 7.1.2.2.3 (Updating Pair States), and * priv_conn_check_unfreeze_related(). * * @return TRUE on success, and FALSE if no frozen candidates were found. */ static gboolean priv_conn_check_unfreeze_next (NiceAgent *agent) { CandidateCheckPair *pair = NULL; GSList *i, *j; /* XXX: the unfreezing is implemented a bit differently than in the * current ICE spec, but should still be interoperate: * - checks are not grouped by foundation * - one frozen check is unfrozen (lowest component-id, highest * priority) */ for (i = agent->streams; i; i = i->next) { Stream *stream = i->data; guint64 max_frozen_priority = 0; for (j = stream->conncheck_list; j ; j = j->next) { CandidateCheckPair *p = j->data; /* XXX: the prio check could be removed as the pairs are sorted * already */ if (p->state == NICE_CHECK_FROZEN) { if (p->priority > max_frozen_priority) { max_frozen_priority = p->priority; pair = p; } } } if (pair) break; } if (pair) { nice_debug ("Agent %p : Pair %p with s/c-id %u/%u (%s) unfrozen.", agent, pair, pair->stream_id, pair->component_id, pair->foundation); pair->state = NICE_CHECK_WAITING; nice_debug ("Agent %p : pair %p state WAITING", agent, pair); return TRUE; } return FALSE; } /* * Unfreezes the next next connectivity check in the list after * check 'success_check' has successfully completed. * * See sect 7.1.2.2.3 (Updating Pair States) of ICE spec (ID-19). * * @param agent context * @param ok_check a connectivity check that has just completed * * @return TRUE on success, and FALSE if no frozen candidates were found. */ static void priv_conn_check_unfreeze_related (NiceAgent *agent, Stream *stream, CandidateCheckPair *ok_check) { GSList *i, *j; guint unfrozen = 0; g_assert (ok_check); g_assert (ok_check->state == NICE_CHECK_SUCCEEDED); g_assert (stream); g_assert (stream->id == ok_check->stream_id); /* step: perform the step (1) of 'Updating Pair States' */ for (i = stream->conncheck_list; i ; i = i->next) { CandidateCheckPair *p = i->data; if (p->stream_id == ok_check->stream_id) { if (p->state == NICE_CHECK_FROZEN && strcmp (p->foundation, ok_check->foundation) == 0) { nice_debug ("Agent %p : Unfreezing check %p (after successful check %p).", agent, p, ok_check); p->state = NICE_CHECK_WAITING; nice_debug ("Agent %p : pair %p state WAITING", agent, p); ++unfrozen; } } } /* step: perform the step (2) of 'Updating Pair States' */ stream = agent_find_stream (agent, ok_check->stream_id); if (stream_all_components_ready (stream)) { /* step: unfreeze checks from other streams */ for (i = agent->streams; i ; i = i->next) { Stream *s = i->data; for (j = stream->conncheck_list; j ; j = j->next) { CandidateCheckPair *p = j->data; if (p->stream_id == s->id && p->stream_id != ok_check->stream_id) { if (p->state == NICE_CHECK_FROZEN && strcmp (p->foundation, ok_check->foundation) == 0) { nice_debug ("Agent %p : Unfreezing check %p from stream %u (after successful check %p).", agent, p, s->id, ok_check); p->state = NICE_CHECK_WAITING; nice_debug ("Agent %p : pair %p state WAITING", agent, p); ++unfrozen; } } } /* note: only unfreeze check from one stream at a time */ if (unfrozen) break; } } if (unfrozen == 0) priv_conn_check_unfreeze_next (agent); } /* * Helper function for connectivity check timer callback that * runs through the stream specific part of the state machine. * * @param schedule if TRUE, schedule a new check * * @return will return FALSE when no more pending timers. */ static gboolean priv_conn_check_tick_stream (Stream *stream, NiceAgent *agent, GTimeVal *now) { gboolean keep_timer_going = FALSE; guint s_inprogress = 0, s_succeeded = 0, s_discovered = 0, s_nominated = 0, s_waiting_for_nomination = 0; guint frozen = 0, waiting = 0; GSList *i, *k; for (i = stream->conncheck_list; i ; i = i->next) { CandidateCheckPair *p = i->data; if (p->state == NICE_CHECK_IN_PROGRESS) { if (p->stun_message.buffer == NULL) { nice_debug ("Agent %p : STUN connectivity check was cancelled, marking as done.", agent); p->state = NICE_CHECK_FAILED; nice_debug ("Agent %p : pair %p state FAILED", agent, p); } else if (priv_timer_expired (&p->next_tick, now)) { switch (stun_timer_refresh (&p->timer)) { case STUN_USAGE_TIMER_RETURN_TIMEOUT: { /* case: error, abort processing */ StunTransactionId id; nice_debug ("Agent %p : Retransmissions failed, giving up on connectivity check %p", agent, p); p->state = NICE_CHECK_FAILED; nice_debug ("Agent %p : pair %p state FAILED", agent, p); stun_message_id (&p->stun_message, id); stun_agent_forget_transaction (&agent->stun_agent, id); p->stun_message.buffer = NULL; p->stun_message.buffer_len = 0; break; } case STUN_USAGE_TIMER_RETURN_RETRANSMIT: { /* case: not ready, so schedule a new timeout */ unsigned int timeout = stun_timer_remainder (&p->timer); nice_debug ("Agent %p :STUN transaction retransmitted (timeout %dms).", agent, timeout); nice_socket_send (p->local->sockptr, &p->remote->addr, stun_message_length (&p->stun_message), (gchar *)p->stun_buffer); /* note: convert from milli to microseconds for g_time_val_add() */ p->next_tick = *now; g_time_val_add (&p->next_tick, timeout * 1000); keep_timer_going = TRUE; break; } case STUN_USAGE_TIMER_RETURN_SUCCESS: { unsigned int timeout = stun_timer_remainder (&p->timer); /* note: convert from milli to microseconds for g_time_val_add() */ p->next_tick = *now; g_time_val_add (&p->next_tick, timeout * 1000); keep_timer_going = TRUE; break; } } } } if (p->state == NICE_CHECK_FROZEN) ++frozen; else if (p->state == NICE_CHECK_IN_PROGRESS) ++s_inprogress; else if (p->state == NICE_CHECK_WAITING) ++waiting; else if (p->state == NICE_CHECK_SUCCEEDED) ++s_succeeded; else if (p->state == NICE_CHECK_DISCOVERED) ++s_discovered; if ((p->state == NICE_CHECK_SUCCEEDED || p->state == NICE_CHECK_DISCOVERED) && p->nominated) ++s_nominated; else if ((p->state == NICE_CHECK_SUCCEEDED || p->state == NICE_CHECK_DISCOVERED) && !p->nominated) ++s_waiting_for_nomination; } /* note: keep the timer going as long as there is work to be done */ if (s_inprogress) keep_timer_going = TRUE; /* note: if some components have established connectivity, * but yet no nominated pair, keep timer going */ if (s_nominated < stream->n_components && s_waiting_for_nomination) { keep_timer_going = TRUE; if (agent->controlling_mode) { guint n; for (n = 0; n < stream->n_components; n++) { for (k = stream->conncheck_list; k ; k = k->next) { CandidateCheckPair *p = k->data; /* note: highest priority item selected (list always sorted) */ if (p->state == NICE_CHECK_SUCCEEDED || p->state == NICE_CHECK_DISCOVERED) { nice_debug ("Agent %p : restarting check %p as the nominated pair.", agent, p); p->nominated = TRUE; priv_conn_check_initiate (agent, p); break; /* move to the next component */ } } } } } { static int tick_counter = 0; if (tick_counter++ % 50 == 0 || keep_timer_going != TRUE) nice_debug ("Agent %p : timer tick #%u: %u frozen, %u in-progress, " "%u waiting, %u succeeded, %u discovered, %u nominated, " "%u waiting-for-nom.", agent, tick_counter, frozen, s_inprogress, waiting, s_succeeded, s_discovered, s_nominated, s_waiting_for_nomination); } return keep_timer_going; } /* * Timer callback that handles initiating and managing connectivity * checks (paced by the Ta timer). * * This function is designed for the g_timeout_add() interface. * * @return will return FALSE when no more pending timers. */ static gboolean priv_conn_check_tick_unlocked (gpointer pointer) { CandidateCheckPair *pair = NULL; NiceAgent *agent = pointer; gboolean keep_timer_going = FALSE; GSList *i, *j; GTimeVal now; /* step: process ongoing STUN transactions */ g_get_current_time (&now); /* step: find the highest priority waiting check and send it */ for (i = agent->streams; i ; i = i->next) { Stream *stream = i->data; pair = priv_conn_check_find_next_waiting (stream->conncheck_list); if (pair) break; } if (pair) { priv_conn_check_initiate (agent, pair); keep_timer_going = TRUE; } else { keep_timer_going = priv_conn_check_unfreeze_next (agent); } for (j = agent->streams; j; j = j->next) { Stream *stream = j->data; gboolean res = priv_conn_check_tick_stream (stream, agent, &now); if (res) keep_timer_going = res; } /* step: stop timer if no work left */ if (keep_timer_going != TRUE) { nice_debug ("Agent %p : %s: stopping conncheck timer", agent, G_STRFUNC); for (i = agent->streams; i; i = i->next) { Stream *stream = i->data; priv_update_check_list_failed_components (agent, stream); for (j = stream->components; j; j = j->next) { Component *component = j->data; priv_update_check_list_state_for_ready (agent, stream, component); } } /* Stopping the timer so destroy the source.. this will allow the timer to be reset if we get a set_remote_candidates after this point */ if (agent->conncheck_timer_source != NULL) { g_source_destroy (agent->conncheck_timer_source); g_source_unref (agent->conncheck_timer_source); agent->conncheck_timer_source = NULL; } /* XXX: what to signal, is all processing now really done? */ nice_debug ("Agent %p : changing conncheck state to COMPLETED.", agent); } return keep_timer_going; } static gboolean priv_conn_check_tick (gpointer pointer) { gboolean ret; agent_lock(); if (g_source_is_destroyed (g_main_current_source ())) { nice_debug ("Source was destroyed. " "Avoided race condition in priv_conn_check_tick"); agent_unlock (); return FALSE; } ret = priv_conn_check_tick_unlocked (pointer); agent_unlock(); return ret; } static gboolean priv_conn_keepalive_retransmissions_tick (gpointer pointer) { CandidatePair *pair = (CandidatePair *) pointer; agent_lock(); /* A race condition might happen where the mutex above waits for the lock * and in the meantime another thread destroys the source. * In that case, we don't need to run our retransmission tick since it should * have been cancelled */ if (g_source_is_destroyed (g_main_current_source ())) { nice_debug ("Source was destroyed. " "Avoided race condition in priv_conn_keepalive_retransmissions_tick"); agent_unlock (); return FALSE; } g_source_destroy (pair->keepalive.tick_source); g_source_unref (pair->keepalive.tick_source); pair->keepalive.tick_source = NULL; switch (stun_timer_refresh (&pair->keepalive.timer)) { case STUN_USAGE_TIMER_RETURN_TIMEOUT: { /* Time out */ StunTransactionId id; stun_message_id (&pair->keepalive.stun_message, id); stun_agent_forget_transaction (&pair->keepalive.agent->stun_agent, id); if (pair->keepalive.agent->media_after_tick) { nice_debug ("Agent %p : Keepalive conncheck timed out!! " "but media was received. Suspecting keepalive lost because of " "network bottleneck", pair->keepalive.agent); pair->keepalive.stun_message.buffer = NULL; } else { nice_debug ("Agent %p : Keepalive conncheck timed out!! " "peer probably lost connection", pair->keepalive.agent); agent_signal_component_state_change (pair->keepalive.agent, pair->keepalive.stream_id, pair->keepalive.component_id, NICE_COMPONENT_STATE_FAILED); } break; } case STUN_USAGE_TIMER_RETURN_RETRANSMIT: /* Retransmit */ nice_socket_send (pair->local->sockptr, &pair->remote->addr, stun_message_length (&pair->keepalive.stun_message), (gchar *)pair->keepalive.stun_buffer); nice_debug ("Agent %p : Retransmitting keepalive conncheck", pair->keepalive.agent); pair->keepalive.tick_source = agent_timeout_add_with_context (pair->keepalive.agent, stun_timer_remainder (&pair->keepalive.timer), priv_conn_keepalive_retransmissions_tick, pair); break; case STUN_USAGE_TIMER_RETURN_SUCCESS: pair->keepalive.tick_source = agent_timeout_add_with_context (pair->keepalive.agent, stun_timer_remainder (&pair->keepalive.timer), priv_conn_keepalive_retransmissions_tick, pair); break; } agent_unlock (); return FALSE; } /* * Timer callback that handles initiating and managing connectivity * checks (paced by the Ta timer). * * This function is designed for the g_timeout_add() interface. * * @return will return FALSE when no more pending timers. */ static gboolean priv_conn_keepalive_tick_unlocked (NiceAgent *agent) { GSList *i, *j, *k; int errors = 0; gboolean ret = FALSE; size_t buf_len = 0; /* case 1: session established and media flowing * (ref ICE sect 10 "Keepalives" ID-19) */ for (i = agent->streams; i; i = i->next) { Stream *stream = i->data; for (j = stream->components; j; j = j->next) { Component *component = j->data; if (component->selected_pair.local != NULL) { CandidatePair *p = &component->selected_pair; if (agent->compatibility == NICE_COMPATIBILITY_GOOGLE) { guint32 priority = nice_candidate_ice_priority_full ( NICE_CANDIDATE_TYPE_PREF_PEER_REFLEXIVE, 1, p->local->component_id); uint8_t uname[NICE_STREAM_MAX_UNAME]; size_t uname_len = priv_create_username (agent, agent_find_stream (agent, stream->id), component->id, p->remote, p->local, uname, sizeof (uname), FALSE); uint8_t *password = NULL; size_t password_len = priv_get_password (agent, agent_find_stream (agent, stream->id), p->remote, &password); gchar tmpbuf[INET6_ADDRSTRLEN]; nice_address_to_string (&p->remote->addr, tmpbuf); nice_debug ("Agent %p : Keepalive STUN-CC REQ to '%s:%u', " "socket=%u (c-id:%u), username='%s' (%d), " "password='%s' (%d), priority=%u.", agent, tmpbuf, nice_address_get_port (&p->remote->addr), g_socket_get_fd(((NiceSocket *)p->local->sockptr)->fileno), component->id, uname, uname_len, password, password_len, priority); if (uname_len > 0) { buf_len = stun_usage_ice_conncheck_create (&agent->stun_agent, &p->keepalive.stun_message, p->keepalive.stun_buffer, sizeof(p->keepalive.stun_buffer), uname, uname_len, password, password_len, agent->controlling_mode, agent->controlling_mode, priority, agent->tie_breaker, NULL, agent_to_ice_compatibility (agent)); nice_debug ("Agent %p: conncheck created %d - %p", agent, buf_len, p->keepalive.stun_message.buffer); if (buf_len > 0) { stun_timer_start (&p->keepalive.timer, STUN_TIMER_DEFAULT_TIMEOUT, STUN_TIMER_DEFAULT_MAX_RETRANSMISSIONS); agent->media_after_tick = FALSE; /* send the conncheck */ nice_socket_send (p->local->sockptr, &p->remote->addr, buf_len, (gchar *)p->keepalive.stun_buffer); if (p->keepalive.tick_source != NULL) { g_source_destroy (p->keepalive.tick_source); g_source_unref (p->keepalive.tick_source); p->keepalive.tick_source = NULL; } p->keepalive.stream_id = stream->id; p->keepalive.component_id = component->id; p->keepalive.agent = agent; p->keepalive.tick_source = agent_timeout_add_with_context (p->keepalive.agent, stun_timer_remainder (&p->keepalive.timer), priv_conn_keepalive_retransmissions_tick, p); } else { ++errors; } } } else { buf_len = stun_usage_bind_keepalive (&agent->stun_agent, &p->keepalive.stun_message, p->keepalive.stun_buffer, sizeof(p->keepalive.stun_buffer)); if (buf_len > 0) { nice_socket_send (p->local->sockptr, &p->remote->addr, buf_len, (gchar *)p->keepalive.stun_buffer); nice_debug ("Agent %p : stun_bind_keepalive for pair %p res %d.", agent, p, (int) buf_len); } else { ++errors; } } } } } /* case 2: connectivity establishment ongoing * (ref ICE sect 4.1.1.4 "Keeping Candidates Alive" ID-19) */ for (i = agent->streams; i; i = i->next) { Stream *stream = i->data; for (j = stream->components; j; j = j->next) { Component *component = j->data; if (component->state < NICE_COMPONENT_STATE_READY && agent->stun_server_ip) { NiceAddress stun_server; if (nice_address_set_from_string (&stun_server, agent->stun_server_ip)) { StunAgent stun_agent; uint8_t stun_buffer[STUN_MAX_MESSAGE_SIZE]; StunMessage stun_message; size_t buffer_len = 0; nice_address_set_port (&stun_server, agent->stun_server_port); stun_agent_init (&stun_agent, STUN_ALL_KNOWN_ATTRIBUTES, STUN_COMPATIBILITY_RFC3489, 0); buffer_len = stun_usage_bind_create (&stun_agent, &stun_message, stun_buffer, sizeof(stun_buffer)); for (k = component->local_candidates; k; k = k->next) { NiceCandidate *candidate = (NiceCandidate *) k->data; if (candidate->type == NICE_CANDIDATE_TYPE_HOST) { /* send the conncheck */ nice_debug ("Agent %p : resending STUN on %s to keep the " "candidate alive.", agent, candidate->foundation); nice_socket_send (candidate->sockptr, &stun_server, buffer_len, (gchar *)stun_buffer); } } } } } } if (errors) { nice_debug ("Agent %p : %s: stopping keepalive timer", agent, G_STRFUNC); goto done; } ret = TRUE; done: return ret; } static gboolean priv_conn_keepalive_tick (gpointer pointer) { NiceAgent *agent = pointer; gboolean ret; agent_lock(); if (g_source_is_destroyed (g_main_current_source ())) { nice_debug ("Source was destroyed. " "Avoided race condition in priv_conn_keepalive_tick"); agent_unlock (); return FALSE; } ret = priv_conn_keepalive_tick_unlocked (agent); if (ret == FALSE) { if (agent->keepalive_timer_source) { g_source_destroy (agent->keepalive_timer_source); g_source_unref (agent->keepalive_timer_source); agent->keepalive_timer_source = NULL; } } agent_unlock(); return ret; } static gboolean priv_turn_allocate_refresh_retransmissions_tick (gpointer pointer) { CandidateRefresh *cand = (CandidateRefresh *) pointer; agent_lock(); /* A race condition might happen where the mutex above waits for the lock * and in the meantime another thread destroys the source. * In that case, we don't need to run our retransmission tick since it should * have been cancelled */ if (g_source_is_destroyed (g_main_current_source ())) { nice_debug ("Source was destroyed. " "Avoided race condition in priv_turn_allocate_refresh_retransmissions_tick"); agent_unlock (); return FALSE; } g_source_destroy (cand->tick_source); g_source_unref (cand->tick_source); cand->tick_source = NULL; switch (stun_timer_refresh (&cand->timer)) { case STUN_USAGE_TIMER_RETURN_TIMEOUT: { /* Time out */ StunTransactionId id; stun_message_id (&cand->stun_message, id); stun_agent_forget_transaction (&cand->stun_agent, id); refresh_cancel (cand); break; } case STUN_USAGE_TIMER_RETURN_RETRANSMIT: /* Retransmit */ nice_socket_send (cand->nicesock, &cand->server, stun_message_length (&cand->stun_message), (gchar *)cand->stun_buffer); cand->tick_source = agent_timeout_add_with_context (cand->agent, stun_timer_remainder (&cand->timer), priv_turn_allocate_refresh_retransmissions_tick, cand); break; case STUN_USAGE_TIMER_RETURN_SUCCESS: cand->tick_source = agent_timeout_add_with_context (cand->agent, stun_timer_remainder (&cand->timer), priv_turn_allocate_refresh_retransmissions_tick, cand); break; } agent_unlock (); return FALSE; } static void priv_turn_allocate_refresh_tick_unlocked (CandidateRefresh *cand) { uint8_t *username; size_t username_len; uint8_t *password; size_t password_len; size_t buffer_len = 0; StunUsageTurnCompatibility turn_compat = agent_to_turn_compatibility (cand->agent); username = (uint8_t *)cand->turn->username; username_len = (size_t) strlen (cand->turn->username); password = (uint8_t *)cand->turn->password; password_len = (size_t) strlen (cand->turn->password); if (turn_compat == STUN_USAGE_TURN_COMPATIBILITY_MSN || turn_compat == STUN_USAGE_TURN_COMPATIBILITY_OC2007) { username = g_base64_decode ((gchar *)username, &username_len); password = g_base64_decode ((gchar *)password, &password_len); } buffer_len = stun_usage_turn_create_refresh (&cand->stun_agent, &cand->stun_message, cand->stun_buffer, sizeof(cand->stun_buffer), cand->stun_resp_msg.buffer == NULL ? NULL : &cand->stun_resp_msg, -1, username, username_len, password, password_len, turn_compat); if (turn_compat == STUN_USAGE_TURN_COMPATIBILITY_MSN || turn_compat == STUN_USAGE_TURN_COMPATIBILITY_OC2007) { g_free (cand->msn_turn_username); g_free (cand->msn_turn_password); cand->msn_turn_username = username; cand->msn_turn_password = password; } nice_debug ("Agent %p : Sending allocate Refresh %d", cand->agent, buffer_len); if (cand->tick_source != NULL) { g_source_destroy (cand->tick_source); g_source_unref (cand->tick_source); cand->tick_source = NULL; } if (buffer_len > 0) { stun_timer_start (&cand->timer, STUN_TIMER_DEFAULT_TIMEOUT, STUN_TIMER_DEFAULT_MAX_RETRANSMISSIONS); /* send the refresh */ nice_socket_send (cand->nicesock, &cand->server, buffer_len, (gchar *)cand->stun_buffer); cand->tick_source = agent_timeout_add_with_context (cand->agent, stun_timer_remainder (&cand->timer), priv_turn_allocate_refresh_retransmissions_tick, cand); } } /* * Timer callback that handles refreshing TURN allocations * * This function is designed for the g_timeout_add() interface. * * @return will return FALSE when no more pending timers. */ static gboolean priv_turn_allocate_refresh_tick (gpointer pointer) { CandidateRefresh *cand = (CandidateRefresh *) pointer; agent_lock(); if (g_source_is_destroyed (g_main_current_source ())) { nice_debug ("Source was destroyed. " "Avoided race condition in priv_turn_allocate_refresh_tick"); agent_unlock (); return FALSE; } priv_turn_allocate_refresh_tick_unlocked (cand); agent_unlock (); return FALSE; } /* * Initiates the next pending connectivity check. * * @return TRUE if a pending check was scheduled */ gboolean conn_check_schedule_next (NiceAgent *agent) { gboolean res = priv_conn_check_unfreeze_next (agent); nice_debug ("Agent %p : priv_conn_check_unfreeze_next returned %d", agent, res); if (agent->discovery_unsched_items > 0) nice_debug ("Agent %p : WARN: starting conn checks before local candidate gathering is finished.", agent); /* step: call once imediately */ res = priv_conn_check_tick_unlocked ((gpointer) agent); nice_debug ("Agent %p : priv_conn_check_tick_unlocked returned %d", agent, res); /* step: schedule timer if not running yet */ if (res && agent->conncheck_timer_source == NULL) { agent->conncheck_timer_source = agent_timeout_add_with_context (agent, agent->timer_ta, priv_conn_check_tick, agent); } /* step: also start the keepalive timer */ if (agent->keepalive_timer_source == NULL) { agent->keepalive_timer_source = agent_timeout_add_with_context (agent, NICE_AGENT_TIMER_TR_DEFAULT, priv_conn_keepalive_tick, agent); } nice_debug ("Agent %p : conn_check_schedule_next returning %d", agent, res); return res; } /* * Compares two connectivity check items. Checkpairs are sorted * in descending priority order, with highest priority item at * the start of the list. */ gint conn_check_compare (const CandidateCheckPair *a, const CandidateCheckPair *b) { if (a->priority > b->priority) return -1; else if (a->priority < b->priority) return 1; return 0; } /* * Preprocesses a new connectivity check by going through list * of a any stored early incoming connectivity checks from * the remote peer. If a matching incoming check has been already * received, update the state of the new outgoing check 'pair'. * * @param agent context pointer * @param stream which stream (of the agent) * @param component pointer to component object to which 'pair'has been added * @param pair newly added connectivity check */ static void priv_preprocess_conn_check_pending_data (NiceAgent *agent, Stream *stream, Component *component, CandidateCheckPair *pair) { GSList *i; for (i = component->incoming_checks; i; i = i->next) { IncomingCheck *icheck = i->data; if (nice_address_equal (&icheck->from, &pair->remote->addr) && icheck->local_socket == pair->local->sockptr) { nice_debug ("Agent %p : Updating check %p with stored early-icheck %p, %p/%u/%u (agent/stream/component).", agent, pair, icheck, agent, stream->id, component->id); if (icheck->use_candidate) priv_mark_pair_nominated (agent, stream, component, pair->remote); priv_schedule_triggered_check (agent, stream, component, icheck->local_socket, pair->remote, icheck->use_candidate); } } } /* * Handle any processing steps for connectivity checks after * remote candidates have been set. This function handles * the special case where answerer has sent us connectivity * checks before the answer (containing candidate information), * reaches us. The special case is documented in sect 7.2 * if ICE spec (ID-19). */ void conn_check_remote_candidates_set(NiceAgent *agent) { GSList *i, *j, *k, *l, *m, *n; for (i = agent->streams; i ; i = i->next) { Stream *stream = i->data; for (j = stream->conncheck_list; j ; j = j->next) { CandidateCheckPair *pair = j->data; Component *component = stream_find_component_by_id (stream, pair->component_id); gboolean match = FALSE; /* performn delayed processing of spec steps section 7.2.1.4, and section 7.2.1.5 */ priv_preprocess_conn_check_pending_data (agent, stream, component, pair); for (k = component->incoming_checks; k; k = k->next) { IncomingCheck *icheck = k->data; /* sect 7.2.1.3., "Learning Peer Reflexive Candidates", has to * be handled separately */ for (l = component->remote_candidates; l; l = l->next) { NiceCandidate *cand = l->data; if (nice_address_equal (&icheck->from, &cand->addr)) { match = TRUE; break; } } if (match != TRUE) { /* note: we have gotten an incoming connectivity check from * an address that is not a known remote candidate */ NiceCandidate *local_candidate = NULL; NiceCandidate *remote_candidate = NULL; if (agent->compatibility == NICE_COMPATIBILITY_GOOGLE || agent->compatibility == NICE_COMPATIBILITY_MSN || agent->compatibility == NICE_COMPATIBILITY_OC2007) { /* We need to find which local candidate was used */ uint8_t uname[NICE_STREAM_MAX_UNAME]; guint uname_len; nice_debug ("Agent %p: We have a peer-reflexive candidate in a " "stored pending check", agent); for (m = component->remote_candidates; m != NULL && remote_candidate == NULL; m = m->next) { for (n = component->local_candidates; n; n = n->next) { NiceCandidate *rcand = m->data; NiceCandidate *lcand = n->data; uname_len = priv_create_username (agent, stream, component->id, rcand, lcand, uname, sizeof (uname), TRUE); stun_debug ("pending check, comparing username '"); stun_debug_bytes (icheck->username, icheck->username? icheck->username_len : 0); stun_debug ("' (%d) with '", icheck->username_len); stun_debug_bytes (uname, uname_len); stun_debug ("' (%d) : %d\n", uname_len, icheck->username && uname_len == icheck->username_len && memcmp (icheck->username, uname, uname_len) == 0); if (icheck->username && uname_len == icheck->username_len && memcmp (uname, icheck->username, icheck->username_len) == 0) { local_candidate = lcand; remote_candidate = rcand; break; } } } } if (agent->compatibility == NICE_COMPATIBILITY_GOOGLE && local_candidate == NULL) { /* if we couldn't match the username, then the matching remote * candidate hasn't been received yet.. we must wait */ nice_debug ("Agent %p : Username check failed. pending check has " "to wait to be processed", agent); } else { NiceCandidate *candidate; nice_debug ("Agent %p : Discovered peer reflexive from early i-check", agent); candidate = discovery_learn_remote_peer_reflexive_candidate (agent, stream, component, icheck->priority, &icheck->from, icheck->local_socket, local_candidate, remote_candidate); if (candidate) { conn_check_add_for_candidate (agent, stream->id, component, candidate); if (icheck->use_candidate) priv_mark_pair_nominated (agent, stream, component, candidate); priv_schedule_triggered_check (agent, stream, component, icheck->local_socket, candidate, icheck->use_candidate); } } } } /* Once we process the pending checks, we should free them to avoid * reprocessing them again if a dribble-mode set_remote_candidates * is called */ for (m = component->incoming_checks; m; m = m->next) { IncomingCheck *icheck = m->data; g_free (icheck->username); g_slice_free (IncomingCheck, icheck); } g_slist_free (component->incoming_checks); component->incoming_checks = NULL; } } } /* * Enforces the upper limit for connectivity checks as described * in ICE spec section 5.7.3 (ID-19). See also * conn_check_add_for_candidate(). */ static GSList *priv_limit_conn_check_list_size (GSList *conncheck_list, guint upper_limit) { guint list_len = g_slist_length (conncheck_list); guint c = 0; GSList *result = conncheck_list; if (list_len > upper_limit) { nice_debug ("Agent : Pruning candidates. Conncheck list has %d elements. " "Maximum connchecks allowed : %d", list_len, upper_limit); c = list_len - upper_limit; if (c == list_len) { /* case: delete whole list */ g_slist_foreach (conncheck_list, conn_check_free_item, NULL); g_slist_free (conncheck_list), result = NULL; } else { /* case: remove 'c' items from list end (lowest priority) */ GSList *i, *tmp; g_assert (c > 0); i = g_slist_nth (conncheck_list, c - 1); tmp = i->next; i->next = NULL; if (tmp) { /* delete the rest of the connectivity check list */ g_slist_foreach (tmp, conn_check_free_item, NULL); g_slist_free (tmp); } } } return result; } /* * Changes the selected pair for the component if 'pair' is nominated * and has higher priority than the currently selected pair. See * ICE sect 11.1.1. "Procedures for Full Implementations" (ID-19). */ static gboolean priv_update_selected_pair (NiceAgent *agent, Component *component, CandidateCheckPair *pair) { g_assert (component); g_assert (pair); if (pair->priority > component->selected_pair.priority) { nice_debug ("Agent %p : changing SELECTED PAIR for component %u: %s:%s " "(prio:%" G_GUINT64_FORMAT ").", agent, component->id, pair->local->foundation, pair->remote->foundation, pair->priority); if (component->selected_pair.keepalive.tick_source != NULL) { g_source_destroy (component->selected_pair.keepalive.tick_source); g_source_unref (component->selected_pair.keepalive.tick_source); component->selected_pair.keepalive.tick_source = NULL; } memset (&component->selected_pair, 0, sizeof(CandidatePair)); component->selected_pair.local = pair->local; component->selected_pair.remote = pair->remote; component->selected_pair.priority = pair->priority; priv_conn_keepalive_tick_unlocked (agent); agent_signal_new_selected_pair (agent, pair->stream_id, component->id, pair->local->foundation, pair->remote->foundation); } return TRUE; } /* * Updates the check list state. * * Implements parts of the algorithm described in * ICE sect 8.1.2. "Updating States" (ID-19): if for any * component, all checks have been completed and have * failed, mark that component's state to NICE_CHECK_FAILED. * * Sends a component state changesignal via 'agent'. */ static void priv_update_check_list_failed_components (NiceAgent *agent, Stream *stream) { GSList *i; /* note: emitting a signal might cause the client * to remove the stream, thus the component count * must be fetched before entering the loop*/ guint c, components = stream->n_components; /* note: iterate the conncheck list for each component separately */ for (c = 0; c < components; c++) { Component *comp = NULL; if (!agent_find_component (agent, stream->id, c+1, NULL, &comp)) continue; for (i = stream->conncheck_list; i; i = i->next) { CandidateCheckPair *p = i->data; if (p->stream_id == stream->id && p->component_id == (c + 1)) { if (p->state != NICE_CHECK_FAILED) break; } } /* note: all checks have failed * Set the component to FAILED only if it actually had remote candidates * that failed.. */ if (i == NULL && comp != NULL && comp->remote_candidates != NULL) agent_signal_component_state_change (agent, stream->id, (c + 1), /* component-id */ NICE_COMPONENT_STATE_FAILED); } } /* * Updates the check list state for a stream component. * * Implements the algorithm described in ICE sect 8.1.2 * "Updating States" (ID-19) as it applies to checks of * a certain component. If there are any nominated pairs, * ICE processing may be concluded, and component state is * changed to READY. * * Sends a component state changesignal via 'agent'. */ static void priv_update_check_list_state_for_ready (NiceAgent *agent, Stream *stream, Component *component) { GSList *i; guint succeeded = 0, nominated = 0; g_assert (component); /* step: search for at least one nominated pair */ for (i = stream->conncheck_list; i; i = i->next) { CandidateCheckPair *p = i->data; if (p->component_id == component->id) { if (p->state == NICE_CHECK_SUCCEEDED || p->state == NICE_CHECK_DISCOVERED) { ++succeeded; if (p->nominated == TRUE) { ++nominated; } } } } if (nominated > 0) { /* Only go to READY if no checks are left in progress. If there are * any that are kept, then this function will be called again when the * conncheck tick timer finishes them all */ if (priv_prune_pending_checks (stream, component->id) == 0) { agent_signal_component_state_change (agent, stream->id, component->id, NICE_COMPONENT_STATE_READY); } } nice_debug ("Agent %p : conn.check list status: %u nominated, %u succeeded, c-id %u.", agent, nominated, succeeded, component->id); } /* * The remote party has signalled that the candidate pair * described by 'component' and 'remotecand' is nominated * for use. */ static void priv_mark_pair_nominated (NiceAgent *agent, Stream *stream, Component *component, NiceCandidate *remotecand) { GSList *i; g_assert (component); /* step: search for at least one nominated pair */ for (i = stream->conncheck_list; i; i = i->next) { CandidateCheckPair *pair = i->data; /* XXX: hmm, how to figure out to which local candidate the * check was sent to? let's mark all matching pairs * as nominated instead */ if (pair->remote == remotecand) { nice_debug ("Agent %p : marking pair %p (%s) as nominated", agent, pair, pair->foundation); pair->nominated = TRUE; if (pair->state == NICE_CHECK_SUCCEEDED || pair->state == NICE_CHECK_DISCOVERED) priv_update_selected_pair (agent, component, pair); priv_update_check_list_state_for_ready (agent, stream, component); } } } /* * Creates a new connectivity check pair and adds it to * the agent's list of checks. */ static void priv_add_new_check_pair (NiceAgent *agent, guint stream_id, Component *component, NiceCandidate *local, NiceCandidate *remote, NiceCheckState initial_state, gboolean use_candidate) { Stream *stream = agent_find_stream (agent, stream_id); CandidateCheckPair *pair = g_slice_new0 (CandidateCheckPair); stream->conncheck_list = g_slist_insert_sorted (stream->conncheck_list, pair, (GCompareFunc)conn_check_compare); pair->agent = agent; pair->stream_id = stream_id; pair->component_id = component->id;; pair->local = local; pair->remote = remote; g_snprintf (pair->foundation, NICE_CANDIDATE_PAIR_MAX_FOUNDATION, "%s:%s", local->foundation, remote->foundation); pair->priority = agent_candidate_pair_priority (agent, local, remote); pair->state = initial_state; nice_debug ("Agent %p : creating new pair %p state %d", agent, pair, initial_state); pair->nominated = use_candidate; pair->controlling = agent->controlling_mode; nice_debug ("Agent %p : added a new conncheck %p with foundation of '%s' to list %u.", agent, pair, pair->foundation, stream_id); /* implement the hard upper limit for number of checks (see sect 5.7.3 ICE ID-19): */ if (agent->compatibility == NICE_COMPATIBILITY_RFC5245) { stream->conncheck_list = priv_limit_conn_check_list_size (stream->conncheck_list, agent->max_conn_checks); } } static gboolean priv_conn_check_add_for_candidate_pair (NiceAgent *agent, guint stream_id, Component *component, NiceCandidate *local, NiceCandidate *remote) { gboolean ret = FALSE; /* note: do not create pairs where the local candidate is * a srv-reflexive (ICE 5.7.3. "Pruning the pairs" ID-9) */ if ((agent->compatibility == NICE_COMPATIBILITY_RFC5245 || agent->compatibility == NICE_COMPATIBILITY_WLM2009 || agent->compatibility == NICE_COMPATIBILITY_OC2007R2) && local->type == NICE_CANDIDATE_TYPE_SERVER_REFLEXIVE) { return FALSE; } /* note: match pairs only if transport and address family are the same */ if (local->transport == remote->transport && local->addr.s.addr.sa_family == remote->addr.s.addr.sa_family) { priv_add_new_check_pair (agent, stream_id, component, local, remote, NICE_CHECK_FROZEN, FALSE); ret = TRUE; if (component->state < NICE_COMPONENT_STATE_CONNECTED) { agent_signal_component_state_change (agent, stream_id, component->id, NICE_COMPONENT_STATE_CONNECTING); } else { agent_signal_component_state_change (agent, stream_id, component->id, NICE_COMPONENT_STATE_CONNECTED); } } return ret; } /* * Forms new candidate pairs by matching the new remote candidate * 'remote_cand' with all existing local candidates of 'component'. * Implements the logic described in ICE sect 5.7.1. "Forming Candidate * Pairs" (ID-19). * * @param agent context * @param component pointer to the component * @param remote remote candidate to match with * * @return number of checks added, negative on fatal errors */ int conn_check_add_for_candidate (NiceAgent *agent, guint stream_id, Component *component, NiceCandidate *remote) { GSList *i; int added = 0; int ret = 0; for (i = component->local_candidates; i ; i = i->next) { NiceCandidate *local = i->data; ret = priv_conn_check_add_for_candidate_pair (agent, stream_id, component, local, remote); if (ret) { ++added; } } return added; } /* * Forms new candidate pairs by matching the new local candidate * 'local_cand' with all existing remote candidates of 'component'. * * @param agent context * @param component pointer to the component * @param local local candidate to match with * * @return number of checks added, negative on fatal errors */ int conn_check_add_for_local_candidate (NiceAgent *agent, guint stream_id, Component *component, NiceCandidate *local) { GSList *i; int added = 0; int ret = 0; for (i = component->remote_candidates; i ; i = i->next) { NiceCandidate *remote = i->data; ret = priv_conn_check_add_for_candidate_pair (agent, stream_id, component, local, remote); if (ret) { ++added; } } return added; } /* * Frees the CandidateCheckPair structure pointer to * by 'user data'. Compatible with g_slist_foreach(). */ void conn_check_free_item (gpointer data, gpointer user_data) { CandidateCheckPair *pair = data; g_assert (user_data == NULL); pair->stun_message.buffer = NULL; pair->stun_message.buffer_len = 0; g_slice_free (CandidateCheckPair, pair); } /* * Frees all resources of all connectivity checks. */ void conn_check_free (NiceAgent *agent) { GSList *i; for (i = agent->streams; i; i = i->next) { Stream *stream = i->data; nice_debug ("Agent %p, freeing conncheck_list of stream %p", agent, stream); if (stream->conncheck_list) { g_slist_foreach (stream->conncheck_list, conn_check_free_item, NULL); g_slist_free (stream->conncheck_list), stream->conncheck_list = NULL; } } if (agent->conncheck_timer_source != NULL) { g_source_destroy (agent->conncheck_timer_source); g_source_unref (agent->conncheck_timer_source); agent->conncheck_timer_source = NULL; } } /* * Prunes the list of connectivity checks for items related * to stream 'stream_id'. * * @return TRUE on success, FALSE on a fatal error */ gboolean conn_check_prune_stream (NiceAgent *agent, Stream *stream) { CandidateCheckPair *pair; GSList *i; for (i = stream->conncheck_list; i ; ) { GSList *next = i->next; pair = i->data; g_assert (pair->stream_id == stream->id); stream->conncheck_list = g_slist_remove (stream->conncheck_list, pair); conn_check_free_item (pair, NULL); i = next; if (!stream->conncheck_list) break; } if (!stream->conncheck_list) conn_check_free (agent); /* return FALSE if there was a memory allocation failure */ if (stream->conncheck_list == NULL && i != NULL) return FALSE; return TRUE; } /* * Fills 'dest' with a username string for use in an outbound connectivity * checks. No more than 'dest_len' characters (including terminating * NULL) is ever written to the 'dest'. */ static size_t priv_gen_username (NiceAgent *agent, guint component_id, gchar *remote, gchar *local, uint8_t *dest, guint dest_len) { guint len = 0; gsize remote_len = strlen (remote); gsize local_len = strlen (local); if (remote_len > 0 && local_len > 0) { if (agent->compatibility == NICE_COMPATIBILITY_RFC5245 && dest_len >= remote_len + local_len + 1) { memcpy (dest, remote, remote_len); len += remote_len; memcpy (dest + len, ":", 1); len++; memcpy (dest + len, local, local_len); len += local_len; } else if ((agent->compatibility == NICE_COMPATIBILITY_WLM2009 || agent->compatibility == NICE_COMPATIBILITY_OC2007R2) && dest_len >= remote_len + local_len + 4 ) { memcpy (dest, remote, remote_len); len += remote_len; memcpy (dest + len, ":", 1); len++; memcpy (dest + len, local, local_len); len += local_len; if (len % 4 != 0) { memset (dest + len, 0, 4 - (len % 4)); len += 4 - (len % 4); } } else if (agent->compatibility == NICE_COMPATIBILITY_GOOGLE && dest_len >= remote_len + local_len) { memcpy (dest, remote, remote_len); len += remote_len; memcpy (dest + len, local, local_len); len += local_len; } else if (agent->compatibility == NICE_COMPATIBILITY_MSN || agent->compatibility == NICE_COMPATIBILITY_OC2007) { gchar component_str[10]; guchar *local_decoded = NULL; guchar *remote_decoded = NULL; gsize local_decoded_len; gsize remote_decoded_len; gsize total_len; int padding; g_snprintf (component_str, sizeof(component_str), "%d", component_id); local_decoded = g_base64_decode (local, &local_decoded_len); remote_decoded = g_base64_decode (remote, &remote_decoded_len); total_len = remote_decoded_len + local_decoded_len + 3 + 2*strlen (component_str); padding = 4 - (total_len % 4); if (dest_len >= total_len + padding) { guchar pad_char[1] = {0}; int i; memcpy (dest, remote_decoded, remote_decoded_len); len += remote_decoded_len; memcpy (dest + len, ":", 1); len++; memcpy (dest + len, component_str, strlen (component_str)); len += strlen (component_str); memcpy (dest + len, ":", 1); len++; memcpy (dest + len, local_decoded, local_decoded_len); len += local_decoded_len; memcpy (dest + len, ":", 1); len++; memcpy (dest + len, component_str, strlen (component_str));; len += strlen (component_str); for (i = 0; i < padding; i++) { memcpy (dest + len, pad_char, 1); len++; } } g_free (local_decoded); g_free (remote_decoded); } } return len; } /* * Fills 'dest' with a username string for use in an outbound connectivity * checks. No more than 'dest_len' characters (including terminating * NULL) is ever written to the 'dest'. */ static size_t priv_create_username (NiceAgent *agent, Stream *stream, guint component_id, NiceCandidate *remote, NiceCandidate *local, uint8_t *dest, guint dest_len, gboolean inbound) { gchar *local_username = NULL; gchar *remote_username = NULL; if (remote && remote->username) { remote_username = remote->username; } if (local && local->username) { local_username = local->username; } if (stream) { if (remote_username == NULL) { remote_username = stream->remote_ufrag; } if (local_username == NULL) { local_username = stream->local_ufrag; } } if (local_username && remote_username) { if (inbound) { return priv_gen_username (agent, component_id, local_username, remote_username, dest, dest_len); } else { return priv_gen_username (agent, component_id, remote_username, local_username, dest, dest_len); } } return 0; } /* * Returns a password string for use in an outbound connectivity * check. */ static size_t priv_get_password (NiceAgent *agent, Stream *stream, NiceCandidate *remote, uint8_t **password) { if (agent->compatibility == NICE_COMPATIBILITY_GOOGLE) return 0; if (remote && remote->password) { *password = (uint8_t *)remote->password; return strlen (remote->password); } if (stream) { *password = (uint8_t *)stream->remote_password; return strlen (stream->remote_password); } return 0; } /* * Sends a connectivity check over candidate pair 'pair'. * * @return zero on success, non-zero on error */ int conn_check_send (NiceAgent *agent, CandidateCheckPair *pair) { /* note: following information is supplied: * - username (for USERNAME attribute) * - password (for MESSAGE-INTEGRITY) * - priority (for PRIORITY) * - ICE-CONTROLLED/ICE-CONTROLLING (for role conflicts) * - USE-CANDIDATE (if sent by the controlling agent) */ guint32 priority = nice_candidate_ice_priority_full ( NICE_CANDIDATE_TYPE_PREF_PEER_REFLEXIVE, 1, pair->local->component_id); uint8_t uname[NICE_STREAM_MAX_UNAME]; size_t uname_len = priv_create_username (agent, agent_find_stream (agent, pair->stream_id), pair->component_id, pair->remote, pair->local, uname, sizeof (uname), FALSE); uint8_t *password = NULL; size_t password_len = priv_get_password (agent, agent_find_stream (agent, pair->stream_id), pair->remote, &password); bool controlling = agent->controlling_mode; /* XXX: add API to support different nomination modes: */ bool cand_use = controlling; size_t buffer_len; unsigned int timeout; if (agent->compatibility == NICE_COMPATIBILITY_MSN || agent->compatibility == NICE_COMPATIBILITY_OC2007) { password = g_base64_decode ((gchar *) password, &password_len); } { gchar tmpbuf[INET6_ADDRSTRLEN]; nice_address_to_string (&pair->remote->addr, tmpbuf); nice_debug ("Agent %p : STUN-CC REQ to '%s:%u', socket=%u, pair=%s (c-id:%u), tie=%llu, username='%s' (%d), password='%s' (%d), priority=%u.", agent, tmpbuf, nice_address_get_port (&pair->remote->addr), g_socket_get_fd(((NiceSocket *)pair->local->sockptr)->fileno), pair->foundation, pair->component_id, (unsigned long long)agent->tie_breaker, uname, uname_len, password, password_len, priority); } if (cand_use) pair->nominated = controlling; if (uname_len > 0) { buffer_len = stun_usage_ice_conncheck_create (&agent->stun_agent, &pair->stun_message, pair->stun_buffer, sizeof(pair->stun_buffer), uname, uname_len, password, password_len, cand_use, controlling, priority, agent->tie_breaker, pair->foundation, agent_to_ice_compatibility (agent)); nice_debug ("Agent %p: conncheck created %d - %p", agent, buffer_len, pair->stun_message.buffer); if (agent->compatibility == NICE_COMPATIBILITY_MSN || agent->compatibility == NICE_COMPATIBILITY_OC2007) { g_free (password); } if (buffer_len > 0) { stun_timer_start (&pair->timer, STUN_TIMER_DEFAULT_TIMEOUT, STUN_TIMER_DEFAULT_MAX_RETRANSMISSIONS); /* send the conncheck */ nice_socket_send (pair->local->sockptr, &pair->remote->addr, buffer_len, (gchar *)pair->stun_buffer); timeout = stun_timer_remainder (&pair->timer); /* note: convert from milli to microseconds for g_time_val_add() */ g_get_current_time (&pair->next_tick); g_time_val_add (&pair->next_tick, timeout * 1000); } else { nice_debug ("Agent %p: buffer is empty, cancelling conncheck", agent); pair->stun_message.buffer = NULL; pair->stun_message.buffer_len = 0; return -1; } } else { nice_debug ("Agent %p: no credentials found, cancelling conncheck", agent); pair->stun_message.buffer = NULL; pair->stun_message.buffer_len = 0; return -1; } return 0; } /* * Implemented the pruning steps described in ICE sect 8.1.2 * "Updating States" (ID-19) after a pair has been nominated. * * @see priv_update_check_list_state_failed_components() */ static guint priv_prune_pending_checks (Stream *stream, guint component_id) { GSList *i; guint64 highest_nominated_priority = 0; guint in_progress = 0; nice_debug ("Agent XXX: Finding highest priority for component %d", component_id); for (i = stream->conncheck_list; i; i = i->next) { CandidateCheckPair *p = i->data; if (p->component_id == component_id && (p->state == NICE_CHECK_SUCCEEDED || p->state == NICE_CHECK_DISCOVERED) && p->nominated == TRUE){ if (p->priority > highest_nominated_priority) { highest_nominated_priority = p->priority; } } } nice_debug ("Agent XXX: Pruning pending checks. Highest nominated priority " "is %" G_GUINT64_FORMAT, highest_nominated_priority); /* step: cancel all FROZEN and WAITING pairs for the component */ for (i = stream->conncheck_list; i; i = i->next) { CandidateCheckPair *p = i->data; if (p->component_id == component_id) { if (p->state == NICE_CHECK_FROZEN || p->state == NICE_CHECK_WAITING) { p->state = NICE_CHECK_CANCELLED; nice_debug ("Agent XXX : pair %p state CANCELED", p); } /* note: a SHOULD level req. in ICE 8.1.2. "Updating States" (ID-19) */ if (p->state == NICE_CHECK_IN_PROGRESS) { if (highest_nominated_priority != 0 && p->priority < highest_nominated_priority) { p->stun_message.buffer = NULL; p->stun_message.buffer_len = 0; p->state = NICE_CHECK_CANCELLED; nice_debug ("Agent XXX : pair %p state CANCELED", p); } else { /* We must keep the higher priority pairs running because if a udp * packet was lost, we might end up using a bad candidate */ nice_debug ("Agent XXX : pair %p kept IN_PROGRESS because priority %" G_GUINT64_FORMAT " is higher than currently nominated pair %" G_GUINT64_FORMAT, p, p->priority, highest_nominated_priority); in_progress++; } } } } return in_progress; } /* * Schedules a triggered check after a successfully inbound * connectivity check. Implements ICE sect 7.2.1.4 "Triggered Checks" (ID-19). * * @param agent self pointer * @param component the check is related to * @param local_socket socket from which the inbound check was received * @param remote_cand remote candidate from which the inbound check was sent * @param use_candidate whether the original check had USE-CANDIDATE attribute set */ static gboolean priv_schedule_triggered_check (NiceAgent *agent, Stream *stream, Component *component, NiceSocket *local_socket, NiceCandidate *remote_cand, gboolean use_candidate) { GSList *i; NiceCandidate *local = NULL; for (i = stream->conncheck_list; i ; i = i->next) { CandidateCheckPair *p = i->data; if (p->component_id == component->id && p->remote == remote_cand && p->local->sockptr == local_socket) { nice_debug ("Agent %p : Found a matching pair %p for triggered check.", agent, p); if (p->state == NICE_CHECK_WAITING || p->state == NICE_CHECK_FROZEN) priv_conn_check_initiate (agent, p); else if (p->state == NICE_CHECK_IN_PROGRESS) { /* XXX: according to ICE 7.2.1.4 "Triggered Checks" (ID-19), * we should cancel the existing one, instead we reset our timer, so * we'll resend the exiting transactions faster if needed...? :P */ nice_debug ("Agent %p : check already in progress, " "restarting the timer again?: %s ..", agent, p->timer_restarted ? "no" : "yes"); if (!p->timer_restarted) { stun_timer_start (&p->timer, STUN_TIMER_DEFAULT_TIMEOUT, STUN_TIMER_DEFAULT_MAX_RETRANSMISSIONS); p->timer_restarted = TRUE; } } else if (p->state == NICE_CHECK_SUCCEEDED || p->state == NICE_CHECK_DISCOVERED) { nice_debug ("Agent %p : Skipping triggered check, already completed..", agent); /* note: this is a bit unsure corner-case -- let's do the same state update as for processing responses to our own checks */ priv_update_check_list_state_for_ready (agent, stream, component); /* note: to take care of the controlling-controlling case in * aggressive nomination mode, send a new triggered * check to nominate the pair */ if ((agent->compatibility == NICE_COMPATIBILITY_RFC5245 || agent->compatibility == NICE_COMPATIBILITY_WLM2009 || agent->compatibility == NICE_COMPATIBILITY_OC2007R2) && agent->controlling_mode) priv_conn_check_initiate (agent, p); } else if (p->state == NICE_CHECK_FAILED) { /* 7.2.1.4 Triggered Checks * If the state of the pair is Failed, it is changed to Waiting and the agent MUST create a new connectivity check for that pair (representing a new STUN Binding request transaction), by enqueueing the pair in the triggered check queue. */ priv_conn_check_initiate (agent, p); } /* note: the spec says the we SHOULD retransmit in-progress * checks immediately, but we won't do that now */ return TRUE; } } for (i = component->local_candidates; i ; i = i->next) { local = i->data; if (local->sockptr == local_socket) break; } if (i) { nice_debug ("Agent %p : Adding a triggered check to conn.check list (local=%p).", agent, local); priv_add_new_check_pair (agent, stream->id, component, local, remote_cand, NICE_CHECK_WAITING, use_candidate); return TRUE; } else { nice_debug ("Agent %p : Didn't find a matching pair for triggered check (remote-cand=%p).", agent, remote_cand); return FALSE; } } /* * Sends a reply to an successfully received STUN connectivity * check request. Implements parts of the ICE spec section 7.2 (STUN * Server Procedures). * * @param agent context pointer * @param stream which stream (of the agent) * @param component which component (of the stream) * @param rcand remote candidate from which the request came, if NULL, * the response is sent immediately but no other processing is done * @param toaddr address to which reply is sent * @param socket the socket over which the request came * @param rbuf_len length of STUN message to send * @param rbuf buffer containing the STUN message to send * @param use_candidate whether the request had USE_CANDIDATE attribute * * @pre (rcand == NULL || nice_address_equal(rcand->addr, toaddr) == TRUE) */ static void priv_reply_to_conn_check (NiceAgent *agent, Stream *stream, Component *component, NiceCandidate *rcand, const NiceAddress *toaddr, NiceSocket *socket, size_t rbuf_len, uint8_t *rbuf, gboolean use_candidate) { g_assert (rcand == NULL || nice_address_equal(&rcand->addr, toaddr) == TRUE); { gchar tmpbuf[INET6_ADDRSTRLEN]; nice_address_to_string (toaddr, tmpbuf); nice_debug ("Agent %p : STUN-CC RESP to '%s:%u', socket=%u, len=%u, cand=%p (c-id:%u), use-cand=%d.", agent, tmpbuf, nice_address_get_port (toaddr), g_socket_get_fd(socket->fileno), (unsigned)rbuf_len, rcand, component->id, (int)use_candidate); } nice_socket_send (socket, toaddr, rbuf_len, (const gchar*)rbuf); if (rcand) { /* note: upon successful check, make the reserve check immediately */ priv_schedule_triggered_check (agent, stream, component, socket, rcand, use_candidate); if (use_candidate) priv_mark_pair_nominated (agent, stream, component, rcand); } } /* * Stores information of an incoming STUN connectivity check * for later use. This is only needed when a check is received * before we get information about the remote candidates (via * SDP or other signaling means). * * @return non-zero on error, zero on success */ static int priv_store_pending_check (NiceAgent *agent, Component *component, const NiceAddress *from, NiceSocket *socket, uint8_t *username, uint16_t username_len, uint32_t priority, gboolean use_candidate) { IncomingCheck *icheck; nice_debug ("Agent %p : Storing pending check.", agent); if (component->incoming_checks && g_slist_length (component->incoming_checks) >= NICE_AGENT_MAX_REMOTE_CANDIDATES) { nice_debug ("Agent %p : WARN: unable to store information for early incoming check.", agent); return -1; } icheck = g_slice_new0 (IncomingCheck); component->incoming_checks = g_slist_append (component->incoming_checks, icheck); icheck->from = *from; icheck->local_socket = socket; icheck->priority = priority; icheck->use_candidate = use_candidate; icheck->username_len = username_len; icheck->username = NULL; if (username_len > 0) icheck->username = g_memdup (username, username_len); return 0; } /* * Adds a new pair, discovered from an incoming STUN response, to * the connectivity check list. * * @return created pair, or NULL on fatal (memory allocation) errors */ static CandidateCheckPair *priv_add_peer_reflexive_pair (NiceAgent *agent, guint stream_id, guint component_id, NiceCandidate *local_cand, CandidateCheckPair *parent_pair) { CandidateCheckPair *pair = g_slice_new0 (CandidateCheckPair); Stream *stream = agent_find_stream (agent, stream_id); stream->conncheck_list = g_slist_append (stream->conncheck_list, pair); pair->agent = agent; pair->stream_id = stream_id; pair->component_id = component_id;; pair->local = local_cand; pair->remote = parent_pair->remote; pair->state = NICE_CHECK_DISCOVERED; nice_debug ("Agent %p : pair %p state DISCOVERED", agent, pair); g_snprintf (pair->foundation, NICE_CANDIDATE_PAIR_MAX_FOUNDATION, "%s:%s", local_cand->foundation, parent_pair->remote->foundation); if (agent->controlling_mode == TRUE) pair->priority = nice_candidate_pair_priority (pair->local->priority, pair->remote->priority); else pair->priority = nice_candidate_pair_priority (pair->remote->priority, pair->local->priority); pair->nominated = FALSE; pair->controlling = agent->controlling_mode; nice_debug ("Agent %p : added a new peer-discovered pair with foundation of '%s'.", agent, pair->foundation); return pair; } /* * Recalculates priorities of all candidate pairs. This * is required after a conflict in ICE roles. */ static void priv_recalculate_pair_priorities (NiceAgent *agent) { GSList *i, *j; for (i = agent->streams; i; i = i->next) { Stream *stream = i->data; for (j = stream->conncheck_list; j; j = j->next) { CandidateCheckPair *p = j->data; p->priority = agent_candidate_pair_priority (agent, p->local, p->remote); } } } /* * Change the agent role if different from 'control'. Can be * initiated both by handling of incoming connectivity checks, * and by processing the responses to checks sent by us. */ static void priv_check_for_role_conflict (NiceAgent *agent, gboolean control) { /* role conflict, change mode; wait for a new conn. check */ if (control != agent->controlling_mode) { nice_debug ("Agent %p : Role conflict, changing agent role to %d.", agent, control); agent->controlling_mode = control; /* the pair priorities depend on the roles, so recalculation * is needed */ priv_recalculate_pair_priorities (agent); } else nice_debug ("Agent %p : Role conflict, agent role already changed to %d.", agent, control); } /* * Checks whether the mapped address in connectivity check response * matches any of the known local candidates. If not, apply the * mechanism for "Discovering Peer Reflexive Candidates" ICE ID-19) * * @param agent context pointer * @param stream which stream (of the agent) * @param component which component (of the stream) * @param p the connectivity check pair for which we got a response * @param socketptr socket used to send the reply * @param mapped_sockaddr mapped address in the response * * @return pointer to a new pair if one was created, otherwise NULL */ static CandidateCheckPair *priv_process_response_check_for_peer_reflexive(NiceAgent *agent, Stream *stream, Component *component, CandidateCheckPair *p, NiceSocket *sockptr, struct sockaddr *mapped_sockaddr, NiceCandidate *local_candidate, NiceCandidate *remote_candidate) { CandidateCheckPair *new_pair = NULL; NiceAddress mapped; GSList *j; gboolean local_cand_matches = FALSE; nice_address_set_from_sockaddr (&mapped, mapped_sockaddr); for (j = component->local_candidates; j; j = j->next) { NiceCandidate *cand = j->data; if (nice_address_equal (&mapped, &cand->addr)) { local_cand_matches = TRUE; break; } } if (local_cand_matches == TRUE) { /* note: this is same as "adding to VALID LIST" in the spec text */ p->state = NICE_CHECK_SUCCEEDED; nice_debug ("Agent %p : conncheck %p SUCCEEDED.", agent, p); priv_conn_check_unfreeze_related (agent, stream, p); } else { NiceCandidate *cand = discovery_add_peer_reflexive_candidate (agent, stream->id, component->id, &mapped, sockptr, local_candidate, remote_candidate); p->state = NICE_CHECK_FAILED; nice_debug ("Agent %p : pair %p state FAILED", agent, p); /* step: add a new discovered pair (see ICE 7.1.2.2.2 "Constructing a Valid Pair" (ID-19)) */ new_pair = priv_add_peer_reflexive_pair (agent, stream->id, component->id, cand, p); nice_debug ("Agent %p : conncheck %p FAILED, %p DISCOVERED.", agent, p, new_pair); } return new_pair; } /* * Tries to match STUN reply in 'buf' to an existing STUN connectivity * check transaction. If found, the reply is processed. Implements * section 7.1.2 "Processing the Response" of ICE spec (ID-19). * * @return TRUE if a matching transaction is found */ static gboolean priv_map_reply_to_conn_check_request (NiceAgent *agent, Stream *stream, Component *component, NiceSocket *sockptr, const NiceAddress *from, NiceCandidate *local_candidate, NiceCandidate *remote_candidate, StunMessage *resp) { struct sockaddr_storage sockaddr; socklen_t socklen = sizeof (sockaddr); GSList *i; StunUsageIceReturn res; gboolean trans_found = FALSE; StunTransactionId discovery_id; StunTransactionId response_id; stun_message_id (resp, response_id); for (i = stream->conncheck_list; i && trans_found != TRUE; i = i->next) { CandidateCheckPair *p = i->data; if (p->stun_message.buffer) { stun_message_id (&p->stun_message, discovery_id); if (memcmp (discovery_id, response_id, sizeof(StunTransactionId)) == 0) { res = stun_usage_ice_conncheck_process (resp, (struct sockaddr *) &sockaddr, &socklen, agent_to_ice_compatibility (agent)); nice_debug ("Agent %p : stun_bind_process/conncheck for %p res %d " "(controlling=%d).", agent, p, (int)res, agent->controlling_mode); if (res == STUN_USAGE_ICE_RETURN_SUCCESS || res == STUN_USAGE_ICE_RETURN_NO_MAPPED_ADDRESS) { /* case: found a matching connectivity check request */ CandidateCheckPair *ok_pair = NULL; nice_debug ("Agent %p : conncheck %p MATCHED.", agent, p); p->stun_message.buffer = NULL; p->stun_message.buffer_len = 0; /* step: verify that response came from the same IP address we * sent the original request to (see 7.1.2.1. "Failure * Cases") */ if (nice_address_equal (from, &p->remote->addr) != TRUE) { gchar tmpbuf[INET6_ADDRSTRLEN]; gchar tmpbuf2[INET6_ADDRSTRLEN]; p->state = NICE_CHECK_FAILED; nice_debug ("Agent %p : conncheck %p FAILED" " (mismatch of source address).", agent, p); nice_address_to_string (&p->remote->addr, tmpbuf); nice_address_to_string (from, tmpbuf2); nice_debug ("Agent %p : '%s:%u' != '%s:%u'", agent, tmpbuf, nice_address_get_port (&p->remote->addr), tmpbuf2, nice_address_get_port (from)); trans_found = TRUE; break; } /* note: CONNECTED but not yet READY, see docs */ /* step: handle the possible case of a peer-reflexive * candidate where the mapped-address in response does * not match any local candidate, see 7.1.2.2.1 * "Discovering Peer Reflexive Candidates" ICE ID-19) */ if (res == STUN_USAGE_ICE_RETURN_NO_MAPPED_ADDRESS) { /* note: this is same as "adding to VALID LIST" in the spec text */ p->state = NICE_CHECK_SUCCEEDED; nice_debug ("Agent %p : Mapped address not found." " conncheck %p SUCCEEDED.", agent, p); priv_conn_check_unfreeze_related (agent, stream, p); } else { ok_pair = priv_process_response_check_for_peer_reflexive(agent, stream, component, p, sockptr, (struct sockaddr *) &sockaddr, local_candidate, remote_candidate); } if (!ok_pair) ok_pair = p; /* Do not step down to CONNECTED if we're already at state READY*/ if (component->state != NICE_COMPONENT_STATE_READY) { /* step: notify the client of a new component state (must be done * before the possible check list state update step */ agent_signal_component_state_change (agent, stream->id, component->id, NICE_COMPONENT_STATE_CONNECTED); } /* step: updating nominated flag (ICE 7.1.2.2.4 "Updating the Nominated Flag" (ID-19) */ if (ok_pair->nominated == TRUE) priv_update_selected_pair (agent, component, ok_pair); /* step: update pair states (ICE 7.1.2.2.3 "Updating pair states" and 8.1.2 "Updating States", ID-19) */ priv_update_check_list_state_for_ready (agent, stream, component); trans_found = TRUE; } else if (res == STUN_USAGE_ICE_RETURN_ROLE_CONFLICT) { /* case: role conflict error, need to restart with new role */ nice_debug ("Agent %p : conncheck %p ROLE CONFLICT, restarting", agent, p); /* note: our role might already have changed due to an * incoming request, but if not, change role now; * follows ICE 7.1.2.1 "Failure Cases" (ID-19) */ priv_check_for_role_conflict (agent, !p->controlling); p->stun_message.buffer = NULL; p->stun_message.buffer_len = 0; p->state = NICE_CHECK_WAITING; nice_debug ("Agent %p : pair %p state WAITING", agent, p); trans_found = TRUE; } else { /* case: STUN error, the check STUN context was freed */ nice_debug ("Agent %p : conncheck %p FAILED.", agent, p); p->stun_message.buffer = NULL; p->stun_message.buffer_len = 0; trans_found = TRUE; } } } } return trans_found; } /* * Tries to match STUN reply in 'buf' to an existing STUN discovery * transaction. If found, a reply is sent. * * @return TRUE if a matching transaction is found */ static gboolean priv_map_reply_to_discovery_request (NiceAgent *agent, StunMessage *resp) { struct sockaddr_storage sockaddr; socklen_t socklen = sizeof (sockaddr); struct sockaddr_storage alternate; socklen_t alternatelen = sizeof (sockaddr); GSList *i; StunUsageBindReturn res; gboolean trans_found = FALSE; StunTransactionId discovery_id; StunTransactionId response_id; stun_message_id (resp, response_id); for (i = agent->discovery_list; i && trans_found != TRUE; i = i->next) { CandidateDiscovery *d = i->data; if (d->type == NICE_CANDIDATE_TYPE_SERVER_REFLEXIVE && d->stun_message.buffer) { stun_message_id (&d->stun_message, discovery_id); if (memcmp (discovery_id, response_id, sizeof(StunTransactionId)) == 0) { res = stun_usage_bind_process (resp, (struct sockaddr *) &sockaddr, &socklen, (struct sockaddr *) &alternate, &alternatelen); nice_debug ("Agent %p : stun_bind_process/disc for %p res %d.", agent, d, (int)res); if (res == STUN_USAGE_BIND_RETURN_ALTERNATE_SERVER) { /* handle alternate server */ NiceAddress niceaddr; nice_address_set_from_sockaddr (&niceaddr, (struct sockaddr *) &alternate); d->server = niceaddr; d->pending = FALSE; } else if (res == STUN_USAGE_BIND_RETURN_SUCCESS) { /* case: successful binding discovery, create a new local candidate */ NiceAddress niceaddr; nice_address_set_from_sockaddr (&niceaddr, (struct sockaddr *) &sockaddr); discovery_add_server_reflexive_candidate ( d->agent, d->stream->id, d->component->id, &niceaddr, d->nicesock); d->stun_message.buffer = NULL; d->stun_message.buffer_len = 0; d->done = TRUE; trans_found = TRUE; } else if (res == STUN_USAGE_BIND_RETURN_ERROR) { /* case: STUN error, the check STUN context was freed */ d->stun_message.buffer = NULL; d->stun_message.buffer_len = 0; d->done = TRUE; trans_found = TRUE; } } } } return trans_found; } static CandidateRefresh * priv_add_new_turn_refresh (CandidateDiscovery *cdisco, NiceCandidate *relay_cand, guint lifetime) { CandidateRefresh *cand; NiceAgent *agent = cdisco->agent; cand = g_slice_new0 (CandidateRefresh); agent->refresh_list = g_slist_append (agent->refresh_list, cand); cand->nicesock = cdisco->nicesock; cand->relay_socket = relay_cand->sockptr; cand->server = cdisco->server; cand->turn = cdisco->turn; cand->stream = cdisco->stream; cand->component = cdisco->component; cand->agent = cdisco->agent; memcpy (&cand->stun_agent, &cdisco->stun_agent, sizeof(StunAgent)); /* Use previous stun response for authentication credentials */ if (cdisco->stun_resp_msg.buffer != NULL) { memcpy(cand->stun_resp_buffer, cdisco->stun_resp_buffer, sizeof(cand->stun_resp_buffer)); memcpy(&cand->stun_resp_msg, &cdisco->stun_resp_msg, sizeof(StunMessage)); cand->stun_resp_msg.buffer = cand->stun_resp_buffer; cand->stun_resp_msg.agent = NULL; cand->stun_resp_msg.key = NULL; } nice_debug ("Agent %p : Adding new refresh candidate %p with timeout %d", agent, cand, (lifetime - 60) * 1000); /* step: also start the refresh timer */ /* refresh should be sent 1 minute before it expires */ cand->timer_source = agent_timeout_add_with_context (agent, (lifetime - 60) * 1000, priv_turn_allocate_refresh_tick, cand); nice_debug ("timer source is : %d", cand->timer_source); return cand; } /* * Tries to match STUN reply in 'buf' to an existing STUN discovery * transaction. If found, a reply is sent. * * @return TRUE if a matching transaction is found */ static gboolean priv_map_reply_to_relay_request (NiceAgent *agent, StunMessage *resp) { struct sockaddr_storage sockaddr; socklen_t socklen = sizeof (sockaddr); struct sockaddr_storage alternate; socklen_t alternatelen = sizeof (alternate); struct sockaddr_storage relayaddr; socklen_t relayaddrlen = sizeof (relayaddr); uint32_t lifetime; uint32_t bandwidth; GSList *i; StunUsageTurnReturn res; gboolean trans_found = FALSE; StunTransactionId discovery_id; StunTransactionId response_id; stun_message_id (resp, response_id); for (i = agent->discovery_list; i && trans_found != TRUE; i = i->next) { CandidateDiscovery *d = i->data; if (d->type == NICE_CANDIDATE_TYPE_RELAYED && d->stun_message.buffer) { stun_message_id (&d->stun_message, discovery_id); if (memcmp (discovery_id, response_id, sizeof(StunTransactionId)) == 0) { res = stun_usage_turn_process (resp, (struct sockaddr *) &relayaddr, &relayaddrlen, (struct sockaddr *) &sockaddr, &socklen, (struct sockaddr *) &alternate, &alternatelen, &bandwidth, &lifetime, agent_to_turn_compatibility (agent)); nice_debug ("Agent %p : stun_turn_process/disc for %p res %d.", agent, d, (int)res); if (res == STUN_USAGE_TURN_RETURN_ALTERNATE_SERVER) { /* handle alternate server */ nice_address_set_from_sockaddr (&d->server, (struct sockaddr *) &alternate); nice_address_set_from_sockaddr (&d->turn->server, (struct sockaddr *) &alternate); d->pending = FALSE; } else if (res == STUN_USAGE_TURN_RETURN_RELAY_SUCCESS || res == STUN_USAGE_TURN_RETURN_MAPPED_SUCCESS) { /* case: successful allocate, create a new local candidate */ NiceAddress niceaddr; NiceCandidate *relay_cand; /* Server reflexive candidates are only valid for UDP sockets */ if (res == STUN_USAGE_TURN_RETURN_MAPPED_SUCCESS && !nice_socket_is_reliable (d->nicesock)) { /* We also received our mapped address */ nice_address_set_from_sockaddr (&niceaddr, (struct sockaddr *) &sockaddr); discovery_add_server_reflexive_candidate ( d->agent, d->stream->id, d->component->id, &niceaddr, d->nicesock); } nice_address_set_from_sockaddr (&niceaddr, (struct sockaddr *) &relayaddr); relay_cand = discovery_add_relay_candidate ( d->agent, d->stream->id, d->component->id, &niceaddr, d->nicesock, d->turn); if (relay_cand) { priv_add_new_turn_refresh (d, relay_cand, lifetime); if (agent->compatibility == NICE_COMPATIBILITY_OC2007 || agent->compatibility == NICE_COMPATIBILITY_OC2007R2) { /* These data are needed on TURN socket when sending requests, * but never reach nice_turn_socket_parse_recv() where it could * be read directly, as the socket does not exist when allocate * response arrives to _nice_agent_recv(). We must set them right * after socket gets created in discovery_add_relay_candidate(), * so we are doing it here. */ nice_turn_socket_set_ms_realm(relay_cand->sockptr, &d->stun_message); nice_turn_socket_set_ms_connection_id(relay_cand->sockptr, resp); } } d->stun_message.buffer = NULL; d->stun_message.buffer_len = 0; d->done = TRUE; trans_found = TRUE; } else if (res == STUN_USAGE_TURN_RETURN_ERROR) { int code = -1; uint8_t *sent_realm = NULL; uint8_t *recv_realm = NULL; uint16_t sent_realm_len = 0; uint16_t recv_realm_len = 0; sent_realm = (uint8_t *) stun_message_find (&d->stun_message, STUN_ATTRIBUTE_REALM, &sent_realm_len); recv_realm = (uint8_t *) stun_message_find (resp, STUN_ATTRIBUTE_REALM, &recv_realm_len); /* check for unauthorized error response */ if ((agent->compatibility == NICE_COMPATIBILITY_RFC5245 || agent->compatibility == NICE_COMPATIBILITY_OC2007 || agent->compatibility == NICE_COMPATIBILITY_OC2007R2) && stun_message_get_class (resp) == STUN_ERROR && stun_message_find_error (resp, &code) == STUN_MESSAGE_RETURN_SUCCESS && recv_realm != NULL && recv_realm_len > 0) { if (code == 438 || (code == 401 && !(recv_realm_len == sent_realm_len && sent_realm != NULL && memcmp (sent_realm, recv_realm, sent_realm_len) == 0))) { d->stun_resp_msg = *resp; memcpy (d->stun_resp_buffer, resp->buffer, stun_message_length (resp)); d->stun_resp_msg.buffer = d->stun_resp_buffer; d->stun_resp_msg.buffer_len = sizeof(d->stun_resp_buffer); d->pending = FALSE; } else { /* case: a real unauthorized error */ d->stun_message.buffer = NULL; d->stun_message.buffer_len = 0; d->done = TRUE; } } else { /* case: STUN error, the check STUN context was freed */ d->stun_message.buffer = NULL; d->stun_message.buffer_len = 0; d->done = TRUE; } trans_found = TRUE; } } } } return trans_found; } /* * Tries to match STUN reply in 'buf' to an existing STUN discovery * transaction. If found, a reply is sent. * * @return TRUE if a matching transaction is found */ static gboolean priv_map_reply_to_relay_refresh (NiceAgent *agent, StunMessage *resp) { uint32_t lifetime; GSList *i; StunUsageTurnReturn res; gboolean trans_found = FALSE; StunTransactionId refresh_id; StunTransactionId response_id; stun_message_id (resp, response_id); for (i = agent->refresh_list; i && trans_found != TRUE; i = i->next) { CandidateRefresh *cand = i->data; if (cand->stun_message.buffer) { stun_message_id (&cand->stun_message, refresh_id); if (memcmp (refresh_id, response_id, sizeof(StunTransactionId)) == 0) { res = stun_usage_turn_refresh_process (resp, &lifetime, agent_to_turn_compatibility (cand->agent)); nice_debug ("Agent %p : stun_turn_refresh_process for %p res %d.", agent, cand, (int)res); if (res == STUN_USAGE_TURN_RETURN_RELAY_SUCCESS) { /* refresh should be sent 1 minute before it expires */ cand->timer_source = agent_timeout_add_with_context (cand->agent, (lifetime - 60) * 1000, priv_turn_allocate_refresh_tick, cand); g_source_destroy (cand->tick_source); g_source_unref (cand->tick_source); cand->tick_source = NULL; } else if (res == STUN_USAGE_TURN_RETURN_ERROR) { int code = -1; uint8_t *sent_realm = NULL; uint8_t *recv_realm = NULL; uint16_t sent_realm_len = 0; uint16_t recv_realm_len = 0; sent_realm = (uint8_t *) stun_message_find (&cand->stun_message, STUN_ATTRIBUTE_REALM, &sent_realm_len); recv_realm = (uint8_t *) stun_message_find (resp, STUN_ATTRIBUTE_REALM, &recv_realm_len); /* check for unauthorized error response */ if (cand->agent->compatibility == NICE_COMPATIBILITY_RFC5245 && stun_message_get_class (resp) == STUN_ERROR && stun_message_find_error (resp, &code) == STUN_MESSAGE_RETURN_SUCCESS && recv_realm != NULL && recv_realm_len > 0) { if (code == 438 || (code == 401 && !(recv_realm_len == sent_realm_len && sent_realm != NULL && memcmp (sent_realm, recv_realm, sent_realm_len) == 0))) { cand->stun_resp_msg = *resp; memcpy (cand->stun_resp_buffer, resp->buffer, stun_message_length (resp)); cand->stun_resp_msg.buffer = cand->stun_resp_buffer; cand->stun_resp_msg.buffer_len = sizeof(cand->stun_resp_buffer); priv_turn_allocate_refresh_tick_unlocked (cand); } else { /* case: a real unauthorized error */ refresh_cancel (cand); } } else { /* case: STUN error, the check STUN context was freed */ refresh_cancel (cand); } trans_found = TRUE; } } } } return trans_found; } static gboolean priv_map_reply_to_keepalive_conncheck (NiceAgent *agent, Component *component, StunMessage *resp) { StunTransactionId conncheck_id; StunTransactionId response_id; stun_message_id (resp, response_id); if (component->selected_pair.keepalive.stun_message.buffer) { stun_message_id (&component->selected_pair.keepalive.stun_message, conncheck_id); if (memcmp (conncheck_id, response_id, sizeof(StunTransactionId)) == 0) { nice_debug ("Agent %p : Keepalive for selected pair received.", agent); if (component->selected_pair.keepalive.tick_source) { g_source_destroy (component->selected_pair.keepalive.tick_source); g_source_unref (component->selected_pair.keepalive.tick_source); component->selected_pair.keepalive.tick_source = NULL; } component->selected_pair.keepalive.stun_message.buffer = NULL; return TRUE; } } return FALSE; } typedef struct { NiceAgent *agent; Stream *stream; Component *component; uint8_t *password; } conncheck_validater_data; static bool conncheck_stun_validater (StunAgent *agent, StunMessage *message, uint8_t *username, uint16_t username_len, uint8_t **password, size_t *password_len, void *user_data) { conncheck_validater_data *data = (conncheck_validater_data*) user_data; GSList *i; gchar *ufrag = NULL; gsize ufrag_len; gboolean msn_msoc_nice_compatibility = data->agent->compatibility == NICE_COMPATIBILITY_MSN || data->agent->compatibility == NICE_COMPATIBILITY_OC2007; if (data->agent->compatibility == NICE_COMPATIBILITY_OC2007 && stun_message_get_class (message) == STUN_RESPONSE) i = data->component->remote_candidates; else i = data->component->local_candidates; for (; i; i = i->next) { NiceCandidate *cand = i->data; ufrag = NULL; if (cand->username) ufrag = cand->username; else if (data->stream) ufrag = data->stream->local_ufrag; ufrag_len = ufrag? strlen (ufrag) : 0; if (ufrag && msn_msoc_nice_compatibility) ufrag = (gchar *)g_base64_decode (ufrag, &ufrag_len); if (ufrag == NULL) continue; stun_debug ("Comparing username '"); stun_debug_bytes (username, username_len); stun_debug ("' (%d) with '", username_len); stun_debug_bytes (ufrag, ufrag_len); stun_debug ("' (%d) : %d\n", ufrag_len, memcmp (username, ufrag, ufrag_len)); if (ufrag_len > 0 && username_len >= ufrag_len && memcmp (username, ufrag, ufrag_len) == 0) { gchar *pass = NULL; if (cand->password) pass = cand->password; else if(data->stream->local_password[0]) pass = data->stream->local_password; if (pass) { *password = (uint8_t *) pass; *password_len = strlen (pass); if (msn_msoc_nice_compatibility) { data->password = g_base64_decode (pass, password_len); *password = data->password; } } if (msn_msoc_nice_compatibility) g_free (ufrag); stun_debug ("Found valid username, returning password: '%s'\n", *password); return TRUE; } if (msn_msoc_nice_compatibility) g_free (ufrag); } return FALSE; } /* * Processing an incoming STUN message. * * @param agent self pointer * @param stream stream the packet is related to * @param component component the packet is related to * @param socket socket from which the packet was received * @param from address of the sender * @param buf message contents * @param buf message length * * @pre contents of 'buf' is a STUN message * * @return XXX (what FALSE means exactly?) */ gboolean conn_check_handle_inbound_stun (NiceAgent *agent, Stream *stream, Component *component, NiceSocket *socket, const NiceAddress *from, gchar *buf, guint len) { struct sockaddr_storage sockaddr; uint8_t rbuf[MAX_STUN_DATAGRAM_PAYLOAD]; ssize_t res; size_t rbuf_len = sizeof (rbuf); bool control = agent->controlling_mode; uint8_t uname[NICE_STREAM_MAX_UNAME]; guint uname_len; uint8_t *username; uint16_t username_len; StunMessage req; StunMessage msg; StunValidationStatus valid; conncheck_validater_data validater_data = {agent, stream, component, NULL}; GSList *i, *j; NiceCandidate *remote_candidate = NULL; NiceCandidate *remote_candidate2 = NULL; NiceCandidate *local_candidate = NULL; gboolean discovery_msg = FALSE; nice_address_copy_to_sockaddr (from, (struct sockaddr *) &sockaddr); /* note: contents of 'buf' already validated, so it is * a valid and fully received STUN message */ #ifndef NDEBUG { gchar tmpbuf[INET6_ADDRSTRLEN]; nice_address_to_string (from, tmpbuf); nice_debug ("Agent %p: inbound STUN packet for %u/%u (stream/component) from [%s]:%u (%u octets) :", agent, stream->id, component->id, tmpbuf, nice_address_get_port (from), len); } #endif /* note: ICE 7.2. "STUN Server Procedures" (ID-19) */ valid = stun_agent_validate (&agent->stun_agent, &req, (uint8_t *) buf, len, conncheck_stun_validater, &validater_data); /* Check for discovery candidates stun agents */ if (valid == STUN_VALIDATION_BAD_REQUEST || valid == STUN_VALIDATION_UNMATCHED_RESPONSE) { for (i = agent->discovery_list; i; i = i->next) { CandidateDiscovery *d = i->data; if (d->stream == stream && d->component == component && d->nicesock == socket) { valid = stun_agent_validate (&d->stun_agent, &req, (uint8_t *) buf, len, conncheck_stun_validater, &validater_data); if (valid == STUN_VALIDATION_UNMATCHED_RESPONSE) continue; discovery_msg = TRUE; break; } } } /* Check for relay refresh stun agents */ if (valid == STUN_VALIDATION_BAD_REQUEST || valid == STUN_VALIDATION_UNMATCHED_RESPONSE) { for (i = agent->refresh_list; i; i = i->next) { CandidateRefresh *r = i->data; nice_debug ("Comparing %p to %p, %p to %p and %p and %p to %p", r->stream, stream, r->component, component, r->nicesock, r->relay_socket, socket); if (r->stream == stream && r->component == component && (r->nicesock == socket || r->relay_socket == socket)) { valid = stun_agent_validate (&r->stun_agent, &req, (uint8_t *) buf, len, conncheck_stun_validater, &validater_data); nice_debug ("Validating gave %d", valid); if (valid == STUN_VALIDATION_UNMATCHED_RESPONSE) continue; discovery_msg = TRUE; break; } } } g_free (validater_data.password); if (valid == STUN_VALIDATION_NOT_STUN || valid == STUN_VALIDATION_INCOMPLETE_STUN || valid == STUN_VALIDATION_BAD_REQUEST) { nice_debug ("Agent %p : Incorrectly multiplexed STUN message ignored.", agent); return FALSE; } if (valid == STUN_VALIDATION_UNKNOWN_REQUEST_ATTRIBUTE) { nice_debug ("Agent %p : Unknown mandatory attributes in message.", agent); if (agent->compatibility != NICE_COMPATIBILITY_MSN && agent->compatibility != NICE_COMPATIBILITY_OC2007) { rbuf_len = stun_agent_build_unknown_attributes_error (&agent->stun_agent, &msg, rbuf, rbuf_len, &req); if (rbuf_len != 0) nice_socket_send (socket, from, rbuf_len, (const gchar*)rbuf); } return TRUE; } if (valid == STUN_VALIDATION_UNAUTHORIZED) { nice_debug ("Agent %p : Integrity check failed.", agent); if (stun_agent_init_error (&agent->stun_agent, &msg, rbuf, rbuf_len, &req, STUN_ERROR_UNAUTHORIZED)) { rbuf_len = stun_agent_finish_message (&agent->stun_agent, &msg, NULL, 0); if (rbuf_len > 0 && agent->compatibility != NICE_COMPATIBILITY_MSN && agent->compatibility != NICE_COMPATIBILITY_OC2007) nice_socket_send (socket, from, rbuf_len, (const gchar*)rbuf); } return TRUE; } if (valid == STUN_VALIDATION_UNAUTHORIZED_BAD_REQUEST) { nice_debug ("Agent %p : Integrity check failed.", agent); if (stun_agent_init_error (&agent->stun_agent, &msg, rbuf, rbuf_len, &req, STUN_ERROR_BAD_REQUEST)) { rbuf_len = stun_agent_finish_message (&agent->stun_agent, &msg, NULL, 0); if (rbuf_len > 0 && agent->compatibility != NICE_COMPATIBILITY_MSN && agent->compatibility != NICE_COMPATIBILITY_OC2007) nice_socket_send (socket, from, rbuf_len, (const gchar*)rbuf); } return TRUE; } username = (uint8_t *) stun_message_find (&req, STUN_ATTRIBUTE_USERNAME, &username_len); for (i = component->remote_candidates; i; i = i->next) { NiceCandidate *cand = i->data; if (nice_address_equal (from, &cand->addr)) { remote_candidate = cand; break; } } if (agent->compatibility == NICE_COMPATIBILITY_GOOGLE || agent->compatibility == NICE_COMPATIBILITY_MSN || agent->compatibility == NICE_COMPATIBILITY_OC2007) { /* We need to find which local candidate was used */ for (i = component->remote_candidates; i != NULL && remote_candidate2 == NULL; i = i->next) { for (j = component->local_candidates; j; j = j->next) { gboolean inbound = TRUE; NiceCandidate *rcand = i->data; NiceCandidate *lcand = j->data; /* If we receive a response, then the username is local:remote */ if (agent->compatibility != NICE_COMPATIBILITY_MSN) { if (stun_message_get_class (&req) == STUN_REQUEST || stun_message_get_class (&req) == STUN_INDICATION) { inbound = TRUE; } else { inbound = FALSE; } } uname_len = priv_create_username (agent, stream, component->id, rcand, lcand, uname, sizeof (uname), inbound); stun_debug ("Comparing username '"); stun_debug_bytes (username, username? username_len : 0); stun_debug ("' (%d) with '", username_len); stun_debug_bytes (uname, uname_len); stun_debug ("' (%d) : %d\n", uname_len, username && uname_len == username_len && memcmp (username, uname, uname_len) == 0); if (username && uname_len == username_len && memcmp (uname, username, username_len) == 0) { local_candidate = lcand; remote_candidate2 = rcand; break; } } } } if (component->remote_candidates && agent->compatibility == NICE_COMPATIBILITY_GOOGLE && local_candidate == NULL && discovery_msg == FALSE) { /* if we couldn't match the username and the stun agent has IGNORE_CREDENTIALS then we have an integrity check failing. This could happen with the race condition of receiving connchecks before the remote candidates are added. Just drop the message, and let the retransmissions make it work. */ nice_debug ("Agent %p : Username check failed.", agent); return TRUE; } if (valid != STUN_VALIDATION_SUCCESS) { nice_debug ("Agent %p : STUN message is unsuccessfull %d, ignoring", agent, valid); return FALSE; } if (stun_message_get_class (&req) == STUN_REQUEST) { if ( agent->compatibility == NICE_COMPATIBILITY_MSN || agent->compatibility == NICE_COMPATIBILITY_OC2007) { if (local_candidate && remote_candidate2) { if (agent->compatibility == NICE_COMPATIBILITY_MSN) { username = (uint8_t *) stun_message_find (&req, STUN_ATTRIBUTE_USERNAME, &username_len); uname_len = priv_create_username (agent, stream, component->id, remote_candidate2, local_candidate, uname, sizeof (uname), FALSE); memcpy (username, uname, username_len); req.key = g_base64_decode ((gchar *) remote_candidate2->password, &req.key_len); } else if (agent->compatibility == NICE_COMPATIBILITY_OC2007) { req.key = g_base64_decode ((gchar *) local_candidate->password, &req.key_len); } } else { nice_debug ("Agent %p : received MSN incoming check from unknown remote candidate. " "Ignoring request", agent); return TRUE; } } rbuf_len = sizeof (rbuf); res = stun_usage_ice_conncheck_create_reply (&agent->stun_agent, &req, &msg, rbuf, &rbuf_len, (struct sockaddr *) &sockaddr, sizeof (sockaddr), &control, agent->tie_breaker, agent_to_ice_compatibility (agent)); if ( agent->compatibility == NICE_COMPATIBILITY_MSN || agent->compatibility == NICE_COMPATIBILITY_OC2007) { g_free (req.key); } if (res == STUN_USAGE_ICE_RETURN_ROLE_CONFLICT) priv_check_for_role_conflict (agent, control); if (res == STUN_USAGE_ICE_RETURN_SUCCESS || res == STUN_USAGE_ICE_RETURN_ROLE_CONFLICT) { /* case 1: valid incoming request, send a reply/error */ bool use_candidate = stun_usage_ice_conncheck_use_candidate (&req); uint32_t priority = stun_usage_ice_conncheck_priority (&req); if (agent->controlling_mode || agent->compatibility == NICE_COMPATIBILITY_GOOGLE || agent->compatibility == NICE_COMPATIBILITY_MSN || agent->compatibility == NICE_COMPATIBILITY_OC2007) use_candidate = TRUE; if (stream->initial_binding_request_received != TRUE) agent_signal_initial_binding_request_received (agent, stream); if (component->remote_candidates && remote_candidate == NULL) { nice_debug ("Agent %p : No matching remote candidate for incoming check ->" "peer-reflexive candidate.", agent); remote_candidate = discovery_learn_remote_peer_reflexive_candidate ( agent, stream, component, priority, from, socket, local_candidate, remote_candidate2 ? remote_candidate2 : remote_candidate); if(remote_candidate) conn_check_add_for_candidate (agent, stream->id, component, remote_candidate); } priv_reply_to_conn_check (agent, stream, component, remote_candidate, from, socket, rbuf_len, rbuf, use_candidate); if (component->remote_candidates == NULL) { /* case: We've got a valid binding request to a local candidate * but we do not yet know remote credentials nor * candidates. As per sect 7.2 of ICE (ID-19), we send a reply * immediately but postpone all other processing until * we get information about the remote candidates */ /* step: send a reply immediately but postpone other processing */ priv_store_pending_check (agent, component, from, socket, username, username_len, priority, use_candidate); } } else { nice_debug ("Agent %p : Invalid STUN packet, ignoring... %s", agent, strerror(errno)); return FALSE; } } else { /* case 2: not a new request, might be a reply... */ gboolean trans_found = FALSE; /* note: ICE sect 7.1.2. "Processing the Response" (ID-19) */ /* step: let's try to match the response to an existing check context */ if (trans_found != TRUE) trans_found = priv_map_reply_to_conn_check_request (agent, stream, component, socket, from, local_candidate, remote_candidate, &req); /* step: let's try to match the response to an existing discovery */ if (trans_found != TRUE) trans_found = priv_map_reply_to_discovery_request (agent, &req); /* step: let's try to match the response to an existing turn allocate */ if (trans_found != TRUE) trans_found = priv_map_reply_to_relay_request (agent, &req); /* step: let's try to match the response to an existing turn refresh */ if (trans_found != TRUE) trans_found = priv_map_reply_to_relay_refresh (agent, &req); /* step: let's try to match the response to an existing keepalive conncheck */ if (trans_found != TRUE) trans_found = priv_map_reply_to_keepalive_conncheck (agent, component, &req); if (trans_found != TRUE) nice_debug ("Agent %p : Unable to match to an existing transaction, " "probably a keepalive.", agent); } return TRUE; } libnice-0.1.4/agent/agent-signals-marshal.c0000664000175000017500000002217012112006673015467 00000000000000#include "agent-signals-marshal.h" #include #ifdef G_ENABLE_DEBUG #define g_marshal_value_peek_boolean(v) g_value_get_boolean (v) #define g_marshal_value_peek_char(v) g_value_get_schar (v) #define g_marshal_value_peek_uchar(v) g_value_get_uchar (v) #define g_marshal_value_peek_int(v) g_value_get_int (v) #define g_marshal_value_peek_uint(v) g_value_get_uint (v) #define g_marshal_value_peek_long(v) g_value_get_long (v) #define g_marshal_value_peek_ulong(v) g_value_get_ulong (v) #define g_marshal_value_peek_int64(v) g_value_get_int64 (v) #define g_marshal_value_peek_uint64(v) g_value_get_uint64 (v) #define g_marshal_value_peek_enum(v) g_value_get_enum (v) #define g_marshal_value_peek_flags(v) g_value_get_flags (v) #define g_marshal_value_peek_float(v) g_value_get_float (v) #define g_marshal_value_peek_double(v) g_value_get_double (v) #define g_marshal_value_peek_string(v) (char*) g_value_get_string (v) #define g_marshal_value_peek_param(v) g_value_get_param (v) #define g_marshal_value_peek_boxed(v) g_value_get_boxed (v) #define g_marshal_value_peek_pointer(v) g_value_get_pointer (v) #define g_marshal_value_peek_object(v) g_value_get_object (v) #define g_marshal_value_peek_variant(v) g_value_get_variant (v) #else /* !G_ENABLE_DEBUG */ /* WARNING: This code accesses GValues directly, which is UNSUPPORTED API. * Do not access GValues directly in your code. Instead, use the * g_value_get_*() functions */ #define g_marshal_value_peek_boolean(v) (v)->data[0].v_int #define g_marshal_value_peek_char(v) (v)->data[0].v_int #define g_marshal_value_peek_uchar(v) (v)->data[0].v_uint #define g_marshal_value_peek_int(v) (v)->data[0].v_int #define g_marshal_value_peek_uint(v) (v)->data[0].v_uint #define g_marshal_value_peek_long(v) (v)->data[0].v_long #define g_marshal_value_peek_ulong(v) (v)->data[0].v_ulong #define g_marshal_value_peek_int64(v) (v)->data[0].v_int64 #define g_marshal_value_peek_uint64(v) (v)->data[0].v_uint64 #define g_marshal_value_peek_enum(v) (v)->data[0].v_long #define g_marshal_value_peek_flags(v) (v)->data[0].v_ulong #define g_marshal_value_peek_float(v) (v)->data[0].v_float #define g_marshal_value_peek_double(v) (v)->data[0].v_double #define g_marshal_value_peek_string(v) (v)->data[0].v_pointer #define g_marshal_value_peek_param(v) (v)->data[0].v_pointer #define g_marshal_value_peek_boxed(v) (v)->data[0].v_pointer #define g_marshal_value_peek_pointer(v) (v)->data[0].v_pointer #define g_marshal_value_peek_object(v) (v)->data[0].v_pointer #define g_marshal_value_peek_variant(v) (v)->data[0].v_pointer #endif /* !G_ENABLE_DEBUG */ /* VOID:UINT,UINT,UINT (agent-signals-marshal.list:2) */ void agent_marshal_VOID__UINT_UINT_UINT (GClosure *closure, GValue *return_value G_GNUC_UNUSED, guint n_param_values, const GValue *param_values, gpointer invocation_hint G_GNUC_UNUSED, gpointer marshal_data) { typedef void (*GMarshalFunc_VOID__UINT_UINT_UINT) (gpointer data1, guint arg_1, guint arg_2, guint arg_3, gpointer data2); register GMarshalFunc_VOID__UINT_UINT_UINT callback; register GCClosure *cc = (GCClosure*) closure; register gpointer data1, data2; g_return_if_fail (n_param_values == 4); if (G_CCLOSURE_SWAP_DATA (closure)) { data1 = closure->data; data2 = g_value_peek_pointer (param_values + 0); } else { data1 = g_value_peek_pointer (param_values + 0); data2 = closure->data; } callback = (GMarshalFunc_VOID__UINT_UINT_UINT) (marshal_data ? marshal_data : cc->callback); callback (data1, g_marshal_value_peek_uint (param_values + 1), g_marshal_value_peek_uint (param_values + 2), g_marshal_value_peek_uint (param_values + 3), data2); (void)return_value;(void)invocation_hint;} /* VOID:UINT,UINT,STRING,STRING (agent-signals-marshal.list:4) */ void agent_marshal_VOID__UINT_UINT_STRING_STRING (GClosure *closure, GValue *return_value G_GNUC_UNUSED, guint n_param_values, const GValue *param_values, gpointer invocation_hint G_GNUC_UNUSED, gpointer marshal_data) { typedef void (*GMarshalFunc_VOID__UINT_UINT_STRING_STRING) (gpointer data1, guint arg_1, guint arg_2, gpointer arg_3, gpointer arg_4, gpointer data2); register GMarshalFunc_VOID__UINT_UINT_STRING_STRING callback; register GCClosure *cc = (GCClosure*) closure; register gpointer data1, data2; g_return_if_fail (n_param_values == 5); if (G_CCLOSURE_SWAP_DATA (closure)) { data1 = closure->data; data2 = g_value_peek_pointer (param_values + 0); } else { data1 = g_value_peek_pointer (param_values + 0); data2 = closure->data; } callback = (GMarshalFunc_VOID__UINT_UINT_STRING_STRING) (marshal_data ? marshal_data : cc->callback); callback (data1, g_marshal_value_peek_uint (param_values + 1), g_marshal_value_peek_uint (param_values + 2), g_marshal_value_peek_string (param_values + 3), g_marshal_value_peek_string (param_values + 4), data2); (void)return_value;(void)invocation_hint;} /* VOID:UINT,UINT,STRING (agent-signals-marshal.list:6) */ void agent_marshal_VOID__UINT_UINT_STRING (GClosure *closure, GValue *return_value G_GNUC_UNUSED, guint n_param_values, const GValue *param_values, gpointer invocation_hint G_GNUC_UNUSED, gpointer marshal_data) { typedef void (*GMarshalFunc_VOID__UINT_UINT_STRING) (gpointer data1, guint arg_1, guint arg_2, gpointer arg_3, gpointer data2); register GMarshalFunc_VOID__UINT_UINT_STRING callback; register GCClosure *cc = (GCClosure*) closure; register gpointer data1, data2; g_return_if_fail (n_param_values == 4); if (G_CCLOSURE_SWAP_DATA (closure)) { data1 = closure->data; data2 = g_value_peek_pointer (param_values + 0); } else { data1 = g_value_peek_pointer (param_values + 0); data2 = closure->data; } callback = (GMarshalFunc_VOID__UINT_UINT_STRING) (marshal_data ? marshal_data : cc->callback); callback (data1, g_marshal_value_peek_uint (param_values + 1), g_marshal_value_peek_uint (param_values + 2), g_marshal_value_peek_string (param_values + 3), data2); (void)return_value;(void)invocation_hint;} /* VOID:UINT (agent-signals-marshal.list:9) */ /* VOID:UINT,UINT (agent-signals-marshal.list:11) */ void agent_marshal_VOID__UINT_UINT (GClosure *closure, GValue *return_value G_GNUC_UNUSED, guint n_param_values, const GValue *param_values, gpointer invocation_hint G_GNUC_UNUSED, gpointer marshal_data) { typedef void (*GMarshalFunc_VOID__UINT_UINT) (gpointer data1, guint arg_1, guint arg_2, gpointer data2); register GMarshalFunc_VOID__UINT_UINT callback; register GCClosure *cc = (GCClosure*) closure; register gpointer data1, data2; g_return_if_fail (n_param_values == 3); if (G_CCLOSURE_SWAP_DATA (closure)) { data1 = closure->data; data2 = g_value_peek_pointer (param_values + 0); } else { data1 = g_value_peek_pointer (param_values + 0); data2 = closure->data; } callback = (GMarshalFunc_VOID__UINT_UINT) (marshal_data ? marshal_data : cc->callback); callback (data1, g_marshal_value_peek_uint (param_values + 1), g_marshal_value_peek_uint (param_values + 2), data2); (void)return_value;(void)invocation_hint;} libnice-0.1.4/agent/pseudotcp.c0000664000175000017500000011755411717563235013343 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2010 Collabora Ltd. * Contact: Youness Alaoui * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ /* Reproducing license from libjingle for copied code */ /* * libjingle * Copyright 2004--2005, Google Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include #ifndef G_OS_WIN32 # include #endif #include "pseudotcp.h" G_DEFINE_TYPE (PseudoTcpSocket, pseudo_tcp_socket, G_TYPE_OBJECT); ////////////////////////////////////////////////////////////////////// // Network Constants ////////////////////////////////////////////////////////////////////// // Standard MTUs const guint16 PACKET_MAXIMUMS[] = { 65535, // Theoretical maximum, Hyperchannel 32000, // Nothing 17914, // 16Mb IBM Token Ring 8166, // IEEE 802.4 //4464, // IEEE 802.5 (4Mb max) 4352, // FDDI //2048, // Wideband Network 2002, // IEEE 802.5 (4Mb recommended) //1536, // Expermental Ethernet Networks //1500, // Ethernet, Point-to-Point (default) 1492, // IEEE 802.3 1006, // SLIP, ARPANET //576, // X.25 Networks //544, // DEC IP Portal //512, // NETBIOS 508, // IEEE 802/Source-Rt Bridge, ARCNET 296, // Point-to-Point (low delay) //68, // Official minimum 0, // End of list marker }; #define MAX_PACKET 65535 // Note: we removed lowest level because packet overhead was larger! #define MIN_PACKET 296 // (+ up to 40 bytes of options?) #define IP_HEADER_SIZE 20 #define ICMP_HEADER_SIZE 8 #define UDP_HEADER_SIZE 8 // TODO: Make JINGLE_HEADER_SIZE transparent to this code? // when relay framing is in use #define JINGLE_HEADER_SIZE 64 ////////////////////////////////////////////////////////////////////// // Global Constants and Functions ////////////////////////////////////////////////////////////////////// // // 0 1 2 3 // 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ // 0 | Conversation Number | // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ // 4 | Sequence Number | // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ // 8 | Acknowledgment Number | // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ // | | |U|A|P|R|S|F| | // 12 | Control | |R|C|S|S|Y|I| Window | // | | |G|K|H|T|N|N| | // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ // 16 | Timestamp sending | // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ // 20 | Timestamp receiving | // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ // 24 | data | // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ // ////////////////////////////////////////////////////////////////////// #define MAX_SEQ 0xFFFFFFFF #define HEADER_SIZE 24 #define PACKET_OVERHEAD (HEADER_SIZE + UDP_HEADER_SIZE + \ IP_HEADER_SIZE + JINGLE_HEADER_SIZE) // MIN_RTO = 250 ms (RFC1122, Sec 4.2.3.1 "fractions of a second") #define MIN_RTO 250 #define DEF_RTO 3000 /* 3 seconds (RFC1122, Sec 4.2.3.1) */ #define MAX_RTO 60000 /* 60 seconds */ #define ACK_DELAY 100 /* 100 milliseconds */ /* #define FLAG_FIN 0x01 #define FLAG_SYN 0x02 #define FLAG_ACK 0x10 */ #define FLAG_CTL 0x02 #define FLAG_RST 0x04 #define CTL_CONNECT 0 //#define CTL_REDIRECT 1 #define CTL_EXTRA 255 #define CTRL_BOUND 0x80000000 // If there are no pending clocks, wake up every 4 seconds #define DEFAULT_TIMEOUT 4000 // If the connection is closed, once per minute #define CLOSED_TIMEOUT (60 * 1000) ////////////////////////////////////////////////////////////////////// // Helper Functions ////////////////////////////////////////////////////////////////////// #ifndef G_OS_WIN32 # define min(first, second) ((first) < (second) ? (first) : (second)) # define max(first, second) ((first) > (second) ? (first) : (second)) #endif static guint32 bound(guint32 lower, guint32 middle, guint32 upper) { return min (max (lower, middle), upper); } static guint32 get_current_time(void) { GTimeVal tv; g_get_current_time (&tv); return tv.tv_sec * 1000 + tv.tv_usec / 1000; } static gboolean time_is_between(guint32 later, guint32 middle, guint32 earlier) { if (earlier <= later) { return ((earlier <= middle) && (middle <= later)); } else { return !((later < middle) && (middle < earlier)); } } static gint32 time_diff(guint32 later, guint32 earlier) { guint32 LAST = 0xFFFFFFFF; guint32 HALF = 0x80000000; if (time_is_between(earlier + HALF, later, earlier)) { if (earlier <= later) { return (long)(later - earlier); } else { return (long)(later + (LAST - earlier) + 1); } } else { if (later <= earlier) { return -(long) (earlier - later); } else { return -(long)(earlier + (LAST - later) + 1); } } } ////////////////////////////////////////////////////////////////////// // PseudoTcp ////////////////////////////////////////////////////////////////////// typedef enum { SD_NONE, SD_GRACEFUL, SD_FORCEFUL } Shutdown; typedef enum { sfNone, sfDelayedAck, sfImmediateAck } SendFlags; enum { // Note: can't go as high as 1024 * 64, because of uint16 precision kRcvBufSize = 1024 * 60, // Note: send buffer should be larger to make sure we can always fill the // receiver window kSndBufSize = 1024 * 90 }; typedef struct { guint32 conv, seq, ack; guint8 flags; guint16 wnd; const gchar * data; guint32 len; guint32 tsval, tsecr; } Segment; typedef struct { guint32 seq, len; guint8 xmit; gboolean bCtrl; } SSegment; typedef struct { guint32 seq, len; } RSegment; struct _PseudoTcpSocketPrivate { PseudoTcpCallbacks callbacks; Shutdown shutdown; gint error; // TCB data PseudoTcpState state; guint32 conv; gboolean bReadEnable, bWriteEnable, bOutgoing; guint32 last_traffic; // Incoming data GList *rlist; gchar rbuf[kRcvBufSize]; guint32 rcv_nxt, rcv_wnd, rlen, lastrecv; // Outgoing data GList *slist; gchar sbuf[kSndBufSize]; guint32 snd_nxt, snd_wnd, slen, lastsend, snd_una; // Maximum segment size, estimated protocol level, largest segment sent guint32 mss, msslevel, largest, mtu_advise; // Retransmit timer guint32 rto_base; // Timestamp tracking guint32 ts_recent, ts_lastack; // Round-trip calculation guint32 rx_rttvar, rx_srtt, rx_rto; // Congestion avoidance, Fast retransmit/recovery, Delayed ACKs guint32 ssthresh, cwnd; guint8 dup_acks; guint32 recover; guint32 t_ack; }; /* properties */ enum { PROP_CONVERSATION = 1, PROP_CALLBACKS, PROP_STATE, LAST_PROPERTY }; static void pseudo_tcp_socket_get_property (GObject *object, guint property_id, GValue *value, GParamSpec *pspec); static void pseudo_tcp_socket_set_property (GObject *object, guint property_id, const GValue *value, GParamSpec *pspec); static void pseudo_tcp_socket_finalize (GObject *object); static guint32 queue(PseudoTcpSocket *self, const gchar * data, guint32 len, gboolean bCtrl); static PseudoTcpWriteResult packet(PseudoTcpSocket *self, guint32 seq, guint8 flags, const gchar * data, guint32 len); static gboolean parse(PseudoTcpSocket *self, const guint8 * buffer, guint32 size); static gboolean process(PseudoTcpSocket *self, Segment *seg); static gboolean transmit(PseudoTcpSocket *self, const GList *seg, guint32 now); static void attempt_send(PseudoTcpSocket *self, SendFlags sflags); static void closedown(PseudoTcpSocket *self, guint32 err); static void adjustMTU(PseudoTcpSocket *self); // The following logging is for detailed (packet-level) pseudotcp analysis only. static PseudoTcpDebugLevel debug_level = PSEUDO_TCP_DEBUG_NONE; #ifndef _MSC_VER #define DEBUG(level, fmt, ...) \ if (debug_level >= level) \ g_debug ("PseudoTcpSocket %p: " fmt, self, ## __VA_ARGS__) #else /* HACK ALERT: To avoid Visual Studio compiler error due to the following bug * https://connect.microsoft.com/VisualStudio/feedback/details/604348/-va-args-support-has-an-error * we need to expand the g_debug macro and use g_log directly */ #define DEBUG(level, fmt, ...) \ if (debug_level >= level) \ g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, "PseudoTcpSocket %p: " fmt, \ self, ## __VA_ARGS__) #endif void pseudo_tcp_set_debug_level (PseudoTcpDebugLevel level) { debug_level = level; } static void pseudo_tcp_socket_class_init (PseudoTcpSocketClass *cls) { GObjectClass *object_class = G_OBJECT_CLASS (cls); object_class->get_property = pseudo_tcp_socket_get_property; object_class->set_property = pseudo_tcp_socket_set_property; object_class->finalize = pseudo_tcp_socket_finalize; g_object_class_install_property (object_class, PROP_CONVERSATION, g_param_spec_uint ("conversation", "TCP Conversation ID", "The TCP Conversation ID", 0, G_MAXUINT32, 0, G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (object_class, PROP_CALLBACKS, g_param_spec_pointer ("callbacks", "PseudoTcp socket callbacks", "Structure with the callbacks to call when PseudoTcp events happen", G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (object_class, PROP_STATE, g_param_spec_uint ("state", "PseudoTcp State", "The current state (enum PseudoTcpState) of the PseudoTcp socket", TCP_LISTEN, TCP_CLOSED, TCP_LISTEN, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)); } static void pseudo_tcp_socket_get_property (GObject *object, guint property_id, GValue *value, GParamSpec *pspec) { PseudoTcpSocket *self = PSEUDO_TCP_SOCKET (object); switch (property_id) { case PROP_CONVERSATION: g_value_set_uint (value, self->priv->conv); break; case PROP_CALLBACKS: g_value_set_pointer (value, (gpointer) &self->priv->callbacks); break; case PROP_STATE: g_value_set_uint (value, self->priv->state); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); break; } } static void pseudo_tcp_socket_set_property (GObject *object, guint property_id, const GValue *value, GParamSpec *pspec) { PseudoTcpSocket *self = PSEUDO_TCP_SOCKET (object); switch (property_id) { case PROP_CONVERSATION: self->priv->conv = g_value_get_uint (value); break; case PROP_CALLBACKS: { PseudoTcpCallbacks *c = g_value_get_pointer (value); self->priv->callbacks = *c; } break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); break; } } static void pseudo_tcp_socket_finalize (GObject *object) { PseudoTcpSocket *self = PSEUDO_TCP_SOCKET (object); PseudoTcpSocketPrivate *priv = self->priv; GList *i; if (priv == NULL) return; for (i = priv->slist; i; i = i->next) { SSegment *sseg = i->data; g_slice_free (SSegment, sseg); } for (i = priv->rlist; i; i = i->next) { RSegment *rseg = i->data; g_slice_free (RSegment, rseg); } g_list_free (priv->slist); priv->slist = NULL; g_list_free (priv->rlist); priv->rlist = NULL; g_free (priv); self->priv = NULL; if (G_OBJECT_CLASS (pseudo_tcp_socket_parent_class)->finalize) G_OBJECT_CLASS (pseudo_tcp_socket_parent_class)->finalize (object); } static void pseudo_tcp_socket_init (PseudoTcpSocket *obj) { /* Use g_new0, and do not use g_object_set_private because the size of * our private data is too big (150KB+) and the g_slice_allow cannot allocate * it. So we handle the private ourselves */ PseudoTcpSocketPrivate *priv = g_new0 (PseudoTcpSocketPrivate, 1); guint32 now = get_current_time(); obj->priv = priv; priv->shutdown = SD_NONE; priv->error = 0; priv->state = TCP_LISTEN; priv->conv = 0; priv->rcv_wnd = sizeof(priv->rbuf); priv->snd_nxt = priv->slen = 0; priv->snd_wnd = 1; priv->snd_una = priv->rcv_nxt = priv->rlen = 0; priv->bReadEnable = TRUE; priv->bWriteEnable = FALSE; priv->t_ack = 0; priv->msslevel = 0; priv->largest = 0; priv->mss = MIN_PACKET - PACKET_OVERHEAD; priv->mtu_advise = MAX_PACKET; priv->rto_base = 0; priv->cwnd = 2 * priv->mss; priv->ssthresh = sizeof(priv->rbuf); priv->lastrecv = priv->lastsend = priv->last_traffic = now; priv->bOutgoing = FALSE; priv->dup_acks = 0; priv->recover = 0; priv->ts_recent = priv->ts_lastack = 0; priv->rx_rto = DEF_RTO; priv->rx_srtt = priv->rx_rttvar = 0; } PseudoTcpSocket *pseudo_tcp_socket_new (guint32 conversation, PseudoTcpCallbacks *callbacks) { return g_object_new (PSEUDO_TCP_SOCKET_TYPE, "conversation", conversation, "callbacks", callbacks, NULL); } gboolean pseudo_tcp_socket_connect(PseudoTcpSocket *self) { PseudoTcpSocketPrivate *priv = self->priv; gchar buffer[1]; if (priv->state != TCP_LISTEN) { priv->error = EINVAL; return FALSE; } priv->state = TCP_SYN_SENT; DEBUG (PSEUDO_TCP_DEBUG_NORMAL, "State: TCP_SYN_SENT"); buffer[0] = CTL_CONNECT; queue(self, buffer, 1, TRUE); attempt_send(self, sfNone); return TRUE; } void pseudo_tcp_socket_notify_mtu(PseudoTcpSocket *self, guint16 mtu) { PseudoTcpSocketPrivate *priv = self->priv; priv->mtu_advise = mtu; if (priv->state == TCP_ESTABLISHED) { adjustMTU(self); } } void pseudo_tcp_socket_notify_clock(PseudoTcpSocket *self) { PseudoTcpSocketPrivate *priv = self->priv; guint32 now = get_current_time (); if (priv->state == TCP_CLOSED) return; // Check if it's time to retransmit a segment if (priv->rto_base && (time_diff(priv->rto_base + priv->rx_rto, now) <= 0)) { if (g_list_length (priv->slist) == 0) { g_assert_not_reached (); } else { // Note: (priv->slist.front().xmit == 0)) { // retransmit segments guint32 nInFlight; guint32 rto_limit; DEBUG (PSEUDO_TCP_DEBUG_NORMAL, "timeout retransmit (rto: %d) " "(rto_base: %d) (now: %d) (dup_acks: %d)", priv->rx_rto, priv->rto_base, now, (guint) priv->dup_acks); if (!transmit(self, priv->slist, now)) { closedown(self, ECONNABORTED); return; } nInFlight = priv->snd_nxt - priv->snd_una; priv->ssthresh = max(nInFlight / 2, 2 * priv->mss); //LOG(LS_INFO) << "priv->ssthresh: " << priv->ssthresh << " nInFlight: " << nInFlight << " priv->mss: " << priv->mss; priv->cwnd = priv->mss; // Back off retransmit timer. Note: the limit is lower when connecting. rto_limit = (priv->state < TCP_ESTABLISHED) ? DEF_RTO : MAX_RTO; priv->rx_rto = min(rto_limit, priv->rx_rto * 2); priv->rto_base = now; } } // Check if it's time to probe closed windows if ((priv->snd_wnd == 0) && (time_diff(priv->lastsend + priv->rx_rto, now) <= 0)) { if (time_diff(now, priv->lastrecv) >= 15000) { closedown(self, ECONNABORTED); return; } // probe the window packet(self, priv->snd_nxt - 1, 0, 0, 0); priv->lastsend = now; // back off retransmit timer priv->rx_rto = min(MAX_RTO, priv->rx_rto * 2); } // Check if it's time to send delayed acks if (priv->t_ack && (time_diff(priv->t_ack + ACK_DELAY, now) <= 0)) { packet(self, priv->snd_nxt, 0, 0, 0); } } gboolean pseudo_tcp_socket_notify_packet(PseudoTcpSocket *self, const gchar * buffer, guint32 len) { if (len > MAX_PACKET) { //LOG_F(WARNING) << "packet too large"; return FALSE; } return parse(self, (guint8 *) buffer, len); } gboolean pseudo_tcp_socket_get_next_clock(PseudoTcpSocket *self, long *timeout) { PseudoTcpSocketPrivate *priv = self->priv; guint32 now = get_current_time (); if (priv->shutdown == SD_FORCEFUL) return FALSE; if ((priv->shutdown == SD_GRACEFUL) && ((priv->state != TCP_ESTABLISHED) || ((priv->slen == 0) && (priv->t_ack == 0)))) { return FALSE; } if (priv->state == TCP_CLOSED) { *timeout = CLOSED_TIMEOUT; return TRUE; } *timeout = DEFAULT_TIMEOUT; if (priv->t_ack) { *timeout = min(*timeout, time_diff(priv->t_ack + ACK_DELAY, now)); } if (priv->rto_base) { *timeout = min(*timeout, time_diff(priv->rto_base + priv->rx_rto, now)); } if (priv->snd_wnd == 0) { *timeout = min(*timeout, time_diff(priv->lastsend + priv->rx_rto, now)); } return TRUE; } gint pseudo_tcp_socket_recv(PseudoTcpSocket *self, char * buffer, size_t len) { PseudoTcpSocketPrivate *priv = self->priv; guint32 read; if (priv->state != TCP_ESTABLISHED) { priv->error = ENOTCONN; return -1; } if (priv->rlen == 0) { priv->bReadEnable = TRUE; priv->error = EWOULDBLOCK; return -1; } read = min((guint32) len, priv->rlen); memcpy(buffer, priv->rbuf, read); priv->rlen -= read; /* !?! until we create a circular buffer, we need to move all of the rest of the buffer up! */ memmove(priv->rbuf, priv->rbuf + read, sizeof(priv->rbuf) - read); if ((sizeof(priv->rbuf) - priv->rlen - priv->rcv_wnd) >= min(sizeof(priv->rbuf) / 2, priv->mss)) { // !?! Not sure about this was closed business gboolean bWasClosed = (priv->rcv_wnd == 0); priv->rcv_wnd = sizeof(priv->rbuf) - priv->rlen; if (bWasClosed) { attempt_send(self, sfImmediateAck); } } return read; } gint pseudo_tcp_socket_send(PseudoTcpSocket *self, const char * buffer, guint32 len) { PseudoTcpSocketPrivate *priv = self->priv; gint written; if (priv->state != TCP_ESTABLISHED) { priv->error = ENOTCONN; return -1; } if (priv->slen == sizeof(priv->sbuf)) { priv->bWriteEnable = TRUE; priv->error = EWOULDBLOCK; return -1; } written = queue(self, buffer, len, FALSE); attempt_send(self, sfNone); if (written > 0 && (guint32)written < len) { priv->bWriteEnable = TRUE; } return written; } void pseudo_tcp_socket_close(PseudoTcpSocket *self, gboolean force) { PseudoTcpSocketPrivate *priv = self->priv; //nice_agent ("Closing socket %p : %d", sock, force?"true":"false"); priv->shutdown = force ? SD_FORCEFUL : SD_GRACEFUL; } int pseudo_tcp_socket_get_error(PseudoTcpSocket *self) { PseudoTcpSocketPrivate *priv = self->priv; return priv->error; } // // Internal Implementation // static guint32 queue(PseudoTcpSocket *self, const gchar * data, guint32 len, gboolean bCtrl) { PseudoTcpSocketPrivate *priv = self->priv; if (len > sizeof(priv->sbuf) - priv->slen) { g_assert(!bCtrl); len = sizeof(priv->sbuf) - priv->slen; } // We can concatenate data if the last segment is the same type // (control v. regular data), and has not been transmitted yet if (g_list_length (priv->slist) > 0 && (((SSegment *)g_list_last (priv->slist)->data)->bCtrl == bCtrl) && (((SSegment *)g_list_last (priv->slist)->data)->xmit == 0)) { ((SSegment *)g_list_last (priv->slist)->data)->len += len; } else { SSegment *sseg = g_slice_new0 (SSegment); sseg->seq = priv->snd_una + priv->slen; sseg->len = len; sseg->bCtrl = bCtrl; priv->slist = g_list_append (priv->slist, sseg); } memcpy(priv->sbuf + priv->slen, data, len); priv->slen += len; //LOG(LS_INFO) << "PseudoTcp::queue - priv->slen = " << priv->slen; return len; } static PseudoTcpWriteResult packet(PseudoTcpSocket *self, guint32 seq, guint8 flags, const gchar * data, guint32 len) { PseudoTcpSocketPrivate *priv = self->priv; guint32 now = get_current_time(); guint8 buffer[MAX_PACKET]; PseudoTcpWriteResult wres = WR_SUCCESS; g_assert(HEADER_SIZE + len <= MAX_PACKET); *((guint32 *) buffer) = htonl(priv->conv); *((guint32 *) (buffer + 4)) = htonl(seq); *((guint32 *) (buffer + 8)) = htonl(priv->rcv_nxt); buffer[12] = 0; buffer[13] = flags; *((guint16 *) (buffer + 14)) = htons((guint16)priv->rcv_wnd); // Timestamp computations *((guint32 *) (buffer + 16)) = htonl(now); *((guint32 *) (buffer + 20)) = htonl(priv->ts_recent); priv->ts_lastack = priv->rcv_nxt; if (data != NULL) memcpy(buffer + HEADER_SIZE, data, len); DEBUG (PSEUDO_TCP_DEBUG_VERBOSE, "<-- " "", priv->conv, (unsigned)flags, seq, seq + len, priv->rcv_nxt, priv->rcv_wnd, now % 10000, priv->ts_recent % 10000, len); wres = priv->callbacks.WritePacket(self, (gchar *) buffer, len + HEADER_SIZE, priv->callbacks.user_data); /* Note: When data is NULL, this is an ACK packet. We don't read the return value for those, and thus we won't retry. So go ahead and treat the packet as a success (basically simulate as if it were dropped), which will prevent our timers from being messed up. */ if ((wres != WR_SUCCESS) && (NULL != data)) return wres; priv->t_ack = 0; if (len > 0) { priv->lastsend = now; } priv->last_traffic = now; priv->bOutgoing = TRUE; return WR_SUCCESS; } static gboolean parse(PseudoTcpSocket *self, const guint8 * buffer, guint32 size) { Segment seg; if (size < 12) return FALSE; seg.conv = ntohl(*(guint32 *)buffer); seg.seq = ntohl(*(guint32 *)(buffer + 4)); seg.ack = ntohl(*(guint32 *)(buffer + 8)); seg.flags = buffer[13]; seg.wnd = ntohs(*(guint16 *)(buffer + 14)); seg.tsval = ntohl(*(guint32 *)(buffer + 16)); seg.tsecr = ntohl(*(guint32 *)(buffer + 20)); seg.data = ((gchar *)buffer) + HEADER_SIZE; seg.len = size - HEADER_SIZE; DEBUG (PSEUDO_TCP_DEBUG_VERBOSE, "--> " "", seg.conv, (unsigned)seg.flags, seg.seq, seg.seq + seg.len, seg.ack, seg.wnd, seg.tsval % 10000, seg.tsecr % 10000, seg.len); return process(self, &seg); } static gboolean process(PseudoTcpSocket *self, Segment *seg) { PseudoTcpSocketPrivate *priv = self->priv; guint32 now; SendFlags sflags = sfNone; gboolean bIgnoreData; gboolean bNewData; gboolean bConnect = FALSE; /* If this is the wrong conversation, send a reset!?! (with the correct conversation?) */ if (seg->conv != priv->conv) { //if ((seg->flags & FLAG_RST) == 0) { // packet(sock, tcb, seg->ack, 0, FLAG_RST, 0, 0); //} DEBUG (PSEUDO_TCP_DEBUG_NORMAL, "wrong conversation"); return FALSE; } now = get_current_time(); priv->last_traffic = priv->lastrecv = now; priv->bOutgoing = FALSE; if (priv->state == TCP_CLOSED) { // !?! send reset? DEBUG (PSEUDO_TCP_DEBUG_NORMAL, "closed"); return FALSE; } // Check if this is a reset segment if (seg->flags & FLAG_RST) { closedown(self, ECONNRESET); return FALSE; } // Check for control data bConnect = FALSE; if (seg->flags & FLAG_CTL) { if (seg->len == 0) { DEBUG (PSEUDO_TCP_DEBUG_NORMAL, "Missing control code"); return FALSE; } else if (seg->data[0] == CTL_CONNECT) { bConnect = TRUE; if (priv->state == TCP_LISTEN) { char buffer[1]; priv->state = TCP_SYN_RECEIVED; buffer[0] = CTL_CONNECT; queue(self, buffer, 1, TRUE); } else if (priv->state == TCP_SYN_SENT) { priv->state = TCP_ESTABLISHED; DEBUG (PSEUDO_TCP_DEBUG_NORMAL, "State: TCP_ESTABLISHED"); adjustMTU(self); if (priv->callbacks.PseudoTcpOpened) priv->callbacks.PseudoTcpOpened(self, priv->callbacks.user_data); } } else { DEBUG (PSEUDO_TCP_DEBUG_NORMAL, "Unknown control code: %d", seg->data[0]); return FALSE; } } // Update timestamp if ((seg->seq <= priv->ts_lastack) && (priv->ts_lastack < seg->seq + seg->len)) { priv->ts_recent = seg->tsval; } // Check if this is a valuable ack if ((seg->ack > priv->snd_una) && (seg->ack <= priv->snd_nxt)) { guint32 nAcked; guint32 nFree; guint32 kIdealRefillSize; // Calculate round-trip time if (seg->tsecr) { long rtt = time_diff(now, seg->tsecr); if (rtt >= 0) { if (priv->rx_srtt == 0) { priv->rx_srtt = rtt; priv->rx_rttvar = rtt / 2; } else { priv->rx_rttvar = (3 * priv->rx_rttvar + abs((long)(rtt - priv->rx_srtt))) / 4; priv->rx_srtt = (7 * priv->rx_srtt + rtt) / 8; } priv->rx_rto = bound(MIN_RTO, priv->rx_srtt + max(1LU, 4 * priv->rx_rttvar), MAX_RTO); DEBUG (PSEUDO_TCP_DEBUG_VERBOSE, "rtt: %ld srtt: %d rto: %d", rtt, priv->rx_srtt, priv->rx_rto); } else { g_assert_not_reached (); } } priv->snd_wnd = seg->wnd; nAcked = seg->ack - priv->snd_una; priv->snd_una = seg->ack; priv->rto_base = (priv->snd_una == priv->snd_nxt) ? 0 : now; priv->slen -= nAcked; memmove(priv->sbuf, priv->sbuf + nAcked, priv->slen); //LOG(LS_INFO) << "PseudoTcp::process - priv->slen = " << priv->slen; for (nFree = nAcked; nFree > 0; ) { SSegment *data; g_assert(priv->slist != NULL); data = (SSegment *) (priv->slist->data); if (nFree < data->len) { data->len -= nFree; nFree = 0; } else { if (data->len > priv->largest) { priv->largest = data->len; } nFree -= data->len; g_slice_free (SSegment, priv->slist->data); priv->slist = g_list_delete_link (priv->slist, priv->slist); } } if (priv->dup_acks >= 3) { if (priv->snd_una >= priv->recover) { // NewReno guint32 nInFlight = priv->snd_nxt - priv->snd_una; // (Fast Retransmit) priv->cwnd = min(priv->ssthresh, nInFlight + priv->mss); DEBUG (PSEUDO_TCP_DEBUG_NORMAL, "exit recovery"); priv->dup_acks = 0; } else { DEBUG (PSEUDO_TCP_DEBUG_NORMAL, "recovery retransmit"); if (!transmit(self, priv->slist, now)) { closedown(self, ECONNABORTED); return FALSE; } priv->cwnd += priv->mss - min(nAcked, priv->cwnd); } } else { priv->dup_acks = 0; // Slow start, congestion avoidance if (priv->cwnd < priv->ssthresh) { priv->cwnd += priv->mss; } else { priv->cwnd += max(1LU, priv->mss * priv->mss / priv->cwnd); } } // !?! A bit hacky if ((priv->state == TCP_SYN_RECEIVED) && !bConnect) { priv->state = TCP_ESTABLISHED; DEBUG (PSEUDO_TCP_DEBUG_NORMAL, "State: TCP_ESTABLISHED"); adjustMTU(self); if (priv->callbacks.PseudoTcpOpened) priv->callbacks.PseudoTcpOpened(self, priv->callbacks.user_data); } // If we make room in the send queue, notify the user // The goal it to make sure we always have at least enough data to fill the // window. We'd like to notify the app when we are halfway to that point. kIdealRefillSize = (sizeof(priv->sbuf) + sizeof(priv->rbuf)) / 2; if (priv->bWriteEnable && (priv->slen < kIdealRefillSize)) { priv->bWriteEnable = FALSE; if (priv->callbacks.PseudoTcpWritable) priv->callbacks.PseudoTcpWritable(self, priv->callbacks.user_data); } } else if (seg->ack == priv->snd_una) { /* !?! Note, tcp says don't do this... but otherwise how does a closed window become open? */ priv->snd_wnd = seg->wnd; // Check duplicate acks if (seg->len > 0) { // it's a dup ack, but with a data payload, so don't modify priv->dup_acks } else if (priv->snd_una != priv->snd_nxt) { guint32 nInFlight; priv->dup_acks += 1; if (priv->dup_acks == 3) { // (Fast Retransmit) DEBUG (PSEUDO_TCP_DEBUG_NORMAL, "enter recovery"); DEBUG (PSEUDO_TCP_DEBUG_NORMAL, "recovery retransmit"); if (!transmit(self, priv->slist, now)) { closedown(self, ECONNABORTED); return FALSE; } priv->recover = priv->snd_nxt; nInFlight = priv->snd_nxt - priv->snd_una; priv->ssthresh = max(nInFlight / 2, 2 * priv->mss); //LOG(LS_INFO) << "priv->ssthresh: " << priv->ssthresh << " nInFlight: " << nInFlight << " priv->mss: " << priv->mss; priv->cwnd = priv->ssthresh + 3 * priv->mss; } else if (priv->dup_acks > 3) { priv->cwnd += priv->mss; } } else { priv->dup_acks = 0; } } /* Conditions where acks must be sent: * 1) Segment is too old (they missed an ACK) (immediately) * 2) Segment is too new (we missed a segment) (immediately) * 3) Segment has data (so we need to ACK!) (delayed) * ... so the only time we don't need to ACK, is an empty segment * that points to rcv_nxt! */ if (seg->seq != priv->rcv_nxt) { sflags = sfImmediateAck; // (Fast Recovery) } else if (seg->len != 0) { sflags = sfDelayedAck; } if (sflags == sfImmediateAck) { if (seg->seq > priv->rcv_nxt) { DEBUG (PSEUDO_TCP_DEBUG_NORMAL, "too new"); } else if (seg->seq + seg->len <= priv->rcv_nxt) { DEBUG (PSEUDO_TCP_DEBUG_NORMAL, "too old"); } } // Adjust the incoming segment to fit our receive buffer if (seg->seq < priv->rcv_nxt) { guint32 nAdjust = priv->rcv_nxt - seg->seq; if (nAdjust < seg->len) { seg->seq += nAdjust; seg->data += nAdjust; seg->len -= nAdjust; } else { seg->len = 0; } } if ((seg->seq + seg->len - priv->rcv_nxt) > (sizeof(priv->rbuf) - priv->rlen)) { guint32 nAdjust = seg->seq + seg->len - priv->rcv_nxt - (sizeof(priv->rbuf) - priv->rlen); if (nAdjust < seg->len) { seg->len -= nAdjust; } else { seg->len = 0; } } bIgnoreData = (seg->flags & FLAG_CTL) || (priv->shutdown != SD_NONE); bNewData = FALSE; if (seg->len > 0) { if (bIgnoreData) { if (seg->seq == priv->rcv_nxt) { priv->rcv_nxt += seg->len; } } else { guint32 nOffset = seg->seq - priv->rcv_nxt; memcpy(priv->rbuf + priv->rlen + nOffset, seg->data, seg->len); if (seg->seq == priv->rcv_nxt) { GList *iter = NULL; priv->rlen += seg->len; priv->rcv_nxt += seg->len; priv->rcv_wnd -= seg->len; bNewData = TRUE; iter = priv->rlist; while (iter && (((RSegment *)iter->data)->seq <= priv->rcv_nxt)) { RSegment *data = (RSegment *)(iter->data); if (data->seq + data->len > priv->rcv_nxt) { guint32 nAdjust = (data->seq + data->len) - priv->rcv_nxt; sflags = sfImmediateAck; // (Fast Recovery) DEBUG (PSEUDO_TCP_DEBUG_NORMAL, "Recovered %d bytes (%d -> %d)", nAdjust, priv->rcv_nxt, priv->rcv_nxt + nAdjust); priv->rlen += nAdjust; priv->rcv_nxt += nAdjust; priv->rcv_wnd -= nAdjust; } g_slice_free (RSegment, priv->rlist->data); priv->rlist = g_list_delete_link (priv->rlist, priv->rlist); iter = priv->rlist; } } else { GList *iter = NULL; RSegment *rseg = g_slice_new0 (RSegment); DEBUG (PSEUDO_TCP_DEBUG_NORMAL, "Saving %d bytes (%d -> %d)", seg->len, seg->seq, seg->seq + seg->len); rseg->seq = seg->seq; rseg->len = seg->len; iter = priv->rlist; while (iter && (((RSegment*)iter->data)->seq < rseg->seq)) { iter = g_list_next (iter); } priv->rlist = g_list_insert_before(priv->rlist, iter, rseg); } } } attempt_send(self, sflags); // If we have new data, notify the user if (bNewData && priv->bReadEnable) { priv->bReadEnable = FALSE; if (priv->callbacks.PseudoTcpReadable) priv->callbacks.PseudoTcpReadable(self, priv->callbacks.user_data); } return TRUE; } static gboolean transmit(PseudoTcpSocket *self, const GList *seg, guint32 now) { PseudoTcpSocketPrivate *priv = self->priv; SSegment *segment = (SSegment*)(seg->data); guint32 nTransmit = min(segment->len, priv->mss); if (segment->xmit >= ((priv->state == TCP_ESTABLISHED) ? 15 : 30)) { DEBUG (PSEUDO_TCP_DEBUG_NORMAL, "too many retransmits"); return FALSE; } while (TRUE) { guint32 seq = segment->seq; guint8 flags = (segment->bCtrl ? FLAG_CTL : 0); const gchar * buffer = priv->sbuf + (segment->seq - priv->snd_una); PseudoTcpWriteResult wres = packet(self, seq, flags, buffer, nTransmit); if (wres == WR_SUCCESS) break; if (wres == WR_FAIL) { DEBUG (PSEUDO_TCP_DEBUG_NORMAL, "packet failed"); return FALSE; } g_assert(wres == WR_TOO_LARGE); while (TRUE) { if (PACKET_MAXIMUMS[priv->msslevel + 1] == 0) { DEBUG (PSEUDO_TCP_DEBUG_NORMAL, "MTU too small"); return FALSE; } /* !?! We need to break up all outstanding and pending packets and then retransmit!?! */ priv->mss = PACKET_MAXIMUMS[++priv->msslevel] - PACKET_OVERHEAD; // I added this... haven't researched actual formula priv->cwnd = 2 * priv->mss; if (priv->mss < nTransmit) { nTransmit = priv->mss; break; } } DEBUG (PSEUDO_TCP_DEBUG_NORMAL, "Adjusting mss to %d bytes ", priv->mss); } if (nTransmit < segment->len) { SSegment *subseg = g_slice_new0 (SSegment); subseg->seq = segment->seq + nTransmit; subseg->len = segment->len - nTransmit; subseg->bCtrl = segment->bCtrl; subseg->xmit = segment->xmit; DEBUG (PSEUDO_TCP_DEBUG_NORMAL, "mss reduced to %d", priv->mss); segment->len = nTransmit; priv->slist = g_list_insert_before(priv->slist, seg->next, subseg); } if (segment->xmit == 0) { priv->snd_nxt += segment->len; } segment->xmit += 1; if (priv->rto_base == 0) { priv->rto_base = now; } return TRUE; } static void attempt_send(PseudoTcpSocket *self, SendFlags sflags) { PseudoTcpSocketPrivate *priv = self->priv; guint32 now = get_current_time(); gboolean bFirst = TRUE; if (time_diff(now, priv->lastsend) > (long) priv->rx_rto) { priv->cwnd = priv->mss; } while (TRUE) { guint32 cwnd; guint32 nWindow; guint32 nInFlight; guint32 nUseable; guint32 nAvailable; GList *iter; cwnd = priv->cwnd; if ((priv->dup_acks == 1) || (priv->dup_acks == 2)) { // Limited Transmit cwnd += priv->dup_acks * priv->mss; } nWindow = min(priv->snd_wnd, cwnd); nInFlight = priv->snd_nxt - priv->snd_una; nUseable = (nInFlight < nWindow) ? (nWindow - nInFlight) : 0; nAvailable = min(priv->slen - nInFlight, priv->mss); if (nAvailable > nUseable) { if (nUseable * 4 < nWindow) { // RFC 813 - avoid SWS nAvailable = 0; } else { nAvailable = nUseable; } } if (bFirst) { bFirst = FALSE; DEBUG (PSEUDO_TCP_DEBUG_VERBOSE, "[cwnd: %d nWindow: %d nInFlight: %d " "nAvailable: %d nQueued: %d nEmpty: %" G_GSIZE_FORMAT " ssthresh: %d]", priv->cwnd, nWindow, nInFlight, nAvailable, priv->slen - nInFlight, sizeof(priv->sbuf) - priv->slen, priv->ssthresh); } if (nAvailable == 0) { if (sflags == sfNone) return; // If this is an immediate ack, or the second delayed ack if ((sflags == sfImmediateAck) || priv->t_ack) { packet(self, priv->snd_nxt, 0, 0, 0); } else { priv->t_ack = get_current_time(); } return; } // Nagle algorithm if ((priv->snd_nxt > priv->snd_una) && (nAvailable < priv->mss)) { return; } // Find the next segment to transmit iter = priv->slist; while (((SSegment*)iter->data)->xmit > 0) { iter = g_list_next (iter); g_assert(iter); } // If the segment is too large, break it into two if (((SSegment*)iter->data)->len > nAvailable) { SSegment *subseg = g_slice_new0 (SSegment); subseg->seq = ((SSegment*)iter->data)->seq + nAvailable; subseg->len = ((SSegment*)iter->data)->len - nAvailable; subseg->bCtrl = ((SSegment*)iter->data)->bCtrl; ((SSegment*)iter->data)->len = nAvailable; priv->slist = g_list_insert_before(priv->slist, iter->next, subseg); } if (!transmit(self, iter, now)) { DEBUG (PSEUDO_TCP_DEBUG_NORMAL, "transmit failed"); // TODO: consider closing socket return; } sflags = sfNone; } } static void closedown(PseudoTcpSocket *self, guint32 err) { PseudoTcpSocketPrivate *priv = self->priv; priv->slen = 0; DEBUG (PSEUDO_TCP_DEBUG_NORMAL, "State: TCP_CLOSED"); priv->state = TCP_CLOSED; if (priv->callbacks.PseudoTcpClosed) priv->callbacks.PseudoTcpClosed(self, err, priv->callbacks.user_data); } static void adjustMTU(PseudoTcpSocket *self) { PseudoTcpSocketPrivate *priv = self->priv; // Determine our current mss level, so that we can adjust appropriately later for (priv->msslevel = 0; PACKET_MAXIMUMS[priv->msslevel + 1] > 0; ++priv->msslevel) { if (((guint16)PACKET_MAXIMUMS[priv->msslevel]) <= priv->mtu_advise) { break; } } priv->mss = priv->mtu_advise - PACKET_OVERHEAD; // !?! Should we reset priv->largest here? DEBUG (PSEUDO_TCP_DEBUG_NORMAL, "Adjusting mss to %d bytes", priv->mss); // Enforce minimums on ssthresh and cwnd priv->ssthresh = max(priv->ssthresh, 2 * priv->mss); priv->cwnd = max(priv->cwnd, priv->mss); } libnice-0.1.4/agent/debug.h0000664000175000017500000000700711522161145012403 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008 Collabora Ltd. * Contact: Youness Alaoui * (C) 2008 Nokia Corporation. All rights reserved. * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef _DEBUG_H #define _DEBUG_H /** * SECTION:debug * @short_description: Debug messages utility functions * @stability: Unstable * * Libnice can output a lot of information when debug messages are enabled. * This can significantly help track down problems and/or understand what * it's doing. * * You can enable/disable the debug messages by calling nice_debug_enable() * or nice_debug_disable() and choosing whether you want only ICE debug messages * or also stun debug messages. * * By default, the debug messages are disabled, unless the environment * variable NICE_DEBUG is set, in which case, it must contain a comma separated * list of flags specifying which debug to enable. * The currently available flags are "nice", "stun", "pseudotcp", * "pseudotcp-verbose" or "all" to enable all debug messages. * If the 'pseudotcp' flag is enabled, then 'pseudotcp-verbose' gets * automatically disabled. This is to allow the use of the 'all' flag without * having verbose messages from pseudotcp. You can enable verbose debug messages * from the pseudotcp layer by specifying 'pseudotcp-verbose' without the * 'pseudotcp' flag. * * * This API is unstable and is subject to change at any time... * More flags are to come and a better API to enable/disable each flag * should be added. */ #include G_BEGIN_DECLS /** * nice_debug_init: * * Initialize the debugging system. Uses the NICE_DEBUG environment variable * to set the appropriate debugging flags */ void nice_debug_init (void); /** * nice_debug_enable: * @with_stun: Also enable stun debugging messages * * Enables libnice debug output to the terminal */ void nice_debug_enable (gboolean with_stun); /** * nice_debug_disable: * @with_stun: Also disable stun debugging messages * * Disables libnice debug output to the terminal */ void nice_debug_disable (gboolean with_stun); void nice_debug (const char *fmt, ...); G_END_DECLS #endif /* _DEBUG_H */ libnice-0.1.4/agent/discovery.h0000664000175000017500000001104212024152577013325 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2007-2009 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * Kai Vehmanen, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef _NICE_DISCOVERY_H #define _NICE_DISCOVERY_H /* note: this is a private header to libnice */ #include "stream.h" #include "agent.h" typedef struct { NiceAgent *agent; /**< back pointer to owner */ NiceCandidateType type; /**< candidate type STUN or TURN */ NiceSocket *nicesock; /**< XXX: should be taken from local cand: existing socket to use */ NiceAddress server; /**< STUN/TURN server address */ GTimeVal next_tick; /**< next tick timestamp */ gboolean pending; /**< is discovery in progress? */ gboolean done; /**< is discovery complete? */ Stream *stream; Component *component; TurnServer *turn; StunAgent stun_agent; uint8_t *msn_turn_username; uint8_t *msn_turn_password; StunTimer timer; uint8_t stun_buffer[STUN_MAX_MESSAGE_SIZE]; StunMessage stun_message; uint8_t stun_resp_buffer[STUN_MAX_MESSAGE_SIZE]; StunMessage stun_resp_msg; } CandidateDiscovery; typedef struct { NiceAgent *agent; /**< back pointer to owner */ NiceSocket *nicesock; /**< existing socket to use */ NiceSocket *relay_socket; /**< relay socket from which we receive */ NiceAddress server; /**< STUN/TURN server address */ Stream *stream; Component *component; TurnServer *turn; StunAgent stun_agent; GSource *timer_source; GSource *tick_source; uint8_t *msn_turn_username; uint8_t *msn_turn_password; StunTimer timer; uint8_t stun_buffer[STUN_MAX_MESSAGE_SIZE]; StunMessage stun_message; uint8_t stun_resp_buffer[STUN_MAX_MESSAGE_SIZE]; StunMessage stun_resp_msg; } CandidateRefresh; void refresh_free_item (gpointer data, gpointer user_data); void refresh_free (NiceAgent *agent); void refresh_prune_stream (NiceAgent *agent, guint stream_id); void refresh_cancel (CandidateRefresh *refresh); void discovery_free_item (gpointer data, gpointer user_data); void discovery_free (NiceAgent *agent); void discovery_prune_stream (NiceAgent *agent, guint stream_id); void discovery_schedule (NiceAgent *agent); NiceCandidate * discovery_add_local_host_candidate ( NiceAgent *agent, guint stream_id, guint component_id, NiceAddress *address); NiceCandidate* discovery_add_relay_candidate ( NiceAgent *agent, guint stream_id, guint component_id, NiceAddress *address, NiceSocket *base_socket, TurnServer *turn); NiceCandidate* discovery_add_server_reflexive_candidate ( NiceAgent *agent, guint stream_id, guint component_id, NiceAddress *address, NiceSocket *base_socket); NiceCandidate* discovery_add_peer_reflexive_candidate ( NiceAgent *agent, guint stream_id, guint component_id, NiceAddress *address, NiceSocket *base_socket, NiceCandidate *local, NiceCandidate *remote); NiceCandidate * discovery_learn_remote_peer_reflexive_candidate ( NiceAgent *agent, Stream *stream, Component *component, guint32 priority, const NiceAddress *remote_address, NiceSocket *udp_socket, NiceCandidate *local, NiceCandidate *remote); #endif /*_NICE_CONNCHECK_H */ libnice-0.1.4/agent/agent-signals-marshal.h0000664000175000017500000000452012112006673015473 00000000000000 #ifndef __agent_marshal_MARSHAL_H__ #define __agent_marshal_MARSHAL_H__ #include G_BEGIN_DECLS /* VOID:UINT,UINT,UINT (agent-signals-marshal.list:2) */ extern void agent_marshal_VOID__UINT_UINT_UINT (GClosure *closure, GValue *return_value, guint n_param_values, const GValue *param_values, gpointer invocation_hint, gpointer marshal_data); /* VOID:UINT,UINT,STRING,STRING (agent-signals-marshal.list:4) */ extern void agent_marshal_VOID__UINT_UINT_STRING_STRING (GClosure *closure, GValue *return_value, guint n_param_values, const GValue *param_values, gpointer invocation_hint, gpointer marshal_data); /* VOID:UINT,UINT,STRING (agent-signals-marshal.list:6) */ extern void agent_marshal_VOID__UINT_UINT_STRING (GClosure *closure, GValue *return_value, guint n_param_values, const GValue *param_values, gpointer invocation_hint, gpointer marshal_data); /* VOID:UINT (agent-signals-marshal.list:9) */ #define agent_marshal_VOID__UINT g_cclosure_marshal_VOID__UINT /* VOID:UINT,UINT (agent-signals-marshal.list:11) */ extern void agent_marshal_VOID__UINT_UINT (GClosure *closure, GValue *return_value, guint n_param_values, const GValue *param_values, gpointer invocation_hint, gpointer marshal_data); G_END_DECLS #endif /* __agent_marshal_MARSHAL_H__ */ libnice-0.1.4/agent/discovery.c0000664000175000017500000007761412024152577013341 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2007-2009 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * Kai Vehmanen, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ /* * @file discovery.c * @brief ICE candidate discovery functions */ #ifdef HAVE_CONFIG_H # include #endif #include #include #include #include #include "debug.h" #include "agent.h" #include "agent-priv.h" #include "agent-signals-marshal.h" #include "component.h" #include "discovery.h" #include "stun/usages/bind.h" #include "stun/usages/turn.h" #include "socket.h" static inline int priv_timer_expired (GTimeVal *timer, GTimeVal *now) { return (now->tv_sec == timer->tv_sec) ? now->tv_usec >= timer->tv_usec : now->tv_sec >= timer->tv_sec; } /* * Frees the CandidateDiscovery structure pointed to * by 'user data'. Compatible with g_slist_foreach(). */ void discovery_free_item (gpointer data, gpointer user_data) { CandidateDiscovery *cand = data; g_assert (user_data == NULL); g_free (cand->msn_turn_username); g_free (cand->msn_turn_password); g_slice_free (CandidateDiscovery, cand); } /* * Frees all discovery related resources for the agent. */ void discovery_free (NiceAgent *agent) { g_slist_foreach (agent->discovery_list, discovery_free_item, NULL); g_slist_free (agent->discovery_list); agent->discovery_list = NULL; agent->discovery_unsched_items = 0; if (agent->discovery_timer_source != NULL) { g_source_destroy (agent->discovery_timer_source); g_source_unref (agent->discovery_timer_source); agent->discovery_timer_source = NULL; } } /* * Prunes the list of discovery processes for items related * to stream 'stream_id'. * * @return TRUE on success, FALSE on a fatal error */ void discovery_prune_stream (NiceAgent *agent, guint stream_id) { GSList *i; for (i = agent->discovery_list; i ; ) { CandidateDiscovery *cand = i->data; GSList *next = i->next; if (cand->stream->id == stream_id) { agent->discovery_list = g_slist_remove (agent->discovery_list, cand); discovery_free_item (cand, NULL); } i = next; } if (agent->discovery_list == NULL) { /* noone using the timer anymore, clean it up */ discovery_free (agent); } } /* * Frees the CandidateDiscovery structure pointed to * by 'user data'. Compatible with g_slist_foreach(). */ void refresh_free_item (gpointer data, gpointer user_data) { CandidateRefresh *cand = data; NiceAgent *agent = cand->agent; uint8_t *username; size_t username_len; uint8_t *password; size_t password_len; size_t buffer_len = 0; StunUsageTurnCompatibility turn_compat = agent_to_turn_compatibility (agent); g_assert (user_data == NULL); if (cand->timer_source != NULL) { g_source_destroy (cand->timer_source); g_source_unref (cand->timer_source); cand->timer_source = NULL; } if (cand->tick_source != NULL) { g_source_destroy (cand->tick_source); g_source_unref (cand->tick_source); cand->tick_source = NULL; } username = (uint8_t *)cand->turn->username; username_len = (size_t) strlen (cand->turn->username); password = (uint8_t *)cand->turn->password; password_len = (size_t) strlen (cand->turn->password); if (turn_compat == STUN_USAGE_TURN_COMPATIBILITY_MSN || turn_compat == STUN_USAGE_TURN_COMPATIBILITY_OC2007) { username = g_base64_decode ((gchar *)username, &username_len); password = g_base64_decode ((gchar *)password, &password_len); } buffer_len = stun_usage_turn_create_refresh (&cand->stun_agent, &cand->stun_message, cand->stun_buffer, sizeof(cand->stun_buffer), cand->stun_resp_msg.buffer == NULL ? NULL : &cand->stun_resp_msg, 0, username, username_len, password, password_len, agent_to_turn_compatibility (agent)); if (buffer_len > 0) { StunTransactionId id; /* forget the transaction since we don't care about the result and * we don't implement retransmissions/timeout */ stun_message_id (&cand->stun_message, id); stun_agent_forget_transaction (&cand->stun_agent, id); /* send the refresh twice since we won't do retransmissions */ nice_socket_send (cand->nicesock, &cand->server, buffer_len, (gchar *)cand->stun_buffer); if (!nice_socket_is_reliable (cand->nicesock)) { nice_socket_send (cand->nicesock, &cand->server, buffer_len, (gchar *)cand->stun_buffer); } } if (turn_compat == STUN_USAGE_TURN_COMPATIBILITY_MSN || turn_compat == STUN_USAGE_TURN_COMPATIBILITY_OC2007) { g_free (username); g_free (password); } g_slice_free (CandidateRefresh, cand); } /* * Frees all discovery related resources for the agent. */ void refresh_free (NiceAgent *agent) { g_slist_foreach (agent->refresh_list, refresh_free_item, NULL); g_slist_free (agent->refresh_list); agent->refresh_list = NULL; } /* * Prunes the list of discovery processes for items related * to stream 'stream_id'. * * @return TRUE on success, FALSE on a fatal error */ void refresh_prune_stream (NiceAgent *agent, guint stream_id) { GSList *i; for (i = agent->refresh_list; i ;) { CandidateRefresh *cand = i->data; GSList *next = i->next; if (cand->stream->id == stream_id) { agent->refresh_list = g_slist_remove (agent->refresh_list, cand); refresh_free_item (cand, NULL); } i = next; } } void refresh_cancel (CandidateRefresh *refresh) { refresh->agent->refresh_list = g_slist_remove (refresh->agent->refresh_list, refresh); refresh_free_item (refresh, NULL); } /* * Adds a new local candidate. Implements the candidate pruning * defined in ICE spec section 4.1.3 "Eliminating Redundant * Candidates" (ID-19). */ static gboolean priv_add_local_candidate_pruned (NiceAgent *agent, guint stream_id, Component *component, NiceCandidate *candidate) { GSList *i; for (i = component->local_candidates; i ; i = i->next) { NiceCandidate *c = i->data; if (nice_address_equal (&c->base_addr, &candidate->base_addr) && nice_address_equal (&c->addr, &candidate->addr)) { nice_debug ("Candidate %p (component-id %u) redundant, ignoring.", candidate, component->id); return FALSE; } } component->local_candidates = g_slist_append (component->local_candidates, candidate); conn_check_add_for_local_candidate(agent, stream_id, component, candidate); return TRUE; } static guint priv_highest_remote_foundation (Component *component) { GSList *i; guint highest = 1; gchar foundation[NICE_CANDIDATE_MAX_FOUNDATION]; for (highest = 1;; highest++) { gboolean taken = FALSE; g_snprintf (foundation, NICE_CANDIDATE_MAX_FOUNDATION, "%u", highest); for (i = component->remote_candidates; i; i = i->next) { NiceCandidate *cand = i->data; if (strncmp (foundation, cand->foundation, NICE_CANDIDATE_MAX_FOUNDATION) == 0) { taken = TRUE; break; } } if (!taken) return highest; } g_return_val_if_reached (highest); } /* * Assings a foundation to the candidate. * * Implements the mechanism described in ICE sect * 4.1.1.3 "Computing Foundations" (ID-19). */ static void priv_assign_foundation (NiceAgent *agent, NiceCandidate *candidate) { GSList *i, *j, *k; for (i = agent->streams; i; i = i->next) { Stream *stream = i->data; for (j = stream->components; j; j = j->next) { Component *component = j->data; for (k = component->local_candidates; k; k = k->next) { NiceCandidate *n = k->data; NiceAddress temp = n->base_addr; /* note: candidate must not on the local candidate list */ g_assert (candidate != n); /* note: ports are not to be compared */ nice_address_set_port (&temp, nice_address_get_port (&candidate->base_addr)); if (candidate->type == n->type && candidate->transport == n->transport && candidate->stream_id == n->stream_id && nice_address_equal (&candidate->base_addr, &temp) && !(agent->compatibility == NICE_COMPATIBILITY_GOOGLE && n->type == NICE_CANDIDATE_TYPE_RELAYED)) { /* note: currently only one STUN/TURN server per stream at a * time is supported, so there is no need to check * for candidates that would otherwise share the * foundation, but have different STUN/TURN servers */ g_strlcpy (candidate->foundation, n->foundation, NICE_CANDIDATE_MAX_FOUNDATION); if (n->username) { g_free (candidate->username); candidate->username = g_strdup (n->username); } if (n->password) { g_free (candidate->password); candidate->password = g_strdup (n->password); } return; } } } } g_snprintf (candidate->foundation, NICE_CANDIDATE_MAX_FOUNDATION, "%u", agent->next_candidate_id++); } static void priv_assign_remote_foundation (NiceAgent *agent, NiceCandidate *candidate) { GSList *i, *j, *k; guint next_remote_id; Component *component = NULL; for (i = agent->streams; i; i = i->next) { Stream *stream = i->data; for (j = stream->components; j; j = j->next) { Component *c = j->data; if (c->id == candidate->component_id) component = c; for (k = c->remote_candidates; k; k = k->next) { NiceCandidate *n = k->data; NiceAddress temp = n->addr; /* note: candidate must not on the remote candidate list */ g_assert (candidate != n); /* note: ports are not to be compared */ nice_address_set_port (&temp, nice_address_get_port (&candidate->base_addr)); if (candidate->type == n->type && candidate->stream_id == n->stream_id && nice_address_equal (&candidate->addr, &temp)) { /* note: currently only one STUN/TURN server per stream at a * time is supported, so there is no need to check * for candidates that would otherwise share the * foundation, but have different STUN/TURN servers */ g_strlcpy (candidate->foundation, n->foundation, NICE_CANDIDATE_MAX_FOUNDATION); if (n->username) { g_free (candidate->username); candidate->username = g_strdup (n->username); } if (n->password) { g_free (candidate->password); candidate->password = g_strdup (n->password); } return; } } } } if (component) { next_remote_id = priv_highest_remote_foundation (component); g_snprintf (candidate->foundation, NICE_CANDIDATE_MAX_FOUNDATION, "%u", next_remote_id); } } static void priv_generate_candidate_credentials (NiceAgent *agent, NiceCandidate *candidate) { if (agent->compatibility == NICE_COMPATIBILITY_MSN || agent->compatibility == NICE_COMPATIBILITY_OC2007) { guchar username[32]; guchar password[16]; g_free (candidate->username); g_free (candidate->password); nice_rng_generate_bytes (agent->rng, 32, (gchar *)username); nice_rng_generate_bytes (agent->rng, 16, (gchar *)password); candidate->username = g_base64_encode (username, 32); candidate->password = g_base64_encode (password, 16); } else if (agent->compatibility == NICE_COMPATIBILITY_GOOGLE) { gchar username[16]; g_free (candidate->username); g_free (candidate->password); candidate->password = NULL; nice_rng_generate_bytes_print (agent->rng, 16, (gchar *)username); candidate->username = g_strndup (username, 16); } } /* * Creates a local host candidate for 'component_id' of stream * 'stream_id'. * * @return pointer to the created candidate, or NULL on error */ NiceCandidate *discovery_add_local_host_candidate ( NiceAgent *agent, guint stream_id, guint component_id, NiceAddress *address) { NiceCandidate *candidate; Component *component; Stream *stream; NiceSocket *udp_socket = NULL; if (!agent_find_component (agent, stream_id, component_id, &stream, &component)) return NULL; candidate = nice_candidate_new (NICE_CANDIDATE_TYPE_HOST); candidate->stream_id = stream_id; candidate->component_id = component_id; candidate->addr = *address; candidate->base_addr = *address; if (agent->compatibility == NICE_COMPATIBILITY_GOOGLE) { candidate->priority = nice_candidate_jingle_priority (candidate); } else if (agent->compatibility == NICE_COMPATIBILITY_MSN || agent->compatibility == NICE_COMPATIBILITY_OC2007) { candidate->priority = nice_candidate_msn_priority (candidate); } else { candidate->priority = nice_candidate_ice_priority (candidate); } priv_generate_candidate_credentials (agent, candidate); priv_assign_foundation (agent, candidate); /* note: candidate username and password are left NULL as stream level ufrag/password are used */ udp_socket = nice_udp_bsd_socket_new (address); if (!udp_socket) goto errors; _priv_set_socket_tos (agent, udp_socket, stream->tos); agent_attach_stream_component_socket (agent, stream, component, udp_socket); candidate->sockptr = udp_socket; candidate->addr = udp_socket->addr; candidate->base_addr = udp_socket->addr; if (!priv_add_local_candidate_pruned (agent, stream_id, component, candidate)) goto errors; component->sockets = g_slist_append (component->sockets, udp_socket); return candidate; errors: nice_candidate_free (candidate); if (udp_socket) nice_socket_free (udp_socket); return NULL; } /* * Creates a server reflexive candidate for 'component_id' of stream * 'stream_id'. * * @return pointer to the created candidate, or NULL on error */ NiceCandidate* discovery_add_server_reflexive_candidate ( NiceAgent *agent, guint stream_id, guint component_id, NiceAddress *address, NiceSocket *base_socket) { NiceCandidate *candidate; Component *component; Stream *stream; gboolean result = FALSE; if (!agent_find_component (agent, stream_id, component_id, &stream, &component)) return NULL; candidate = nice_candidate_new (NICE_CANDIDATE_TYPE_SERVER_REFLEXIVE); if (agent->compatibility == NICE_COMPATIBILITY_GOOGLE) { candidate->priority = nice_candidate_jingle_priority (candidate); } else if (agent->compatibility == NICE_COMPATIBILITY_MSN || agent->compatibility == NICE_COMPATIBILITY_OC2007) { candidate->priority = nice_candidate_msn_priority (candidate); } else { candidate->priority = nice_candidate_ice_priority_full (NICE_CANDIDATE_TYPE_PREF_SERVER_REFLEXIVE, 0, component_id); } candidate->stream_id = stream_id; candidate->component_id = component_id; candidate->addr = *address; /* step: link to the base candidate+socket */ candidate->sockptr = base_socket; candidate->base_addr = base_socket->addr; priv_generate_candidate_credentials (agent, candidate); priv_assign_foundation (agent, candidate); result = priv_add_local_candidate_pruned (agent, stream_id, component, candidate); if (result) { agent_signal_new_candidate (agent, candidate); } else { /* error: duplicate candidate */ nice_candidate_free (candidate), candidate = NULL; } return candidate; } /* * Creates a server reflexive candidate for 'component_id' of stream * 'stream_id'. * * @return pointer to the created candidate, or NULL on error */ NiceCandidate* discovery_add_relay_candidate ( NiceAgent *agent, guint stream_id, guint component_id, NiceAddress *address, NiceSocket *base_socket, TurnServer *turn) { NiceCandidate *candidate; Component *component; Stream *stream; NiceSocket *relay_socket = NULL; if (!agent_find_component (agent, stream_id, component_id, &stream, &component)) return NULL; candidate = nice_candidate_new (NICE_CANDIDATE_TYPE_RELAYED); if (agent->compatibility == NICE_COMPATIBILITY_GOOGLE) { candidate->priority = nice_candidate_jingle_priority (candidate); } else if (agent->compatibility == NICE_COMPATIBILITY_MSN || agent->compatibility == NICE_COMPATIBILITY_OC2007) { candidate->priority = nice_candidate_msn_priority (candidate); } else { candidate->priority = nice_candidate_ice_priority_full (NICE_CANDIDATE_TYPE_PREF_RELAYED, 0, component_id); } candidate->stream_id = stream_id; candidate->component_id = component_id; candidate->addr = *address; candidate->turn = turn; /* step: link to the base candidate+socket */ relay_socket = nice_turn_socket_new (agent->main_context, address, base_socket, &turn->server, turn->username, turn->password, agent_to_turn_socket_compatibility (agent)); if (!relay_socket) goto errors; candidate->sockptr = relay_socket; candidate->base_addr = base_socket->addr; priv_generate_candidate_credentials (agent, candidate); /* Google uses the turn username as the candidate username */ if (agent->compatibility == NICE_COMPATIBILITY_GOOGLE) { g_free (candidate->username); candidate->username = g_strdup (turn->username); } priv_assign_foundation (agent, candidate); if (!priv_add_local_candidate_pruned (agent, stream_id, component, candidate)) goto errors; component->sockets = g_slist_append (component->sockets, relay_socket); agent_signal_new_candidate (agent, candidate); return candidate; errors: nice_candidate_free (candidate); if (relay_socket) nice_socket_free (relay_socket); return NULL; } /* * Creates a peer reflexive candidate for 'component_id' of stream * 'stream_id'. * * @return pointer to the created candidate, or NULL on error */ NiceCandidate* discovery_add_peer_reflexive_candidate ( NiceAgent *agent, guint stream_id, guint component_id, NiceAddress *address, NiceSocket *base_socket, NiceCandidate *local, NiceCandidate *remote) { NiceCandidate *candidate; Component *component; Stream *stream; gboolean result; if (!agent_find_component (agent, stream_id, component_id, &stream, &component)) return NULL; candidate = nice_candidate_new (NICE_CANDIDATE_TYPE_PEER_REFLEXIVE); candidate->transport = NICE_CANDIDATE_TRANSPORT_UDP; if (agent->compatibility == NICE_COMPATIBILITY_GOOGLE) { candidate->priority = nice_candidate_jingle_priority (candidate); } else if (agent->compatibility == NICE_COMPATIBILITY_MSN || agent->compatibility == NICE_COMPATIBILITY_OC2007) { candidate->priority = nice_candidate_msn_priority (candidate); } else { candidate->priority = nice_candidate_ice_priority_full (NICE_CANDIDATE_TYPE_PREF_PEER_REFLEXIVE, 0, component_id); } candidate->stream_id = stream_id; candidate->component_id = component_id; candidate->addr = *address; candidate->base_addr = base_socket->addr; priv_assign_foundation (agent, candidate); if ((agent->compatibility == NICE_COMPATIBILITY_MSN || agent->compatibility == NICE_COMPATIBILITY_OC2007) && remote && local) { guchar *new_username = NULL; guchar *decoded_local = NULL; guchar *decoded_remote = NULL; gsize local_size; gsize remote_size; g_free(candidate->username); g_free(candidate->password); decoded_local = g_base64_decode (local->username, &local_size); decoded_remote = g_base64_decode (remote->username, &remote_size); new_username = g_new0(guchar, local_size + remote_size); memcpy(new_username, decoded_local, local_size); memcpy(new_username + local_size, decoded_remote, remote_size); candidate->username = g_base64_encode (new_username, local_size + remote_size); g_free(new_username); g_free(decoded_local); g_free(decoded_remote); candidate->password = g_strdup(local->password); } else if (local) { g_free(candidate->username); g_free(candidate->password); candidate->username = g_strdup(local->username); candidate->password = g_strdup(local->password); } /* step: link to the base candidate+socket */ candidate->sockptr = base_socket; candidate->base_addr = base_socket->addr; result = priv_add_local_candidate_pruned (agent, stream_id, component, candidate); if (result != TRUE) { /* error: memory allocation, or duplicate candidate */ nice_candidate_free (candidate), candidate = NULL; } return candidate; } /* * Adds a new peer reflexive candidate to the list of known * remote candidates. The candidate is however not paired with * existing local candidates. * * See ICE sect 7.2.1.3 "Learning Peer Reflexive Candidates" (ID-19). * * @return pointer to the created candidate, or NULL on error */ NiceCandidate *discovery_learn_remote_peer_reflexive_candidate ( NiceAgent *agent, Stream *stream, Component *component, guint32 priority, const NiceAddress *remote_address, NiceSocket *udp_socket, NiceCandidate *local, NiceCandidate *remote) { NiceCandidate *candidate; /* XXX: for use compiler */ (void)udp_socket; candidate = nice_candidate_new (NICE_CANDIDATE_TYPE_PEER_REFLEXIVE); candidate->transport = NICE_CANDIDATE_TRANSPORT_UDP; candidate->addr = *remote_address; candidate->base_addr = *remote_address; /* if the check didn't contain the PRIORITY attribute, then the priority will * be 0, which is invalid... */ if (priority != 0) { candidate->priority = priority; } else if (agent->compatibility == NICE_COMPATIBILITY_GOOGLE) { candidate->priority = nice_candidate_jingle_priority (candidate); } else if (agent->compatibility == NICE_COMPATIBILITY_MSN || agent->compatibility == NICE_COMPATIBILITY_OC2007) { candidate->priority = nice_candidate_msn_priority (candidate); } else { candidate->priority = nice_candidate_ice_priority_full (NICE_CANDIDATE_TYPE_PREF_PEER_REFLEXIVE, 0, component->id); } candidate->stream_id = stream->id; candidate->component_id = component->id; priv_assign_remote_foundation (agent, candidate); if ((agent->compatibility == NICE_COMPATIBILITY_MSN || agent->compatibility == NICE_COMPATIBILITY_OC2007) && remote && local) { guchar *new_username = NULL; guchar *decoded_local = NULL; guchar *decoded_remote = NULL; gsize local_size; gsize remote_size; g_free(candidate->username); g_free (candidate->password); decoded_local = g_base64_decode (local->username, &local_size); decoded_remote = g_base64_decode (remote->username, &remote_size); new_username = g_new0(guchar, local_size + remote_size); memcpy(new_username, decoded_remote, remote_size); memcpy(new_username + remote_size, decoded_local, local_size); candidate->username = g_base64_encode (new_username, local_size + remote_size); g_free(new_username); g_free(decoded_local); g_free(decoded_remote); candidate->password = g_strdup(remote->password); } else if (remote) { g_free (candidate->username); g_free (candidate->password); candidate->username = g_strdup(remote->username); candidate->password = g_strdup(remote->password); } candidate->sockptr = NULL; /* not stored for remote candidates */ /* note: candidate username and password are left NULL as stream level ufrag/password are used */ component->remote_candidates = g_slist_append (component->remote_candidates, candidate); agent_signal_new_remote_candidate (agent, candidate); return candidate; } /* * Timer callback that handles scheduling new candidate discovery * processes (paced by the Ta timer), and handles running of the * existing discovery processes. * * This function is designed for the g_timeout_add() interface. * * @return will return FALSE when no more pending timers. */ static gboolean priv_discovery_tick_unlocked (gpointer pointer) { CandidateDiscovery *cand; NiceAgent *agent = pointer; GSList *i; int not_done = 0; /* note: track whether to continue timer */ size_t buffer_len = 0; { static int tick_counter = 0; if (tick_counter++ % 50 == 0) nice_debug ("Agent %p : discovery tick #%d with list %p (1)", agent, tick_counter, agent->discovery_list); } for (i = agent->discovery_list; i ; i = i->next) { cand = i->data; if (cand->pending != TRUE) { cand->pending = TRUE; if (agent->discovery_unsched_items) --agent->discovery_unsched_items; { gchar tmpbuf[INET6_ADDRSTRLEN]; nice_address_to_string (&cand->server, tmpbuf); nice_debug ("Agent %p : discovery - scheduling cand type %u addr %s.\n", agent, cand->type, tmpbuf); } if (nice_address_is_valid (&cand->server) && (cand->type == NICE_CANDIDATE_TYPE_SERVER_REFLEXIVE || cand->type == NICE_CANDIDATE_TYPE_RELAYED)) { agent_signal_component_state_change (agent, cand->stream->id, cand->component->id, NICE_COMPONENT_STATE_GATHERING); if (cand->type == NICE_CANDIDATE_TYPE_SERVER_REFLEXIVE) { buffer_len = stun_usage_bind_create (&cand->stun_agent, &cand->stun_message, cand->stun_buffer, sizeof(cand->stun_buffer)); } else if (cand->type == NICE_CANDIDATE_TYPE_RELAYED) { uint8_t *username = (uint8_t *)cand->turn->username; size_t username_len = (size_t) strlen (cand->turn->username); uint8_t *password = (uint8_t *)cand->turn->password; size_t password_len = (size_t) strlen (cand->turn->password); StunUsageTurnCompatibility turn_compat = agent_to_turn_compatibility (agent); if (turn_compat == STUN_USAGE_TURN_COMPATIBILITY_MSN || turn_compat == STUN_USAGE_TURN_COMPATIBILITY_OC2007) { username = g_base64_decode ((gchar *)username, &username_len); password = g_base64_decode ((gchar *)password, &password_len); } buffer_len = stun_usage_turn_create (&cand->stun_agent, &cand->stun_message, cand->stun_buffer, sizeof(cand->stun_buffer), cand->stun_resp_msg.buffer == NULL ? NULL : &cand->stun_resp_msg, STUN_USAGE_TURN_REQUEST_PORT_NORMAL, -1, -1, username, username_len, password, password_len, turn_compat); if (turn_compat == STUN_USAGE_TURN_COMPATIBILITY_MSN || turn_compat == STUN_USAGE_TURN_COMPATIBILITY_OC2007) { g_free (cand->msn_turn_username); g_free (cand->msn_turn_password); cand->msn_turn_username = username; cand->msn_turn_password = password; } } if (buffer_len > 0) { if (nice_socket_is_reliable (cand->nicesock)) { stun_timer_start_reliable (&cand->timer, STUN_TIMER_DEFAULT_RELIABLE_TIMEOUT); } else { stun_timer_start (&cand->timer, 200, STUN_TIMER_DEFAULT_MAX_RETRANSMISSIONS); } /* send the conncheck */ nice_socket_send (cand->nicesock, &cand->server, buffer_len, (gchar *)cand->stun_buffer); /* case: success, start waiting for the result */ g_get_current_time (&cand->next_tick); } else { /* case: error in starting discovery, start the next discovery */ cand->done = TRUE; cand->stun_message.buffer = NULL; cand->stun_message.buffer_len = 0; continue; } } else /* allocate relayed candidates */ g_assert_not_reached (); ++not_done; /* note: new discovery scheduled */ } if (cand->done != TRUE) { GTimeVal now; g_get_current_time (&now); if (cand->stun_message.buffer == NULL) { nice_debug ("Agent %p : STUN discovery was cancelled, marking discovery done.", agent); cand->done = TRUE; } else if (priv_timer_expired (&cand->next_tick, &now)) { switch (stun_timer_refresh (&cand->timer)) { case STUN_USAGE_TIMER_RETURN_TIMEOUT: { /* Time out */ /* case: error, abort processing */ StunTransactionId id; stun_message_id (&cand->stun_message, id); stun_agent_forget_transaction (&cand->stun_agent, id); cand->done = TRUE; cand->stun_message.buffer = NULL; cand->stun_message.buffer_len = 0; nice_debug ("Agent %p : bind discovery timed out, aborting discovery item.", agent); break; } case STUN_USAGE_TIMER_RETURN_RETRANSMIT: { /* case: not ready complete, so schedule next timeout */ unsigned int timeout = stun_timer_remainder (&cand->timer); stun_debug ("STUN transaction retransmitted (timeout %dms).\n", timeout); /* retransmit */ nice_socket_send (cand->nicesock, &cand->server, stun_message_length (&cand->stun_message), (gchar *)cand->stun_buffer); /* note: convert from milli to microseconds for g_time_val_add() */ cand->next_tick = now; g_time_val_add (&cand->next_tick, timeout * 1000); ++not_done; /* note: retry later */ break; } case STUN_USAGE_TIMER_RETURN_SUCCESS: { unsigned int timeout = stun_timer_remainder (&cand->timer); cand->next_tick = now; g_time_val_add (&cand->next_tick, timeout * 1000); ++not_done; /* note: retry later */ break; } } } else { ++not_done; /* note: discovery not expired yet */ } } } if (not_done == 0) { nice_debug ("Agent %p : Candidate gathering FINISHED, stopping discovery timer.", agent); discovery_free (agent); agent_gathering_done (agent); /* note: no pending timers, return FALSE to stop timer */ return FALSE; } return TRUE; } static gboolean priv_discovery_tick (gpointer pointer) { NiceAgent *agent = pointer; gboolean ret; agent_lock(); if (g_source_is_destroyed (g_main_current_source ())) { nice_debug ("Source was destroyed. " "Avoided race condition in priv_discovery_tick"); agent_unlock (); return FALSE; } ret = priv_discovery_tick_unlocked (pointer); if (ret == FALSE) { if (agent->discovery_timer_source != NULL) { g_source_destroy (agent->discovery_timer_source); g_source_unref (agent->discovery_timer_source); agent->discovery_timer_source = NULL; } } agent_unlock(); return ret; } /* * Initiates the candidate discovery process by starting * the necessary timers. * * @pre agent->discovery_list != NULL // unsched discovery items available */ void discovery_schedule (NiceAgent *agent) { g_assert (agent->discovery_list != NULL); if (agent->discovery_unsched_items > 0) { if (agent->discovery_timer_source == NULL) { /* step: run first iteration immediately */ gboolean res = priv_discovery_tick_unlocked (agent); if (res == TRUE) { agent->discovery_timer_source = agent_timeout_add_with_context (agent, agent->timer_ta, priv_discovery_tick, agent); } } } } libnice-0.1.4/agent/candidate.h0000664000175000017500000001543712032361204013232 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2006-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2006-2009 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Dafydd Harries, Collabora Ltd. * Youness Alaoui, Collabora Ltd. * Kai Vehmanen, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef _CANDIDATE_H #define _CANDIDATE_H /** * SECTION:candidate * @short_description: ICE candidate representation * @see_also: #NiceAddress * @stability: Stable * * A representation of an ICE candidate. Make sure you read the ICE drafts[1] to * understand correctly the concept of ICE candidates. * * [1] http://tools.ietf.org/wg/mmusic/draft-ietf-mmusic-ice/ */ G_BEGIN_DECLS #define NICE_CANDIDATE_TYPE_PREF_HOST 120 #define NICE_CANDIDATE_TYPE_PREF_PEER_REFLEXIVE 110 #define NICE_CANDIDATE_TYPE_PREF_SERVER_REFLEXIVE 100 #define NICE_CANDIDATE_TYPE_PREF_RELAYED 60 /* Max foundation size '1*32ice-char' plus terminating NULL, ICE ID-19 */ /** * NICE_CANDIDATE_MAX_FOUNDATION: * * The maximum size a candidate foundation can have. */ #define NICE_CANDIDATE_MAX_FOUNDATION (32+1) /** * NiceCandidateType: * @NICE_CANDIDATE_TYPE_HOST: A host candidate * @NICE_CANDIDATE_TYPE_SERVER_REFLEXIVE: A server reflexive candidate * @NICE_CANDIDATE_TYPE_PEER_REFLEXIVE: A peer reflexive candidate * @NICE_CANDIDATE_TYPE_RELAYED: A relay candidate * * An enum represneting the type of a candidate */ typedef enum { NICE_CANDIDATE_TYPE_HOST, NICE_CANDIDATE_TYPE_SERVER_REFLEXIVE, NICE_CANDIDATE_TYPE_PEER_REFLEXIVE, NICE_CANDIDATE_TYPE_RELAYED, } NiceCandidateType; /** * NiceCandidateTransport: * @NICE_CANDIDATE_TRANSPORT_UDP: UDP transport * * An enum representing the type of transport to use */ typedef enum { NICE_CANDIDATE_TRANSPORT_UDP, } NiceCandidateTransport; /** * NiceRelayType: * @NICE_RELAY_TYPE_TURN_UDP: A TURN relay using UDP * @NICE_RELAY_TYPE_TURN_TCP: A TURN relay using TCP * @NICE_RELAY_TYPE_TURN_TLS: A TURN relay using TLS over TCP * * An enum representing the type of relay to use */ typedef enum { NICE_RELAY_TYPE_TURN_UDP, NICE_RELAY_TYPE_TURN_TCP, NICE_RELAY_TYPE_TURN_TLS } NiceRelayType; typedef struct _NiceCandidate NiceCandidate; typedef struct _TurnServer TurnServer; /** * TurnServer: * @server: The #NiceAddress of the TURN server * @username: The TURN username * @password: The TURN password * @type: The #NiceRelayType of the server * * A structure to store the TURN relay settings */ struct _TurnServer { NiceAddress server; /**< TURN server address */ gchar *username; /**< TURN username */ gchar *password; /**< TURN password */ NiceRelayType type; /**< TURN type */ }; /** * NiceCandidate: * @type: The type of candidate * @transport: The transport being used for the candidate * @addr: The #NiceAddress of the candidate * @base_addr: The #NiceAddress of the base address used by the candidate * @priority: The priority of the candidate see note * @stream_id: The ID of the stream to which belongs the candidate * @component_id: The ID of the component to which belongs the candidate * @foundation: The foundation of the candidate * @username: The candidate-specific username to use (overrides the one set * by nice_agent_set_local_credentials() or nice_agent_set_remote_credentials()) * @password: The candidate-specific password to use (overrides the one set * by nice_agent_set_local_credentials() or nice_agent_set_remote_credentials()) * @turn: The #TurnServer settings if the candidate is * of type %NICE_CANDIDATE_TYPE_RELAYED * @sockptr: The underlying socket * * A structure to represent an ICE candidate The @priority is an integer as specified in the ICE draft 19. If you are using the MSN or the GOOGLE compatibility mode (which are based on ICE draft 6, which uses a floating point qvalue as priority), then the @priority value will represent the qvalue multiplied by 1000. */ struct _NiceCandidate { NiceCandidateType type; NiceCandidateTransport transport; NiceAddress addr; NiceAddress base_addr; guint32 priority; guint stream_id; guint component_id; gchar foundation[NICE_CANDIDATE_MAX_FOUNDATION]; gchar *username; /* pointer to a NULL-terminated username string */ gchar *password; /* pointer to a NULL-terminated password string */ TurnServer *turn; gpointer sockptr; }; /** * nice_candidate_new: * @type: The #NiceCandidateType of the candidate to create * * Creates a new candidate. Must be freed with nice_candidate_free() * * Returns: A new #NiceCandidate */ NiceCandidate * nice_candidate_new (NiceCandidateType type); /** * nice_candidate_free: * @candidate: The candidate to free * * Frees a #NiceCandidate */ void nice_candidate_free (NiceCandidate *candidate); /** * nice_candidate_copy: * @candidate: The candidate to copy * * Makes a copy of a #NiceCandidate * * Returns: A new #NiceCandidate, a copy of @candidate */ NiceCandidate * nice_candidate_copy (const NiceCandidate *candidate); guint32 nice_candidate_jingle_priority (NiceCandidate *candidate); guint32 nice_candidate_msn_priority (NiceCandidate *candidate); guint32 nice_candidate_ice_priority_full (guint type_pref, guint local_pref, guint component_id); guint32 nice_candidate_ice_priority (const NiceCandidate *candidate); guint64 nice_candidate_pair_priority (guint32 o_prio, guint32 a_prio); G_END_DECLS #endif /* _CANDIDATE_H */ libnice-0.1.4/agent/Makefile.am0000664000175000017500000000335711674156134013216 00000000000000# # Makefile.am for the Nice Glib ICE library # # (C) 2006, 2007 Collabora Ltd. # (C) 2006, 2007 Nokia Corporation. All rights reserved. # # Licensed under MPL 1.1/LGPL 2.1. See file COPYING. include $(top_srcdir)/common.mk AM_CFLAGS = \ -DG_LOG_DOMAIN=\"libnice\" \ $(ERROR_CFLAGS) \ $(GLIB_CFLAGS) \ $(GUPNP_CFLAGS) \ -I $(top_srcdir) \ -I $(top_srcdir)/random \ -I $(top_srcdir)/socket \ -I $(top_srcdir)/stun if WINDOWS AM_CFLAGS += -DWINVER=0x0501 # _WIN32_WINNT_WINXP endif dist_noinst_DATA = agent-signals-marshal.list noinst_LTLIBRARIES = libagent.la agent-signals-marshal.h: agent-signals-marshal.list glib-genmarshal --header --prefix=agent_marshal $? > $@ agent-signals-marshal.c: agent-signals-marshal.list echo '#include "agent-signals-marshal.h"' > $@ glib-genmarshal --body --prefix=agent_marshal $? | \ sed -e 's/^}$$/(void)return_value;(void)invocation_hint;}/' >> $@ BUILT_SOURCES = \ agent-signals-marshal.h \ agent-signals-marshal.c CLEANFILES += $(BUILT_SOURCES) libagent_la_SOURCES = \ address.h \ address.c \ debug.h \ debug.c \ candidate.h \ candidate.c \ component.h \ component.c \ agent.h \ agent-priv.h \ agent.c \ stream.h \ stream.c \ conncheck.c \ conncheck.h \ discovery.c \ discovery.h \ interfaces.c \ interfaces.h \ pseudotcp.h \ pseudotcp.c \ $(BUILT_SOURCES) libagent_la_LIBADD = \ $(top_builddir)/random/libnice-random.la \ $(top_builddir)/socket/libsocket.la \ $(top_builddir)/stun/libstun.la libagent_la_DEPENDENCIES = \ $(top_builddir)/random/libnice-random.la \ $(top_builddir)/socket/libsocket.la \ $(top_builddir)/stun/libstun.la pkginclude_HEADERS = agent.h candidate.h debug.h address.h interfaces.h pseudotcp.h if WINDOWS libagent_la_LIBADD += -liphlpapi -lws2_32 endif libnice-0.1.4/agent/stream.c0000664000175000017500000000772112104071307012603 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2006-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2006-2009 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Dafydd Harries, Collabora Ltd. * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include #endif #include #include "stream.h" /* * @file stream.c * @brief ICE stream functionality */ Stream * stream_new (guint n_components) { Stream *stream; guint n; Component *component; stream = g_slice_new0 (Stream); for (n = 0; n < n_components; n++) { component = component_new (n + 1); stream->components = g_slist_append (stream->components, component); } stream->n_components = n_components; stream->initial_binding_request_received = FALSE; return stream; } void stream_free (Stream *stream) { GSList *i; if (stream->name) g_free (stream->name); for (i = stream->components; i; i = i->next) { Component *component = i->data; component_free (component); i->data = NULL; } g_slist_free (stream->components); g_slice_free (Stream, stream); } Component * stream_find_component_by_id (const Stream *stream, guint id) { GSList *i; for (i = stream->components; i; i = i->next) { Component *component = i->data; if (component && component->id == id) return component; } return NULL; } /* * Returns true if all components of the stream are either * 'CONNECTED' or 'READY' (connected plus nominated). */ gboolean stream_all_components_ready (const Stream *stream) { GSList *i; for (i = stream->components; i; i = i->next) { Component *component = i->data; if (component && !(component->state == NICE_COMPONENT_STATE_CONNECTED || component->state == NICE_COMPONENT_STATE_READY)) return FALSE; } return TRUE; } /* * Initialized the local crendentials for the stream. */ void stream_initialize_credentials (Stream *stream, NiceRNG *rng) { /* note: generate ufrag/pwd for the stream (see ICE 15.4. * '"ice-ufrag" and "ice-pwd" Attributes', ID-19) */ nice_rng_generate_bytes_print (rng, NICE_STREAM_DEF_UFRAG - 1, stream->local_ufrag); nice_rng_generate_bytes_print (rng, NICE_STREAM_DEF_PWD - 1, stream->local_password); } /* * Resets the stream state to that of a ICE restarted * session. */ gboolean stream_restart (Stream *stream, NiceRNG *rng) { GSList *i; gboolean res = TRUE; stream->initial_binding_request_received = FALSE; stream_initialize_credentials (stream, rng); for (i = stream->components; i && res; i = i->next) { Component *component = i->data; res = component_restart (component); } return res; } libnice-0.1.4/agent/agent-priv.h0000664000175000017500000001544412024152576013403 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2006-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2006-2009 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Dafydd Harries, Collabora Ltd. * Youness Alaoui, Collabora Ltd. * Kai Vehmanen, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef _NICE_AGENT_PRIV_H #define _NICE_AGENT_PRIV_H /* note: this is a private header part of agent.h */ #ifdef HAVE_CONFIG_H # include #else #define NICEAPI_EXPORT #endif #include #include "agent.h" #include "socket.h" #include "candidate.h" #include "stream.h" #include "conncheck.h" #include "component.h" #include "stun/stunagent.h" #include "stun/usages/turn.h" #include "stun/usages/ice.h" #ifdef HAVE_GUPNP #include #endif /* XXX: starting from ICE ID-18, Ta SHOULD now be set according * to session bandwidth -> this is not yet implemented in NICE */ #define NICE_AGENT_TIMER_TA_DEFAULT 20 /* timer Ta, msecs (impl. defined) */ #define NICE_AGENT_TIMER_TR_DEFAULT 25000 /* timer Tr, msecs (impl. defined) */ #define NICE_AGENT_TIMER_TR_MIN 15000 /* timer Tr, msecs (ICE ID-19) */ #define NICE_AGENT_MAX_CONNECTIVITY_CHECKS_DEFAULT 100 /* see spec 5.7.3 (ID-19) */ /* An upper limit to size of STUN packets handled (based on Ethernet * MTU and estimated typical sizes of ICE STUN packet */ #define MAX_STUN_DATAGRAM_PAYLOAD 1300 struct _NiceAgent { GObject parent; /* gobject pointer */ gboolean full_mode; /* property: full-mode */ GTimeVal next_check_tv; /* property: next conncheck timestamp */ gchar *stun_server_ip; /* property: STUN server IP */ guint stun_server_port; /* property: STUN server port */ gchar *proxy_ip; /* property: Proxy server IP */ guint proxy_port; /* property: Proxy server port */ NiceProxyType proxy_type; /* property: Proxy type */ gchar *proxy_username; /* property: Proxy username */ gchar *proxy_password; /* property: Proxy password */ gboolean controlling_mode; /* property: controlling-mode */ guint timer_ta; /* property: timer Ta */ guint max_conn_checks; /* property: max connectivity checks */ GSList *local_addresses; /* list of NiceAddresses for local interfaces */ GSList *streams; /* list of Stream objects */ GMainContext *main_context; /* main context pointer */ guint next_candidate_id; /* id of next created candidate */ guint next_stream_id; /* id of next created candidate */ NiceRNG *rng; /* random number generator */ GSList *discovery_list; /* list of CandidateDiscovery items */ guint discovery_unsched_items; /* number of discovery items unscheduled */ GSource *discovery_timer_source; /* source of discovery timer */ GSource *conncheck_timer_source; /* source of conncheck timer */ GSource *keepalive_timer_source; /* source of keepalive timer */ GSList *refresh_list; /* list of CandidateRefresh items */ guint64 tie_breaker; /* tie breaker (ICE sect 5.2 "Determining Role" ID-19) */ NiceCompatibility compatibility; /* property: Compatibility mode */ StunAgent stun_agent; /* STUN agent */ gboolean media_after_tick; /* Received media after keepalive tick */ #ifdef HAVE_GUPNP GUPnPSimpleIgdThread* upnp; /* GUPnP Single IGD agent */ gboolean upnp_enabled; /* whether UPnP discovery is enabled */ guint upnp_timeout; /* UPnP discovery timeout */ GSList *upnp_mapping; /* list of Candidates being mapped */ GSource *upnp_timer_source; /* source of upnp timeout timer */ #endif gchar *software_attribute; /* SOFTWARE attribute */ gboolean reliable; /* property: reliable */ /* XXX: add pointer to internal data struct for ABI-safe extensions */ }; gboolean agent_find_component ( NiceAgent *agent, guint stream_id, guint component_id, Stream **stream, Component **component); Stream *agent_find_stream (NiceAgent *agent, guint stream_id); void agent_gathering_done (NiceAgent *agent); void agent_signal_gathering_done (NiceAgent *agent); void agent_lock (void); void agent_unlock (void); void agent_signal_new_selected_pair ( NiceAgent *agent, guint stream_id, guint component_id, const gchar *local_foundation, const gchar *remote_foundation); void agent_signal_component_state_change ( NiceAgent *agent, guint stream_id, guint component_id, NiceComponentState state); void agent_signal_new_candidate ( NiceAgent *agent, NiceCandidate *candidate); void agent_signal_new_remote_candidate (NiceAgent *agent, NiceCandidate *candidate); void agent_signal_initial_binding_request_received (NiceAgent *agent, Stream *stream); guint64 agent_candidate_pair_priority (NiceAgent *agent, NiceCandidate *local, NiceCandidate *remote); GSource *agent_timeout_add_with_context (NiceAgent *agent, guint interval, GSourceFunc function, gpointer data); void agent_attach_stream_component_socket (NiceAgent *agent, Stream *stream, Component *component, NiceSocket *socket); StunUsageIceCompatibility agent_to_ice_compatibility (NiceAgent *agent); StunUsageTurnCompatibility agent_to_turn_compatibility (NiceAgent *agent); NiceTurnSocketCompatibility agent_to_turn_socket_compatibility (NiceAgent *agent); void _priv_set_socket_tos (NiceAgent *agent, NiceSocket *sock, gint tos); #endif /*_NICE_AGENT_PRIV_H */ libnice-0.1.4/agent/address.c0000664000175000017500000002147412103030352012730 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2006-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2006-2009 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Dafydd Harries, Collabora Ltd. * Youness Alaoui, Collabora Ltd. * Kai Vehmanen, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include "config.h" #else #define NICEAPI_EXPORT #endif #include #include "address.h" #ifdef G_OS_WIN32 #define inet_pton inet_pton_win32 #define inet_ntop inet_ntop_win32 static const char * inet_ntop_win32 (int af, const void *src, char *dst, socklen_t cnt) { if (af == AF_INET) { struct sockaddr_in in; memset(&in, 0, sizeof(in)); in.sin_family = AF_INET; memcpy(&in.sin_addr, src, sizeof(struct in_addr)); getnameinfo((struct sockaddr *)&in, sizeof(struct sockaddr_in), dst, cnt, NULL, 0, NI_NUMERICHOST); return dst; } else if (af == AF_INET6) { struct sockaddr_in6 in; memset(&in, 0, sizeof(in)); in.sin6_family = AF_INET6; memcpy(&in.sin6_addr, src, sizeof(struct in_addr6)); getnameinfo((struct sockaddr *)&in, sizeof(struct sockaddr_in6), dst, cnt, NULL, 0, NI_NUMERICHOST); return dst; } return NULL; } static int inet_pton_win32(int af, const char *src, void *dst) { struct addrinfo hints, *res, *ressave; memset(&hints, 0, sizeof(struct addrinfo)); hints.ai_family = af; if (getaddrinfo(src, NULL, &hints, &res) != 0) { return 0; } ressave = res; while (res) { if( res->ai_addr->sa_family == AF_INET) { memcpy(dst, &((struct sockaddr_in *) res->ai_addr)->sin_addr, sizeof(struct in_addr)); res = res->ai_next; } else if(res->ai_addr->sa_family == AF_INET6) { memcpy(dst, &((struct sockaddr_in6 *) res->ai_addr)->sin6_addr, sizeof(struct in_addr6)); res = res->ai_next; } } freeaddrinfo(ressave); return 1; } #endif NICEAPI_EXPORT void nice_address_init (NiceAddress *addr) { addr->s.addr.sa_family = AF_UNSPEC; memset (&addr->s, 0, sizeof(addr->s)); } NICEAPI_EXPORT NiceAddress * nice_address_new (void) { NiceAddress *addr = g_slice_new0 (NiceAddress); nice_address_init (addr); return addr; } NICEAPI_EXPORT void nice_address_set_ipv4 (NiceAddress *addr, guint32 addr_ipv4) { addr->s.ip4.sin_family = AF_INET; #ifdef HAVE_SA_LEN addr->s.ip4.sin_len = sizeof (addr->sa.ip4); #endif addr->s.ip4.sin_addr.s_addr = addr_ipv4 ? htonl (addr_ipv4) : INADDR_ANY; addr->s.ip4.sin_port = 0; } NICEAPI_EXPORT void nice_address_set_ipv6 (NiceAddress *addr, const guchar *addr_ipv6) { addr->s.ip6.sin6_family = AF_INET6; #ifdef HAVE_SA_LEN addr->s.ip6.sin6_len = sizeof (addr->sa.ip6); #endif memcpy (addr->s.ip6.sin6_addr.s6_addr, addr_ipv6, 16); addr->s.ip6.sin6_port = 0; addr->s.ip6.sin6_scope_id = 0; } NICEAPI_EXPORT void nice_address_set_port (NiceAddress *addr, guint port) { g_assert (addr); switch (addr->s.addr.sa_family) { case AF_INET: addr->s.ip4.sin_port = htons (port); break; case AF_INET6: addr->s.ip6.sin6_port = htons (port); break; default: g_return_if_reached (); } } guint nice_address_get_port (const NiceAddress *addr) { if (!addr) return 0; switch (addr->s.addr.sa_family) { case AF_INET: return ntohs (addr->s.ip4.sin_port); case AF_INET6: return ntohs (addr->s.ip6.sin6_port); } g_return_val_if_reached (0); } NICEAPI_EXPORT gboolean nice_address_set_from_string (NiceAddress *addr, const gchar *str) { union { struct in_addr ipv4; struct in6_addr ipv6; } a; if (inet_pton (AF_INET, str, &a.ipv4) > 0) nice_address_set_ipv4 (addr, ntohl (a.ipv4.s_addr)); else if (inet_pton (AF_INET6, str, &a.ipv6) > 0) nice_address_set_ipv6 (addr, a.ipv6.s6_addr); else return FALSE; /* Invalid address */ return TRUE; } NICEAPI_EXPORT void nice_address_set_from_sockaddr (NiceAddress *addr, const struct sockaddr *sa) { switch (sa->sa_family) { case AF_INET: memcpy(&addr->s.ip4, sa, sizeof (addr->s.ip4)); break; case AF_INET6: memcpy(&addr->s.ip6, sa, sizeof (addr->s.ip6)); break; default: g_return_if_reached (); } } NICEAPI_EXPORT void nice_address_copy_to_sockaddr (const NiceAddress *addr, struct sockaddr *sa) { struct sockaddr_in *sin4 = (struct sockaddr_in *)sa; struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sa; g_assert (sa); switch (addr->s.addr.sa_family) { case AF_INET: memcpy (sin4, &addr->s.ip4, sizeof (*sin4)); break; case AF_INET6: memcpy (sin6, &addr->s.ip6, sizeof (*sin6)); break; default: g_return_if_reached (); } } NICEAPI_EXPORT void nice_address_to_string (const NiceAddress *addr, gchar *dst) { switch (addr->s.addr.sa_family) { case AF_INET: inet_ntop (AF_INET, &addr->s.ip4.sin_addr, dst, INET_ADDRSTRLEN); break; case AF_INET6: inet_ntop (AF_INET6, &addr->s.ip6.sin6_addr, dst, INET6_ADDRSTRLEN); break; default: g_return_if_reached (); } } NICEAPI_EXPORT gboolean nice_address_equal (const NiceAddress *a, const NiceAddress *b) { if (a->s.addr.sa_family != b->s.addr.sa_family) return FALSE; switch (a->s.addr.sa_family) { case AF_INET: return (a->s.ip4.sin_addr.s_addr == b->s.ip4.sin_addr.s_addr) && (a->s.ip4.sin_port == b->s.ip4.sin_port); case AF_INET6: return IN6_ARE_ADDR_EQUAL (&a->s.ip6.sin6_addr, &b->s.ip6.sin6_addr) && (a->s.ip6.sin6_port == b->s.ip6.sin6_port) && (a->s.ip6.sin6_scope_id == b->s.ip6.sin6_scope_id); } g_return_val_if_reached (FALSE); } NICEAPI_EXPORT NiceAddress * nice_address_dup (const NiceAddress *a) { NiceAddress *dup = g_slice_new0 (NiceAddress); *dup = *a; return dup; } NICEAPI_EXPORT void nice_address_free (NiceAddress *addr) { g_slice_free (NiceAddress, addr); } /* "private" in the sense of "not routable on the Internet" */ static gboolean ipv4_address_is_private (guint32 addr) { addr = ntohl (addr); /* http://tools.ietf.org/html/rfc3330 */ return ( /* 10.0.0.0/8 */ ((addr & 0xff000000) == 0x0a000000) || /* 172.16.0.0/12 */ ((addr & 0xfff00000) == 0xac100000) || /* 192.168.0.0/16 */ ((addr & 0xffff0000) == 0xc0a80000) || /* 127.0.0.0/8 */ ((addr & 0xff000000) == 0x7f000000)); } static gboolean ipv6_address_is_private (const guchar *addr) { return ( /* fe80::/10 */ ((addr[0] == 0xfe) && ((addr[1] & 0xc) == 0x80)) || /* fc00::/7 */ ((addr[0] & 0xfe) == 0xfc) || /* ::1 loopback */ ((memcmp (addr, "\x00\x00\x00\x00" "\x00\x00\x00\x00" "\x00\x00\x00\x00" "\x00\x00\x00\x01", 16) == 0))); } NICEAPI_EXPORT gboolean nice_address_is_private (const NiceAddress *a) { switch (a->s.addr.sa_family) { case AF_INET: return ipv4_address_is_private (a->s.ip4.sin_addr.s_addr); case AF_INET6: return ipv6_address_is_private (a->s.ip6.sin6_addr.s6_addr); } g_return_val_if_reached (FALSE); } NICEAPI_EXPORT gboolean nice_address_is_valid (const NiceAddress *a) { switch (a->s.addr.sa_family) { case AF_INET: case AF_INET6: return TRUE; default: return FALSE; } } NICEAPI_EXPORT int nice_address_ip_version (const NiceAddress *addr) { switch (addr->s.addr.sa_family) { case AF_INET: return 4; case AF_INET6: return 6; default: return 0; } } libnice-0.1.4/agent/pseudotcp.h0000664000175000017500000002743511717016177013344 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2010 Collabora Ltd. * Contact: Youness Alaoui * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef _PSEUDOTCP_H #define _PSEUDOTCP_H /** * SECTION:pseudotcp * @short_description: Pseudo TCP implementation * @include: pseudotcp.h * @stability: Stable * * The #PseudoTcpSocket is an object implementing a Pseudo Tcp Socket for use * over UDP. * The socket will implement a subset of the TCP stack to allow for a reliable * transport over non-reliable sockets (such as UDP). * * See the file tests/test-pseudotcp.c in the source package for an example * of how to use the object. * * Since: 0.0.11 */ #include #ifdef G_OS_WIN32 # include # define ECONNABORTED WSAECONNABORTED # define ENOTCONN WSAENOTCONN # define EWOULDBLOCK WSAEWOULDBLOCK # define ECONNRESET WSAECONNRESET #endif G_BEGIN_DECLS /** * PseudoTcpSocket: * * The #PseudoTcpSocket is the GObject implementing the Pseudo TCP Socket * * Since: 0.0.11 */ typedef struct _PseudoTcpSocket PseudoTcpSocket; typedef struct _PseudoTcpSocketClass PseudoTcpSocketClass; GType pseudo_tcp_socket_get_type (void); /* TYPE MACROS */ #define PSEUDO_TCP_SOCKET_TYPE \ (pseudo_tcp_socket_get_type ()) #define PSEUDO_TCP_SOCKET(obj) \ (G_TYPE_CHECK_INSTANCE_CAST((obj), PSEUDO_TCP_SOCKET_TYPE, \ PseudoTcpSocket)) #define PSEUDO_TCP_SOCKET_CLASS(klass) \ (G_TYPE_CHECK_CLASS_CAST((klass), PSEUDO_TCP_SOCKET_TYPE, \ PseudoTcpSocketClass)) #define IS_PSEUDO_TCP_SOCKET(obj) \ (G_TYPE_CHECK_INSTANCE_TYPE((obj), PSEUDO_TCP_SOCKET_TYPE)) #define IS_PSEUDO_TCP_SOCKET_CLASS(klass) \ (G_TYPE_CHECK_CLASS_TYPE((klass), PSEUDO_TCP_SOCKET_TYPE)) #define PSEUDOTCP_SOCKET_GET_CLASS(obj) \ (G_TYPE_INSTANCE_GET_CLASS ((obj), PSEUDO_TCP_SOCKET_TYPE, \ PseudoTcpSocketClass)) struct _PseudoTcpSocketClass { GObjectClass parent_class; }; typedef struct _PseudoTcpSocketPrivate PseudoTcpSocketPrivate; struct _PseudoTcpSocket { GObject parent; PseudoTcpSocketPrivate *priv; }; /** * PseudoTcpDebugLevel: * @PSEUDO_TCP_DEBUG_NONE: Disable debug messages * @PSEUDO_TCP_DEBUG_NORMAL: Enable basic debug messages * @PSEUDO_TCP_DEBUG_VERBOSE: Enable verbose debug messages * * Valid values of debug levels to be set. * * Since: 0.0.11 */ typedef enum { PSEUDO_TCP_DEBUG_NONE = 0, PSEUDO_TCP_DEBUG_NORMAL, PSEUDO_TCP_DEBUG_VERBOSE, } PseudoTcpDebugLevel; /** * PseudoTcpState: * @TCP_LISTEN: The socket's initial state. The socket isn't connected and is * listening for an incoming connection * @TCP_SYN_SENT: The socket has sent a connection request (SYN) packet and is * waiting for an answer * @TCP_SYN_RECEIVED: The socket has received a connection request (SYN) packet. * @TCP_ESTABLISHED: The socket is connected * @TCP_CLOSED: The socket has been closed * * An enum representing the state of the #PseudoTcpSocket. * See also: #PseudoTcpSocket:state * * Since: 0.0.11 */ typedef enum { TCP_LISTEN, TCP_SYN_SENT, TCP_SYN_RECEIVED, TCP_ESTABLISHED, TCP_CLOSED } PseudoTcpState; /** * PseudoTcpWriteResult: * @WR_SUCCESS: The write operation was successful * @WR_TOO_LARGE: The socket type requires that message be sent atomically * and the size of the message to be sent made this impossible. * @WR_FAIL: There was an error sending the message * * An enum representing the result value of the write operation requested by * the #PseudoTcpSocket. * See also: %PseudoTcpCallbacks:WritePacket * * Since: 0.0.11 */ typedef enum { WR_SUCCESS, WR_TOO_LARGE, WR_FAIL } PseudoTcpWriteResult; /** * PseudoTcpCallbacks: * @user_data: A user defined pointer to be passed to the callbacks * @PseudoTcpOpened: The #PseudoTcpSocket is now connected * @PseudoTcpReadable: The socket is readable * @PseudoTcpWritable: The socket is writable * @PseudoTcpClosed: The socket was closed * @WritePacket: This callback is called when the socket needs to send data. * * A structure containing callbacks functions that will be called by the * #PseudoTcpSocket when some events happen. * See also: #PseudoTcpWriteResult * * Since: 0.0.11 */ typedef struct { gpointer user_data; void (*PseudoTcpOpened) (PseudoTcpSocket *tcp, gpointer data); void (*PseudoTcpReadable) (PseudoTcpSocket *tcp, gpointer data); void (*PseudoTcpWritable) (PseudoTcpSocket *tcp, gpointer data); void (*PseudoTcpClosed) (PseudoTcpSocket *tcp, guint32 error, gpointer data); PseudoTcpWriteResult (*WritePacket) (PseudoTcpSocket *tcp, const gchar * buffer, guint32 len, gpointer data); } PseudoTcpCallbacks; /** * pseudo_tcp_socket_new: * @conversation: The conversation id for the socket. * @callbacks: A pointer to the #PseudoTcpCallbacks structure for getting * notified of the #PseudoTcpSocket events. * * Creates a new #PseudoTcpSocket for the specified conversation * The @callbacks must be non-NULL, in order to get notified of packets the socket needs to send. If the @callbacks structure was dynamicly allocated, it can be freed after the call @pseudo_tcp_socket_new * * Returns: The new #PseudoTcpSocket object, %NULL on error * * Since: 0.0.11 */ PseudoTcpSocket *pseudo_tcp_socket_new (guint32 conversation, PseudoTcpCallbacks *callbacks); /** * pseudo_tcp_socket_connect: * @self: The #PseudoTcpSocket object. * * Connects the #PseudoTcpSocket to the peer with the same conversation id. * The connection will only be successful after the * %PseudoTcpCallbacks:PseudoTcpOpened callback is called * * Returns: %TRUE on success, %FALSE on failure (not in %TCP_LISTEN state) * See also: pseudo_tcp_socket_get_error() * * Since: 0.0.11 */ gboolean pseudo_tcp_socket_connect(PseudoTcpSocket *self); /** * pseudo_tcp_socket_recv: * @self: The #PseudoTcpSocket object. * @buffer: The buffer to fill with received data * @len: The length of @buffer * * Receive data from the socket. * Only call this on the %PseudoTcpCallbacks:PseudoTcpReadable callback. This function should be called in a loop. If this function does not return -1 with EWOULDBLOCK as the error, the %PseudoTcpCallbacks:PseudoTcpReadable callback will not be called again. * * Returns: The number of bytes received or -1 in case of error * See also: pseudo_tcp_socket_get_error() * * Since: 0.0.11 */ gint pseudo_tcp_socket_recv(PseudoTcpSocket *self, char * buffer, size_t len); /** * pseudo_tcp_socket_send: * @self: The #PseudoTcpSocket object. * @buffer: The buffer with data to send * @len: The length of @buffer * * Send data on the socket. * If this function return -1 with EWOULDBLOCK as the error, or if the return value is lower than @len, then the %PseudoTcpCallbacks:PseudoTcpWritable callback will be called when the socket will become writable. * * Returns: The number of bytes sent or -1 in case of error * See also: pseudo_tcp_socket_get_error() * * Since: 0.0.11 */ gint pseudo_tcp_socket_send(PseudoTcpSocket *self, const char * buffer, guint32 len); /** * pseudo_tcp_socket_close: * @self: The #PseudoTcpSocket object. * @force: %TRUE to close the socket forcefully, %FALSE to close it gracefully * * Close the socket. IF @force is set to %FALSE, the socket will finish sending * pending data before closing. * The %PseudoTcpCallbacks:PseudoTcpClosed callback will not be called once the socket gets closed. It is only used for aborted connection. Instead, the socket gets closed when the pseudo_tcp_socket_get_next_clock() function returns FALSE. * * See also: pseudo_tcp_socket_get_next_clock() * * Since: 0.0.11 */ void pseudo_tcp_socket_close(PseudoTcpSocket *self, gboolean force); /** * pseudo_tcp_socket_get_error: * @self: The #PseudoTcpSocket object. * * Return the last encountered error. * The return value can be : EINVAL (for pseudo_tcp_socket_connect()). EWOULDBLOCK or ENOTCONN (for pseudo_tcp_socket_recv() and pseudo_tcp_socket_send()). * * Returns: The error code * See also: pseudo_tcp_socket_connect() * See also: pseudo_tcp_socket_recv() * See also: pseudo_tcp_socket_send() * * Since: 0.0.11 */ int pseudo_tcp_socket_get_error(PseudoTcpSocket *self); /** * pseudo_tcp_socket_get_next_clock: * @self: The #PseudoTcpSocket object. * @timeout: A pointer to be filled with the new timeout. * * Call this to determine the timeout needed before the next time call * to pseudo_tcp_socket_notify_clock() should be made. * * Returns: %TRUE if @timeout was filled, %FALSE if the socket is closed and * ready to be destroyed. * * See also: pseudo_tcp_socket_notify_clock() * * Since: 0.0.11 */ gboolean pseudo_tcp_socket_get_next_clock(PseudoTcpSocket *self, long *timeout); /** * pseudo_tcp_socket_notify_clock: * @self: The #PseudoTcpSocket object. * * Start the processing of receiving data, pending data or syn/acks. * Call this based on timeout value returned by * pseudo_tcp_socket_get_next_clock(). * It's ok to call this too frequently. * * See also: pseudo_tcp_socket_get_next_clock() * * Since: 0.0.11 */ void pseudo_tcp_socket_notify_clock(PseudoTcpSocket *self); /** * pseudo_tcp_socket_notify_mtu: * @self: The #PseudoTcpSocket object. * @mtu: The new MTU of the socket * * Set the MTU of the socket * * Since: 0.0.11 */ void pseudo_tcp_socket_notify_mtu(PseudoTcpSocket *self, guint16 mtu); /** * pseudo_tcp_socket_notify_packet: * @self: The #PseudoTcpSocket object. * @buffer: The buffer containing the received data * @len: The length of @buffer * * Notify the #PseudoTcpSocket when a new packet arrives * * Returns: %TRUE if the packet was processed successfully, %FALSE otherwise * * Since: 0.0.11 */ gboolean pseudo_tcp_socket_notify_packet(PseudoTcpSocket *self, const gchar * buffer, guint32 len); /** * pseudo_tcp_set_debug_level: * @level: The level of debug to set * * Sets the debug level to enable/disable normal/verbose debug messages. * * Since: 0.0.11 */ void pseudo_tcp_set_debug_level (PseudoTcpDebugLevel level); G_END_DECLS #endif /* _PSEUDOTCP_H */ libnice-0.1.4/agent/agent-signals-marshal.list0000664000175000017500000000037411522161145016222 00000000000000# component-status-changed VOID:UINT,UINT,UINT # new-selected-pair VOID:UINT,UINT,STRING,STRING # new-candidate VOID:UINT,UINT,STRING # candidate-gathering-done # initial-binding-request-received VOID:UINT # reliable-transport-writable VOID:UINT,UINT libnice-0.1.4/agent/component.h0000664000175000017500000001136411522161200013310 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2006-2010 Collabora Ltd. * Contact: Youness Alaoui * (C) 2006-2010 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Dafydd Harries, Collabora Ltd. * Youness Alaoui, Collabora Ltd. * Kai Vehmanen, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef _NICE_COMPONENT_H #define _NICE_COMPONENT_H #include typedef struct _Component Component; #include "agent.h" #include "candidate.h" #include "stun/stunagent.h" #include "stun/usages/timer.h" #include "pseudotcp.h" #include "stream.h" #include "socket.h" G_BEGIN_DECLS /* (ICE §4.1.1.1, ID-19) * ""For RTP-based media streams, the RTP itself has a component * ID of 1, and RTCP a component ID of 2. If an agent is using RTCP it MUST * obtain a candidate for it. If an agent is using both RTP and RTCP, it * would end up with 2*K host candidates if an agent has K interfaces."" */ typedef struct _CandidatePair CandidatePair; typedef struct _CandidatePairKeepalive CandidatePairKeepalive; typedef struct _IncomingCheck IncomingCheck; struct _CandidatePairKeepalive { NiceAgent *agent; GSource *tick_source; guint stream_id; guint component_id; StunTimer timer; uint8_t stun_buffer[STUN_MAX_MESSAGE_SIZE]; StunMessage stun_message; }; struct _CandidatePair { NiceCandidate *local; NiceCandidate *remote; guint64 priority; /**< candidate pair priority */ CandidatePairKeepalive keepalive; }; struct _IncomingCheck { NiceAddress from; NiceSocket *local_socket; guint32 priority; gboolean use_candidate; uint8_t *username; uint16_t username_len; }; typedef struct { NiceAgent *agent; Stream *stream; Component *component; } TcpUserData; struct _Component { NiceComponentType type; guint id; /**< component id */ NiceComponentState state; GSList *local_candidates; /**< list of Candidate objs */ GSList *remote_candidates; /**< list of Candidate objs */ GSList *sockets; /**< list of NiceSocket objs */ GSList *gsources; /**< list of GSource objs */ GSList *incoming_checks; /**< list of IncomingCheck objs */ GList *turn_servers; /**< List of TURN servers */ CandidatePair selected_pair; /**< independent from checklists, see ICE 11.1. "Sending Media" (ID-19) */ NiceCandidate *restart_candidate; /**< for storing active remote candidate during a restart */ NiceAgentRecvFunc g_source_io_cb; /**< function called on io cb */ gpointer data; /**< data passed to the io function */ GMainContext *ctx; /**< context for data callbacks for this component */ PseudoTcpSocket *tcp; GSource* tcp_clock; TcpUserData *tcp_data; gboolean tcp_readable; guint min_port; guint max_port; }; Component * component_new (guint component_id); void component_free (Component *cmp); gboolean component_find_pair (Component *cmp, NiceAgent *agent, const gchar *lfoundation, const gchar *rfoundation, CandidatePair *pair); gboolean component_restart (Component *cmp); void component_update_selected_pair (Component *component, const CandidatePair *pair); NiceCandidate * component_find_remote_candidate (const Component *component, const NiceAddress *addr, NiceCandidateTransport transport); NiceCandidate * component_set_selected_remote_candidate (NiceAgent *agent, Component *component, NiceCandidate *candidate); G_END_DECLS #endif /* _NICE_COMPONENT_H */ libnice-0.1.4/agent/stream.h0000664000175000017500000000576312104067756012631 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2006-2010 Collabora Ltd. * Contact: Youness Alaoui * (C) 2006-2010 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Dafydd Harries, Collabora Ltd. * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef _NICE_STREAM_H #define _NICE_STREAM_H #include typedef struct _Stream Stream; #include "component.h" #include "random.h" G_BEGIN_DECLS /* Maximum and default sizes for ICE attributes, * last updated from ICE ID-19 * (the below sizes include the terminating NULL): */ #define NICE_STREAM_MAX_UFRAG 256 + 1 /* ufrag + NULL */ #define NICE_STREAM_MAX_UNAME 256 * 2 + 1 + 1 /* 2*ufrag + colon + NULL */ #define NICE_STREAM_MAX_PWD 256 + 1 /* pwd + NULL */ #define NICE_STREAM_DEF_UFRAG 4 + 1 /* ufrag + NULL */ #define NICE_STREAM_DEF_PWD 22 + 1 /* pwd + NULL */ struct _Stream { gchar *name; guint id; guint n_components; gboolean initial_binding_request_received; GSList *components; /* list of 'Component' structs */ GSList *conncheck_list; /* list of CandidatePair items */ gchar local_ufrag[NICE_STREAM_MAX_UFRAG]; gchar local_password[NICE_STREAM_MAX_PWD]; gchar remote_ufrag[NICE_STREAM_MAX_UFRAG]; gchar remote_password[NICE_STREAM_MAX_PWD]; gboolean gathering; gint tos; }; Stream * stream_new (guint n_components); void stream_free (Stream *stream); gboolean stream_all_components_ready (const Stream *stream); Component * stream_find_component_by_id (const Stream *stream, guint id); void stream_initialize_credentials (Stream *stream, NiceRNG *rng); gboolean stream_restart (Stream *stream, NiceRNG *rng); G_END_DECLS #endif /* _NICE_STREAM_H */ libnice-0.1.4/agent/agent.c0000664000175000017500000027472512104312624012420 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2006-2010 Collabora Ltd. * Contact: Youness Alaoui * (C) 2006-2010 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Dafydd Harries, Collabora Ltd. * Youness Alaoui, Collabora Ltd. * Kai Vehmanen, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include #else #define NICEAPI_EXPORT #endif #include #include #include #ifndef G_OS_WIN32 #include #include #include #endif #include "debug.h" #include "socket.h" #include "stun/usages/turn.h" #include "candidate.h" #include "component.h" #include "conncheck.h" #include "discovery.h" #include "agent.h" #include "agent-priv.h" #include "agent-signals-marshal.h" #include "stream.h" #include "interfaces.h" #include "pseudotcp.h" /* This is the max size of a UDP packet * will it work tcp relaying?? */ #define MAX_BUFFER_SIZE 65536 #define DEFAULT_STUN_PORT 3478 #define DEFAULT_UPNP_TIMEOUT 200 #define MAX_TCP_MTU 1400 /* Use 1400 because of VPNs and we assume IEE 802.3 */ G_DEFINE_TYPE (NiceAgent, nice_agent, G_TYPE_OBJECT); enum { PROP_COMPATIBILITY = 1, PROP_MAIN_CONTEXT, PROP_STUN_SERVER, PROP_STUN_SERVER_PORT, PROP_CONTROLLING_MODE, PROP_FULL_MODE, PROP_STUN_PACING_TIMER, PROP_MAX_CONNECTIVITY_CHECKS, PROP_PROXY_TYPE, PROP_PROXY_IP, PROP_PROXY_PORT, PROP_PROXY_USERNAME, PROP_PROXY_PASSWORD, PROP_UPNP, PROP_UPNP_TIMEOUT, PROP_RELIABLE }; enum { SIGNAL_COMPONENT_STATE_CHANGED, SIGNAL_CANDIDATE_GATHERING_DONE, SIGNAL_NEW_SELECTED_PAIR, SIGNAL_NEW_CANDIDATE, SIGNAL_NEW_REMOTE_CANDIDATE, SIGNAL_INITIAL_BINDING_REQUEST_RECEIVED, SIGNAL_RELIABLE_TRANSPORT_WRITABLE, N_SIGNALS, }; static guint signals[N_SIGNALS]; #if GLIB_CHECK_VERSION(2,31,8) static GRecMutex agent_mutex; /* Mutex used for thread-safe lib */ #else static GStaticRecMutex agent_mutex = G_STATIC_REC_MUTEX_INIT; #endif static gboolean priv_attach_stream_component (NiceAgent *agent, Stream *stream, Component *component); static void priv_detach_stream_component (Stream *stream, Component *component); static void priv_free_upnp (NiceAgent *agent); #if GLIB_CHECK_VERSION(2,31,8) void agent_lock (void) { g_rec_mutex_lock (&agent_mutex); } void agent_unlock (void) { g_rec_mutex_unlock (&agent_mutex); } #else void agent_lock(void) { g_static_rec_mutex_lock (&agent_mutex); } void agent_unlock(void) { g_static_rec_mutex_unlock (&agent_mutex); } #endif StunUsageIceCompatibility agent_to_ice_compatibility (NiceAgent *agent) { return agent->compatibility == NICE_COMPATIBILITY_GOOGLE ? STUN_USAGE_ICE_COMPATIBILITY_GOOGLE : agent->compatibility == NICE_COMPATIBILITY_MSN ? STUN_USAGE_ICE_COMPATIBILITY_MSN : agent->compatibility == NICE_COMPATIBILITY_WLM2009 ? STUN_USAGE_ICE_COMPATIBILITY_WLM2009 : agent->compatibility == NICE_COMPATIBILITY_OC2007 ? STUN_USAGE_ICE_COMPATIBILITY_MSN : agent->compatibility == NICE_COMPATIBILITY_OC2007R2 ? STUN_USAGE_ICE_COMPATIBILITY_WLM2009 : STUN_USAGE_ICE_COMPATIBILITY_RFC5245; } StunUsageTurnCompatibility agent_to_turn_compatibility (NiceAgent *agent) { return agent->compatibility == NICE_COMPATIBILITY_GOOGLE ? STUN_USAGE_TURN_COMPATIBILITY_GOOGLE : agent->compatibility == NICE_COMPATIBILITY_MSN ? STUN_USAGE_TURN_COMPATIBILITY_MSN : agent->compatibility == NICE_COMPATIBILITY_WLM2009 ? STUN_USAGE_TURN_COMPATIBILITY_MSN : agent->compatibility == NICE_COMPATIBILITY_OC2007 ? STUN_USAGE_TURN_COMPATIBILITY_OC2007 : agent->compatibility == NICE_COMPATIBILITY_OC2007R2 ? STUN_USAGE_TURN_COMPATIBILITY_OC2007 : STUN_USAGE_TURN_COMPATIBILITY_RFC5766; } NiceTurnSocketCompatibility agent_to_turn_socket_compatibility (NiceAgent *agent) { return agent->compatibility == NICE_COMPATIBILITY_GOOGLE ? NICE_TURN_SOCKET_COMPATIBILITY_GOOGLE : agent->compatibility == NICE_COMPATIBILITY_MSN ? NICE_TURN_SOCKET_COMPATIBILITY_MSN : agent->compatibility == NICE_COMPATIBILITY_WLM2009 ? NICE_TURN_SOCKET_COMPATIBILITY_MSN : agent->compatibility == NICE_COMPATIBILITY_OC2007 ? NICE_TURN_SOCKET_COMPATIBILITY_OC2007 : agent->compatibility == NICE_COMPATIBILITY_OC2007R2 ? NICE_TURN_SOCKET_COMPATIBILITY_OC2007 : NICE_TURN_SOCKET_COMPATIBILITY_RFC5766; } Stream *agent_find_stream (NiceAgent *agent, guint stream_id) { GSList *i; for (i = agent->streams; i; i = i->next) { Stream *s = i->data; if (s->id == stream_id) return s; } return NULL; } gboolean agent_find_component ( NiceAgent *agent, guint stream_id, guint component_id, Stream **stream, Component **component) { Stream *s; Component *c; s = agent_find_stream (agent, stream_id); if (s == NULL) return FALSE; c = stream_find_component_by_id (s, component_id); if (c == NULL) return FALSE; if (stream) *stream = s; if (component) *component = c; return TRUE; } static void nice_agent_dispose (GObject *object); static void nice_agent_get_property ( GObject *object, guint property_id, GValue *value, GParamSpec *pspec); static void nice_agent_set_property ( GObject *object, guint property_id, const GValue *value, GParamSpec *pspec); static void nice_agent_class_init (NiceAgentClass *klass) { GObjectClass *gobject_class = G_OBJECT_CLASS (klass); gobject_class->get_property = nice_agent_get_property; gobject_class->set_property = nice_agent_set_property; gobject_class->dispose = nice_agent_dispose; /* install properties */ /** * NiceAgent:main-context: * * A GLib main context is needed for all timeouts used by libnice. * This is a property being set by the nice_agent_new() call. */ g_object_class_install_property (gobject_class, PROP_MAIN_CONTEXT, g_param_spec_pointer ( "main-context", "The GMainContext to use for timeouts", "The GMainContext to use for timeouts", G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); /** * NiceAgent:compatibility: * * The Nice agent can work in various compatibility modes depending on * what the application/peer needs. * See also: #NiceCompatibility */ g_object_class_install_property (gobject_class, PROP_COMPATIBILITY, g_param_spec_uint ( "compatibility", "ICE specification compatibility", "The compatibility mode for the agent", NICE_COMPATIBILITY_RFC5245, NICE_COMPATIBILITY_LAST, NICE_COMPATIBILITY_RFC5245, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); g_object_class_install_property (gobject_class, PROP_STUN_SERVER, g_param_spec_string ( "stun-server", "STUN server IP address", "The IP address (not the hostname) of the STUN server to use", NULL, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_STUN_SERVER_PORT, g_param_spec_uint ( "stun-server-port", "STUN server port", "Port of the STUN server used to gather server-reflexive candidates", 1, 65536, 1, /* not a construct property, ignored */ G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_CONTROLLING_MODE, g_param_spec_boolean ( "controlling-mode", "ICE controlling mode", "Whether the agent is in controlling mode", FALSE, /* not a construct property, ignored */ G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_FULL_MODE, g_param_spec_boolean ( "full-mode", "ICE full mode", "Whether agent runs in ICE full mode", TRUE, /* use full mode by default */ G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); g_object_class_install_property (gobject_class, PROP_STUN_PACING_TIMER, g_param_spec_uint ( "stun-pacing-timer", "STUN pacing timer", "Timer 'Ta' (msecs) used in the IETF ICE specification for pacing " "candidate gathering and sending of connectivity checks", 1, 0xffffffff, NICE_AGENT_TIMER_TA_DEFAULT, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); /* note: according to spec recommendation in sect 5.7.3 (ID-19) */ g_object_class_install_property (gobject_class, PROP_MAX_CONNECTIVITY_CHECKS, g_param_spec_uint ( "max-connectivity-checks", "Maximum number of connectivity checks", "Upper limit for the total number of connectivity checks performed", 0, 0xffffffff, 0, /* default set in init */ G_PARAM_READWRITE)); /** * NiceAgent:proxy-ip: * * The proxy server IP used to bypass a proxy firewall * * Since: 0.0.4 */ g_object_class_install_property (gobject_class, PROP_PROXY_IP, g_param_spec_string ( "proxy-ip", "Proxy server IP", "The proxy server IP used to bypass a proxy firewall", NULL, G_PARAM_READWRITE)); /** * NiceAgent:proxy-port: * * The proxy server port used to bypass a proxy firewall * * Since: 0.0.4 */ g_object_class_install_property (gobject_class, PROP_PROXY_PORT, g_param_spec_uint ( "proxy-port", "Proxy server port", "The Proxy server port used to bypass a proxy firewall", 1, 65536, 1, G_PARAM_READWRITE)); /** * NiceAgent:proxy-type: * * The type of proxy set in the proxy-ip property * * Since: 0.0.4 */ g_object_class_install_property (gobject_class, PROP_PROXY_TYPE, g_param_spec_uint ( "proxy-type", "Type of proxy to use", "The type of proxy set in the proxy-ip property", NICE_PROXY_TYPE_NONE, NICE_PROXY_TYPE_LAST, NICE_PROXY_TYPE_NONE, G_PARAM_READWRITE)); /** * NiceAgent:proxy-username: * * The username used to authenticate with the proxy * * Since: 0.0.4 */ g_object_class_install_property (gobject_class, PROP_PROXY_USERNAME, g_param_spec_string ( "proxy-username", "Proxy server username", "The username used to authenticate with the proxy", NULL, G_PARAM_READWRITE)); /** * NiceAgent:proxy-password: * * The password used to authenticate with the proxy * * Since: 0.0.4 */ g_object_class_install_property (gobject_class, PROP_PROXY_PASSWORD, g_param_spec_string ( "proxy-password", "Proxy server password", "The password used to authenticate with the proxy", NULL, G_PARAM_READWRITE)); /** * NiceAgent:upnp: * * Whether the agent should use UPnP to open a port in the router and * get the external IP * * Since: 0.0.7 */ g_object_class_install_property (gobject_class, PROP_UPNP, g_param_spec_boolean ( "upnp", #ifdef HAVE_GUPNP "Use UPnP", "Whether the agent should use UPnP to open a port in the router and " "get the external IP", #else "Use UPnP (disabled in build)", "Does nothing because libnice was not built with UPnP support", #endif TRUE, /* enable UPnP by default */ G_PARAM_READWRITE| G_PARAM_CONSTRUCT)); /** * NiceAgent:upnp-timeout: * * The maximum amount of time to wait for UPnP discovery to finish before * signaling the #NiceAgent::candidate-gathering-done signal * * Since: 0.0.7 */ g_object_class_install_property (gobject_class, PROP_UPNP_TIMEOUT, g_param_spec_uint ( "upnp-timeout", #ifdef HAVE_GUPNP "Timeout for UPnP discovery", "The maximum amount of time to wait for UPnP discovery to finish before " "signaling the candidate-gathering-done signal", #else "Timeout for UPnP discovery (disabled in build)", "Does nothing because libnice was not built with UPnP support", #endif 100, 60000, DEFAULT_UPNP_TIMEOUT, G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); /** * NiceAgent:reliable: * * Whether the agent should use PseudoTcp to ensure a reliable transport * of messages * * Since: 0.0.11 */ g_object_class_install_property (gobject_class, PROP_RELIABLE, g_param_spec_boolean ( "reliable", "reliable mode", "Whether the agent should use PseudoTcp to ensure a reliable transport" "of messages", FALSE, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); /* install signals */ /** * NiceAgent::component-state-changed * @agent: The #NiceAgent object * @stream_id: The ID of the stream * @component_id: The ID of the component * @state: The #NiceComponentState of the component * * This signal is fired whenever a component's state changes */ signals[SIGNAL_COMPONENT_STATE_CHANGED] = g_signal_new ( "component-state-changed", G_OBJECT_CLASS_TYPE (klass), G_SIGNAL_RUN_LAST, 0, NULL, NULL, agent_marshal_VOID__UINT_UINT_UINT, G_TYPE_NONE, 3, G_TYPE_UINT, G_TYPE_UINT, G_TYPE_UINT, G_TYPE_INVALID); /** * NiceAgent::candidate-gathering-done: * @agent: The #NiceAgent object * @stream_id: The ID of the stream * * This signal is fired whenever a stream has finished gathering its * candidates after a call to nice_agent_gather_candidates() */ signals[SIGNAL_CANDIDATE_GATHERING_DONE] = g_signal_new ( "candidate-gathering-done", G_OBJECT_CLASS_TYPE (klass), G_SIGNAL_RUN_LAST, 0, NULL, NULL, agent_marshal_VOID__UINT, G_TYPE_NONE, 1, G_TYPE_UINT, G_TYPE_INVALID); /** * NiceAgent::new-selected-pair * @agent: The #NiceAgent object * @stream_id: The ID of the stream * @component_id: The ID of the component * @lfoundation: The local foundation of the selected candidate pair * @rfoundation: The remote foundation of the selected candidate pair * * This signal is fired once a candidate pair is selected for data transfer for * a stream's component */ signals[SIGNAL_NEW_SELECTED_PAIR] = g_signal_new ( "new-selected-pair", G_OBJECT_CLASS_TYPE (klass), G_SIGNAL_RUN_LAST, 0, NULL, NULL, agent_marshal_VOID__UINT_UINT_STRING_STRING, G_TYPE_NONE, 4, G_TYPE_UINT, G_TYPE_UINT, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_INVALID); /** * NiceAgent::new-candidate * @agent: The #NiceAgent object * @stream_id: The ID of the stream * @component_id: The ID of the component * @foundation: The foundation of the new candidate * * This signal is fired when the agent discovers a new candidate * See also: #NiceAgent::candidate-gathering-done */ signals[SIGNAL_NEW_CANDIDATE] = g_signal_new ( "new-candidate", G_OBJECT_CLASS_TYPE (klass), G_SIGNAL_RUN_LAST, 0, NULL, NULL, agent_marshal_VOID__UINT_UINT_STRING, G_TYPE_NONE, 3, G_TYPE_UINT, G_TYPE_UINT, G_TYPE_STRING, G_TYPE_INVALID); /** * NiceAgent::new-remote-candidate * @agent: The #NiceAgent object * @stream_id: The ID of the stream * @component_id: The ID of the component * @foundation: The foundation of the new candidate * * This signal is fired when the agent discovers a new remote candidate. * This can happen with peer reflexive candidates. */ signals[SIGNAL_NEW_REMOTE_CANDIDATE] = g_signal_new ( "new-remote-candidate", G_OBJECT_CLASS_TYPE (klass), G_SIGNAL_RUN_LAST, 0, NULL, NULL, agent_marshal_VOID__UINT_UINT_STRING, G_TYPE_NONE, 3, G_TYPE_UINT, G_TYPE_UINT, G_TYPE_STRING, G_TYPE_INVALID); /** * NiceAgent::initial-binding-request-received * @agent: The #NiceAgent object * @stream_id: The ID of the stream * * This signal is fired when we received our first binding request from * the peer. */ signals[SIGNAL_INITIAL_BINDING_REQUEST_RECEIVED] = g_signal_new ( "initial-binding-request-received", G_OBJECT_CLASS_TYPE (klass), G_SIGNAL_RUN_LAST, 0, NULL, NULL, agent_marshal_VOID__UINT, G_TYPE_NONE, 1, G_TYPE_UINT, G_TYPE_INVALID); /** * NiceAgent::reliable-transport-writable * @agent: The #NiceAgent object * @stream_id: The ID of the stream * @component_id: The ID of the component * * This signal is fired on the reliable #NiceAgent when the underlying reliable * transport becomes writable. * This signal is only emitted when the nice_agent_send() function returns less * bytes than requested to send (or -1) and once when the connection * is established. * * Since: 0.0.11 */ signals[SIGNAL_RELIABLE_TRANSPORT_WRITABLE] = g_signal_new ( "reliable-transport-writable", G_OBJECT_CLASS_TYPE (klass), G_SIGNAL_RUN_LAST, 0, NULL, NULL, agent_marshal_VOID__UINT_UINT, G_TYPE_NONE, 2, G_TYPE_UINT, G_TYPE_UINT, G_TYPE_INVALID); /* Init debug options depending on env variables */ nice_debug_init (); } static void priv_generate_tie_breaker (NiceAgent *agent) { nice_rng_generate_bytes (agent->rng, 8, (gchar*)&agent->tie_breaker); } static void nice_agent_init (NiceAgent *agent) { agent->next_candidate_id = 1; agent->next_stream_id = 1; /* set defaults; not construct params, so set here */ agent->stun_server_port = DEFAULT_STUN_PORT; agent->controlling_mode = TRUE; agent->max_conn_checks = NICE_AGENT_MAX_CONNECTIVITY_CHECKS_DEFAULT; agent->discovery_list = NULL; agent->discovery_unsched_items = 0; agent->discovery_timer_source = NULL; agent->conncheck_timer_source = NULL; agent->keepalive_timer_source = NULL; agent->refresh_list = NULL; agent->media_after_tick = FALSE; agent->software_attribute = NULL; agent->compatibility = NICE_COMPATIBILITY_RFC5245; agent->reliable = FALSE; stun_agent_init (&agent->stun_agent, STUN_ALL_KNOWN_ATTRIBUTES, STUN_COMPATIBILITY_RFC5389, STUN_AGENT_USAGE_SHORT_TERM_CREDENTIALS | STUN_AGENT_USAGE_USE_FINGERPRINT); agent->rng = nice_rng_new (); priv_generate_tie_breaker (agent); } NICEAPI_EXPORT NiceAgent * nice_agent_new (GMainContext *ctx, NiceCompatibility compat) { NiceAgent *agent = g_object_new (NICE_TYPE_AGENT, "compatibility", compat, "main-context", ctx, "reliable", FALSE, NULL); return agent; } NICEAPI_EXPORT NiceAgent * nice_agent_new_reliable (GMainContext *ctx, NiceCompatibility compat) { NiceAgent *agent = g_object_new (NICE_TYPE_AGENT, "compatibility", compat, "main-context", ctx, "reliable", TRUE, NULL); return agent; } static void nice_agent_get_property ( GObject *object, guint property_id, GValue *value, GParamSpec *pspec) { NiceAgent *agent = NICE_AGENT (object); agent_lock(); switch (property_id) { case PROP_MAIN_CONTEXT: g_value_set_pointer (value, agent->main_context); break; case PROP_COMPATIBILITY: g_value_set_uint (value, agent->compatibility); break; case PROP_STUN_SERVER: g_value_set_string (value, agent->stun_server_ip); break; case PROP_STUN_SERVER_PORT: g_value_set_uint (value, agent->stun_server_port); break; case PROP_CONTROLLING_MODE: g_value_set_boolean (value, agent->controlling_mode); break; case PROP_FULL_MODE: g_value_set_boolean (value, agent->full_mode); break; case PROP_STUN_PACING_TIMER: g_value_set_uint (value, agent->timer_ta); break; case PROP_MAX_CONNECTIVITY_CHECKS: g_value_set_uint (value, agent->max_conn_checks); /* XXX: should we prune the list of already existing checks? */ break; case PROP_PROXY_IP: g_value_set_string (value, agent->proxy_ip); break; case PROP_PROXY_PORT: g_value_set_uint (value, agent->proxy_port); break; case PROP_PROXY_TYPE: g_value_set_uint (value, agent->proxy_type); break; case PROP_PROXY_USERNAME: g_value_set_string (value, agent->proxy_username); break; case PROP_PROXY_PASSWORD: g_value_set_string (value, agent->proxy_password); break; case PROP_UPNP: #ifdef HAVE_GUPNP g_value_set_boolean (value, agent->upnp_enabled); #else g_value_set_boolean (value, FALSE); #endif break; case PROP_UPNP_TIMEOUT: #ifdef HAVE_GUPNP g_value_set_uint (value, agent->upnp_timeout); #else g_value_set_uint (value, DEFAULT_UPNP_TIMEOUT); #endif break; case PROP_RELIABLE: g_value_set_boolean (value, agent->reliable); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); } agent_unlock(); } static void nice_agent_set_property ( GObject *object, guint property_id, const GValue *value, GParamSpec *pspec) { NiceAgent *agent = NICE_AGENT (object); agent_lock(); switch (property_id) { case PROP_MAIN_CONTEXT: agent->main_context = g_value_get_pointer (value); if (agent->main_context != NULL) g_main_context_ref (agent->main_context); break; case PROP_COMPATIBILITY: agent->compatibility = g_value_get_uint (value); if (agent->compatibility == NICE_COMPATIBILITY_GOOGLE) { stun_agent_init (&agent->stun_agent, STUN_ALL_KNOWN_ATTRIBUTES, STUN_COMPATIBILITY_RFC3489, STUN_AGENT_USAGE_SHORT_TERM_CREDENTIALS | STUN_AGENT_USAGE_IGNORE_CREDENTIALS); } else if (agent->compatibility == NICE_COMPATIBILITY_MSN) { stun_agent_init (&agent->stun_agent, STUN_ALL_KNOWN_ATTRIBUTES, STUN_COMPATIBILITY_RFC3489, STUN_AGENT_USAGE_SHORT_TERM_CREDENTIALS | STUN_AGENT_USAGE_FORCE_VALIDATER); } else if (agent->compatibility == NICE_COMPATIBILITY_WLM2009) { stun_agent_init (&agent->stun_agent, STUN_ALL_KNOWN_ATTRIBUTES, STUN_COMPATIBILITY_WLM2009, STUN_AGENT_USAGE_SHORT_TERM_CREDENTIALS | STUN_AGENT_USAGE_USE_FINGERPRINT); } else if (agent->compatibility == NICE_COMPATIBILITY_OC2007) { stun_agent_init (&agent->stun_agent, STUN_ALL_KNOWN_ATTRIBUTES, STUN_COMPATIBILITY_RFC3489, STUN_AGENT_USAGE_SHORT_TERM_CREDENTIALS | STUN_AGENT_USAGE_FORCE_VALIDATER | STUN_AGENT_USAGE_NO_ALIGNED_ATTRIBUTES); } else if (agent->compatibility == NICE_COMPATIBILITY_OC2007R2) { stun_agent_init (&agent->stun_agent, STUN_ALL_KNOWN_ATTRIBUTES, STUN_COMPATIBILITY_WLM2009, STUN_AGENT_USAGE_SHORT_TERM_CREDENTIALS | STUN_AGENT_USAGE_USE_FINGERPRINT | STUN_AGENT_USAGE_NO_ALIGNED_ATTRIBUTES); } else { stun_agent_init (&agent->stun_agent, STUN_ALL_KNOWN_ATTRIBUTES, STUN_COMPATIBILITY_RFC5389, STUN_AGENT_USAGE_SHORT_TERM_CREDENTIALS | STUN_AGENT_USAGE_USE_FINGERPRINT); } stun_agent_set_software (&agent->stun_agent, agent->software_attribute); break; case PROP_STUN_SERVER: g_free (agent->stun_server_ip); agent->stun_server_ip = g_value_dup_string (value); break; case PROP_STUN_SERVER_PORT: agent->stun_server_port = g_value_get_uint (value); break; case PROP_CONTROLLING_MODE: agent->controlling_mode = g_value_get_boolean (value); break; case PROP_FULL_MODE: agent->full_mode = g_value_get_boolean (value); break; case PROP_STUN_PACING_TIMER: agent->timer_ta = g_value_get_uint (value); break; case PROP_MAX_CONNECTIVITY_CHECKS: agent->max_conn_checks = g_value_get_uint (value); break; case PROP_PROXY_IP: g_free (agent->proxy_ip); agent->proxy_ip = g_value_dup_string (value); break; case PROP_PROXY_PORT: agent->proxy_port = g_value_get_uint (value); break; case PROP_PROXY_TYPE: agent->proxy_type = g_value_get_uint (value); break; case PROP_PROXY_USERNAME: g_free (agent->proxy_username); agent->proxy_username = g_value_dup_string (value); break; case PROP_PROXY_PASSWORD: g_free (agent->proxy_password); agent->proxy_password = g_value_dup_string (value); break; case PROP_UPNP_TIMEOUT: #ifdef HAVE_GUPNP agent->upnp_timeout = g_value_get_uint (value); #endif break; case PROP_UPNP: #ifdef HAVE_GUPNP agent->upnp_enabled = g_value_get_boolean (value); #endif break; case PROP_RELIABLE: agent->reliable = g_value_get_boolean (value); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); } agent_unlock(); } static void priv_destroy_component_tcp (Component *component) { if (component->tcp_clock) { g_source_destroy (component->tcp_clock); g_source_unref (component->tcp_clock); component->tcp_clock = NULL; } if (component->tcp) { pseudo_tcp_socket_close (component->tcp, TRUE); g_object_unref (component->tcp); component->tcp = NULL; } if (component->tcp_data != NULL) { g_slice_free (TcpUserData, component->tcp_data); component->tcp_data = NULL; } } static void priv_pseudo_tcp_error (NiceAgent *agent, Stream *stream, Component *component) { if (component->tcp) { agent_signal_component_state_change (agent, stream->id, component->id, NICE_COMPONENT_STATE_FAILED); priv_detach_stream_component (stream, component); } priv_destroy_component_tcp (component); } static void adjust_tcp_clock (NiceAgent *agent, Stream *stream, Component *component); static void pseudo_tcp_socket_opened (PseudoTcpSocket *sock, gpointer user_data) { TcpUserData *data = (TcpUserData *)user_data; NiceAgent *agent = data->agent; Component *component = data->component; Stream *stream = data->stream; nice_debug ("Agent %p: s%d:%d pseudo Tcp socket Opened", data->agent, stream->id, component->id); g_signal_emit (agent, signals[SIGNAL_RELIABLE_TRANSPORT_WRITABLE], 0, stream->id, component->id); } static void pseudo_tcp_socket_readable (PseudoTcpSocket *sock, gpointer user_data) { TcpUserData *data = (TcpUserData *)user_data; NiceAgent *agent = data->agent; Component *component = data->component; Stream *stream = data->stream; gchar buf[MAX_BUFFER_SIZE]; gint len; nice_debug ("Agent %p: s%d:%d pseudo Tcp socket readable", agent, stream->id, component->id); component->tcp_readable = TRUE; g_object_add_weak_pointer (G_OBJECT (sock), (gpointer *)&sock); g_object_add_weak_pointer (G_OBJECT (agent), (gpointer *)&agent); do { if (component->g_source_io_cb) len = pseudo_tcp_socket_recv (sock, buf, sizeof(buf)); else len = 0; if (len > 0) { gpointer data = component->data; gint sid = stream->id; gint cid = component->id; NiceAgentRecvFunc callback = component->g_source_io_cb; /* Unlock the agent before calling the callback */ agent_unlock(); callback (agent, sid, cid, len, buf, data); agent_lock(); if (sock == NULL) { nice_debug ("PseudoTCP socket got destroyed in readable callback!"); break; } } else if (len < 0 && pseudo_tcp_socket_get_error (sock) != EWOULDBLOCK) { /* Signal error */ priv_pseudo_tcp_error (agent, stream, component); } else if (len < 0 && pseudo_tcp_socket_get_error (sock) == EWOULDBLOCK){ component->tcp_readable = FALSE; } } while (len > 0); if (agent) { adjust_tcp_clock (agent, stream, component); g_object_remove_weak_pointer (G_OBJECT (agent), (gpointer *)&agent); } else { nice_debug ("Not calling adjust_tcp_clock.. agent got destroyed!"); } if (sock) g_object_remove_weak_pointer (G_OBJECT (sock), (gpointer *)&sock); } static void pseudo_tcp_socket_writable (PseudoTcpSocket *sock, gpointer user_data) { TcpUserData *data = (TcpUserData *)user_data; NiceAgent *agent = data->agent; Component *component = data->component; Stream *stream = data->stream; nice_debug ("Agent %p: s%d:%d pseudo Tcp socket writable", data->agent, data->stream->id, data->component->id); g_signal_emit (agent, signals[SIGNAL_RELIABLE_TRANSPORT_WRITABLE], 0, stream->id, component->id); } static void pseudo_tcp_socket_closed (PseudoTcpSocket *sock, guint32 err, gpointer user_data) { TcpUserData *data = (TcpUserData *)user_data; NiceAgent *agent = data->agent; Component *component = data->component; Stream *stream = data->stream; nice_debug ("Agent %p: s%d:%d pseudo Tcp socket closed", agent, stream->id, component->id); priv_pseudo_tcp_error (agent, stream, component); } static PseudoTcpWriteResult pseudo_tcp_socket_write_packet (PseudoTcpSocket *sock, const gchar *buffer, guint32 len, gpointer user_data) { TcpUserData *data = (TcpUserData *)user_data; Component *component = data->component; if (component->selected_pair.local != NULL) { NiceSocket *sock; NiceAddress *addr; #ifndef NDEBUG gchar tmpbuf[INET6_ADDRSTRLEN]; nice_address_to_string (&component->selected_pair.remote->addr, tmpbuf); nice_debug ("Agent %p : s%d:%d: sending %d bytes to [%s]:%d", data->agent, data->stream->id, component->id, len, tmpbuf, nice_address_get_port (&component->selected_pair.remote->addr)); #endif sock = component->selected_pair.local->sockptr; addr = &component->selected_pair.remote->addr; if (nice_socket_send (sock, addr, len, buffer)) { return WR_SUCCESS; } } return WR_FAIL; } static gboolean notify_pseudo_tcp_socket_clock (gpointer user_data) { TcpUserData *data = (TcpUserData *)user_data; Component *component = data->component; Stream *stream = data->stream; NiceAgent *agent = data->agent; agent_lock(); if (g_source_is_destroyed (g_main_current_source ())) { nice_debug ("Source was destroyed. " "Avoided race condition in notify_pseudo_tcp_socket_clock"); agent_unlock (); return FALSE; } if (component->tcp_clock) { g_source_destroy (component->tcp_clock); g_source_unref (component->tcp_clock); component->tcp_clock = NULL; } pseudo_tcp_socket_notify_clock (component->tcp); adjust_tcp_clock (agent, stream, component); agent_unlock(); return FALSE; } static void adjust_tcp_clock (NiceAgent *agent, Stream *stream, Component *component) { long timeout = 0; if (component->tcp) { if (pseudo_tcp_socket_get_next_clock (component->tcp, &timeout)) { if (component->tcp_clock) { g_source_destroy (component->tcp_clock); g_source_unref (component->tcp_clock); component->tcp_clock = NULL; } component->tcp_clock = agent_timeout_add_with_context (agent, timeout, notify_pseudo_tcp_socket_clock, component->tcp_data); } else { nice_debug ("Agent %p: component %d pseudo tcp socket should be destroyed", agent, component->id); priv_pseudo_tcp_error (agent, stream, component); } } } void agent_gathering_done (NiceAgent *agent) { GSList *i, *j, *k, *l, *m; for (i = agent->streams; i; i = i->next) { Stream *stream = i->data; for (j = stream->components; j; j = j->next) { Component *component = j->data; for (k = component->local_candidates; k; k = k->next) { NiceCandidate *local_candidate = k->data; { gchar tmpbuf[INET6_ADDRSTRLEN]; nice_address_to_string (&local_candidate->addr, tmpbuf); nice_debug ("Agent %p: gathered local candidate : [%s]:%u" " for s%d/c%d. U/P '%s'/'%s'", agent, tmpbuf, nice_address_get_port (&local_candidate->addr), local_candidate->stream_id, local_candidate->component_id, local_candidate->username, local_candidate->password); } for (l = component->remote_candidates; l; l = l->next) { NiceCandidate *remote_candidate = l->data; for (m = stream->conncheck_list; m; m = m->next) { CandidateCheckPair *p = m->data; if (p->local == local_candidate && p->remote == remote_candidate) break; } if (m == NULL) { conn_check_add_for_candidate (agent, stream->id, component, remote_candidate); } } } } } #ifdef HAVE_GUPNP if (agent->discovery_timer_source == NULL && agent->upnp_timer_source == NULL) { agent_signal_gathering_done (agent); } #else if (agent->discovery_timer_source == NULL) agent_signal_gathering_done (agent); #endif } void agent_signal_gathering_done (NiceAgent *agent) { GSList *i; for (i = agent->streams; i; i = i->next) { Stream *stream = i->data; if (stream->gathering) { stream->gathering = FALSE; g_signal_emit (agent, signals[SIGNAL_CANDIDATE_GATHERING_DONE], 0, stream->id); } } } void agent_signal_initial_binding_request_received (NiceAgent *agent, Stream *stream) { if (stream->initial_binding_request_received != TRUE) { stream->initial_binding_request_received = TRUE; g_signal_emit (agent, signals[SIGNAL_INITIAL_BINDING_REQUEST_RECEIVED], 0, stream->id); } } void agent_signal_new_selected_pair (NiceAgent *agent, guint stream_id, guint component_id, const gchar *local_foundation, const gchar *remote_foundation) { Component *component; Stream *stream; gchar *lf_copy; gchar *rf_copy; if (!agent_find_component (agent, stream_id, component_id, &stream, &component)) return; if (component->selected_pair.local->type == NICE_CANDIDATE_TYPE_RELAYED) { nice_turn_socket_set_peer (component->selected_pair.local->sockptr, &component->selected_pair.remote->addr); } if (component->tcp) { pseudo_tcp_socket_connect (component->tcp); pseudo_tcp_socket_notify_mtu (component->tcp, MAX_TCP_MTU); adjust_tcp_clock (agent, stream, component); } else if(agent->reliable) { nice_debug ("New selected pair received when pseudo tcp socket in error"); return; } lf_copy = g_strdup (local_foundation); rf_copy = g_strdup (remote_foundation); g_signal_emit (agent, signals[SIGNAL_NEW_SELECTED_PAIR], 0, stream_id, component_id, lf_copy, rf_copy); g_free (lf_copy); g_free (rf_copy); } void agent_signal_new_candidate (NiceAgent *agent, NiceCandidate *candidate) { g_signal_emit (agent, signals[SIGNAL_NEW_CANDIDATE], 0, candidate->stream_id, candidate->component_id, candidate->foundation); } void agent_signal_new_remote_candidate (NiceAgent *agent, NiceCandidate *candidate) { g_signal_emit (agent, signals[SIGNAL_NEW_REMOTE_CANDIDATE], 0, candidate->stream_id, candidate->component_id, candidate->foundation); } static const gchar * component_state_to_string (NiceComponentState state) { switch (state) { case NICE_COMPONENT_STATE_DISCONNECTED: return "disconnected"; case NICE_COMPONENT_STATE_GATHERING: return "gathering"; case NICE_COMPONENT_STATE_CONNECTING: return "connecting"; case NICE_COMPONENT_STATE_CONNECTED: return "connected"; case NICE_COMPONENT_STATE_READY: return "ready"; case NICE_COMPONENT_STATE_FAILED: return "failed"; case NICE_COMPONENT_STATE_LAST: break; } return "invalid"; } void agent_signal_component_state_change (NiceAgent *agent, guint stream_id, guint component_id, NiceComponentState state) { Component *component; Stream *stream; if (!agent_find_component (agent, stream_id, component_id, &stream, &component)) return; if (agent->reliable && component->tcp == NULL && state != NICE_COMPONENT_STATE_FAILED) { nice_debug ("Agent %p: not changing component state for s%d:%d to %d " "because pseudo tcp socket does not exist in reliable mode", agent, stream->id, component->id, state); return; } if (component->state != state && state < NICE_COMPONENT_STATE_LAST) { nice_debug ("Agent %p : stream %u component %u STATE-CHANGE %s -> %s.", agent, stream_id, component_id, component_state_to_string (component->state), component_state_to_string (state)); component->state = state; g_signal_emit (agent, signals[SIGNAL_COMPONENT_STATE_CHANGED], 0, stream_id, component_id, state); } } guint64 agent_candidate_pair_priority (NiceAgent *agent, NiceCandidate *local, NiceCandidate *remote) { if (agent->controlling_mode) return nice_candidate_pair_priority (local->priority, remote->priority); else return nice_candidate_pair_priority (remote->priority, local->priority); } static void priv_add_new_candidate_discovery_stun (NiceAgent *agent, NiceSocket *socket, NiceAddress server, Stream *stream, guint component_id) { CandidateDiscovery *cdisco; /* note: no need to check for redundant candidates, as this is * done later on in the process */ cdisco = g_slice_new0 (CandidateDiscovery); cdisco->type = NICE_CANDIDATE_TYPE_SERVER_REFLEXIVE; cdisco->nicesock = socket; cdisco->server = server; cdisco->stream = stream; cdisco->component = stream_find_component_by_id (stream, component_id); cdisco->agent = agent; stun_agent_init (&cdisco->stun_agent, STUN_ALL_KNOWN_ATTRIBUTES, STUN_COMPATIBILITY_RFC3489, (agent->compatibility == NICE_COMPATIBILITY_OC2007 || agent->compatibility == NICE_COMPATIBILITY_OC2007R2) ? STUN_AGENT_USAGE_NO_ALIGNED_ATTRIBUTES : 0); nice_debug ("Agent %p : Adding new srv-rflx candidate discovery %p\n", agent, cdisco); agent->discovery_list = g_slist_append (agent->discovery_list, cdisco); ++agent->discovery_unsched_items; } static void priv_add_new_candidate_discovery_turn (NiceAgent *agent, NiceSocket *socket, TurnServer *turn, Stream *stream, guint component_id) { CandidateDiscovery *cdisco; Component *component = stream_find_component_by_id (stream, component_id); /* note: no need to check for redundant candidates, as this is * done later on in the process */ cdisco = g_slice_new0 (CandidateDiscovery); cdisco->type = NICE_CANDIDATE_TYPE_RELAYED; if (turn->type == NICE_RELAY_TYPE_TURN_UDP) { if (agent->compatibility == NICE_COMPATIBILITY_GOOGLE) { NiceAddress addr = socket->addr; NiceSocket *new_socket; nice_address_set_port (&addr, 0); new_socket = nice_udp_bsd_socket_new (&addr); if (new_socket) { _priv_set_socket_tos (agent, new_socket, stream->tos); agent_attach_stream_component_socket (agent, stream, component, new_socket); component->sockets= g_slist_append (component->sockets, new_socket); socket = new_socket; } } cdisco->nicesock = socket; } else { NiceAddress proxy_server; socket = NULL; if (agent->proxy_type != NICE_PROXY_TYPE_NONE && agent->proxy_ip != NULL && nice_address_set_from_string (&proxy_server, agent->proxy_ip)) { nice_address_set_port (&proxy_server, agent->proxy_port); socket = nice_tcp_bsd_socket_new (agent->main_context, &proxy_server); if (socket) { _priv_set_socket_tos (agent, socket, stream->tos); if (agent->proxy_type == NICE_PROXY_TYPE_SOCKS5) { socket = nice_socks5_socket_new (socket, &turn->server, agent->proxy_username, agent->proxy_password); } else if (agent->proxy_type == NICE_PROXY_TYPE_HTTP){ socket = nice_http_socket_new (socket, &turn->server, agent->proxy_username, agent->proxy_password); } else { nice_socket_free (socket); socket = NULL; } } } if (socket == NULL) { socket = nice_tcp_bsd_socket_new (agent->main_context, &turn->server); if (socket) _priv_set_socket_tos (agent, socket, stream->tos); } /* The TURN server may be invalid or not listening */ if (socket == NULL) return; if (turn->type == NICE_RELAY_TYPE_TURN_TLS && agent->compatibility == NICE_COMPATIBILITY_GOOGLE) { socket = nice_pseudossl_socket_new (socket); } cdisco->nicesock = nice_tcp_turn_socket_new (socket, agent_to_turn_socket_compatibility (agent)); agent_attach_stream_component_socket (agent, stream, component, cdisco->nicesock); component->sockets = g_slist_append (component->sockets, cdisco->nicesock); } cdisco->turn = turn; cdisco->server = turn->server; cdisco->stream = stream; cdisco->component = stream_find_component_by_id (stream, component_id); cdisco->agent = agent; if (agent->compatibility == NICE_COMPATIBILITY_GOOGLE) { stun_agent_init (&cdisco->stun_agent, STUN_ALL_KNOWN_ATTRIBUTES, STUN_COMPATIBILITY_RFC3489, STUN_AGENT_USAGE_SHORT_TERM_CREDENTIALS | STUN_AGENT_USAGE_IGNORE_CREDENTIALS); } else if (agent->compatibility == NICE_COMPATIBILITY_MSN || agent->compatibility == NICE_COMPATIBILITY_WLM2009) { stun_agent_init (&cdisco->stun_agent, STUN_ALL_KNOWN_ATTRIBUTES, STUN_COMPATIBILITY_RFC3489, STUN_AGENT_USAGE_SHORT_TERM_CREDENTIALS); } else if (agent->compatibility == NICE_COMPATIBILITY_OC2007 || agent->compatibility == NICE_COMPATIBILITY_OC2007R2) { stun_agent_init (&cdisco->stun_agent, STUN_MSOC_KNOWN_ATTRIBUTES, STUN_COMPATIBILITY_OC2007, STUN_AGENT_USAGE_LONG_TERM_CREDENTIALS | STUN_AGENT_USAGE_NO_ALIGNED_ATTRIBUTES); } else { stun_agent_init (&cdisco->stun_agent, STUN_ALL_KNOWN_ATTRIBUTES, STUN_COMPATIBILITY_RFC5389, STUN_AGENT_USAGE_ADD_SOFTWARE | STUN_AGENT_USAGE_LONG_TERM_CREDENTIALS); } stun_agent_set_software (&cdisco->stun_agent, agent->software_attribute); nice_debug ("Agent %p : Adding new relay-rflx candidate discovery %p\n", agent, cdisco); agent->discovery_list = g_slist_append (agent->discovery_list, cdisco); ++agent->discovery_unsched_items; } NICEAPI_EXPORT guint nice_agent_add_stream ( NiceAgent *agent, guint n_components) { Stream *stream; guint ret = 0; guint i; agent_lock(); stream = stream_new (n_components); agent->streams = g_slist_append (agent->streams, stream); stream->id = agent->next_stream_id++; nice_debug ("Agent %p : allocating stream id %u (%p)", agent, stream->id, stream); if (agent->reliable) { nice_debug ("Agent %p : reliable stream", agent); for (i = 0; i < n_components; i++) { Component *component = stream_find_component_by_id (stream, i + 1); if (component) { TcpUserData *data = g_slice_new0 (TcpUserData); PseudoTcpCallbacks tcp_callbacks = {data, pseudo_tcp_socket_opened, pseudo_tcp_socket_readable, pseudo_tcp_socket_writable, pseudo_tcp_socket_closed, pseudo_tcp_socket_write_packet}; data->agent = agent; data->stream = stream; data->component = component; component->tcp_data = data; component->tcp = pseudo_tcp_socket_new (0, &tcp_callbacks); adjust_tcp_clock (agent, stream, component); nice_debug ("Agent %p: Create Pseudo Tcp Socket for component %d", agent, i+1); } else { nice_debug ("Agent %p: couldn't find component %d", agent, i+1); } } } stream_initialize_credentials (stream, agent->rng); ret = stream->id; agent_unlock(); return ret; } NICEAPI_EXPORT gboolean nice_agent_set_relay_info(NiceAgent *agent, guint stream_id, guint component_id, const gchar *server_ip, guint server_port, const gchar *username, const gchar *password, NiceRelayType type) { Component *component = NULL; g_return_val_if_fail (server_ip, FALSE); g_return_val_if_fail (server_port, FALSE); g_return_val_if_fail (username, FALSE); g_return_val_if_fail (password, FALSE); g_return_val_if_fail (type <= NICE_RELAY_TYPE_TURN_TLS, FALSE); agent_lock(); if (agent_find_component (agent, stream_id, component_id, NULL, &component)) { TurnServer *turn = g_slice_new0 (TurnServer); nice_address_init (&turn->server); if (nice_address_set_from_string (&turn->server, server_ip)) { nice_address_set_port (&turn->server, server_port); } else { g_slice_free (TurnServer, turn); agent_unlock(); return FALSE; } turn->username = g_strdup (username); turn->password = g_strdup (password); turn->type = type; nice_debug ("Agent %p: added relay server [%s]:%d of type %d", agent, server_ip, server_port, type); component->turn_servers = g_list_append (component->turn_servers, turn); } agent_unlock(); return TRUE; } #ifdef HAVE_GUPNP static gboolean priv_upnp_timeout_cb (gpointer user_data) { NiceAgent *agent = (NiceAgent*)user_data; GSList *i; agent_lock(); if (g_source_is_destroyed (g_main_current_source ())) { agent_unlock (); return FALSE; } nice_debug ("Agent %p : UPnP port mapping timed out", agent); for (i = agent->upnp_mapping; i; i = i->next) { NiceAddress *a = i->data; nice_address_free (a); } g_slist_free (agent->upnp_mapping); agent->upnp_mapping = NULL; if (agent->upnp_timer_source != NULL) { g_source_destroy (agent->upnp_timer_source); g_source_unref (agent->upnp_timer_source); agent->upnp_timer_source = NULL; } agent_gathering_done (agent); agent_unlock(); return FALSE; } static void _upnp_mapped_external_port (GUPnPSimpleIgd *self, gchar *proto, gchar *external_ip, gchar *replaces_external_ip, guint external_port, gchar *local_ip, guint local_port, gchar *description, gpointer user_data) { NiceAgent *agent = (NiceAgent*)user_data; NiceAddress localaddr; NiceAddress externaddr; GSList *i, *j, *k; agent_lock(); nice_debug ("Agent %p : Successfully mapped %s:%d to %s:%d", agent, local_ip, local_port, external_ip, external_port); if (!nice_address_set_from_string (&localaddr, local_ip)) goto end; nice_address_set_port (&localaddr, local_port); for (i = agent->upnp_mapping; i; i = i->next) { NiceAddress *addr = i->data; if (nice_address_equal (&localaddr, addr)) { agent->upnp_mapping = g_slist_remove (agent->upnp_mapping, addr); nice_address_free (addr); break; } } if (!nice_address_set_from_string (&externaddr, external_ip)) goto end; nice_address_set_port (&externaddr, external_port); for (i = agent->streams; i; i = i->next) { Stream *stream = i->data; for (j = stream->components; j; j = j->next) { Component *component = j->data; for (k = component->local_candidates; k; k = k->next) { NiceCandidate *local_candidate = k->data; if (nice_address_equal (&localaddr, &local_candidate->base_addr)) { discovery_add_server_reflexive_candidate ( agent, stream->id, component->id, &externaddr, local_candidate->sockptr); goto end; } } } } end: if (g_slist_length (agent->upnp_mapping) == 0) { if (agent->upnp_timer_source != NULL) { g_source_destroy (agent->upnp_timer_source); g_source_unref (agent->upnp_timer_source); agent->upnp_timer_source = NULL; } agent_gathering_done (agent); } agent_unlock(); } static void _upnp_error_mapping_port (GUPnPSimpleIgd *self, GError *error, gchar *proto, guint external_port, gchar *local_ip, guint local_port, gchar *description, gpointer user_data) { NiceAgent *agent = (NiceAgent*)user_data; NiceAddress localaddr; GSList *i; agent_lock(); nice_debug ("Agent %p : Error mapping %s:%d to %d (%d) : %s", agent, local_ip, local_port, external_port, error->domain, error->message); if (nice_address_set_from_string (&localaddr, local_ip)) { nice_address_set_port (&localaddr, local_port); for (i = agent->upnp_mapping; i; i = i->next) { NiceAddress *addr = i->data; if (nice_address_equal (&localaddr, addr)) { agent->upnp_mapping = g_slist_remove (agent->upnp_mapping, addr); nice_address_free (addr); break; } } if (g_slist_length (agent->upnp_mapping) == 0) { if (agent->upnp_timer_source != NULL) { g_source_destroy (agent->upnp_timer_source); g_source_unref (agent->upnp_timer_source); agent->upnp_timer_source = NULL; } agent_gathering_done (agent); } } agent_unlock(); } #endif NICEAPI_EXPORT gboolean nice_agent_gather_candidates ( NiceAgent *agent, guint stream_id) { guint n; GSList *i; Stream *stream; GSList *local_addresses = NULL; gboolean ret = TRUE; agent_lock(); stream = agent_find_stream (agent, stream_id); if (stream == NULL) { agent_unlock(); return FALSE; } nice_debug ("Agent %p : In %s mode, starting candidate gathering.", agent, agent->full_mode ? "ICE-FULL" : "ICE-LITE"); #ifdef HAVE_GUPNP priv_free_upnp (agent); if (agent->upnp_enabled) { agent->upnp = gupnp_simple_igd_thread_new (); agent->upnp_timer_source = agent_timeout_add_with_context (agent, agent->upnp_timeout, priv_upnp_timeout_cb, agent); if (agent->upnp) { g_signal_connect (agent->upnp, "mapped-external-port", G_CALLBACK (_upnp_mapped_external_port), agent); g_signal_connect (agent->upnp, "error-mapping-port", G_CALLBACK (_upnp_error_mapping_port), agent); } else { nice_debug ("Agent %p : Error creating UPnP Simple IGD agent", agent); } } else { nice_debug ("Agent %p : UPnP property Disabled", agent); } #else nice_debug ("Agent %p : libnice compiled without UPnP support", agent); #endif /* if no local addresses added, generate them ourselves */ if (agent->local_addresses == NULL) { GList *addresses = nice_interfaces_get_local_ips (FALSE); GList *item; for (item = addresses; item; item = g_list_next (item)) { NiceAddress *addr = nice_address_new (); if (nice_address_set_from_string (addr, item->data)) { local_addresses = g_slist_append (local_addresses, addr); } else { nice_address_free (addr); } } g_list_foreach (addresses, (GFunc) g_free, NULL); g_list_free (addresses); } else { for (i = agent->local_addresses; i; i = i->next) { NiceAddress *addr = i->data; NiceAddress *dup = nice_address_dup (addr); local_addresses = g_slist_append (local_addresses, dup); } } /* generate a local host candidate for each local address */ for (i = local_addresses; i; i = i->next) { NiceAddress *addr = i->data; NiceCandidate *host_candidate; #ifdef HAVE_GUPNP gchar local_ip[NICE_ADDRESS_STRING_LEN]; nice_address_to_string (addr, local_ip); #endif for (n = 0; n < stream->n_components; n++) { Component *component = stream_find_component_by_id (stream, n + 1); guint current_port; if (component == NULL) continue; current_port = component->min_port; if (agent->reliable && component->tcp == NULL) { nice_debug ("Agent %p: not gathering candidates for s%d:%d because " "pseudo tcp socket does not exist in reliable mode", agent, stream->id, component->id); continue; } host_candidate = NULL; while (host_candidate == NULL) { nice_debug ("Agent %p: Trying to create host candidate on port %d", agent, current_port); nice_address_set_port (addr, current_port); host_candidate = discovery_add_local_host_candidate (agent, stream->id, n + 1, addr); if (current_port > 0) current_port++; if (current_port == 0 || current_port > component->max_port) break; } nice_address_set_port (addr, 0); if (!host_candidate) { gchar ip[NICE_ADDRESS_STRING_LEN]; nice_address_to_string (addr, ip); nice_debug ("Agent %p: Unable to add local host candidate %s for s%d:%d" ". Invalid interface?", agent, ip, stream->id, component->id); ret = FALSE; goto error; } #ifdef HAVE_GUPNP if (agent->upnp_enabled) { NiceAddress *addr = nice_address_dup (&host_candidate->base_addr); nice_debug ("Agent %p: Adding UPnP port %s:%d", agent, local_ip, nice_address_get_port (&host_candidate->base_addr)); gupnp_simple_igd_add_port (GUPNP_SIMPLE_IGD (agent->upnp), "UDP", 0, local_ip, nice_address_get_port (&host_candidate->base_addr), 0, PACKAGE_STRING); agent->upnp_mapping = g_slist_prepend (agent->upnp_mapping, addr); } #endif if (agent->full_mode && agent->stun_server_ip) { NiceAddress stun_server; if (nice_address_set_from_string (&stun_server, agent->stun_server_ip)) { nice_address_set_port (&stun_server, agent->stun_server_port); priv_add_new_candidate_discovery_stun (agent, host_candidate->sockptr, stun_server, stream, n + 1); } } if (agent->full_mode && component) { GList *item; for (item = component->turn_servers; item; item = item->next) { TurnServer *turn = item->data; priv_add_new_candidate_discovery_turn (agent, host_candidate->sockptr, turn, stream, n + 1); } } } } stream->gathering = TRUE; /* Only signal the new candidates after we're sure that the gathering was * succesfful. But before sending gathering-done */ for (n = 0; n < stream->n_components; n++) { Component *component = stream_find_component_by_id (stream, n + 1); for (i = component->local_candidates; i; i = i->next) { NiceCandidate *candidate = i->data; agent_signal_new_candidate (agent, candidate); } } /* note: no async discoveries pending, signal that we are ready */ if (agent->discovery_unsched_items == 0 && #ifdef HAVE_GUPNP g_slist_length (agent->upnp_mapping) == 0) { #else TRUE) { #endif nice_debug ("Agent %p: Candidate gathering FINISHED, no scheduled items.", agent); agent_gathering_done (agent); } else if (agent->discovery_unsched_items) { discovery_schedule (agent); } error: for (i = local_addresses; i; i = i->next) nice_address_free (i->data); g_slist_free (local_addresses); if (ret == FALSE) { priv_free_upnp (agent); for (n = 0; n < stream->n_components; n++) { Component *component = stream_find_component_by_id (stream, n + 1); priv_detach_stream_component (stream, component); for (i = component->local_candidates; i; i = i->next) { NiceCandidate *candidate = i->data; nice_candidate_free (candidate); } for (i = component->sockets; i; i = i->next) { NiceSocket *udpsocket = i->data; nice_socket_free (udpsocket); } g_slist_free (component->local_candidates); component->local_candidates = NULL; g_slist_free (component->sockets); component->sockets = NULL; } discovery_prune_stream (agent, stream_id); } agent_unlock(); return ret; } static void priv_free_upnp (NiceAgent *agent) { #ifdef HAVE_GUPNP GSList *i; if (agent->upnp) { g_object_unref (agent->upnp); agent->upnp = NULL; } for (i = agent->upnp_mapping; i; i = i->next) { NiceAddress *a = i->data; nice_address_free (a); } g_slist_free (agent->upnp_mapping); agent->upnp_mapping = NULL; if (agent->upnp_timer_source != NULL) { g_source_destroy (agent->upnp_timer_source); g_source_unref (agent->upnp_timer_source); agent->upnp_timer_source = NULL; } #endif } static void priv_remove_keepalive_timer (NiceAgent *agent) { if (agent->keepalive_timer_source != NULL) { g_source_destroy (agent->keepalive_timer_source); g_source_unref (agent->keepalive_timer_source); agent->keepalive_timer_source = NULL; } } NICEAPI_EXPORT void nice_agent_remove_stream ( NiceAgent *agent, guint stream_id) { /* note that streams/candidates can be in use by other threads */ Stream *stream; agent_lock(); stream = agent_find_stream (agent, stream_id); if (!stream) { goto done; } /* note: remove items with matching stream_ids from both lists */ conn_check_prune_stream (agent, stream); discovery_prune_stream (agent, stream_id); refresh_prune_stream (agent, stream_id); /* remove the stream itself */ agent->streams = g_slist_remove (agent->streams, stream); stream_free (stream); if (!agent->streams) priv_remove_keepalive_timer (agent); done: agent_unlock(); } NICEAPI_EXPORT void nice_agent_set_port_range (NiceAgent *agent, guint stream_id, guint component_id, guint min_port, guint max_port) { Component *component; agent_lock(); if (agent_find_component (agent, stream_id, component_id, NULL, &component)) { component->min_port = min_port; component->max_port = max_port; } agent_unlock(); } NICEAPI_EXPORT gboolean nice_agent_add_local_address (NiceAgent *agent, NiceAddress *addr) { NiceAddress *dup; agent_lock(); dup = nice_address_dup (addr); nice_address_set_port (dup, 0); agent->local_addresses = g_slist_append (agent->local_addresses, dup); agent_unlock(); return TRUE; } static gboolean priv_add_remote_candidate ( NiceAgent *agent, guint stream_id, guint component_id, NiceCandidateType type, const NiceAddress *addr, const NiceAddress *base_addr, NiceCandidateTransport transport, guint32 priority, const gchar *username, const gchar *password, const gchar *foundation) { Component *component; NiceCandidate *candidate; if (!agent_find_component (agent, stream_id, component_id, NULL, &component)) return FALSE; /* step: check whether the candidate already exists */ candidate = component_find_remote_candidate(component, addr, transport); if (candidate) { { gchar tmpbuf[INET6_ADDRSTRLEN]; nice_address_to_string (addr, tmpbuf); nice_debug ("Agent %p : Updating existing remote candidate with addr [%s]:%u" " for s%d/c%d. U/P '%s'/'%s' prio: %u", agent, tmpbuf, nice_address_get_port (addr), stream_id, component_id, username, password, priority); } /* case 1: an existing candidate, update the attributes */ candidate->type = type; if (base_addr) candidate->base_addr = *base_addr; candidate->priority = priority; if (foundation) g_strlcpy(candidate->foundation, foundation, NICE_CANDIDATE_MAX_FOUNDATION); /* note: username and password must remain the same during * a session; see sect 9.1.2 in ICE ID-19 */ /* note: however, the user/pass in ID-19 is global, if the user/pass * are set in the candidate here, it means they need to be updated... * this is essential to overcome a race condition where we might receive * a valid binding request from a valid candidate that wasn't yet added to * our list of candidates.. this 'update' will make the peer-rflx a * server-rflx/host candidate again and restore that user/pass it needed * to have in the first place */ if (username) { g_free (candidate->username); candidate->username = g_strdup (username); } if (password) { g_free (candidate->password); candidate->password = g_strdup (password); } if (conn_check_add_for_candidate (agent, stream_id, component, candidate) < 0) goto errors; } else { /* case 2: add a new candidate */ candidate = nice_candidate_new (type); component->remote_candidates = g_slist_append (component->remote_candidates, candidate); candidate->stream_id = stream_id; candidate->component_id = component_id; candidate->type = type; if (addr) candidate->addr = *addr; { gchar tmpbuf[INET6_ADDRSTRLEN] = {0}; if(addr) nice_address_to_string (addr, tmpbuf); nice_debug ("Agent %p : Adding remote candidate with addr [%s]:%u" " for s%d/c%d. U/P '%s'/'%s' prio: %u", agent, tmpbuf, addr? nice_address_get_port (addr) : 0, stream_id, component_id, username, password, priority); } if (base_addr) candidate->base_addr = *base_addr; candidate->transport = transport; candidate->priority = priority; candidate->username = g_strdup (username); candidate->password = g_strdup (password); if (foundation) g_strlcpy (candidate->foundation, foundation, NICE_CANDIDATE_MAX_FOUNDATION); if (conn_check_add_for_candidate (agent, stream_id, component, candidate) < 0) goto errors; } return TRUE; errors: nice_candidate_free (candidate); return FALSE; } NICEAPI_EXPORT gboolean nice_agent_set_remote_credentials ( NiceAgent *agent, guint stream_id, const gchar *ufrag, const gchar *pwd) { Stream *stream; gboolean ret = FALSE; agent_lock(); stream = agent_find_stream (agent, stream_id); /* note: oddly enough, ufrag and pwd can be empty strings */ if (stream && ufrag && pwd) { g_strlcpy (stream->remote_ufrag, ufrag, NICE_STREAM_MAX_UFRAG); g_strlcpy (stream->remote_password, pwd, NICE_STREAM_MAX_PWD); ret = TRUE; goto done; } done: agent_unlock(); return ret; } NICEAPI_EXPORT gboolean nice_agent_get_local_credentials ( NiceAgent *agent, guint stream_id, gchar **ufrag, gchar **pwd) { Stream *stream; gboolean ret = TRUE; agent_lock(); stream = agent_find_stream (agent, stream_id); if (stream == NULL) { goto done; } if (!ufrag || !pwd) { goto done; } *ufrag = g_strdup (stream->local_ufrag); *pwd = g_strdup (stream->local_password); ret = TRUE; done: agent_unlock(); return ret; } static int _set_remote_candidates_locked (NiceAgent *agent, Stream *stream, Component *component, const GSList *candidates) { const GSList *i; int added = 0; if (agent->reliable && component->tcp == NULL) { nice_debug ("Agent %p: not setting remote candidate for s%d:%d because " "pseudo tcp socket does not exist in reliable mode", agent, stream->id, component->id); goto done; } for (i = candidates; i && added >= 0; i = i->next) { NiceCandidate *d = (NiceCandidate*) i->data; if (nice_address_is_valid (&d->addr) == TRUE) { gboolean res = priv_add_remote_candidate (agent, stream->id, component->id, d->type, &d->addr, &d->base_addr, d->transport, d->priority, d->username, d->password, d->foundation); if (res) ++added; } } conn_check_remote_candidates_set(agent); if (added > 0) { gboolean res = conn_check_schedule_next (agent); if (res != TRUE) nice_debug ("Agent %p : Warning: unable to schedule any conn checks!", agent); } done: return added; } NICEAPI_EXPORT int nice_agent_set_remote_candidates (NiceAgent *agent, guint stream_id, guint component_id, const GSList *candidates) { int added = 0; Stream *stream; Component *component; nice_debug ("Agent %p: set_remote_candidates %d %d", agent, stream_id, component_id); agent_lock(); if (!agent_find_component (agent, stream_id, component_id, &stream, &component)) { g_warning ("Could not find component %u in stream %u", component_id, stream_id); added = -1; goto done; } added = _set_remote_candidates_locked (agent, stream, component, candidates); done: agent_unlock(); return added; } static gint _nice_agent_recv ( NiceAgent *agent, Stream *stream, Component *component, NiceSocket *socket, guint buf_len, gchar *buf) { NiceAddress from; gint len; GList *item; len = nice_socket_recv (socket, &from, buf_len, buf); if (len <= 0) return len; #ifndef NDEBUG if (len > 0) { gchar tmpbuf[INET6_ADDRSTRLEN]; nice_address_to_string (&from, tmpbuf); nice_debug ("Agent %p : Packet received on local socket %u from [%s]:%u (%u octets).", agent, g_socket_get_fd (socket->fileno), tmpbuf, nice_address_get_port (&from), len); } #endif if ((guint)len > buf_len) { /* buffer is not big enough to accept this packet */ /* XXX: test this case */ return 0; } for (item = component->turn_servers; item; item = g_list_next (item)) { TurnServer *turn = item->data; if (nice_address_equal (&from, &turn->server)) { GSList * i = NULL; #ifndef NDEBUG nice_debug ("Agent %p : Packet received from TURN server candidate.", agent); #endif for (i = component->local_candidates; i; i = i->next) { NiceCandidate *cand = i->data; if (cand->type == NICE_CANDIDATE_TYPE_RELAYED && cand->stream_id == stream->id && cand->component_id == component->id) { len = nice_turn_socket_parse_recv (cand->sockptr, &socket, &from, len, buf, &from, buf, len); } } break; } } agent->media_after_tick = TRUE; if (stun_message_validate_buffer_length ((uint8_t *) buf, (size_t) len, (agent->compatibility != NICE_COMPATIBILITY_OC2007 && agent->compatibility != NICE_COMPATIBILITY_OC2007R2)) != len) /* If the retval is no 0, its not a valid stun packet, probably data */ return len; if (conn_check_handle_inbound_stun (agent, stream, component, socket, &from, buf, len)) /* handled STUN message*/ return 0; /* unhandled STUN, pass to client */ return len; } NICEAPI_EXPORT gint nice_agent_send ( NiceAgent *agent, guint stream_id, guint component_id, guint len, const gchar *buf) { Stream *stream; Component *component; gint ret = -1; agent_lock(); if (!agent_find_component (agent, stream_id, component_id, &stream, &component)) { goto done; } if (component->tcp != NULL) { ret = pseudo_tcp_socket_send (component->tcp, buf, len); adjust_tcp_clock (agent, stream, component); /* if (ret == -1 && pseudo_tcp_socket_get_error (component->tcp) != EWOULDBLOCK) { } */ /* In case of -1, the error is either EWOULDBLOCK or ENOTCONN, which both need the user to wait for the reliable-transport-writable signal */ } else if(agent->reliable) { nice_debug ("Trying to send on a pseudo tcp FAILED component"); goto done; } else if (component->selected_pair.local != NULL) { NiceSocket *sock; NiceAddress *addr; #ifndef NDEBUG gchar tmpbuf[INET6_ADDRSTRLEN]; nice_address_to_string (&component->selected_pair.remote->addr, tmpbuf); nice_debug ("Agent %p : s%d:%d: sending %d bytes to [%s]:%d", agent, stream_id, component_id, len, tmpbuf, nice_address_get_port (&component->selected_pair.remote->addr)); #endif sock = component->selected_pair.local->sockptr; addr = &component->selected_pair.remote->addr; if (nice_socket_send (sock, addr, len, buf)) { ret = len; } goto done; } done: agent_unlock(); return ret; } NICEAPI_EXPORT GSList * nice_agent_get_local_candidates ( NiceAgent *agent, guint stream_id, guint component_id) { Component *component; GSList * ret = NULL; GSList * item = NULL; agent_lock(); if (!agent_find_component (agent, stream_id, component_id, NULL, &component)) { goto done; } for (item = component->local_candidates; item; item = item->next) ret = g_slist_append (ret, nice_candidate_copy (item->data)); done: agent_unlock(); return ret; } NICEAPI_EXPORT GSList * nice_agent_get_remote_candidates ( NiceAgent *agent, guint stream_id, guint component_id) { Component *component; GSList *ret = NULL, *item = NULL; agent_lock(); if (!agent_find_component (agent, stream_id, component_id, NULL, &component)) { goto done; } for (item = component->remote_candidates; item; item = item->next) ret = g_slist_append (ret, nice_candidate_copy (item->data)); done: agent_unlock(); return ret; } gboolean nice_agent_restart ( NiceAgent *agent) { GSList *i; gboolean res = TRUE; agent_lock(); /* step: clean up all connectivity checks */ conn_check_free (agent); /* step: regenerate tie-breaker value */ priv_generate_tie_breaker (agent); for (i = agent->streams; i && res; i = i->next) { Stream *stream = i->data; /* step: reset local credentials for the stream and * clean up the list of remote candidates */ res = stream_restart (stream, agent->rng); } agent_unlock(); return res; } static void nice_agent_dispose (GObject *object) { GSList *i; NiceAgent *agent = NICE_AGENT (object); /* step: free resources for the binding discovery timers */ discovery_free (agent); g_assert (agent->discovery_list == NULL); refresh_free (agent); g_assert (agent->refresh_list == NULL); /* step: free resources for the connectivity check timers */ conn_check_free (agent); priv_remove_keepalive_timer (agent); for (i = agent->local_addresses; i; i = i->next) { NiceAddress *a = i->data; nice_address_free (a); } g_slist_free (agent->local_addresses); agent->local_addresses = NULL; for (i = agent->streams; i; i = i->next) { Stream *s = i->data; stream_free (s); } g_slist_free (agent->streams); agent->streams = NULL; g_free (agent->stun_server_ip); agent->stun_server_ip = NULL; g_free (agent->proxy_ip); agent->proxy_ip = NULL; g_free (agent->proxy_username); agent->proxy_username = NULL; g_free (agent->proxy_password); agent->proxy_password = NULL; nice_rng_free (agent->rng); agent->rng = NULL; priv_free_upnp (agent); g_free (agent->software_attribute); agent->software_attribute = NULL; if (agent->main_context != NULL) g_main_context_unref (agent->main_context); agent->main_context = NULL; if (G_OBJECT_CLASS (nice_agent_parent_class)->dispose) G_OBJECT_CLASS (nice_agent_parent_class)->dispose (object); } typedef struct _IOCtx IOCtx; struct _IOCtx { GSource *source; NiceAgent *agent; Stream *stream; Component *component; NiceSocket *socket; }; static IOCtx * io_ctx_new ( NiceAgent *agent, Stream *stream, Component *component, NiceSocket *socket, GSource *source) { IOCtx *ctx; ctx = g_slice_new0 (IOCtx); ctx->agent = agent; ctx->stream = stream; ctx->component = component; ctx->socket = socket; ctx->source = source; return ctx; } static void io_ctx_free (IOCtx *ctx) { g_slice_free (IOCtx, ctx); } static gboolean nice_agent_g_source_cb ( GSocket *gsocket, GIOCondition condition, gpointer data) { IOCtx *ctx = data; NiceAgent *agent = ctx->agent; Stream *stream = ctx->stream; Component *component = ctx->component; gchar buf[MAX_BUFFER_SIZE]; gint len; agent_lock(); if (g_source_is_destroyed (g_main_current_source ())) { agent_unlock (); return FALSE; } len = _nice_agent_recv (agent, stream, component, ctx->socket, MAX_BUFFER_SIZE, buf); if (len > 0 && component->tcp) { g_object_add_weak_pointer (G_OBJECT (agent), (gpointer *)&agent); pseudo_tcp_socket_notify_packet (component->tcp, buf, len); if (agent) { adjust_tcp_clock (agent, stream, component); g_object_remove_weak_pointer (G_OBJECT (agent), (gpointer *)&agent); } else { nice_debug ("Our agent got destroyed in notify_packet!!"); } } else if(len > 0 && agent->reliable) { nice_debug ("Received data on a pseudo tcp FAILED component"); } else if (len > 0 && component->g_source_io_cb) { gpointer data = component->data; gint sid = stream->id; gint cid = component->id; NiceAgentRecvFunc callback = component->g_source_io_cb; /* Unlock the agent before calling the callback */ agent_unlock(); callback (agent, sid, cid, len, buf, data); goto done; } else if (len < 0) { GSource *source = ctx->source; nice_debug ("Agent %p: _nice_agent_recv returned %d, errno (%d) : %s", agent, len, errno, g_strerror (errno)); component->gsources = g_slist_remove (component->gsources, source); g_source_destroy (source); g_source_unref (source); /* We don't close the socket because it would be way too complicated to * take care of every path where the socket might still be used.. */ nice_debug ("Agent %p: unable to recv from socket %p. Detaching", agent, ctx->socket); } agent_unlock(); done: return TRUE; } /* * Attaches one socket handle to the main loop event context */ void agent_attach_stream_component_socket (NiceAgent *agent, Stream *stream, Component *component, NiceSocket *socket) { GSource *source; IOCtx *ctx; if (!component->ctx) return; /* note: without G_IO_ERR the glib mainloop goes into * busyloop if errors are encountered */ source = g_socket_create_source(socket->fileno, G_IO_IN | G_IO_ERR, NULL); ctx = io_ctx_new (agent, stream, component, socket, source); g_source_set_callback (source, (GSourceFunc) nice_agent_g_source_cb, ctx, (GDestroyNotify) io_ctx_free); nice_debug ("Agent %p : Attach source %p (stream %u).", agent, source, stream->id); g_source_attach (source, component->ctx); component->gsources = g_slist_append (component->gsources, source); } /* * Attaches socket handles of 'stream' to the main eventloop * context. * */ static gboolean priv_attach_stream_component (NiceAgent *agent, Stream *stream, Component *component) { GSList *i; for (i = component->sockets; i; i = i->next) agent_attach_stream_component_socket (agent, stream, component, i->data); return TRUE; } /* * Detaches socket handles of 'stream' from the main eventloop * context. * */ static void priv_detach_stream_component (Stream *stream, Component *component) { GSList *i; for (i = component->gsources; i; i = i->next) { GSource *source = i->data; nice_debug ("Detach source %p (stream %u).", source, stream->id); g_source_destroy (source); g_source_unref (source); } g_slist_free (component->gsources); component->gsources = NULL; } NICEAPI_EXPORT gboolean nice_agent_attach_recv ( NiceAgent *agent, guint stream_id, guint component_id, GMainContext *ctx, NiceAgentRecvFunc func, gpointer data) { Component *component = NULL; Stream *stream = NULL; gboolean ret = FALSE; agent_lock(); /* attach candidates */ /* step: check that params specify an existing pair */ if (!agent_find_component (agent, stream_id, component_id, &stream, &component)) { g_warning ("Could not find component %u in stream %u", component_id, stream_id); goto done; } if (component->g_source_io_cb) priv_detach_stream_component (stream, component); ret = TRUE; component->g_source_io_cb = NULL; component->data = NULL; if (component->ctx) g_main_context_unref (component->ctx); component->ctx = NULL; if (func) { component->g_source_io_cb = func; component->data = data; component->ctx = ctx; if (ctx) g_main_context_ref (ctx); priv_attach_stream_component (agent, stream, component); /* If we got detached, maybe our readable callback didn't finish reading * all available data in the pseudotcp, so we need to make sure we free * our recv window, so the readable callback can be triggered again on the * next incoming data. * but only do this if we know we're already readable, otherwise we might * trigger an error in the initial, pre-connection attach. */ if (component->tcp && component->tcp_data && component->tcp_readable) pseudo_tcp_socket_readable (component->tcp, component->tcp_data); } done: agent_unlock(); return ret; } NICEAPI_EXPORT gboolean nice_agent_set_selected_pair ( NiceAgent *agent, guint stream_id, guint component_id, const gchar *lfoundation, const gchar *rfoundation) { Component *component; Stream *stream; CandidatePair pair; gboolean ret = FALSE; agent_lock(); /* step: check that params specify an existing pair */ if (!agent_find_component (agent, stream_id, component_id, &stream, &component)) { goto done; } if (!component_find_pair (component, agent, lfoundation, rfoundation, &pair)){ goto done; } /* step: stop connectivity checks (note: for the whole stream) */ conn_check_prune_stream (agent, stream); if (agent->reliable && component->tcp == NULL) { nice_debug ("Agent %p: not setting selected pair for s%d:%d because " "pseudo tcp socket does not exist in reliable mode", agent, stream->id, component->id); goto done; } /* step: change component state */ agent_signal_component_state_change (agent, stream_id, component_id, NICE_COMPONENT_STATE_READY); /* step: set the selected pair */ component_update_selected_pair (component, &pair); agent_signal_new_selected_pair (agent, stream_id, component_id, lfoundation, rfoundation); ret = TRUE; done: agent_unlock(); return ret; } NICEAPI_EXPORT gboolean nice_agent_get_selected_pair (NiceAgent *agent, guint stream_id, guint component_id, NiceCandidate **local, NiceCandidate **remote) { Component *component; Stream *stream; gboolean ret = FALSE; agent_lock(); /* step: check that params specify an existing pair */ if (!agent_find_component (agent, stream_id, component_id, &stream, &component)) goto done; if (component->selected_pair.local && component->selected_pair.remote) { *local = component->selected_pair.local; *remote = component->selected_pair.remote; ret = TRUE; } done: agent_unlock(); return ret; } GSource* agent_timeout_add_with_context (NiceAgent *agent, guint interval, GSourceFunc function, gpointer data) { GSource *source; g_return_val_if_fail (function != NULL, NULL); source = g_timeout_source_new (interval); g_source_set_callback (source, function, data, NULL); g_source_attach (source, agent->main_context); return source; } NICEAPI_EXPORT gboolean nice_agent_set_selected_remote_candidate ( NiceAgent *agent, guint stream_id, guint component_id, NiceCandidate *candidate) { Component *component; Stream *stream; NiceCandidate *lcandidate = NULL; gboolean ret = FALSE; agent_lock(); /* step: check if the component exists*/ if (!agent_find_component (agent, stream_id, component_id, &stream, &component)) { goto done; } /* step: stop connectivity checks (note: for the whole stream) */ conn_check_prune_stream (agent, stream); if (agent->reliable && component->tcp == NULL) { nice_debug ("Agent %p: not setting selected remote candidate s%d:%d because " "pseudo tcp socket does not exist in reliable mode", agent, stream->id, component->id); goto done; } /* step: set the selected pair */ lcandidate = component_set_selected_remote_candidate (agent, component, candidate); if (!lcandidate) goto done; /* step: change component state */ agent_signal_component_state_change (agent, stream_id, component_id, NICE_COMPONENT_STATE_READY); agent_signal_new_selected_pair (agent, stream_id, component_id, lcandidate->foundation, candidate->foundation); ret = TRUE; done: agent_unlock(); return ret; } void _priv_set_socket_tos (NiceAgent *agent, NiceSocket *sock, gint tos) { if (setsockopt (g_socket_get_fd (sock->fileno), IPPROTO_IP, IP_TOS, (const char *) &tos, sizeof (tos)) < 0) { nice_debug ("Agent %p: Could not set socket ToS", agent, g_strerror (errno)); } #ifdef IPV6_TCLASS if (setsockopt (g_socket_get_fd (sock->fileno), IPPROTO_IPV6, IPV6_TCLASS, (const char *) &tos, sizeof (tos)) < 0) { nice_debug ("Agent %p: Could not set IPV6 socket ToS", agent, g_strerror (errno)); } #endif } NICEAPI_EXPORT void nice_agent_set_stream_tos (NiceAgent *agent, guint stream_id, gint tos) { GSList *i, *j; Stream *stream; agent_lock(); stream = agent_find_stream (agent, stream_id); if (stream == NULL) goto done; stream->tos = tos; for (i = stream->components; i; i = i->next) { Component *component = i->data; for (j = component->local_candidates; j; j = j->next) { NiceCandidate *local_candidate = j->data; _priv_set_socket_tos (agent, local_candidate->sockptr, tos); } } done: agent_unlock(); } NICEAPI_EXPORT void nice_agent_set_software (NiceAgent *agent, const gchar *software) { agent_lock(); g_free (agent->software_attribute); if (software) agent->software_attribute = g_strdup_printf ("%s/%s", software, PACKAGE_STRING); stun_agent_set_software (&agent->stun_agent, agent->software_attribute); agent_unlock (); } NICEAPI_EXPORT gboolean nice_agent_set_stream_name (NiceAgent *agent, guint stream_id, const gchar *name) { Stream *stream_to_name = NULL; GSList *i; gboolean ret = FALSE; agent_lock(); if (name != NULL) { for (i = agent->streams; i; i = i->next) { Stream *stream = i->data; if (stream->id != stream_id && g_strcmp0 (stream->name, name) == 0) goto done; else if (stream->id == stream_id) stream_to_name = stream; } } if (stream_to_name == NULL) goto done; if (stream_to_name->name) g_free (stream_to_name->name); stream_to_name->name = g_strdup (name); ret = TRUE; done: agent_unlock(); return ret; } NICEAPI_EXPORT const gchar * nice_agent_get_stream_name (NiceAgent *agent, guint stream_id) { Stream *stream; gchar *name = NULL; agent_lock(); stream = agent_find_stream (agent, stream_id); if (stream == NULL) goto done; name = stream->name; done: agent_unlock(); return name; } static NiceCandidate * _get_default_local_candidate_locked (NiceAgent *agent, Stream *stream, Component *component) { GSList *i; NiceCandidate *default_candidate = NULL; NiceCandidate *default_rtp_candidate = NULL; if (component->id != NICE_COMPONENT_TYPE_RTP) { Component *rtp_component; if (!agent_find_component (agent, stream->id, NICE_COMPONENT_TYPE_RTP, NULL, &rtp_component)) goto done; default_rtp_candidate = _get_default_local_candidate_locked (agent, stream, rtp_component); if (default_rtp_candidate == NULL) goto done; } for (i = component->local_candidates; i; i = i->next) { NiceCandidate *local_candidate = i->data; /* Only check for ipv4 candidates */ if (nice_address_ip_version (&local_candidate->addr) != 4) continue; if (component->id == NICE_COMPONENT_TYPE_RTP) { if (default_candidate == NULL || local_candidate->priority < default_candidate->priority) { default_candidate = local_candidate; } } else if (strncmp (local_candidate->foundation, default_rtp_candidate->foundation, NICE_CANDIDATE_MAX_FOUNDATION) == 0) { default_candidate = local_candidate; break; } } done: return default_candidate; } NICEAPI_EXPORT NiceCandidate * nice_agent_get_default_local_candidate (NiceAgent *agent, guint stream_id, guint component_id) { Stream *stream = NULL; Component *component = NULL; NiceCandidate *default_candidate = NULL; agent_lock (); /* step: check if the component exists*/ if (!agent_find_component (agent, stream_id, component_id, &stream, &component)) goto done; default_candidate = _get_default_local_candidate_locked (agent, stream, component); if (default_candidate) default_candidate = nice_candidate_copy (default_candidate); done: agent_unlock (); return default_candidate; } static const gchar * _cand_type_to_sdp (NiceCandidateType type) { switch(type) { case NICE_CANDIDATE_TYPE_SERVER_REFLEXIVE: return "srflx"; case NICE_CANDIDATE_TYPE_PEER_REFLEXIVE: return "prflx"; case NICE_CANDIDATE_TYPE_RELAYED: return "relay"; case NICE_CANDIDATE_TYPE_HOST: default: return "host"; } } static void _generate_candidate_sdp (NiceAgent *agent, NiceCandidate *candidate, GString *sdp) { gchar ip4[INET6_ADDRSTRLEN]; nice_address_to_string (&candidate->addr, ip4); g_string_append_printf (sdp, "a=candidate:%.*s %d %s %d %s %d", NICE_CANDIDATE_MAX_FOUNDATION, candidate->foundation, candidate->component_id, candidate->transport == NICE_CANDIDATE_TRANSPORT_UDP ? "UDP" : "???", candidate->priority, ip4, nice_address_get_port (&candidate->addr)); g_string_append_printf (sdp, " typ %s", _cand_type_to_sdp (candidate->type)); if (nice_address_is_valid (&candidate->base_addr) && !nice_address_equal (&candidate->addr, &candidate->base_addr)) { nice_address_to_string (&candidate->base_addr, ip4); g_string_append_printf (sdp, " raddr %s rport %d", ip4, nice_address_get_port (&candidate->base_addr)); } } static void _generate_stream_sdp (NiceAgent *agent, Stream *stream, GString *sdp, gboolean include_non_ice) { GSList *i, *j; if (include_non_ice) { NiceAddress rtp, rtcp; gchar ip4[INET6_ADDRSTRLEN]; nice_address_init (&rtp); nice_address_set_ipv4 (&rtp, 0); nice_address_init (&rtcp); nice_address_set_ipv4 (&rtcp, 0); /* Find default candidates */ for (i = stream->components; i; i = i->next) { Component *component = i->data; NiceCandidate *default_candidate; if (component->id == NICE_COMPONENT_TYPE_RTP) { default_candidate = _get_default_local_candidate_locked (agent, stream, component); if (default_candidate) rtp = default_candidate->addr; } else if (component->id == NICE_COMPONENT_TYPE_RTCP) { default_candidate = _get_default_local_candidate_locked (agent, stream, component); if (default_candidate) rtcp = default_candidate->addr; } } nice_address_to_string (&rtp, ip4); g_string_append_printf (sdp, "m=%s %d ICE/SDP\n", stream->name ? stream->name : "-", nice_address_get_port (&rtp)); g_string_append_printf (sdp, "c=IN IP4 %s\n", ip4); if (nice_address_get_port (&rtcp) != 0) g_string_append_printf (sdp, "a=rtcp:%d\n", nice_address_get_port (&rtcp)); } g_string_append_printf (sdp, "a=ice-ufrag:%s\n", stream->local_ufrag); g_string_append_printf (sdp, "a=ice-pwd:%s\n", stream->local_password); for (i = stream->components; i; i = i->next) { Component *component = i->data; for (j = component->local_candidates; j; j = j->next) { NiceCandidate *candidate = j->data; _generate_candidate_sdp (agent, candidate, sdp); g_string_append (sdp, "\n"); } } } NICEAPI_EXPORT gchar * nice_agent_generate_local_sdp (NiceAgent *agent) { GString * sdp = g_string_new (NULL); GSList *i; agent_lock(); for (i = agent->streams; i; i = i->next) { Stream *stream = i->data; _generate_stream_sdp (agent, stream, sdp, TRUE); } agent_unlock(); return g_string_free (sdp, FALSE); } NICEAPI_EXPORT gchar * nice_agent_generate_local_stream_sdp (NiceAgent *agent, guint stream_id, gboolean include_non_ice) { GString *sdp = NULL; gchar *ret = NULL; Stream *stream; agent_lock(); stream = agent_find_stream (agent, stream_id); if (stream == NULL) goto done; sdp = g_string_new (NULL); _generate_stream_sdp (agent, stream, sdp, include_non_ice); ret = g_string_free (sdp, FALSE); done: agent_unlock(); return ret; } NICEAPI_EXPORT gchar * nice_agent_generate_local_candidate_sdp (NiceAgent *agent, NiceCandidate *candidate) { GString *sdp = NULL; g_return_val_if_fail(candidate, NULL); agent_lock(); sdp = g_string_new (NULL); _generate_candidate_sdp (agent, candidate, sdp); agent_unlock(); return g_string_free (sdp, FALSE); } NICEAPI_EXPORT gint nice_agent_parse_remote_sdp (NiceAgent *agent, const gchar *sdp) { Stream *current_stream = NULL; gchar **sdp_lines = NULL; GSList *l; gint i; gint ret = 0; agent_lock(); for (l = agent->streams; l; l = l->next) { Stream *stream = l->data; if (stream->name == NULL) { ret = -1; goto done; } } sdp_lines = g_strsplit (sdp, "\n", 0); for (i = 0; sdp_lines && sdp_lines[i]; i++) { if (g_str_has_prefix (sdp_lines[i], "m=")) { gchar *name = g_strdup (sdp_lines[i] + 2); gchar *ptr = name; while (*ptr != ' ' && *ptr != '\0') ptr++; *ptr = 0; current_stream = NULL; for (l = agent->streams; l; l = l->next) { Stream *stream = l->data; if (g_strcmp0 (stream->name, name) == 0) { current_stream = stream; break; } } g_free (name); } else if (g_str_has_prefix (sdp_lines[i], "a=ice-ufrag:")) { if (current_stream == NULL) { ret = -1; goto done; } g_strlcpy (current_stream->remote_ufrag, sdp_lines[i] + 12, NICE_STREAM_MAX_UFRAG); } else if (g_str_has_prefix (sdp_lines[i], "a=ice-pwd:")) { if (current_stream == NULL) { ret = -1; goto done; } g_strlcpy (current_stream->remote_password, sdp_lines[i] + 10, NICE_STREAM_MAX_PWD); } else if (g_str_has_prefix (sdp_lines[i], "a=candidate:")) { NiceCandidate *candidate = NULL; Component *component = NULL; GSList *cands = NULL; gint added; if (current_stream == NULL) { ret = -1; goto done; } candidate = nice_agent_parse_remote_candidate_sdp (agent, current_stream->id, sdp_lines[i]); if (candidate == NULL) { ret = -1; goto done; } if (!agent_find_component (agent, candidate->stream_id, candidate->component_id, NULL, &component)) { nice_candidate_free (candidate); ret = -1; goto done; } cands = g_slist_prepend (cands, candidate); added = _set_remote_candidates_locked (agent, current_stream, component, cands); g_slist_free_full(cands, (GDestroyNotify)&nice_candidate_free); if (added > 0) ret++; } } done: if (sdp_lines) g_strfreev(sdp_lines); agent_unlock(); return ret; } NICEAPI_EXPORT GSList * nice_agent_parse_remote_stream_sdp (NiceAgent *agent, guint stream_id, const gchar *sdp, gchar **ufrag, gchar **pwd) { Stream *stream = NULL; gchar **sdp_lines = NULL; GSList *candidates = NULL; gint i; agent_lock(); stream = agent_find_stream (agent, stream_id); if (stream == NULL) { goto done; } sdp_lines = g_strsplit (sdp, "\n", 0); for (i = 0; sdp_lines && sdp_lines[i]; i++) { if (ufrag && g_str_has_prefix (sdp_lines[i], "a=ice-ufrag:")) { *ufrag = g_strdup (sdp_lines[i] + 12); } else if (pwd && g_str_has_prefix (sdp_lines[i], "a=ice-pwd:")) { *pwd = g_strdup (sdp_lines[i] + 10); } else if (g_str_has_prefix (sdp_lines[i], "a=candidate:")) { NiceCandidate *candidate = NULL; candidate = nice_agent_parse_remote_candidate_sdp (agent, stream->id, sdp_lines[i]); if (candidate == NULL) { g_slist_free_full(candidates, (GDestroyNotify)&nice_candidate_free); candidates = NULL; break; } candidates = g_slist_prepend (candidates, candidate); } } done: if (sdp_lines) g_strfreev(sdp_lines); agent_unlock(); return candidates; } NICEAPI_EXPORT NiceCandidate * nice_agent_parse_remote_candidate_sdp (NiceAgent *agent, guint stream_id, const gchar *sdp) { NiceCandidate *candidate = NULL; int ntype = -1; gchar **tokens = NULL; const gchar *foundation = NULL; guint component_id; const gchar *transport = NULL; guint32 priority; const gchar *addr = NULL; guint16 port; const gchar *type = NULL; const gchar *raddr = NULL; guint16 rport; static const gchar *type_names[] = {"host", "srflx", "prflx", "relay"}; guint i; if (!g_str_has_prefix (sdp, "a=candidate:")) goto done; tokens = g_strsplit (sdp + 12, " ", 0); for (i = 0; tokens && tokens[i]; i++) { switch (i) { case 0: foundation = tokens[i]; break; case 1: component_id = (guint) g_ascii_strtoull (tokens[i], NULL, 10); break; case 2: transport = tokens[i]; break; case 3: priority = (guint32) g_ascii_strtoull (tokens[i], NULL, 10); break; case 4: addr = tokens[i]; break; case 5: port = (guint16) g_ascii_strtoull (tokens[i], NULL, 10); break; default: if (tokens[i + 1] == NULL) goto done; if (g_strcmp0 (tokens[i], "typ") == 0) { type = tokens[i + 1]; } else if (g_strcmp0 (tokens[i], "raddr") == 0) { raddr = tokens[i + 1]; } else if (g_strcmp0 (tokens[i], "rport") == 0) { rport = (guint16) g_ascii_strtoull (tokens[i + 1], NULL, 10); } i++; break; } } if (type == NULL) goto done; ntype = -1; for (i = 0; i < G_N_ELEMENTS (type_names); i++) { if (g_strcmp0 (type, type_names[i]) == 0) { ntype = i; break; } } if (ntype == -1) goto done; if (g_strcmp0 (transport, "UDP") == 0) { candidate = nice_candidate_new(ntype); candidate->component_id = component_id; candidate->stream_id = stream_id; candidate->transport = NICE_CANDIDATE_TRANSPORT_UDP; g_strlcpy(candidate->foundation, foundation, NICE_CANDIDATE_MAX_FOUNDATION); candidate->priority = priority; if (!nice_address_set_from_string (&candidate->addr, addr)) { nice_candidate_free (candidate); candidate = NULL; goto done; } nice_address_set_port (&candidate->addr, port); if (raddr && rport) { if (!nice_address_set_from_string (&candidate->base_addr, raddr)) { nice_candidate_free (candidate); candidate = NULL; goto done; } nice_address_set_port (&candidate->base_addr, rport); } } done: if (tokens) g_strfreev(tokens); return candidate; } libnice-0.1.4/agent/conncheck.h0000664000175000017500000000737412024152577013266 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2006-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2006-2009 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Dafydd Harries, Collabora Ltd. * Youness Alaoui, Collabora Ltd. * Kai Vehmanen, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef _NICE_CONNCHECK_H #define _NICE_CONNCHECK_H /* note: this is a private header to libnice */ #include "agent.h" #include "stream.h" #include "stun/stunagent.h" #include "stun/usages/timer.h" #define NICE_CANDIDATE_PAIR_MAX_FOUNDATION NICE_CANDIDATE_MAX_FOUNDATION*2 typedef enum { NICE_CHECK_WAITING = 1, /**< waiting to be scheduled */ NICE_CHECK_IN_PROGRESS, /**< conn. checks started */ NICE_CHECK_SUCCEEDED, /**< conn. succesfully checked */ NICE_CHECK_FAILED, /**< no connectivity, retransmissions ceased */ NICE_CHECK_FROZEN, /**< waiting to be scheduled to WAITING */ NICE_CHECK_CANCELLED, /**< check cancelled */ NICE_CHECK_DISCOVERED /**< a valid candidate pair not on check list */ } NiceCheckState; typedef struct _CandidateCheckPair CandidateCheckPair; struct _CandidateCheckPair { NiceAgent *agent; /* back pointer to owner */ guint stream_id; guint component_id; NiceCandidate *local; NiceCandidate *remote; gchar foundation[NICE_CANDIDATE_PAIR_MAX_FOUNDATION]; NiceCheckState state; gboolean nominated; gboolean controlling; gboolean timer_restarted; guint64 priority; GTimeVal next_tick; /* next tick timestamp */ StunTimer timer; uint8_t stun_buffer[STUN_MAX_MESSAGE_SIZE]; StunMessage stun_message; }; int conn_check_add_for_candidate (NiceAgent *agent, guint stream_id, Component *component, NiceCandidate *remote); int conn_check_add_for_local_candidate (NiceAgent *agent, guint stream_id, Component *component, NiceCandidate *local); void conn_check_free_item (gpointer data, gpointer user_data); void conn_check_free (NiceAgent *agent); gboolean conn_check_schedule_next (NiceAgent *agent); int conn_check_send (NiceAgent *agent, CandidateCheckPair *pair); gboolean conn_check_prune_stream (NiceAgent *agent, Stream *stream); gboolean conn_check_handle_inbound_stun (NiceAgent *agent, Stream *stream, Component *component, NiceSocket *udp_socket, const NiceAddress *from, gchar *buf, guint len); gint conn_check_compare (const CandidateCheckPair *a, const CandidateCheckPair *b); void conn_check_remote_candidates_set(NiceAgent *agent); #endif /*_NICE_CONNCHECK_H */ libnice-0.1.4/NEWS0000664000175000017500000001526012112006423010536 00000000000000libnice 0.1.4 (2013-02-22) ========================== Fix issue with dribble mode Fix issue with TURN permissions Fix missing win32 directory from release archive Fix support for OC2007 Added new nice_address_ip_vesion API Added new nice_agent_get_selected_pair API Added new SDP parsing and generation API Added simple examples (simple, threaded and sdp usages examples) libnice 0.1.3 (2012-09-13) ========================== Dribble mode: You can set remote candidates while gathering the local ones Add support for GStreamer 1.0, will compile plugins for both 1.0 and 0.10 by default Cache GSocketAddress in UdpBsdSocket, creating it is very slow libnice 0.1.2 (2012-04-03) ========================== Fix a bug where a controlled agent may never go to READY if it received early conncheck Restart connchecks on a failed candidate pair when receiving a triggered check Fix a bug where gathering-done signal could be sent before UPnP mapping finishes Fix a race condition where setting remote-candidates on a gathered stream failed if another stream was gathering Many fixes to complete and stabilize TURN support Fix a bug in proxy support where TURN packets were misread Refactor libnice to use GSocket which works around a glib limitation of g_io_channel on windows Fix a bug with receiving error messages during conncheck Fix a possible infinite loop bug Fix memory leaks and multi-threaded race conditions Better compatibility for BSD and Mingw Added support files for Visual Studio compilation Various fixes to UPnP support Fixes to the build system libnice 0.1.1 (2011-09-07) ========================== Fixed BSD and Solaris compatibility Fixed PPC64 symbol test Removed a few possible leak/bugs Fixed compatibility with google's recent protocol change libnice 0.1.0 (2011-01-20) ========================== Added nice_candidate_copy to the public API Make stun_timer timeouts configurable (Break API and ABI) Add compatibility support for MSOC 2007 and MSOC 2007 R2 Add MS-TURN support for MSOC Added and completed TURN RFC 5766 support Add a nice_agent_set_port_range API to force a component to use a specific port Fix various bugs and memory leaks Improve documentation libnice 0.0.13 (2010-07-20) ========================== Add support for IPv6 Fix crc32 function conflict with libz.so Various bug fixing and code cleaning Validate the remote candidate address before adding it libnice 0.0.12 (2010-05-19) ========================== Update compatibility to RFC5245 Fix a memory corruption bug Fix a possible buffer overflow with socks5 proxies libnice 0.0.11 (2010-03-18) =========================== Handle EAGAIN for UDP sockets Fix coverity warnings Fix a bug with TURN and Channel Bindings Add a reliable transport mode using libjingle's PseudoTcp implementation Various fixes libnice 0.0.10 (2009-11-04) =========================== Fix some memory leaks with the gstreamer elements Fix username/foundation for google TURN candidates Fix the sending of hundreds of connectivity checks at once the stream is connected Fix BSD support Fix reprocessing of already processed early incoming checks when in dribble-mode Fix a rare crash with failing relay candidates allocations Add a stun_agent_set_software API Add a nice_agent_set_software API libnice 0.0.9 (2009-07-31) =========================== Fix some more issues with peer-reflexive candidates in google mode (for early incoming checks) Fix SHA1 algorithm when strict aliasing is used Fix google mode connectivity with discovered remote peer reflexive candidates Fix google/msn mode by not limiting the conncheck list Fix the interfaces discovery by using getifaddrs Fix compilation on Mac OS X Add ToS support to the sockets libnice 0.0.8 (2009-06-19) =========================== Remove deprecated g_strcasecmp call Use addr instead of base_addr on assigning remote peer-reflexive candidates (fixes crash) Use a global mutex and g_source_is_destroyed to avoid race conditions (fixes crashes) Unlock the mutex before calling the recv callback libnice 0.0.7 (2009-06-11) =========================== Added UPnP Support Fix a race condition when destroying the nice agent Stun headers are now installed Unset timer's source if they return FALSE Fix interoperability with gtalk2voip.com Avoid a race condition where a candidate has the wrong user/pass Add support for delayed setting of the remote candidates in google mode Better connectivity support and race condition fixes Keepalive connchecks do not change the state if they fail but data was still received Fix foundation generation for remote peer reflexive candidates Drop packets when using TCP and the bandwidth is too slow for the data output libnice 0.0.6 (2009-03-31) =========================== Fix connectivity checks for detecting when we loose the connection Fix a race condition with gtalk that made the call silent after 30 seconds Robustness checks with regards to relay information Fix a race condition crash with retransmission ticks Added a new STUN API : stun_agent_forget_transaction Fix a possible crash if tcp-turn is shutdown early in the process Fix a crash when a stream is removed Fix MSN support by disable keepalive connchecks libnice 0.0.5 (2009-03-04) =========================== Name change from nice to libnice Added support for HTTP proxies Added a nice_interfaces API to query the local interfaces/ips Fixed libnice when used in dribble mode Fix a data corruption issue with the SHA1 algorithm Endianness gets checked at runtime so libnice should compile and work everywhere Add compatiblity for WLM2009 ICE Export libstun API and add documentation for libstun Add connectivity checks during the connection to detect when the peer gets disconnected Bug fixes and code cleaning nice 0.0.4 (2008-12-17) ======================== Fix compilation for 64bits systems Revert the use of netbuffer in the gstreamer elements Added support for pseudossl-tcp TURN relay for Google Added support for SOCKS5 proxy servers for TCP relaying Bug fixes and code cleaning nice 0.0.3 (2008-11-25) ======================== Stable google talk support Added TCP TURN relay support for google. Removed openssl dependency. nice 0.0.2 (2008-11-12) ======================== Better support for google talk compatibility mode as well as UDP TURN relay compatibility for Google. Removed -Werror compile flag for releases nice 0.0.1 (2008-11-05) ======================== Initial release of libnice. It has compatibility support for the latest ICE draft 19, as well as google talk and MSN compatibility. It also has support for TURN relays using TURN draft 9 if you're in ICE draft 19 compatibility, or specific Google/MSN relay support if you're in Google/MSN compatibility mode. The library is multiplatform and should compile fine on Linux, Mac and Windows systems. libnice-0.1.4/gst/0000775000175000017500000000000012112010566010713 500000000000000libnice-0.1.4/gst/gstnice.h0000644000175000017500000000313411241364464012452 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2006, 2007 Collabora Ltd. * Contact: Dafydd Harries * (C) 2006, 2007 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Dafydd Harries, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #include "gstnicesrc.h" #include "gstnicesink.h" libnice-0.1.4/gst/gstnicesink.h0000644000175000017500000000473011241364464013342 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2006, 2007 Collabora Ltd. * Contact: Dafydd Harries * (C) 2006, 2007 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Dafydd Harries, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef _GST_NICE_SINK_H #define _GST_NICE_SINK_H #include #include #include G_BEGIN_DECLS #define GST_TYPE_NICE_SINK \ (gst_nice_sink_get_type()) #define GST_NICE_SINK(obj) \ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_NICE_SINK,GstNiceSink)) #define GST_NICE_SINK_CLASS(klass) \ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_NICE_SINK,GstNiceSinkClass)) #define GST_IS_NICE_SINK(obj) \ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_NICE_SINK)) #define GST_IS_NICE_SINK_CLASS(klass) \ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_NICE_SINK)) typedef struct _GstNiceSink GstNiceSink; struct _GstNiceSink { GstBaseSink parent; GstPad *sinkpad; NiceAgent *agent; guint stream_id; guint component_id; }; typedef struct _GstNiceSinkClass GstNiceSinkClass; struct _GstNiceSinkClass { GstBaseSinkClass parent_class; }; GType gst_nice_sink_get_type (void); G_END_DECLS #endif libnice-0.1.4/gst/Makefile.in0000664000175000017500000007455412112006557012724 00000000000000# Makefile.in generated by automake 1.11.6 from Makefile.am. # @configure_input@ # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, # 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software # Foundation, Inc. # This Makefile.in is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; without # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. @SET_MAKE@ # # Makefile.am for the Nice Glib ICE library # # (C) 2006, 2007 Collabora Ltd. # (C) 2006, 2007 Nokia Corporation. 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All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Dafydd Harries, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include "gstnicesrc.h" GST_DEBUG_CATEGORY_STATIC (nicesrc_debug); #define GST_CAT_DEFAULT nicesrc_debug #define BUFFER_SIZE (65536) static GstFlowReturn gst_nice_src_create ( GstPushSrc *basesrc, GstBuffer **buffer); static gboolean gst_nice_src_unlock ( GstBaseSrc *basesrc); static gboolean gst_nice_src_unlock_stop ( GstBaseSrc *basesrc); static void gst_nice_src_set_property ( GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec); static void gst_nice_src_get_property ( GObject *object, guint prop_id, GValue *value, GParamSpec *pspec); static void gst_nice_src_dispose (GObject *object); static GstStateChangeReturn gst_nice_src_change_state ( GstElement * element, GstStateChange transition); static GstStaticPadTemplate gst_nice_src_src_template = GST_STATIC_PAD_TEMPLATE ( "src", GST_PAD_SRC, GST_PAD_ALWAYS, GST_STATIC_CAPS_ANY); G_DEFINE_TYPE (GstNiceSrc, gst_nice_src, GST_TYPE_PUSH_SRC); enum { PROP_AGENT = 1, PROP_STREAM, PROP_COMPONENT }; static void gst_nice_src_class_init (GstNiceSrcClass *klass) { GstPushSrcClass *gstpushsrc_class; GstBaseSrcClass *gstbasesrc_class; GstElementClass *gstelement_class; GObjectClass *gobject_class; GST_DEBUG_CATEGORY_INIT (nicesrc_debug, "nicesrc", 0, "libnice source"); gstpushsrc_class = (GstPushSrcClass *) klass; gstpushsrc_class->create = GST_DEBUG_FUNCPTR (gst_nice_src_create); gstbasesrc_class = (GstBaseSrcClass *) klass; gstbasesrc_class->unlock = GST_DEBUG_FUNCPTR (gst_nice_src_unlock); gstbasesrc_class->unlock_stop = GST_DEBUG_FUNCPTR (gst_nice_src_unlock_stop); gobject_class = (GObjectClass *) klass; gobject_class->set_property = gst_nice_src_set_property; gobject_class->get_property = gst_nice_src_get_property; gobject_class->dispose = gst_nice_src_dispose; gstelement_class = (GstElementClass *) klass; gstelement_class->change_state = gst_nice_src_change_state; gst_element_class_add_pad_template (gstelement_class, gst_static_pad_template_get (&gst_nice_src_src_template)); #if GST_CHECK_VERSION (1,0,0) gst_element_class_set_metadata (gstelement_class, #else gst_element_class_set_details_simple (gstelement_class, #endif "ICE source", "Source", "Interactive UDP connectivity establishment", "Dafydd Harries "); g_object_class_install_property (gobject_class, PROP_AGENT, g_param_spec_object ( "agent", "Agent", "The NiceAgent this source is bound to", NICE_TYPE_AGENT, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_STREAM, g_param_spec_uint ( "stream", "Stream ID", "The ID of the stream to read from", 0, G_MAXUINT, 0, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_COMPONENT, g_param_spec_uint ( "component", "Component ID", "The ID of the component to read from", 0, G_MAXUINT, 0, G_PARAM_READWRITE)); } static void gst_nice_src_init (GstNiceSrc *src) { gst_base_src_set_live (GST_BASE_SRC (src), TRUE); gst_base_src_set_format (GST_BASE_SRC (src), GST_FORMAT_TIME); gst_base_src_set_do_timestamp (GST_BASE_SRC (src), TRUE); src->agent = NULL; src->stream_id = 0; src->component_id = 0; src->mainctx = g_main_context_new (); src->mainloop = g_main_loop_new (src->mainctx, FALSE); src->unlocked = FALSE; src->idle_source = NULL; src->outbufs = g_queue_new (); } static void gst_nice_src_read_callback (NiceAgent *agent, guint stream_id, guint component_id, guint len, gchar *buf, gpointer data) { GstBaseSrc *basesrc = GST_BASE_SRC (data); GstNiceSrc *nicesrc = GST_NICE_SRC (basesrc); GstBuffer *buffer = NULL; GST_LOG_OBJECT (agent, "Got buffer, getting out of the main loop"); #if GST_CHECK_VERSION (1,0,0) buffer = gst_buffer_new_allocate (NULL, len, NULL); gst_buffer_fill (buffer, 0, buf, len); #else buffer = gst_buffer_new_and_alloc (len); memcpy (GST_BUFFER_DATA (buffer), buf, len); #endif g_queue_push_tail (nicesrc->outbufs, buffer); g_main_loop_quit (nicesrc->mainloop); } static gboolean gst_nice_src_unlock_idler (gpointer data) { GstNiceSrc *nicesrc = GST_NICE_SRC (data); GST_OBJECT_LOCK (nicesrc); if (nicesrc->unlocked) g_main_loop_quit (nicesrc->mainloop); if (nicesrc->idle_source) { g_source_destroy (nicesrc->idle_source); g_source_unref (nicesrc->idle_source); nicesrc->idle_source = NULL; } GST_OBJECT_UNLOCK (nicesrc); return FALSE; } static gboolean gst_nice_src_unlock (GstBaseSrc *src) { GstNiceSrc *nicesrc = GST_NICE_SRC (src); GST_OBJECT_LOCK (src); nicesrc->unlocked = TRUE; g_main_loop_quit (nicesrc->mainloop); if (!nicesrc->idle_source) { nicesrc->idle_source = g_idle_source_new (); g_source_set_priority (nicesrc->idle_source, G_PRIORITY_HIGH); g_source_set_callback (nicesrc->idle_source, gst_nice_src_unlock_idler, src, NULL); g_source_attach (nicesrc->idle_source, g_main_loop_get_context (nicesrc->mainloop)); } GST_OBJECT_UNLOCK (src); return TRUE; } static gboolean gst_nice_src_unlock_stop (GstBaseSrc *src) { GstNiceSrc *nicesrc = GST_NICE_SRC (src); GST_OBJECT_LOCK (src); nicesrc->unlocked = FALSE; if (nicesrc->idle_source) { g_source_destroy (nicesrc->idle_source); g_source_unref(nicesrc->idle_source); } nicesrc->idle_source = NULL; GST_OBJECT_UNLOCK (src); return TRUE; } static GstFlowReturn gst_nice_src_create ( GstPushSrc *basesrc, GstBuffer **buffer) { GstNiceSrc *nicesrc = GST_NICE_SRC (basesrc); GST_LOG_OBJECT (nicesrc, "create called"); GST_OBJECT_LOCK (basesrc); if (nicesrc->unlocked) { GST_OBJECT_UNLOCK (basesrc); #if GST_CHECK_VERSION (1,0,0) return GST_FLOW_FLUSHING; #else return GST_FLOW_WRONG_STATE; #endif } GST_OBJECT_UNLOCK (basesrc); if (g_queue_is_empty (nicesrc->outbufs)) g_main_loop_run (nicesrc->mainloop); *buffer = g_queue_pop_head (nicesrc->outbufs); if (*buffer != NULL) { GST_LOG_OBJECT (nicesrc, "Got buffer, pushing"); return GST_FLOW_OK; } else { GST_LOG_OBJECT (nicesrc, "Got interrupting, returning wrong-state"); #if GST_CHECK_VERSION (1,0,0) return GST_FLOW_FLUSHING; #else return GST_FLOW_WRONG_STATE; #endif } } static void gst_nice_src_dispose (GObject *object) { GstNiceSrc *src = GST_NICE_SRC (object); if (src->agent) g_object_unref (src->agent); src->agent = NULL; if (src->mainloop) g_main_loop_unref (src->mainloop); src->mainloop = NULL; if (src->mainctx) g_main_context_unref (src->mainctx); src->mainctx = NULL; if (src->outbufs) g_queue_free (src->outbufs); src->outbufs = NULL; G_OBJECT_CLASS (gst_nice_src_parent_class)->dispose (object); } static void gst_nice_src_set_property ( GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { GstNiceSrc *src = GST_NICE_SRC (object); switch (prop_id) { case PROP_AGENT: if (src->agent) GST_ERROR_OBJECT (object, "Changing the agent on a nice src not allowed"); else src->agent = g_value_dup_object (value); break; case PROP_STREAM: src->stream_id = g_value_get_uint (value); break; case PROP_COMPONENT: src->component_id = g_value_get_uint (value); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gst_nice_src_get_property ( GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { GstNiceSrc *src = GST_NICE_SRC (object); switch (prop_id) { case PROP_AGENT: g_value_set_object (value, src->agent); break; case PROP_STREAM: g_value_set_uint (value, src->stream_id); break; case PROP_COMPONENT: g_value_set_uint (value, src->component_id); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static GstStateChangeReturn gst_nice_src_change_state (GstElement * element, GstStateChange transition) { GstNiceSrc *src; GstStateChangeReturn ret; src = GST_NICE_SRC (element); switch (transition) { case GST_STATE_CHANGE_NULL_TO_READY: if (src->agent == NULL || src->stream_id == 0 || src->component_id == 0) { GST_ERROR_OBJECT (element, "Trying to start Nice source without an agent set"); return GST_STATE_CHANGE_FAILURE; } else { nice_agent_attach_recv (src->agent, src->stream_id, src->component_id, src->mainctx, gst_nice_src_read_callback, (gpointer) src); } break; case GST_STATE_CHANGE_READY_TO_NULL: nice_agent_attach_recv (src->agent, src->stream_id, src->component_id, src->mainctx, NULL, NULL); break; default: break; } ret = GST_ELEMENT_CLASS (gst_nice_src_parent_class)->change_state (element, transition); return ret; } libnice-0.1.4/gst/gstnicesrc.h0000664000175000017500000000507512024703352013163 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2006, 2007 Collabora Ltd. * Contact: Dafydd Harries * (C) 2006, 2007 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Dafydd Harries, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef _GSTNICESRC_H #define _GSTNICESRC_H #include #include #include G_BEGIN_DECLS #define GST_TYPE_NICE_SRC \ (gst_nice_src_get_type()) #define GST_NICE_SRC(obj) \ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_NICE_SRC,GstNiceSrc)) #define GST_NICE_SRC_CLASS(klass) \ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_NICE_SRC,GstNiceSrcClass)) #define GST_IS_NICE_SRC(obj) \ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_NICE_SRC)) #define GST_IS_NICE_SRC_CLASS(klass) \ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_NICE_SRC)) typedef struct _GstNiceSrc GstNiceSrc; struct _GstNiceSrc { GstPushSrc parent; GstPad *srcpad; NiceAgent *agent; guint stream_id; guint component_id; GMainContext *mainctx; GMainLoop *mainloop; GQueue *outbufs; gboolean unlocked; GSource *idle_source; }; typedef struct _GstNiceSrcClass GstNiceSrcClass; struct _GstNiceSrcClass { GstPushSrcClass parent_class; }; GType gst_nice_src_get_type (void); G_END_DECLS #endif // _GSTNICESRC_H libnice-0.1.4/gst/Makefile.am0000664000175000017500000000215212024703352012673 00000000000000# # Makefile.am for the Nice Glib ICE library # # (C) 2006, 2007 Collabora Ltd. # (C) 2006, 2007 Nokia Corporation. All rights reserved. # # Licensed under MPL 1.1/LGPL 2.1. See file COPYING. AM_CFLAGS = $(LIBNICE_CFLAGS) \ -I $(top_srcdir) \ -I $(top_srcdir)/socket \ -I $(top_srcdir)/agent \ -I $(top_srcdir)/random \ -I $(top_srcdir)/stun COMMON_LIBADD = \ $(top_builddir)/nice/libnice.la # libgstnice if WITH_GSTREAMER gstplugin_LTLIBRARIES = libgstnice.la libgstnice_la_CFLAGS = $(AM_CFLAGS) $(GST_CFLAGS) -DGST_USE_UNSTABLE_API libgstnice_la_SOURCES = \ gstnicesrc.h \ gstnicesrc.c \ gstnicesink.h \ gstnicesink.c \ gstnice.h \ gstnice.c libgstnice_la_LIBADD = $(COMMON_LIBADD) $(GST_LIBS) libgstnice_la_LDFLAGS = -module -avoid-version endif if WITH_GSTREAMER010 gstplugin010_LTLIBRARIES = libgstnice010.la libgstnice010_la_CFLAGS = $(AM_CFLAGS) $(GST010_CFLAGS) libgstnice010_la_SOURCES = \ gstnicesrc.h \ gstnicesrc.c \ gstnicesink.h \ gstnicesink.c \ gstnice.h \ gstnice.c libgstnice010_la_LIBADD = $(COMMON_LIBADD) $(GST010_LIBS) libgstnice010_la_LDFLAGS = -module -avoid-version endif libnice-0.1.4/gst/gstnice.c0000664000175000017500000000436412024703352012446 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2006, 2007 Collabora Ltd. * Contact: Dafydd Harries * (C) 2006, 2007 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Dafydd Harries, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include "gstnicesrc.h" #include "gstnicesink.h" static gboolean plugin_init (GstPlugin *plugin) { if (!gst_element_register (plugin, "nicesrc", GST_RANK_NONE, GST_TYPE_NICE_SRC)) return FALSE; if (!gst_element_register (plugin, "nicesink", GST_RANK_NONE, GST_TYPE_NICE_SINK)) return FALSE; return TRUE; } #if GST_CHECK_VERSION (1,0,0) #define PLUGIN_NAME nice #else #define PLUGIN_NAME "nice" #endif GST_PLUGIN_DEFINE ( GST_VERSION_MAJOR, GST_VERSION_MINOR, PLUGIN_NAME, "Interactive UDP connectivity establishment", plugin_init, VERSION, "LGPL", PACKAGE_NAME, "http://telepathy.freedesktop.org/wiki/"); libnice-0.1.4/gst/gstnicesink.c0000664000175000017500000001573512024703352013337 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2006, 2007 Collabora Ltd. * Contact: Dafydd Harries * (C) 2006, 2007 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Dafydd Harries, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include "gstnicesink.h" GST_DEBUG_CATEGORY_STATIC (nicesink_debug); #define GST_CAT_DEFAULT nicesink_debug static GstFlowReturn gst_nice_sink_render ( GstBaseSink *basesink, GstBuffer *buffer); static void gst_nice_sink_set_property ( GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec); static void gst_nice_sink_get_property ( GObject *object, guint prop_id, GValue *value, GParamSpec *pspec); static void gst_nice_sink_dispose (GObject *object); static GstStateChangeReturn gst_nice_sink_change_state ( GstElement * element, GstStateChange transition); static GstStaticPadTemplate gst_nice_sink_sink_template = GST_STATIC_PAD_TEMPLATE ( "sink", GST_PAD_SINK, GST_PAD_ALWAYS, GST_STATIC_CAPS_ANY); G_DEFINE_TYPE (GstNiceSink, gst_nice_sink, GST_TYPE_BASE_SINK); enum { PROP_AGENT = 1, PROP_STREAM, PROP_COMPONENT }; static void gst_nice_sink_class_init (GstNiceSinkClass *klass) { GstBaseSinkClass *gstbasesink_class; GstElementClass *gstelement_class; GObjectClass *gobject_class; GST_DEBUG_CATEGORY_INIT (nicesink_debug, "nicesink", 0, "libnice sink"); gstbasesink_class = (GstBaseSinkClass *) klass; gstbasesink_class->render = GST_DEBUG_FUNCPTR (gst_nice_sink_render); gobject_class = (GObjectClass *) klass; gobject_class->set_property = gst_nice_sink_set_property; gobject_class->get_property = gst_nice_sink_get_property; gobject_class->dispose = gst_nice_sink_dispose; gstelement_class = (GstElementClass *) klass; gstelement_class->change_state = gst_nice_sink_change_state; gst_element_class_add_pad_template (gstelement_class, gst_static_pad_template_get (&gst_nice_sink_sink_template)); #if GST_CHECK_VERSION (1,0,0) gst_element_class_set_metadata (gstelement_class, #else gst_element_class_set_details_simple (gstelement_class, #endif "ICE sink", "Sink", "Interactive UDP connectivity establishment", "Dafydd Harries "); g_object_class_install_property (gobject_class, PROP_AGENT, g_param_spec_object ( "agent", "Agent", "The NiceAgent this source is bound to", NICE_TYPE_AGENT, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_STREAM, g_param_spec_uint ( "stream", "Stream ID", "The ID of the stream to read from", 0, G_MAXUINT, 0, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_COMPONENT, g_param_spec_uint ( "component", "Component ID", "The ID of the component to read from", 0, G_MAXUINT, 0, G_PARAM_READWRITE)); } static void gst_nice_sink_init (GstNiceSink *sink) { } static GstFlowReturn gst_nice_sink_render (GstBaseSink *basesink, GstBuffer *buffer) { GstNiceSink *nicesink = GST_NICE_SINK (basesink); #if GST_CHECK_VERSION (1,0,0) GstMapInfo info; gst_buffer_map (buffer, &info, GST_MAP_READ); nice_agent_send (nicesink->agent, nicesink->stream_id, nicesink->component_id, info.size, (gchar *) info.data); gst_buffer_unmap (buffer, &info); #else nice_agent_send (nicesink->agent, nicesink->stream_id, nicesink->component_id, GST_BUFFER_SIZE (buffer), (gchar *) GST_BUFFER_DATA (buffer)); #endif return GST_FLOW_OK; } static void gst_nice_sink_dispose (GObject *object) { GstNiceSink *sink = GST_NICE_SINK (object); if (sink->agent) g_object_unref (sink->agent); sink->agent = NULL; G_OBJECT_CLASS (gst_nice_sink_parent_class)->dispose (object); } static void gst_nice_sink_set_property ( GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { GstNiceSink *sink = GST_NICE_SINK (object); switch (prop_id) { case PROP_AGENT: if (sink->agent) GST_ERROR_OBJECT (object, "Changing the agent on a nice sink not allowed"); else sink->agent = g_value_dup_object (value); break; case PROP_STREAM: sink->stream_id = g_value_get_uint (value); break; case PROP_COMPONENT: sink->component_id = g_value_get_uint (value); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gst_nice_sink_get_property ( GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { GstNiceSink *sink = GST_NICE_SINK (object); switch (prop_id) { case PROP_AGENT: g_value_set_object (value, sink->agent); break; case PROP_STREAM: g_value_set_uint (value, sink->stream_id); break; case PROP_COMPONENT: g_value_set_uint (value, sink->component_id); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static GstStateChangeReturn gst_nice_sink_change_state (GstElement * element, GstStateChange transition) { GstNiceSink *sink; GstStateChangeReturn ret; sink = GST_NICE_SINK (element); switch (transition) { case GST_STATE_CHANGE_NULL_TO_READY: if (sink->agent == NULL) { GST_ERROR_OBJECT (element, "Trying to start Nice sink without an agent set"); return GST_STATE_CHANGE_FAILURE; } break; default: break; } ret = GST_ELEMENT_CLASS (gst_nice_sink_parent_class)->change_state (element, transition); return ret; } libnice-0.1.4/tests/0000775000175000017500000000000012112010567011261 500000000000000libnice-0.1.4/tests/test-restart.c0000664000175000017500000004170011727420354014022 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2007 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Kai Vehmanen, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include #endif #include "agent.h" #include "agent-priv.h" /* for testing purposes */ #include #include #ifdef _WIN32 #include #endif static NiceComponentState global_lagent_state = NICE_COMPONENT_STATE_LAST; static NiceComponentState global_ragent_state = NICE_COMPONENT_STATE_LAST; static guint global_components_ready = 0; static guint global_components_ready_exit = 0; static guint global_components_failed = 0; static guint global_components_failed_exit = 0; static GMainLoop *global_mainloop = NULL; static gboolean global_lagent_gathering_done = FALSE; static gboolean global_ragent_gathering_done = FALSE; static gboolean global_lagent_ibr_received = FALSE; static gboolean global_ragent_ibr_received = FALSE; static int global_lagent_cands = 0; static int global_ragent_cands = 0; static gint global_ragent_read = 0; static gint global_ragent_read_exit = 0; static void priv_print_global_status (void) { g_debug ("\tgathering_done=%d", global_lagent_gathering_done && global_ragent_gathering_done); g_debug ("\tlstate=%d", global_lagent_state); g_debug ("\trstate=%d", global_ragent_state); } static gboolean timer_cb (gpointer pointer) { g_debug ("test-restart:%s: %p", G_STRFUNC, pointer); /* signal status via a global variable */ /* note: should not be reached, abort */ g_debug ("ERROR: test has got stuck, aborting..."); exit (-1); } static void cb_nice_recv (NiceAgent *agent, guint stream_id, guint component_id, guint len, gchar *buf, gpointer user_data) { g_debug ("test-restart:%s: %p", G_STRFUNC, user_data); /* XXX: dear compiler, these are for you: */ (void)agent; (void)stream_id; (void)component_id; (void)buf; if ((intptr_t)user_data == 2) { global_ragent_read += len; if (global_ragent_read == global_ragent_read_exit) g_main_loop_quit (global_mainloop); } } static void cb_candidate_gathering_done(NiceAgent *agent, guint stream_id, gpointer data) { g_debug ("test-restart:%s: %p", G_STRFUNC, data); if ((intptr_t)data == 1) global_lagent_gathering_done = TRUE; else if ((intptr_t)data == 2) global_ragent_gathering_done = TRUE; if (global_lagent_gathering_done && global_ragent_gathering_done) g_main_loop_quit (global_mainloop); /* XXX: dear compiler, these are for you: */ (void)agent; } static void cb_component_state_changed (NiceAgent *agent, guint stream_id, guint component_id, guint state, gpointer data) { g_debug ("test-restart:%s: %p", G_STRFUNC, data); if ((intptr_t)data == 1) global_lagent_state = state; else if ((intptr_t)data == 2) global_ragent_state = state; if (state == NICE_COMPONENT_STATE_READY) global_components_ready++; if (state == NICE_COMPONENT_STATE_FAILED) global_components_failed++; g_debug ("test-restart: READY %u exit at %u.", global_components_ready, global_components_ready_exit); /* signal status via a global variable */ if (global_components_ready == global_components_ready_exit) { g_main_loop_quit (global_mainloop); return; } /* signal status via a global variable */ if (global_components_failed == global_components_failed_exit) { g_main_loop_quit (global_mainloop); return; } /* XXX: dear compiler, these are for you: */ (void)agent; (void)stream_id; (void)data; (void)component_id; } static void cb_new_selected_pair(NiceAgent *agent, guint stream_id, guint component_id, gchar *lfoundation, gchar* rfoundation, gpointer data) { g_debug ("test-restart:%s: %p", G_STRFUNC, data); if ((intptr_t)data == 1) ++global_lagent_cands; else if ((intptr_t)data == 2) ++global_ragent_cands; /* XXX: dear compiler, these are for you: */ (void)agent; (void)stream_id; (void)component_id; (void)lfoundation; (void)rfoundation; } static void cb_new_candidate(NiceAgent *agent, guint stream_id, guint component_id, gchar *foundation, gpointer data) { g_debug ("test-restart:%s: %p", G_STRFUNC, data); /* XXX: dear compiler, these are for you: */ (void)agent; (void)stream_id; (void)data; (void)component_id; (void)foundation; } static void cb_initial_binding_request_received(NiceAgent *agent, guint stream_id, gpointer data) { g_debug ("test-restart:%s: %p", G_STRFUNC, data); if ((intptr_t)data == 1) global_lagent_ibr_received = TRUE; else if ((intptr_t)data == 2) global_ragent_ibr_received = TRUE; /* XXX: dear compiler, these are for you: */ (void)agent; (void)stream_id; (void)data; } static void priv_get_local_addr (NiceAgent *agent, guint stream_id, guint component_id, NiceAddress *dstaddr) { GSList *cands, *i; cands = nice_agent_get_local_candidates(agent, stream_id, component_id); for (i = cands; i; i = i->next) { NiceCandidate *cand = i->data; if (cand) { g_assert (dstaddr); *dstaddr = cand->addr; } } for (i = cands; i; i = i->next) nice_candidate_free ((NiceCandidate *) i->data); g_slist_free (cands); } static int run_restart_test (NiceAgent *lagent, NiceAgent *ragent, NiceAddress *baseaddr) { NiceAddress laddr, raddr, laddr_rtcp, raddr_rtcp; NiceCandidate cdes; GSList *cands; guint ls_id, rs_id; guint64 tie_breaker; /* XXX: dear compiler, these are for you: */ (void)baseaddr; memset (&cdes, 0, sizeof(NiceCandidate)); cdes.priority = 10000; strcpy (cdes.foundation, "1"); cdes.type = NICE_CANDIDATE_TYPE_HOST; cdes.transport = NICE_CANDIDATE_TRANSPORT_UDP; /* step: initialize variables modified by the callbacks */ global_components_ready = 0; global_components_ready_exit = 4; global_components_failed = 0; global_components_failed_exit = 4; global_lagent_gathering_done = FALSE; global_ragent_gathering_done = FALSE; global_lagent_ibr_received = global_ragent_ibr_received = FALSE; global_lagent_cands = global_ragent_cands = 0; global_ragent_read_exit = -1; g_object_set (G_OBJECT (lagent), "controlling-mode", TRUE, NULL); g_object_set (G_OBJECT (ragent), "controlling-mode", FALSE, NULL); /* step: add one stream, with RTP+RTCP components, to each agent */ ls_id = nice_agent_add_stream (lagent, 2); rs_id = nice_agent_add_stream (ragent, 2); g_assert (ls_id > 0); g_assert (rs_id > 0); nice_agent_gather_candidates (lagent, ls_id); nice_agent_gather_candidates (ragent, rs_id); /* step: attach to mainloop (needed to register the fds) */ nice_agent_attach_recv (lagent, ls_id, NICE_COMPONENT_TYPE_RTP, g_main_loop_get_context (global_mainloop), cb_nice_recv, (gpointer)1); nice_agent_attach_recv (lagent, ls_id, NICE_COMPONENT_TYPE_RTCP, g_main_loop_get_context (global_mainloop), cb_nice_recv, (gpointer)1); nice_agent_attach_recv (ragent, rs_id, NICE_COMPONENT_TYPE_RTP, g_main_loop_get_context (global_mainloop), cb_nice_recv, (gpointer)2); nice_agent_attach_recv (ragent, rs_id, NICE_COMPONENT_TYPE_RTCP, g_main_loop_get_context (global_mainloop), cb_nice_recv, (gpointer)2); /* step: run mainloop until local candidates are ready * (see timer_cb() above) */ if (global_lagent_gathering_done != TRUE || global_ragent_gathering_done != TRUE) { g_debug ("test-restart: Added streams, running mainloop until 'candidate-gathering-done'..."); g_main_loop_run (global_mainloop); g_assert (global_lagent_gathering_done == TRUE); g_assert (global_ragent_gathering_done == TRUE); } /* step: find out the local candidates of each agent */ priv_get_local_addr (ragent, rs_id, NICE_COMPONENT_TYPE_RTP, &raddr); g_debug ("test-restart: local RTP port R %u", nice_address_get_port (&raddr)); priv_get_local_addr (lagent, ls_id, NICE_COMPONENT_TYPE_RTP, &laddr); g_debug ("test-restart: local RTP port L %u", nice_address_get_port (&laddr)); priv_get_local_addr (ragent, rs_id, NICE_COMPONENT_TYPE_RTCP, &raddr_rtcp); g_debug ("test-restart: local RTCP port R %u", nice_address_get_port (&raddr_rtcp)); priv_get_local_addr (lagent, ls_id, NICE_COMPONENT_TYPE_RTCP, &laddr_rtcp); g_debug ("test-restart: local RTCP port L %u", nice_address_get_port (&laddr_rtcp)); /* step: pass the remote candidates to agents */ cands = g_slist_append (NULL, &cdes); { gchar *ufrag = NULL, *password = NULL; nice_agent_get_local_credentials(lagent, ls_id, &ufrag, &password); nice_agent_set_remote_credentials (ragent, rs_id, ufrag, password); g_free (ufrag); g_free (password); nice_agent_get_local_credentials(ragent, rs_id, &ufrag, &password); nice_agent_set_remote_credentials (lagent, ls_id, ufrag, password); g_free (ufrag); g_free (password); } cdes.component_id = NICE_COMPONENT_TYPE_RTP; cdes.addr = raddr; nice_agent_set_remote_candidates (lagent, ls_id, NICE_COMPONENT_TYPE_RTP, cands); cdes.addr = laddr; nice_agent_set_remote_candidates (ragent, rs_id, NICE_COMPONENT_TYPE_RTP, cands); cdes.component_id = NICE_COMPONENT_TYPE_RTCP; cdes.addr = raddr_rtcp; nice_agent_set_remote_candidates (lagent, ls_id, NICE_COMPONENT_TYPE_RTCP, cands); cdes.addr = laddr_rtcp; nice_agent_set_remote_candidates (ragent, rs_id, NICE_COMPONENT_TYPE_RTCP, cands); g_debug ("test-restart: Set properties, next running mainloop until connectivity checks succeed..."); /* step: run the mainloop until connectivity checks succeed * (see timer_cb() above) */ g_main_loop_run (global_mainloop); /* note: verify that STUN binding requests were sent */ g_assert (global_lagent_ibr_received == TRUE); g_assert (global_ragent_ibr_received == TRUE); /* note: verify that correct number of local candidates were reported */ g_assert (global_lagent_cands == 2); g_assert (global_ragent_cands == 2); /* note: verify that agents are in correct state */ g_assert (global_lagent_state == NICE_COMPONENT_STATE_READY); g_assert (global_ragent_state == NICE_COMPONENT_STATE_READY); /* step: next send a packet (should work during restart) and * then request an ICE restart by resetting the remote * candidates for agent R */ g_debug ("-------------------------------------------\n" "test-restart: Requesting a RESTART..."); /* step: send a new test packet from L ot R */ global_ragent_read = 0; g_assert (nice_agent_send (lagent, ls_id, 1, 16, "1234567812345678") == 16); /* step: restart agents, exchange updated credentials */ tie_breaker = ragent->tie_breaker; nice_agent_restart (ragent); g_assert (tie_breaker != ragent->tie_breaker); nice_agent_restart (lagent); { gchar *ufrag = NULL, *password = NULL; nice_agent_get_local_credentials(lagent, ls_id, &ufrag, &password); nice_agent_set_remote_credentials (ragent, rs_id, ufrag, password); g_free (ufrag); g_free (password); nice_agent_get_local_credentials(ragent, rs_id, &ufrag, &password); nice_agent_set_remote_credentials (lagent, ls_id, ufrag, password); g_free (ufrag); g_free (password); } /* send another packet after restart */ g_assert (nice_agent_send (lagent, ls_id, 1, 16, "1234567812345678") == 16); /* step: reset state variables */ global_lagent_ibr_received = FALSE; global_ragent_ibr_received = FALSE; global_components_ready = 0; global_ragent_read_exit = 32; /* step: exchange remote candidates */ cdes.component_id = NICE_COMPONENT_TYPE_RTP; cdes.addr = raddr; nice_agent_set_remote_candidates (lagent, ls_id, NICE_COMPONENT_TYPE_RTP, cands); cdes.addr = laddr; nice_agent_set_remote_candidates (ragent, rs_id, NICE_COMPONENT_TYPE_RTP, cands); cdes.component_id = NICE_COMPONENT_TYPE_RTCP; cdes.addr = raddr_rtcp; nice_agent_set_remote_candidates (lagent, ls_id, NICE_COMPONENT_TYPE_RTCP, cands); cdes.addr = laddr_rtcp; nice_agent_set_remote_candidates (ragent, rs_id, NICE_COMPONENT_TYPE_RTCP, cands); g_main_loop_run (global_mainloop); /* note: verify that payload was succesfully received */ g_assert (global_ragent_read == 32); /* note: verify binding requests were resent after restart */ g_assert (global_lagent_ibr_received == TRUE); g_assert (global_ragent_ibr_received == TRUE); g_debug ("test-restart: Ran mainloop, removing streams..."); /* step: clean up resources and exit */ g_slist_free (cands); nice_agent_remove_stream (lagent, ls_id); nice_agent_remove_stream (ragent, rs_id); return 0; } int main (void) { NiceAgent *lagent, *ragent; /* agent's L and R */ NiceAddress baseaddr; int result; guint timer_id; const char *stun_server = NULL, *stun_server_port = NULL; #ifdef G_OS_WIN32 WSADATA w; WSAStartup(0x0202, &w); #endif g_type_init (); #if !GLIB_CHECK_VERSION(2,31,8) g_thread_init(NULL); #endif global_mainloop = g_main_loop_new (NULL, FALSE); /* Note: impl limits ... * - no multi-stream support * - no IPv6 support */ /* step: create the agents L and R */ lagent = nice_agent_new (g_main_loop_get_context (global_mainloop), NICE_COMPATIBILITY_RFC5245); ragent = nice_agent_new (g_main_loop_get_context (global_mainloop), NICE_COMPATIBILITY_RFC5245); /* step: add a timer to catch state changes triggered by signals */ timer_id = g_timeout_add (30000, timer_cb, NULL); /* step: specify which local interface to use */ if (!nice_address_set_from_string (&baseaddr, "127.0.0.1")) g_assert_not_reached (); nice_agent_add_local_address (lagent, &baseaddr); nice_agent_add_local_address (ragent, &baseaddr); g_signal_connect (G_OBJECT (lagent), "candidate-gathering-done", G_CALLBACK (cb_candidate_gathering_done), (gpointer)1); g_signal_connect (G_OBJECT (ragent), "candidate-gathering-done", G_CALLBACK (cb_candidate_gathering_done), (gpointer)2); g_signal_connect (G_OBJECT (lagent), "component-state-changed", G_CALLBACK (cb_component_state_changed), (gpointer)1); g_signal_connect (G_OBJECT (ragent), "component-state-changed", G_CALLBACK (cb_component_state_changed), (gpointer)2); g_signal_connect (G_OBJECT (lagent), "new-selected-pair", G_CALLBACK (cb_new_selected_pair), (gpointer)1); g_signal_connect (G_OBJECT (ragent), "new-selected-pair", G_CALLBACK (cb_new_selected_pair), (gpointer)2); g_signal_connect (G_OBJECT (lagent), "new-candidate", G_CALLBACK (cb_new_candidate), (gpointer)1); g_signal_connect (G_OBJECT (ragent), "new-candidate", G_CALLBACK (cb_new_candidate), (gpointer)2); g_signal_connect (G_OBJECT (lagent), "initial-binding-request-received", G_CALLBACK (cb_initial_binding_request_received), (gpointer)1); g_signal_connect (G_OBJECT (ragent), "initial-binding-request-received", G_CALLBACK (cb_initial_binding_request_received), (gpointer)2); stun_server = getenv ("NICE_STUN_SERVER"); stun_server_port = getenv ("NICE_STUN_SERVER_PORT"); if (stun_server) { g_object_set (G_OBJECT (lagent), "stun-server", stun_server, NULL); g_object_set (G_OBJECT (lagent), "stun-server-port", atoi (stun_server_port), NULL); g_object_set (G_OBJECT (ragent), "stun-server", stun_server, NULL); g_object_set (G_OBJECT (ragent), "stun-server-port", atoi (stun_server_port), NULL); } /* step: run test the first time */ g_debug ("test-restart: TEST STARTS / restart test"); result = run_restart_test (lagent, ragent, &baseaddr); priv_print_global_status (); g_assert (result == 0); g_assert (global_lagent_state == NICE_COMPONENT_STATE_READY); g_assert (global_ragent_state == NICE_COMPONENT_STATE_READY); g_object_unref (lagent); g_object_unref (ragent); g_main_loop_unref (global_mainloop); global_mainloop = NULL; g_source_remove (timer_id); #ifdef G_OS_WIN32 WSACleanup(); #endif return result; } libnice-0.1.4/tests/test-mainloop.c0000664000175000017500000000627111705126452014156 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2006, 2007 Collabora Ltd. * Contact: Dafydd Harries * (C) 2006, 2007 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Dafydd Harries, Collabora Ltd. * Kai Vehmanen, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include #endif #include #include #include "socket/socket.h" static GMainLoop *loop = NULL; static void recv_cb ( NiceAgent *agent, guint stream_id, guint component_id, guint len, gchar *buf, gpointer data) { g_assert (agent != NULL); g_assert (stream_id == 1); g_assert (component_id == 1); g_assert (len == 6); g_assert (0 == strncmp (buf, "\x80hello", len)); g_assert (42 == GPOINTER_TO_UINT (data)); g_main_loop_quit (loop); } int main (void) { NiceAgent *agent; NiceAddress addr; guint stream; nice_address_init (&addr); g_type_init (); #if !GLIB_CHECK_VERSION(2,31,8) g_thread_init(NULL); #endif loop = g_main_loop_new (NULL, FALSE); agent = nice_agent_new (g_main_loop_get_context (loop), NICE_COMPATIBILITY_RFC5245); nice_address_set_ipv4 (&addr, 0x7f000001); nice_agent_add_local_address (agent, &addr); stream = nice_agent_add_stream (agent, 1); nice_agent_gather_candidates (agent, stream); // attach to default main context nice_agent_attach_recv (agent, stream, NICE_COMPONENT_TYPE_RTP, g_main_loop_get_context (loop), recv_cb, GUINT_TO_POINTER (42)); { NiceCandidate *candidate; GSList *candidates, *i; candidates = nice_agent_get_local_candidates (agent, 1, 1); candidate = candidates->data; nice_socket_send (candidate->sockptr, &(candidate->addr), 6, "\x80hello"); for (i = candidates; i; i = i->next) nice_candidate_free ((NiceCandidate *) i->data); g_slist_free (candidates); } g_main_loop_run (loop); g_object_unref (agent); return 0; } libnice-0.1.4/tests/test-fullmode.c0000664000175000017500000011513112052533507014142 00000000000000/* * This file is part of the Nice GLib ICE library. * * Unit test for ICE full-mode related features. * * (C) 2007 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Kai Vehmanen, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include #endif #include "agent.h" #include #include #define USE_TURN 0 #define USE_LOOPBACK 1 #define USE_PROXY 0 #define USE_UPNP 0 #define USE_RELIABLE 1 #define TEST_GOOGLE 0 #define PROXY_IP "127.0.0.1" #define PROXY_PORT 1080 #define PROXY_USERNAME NULL #define PROXY_PASSWORD NULL #if USE_PROXY #define PROXY_TYPE NICE_PROXY_TYPE_SOCKS5 #else #define PROXY_TYPE NICE_PROXY_TYPE_NONE #endif #if TEST_GOOGLE #define NICE_COMPATIBILITY NICE_COMPATIBILITY_GOOGLE #if USE_TURN #undef USE_LOOPBACK #define USE_LOOPBACK 0 #define TURN_IP "209.85.163.126" #define TURN_PORT 443 #define TURN_USER "ih9ppiM0P6vN34DB" #define TURN_PASS "" #define TURN_USER2 TURN_USER #define TURN_PASS2 TURN_PASS #define TURN_TYPE NICE_RELAY_TYPE_TURN_TLS #endif #else #define NICE_COMPATIBILITY NICE_COMPATIBILITY_RFC5245 #if USE_LOOPBACK #define USE_TURN_SERVER_ORG 1 #else #define USE_TURN_SERVER_ORG 0 #endif #define NUMB_IP "64.251.22.149" #define NUMB_PORT 3478 #define NUMB_USER "youness.alaoui@collabora.co.uk" #define NUMB_PASS "badger" #define TSORG_IP "127.0.0.1" #define TSORG_PORT 3478 #define TSORG_USER "toto" #define TSORG_PASS "password" #if USE_TURN_SERVER_ORG #define TURN_IP TSORG_IP #define TURN_PORT TSORG_PORT #define TURN_USER TSORG_USER #define TURN_PASS TSORG_PASS #define TURN_USER2 TSORG_USER #define TURN_PASS2 TSORG_PASS #define TURN_TYPE NICE_RELAY_TYPE_TURN_TCP #else #define TURN_IP NUMB_IP #define TURN_PORT NUMB_PORT #define TURN_USER NUMB_USER #define TURN_PASS NUMB_PASS #define TURN_USER2 NUMB_USER #define TURN_PASS2 NUMB_PASS #define TURN_TYPE NICE_RELAY_TYPE_TURN_UDP #endif #endif static NiceComponentState global_lagent_state[2] = { NICE_COMPONENT_STATE_LAST, NICE_COMPONENT_STATE_LAST }; static NiceComponentState global_ragent_state[2] = { NICE_COMPONENT_STATE_LAST, NICE_COMPONENT_STATE_LAST }; static guint global_components_ready = 0; static guint global_components_ready_exit = 0; static guint global_components_failed = 0; static guint global_components_failed_exit = 0; static GMainLoop *global_mainloop = NULL; static gboolean global_lagent_gathering_done = FALSE; static gboolean global_ragent_gathering_done = FALSE; static gboolean global_lagent_ibr_received = FALSE; static gboolean global_ragent_ibr_received = FALSE; static int global_lagent_cands = 0; static int global_ragent_cands = 0; static gint global_ragent_read = 0; static guint global_exit_when_ibr_received = 0; static void priv_print_global_status (void) { g_debug ("\tgathering_done=%d", global_lagent_gathering_done && global_ragent_gathering_done); g_debug ("\tlstate[rtp]=%d [rtcp]=%d", global_lagent_state[0], global_lagent_state[1]); g_debug ("\trstate[rtp]=%d [rtcp]=%d", global_ragent_state[0], global_ragent_state[1]); g_debug ("\tL cands=%d R cands=%d", global_lagent_cands, global_ragent_cands); } static gboolean timer_cb (gpointer pointer) { g_debug ("test-fullmode:%s: %p", G_STRFUNC, pointer); /* signal status via a global variable */ /* note: should not be reached, abort */ g_error ("ERROR: test has got stuck, aborting..."); return FALSE; } static void cb_writable (NiceAgent*agent, guint stream_id, guint component_id) { g_debug ("Transport is now writable, stopping mainloop"); g_main_loop_quit (global_mainloop); } static void cb_nice_recv (NiceAgent *agent, guint stream_id, guint component_id, guint len, gchar *buf, gpointer user_data) { g_debug ("test-fullmode:%s: %p", G_STRFUNC, user_data); /* XXX: dear compiler, these are for you: */ (void)agent; (void)stream_id; (void)component_id; (void)buf; /* * Lets ignore stun packets that got through */ if (len < 8) return; if (strncmp ("12345678", buf, 8)) return; if (GPOINTER_TO_UINT (user_data) == 2) { g_debug ("right agent received %d bytes, stopping mainloop", len); global_ragent_read = len; g_main_loop_quit (global_mainloop); } } static void cb_candidate_gathering_done(NiceAgent *agent, guint stream_id, gpointer data) { g_debug ("test-fullmode:%s: %p", G_STRFUNC, data); if (GPOINTER_TO_UINT (data) == 1) global_lagent_gathering_done = TRUE; else if (GPOINTER_TO_UINT (data) == 2) global_ragent_gathering_done = TRUE; if (global_lagent_gathering_done && global_ragent_gathering_done) g_main_loop_quit (global_mainloop); /* XXX: dear compiler, these are for you: */ (void)agent; } static void cb_component_state_changed (NiceAgent *agent, guint stream_id, guint component_id, guint state, gpointer data) { g_debug ("test-fullmode:%s: %p", G_STRFUNC, data); if (GPOINTER_TO_UINT (data) == 1) global_lagent_state[component_id - 1] = state; else if (GPOINTER_TO_UINT (data) == 2) global_ragent_state[component_id - 1] = state; if (state == NICE_COMPONENT_STATE_READY) global_components_ready++; if (state == NICE_COMPONENT_STATE_FAILED) global_components_failed++; g_debug ("test-fullmode: checks READY/EXIT-AT %u/%u.", global_components_ready, global_components_ready_exit); g_debug ("test-fullmode: checks FAILED/EXIT-AT %u/%u.", global_components_failed, global_components_failed_exit); /* signal status via a global variable */ if (global_components_ready == global_components_ready_exit && global_components_failed == global_components_failed_exit) { g_debug ("Components ready/failed achieved. Stopping mailoop"); g_main_loop_quit (global_mainloop); return; } #if 0 /* signal status via a global variable */ if (global_components_failed == global_components_failed_exit) { g_main_loop_quit (global_mainloop); return; } #endif /* XXX: dear compiler, these are for you: */ (void)agent; (void)stream_id; (void)data; (void)component_id; } static void cb_new_selected_pair(NiceAgent *agent, guint stream_id, guint component_id, gchar *lfoundation, gchar* rfoundation, gpointer data) { g_debug ("test-fullmode:%s: %p", G_STRFUNC, data); if (GPOINTER_TO_UINT (data) == 1) ++global_lagent_cands; else if (GPOINTER_TO_UINT (data) == 2) ++global_ragent_cands; /* XXX: dear compiler, these are for you: */ (void)agent; (void)stream_id; (void)component_id; (void)lfoundation; (void)rfoundation; } static void cb_new_candidate(NiceAgent *agent, guint stream_id, guint component_id, gchar *foundation, gpointer data) { g_debug ("test-fullmode:%s: %p", G_STRFUNC, data); /* XXX: dear compiler, these are for you: */ (void)agent; (void)stream_id; (void)data; (void)component_id; (void)foundation; } static void cb_initial_binding_request_received(NiceAgent *agent, guint stream_id, gpointer data) { g_debug ("test-fullmode:%s: %p", G_STRFUNC, data); if (GPOINTER_TO_UINT (data) == 1) global_lagent_ibr_received = TRUE; else if (GPOINTER_TO_UINT (data) == 2) global_ragent_ibr_received = TRUE; if (global_exit_when_ibr_received) { g_debug ("Received initial binding request. Stopping mailoop"); g_main_loop_quit (global_mainloop); } /* XXX: dear compiler, these are for you: */ (void)agent; (void)stream_id; (void)data; } static void set_candidates (NiceAgent *from, guint from_stream, NiceAgent *to, guint to_stream, guint component, gboolean remove_non_relay) { GSList *cands = NULL, *i; cands = nice_agent_get_local_candidates (from, from_stream, component); if (remove_non_relay) { restart: for (i = cands; i; i = i->next) { NiceCandidate *cand = i->data; if (cand->type != NICE_CANDIDATE_TYPE_RELAYED) { cands = g_slist_remove (cands, cand); nice_candidate_free (cand); goto restart; } } } nice_agent_set_remote_candidates (to, to_stream, component, cands); for (i = cands; i; i = i->next) nice_candidate_free ((NiceCandidate *) i->data); g_slist_free (cands); } static void set_credentials (NiceAgent *lagent, guint lstream, NiceAgent *ragent, guint rstream) { gchar *ufrag = NULL, *password = NULL; nice_agent_get_local_credentials(lagent, lstream, &ufrag, &password); nice_agent_set_remote_credentials (ragent, rstream, ufrag, password); g_free (ufrag); g_free (password); nice_agent_get_local_credentials(ragent, rstream, &ufrag, &password); nice_agent_set_remote_credentials (lagent, lstream, ufrag, password); g_free (ufrag); g_free (password); } static int run_full_test (NiceAgent *lagent, NiceAgent *ragent, NiceAddress *baseaddr, guint ready, guint failed) { guint ls_id, rs_id; gint ret; /* XXX: dear compiler, this is for you */ (void)baseaddr; /* step: initialize variables modified by the callbacks */ global_components_ready = 0; global_components_ready_exit = ready; global_components_failed = 0; global_components_failed_exit = failed; global_lagent_gathering_done = FALSE; global_ragent_gathering_done = FALSE; global_lagent_ibr_received = global_ragent_ibr_received = FALSE; global_lagent_cands = global_ragent_cands = 0; g_object_set (G_OBJECT (lagent), "controlling-mode", TRUE, NULL); g_object_set (G_OBJECT (ragent), "controlling-mode", FALSE, NULL); /* step: add one stream, with RTP+RTCP components, to each agent */ ls_id = nice_agent_add_stream (lagent, 2); rs_id = nice_agent_add_stream (ragent, 2); g_assert (ls_id > 0); g_assert (rs_id > 0); #if USE_TURN nice_agent_set_relay_info(lagent, ls_id, 1, TURN_IP, TURN_PORT, TURN_USER, TURN_PASS, TURN_TYPE); nice_agent_set_relay_info(lagent, ls_id, 2, TURN_IP, TURN_PORT, TURN_USER, TURN_PASS, TURN_TYPE); nice_agent_set_relay_info(ragent, rs_id, 1, TURN_IP, TURN_PORT, TURN_USER2, TURN_PASS2, TURN_TYPE); nice_agent_set_relay_info(ragent, rs_id, 2, TURN_IP, TURN_PORT, TURN_USER2, TURN_PASS2, TURN_TYPE); #endif /* Gather candidates and test nice_agent_set_port_range */ nice_agent_set_port_range (lagent, ls_id, 1, 10000, 10000); nice_agent_set_port_range (lagent, ls_id, 2, 10001, 10001); nice_agent_set_port_range (ragent, rs_id, 1, 12345, 12345); nice_agent_set_port_range (ragent, rs_id, 2, 10000, 10001); g_assert (nice_agent_gather_candidates (lagent, ls_id) == TRUE); g_assert (nice_agent_gather_candidates (ragent, rs_id) == FALSE); g_assert (nice_agent_get_local_candidates (ragent, rs_id, 1) == NULL); g_assert (nice_agent_get_local_candidates (ragent, rs_id, 2) == NULL); nice_agent_set_port_range (ragent, rs_id, 2, 10000, 10002); g_assert (nice_agent_gather_candidates (ragent, rs_id) == TRUE); #ifdef USE_LOOPBACK { GSList *cands = NULL, *i; NiceCandidate *cand = NULL; cands = nice_agent_get_local_candidates (lagent, ls_id, 1); g_assert (g_slist_length (cands) == 1); cand = cands->data; g_assert (cand->type == NICE_CANDIDATE_TYPE_HOST); g_assert (nice_address_get_port (&cand->addr) == 10000); for (i = cands; i; i = i->next) nice_candidate_free ((NiceCandidate *) i->data); g_slist_free (cands); cands = nice_agent_get_local_candidates (lagent, ls_id, 2); g_assert (g_slist_length (cands) == 1); cand = cands->data; g_assert (cand->type == NICE_CANDIDATE_TYPE_HOST); g_assert (nice_address_get_port (&cand->addr) == 10001); for (i = cands; i; i = i->next) nice_candidate_free ((NiceCandidate *) i->data); g_slist_free (cands); cands = nice_agent_get_local_candidates (ragent, rs_id, 1); g_assert (g_slist_length (cands) == 1); cand = cands->data; g_assert (cand->type == NICE_CANDIDATE_TYPE_HOST); g_assert (nice_address_get_port (&cand->addr) == 12345); for (i = cands; i; i = i->next) nice_candidate_free ((NiceCandidate *) i->data); g_slist_free (cands); cands = nice_agent_get_local_candidates (ragent, rs_id, 2); g_assert (g_slist_length (cands) == 1); cand = cands->data; g_assert (cand->type == NICE_CANDIDATE_TYPE_HOST); g_assert (nice_address_get_port (&cand->addr) == 10002); for (i = cands; i; i = i->next) nice_candidate_free ((NiceCandidate *) i->data); g_slist_free (cands); } #endif /* step: attach to mainloop (needed to register the fds) */ nice_agent_attach_recv (lagent, ls_id, NICE_COMPONENT_TYPE_RTP, g_main_loop_get_context (global_mainloop), cb_nice_recv, GUINT_TO_POINTER (1)); nice_agent_attach_recv (lagent, ls_id, NICE_COMPONENT_TYPE_RTCP, g_main_loop_get_context (global_mainloop), cb_nice_recv, GUINT_TO_POINTER (1)); nice_agent_attach_recv (ragent, rs_id, NICE_COMPONENT_TYPE_RTP, g_main_loop_get_context (global_mainloop), cb_nice_recv, GUINT_TO_POINTER (2)); nice_agent_attach_recv (ragent, rs_id, NICE_COMPONENT_TYPE_RTCP, g_main_loop_get_context (global_mainloop), cb_nice_recv, GUINT_TO_POINTER (2)); /* step: run mainloop until local candidates are ready * (see timer_cb() above) */ if (global_lagent_gathering_done != TRUE || global_ragent_gathering_done != TRUE) { g_debug ("test-fullmode: Added streams, running mainloop until 'candidate-gathering-done'..."); g_main_loop_run (global_mainloop); g_assert (global_lagent_gathering_done == TRUE); g_assert (global_ragent_gathering_done == TRUE); } set_credentials (lagent, ls_id, ragent, rs_id); /* step: pass the remote candidates to agents */ set_candidates (ragent, rs_id, lagent, ls_id, NICE_COMPONENT_TYPE_RTP, USE_TURN); set_candidates (ragent, rs_id, lagent, ls_id, NICE_COMPONENT_TYPE_RTCP, USE_TURN); set_candidates (lagent, ls_id, ragent, rs_id, NICE_COMPONENT_TYPE_RTP, USE_TURN); set_candidates (lagent, ls_id, ragent, rs_id, NICE_COMPONENT_TYPE_RTCP, USE_TURN); g_debug ("test-fullmode: Set properties, next running mainloop until connectivity checks succeed..."); /* step: run the mainloop until connectivity checks succeed * (see timer_cb() above) */ g_main_loop_run (global_mainloop); /* note: verify that STUN binding requests were sent */ g_assert (global_lagent_ibr_received == TRUE); g_assert (global_ragent_ibr_received == TRUE); /* note: test payload send and receive */ global_ragent_read = 0; ret = nice_agent_send (lagent, ls_id, 1, 16, "1234567812345678"); if (ret == -1) { gboolean reliable = FALSE; g_object_get (G_OBJECT (lagent), "reliable", &reliable, NULL); g_debug ("Sending data returned -1 in %s mode", reliable?"Reliable":"Non-reliable"); if (reliable) { gulong signal_handler; signal_handler = g_signal_connect (G_OBJECT (lagent), "reliable-transport-writable", G_CALLBACK (cb_writable), NULL); g_debug ("Running mainloop until transport is writable"); g_main_loop_run (global_mainloop); g_signal_handler_disconnect(G_OBJECT (lagent), signal_handler); ret = nice_agent_send (lagent, ls_id, 1, 16, "1234567812345678"); } } g_debug ("Sent %d bytes", ret); g_assert (ret == 16); g_main_loop_run (global_mainloop); g_assert (global_ragent_read == 16); g_debug ("test-fullmode: Ran mainloop, removing streams..."); /* step: clean up resources and exit */ nice_agent_remove_stream (lagent, ls_id); nice_agent_remove_stream (ragent, rs_id); return 0; } /* * Simulate the case where answer to the offer is delayed and * some STUN connectivity checks reach the offering party * before it gets the remote SDP information. */ static int run_full_test_delayed_answer (NiceAgent *lagent, NiceAgent *ragent, NiceAddress *baseaddr, guint ready, guint failed) { guint ls_id, rs_id; gint ret; /* XXX: dear compiler, this is for you */ (void)baseaddr; /* step: initialize variables modified by the callbacks */ global_components_ready = 0; global_components_ready_exit = ready; global_components_failed = 0; global_components_failed_exit = failed; global_lagent_gathering_done = FALSE; global_ragent_gathering_done = FALSE; global_lagent_ibr_received = global_ragent_ibr_received = FALSE; global_exit_when_ibr_received = 1; global_lagent_cands = global_ragent_cands = 0; g_object_set (G_OBJECT (lagent), "controlling-mode", TRUE, NULL); g_object_set (G_OBJECT (ragent), "controlling-mode", FALSE, NULL); /* step: add one stream, with RTP+RTCP components, to each agent */ ls_id = nice_agent_add_stream (lagent, 2); rs_id = nice_agent_add_stream (ragent, 2); g_assert (ls_id > 0); g_assert (rs_id > 0); /* We don't try this with TURN because as long as both agents don't have the remote candidates, they won't be able to create the permission on the TURN server, so the connchecks will never go through */ nice_agent_gather_candidates (lagent, ls_id); nice_agent_gather_candidates (ragent, rs_id); /* step: attach to mainloop (needed to register the fds) */ nice_agent_attach_recv (lagent, ls_id, NICE_COMPONENT_TYPE_RTP, g_main_loop_get_context (global_mainloop), cb_nice_recv, GUINT_TO_POINTER (1)); nice_agent_attach_recv (lagent, ls_id, NICE_COMPONENT_TYPE_RTCP, g_main_loop_get_context (global_mainloop), cb_nice_recv, GUINT_TO_POINTER (1)); nice_agent_attach_recv (ragent, rs_id, NICE_COMPONENT_TYPE_RTP, g_main_loop_get_context (global_mainloop), cb_nice_recv, GUINT_TO_POINTER (2)); nice_agent_attach_recv (ragent, rs_id, NICE_COMPONENT_TYPE_RTCP, g_main_loop_get_context (global_mainloop), cb_nice_recv, GUINT_TO_POINTER (2)); /* step: run mainloop until local candidates are ready * (see timer_cb() above) */ if (global_lagent_gathering_done != TRUE || global_ragent_gathering_done != TRUE) { g_debug ("test-fullmode: Added streams, running mainloop until 'candidate-gathering-done'..."); g_main_loop_run (global_mainloop); g_assert (global_lagent_gathering_done == TRUE); g_assert (global_ragent_gathering_done == TRUE); } set_credentials (lagent, ls_id, ragent, rs_id); /* step: set remote candidates for agent R (answering party) */ /* We have to disable TURN for this test because with the delayed answer, we can't create turn permissions, so we won't receive any connchecks */ set_candidates (lagent, ls_id, ragent, rs_id, NICE_COMPONENT_TYPE_RTP, FALSE); set_candidates (lagent, ls_id, ragent, rs_id, NICE_COMPONENT_TYPE_RTCP, FALSE); g_debug ("test-fullmode: Set properties, next running mainloop until first check is received..."); /* step: run the mainloop until first connectivity check receveid */ g_main_loop_run (global_mainloop); global_exit_when_ibr_received = 0; /* note: verify that STUN binding requests were sent */ g_assert (global_lagent_ibr_received == TRUE); g_debug ("test-fullmode: Delayed answer received, continuing processing.."); /* step: pass remove candidates to agent L (offering party) */ set_candidates (ragent, rs_id, lagent, ls_id, NICE_COMPONENT_TYPE_RTP, FALSE); set_candidates (ragent, rs_id, lagent, ls_id, NICE_COMPONENT_TYPE_RTCP, FALSE); g_debug ("test-fullmode: Running mainloop until connectivity checks succeeed."); g_main_loop_run (global_mainloop); g_assert (global_ragent_ibr_received == TRUE); g_assert (global_components_failed == 0); /* note: test payload send and receive */ global_ragent_read = 0; ret = nice_agent_send (lagent, ls_id, 1, 16, "1234567812345678"); { gboolean reliable = FALSE; g_object_get (G_OBJECT (lagent), "reliable", &reliable, NULL); if (reliable) { gulong signal_handler; signal_handler = g_signal_connect (G_OBJECT (lagent), "reliable-transport-writable", G_CALLBACK (cb_writable), NULL); g_main_loop_run (global_mainloop); g_signal_handler_disconnect(G_OBJECT (lagent), signal_handler); ret = nice_agent_send (lagent, ls_id, 1, 16, "1234567812345678"); } } global_ragent_read = 0; g_assert (ret == 16); g_main_loop_run (global_mainloop); g_assert (global_ragent_read == 16); g_debug ("test-fullmode: Ran mainloop, removing streams..."); /* step: clean up resources and exit */ nice_agent_remove_stream (lagent, ls_id); nice_agent_remove_stream (ragent, rs_id); return 0; } static int run_full_test_wrong_password (NiceAgent *lagent, NiceAgent *ragent, NiceAddress *baseaddr) { guint ls_id, rs_id; /* XXX: dear compiler, this is for you */ (void)baseaddr; global_components_ready = 0; global_components_ready_exit = 0; global_components_failed = 0; global_components_failed_exit = 2; global_lagent_state[0] = global_lagent_state[1] = global_ragent_state[0] = global_ragent_state[1] = NICE_COMPONENT_STATE_LAST; global_lagent_gathering_done = global_ragent_gathering_done = FALSE; global_lagent_cands = global_ragent_cands = 0; g_object_set (G_OBJECT (lagent), "controlling-mode", TRUE, NULL); g_object_set (G_OBJECT (ragent), "controlling-mode", FALSE, NULL); /* step: add one stream, with one component, to each agent */ ls_id = nice_agent_add_stream (lagent, 1); rs_id = nice_agent_add_stream (ragent, 1); g_assert (ls_id > 0); g_assert (rs_id > 0); #if USE_TURN nice_agent_set_relay_info(lagent, ls_id, 1, TURN_IP, TURN_PORT, TURN_USER, TURN_PASS, TURN_TYPE); nice_agent_set_relay_info(ragent, rs_id, 1, TURN_IP, TURN_PORT, TURN_USER, TURN_PASS, TURN_TYPE); #endif nice_agent_gather_candidates (lagent, ls_id); nice_agent_gather_candidates (ragent, rs_id); /* step: attach to mainloop (needed to register the fds) */ nice_agent_attach_recv (lagent, ls_id, NICE_COMPONENT_TYPE_RTP, g_main_loop_get_context (global_mainloop), cb_nice_recv, GUINT_TO_POINTER (1)); nice_agent_attach_recv (ragent, rs_id, NICE_COMPONENT_TYPE_RTP, g_main_loop_get_context (global_mainloop), cb_nice_recv, GUINT_TO_POINTER (2)); /* step: run mainloop until local candidates are ready * (see timer_cb() above) */ if (global_lagent_gathering_done != TRUE || global_ragent_gathering_done != TRUE) { g_debug ("test-fullmode: Added streams, running mainloop until 'candidate-gathering-done'..."); g_main_loop_run (global_mainloop); g_assert (global_lagent_gathering_done == TRUE); g_assert (global_ragent_gathering_done == TRUE); } g_debug ("test-fullmode: Got local candidates..."); set_credentials (lagent, ls_id, ragent, rs_id); nice_agent_set_remote_credentials (ragent, rs_id, "wrong", "password"); nice_agent_set_remote_credentials (lagent, ls_id, "wrong2", "password2"); /* step: pass the remote candidates to agents */ set_candidates (ragent, rs_id, lagent, ls_id, NICE_COMPONENT_TYPE_RTP, USE_TURN); set_candidates (lagent, ls_id, ragent, rs_id, NICE_COMPONENT_TYPE_RTP, USE_TURN); g_debug ("test-fullmode: Set properties, next running mainloop until connectivity checks succeed..."); /* step: run the mainloop until connectivity checks succeed * (see timer_cb() above) */ g_main_loop_run (global_mainloop); /* note: verify that correct number of local candidates were reported */ g_assert (global_lagent_cands == 0); g_assert (global_ragent_cands == 0); g_debug ("test-fullmode: Ran mainloop, removing streams..."); /* step: clean up resources and exit */ nice_agent_remove_stream (lagent, ls_id); nice_agent_remove_stream (ragent, rs_id); return 0; } static int run_full_test_control_conflict (NiceAgent *lagent, NiceAgent *ragent, NiceAddress *baseaddr, gboolean role) { guint ls_id, rs_id; /* XXX: dear compiler, this is for you */ (void)baseaddr; global_components_ready = 0; global_components_ready_exit = 2; global_components_failed = 0; global_components_failed_exit = 0; global_lagent_gathering_done = global_ragent_gathering_done = FALSE; global_lagent_cands = global_ragent_cands = 0; global_lagent_ibr_received = global_ragent_ibr_received = FALSE; g_object_set (G_OBJECT (lagent), "controlling-mode", role, NULL); g_object_set (G_OBJECT (ragent), "controlling-mode", role, NULL); /* step: add one stream, with one component, to each agent */ ls_id = nice_agent_add_stream (lagent, 1); rs_id = nice_agent_add_stream (ragent, 1); g_assert (ls_id > 0); g_assert (rs_id > 0); #if USE_TURN nice_agent_set_relay_info(lagent, ls_id, 1, TURN_IP, TURN_PORT, TURN_USER, TURN_PASS, TURN_TYPE); nice_agent_set_relay_info(ragent, rs_id, 1, TURN_IP, TURN_PORT, TURN_USER, TURN_PASS, TURN_TYPE); #endif nice_agent_gather_candidates (lagent, ls_id); nice_agent_gather_candidates (ragent, rs_id); /* step: attach to mainloop (needed to register the fds) */ nice_agent_attach_recv (lagent, ls_id, NICE_COMPONENT_TYPE_RTP, g_main_loop_get_context (global_mainloop), cb_nice_recv, GUINT_TO_POINTER (1)); nice_agent_attach_recv (ragent, rs_id, NICE_COMPONENT_TYPE_RTP, g_main_loop_get_context (global_mainloop), cb_nice_recv, GUINT_TO_POINTER (2)); /* step: run mainloop until local candidates are ready * (see timer_cb() above) */ if (global_lagent_gathering_done != TRUE || global_ragent_gathering_done != TRUE) { g_debug ("test-fullmode: Added streams, running mainloop until 'candidate-gathering-done'..."); g_main_loop_run (global_mainloop); g_assert (global_lagent_gathering_done == TRUE); g_assert (global_ragent_gathering_done == TRUE); } g_debug ("test-fullmode: Got local candidates..."); set_credentials (lagent, ls_id, ragent, rs_id); /* step: pass the remote candidates to agents */ set_candidates (ragent, rs_id, lagent, ls_id, NICE_COMPONENT_TYPE_RTP, USE_TURN); set_candidates (lagent, ls_id, ragent, rs_id, NICE_COMPONENT_TYPE_RTP, USE_TURN); g_debug ("test-fullmode: Set properties, next running mainloop until connectivity checks succeed..."); /* step: run the mainloop until connectivity checks succeed * (see timer_cb() above) */ g_main_loop_run (global_mainloop); /* When using TURN, we get peer reflexive candidates for the host cands that we removed so we can get another new_selected_pair signal later depending on timing/racing, we could double (or not) the amount we expected */ #if !(USE_TURN) /* note: verify that correct number of local candidates were reported */ g_assert (global_lagent_cands == 1); g_assert (global_ragent_cands == 1); #endif g_debug ("test-fullmode: Ran mainloop, removing streams..."); /* step: clean up resources and exit */ nice_agent_remove_stream (lagent, ls_id); nice_agent_remove_stream (ragent, rs_id); return 0; } int main (void) { NiceAgent *lagent, *ragent; /* agent's L and R */ NiceAddress baseaddr; int result; guint timer_id; const char *stun_server = NULL, *stun_server_port = NULL; #ifdef G_OS_WIN32 WSADATA w; WSAStartup(0x0202, &w); #endif g_type_init (); #if !GLIB_CHECK_VERSION(2,31,8) g_thread_init(NULL); #endif global_mainloop = g_main_loop_new (NULL, FALSE); /* Note: impl limits ... * - no multi-stream support * - no IPv6 support */ /* step: create the agents L and R */ #if USE_RELIABLE lagent = nice_agent_new_reliable (g_main_loop_get_context (global_mainloop), NICE_COMPATIBILITY); ragent = nice_agent_new_reliable (g_main_loop_get_context (global_mainloop), NICE_COMPATIBILITY); #else lagent = nice_agent_new (g_main_loop_get_context (global_mainloop), NICE_COMPATIBILITY); ragent = nice_agent_new (g_main_loop_get_context (global_mainloop), NICE_COMPATIBILITY); #endif nice_agent_set_software (lagent, "Test-fullmode, Left Agent"); nice_agent_set_software (ragent, "Test-fullmode, Right Agent"); /* step: add a timer to catch state changes triggered by signals */ #if USE_TURN timer_id = g_timeout_add (300000, timer_cb, NULL); #else timer_id = g_timeout_add (30000, timer_cb, NULL); #endif /* step: specify which local interface to use */ #if USE_LOOPBACK if (!nice_address_set_from_string (&baseaddr, "127.0.0.1")) g_assert_not_reached (); nice_agent_add_local_address (lagent, &baseaddr); nice_agent_add_local_address (ragent, &baseaddr); #endif g_signal_connect (G_OBJECT (lagent), "candidate-gathering-done", G_CALLBACK (cb_candidate_gathering_done), GUINT_TO_POINTER(1)); g_signal_connect (G_OBJECT (ragent), "candidate-gathering-done", G_CALLBACK (cb_candidate_gathering_done), GUINT_TO_POINTER (2)); g_signal_connect (G_OBJECT (lagent), "component-state-changed", G_CALLBACK (cb_component_state_changed), GUINT_TO_POINTER (1)); g_signal_connect (G_OBJECT (ragent), "component-state-changed", G_CALLBACK (cb_component_state_changed), GUINT_TO_POINTER (2)); g_signal_connect (G_OBJECT (lagent), "new-selected-pair", G_CALLBACK (cb_new_selected_pair), GUINT_TO_POINTER(1)); g_signal_connect (G_OBJECT (ragent), "new-selected-pair", G_CALLBACK (cb_new_selected_pair), GUINT_TO_POINTER (2)); g_signal_connect (G_OBJECT (lagent), "new-candidate", G_CALLBACK (cb_new_candidate), GUINT_TO_POINTER (1)); g_signal_connect (G_OBJECT (ragent), "new-candidate", G_CALLBACK (cb_new_candidate), GUINT_TO_POINTER (2)); g_signal_connect (G_OBJECT (lagent), "initial-binding-request-received", G_CALLBACK (cb_initial_binding_request_received), GUINT_TO_POINTER (1)); g_signal_connect (G_OBJECT (ragent), "initial-binding-request-received", G_CALLBACK (cb_initial_binding_request_received), GUINT_TO_POINTER (2)); stun_server = getenv ("NICE_STUN_SERVER"); stun_server_port = getenv ("NICE_STUN_SERVER_PORT"); if (stun_server) { g_object_set (G_OBJECT (lagent), "stun-server", stun_server, NULL); g_object_set (G_OBJECT (lagent), "stun-server-port", atoi (stun_server_port), NULL); g_object_set (G_OBJECT (ragent), "stun-server", stun_server, NULL); g_object_set (G_OBJECT (ragent), "stun-server-port", atoi (stun_server_port), NULL); } g_object_set (G_OBJECT (lagent), "upnp", USE_UPNP, NULL); g_object_set (G_OBJECT (lagent), "proxy-ip", PROXY_IP, NULL); g_object_set (G_OBJECT (lagent), "proxy-port", PROXY_PORT, NULL); g_object_set (G_OBJECT (lagent), "proxy-type", PROXY_TYPE, NULL); g_object_set (G_OBJECT (lagent), "proxy-username", PROXY_USERNAME, NULL); g_object_set (G_OBJECT (lagent), "proxy-password", PROXY_PASSWORD, NULL); g_object_set (G_OBJECT (ragent), "upnp", USE_UPNP, NULL); g_object_set (G_OBJECT (ragent), "proxy-ip", PROXY_IP, NULL); g_object_set (G_OBJECT (ragent), "proxy-port", PROXY_PORT, NULL); g_object_set (G_OBJECT (ragent), "proxy-type", PROXY_TYPE, NULL); g_object_set (G_OBJECT (ragent), "proxy-username", PROXY_USERNAME, NULL); g_object_set (G_OBJECT (ragent), "proxy-password", PROXY_PASSWORD, NULL); /* step: test setter/getter functions for properties */ { guint max_checks = 0; gchar *string = NULL; guint port = 0; gboolean mode = FALSE; g_object_get (G_OBJECT (lagent), "stun-server", &string, NULL); g_assert (stun_server == NULL || strcmp (string, stun_server) == 0); g_free (string); g_object_get (G_OBJECT (lagent), "stun-server-port", &port, NULL); g_assert (stun_server_port == NULL || port == (guint)atoi (stun_server_port)); g_object_get (G_OBJECT (lagent), "proxy-ip", &string, NULL); g_assert (strcmp (string, PROXY_IP) == 0); g_free (string); g_object_get (G_OBJECT (lagent), "proxy-port", &port, NULL); g_assert (port == PROXY_PORT); g_object_get (G_OBJECT (lagent), "controlling-mode", &mode, NULL); g_assert (mode == TRUE); g_object_set (G_OBJECT (lagent), "max-connectivity-checks", 300, NULL); g_object_get (G_OBJECT (lagent), "max-connectivity-checks", &max_checks, NULL); g_assert (max_checks == 300); } /* step: run test the first time */ g_debug ("test-fullmode: TEST STARTS / running test for the 1st time"); result = run_full_test (lagent, ragent, &baseaddr, 4 ,0); priv_print_global_status (); g_assert (result == 0); g_assert (global_lagent_state[0] == NICE_COMPONENT_STATE_READY); g_assert (global_lagent_state[1] == NICE_COMPONENT_STATE_READY); g_assert (global_ragent_state[0] == NICE_COMPONENT_STATE_READY); g_assert (global_ragent_state[1] == NICE_COMPONENT_STATE_READY); /* When using TURN, we get peer reflexive candidates for the host cands that we removed so we can get another new_selected_pair signal later depending on timing/racing, we could double (or not) the amount we expected */ #if !(USE_TURN) /* note: verify that correct number of local candidates were reported */ g_assert (global_lagent_cands == 2); g_assert (global_ragent_cands == 2); #endif /* step: run test again without unref'ing agents */ g_debug ("test-fullmode: TEST STARTS / running test for the 2nd time"); result = run_full_test (lagent, ragent, &baseaddr, 4, 0); priv_print_global_status (); g_assert (result == 0); g_assert (global_lagent_state[0] == NICE_COMPONENT_STATE_READY); g_assert (global_lagent_state[1] == NICE_COMPONENT_STATE_READY); g_assert (global_ragent_state[0] == NICE_COMPONENT_STATE_READY); g_assert (global_ragent_state[1] == NICE_COMPONENT_STATE_READY); /* When using TURN, we get peer reflexive candidates for the host cands that we removed so we can get another new_selected_pair signal later depending on timing/racing, we could double (or not) the amount we expected */ #if !(USE_TURN) /* note: verify that correct number of local candidates were reported */ g_assert (global_lagent_cands == 2); g_assert (global_ragent_cands == 2); #endif /* step: run test simulating delayed SDP answer */ g_debug ("test-fullmode: TEST STARTS / delayed SDP answer"); result = run_full_test_delayed_answer (lagent, ragent, &baseaddr, 4, 0); priv_print_global_status (); g_assert (result == 0); g_assert (global_lagent_state[0] == NICE_COMPONENT_STATE_READY); g_assert (global_lagent_state[1] == NICE_COMPONENT_STATE_READY); g_assert (global_ragent_state[0] == NICE_COMPONENT_STATE_READY); g_assert (global_ragent_state[1] == NICE_COMPONENT_STATE_READY); /* note: verify that correct number of local candidates were reported */ /* When using TURN, we get peer reflexive candidates for the host cands that we removed so we can get another new_selected_pair signal later depending on timing/racing, we could double (or not) the amount we expected */ #if !(USE_TURN) g_assert (global_lagent_cands == 2); g_assert (global_ragent_cands == 2); #endif #if TEST_GOOGLE return result; #endif /* run test with incorrect credentials (make sure process fails) */ g_debug ("test-fullmode: TEST STARTS / incorrect credentials"); result = run_full_test_wrong_password (lagent, ragent, &baseaddr); priv_print_global_status (); g_assert (result == 0); g_assert (global_lagent_state[0] == NICE_COMPONENT_STATE_FAILED); g_assert (global_lagent_state[1] == NICE_COMPONENT_STATE_LAST); g_assert (global_ragent_state[0] == NICE_COMPONENT_STATE_FAILED); g_assert (global_ragent_state[1] == NICE_COMPONENT_STATE_LAST); /* The max connectivity checks test can't be run with TURN because we'll have 3 local candidates instead of 1 and the checks will be random, so we can't predict how many will fail/succeed */ #if USE_TURN == 0 /* step: run test with a hard limit for connecitivity checks */ g_debug ("test-fullmode: TEST STARTS / max connectivity checks"); g_object_set (G_OBJECT (lagent), "max-connectivity-checks", 1, NULL); g_object_set (G_OBJECT (ragent), "max-connectivity-checks", 1, NULL); result = run_full_test (lagent, ragent, &baseaddr, 2, 2); priv_print_global_status (); g_assert (result == 0); /* should FAIL as agent L can't send any checks: */ g_assert (global_lagent_state[0] == NICE_COMPONENT_STATE_FAILED || global_lagent_state[1] == NICE_COMPONENT_STATE_FAILED); g_assert (global_lagent_state[0] == NICE_COMPONENT_STATE_FAILED || global_lagent_state[1] == NICE_COMPONENT_STATE_FAILED); #endif g_object_set (G_OBJECT (lagent), "max-connectivity-checks", 100, NULL); g_object_set (G_OBJECT (ragent), "max-connectivity-checks", 100, NULL); result = run_full_test (lagent, ragent, &baseaddr, 4, 0); priv_print_global_status (); /* should SUCCEED as agent L can send the checks: */ g_assert (result == 0); g_assert (global_lagent_state[0] == NICE_COMPONENT_STATE_READY); g_assert (global_lagent_state[1] == NICE_COMPONENT_STATE_READY); g_assert (global_ragent_state[0] == NICE_COMPONENT_STATE_READY); g_assert (global_ragent_state[1] == NICE_COMPONENT_STATE_READY); g_object_set (G_OBJECT (lagent), "max-connectivity-checks", 100, NULL); /* run test with a conflict in controlling mode: controlling-controlling */ g_debug ("test-fullmode: TEST STARTS / controlling mode conflict case-1"); result = run_full_test_control_conflict (lagent, ragent, &baseaddr, TRUE); priv_print_global_status (); g_assert (result == 0); g_assert (global_lagent_state[0] == NICE_COMPONENT_STATE_READY); g_assert (global_lagent_state[1] == NICE_COMPONENT_STATE_READY); g_assert (global_ragent_state[0] == NICE_COMPONENT_STATE_READY); g_assert (global_ragent_state[1] == NICE_COMPONENT_STATE_READY); /* run test with a conflict in controlling mode: controlled-controlled */ g_debug ("test-fullmode: TEST STARTS / controlling mode conflict case-2"); result = run_full_test_control_conflict (lagent, ragent, &baseaddr, FALSE); priv_print_global_status (); g_assert (result == 0); g_assert (global_lagent_state[0] == NICE_COMPONENT_STATE_READY); g_assert (global_lagent_state[1] == NICE_COMPONENT_STATE_READY); g_assert (global_ragent_state[0] == NICE_COMPONENT_STATE_READY); g_assert (global_ragent_state[1] == NICE_COMPONENT_STATE_READY); g_object_unref (lagent); g_object_unref (ragent); g_main_loop_unref (global_mainloop); global_mainloop = NULL; g_source_remove (timer_id); #ifdef G_OS_WIN32 WSACleanup(); #endif return result; } libnice-0.1.4/tests/test-new-dribble.c0000664000175000017500000005527412026655402014540 00000000000000/* * This file is part of the Nice GLib ICE library. * * Unit test for ICE in dribble mode (adding remote candidates while gathering * local candidates). * * (C) 2012 Collabora Ltd. * Contact: Rohan Garg * Youness Alaoui * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. * * Contributors: * Rohan Garg * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #include #include #include #include #include #include #include #include #include #include #include "stunagent.h" #include "agent-priv.h" #include "agent.h" #define IPPORT_STUN 3456 #define USE_UPNP 0 #define LEFT_AGENT GINT_TO_POINTER(1) #define RIGHT_AGENT GINT_TO_POINTER(2) #if !GLIB_CHECK_VERSION(2,31,8) static GMutex *stun_mutex_ptr = NULL; static GCond *stun_signal_ptr = NULL; static GMutex *stun_thread_mutex_ptr = NULL; static GCond *stun_thread_signal_ptr = NULL #else static GMutex stun_mutex; static GMutex *stun_mutex_ptr = &stun_mutex; static GCond stun_signal; static GCond *stun_signal_ptr = &stun_signal; static GMutex stun_thread_mutex; static GMutex *stun_thread_mutex_ptr = &stun_thread_mutex; static GCond stun_thread_signal; static GCond *stun_thread_signal_ptr = &stun_thread_signal; #endif static GMainLoop *global_mainloop; static NiceComponentState global_lagent_state = NICE_COMPONENT_STATE_LAST; static NiceComponentState global_ragent_state = NICE_COMPONENT_STATE_LAST; static gboolean exit_stun_thread = FALSE; static gboolean lagent_candidate_gathering_done = FALSE; static gboolean ragent_candidate_gathering_done = FALSE; static guint global_ls_id, global_rs_id; static gboolean data_received = FALSE; static gboolean drop_stun_packets = FALSE; static const uint16_t known_attributes[] = { 0 }; /* * Creates a listening socket */ static int listen_socket (unsigned int port) { struct sockaddr_in addr; int fd = socket (AF_INET, SOCK_DGRAM, IPPROTO_UDP); if (fd == -1) { perror ("Error opening IP port"); return -1; } memset (&addr, 0, sizeof (addr)); addr.sin_family = AF_INET; inet_pton(AF_INET, "127.0.0.1", &addr.sin_addr); addr.sin_port = htons(port); if (bind (fd, (struct sockaddr *)&addr, sizeof (struct sockaddr_in))) { perror ("Error opening IP port"); goto error; } return fd; error: close (fd); return -1; } static int dgram_process (int sock, StunAgent *oldagent, StunAgent *newagent) { struct sockaddr_storage addr; socklen_t addr_len; uint8_t buf[STUN_MAX_MESSAGE_SIZE]; size_t buf_len = 0; size_t len = 0; StunMessage request; StunMessage response; StunValidationStatus validation; StunAgent *agent = NULL; gint ret; addr_len = sizeof (struct sockaddr_in); recv_packet: len = recvfrom (sock, buf, sizeof(buf), 0, (struct sockaddr *)&addr, &addr_len); if (drop_stun_packets) { g_debug ("Dropping STUN packet as requested"); return -1; } if (len == (size_t)-1) { return -1; } validation = stun_agent_validate (newagent, &request, buf, len, NULL, 0); if (validation == STUN_VALIDATION_SUCCESS) { agent = newagent; } else { validation = stun_agent_validate (oldagent, &request, buf, len, NULL, 0); agent = oldagent; } /* Unknown attributes */ if (validation == STUN_VALIDATION_UNKNOWN_REQUEST_ATTRIBUTE) { buf_len = stun_agent_build_unknown_attributes_error (agent, &response, buf, sizeof (buf), &request); goto send_buf; } /* Mal-formatted packets */ if (validation != STUN_VALIDATION_SUCCESS || stun_message_get_class (&request) != STUN_REQUEST) { goto recv_packet; } switch (stun_message_get_method (&request)) { case STUN_BINDING: stun_agent_init_response (agent, &response, buf, sizeof (buf), &request); if (stun_message_has_cookie (&request)) stun_message_append_xor_addr (&response, STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS, (struct sockaddr *)&addr, addr_len); else stun_message_append_addr (&response, STUN_ATTRIBUTE_MAPPED_ADDRESS, (struct sockaddr *)&addr, addr_len); break; default: if (!stun_agent_init_error (agent, &response, buf, sizeof (buf), &request, STUN_ERROR_BAD_REQUEST)) { g_debug ("STUN error message not initialized properly"); g_assert_not_reached(); } } buf_len = stun_agent_finish_message (agent, &response, NULL, 0); send_buf: g_main_loop_quit (global_mainloop); g_debug ("Ready to send a STUN response"); g_assert (g_mutex_trylock (stun_mutex_ptr)); while (global_lagent_state < NICE_COMPONENT_STATE_CONNECTING) { g_debug ("Waiting for signal. State is %d", global_lagent_state); g_cond_wait (stun_signal_ptr, stun_mutex_ptr); } g_mutex_unlock (stun_mutex_ptr); len = sendto (sock, buf, buf_len, 0, (struct sockaddr *)&addr, addr_len); g_debug ("STUN response sent"); drop_stun_packets = TRUE; ret = (len < buf_len) ? -1 : 0; return ret; } static gpointer stun_thread_func (const gpointer user_data) { StunAgent oldagent; StunAgent newagent; int sock; int exit_code = -1; sock = listen_socket (IPPORT_STUN); if (sock == -1) { g_assert_not_reached (); } g_mutex_lock (stun_thread_mutex_ptr); g_cond_signal (stun_thread_signal_ptr); g_mutex_unlock (stun_thread_mutex_ptr); stun_agent_init (&oldagent, known_attributes, STUN_COMPATIBILITY_RFC3489, 0); stun_agent_init (&newagent, known_attributes, STUN_COMPATIBILITY_RFC5389, STUN_AGENT_USAGE_USE_FINGERPRINT); while (!exit_stun_thread) { g_debug ("Ready to process next datagram"); dgram_process (sock, &oldagent, &newagent); } exit_code = close (sock); g_thread_exit (GINT_TO_POINTER (exit_code)); return NULL; } static void set_credentials (NiceAgent *lagent, guint lstream, NiceAgent *ragent, guint rstream) { gchar *ufrag = NULL, *password = NULL; nice_agent_get_local_credentials (lagent, lstream, &ufrag, &password); nice_agent_set_remote_credentials (ragent, rstream, ufrag, password); g_free (ufrag); g_free (password); nice_agent_get_local_credentials (ragent, rstream, &ufrag, &password); nice_agent_set_remote_credentials (lagent, lstream, ufrag, password); g_free (ufrag); g_free (password); } static void cb_candidate_gathering_done(NiceAgent *agent, guint stream_id, gpointer data) { g_debug ("test-dribblemode:%s: %p", G_STRFUNC, data); if (GPOINTER_TO_UINT(data) == 1) { g_debug ("lagent finished gathering candidates"); lagent_candidate_gathering_done = TRUE; } else if (GPOINTER_TO_UINT(data) == 2) { g_debug ("ragent finished gathering candidates"); ragent_candidate_gathering_done = TRUE; } g_main_loop_quit(global_mainloop); } static void cb_nice_recv (NiceAgent *agent, guint stream_id, guint component_id, guint len, gchar *buf, gpointer user_data) { gint ret; g_debug ("test-dribblemode:%s: %p", G_STRFUNC, user_data); ret = strncmp ("0000", buf, 4); if (ret == 0) { ret = strncmp ("00001234567812345678", buf, 16); g_assert (ret == 0); g_debug ("test-dribblemode:%s: ragent recieved %d bytes : quit mainloop", G_STRFUNC, len); data_received = TRUE; g_main_loop_quit (global_mainloop); } } static void cb_component_state_changed (NiceAgent *agent, guint stream_id, guint component_id, guint state, gpointer data) { gint ret; g_debug ("test-dribblemode:%s: %p", G_STRFUNC, data); if(GPOINTER_TO_UINT(data) == 1) { global_lagent_state = state; g_debug ("lagent state is %d", state); } else if (GPOINTER_TO_UINT(data) == 2) { g_debug ("ragent state is %d", state); global_ragent_state = state; } if (GPOINTER_TO_UINT(data) == 1 && state == NICE_COMPONENT_STATE_FAILED) { g_debug ("Signalling STUN response since connchecks failed"); g_mutex_lock (stun_mutex_ptr); g_cond_signal (stun_signal_ptr); g_mutex_unlock (stun_mutex_ptr); g_main_loop_quit (global_mainloop); } if(GPOINTER_TO_UINT(data) == 1 && state == NICE_COMPONENT_STATE_READY) { /* note: test payload send and receive */ ret = nice_agent_send (agent, stream_id, component_id, 20, "00001234567812345678"); g_debug ("Sent %d bytes", ret); g_assert (ret == 20); } } static void swap_candidates(NiceAgent *local, guint local_id, NiceAgent *remote, guint remote_id, gboolean signal_stun_reply) { GSList *cands = NULL; g_debug ("test-dribblemode:%s", G_STRFUNC); cands = nice_agent_get_local_candidates(local, local_id, NICE_COMPONENT_TYPE_RTP); g_assert(nice_agent_set_remote_candidates(remote, remote_id, NICE_COMPONENT_TYPE_RTP, cands)); if (signal_stun_reply) { g_mutex_lock (stun_mutex_ptr); g_cond_signal (stun_signal_ptr); g_mutex_unlock (stun_mutex_ptr); } g_slist_free_full (cands, (GDestroyNotify) nice_candidate_free); } static void cb_agent_new_candidate(NiceAgent *agent, guint stream_id, guint component_id, gchar *foundation, gpointer user_data) { NiceAgent *other = g_object_get_data (G_OBJECT (agent), "other-agent"); GSList *cands = nice_agent_get_local_candidates (agent, stream_id, component_id); GSList *i = NULL; GSList *remote_cands = NULL; NiceCandidate* temp; gpointer tmp; guint id; g_debug ("test-dribblemode:%s: %p", G_STRFUNC, user_data); tmp = g_object_get_data (G_OBJECT (other), "id"); id = GPOINTER_TO_UINT (tmp); for (i = cands; i; i = i->next) { temp = (NiceCandidate*) i->data; if (g_strcmp0(temp->foundation, foundation) == 0) { g_debug ("Adding new local candidate to other agent's connchecks"); remote_cands = g_slist_prepend (remote_cands, nice_candidate_copy(temp)); g_assert (nice_agent_set_remote_candidates (other, id, NICE_COMPONENT_TYPE_RTP, remote_cands)); } } g_slist_free_full (remote_cands, (GDestroyNotify) nice_candidate_free); g_slist_free_full (cands, (GDestroyNotify) nice_candidate_free); } static void add_bad_candidate (NiceAgent *agent, guint stream_id, NiceCandidate *cand) { NiceAddress bad_addr; GSList *cand_list = NULL; g_assert (nice_address_set_from_string (&bad_addr, "172.1.0.1")); cand = nice_candidate_new (NICE_CANDIDATE_TYPE_HOST); cand->stream_id = stream_id; cand->component_id = NICE_COMPONENT_TYPE_RTP; cand->addr = bad_addr; nice_agent_get_local_credentials (agent, stream_id, &cand->username, &cand->password); cand_list = g_slist_prepend (cand_list, cand); g_debug ("Adding buggy candidate to the agent %p", agent); g_assert (nice_agent_set_remote_candidates (agent, stream_id, NICE_COMPONENT_TYPE_RTP, cand_list)); g_slist_free_full (cand_list, (GDestroyNotify) nice_candidate_free); } static void init_test(NiceAgent *lagent, NiceAgent *ragent, gboolean connect_new_candidate_signal) { global_lagent_state = NICE_COMPONENT_STATE_DISCONNECTED; global_ragent_state = NICE_COMPONENT_STATE_DISCONNECTED; lagent_candidate_gathering_done = FALSE; ragent_candidate_gathering_done = FALSE; global_ls_id = nice_agent_add_stream (lagent, 1); global_rs_id = nice_agent_add_stream (ragent, 1); g_assert (global_ls_id > 0); g_assert (global_rs_id > 0); g_debug ("lagent stream is : %d and ragent stream is %d", global_ls_id, global_rs_id); g_object_set_data (G_OBJECT (lagent), "id", GUINT_TO_POINTER (global_ls_id)); g_object_set_data (G_OBJECT (ragent), "id", GUINT_TO_POINTER (global_rs_id)); if (connect_new_candidate_signal) { g_signal_connect (G_OBJECT(lagent), "new-candidate", G_CALLBACK(cb_agent_new_candidate), LEFT_AGENT); g_signal_connect (G_OBJECT(ragent), "new-candidate", G_CALLBACK(cb_agent_new_candidate), RIGHT_AGENT); } else { g_signal_handlers_disconnect_by_func (G_OBJECT(lagent), cb_agent_new_candidate, LEFT_AGENT); g_signal_handlers_disconnect_by_func (G_OBJECT(ragent), cb_agent_new_candidate, RIGHT_AGENT); } data_received = FALSE; nice_agent_attach_recv (lagent, global_ls_id, NICE_COMPONENT_TYPE_RTP, g_main_loop_get_context(global_mainloop), cb_nice_recv, LEFT_AGENT); nice_agent_attach_recv (ragent, global_rs_id, NICE_COMPONENT_TYPE_RTP, g_main_loop_get_context(global_mainloop), cb_nice_recv, RIGHT_AGENT); } static void cleanup(NiceAgent *lagent, NiceAgent *ragent) { g_debug ("Cleaning up"); drop_stun_packets = FALSE; nice_agent_remove_stream (lagent, global_ls_id); nice_agent_remove_stream (ragent, global_rs_id); } static void standard_test(NiceAgent *lagent, NiceAgent *ragent) { g_debug ("test-dribblemode:%s", G_STRFUNC); init_test (lagent, ragent, FALSE); nice_agent_gather_candidates (lagent, global_ls_id); g_main_loop_run (global_mainloop); g_assert (global_lagent_state == NICE_COMPONENT_STATE_GATHERING && !lagent_candidate_gathering_done); nice_agent_gather_candidates (ragent, global_rs_id); if (!ragent_candidate_gathering_done) { g_main_loop_run (global_mainloop); g_assert (ragent_candidate_gathering_done); } set_credentials (lagent, global_ls_id, ragent, global_rs_id); g_debug ("Setting local candidates of ragent as remote candidates of lagent"); swap_candidates (ragent, global_rs_id, lagent, global_ls_id, TRUE); g_main_loop_run (global_mainloop); g_assert (global_lagent_state >= NICE_COMPONENT_STATE_CONNECTED && data_received); g_debug ("Setting local candidates of lagent as remote candidates of ragent"); swap_candidates (lagent, global_ls_id, ragent, global_rs_id, FALSE); g_main_loop_run (global_mainloop); g_assert (lagent_candidate_gathering_done); g_assert (global_lagent_state == NICE_COMPONENT_STATE_READY); g_assert (global_ragent_state >= NICE_COMPONENT_STATE_CONNECTED); cleanup (lagent, ragent); } static void bad_credentials_test(NiceAgent *lagent, NiceAgent *ragent) { g_debug ("test-dribblemode:%s", G_STRFUNC); init_test (lagent, ragent, FALSE); nice_agent_set_remote_credentials (lagent, global_ls_id, "wrong", "wrong"); nice_agent_set_remote_credentials (ragent, global_rs_id, "wrong2", "wrong2"); nice_agent_gather_candidates (lagent, global_ls_id); g_main_loop_run (global_mainloop); g_assert (global_lagent_state == NICE_COMPONENT_STATE_GATHERING && !lagent_candidate_gathering_done); nice_agent_gather_candidates (ragent, global_rs_id); if (!ragent_candidate_gathering_done) { g_main_loop_run (global_mainloop); g_assert (ragent_candidate_gathering_done); } swap_candidates (ragent, global_rs_id, lagent, global_ls_id, FALSE); g_main_loop_run (global_mainloop); g_assert (global_lagent_state == NICE_COMPONENT_STATE_FAILED); // Set the correct credentials and swap candidates set_credentials (lagent, global_ls_id, ragent, global_rs_id); swap_candidates (ragent, global_rs_id, lagent, global_ls_id, FALSE); swap_candidates (lagent, global_ls_id, ragent, global_rs_id, FALSE); g_main_loop_run (global_mainloop); g_assert (data_received); g_assert (global_lagent_state == NICE_COMPONENT_STATE_READY); g_assert (global_ragent_state >= NICE_COMPONENT_STATE_CONNECTED); // Wait for lagent to finish gathering candidates g_main_loop_run (global_mainloop); g_assert (lagent_candidate_gathering_done); cleanup (lagent, ragent); } static void bad_candidate_test(NiceAgent *lagent,NiceAgent *ragent) { NiceCandidate *cand = NULL; g_debug ("test-dribblemode:%s", G_STRFUNC); init_test (lagent, ragent, FALSE); nice_agent_gather_candidates (lagent, global_ls_id); g_main_loop_run (global_mainloop); g_assert (global_lagent_state == NICE_COMPONENT_STATE_GATHERING && !lagent_candidate_gathering_done); nice_agent_gather_candidates (ragent, global_rs_id); if (!ragent_candidate_gathering_done) { g_main_loop_run (global_mainloop); g_assert (ragent_candidate_gathering_done); } add_bad_candidate (lagent, global_ls_id, cand); // lagent will finish candidate gathering causing this mainloop to quit g_main_loop_run (global_mainloop); // connchecks will fail causing this mainloop to quit g_main_loop_run (global_mainloop); g_assert (global_lagent_state == NICE_COMPONENT_STATE_FAILED && !data_received); set_credentials (lagent, global_ls_id, ragent, global_rs_id); swap_candidates (ragent, global_rs_id, lagent, global_ls_id, FALSE); swap_candidates (lagent, global_ls_id, ragent, global_rs_id, FALSE); g_main_loop_run (global_mainloop); g_assert (lagent_candidate_gathering_done); g_assert (global_lagent_state == NICE_COMPONENT_STATE_READY); g_assert (global_ragent_state >= NICE_COMPONENT_STATE_CONNECTED); cleanup (lagent, ragent); } static void new_candidate_test(NiceAgent *lagent, NiceAgent *ragent) { g_debug ("test-dribblemode:%s", G_STRFUNC); init_test (lagent, ragent, TRUE); set_credentials (lagent, global_ls_id, ragent, global_rs_id); nice_agent_gather_candidates (lagent, global_ls_id); g_main_loop_run (global_mainloop); g_assert (global_lagent_state == NICE_COMPONENT_STATE_GATHERING && !lagent_candidate_gathering_done); nice_agent_gather_candidates (ragent, global_rs_id); if (!ragent_candidate_gathering_done) { g_main_loop_run (global_mainloop); } // Wait for data g_main_loop_run (global_mainloop); g_assert (data_received); // Data arrived, signal STUN thread to send STUN response g_mutex_lock (stun_mutex_ptr); g_cond_signal (stun_signal_ptr); g_mutex_unlock (stun_mutex_ptr); // Wait for lagent to finish gathering candidates g_main_loop_run (global_mainloop); g_assert (lagent_candidate_gathering_done); g_assert (ragent_candidate_gathering_done); g_assert (global_lagent_state == NICE_COMPONENT_STATE_READY); g_assert (global_ragent_state >= NICE_COMPONENT_STATE_CONNECTED); cleanup (lagent, ragent); } static void send_dummy_data(void) { int sockfd = listen_socket (4567); struct sockaddr_in addr; memset (&addr, 0, sizeof (addr)); addr.sin_family = AF_INET; inet_pton(AF_INET, "127.0.0.1", &addr.sin_addr); addr.sin_port = htons (IPPORT_STUN); g_debug ("Sending dummy data to close STUN thread"); sendto (sockfd, "close socket", 12, 0, (struct sockaddr *)&addr, sizeof (addr)); } int main(void) { NiceAgent *lagent = NULL, *ragent = NULL; GThread *stun_thread = NULL; NiceAddress baseaddr; g_type_init(); global_mainloop = g_main_loop_new (NULL, FALSE); #if !GLIB_CHECK_VERSION(2,31,8) g_thread_init (NULL); stun_thread = g_thread_create (stun_thread_func, global_mainloop, TRUE, NULL); stun_mutex_ptr = g_mutex_new (); stun_signal_ptr = g_cond_new (); #else stun_thread = g_thread_new ("listen for STUN requests", stun_thread_func, NULL); #endif // Once the the thread is forked, we want to listen for a signal // that the socket was opened successfully g_mutex_lock (stun_thread_mutex_ptr); g_cond_wait (stun_thread_signal_ptr, stun_thread_mutex_ptr); lagent = nice_agent_new (g_main_loop_get_context (global_mainloop), NICE_COMPATIBILITY_RFC5245); ragent = nice_agent_new (g_main_loop_get_context (global_mainloop), NICE_COMPATIBILITY_RFC5245); g_object_set (G_OBJECT (lagent), "controlling-mode", TRUE, NULL); g_object_set (G_OBJECT (ragent), "controlling-mode", FALSE, NULL); g_object_set (G_OBJECT (lagent), "upnp", USE_UPNP, NULL); g_object_set (G_OBJECT (ragent), "upnp", USE_UPNP, NULL); g_object_set (G_OBJECT (lagent), "stun-server", "127.0.0.1", NULL); g_object_set (G_OBJECT (lagent), "stun-server-port", IPPORT_STUN, NULL); g_object_set_data (G_OBJECT (lagent), "other-agent", ragent); g_object_set_data (G_OBJECT (ragent), "other-agent", lagent); g_assert (nice_address_set_from_string (&baseaddr, "127.0.0.1")); nice_agent_add_local_address (lagent, &baseaddr); nice_agent_add_local_address (ragent, &baseaddr); g_signal_connect(G_OBJECT(lagent), "candidate-gathering-done", G_CALLBACK(cb_candidate_gathering_done), LEFT_AGENT); g_signal_connect(G_OBJECT(ragent), "candidate-gathering-done", G_CALLBACK(cb_candidate_gathering_done), RIGHT_AGENT); g_signal_connect(G_OBJECT(lagent), "component-state-changed", G_CALLBACK(cb_component_state_changed), LEFT_AGENT); g_signal_connect(G_OBJECT(ragent), "component-state-changed", G_CALLBACK(cb_component_state_changed), RIGHT_AGENT); standard_test (lagent, ragent); bad_credentials_test (lagent, ragent); bad_candidate_test (lagent, ragent); new_candidate_test (lagent, ragent); // Do this to make sure the STUN thread exits exit_stun_thread = TRUE; drop_stun_packets = TRUE; send_dummy_data (); g_object_unref (lagent); g_object_unref (ragent); g_thread_join (stun_thread); #if !GLIB_CHECK_VERSION(2,31,8) g_mutex_free (stun_mutex_ptr); g_cond_free (stun_signal_ptr); #endif g_main_loop_unref (global_mainloop); return 0; } libnice-0.1.4/tests/check-test-fullmode-with-stun.sh0000775000175000017500000000102611750337061017346 00000000000000#! /bin/sh STUND=../stun/tools/stund echo "Starting ICE full-mode with STUN unit test." 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You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include #include #include #include "pseudotcp.h" PseudoTcpSocket *left; PseudoTcpSocket *right; GMainLoop *mainloop = NULL; FILE *in = NULL; FILE *out = NULL; int total_read = 0; int total_wrote = 0; guint left_clock = 0; guint right_clock = 0; static void adjust_clock (PseudoTcpSocket *sock); static void write_to_sock (PseudoTcpSocket *sock) { gchar buf[1024]; guint len; guint wlen; guint total = 0; while (TRUE) { len = fread (buf, 1, sizeof(buf), in); if (len == 0) { g_debug ("Done reading data from file"); pseudo_tcp_socket_close (sock, FALSE); break; } else { wlen = pseudo_tcp_socket_send (sock, buf, len); g_debug ("Sending %d bytes : %d", len, wlen); total += wlen; total_read += wlen; if (wlen < len) { fseek (in, wlen - len, SEEK_CUR); g_debug ("Socket queue full after %d bytes written", total); break; } } } adjust_clock (sock); } static void opened (PseudoTcpSocket *sock, gpointer data) { g_debug ("Socket %p Opened", sock); if (sock == left) { if (in) write_to_sock (sock); else { pseudo_tcp_socket_send (sock, "abcdefghijklmnopqrstuvwxyz", 26); pseudo_tcp_socket_close (sock, FALSE); } } } static void readable (PseudoTcpSocket *sock, gpointer data) { gchar buf[1024]; gint len; g_debug ("Socket %p Readable", sock); do { len = pseudo_tcp_socket_recv (sock, buf, sizeof(buf)); if (len > 0) { g_debug ("Read %d bytes", len); if (out) { if (fwrite (buf, len, 1, out) == 0) g_debug ("Error writing to output file"); else { total_wrote += len; g_debug ("Written %d bytes, need %d bytes", total_wrote, total_read); if (total_wrote >= total_read && feof (in)) { pseudo_tcp_socket_close (left, FALSE); pseudo_tcp_socket_close (right, FALSE); } } } else { if (len == 26 && strncmp (buf, "abcdefghijklmnopqrstuvwxyz", len) == 0) { pseudo_tcp_socket_close (left, FALSE); pseudo_tcp_socket_close (right, FALSE); } else { g_debug ("Error reading data.. read %d bytes : %s", len, buf); exit (-1); } } } } while (len > 0); if (len == -1 && pseudo_tcp_socket_get_error (sock) != EWOULDBLOCK) { g_debug ("Error reading from socket : %d", pseudo_tcp_socket_get_error (sock)); exit (-1); } adjust_clock (sock); } static void writable (PseudoTcpSocket *sock, gpointer data) { g_debug ("Socket %p Writable", sock); if (in) write_to_sock (sock); } static void closed (PseudoTcpSocket *sock, guint32 err, gpointer data) { g_debug ("Socket %p Closed : %d", sock, err); } struct notify_data { PseudoTcpSocket *sock; gchar *buffer; guint32 len; }; static gboolean notify_packet (gpointer user_data) { struct notify_data *data = (struct notify_data*) user_data; if (!data->sock || (data->sock != left && data->sock != right)) return FALSE; pseudo_tcp_socket_notify_packet (data->sock, data->buffer, data->len); adjust_clock (data->sock); g_free (data->buffer); g_free (data); return FALSE; } static PseudoTcpWriteResult write (PseudoTcpSocket *sock, const gchar *buffer, guint32 len, gpointer user_data) { struct notify_data *data; PseudoTcpState state; int drop_rate = rand () % 100; g_object_get (sock, "state", &state, NULL); if (drop_rate < 5) { g_debug ("*********************Dropping packet (%d)", drop_rate); return WR_SUCCESS; } data = g_new0 (struct notify_data,1); g_debug ("Socket %p(%d) Writing : %d bytes", sock, state, len); data->buffer = g_malloc (len); memcpy (data->buffer, buffer, len); data->len = len; if (sock == left) { data->sock = right; } else { data->sock = left; } g_idle_add (notify_packet, data); return WR_SUCCESS; } static gboolean notify_clock (gpointer data) { PseudoTcpSocket *sock = (PseudoTcpSocket *)data; if (sock != left && sock != right) return FALSE; //g_debug ("Socket %p: Notifying clock", sock); pseudo_tcp_socket_notify_clock (sock); adjust_clock (sock); return FALSE; } static void adjust_clock (PseudoTcpSocket *sock) { long timeout = 0; if (pseudo_tcp_socket_get_next_clock (sock, &timeout)) { //g_debug ("Socket %p: Adjuting clock to %ld ms", sock, timeout); if (sock == left) { if (left_clock != 0) g_source_remove (left_clock); left_clock = g_timeout_add (timeout, notify_clock, sock); } else { if (right_clock != 0) g_source_remove (right_clock); right_clock = g_timeout_add (timeout, notify_clock, sock); } } else { g_debug ("Socket %p should be destroyed", sock); g_object_unref (sock); if (sock == left) left = NULL; else right = NULL; if (left == right) g_main_loop_quit (mainloop); } } int main (int argc, char *argv[]) { PseudoTcpCallbacks cbs = {NULL, opened, readable, writable, closed, write}; mainloop = g_main_loop_new (NULL, FALSE); g_type_init (); pseudo_tcp_set_debug_level (PSEUDO_TCP_DEBUG_VERBOSE); left = pseudo_tcp_socket_new (0, &cbs); right = pseudo_tcp_socket_new (0, &cbs); g_debug ("Left: %p. Right: %p", left, right); pseudo_tcp_socket_notify_mtu (left, 1496); pseudo_tcp_socket_notify_mtu (right, 1496); pseudo_tcp_socket_connect (left); adjust_clock (left); adjust_clock (right); if (argc == 3) { in = fopen (argv[1], "r"); out = fopen (argv[2], "w"); } g_main_loop_run (mainloop); if (in) fclose (in); if (out) fclose (out); return 0; } libnice-0.1.4/tests/test.c0000664000175000017500000000657211720603735012347 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2006, 2007 Collabora Ltd. * Contact: Dafydd Harries * (C) 2006, 2007 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Dafydd Harries, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include #endif #include #include "agent.h" #include "agent-priv.h" gint main (void) { NiceAgent *agent; NiceAddress addr_local, addr_remote; NiceCandidate *candidate; GSList *candidates, *i; guint stream_id; #ifdef G_OS_WIN32 WSADATA w; WSAStartup(0x0202, &w); #endif nice_address_init (&addr_local); nice_address_init (&addr_remote); g_type_init (); #if !GLIB_CHECK_VERSION(2,31,8) g_thread_init(NULL); #endif g_assert (nice_address_set_from_string (&addr_local, "127.0.0.1")); g_assert (nice_address_set_from_string (&addr_remote, "127.0.0.1")); nice_address_set_port (&addr_remote, 2345); agent = nice_agent_new ( NULL, NICE_COMPATIBILITY_RFC5245); g_assert (agent->local_addresses == NULL); /* add one local address */ nice_agent_add_local_address (agent, &addr_local); g_assert (agent->local_addresses != NULL); g_assert (g_slist_length (agent->local_addresses) == 1); g_assert (nice_address_equal (agent->local_addresses->data, &addr_local)); /* add a stream */ stream_id = nice_agent_add_stream (agent, 1); nice_agent_gather_candidates (agent, stream_id); /* adding a stream should cause host candidates to be generated */ candidates = nice_agent_get_local_candidates (agent, stream_id, 1); g_assert (g_slist_length (candidates) == 1); candidate = candidates->data; /* socket manager uses random port number */ nice_address_set_port (&addr_local, 1); nice_address_set_port (&(candidate->addr), 1); g_assert (nice_address_equal (&(candidate->addr), &addr_local)); g_assert (strncmp (candidate->foundation, "1", 1) == 0); for (i = candidates; i; i = i->next) nice_candidate_free ((NiceCandidate *) i->data); g_slist_free (candidates); /* clean up */ g_object_unref (agent); #ifdef G_OS_WIN32 WSACleanup(); #endif return 0; } libnice-0.1.4/tests/test-thread.c0000664000175000017500000002537511725267763013632 00000000000000/* * This file is part of the Nice GLib ICE library. * * Unit test for ICE full-mode related features. * * (C) 2007 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Kai Vehmanen, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include #endif #include "agent.h" #include #include #ifndef G_OS_WIN32 #include #endif GMainLoop *error_loop; gint global_lagent_cands = 0; gint global_ragent_cands = 0; gint global_lagent_buffers = 0; gint global_ragent_buffers = 0; static gboolean timer_cb (gpointer pointer) { g_debug ("test-thread:%s: %p", G_STRFUNC, pointer); /* note: should not be reached, abort */ g_debug ("ERROR: test has got stuck, aborting..."); exit (-1); } static gpointer mainloop_thread (gpointer data) { GMainLoop *loop = data; g_usleep (100000); g_main_loop_run (loop); return NULL; } static void cb_new_selected_pair(NiceAgent *agent, guint stream_id, guint component_id, gchar *lfoundation, gchar* rfoundation, gpointer data) { g_debug ("test-thread:%s: %p", G_STRFUNC, data); if (GPOINTER_TO_UINT (data) == 1) g_atomic_int_inc (&global_lagent_cands); else if (GPOINTER_TO_UINT (data) == 2) g_atomic_int_inc (&global_ragent_cands); } static void cb_candidate_gathering_done(NiceAgent *agent, guint stream_id, gpointer data) { NiceAgent *other = g_object_get_data (G_OBJECT (agent), "other-agent"); gchar *ufrag = NULL, *password = NULL; GSList *cands, *i; guint id, other_id; gpointer tmp; g_debug ("test-thread:%s", G_STRFUNC); tmp = g_object_get_data (G_OBJECT (agent), "id"); id = GPOINTER_TO_UINT (tmp); tmp = g_object_get_data (G_OBJECT (other), "id"); other_id = GPOINTER_TO_UINT (tmp); nice_agent_get_local_credentials(agent, id, &ufrag, &password); nice_agent_set_remote_credentials (other, other_id, ufrag, password); g_free (ufrag); g_free (password); cands = nice_agent_get_local_candidates(agent, id, 1); g_assert (cands != NULL); nice_agent_set_remote_candidates (other, other_id, 1, cands); for (i = cands; i; i = i->next) nice_candidate_free ((NiceCandidate *) i->data); g_slist_free (cands); } static void cb_nice_recv (NiceAgent *agent, guint stream_id, guint component_id, guint len, gchar *buf, gpointer user_data) { gchar data[10]; gint *count = NULL; if (GPOINTER_TO_UINT (user_data) == 1) count = &global_lagent_buffers; else if (GPOINTER_TO_UINT (user_data) == 2) count = &global_ragent_buffers; else g_error ("Invalid agent ?"); if (*count == -1) return; g_assert (len == 10); memset (data, *count+'1', 10); g_assert (memcmp (buf, data, 10) == 0); (*count)++; if (*count == 10) *count = -1; if (global_ragent_buffers == -1 && global_lagent_buffers == -1) g_main_loop_quit (error_loop); } static void cb_component_state_changed (NiceAgent *agent, guint stream_id, guint component_id, guint state, gpointer user_data) { int i; gchar data[10]; if (state != NICE_COMPONENT_STATE_READY) return; for (i=0; i<10; i++) { memset (data, i+'1', 10); nice_agent_send (agent, stream_id, component_id, 10, data); } } int main (void) { NiceAgent *lagent, *ragent; /* agent's L and R */ NiceAddress baseaddr; const char *stun_server = NULL, *stun_server_port = NULL; GMainContext *lmainctx, *rmainctx; GMainLoop *lmainloop, *rmainloop; GThread *lthread, *rthread; guint ls_id, rs_id; GMainContext *ldmainctx, *rdmainctx; GMainLoop *ldmainloop, *rdmainloop; GThread *ldthread, *rdthread; #ifdef G_OS_WIN32 WSADATA w; WSAStartup(0x0202, &w); #endif g_type_init (); #if !GLIB_CHECK_VERSION(2,31,8) g_thread_init(NULL); #endif lmainctx = g_main_context_new (); rmainctx = g_main_context_new (); lmainloop = g_main_loop_new (lmainctx, FALSE); rmainloop = g_main_loop_new (rmainctx, FALSE); ldmainctx = g_main_context_new (); rdmainctx = g_main_context_new (); ldmainloop = g_main_loop_new (ldmainctx, FALSE); rdmainloop = g_main_loop_new (rdmainctx, FALSE); error_loop = g_main_loop_new (NULL, FALSE); /* step: create the agents L and R */ lagent = nice_agent_new (lmainctx, NICE_COMPATIBILITY_MSN); ragent = nice_agent_new (rmainctx, NICE_COMPATIBILITY_MSN); g_object_set_data (G_OBJECT (lagent), "other-agent", ragent); g_object_set_data (G_OBJECT (ragent), "other-agent", lagent); g_object_set (G_OBJECT (lagent), "controlling-mode", TRUE, NULL); g_object_set (G_OBJECT (ragent), "controlling-mode", FALSE, NULL); g_object_set (G_OBJECT (lagent), "upnp", FALSE, NULL); g_object_set (G_OBJECT (ragent), "upnp", FALSE, NULL); /* step: add a timer to catch state changes triggered by signals */ g_timeout_add (30000, timer_cb, NULL); /* step: specify which local interface to use */ if (!nice_address_set_from_string (&baseaddr, "127.0.0.1")) g_assert_not_reached (); nice_agent_add_local_address (lagent, &baseaddr); nice_agent_add_local_address (ragent, &baseaddr); g_signal_connect (G_OBJECT (lagent), "candidate-gathering-done", G_CALLBACK (cb_candidate_gathering_done), GUINT_TO_POINTER(1)); g_signal_connect (G_OBJECT (ragent), "candidate-gathering-done", G_CALLBACK (cb_candidate_gathering_done), GUINT_TO_POINTER(2)); g_signal_connect (G_OBJECT (lagent), "component-state-changed", G_CALLBACK (cb_component_state_changed), GUINT_TO_POINTER(1)); g_signal_connect (G_OBJECT (ragent), "component-state-changed", G_CALLBACK (cb_component_state_changed), GUINT_TO_POINTER(2)); g_signal_connect (G_OBJECT (lagent), "new-selected-pair", G_CALLBACK (cb_new_selected_pair), GUINT_TO_POINTER(1)); g_signal_connect (G_OBJECT (ragent), "new-selected-pair", G_CALLBACK (cb_new_selected_pair), GUINT_TO_POINTER(2)); stun_server = getenv ("NICE_STUN_SERVER"); stun_server_port = getenv ("NICE_STUN_SERVER_PORT"); if (stun_server) { g_object_set (G_OBJECT (lagent), "stun-server", stun_server, NULL); g_object_set (G_OBJECT (lagent), "stun-server-port", atoi (stun_server_port), NULL); g_object_set (G_OBJECT (ragent), "stun-server", stun_server, NULL); g_object_set (G_OBJECT (ragent), "stun-server-port", atoi (stun_server_port), NULL); } /* step: test setter/getter functions for properties */ { guint max_checks = 0; gchar *string = NULL; guint port = 0; gboolean mode = FALSE; g_object_get (G_OBJECT (lagent), "stun-server", &string, NULL); g_assert (stun_server == NULL || strcmp (string, stun_server) == 0); g_free (string); g_object_get (G_OBJECT (lagent), "stun-server-port", &port, NULL); g_assert (stun_server_port == NULL || port == (guint)atoi (stun_server_port)); g_object_get (G_OBJECT (lagent), "controlling-mode", &mode, NULL); g_assert (mode == TRUE); g_object_set (G_OBJECT (lagent), "max-connectivity-checks", 300, NULL); g_object_get (G_OBJECT (lagent), "max-connectivity-checks", &max_checks, NULL); g_assert (max_checks == 300); } /* step: run test the first time */ g_debug ("test-thread: TEST STARTS / running test for the 1st time"); #if !GLIB_CHECK_VERSION(2,31,8) lthread = g_thread_create (mainloop_thread, lmainloop, TRUE, NULL); rthread = g_thread_create (mainloop_thread, rmainloop, TRUE, NULL); #else lthread = g_thread_new ("lthread libnice", mainloop_thread, lmainloop); rthread = g_thread_new ("rthread libnice", mainloop_thread, rmainloop); #endif g_assert (lthread); g_assert (rthread); ls_id = nice_agent_add_stream (lagent, 2); rs_id = nice_agent_add_stream (ragent, 2); g_assert (ls_id > 0); g_assert (rs_id > 0); g_object_set_data (G_OBJECT (lagent), "id", GUINT_TO_POINTER (ls_id)); g_object_set_data (G_OBJECT (ragent), "id", GUINT_TO_POINTER (rs_id)); nice_agent_gather_candidates (lagent, ls_id); nice_agent_gather_candidates (ragent, rs_id); nice_agent_attach_recv (lagent, ls_id, 1, ldmainctx, cb_nice_recv, GUINT_TO_POINTER (1)); nice_agent_attach_recv (ragent, rs_id, 1, rdmainctx, cb_nice_recv, GUINT_TO_POINTER (2)); #if !GLIB_CHECK_VERSION(2,31,8) ldthread = g_thread_create (mainloop_thread, ldmainloop, TRUE, NULL); rdthread = g_thread_create (mainloop_thread, rdmainloop, TRUE, NULL); #else ldthread = g_thread_new ("ldthread libnice", mainloop_thread, ldmainloop); rdthread = g_thread_new ("rdthread libnice", mainloop_thread, rdmainloop); #endif g_assert (ldthread); g_assert (rdthread); /* Run loop for error timer */ g_main_loop_run (error_loop); while (!g_main_loop_is_running (ldmainloop)); while (g_main_loop_is_running (ldmainloop)) g_main_loop_quit (ldmainloop); while (!g_main_loop_is_running (rdmainloop)); while (g_main_loop_is_running (rdmainloop)) g_main_loop_quit (rdmainloop); while (!g_main_loop_is_running (lmainloop)); while (g_main_loop_is_running (lmainloop)) g_main_loop_quit (lmainloop); while (!g_main_loop_is_running (rmainloop)); while (g_main_loop_is_running (rmainloop)) g_main_loop_quit (rmainloop); g_thread_join (ldthread); g_thread_join (rdthread); g_thread_join (lthread); g_thread_join (rthread); /* note: verify that correct number of local candidates were reported */ g_assert (global_lagent_cands == 1); g_assert (global_ragent_cands == 1); g_object_unref (lagent); g_object_unref (ragent); g_main_loop_unref (lmainloop); g_main_loop_unref (rmainloop); g_main_loop_unref (ldmainloop); g_main_loop_unref (rdmainloop); g_main_loop_unref (error_loop); #ifdef G_OS_WIN32 WSACleanup(); #endif return 0; } libnice-0.1.4/tests/test-priority.c0000644000175000017500000000431011241364464014211 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2006, 2007 Collabora Ltd. * Contact: Dafydd Harries * (C) 2006, 2007 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Dafydd Harries, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include #endif #include "agent.h" int main (void) { NiceCandidate *candidate; /* test 1 */ candidate = nice_candidate_new (NICE_CANDIDATE_TYPE_HOST); g_assert (nice_candidate_ice_priority (candidate) == 0x78000200); g_assert (nice_candidate_jingle_priority (candidate) == 1000); nice_candidate_free (candidate); /* test 2 */ /* 2^32*MIN(O,A) + 2*MAX(O,A) + (O>A?1:0) = 2^32*1 + 2*5000 + 0 = 4294977296 */ g_assert (nice_candidate_pair_priority (1,5000) == 4294977296LL); /* 2^32*1 + 2*5000 + 1 = 4294977297 */ g_assert (nice_candidate_pair_priority (5000, 1) == 4294977297LL); return 0; } libnice-0.1.4/tests/Makefile.am0000664000175000017500000000276712024152577013263 00000000000000# # Makefile.am for the Nice Glib ICE library # # (C) 2006, 2007 Collabora Ltd. # (C) 2006, 2007 Nokia Corporation. All rights reserved. # # Licensed under MPL 1.1/LGPL 2.1. See file COPYING. include $(top_srcdir)/common.mk AM_CFLAGS = \ $(ERROR_CFLAGS) \ $(GLIB_CFLAGS) \ $(GUPNP_CFLAGS) \ -I $(top_srcdir) \ -I $(top_srcdir)/agent \ -I $(top_srcdir)/random \ -I $(top_srcdir)/socket \ -I $(top_srcdir)/stun COMMON_LDADD = $(top_builddir)/agent/libagent.la $(top_builddir)/socket/libsocket.la $(GLIB_LIBS) $(GUPNP_LIBS) check_PROGRAMS = \ test-pseudotcp \ test-bsd \ test \ test-address \ test-add-remove-stream \ test-priority \ test-mainloop \ test-fullmode \ test-restart \ test-fallback \ test-thread \ test-dribble \ test-new-dribble dist_check_SCRIPTS = \ check-test-fullmode-with-stun.sh \ test-pseudotcp-random.sh TESTS = $(check_PROGRAMS) $(dist_check_SCRIPTS) test_pseudotcp_LDADD = $(COMMON_LDADD) test_bsd_LDADD = $(COMMON_LDADD) test_LDADD = $(COMMON_LDADD) test_thread_LDADD = $(COMMON_LDADD) test_address_LDADD = $(COMMON_LDADD) test_add_remove_stream_LDADD = $(COMMON_LDADD) test_priority_LDADD = $(COMMON_LDADD) test_mainloop_LDADD = $(COMMON_LDADD) test_fullmode_LDADD = $(COMMON_LDADD) test_restart_LDADD = $(COMMON_LDADD) test_fallback_LDADD = $(COMMON_LDADD) test_dribble_LDADD = $(COMMON_LDADD) test_new_dribble_LDADD = $(COMMON_LDADD) all-local: chmod a+x $(srcdir)/check-test-fullmode-with-stun.sh chmod a+x $(srcdir)/test-pseudotcp-random.sh libnice-0.1.4/tests/test-address.c0000644000175000017500000001234611241364464013765 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2006, 2007 Collabora Ltd. * Contact: Dafydd Harries * (C) 2006, 2007 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Dafydd Harries, Collabora Ltd. * Kai Vehmanen, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include "address.h" static void test_ipv4 (void) { NiceAddress addr; NiceAddress other; gchar str[NICE_ADDRESS_STRING_LEN]; nice_address_init (&addr); nice_address_init (&other); nice_address_set_ipv4 (&addr, 0x01020304); g_assert (addr.s.ip4.sin_family == AF_INET); nice_address_to_string (&addr, str); g_assert (0 == strcmp (str, "1.2.3.4")); nice_address_to_string (&addr, str); /* same address */ nice_address_set_ipv4 (&other, 0x01020304); g_assert (TRUE == nice_address_equal (&addr, &other)); /* from sockaddr_in */ nice_address_set_port (&other, 9876); /* in native byte order */ other.s.ip4.sin_family = AF_INET; nice_address_set_from_string (&addr, "1.2.3.4"); nice_address_set_port (&addr, 9876); /* in native byte order */ nice_address_to_string (&addr, str); nice_address_to_string (&other, str); g_assert (TRUE == nice_address_equal (&addr, &other)); /* different IP */ nice_address_set_ipv4 (&other, 0x01020305); g_assert (FALSE == nice_address_equal (&addr, &other)); /* different port */ nice_address_set_ipv4 (&other, 0x01020304); nice_address_set_port (&addr, 1); g_assert (FALSE == nice_address_equal (&addr, &other)); /* test private address check */ { NiceAddress *heap_addr = nice_address_new (); g_assert (nice_address_set_from_string (heap_addr, "127.0.0.1") == TRUE); g_assert (nice_address_is_private (heap_addr) == TRUE); g_assert (nice_address_set_from_string (heap_addr, "127.0.0.1.1") != TRUE); nice_address_free (heap_addr); } } static void test_ipv6 (void) { NiceAddress addr, other, v4addr; gchar str[NICE_ADDRESS_STRING_LEN]; struct sockaddr_in6 sin, sin2; g_assert (nice_address_set_from_string (&v4addr, "172.1.0.1") == TRUE); memset (&sin, 0, sizeof (sin)); memset (&sin2, 0, sizeof (sin2)); memset (&addr, 0, sizeof (NiceAddress)); memset (&other, 0, sizeof (NiceAddress)); nice_address_init (&addr); nice_address_init (&other); nice_address_set_ipv6 (&addr, (guchar *) "\x00\x11\x22\x33" "\x44\x55\x66\x77" "\x88\x99\xaa\xbb" "\xcc\xdd\xee\xff"); g_assert (addr.s.ip6.sin6_family == AF_INET6); nice_address_to_string (&addr, str); g_assert (0 == strcmp (str, "11:2233:4455:6677:8899:aabb:ccdd:eeff")); nice_address_set_port (&addr, 9876); /* in native byte order */ nice_address_set_from_string (&other, "11:2233:4455:6677:8899:aabb:ccdd:eeff"); nice_address_set_port (&other, 9876); /* in native byte order */ nice_address_copy_to_sockaddr (&other, (struct sockaddr*)&sin2); nice_address_copy_to_sockaddr (&addr, (struct sockaddr*)&sin); g_assert (nice_address_equal (&addr, &other) == TRUE); nice_address_to_string (&addr, str); nice_address_to_string (&other, str); g_assert (memcmp (&sin, &sin2, sizeof(sin)) == 0); /* private IPv6 address */ nice_address_set_ipv6 (&addr, (guchar *) "\xfc\x00\x00\x00" "\x00\x00\x00\x00" "\x00\x00\x00\x00" "\x00\x00\x00\x01"); g_assert (nice_address_is_private (&addr) == TRUE); nice_address_set_ipv6 (&addr, (guchar *) "\x00\x00\x00\x00" "\x00\x00\x00\x00" "\x00\x00\x00\x00" "\x00\x00\x00\x01"); g_assert (nice_address_is_private (&addr) == TRUE); /* mismatching address families */ g_assert (nice_address_equal (&addr, &v4addr) != TRUE); /* mismatched type */ addr.s.addr.sa_family = AF_UNSPEC; /*g_assert (nice_address_equal (&addr, &v4addr) != TRUE);*/ } int main (void) { #ifdef G_OS_WIN32 WSADATA w; #endif #ifdef G_OS_WIN32 WSAStartup(0x0202, &w); #endif test_ipv4 (); test_ipv6 (); #ifdef G_OS_WIN32 WSACleanup(); #endif return 0; } libnice-0.1.4/tests/test-pseudotcp-random.sh0000775000175000017500000000020411750337061016005 00000000000000#!/bin/sh dd if=/dev/urandom of=rand count=1024 ibs=1024 ./test-pseudotcp rand rand-copy diff rand rand-copy rm -rf rand rand-copy libnice-0.1.4/tests/test-bsd.c0000664000175000017500000000611211724017264013103 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2006, 2007 Collabora Ltd. * Contact: Dafydd Harries * (C) 2006, 2007 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Dafydd Harries, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include "socket.h" int main (void) { NiceSocket *server; NiceSocket *client; NiceAddress tmp; gchar buf[5]; g_type_init (); server = nice_udp_bsd_socket_new (NULL); if (!server) g_assert_not_reached(); // not bound to a particular interface g_assert (server->addr.s.ip4.sin_addr.s_addr == 0); // is bound to a particular port g_assert (nice_address_get_port (&server->addr) != 0); g_assert ((client = nice_udp_bsd_socket_new (NULL)) != NULL); // not bound to a particular interface g_assert (client->addr.s.ip4.sin_addr.s_addr == 0); // is bound to a particular port g_assert (nice_address_get_port (&client->addr) != 0); if (!nice_address_set_from_string (&tmp, "127.0.0.1")) g_assert_not_reached(); g_assert (nice_address_get_port (&server->addr) != 0); nice_address_set_port (&tmp, nice_address_get_port (&server->addr)); g_assert (nice_address_get_port (&tmp) != 0); nice_socket_send (client, &tmp, 5, "hello"); g_assert (5 == nice_socket_recv (server, &tmp, 5, buf)); g_assert (0 == strncmp (buf, "hello", 5)); g_assert (nice_address_get_port (&tmp) == nice_address_get_port (&client->addr)); nice_socket_send (server, &tmp, 5, "uryyb"); g_assert (5 == nice_socket_recv (client, &tmp, 5, buf)); g_assert (0 == strncmp (buf, "uryyb", 5)); g_assert (nice_address_get_port (&tmp) == nice_address_get_port (&server->addr)); nice_socket_free (client); nice_socket_free (server); return 0; } libnice-0.1.4/tests/test-add-remove-stream.c0000664000175000017500000000502511725267677015671 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2006, 2007 Collabora Ltd. * Contact: Dafydd Harries * (C) 2006, 2007 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Dafydd Harries, Collabora Ltd. * Kai Vehmanen, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include #endif #include "agent.h" #include "agent-priv.h" #include int main (void) { NiceAgent *agent; NiceAddress addr; #ifdef G_OS_WIN32 WSADATA w; WSAStartup(0x0202, &w); #endif nice_address_init (&addr); g_type_init (); #if !GLIB_CHECK_VERSION(2,31,8) g_thread_init (NULL); #endif if (!nice_address_set_from_string (&addr, "127.0.0.1")) g_assert_not_reached (); agent = nice_agent_new (NULL, NICE_COMPATIBILITY_RFC5245); nice_agent_add_local_address (agent, &addr); g_assert (nice_agent_add_stream (agent, 1) == 1); g_assert (nice_agent_add_stream (agent, 10) == 2); g_assert (nice_agent_add_stream (agent, 2) == 3); g_assert (NULL != agent->streams); nice_agent_remove_stream (agent, 1); nice_agent_remove_stream (agent, 2); nice_agent_remove_stream (agent, 3); g_assert (NULL == agent->streams); g_object_unref (agent); #ifdef G_OS_WIN32 WSACleanup(); #endif return 0; } libnice-0.1.4/tests/test-fallback.c0000664000175000017500000005145211727420354014102 00000000000000/* * This file is part of the Nice GLib ICE library. * * Contains a unit test for functionality to fallback to non-ICE * operation if remote party does not support ICE. * * (C) 2007 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Kai Vehmanen, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include #endif #include "agent.h" #include "agent-priv.h" /* for testing purposes */ #include #include #ifdef _WIN32 #include #endif static NiceComponentState global_lagent_state = NICE_COMPONENT_STATE_LAST; static NiceComponentState global_ragent_state = NICE_COMPONENT_STATE_LAST; static guint global_components_ready = 0; static guint global_components_ready_exit = 0; static guint global_components_failed = 0; static guint global_components_failed_exit = 0; static GMainLoop *global_mainloop = NULL; static gboolean global_lagent_gathering_done = FALSE; static gboolean global_ragent_gathering_done = FALSE; static gboolean global_lagent_ibr_received = FALSE; static gboolean global_ragent_ibr_received = FALSE; static int global_lagent_cands = 0; static int global_ragent_cands = 0; static gint global_ragent_read = 0; static gint global_ragent_read_exit = 0; static gboolean global_accept_non_data = TRUE; static void priv_print_global_status (void) { g_debug ("\tgathering_done=%d", global_lagent_gathering_done && global_ragent_gathering_done); g_debug ("\tlstate=%d", global_lagent_state); g_debug ("\trstate=%d", global_ragent_state); } static gboolean timer_cb (gpointer pointer) { g_debug ("test-fallback:%s: %p", G_STRFUNC, pointer); /* signal status via a global variable */ /* note: should not be reached, abort */ g_error ("ERROR: test has got stuck, aborting..."); return FALSE; } static void cb_nice_recv (NiceAgent *agent, guint stream_id, guint component_id, guint len, gchar *buf, gpointer user_data) { g_debug ("test-fallback:%s: %p", G_STRFUNC, user_data); /* XXX: dear compiler, these are for you: */ (void)agent; (void)stream_id; (void)component_id; (void)buf; /* * Lets ignore stun packets that got through */ if (len != 16 || strncmp ("1234567812345678", buf, 16)) { if (global_accept_non_data) return; else g_error ("Got non-data packet of lenght %u", len); } if ((intptr_t)user_data == 2) { global_ragent_read += len; if (global_ragent_read == global_ragent_read_exit) g_main_loop_quit (global_mainloop); } } static void cb_candidate_gathering_done(NiceAgent *agent, guint stream_id, gpointer data) { g_debug ("test-fallback:%s: %p", G_STRFUNC, data); if ((intptr_t)data == 1) global_lagent_gathering_done = TRUE; else if ((intptr_t)data == 2) global_ragent_gathering_done = TRUE; if (global_lagent_gathering_done && global_ragent_gathering_done) g_main_loop_quit (global_mainloop); /* XXX: dear compiler, these are for you: */ (void)agent; } static void cb_component_state_changed (NiceAgent *agent, guint stream_id, guint component_id, guint state, gpointer data) { g_debug ("test-fallback:%s: %p", G_STRFUNC, data); if ((intptr_t)data == 1) global_lagent_state = state; else if ((intptr_t)data == 2) global_ragent_state = state; if (state == NICE_COMPONENT_STATE_READY) global_components_ready++; if (state == NICE_COMPONENT_STATE_FAILED) global_components_failed++; g_debug ("test-fallback: READY %u exit at %u.", global_components_ready, global_components_ready_exit); /* signal status via a global variable */ if (global_components_ready == global_components_ready_exit) { g_main_loop_quit (global_mainloop); return; } /* signal status via a global variable */ if (global_components_failed == global_components_failed_exit) { g_main_loop_quit (global_mainloop); return; } /* XXX: dear compiler, these are for you: */ (void)agent; (void)stream_id; (void)data; (void)component_id; } static void cb_new_selected_pair(NiceAgent *agent, guint stream_id, guint component_id, gchar *lfoundation, gchar* rfoundation, gpointer data) { g_debug ("test-fallback:%s: %p", G_STRFUNC, data); if ((intptr_t)data == 1) ++global_lagent_cands; else if ((intptr_t)data == 2) ++global_ragent_cands; /* XXX: dear compiler, these are for you: */ (void)agent; (void)stream_id; (void)component_id; (void)lfoundation; (void)rfoundation; } static void cb_new_candidate(NiceAgent *agent, guint stream_id, guint component_id, gchar *foundation, gpointer data) { g_debug ("test-fallback:%s: %p", G_STRFUNC, data); /* XXX: dear compiler, these are for you: */ (void)agent; (void)stream_id; (void)data; (void)component_id; (void)foundation; } static void cb_initial_binding_request_received(NiceAgent *agent, guint stream_id, gpointer data) { g_debug ("test-fallback:%s: %p", G_STRFUNC, data); if ((intptr_t)data == 1) global_lagent_ibr_received = TRUE; else if ((intptr_t)data == 2) global_ragent_ibr_received = TRUE; /* XXX: dear compiler, these are for you: */ (void)agent; (void)stream_id; (void)data; } static void priv_get_local_addr (NiceAgent *agent, guint stream_id, guint component_id, NiceAddress *dstaddr) { GSList *cands, *i; cands = nice_agent_get_local_candidates(agent, stream_id, component_id); for (i = cands; i; i = i->next) { NiceCandidate *cand = i->data; if (cand) { g_assert (dstaddr); *dstaddr = cand->addr; break; } } for (i = cands; i; i = i->next) nice_candidate_free ((NiceCandidate *) i->data); g_slist_free (cands); } static int run_fallback_test (NiceAgent *lagent, NiceAgent *ragent, NiceAddress *baseaddr) { NiceAddress laddr, raddr, laddr_rtcp, raddr_rtcp; NiceCandidate cdes; GSList *cands; guint ls_id, rs_id; memset (&cdes, 0, sizeof(NiceCandidate)); cdes.priority = 100000; strcpy (cdes.foundation, "1"); cdes.type = NICE_CANDIDATE_TYPE_HOST; cdes.transport = NICE_CANDIDATE_TRANSPORT_UDP; cdes.base_addr = *baseaddr; /* step: initialize variables modified by the callbacks */ global_components_ready = 0; global_components_ready_exit = 4; global_components_failed = 0; global_components_failed_exit = 4; global_lagent_gathering_done = FALSE; global_ragent_gathering_done = FALSE; global_lagent_ibr_received = global_ragent_ibr_received = FALSE; global_lagent_cands = global_ragent_cands = 0; global_ragent_read_exit = -1; g_object_set (G_OBJECT (lagent), "controlling-mode", TRUE, NULL); g_object_set (G_OBJECT (ragent), "controlling-mode", FALSE, NULL); /* step: add one stream, with RTP+RTCP components, to each agent */ ls_id = nice_agent_add_stream (lagent, 2); rs_id = nice_agent_add_stream (ragent, 2); g_assert (ls_id > 0); g_assert (rs_id > 0); nice_agent_gather_candidates (lagent, ls_id); nice_agent_gather_candidates (ragent, rs_id); /* step: attach to mainloop (needed to register the fds) */ nice_agent_attach_recv (lagent, ls_id, NICE_COMPONENT_TYPE_RTP, g_main_loop_get_context (global_mainloop), cb_nice_recv, (gpointer)1); nice_agent_attach_recv (lagent, ls_id, NICE_COMPONENT_TYPE_RTCP, g_main_loop_get_context (global_mainloop), cb_nice_recv, (gpointer)1); nice_agent_attach_recv (ragent, rs_id, NICE_COMPONENT_TYPE_RTP, g_main_loop_get_context (global_mainloop), cb_nice_recv, (gpointer)2); nice_agent_attach_recv (ragent, rs_id, NICE_COMPONENT_TYPE_RTCP, g_main_loop_get_context (global_mainloop), cb_nice_recv, (gpointer)2); /* step: run mainloop until local candidates are ready * (see timer_cb() above) */ if (global_lagent_gathering_done != TRUE || global_ragent_gathering_done != TRUE) { g_debug ("test-fallback: Added streams, running mainloop until 'candidate-gathering-done'..."); g_main_loop_run (global_mainloop); g_assert (global_lagent_gathering_done == TRUE); g_assert (global_ragent_gathering_done == TRUE); } /* step: find out the local candidates of each agent */ priv_get_local_addr (ragent, rs_id, NICE_COMPONENT_TYPE_RTP, &raddr); g_debug ("test-fallback: local RTP port R %u", nice_address_get_port (&raddr)); priv_get_local_addr (lagent, ls_id, NICE_COMPONENT_TYPE_RTP, &laddr); g_debug ("test-fallback: local RTP port L %u", nice_address_get_port (&laddr)); priv_get_local_addr (ragent, rs_id, NICE_COMPONENT_TYPE_RTCP, &raddr_rtcp); g_debug ("test-fallback: local RTCP port R %u", nice_address_get_port (&raddr_rtcp)); priv_get_local_addr (lagent, ls_id, NICE_COMPONENT_TYPE_RTCP, &laddr_rtcp); g_debug ("test-fallback: local RTCP port L %u", nice_address_get_port (&laddr_rtcp)); /* step: exchange candidate information but not the credentials */ cands = g_slist_append (NULL, &cdes); cdes.component_id = NICE_COMPONENT_TYPE_RTP; cdes.addr = raddr; nice_agent_set_remote_candidates (lagent, ls_id, NICE_COMPONENT_TYPE_RTP, cands); cdes.addr = laddr; nice_agent_set_remote_candidates (ragent, rs_id, NICE_COMPONENT_TYPE_RTP, cands); cdes.component_id = NICE_COMPONENT_TYPE_RTCP; cdes.addr = raddr_rtcp; nice_agent_set_remote_candidates (lagent, ls_id, NICE_COMPONENT_TYPE_RTCP, cands); cdes.addr = laddr_rtcp; nice_agent_set_remote_candidates (ragent, rs_id, NICE_COMPONENT_TYPE_RTCP, cands); /* step: fall back to non-ICE mode on both sides */ g_assert (nice_agent_set_selected_pair (lagent, ls_id, NICE_COMPONENT_TYPE_RTP, "1", "1") == TRUE); g_assert (nice_agent_set_selected_pair (lagent, ls_id, NICE_COMPONENT_TYPE_RTCP, "1", "1") == TRUE); g_assert (nice_agent_set_selected_pair (ragent, rs_id, NICE_COMPONENT_TYPE_RTP, "1", "1") == TRUE); g_assert (nice_agent_set_selected_pair (ragent, rs_id, NICE_COMPONENT_TYPE_RTCP, "1", "1") == TRUE); g_debug ("test-fallback: Requested for fallback, running mainloop until component state change is completed..."); /* step: run the mainloop until connectivity checks succeed * (see timer_cb() above) */ if (global_components_ready < global_components_ready_exit) g_main_loop_run (global_mainloop); /* note: verify that agents are in correct state */ g_assert (global_lagent_state == NICE_COMPONENT_STATE_READY); g_assert (global_ragent_state == NICE_COMPONENT_STATE_READY); /* step: next send a packet -> should work even if no ICE processing * has been done */ g_debug ("test-fallback: Sent a payload packet, run mainloop until packet received."); /* step: send a new test packet from L ot R */ global_ragent_read = 0; g_assert (nice_agent_send (lagent, ls_id, 1, 16, "1234567812345678") == 16); global_ragent_read_exit = 16; g_main_loop_run (global_mainloop); /* note: verify that payload was succesfully received */ g_assert (global_ragent_read == 16); g_debug ("test-fallback: Ran mainloop, removing streams..."); /* step: clean up resources and exit */ g_slist_free (cands); nice_agent_remove_stream (lagent, ls_id); nice_agent_remove_stream (ragent, rs_id); g_debug ("test-fallback: test COMPLETED"); return 0; } static int run_safe_fallback_test (NiceAgent *lagent, NiceAgent *ragent, NiceAddress *baseaddr) { NiceAddress laddr, raddr, laddr_rtcp, raddr_rtcp; NiceCandidate cdes; guint ls_id, rs_id; memset (&cdes, 0, sizeof(NiceCandidate)); cdes.priority = 100000; strcpy (cdes.foundation, "1"); cdes.type = NICE_CANDIDATE_TYPE_HOST; cdes.transport = NICE_CANDIDATE_TRANSPORT_UDP; cdes.base_addr = *baseaddr; /* step: initialize variables modified by the callbacks */ global_components_ready = 0; global_components_ready_exit = 4; global_components_failed = 0; global_components_failed_exit = 4; global_lagent_gathering_done = FALSE; global_ragent_gathering_done = FALSE; global_lagent_ibr_received = global_ragent_ibr_received = FALSE; global_lagent_cands = global_ragent_cands = 0; global_ragent_read_exit = -1; global_accept_non_data = FALSE; g_object_set (G_OBJECT (lagent), "controlling-mode", TRUE, NULL); g_object_set (G_OBJECT (ragent), "controlling-mode", FALSE, NULL); /* step: add one stream, with RTP+RTCP components, to each agent */ ls_id = nice_agent_add_stream (lagent, 2); rs_id = nice_agent_add_stream (ragent, 2); g_assert (ls_id > 0); g_assert (rs_id > 0); nice_agent_gather_candidates (lagent, ls_id); nice_agent_gather_candidates (ragent, rs_id); /* step: attach to mainloop (needed to register the fds) */ nice_agent_attach_recv (lagent, ls_id, NICE_COMPONENT_TYPE_RTP, g_main_loop_get_context (global_mainloop), cb_nice_recv, (gpointer)1); nice_agent_attach_recv (lagent, ls_id, NICE_COMPONENT_TYPE_RTCP, g_main_loop_get_context (global_mainloop), cb_nice_recv, (gpointer)1); nice_agent_attach_recv (ragent, rs_id, NICE_COMPONENT_TYPE_RTP, g_main_loop_get_context (global_mainloop), cb_nice_recv, (gpointer)2); nice_agent_attach_recv (ragent, rs_id, NICE_COMPONENT_TYPE_RTCP, g_main_loop_get_context (global_mainloop), cb_nice_recv, (gpointer)2); /* step: run mainloop until local candidates are ready * (see timer_cb() above) */ if (global_lagent_gathering_done != TRUE || global_ragent_gathering_done != TRUE) { g_debug ("test-fallback: Added streams, running mainloop until 'candidate-gathering-done'..."); g_main_loop_run (global_mainloop); g_assert (global_lagent_gathering_done == TRUE); g_assert (global_ragent_gathering_done == TRUE); } /* step: find out the local candidates of each agent */ priv_get_local_addr (ragent, rs_id, NICE_COMPONENT_TYPE_RTP, &raddr); g_debug ("test-fallback: local RTP port R %u", nice_address_get_port (&raddr)); priv_get_local_addr (lagent, ls_id, NICE_COMPONENT_TYPE_RTP, &laddr); g_debug ("test-fallback: local RTP port L %u", nice_address_get_port (&laddr)); priv_get_local_addr (ragent, rs_id, NICE_COMPONENT_TYPE_RTCP, &raddr_rtcp); g_debug ("test-fallback: local RTCP port R %u", nice_address_get_port (&raddr_rtcp)); priv_get_local_addr (lagent, ls_id, NICE_COMPONENT_TYPE_RTCP, &laddr_rtcp); g_debug ("test-fallback: local RTCP port L %u", nice_address_get_port (&laddr_rtcp)); /* step: exchange candidate information but not the credentials */ cdes.component_id = NICE_COMPONENT_TYPE_RTP; cdes.addr = raddr; g_assert (nice_agent_set_selected_remote_candidate (lagent, ls_id, NICE_COMPONENT_TYPE_RTP, &cdes)); cdes.addr = laddr; g_assert (nice_agent_set_selected_remote_candidate (ragent, rs_id, NICE_COMPONENT_TYPE_RTP, &cdes)); cdes.component_id = NICE_COMPONENT_TYPE_RTCP; cdes.addr = raddr_rtcp; g_assert (nice_agent_set_selected_remote_candidate (lagent, ls_id, NICE_COMPONENT_TYPE_RTCP, &cdes)); cdes.addr = laddr_rtcp; g_assert (nice_agent_set_selected_remote_candidate (ragent, rs_id, NICE_COMPONENT_TYPE_RTCP, &cdes)); g_debug ("test-fallback: Requested for fallback, running mainloop until component state change is completed..."); /* step: run the mainloop until connectivity checks succeed * (see timer_cb() above) */ if (global_components_ready < global_components_ready_exit) g_main_loop_run (global_mainloop); /* note: verify that agents are in correct state */ g_assert (global_lagent_state == NICE_COMPONENT_STATE_READY); g_assert (global_ragent_state == NICE_COMPONENT_STATE_READY); /* step: next send a packet -> should work even if no ICE processing * has been done */ g_debug ("test-fallback: Sent a payload packet, run mainloop until packet received."); /* step: send a new test packet from L ot R */ global_ragent_read = 0; g_assert (nice_agent_send (lagent, ls_id, 1, 16, "1234567812345678") == 16); global_ragent_read_exit = 16; g_main_loop_run (global_mainloop); /* note: verify that payload was succesfully received */ g_assert (global_ragent_read == 16); g_debug ("test-fallback: Ran mainloop, removing streams..."); /* step: clean up resources and exit */ nice_agent_remove_stream (lagent, ls_id); nice_agent_remove_stream (ragent, rs_id); g_debug ("test-fallback: test COMPLETED"); return 0; } int main (void) { NiceAgent *lagent, *ragent; /* agent's L and R */ NiceAddress baseaddr; int result; guint timer_id; const char *stun_server = NULL, *stun_server_port = NULL; #ifdef G_OS_WIN32 WSADATA w; WSAStartup(0x0202, &w); #endif g_type_init (); #if !GLIB_CHECK_VERSION(2,31,8) g_thread_init (NULL); #endif global_mainloop = g_main_loop_new (NULL, FALSE); /* Note: impl limits ... * - no multi-stream support * - no IPv6 support */ /* step: create the agents L and R */ lagent = nice_agent_new (g_main_loop_get_context (global_mainloop), NICE_COMPATIBILITY_RFC5245); ragent = nice_agent_new (g_main_loop_get_context (global_mainloop), NICE_COMPATIBILITY_RFC5245); /* step: add a timer to catch state changes triggered by signals */ timer_id = g_timeout_add (30000, timer_cb, NULL); /* step: specify which local interface to use */ if (!nice_address_set_from_string (&baseaddr, "127.0.0.1")) g_assert_not_reached (); nice_agent_add_local_address (lagent, &baseaddr); nice_agent_add_local_address (ragent, &baseaddr); g_signal_connect (G_OBJECT (lagent), "candidate-gathering-done", G_CALLBACK (cb_candidate_gathering_done), (gpointer)1); g_signal_connect (G_OBJECT (ragent), "candidate-gathering-done", G_CALLBACK (cb_candidate_gathering_done), (gpointer)2); g_signal_connect (G_OBJECT (lagent), "component-state-changed", G_CALLBACK (cb_component_state_changed), (gpointer)1); g_signal_connect (G_OBJECT (ragent), "component-state-changed", G_CALLBACK (cb_component_state_changed), (gpointer)2); g_signal_connect (G_OBJECT (lagent), "new-selected-pair", G_CALLBACK (cb_new_selected_pair), (gpointer)1); g_signal_connect (G_OBJECT (ragent), "new-selected-pair", G_CALLBACK (cb_new_selected_pair), (gpointer)2); g_signal_connect (G_OBJECT (lagent), "new-candidate", G_CALLBACK (cb_new_candidate), (gpointer)1); g_signal_connect (G_OBJECT (ragent), "new-candidate", G_CALLBACK (cb_new_candidate), (gpointer)2); g_signal_connect (G_OBJECT (lagent), "initial-binding-request-received", G_CALLBACK (cb_initial_binding_request_received), (gpointer)1); g_signal_connect (G_OBJECT (ragent), "initial-binding-request-received", G_CALLBACK (cb_initial_binding_request_received), (gpointer)2); stun_server = getenv ("NICE_STUN_SERVER"); stun_server_port = getenv ("NICE_STUN_SERVER_PORT"); if (stun_server) { g_object_set (G_OBJECT (lagent), "stun-server", stun_server, NULL); g_object_set (G_OBJECT (lagent), "stun-server-port", atoi (stun_server_port), NULL); g_object_set (G_OBJECT (ragent), "stun-server", stun_server, NULL); g_object_set (G_OBJECT (ragent), "stun-server-port", atoi (stun_server_port), NULL); } /* step: run test the first time */ g_debug ("test-fallback: TEST STARTS / fallback test"); result = run_fallback_test (lagent, ragent, &baseaddr); priv_print_global_status (); g_assert (result == 0); g_assert (global_lagent_state == NICE_COMPONENT_STATE_READY); g_assert (global_ragent_state == NICE_COMPONENT_STATE_READY); /* step: run the safe test without sending any stnu */ g_debug ("test-fallback: TEST STARTS / safe fallback test"); result = run_safe_fallback_test (lagent, ragent, &baseaddr); priv_print_global_status (); g_assert (result == 0); g_assert (global_lagent_state == NICE_COMPONENT_STATE_READY); g_assert (global_ragent_state == NICE_COMPONENT_STATE_READY); g_object_unref (lagent); g_object_unref (ragent); g_main_loop_unref (global_mainloop); global_mainloop = NULL; g_source_remove (timer_id); #ifdef G_OS_WIN32 WSACleanup(); #endif return result; } libnice-0.1.4/tests/test-dribble.c0000664000175000017500000003401712015267630013741 00000000000000/* * This file is part of the Nice GLib ICE library. * * Unit test for ICE in dribble mode (adding remote candidates while the * machine is running). * * (C) 2007 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Kai Vehmanen, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include #endif #include "agent.h" #include #include static NiceComponentState global_lagent_state = NICE_COMPONENT_STATE_LAST; static NiceComponentState global_ragent_state = NICE_COMPONENT_STATE_LAST; static guint global_components_ready = 0; static guint global_components_ready_exit = 0; static guint global_components_failed = 0; static guint global_components_failed_exit = 0; static GMainLoop *global_mainloop = NULL; static gboolean global_lagent_gathering_done = FALSE; static gboolean global_ragent_gathering_done = FALSE; static gboolean global_lagent_ibr_received = FALSE; static gboolean global_ragent_ibr_received = FALSE; static int global_lagent_cands = 0; static int global_ragent_cands = 0; static gint global_ragent_read = 0; static void priv_print_global_status (void) { g_debug ("\tgathering_done=%d", global_lagent_gathering_done && global_ragent_gathering_done); g_debug ("\tlstate=%d", global_lagent_state); g_debug ("\trstate=%d", global_ragent_state); g_debug ("\tL cands=%d R cands=%d", global_lagent_cands, global_ragent_cands); } static gboolean timer_cb (gpointer pointer) { g_debug ("test-dribble:%s: %p", G_STRFUNC, pointer); /* signal status via a global variable */ /* note: should not be reached, abort */ g_error ("ERROR: test has got stuck, aborting..."); return FALSE; } static gboolean quit_loop_cb (gpointer pointer) { g_debug ("test-dribble:%s: %p", G_STRFUNC, pointer); g_main_loop_quit (global_mainloop); return FALSE; } static void cb_nice_recv (NiceAgent *agent, guint stream_id, guint component_id, guint len, gchar *buf, gpointer user_data) { g_debug ("test-dribble:%s: %p", G_STRFUNC, user_data); /* XXX: dear compiler, these are for you: */ (void)agent; (void)stream_id; (void)component_id; (void)buf; /* * Lets ignore stun packets that got through */ if (len < 8) return; if (strncmp ("12345678", buf, 8)) return; if (GPOINTER_TO_UINT (user_data) == 2) { global_ragent_read = len; g_main_loop_quit (global_mainloop); } } static void cb_candidate_gathering_done(NiceAgent *agent, guint stream_id, gpointer data) { g_debug ("test-dribble:%s: %p", G_STRFUNC, data); if (GPOINTER_TO_UINT (data) == 1) global_lagent_gathering_done = TRUE; else if (GPOINTER_TO_UINT (data) == 2) global_ragent_gathering_done = TRUE; if (global_lagent_gathering_done && global_ragent_gathering_done) g_main_loop_quit (global_mainloop); /* XXX: dear compiler, these are for you: */ (void)agent; } static void cb_component_state_changed (NiceAgent *agent, guint stream_id, guint component_id, guint state, gpointer data) { g_debug ("test-dribble:%s: %p", G_STRFUNC, data); if (GPOINTER_TO_UINT (data) == 1) global_lagent_state = state; else if (GPOINTER_TO_UINT (data) == 2) global_ragent_state = state; if (state == NICE_COMPONENT_STATE_READY) global_components_ready++; if (state == NICE_COMPONENT_STATE_FAILED) global_components_failed++; g_debug ("test-dribble: checks READY/EXIT-AT %u/%u.", global_components_ready, global_components_ready_exit); g_debug ("test-dribble: checks FAILED/EXIT-AT %u/%u.", global_components_failed, global_components_failed_exit); /* signal status via a global variable */ if (global_components_ready == global_components_ready_exit && global_components_failed == global_components_failed_exit) { g_main_loop_quit (global_mainloop); return; } /* XXX: dear compiler, these are for you: */ (void)agent; (void)stream_id; (void)data; (void)component_id; } static void cb_new_selected_pair(NiceAgent *agent, guint stream_id, guint component_id, gchar *lfoundation, gchar* rfoundation, gpointer data) { g_debug ("test-dribble:%s: %p", G_STRFUNC, data); if (GPOINTER_TO_UINT (data) == 1) ++global_lagent_cands; else if (GPOINTER_TO_UINT (data) == 2) ++global_ragent_cands; /* XXX: dear compiler, these are for you: */ (void)agent; (void)stream_id; (void)component_id; (void)lfoundation; (void)rfoundation; } static void cb_new_candidate(NiceAgent *agent, guint stream_id, guint component_id, gchar *foundation, gpointer data) { g_debug ("test-dribble:%s: %p", G_STRFUNC, data); /* XXX: dear compiler, these are for you: */ (void)agent; (void)stream_id; (void)data; (void)component_id; (void)foundation; } static void cb_initial_binding_request_received(NiceAgent *agent, guint stream_id, gpointer data) { g_debug ("test-dribble:%s: %p", G_STRFUNC, data); if (GPOINTER_TO_UINT (data) == 1) global_lagent_ibr_received = TRUE; else if (GPOINTER_TO_UINT (data) == 2) global_ragent_ibr_received = TRUE; /* XXX: dear compiler, these are for you: */ (void)agent; (void)stream_id; (void)data; } int main (void) { NiceAgent *lagent, *ragent; /* agent's L and R */ NiceAddress baseaddr; guint timer_id; GSList *cands, *i; guint ls_id, rs_id; #ifdef G_OS_WIN32 WSADATA w; WSAStartup(0x0202, &w); #endif g_type_init (); #if !GLIB_CHECK_VERSION(2,31,8) g_thread_init (NULL); #endif global_mainloop = g_main_loop_new (NULL, FALSE); /* step: create the agents L and R */ lagent = nice_agent_new (g_main_loop_get_context (global_mainloop), NICE_COMPATIBILITY_GOOGLE); ragent = nice_agent_new (g_main_loop_get_context (global_mainloop), NICE_COMPATIBILITY_GOOGLE); if (!nice_address_set_from_string (&baseaddr, "127.0.0.1")) g_assert_not_reached (); nice_agent_add_local_address (lagent, &baseaddr); nice_agent_add_local_address (ragent, &baseaddr); /* step: add a timer to catch state changes triggered by signals */ timer_id = g_timeout_add (30000, timer_cb, NULL); g_signal_connect (G_OBJECT (lagent), "candidate-gathering-done", G_CALLBACK (cb_candidate_gathering_done), GUINT_TO_POINTER(1)); g_signal_connect (G_OBJECT (ragent), "candidate-gathering-done", G_CALLBACK (cb_candidate_gathering_done), GUINT_TO_POINTER (2)); g_signal_connect (G_OBJECT (lagent), "component-state-changed", G_CALLBACK (cb_component_state_changed), GUINT_TO_POINTER (1)); g_signal_connect (G_OBJECT (ragent), "component-state-changed", G_CALLBACK (cb_component_state_changed), GUINT_TO_POINTER (2)); g_signal_connect (G_OBJECT (lagent), "new-selected-pair", G_CALLBACK (cb_new_selected_pair), GUINT_TO_POINTER(1)); g_signal_connect (G_OBJECT (ragent), "new-selected-pair", G_CALLBACK (cb_new_selected_pair), GUINT_TO_POINTER (2)); g_signal_connect (G_OBJECT (lagent), "new-candidate", G_CALLBACK (cb_new_candidate), GUINT_TO_POINTER (1)); g_signal_connect (G_OBJECT (ragent), "new-candidate", G_CALLBACK (cb_new_candidate), GUINT_TO_POINTER (2)); g_signal_connect (G_OBJECT (lagent), "initial-binding-request-received", G_CALLBACK (cb_initial_binding_request_received), GUINT_TO_POINTER (1)); g_signal_connect (G_OBJECT (ragent), "initial-binding-request-received", G_CALLBACK (cb_initial_binding_request_received), GUINT_TO_POINTER (2)); /* step: run test */ g_debug ("test-dribble: running test"); /* step: initialize variables modified by the callbacks */ global_components_ready = 0; global_components_ready_exit = 2; global_components_failed = 0; global_components_failed_exit = 0; global_lagent_gathering_done = FALSE; global_ragent_gathering_done = FALSE; global_lagent_ibr_received = global_ragent_ibr_received = FALSE; global_lagent_cands = global_ragent_cands = 0; g_object_set (G_OBJECT (lagent), "controlling-mode", TRUE, NULL); g_object_set (G_OBJECT (ragent), "controlling-mode", FALSE, NULL); /* step: add one stream, with RTP+RTCP components, to each agent */ ls_id = nice_agent_add_stream (lagent, 1); rs_id = nice_agent_add_stream (ragent, 1); g_assert (ls_id > 0); g_assert (rs_id > 0); nice_agent_gather_candidates (lagent, ls_id); nice_agent_gather_candidates (ragent, rs_id); /* step: attach to mainloop (needed to register the fds) */ nice_agent_attach_recv (lagent, ls_id, NICE_COMPONENT_TYPE_RTP, g_main_loop_get_context (global_mainloop), cb_nice_recv, GUINT_TO_POINTER (1)); nice_agent_attach_recv (ragent, rs_id, NICE_COMPONENT_TYPE_RTP, g_main_loop_get_context (global_mainloop), cb_nice_recv, GUINT_TO_POINTER (2)); /* step: run mainloop until local candidates are ready * (see timer_cb() above) */ if (global_lagent_gathering_done != TRUE || global_ragent_gathering_done != TRUE) { g_debug ("test-dribble: Added streams, running mainloop until 'candidate-gathering-done'..."); g_main_loop_run (global_mainloop); g_assert (global_lagent_gathering_done == TRUE); g_assert (global_ragent_gathering_done == TRUE); } { gchar *ufrag = NULL, *password = NULL; nice_agent_get_local_credentials(lagent, ls_id, &ufrag, &password); nice_agent_set_remote_credentials (ragent, rs_id, ufrag, password); g_free (ufrag); g_free (password); nice_agent_get_local_credentials(ragent, rs_id, &ufrag, &password); nice_agent_set_remote_credentials (lagent, ls_id, ufrag, password); g_free (ufrag); g_free (password); } cands = nice_agent_get_local_candidates (ragent, rs_id, NICE_COMPONENT_TYPE_RTP); nice_agent_set_remote_candidates (lagent, ls_id, NICE_COMPONENT_TYPE_RTP, cands); for (i = cands; i; i = i->next) nice_candidate_free ((NiceCandidate *) i->data); g_slist_free (cands); cands = nice_agent_get_local_candidates (lagent, ls_id, NICE_COMPONENT_TYPE_RTP); nice_agent_set_remote_candidates (ragent, rs_id, NICE_COMPONENT_TYPE_RTP, cands); for (i = cands; i; i = i->next) nice_candidate_free ((NiceCandidate *) i->data); g_slist_free (cands); g_debug ("test-dribble: Set properties, next running mainloop until connectivity checks succeed..."); /* step: run the mainloop until connectivity checks succeed * (see timer_cb() above) */ g_main_loop_run (global_mainloop); /* note: verify that STUN binding requests were sent */ g_assert (global_lagent_ibr_received == TRUE); g_assert (global_ragent_ibr_received == TRUE); g_assert (global_lagent_state == NICE_COMPONENT_STATE_READY); g_assert (global_ragent_state == NICE_COMPONENT_STATE_READY); /* note: verify that correct number of local candidates were reported */ g_assert (global_lagent_cands == 1); g_assert (global_ragent_cands == 1); g_debug ("test-dribble: agents are ready.. now adding new buggy candidate"); g_timeout_add (500, quit_loop_cb, NULL); g_main_loop_run (global_mainloop); global_components_ready--; cands = nice_agent_get_local_candidates (ragent, rs_id, NICE_COMPONENT_TYPE_RTP); nice_address_set_port(&((NiceCandidate *) cands->data)->addr, 80); nice_agent_set_remote_candidates (lagent, ls_id, NICE_COMPONENT_TYPE_RTP, cands); for (i = cands; i; i = i->next) nice_candidate_free ((NiceCandidate *) i->data); g_slist_free (cands); g_assert (global_lagent_state == NICE_COMPONENT_STATE_CONNECTED); g_main_loop_run (global_mainloop); g_assert (global_lagent_state == NICE_COMPONENT_STATE_READY); /* g_debug ("test-dribble: buggy candidate worked, testing lower priority cand"); cands = nice_agent_get_local_candidates (ragent, rs_id, NICE_COMPONENT_TYPE_RTP); nice_address_set_port(&((NiceCandidate *) cands->data)->addr, 80); ((NiceCandidate *) cands->data)->priority -= 100; nice_agent_set_remote_candidates (lagent, ls_id, NICE_COMPONENT_TYPE_RTP, cands); for (i = cands; i; i = i->next) nice_candidate_free ((NiceCandidate *) i->data); g_slist_free (cands); g_assert (global_lagent_state == NICE_COMPONENT_STATE_READY);*/ /* note: test payload send and receive */ global_ragent_read = 0; g_assert (nice_agent_send (lagent, ls_id, 1, 16, "1234567812345678") == 16); g_main_loop_run (global_mainloop); g_assert (global_ragent_read == 16); g_debug ("test-dribble: Ran mainloop, removing streams..."); /* step: clean up resources and exit */ nice_agent_remove_stream (lagent, ls_id); nice_agent_remove_stream (ragent, rs_id); priv_print_global_status (); g_assert (global_lagent_state == NICE_COMPONENT_STATE_READY); g_assert (global_ragent_state >= NICE_COMPONENT_STATE_CONNECTED); /* note: verify that correct number of local candidates were reported */ g_assert (global_lagent_cands == 1); g_assert (global_ragent_cands == 1); g_object_unref (lagent); g_object_unref (ragent); g_main_loop_unref (global_mainloop); global_mainloop = NULL; g_source_remove (timer_id); #ifdef G_OS_WIN32 WSACleanup(); #endif return 0; } libnice-0.1.4/Makefile.am0000664000175000017500000000214612103056160012075 00000000000000# # Makefile.am for the Nice Glib ICE library # # (C) 2006, 2007 Collabora Ltd. # (C) 2006, 2007 Nokia Corporation. All rights reserved. # # Licensed under MPL 1.1/LGPL 2.1. See file COPYING. include common.mk SUBDIRS = \ stun \ socket \ random \ agent \ nice \ gst \ docs \ tests \ examples DISTCHECK_CONFIGURE_FLAGS = --disable-assert -enable-gtk-doc EXTRA_DIST = \ COPYING.LGPL \ COPYING.MPL \ autogen.sh \ common.mk \ scripts/lcov.mk \ scripts/lcov.sh \ scripts/valgrind.sh \ win32 dist_check_SCRIPTS = \ scripts/check-symbols.sh \ scripts/make-symbol-list.sh lcov: find -name '*.gcda' -delete $(MAKE) $(AM_MAKEFLAGS) check find -type d -name '.libs' | while read d ; do \ mv -fv $$d/*.gc* $$d/.. 2>/dev/null || true ; \ done $(MAKE) lcov-report lcov-report: mkdir -p lcov lcov -d . -c > lcov/lcov.info lcov -l lcov/lcov.info 2>/dev/null | \ egrep '(^/usr|/test.*\.c)' | \ cut -d: -f1 > lcov/lcov.remove lcov -r lcov/lcov.info `cat lcov/lcov.remove` 2>/dev/null > lcov/lcov.info.clean genhtml -o lcov lcov/lcov.info.clean clean-local: rm -rf doc .PHONY: doc lcov-report lcov libnice-0.1.4/gtk-doc.make0000644000175000017500000002061311625536226012243 00000000000000# -*- mode: makefile -*- #################################### # Everything below here is generic # #################################### if GTK_DOC_USE_LIBTOOL GTKDOC_CC = $(LIBTOOL) --tag=CC --mode=compile $(CC) $(INCLUDES) $(GTKDOC_DEPS_CFLAGS) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) GTKDOC_LD = $(LIBTOOL) --tag=CC --mode=link $(CC) $(GTKDOC_DEPS_LIBS) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) GTKDOC_RUN = $(LIBTOOL) --mode=execute else GTKDOC_CC = $(CC) $(INCLUDES) $(GTKDOC_DEPS_CFLAGS) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) GTKDOC_LD = $(CC) $(GTKDOC_DEPS_LIBS) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) GTKDOC_RUN = endif # We set GPATH here; 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You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ /* * Example using libnice to negotiate a UDP connection between two clients, * possibly on the same network or behind different NATs and/or stateful * firewalls. * * Build: * gcc -o sdp-example sdp-example.c `pkg-config --cflags --libs nice` * * Run two clients, one controlling and one controlled: * sdp-example 0 $(host -4 -t A stun.stunprotocol.org | awk '{ print $4 }') * sdp-example 1 $(host -4 -t A stun.stunprotocol.org | awk '{ print $4 }') */ #include #include #include #include #include #include static GMainLoop *gloop; static gchar *stun_addr = NULL; static guint stun_port; static gboolean controlling; static gboolean exit_thread, candidate_gathering_done, negotiation_done; static GMutex gather_mutex, negotiate_mutex; static GCond gather_cond, negotiate_cond; static const gchar *state_name[] = {"disconnected", "gathering", "connecting", "connected", "ready", "failed"}; static void cb_candidate_gathering_done(NiceAgent *agent, guint stream_id, gpointer data); static void cb_component_state_changed(NiceAgent *agent, guint stream_id, guint component_id, guint state, gpointer data); static void cb_nice_recv(NiceAgent *agent, guint stream_id, guint component_id, guint len, gchar *buf, gpointer data); static void * example_thread(void *data); int main(int argc, char *argv[]) { GThread *gexamplethread; // Parse arguments if (argc > 4 || argc < 2 || argv[1][1] != '\0') { fprintf(stderr, "Usage: %s 0|1 stun_addr [stun_port]\n", argv[0]); return EXIT_FAILURE; } controlling = argv[1][0] - '0'; if (controlling != 0 && controlling != 1) { fprintf(stderr, "Usage: %s 0|1 stun_addr [stun_port]\n", argv[0]); return EXIT_FAILURE; } if (argc > 2) { stun_addr = argv[2]; if (argc > 3) stun_port = atoi(argv[3]); else stun_port = 3478; g_debug("Using stun server '[%s]:%u'\n", stun_addr, stun_port); } g_type_init(); gloop = g_main_loop_new(NULL, FALSE); // Run the mainloop and the example thread exit_thread = FALSE; gexamplethread = g_thread_new("example thread", &example_thread, NULL); g_main_loop_run (gloop); exit_thread = TRUE; g_thread_join (gexamplethread); g_main_loop_unref(gloop); return EXIT_SUCCESS; } static void * example_thread(void *data) { NiceAgent *agent; GIOChannel* io_stdin; guint stream_id; gchar *line = NULL; gchar *sdp, *sdp64; io_stdin = g_io_channel_unix_new(fileno(stdin)); g_io_channel_set_flags (io_stdin, G_IO_FLAG_NONBLOCK, NULL); // Create the nice agent agent = nice_agent_new(g_main_loop_get_context (gloop), NICE_COMPATIBILITY_RFC5245); if (agent == NULL) g_error("Failed to create agent"); // Set the STUN settings and controlling mode if (stun_addr) { g_object_set(G_OBJECT(agent), "stun-server", stun_addr, NULL); g_object_set(G_OBJECT(agent), "stun-server-port", stun_port, NULL); } g_object_set(G_OBJECT(agent), "controlling-mode", controlling, NULL); // Connect to the signals g_signal_connect(G_OBJECT(agent), "candidate-gathering-done", G_CALLBACK(cb_candidate_gathering_done), NULL); g_signal_connect(G_OBJECT(agent), "component-state-changed", G_CALLBACK(cb_component_state_changed), NULL); // Create a new stream with one component stream_id = nice_agent_add_stream(agent, 1); if (stream_id == 0) g_error("Failed to add stream"); nice_agent_set_stream_name (agent, stream_id, "text"); // Attach to the component to receive the data // Without this call, candidates cannot be gathered nice_agent_attach_recv(agent, stream_id, 1, g_main_loop_get_context (gloop), cb_nice_recv, NULL); // Start gathering local candidates if (!nice_agent_gather_candidates(agent, stream_id)) g_error("Failed to start candidate gathering"); g_debug("waiting for candidate-gathering-done signal..."); g_mutex_lock(&gather_mutex); while (!exit_thread && !candidate_gathering_done) g_cond_wait(&gather_cond, &gather_mutex); g_mutex_unlock(&gather_mutex); if (exit_thread) goto end; // Candidate gathering is done. Send our local candidates on stdout printf("Copy this line to remote client:\n"); sdp = nice_agent_generate_local_sdp (agent); sdp64 = g_base64_encode ((const guchar *)sdp, strlen (sdp)); printf("\n %s\n", sdp64); g_free (sdp); g_free (sdp64); // Listen on stdin for the remote candidate list printf("Enter remote data (single line, no wrapping):\n"); printf("> "); fflush (stdout); while (!exit_thread) { GIOStatus s = g_io_channel_read_line (io_stdin, &line, NULL, NULL, NULL); if (s == G_IO_STATUS_NORMAL) { gsize sdp_len; sdp = (gchar *) g_base64_decode (line, &sdp_len); // Parse remote candidate list and set it on the agent if (sdp && nice_agent_parse_remote_sdp (agent, sdp) > 0) { g_free (sdp); g_free (line); break; } else { fprintf(stderr, "ERROR: failed to parse remote data\n"); printf("Enter remote data (single line, no wrapping):\n"); printf("> "); fflush (stdout); } g_free (sdp); g_free (line); } else if (s == G_IO_STATUS_AGAIN) { usleep (100000); } } g_debug("waiting for state READY or FAILED signal..."); g_mutex_lock(&negotiate_mutex); while (!exit_thread && !negotiation_done) g_cond_wait(&negotiate_cond, &negotiate_mutex); g_mutex_unlock(&negotiate_mutex); if (exit_thread) goto end; // Listen to stdin and send data written to it printf("\nSend lines to remote (Ctrl-D to quit):\n"); printf("> "); fflush (stdout); while (!exit_thread) { GIOStatus s = g_io_channel_read_line (io_stdin, &line, NULL, NULL, NULL); if (s == G_IO_STATUS_NORMAL) { nice_agent_send(agent, stream_id, 1, strlen(line), line); g_free (line); printf("> "); fflush (stdout); } else if (s == G_IO_STATUS_AGAIN) { usleep (100000); } else { // Ctrl-D was pressed. nice_agent_send(agent, stream_id, 1, 1, "\0"); break; } } end: g_object_unref(agent); g_io_channel_unref (io_stdin); g_main_loop_quit (gloop); return NULL; } static void cb_candidate_gathering_done(NiceAgent *agent, guint stream_id, gpointer data) { g_debug("SIGNAL candidate gathering done\n"); g_mutex_lock(&gather_mutex); candidate_gathering_done = TRUE; g_cond_signal(&gather_cond); g_mutex_unlock(&gather_mutex); } static void cb_component_state_changed(NiceAgent *agent, guint stream_id, guint component_id, guint state, gpointer data) { g_debug("SIGNAL: state changed %d %d %s[%d]\n", stream_id, component_id, state_name[state], state); if (state == NICE_COMPONENT_STATE_READY) { g_mutex_lock(&negotiate_mutex); negotiation_done = TRUE; g_cond_signal(&negotiate_cond); g_mutex_unlock(&negotiate_mutex); } else if (state == NICE_COMPONENT_STATE_FAILED) { g_main_loop_quit (gloop); } } static void cb_nice_recv(NiceAgent *agent, guint stream_id, guint component_id, guint len, gchar *buf, gpointer data) { if (len == 1 && buf[0] == '\0') g_main_loop_quit (gloop); printf("%.*s", len, buf); fflush(stdout); } libnice-0.1.4/examples/Makefile.am0000664000175000017500000000155412104062460013716 00000000000000# # Makefile.am for the Nice Glib ICE library # # (C) 2006, 2007 Collabora Ltd. # (C) 2006, 2007 Nokia Corporation. All rights reserved. # # Licensed under MPL 1.1/LGPL 2.1. See file COPYING. include $(top_srcdir)/common.mk AM_CFLAGS = \ -I $(top_srcdir) \ -I $(top_srcdir)/agent \ -I $(top_srcdir)/random \ -I $(top_srcdir)/socket \ -I $(top_srcdir)/stun \ $(ERROR_CFLAGS) \ $(GLIB_CFLAGS) \ $(GUPNP_CFLAGS) bin_PROGRAMS = simple-example threaded-example sdp-example simple_example_SOURCES = simple-example.c simple_example_LDADD = $(top_builddir)/agent/libagent.la \ $(GLIB_LIBS) $(GUPNP_LIBS) threaded_example_SOURCES = threaded-example.c threaded_example_LDADD = $(top_builddir)/agent/libagent.la \ $(GLIB_LIBS) $(GUPNP_LIBS) sdp_example_SOURCES = sdp-example.c sdp_example_LDADD = $(top_builddir)/agent/libagent.la \ $(GLIB_LIBS) $(GUPNP_LIBS) libnice-0.1.4/examples/threaded-example.c0000664000175000017500000003222112104601050015224 00000000000000/* * Copyright 2013 University of Chicago * Contact: Bryce Allen * Copyright 2013 Collabora Ltd. * Contact: Youness Alaoui * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ /* * Example using libnice to negotiate a UDP connection between two clients, * possibly on the same network or behind different NATs and/or stateful * firewalls. * * Build: * gcc -o threaded-example threaded-example.c `pkg-config --cflags --libs nice` * * Run two clients, one controlling and one controlled: * threaded-example 0 $(host -4 -t A stun.stunprotocol.org | awk '{ print $4 }') * threaded-example 1 $(host -4 -t A stun.stunprotocol.org | awk '{ print $4 }') */ #include #include #include #include #include #include static GMainLoop *gloop; static gchar *stun_addr = NULL; static guint stun_port; static gboolean controlling; static gboolean exit_thread, candidate_gathering_done, negotiation_done; static GMutex gather_mutex, negotiate_mutex; static GCond gather_cond, negotiate_cond; static const gchar *candidate_type_name[] = {"host", "srflx", "prflx", "relay"}; static const gchar *state_name[] = {"disconnected", "gathering", "connecting", "connected", "ready", "failed"}; static int print_local_data(NiceAgent *agent, guint stream_id, guint component_id); static int parse_remote_data(NiceAgent *agent, guint stream_id, guint component_id, char *line); static void cb_candidate_gathering_done(NiceAgent *agent, guint stream_id, gpointer data); static void cb_new_selected_pair(NiceAgent *agent, guint stream_id, guint component_id, gchar *lfoundation, gchar *rfoundation, gpointer data); static void cb_component_state_changed(NiceAgent *agent, guint stream_id, guint component_id, guint state, gpointer data); static void cb_nice_recv(NiceAgent *agent, guint stream_id, guint component_id, guint len, gchar *buf, gpointer data); static void * example_thread(void *data); int main(int argc, char *argv[]) { GThread *gexamplethread; // Parse arguments if (argc > 4 || argc < 2 || argv[1][1] != '\0') { fprintf(stderr, "Usage: %s 0|1 stun_addr [stun_port]\n", argv[0]); return EXIT_FAILURE; } controlling = argv[1][0] - '0'; if (controlling != 0 && controlling != 1) { fprintf(stderr, "Usage: %s 0|1 stun_addr [stun_port]\n", argv[0]); return EXIT_FAILURE; } if (argc > 2) { stun_addr = argv[2]; if (argc > 3) stun_port = atoi(argv[3]); else stun_port = 3478; g_debug("Using stun server '[%s]:%u'\n", stun_addr, stun_port); } g_type_init(); gloop = g_main_loop_new(NULL, FALSE); // Run the mainloop and the example thread exit_thread = FALSE; gexamplethread = g_thread_new("example thread", &example_thread, NULL); g_main_loop_run (gloop); exit_thread = TRUE; g_thread_join (gexamplethread); g_main_loop_unref(gloop); return EXIT_SUCCESS; } static void * example_thread(void *data) { NiceAgent *agent; NiceCandidate *local, *remote; GIOChannel* io_stdin; guint stream_id; gchar *line = NULL; int rval; io_stdin = g_io_channel_unix_new(fileno(stdin)); g_io_channel_set_flags (io_stdin, G_IO_FLAG_NONBLOCK, NULL); // Create the nice agent agent = nice_agent_new(g_main_loop_get_context (gloop), NICE_COMPATIBILITY_RFC5245); if (agent == NULL) g_error("Failed to create agent"); // Set the STUN settings and controlling mode if (stun_addr) { g_object_set(G_OBJECT(agent), "stun-server", stun_addr, NULL); g_object_set(G_OBJECT(agent), "stun-server-port", stun_port, NULL); } g_object_set(G_OBJECT(agent), "controlling-mode", controlling, NULL); // Connect to the signals g_signal_connect(G_OBJECT(agent), "candidate-gathering-done", G_CALLBACK(cb_candidate_gathering_done), NULL); g_signal_connect(G_OBJECT(agent), "new-selected-pair", G_CALLBACK(cb_new_selected_pair), NULL); g_signal_connect(G_OBJECT(agent), "component-state-changed", G_CALLBACK(cb_component_state_changed), NULL); // Create a new stream with one component stream_id = nice_agent_add_stream(agent, 1); if (stream_id == 0) g_error("Failed to add stream"); // Attach to the component to receive the data // Without this call, candidates cannot be gathered nice_agent_attach_recv(agent, stream_id, 1, g_main_loop_get_context (gloop), cb_nice_recv, NULL); // Start gathering local candidates if (!nice_agent_gather_candidates(agent, stream_id)) g_error("Failed to start candidate gathering"); g_debug("waiting for candidate-gathering-done signal..."); g_mutex_lock(&gather_mutex); while (!exit_thread && !candidate_gathering_done) g_cond_wait(&gather_cond, &gather_mutex); g_mutex_unlock(&gather_mutex); if (exit_thread) goto end; // Candidate gathering is done. Send our local candidates on stdout printf("Copy this line to remote client:\n"); printf("\n "); print_local_data(agent, stream_id, 1); printf("\n"); // Listen on stdin for the remote candidate list printf("Enter remote data (single line, no wrapping):\n"); printf("> "); fflush (stdout); while (!exit_thread) { GIOStatus s = g_io_channel_read_line (io_stdin, &line, NULL, NULL, NULL); if (s == G_IO_STATUS_NORMAL) { // Parse remote candidate list and set it on the agent rval = parse_remote_data(agent, stream_id, 1, line); if (rval == EXIT_SUCCESS) { g_free (line); break; } else { fprintf(stderr, "ERROR: failed to parse remote data\n"); printf("Enter remote data (single line, no wrapping):\n"); printf("> "); fflush (stdout); } g_free (line); } else if (s == G_IO_STATUS_AGAIN) { usleep (100000); } } g_debug("waiting for state READY or FAILED signal..."); g_mutex_lock(&negotiate_mutex); while (!exit_thread && !negotiation_done) g_cond_wait(&negotiate_cond, &negotiate_mutex); g_mutex_unlock(&negotiate_mutex); if (exit_thread) goto end; // Get current selected candidate pair and print IP address used if (nice_agent_get_selected_pair (agent, stream_id, 1, &local, &remote)) { gchar ipaddr[INET6_ADDRSTRLEN]; nice_address_to_string(&local->addr, ipaddr); printf("\nNegotiation complete: ([%s]:%d,", ipaddr, nice_address_get_port(&local->addr)); nice_address_to_string(&remote->addr, ipaddr); printf(" [%s]:%d)\n", ipaddr, nice_address_get_port(&remote->addr)); } // Listen to stdin and send data written to it printf("\nSend lines to remote (Ctrl-D to quit):\n"); printf("> "); fflush (stdout); while (!exit_thread) { GIOStatus s = g_io_channel_read_line (io_stdin, &line, NULL, NULL, NULL); if (s == G_IO_STATUS_NORMAL) { nice_agent_send(agent, stream_id, 1, strlen(line), line); g_free (line); printf("> "); fflush (stdout); } else if (s == G_IO_STATUS_AGAIN) { usleep (100000); } else { // Ctrl-D was pressed. nice_agent_send(agent, stream_id, 1, 1, "\0"); break; } } end: g_io_channel_unref (io_stdin); g_object_unref(agent); g_main_loop_quit (gloop); return NULL; } static void cb_candidate_gathering_done(NiceAgent *agent, guint stream_id, gpointer data) { g_debug("SIGNAL candidate gathering done\n"); g_mutex_lock(&gather_mutex); candidate_gathering_done = TRUE; g_cond_signal(&gather_cond); g_mutex_unlock(&gather_mutex); } static void cb_component_state_changed(NiceAgent *agent, guint stream_id, guint component_id, guint state, gpointer data) { g_debug("SIGNAL: state changed %d %d %s[%d]\n", stream_id, component_id, state_name[state], state); if (state == NICE_COMPONENT_STATE_READY) { g_mutex_lock(&negotiate_mutex); negotiation_done = TRUE; g_cond_signal(&negotiate_cond); g_mutex_unlock(&negotiate_mutex); } else if (state == NICE_COMPONENT_STATE_FAILED) { g_main_loop_quit (gloop); } } static void cb_new_selected_pair(NiceAgent *agent, guint stream_id, guint component_id, gchar *lfoundation, gchar *rfoundation, gpointer data) { g_debug("SIGNAL: selected pair %s %s", lfoundation, rfoundation); } static void cb_nice_recv(NiceAgent *agent, guint stream_id, guint component_id, guint len, gchar *buf, gpointer data) { if (len == 1 && buf[0] == '\0') g_main_loop_quit (gloop); printf("%.*s", len, buf); fflush(stdout); } static NiceCandidate * parse_candidate(char *scand, guint stream_id) { NiceCandidate *cand = NULL; NiceCandidateType ntype; gchar **tokens = NULL; guint i; tokens = g_strsplit (scand, ",", 5); for (i = 0; tokens && tokens[i]; i++); if (i != 5) goto end; for (i = 0; i < G_N_ELEMENTS (candidate_type_name); i++) { if (strcmp(tokens[4], candidate_type_name[i]) == 0) { ntype = i; break; } } if (i == G_N_ELEMENTS (candidate_type_name)) goto end; cand = nice_candidate_new(ntype); cand->component_id = 1; cand->stream_id = stream_id; cand->transport = NICE_CANDIDATE_TRANSPORT_UDP; strncpy(cand->foundation, tokens[0], NICE_CANDIDATE_MAX_FOUNDATION); cand->priority = atoi (tokens[1]); if (!nice_address_set_from_string(&cand->addr, tokens[2])) { g_message("failed to parse addr: %s", tokens[2]); nice_candidate_free(cand); cand = NULL; goto end; } nice_address_set_port(&cand->addr, atoi (tokens[3])); end: g_strfreev(tokens); return cand; } static int print_local_data (NiceAgent *agent, guint stream_id, guint component_id) { int result = EXIT_FAILURE; gchar *local_ufrag = NULL; gchar *local_password = NULL; gchar ipaddr[INET6_ADDRSTRLEN]; GSList *cands = NULL, *item; if (!nice_agent_get_local_credentials(agent, stream_id, &local_ufrag, &local_password)) goto end; cands = nice_agent_get_local_candidates(agent, stream_id, component_id); if (cands == NULL) goto end; printf("%s %s", local_ufrag, local_password); for (item = cands; item; item = item->next) { NiceCandidate *c = (NiceCandidate *)item->data; nice_address_to_string(&c->addr, ipaddr); // (foundation),(prio),(addr),(port),(type) printf(" %s,%u,%s,%u,%s", c->foundation, c->priority, ipaddr, nice_address_get_port(&c->addr), candidate_type_name[c->type]); } printf("\n"); result = EXIT_SUCCESS; end: if (local_ufrag) g_free(local_ufrag); if (local_password) g_free(local_password); if (cands) g_slist_free_full(cands, (GDestroyNotify)&nice_candidate_free); return result; } static int parse_remote_data(NiceAgent *agent, guint stream_id, guint component_id, char *line) { GSList *remote_candidates = NULL; gchar **line_argv = NULL; const gchar *ufrag = NULL; const gchar *passwd = NULL; int result = EXIT_FAILURE; int i; line_argv = g_strsplit_set (line, " \t\n", 0); for (i = 0; line_argv && line_argv[i]; i++) { if (strlen (line_argv[i]) == 0) continue; // first two args are remote ufrag and password if (!ufrag) { ufrag = line_argv[i]; } else if (!passwd) { passwd = line_argv[i]; } else { // Remaining args are serialized canidates (at least one is required) NiceCandidate *c = parse_candidate(line_argv[i], stream_id); if (c == NULL) { g_message("failed to parse candidate: %s", line_argv[i]); goto end; } remote_candidates = g_slist_prepend(remote_candidates, c); } } if (ufrag == NULL || passwd == NULL || remote_candidates == NULL) { g_message("line must have at least ufrag, password, and one candidate"); goto end; } if (!nice_agent_set_remote_credentials(agent, stream_id, ufrag, passwd)) { g_message("failed to set remote credentials"); goto end; } // Note: this will trigger the start of negotiation. if (nice_agent_set_remote_candidates(agent, stream_id, component_id, remote_candidates) < 1) { g_message("failed to set remote candidates"); goto end; } result = EXIT_SUCCESS; end: if (line_argv != NULL) g_strfreev(line_argv); if (remote_candidates != NULL) g_slist_free_full(remote_candidates, (GDestroyNotify)&nice_candidate_free); return result; } libnice-0.1.4/examples/simple-example.c0000664000175000017500000003103112104062344014742 00000000000000/* * Copyright 2013 University of Chicago * Contact: Bryce Allen * Copyright 2013 Collabora Ltd. * Contact: Youness Alaoui * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ /* * Example using libnice to negotiate a UDP connection between two clients, * possibly on the same network or behind different NATs and/or stateful * firewalls. * * Build: * gcc -o simple-example simple-example.c `pkg-config --cflags --libs nice` * * Run two clients, one controlling and one controlled: * simple-example 0 $(host -4 -t A stun.stunprotocol.org | awk '{ print $4 }') * simple-example 1 $(host -4 -t A stun.stunprotocol.org | awk '{ print $4 }') */ #include #include #include #include #include static GMainLoop *gloop; static GIOChannel* io_stdin; static guint stream_id; static const gchar *candidate_type_name[] = {"host", "srflx", "prflx", "relay"}; static const gchar *state_name[] = {"disconnected", "gathering", "connecting", "connected", "ready", "failed"}; static int print_local_data(NiceAgent *agent, guint stream_id, guint component_id); static int parse_remote_data(NiceAgent *agent, guint stream_id, guint component_id, char *line); static void cb_candidate_gathering_done(NiceAgent *agent, guint stream_id, gpointer data); static void cb_new_selected_pair(NiceAgent *agent, guint stream_id, guint component_id, gchar *lfoundation, gchar *rfoundation, gpointer data); static void cb_component_state_changed(NiceAgent *agent, guint stream_id, guint component_id, guint state, gpointer data); static void cb_nice_recv(NiceAgent *agent, guint stream_id, guint component_id, guint len, gchar *buf, gpointer data); static gboolean stdin_remote_info_cb (GIOChannel *source, GIOCondition cond, gpointer data); static gboolean stdin_send_data_cb (GIOChannel *source, GIOCondition cond, gpointer data); int main(int argc, char *argv[]) { NiceAgent *agent; gchar *stun_addr = NULL; guint stun_port; gboolean controlling; // Parse arguments if (argc > 4 || argc < 2 || argv[1][1] != '\0') { fprintf(stderr, "Usage: %s 0|1 stun_addr [stun_port]\n", argv[0]); return EXIT_FAILURE; } controlling = argv[1][0] - '0'; if (controlling != 0 && controlling != 1) { fprintf(stderr, "Usage: %s 0|1 stun_addr [stun_port]\n", argv[0]); return EXIT_FAILURE; } if (argc > 2) { stun_addr = argv[2]; if (argc > 3) stun_port = atoi(argv[3]); else stun_port = 3478; g_debug("Using stun server '[%s]:%u'\n", stun_addr, stun_port); } g_type_init(); gloop = g_main_loop_new(NULL, FALSE); io_stdin = g_io_channel_unix_new(fileno(stdin)); // Create the nice agent agent = nice_agent_new(g_main_loop_get_context (gloop), NICE_COMPATIBILITY_RFC5245); if (agent == NULL) g_error("Failed to create agent"); // Set the STUN settings and controlling mode if (stun_addr) { g_object_set(G_OBJECT(agent), "stun-server", stun_addr, NULL); g_object_set(G_OBJECT(agent), "stun-server-port", stun_port, NULL); } g_object_set(G_OBJECT(agent), "controlling-mode", controlling, NULL); // Connect to the signals g_signal_connect(G_OBJECT(agent), "candidate-gathering-done", G_CALLBACK(cb_candidate_gathering_done), NULL); g_signal_connect(G_OBJECT(agent), "new-selected-pair", G_CALLBACK(cb_new_selected_pair), NULL); g_signal_connect(G_OBJECT(agent), "component-state-changed", G_CALLBACK(cb_component_state_changed), NULL); // Create a new stream with one component stream_id = nice_agent_add_stream(agent, 1); if (stream_id == 0) g_error("Failed to add stream"); // Attach to the component to receive the data // Without this call, candidates cannot be gathered nice_agent_attach_recv(agent, stream_id, 1, g_main_loop_get_context (gloop), cb_nice_recv, NULL); // Start gathering local candidates if (!nice_agent_gather_candidates(agent, stream_id)) g_error("Failed to start candidate gathering"); g_debug("waiting for candidate-gathering-done signal..."); // Run the mainloop. Everything else will happen asynchronously // when the candidates are done gathering. g_main_loop_run (gloop); g_main_loop_unref(gloop); g_object_unref(agent); g_io_channel_unref (io_stdin); return EXIT_SUCCESS; } static void cb_candidate_gathering_done(NiceAgent *agent, guint stream_id, gpointer data) { g_debug("SIGNAL candidate gathering done\n"); // Candidate gathering is done. Send our local candidates on stdout printf("Copy this line to remote client:\n"); printf("\n "); print_local_data(agent, stream_id, 1); printf("\n"); // Listen on stdin for the remote candidate list printf("Enter remote data (single line, no wrapping):\n"); g_io_add_watch(io_stdin, G_IO_IN, stdin_remote_info_cb, agent); printf("> "); fflush (stdout); } static gboolean stdin_remote_info_cb (GIOChannel *source, GIOCondition cond, gpointer data) { NiceAgent *agent = data; gchar *line = NULL; int rval; gboolean ret = TRUE; if (g_io_channel_read_line (source, &line, NULL, NULL, NULL) == G_IO_STATUS_NORMAL) { // Parse remote candidate list and set it on the agent rval = parse_remote_data(agent, stream_id, 1, line); if (rval == EXIT_SUCCESS) { // Return FALSE so we stop listening to stdin since we parsed the // candidates correctly ret = FALSE; g_debug("waiting for state READY or FAILED signal..."); } else { fprintf(stderr, "ERROR: failed to parse remote data\n"); printf("Enter remote data (single line, no wrapping):\n"); printf("> "); fflush (stdout); } g_free (line); } return ret; } static void cb_component_state_changed(NiceAgent *agent, guint stream_id, guint component_id, guint state, gpointer data) { g_debug("SIGNAL: state changed %d %d %s[%d]\n", stream_id, component_id, state_name[state], state); if (state == NICE_COMPONENT_STATE_READY) { NiceCandidate *local, *remote; // Get current selected candidate pair and print IP address used if (nice_agent_get_selected_pair (agent, stream_id, component_id, &local, &remote)) { gchar ipaddr[INET6_ADDRSTRLEN]; nice_address_to_string(&local->addr, ipaddr); printf("\nNegotiation complete: ([%s]:%d,", ipaddr, nice_address_get_port(&local->addr)); nice_address_to_string(&remote->addr, ipaddr); printf(" [%s]:%d)\n", ipaddr, nice_address_get_port(&remote->addr)); } // Listen to stdin and send data written to it printf("\nSend lines to remote (Ctrl-D to quit):\n"); g_io_add_watch(io_stdin, G_IO_IN, stdin_send_data_cb, agent); printf("> "); fflush (stdout); } else if (state == NICE_COMPONENT_STATE_FAILED) { g_main_loop_quit (gloop); } } static gboolean stdin_send_data_cb (GIOChannel *source, GIOCondition cond, gpointer data) { NiceAgent *agent = data; gchar *line = NULL; if (g_io_channel_read_line (source, &line, NULL, NULL, NULL) == G_IO_STATUS_NORMAL) { nice_agent_send(agent, stream_id, 1, strlen(line), line); g_free (line); printf("> "); fflush (stdout); } else { nice_agent_send(agent, stream_id, 1, 1, "\0"); // Ctrl-D was pressed. g_main_loop_quit (gloop); } return TRUE; } static void cb_new_selected_pair(NiceAgent *agent, guint stream_id, guint component_id, gchar *lfoundation, gchar *rfoundation, gpointer data) { g_debug("SIGNAL: selected pair %s %s", lfoundation, rfoundation); } static void cb_nice_recv(NiceAgent *agent, guint stream_id, guint component_id, guint len, gchar *buf, gpointer data) { if (len == 1 && buf[0] == '\0') g_main_loop_quit (gloop); printf("%.*s", len, buf); fflush(stdout); } static NiceCandidate * parse_candidate(char *scand, guint stream_id) { NiceCandidate *cand = NULL; NiceCandidateType ntype; gchar **tokens = NULL; guint i; tokens = g_strsplit (scand, ",", 5); for (i = 0; tokens && tokens[i]; i++); if (i != 5) goto end; for (i = 0; i < G_N_ELEMENTS (candidate_type_name); i++) { if (strcmp(tokens[4], candidate_type_name[i]) == 0) { ntype = i; break; } } if (i == G_N_ELEMENTS (candidate_type_name)) goto end; cand = nice_candidate_new(ntype); cand->component_id = 1; cand->stream_id = stream_id; cand->transport = NICE_CANDIDATE_TRANSPORT_UDP; strncpy(cand->foundation, tokens[0], NICE_CANDIDATE_MAX_FOUNDATION); cand->priority = atoi (tokens[1]); if (!nice_address_set_from_string(&cand->addr, tokens[2])) { g_message("failed to parse addr: %s", tokens[2]); nice_candidate_free(cand); cand = NULL; goto end; } nice_address_set_port(&cand->addr, atoi (tokens[3])); end: g_strfreev(tokens); return cand; } static int print_local_data (NiceAgent *agent, guint stream_id, guint component_id) { int result = EXIT_FAILURE; gchar *local_ufrag = NULL; gchar *local_password = NULL; gchar ipaddr[INET6_ADDRSTRLEN]; GSList *cands = NULL, *item; if (!nice_agent_get_local_credentials(agent, stream_id, &local_ufrag, &local_password)) goto end; cands = nice_agent_get_local_candidates(agent, stream_id, component_id); if (cands == NULL) goto end; printf("%s %s", local_ufrag, local_password); for (item = cands; item; item = item->next) { NiceCandidate *c = (NiceCandidate *)item->data; nice_address_to_string(&c->addr, ipaddr); // (foundation),(prio),(addr),(port),(type) printf(" %s,%u,%s,%u,%s", c->foundation, c->priority, ipaddr, nice_address_get_port(&c->addr), candidate_type_name[c->type]); } printf("\n"); result = EXIT_SUCCESS; end: if (local_ufrag) g_free(local_ufrag); if (local_password) g_free(local_password); if (cands) g_slist_free_full(cands, (GDestroyNotify)&nice_candidate_free); return result; } static int parse_remote_data(NiceAgent *agent, guint stream_id, guint component_id, char *line) { GSList *remote_candidates = NULL; gchar **line_argv = NULL; const gchar *ufrag = NULL; const gchar *passwd = NULL; int result = EXIT_FAILURE; int i; line_argv = g_strsplit_set (line, " \t\n", 0); for (i = 0; line_argv && line_argv[i]; i++) { if (strlen (line_argv[i]) == 0) continue; // first two args are remote ufrag and password if (!ufrag) { ufrag = line_argv[i]; } else if (!passwd) { passwd = line_argv[i]; } else { // Remaining args are serialized canidates (at least one is required) NiceCandidate *c = parse_candidate(line_argv[i], stream_id); if (c == NULL) { g_message("failed to parse candidate: %s", line_argv[i]); goto end; } remote_candidates = g_slist_prepend(remote_candidates, c); } } if (ufrag == NULL || passwd == NULL || remote_candidates == NULL) { g_message("line must have at least ufrag, password, and one candidate"); goto end; } if (!nice_agent_set_remote_credentials(agent, stream_id, ufrag, passwd)) { g_message("failed to set remote credentials"); goto end; } // Note: this will trigger the start of negotiation. if (nice_agent_set_remote_candidates(agent, stream_id, component_id, remote_candidates) < 1) { g_message("failed to set remote candidates"); goto end; } result = EXIT_SUCCESS; end: if (line_argv != NULL) g_strfreev(line_argv); if (remote_candidates != NULL) g_slist_free_full(remote_candidates, (GDestroyNotify)&nice_candidate_free); return result; } libnice-0.1.4/aclocal.m40000664000175000017500000126220312112006555011707 00000000000000# generated automatically by aclocal 1.11.6 -*- Autoconf -*- # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, # 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, # Inc. # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; without # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. m4_ifndef([AC_AUTOCONF_VERSION], [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.68],, [m4_warning([this file was generated for autoconf 2.68. 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See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with GNU Libtool; see the file COPYING. If not, a copy # can be downloaded from http://www.gnu.org/licenses/gpl.html, or # obtained by writing to the Free Software Foundation, Inc., # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. ]) # serial 57 LT_INIT # LT_PREREQ(VERSION) # ------------------ # Complain and exit if this libtool version is less that VERSION. m4_defun([LT_PREREQ], [m4_if(m4_version_compare(m4_defn([LT_PACKAGE_VERSION]), [$1]), -1, [m4_default([$3], [m4_fatal([Libtool version $1 or higher is required], 63)])], [$2])]) # _LT_CHECK_BUILDDIR # ------------------ # Complain if the absolute build directory name contains unusual characters m4_defun([_LT_CHECK_BUILDDIR], [case `pwd` in *\ * | *\ *) AC_MSG_WARN([Libtool does not cope well with whitespace in `pwd`]) ;; esac ]) # LT_INIT([OPTIONS]) # ------------------ AC_DEFUN([LT_INIT], [AC_PREREQ([2.58])dnl We use AC_INCLUDES_DEFAULT AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl AC_BEFORE([$0], [LT_LANG])dnl AC_BEFORE([$0], [LT_OUTPUT])dnl AC_BEFORE([$0], [LTDL_INIT])dnl m4_require([_LT_CHECK_BUILDDIR])dnl dnl Autoconf doesn't catch unexpanded LT_ macros by default: m4_pattern_forbid([^_?LT_[A-Z_]+$])dnl m4_pattern_allow([^(_LT_EOF|LT_DLGLOBAL|LT_DLLAZY_OR_NOW|LT_MULTI_MODULE)$])dnl dnl aclocal doesn't pull ltoptions.m4, ltsugar.m4, or ltversion.m4 dnl unless we require an AC_DEFUNed macro: AC_REQUIRE([LTOPTIONS_VERSION])dnl AC_REQUIRE([LTSUGAR_VERSION])dnl AC_REQUIRE([LTVERSION_VERSION])dnl AC_REQUIRE([LTOBSOLETE_VERSION])dnl m4_require([_LT_PROG_LTMAIN])dnl _LT_SHELL_INIT([SHELL=${CONFIG_SHELL-/bin/sh}]) dnl Parse OPTIONS _LT_SET_OPTIONS([$0], [$1]) # This can be used to rebuild libtool when needed LIBTOOL_DEPS="$ltmain" # Always use our own libtool. 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It is not # nice to cause kernel panics so lets avoid the loop below. # First set a reasonable default. lt_cv_sys_max_cmd_len=16384 # if test -x /sbin/sysconfig; then case `/sbin/sysconfig -q proc exec_disable_arg_limit` in *1*) lt_cv_sys_max_cmd_len=-1 ;; esac fi ;; sco3.2v5*) lt_cv_sys_max_cmd_len=102400 ;; sysv5* | sco5v6* | sysv4.2uw2*) kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null` if test -n "$kargmax"; then lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[[ ]]//'` else lt_cv_sys_max_cmd_len=32768 fi ;; *) lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null` if test -n "$lt_cv_sys_max_cmd_len"; then lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` else # Make teststring a little bigger before we do anything with it. # a 1K string should be a reasonable start. for i in 1 2 3 4 5 6 7 8 ; do teststring=$teststring$teststring done SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}} # If test is not a shell built-in, we'll probably end up computing a # maximum length that is only half of the actual maximum length, but # we can't tell. while { test "X"`env echo "$teststring$teststring" 2>/dev/null` \ = "X$teststring$teststring"; } >/dev/null 2>&1 && test $i != 17 # 1/2 MB should be enough do i=`expr $i + 1` teststring=$teststring$teststring done # Only check the string length outside the loop. lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1` teststring= # Add a significant safety factor because C++ compilers can tack on # massive amounts of additional arguments before passing them to the # linker. 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#endif int fnord () { return 42; } int main () { void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); int status = $lt_dlunknown; if (self) { if (dlsym (self,"fnord")) status = $lt_dlno_uscore; else { if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; else puts (dlerror ()); } /* dlclose (self); */ } else puts (dlerror ()); return status; }] _LT_EOF if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext} 2>/dev/null; then (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null lt_status=$? case x$lt_status in x$lt_dlno_uscore) $1 ;; x$lt_dlneed_uscore) $2 ;; x$lt_dlunknown|x*) $3 ;; esac else : # compilation failed $3 fi fi rm -fr conftest* ])# _LT_TRY_DLOPEN_SELF # LT_SYS_DLOPEN_SELF # ------------------ AC_DEFUN([LT_SYS_DLOPEN_SELF], [m4_require([_LT_HEADER_DLFCN])dnl if test "x$enable_dlopen" != xyes; then enable_dlopen=unknown enable_dlopen_self=unknown enable_dlopen_self_static=unknown else lt_cv_dlopen=no lt_cv_dlopen_libs= case $host_os in beos*) lt_cv_dlopen="load_add_on" lt_cv_dlopen_libs= lt_cv_dlopen_self=yes ;; mingw* | pw32* | cegcc*) lt_cv_dlopen="LoadLibrary" lt_cv_dlopen_libs= ;; cygwin*) lt_cv_dlopen="dlopen" lt_cv_dlopen_libs= ;; darwin*) # if libdl is installed we need to link against it AC_CHECK_LIB([dl], [dlopen], [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"],[ lt_cv_dlopen="dyld" lt_cv_dlopen_libs= lt_cv_dlopen_self=yes ]) ;; *) AC_CHECK_FUNC([shl_load], [lt_cv_dlopen="shl_load"], [AC_CHECK_LIB([dld], [shl_load], [lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld"], [AC_CHECK_FUNC([dlopen], [lt_cv_dlopen="dlopen"], [AC_CHECK_LIB([dl], [dlopen], [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"], [AC_CHECK_LIB([svld], [dlopen], [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld"], [AC_CHECK_LIB([dld], [dld_link], [lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld"]) ]) ]) ]) ]) ]) ;; esac if test "x$lt_cv_dlopen" != xno; then enable_dlopen=yes else enable_dlopen=no fi case $lt_cv_dlopen in dlopen) save_CPPFLAGS="$CPPFLAGS" test "x$ac_cv_header_dlfcn_h" = xyes && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" save_LDFLAGS="$LDFLAGS" wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" save_LIBS="$LIBS" LIBS="$lt_cv_dlopen_libs $LIBS" AC_CACHE_CHECK([whether a program can dlopen itself], lt_cv_dlopen_self, [dnl _LT_TRY_DLOPEN_SELF( lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes, lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross) ]) if test "x$lt_cv_dlopen_self" = xyes; then wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\" AC_CACHE_CHECK([whether a statically linked program can dlopen itself], lt_cv_dlopen_self_static, [dnl _LT_TRY_DLOPEN_SELF( lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=no, lt_cv_dlopen_self_static=cross) ]) fi CPPFLAGS="$save_CPPFLAGS" LDFLAGS="$save_LDFLAGS" LIBS="$save_LIBS" ;; esac case $lt_cv_dlopen_self in yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;; *) enable_dlopen_self=unknown ;; esac case $lt_cv_dlopen_self_static in yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;; *) enable_dlopen_self_static=unknown ;; esac fi _LT_DECL([dlopen_support], [enable_dlopen], [0], [Whether dlopen is supported]) _LT_DECL([dlopen_self], [enable_dlopen_self], [0], [Whether dlopen of programs is supported]) _LT_DECL([dlopen_self_static], [enable_dlopen_self_static], [0], [Whether dlopen of statically linked programs is supported]) ])# LT_SYS_DLOPEN_SELF # Old name: AU_ALIAS([AC_LIBTOOL_DLOPEN_SELF], [LT_SYS_DLOPEN_SELF]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_DLOPEN_SELF], []) # _LT_COMPILER_C_O([TAGNAME]) # --------------------------- # Check to see if options -c and -o are simultaneously supported by compiler. # This macro does not hard code the compiler like AC_PROG_CC_C_O. m4_defun([_LT_COMPILER_C_O], [m4_require([_LT_DECL_SED])dnl m4_require([_LT_FILEUTILS_DEFAULTS])dnl m4_require([_LT_TAG_COMPILER])dnl AC_CACHE_CHECK([if $compiler supports -c -o file.$ac_objext], [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)], [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=no $RM -r conftest 2>/dev/null mkdir conftest cd conftest mkdir out echo "$lt_simple_compile_test_code" > conftest.$ac_ext lt_compiler_flag="-o out/conftest2.$ac_objext" # Insert the option either (1) after the last *FLAGS variable, or # (2) before a word containing "conftest.", or (3) at the end. # Note that $ac_compile itself does not contain backslashes and begins # with a dollar sign (not a hyphen), so the echo should work correctly. lt_compile=`echo "$ac_compile" | $SED \ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; 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then # do not overwrite the value of need_locks provided by the user AC_MSG_CHECKING([if we can lock with hard links]) hard_links=yes $RM conftest* ln conftest.a conftest.b 2>/dev/null && hard_links=no touch conftest.a ln conftest.a conftest.b 2>&5 || hard_links=no ln conftest.a conftest.b 2>/dev/null && hard_links=no AC_MSG_RESULT([$hard_links]) if test "$hard_links" = no; then AC_MSG_WARN([`$CC' does not support `-c -o', so `make -j' may be unsafe]) need_locks=warn fi else need_locks=no fi _LT_DECL([], [need_locks], [1], [Must we lock files when doing compilation?]) ])# _LT_COMPILER_FILE_LOCKS # _LT_CHECK_OBJDIR # ---------------- m4_defun([_LT_CHECK_OBJDIR], [AC_CACHE_CHECK([for objdir], [lt_cv_objdir], [rm -f .libs 2>/dev/null mkdir .libs 2>/dev/null if test -d .libs; then lt_cv_objdir=.libs else # MS-DOS does not allow filenames that begin with a dot. lt_cv_objdir=_libs fi rmdir .libs 2>/dev/null]) objdir=$lt_cv_objdir _LT_DECL([], [objdir], [0], [The name of the directory that contains temporary libtool files])dnl m4_pattern_allow([LT_OBJDIR])dnl AC_DEFINE_UNQUOTED(LT_OBJDIR, "$lt_cv_objdir/", [Define to the sub-directory in which libtool stores uninstalled libraries.]) ])# _LT_CHECK_OBJDIR # _LT_LINKER_HARDCODE_LIBPATH([TAGNAME]) # -------------------------------------- # Check hardcoding attributes. m4_defun([_LT_LINKER_HARDCODE_LIBPATH], [AC_MSG_CHECKING([how to hardcode library paths into programs]) _LT_TAGVAR(hardcode_action, $1)= if test -n "$_LT_TAGVAR(hardcode_libdir_flag_spec, $1)" || test -n "$_LT_TAGVAR(runpath_var, $1)" || test "X$_LT_TAGVAR(hardcode_automatic, $1)" = "Xyes" ; then # We can hardcode non-existent directories. if test "$_LT_TAGVAR(hardcode_direct, $1)" != no && # If the only mechanism to avoid hardcoding is shlibpath_var, we # have to relink, otherwise we might link with an installed library # when we should be linking with a yet-to-be-installed one ## test "$_LT_TAGVAR(hardcode_shlibpath_var, $1)" != no && test "$_LT_TAGVAR(hardcode_minus_L, $1)" != no; then # Linking always hardcodes the temporary library directory. _LT_TAGVAR(hardcode_action, $1)=relink else # We can link without hardcoding, and we can hardcode nonexisting dirs. _LT_TAGVAR(hardcode_action, $1)=immediate fi else # We cannot hardcode anything, or else we can only hardcode existing # directories. _LT_TAGVAR(hardcode_action, $1)=unsupported fi AC_MSG_RESULT([$_LT_TAGVAR(hardcode_action, $1)]) if test "$_LT_TAGVAR(hardcode_action, $1)" = relink || test "$_LT_TAGVAR(inherit_rpath, $1)" = yes; then # Fast installation is not supported enable_fast_install=no elif test "$shlibpath_overrides_runpath" = yes || test "$enable_shared" = no; then # Fast installation is not necessary enable_fast_install=needless fi _LT_TAGDECL([], [hardcode_action], [0], [How to hardcode a shared library path into an executable]) ])# _LT_LINKER_HARDCODE_LIBPATH # _LT_CMD_STRIPLIB # ---------------- m4_defun([_LT_CMD_STRIPLIB], [m4_require([_LT_DECL_EGREP]) striplib= old_striplib= AC_MSG_CHECKING([whether stripping libraries is possible]) if test -n "$STRIP" && $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then test -z "$old_striplib" && old_striplib="$STRIP --strip-debug" test -z "$striplib" && striplib="$STRIP --strip-unneeded" AC_MSG_RESULT([yes]) else # FIXME - insert some real tests, host_os isn't really good enough case $host_os in darwin*) if test -n "$STRIP" ; then striplib="$STRIP -x" old_striplib="$STRIP -S" AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) fi ;; *) AC_MSG_RESULT([no]) ;; esac fi _LT_DECL([], [old_striplib], [1], [Commands to strip libraries]) _LT_DECL([], [striplib], [1]) ])# _LT_CMD_STRIPLIB # _LT_SYS_DYNAMIC_LINKER([TAG]) # ----------------------------- # PORTME Fill in your ld.so characteristics m4_defun([_LT_SYS_DYNAMIC_LINKER], [AC_REQUIRE([AC_CANONICAL_HOST])dnl m4_require([_LT_DECL_EGREP])dnl m4_require([_LT_FILEUTILS_DEFAULTS])dnl m4_require([_LT_DECL_OBJDUMP])dnl m4_require([_LT_DECL_SED])dnl m4_require([_LT_CHECK_SHELL_FEATURES])dnl AC_MSG_CHECKING([dynamic linker characteristics]) m4_if([$1], [], [ if test "$GCC" = yes; then case $host_os in darwin*) lt_awk_arg="/^libraries:/,/LR/" ;; *) lt_awk_arg="/^libraries:/" ;; esac case $host_os in mingw* | cegcc*) lt_sed_strip_eq="s,=\([[A-Za-z]]:\),\1,g" ;; *) lt_sed_strip_eq="s,=/,/,g" ;; esac lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e $lt_sed_strip_eq` case $lt_search_path_spec in *\;*) # if the path contains ";" then we assume it to be the separator # otherwise default to the standard path separator (i.e. ":") - it is # assumed that no part of a normal pathname contains ";" but that should # okay in the real world where ";" in dirpaths is itself problematic. lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED 's/;/ /g'` ;; *) lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED "s/$PATH_SEPARATOR/ /g"` ;; esac # Ok, now we have the path, separated by spaces, we can step through it # and add multilib dir if necessary. lt_tmp_lt_search_path_spec= lt_multi_os_dir=`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null` for lt_sys_path in $lt_search_path_spec; 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cygwin* | mingw* | pw32* | cegcc*) version_type=windows shrext_cmds=".dll" need_version=no need_lib_prefix=no case $GCC,$cc_basename in yes,*) # gcc library_names_spec='$libname.dll.a' # DLL is installed to $(libdir)/../bin by postinstall_cmds postinstall_cmds='base_file=`basename \${file}`~ dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~ dldir=$destdir/`dirname \$dlpath`~ test -d \$dldir || mkdir -p \$dldir~ $install_prog $dir/$dlname \$dldir/$dlname~ chmod a+x \$dldir/$dlname~ if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; fi' postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ dlpath=$dir/\$dldll~ $RM \$dlpath' shlibpath_overrides_runpath=yes case $host_os in cygwin*) # Cygwin DLLs use 'cyg' prefix rather than 'lib' soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}' m4_if([$1], [],[ sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api"]) ;; 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esac ;; gnu*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; haiku*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no dynamic_linker="$host_os runtime_loader" library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LIBRARY_PATH shlibpath_overrides_runpath=yes sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib' hardcode_into_libs=yes ;; hpux9* | hpux10* | hpux11*) # Give a soname corresponding to the major version so that dld.sl refuses to # link against other versions. version_type=sunos need_lib_prefix=no need_version=no case $host_cpu in ia64*) shrext_cmds='.so' hardcode_into_libs=yes dynamic_linker="$host_os dld.so" shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' if test "X$HPUX_IA64_MODE" = X32; 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esac # HP-UX runs *really* slowly unless shared libraries are mode 555, ... postinstall_cmds='chmod 555 $lib' # or fails outright, so override atomically: install_override_mode=555 ;; interix[[3-9]]*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; irix5* | irix6* | nonstopux*) case $host_os in nonstopux*) version_type=nonstopux ;; *) if test "$lt_cv_prog_gnu_ld" = yes; then version_type=linux # correct to gnu/linux during the next big refactor else version_type=irix fi ;; esac need_lib_prefix=no need_version=no soname_spec='${libname}${release}${shared_ext}$major' library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}' case $host_os in irix5* | nonstopux*) libsuff= shlibsuff= ;; *) case $LD in # libtool.m4 will add one of these switches to LD *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= libmagic=32-bit;; *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 libmagic=N32;; *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 libmagic=64-bit;; *) libsuff= shlibsuff= libmagic=never-match;; esac ;; esac shlibpath_var=LD_LIBRARY${shlibsuff}_PATH shlibpath_overrides_runpath=no sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}" sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}" hardcode_into_libs=yes ;; # No shared lib support for Linux oldld, aout, or coff. linux*oldld* | linux*aout* | linux*coff*) dynamic_linker=no ;; # This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no # Some binutils ld are patched to set DT_RUNPATH AC_CACHE_VAL([lt_cv_shlibpath_overrides_runpath], [lt_cv_shlibpath_overrides_runpath=no save_LDFLAGS=$LDFLAGS save_libdir=$libdir eval "libdir=/foo; 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The last name is the one that the linker finds with -lNAME]]) _LT_DECL([], [soname_spec], [1], [[The coded name of the library, if different from the real name]]) _LT_DECL([], [install_override_mode], [1], [Permission mode override for installation of shared libraries]) _LT_DECL([], [postinstall_cmds], [2], [Command to use after installation of a shared archive]) _LT_DECL([], [postuninstall_cmds], [2], [Command to use after uninstallation of a shared archive]) _LT_DECL([], [finish_cmds], [2], [Commands used to finish a libtool library installation in a directory]) _LT_DECL([], [finish_eval], [1], [[As "finish_cmds", except a single script fragment to be evaled but not shown]]) _LT_DECL([], [hardcode_into_libs], [0], [Whether we should hardcode library paths into libraries]) _LT_DECL([], [sys_lib_search_path_spec], [2], [Compile-time system search path for libraries]) _LT_DECL([], [sys_lib_dlsearch_path_spec], [2], [Run-time system search path for libraries]) ])# _LT_SYS_DYNAMIC_LINKER # _LT_PATH_TOOL_PREFIX(TOOL) # -------------------------- # find a file program which can recognize shared library AC_DEFUN([_LT_PATH_TOOL_PREFIX], [m4_require([_LT_DECL_EGREP])dnl AC_MSG_CHECKING([for $1]) AC_CACHE_VAL(lt_cv_path_MAGIC_CMD, [case $MAGIC_CMD in [[\\/*] | ?:[\\/]*]) lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path. ;; *) lt_save_MAGIC_CMD="$MAGIC_CMD" lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR dnl $ac_dummy forces splitting on constant user-supplied paths. dnl POSIX.2 word splitting is done only on the output of word expansions, dnl not every word. 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then # Let the user override the test. lt_cv_path_NM="$NM" else lt_nm_to_check="${ac_tool_prefix}nm" if test -n "$ac_tool_prefix" && test "$build" = "$host"; then lt_nm_to_check="$lt_nm_to_check nm" fi for lt_tmp_nm in $lt_nm_to_check; do lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do IFS="$lt_save_ifs" test -z "$ac_dir" && ac_dir=. tmp_nm="$ac_dir/$lt_tmp_nm" if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext" ; then # Check to see if the nm accepts a BSD-compat flag. # Adding the `sed 1q' prevents false positives on HP-UX, which says: # nm: unknown option "B" ignored # Tru64's nm complains that /dev/null is an invalid object file case `"$tmp_nm" -B /dev/null 2>&1 | sed '1q'` in */dev/null* | *'Invalid file or object type'*) lt_cv_path_NM="$tmp_nm -B" break ;; *) case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in */dev/null*) lt_cv_path_NM="$tmp_nm -p" break ;; *) lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but continue # so that we can try to find one that supports BSD flags ;; 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then MANIFEST_TOOL=: fi _LT_DECL([], [MANIFEST_TOOL], [1], [Manifest tool])dnl ])# _LT_PATH_MANIFEST_TOOL # LT_LIB_M # -------- # check for math library AC_DEFUN([LT_LIB_M], [AC_REQUIRE([AC_CANONICAL_HOST])dnl LIBM= case $host in *-*-beos* | *-*-cegcc* | *-*-cygwin* | *-*-haiku* | *-*-pw32* | *-*-darwin*) # These system don't have libm, or don't need it ;; *-ncr-sysv4.3*) AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw") AC_CHECK_LIB(m, cos, LIBM="$LIBM -lm") ;; *) AC_CHECK_LIB(m, cos, LIBM="-lm") ;; esac AC_SUBST([LIBM]) ])# LT_LIB_M # Old name: AU_ALIAS([AC_CHECK_LIBM], [LT_LIB_M]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_CHECK_LIBM], []) # _LT_COMPILER_NO_RTTI([TAGNAME]) # ------------------------------- m4_defun([_LT_COMPILER_NO_RTTI], [m4_require([_LT_TAG_COMPILER])dnl _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)= if test "$GCC" = yes; then case $cc_basename in nvcc*) _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -Xcompiler -fno-builtin' ;; *) _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin' ;; 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AC_MSG_CHECKING([command to parse $NM output from $compiler object]) AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe], [ # These are sane defaults that work on at least a few old systems. # [They come from Ultrix. What could be older than Ultrix?!! ;)] # Character class describing NM global symbol codes. symcode='[[BCDEGRST]]' # Regexp to match symbols that can be accessed directly from C. sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)' # Define system-specific variables. case $host_os in aix*) symcode='[[BCDT]]' ;; cygwin* | mingw* | pw32* | cegcc*) symcode='[[ABCDGISTW]]' ;; hpux*) if test "$host_cpu" = ia64; then symcode='[[ABCDEGRST]]' fi ;; irix* | nonstopux*) symcode='[[BCDEGRST]]' ;; osf*) symcode='[[BCDEGQRST]]' ;; solaris*) symcode='[[BDRT]]' ;; sco3.2v5*) symcode='[[DT]]' ;; sysv4.2uw2*) symcode='[[DT]]' ;; sysv5* | sco5v6* | unixware* | OpenUNIX*) symcode='[[ABDT]]' ;; sysv4) symcode='[[DFNSTU]]' ;; esac # If we're using GNU nm, then use its standard symbol codes. case `$NM -V 2>&1` in *GNU* | *'with BFD'*) symcode='[[ABCDGIRSTW]]' ;; esac # Transform an extracted symbol line into a proper C declaration. # Some systems (esp. on ia64) link data and code symbols differently, # so use this general approach. lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'" # Transform an extracted symbol line into symbol name and symbol address lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\)[[ ]]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/ {\"\2\", (void *) \&\2},/p'" lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n -e 's/^: \([[^ ]]*\)[[ ]]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \(lib[[^ ]]*\)$/ {\"\2\", (void *) \&\2},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/ {\"lib\2\", (void *) \&\2},/p'" # Handle CRLF in mingw tool chain opt_cr= case $build_os in mingw*) opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp ;; esac # Try without a prefix underscore, then with it. for ac_symprfx in "" "_"; do # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. symxfrm="\\1 $ac_symprfx\\2 \\2" # Write the raw and C identifiers. if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Fake it for dumpbin and say T for any non-static function # and D for any global variable. # Also find C++ and __fastcall symbols from MSVC++, # which start with @ or ?. lt_cv_sys_global_symbol_pipe="$AWK ['"\ " {last_section=section; section=\$ 3};"\ " /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ " /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ " \$ 0!~/External *\|/{next};"\ " / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ " {if(hide[section]) next};"\ " {f=0}; \$ 0~/\(\).*\|/{f=1}; {printf f ? \"T \" : \"D \"};"\ " {split(\$ 0, a, /\||\r/); split(a[2], s)};"\ " s[1]~/^[@?]/{print s[1], s[1]; next};"\ " s[1]~prfx {split(s[1],t,\"@\"); print t[1], substr(t[1],length(prfx))}"\ " ' prfx=^$ac_symprfx]" else lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[[ ]]\($symcode$symcode*\)[[ ]][[ ]]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" fi lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'" # Check to see that the pipe works correctly. pipe_works=no rm -f conftest* cat > conftest.$ac_ext <<_LT_EOF #ifdef __cplusplus extern "C" { #endif char nm_test_var; void nm_test_func(void); void nm_test_func(void){} #ifdef __cplusplus } #endif int main(){nm_test_var='a';nm_test_func();return(0);} _LT_EOF if AC_TRY_EVAL(ac_compile); then # Now try to grab the symbols. nlist=conftest.nm if AC_TRY_EVAL(NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) && test -s "$nlist"; then # Try sorting and uniquifying the output. if sort "$nlist" | uniq > "$nlist"T; then mv -f "$nlist"T "$nlist" else rm -f "$nlist"T fi # Make sure that we snagged all the symbols we need. if $GREP ' nm_test_var$' "$nlist" >/dev/null; then if $GREP ' nm_test_func$' "$nlist" >/dev/null; then cat <<_LT_EOF > conftest.$ac_ext /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE) /* DATA imports from DLLs on WIN32 con't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT@&t@_DLSYM_CONST #elif defined(__osf__) /* This system does not cope well with relocations in const data. */ # define LT@&t@_DLSYM_CONST #else # define LT@&t@_DLSYM_CONST const #endif #ifdef __cplusplus extern "C" { #endif _LT_EOF # Now generate the symbol file. eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' cat <<_LT_EOF >> conftest.$ac_ext /* The mapping between symbol names and symbols. */ LT@&t@_DLSYM_CONST struct { const char *name; void *address; } lt__PROGRAM__LTX_preloaded_symbols[[]] = { { "@PROGRAM@", (void *) 0 }, _LT_EOF $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/ {\"\2\", (void *) \&\2},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext cat <<\_LT_EOF >> conftest.$ac_ext {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt__PROGRAM__LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif _LT_EOF # Now try linking the two files. mv conftest.$ac_objext conftstm.$ac_objext lt_globsym_save_LIBS=$LIBS lt_globsym_save_CFLAGS=$CFLAGS LIBS="conftstm.$ac_objext" CFLAGS="$CFLAGS$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)" if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext}; then pipe_works=yes fi LIBS=$lt_globsym_save_LIBS CFLAGS=$lt_globsym_save_CFLAGS else echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD fi else echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD fi else echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD fi else echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD cat conftest.$ac_ext >&5 fi rm -rf conftest* conftst* # Do not use the global_symbol_pipe unless it works. if test "$pipe_works" = yes; then break else lt_cv_sys_global_symbol_pipe= fi done ]) if test -z "$lt_cv_sys_global_symbol_pipe"; then lt_cv_sys_global_symbol_to_cdecl= fi if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then AC_MSG_RESULT(failed) else AC_MSG_RESULT(ok) fi # Response file support. if test "$lt_cv_nm_interface" = "MS dumpbin"; then nm_file_list_spec='@' elif $NM --help 2>/dev/null | grep '[[@]]FILE' >/dev/null; then nm_file_list_spec='@' fi _LT_DECL([global_symbol_pipe], [lt_cv_sys_global_symbol_pipe], [1], [Take the output of nm and produce a listing of raw symbols and C names]) _LT_DECL([global_symbol_to_cdecl], [lt_cv_sys_global_symbol_to_cdecl], [1], [Transform the output of nm in a proper C declaration]) _LT_DECL([global_symbol_to_c_name_address], [lt_cv_sys_global_symbol_to_c_name_address], [1], [Transform the output of nm in a C name address pair]) _LT_DECL([global_symbol_to_c_name_address_lib_prefix], [lt_cv_sys_global_symbol_to_c_name_address_lib_prefix], [1], [Transform the output of nm in a C name address pair when lib prefix is needed]) _LT_DECL([], [nm_file_list_spec], [1], [Specify filename containing input files for $NM]) ]) # _LT_CMD_GLOBAL_SYMBOLS # _LT_COMPILER_PIC([TAGNAME]) # --------------------------- m4_defun([_LT_COMPILER_PIC], [m4_require([_LT_TAG_COMPILER])dnl _LT_TAGVAR(lt_prog_compiler_wl, $1)= _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)= m4_if([$1], [CXX], [ # C++ specific cases for pic, static, wl, etc. if test "$GXX" = yes; then _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' case $host_os in aix*) # All AIX code is PIC. if test "$host_cpu" = ia64; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; m68k) # FIXME: we need at least 68020 code to build shared libraries, but # adding the `-m68020' flag to GCC prevents building anything better, # like `-m68040'. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' ;; esac ;; beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; mingw* | cygwin* | os2* | pw32* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). # Although the cygwin gcc ignores -fPIC, still need this for old-style # (--disable-auto-import) libraries m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' ;; *djgpp*) # DJGPP does not support shared libraries at all _LT_TAGVAR(lt_prog_compiler_pic, $1)= ;; haiku*) # PIC is the default for Haiku. # The "-static" flag exists, but is broken. _LT_TAGVAR(lt_prog_compiler_static, $1)= ;; interix[[3-9]]*) # Interix 3.x gcc -fpic/-fPIC options generate broken code. # Instead, we relocate shared libraries at runtime. ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic fi ;; hpux*) # PIC is the default for 64-bit PA HP-UX, but not for 32-bit # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag # sets the default TLS model and affects inlining. case $host_cpu in hppa*64*) ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac ;; *qnx* | *nto*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac else case $host_os in aix[[4-9]]*) # All AIX code is PIC. if test "$host_cpu" = ia64; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' else _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' fi ;; chorus*) case $cc_basename in cxch68*) # Green Hills C++ Compiler # _LT_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a" ;; esac ;; mingw* | cygwin* | os2* | pw32* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; dgux*) case $cc_basename in ec++*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' ;; ghcx*) # Green Hills C++ Compiler _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; *) ;; esac ;; freebsd* | dragonfly*) # FreeBSD uses GNU C++ ;; hpux9* | hpux10* | hpux11*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive' if test "$host_cpu" != ia64; then _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' fi ;; aCC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive' case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' ;; esac ;; *) ;; esac ;; interix*) # This is c89, which is MS Visual C++ (no shared libs) # Anyone wants to do a port? ;; irix5* | irix6* | nonstopux*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' # CC pic flag -KPIC is the default. ;; *) ;; esac ;; linux* | k*bsd*-gnu | kopensolaris*-gnu) case $cc_basename in KCC*) # KAI C++ Compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; ecpc* ) # old Intel C++ for x86_64 which still supported -KPIC. _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; icpc* ) # Intel C++, used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; pgCC* | pgcpp*) # Portland Group C++ compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; cxx*) # Compaq C++ # Make sure the PIC flag is empty. It appears that all Alpha # Linux and Compaq Tru64 Unix objects are PIC. _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; xlc* | xlC* | bgxl[[cC]]* | mpixl[[cC]]*) # IBM XL 8.0, 9.0 on PPC and BlueGene _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' ;; *) case `$CC -V 2>&1 | sed 5q` in *Sun\ C*) # Sun C++ 5.9 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; esac ;; esac ;; lynxos*) ;; m88k*) ;; mvs*) case $cc_basename in cxx*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall' ;; *) ;; esac ;; netbsd*) ;; *qnx* | *nto*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; osf3* | osf4* | osf5*) case $cc_basename in KCC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' ;; RCC*) # Rational C++ 2.4.1 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; cxx*) # Digital/Compaq C++ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # Make sure the PIC flag is empty. It appears that all Alpha # Linux and Compaq Tru64 Unix objects are PIC. _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; *) ;; esac ;; psos*) ;; solaris*) case $cc_basename in CC* | sunCC*) # Sun C++ 4.2, 5.x and Centerline C++ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; gcx*) # Green Hills C++ Compiler _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' ;; *) ;; esac ;; sunos4*) case $cc_basename in CC*) # Sun C++ 4.x _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; lcc*) # Lucid _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; *) ;; esac ;; sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; esac ;; tandem*) case $cc_basename in NCC*) # NonStop-UX NCC 3.20 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' ;; *) ;; esac ;; vxworks*) ;; *) _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; esac fi ], [ if test "$GCC" = yes; then _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' case $host_os in aix*) # All AIX code is PIC. if test "$host_cpu" = ia64; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; m68k) # FIXME: we need at least 68020 code to build shared libraries, but # adding the `-m68020' flag to GCC prevents building anything better, # like `-m68040'. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' ;; esac ;; beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; mingw* | cygwin* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). # Although the cygwin gcc ignores -fPIC, still need this for old-style # (--disable-auto-import) libraries m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' ;; haiku*) # PIC is the default for Haiku. # The "-static" flag exists, but is broken. _LT_TAGVAR(lt_prog_compiler_static, $1)= ;; hpux*) # PIC is the default for 64-bit PA HP-UX, but not for 32-bit # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag # sets the default TLS model and affects inlining. case $host_cpu in hppa*64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac ;; interix[[3-9]]*) # Interix 3.x gcc -fpic/-fPIC options generate broken code. # Instead, we relocate shared libraries at runtime. ;; msdosdjgpp*) # Just because we use GCC doesn't mean we suddenly get shared libraries # on systems that don't support them. _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no enable_shared=no ;; *nto* | *qnx*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic fi ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac case $cc_basename in nvcc*) # Cuda Compiler Driver 2.2 _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Xlinker ' if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then _LT_TAGVAR(lt_prog_compiler_pic, $1)="-Xcompiler $_LT_TAGVAR(lt_prog_compiler_pic, $1)" fi ;; esac else # PORTME Check for flag to pass linker flags through the system compiler. case $host_os in aix*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' if test "$host_cpu" = ia64; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' else _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' fi ;; mingw* | cygwin* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; hpux9* | hpux10* | hpux11*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but # not for PA HP-UX. case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' ;; esac # Is there a better lt_prog_compiler_static that works with the bundled CC? _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive' ;; irix5* | irix6* | nonstopux*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # PIC (with -KPIC) is the default. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; linux* | k*bsd*-gnu | kopensolaris*-gnu) case $cc_basename in # old Intel for x86_64 which still supported -KPIC. ecc*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # icc used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. icc* | ifort*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # Lahey Fortran 8.1. lf95*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='--shared' _LT_TAGVAR(lt_prog_compiler_static, $1)='--static' ;; nagfor*) # NAG Fortran compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*) # Portland Group compilers (*not* the Pentium gcc compiler, # which looks to be a dead project) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; ccc*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # All Alpha code is PIC. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; xl* | bgxl* | bgf* | mpixl*) # IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' ;; *) case `$CC -V 2>&1 | sed 5q` in *Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [[1-7]].* | *Sun*Fortran*\ 8.[[0-3]]*) # Sun Fortran 8.3 passes all unrecognized flags to the linker _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='' ;; *Sun\ F* | *Sun*Fortran*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; 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FIXME _LT_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' else _LT_TAGVAR(ld_shlibs, $1)=no fi ;; cygwin* | mingw* | pw32* | cegcc*) # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless, # as there is no search path for DLLs. _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-all-symbols' _LT_TAGVAR(allow_undefined_flag, $1)=unsupported _LT_TAGVAR(always_export_symbols, $1)=no _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.* //'\'' | sort | uniq > $export_symbols' _LT_TAGVAR(exclude_expsyms, $1)=['[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname'] if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' # If the export-symbols file already is a .def file (1st line # is EXPORTS), use it as is; otherwise, prepend... _LT_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then cp $export_symbols $output_objdir/$soname.def; else echo EXPORTS > $output_objdir/$soname.def; cat $export_symbols >> $output_objdir/$soname.def; fi~ $CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' else _LT_TAGVAR(ld_shlibs, $1)=no fi ;; haiku*) _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' _LT_TAGVAR(link_all_deplibs, $1)=yes ;; interix[[3-9]]*) _LT_TAGVAR(hardcode_direct, $1)=no _LT_TAGVAR(hardcode_shlibpath_var, $1)=no _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc. # Instead, shared libraries are loaded at an image base (0x10000000 by # default) and relocated if they conflict, which is a slow very memory # consuming and fragmenting process. 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|| _lt_function_replace_fail=: else # Save a `func_append' function call even when '+=' is not available sed -e 's%func_append \([[a-zA-Z_]]\{1,\}\) "%\1="$\1%g' $cfgfile > $cfgfile.tmp \ && mv -f "$cfgfile.tmp" "$cfgfile" \ || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") test 0 -eq $? || _lt_function_replace_fail=: fi if test x"$_lt_function_replace_fail" = x":"; then AC_MSG_WARN([Unable to substitute extended shell functions in $ofile]) fi ]) # _LT_PATH_CONVERSION_FUNCTIONS # ----------------------------- # Determine which file name conversion functions should be used by # func_to_host_file (and, implicitly, by func_to_host_path). These are needed # for certain cross-compile configurations and native mingw. m4_defun([_LT_PATH_CONVERSION_FUNCTIONS], [AC_REQUIRE([AC_CANONICAL_HOST])dnl AC_REQUIRE([AC_CANONICAL_BUILD])dnl AC_MSG_CHECKING([how to convert $build file names to $host format]) AC_CACHE_VAL(lt_cv_to_host_file_cmd, [case $host in *-*-mingw* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32 ;; *-*-cygwin* ) lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32 ;; * ) # otherwise, assume *nix lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32 ;; esac ;; *-*-cygwin* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin ;; *-*-cygwin* ) lt_cv_to_host_file_cmd=func_convert_file_noop ;; * ) # otherwise, assume *nix lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin ;; esac ;; * ) # unhandled hosts (and "normal" native builds) lt_cv_to_host_file_cmd=func_convert_file_noop ;; esac ]) to_host_file_cmd=$lt_cv_to_host_file_cmd AC_MSG_RESULT([$lt_cv_to_host_file_cmd]) _LT_DECL([to_host_file_cmd], [lt_cv_to_host_file_cmd], [0], [convert $build file names to $host format])dnl AC_MSG_CHECKING([how to convert $build file names to toolchain format]) AC_CACHE_VAL(lt_cv_to_tool_file_cmd, [#assume ordinary cross tools, or native build. lt_cv_to_tool_file_cmd=func_convert_file_noop case $host in *-*-mingw* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32 ;; esac ;; esac ]) to_tool_file_cmd=$lt_cv_to_tool_file_cmd AC_MSG_RESULT([$lt_cv_to_tool_file_cmd]) _LT_DECL([to_tool_file_cmd], [lt_cv_to_tool_file_cmd], [0], [convert $build files to toolchain format])dnl ])# _LT_PATH_CONVERSION_FUNCTIONS # Helper functions for option handling. -*- Autoconf -*- # # Copyright (C) 2004, 2005, 2007, 2008, 2009 Free Software Foundation, # Inc. # Written by Gary V. Vaughan, 2004 # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # serial 7 ltoptions.m4 # This is to help aclocal find these macros, as it can't see m4_define. AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])]) # _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME) # ------------------------------------------ m4_define([_LT_MANGLE_OPTION], [[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])]) # _LT_SET_OPTION(MACRO-NAME, OPTION-NAME) # --------------------------------------- # Set option OPTION-NAME for macro MACRO-NAME, and if there is a # matching handler defined, dispatch to it. Other OPTION-NAMEs are # saved as a flag. m4_define([_LT_SET_OPTION], [m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]), _LT_MANGLE_DEFUN([$1], [$2]), [m4_warning([Unknown $1 option `$2'])])[]dnl ]) # _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET]) # ------------------------------------------------------------ # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise. m4_define([_LT_IF_OPTION], [m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])]) # _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET) # ------------------------------------------------------- # Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME # are set. m4_define([_LT_UNLESS_OPTIONS], [m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), [m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option), [m4_define([$0_found])])])[]dnl m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3 ])[]dnl ]) # _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST) # ---------------------------------------- # OPTION-LIST is a space-separated list of Libtool options associated # with MACRO-NAME. If any OPTION has a matching handler declared with # LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about # the unknown option and exit. m4_defun([_LT_SET_OPTIONS], [# Set options m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), [_LT_SET_OPTION([$1], _LT_Option)]) m4_if([$1],[LT_INIT],[ dnl dnl Simply set some default values (i.e off) if boolean options were not dnl specified: _LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no ]) _LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no ]) dnl dnl If no reference was made to various pairs of opposing options, then dnl we run the default mode handler for the pair. For example, if neither dnl `shared' nor `disable-shared' was passed, we enable building of shared dnl archives by default: _LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED]) _LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC]) _LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC]) _LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install], [_LT_ENABLE_FAST_INSTALL]) ]) ])# _LT_SET_OPTIONS # _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME) # ----------------------------------------- m4_define([_LT_MANGLE_DEFUN], [[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])]) # LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE) # ----------------------------------------------- m4_define([LT_OPTION_DEFINE], [m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl ])# LT_OPTION_DEFINE # dlopen # ------ LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes ]) AU_DEFUN([AC_LIBTOOL_DLOPEN], [_LT_SET_OPTION([LT_INIT], [dlopen]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the `dlopen' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], []) # win32-dll # --------- # Declare package support for building win32 dll's. LT_OPTION_DEFINE([LT_INIT], [win32-dll], [enable_win32_dll=yes case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc*) AC_CHECK_TOOL(AS, as, false) AC_CHECK_TOOL(DLLTOOL, dlltool, false) AC_CHECK_TOOL(OBJDUMP, objdump, false) ;; esac test -z "$AS" && AS=as _LT_DECL([], [AS], [1], [Assembler program])dnl test -z "$DLLTOOL" && DLLTOOL=dlltool _LT_DECL([], [DLLTOOL], [1], [DLL creation program])dnl test -z "$OBJDUMP" && OBJDUMP=objdump _LT_DECL([], [OBJDUMP], [1], [Object dumper program])dnl ])# win32-dll AU_DEFUN([AC_LIBTOOL_WIN32_DLL], [AC_REQUIRE([AC_CANONICAL_HOST])dnl _LT_SET_OPTION([LT_INIT], [win32-dll]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the `win32-dll' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_WIN32_DLL], []) # _LT_ENABLE_SHARED([DEFAULT]) # ---------------------------- # implement the --enable-shared flag, and supports the `shared' and # `disable-shared' LT_INIT options. # DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'. m4_define([_LT_ENABLE_SHARED], [m4_define([_LT_ENABLE_SHARED_DEFAULT], [m4_if($1, no, no, yes)])dnl AC_ARG_ENABLE([shared], [AS_HELP_STRING([--enable-shared@<:@=PKGS@:>@], [build shared libraries @<:@default=]_LT_ENABLE_SHARED_DEFAULT[@:>@])], [p=${PACKAGE-default} case $enableval in yes) enable_shared=yes ;; no) enable_shared=no ;; *) enable_shared=no # Look at the argument we got. We use all the common list separators. lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," for pkg in $enableval; do IFS="$lt_save_ifs" if test "X$pkg" = "X$p"; then enable_shared=yes fi done IFS="$lt_save_ifs" ;; esac], [enable_shared=]_LT_ENABLE_SHARED_DEFAULT) _LT_DECL([build_libtool_libs], [enable_shared], [0], [Whether or not to build shared libraries]) ])# _LT_ENABLE_SHARED LT_OPTION_DEFINE([LT_INIT], [shared], [_LT_ENABLE_SHARED([yes])]) LT_OPTION_DEFINE([LT_INIT], [disable-shared], [_LT_ENABLE_SHARED([no])]) # Old names: AC_DEFUN([AC_ENABLE_SHARED], [_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[shared]) ]) AC_DEFUN([AC_DISABLE_SHARED], [_LT_SET_OPTION([LT_INIT], [disable-shared]) ]) AU_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)]) AU_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AM_ENABLE_SHARED], []) dnl AC_DEFUN([AM_DISABLE_SHARED], []) # _LT_ENABLE_STATIC([DEFAULT]) # ---------------------------- # implement the --enable-static flag, and support the `static' and # `disable-static' LT_INIT options. # DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'. m4_define([_LT_ENABLE_STATIC], [m4_define([_LT_ENABLE_STATIC_DEFAULT], [m4_if($1, no, no, yes)])dnl AC_ARG_ENABLE([static], [AS_HELP_STRING([--enable-static@<:@=PKGS@:>@], [build static libraries @<:@default=]_LT_ENABLE_STATIC_DEFAULT[@:>@])], [p=${PACKAGE-default} case $enableval in yes) enable_static=yes ;; no) enable_static=no ;; *) enable_static=no # Look at the argument we got. We use all the common list separators. lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," for pkg in $enableval; do IFS="$lt_save_ifs" if test "X$pkg" = "X$p"; then enable_static=yes fi done IFS="$lt_save_ifs" ;; esac], [enable_static=]_LT_ENABLE_STATIC_DEFAULT) _LT_DECL([build_old_libs], [enable_static], [0], [Whether or not to build static libraries]) ])# _LT_ENABLE_STATIC LT_OPTION_DEFINE([LT_INIT], [static], [_LT_ENABLE_STATIC([yes])]) LT_OPTION_DEFINE([LT_INIT], [disable-static], [_LT_ENABLE_STATIC([no])]) # Old names: AC_DEFUN([AC_ENABLE_STATIC], [_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static]) ]) AC_DEFUN([AC_DISABLE_STATIC], [_LT_SET_OPTION([LT_INIT], [disable-static]) ]) AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)]) AU_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AM_ENABLE_STATIC], []) dnl AC_DEFUN([AM_DISABLE_STATIC], []) # _LT_ENABLE_FAST_INSTALL([DEFAULT]) # ---------------------------------- # implement the --enable-fast-install flag, and support the `fast-install' # and `disable-fast-install' LT_INIT options. # DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'. m4_define([_LT_ENABLE_FAST_INSTALL], [m4_define([_LT_ENABLE_FAST_INSTALL_DEFAULT], [m4_if($1, no, no, yes)])dnl AC_ARG_ENABLE([fast-install], [AS_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@], [optimize for fast installation @<:@default=]_LT_ENABLE_FAST_INSTALL_DEFAULT[@:>@])], [p=${PACKAGE-default} case $enableval in yes) enable_fast_install=yes ;; no) enable_fast_install=no ;; *) enable_fast_install=no # Look at the argument we got. We use all the common list separators. lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," for pkg in $enableval; do IFS="$lt_save_ifs" if test "X$pkg" = "X$p"; then enable_fast_install=yes fi done IFS="$lt_save_ifs" ;; esac], [enable_fast_install=]_LT_ENABLE_FAST_INSTALL_DEFAULT) _LT_DECL([fast_install], [enable_fast_install], [0], [Whether or not to optimize for fast installation])dnl ])# _LT_ENABLE_FAST_INSTALL LT_OPTION_DEFINE([LT_INIT], [fast-install], [_LT_ENABLE_FAST_INSTALL([yes])]) LT_OPTION_DEFINE([LT_INIT], [disable-fast-install], [_LT_ENABLE_FAST_INSTALL([no])]) # Old names: AU_DEFUN([AC_ENABLE_FAST_INSTALL], [_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[fast-install]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the `fast-install' option into LT_INIT's first parameter.]) ]) AU_DEFUN([AC_DISABLE_FAST_INSTALL], [_LT_SET_OPTION([LT_INIT], [disable-fast-install]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the `disable-fast-install' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_ENABLE_FAST_INSTALL], []) dnl AC_DEFUN([AM_DISABLE_FAST_INSTALL], []) # _LT_WITH_PIC([MODE]) # -------------------- # implement the --with-pic flag, and support the `pic-only' and `no-pic' # LT_INIT options. # MODE is either `yes' or `no'. If omitted, it defaults to `both'. m4_define([_LT_WITH_PIC], [AC_ARG_WITH([pic], [AS_HELP_STRING([--with-pic@<:@=PKGS@:>@], [try to use only PIC/non-PIC objects @<:@default=use both@:>@])], [lt_p=${PACKAGE-default} case $withval in yes|no) pic_mode=$withval ;; *) pic_mode=default # Look at the argument we got. We use all the common list separators. lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," for lt_pkg in $withval; do IFS="$lt_save_ifs" if test "X$lt_pkg" = "X$lt_p"; then pic_mode=yes fi done IFS="$lt_save_ifs" ;; esac], [pic_mode=default]) test -z "$pic_mode" && pic_mode=m4_default([$1], [default]) _LT_DECL([], [pic_mode], [0], [What type of objects to build])dnl ])# _LT_WITH_PIC LT_OPTION_DEFINE([LT_INIT], [pic-only], [_LT_WITH_PIC([yes])]) LT_OPTION_DEFINE([LT_INIT], [no-pic], [_LT_WITH_PIC([no])]) # Old name: AU_DEFUN([AC_LIBTOOL_PICMODE], [_LT_SET_OPTION([LT_INIT], [pic-only]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the `pic-only' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_PICMODE], []) m4_define([_LTDL_MODE], []) LT_OPTION_DEFINE([LTDL_INIT], [nonrecursive], [m4_define([_LTDL_MODE], [nonrecursive])]) LT_OPTION_DEFINE([LTDL_INIT], [recursive], [m4_define([_LTDL_MODE], [recursive])]) LT_OPTION_DEFINE([LTDL_INIT], [subproject], [m4_define([_LTDL_MODE], [subproject])]) m4_define([_LTDL_TYPE], []) LT_OPTION_DEFINE([LTDL_INIT], [installable], [m4_define([_LTDL_TYPE], [installable])]) LT_OPTION_DEFINE([LTDL_INIT], [convenience], [m4_define([_LTDL_TYPE], [convenience])]) # ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- # # Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc. # Written by Gary V. Vaughan, 2004 # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # serial 6 ltsugar.m4 # This is to help aclocal find these macros, as it can't see m4_define. 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It does not imply ALL GNU software can. # # This file is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, see . # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # Please send patches to . Submit a context # diff and a properly formatted GNU ChangeLog entry. # # Configuration subroutine to validate and canonicalize a configuration type. # Supply the specified configuration type as an argument. # If it is invalid, we print an error message on stderr and exit with code 1. # Otherwise, we print the canonical config type on stdout and succeed. # You can get the latest version of this script from: # http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD # This file is supposed to be the same for all GNU packages # and recognize all the CPU types, system types and aliases # that are meaningful with *any* GNU software. # Each package is responsible for reporting which valid configurations # it does not support. The user should be able to distinguish # a failure to support a valid configuration from a meaningless # configuration. # The goal of this file is to map all the various variations of a given # machine specification into a single specification in the form: # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM # or in some cases, the newer four-part form: # CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM # It is wrong to echo any other type of specification. me=`echo "$0" | sed -e 's,.*/,,'` usage="\ Usage: $0 [OPTION] CPU-MFR-OPSYS $0 [OPTION] ALIAS Canonicalize a configuration name. Operation modes: -h, --help print this help, then exit -t, --time-stamp print date of last modification, then exit -v, --version print version number, then exit Report bugs and patches to ." version="\ GNU config.sub ($timestamp) Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." help=" Try \`$me --help' for more information." # Parse command line while test $# -gt 0 ; do case $1 in --time-stamp | --time* | -t ) echo "$timestamp" ; exit ;; --version | -v ) echo "$version" ; exit ;; --help | --h* | -h ) echo "$usage"; exit ;; -- ) # Stop option processing shift; break ;; - ) # Use stdin as input. break ;; -* ) echo "$me: invalid option $1$help" exit 1 ;; *local*) # First pass through any local machine types. echo $1 exit ;; * ) break ;; esac done case $# in 0) echo "$me: missing argument$help" >&2 exit 1;; 1) ;; *) echo "$me: too many arguments$help" >&2 exit 1;; esac # Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any). # Here we must recognize all the valid KERNEL-OS combinations. maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'` case $maybe_os in nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \ linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \ knetbsd*-gnu* | netbsd*-gnu* | \ kopensolaris*-gnu* | \ storm-chaos* | os2-emx* | rtmk-nova*) os=-$maybe_os basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'` ;; android-linux) os=-linux-android basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`-unknown ;; *) basic_machine=`echo $1 | sed 's/-[^-]*$//'` if [ $basic_machine != $1 ] then os=`echo $1 | sed 's/.*-/-/'` else os=; fi ;; esac ### Let's recognize common machines as not being operating systems so ### that things like config.sub decstation-3100 work. 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esac # Decode aliases for certain CPU-COMPANY combinations. case $basic_machine in # Recognize the basic CPU types without company name. # Some are omitted here because they have special meanings below. 1750a | 580 \ | a29k \ | aarch64 | aarch64_be \ | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \ | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \ | am33_2.0 \ | arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr | avr32 \ | be32 | be64 \ | bfin \ | c4x | clipper \ | d10v | d30v | dlx | dsp16xx \ | epiphany \ | fido | fr30 | frv \ | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \ | hexagon \ | i370 | i860 | i960 | ia64 \ | ip2k | iq2000 \ | le32 | le64 \ | lm32 \ | m32c | m32r | m32rle | m68000 | m68k | m88k \ | maxq | mb | microblaze | mcore | mep | metag \ | mips | mipsbe | mipseb | mipsel | mipsle \ | mips16 \ | mips64 | mips64el \ | mips64octeon | mips64octeonel \ | mips64orion | mips64orionel \ | mips64r5900 | mips64r5900el \ | mips64vr | mips64vrel \ | mips64vr4100 | mips64vr4100el \ | mips64vr4300 | mips64vr4300el \ | mips64vr5000 | mips64vr5000el \ | mips64vr5900 | mips64vr5900el \ | mipsisa32 | mipsisa32el \ | mipsisa32r2 | mipsisa32r2el \ | mipsisa64 | mipsisa64el \ | mipsisa64r2 | mipsisa64r2el \ | mipsisa64sb1 | mipsisa64sb1el \ | mipsisa64sr71k | mipsisa64sr71kel \ | mipstx39 | mipstx39el \ | mn10200 | mn10300 \ | moxie \ | mt \ | msp430 \ | nds32 | nds32le | nds32be \ | nios | nios2 \ | ns16k | ns32k \ | open8 \ | or32 \ | pdp10 | pdp11 | pj | pjl \ | powerpc | powerpc64 | powerpc64le | powerpcle \ | pyramid \ | rl78 | rx \ | score \ | sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \ | sh64 | sh64le \ | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \ | sparcv8 | sparcv9 | sparcv9b | sparcv9v \ | spu \ | tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \ | ubicom32 \ | v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \ | we32k \ | x86 | xc16x | xstormy16 | xtensa \ | z8k | z80) basic_machine=$basic_machine-unknown ;; c54x) basic_machine=tic54x-unknown ;; c55x) basic_machine=tic55x-unknown ;; c6x) basic_machine=tic6x-unknown ;; m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x | picochip) basic_machine=$basic_machine-unknown os=-none ;; m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k) ;; ms1) basic_machine=mt-unknown ;; strongarm | thumb | xscale) basic_machine=arm-unknown ;; xgate) basic_machine=$basic_machine-unknown os=-none ;; xscaleeb) basic_machine=armeb-unknown ;; xscaleel) basic_machine=armel-unknown ;; # We use `pc' rather than `unknown' # because (1) that's what they normally are, and # (2) the word "unknown" tends to confuse beginning users. i*86 | x86_64) basic_machine=$basic_machine-pc ;; # Object if more than one company name word. *-*-*) echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2 exit 1 ;; # Recognize the basic CPU types with company name. 580-* \ | a29k-* \ | aarch64-* | aarch64_be-* \ | alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \ | alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \ | alphapca5[67]-* | alpha64pca5[67]-* | arc-* \ | arm-* | armbe-* | armle-* | armeb-* | armv*-* \ | avr-* | avr32-* \ | be32-* | be64-* \ | bfin-* | bs2000-* \ | c[123]* | c30-* | [cjt]90-* | c4x-* \ | clipper-* | craynv-* | cydra-* \ | d10v-* | d30v-* | dlx-* \ | elxsi-* \ | f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \ | h8300-* | h8500-* \ | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \ | hexagon-* \ | i*86-* | i860-* | i960-* | ia64-* \ | ip2k-* | iq2000-* \ | le32-* | le64-* \ | lm32-* \ | m32c-* | m32r-* | m32rle-* \ | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \ | m88110-* | m88k-* | maxq-* | mcore-* | metag-* | microblaze-* \ | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \ | mips16-* \ | mips64-* | mips64el-* \ | mips64octeon-* | mips64octeonel-* \ | mips64orion-* | mips64orionel-* \ | mips64r5900-* | mips64r5900el-* \ | mips64vr-* | mips64vrel-* \ | mips64vr4100-* | mips64vr4100el-* \ | mips64vr4300-* | mips64vr4300el-* \ | mips64vr5000-* | mips64vr5000el-* \ | mips64vr5900-* | mips64vr5900el-* \ | mipsisa32-* | mipsisa32el-* \ | mipsisa32r2-* | mipsisa32r2el-* \ | mipsisa64-* | mipsisa64el-* \ | mipsisa64r2-* | mipsisa64r2el-* \ | mipsisa64sb1-* | mipsisa64sb1el-* \ | mipsisa64sr71k-* | mipsisa64sr71kel-* \ | mipstx39-* | mipstx39el-* \ | mmix-* \ | mt-* \ | msp430-* \ | nds32-* | nds32le-* | nds32be-* \ | nios-* | nios2-* \ | none-* | np1-* | ns16k-* | ns32k-* \ | open8-* \ | orion-* \ | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \ | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \ | pyramid-* \ | rl78-* | romp-* | rs6000-* | rx-* \ | sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \ | shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \ | sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \ | sparclite-* \ | sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx?-* \ | tahoe-* \ | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \ | tile*-* \ | tron-* \ | ubicom32-* \ | v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \ | vax-* \ | we32k-* \ | x86-* | x86_64-* | xc16x-* | xps100-* \ | xstormy16-* | xtensa*-* \ | ymp-* \ | z8k-* | z80-*) ;; # Recognize the basic CPU types without company name, with glob match. xtensa*) basic_machine=$basic_machine-unknown ;; # Recognize the various machine names and aliases which stand # for a CPU type and a company and sometimes even an OS. 386bsd) basic_machine=i386-unknown os=-bsd ;; 3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc) basic_machine=m68000-att ;; 3b*) basic_machine=we32k-att ;; a29khif) basic_machine=a29k-amd os=-udi ;; abacus) basic_machine=abacus-unknown ;; adobe68k) basic_machine=m68010-adobe os=-scout ;; alliant | fx80) basic_machine=fx80-alliant ;; altos | altos3068) basic_machine=m68k-altos ;; am29k) basic_machine=a29k-none os=-bsd ;; amd64) basic_machine=x86_64-pc ;; amd64-*) basic_machine=x86_64-`echo $basic_machine | sed 's/^[^-]*-//'` ;; amdahl) basic_machine=580-amdahl os=-sysv ;; amiga | amiga-*) basic_machine=m68k-unknown ;; amigaos | amigados) basic_machine=m68k-unknown os=-amigaos ;; amigaunix | amix) basic_machine=m68k-unknown os=-sysv4 ;; apollo68) basic_machine=m68k-apollo os=-sysv ;; apollo68bsd) basic_machine=m68k-apollo os=-bsd ;; aros) basic_machine=i386-pc os=-aros ;; aux) basic_machine=m68k-apple os=-aux ;; balance) basic_machine=ns32k-sequent os=-dynix ;; blackfin) basic_machine=bfin-unknown os=-linux ;; blackfin-*) basic_machine=bfin-`echo $basic_machine | sed 's/^[^-]*-//'` os=-linux ;; bluegene*) basic_machine=powerpc-ibm os=-cnk ;; c54x-*) basic_machine=tic54x-`echo $basic_machine | sed 's/^[^-]*-//'` ;; c55x-*) basic_machine=tic55x-`echo $basic_machine | sed 's/^[^-]*-//'` ;; c6x-*) basic_machine=tic6x-`echo $basic_machine | sed 's/^[^-]*-//'` ;; c90) basic_machine=c90-cray os=-unicos ;; cegcc) basic_machine=arm-unknown os=-cegcc ;; convex-c1) basic_machine=c1-convex os=-bsd ;; convex-c2) basic_machine=c2-convex os=-bsd ;; convex-c32) basic_machine=c32-convex os=-bsd ;; convex-c34) basic_machine=c34-convex os=-bsd ;; convex-c38) basic_machine=c38-convex os=-bsd ;; cray | j90) basic_machine=j90-cray os=-unicos ;; craynv) basic_machine=craynv-cray os=-unicosmp ;; cr16 | cr16-*) basic_machine=cr16-unknown os=-elf ;; crds | unos) basic_machine=m68k-crds ;; crisv32 | crisv32-* | etraxfs*) basic_machine=crisv32-axis ;; cris | cris-* | etrax*) basic_machine=cris-axis ;; crx) basic_machine=crx-unknown os=-elf ;; da30 | da30-*) basic_machine=m68k-da30 ;; decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn) basic_machine=mips-dec ;; decsystem10* | dec10*) basic_machine=pdp10-dec os=-tops10 ;; decsystem20* | dec20*) basic_machine=pdp10-dec os=-tops20 ;; delta | 3300 | motorola-3300 | motorola-delta \ | 3300-motorola | delta-motorola) basic_machine=m68k-motorola ;; delta88) basic_machine=m88k-motorola os=-sysv3 ;; dicos) basic_machine=i686-pc os=-dicos ;; djgpp) basic_machine=i586-pc os=-msdosdjgpp ;; dpx20 | dpx20-*) basic_machine=rs6000-bull os=-bosx ;; dpx2* | dpx2*-bull) basic_machine=m68k-bull os=-sysv3 ;; ebmon29k) basic_machine=a29k-amd os=-ebmon ;; elxsi) basic_machine=elxsi-elxsi os=-bsd ;; encore | umax | mmax) basic_machine=ns32k-encore ;; es1800 | OSE68k | ose68k | ose | OSE) basic_machine=m68k-ericsson os=-ose ;; fx2800) basic_machine=i860-alliant ;; genix) basic_machine=ns32k-ns ;; gmicro) basic_machine=tron-gmicro os=-sysv ;; go32) basic_machine=i386-pc os=-go32 ;; h3050r* | hiux*) basic_machine=hppa1.1-hitachi os=-hiuxwe2 ;; h8300hms) basic_machine=h8300-hitachi os=-hms ;; h8300xray) basic_machine=h8300-hitachi os=-xray ;; h8500hms) basic_machine=h8500-hitachi os=-hms ;; harris) basic_machine=m88k-harris os=-sysv3 ;; hp300-*) basic_machine=m68k-hp ;; hp300bsd) basic_machine=m68k-hp os=-bsd ;; hp300hpux) basic_machine=m68k-hp os=-hpux ;; hp3k9[0-9][0-9] | hp9[0-9][0-9]) basic_machine=hppa1.0-hp ;; hp9k2[0-9][0-9] | hp9k31[0-9]) basic_machine=m68000-hp ;; hp9k3[2-9][0-9]) basic_machine=m68k-hp ;; hp9k6[0-9][0-9] | hp6[0-9][0-9]) basic_machine=hppa1.0-hp ;; hp9k7[0-79][0-9] | hp7[0-79][0-9]) basic_machine=hppa1.1-hp ;; hp9k78[0-9] | hp78[0-9]) # FIXME: really hppa2.0-hp basic_machine=hppa1.1-hp ;; hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893) # FIXME: really hppa2.0-hp basic_machine=hppa1.1-hp ;; hp9k8[0-9][13679] | hp8[0-9][13679]) basic_machine=hppa1.1-hp ;; hp9k8[0-9][0-9] | hp8[0-9][0-9]) basic_machine=hppa1.0-hp ;; hppa-next) os=-nextstep3 ;; hppaosf) basic_machine=hppa1.1-hp os=-osf ;; hppro) basic_machine=hppa1.1-hp os=-proelf ;; i370-ibm* | ibm*) basic_machine=i370-ibm ;; i*86v32) basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` os=-sysv32 ;; i*86v4*) basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` os=-sysv4 ;; i*86v) basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` os=-sysv ;; i*86sol2) basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` os=-solaris2 ;; i386mach) basic_machine=i386-mach os=-mach ;; i386-vsta | vsta) basic_machine=i386-unknown os=-vsta ;; iris | iris4d) basic_machine=mips-sgi case $os in -irix*) ;; *) os=-irix4 ;; esac ;; isi68 | isi) basic_machine=m68k-isi os=-sysv ;; m68knommu) basic_machine=m68k-unknown os=-linux ;; m68knommu-*) basic_machine=m68k-`echo $basic_machine | sed 's/^[^-]*-//'` os=-linux ;; m88k-omron*) basic_machine=m88k-omron ;; magnum | m3230) basic_machine=mips-mips os=-sysv ;; 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We pick the logical manufacturer. vendor=unknown case $basic_machine in *-unknown) case $os in -riscix*) vendor=acorn ;; -sunos*) vendor=sun ;; -cnk*|-aix*) vendor=ibm ;; -beos*) vendor=be ;; -hpux*) vendor=hp ;; -mpeix*) vendor=hp ;; -hiux*) vendor=hitachi ;; -unos*) vendor=crds ;; -dgux*) vendor=dg ;; -luna*) vendor=omron ;; -genix*) vendor=ns ;; -mvs* | -opened*) vendor=ibm ;; -os400*) vendor=ibm ;; -ptx*) vendor=sequent ;; -tpf*) vendor=ibm ;; -vxsim* | -vxworks* | -windiss*) vendor=wrs ;; -aux*) vendor=apple ;; -hms*) vendor=hitachi ;; -mpw* | -macos*) vendor=apple ;; -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*) vendor=atari ;; -vos*) vendor=stratus ;; esac basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"` ;; esac echo $basic_machine$os exit # Local variables: # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "timestamp='" # time-stamp-format: "%:y-%02m-%02d" # time-stamp-end: "'" # End: libnice-0.1.4/stun/0000775000175000017500000000000012112010566011107 500000000000000libnice-0.1.4/stun/sha1.h0000664000175000017500000000325211717015321012042 00000000000000/* * SHA1 hash implementation and interface functions * Copyright (c) 2003-2005, Jouni Malinen * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * Alternatively, this software may be distributed under the terms of BSD * license. * * See README and COPYING for more details. */ #ifndef SHA1_H #define SHA1_H #ifdef _WIN32 #include "win32_common.h" #else #include #endif #include #define SHA1_MAC_LEN 20 struct SHA1Context { uint32_t state[5]; uint32_t count[2]; unsigned char buffer[64]; }; typedef struct SHA1Context SHA1_CTX; void SHA1Init(SHA1_CTX *context); void SHA1Update(SHA1_CTX *context, const void *data, uint32_t len); void SHA1Final(unsigned char digest[20], SHA1_CTX *context); struct HMACContext { SHA1_CTX context; uint8_t key[64]; size_t key_len; }; typedef struct HMACContext HMAC_CTX; void HMACInit(HMAC_CTX *context, const uint8_t *key, size_t key_len); void HMACUpdate(HMAC_CTX *context, const void *data, uint32_t len); void HMACFinal(unsigned char digest[20], HMAC_CTX *context); void sha1_vector(size_t num_elem, const uint8_t *addr[], const size_t *len, uint8_t *mac); void hmac_sha1_vector(const uint8_t *key, size_t key_len, size_t num_elem, const uint8_t *addr[], const size_t *len, uint8_t *mac); void hmac_sha1(const uint8_t *key, size_t key_len, const uint8_t *data, size_t data_len, uint8_t *mac); void sha1_prf(const uint8_t *key, size_t key_len, const char *label, const uint8_t *data, size_t data_len, uint8_t *buf, size_t buf_len); #endif /* SHA1_H */ libnice-0.1.4/stun/stun5389.c0000664000175000017500000000700011522161146012517 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2007 Nokia Corporation. All rights reserved. * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include #endif #ifdef _WIN32 #include #else #include #include /* htons() */ #endif #include #include #include "stun5389.h" #include "stuncrc32.h" #include "stunmessage.h" static const char utf8_skip_data[256] = { 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,4,4,4,4,4,4,4,4,5,5,5,5,6,6,1,1 }; #define next_utf8_char(p) (char *)((p) + \ utf8_skip_data[*(const unsigned char *)(p)]) uint32_t stun_fingerprint (const uint8_t *msg, size_t len, bool wlm2009_stupid_crc32_typo) { crc_data data[3]; uint16_t fakelen = htons (len - 20u); // assert (len >= 28u); data[0].buf = (void *)msg; data[0].len = 2; data[1].buf = (uint8_t *)&fakelen; data[1].len = 2; data[2].buf = (void *)(msg + 4); /* first 4 bytes done, last 8 bytes not summed */ data[2].len = len - 12u; return htonl (stun_crc32 (data, 3, wlm2009_stupid_crc32_typo) ^ 0x5354554e); } bool stun_message_has_cookie (const StunMessage *msg) { StunTransactionId id; uint32_t cookie = htonl (STUN_MAGIC_COOKIE); stun_message_id (msg, id); return memcmp (id, &cookie, sizeof (cookie)) == 0; } StunMessageReturn stun_message_append_software (StunMessage *msg, const char *software) { int len = 0; const char *ptr = NULL; if (software == NULL) software = PACKAGE_STRING; ptr = software; while (*ptr && len < 128) { ptr = next_utf8_char (ptr); len++; } return stun_message_append_bytes (msg, STUN_ATTRIBUTE_SOFTWARE, software, ptr - software); } libnice-0.1.4/stun/sha1.c0000664000175000017500000003302511632012001012022 00000000000000/* * SHA1 hash implementation and interface functions * Copyright (c) 2003-2005, Jouni Malinen * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * Alternatively, this software may be distributed under the terms of BSD * license. * * See README and COPYING for more details. */ #include "sha1.h" #include /* ===== start - public domain SHA1 implementation ===== */ /* SHA-1 in C By Steve Reid 100% Public Domain ----------------- Modified 7/98 By James H. Brown Still 100% Public Domain Corrected a problem which generated improper hash values on 16 bit machines Routine SHA1Update changed from void SHA1Update(SHA1_CTX* context, unsigned char* data, unsigned int len) to void SHA1Update(SHA1_CTX* context, unsigned char* data, unsigned long len) The 'len' parameter was declared an int which works fine on 32 bit machines. However, on 16 bit machines an int is too small for the shifts being done against it. This caused the hash function to generate incorrect values if len was greater than 8191 (8K - 1) due to the 'len << 3' on line 3 of SHA1Update(). Since the file IO in main() reads 16K at a time, any file 8K or larger would be guaranteed to generate the wrong hash (e.g. Test Vector #3, a million "a"s). I also changed the declaration of variables i & j in SHA1Update to unsigned long from unsigned int for the same reason. These changes should make no difference to any 32 bit implementations since an int and a long are the same size in those environments. -- I also corrected a few compiler warnings generated by Borland C. 1. Added #include for exit() prototype 2. Removed unused variable 'j' in SHA1Final 3. Changed exit(0) to return(0) at end of main. ALL changes I made can be located by searching for comments containing 'JHB' ----------------- Modified 8/98 By Steve Reid Still 100% public domain 1- Removed #include and used return() instead of exit() 2- Fixed overwriting of finalcount in SHA1Final() (discovered by Chris Hall) 3- Changed email address from steve@edmweb.com to sreid@sea-to-sky.net ----------------- Modified 4/01 By Saul Kravitz Still 100% PD Modified to run on Compaq Alpha hardware. ----------------- Modified 4/01 By Jouni Malinen Minor changes to match the coding style used in Dynamics. Modified September 24, 2004 By Jouni Malinen Fixed alignment issue in SHA1Transform when SHA1HANDSOFF is defined. */ /* Test Vectors (from FIPS PUB 180-1) "abc" A9993E36 4706816A BA3E2571 7850C26C 9CD0D89D "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" 84983E44 1C3BD26E BAAE4AA1 F95129E5 E54670F1 A million repetitions of "a" 34AA973C D4C4DAA4 F61EEB2B DBAD2731 6534016F */ #define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits)))) /* blk0() and blk() perform the initial expand. */ /* I got the idea of expanding during the round function from SSLeay */ #define blk0(i) (block->l[i] = blk0_endiansafe (block->l[i])) #define blk(i) (block->l[i & 15] = rol(block->l[(i + 13) & 15] ^ \ block->l[(i + 8) & 15] ^ block->l[(i + 2) & 15] ^ block->l[i & 15], 1)) /* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */ #define R0(v,w,x,y,z,i) \ z += ((w & (x ^ y)) ^ y) + blk0(i) + 0x5A827999 + rol(v, 5); \ w = rol(w, 30); #define R1(v,w,x,y,z,i) \ z += ((w & (x ^ y)) ^ y) + blk(i) + 0x5A827999 + rol(v, 5); \ w = rol(w, 30); #define R2(v,w,x,y,z,i) \ z += (w ^ x ^ y) + blk(i) + 0x6ED9EBA1 + rol(v, 5); w = rol(w, 30); #define R3(v,w,x,y,z,i) \ z += (((w | x) & y) | (w & x)) + blk(i) + 0x8F1BBCDC + rol(v, 5); \ w = rol(w, 30); #define R4(v,w,x,y,z,i) \ z += (w ^ x ^ y) + blk(i) + 0xCA62C1D6 + rol(v, 5); \ w=rol(w, 30); static void SHA1Transform(uint32_t state[5], const unsigned char buffer[64]); /* Hash a single 512-bit block. This is the core of the algorithm. */ static int am_big_endian(void) { long one= 1; return !(*((char *)(&one))); } static uint32_t blk0_endiansafe (uint32_t l) { if (am_big_endian ()) return l; else return (rol(l, 24) & 0xFF00FF00) | (rol(l, 8) & 0x00FF00FF); } static void SHA1Transform(uint32_t state[5], const unsigned char buffer[64]) { uint32_t a, b, c, d, e; typedef union { uint8_t c[64]; uint32_t l[16]; } CHAR64LONG16; CHAR64LONG16* block; uint8_t workspace[64]; block = (CHAR64LONG16 *) workspace; memcpy(block, buffer, 64); /* Copy context->state[] to working vars */ a = state[0]; b = state[1]; c = state[2]; d = state[3]; e = state[4]; /* 4 rounds of 20 operations each. Loop unrolled. */ R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); R0(c,d,e,a,b, 3); R0(b,c,d,e,a, 4); R0(a,b,c,d,e, 5); R0(e,a,b,c,d, 6); R0(d,e,a,b,c, 7); R0(c,d,e,a,b, 8); R0(b,c,d,e,a, 9); R0(a,b,c,d,e,10); R0(e,a,b,c,d,11); R0(d,e,a,b,c,12); R0(c,d,e,a,b,13); R0(b,c,d,e,a,14); R0(a,b,c,d,e,15); R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19); R2(a,b,c,d,e,20); R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23); R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); R2(d,e,a,b,c,27); R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); R2(a,b,c,d,e,30); R2(e,a,b,c,d,31); R2(d,e,a,b,c,32); R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35); R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); R2(b,c,d,e,a,39); R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); R3(d,e,a,b,c,42); R3(c,d,e,a,b,43); R3(b,c,d,e,a,44); R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47); R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); R3(e,a,b,c,d,51); R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); R3(b,c,d,e,a,54); R3(a,b,c,d,e,55); R3(e,a,b,c,d,56); R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59); R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); R4(c,d,e,a,b,63); R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); R4(e,a,b,c,d,66); R4(d,e,a,b,c,67); R4(c,d,e,a,b,68); R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71); R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); R4(a,b,c,d,e,75); R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); R4(c,d,e,a,b,78); R4(b,c,d,e,a,79); /* Add the working vars back into context.state[] */ state[0] += a; state[1] += b; state[2] += c; state[3] += d; state[4] += e; /* Wipe variables */ a = b = c = d = e = 0; memset(block, 0, 64); } /* SHA1Init - Initialize new context */ void SHA1Init(SHA1_CTX* context) { /* SHA1 initialization constants */ context->state[0] = 0x67452301; context->state[1] = 0xEFCDAB89; context->state[2] = 0x98BADCFE; context->state[3] = 0x10325476; context->state[4] = 0xC3D2E1F0; context->count[0] = context->count[1] = 0; } /* Run your data through this. */ void SHA1Update(SHA1_CTX* context, const void *_data, uint32_t len) { uint32_t i, j; const unsigned char *data = _data; j = (context->count[0] >> 3) & 63; if ((context->count[0] += len << 3) < (len << 3)) context->count[1]++; context->count[1] += (len >> 29); if ((j + len) > 63) { memcpy(&context->buffer[j], data, (i = 64-j)); SHA1Transform(context->state, context->buffer); for ( ; i + 63 < len; i += 64) { SHA1Transform(context->state, &data[i]); } j = 0; } else i = 0; memcpy(&context->buffer[j], &data[i], len - i); } /* Add padding and return the message digest. */ void SHA1Final(unsigned char digest[20], SHA1_CTX* context) { uint32_t i; unsigned char finalcount[8]; for (i = 0; i < 8; i++) { finalcount[i] = (unsigned char) ((context->count[(i >= 4 ? 0 : 1)] >> ((3-(i & 3)) * 8) ) & 255); /* Endian independent */ } SHA1Update(context, (unsigned char *) "\200", 1); while ((context->count[0] & 504) != 448) { SHA1Update(context, (unsigned char *) "\0", 1); } SHA1Update(context, finalcount, 8); /* Should cause a SHA1Transform() */ for (i = 0; i < 20; i++) { digest[i] = (unsigned char) ((context->state[i >> 2] >> ((3 - (i & 3)) * 8)) & 255); } /* Wipe variables */ i = 0; memset(context->buffer, 0, 64); memset(context->state, 0, 20); memset(context->count, 0, 8); memset(finalcount, 0, 8); } /* ===== end - public domain SHA1 implementation ===== */ void HMACInit(HMAC_CTX* context, const uint8_t *key, size_t key_len) { unsigned char ipad[64]; /* padding - key XORd with ipad */ unsigned char tk[20]; size_t i; /* if key is longer than 64 bytes reset it to key = SHA1(key) */ if (key_len > 64) { sha1_vector(1, &key, &key_len, tk); key = tk; key_len = 20; } /* start out by storing key in ipad */ memset(ipad, 0, sizeof(ipad)); memcpy(ipad, key, key_len); /* XOR key with ipad values */ for (i = 0; i < 64; i++) ipad[i] ^= 0x36; /* Store the key in our context */ memcpy(context->key, key, key_len); context->key_len = key_len; SHA1Init (&context->context); SHA1Update (&context->context, ipad, sizeof(ipad)); } void HMACUpdate(HMAC_CTX *context, const void *data, uint32_t len) { SHA1Update (&context->context, data, len); } void HMACFinal(unsigned char digest[20], HMAC_CTX *context) { unsigned char opad[64]; /* padding - key XORd with opad */ unsigned char sha1_digest[SHA1_MAC_LEN]; const uint8_t *_addr[2]; size_t _len[2]; size_t i; SHA1Final (sha1_digest, &context->context); memset(opad, 0, sizeof(opad)); memcpy(opad, context->key, context->key_len); /* XOR key with opad values */ for (i = 0; i < 64; i++) opad[i] ^= 0x5c; /* perform outer SHA1 */ _addr[0] = opad; _len[0] = 64; _addr[1] = sha1_digest; _len[1] = SHA1_MAC_LEN; sha1_vector(2, _addr, _len, digest); } /** * hmac_sha1_vector: * @key: Key for HMAC operations * @key_len: Length of the key in bytes * @num_elem: Number of elements in the data vector * @addr: Pointers to the data areas * @len: Lengths of the data blocks * @mac: Buffer for the hash (20 bytes) * * HMAC-SHA1 over data vector (RFC 2104) */ void hmac_sha1_vector(const uint8_t *key, size_t key_len, size_t num_elem, const uint8_t *addr[], const size_t *len, uint8_t *mac) { unsigned char k_pad[64]; /* padding - key XORd with ipad/opad */ unsigned char tk[20]; const uint8_t *_addr[6]; size_t _len[6], i; if (num_elem > 5) { /* * Fixed limit on the number of fragments to avoid having to * allocate memory (which could fail). */ return; } /* if key is longer than 64 bytes reset it to key = SHA1(key) */ if (key_len > 64) { sha1_vector(1, &key, &key_len, tk); key = tk; key_len = 20; } /* the HMAC_SHA1 transform looks like: * * SHA1(K XOR opad, SHA1(K XOR ipad, text)) * * where K is an n byte key * ipad is the byte 0x36 repeated 64 times * opad is the byte 0x5c repeated 64 times * and text is the data being protected */ /* start out by storing key in ipad */ memset(k_pad, 0, sizeof(k_pad)); memcpy(k_pad, key, key_len); /* XOR key with ipad values */ for (i = 0; i < 64; i++) k_pad[i] ^= 0x36; /* perform inner SHA1 */ _addr[0] = k_pad; _len[0] = 64; for (i = 0; i < num_elem; i++) { _addr[i + 1] = addr[i]; _len[i + 1] = len[i]; } sha1_vector(1 + num_elem, _addr, _len, mac); memset(k_pad, 0, sizeof(k_pad)); memcpy(k_pad, key, key_len); /* XOR key with opad values */ for (i = 0; i < 64; i++) k_pad[i] ^= 0x5c; /* perform outer SHA1 */ _addr[0] = k_pad; _len[0] = 64; _addr[1] = mac; _len[1] = SHA1_MAC_LEN; sha1_vector(2, _addr, _len, mac); } /** * hmac_sha1: * @key: Key for HMAC operations * @key_len: Length of the key in bytes * @data: Pointers to the data area * @data_len: Length of the data area * @mac: Buffer for the hash (20 bytes) * * HMAC-SHA1 over data buffer (RFC 2104) */ void hmac_sha1(const uint8_t *key, size_t key_len, const uint8_t *data, size_t data_len, uint8_t *mac) { hmac_sha1_vector(key, key_len, 1, &data, &data_len, mac); } /** * sha1_prf: * @key: Key for PRF * @key_len: Length of the key in bytes * @label: A unique label for each purpose of the PRF * @data: Extra data to bind into the key * @data_len: Length of the data * @buf: Buffer for the generated pseudo-random key * @buf_len: Number of bytes of key to generate * * SHA1-based Pseudo-Random Function (PRF) (IEEE 802.11i, 8.5.1.1) * * This function is used to derive new, cryptographically separate keys from a * given key (e.g., PMK in IEEE 802.11i). */ void sha1_prf(const uint8_t *key, size_t key_len, const char *label, const uint8_t *data, size_t data_len, uint8_t *buf, size_t buf_len) { uint8_t counter = 0; size_t pos, plen; uint8_t hash[SHA1_MAC_LEN]; size_t label_len = strlen(label) + 1; const unsigned char *addr[3]; size_t len[3]; addr[0] = (uint8_t *) label; len[0] = label_len; addr[1] = data; len[1] = data_len; addr[2] = &counter; len[2] = 1; pos = 0; while (pos < buf_len) { plen = buf_len - pos; if (plen >= SHA1_MAC_LEN) { hmac_sha1_vector(key, key_len, 3, addr, len, &buf[pos]); pos += SHA1_MAC_LEN; } else { hmac_sha1_vector(key, key_len, 3, addr, len, hash); memcpy(&buf[pos], hash, plen); break; } counter++; } } /** * sha1_vector: * @num_elem: Number of elements in the data vector * @addr: Pointers to the data areas * @len: Lengths of the data blocks * @mac: Buffer for the hash * * SHA-1 hash for data vector */ void sha1_vector(size_t num_elem, const uint8_t *addr[], const size_t *len, uint8_t *mac) { SHA1_CTX ctx; size_t i; SHA1Init(&ctx); for (i = 0; i < num_elem; i++) SHA1Update(&ctx, addr[i], len[i]); SHA1Final(mac, &ctx); } libnice-0.1.4/stun/tools/0000775000175000017500000000000012112010566012247 500000000000000libnice-0.1.4/stun/tools/stund.c0000664000175000017500000001553211733146501013505 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2007-2009 Nokia Corporation. All rights reserved. * Contact: Rémi Denis-Courmont * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * Rémi Denis-Courmont, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include #endif #ifdef __sun #define _XPG4_2 1 #endif #ifndef _WIN32 #include #include #include #include #include #include #include #include #include #include #include #include #ifndef SOL_IP # define SOL_IP IPPROTO_IP #endif #ifndef SOL_IPV6 # define SOL_IPV6 IPPROTO_IPV6 #endif #ifndef IPV6_RECVPKTINFO # define IPV6_RECVPKTINFO IPV6_PKTINFO #endif /** Default port for STUN binding discovery */ #define IPPORT_STUN 3478 #include "stun/stunagent.h" #include "stund.h" static const uint16_t known_attributes[] = { 0 }; /* * Creates a listening socket */ int listen_socket (int fam, int type, int proto, unsigned int port) { int yes = 1; int fd = socket (fam, type, proto); union { struct sockaddr addr; struct sockaddr_in in; struct sockaddr_in6 in6; struct sockaddr_storage storage; } addr; if (fd == -1) { perror ("Error opening IP port"); return -1; } if (fd < 3) goto error; memset (&addr, 0, sizeof (addr)); addr.storage.ss_family = fam; #ifdef HAVE_SA_LEN addr.storage.ss_len = sizeof (addr); #endif switch (fam) { case AF_INET: addr.in.sin_port = htons (port); break; case AF_INET6: #ifdef IPV6_V6ONLY setsockopt (fd, SOL_IPV6, IPV6_V6ONLY, &yes, sizeof (yes)); #endif addr.in6.sin6_port = htons (port); break; } if (bind (fd, (struct sockaddr *)&addr, sizeof (struct sockaddr))) { perror ("Error opening IP port"); goto error; } if ((type == SOCK_DGRAM) || (type == SOCK_RAW)) { switch (fam) { case AF_INET: #ifdef IP_RECVERR setsockopt (fd, SOL_IP, IP_RECVERR, &yes, sizeof (yes)); #endif break; case AF_INET6: #ifdef IPV6_RECVERR setsockopt (fd, SOL_IPV6, IPV6_RECVERR, &yes, sizeof (yes)); #endif break; } } else { if (listen (fd, INT_MAX)) { perror ("Error opening IP port"); goto error; } } return fd; error: close (fd); return -1; } static int dgram_process (int sock, StunAgent *oldagent, StunAgent *newagent) { struct sockaddr_storage addr; socklen_t addr_len; uint8_t buf[STUN_MAX_MESSAGE_SIZE]; size_t buf_len = 0; size_t len = 0; StunMessage request; StunMessage response; StunValidationStatus validation; StunAgent *agent = NULL; addr_len = sizeof (struct sockaddr_in); len = recvfrom (sock, buf, sizeof(buf), 0, (struct sockaddr *)&addr, &addr_len); if (len == (size_t)-1) return -1; validation = stun_agent_validate (newagent, &request, buf, len, NULL, 0); if (validation == STUN_VALIDATION_SUCCESS) { agent = newagent; } else { validation = stun_agent_validate (oldagent, &request, buf, len, NULL, 0); agent = oldagent; } /* Unknown attributes */ if (validation == STUN_VALIDATION_UNKNOWN_REQUEST_ATTRIBUTE) { buf_len = stun_agent_build_unknown_attributes_error (agent, &response, buf, sizeof (buf), &request); goto send_buf; } /* Mal-formatted packets */ if (validation != STUN_VALIDATION_SUCCESS || stun_message_get_class (&request) != STUN_REQUEST) { return -1; } switch (stun_message_get_method (&request)) { case STUN_BINDING: stun_agent_init_response (agent, &response, buf, sizeof (buf), &request); if (stun_message_has_cookie (&request)) stun_message_append_xor_addr (&response, STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS, (struct sockaddr *)&addr, addr_len); else stun_message_append_addr (&response, STUN_ATTRIBUTE_MAPPED_ADDRESS, (struct sockaddr *)&addr, addr_len); break; default: if (!stun_agent_init_error (agent, &response, buf, sizeof (buf), &request, STUN_ERROR_BAD_REQUEST)) return -1; } buf_len = stun_agent_finish_message (agent, &response, NULL, 0); send_buf: len = sendto (sock, buf, buf_len, 0, (struct sockaddr *)&addr, addr_len); return (len < buf_len) ? -1 : 0; } static int run (int family, int protocol, unsigned port) { StunAgent oldagent; StunAgent newagent; int sock = listen_socket (family, SOCK_DGRAM, protocol, port); if (sock == -1) return -1; stun_agent_init (&oldagent, known_attributes, STUN_COMPATIBILITY_RFC3489, 0); stun_agent_init (&newagent, known_attributes, STUN_COMPATIBILITY_RFC5389, STUN_AGENT_USAGE_USE_FINGERPRINT); for (;;) dgram_process (sock, &oldagent, &newagent); } /* Pretty useless dummy signal handler... * But calling exit() is needed for gcov to work properly. */ static void exit_handler (int signum) { (void)signum; exit (0); } int main (int argc, char *argv[]) { int family = AF_INET; unsigned port = IPPORT_STUN; for (;;) { int c = getopt (argc, argv, "46"); if (c == EOF) break; switch (c) { case '4': family = AF_INET; break; case '6': family = AF_INET6; break; } } if (optind < argc) port = atoi (argv[optind++]); signal (SIGINT, exit_handler); signal (SIGTERM, exit_handler); return run (family, IPPROTO_UDP, port) ? EXIT_FAILURE : EXIT_SUCCESS; } #else int main (int argc, char **argv) { return 0; } #endif libnice-0.1.4/stun/tools/stunbdc.c0000664000175000017500000001164111665306626014021 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2007-2009 Nokia Corporation. All rights reserved. * Contact: Rémi Denis-Courmont * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * Rémi Denis-Courmont, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include #endif #ifdef _WIN32 # include #else # include # include #endif #include #include "stun/stunagent.h" #include "stun/usages/bind.h" #include #include #include #include #include static int ai_flags = 0; static void printaddr (const char *str, const struct sockaddr *addr, socklen_t addrlen) { char hostbuf[NI_MAXHOST], servbuf[NI_MAXSERV]; int val = getnameinfo (addr, addrlen, hostbuf, sizeof (hostbuf), servbuf, sizeof (servbuf), NI_NUMERICHOST | NI_NUMERICSERV); if (val) printf ("%s: %s\n", str, gai_strerror (val)); else printf ("%s: %s port %s\n", str, hostbuf, servbuf); } static int run (int family, const char *hostname, const char *service) { struct addrinfo hints, *res; const struct addrinfo *ptr; int ret = -1; memset (&hints, 0, sizeof (hints)); hints.ai_family = family; hints.ai_socktype = SOCK_DGRAM; hints.ai_flags = ai_flags; if (service == NULL) service = "3478"; ret = getaddrinfo (hostname, service, &hints, &res); if (ret) { fprintf (stderr, "%s (port %s): %s\n", hostname, service, gai_strerror (ret)); return -1; } for (ptr = res; ptr != NULL; ptr = ptr->ai_next) { struct sockaddr_storage addr; socklen_t addrlen = sizeof (addr); StunUsageBindReturn val; printaddr ("Server address", ptr->ai_addr, ptr->ai_addrlen); val = stun_usage_bind_run (ptr->ai_addr, ptr->ai_addrlen, (struct sockaddr *)&addr, &addrlen); if (val) fprintf (stderr, "%d\n", val); else { printaddr ("Mapped address", (struct sockaddr *)&addr, addrlen); ret = 0; } } freeaddrinfo (res); return ret; } int main (int argc, char *argv[]) { static const struct option opts[] = { { "ipv4", no_argument, NULL, '4' }, { "ipv6", no_argument, NULL, '6' }, { "help", no_argument, NULL, 'h' }, { "numeric", no_argument, NULL, 'n' }, { "version", no_argument, NULL, 'V' }, { NULL, 0, NULL, 0 } }; const char *server = NULL, *port = NULL; int family = AF_UNSPEC; for (;;) { int val = getopt_long (argc, argv, "46hnV", opts, NULL); if (val == EOF) break; switch (val) { case '4': family = AF_INET; break; case '6': family = AF_INET6; break; case 'h': printf ("Usage: %s [-4|-6] [port number]\n" "Performs STUN Binding Discovery\n" "\n" " -4, --ipv4 Force IP version 4\n" " -6, --ipv6 Force IP version 6\n" " -n, --numeric Server in numeric form\n" "\n", argv[0]); return 0; case 'n': ai_flags |= AI_NUMERICHOST; break; case 'V': printf ("stunbcd: STUN Binding Discovery client (%s v%s)\n", PACKAGE, VERSION); return 0; default: return 2; } } if (optind < argc) server = argv[optind++]; if (optind < argc) port = argv[optind++]; if (optind < argc) { fprintf (stderr, "%s: extra parameter `%s'\n", argv[0], argv[optind]); return 2; } return run (family, server, port) ? 1 : 0; } libnice-0.1.4/stun/tools/stund.h0000664000175000017500000000347011522161146013506 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2007-2009 Nokia Corporation. All rights reserved. * Contact: Rémi Denis-Courmont * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * Rémi Denis-Courmont, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef NICE_STUN_STUND_H # define NICE_STUN_STUND_H 1 int listen_socket (int fam, int type, int proto, unsigned port); ssize_t send_safe (int fd, const struct msghdr *msg); ssize_t recv_safe (int fd, struct msghdr *msg); #endif libnice-0.1.4/stun/tools/Makefile.in0000664000175000017500000004733412112006557014254 00000000000000# Makefile.in generated by automake 1.11.6 from Makefile.am. # @configure_input@ # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, # 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software # Foundation, Inc. # This Makefile.in is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; without # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. @SET_MAKE@ # # Makefile.am for the Nice Glib ICE library # # (C) 2006, 2007 Collabora Ltd. # (C) 2006, 2007 Nokia Corporation. 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All rights reserved. # # Licensed under MPL 1.1/LGPL 2.1. See file COPYING. # include $(top_srcdir)/common.mk AM_CFLAGS = -std=gnu99 $(ERROR_CFLAGS) AM_CPPFLAGS = -I$(top_srcdir) bin_PROGRAMS = stunbdc stund check_PROGRAMS = stund stund_SOURCES = stund.c stund.h stund_LDADD = $(top_builddir)/stun/libstun.la stunbdc_SOURCES = stunbdc.c stunbdc_LDADD = $(top_builddir)/stun/libstun.la if WINDOWS AM_CFLAGS += -DWINVER=0x0501 # _WIN32_WINNT_WINXP stunbdc_LDADD += -lws2_32 endif libnice-0.1.4/stun/debug.c0000664000175000017500000000420011522161146012262 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2007 Nokia Corporation. All rights reserved. * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include #endif #include #include #include #include #include "debug.h" static int debug_enabled = 1; void stun_debug_enable (void) { debug_enabled = 1; } void stun_debug_disable (void) { debug_enabled = 0; } void stun_debug (const char *fmt, ...) { va_list ap; if (debug_enabled) { va_start (ap, fmt); vfprintf (stderr, fmt, ap); va_end (ap); } } void stun_debug_bytes (const void *data, size_t len) { size_t i; stun_debug ("0x"); for (i = 0; i < len; i++) stun_debug ("%02x", ((const unsigned char *)data)[i]); } libnice-0.1.4/stun/stunmessage.c0000664000175000017500000004340011632012001013522 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2007-2009 Nokia Corporation. All rights reserved. * Contact: Rémi Denis-Courmont * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * Rémi Denis-Courmont, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include #endif #include "stunmessage.h" #include "utils.h" #ifdef _WIN32 #include #include #else #include #include #include #endif #include #include bool stun_message_init (StunMessage *msg, StunClass c, StunMethod m, const StunTransactionId id) { if (msg->buffer_len < STUN_MESSAGE_HEADER_LENGTH) return FALSE; memset (msg->buffer, 0, 4); stun_set_type (msg->buffer, c, m); memcpy (msg->buffer + STUN_MESSAGE_TRANS_ID_POS, id, STUN_MESSAGE_TRANS_ID_LEN); return TRUE; } uint16_t stun_message_length (const StunMessage *msg) { return stun_getw (msg->buffer + STUN_MESSAGE_LENGTH_POS) + STUN_MESSAGE_HEADER_LENGTH; } const void * stun_message_find (const StunMessage *msg, StunAttribute type, uint16_t *palen) { size_t length = stun_message_length (msg); size_t offset = 0; /* In MS-TURN, IDs of REALM and NONCE STUN attributes are swapped. */ if (msg->agent && msg->agent->compatibility == STUN_COMPATIBILITY_OC2007) { if (type == STUN_ATTRIBUTE_REALM) type = STUN_ATTRIBUTE_NONCE; else if (type == STUN_ATTRIBUTE_NONCE) type = STUN_ATTRIBUTE_REALM; } offset = STUN_MESSAGE_ATTRIBUTES_POS; while (offset < length) { uint16_t atype = stun_getw (msg->buffer + offset); size_t alen = stun_getw (msg->buffer + offset + STUN_ATTRIBUTE_TYPE_LEN); offset += STUN_ATTRIBUTE_VALUE_POS; if (atype == type) { *palen = alen; return msg->buffer + offset; } /* Look for and ignore misordered attributes */ switch (atype) { case STUN_ATTRIBUTE_MESSAGE_INTEGRITY: /* Only fingerprint may come after M-I */ if (type == STUN_ATTRIBUTE_FINGERPRINT) break; case STUN_ATTRIBUTE_FINGERPRINT: /* Nothing may come after FPR */ return NULL; } if (!(msg->agent && (msg->agent->usage_flags & STUN_AGENT_USAGE_NO_ALIGNED_ATTRIBUTES))) alen = stun_align (alen); offset += alen; } return NULL; } StunMessageReturn stun_message_find_flag (const StunMessage *msg, StunAttribute type) { const void *ptr; uint16_t len = 0; ptr = stun_message_find (msg, type, &len); if (ptr == NULL) return STUN_MESSAGE_RETURN_NOT_FOUND; return (len == 0) ? STUN_MESSAGE_RETURN_SUCCESS : STUN_MESSAGE_RETURN_INVALID; } StunMessageReturn stun_message_find32 (const StunMessage *msg, StunAttribute type, uint32_t *pval) { const void *ptr; uint16_t len = 0; ptr = stun_message_find (msg, type, &len); if (ptr == NULL) return STUN_MESSAGE_RETURN_NOT_FOUND; if (len == 4) { uint32_t val; memcpy (&val, ptr, sizeof (val)); *pval = ntohl (val); return STUN_MESSAGE_RETURN_SUCCESS; } return STUN_MESSAGE_RETURN_INVALID; } StunMessageReturn stun_message_find64 (const StunMessage *msg, StunAttribute type, uint64_t *pval) { const void *ptr; uint16_t len = 0; ptr = stun_message_find (msg, type, &len); if (ptr == NULL) return STUN_MESSAGE_RETURN_NOT_FOUND; if (len == 8) { uint32_t tab[2]; memcpy (tab, ptr, sizeof (tab)); *pval = ((uint64_t)ntohl (tab[0]) << 32) | ntohl (tab[1]); return STUN_MESSAGE_RETURN_SUCCESS; } return STUN_MESSAGE_RETURN_INVALID; } StunMessageReturn stun_message_find_string (const StunMessage *msg, StunAttribute type, char *buf, size_t buflen) { const unsigned char *ptr; uint16_t len = 0; ptr = stun_message_find (msg, type, &len); if (ptr == NULL) return STUN_MESSAGE_RETURN_NOT_FOUND; if (len >= buflen) return STUN_MESSAGE_RETURN_NOT_ENOUGH_SPACE; memcpy (buf, ptr, len); buf[len] = '\0'; return STUN_MESSAGE_RETURN_SUCCESS; } StunMessageReturn stun_message_find_addr (const StunMessage *msg, StunAttribute type, struct sockaddr *addr, socklen_t *addrlen) { const uint8_t *ptr; uint16_t len = 0; ptr = stun_message_find (msg, type, &len); if (ptr == NULL) return STUN_MESSAGE_RETURN_NOT_FOUND; if (len < 4) return STUN_MESSAGE_RETURN_INVALID; switch (ptr[1]) { case 1: { struct sockaddr_in *ip4 = (struct sockaddr_in *)addr; if (((size_t) *addrlen < sizeof (*ip4)) || (len != 8)) { *addrlen = sizeof (*ip4); return STUN_MESSAGE_RETURN_INVALID; } memset (ip4, 0, *addrlen); ip4->sin_family = AF_INET; #ifdef HAVE_SA_LEN ip4->sin_len = #endif *addrlen = sizeof (*ip4); memcpy (&ip4->sin_port, ptr + 2, 2); memcpy (&ip4->sin_addr, ptr + 4, 4); return STUN_MESSAGE_RETURN_SUCCESS; } case 2: { struct sockaddr_in6 *ip6 = (struct sockaddr_in6 *)addr; if (((size_t) *addrlen < sizeof (*ip6)) || (len != 20)) { *addrlen = sizeof (*ip6); return STUN_MESSAGE_RETURN_INVALID; } memset (ip6, 0, *addrlen); ip6->sin6_family = AF_INET6; #ifdef HAVE_SA_LEN ip6->sin6_len = #endif *addrlen = sizeof (*ip6); memcpy (&ip6->sin6_port, ptr + 2, 2); memcpy (&ip6->sin6_addr, ptr + 4, 16); return STUN_MESSAGE_RETURN_SUCCESS; } } return STUN_MESSAGE_RETURN_UNSUPPORTED_ADDRESS; } StunMessageReturn stun_message_find_xor_addr (const StunMessage *msg, StunAttribute type, struct sockaddr *addr, socklen_t *addrlen) { StunMessageReturn val = stun_message_find_addr (msg, type, addr, addrlen); if (val) return val; return stun_xor_address (msg, addr, *addrlen, STUN_MAGIC_COOKIE); } StunMessageReturn stun_message_find_xor_addr_full (const StunMessage *msg, StunAttribute type, struct sockaddr *addr, socklen_t *addrlen, uint32_t magic_cookie) { StunMessageReturn val = stun_message_find_addr (msg, type, addr, addrlen); if (val) return val; return stun_xor_address (msg, addr, *addrlen, magic_cookie); } StunMessageReturn stun_message_find_error (const StunMessage *msg, int *code) { uint16_t alen = 0; const uint8_t *ptr = stun_message_find (msg, STUN_ATTRIBUTE_ERROR_CODE, &alen); uint8_t class, number; if (ptr == NULL) return STUN_MESSAGE_RETURN_NOT_FOUND; if (alen < 4) return STUN_MESSAGE_RETURN_INVALID; class = ptr[2] & 0x7; number = ptr[3]; if ((class < 3) || (class > 6) || (number > 99)) return STUN_MESSAGE_RETURN_INVALID; *code = (class * 100) + number; return STUN_MESSAGE_RETURN_SUCCESS; } void * stun_message_append (StunMessage *msg, StunAttribute type, size_t length) { uint8_t *a; uint16_t mlen = stun_message_length (msg); /* In MS-TURN, IDs of REALM and NONCE STUN attributes are swapped. */ if (msg->agent && msg->agent->compatibility == STUN_COMPATIBILITY_OC2007) { if (type == STUN_ATTRIBUTE_NONCE) type = STUN_ATTRIBUTE_REALM; else if (type == STUN_ATTRIBUTE_REALM) type = STUN_ATTRIBUTE_NONCE; } if ((size_t)mlen + STUN_ATTRIBUTE_HEADER_LENGTH + length > msg->buffer_len) return NULL; a = msg->buffer + mlen; a = stun_setw (a, type); if (msg->agent && (msg->agent->usage_flags & STUN_AGENT_USAGE_NO_ALIGNED_ATTRIBUTES)) { a = stun_setw (a, length); } else { /* NOTE: If cookie is not present, we need to force the attribute length * to a multiple of 4 for compatibility with old RFC3489 */ a = stun_setw (a, stun_message_has_cookie (msg) ? length : stun_align (length)); /* Add padding if needed */ memset (a + length, ' ', stun_padding (length)); mlen += stun_padding (length); } mlen += 4 + length; stun_setw (msg->buffer + STUN_MESSAGE_LENGTH_POS, mlen - STUN_MESSAGE_HEADER_LENGTH); return a; } StunMessageReturn stun_message_append_bytes (StunMessage *msg, StunAttribute type, const void *data, size_t len) { void *ptr = stun_message_append (msg, type, len); if (ptr == NULL) return STUN_MESSAGE_RETURN_NOT_ENOUGH_SPACE; memcpy (ptr, data, len); return STUN_MESSAGE_RETURN_SUCCESS; } StunMessageReturn stun_message_append_flag (StunMessage *msg, StunAttribute type) { return stun_message_append_bytes (msg, type, NULL, 0); } StunMessageReturn stun_message_append32 (StunMessage *msg, StunAttribute type, uint32_t value) { value = htonl (value); return stun_message_append_bytes (msg, type, &value, 4); } StunMessageReturn stun_message_append64 (StunMessage *msg, StunAttribute type, uint64_t value) { uint32_t tab[2]; tab[0] = htonl ((uint32_t)(value >> 32)); tab[1] = htonl ((uint32_t)value); return stun_message_append_bytes (msg, type, tab, 8); } StunMessageReturn stun_message_append_string (StunMessage * msg, StunAttribute type, const char *str) { return stun_message_append_bytes (msg, type, str, strlen (str)); } StunMessageReturn stun_message_append_addr (StunMessage *msg, StunAttribute type, const struct sockaddr *addr, socklen_t addrlen) { const void *pa; uint8_t *ptr; uint16_t alen, port; uint8_t family; if ((size_t) addrlen < sizeof (struct sockaddr)) return STUN_MESSAGE_RETURN_INVALID; switch (addr->sa_family) { case AF_INET: { const struct sockaddr_in *ip4 = (const struct sockaddr_in *)addr; family = 1; port = ip4->sin_port; alen = 4; pa = &ip4->sin_addr; break; } case AF_INET6: { const struct sockaddr_in6 *ip6 = (const struct sockaddr_in6 *)addr; if ((size_t) addrlen < sizeof (*ip6)) return STUN_MESSAGE_RETURN_INVALID; family = 2; port = ip6->sin6_port; alen = 16; pa = &ip6->sin6_addr; break; } default: return STUN_MESSAGE_RETURN_UNSUPPORTED_ADDRESS; } ptr = stun_message_append (msg, type, 4 + alen); if (ptr == NULL) return STUN_MESSAGE_RETURN_NOT_ENOUGH_SPACE; ptr[0] = 0; ptr[1] = family; memcpy (ptr + 2, &port, 2); memcpy (ptr + 4, pa, alen); return STUN_MESSAGE_RETURN_SUCCESS; } StunMessageReturn stun_message_append_xor_addr (StunMessage *msg, StunAttribute type, const struct sockaddr *addr, socklen_t addrlen) { StunMessageReturn val; /* Must be big enough to hold any supported address: */ struct sockaddr_storage xor; if ((size_t) addrlen > sizeof (xor)) addrlen = sizeof (xor); memcpy (&xor, addr, addrlen); val = stun_xor_address (msg, (struct sockaddr *)&xor, addrlen, STUN_MAGIC_COOKIE); if (val) return val; return stun_message_append_addr (msg, type, (struct sockaddr *)&xor, addrlen); } StunMessageReturn stun_message_append_xor_addr_full (StunMessage *msg, StunAttribute type, const struct sockaddr *addr, socklen_t addrlen, uint32_t magic_cookie) { StunMessageReturn val; /* Must be big enough to hold any supported address: */ struct sockaddr_storage xor; if ((size_t) addrlen > sizeof (xor)) addrlen = sizeof (xor); memcpy (&xor, addr, addrlen); val = stun_xor_address (msg, (struct sockaddr *)&xor, addrlen, magic_cookie); if (val) return val; return stun_message_append_addr (msg, type, (struct sockaddr *)&xor, addrlen); } StunMessageReturn stun_message_append_error (StunMessage *msg, StunError code) { const char *str = stun_strerror (code); size_t len = strlen (str); div_t d = div (code, 100); uint8_t *ptr = stun_message_append (msg, STUN_ATTRIBUTE_ERROR_CODE, 4 + len); if (ptr == NULL) return STUN_MESSAGE_RETURN_NOT_ENOUGH_SPACE; memset (ptr, 0, 2); ptr[2] = d.quot; ptr[3] = d.rem; memcpy (ptr + 4, str, len); return STUN_MESSAGE_RETURN_SUCCESS; } int stun_message_validate_buffer_length (const uint8_t *msg, size_t length, bool has_padding) { size_t mlen; size_t len; if (length < 1) { stun_debug ("STUN error: No data!\n"); return STUN_MESSAGE_BUFFER_INVALID; } if (msg[0] >> 6) { stun_debug ("STUN error: RTP or other non-protocol packet!\n"); return STUN_MESSAGE_BUFFER_INVALID; // RTP or other non-STUN packet } if (length < 4) { stun_debug ("STUN error: Incomplete STUN message header!\n"); return STUN_MESSAGE_BUFFER_INCOMPLETE; } mlen = stun_getw (msg + STUN_MESSAGE_LENGTH_POS) + STUN_MESSAGE_HEADER_LENGTH; if (has_padding && stun_padding (mlen)) { stun_debug ("STUN error: Invalid message length: %u!\n", (unsigned)mlen); return STUN_MESSAGE_BUFFER_INVALID; // wrong padding } if (length < mlen) { stun_debug ("STUN error: Incomplete message: %u of %u bytes!\n", (unsigned)length, (unsigned)mlen); return STUN_MESSAGE_BUFFER_INCOMPLETE; // partial message } msg += 20; len = mlen - 20; /* from then on, we know we have the entire packet in buffer */ while (len > 0) { size_t alen = stun_getw (msg + STUN_ATTRIBUTE_TYPE_LEN); if (has_padding) alen = stun_align (alen); /* thanks to padding check, if (end > msg) then there is not only one * but at least 4 bytes left */ len -= 4; if (len < alen) { stun_debug ("STUN error: %u instead of %u bytes for attribute!\n", (unsigned)len, (unsigned)alen); return STUN_MESSAGE_BUFFER_INVALID; // no room for attribute value + padding } len -= alen; msg += 4 + alen; } return mlen; } void stun_message_id (const StunMessage *msg, StunTransactionId id) { memcpy (id, msg->buffer + STUN_MESSAGE_TRANS_ID_POS, STUN_MESSAGE_TRANS_ID_LEN); } StunMethod stun_message_get_method (const StunMessage *msg) { uint16_t t = stun_getw (msg->buffer); /* HACK HACK HACK A google/msn data indication is 0x0115 which is contrary to the RFC 5389 which states that 8th and 12th bits are for the class and that 0x01 is for indications... So 0x0115 is reported as a "connect error response", while it should be a data indication, which message type should actually be 0x0017 This should fix the issue, and it's considered safe since the "connect" method doesn't exist anymore */ if (t == 0x0115) t = 0x0017; return (StunMethod)(((t & 0x3e00) >> 2) | ((t & 0x00e0) >> 1) | (t & 0x000f)); } StunClass stun_message_get_class (const StunMessage *msg) { uint16_t t = stun_getw (msg->buffer); /* HACK HACK HACK A google/msn data indication is 0x0115 which is contrary to the RFC 5389 which states that 8th and 12th bits are for the class and that 0x01 is for indications... So 0x0115 is reported as a "connect error response", while it should be a data indication, which message type should actually be 0x0017 This should fix the issue, and it's considered safe since the "connect" method doesn't exist anymore */ if (t == 0x0115) t = 0x0017; return (StunClass)(((t & 0x0100) >> 7) | ((t & 0x0010) >> 4)); } bool stun_message_has_attribute (const StunMessage *msg, StunAttribute type) { uint16_t dummy; return stun_message_find (msg, type, &dummy) != NULL; } bool stun_optional (uint16_t t) { return (t >> 15) == 1; } const char *stun_strerror (StunError code) { static const struct { StunError code; char phrase[32]; } tab[] = { { STUN_ERROR_TRY_ALTERNATE, "Try alternate server" }, { STUN_ERROR_BAD_REQUEST, "Bad request" }, { STUN_ERROR_UNAUTHORIZED, "Unauthorized" }, { STUN_ERROR_UNKNOWN_ATTRIBUTE, "Unknown Attribute" }, { STUN_ERROR_ALLOCATION_MISMATCH, "Allocation Mismatch" }, { STUN_ERROR_STALE_NONCE, "Stale Nonce" }, { STUN_ERROR_ACT_DST_ALREADY, "Active Destination Already Set" }, { STUN_ERROR_UNSUPPORTED_FAMILY, "Address Family not Supported" }, { STUN_ERROR_UNSUPPORTED_TRANSPORT, "Unsupported Transport Protocol" }, { STUN_ERROR_INVALID_IP, "Invalid IP Address" }, { STUN_ERROR_INVALID_PORT, "Invalid Port" }, { STUN_ERROR_OP_TCP_ONLY, "Operation for TCP Only" }, { STUN_ERROR_CONN_ALREADY, "Connection Already Exists" }, { STUN_ERROR_ALLOCATION_QUOTA_REACHED, "Allocation Quota Reached" }, { STUN_ERROR_ROLE_CONFLICT, "Role conflict" }, { STUN_ERROR_SERVER_ERROR, "Server Error" }, { STUN_ERROR_SERVER_CAPACITY, "Insufficient Capacity" }, { STUN_ERROR_INSUFFICIENT_CAPACITY, "Insufficient Capacity" }, }; const char *str = "Unknown error"; size_t i; for (i = 0; i < (sizeof (tab) / sizeof (tab[0])); i++) { if (tab[i].code == code) { str = tab[i].phrase; break; } } /* Maximum allowed error message length */ // assert (strlen (str) < 128); return str; } libnice-0.1.4/stun/Makefile.in0000664000175000017500000007643412112006557013117 00000000000000# Makefile.in generated by automake 1.11.6 from Makefile.am. # @configure_input@ # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, # 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software # Foundation, Inc. # This Makefile.in is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; without # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. @SET_MAKE@ # # Makefile.am for the Nice Glib ICE library # # (C) 2006, 2007 Collabora Ltd. # (C) 2006, 2007 Nokia Corporation. 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.PHONY: check-valgrind # Tell versions [3.59,3.63) of GNU make to not export all variables. # Otherwise a system limit (for SysV at least) may be exceeded. .NOEXPORT: libnice-0.1.4/stun/usages/0000775000175000017500000000000012112010566012376 500000000000000libnice-0.1.4/stun/usages/turn.c0000664000175000017500000003171011522161200013450 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2007-2009 Nokia Corporation. All rights reserved. * Contact: Rémi Denis-Courmont * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * Rémi Denis-Courmont, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include #endif #ifdef _WIN32 #include #else #include #include #endif #include "stun/stunagent.h" #include "turn.h" #include #include #include #define REQUESTED_PROPS_E 0x80000000 #define REQUESTED_PROPS_R 0x40000000 #define REQUESTED_PROPS_P 0x20000000 #define STUN_ATTRIBUTE_MSN_MAPPED_ADDRESS 0x8000 #define TURN_REQUESTED_TRANSPORT_UDP 0x11000000 /** Non-blocking mode STUN TURN usage */ size_t stun_usage_turn_create (StunAgent *agent, StunMessage *msg, uint8_t *buffer, size_t buffer_len, StunMessage *previous_response, StunUsageTurnRequestPorts request_props, int32_t bandwidth, int32_t lifetime, uint8_t *username, size_t username_len, uint8_t *password, size_t password_len, StunUsageTurnCompatibility compatibility) { stun_agent_init_request (agent, msg, buffer, buffer_len, STUN_ALLOCATE); if (compatibility == STUN_USAGE_TURN_COMPATIBILITY_DRAFT9 || compatibility == STUN_USAGE_TURN_COMPATIBILITY_RFC5766) { if (stun_message_append32 (msg, STUN_ATTRIBUTE_REQUESTED_TRANSPORT, TURN_REQUESTED_TRANSPORT_UDP) != STUN_MESSAGE_RETURN_SUCCESS) return 0; if (bandwidth >= 0) { if (stun_message_append32 (msg, STUN_ATTRIBUTE_BANDWIDTH, bandwidth) != STUN_MESSAGE_RETURN_SUCCESS) return 0; } } else { if (stun_message_append32 (msg, STUN_ATTRIBUTE_MAGIC_COOKIE, TURN_MAGIC_COOKIE) != STUN_MESSAGE_RETURN_SUCCESS) return 0; } if (compatibility == STUN_USAGE_TURN_COMPATIBILITY_OC2007) { stun_message_append32(msg, STUN_ATTRIBUTE_MS_VERSION, 1); } if (lifetime >= 0) { if (stun_message_append32 (msg, STUN_ATTRIBUTE_LIFETIME, lifetime) != STUN_MESSAGE_RETURN_SUCCESS) return 0; } if ((compatibility == STUN_USAGE_TURN_COMPATIBILITY_DRAFT9 || compatibility == STUN_USAGE_TURN_COMPATIBILITY_RFC5766) && request_props != STUN_USAGE_TURN_REQUEST_PORT_NORMAL) { uint32_t req = 0; if (request_props & STUN_USAGE_TURN_REQUEST_PORT_EVEN_AND_RESERVE) { req |= REQUESTED_PROPS_R; req |= REQUESTED_PROPS_E; } else if (request_props & STUN_USAGE_TURN_REQUEST_PORT_EVEN) { req |= REQUESTED_PROPS_E; } if (stun_message_append32 (msg, STUN_ATTRIBUTE_REQUESTED_PORT_PROPS, req) != STUN_MESSAGE_RETURN_SUCCESS) return 0; } if (previous_response) { uint8_t *realm; uint8_t *nonce; uint64_t reservation; uint16_t len; realm = (uint8_t *) stun_message_find (previous_response, STUN_ATTRIBUTE_REALM, &len); if (realm != NULL) { if (stun_message_append_bytes (msg, STUN_ATTRIBUTE_REALM, realm, len) != STUN_MESSAGE_RETURN_SUCCESS) return 0; } nonce = (uint8_t *) stun_message_find (previous_response, STUN_ATTRIBUTE_NONCE, &len); if (nonce != NULL) { if (stun_message_append_bytes (msg, STUN_ATTRIBUTE_NONCE, nonce, len) != STUN_MESSAGE_RETURN_SUCCESS) return 0; } if (stun_message_find64 (previous_response, STUN_ATTRIBUTE_RESERVATION_TOKEN, &reservation) == STUN_MESSAGE_RETURN_SUCCESS) { if (stun_message_append64 (msg, STUN_ATTRIBUTE_RESERVATION_TOKEN, reservation) != STUN_MESSAGE_RETURN_SUCCESS) return 0; } } if (username != NULL && username_len > 0) { if (stun_message_append_bytes (msg, STUN_ATTRIBUTE_USERNAME, username, username_len) != STUN_MESSAGE_RETURN_SUCCESS) return 0; } return stun_agent_finish_message (agent, msg, password, password_len); } size_t stun_usage_turn_create_refresh (StunAgent *agent, StunMessage *msg, uint8_t *buffer, size_t buffer_len, StunMessage *previous_response, int32_t lifetime, uint8_t *username, size_t username_len, uint8_t *password, size_t password_len, StunUsageTurnCompatibility compatibility) { if (compatibility != STUN_USAGE_TURN_COMPATIBILITY_DRAFT9 && compatibility != STUN_USAGE_TURN_COMPATIBILITY_RFC5766) { return stun_usage_turn_create (agent, msg, buffer, buffer_len, previous_response, STUN_USAGE_TURN_REQUEST_PORT_NORMAL, 0, lifetime, username, username_len, password, password_len, compatibility); } stun_agent_init_request (agent, msg, buffer, buffer_len, STUN_REFRESH); if (lifetime >= 0) { if (stun_message_append32 (msg, STUN_ATTRIBUTE_LIFETIME, lifetime) != STUN_MESSAGE_RETURN_SUCCESS) return 0; } if (previous_response) { uint8_t *realm; uint8_t *nonce; uint16_t len; realm = (uint8_t *) stun_message_find (previous_response, STUN_ATTRIBUTE_REALM, &len); if (realm != NULL) { if (stun_message_append_bytes (msg, STUN_ATTRIBUTE_REALM, realm, len) != STUN_MESSAGE_RETURN_SUCCESS) return 0; } nonce = (uint8_t *) stun_message_find (previous_response, STUN_ATTRIBUTE_NONCE, &len); if (nonce != NULL) { if (stun_message_append_bytes (msg, STUN_ATTRIBUTE_NONCE, nonce, len) != STUN_MESSAGE_RETURN_SUCCESS) return 0; } } if (username != NULL && username_len > 0) { if (stun_message_append_bytes (msg, STUN_ATTRIBUTE_USERNAME, username, username_len) != STUN_MESSAGE_RETURN_SUCCESS) return 0; } return stun_agent_finish_message (agent, msg, password, password_len); } size_t stun_usage_turn_create_permission (StunAgent *agent, StunMessage *msg, uint8_t *buffer, size_t buffer_len, uint8_t *username, size_t username_len, uint8_t *password, size_t password_len, uint8_t *realm, size_t realm_len, uint8_t *nonce, size_t nonce_len, struct sockaddr *peer, StunUsageTurnCompatibility compatibility) { if (!peer) return 0; stun_agent_init_request (agent, msg, buffer, buffer_len, STUN_CREATEPERMISSION); /* PEER address */ if (stun_message_append_xor_addr (msg, STUN_ATTRIBUTE_XOR_PEER_ADDRESS, peer, sizeof(*peer)) != STUN_MESSAGE_RETURN_SUCCESS) { return 0; } /* nonce */ if (nonce != NULL) { if (stun_message_append_bytes (msg, STUN_ATTRIBUTE_NONCE, nonce, nonce_len) != STUN_MESSAGE_RETURN_SUCCESS) return 0; } /* realm */ if (realm != NULL) { if (stun_message_append_bytes (msg, STUN_ATTRIBUTE_REALM, realm, realm_len) != STUN_MESSAGE_RETURN_SUCCESS) return 0; } /* username */ if (username != NULL) { if (stun_message_append_bytes (msg, STUN_ATTRIBUTE_USERNAME, username, username_len) != STUN_MESSAGE_RETURN_SUCCESS) return 0; } return stun_agent_finish_message (agent, msg, password, password_len); } StunUsageTurnReturn stun_usage_turn_process (StunMessage *msg, struct sockaddr *relay_addr, socklen_t *relay_addrlen, struct sockaddr *addr, socklen_t *addrlen, struct sockaddr *alternate_server, socklen_t *alternate_server_len, uint32_t *bandwidth, uint32_t *lifetime, StunUsageTurnCompatibility compatibility) { int val, code = -1; StunUsageTurnReturn ret = STUN_USAGE_TURN_RETURN_RELAY_SUCCESS; if (stun_message_get_method (msg) != STUN_ALLOCATE) return STUN_USAGE_TURN_RETURN_INVALID; switch (stun_message_get_class (msg)) { case STUN_REQUEST: case STUN_INDICATION: return STUN_USAGE_TURN_RETURN_INVALID; case STUN_RESPONSE: break; case STUN_ERROR: if (stun_message_find_error (msg, &code) != STUN_MESSAGE_RETURN_SUCCESS) { /* missing ERROR-CODE: ignore message */ return STUN_USAGE_TURN_RETURN_INVALID; } /* NOTE: currently we ignore unauthenticated messages if the context * is authenticated, for security reasons. */ stun_debug (" STUN error message received (code: %d)\n", code); /* ALTERNATE-SERVER mechanism */ if ((code / 100) == 3) { if (alternate_server && alternate_server_len) { if (stun_message_find_addr (msg, STUN_ATTRIBUTE_ALTERNATE_SERVER, alternate_server, alternate_server_len) != STUN_MESSAGE_RETURN_SUCCESS) { stun_debug (" Unexpectedly missing ALTERNATE-SERVER attribute\n"); return STUN_USAGE_TURN_RETURN_ERROR; } } else { if (!stun_message_has_attribute (msg, STUN_ATTRIBUTE_ALTERNATE_SERVER)) { stun_debug (" Unexpectedly missing ALTERNATE-SERVER attribute\n"); return STUN_USAGE_TURN_RETURN_ERROR; } } stun_debug ("Found alternate server\n"); return STUN_USAGE_TURN_RETURN_ALTERNATE_SERVER; } return STUN_USAGE_TURN_RETURN_ERROR; } stun_debug ("Received %u-bytes STUN message\n", stun_message_length (msg)); if (compatibility == STUN_USAGE_TURN_COMPATIBILITY_DRAFT9 || compatibility == STUN_USAGE_TURN_COMPATIBILITY_RFC5766) { val = stun_message_find_xor_addr (msg, STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS, addr, addrlen); if (val == STUN_MESSAGE_RETURN_SUCCESS) ret = STUN_USAGE_TURN_RETURN_MAPPED_SUCCESS; val = stun_message_find_xor_addr (msg, STUN_ATTRIBUTE_RELAY_ADDRESS, relay_addr, relay_addrlen); if (val != STUN_MESSAGE_RETURN_SUCCESS) { stun_debug (" No RELAYED-ADDRESS: %d\n", val); return STUN_USAGE_TURN_RETURN_ERROR; } } else if (compatibility == STUN_USAGE_TURN_COMPATIBILITY_GOOGLE) { val = stun_message_find_addr (msg, STUN_ATTRIBUTE_MAPPED_ADDRESS, relay_addr, relay_addrlen); if (val != STUN_MESSAGE_RETURN_SUCCESS) { stun_debug (" No MAPPED-ADDRESS: %d\n", val); return STUN_USAGE_TURN_RETURN_ERROR; } } else if (compatibility == STUN_USAGE_TURN_COMPATIBILITY_MSN || compatibility == STUN_USAGE_TURN_COMPATIBILITY_OC2007) { val = stun_message_find_addr (msg, STUN_ATTRIBUTE_MSN_MAPPED_ADDRESS, addr, addrlen); if (val == STUN_MESSAGE_RETURN_SUCCESS) ret = STUN_USAGE_TURN_RETURN_MAPPED_SUCCESS; val = stun_message_find_addr (msg, STUN_ATTRIBUTE_MAPPED_ADDRESS, relay_addr, relay_addrlen); if (val != STUN_MESSAGE_RETURN_SUCCESS) { stun_debug (" No MAPPED-ADDRESS: %d\n", val); return STUN_USAGE_TURN_RETURN_ERROR; } } stun_message_find32 (msg, STUN_ATTRIBUTE_LIFETIME, lifetime); stun_message_find32 (msg, STUN_ATTRIBUTE_BANDWIDTH, bandwidth); stun_debug (" Mapped address found!\n"); return ret; } StunUsageTurnReturn stun_usage_turn_refresh_process (StunMessage *msg, uint32_t *lifetime, StunUsageTurnCompatibility compatibility) { int code = -1; StunUsageTurnReturn ret = STUN_USAGE_TURN_RETURN_RELAY_SUCCESS; if (compatibility == STUN_USAGE_TURN_COMPATIBILITY_DRAFT9 || compatibility == STUN_USAGE_TURN_COMPATIBILITY_RFC5766) { if (stun_message_get_method (msg) != STUN_REFRESH) return STUN_USAGE_TURN_RETURN_INVALID; } else { if (stun_message_get_method (msg) != STUN_ALLOCATE) return STUN_USAGE_TURN_RETURN_INVALID; } switch (stun_message_get_class (msg)) { case STUN_REQUEST: case STUN_INDICATION: return STUN_USAGE_TURN_RETURN_INVALID; case STUN_RESPONSE: break; case STUN_ERROR: if (stun_message_find_error (msg, &code) != STUN_MESSAGE_RETURN_SUCCESS) { /* missing ERROR-CODE: ignore message */ return STUN_USAGE_TURN_RETURN_INVALID; } return STUN_USAGE_TURN_RETURN_ERROR; } stun_message_find32 (msg, STUN_ATTRIBUTE_LIFETIME, lifetime); stun_debug ("TURN Refresh successful!\n"); return ret; } libnice-0.1.4/stun/usages/bind.c0000664000175000017500000003326011721561175013416 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2007-2009 Nokia Corporation. All rights reserved. * Contact: Rémi Denis-Courmont * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * Rémi Denis-Courmont, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include #endif #ifdef _WIN32 #include #include #include "win32_common.h" #define close closesocket #else #include #include #include #include #include #include #include #include #include #endif #ifdef HAVE_POLL # include #endif #include "bind.h" #include "stun/stunagent.h" #include #include #include #include #include #include "timer.h" #ifndef SOL_IP # define SOL_IP IPPROTO_IP #endif #ifndef SOL_IPV6 # define SOL_IPV6 IPPROTO_IPV6 #endif /** Non-blocking mode STUN binding discovery */ size_t stun_usage_bind_create (StunAgent *agent, StunMessage *msg, uint8_t *buffer, size_t buffer_len) { stun_agent_init_request (agent, msg, buffer, buffer_len, STUN_BINDING); return stun_agent_finish_message (agent, msg, NULL, 0); } StunUsageBindReturn stun_usage_bind_process (StunMessage *msg, struct sockaddr *addr, socklen_t *addrlen, struct sockaddr *alternate_server, socklen_t *alternate_server_len) { int code = -1; StunMessageReturn val; if (stun_message_get_method (msg) != STUN_BINDING) return STUN_USAGE_BIND_RETURN_INVALID; switch (stun_message_get_class (msg)) { case STUN_REQUEST: case STUN_INDICATION: return STUN_USAGE_BIND_RETURN_INVALID; case STUN_RESPONSE: break; case STUN_ERROR: if (stun_message_find_error (msg, &code) != STUN_MESSAGE_RETURN_SUCCESS) { /* missing ERROR-CODE: ignore message */ return STUN_USAGE_BIND_RETURN_INVALID; } /* NOTE: currently we ignore unauthenticated messages if the context * is authenticated, for security reasons. */ stun_debug (" STUN error message received (code: %d)\n", code); /* ALTERNATE-SERVER mechanism */ if ((code / 100) == 3) { if (alternate_server && alternate_server_len) { if (stun_message_find_addr (msg, STUN_ATTRIBUTE_ALTERNATE_SERVER, alternate_server, alternate_server_len) != STUN_MESSAGE_RETURN_SUCCESS) { stun_debug (" Unexpectedly missing ALTERNATE-SERVER attribute\n"); return STUN_USAGE_BIND_RETURN_ERROR; } } else { if (!stun_message_has_attribute (msg, STUN_ATTRIBUTE_ALTERNATE_SERVER)) { stun_debug (" Unexpectedly missing ALTERNATE-SERVER attribute\n"); return STUN_USAGE_BIND_RETURN_ERROR; } } stun_debug ("Found alternate server\n"); return STUN_USAGE_BIND_RETURN_ALTERNATE_SERVER; } return STUN_USAGE_BIND_RETURN_ERROR; } stun_debug ("Received %u-bytes STUN message\n", stun_message_length (msg)); val = stun_message_find_xor_addr (msg, STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS, addr, addrlen); if (val != STUN_MESSAGE_RETURN_SUCCESS) { stun_debug (" No XOR-MAPPED-ADDRESS: %d\n", val); val = stun_message_find_addr (msg, STUN_ATTRIBUTE_MAPPED_ADDRESS, addr, addrlen); if (val != STUN_MESSAGE_RETURN_SUCCESS) { stun_debug (" No MAPPED-ADDRESS: %d\n", val); return STUN_USAGE_BIND_RETURN_ERROR; } } stun_debug (" Mapped address found!\n"); return STUN_USAGE_BIND_RETURN_SUCCESS; } /** Binding keep-alive (Binding discovery indication!) */ size_t stun_usage_bind_keepalive (StunAgent *agent, StunMessage *msg, uint8_t *buf, size_t len) { stun_agent_init_indication (agent, msg, buf, len, STUN_BINDING); return stun_agent_finish_message (agent, msg, NULL, 0); } typedef struct stun_trans_s { int fd; int own_fd; socklen_t dstlen; struct sockaddr_storage dst; } StunTransport; typedef enum { STUN_USAGE_TRANS_RETURN_SUCCESS, STUN_USAGE_TRANS_RETURN_ERROR, STUN_USAGE_TRANS_RETURN_RETRY, STUN_USAGE_TRANS_RETURN_INVALID_ADDRESS, STUN_USAGE_TRANS_RETURN_UNSUPPORTED, } StunUsageTransReturn; static StunUsageTransReturn stun_trans_init (StunTransport *tr, int fd, const struct sockaddr *srv, socklen_t srvlen) { assert (fd != -1); if ((size_t) srvlen > sizeof (tr->dst)) return STUN_USAGE_TRANS_RETURN_INVALID_ADDRESS; tr->own_fd = -1; tr->fd = fd; tr->dstlen = srvlen; memcpy (&tr->dst, srv, srvlen); return STUN_USAGE_TRANS_RETURN_SUCCESS; } /* * Creates and connects a socket. This is useful when a socket is to be used * for multiple consecutive transactions (e.g. TURN). */ static int stun_socket (int family, int type, int proto) { #ifdef _WIN32 unsigned long set_nonblock=1; #endif int fd = socket (family, type, proto); if (fd == -1) return -1; #ifdef FD_CLOEXEC fcntl (fd, F_SETFD, fcntl (fd, F_GETFD) | FD_CLOEXEC); #endif #ifdef O_NONBLOCK fcntl (fd, F_SETFL, fcntl (fd, F_GETFL) | O_NONBLOCK); #elif defined _WIN32 ioctlsocket(fd, FIONBIO, &set_nonblock); #endif #ifdef MSG_ERRQUEUE if (type == SOCK_DGRAM) { /* Linux specifics for ICMP errors on non-connected sockets */ int yes = 1; switch (family) { case AF_INET: setsockopt (fd, SOL_IP, IP_RECVERR, &yes, sizeof (yes)); break; case AF_INET6: setsockopt (fd, SOL_IPV6, IPV6_RECVERR, &yes, sizeof (yes)); break; } } #endif return fd; } static StunUsageTransReturn stun_trans_create (StunTransport *tr, int type, int proto, const struct sockaddr *srv, socklen_t srvlen) { StunUsageTransReturn val = STUN_USAGE_TRANS_RETURN_ERROR; int fd; if ((size_t) srvlen < sizeof(*srv)) return STUN_USAGE_TRANS_RETURN_INVALID_ADDRESS; fd = stun_socket (srv->sa_family, type, proto); if (fd == -1) return STUN_USAGE_TRANS_RETURN_ERROR; if (type != SOCK_DGRAM) { if (connect (fd, srv, srvlen) && #ifdef _WIN32 (WSAGetLastError () != WSAEINPROGRESS)) { #else (errno != EINPROGRESS)) { #endif goto error; } val = stun_trans_init (tr, fd, NULL, 0); } else { val = stun_trans_init (tr, fd, srv, srvlen); } if (val) goto error; tr->own_fd = tr->fd; return STUN_USAGE_TRANS_RETURN_SUCCESS; error: close (fd); return val; } static void stun_trans_deinit (StunTransport *tr) { int saved = errno; assert (tr->fd != -1); if (tr->own_fd != -1) close (tr->own_fd); tr->own_fd = -1; tr->fd = -1; errno = saved; } #ifndef MSG_DONTWAIT # define MSG_DONTWAIT 0 #endif #ifndef MSG_NOSIGNAL # define MSG_NOSIGNAL 0 #endif static int stun_err_dequeue (int fd) { #ifdef MSG_ERRQUEUE struct msghdr hdr; int saved_errno = errno, ret; memset (&hdr, 0, sizeof (hdr)); ret = (recvmsg (fd, &hdr, MSG_ERRQUEUE) >= 0); errno = saved_errno; return ret; #else (void) fd; return 0; #endif } static ssize_t stun_trans_sendto (StunTransport *tr, const uint8_t *buf, size_t len, const struct sockaddr *dst, socklen_t dstlen) { static const int flags = MSG_DONTWAIT | MSG_NOSIGNAL; ssize_t val; do { if (dstlen > 0) val = sendto (tr->fd, (void *)buf, len, flags, dst, dstlen); else val = send (tr->fd, (void *)buf, len, flags); } while ((val == -1) && stun_err_dequeue (tr->fd)); return val; } static ssize_t stun_trans_recvfrom (StunTransport *tr, uint8_t *buf, size_t maxlen, struct sockaddr * dst, socklen_t * dstlen) { static const int flags = MSG_DONTWAIT | MSG_NOSIGNAL; ssize_t val; if (dstlen != NULL) val = recvfrom (tr->fd, (void *)buf, maxlen, flags, dst, dstlen); else val = recv (tr->fd, (void *)buf, maxlen, flags); if (val == -1) stun_err_dequeue (tr->fd); return val; } static ssize_t stun_trans_send (StunTransport *tr, const uint8_t *buf, size_t len) { return stun_trans_sendto (tr, buf, len, (struct sockaddr *)&tr->dst, tr->dstlen); } static ssize_t stun_trans_recv (StunTransport *tr, uint8_t *buf, size_t maxlen) { return stun_trans_recvfrom (tr, buf, maxlen, NULL, NULL); } #ifdef HAVE_POLL static int stun_trans_fd (const StunTransport *tr) { assert (tr != NULL); return tr->fd; } #endif /* * Waits for a response or timeout to occur. * * @return ETIMEDOUT if the transaction has timed out, or 0 if an incoming * message needs to be processed. */ static StunUsageTransReturn stun_trans_poll (StunTransport *tr, unsigned int delay) { #ifdef HAVE_POLL struct pollfd ufd; memset (&ufd, 0, sizeof (ufd)); ufd.fd = stun_trans_fd (tr); ufd.events |= POLLIN; if (poll (&ufd, 1, delay) <= 0) { return STUN_USAGE_TRANS_RETURN_RETRY; } return STUN_USAGE_TRANS_RETURN_SUCCESS; #else (void)tr; return STUN_USAGE_TRANS_RETURN_UNSUPPORTED; #endif } /** Blocking mode STUN binding discovery */ StunUsageBindReturn stun_usage_bind_run (const struct sockaddr *srv, socklen_t srvlen, struct sockaddr *addr, socklen_t *addrlen) { StunTimer timer; StunTransport trans; StunAgent agent; StunMessage req; uint8_t req_buf[STUN_MAX_MESSAGE_SIZE]; StunMessage msg; uint8_t buf[STUN_MAX_MESSAGE_SIZE]; StunValidationStatus valid; size_t len; StunUsageTransReturn ret; int val; struct sockaddr_storage alternate_server; socklen_t alternate_server_len = sizeof (alternate_server); StunUsageBindReturn bind_ret; stun_agent_init (&agent, STUN_ALL_KNOWN_ATTRIBUTES, STUN_COMPATIBILITY_RFC3489, 0); len = stun_usage_bind_create (&agent, &req, req_buf, sizeof(req_buf)); ret = stun_trans_create (&trans, SOCK_DGRAM, 0, srv, srvlen); if (ret != STUN_USAGE_TRANS_RETURN_SUCCESS) { stun_debug ("STUN transaction failed: couldn't create transport.\n"); return STUN_USAGE_BIND_RETURN_ERROR; } val = stun_trans_send (&trans, req_buf, len); if (val < -1) { stun_debug ("STUN transaction failed: couldn't send request.\n"); return STUN_USAGE_BIND_RETURN_ERROR; } stun_timer_start (&timer, STUN_TIMER_DEFAULT_TIMEOUT, STUN_TIMER_DEFAULT_MAX_RETRANSMISSIONS); stun_debug ("STUN transaction started (timeout %dms).\n", stun_timer_remainder (&timer)); do { for (;;) { unsigned delay = stun_timer_remainder (&timer); ret = stun_trans_poll (&trans, delay); if (ret == STUN_USAGE_TRANS_RETURN_RETRY) { switch (stun_timer_refresh (&timer)) { case STUN_USAGE_TIMER_RETURN_TIMEOUT: stun_debug ("STUN transaction failed: time out.\n"); return STUN_USAGE_BIND_RETURN_TIMEOUT; // fatal error! case STUN_USAGE_TIMER_RETURN_RETRANSMIT: stun_debug ("STUN transaction retransmitted (timeout %dms).\n", stun_timer_remainder (&timer)); val = stun_trans_send (&trans, req_buf, len); if (val < -1) { stun_debug ("STUN transaction failed: couldn't resend request.\n"); return STUN_USAGE_BIND_RETURN_ERROR; } continue; case STUN_USAGE_TIMER_RETURN_SUCCESS: break; } } val = stun_trans_recv (&trans, buf, sizeof (buf)); if (val >= 0) { break; } } valid = stun_agent_validate (&agent, &msg, buf, val, NULL, NULL); if (valid == STUN_VALIDATION_UNKNOWN_ATTRIBUTE) return STUN_USAGE_BIND_RETURN_ERROR; if (valid != STUN_VALIDATION_SUCCESS) { ret = STUN_USAGE_TRANS_RETURN_RETRY; } else { bind_ret = stun_usage_bind_process (&msg, addr, addrlen, (struct sockaddr *) &alternate_server, &alternate_server_len); if (bind_ret == STUN_USAGE_BIND_RETURN_ALTERNATE_SERVER) { stun_trans_deinit (&trans); ret = stun_trans_create (&trans, SOCK_DGRAM, 0, (struct sockaddr *) &alternate_server, alternate_server_len); if (ret != STUN_USAGE_TRANS_RETURN_SUCCESS) { return STUN_USAGE_BIND_RETURN_ERROR; } val = stun_trans_send (&trans, req_buf, len); if (val < -1) return STUN_USAGE_BIND_RETURN_ERROR; stun_timer_start (&timer, STUN_TIMER_DEFAULT_TIMEOUT, STUN_TIMER_DEFAULT_MAX_RETRANSMISSIONS); ret = STUN_USAGE_TRANS_RETURN_RETRY; } else if (bind_ret == STUN_USAGE_BIND_RETURN_INVALID) { ret = STUN_USAGE_TRANS_RETURN_RETRY; } else { break; } } } while (ret == STUN_USAGE_TRANS_RETURN_RETRY); return bind_ret; } libnice-0.1.4/stun/usages/turn.h0000664000175000017500000002476711665306626013520 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2007-2009 Nokia Corporation. All rights reserved. * Contact: Rémi Denis-Courmont * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * Rémi Denis-Courmont, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef STUN_TURN_H # define STUN_TURN_H 1 /** * SECTION:turn * @short_description: TURN Allocation Usage * @include: stun/usages/turn.h * @stability: Stable * * The STUN TURN usage allows for easily creating and parsing STUN Allocate * requests and responses used for TURN. The API allows you to create a new * allocation or refresh an existing one as well as to parse a response to * an allocate or refresh request. */ #ifdef _WIN32 # include "../win32_common.h" #else # include # include #endif #ifdef _WIN32 #include #else #include #include #endif # include "stun/stunagent.h" # ifdef __cplusplus extern "C" { # endif /** * StunUsageTurnRequestPorts: * @STUN_USAGE_TURN_REQUEST_PORT_NORMAL: Request a normal port * @STUN_USAGE_TURN_REQUEST_PORT_EVEN: Request an even port * @STUN_USAGE_TURN_REQUEST_PORT_EVEN_AND_RESERVE: Request an even port and * reserve the next higher port * * This enum is used to specify which port configuration you want when creating * a new Allocation */ typedef enum { STUN_USAGE_TURN_REQUEST_PORT_NORMAL = 0, STUN_USAGE_TURN_REQUEST_PORT_EVEN = 1, STUN_USAGE_TURN_REQUEST_PORT_EVEN_AND_RESERVE = 2 } StunUsageTurnRequestPorts; /** * StunUsageTurnCompatibility: * @STUN_USAGE_TURN_COMPATIBILITY_DRAFT9: Use the specification compatible with * TURN Draft 09 * @STUN_USAGE_TURN_COMPATIBILITY_GOOGLE: Use the specification compatible with * Google Talk's relay server * @STUN_USAGE_TURN_COMPATIBILITY_MSN: Use the specification compatible with * MSN TURN servers * * Specifies which TURN specification compatibility to use */ typedef enum { STUN_USAGE_TURN_COMPATIBILITY_DRAFT9, STUN_USAGE_TURN_COMPATIBILITY_GOOGLE, STUN_USAGE_TURN_COMPATIBILITY_MSN, STUN_USAGE_TURN_COMPATIBILITY_OC2007, STUN_USAGE_TURN_COMPATIBILITY_RFC5766, } StunUsageTurnCompatibility; /** * StunUsageTurnReturn: * @STUN_USAGE_TURN_RETURN_RELAY_SUCCESS: The response was successful and a relay * address is provided * @STUN_USAGE_TURN_RETURN_MAPPED_SUCCESS: The response was successful and a * relay address as well as a mapped address are provided * @STUN_USAGE_TURN_RETURN_ERROR: The response resulted in an error * @STUN_USAGE_TURN_RETURN_INVALID: The response is not a valid response * @STUN_USAGE_TURN_RETURN_ALTERNATE_SERVER: The server requests the message * to be sent to an alternate server * * Return value of stun_usage_turn_process() and * stun_usage_turn_refresh_process() which allows you to see what status the * function call returned. */ typedef enum { STUN_USAGE_TURN_RETURN_RELAY_SUCCESS, STUN_USAGE_TURN_RETURN_MAPPED_SUCCESS, STUN_USAGE_TURN_RETURN_ERROR, STUN_USAGE_TURN_RETURN_INVALID, STUN_USAGE_TURN_RETURN_ALTERNATE_SERVER, } StunUsageTurnReturn; /** * stun_usage_turn_create: * @agent: The #StunAgent to use to build the request * @msg: The #StunMessage to build * @buffer: The buffer to use for creating the #StunMessage * @buffer_len: The size of the @buffer * @previous_response: If this is the first request you are sending, set this * argument to NULL, if it's a subsequent request you are building, then set this * argument to the response you have received. This argument is used for building * long term credentials (using the REALM and NONCE attributes) as well as for * getting the RESERVATION-TOKEN attribute when you previously requested an * allocation which reserved two ports * @request_ports: Specify how you want to request the allocated port(s). * This is only used if the compatibility is set to * #STUN_USAGE_TURN_COMPATIBILITY_DRAFT9 * See #StunUsageTurnRequestPorts * @bandwidth: The bandwidth to request from the server for the allocation. If * this value is negative, then no BANDWIDTH attribute is added to the request. * This is only used if the compatibility is set to * #STUN_USAGE_TURN_COMPATIBILITY_DRAFT9 * @lifetime: The lifetime of the allocation to request from the server. If * this value is negative, then no LIFETIME attribute is added to the request. * This is only used if the compatibility is set to * #STUN_USAGE_TURN_COMPATIBILITY_DRAFT9 * @username: The username to use in the request * @username_len: The length of @username * @password: The key to use for building the MESSAGE-INTEGRITY * @password_len: The length of @password * @compatibility: The compatibility mode to use for building the Allocation * request * * Create a new TURN Allocation request * Returns: The length of the message to send */ size_t stun_usage_turn_create (StunAgent *agent, StunMessage *msg, uint8_t *buffer, size_t buffer_len, StunMessage *previous_response, StunUsageTurnRequestPorts request_ports, int32_t bandwidth, int32_t lifetime, uint8_t *username, size_t username_len, uint8_t *password, size_t password_len, StunUsageTurnCompatibility compatibility); /** * stun_usage_turn_create_refresh: * @agent: The #StunAgent to use to build the request * @msg: The #StunMessage to build * @buffer: The buffer to use for creating the #StunMessage * @buffer_len: The size of the @buffer * @previous_response: If this is the first request you are sending, set this * argument to NULL, if it's a subsequent request you are building, then set this * argument to the response you have received. This argument is used for building * long term credentials (using the REALM and NONCE attributes) * @lifetime: The lifetime of the allocation to request from the server. If * this value is negative, then no LIFETIME attribute is added to the request. * This is only used if the compatibility is set to * #STUN_USAGE_TURN_COMPATIBILITY_DRAFT9 * @username: The username to use in the request * @username_len: The length of @username * @password: The key to use for building the MESSAGE-INTEGRITY * @password_len: The length of @password * @compatibility: The compatibility mode to use for building the Allocation * request * * Create a new TURN Refresh request * Returns: The length of the message to send */ size_t stun_usage_turn_create_refresh (StunAgent *agent, StunMessage *msg, uint8_t *buffer, size_t buffer_len, StunMessage *previous_response, int32_t lifetime, uint8_t *username, size_t username_len, uint8_t *password, size_t password_len, StunUsageTurnCompatibility compatibility); size_t stun_usage_turn_create_permission (StunAgent *agent, StunMessage *msg, uint8_t *buffer, size_t buffer_len, uint8_t *username, size_t username_len, uint8_t *password, size_t password_len, uint8_t *realm, size_t realm_len, uint8_t *nonce, size_t nonce_len, struct sockaddr *peer, StunUsageTurnCompatibility compatibility); /** * stun_usage_turn_process: * @msg: The message containing the response * @relay_addr: A pointer to a #sockaddr structure to fill with the relay address * that the TURN server allocated for us * @relay_addrlen: The length of @relay_addr * @addr: A pointer to a #sockaddr structure to fill with the mapped address * that the STUN response contains. * This argument will only be filled if the return value * of the function is #STUN_USAGE_TURN_RETURN_MAPPED_SUCCESS * @addrlen: The length of @addr * @alternate_server: A pointer to a #sockaddr structure to fill with the * address of an alternate server to which we should send our new STUN * Allocate request, in case the currently used TURN server is requesting the use * of an alternate server. This argument will only be filled if the return value * of the function is #STUN_USAGE_TURN_RETURN_ALTERNATE_SERVER * @alternate_server_len: The length of @alternate_server * @bandwidth: A pointer to fill with the bandwidth the TURN server allocated us * @lifetime: A pointer to fill with the lifetime of the allocation * @compatibility: The compatibility mode to use for processing the Allocation * response * * Process a TURN Allocate response and extract the necessary information from * the message * Returns: A #StunUsageTurnReturn value */ StunUsageTurnReturn stun_usage_turn_process (StunMessage *msg, struct sockaddr *relay_addr, socklen_t *relay_addrlen, struct sockaddr *addr, socklen_t *addrlen, struct sockaddr *alternate_server, socklen_t *alternate_server_len, uint32_t *bandwidth, uint32_t *lifetime, StunUsageTurnCompatibility compatibility); /** * stun_usage_turn_refresh_process: * @msg: The message containing the response * @lifetime: A pointer to fill with the lifetime of the allocation * @compatibility: The compatibility mode to use for processing the Refresh * response * * Process a TURN Refresh response and extract the necessary information from * the message * Returns: A #StunUsageTurnReturn value. A #STUN_USAGE_TURN_RETURN_RELAY_SUCCESS * means the Refresh was successful, but no relay address is given (kept the same * as for the original allocation) */ StunUsageTurnReturn stun_usage_turn_refresh_process (StunMessage *msg, uint32_t *lifetime, StunUsageTurnCompatibility compatibility); # ifdef __cplusplus } # endif #endif libnice-0.1.4/stun/usages/ice.c0000664000175000017500000002515711736654442013256 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2007-2009 Nokia Corporation. All rights reserved. * Contact: Rémi Denis-Courmont * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * Rémi Denis-Courmont, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include #endif #include #include #include #ifdef _WIN32 #include #else #include #include #include #endif #include "stunagent.h" /** ICE connectivity checks **/ #include "ice.h" size_t stun_usage_ice_conncheck_create (StunAgent *agent, StunMessage *msg, uint8_t *buffer, size_t buffer_len, const uint8_t *username, const size_t username_len, const uint8_t *password, const size_t password_len, bool cand_use, bool controlling, uint32_t priority, uint64_t tie, const char *candidate_identifier, StunUsageIceCompatibility compatibility) { StunMessageReturn val; stun_agent_init_request (agent, msg, buffer, buffer_len, STUN_BINDING); if (compatibility == STUN_USAGE_ICE_COMPATIBILITY_RFC5245 || compatibility == STUN_USAGE_ICE_COMPATIBILITY_WLM2009) { if (cand_use) { val = stun_message_append_flag (msg, STUN_ATTRIBUTE_USE_CANDIDATE); if (val != STUN_MESSAGE_RETURN_SUCCESS) return 0; } val = stun_message_append32 (msg, STUN_ATTRIBUTE_PRIORITY, priority); if (val != STUN_MESSAGE_RETURN_SUCCESS) return 0; if (controlling) val = stun_message_append64 (msg, STUN_ATTRIBUTE_ICE_CONTROLLING, tie); else val = stun_message_append64 (msg, STUN_ATTRIBUTE_ICE_CONTROLLED, tie); if (val != STUN_MESSAGE_RETURN_SUCCESS) return 0; } if (username && username_len > 0) { val = stun_message_append_bytes (msg, STUN_ATTRIBUTE_USERNAME, username, username_len); if (val != STUN_MESSAGE_RETURN_SUCCESS) return 0; } if (compatibility == STUN_USAGE_ICE_COMPATIBILITY_WLM2009) { size_t identifier_len = strlen(candidate_identifier); size_t attribute_len = identifier_len; int modulo4 = identifier_len % 4; uint8_t* buf; if (modulo4) attribute_len += 4 - modulo4; // Avoid a coverify false positive assert (attribute_len >= identifier_len); buf = malloc(attribute_len); memset(buf, 0, attribute_len); memcpy(buf, candidate_identifier, identifier_len); val = stun_message_append_bytes (msg, STUN_ATTRIBUTE_CANDIDATE_IDENTIFIER, buf, attribute_len); free(buf); if (val != STUN_MESSAGE_RETURN_SUCCESS) return 0; } return stun_agent_finish_message (agent, msg, password, password_len); } StunUsageIceReturn stun_usage_ice_conncheck_process (StunMessage *msg, struct sockaddr *addr, socklen_t *addrlen, StunUsageIceCompatibility compatibility) { int code = -1; StunMessageReturn val; if (stun_message_get_method (msg) != STUN_BINDING) return STUN_USAGE_ICE_RETURN_INVALID; switch (stun_message_get_class (msg)) { case STUN_REQUEST: case STUN_INDICATION: return STUN_USAGE_ICE_RETURN_INVALID; case STUN_RESPONSE: break; case STUN_ERROR: if (stun_message_find_error (msg, &code) != STUN_MESSAGE_RETURN_SUCCESS) { /* missing ERROR-CODE: ignore message */ return STUN_USAGE_ICE_RETURN_INVALID; } if (code == STUN_ERROR_ROLE_CONFLICT) return STUN_USAGE_ICE_RETURN_ROLE_CONFLICT; /* NOTE: currently we ignore unauthenticated messages if the context * is authenticated, for security reasons. */ stun_debug (" STUN error message received (code: %d)\n", code); return STUN_USAGE_ICE_RETURN_ERROR; } stun_debug ("Received %u-bytes STUN message\n", stun_message_length (msg)); if (compatibility == STUN_USAGE_ICE_COMPATIBILITY_MSN) { StunTransactionId transid; uint32_t magic_cookie; stun_message_id (msg, transid); magic_cookie = *((uint32_t *) transid); val = stun_message_find_xor_addr_full (msg, STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS, addr, addrlen, htonl (magic_cookie)); } else { val = stun_message_find_xor_addr (msg, STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS, addr, addrlen); } if (val != STUN_MESSAGE_RETURN_SUCCESS) { stun_debug (" No XOR-MAPPED-ADDRESS: %d\n", val); val = stun_message_find_addr (msg, STUN_ATTRIBUTE_MAPPED_ADDRESS, addr, addrlen); if (val != STUN_MESSAGE_RETURN_SUCCESS) { stun_debug (" No MAPPED-ADDRESS: %d\n", val); return STUN_USAGE_ICE_RETURN_NO_MAPPED_ADDRESS; } } stun_debug ("Mapped address found!\n"); return STUN_USAGE_ICE_RETURN_SUCCESS; } static int stun_bind_error (StunAgent *agent, StunMessage *msg, uint8_t *buf, size_t *plen, const StunMessage *req, StunError code) { size_t len = *plen; int val; *plen = 0; stun_debug ("STUN Error Reply (buffer size: %u)...\n", (unsigned)len); val = stun_agent_init_error (agent, msg, buf, len, req, code); if (!val) return val; len = stun_agent_finish_message (agent, msg, NULL, 0); if (len == 0) return 0; *plen = len; stun_debug (" Error response (%u) of %u bytes\n", (unsigned)code, (unsigned)*plen); return 1; } StunUsageIceReturn stun_usage_ice_conncheck_create_reply (StunAgent *agent, StunMessage *req, StunMessage *msg, uint8_t *buf, size_t *plen, const struct sockaddr *src, socklen_t srclen, bool *control, uint64_t tie, StunUsageIceCompatibility compatibility) { const char *username = NULL; uint16_t username_len; size_t len = *plen; uint64_t q; StunMessageReturn val = STUN_MESSAGE_RETURN_SUCCESS; StunUsageIceReturn ret = STUN_USAGE_ICE_RETURN_SUCCESS; #define err( code ) \ stun_bind_error (agent, msg, buf, &len, req, code); \ *plen = len *plen = 0; stun_debug ("STUN Reply (buffer size = %u)...\n", (unsigned)len); if (stun_message_get_class (req) != STUN_REQUEST) { stun_debug (" Unhandled non-request (class %u) message.\n", stun_message_get_class (req)); return STUN_USAGE_ICE_RETURN_INVALID_REQUEST; } if (stun_message_get_method (req) != STUN_BINDING) { stun_debug (" Bad request (method %u) message.\n", stun_message_get_method (req)); err (STUN_ERROR_BAD_REQUEST); return STUN_USAGE_ICE_RETURN_INVALID_METHOD; } /* Role conflict handling */ assert (control != NULL); if (stun_message_find64 (req, *control ? STUN_ATTRIBUTE_ICE_CONTROLLING : STUN_ATTRIBUTE_ICE_CONTROLLED, &q) == STUN_MESSAGE_RETURN_SUCCESS) { stun_debug ("STUN Role Conflict detected:\n"); if (tie < q) { stun_debug (" switching role from \"controll%s\" to \"controll%s\"\n", *control ? "ing" : "ed", *control ? "ed" : "ing"); *control = !*control; ret = STUN_USAGE_ICE_RETURN_ROLE_CONFLICT; } else { stun_debug (" staying \"controll%s\" (sending error)\n", *control ? "ing" : "ed"); err (STUN_ERROR_ROLE_CONFLICT); return STUN_USAGE_ICE_RETURN_SUCCESS; } } else { stun_debug ("STUN Role not specified by peer!\n"); } if (stun_agent_init_response (agent, msg, buf, len, req) == FALSE) { stun_debug ("Unable to create response\n"); goto failure; } if (compatibility == STUN_USAGE_ICE_COMPATIBILITY_MSN) { StunTransactionId transid; uint32_t magic_cookie; stun_message_id (msg, transid); magic_cookie = *((uint32_t *) transid); val = stun_message_append_xor_addr_full (msg, STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS, src, srclen, htonl (magic_cookie)); } else if (stun_message_has_cookie (msg) && compatibility != STUN_USAGE_ICE_COMPATIBILITY_GOOGLE) { val = stun_message_append_xor_addr (msg, STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS, src, srclen); } else { val = stun_message_append_addr (msg, STUN_ATTRIBUTE_MAPPED_ADDRESS, src, srclen); } if (val != STUN_MESSAGE_RETURN_SUCCESS) { stun_debug (" Mapped address problem: %d\n", val); goto failure; } username = (const char *)stun_message_find (req, STUN_ATTRIBUTE_USERNAME, &username_len); if (username) { val = stun_message_append_bytes (msg, STUN_ATTRIBUTE_USERNAME, username, username_len); } if (val != STUN_MESSAGE_RETURN_SUCCESS) { stun_debug ("Error appending username: %d\n", val); goto failure; } /* the stun agent will automatically use the password of the request */ len = stun_agent_finish_message (agent, msg, NULL, 0); if (len == 0) goto failure; *plen = len; stun_debug (" All done (response size: %u)\n", (unsigned)len); return ret; failure: assert (*plen == 0); stun_debug (" Fatal error formatting Response: %d\n", val); switch (val) { case STUN_MESSAGE_RETURN_NOT_ENOUGH_SPACE: return STUN_USAGE_ICE_RETURN_MEMORY_ERROR; case STUN_MESSAGE_RETURN_INVALID: case STUN_MESSAGE_RETURN_UNSUPPORTED_ADDRESS: return STUN_USAGE_ICE_RETURN_INVALID_ADDRESS; default: return STUN_USAGE_ICE_RETURN_ERROR; } } #undef err uint32_t stun_usage_ice_conncheck_priority (const StunMessage *msg) { uint32_t value; if (stun_message_find32 (msg, STUN_ATTRIBUTE_PRIORITY, &value) != STUN_MESSAGE_RETURN_SUCCESS) return 0; return value; } bool stun_usage_ice_conncheck_use_candidate (const StunMessage *msg) { return (stun_message_find_flag (msg, STUN_ATTRIBUTE_USE_CANDIDATE) == STUN_MESSAGE_RETURN_SUCCESS); } libnice-0.1.4/stun/usages/bind.h0000664000175000017500000001405711665306626013433 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2007-2009 Nokia Corporation. All rights reserved. * Contact: Rémi Denis-Courmont * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * Rémi Denis-Courmont, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef STUN_BIND_H # define STUN_BIND_H 1 /** * SECTION:bind * @short_description: STUN Binding Usage * @include: stun/usages/bind.h * @stability: Stable * * The STUN Binding usage allows for easily creating and parsing STUN Binding * requests and responses. It offers both an asynchronous and a synchronous API * that uses the STUN timer usage. */ #ifdef _WIN32 # include "../win32_common.h" #else # include # include #endif # include "stun/stunagent.h" # ifdef __cplusplus extern "C" { # endif /** * StunUsageBindReturn: * @STUN_USAGE_BIND_RETURN_SUCCESS: The binding usage succeeded * @STUN_USAGE_BIND_RETURN_ERROR: There was an unknown error in the bind usage * @STUN_USAGE_BIND_RETURN_INVALID: The message is invalid and should be ignored * @STUN_USAGE_BIND_RETURN_ALTERNATE_SERVER: The binding request has an * ALTERNATE-SERVER attribute * @STUN_USAGE_BIND_RETURN_TIMEOUT: The binding was unsuccessful because it has * timed out. * * Return value of stun_usage_bind_process() and stun_usage_bind_run() which * allows you to see what status the function call returned. */ typedef enum { STUN_USAGE_BIND_RETURN_SUCCESS, STUN_USAGE_BIND_RETURN_ERROR, STUN_USAGE_BIND_RETURN_INVALID, STUN_USAGE_BIND_RETURN_ALTERNATE_SERVER, STUN_USAGE_BIND_RETURN_TIMEOUT, } StunUsageBindReturn; /** * stun_usage_bind_create: * @agent: The #StunAgent to use to create the binding request * @msg: The #StunMessage to build * @buffer: The buffer to use for creating the #StunMessage * @buffer_len: The size of the @buffer * * Create a new STUN binding request to use with a STUN server. * Returns: The length of the built message. */ size_t stun_usage_bind_create (StunAgent *agent, StunMessage *msg, uint8_t *buffer, size_t buffer_len); /** * stun_usage_bind_process: * @msg: The #StunMessage to process * @addr: A pointer to a #sockaddr structure to fill with the mapped address * that the STUN server gives us * @addrlen: The length of @add. rMust be set to the size of the @addr socket * address and will be set to the actual length of the socket address. * @alternate_server: A pointer to a #sockaddr structure to fill with the * address of an alternate server to which we should send our new STUN * binding request, in case the currently used STUN server is requesting the use * of an alternate server. This argument will only be filled if the return value * of the function is #STUN_USAGE_BIND_RETURN_ALTERNATE_SERVER * @alternate_server_len: The length of @alternate_server. Must be set to * the size of the @alternate_server socket address and will be set to the * actual length of the socket address. * * Process a STUN binding response and extracts the mapped address from the STUN * message. Also checks for the ALTERNATE-SERVER attribute. * Returns: A #StunUsageBindReturn value. * Note that #STUN_USAGE_BIND_RETURN_TIMEOUT cannot be returned by this function */ StunUsageBindReturn stun_usage_bind_process (StunMessage *msg, struct sockaddr *addr, socklen_t *addrlen, struct sockaddr *alternate_server, socklen_t *alternate_server_len); /** * stun_usage_bind_keepalive: * @agent: The #StunAgent to use to build the message * @msg: The #StunMessage to build * @buf: The buffer to use for creating the #StunMessage * @len: The size of the @buf * * Creates a STUN binding indication that can be used for a keepalive. * Since this is an indication message, no STUN response will be generated * and it can only be used as a keepalive message. * Returns: The length of the message to send */ size_t stun_usage_bind_keepalive (StunAgent *agent, StunMessage *msg, uint8_t *buf, size_t len); /** * stun_usage_bind_run: * @srv: A pointer to the #sockaddr structure representing the STUN server's * address * @srvlen: The length of @srv * @addr: A pointer to a #sockaddr structure to fill with the mapped address * that the STUN server gives us * @addrlen: The length of @addr * * This is a convenience function that will do a synchronous Binding request to * a server and wait for its answer. It will create the socket transports and * use the #StunTimer usage to send the request and handle the response. * Returns: A #StunUsageBindReturn. * Possible return values are #STUN_USAGE_BIND_RETURN_SUCCESS, * #STUN_USAGE_BIND_RETURN_ERROR and #STUN_USAGE_BIND_RETURN_TIMEOUT */ StunUsageBindReturn stun_usage_bind_run (const struct sockaddr *srv, socklen_t srvlen, struct sockaddr *addr, socklen_t *addrlen); # ifdef __cplusplus } # endif #endif libnice-0.1.4/stun/usages/timer.h0000664000175000017500000001543711522161200013615 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2007-2009 Nokia Corporation. All rights reserved. * Contact: Rémi Denis-Courmont * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * Rémi Denis-Courmont, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef STUN_TIMER_H # define STUN_TIMER_H 1 /** * SECTION:timer * @short_description: STUN timer Usage * @include: stun/usages/timer.h * @stability: Stable * * The STUN timer usage is a set of helpful utility functions that allows you * to easily track when a STUN message should be retransmitted or considered * as timed out. * * Simple example on how to use the timer usage StunTimer timer; unsigned remainder; StunUsageTimerReturn ret; // Build the message, etc.. ... // Send the message and start the timer send(socket, request, sizeof(request)); stun_timer_start(&timer, STUN_TIMER_DEFAULT_TIMEOUT, STUN_TIMER_DEFAULT_MAX_RETRANSMISSIONS); // Loop until we get the response for (;;) { remainder = stun_timer_remainder(&timer); // Poll the socket until data is received or the timer expires if (poll (&pollfd, 1, delay) <= 0) { // Time out and no response was received ret = stun_timer_refresh (&timer); if (ret == STUN_USAGE_TIMER_RETURN_TIMEOUT) { // Transaction timed out break; } else if (ret == STUN_USAGE_TIMER_RETURN_RETRANSMIT) { // A retransmission is necessary send(socket, request, sizeof(request)); continue; } else if (ret == STUN_USAGE_TIMER_RETURN_SUCCESS) { // The refresh succeeded and nothing has to be done, continue polling continue; } } else { // We received a response, read it recv(socket, response, sizeof(response)); break; } } // Check if the transaction timed out or not if (ret == STUN_USAGE_TIMER_RETURN_TIMEOUT) { // do whatever needs to be done in that case } else { // Parse the response } */ #ifdef _WIN32 #include #else # include # include # include #endif /** * StunTimer: * * An opaque structure representing a STUN transaction retransmission timer */ typedef struct stun_timer_s StunTimer; struct stun_timer_s { struct timeval deadline; unsigned delay; unsigned retransmissions; unsigned max_retransmissions; }; /** * STUN_TIMER_DEFAULT_TIMEOUT: * * The default intial timeout to use for the timer */ #define STUN_TIMER_DEFAULT_TIMEOUT 600 /** * STUN_TIMER_DEFAULT_MAX_RETRANSMISSIONS: * * The default maximum retransmissions allowed before a timer decides to timeout */ #define STUN_TIMER_DEFAULT_MAX_RETRANSMISSIONS 3 /** * STUN_TIMER_DEFAULT_RELIABLE_TIMEOUT: * * The default intial timeout to use for a reliable timer */ #define STUN_TIMER_DEFAULT_RELIABLE_TIMEOUT 7900 /** * StunUsageTimerReturn: * @STUN_USAGE_TIMER_RETURN_SUCCESS: The timer was refreshed successfully * and there is nothing to be done * @STUN_USAGE_TIMER_RETURN_RETRANSMIT: The timer expired and the message * should be retransmitted now. * @STUN_USAGE_TIMER_RETURN_TIMEOUT: The timer expired as well as all the * retransmissions, the transaction timed out * * Return value of stun_usage_timer_refresh() which provides you with status * information on the timer. */ typedef enum { STUN_USAGE_TIMER_RETURN_SUCCESS, STUN_USAGE_TIMER_RETURN_RETRANSMIT, STUN_USAGE_TIMER_RETURN_TIMEOUT } StunUsageTimerReturn; # ifdef __cplusplus extern "C" { # endif /** * stun_timer_start: * @timer: The #StunTimer to start * @initial_timeout: The initial timeout to use before the first retransmission * @max_retransmissions: The maximum number of transmissions before the * #StunTimer times out * * Starts a STUN transaction retransmission timer. * This should be called as soon as you send the message for the first time on * a UDP socket. * The timeout before the next retransmission is set to @initial_timeout, then * each time a packet is retransmited, that timeout will be doubled, until the * @max_retransmissions retransmissions limit is reached. * * To determine the total timeout value, one can use the following equation : total_timeout = initial_timeout * (2^(max_retransmissions + 1) - 1); * * * See also: #STUN_TIMER_DEFAULT_TIMEOUT * * See also: #STUN_TIMER_DEFAULT_MAX_RETRANSMISSIONS */ void stun_timer_start (StunTimer *timer, unsigned int initial_timeout, unsigned int max_retransmissions); /** * stun_timer_start_reliable: * @timer: The #StunTimer to start * * Starts a STUN transaction retransmission timer for a reliable transport. * This should be called as soon as you send the message for the first time on * a TCP socket */ void stun_timer_start_reliable (StunTimer *timer, unsigned int initial_timeout); /** * stun_timer_refresh: * @timer: The #StunTimer to refresh * * Updates a STUN transaction retransmission timer. * Returns: A #StunUsageTimerReturn telling you what to do next */ StunUsageTimerReturn stun_timer_refresh (StunTimer *timer); /** * stun_timer_remainder: * @timer: The #StunTimer to query * * Query the timer on the time left before the next refresh should be done * Returns: The time remaining for the timer to expire in milliseconds */ unsigned stun_timer_remainder (const StunTimer *timer); # ifdef __cplusplus } # endif #endif /* !STUN_TIMER_H */ libnice-0.1.4/stun/usages/ice.h0000664000175000017500000002175211522161200013232 00000000000000 /* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2007-2009 Nokia Corporation. All rights reserved. * Contact: Rémi Denis-Courmont * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * Rémi Denis-Courmont, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef STUN_CONNCHECK_H # define STUN_CONNCHECK_H 1 /** * SECTION:ice * @short_description: STUN ICE Usage * @include: stun/usages/ice.h * @stability: Stable * * The STUN ICE usage allows for easily creating and parsing STUN Binding * requests and responses used for ICE connectivity checks. The API allows you * to create a connectivity check message, parse a response or create a reply * to an incoming connectivity check request. */ # include "stun/stunagent.h" # ifdef __cplusplus extern "C" { # endif /** * StunUsageIceCompatibility: * @STUN_USAGE_ICE_COMPATIBILITY_RFC5245: The ICE compatibility with RFC 5245 * @STUN_USAGE_ICE_COMPATIBILITY_GOOGLE: The ICE compatibility with Google's * implementation of ICE * @STUN_USAGE_ICE_COMPATIBILITY_MSN: The ICE compatibility with MSN's * implementation of ICE * @STUN_USAGE_ICE_COMPATIBILITY_WLM2009: The ICE compatibility with Windows * Live Messenger and Microsoft Office Communicator 2007 R2 implementation of ICE * @STUN_USAGE_ICE_COMPATIBILITY_DRAFT19: The ICE compatibility with draft 19 * * This enum defines which compatibility modes this ICE usage can use * * @STUN_USAGE_ICE_COMPATIBILITY_DRAFT19 is deprecated and should not * be used in newly-written code. It is kept for compatibility reasons and * represents the same compatibility as @STUN_USAGE_ICE_COMPATIBILITY_RFC5245 * */ typedef enum { STUN_USAGE_ICE_COMPATIBILITY_RFC5245, STUN_USAGE_ICE_COMPATIBILITY_GOOGLE, STUN_USAGE_ICE_COMPATIBILITY_MSN, STUN_USAGE_ICE_COMPATIBILITY_WLM2009, STUN_USAGE_ICE_COMPATIBILITY_DRAFT19 = STUN_USAGE_ICE_COMPATIBILITY_RFC5245, } StunUsageIceCompatibility; /** * StunUsageIceReturn: * @STUN_USAGE_ICE_RETURN_SUCCESS: The function succeeded * @STUN_USAGE_ICE_RETURN_ERROR: There was an unspecified error * @STUN_USAGE_ICE_RETURN_INVALID: The message is invalid for processing * @STUN_USAGE_ICE_RETURN_ROLE_CONFLICT: A role conflict was detected * @STUN_USAGE_ICE_RETURN_INVALID_REQUEST: The message is an not a request * @STUN_USAGE_ICE_RETURN_INVALID_METHOD: The method of the request is invalid * @STUN_USAGE_ICE_RETURN_MEMORY_ERROR: The buffer size is too small to hold * the STUN reply * @STUN_USAGE_ICE_RETURN_INVALID_ADDRESS: The mapped address argument has * an invalid address family * @STUN_USAGE_ICE_RETURN_NO_MAPPED_ADDRESS: The response is valid but no * MAPPED-ADDRESS or XOR-MAPPED-ADDRESS attribute was found * * Return value of stun_usage_ice_conncheck_process() and * stun_usage_ice_conncheck_create_reply() which allows you to see what * status the function call returned. */ typedef enum { STUN_USAGE_ICE_RETURN_SUCCESS, STUN_USAGE_ICE_RETURN_ERROR, STUN_USAGE_ICE_RETURN_INVALID, STUN_USAGE_ICE_RETURN_ROLE_CONFLICT, STUN_USAGE_ICE_RETURN_INVALID_REQUEST, STUN_USAGE_ICE_RETURN_INVALID_METHOD, STUN_USAGE_ICE_RETURN_MEMORY_ERROR, STUN_USAGE_ICE_RETURN_INVALID_ADDRESS, STUN_USAGE_ICE_RETURN_NO_MAPPED_ADDRESS, } StunUsageIceReturn; /** * stun_usage_ice_conncheck_create: * @agent: The #StunAgent to use to build the request * @msg: The #StunMessage to build * @buffer: The buffer to use for creating the #StunMessage * @buffer_len: The size of the @buffer * @username: The username to use in the request * @username_len: The length of @username * @password: The key to use for building the MESSAGE-INTEGRITY * @password_len: The length of @password * @cand_use: Set to %TRUE to append the USE-CANDIDATE flag to the request * @controlling: Set to %TRUE if you are the controlling agent or set to * %FALSE if you are the controlled agent. * @priority: The value of the PRIORITY attribute * @tie: The value of the tie-breaker to put in the ICE-CONTROLLED or * ICE-CONTROLLING attribute * @candidate_identifier: The foundation value to put in the * CANDIDATE-IDENTIFIER attribute * @compatibility: The compatibility mode to use for building the conncheck * request * * Builds an ICE connectivity check STUN message. * If the compatibility is not #STUN_USAGE_ICE_COMPATIBILITY_RFC5245, the * @cand_use, @controlling, @priority and @tie arguments are not used. * If the compatibility is not #STUN_USAGE_ICE_COMPATIBILITY_WLM2009, the * @candidate_identifier argument is not used. * Returns: The length of the message built. */ size_t stun_usage_ice_conncheck_create (StunAgent *agent, StunMessage *msg, uint8_t *buffer, size_t buffer_len, const uint8_t *username, const size_t username_len, const uint8_t *password, const size_t password_len, bool cand_use, bool controlling, uint32_t priority, uint64_t tie, const char *candidate_identifier, StunUsageIceCompatibility compatibility); /** * stun_usage_ice_conncheck_process: * @msg: The #StunMessage to process * @addr: A pointer to a #sockaddr structure to fill with the mapped address * that the STUN connectivity check response contains * @addrlen: The length of @addr * @compatibility: The compatibility mode to use for processing the conncheck * response * * Process an ICE connectivity check STUN message and retreive the * mapped address from the message * See also stun_usage_ice_conncheck_priority() and * stun_usage_ice_conncheck_use_candidate() * Returns: A #StunUsageIceReturn value */ StunUsageIceReturn stun_usage_ice_conncheck_process (StunMessage *msg, struct sockaddr *addr, socklen_t *addrlen, StunUsageIceCompatibility compatibility); /** * stun_usage_ice_conncheck_create_reply: * @agent: The #StunAgent to use to build the response * @req: The original STUN request to reply to * @msg: The #StunMessage to build * @buf: The buffer to use for creating the #StunMessage * @plen: A pointer containing the size of the @buffer on input. * Will contain the length of the message built on output. * @src: A pointer to a #sockaddr structure containing the source address from * which the request was received. Will be used as the mapped address in the * response * @srclen: The length of @addr * @control: Set to %TRUE if you are the controlling agent or set to * %FALSE if you are the controlled agent. * @tie: The value of the tie-breaker to put in the ICE-CONTROLLED or * ICE-CONTROLLING attribute * @compatibility: The compatibility mode to use for building the conncheck * response * * Tries to parse a STUN connectivity check request and builds a * response accordingly. In case of error, the @msg is filled with the appropriate error response to be sent and the value of @plen is set to the size of that message. If @plen has a size of 0, then no error response should be sent. * Returns: A #StunUsageIceReturn value */ StunUsageIceReturn stun_usage_ice_conncheck_create_reply (StunAgent *agent, StunMessage *req, StunMessage *msg, uint8_t *buf, size_t *plen, const struct sockaddr *src, socklen_t srclen, bool *control, uint64_t tie, StunUsageIceCompatibility compatibility); /** * stun_usage_ice_conncheck_priority: * @msg: The #StunMessage to parse * * Extracts the priority from a STUN message. * Returns: host byte order priority, or 0 if not specified. */ uint32_t stun_usage_ice_conncheck_priority (const StunMessage *msg); /** * stun_usage_ice_conncheck_use_candidate: * @msg: The #StunMessage to parse * * Extracts the USE-CANDIDATE attribute flag from a STUN message. * Returns: %TRUE if the flag is set, %FALSE if not. */ bool stun_usage_ice_conncheck_use_candidate (const StunMessage *msg); # ifdef __cplusplus } # endif #endif libnice-0.1.4/stun/usages/timer.c0000664000175000017500000001013011717563335013616 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2007-2009 Nokia Corporation. All rights reserved. * Contact: Rémi Denis-Courmont * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * Rémi Denis-Courmont, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include #endif #ifdef _WIN32 #define WIN32_LEAN_AND_MEAN #include #else #include #endif #include "timer.h" #include /* div() */ /* * Clock used throughout the STUN code. * STUN requires a monotonic 1kHz clock to operate properly. */ static void stun_gettime (struct timeval *now) { #ifdef _WIN32 FILETIME ft; unsigned long long *time64 = (unsigned long long *) &ft; GetSystemTimeAsFileTime (&ft); /* Convert from 100s of nanoseconds since 1601-01-01 * to Unix epoch. Yes, this is Y2038 unsafe. */ *time64 -= (unsigned long long) 116444736000000000; *time64 /= 10; now->tv_sec = (long)(*time64 / 1000000); now->tv_usec = *time64 % 1000000; #else #if defined (_POSIX_MONOTONIC_CLOCK) && (_POSIX_MONOTONIC_CLOCK >= 0) struct timespec spec; if (!clock_gettime (CLOCK_MONOTONIC, &spec)) { now->tv_sec = spec.tv_sec; now->tv_usec = spec.tv_nsec / 1000; } else #endif { // fallback to wall clock gettimeofday (now, NULL); } #endif } static void add_delay (struct timeval *ts, unsigned delay) { div_t d = div (delay, 1000); ts->tv_sec += d.quot; ts->tv_usec += d.rem * 1000; while (ts->tv_usec > 1000000) { ts->tv_usec -= 1000000; ts->tv_sec++; } } void stun_timer_start (StunTimer *timer, unsigned int initial_timeout, unsigned int max_retransmissions) { stun_gettime (&timer->deadline); timer->retransmissions = 0; timer->delay = initial_timeout; timer->max_retransmissions = max_retransmissions; add_delay (&timer->deadline, timer->delay); } void stun_timer_start_reliable (StunTimer *timer, unsigned int initial_timeout) { stun_timer_start (timer, initial_timeout, 0); } unsigned stun_timer_remainder (const StunTimer *timer) { unsigned delay; struct timeval now; stun_gettime (&now); if (now.tv_sec > timer->deadline.tv_sec) return 0; delay = timer->deadline.tv_sec - now.tv_sec; if ((delay == 0) && (now.tv_usec >= timer->deadline.tv_usec)) return 0; delay *= 1000; delay += ((signed)(timer->deadline.tv_usec - now.tv_usec)) / 1000; return delay; } StunUsageTimerReturn stun_timer_refresh (StunTimer *timer) { unsigned delay = stun_timer_remainder (timer); if (delay == 0) { if (timer->retransmissions >= timer->max_retransmissions) return STUN_USAGE_TIMER_RETURN_TIMEOUT; add_delay (&timer->deadline, timer->delay *= 2); timer->retransmissions++; return STUN_USAGE_TIMER_RETURN_RETRANSMIT; } return STUN_USAGE_TIMER_RETURN_SUCCESS; } libnice-0.1.4/stun/rand.h0000664000175000017500000000330211522161146012127 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008 Collabora Ltd. All rights reserved. * Contact: Youness Alaoui * (C) 2008 Nokia Corporation. All rights reserved. * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef RAND_H #define RAND_H #ifdef _WIN32 #include "win32_common.h" #else #include #endif void RAND_bytes (uint8_t *dst, int len); #endif /* RAND_H */ libnice-0.1.4/stun/win32_common.h0000664000175000017500000000523011717015342013521 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2008-2009 Nokia Corporation. All rights reserved. * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * Danny Smith * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ /* ISO C9x 7.18 Integer types * Based on ISO/IEC SC22/WG14 9899 Committee draft (SC22 N2794) * * THIS SOFTWARE IS NOT COPYRIGHTED * * Contributor: Danny Smith * * This source code is offered for use in the public domain. You may * use, modify or distribute it freely. * * This code is distributed in the hope that it will be useful but * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY * DISCLAIMED. This includes but is not limited to warranties of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * * Date: 2000-12-02 */ #ifndef _WIN32_COMMON_H #define _WIN32_COMMON_H #include /* 7.18.1.1 Exact-width integer types */ typedef signed char int8_t; typedef unsigned char uint8_t; typedef short int16_t; typedef unsigned short uint16_t; typedef int int32_t; typedef unsigned uint32_t; typedef long long int64_t; typedef unsigned long long uint64_t; #ifndef _SSIZE_T_ typedef unsigned int size_t; typedef unsigned long ssize_t; #endif typedef uint8_t bool; #define true 1 #define false 0 #endif /* _WIN32_COMMON_H */ libnice-0.1.4/stun/debug.h0000664000175000017500000000370211522161146012275 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2007 Nokia Corporation. All rights reserved. * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef STUN_DEBUG_H #define STUN_DEBUG_H #ifdef __cplusplus extern "C" { #endif /** * stun_debug_enable: * * Enable debug messages to stderr */ void stun_debug_enable (void); /** * stun_debug_disable: * * Disable debug messages to stderr */ void stun_debug_disable (void); void stun_debug (const char *fmt, ...); void stun_debug_bytes (const void *data, size_t len); # ifdef __cplusplus } # endif #endif /* STUN_DEBUG_H */ libnice-0.1.4/stun/utils.h0000664000175000017500000000436111522161146012351 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2008-2009 Nokia Corporation. All rights reserved. * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef STUN_UTILS_H # define STUN_UTILS_H 1 /* * @file utils.h * @brief STUN client generic utility functions */ #include "stunmessage.h" #ifdef _WIN32 #include #include #else #include #include #include #endif # ifdef __cplusplus extern "C" { # endif size_t stun_padding (size_t l); size_t stun_align (size_t l); uint16_t stun_getw (const uint8_t *ptr); void *stun_setw (uint8_t *ptr, uint16_t value); void stun_set_type (uint8_t *h, StunClass c, StunMethod m); StunMessageReturn stun_xor_address (const StunMessage *msg, struct sockaddr *addr, socklen_t addrlen, uint32_t magic_cookie); # ifdef __cplusplus } # endif #endif /* STUN_UTILS_H */ libnice-0.1.4/stun/stunhmac.c0000664000175000017500000000714411522161146013030 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2007-2009 Nokia Corporation. All rights reserved. * Contact: Rémi Denis-Courmont * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * Rémi Denis-Courmont, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include #endif #include "sha1.h" #include "md5.h" #include "rand.h" #include "stunmessage.h" #include "stunhmac.h" #include #include void stun_sha1 (const uint8_t *msg, size_t len, size_t msg_len, uint8_t *sha, const void *key, size_t keylen, int padding) { uint16_t fakelen = htons (msg_len); const uint8_t *vector[4]; size_t lengths[4]; uint8_t pad_char[64] = {0}; size_t num_elements; assert (len >= 44u); vector[0] = msg; lengths[0] = 2; vector[1] = (const uint8_t *)&fakelen; lengths[1] = 2; vector[2] = msg + 4; lengths[2] = len - 28; num_elements = 3; /* RFC 3489 specifies that the message's size should be 64 bytes, and \x00 padding should be done */ if (padding && ((len - 24) % 64) > 0) { uint16_t pad_size = 64 - ((len - 24) % 64); vector[3] = pad_char; lengths[3] = pad_size; num_elements++; } hmac_sha1_vector(key, keylen, num_elements, vector, lengths, sha); } static const uint8_t *priv_trim_var (const uint8_t *var, size_t *var_len) { const uint8_t *ptr = var; while (*ptr == '"') { ptr++; (*var_len)--; } while(ptr[*var_len-1] == '"' || ptr[*var_len-1] == 0) { (*var_len)--; } return ptr; } void stun_hash_creds (const uint8_t *realm, size_t realm_len, const uint8_t *username, size_t username_len, const uint8_t *password, size_t password_len, unsigned char md5[16]) { MD5_CTX ctx; const uint8_t *username_trimmed = priv_trim_var (username, &username_len); const uint8_t *password_trimmed = priv_trim_var (password, &password_len); const uint8_t *realm_trimmed = priv_trim_var (realm, &realm_len); const uint8_t *colon = (uint8_t *)":"; MD5Init (&ctx); MD5Update (&ctx, username_trimmed, username_len); MD5Update (&ctx, colon, 1); MD5Update (&ctx, realm_trimmed, realm_len); MD5Update (&ctx, colon, 1); MD5Update (&ctx, password_trimmed, password_len); MD5Final (md5, &ctx); } void stun_make_transid (StunTransactionId id) { RAND_bytes (id, 16); } libnice-0.1.4/stun/stunagent.c0000664000175000017500000005563111522161200013211 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2008-2009 Nokia Corporation. All rights reserved. * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include #endif #include "stunmessage.h" #include "stunagent.h" #include "stunhmac.h" #include "stun5389.h" #include "utils.h" #include #include static bool stun_agent_is_unknown (StunAgent *agent, uint16_t type); static unsigned stun_agent_find_unknowns (StunAgent *agent, const StunMessage * msg, uint16_t *list, unsigned max); void stun_agent_init (StunAgent *agent, const uint16_t *known_attributes, StunCompatibility compatibility, StunAgentUsageFlags usage_flags) { int i; agent->known_attributes = (uint16_t *) known_attributes; agent->compatibility = compatibility; agent->usage_flags = usage_flags; agent->software_attribute = NULL; for (i = 0; i < STUN_AGENT_MAX_SAVED_IDS; i++) { agent->sent_ids[i].valid = FALSE; } } bool stun_agent_default_validater (StunAgent *agent, StunMessage *message, uint8_t *username, uint16_t username_len, uint8_t **password, size_t *password_len, void *user_data) { StunDefaultValidaterData* val = (StunDefaultValidaterData *) user_data; int i; for (i = 0; val && val[i].username ; i++) { stun_debug ("Comparing username '"); stun_debug_bytes (username, username_len); stun_debug ("' (%d) with '", username_len); stun_debug_bytes (val[i].username, val[i].username_len); stun_debug ("' (%d) : %d\n", val[i].username_len, memcmp (username, val[i].username, username_len)); if (username_len == val[i].username_len && memcmp (username, val[i].username, username_len) == 0) { *password = (uint8_t *) val[i].password; *password_len = val[i].password_len; stun_debug ("Found valid username, returning password : '%s'\n", *password); return TRUE; } } return FALSE; } StunValidationStatus stun_agent_validate (StunAgent *agent, StunMessage *msg, const uint8_t *buffer, size_t buffer_len, StunMessageIntegrityValidate validater, void * validater_data) { StunTransactionId msg_id; uint32_t fpr; uint32_t crc32; int len; uint8_t *username = NULL; uint16_t username_len; uint8_t *key = NULL; size_t key_len; uint8_t *hash; uint8_t sha[20]; uint16_t hlen; int sent_id_idx = -1; uint16_t unknown; int error_code; int ignore_credentials = 0; uint8_t long_term_key[16]; bool long_term_key_valid = FALSE; len = stun_message_validate_buffer_length (buffer, buffer_len, !(agent->usage_flags & STUN_AGENT_USAGE_NO_ALIGNED_ATTRIBUTES)); if (len == STUN_MESSAGE_BUFFER_INVALID) { return STUN_VALIDATION_NOT_STUN; } else if (len == STUN_MESSAGE_BUFFER_INCOMPLETE) { return STUN_VALIDATION_INCOMPLETE_STUN; } else if (len != (int) buffer_len) { return STUN_VALIDATION_NOT_STUN; } msg->buffer = (uint8_t *) buffer; msg->buffer_len = buffer_len; msg->agent = agent; msg->key = NULL; msg->key_len = 0; msg->long_term_valid = FALSE; /* TODO: reject it or not ? */ if ((agent->compatibility == STUN_COMPATIBILITY_RFC5389 || agent->compatibility == STUN_COMPATIBILITY_WLM2009) && !stun_message_has_cookie (msg)) { stun_debug ("STUN demux error: no cookie!\n"); return STUN_VALIDATION_BAD_REQUEST; } if ((agent->compatibility == STUN_COMPATIBILITY_RFC5389 || agent->compatibility == STUN_COMPATIBILITY_WLM2009) && agent->usage_flags & STUN_AGENT_USAGE_USE_FINGERPRINT) { /* Looks for FINGERPRINT */ if (stun_message_find32 (msg, STUN_ATTRIBUTE_FINGERPRINT, &fpr) != STUN_MESSAGE_RETURN_SUCCESS) { stun_debug ("STUN demux error: no FINGERPRINT attribute!\n"); return STUN_VALIDATION_BAD_REQUEST; } /* Checks FINGERPRINT */ crc32 = stun_fingerprint (msg->buffer, stun_message_length (msg), agent->compatibility == STUN_COMPATIBILITY_WLM2009); fpr = ntohl (fpr); if (fpr != crc32) { stun_debug ("STUN demux error: bad fingerprint: 0x%08x," " expected: 0x%08x!\n", fpr, crc32); return STUN_VALIDATION_BAD_REQUEST; } stun_debug ("STUN demux: OK!\n"); } if (stun_message_get_class (msg) == STUN_RESPONSE || stun_message_get_class (msg) == STUN_ERROR) { stun_message_id (msg, msg_id); for (sent_id_idx = 0; sent_id_idx < STUN_AGENT_MAX_SAVED_IDS; sent_id_idx++) { if (agent->sent_ids[sent_id_idx].valid == TRUE && agent->sent_ids[sent_id_idx].method == stun_message_get_method (msg) && memcmp (msg_id, agent->sent_ids[sent_id_idx].id, sizeof(StunTransactionId)) == 0) { key = agent->sent_ids[sent_id_idx].key; key_len = agent->sent_ids[sent_id_idx].key_len; memcpy (long_term_key, agent->sent_ids[sent_id_idx].long_term_key, sizeof(long_term_key)); long_term_key_valid = agent->sent_ids[sent_id_idx].long_term_valid; break; } } if (sent_id_idx == STUN_AGENT_MAX_SAVED_IDS) { return STUN_VALIDATION_UNMATCHED_RESPONSE; } } ignore_credentials = (agent->usage_flags & STUN_AGENT_USAGE_IGNORE_CREDENTIALS) || (stun_message_get_class (msg) == STUN_ERROR && stun_message_find_error (msg, &error_code) == STUN_MESSAGE_RETURN_SUCCESS && (error_code == 400 || error_code == 401)) || (stun_message_get_class (msg) == STUN_INDICATION && (agent->usage_flags & STUN_AGENT_USAGE_NO_INDICATION_AUTH)); if (key == NULL && ignore_credentials == 0 && (stun_message_get_class (msg) == STUN_REQUEST || stun_message_get_class (msg) == STUN_INDICATION) && (((agent->usage_flags & STUN_AGENT_USAGE_SHORT_TERM_CREDENTIALS) && (!stun_message_has_attribute (msg, STUN_ATTRIBUTE_USERNAME) || !stun_message_has_attribute (msg, STUN_ATTRIBUTE_MESSAGE_INTEGRITY))) || ((agent->usage_flags & STUN_AGENT_USAGE_LONG_TERM_CREDENTIALS) && stun_message_get_class (msg) == STUN_REQUEST && (!stun_message_has_attribute (msg, STUN_ATTRIBUTE_USERNAME) || !stun_message_has_attribute (msg, STUN_ATTRIBUTE_MESSAGE_INTEGRITY) || !stun_message_has_attribute (msg, STUN_ATTRIBUTE_NONCE) || !stun_message_has_attribute (msg, STUN_ATTRIBUTE_REALM))) || ((agent->usage_flags & STUN_AGENT_USAGE_IGNORE_CREDENTIALS) == 0 && stun_message_has_attribute (msg, STUN_ATTRIBUTE_USERNAME) && !stun_message_has_attribute (msg, STUN_ATTRIBUTE_MESSAGE_INTEGRITY)))) { return STUN_VALIDATION_UNAUTHORIZED_BAD_REQUEST; } if (stun_message_has_attribute (msg, STUN_ATTRIBUTE_MESSAGE_INTEGRITY) && ((key == NULL && ignore_credentials == 0) || (agent->usage_flags & STUN_AGENT_USAGE_FORCE_VALIDATER))) { username_len = 0; username = (uint8_t *) stun_message_find (msg, STUN_ATTRIBUTE_USERNAME, &username_len); if (validater == NULL || validater (agent, msg, username, username_len, &key, &key_len, validater_data) == FALSE) { return STUN_VALIDATION_UNAUTHORIZED; } } if (ignore_credentials == 0 && key != NULL && key_len > 0) { hash = (uint8_t *) stun_message_find (msg, STUN_ATTRIBUTE_MESSAGE_INTEGRITY, &hlen); if (hash) { /* We must give the size from start to the end of the attribute because you might have a FINGERPRINT attribute after it... */ if (agent->usage_flags & STUN_AGENT_USAGE_LONG_TERM_CREDENTIALS) { uint8_t *realm = NULL; uint8_t *username = NULL; uint16_t realm_len; uint16_t username_len; uint8_t md5[16]; if (long_term_key_valid) { memcpy (md5, long_term_key, sizeof (md5)); } else { realm = (uint8_t *) stun_message_find (msg, STUN_ATTRIBUTE_REALM, &realm_len); username = (uint8_t *) stun_message_find (msg, STUN_ATTRIBUTE_USERNAME, &username_len); if (username == NULL || realm == NULL) { return STUN_VALIDATION_UNAUTHORIZED; } stun_hash_creds (realm, realm_len, username, username_len, key, key_len, md5); } memcpy (msg->long_term_key, md5, sizeof(md5)); msg->long_term_valid = TRUE; if (agent->compatibility == STUN_COMPATIBILITY_RFC3489 || agent->compatibility == STUN_COMPATIBILITY_OC2007) { stun_sha1 (msg->buffer, hash + 20 - msg->buffer, hash - msg->buffer, sha, md5, sizeof(md5), TRUE); } else if (agent->compatibility == STUN_COMPATIBILITY_WLM2009) { stun_sha1 (msg->buffer, hash + 20 - msg->buffer, stun_message_length (msg) - 20, sha, md5, sizeof(md5), TRUE); } else { stun_sha1 (msg->buffer, hash + 20 - msg->buffer, hash - msg->buffer, sha, md5, sizeof(md5), FALSE); } } else { if (agent->compatibility == STUN_COMPATIBILITY_RFC3489 || agent->compatibility == STUN_COMPATIBILITY_OC2007) { stun_sha1 (msg->buffer, hash + 20 - msg->buffer, hash - msg->buffer, sha, key, key_len, TRUE); } else if (agent->compatibility == STUN_COMPATIBILITY_WLM2009) { stun_sha1 (msg->buffer, hash + 20 - msg->buffer, stun_message_length (msg) - 20, sha, key, key_len, TRUE); } else { stun_sha1 (msg->buffer, hash + 20 - msg->buffer, hash - msg->buffer, sha, key, key_len, FALSE); } } stun_debug (" Message HMAC-SHA1 fingerprint:"); stun_debug ("\nkey : "); stun_debug_bytes (key, key_len); stun_debug ("\n expected: "); stun_debug_bytes (sha, sizeof (sha)); stun_debug ("\n received: "); stun_debug_bytes (hash, sizeof (sha)); stun_debug ("\n"); if (memcmp (sha, hash, sizeof (sha))) { stun_debug ("STUN auth error: SHA1 fingerprint mismatch!\n"); return STUN_VALIDATION_UNAUTHORIZED; } stun_debug ("STUN auth: OK!\n"); msg->key = key; msg->key_len = key_len; } else if (!(stun_message_get_class (msg) == STUN_ERROR && stun_message_find_error (msg, &error_code) == STUN_MESSAGE_RETURN_SUCCESS && (error_code == 400 || error_code == 401))) { stun_debug ("STUN auth error: No message integrity attribute!\n"); return STUN_VALIDATION_UNAUTHORIZED; } } if (sent_id_idx != -1 && sent_id_idx < STUN_AGENT_MAX_SAVED_IDS) { agent->sent_ids[sent_id_idx].valid = FALSE; } if (stun_agent_find_unknowns (agent, msg, &unknown, 1) > 0) { if (stun_message_get_class (msg) == STUN_REQUEST) return STUN_VALIDATION_UNKNOWN_REQUEST_ATTRIBUTE; else return STUN_VALIDATION_UNKNOWN_ATTRIBUTE; } return STUN_VALIDATION_SUCCESS; } bool stun_agent_forget_transaction (StunAgent *agent, StunTransactionId id) { int i; for (i = 0; i < STUN_AGENT_MAX_SAVED_IDS; i++) { if (agent->sent_ids[i].valid == TRUE && memcmp (id, agent->sent_ids[i].id, sizeof(StunTransactionId)) == 0) { agent->sent_ids[i].valid = FALSE; return TRUE; } } return FALSE; } bool stun_agent_init_request (StunAgent *agent, StunMessage *msg, uint8_t *buffer, size_t buffer_len, StunMethod m) { bool ret; StunTransactionId id; msg->buffer = buffer; msg->buffer_len = buffer_len; msg->agent = agent; msg->key = NULL; msg->key_len = 0; msg->long_term_valid = FALSE; stun_make_transid (id); ret = stun_message_init (msg, STUN_REQUEST, m, id); if (ret) { if (agent->compatibility == STUN_COMPATIBILITY_RFC5389 || agent->compatibility == STUN_COMPATIBILITY_WLM2009) { uint32_t cookie = htonl (STUN_MAGIC_COOKIE); memcpy (msg->buffer + STUN_MESSAGE_TRANS_ID_POS, &cookie, sizeof (cookie)); } if ((agent->compatibility == STUN_COMPATIBILITY_RFC5389 || agent->compatibility == STUN_COMPATIBILITY_WLM2009) && (agent->software_attribute != NULL || agent->usage_flags & STUN_AGENT_USAGE_ADD_SOFTWARE)) { stun_message_append_software (msg, agent->software_attribute); } } return ret; } bool stun_agent_init_indication (StunAgent *agent, StunMessage *msg, uint8_t *buffer, size_t buffer_len, StunMethod m) { bool ret; StunTransactionId id; msg->buffer = buffer; msg->buffer_len = buffer_len; msg->agent = agent; msg->key = NULL; msg->key_len = 0; msg->long_term_valid = FALSE; stun_make_transid (id); ret = stun_message_init (msg, STUN_INDICATION, m, id); if (ret) { if (agent->compatibility == STUN_COMPATIBILITY_RFC5389 || agent->compatibility == STUN_COMPATIBILITY_WLM2009) { uint32_t cookie = htonl (STUN_MAGIC_COOKIE); memcpy (msg->buffer + STUN_MESSAGE_TRANS_ID_POS, &cookie, sizeof (cookie)); } } return ret; } bool stun_agent_init_response (StunAgent *agent, StunMessage *msg, uint8_t *buffer, size_t buffer_len, const StunMessage *request) { StunTransactionId id; if (stun_message_get_class (request) != STUN_REQUEST) { return FALSE; } msg->buffer = buffer; msg->buffer_len = buffer_len; msg->agent = agent; msg->key = request->key; msg->key_len = request->key_len; memmove (msg->long_term_key, request->long_term_key, sizeof(msg->long_term_key)); msg->long_term_valid = request->long_term_valid; stun_message_id (request, id); if (stun_message_init (msg, STUN_RESPONSE, stun_message_get_method (request), id)) { if ((agent->compatibility == STUN_COMPATIBILITY_RFC5389 || agent->compatibility == STUN_COMPATIBILITY_WLM2009) && (agent->software_attribute != NULL || agent->usage_flags & STUN_AGENT_USAGE_ADD_SOFTWARE)) { stun_message_append_software (msg, agent->software_attribute); } return TRUE; } return FALSE; } bool stun_agent_init_error (StunAgent *agent, StunMessage *msg, uint8_t *buffer, size_t buffer_len, const StunMessage *request, StunError err) { StunTransactionId id; if (stun_message_get_class (request) != STUN_REQUEST) { return FALSE; } msg->buffer = buffer; msg->buffer_len = buffer_len; msg->agent = agent; msg->key = request->key; msg->key_len = request->key_len; memmove (msg->long_term_key, request->long_term_key, sizeof(msg->long_term_key)); msg->long_term_valid = request->long_term_valid; stun_message_id (request, id); if (stun_message_init (msg, STUN_ERROR, stun_message_get_method (request), id)) { if ((agent->compatibility == STUN_COMPATIBILITY_RFC5389 || agent->compatibility == STUN_COMPATIBILITY_WLM2009) && (agent->software_attribute != NULL || agent->usage_flags & STUN_AGENT_USAGE_ADD_SOFTWARE)) { stun_message_append_software (msg, agent->software_attribute); } if (stun_message_append_error (msg, err) == STUN_MESSAGE_RETURN_SUCCESS) { return TRUE; } } return FALSE; } size_t stun_agent_build_unknown_attributes_error (StunAgent *agent, StunMessage *msg, uint8_t *buffer, size_t buffer_len, const StunMessage *request) { unsigned counter; uint16_t ids[STUN_AGENT_MAX_UNKNOWN_ATTRIBUTES]; counter = stun_agent_find_unknowns (agent, request, ids, STUN_AGENT_MAX_UNKNOWN_ATTRIBUTES); if (stun_agent_init_error (agent, msg, buffer, buffer_len, request, STUN_ERROR_UNKNOWN_ATTRIBUTE) == FALSE) { return 0; } /* NOTE: Old RFC3489 compatibility: * When counter is odd, duplicate one value for 32-bits padding. */ if (!stun_message_has_cookie (request) && (counter & 1)) ids[counter++] = ids[0]; if (stun_message_append_bytes (msg, STUN_ATTRIBUTE_UNKNOWN_ATTRIBUTES, ids, counter * 2) == STUN_MESSAGE_RETURN_SUCCESS) { return stun_agent_finish_message (agent, msg, request->key, request->key_len); } return 0; } size_t stun_agent_finish_message (StunAgent *agent, StunMessage *msg, const uint8_t *key, size_t key_len) { uint8_t *ptr; uint32_t fpr; int saved_id_idx = 0; uint8_t md5[16]; if (stun_message_get_class (msg) == STUN_REQUEST) { for (saved_id_idx = 0; saved_id_idx < STUN_AGENT_MAX_SAVED_IDS; saved_id_idx++) { if (agent->sent_ids[saved_id_idx].valid == FALSE) { break; } } } if (saved_id_idx == STUN_AGENT_MAX_SAVED_IDS) { stun_debug ("Saved ids full"); return 0; } if (msg->key != NULL) { key = msg->key; key_len = msg->key_len; } if (key != NULL) { bool skip = FALSE; if (msg->long_term_valid) { memcpy (md5, msg->long_term_key, sizeof(msg->long_term_key)); } else if (agent->usage_flags & STUN_AGENT_USAGE_LONG_TERM_CREDENTIALS) { uint8_t *realm = NULL; uint8_t *username = NULL; uint16_t realm_len; uint16_t username_len; realm = (uint8_t *) stun_message_find (msg, STUN_ATTRIBUTE_REALM, &realm_len); username = (uint8_t *) stun_message_find (msg, STUN_ATTRIBUTE_USERNAME, &username_len); if (username == NULL || realm == NULL) { skip = TRUE; } else { stun_hash_creds (realm, realm_len, username, username_len, key, key_len, md5); } memcpy (msg->long_term_key, md5, sizeof(msg->long_term_key)); msg->long_term_valid = TRUE; } /* If no realm/username and long term credentials, then don't send the message integrity */ if (skip == FALSE) { ptr = stun_message_append (msg, STUN_ATTRIBUTE_MESSAGE_INTEGRITY, 20); if (ptr == NULL) { return 0; } if (agent->usage_flags & STUN_AGENT_USAGE_LONG_TERM_CREDENTIALS) { if (agent->compatibility == STUN_COMPATIBILITY_RFC3489 || agent->compatibility == STUN_COMPATIBILITY_OC2007) { stun_sha1 (msg->buffer, stun_message_length (msg), stun_message_length (msg) - 20, ptr, md5, sizeof(md5), TRUE); } else if (agent->compatibility == STUN_COMPATIBILITY_WLM2009) { size_t minus = 20; if (agent->usage_flags & STUN_AGENT_USAGE_USE_FINGERPRINT) minus -= 8; stun_sha1 (msg->buffer, stun_message_length (msg), stun_message_length (msg) - minus, ptr, md5, sizeof(md5), TRUE); } else { stun_sha1 (msg->buffer, stun_message_length (msg), stun_message_length (msg) - 20, ptr, md5, sizeof(md5), FALSE); } } else { if (agent->compatibility == STUN_COMPATIBILITY_RFC3489 || agent->compatibility == STUN_COMPATIBILITY_OC2007) { stun_sha1 (msg->buffer, stun_message_length (msg), stun_message_length (msg) - 20, ptr, key, key_len, TRUE); } else if (agent->compatibility == STUN_COMPATIBILITY_WLM2009) { size_t minus = 20; if (agent->usage_flags & STUN_AGENT_USAGE_USE_FINGERPRINT) minus -= 8; stun_sha1 (msg->buffer, stun_message_length (msg), stun_message_length (msg) - minus, ptr, key, key_len, TRUE); } else { stun_sha1 (msg->buffer, stun_message_length (msg), stun_message_length (msg) - 20, ptr, key, key_len, FALSE); } } stun_debug (" Message HMAC-SHA1 message integrity:" "\n key : "); stun_debug_bytes (key, key_len); stun_debug ("\n sent : "); stun_debug_bytes (ptr, 20); stun_debug ("\n"); } } if ((agent->compatibility == STUN_COMPATIBILITY_RFC5389 || agent->compatibility == STUN_COMPATIBILITY_WLM2009) && agent->usage_flags & STUN_AGENT_USAGE_USE_FINGERPRINT) { ptr = stun_message_append (msg, STUN_ATTRIBUTE_FINGERPRINT, 4); if (ptr == NULL) { return 0; } fpr = stun_fingerprint (msg->buffer, stun_message_length (msg), agent->compatibility == STUN_COMPATIBILITY_WLM2009); memcpy (ptr, &fpr, sizeof (fpr)); stun_debug (" Message HMAC-SHA1 fingerprint: "); stun_debug_bytes (ptr, 4); stun_debug ("\n"); } if (stun_message_get_class (msg) == STUN_REQUEST) { stun_message_id (msg, agent->sent_ids[saved_id_idx].id); agent->sent_ids[saved_id_idx].method = stun_message_get_method (msg); agent->sent_ids[saved_id_idx].key = (uint8_t *) key; agent->sent_ids[saved_id_idx].key_len = key_len; memcpy (agent->sent_ids[saved_id_idx].long_term_key, msg->long_term_key, sizeof(msg->long_term_key)); agent->sent_ids[saved_id_idx].long_term_valid = msg->long_term_valid; agent->sent_ids[saved_id_idx].valid = TRUE; } msg->key = (uint8_t *) key; msg->key_len = key_len; return stun_message_length (msg); } static bool stun_agent_is_unknown (StunAgent *agent, uint16_t type) { uint16_t *known_attr = agent->known_attributes; while(*known_attr != 0) { if (*known_attr == type) { return FALSE; } known_attr++; } return TRUE; } static unsigned stun_agent_find_unknowns (StunAgent *agent, const StunMessage * msg, uint16_t *list, unsigned max) { unsigned count = 0; uint16_t len = stun_message_length (msg); size_t offset = 0; offset = STUN_MESSAGE_ATTRIBUTES_POS; while ((offset < len) && (count < max)) { size_t alen = stun_getw (msg->buffer + offset + STUN_ATTRIBUTE_TYPE_LEN); uint16_t atype = stun_getw (msg->buffer + offset); if (!stun_optional (atype) && stun_agent_is_unknown (agent, atype)) { stun_debug ("STUN unknown: attribute 0x%04x(%u bytes)\n", (unsigned)atype, (unsigned)alen); list[count++] = htons (atype); } if (!(agent->usage_flags & STUN_AGENT_USAGE_NO_ALIGNED_ATTRIBUTES)) alen = stun_align (alen); offset += STUN_ATTRIBUTE_VALUE_POS + alen; } stun_debug ("STUN unknown: %u mandatory attribute(s)!\n", count); return count; } void stun_agent_set_software (StunAgent *agent, const char *software) { agent->software_attribute = software; } libnice-0.1.4/stun/tests/0000775000175000017500000000000012112010566012251 500000000000000libnice-0.1.4/stun/tests/check-bind.sh0000755000175000017500000000203711241364464014532 00000000000000#! /bin/sh STUNC=../tools/stunbdc STUND=../tools/stund set -xe # Dummy command line parsing tests $STUNC -h $STUNC -V ! $STUNC server port dummy # Timeout tests ! $STUNC -4 127.0.0.1 1 ! $STUNC -6 ::1 1 # Allocate a likely unused port number PORT=$((32768+$$)) if test $PORT -le 1024; then PORT=$(($PORT+1024)) fi echo "Using local UDP port number $PORT ..." # Start the STUN test daemon if needed rm -f stund?.pid stund?.fail stunc?.log for v in 4 6; do (($SHELL -c "echo \$\$ > stund$v.pid ; exec $STUND -$v $PORT") || \ touch stund$v.fail) & done # Run the test client $STUNC -4 127.0.0.1 $PORT > stunc4.log || test -f stund4.fail $STUNC -6 ::1 $PORT > stunc6.log || test -f stund6.fail # Terminate the test daemon for v in 4 6; do kill -INT $(cat stund$v.pid) || true; done wait # Check client results if test -f stund4.fail; then exit 77; fi grep -e "^Mapped address: 127.0.0.1" stunc4.log || exit 4 if test -f stund6.fail; then exit 77; fi grep -e "^Mapped address: ::1" stunc6.log || exit 6 rm -f stund?.fail stund?.pid stunc?.log libnice-0.1.4/stun/tests/test-parse.c0000664000175000017500000005770712013250226014443 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2007 Nokia Corporation. All rights reserved. * Contact: Rémi Denis-Courmont * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Rémi Denis-Courmont, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include #endif #include "stun/stunagent.h" #include "stun/stunhmac.h" #include #include #include #include #ifdef _WIN32 #include #include #else #include #include #include #include #endif # define STUN_MAX_STR (763u) # define STUN_MAX_CP (127u) static void fatal (const char *msg, ...) { va_list ap; va_start (ap, msg); vfprintf (stderr, msg, ap); va_end (ap); fputc ('\n', stderr); exit (1); } static void validate (const uint8_t *msg, unsigned len) { unsigned i = 1; do { size_t vlen = stun_message_validate_buffer_length (msg, i, TRUE); if ((vlen & 3) || (vlen != ((i >= len) * len))) fatal ("%u/%u short message test failed", i, len); } while (i++ < (len + 4)); } /* Tests for generic message validation routines */ static void test_message (void) { static const uint8_t extra_garbage[] = {0x15, 0x55, 0x00, 0x00, 0x21, 0x12, 0xA4, 0x42, // cookie 0x76, 0x54, 0x32, 0x10, 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10, 0xaa, 0xbb, 0xcc, 0xdd}; //extra garbage static const uint8_t simple_resp[] = {0x15, 0x55, 0x00, 0x00, 0x21, 0x12, 0xA4, 0x42, // cookie 0x76, 0x54, 0x32, 0x10, 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10}; static const uint8_t old_ind[] = {0x14, 0x55, 0x00, 0x00, 0xfe, 0xdc, 0xba, 0x98, // NO cookie 0x76, 0x54, 0x32, 0x10, 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10}; static const uint8_t fpr_resp[] = {0x15, 0x55, 0x00, 0x10, 0x21, 0x12, 0xA4, 0x42, // cookie 0x76, 0x54, 0x32, 0x10, 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10, 0x00, 0x06, 0x00, 0x04, // dummy USERNAME header 0x41, 0x42, 0x43, 0x44, 0x80, 0x28, 0x00, 0x04, // FINGERPRINT header 0xdc, 0x8d, 0xa7, 0x74}; // CRC32; static const uint8_t bad1[32] = {0x15, 0x55, 0x00, 0x08, 0x21, 0x12, 0xA4, 0x42, // cookie 0x76, 0x54, 0x32, 0x10, 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10, 0x00, 0x06, 0x00, 0x05, // too big attribute for message 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88}; static const uint8_t bad2[24] = {0x15, 0x55, 0x00, 0x05, // invalid message length 0x21, 0x12, 0xA4, 0x42, 0x76, 0x54, 0x32, 0x10, 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10, 0x00, 0x06, 0x00, 0x01}; static const uint8_t bad3[27] = {0x15, 0x55, 0x00, 0x08, 0x21, 0x12, 0xA4, 0x42, 0x76, 0x54, 0x32, 0x10, 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10, 0x00, 0x06, 0x00, 0x03, 0x11, 0x22, 0x33}; // missing padding static const uint8_t bad_crc[] = {0x15, 0x55, 0x00, 0x08, 0x21, 0x12, 0xA4, 0x42, 0x76, 0x54, 0x32, 0x10, 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10, 0x80, 0x28, 0x00, 0x04, // FINGERPRINT header 0x04, 0x91, 0xcd, 0x78}; // CRC32 static uint8_t bad_crc_offset[] = {0x15, 0x55, 0x00, 0x10, 0x21, 0x12, 0xA4, 0x42, 0x76, 0x54, 0x32, 0x10, 0xfe, 0xdc, 0xba, 0x98, 0x20, 0x67, 0xc4, 0x09, 0x80, 0x28, 0x00, 0x04, // FINGERPRINT header 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x04, 0x41, 0x42, 0x43, 0x44}; static unsigned char req[] = {0x00, 0x01, 0x00, 0x00, 0x8b, 0x45, 0x9b, 0xc3, 0xe7, 0x7a, 0x05, 0xb3, 0xe4, 0xfe, 0x01, 0xf0, 0xaf, 0x83, 0xe1, 0x9e}; static uint8_t binding_error_resp[] = {0x01, 0x11, 0x00, 0x84, 0x8b, 0x45, 0x9b, 0xc3, 0xe7, 0x7a, 0x05, 0xb3, 0xe4, 0xfe, 0x01, 0xf0, 0xaf, 0x83, 0xe1, 0x9e, 0x00, 0x06, 0x00, 0x48, // USERNAME 0x92, 0x6b, 0x2b, 0x3e, 0x6a, 0xa5, 0x43, 0x58, 0xa8, 0x51, 0x25, 0xa6, 0xf7, 0x9c, 0x0a, 0xe7, 0xd8, 0x86, 0xf7, 0x76, 0xf9, 0xcd, 0x8a, 0x2e, 0x45, 0xd7, 0xcb, 0xbb, 0xae, 0xe5, 0x03, 0xc3, 0x3a, 0x32, 0x3a, 0xa9, 0x9e, 0xb7, 0x7b, 0x32, 0xe3, 0xf3, 0xa6, 0xc0, 0xe8, 0x54, 0x4b, 0xef, 0x52, 0xd2, 0xe2, 0xc0, 0x43, 0xc2, 0x4c, 0xbc, 0xaf, 0xd9, 0xf2, 0xfa, 0x48, 0x8b, 0x8c, 0xe6, 0x62, 0x14, 0x64, 0x3a, 0x32, 0x00, 0x00, 0x00, 0x00, 0x09, 0x00, 0x1c, // ERROR-CODE 0x00, 0x00, 0x04, 0x1f, 0x49, 0x6e, 0x74, 0x65, 0x67, 0x72, 0x69, 0x74, 0x79, 0x20, 0x43, 0x68, 0x65, 0x63, 0x6b, 0x20, 0x46, 0x61, 0x69, 0x6c, 0x75, 0x72, 0x65, 0x2e, 0x00, 0x08, 0x00, 0x14, // MESSAGE-INTEGRITY 0xf7, 0x46, 0x81, 0xc4, 0x6f, 0x4c, 0x21, 0x5c, 0xf6, 0x8e, 0xc0, 0x81, 0x0e, 0x20, 0x3f, 0xb1, 0xb1, 0xad, 0xa4, 0x8a}; StunAgent agent; StunAgent agent2; StunMessage msg; uint16_t known_attributes[] = {STUN_ATTRIBUTE_USERNAME, STUN_ATTRIBUTE_ERROR_CODE, STUN_ATTRIBUTE_MESSAGE_INTEGRITY}; uint8_t username_v[] = {0x92, 0x6b, 0x2b, 0x3e, 0x6a, 0xa5, 0x43, 0x58, 0xa8, 0x51, 0x25, 0xa6, 0xf7, 0x9c, 0x0a, 0xe7, 0xd8, 0x86, 0xf7, 0x76, 0xf9, 0xcd, 0x8a, 0x2e, 0x45, 0xd7, 0xcb, 0xbb, 0xae, 0xe5, 0x03, 0xc3, 0x3a, 0x32, 0x3a, 0xa9, 0x9e, 0xb7, 0x7b, 0x32, 0xe3, 0xf3, 0xa6, 0xc0, 0xe8, 0x54, 0x4b, 0xef, 0x52, 0xd2, 0xe2, 0xc0, 0x43, 0xc2, 0x4c, 0xbc, 0xaf, 0xd9, 0xf2, 0xfa, 0x48, 0x8b, 0x8c, 0xe6, 0x62, 0x14, 0x64, 0x3a, 0x32, 0x00, 0x00, 0x00}; uint8_t password_v[] = {0x77, 0xd9, 0x7a, 0xe9, 0xcf, 0xe0, 0x3e, 0xa2, 0x28, 0xa0, 0x5d, 0xec, 0xcf, 0x36, 0xe8, 0x49}; StunDefaultValidaterData v = {username_v, 72, password_v, 16}; stun_agent_init (&agent, known_attributes, STUN_COMPATIBILITY_RFC5389, STUN_AGENT_USAGE_USE_FINGERPRINT); stun_agent_init (&agent2, known_attributes, STUN_COMPATIBILITY_RFC3489, STUN_AGENT_USAGE_SHORT_TERM_CREDENTIALS); stun_agent_validate (&agent2, &msg, req, sizeof(req), NULL, NULL); stun_agent_finish_message (&agent2, &msg, NULL, 0); if (stun_agent_validate (&agent2, &msg, binding_error_resp, sizeof(binding_error_resp), stun_agent_default_validater, &v) != STUN_VALIDATION_SUCCESS) fatal ("Binding Error Response failed"); if (stun_message_validate_buffer_length (NULL, 0, TRUE) != STUN_MESSAGE_BUFFER_INVALID) fatal ("0 bytes test failed"); if (stun_message_validate_buffer_length ((uint8_t *)"\xf0", 1, TRUE) >= 0) fatal ("1 byte test failed"); if (stun_message_validate_buffer_length (bad1, sizeof (bad1), TRUE) >= 0) fatal ("Badness 1 test failed"); if (stun_message_validate_buffer_length (bad2, sizeof (bad2), TRUE) >= 0) fatal ("Badness 2 test failed"); if (stun_message_validate_buffer_length (bad3, sizeof (bad3), TRUE) != 0) fatal ("Badness 3 test failed"); validate (simple_resp, 20); validate (old_ind, 20); validate (fpr_resp, 36); if (stun_agent_validate (&agent, &msg, extra_garbage, sizeof(extra_garbage), NULL, NULL) != STUN_VALIDATION_NOT_STUN) fatal ("Extra garbage test failed"); if (stun_agent_validate (&agent, &msg, simple_resp, sizeof(simple_resp), NULL, NULL) != STUN_VALIDATION_BAD_REQUEST) fatal ("Missing CRC test failed"); if (stun_agent_validate (&agent, &msg, old_ind, sizeof(old_ind), NULL, NULL) != STUN_VALIDATION_BAD_REQUEST) fatal ("Missing cookie test failed"); if (stun_agent_validate (&agent, &msg, bad_crc, sizeof(bad_crc), NULL, NULL) != STUN_VALIDATION_BAD_REQUEST) fatal ("Bad CRC test failed"); if (stun_agent_validate (&agent, &msg, bad_crc_offset, sizeof(bad_crc_offset), NULL, NULL) != STUN_VALIDATION_BAD_REQUEST) fatal ("Bad CRC offset test failed"); if (stun_agent_validate (&agent, &msg, fpr_resp, sizeof(fpr_resp), NULL, NULL) != STUN_VALIDATION_UNMATCHED_RESPONSE) fatal ("Good CRC test failed"); if (stun_message_get_class (&msg) != 3) fatal ("Class test failed"); if (stun_message_get_method (&msg) != 0x525) fatal ("Method test failed"); } bool test_attribute_validater (StunAgent *agent, StunMessage *message, uint8_t *username, uint16_t username_len, uint8_t **password, size_t *password_len, void *user_data) { char *pwd = (char *) user_data; if (username_len != 4 || memcmp (username, "ABCD", 4) != 0) return false; *password = pwd; *password_len = strlen (pwd); return true; } /* Tests for message attribute parsing */ static void test_attribute (void) { static const uint8_t acme[] = {0x04, 0x55, 0x00, 0x6C, // <-- update message length if needed!! 0x21, 0x12, 0xA4, 0x42, // cookie 0x76, 0x54, 0x32, 0x10, 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10, /* FF01: empty */ 0xff, 0x01, 0x00, 0x00, /* FF02: address of unknown family, 32-bits */ 0xff, 0x02, 0x00, 0x04, 0x41, 0x42, 0x43, 0x44, /* FF03: too short IPv6 address */ 0xff, 0x03, 0x00, 0x06, 0x00, 0x02, 0x12, 0x34, 0x20, 0x01, 0x0d, 0xb8, /* FF04: valid IPv4 address, 64-bits */ 0xff, 0x04, 0x00, 0x08, 0x00, 0x01, 0x12, 0x34, 0xc0, 0x00, 0x02, 0x01, /* FF05: too long IPv4 address */ 0xff, 0x05, 0x00, 0x0A, 0x00, 0x01, 0x12, 0x34, 0xc0, 0x00, 0x02, 0x01, 0x66, 0x60, 0x00, 0x00, /* FF06: valid xor'd IPv6 address, 160-bits */ 0xff, 0x06, 0x00, 0x14, 0x00, 0x02, 0x12, 0x34, 0x01, 0x13, 0xa9, 0xfa, 0xa8, 0xf9, 0x8c, 0xff, 0x20, 0x26, 0x74, 0x48, 0x8c, 0x9a, 0xec, 0xfd, /* dummy USERNAME header */ 0x00, 0x06, 0x00, 0x04, 0x41, 0x42, 0x43, 0x44, /* MESSAGE-INTEGRITY attribute */ 0x00, 0x08, 0x00, 0x14, 0x0b, 0xc4, 0xb2, 0x0c, 0x94, 0x58, 0xbb, 0x25, 0xa3, 0x22, 0x1a, 0xc8, 0xe1, 0x87, 0x32, 0x36, 0x3a, 0xfc, 0xe2, 0xc3}; union { struct sockaddr sa; struct sockaddr_in6 s6; } addr; socklen_t addrlen; uint32_t dword; uint64_t qword; char str[STUN_MAX_STR]; StunAgent agent; StunMessage msg; uint16_t known_attributes[] = {STUN_ATTRIBUTE_MESSAGE_INTEGRITY, STUN_ATTRIBUTE_USERNAME, 0}; printf ("Attribute test message length: %lu\n", sizeof (acme)); stun_agent_init (&agent, known_attributes, STUN_COMPATIBILITY_RFC5389, STUN_AGENT_USAGE_SHORT_TERM_CREDENTIALS); if (stun_agent_validate (&agent, &msg, acme, sizeof(acme), NULL, NULL) != STUN_VALIDATION_UNAUTHORIZED) fatal ("Unauthorized validation failed"); if (stun_agent_validate (&agent, &msg, acme, sizeof(acme), test_attribute_validater, "bad__guy") != STUN_VALIDATION_UNAUTHORIZED) fatal ("invalid password validation failed"); if (stun_agent_validate (&agent, &msg, acme, sizeof(acme), test_attribute_validater, "good_guy") != STUN_VALIDATION_SUCCESS) fatal ("good password validation failed"); if (stun_message_has_attribute (&msg, 0xff00)) fatal ("Absent attribute test failed"); if (!stun_message_has_attribute (&msg, 0xff01)) fatal ("Present attribute test failed"); if (stun_message_find_flag (&msg, 0xff00) != STUN_MESSAGE_RETURN_NOT_FOUND) fatal ("Absent flag test failed"); if (stun_message_find_flag (&msg, 0xff01) != STUN_MESSAGE_RETURN_SUCCESS) fatal ("Flag test failed"); if (stun_message_find_flag (&msg, 0xff02) != STUN_MESSAGE_RETURN_INVALID) fatal ("Too big flag test failed"); if (stun_message_find32 (&msg, 0xff00, &dword) != STUN_MESSAGE_RETURN_NOT_FOUND) fatal ("Absent dword test failed"); if (stun_message_find32 (&msg, 0xff01, &dword) != STUN_MESSAGE_RETURN_INVALID) fatal ("Bad dword test failed"); if (stun_message_find32 (&msg, 0xff02, &dword) != STUN_MESSAGE_RETURN_SUCCESS) fatal ("Double-word test failed"); if (stun_message_find64 (&msg, 0xff00, &qword) != STUN_MESSAGE_RETURN_NOT_FOUND) fatal ("Absent qword test failed"); if (stun_message_find64 (&msg, 0xff01, &qword) != STUN_MESSAGE_RETURN_INVALID) fatal ("Bad qword test failed"); if (stun_message_find64 (&msg, 0xff04, &qword) != STUN_MESSAGE_RETURN_SUCCESS) fatal ("Quad-word test failed"); if (stun_message_find_string (&msg, 0xff00, str, STUN_MAX_CP) != STUN_MESSAGE_RETURN_NOT_FOUND) fatal ("Absent string test failed"); if ((stun_message_find_string (&msg, 0xff02, str, STUN_MAX_CP) != STUN_MESSAGE_RETURN_SUCCESS) || strcmp (str, "ABCD")) fatal ("String test failed"); addrlen = sizeof (addr); if (stun_message_find_addr (&msg, 0xff01, &addr.sa, &addrlen) != STUN_MESSAGE_RETURN_INVALID) fatal ("Too short addres test failed"); addrlen = sizeof (addr); if (stun_message_find_addr (&msg, 0xff02, &addr.sa, &addrlen) != STUN_MESSAGE_RETURN_UNSUPPORTED_ADDRESS) fatal ("Unknown address family test failed"); addrlen = sizeof (addr); if (stun_message_find_addr (&msg, 0xff03, &addr.sa, &addrlen) != STUN_MESSAGE_RETURN_INVALID) fatal ("Too short IPv6 address test failed"); addrlen = sizeof (addr); if (stun_message_find_addr (&msg, 0xff04, &addr.sa, &addrlen) != STUN_MESSAGE_RETURN_SUCCESS) fatal ("IPv4 address test failed"); addrlen = sizeof (addr); if (stun_message_find_addr (&msg, 0xff05, &addr.sa, &addrlen) != STUN_MESSAGE_RETURN_INVALID) fatal ("Too big IPv4 address test failed"); addrlen = sizeof (addr); if (stun_message_find_xor_addr (&msg, 0xff06, &addr.sa, &addrlen) != STUN_MESSAGE_RETURN_SUCCESS || memcmp (&addr.s6.sin6_addr, "\x20\x01\x0d\xb8""\xde\xad\xbe\xef" "\xde\xfa\xce\xd0""\xfa\xce\xde\xed", 16)) fatal ("IPv6 address test failed"); } static const char vector_username[] = "evtj:h6vY"; static const char vector_password[] = "VOkJxbRl1RmTxUk/WvJxBt"; bool test_vector_validater (StunAgent *agent, StunMessage *message, uint8_t *username, uint16_t username_len, uint8_t **password, size_t *password_len, void *user_data) { intptr_t callable = (intptr_t) user_data; if (!callable) fatal ("vector test : Validater should not be called!"); if (username_len != strlen (vector_username) || memcmp (username, vector_username, strlen (vector_username)) != 0) fatal ("vector test : Validater received wrong username!"); *password = (uint8_t *) vector_password; *password_len = strlen (vector_password); return true; } static void test_vectors (void) { /* Request message */ static unsigned char req[] = {0x00, 0x01, 0x00, 0x44, 0x21, 0x12, 0xa4, 0x42, 0xb7, 0xe7, 0xa7, 0x01, 0xbc, 0x34, 0xd6, 0x86, 0xfa, 0x87, 0xdf, 0xae, 0x00, 0x24, 0x00, 0x04, // PRIORITY 0x6e, 0x00, 0x01, 0xff, 0x80, 0x29, 0x00, 0x08, // ICE_CONTROLLED 0x93, 0x2f, 0xf9, 0xb1, 0x51, 0x26, 0x3b, 0x36, 0x00, 0x06, 0x00, 0x09, // USERNAME 0x65, 0x76, 0x74, 0x6a, 0x3a, 0x68, 0x36, 0x76, 0x59, 0x20, 0x20, 0x20, 0x00, 0x08, 0x00, 0x14, // MESSAGE_INTEGRITY 0x62, 0x4e, 0xeb, 0xdc, 0x3c, 0xc9, 0x2d, 0xd8, 0x4b, 0x74, 0xbf, 0x85, 0xd1, 0xc0, 0xf5, 0xde, 0x36, 0x87, 0xbd, 0x33, 0x80, 0x28, 0x00, 0x04, // FINGERPRINT 0xad, 0x8a, 0x85, 0xff}; static const unsigned char req2[] = {0x00, 0x01, 0x00, 0x44, 0x21, 0x12, 0xa4, 0x42, 0xb7, 0xe7, 0xa7, 0x01, 0xbc, 0x34, 0xd6, 0x86, 0xfa, 0x87, 0xdf, 0xae, 0x00, 0x24, 0x00, 0x04, // PRIORITY 0x6e, 0x00, 0x01, 0xff, 0x80, 0x29, 0x00, 0x08, // ICE_CONTROLLED 0x93, 0x2f, 0xf9, 0xb1, 0x51, 0x26, 0x3b, 0x36, 0x00, 0x06, 0x00, 0x09, // USERNAME 0x65, 0x76, 0x74, 0x6a, 0x3a, 0x68, 0x36, 0x76, 0x59, 0x20, 0x20, 0x20, 0x00, 0x08, 0x00, 0x14, // MESSAGE_INTEGRITY 0x62, 0x4e, 0xeb, 0xdc, 0x3c, 0xc9, 0x2d, 0xd8, 0x4b, 0x74, 0xbf, 0x85, 0xd1, 0xc0, 0xf5, 0xde, 0x36, 0x87, 0xbd, 0x33, 0x80, 0x28, 0x00, 0x04, // FINGERPRINT 0xad, 0x8a, 0x85, 0xff}; /* Response message */ static const unsigned char respv4[] = {0x01, 0x01, 0x00, 0x4c, 0x21, 0x12, 0xa4, 0x42, 0xb7, 0xe7, 0xa7, 0x01, 0xbc, 0x34, 0xd6, 0x86, 0xfa, 0x87, 0xdf, 0xae, 0x80, 0x22, 0x00, 0x0b, // SERVER 0x74, 0x65, 0x73, 0x74, 0x20, 0x76, 0x65, 0x63, 0x74, 0x6f, 0x72, 0x20, 0x00, 0x20, 0x00, 0x08, // XOR_MAPPED_ADDRESS 0x00, 0x01, 0xa1, 0x47, 0xe1, 0x12, 0xa6, 0x43, 0x00, 0x06, 0x00, 0x09, // USERNAME 0x65, 0x76, 0x74, 0x6a, 0x3a, 0x68, 0x36, 0x76, 0x59, 0x20, 0x20, 0x20, 0x00, 0x08, 0x00, 0x14, // MESSAGE_INTEGRITY 0x7d, 0xb7, 0xfc, 0x52, 0x70, 0xc6, 0xdb, 0x1f, 0xc3, 0x26, 0x34, 0xbb, 0x4c, 0x64, 0x6e, 0xe7, 0x1d, 0xb3, 0x78, 0x4a, 0x80, 0x28, 0x00, 0x04, // FINGERPRINT 0xf0, 0x60, 0x66, 0xa9}; static const unsigned char respv6[] = {0x01, 0x01, 0x00, 0x58, 0x21, 0x12, 0xa4, 0x42, 0xb7, 0xe7, 0xa7, 0x01, 0xbc, 0x34, 0xd6, 0x86, 0xfa, 0x87, 0xdf, 0xae, 0x80, 0x22, 0x00, 0x0b, // SERVER 0x74, 0x65, 0x73, 0x74, 0x20, 0x76, 0x65, 0x63, 0x74, 0x6f, 0x72, 0x20, 0x00, 0x20, 0x00, 0x14, // XOR_MAPPED_ADDRESS 0x00, 0x02, 0xa1, 0x47, 0x01, 0x13, 0xa9, 0xfa, 0xa5, 0xd3, 0xf1, 0x79, 0xbc, 0x25, 0xf4, 0xb5, 0xbe, 0xd2, 0xb9, 0xd9, 0x00, 0x06, 0x00, 0x09, // USERNAME 0x65, 0x76, 0x74, 0x6a, 0x3a, 0x68, 0x36, 0x76, 0x59, 0x20, 0x20, 0x20, 0x00, 0x08, 0x00, 0x14, // MESSAGE_INTEGRITY 0x21, 0xcb, 0xbd, 0x25, 0x1a, 0x8c, 0x4c, 0x38, 0x8c, 0xc5, 0xcd, 0xb3, 0x27, 0x6a, 0xf5, 0x61, 0xb2, 0x21, 0xc8, 0x2b, 0x80, 0x28, 0x00, 0x04, // FINGERPRINT 0xec, 0x27, 0xae, 0xb7}; struct sockaddr_in ip4; struct sockaddr_in6 ip6; socklen_t addrlen; StunAgent agent; StunMessage msg; StunMessage msg2; uint16_t known_attributes[] = { STUN_ATTRIBUTE_MESSAGE_INTEGRITY, STUN_ATTRIBUTE_USERNAME, STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS, STUN_ATTRIBUTE_PRIORITY, 0}; stun_agent_init (&agent, known_attributes, STUN_COMPATIBILITY_RFC5389, STUN_AGENT_USAGE_SHORT_TERM_CREDENTIALS | STUN_AGENT_USAGE_USE_FINGERPRINT); memset (&ip4, 0, sizeof (ip4)); memset (&ip6, 0, sizeof (ip6)); puts ("Checking test vectors..."); if (stun_agent_validate (&agent, &msg2, req2, sizeof(req2), test_vector_validater, (void *) 1) != STUN_VALIDATION_SUCCESS) fatal ("Request test vector authentication failed"); if (stun_agent_validate (&agent, &msg, req, sizeof(req), test_vector_validater, (void *) 1) != STUN_VALIDATION_SUCCESS) fatal ("Request test vector authentication failed"); /* Remove the message-integrity and fingerprint attributes */ req[3] = 0x24; if (stun_message_length (&msg) != sizeof(req) - 32) fatal ("vector test: removing attributes failed"); stun_agent_finish_message (&agent, &msg, vector_password, strlen (vector_password)); if (stun_message_length (&msg) != stun_message_length (&msg2) || memcmp (req, req2, sizeof(req)) != 0) fatal ("vector test : req and req2 are different"); if (stun_agent_validate (&agent, &msg, respv4, sizeof(respv4), test_vector_validater, (void *) 0) != STUN_VALIDATION_SUCCESS) fatal ("Response ipv4 test vector authentication failed"); if (stun_agent_validate (&agent, &msg, respv4, sizeof(respv4), test_vector_validater, (void *) 0) != STUN_VALIDATION_UNMATCHED_RESPONSE) fatal ("Response ipv4 test vector authentication failed"); addrlen = sizeof (ip4); if (stun_message_find_xor_addr (&msg, STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS, (struct sockaddr *)&ip4, &addrlen) != STUN_MESSAGE_RETURN_SUCCESS) fatal ("Response test vector IPv4 extraction failed"); if (ip4.sin_family != AF_INET) fatal ("Response test vector IPv4 family failed"); if (ntohl (ip4.sin_addr.s_addr) != 0xC0000201) fatal ("Response test vector IPv4 address failed"); if (ntohs (ip4.sin_port) != 32853) fatal ("Response test vector IPv6 port failed"); if (stun_agent_validate (&agent, &msg, req, sizeof(req), test_vector_validater, (void *) 1) != STUN_VALIDATION_SUCCESS) fatal ("Request test vector second authentication failed"); /* Remove the fingerprint attributes */ msg.key = NULL; msg.key_len = 0; req[3] = 0x3C; if (stun_message_length (&msg) != sizeof(req) - 8) fatal ("vector test: removing attributes failed"); stun_agent_finish_message (&agent, &msg, NULL, 0); if (stun_message_length (&msg) != stun_message_length (&msg2) || memcmp (req, req2, sizeof(req)) != 0) fatal ("vector test : req and req2 are different"); if (stun_agent_validate (&agent, &msg, respv6, sizeof(respv6), test_vector_validater, (void *) 1) != STUN_VALIDATION_SUCCESS) fatal ("Response ipv6 test vector authentication failed"); addrlen = sizeof (ip6); if (stun_message_find_xor_addr (&msg, STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS, (struct sockaddr *)&ip6, &addrlen) != STUN_MESSAGE_RETURN_SUCCESS) fatal ("Response test vector IPv6 extraction failed"); if (ip6.sin6_family != AF_INET6) fatal ("Response test vector IPv6 family failed"); if (memcmp (ip6.sin6_addr.s6_addr, "\x20\x01\x0d\xb8\x12\x34\x56\x78" "\x00\x11\x22\x33\x44\x55\x66\x77", 16) != 0) fatal ("Response test vector IPv6 address failed"); if (ntohs (ip6.sin6_port) != 32853) fatal ("Response test vector IPv6 port failed"); puts ("Done."); } static void test_hash_creds (void) { uint8_t md5[16]; uint8_t real_md5[] = { 0x84, 0x93, 0xfb, 0xc5, 0x3b, 0xa5, 0x82, 0xfb, 0x4c, 0x04, 0x4c, 0x45, 0x6b, 0xdc, 0x40, 0xeb}; puts ("Testing long term credentials hash algorithm..."); stun_hash_creds ("realm", strlen ("realm"), "user", strlen ("user"), "pass", strlen ("pass"), md5); stun_debug ("key for user:realm:pass is : "); stun_debug_bytes (md5, 16); stun_debug ("\n\n"); stun_debug ("RFC key for user:realm:pass is : "); stun_debug_bytes (real_md5, 16); stun_debug ("\n\n"); if(memcmp (md5, real_md5, sizeof(md5)) != 0) fatal ("MD5 hashes are different!"); puts ("Done!"); } int main (void) { test_message (); test_attribute (); test_vectors (); test_hash_creds (); return 0; } libnice-0.1.4/stun/tests/test-bind.c0000664000175000017500000003037611725267616014262 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2007 Nokia Corporation. All rights reserved. * Contact: Rémi Denis-Courmont * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Rémi Denis-Courmont, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include #endif #include #include "stun/stunagent.h" #include "stun/usages/bind.h" #include #include #include #ifdef _WIN32 #include #include #define MSG_DONTWAIT 0 #define MSG_NOSIGNAL 0 #define alarm(...) #define close closesocket #else #include #include #include #include #include #endif #undef NDEBUG /* ensure assertions are built-in */ #include static int listen_dgram (void) { struct addrinfo hints, *res; const struct addrinfo *ptr; int val = -1; memset (&hints, 0, sizeof (hints)); hints.ai_socktype = SOCK_DGRAM; if (getaddrinfo (NULL, "0", &hints, &res)) return -1; for (ptr = res; ptr != NULL; ptr = ptr->ai_next) { int fd = socket (ptr->ai_family, ptr->ai_socktype, ptr->ai_protocol); if (fd == -1) continue; if (bind (fd, ptr->ai_addr, ptr->ai_addrlen)) { close (fd); continue; } val = fd; break; } freeaddrinfo (res); return val; } /** Incorrect socket family test */ static void bad_family (void) { struct sockaddr addr, dummy; int val; socklen_t dummylen = sizeof(dummy); memset (&addr, 0, sizeof (addr)); addr.sa_family = AF_UNSPEC; #ifdef HAVE_SA_LEN addr.sa_len = sizeof (addr); #endif val = stun_usage_bind_run (&addr, sizeof (addr), &dummy, &dummylen); assert (val != 0); } /** Too small socket address test */ static void small_srv_addr (void) { struct sockaddr addr, dummy; int val; socklen_t dummylen = sizeof(dummy); memset (&addr, 0, sizeof (addr)); addr.sa_family = AF_INET; #ifdef HAVE_SA_LEN addr.sa_len = sizeof (addr); #endif val = stun_usage_bind_run (&addr, 1, &dummy, &dummylen); assert (val == STUN_USAGE_BIND_RETURN_ERROR); } /** Too big socket address test */ static void big_srv_addr (void) { uint8_t buf[sizeof (struct sockaddr_storage) + 16]; struct sockaddr dummy; int val; socklen_t dummylen = sizeof(dummy); memset (buf, 0, sizeof (buf)); val = stun_usage_bind_run ((struct sockaddr *)buf, sizeof (buf), &dummy, &dummylen); assert (val == STUN_USAGE_BIND_RETURN_ERROR); } /** Timeout test */ static void timeout (void) { struct sockaddr_storage srv; struct sockaddr dummy; socklen_t srvlen = sizeof (srv); socklen_t dummylen = sizeof(dummy); int val; /* Allocate a local UDP port, so we are 100% sure nobody responds there */ int servfd = listen_dgram (); assert (servfd != -1); val = getsockname (servfd, (struct sockaddr *)&srv, &srvlen); assert (val == 0); val = stun_usage_bind_run ((struct sockaddr *)&srv, srvlen, &dummy, &dummylen); assert (val == STUN_USAGE_BIND_RETURN_TIMEOUT); close (servfd); } /** Malformed responses test */ static void bad_responses (void) { struct sockaddr_storage addr; socklen_t addrlen = sizeof (addr); ssize_t val, len; uint8_t buf[STUN_MAX_MESSAGE_SIZE]; uint8_t req[STUN_MAX_MESSAGE_SIZE]; size_t req_len; StunAgent agent; StunMessage msg; StunMessage req_msg; int servfd, fd; uint16_t known_attributes[] = { STUN_ATTRIBUTE_MAPPED_ADDRESS, STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS, STUN_ATTRIBUTE_PRIORITY, STUN_ATTRIBUTE_USERNAME, STUN_ATTRIBUTE_MESSAGE_INTEGRITY, STUN_ATTRIBUTE_ERROR_CODE, 0}; stun_agent_init (&agent, known_attributes, STUN_COMPATIBILITY_RFC5389, 0); /* Allocate a local UDP port */ servfd = listen_dgram (); assert (servfd != -1); val = getsockname (servfd, (struct sockaddr *)&addr, &addrlen); assert (val == 0); fd = socket (addr.ss_family, SOCK_DGRAM, 0); assert (fd != -1); req_len = stun_usage_bind_create (&agent, &req_msg, req, sizeof(req)); assert (req_len > 0); val = sendto (fd, req, req_len, MSG_DONTWAIT | MSG_NOSIGNAL, (struct sockaddr *)&addr, addrlen); assert (val >= 0); /* Send to/receive from our client instance only */ val = getsockname (fd, (struct sockaddr *)&addr, &addrlen); assert (val == 0); /* Send request instead of response */ val = getsockname (servfd, (struct sockaddr *)&addr, &addrlen); assert (val == 0); len = recvfrom (servfd, buf, 1000, MSG_DONTWAIT, NULL, 0); assert (len >= 20); assert (stun_agent_validate (&agent, &msg, buf, len, NULL, NULL) == STUN_VALIDATION_SUCCESS); val = stun_usage_bind_process (&msg, (struct sockaddr *)&addr, &addrlen, (struct sockaddr *)&addr, &addrlen); assert (val == STUN_USAGE_BIND_RETURN_INVALID); /* Send response with wrong request type */ buf[0] |= 0x03; buf[0] ^= 0x02; /* Send error response without ERROR-CODE */ buf[1] |= 0x10; val = stun_usage_bind_process (&msg, (struct sockaddr *)&addr, &addrlen, (struct sockaddr *)&addr, &addrlen); assert (val == STUN_USAGE_BIND_RETURN_INVALID); close (fd); close (servfd); } /** Various responses test */ static void responses (void) { struct sockaddr_storage addr; socklen_t addrlen = sizeof (addr); ssize_t val; size_t len; int servfd, fd; uint8_t buf[STUN_MAX_MESSAGE_SIZE]; uint8_t req[STUN_MAX_MESSAGE_SIZE]; size_t req_len; StunAgent agent; StunMessage msg; StunMessage req_msg; uint16_t known_attributes[] = { STUN_ATTRIBUTE_MAPPED_ADDRESS, STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS, STUN_ATTRIBUTE_PRIORITY, STUN_ATTRIBUTE_USERNAME, STUN_ATTRIBUTE_MESSAGE_INTEGRITY, STUN_ATTRIBUTE_ERROR_CODE, 0}; stun_agent_init (&agent, known_attributes, STUN_COMPATIBILITY_RFC5389, 0); /* Allocate a local UDP port for server */ servfd = listen_dgram (); assert (servfd != -1); val = getsockname (servfd, (struct sockaddr *)&addr, &addrlen); assert (val == 0); /* Allocate a client socket and connect to server */ fd = socket (addr.ss_family, SOCK_DGRAM, 0); assert (fd != -1); /* Send error response */ req_len = stun_usage_bind_create (&agent, &req_msg, req, sizeof(req)); assert (req_len > 0); val = getsockname (servfd, (struct sockaddr *)&addr, &addrlen); assert (val == 0); val = sendto (fd, req, req_len, MSG_DONTWAIT | MSG_NOSIGNAL, (struct sockaddr *)&addr, addrlen); assert (val >= 0); val = recvfrom (servfd, buf, 1000, MSG_DONTWAIT, NULL, 0); assert (val >= 0); assert (stun_agent_validate (&agent, &msg, buf, val, NULL, NULL) == STUN_VALIDATION_SUCCESS); stun_agent_init_error (&agent, &msg, buf, sizeof (buf), &msg, STUN_ERROR_SERVER_ERROR); len = stun_agent_finish_message (&agent, &msg, NULL, 0); assert (len > 0); val = getsockname (servfd, (struct sockaddr *)&addr, &addrlen); assert (val == 0); val = stun_usage_bind_process (&msg, (struct sockaddr *)&addr, &addrlen, (struct sockaddr *)&addr, &addrlen); assert (val == STUN_USAGE_BIND_RETURN_ERROR); /* Send response with a no mapped address at all */ req_len = stun_usage_bind_create (&agent, &req_msg, req, sizeof(req)); assert (req_len > 0); val = getsockname (servfd, (struct sockaddr *)&addr, &addrlen); assert (val == 0); val = sendto (fd, req, req_len, MSG_DONTWAIT | MSG_NOSIGNAL, (struct sockaddr *)&addr, addrlen); assert (val >= 0); val = recvfrom (servfd, buf, 1000, MSG_DONTWAIT, NULL, 0); assert (val >= 0); assert (stun_agent_validate (&agent, &msg, buf, val, NULL, NULL) == STUN_VALIDATION_SUCCESS); stun_agent_init_response (&agent, &msg, buf, sizeof (buf), &msg); len = stun_agent_finish_message (&agent, &msg, NULL, 0); assert (len > 0); assert (stun_agent_validate (&agent, &msg, buf, len, NULL, NULL) == STUN_VALIDATION_SUCCESS); val = getsockname (servfd, (struct sockaddr *)&addr, &addrlen); assert (val == 0); val = stun_usage_bind_process (&msg, (struct sockaddr *)&addr, &addrlen, (struct sockaddr *)&addr, &addrlen); assert (val == STUN_USAGE_BIND_RETURN_ERROR); /* Send old-style response */ req_len = stun_usage_bind_create (&agent, &req_msg, req, sizeof(req)); assert (req_len > 0); val = getsockname (servfd, (struct sockaddr *)&addr, &addrlen); assert (val == 0); val = sendto (fd, req, req_len, MSG_DONTWAIT | MSG_NOSIGNAL, (struct sockaddr *)&addr, addrlen); assert (val >= 0); val = recvfrom (servfd, buf, 1000, MSG_DONTWAIT, NULL, 0); assert (val >= 0); assert (stun_agent_validate (&agent, &msg, buf, val, NULL, NULL) == STUN_VALIDATION_SUCCESS); stun_agent_init_response (&agent, &msg, buf, sizeof (buf), &msg); assert (stun_message_append_addr (&msg, STUN_ATTRIBUTE_MAPPED_ADDRESS, (struct sockaddr *)&addr, addrlen) == STUN_MESSAGE_RETURN_SUCCESS); len = stun_agent_finish_message (&agent, &msg, NULL, 0); assert (len > 0); assert (stun_agent_validate (&agent, &msg, buf, len, NULL, NULL) == STUN_VALIDATION_SUCCESS); val = getsockname (servfd, (struct sockaddr *)&addr, &addrlen); assert (val == 0); val = stun_usage_bind_process (&msg, (struct sockaddr *)&addr, &addrlen, (struct sockaddr *)&addr, &addrlen); assert (val == STUN_USAGE_BIND_RETURN_SUCCESS); /* End */ close (servfd); val = close (fd); assert (val == 0); } static void keepalive (void) { struct sockaddr_storage addr = {0}; socklen_t addrlen = sizeof (addr); int val, servfd, fd; uint8_t buf[STUN_MAX_MESSAGE_SIZE]; size_t len; StunAgent agent; StunMessage msg; uint16_t known_attributes[] = { STUN_ATTRIBUTE_MAPPED_ADDRESS, STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS, STUN_ATTRIBUTE_PRIORITY, STUN_ATTRIBUTE_USERNAME, STUN_ATTRIBUTE_MESSAGE_INTEGRITY, STUN_ATTRIBUTE_ERROR_CODE, 0}; stun_agent_init (&agent, known_attributes, STUN_COMPATIBILITY_RFC5389, 0); /* Allocate a local UDP port for server */ servfd = listen_dgram (); assert (servfd != -1); val = getsockname (servfd, (struct sockaddr *)&addr, &addrlen); assert (val == 0); /* Allocate a client socket and connect to server */ fd = socket (addr.ss_family, SOCK_DGRAM, 0); assert (fd != -1); /* Keep alive sending smoke test */ len = stun_usage_bind_keepalive (&agent, &msg, buf, sizeof(buf)); assert (len == 20); val = sendto (fd, buf, len, MSG_DONTWAIT | MSG_NOSIGNAL, (struct sockaddr *)&addr, addrlen); assert (val >= 0); /* End */ close (servfd); val = close (fd); assert (val == 0); } static void test (void (*func) (void), const char *name) { alarm (20); printf ("%s test... 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2007 Nokia Corporation. All rights reserved. * Contact: Rémi Denis-Courmont * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Rémi Denis-Courmont, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include #endif #include #include "stun/stunagent.h" #include "stun/usages/ice.h" #include #include #include #include #ifdef _WIN32 #include #include #define MSG_DONTWAIT 0 #define MSG_NOSIGNAL 0 #define alarm(...) #else #include #include #include #include #include #endif #undef NDEBUG /* ensure assertions are built-in */ #include int main (void) { struct sockaddr_in ip4; uint8_t req_buf[STUN_MAX_MESSAGE_SIZE]; uint8_t resp_buf[STUN_MAX_MESSAGE_SIZE]; const uint64_t tie = 0x8000000000000000LL; StunMessageReturn val; StunUsageIceReturn val2; size_t len; size_t rlen; static char username[] = "L:R", ufrag[] = "L", pass[] = "secret"; int code; uint16_t alen; bool control = false; StunAgent agent; StunMessage req; StunMessage resp; StunDefaultValidaterData validater_data[] = { {ufrag, strlen (ufrag), pass, strlen (pass)}, {username, strlen (username), pass, strlen (pass)}, {NULL, 0, NULL, 0}}; StunValidationStatus valid; stun_agent_init (&agent, STUN_ALL_KNOWN_ATTRIBUTES, STUN_COMPATIBILITY_RFC5389, STUN_AGENT_USAGE_USE_FINGERPRINT | STUN_AGENT_USAGE_SHORT_TERM_CREDENTIALS); memset (&ip4, 0, sizeof (ip4)); ip4.sin_family = AF_INET; #ifdef HAVE_SA_LEN ip4.sin_len = sizeof (addr); #endif ip4.sin_port = htons (12345); ip4.sin_addr.s_addr = htonl (0x7f000001); /* Incorrect message class */ assert (stun_agent_init_request (&agent, &req, req_buf, sizeof(req_buf), STUN_BINDING)); assert (stun_agent_init_response (&agent, &req, req_buf, sizeof (req_buf), &req)); rlen = stun_agent_finish_message (&agent, &req, NULL, 0); assert (rlen > 0); len = sizeof (resp_buf); val2 = stun_usage_ice_conncheck_create_reply (&agent, &req, &resp, resp_buf, &len, (struct sockaddr *)&ip4, sizeof (ip4), &control, tie, STUN_USAGE_ICE_COMPATIBILITY_RFC5245); assert (val2 == STUN_USAGE_ICE_RETURN_INVALID_REQUEST); assert (len == 0); /* Incorrect message method */ assert (stun_agent_init_request (&agent, &req, req_buf, sizeof(req_buf), 0x666)); val = stun_message_append_string (&req, STUN_ATTRIBUTE_USERNAME, username); assert (val == STUN_MESSAGE_RETURN_SUCCESS); rlen = stun_agent_finish_message (&agent, &req, pass, strlen (pass)); assert (rlen > 0); len = sizeof (resp_buf); val2 = stun_usage_ice_conncheck_create_reply (&agent, &req, &resp, resp_buf, &len, (struct sockaddr *)&ip4, sizeof (ip4), &control, tie, STUN_USAGE_ICE_COMPATIBILITY_RFC5245); assert (val2 == STUN_USAGE_ICE_RETURN_INVALID_METHOD); assert (len > 0); /* Unknown attribute */ assert (stun_agent_init_request (&agent, &req, req_buf, sizeof(req_buf), STUN_BINDING)); val = stun_message_append_string (&req, 0x666, "The evil unknown attribute!"); assert (val == STUN_MESSAGE_RETURN_SUCCESS); val = stun_message_append_string (&req, STUN_ATTRIBUTE_USERNAME, username); assert (val == STUN_MESSAGE_RETURN_SUCCESS); rlen = stun_agent_finish_message (&agent, &req, pass, strlen (pass)); assert (rlen > 0); valid = stun_agent_validate (&agent, &req, req_buf, rlen, stun_agent_default_validater, validater_data); assert (valid == STUN_VALIDATION_UNKNOWN_REQUEST_ATTRIBUTE); /* Unauthenticated message */ assert (stun_agent_init_request (&agent, &req, req_buf, sizeof(req_buf), STUN_BINDING)); rlen = stun_agent_finish_message (&agent, &req, NULL, 0); assert (rlen > 0); valid = stun_agent_validate (&agent, &req, req_buf, rlen, stun_agent_default_validater, validater_data); assert (valid == STUN_VALIDATION_UNAUTHORIZED_BAD_REQUEST); /* No username */ assert (stun_agent_init_request (&agent, &req, req_buf, sizeof(req_buf), STUN_BINDING)); rlen = stun_agent_finish_message (&agent, &req, pass, strlen (pass)); assert (rlen > 0); valid = stun_agent_validate (&agent, &req, req_buf, rlen, stun_agent_default_validater, validater_data); assert (valid == STUN_VALIDATION_UNAUTHORIZED_BAD_REQUEST); assert (stun_usage_ice_conncheck_priority (&req) == 0); assert (stun_usage_ice_conncheck_use_candidate (&req) == false); /* Good message */ assert (stun_agent_init_request (&agent, &req, req_buf, sizeof(req_buf), STUN_BINDING)); val = stun_message_append32 (&req, STUN_ATTRIBUTE_PRIORITY, 0x12345678); assert (val == STUN_MESSAGE_RETURN_SUCCESS); val = stun_message_append_flag (&req, STUN_ATTRIBUTE_USE_CANDIDATE); assert (val == STUN_MESSAGE_RETURN_SUCCESS); val = stun_message_append_string (&req, STUN_ATTRIBUTE_USERNAME, ufrag); assert (val == STUN_MESSAGE_RETURN_SUCCESS); rlen = stun_agent_finish_message (&agent, &req, pass, strlen (pass)); assert (rlen > 0); len = sizeof (resp_buf); val2 = stun_usage_ice_conncheck_create_reply (&agent, &req, &resp, resp_buf, &len, (struct sockaddr *)&ip4, sizeof (ip4), &control, tie, STUN_USAGE_ICE_COMPATIBILITY_RFC5245); assert (val == STUN_USAGE_ICE_RETURN_SUCCESS); assert (len > 0); assert (stun_agent_validate (&agent, &resp, resp_buf, len, stun_agent_default_validater, validater_data) == STUN_VALIDATION_SUCCESS); assert (stun_message_get_class (&resp) == STUN_RESPONSE); assert (stun_usage_ice_conncheck_priority (&req) == 0x12345678); assert (stun_usage_ice_conncheck_use_candidate (&req) == true); /* Invalid socket address */ assert (stun_agent_init_request (&agent, &req, req_buf, sizeof(req_buf), STUN_BINDING)); val = stun_message_append_string (&req, STUN_ATTRIBUTE_USERNAME, ufrag); assert (val == STUN_MESSAGE_RETURN_SUCCESS); rlen = stun_agent_finish_message (&agent, &req, pass, strlen (pass)); assert (rlen > 0); ip4.sin_family = AF_UNSPEC; len = sizeof (resp_buf); val2 = stun_usage_ice_conncheck_create_reply (&agent, &req, &resp, resp_buf, &len, (struct sockaddr *)&ip4, sizeof (ip4), &control, tie, STUN_USAGE_ICE_COMPATIBILITY_RFC5245); assert (val2 == STUN_USAGE_ICE_RETURN_INVALID_ADDRESS); assert (len == 0); ip4.sin_family = AF_INET; /* Lost role conflict */ assert (stun_agent_init_request (&agent, &req, req_buf, sizeof(req_buf), STUN_BINDING)); val = stun_message_append64 (&req, STUN_ATTRIBUTE_ICE_CONTROLLING, tie + 1); assert (val == STUN_MESSAGE_RETURN_SUCCESS); val = stun_message_append_string (&req, STUN_ATTRIBUTE_USERNAME, ufrag); assert (val == STUN_MESSAGE_RETURN_SUCCESS); rlen = stun_agent_finish_message (&agent, &req, pass, strlen (pass)); assert (rlen > 0); len = sizeof (resp_buf); control = true; val2 = stun_usage_ice_conncheck_create_reply (&agent, &req, &resp, resp_buf, &len, (struct sockaddr *)&ip4, sizeof (ip4), &control, tie, STUN_USAGE_ICE_COMPATIBILITY_RFC5245); assert (val2 == STUN_USAGE_ICE_RETURN_ROLE_CONFLICT); assert (len > 0); assert (control == false); assert (stun_agent_validate (&agent, &resp, resp_buf, len, stun_agent_default_validater, validater_data) == STUN_VALIDATION_SUCCESS); assert (stun_message_get_class (&resp) == STUN_RESPONSE); /* Won role conflict */ assert (stun_agent_init_request (&agent, &req, req_buf, sizeof(req_buf), STUN_BINDING)); val = stun_message_append64 (&req, STUN_ATTRIBUTE_ICE_CONTROLLED, tie - 1); assert (val == STUN_MESSAGE_RETURN_SUCCESS); val = stun_message_append_string (&req, STUN_ATTRIBUTE_USERNAME, ufrag); assert (val == STUN_MESSAGE_RETURN_SUCCESS); rlen = stun_agent_finish_message (&agent, &req, pass, strlen (pass)); assert (rlen > 0); len = sizeof (resp_buf); control = false; val2 = stun_usage_ice_conncheck_create_reply (&agent, &req, &resp, resp_buf, &len, (struct sockaddr *)&ip4, sizeof (ip4), &control, tie, STUN_USAGE_ICE_COMPATIBILITY_RFC5245); assert (val2 == STUN_USAGE_ICE_RETURN_SUCCESS); assert (len > 0); assert (control == false); assert (stun_agent_validate (&agent, &resp, resp_buf, len, stun_agent_default_validater, validater_data) == STUN_VALIDATION_SUCCESS); assert (stun_message_get_class (&resp) == STUN_ERROR); stun_message_find_error (&resp, &code); assert (code == STUN_ERROR_ROLE_CONFLICT); return 0; } libnice-0.1.4/stun/tests/test-hmac.c0000644000175000017500000001044111241364464014233 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2007 Nokia Corporation. All rights reserved. * Contact: Rémi Denis-Courmont * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Rémi Denis-Courmont, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include #endif #include "stun/sha1.h" #include "stun/md5.h" #include #include #include #include void print_bytes (uint8_t *bytes, int len) { int i; printf ("0x"); for (i = 0; i < len; i++) printf ("%02x", bytes[i]); printf ("\n"); } void test_sha1 (uint8_t *str, uint8_t *expected) { SHA1_CTX ctx; uint8_t sha1[20]; SHA1Init(&ctx); SHA1Update(&ctx, str, strlen (str)); SHA1Final(sha1, &ctx); printf ("SHA1 of '%s' : ", str); print_bytes (sha1, SHA1_MAC_LEN); printf ("Expected : "); print_bytes (expected, SHA1_MAC_LEN); if (memcmp (sha1, expected, SHA1_MAC_LEN)) exit (1); } void test_hmac (uint8_t *key, uint8_t *str, uint8_t *expected) { uint8_t hmac[20]; hmac_sha1(key, strlen (key), str, strlen (str), hmac); printf ("HMAC of '%s' with key '%s' is : ", str, key); print_bytes (hmac, SHA1_MAC_LEN); printf ("Expected : "); print_bytes (expected, SHA1_MAC_LEN); if (memcmp (hmac, expected, SHA1_MAC_LEN)) exit (1); } void test_md5 (uint8_t *str, uint8_t *expected) { MD5_CTX ctx; uint8_t md5[20]; int i; MD5Init(&ctx); MD5Update(&ctx, str, strlen (str)); MD5Final(md5, &ctx); printf ("MD5 of '%s' : 0x", str); print_bytes (md5, MD5_MAC_LEN); printf ("Expected : "); print_bytes (expected, MD5_MAC_LEN); if (memcmp (md5, expected, MD5_MAC_LEN)) exit (1); } int main (void) { uint8_t hello_world_hmac[] = {0x8a, 0x3a, 0x84, 0xbc, 0xd0, 0xd0, 0x06, 0x5e, 0x97, 0xf1, 0x75, 0xd3, 0x70, 0x44, 0x7c, 0x7d, 0x02, 0xe0, 0x09, 0x73}; uint8_t abc_sha1[] = {0xa9, 0x99, 0x3e, 0x36, 0x47, 0x06, 0x81, 0x6a, 0xba, 0x3e, 0x25, 0x71, 0x78, 0x50, 0xc2, 0x6c, 0x9c, 0xd0, 0xd8, 0x9d}; uint8_t abcd_etc_sha1[] = {0x84, 0x98, 0x3e, 0x44, 0x1c, 0x3b, 0xd2, 0x6e, 0xba, 0xae, 0x4a, 0xa1, 0xf9, 0x51, 0x29, 0xe5, 0xe5, 0x46, 0x70, 0xf1}; uint8_t abc_md5[] = {0x90, 0x01, 0x50, 0x98, 0x3c, 0xd2, 0x4f, 0xb0, 0xd6, 0x96, 0x3f, 0x7d, 0x28, 0xe1, 0x7f, 0x72}; uint8_t abcd_etc_md5[] = {0x82, 0x15, 0xef, 0x07, 0x96, 0xa2, 0x0b, 0xca, 0xaa, 0xe1, 0x16, 0xd3, 0x87, 0x6c, 0x66, 0x4a}; test_hmac ("hello", "world", hello_world_hmac); test_sha1 ("abc", abc_sha1); test_md5 ("abc", abc_md5); test_sha1 ("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", abcd_etc_sha1); test_md5 ("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", abcd_etc_md5); return 0; } libnice-0.1.4/stun/tests/Makefile.am0000664000175000017500000000104311725267163014243 00000000000000# # Makefile.am for the Nice Glib ICE library # # (C) 2007 Nokia Corporation. All rights reserved. # # Licensed under MPL 1.1/LGPL 2.1. See file COPYING. include $(top_srcdir)/common.mk AM_CPPFLAGS = -I$(top_srcdir) AM_CFLAGS = -std=gnu99 LDADD = $(top_builddir)/stun/libstun.la check_PROGRAMS = \ test-parse \ test-format \ test-bind \ test-conncheck \ test-hmac if WINDOWS AM_CFLAGS += -DWINVER=0x0501 # _WIN32_WINNT_WINXP LDADD += -lws2_32 endif dist_check_SCRIPTS = check-bind.sh TESTS = $(check_PROGRAMS) #$(dist_check_SCRIPTS) libnice-0.1.4/stun/tests/test-format.c0000664000175000017500000002101411522161146014605 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2007 Nokia Corporation. All rights reserved. * Contact: Rémi Denis-Courmont * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Rémi Denis-Courmont, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include #endif #include #include "stun/stunagent.h" #include #include #include #include #include #ifdef _WIN32 #include #else #include #include #include #include #endif static void fatal (const char *msg, ...) { va_list ap; va_start (ap, msg); vfprintf (stderr, msg, ap); va_end (ap); fputc ('\n', stderr); exit (1); } static const char usr[] = "admin"; static const char pwd[] = "s3kr3t"; bool dynamic_check_validater (StunAgent *agent, StunMessage *message, uint8_t *username, uint16_t username_len, uint8_t **password, size_t *password_len, void *user_data) { if (username_len != strlen (usr) || memcmp (username, usr, strlen (usr)) != 0) fatal ("vector test : Validater received wrong username!"); *password = (uint8_t *) pwd; *password_len = strlen (pwd); return true; } static void dynamic_check (StunAgent *agent, StunMessage *msg, size_t len) { StunMessage msg2; if (stun_agent_validate (agent, &msg2, msg->buffer, len, dynamic_check_validater, NULL) != STUN_VALIDATION_SUCCESS) fatal ("Could not validate message"); printf ("Built message of %u bytes\n", (unsigned)len); } static size_t finish_check (StunAgent *agent, StunMessage *msg) { uint8_t buf[STUN_MAX_MESSAGE_SIZE + 8]; size_t len; uint16_t plen; StunMessage msg2 = {0}; msg2.agent = msg->agent; msg2.buffer = buf; msg2.buffer_len = sizeof(buf); memcpy (msg2.buffer, msg->buffer, sizeof(buf) > msg->buffer_len ? msg->buffer_len : sizeof(buf)); len = stun_agent_finish_message (agent, msg, NULL, 0); if (len <= 0) fatal ("Cannot finish message"); dynamic_check (agent, msg, len); if (stun_message_find (&msg2, STUN_ATTRIBUTE_MESSAGE_INTEGRITY, &plen) != NULL) fatal ("Missing HMAC test failed"); stun_message_append_string (&msg2, STUN_ATTRIBUTE_USERNAME, usr); len = stun_agent_finish_message (agent, &msg2, pwd, strlen (pwd)); if (len <= 0) fatal ("Cannot finish message with short-term creds"); dynamic_check (agent, &msg2, len); return len; } static void check_af (const char *name, int family, socklen_t addrlen) { struct sockaddr_storage addr; uint8_t buf[100]; StunAgent agent; StunMessage msg; uint16_t known_attributes[] = {STUN_ATTRIBUTE_USERNAME, STUN_ATTRIBUTE_MESSAGE_INTEGRITY, STUN_ATTRIBUTE_ERROR_CODE, 0}; stun_agent_init (&agent, known_attributes, STUN_COMPATIBILITY_RFC5389, STUN_AGENT_USAGE_USE_FINGERPRINT); assert (addrlen <= sizeof (addr)); memset (&addr, 0, sizeof (addr)); stun_agent_init_request (&agent, &msg, buf, sizeof(buf), STUN_BINDING); if (stun_message_append_addr (&msg, STUN_ATTRIBUTE_MAPPED_ADDRESS, (struct sockaddr *)&addr, addrlen) != STUN_MESSAGE_RETURN_UNSUPPORTED_ADDRESS) fatal ("Unknown address family test failed"); if (stun_message_append_xor_addr (&msg, STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS, (struct sockaddr *)&addr, addrlen) != STUN_MESSAGE_RETURN_UNSUPPORTED_ADDRESS) fatal ("Unknown address family xor test failed"); addr.ss_family = family; if (stun_message_append_addr (&msg, STUN_ATTRIBUTE_MAPPED_ADDRESS, (struct sockaddr *)&addr, addrlen - 1) != STUN_MESSAGE_RETURN_INVALID) fatal ("Too small %s sockaddr test failed", name); if (stun_message_append_xor_addr (&msg, STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS, (struct sockaddr *)&addr, addrlen - 1) != STUN_MESSAGE_RETURN_INVALID) fatal ("Too small %s sockaddr xor test failed", name); if (stun_message_append_addr (&msg, STUN_ATTRIBUTE_MAPPED_ADDRESS, (struct sockaddr *)&addr, addrlen) != STUN_MESSAGE_RETURN_SUCCESS) fatal ("%s sockaddr test failed", name); if (stun_message_append_xor_addr (&msg, STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS, (struct sockaddr *)&addr, addrlen) != STUN_MESSAGE_RETURN_SUCCESS) fatal ("%s sockaddr xor test failed", name); } int main (void) { uint8_t buf[100]; size_t len; struct sockaddr addr; StunAgent agent; StunMessage msg; uint16_t known_attributes[] = {STUN_ATTRIBUTE_USERNAME, STUN_ATTRIBUTE_MESSAGE_INTEGRITY, STUN_ATTRIBUTE_ERROR_CODE, 0}; stun_agent_init (&agent, known_attributes, STUN_COMPATIBILITY_RFC5389, STUN_AGENT_USAGE_USE_FINGERPRINT); /* Request formatting test */ stun_agent_init_request (&agent, &msg, buf, sizeof(buf), STUN_BINDING); finish_check (&agent, &msg); if (memcmp (buf, "\x00\x01", 2)) fatal ("Request formatting test failed"); /* Response formatting test */ stun_agent_init_response (&agent, &msg, buf, sizeof (buf), &msg); finish_check (&agent, &msg); if (memcmp (buf, "\x01\x01", 2)) fatal ("Response formatting test failed"); /* Error formatting test */ stun_agent_init_request (&agent, &msg, buf, sizeof(buf), STUN_BINDING); finish_check (&agent, &msg); if (!stun_agent_init_error (&agent, &msg, buf, sizeof (buf), &msg, 400)) fatal ("Error initialization test failed"); finish_check (&agent, &msg); if (memcmp (buf, "\x01\x11", 2)) fatal ("Error formatting test failed"); /* Unknown error formatting test */ stun_agent_init_request (&agent, &msg, buf, sizeof(buf), STUN_BINDING); finish_check (&agent, &msg); if (!stun_agent_init_error (&agent, &msg, buf, sizeof (buf), &msg, 666)) fatal ("Unknown error initialization test failed"); finish_check (&agent, &msg); if (memcmp (buf, "\x01\x11", 2)) fatal ("Unknown error formatting test failed"); /* Overflow tests */ stun_agent_init_request (&agent, &msg, buf, sizeof(buf), STUN_BINDING); for (len = 0; stun_message_append_flag (&msg, 0xffff) != STUN_MESSAGE_RETURN_NOT_ENOUGH_SPACE; len += 4) { if (len > 0xffff) fatal ("Overflow protection test failed"); } if (stun_message_append32 (&msg, 0xffff, 0x12345678) != STUN_MESSAGE_RETURN_NOT_ENOUGH_SPACE) fatal ("Double-word overflow test failed"); if (stun_message_append64 (&msg, 0xffff, 0x123456789abcdef0) != STUN_MESSAGE_RETURN_NOT_ENOUGH_SPACE) fatal ("Quad-word overflow test failed"); if (stun_message_append_string (&msg, 0xffff, "foobar") != STUN_MESSAGE_RETURN_NOT_ENOUGH_SPACE) fatal ("String overflow test failed"); memset (&addr, 0, sizeof (addr)); addr.sa_family = AF_INET; #ifdef HAVE_SA_LEN addr.sa_len = sizeof (addr); #endif if (stun_message_append_xor_addr (&msg, 0xffff, &addr, sizeof (addr)) != STUN_MESSAGE_RETURN_NOT_ENOUGH_SPACE) fatal ("Address overflow test failed"); len = sizeof (msg); if (stun_agent_finish_message (&agent, &msg, NULL, 0) != 0) fatal ("Fingerprint overflow test failed"); if (stun_agent_finish_message (&agent, &msg, pwd, strlen (pwd)) != 0) fatal ("Message integrity overflow test failed"); /* Address attributes tests */ check_af ("IPv4", AF_INET, sizeof (struct sockaddr_in)); #ifdef AF_INET6 check_af ("IPv6", AF_INET6, sizeof (struct sockaddr_in6)); #endif return 0; } libnice-0.1.4/stun/Makefile.am0000644000175000017500000000222011665306626013076 00000000000000# # Makefile.am for the Nice Glib ICE library # # (C) 2006, 2007 Collabora Ltd. # (C) 2006, 2007 Nokia Corporation. All rights reserved. # # Licensed under MPL 1.1/LGPL 2.1. See file COPYING. SUBDIRS = . tools tests include $(top_srcdir)/common.mk AM_CFLAGS = -std=gnu99 -DG_LOG_DOMAIN=\"libnice-stun\" $(ERROR_CFLAGS) AM_CPPFLAGS = -I$(top_srcdir) if WINDOWS AM_CFLAGS += -DWINVER=0x0501 # _WIN32_WINNT_WINXP endif noinst_LTLIBRARIES = libstun.la libstun_la_SOURCES = constants.h \ stunagent.c stunagent.h \ stunmessage.c stunmessage.h \ stun5389.c stun5389.h \ stuncrc32.c stuncrc32.h \ sha1.c sha1.h \ md5.c md5.h \ rand.c rand.h \ stunhmac.c stunhmac.h \ utils.c utils.h \ debug.c debug.h \ usages/ice.c usages/ice.h \ usages/bind.c usages/bind.h \ usages/turn.c usages/turn.h \ usages/timer.c usages/timer.h libstun_la_LIBADD = $(LIBRT) EXTRA_DIST = win32_common.h libstun_la_includedir=$(includedir)/stun libstun_la_include_HEADERS = stunagent.h stunmessage.h win32_common.h debug.h constants.h libstun_usage_includedir=$(includedir)/stun/usages libstun_usage_include_HEADERS = usages/bind.h usages/ice.h usages/turn.h usages/timer.h libnice-0.1.4/stun/md5.h0000644000175000017500000000156711241364464011707 00000000000000/* * MD5 hash implementation and interface functions * Copyright (c) 2003-2005, Jouni Malinen * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * Alternatively, this software may be distributed under the terms of BSD * license. * * See README and COPYING for more details. */ #ifndef MD5_H #define MD5_H #ifdef _WIN32 #include "win32_common.h" #else #include #endif #include #define MD5_MAC_LEN 16 struct MD5Context { uint32_t buf[4]; uint32_t bits[2]; uint8_t in[64]; }; typedef struct MD5Context MD5_CTX; void MD5Init(MD5_CTX *context); void MD5Update(MD5_CTX *context, unsigned char const *buf, unsigned len); void MD5Final(unsigned char digest[16], MD5_CTX *context); #endif /* MD5_H */ libnice-0.1.4/stun/stunagent.h0000664000175000017500000005140011522161200013204 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2008-2009 Nokia Corporation. All rights reserved. * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef _STUN_AGENT_H #define _STUN_AGENT_H /** * SECTION:stunagent * @short_description: STUN agent for building and validating STUN messages * @include: stun/stunagent.h * @see_also: #StunMessage * @stability: Stable * * The STUN Agent allows you to create and validate STUN messages easily. * It's main purpose is to make sure the building and validation methods used * are compatible with the RFC you create it with. It also tracks the transaction * ids of the requests you send, so you can validate if a STUN response you * received should be processed by that agent or not. * */ #ifdef _WIN32 #include "win32_common.h" #else #include #include #endif #include /** * StunAgent: * * An opaque structure representing the STUN agent. */ typedef struct stun_agent_t StunAgent; #include "stunmessage.h" #include "debug.h" /** * StunCompatibility: * @STUN_COMPATIBILITY_RFC3489: Use the STUN specifications compatible with * RFC 3489 * @STUN_COMPATIBILITY_RFC5389: Use the STUN specifications compatible with * RFC 5389 * @STUN_COMPATIBILITY_WLM2009: Use the STUN specifications compatible with * Windows Live Messenger 2009 (a mix between RFC3489 and RFC5389, as well as * a special usecase against a typo in their code) * @STUN_COMPATIBILITY_OC2007: Use the STUN specifications compatible with * Microsoft Office Communicator 2007 (basically RFC3489 with swapped * REALM and NONCE attribute hex IDs, attributes are not aligned) * @STUN_COMPATIBILITY_LAST: Dummy last compatibility mode * * Enum that specifies the STUN compatibility mode of the #StunAgent */ typedef enum { STUN_COMPATIBILITY_RFC3489, STUN_COMPATIBILITY_RFC5389, STUN_COMPATIBILITY_WLM2009, STUN_COMPATIBILITY_OC2007, STUN_COMPATIBILITY_LAST = STUN_COMPATIBILITY_OC2007 } StunCompatibility; /** * StunValidationStatus: * @STUN_VALIDATION_SUCCESS: The message is validated * @STUN_VALIDATION_NOT_STUN: This is not a valid STUN message * @STUN_VALIDATION_INCOMPLETE_STUN: The message seems to be valid but incomplete * @STUN_VALIDATION_BAD_REQUEST: The message does not have the cookie or the * fingerprint while the agent needs it with its usage * @STUN_VALIDATION_UNAUTHORIZED_BAD_REQUEST: The message is valid but * unauthorized with no username and message-integrity attributes. * A BAD_REQUEST error must be generated * @STUN_VALIDATION_UNAUTHORIZED: The message is valid but unauthorized as * the username/password do not match. * An UNAUTHORIZED error must be generated * @STUN_VALIDATION_UNMATCHED_RESPONSE: The message is valid but this is a * response/error that doesn't match a previously sent request * @STUN_VALIDATION_UNKNOWN_REQUEST_ATTRIBUTE: The message is valid but * contains one or more unknown comprehension attributes. * stun_agent_build_unknown_attributes_error() should be called * @STUN_VALIDATION_UNKNOWN_ATTRIBUTE: The message is valid but contains one * or more unknown comprehension attributes. This is a response, or error, * or indication message and no error response should be sent * * This enum is used as the return value of stun_agent_validate() and represents * the status result of the validation of a STUN message. */ typedef enum { STUN_VALIDATION_SUCCESS, STUN_VALIDATION_NOT_STUN, STUN_VALIDATION_INCOMPLETE_STUN, STUN_VALIDATION_BAD_REQUEST, STUN_VALIDATION_UNAUTHORIZED_BAD_REQUEST, STUN_VALIDATION_UNAUTHORIZED, STUN_VALIDATION_UNMATCHED_RESPONSE, STUN_VALIDATION_UNKNOWN_REQUEST_ATTRIBUTE, STUN_VALIDATION_UNKNOWN_ATTRIBUTE, } StunValidationStatus; /** * StunAgentUsageFlags: * @STUN_AGENT_USAGE_SHORT_TERM_CREDENTIALS: The agent should be using the short * term credentials mechanism for authenticating STUN messages * @STUN_AGENT_USAGE_LONG_TERM_CREDENTIALS: The agent should be using the long * term credentials mechanism for authenticating STUN messages * @STUN_AGENT_USAGE_USE_FINGERPRINT: The agent should add the FINGERPRINT * attribute to the STUN messages it creates. * @STUN_AGENT_USAGE_ADD_SOFTWARE: The agent should add the SOFTWARE attribute * to the STUN messages it creates. Calling nice_agent_set_software() will have * the same effect as enabling this Usage. STUN Indications do not have the * SOFTWARE attributes added to them though. The SOFTWARE attribute is only * added for the RFC5389 and WLM2009 compatibility modes. * @STUN_AGENT_USAGE_IGNORE_CREDENTIALS: The agent should ignore any credentials * in the STUN messages it receives (the MESSAGE-INTEGRITY attribute * will never be validated by stun_agent_validate()) * @STUN_AGENT_USAGE_NO_INDICATION_AUTH: The agent should ignore credentials * in the STUN messages it receives if the #StunClass of the message is * #STUN_INDICATION (some implementation require #STUN_INDICATION messages to * be authenticated, while others never add a MESSAGE-INTEGRITY attribute to a * #STUN_INDICATION message) * @STUN_AGENT_USAGE_FORCE_VALIDATER: The agent should always try to validate * the password of a STUN message, even if it already knows what the password * should be (a response to a previously created request). This means that the * #StunMessageIntegrityValidate callback will always be called when there is * a MESSAGE-INTEGRITY attribute. * @STUN_AGENT_USAGE_NO_ALIGNED_ATTRIBUTES: The agent should not assume STUN * attributes are aligned on 32-bit boundaries when parsing messages and also * do not add padding when creating messages. * * This enum defines a bitflag usages for a #StunAgent and they will define how * the agent should behave, independently of the compatibility mode it uses. * See also: stun_agent_init() * See also: stun_agent_validate() */ typedef enum { STUN_AGENT_USAGE_SHORT_TERM_CREDENTIALS = (1 << 0), STUN_AGENT_USAGE_LONG_TERM_CREDENTIALS = (1 << 1), STUN_AGENT_USAGE_USE_FINGERPRINT = (1 << 2), STUN_AGENT_USAGE_ADD_SOFTWARE = (1 << 3), STUN_AGENT_USAGE_IGNORE_CREDENTIALS = (1 << 4), STUN_AGENT_USAGE_NO_INDICATION_AUTH = (1 << 5), STUN_AGENT_USAGE_FORCE_VALIDATER = (1 << 6), STUN_AGENT_USAGE_NO_ALIGNED_ATTRIBUTES = (1 << 7), } StunAgentUsageFlags; typedef struct { StunTransactionId id; StunMethod method; uint8_t *key; size_t key_len; uint8_t long_term_key[16]; bool long_term_valid; bool valid; } StunAgentSavedIds; struct stun_agent_t { StunCompatibility compatibility; StunAgentSavedIds sent_ids[STUN_AGENT_MAX_SAVED_IDS]; uint16_t *known_attributes; StunAgentUsageFlags usage_flags; const char *software_attribute; }; /** * StunDefaultValidaterData: * @username: The username * @username_len: The length of the @username * @password: The password * @password_len: The length of the @password * * This structure is used as an element of the user_data to the * stun_agent_default_validater() function for authenticating a STUN * message during validationg. * See also: stun_agent_default_validater() */ typedef struct { uint8_t *username; size_t username_len; uint8_t *password; size_t password_len; } StunDefaultValidaterData; /** * StunMessageIntegrityValidate: * @agent: The #StunAgent * @message: The #StunMessage being validated * @username: The username found in the @message * @username_len: The length of @username * @password: The password associated with that username. This argument is a * pointer to a byte array that must be set by the validater function. * @password_len: The length of @password which must also be set by the * validater function. * @user_data: Data to give the function * * This is the prototype for the @validater argument of the stun_agent_validate() * function. * See also: stun_agent_validate() * Returns: %TRUE if the authentication was successful, * %FALSE if the authentication failed */ typedef bool (*StunMessageIntegrityValidate) (StunAgent *agent, StunMessage *message, uint8_t *username, uint16_t username_len, uint8_t **password, size_t *password_len, void *user_data); /** * stun_agent_default_validater: * @agent: The #StunAgent * @message: The #StunMessage being validated * @username: The username found in the @message * @username_len: The length of @username * @password: The password associated with that username. This argument is a * pointer to a byte array that must be set by the validater function. * @password_len: The length of @password which must also be set by the * validater function. * @user_data: This must be an array of #StunDefaultValidaterData structures. * The last element in the array must have a username set to NULL * * This is a helper function to be used with stun_agent_validate(). If no * complicated processing of the username needs to be done, this function can * be used with stun_agent_validate() to quickly and easily match the username * of a STUN message with its password. Its @user_data argument must be an array * of #StunDefaultValidaterData which will allow us to map a username to a * password * See also: stun_agent_validate() * Returns: %TRUE if the authentication was successful, * %FALSE if the authentication failed */ bool stun_agent_default_validater (StunAgent *agent, StunMessage *message, uint8_t *username, uint16_t username_len, uint8_t **password, size_t *password_len, void *user_data); /** * stun_agent_init: * @agent: The #StunAgent to initialize * @known_attributes: An array of #uint16_t specifying which attributes should * be known by the agent. Any STUN message received that contains a mandatory * attribute that is not in this array will yield a * #STUN_VALIDATION_UNKNOWN_REQUEST_ATTRIBUTE or a * #STUN_VALIDATION_UNKNOWN_ATTRIBUTE error when calling stun_agent_validate() * @compatibility: The #StunCompatibility to use for this agent. This will affect * how the agent builds and validates the STUN messages * @usage_flags: A bitflag using #StunAgentUsageFlags values to define which * STUN usages the agent should use. * * This function must be called to initialize an agent before it is being used. * The @known_attributes data must exist in memory as long as the @agent is used If the #STUN_AGENT_USAGE_SHORT_TERM_CREDENTIALS and #STUN_AGENT_USAGE_LONG_TERM_CREDENTIALS usage flags are not set, then the agent will default in using the short term credentials mechanism The #STUN_AGENT_USAGE_USE_FINGERPRINT and #STUN_AGENT_USAGE_ADD_SOFTWARE usage flags are only valid if the #STUN_COMPATIBILITY_RFC5389 or #STUN_COMPATIBILITY_WLM2009 @compatibility is used */ void stun_agent_init (StunAgent *agent, const uint16_t *known_attributes, StunCompatibility compatibility, StunAgentUsageFlags usage_flags); /** * stun_agent_validate: * @agent: The #StunAgent * @msg: The #StunMessage to build * @buffer: The data buffer of the STUN message * @buffer_len: The length of @buffer * @validater: A #StunMessageIntegrityValidate function callback that will * be called if the agent needs to validate a MESSAGE-INTEGRITY attribute. It * will only be called if the agent finds a message that needs authentication * and a USERNAME is present in the STUN message, but no password is known. * The validater will not be called if the #STUN_AGENT_USAGE_IGNORE_CREDENTIALS * usage flag is set on the agent, and it will always be called if the * #STUN_AGENT_USAGE_FORCE_VALIDATER usage flag is set on the agent. * @validater_data: A user data to give to the @validater callback when it gets * called. * * This function is used to validate an inbound STUN message and transform its * data buffer into a #StunMessage. It will take care of various validation * algorithms to make sure that the STUN message is valid and correctly * authenticated. * See also: stun_agent_default_validater() * Returns: A #StunValidationStatus if the return value is different from #STUN_VALIDATION_NOT_STUN or #STUN_VALIDATION_INCOMPLETE_STUN, then the @msg argument will contain a valid STUN message that can be used. This means that you can use the @msg variable as the @request argument to functions like stun_agent_init_error() or stun_agent_build_unknown_attributes_error(). If the return value is #STUN_VALIDATION_BAD_REQUEST, #STUN_VALIDATION_UNAUTHORIZED or #STUN_VALIDATION_UNAUTHORIZED_BAD_REQUEST then the @key in the #StunMessage will not be set, so that error responses will not have a MESSAGE-INTEGRITY attribute. */ StunValidationStatus stun_agent_validate (StunAgent *agent, StunMessage *msg, const uint8_t *buffer, size_t buffer_len, StunMessageIntegrityValidate validater, void * validater_data); /** * stun_agent_init_request: * @agent: The #StunAgent * @msg: The #StunMessage to build * @buffer: The buffer to use in the #StunMessage * @buffer_len: The length of the buffer * @m: The #StunMethod of the request * * Creates a new STUN message of class #STUN_REQUEST and with the method @m * Returns: %TRUE if the message was initialized correctly, %FALSE otherwise */ bool stun_agent_init_request (StunAgent *agent, StunMessage *msg, uint8_t *buffer, size_t buffer_len, StunMethod m); /** * stun_agent_init_indication: * @agent: The #StunAgent * @msg: The #StunMessage to build * @buffer: The buffer to use in the #StunMessage * @buffer_len: The length of the buffer * @m: The #StunMethod of the indication * * Creates a new STUN message of class #STUN_INDICATION and with the method @m * Returns: %TRUE if the message was initialized correctly, %FALSE otherwise */ bool stun_agent_init_indication (StunAgent *agent, StunMessage *msg, uint8_t *buffer, size_t buffer_len, StunMethod m); /** * stun_agent_init_response: * @agent: The #StunAgent * @msg: The #StunMessage to build * @buffer: The buffer to use in the #StunMessage * @buffer_len: The length of the buffer * @request: The #StunMessage of class #STUN_REQUEST that this response is for * * Creates a new STUN message of class #STUN_RESPONSE and with the same method * and transaction ID as the message @request. This will also copy the pointer * to the key that was used to authenticate the request, so you won't need to * specify the key with stun_agent_finish_message() * Returns: %TRUE if the message was initialized correctly, %FALSE otherwise */ bool stun_agent_init_response (StunAgent *agent, StunMessage *msg, uint8_t *buffer, size_t buffer_len, const StunMessage *request); /** * stun_agent_init_error: * @agent: The #StunAgent * @msg: The #StunMessage to build * @buffer: The buffer to use in the #StunMessage * @buffer_len: The length of the buffer * @request: The #StunMessage of class #STUN_REQUEST that this error response * is for * @err: The #StunError to put in the ERROR-CODE attribute of the error response * * Creates a new STUN message of class #STUN_ERROR and with the same method * and transaction ID as the message @request. This will also copy the pointer * to the key that was used to authenticate the request (if authenticated), * so you won't need to specify the key with stun_agent_finish_message(). * It will then add the ERROR-CODE attribute with code @err and the associated * string. * Returns: %TRUE if the message was initialized correctly, %FALSE otherwise */ bool stun_agent_init_error (StunAgent *agent, StunMessage *msg, uint8_t *buffer, size_t buffer_len, const StunMessage *request, StunError err); /** * stun_agent_build_unknown_attributes_error: * @agent: The #StunAgent * @msg: The #StunMessage to build * @buffer: The buffer to use in the #StunMessage * @buffer_len: The length of the buffer * @request: The #StunMessage of class #STUN_REQUEST that this response is for * * Creates a new STUN message of class #STUN_ERROR and with the same method * and transaction ID as the message @request. It will then add the ERROR-CODE * attribute with code #STUN_ERROR_UNKNOWN_ATTRIBUTE and add all the unknown * mandatory attributes from the @request STUN message in the * #STUN_ATTRIBUTE_UNKNOWN_ATTRIBUTES attribute, it will then finish the message * by calling stun_agent_finish_message() * Returns: The size of the message built */ size_t stun_agent_build_unknown_attributes_error (StunAgent *agent, StunMessage *msg, uint8_t *buffer, size_t buffer_len, const StunMessage *request); /** * stun_agent_finish_message: * @agent: The #StunAgent * @msg: The #StunMessage to finish * @key: The key to use for the MESSAGE-INTEGRITY attribute * @key_len: The length of the @key * * This function will 'finish' a message and make it ready to be sent. It will * add the MESSAGE-INTEGRITY and FINGERPRINT attributes if necessary. If the * STUN message has a #STUN_REQUEST class, it will save the transaction id of * the message in the agent for future matching of the response. * See also: stun_agent_forget_transaction() * Returns: The final size of the message built or 0 if an error occured * The return value must always be checked. a value of 0 means the either the buffer's size is too small to contain the finishing attributes (MESSAGE-INTEGRITY, FINGERPRINT), or that there is no more free slots for saving the sent id in the agent's state. Everytime stun_agent_finish_message() is called for a #STUN_REQUEST message, you must make sure to call stun_agent_forget_transaction() in case the response times out and is never received. This is to avoid filling up the #StunAgent's sent ids state preventing any further use of the stun_agent_finish_message() */ size_t stun_agent_finish_message (StunAgent *agent, StunMessage *msg, const uint8_t *key, size_t key_len); /** * stun_agent_forget_transaction: * @agent: The #StunAgent * @id: The #StunTransactionId of the transaction to forget * * This function is used to make the #StunAgent forget about a previously * created transaction. * * This function should be called when a STUN request was previously * created with stun_agent_finish_message() and for which no response was ever * received (timed out). The #StunAgent keeps a list of the sent transactions * in order to validate the responses received. If the response is never received * this will allow the #StunAgent to forget about the timed out transaction and * free its slot for future transactions. * * Since: 0.0.6 * Returns: %TRUE if the transaction was found, %FALSE otherwise */ bool stun_agent_forget_transaction (StunAgent *agent, StunTransactionId id); /** * stun_agent_set_software: * @agent: The #StunAgent * @software: The value of the SOFTWARE attribute to add. * * This function will set the value of the SOFTWARE attribute to be added to * STUN requests, responses and error responses. * * Calling this function will automatically enable the addition of the SOFTWARE * attribute for RFC5389 and WLM2009 compatibility modes. * * * The @software argument must be in UTF-8 encoding and only the first 128 characters will be sent. The value of the @software argument must stay valid throughout the life of the StunAgent's life. Do not free its content. * * Since: 0.0.10 * */ void stun_agent_set_software (StunAgent *agent, const char *software); #endif /* _STUN_AGENT_H */ libnice-0.1.4/stun/stun5389.h0000644000175000017500000000434111345503277012537 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2006, 2007 Collabora Ltd. * Contact: Dafydd Harries * (C) 2006, 2007 Nokia Corporation. All rights reserved. * Contact: Rémi Denis-Courmont * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Rémi Denis-Courmont, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef _STUN_5389_H #define _STUN_5389_H #ifdef _WIN32 #include "win32_common.h" #else # include # include #endif # include #include "stunmessage.h" /* * Computes the FINGERPRINT checksum of a STUN message. * @param msg pointer to the STUN message * @param len size of the message from header (inclusive) and up to * FINGERPRINT attribute (inclusive) * * @return fingerprint value in host byte order. */ uint32_t stun_fingerprint (const uint8_t *msg, size_t len, bool wlm2009_stupid_crc32_typo); StunMessageReturn stun_message_append_software (StunMessage *msg, const char *software); #endif /* _STUN_5389_H */ libnice-0.1.4/stun/stunhmac.h0000664000175000017500000000470711522161146013037 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008 Collabora Ltd. * Contact: Youness Alaoui * (C) 2008 Nokia Corporation. All rights reserved. * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef _STUN_HMAC_H #define _STUN_HMAC_H #include "stunmessage.h" /* * Computes the MESSAGE-INTEGRITY hash of a STUN message. * @param msg pointer to the STUN message * @param len size of the message from header (inclusive) and up to * MESSAGE-INTEGRITY attribute (inclusive) * @param sha output buffer for SHA1 hash (20 bytes) * @param key HMAC key * @param keylen HMAC key bytes length * * @return fingerprint value in host byte order. */ void stun_sha1 (const uint8_t *msg, size_t len, size_t msg_len, uint8_t *sha, const void *key, size_t keylen, int padding); /* * SIP H(A1) computation */ void stun_hash_creds (const uint8_t *realm, size_t realm_len, const uint8_t *username, size_t username_len, const uint8_t *password, size_t password_len, unsigned char md5[16]); /* * Generates a pseudo-random secure STUN transaction ID. */ void stun_make_transid (StunTransactionId id); #endif /* _STUN_HMAC_H */ libnice-0.1.4/stun/utils.c0000664000175000017500000000651011522161146012342 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2007-2009 Nokia Corporation. All rights reserved. * Contact: Rémi Denis-Courmont * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * Olivier Crete, Collabora Ltd. * Kai Vehmanen, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include #endif #include #include #include #include #include "utils.h" size_t stun_padding (size_t l) { return (4 - (l & 3)) & 3; } size_t stun_align (size_t l) { return (l + 3) & ~3; } uint16_t stun_getw (const uint8_t *ptr) { return ((ptr)[0] << 8) | ptr[1]; } void *stun_setw (uint8_t *ptr, uint16_t value) { *ptr++ = value >> 8; *ptr++ = value & 0xff; return ptr; } void stun_set_type (uint8_t *h, StunClass c, StunMethod m) { /* assert (c < 4); */ /* assert (m < (1 << 12)); */ h[0] = (c >> 1) | ((m >> 6) & 0x3e); h[1] = ((c << 4) & 0x10) | ((m << 1) & 0xe0) | (m & 0x0f); /* assert (stun_getw (h) < (1 << 14)); */ /* assert (stun_get_class (h) == c); */ /* assert (stun_get_method (h) == m); */ } StunMessageReturn stun_xor_address (const StunMessage *msg, struct sockaddr *addr, socklen_t addrlen, uint32_t magic_cookie) { switch (addr->sa_family) { case AF_INET: { struct sockaddr_in *ip4 = (struct sockaddr_in *)addr; if ((size_t) addrlen < sizeof (*ip4)) return STUN_MESSAGE_RETURN_INVALID; ip4->sin_port ^= htons (magic_cookie >> 16); ip4->sin_addr.s_addr ^= htonl (magic_cookie); return STUN_MESSAGE_RETURN_SUCCESS; } case AF_INET6: { struct sockaddr_in6 *ip6 = (struct sockaddr_in6 *)addr; unsigned short i; if ((size_t) addrlen < sizeof (*ip6)) return STUN_MESSAGE_RETURN_INVALID; ip6->sin6_port ^= htons (magic_cookie >> 16); for (i = 0; i < 16; i++) ip6->sin6_addr.s6_addr[i] ^= msg->buffer[4 + i]; return STUN_MESSAGE_RETURN_SUCCESS; } } return STUN_MESSAGE_RETURN_UNSUPPORTED_ADDRESS; } libnice-0.1.4/stun/stuncrc32.h0000664000175000017500000000356211522161146013041 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2006-2007 Nokia Corporation. All rights reserved. * Contact: Rémi Denis-Courmont * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef _CRC32_H #define _CRC32_H #ifdef _WIN32 #include "win32_common.h" #else #include #include #endif #include typedef struct { uint8_t *buf; size_t len; } crc_data; uint32_t stun_crc32 (const crc_data *data, size_t n, bool wlm2009_stupid_crc32_typo); #endif /* _CRC32_H */ libnice-0.1.4/stun/stuncrc32.c0000664000175000017500000001721511522161146013034 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2007-2009 Nokia Corporation. All rights reserved. * Contact: Rémi Denis-Courmont * COPYRIGHT (C) 1986 Gary S. Brown * See documentation of the function crc32() below. * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * Rémi Denis-Courmont, Nokia * Gary S. Brown * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ /*- * COPYRIGHT (C) 1986 Gary S. Brown. You may use this program, or * code or tables extracted from it, as desired without restriction. * * Extracted from FreeBSD CVS (src/sys/libkern/crc32.c) * and adapted by Rémi Denis-Courmont, 2007. */ /* * First, the polynomial itself and its table of feedback terms. The * polynomial is * X^32+X^26+X^23+X^22+X^16+X^12+X^11+X^10+X^8+X^7+X^5+X^4+X^2+X^1+X^0 * * Note that we take it "backwards" and put the highest-order term in * the lowest-order bit. The X^32 term is "implied"; the LSB is the * X^31 term, etc. The X^0 term (usually shown as "+1") results in * the MSB being 1 * * Note that the usual hardware shift register implementation, which * is what we're using (we're merely optimizing it by doing eight-bit * chunks at a time) shifts bits into the lowest-order term. In our * implementation, that means shifting towards the right. Why do we * do it this way? Because the calculated CRC must be transmitted in * order from highest-order term to lowest-order term. UARTs transmit * characters in order from LSB to MSB. By storing the CRC this way * we hand it to the UART in the order low-byte to high-byte; the UART * sends each low-bit to hight-bit; and the result is transmission bit * by bit from highest- to lowest-order term without requiring any bit * shuffling on our part. Reception works similarly * * The feedback terms table consists of 256, 32-bit entries. Notes * * The table can be generated at runtime if desired; code to do so * is shown later. It might not be obvious, but the feedback * terms simply represent the results of eight shift/xor opera * tions for all combinations of data and CRC register values * * The values must be right-shifted by eight bits by the "updcrc * logic; the shift must be unsigned (bring in zeroes). On some * hardware you could probably optimize the shift in assembler by * using byte-swap instructions * polynomial $edb88320 * * * CRC32 code derived from work by Gary S. Brown. */ #ifdef HAVE_CONFIG_H # include #endif #include "stuncrc32.h" static const uint32_t crc32_tab[] = { 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d }; uint32_t stun_crc32 (const crc_data *data, size_t n, bool wlm2009_stupid_crc32_typo) { size_t i; uint32_t crc = 0xffffffff; for (i = 0; i < n; i++) { const uint8_t *p = data[i].buf; size_t size = data[i].len; while (size--) { uint32_t lkp = crc32_tab[(crc ^ *p++) & 0xFF]; if (lkp == 0x8bbeb8ea && wlm2009_stupid_crc32_typo) lkp = 0x8bbe8ea; crc = lkp ^ (crc >> 8); } } return crc ^ 0xffffffff; } libnice-0.1.4/stun/rand.c0000664000175000017500000002021311673734474012143 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008 Collabora Ltd. All rights reserved. * Contact: Youness Alaoui * (C) 2008 Nokia Corporation. All rights reserved. * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include #endif #include "rand.h" #ifdef _WIN32 #include #include void RAND_bytes (uint8_t *dst, int len) { HCRYPTPROV hCryptProv; LPCSTR container = "Libnice key container"; if(!CryptAcquireContext(&hCryptProv, container, NULL, PROV_RSA_FULL, 0)) { /* non existing container. try to create a new one */ // I hope this cast here doesn't cause issues // gcc was complaining about comparing signed and unsigned values if (GetLastError() == (DWORD) NTE_BAD_KEYSET) { if(!CryptAcquireContext(&hCryptProv, container, NULL, PROV_RSA_FULL, CRYPT_NEWKEYSET)) { return; } } return; } CryptGenRandom (hCryptProv, len, dst); CryptReleaseContext(hCryptProv,0); } #else /* ------------- Start original implementation. ----------------- */ /* http://www.math.sci.hiroshima-u.ac.jp/~m-mat/MT/MT2002/emt19937ar.html */ /* A C-program for MT19937, with initialization improved 2002/1/26. Coded by Takuji Nishimura and Makoto Matsumoto. Before using, initialize the state by using init_genrand(seed) or init_by_array(init_key, key_length). Copyright (C) 1997 - 2002, Makoto Matsumoto and Takuji Nishimura, All rights reserved Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 3. The names of its contributors may not be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. Any feedback is very welcome. http://www.math.sci.hiroshima-u.ac.jp/~m-mat/MT/emt.html email: m-mat @ math.sci.hiroshima-u.ac.jp (remove space) */ /* Period parameters */ #define N 624 #define M 397 #define MATRIX_A 0x9908b0dfUL /* constant vector a */ #define UPPER_MASK 0x80000000UL /* most significant w-r bits */ #define LOWER_MASK 0x7fffffffUL /* least significant r bits */ static unsigned long mt[N]; /* the array for the state vector */ static int mti=N+1; /* mti==N+1 means mt[N] is not initialized */ /* initializes mt[N] with a seed */ static void init_genrand(unsigned long s) { mt[0]= s & 0xffffffffUL; for (mti=1; mti> 30)) + mti); /* See Knuth TAOCP Vol2. 3rd Ed. P.106 for multiplier. */ /* In the previous versions, MSBs of the seed affect */ /* only MSBs of the array mt[]. */ /* 2002/01/09 modified by Makoto Matsumoto */ mt[mti] &= 0xffffffffUL; /* for >32 bit machines */ } } /* initialize by an array with array-length */ /* init_key is the array for initializing keys */ /* key_length is its length */ /* slight change for C++, 2004/2/26 */ static void init_by_array(unsigned long init_key[], int key_length) { int i, j, k; init_genrand(19650218UL); i=1; j=0; k = (N>key_length ? N : key_length); for (; k; k--) { mt[i] = (mt[i] ^ ((mt[i-1] ^ (mt[i-1] >> 30)) * 1664525UL)) + init_key[j] + j; /* non linear */ mt[i] &= 0xffffffffUL; /* for WORDSIZE > 32 machines */ i++; j++; if (i>=N) { mt[0] = mt[N-1]; i=1; } if (j>=key_length) j=0; } for (k=N-1; k; k--) { mt[i] = (mt[i] ^ ((mt[i-1] ^ (mt[i-1] >> 30)) * 1566083941UL)) - i; /* non linear */ mt[i] &= 0xffffffffUL; /* for WORDSIZE > 32 machines */ i++; if (i>=N) { mt[0] = mt[N-1]; i=1; } } mt[0] = 0x80000000UL; /* MSB is 1; assuring non-zero initial array */ } /* generates a random number on [0,0xffffffff]-interval */ static unsigned long genrand_int32(void) { unsigned long y; static unsigned long mag01[2]={0x0UL, MATRIX_A}; /* mag01[x] = x * MATRIX_A for x=0,1 */ if (mti >= N) { /* generate N words at one time */ int kk; if (mti == N+1) /* if init_genrand() has not been called, */ init_genrand(5489UL); /* a default initial seed is used */ for (kk=0;kk> 1) ^ mag01[y & 0x1UL]; } for (;kk> 1) ^ mag01[y & 0x1UL]; } y = (mt[N-1]&UPPER_MASK)|(mt[0]&LOWER_MASK); mt[N-1] = mt[M-1] ^ (y >> 1) ^ mag01[y & 0x1UL]; mti = 0; } y = mt[mti++]; /* Tempering */ y ^= (y >> 11); y ^= (y << 7) & 0x9d2c5680UL; y ^= (y << 15) & 0xefc60000UL; y ^= (y >> 18); return y; } /* These real versions are due to Isaku Wada, 2002/01/09 added */ /* ------------- End original implementation. ----------------- */ #include #include static int initialized = 0; void RAND_bytes (uint8_t *dst, int len) { int i; if (!initialized) { /* Seed the generator with an array from /dev/urandom if available Otherwise use time() and clock() values */ FILE *urandom = fopen( "/dev/urandom", "rb" ); unsigned long init_key[10] = {}; int key_length = 0; if (urandom) { while (fread(&init_key[key_length++], sizeof(unsigned long), 1, urandom) > 0 && key_length < 10); fclose(urandom); } else { time_t t = time (NULL); clock_t c = clock (); unsigned long cl = c; unsigned long tl = t; init_key[0] = *((unsigned long *) dst); init_key[1] = 0x6c69626e; init_key[2] = 0x69636500; init_key[3] = tl; init_key[4] = cl; key_length = 5; } init_by_array(init_key, key_length); initialized = 1; } for (i = 0; i < len; i++) { dst[i] = genrand_int32 () & 0xFF; } } #endif /* _WIN32 */ libnice-0.1.4/stun/constants.h0000664000175000017500000000545511522161146013232 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008 Collabora Ltd. * Contact: Youness Alaoui * (C) 2008 Nokia Corporation. All rights reserved. * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef _STUN_CONSTANTS_H #define _STUN_CONSTANTS_H #define STUN_MESSAGE_TYPE_POS 0 #define STUN_MESSAGE_TYPE_LEN 2 #define STUN_MESSAGE_LENGTH_POS \ (STUN_MESSAGE_TYPE_POS + STUN_MESSAGE_TYPE_LEN) #define STUN_MESSAGE_LENGTH_LEN 2 #define STUN_MESSAGE_TRANS_ID_POS \ (STUN_MESSAGE_LENGTH_POS + STUN_MESSAGE_LENGTH_LEN) #define STUN_MESSAGE_TRANS_ID_LEN 16 #define STUN_MESSAGE_ATTRIBUTES_POS \ (STUN_MESSAGE_TRANS_ID_POS + STUN_MESSAGE_TRANS_ID_LEN) #define STUN_MESSAGE_HEADER_LENGTH STUN_MESSAGE_ATTRIBUTES_POS #define STUN_ATTRIBUTE_TYPE_POS 0 #define STUN_ATTRIBUTE_TYPE_LEN 2 #define STUN_ATTRIBUTE_LENGTH_POS \ (STUN_ATTRIBUTE_TYPE_POS + STUN_ATTRIBUTE_TYPE_LEN) #define STUN_ATTRIBUTE_LENGTH_LEN 2 #define STUN_ATTRIBUTE_VALUE_POS \ (STUN_ATTRIBUTE_LENGTH_POS + STUN_ATTRIBUTE_LENGTH_LEN) #define STUN_ATTRIBUTE_HEADER_LENGTH STUN_ATTRIBUTE_VALUE_POS #define STUN_MAX_MESSAGE_SIZE_IPV4 576 #define STUN_MAX_MESSAGE_SIZE_IPV6 1280 /* #define STUN_MAX_MESSAGE_SIZE STUN_MAX_MESSAGE_SIZE_IPV4 */ #define STUN_ID_LEN 16 #define STUN_AGENT_MAX_SAVED_IDS 200 #define STUN_AGENT_MAX_UNKNOWN_ATTRIBUTES 256 #define STUN_MAGIC_COOKIE 0x2112A442 #define TURN_MAGIC_COOKIE 0x72c64bc6 #ifndef TRUE #define TRUE (1 == 1) #endif #ifndef FALSE #define FALSE (0 == 1) #endif #endif /* _STUN_CONSTANTS_H */ libnice-0.1.4/stun/md5.c0000664000175000017500000002046711716520710011677 00000000000000/* * MD5 hash implementation and interface functions * Copyright (c) 2003-2005, Jouni Malinen * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * Alternatively, this software may be distributed under the terms of BSD * license. * * See README and COPYING for more details. */ #include "md5.h" #include /* ===== start - public domain MD5 implementation ===== */ /* * This code implements the MD5 message-digest algorithm. * The algorithm is due to Ron Rivest. This code was * written by Colin Plumb in 1993, no copyright is claimed. * This code is in the public domain; do with it what you wish. * * Equivalent code is available from RSA Data Security, Inc. * This code has been tested against that, and is equivalent, * except that you don't need to include two pages of legalese * with every copy. * * To compute the message digest of a chunk of bytes, declare an * MD5Context structure, pass it to MD5Init, call MD5Update as * needed on buffers full of bytes, and then call MD5Final, which * will fill a supplied 16-byte array with the digest. */ static void MD5Transform(uint32_t buf[4], uint32_t const in[16]); static int am_big_endian(void) { long one= 1; return !(*((char *)(&one))); } /* * Note: this code is harmless on little-endian machines. */ static void byteReverse(unsigned char *buf, unsigned longs) { uint32_t t; if (am_big_endian ()) { do { t = (uint32_t) ((unsigned) buf[3] << 8 | buf[2]) << 16 | ((unsigned) buf[1] << 8 | buf[0]); *(uint32_t *) buf = t; buf += 4; } while (--longs); } } /* * Start MD5 accumulation. Set bit count to 0 and buffer to mysterious * initialization constants. */ void MD5Init(MD5_CTX *ctx) { ctx->buf[0] = 0x67452301; ctx->buf[1] = 0xefcdab89; ctx->buf[2] = 0x98badcfe; ctx->buf[3] = 0x10325476; ctx->bits[0] = 0; ctx->bits[1] = 0; } /* * Update context to reflect the concatenation of another buffer full * of bytes. */ void MD5Update(struct MD5Context *ctx, unsigned char const *buf, unsigned len) { uint32_t t; /* Update bitcount */ t = ctx->bits[0]; if ((ctx->bits[0] = t + ((uint32_t) len << 3)) < t) ctx->bits[1]++; /* Carry from low to high */ ctx->bits[1] += len >> 29; t = (t >> 3) & 0x3f; /* Bytes already in shsInfo->data */ /* Handle any leading odd-sized chunks */ if (t) { unsigned char *p = (unsigned char *) ctx->in + t; t = 64 - t; if (len < t) { memcpy(p, buf, len); return; } memcpy(p, buf, t); byteReverse(ctx->in, 16); MD5Transform(ctx->buf, (uint32_t *) ctx->in); buf += t; len -= t; } /* Process data in 64-byte chunks */ while (len >= 64) { memcpy(ctx->in, buf, 64); byteReverse(ctx->in, 16); MD5Transform(ctx->buf, (uint32_t *) ctx->in); buf += 64; len -= 64; } /* Handle any remaining bytes of data. */ memcpy(ctx->in, buf, len); } /* * Final wrapup - pad to 64-byte boundary with the bit pattern * 1 0* (64-bit count of bits processed, MSB-first) */ void MD5Final(unsigned char digest[16], struct MD5Context *ctx) { unsigned count; unsigned char *p; /* Compute number of bytes mod 64 */ count = (ctx->bits[0] >> 3) & 0x3F; /* Set the first char of padding to 0x80. This is safe since there is always at least one byte free */ p = ctx->in + count; *p++ = 0x80; /* Bytes of padding needed to make 64 bytes */ count = 64 - 1 - count; /* Pad out to 56 mod 64 */ if (count < 8) { /* Two lots of padding: Pad the first block to 64 bytes */ memset(p, 0, count); byteReverse(ctx->in, 16); MD5Transform(ctx->buf, (uint32_t *) ctx->in); /* Now fill the next block with 56 bytes */ memset(ctx->in, 0, 56); } else { /* Pad block to 56 bytes */ memset(p, 0, count - 8); } byteReverse(ctx->in, 14); /* Append length in bits and transform */ ((uint32_t *) ctx->in)[14] = ctx->bits[0]; ((uint32_t *) ctx->in)[15] = ctx->bits[1]; MD5Transform(ctx->buf, (uint32_t *) ctx->in); byteReverse((unsigned char *) ctx->buf, 4); memcpy(digest, ctx->buf, 16); memset(ctx, 0, sizeof(struct MD5Context)); /* In case it's sensitive */ } /* The four core functions - F1 is optimized somewhat */ /* #define F1(x, y, z) (x & y | ~x & z) */ #define F1(x, y, z) (z ^ (x & (y ^ z))) #define F2(x, y, z) F1(z, x, y) #define F3(x, y, z) (x ^ y ^ z) #define F4(x, y, z) (y ^ (x | ~z)) /* This is the central step in the MD5 algorithm. */ #define MD5STEP(f, w, x, y, z, data, s) \ ( w += f(x, y, z) + data, w = w<>(32-s), w += x ) /* * The core of the MD5 algorithm, this alters an existing MD5 hash to * reflect the addition of 16 longwords of new data. MD5Update blocks * the data and converts bytes into longwords for this routine. */ static void MD5Transform(uint32_t buf[4], uint32_t const in[16]) { register uint32_t a, b, c, d; a = buf[0]; b = buf[1]; c = buf[2]; d = buf[3]; MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7); MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12); MD5STEP(F1, c, d, a, b, in[2] + 0x242070db, 17); MD5STEP(F1, b, c, d, a, in[3] + 0xc1bdceee, 22); MD5STEP(F1, a, b, c, d, in[4] + 0xf57c0faf, 7); MD5STEP(F1, d, a, b, c, in[5] + 0x4787c62a, 12); MD5STEP(F1, c, d, a, b, in[6] + 0xa8304613, 17); MD5STEP(F1, b, c, d, a, in[7] + 0xfd469501, 22); MD5STEP(F1, a, b, c, d, in[8] + 0x698098d8, 7); MD5STEP(F1, d, a, b, c, in[9] + 0x8b44f7af, 12); MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17); MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22); MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7); MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12); MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17); MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22); MD5STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5); MD5STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9); MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14); MD5STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20); MD5STEP(F2, a, b, c, d, in[5] + 0xd62f105d, 5); MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9); MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14); MD5STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20); MD5STEP(F2, a, b, c, d, in[9] + 0x21e1cde6, 5); MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9); MD5STEP(F2, c, d, a, b, in[3] + 0xf4d50d87, 14); MD5STEP(F2, b, c, d, a, in[8] + 0x455a14ed, 20); MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5); MD5STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9); MD5STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14); MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20); MD5STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4); MD5STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11); MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16); MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23); MD5STEP(F3, a, b, c, d, in[1] + 0xa4beea44, 4); MD5STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9, 11); MD5STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60, 16); MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23); MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4); MD5STEP(F3, d, a, b, c, in[0] + 0xeaa127fa, 11); MD5STEP(F3, c, d, a, b, in[3] + 0xd4ef3085, 16); MD5STEP(F3, b, c, d, a, in[6] + 0x04881d05, 23); MD5STEP(F3, a, b, c, d, in[9] + 0xd9d4d039, 4); MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11); MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16); MD5STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23); MD5STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6); MD5STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10); MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15); MD5STEP(F4, b, c, d, a, in[5] + 0xfc93a039, 21); MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6); MD5STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92, 10); MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15); MD5STEP(F4, b, c, d, a, in[1] + 0x85845dd1, 21); MD5STEP(F4, a, b, c, d, in[8] + 0x6fa87e4f, 6); MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10); MD5STEP(F4, c, d, a, b, in[6] + 0xa3014314, 15); MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21); MD5STEP(F4, a, b, c, d, in[4] + 0xf7537e82, 6); MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10); MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15); MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21); buf[0] += a; buf[1] += b; buf[2] += c; buf[3] += d; } /* ===== end - public domain MD5 implementation ===== */ libnice-0.1.4/stun/stunmessage.h0000664000175000017500000010203111522161200013527 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2008-2009 Nokia Corporation. All rights reserved. * Contact: Rémi Denis-Courmont * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * Rémi Denis-Courmont, Nokia * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef _STUN_MESSAGE_H #define _STUN_MESSAGE_H /** * SECTION:stunmessage * @short_description: STUN messages parsing and formatting functions * @include: stun/stunmessage.h * @see_also: #StunAgent * @stability: Stable * * The STUN Messages API allows you to create STUN messages easily as well as to * parse existing messages. * */ #ifdef _WIN32 #include "win32_common.h" #else #include #include #endif #include #ifdef _WIN32 #include #include #else #include #include #endif #include "constants.h" typedef struct _StunMessage StunMessage; /** * StunClass: * @STUN_REQUEST: A STUN Request message * @STUN_INDICATION: A STUN indication message * @STUN_RESPONSE: A STUN Response message * @STUN_ERROR: A STUN Error message * * This enum is used to represent the class of * a STUN message, as defined in RFC5389 */ /* Message classes */ typedef enum { STUN_REQUEST=0, STUN_INDICATION=1, STUN_RESPONSE=2, STUN_ERROR=3 } StunClass; /** * StunMethod: * @STUN_BINDING: The Binding method as defined by the RFC5389 * @STUN_SHARED_SECRET: The Shared-Secret method as defined by the RFC3489 * @STUN_ALLOCATE: The Allocate method as defined by the TURN draft 12 * @STUN_SET_ACTIVE_DST: The Set-Active-Destination method as defined by * the TURN draft 4 * @STUN_REFRESH: The Refresh method as defined by the TURN draft 12 * @STUN_SEND: The Send method as defined by the TURN draft 00 * @STUN_CONNECT: The Connect method as defined by the TURN draft 4 * @STUN_OLD_SET_ACTIVE_DST: The older Set-Active-Destination method as * defined by the TURN draft 0 * @STUN_IND_SEND: The Send method used in indication messages as defined * by the TURN draft 12 * @STUN_IND_DATA: The Data method used in indication messages as defined * by the TURN draft 12 * @STUN_IND_CONNECT_STATUS: The Connect-Status method used in indication * messages as defined by the TURN draft 4 * @STUN_CREATEPERMISSION: The CreatePermission method as defined by * the TURN draft 12 * @STUN_CHANNELBIND: The ChannelBind method as defined by the TURN draft 12 * * This enum is used to represent the method of * a STUN message, as defined by various RFCs */ /* Message methods */ typedef enum { STUN_BINDING=0x001, /* RFC5389 */ STUN_SHARED_SECRET=0x002, /* old RFC3489 */ STUN_ALLOCATE=0x003, /* TURN-12 */ STUN_SET_ACTIVE_DST=0x004, /* TURN-04 */ STUN_REFRESH=0x004, /* TURN-12 */ STUN_SEND=0x004, /* TURN-00 */ STUN_CONNECT=0x005, /* TURN-04 */ STUN_OLD_SET_ACTIVE_DST=0x006, /* TURN-00 */ STUN_IND_SEND=0x006, /* TURN-12 */ STUN_IND_DATA=0x007, /* TURN-12 */ STUN_IND_CONNECT_STATUS=0x008, /* TURN-04 */ STUN_CREATEPERMISSION= 0x008, /* TURN-12 */ STUN_CHANNELBIND= 0x009 /* TURN-12 */ } StunMethod; /** * StunAttribute: * @STUN_ATTRIBUTE_MAPPED_ADDRESS: The MAPPED-ADDRESS attribute as defined * by RFC5389 * @STUN_ATTRIBUTE_RESPONSE_ADDRESS: The RESPONSE-ADDRESS attribute as defined * by RFC3489 * @STUN_ATTRIBUTE_CHANGE_REQUEST: The CHANGE-REQUEST attribute as defined by * RFC3489 * @STUN_ATTRIBUTE_SOURCE_ADDRESS: The SOURCE-ADDRESS attribute as defined by * RFC3489 * @STUN_ATTRIBUTE_CHANGED_ADDRESS: The CHANGED-ADDRESS attribute as defined * by RFC3489 * @STUN_ATTRIBUTE_USERNAME: The USERNAME attribute as defined by RFC5389 * @STUN_ATTRIBUTE_PASSWORD: The PASSWORD attribute as defined by RFC3489 * @STUN_ATTRIBUTE_MESSAGE_INTEGRITY: The MESSAGE-INTEGRITY attribute as defined * by RFC5389 * @STUN_ATTRIBUTE_ERROR_CODE: The ERROR-CODE attribute as defined by RFC5389 * @STUN_ATTRIBUTE_UNKNOWN_ATTRIBUTES: The UNKNOWN-ATTRIBUTES attribute as * defined by RFC5389 * @STUN_ATTRIBUTE_REFLECTED_FROM: The REFLECTED-FROM attribute as defined * by RFC3489 * @STUN_ATTRIBUTE_CHANNEL_NUMBER: The CHANNEL-NUMBER attribute as defined by * TURN draft 09 and 12 * @STUN_ATTRIBUTE_LIFETIME: The LIFETIME attribute as defined by TURN * draft 04, 09 and 12 * @STUN_ATTRIBUTE_MAGIC_COOKIE: The MAGIC-COOKIE attribute as defined by * the rosenberg-midcom TURN draft 08 * @STUN_ATTRIBUTE_BANDWIDTH: The BANDWIDTH attribute as defined by TURN draft 04 * @STUN_ATTRIBUTE_DESTINATION_ADDRESS: The DESTINATION-ADDRESS attribute as * defined by the rosenberg-midcom TURN draft 08 * @STUN_ATTRIBUTE_REMOTE_ADDRESS: The REMOTE-ADDRESS attribute as defined by * TURN draft 04 * @STUN_ATTRIBUTE_PEER_ADDRESS: The PEER-ADDRESS attribute as defined by * TURN draft 09 * @STUN_ATTRIBUTE_XOR_PEER_ADDRESS: The XOR-PEER-ADDRESS attribute as defined * by TURN draft 12 * @STUN_ATTRIBUTE_DATA: The DATA attribute as defined by TURN draft 04, * 09 and 12 * @STUN_ATTRIBUTE_REALM: The REALM attribute as defined by RFC5389 * @STUN_ATTRIBUTE_NONCE: The NONCE attribute as defined by RFC5389 * @STUN_ATTRIBUTE_RELAY_ADDRESS: The RELAY-ADDRESS attribute as defined by * TURN draft 04 * @STUN_ATTRIBUTE_RELAYED_ADDRESS: The RELAYED-ADDRESS attribute as defined by * TURN draft 09 * @STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS: The XOR-RELAYED-ADDRESS attribute as * defined by TURN draft 12 * @STUN_ATTRIBUTE_REQUESTED_ADDRESS_TYPE: The REQUESTED-ADDRESS-TYPE attribute * as defined by TURN-IPV6 draft 05 * @STUN_ATTRIBUTE_REQUESTED_PORT_PROPS: The REQUESTED-PORT-PROPS attribute * as defined by TURN draft 04 * @STUN_ATTRIBUTE_REQUESTED_PROPS: The REQUESTED-PROPS attribute as defined * by TURN draft 09 * @STUN_ATTRIBUTE_EVEN_PORT: The EVEN-PORT attribute as defined by TURN draft 12 * @STUN_ATTRIBUTE_REQUESTED_TRANSPORT: The REQUESTED-TRANSPORT attribute as * defined by TURN draft 12 * @STUN_ATTRIBUTE_DONT_FRAGMENT: The DONT-FRAGMENT attribute as defined * by TURN draft 12 * @STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS: The XOR-MAPPED-ADDRESS attribute as * defined by RFC5389 * @STUN_ATTRIBUTE_TIMER_VAL: The TIMER-VAL attribute as defined by TURN draft 04 * @STUN_ATTRIBUTE_REQUESTED_IP: The REQUESTED-IP attribute as defined by * TURN draft 04 * @STUN_ATTRIBUTE_RESERVATION_TOKEN: The RESERVATION-TOKEN attribute as defined * by TURN draft 09 and 12 * @STUN_ATTRIBUTE_CONNECT_STAT: The CONNECT-STAT attribute as defined by TURN * draft 04 * @STUN_ATTRIBUTE_PRIORITY: The PRIORITY attribute as defined by ICE draft 19 * @STUN_ATTRIBUTE_USE_CANDIDATE: The USE-CANDIDATE attribute as defined by * ICE draft 19 * @STUN_ATTRIBUTE_OPTIONS: The OPTIONS optional attribute as defined by * libjingle * @STUN_ATTRIBUTE_MS_VERSION: The MS-VERSION optional attribute as defined * by [MS-TURN] * @STUN_ATTRIBUTE_SOFTWARE: The SOFTWARE optional attribute as defined by RFC5389 * @STUN_ATTRIBUTE_ALTERNATE_SERVER: The ALTERNATE-SERVER optional attribute as * defined by RFC5389 * @STUN_ATTRIBUTE_FINGERPRINT: The FINGERPRINT optional attribute as defined * by RFC5389 * @STUN_ATTRIBUTE_ICE_CONTROLLED: The ICE-CONTROLLED optional attribute as * defined by ICE draft 19 * @STUN_ATTRIBUTE_ICE_CONTROLLING: The ICE-CONTROLLING optional attribute as * defined by ICE draft 19 * @STUN_ATTRIBUTE_MS_SEQUENCE_NUMBER: The MS-SEQUENCE NUMBER optional attribute * as defined by [MS-TURN] * @STUN_ATTRIBUTE_CANDIDATE_IDENTIFIER: The CANDIDATE-IDENTIFIER optional * attribute as defined by [MS-ICE2] * * Known STUN attribute types as defined by various RFCs and drafts */ /* Should be in sync with stun_is_unknown() */ typedef enum { /* Mandatory attributes */ /* 0x0000 */ /* reserved */ STUN_ATTRIBUTE_MAPPED_ADDRESS=0x0001, /* RFC5389 */ STUN_ATTRIBUTE_RESPONSE_ADDRESS=0x0002, /* old RFC3489 */ STUN_ATTRIBUTE_CHANGE_REQUEST=0x0003, /* old RFC3489 */ STUN_ATTRIBUTE_SOURCE_ADDRESS=0x0004, /* old RFC3489 */ STUN_ATTRIBUTE_CHANGED_ADDRESS=0x0005, /* old RFC3489 */ STUN_ATTRIBUTE_USERNAME=0x0006, /* RFC5389 */ STUN_ATTRIBUTE_PASSWORD=0x0007, /* old RFC3489 */ STUN_ATTRIBUTE_MESSAGE_INTEGRITY=0x0008, /* RFC5389 */ STUN_ATTRIBUTE_ERROR_CODE=0x0009, /* RFC5389 */ STUN_ATTRIBUTE_UNKNOWN_ATTRIBUTES=0x000A, /* RFC5389 */ STUN_ATTRIBUTE_REFLECTED_FROM=0x000B, /* old RFC3489 */ STUN_ATTRIBUTE_CHANNEL_NUMBER=0x000C, /* TURN-12 */ STUN_ATTRIBUTE_LIFETIME=0x000D, /* TURN-12 */ /* MS_ALTERNATE_SERVER is only used by Microsoft's dialect, probably should * not to be placed in STUN_ALL_KNOWN_ATTRIBUTES */ STUN_ATTRIBUTE_MS_ALTERNATE_SERVER=0x000E, /* MS-TURN */ STUN_ATTRIBUTE_MAGIC_COOKIE=0x000F, /* midcom-TURN 08 */ STUN_ATTRIBUTE_BANDWIDTH=0x0010, /* TURN-04 */ STUN_ATTRIBUTE_DESTINATION_ADDRESS=0x0011, /* midcom-TURN 08 */ STUN_ATTRIBUTE_REMOTE_ADDRESS=0x0012, /* TURN-04 */ STUN_ATTRIBUTE_PEER_ADDRESS=0x0012, /* TURN-09 */ STUN_ATTRIBUTE_XOR_PEER_ADDRESS=0x0012, /* TURN-12 */ STUN_ATTRIBUTE_DATA=0x0013, /* TURN-12 */ STUN_ATTRIBUTE_REALM=0x0014, /* RFC5389 */ STUN_ATTRIBUTE_NONCE=0x0015, /* RFC5389 */ STUN_ATTRIBUTE_RELAY_ADDRESS=0x0016, /* TURN-04 */ STUN_ATTRIBUTE_RELAYED_ADDRESS=0x0016, /* TURN-09 */ STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS=0x0016, /* TURN-12 */ STUN_ATTRIBUTE_REQUESTED_ADDRESS_TYPE=0x0017, /* TURN-IPv6-05 */ STUN_ATTRIBUTE_REQUESTED_PORT_PROPS=0x0018, /* TURN-04 */ STUN_ATTRIBUTE_REQUESTED_PROPS=0x0018, /* TURN-09 */ STUN_ATTRIBUTE_EVEN_PORT=0x0018, /* TURN-12 */ STUN_ATTRIBUTE_REQUESTED_TRANSPORT=0x0019, /* TURN-12 */ STUN_ATTRIBUTE_DONT_FRAGMENT=0x001A, /* TURN-12 */ /* 0x001B */ /* reserved */ /* 0x001C */ /* reserved */ /* 0x001D */ /* reserved */ /* 0x001E */ /* reserved */ /* 0x001F */ /* reserved */ STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS=0x0020, /* RFC5389 */ STUN_ATTRIBUTE_TIMER_VAL=0x0021, /* TURN-04 */ STUN_ATTRIBUTE_REQUESTED_IP=0x0022, /* TURN-04 */ STUN_ATTRIBUTE_RESERVATION_TOKEN=0x0022, /* TURN-09 */ STUN_ATTRIBUTE_CONNECT_STAT=0x0023, /* TURN-04 */ STUN_ATTRIBUTE_PRIORITY=0x0024, /* ICE-19 */ STUN_ATTRIBUTE_USE_CANDIDATE=0x0025, /* ICE-19 */ /* 0x0026 */ /* reserved */ /* 0x0027 */ /* reserved */ /* 0x0028 */ /* reserved */ /* 0x0029 */ /* reserved */ /* 0x002A-0x7fff */ /* reserved */ /* Optional attributes */ /* 0x8000-0x8021 */ /* reserved */ STUN_ATTRIBUTE_OPTIONS=0x8001, /* libjingle */ STUN_ATTRIBUTE_MS_VERSION=0x8008, /* MS-TURN */ STUN_ATTRIBUTE_SOFTWARE=0x8022, /* RFC5389 */ STUN_ATTRIBUTE_ALTERNATE_SERVER=0x8023, /* RFC5389 */ /* 0x8024 */ /* reserved */ /* 0x8025 */ /* reserved */ /* 0x8026 */ /* reserved */ /* 0x8027 */ /* reserved */ STUN_ATTRIBUTE_FINGERPRINT=0x8028, /* RFC5389 */ STUN_ATTRIBUTE_ICE_CONTROLLED=0x8029, /* ICE-19 */ STUN_ATTRIBUTE_ICE_CONTROLLING=0x802A, /* ICE-19 */ /* 0x802B-0x804F */ /* reserved */ STUN_ATTRIBUTE_MS_SEQUENCE_NUMBER=0x8050, /* MS-TURN */ /* 0x8051-0x8053 */ /* reserved */ STUN_ATTRIBUTE_CANDIDATE_IDENTIFIER=0x8054 /* MS-ICE2 */ /* 0x8055-0xFFFF */ /* reserved */ } StunAttribute; /** * STUN_ALL_KNOWN_ATTRIBUTES: * * An array containing all the currently known and defined mandatory attributes * from StunAttribute */ /* Should be in sync with StunAttribute */ static const uint16_t STUN_ALL_KNOWN_ATTRIBUTES[] = { STUN_ATTRIBUTE_MAPPED_ADDRESS, STUN_ATTRIBUTE_RESPONSE_ADDRESS, STUN_ATTRIBUTE_CHANGE_REQUEST, STUN_ATTRIBUTE_SOURCE_ADDRESS, STUN_ATTRIBUTE_CHANGED_ADDRESS, STUN_ATTRIBUTE_USERNAME, STUN_ATTRIBUTE_PASSWORD, STUN_ATTRIBUTE_MESSAGE_INTEGRITY, STUN_ATTRIBUTE_ERROR_CODE, STUN_ATTRIBUTE_UNKNOWN_ATTRIBUTES, STUN_ATTRIBUTE_REFLECTED_FROM, STUN_ATTRIBUTE_CHANNEL_NUMBER, STUN_ATTRIBUTE_LIFETIME, STUN_ATTRIBUTE_MAGIC_COOKIE, STUN_ATTRIBUTE_BANDWIDTH, STUN_ATTRIBUTE_DESTINATION_ADDRESS, STUN_ATTRIBUTE_REMOTE_ADDRESS, STUN_ATTRIBUTE_PEER_ADDRESS, STUN_ATTRIBUTE_XOR_PEER_ADDRESS, STUN_ATTRIBUTE_DATA, STUN_ATTRIBUTE_REALM, STUN_ATTRIBUTE_NONCE, STUN_ATTRIBUTE_RELAY_ADDRESS, STUN_ATTRIBUTE_RELAYED_ADDRESS, STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS, STUN_ATTRIBUTE_REQUESTED_ADDRESS_TYPE, STUN_ATTRIBUTE_REQUESTED_PORT_PROPS, STUN_ATTRIBUTE_REQUESTED_PROPS, STUN_ATTRIBUTE_EVEN_PORT, STUN_ATTRIBUTE_REQUESTED_TRANSPORT, STUN_ATTRIBUTE_DONT_FRAGMENT, STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS, STUN_ATTRIBUTE_TIMER_VAL, STUN_ATTRIBUTE_REQUESTED_IP, STUN_ATTRIBUTE_RESERVATION_TOKEN, STUN_ATTRIBUTE_CONNECT_STAT, STUN_ATTRIBUTE_PRIORITY, STUN_ATTRIBUTE_USE_CANDIDATE, 0 }; /** * STUN_MSOC_KNOWN_ATTRIBUTES: * * An array containing all the currently known mandatory attributes used by * Microsoft Office Communicator as defined in [MS-TURN] */ static const uint16_t STUN_MSOC_KNOWN_ATTRIBUTES[] = { STUN_ATTRIBUTE_MAPPED_ADDRESS, STUN_ATTRIBUTE_USERNAME, STUN_ATTRIBUTE_MESSAGE_INTEGRITY, STUN_ATTRIBUTE_ERROR_CODE, STUN_ATTRIBUTE_UNKNOWN_ATTRIBUTES, STUN_ATTRIBUTE_LIFETIME, STUN_ATTRIBUTE_MS_ALTERNATE_SERVER, STUN_ATTRIBUTE_MAGIC_COOKIE, STUN_ATTRIBUTE_BANDWIDTH, STUN_ATTRIBUTE_DESTINATION_ADDRESS, STUN_ATTRIBUTE_REMOTE_ADDRESS, STUN_ATTRIBUTE_DATA, /* REALM and NONCE have swapped hexadecimal IDs in [MS-TURN]. Libnice users * or developers can still use these enumeration values in their original * meanings from StunAttribute anywhere in the code, as stun_message_find() * and stun_message_append() will choose correct ID in MSOC compatibility * modes. */ STUN_ATTRIBUTE_NONCE, STUN_ATTRIBUTE_REALM, 0 }; /** * StunTransactionId: * * A type that holds a STUN transaction id. */ typedef uint8_t StunTransactionId[STUN_MESSAGE_TRANS_ID_LEN]; /** * StunError: * @STUN_ERROR_TRY_ALTERNATE: The ERROR-CODE value for the * "Try Alternate" error as defined in RFC5389 * @STUN_ERROR_BAD_REQUEST: The ERROR-CODE value for the * "Bad Request" error as defined in RFC5389 * @STUN_ERROR_UNAUTHORIZED: The ERROR-CODE value for the * "Unauthorized" error as defined in RFC5389 * @STUN_ERROR_UNKNOWN_ATTRIBUTE: The ERROR-CODE value for the * "Unknown Attribute" error as defined in RFC5389 * @STUN_ERROR_ALLOCATION_MISMATCH:The ERROR-CODE value for the * "Allocation Mismatch" error as defined in TURN draft 12. * Equivalent to the "No Binding" error defined in TURN draft 04. * @STUN_ERROR_STALE_NONCE: The ERROR-CODE value for the * "Stale Nonce" error as defined in RFC5389 * @STUN_ERROR_ACT_DST_ALREADY: The ERROR-CODE value for the * "Active Destination Already Set" error as defined in TURN draft 04. * @STUN_ERROR_UNSUPPORTED_FAMILY: The ERROR-CODE value for the * "Address Family not Supported" error as defined in TURN IPV6 Draft 05. * @STUN_ERROR_WRONG_CREDENTIALS: The ERROR-CODE value for the * "Wrong Credentials" error as defined in TURN Draft 12. * @STUN_ERROR_UNSUPPORTED_TRANSPORT:he ERROR-CODE value for the * "Unsupported Transport Protocol" error as defined in TURN Draft 12. * @STUN_ERROR_INVALID_IP: The ERROR-CODE value for the * "Invalid IP Address" error as defined in TURN draft 04. * @STUN_ERROR_INVALID_PORT: The ERROR-CODE value for the * "Invalid Port" error as defined in TURN draft 04. * @STUN_ERROR_OP_TCP_ONLY: The ERROR-CODE value for the * "Operation for TCP Only" error as defined in TURN draft 04. * @STUN_ERROR_CONN_ALREADY: The ERROR-CODE value for the * "Connection Already Exists" error as defined in TURN draft 04. * @STUN_ERROR_ALLOCATION_QUOTA_REACHED: The ERROR-CODE value for the * "Allocation Quota Reached" error as defined in TURN draft 12. * @STUN_ERROR_ROLE_CONFLICT:The ERROR-CODE value for the * "Role Conflict" error as defined in ICE draft 19. * @STUN_ERROR_SERVER_ERROR: The ERROR-CODE value for the * "Server Error" error as defined in RFC5389 * @STUN_ERROR_SERVER_CAPACITY: The ERROR-CODE value for the * "Insufficient Capacity" error as defined in TURN draft 04. * @STUN_ERROR_INSUFFICIENT_CAPACITY: The ERROR-CODE value for the * "Insufficient Capacity" error as defined in TURN draft 12. * @STUN_ERROR_MAX: The maximum possible ERROR-CODE value as defined by RFC 5389. * * STUN error codes as defined by various RFCs and drafts */ /* Should be in sync with stun_strerror() */ typedef enum { STUN_ERROR_TRY_ALTERNATE=300, /* RFC5389 */ STUN_ERROR_BAD_REQUEST=400, /* RFC5389 */ STUN_ERROR_UNAUTHORIZED=401, /* RFC5389 */ STUN_ERROR_UNKNOWN_ATTRIBUTE=420, /* RFC5389 */ STUN_ERROR_ALLOCATION_MISMATCH=437, /* TURN-12 */ STUN_ERROR_STALE_NONCE=438, /* RFC5389 */ STUN_ERROR_ACT_DST_ALREADY=439, /* TURN-04 */ STUN_ERROR_UNSUPPORTED_FAMILY=440, /* TURN-IPv6-05 */ STUN_ERROR_WRONG_CREDENTIALS=441, /* TURN-12 */ STUN_ERROR_UNSUPPORTED_TRANSPORT=442, /* TURN-12 */ STUN_ERROR_INVALID_IP=443, /* TURN-04 */ STUN_ERROR_INVALID_PORT=444, /* TURN-04 */ STUN_ERROR_OP_TCP_ONLY=445, /* TURN-04 */ STUN_ERROR_CONN_ALREADY=446, /* TURN-04 */ STUN_ERROR_ALLOCATION_QUOTA_REACHED=486, /* TURN-12 */ STUN_ERROR_ROLE_CONFLICT=487, /* ICE-19 */ STUN_ERROR_SERVER_ERROR=500, /* RFC5389 */ STUN_ERROR_SERVER_CAPACITY=507, /* TURN-04 */ STUN_ERROR_INSUFFICIENT_CAPACITY=508, /* TURN-12 */ STUN_ERROR_MAX=699 } StunError; /** * StunMessageReturn: * @STUN_MESSAGE_RETURN_SUCCESS: The operation was successful * @STUN_MESSAGE_RETURN_NOT_FOUND: The attribute was not found * @STUN_MESSAGE_RETURN_INVALID: The argument or data is invalid * @STUN_MESSAGE_RETURN_NOT_ENOUGH_SPACE: There is not enough space in the * message to append data to it, or not enough in an argument to fill it with * the data requested. * @STUN_MESSAGE_RETURN_UNSUPPORTED_ADDRESS: The address in the arguments or in * the STUN message is not supported. * * The return value of most stun_message_* functions. * This enum will report on whether an operation was successful or not * and what error occured if any. */ typedef enum { STUN_MESSAGE_RETURN_SUCCESS, STUN_MESSAGE_RETURN_NOT_FOUND, STUN_MESSAGE_RETURN_INVALID, STUN_MESSAGE_RETURN_NOT_ENOUGH_SPACE, STUN_MESSAGE_RETURN_UNSUPPORTED_ADDRESS } StunMessageReturn; #include "stunagent.h" /** * STUN_MAX_MESSAGE_SIZE: * * The Maximum size of a STUN message */ #define STUN_MAX_MESSAGE_SIZE 65552 /** * StunMessage: * @agent: The agent that created or validated this message * @buffer: The buffer containing the STUN message * @buffer_len: The length of the buffer (not the size of the message) * @key: The short term credentials key to use for authentication validation * or that was used to finalize this message * @key_len: The length of the associated key * @long_term_key: The long term credential key to use for authentication * validation or that was used to finalize this message * @long_term_valid: Whether or not the #long_term_key variable contains valid * data * * This structure represents a STUN message */ struct _StunMessage { StunAgent *agent; uint8_t *buffer; size_t buffer_len; uint8_t *key; size_t key_len; uint8_t long_term_key[16]; bool long_term_valid; }; /** * stun_message_init: * @msg: The #StunMessage to initialize * @c: STUN message class (host byte order) * @m: STUN message method (host byte order) * @id: 16-bytes transaction ID * * Initializes a STUN message buffer, with no attributes. * Returns: %TRUE if the initialization was successful */ bool stun_message_init (StunMessage *msg, StunClass c, StunMethod m, const StunTransactionId id); /** * stun_message_length: * @msg: The #StunMessage * * Get the length of the message (including the header) * * Returns: The length of the message */ uint16_t stun_message_length (const StunMessage *msg); /** * stun_message_find: * @msg: The #StunMessage * @type: The #StunAttribute to find * @palen: A pointer to store the length of the attribute * * Finds an attribute in a STUN message and fetches its content * * Returns: A pointer to the start of the attribute payload if found, * otherwise NULL. */ const void * stun_message_find (const StunMessage * msg, StunAttribute type, uint16_t *palen); /** * stun_message_find_flag: * @msg: The #StunMessage * @type: The #StunAttribute to find * * Looks for a flag attribute within a valid STUN message. * * Returns: A #StunMessageReturn value. * %STUN_MESSAGE_RETURN_INVALID is returned if the attribute's size is not zero. */ StunMessageReturn stun_message_find_flag (const StunMessage *msg, StunAttribute type); /** * stun_message_find32: * @msg: The #StunMessage * @type: The #StunAttribute to find * @pval: A pointer where to store the value (host byte order) * * Extracts a 32-bits attribute from a STUN message. * * Returns: A #StunMessageReturn value. * %STUN_MESSAGE_RETURN_INVALID is returned if the attribute's size is not * 4 bytes. */ StunMessageReturn stun_message_find32 (const StunMessage *msg, StunAttribute type, uint32_t *pval); /** * stun_message_find64: * @msg: The #StunMessage * @type: The #StunAttribute to find * @pval: A pointer where to store the value (host byte order) * * Extracts a 64-bits attribute from a STUN message. * * Returns: A #StunMessageReturn value. * %STUN_MESSAGE_RETURN_INVALID is returned if the attribute's size is not * 8 bytes. */ StunMessageReturn stun_message_find64 (const StunMessage *msg, StunAttribute type, uint64_t *pval); /** * stun_message_find_string: * @msg: The #StunMessage * @type: The #StunAttribute to find * @buf: A pointer where to store the data * @buflen: The length of the buffer * * Extracts an UTF-8 string from a valid STUN message. * * Returns: A #StunMessageReturn value. * %STUN_MESSAGE_RETURN_INVALID is returned if the attribute is improperly * encoded * %STUN_MESSAGE_RETURN_NOT_ENOUGH_SPACE is return if the buffer size is too * small to hold the string * The string will be NULL-terminated. * */ StunMessageReturn stun_message_find_string (const StunMessage *msg, StunAttribute type, char *buf, size_t buflen); /** * stun_message_find_addr: * @msg: The #StunMessage * @type: The #StunAttribute to find * @addr: The #sockaddr to be filled * @addrlen: The size of the @addr variable. Must be set to the size of the * @addr socket address and will be set to the size of the extracted socket * address. * * Extracts a network address attribute from a STUN message. * * Returns: A #StunMessageReturn value. * %STUN_MESSAGE_RETURN_INVALID is returned if the attribute payload size is * wrong or if the @addrlen is too small * %STUN_MESSAGE_RETURN_UNSUPPORTED_ADDRESS if the address family is unknown. */ StunMessageReturn stun_message_find_addr (const StunMessage *msg, StunAttribute type, struct sockaddr *addr, socklen_t *addrlen); /** * stun_message_find_xor_addr: * @msg: The #StunMessage * @type: The #StunAttribute to find * @addr: The #sockaddr to be filled * @addrlen: The size of the @addr variable. Must be set to the size of the * @addr socket address and will be set to the size of the * extracted socket address. * * Extracts an obfuscated network address attribute from a STUN message. * * Returns: A #StunMessageReturn value. * %STUN_MESSAGE_RETURN_INVALID is returned if the attribute payload size is * wrong or if the @addrlen is too small * %STUN_MESSAGE_RETURN_UNSUPPORTED_ADDRESS if the address family is unknown. */ StunMessageReturn stun_message_find_xor_addr (const StunMessage *msg, StunAttribute type, struct sockaddr *addr, socklen_t *addrlen); /** * stun_message_find_xor_addr_full: * @msg: The #StunMessage * @type: The #StunAttribute to find * @addr: The #sockaddr to be filled * @addrlen: The size of the @addr variable. Must be set to the size of the * @addr socket address and will be set to the size of the * extracted socket address. * @magic_cookie: The magic cookie to use to XOR the address. * * Extracts an obfuscated network address attribute from a STUN message. * * Returns: A #StunMessageReturn value. * %STUN_MESSAGE_RETURN_INVALID is returned if the attribute payload size is * wrong or if the @addrlen is too small * %STUN_MESSAGE_RETURN_UNSUPPORTED_ADDRESS if the address family is unknown. */ StunMessageReturn stun_message_find_xor_addr_full (const StunMessage *msg, StunAttribute type, struct sockaddr *addr, socklen_t *addrlen, uint32_t magic_cookie); /** * stun_message_find_error: * @msg: The #StunMessage * @code: A pointer where to store the value * * Extract the error response code from a STUN message * * Returns: A #StunMessageReturn value. * %STUN_MESSAGE_RETURN_INVALID is returned if the value is invalid */ StunMessageReturn stun_message_find_error (const StunMessage *msg, int *code); /** * stun_message_append: * @msg: The #StunMessage * @type: The #StunAttribute to append * @length: The length of the attribute * * Reserves room for appending an attribute to an unfinished STUN message. * * Returns: A pointer to an unitialized buffer of @length bytes to * where the attribute payload must be written, or NULL if there is not * enough room in the STUN message buffer. */ void *stun_message_append (StunMessage *msg, StunAttribute type, size_t length); /** * stun_message_append_bytes: * @msg: The #StunMessage * @type: The #StunAttribute to append * @data: The data to append * @len: The length of the attribute * * Appends a binary value to a STUN message * * Returns: A #StunMessageReturn value. */ StunMessageReturn stun_message_append_bytes (StunMessage *msg, StunAttribute type, const void *data, size_t len); /** * stun_message_append_flag: * @msg: The #StunMessage * @type: The #StunAttribute to append * * Appends an empty flag attribute to a STUN message * * Returns: A #StunMessageReturn value. */ StunMessageReturn stun_message_append_flag (StunMessage *msg, StunAttribute type); /** * stun_message_append32: * @msg: The #StunMessage * @type: The #StunAttribute to append * @value: The value to append (host byte order) * * Appends a 32-bits value attribute to a STUN message * * Returns: A #StunMessageReturn value. */ StunMessageReturn stun_message_append32 (StunMessage *msg, StunAttribute type, uint32_t value); /** * stun_message_append64: * @msg: The #StunMessage * @type: The #StunAttribute to append * @value: The value to append (host byte order) * * Appends a 64-bits value attribute to a STUN message * * Returns: A #StunMessageReturn value. */ StunMessageReturn stun_message_append64 (StunMessage *msg, StunAttribute type, uint64_t value); /** * stun_message_append_string: * @msg: The #StunMessage * @type: The #StunAttribute to append * @str: The string to append * * Adds an attribute from a NULL-terminated string to a STUN message * * Returns: A #StunMessageReturn value. */ StunMessageReturn stun_message_append_string (StunMessage *msg, StunAttribute type, const char *str); /** * stun_message_append_addr: * @msg: The #StunMessage * @type: The #StunAttribute to append * @addr: The #sockaddr to be append * @addrlen: The size of the @addr variable. * * Append a network address attribute to a STUN message * * Returns: A #StunMessageReturn value. * %STUN_MESSAGE_RETURN_INVALID is returned if the @addrlen is too small * %STUN_MESSAGE_RETURN_UNSUPPORTED_ADDRESS if the address family is unknown. */ StunMessageReturn stun_message_append_addr (StunMessage * msg, StunAttribute type, const struct sockaddr *addr, socklen_t addrlen); /** * stun_message_append_xor_addr: * @msg: The #StunMessage * @type: The #StunAttribute to append * @addr: The #sockaddr to be append * @addrlen: The size of the @addr variable. * * Append an obfuscated network address attribute to a STUN message * * Returns: A #StunMessageReturn value. * %STUN_MESSAGE_RETURN_INVALID is returned if the @addrlen is too small * %STUN_MESSAGE_RETURN_UNSUPPORTED_ADDRESS if the address family is unknown. */ StunMessageReturn stun_message_append_xor_addr (StunMessage * msg, StunAttribute type, const struct sockaddr *addr, socklen_t addrlen); /** * stun_message_append_xor_addr_full: * @msg: The #StunMessage * @type: The #StunAttribute to append * @addr: The #sockaddr to be append * @addrlen: The size of the @addr variable. * @magic_cookie: The magic cookie to use to XOR the address. * * Append an obfuscated network address attribute from a STUN message. * * Returns: A #StunMessageReturn value. * %STUN_MESSAGE_RETURN_INVALID is returned if the @addrlen is too small * %STUN_MESSAGE_RETURN_UNSUPPORTED_ADDRESS if the address family is unknown. */ StunMessageReturn stun_message_append_xor_addr_full (StunMessage * msg, StunAttribute type, const struct sockaddr *addr, socklen_t addrlen, uint32_t magic_cookie); /** * stun_message_append_error: * @msg: The #StunMessage * @code: The error code value * * Appends the ERROR-CODE attribute to the STUN message and fills it according * to #code * * Returns: A #StunMessageReturn value. */ StunMessageReturn stun_message_append_error (StunMessage * msg, StunError code); /** * STUN_MESSAGE_BUFFER_INCOMPLETE: * * Convenience macro for stun_message_validate_buffer_length() meaning that the * data to validate does not hold a complete STUN message */ #define STUN_MESSAGE_BUFFER_INCOMPLETE 0 /** * STUN_MESSAGE_BUFFER_INVALID: * * Convenience macro for stun_message_validate_buffer_length() meaning that the * data to validate is not a valid STUN message */ #define STUN_MESSAGE_BUFFER_INVALID -1 /** * stun_message_validate_buffer_length: * @msg: The buffer to validate * @length: The length of the buffer * @has_padding: Set TRUE if attributes should be padded to multiple of 4 bytes * * This function will take a data buffer and will try to validate whether it is * a STUN message or if it's not or if it's an incomplete STUN message and will * provide us with the length of the STUN message. * * Returns: The length of the valid STUN message in the buffer. * See also: #STUN_MESSAGE_BUFFER_INCOMPLETE * See also: #STUN_MESSAGE_BUFFER_INVALID */ int stun_message_validate_buffer_length (const uint8_t *msg, size_t length, bool has_padding); /** * stun_message_id: * @msg: The #StunMessage * @id: The #StunTransactionId to fill * * Retreive the STUN transaction id from a STUN message */ void stun_message_id (const StunMessage *msg, StunTransactionId id); /** * stun_message_get_class: * @msg: The #StunMessage * * Retreive the STUN class from a STUN message * * Returns: The #StunClass */ StunClass stun_message_get_class (const StunMessage *msg); /** * stun_message_get_method: * @msg: The #StunMessage * * Retreive the STUN method from a STUN message * * Returns: The #StunMethod */ StunMethod stun_message_get_method (const StunMessage *msg); /** * stun_message_has_attribute: * @msg: The #StunMessage * @type: The #StunAttribute to look for * * Checks if an attribute is present within a STUN message. * * Returns: %TRUE if the attribute is found, %FALSE otherwise */ bool stun_message_has_attribute (const StunMessage *msg, StunAttribute type); /* Defined in stun5389.c */ /** * stun_message_has_cookie: * @msg: The #StunMessage * * Checks if the STUN message has a RFC5389 compatible cookie * * Returns: %TRUE if the cookie is present, %FALSE otherwise */ bool stun_message_has_cookie (const StunMessage *msg); /** * stun_optional: * @t: An attribute type * * Helper function that checks whether a STUN attribute is a mandatory * or an optional attribute * * Returns: %TRUE if the attribute is an optional one */ bool stun_optional (uint16_t t); /** * stun_strerror: * @code: host-byte order error code * * Transforms a STUN error-code into a human readable string * * Returns: A static pointer to a NULL-terminated error message string. */ const char *stun_strerror (StunError code); #endif /* _STUN_MESSAGE_H */ libnice-0.1.4/docs/0000775000175000017500000000000012112010566011046 500000000000000libnice-0.1.4/docs/Makefile.in0000664000175000017500000004373612112006557013055 00000000000000# Makefile.in generated by automake 1.11.6 from Makefile.am. # @configure_input@ # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, # 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software # Foundation, Inc. # This Makefile.in is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; 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Libnice helper functions

Debug messages — Debug messages utility functions
Network interfaces discovery — Utility functions to discover local network interfaces
Generated by GTK-Doc V1.18
libnice-0.1.4/docs/reference/libnice/html/NiceAgent.html0000664000175000017500000050374312112010566020034 00000000000000 NiceAgent

NiceAgent

NiceAgent — ICE agent API implementation

Stability Level

Stable, unless otherwise indicated

Synopsis

#include <agent.h>

                    NiceAgent;
enum                NiceComponentState;
enum                NiceComponentType;
enum                NiceProxyType;
enum                NiceCompatibility;
void                (*NiceAgentRecvFunc)                (NiceAgent *agent,
                                                         guint stream_id,
                                                         guint component_id,
                                                         guint len,
                                                         gchar *buf,
                                                         gpointer user_data);
#define             NICE_AGENT_MAX_REMOTE_CANDIDATES
NiceAgent *         nice_agent_new                      (GMainContext *ctx,
                                                         NiceCompatibility compat);
NiceAgent *         nice_agent_new_reliable             (GMainContext *ctx,
                                                         NiceCompatibility compat);
gboolean            nice_agent_add_local_address        (NiceAgent *agent,
                                                         NiceAddress *addr);
void                nice_agent_set_port_range           (NiceAgent *agent,
                                                         guint stream_id,
                                                         guint component_id,
                                                         guint min_port,
                                                         guint max_port);
guint               nice_agent_add_stream               (NiceAgent *agent,
                                                         guint n_components);
void                nice_agent_remove_stream            (NiceAgent *agent,
                                                         guint stream_id);
gboolean            nice_agent_set_relay_info           (NiceAgent *agent,
                                                         guint stream_id,
                                                         guint component_id,
                                                         const gchar *server_ip,
                                                         guint server_port,
                                                         const gchar *username,
                                                         const gchar *password,
                                                         NiceRelayType type);
gboolean            nice_agent_gather_candidates        (NiceAgent *agent,
                                                         guint stream_id);
gboolean            nice_agent_set_remote_credentials   (NiceAgent *agent,
                                                         guint stream_id,
                                                         const gchar *ufrag,
                                                         const gchar *pwd);
gboolean            nice_agent_get_local_credentials    (NiceAgent *agent,
                                                         guint stream_id,
                                                         gchar **ufrag,
                                                         gchar **pwd);
int                 nice_agent_set_remote_candidates    (NiceAgent *agent,
                                                         guint stream_id,
                                                         guint component_id,
                                                         const GSList *candidates);
GSList *            nice_agent_get_remote_candidates    (NiceAgent *agent,
                                                         guint stream_id,
                                                         guint component_id);
GSList *            nice_agent_get_local_candidates     (NiceAgent *agent,
                                                         guint stream_id,
                                                         guint component_id);
gboolean            nice_agent_get_selected_pair        (NiceAgent *agent,
                                                         guint stream_id,
                                                         guint component_id,
                                                         NiceCandidate **local,
                                                         NiceCandidate **remote);
gint                nice_agent_send                     (NiceAgent *agent,
                                                         guint stream_id,
                                                         guint component_id,
                                                         guint len,
                                                         const gchar *buf);
gboolean            nice_agent_attach_recv              (NiceAgent *agent,
                                                         guint stream_id,
                                                         guint component_id,
                                                         GMainContext *ctx,
                                                         NiceAgentRecvFunc func,
                                                         gpointer data);
gboolean            nice_agent_set_selected_pair        (NiceAgent *agent,
                                                         guint stream_id,
                                                         guint component_id,
                                                         const gchar *lfoundation,
                                                         const gchar *rfoundation);
gboolean            nice_agent_set_selected_remote_candidate
                                                        (NiceAgent *agent,
                                                         guint stream_id,
                                                         guint component_id,
                                                         NiceCandidate *candidate);
void                nice_agent_set_stream_tos           (NiceAgent *agent,
                                                         guint stream_id,
                                                         gint tos);
void                nice_agent_set_software             (NiceAgent *agent,
                                                         const gchar *software);
gboolean            nice_agent_restart                  (NiceAgent *agent);
gboolean            nice_agent_set_stream_name          (NiceAgent *agent,
                                                         guint stream_id,
                                                         const gchar *name);
const gchar *       nice_agent_get_stream_name          (NiceAgent *agent,
                                                         guint stream_id);
NiceCandidate *     nice_agent_get_default_local_candidate
                                                        (NiceAgent *agent,
                                                         guint stream_id,
                                                         guint component_id);
gchar *             nice_agent_generate_local_sdp       (NiceAgent *agent);
gchar *             nice_agent_generate_local_stream_sdp
                                                        (NiceAgent *agent,
                                                         guint stream_id,
                                                         gboolean include_non_ice);
gchar *             nice_agent_generate_local_candidate_sdp
                                                        (NiceAgent *agent,
                                                         NiceCandidate *candidate);
int                 nice_agent_parse_remote_sdp         (NiceAgent *agent,
                                                         const gchar *sdp);
GSList *            nice_agent_parse_remote_stream_sdp  (NiceAgent *agent,
                                                         guint stream_id,
                                                         const gchar *sdp,
                                                         gchar **ufrag,
                                                         gchar **pwd);
NiceCandidate *     nice_agent_parse_remote_candidate_sdp
                                                        (NiceAgent *agent,
                                                         guint stream_id,
                                                         const gchar *sdp);

Object Hierarchy

  GObject
   +----NiceAgent

Properties

  "compatibility"            guint                 : Read / Write / Construct Only
  "controlling-mode"         gboolean              : Read / Write
  "full-mode"                gboolean              : Read / Write / Construct Only
  "main-context"             gpointer              : Read / Write / Construct Only
  "max-connectivity-checks"  guint                 : Read / Write
  "proxy-ip"                 gchar*                : Read / Write
  "proxy-password"           gchar*                : Read / Write
  "proxy-port"               guint                 : Read / Write
  "proxy-type"               guint                 : Read / Write
  "proxy-username"           gchar*                : Read / Write
  "reliable"                 gboolean              : Read / Write / Construct Only
  "stun-pacing-timer"        guint                 : Read / Write / Construct Only
  "stun-server"              gchar*                : Read / Write
  "stun-server-port"         guint                 : Read / Write
  "upnp"                     gboolean              : Read / Write / Construct
  "upnp-timeout"             guint                 : Read / Write / Construct

Signals

  "candidate-gathering-done"                       : Run Last
  "component-state-changed"                        : Run Last
  "initial-binding-request-received"               : Run Last
  "new-candidate"                                  : Run Last
  "new-remote-candidate"                           : Run Last
  "new-selected-pair"                              : Run Last
  "reliable-transport-writable"                    : Run Last

Description

The NiceAgent is your main object when using libnice. It is the agent that will take care of everything relating to ICE. It will take care of discovering your local candidates and do connectivity checks to create a stream of data between you and your peer.

Example 1. Simple example on how to use libnice

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guint stream_id;
gchar buffer[] = "hello world!";
GSList *lcands = NULL;

// Create a nice agent
NiceAgent *agent = nice_agent_new (NULL, NICE_COMPATIBILITY_RFC5245);

// Connect the signals
g_signal_connect (G_OBJECT (agent), "candidate-gathering-done",
                  G_CALLBACK (cb_candidate_gathering_done), NULL);
g_signal_connect (G_OBJECT (agent), "component-state-changed",
                  G_CALLBACK (cb_component_state_changed), NULL);
g_signal_connect (G_OBJECT (agent), "new-selected-pair",
                  G_CALLBACK (cb_new_selected_pair), NULL);

// Create a new stream with one component and start gathering candidates
stream_id = nice_agent_add_stream (agent, 1);
nice_agent_gather_candidates (agent, stream_id);

// Attach to the component to receive the data
nice_agent_attach_recv (agent, stream_id, 1, NULL,
                       cb_nice_recv, NULL);

// ... Wait until the signal candidate-gathering-done is fired ...
lcands = nice_agent_get_local_candidates(agent, stream_id, 1);

// ... Send local candidates to the peer and set the peer's remote candidates
nice_agent_set_remote_candidates (agent, stream_id, 1, rcands);

// ... Wait until the signal new-selected-pair is fired ...
// Send our message!
nice_agent_send (agent, stream_id, 1, sizeof(buffer), buffer);

// Anything received will be received through the cb_nice_recv callback

// Destroy the object
g_object_unref(agent);


Refer to the examples in the examples/ subdirectory of the libnice source for complete examples.

Details

NiceAgent

typedef struct _NiceAgent NiceAgent;

The NiceAgent is the main GObject of the libnice library and represents the ICE agent.

enum NiceComponentState

typedef enum {
  NICE_COMPONENT_STATE_DISCONNECTED,
  NICE_COMPONENT_STATE_GATHERING,
  NICE_COMPONENT_STATE_CONNECTING,
  NICE_COMPONENT_STATE_CONNECTED,
  NICE_COMPONENT_STATE_READY,
  NICE_COMPONENT_STATE_FAILED,
  NICE_COMPONENT_STATE_LAST
} NiceComponentState;

An enum representing the state of a component.

See also: "component-state-changed"

NICE_COMPONENT_STATE_DISCONNECTED

 No activity scheduled

NICE_COMPONENT_STATE_GATHERING

 Gathering local candidates

NICE_COMPONENT_STATE_CONNECTING

 Establishing connectivity

NICE_COMPONENT_STATE_CONNECTED

 At least one working candidate pair

NICE_COMPONENT_STATE_READY

 ICE concluded, candidate pair selection is now final

NICE_COMPONENT_STATE_FAILED

 Connectivity checks have been completed, but connectivity was not established

NICE_COMPONENT_STATE_LAST

 Dummy state

enum NiceComponentType

typedef enum {
  NICE_COMPONENT_TYPE_RTP = 1,
  NICE_COMPONENT_TYPE_RTCP = 2
} NiceComponentType;

Convenience enum representing the type of a component for use as the component_id for RTP/RTCP usages.

Example 2. Example of use.

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nice_agent_send (agent, stream_id, NICE_COMPONENT_TYPE_RTP, len, buf);


NICE_COMPONENT_TYPE_RTP

 RTP Component type

NICE_COMPONENT_TYPE_RTCP

 RTCP Component type

enum NiceProxyType

typedef enum {
  NICE_PROXY_TYPE_NONE = 0,
  NICE_PROXY_TYPE_SOCKS5,
  NICE_PROXY_TYPE_HTTP,
  NICE_PROXY_TYPE_LAST = NICE_PROXY_TYPE_HTTP,
} NiceProxyType;

An enum to specify which proxy type to use for relaying. Note that the proxies will only be used with TCP TURN relaying.

See also: "proxy-type"

NICE_PROXY_TYPE_NONE

 Do not use a proxy

NICE_PROXY_TYPE_SOCKS5

 Use a SOCKS5 proxy

NICE_PROXY_TYPE_HTTP

 Use an HTTP proxy

NICE_PROXY_TYPE_LAST

 Dummy last proxy type

Since 0.0.4

enum NiceCompatibility

typedef enum {
  NICE_COMPATIBILITY_RFC5245 = 0,
  NICE_COMPATIBILITY_GOOGLE,
  NICE_COMPATIBILITY_MSN,
  NICE_COMPATIBILITY_WLM2009,
  NICE_COMPATIBILITY_OC2007,
  NICE_COMPATIBILITY_OC2007R2,
  NICE_COMPATIBILITY_DRAFT19 = NICE_COMPATIBILITY_RFC5245,
  NICE_COMPATIBILITY_LAST = NICE_COMPATIBILITY_OC2007R2,
} NiceCompatibility;

An enum to specify which compatible specifications the NiceAgent should use. Use with nice_agent_new()

Warning

NICE_COMPATIBILITY_DRAFT19 is deprecated and should not be used in newly-written code. It is kept for compatibility reasons and represents the same compatibility as NICE_COMPATIBILITY_RFC5245

NICE_COMPATIBILITY_RFC5245

 Use compatibility with the RFC5245 ICE specs

NICE_COMPATIBILITY_GOOGLE

 Use compatibility for Google Talk specs

NICE_COMPATIBILITY_MSN

 Use compatibility for MSN Messenger specs

NICE_COMPATIBILITY_WLM2009

 Use compatibility with Windows Live Messenger 2009

NICE_COMPATIBILITY_OC2007

 Use compatibility with Microsoft Office Communicator 2007

NICE_COMPATIBILITY_OC2007R2

 Use compatibility with Microsoft Office Communicator 2007 R2

NICE_COMPATIBILITY_DRAFT19

 Use compatibility for ICE Draft 19 specs

NICE_COMPATIBILITY_LAST

 Dummy last compatibility mode

NiceAgentRecvFunc ()

void                (*NiceAgentRecvFunc)                (NiceAgent *agent,
                                                         guint stream_id,
                                                         guint component_id,
                                                         guint len,
                                                         gchar *buf,
                                                         gpointer user_data);

Callback function when data is received on a component

agent :

 The NiceAgent Object

stream_id :

 The id of the stream

component_id :

 The id of the component of the stream which received the data

len :

 The length of the data

buf :

 The buffer containing the data received

user_data :

 The user data set in nice_agent_attach_recv()

NICE_AGENT_MAX_REMOTE_CANDIDATES

#define NICE_AGENT_MAX_REMOTE_CANDIDATES    25

A hard limit for the number of remote candidates. This limit is enforced to protect against malevolent remote clients.

nice_agent_new ()

NiceAgent *         nice_agent_new                      (GMainContext *ctx,
                                                         NiceCompatibility compat);

Create a new NiceAgent. The returned object must be freed with g_object_unref()

ctx :

 The Glib Mainloop Context to use for timers

compat :

 The compatibility mode of the agent

Returns :

 The new agent GObject

nice_agent_new_reliable ()

NiceAgent *         nice_agent_new_reliable             (GMainContext *ctx,
                                                         NiceCompatibility compat);

Create a new NiceAgent in reliable mode, which uses PseudoTcpSocket to assure reliability of the messages. The returned object must be freed with g_object_unref()

See also: "reliable-transport-writable"

ctx :

 The Glib Mainloop Context to use for timers

compat :

 The compatibility mode of the agent

Returns :

 The new agent GObject

Since 0.0.11

nice_agent_add_local_address ()

gboolean            nice_agent_add_local_address        (NiceAgent *agent,
                                                         NiceAddress *addr);

Add a local address from which to derive local host candidates for candidate gathering.

Since 0.0.5, if this method is not called, libnice will automatically discover the local addresses available

See also: nice_agent_gather_candidates()

agent :

 The NiceAgent Object

addr :

 The address to listen to If the port is 0, then a random port will be chosen by the system

Returns :

 TRUE on success, FALSE on fatal (memory allocation) errors

nice_agent_set_port_range ()

void                nice_agent_set_port_range           (NiceAgent *agent,
                                                         guint stream_id,
                                                         guint component_id,
                                                         guint min_port,
                                                         guint max_port);

Sets a preferred port range for allocating host candidates.

If a local host candidate cannot be created on that port range, then the nice_agent_gather_candidates() call will fail.

This MUST be called before nice_agent_gather_candidates()

agent :

 The NiceAgent Object

stream_id :

 The ID of the stream

component_id :

 The ID of the component

min_port :

 The minimum port to use

max_port :

 The maximum port to use

nice_agent_add_stream ()

guint               nice_agent_add_stream               (NiceAgent *agent,
                                                         guint n_components);

Adds a data stream to agent containing n_components components.

agent :

 The NiceAgent Object

n_components :

 The number of components to add to the stream

Returns :

 The ID of the new stream, 0 on failure

nice_agent_remove_stream ()

void                nice_agent_remove_stream            (NiceAgent *agent,
                                                         guint stream_id);

Remove and free a previously created data stream from agent

agent :

 The NiceAgent Object

stream_id :

 The ID of the stream to remove

nice_agent_set_relay_info ()

gboolean            nice_agent_set_relay_info           (NiceAgent *agent,
                                                         guint stream_id,
                                                         guint component_id,
                                                         const gchar *server_ip,
                                                         guint server_port,
                                                         const gchar *username,
                                                         const gchar *password,
                                                         NiceRelayType type);

Sets the settings for using a relay server during the candidate discovery.

agent :

 The NiceAgent Object

stream_id :

 The ID of the stream

component_id :

 The ID of the component

server_ip :

 The IP address of the TURN server

server_port :

 The port of the TURN server

username :

 The TURN username to use for the allocate

password :

 The TURN password to use for the allocate

type :

 The type of relay to use

Returns :

 TRUE if the TURN settings were accepted. FALSE if the address was invalid.

nice_agent_gather_candidates ()

gboolean            nice_agent_gather_candidates        (NiceAgent *agent,
                                                         guint stream_id);

Start the candidate gathering process. Once done, "candidate-gathering-done" is called for the stream

See also: nice_agent_add_local_address()

See also: nice_agent_set_port_range()

agent :

 The NiceAgent Object

stream_id :

 The id of the stream to start

Returns :

 FALSE if the stream id is invalid or if a host candidate couldn't be allocated on the requested interfaces/ports.

Note

Local addresses can be previously set with nice_agent_add_local_address()

Since 0.0.5, If no local address was previously added, then the nice agent will automatically detect the local address using nice_interfaces_get_local_ips()

nice_agent_set_remote_credentials ()

gboolean            nice_agent_set_remote_credentials   (NiceAgent *agent,
                                                         guint stream_id,
                                                         const gchar *ufrag,
                                                         const gchar *pwd);

Sets the remote credentials for stream stream_id.

Note

Stream credentials do not override per-candidate credentials if set

agent :

 The NiceAgent Object

stream_id :

 The ID of the stream

ufrag :

 NULL-terminated string containing an ICE username fragment (length must be between 22 and 256 chars)

pwd :

 NULL-terminated string containing an ICE password (length must be between 4 and 256 chars)

Returns :

 TRUE on success, FALSE on error.

nice_agent_get_local_credentials ()

gboolean            nice_agent_get_local_credentials    (NiceAgent *agent,
                                                         guint stream_id,
                                                         gchar **ufrag,
                                                         gchar **pwd);

Gets the local credentials for stream stream_id.

agent :

 The NiceAgent Object

stream_id :

 The ID of the stream

ufrag :

 a pointer to a NULL-terminated string containing an ICE username fragment [OUT]. This string must be freed with g_free()

pwd :

 a pointer to a NULL-terminated string containing an ICE password [OUT] This string must be freed with g_free()

Returns :

 TRUE on success, FALSE on error.

nice_agent_set_remote_candidates ()

int                 nice_agent_set_remote_candidates    (NiceAgent *agent,
                                                         guint stream_id,
                                                         guint component_id,
                                                         const GSList *candidates);

Sets, adds or updates the remote candidates for a component of a stream.

Note

NICE_AGENT_MAX_REMOTE_CANDIDATES is the absolute maximum limit for remote candidates.

You must first call nice_agent_gather_candidates() and wait for the "candidate-gathering-done" signale before calling nice_agent_set_remote_candidates()

Since 0.1.3, there is no need to wait for the candidate-gathering-done signal. Remote candidates can be set even while gathering local candidates. Newly discovered local candidates will automatically be paired with existing remote candidates.

agent :

 The NiceAgent Object

stream_id :

 The ID of the stream the candidates are for

component_id :

 The ID of the component the candidates are for

candidates :

 a GSList of NiceCandidate items describing each candidate to add

Returns :

 The number of candidates added, negative on errors (memory allocation error or invalid component)

nice_agent_get_remote_candidates ()

GSList *            nice_agent_get_remote_candidates    (NiceAgent *agent,
                                                         guint stream_id,
                                                         guint component_id);

Get a list of the remote candidates set on a stream's component

Note

The caller owns the returned GSList but not the candidates contained within it.

The list of remote candidates can change during processing. The client should register for the "new-remote-candidate" signal to get notified of new remote candidates.

agent :

 The NiceAgent Object

stream_id :

 The ID of the stream

component_id :

 The ID of the component

Returns :

 a GSList of NiceCandidates objects representing the remote candidates set on the agent

nice_agent_get_local_candidates ()

GSList *            nice_agent_get_local_candidates     (NiceAgent *agent,
                                                         guint stream_id,
                                                         guint component_id);

Retreive from the agent the list of all local candidates for a stream's component

Note

The caller owns the returned GSList as well as the candidates contained within it. To get full results, the client should wait for the "candidate-gathering-done" signal.

agent :

 The NiceAgent Object

stream_id :

 The ID of the stream

component_id :

 The ID of the component

Returns :

 a GSList of NiceCandidate objects representing the local candidates of agent

nice_agent_get_selected_pair ()

gboolean            nice_agent_get_selected_pair        (NiceAgent *agent,
                                                         guint stream_id,
                                                         guint component_id,
                                                         NiceCandidate **local,
                                                         NiceCandidate **remote);

Retreive the selected candidate pair for media transmission for a given stream's component.

agent :

 The NiceAgent Object

stream_id :

 The ID of the stream

component_id :

 The ID of the component

local :

 The local selected candidate

remote :

 The remote selected candidate

Returns :

 TRUE on success, FALSE if there is no selected candidate pair

nice_agent_send ()

gint                nice_agent_send                     (NiceAgent *agent,
                                                         guint stream_id,
                                                         guint component_id,
                                                         guint len,
                                                         const gchar *buf);

Sends a data payload over a stream's component.

Note

Component state MUST be NICE_COMPONENT_STATE_READY, or as a special case, in any state if component was in READY state before and was then restarted

In reliable mode, the -1 error value means either that you are not yet connected or that the send buffer is full (equivalent to EWOULDBLOCK). In both cases, you simply need to wait for the "reliable-transport-writable" signal to be fired before resending the data.

In non-reliable mode, it will virtually never happen with UDP sockets, but it might happen if the active candidate is a TURN-TCP connection that got disconnected.

In both reliable and non-reliable mode, a -1 error code could also mean that the stream_id and/or component_id are invalid.

agent :

 The NiceAgent Object

stream_id :

 The ID of the stream to send to

component_id :

 The ID of the component to send to

len :

 The length of the buffer to send

buf :

 The buffer of data to send

Returns :

 The number of bytes sent, or negative error code

nice_agent_attach_recv ()

gboolean            nice_agent_attach_recv              (NiceAgent *agent,
                                                         guint stream_id,
                                                         guint component_id,
                                                         GMainContext *ctx,
                                                         NiceAgentRecvFunc func,
                                                         gpointer data);

Attaches the stream's component's sockets to the Glib Mainloop Context in order to be notified whenever data becomes available for a component.

agent :

 The NiceAgent Object

stream_id :

 The ID of stream

component_id :

 The ID of the component

ctx :

 The Glib Mainloop Context to use for listening on the component

func :

 The callback function to be called when data is received on the stream's component

data :

 user data associated with the callback

Returns :

 TRUE on success, FALSE if the stream or component IDs are invalid.

nice_agent_set_selected_pair ()

gboolean            nice_agent_set_selected_pair        (NiceAgent *agent,
                                                         guint stream_id,
                                                         guint component_id,
                                                         const gchar *lfoundation,
                                                         const gchar *rfoundation);

Sets the selected candidate pair for media transmission for a given stream's component. Calling this function will disable all further ICE processing (connection check, state machine updates, etc). Note that keepalives will continue to be sent.

agent :

 The NiceAgent Object

stream_id :

 The ID of the stream

component_id :

 The ID of the component

lfoundation :

 The local foundation of the candidate to use

rfoundation :

 The remote foundation of the candidate to use

Returns :

 TRUE on success, FALSE if the candidate pair cannot be found

nice_agent_set_selected_remote_candidate ()

gboolean            nice_agent_set_selected_remote_candidate
                                                        (NiceAgent *agent,
                                                         guint stream_id,
                                                         guint component_id,
                                                         NiceCandidate *candidate);

Sets the selected remote candidate for media transmission for a given stream's component. This is used to force the selection of a specific remote candidate even when connectivity checks are failing (e.g. non-ICE compatible candidates). Calling this function will disable all further ICE processing (connection check, state machine updates, etc). Note that keepalives will continue to be sent.

agent :

 The NiceAgent Object

stream_id :

 The ID of the stream

component_id :

 The ID of the component

candidate :

 The NiceCandidate to select

Returns :

 TRUE on success, FALSE on failure

nice_agent_set_stream_tos ()

void                nice_agent_set_stream_tos           (NiceAgent *agent,
                                                         guint stream_id,
                                                         gint tos);

Sets the IP_TOS and/or IPV6_TCLASS field on the stream's sockets' options

agent :

 The NiceAgent Object

stream_id :

 The ID of the stream

tos :

 The ToS to set

Since 0.0.9

nice_agent_set_software ()

void                nice_agent_set_software             (NiceAgent *agent,
                                                         const gchar *software);

This function will set the value of the SOFTWARE attribute to be added to STUN requests, responses and error responses sent during connectivity checks.

The SOFTWARE attribute will only be added in the NICE_COMPATIBILITY_RFC5245 and NICE_COMPATIBILITY_WLM2009 compatibility modes.

Note

The software argument will be appended with the libnice version before being sent.

The software argument must be in UTF-8 encoding and only the first 128 characters will be sent.

agent :

 The NiceAgent Object

software :

 The value of the SOFTWARE attribute to add.

Since 0.0.10

nice_agent_restart ()

gboolean            nice_agent_restart                  (NiceAgent *agent);

Restarts the session as defined in ICE draft 19. This function needs to be called both when initiating (ICE spec section 9.1.1.1. "ICE Restarts"), as well as when reacting (spec section 9.2.1.1. "Detecting ICE Restart") to a restart.

agent :

 The NiceAgent Object

Returns :

 TRUE on success FALSE on error

nice_agent_set_stream_name ()

gboolean            nice_agent_set_stream_name          (NiceAgent *agent,
                                                         guint stream_id,
                                                         const gchar *name);

This function will assign a unique name to a stream. This is only useful when parsing and generating an SDP of the candidates.

See also: nice_agent_generate_local_sdp()

See also: nice_agent_parse_remote_sdp()

See also: nice_agent_get_stream_name()

agent :

 The NiceAgent Object

stream_id :

 The ID of the stream to change

name :

 The new name of the stream or NULL

Returns :

 TRUE if the name has been set. FALSE in case of error (invalid stream or duplicate name).

Since 0.1.4

nice_agent_get_stream_name ()

const gchar *       nice_agent_get_stream_name          (NiceAgent *agent,
                                                         guint stream_id);

This function will return the name assigned to a stream.

See also: nice_agent_set_stream_name()

agent :

 The NiceAgent Object

stream_id :

 The ID of the stream to change

Returns :

 The name of the stream. The name is only valid while the stream exists or until it changes through a call to nice_agent_set_stream_name().

Since 0.1.4

nice_agent_get_default_local_candidate ()

NiceCandidate *     nice_agent_get_default_local_candidate
                                                        (NiceAgent *agent,
                                                         guint stream_id,
                                                         guint component_id);

This helper function will return the recommended default candidate to be used for non-ICE compatible clients. This will usually be the candidate with the lowest priority, since it will be the longest path but the one with the most chances of success.

Note

This function is only useful in order to manually generate the local SDP

agent :

 The NiceAgent Object

stream_id :

 The ID of the stream

component_id :

 The ID of the component

Returns :

 The candidate to be used as the default candidate, or NULL in case of error. Must be freed with nice_candidate_free() once done.

nice_agent_generate_local_sdp ()

gchar *             nice_agent_generate_local_sdp       (NiceAgent *agent);

Generate an SDP string containing the local candidates and credentials for all streams and components in the agent.

Note

The SDP will not contain any codec lines and the 'm' line will not list any payload types.

It is highly recommended to set names on the streams prior to calling this function. Unnamed streams will show up as '-' in the 'm' line, but the SDP will not be parseable with nice_agent_parse_remote_sdp() if a stream is unnamed.

The default candidate in the SDP will be selected based on the lowest priority candidate for the first component.

See also: nice_agent_set_stream_name()

See also: nice_agent_parse_remote_sdp()

See also: nice_agent_generate_local_stream_sdp()

See also: nice_agent_generate_local_candidate_sdp()

See also: nice_agent_get_default_local_candidate()

agent :

 The NiceAgent Object

Returns :

 A string representing the local SDP. Must be freed with g_free() once done.

Since 0.1.4

nice_agent_generate_local_stream_sdp ()

gchar *             nice_agent_generate_local_stream_sdp
                                                        (NiceAgent *agent,
                                                         guint stream_id,
                                                         gboolean include_non_ice);

Generate an SDP string containing the local candidates and credentials for a stream.

Note

The SDP will not contain any codec lines and the 'm' line will not list any payload types.

It is highly recommended to set the name of the stream prior to calling this function. Unnamed streams will show up as '-' in the 'm' line.

The default candidate in the SDP will be selected based on the lowest priority candidate.

See also: nice_agent_set_stream_name()

See also: nice_agent_parse_remote_stream_sdp()

See also: nice_agent_generate_local_sdp()

See also: nice_agent_generate_local_candidate_sdp()

See also: nice_agent_get_default_local_candidate()

agent :

 The NiceAgent Object

stream_id :

 The ID of the stream

include_non_ice :

 Whether or not to include non ICE specific lines (m=, c= and a=rtcp: lines)

Returns :

 A string representing the local SDP for the stream. Must be freed with g_free() once done.

Since 0.1.4

nice_agent_generate_local_candidate_sdp ()

gchar *             nice_agent_generate_local_candidate_sdp
                                                        (NiceAgent *agent,
                                                         NiceCandidate *candidate);

Generate an SDP string representing a local candidate.

See also: nice_agent_parse_remote_candidate_sdp()

See also: nice_agent_generate_local_sdp()

See also: nice_agent_generate_local_stream_sdp()

agent :

 The NiceAgent Object

candidate :

 The candidate to generate

Returns :

 A string representing the SDP for the candidate. Must be freed with g_free() once done.

Since 0.1.4

nice_agent_parse_remote_sdp ()

int                 nice_agent_parse_remote_sdp         (NiceAgent *agent,
                                                         const gchar *sdp);

Parse an SDP string and extracts candidates and credentials from it and sets them on the agent.

Note

This function will return an error if a stream has not been assigned a name with nice_agent_set_stream_name() as it becomes troublesome to assign the streams from the agent to the streams in the SDP.

See also: nice_agent_set_stream_name()

See also: nice_agent_generate_local_sdp()

See also: nice_agent_parse_remote_stream_sdp()

See also: nice_agent_parse_remote_candidate_sdp()

agent :

 The NiceAgent Object

sdp :

 The remote SDP to parse

Returns :

 The number of candidates added, negative on errors

Since 0.1.4

nice_agent_parse_remote_stream_sdp ()

GSList *            nice_agent_parse_remote_stream_sdp  (NiceAgent *agent,
                                                         guint stream_id,
                                                         const gchar *sdp,
                                                         gchar **ufrag,
                                                         gchar **pwd);

Parse an SDP string representing a single stream and extracts candidates and credentials from it.

See also: nice_agent_generate_local_stream_sdp()

See also: nice_agent_parse_remote_sdp()

See also: nice_agent_parse_remote_candidate_sdp()

agent :

 The NiceAgent Object

stream_id :

 The ID of the stream to parse

sdp :

 The remote SDP to parse

ufrag :

 Pointer to store the ice ufrag if non NULL. Must be freed with g_free() after use

pwd :

 Pointer to store the ice password if non NULL. Must be freed with g_free() after use

Returns :

 A GSList of candidates parsed from the SDP, or NULL in case of errors

Since 0.1.4

nice_agent_parse_remote_candidate_sdp ()

NiceCandidate *     nice_agent_parse_remote_candidate_sdp
                                                        (NiceAgent *agent,
                                                         guint stream_id,
                                                         const gchar *sdp);

Parse an SDP string and extracts the candidate from it.

See also: nice_agent_generate_local_candidate_sdp()

See also: nice_agent_parse_remote_sdp()

See also: nice_agent_parse_remote_stream_sdp()

agent :

 The NiceAgent Object

stream_id :

 The ID of the stream the candidate belongs to

sdp :

 The remote SDP to parse

Returns :

 The parsed candidate or NULL if there was an error.

Since 0.1.4

Property Details

The "compatibility" property

  "compatibility"            guint                 : Read / Write / Construct Only

The Nice agent can work in various compatibility modes depending on what the application/peer needs.

See also: NiceCompatibility

Allowed values: <= 5

Default value: 0

The "controlling-mode" property

  "controlling-mode"         gboolean              : Read / Write

Whether the agent is in controlling mode.

Default value: FALSE

The "full-mode" property

  "full-mode"                gboolean              : Read / Write / Construct Only

Whether agent runs in ICE full mode.

Default value: TRUE

The "main-context" property

  "main-context"             gpointer              : Read / Write / Construct Only

A GLib main context is needed for all timeouts used by libnice. This is a property being set by the nice_agent_new() call.

The "max-connectivity-checks" property

  "max-connectivity-checks"  guint                 : Read / Write

Upper limit for the total number of connectivity checks performed.

Default value: 0

The "proxy-ip" property

  "proxy-ip"                 gchar*                : Read / Write

The proxy server IP used to bypass a proxy firewall

Default value: NULL

Since 0.0.4

The "proxy-password" property

  "proxy-password"           gchar*                : Read / Write

The password used to authenticate with the proxy

Default value: NULL

Since 0.0.4

The "proxy-port" property

  "proxy-port"               guint                 : Read / Write

The proxy server port used to bypass a proxy firewall

Allowed values: [1,65536]

Default value: 1

Since 0.0.4

The "proxy-type" property

  "proxy-type"               guint                 : Read / Write

The type of proxy set in the proxy-ip property

Allowed values: <= 2

Default value: 0

Since 0.0.4

The "proxy-username" property

  "proxy-username"           gchar*                : Read / Write

The username used to authenticate with the proxy

Default value: NULL

Since 0.0.4

The "reliable" property

  "reliable"                 gboolean              : Read / Write / Construct Only

Whether the agent should use PseudoTcp to ensure a reliable transport of messages

Default value: FALSE

Since 0.0.11

The "stun-pacing-timer" property

  "stun-pacing-timer"        guint                 : Read / Write / Construct Only

Timer 'Ta' (msecs) used in the IETF ICE specification for pacing candidate gathering and sending of connectivity checks.

Allowed values: >= 1

Default value: 20

The "stun-server" property

  "stun-server"              gchar*                : Read / Write

The IP address (not the hostname) of the STUN server to use.

Default value: NULL

The "stun-server-port" property

  "stun-server-port"         guint                 : Read / Write

Port of the STUN server used to gather server-reflexive candidates.

Allowed values: [1,65536]

Default value: 1

The "upnp" property

  "upnp"                     gboolean              : Read / Write / Construct

Whether the agent should use UPnP to open a port in the router and get the external IP

Default value: TRUE

Since 0.0.7

The "upnp-timeout" property

  "upnp-timeout"             guint                 : Read / Write / Construct

The maximum amount of time to wait for UPnP discovery to finish before signaling the "candidate-gathering-done" signal

Allowed values: [100,60000]

Default value: 200

Since 0.0.7

Signal Details

The "candidate-gathering-done" signal

void                user_function                      (NiceAgent *agent,
                                                        guint      stream_id,
                                                        gpointer   user_data)      : Run Last

This signal is fired whenever a stream has finished gathering its candidates after a call to nice_agent_gather_candidates()

agent :

 The NiceAgent object

stream_id :

 The ID of the stream

user_data :

 user data set when the signal handler was connected.

The "component-state-changed" signal

void                user_function                      (NiceAgent *agent,
                                                        guint      stream_id,
                                                        guint      component_id,
                                                        guint      state,
                                                        gpointer   user_data)         : Run Last

This signal is fired whenever a component's state changes

agent :

 The NiceAgent object

stream_id :

 The ID of the stream

component_id :

 The ID of the component

state :

 The NiceComponentState of the component

user_data :

 user data set when the signal handler was connected.

The "initial-binding-request-received" signal

void                user_function                      (NiceAgent *agent,
                                                        guint      stream_id,
                                                        gpointer   user_data)      : Run Last

This signal is fired when we received our first binding request from the peer.

agent :

 The NiceAgent object

stream_id :

 The ID of the stream

user_data :

 user data set when the signal handler was connected.

The "new-candidate" signal

void                user_function                      (NiceAgent *agent,
                                                        guint      stream_id,
                                                        guint      component_id,
                                                        gchar     *foundation,
                                                        gpointer   user_data)         : Run Last

This signal is fired when the agent discovers a new candidate

See also: "candidate-gathering-done"

agent :

 The NiceAgent object

stream_id :

 The ID of the stream

component_id :

 The ID of the component

foundation :

 The foundation of the new candidate

user_data :

 user data set when the signal handler was connected.

The "new-remote-candidate" signal

void                user_function                      (NiceAgent *agent,
                                                        guint      stream_id,
                                                        guint      component_id,
                                                        gchar     *foundation,
                                                        gpointer   user_data)         : Run Last

This signal is fired when the agent discovers a new remote candidate. This can happen with peer reflexive candidates.

agent :

 The NiceAgent object

stream_id :

 The ID of the stream

component_id :

 The ID of the component

foundation :

 The foundation of the new candidate

user_data :

 user data set when the signal handler was connected.

The "new-selected-pair" signal

void                user_function                      (NiceAgent *agent,
                                                        guint      stream_id,
                                                        guint      component_id,
                                                        gchar     *lfoundation,
                                                        gchar     *rfoundation,
                                                        gpointer   user_data)         : Run Last

This signal is fired once a candidate pair is selected for data transfer for a stream's component

agent :

 The NiceAgent object

stream_id :

 The ID of the stream

component_id :

 The ID of the component

lfoundation :

 The local foundation of the selected candidate pair

rfoundation :

 The remote foundation of the selected candidate pair

user_data :

 user data set when the signal handler was connected.

The "reliable-transport-writable" signal

void                user_function                      (NiceAgent *agent,
                                                        guint      stream_id,
                                                        guint      component_id,
                                                        gpointer   user_data)         : Run Last

This signal is fired on the reliable NiceAgent when the underlying reliable transport becomes writable. This signal is only emitted when the nice_agent_send() function returns less bytes than requested to send (or -1) and once when the connection is established.

agent :

 The NiceAgent object

stream_id :

 The ID of the stream

component_id :

 The ID of the component

user_data :

 user data set when the signal handler was connected.

Since 0.0.11

See Also

NiceAddress
Generated by GTK-Doc V1.18
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TURN

TURN — TURN Allocation Usage

Stability Level

Stable, unless otherwise indicated

Synopsis

#include <stun/usages/turn.h>

enum                StunUsageTurnCompatibility;
enum                StunUsageTurnRequestPorts;
enum                StunUsageTurnReturn;
size_t              stun_usage_turn_create              (StunAgent *agent,
                                                         StunMessage *msg,
                                                         uint8_t *buffer,
                                                         size_t buffer_len,
                                                         StunMessage *previous_response,
                                                         StunUsageTurnRequestPorts request_ports,
                                                         int32_t bandwidth,
                                                         int32_t lifetime,
                                                         uint8_t *username,
                                                         size_t username_len,
                                                         uint8_t *password,
                                                         size_t password_len,
                                                         StunUsageTurnCompatibility compatibility);
size_t              stun_usage_turn_create_refresh      (StunAgent *agent,
                                                         StunMessage *msg,
                                                         uint8_t *buffer,
                                                         size_t buffer_len,
                                                         StunMessage *previous_response,
                                                         int32_t lifetime,
                                                         uint8_t *username,
                                                         size_t username_len,
                                                         uint8_t *password,
                                                         size_t password_len,
                                                         StunUsageTurnCompatibility compatibility);
StunUsageTurnReturn stun_usage_turn_process             (StunMessage *msg,
                                                         struct sockaddr *relay_addr,
                                                         socklen_t *relay_addrlen,
                                                         struct sockaddr *addr,
                                                         socklen_t *addrlen,
                                                         struct sockaddr *alternate_server,
                                                         socklen_t *alternate_server_len,
                                                         uint32_t *bandwidth,
                                                         uint32_t *lifetime,
                                                         StunUsageTurnCompatibility compatibility);
StunUsageTurnReturn stun_usage_turn_refresh_process     (StunMessage *msg,
                                                         uint32_t *lifetime,
                                                         StunUsageTurnCompatibility compatibility);

Description

The STUN TURN usage allows for easily creating and parsing STUN Allocate requests and responses used for TURN. The API allows you to create a new allocation or refresh an existing one as well as to parse a response to an allocate or refresh request.

Details

enum StunUsageTurnCompatibility

typedef enum {
  STUN_USAGE_TURN_COMPATIBILITY_DRAFT9,
  STUN_USAGE_TURN_COMPATIBILITY_GOOGLE,
  STUN_USAGE_TURN_COMPATIBILITY_MSN,
  STUN_USAGE_TURN_COMPATIBILITY_OC2007,
  STUN_USAGE_TURN_COMPATIBILITY_RFC5766,
} StunUsageTurnCompatibility;

Specifies which TURN specification compatibility to use

STUN_USAGE_TURN_COMPATIBILITY_DRAFT9

 Use the specification compatible with TURN Draft 09

STUN_USAGE_TURN_COMPATIBILITY_GOOGLE

 Use the specification compatible with Google Talk's relay server

STUN_USAGE_TURN_COMPATIBILITY_MSN

 Use the specification compatible with MSN TURN servers

STUN_USAGE_TURN_COMPATIBILITY_OC2007

STUN_USAGE_TURN_COMPATIBILITY_RFC5766

enum StunUsageTurnRequestPorts

typedef enum {
  STUN_USAGE_TURN_REQUEST_PORT_NORMAL = 0,
  STUN_USAGE_TURN_REQUEST_PORT_EVEN = 1,
  STUN_USAGE_TURN_REQUEST_PORT_EVEN_AND_RESERVE = 2
} StunUsageTurnRequestPorts;

This enum is used to specify which port configuration you want when creating a new Allocation

STUN_USAGE_TURN_REQUEST_PORT_NORMAL

 Request a normal port

STUN_USAGE_TURN_REQUEST_PORT_EVEN

 Request an even port

STUN_USAGE_TURN_REQUEST_PORT_EVEN_AND_RESERVE

 Request an even port and reserve the next higher port

enum StunUsageTurnReturn

typedef enum {
  STUN_USAGE_TURN_RETURN_RELAY_SUCCESS,
  STUN_USAGE_TURN_RETURN_MAPPED_SUCCESS,
  STUN_USAGE_TURN_RETURN_ERROR,
  STUN_USAGE_TURN_RETURN_INVALID,
  STUN_USAGE_TURN_RETURN_ALTERNATE_SERVER,
} StunUsageTurnReturn;

Return value of stun_usage_turn_process() and stun_usage_turn_refresh_process() which allows you to see what status the function call returned.

STUN_USAGE_TURN_RETURN_RELAY_SUCCESS

 The response was successful and a relay address is provided

STUN_USAGE_TURN_RETURN_MAPPED_SUCCESS

 The response was successful and a relay address as well as a mapped address are provided

STUN_USAGE_TURN_RETURN_ERROR

 The response resulted in an error

STUN_USAGE_TURN_RETURN_INVALID

 The response is not a valid response

STUN_USAGE_TURN_RETURN_ALTERNATE_SERVER

 The server requests the message to be sent to an alternate server

stun_usage_turn_create ()

size_t              stun_usage_turn_create              (StunAgent *agent,
                                                         StunMessage *msg,
                                                         uint8_t *buffer,
                                                         size_t buffer_len,
                                                         StunMessage *previous_response,
                                                         StunUsageTurnRequestPorts request_ports,
                                                         int32_t bandwidth,
                                                         int32_t lifetime,
                                                         uint8_t *username,
                                                         size_t username_len,
                                                         uint8_t *password,
                                                         size_t password_len,
                                                         StunUsageTurnCompatibility compatibility);

Create a new TURN Allocation request

agent :

 The StunAgent to use to build the request

msg :

 The StunMessage to build

buffer :

 The buffer to use for creating the StunMessage

buffer_len :

 The size of the buffer

previous_response :

 If this is the first request you are sending, set this argument to NULL, if it's a subsequent request you are building, then set this argument to the response you have received. This argument is used for building long term credentials (using the REALM and NONCE attributes) as well as for getting the RESERVATION-TOKEN attribute when you previously requested an allocation which reserved two ports

request_ports :

 Specify how you want to request the allocated port(s). This is only used if the compatibility is set to STUN_USAGE_TURN_COMPATIBILITY_DRAFT9

See StunUsageTurnRequestPorts

bandwidth :

 The bandwidth to request from the server for the allocation. If this value is negative, then no BANDWIDTH attribute is added to the request. This is only used if the compatibility is set to STUN_USAGE_TURN_COMPATIBILITY_DRAFT9

lifetime :

 The lifetime of the allocation to request from the server. If this value is negative, then no LIFETIME attribute is added to the request. This is only used if the compatibility is set to STUN_USAGE_TURN_COMPATIBILITY_DRAFT9

username :

 The username to use in the request

username_len :

 The length of username

password :

 The key to use for building the MESSAGE-INTEGRITY

password_len :

 The length of password

compatibility :

 The compatibility mode to use for building the Allocation request

Returns :

 The length of the message to send

stun_usage_turn_create_refresh ()

size_t              stun_usage_turn_create_refresh      (StunAgent *agent,
                                                         StunMessage *msg,
                                                         uint8_t *buffer,
                                                         size_t buffer_len,
                                                         StunMessage *previous_response,
                                                         int32_t lifetime,
                                                         uint8_t *username,
                                                         size_t username_len,
                                                         uint8_t *password,
                                                         size_t password_len,
                                                         StunUsageTurnCompatibility compatibility);

Create a new TURN Refresh request

agent :

 The StunAgent to use to build the request

msg :

 The StunMessage to build

buffer :

 The buffer to use for creating the StunMessage

buffer_len :

 The size of the buffer

previous_response :

 If this is the first request you are sending, set this argument to NULL, if it's a subsequent request you are building, then set this argument to the response you have received. This argument is used for building long term credentials (using the REALM and NONCE attributes)

lifetime :

 The lifetime of the allocation to request from the server. If this value is negative, then no LIFETIME attribute is added to the request. This is only used if the compatibility is set to STUN_USAGE_TURN_COMPATIBILITY_DRAFT9

username :

 The username to use in the request

username_len :

 The length of username

password :

 The key to use for building the MESSAGE-INTEGRITY

password_len :

 The length of password

compatibility :

 The compatibility mode to use for building the Allocation request

Returns :

 The length of the message to send

stun_usage_turn_process ()

StunUsageTurnReturn stun_usage_turn_process             (StunMessage *msg,
                                                         struct sockaddr *relay_addr,
                                                         socklen_t *relay_addrlen,
                                                         struct sockaddr *addr,
                                                         socklen_t *addrlen,
                                                         struct sockaddr *alternate_server,
                                                         socklen_t *alternate_server_len,
                                                         uint32_t *bandwidth,
                                                         uint32_t *lifetime,
                                                         StunUsageTurnCompatibility compatibility);

Process a TURN Allocate response and extract the necessary information from the message

msg :

 The message containing the response

relay_addr :

 A pointer to a sockaddr structure to fill with the relay address that the TURN server allocated for us

relay_addrlen :

 The length of relay_addr

addr :

 A pointer to a sockaddr structure to fill with the mapped address that the STUN response contains. This argument will only be filled if the return value of the function is STUN_USAGE_TURN_RETURN_MAPPED_SUCCESS

addrlen :

 The length of addr

alternate_server :

 A pointer to a sockaddr structure to fill with the address of an alternate server to which we should send our new STUN Allocate request, in case the currently used TURN server is requesting the use of an alternate server. This argument will only be filled if the return value of the function is STUN_USAGE_TURN_RETURN_ALTERNATE_SERVER

alternate_server_len :

 The length of alternate_server

bandwidth :

 A pointer to fill with the bandwidth the TURN server allocated us

lifetime :

 A pointer to fill with the lifetime of the allocation

compatibility :

 The compatibility mode to use for processing the Allocation response

Returns :

 A StunUsageTurnReturn value

stun_usage_turn_refresh_process ()

StunUsageTurnReturn stun_usage_turn_refresh_process     (StunMessage *msg,
                                                         uint32_t *lifetime,
                                                         StunUsageTurnCompatibility compatibility);

Process a TURN Refresh response and extract the necessary information from the message

msg :

 The message containing the response

lifetime :

 A pointer to fill with the lifetime of the allocation

compatibility :

 The compatibility mode to use for processing the Refresh response

Returns :

 A StunUsageTurnReturn value. A STUN_USAGE_TURN_RETURN_RELAY_SUCCESS means the Refresh was successful, but no relay address is given (kept the same as for the original allocation)
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libnice-0.1.4/docs/reference/libnice/html/libnice-Timer.html0000664000175000017500000005164412112010566020660 00000000000000 Timer

Timer

Timer — STUN timer Usage

Stability Level

Stable, unless otherwise indicated

Synopsis

#include <stun/usages/timer.h>

typedef             StunTimer;
enum                StunUsageTimerReturn;
#define             STUN_TIMER_DEFAULT_MAX_RETRANSMISSIONS
#define             STUN_TIMER_DEFAULT_RELIABLE_TIMEOUT
#define             STUN_TIMER_DEFAULT_TIMEOUT
void                stun_timer_start                    (StunTimer *timer,
                                                         unsigned int initial_timeout,
                                                         unsigned int max_retransmissions);
void                stun_timer_start_reliable           (StunTimer *timer,
                                                         unsigned int initial_timeout);
StunUsageTimerReturn stun_timer_refresh                 (StunTimer *timer);
unsigned            stun_timer_remainder                (const StunTimer *timer);

Description

The STUN timer usage is a set of helpful utility functions that allows you to easily track when a STUN message should be retransmitted or considered as timed out.

Example 3. Simple example on how to use the timer usage

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StunTimer timer;
unsigned remainder;
StunUsageTimerReturn ret;

// Build the message, etc..
...

// Send the message and start the timer
send(socket, request, sizeof(request));
stun_timer_start(&timer, STUN_TIMER_DEFAULT_TIMEOUT,
                 STUN_TIMER_DEFAULT_MAX_RETRANSMISSIONS);

// Loop until we get the response
for (;;) {
  remainder = stun_timer_remainder(&timer);

  // Poll the socket until data is received or the timer expires
  if (poll (&pollfd, 1, delay) <= 0) {
    // Time out and no response was received
    ret = stun_timer_refresh (&timer);
    if (ret == STUN_USAGE_TIMER_RETURN_TIMEOUT) {
      // Transaction timed out
      break;
    } else if (ret == STUN_USAGE_TIMER_RETURN_RETRANSMIT) {
      // A retransmission is necessary
      send(socket, request, sizeof(request));
      continue;
    } else if (ret == STUN_USAGE_TIMER_RETURN_SUCCESS) {
      // The refresh succeeded and nothing has to be done, continue polling
      continue;
    }
  } else {
    // We received a response, read it
    recv(socket, response, sizeof(response));
    break;
  }
}

// Check if the transaction timed out or not
if (ret == STUN_USAGE_TIMER_RETURN_TIMEOUT) {
  // do whatever needs to be done in that case
} else {
  // Parse the response
}


Details

StunTimer

typedef struct stun_timer_s StunTimer;

An opaque structure representing a STUN transaction retransmission timer

enum StunUsageTimerReturn

typedef enum {
  STUN_USAGE_TIMER_RETURN_SUCCESS,
  STUN_USAGE_TIMER_RETURN_RETRANSMIT,
  STUN_USAGE_TIMER_RETURN_TIMEOUT
} StunUsageTimerReturn;

Return value of stun_usage_timer_refresh() which provides you with status information on the timer.

STUN_USAGE_TIMER_RETURN_SUCCESS

 The timer was refreshed successfully and there is nothing to be done

STUN_USAGE_TIMER_RETURN_RETRANSMIT

 The timer expired and the message should be retransmitted now.

STUN_USAGE_TIMER_RETURN_TIMEOUT

 The timer expired as well as all the retransmissions, the transaction timed out

STUN_TIMER_DEFAULT_MAX_RETRANSMISSIONS

#define STUN_TIMER_DEFAULT_MAX_RETRANSMISSIONS 3

The default maximum retransmissions allowed before a timer decides to timeout

STUN_TIMER_DEFAULT_RELIABLE_TIMEOUT

#define STUN_TIMER_DEFAULT_RELIABLE_TIMEOUT 7900

The default intial timeout to use for a reliable timer

STUN_TIMER_DEFAULT_TIMEOUT

#define STUN_TIMER_DEFAULT_TIMEOUT 600

The default intial timeout to use for the timer

stun_timer_start ()

void                stun_timer_start                    (StunTimer *timer,
                                                         unsigned int initial_timeout,
                                                         unsigned int max_retransmissions);

Starts a STUN transaction retransmission timer. This should be called as soon as you send the message for the first time on a UDP socket. The timeout before the next retransmission is set to initial_timeout, then each time a packet is retransmited, that timeout will be doubled, until the max_retransmissions retransmissions limit is reached.

To determine the total timeout value, one can use the following equation : 

 total_timeout =  initial_timeout * (2^(max_retransmissions + 1) - 1);

See also: STUN_TIMER_DEFAULT_TIMEOUT

See also: STUN_TIMER_DEFAULT_MAX_RETRANSMISSIONS

timer :

 The StunTimer to start

initial_timeout :

 The initial timeout to use before the first retransmission

max_retransmissions :

 The maximum number of transmissions before the StunTimer times out

stun_timer_start_reliable ()

void                stun_timer_start_reliable           (StunTimer *timer,
                                                         unsigned int initial_timeout);

Starts a STUN transaction retransmission timer for a reliable transport. This should be called as soon as you send the message for the first time on a TCP socket

timer :

 The StunTimer to start

stun_timer_refresh ()

StunUsageTimerReturn stun_timer_refresh                 (StunTimer *timer);

Updates a STUN transaction retransmission timer.

timer :

 The StunTimer to refresh

Returns :

 A StunUsageTimerReturn telling you what to do next

stun_timer_remainder ()

unsigned            stun_timer_remainder                (const StunTimer *timer);

Query the timer on the time left before the next refresh should be done

timer :

 The StunTimer to query

Returns :

 The time remaining for the timer to expire in milliseconds
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libnice-0.1.4/docs/reference/libnice/html/home.png0000644000175000017500000000121612112010566016731 00000000000000‰PNG  IHDRàw=øbKGDÿÿÿ ½§“ pHYs  ̉Ư~ütIMẺ1ơÚKvIDATxœƠ•±kqÅ?ßrC‡ßàpĂ ~C„np¼¡CAAJ .B-\'G‡]:Ü “‚ƒCÇ -(ˆ8´à Ô€!…fD°€…ç̉“klbRÛÁoyüxïûîËïwpĂ°IJº<°of_®-@̉đđçRH•´ÏfÖŸtèÂü¤^¯×ÓÚÚ’$Q«Ở|“ôpâ’¶€gív;X^^&Ïs¢(bww—Z­F£ÑÀ9Çææ&̃û3඙ Æ’^IRµZUE.0Z]]U¦ ĂPY–Mü8óH̉GIÚÙÙÑ́́́æeŸkqqñ̉€™!ó  $ÛÛÛ¬¯¯3Œn eư₫{-/seeéÔĂŒăXóóóåO‡Í·$ư8==UÇS™—é½×ÑÑQ̣RR€¤'ă–9-sÚÛÛ+B^ éC·Û•sîŸÍËÂ+%À°<7³ŸWô˜¿ ơâ:™2IEND®B`‚libnice-0.1.4/docs/reference/libnice/html/pt01.html0000664000175000017500000000510512112010566016750 00000000000000 Part I. ICE Library

Part I. ICE Library

Table of Contents

NiceAgent — ICE agent API implementation
NiceAddress — IP address convenience library
NiceCandidate — ICE candidate representation
Libnice helper functions
Debug messages — Debug messages utility functions
Network interfaces discovery — Utility functions to discover local network interfaces
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libnice-0.1.4/docs/reference/libnice/html/ch04.html0000664000175000017500000000422012112010566016717 00000000000000 STUN usages

STUN usages

Bind — STUN Binding Usage
ICE — STUN ICE Usage
TURN — TURN Allocation Usage
Timer — STUN timer Usage
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libnice-0.1.4/docs/reference/libnice/html/right.png0000644000175000017500000000073012112010566017116 00000000000000‰PNG  IHDRàw=øbKGDÿÿÿ ½§“ pHYs  ̉Ư~ütIMẺ2 I%Á=eIDATxœ­”!oÂ@†Ÿ.'**M0$ÄÁ$¿?1~¢vIeEuLlÉ&–Ô4‚ä Í¶B»Ư›œ¹|÷>ï—ûî …$Ư¶©oc<”´ÑA©¤×€X’̣ NiceAddress

NiceAddress

NiceAddress — IP address convenience library

Stability Level

Stable, unless otherwise indicated

Synopsis

                    NiceAddress;
#define             NICE_ADDRESS_STRING_LEN
void                nice_address_init                   (NiceAddress *addr);
NiceAddress *       nice_address_new                    (void);
void                nice_address_free                   (NiceAddress *addr);
NiceAddress *       nice_address_dup                    (const NiceAddress *addr);
void                nice_address_set_ipv4               (NiceAddress *addr,
                                                         guint32 addr_ipv4);
void                nice_address_set_ipv6               (NiceAddress *addr,
                                                         const guchar *addr_ipv6);
void                nice_address_set_port               (NiceAddress *addr,
                                                         guint port);
guint               nice_address_get_port               (const NiceAddress *addr);
gboolean            nice_address_set_from_string        (NiceAddress *addr,
                                                         const gchar *str);
void                nice_address_set_from_sockaddr      (NiceAddress *addr,
                                                         const struct sockaddr *sin);
void                nice_address_copy_to_sockaddr       (const NiceAddress *addr,
                                                         struct sockaddr *sin);
gboolean            nice_address_equal                  (const NiceAddress *a,
                                                         const NiceAddress *b);
void                nice_address_to_string              (const NiceAddress *addr,
                                                         gchar *dst);
gboolean            nice_address_is_private             (const NiceAddress *addr);
gboolean            nice_address_is_valid               (const NiceAddress *addr);
int                 nice_address_ip_version             (const NiceAddress *addr);

Description

The NiceAddress structure will allow you to easily set/get and modify an IPv4 or IPv6 address in order to communicate with the NiceAgent.

Details

NiceAddress

typedef struct {
  union
  {
    struct sockaddr     addr;
    struct sockaddr_in  ip4;
    struct sockaddr_in6 ip6;
  } s;
} NiceAddress;

The NiceAddress structure that represents an IPv4 or IPv6 address.

NICE_ADDRESS_STRING_LEN

#define NICE_ADDRESS_STRING_LEN INET6_ADDRSTRLEN

The maximum string length representation of an address. When using nice_address_to_string() make sure the string has a size of at least NICE_ADDRESS_STRING_LEN

nice_address_init ()

void                nice_address_init                   (NiceAddress *addr);

Initialize a NiceAddress into an undefined address

addr :

 The NiceAddress to init

nice_address_new ()

NiceAddress *       nice_address_new                    (void);

Create a new NiceAddress with undefined address You must free it with nice_address_free()

Returns :

 The new NiceAddress

nice_address_free ()

void                nice_address_free                   (NiceAddress *addr);

Frees a NiceAddress created with nice_address_new() or nice_address_dup()

addr :

 The NiceAddress to free

nice_address_dup ()

NiceAddress *       nice_address_dup                    (const NiceAddress *addr);

Creates a new NiceAddress with the same address as addr

addr :

 The NiceAddress to dup

Returns :

 The new NiceAddress

nice_address_set_ipv4 ()

void                nice_address_set_ipv4               (NiceAddress *addr,
                                                         guint32 addr_ipv4);

Set addr to an IPv4 address using the data from addr_ipv4

Note

This function will reset the port to 0, so make sure you call it before nice_address_set_port()

addr :

 The NiceAddress to modify

addr_ipv4 :

 The IPv4 address

nice_address_set_ipv6 ()

void                nice_address_set_ipv6               (NiceAddress *addr,
                                                         const guchar *addr_ipv6);

Set addr to an IPv6 address using the data from addr_ipv6

Note

This function will reset the port to 0, so make sure you call it before nice_address_set_port()

addr :

 The NiceAddress to modify

addr_ipv6 :

 The IPv6 address

nice_address_set_port ()

void                nice_address_set_port               (NiceAddress *addr,
                                                         guint port);

Set the port of addr to port

addr :

 The NiceAddress to modify

port :

 The port to set

nice_address_get_port ()

guint               nice_address_get_port               (const NiceAddress *addr);

Retreive the port of addr

addr :

 The NiceAddress to query

Returns :

 The port of addr

nice_address_set_from_string ()

gboolean            nice_address_set_from_string        (NiceAddress *addr,
                                                         const gchar *str);

Sets an IPv4 or IPv6 address from the string str

addr :

 The NiceAddress to modify

str :

 The string to set

Returns :

 TRUE if success, FALSE on error

nice_address_set_from_sockaddr ()

void                nice_address_set_from_sockaddr      (NiceAddress *addr,
                                                         const struct sockaddr *sin);

Sets an IPv4 or IPv6 address from the sockaddr structure sin

addr :

 The NiceAddress to modify

sin :

 The sockaddr to set

nice_address_copy_to_sockaddr ()

void                nice_address_copy_to_sockaddr       (const NiceAddress *addr,
                                                         struct sockaddr *sin);

Fills the sockaddr structure sin with the address contained in addr

addr :

 The NiceAddress to query

sin :

 The sockaddr to fill

nice_address_equal ()

gboolean            nice_address_equal                  (const NiceAddress *a,
                                                         const NiceAddress *b);

Compares two NiceAddress structures to see if they contain the same address

a :

 First NiceAddress to compare

b :

 Second NiceAddress to compare

Returns :

 TRUE if a and b are the same address, FALSE if they are different

nice_address_to_string ()

void                nice_address_to_string              (const NiceAddress *addr,
                                                         gchar *dst);

Transforms the address addr into a human readable string

addr :

 The NiceAddress to query

dst :

 The string to fill

nice_address_is_private ()

gboolean            nice_address_is_private             (const NiceAddress *addr);

Verifies if the address in addr is a private address or not

addr :

 The NiceAddress to query

Returns :

 TRUE if addr is a private address, FALSE otherwise

nice_address_is_valid ()

gboolean            nice_address_is_valid               (const NiceAddress *addr);

Validate whether the NiceAddress addr is a valid IPv4 or IPv6 address

addr :

 The NiceAddress to query

Returns :

 TRUE if addr is valid, FALSE otherwise

nice_address_ip_version ()

int                 nice_address_ip_version             (const NiceAddress *addr);

Returns the IP version of the address

addr :

 The NiceAddress to query

Returns :

 4 for IPv4, 6 for IPv6 and 0 for undefined address
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libnice-0.1.4/docs/reference/libnice/html/libnice-StunAgent.html0000664000175000017500000022364512112010566021512 00000000000000 StunAgent

StunAgent

StunAgent — STUN agent for building and validating STUN messages

Stability Level

Stable, unless otherwise indicated

Synopsis

#include <stun/stunagent.h>

typedef             StunAgent;
enum                StunCompatibility;
enum                StunAgentUsageFlags;
enum                StunValidationStatus;
bool                (*StunMessageIntegrityValidate)     (StunAgent *agent,
                                                         StunMessage *message,
                                                         uint8_t *username,
                                                         uint16_t username_len,
                                                         uint8_t **password,
                                                         size_t *password_len,
                                                         void *user_data);
                    StunDefaultValidaterData;
void                stun_agent_init                     (StunAgent *agent,
                                                         const uint16_t *known_attributes,
                                                         StunCompatibility compatibility,
                                                         StunAgentUsageFlags usage_flags);
StunValidationStatus stun_agent_validate                (StunAgent *agent,
                                                         StunMessage *msg,
                                                         const uint8_t *buffer,
                                                         size_t buffer_len,
                                                         StunMessageIntegrityValidate validater,
                                                         void *validater_data);
bool                stun_agent_default_validater        (StunAgent *agent,
                                                         StunMessage *message,
                                                         uint8_t *username,
                                                         uint16_t username_len,
                                                         uint8_t **password,
                                                         size_t *password_len,
                                                         void *user_data);
bool                stun_agent_init_request             (StunAgent *agent,
                                                         StunMessage *msg,
                                                         uint8_t *buffer,
                                                         size_t buffer_len,
                                                         StunMethod m);
bool                stun_agent_init_indication          (StunAgent *agent,
                                                         StunMessage *msg,
                                                         uint8_t *buffer,
                                                         size_t buffer_len,
                                                         StunMethod m);
bool                stun_agent_init_response            (StunAgent *agent,
                                                         StunMessage *msg,
                                                         uint8_t *buffer,
                                                         size_t buffer_len,
                                                         const StunMessage *request);
bool                stun_agent_init_error               (StunAgent *agent,
                                                         StunMessage *msg,
                                                         uint8_t *buffer,
                                                         size_t buffer_len,
                                                         const StunMessage *request,
                                                         StunError err);
size_t              stun_agent_build_unknown_attributes_error
                                                        (StunAgent *agent,
                                                         StunMessage *msg,
                                                         uint8_t *buffer,
                                                         size_t buffer_len,
                                                         const StunMessage *request);
size_t              stun_agent_finish_message           (StunAgent *agent,
                                                         StunMessage *msg,
                                                         const uint8_t *key,
                                                         size_t key_len);
bool                stun_agent_forget_transaction       (StunAgent *agent,
                                                         StunTransactionId id);
void                stun_agent_set_software             (StunAgent *agent,
                                                         const char *software);
void                stun_debug_enable                   (void);
void                stun_debug_disable                  (void);

Description

The STUN Agent allows you to create and validate STUN messages easily. It's main purpose is to make sure the building and validation methods used are compatible with the RFC you create it with. It also tracks the transaction ids of the requests you send, so you can validate if a STUN response you received should be processed by that agent or not.

Details

StunAgent

typedef struct stun_agent_t StunAgent;

An opaque structure representing the STUN agent.

enum StunCompatibility

typedef enum {
  STUN_COMPATIBILITY_RFC3489,
  STUN_COMPATIBILITY_RFC5389,
  STUN_COMPATIBILITY_WLM2009,
  STUN_COMPATIBILITY_OC2007,
  STUN_COMPATIBILITY_LAST = STUN_COMPATIBILITY_OC2007
} StunCompatibility;

Enum that specifies the STUN compatibility mode of the StunAgent

STUN_COMPATIBILITY_RFC3489

 Use the STUN specifications compatible with RFC 3489

STUN_COMPATIBILITY_RFC5389

 Use the STUN specifications compatible with RFC 5389

STUN_COMPATIBILITY_WLM2009

 Use the STUN specifications compatible with Windows Live Messenger 2009 (a mix between RFC3489 and RFC5389, as well as a special usecase against a typo in their code)

STUN_COMPATIBILITY_OC2007

 Use the STUN specifications compatible with Microsoft Office Communicator 2007 (basically RFC3489 with swapped REALM and NONCE attribute hex IDs, attributes are not aligned)

STUN_COMPATIBILITY_LAST

 Dummy last compatibility mode

enum StunAgentUsageFlags

typedef enum {
  STUN_AGENT_USAGE_SHORT_TERM_CREDENTIALS    = (1 << 0),
  STUN_AGENT_USAGE_LONG_TERM_CREDENTIALS     = (1 << 1),
  STUN_AGENT_USAGE_USE_FINGERPRINT           = (1 << 2),
  STUN_AGENT_USAGE_ADD_SOFTWARE              = (1 << 3),
  STUN_AGENT_USAGE_IGNORE_CREDENTIALS        = (1 << 4),
  STUN_AGENT_USAGE_NO_INDICATION_AUTH        = (1 << 5),
  STUN_AGENT_USAGE_FORCE_VALIDATER           = (1 << 6),
  STUN_AGENT_USAGE_NO_ALIGNED_ATTRIBUTES     = (1 << 7),
} StunAgentUsageFlags;

This enum defines a bitflag usages for a StunAgent and they will define how the agent should behave, independently of the compatibility mode it uses.

See also: stun_agent_init()

See also: stun_agent_validate()

STUN_AGENT_USAGE_SHORT_TERM_CREDENTIALS

 The agent should be using the short term credentials mechanism for authenticating STUN messages

STUN_AGENT_USAGE_LONG_TERM_CREDENTIALS

 The agent should be using the long term credentials mechanism for authenticating STUN messages

STUN_AGENT_USAGE_USE_FINGERPRINT

 The agent should add the FINGERPRINT attribute to the STUN messages it creates.

STUN_AGENT_USAGE_ADD_SOFTWARE

 The agent should add the SOFTWARE attribute to the STUN messages it creates. Calling nice_agent_set_software() will have the same effect as enabling this Usage. STUN Indications do not have the SOFTWARE attributes added to them though. The SOFTWARE attribute is only added for the RFC5389 and WLM2009 compatibility modes.

STUN_AGENT_USAGE_IGNORE_CREDENTIALS

 The agent should ignore any credentials in the STUN messages it receives (the MESSAGE-INTEGRITY attribute will never be validated by stun_agent_validate())

STUN_AGENT_USAGE_NO_INDICATION_AUTH

 The agent should ignore credentials in the STUN messages it receives if the StunClass of the message is STUN_INDICATION (some implementation require STUN_INDICATION messages to be authenticated, while others never add a MESSAGE-INTEGRITY attribute to a STUN_INDICATION message)

STUN_AGENT_USAGE_FORCE_VALIDATER

 The agent should always try to validate the password of a STUN message, even if it already knows what the password should be (a response to a previously created request). This means that the StunMessageIntegrityValidate callback will always be called when there is a MESSAGE-INTEGRITY attribute.

STUN_AGENT_USAGE_NO_ALIGNED_ATTRIBUTES

 The agent should not assume STUN attributes are aligned on 32-bit boundaries when parsing messages and also do not add padding when creating messages.

enum StunValidationStatus

typedef enum {
  STUN_VALIDATION_SUCCESS,
  STUN_VALIDATION_NOT_STUN,
  STUN_VALIDATION_INCOMPLETE_STUN,
  STUN_VALIDATION_BAD_REQUEST,
  STUN_VALIDATION_UNAUTHORIZED_BAD_REQUEST,
  STUN_VALIDATION_UNAUTHORIZED,
  STUN_VALIDATION_UNMATCHED_RESPONSE,
  STUN_VALIDATION_UNKNOWN_REQUEST_ATTRIBUTE,
  STUN_VALIDATION_UNKNOWN_ATTRIBUTE,
} StunValidationStatus;

This enum is used as the return value of stun_agent_validate() and represents the status result of the validation of a STUN message.

STUN_VALIDATION_SUCCESS

 The message is validated

STUN_VALIDATION_NOT_STUN

 This is not a valid STUN message

STUN_VALIDATION_INCOMPLETE_STUN

 The message seems to be valid but incomplete

STUN_VALIDATION_BAD_REQUEST

 The message does not have the cookie or the fingerprint while the agent needs it with its usage

STUN_VALIDATION_UNAUTHORIZED_BAD_REQUEST

 The message is valid but unauthorized with no username and message-integrity attributes. A BAD_REQUEST error must be generated

STUN_VALIDATION_UNAUTHORIZED

 The message is valid but unauthorized as the username/password do not match. An UNAUTHORIZED error must be generated

STUN_VALIDATION_UNMATCHED_RESPONSE

 The message is valid but this is a response/error that doesn't match a previously sent request

STUN_VALIDATION_UNKNOWN_REQUEST_ATTRIBUTE

 The message is valid but contains one or more unknown comprehension attributes. stun_agent_build_unknown_attributes_error() should be called

STUN_VALIDATION_UNKNOWN_ATTRIBUTE

 The message is valid but contains one or more unknown comprehension attributes. This is a response, or error, or indication message and no error response should be sent

StunMessageIntegrityValidate ()

bool                (*StunMessageIntegrityValidate)     (StunAgent *agent,
                                                         StunMessage *message,
                                                         uint8_t *username,
                                                         uint16_t username_len,
                                                         uint8_t **password,
                                                         size_t *password_len,
                                                         void *user_data);

This is the prototype for the validater argument of the stun_agent_validate() function.

See also: stun_agent_validate()

agent :

 The StunAgent

message :

 The StunMessage being validated

username :

 The username found in the message

username_len :

 The length of username

password :

 The password associated with that username. This argument is a pointer to a byte array that must be set by the validater function.

password_len :

 The length of password which must also be set by the validater function.

user_data :

 Data to give the function

Returns :

 TRUE if the authentication was successful, FALSE if the authentication failed

StunDefaultValidaterData

typedef struct {
  uint8_t *username;
  size_t username_len;
  uint8_t *password;
  size_t password_len;
} StunDefaultValidaterData;

This structure is used as an element of the user_data to the stun_agent_default_validater() function for authenticating a STUN message during validationg.

See also: stun_agent_default_validater()

uint8_t *username;

 The username

size_t username_len;

 The length of the username

uint8_t *password;

 The password

size_t password_len;

 The length of the password

stun_agent_init ()

void                stun_agent_init                     (StunAgent *agent,
                                                         const uint16_t *known_attributes,
                                                         StunCompatibility compatibility,
                                                         StunAgentUsageFlags usage_flags);

This function must be called to initialize an agent before it is being used.

Note

The known_attributes data must exist in memory as long as the agent is used

If the STUN_AGENT_USAGE_SHORT_TERM_CREDENTIALS and STUN_AGENT_USAGE_LONG_TERM_CREDENTIALS usage flags are not set, then the agent will default in using the short term credentials mechanism

The STUN_AGENT_USAGE_USE_FINGERPRINT and STUN_AGENT_USAGE_ADD_SOFTWARE usage flags are only valid if the STUN_COMPATIBILITY_RFC5389 or STUN_COMPATIBILITY_WLM2009 compatibility is used

agent :

 The StunAgent to initialize

known_attributes :

 An array of uint16_t specifying which attributes should be known by the agent. Any STUN message received that contains a mandatory attribute that is not in this array will yield a STUN_VALIDATION_UNKNOWN_REQUEST_ATTRIBUTE or a STUN_VALIDATION_UNKNOWN_ATTRIBUTE error when calling stun_agent_validate()

compatibility :

 The StunCompatibility to use for this agent. This will affect how the agent builds and validates the STUN messages

usage_flags :

 A bitflag using StunAgentUsageFlags values to define which STUN usages the agent should use.

stun_agent_validate ()

StunValidationStatus stun_agent_validate                (StunAgent *agent,
                                                         StunMessage *msg,
                                                         const uint8_t *buffer,
                                                         size_t buffer_len,
                                                         StunMessageIntegrityValidate validater,
                                                         void *validater_data);

This function is used to validate an inbound STUN message and transform its data buffer into a StunMessage. It will take care of various validation algorithms to make sure that the STUN message is valid and correctly authenticated.

See also: stun_agent_default_validater()

agent :

 The StunAgent

msg :

 The StunMessage to build

buffer :

 The data buffer of the STUN message

buffer_len :

 The length of buffer

validater :

 A StunMessageIntegrityValidate function callback that will be called if the agent needs to validate a MESSAGE-INTEGRITY attribute. It will only be called if the agent finds a message that needs authentication and a USERNAME is present in the STUN message, but no password is known. The validater will not be called if the STUN_AGENT_USAGE_IGNORE_CREDENTIALS usage flag is set on the agent, and it will always be called if the STUN_AGENT_USAGE_FORCE_VALIDATER usage flag is set on the agent.

validater_data :

 A user data to give to the validater callback when it gets called.

Returns :

 A StunValidationStatus

Note

if the return value is different from STUN_VALIDATION_NOT_STUN or STUN_VALIDATION_INCOMPLETE_STUN, then the msg argument will contain a valid STUN message that can be used. This means that you can use the msg variable as the request argument to functions like stun_agent_init_error() or stun_agent_build_unknown_attributes_error(). If the return value is STUN_VALIDATION_BAD_REQUEST, STUN_VALIDATION_UNAUTHORIZED or STUN_VALIDATION_UNAUTHORIZED_BAD_REQUEST then the key in the StunMessage will not be set, so that error responses will not have a MESSAGE-INTEGRITY attribute.

stun_agent_default_validater ()

bool                stun_agent_default_validater        (StunAgent *agent,
                                                         StunMessage *message,
                                                         uint8_t *username,
                                                         uint16_t username_len,
                                                         uint8_t **password,
                                                         size_t *password_len,
                                                         void *user_data);

This is a helper function to be used with stun_agent_validate(). If no complicated processing of the username needs to be done, this function can be used with stun_agent_validate() to quickly and easily match the username of a STUN message with its password. Its user_data argument must be an array of StunDefaultValidaterData which will allow us to map a username to a password

See also: stun_agent_validate()

agent :

 The StunAgent

message :

 The StunMessage being validated

username :

 The username found in the message

username_len :

 The length of username

password :

 The password associated with that username. This argument is a pointer to a byte array that must be set by the validater function.

password_len :

 The length of password which must also be set by the validater function.

user_data :

 This must be an array of StunDefaultValidaterData structures. The last element in the array must have a username set to NULL

Returns :

 TRUE if the authentication was successful, FALSE if the authentication failed

stun_agent_init_request ()

bool                stun_agent_init_request             (StunAgent *agent,
                                                         StunMessage *msg,
                                                         uint8_t *buffer,
                                                         size_t buffer_len,
                                                         StunMethod m);

Creates a new STUN message of class STUN_REQUEST and with the method m

agent :

 The StunAgent

msg :

 The StunMessage to build

buffer :

 The buffer to use in the StunMessage

buffer_len :

 The length of the buffer

m :

 The StunMethod of the request

Returns :

 TRUE if the message was initialized correctly, FALSE otherwise

stun_agent_init_indication ()

bool                stun_agent_init_indication          (StunAgent *agent,
                                                         StunMessage *msg,
                                                         uint8_t *buffer,
                                                         size_t buffer_len,
                                                         StunMethod m);

Creates a new STUN message of class STUN_INDICATION and with the method m

agent :

 The StunAgent

msg :

 The StunMessage to build

buffer :

 The buffer to use in the StunMessage

buffer_len :

 The length of the buffer

m :

 The StunMethod of the indication

Returns :

 TRUE if the message was initialized correctly, FALSE otherwise

stun_agent_init_response ()

bool                stun_agent_init_response            (StunAgent *agent,
                                                         StunMessage *msg,
                                                         uint8_t *buffer,
                                                         size_t buffer_len,
                                                         const StunMessage *request);

Creates a new STUN message of class STUN_RESPONSE and with the same method and transaction ID as the message request. This will also copy the pointer to the key that was used to authenticate the request, so you won't need to specify the key with stun_agent_finish_message()

agent :

 The StunAgent

msg :

 The StunMessage to build

buffer :

 The buffer to use in the StunMessage

buffer_len :

 The length of the buffer

request :

 The StunMessage of class STUN_REQUEST that this response is for

Returns :

 TRUE if the message was initialized correctly, FALSE otherwise

stun_agent_init_error ()

bool                stun_agent_init_error               (StunAgent *agent,
                                                         StunMessage *msg,
                                                         uint8_t *buffer,
                                                         size_t buffer_len,
                                                         const StunMessage *request,
                                                         StunError err);

Creates a new STUN message of class STUN_ERROR and with the same method and transaction ID as the message request. This will also copy the pointer to the key that was used to authenticate the request (if authenticated), so you won't need to specify the key with stun_agent_finish_message(). It will then add the ERROR-CODE attribute with code err and the associated string.

agent :

 The StunAgent

msg :

 The StunMessage to build

buffer :

 The buffer to use in the StunMessage

buffer_len :

 The length of the buffer

request :

 The StunMessage of class STUN_REQUEST that this error response is for

err :

 The StunError to put in the ERROR-CODE attribute of the error response

Returns :

 TRUE if the message was initialized correctly, FALSE otherwise

stun_agent_build_unknown_attributes_error ()

size_t              stun_agent_build_unknown_attributes_error
                                                        (StunAgent *agent,
                                                         StunMessage *msg,
                                                         uint8_t *buffer,
                                                         size_t buffer_len,
                                                         const StunMessage *request);

Creates a new STUN message of class STUN_ERROR and with the same method and transaction ID as the message request. It will then add the ERROR-CODE attribute with code STUN_ERROR_UNKNOWN_ATTRIBUTE and add all the unknown mandatory attributes from the request STUN message in the STUN_ATTRIBUTE_UNKNOWN_ATTRIBUTES attribute, it will then finish the message by calling stun_agent_finish_message()

agent :

 The StunAgent

msg :

 The StunMessage to build

buffer :

 The buffer to use in the StunMessage

buffer_len :

 The length of the buffer

request :

 The StunMessage of class STUN_REQUEST that this response is for

Returns :

 The size of the message built

stun_agent_finish_message ()

size_t              stun_agent_finish_message           (StunAgent *agent,
                                                         StunMessage *msg,
                                                         const uint8_t *key,
                                                         size_t key_len);

This function will 'finish' a message and make it ready to be sent. It will add the MESSAGE-INTEGRITY and FINGERPRINT attributes if necessary. If the STUN message has a STUN_REQUEST class, it will save the transaction id of the message in the agent for future matching of the response.

See also: stun_agent_forget_transaction()

agent :

 The StunAgent

msg :

 The StunMessage to finish

key :

 The key to use for the MESSAGE-INTEGRITY attribute

key_len :

 The length of the key

Returns :

 The final size of the message built or 0 if an error occured

Note

The return value must always be checked. a value of 0 means the either the buffer's size is too small to contain the finishing attributes (MESSAGE-INTEGRITY, FINGERPRINT), or that there is no more free slots for saving the sent id in the agent's state.

Everytime stun_agent_finish_message() is called for a STUN_REQUEST message, you must make sure to call stun_agent_forget_transaction() in case the response times out and is never received. This is to avoid filling up the StunAgent's sent ids state preventing any further use of the stun_agent_finish_message()

stun_agent_forget_transaction ()

bool                stun_agent_forget_transaction       (StunAgent *agent,
                                                         StunTransactionId id);

This function is used to make the StunAgent forget about a previously created transaction.

This function should be called when a STUN request was previously created with stun_agent_finish_message() and for which no response was ever received (timed out). The StunAgent keeps a list of the sent transactions in order to validate the responses received. If the response is never received this will allow the StunAgent to forget about the timed out transaction and free its slot for future transactions.

agent :

 The StunAgent

id :

 The StunTransactionId of the transaction to forget

Returns :

 TRUE if the transaction was found, FALSE otherwise

Since 0.0.6

stun_agent_set_software ()

void                stun_agent_set_software             (StunAgent *agent,
                                                         const char *software);

This function will set the value of the SOFTWARE attribute to be added to STUN requests, responses and error responses.

Calling this function will automatically enable the addition of the SOFTWARE attribute for RFC5389 and WLM2009 compatibility modes.

Note

The software argument must be in UTF-8 encoding and only the first 128 characters will be sent.

The value of the software argument must stay valid throughout the life of the StunAgent's life. Do not free its content.

agent :

 The StunAgent

software :

 The value of the SOFTWARE attribute to add.

Since 0.0.10

stun_debug_enable ()

void                stun_debug_enable                   (void);

Enable debug messages to stderr

stun_debug_disable ()

void                stun_debug_disable                  (void);

Disable debug messages to stderr

See Also

StunMessage
Generated by GTK-Doc V1.18
libnice-0.1.4/docs/reference/libnice/html/libnice-Pseudo-TCP-Socket.html0000664000175000017500000012321612112010566022704 00000000000000 Pseudo TCP Socket

Pseudo TCP Socket

Pseudo TCP Socket — Pseudo TCP implementation

Stability Level

Stable, unless otherwise indicated

Synopsis

#include <pseudotcp.h>

                    PseudoTcpSocket;
enum                PseudoTcpState;
enum                PseudoTcpWriteResult;
                    PseudoTcpCallbacks;
enum                PseudoTcpDebugLevel;
PseudoTcpSocket *   pseudo_tcp_socket_new               (guint32 conversation,
                                                         PseudoTcpCallbacks *callbacks);
gboolean            pseudo_tcp_socket_connect           (PseudoTcpSocket *self);
gint                pseudo_tcp_socket_recv              (PseudoTcpSocket *self,
                                                         char *buffer,
                                                         size_t len);
gint                pseudo_tcp_socket_send              (PseudoTcpSocket *self,
                                                         const char *buffer,
                                                         guint32 len);
void                pseudo_tcp_socket_close             (PseudoTcpSocket *self,
                                                         gboolean force);
int                 pseudo_tcp_socket_get_error         (PseudoTcpSocket *self);
gboolean            pseudo_tcp_socket_get_next_clock    (PseudoTcpSocket *self,
                                                         long *timeout);
void                pseudo_tcp_socket_notify_clock      (PseudoTcpSocket *self);
void                pseudo_tcp_socket_notify_mtu        (PseudoTcpSocket *self,
                                                         guint16 mtu);
gboolean            pseudo_tcp_socket_notify_packet     (PseudoTcpSocket *self,
                                                         const gchar *buffer,
                                                         guint32 len);
void                pseudo_tcp_set_debug_level          (PseudoTcpDebugLevel level);

Object Hierarchy

  GObject
   +----PseudoTcpSocket

Properties

  "callbacks"                gpointer              : Read / Write
  "conversation"             guint                 : Read / Write / Construct Only
  "state"                    guint                 : Read

Description

The PseudoTcpSocket is an object implementing a Pseudo Tcp Socket for use over UDP. The socket will implement a subset of the TCP stack to allow for a reliable transport over non-reliable sockets (such as UDP).

See the file tests/test-pseudotcp.c in the source package for an example of how to use the object.

Details

PseudoTcpSocket

typedef struct _PseudoTcpSocket PseudoTcpSocket;

The PseudoTcpSocket is the GObject implementing the Pseudo TCP Socket

Since 0.0.11

enum PseudoTcpState

typedef enum {
  TCP_LISTEN,
  TCP_SYN_SENT,
  TCP_SYN_RECEIVED,
  TCP_ESTABLISHED,
  TCP_CLOSED
} PseudoTcpState;

An enum representing the state of the PseudoTcpSocket.

See also: "state"

TCP_LISTEN

 The socket's initial state. The socket isn't connected and is listening for an incoming connection

TCP_SYN_SENT

 The socket has sent a connection request (SYN) packet and is waiting for an answer

TCP_SYN_RECEIVED

 The socket has received a connection request (SYN) packet.

TCP_ESTABLISHED

 The socket is connected

TCP_CLOSED

 The socket has been closed

Since 0.0.11

enum PseudoTcpWriteResult

typedef enum {
  WR_SUCCESS,
  WR_TOO_LARGE,
  WR_FAIL
} PseudoTcpWriteResult;

An enum representing the result value of the write operation requested by the PseudoTcpSocket.

See also: PseudoTcpCallbacks:WritePacket

WR_SUCCESS

 The write operation was successful

WR_TOO_LARGE

 The socket type requires that message be sent atomically and the size of the message to be sent made this impossible.

WR_FAIL

 There was an error sending the message

Since 0.0.11

PseudoTcpCallbacks

typedef struct {
  gpointer user_data;
  void  (*PseudoTcpOpened) (PseudoTcpSocket *tcp, gpointer data);
  void  (*PseudoTcpReadable) (PseudoTcpSocket *tcp, gpointer data);
  void  (*PseudoTcpWritable) (PseudoTcpSocket *tcp, gpointer data);
  void  (*PseudoTcpClosed) (PseudoTcpSocket *tcp, guint32 error, gpointer data);
  PseudoTcpWriteResult (*WritePacket) (PseudoTcpSocket *tcp,
      const gchar * buffer, guint32 len, gpointer data);
} PseudoTcpCallbacks;

A structure containing callbacks functions that will be called by the PseudoTcpSocket when some events happen.

See also: PseudoTcpWriteResult

gpointer user_data;

 A user defined pointer to be passed to the callbacks

PseudoTcpOpened ()

 The PseudoTcpSocket is now connected

PseudoTcpReadable ()

 The socket is readable

PseudoTcpWritable ()

 The socket is writable

PseudoTcpClosed ()

 The socket was closed

WritePacket ()

 This callback is called when the socket needs to send data.

Since 0.0.11

enum PseudoTcpDebugLevel

typedef enum {
  PSEUDO_TCP_DEBUG_NONE = 0,
  PSEUDO_TCP_DEBUG_NORMAL,
  PSEUDO_TCP_DEBUG_VERBOSE,
} PseudoTcpDebugLevel;

Valid values of debug levels to be set.

PSEUDO_TCP_DEBUG_NONE

 Disable debug messages

PSEUDO_TCP_DEBUG_NORMAL

 Enable basic debug messages

PSEUDO_TCP_DEBUG_VERBOSE

 Enable verbose debug messages

Since 0.0.11

pseudo_tcp_socket_new ()

PseudoTcpSocket *   pseudo_tcp_socket_new               (guint32 conversation,
                                                         PseudoTcpCallbacks *callbacks);

Creates a new PseudoTcpSocket for the specified conversation

Note

The callbacks must be non-NULL, in order to get notified of packets the socket needs to send.

If the callbacks structure was dynamicly allocated, it can be freed after the call pseudo_tcp_socket_new

conversation :

 The conversation id for the socket.

callbacks :

 A pointer to the PseudoTcpCallbacks structure for getting notified of the PseudoTcpSocket events.

Returns :

 The new PseudoTcpSocket object, NULL on error

Since 0.0.11

pseudo_tcp_socket_connect ()

gboolean            pseudo_tcp_socket_connect           (PseudoTcpSocket *self);

Connects the PseudoTcpSocket to the peer with the same conversation id. The connection will only be successful after the PseudoTcpCallbacks:PseudoTcpOpened callback is called

self :

 The PseudoTcpSocket object.

Returns :

 TRUE on success, FALSE on failure (not in TCP_LISTEN state)

See also: pseudo_tcp_socket_get_error()

Since 0.0.11

pseudo_tcp_socket_recv ()

gint                pseudo_tcp_socket_recv              (PseudoTcpSocket *self,
                                                         char *buffer,
                                                         size_t len);

Receive data from the socket.

Note

Only call this on the PseudoTcpCallbacks:PseudoTcpReadable callback.

This function should be called in a loop. If this function does not return -1 with EWOULDBLOCK as the error, the PseudoTcpCallbacks:PseudoTcpReadable callback will not be called again.

self :

 The PseudoTcpSocket object.

buffer :

 The buffer to fill with received data

len :

 The length of buffer

Returns :

 The number of bytes received or -1 in case of error

See also: pseudo_tcp_socket_get_error()

Since 0.0.11

pseudo_tcp_socket_send ()

gint                pseudo_tcp_socket_send              (PseudoTcpSocket *self,
                                                         const char *buffer,
                                                         guint32 len);

Send data on the socket.

Note

If this function return -1 with EWOULDBLOCK as the error, or if the return value is lower than len, then the PseudoTcpCallbacks:PseudoTcpWritable callback will be called when the socket will become writable.

self :

 The PseudoTcpSocket object.

buffer :

 The buffer with data to send

len :

 The length of buffer

Returns :

 The number of bytes sent or -1 in case of error

See also: pseudo_tcp_socket_get_error()

Since 0.0.11

pseudo_tcp_socket_close ()

void                pseudo_tcp_socket_close             (PseudoTcpSocket *self,
                                                         gboolean force);

Close the socket. IF force is set to FALSE, the socket will finish sending pending data before closing.

Note

The PseudoTcpCallbacks:PseudoTcpClosed callback will not be called once the socket gets closed. It is only used for aborted connection. Instead, the socket gets closed when the pseudo_tcp_socket_get_next_clock() function returns FALSE.

See also: pseudo_tcp_socket_get_next_clock()

self :

 The PseudoTcpSocket object.

force :

 TRUE to close the socket forcefully, FALSE to close it gracefully

Since 0.0.11

pseudo_tcp_socket_get_error ()

int                 pseudo_tcp_socket_get_error         (PseudoTcpSocket *self);

Return the last encountered error.

Note

The return value can be :

EINVAL (for pseudo_tcp_socket_connect()).

EWOULDBLOCK or ENOTCONN (for pseudo_tcp_socket_recv() and pseudo_tcp_socket_send()).

self :

 The PseudoTcpSocket object.

Returns :

 The error code

See also: pseudo_tcp_socket_connect()

See also: pseudo_tcp_socket_recv()

See also: pseudo_tcp_socket_send()

Since 0.0.11

pseudo_tcp_socket_get_next_clock ()

gboolean            pseudo_tcp_socket_get_next_clock    (PseudoTcpSocket *self,
                                                         long *timeout);

Call this to determine the timeout needed before the next time call to pseudo_tcp_socket_notify_clock() should be made.

self :

 The PseudoTcpSocket object.

timeout :

 A pointer to be filled with the new timeout.

Returns :

 TRUE if timeout was filled, FALSE if the socket is closed and ready to be destroyed.

See also: pseudo_tcp_socket_notify_clock()

Since 0.0.11

pseudo_tcp_socket_notify_clock ()

void                pseudo_tcp_socket_notify_clock      (PseudoTcpSocket *self);

Start the processing of receiving data, pending data or syn/acks. Call this based on timeout value returned by pseudo_tcp_socket_get_next_clock(). It's ok to call this too frequently.

See also: pseudo_tcp_socket_get_next_clock()

self :

 The PseudoTcpSocket object.

Since 0.0.11

pseudo_tcp_socket_notify_mtu ()

void                pseudo_tcp_socket_notify_mtu        (PseudoTcpSocket *self,
                                                         guint16 mtu);

Set the MTU of the socket

self :

 The PseudoTcpSocket object.

mtu :

 The new MTU of the socket

Since 0.0.11

pseudo_tcp_socket_notify_packet ()

gboolean            pseudo_tcp_socket_notify_packet     (PseudoTcpSocket *self,
                                                         const gchar *buffer,
                                                         guint32 len);

Notify the PseudoTcpSocket when a new packet arrives

self :

 The PseudoTcpSocket object.

buffer :

 The buffer containing the received data

len :

 The length of buffer

Returns :

 TRUE if the packet was processed successfully, FALSE otherwise

Since 0.0.11

pseudo_tcp_set_debug_level ()

void                pseudo_tcp_set_debug_level          (PseudoTcpDebugLevel level);

Sets the debug level to enable/disable normal/verbose debug messages.

level :

 The level of debug to set

Since 0.0.11

Property Details

The "callbacks" property

  "callbacks"                gpointer              : Read / Write

Structure with the callbacks to call when PseudoTcp events happen.

The "conversation" property

  "conversation"             guint                 : Read / Write / Construct Only

The TCP Conversation ID.

Default value: 0

The "state" property

  "state"                    guint                 : Read

The current state (enum PseudoTcpState) of the PseudoTcp socket.

Allowed values: <= 4

Default value: 0

Generated by GTK-Doc V1.18
libnice-0.1.4/docs/reference/libnice/html/libnice-StunMessage.html0000664000175000017500000033727212112010566022042 00000000000000 StunMessage

StunMessage

StunMessage — STUN messages parsing and formatting functions

Stability Level

Stable, unless otherwise indicated

Synopsis

#include <stun/stunmessage.h>

struct              StunMessage;
enum                StunClass;
enum                StunMethod;
enum                StunAttribute;
typedef             StunTransactionId;
enum                StunError;
enum                StunMessageReturn;
#define             STUN_MESSAGE_BUFFER_INCOMPLETE
#define             STUN_MESSAGE_BUFFER_INVALID
bool                stun_message_init                   (StunMessage *msg,
                                                         StunClass c,
                                                         StunMethod m,
                                                         const StunTransactionId id);
uint16_t            stun_message_length                 (const StunMessage *msg);
const void *        stun_message_find                   (const StunMessage *msg,
                                                         StunAttribute type,
                                                         uint16_t *palen);
StunMessageReturn   stun_message_find_flag              (const StunMessage *msg,
                                                         StunAttribute type);
StunMessageReturn   stun_message_find32                 (const StunMessage *msg,
                                                         StunAttribute type,
                                                         uint32_t *pval);
StunMessageReturn   stun_message_find64                 (const StunMessage *msg,
                                                         StunAttribute type,
                                                         uint64_t *pval);
StunMessageReturn   stun_message_find_string            (const StunMessage *msg,
                                                         StunAttribute type,
                                                         char *buf,
                                                         size_t buflen);
StunMessageReturn   stun_message_find_addr              (const StunMessage *msg,
                                                         StunAttribute type,
                                                         struct sockaddr *addr,
                                                         socklen_t *addrlen);
StunMessageReturn   stun_message_find_xor_addr          (const StunMessage *msg,
                                                         StunAttribute type,
                                                         struct sockaddr *addr,
                                                         socklen_t *addrlen);
StunMessageReturn   stun_message_find_xor_addr_full     (const StunMessage *msg,
                                                         StunAttribute type,
                                                         struct sockaddr *addr,
                                                         socklen_t *addrlen,
                                                         uint32_t magic_cookie);
StunMessageReturn   stun_message_find_error             (const StunMessage *msg,
                                                         int *code);
void *              stun_message_append                 (StunMessage *msg,
                                                         StunAttribute type,
                                                         size_t length);
StunMessageReturn   stun_message_append_bytes           (StunMessage *msg,
                                                         StunAttribute type,
                                                         const void *data,
                                                         size_t len);
StunMessageReturn   stun_message_append_flag            (StunMessage *msg,
                                                         StunAttribute type);
StunMessageReturn   stun_message_append32               (StunMessage *msg,
                                                         StunAttribute type,
                                                         uint32_t value);
StunMessageReturn   stun_message_append64               (StunMessage *msg,
                                                         StunAttribute type,
                                                         uint64_t value);
StunMessageReturn   stun_message_append_string          (StunMessage *msg,
                                                         StunAttribute type,
                                                         const char *str);
StunMessageReturn   stun_message_append_addr            (StunMessage *msg,
                                                         StunAttribute type,
                                                         const struct sockaddr *addr,
                                                         socklen_t addrlen);
StunMessageReturn   stun_message_append_xor_addr        (StunMessage *msg,
                                                         StunAttribute type,
                                                         const struct sockaddr *addr,
                                                         socklen_t addrlen);
StunMessageReturn   stun_message_append_xor_addr_full   (StunMessage *msg,
                                                         StunAttribute type,
                                                         const struct sockaddr *addr,
                                                         socklen_t addrlen,
                                                         uint32_t magic_cookie);
StunMessageReturn   stun_message_append_error           (StunMessage *msg,
                                                         StunError code);
int                 stun_message_validate_buffer_length (const uint8_t *msg,
                                                         size_t length,
                                                         bool has_padding);
void                stun_message_id                     (const StunMessage *msg,
                                                         StunTransactionId id);
StunClass           stun_message_get_class              (const StunMessage *msg);
StunMethod          stun_message_get_method             (const StunMessage *msg);
bool                stun_message_has_attribute          (const StunMessage *msg,
                                                         StunAttribute type);
bool                stun_message_has_cookie             (const StunMessage *msg);
bool                stun_optional                       (uint16_t t);
const char *        stun_strerror                       (StunError code);

Description

The STUN Messages API allows you to create STUN messages easily as well as to parse existing messages.

Details

struct StunMessage

struct StunMessage {
  StunAgent *agent;
  uint8_t *buffer;
  size_t buffer_len;
  uint8_t *key;
  size_t key_len;
  uint8_t long_term_key[16];
  bool long_term_valid;
};

This structure represents a STUN message

StunAgent *agent;

 The agent that created or validated this message

uint8_t *buffer;

 The buffer containing the STUN message

size_t buffer_len;

 The length of the buffer (not the size of the message)

uint8_t *key;

 The short term credentials key to use for authentication validation or that was used to finalize this message

size_t key_len;

 The length of the associated key

uint8_t long_term_key[16];

 The long term credential key to use for authentication validation or that was used to finalize this message

bool long_term_valid;

 Whether or not the long_term_key variable contains valid data

enum StunClass

typedef enum {
  STUN_REQUEST=0,
  STUN_INDICATION=1,
  STUN_RESPONSE=2,
  STUN_ERROR=3
} StunClass;

This enum is used to represent the class of a STUN message, as defined in RFC5389

STUN_REQUEST

 A STUN Request message

STUN_INDICATION

 A STUN indication message

STUN_RESPONSE

 A STUN Response message

STUN_ERROR

 A STUN Error message

enum StunMethod

typedef enum {
  STUN_BINDING=0x001,    /* RFC5389 */
  STUN_SHARED_SECRET=0x002,  /* old RFC3489 */
  STUN_ALLOCATE=0x003,    /* TURN-12 */
  STUN_SET_ACTIVE_DST=0x004,  /* TURN-04 */
  STUN_REFRESH=0x004,  /* TURN-12 */
  STUN_SEND=0x004,  /* TURN-00 */
  STUN_CONNECT=0x005,    /* TURN-04 */
  STUN_OLD_SET_ACTIVE_DST=0x006,  /* TURN-00 */
  STUN_IND_SEND=0x006,    /* TURN-12 */
  STUN_IND_DATA=0x007,    /* TURN-12 */
  STUN_IND_CONNECT_STATUS=0x008,  /* TURN-04 */
  STUN_CREATEPERMISSION= 0x008, /* TURN-12 */
  STUN_CHANNELBIND= 0x009 /* TURN-12 */
} StunMethod;

This enum is used to represent the method of a STUN message, as defined by various RFCs

STUN_BINDING

 The Binding method as defined by the RFC5389

STUN_SHARED_SECRET

 The Shared-Secret method as defined by the RFC3489

STUN_ALLOCATE

 The Allocate method as defined by the TURN draft 12

STUN_SET_ACTIVE_DST

 The Set-Active-Destination method as defined by the TURN draft 4

STUN_REFRESH

 The Refresh method as defined by the TURN draft 12

STUN_SEND

 The Send method as defined by the TURN draft 00

STUN_CONNECT

 The Connect method as defined by the TURN draft 4

STUN_OLD_SET_ACTIVE_DST

 The older Set-Active-Destination method as defined by the TURN draft 0

STUN_IND_SEND

 The Send method used in indication messages as defined by the TURN draft 12

STUN_IND_DATA

 The Data method used in indication messages as defined by the TURN draft 12

STUN_IND_CONNECT_STATUS

 The Connect-Status method used in indication messages as defined by the TURN draft 4

STUN_CREATEPERMISSION

 The CreatePermission method as defined by the TURN draft 12

STUN_CHANNELBIND

 The ChannelBind method as defined by the TURN draft 12

enum StunAttribute

typedef enum {
  /* Mandatory attributes */
  /* 0x0000 */        /* reserved */
  STUN_ATTRIBUTE_MAPPED_ADDRESS=0x0001,    /* RFC5389 */
  STUN_ATTRIBUTE_RESPONSE_ADDRESS=0x0002,  /* old RFC3489 */
  STUN_ATTRIBUTE_CHANGE_REQUEST=0x0003,    /* old RFC3489 */
  STUN_ATTRIBUTE_SOURCE_ADDRESS=0x0004,    /* old RFC3489 */
  STUN_ATTRIBUTE_CHANGED_ADDRESS=0x0005,  /* old RFC3489 */
  STUN_ATTRIBUTE_USERNAME=0x0006,      /* RFC5389 */
  STUN_ATTRIBUTE_PASSWORD=0x0007,    /* old RFC3489 */
  STUN_ATTRIBUTE_MESSAGE_INTEGRITY=0x0008,    /* RFC5389 */
  STUN_ATTRIBUTE_ERROR_CODE=0x0009,      /* RFC5389 */
  STUN_ATTRIBUTE_UNKNOWN_ATTRIBUTES=0x000A,    /* RFC5389 */
  STUN_ATTRIBUTE_REFLECTED_FROM=0x000B,    /* old RFC3489 */
  STUN_ATTRIBUTE_CHANNEL_NUMBER=0x000C,        /* TURN-12 */
  STUN_ATTRIBUTE_LIFETIME=0x000D,      /* TURN-12 */
  /* MS_ALTERNATE_SERVER is only used by Microsoft's dialect, probably should
   * not to be placed in STUN_ALL_KNOWN_ATTRIBUTES */
  STUN_ATTRIBUTE_MS_ALTERNATE_SERVER=0x000E, /* MS-TURN */
  STUN_ATTRIBUTE_MAGIC_COOKIE=0x000F,        /* midcom-TURN 08 */
  STUN_ATTRIBUTE_BANDWIDTH=0x0010,      /* TURN-04 */
  STUN_ATTRIBUTE_DESTINATION_ADDRESS=0x0011,        /* midcom-TURN 08 */
  STUN_ATTRIBUTE_REMOTE_ADDRESS=0x0012,    /* TURN-04 */
  STUN_ATTRIBUTE_PEER_ADDRESS=0x0012,    /* TURN-09 */
  STUN_ATTRIBUTE_XOR_PEER_ADDRESS=0x0012,    /* TURN-12 */
  STUN_ATTRIBUTE_DATA=0x0013,      /* TURN-12 */
  STUN_ATTRIBUTE_REALM=0x0014,      /* RFC5389 */
  STUN_ATTRIBUTE_NONCE=0x0015,      /* RFC5389 */
  STUN_ATTRIBUTE_RELAY_ADDRESS=0x0016,    /* TURN-04 */
  STUN_ATTRIBUTE_RELAYED_ADDRESS=0x0016,    /* TURN-09 */
  STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS=0x0016,    /* TURN-12 */
  STUN_ATTRIBUTE_REQUESTED_ADDRESS_TYPE=0x0017,  /* TURN-IPv6-05 */
  STUN_ATTRIBUTE_REQUESTED_PORT_PROPS=0x0018,  /* TURN-04 */
  STUN_ATTRIBUTE_REQUESTED_PROPS=0x0018,  /* TURN-09 */
  STUN_ATTRIBUTE_EVEN_PORT=0x0018,  /* TURN-12 */
  STUN_ATTRIBUTE_REQUESTED_TRANSPORT=0x0019,  /* TURN-12 */
  STUN_ATTRIBUTE_DONT_FRAGMENT=0x001A,  /* TURN-12 */
  /* 0x001B */        /* reserved */
  /* 0x001C */        /* reserved */
  /* 0x001D */        /* reserved */
  /* 0x001E */        /* reserved */
  /* 0x001F */        /* reserved */
  STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS=0x0020,    /* RFC5389 */
  STUN_ATTRIBUTE_TIMER_VAL=0x0021,      /* TURN-04 */
  STUN_ATTRIBUTE_REQUESTED_IP=0x0022,    /* TURN-04 */
  STUN_ATTRIBUTE_RESERVATION_TOKEN=0x0022,    /* TURN-09 */
  STUN_ATTRIBUTE_CONNECT_STAT=0x0023,    /* TURN-04 */
  STUN_ATTRIBUTE_PRIORITY=0x0024,      /* ICE-19 */
  STUN_ATTRIBUTE_USE_CANDIDATE=0x0025,    /* ICE-19 */
  /* 0x0026 */        /* reserved */
  /* 0x0027 */        /* reserved */
  /* 0x0028 */        /* reserved */
  /* 0x0029 */        /* reserved */
  /* 0x002A-0x7fff */      /* reserved */

  /* Optional attributes */
  /* 0x8000-0x8021 */      /* reserved */
  STUN_ATTRIBUTE_OPTIONS=0x8001, /* libjingle */
  STUN_ATTRIBUTE_MS_VERSION=0x8008,    /* MS-TURN */
  STUN_ATTRIBUTE_SOFTWARE=0x8022,      /* RFC5389 */
  STUN_ATTRIBUTE_ALTERNATE_SERVER=0x8023,    /* RFC5389 */
  /* 0x8024 */        /* reserved */
  /* 0x8025 */        /* reserved */
  /* 0x8026 */        /* reserved */
  /* 0x8027 */        /* reserved */
  STUN_ATTRIBUTE_FINGERPRINT=0x8028,    /* RFC5389 */
  STUN_ATTRIBUTE_ICE_CONTROLLED=0x8029,    /* ICE-19 */
  STUN_ATTRIBUTE_ICE_CONTROLLING=0x802A,    /* ICE-19 */
  /* 0x802B-0x804F */      /* reserved */
  STUN_ATTRIBUTE_MS_SEQUENCE_NUMBER=0x8050,     /* MS-TURN */
  /* 0x8051-0x8053 */      /* reserved */
  STUN_ATTRIBUTE_CANDIDATE_IDENTIFIER=0x8054    /* MS-ICE2 */
  /* 0x8055-0xFFFF */      /* reserved */
} StunAttribute;

Known STUN attribute types as defined by various RFCs and drafts

STUN_ATTRIBUTE_MAPPED_ADDRESS

 The MAPPED-ADDRESS attribute as defined by RFC5389

STUN_ATTRIBUTE_RESPONSE_ADDRESS

 The RESPONSE-ADDRESS attribute as defined by RFC3489

STUN_ATTRIBUTE_CHANGE_REQUEST

 The CHANGE-REQUEST attribute as defined by RFC3489

STUN_ATTRIBUTE_SOURCE_ADDRESS

 The SOURCE-ADDRESS attribute as defined by RFC3489

STUN_ATTRIBUTE_CHANGED_ADDRESS

 The CHANGED-ADDRESS attribute as defined by RFC3489

STUN_ATTRIBUTE_USERNAME

 The USERNAME attribute as defined by RFC5389

STUN_ATTRIBUTE_PASSWORD

 The PASSWORD attribute as defined by RFC3489

STUN_ATTRIBUTE_MESSAGE_INTEGRITY

 The MESSAGE-INTEGRITY attribute as defined by RFC5389

STUN_ATTRIBUTE_ERROR_CODE

 The ERROR-CODE attribute as defined by RFC5389

STUN_ATTRIBUTE_UNKNOWN_ATTRIBUTES

 The UNKNOWN-ATTRIBUTES attribute as defined by RFC5389

STUN_ATTRIBUTE_REFLECTED_FROM

 The REFLECTED-FROM attribute as defined by RFC3489

STUN_ATTRIBUTE_CHANNEL_NUMBER

 The CHANNEL-NUMBER attribute as defined by TURN draft 09 and 12

STUN_ATTRIBUTE_LIFETIME

 The LIFETIME attribute as defined by TURN draft 04, 09 and 12

STUN_ATTRIBUTE_MS_ALTERNATE_SERVER

STUN_ATTRIBUTE_MAGIC_COOKIE

 The MAGIC-COOKIE attribute as defined by the rosenberg-midcom TURN draft 08

STUN_ATTRIBUTE_BANDWIDTH

 The BANDWIDTH attribute as defined by TURN draft 04

STUN_ATTRIBUTE_DESTINATION_ADDRESS

 The DESTINATION-ADDRESS attribute as defined by the rosenberg-midcom TURN draft 08

STUN_ATTRIBUTE_REMOTE_ADDRESS

 The REMOTE-ADDRESS attribute as defined by TURN draft 04

STUN_ATTRIBUTE_PEER_ADDRESS

 The PEER-ADDRESS attribute as defined by TURN draft 09

STUN_ATTRIBUTE_XOR_PEER_ADDRESS

 The XOR-PEER-ADDRESS attribute as defined by TURN draft 12

STUN_ATTRIBUTE_DATA

 The DATA attribute as defined by TURN draft 04, 09 and 12

STUN_ATTRIBUTE_REALM

 The REALM attribute as defined by RFC5389

STUN_ATTRIBUTE_NONCE

 The NONCE attribute as defined by RFC5389

STUN_ATTRIBUTE_RELAY_ADDRESS

 The RELAY-ADDRESS attribute as defined by TURN draft 04

STUN_ATTRIBUTE_RELAYED_ADDRESS

 The RELAYED-ADDRESS attribute as defined by TURN draft 09

STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS

 The XOR-RELAYED-ADDRESS attribute as defined by TURN draft 12

STUN_ATTRIBUTE_REQUESTED_ADDRESS_TYPE

 The REQUESTED-ADDRESS-TYPE attribute as defined by TURN-IPV6 draft 05

STUN_ATTRIBUTE_REQUESTED_PORT_PROPS

 The REQUESTED-PORT-PROPS attribute as defined by TURN draft 04

STUN_ATTRIBUTE_REQUESTED_PROPS

 The REQUESTED-PROPS attribute as defined by TURN draft 09

STUN_ATTRIBUTE_EVEN_PORT

 The EVEN-PORT attribute as defined by TURN draft 12

STUN_ATTRIBUTE_REQUESTED_TRANSPORT

 The REQUESTED-TRANSPORT attribute as defined by TURN draft 12

STUN_ATTRIBUTE_DONT_FRAGMENT

 The DONT-FRAGMENT attribute as defined by TURN draft 12

STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS

 The XOR-MAPPED-ADDRESS attribute as defined by RFC5389

STUN_ATTRIBUTE_TIMER_VAL

 The TIMER-VAL attribute as defined by TURN draft 04

STUN_ATTRIBUTE_REQUESTED_IP

 The REQUESTED-IP attribute as defined by TURN draft 04

STUN_ATTRIBUTE_RESERVATION_TOKEN

 The RESERVATION-TOKEN attribute as defined by TURN draft 09 and 12

STUN_ATTRIBUTE_CONNECT_STAT

 The CONNECT-STAT attribute as defined by TURN draft 04

STUN_ATTRIBUTE_PRIORITY

 The PRIORITY attribute as defined by ICE draft 19

STUN_ATTRIBUTE_USE_CANDIDATE

 The USE-CANDIDATE attribute as defined by ICE draft 19

STUN_ATTRIBUTE_OPTIONS

 The OPTIONS optional attribute as defined by libjingle

STUN_ATTRIBUTE_MS_VERSION

 The MS-VERSION optional attribute as defined by [MS-TURN]

STUN_ATTRIBUTE_SOFTWARE

 The SOFTWARE optional attribute as defined by RFC5389

STUN_ATTRIBUTE_ALTERNATE_SERVER

 The ALTERNATE-SERVER optional attribute as defined by RFC5389

STUN_ATTRIBUTE_FINGERPRINT

 The FINGERPRINT optional attribute as defined by RFC5389

STUN_ATTRIBUTE_ICE_CONTROLLED

 The ICE-CONTROLLED optional attribute as defined by ICE draft 19

STUN_ATTRIBUTE_ICE_CONTROLLING

 The ICE-CONTROLLING optional attribute as defined by ICE draft 19

STUN_ATTRIBUTE_MS_SEQUENCE_NUMBER

 The MS-SEQUENCE NUMBER optional attribute as defined by [MS-TURN]

STUN_ATTRIBUTE_CANDIDATE_IDENTIFIER

 The CANDIDATE-IDENTIFIER optional attribute as defined by [MS-ICE2]

StunTransactionId

typedef uint8_t StunTransactionId[STUN_MESSAGE_TRANS_ID_LEN];

A type that holds a STUN transaction id.

enum StunError

typedef enum {
  STUN_ERROR_TRY_ALTERNATE=300,      /* RFC5389 */
  STUN_ERROR_BAD_REQUEST=400,      /* RFC5389 */
  STUN_ERROR_UNAUTHORIZED=401,      /* RFC5389 */
  STUN_ERROR_UNKNOWN_ATTRIBUTE=420,    /* RFC5389 */
  STUN_ERROR_ALLOCATION_MISMATCH=437,   /* TURN-12 */
  STUN_ERROR_STALE_NONCE=438,      /* RFC5389 */
  STUN_ERROR_ACT_DST_ALREADY=439,    /* TURN-04 */
  STUN_ERROR_UNSUPPORTED_FAMILY=440,      /* TURN-IPv6-05 */
  STUN_ERROR_WRONG_CREDENTIALS=441,    /* TURN-12 */
  STUN_ERROR_UNSUPPORTED_TRANSPORT=442,    /* TURN-12 */
  STUN_ERROR_INVALID_IP=443,      /* TURN-04 */
  STUN_ERROR_INVALID_PORT=444,      /* TURN-04 */
  STUN_ERROR_OP_TCP_ONLY=445,      /* TURN-04 */
  STUN_ERROR_CONN_ALREADY=446,      /* TURN-04 */
  STUN_ERROR_ALLOCATION_QUOTA_REACHED=486,    /* TURN-12 */
  STUN_ERROR_ROLE_CONFLICT=487,      /* ICE-19 */
  STUN_ERROR_SERVER_ERROR=500,      /* RFC5389 */
  STUN_ERROR_SERVER_CAPACITY=507,    /* TURN-04 */
  STUN_ERROR_INSUFFICIENT_CAPACITY=508,    /* TURN-12 */
  STUN_ERROR_MAX=699
} StunError;

STUN error codes as defined by various RFCs and drafts

STUN_ERROR_TRY_ALTERNATE

 The ERROR-CODE value for the "Try Alternate" error as defined in RFC5389

STUN_ERROR_BAD_REQUEST

 The ERROR-CODE value for the "Bad Request" error as defined in RFC5389

STUN_ERROR_UNAUTHORIZED

 The ERROR-CODE value for the "Unauthorized" error as defined in RFC5389

STUN_ERROR_UNKNOWN_ATTRIBUTE

 The ERROR-CODE value for the "Unknown Attribute" error as defined in RFC5389

STUN_ERROR_ALLOCATION_MISMATCH

 The ERROR-CODE value for the "Allocation Mismatch" error as defined in TURN draft 12. Equivalent to the "No Binding" error defined in TURN draft 04.

STUN_ERROR_STALE_NONCE

 The ERROR-CODE value for the "Stale Nonce" error as defined in RFC5389

STUN_ERROR_ACT_DST_ALREADY

 The ERROR-CODE value for the "Active Destination Already Set" error as defined in TURN draft 04.

STUN_ERROR_UNSUPPORTED_FAMILY

 The ERROR-CODE value for the "Address Family not Supported" error as defined in TURN IPV6 Draft 05.

STUN_ERROR_WRONG_CREDENTIALS

 The ERROR-CODE value for the "Wrong Credentials" error as defined in TURN Draft 12.

STUN_ERROR_UNSUPPORTED_TRANSPORT

 he ERROR-CODE value for the "Unsupported Transport Protocol" error as defined in TURN Draft 12.

STUN_ERROR_INVALID_IP

 The ERROR-CODE value for the "Invalid IP Address" error as defined in TURN draft 04.

STUN_ERROR_INVALID_PORT

 The ERROR-CODE value for the "Invalid Port" error as defined in TURN draft 04.

STUN_ERROR_OP_TCP_ONLY

 The ERROR-CODE value for the "Operation for TCP Only" error as defined in TURN draft 04.

STUN_ERROR_CONN_ALREADY

 The ERROR-CODE value for the "Connection Already Exists" error as defined in TURN draft 04.

STUN_ERROR_ALLOCATION_QUOTA_REACHED

 The ERROR-CODE value for the "Allocation Quota Reached" error as defined in TURN draft 12.

STUN_ERROR_ROLE_CONFLICT

 The ERROR-CODE value for the "Role Conflict" error as defined in ICE draft 19.

STUN_ERROR_SERVER_ERROR

 The ERROR-CODE value for the "Server Error" error as defined in RFC5389

STUN_ERROR_SERVER_CAPACITY

 The ERROR-CODE value for the "Insufficient Capacity" error as defined in TURN draft 04.

STUN_ERROR_INSUFFICIENT_CAPACITY

 The ERROR-CODE value for the "Insufficient Capacity" error as defined in TURN draft 12.

STUN_ERROR_MAX

 The maximum possible ERROR-CODE value as defined by RFC 5389.

enum StunMessageReturn

typedef enum {
  STUN_MESSAGE_RETURN_SUCCESS,
  STUN_MESSAGE_RETURN_NOT_FOUND,
  STUN_MESSAGE_RETURN_INVALID,
  STUN_MESSAGE_RETURN_NOT_ENOUGH_SPACE,
  STUN_MESSAGE_RETURN_UNSUPPORTED_ADDRESS
} StunMessageReturn;

The return value of most stun_message_* functions. This enum will report on whether an operation was successful or not and what error occured if any.

STUN_MESSAGE_RETURN_SUCCESS

 The operation was successful

STUN_MESSAGE_RETURN_NOT_FOUND

 The attribute was not found

STUN_MESSAGE_RETURN_INVALID

 The argument or data is invalid

STUN_MESSAGE_RETURN_NOT_ENOUGH_SPACE

 There is not enough space in the message to append data to it, or not enough in an argument to fill it with the data requested.

STUN_MESSAGE_RETURN_UNSUPPORTED_ADDRESS

 The address in the arguments or in the STUN message is not supported.

STUN_MESSAGE_BUFFER_INCOMPLETE

#define STUN_MESSAGE_BUFFER_INCOMPLETE 0

Convenience macro for stun_message_validate_buffer_length() meaning that the data to validate does not hold a complete STUN message

STUN_MESSAGE_BUFFER_INVALID

#define STUN_MESSAGE_BUFFER_INVALID -1

Convenience macro for stun_message_validate_buffer_length() meaning that the data to validate is not a valid STUN message

stun_message_init ()

bool                stun_message_init                   (StunMessage *msg,
                                                         StunClass c,
                                                         StunMethod m,
                                                         const StunTransactionId id);

Initializes a STUN message buffer, with no attributes.

msg :

 The StunMessage to initialize

c :

 STUN message class (host byte order)

m :

 STUN message method (host byte order)

id :

 16-bytes transaction ID

Returns :

 TRUE if the initialization was successful

stun_message_length ()

uint16_t            stun_message_length                 (const StunMessage *msg);

Get the length of the message (including the header)

msg :

 The StunMessage

Returns :

 The length of the message

stun_message_find ()

const void *        stun_message_find                   (const StunMessage *msg,
                                                         StunAttribute type,
                                                         uint16_t *palen);

Finds an attribute in a STUN message and fetches its content

msg :

 The StunMessage

type :

 The StunAttribute to find

palen :

 A pointer to store the length of the attribute

Returns :

 A pointer to the start of the attribute payload if found, otherwise NULL.

stun_message_find_flag ()

StunMessageReturn   stun_message_find_flag              (const StunMessage *msg,
                                                         StunAttribute type);

Looks for a flag attribute within a valid STUN message.

msg :

 The StunMessage

type :

 The StunAttribute to find

Returns :

 A StunMessageReturn value. STUN_MESSAGE_RETURN_INVALID is returned if the attribute's size is not zero.

stun_message_find32 ()

StunMessageReturn   stun_message_find32                 (const StunMessage *msg,
                                                         StunAttribute type,
                                                         uint32_t *pval);

Extracts a 32-bits attribute from a STUN message.

msg :

 The StunMessage

type :

 The StunAttribute to find

pval :

 A pointer where to store the value (host byte order)

Returns :

 A StunMessageReturn value. STUN_MESSAGE_RETURN_INVALID is returned if the attribute's size is not 4 bytes.

stun_message_find64 ()

StunMessageReturn   stun_message_find64                 (const StunMessage *msg,
                                                         StunAttribute type,
                                                         uint64_t *pval);

Extracts a 64-bits attribute from a STUN message.

msg :

 The StunMessage

type :

 The StunAttribute to find

pval :

 A pointer where to store the value (host byte order)

Returns :

 A StunMessageReturn value. STUN_MESSAGE_RETURN_INVALID is returned if the attribute's size is not 8 bytes.

stun_message_find_string ()

StunMessageReturn   stun_message_find_string            (const StunMessage *msg,
                                                         StunAttribute type,
                                                         char *buf,
                                                         size_t buflen);

Extracts an UTF-8 string from a valid STUN message.

msg :

 The StunMessage

type :

 The StunAttribute to find

buf :

 A pointer where to store the data

buflen :

 The length of the buffer

Returns :

 A StunMessageReturn value. STUN_MESSAGE_RETURN_INVALID is returned if the attribute is improperly encoded STUN_MESSAGE_RETURN_NOT_ENOUGH_SPACE is return if the buffer size is too small to hold the string

Note

The string will be NULL-terminated.

stun_message_find_addr ()

StunMessageReturn   stun_message_find_addr              (const StunMessage *msg,
                                                         StunAttribute type,
                                                         struct sockaddr *addr,
                                                         socklen_t *addrlen);

Extracts a network address attribute from a STUN message.

msg :

 The StunMessage

type :

 The StunAttribute to find

addr :

 The sockaddr to be filled

addrlen :

 The size of the addr variable. Must be set to the size of the addr socket address and will be set to the size of the extracted socket address.

Returns :

 A StunMessageReturn value. STUN_MESSAGE_RETURN_INVALID is returned if the attribute payload size is wrong or if the addrlen is too small STUN_MESSAGE_RETURN_UNSUPPORTED_ADDRESS if the address family is unknown.

stun_message_find_xor_addr ()

StunMessageReturn   stun_message_find_xor_addr          (const StunMessage *msg,
                                                         StunAttribute type,
                                                         struct sockaddr *addr,
                                                         socklen_t *addrlen);

Extracts an obfuscated network address attribute from a STUN message.

msg :

 The StunMessage

type :

 The StunAttribute to find

addr :

 The sockaddr to be filled

addrlen :

 The size of the addr variable. Must be set to the size of the addr socket address and will be set to the size of the extracted socket address.

Returns :

 A StunMessageReturn value. STUN_MESSAGE_RETURN_INVALID is returned if the attribute payload size is wrong or if the addrlen is too small STUN_MESSAGE_RETURN_UNSUPPORTED_ADDRESS if the address family is unknown.

stun_message_find_xor_addr_full ()

StunMessageReturn   stun_message_find_xor_addr_full     (const StunMessage *msg,
                                                         StunAttribute type,
                                                         struct sockaddr *addr,
                                                         socklen_t *addrlen,
                                                         uint32_t magic_cookie);

Extracts an obfuscated network address attribute from a STUN message.

msg :

 The StunMessage

type :

 The StunAttribute to find

addr :

 The sockaddr to be filled

addrlen :

 The size of the addr variable. Must be set to the size of the addr socket address and will be set to the size of the extracted socket address.

magic_cookie :

 The magic cookie to use to XOR the address.

Returns :

 A StunMessageReturn value. STUN_MESSAGE_RETURN_INVALID is returned if the attribute payload size is wrong or if the addrlen is too small STUN_MESSAGE_RETURN_UNSUPPORTED_ADDRESS if the address family is unknown.

stun_message_find_error ()

StunMessageReturn   stun_message_find_error             (const StunMessage *msg,
                                                         int *code);

Extract the error response code from a STUN message

msg :

 The StunMessage

code :

 A pointer where to store the value

Returns :

 A StunMessageReturn value. STUN_MESSAGE_RETURN_INVALID is returned if the value is invalid

stun_message_append ()

void *              stun_message_append                 (StunMessage *msg,
                                                         StunAttribute type,
                                                         size_t length);

Reserves room for appending an attribute to an unfinished STUN message.

msg :

 The StunMessage

type :

 The StunAttribute to append

length :

 The length of the attribute

Returns :

 A pointer to an unitialized buffer of length bytes to where the attribute payload must be written, or NULL if there is not enough room in the STUN message buffer.

stun_message_append_bytes ()

StunMessageReturn   stun_message_append_bytes           (StunMessage *msg,
                                                         StunAttribute type,
                                                         const void *data,
                                                         size_t len);

Appends a binary value to a STUN message

msg :

 The StunMessage

type :

 The StunAttribute to append

data :

 The data to append

len :

 The length of the attribute

Returns :

 A StunMessageReturn value.

stun_message_append_flag ()

StunMessageReturn   stun_message_append_flag            (StunMessage *msg,
                                                         StunAttribute type);

Appends an empty flag attribute to a STUN message

msg :

 The StunMessage

type :

 The StunAttribute to append

Returns :

 A StunMessageReturn value.

stun_message_append32 ()

StunMessageReturn   stun_message_append32               (StunMessage *msg,
                                                         StunAttribute type,
                                                         uint32_t value);

Appends a 32-bits value attribute to a STUN message

msg :

 The StunMessage

type :

 The StunAttribute to append

value :

 The value to append (host byte order)

Returns :

 A StunMessageReturn value.

stun_message_append64 ()

StunMessageReturn   stun_message_append64               (StunMessage *msg,
                                                         StunAttribute type,
                                                         uint64_t value);

Appends a 64-bits value attribute to a STUN message

msg :

 The StunMessage

type :

 The StunAttribute to append

value :

 The value to append (host byte order)

Returns :

 A StunMessageReturn value.

stun_message_append_string ()

StunMessageReturn   stun_message_append_string          (StunMessage *msg,
                                                         StunAttribute type,
                                                         const char *str);

Adds an attribute from a NULL-terminated string to a STUN message

msg :

 The StunMessage

type :

 The StunAttribute to append

str :

 The string to append

Returns :

 A StunMessageReturn value.

stun_message_append_addr ()

StunMessageReturn   stun_message_append_addr            (StunMessage *msg,
                                                         StunAttribute type,
                                                         const struct sockaddr *addr,
                                                         socklen_t addrlen);

Append a network address attribute to a STUN message

msg :

 The StunMessage

type :

 The StunAttribute to append

addr :

 The sockaddr to be append

addrlen :

 The size of the addr variable.

Returns :

 A StunMessageReturn value. STUN_MESSAGE_RETURN_INVALID is returned if the addrlen is too small STUN_MESSAGE_RETURN_UNSUPPORTED_ADDRESS if the address family is unknown.

stun_message_append_xor_addr ()

StunMessageReturn   stun_message_append_xor_addr        (StunMessage *msg,
                                                         StunAttribute type,
                                                         const struct sockaddr *addr,
                                                         socklen_t addrlen);

Append an obfuscated network address attribute to a STUN message

msg :

 The StunMessage

type :

 The StunAttribute to append

addr :

 The sockaddr to be append

addrlen :

 The size of the addr variable.

Returns :

 A StunMessageReturn value. STUN_MESSAGE_RETURN_INVALID is returned if the addrlen is too small STUN_MESSAGE_RETURN_UNSUPPORTED_ADDRESS if the address family is unknown.

stun_message_append_xor_addr_full ()

StunMessageReturn   stun_message_append_xor_addr_full   (StunMessage *msg,
                                                         StunAttribute type,
                                                         const struct sockaddr *addr,
                                                         socklen_t addrlen,
                                                         uint32_t magic_cookie);

Append an obfuscated network address attribute from a STUN message.

msg :

 The StunMessage

type :

 The StunAttribute to append

addr :

 The sockaddr to be append

addrlen :

 The size of the addr variable.

magic_cookie :

 The magic cookie to use to XOR the address.

Returns :

 A StunMessageReturn value. STUN_MESSAGE_RETURN_INVALID is returned if the addrlen is too small STUN_MESSAGE_RETURN_UNSUPPORTED_ADDRESS if the address family is unknown.

stun_message_append_error ()

StunMessageReturn   stun_message_append_error           (StunMessage *msg,
                                                         StunError code);

Appends the ERROR-CODE attribute to the STUN message and fills it according to code

msg :

 The StunMessage

code :

 The error code value

Returns :

 A StunMessageReturn value.

stun_message_validate_buffer_length ()

int                 stun_message_validate_buffer_length (const uint8_t *msg,
                                                         size_t length,
                                                         bool has_padding);

This function will take a data buffer and will try to validate whether it is a STUN message or if it's not or if it's an incomplete STUN message and will provide us with the length of the STUN message.

msg :

 The buffer to validate

length :

 The length of the buffer

has_padding :

 Set TRUE if attributes should be padded to multiple of 4 bytes

Returns :

 The length of the valid STUN message in the buffer.

See also: STUN_MESSAGE_BUFFER_INCOMPLETE

See also: STUN_MESSAGE_BUFFER_INVALID

stun_message_id ()

void                stun_message_id                     (const StunMessage *msg,
                                                         StunTransactionId id);

Retreive the STUN transaction id from a STUN message

msg :

 The StunMessage

id :

 The StunTransactionId to fill

stun_message_get_class ()

StunClass           stun_message_get_class              (const StunMessage *msg);

Retreive the STUN class from a STUN message

msg :

 The StunMessage

Returns :

 The StunClass

stun_message_get_method ()

StunMethod          stun_message_get_method             (const StunMessage *msg);

Retreive the STUN method from a STUN message

msg :

 The StunMessage

Returns :

 The StunMethod

stun_message_has_attribute ()

bool                stun_message_has_attribute          (const StunMessage *msg,
                                                         StunAttribute type);

Checks if an attribute is present within a STUN message.

msg :

 The StunMessage

type :

 The StunAttribute to look for

Returns :

 TRUE if the attribute is found, FALSE otherwise

stun_message_has_cookie ()

bool                stun_message_has_cookie             (const StunMessage *msg);

Checks if the STUN message has a RFC5389 compatible cookie

msg :

 The StunMessage

Returns :

 TRUE if the cookie is present, FALSE otherwise

stun_optional ()

bool                stun_optional                       (uint16_t t);

Helper function that checks whether a STUN attribute is a mandatory or an optional attribute

t :

 An attribute type

Returns :

 TRUE if the attribute is an optional one

stun_strerror ()

const char *        stun_strerror                       (StunError code);

Transforms a STUN error-code into a human readable string

code :

 host-byte order error code

Returns :

 A static pointer to a NULL-terminated error message string.

See Also

StunAgent
Generated by GTK-Doc V1.18
libnice-0.1.4/docs/reference/libnice/html/index.html0000664000175000017500000000772412112010566017304 00000000000000 libnice Reference Manual

The latest version of this documentation can be found on-line at http://nice.freedesktop.org/libnice/.

I. ICE Library
NiceAgent — ICE agent API implementation
NiceAddress — IP address convenience library
NiceCandidate — ICE candidate representation
Libnice helper functions
Debug messages — Debug messages utility functions
Network interfaces discovery — Utility functions to discover local network interfaces
II. STUN Library
StunAgent — STUN agent for building and validating STUN messages
StunMessage — STUN messages parsing and formatting functions
STUN usages
Bind — STUN Binding Usage
ICE — STUN ICE Usage
TURN — TURN Allocation Usage
Timer — STUN timer Usage
III. Pseudo TCP Socket implementation
Pseudo TCP Socket — Pseudo TCP implementation

The libnice library contains the ICE library and the STUN library as well as a Pseudo TCP socket implementation.

Generated by GTK-Doc V1.18
libnice-0.1.4/docs/reference/libnice/html/index.sgml0000664000175000017500000014051212112010566017273 00000000000000 libnice-0.1.4/docs/reference/libnice/html/libnice-Bind.html0000664000175000017500000004542312112010566020452 00000000000000 Bind

Bind

Bind — STUN Binding Usage

Stability Level

Stable, unless otherwise indicated

Synopsis

#include <stun/usages/bind.h>

enum                StunUsageBindReturn;
size_t              stun_usage_bind_create              (StunAgent *agent,
                                                         StunMessage *msg,
                                                         uint8_t *buffer,
                                                         size_t buffer_len);
StunUsageBindReturn stun_usage_bind_process             (StunMessage *msg,
                                                         struct sockaddr *addr,
                                                         socklen_t *addrlen,
                                                         struct sockaddr *alternate_server,
                                                         socklen_t *alternate_server_len);
size_t              stun_usage_bind_keepalive           (StunAgent *agent,
                                                         StunMessage *msg,
                                                         uint8_t *buf,
                                                         size_t len);
StunUsageBindReturn stun_usage_bind_run                 (const struct sockaddr *srv,
                                                         socklen_t srvlen,
                                                         struct sockaddr *addr,
                                                         socklen_t *addrlen);

Description

The STUN Binding usage allows for easily creating and parsing STUN Binding requests and responses. It offers both an asynchronous and a synchronous API that uses the STUN timer usage.

Details

enum StunUsageBindReturn

typedef enum {
  STUN_USAGE_BIND_RETURN_SUCCESS,
  STUN_USAGE_BIND_RETURN_ERROR,
  STUN_USAGE_BIND_RETURN_INVALID,
  STUN_USAGE_BIND_RETURN_ALTERNATE_SERVER,
  STUN_USAGE_BIND_RETURN_TIMEOUT,
} StunUsageBindReturn;

Return value of stun_usage_bind_process() and stun_usage_bind_run() which allows you to see what status the function call returned.

STUN_USAGE_BIND_RETURN_SUCCESS

 The binding usage succeeded

STUN_USAGE_BIND_RETURN_ERROR

 There was an unknown error in the bind usage

STUN_USAGE_BIND_RETURN_INVALID

 The message is invalid and should be ignored

STUN_USAGE_BIND_RETURN_ALTERNATE_SERVER

 The binding request has an ALTERNATE-SERVER attribute

STUN_USAGE_BIND_RETURN_TIMEOUT

 The binding was unsuccessful because it has timed out.

stun_usage_bind_create ()

size_t              stun_usage_bind_create              (StunAgent *agent,
                                                         StunMessage *msg,
                                                         uint8_t *buffer,
                                                         size_t buffer_len);

Create a new STUN binding request to use with a STUN server.

agent :

 The StunAgent to use to create the binding request

msg :

 The StunMessage to build

buffer :

 The buffer to use for creating the StunMessage

buffer_len :

 The size of the buffer

Returns :

 The length of the built message.

stun_usage_bind_process ()

StunUsageBindReturn stun_usage_bind_process             (StunMessage *msg,
                                                         struct sockaddr *addr,
                                                         socklen_t *addrlen,
                                                         struct sockaddr *alternate_server,
                                                         socklen_t *alternate_server_len);

Process a STUN binding response and extracts the mapped address from the STUN message. Also checks for the ALTERNATE-SERVER attribute.

msg :

 The StunMessage to process

addr :

 A pointer to a sockaddr structure to fill with the mapped address that the STUN server gives us

addrlen :

 The length of add. rMust be set to the size of the addr socket address and will be set to the actual length of the socket address.

alternate_server :

 A pointer to a sockaddr structure to fill with the address of an alternate server to which we should send our new STUN binding request, in case the currently used STUN server is requesting the use of an alternate server. This argument will only be filled if the return value of the function is STUN_USAGE_BIND_RETURN_ALTERNATE_SERVER

alternate_server_len :

 The length of alternate_server. Must be set to the size of the alternate_server socket address and will be set to the actual length of the socket address.

Returns :

 A StunUsageBindReturn value. Note that STUN_USAGE_BIND_RETURN_TIMEOUT cannot be returned by this function

stun_usage_bind_keepalive ()

size_t              stun_usage_bind_keepalive           (StunAgent *agent,
                                                         StunMessage *msg,
                                                         uint8_t *buf,
                                                         size_t len);

Creates a STUN binding indication that can be used for a keepalive. Since this is an indication message, no STUN response will be generated and it can only be used as a keepalive message.

agent :

 The StunAgent to use to build the message

msg :

 The StunMessage to build

buf :

 The buffer to use for creating the StunMessage

len :

 The size of the buf

Returns :

 The length of the message to send

stun_usage_bind_run ()

StunUsageBindReturn stun_usage_bind_run                 (const struct sockaddr *srv,
                                                         socklen_t srvlen,
                                                         struct sockaddr *addr,
                                                         socklen_t *addrlen);

This is a convenience function that will do a synchronous Binding request to a server and wait for its answer. It will create the socket transports and use the StunTimer usage to send the request and handle the response.

srv :

 A pointer to the sockaddr structure representing the STUN server's address

srvlen :

 The length of srv

addr :

 A pointer to a sockaddr structure to fill with the mapped address that the STUN server gives us

addrlen :

 The length of addr

Returns :

 A StunUsageBindReturn. Possible return values are STUN_USAGE_BIND_RETURN_SUCCESS, STUN_USAGE_BIND_RETURN_ERROR and STUN_USAGE_BIND_RETURN_TIMEOUT
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libnice-0.1.4/docs/reference/libnice/html/libnice-Debug-messages.html0000664000175000017500000001422412112010566022424 00000000000000 Debug messages

Debug messages

Debug messages — Debug messages utility functions

Stability Level

Unstable, unless otherwise indicated

Synopsis

void                nice_debug_enable                   (gboolean with_stun);
void                nice_debug_disable                  (gboolean with_stun);

Description

Libnice can output a lot of information when debug messages are enabled. This can significantly help track down problems and/or understand what it's doing.

You can enable/disable the debug messages by calling nice_debug_enable() or nice_debug_disable() and choosing whether you want only ICE debug messages or also stun debug messages.

By default, the debug messages are disabled, unless the environment variable NICE_DEBUG is set, in which case, it must contain a comma separated list of flags specifying which debug to enable.

The currently available flags are "nice", "stun", "pseudotcp", "pseudotcp-verbose" or "all" to enable all debug messages.

If the 'pseudotcp' flag is enabled, then 'pseudotcp-verbose' gets automatically disabled. This is to allow the use of the 'all' flag without having verbose messages from pseudotcp. You can enable verbose debug messages from the pseudotcp layer by specifying 'pseudotcp-verbose' without the 'pseudotcp' flag.

This API is unstable and is subject to change at any time... More flags are to come and a better API to enable/disable each flag should be added.

Details

nice_debug_enable ()

void                nice_debug_enable                   (gboolean with_stun);

Enables libnice debug output to the terminal

with_stun :

 Also enable stun debugging messages

nice_debug_disable ()

void                nice_debug_disable                  (gboolean with_stun);

Disables libnice debug output to the terminal

with_stun :

 Also disable stun debugging messages
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libnice-0.1.4/docs/reference/libnice/html/libnice-NiceCandidate.html0000664000175000017500000004650212112010566022250 00000000000000 NiceCandidate

NiceCandidate

NiceCandidate — ICE candidate representation

Stability Level

Stable, unless otherwise indicated

Synopsis

struct              NiceCandidate;
enum                NiceCandidateType;
enum                NiceCandidateTransport;
struct              TurnServer;
enum                NiceRelayType;
#define             NICE_CANDIDATE_MAX_FOUNDATION
NiceCandidate *     nice_candidate_new                  (NiceCandidateType type);
void                nice_candidate_free                 (NiceCandidate *candidate);
NiceCandidate *     nice_candidate_copy                 (const NiceCandidate *candidate);

Description

A representation of an ICE candidate. Make sure you read the ICE drafts[1] to understand correctly the concept of ICE candidates.

[1] http://tools.ietf.org/wg/mmusic/draft-ietf-mmusic-ice/

Details

struct NiceCandidate

struct NiceCandidate {
  NiceCandidateType type;
  NiceCandidateTransport transport;
  NiceAddress addr;
  NiceAddress base_addr;
  guint32 priority;
  guint stream_id;
  guint component_id;
  gchar foundation[NICE_CANDIDATE_MAX_FOUNDATION];
  gchar *username;        /* pointer to a NULL-terminated username string */
  gchar *password;        /* pointer to a NULL-terminated password string */
  TurnServer *turn;
  gpointer sockptr;
};

A structure to represent an ICE candidate

Note

The priority is an integer as specified in the ICE draft 19. If you are using the MSN or the GOOGLE compatibility mode (which are based on ICE draft 6, which uses a floating point qvalue as priority), then the priority value will represent the qvalue multiplied by 1000.

NiceCandidateType type;

 The type of candidate

NiceCandidateTransport transport;

 The transport being used for the candidate

NiceAddress addr;

 The NiceAddress of the candidate

NiceAddress base_addr;

 The NiceAddress of the base address used by the candidate

guint32 priority;

 The priority of the candidate see note

guint stream_id;

 The ID of the stream to which belongs the candidate

guint component_id;

 The ID of the component to which belongs the candidate

gchar foundation[NICE_CANDIDATE_MAX_FOUNDATION];

 The foundation of the candidate

gchar *username;

 The candidate-specific username to use (overrides the one set by nice_agent_set_local_credentials() or nice_agent_set_remote_credentials())

gchar *password;

 The candidate-specific password to use (overrides the one set by nice_agent_set_local_credentials() or nice_agent_set_remote_credentials())

TurnServer *turn;

 The TurnServer settings if the candidate is of type NICE_CANDIDATE_TYPE_RELAYED

gpointer sockptr;

 The underlying socket

enum NiceCandidateType

typedef enum {
  NICE_CANDIDATE_TYPE_HOST,
  NICE_CANDIDATE_TYPE_SERVER_REFLEXIVE,
  NICE_CANDIDATE_TYPE_PEER_REFLEXIVE,
  NICE_CANDIDATE_TYPE_RELAYED,
} NiceCandidateType;

An enum represneting the type of a candidate

NICE_CANDIDATE_TYPE_HOST

 A host candidate

NICE_CANDIDATE_TYPE_SERVER_REFLEXIVE

 A server reflexive candidate

NICE_CANDIDATE_TYPE_PEER_REFLEXIVE

 A peer reflexive candidate

NICE_CANDIDATE_TYPE_RELAYED

 A relay candidate

enum NiceCandidateTransport

typedef enum {
  NICE_CANDIDATE_TRANSPORT_UDP,
} NiceCandidateTransport;

An enum representing the type of transport to use

NICE_CANDIDATE_TRANSPORT_UDP

 UDP transport

struct TurnServer

struct TurnServer {
  NiceAddress server;       /**< TURN server address */
  gchar *username;           /**< TURN username */
  gchar *password;           /**< TURN password */
  NiceRelayType type;             /**< TURN type */
};

A structure to store the TURN relay settings

NiceAddress server;

 The NiceAddress of the TURN server

gchar *username;

 The TURN username

gchar *password;

 The TURN password

NiceRelayType type;

 The NiceRelayType of the server

enum NiceRelayType

typedef enum {
  NICE_RELAY_TYPE_TURN_UDP,
  NICE_RELAY_TYPE_TURN_TCP,
  NICE_RELAY_TYPE_TURN_TLS
} NiceRelayType;

An enum representing the type of relay to use

NICE_RELAY_TYPE_TURN_UDP

 A TURN relay using UDP

NICE_RELAY_TYPE_TURN_TCP

 A TURN relay using TCP

NICE_RELAY_TYPE_TURN_TLS

 A TURN relay using TLS over TCP

NICE_CANDIDATE_MAX_FOUNDATION

#define NICE_CANDIDATE_MAX_FOUNDATION                (32+1)

The maximum size a candidate foundation can have.

nice_candidate_new ()

NiceCandidate *     nice_candidate_new                  (NiceCandidateType type);

Creates a new candidate. Must be freed with nice_candidate_free()

type :

 The NiceCandidateType of the candidate to create

Returns :

 A new NiceCandidate

nice_candidate_free ()

void                nice_candidate_free                 (NiceCandidate *candidate);

Frees a NiceCandidate

candidate :

 The candidate to free

nice_candidate_copy ()

NiceCandidate *     nice_candidate_copy                 (const NiceCandidate *candidate);

Makes a copy of a NiceCandidate

candidate :

 The candidate to copy

Returns :

 A new NiceCandidate, a copy of candidate

See Also

NiceAddress
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libnice-0.1.4/docs/reference/libnice/html/ch05.html0000664000175000017500000000336612112010566016732 00000000000000
Pseudo TCP Socket — Pseudo TCP implementation
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libnice-0.1.4/docs/reference/libnice/html/libnice-Network-interfaces-discovery.html0000664000175000017500000001673112112010566025355 00000000000000 Network interfaces discovery

Network interfaces discovery

Network interfaces discovery — Utility functions to discover local network interfaces

Stability Level

Stable, unless otherwise indicated

Synopsis

#include <interfaces.h>

gchar *             nice_interfaces_get_ip_for_interface
                                                        (gchar *interface_name);
GList *             nice_interfaces_get_local_interfaces
                                                        (void);
GList *             nice_interfaces_get_local_ips       (gboolean include_loopback);

Description

These utility functions allow the discovery of local network interfaces in a portable manner, they also allow finding the local ip addresses or the address allocated to a network interface.

Details

nice_interfaces_get_ip_for_interface ()

gchar *             nice_interfaces_get_ip_for_interface
                                                        (gchar *interface_name);

Retreives the IPv4 address of an interface by its name

interface_name :

 name of local interface

Returns :

 a newly-allocated string with the IP address

nice_interfaces_get_local_interfaces ()

GList *             nice_interfaces_get_local_interfaces
                                                        (void);

Get the list of local interfaces

Returns :

 a newly-allocated GList of strings. The caller must free it.

nice_interfaces_get_local_ips ()

GList *             nice_interfaces_get_local_ips       (gboolean include_loopback);

Get a list of local ipv4 interface addresses

include_loopback :

 Include any loopback devices

Returns :

 a newly-allocated GList of strings. The caller must free it.
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} /* tango: plum 2 */ .listing_code .programlisting .preproc { color: #204a87; } /* tango: sky blue 3 */ .listing_code .programlisting .string { color: #c17d11; } /* tango: chocolate 2 */ .listing_code .programlisting .type { color: #000000; } .listing_code .programlisting .type a { color: #11326b; } /* tango: sky blue 4 */ .listing_code .programlisting .symbol { color: #ce5c00; } /* tango: orange 3 */ .listing_frame { /* tango:sky blue 1 */ border: solid 1px #729fcf; padding: 0px; } .listing_lines, .listing_code { margin-top: 0px; margin-bottom: 0px; padding: 0.5em; } .listing_lines { /* tango:sky blue 0.5 */ background: #a6c5e3; /* tango:aluminium 6 */ color: #2e3436; } .listing_code { /* tango:sky blue 0 */ background: #e6f3ff; } .listing_code .programlisting { /* override from previous */ border: none 0px; padding: 0px; } .listing_lines pre, .listing_code pre { margin: 0px; } libnice-0.1.4/docs/reference/libnice/html/pt02.html0000664000175000017500000000524212112010566016753 00000000000000 Part II. STUN Library

Part II. STUN Library

Table of Contents

StunAgent — STUN agent for building and validating STUN messages
StunMessage — STUN messages parsing and formatting functions
STUN usages
Bind — STUN Binding Usage
ICE — STUN ICE Usage
TURN — TURN Allocation Usage
Timer — STUN timer Usage
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libnice-0.1.4/docs/reference/libnice/html/libnice-ICE.html0000664000175000017500000007672512112010566020207 00000000000000 ICE

ICE

ICE — STUN ICE Usage

Stability Level

Stable, unless otherwise indicated

Synopsis

#include <stun/usages/ice.h>

enum                StunUsageIceCompatibility;
enum                StunUsageIceReturn;
size_t              stun_usage_ice_conncheck_create     (StunAgent *agent,
                                                         StunMessage *msg,
                                                         uint8_t *buffer,
                                                         size_t buffer_len,
                                                         const uint8_t *username,
                                                         const size_t username_len,
                                                         const uint8_t *password,
                                                         const size_t password_len,
                                                         bool cand_use,
                                                         bool controlling,
                                                         uint32_t priority,
                                                         uint64_t tie,
                                                         const char *candidate_identifier,
                                                         StunUsageIceCompatibility compatibility);
StunUsageIceReturn  stun_usage_ice_conncheck_process    (StunMessage *msg,
                                                         struct sockaddr *addr,
                                                         socklen_t *addrlen,
                                                         StunUsageIceCompatibility compatibility);
StunUsageIceReturn  stun_usage_ice_conncheck_create_reply
                                                        (StunAgent *agent,
                                                         StunMessage *req,
                                                         StunMessage *msg,
                                                         uint8_t *buf,
                                                         size_t *plen,
                                                         const struct sockaddr *src,
                                                         socklen_t srclen,
                                                         bool *control,
                                                         uint64_t tie,
                                                         StunUsageIceCompatibility compatibility);
uint32_t            stun_usage_ice_conncheck_priority   (const StunMessage *msg);
bool                stun_usage_ice_conncheck_use_candidate
                                                        (const StunMessage *msg);

Description

The STUN ICE usage allows for easily creating and parsing STUN Binding requests and responses used for ICE connectivity checks. The API allows you to create a connectivity check message, parse a response or create a reply to an incoming connectivity check request.

Details

enum StunUsageIceCompatibility

typedef enum {
  STUN_USAGE_ICE_COMPATIBILITY_RFC5245,
  STUN_USAGE_ICE_COMPATIBILITY_GOOGLE,
  STUN_USAGE_ICE_COMPATIBILITY_MSN,
  STUN_USAGE_ICE_COMPATIBILITY_WLM2009,
  STUN_USAGE_ICE_COMPATIBILITY_DRAFT19 = STUN_USAGE_ICE_COMPATIBILITY_RFC5245,
} StunUsageIceCompatibility;

This enum defines which compatibility modes this ICE usage can use

Warning

STUN_USAGE_ICE_COMPATIBILITY_DRAFT19 is deprecated and should not be used in newly-written code. It is kept for compatibility reasons and represents the same compatibility as STUN_USAGE_ICE_COMPATIBILITY_RFC5245

STUN_USAGE_ICE_COMPATIBILITY_RFC5245

 The ICE compatibility with RFC 5245

STUN_USAGE_ICE_COMPATIBILITY_GOOGLE

 The ICE compatibility with Google's implementation of ICE

STUN_USAGE_ICE_COMPATIBILITY_MSN

 The ICE compatibility with MSN's implementation of ICE

STUN_USAGE_ICE_COMPATIBILITY_WLM2009

 The ICE compatibility with Windows Live Messenger and Microsoft Office Communicator 2007 R2 implementation of ICE

STUN_USAGE_ICE_COMPATIBILITY_DRAFT19

 The ICE compatibility with draft 19

enum StunUsageIceReturn

typedef enum {
  STUN_USAGE_ICE_RETURN_SUCCESS,
  STUN_USAGE_ICE_RETURN_ERROR,
  STUN_USAGE_ICE_RETURN_INVALID,
  STUN_USAGE_ICE_RETURN_ROLE_CONFLICT,
  STUN_USAGE_ICE_RETURN_INVALID_REQUEST,
  STUN_USAGE_ICE_RETURN_INVALID_METHOD,
  STUN_USAGE_ICE_RETURN_MEMORY_ERROR,
  STUN_USAGE_ICE_RETURN_INVALID_ADDRESS,
  STUN_USAGE_ICE_RETURN_NO_MAPPED_ADDRESS,
} StunUsageIceReturn;

Return value of stun_usage_ice_conncheck_process() and stun_usage_ice_conncheck_create_reply() which allows you to see what status the function call returned.

STUN_USAGE_ICE_RETURN_SUCCESS

 The function succeeded

STUN_USAGE_ICE_RETURN_ERROR

 There was an unspecified error

STUN_USAGE_ICE_RETURN_INVALID

 The message is invalid for processing

STUN_USAGE_ICE_RETURN_ROLE_CONFLICT

 A role conflict was detected

STUN_USAGE_ICE_RETURN_INVALID_REQUEST

 The message is an not a request

STUN_USAGE_ICE_RETURN_INVALID_METHOD

 The method of the request is invalid

STUN_USAGE_ICE_RETURN_MEMORY_ERROR

 The buffer size is too small to hold the STUN reply

STUN_USAGE_ICE_RETURN_INVALID_ADDRESS

 The mapped address argument has an invalid address family

STUN_USAGE_ICE_RETURN_NO_MAPPED_ADDRESS

 The response is valid but no MAPPED-ADDRESS or XOR-MAPPED-ADDRESS attribute was found

stun_usage_ice_conncheck_create ()

size_t              stun_usage_ice_conncheck_create     (StunAgent *agent,
                                                         StunMessage *msg,
                                                         uint8_t *buffer,
                                                         size_t buffer_len,
                                                         const uint8_t *username,
                                                         const size_t username_len,
                                                         const uint8_t *password,
                                                         const size_t password_len,
                                                         bool cand_use,
                                                         bool controlling,
                                                         uint32_t priority,
                                                         uint64_t tie,
                                                         const char *candidate_identifier,
                                                         StunUsageIceCompatibility compatibility);

Builds an ICE connectivity check STUN message. If the compatibility is not STUN_USAGE_ICE_COMPATIBILITY_RFC5245, the cand_use, controlling, priority and tie arguments are not used. If the compatibility is not STUN_USAGE_ICE_COMPATIBILITY_WLM2009, the candidate_identifier argument is not used.

agent :

 The StunAgent to use to build the request

msg :

 The StunMessage to build

buffer :

 The buffer to use for creating the StunMessage

buffer_len :

 The size of the buffer

username :

 The username to use in the request

username_len :

 The length of username

password :

 The key to use for building the MESSAGE-INTEGRITY

password_len :

 The length of password

cand_use :

 Set to TRUE to append the USE-CANDIDATE flag to the request

controlling :

 Set to TRUE if you are the controlling agent or set to FALSE if you are the controlled agent.

priority :

 The value of the PRIORITY attribute

tie :

 The value of the tie-breaker to put in the ICE-CONTROLLED or ICE-CONTROLLING attribute

candidate_identifier :

 The foundation value to put in the CANDIDATE-IDENTIFIER attribute

compatibility :

 The compatibility mode to use for building the conncheck request

Returns :

 The length of the message built.

stun_usage_ice_conncheck_process ()

StunUsageIceReturn  stun_usage_ice_conncheck_process    (StunMessage *msg,
                                                         struct sockaddr *addr,
                                                         socklen_t *addrlen,
                                                         StunUsageIceCompatibility compatibility);

Process an ICE connectivity check STUN message and retreive the mapped address from the message

See also stun_usage_ice_conncheck_priority() and stun_usage_ice_conncheck_use_candidate()

msg :

 The StunMessage to process

addr :

 A pointer to a sockaddr structure to fill with the mapped address that the STUN connectivity check response contains

addrlen :

 The length of addr

compatibility :

 The compatibility mode to use for processing the conncheck response

Returns :

 A StunUsageIceReturn value

stun_usage_ice_conncheck_create_reply ()

StunUsageIceReturn  stun_usage_ice_conncheck_create_reply
                                                        (StunAgent *agent,
                                                         StunMessage *req,
                                                         StunMessage *msg,
                                                         uint8_t *buf,
                                                         size_t *plen,
                                                         const struct sockaddr *src,
                                                         socklen_t srclen,
                                                         bool *control,
                                                         uint64_t tie,
                                                         StunUsageIceCompatibility compatibility);

Tries to parse a STUN connectivity check request and builds a response accordingly.

Note

In case of error, the msg is filled with the appropriate error response to be sent and the value of plen is set to the size of that message. If plen has a size of 0, then no error response should be sent.

agent :

 The StunAgent to use to build the response

req :

 The original STUN request to reply to

msg :

 The StunMessage to build

buf :

 The buffer to use for creating the StunMessage

plen :

 A pointer containing the size of the buffer on input. Will contain the length of the message built on output.

src :

 A pointer to a sockaddr structure containing the source address from which the request was received. Will be used as the mapped address in the response

srclen :

 The length of addr

control :

 Set to TRUE if you are the controlling agent or set to FALSE if you are the controlled agent.

tie :

 The value of the tie-breaker to put in the ICE-CONTROLLED or ICE-CONTROLLING attribute

compatibility :

 The compatibility mode to use for building the conncheck response

Returns :

 A StunUsageIceReturn value

stun_usage_ice_conncheck_priority ()

uint32_t            stun_usage_ice_conncheck_priority   (const StunMessage *msg);

Extracts the priority from a STUN message.

msg :

 The StunMessage to parse

Returns :

 host byte order priority, or 0 if not specified.

stun_usage_ice_conncheck_use_candidate ()

bool                stun_usage_ice_conncheck_use_candidate
                                                        (const StunMessage *msg);

Extracts the USE-CANDIDATE attribute flag from a STUN message.

msg :

 The StunMessage to parse

Returns :

 TRUE if the flag is set, FALSE if not.
Generated by GTK-Doc V1.18
libnice-0.1.4/docs/reference/libnice/html/ch03.html0000664000175000017500000000356512112010566016731 00000000000000
StunAgent — STUN agent for building and validating STUN messages
StunMessage — STUN messages parsing and formatting functions
Generated by GTK-Doc V1.18
libnice-0.1.4/docs/reference/libnice/html/ch01.html0000664000175000017500000000372712112010566016727 00000000000000
NiceAgent — ICE agent API implementation
NiceAddress — IP address convenience library
NiceCandidate — ICE candidate representation
Generated by GTK-Doc V1.18
libnice-0.1.4/docs/reference/libnice/html/pt03.html0000664000175000017500000000350112112010566016750 00000000000000 Part III. Pseudo TCP Socket implementation

Part III. Pseudo TCP Socket implementation

Table of Contents

Pseudo TCP Socket — Pseudo TCP implementation
Generated by GTK-Doc V1.18
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then \ cp $(abs_srcdir)/$$file $(abs_builddir)/html; \ fi; \ if test -f $(abs_builddir)/$$file ; then \ cp $(abs_builddir)/$$file $(abs_builddir)/html; \ fi; \ done; @echo ' DOC Fixing cross-references' @gtkdoc-fixxref --module=$(DOC_MODULE) --module-dir=html --html-dir=$(HTML_DIR) $(FIXXREF_OPTIONS) @touch html-build.stamp #### pdf #### pdf-build.stamp: sgml.stamp $(DOC_MAIN_SGML_FILE) $(content_files) @echo ' DOC Building PDF' @rm -f $(DOC_MODULE).pdf @mkpdf_options=""; \ gtkdoc-mkpdf 2>&1 --help | grep >/dev/null "\-\-verbose"; \ if test "$(?)" = "0"; then \ if test "x$(V)" = "x1"; then \ mkpdf_options="$$mkpdf_options --verbose"; \ fi; \ fi; \ if test "x$(HTML_IMAGES)" != "x"; then \ for img in $(HTML_IMAGES); do \ part=`dirname $$img`; \ echo $$mkpdf_options | grep >/dev/null "\-\-imgdir=$$part "; \ if test $$? != 0; then \ mkpdf_options="$$mkpdf_options --imgdir=$$part"; \ fi; \ done; \ fi; \ gtkdoc-mkpdf --path="$(abs_srcdir)" $$mkpdf_options $(DOC_MODULE) $(DOC_MAIN_SGML_FILE) $(MKPDF_OPTIONS) @touch pdf-build.stamp ############## clean-local: @rm -f *~ *.bak @rm -rf .libs distclean-local: @rm -rf xml html $(REPORT_FILES) $(DOC_MODULE).pdf \ $(DOC_MODULE)-decl-list.txt $(DOC_MODULE)-decl.txt @if test "$(abs_srcdir)" != "$(abs_builddir)" ; 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\ fi; \ rm -rf $${installdir} # # Require gtk-doc when making dist # @ENABLE_GTK_DOC_TRUE@dist-check-gtkdoc: @ENABLE_GTK_DOC_FALSE@dist-check-gtkdoc: @ENABLE_GTK_DOC_FALSE@ @echo "*** gtk-doc must be installed and enabled in order to make dist" @ENABLE_GTK_DOC_FALSE@ @false dist-hook: dist-check-gtkdoc dist-hook-local @mkdir $(distdir)/tmpl @mkdir $(distdir)/html @-cp ./tmpl/*.sgml $(distdir)/tmpl @cp ./html/* $(distdir)/html @-cp ./$(DOC_MODULE).pdf $(distdir)/ @-cp ./$(DOC_MODULE).types $(distdir)/ @-cp ./$(DOC_MODULE)-sections.txt $(distdir)/ @cd $(distdir) && rm -f $(DISTCLEANFILES) @$(GTKDOC_REBASE) --online --relative --html-dir=$(distdir)/html .PHONY : dist-hook-local docs # This includes the standard gtk-doc make rules, copied by gtkdocize. # Other files to distribute # e.g. EXTRA_DIST += version.xml.in #EXTRA_DIST += # Files not to distribute # for --rebuild-types in $(SCAN_OPTIONS), e.g. $(DOC_MODULE).types # for --rebuild-sections in $(SCAN_OPTIONS) e.g. $(DOC_MODULE)-sections.txt #DISTCLEANFILES += # Comment this out if you want your docs-status tested during 'make check' #TESTS = $(GTKDOC_CHECK) # Tell versions [3.59,3.63) of GNU make to not export all variables. # Otherwise a system limit (for SysV at least) may be exceeded. .NOEXPORT: libnice-0.1.4/docs/reference/libnice/libnice-sections.txt0000664000175000017500000001262312112010566020330 00000000000000
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candidate NiceCandidate NiceCandidate NiceCandidateType NiceCandidateTransport TurnServer NiceRelayType NICE_CANDIDATE_MAX_FOUNDATION nice_candidate_new nice_candidate_free nice_candidate_copy NICE_CANDIDATE_TYPE_PREF_HOST NICE_CANDIDATE_TYPE_PREF_PEER_REFLEXIVE NICE_CANDIDATE_TYPE_PREF_SERVER_REFLEXIVE NICE_CANDIDATE_TYPE_PREF_RELAYED nice_candidate_jingle_priority nice_candidate_msn_priority nice_candidate_ice_priority_full nice_candidate_ice_priority nice_candidate_pair_priority
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debug Debug messages nice_debug_enable nice_debug_disable nice_debug_init nice_debug
interfaces Network interfaces discovery nice_interfaces_get_ip_for_interface nice_interfaces_get_local_interfaces nice_interfaces_get_local_ips
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stunmessage StunMessage StunMessage StunClass StunMethod StunAttribute StunTransactionId StunError StunMessageReturn STUN_MESSAGE_BUFFER_INCOMPLETE STUN_MESSAGE_BUFFER_INVALID stun_message_init stun_message_length stun_message_find stun_message_find_flag stun_message_find32 stun_message_find64 stun_message_find_string stun_message_find_addr stun_message_find_xor_addr stun_message_find_xor_addr_full stun_message_find_error stun_message_append stun_message_append_bytes stun_message_append_flag stun_message_append32 stun_message_append64 stun_message_append_string stun_message_append_addr stun_message_append_xor_addr stun_message_append_xor_addr_full stun_message_append_error stun_message_validate_buffer_length stun_message_id stun_message_get_class stun_message_get_method stun_message_has_attribute stun_message_has_cookie stun_optional stun_strerror
turn TURN StunUsageTurnCompatibility StunUsageTurnRequestPorts StunUsageTurnReturn stun_usage_turn_create stun_usage_turn_create_refresh stun_usage_turn_process stun_usage_turn_refresh_process
ice ICE StunUsageIceCompatibility StunUsageIceReturn stun_usage_ice_conncheck_create stun_usage_ice_conncheck_process stun_usage_ice_conncheck_create_reply stun_usage_ice_conncheck_priority stun_usage_ice_conncheck_use_candidate
timer Timer StunTimer StunUsageTimerReturn STUN_TIMER_DEFAULT_MAX_RETRANSMISSIONS STUN_TIMER_DEFAULT_RELIABLE_TIMEOUT STUN_TIMER_DEFAULT_TIMEOUT stun_timer_start stun_timer_start_reliable stun_timer_refresh stun_timer_remainder
bind Bind StunUsageBindReturn stun_usage_bind_create stun_usage_bind_process stun_usage_bind_keepalive stun_usage_bind_run
pseudotcp Pseudo TCP Socket PseudoTcpSocket PseudoTcpState PseudoTcpWriteResult PseudoTcpCallbacks PseudoTcpDebugLevel pseudo_tcp_socket_new pseudo_tcp_socket_connect pseudo_tcp_socket_recv pseudo_tcp_socket_send pseudo_tcp_socket_close pseudo_tcp_socket_get_error pseudo_tcp_socket_get_next_clock pseudo_tcp_socket_notify_clock pseudo_tcp_socket_notify_mtu pseudo_tcp_socket_notify_packet pseudo_tcp_set_debug_level
libnice-0.1.4/docs/reference/libnice/Makefile.am0000664000175000017500000000676611750337061016415 00000000000000## Process this file with automake to produce Makefile.in # We require automake 1.6 at least. AUTOMAKE_OPTIONS = 1.6 # The name of the module, e.g. 'glib'. DOC_MODULE=libnice # The top-level SGML file. You can change this if you want to. DOC_MAIN_SGML_FILE=$(DOC_MODULE)-docs.sgml # The directory containing the source code. Relative to $(srcdir). # gtk-doc will search all .c & .h files beneath here for inline comments # documenting the functions and macros. # e.g. DOC_SOURCE_DIR=../../../gtk DOC_SOURCE_DIR=$(top_srcdir) # Extra options to pass to gtkdoc-scangobj. Not normally needed. SCANGOBJ_OPTIONS= # Extra options to supply to gtkdoc-scan. # e.g. SCAN_OPTIONS=--deprecated-guards="GTK_DISABLE_DEPRECATED" SCAN_OPTIONS=--rebuild-types # Extra options to supply to gtkdoc-mkdb. # e.g. MKDB_OPTIONS=--sgml-mode --output-format=xml MKDB_OPTIONS=--sgml-mode --output-format=xml # Extra options to supply to gtkdoc-mktmpl # e.g. MKTMPL_OPTIONS=--only-section-tmpl MKTMPL_OPTIONS= # Extra options to supply to gtkdoc-fixref. Not normally needed. # e.g. FIXXREF_OPTIONS=--extra-dir=../gdk-pixbuf/html --extra-dir=../gdk/html FIXXREF_OPTIONS= # Used for dependencies. The docs will be rebuilt if any of these change. # e.g. HFILE_GLOB=$(top_srcdir)/gtk/*.h # e.g. CFILE_GLOB=$(top_srcdir)/gtk/*.c HFILE_GLOB=$(DOC_SOURCE_DIR)/agent/agent.h $(DOC_SOURCE_DIR)/agent/address.h \ $(DOC_SOURCE_DIR)/agent/debug.h $(DOC_SOURCE_DIR)/agent/candidate.h \ $(DOC_SOURCE_DIR)/agent/interfaces.h \ $(DOC_SOURCE_DIR)/stun/stunagent.h \ $(DOC_SOURCE_DIR)/stun/stunmessage.h $(DOC_SOURCE_DIR)/stun/debug.h \ $(DOC_SOURCE_DIR)/stun/usages/bind.h \ $(DOC_SOURCE_DIR)/stun/usages/ice.h \ $(DOC_SOURCE_DIR)/stun/usages/timer.h \ $(DOC_SOURCE_DIR)/stun/usages/turn.h \ $(DOC_SOURCE_DIR)/agent/pseudotcp.h \ CFILE_GLOB=$(DOC_SOURCE_DIR)/agent/agent.c $(DOC_SOURCE_DIR)/agent/pseudotcp.c # Header files to ignore when scanning. # e.g. IGNORE_HFILES=gtkdebug.h gtkintl.h IGNORE_HFILES= conncheck.h discovery.h stream.h gstnice.h gstnicesrc.h gstnicesink.h # Images to copy into HTML directory. # e.g. HTML_IMAGES=$(top_srcdir)/gtk/stock-icons/stock_about_24.png HTML_IMAGES= # Extra SGML files that are included by $(DOC_MAIN_SGML_FILE). # e.g. content_files=running.sgml building.sgml changes-2.0.sgml content_files= # SGML files where gtk-doc abbrevations (#GtkWidget) are expanded # These files must be listed here *and* in content_files # e.g. expand_content_files=running.sgml expand_content_files= # CFLAGS and LDFLAGS for compiling gtkdoc-scangobj with your library. # Only needed if you are using gtkdoc-scangobj to dynamically query widget # signals and properties. # e.g. INCLUDES=-I$(top_srcdir) -I$(top_builddir) $(GTK_DEBUG_FLAGS) # e.g. GTKDOC_LIBS=$(top_builddir)/gtk/$(gtktargetlib) AM_CFLAGS = $(ERROR_CFLAGS) \ $(GLIB_CFLAGS) \ -I $(top_srcdir) \ -I $(top_srcdir)/random \ -I $(top_srcdir)/socket \ -I $(top_srcdir)/stun GTKDOC_LIBS= $(top_builddir)/agent/libagent.la $(GLIB_LIBS) $(top_builddir)/stun/libstun.la \ $(GUPNP_LIBS) # This includes the standard gtk-doc make rules, copied by gtkdocize. include $(top_srcdir)/gtk-doc.make # Other files to distribute # e.g. EXTRA_DIST += version.xml.in #EXTRA_DIST += # Files not to distribute # for --rebuild-types in $(SCAN_OPTIONS), e.g. $(DOC_MODULE).types # for --rebuild-sections in $(SCAN_OPTIONS) e.g. $(DOC_MODULE)-sections.txt #DISTCLEANFILES += # Comment this out if you want your docs-status tested during 'make check' #TESTS = $(GTKDOC_CHECK) libnice-0.1.4/docs/reference/libnice/tmpl/0000775000175000017500000000000012112010566015365 500000000000000libnice-0.1.4/docs/reference/libnice/tmpl/pseudotcp.sgml0000664000175000017500000000427512112010566020207 00000000000000 Pseudo TCP Socket @TCP_LISTEN: @TCP_SYN_SENT: @TCP_SYN_RECEIVED: @TCP_ESTABLISHED: @TCP_CLOSED: @WR_SUCCESS: @WR_TOO_LARGE: @WR_FAIL: @user_data: @PseudoTcpOpened: @PseudoTcpReadable: @PseudoTcpWritable: @PseudoTcpClosed: @WritePacket: @PSEUDO_TCP_DEBUG_NONE: @PSEUDO_TCP_DEBUG_NORMAL: @PSEUDO_TCP_DEBUG_VERBOSE: @conversation: @callbacks: @Returns: @self: @Returns: @self: @buffer: @len: @Returns: @self: @buffer: @len: @Returns: @self: 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libnice-0.1.4/docs/reference/libnice/tmpl/debug.sgml0000664000175000017500000000071712112010566017264 00000000000000 Debug messages @with_stun: @with_stun: libnice-0.1.4/docs/reference/libnice/tmpl/stunagent.sgml0000664000175000017500000000625312112010566020207 00000000000000 StunAgent @STUN_COMPATIBILITY_RFC3489: @STUN_COMPATIBILITY_RFC5389: @STUN_COMPATIBILITY_WLM2009: @STUN_COMPATIBILITY_OC2007: @STUN_COMPATIBILITY_LAST: @STUN_AGENT_USAGE_SHORT_TERM_CREDENTIALS: @STUN_AGENT_USAGE_LONG_TERM_CREDENTIALS: @STUN_AGENT_USAGE_USE_FINGERPRINT: @STUN_AGENT_USAGE_ADD_SOFTWARE: @STUN_AGENT_USAGE_IGNORE_CREDENTIALS: @STUN_AGENT_USAGE_NO_INDICATION_AUTH: @STUN_AGENT_USAGE_FORCE_VALIDATER: @STUN_AGENT_USAGE_NO_ALIGNED_ATTRIBUTES: @STUN_VALIDATION_SUCCESS: @STUN_VALIDATION_NOT_STUN: @STUN_VALIDATION_INCOMPLETE_STUN: @STUN_VALIDATION_BAD_REQUEST: @STUN_VALIDATION_UNAUTHORIZED_BAD_REQUEST: @STUN_VALIDATION_UNAUTHORIZED: @STUN_VALIDATION_UNMATCHED_RESPONSE: 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@STUN_USAGE_TIMER_RETURN_RETRANSMIT: @STUN_USAGE_TIMER_RETURN_TIMEOUT: @timer: @initial_timeout: @max_retransmissions: @timer: @initial_timeout: @timer: @Returns: @timer: @Returns: libnice-0.1.4/docs/reference/libnice/tmpl/address.sgml0000664000175000017500000000347312112010566017625 00000000000000 NiceAddress @addr: @void: @Returns: @addr: @addr: @Returns: @addr: @addr_ipv4: @addr: @addr_ipv6: @addr: @port: @addr: @Returns: @addr: @str: @Returns: @addr: @sin: @addr: @sin: @a: @b: @Returns: @addr: @dst: @addr: @Returns: @addr: @Returns: @addr: @Returns: libnice-0.1.4/docs/reference/libnice/libnice.types0000664000175000017500000000005712112010566017026 00000000000000nice_agent_get_type pseudo_tcp_socket_get_type libnice-0.1.4/docs/reference/libnice/libnice-overrides.txt0000644000175000017500000000000011274377070020501 00000000000000libnice-0.1.4/docs/reference/libnice/libnice-docs.sgml0000664000175000017500000000306611750337061017566 00000000000000 libnice Reference Manual The latest version of this documentation can be found on-line at http://nice.freedesktop.org/libnice/. ICE Library Libnice helper functions STUN Library STUN usages Pseudo TCP Socket implementation The libnice library contains the ICE library and the STUN library as well as a Pseudo TCP socket implementation. libnice-0.1.4/docs/Makefile.am0000644000175000017500000000005611241364464013034 00000000000000 SUBDIRS = reference EXTRA_DIST = design.txt libnice-0.1.4/docs/design.txt0000644000175000017500000002152011241364464013011 00000000000000Nice: Design documentation ========================== Socket ownership ---------------- For UDP candidates, one socket is created for each component and bound to INADDR_ANY. The same local socket is used for the host candidate, STUN candidate as well as the TURN candidate. The socket handles are stored to the Component structure. The library will use the source address of incoming packets in order to identify from which remote candidates, if any (peer-derived candidates), packets were sent. XXX: Describe the subtle issues with ICMP error handling when one socket is used to send to multiple destinations. Real-time considerations ------------------------ One potential use for libnice code is providing network connectivity for media transport in voice and video telephony applications. This means that the libnice code is potentially run in real-time context (for instance under POSIX SCHED_FIFO/SHCED_RR scheduling policy) and ideally has deterministic execution time. To be real-time friendly, operations with non-deterministic execution time (dynamic memory allocation, file and other resource access) should be done at startup/initialization phase. During an active session (connectivity has been established and non-STUN traffic is being sent), code should be as deterministic as possible. Memory management ----------------- To work on platforms where available memory may be constrained, libnice should gracefully handle out of memory situations. If memory allocation fails, the library should return an error via the originating public library API function. Use of glib creates some challenges to meet the above: - A lot of glib's internal code assumes memory allocations will always work. Use of these glib facilities should be limited. While the glib default policy (see g_malloc() documentation) of terminating the process is ok for applications, this is not acceptable for library components. - Glib has weak support for preallocating structures needed at runtime (for instance use of timers creates a lot of memory allocation activity). To work around the above limitations, the following guidelines need to be followed: - Always check return values of glib functions. - Use safe variants: g_malloc_try(), etc - Current issues (last update 2007-05-04) - g_slist_append() will crash if alloc fails Timers ------ Management of timers is handled by the 'agent' module. Other modules may use timer APIs to get timestamps, but they do not run timers. Glib's timer interface has some problems that have affected the design: - an expired timer will destroy the source (a potentially costly operation) - it is not possible to cancel, or adjust the timer expiration timer without destroying the associated source and creating a new one, which again causes malloc/frees and is potentially a costly operation - on Linux, glib uses gettimeofday() which is subject to clock skew, and no monotonic timer API is available Due to the above, 'agent' code runs fixed interval periodic timers (started with g_timeout_add()) during candidate gathering, connectivity check, and session keepalive phases. Timer frequency is set separately for each phase of processing. A more elegant design would use dynamic timeouts, but this would be too expensive with glib timer infrastructure. Control flow for NICE agent API (NiceAgentClass) ------------------------------------------------ The main library interface for applications using libnice is the NiceAgent GObject interface defined in 'nice/agent.h'. The rough order of control follow is as follows: - client should initialize glib with g_type_init() - creation of NiceAgent object instance - setting agent properties such as STUN and TURN server addresses - connecting the GObject signals with g_signal_connect() to application callback functions - adding local interface addresses to use with nice_agent_add_local_address() And continues when making an initial offer: - creating the streams with nice_agent_add_stream() - attach the mainloop context to connect the NiceAgent sockets to the application's event loop (using nice_agent_attach_recv()) - start candidate gathering by calling nice_agent_gather_candidates() - the application should wait for the "candidate-gathering-done" signal before going forward (so that ICE can gather the needed set of local connectiviy candidates) - get the information needed for sending offer using nice_agent_get_local_candidates() and nice_agent_get_local_credentials() - client should now send the session offer - once it receives an answer, it can pass the information to NiceAgent using nice_agent_set_remote_candidates() and nice_agent_set_remote_credentials() Alternatively, when answering to an initial offer: - the first five steps are the same as above (making initial offer) - pass the remote session information to NiceAgent using nice_agent_set_remote_candidates() and nice_agent_set_remote_credentials() - client can send the answer to session offer Special considerations for a SIP client: - Upon sending the initial offer/answer, client should pick one local candidate as the default one, and encode it to the SDP "m" and "c" lines, in addition to the ICE "a=candidate" lines. - Client should connect to "new-selected-pair" signals. If this signal is received, a new candidate pair has been set as a selected pair (highest priority nominated pair). See ICE specification for a definition of "nominated pairs". - Once all components of a stream have reached the "NICE_COMPONENT_STATE_READY" state (as reported by "component-state-changed" signals), the client should check whether its original default candidate matches the latest selected pair. If not, it needs to send an updated offer it is in controlling mode. Before sending the offer, client should check the "controlling-mode" property to check that it still is in controlling mode (might change during ICE processing due to ICE role conflicts). - The "remote-attributes" SDP attribute can be created from the information provided by "component-state-changed" (which components are ready), "new-selected-pair" (which candidates are selected) and "new-remote-candidate" (peer-reflexive candidates discovered during processing) signals. - Supporting forked calls is not yet supported by the API (multiple sets of remote candidates for one local set of candidates). Restarting ICE: - ICE processing can be restarted by calling nice_agent_restart() - Restart will clean the set of remote candidates, so client must afterwards call nice_agent_set_remote_candidates() after receiving a new offer/answer for the restarted ICE session. - Restart will reinitialize the local credentials (see nice_agent_get_local_credentials()). - Note that to modify the set of local candidates, a new stream has to be created. For the remote party, this looks like a ICE restart as well. Handling fallback to non-ICE operation: - If we are the offering party, and the remote party indicates it doesn't support ICE, we can use nice_agent_set_selected_pair() to force selection of a candidate pair (for remote party, the information on SDP 'm=' and 'c=' lines needs to be used to generate one remote candidate for each component of the streams). This function will halt all ICE processing (excluding keepalives), while still allowing to send and receive media (assuming NATs won't interfere). Notes about sending media: - Client may send media once all components of a stream have reached state of NICE_COMPONENT_STATE_CONNECTED or NICE_COMPONENT_STATE_READY, (as reported by "component-state-changed" signals), and a selected pair is set for all components (as reported by "new-selected-pair" signals). STUN API -------- The underlying STUN library takes care of formatting and parsing STUN messages (lower layer), Applications should only need to use the higher layer API which then uses the lower layer API. The following STUN usages are currently implemented by the transaction layer: - Binding discovery (RFC5389 with RFC3489 backward compatibility) - Binding keep-alive - ICE connectivity checks - TURN - STUN retransmission timers STUN message API ---------------- STUN message API provide thin wrappers to parse and format STUN messages. To achieve maximum cross-architectures portability and retain real-time friendliness, these functions are fully "computational" [1]. They also make no assumption about endianess or memory alignment (reading single bytes or using memcpy()). Message buffers are provided by the caller (so these can be preallocated). Because STUN uses a relatively computer-friendly binary format, STUN messages are stored in wire format within the buffers. There is no intermediary translation, so the APIs can operate directly with data received from or sent to the network. [1] With one exception: The random number generated might access the system entropy pool (/dev/urandom) if available. libnice-0.1.4/configure0000755000175000017500000156456512112006555011774 00000000000000#! /bin/sh # Guess values for system-dependent variables and create Makefiles. # Generated by GNU Autoconf 2.68 for libnice 0.1.4. # # # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, # 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software # Foundation, Inc. # # # This configure script is free software; the Free Software Foundation # gives unlimited permission to copy, distribute and modify it. ## -------------------- ## ## M4sh Initialization. ## ## -------------------- ## # Be more Bourne compatible DUALCASE=1; export DUALCASE # for MKS sh if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : emulate sh NULLCMD=: # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which # is contrary to our usage. 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" >&6; } fi if ${lt_cv_path_LD+:} false; then : $as_echo_n "(cached) " >&6 else if test -z "$LD"; then lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR for ac_dir in $PATH; do IFS="$lt_save_ifs" test -z "$ac_dir" && ac_dir=. if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then lt_cv_path_LD="$ac_dir/$ac_prog" # Check to see if the program is GNU ld. I'd rather use --version, # but apparently some variants of GNU ld only accept -v. # Break only if it was the GNU/non-GNU ld that we prefer. case `"$lt_cv_path_LD" -v 2>&1 &5 $as_echo "$LD" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi test -z "$LD" && as_fn_error $? "no acceptable ld found in \$PATH" "$LINENO" 5 { $as_echo "$as_me:${as_lineno-$LINENO}: checking if the linker ($LD) is GNU ld" >&5 $as_echo_n "checking if the linker ($LD) is GNU ld... 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" >&6; } if ${lt_cv_path_NM+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$NM"; then # Let the user override the test. lt_cv_path_NM="$NM" else lt_nm_to_check="${ac_tool_prefix}nm" if test -n "$ac_tool_prefix" && test "$build" = "$host"; then lt_nm_to_check="$lt_nm_to_check nm" fi for lt_tmp_nm in $lt_nm_to_check; do lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do IFS="$lt_save_ifs" test -z "$ac_dir" && ac_dir=. tmp_nm="$ac_dir/$lt_tmp_nm" if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext" ; then # Check to see if the nm accepts a BSD-compat flag. # Adding the `sed 1q' prevents false positives on HP-UX, which says: # nm: unknown option "B" ignored # Tru64's nm complains that /dev/null is an invalid object file case `"$tmp_nm" -B /dev/null 2>&1 | sed '1q'` in */dev/null* | *'Invalid file or object type'*) lt_cv_path_NM="$tmp_nm -B" break ;; *) case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in */dev/null*) lt_cv_path_NM="$tmp_nm -p" break ;; *) lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but continue # so that we can try to find one that supports BSD flags ;; esac ;; esac fi done IFS="$lt_save_ifs" done : ${lt_cv_path_NM=no} fi fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_NM" >&5 $as_echo "$lt_cv_path_NM" >&6; } if test "$lt_cv_path_NM" != "no"; then NM="$lt_cv_path_NM" else # Didn't find any BSD compatible name lister, look for dumpbin. if test -n "$DUMPBIN"; then : # Let the user override the test. else if test -n "$ac_tool_prefix"; then for ac_prog in dumpbin "link -dump" do # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. set dummy $ac_tool_prefix$ac_prog; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... 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" >&6; } if ${lt_cv_nm_interface+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_nm_interface="BSD nm" echo "int some_variable = 0;" > conftest.$ac_ext (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&5) (eval "$ac_compile" 2>conftest.err) cat conftest.err >&5 (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&5) (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out) cat conftest.err >&5 (eval echo "\"\$as_me:$LINENO: output\"" >&5) cat conftest.out >&5 if $GREP 'External.*some_variable' conftest.out > /dev/null; then lt_cv_nm_interface="MS dumpbin" fi rm -f conftest* fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_nm_interface" >&5 $as_echo "$lt_cv_nm_interface" >&6; } { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5 $as_echo_n "checking whether ln -s works... 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Even if it were fixed, the result of this # check would be larger than it should be. lt_cv_sys_max_cmd_len=12288; # 12K is about right ;; gnu*) # Under GNU Hurd, this test is not required because there is # no limit to the length of command line arguments. # Libtool will interpret -1 as no limit whatsoever lt_cv_sys_max_cmd_len=-1; ;; cygwin* | mingw* | cegcc*) # On Win9x/ME, this test blows up -- it succeeds, but takes # about 5 minutes as the teststring grows exponentially. # Worse, since 9x/ME are not pre-emptively multitasking, # you end up with a "frozen" computer, even though with patience # the test eventually succeeds (with a max line length of 256k). # Instead, let's just punt: use the minimum linelength reported by # all of the supported platforms: 8192 (on NT/2K/XP). lt_cv_sys_max_cmd_len=8192; ;; mint*) # On MiNT this can take a long time and run out of memory. lt_cv_sys_max_cmd_len=8192; ;; amigaos*) # On AmigaOS with pdksh, this test takes hours, literally. # So we just punt and use a minimum line length of 8192. lt_cv_sys_max_cmd_len=8192; ;; netbsd* | freebsd* | openbsd* | darwin* | dragonfly*) # This has been around since 386BSD, at least. Likely further. if test -x /sbin/sysctl; then lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` elif test -x /usr/sbin/sysctl; then lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` else lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs fi # And add a safety zone lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` ;; interix*) # We know the value 262144 and hardcode it with a safety zone (like BSD) lt_cv_sys_max_cmd_len=196608 ;; os2*) # The test takes a long time on OS/2. lt_cv_sys_max_cmd_len=8192 ;; osf*) # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not # nice to cause kernel panics so lets avoid the loop below. # First set a reasonable default. lt_cv_sys_max_cmd_len=16384 # if test -x /sbin/sysconfig; then case `/sbin/sysconfig -q proc exec_disable_arg_limit` in *1*) lt_cv_sys_max_cmd_len=-1 ;; esac fi ;; sco3.2v5*) lt_cv_sys_max_cmd_len=102400 ;; sysv5* | sco5v6* | sysv4.2uw2*) kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null` if test -n "$kargmax"; then lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[ ]//'` else lt_cv_sys_max_cmd_len=32768 fi ;; *) lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null` if test -n "$lt_cv_sys_max_cmd_len"; then lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` else # Make teststring a little bigger before we do anything with it. # a 1K string should be a reasonable start. for i in 1 2 3 4 5 6 7 8 ; do teststring=$teststring$teststring done SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}} # If test is not a shell built-in, we'll probably end up computing a # maximum length that is only half of the actual maximum length, but # we can't tell. while { test "X"`env echo "$teststring$teststring" 2>/dev/null` \ = "X$teststring$teststring"; } >/dev/null 2>&1 && test $i != 17 # 1/2 MB should be enough do i=`expr $i + 1` teststring=$teststring$teststring done # Only check the string length outside the loop. lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1` teststring= # Add a significant safety factor because C++ compilers can tack on # massive amounts of additional arguments before passing them to the # linker. 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" >&6; } if ${lt_cv_to_host_file_cmd+:} false; then : $as_echo_n "(cached) " >&6 else case $host in *-*-mingw* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32 ;; *-*-cygwin* ) lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32 ;; * ) # otherwise, assume *nix lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32 ;; esac ;; *-*-cygwin* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin ;; *-*-cygwin* ) lt_cv_to_host_file_cmd=func_convert_file_noop ;; * ) # otherwise, assume *nix lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin ;; esac ;; * ) # unhandled hosts (and "normal" native builds) lt_cv_to_host_file_cmd=func_convert_file_noop ;; esac fi to_host_file_cmd=$lt_cv_to_host_file_cmd { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_host_file_cmd" >&5 $as_echo "$lt_cv_to_host_file_cmd" >&6; } { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to toolchain format" >&5 $as_echo_n "checking how to convert $build file names to toolchain format... 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" >&6; } if ${lt_cv_ld_reload_flag+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_ld_reload_flag='-r' fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_reload_flag" >&5 $as_echo "$lt_cv_ld_reload_flag" >&6; } reload_flag=$lt_cv_ld_reload_flag case $reload_flag in "" | " "*) ;; *) reload_flag=" $reload_flag" ;; esac reload_cmds='$LD$reload_flag -o $output$reload_objs' case $host_os in cygwin* | mingw* | pw32* | cegcc*) if test "$GCC" != yes; then reload_cmds=false fi ;; darwin*) if test "$GCC" = yes; then reload_cmds='$LTCC $LTCFLAGS -nostdlib ${wl}-r -o $output$reload_objs' else reload_cmds='$LD$reload_flag -o $output$reload_objs' fi ;; esac if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}objdump", so it can be a program name with args. set dummy ${ac_tool_prefix}objdump; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_OBJDUMP+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$OBJDUMP"; then ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_OBJDUMP="${ac_tool_prefix}objdump" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi OBJDUMP=$ac_cv_prog_OBJDUMP if test -n "$OBJDUMP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5 $as_echo "$OBJDUMP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_OBJDUMP"; then ac_ct_OBJDUMP=$OBJDUMP # Extract the first word of "objdump", so it can be a program name with args. set dummy objdump; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_OBJDUMP+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_OBJDUMP"; then ac_cv_prog_ac_ct_OBJDUMP="$ac_ct_OBJDUMP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_ac_ct_OBJDUMP="objdump" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP if test -n "$ac_ct_OBJDUMP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJDUMP" >&5 $as_echo "$ac_ct_OBJDUMP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_OBJDUMP" = x; then OBJDUMP="false" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OBJDUMP=$ac_ct_OBJDUMP fi else OBJDUMP="$ac_cv_prog_OBJDUMP" fi test -z "$OBJDUMP" && OBJDUMP=objdump { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to recognize dependent libraries" >&5 $as_echo_n "checking how to recognize dependent libraries... " >&6; } if ${lt_cv_deplibs_check_method+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_file_magic_cmd='$MAGIC_CMD' lt_cv_file_magic_test_file= lt_cv_deplibs_check_method='unknown' # Need to set the preceding variable on all platforms that support # interlibrary dependencies. # 'none' -- dependencies not supported. # `unknown' -- same as none, but documents that we really don't know. # 'pass_all' -- all dependencies passed with no checks. # 'test_compile' -- check by making test program. # 'file_magic [[regex]]' -- check by looking for files in library path # which responds to the $file_magic_cmd with a given extended regex. # If you have `file' or equivalent on your system and you're not sure # whether `pass_all' will *always* work, you probably want this one. case $host_os in aix[4-9]*) lt_cv_deplibs_check_method=pass_all ;; beos*) lt_cv_deplibs_check_method=pass_all ;; bsdi[45]*) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)' lt_cv_file_magic_cmd='/usr/bin/file -L' lt_cv_file_magic_test_file=/shlib/libc.so ;; cygwin*) # func_win32_libid is a shell function defined in ltmain.sh lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' lt_cv_file_magic_cmd='func_win32_libid' ;; mingw* | pw32*) # Base MSYS/MinGW do not provide the 'file' command needed by # func_win32_libid shell function, so use a weaker test based on 'objdump', # unless we find 'file', for example because we are cross-compiling. # func_win32_libid assumes BSD nm, so disallow it if using MS dumpbin. if ( test "$lt_cv_nm_interface" = "BSD nm" && file / ) >/dev/null 2>&1; then lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' lt_cv_file_magic_cmd='func_win32_libid' else # Keep this pattern in sync with the one in func_win32_libid. lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' lt_cv_file_magic_cmd='$OBJDUMP -f' fi ;; cegcc*) # use the weaker test based on 'objdump'. See mingw*. lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?' lt_cv_file_magic_cmd='$OBJDUMP -f' ;; darwin* | rhapsody*) lt_cv_deplibs_check_method=pass_all ;; freebsd* | dragonfly*) if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then case $host_cpu in i*86 ) # Not sure whether the presence of OpenBSD here was a mistake. # Let's accept both of them until this is cleared up. lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[3-9]86 (compact )?demand paged shared library' lt_cv_file_magic_cmd=/usr/bin/file lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*` ;; esac else lt_cv_deplibs_check_method=pass_all fi ;; gnu*) lt_cv_deplibs_check_method=pass_all ;; haiku*) lt_cv_deplibs_check_method=pass_all ;; hpux10.20* | hpux11*) lt_cv_file_magic_cmd=/usr/bin/file case $host_cpu in ia64*) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - IA64' lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so ;; hppa*64*) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]' lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl ;; *) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9]\.[0-9]) shared library' lt_cv_file_magic_test_file=/usr/lib/libc.sl ;; esac ;; interix[3-9]*) # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|\.a)$' ;; irix5* | irix6* | nonstopux*) case $LD in *-32|*"-32 ") libmagic=32-bit;; *-n32|*"-n32 ") libmagic=N32;; *-64|*"-64 ") libmagic=64-bit;; *) libmagic=never-match;; esac lt_cv_deplibs_check_method=pass_all ;; # This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu) lt_cv_deplibs_check_method=pass_all ;; netbsd*) if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|_pic\.a)$' fi ;; newos6*) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)' lt_cv_file_magic_cmd=/usr/bin/file lt_cv_file_magic_test_file=/usr/lib/libnls.so ;; *nto* | *qnx*) lt_cv_deplibs_check_method=pass_all ;; openbsd*) if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|\.so|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' fi ;; osf3* | osf4* | osf5*) lt_cv_deplibs_check_method=pass_all ;; rdos*) lt_cv_deplibs_check_method=pass_all ;; solaris*) lt_cv_deplibs_check_method=pass_all ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) lt_cv_deplibs_check_method=pass_all ;; sysv4 | sysv4.3*) case $host_vendor in motorola) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]' lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` ;; ncr) lt_cv_deplibs_check_method=pass_all ;; sequent) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )' ;; sni) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method="file_magic ELF [0-9][0-9]*-bit [LM]SB dynamic lib" lt_cv_file_magic_test_file=/lib/libc.so ;; siemens) lt_cv_deplibs_check_method=pass_all ;; pc) lt_cv_deplibs_check_method=pass_all ;; esac ;; tpf*) lt_cv_deplibs_check_method=pass_all ;; esac fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_deplibs_check_method" >&5 $as_echo "$lt_cv_deplibs_check_method" >&6; } file_magic_glob= want_nocaseglob=no if test "$build" = "$host"; then case $host_os in mingw* | pw32*) if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then want_nocaseglob=yes else file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[\1]\/[\1]\/g;/g"` fi ;; esac fi file_magic_cmd=$lt_cv_file_magic_cmd deplibs_check_method=$lt_cv_deplibs_check_method test -z "$deplibs_check_method" && deplibs_check_method=unknown if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}dlltool", so it can be a program name with args. set dummy ${ac_tool_prefix}dlltool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_DLLTOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$DLLTOOL"; then ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_DLLTOOL="${ac_tool_prefix}dlltool" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi DLLTOOL=$ac_cv_prog_DLLTOOL if test -n "$DLLTOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DLLTOOL" >&5 $as_echo "$DLLTOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_DLLTOOL"; then ac_ct_DLLTOOL=$DLLTOOL # Extract the first word of "dlltool", so it can be a program name with args. set dummy dlltool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_DLLTOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_DLLTOOL"; then ac_cv_prog_ac_ct_DLLTOOL="$ac_ct_DLLTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_ac_ct_DLLTOOL="dlltool" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_DLLTOOL=$ac_cv_prog_ac_ct_DLLTOOL if test -n "$ac_ct_DLLTOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DLLTOOL" >&5 $as_echo "$ac_ct_DLLTOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_DLLTOOL" = x; then DLLTOOL="false" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac DLLTOOL=$ac_ct_DLLTOOL fi else DLLTOOL="$ac_cv_prog_DLLTOOL" fi test -z "$DLLTOOL" && DLLTOOL=dlltool { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to associate runtime and link libraries" >&5 $as_echo_n "checking how to associate runtime and link libraries... " >&6; } if ${lt_cv_sharedlib_from_linklib_cmd+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_sharedlib_from_linklib_cmd='unknown' case $host_os in cygwin* | mingw* | pw32* | cegcc*) # two different shell functions defined in ltmain.sh # decide which to use based on capabilities of $DLLTOOL case `$DLLTOOL --help 2>&1` in *--identify-strict*) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib ;; *) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback ;; esac ;; *) # fallback: assume linklib IS sharedlib lt_cv_sharedlib_from_linklib_cmd="$ECHO" ;; esac fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sharedlib_from_linklib_cmd" >&5 $as_echo "$lt_cv_sharedlib_from_linklib_cmd" >&6; } sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO if test -n "$ac_tool_prefix"; then for ac_prog in ar do # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. set dummy $ac_tool_prefix$ac_prog; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_AR+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$AR"; then ac_cv_prog_AR="$AR" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_AR="$ac_tool_prefix$ac_prog" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi AR=$ac_cv_prog_AR if test -n "$AR"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AR" >&5 $as_echo "$AR" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi test -n "$AR" && break done fi if test -z "$AR"; then ac_ct_AR=$AR for ac_prog in ar do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_AR+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_AR"; then ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_ac_ct_AR="$ac_prog" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_AR=$ac_cv_prog_ac_ct_AR if test -n "$ac_ct_AR"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5 $as_echo "$ac_ct_AR" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi test -n "$ac_ct_AR" && break done if test "x$ac_ct_AR" = x; then AR="false" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac AR=$ac_ct_AR fi fi : ${AR=ar} : ${AR_FLAGS=cru} { $as_echo "$as_me:${as_lineno-$LINENO}: checking for archiver @FILE support" >&5 $as_echo_n "checking for archiver @FILE support... " >&6; } if ${lt_cv_ar_at_file+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_ar_at_file=no cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO"; then : echo conftest.$ac_objext > conftest.lst lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&5' { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 (eval $lt_ar_try) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } if test "$ac_status" -eq 0; then # Ensure the archiver fails upon bogus file names. rm -f conftest.$ac_objext libconftest.a { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 (eval $lt_ar_try) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } if test "$ac_status" -ne 0; then lt_cv_ar_at_file=@ fi fi rm -f conftest.* libconftest.a fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ar_at_file" >&5 $as_echo "$lt_cv_ar_at_file" >&6; } if test "x$lt_cv_ar_at_file" = xno; then archiver_list_spec= else archiver_list_spec=$lt_cv_ar_at_file fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. set dummy ${ac_tool_prefix}strip; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_STRIP+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$STRIP"; then ac_cv_prog_STRIP="$STRIP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_STRIP="${ac_tool_prefix}strip" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi STRIP=$ac_cv_prog_STRIP if test -n "$STRIP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5 $as_echo "$STRIP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_STRIP"; then ac_ct_STRIP=$STRIP # Extract the first word of "strip", so it can be a program name with args. set dummy strip; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_STRIP+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_STRIP"; then ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_ac_ct_STRIP="strip" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP if test -n "$ac_ct_STRIP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5 $as_echo "$ac_ct_STRIP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_STRIP" = x; then STRIP=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac STRIP=$ac_ct_STRIP fi else STRIP="$ac_cv_prog_STRIP" fi test -z "$STRIP" && STRIP=: if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args. set dummy ${ac_tool_prefix}ranlib; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_RANLIB+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$RANLIB"; then ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi RANLIB=$ac_cv_prog_RANLIB if test -n "$RANLIB"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5 $as_echo "$RANLIB" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_RANLIB"; then ac_ct_RANLIB=$RANLIB # Extract the first word of "ranlib", so it can be a program name with args. set dummy ranlib; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_RANLIB+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_RANLIB"; then ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_ac_ct_RANLIB="ranlib" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB if test -n "$ac_ct_RANLIB"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5 $as_echo "$ac_ct_RANLIB" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_RANLIB" = x; then RANLIB=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac RANLIB=$ac_ct_RANLIB fi else RANLIB="$ac_cv_prog_RANLIB" fi test -z "$RANLIB" && RANLIB=: # Determine commands to create old-style static archives. old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs' old_postinstall_cmds='chmod 644 $oldlib' old_postuninstall_cmds= if test -n "$RANLIB"; then case $host_os in openbsd*) old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib" ;; *) old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib" ;; esac old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib" fi case $host_os in darwin*) lock_old_archive_extraction=yes ;; *) lock_old_archive_extraction=no ;; esac # If no C compiler was specified, use CC. LTCC=${LTCC-"$CC"} # If no C compiler flags were specified, use CFLAGS. LTCFLAGS=${LTCFLAGS-"$CFLAGS"} # Allow CC to be a program name with arguments. compiler=$CC # Check for command to grab the raw symbol name followed by C symbol from nm. { $as_echo "$as_me:${as_lineno-$LINENO}: checking command to parse $NM output from $compiler object" >&5 $as_echo_n "checking command to parse $NM output from $compiler object... " >&6; } if ${lt_cv_sys_global_symbol_pipe+:} false; then : $as_echo_n "(cached) " >&6 else # These are sane defaults that work on at least a few old systems. # [They come from Ultrix. What could be older than Ultrix?!! ;)] # Character class describing NM global symbol codes. symcode='[BCDEGRST]' # Regexp to match symbols that can be accessed directly from C. sympat='\([_A-Za-z][_A-Za-z0-9]*\)' # Define system-specific variables. case $host_os in aix*) symcode='[BCDT]' ;; cygwin* | mingw* | pw32* | cegcc*) symcode='[ABCDGISTW]' ;; hpux*) if test "$host_cpu" = ia64; then symcode='[ABCDEGRST]' fi ;; irix* | nonstopux*) symcode='[BCDEGRST]' ;; osf*) symcode='[BCDEGQRST]' ;; solaris*) symcode='[BDRT]' ;; sco3.2v5*) symcode='[DT]' ;; sysv4.2uw2*) symcode='[DT]' ;; sysv5* | sco5v6* | unixware* | OpenUNIX*) symcode='[ABDT]' ;; sysv4) symcode='[DFNSTU]' ;; esac # If we're using GNU nm, then use its standard symbol codes. case `$NM -V 2>&1` in *GNU* | *'with BFD'*) symcode='[ABCDGIRSTW]' ;; esac # Transform an extracted symbol line into a proper C declaration. # Some systems (esp. on ia64) link data and code symbols differently, # so use this general approach. lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'" # Transform an extracted symbol line into symbol name and symbol address lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([^ ]*\)[ ]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/ {\"\2\", (void *) \&\2},/p'" lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n -e 's/^: \([^ ]*\)[ ]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([^ ]*\) \(lib[^ ]*\)$/ {\"\2\", (void *) \&\2},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/ {\"lib\2\", (void *) \&\2},/p'" # Handle CRLF in mingw tool chain opt_cr= case $build_os in mingw*) opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp ;; esac # Try without a prefix underscore, then with it. for ac_symprfx in "" "_"; do # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. symxfrm="\\1 $ac_symprfx\\2 \\2" # Write the raw and C identifiers. if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Fake it for dumpbin and say T for any non-static function # and D for any global variable. # Also find C++ and __fastcall symbols from MSVC++, # which start with @ or ?. lt_cv_sys_global_symbol_pipe="$AWK '"\ " {last_section=section; section=\$ 3};"\ " /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ " /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ " \$ 0!~/External *\|/{next};"\ " / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ " {if(hide[section]) next};"\ " {f=0}; \$ 0~/\(\).*\|/{f=1}; {printf f ? \"T \" : \"D \"};"\ " {split(\$ 0, a, /\||\r/); split(a[2], s)};"\ " s[1]~/^[@?]/{print s[1], s[1]; next};"\ " s[1]~prfx {split(s[1],t,\"@\"); print t[1], substr(t[1],length(prfx))}"\ " ' prfx=^$ac_symprfx" else lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode$symcode*\)[ ][ ]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" fi lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'" # Check to see that the pipe works correctly. pipe_works=no rm -f conftest* cat > conftest.$ac_ext <<_LT_EOF #ifdef __cplusplus extern "C" { #endif char nm_test_var; void nm_test_func(void); void nm_test_func(void){} #ifdef __cplusplus } #endif int main(){nm_test_var='a';nm_test_func();return(0);} _LT_EOF if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then # Now try to grab the symbols. nlist=conftest.nm if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist\""; } >&5 (eval $NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } && test -s "$nlist"; then # Try sorting and uniquifying the output. if sort "$nlist" | uniq > "$nlist"T; then mv -f "$nlist"T "$nlist" else rm -f "$nlist"T fi # Make sure that we snagged all the symbols we need. if $GREP ' nm_test_var$' "$nlist" >/dev/null; then if $GREP ' nm_test_func$' "$nlist" >/dev/null; then cat <<_LT_EOF > conftest.$ac_ext /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE) /* DATA imports from DLLs on WIN32 con't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT_DLSYM_CONST #elif defined(__osf__) /* This system does not cope well with relocations in const data. */ # define LT_DLSYM_CONST #else # define LT_DLSYM_CONST const #endif #ifdef __cplusplus extern "C" { #endif _LT_EOF # Now generate the symbol file. eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' cat <<_LT_EOF >> conftest.$ac_ext /* The mapping between symbol names and symbols. */ LT_DLSYM_CONST struct { const char *name; void *address; } lt__PROGRAM__LTX_preloaded_symbols[] = { { "@PROGRAM@", (void *) 0 }, _LT_EOF $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/ {\"\2\", (void *) \&\2},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext cat <<\_LT_EOF >> conftest.$ac_ext {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt__PROGRAM__LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif _LT_EOF # Now try linking the two files. mv conftest.$ac_objext conftstm.$ac_objext lt_globsym_save_LIBS=$LIBS lt_globsym_save_CFLAGS=$CFLAGS LIBS="conftstm.$ac_objext" CFLAGS="$CFLAGS$lt_prog_compiler_no_builtin_flag" if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 (eval $ac_link) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } && test -s conftest${ac_exeext}; then pipe_works=yes fi LIBS=$lt_globsym_save_LIBS CFLAGS=$lt_globsym_save_CFLAGS else echo "cannot find nm_test_func in $nlist" >&5 fi else echo "cannot find nm_test_var in $nlist" >&5 fi else echo "cannot run $lt_cv_sys_global_symbol_pipe" >&5 fi else echo "$progname: failed program was:" >&5 cat conftest.$ac_ext >&5 fi rm -rf conftest* conftst* # Do not use the global_symbol_pipe unless it works. if test "$pipe_works" = yes; then break else lt_cv_sys_global_symbol_pipe= fi done fi if test -z "$lt_cv_sys_global_symbol_pipe"; then lt_cv_sys_global_symbol_to_cdecl= fi if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: failed" >&5 $as_echo "failed" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5 $as_echo "ok" >&6; } fi # Response file support. if test "$lt_cv_nm_interface" = "MS dumpbin"; then nm_file_list_spec='@' elif $NM --help 2>/dev/null | grep '[@]FILE' >/dev/null; then nm_file_list_spec='@' fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sysroot" >&5 $as_echo_n "checking for sysroot... " >&6; } # Check whether --with-sysroot was given. if test "${with_sysroot+set}" = set; then : withval=$with_sysroot; else with_sysroot=no fi lt_sysroot= case ${with_sysroot} in #( yes) if test "$GCC" = yes; then lt_sysroot=`$CC --print-sysroot 2>/dev/null` fi ;; #( /*) lt_sysroot=`echo "$with_sysroot" | sed -e "$sed_quote_subst"` ;; #( no|'') ;; #( *) { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${with_sysroot}" >&5 $as_echo "${with_sysroot}" >&6; } as_fn_error $? "The sysroot must be an absolute path." "$LINENO" 5 ;; esac { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${lt_sysroot:-no}" >&5 $as_echo "${lt_sysroot:-no}" >&6; } # Check whether --enable-libtool-lock was given. if test "${enable_libtool_lock+set}" = set; then : enableval=$enable_libtool_lock; fi test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes # Some flags need to be propagated to the compiler or linker for good # libtool support. case $host in ia64-*-hpux*) # Find out which ABI we are using. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `/usr/bin/file conftest.$ac_objext` in *ELF-32*) HPUX_IA64_MODE="32" ;; *ELF-64*) HPUX_IA64_MODE="64" ;; esac fi rm -rf conftest* ;; *-*-irix6*) # Find out which ABI we are using. echo '#line '$LINENO' "configure"' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then if test "$lt_cv_prog_gnu_ld" = yes; then case `/usr/bin/file conftest.$ac_objext` in *32-bit*) LD="${LD-ld} -melf32bsmip" ;; *N32*) LD="${LD-ld} -melf32bmipn32" ;; *64-bit*) LD="${LD-ld} -melf64bmip" ;; esac else case `/usr/bin/file conftest.$ac_objext` in *32-bit*) LD="${LD-ld} -32" ;; *N32*) LD="${LD-ld} -n32" ;; *64-bit*) LD="${LD-ld} -64" ;; esac fi fi rm -rf conftest* ;; x86_64-*kfreebsd*-gnu|x86_64-*linux*|ppc*-*linux*|powerpc*-*linux*| \ s390*-*linux*|s390*-*tpf*|sparc*-*linux*) # Find out which ABI we are using. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `/usr/bin/file conftest.o` in *32-bit*) case $host in x86_64-*kfreebsd*-gnu) LD="${LD-ld} -m elf_i386_fbsd" ;; x86_64-*linux*) LD="${LD-ld} -m elf_i386" ;; ppc64-*linux*|powerpc64-*linux*) LD="${LD-ld} -m elf32ppclinux" ;; s390x-*linux*) LD="${LD-ld} -m elf_s390" ;; sparc64-*linux*) LD="${LD-ld} -m elf32_sparc" ;; esac ;; *64-bit*) case $host in x86_64-*kfreebsd*-gnu) LD="${LD-ld} -m elf_x86_64_fbsd" ;; x86_64-*linux*) LD="${LD-ld} -m elf_x86_64" ;; ppc*-*linux*|powerpc*-*linux*) LD="${LD-ld} -m elf64ppc" ;; s390*-*linux*|s390*-*tpf*) LD="${LD-ld} -m elf64_s390" ;; sparc*-*linux*) LD="${LD-ld} -m elf64_sparc" ;; esac ;; esac fi rm -rf conftest* ;; *-*-sco3.2v5*) # On SCO OpenServer 5, we need -belf to get full-featured binaries. SAVE_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -belf" { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler needs -belf" >&5 $as_echo_n "checking whether the C compiler needs -belf... " >&6; } if ${lt_cv_cc_needs_belf+:} false; then : $as_echo_n "(cached) " >&6 else ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : lt_cv_cc_needs_belf=yes else lt_cv_cc_needs_belf=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_cc_needs_belf" >&5 $as_echo "$lt_cv_cc_needs_belf" >&6; } if test x"$lt_cv_cc_needs_belf" != x"yes"; then # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf CFLAGS="$SAVE_CFLAGS" fi ;; *-*solaris*) # Find out which ABI we are using. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `/usr/bin/file conftest.o` in *64-bit*) case $lt_cv_prog_gnu_ld in yes*) case $host in i?86-*-solaris*) LD="${LD-ld} -m elf_x86_64" ;; sparc*-*-solaris*) LD="${LD-ld} -m elf64_sparc" ;; esac # GNU ld 2.21 introduced _sol2 emulations. Use them if available. if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then LD="${LD-ld}_sol2" fi ;; *) if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then LD="${LD-ld} -64" fi ;; esac ;; esac fi rm -rf conftest* ;; esac need_locks="$enable_libtool_lock" if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}mt", so it can be a program name with args. set dummy ${ac_tool_prefix}mt; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_MANIFEST_TOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$MANIFEST_TOOL"; then ac_cv_prog_MANIFEST_TOOL="$MANIFEST_TOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_MANIFEST_TOOL="${ac_tool_prefix}mt" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi MANIFEST_TOOL=$ac_cv_prog_MANIFEST_TOOL if test -n "$MANIFEST_TOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MANIFEST_TOOL" >&5 $as_echo "$MANIFEST_TOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_MANIFEST_TOOL"; then ac_ct_MANIFEST_TOOL=$MANIFEST_TOOL # Extract the first word of "mt", so it can be a program name with args. set dummy mt; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_MANIFEST_TOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_MANIFEST_TOOL"; then ac_cv_prog_ac_ct_MANIFEST_TOOL="$ac_ct_MANIFEST_TOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_ac_ct_MANIFEST_TOOL="mt" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_MANIFEST_TOOL=$ac_cv_prog_ac_ct_MANIFEST_TOOL if test -n "$ac_ct_MANIFEST_TOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_MANIFEST_TOOL" >&5 $as_echo "$ac_ct_MANIFEST_TOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_MANIFEST_TOOL" = x; then MANIFEST_TOOL=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac MANIFEST_TOOL=$ac_ct_MANIFEST_TOOL fi else MANIFEST_TOOL="$ac_cv_prog_MANIFEST_TOOL" fi test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $MANIFEST_TOOL is a manifest tool" >&5 $as_echo_n "checking if $MANIFEST_TOOL is a manifest tool... " >&6; } if ${lt_cv_path_mainfest_tool+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_path_mainfest_tool=no echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&5 $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out cat conftest.err >&5 if $GREP 'Manifest Tool' conftest.out > /dev/null; then lt_cv_path_mainfest_tool=yes fi rm -f conftest* fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_mainfest_tool" >&5 $as_echo "$lt_cv_path_mainfest_tool" >&6; } if test "x$lt_cv_path_mainfest_tool" != xyes; then MANIFEST_TOOL=: fi case $host_os in rhapsody* | darwin*) if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}dsymutil", so it can be a program name with args. set dummy ${ac_tool_prefix}dsymutil; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_DSYMUTIL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$DSYMUTIL"; then ac_cv_prog_DSYMUTIL="$DSYMUTIL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_DSYMUTIL="${ac_tool_prefix}dsymutil" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi DSYMUTIL=$ac_cv_prog_DSYMUTIL if test -n "$DSYMUTIL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DSYMUTIL" >&5 $as_echo "$DSYMUTIL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_DSYMUTIL"; then ac_ct_DSYMUTIL=$DSYMUTIL # Extract the first word of "dsymutil", so it can be a program name with args. set dummy dsymutil; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_DSYMUTIL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_DSYMUTIL"; then ac_cv_prog_ac_ct_DSYMUTIL="$ac_ct_DSYMUTIL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_ac_ct_DSYMUTIL="dsymutil" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_DSYMUTIL=$ac_cv_prog_ac_ct_DSYMUTIL if test -n "$ac_ct_DSYMUTIL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DSYMUTIL" >&5 $as_echo "$ac_ct_DSYMUTIL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_DSYMUTIL" = x; then DSYMUTIL=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac DSYMUTIL=$ac_ct_DSYMUTIL fi else DSYMUTIL="$ac_cv_prog_DSYMUTIL" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}nmedit", so it can be a program name with args. set dummy ${ac_tool_prefix}nmedit; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_NMEDIT+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$NMEDIT"; then ac_cv_prog_NMEDIT="$NMEDIT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_NMEDIT="${ac_tool_prefix}nmedit" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi NMEDIT=$ac_cv_prog_NMEDIT if test -n "$NMEDIT"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $NMEDIT" >&5 $as_echo "$NMEDIT" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_NMEDIT"; then ac_ct_NMEDIT=$NMEDIT # Extract the first word of "nmedit", so it can be a program name with args. set dummy nmedit; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_NMEDIT+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_NMEDIT"; then ac_cv_prog_ac_ct_NMEDIT="$ac_ct_NMEDIT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_ac_ct_NMEDIT="nmedit" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_NMEDIT=$ac_cv_prog_ac_ct_NMEDIT if test -n "$ac_ct_NMEDIT"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_NMEDIT" >&5 $as_echo "$ac_ct_NMEDIT" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_NMEDIT" = x; then NMEDIT=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac NMEDIT=$ac_ct_NMEDIT fi else NMEDIT="$ac_cv_prog_NMEDIT" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}lipo", so it can be a program name with args. set dummy ${ac_tool_prefix}lipo; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_LIPO+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$LIPO"; then ac_cv_prog_LIPO="$LIPO" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_LIPO="${ac_tool_prefix}lipo" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi LIPO=$ac_cv_prog_LIPO if test -n "$LIPO"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LIPO" >&5 $as_echo "$LIPO" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_LIPO"; then ac_ct_LIPO=$LIPO # Extract the first word of "lipo", so it can be a program name with args. set dummy lipo; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_LIPO+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_LIPO"; then ac_cv_prog_ac_ct_LIPO="$ac_ct_LIPO" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_ac_ct_LIPO="lipo" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_LIPO=$ac_cv_prog_ac_ct_LIPO if test -n "$ac_ct_LIPO"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_LIPO" >&5 $as_echo "$ac_ct_LIPO" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_LIPO" = x; then LIPO=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac LIPO=$ac_ct_LIPO fi else LIPO="$ac_cv_prog_LIPO" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}otool", so it can be a program name with args. set dummy ${ac_tool_prefix}otool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_OTOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$OTOOL"; then ac_cv_prog_OTOOL="$OTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_OTOOL="${ac_tool_prefix}otool" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi OTOOL=$ac_cv_prog_OTOOL if test -n "$OTOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL" >&5 $as_echo "$OTOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_OTOOL"; then ac_ct_OTOOL=$OTOOL # Extract the first word of "otool", so it can be a program name with args. set dummy otool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_OTOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_OTOOL"; then ac_cv_prog_ac_ct_OTOOL="$ac_ct_OTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_ac_ct_OTOOL="otool" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_OTOOL=$ac_cv_prog_ac_ct_OTOOL if test -n "$ac_ct_OTOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL" >&5 $as_echo "$ac_ct_OTOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_OTOOL" = x; then OTOOL=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OTOOL=$ac_ct_OTOOL fi else OTOOL="$ac_cv_prog_OTOOL" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}otool64", so it can be a program name with args. set dummy ${ac_tool_prefix}otool64; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_OTOOL64+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$OTOOL64"; then ac_cv_prog_OTOOL64="$OTOOL64" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then ac_cv_prog_OTOOL64="${ac_tool_prefix}otool64" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi OTOOL64=$ac_cv_prog_OTOOL64 if test -n "$OTOOL64"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL64" >&5 $as_echo "$OTOOL64" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_OTOOL64"; then ac_ct_OTOOL64=$OTOOL64 # Extract the first word of "otool64", so it can be a program name with args. set dummy otool64; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... 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" >&6; } if ${lt_cv_apple_cc_single_mod+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_apple_cc_single_mod=no if test -z "${LT_MULTI_MODULE}"; then # By default we will add the -single_module flag. 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FIXME archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' else ld_shlibs=no fi ;; cygwin* | mingw* | pw32* | cegcc*) # _LT_TAGVAR(hardcode_libdir_flag_spec, ) is actually meaningless, # as there is no search path for DLLs. hardcode_libdir_flag_spec='-L$libdir' export_dynamic_flag_spec='${wl}--export-all-symbols' allow_undefined_flag=unsupported always_export_symbols=no enable_shared_with_static_runtimes=yes export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1 DATA/;s/^.*[ ]__nm__\([^ ]*\)[ ][^ ]*/\1 DATA/;/^I[ ]/d;/^[AITW][ ]/s/.* //'\'' | sort | uniq > $export_symbols' exclude_expsyms='[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname' if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' # If the export-symbols file already is a .def file (1st line # is EXPORTS), use it as is; otherwise, prepend... archive_expsym_cmds='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then cp $export_symbols $output_objdir/$soname.def; else echo EXPORTS > $output_objdir/$soname.def; cat $export_symbols >> $output_objdir/$soname.def; fi~ $CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' else ld_shlibs=no fi ;; haiku*) archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' link_all_deplibs=yes ;; interix[3-9]*) hardcode_direct=no hardcode_shlibpath_var=no hardcode_libdir_flag_spec='${wl}-rpath,$libdir' export_dynamic_flag_spec='${wl}-E' # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc. # Instead, shared libraries are loaded at an image base (0x10000000 by # default) and relocated if they conflict, which is a slow very memory # consuming and fragmenting process. To avoid this, we pick a random, # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link # time. Moving up from 0x10000000 also allows more sbrk(2) space. archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' archive_expsym_cmds='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' ;; gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu) tmp_diet=no if test "$host_os" = linux-dietlibc; then case $cc_basename in diet\ *) tmp_diet=yes;; # linux-dietlibc with static linking (!diet-dyn) esac fi if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \ && test "$tmp_diet" = no then tmp_addflag=' $pic_flag' tmp_sharedflag='-shared' case $cc_basename,$host_cpu in pgcc*) # Portland Group C compiler whole_archive_flag_spec='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' tmp_addflag=' $pic_flag' ;; pgf77* | pgf90* | pgf95* | pgfortran*) # Portland Group f77 and f90 compilers whole_archive_flag_spec='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' tmp_addflag=' $pic_flag -Mnomain' ;; ecc*,ia64* | icc*,ia64*) # Intel C compiler on ia64 tmp_addflag=' -i_dynamic' ;; efc*,ia64* | ifort*,ia64*) # Intel Fortran compiler on ia64 tmp_addflag=' -i_dynamic -nofor_main' ;; ifc* | ifort*) # Intel Fortran compiler tmp_addflag=' -nofor_main' ;; lf95*) # Lahey Fortran 8.1 whole_archive_flag_spec= tmp_sharedflag='--shared' ;; xl[cC]* | bgxl[cC]* | mpixl[cC]*) # IBM XL C 8.0 on PPC (deal with xlf below) tmp_sharedflag='-qmkshrobj' tmp_addflag= ;; nvcc*) # Cuda Compiler Driver 2.2 whole_archive_flag_spec='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' compiler_needs_object=yes ;; esac case `$CC -V 2>&1 | sed 5q` in *Sun\ C*) # Sun C 5.9 whole_archive_flag_spec='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' compiler_needs_object=yes tmp_sharedflag='-G' ;; *Sun\ F*) # Sun Fortran 8.3 tmp_sharedflag='-G' ;; esac archive_cmds='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' if test "x$supports_anon_versioning" = xyes; then archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~ cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ echo "local: *; };" >> $output_objdir/$libname.ver~ $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib' fi case $cc_basename in xlf* | bgf* | bgxlf* | mpixlf*) # IBM XL Fortran 10.1 on PPC cannot create shared libs itself whole_archive_flag_spec='--whole-archive$convenience --no-whole-archive' hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname -o $lib' if test "x$supports_anon_versioning" = xyes; then archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~ cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ echo "local: *; };" >> $output_objdir/$libname.ver~ $LD -shared $libobjs $deplibs $linker_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib' fi ;; esac else ld_shlibs=no fi ;; netbsd*) if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib' wlarc= else archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' fi ;; solaris*) if $LD -v 2>&1 | $GREP 'BFD 2\.8' > /dev/null; then ld_shlibs=no cat <<_LT_EOF 1>&2 *** Warning: The releases 2.8.* of the GNU linker cannot reliably *** create shared libraries on Solaris systems. Therefore, libtool *** is disabling shared libraries support. We urge you to upgrade GNU *** binutils to release 2.9.1 or newer. Another option is to modify *** your PATH or compiler configuration so that the native linker is *** used, and then restart. _LT_EOF elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' else ld_shlibs=no fi ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*) case `$LD -v 2>&1` in *\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*) ld_shlibs=no cat <<_LT_EOF 1>&2 *** Warning: Releases of the GNU linker prior to 2.16.91.0.3 can not *** reliably create shared libraries on SCO systems. Therefore, libtool *** is disabling shared libraries support. We urge you to upgrade GNU *** binutils to release 2.16.91.0.3 or newer. Another option is to modify *** your PATH or compiler configuration so that the native linker is *** used, and then restart. _LT_EOF ;; *) # For security reasons, it is highly recommended that you always # use absolute paths for naming shared libraries, and exclude the # DT_RUNPATH tag from executables and libraries. But doing so # requires that you compile everything twice, which is a pain. if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' else ld_shlibs=no fi ;; esac ;; sunos4*) archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags' wlarc= hardcode_direct=yes hardcode_shlibpath_var=no ;; *) if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' else ld_shlibs=no fi ;; esac if test "$ld_shlibs" = no; then runpath_var= hardcode_libdir_flag_spec= export_dynamic_flag_spec= whole_archive_flag_spec= fi else # PORTME fill in a description of your system's linker (not GNU ld) case $host_os in aix3*) allow_undefined_flag=unsupported always_export_symbols=yes archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname' # Note: this linker hardcodes the directories in LIBPATH if there # are no directories specified by -L. hardcode_minus_L=yes if test "$GCC" = yes && test -z "$lt_prog_compiler_static"; then # Neither direct hardcoding nor static linking is supported with a # broken collect2. hardcode_direct=unsupported fi ;; aix[4-9]*) if test "$host_cpu" = ia64; then # On IA64, the linker does run time linking by default, so we don't # have to do anything special. aix_use_runtimelinking=no exp_sym_flag='-Bexport' no_entry_flag="" else # If we're using GNU nm, then we don't want the "-C" option. # -C means demangle to AIX nm, but means don't demangle with GNU nm # Also, AIX nm treats weak defined symbols like other global # defined symbols, whereas GNU nm marks them as "W". if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then export_symbols_cmds='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols' else export_symbols_cmds='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols' fi aix_use_runtimelinking=no # Test if we are trying to use run time linking or normal # AIX style linking. If -brtl is somewhere in LDFLAGS, we # need to do runtime linking. case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*) for ld_flag in $LDFLAGS; do if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then aix_use_runtimelinking=yes break fi done ;; esac exp_sym_flag='-bexport' no_entry_flag='-bnoentry' fi # When large executables or shared objects are built, AIX ld can # have problems creating the table of contents. If linking a library # or program results in "error TOC overflow" add -mminimal-toc to # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. archive_cmds='' hardcode_direct=yes hardcode_direct_absolute=yes hardcode_libdir_separator=':' link_all_deplibs=yes file_list_spec='${wl}-f,' if test "$GCC" = yes; then case $host_os in aix4.[012]|aix4.[012].*) # We only want to do this on AIX 4.2 and lower, the check # below for broken collect2 doesn't work under 4.3+ collect2name=`${CC} -print-prog-name=collect2` if test -f "$collect2name" && strings "$collect2name" | $GREP resolve_lib_name >/dev/null then # We have reworked collect2 : else # We have old collect2 hardcode_direct=unsupported # It fails to find uninstalled libraries when the uninstalled # path is not listed in the libpath. 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The following line is correct: shared_flag='-G' else if test "$aix_use_runtimelinking" = yes; then shared_flag='${wl}-G' else shared_flag='${wl}-bM:SRE' fi fi fi export_dynamic_flag_spec='${wl}-bexpall' # It seems that -bexpall does not export symbols beginning with # underscore (_), so it is better to generate a list of symbols to export. always_export_symbols=yes if test "$aix_use_runtimelinking" = yes; then # Warning - without using the other runtime loading flags (-brtl), # -berok will link without error, but may produce a broken library. allow_undefined_flag='-berok' # Determine the default libpath from the value encoded in an # empty executable. if test "${lt_cv_aix_libpath+set}" = set; then aix_libpath=$lt_cv_aix_libpath else if ${lt_cv_aix_libpath_+:} false; then : $as_echo_n "(cached) " >&6 else cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : lt_aix_libpath_sed=' /Import File Strings/,/^$/ { /^0/ { s/^0 *\([^ ]*\) *$/\1/ p } }' lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` # Check for a 64-bit object if we didn't find anything. if test -z "$lt_cv_aix_libpath_"; then lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` fi fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext if test -z "$lt_cv_aix_libpath_"; then lt_cv_aix_libpath_="/usr/lib:/lib" fi fi aix_libpath=$lt_cv_aix_libpath_ fi hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath" archive_expsym_cmds='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then func_echo_all "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag" else if test "$host_cpu" = ia64; then hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib' allow_undefined_flag="-z nodefs" archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols" else # Determine the default libpath from the value encoded in an # empty executable. if test "${lt_cv_aix_libpath+set}" = set; 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then # We only use this code for GNU lds that support --whole-archive. whole_archive_flag_spec='${wl}--whole-archive$convenience ${wl}--no-whole-archive' else # Exported symbols can be pulled into shared objects from archives whole_archive_flag_spec='$convenience' fi archive_cmds_need_lc=yes # This is similar to how AIX traditionally builds its shared libraries. archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname' fi fi ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' archive_expsym_cmds='' ;; m68k) archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' hardcode_libdir_flag_spec='-L$libdir' hardcode_minus_L=yes ;; esac ;; bsdi[45]*) export_dynamic_flag_spec=-rdynamic ;; cygwin* | mingw* | pw32* | cegcc*) # When not using gcc, we currently assume that we are using # Microsoft Visual C++. # hardcode_libdir_flag_spec is actually meaningless, as there is # no search path for DLLs. case $cc_basename in cl*) # Native MSVC hardcode_libdir_flag_spec=' ' allow_undefined_flag=unsupported always_export_symbols=yes file_list_spec='@' # Tell ltmain to make .lib files, not .a files. libext=lib # Tell ltmain to make .dll files, not .so files. shrext_cmds=".dll" # FIXME: Setting linknames here is a bad hack. archive_cmds='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-dll~linknames=' archive_expsym_cmds='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then sed -n -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' -e '1\\\!p' < $export_symbols > $output_objdir/$soname.exp; else sed -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' < $export_symbols > $output_objdir/$soname.exp; fi~ $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~ linknames=' # The linker will not automatically build a static lib if we build a DLL. # _LT_TAGVAR(old_archive_from_new_cmds, )='true' enable_shared_with_static_runtimes=yes exclude_expsyms='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*' export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1,DATA/'\'' | $SED -e '\''/^[AITW][ ]/s/.*[ ]//'\'' | sort | uniq > $export_symbols' # Don't use ranlib old_postinstall_cmds='chmod 644 $oldlib' postlink_cmds='lt_outputfile="@OUTPUT@"~ lt_tool_outputfile="@TOOL_OUTPUT@"~ case $lt_outputfile in *.exe|*.EXE) ;; *) lt_outputfile="$lt_outputfile.exe" lt_tool_outputfile="$lt_tool_outputfile.exe" ;; esac~ if test "$MANIFEST_TOOL" != ":" && test -f "$lt_outputfile.manifest"; then $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1; $RM "$lt_outputfile.manifest"; fi' ;; *) # Assume MSVC wrapper hardcode_libdir_flag_spec=' ' allow_undefined_flag=unsupported # Tell ltmain to make .lib files, not .a files. libext=lib # Tell ltmain to make .dll files, not .so files. shrext_cmds=".dll" # FIXME: Setting linknames here is a bad hack. archive_cmds='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames=' # The linker will automatically build a .lib file if we build a DLL. old_archive_from_new_cmds='true' # FIXME: Should let the user specify the lib program. old_archive_cmds='lib -OUT:$oldlib$oldobjs$old_deplibs' enable_shared_with_static_runtimes=yes ;; esac ;; darwin* | rhapsody*) archive_cmds_need_lc=no hardcode_direct=no hardcode_automatic=yes hardcode_shlibpath_var=unsupported if test "$lt_cv_ld_force_load" = "yes"; then whole_archive_flag_spec='`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience ${wl}-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`' else whole_archive_flag_spec='' fi link_all_deplibs=yes allow_undefined_flag="$_lt_dar_allow_undefined" case $cc_basename in ifort*) _lt_dar_can_shared=yes ;; *) _lt_dar_can_shared=$GCC ;; esac if test "$_lt_dar_can_shared" = "yes"; then output_verbose_link_cmd=func_echo_all archive_cmds="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}" module_cmds="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}" archive_expsym_cmds="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}" module_expsym_cmds="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}" else ld_shlibs=no fi ;; dgux*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_libdir_flag_spec='-L$libdir' hardcode_shlibpath_var=no ;; # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor # support. 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" >&6; } if ${lt_cv_prog_compiler__b+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_prog_compiler__b=no save_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -b" echo "$lt_simple_link_test_code" > conftest.$ac_ext if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then # The linker can only warn and ignore the option if not recognized # So say no if there are warnings if test -s conftest.err; then # Append any errors to the config.log. cat conftest.err 1>&5 $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 if diff conftest.exp conftest.er2 >/dev/null; then lt_cv_prog_compiler__b=yes fi else lt_cv_prog_compiler__b=yes fi fi $RM -r conftest* LDFLAGS="$save_LDFLAGS" fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler__b" >&5 $as_echo "$lt_cv_prog_compiler__b" >&6; } if test x"$lt_cv_prog_compiler__b" = xyes; then archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' fi ;; esac fi if test "$with_gnu_ld" = no; then hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' hardcode_libdir_separator=: case $host_cpu in hppa*64*|ia64*) hardcode_direct=no hardcode_shlibpath_var=no ;; *) hardcode_direct=yes hardcode_direct_absolute=yes export_dynamic_flag_spec='${wl}-E' # hardcode_minus_L: Not really in the search PATH, # but as the default location of the library. hardcode_minus_L=yes ;; esac fi ;; irix5* | irix6* | nonstopux*) if test "$GCC" = yes; then archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' # Try to use the -exported_symbol ld option, if it does not # work, assume that -exports_file does not work either and # implicitly export all symbols. # This should be the same for all languages, so no per-tag cache variable. { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $host_os linker accepts -exported_symbol" >&5 $as_echo_n "checking whether the $host_os linker accepts -exported_symbol... " >&6; } if ${lt_cv_irix_exported_symbol+:} false; then : $as_echo_n "(cached) " >&6 else save_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -shared ${wl}-exported_symbol ${wl}foo ${wl}-update_registry ${wl}/dev/null" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo (void) { return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : lt_cv_irix_exported_symbol=yes else lt_cv_irix_exported_symbol=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LDFLAGS="$save_LDFLAGS" fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_irix_exported_symbol" >&5 $as_echo "$lt_cv_irix_exported_symbol" >&6; } if test "$lt_cv_irix_exported_symbol" = yes; then archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations ${wl}-exports_file ${wl}$export_symbols -o $lib' fi else archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -exports_file $export_symbols -o $lib' fi archive_cmds_need_lc='no' hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' hardcode_libdir_separator=: inherit_rpath=yes link_all_deplibs=yes ;; netbsd*) if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out else archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF fi hardcode_libdir_flag_spec='-R$libdir' hardcode_direct=yes hardcode_shlibpath_var=no ;; newsos6) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=yes hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' hardcode_libdir_separator=: hardcode_shlibpath_var=no ;; *nto* | *qnx*) ;; openbsd*) if test -f /usr/libexec/ld.so; then hardcode_direct=yes hardcode_shlibpath_var=no hardcode_direct_absolute=yes if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-retain-symbols-file,$export_symbols' hardcode_libdir_flag_spec='${wl}-rpath,$libdir' export_dynamic_flag_spec='${wl}-E' else case $host_os in openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*) archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' hardcode_libdir_flag_spec='-R$libdir' ;; *) archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' hardcode_libdir_flag_spec='${wl}-rpath,$libdir' ;; esac fi else ld_shlibs=no fi ;; os2*) hardcode_libdir_flag_spec='-L$libdir' hardcode_minus_L=yes allow_undefined_flag=unsupported archive_cmds='$ECHO "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~echo DATA >> $output_objdir/$libname.def~echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def' old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def' ;; osf3*) if test "$GCC" = yes; then allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' else allow_undefined_flag=' -expect_unresolved \*' archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' fi archive_cmds_need_lc='no' hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' hardcode_libdir_separator=: ;; osf4* | osf5*) # as osf3* with the addition of -msym flag if test "$GCC" = yes; then allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' archive_cmds='$CC -shared${allow_undefined_flag} $pic_flag $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' else allow_undefined_flag=' -expect_unresolved \*' archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' archive_expsym_cmds='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~ $CC -shared${allow_undefined_flag} ${wl}-input ${wl}$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib~$RM $lib.exp' # Both c and cxx compiler support -rpath directly hardcode_libdir_flag_spec='-rpath $libdir' fi archive_cmds_need_lc='no' hardcode_libdir_separator=: ;; solaris*) no_undefined_flag=' -z defs' if test "$GCC" = yes; then wlarc='${wl}' archive_cmds='$CC -shared $pic_flag ${wl}-z ${wl}text ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -shared $pic_flag ${wl}-z ${wl}text ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' else case `$CC -V 2>&1` in *"Compilers 5.0"*) wlarc='' archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags' archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp' ;; *) wlarc='${wl}' archive_cmds='$CC -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' ;; esac fi hardcode_libdir_flag_spec='-R$libdir' hardcode_shlibpath_var=no case $host_os in solaris2.[0-5] | solaris2.[0-5].*) ;; *) # The compiler driver will combine and reorder linker options, # but understands `-z linker_flag'. GCC discards it without `$wl', # but is careful enough not to reorder. # Supported since Solaris 2.6 (maybe 2.5.1?) if test "$GCC" = yes; then whole_archive_flag_spec='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract' else whole_archive_flag_spec='-z allextract$convenience -z defaultextract' fi ;; esac link_all_deplibs=yes ;; sunos4*) if test "x$host_vendor" = xsequent; then # Use $CC to link under sequent, because it throws in some extra .o # files that make .init and .fini sections work. archive_cmds='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' fi hardcode_libdir_flag_spec='-L$libdir' hardcode_direct=yes hardcode_minus_L=yes hardcode_shlibpath_var=no ;; sysv4) case $host_vendor in sni) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=yes # is this really true??? ;; siemens) ## LD is ld it makes a PLAMLIB ## CC just makes a GrossModule. archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags' reload_cmds='$CC -r -o $output$reload_objs' hardcode_direct=no ;; motorola) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=no #Motorola manual says yes, but my tests say they lie ;; esac runpath_var='LD_RUN_PATH' hardcode_shlibpath_var=no ;; sysv4.3*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_shlibpath_var=no export_dynamic_flag_spec='-Bexport' ;; sysv4*MP*) if test -d /usr/nec; then archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_shlibpath_var=no runpath_var=LD_RUN_PATH hardcode_runpath_var=yes ld_shlibs=yes fi ;; sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*) no_undefined_flag='${wl}-z,text' archive_cmds_need_lc=no hardcode_shlibpath_var=no runpath_var='LD_RUN_PATH' if test "$GCC" = yes; then archive_cmds='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' fi ;; sysv5* | sco3.2v5* | sco5v6*) # Note: We can NOT use -z defs as we might desire, because we do not # link with -lc, and that would cause any symbols used from libc to # always be unresolved, which means just about no library would # ever link correctly. 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esac else shlibpath_overrides_runpath=yes fi ;; os2*) libname_spec='$name' shrext_cmds=".dll" need_lib_prefix=no library_names_spec='$libname${shared_ext} $libname.a' dynamic_linker='OS/2 ld.exe' shlibpath_var=LIBPATH ;; osf3* | osf4* | osf5*) version_type=osf need_lib_prefix=no need_version=no soname_spec='${libname}${release}${shared_ext}$major' library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' shlibpath_var=LD_LIBRARY_PATH sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec" ;; rdos*) dynamic_linker=no ;; solaris*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes # ldd complains unless libraries are executable postinstall_cmds='chmod +x $lib' ;; sunos4*) version_type=sunos library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes if test "$with_gnu_ld" = yes; then need_lib_prefix=no fi need_version=yes ;; sysv4 | sysv4.3*) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH case $host_vendor in sni) shlibpath_overrides_runpath=no need_lib_prefix=no runpath_var=LD_RUN_PATH ;; siemens) need_lib_prefix=no ;; motorola) need_lib_prefix=no need_version=no shlibpath_overrides_runpath=no sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' ;; esac ;; sysv4*MP*) if test -d /usr/nec ;then version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}' soname_spec='$libname${shared_ext}.$major' shlibpath_var=LD_LIBRARY_PATH fi ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) version_type=freebsd-elf need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes if test "$with_gnu_ld" = yes; then sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib' else sys_lib_search_path_spec='/usr/ccs/lib /usr/lib' case $host_os in sco3.2v5*) sys_lib_search_path_spec="$sys_lib_search_path_spec /lib" ;; esac fi sys_lib_dlsearch_path_spec='/usr/lib' ;; tpf*) # TPF is a cross-target only. Preferred cross-host = GNU/Linux. version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; uts4*) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH ;; *) dynamic_linker=no ;; esac { $as_echo "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5 $as_echo "$dynamic_linker" >&6; } test "$dynamic_linker" = no && can_build_shared=no variables_saved_for_relink="PATH $shlibpath_var $runpath_var" if test "$GCC" = yes; then variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" fi if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec" fi if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec" fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5 $as_echo_n "checking how to hardcode library paths into programs... " >&6; } hardcode_action= if test -n "$hardcode_libdir_flag_spec" || test -n "$runpath_var" || test "X$hardcode_automatic" = "Xyes" ; then # We can hardcode non-existent directories. if test "$hardcode_direct" != no && # If the only mechanism to avoid hardcoding is shlibpath_var, we # have to relink, otherwise we might link with an installed library # when we should be linking with a yet-to-be-installed one ## test "$_LT_TAGVAR(hardcode_shlibpath_var, )" != no && test "$hardcode_minus_L" != no; then # Linking always hardcodes the temporary library directory. hardcode_action=relink else # We can link without hardcoding, and we can hardcode nonexisting dirs. hardcode_action=immediate fi else # We cannot hardcode anything, or else we can only hardcode existing # directories. hardcode_action=unsupported fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $hardcode_action" >&5 $as_echo "$hardcode_action" >&6; } if test "$hardcode_action" = relink || test "$inherit_rpath" = yes; then # Fast installation is not supported enable_fast_install=no elif test "$shlibpath_overrides_runpath" = yes || test "$enable_shared" = no; then # Fast installation is not necessary enable_fast_install=needless fi if test "x$enable_dlopen" != xyes; then enable_dlopen=unknown enable_dlopen_self=unknown enable_dlopen_self_static=unknown else lt_cv_dlopen=no lt_cv_dlopen_libs= case $host_os in beos*) lt_cv_dlopen="load_add_on" lt_cv_dlopen_libs= lt_cv_dlopen_self=yes ;; mingw* | pw32* | cegcc*) lt_cv_dlopen="LoadLibrary" lt_cv_dlopen_libs= ;; cygwin*) lt_cv_dlopen="dlopen" lt_cv_dlopen_libs= ;; darwin*) # if libdl is installed we need to link against it { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 $as_echo_n "checking for dlopen in -ldl... " >&6; } if ${ac_cv_lib_dl_dlopen+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-ldl $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char dlopen (); int main () { return dlopen (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_dl_dlopen=yes else ac_cv_lib_dl_dlopen=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 $as_echo "$ac_cv_lib_dl_dlopen" >&6; } if test "x$ac_cv_lib_dl_dlopen" = xyes; then : lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl" else lt_cv_dlopen="dyld" lt_cv_dlopen_libs= lt_cv_dlopen_self=yes fi ;; *) ac_fn_c_check_func "$LINENO" "shl_load" "ac_cv_func_shl_load" if test "x$ac_cv_func_shl_load" = xyes; then : lt_cv_dlopen="shl_load" else { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5 $as_echo_n "checking for shl_load in -ldld... " >&6; } if ${ac_cv_lib_dld_shl_load+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-ldld $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char shl_load (); int main () { return shl_load (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_dld_shl_load=yes else ac_cv_lib_dld_shl_load=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5 $as_echo "$ac_cv_lib_dld_shl_load" >&6; } if test "x$ac_cv_lib_dld_shl_load" = xyes; then : lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld" else ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen" if test "x$ac_cv_func_dlopen" = xyes; then : lt_cv_dlopen="dlopen" else { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 $as_echo_n "checking for dlopen in -ldl... " >&6; } if ${ac_cv_lib_dl_dlopen+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-ldl $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char dlopen (); int main () { return dlopen (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_dl_dlopen=yes else ac_cv_lib_dl_dlopen=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 $as_echo "$ac_cv_lib_dl_dlopen" >&6; } if test "x$ac_cv_lib_dl_dlopen" = xyes; then : lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl" else { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -lsvld" >&5 $as_echo_n "checking for dlopen in -lsvld... " >&6; } if ${ac_cv_lib_svld_dlopen+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-lsvld $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char dlopen (); int main () { return dlopen (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_svld_dlopen=yes else ac_cv_lib_svld_dlopen=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_svld_dlopen" >&5 $as_echo "$ac_cv_lib_svld_dlopen" >&6; } if test "x$ac_cv_lib_svld_dlopen" = xyes; then : lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld" else { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dld_link in -ldld" >&5 $as_echo_n "checking for dld_link in -ldld... " >&6; } if ${ac_cv_lib_dld_dld_link+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-ldld $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char dld_link (); int main () { return dld_link (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_dld_dld_link=yes else ac_cv_lib_dld_dld_link=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_dld_link" >&5 $as_echo "$ac_cv_lib_dld_dld_link" >&6; } if test "x$ac_cv_lib_dld_dld_link" = xyes; then : lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld" fi fi fi fi fi fi ;; esac if test "x$lt_cv_dlopen" != xno; then enable_dlopen=yes else enable_dlopen=no fi case $lt_cv_dlopen in dlopen) save_CPPFLAGS="$CPPFLAGS" test "x$ac_cv_header_dlfcn_h" = xyes && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" save_LDFLAGS="$LDFLAGS" wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" save_LIBS="$LIBS" LIBS="$lt_cv_dlopen_libs $LIBS" { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a program can dlopen itself" >&5 $as_echo_n "checking whether a program can dlopen itself... " >&6; } if ${lt_cv_dlopen_self+:} false; then : $as_echo_n "(cached) " >&6 else if test "$cross_compiling" = yes; then : lt_cv_dlopen_self=cross else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF #line $LINENO "configure" #include "confdefs.h" #if HAVE_DLFCN_H #include #endif #include #ifdef RTLD_GLOBAL # define LT_DLGLOBAL RTLD_GLOBAL #else # ifdef DL_GLOBAL # define LT_DLGLOBAL DL_GLOBAL # else # define LT_DLGLOBAL 0 # endif #endif /* We may have to define LT_DLLAZY_OR_NOW in the command line if we find out it does not work in some platform. */ #ifndef LT_DLLAZY_OR_NOW # ifdef RTLD_LAZY # define LT_DLLAZY_OR_NOW RTLD_LAZY # else # ifdef DL_LAZY # define LT_DLLAZY_OR_NOW DL_LAZY # else # ifdef RTLD_NOW # define LT_DLLAZY_OR_NOW RTLD_NOW # else # ifdef DL_NOW # define LT_DLLAZY_OR_NOW DL_NOW # else # define LT_DLLAZY_OR_NOW 0 # endif # endif # endif # endif #endif /* When -fvisbility=hidden is used, assume the code has been annotated correspondingly for the symbols needed. */ #if defined(__GNUC__) && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) int fnord () __attribute__((visibility("default"))); #endif int fnord () { return 42; } int main () { void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); int status = $lt_dlunknown; if (self) { if (dlsym (self,"fnord")) status = $lt_dlno_uscore; else { if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; else puts (dlerror ()); } /* dlclose (self); */ } else puts (dlerror ()); return status; } _LT_EOF if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 (eval $ac_link) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } && test -s conftest${ac_exeext} 2>/dev/null; then (./conftest; exit; ) >&5 2>/dev/null lt_status=$? case x$lt_status in x$lt_dlno_uscore) lt_cv_dlopen_self=yes ;; x$lt_dlneed_uscore) lt_cv_dlopen_self=yes ;; x$lt_dlunknown|x*) lt_cv_dlopen_self=no ;; esac else : # compilation failed lt_cv_dlopen_self=no fi fi rm -fr conftest* fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self" >&5 $as_echo "$lt_cv_dlopen_self" >&6; } if test "x$lt_cv_dlopen_self" = xyes; then wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\" { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a statically linked program can dlopen itself" >&5 $as_echo_n "checking whether a statically linked program can dlopen itself... " >&6; } if ${lt_cv_dlopen_self_static+:} false; then : $as_echo_n "(cached) " >&6 else if test "$cross_compiling" = yes; then : lt_cv_dlopen_self_static=cross else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF #line $LINENO "configure" #include "confdefs.h" #if HAVE_DLFCN_H #include #endif #include #ifdef RTLD_GLOBAL # define LT_DLGLOBAL RTLD_GLOBAL #else # ifdef DL_GLOBAL # define LT_DLGLOBAL DL_GLOBAL # else # define LT_DLGLOBAL 0 # endif #endif /* We may have to define LT_DLLAZY_OR_NOW in the command line if we find out it does not work in some platform. */ #ifndef LT_DLLAZY_OR_NOW # ifdef RTLD_LAZY # define LT_DLLAZY_OR_NOW RTLD_LAZY # else # ifdef DL_LAZY # define LT_DLLAZY_OR_NOW DL_LAZY # else # ifdef RTLD_NOW # define LT_DLLAZY_OR_NOW RTLD_NOW # else # ifdef DL_NOW # define LT_DLLAZY_OR_NOW DL_NOW # else # define LT_DLLAZY_OR_NOW 0 # endif # endif # endif # endif #endif /* When -fvisbility=hidden is used, assume the code has been annotated correspondingly for the symbols needed. */ #if defined(__GNUC__) && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) int fnord () __attribute__((visibility("default"))); #endif int fnord () { return 42; } int main () { void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); int status = $lt_dlunknown; if (self) { if (dlsym (self,"fnord")) status = $lt_dlno_uscore; else { if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; else puts (dlerror ()); } /* dlclose (self); */ } else puts (dlerror ()); return status; } _LT_EOF if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 (eval $ac_link) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } && test -s conftest${ac_exeext} 2>/dev/null; then (./conftest; exit; ) >&5 2>/dev/null lt_status=$? case x$lt_status in x$lt_dlno_uscore) lt_cv_dlopen_self_static=yes ;; x$lt_dlneed_uscore) lt_cv_dlopen_self_static=yes ;; x$lt_dlunknown|x*) lt_cv_dlopen_self_static=no ;; esac else : # compilation failed lt_cv_dlopen_self_static=no fi fi rm -fr conftest* fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self_static" >&5 $as_echo "$lt_cv_dlopen_self_static" >&6; } fi CPPFLAGS="$save_CPPFLAGS" LDFLAGS="$save_LDFLAGS" LIBS="$save_LIBS" ;; esac case $lt_cv_dlopen_self in yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;; *) enable_dlopen_self=unknown ;; esac case $lt_cv_dlopen_self_static in yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;; *) enable_dlopen_self_static=unknown ;; esac fi striplib= old_striplib= { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether stripping libraries is possible" >&5 $as_echo_n "checking whether stripping libraries is possible... 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"Requested GUPnP IGD, but it is not available" "$LINENO" 5 fi if test "x$HAVE_GUPNP" = "xyes"; then $as_echo "#define HAVE_GUPNP /**/" >>confdefs.h fi # Check whether --enable-coverage was given. if test "${enable_coverage+set}" = set; then : enableval=$enable_coverage; else enable_coverage="no" fi if test "${enable_coverage}" != "no"; then : CFLAGS="${CFLAGS} -g -O0 -fprofile-arcs -ftest-coverage" LDFLAGS="-lgcov" CCACHE_DISABLE=1 fi case $host_os in solaris*) LDFLAGS="$LDFLAGS -lsocket -lnls" ;; *) ;; esac # check for gtk-doc # Extract the first word of "gtkdoc-check", so it can be a program name with args. set dummy gtkdoc-check; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... 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"You need to have gtk-doc >= 1.9 installed to build $PACKAGE_NAME" "$LINENO" 5 fi if test "x$PACKAGE_NAME" != "xglib"; then pkg_failed=no { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GTKDOC_DEPS" >&5 $as_echo_n "checking for GTKDOC_DEPS... 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"Package requirements (glib-2.0 >= 2.10.0 gobject-2.0 >= 2.10.0) were not met: $GTKDOC_DEPS_PKG_ERRORS Consider adjusting the PKG_CONFIG_PATH environment variable if you installed software in a non-standard prefix. Alternatively, you may set the environment variables GTKDOC_DEPS_CFLAGS and GTKDOC_DEPS_LIBS to avoid the need to call pkg-config. See the pkg-config man page for more details." "$LINENO" 5 elif test $pkg_failed = untried; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;} as_fn_error $? "The pkg-config script could not be found or is too old. Make sure it is in your PATH or set the PKG_CONFIG environment variable to the full path to pkg-config. Alternatively, you may set the environment variables GTKDOC_DEPS_CFLAGS and GTKDOC_DEPS_LIBS to avoid the need to call pkg-config. See the pkg-config man page for more details. To get pkg-config, see . See \`config.log' for more details" "$LINENO" 5; } else GTKDOC_DEPS_CFLAGS=$pkg_cv_GTKDOC_DEPS_CFLAGS GTKDOC_DEPS_LIBS=$pkg_cv_GTKDOC_DEPS_LIBS { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 $as_echo "yes" >&6; } fi fi fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build gtk-doc documentation" >&5 $as_echo_n "checking whether to build gtk-doc documentation... 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Here is a sample; alter the names: Yoyodyne, Inc., hereby disclaims all copyright interest in the library `Frob' (a library for tweaking knobs) written by James Random Hacker. , 1 April 1990 Ty Coon, President of Vice That's all there is to it! libnice-0.1.4/ltmain.sh0000644000175000017500000105152212112006553011663 00000000000000 # libtool (GNU libtool) 2.4.2 # Written by Gordon Matzigkeit , 1996 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, # 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc. # This is free software; see the source for copying conditions. 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On IRIX 6.4+, sh # is ksh but when the shell is invoked as "sh" and the current value of # the _XPG environment variable is not equal to 1 (one), the special # positional parameter $0, within a function call, is the name of the # function. progpath="$0" : ${CP="cp -f"} test "${ECHO+set}" = set || ECHO=${as_echo-'printf %s\n'} : ${MAKE="make"} : ${MKDIR="mkdir"} : ${MV="mv -f"} : ${RM="rm -f"} : ${SHELL="${CONFIG_SHELL-/bin/sh}"} : ${Xsed="$SED -e 1s/^X//"} # Global variables: EXIT_SUCCESS=0 EXIT_FAILURE=1 EXIT_MISMATCH=63 # $? = 63 is used to indicate version mismatch to missing. EXIT_SKIP=77 # $? = 77 is used to indicate a skipped test to automake. exit_status=$EXIT_SUCCESS # Make sure IFS has a sensible default lt_nl=' ' IFS=" $lt_nl" dirname="s,/[^/]*$,," basename="s,^.*/,," # func_dirname file append nondir_replacement # Compute the dirname of FILE. If nonempty, add APPEND to the result, # otherwise set result to NONDIR_REPLACEMENT. func_dirname () { func_dirname_result=`$ECHO "${1}" | $SED "$dirname"` if test "X$func_dirname_result" = "X${1}"; then func_dirname_result="${3}" else func_dirname_result="$func_dirname_result${2}" fi } # func_dirname may be replaced by extended shell implementation # func_basename file func_basename () { func_basename_result=`$ECHO "${1}" | $SED "$basename"` } # func_basename may be replaced by extended shell implementation # func_dirname_and_basename file append nondir_replacement # perform func_basename and func_dirname in a single function # call: # dirname: Compute the dirname of FILE. If nonempty, # add APPEND to the result, otherwise set result # to NONDIR_REPLACEMENT. # value returned in "$func_dirname_result" # basename: Compute filename of FILE. # value retuned in "$func_basename_result" # Implementation must be kept synchronized with func_dirname # and func_basename. For efficiency, we do not delegate to # those functions but instead duplicate the functionality here. func_dirname_and_basename () { # Extract subdirectory from the argument. func_dirname_result=`$ECHO "${1}" | $SED -e "$dirname"` if test "X$func_dirname_result" = "X${1}"; then func_dirname_result="${3}" else func_dirname_result="$func_dirname_result${2}" fi func_basename_result=`$ECHO "${1}" | $SED -e "$basename"` } # func_dirname_and_basename may be replaced by extended shell implementation # func_stripname prefix suffix name # strip PREFIX and SUFFIX off of NAME. # PREFIX and SUFFIX must not contain globbing or regex special # characters, hashes, percent signs, but SUFFIX may contain a leading # dot (in which case that matches only a dot). # func_strip_suffix prefix name func_stripname () { case ${2} in .*) func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%\\\\${2}\$%%"`;; *) func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%${2}\$%%"`;; esac } # func_stripname may be replaced by extended shell implementation # These SED scripts presuppose an absolute path with a trailing slash. pathcar='s,^/\([^/]*\).*$,\1,' pathcdr='s,^/[^/]*,,' removedotparts=':dotsl s@/\./@/@g t dotsl s,/\.$,/,' collapseslashes='s@/\{1,\}@/@g' finalslash='s,/*$,/,' # func_normal_abspath PATH # Remove doubled-up and trailing slashes, "." path components, # and cancel out any ".." path components in PATH after making # it an absolute path. # value returned in "$func_normal_abspath_result" func_normal_abspath () { # Start from root dir and reassemble the path. func_normal_abspath_result= func_normal_abspath_tpath=$1 func_normal_abspath_altnamespace= case $func_normal_abspath_tpath in "") # Empty path, that just means $cwd. func_stripname '' '/' "`pwd`" func_normal_abspath_result=$func_stripname_result return ;; # The next three entries are used to spot a run of precisely # two leading slashes without using negated character classes; # we take advantage of case's first-match behaviour. ///*) # Unusual form of absolute path, do nothing. ;; //*) # Not necessarily an ordinary path; POSIX reserves leading '//' # and for example Cygwin uses it to access remote file shares # over CIFS/SMB, so we conserve a leading double slash if found. func_normal_abspath_altnamespace=/ ;; /*) # Absolute path, do nothing. ;; *) # Relative path, prepend $cwd. func_normal_abspath_tpath=`pwd`/$func_normal_abspath_tpath ;; esac # Cancel out all the simple stuff to save iterations. We also want # the path to end with a slash for ease of parsing, so make sure # there is one (and only one) here. func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \ -e "$removedotparts" -e "$collapseslashes" -e "$finalslash"` while :; do # Processed it all yet? if test "$func_normal_abspath_tpath" = / ; then # If we ascended to the root using ".." the result may be empty now. if test -z "$func_normal_abspath_result" ; then func_normal_abspath_result=/ fi break fi func_normal_abspath_tcomponent=`$ECHO "$func_normal_abspath_tpath" | $SED \ -e "$pathcar"` func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \ -e "$pathcdr"` # Figure out what to do with it case $func_normal_abspath_tcomponent in "") # Trailing empty path component, ignore it. ;; ..) # Parent dir; strip last assembled component from result. func_dirname "$func_normal_abspath_result" func_normal_abspath_result=$func_dirname_result ;; *) # Actual path component, append it. func_normal_abspath_result=$func_normal_abspath_result/$func_normal_abspath_tcomponent ;; esac done # Restore leading double-slash if one was found on entry. func_normal_abspath_result=$func_normal_abspath_altnamespace$func_normal_abspath_result } # func_relative_path SRCDIR DSTDIR # generates a relative path from SRCDIR to DSTDIR, with a trailing # slash if non-empty, suitable for immediately appending a filename # without needing to append a separator. # value returned in "$func_relative_path_result" func_relative_path () { func_relative_path_result= func_normal_abspath "$1" func_relative_path_tlibdir=$func_normal_abspath_result func_normal_abspath "$2" func_relative_path_tbindir=$func_normal_abspath_result # Ascend the tree starting from libdir while :; do # check if we have found a prefix of bindir case $func_relative_path_tbindir in $func_relative_path_tlibdir) # found an exact match func_relative_path_tcancelled= break ;; $func_relative_path_tlibdir*) # found a matching prefix func_stripname "$func_relative_path_tlibdir" '' "$func_relative_path_tbindir" func_relative_path_tcancelled=$func_stripname_result if test -z "$func_relative_path_result"; then func_relative_path_result=. fi break ;; *) func_dirname $func_relative_path_tlibdir func_relative_path_tlibdir=${func_dirname_result} if test "x$func_relative_path_tlibdir" = x ; then # Have to descend all the way to the root! func_relative_path_result=../$func_relative_path_result func_relative_path_tcancelled=$func_relative_path_tbindir break fi func_relative_path_result=../$func_relative_path_result ;; esac done # Now calculate path; take care to avoid doubling-up slashes. func_stripname '' '/' "$func_relative_path_result" func_relative_path_result=$func_stripname_result func_stripname '/' '/' "$func_relative_path_tcancelled" if test "x$func_stripname_result" != x ; then func_relative_path_result=${func_relative_path_result}/${func_stripname_result} fi # Normalisation. If bindir is libdir, return empty string, # else relative path ending with a slash; either way, target # file name can be directly appended. if test ! -z "$func_relative_path_result"; then func_stripname './' '' "$func_relative_path_result/" func_relative_path_result=$func_stripname_result fi } # The name of this program: func_dirname_and_basename "$progpath" progname=$func_basename_result # Make sure we have an absolute path for reexecution: case $progpath in [\\/]*|[A-Za-z]:\\*) ;; *[\\/]*) progdir=$func_dirname_result progdir=`cd "$progdir" && pwd` progpath="$progdir/$progname" ;; *) save_IFS="$IFS" IFS=${PATH_SEPARATOR-:} for progdir in $PATH; do IFS="$save_IFS" test -x "$progdir/$progname" && break done IFS="$save_IFS" test -n "$progdir" || progdir=`pwd` progpath="$progdir/$progname" ;; esac # Sed substitution that helps us do robust quoting. It backslashifies # metacharacters that are still active within double-quoted strings. Xsed="${SED}"' -e 1s/^X//' sed_quote_subst='s/\([`"$\\]\)/\\\1/g' # Same as above, but do not quote variable references. double_quote_subst='s/\(["`\\]\)/\\\1/g' # Sed substitution that turns a string into a regex matching for the # string literally. sed_make_literal_regex='s,[].[^$\\*\/],\\&,g' # Sed substitution that converts a w32 file name or path # which contains forward slashes, into one that contains # (escaped) backslashes. A very naive implementation. lt_sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g' # Re-`\' parameter expansions in output of double_quote_subst that were # `\'-ed in input to the same. If an odd number of `\' preceded a '$' # in input to double_quote_subst, that '$' was protected from expansion. # Since each input `\' is now two `\'s, look for any number of runs of # four `\'s followed by two `\'s and then a '$'. `\' that '$'. bs='\\' bs2='\\\\' bs4='\\\\\\\\' dollar='\$' sed_double_backslash="\ s/$bs4/&\\ /g s/^$bs2$dollar/$bs&/ s/\\([^$bs]\\)$bs2$dollar/\\1$bs2$bs$dollar/g s/\n//g" # Standard options: opt_dry_run=false opt_help=false opt_quiet=false opt_verbose=false opt_warning=: # func_echo arg... # Echo program name prefixed message, along with the current mode # name if it has been set yet. func_echo () { $ECHO "$progname: ${opt_mode+$opt_mode: }$*" } # func_verbose arg... # Echo program name prefixed message in verbose mode only. func_verbose () { $opt_verbose && func_echo ${1+"$@"} # A bug in bash halts the script if the last line of a function # fails when set -e is in force, so we need another command to # work around that: : } # func_echo_all arg... # Invoke $ECHO with all args, space-separated. func_echo_all () { $ECHO "$*" } # func_error arg... # Echo program name prefixed message to standard error. func_error () { $ECHO "$progname: ${opt_mode+$opt_mode: }"${1+"$@"} 1>&2 } # func_warning arg... # Echo program name prefixed warning message to standard error. func_warning () { $opt_warning && $ECHO "$progname: ${opt_mode+$opt_mode: }warning: "${1+"$@"} 1>&2 # bash bug again: : } # func_fatal_error arg... # Echo program name prefixed message to standard error, and exit. func_fatal_error () { func_error ${1+"$@"} exit $EXIT_FAILURE } # func_fatal_help arg... # Echo program name prefixed message to standard error, followed by # a help hint, and exit. func_fatal_help () { func_error ${1+"$@"} func_fatal_error "$help" } help="Try \`$progname --help' for more information." ## default # func_grep expression filename # Check whether EXPRESSION matches any line of FILENAME, without output. func_grep () { $GREP "$1" "$2" >/dev/null 2>&1 } # func_mkdir_p directory-path # Make sure the entire path to DIRECTORY-PATH is available. func_mkdir_p () { my_directory_path="$1" my_dir_list= if test -n "$my_directory_path" && test "$opt_dry_run" != ":"; then # Protect directory names starting with `-' case $my_directory_path in -*) my_directory_path="./$my_directory_path" ;; esac # While some portion of DIR does not yet exist... while test ! -d "$my_directory_path"; do # ...make a list in topmost first order. Use a colon delimited # list incase some portion of path contains whitespace. my_dir_list="$my_directory_path:$my_dir_list" # If the last portion added has no slash in it, the list is done case $my_directory_path in */*) ;; *) break ;; esac # ...otherwise throw away the child directory and loop my_directory_path=`$ECHO "$my_directory_path" | $SED -e "$dirname"` done my_dir_list=`$ECHO "$my_dir_list" | $SED 's,:*$,,'` save_mkdir_p_IFS="$IFS"; IFS=':' for my_dir in $my_dir_list; do IFS="$save_mkdir_p_IFS" # mkdir can fail with a `File exist' error if two processes # try to create one of the directories concurrently. Don't # stop in that case! $MKDIR "$my_dir" 2>/dev/null || : done IFS="$save_mkdir_p_IFS" # Bail out if we (or some other process) failed to create a directory. test -d "$my_directory_path" || \ func_fatal_error "Failed to create \`$1'" fi } # func_mktempdir [string] # Make a temporary directory that won't clash with other running # libtool processes, and avoids race conditions if possible. If # given, STRING is the basename for that directory. func_mktempdir () { my_template="${TMPDIR-/tmp}/${1-$progname}" if test "$opt_dry_run" = ":"; then # Return a directory name, but don't create it in dry-run mode my_tmpdir="${my_template}-$$" else # If mktemp works, use that first and foremost my_tmpdir=`mktemp -d "${my_template}-XXXXXXXX" 2>/dev/null` if test ! -d "$my_tmpdir"; then # Failing that, at least try and use $RANDOM to avoid a race my_tmpdir="${my_template}-${RANDOM-0}$$" save_mktempdir_umask=`umask` umask 0077 $MKDIR "$my_tmpdir" umask $save_mktempdir_umask fi # If we're not in dry-run mode, bomb out on failure test -d "$my_tmpdir" || \ func_fatal_error "cannot create temporary directory \`$my_tmpdir'" fi $ECHO "$my_tmpdir" } # func_quote_for_eval arg # Aesthetically quote ARG to be evaled later. # This function returns two values: FUNC_QUOTE_FOR_EVAL_RESULT # is double-quoted, suitable for a subsequent eval, whereas # FUNC_QUOTE_FOR_EVAL_UNQUOTED_RESULT has merely all characters # which are still active within double quotes backslashified. func_quote_for_eval () { case $1 in *[\\\`\"\$]*) func_quote_for_eval_unquoted_result=`$ECHO "$1" | $SED "$sed_quote_subst"` ;; *) func_quote_for_eval_unquoted_result="$1" ;; esac case $func_quote_for_eval_unquoted_result in # Double-quote args containing shell metacharacters to delay # word splitting, command substitution and and variable # expansion for a subsequent eval. # Many Bourne shells cannot handle close brackets correctly # in scan sets, so we specify it separately. *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") func_quote_for_eval_result="\"$func_quote_for_eval_unquoted_result\"" ;; *) func_quote_for_eval_result="$func_quote_for_eval_unquoted_result" esac } # func_quote_for_expand arg # Aesthetically quote ARG to be evaled later; same as above, # but do not quote variable references. func_quote_for_expand () { case $1 in *[\\\`\"]*) my_arg=`$ECHO "$1" | $SED \ -e "$double_quote_subst" -e "$sed_double_backslash"` ;; *) my_arg="$1" ;; esac case $my_arg in # Double-quote args containing shell metacharacters to delay # word splitting and command substitution for a subsequent eval. # Many Bourne shells cannot handle close brackets correctly # in scan sets, so we specify it separately. *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") my_arg="\"$my_arg\"" ;; esac func_quote_for_expand_result="$my_arg" } # func_show_eval cmd [fail_exp] # Unless opt_silent is true, then output CMD. Then, if opt_dryrun is # not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP # is given, then evaluate it. func_show_eval () { my_cmd="$1" my_fail_exp="${2-:}" ${opt_silent-false} || { func_quote_for_expand "$my_cmd" eval "func_echo $func_quote_for_expand_result" } if ${opt_dry_run-false}; then :; else eval "$my_cmd" my_status=$? if test "$my_status" -eq 0; then :; else eval "(exit $my_status); $my_fail_exp" fi fi } # func_show_eval_locale cmd [fail_exp] # Unless opt_silent is true, then output CMD. Then, if opt_dryrun is # not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP # is given, then evaluate it. Use the saved locale for evaluation. func_show_eval_locale () { my_cmd="$1" my_fail_exp="${2-:}" ${opt_silent-false} || { func_quote_for_expand "$my_cmd" eval "func_echo $func_quote_for_expand_result" } if ${opt_dry_run-false}; then :; else eval "$lt_user_locale $my_cmd" my_status=$? eval "$lt_safe_locale" if test "$my_status" -eq 0; then :; else eval "(exit $my_status); $my_fail_exp" fi fi } # func_tr_sh # Turn $1 into a string suitable for a shell variable name. # Result is stored in $func_tr_sh_result. All characters # not in the set a-zA-Z0-9_ are replaced with '_'. Further, # if $1 begins with a digit, a '_' is prepended as well. func_tr_sh () { case $1 in [0-9]* | *[!a-zA-Z0-9_]*) func_tr_sh_result=`$ECHO "$1" | $SED 's/^\([0-9]\)/_\1/; s/[^a-zA-Z0-9_]/_/g'` ;; * ) func_tr_sh_result=$1 ;; esac } # func_version # Echo version message to standard output and exit. func_version () { $opt_debug $SED -n '/(C)/!b go :more /\./!{ N s/\n# / / b more } :go /^# '$PROGRAM' (GNU /,/# warranty; / { s/^# // s/^# *$// s/\((C)\)[ 0-9,-]*\( [1-9][0-9]*\)/\1\2/ p }' < "$progpath" exit $? } # func_usage # Echo short help message to standard output and exit. func_usage () { $opt_debug $SED -n '/^# Usage:/,/^# *.*--help/ { s/^# // s/^# *$// s/\$progname/'$progname'/ p }' < "$progpath" echo $ECHO "run \`$progname --help | more' for full usage" exit $? } # func_help [NOEXIT] # Echo long help message to standard output and exit, # unless 'noexit' is passed as argument. func_help () { $opt_debug $SED -n '/^# Usage:/,/# Report bugs to/ { :print s/^# // s/^# *$// s*\$progname*'$progname'* s*\$host*'"$host"'* s*\$SHELL*'"$SHELL"'* s*\$LTCC*'"$LTCC"'* s*\$LTCFLAGS*'"$LTCFLAGS"'* s*\$LD*'"$LD"'* s/\$with_gnu_ld/'"$with_gnu_ld"'/ s/\$automake_version/'"`(${AUTOMAKE-automake} --version) 2>/dev/null |$SED 1q`"'/ s/\$autoconf_version/'"`(${AUTOCONF-autoconf} --version) 2>/dev/null |$SED 1q`"'/ p d } /^# .* home page:/b print /^# General help using/b print ' < "$progpath" ret=$? if test -z "$1"; then exit $ret fi } # func_missing_arg argname # Echo program name prefixed message to standard error and set global # exit_cmd. func_missing_arg () { $opt_debug func_error "missing argument for $1." exit_cmd=exit } # func_split_short_opt shortopt # Set func_split_short_opt_name and func_split_short_opt_arg shell # variables after splitting SHORTOPT after the 2nd character. func_split_short_opt () { my_sed_short_opt='1s/^\(..\).*$/\1/;q' my_sed_short_rest='1s/^..\(.*\)$/\1/;q' func_split_short_opt_name=`$ECHO "$1" | $SED "$my_sed_short_opt"` func_split_short_opt_arg=`$ECHO "$1" | $SED "$my_sed_short_rest"` } # func_split_short_opt may be replaced by extended shell implementation # func_split_long_opt longopt # Set func_split_long_opt_name and func_split_long_opt_arg shell # variables after splitting LONGOPT at the `=' sign. func_split_long_opt () { my_sed_long_opt='1s/^\(--[^=]*\)=.*/\1/;q' my_sed_long_arg='1s/^--[^=]*=//' func_split_long_opt_name=`$ECHO "$1" | $SED "$my_sed_long_opt"` func_split_long_opt_arg=`$ECHO "$1" | $SED "$my_sed_long_arg"` } # func_split_long_opt may be replaced by extended shell implementation exit_cmd=: magic="%%%MAGIC variable%%%" magic_exe="%%%MAGIC EXE variable%%%" # Global variables. nonopt= preserve_args= lo2o="s/\\.lo\$/.${objext}/" o2lo="s/\\.${objext}\$/.lo/" extracted_archives= extracted_serial=0 # If this variable is set in any of the actions, the command in it # will be execed at the end. This prevents here-documents from being # left over by shells. exec_cmd= # func_append var value # Append VALUE to the end of shell variable VAR. func_append () { eval "${1}=\$${1}\${2}" } # func_append may be replaced by extended shell implementation # func_append_quoted var value # Quote VALUE and append to the end of shell variable VAR, separated # by a space. func_append_quoted () { func_quote_for_eval "${2}" eval "${1}=\$${1}\\ \$func_quote_for_eval_result" } # func_append_quoted may be replaced by extended shell implementation # func_arith arithmetic-term... func_arith () { func_arith_result=`expr "${@}"` } # func_arith may be replaced by extended shell implementation # func_len string # STRING may not start with a hyphen. func_len () { func_len_result=`expr "${1}" : ".*" 2>/dev/null || echo $max_cmd_len` } # func_len may be replaced by extended shell implementation # func_lo2o object func_lo2o () { func_lo2o_result=`$ECHO "${1}" | $SED "$lo2o"` } # func_lo2o may be replaced by extended shell implementation # func_xform libobj-or-source func_xform () { func_xform_result=`$ECHO "${1}" | $SED 's/\.[^.]*$/.lo/'` } # func_xform may be replaced by extended shell implementation # func_fatal_configuration arg... # Echo program name prefixed message to standard error, followed by # a configuration failure hint, and exit. func_fatal_configuration () { func_error ${1+"$@"} func_error "See the $PACKAGE documentation for more information." func_fatal_error "Fatal configuration error." } # func_config # Display the configuration for all the tags in this script. func_config () { re_begincf='^# ### BEGIN LIBTOOL' re_endcf='^# ### END LIBTOOL' # Default configuration. $SED "1,/$re_begincf CONFIG/d;/$re_endcf CONFIG/,\$d" < "$progpath" # Now print the configurations for the tags. for tagname in $taglist; do $SED -n "/$re_begincf TAG CONFIG: $tagname\$/,/$re_endcf TAG CONFIG: $tagname\$/p" < "$progpath" done exit $? } # func_features # Display the features supported by this script. func_features () { echo "host: $host" if test "$build_libtool_libs" = yes; then echo "enable shared libraries" else echo "disable shared libraries" fi if test "$build_old_libs" = yes; then echo "enable static libraries" else echo "disable static libraries" fi exit $? } # func_enable_tag tagname # Verify that TAGNAME is valid, and either flag an error and exit, or # enable the TAGNAME tag. We also add TAGNAME to the global $taglist # variable here. func_enable_tag () { # Global variable: tagname="$1" re_begincf="^# ### BEGIN LIBTOOL TAG CONFIG: $tagname\$" re_endcf="^# ### END LIBTOOL TAG CONFIG: $tagname\$" sed_extractcf="/$re_begincf/,/$re_endcf/p" # Validate tagname. case $tagname in *[!-_A-Za-z0-9,/]*) func_fatal_error "invalid tag name: $tagname" ;; esac # Don't test for the "default" C tag, as we know it's # there but not specially marked. case $tagname in CC) ;; *) if $GREP "$re_begincf" "$progpath" >/dev/null 2>&1; then taglist="$taglist $tagname" # Evaluate the configuration. Be careful to quote the path # and the sed script, to avoid splitting on whitespace, but # also don't use non-portable quotes within backquotes within # quotes we have to do it in 2 steps: extractedcf=`$SED -n -e "$sed_extractcf" < "$progpath"` eval "$extractedcf" else func_error "ignoring unknown tag $tagname" fi ;; esac } # func_check_version_match # Ensure that we are using m4 macros, and libtool script from the same # release of libtool. func_check_version_match () { if test "$package_revision" != "$macro_revision"; then if test "$VERSION" != "$macro_version"; then if test -z "$macro_version"; then cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, but the $progname: definition of this LT_INIT comes from an older release. $progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION $progname: and run autoconf again. _LT_EOF else cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, but the $progname: definition of this LT_INIT comes from $PACKAGE $macro_version. $progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION $progname: and run autoconf again. _LT_EOF fi else cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, revision $package_revision, $progname: but the definition of this LT_INIT comes from revision $macro_revision. $progname: You should recreate aclocal.m4 with macros from revision $package_revision $progname: of $PACKAGE $VERSION and run autoconf again. _LT_EOF fi exit $EXIT_MISMATCH fi } # Shorthand for --mode=foo, only valid as the first argument case $1 in clean|clea|cle|cl) shift; set dummy --mode clean ${1+"$@"}; shift ;; compile|compil|compi|comp|com|co|c) shift; set dummy --mode compile ${1+"$@"}; shift ;; execute|execut|execu|exec|exe|ex|e) shift; set dummy --mode execute ${1+"$@"}; shift ;; finish|finis|fini|fin|fi|f) shift; set dummy --mode finish ${1+"$@"}; shift ;; install|instal|insta|inst|ins|in|i) shift; set dummy --mode install ${1+"$@"}; shift ;; link|lin|li|l) shift; set dummy --mode link ${1+"$@"}; shift ;; uninstall|uninstal|uninsta|uninst|unins|unin|uni|un|u) shift; set dummy --mode uninstall ${1+"$@"}; shift ;; esac # Option defaults: opt_debug=: opt_dry_run=false opt_config=false opt_preserve_dup_deps=false opt_features=false opt_finish=false opt_help=false opt_help_all=false opt_silent=: opt_warning=: opt_verbose=: opt_silent=false opt_verbose=false # Parse options once, thoroughly. This comes as soon as possible in the # script to make things like `--version' happen as quickly as we can. { # this just eases exit handling while test $# -gt 0; do opt="$1" shift case $opt in --debug|-x) opt_debug='set -x' func_echo "enabling shell trace mode" $opt_debug ;; --dry-run|--dryrun|-n) opt_dry_run=: ;; --config) opt_config=: func_config ;; --dlopen|-dlopen) optarg="$1" opt_dlopen="${opt_dlopen+$opt_dlopen }$optarg" shift ;; --preserve-dup-deps) opt_preserve_dup_deps=: ;; --features) opt_features=: func_features ;; --finish) opt_finish=: set dummy --mode finish ${1+"$@"}; shift ;; --help) opt_help=: ;; --help-all) opt_help_all=: opt_help=': help-all' ;; --mode) test $# = 0 && func_missing_arg $opt && break optarg="$1" opt_mode="$optarg" case $optarg in # Valid mode arguments: clean|compile|execute|finish|install|link|relink|uninstall) ;; # Catch anything else as an error *) func_error "invalid argument for $opt" exit_cmd=exit break ;; esac shift ;; --no-silent|--no-quiet) opt_silent=false func_append preserve_args " $opt" ;; --no-warning|--no-warn) opt_warning=false func_append preserve_args " $opt" ;; --no-verbose) opt_verbose=false func_append preserve_args " $opt" ;; --silent|--quiet) opt_silent=: func_append preserve_args " $opt" opt_verbose=false ;; --verbose|-v) opt_verbose=: func_append preserve_args " $opt" opt_silent=false ;; --tag) test $# = 0 && func_missing_arg $opt && break optarg="$1" opt_tag="$optarg" func_append preserve_args " $opt $optarg" func_enable_tag "$optarg" shift ;; -\?|-h) func_usage ;; --help) func_help ;; --version) func_version ;; # Separate optargs to long options: --*=*) func_split_long_opt "$opt" set dummy "$func_split_long_opt_name" "$func_split_long_opt_arg" ${1+"$@"} shift ;; # Separate non-argument short options: -\?*|-h*|-n*|-v*) func_split_short_opt "$opt" set dummy "$func_split_short_opt_name" "-$func_split_short_opt_arg" ${1+"$@"} shift ;; --) break ;; -*) func_fatal_help "unrecognized option \`$opt'" ;; *) set dummy "$opt" ${1+"$@"}; shift; break ;; esac done # Validate options: # save first non-option argument if test "$#" -gt 0; then nonopt="$opt" shift fi # preserve --debug test "$opt_debug" = : || func_append preserve_args " --debug" case $host in *cygwin* | *mingw* | *pw32* | *cegcc*) # don't eliminate duplications in $postdeps and $predeps opt_duplicate_compiler_generated_deps=: ;; *) opt_duplicate_compiler_generated_deps=$opt_preserve_dup_deps ;; esac $opt_help || { # Sanity checks first: func_check_version_match if test "$build_libtool_libs" != yes && test "$build_old_libs" != yes; then func_fatal_configuration "not configured to build any kind of library" fi # Darwin sucks eval std_shrext=\"$shrext_cmds\" # Only execute mode is allowed to have -dlopen flags. if test -n "$opt_dlopen" && test "$opt_mode" != execute; then func_error "unrecognized option \`-dlopen'" $ECHO "$help" 1>&2 exit $EXIT_FAILURE fi # Change the help message to a mode-specific one. generic_help="$help" help="Try \`$progname --help --mode=$opt_mode' for more information." } # Bail if the options were screwed $exit_cmd $EXIT_FAILURE } ## ----------- ## ## Main. ## ## ----------- ## # func_lalib_p file # True iff FILE is a libtool `.la' library or `.lo' object file. # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_lalib_p () { test -f "$1" && $SED -e 4q "$1" 2>/dev/null \ | $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1 } # func_lalib_unsafe_p file # True iff FILE is a libtool `.la' library or `.lo' object file. # This function implements the same check as func_lalib_p without # resorting to external programs. To this end, it redirects stdin and # closes it afterwards, without saving the original file descriptor. # As a safety measure, use it only where a negative result would be # fatal anyway. Works if `file' does not exist. func_lalib_unsafe_p () { lalib_p=no if test -f "$1" && test -r "$1" && exec 5<&0 <"$1"; then for lalib_p_l in 1 2 3 4 do read lalib_p_line case "$lalib_p_line" in \#\ Generated\ by\ *$PACKAGE* ) lalib_p=yes; break;; esac done exec 0<&5 5<&- fi test "$lalib_p" = yes } # func_ltwrapper_script_p file # True iff FILE is a libtool wrapper script # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_script_p () { func_lalib_p "$1" } # func_ltwrapper_executable_p file # True iff FILE is a libtool wrapper executable # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_executable_p () { func_ltwrapper_exec_suffix= case $1 in *.exe) ;; *) func_ltwrapper_exec_suffix=.exe ;; esac $GREP "$magic_exe" "$1$func_ltwrapper_exec_suffix" >/dev/null 2>&1 } # func_ltwrapper_scriptname file # Assumes file is an ltwrapper_executable # uses $file to determine the appropriate filename for a # temporary ltwrapper_script. func_ltwrapper_scriptname () { func_dirname_and_basename "$1" "" "." func_stripname '' '.exe' "$func_basename_result" func_ltwrapper_scriptname_result="$func_dirname_result/$objdir/${func_stripname_result}_ltshwrapper" } # func_ltwrapper_p file # True iff FILE is a libtool wrapper script or wrapper executable # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_p () { func_ltwrapper_script_p "$1" || func_ltwrapper_executable_p "$1" } # func_execute_cmds commands fail_cmd # Execute tilde-delimited COMMANDS. # If FAIL_CMD is given, eval that upon failure. # FAIL_CMD may read-access the current command in variable CMD! func_execute_cmds () { $opt_debug save_ifs=$IFS; IFS='~' for cmd in $1; do IFS=$save_ifs eval cmd=\"$cmd\" func_show_eval "$cmd" "${2-:}" done IFS=$save_ifs } # func_source file # Source FILE, adding directory component if necessary. # Note that it is not necessary on cygwin/mingw to append a dot to # FILE even if both FILE and FILE.exe exist: automatic-append-.exe # behavior happens only for exec(3), not for open(2)! Also, sourcing # `FILE.' does not work on cygwin managed mounts. func_source () { $opt_debug case $1 in */* | *\\*) . "$1" ;; *) . "./$1" ;; esac } # func_resolve_sysroot PATH # Replace a leading = in PATH with a sysroot. Store the result into # func_resolve_sysroot_result func_resolve_sysroot () { func_resolve_sysroot_result=$1 case $func_resolve_sysroot_result in =*) func_stripname '=' '' "$func_resolve_sysroot_result" func_resolve_sysroot_result=$lt_sysroot$func_stripname_result ;; esac } # func_replace_sysroot PATH # If PATH begins with the sysroot, replace it with = and # store the result into func_replace_sysroot_result. func_replace_sysroot () { case "$lt_sysroot:$1" in ?*:"$lt_sysroot"*) func_stripname "$lt_sysroot" '' "$1" func_replace_sysroot_result="=$func_stripname_result" ;; *) # Including no sysroot. func_replace_sysroot_result=$1 ;; esac } # func_infer_tag arg # Infer tagged configuration to use if any are available and # if one wasn't chosen via the "--tag" command line option. # Only attempt this if the compiler in the base compile # command doesn't match the default compiler. # arg is usually of the form 'gcc ...' func_infer_tag () { $opt_debug if test -n "$available_tags" && test -z "$tagname"; then CC_quoted= for arg in $CC; do func_append_quoted CC_quoted "$arg" done CC_expanded=`func_echo_all $CC` CC_quoted_expanded=`func_echo_all $CC_quoted` case $@ in # Blanks in the command may have been stripped by the calling shell, # but not from the CC environment variable when configure was run. " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) ;; # Blanks at the start of $base_compile will cause this to fail # if we don't check for them as well. *) for z in $available_tags; do if $GREP "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then # Evaluate the configuration. eval "`${SED} -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`" CC_quoted= for arg in $CC; do # Double-quote args containing other shell metacharacters. func_append_quoted CC_quoted "$arg" done CC_expanded=`func_echo_all $CC` CC_quoted_expanded=`func_echo_all $CC_quoted` case "$@ " in " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) # The compiler in the base compile command matches # the one in the tagged configuration. # Assume this is the tagged configuration we want. tagname=$z break ;; esac fi done # If $tagname still isn't set, then no tagged configuration # was found and let the user know that the "--tag" command # line option must be used. if test -z "$tagname"; then func_echo "unable to infer tagged configuration" func_fatal_error "specify a tag with \`--tag'" # else # func_verbose "using $tagname tagged configuration" fi ;; esac fi } # func_write_libtool_object output_name pic_name nonpic_name # Create a libtool object file (analogous to a ".la" file), # but don't create it if we're doing a dry run. func_write_libtool_object () { write_libobj=${1} if test "$build_libtool_libs" = yes; then write_lobj=\'${2}\' else write_lobj=none fi if test "$build_old_libs" = yes; then write_oldobj=\'${3}\' else write_oldobj=none fi $opt_dry_run || { cat >${write_libobj}T </dev/null` if test "$?" -eq 0 && test -n "${func_convert_core_file_wine_to_w32_tmp}"; then func_convert_core_file_wine_to_w32_result=`$ECHO "$func_convert_core_file_wine_to_w32_tmp" | $SED -e "$lt_sed_naive_backslashify"` else func_convert_core_file_wine_to_w32_result= fi fi } # end: func_convert_core_file_wine_to_w32 # func_convert_core_path_wine_to_w32 ARG # Helper function used by path conversion functions when $build is *nix, and # $host is mingw, cygwin, or some other w32 environment. Relies on a correctly # configured wine environment available, with the winepath program in $build's # $PATH. Assumes ARG has no leading or trailing path separator characters. # # ARG is path to be converted from $build format to win32. # Result is available in $func_convert_core_path_wine_to_w32_result. # Unconvertible file (directory) names in ARG are skipped; if no directory names # are convertible, then the result may be empty. func_convert_core_path_wine_to_w32 () { $opt_debug # unfortunately, winepath doesn't convert paths, only file names func_convert_core_path_wine_to_w32_result="" if test -n "$1"; then oldIFS=$IFS IFS=: for func_convert_core_path_wine_to_w32_f in $1; do IFS=$oldIFS func_convert_core_file_wine_to_w32 "$func_convert_core_path_wine_to_w32_f" if test -n "$func_convert_core_file_wine_to_w32_result" ; then if test -z "$func_convert_core_path_wine_to_w32_result"; then func_convert_core_path_wine_to_w32_result="$func_convert_core_file_wine_to_w32_result" else func_append func_convert_core_path_wine_to_w32_result ";$func_convert_core_file_wine_to_w32_result" fi fi done IFS=$oldIFS fi } # end: func_convert_core_path_wine_to_w32 # func_cygpath ARGS... # Wrapper around calling the cygpath program via LT_CYGPATH. This is used when # when (1) $build is *nix and Cygwin is hosted via a wine environment; or (2) # $build is MSYS and $host is Cygwin, or (3) $build is Cygwin. In case (1) or # (2), returns the Cygwin file name or path in func_cygpath_result (input # file name or path is assumed to be in w32 format, as previously converted # from $build's *nix or MSYS format). In case (3), returns the w32 file name # or path in func_cygpath_result (input file name or path is assumed to be in # Cygwin format). Returns an empty string on error. # # ARGS are passed to cygpath, with the last one being the file name or path to # be converted. # # Specify the absolute *nix (or w32) name to cygpath in the LT_CYGPATH # environment variable; do not put it in $PATH. func_cygpath () { $opt_debug if test -n "$LT_CYGPATH" && test -f "$LT_CYGPATH"; then func_cygpath_result=`$LT_CYGPATH "$@" 2>/dev/null` if test "$?" -ne 0; then # on failure, ensure result is empty func_cygpath_result= fi else func_cygpath_result= func_error "LT_CYGPATH is empty or specifies non-existent file: \`$LT_CYGPATH'" fi } #end: func_cygpath # func_convert_core_msys_to_w32 ARG # Convert file name or path ARG from MSYS format to w32 format. Return # result in func_convert_core_msys_to_w32_result. func_convert_core_msys_to_w32 () { $opt_debug # awkward: cmd appends spaces to result func_convert_core_msys_to_w32_result=`( cmd //c echo "$1" ) 2>/dev/null | $SED -e 's/[ ]*$//' -e "$lt_sed_naive_backslashify"` } #end: func_convert_core_msys_to_w32 # func_convert_file_check ARG1 ARG2 # Verify that ARG1 (a file name in $build format) was converted to $host # format in ARG2. Otherwise, emit an error message, but continue (resetting # func_to_host_file_result to ARG1). func_convert_file_check () { $opt_debug if test -z "$2" && test -n "$1" ; then func_error "Could not determine host file name corresponding to" func_error " \`$1'" func_error "Continuing, but uninstalled executables may not work." # Fallback: func_to_host_file_result="$1" fi } # end func_convert_file_check # func_convert_path_check FROM_PATHSEP TO_PATHSEP FROM_PATH TO_PATH # Verify that FROM_PATH (a path in $build format) was converted to $host # format in TO_PATH. Otherwise, emit an error message, but continue, resetting # func_to_host_file_result to a simplistic fallback value (see below). func_convert_path_check () { $opt_debug if test -z "$4" && test -n "$3"; then func_error "Could not determine the host path corresponding to" func_error " \`$3'" func_error "Continuing, but uninstalled executables may not work." # Fallback. This is a deliberately simplistic "conversion" and # should not be "improved". See libtool.info. if test "x$1" != "x$2"; then lt_replace_pathsep_chars="s|$1|$2|g" func_to_host_path_result=`echo "$3" | $SED -e "$lt_replace_pathsep_chars"` else func_to_host_path_result="$3" fi fi } # end func_convert_path_check # func_convert_path_front_back_pathsep FRONTPAT BACKPAT REPL ORIG # Modifies func_to_host_path_result by prepending REPL if ORIG matches FRONTPAT # and appending REPL if ORIG matches BACKPAT. func_convert_path_front_back_pathsep () { $opt_debug case $4 in $1 ) func_to_host_path_result="$3$func_to_host_path_result" ;; esac case $4 in $2 ) func_append func_to_host_path_result "$3" ;; esac } # end func_convert_path_front_back_pathsep ################################################## # $build to $host FILE NAME CONVERSION FUNCTIONS # ################################################## # invoked via `$to_host_file_cmd ARG' # # In each case, ARG is the path to be converted from $build to $host format. # Result will be available in $func_to_host_file_result. # func_to_host_file ARG # Converts the file name ARG from $build format to $host format. Return result # in func_to_host_file_result. func_to_host_file () { $opt_debug $to_host_file_cmd "$1" } # end func_to_host_file # func_to_tool_file ARG LAZY # converts the file name ARG from $build format to toolchain format. Return # result in func_to_tool_file_result. If the conversion in use is listed # in (the comma separated) LAZY, no conversion takes place. func_to_tool_file () { $opt_debug case ,$2, in *,"$to_tool_file_cmd",*) func_to_tool_file_result=$1 ;; *) $to_tool_file_cmd "$1" func_to_tool_file_result=$func_to_host_file_result ;; esac } # end func_to_tool_file # func_convert_file_noop ARG # Copy ARG to func_to_host_file_result. func_convert_file_noop () { func_to_host_file_result="$1" } # end func_convert_file_noop # func_convert_file_msys_to_w32 ARG # Convert file name ARG from (mingw) MSYS to (mingw) w32 format; automatic # conversion to w32 is not available inside the cwrapper. Returns result in # func_to_host_file_result. func_convert_file_msys_to_w32 () { $opt_debug func_to_host_file_result="$1" if test -n "$1"; then func_convert_core_msys_to_w32 "$1" func_to_host_file_result="$func_convert_core_msys_to_w32_result" fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_msys_to_w32 # func_convert_file_cygwin_to_w32 ARG # Convert file name ARG from Cygwin to w32 format. Returns result in # func_to_host_file_result. func_convert_file_cygwin_to_w32 () { $opt_debug func_to_host_file_result="$1" if test -n "$1"; then # because $build is cygwin, we call "the" cygpath in $PATH; no need to use # LT_CYGPATH in this case. func_to_host_file_result=`cygpath -m "$1"` fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_cygwin_to_w32 # func_convert_file_nix_to_w32 ARG # Convert file name ARG from *nix to w32 format. Requires a wine environment # and a working winepath. Returns result in func_to_host_file_result. func_convert_file_nix_to_w32 () { $opt_debug func_to_host_file_result="$1" if test -n "$1"; then func_convert_core_file_wine_to_w32 "$1" func_to_host_file_result="$func_convert_core_file_wine_to_w32_result" fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_nix_to_w32 # func_convert_file_msys_to_cygwin ARG # Convert file name ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. # Returns result in func_to_host_file_result. func_convert_file_msys_to_cygwin () { $opt_debug func_to_host_file_result="$1" if test -n "$1"; then func_convert_core_msys_to_w32 "$1" func_cygpath -u "$func_convert_core_msys_to_w32_result" func_to_host_file_result="$func_cygpath_result" fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_msys_to_cygwin # func_convert_file_nix_to_cygwin ARG # Convert file name ARG from *nix to Cygwin format. Requires Cygwin installed # in a wine environment, working winepath, and LT_CYGPATH set. Returns result # in func_to_host_file_result. func_convert_file_nix_to_cygwin () { $opt_debug func_to_host_file_result="$1" if test -n "$1"; then # convert from *nix to w32, then use cygpath to convert from w32 to cygwin. func_convert_core_file_wine_to_w32 "$1" func_cygpath -u "$func_convert_core_file_wine_to_w32_result" func_to_host_file_result="$func_cygpath_result" fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_nix_to_cygwin ############################################# # $build to $host PATH CONVERSION FUNCTIONS # ############################################# # invoked via `$to_host_path_cmd ARG' # # In each case, ARG is the path to be converted from $build to $host format. # The result will be available in $func_to_host_path_result. # # Path separators are also converted from $build format to $host format. If # ARG begins or ends with a path separator character, it is preserved (but # converted to $host format) on output. # # All path conversion functions are named using the following convention: # file name conversion function : func_convert_file_X_to_Y () # path conversion function : func_convert_path_X_to_Y () # where, for any given $build/$host combination the 'X_to_Y' value is the # same. If conversion functions are added for new $build/$host combinations, # the two new functions must follow this pattern, or func_init_to_host_path_cmd # will break. # func_init_to_host_path_cmd # Ensures that function "pointer" variable $to_host_path_cmd is set to the # appropriate value, based on the value of $to_host_file_cmd. to_host_path_cmd= func_init_to_host_path_cmd () { $opt_debug if test -z "$to_host_path_cmd"; then func_stripname 'func_convert_file_' '' "$to_host_file_cmd" to_host_path_cmd="func_convert_path_${func_stripname_result}" fi } # func_to_host_path ARG # Converts the path ARG from $build format to $host format. Return result # in func_to_host_path_result. func_to_host_path () { $opt_debug func_init_to_host_path_cmd $to_host_path_cmd "$1" } # end func_to_host_path # func_convert_path_noop ARG # Copy ARG to func_to_host_path_result. func_convert_path_noop () { func_to_host_path_result="$1" } # end func_convert_path_noop # func_convert_path_msys_to_w32 ARG # Convert path ARG from (mingw) MSYS to (mingw) w32 format; automatic # conversion to w32 is not available inside the cwrapper. Returns result in # func_to_host_path_result. func_convert_path_msys_to_w32 () { $opt_debug func_to_host_path_result="$1" if test -n "$1"; then # Remove leading and trailing path separator characters from ARG. MSYS # behavior is inconsistent here; cygpath turns them into '.;' and ';.'; # and winepath ignores them completely. func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" func_to_host_path_result="$func_convert_core_msys_to_w32_result" func_convert_path_check : ";" \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" fi } # end func_convert_path_msys_to_w32 # func_convert_path_cygwin_to_w32 ARG # Convert path ARG from Cygwin to w32 format. Returns result in # func_to_host_file_result. func_convert_path_cygwin_to_w32 () { $opt_debug func_to_host_path_result="$1" if test -n "$1"; then # See func_convert_path_msys_to_w32: func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_to_host_path_result=`cygpath -m -p "$func_to_host_path_tmp1"` func_convert_path_check : ";" \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" fi } # end func_convert_path_cygwin_to_w32 # func_convert_path_nix_to_w32 ARG # Convert path ARG from *nix to w32 format. Requires a wine environment and # a working winepath. Returns result in func_to_host_file_result. func_convert_path_nix_to_w32 () { $opt_debug func_to_host_path_result="$1" if test -n "$1"; then # See func_convert_path_msys_to_w32: func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" func_to_host_path_result="$func_convert_core_path_wine_to_w32_result" func_convert_path_check : ";" \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" fi } # end func_convert_path_nix_to_w32 # func_convert_path_msys_to_cygwin ARG # Convert path ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. # Returns result in func_to_host_file_result. func_convert_path_msys_to_cygwin () { $opt_debug func_to_host_path_result="$1" if test -n "$1"; then # See func_convert_path_msys_to_w32: func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" func_cygpath -u -p "$func_convert_core_msys_to_w32_result" func_to_host_path_result="$func_cygpath_result" func_convert_path_check : : \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" : "$1" fi } # end func_convert_path_msys_to_cygwin # func_convert_path_nix_to_cygwin ARG # Convert path ARG from *nix to Cygwin format. Requires Cygwin installed in a # a wine environment, working winepath, and LT_CYGPATH set. Returns result in # func_to_host_file_result. func_convert_path_nix_to_cygwin () { $opt_debug func_to_host_path_result="$1" if test -n "$1"; then # Remove leading and trailing path separator characters from # ARG. msys behavior is inconsistent here, cygpath turns them # into '.;' and ';.', and winepath ignores them completely. func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" func_cygpath -u -p "$func_convert_core_path_wine_to_w32_result" func_to_host_path_result="$func_cygpath_result" func_convert_path_check : : \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" : "$1" fi } # end func_convert_path_nix_to_cygwin # func_mode_compile arg... func_mode_compile () { $opt_debug # Get the compilation command and the source file. base_compile= srcfile="$nonopt" # always keep a non-empty value in "srcfile" suppress_opt=yes suppress_output= arg_mode=normal libobj= later= pie_flag= for arg do case $arg_mode in arg ) # do not "continue". Instead, add this to base_compile lastarg="$arg" arg_mode=normal ;; target ) libobj="$arg" arg_mode=normal continue ;; normal ) # Accept any command-line options. case $arg in -o) test -n "$libobj" && \ func_fatal_error "you cannot specify \`-o' more than once" arg_mode=target continue ;; -pie | -fpie | -fPIE) func_append pie_flag " $arg" continue ;; -shared | -static | -prefer-pic | -prefer-non-pic) func_append later " $arg" continue ;; -no-suppress) suppress_opt=no continue ;; -Xcompiler) arg_mode=arg # the next one goes into the "base_compile" arg list continue # The current "srcfile" will either be retained or ;; # replaced later. I would guess that would be a bug. -Wc,*) func_stripname '-Wc,' '' "$arg" args=$func_stripname_result lastarg= save_ifs="$IFS"; IFS=',' for arg in $args; do IFS="$save_ifs" func_append_quoted lastarg "$arg" done IFS="$save_ifs" func_stripname ' ' '' "$lastarg" lastarg=$func_stripname_result # Add the arguments to base_compile. func_append base_compile " $lastarg" continue ;; *) # Accept the current argument as the source file. # The previous "srcfile" becomes the current argument. # lastarg="$srcfile" srcfile="$arg" ;; esac # case $arg ;; esac # case $arg_mode # Aesthetically quote the previous argument. func_append_quoted base_compile "$lastarg" done # for arg case $arg_mode in arg) func_fatal_error "you must specify an argument for -Xcompile" ;; target) func_fatal_error "you must specify a target with \`-o'" ;; *) # Get the name of the library object. test -z "$libobj" && { func_basename "$srcfile" libobj="$func_basename_result" } ;; esac # Recognize several different file suffixes. # If the user specifies -o file.o, it is replaced with file.lo case $libobj in *.[cCFSifmso] | \ *.ada | *.adb | *.ads | *.asm | \ *.c++ | *.cc | *.ii | *.class | *.cpp | *.cxx | \ *.[fF][09]? | *.for | *.java | *.go | *.obj | *.sx | *.cu | *.cup) func_xform "$libobj" libobj=$func_xform_result ;; esac case $libobj in *.lo) func_lo2o "$libobj"; obj=$func_lo2o_result ;; *) func_fatal_error "cannot determine name of library object from \`$libobj'" ;; esac func_infer_tag $base_compile for arg in $later; do case $arg in -shared) test "$build_libtool_libs" != yes && \ func_fatal_configuration "can not build a shared library" build_old_libs=no continue ;; -static) build_libtool_libs=no build_old_libs=yes continue ;; -prefer-pic) pic_mode=yes continue ;; -prefer-non-pic) pic_mode=no continue ;; esac done func_quote_for_eval "$libobj" test "X$libobj" != "X$func_quote_for_eval_result" \ && $ECHO "X$libobj" | $GREP '[]~#^*{};<>?"'"'"' &()|`$[]' \ && func_warning "libobj name \`$libobj' may not contain shell special characters." func_dirname_and_basename "$obj" "/" "" objname="$func_basename_result" xdir="$func_dirname_result" lobj=${xdir}$objdir/$objname test -z "$base_compile" && \ func_fatal_help "you must specify a compilation command" # Delete any leftover library objects. if test "$build_old_libs" = yes; then removelist="$obj $lobj $libobj ${libobj}T" else removelist="$lobj $libobj ${libobj}T" fi # On Cygwin there's no "real" PIC flag so we must build both object types case $host_os in cygwin* | mingw* | pw32* | os2* | cegcc*) pic_mode=default ;; esac if test "$pic_mode" = no && test "$deplibs_check_method" != pass_all; then # non-PIC code in shared libraries is not supported pic_mode=default fi # Calculate the filename of the output object if compiler does # not support -o with -c if test "$compiler_c_o" = no; then output_obj=`$ECHO "$srcfile" | $SED 's%^.*/%%; s%\.[^.]*$%%'`.${objext} lockfile="$output_obj.lock" else output_obj= need_locks=no lockfile= fi # Lock this critical section if it is needed # We use this script file to make the link, it avoids creating a new file if test "$need_locks" = yes; then until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do func_echo "Waiting for $lockfile to be removed" sleep 2 done elif test "$need_locks" = warn; then if test -f "$lockfile"; then $ECHO "\ *** ERROR, $lockfile exists and contains: `cat $lockfile 2>/dev/null` This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support \`-c' and \`-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi func_append removelist " $output_obj" $ECHO "$srcfile" > "$lockfile" fi $opt_dry_run || $RM $removelist func_append removelist " $lockfile" trap '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' 1 2 15 func_to_tool_file "$srcfile" func_convert_file_msys_to_w32 srcfile=$func_to_tool_file_result func_quote_for_eval "$srcfile" qsrcfile=$func_quote_for_eval_result # Only build a PIC object if we are building libtool libraries. if test "$build_libtool_libs" = yes; then # Without this assignment, base_compile gets emptied. fbsd_hideous_sh_bug=$base_compile if test "$pic_mode" != no; then command="$base_compile $qsrcfile $pic_flag" else # Don't build PIC code command="$base_compile $qsrcfile" fi func_mkdir_p "$xdir$objdir" if test -z "$output_obj"; then # Place PIC objects in $objdir func_append command " -o $lobj" fi func_show_eval_locale "$command" \ 'test -n "$output_obj" && $RM $removelist; exit $EXIT_FAILURE' if test "$need_locks" = warn && test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then $ECHO "\ *** ERROR, $lockfile contains: `cat $lockfile 2>/dev/null` but it should contain: $srcfile This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support \`-c' and \`-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi # Just move the object if needed, then go on to compile the next one if test -n "$output_obj" && test "X$output_obj" != "X$lobj"; then func_show_eval '$MV "$output_obj" "$lobj"' \ 'error=$?; $opt_dry_run || $RM $removelist; exit $error' fi # Allow error messages only from the first compilation. if test "$suppress_opt" = yes; then suppress_output=' >/dev/null 2>&1' fi fi # Only build a position-dependent object if we build old libraries. if test "$build_old_libs" = yes; then if test "$pic_mode" != yes; then # Don't build PIC code command="$base_compile $qsrcfile$pie_flag" else command="$base_compile $qsrcfile $pic_flag" fi if test "$compiler_c_o" = yes; then func_append command " -o $obj" fi # Suppress compiler output if we already did a PIC compilation. func_append command "$suppress_output" func_show_eval_locale "$command" \ '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' if test "$need_locks" = warn && test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then $ECHO "\ *** ERROR, $lockfile contains: `cat $lockfile 2>/dev/null` but it should contain: $srcfile This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support \`-c' and \`-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi # Just move the object if needed if test -n "$output_obj" && test "X$output_obj" != "X$obj"; then func_show_eval '$MV "$output_obj" "$obj"' \ 'error=$?; $opt_dry_run || $RM $removelist; exit $error' fi fi $opt_dry_run || { func_write_libtool_object "$libobj" "$objdir/$objname" "$objname" # Unlock the critical section if it was locked if test "$need_locks" != no; then removelist=$lockfile $RM "$lockfile" fi } exit $EXIT_SUCCESS } $opt_help || { test "$opt_mode" = compile && func_mode_compile ${1+"$@"} } func_mode_help () { # We need to display help for each of the modes. case $opt_mode in "") # Generic help is extracted from the usage comments # at the start of this file. func_help ;; clean) $ECHO \ "Usage: $progname [OPTION]... --mode=clean RM [RM-OPTION]... FILE... Remove files from the build directory. RM is the name of the program to use to delete files associated with each FILE (typically \`/bin/rm'). RM-OPTIONS are options (such as \`-f') to be passed to RM. If FILE is a libtool library, object or program, all the files associated with it are deleted. Otherwise, only FILE itself is deleted using RM." ;; compile) $ECHO \ "Usage: $progname [OPTION]... --mode=compile COMPILE-COMMAND... SOURCEFILE Compile a source file into a libtool library object. This mode accepts the following additional options: -o OUTPUT-FILE set the output file name to OUTPUT-FILE -no-suppress do not suppress compiler output for multiple passes -prefer-pic try to build PIC objects only -prefer-non-pic try to build non-PIC objects only -shared do not build a \`.o' file suitable for static linking -static only build a \`.o' file suitable for static linking -Wc,FLAG pass FLAG directly to the compiler COMPILE-COMMAND is a command to be used in creating a \`standard' object file from the given SOURCEFILE. The output file name is determined by removing the directory component from SOURCEFILE, then substituting the C source code suffix \`.c' with the library object suffix, \`.lo'." ;; execute) $ECHO \ "Usage: $progname [OPTION]... --mode=execute COMMAND [ARGS]... Automatically set library path, then run a program. This mode accepts the following additional options: -dlopen FILE add the directory containing FILE to the library path This mode sets the library path environment variable according to \`-dlopen' flags. If any of the ARGS are libtool executable wrappers, then they are translated into their corresponding uninstalled binary, and any of their required library directories are added to the library path. Then, COMMAND is executed, with ARGS as arguments." ;; finish) $ECHO \ "Usage: $progname [OPTION]... --mode=finish [LIBDIR]... Complete the installation of libtool libraries. Each LIBDIR is a directory that contains libtool libraries. The commands that this mode executes may require superuser privileges. Use the \`--dry-run' option if you just want to see what would be executed." ;; install) $ECHO \ "Usage: $progname [OPTION]... --mode=install INSTALL-COMMAND... Install executables or libraries. INSTALL-COMMAND is the installation command. The first component should be either the \`install' or \`cp' program. The following components of INSTALL-COMMAND are treated specially: -inst-prefix-dir PREFIX-DIR Use PREFIX-DIR as a staging area for installation The rest of the components are interpreted as arguments to that command (only BSD-compatible install options are recognized)." ;; link) $ECHO \ "Usage: $progname [OPTION]... --mode=link LINK-COMMAND... Link object files or libraries together to form another library, or to create an executable program. LINK-COMMAND is a command using the C compiler that you would use to create a program from several object files. The following components of LINK-COMMAND are treated specially: -all-static do not do any dynamic linking at all -avoid-version do not add a version suffix if possible -bindir BINDIR specify path to binaries directory (for systems where libraries must be found in the PATH setting at runtime) -dlopen FILE \`-dlpreopen' FILE if it cannot be dlopened at runtime -dlpreopen FILE link in FILE and add its symbols to lt_preloaded_symbols -export-dynamic allow symbols from OUTPUT-FILE to be resolved with dlsym(3) -export-symbols SYMFILE try to export only the symbols listed in SYMFILE -export-symbols-regex REGEX try to export only the symbols matching REGEX -LLIBDIR search LIBDIR for required installed libraries -lNAME OUTPUT-FILE requires the installed library libNAME -module build a library that can dlopened -no-fast-install disable the fast-install mode -no-install link a not-installable executable -no-undefined declare that a library does not refer to external symbols -o OUTPUT-FILE create OUTPUT-FILE from the specified objects -objectlist FILE Use a list of object files found in FILE to specify objects -precious-files-regex REGEX don't remove output files matching REGEX -release RELEASE specify package release information -rpath LIBDIR the created library will eventually be installed in LIBDIR -R[ ]LIBDIR add LIBDIR to the runtime path of programs and libraries -shared only do dynamic linking of libtool libraries -shrext SUFFIX override the standard shared library file extension -static do not do any dynamic linking of uninstalled libtool libraries -static-libtool-libs do not do any dynamic linking of libtool libraries -version-info CURRENT[:REVISION[:AGE]] specify library version info [each variable defaults to 0] -weak LIBNAME declare that the target provides the LIBNAME interface -Wc,FLAG -Xcompiler FLAG pass linker-specific FLAG directly to the compiler -Wl,FLAG -Xlinker FLAG pass linker-specific FLAG directly to the linker -XCClinker FLAG pass link-specific FLAG to the compiler driver (CC) All other options (arguments beginning with \`-') are ignored. Every other argument is treated as a filename. Files ending in \`.la' are treated as uninstalled libtool libraries, other files are standard or library object files. If the OUTPUT-FILE ends in \`.la', then a libtool library is created, only library objects (\`.lo' files) may be specified, and \`-rpath' is required, except when creating a convenience library. If OUTPUT-FILE ends in \`.a' or \`.lib', then a standard library is created using \`ar' and \`ranlib', or on Windows using \`lib'. If OUTPUT-FILE ends in \`.lo' or \`.${objext}', then a reloadable object file is created, otherwise an executable program is created." ;; uninstall) $ECHO \ "Usage: $progname [OPTION]... --mode=uninstall RM [RM-OPTION]... FILE... Remove libraries from an installation directory. RM is the name of the program to use to delete files associated with each FILE (typically \`/bin/rm'). RM-OPTIONS are options (such as \`-f') to be passed to RM. If FILE is a libtool library, all the files associated with it are deleted. Otherwise, only FILE itself is deleted using RM." ;; *) func_fatal_help "invalid operation mode \`$opt_mode'" ;; esac echo $ECHO "Try \`$progname --help' for more information about other modes." } # Now that we've collected a possible --mode arg, show help if necessary if $opt_help; then if test "$opt_help" = :; then func_mode_help else { func_help noexit for opt_mode in compile link execute install finish uninstall clean; do func_mode_help done } | sed -n '1p; 2,$s/^Usage:/ or: /p' { func_help noexit for opt_mode in compile link execute install finish uninstall clean; do echo func_mode_help done } | sed '1d /^When reporting/,/^Report/{ H d } $x /information about other modes/d /more detailed .*MODE/d s/^Usage:.*--mode=\([^ ]*\) .*/Description of \1 mode:/' fi exit $? fi # func_mode_execute arg... func_mode_execute () { $opt_debug # The first argument is the command name. cmd="$nonopt" test -z "$cmd" && \ func_fatal_help "you must specify a COMMAND" # Handle -dlopen flags immediately. for file in $opt_dlopen; do test -f "$file" \ || func_fatal_help "\`$file' is not a file" dir= case $file in *.la) func_resolve_sysroot "$file" file=$func_resolve_sysroot_result # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$file" \ || func_fatal_help "\`$lib' is not a valid libtool archive" # Read the libtool library. dlname= library_names= func_source "$file" # Skip this library if it cannot be dlopened. if test -z "$dlname"; then # Warn if it was a shared library. test -n "$library_names" && \ func_warning "\`$file' was not linked with \`-export-dynamic'" continue fi func_dirname "$file" "" "." dir="$func_dirname_result" if test -f "$dir/$objdir/$dlname"; then func_append dir "/$objdir" else if test ! -f "$dir/$dlname"; then func_fatal_error "cannot find \`$dlname' in \`$dir' or \`$dir/$objdir'" fi fi ;; *.lo) # Just add the directory containing the .lo file. func_dirname "$file" "" "." dir="$func_dirname_result" ;; *) func_warning "\`-dlopen' is ignored for non-libtool libraries and objects" continue ;; esac # Get the absolute pathname. absdir=`cd "$dir" && pwd` test -n "$absdir" && dir="$absdir" # Now add the directory to shlibpath_var. if eval "test -z \"\$$shlibpath_var\""; then eval "$shlibpath_var=\"\$dir\"" else eval "$shlibpath_var=\"\$dir:\$$shlibpath_var\"" fi done # This variable tells wrapper scripts just to set shlibpath_var # rather than running their programs. libtool_execute_magic="$magic" # Check if any of the arguments is a wrapper script. args= for file do case $file in -* | *.la | *.lo ) ;; *) # Do a test to see if this is really a libtool program. if func_ltwrapper_script_p "$file"; then func_source "$file" # Transform arg to wrapped name. file="$progdir/$program" elif func_ltwrapper_executable_p "$file"; then func_ltwrapper_scriptname "$file" func_source "$func_ltwrapper_scriptname_result" # Transform arg to wrapped name. file="$progdir/$program" fi ;; esac # Quote arguments (to preserve shell metacharacters). func_append_quoted args "$file" done if test "X$opt_dry_run" = Xfalse; then if test -n "$shlibpath_var"; then # Export the shlibpath_var. eval "export $shlibpath_var" fi # Restore saved environment variables for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES do eval "if test \"\${save_$lt_var+set}\" = set; then $lt_var=\$save_$lt_var; export $lt_var else $lt_unset $lt_var fi" done # Now prepare to actually exec the command. exec_cmd="\$cmd$args" else # Display what would be done. if test -n "$shlibpath_var"; then eval "\$ECHO \"\$shlibpath_var=\$$shlibpath_var\"" echo "export $shlibpath_var" fi $ECHO "$cmd$args" exit $EXIT_SUCCESS fi } test "$opt_mode" = execute && func_mode_execute ${1+"$@"} # func_mode_finish arg... func_mode_finish () { $opt_debug libs= libdirs= admincmds= for opt in "$nonopt" ${1+"$@"} do if test -d "$opt"; then func_append libdirs " $opt" elif test -f "$opt"; then if func_lalib_unsafe_p "$opt"; then func_append libs " $opt" else func_warning "\`$opt' is not a valid libtool archive" fi else func_fatal_error "invalid argument \`$opt'" fi done if test -n "$libs"; then if test -n "$lt_sysroot"; then sysroot_regex=`$ECHO "$lt_sysroot" | $SED "$sed_make_literal_regex"` sysroot_cmd="s/\([ ']\)$sysroot_regex/\1/g;" else sysroot_cmd= fi # Remove sysroot references if $opt_dry_run; then for lib in $libs; do echo "removing references to $lt_sysroot and \`=' prefixes from $lib" done else tmpdir=`func_mktempdir` for lib in $libs; do sed -e "${sysroot_cmd} s/\([ ']-[LR]\)=/\1/g; s/\([ ']\)=/\1/g" $lib \ > $tmpdir/tmp-la mv -f $tmpdir/tmp-la $lib done ${RM}r "$tmpdir" fi fi if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then for libdir in $libdirs; do if test -n "$finish_cmds"; then # Do each command in the finish commands. func_execute_cmds "$finish_cmds" 'admincmds="$admincmds '"$cmd"'"' fi if test -n "$finish_eval"; then # Do the single finish_eval. eval cmds=\"$finish_eval\" $opt_dry_run || eval "$cmds" || func_append admincmds " $cmds" fi done fi # Exit here if they wanted silent mode. $opt_silent && exit $EXIT_SUCCESS if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then echo "----------------------------------------------------------------------" echo "Libraries have been installed in:" for libdir in $libdirs; do $ECHO " $libdir" done echo echo "If you ever happen to want to link against installed libraries" echo "in a given directory, LIBDIR, you must either use libtool, and" echo "specify the full pathname of the library, or use the \`-LLIBDIR'" echo "flag during linking and do at least one of the following:" if test -n "$shlibpath_var"; then echo " - add LIBDIR to the \`$shlibpath_var' environment variable" echo " during execution" fi if test -n "$runpath_var"; then echo " - add LIBDIR to the \`$runpath_var' environment variable" echo " during linking" fi if test -n "$hardcode_libdir_flag_spec"; then libdir=LIBDIR eval flag=\"$hardcode_libdir_flag_spec\" $ECHO " - use the \`$flag' linker flag" fi if test -n "$admincmds"; then $ECHO " - have your system administrator run these commands:$admincmds" fi if test -f /etc/ld.so.conf; then echo " - have your system administrator add LIBDIR to \`/etc/ld.so.conf'" fi echo echo "See any operating system documentation about shared libraries for" case $host in solaris2.[6789]|solaris2.1[0-9]) echo "more information, such as the ld(1), crle(1) and ld.so(8) manual" echo "pages." ;; *) echo "more information, such as the ld(1) and ld.so(8) manual pages." ;; esac echo "----------------------------------------------------------------------" fi exit $EXIT_SUCCESS } test "$opt_mode" = finish && func_mode_finish ${1+"$@"} # func_mode_install arg... func_mode_install () { $opt_debug # There may be an optional sh(1) argument at the beginning of # install_prog (especially on Windows NT). if test "$nonopt" = "$SHELL" || test "$nonopt" = /bin/sh || # Allow the use of GNU shtool's install command. case $nonopt in *shtool*) :;; *) false;; esac; then # Aesthetically quote it. func_quote_for_eval "$nonopt" install_prog="$func_quote_for_eval_result " arg=$1 shift else install_prog= arg=$nonopt fi # The real first argument should be the name of the installation program. # Aesthetically quote it. func_quote_for_eval "$arg" func_append install_prog "$func_quote_for_eval_result" install_shared_prog=$install_prog case " $install_prog " in *[\\\ /]cp\ *) install_cp=: ;; *) install_cp=false ;; esac # We need to accept at least all the BSD install flags. dest= files= opts= prev= install_type= isdir=no stripme= no_mode=: for arg do arg2= if test -n "$dest"; then func_append files " $dest" dest=$arg continue fi case $arg in -d) isdir=yes ;; -f) if $install_cp; then :; else prev=$arg fi ;; -g | -m | -o) prev=$arg ;; -s) stripme=" -s" continue ;; -*) ;; *) # If the previous option needed an argument, then skip it. if test -n "$prev"; then if test "x$prev" = x-m && test -n "$install_override_mode"; then arg2=$install_override_mode no_mode=false fi prev= else dest=$arg continue fi ;; esac # Aesthetically quote the argument. func_quote_for_eval "$arg" func_append install_prog " $func_quote_for_eval_result" if test -n "$arg2"; then func_quote_for_eval "$arg2" fi func_append install_shared_prog " $func_quote_for_eval_result" done test -z "$install_prog" && \ func_fatal_help "you must specify an install program" test -n "$prev" && \ func_fatal_help "the \`$prev' option requires an argument" if test -n "$install_override_mode" && $no_mode; then if $install_cp; then :; else func_quote_for_eval "$install_override_mode" func_append install_shared_prog " -m $func_quote_for_eval_result" fi fi if test -z "$files"; then if test -z "$dest"; then func_fatal_help "no file or destination specified" else func_fatal_help "you must specify a destination" fi fi # Strip any trailing slash from the destination. func_stripname '' '/' "$dest" dest=$func_stripname_result # Check to see that the destination is a directory. test -d "$dest" && isdir=yes if test "$isdir" = yes; then destdir="$dest" destname= else func_dirname_and_basename "$dest" "" "." destdir="$func_dirname_result" destname="$func_basename_result" # Not a directory, so check to see that there is only one file specified. set dummy $files; shift test "$#" -gt 1 && \ func_fatal_help "\`$dest' is not a directory" fi case $destdir in [\\/]* | [A-Za-z]:[\\/]*) ;; *) for file in $files; do case $file in *.lo) ;; *) func_fatal_help "\`$destdir' must be an absolute directory name" ;; esac done ;; esac # This variable tells wrapper scripts just to set variables rather # than running their programs. libtool_install_magic="$magic" staticlibs= future_libdirs= current_libdirs= for file in $files; do # Do each installation. case $file in *.$libext) # Do the static libraries later. func_append staticlibs " $file" ;; *.la) func_resolve_sysroot "$file" file=$func_resolve_sysroot_result # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$file" \ || func_fatal_help "\`$file' is not a valid libtool archive" library_names= old_library= relink_command= func_source "$file" # Add the libdir to current_libdirs if it is the destination. if test "X$destdir" = "X$libdir"; then case "$current_libdirs " in *" $libdir "*) ;; *) func_append current_libdirs " $libdir" ;; esac else # Note the libdir as a future libdir. case "$future_libdirs " in *" $libdir "*) ;; *) func_append future_libdirs " $libdir" ;; esac fi func_dirname "$file" "/" "" dir="$func_dirname_result" func_append dir "$objdir" if test -n "$relink_command"; then # Determine the prefix the user has applied to our future dir. inst_prefix_dir=`$ECHO "$destdir" | $SED -e "s%$libdir\$%%"` # Don't allow the user to place us outside of our expected # location b/c this prevents finding dependent libraries that # are installed to the same prefix. # At present, this check doesn't affect windows .dll's that # are installed into $libdir/../bin (currently, that works fine) # but it's something to keep an eye on. test "$inst_prefix_dir" = "$destdir" && \ func_fatal_error "error: cannot install \`$file' to a directory not ending in $libdir" if test -n "$inst_prefix_dir"; then # Stick the inst_prefix_dir data into the link command. relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%"` else relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%%"` fi func_warning "relinking \`$file'" func_show_eval "$relink_command" \ 'func_fatal_error "error: relink \`$file'\'' with the above command before installing it"' fi # See the names of the shared library. set dummy $library_names; shift if test -n "$1"; then realname="$1" shift srcname="$realname" test -n "$relink_command" && srcname="$realname"T # Install the shared library and build the symlinks. func_show_eval "$install_shared_prog $dir/$srcname $destdir/$realname" \ 'exit $?' tstripme="$stripme" case $host_os in cygwin* | mingw* | pw32* | cegcc*) case $realname in *.dll.a) tstripme="" ;; esac ;; esac if test -n "$tstripme" && test -n "$striplib"; then func_show_eval "$striplib $destdir/$realname" 'exit $?' fi if test "$#" -gt 0; then # Delete the old symlinks, and create new ones. # Try `ln -sf' first, because the `ln' binary might depend on # the symlink we replace! Solaris /bin/ln does not understand -f, # so we also need to try rm && ln -s. for linkname do test "$linkname" != "$realname" \ && func_show_eval "(cd $destdir && { $LN_S -f $realname $linkname || { $RM $linkname && $LN_S $realname $linkname; }; })" done fi # Do each command in the postinstall commands. lib="$destdir/$realname" func_execute_cmds "$postinstall_cmds" 'exit $?' fi # Install the pseudo-library for information purposes. func_basename "$file" name="$func_basename_result" instname="$dir/$name"i func_show_eval "$install_prog $instname $destdir/$name" 'exit $?' # Maybe install the static library, too. test -n "$old_library" && func_append staticlibs " $dir/$old_library" ;; *.lo) # Install (i.e. copy) a libtool object. # Figure out destination file name, if it wasn't already specified. if test -n "$destname"; then destfile="$destdir/$destname" else func_basename "$file" destfile="$func_basename_result" destfile="$destdir/$destfile" fi # Deduce the name of the destination old-style object file. case $destfile in *.lo) func_lo2o "$destfile" staticdest=$func_lo2o_result ;; *.$objext) staticdest="$destfile" destfile= ;; *) func_fatal_help "cannot copy a libtool object to \`$destfile'" ;; esac # Install the libtool object if requested. test -n "$destfile" && \ func_show_eval "$install_prog $file $destfile" 'exit $?' # Install the old object if enabled. if test "$build_old_libs" = yes; then # Deduce the name of the old-style object file. func_lo2o "$file" staticobj=$func_lo2o_result func_show_eval "$install_prog \$staticobj \$staticdest" 'exit $?' fi exit $EXIT_SUCCESS ;; *) # Figure out destination file name, if it wasn't already specified. if test -n "$destname"; then destfile="$destdir/$destname" else func_basename "$file" destfile="$func_basename_result" destfile="$destdir/$destfile" fi # If the file is missing, and there is a .exe on the end, strip it # because it is most likely a libtool script we actually want to # install stripped_ext="" case $file in *.exe) if test ! -f "$file"; then func_stripname '' '.exe' "$file" file=$func_stripname_result stripped_ext=".exe" fi ;; esac # Do a test to see if this is really a libtool program. case $host in *cygwin* | *mingw*) if func_ltwrapper_executable_p "$file"; then func_ltwrapper_scriptname "$file" wrapper=$func_ltwrapper_scriptname_result else func_stripname '' '.exe' "$file" wrapper=$func_stripname_result fi ;; *) wrapper=$file ;; esac if func_ltwrapper_script_p "$wrapper"; then notinst_deplibs= relink_command= func_source "$wrapper" # Check the variables that should have been set. test -z "$generated_by_libtool_version" && \ func_fatal_error "invalid libtool wrapper script \`$wrapper'" finalize=yes for lib in $notinst_deplibs; do # Check to see that each library is installed. libdir= if test -f "$lib"; then func_source "$lib" fi libfile="$libdir/"`$ECHO "$lib" | $SED 's%^.*/%%g'` ### testsuite: skip nested quoting test if test -n "$libdir" && test ! -f "$libfile"; then func_warning "\`$lib' has not been installed in \`$libdir'" finalize=no fi done relink_command= func_source "$wrapper" outputname= if test "$fast_install" = no && test -n "$relink_command"; then $opt_dry_run || { if test "$finalize" = yes; then tmpdir=`func_mktempdir` func_basename "$file$stripped_ext" file="$func_basename_result" outputname="$tmpdir/$file" # Replace the output file specification. relink_command=`$ECHO "$relink_command" | $SED 's%@OUTPUT@%'"$outputname"'%g'` $opt_silent || { func_quote_for_expand "$relink_command" eval "func_echo $func_quote_for_expand_result" } if eval "$relink_command"; then : else func_error "error: relink \`$file' with the above command before installing it" $opt_dry_run || ${RM}r "$tmpdir" continue fi file="$outputname" else func_warning "cannot relink \`$file'" fi } else # Install the binary that we compiled earlier. file=`$ECHO "$file$stripped_ext" | $SED "s%\([^/]*\)$%$objdir/\1%"` fi fi # remove .exe since cygwin /usr/bin/install will append another # one anyway case $install_prog,$host in */usr/bin/install*,*cygwin*) case $file:$destfile in *.exe:*.exe) # this is ok ;; *.exe:*) destfile=$destfile.exe ;; *:*.exe) func_stripname '' '.exe' "$destfile" destfile=$func_stripname_result ;; esac ;; esac func_show_eval "$install_prog\$stripme \$file \$destfile" 'exit $?' $opt_dry_run || if test -n "$outputname"; then ${RM}r "$tmpdir" fi ;; esac done for file in $staticlibs; do func_basename "$file" name="$func_basename_result" # Set up the ranlib parameters. oldlib="$destdir/$name" func_to_tool_file "$oldlib" func_convert_file_msys_to_w32 tool_oldlib=$func_to_tool_file_result func_show_eval "$install_prog \$file \$oldlib" 'exit $?' if test -n "$stripme" && test -n "$old_striplib"; then func_show_eval "$old_striplib $tool_oldlib" 'exit $?' fi # Do each command in the postinstall commands. func_execute_cmds "$old_postinstall_cmds" 'exit $?' done test -n "$future_libdirs" && \ func_warning "remember to run \`$progname --finish$future_libdirs'" if test -n "$current_libdirs"; then # Maybe just do a dry run. $opt_dry_run && current_libdirs=" -n$current_libdirs" exec_cmd='$SHELL $progpath $preserve_args --finish$current_libdirs' else exit $EXIT_SUCCESS fi } test "$opt_mode" = install && func_mode_install ${1+"$@"} # func_generate_dlsyms outputname originator pic_p # Extract symbols from dlprefiles and create ${outputname}S.o with # a dlpreopen symbol table. func_generate_dlsyms () { $opt_debug my_outputname="$1" my_originator="$2" my_pic_p="${3-no}" my_prefix=`$ECHO "$my_originator" | sed 's%[^a-zA-Z0-9]%_%g'` my_dlsyms= if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then if test -n "$NM" && test -n "$global_symbol_pipe"; then my_dlsyms="${my_outputname}S.c" else func_error "not configured to extract global symbols from dlpreopened files" fi fi if test -n "$my_dlsyms"; then case $my_dlsyms in "") ;; *.c) # Discover the nlist of each of the dlfiles. nlist="$output_objdir/${my_outputname}.nm" func_show_eval "$RM $nlist ${nlist}S ${nlist}T" # Parse the name list into a source file. func_verbose "creating $output_objdir/$my_dlsyms" $opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\ /* $my_dlsyms - symbol resolution table for \`$my_outputname' dlsym emulation. */ /* Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION */ #ifdef __cplusplus extern \"C\" { #endif #if defined(__GNUC__) && (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4)) || (__GNUC__ > 4)) #pragma GCC diagnostic ignored \"-Wstrict-prototypes\" #endif /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE) /* DATA imports from DLLs on WIN32 con't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT_DLSYM_CONST #elif defined(__osf__) /* This system does not cope well with relocations in const data. */ # define LT_DLSYM_CONST #else # define LT_DLSYM_CONST const #endif /* External symbol declarations for the compiler. */\ " if test "$dlself" = yes; then func_verbose "generating symbol list for \`$output'" $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist" # Add our own program objects to the symbol list. progfiles=`$ECHO "$objs$old_deplibs" | $SP2NL | $SED "$lo2o" | $NL2SP` for progfile in $progfiles; do func_to_tool_file "$progfile" func_convert_file_msys_to_w32 func_verbose "extracting global C symbols from \`$func_to_tool_file_result'" $opt_dry_run || eval "$NM $func_to_tool_file_result | $global_symbol_pipe >> '$nlist'" done if test -n "$exclude_expsyms"; then $opt_dry_run || { eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' } fi if test -n "$export_symbols_regex"; then $opt_dry_run || { eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' } fi # Prepare the list of exported symbols if test -z "$export_symbols"; then export_symbols="$output_objdir/$outputname.exp" $opt_dry_run || { $RM $export_symbols eval "${SED} -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"' case $host in *cygwin* | *mingw* | *cegcc* ) eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"' ;; esac } else $opt_dry_run || { eval "${SED} -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"' eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' case $host in *cygwin* | *mingw* | *cegcc* ) eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' eval 'cat "$nlist" >> "$output_objdir/$outputname.def"' ;; esac } fi fi for dlprefile in $dlprefiles; do func_verbose "extracting global C symbols from \`$dlprefile'" func_basename "$dlprefile" name="$func_basename_result" case $host in *cygwin* | *mingw* | *cegcc* ) # if an import library, we need to obtain dlname if func_win32_import_lib_p "$dlprefile"; then func_tr_sh "$dlprefile" eval "curr_lafile=\$libfile_$func_tr_sh_result" dlprefile_dlbasename="" if test -n "$curr_lafile" && func_lalib_p "$curr_lafile"; then # Use subshell, to avoid clobbering current variable values dlprefile_dlname=`source "$curr_lafile" && echo "$dlname"` if test -n "$dlprefile_dlname" ; then func_basename "$dlprefile_dlname" dlprefile_dlbasename="$func_basename_result" else # no lafile. user explicitly requested -dlpreopen . $sharedlib_from_linklib_cmd "$dlprefile" dlprefile_dlbasename=$sharedlib_from_linklib_result fi fi $opt_dry_run || { if test -n "$dlprefile_dlbasename" ; then eval '$ECHO ": $dlprefile_dlbasename" >> "$nlist"' else func_warning "Could not compute DLL name from $name" eval '$ECHO ": $name " >> "$nlist"' fi func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe | $SED -e '/I __imp/d' -e 's/I __nm_/D /;s/_nm__//' >> '$nlist'" } else # not an import lib $opt_dry_run || { eval '$ECHO ": $name " >> "$nlist"' func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" } fi ;; *) $opt_dry_run || { eval '$ECHO ": $name " >> "$nlist"' func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" } ;; esac done $opt_dry_run || { # Make sure we have at least an empty file. test -f "$nlist" || : > "$nlist" if test -n "$exclude_expsyms"; then $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T $MV "$nlist"T "$nlist" fi # Try sorting and uniquifying the output. if $GREP -v "^: " < "$nlist" | if sort -k 3 /dev/null 2>&1; then sort -k 3 else sort +2 fi | uniq > "$nlist"S; then : else $GREP -v "^: " < "$nlist" > "$nlist"S fi if test -f "$nlist"S; then eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$my_dlsyms"' else echo '/* NONE */' >> "$output_objdir/$my_dlsyms" fi echo >> "$output_objdir/$my_dlsyms" "\ /* The mapping between symbol names and symbols. */ typedef struct { const char *name; void *address; } lt_dlsymlist; extern LT_DLSYM_CONST lt_dlsymlist lt_${my_prefix}_LTX_preloaded_symbols[]; LT_DLSYM_CONST lt_dlsymlist lt_${my_prefix}_LTX_preloaded_symbols[] = {\ { \"$my_originator\", (void *) 0 }," case $need_lib_prefix in no) eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms" ;; *) eval "$global_symbol_to_c_name_address_lib_prefix" < "$nlist" >> "$output_objdir/$my_dlsyms" ;; esac echo >> "$output_objdir/$my_dlsyms" "\ {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt_${my_prefix}_LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif\ " } # !$opt_dry_run pic_flag_for_symtable= case "$compile_command " in *" -static "*) ;; *) case $host in # compiling the symbol table file with pic_flag works around # a FreeBSD bug that causes programs to crash when -lm is # linked before any other PIC object. But we must not use # pic_flag when linking with -static. The problem exists in # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1. *-*-freebsd2.*|*-*-freebsd3.0*|*-*-freebsdelf3.0*) pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;; *-*-hpux*) pic_flag_for_symtable=" $pic_flag" ;; *) if test "X$my_pic_p" != Xno; then pic_flag_for_symtable=" $pic_flag" fi ;; esac ;; esac symtab_cflags= for arg in $LTCFLAGS; do case $arg in -pie | -fpie | -fPIE) ;; *) func_append symtab_cflags " $arg" ;; esac done # Now compile the dynamic symbol file. func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?' # Clean up the generated files. func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T"' # Transform the symbol file into the correct name. symfileobj="$output_objdir/${my_outputname}S.$objext" case $host in *cygwin* | *mingw* | *cegcc* ) if test -f "$output_objdir/$my_outputname.def"; then compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` else compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` fi ;; *) compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` ;; esac ;; *) func_fatal_error "unknown suffix for \`$my_dlsyms'" ;; esac else # We keep going just in case the user didn't refer to # lt_preloaded_symbols. The linker will fail if global_symbol_pipe # really was required. # Nullify the symbol file. compile_command=`$ECHO "$compile_command" | $SED "s% @SYMFILE@%%"` finalize_command=`$ECHO "$finalize_command" | $SED "s% @SYMFILE@%%"` fi } # func_win32_libid arg # return the library type of file 'arg' # # Need a lot of goo to handle *both* DLLs and import libs # Has to be a shell function in order to 'eat' the argument # that is supplied when $file_magic_command is called. # Despite the name, also deal with 64 bit binaries. func_win32_libid () { $opt_debug win32_libid_type="unknown" win32_fileres=`file -L $1 2>/dev/null` case $win32_fileres in *ar\ archive\ import\ library*) # definitely import win32_libid_type="x86 archive import" ;; *ar\ archive*) # could be an import, or static # Keep the egrep pattern in sync with the one in _LT_CHECK_MAGIC_METHOD. if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null | $EGREP 'file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' >/dev/null; then func_to_tool_file "$1" func_convert_file_msys_to_w32 win32_nmres=`eval $NM -f posix -A \"$func_to_tool_file_result\" | $SED -n -e ' 1,100{ / I /{ s,.*,import, p q } }'` case $win32_nmres in import*) win32_libid_type="x86 archive import";; *) win32_libid_type="x86 archive static";; esac fi ;; *DLL*) win32_libid_type="x86 DLL" ;; *executable*) # but shell scripts are "executable" too... case $win32_fileres in *MS\ Windows\ PE\ Intel*) win32_libid_type="x86 DLL" ;; esac ;; esac $ECHO "$win32_libid_type" } # func_cygming_dll_for_implib ARG # # Platform-specific function to extract the # name of the DLL associated with the specified # import library ARG. # Invoked by eval'ing the libtool variable # $sharedlib_from_linklib_cmd # Result is available in the variable # $sharedlib_from_linklib_result func_cygming_dll_for_implib () { $opt_debug sharedlib_from_linklib_result=`$DLLTOOL --identify-strict --identify "$1"` } # func_cygming_dll_for_implib_fallback_core SECTION_NAME LIBNAMEs # # The is the core of a fallback implementation of a # platform-specific function to extract the name of the # DLL associated with the specified import library LIBNAME. # # SECTION_NAME is either .idata$6 or .idata$7, depending # on the platform and compiler that created the implib. # # Echos the name of the DLL associated with the # specified import library. func_cygming_dll_for_implib_fallback_core () { $opt_debug match_literal=`$ECHO "$1" | $SED "$sed_make_literal_regex"` $OBJDUMP -s --section "$1" "$2" 2>/dev/null | $SED '/^Contents of section '"$match_literal"':/{ # Place marker at beginning of archive member dllname section s/.*/====MARK====/ p d } # These lines can sometimes be longer than 43 characters, but # are always uninteresting /:[ ]*file format pe[i]\{,1\}-/d /^In archive [^:]*:/d # Ensure marker is printed /^====MARK====/p # Remove all lines with less than 43 characters /^.\{43\}/!d # From remaining lines, remove first 43 characters s/^.\{43\}//' | $SED -n ' # Join marker and all lines until next marker into a single line /^====MARK====/ b para H $ b para b :para x s/\n//g # Remove the marker s/^====MARK====// # Remove trailing dots and whitespace s/[\. \t]*$// # Print /./p' | # we now have a list, one entry per line, of the stringified # contents of the appropriate section of all members of the # archive which possess that section. Heuristic: eliminate # all those which have a first or second character that is # a '.' (that is, objdump's representation of an unprintable # character.) This should work for all archives with less than # 0x302f exports -- but will fail for DLLs whose name actually # begins with a literal '.' or a single character followed by # a '.'. # # Of those that remain, print the first one. $SED -e '/^\./d;/^.\./d;q' } # func_cygming_gnu_implib_p ARG # This predicate returns with zero status (TRUE) if # ARG is a GNU/binutils-style import library. Returns # with nonzero status (FALSE) otherwise. func_cygming_gnu_implib_p () { $opt_debug func_to_tool_file "$1" func_convert_file_msys_to_w32 func_cygming_gnu_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $EGREP ' (_head_[A-Za-z0-9_]+_[ad]l*|[A-Za-z0-9_]+_[ad]l*_iname)$'` test -n "$func_cygming_gnu_implib_tmp" } # func_cygming_ms_implib_p ARG # This predicate returns with zero status (TRUE) if # ARG is an MS-style import library. Returns # with nonzero status (FALSE) otherwise. func_cygming_ms_implib_p () { $opt_debug func_to_tool_file "$1" func_convert_file_msys_to_w32 func_cygming_ms_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $GREP '_NULL_IMPORT_DESCRIPTOR'` test -n "$func_cygming_ms_implib_tmp" } # func_cygming_dll_for_implib_fallback ARG # Platform-specific function to extract the # name of the DLL associated with the specified # import library ARG. # # This fallback implementation is for use when $DLLTOOL # does not support the --identify-strict option. # Invoked by eval'ing the libtool variable # $sharedlib_from_linklib_cmd # Result is available in the variable # $sharedlib_from_linklib_result func_cygming_dll_for_implib_fallback () { $opt_debug if func_cygming_gnu_implib_p "$1" ; then # binutils import library sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$7' "$1"` elif func_cygming_ms_implib_p "$1" ; then # ms-generated import library sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$6' "$1"` else # unknown sharedlib_from_linklib_result="" fi } # func_extract_an_archive dir oldlib func_extract_an_archive () { $opt_debug f_ex_an_ar_dir="$1"; shift f_ex_an_ar_oldlib="$1" if test "$lock_old_archive_extraction" = yes; then lockfile=$f_ex_an_ar_oldlib.lock until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do func_echo "Waiting for $lockfile to be removed" sleep 2 done fi func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" \ 'stat=$?; rm -f "$lockfile"; exit $stat' if test "$lock_old_archive_extraction" = yes; then $opt_dry_run || rm -f "$lockfile" fi if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then : else func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib" fi } # func_extract_archives gentop oldlib ... func_extract_archives () { $opt_debug my_gentop="$1"; shift my_oldlibs=${1+"$@"} my_oldobjs="" my_xlib="" my_xabs="" my_xdir="" for my_xlib in $my_oldlibs; do # Extract the objects. case $my_xlib in [\\/]* | [A-Za-z]:[\\/]*) my_xabs="$my_xlib" ;; *) my_xabs=`pwd`"/$my_xlib" ;; esac func_basename "$my_xlib" my_xlib="$func_basename_result" my_xlib_u=$my_xlib while :; do case " $extracted_archives " in *" $my_xlib_u "*) func_arith $extracted_serial + 1 extracted_serial=$func_arith_result my_xlib_u=lt$extracted_serial-$my_xlib ;; *) break ;; esac done extracted_archives="$extracted_archives $my_xlib_u" my_xdir="$my_gentop/$my_xlib_u" func_mkdir_p "$my_xdir" case $host in *-darwin*) func_verbose "Extracting $my_xabs" # Do not bother doing anything if just a dry run $opt_dry_run || { darwin_orig_dir=`pwd` cd $my_xdir || exit $? darwin_archive=$my_xabs darwin_curdir=`pwd` darwin_base_archive=`basename "$darwin_archive"` darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true` if test -n "$darwin_arches"; then darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'` darwin_arch= func_verbose "$darwin_base_archive has multiple architectures $darwin_arches" for darwin_arch in $darwin_arches ; do func_mkdir_p "unfat-$$/${darwin_base_archive}-${darwin_arch}" $LIPO -thin $darwin_arch -output "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" "${darwin_archive}" cd "unfat-$$/${darwin_base_archive}-${darwin_arch}" func_extract_an_archive "`pwd`" "${darwin_base_archive}" cd "$darwin_curdir" $RM "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" done # $darwin_arches ## Okay now we've a bunch of thin objects, gotta fatten them up :) darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$basename" | sort -u` darwin_file= darwin_files= for darwin_file in $darwin_filelist; do darwin_files=`find unfat-$$ -name $darwin_file -print | sort | $NL2SP` $LIPO -create -output "$darwin_file" $darwin_files done # $darwin_filelist $RM -rf unfat-$$ cd "$darwin_orig_dir" else cd $darwin_orig_dir func_extract_an_archive "$my_xdir" "$my_xabs" fi # $darwin_arches } # !$opt_dry_run ;; *) func_extract_an_archive "$my_xdir" "$my_xabs" ;; esac my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | sort | $NL2SP` done func_extract_archives_result="$my_oldobjs" } # func_emit_wrapper [arg=no] # # Emit a libtool wrapper script on stdout. # Don't directly open a file because we may want to # incorporate the script contents within a cygwin/mingw # wrapper executable. Must ONLY be called from within # func_mode_link because it depends on a number of variables # set therein. # # ARG is the value that the WRAPPER_SCRIPT_BELONGS_IN_OBJDIR # variable will take. If 'yes', then the emitted script # will assume that the directory in which it is stored is # the $objdir directory. This is a cygwin/mingw-specific # behavior. func_emit_wrapper () { func_emit_wrapper_arg1=${1-no} $ECHO "\ #! $SHELL # $output - temporary wrapper script for $objdir/$outputname # Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION # # The $output program cannot be directly executed until all the libtool # libraries that it depends on are installed. # # This wrapper script should never be moved out of the build directory. # If it is, it will not operate correctly. # Sed substitution that helps us do robust quoting. It backslashifies # metacharacters that are still active within double-quoted strings. sed_quote_subst='$sed_quote_subst' # Be Bourne compatible if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then emulate sh NULLCMD=: # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which # is contrary to our usage. Disable this feature. alias -g '\${1+\"\$@\"}'='\"\$@\"' setopt NO_GLOB_SUBST else case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac fi BIN_SH=xpg4; export BIN_SH # for Tru64 DUALCASE=1; export DUALCASE # for MKS sh # The HP-UX ksh and POSIX shell print the target directory to stdout # if CDPATH is set. (unset CDPATH) >/dev/null 2>&1 && unset CDPATH relink_command=\"$relink_command\" # This environment variable determines our operation mode. if test \"\$libtool_install_magic\" = \"$magic\"; then # install mode needs the following variables: generated_by_libtool_version='$macro_version' notinst_deplibs='$notinst_deplibs' else # When we are sourced in execute mode, \$file and \$ECHO are already set. if test \"\$libtool_execute_magic\" != \"$magic\"; then file=\"\$0\"" qECHO=`$ECHO "$ECHO" | $SED "$sed_quote_subst"` $ECHO "\ # A function that is used when there is no print builtin or printf. func_fallback_echo () { eval 'cat <<_LTECHO_EOF \$1 _LTECHO_EOF' } ECHO=\"$qECHO\" fi # Very basic option parsing. These options are (a) specific to # the libtool wrapper, (b) are identical between the wrapper # /script/ and the wrapper /executable/ which is used only on # windows platforms, and (c) all begin with the string "--lt-" # (application programs are unlikely to have options which match # this pattern). # # There are only two supported options: --lt-debug and # --lt-dump-script. There is, deliberately, no --lt-help. # # The first argument to this parsing function should be the # script's $0 value, followed by "$@". lt_option_debug= func_parse_lt_options () { lt_script_arg0=\$0 shift for lt_opt do case \"\$lt_opt\" in --lt-debug) lt_option_debug=1 ;; --lt-dump-script) lt_dump_D=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%/[^/]*$%%'\` test \"X\$lt_dump_D\" = \"X\$lt_script_arg0\" && lt_dump_D=. lt_dump_F=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%^.*/%%'\` cat \"\$lt_dump_D/\$lt_dump_F\" exit 0 ;; --lt-*) \$ECHO \"Unrecognized --lt- option: '\$lt_opt'\" 1>&2 exit 1 ;; esac done # Print the debug banner immediately: if test -n \"\$lt_option_debug\"; then echo \"${outputname}:${output}:\${LINENO}: libtool wrapper (GNU $PACKAGE$TIMESTAMP) $VERSION\" 1>&2 fi } # Used when --lt-debug. Prints its arguments to stdout # (redirection is the responsibility of the caller) func_lt_dump_args () { lt_dump_args_N=1; for lt_arg do \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[\$lt_dump_args_N]: \$lt_arg\" lt_dump_args_N=\`expr \$lt_dump_args_N + 1\` done } # Core function for launching the target application func_exec_program_core () { " case $host in # Backslashes separate directories on plain windows *-*-mingw | *-*-os2* | *-cegcc*) $ECHO "\ if test -n \"\$lt_option_debug\"; then \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[0]: \$progdir\\\\\$program\" 1>&2 func_lt_dump_args \${1+\"\$@\"} 1>&2 fi exec \"\$progdir\\\\\$program\" \${1+\"\$@\"} " ;; *) $ECHO "\ if test -n \"\$lt_option_debug\"; then \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[0]: \$progdir/\$program\" 1>&2 func_lt_dump_args \${1+\"\$@\"} 1>&2 fi exec \"\$progdir/\$program\" \${1+\"\$@\"} " ;; esac $ECHO "\ \$ECHO \"\$0: cannot exec \$program \$*\" 1>&2 exit 1 } # A function to encapsulate launching the target application # Strips options in the --lt-* namespace from \$@ and # launches target application with the remaining arguments. func_exec_program () { case \" \$* \" in *\\ --lt-*) for lt_wr_arg do case \$lt_wr_arg in --lt-*) ;; *) set x \"\$@\" \"\$lt_wr_arg\"; shift;; esac shift done ;; esac func_exec_program_core \${1+\"\$@\"} } # Parse options func_parse_lt_options \"\$0\" \${1+\"\$@\"} # Find the directory that this script lives in. thisdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*$%%'\` test \"x\$thisdir\" = \"x\$file\" && thisdir=. # Follow symbolic links until we get to the real thisdir. file=\`ls -ld \"\$file\" | $SED -n 's/.*-> //p'\` while test -n \"\$file\"; do destdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*\$%%'\` # If there was a directory component, then change thisdir. if test \"x\$destdir\" != \"x\$file\"; then case \"\$destdir\" in [\\\\/]* | [A-Za-z]:[\\\\/]*) thisdir=\"\$destdir\" ;; *) thisdir=\"\$thisdir/\$destdir\" ;; esac fi file=\`\$ECHO \"\$file\" | $SED 's%^.*/%%'\` file=\`ls -ld \"\$thisdir/\$file\" | $SED -n 's/.*-> //p'\` done # Usually 'no', except on cygwin/mingw when embedded into # the cwrapper. WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=$func_emit_wrapper_arg1 if test \"\$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR\" = \"yes\"; then # special case for '.' if test \"\$thisdir\" = \".\"; then thisdir=\`pwd\` fi # remove .libs from thisdir case \"\$thisdir\" in *[\\\\/]$objdir ) thisdir=\`\$ECHO \"\$thisdir\" | $SED 's%[\\\\/][^\\\\/]*$%%'\` ;; $objdir ) thisdir=. ;; esac fi # Try to get the absolute directory name. absdir=\`cd \"\$thisdir\" && pwd\` test -n \"\$absdir\" && thisdir=\"\$absdir\" " if test "$fast_install" = yes; then $ECHO "\ program=lt-'$outputname'$exeext progdir=\"\$thisdir/$objdir\" if test ! -f \"\$progdir/\$program\" || { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | ${SED} 1q\`; \\ test \"X\$file\" != \"X\$progdir/\$program\"; }; then file=\"\$\$-\$program\" if test ! -d \"\$progdir\"; then $MKDIR \"\$progdir\" else $RM \"\$progdir/\$file\" fi" $ECHO "\ # relink executable if necessary if test -n \"\$relink_command\"; then if relink_command_output=\`eval \$relink_command 2>&1\`; then : else $ECHO \"\$relink_command_output\" >&2 $RM \"\$progdir/\$file\" exit 1 fi fi $MV \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null || { $RM \"\$progdir/\$program\"; $MV \"\$progdir/\$file\" \"\$progdir/\$program\"; } $RM \"\$progdir/\$file\" fi" else $ECHO "\ program='$outputname' progdir=\"\$thisdir/$objdir\" " fi $ECHO "\ if test -f \"\$progdir/\$program\"; then" # fixup the dll searchpath if we need to. # # Fix the DLL searchpath if we need to. Do this before prepending # to shlibpath, because on Windows, both are PATH and uninstalled # libraries must come first. if test -n "$dllsearchpath"; then $ECHO "\ # Add the dll search path components to the executable PATH PATH=$dllsearchpath:\$PATH " fi # Export our shlibpath_var if we have one. if test "$shlibpath_overrides_runpath" = yes && test -n "$shlibpath_var" && test -n "$temp_rpath"; then $ECHO "\ # Add our own library path to $shlibpath_var $shlibpath_var=\"$temp_rpath\$$shlibpath_var\" # Some systems cannot cope with colon-terminated $shlibpath_var # The second colon is a workaround for a bug in BeOS R4 sed $shlibpath_var=\`\$ECHO \"\$$shlibpath_var\" | $SED 's/::*\$//'\` export $shlibpath_var " fi $ECHO "\ if test \"\$libtool_execute_magic\" != \"$magic\"; then # Run the actual program with our arguments. func_exec_program \${1+\"\$@\"} fi else # The program doesn't exist. \$ECHO \"\$0: error: \\\`\$progdir/\$program' does not exist\" 1>&2 \$ECHO \"This script is just a wrapper for \$program.\" 1>&2 \$ECHO \"See the $PACKAGE documentation for more information.\" 1>&2 exit 1 fi fi\ " } # func_emit_cwrapperexe_src # emit the source code for a wrapper executable on stdout # Must ONLY be called from within func_mode_link because # it depends on a number of variable set therein. func_emit_cwrapperexe_src () { cat < #include #ifdef _MSC_VER # include # include # include #else # include # include # ifdef __CYGWIN__ # include # endif #endif #include #include #include #include #include #include #include #include /* declarations of non-ANSI functions */ #if defined(__MINGW32__) # ifdef __STRICT_ANSI__ int _putenv (const char *); # endif #elif defined(__CYGWIN__) # ifdef __STRICT_ANSI__ char *realpath (const char *, char *); int putenv (char *); int setenv (const char *, const char *, int); # endif /* #elif defined (other platforms) ... */ #endif /* portability defines, excluding path handling macros */ #if defined(_MSC_VER) # define setmode _setmode # define stat _stat # define chmod _chmod # define getcwd _getcwd # define putenv _putenv # define S_IXUSR _S_IEXEC # ifndef _INTPTR_T_DEFINED # define _INTPTR_T_DEFINED # define intptr_t int # endif #elif defined(__MINGW32__) # define setmode _setmode # define stat _stat # define chmod _chmod # define getcwd _getcwd # define putenv _putenv #elif defined(__CYGWIN__) # define HAVE_SETENV # define FOPEN_WB "wb" /* #elif defined (other platforms) ... */ #endif #if defined(PATH_MAX) # define LT_PATHMAX PATH_MAX #elif defined(MAXPATHLEN) # define LT_PATHMAX MAXPATHLEN #else # define LT_PATHMAX 1024 #endif #ifndef S_IXOTH # define S_IXOTH 0 #endif #ifndef S_IXGRP # define S_IXGRP 0 #endif /* path handling portability macros */ #ifndef DIR_SEPARATOR # define DIR_SEPARATOR '/' # define PATH_SEPARATOR ':' #endif #if defined (_WIN32) || defined (__MSDOS__) || defined (__DJGPP__) || \ defined (__OS2__) # define HAVE_DOS_BASED_FILE_SYSTEM # define FOPEN_WB "wb" # ifndef DIR_SEPARATOR_2 # define DIR_SEPARATOR_2 '\\' # endif # ifndef PATH_SEPARATOR_2 # define PATH_SEPARATOR_2 ';' # endif #endif #ifndef DIR_SEPARATOR_2 # define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR) #else /* DIR_SEPARATOR_2 */ # define IS_DIR_SEPARATOR(ch) \ (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2)) #endif /* DIR_SEPARATOR_2 */ #ifndef PATH_SEPARATOR_2 # define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR) #else /* PATH_SEPARATOR_2 */ # define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2) #endif /* PATH_SEPARATOR_2 */ #ifndef FOPEN_WB # define FOPEN_WB "w" #endif #ifndef _O_BINARY # define _O_BINARY 0 #endif #define XMALLOC(type, num) ((type *) xmalloc ((num) * sizeof(type))) #define XFREE(stale) do { \ if (stale) { free ((void *) stale); stale = 0; } \ } while (0) #if defined(LT_DEBUGWRAPPER) static int lt_debug = 1; #else static int lt_debug = 0; #endif const char *program_name = "libtool-wrapper"; /* in case xstrdup fails */ void *xmalloc (size_t num); char *xstrdup (const char *string); const char *base_name (const char *name); char *find_executable (const char *wrapper); char *chase_symlinks (const char *pathspec); int make_executable (const char *path); int check_executable (const char *path); char *strendzap (char *str, const char *pat); void lt_debugprintf (const char *file, int line, const char *fmt, ...); void lt_fatal (const char *file, int line, const char *message, ...); static const char *nonnull (const char *s); static const char *nonempty (const char *s); void lt_setenv (const char *name, const char *value); char *lt_extend_str (const char *orig_value, const char *add, int to_end); void lt_update_exe_path (const char *name, const char *value); void lt_update_lib_path (const char *name, const char *value); char **prepare_spawn (char **argv); void lt_dump_script (FILE *f); EOF cat <= 0) && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))) return 1; else return 0; } int make_executable (const char *path) { int rval = 0; struct stat st; lt_debugprintf (__FILE__, __LINE__, "(make_executable): %s\n", nonempty (path)); if ((!path) || (!*path)) return 0; if (stat (path, &st) >= 0) { rval = chmod (path, st.st_mode | S_IXOTH | S_IXGRP | S_IXUSR); } return rval; } /* Searches for the full path of the wrapper. Returns newly allocated full path name if found, NULL otherwise Does not chase symlinks, even on platforms that support them. */ char * find_executable (const char *wrapper) { int has_slash = 0; const char *p; const char *p_next; /* static buffer for getcwd */ char tmp[LT_PATHMAX + 1]; int tmp_len; char *concat_name; lt_debugprintf (__FILE__, __LINE__, "(find_executable): %s\n", nonempty (wrapper)); if ((wrapper == NULL) || (*wrapper == '\0')) return NULL; /* Absolute path? */ #if defined (HAVE_DOS_BASED_FILE_SYSTEM) if (isalpha ((unsigned char) wrapper[0]) && wrapper[1] == ':') { concat_name = xstrdup (wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } else { #endif if (IS_DIR_SEPARATOR (wrapper[0])) { concat_name = xstrdup (wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } #if defined (HAVE_DOS_BASED_FILE_SYSTEM) } #endif for (p = wrapper; *p; p++) if (*p == '/') { has_slash = 1; break; } if (!has_slash) { /* no slashes; search PATH */ const char *path = getenv ("PATH"); if (path != NULL) { for (p = path; *p; p = p_next) { const char *q; size_t p_len; for (q = p; *q; q++) if (IS_PATH_SEPARATOR (*q)) break; p_len = q - p; p_next = (*q == '\0' ? q : q + 1); if (p_len == 0) { /* empty path: current directory */ if (getcwd (tmp, LT_PATHMAX) == NULL) lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", nonnull (strerror (errno))); tmp_len = strlen (tmp); concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, tmp, tmp_len); concat_name[tmp_len] = '/'; strcpy (concat_name + tmp_len + 1, wrapper); } else { concat_name = XMALLOC (char, p_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, p, p_len); concat_name[p_len] = '/'; strcpy (concat_name + p_len + 1, wrapper); } if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } } /* not found in PATH; assume curdir */ } /* Relative path | not found in path: prepend cwd */ if (getcwd (tmp, LT_PATHMAX) == NULL) lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", nonnull (strerror (errno))); tmp_len = strlen (tmp); concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, tmp, tmp_len); concat_name[tmp_len] = '/'; strcpy (concat_name + tmp_len + 1, wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); return NULL; } char * chase_symlinks (const char *pathspec) { #ifndef S_ISLNK return xstrdup (pathspec); #else char buf[LT_PATHMAX]; struct stat s; char *tmp_pathspec = xstrdup (pathspec); char *p; int has_symlinks = 0; while (strlen (tmp_pathspec) && !has_symlinks) { lt_debugprintf (__FILE__, __LINE__, "checking path component for symlinks: %s\n", tmp_pathspec); if (lstat (tmp_pathspec, &s) == 0) { if (S_ISLNK (s.st_mode) != 0) { has_symlinks = 1; break; } /* search backwards for last DIR_SEPARATOR */ p = tmp_pathspec + strlen (tmp_pathspec) - 1; while ((p > tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) p--; if ((p == tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) { /* no more DIR_SEPARATORS left */ break; } *p = '\0'; } else { lt_fatal (__FILE__, __LINE__, "error accessing file \"%s\": %s", tmp_pathspec, nonnull (strerror (errno))); } } XFREE (tmp_pathspec); if (!has_symlinks) { return xstrdup (pathspec); } tmp_pathspec = realpath (pathspec, buf); if (tmp_pathspec == 0) { lt_fatal (__FILE__, __LINE__, "could not follow symlinks for %s", pathspec); } return xstrdup (tmp_pathspec); #endif } char * strendzap (char *str, const char *pat) { size_t len, patlen; assert (str != NULL); assert (pat != NULL); len = strlen (str); patlen = strlen (pat); if (patlen <= len) { str += len - patlen; if (strcmp (str, pat) == 0) *str = '\0'; } return str; } void lt_debugprintf (const char *file, int line, const char *fmt, ...) { va_list args; if (lt_debug) { (void) fprintf (stderr, "%s:%s:%d: ", program_name, file, line); va_start (args, fmt); (void) vfprintf (stderr, fmt, args); va_end (args); } } static void lt_error_core (int exit_status, const char *file, int line, const char *mode, const char *message, va_list ap) { fprintf (stderr, "%s:%s:%d: %s: ", program_name, file, line, mode); vfprintf (stderr, message, ap); fprintf (stderr, ".\n"); if (exit_status >= 0) exit (exit_status); } void lt_fatal (const char *file, int line, const char *message, ...) { va_list ap; va_start (ap, message); lt_error_core (EXIT_FAILURE, file, line, "FATAL", message, ap); va_end (ap); } static const char * nonnull (const char *s) { return s ? s : "(null)"; } static const char * nonempty (const char *s) { return (s && !*s) ? "(empty)" : nonnull (s); } void lt_setenv (const char *name, const char *value) { lt_debugprintf (__FILE__, __LINE__, "(lt_setenv) setting '%s' to '%s'\n", nonnull (name), nonnull (value)); { #ifdef HAVE_SETENV /* always make a copy, for consistency with !HAVE_SETENV */ char *str = xstrdup (value); setenv (name, str, 1); #else int len = strlen (name) + 1 + strlen (value) + 1; char *str = XMALLOC (char, len); sprintf (str, "%s=%s", name, value); if (putenv (str) != EXIT_SUCCESS) { XFREE (str); } #endif } } char * lt_extend_str (const char *orig_value, const char *add, int to_end) { char *new_value; if (orig_value && *orig_value) { int orig_value_len = strlen (orig_value); int add_len = strlen (add); new_value = XMALLOC (char, add_len + orig_value_len + 1); if (to_end) { strcpy (new_value, orig_value); strcpy (new_value + orig_value_len, add); } else { strcpy (new_value, add); strcpy (new_value + add_len, orig_value); } } else { new_value = xstrdup (add); } return new_value; } void lt_update_exe_path (const char *name, const char *value) { lt_debugprintf (__FILE__, __LINE__, "(lt_update_exe_path) modifying '%s' by prepending '%s'\n", nonnull (name), nonnull (value)); if (name && *name && value && *value) { char *new_value = lt_extend_str (getenv (name), value, 0); /* some systems can't cope with a ':'-terminated path #' */ int len = strlen (new_value); while (((len = strlen (new_value)) > 0) && IS_PATH_SEPARATOR (new_value[len-1])) { new_value[len-1] = '\0'; } lt_setenv (name, new_value); XFREE (new_value); } } void lt_update_lib_path (const char *name, const char *value) { lt_debugprintf (__FILE__, __LINE__, "(lt_update_lib_path) modifying '%s' by prepending '%s'\n", nonnull (name), nonnull (value)); if (name && *name && value && *value) { char *new_value = lt_extend_str (getenv (name), value, 0); lt_setenv (name, new_value); XFREE (new_value); } } EOF case $host_os in mingw*) cat <<"EOF" /* Prepares an argument vector before calling spawn(). Note that spawn() does not by itself call the command interpreter (getenv ("COMSPEC") != NULL ? getenv ("COMSPEC") : ({ OSVERSIONINFO v; v.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); GetVersionEx(&v); v.dwPlatformId == VER_PLATFORM_WIN32_NT; }) ? "cmd.exe" : "command.com"). Instead it simply concatenates the arguments, separated by ' ', and calls CreateProcess(). We must quote the arguments since Win32 CreateProcess() interprets characters like ' ', '\t', '\\', '"' (but not '<' and '>') in a special way: - Space and tab are interpreted as delimiters. They are not treated as delimiters if they are surrounded by double quotes: "...". - Unescaped double quotes are removed from the input. Their only effect is that within double quotes, space and tab are treated like normal characters. - Backslashes not followed by double quotes are not special. - But 2*n+1 backslashes followed by a double quote become n backslashes followed by a double quote (n >= 0): \" -> " \\\" -> \" \\\\\" -> \\" */ #define SHELL_SPECIAL_CHARS "\"\\ \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" #define SHELL_SPACE_CHARS " \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" char ** prepare_spawn (char **argv) { size_t argc; char **new_argv; size_t i; /* Count number of arguments. */ for (argc = 0; argv[argc] != NULL; argc++) ; /* Allocate new argument vector. */ new_argv = XMALLOC (char *, argc + 1); /* Put quoted arguments into the new argument vector. */ for (i = 0; i < argc; i++) { const char *string = argv[i]; if (string[0] == '\0') new_argv[i] = xstrdup ("\"\""); else if (strpbrk (string, SHELL_SPECIAL_CHARS) != NULL) { int quote_around = (strpbrk (string, SHELL_SPACE_CHARS) != NULL); size_t length; unsigned int backslashes; const char *s; char *quoted_string; char *p; length = 0; backslashes = 0; if (quote_around) length++; for (s = string; *s != '\0'; s++) { char c = *s; if (c == '"') length += backslashes + 1; length++; if (c == '\\') backslashes++; else backslashes = 0; } if (quote_around) length += backslashes + 1; quoted_string = XMALLOC (char, length + 1); p = quoted_string; backslashes = 0; if (quote_around) *p++ = '"'; for (s = string; *s != '\0'; s++) { char c = *s; if (c == '"') { unsigned int j; for (j = backslashes + 1; j > 0; j--) *p++ = '\\'; } *p++ = c; if (c == '\\') backslashes++; else backslashes = 0; } if (quote_around) { unsigned int j; for (j = backslashes; j > 0; j--) *p++ = '\\'; *p++ = '"'; } *p = '\0'; new_argv[i] = quoted_string; } else new_argv[i] = (char *) string; } new_argv[argc] = NULL; return new_argv; } EOF ;; esac cat <<"EOF" void lt_dump_script (FILE* f) { EOF func_emit_wrapper yes | $SED -n -e ' s/^\(.\{79\}\)\(..*\)/\1\ \2/ h s/\([\\"]\)/\\\1/g s/$/\\n/ s/\([^\n]*\).*/ fputs ("\1", f);/p g D' cat <<"EOF" } EOF } # end: func_emit_cwrapperexe_src # func_win32_import_lib_p ARG # True if ARG is an import lib, as indicated by $file_magic_cmd func_win32_import_lib_p () { $opt_debug case `eval $file_magic_cmd \"\$1\" 2>/dev/null | $SED -e 10q` in *import*) : ;; *) false ;; esac } # func_mode_link arg... func_mode_link () { $opt_debug case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) # It is impossible to link a dll without this setting, and # we shouldn't force the makefile maintainer to figure out # which system we are compiling for in order to pass an extra # flag for every libtool invocation. # allow_undefined=no # FIXME: Unfortunately, there are problems with the above when trying # to make a dll which has undefined symbols, in which case not # even a static library is built. For now, we need to specify # -no-undefined on the libtool link line when we can be certain # that all symbols are satisfied, otherwise we get a static library. allow_undefined=yes ;; *) allow_undefined=yes ;; esac libtool_args=$nonopt base_compile="$nonopt $@" compile_command=$nonopt finalize_command=$nonopt compile_rpath= finalize_rpath= compile_shlibpath= finalize_shlibpath= convenience= old_convenience= deplibs= old_deplibs= compiler_flags= linker_flags= dllsearchpath= lib_search_path=`pwd` inst_prefix_dir= new_inherited_linker_flags= avoid_version=no bindir= dlfiles= dlprefiles= dlself=no export_dynamic=no export_symbols= export_symbols_regex= generated= libobjs= ltlibs= module=no no_install=no objs= non_pic_objects= precious_files_regex= prefer_static_libs=no preload=no prev= prevarg= release= rpath= xrpath= perm_rpath= temp_rpath= thread_safe=no vinfo= vinfo_number=no weak_libs= single_module="${wl}-single_module" func_infer_tag $base_compile # We need to know -static, to get the right output filenames. for arg do case $arg in -shared) test "$build_libtool_libs" != yes && \ func_fatal_configuration "can not build a shared library" build_old_libs=no break ;; -all-static | -static | -static-libtool-libs) case $arg in -all-static) if test "$build_libtool_libs" = yes && test -z "$link_static_flag"; then func_warning "complete static linking is impossible in this configuration" fi if test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=yes ;; -static) if test -z "$pic_flag" && test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=built ;; -static-libtool-libs) if test -z "$pic_flag" && test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=yes ;; esac build_libtool_libs=no build_old_libs=yes break ;; esac done # See if our shared archives depend on static archives. test -n "$old_archive_from_new_cmds" && build_old_libs=yes # Go through the arguments, transforming them on the way. while test "$#" -gt 0; do arg="$1" shift func_quote_for_eval "$arg" qarg=$func_quote_for_eval_unquoted_result func_append libtool_args " $func_quote_for_eval_result" # If the previous option needs an argument, assign it. if test -n "$prev"; then case $prev in output) func_append compile_command " @OUTPUT@" func_append finalize_command " @OUTPUT@" ;; esac case $prev in bindir) bindir="$arg" prev= continue ;; dlfiles|dlprefiles) if test "$preload" = no; then # Add the symbol object into the linking commands. func_append compile_command " @SYMFILE@" func_append finalize_command " @SYMFILE@" preload=yes fi case $arg in *.la | *.lo) ;; # We handle these cases below. force) if test "$dlself" = no; then dlself=needless export_dynamic=yes fi prev= continue ;; self) if test "$prev" = dlprefiles; then dlself=yes elif test "$prev" = dlfiles && test "$dlopen_self" != yes; then dlself=yes else dlself=needless export_dynamic=yes fi prev= continue ;; *) if test "$prev" = dlfiles; then func_append dlfiles " $arg" else func_append dlprefiles " $arg" fi prev= continue ;; esac ;; expsyms) export_symbols="$arg" test -f "$arg" \ || func_fatal_error "symbol file \`$arg' does not exist" prev= continue ;; expsyms_regex) export_symbols_regex="$arg" prev= continue ;; framework) case $host in *-*-darwin*) case "$deplibs " in *" $qarg.ltframework "*) ;; *) func_append deplibs " $qarg.ltframework" # this is fixed later ;; esac ;; esac prev= continue ;; inst_prefix) inst_prefix_dir="$arg" prev= continue ;; objectlist) if test -f "$arg"; then save_arg=$arg moreargs= for fil in `cat "$save_arg"` do # func_append moreargs " $fil" arg=$fil # A libtool-controlled object. # Check to see that this really is a libtool object. if func_lalib_unsafe_p "$arg"; then pic_object= non_pic_object= # Read the .lo file func_source "$arg" if test -z "$pic_object" || test -z "$non_pic_object" || test "$pic_object" = none && test "$non_pic_object" = none; then func_fatal_error "cannot find name of object for \`$arg'" fi # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir="$func_dirname_result" if test "$pic_object" != none; then # Prepend the subdirectory the object is found in. pic_object="$xdir$pic_object" if test "$prev" = dlfiles; then if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then func_append dlfiles " $pic_object" prev= continue else # If libtool objects are unsupported, then we need to preload. prev=dlprefiles fi fi # CHECK ME: I think I busted this. -Ossama if test "$prev" = dlprefiles; then # Preload the old-style object. func_append dlprefiles " $pic_object" prev= fi # A PIC object. func_append libobjs " $pic_object" arg="$pic_object" fi # Non-PIC object. if test "$non_pic_object" != none; then # Prepend the subdirectory the object is found in. non_pic_object="$xdir$non_pic_object" # A standard non-PIC object func_append non_pic_objects " $non_pic_object" if test -z "$pic_object" || test "$pic_object" = none ; then arg="$non_pic_object" fi else # If the PIC object exists, use it instead. # $xdir was prepended to $pic_object above. non_pic_object="$pic_object" func_append non_pic_objects " $non_pic_object" fi else # Only an error if not doing a dry-run. if $opt_dry_run; then # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir="$func_dirname_result" func_lo2o "$arg" pic_object=$xdir$objdir/$func_lo2o_result non_pic_object=$xdir$func_lo2o_result func_append libobjs " $pic_object" func_append non_pic_objects " $non_pic_object" else func_fatal_error "\`$arg' is not a valid libtool object" fi fi done else func_fatal_error "link input file \`$arg' does not exist" fi arg=$save_arg prev= continue ;; precious_regex) precious_files_regex="$arg" prev= continue ;; release) release="-$arg" prev= continue ;; rpath | xrpath) # We need an absolute path. case $arg in [\\/]* | [A-Za-z]:[\\/]*) ;; *) func_fatal_error "only absolute run-paths are allowed" ;; esac if test "$prev" = rpath; then case "$rpath " in *" $arg "*) ;; *) func_append rpath " $arg" ;; esac else case "$xrpath " in *" $arg "*) ;; *) func_append xrpath " $arg" ;; esac fi prev= continue ;; shrext) shrext_cmds="$arg" prev= continue ;; weak) func_append weak_libs " $arg" prev= continue ;; xcclinker) func_append linker_flags " $qarg" func_append compiler_flags " $qarg" prev= func_append compile_command " $qarg" func_append finalize_command " $qarg" continue ;; xcompiler) func_append compiler_flags " $qarg" prev= func_append compile_command " $qarg" func_append finalize_command " $qarg" continue ;; xlinker) func_append linker_flags " $qarg" func_append compiler_flags " $wl$qarg" prev= func_append compile_command " $wl$qarg" func_append finalize_command " $wl$qarg" continue ;; *) eval "$prev=\"\$arg\"" prev= continue ;; esac fi # test -n "$prev" prevarg="$arg" case $arg in -all-static) if test -n "$link_static_flag"; then # See comment for -static flag below, for more details. func_append compile_command " $link_static_flag" func_append finalize_command " $link_static_flag" fi continue ;; -allow-undefined) # FIXME: remove this flag sometime in the future. func_fatal_error "\`-allow-undefined' must not be used because it is the default" ;; -avoid-version) avoid_version=yes continue ;; -bindir) prev=bindir continue ;; -dlopen) prev=dlfiles continue ;; -dlpreopen) prev=dlprefiles continue ;; -export-dynamic) export_dynamic=yes continue ;; -export-symbols | -export-symbols-regex) if test -n "$export_symbols" || test -n "$export_symbols_regex"; then func_fatal_error "more than one -exported-symbols argument is not allowed" fi if test "X$arg" = "X-export-symbols"; then prev=expsyms else prev=expsyms_regex fi continue ;; -framework) prev=framework continue ;; -inst-prefix-dir) prev=inst_prefix continue ;; # The native IRIX linker understands -LANG:*, -LIST:* and -LNO:* # so, if we see these flags be careful not to treat them like -L -L[A-Z][A-Z]*:*) case $with_gcc/$host in no/*-*-irix* | /*-*-irix*) func_append compile_command " $arg" func_append finalize_command " $arg" ;; esac continue ;; -L*) func_stripname "-L" '' "$arg" if test -z "$func_stripname_result"; then if test "$#" -gt 0; then func_fatal_error "require no space between \`-L' and \`$1'" else func_fatal_error "need path for \`-L' option" fi fi func_resolve_sysroot "$func_stripname_result" dir=$func_resolve_sysroot_result # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) ;; *) absdir=`cd "$dir" && pwd` test -z "$absdir" && \ func_fatal_error "cannot determine absolute directory name of \`$dir'" dir="$absdir" ;; esac case "$deplibs " in *" -L$dir "* | *" $arg "*) # Will only happen for absolute or sysroot arguments ;; *) # Preserve sysroot, but never include relative directories case $dir in [\\/]* | [A-Za-z]:[\\/]* | =*) func_append deplibs " $arg" ;; *) func_append deplibs " -L$dir" ;; esac func_append lib_search_path " $dir" ;; esac case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) testbindir=`$ECHO "$dir" | $SED 's*/lib$*/bin*'` case :$dllsearchpath: in *":$dir:"*) ;; ::) dllsearchpath=$dir;; *) func_append dllsearchpath ":$dir";; esac case :$dllsearchpath: in *":$testbindir:"*) ;; ::) dllsearchpath=$testbindir;; *) func_append dllsearchpath ":$testbindir";; esac ;; esac continue ;; -l*) if test "X$arg" = "X-lc" || test "X$arg" = "X-lm"; then case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-beos* | *-cegcc* | *-*-haiku*) # These systems don't actually have a C or math library (as such) continue ;; *-*-os2*) # These systems don't actually have a C library (as such) test "X$arg" = "X-lc" && continue ;; *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) # Do not include libc due to us having libc/libc_r. test "X$arg" = "X-lc" && continue ;; *-*-rhapsody* | *-*-darwin1.[012]) # Rhapsody C and math libraries are in the System framework func_append deplibs " System.ltframework" continue ;; *-*-sco3.2v5* | *-*-sco5v6*) # Causes problems with __ctype test "X$arg" = "X-lc" && continue ;; *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) # Compiler inserts libc in the correct place for threads to work test "X$arg" = "X-lc" && continue ;; esac elif test "X$arg" = "X-lc_r"; then case $host in *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) # Do not include libc_r directly, use -pthread flag. continue ;; esac fi func_append deplibs " $arg" continue ;; -module) module=yes continue ;; # Tru64 UNIX uses -model [arg] to determine the layout of C++ # classes, name mangling, and exception handling. # Darwin uses the -arch flag to determine output architecture. -model|-arch|-isysroot|--sysroot) func_append compiler_flags " $arg" func_append compile_command " $arg" func_append finalize_command " $arg" prev=xcompiler continue ;; -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \ |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*) func_append compiler_flags " $arg" func_append compile_command " $arg" func_append finalize_command " $arg" case "$new_inherited_linker_flags " in *" $arg "*) ;; * ) func_append new_inherited_linker_flags " $arg" ;; esac continue ;; -multi_module) single_module="${wl}-multi_module" continue ;; -no-fast-install) fast_install=no continue ;; -no-install) case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-darwin* | *-cegcc*) # The PATH hackery in wrapper scripts is required on Windows # and Darwin in order for the loader to find any dlls it needs. func_warning "\`-no-install' is ignored for $host" func_warning "assuming \`-no-fast-install' instead" fast_install=no ;; *) no_install=yes ;; esac continue ;; -no-undefined) allow_undefined=no continue ;; -objectlist) prev=objectlist continue ;; -o) prev=output ;; -precious-files-regex) prev=precious_regex continue ;; -release) prev=release continue ;; -rpath) prev=rpath continue ;; -R) prev=xrpath continue ;; -R*) func_stripname '-R' '' "$arg" dir=$func_stripname_result # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) ;; =*) func_stripname '=' '' "$dir" dir=$lt_sysroot$func_stripname_result ;; *) func_fatal_error "only absolute run-paths are allowed" ;; esac case "$xrpath " in *" $dir "*) ;; *) func_append xrpath " $dir" ;; esac continue ;; -shared) # The effects of -shared are defined in a previous loop. continue ;; -shrext) prev=shrext continue ;; -static | -static-libtool-libs) # The effects of -static are defined in a previous loop. # We used to do the same as -all-static on platforms that # didn't have a PIC flag, but the assumption that the effects # would be equivalent was wrong. It would break on at least # Digital Unix and AIX. continue ;; -thread-safe) thread_safe=yes continue ;; -version-info) prev=vinfo continue ;; -version-number) prev=vinfo vinfo_number=yes continue ;; -weak) prev=weak continue ;; -Wc,*) func_stripname '-Wc,' '' "$arg" args=$func_stripname_result arg= save_ifs="$IFS"; IFS=',' for flag in $args; do IFS="$save_ifs" func_quote_for_eval "$flag" func_append arg " $func_quote_for_eval_result" func_append compiler_flags " $func_quote_for_eval_result" done IFS="$save_ifs" func_stripname ' ' '' "$arg" arg=$func_stripname_result ;; -Wl,*) func_stripname '-Wl,' '' "$arg" args=$func_stripname_result arg= save_ifs="$IFS"; IFS=',' for flag in $args; do IFS="$save_ifs" func_quote_for_eval "$flag" func_append arg " $wl$func_quote_for_eval_result" func_append compiler_flags " $wl$func_quote_for_eval_result" func_append linker_flags " $func_quote_for_eval_result" done IFS="$save_ifs" func_stripname ' ' '' "$arg" arg=$func_stripname_result ;; -Xcompiler) prev=xcompiler continue ;; -Xlinker) prev=xlinker continue ;; -XCClinker) prev=xcclinker continue ;; # -msg_* for osf cc -msg_*) func_quote_for_eval "$arg" arg="$func_quote_for_eval_result" ;; # Flags to be passed through unchanged, with rationale: # -64, -mips[0-9] enable 64-bit mode for the SGI compiler # -r[0-9][0-9]* specify processor for the SGI compiler # -xarch=*, -xtarget=* enable 64-bit mode for the Sun compiler # +DA*, +DD* enable 64-bit mode for the HP compiler # -q* compiler args for the IBM compiler # -m*, -t[45]*, -txscale* architecture-specific flags for GCC # -F/path path to uninstalled frameworks, gcc on darwin # -p, -pg, --coverage, -fprofile-* profiling flags for GCC # @file GCC response files # -tp=* Portland pgcc target processor selection # --sysroot=* for sysroot support # -O*, -flto*, -fwhopr*, -fuse-linker-plugin GCC link-time optimization -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \ -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \ -O*|-flto*|-fwhopr*|-fuse-linker-plugin) func_quote_for_eval "$arg" arg="$func_quote_for_eval_result" func_append compile_command " $arg" func_append finalize_command " $arg" func_append compiler_flags " $arg" continue ;; # Some other compiler flag. -* | +*) func_quote_for_eval "$arg" arg="$func_quote_for_eval_result" ;; *.$objext) # A standard object. func_append objs " $arg" ;; *.lo) # A libtool-controlled object. # Check to see that this really is a libtool object. if func_lalib_unsafe_p "$arg"; then pic_object= non_pic_object= # Read the .lo file func_source "$arg" if test -z "$pic_object" || test -z "$non_pic_object" || test "$pic_object" = none && test "$non_pic_object" = none; then func_fatal_error "cannot find name of object for \`$arg'" fi # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir="$func_dirname_result" if test "$pic_object" != none; then # Prepend the subdirectory the object is found in. pic_object="$xdir$pic_object" if test "$prev" = dlfiles; then if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then func_append dlfiles " $pic_object" prev= continue else # If libtool objects are unsupported, then we need to preload. prev=dlprefiles fi fi # CHECK ME: I think I busted this. -Ossama if test "$prev" = dlprefiles; then # Preload the old-style object. func_append dlprefiles " $pic_object" prev= fi # A PIC object. func_append libobjs " $pic_object" arg="$pic_object" fi # Non-PIC object. if test "$non_pic_object" != none; then # Prepend the subdirectory the object is found in. non_pic_object="$xdir$non_pic_object" # A standard non-PIC object func_append non_pic_objects " $non_pic_object" if test -z "$pic_object" || test "$pic_object" = none ; then arg="$non_pic_object" fi else # If the PIC object exists, use it instead. # $xdir was prepended to $pic_object above. non_pic_object="$pic_object" func_append non_pic_objects " $non_pic_object" fi else # Only an error if not doing a dry-run. if $opt_dry_run; then # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir="$func_dirname_result" func_lo2o "$arg" pic_object=$xdir$objdir/$func_lo2o_result non_pic_object=$xdir$func_lo2o_result func_append libobjs " $pic_object" func_append non_pic_objects " $non_pic_object" else func_fatal_error "\`$arg' is not a valid libtool object" fi fi ;; *.$libext) # An archive. func_append deplibs " $arg" func_append old_deplibs " $arg" continue ;; *.la) # A libtool-controlled library. func_resolve_sysroot "$arg" if test "$prev" = dlfiles; then # This library was specified with -dlopen. func_append dlfiles " $func_resolve_sysroot_result" prev= elif test "$prev" = dlprefiles; then # The library was specified with -dlpreopen. func_append dlprefiles " $func_resolve_sysroot_result" prev= else func_append deplibs " $func_resolve_sysroot_result" fi continue ;; # Some other compiler argument. *) # Unknown arguments in both finalize_command and compile_command need # to be aesthetically quoted because they are evaled later. func_quote_for_eval "$arg" arg="$func_quote_for_eval_result" ;; esac # arg # Now actually substitute the argument into the commands. if test -n "$arg"; then func_append compile_command " $arg" func_append finalize_command " $arg" fi done # argument parsing loop test -n "$prev" && \ func_fatal_help "the \`$prevarg' option requires an argument" if test "$export_dynamic" = yes && test -n "$export_dynamic_flag_spec"; then eval arg=\"$export_dynamic_flag_spec\" func_append compile_command " $arg" func_append finalize_command " $arg" fi oldlibs= # calculate the name of the file, without its directory func_basename "$output" outputname="$func_basename_result" libobjs_save="$libobjs" if test -n "$shlibpath_var"; then # get the directories listed in $shlibpath_var eval shlib_search_path=\`\$ECHO \"\${$shlibpath_var}\" \| \$SED \'s/:/ /g\'\` else shlib_search_path= fi eval sys_lib_search_path=\"$sys_lib_search_path_spec\" eval sys_lib_dlsearch_path=\"$sys_lib_dlsearch_path_spec\" func_dirname "$output" "/" "" output_objdir="$func_dirname_result$objdir" func_to_tool_file "$output_objdir/" tool_output_objdir=$func_to_tool_file_result # Create the object directory. func_mkdir_p "$output_objdir" # Determine the type of output case $output in "") func_fatal_help "you must specify an output file" ;; *.$libext) linkmode=oldlib ;; *.lo | *.$objext) linkmode=obj ;; *.la) linkmode=lib ;; *) linkmode=prog ;; # Anything else should be a program. esac specialdeplibs= libs= # Find all interdependent deplibs by searching for libraries # that are linked more than once (e.g. -la -lb -la) for deplib in $deplibs; do if $opt_preserve_dup_deps ; then case "$libs " in *" $deplib "*) func_append specialdeplibs " $deplib" ;; esac fi func_append libs " $deplib" done if test "$linkmode" = lib; then libs="$predeps $libs $compiler_lib_search_path $postdeps" # Compute libraries that are listed more than once in $predeps # $postdeps and mark them as special (i.e., whose duplicates are # not to be eliminated). pre_post_deps= if $opt_duplicate_compiler_generated_deps; then for pre_post_dep in $predeps $postdeps; do case "$pre_post_deps " in *" $pre_post_dep "*) func_append specialdeplibs " $pre_post_deps" ;; esac func_append pre_post_deps " $pre_post_dep" done fi pre_post_deps= fi deplibs= newdependency_libs= newlib_search_path= need_relink=no # whether we're linking any uninstalled libtool libraries notinst_deplibs= # not-installed libtool libraries notinst_path= # paths that contain not-installed libtool libraries case $linkmode in lib) passes="conv dlpreopen link" for file in $dlfiles $dlprefiles; do case $file in *.la) ;; *) func_fatal_help "libraries can \`-dlopen' only libtool libraries: $file" ;; esac done ;; prog) compile_deplibs= finalize_deplibs= alldeplibs=no newdlfiles= newdlprefiles= passes="conv scan dlopen dlpreopen link" ;; *) passes="conv" ;; esac for pass in $passes; do # The preopen pass in lib mode reverses $deplibs; put it back here # so that -L comes before libs that need it for instance... if test "$linkmode,$pass" = "lib,link"; then ## FIXME: Find the place where the list is rebuilt in the wrong ## order, and fix it there properly tmp_deplibs= for deplib in $deplibs; do tmp_deplibs="$deplib $tmp_deplibs" done deplibs="$tmp_deplibs" fi if test "$linkmode,$pass" = "lib,link" || test "$linkmode,$pass" = "prog,scan"; then libs="$deplibs" deplibs= fi if test "$linkmode" = prog; then case $pass in dlopen) libs="$dlfiles" ;; dlpreopen) libs="$dlprefiles" ;; link) libs="$deplibs %DEPLIBS% $dependency_libs" ;; esac fi if test "$linkmode,$pass" = "lib,dlpreopen"; then # Collect and forward deplibs of preopened libtool libs for lib in $dlprefiles; do # Ignore non-libtool-libs dependency_libs= func_resolve_sysroot "$lib" case $lib in *.la) func_source "$func_resolve_sysroot_result" ;; esac # Collect preopened libtool deplibs, except any this library # has declared as weak libs for deplib in $dependency_libs; do func_basename "$deplib" deplib_base=$func_basename_result case " $weak_libs " in *" $deplib_base "*) ;; *) func_append deplibs " $deplib" ;; esac done done libs="$dlprefiles" fi if test "$pass" = dlopen; then # Collect dlpreopened libraries save_deplibs="$deplibs" deplibs= fi for deplib in $libs; do lib= found=no case $deplib in -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \ |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*) if test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else func_append compiler_flags " $deplib" if test "$linkmode" = lib ; then case "$new_inherited_linker_flags " in *" $deplib "*) ;; * ) func_append new_inherited_linker_flags " $deplib" ;; esac fi fi continue ;; -l*) if test "$linkmode" != lib && test "$linkmode" != prog; then func_warning "\`-l' is ignored for archives/objects" continue fi func_stripname '-l' '' "$deplib" name=$func_stripname_result if test "$linkmode" = lib; then searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path" else searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path" fi for searchdir in $searchdirs; do for search_ext in .la $std_shrext .so .a; do # Search the libtool library lib="$searchdir/lib${name}${search_ext}" if test -f "$lib"; then if test "$search_ext" = ".la"; then found=yes else found=no fi break 2 fi done done if test "$found" != yes; then # deplib doesn't seem to be a libtool library if test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else deplibs="$deplib $deplibs" test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs" fi continue else # deplib is a libtool library # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib, # We need to do some special things here, and not later. if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then case " $predeps $postdeps " in *" $deplib "*) if func_lalib_p "$lib"; then library_names= old_library= func_source "$lib" for l in $old_library $library_names; do ll="$l" done if test "X$ll" = "X$old_library" ; then # only static version available found=no func_dirname "$lib" "" "." ladir="$func_dirname_result" lib=$ladir/$old_library if test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else deplibs="$deplib $deplibs" test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs" fi continue fi fi ;; *) ;; esac fi fi ;; # -l *.ltframework) if test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else deplibs="$deplib $deplibs" if test "$linkmode" = lib ; then case "$new_inherited_linker_flags " in *" $deplib "*) ;; * ) func_append new_inherited_linker_flags " $deplib" ;; esac fi fi continue ;; -L*) case $linkmode in lib) deplibs="$deplib $deplibs" test "$pass" = conv && continue newdependency_libs="$deplib $newdependency_libs" func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result" func_append newlib_search_path " $func_resolve_sysroot_result" ;; prog) if test "$pass" = conv; then deplibs="$deplib $deplibs" continue fi if test "$pass" = scan; then deplibs="$deplib $deplibs" else compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" fi func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result" func_append newlib_search_path " $func_resolve_sysroot_result" ;; *) func_warning "\`-L' is ignored for archives/objects" ;; esac # linkmode continue ;; # -L -R*) if test "$pass" = link; then func_stripname '-R' '' "$deplib" func_resolve_sysroot "$func_stripname_result" dir=$func_resolve_sysroot_result # Make sure the xrpath contains only unique directories. case "$xrpath " in *" $dir "*) ;; *) func_append xrpath " $dir" ;; esac fi deplibs="$deplib $deplibs" continue ;; *.la) func_resolve_sysroot "$deplib" lib=$func_resolve_sysroot_result ;; *.$libext) if test "$pass" = conv; then deplibs="$deplib $deplibs" continue fi case $linkmode in lib) # Linking convenience modules into shared libraries is allowed, # but linking other static libraries is non-portable. case " $dlpreconveniencelibs " in *" $deplib "*) ;; *) valid_a_lib=no case $deplibs_check_method in match_pattern*) set dummy $deplibs_check_method; shift match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` if eval "\$ECHO \"$deplib\"" 2>/dev/null | $SED 10q \ | $EGREP "$match_pattern_regex" > /dev/null; then valid_a_lib=yes fi ;; pass_all) valid_a_lib=yes ;; esac if test "$valid_a_lib" != yes; then echo $ECHO "*** Warning: Trying to link with static lib archive $deplib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have" echo "*** because the file extensions .$libext of this argument makes me believe" echo "*** that it is just a static archive that I should not use here." else echo $ECHO "*** Warning: Linking the shared library $output against the" $ECHO "*** static library $deplib is not portable!" deplibs="$deplib $deplibs" fi ;; esac continue ;; prog) if test "$pass" != link; then deplibs="$deplib $deplibs" else compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" fi continue ;; esac # linkmode ;; # *.$libext *.lo | *.$objext) if test "$pass" = conv; then deplibs="$deplib $deplibs" elif test "$linkmode" = prog; then if test "$pass" = dlpreopen || test "$dlopen_support" != yes || test "$build_libtool_libs" = no; then # If there is no dlopen support or we're linking statically, # we need to preload. func_append newdlprefiles " $deplib" compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else func_append newdlfiles " $deplib" fi fi continue ;; %DEPLIBS%) alldeplibs=yes continue ;; esac # case $deplib if test "$found" = yes || test -f "$lib"; then : else func_fatal_error "cannot find the library \`$lib' or unhandled argument \`$deplib'" fi # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$lib" \ || func_fatal_error "\`$lib' is not a valid libtool archive" func_dirname "$lib" "" "." ladir="$func_dirname_result" dlname= dlopen= dlpreopen= libdir= library_names= old_library= inherited_linker_flags= # If the library was installed with an old release of libtool, # it will not redefine variables installed, or shouldnotlink installed=yes shouldnotlink=no avoidtemprpath= # Read the .la file func_source "$lib" # Convert "-framework foo" to "foo.ltframework" if test -n "$inherited_linker_flags"; then tmp_inherited_linker_flags=`$ECHO "$inherited_linker_flags" | $SED 's/-framework \([^ $]*\)/\1.ltframework/g'` for tmp_inherited_linker_flag in $tmp_inherited_linker_flags; do case " $new_inherited_linker_flags " in *" $tmp_inherited_linker_flag "*) ;; *) func_append new_inherited_linker_flags " $tmp_inherited_linker_flag";; esac done fi dependency_libs=`$ECHO " $dependency_libs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` if test "$linkmode,$pass" = "lib,link" || test "$linkmode,$pass" = "prog,scan" || { test "$linkmode" != prog && test "$linkmode" != lib; }; then test -n "$dlopen" && func_append dlfiles " $dlopen" test -n "$dlpreopen" && func_append dlprefiles " $dlpreopen" fi if test "$pass" = conv; then # Only check for convenience libraries deplibs="$lib $deplibs" if test -z "$libdir"; then if test -z "$old_library"; then func_fatal_error "cannot find name of link library for \`$lib'" fi # It is a libtool convenience library, so add in its objects. func_append convenience " $ladir/$objdir/$old_library" func_append old_convenience " $ladir/$objdir/$old_library" elif test "$linkmode" != prog && test "$linkmode" != lib; then func_fatal_error "\`$lib' is not a convenience library" fi tmp_libs= for deplib in $dependency_libs; do deplibs="$deplib $deplibs" if $opt_preserve_dup_deps ; then case "$tmp_libs " in *" $deplib "*) func_append specialdeplibs " $deplib" ;; esac fi func_append tmp_libs " $deplib" done continue fi # $pass = conv # Get the name of the library we link against. linklib= if test -n "$old_library" && { test "$prefer_static_libs" = yes || test "$prefer_static_libs,$installed" = "built,no"; }; then linklib=$old_library else for l in $old_library $library_names; do linklib="$l" done fi if test -z "$linklib"; then func_fatal_error "cannot find name of link library for \`$lib'" fi # This library was specified with -dlopen. if test "$pass" = dlopen; then if test -z "$libdir"; then func_fatal_error "cannot -dlopen a convenience library: \`$lib'" fi if test -z "$dlname" || test "$dlopen_support" != yes || test "$build_libtool_libs" = no; then # If there is no dlname, no dlopen support or we're linking # statically, we need to preload. We also need to preload any # dependent libraries so libltdl's deplib preloader doesn't # bomb out in the load deplibs phase. func_append dlprefiles " $lib $dependency_libs" else func_append newdlfiles " $lib" fi continue fi # $pass = dlopen # We need an absolute path. case $ladir in [\\/]* | [A-Za-z]:[\\/]*) abs_ladir="$ladir" ;; *) abs_ladir=`cd "$ladir" && pwd` if test -z "$abs_ladir"; then func_warning "cannot determine absolute directory name of \`$ladir'" func_warning "passing it literally to the linker, although it might fail" abs_ladir="$ladir" fi ;; esac func_basename "$lib" laname="$func_basename_result" # Find the relevant object directory and library name. if test "X$installed" = Xyes; then if test ! -f "$lt_sysroot$libdir/$linklib" && test -f "$abs_ladir/$linklib"; then func_warning "library \`$lib' was moved." dir="$ladir" absdir="$abs_ladir" libdir="$abs_ladir" else dir="$lt_sysroot$libdir" absdir="$lt_sysroot$libdir" fi test "X$hardcode_automatic" = Xyes && avoidtemprpath=yes else if test ! -f "$ladir/$objdir/$linklib" && test -f "$abs_ladir/$linklib"; then dir="$ladir" absdir="$abs_ladir" # Remove this search path later func_append notinst_path " $abs_ladir" else dir="$ladir/$objdir" absdir="$abs_ladir/$objdir" # Remove this search path later func_append notinst_path " $abs_ladir" fi fi # $installed = yes func_stripname 'lib' '.la' "$laname" name=$func_stripname_result # This library was specified with -dlpreopen. if test "$pass" = dlpreopen; then if test -z "$libdir" && test "$linkmode" = prog; then func_fatal_error "only libraries may -dlpreopen a convenience library: \`$lib'" fi case "$host" in # special handling for platforms with PE-DLLs. *cygwin* | *mingw* | *cegcc* ) # Linker will automatically link against shared library if both # static and shared are present. Therefore, ensure we extract # symbols from the import library if a shared library is present # (otherwise, the dlopen module name will be incorrect). We do # this by putting the import library name into $newdlprefiles. # We recover the dlopen module name by 'saving' the la file # name in a special purpose variable, and (later) extracting the # dlname from the la file. if test -n "$dlname"; then func_tr_sh "$dir/$linklib" eval "libfile_$func_tr_sh_result=\$abs_ladir/\$laname" func_append newdlprefiles " $dir/$linklib" else func_append newdlprefiles " $dir/$old_library" # Keep a list of preopened convenience libraries to check # that they are being used correctly in the link pass. test -z "$libdir" && \ func_append dlpreconveniencelibs " $dir/$old_library" fi ;; * ) # Prefer using a static library (so that no silly _DYNAMIC symbols # are required to link). if test -n "$old_library"; then func_append newdlprefiles " $dir/$old_library" # Keep a list of preopened convenience libraries to check # that they are being used correctly in the link pass. test -z "$libdir" && \ func_append dlpreconveniencelibs " $dir/$old_library" # Otherwise, use the dlname, so that lt_dlopen finds it. elif test -n "$dlname"; then func_append newdlprefiles " $dir/$dlname" else func_append newdlprefiles " $dir/$linklib" fi ;; esac fi # $pass = dlpreopen if test -z "$libdir"; then # Link the convenience library if test "$linkmode" = lib; then deplibs="$dir/$old_library $deplibs" elif test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$dir/$old_library $compile_deplibs" finalize_deplibs="$dir/$old_library $finalize_deplibs" else deplibs="$lib $deplibs" # used for prog,scan pass fi continue fi if test "$linkmode" = prog && test "$pass" != link; then func_append newlib_search_path " $ladir" deplibs="$lib $deplibs" linkalldeplibs=no if test "$link_all_deplibs" != no || test -z "$library_names" || test "$build_libtool_libs" = no; then linkalldeplibs=yes fi tmp_libs= for deplib in $dependency_libs; do case $deplib in -L*) func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result" func_append newlib_search_path " $func_resolve_sysroot_result" ;; esac # Need to link against all dependency_libs? if test "$linkalldeplibs" = yes; then deplibs="$deplib $deplibs" else # Need to hardcode shared library paths # or/and link against static libraries newdependency_libs="$deplib $newdependency_libs" fi if $opt_preserve_dup_deps ; then case "$tmp_libs " in *" $deplib "*) func_append specialdeplibs " $deplib" ;; esac fi func_append tmp_libs " $deplib" done # for deplib continue fi # $linkmode = prog... if test "$linkmode,$pass" = "prog,link"; then if test -n "$library_names" && { { test "$prefer_static_libs" = no || test "$prefer_static_libs,$installed" = "built,yes"; } || test -z "$old_library"; }; then # We need to hardcode the library path if test -n "$shlibpath_var" && test -z "$avoidtemprpath" ; then # Make sure the rpath contains only unique directories. case "$temp_rpath:" in *"$absdir:"*) ;; *) func_append temp_rpath "$absdir:" ;; esac fi # Hardcode the library path. # Skip directories that are in the system default run-time # search path. case " $sys_lib_dlsearch_path " in *" $absdir "*) ;; *) case "$compile_rpath " in *" $absdir "*) ;; *) func_append compile_rpath " $absdir" ;; esac ;; esac case " $sys_lib_dlsearch_path " in *" $libdir "*) ;; *) case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac ;; esac fi # $linkmode,$pass = prog,link... if test "$alldeplibs" = yes && { test "$deplibs_check_method" = pass_all || { test "$build_libtool_libs" = yes && test -n "$library_names"; }; }; then # We only need to search for static libraries continue fi fi link_static=no # Whether the deplib will be linked statically use_static_libs=$prefer_static_libs if test "$use_static_libs" = built && test "$installed" = yes; then use_static_libs=no fi if test -n "$library_names" && { test "$use_static_libs" = no || test -z "$old_library"; }; then case $host in *cygwin* | *mingw* | *cegcc*) # No point in relinking DLLs because paths are not encoded func_append notinst_deplibs " $lib" need_relink=no ;; *) if test "$installed" = no; then func_append notinst_deplibs " $lib" need_relink=yes fi ;; esac # This is a shared library # Warn about portability, can't link against -module's on some # systems (darwin). Don't bleat about dlopened modules though! dlopenmodule="" for dlpremoduletest in $dlprefiles; do if test "X$dlpremoduletest" = "X$lib"; then dlopenmodule="$dlpremoduletest" break fi done if test -z "$dlopenmodule" && test "$shouldnotlink" = yes && test "$pass" = link; then echo if test "$linkmode" = prog; then $ECHO "*** Warning: Linking the executable $output against the loadable module" else $ECHO "*** Warning: Linking the shared library $output against the loadable module" fi $ECHO "*** $linklib is not portable!" fi if test "$linkmode" = lib && test "$hardcode_into_libs" = yes; then # Hardcode the library path. # Skip directories that are in the system default run-time # search path. case " $sys_lib_dlsearch_path " in *" $absdir "*) ;; *) case "$compile_rpath " in *" $absdir "*) ;; *) func_append compile_rpath " $absdir" ;; esac ;; esac case " $sys_lib_dlsearch_path " in *" $libdir "*) ;; *) case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac ;; esac fi if test -n "$old_archive_from_expsyms_cmds"; then # figure out the soname set dummy $library_names shift realname="$1" shift libname=`eval "\\$ECHO \"$libname_spec\""` # use dlname if we got it. it's perfectly good, no? if test -n "$dlname"; then soname="$dlname" elif test -n "$soname_spec"; then # bleh windows case $host in *cygwin* | mingw* | *cegcc*) func_arith $current - $age major=$func_arith_result versuffix="-$major" ;; esac eval soname=\"$soname_spec\" else soname="$realname" fi # Make a new name for the extract_expsyms_cmds to use soroot="$soname" func_basename "$soroot" soname="$func_basename_result" func_stripname 'lib' '.dll' "$soname" newlib=libimp-$func_stripname_result.a # If the library has no export list, then create one now if test -f "$output_objdir/$soname-def"; then : else func_verbose "extracting exported symbol list from \`$soname'" func_execute_cmds "$extract_expsyms_cmds" 'exit $?' fi # Create $newlib if test -f "$output_objdir/$newlib"; then :; else func_verbose "generating import library for \`$soname'" func_execute_cmds "$old_archive_from_expsyms_cmds" 'exit $?' fi # make sure the library variables are pointing to the new library dir=$output_objdir linklib=$newlib fi # test -n "$old_archive_from_expsyms_cmds" if test "$linkmode" = prog || test "$opt_mode" != relink; then add_shlibpath= add_dir= add= lib_linked=yes case $hardcode_action in immediate | unsupported) if test "$hardcode_direct" = no; then add="$dir/$linklib" case $host in *-*-sco3.2v5.0.[024]*) add_dir="-L$dir" ;; *-*-sysv4*uw2*) add_dir="-L$dir" ;; *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.[01].[10]* | \ *-*-unixware7*) add_dir="-L$dir" ;; *-*-darwin* ) # if the lib is a (non-dlopened) module then we can not # link against it, someone is ignoring the earlier warnings if /usr/bin/file -L $add 2> /dev/null | $GREP ": [^:]* bundle" >/dev/null ; then if test "X$dlopenmodule" != "X$lib"; then $ECHO "*** Warning: lib $linklib is a module, not a shared library" if test -z "$old_library" ; then echo echo "*** And there doesn't seem to be a static archive available" echo "*** The link will probably fail, sorry" else add="$dir/$old_library" fi elif test -n "$old_library"; then add="$dir/$old_library" fi fi esac elif test "$hardcode_minus_L" = no; then case $host in *-*-sunos*) add_shlibpath="$dir" ;; esac add_dir="-L$dir" add="-l$name" elif test "$hardcode_shlibpath_var" = no; then add_shlibpath="$dir" add="-l$name" else lib_linked=no fi ;; relink) if test "$hardcode_direct" = yes && test "$hardcode_direct_absolute" = no; then add="$dir/$linklib" elif test "$hardcode_minus_L" = yes; then add_dir="-L$absdir" # Try looking first in the location we're being installed to. if test -n "$inst_prefix_dir"; then case $libdir in [\\/]*) func_append add_dir " -L$inst_prefix_dir$libdir" ;; esac fi add="-l$name" elif test "$hardcode_shlibpath_var" = yes; then add_shlibpath="$dir" add="-l$name" else lib_linked=no fi ;; *) lib_linked=no ;; esac if test "$lib_linked" != yes; then func_fatal_configuration "unsupported hardcode properties" fi if test -n "$add_shlibpath"; then case :$compile_shlibpath: in *":$add_shlibpath:"*) ;; *) func_append compile_shlibpath "$add_shlibpath:" ;; esac fi if test "$linkmode" = prog; then test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs" test -n "$add" && compile_deplibs="$add $compile_deplibs" else test -n "$add_dir" && deplibs="$add_dir $deplibs" test -n "$add" && deplibs="$add $deplibs" if test "$hardcode_direct" != yes && test "$hardcode_minus_L" != yes && test "$hardcode_shlibpath_var" = yes; then case :$finalize_shlibpath: in *":$libdir:"*) ;; *) func_append finalize_shlibpath "$libdir:" ;; esac fi fi fi if test "$linkmode" = prog || test "$opt_mode" = relink; then add_shlibpath= add_dir= add= # Finalize command for both is simple: just hardcode it. if test "$hardcode_direct" = yes && test "$hardcode_direct_absolute" = no; then add="$libdir/$linklib" elif test "$hardcode_minus_L" = yes; then add_dir="-L$libdir" add="-l$name" elif test "$hardcode_shlibpath_var" = yes; then case :$finalize_shlibpath: in *":$libdir:"*) ;; *) func_append finalize_shlibpath "$libdir:" ;; esac add="-l$name" elif test "$hardcode_automatic" = yes; then if test -n "$inst_prefix_dir" && test -f "$inst_prefix_dir$libdir/$linklib" ; then add="$inst_prefix_dir$libdir/$linklib" else add="$libdir/$linklib" fi else # We cannot seem to hardcode it, guess we'll fake it. add_dir="-L$libdir" # Try looking first in the location we're being installed to. if test -n "$inst_prefix_dir"; then case $libdir in [\\/]*) func_append add_dir " -L$inst_prefix_dir$libdir" ;; esac fi add="-l$name" fi if test "$linkmode" = prog; then test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs" test -n "$add" && finalize_deplibs="$add $finalize_deplibs" else test -n "$add_dir" && deplibs="$add_dir $deplibs" test -n "$add" && deplibs="$add $deplibs" fi fi elif test "$linkmode" = prog; then # Here we assume that one of hardcode_direct or hardcode_minus_L # is not unsupported. This is valid on all known static and # shared platforms. if test "$hardcode_direct" != unsupported; then test -n "$old_library" && linklib="$old_library" compile_deplibs="$dir/$linklib $compile_deplibs" finalize_deplibs="$dir/$linklib $finalize_deplibs" else compile_deplibs="-l$name -L$dir $compile_deplibs" finalize_deplibs="-l$name -L$dir $finalize_deplibs" fi elif test "$build_libtool_libs" = yes; then # Not a shared library if test "$deplibs_check_method" != pass_all; then # We're trying link a shared library against a static one # but the system doesn't support it. # Just print a warning and add the library to dependency_libs so # that the program can be linked against the static library. echo $ECHO "*** Warning: This system can not link to static lib archive $lib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have." if test "$module" = yes; then echo "*** But as you try to build a module library, libtool will still create " echo "*** a static module, that should work as long as the dlopening application" echo "*** is linked with the -dlopen flag to resolve symbols at runtime." if test -z "$global_symbol_pipe"; then echo echo "*** However, this would only work if libtool was able to extract symbol" echo "*** lists from a program, using \`nm' or equivalent, but libtool could" echo "*** not find such a program. So, this module is probably useless." echo "*** \`nm' from GNU binutils and a full rebuild may help." fi if test "$build_old_libs" = no; then build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi fi else deplibs="$dir/$old_library $deplibs" link_static=yes fi fi # link shared/static library? if test "$linkmode" = lib; then if test -n "$dependency_libs" && { test "$hardcode_into_libs" != yes || test "$build_old_libs" = yes || test "$link_static" = yes; }; then # Extract -R from dependency_libs temp_deplibs= for libdir in $dependency_libs; do case $libdir in -R*) func_stripname '-R' '' "$libdir" temp_xrpath=$func_stripname_result case " $xrpath " in *" $temp_xrpath "*) ;; *) func_append xrpath " $temp_xrpath";; esac;; *) func_append temp_deplibs " $libdir";; esac done dependency_libs="$temp_deplibs" fi func_append newlib_search_path " $absdir" # Link against this library test "$link_static" = no && newdependency_libs="$abs_ladir/$laname $newdependency_libs" # ... and its dependency_libs tmp_libs= for deplib in $dependency_libs; do newdependency_libs="$deplib $newdependency_libs" case $deplib in -L*) func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result";; *) func_resolve_sysroot "$deplib" ;; esac if $opt_preserve_dup_deps ; then case "$tmp_libs " in *" $func_resolve_sysroot_result "*) func_append specialdeplibs " $func_resolve_sysroot_result" ;; esac fi func_append tmp_libs " $func_resolve_sysroot_result" done if test "$link_all_deplibs" != no; then # Add the search paths of all dependency libraries for deplib in $dependency_libs; do path= case $deplib in -L*) path="$deplib" ;; *.la) func_resolve_sysroot "$deplib" deplib=$func_resolve_sysroot_result func_dirname "$deplib" "" "." dir=$func_dirname_result # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) absdir="$dir" ;; *) absdir=`cd "$dir" && pwd` if test -z "$absdir"; then func_warning "cannot determine absolute directory name of \`$dir'" absdir="$dir" fi ;; esac if $GREP "^installed=no" $deplib > /dev/null; then case $host in *-*-darwin*) depdepl= eval deplibrary_names=`${SED} -n -e 's/^library_names=\(.*\)$/\1/p' $deplib` if test -n "$deplibrary_names" ; then for tmp in $deplibrary_names ; do depdepl=$tmp done if test -f "$absdir/$objdir/$depdepl" ; then depdepl="$absdir/$objdir/$depdepl" darwin_install_name=`${OTOOL} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` if test -z "$darwin_install_name"; then darwin_install_name=`${OTOOL64} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` fi func_append compiler_flags " ${wl}-dylib_file ${wl}${darwin_install_name}:${depdepl}" func_append linker_flags " -dylib_file ${darwin_install_name}:${depdepl}" path= fi fi ;; *) path="-L$absdir/$objdir" ;; esac else eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $deplib` test -z "$libdir" && \ func_fatal_error "\`$deplib' is not a valid libtool archive" test "$absdir" != "$libdir" && \ func_warning "\`$deplib' seems to be moved" path="-L$absdir" fi ;; esac case " $deplibs " in *" $path "*) ;; *) deplibs="$path $deplibs" ;; esac done fi # link_all_deplibs != no fi # linkmode = lib done # for deplib in $libs if test "$pass" = link; then if test "$linkmode" = "prog"; then compile_deplibs="$new_inherited_linker_flags $compile_deplibs" finalize_deplibs="$new_inherited_linker_flags $finalize_deplibs" else compiler_flags="$compiler_flags "`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` fi fi dependency_libs="$newdependency_libs" if test "$pass" = dlpreopen; then # Link the dlpreopened libraries before other libraries for deplib in $save_deplibs; do deplibs="$deplib $deplibs" done fi if test "$pass" != dlopen; then if test "$pass" != conv; then # Make sure lib_search_path contains only unique directories. lib_search_path= for dir in $newlib_search_path; do case "$lib_search_path " in *" $dir "*) ;; *) func_append lib_search_path " $dir" ;; esac done newlib_search_path= fi if test "$linkmode,$pass" != "prog,link"; then vars="deplibs" else vars="compile_deplibs finalize_deplibs" fi for var in $vars dependency_libs; do # Add libraries to $var in reverse order eval tmp_libs=\"\$$var\" new_libs= for deplib in $tmp_libs; do # FIXME: Pedantically, this is the right thing to do, so # that some nasty dependency loop isn't accidentally # broken: #new_libs="$deplib $new_libs" # Pragmatically, this seems to cause very few problems in # practice: case $deplib in -L*) new_libs="$deplib $new_libs" ;; -R*) ;; *) # And here is the reason: when a library appears more # than once as an explicit dependence of a library, or # is implicitly linked in more than once by the # compiler, it is considered special, and multiple # occurrences thereof are not removed. Compare this # with having the same library being listed as a # dependency of multiple other libraries: in this case, # we know (pedantically, we assume) the library does not # need to be listed more than once, so we keep only the # last copy. This is not always right, but it is rare # enough that we require users that really mean to play # such unportable linking tricks to link the library # using -Wl,-lname, so that libtool does not consider it # for duplicate removal. case " $specialdeplibs " in *" $deplib "*) new_libs="$deplib $new_libs" ;; *) case " $new_libs " in *" $deplib "*) ;; *) new_libs="$deplib $new_libs" ;; esac ;; esac ;; esac done tmp_libs= for deplib in $new_libs; do case $deplib in -L*) case " $tmp_libs " in *" $deplib "*) ;; *) func_append tmp_libs " $deplib" ;; esac ;; *) func_append tmp_libs " $deplib" ;; esac done eval $var=\"$tmp_libs\" done # for var fi # Last step: remove runtime libs from dependency_libs # (they stay in deplibs) tmp_libs= for i in $dependency_libs ; do case " $predeps $postdeps $compiler_lib_search_path " in *" $i "*) i="" ;; esac if test -n "$i" ; then func_append tmp_libs " $i" fi done dependency_libs=$tmp_libs done # for pass if test "$linkmode" = prog; then dlfiles="$newdlfiles" fi if test "$linkmode" = prog || test "$linkmode" = lib; then dlprefiles="$newdlprefiles" fi case $linkmode in oldlib) if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then func_warning "\`-dlopen' is ignored for archives" fi case " $deplibs" in *\ -l* | *\ -L*) func_warning "\`-l' and \`-L' are ignored for archives" ;; esac test -n "$rpath" && \ func_warning "\`-rpath' is ignored for archives" test -n "$xrpath" && \ func_warning "\`-R' is ignored for archives" test -n "$vinfo" && \ func_warning "\`-version-info/-version-number' is ignored for archives" test -n "$release" && \ func_warning "\`-release' is ignored for archives" test -n "$export_symbols$export_symbols_regex" && \ func_warning "\`-export-symbols' is ignored for archives" # Now set the variables for building old libraries. build_libtool_libs=no oldlibs="$output" func_append objs "$old_deplibs" ;; lib) # Make sure we only generate libraries of the form `libNAME.la'. case $outputname in lib*) func_stripname 'lib' '.la' "$outputname" name=$func_stripname_result eval shared_ext=\"$shrext_cmds\" eval libname=\"$libname_spec\" ;; *) test "$module" = no && \ func_fatal_help "libtool library \`$output' must begin with \`lib'" if test "$need_lib_prefix" != no; then # Add the "lib" prefix for modules if required func_stripname '' '.la' "$outputname" name=$func_stripname_result eval shared_ext=\"$shrext_cmds\" eval libname=\"$libname_spec\" else func_stripname '' '.la' "$outputname" libname=$func_stripname_result fi ;; esac if test -n "$objs"; then if test "$deplibs_check_method" != pass_all; then func_fatal_error "cannot build libtool library \`$output' from non-libtool objects on this host:$objs" else echo $ECHO "*** Warning: Linking the shared library $output against the non-libtool" $ECHO "*** objects $objs is not portable!" func_append libobjs " $objs" fi fi test "$dlself" != no && \ func_warning "\`-dlopen self' is ignored for libtool libraries" set dummy $rpath shift test "$#" -gt 1 && \ func_warning "ignoring multiple \`-rpath's for a libtool library" install_libdir="$1" oldlibs= if test -z "$rpath"; then if test "$build_libtool_libs" = yes; then # Building a libtool convenience library. # Some compilers have problems with a `.al' extension so # convenience libraries should have the same extension an # archive normally would. oldlibs="$output_objdir/$libname.$libext $oldlibs" build_libtool_libs=convenience build_old_libs=yes fi test -n "$vinfo" && \ func_warning "\`-version-info/-version-number' is ignored for convenience libraries" test -n "$release" && \ func_warning "\`-release' is ignored for convenience libraries" else # Parse the version information argument. save_ifs="$IFS"; IFS=':' set dummy $vinfo 0 0 0 shift IFS="$save_ifs" test -n "$7" && \ func_fatal_help "too many parameters to \`-version-info'" # convert absolute version numbers to libtool ages # this retains compatibility with .la files and attempts # to make the code below a bit more comprehensible case $vinfo_number in yes) number_major="$1" number_minor="$2" number_revision="$3" # # There are really only two kinds -- those that # use the current revision as the major version # and those that subtract age and use age as # a minor version. But, then there is irix # which has an extra 1 added just for fun # case $version_type in # correct linux to gnu/linux during the next big refactor darwin|linux|osf|windows|none) func_arith $number_major + $number_minor current=$func_arith_result age="$number_minor" revision="$number_revision" ;; freebsd-aout|freebsd-elf|qnx|sunos) current="$number_major" revision="$number_minor" age="0" ;; irix|nonstopux) func_arith $number_major + $number_minor current=$func_arith_result age="$number_minor" revision="$number_minor" lt_irix_increment=no ;; esac ;; no) current="$1" revision="$2" age="$3" ;; esac # Check that each of the things are valid numbers. case $current in 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; *) func_error "CURRENT \`$current' must be a nonnegative integer" func_fatal_error "\`$vinfo' is not valid version information" ;; esac case $revision in 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; *) func_error "REVISION \`$revision' must be a nonnegative integer" func_fatal_error "\`$vinfo' is not valid version information" ;; esac case $age in 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; *) func_error "AGE \`$age' must be a nonnegative integer" func_fatal_error "\`$vinfo' is not valid version information" ;; esac if test "$age" -gt "$current"; then func_error "AGE \`$age' is greater than the current interface number \`$current'" func_fatal_error "\`$vinfo' is not valid version information" fi # Calculate the version variables. major= versuffix= verstring= case $version_type in none) ;; darwin) # Like Linux, but with the current version available in # verstring for coding it into the library header func_arith $current - $age major=.$func_arith_result versuffix="$major.$age.$revision" # Darwin ld doesn't like 0 for these options... func_arith $current + 1 minor_current=$func_arith_result xlcverstring="${wl}-compatibility_version ${wl}$minor_current ${wl}-current_version ${wl}$minor_current.$revision" verstring="-compatibility_version $minor_current -current_version $minor_current.$revision" ;; freebsd-aout) major=".$current" versuffix=".$current.$revision"; ;; freebsd-elf) major=".$current" versuffix=".$current" ;; irix | nonstopux) if test "X$lt_irix_increment" = "Xno"; then func_arith $current - $age else func_arith $current - $age + 1 fi major=$func_arith_result case $version_type in nonstopux) verstring_prefix=nonstopux ;; *) verstring_prefix=sgi ;; esac verstring="$verstring_prefix$major.$revision" # Add in all the interfaces that we are compatible with. loop=$revision while test "$loop" -ne 0; do func_arith $revision - $loop iface=$func_arith_result func_arith $loop - 1 loop=$func_arith_result verstring="$verstring_prefix$major.$iface:$verstring" done # Before this point, $major must not contain `.'. major=.$major versuffix="$major.$revision" ;; linux) # correct to gnu/linux during the next big refactor func_arith $current - $age major=.$func_arith_result versuffix="$major.$age.$revision" ;; osf) func_arith $current - $age major=.$func_arith_result versuffix=".$current.$age.$revision" verstring="$current.$age.$revision" # Add in all the interfaces that we are compatible with. loop=$age while test "$loop" -ne 0; do func_arith $current - $loop iface=$func_arith_result func_arith $loop - 1 loop=$func_arith_result verstring="$verstring:${iface}.0" done # Make executables depend on our current version. func_append verstring ":${current}.0" ;; qnx) major=".$current" versuffix=".$current" ;; sunos) major=".$current" versuffix=".$current.$revision" ;; windows) # Use '-' rather than '.', since we only want one # extension on DOS 8.3 filesystems. func_arith $current - $age major=$func_arith_result versuffix="-$major" ;; *) func_fatal_configuration "unknown library version type \`$version_type'" ;; esac # Clear the version info if we defaulted, and they specified a release. if test -z "$vinfo" && test -n "$release"; then major= case $version_type in darwin) # we can't check for "0.0" in archive_cmds due to quoting # problems, so we reset it completely verstring= ;; *) verstring="0.0" ;; esac if test "$need_version" = no; then versuffix= else versuffix=".0.0" fi fi # Remove version info from name if versioning should be avoided if test "$avoid_version" = yes && test "$need_version" = no; then major= versuffix= verstring="" fi # Check to see if the archive will have undefined symbols. if test "$allow_undefined" = yes; then if test "$allow_undefined_flag" = unsupported; then func_warning "undefined symbols not allowed in $host shared libraries" build_libtool_libs=no build_old_libs=yes fi else # Don't allow undefined symbols. allow_undefined_flag="$no_undefined_flag" fi fi func_generate_dlsyms "$libname" "$libname" "yes" func_append libobjs " $symfileobj" test "X$libobjs" = "X " && libobjs= if test "$opt_mode" != relink; then # Remove our outputs, but don't remove object files since they # may have been created when compiling PIC objects. removelist= tempremovelist=`$ECHO "$output_objdir/*"` for p in $tempremovelist; do case $p in *.$objext | *.gcno) ;; $output_objdir/$outputname | $output_objdir/$libname.* | $output_objdir/${libname}${release}.*) if test "X$precious_files_regex" != "X"; then if $ECHO "$p" | $EGREP -e "$precious_files_regex" >/dev/null 2>&1 then continue fi fi func_append removelist " $p" ;; *) ;; esac done test -n "$removelist" && \ func_show_eval "${RM}r \$removelist" fi # Now set the variables for building old libraries. if test "$build_old_libs" = yes && test "$build_libtool_libs" != convenience ; then func_append oldlibs " $output_objdir/$libname.$libext" # Transform .lo files to .o files. oldobjs="$objs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.${libext}$/d; $lo2o" | $NL2SP` fi # Eliminate all temporary directories. #for path in $notinst_path; do # lib_search_path=`$ECHO "$lib_search_path " | $SED "s% $path % %g"` # deplibs=`$ECHO "$deplibs " | $SED "s% -L$path % %g"` # dependency_libs=`$ECHO "$dependency_libs " | $SED "s% -L$path % %g"` #done if test -n "$xrpath"; then # If the user specified any rpath flags, then add them. temp_xrpath= for libdir in $xrpath; do func_replace_sysroot "$libdir" func_append temp_xrpath " -R$func_replace_sysroot_result" case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac done if test "$hardcode_into_libs" != yes || test "$build_old_libs" = yes; then dependency_libs="$temp_xrpath $dependency_libs" fi fi # Make sure dlfiles contains only unique files that won't be dlpreopened old_dlfiles="$dlfiles" dlfiles= for lib in $old_dlfiles; do case " $dlprefiles $dlfiles " in *" $lib "*) ;; *) func_append dlfiles " $lib" ;; esac done # Make sure dlprefiles contains only unique files old_dlprefiles="$dlprefiles" dlprefiles= for lib in $old_dlprefiles; do case "$dlprefiles " in *" $lib "*) ;; *) func_append dlprefiles " $lib" ;; esac done if test "$build_libtool_libs" = yes; then if test -n "$rpath"; then case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-beos* | *-cegcc* | *-*-haiku*) # these systems don't actually have a c library (as such)! ;; *-*-rhapsody* | *-*-darwin1.[012]) # Rhapsody C library is in the System framework func_append deplibs " System.ltframework" ;; *-*-netbsd*) # Don't link with libc until the a.out ld.so is fixed. ;; *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) # Do not include libc due to us having libc/libc_r. ;; *-*-sco3.2v5* | *-*-sco5v6*) # Causes problems with __ctype ;; *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) # Compiler inserts libc in the correct place for threads to work ;; *) # Add libc to deplibs on all other systems if necessary. if test "$build_libtool_need_lc" = "yes"; then func_append deplibs " -lc" fi ;; esac fi # Transform deplibs into only deplibs that can be linked in shared. name_save=$name libname_save=$libname release_save=$release versuffix_save=$versuffix major_save=$major # I'm not sure if I'm treating the release correctly. I think # release should show up in the -l (ie -lgmp5) so we don't want to # add it in twice. Is that correct? release="" versuffix="" major="" newdeplibs= droppeddeps=no case $deplibs_check_method in pass_all) # Don't check for shared/static. Everything works. # This might be a little naive. We might want to check # whether the library exists or not. But this is on # osf3 & osf4 and I'm not really sure... Just # implementing what was already the behavior. newdeplibs=$deplibs ;; test_compile) # This code stresses the "libraries are programs" paradigm to its # limits. Maybe even breaks it. We compile a program, linking it # against the deplibs as a proxy for the library. Then we can check # whether they linked in statically or dynamically with ldd. $opt_dry_run || $RM conftest.c cat > conftest.c </dev/null` $nocaseglob else potential_libs=`ls $i/$libnameglob[.-]* 2>/dev/null` fi for potent_lib in $potential_libs; do # Follow soft links. if ls -lLd "$potent_lib" 2>/dev/null | $GREP " -> " >/dev/null; then continue fi # The statement above tries to avoid entering an # endless loop below, in case of cyclic links. # We might still enter an endless loop, since a link # loop can be closed while we follow links, # but so what? potlib="$potent_lib" while test -h "$potlib" 2>/dev/null; do potliblink=`ls -ld $potlib | ${SED} 's/.* -> //'` case $potliblink in [\\/]* | [A-Za-z]:[\\/]*) potlib="$potliblink";; *) potlib=`$ECHO "$potlib" | $SED 's,[^/]*$,,'`"$potliblink";; esac done if eval $file_magic_cmd \"\$potlib\" 2>/dev/null | $SED -e 10q | $EGREP "$file_magic_regex" > /dev/null; then func_append newdeplibs " $a_deplib" a_deplib="" break 2 fi done done fi if test -n "$a_deplib" ; then droppeddeps=yes echo $ECHO "*** Warning: linker path does not have real file for library $a_deplib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have" echo "*** because I did check the linker path looking for a file starting" if test -z "$potlib" ; then $ECHO "*** with $libname but no candidates were found. (...for file magic test)" else $ECHO "*** with $libname and none of the candidates passed a file format test" $ECHO "*** using a file magic. 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But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have" echo "*** because I did check the linker path looking for a file starting" if test -z "$potlib" ; then $ECHO "*** with $libname but no candidates were found. (...for regex pattern test)" else $ECHO "*** with $libname and none of the candidates passed a file format test" $ECHO "*** using a regex pattern. Last file checked: $potlib" fi fi ;; *) # Add a -L argument. func_append newdeplibs " $a_deplib" ;; esac done # Gone through all deplibs. ;; none | unknown | *) newdeplibs="" tmp_deplibs=`$ECHO " $deplibs" | $SED 's/ -lc$//; s/ -[LR][^ ]*//g'` if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then for i in $predeps $postdeps ; do # can't use Xsed below, because $i might contain '/' tmp_deplibs=`$ECHO " $tmp_deplibs" | $SED "s,$i,,"` done fi case $tmp_deplibs in *[!\ \ ]*) echo if test "X$deplibs_check_method" = "Xnone"; then echo "*** Warning: inter-library dependencies are not supported in this platform." else echo "*** Warning: inter-library dependencies are not known to be supported." fi echo "*** All declared inter-library dependencies are being dropped." droppeddeps=yes ;; esac ;; esac versuffix=$versuffix_save major=$major_save release=$release_save libname=$libname_save name=$name_save case $host in *-*-rhapsody* | *-*-darwin1.[012]) # On Rhapsody replace the C library with the System framework newdeplibs=`$ECHO " $newdeplibs" | $SED 's/ -lc / System.ltframework /'` ;; esac if test "$droppeddeps" = yes; then if test "$module" = yes; then echo echo "*** Warning: libtool could not satisfy all declared inter-library" $ECHO "*** dependencies of module $libname. Therefore, libtool will create" echo "*** a static module, that should work as long as the dlopening" echo "*** application is linked with the -dlopen flag." if test -z "$global_symbol_pipe"; then echo echo "*** However, this would only work if libtool was able to extract symbol" echo "*** lists from a program, using \`nm' or equivalent, but libtool could" echo "*** not find such a program. So, this module is probably useless." echo "*** \`nm' from GNU binutils and a full rebuild may help." fi if test "$build_old_libs" = no; then oldlibs="$output_objdir/$libname.$libext" build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi else echo "*** The inter-library dependencies that have been dropped here will be" echo "*** automatically added whenever a program is linked with this library" echo "*** or is declared to -dlopen it." if test "$allow_undefined" = no; then echo echo "*** Since this library must not contain undefined symbols," echo "*** because either the platform does not support them or" echo "*** it was explicitly requested with -no-undefined," echo "*** libtool will only create a static version of it." if test "$build_old_libs" = no; then oldlibs="$output_objdir/$libname.$libext" build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi fi fi fi # Done checking deplibs! deplibs=$newdeplibs fi # Time to change all our "foo.ltframework" stuff back to "-framework foo" case $host in *-*-darwin*) newdeplibs=`$ECHO " $newdeplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` new_inherited_linker_flags=`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` deplibs=`$ECHO " $deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` ;; esac # move library search paths that coincide with paths to not yet # installed libraries to the beginning of the library search list new_libs= for path in $notinst_path; do case " $new_libs " in *" -L$path/$objdir "*) ;; *) case " $deplibs " in *" -L$path/$objdir "*) func_append new_libs " -L$path/$objdir" ;; esac ;; esac done for deplib in $deplibs; do case $deplib in -L*) case " $new_libs " in *" $deplib "*) ;; *) func_append new_libs " $deplib" ;; esac ;; *) func_append new_libs " $deplib" ;; esac done deplibs="$new_libs" # All the library-specific variables (install_libdir is set above). library_names= old_library= dlname= # Test again, we may have decided not to build it any more if test "$build_libtool_libs" = yes; then # Remove ${wl} instances when linking with ld. # FIXME: should test the right _cmds variable. case $archive_cmds in *\$LD\ *) wl= ;; esac if test "$hardcode_into_libs" = yes; then # Hardcode the library paths hardcode_libdirs= dep_rpath= rpath="$finalize_rpath" test "$opt_mode" != relink && rpath="$compile_rpath$rpath" for libdir in $rpath; do if test -n "$hardcode_libdir_flag_spec"; then if test -n "$hardcode_libdir_separator"; then func_replace_sysroot "$libdir" libdir=$func_replace_sysroot_result if test -z "$hardcode_libdirs"; then hardcode_libdirs="$libdir" else # Just accumulate the unique libdirs. case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) ;; *) func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" ;; esac fi else eval flag=\"$hardcode_libdir_flag_spec\" func_append dep_rpath " $flag" fi elif test -n "$runpath_var"; then case "$perm_rpath " in *" $libdir "*) ;; *) func_append perm_rpath " $libdir" ;; esac fi done # Substitute the hardcoded libdirs into the rpath. if test -n "$hardcode_libdir_separator" && test -n "$hardcode_libdirs"; then libdir="$hardcode_libdirs" eval "dep_rpath=\"$hardcode_libdir_flag_spec\"" fi if test -n "$runpath_var" && test -n "$perm_rpath"; then # We should set the runpath_var. rpath= for dir in $perm_rpath; do func_append rpath "$dir:" done eval "$runpath_var='$rpath\$$runpath_var'; export $runpath_var" fi test -n "$dep_rpath" && deplibs="$dep_rpath $deplibs" fi shlibpath="$finalize_shlibpath" test "$opt_mode" != relink && shlibpath="$compile_shlibpath$shlibpath" if test -n "$shlibpath"; then eval "$shlibpath_var='$shlibpath\$$shlibpath_var'; export $shlibpath_var" fi # Get the real and link names of the library. eval shared_ext=\"$shrext_cmds\" eval library_names=\"$library_names_spec\" set dummy $library_names shift realname="$1" shift if test -n "$soname_spec"; then eval soname=\"$soname_spec\" else soname="$realname" fi if test -z "$dlname"; then dlname=$soname fi lib="$output_objdir/$realname" linknames= for link do func_append linknames " $link" done # Use standard objects if they are pic test -z "$pic_flag" && libobjs=`$ECHO "$libobjs" | $SP2NL | $SED "$lo2o" | $NL2SP` test "X$libobjs" = "X " && libobjs= delfiles= if test -n "$export_symbols" && test -n "$include_expsyms"; then $opt_dry_run || cp "$export_symbols" "$output_objdir/$libname.uexp" export_symbols="$output_objdir/$libname.uexp" func_append delfiles " $export_symbols" fi orig_export_symbols= case $host_os in cygwin* | mingw* | cegcc*) if test -n "$export_symbols" && test -z "$export_symbols_regex"; then # exporting using user supplied symfile if test "x`$SED 1q $export_symbols`" != xEXPORTS; then # and it's NOT already a .def file. Must figure out # which of the given symbols are data symbols and tag # them as such. So, trigger use of export_symbols_cmds. # export_symbols gets reassigned inside the "prepare # the list of exported symbols" if statement, so the # include_expsyms logic still works. orig_export_symbols="$export_symbols" export_symbols= always_export_symbols=yes fi fi ;; esac # Prepare the list of exported symbols if test -z "$export_symbols"; then if test "$always_export_symbols" = yes || test -n "$export_symbols_regex"; then func_verbose "generating symbol list for \`$libname.la'" export_symbols="$output_objdir/$libname.exp" $opt_dry_run || $RM $export_symbols cmds=$export_symbols_cmds save_ifs="$IFS"; IFS='~' for cmd1 in $cmds; do IFS="$save_ifs" # Take the normal branch if the nm_file_list_spec branch # doesn't work or if tool conversion is not needed. case $nm_file_list_spec~$to_tool_file_cmd in *~func_convert_file_noop | *~func_convert_file_msys_to_w32 | ~*) try_normal_branch=yes eval cmd=\"$cmd1\" func_len " $cmd" len=$func_len_result ;; *) try_normal_branch=no ;; esac if test "$try_normal_branch" = yes \ && { test "$len" -lt "$max_cmd_len" \ || test "$max_cmd_len" -le -1; } then func_show_eval "$cmd" 'exit $?' skipped_export=false elif test -n "$nm_file_list_spec"; then func_basename "$output" output_la=$func_basename_result save_libobjs=$libobjs save_output=$output output=${output_objdir}/${output_la}.nm func_to_tool_file "$output" libobjs=$nm_file_list_spec$func_to_tool_file_result func_append delfiles " $output" func_verbose "creating $NM input file list: $output" for obj in $save_libobjs; do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" done > "$output" eval cmd=\"$cmd1\" func_show_eval "$cmd" 'exit $?' output=$save_output libobjs=$save_libobjs skipped_export=false else # The command line is too long to execute in one step. func_verbose "using reloadable object file for export list..." skipped_export=: # Break out early, otherwise skipped_export may be # set to false by a later but shorter cmd. break fi done IFS="$save_ifs" if test -n "$export_symbols_regex" && test "X$skipped_export" != "X:"; then func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' func_show_eval '$MV "${export_symbols}T" "$export_symbols"' fi fi fi if test -n "$export_symbols" && test -n "$include_expsyms"; then tmp_export_symbols="$export_symbols" test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols" $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' fi if test "X$skipped_export" != "X:" && test -n "$orig_export_symbols"; then # The given exports_symbols file has to be filtered, so filter it. func_verbose "filter symbol list for \`$libname.la' to tag DATA exports" # FIXME: $output_objdir/$libname.filter potentially contains lots of # 's' commands which not all seds can handle. GNU sed should be fine # though. Also, the filter scales superlinearly with the number of # global variables. join(1) would be nice here, but unfortunately # isn't a blessed tool. $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter func_append delfiles " $export_symbols $output_objdir/$libname.filter" export_symbols=$output_objdir/$libname.def $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols fi tmp_deplibs= for test_deplib in $deplibs; do case " $convenience " in *" $test_deplib "*) ;; *) func_append tmp_deplibs " $test_deplib" ;; esac done deplibs="$tmp_deplibs" if test -n "$convenience"; then if test -n "$whole_archive_flag_spec" && test "$compiler_needs_object" = yes && test -z "$libobjs"; then # extract the archives, so we have objects to list. # TODO: could optimize this to just extract one archive. whole_archive_flag_spec= fi if test -n "$whole_archive_flag_spec"; then save_libobjs=$libobjs eval libobjs=\"\$libobjs $whole_archive_flag_spec\" test "X$libobjs" = "X " && libobjs= else gentop="$output_objdir/${outputname}x" func_append generated " $gentop" func_extract_archives $gentop $convenience func_append libobjs " $func_extract_archives_result" test "X$libobjs" = "X " && libobjs= fi fi if test "$thread_safe" = yes && test -n "$thread_safe_flag_spec"; then eval flag=\"$thread_safe_flag_spec\" func_append linker_flags " $flag" fi # Make a backup of the uninstalled library when relinking if test "$opt_mode" = relink; then $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}U && $MV $realname ${realname}U)' || exit $? fi # Do each of the archive commands. if test "$module" = yes && test -n "$module_cmds" ; then if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then eval test_cmds=\"$module_expsym_cmds\" cmds=$module_expsym_cmds else eval test_cmds=\"$module_cmds\" cmds=$module_cmds fi else if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then eval test_cmds=\"$archive_expsym_cmds\" cmds=$archive_expsym_cmds else eval test_cmds=\"$archive_cmds\" cmds=$archive_cmds fi fi if test "X$skipped_export" != "X:" && func_len " $test_cmds" && len=$func_len_result && test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then : else # The command line is too long to link in one step, link piecewise # or, if using GNU ld and skipped_export is not :, use a linker # script. # Save the value of $output and $libobjs because we want to # use them later. If we have whole_archive_flag_spec, we # want to use save_libobjs as it was before # whole_archive_flag_spec was expanded, because we can't # assume the linker understands whole_archive_flag_spec. # This may have to be revisited, in case too many # convenience libraries get linked in and end up exceeding # the spec. if test -z "$convenience" || test -z "$whole_archive_flag_spec"; then save_libobjs=$libobjs fi save_output=$output func_basename "$output" output_la=$func_basename_result # Clear the reloadable object creation command queue and # initialize k to one. test_cmds= concat_cmds= objlist= last_robj= k=1 if test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "$with_gnu_ld" = yes; then output=${output_objdir}/${output_la}.lnkscript func_verbose "creating GNU ld script: $output" echo 'INPUT (' > $output for obj in $save_libobjs do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" >> $output done echo ')' >> $output func_append delfiles " $output" func_to_tool_file "$output" output=$func_to_tool_file_result elif test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "X$file_list_spec" != X; then output=${output_objdir}/${output_la}.lnk func_verbose "creating linker input file list: $output" : > $output set x $save_libobjs shift firstobj= if test "$compiler_needs_object" = yes; then firstobj="$1 " shift fi for obj do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" >> $output done func_append delfiles " $output" func_to_tool_file "$output" output=$firstobj\"$file_list_spec$func_to_tool_file_result\" else if test -n "$save_libobjs"; then func_verbose "creating reloadable object files..." output=$output_objdir/$output_la-${k}.$objext eval test_cmds=\"$reload_cmds\" func_len " $test_cmds" len0=$func_len_result len=$len0 # Loop over the list of objects to be linked. for obj in $save_libobjs do func_len " $obj" func_arith $len + $func_len_result len=$func_arith_result if test "X$objlist" = X || test "$len" -lt "$max_cmd_len"; then func_append objlist " $obj" else # The command $test_cmds is almost too long, add a # command to the queue. if test "$k" -eq 1 ; then # The first file doesn't have a previous command to add. reload_objs=$objlist eval concat_cmds=\"$reload_cmds\" else # All subsequent reloadable object files will link in # the last one created. reload_objs="$objlist $last_robj" eval concat_cmds=\"\$concat_cmds~$reload_cmds~\$RM $last_robj\" fi last_robj=$output_objdir/$output_la-${k}.$objext func_arith $k + 1 k=$func_arith_result output=$output_objdir/$output_la-${k}.$objext objlist=" $obj" func_len " $last_robj" func_arith $len0 + $func_len_result len=$func_arith_result fi done # Handle the remaining objects by creating one last # reloadable object file. All subsequent reloadable object # files will link in the last one created. test -z "$concat_cmds" || concat_cmds=$concat_cmds~ reload_objs="$objlist $last_robj" eval concat_cmds=\"\${concat_cmds}$reload_cmds\" if test -n "$last_robj"; then eval concat_cmds=\"\${concat_cmds}~\$RM $last_robj\" fi func_append delfiles " $output" else output= fi if ${skipped_export-false}; then func_verbose "generating symbol list for \`$libname.la'" export_symbols="$output_objdir/$libname.exp" $opt_dry_run || $RM $export_symbols libobjs=$output # Append the command to create the export file. test -z "$concat_cmds" || concat_cmds=$concat_cmds~ eval concat_cmds=\"\$concat_cmds$export_symbols_cmds\" if test -n "$last_robj"; then eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\" fi fi test -n "$save_libobjs" && func_verbose "creating a temporary reloadable object file: $output" # Loop through the commands generated above and execute them. save_ifs="$IFS"; IFS='~' for cmd in $concat_cmds; do IFS="$save_ifs" $opt_silent || { func_quote_for_expand "$cmd" eval "func_echo $func_quote_for_expand_result" } $opt_dry_run || eval "$cmd" || { lt_exit=$? # Restore the uninstalled library and exit if test "$opt_mode" = relink; then ( cd "$output_objdir" && \ $RM "${realname}T" && \ $MV "${realname}U" "$realname" ) fi exit $lt_exit } done IFS="$save_ifs" if test -n "$export_symbols_regex" && ${skipped_export-false}; then func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' func_show_eval '$MV "${export_symbols}T" "$export_symbols"' fi fi if ${skipped_export-false}; then if test -n "$export_symbols" && test -n "$include_expsyms"; then tmp_export_symbols="$export_symbols" test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols" $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' fi if test -n "$orig_export_symbols"; then # The given exports_symbols file has to be filtered, so filter it. func_verbose "filter symbol list for \`$libname.la' to tag DATA exports" # FIXME: $output_objdir/$libname.filter potentially contains lots of # 's' commands which not all seds can handle. GNU sed should be fine # though. Also, the filter scales superlinearly with the number of # global variables. join(1) would be nice here, but unfortunately # isn't a blessed tool. $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter func_append delfiles " $export_symbols $output_objdir/$libname.filter" export_symbols=$output_objdir/$libname.def $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols fi fi libobjs=$output # Restore the value of output. output=$save_output if test -n "$convenience" && test -n "$whole_archive_flag_spec"; then eval libobjs=\"\$libobjs $whole_archive_flag_spec\" test "X$libobjs" = "X " && libobjs= fi # Expand the library linking commands again to reset the # value of $libobjs for piecewise linking. # Do each of the archive commands. if test "$module" = yes && test -n "$module_cmds" ; then if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then cmds=$module_expsym_cmds else cmds=$module_cmds fi else if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then cmds=$archive_expsym_cmds else cmds=$archive_cmds fi fi fi if test -n "$delfiles"; then # Append the command to remove temporary files to $cmds. eval cmds=\"\$cmds~\$RM $delfiles\" fi # Add any objects from preloaded convenience libraries if test -n "$dlprefiles"; then gentop="$output_objdir/${outputname}x" func_append generated " $gentop" func_extract_archives $gentop $dlprefiles func_append libobjs " $func_extract_archives_result" test "X$libobjs" = "X " && libobjs= fi save_ifs="$IFS"; IFS='~' for cmd in $cmds; do IFS="$save_ifs" eval cmd=\"$cmd\" $opt_silent || { func_quote_for_expand "$cmd" eval "func_echo $func_quote_for_expand_result" } $opt_dry_run || eval "$cmd" || { lt_exit=$? # Restore the uninstalled library and exit if test "$opt_mode" = relink; then ( cd "$output_objdir" && \ $RM "${realname}T" && \ $MV "${realname}U" "$realname" ) fi exit $lt_exit } done IFS="$save_ifs" # Restore the uninstalled library and exit if test "$opt_mode" = relink; then $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}T && $MV $realname ${realname}T && $MV ${realname}U $realname)' || exit $? if test -n "$convenience"; then if test -z "$whole_archive_flag_spec"; then func_show_eval '${RM}r "$gentop"' fi fi exit $EXIT_SUCCESS fi # Create links to the real library. for linkname in $linknames; do if test "$realname" != "$linkname"; then func_show_eval '(cd "$output_objdir" && $RM "$linkname" && $LN_S "$realname" "$linkname")' 'exit $?' fi done # If -module or -export-dynamic was specified, set the dlname. if test "$module" = yes || test "$export_dynamic" = yes; then # On all known operating systems, these are identical. dlname="$soname" fi fi ;; obj) if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then func_warning "\`-dlopen' is ignored for objects" fi case " $deplibs" in *\ -l* | *\ -L*) func_warning "\`-l' and \`-L' are ignored for objects" ;; esac test -n "$rpath" && \ func_warning "\`-rpath' is ignored for objects" test -n "$xrpath" && \ func_warning "\`-R' is ignored for objects" test -n "$vinfo" && \ func_warning "\`-version-info' is ignored for objects" test -n "$release" && \ func_warning "\`-release' is ignored for objects" case $output in *.lo) test -n "$objs$old_deplibs" && \ func_fatal_error "cannot build library object \`$output' from non-libtool objects" libobj=$output func_lo2o "$libobj" obj=$func_lo2o_result ;; *) libobj= obj="$output" ;; esac # Delete the old objects. $opt_dry_run || $RM $obj $libobj # Objects from convenience libraries. This assumes # single-version convenience libraries. Whenever we create # different ones for PIC/non-PIC, this we'll have to duplicate # the extraction. reload_conv_objs= gentop= # reload_cmds runs $LD directly, so let us get rid of # -Wl from whole_archive_flag_spec and hope we can get by with # turning comma into space.. wl= if test -n "$convenience"; then if test -n "$whole_archive_flag_spec"; then eval tmp_whole_archive_flags=\"$whole_archive_flag_spec\" reload_conv_objs=$reload_objs\ `$ECHO "$tmp_whole_archive_flags" | $SED 's|,| |g'` else gentop="$output_objdir/${obj}x" func_append generated " $gentop" func_extract_archives $gentop $convenience reload_conv_objs="$reload_objs $func_extract_archives_result" fi fi # If we're not building shared, we need to use non_pic_objs test "$build_libtool_libs" != yes && libobjs="$non_pic_objects" # Create the old-style object. reload_objs="$objs$old_deplibs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.${libext}$/d; /\.lib$/d; $lo2o" | $NL2SP`" $reload_conv_objs" ### testsuite: skip nested quoting test output="$obj" func_execute_cmds "$reload_cmds" 'exit $?' # Exit if we aren't doing a library object file. if test -z "$libobj"; then if test -n "$gentop"; then func_show_eval '${RM}r "$gentop"' fi exit $EXIT_SUCCESS fi if test "$build_libtool_libs" != yes; then if test -n "$gentop"; then func_show_eval '${RM}r "$gentop"' fi # Create an invalid libtool object if no PIC, so that we don't # accidentally link it into a program. # $show "echo timestamp > $libobj" # $opt_dry_run || eval "echo timestamp > $libobj" || exit $? exit $EXIT_SUCCESS fi if test -n "$pic_flag" || test "$pic_mode" != default; then # Only do commands if we really have different PIC objects. reload_objs="$libobjs $reload_conv_objs" output="$libobj" func_execute_cmds "$reload_cmds" 'exit $?' fi if test -n "$gentop"; then func_show_eval '${RM}r "$gentop"' fi exit $EXIT_SUCCESS ;; prog) case $host in *cygwin*) func_stripname '' '.exe' "$output" output=$func_stripname_result.exe;; esac test -n "$vinfo" && \ func_warning "\`-version-info' is ignored for programs" test -n "$release" && \ func_warning "\`-release' is ignored for programs" test "$preload" = yes \ && test "$dlopen_support" = unknown \ && test "$dlopen_self" = unknown \ && test "$dlopen_self_static" = unknown && \ func_warning "\`LT_INIT([dlopen])' not used. Assuming no dlopen support." case $host in *-*-rhapsody* | *-*-darwin1.[012]) # On Rhapsody replace the C library is the System framework compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's/ -lc / System.ltframework /'` finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's/ -lc / System.ltframework /'` ;; esac case $host in *-*-darwin*) # Don't allow lazy linking, it breaks C++ global constructors # But is supposedly fixed on 10.4 or later (yay!). if test "$tagname" = CXX ; then case ${MACOSX_DEPLOYMENT_TARGET-10.0} in 10.[0123]) func_append compile_command " ${wl}-bind_at_load" func_append finalize_command " ${wl}-bind_at_load" ;; esac fi # Time to change all our "foo.ltframework" stuff back to "-framework foo" compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` ;; esac # move library search paths that coincide with paths to not yet # installed libraries to the beginning of the library search list new_libs= for path in $notinst_path; do case " $new_libs " in *" -L$path/$objdir "*) ;; *) case " $compile_deplibs " in *" -L$path/$objdir "*) func_append new_libs " -L$path/$objdir" ;; esac ;; esac done for deplib in $compile_deplibs; do case $deplib in -L*) case " $new_libs " in *" $deplib "*) ;; *) func_append new_libs " $deplib" ;; esac ;; *) func_append new_libs " $deplib" ;; esac done compile_deplibs="$new_libs" func_append compile_command " $compile_deplibs" func_append finalize_command " $finalize_deplibs" if test -n "$rpath$xrpath"; then # If the user specified any rpath flags, then add them. for libdir in $rpath $xrpath; do # This is the magic to use -rpath. case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac done fi # Now hardcode the library paths rpath= hardcode_libdirs= for libdir in $compile_rpath $finalize_rpath; do if test -n "$hardcode_libdir_flag_spec"; then if test -n "$hardcode_libdir_separator"; then if test -z "$hardcode_libdirs"; then hardcode_libdirs="$libdir" else # Just accumulate the unique libdirs. case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) ;; *) func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" ;; esac fi else eval flag=\"$hardcode_libdir_flag_spec\" func_append rpath " $flag" fi elif test -n "$runpath_var"; then case "$perm_rpath " in *" $libdir "*) ;; *) func_append perm_rpath " $libdir" ;; esac fi case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) testbindir=`${ECHO} "$libdir" | ${SED} -e 's*/lib$*/bin*'` case :$dllsearchpath: in *":$libdir:"*) ;; ::) dllsearchpath=$libdir;; *) func_append dllsearchpath ":$libdir";; esac case :$dllsearchpath: in *":$testbindir:"*) ;; ::) dllsearchpath=$testbindir;; *) func_append dllsearchpath ":$testbindir";; esac ;; esac done # Substitute the hardcoded libdirs into the rpath. if test -n "$hardcode_libdir_separator" && test -n "$hardcode_libdirs"; then libdir="$hardcode_libdirs" eval rpath=\" $hardcode_libdir_flag_spec\" fi compile_rpath="$rpath" rpath= hardcode_libdirs= for libdir in $finalize_rpath; do if test -n "$hardcode_libdir_flag_spec"; then if test -n "$hardcode_libdir_separator"; then if test -z "$hardcode_libdirs"; then hardcode_libdirs="$libdir" else # Just accumulate the unique libdirs. case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) ;; *) func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" ;; esac fi else eval flag=\"$hardcode_libdir_flag_spec\" func_append rpath " $flag" fi elif test -n "$runpath_var"; then case "$finalize_perm_rpath " in *" $libdir "*) ;; *) func_append finalize_perm_rpath " $libdir" ;; esac fi done # Substitute the hardcoded libdirs into the rpath. if test -n "$hardcode_libdir_separator" && test -n "$hardcode_libdirs"; then libdir="$hardcode_libdirs" eval rpath=\" $hardcode_libdir_flag_spec\" fi finalize_rpath="$rpath" if test -n "$libobjs" && test "$build_old_libs" = yes; then # Transform all the library objects into standard objects. compile_command=`$ECHO "$compile_command" | $SP2NL | $SED "$lo2o" | $NL2SP` finalize_command=`$ECHO "$finalize_command" | $SP2NL | $SED "$lo2o" | $NL2SP` fi func_generate_dlsyms "$outputname" "@PROGRAM@" "no" # template prelinking step if test -n "$prelink_cmds"; then func_execute_cmds "$prelink_cmds" 'exit $?' fi wrappers_required=yes case $host in *cegcc* | *mingw32ce*) # Disable wrappers for cegcc and mingw32ce hosts, we are cross compiling anyway. wrappers_required=no ;; *cygwin* | *mingw* ) if test "$build_libtool_libs" != yes; then wrappers_required=no fi ;; *) if test "$need_relink" = no || test "$build_libtool_libs" != yes; then wrappers_required=no fi ;; esac if test "$wrappers_required" = no; then # Replace the output file specification. compile_command=`$ECHO "$compile_command" | $SED 's%@OUTPUT@%'"$output"'%g'` link_command="$compile_command$compile_rpath" # We have no uninstalled library dependencies, so finalize right now. exit_status=0 func_show_eval "$link_command" 'exit_status=$?' if test -n "$postlink_cmds"; then func_to_tool_file "$output" postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` func_execute_cmds "$postlink_cmds" 'exit $?' fi # Delete the generated files. if test -f "$output_objdir/${outputname}S.${objext}"; then func_show_eval '$RM "$output_objdir/${outputname}S.${objext}"' fi exit $exit_status fi if test -n "$compile_shlibpath$finalize_shlibpath"; then compile_command="$shlibpath_var=\"$compile_shlibpath$finalize_shlibpath\$$shlibpath_var\" $compile_command" fi if test -n "$finalize_shlibpath"; then finalize_command="$shlibpath_var=\"$finalize_shlibpath\$$shlibpath_var\" $finalize_command" fi compile_var= finalize_var= if test -n "$runpath_var"; then if test -n "$perm_rpath"; then # We should set the runpath_var. rpath= for dir in $perm_rpath; do func_append rpath "$dir:" done compile_var="$runpath_var=\"$rpath\$$runpath_var\" " fi if test -n "$finalize_perm_rpath"; then # We should set the runpath_var. rpath= for dir in $finalize_perm_rpath; do func_append rpath "$dir:" done finalize_var="$runpath_var=\"$rpath\$$runpath_var\" " fi fi if test "$no_install" = yes; then # We don't need to create a wrapper script. link_command="$compile_var$compile_command$compile_rpath" # Replace the output file specification. link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output"'%g'` # Delete the old output file. $opt_dry_run || $RM $output # Link the executable and exit func_show_eval "$link_command" 'exit $?' if test -n "$postlink_cmds"; then func_to_tool_file "$output" postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` func_execute_cmds "$postlink_cmds" 'exit $?' fi exit $EXIT_SUCCESS fi if test "$hardcode_action" = relink; then # Fast installation is not supported link_command="$compile_var$compile_command$compile_rpath" relink_command="$finalize_var$finalize_command$finalize_rpath" func_warning "this platform does not like uninstalled shared libraries" func_warning "\`$output' will be relinked during installation" else if test "$fast_install" != no; then link_command="$finalize_var$compile_command$finalize_rpath" if test "$fast_install" = yes; then relink_command=`$ECHO "$compile_var$compile_command$compile_rpath" | $SED 's%@OUTPUT@%\$progdir/\$file%g'` else # fast_install is set to needless relink_command= fi else link_command="$compile_var$compile_command$compile_rpath" relink_command="$finalize_var$finalize_command$finalize_rpath" fi fi # Replace the output file specification. link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output_objdir/$outputname"'%g'` # Delete the old output files. $opt_dry_run || $RM $output $output_objdir/$outputname $output_objdir/lt-$outputname func_show_eval "$link_command" 'exit $?' if test -n "$postlink_cmds"; then func_to_tool_file "$output_objdir/$outputname" postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output_objdir/$outputname"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` func_execute_cmds "$postlink_cmds" 'exit $?' fi # Now create the wrapper script. func_verbose "creating $output" # Quote the relink command for shipping. if test -n "$relink_command"; then # Preserve any variables that may affect compiler behavior for var in $variables_saved_for_relink; do if eval test -z \"\${$var+set}\"; then relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command" elif eval var_value=\$$var; test -z "$var_value"; then relink_command="$var=; export $var; $relink_command" else func_quote_for_eval "$var_value" relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command" fi done relink_command="(cd `pwd`; $relink_command)" relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"` fi # Only actually do things if not in dry run mode. $opt_dry_run || { # win32 will think the script is a binary if it has # a .exe suffix, so we strip it off here. case $output in *.exe) func_stripname '' '.exe' "$output" output=$func_stripname_result ;; esac # test for cygwin because mv fails w/o .exe extensions case $host in *cygwin*) exeext=.exe func_stripname '' '.exe' "$outputname" outputname=$func_stripname_result ;; *) exeext= ;; esac case $host in *cygwin* | *mingw* ) func_dirname_and_basename "$output" "" "." output_name=$func_basename_result output_path=$func_dirname_result cwrappersource="$output_path/$objdir/lt-$output_name.c" cwrapper="$output_path/$output_name.exe" $RM $cwrappersource $cwrapper trap "$RM $cwrappersource $cwrapper; exit $EXIT_FAILURE" 1 2 15 func_emit_cwrapperexe_src > $cwrappersource # The wrapper executable is built using the $host compiler, # because it contains $host paths and files. If cross- # compiling, it, like the target executable, must be # executed on the $host or under an emulation environment. $opt_dry_run || { $LTCC $LTCFLAGS -o $cwrapper $cwrappersource $STRIP $cwrapper } # Now, create the wrapper script for func_source use: func_ltwrapper_scriptname $cwrapper $RM $func_ltwrapper_scriptname_result trap "$RM $func_ltwrapper_scriptname_result; exit $EXIT_FAILURE" 1 2 15 $opt_dry_run || { # note: this script will not be executed, so do not chmod. if test "x$build" = "x$host" ; then $cwrapper --lt-dump-script > $func_ltwrapper_scriptname_result else func_emit_wrapper no > $func_ltwrapper_scriptname_result fi } ;; * ) $RM $output trap "$RM $output; exit $EXIT_FAILURE" 1 2 15 func_emit_wrapper no > $output chmod +x $output ;; esac } exit $EXIT_SUCCESS ;; esac # See if we need to build an old-fashioned archive. for oldlib in $oldlibs; do if test "$build_libtool_libs" = convenience; then oldobjs="$libobjs_save $symfileobj" addlibs="$convenience" build_libtool_libs=no else if test "$build_libtool_libs" = module; then oldobjs="$libobjs_save" build_libtool_libs=no else oldobjs="$old_deplibs $non_pic_objects" if test "$preload" = yes && test -f "$symfileobj"; then func_append oldobjs " $symfileobj" fi fi addlibs="$old_convenience" fi if test -n "$addlibs"; then gentop="$output_objdir/${outputname}x" func_append generated " $gentop" func_extract_archives $gentop $addlibs func_append oldobjs " $func_extract_archives_result" fi # Do each command in the archive commands. if test -n "$old_archive_from_new_cmds" && test "$build_libtool_libs" = yes; then cmds=$old_archive_from_new_cmds else # Add any objects from preloaded convenience libraries if test -n "$dlprefiles"; then gentop="$output_objdir/${outputname}x" func_append generated " $gentop" func_extract_archives $gentop $dlprefiles func_append oldobjs " $func_extract_archives_result" fi # POSIX demands no paths to be encoded in archives. We have # to avoid creating archives with duplicate basenames if we # might have to extract them afterwards, e.g., when creating a # static archive out of a convenience library, or when linking # the entirety of a libtool archive into another (currently # not supported by libtool). if (for obj in $oldobjs do func_basename "$obj" $ECHO "$func_basename_result" done | sort | sort -uc >/dev/null 2>&1); then : else echo "copying selected object files to avoid basename conflicts..." gentop="$output_objdir/${outputname}x" func_append generated " $gentop" func_mkdir_p "$gentop" save_oldobjs=$oldobjs oldobjs= counter=1 for obj in $save_oldobjs do func_basename "$obj" objbase="$func_basename_result" case " $oldobjs " in " ") oldobjs=$obj ;; *[\ /]"$objbase "*) while :; do # Make sure we don't pick an alternate name that also # overlaps. newobj=lt$counter-$objbase func_arith $counter + 1 counter=$func_arith_result case " $oldobjs " in *[\ /]"$newobj "*) ;; *) if test ! -f "$gentop/$newobj"; then break; fi ;; esac done func_show_eval "ln $obj $gentop/$newobj || cp $obj $gentop/$newobj" func_append oldobjs " $gentop/$newobj" ;; *) func_append oldobjs " $obj" ;; esac done fi func_to_tool_file "$oldlib" func_convert_file_msys_to_w32 tool_oldlib=$func_to_tool_file_result eval cmds=\"$old_archive_cmds\" func_len " $cmds" len=$func_len_result if test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then cmds=$old_archive_cmds elif test -n "$archiver_list_spec"; then func_verbose "using command file archive linking..." for obj in $oldobjs do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" done > $output_objdir/$libname.libcmd func_to_tool_file "$output_objdir/$libname.libcmd" oldobjs=" $archiver_list_spec$func_to_tool_file_result" cmds=$old_archive_cmds else # the command line is too long to link in one step, link in parts func_verbose "using piecewise archive linking..." save_RANLIB=$RANLIB RANLIB=: objlist= concat_cmds= save_oldobjs=$oldobjs oldobjs= # Is there a better way of finding the last object in the list? for obj in $save_oldobjs do last_oldobj=$obj done eval test_cmds=\"$old_archive_cmds\" func_len " $test_cmds" len0=$func_len_result len=$len0 for obj in $save_oldobjs do func_len " $obj" func_arith $len + $func_len_result len=$func_arith_result func_append objlist " $obj" if test "$len" -lt "$max_cmd_len"; then : else # the above command should be used before it gets too long oldobjs=$objlist if test "$obj" = "$last_oldobj" ; then RANLIB=$save_RANLIB fi test -z "$concat_cmds" || concat_cmds=$concat_cmds~ eval concat_cmds=\"\${concat_cmds}$old_archive_cmds\" objlist= len=$len0 fi done RANLIB=$save_RANLIB oldobjs=$objlist if test "X$oldobjs" = "X" ; then eval cmds=\"\$concat_cmds\" else eval cmds=\"\$concat_cmds~\$old_archive_cmds\" fi fi fi func_execute_cmds "$cmds" 'exit $?' done test -n "$generated" && \ func_show_eval "${RM}r$generated" # Now create the libtool archive. case $output in *.la) old_library= test "$build_old_libs" = yes && old_library="$libname.$libext" func_verbose "creating $output" # Preserve any variables that may affect compiler behavior for var in $variables_saved_for_relink; do if eval test -z \"\${$var+set}\"; then relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command" elif eval var_value=\$$var; test -z "$var_value"; then relink_command="$var=; export $var; $relink_command" else func_quote_for_eval "$var_value" relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command" fi done # Quote the link command for shipping. relink_command="(cd `pwd`; $SHELL $progpath $preserve_args --mode=relink $libtool_args @inst_prefix_dir@)" relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"` if test "$hardcode_automatic" = yes ; then relink_command= fi # Only create the output if not a dry run. $opt_dry_run || { for installed in no yes; do if test "$installed" = yes; then if test -z "$install_libdir"; then break fi output="$output_objdir/$outputname"i # Replace all uninstalled libtool libraries with the installed ones newdependency_libs= for deplib in $dependency_libs; do case $deplib in *.la) func_basename "$deplib" name="$func_basename_result" func_resolve_sysroot "$deplib" eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $func_resolve_sysroot_result` test -z "$libdir" && \ func_fatal_error "\`$deplib' is not a valid libtool archive" func_append newdependency_libs " ${lt_sysroot:+=}$libdir/$name" ;; -L*) func_stripname -L '' "$deplib" func_replace_sysroot "$func_stripname_result" func_append newdependency_libs " -L$func_replace_sysroot_result" ;; -R*) func_stripname -R '' "$deplib" func_replace_sysroot "$func_stripname_result" func_append newdependency_libs " -R$func_replace_sysroot_result" ;; *) func_append newdependency_libs " $deplib" ;; esac done dependency_libs="$newdependency_libs" newdlfiles= for lib in $dlfiles; do case $lib in *.la) func_basename "$lib" name="$func_basename_result" eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $lib` test -z "$libdir" && \ func_fatal_error "\`$lib' is not a valid libtool archive" func_append newdlfiles " ${lt_sysroot:+=}$libdir/$name" ;; *) func_append newdlfiles " $lib" ;; esac done dlfiles="$newdlfiles" newdlprefiles= for lib in $dlprefiles; do case $lib in *.la) # Only pass preopened files to the pseudo-archive (for # eventual linking with the app. that links it) if we # didn't already link the preopened objects directly into # the library: func_basename "$lib" name="$func_basename_result" eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $lib` test -z "$libdir" && \ func_fatal_error "\`$lib' is not a valid libtool archive" func_append newdlprefiles " ${lt_sysroot:+=}$libdir/$name" ;; esac done dlprefiles="$newdlprefiles" else newdlfiles= for lib in $dlfiles; do case $lib in [\\/]* | [A-Za-z]:[\\/]*) abs="$lib" ;; *) abs=`pwd`"/$lib" ;; esac func_append newdlfiles " $abs" done dlfiles="$newdlfiles" newdlprefiles= for lib in $dlprefiles; do case $lib in [\\/]* | [A-Za-z]:[\\/]*) abs="$lib" ;; *) abs=`pwd`"/$lib" ;; esac func_append newdlprefiles " $abs" done dlprefiles="$newdlprefiles" fi $RM $output # place dlname in correct position for cygwin # In fact, it would be nice if we could use this code for all target # systems that can't hard-code library paths into their executables # and that have no shared library path variable independent of PATH, # but it turns out we can't easily determine that from inspecting # libtool variables, so we have to hard-code the OSs to which it # applies here; at the moment, that means platforms that use the PE # object format with DLL files. See the long comment at the top of # tests/bindir.at for full details. tdlname=$dlname case $host,$output,$installed,$module,$dlname in *cygwin*,*lai,yes,no,*.dll | *mingw*,*lai,yes,no,*.dll | *cegcc*,*lai,yes,no,*.dll) # If a -bindir argument was supplied, place the dll there. if test "x$bindir" != x ; then func_relative_path "$install_libdir" "$bindir" tdlname=$func_relative_path_result$dlname else # Otherwise fall back on heuristic. tdlname=../bin/$dlname fi ;; esac $ECHO > $output "\ # $outputname - a libtool library file # Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION # # Please DO NOT delete this file! # It is necessary for linking the library. # The name that we can dlopen(3). dlname='$tdlname' # Names of this library. library_names='$library_names' # The name of the static archive. old_library='$old_library' # Linker flags that can not go in dependency_libs. inherited_linker_flags='$new_inherited_linker_flags' # Libraries that this one depends upon. dependency_libs='$dependency_libs' # Names of additional weak libraries provided by this library weak_library_names='$weak_libs' # Version information for $libname. current=$current age=$age revision=$revision # Is this an already installed library? installed=$installed # Should we warn about portability when linking against -modules? shouldnotlink=$module # Files to dlopen/dlpreopen dlopen='$dlfiles' dlpreopen='$dlprefiles' # Directory that this library needs to be installed in: libdir='$install_libdir'" if test "$installed" = no && test "$need_relink" = yes; then $ECHO >> $output "\ relink_command=\"$relink_command\"" fi done } # Do a symbolic link so that the libtool archive can be found in # LD_LIBRARY_PATH before the program is installed. func_show_eval '( cd "$output_objdir" && $RM "$outputname" && $LN_S "../$outputname" "$outputname" )' 'exit $?' ;; esac exit $EXIT_SUCCESS } { test "$opt_mode" = link || test "$opt_mode" = relink; } && func_mode_link ${1+"$@"} # func_mode_uninstall arg... func_mode_uninstall () { $opt_debug RM="$nonopt" files= rmforce= exit_status=0 # This variable tells wrapper scripts just to set variables rather # than running their programs. libtool_install_magic="$magic" for arg do case $arg in -f) func_append RM " $arg"; rmforce=yes ;; -*) func_append RM " $arg" ;; *) func_append files " $arg" ;; esac done test -z "$RM" && \ func_fatal_help "you must specify an RM program" rmdirs= for file in $files; do func_dirname "$file" "" "." dir="$func_dirname_result" if test "X$dir" = X.; then odir="$objdir" else odir="$dir/$objdir" fi func_basename "$file" name="$func_basename_result" test "$opt_mode" = uninstall && odir="$dir" # Remember odir for removal later, being careful to avoid duplicates if test "$opt_mode" = clean; then case " $rmdirs " in *" $odir "*) ;; *) func_append rmdirs " $odir" ;; esac fi # Don't error if the file doesn't exist and rm -f was used. if { test -L "$file"; } >/dev/null 2>&1 || { test -h "$file"; } >/dev/null 2>&1 || test -f "$file"; then : elif test -d "$file"; then exit_status=1 continue elif test "$rmforce" = yes; then continue fi rmfiles="$file" case $name in *.la) # Possibly a libtool archive, so verify it. if func_lalib_p "$file"; then func_source $dir/$name # Delete the libtool libraries and symlinks. for n in $library_names; do func_append rmfiles " $odir/$n" done test -n "$old_library" && func_append rmfiles " $odir/$old_library" case "$opt_mode" in clean) case " $library_names " in *" $dlname "*) ;; *) test -n "$dlname" && func_append rmfiles " $odir/$dlname" ;; esac test -n "$libdir" && func_append rmfiles " $odir/$name $odir/${name}i" ;; uninstall) if test -n "$library_names"; then # Do each command in the postuninstall commands. func_execute_cmds "$postuninstall_cmds" 'test "$rmforce" = yes || exit_status=1' fi if test -n "$old_library"; then # Do each command in the old_postuninstall commands. func_execute_cmds "$old_postuninstall_cmds" 'test "$rmforce" = yes || exit_status=1' fi # FIXME: should reinstall the best remaining shared library. ;; esac fi ;; *.lo) # Possibly a libtool object, so verify it. if func_lalib_p "$file"; then # Read the .lo file func_source $dir/$name # Add PIC object to the list of files to remove. if test -n "$pic_object" && test "$pic_object" != none; then func_append rmfiles " $dir/$pic_object" fi # Add non-PIC object to the list of files to remove. if test -n "$non_pic_object" && test "$non_pic_object" != none; then func_append rmfiles " $dir/$non_pic_object" fi fi ;; *) if test "$opt_mode" = clean ; then noexename=$name case $file in *.exe) func_stripname '' '.exe' "$file" file=$func_stripname_result func_stripname '' '.exe' "$name" noexename=$func_stripname_result # $file with .exe has already been added to rmfiles, # add $file without .exe func_append rmfiles " $file" ;; esac # Do a test to see if this is a libtool program. if func_ltwrapper_p "$file"; then if func_ltwrapper_executable_p "$file"; then func_ltwrapper_scriptname "$file" relink_command= func_source $func_ltwrapper_scriptname_result func_append rmfiles " $func_ltwrapper_scriptname_result" else relink_command= func_source $dir/$noexename fi # note $name still contains .exe if it was in $file originally # as does the version of $file that was added into $rmfiles func_append rmfiles " $odir/$name $odir/${name}S.${objext}" if test "$fast_install" = yes && test -n "$relink_command"; then func_append rmfiles " $odir/lt-$name" fi if test "X$noexename" != "X$name" ; then func_append rmfiles " $odir/lt-${noexename}.c" fi fi fi ;; esac func_show_eval "$RM $rmfiles" 'exit_status=1' done # Try to remove the ${objdir}s in the directories where we deleted files for dir in $rmdirs; do if test -d "$dir"; then func_show_eval "rmdir $dir >/dev/null 2>&1" fi done exit $exit_status } { test "$opt_mode" = uninstall || test "$opt_mode" = clean; } && func_mode_uninstall ${1+"$@"} test -z "$opt_mode" && { help="$generic_help" func_fatal_help "you must specify a MODE" } test -z "$exec_cmd" && \ func_fatal_help "invalid operation mode \`$opt_mode'" if test -n "$exec_cmd"; then eval exec "$exec_cmd" exit $EXIT_FAILURE fi exit $exit_status # The TAGs below are defined such that we never get into a situation # in which we disable both kinds of libraries. Given conflicting # choices, we go for a static library, that is the most portable, # since we can't tell whether shared libraries were disabled because # the user asked for that or because the platform doesn't support # them. This is particularly important on AIX, because we don't # support having both static and shared libraries enabled at the same # time on that platform, so we default to a shared-only configuration. # If a disable-shared tag is given, we'll fallback to a static-only # configuration. But we'll never go from static-only to shared-only. # ### BEGIN LIBTOOL TAG CONFIG: disable-shared build_libtool_libs=no build_old_libs=yes # ### END LIBTOOL TAG CONFIG: disable-shared # ### BEGIN LIBTOOL TAG CONFIG: disable-static build_old_libs=`case $build_libtool_libs in yes) echo no;; *) echo yes;; esac` # ### END LIBTOOL TAG CONFIG: disable-static # Local Variables: # mode:shell-script # sh-indentation:2 # End: # vi:sw=2 libnice-0.1.4/scripts/0000775000175000017500000000000012112010565011604 500000000000000libnice-0.1.4/scripts/make-symbol-list.sh0000755000175000017500000000021611241364464015265 00000000000000#!/bin/sh test -n "$1" || exit 1 nm --print-file-name --defined-only --extern-only "$1" | \ cut -d ' ' -f 2,3 | \ grep -v '^[rA]' | \ sort libnice-0.1.4/scripts/lcov.mk0000644000175000017500000000134211241364464013032 00000000000000 # ccache breaks -fprofile-arcs export CCACHE_DISABLE=1 OUT=lcov lcov-clean: $(MAKE) clean find -name "*.gcno" -o -name "*.gcda" -exec rm '{}' ';' rm -rf $(OUT) lcov-build: $(MAKE) CFLAGS="-O0 -fprofile-arcs -ftest-coverage" LDFLAGS="-lgcov" check lcov-report: # hack: move gcov file from libraries back to source directory for dir in `find -name .libs`; do \ (cd `dirname $$dir`; mv .libs/*.gc?? . || true) 2>/dev/null; \ done mkdir -p $(OUT) lcov -d . -c >$(OUT)/lcov.info 2>/dev/null lcov -l $(OUT)/lcov.info 2>/dev/null |\ egrep '(^/usr|/test.*\.c)' |\ cut -d: -f1 >$(OUT)/lcov.remove lcov -r $(OUT)/lcov.info `cat $(OUT)/lcov.remove` 2>/dev/null >$(OUT)/lcov.info.clean genhtml -o lcov $(OUT)/lcov.info.clean libnice-0.1.4/scripts/lcov.sh0000755000175000017500000000017611241364464013044 00000000000000#!/bin/sh make -f scripts/lcov.mk lcov-clean && \ make -f scripts/lcov.mk lcov-build && \ make -f scripts/lcov.mk lcov-report libnice-0.1.4/scripts/check-symbols.sh0000755000175000017500000000135611241364464014645 00000000000000#!/bin/sh usage() { echo "usage: $0 library symbol-file" exit 1 } test -n "$1" || usage lib="$1" test -n "$2" || usage symbol_file="$2" make_symbol_list=`dirname $0`/make-symbol-list.sh test -f "$make_symbol_list" || exit 1 if ! test -f "$symbol_file"; then echo "$symbol_file doesn't exist" exit 1 fi diff=`sh $make_symbol_list "$lib" | \ diff -uB "$symbol_file" - | tail -n +3` # stop if there are no differences test -z "$diff" && exit 0 echo "symbols for $lib changed" if echo "$diff" | grep -q '^-'; then echo " missing:" echo "$diff" | grep '^-' | cut -b 2- | \ xargs -i echo " " "{}" fi if echo "$diff" | grep -q '^+'; then echo " extra:" echo "$diff" | grep '^+' | cut -b 2- | \ xargs -i echo " " "{}" fi exit 1 libnice-0.1.4/scripts/valgrind.sh0000755000175000017500000000065111241364464013705 00000000000000#!/bin/sh export G_SLICE=always-malloc export G_DEBUG=gc-friendly report=`libtool --mode=execute valgrind \ --leak-check=full \ --show-reachable=no \ --error-exitcode=1 \ $1 2>&1` #if echo "$report" | grep -q ==; then if test $? != 0; then echo "$report" exit 1 fi if echo "$report" | grep -q "definitely lost"; then if ! echo "$report" | grep -q "definitely lost: 0 bytes"; then echo "$report" exit 1 fi fi libnice-0.1.4/ChangeLog0000644000175000017500000000000011241364464011607 00000000000000libnice-0.1.4/COPYING.MPL0000644000175000017500000006207111241364464011537 00000000000000 MOZILLA PUBLIC LICENSE Version 1.1 --------------- 1. Definitions. 1.0.1. "Commercial Use" means distribution or otherwise making the Covered Code available to a third party. 1.1. "Contributor" means each entity that creates or contributes to the creation of Modifications. 1.2. "Contributor Version" means the combination of the Original Code, prior Modifications used by a Contributor, and the Modifications made by that particular Contributor. 1.3. "Covered Code" means the Original Code or Modifications or the combination of the Original Code and Modifications, in each case including portions thereof. 1.4. "Electronic Distribution Mechanism" means a mechanism generally accepted in the software development community for the electronic transfer of data. 1.5. "Executable" means Covered Code in any form other than Source Code. 1.6. "Initial Developer" means the individual or entity identified as the Initial Developer in the Source Code notice required by Exhibit A. 1.7. "Larger Work" means a work which combines Covered Code or portions thereof with code not governed by the terms of this License. 1.8. "License" means this document. 1.8.1. "Licensable" means having the right to grant, to the maximum extent possible, whether at the time of the initial grant or subsequently acquired, any and all of the rights conveyed herein. 1.9. "Modifications" means any addition to or deletion from the substance or structure of either the Original Code or any previous Modifications. When Covered Code is released as a series of files, a Modification is: A. Any addition to or deletion from the contents of a file containing Original Code or previous Modifications. B. Any new file that contains any part of the Original Code or previous Modifications. 1.10. "Original Code" means Source Code of computer software code which is described in the Source Code notice required by Exhibit A as Original Code, and which, at the time of its release under this License is not already Covered Code governed by this License. 1.10.1. "Patent Claims" means any patent claim(s), now owned or hereafter acquired, including without limitation, method, process, and apparatus claims, in any patent Licensable by grantor. 1.11. "Source Code" means the preferred form of the Covered Code for making modifications to it, including all modules it contains, plus any associated interface definition files, scripts used to control compilation and installation of an Executable, or source code differential comparisons against either the Original Code or another well known, available Covered Code of the Contributor's choice. The Source Code can be in a compressed or archival form, provided the appropriate decompression or de-archiving software is widely available for no charge. 1.12. "You" (or "Your") means an individual or a legal entity exercising rights under, and complying with all of the terms of, this License or a future version of this License issued under Section 6.1. For legal entities, "You" includes any entity which controls, is controlled by, or is under common control with You. For purposes of this definition, "control" means (a) the power, direct or indirect, to cause the direction or management of such entity, whether by contract or otherwise, or (b) ownership of more than fifty percent (50%) of the outstanding shares or beneficial ownership of such entity. 2. Source Code License. 2.1. The Initial Developer Grant. The Initial Developer hereby grants You a world-wide, royalty-free, non-exclusive license, subject to third party intellectual property claims: (a) under intellectual property rights (other than patent or trademark) Licensable by Initial Developer to use, reproduce, modify, display, perform, sublicense and distribute the Original Code (or portions thereof) with or without Modifications, and/or as part of a Larger Work; and (b) under Patents Claims infringed by the making, using or selling of Original Code, to make, have made, use, practice, sell, and offer for sale, and/or otherwise dispose of the Original Code (or portions thereof). (c) the licenses granted in this Section 2.1(a) and (b) are effective on the date Initial Developer first distributes Original Code under the terms of this License. (d) Notwithstanding Section 2.1(b) above, no patent license is granted: 1) for code that You delete from the Original Code; 2) separate from the Original Code; or 3) for infringements caused by: i) the modification of the Original Code or ii) the combination of the Original Code with other software or devices. 2.2. Contributor Grant. Subject to third party intellectual property claims, each Contributor hereby grants You a world-wide, royalty-free, non-exclusive license (a) under intellectual property rights (other than patent or trademark) Licensable by Contributor, to use, reproduce, modify, display, perform, sublicense and distribute the Modifications created by such Contributor (or portions thereof) either on an unmodified basis, with other Modifications, as Covered Code and/or as part of a Larger Work; and (b) under Patent Claims infringed by the making, using, or selling of Modifications made by that Contributor either alone and/or in combination with its Contributor Version (or portions of such combination), to make, use, sell, offer for sale, have made, and/or otherwise dispose of: 1) Modifications made by that Contributor (or portions thereof); and 2) the combination of Modifications made by that Contributor with its Contributor Version (or portions of such combination). (c) the licenses granted in Sections 2.2(a) and 2.2(b) are effective on the date Contributor first makes Commercial Use of the Covered Code. (d) Notwithstanding Section 2.2(b) above, no patent license is granted: 1) for any code that Contributor has deleted from the Contributor Version; 2) separate from the Contributor Version; 3) for infringements caused by: i) third party modifications of Contributor Version or ii) the combination of Modifications made by that Contributor with other software (except as part of the Contributor Version) or other devices; or 4) under Patent Claims infringed by Covered Code in the absence of Modifications made by that Contributor. 3. Distribution Obligations. 3.1. Application of License. The Modifications which You create or to which You contribute are governed by the terms of this License, including without limitation Section 2.2. The Source Code version of Covered Code may be distributed only under the terms of this License or a future version of this License released under Section 6.1, and You must include a copy of this License with every copy of the Source Code You distribute. You may not offer or impose any terms on any Source Code version that alters or restricts the applicable version of this License or the recipients' rights hereunder. However, You may include an additional document offering the additional rights described in Section 3.5. 3.2. Availability of Source Code. Any Modification which You create or to which You contribute must be made available in Source Code form under the terms of this License either on the same media as an Executable version or via an accepted Electronic Distribution Mechanism to anyone to whom you made an Executable version available; and if made available via Electronic Distribution Mechanism, must remain available for at least twelve (12) months after the date it initially became available, or at least six (6) months after a subsequent version of that particular Modification has been made available to such recipients. You are responsible for ensuring that the Source Code version remains available even if the Electronic Distribution Mechanism is maintained by a third party. 3.3. Description of Modifications. You must cause all Covered Code to which You contribute to contain a file documenting the changes You made to create that Covered Code and the date of any change. You must include a prominent statement that the Modification is derived, directly or indirectly, from Original Code provided by the Initial Developer and including the name of the Initial Developer in (a) the Source Code, and (b) in any notice in an Executable version or related documentation in which You describe the origin or ownership of the Covered Code. 3.4. Intellectual Property Matters (a) Third Party Claims. If Contributor has knowledge that a license under a third party's intellectual property rights is required to exercise the rights granted by such Contributor under Sections 2.1 or 2.2, Contributor must include a text file with the Source Code distribution titled "LEGAL" which describes the claim and the party making the claim in sufficient detail that a recipient will know whom to contact. If Contributor obtains such knowledge after the Modification is made available as described in Section 3.2, Contributor shall promptly modify the LEGAL file in all copies Contributor makes available thereafter and shall take other steps (such as notifying appropriate mailing lists or newsgroups) reasonably calculated to inform those who received the Covered Code that new knowledge has been obtained. (b) Contributor APIs. If Contributor's Modifications include an application programming interface and Contributor has knowledge of patent licenses which are reasonably necessary to implement that API, Contributor must also include this information in the LEGAL file. (c) Representations. Contributor represents that, except as disclosed pursuant to Section 3.4(a) above, Contributor believes that Contributor's Modifications are Contributor's original creation(s) and/or Contributor has sufficient rights to grant the rights conveyed by this License. 3.5. Required Notices. You must duplicate the notice in Exhibit A in each file of the Source Code. If it is not possible to put such notice in a particular Source Code file due to its structure, then You must include such notice in a location (such as a relevant directory) where a user would be likely to look for such a notice. If You created one or more Modification(s) You may add your name as a Contributor to the notice described in Exhibit A. You must also duplicate this License in any documentation for the Source Code where You describe recipients' rights or ownership rights relating to Covered Code. You may choose to offer, and to charge a fee for, warranty, support, indemnity or liability obligations to one or more recipients of Covered Code. However, You may do so only on Your own behalf, and not on behalf of the Initial Developer or any Contributor. You must make it absolutely clear than any such warranty, support, indemnity or liability obligation is offered by You alone, and You hereby agree to indemnify the Initial Developer and every Contributor for any liability incurred by the Initial Developer or such Contributor as a result of warranty, support, indemnity or liability terms You offer. 3.6. Distribution of Executable Versions. You may distribute Covered Code in Executable form only if the requirements of Section 3.1-3.5 have been met for that Covered Code, and if You include a notice stating that the Source Code version of the Covered Code is available under the terms of this License, including a description of how and where You have fulfilled the obligations of Section 3.2. The notice must be conspicuously included in any notice in an Executable version, related documentation or collateral in which You describe recipients' rights relating to the Covered Code. You may distribute the Executable version of Covered Code or ownership rights under a license of Your choice, which may contain terms different from this License, provided that You are in compliance with the terms of this License and that the license for the Executable version does not attempt to limit or alter the recipient's rights in the Source Code version from the rights set forth in this License. If You distribute the Executable version under a different license You must make it absolutely clear that any terms which differ from this License are offered by You alone, not by the Initial Developer or any Contributor. You hereby agree to indemnify the Initial Developer and every Contributor for any liability incurred by the Initial Developer or such Contributor as a result of any such terms You offer. 3.7. Larger Works. You may create a Larger Work by combining Covered Code with other code not governed by the terms of this License and distribute the Larger Work as a single product. In such a case, You must make sure the requirements of this License are fulfilled for the Covered Code. 4. Inability to Comply Due to Statute or Regulation. If it is impossible for You to comply with any of the terms of this License with respect to some or all of the Covered Code due to statute, judicial order, or regulation then You must: (a) comply with the terms of this License to the maximum extent possible; and (b) describe the limitations and the code they affect. Such description must be included in the LEGAL file described in Section 3.4 and must be included with all distributions of the Source Code. Except to the extent prohibited by statute or regulation, such description must be sufficiently detailed for a recipient of ordinary skill to be able to understand it. 5. Application of this License. This License applies to code to which the Initial Developer has attached the notice in Exhibit A and to related Covered Code. 6. Versions of the License. 6.1. New Versions. Netscape Communications Corporation ("Netscape") may publish revised and/or new versions of the License from time to time. Each version will be given a distinguishing version number. 6.2. Effect of New Versions. Once Covered Code has been published under a particular version of the License, You may always continue to use it under the terms of that version. You may also choose to use such Covered Code under the terms of any subsequent version of the License published by Netscape. No one other than Netscape has the right to modify the terms applicable to Covered Code created under this License. 6.3. Derivative Works. If You create or use a modified version of this License (which you may only do in order to apply it to code which is not already Covered Code governed by this License), You must (a) rename Your license so that the phrases "Mozilla", "MOZILLAPL", "MOZPL", "Netscape", "MPL", "NPL" or any confusingly similar phrase do not appear in your license (except to note that your license differs from this License) and (b) otherwise make it clear that Your version of the license contains terms which differ from the Mozilla Public License and Netscape Public License. (Filling in the name of the Initial Developer, Original Code or Contributor in the notice described in Exhibit A shall not of themselves be deemed to be modifications of this License.) 7. DISCLAIMER OF WARRANTY. COVERED CODE IS PROVIDED UNDER THIS LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, WARRANTIES THAT THE COVERED CODE IS FREE OF DEFECTS, MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE OR NON-INFRINGING. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE COVERED CODE IS WITH YOU. SHOULD ANY COVERED CODE PROVE DEFECTIVE IN ANY RESPECT, YOU (NOT THE INITIAL DEVELOPER OR ANY OTHER CONTRIBUTOR) ASSUME THE COST OF ANY NECESSARY SERVICING, REPAIR OR CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS LICENSE. NO USE OF ANY COVERED CODE IS AUTHORIZED HEREUNDER EXCEPT UNDER THIS DISCLAIMER. 8. TERMINATION. 8.1. This License and the rights granted hereunder will terminate automatically if You fail to comply with terms herein and fail to cure such breach within 30 days of becoming aware of the breach. All sublicenses to the Covered Code which are properly granted shall survive any termination of this License. Provisions which, by their nature, must remain in effect beyond the termination of this License shall survive. 8.2. If You initiate litigation by asserting a patent infringement claim (excluding declatory judgment actions) against Initial Developer or a Contributor (the Initial Developer or Contributor against whom You file such action is referred to as "Participant") alleging that: (a) such Participant's Contributor Version directly or indirectly infringes any patent, then any and all rights granted by such Participant to You under Sections 2.1 and/or 2.2 of this License shall, upon 60 days notice from Participant terminate prospectively, unless if within 60 days after receipt of notice You either: (i) agree in writing to pay Participant a mutually agreeable reasonable royalty for Your past and future use of Modifications made by such Participant, or (ii) withdraw Your litigation claim with respect to the Contributor Version against such Participant. If within 60 days of notice, a reasonable royalty and payment arrangement are not mutually agreed upon in writing by the parties or the litigation claim is not withdrawn, the rights granted by Participant to You under Sections 2.1 and/or 2.2 automatically terminate at the expiration of the 60 day notice period specified above. (b) any software, hardware, or device, other than such Participant's Contributor Version, directly or indirectly infringes any patent, then any rights granted to You by such Participant under Sections 2.1(b) and 2.2(b) are revoked effective as of the date You first made, used, sold, distributed, or had made, Modifications made by that Participant. 8.3. If You assert a patent infringement claim against Participant alleging that such Participant's Contributor Version directly or indirectly infringes any patent where such claim is resolved (such as by license or settlement) prior to the initiation of patent infringement litigation, then the reasonable value of the licenses granted by such Participant under Sections 2.1 or 2.2 shall be taken into account in determining the amount or value of any payment or license. 8.4. In the event of termination under Sections 8.1 or 8.2 above, all end user license agreements (excluding distributors and resellers) which have been validly granted by You or any distributor hereunder prior to termination shall survive termination. 9. LIMITATION OF LIABILITY. UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, WHETHER TORT (INCLUDING NEGLIGENCE), CONTRACT, OR OTHERWISE, SHALL YOU, THE INITIAL DEVELOPER, ANY OTHER CONTRIBUTOR, OR ANY DISTRIBUTOR OF COVERED CODE, OR ANY SUPPLIER OF ANY OF SUCH PARTIES, BE LIABLE TO ANY PERSON FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES OF ANY CHARACTER INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF GOODWILL, WORK STOPPAGE, COMPUTER FAILURE OR MALFUNCTION, OR ANY AND ALL OTHER COMMERCIAL DAMAGES OR LOSSES, EVEN IF SUCH PARTY SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF SUCH DAMAGES. THIS LIMITATION OF LIABILITY SHALL NOT APPLY TO LIABILITY FOR DEATH OR PERSONAL INJURY RESULTING FROM SUCH PARTY'S NEGLIGENCE TO THE EXTENT APPLICABLE LAW PROHIBITS SUCH LIMITATION. SOME JURISDICTIONS DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THIS EXCLUSION AND LIMITATION MAY NOT APPLY TO YOU. 10. U.S. GOVERNMENT END USERS. The Covered Code is a "commercial item," as that term is defined in 48 C.F.R. 2.101 (Oct. 1995), consisting of "commercial computer software" and "commercial computer software documentation," as such terms are used in 48 C.F.R. 12.212 (Sept. 1995). Consistent with 48 C.F.R. 12.212 and 48 C.F.R. 227.7202-1 through 227.7202-4 (June 1995), all U.S. Government End Users acquire Covered Code with only those rights set forth herein. 11. MISCELLANEOUS. This License represents the complete agreement concerning subject matter hereof. If any provision of this License is held to be unenforceable, such provision shall be reformed only to the extent necessary to make it enforceable. This License shall be governed by California law provisions (except to the extent applicable law, if any, provides otherwise), excluding its conflict-of-law provisions. With respect to disputes in which at least one party is a citizen of, or an entity chartered or registered to do business in the United States of America, any litigation relating to this License shall be subject to the jurisdiction of the Federal Courts of the Northern District of California, with venue lying in Santa Clara County, California, with the losing party responsible for costs, including without limitation, court costs and reasonable attorneys' fees and expenses. The application of the United Nations Convention on Contracts for the International Sale of Goods is expressly excluded. Any law or regulation which provides that the language of a contract shall be construed against the drafter shall not apply to this License. 12. RESPONSIBILITY FOR CLAIMS. As between Initial Developer and the Contributors, each party is responsible for claims and damages arising, directly or indirectly, out of its utilization of rights under this License and You agree to work with Initial Developer and Contributors to distribute such responsibility on an equitable basis. Nothing herein is intended or shall be deemed to constitute any admission of liability. 13. MULTIPLE-LICENSED CODE. Initial Developer may designate portions of the Covered Code as "Multiple-Licensed". "Multiple-Licensed" means that the Initial Developer permits you to utilize portions of the Covered Code under Your choice of the NPL or the alternative licenses, if any, specified by the Initial Developer in the file described in Exhibit A. EXHIBIT A -Mozilla Public License. ``The contents of this file are subject to the Mozilla Public License Version 1.1 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.mozilla.org/MPL/ Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the specific language governing rights and limitations under the License. The Original Code is the Nice GLib ICE library. The Initial Developers of the Original Code are Collabora Ltd and Nokia Corporation. All Rights Reserved. Contributor(s): ______________________________________. Alternatively, the contents of this file may be used under the terms of the _____ license (the "[___] License"), in which case the provisions of [______] License are applicable instead of those above. If you wish to allow use of your version of this file only under the terms of the [____] License and not to allow others to use your version of this file under the MPL, indicate your decision by deleting the provisions above and replace them with the notice and other provisions required by the [___] License. If you do not delete the provisions above, a recipient may use your version of this file under either the MPL or the [___] License." [NOTE: The text of this Exhibit A may differ slightly from the text of the notices in the Source Code files of the Original Code. You should use the text of this Exhibit A rather than the text found in the Original Code Source Code for Your Modifications.] libnice-0.1.4/COPYING0000644000175000017500000000035511241364464011105 00000000000000The Nice Glib ICE library is licensed under both the Mozilla Public License version 1.1 and the GNU Lesser General Public License version 2.1. For the full text of these licenses, see the files COPYING.MPL and COPYING.LGPL respectively. libnice-0.1.4/socket/0000775000175000017500000000000012112010566011406 500000000000000libnice-0.1.4/socket/turn.c0000664000175000017500000014424012052535544012502 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008 Collabora Ltd. * Contact: Youness Alaoui * (C) 2008 Nokia Corporation * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ /* * Implementation of TURN */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include #include #include #include "turn.h" #include "stun/stunagent.h" #include "stun/usages/timer.h" #include "agent-priv.h" #define STUN_END_TIMEOUT 8000 #define STUN_MAX_MS_REALM_LEN 128 // as defined in [MS-TURN] #define STUN_EXPIRE_TIMEOUT 60 /* Time we refresh before expiration */ #define STUN_PERMISSION_TIMEOUT (300 - STUN_EXPIRE_TIMEOUT) /* 240 s */ #define STUN_BINDING_TIMEOUT (600 - STUN_EXPIRE_TIMEOUT) /* 540 s */ typedef struct { StunMessage message; uint8_t buffer[STUN_MAX_MESSAGE_SIZE]; StunTimer timer; } TURNMessage; typedef struct { NiceAddress peer; uint16_t channel; gboolean renew; guint timeout_source; } ChannelBinding; typedef struct { GMainContext *ctx; StunAgent agent; GList *channels; GList *pending_bindings; ChannelBinding *current_binding; TURNMessage *current_binding_msg; GList *pending_permissions; GSource *tick_source_channel_bind; GSource *tick_source_create_permission; NiceSocket *base_socket; NiceAddress server_addr; uint8_t *username; size_t username_len; uint8_t *password; size_t password_len; NiceTurnSocketCompatibility compatibility; GQueue *send_requests; uint8_t ms_realm[STUN_MAX_MS_REALM_LEN + 1]; uint8_t ms_connection_id[20]; uint32_t ms_sequence_num; bool ms_connection_id_valid; GList *permissions; /* the peers (NiceAddress) for which there is an installed permission */ GList *sent_permissions; /* ongoing permission installed */ GHashTable *send_data_queues; /* stores a send data queue for per peer */ guint permission_timeout_source; /* timer used to invalidate permissions */ } TurnPriv; typedef struct { StunTransactionId id; GSource *source; TurnPriv *priv; } SendRequest; /* used to store data sent while obtaining a permission */ typedef struct { gchar *data; guint data_len; } SendData; static void socket_close (NiceSocket *sock); static gint socket_recv (NiceSocket *sock, NiceAddress *from, guint len, gchar *buf); static gboolean socket_send (NiceSocket *sock, const NiceAddress *to, guint len, const gchar *buf); static gboolean socket_is_reliable (NiceSocket *sock); static void priv_process_pending_bindings (TurnPriv *priv); static gboolean priv_retransmissions_tick_unlocked (TurnPriv *priv); static gboolean priv_retransmissions_tick (gpointer pointer); static void priv_schedule_tick (TurnPriv *priv); static void priv_send_turn_message (TurnPriv *priv, TURNMessage *msg); static gboolean priv_send_create_permission (TurnPriv *priv, StunMessage *resp, const NiceAddress *peer); static gboolean priv_send_channel_bind (TurnPriv *priv, StunMessage *resp, uint16_t channel, const NiceAddress *peer); static gboolean priv_add_channel_binding (TurnPriv *priv, const NiceAddress *peer); static gboolean priv_forget_send_request (gpointer pointer); static void priv_clear_permissions (TurnPriv *priv); static guint priv_nice_address_hash (gconstpointer data) { gchar address[NICE_ADDRESS_STRING_LEN]; nice_address_to_string ((NiceAddress *) data, address); return g_str_hash(address); } static void priv_send_data_queue_destroy (gpointer data) { GQueue *send_queue = (GQueue *) data; GList *i; for (i = g_queue_peek_head_link (send_queue); i; i = i->next) { SendData *data = (SendData *) i->data; g_free (data->data); g_slice_free (SendData, data); } g_queue_free (send_queue); } NiceSocket * nice_turn_socket_new (GMainContext *ctx, NiceAddress *addr, NiceSocket *base_socket, NiceAddress *server_addr, gchar *username, gchar *password, NiceTurnSocketCompatibility compatibility) { TurnPriv *priv; NiceSocket *sock = g_slice_new0 (NiceSocket); if (!sock) { return NULL; } priv = g_new0 (TurnPriv, 1); if (compatibility == NICE_TURN_SOCKET_COMPATIBILITY_DRAFT9 || compatibility == NICE_TURN_SOCKET_COMPATIBILITY_RFC5766) { stun_agent_init (&priv->agent, STUN_ALL_KNOWN_ATTRIBUTES, STUN_COMPATIBILITY_RFC5389, STUN_AGENT_USAGE_LONG_TERM_CREDENTIALS); } else if (compatibility == NICE_TURN_SOCKET_COMPATIBILITY_MSN) { stun_agent_init (&priv->agent, STUN_ALL_KNOWN_ATTRIBUTES, STUN_COMPATIBILITY_RFC3489, STUN_AGENT_USAGE_SHORT_TERM_CREDENTIALS | STUN_AGENT_USAGE_NO_INDICATION_AUTH); } else if (compatibility == NICE_TURN_SOCKET_COMPATIBILITY_GOOGLE) { stun_agent_init (&priv->agent, STUN_ALL_KNOWN_ATTRIBUTES, STUN_COMPATIBILITY_RFC3489, STUN_AGENT_USAGE_SHORT_TERM_CREDENTIALS | STUN_AGENT_USAGE_IGNORE_CREDENTIALS); } else if (compatibility == NICE_TURN_SOCKET_COMPATIBILITY_OC2007) { stun_agent_init (&priv->agent, STUN_ALL_KNOWN_ATTRIBUTES, STUN_COMPATIBILITY_OC2007, STUN_AGENT_USAGE_NO_INDICATION_AUTH | STUN_AGENT_USAGE_LONG_TERM_CREDENTIALS | STUN_AGENT_USAGE_NO_ALIGNED_ATTRIBUTES); } priv->channels = NULL; priv->current_binding = NULL; priv->base_socket = base_socket; if (ctx) priv->ctx = g_main_context_ref (ctx); if (compatibility == NICE_TURN_SOCKET_COMPATIBILITY_MSN || compatibility == NICE_TURN_SOCKET_COMPATIBILITY_OC2007) { priv->username = g_base64_decode (username, &priv->username_len); priv->password = g_base64_decode (password, &priv->password_len); } else { priv->username = (uint8_t *)g_strdup (username); priv->username_len = (size_t) strlen (username); if (compatibility == NICE_TURN_SOCKET_COMPATIBILITY_GOOGLE) { priv->password = NULL; priv->password_len = 0; } else { priv->password = (uint8_t *)g_strdup (password); priv->password_len = (size_t) strlen (password); } } priv->server_addr = *server_addr; priv->compatibility = compatibility; priv->send_requests = g_queue_new (); priv->send_data_queues = g_hash_table_new_full (priv_nice_address_hash, (GEqualFunc) nice_address_equal, (GDestroyNotify) nice_address_free, priv_send_data_queue_destroy); sock->addr = *addr; sock->fileno = base_socket->fileno; sock->send = socket_send; sock->recv = socket_recv; sock->is_reliable = socket_is_reliable; sock->close = socket_close; sock->priv = (void *) priv; return sock; } static void socket_close (NiceSocket *sock) { TurnPriv *priv = (TurnPriv *) sock->priv; GList *i = NULL; for (i = priv->channels; i; i = i->next) { ChannelBinding *b = i->data; if (b->timeout_source) g_source_remove (b->timeout_source); g_free (b); } g_list_free (priv->channels); g_list_foreach (priv->pending_bindings, (GFunc) nice_address_free, NULL); g_list_free (priv->pending_bindings); if (priv->tick_source_channel_bind != NULL) { g_source_destroy (priv->tick_source_channel_bind); g_source_unref (priv->tick_source_channel_bind); priv->tick_source_channel_bind = NULL; } if (priv->tick_source_create_permission != NULL) { g_source_destroy (priv->tick_source_create_permission); g_source_unref (priv->tick_source_create_permission); priv->tick_source_create_permission = NULL; } for (i = g_queue_peek_head_link (priv->send_requests); i; i = i->next) { SendRequest *r = i->data; g_source_destroy (r->source); g_source_unref (r->source); r->source = NULL; stun_agent_forget_transaction (&priv->agent, r->id); g_slice_free (SendRequest, r); } g_queue_free (priv->send_requests); priv_clear_permissions (priv); g_list_foreach (priv->sent_permissions, (GFunc) nice_address_free, NULL); g_list_free (priv->sent_permissions); g_hash_table_destroy (priv->send_data_queues); if (priv->permission_timeout_source) g_source_remove (priv->permission_timeout_source); if (priv->ctx) g_main_context_unref (priv->ctx); g_free (priv->current_binding); g_free (priv->current_binding_msg); g_list_foreach (priv->pending_permissions, (GFunc) g_free, NULL); g_list_free(priv->pending_permissions); g_free (priv->username); g_free (priv->password); g_free (priv); } static gint socket_recv (NiceSocket *sock, NiceAddress *from, guint len, gchar *buf) { TurnPriv *priv = (TurnPriv *) sock->priv; uint8_t recv_buf[STUN_MAX_MESSAGE_SIZE]; gint recv_len; NiceAddress recv_from; NiceSocket *dummy; nice_debug ("received message on TURN socket"); recv_len = nice_socket_recv (priv->base_socket, &recv_from, sizeof(recv_buf), (gchar *) recv_buf); if (recv_len > 0) return nice_turn_socket_parse_recv (sock, &dummy, from, len, buf, &recv_from, (gchar *) recv_buf, (guint) recv_len); else return recv_len; } static GSource * priv_timeout_add_with_context (TurnPriv *priv, guint interval, GSourceFunc function, gpointer data) { GSource *source; g_return_val_if_fail (function != NULL, NULL); source = g_timeout_source_new (interval); g_source_set_callback (source, function, data, NULL); g_source_attach (source, priv->ctx); return source; } static StunMessageReturn stun_message_append_ms_connection_id(StunMessage *msg, uint8_t *ms_connection_id, uint32_t ms_sequence_num) { uint8_t buf[24]; memcpy(buf, ms_connection_id, 20); *(uint32_t*)(buf + 20) = htonl(ms_sequence_num); return stun_message_append_bytes (msg, STUN_ATTRIBUTE_MS_SEQUENCE_NUMBER, buf, 24); } static void stun_message_ensure_ms_realm(StunMessage *msg, uint8_t *realm) { /* With MS-TURN, original clients do not send REALM attribute in Send and Set * Active Destination requests, but use it to compute MESSAGE-INTEGRITY. We * simply append cached realm value to the message and use it in subsequent * stun_agent_finish_message() call. Messages with this additional attribute * are handled correctly on OCS Access Edge working as TURN server. */ if (stun_message_get_method(msg) == STUN_SEND || stun_message_get_method(msg) == STUN_OLD_SET_ACTIVE_DST) { stun_message_append_bytes (msg, STUN_ATTRIBUTE_REALM, realm, strlen((char *)realm)); } } static gboolean priv_is_peer_in_list (const GList *list, const NiceAddress *peer) { const GList *iter; for (iter = list ; iter ; iter = g_list_next (iter)) { NiceAddress *address = (NiceAddress *) iter->data; if (nice_address_equal (address, peer)) return TRUE; } return FALSE; } static gboolean priv_has_permission_for_peer (TurnPriv *priv, const NiceAddress *peer) { return priv_is_peer_in_list (priv->permissions, peer); } static gboolean priv_has_sent_permission_for_peer (TurnPriv *priv, const NiceAddress *peer) { return priv_is_peer_in_list (priv->sent_permissions, peer); } static void priv_add_permission_for_peer (TurnPriv *priv, const NiceAddress *peer) { priv->permissions = g_list_append (priv->permissions, nice_address_dup (peer)); } static void priv_add_sent_permission_for_peer (TurnPriv *priv, const NiceAddress *peer) { priv->sent_permissions = g_list_append (priv->sent_permissions, nice_address_dup (peer)); } static GList * priv_remove_peer_from_list (GList *list, const NiceAddress *peer) { GList *iter; for (iter = list ; iter ; iter = g_list_next (iter)) { NiceAddress *address = (NiceAddress *) iter->data; if (nice_address_equal (address, peer)) { nice_address_free (address); list = g_list_delete_link (list, iter); } } return list; } static void priv_remove_sent_permission_for_peer (TurnPriv *priv, const NiceAddress *peer) { priv->sent_permissions = priv_remove_peer_from_list (priv->sent_permissions, peer); } static void priv_clear_permissions (TurnPriv *priv) { g_list_foreach (priv->permissions, (GFunc) nice_address_free, NULL); g_list_free (priv->permissions); priv->permissions = NULL; } static void socket_enqueue_data(TurnPriv *priv, const NiceAddress *to, guint len, const gchar *buf) { SendData *data = g_slice_new0 (SendData); GQueue *queue = g_hash_table_lookup (priv->send_data_queues, to); if (queue == NULL) { queue = g_queue_new (); g_hash_table_insert (priv->send_data_queues, nice_address_dup (to), queue); } data->data = g_memdup(buf, len); data->data_len = len; g_queue_push_tail (queue, data); } static void socket_dequeue_all_data (TurnPriv *priv, const NiceAddress *to) { GQueue *send_queue = g_hash_table_lookup (priv->send_data_queues, to); if (send_queue) { while (!g_queue_is_empty (send_queue)) { SendData *data = (SendData *) g_queue_pop_head(send_queue); nice_debug ("dequeuing data"); nice_socket_send (priv->base_socket, to, data->data_len, data->data); g_free (data->data); g_slice_free (SendData, data); } /* remove queue from table */ g_hash_table_remove (priv->send_data_queues, to); } } static gboolean socket_send (NiceSocket *sock, const NiceAddress *to, guint len, const gchar *buf) { TurnPriv *priv = (TurnPriv *) sock->priv; StunMessage msg; uint8_t buffer[STUN_MAX_MESSAGE_SIZE]; size_t msg_len; struct sockaddr_storage sa; GList *i = priv->channels; ChannelBinding *binding = NULL; for (; i; i = i->next) { ChannelBinding *b = i->data; if (nice_address_equal (&b->peer, to)) { binding = b; break; } } nice_address_copy_to_sockaddr (to, (struct sockaddr *)&sa); if (binding) { if (priv->compatibility == NICE_TURN_SOCKET_COMPATIBILITY_DRAFT9 || priv->compatibility == NICE_TURN_SOCKET_COMPATIBILITY_RFC5766) { if (len + sizeof(uint32_t) <= sizeof(buffer)) { uint16_t len16 = htons ((uint16_t) len); uint16_t channel16 = htons (binding->channel); memcpy (buffer, &channel16, sizeof(uint16_t)); memcpy (buffer + sizeof(uint16_t), &len16,sizeof(uint16_t)); memcpy (buffer + sizeof(uint32_t), buf, len); msg_len = len + sizeof(uint32_t); } else { return 0; } } else { return nice_socket_send (priv->base_socket, &priv->server_addr, len, buf); } } else { if (priv->compatibility == NICE_TURN_SOCKET_COMPATIBILITY_DRAFT9 || priv->compatibility == NICE_TURN_SOCKET_COMPATIBILITY_RFC5766) { if (!stun_agent_init_indication (&priv->agent, &msg, buffer, sizeof(buffer), STUN_IND_SEND)) goto send; if (stun_message_append_xor_addr (&msg, STUN_ATTRIBUTE_PEER_ADDRESS, (struct sockaddr *)&sa, sizeof(sa)) != STUN_MESSAGE_RETURN_SUCCESS) goto send; } else { if (!stun_agent_init_request (&priv->agent, &msg, buffer, sizeof(buffer), STUN_SEND)) goto send; if (stun_message_append32 (&msg, STUN_ATTRIBUTE_MAGIC_COOKIE, TURN_MAGIC_COOKIE) != STUN_MESSAGE_RETURN_SUCCESS) goto send; if (priv->username != NULL && priv->username_len > 0) { if (stun_message_append_bytes (&msg, STUN_ATTRIBUTE_USERNAME, priv->username, priv->username_len) != STUN_MESSAGE_RETURN_SUCCESS) goto send; } if (stun_message_append_addr (&msg, STUN_ATTRIBUTE_DESTINATION_ADDRESS, (struct sockaddr *)&sa, sizeof(sa)) != STUN_MESSAGE_RETURN_SUCCESS) goto send; if (priv->compatibility == NICE_TURN_SOCKET_COMPATIBILITY_GOOGLE && priv->current_binding && nice_address_equal (&priv->current_binding->peer, to)) { stun_message_append32 (&msg, STUN_ATTRIBUTE_OPTIONS, 1); } } if (priv->compatibility == NICE_TURN_SOCKET_COMPATIBILITY_OC2007) { stun_message_append32(&msg, STUN_ATTRIBUTE_MS_VERSION, 1); if (priv->ms_connection_id_valid) stun_message_append_ms_connection_id(&msg, priv->ms_connection_id, ++priv->ms_sequence_num); stun_message_ensure_ms_realm(&msg, priv->ms_realm); } if (stun_message_append_bytes (&msg, STUN_ATTRIBUTE_DATA, buf, len) != STUN_MESSAGE_RETURN_SUCCESS) goto send; msg_len = stun_agent_finish_message (&priv->agent, &msg, priv->password, priv->password_len); if (msg_len > 0 && stun_message_get_class (&msg) == STUN_REQUEST) { SendRequest *req = g_slice_new0 (SendRequest); req->priv = priv; stun_message_id (&msg, req->id); req->source = priv_timeout_add_with_context (priv, STUN_END_TIMEOUT, priv_forget_send_request, req); g_queue_push_tail (priv->send_requests, req); } } if (msg_len > 0) { if (priv->compatibility == NICE_TURN_SOCKET_COMPATIBILITY_RFC5766 && !priv_has_permission_for_peer (priv, to)) { if (!priv_has_sent_permission_for_peer (priv, to)) { priv_send_create_permission (priv, NULL, to); } /* enque data */ nice_debug ("enqueuing data"); socket_enqueue_data(priv, to, msg_len, (gchar *)buffer); return TRUE; } else { return nice_socket_send (priv->base_socket, &priv->server_addr, msg_len, (gchar *)buffer); } } send: return nice_socket_send (priv->base_socket, to, len, buf); } static gboolean socket_is_reliable (NiceSocket *sock) { TurnPriv *priv = (TurnPriv *) sock->priv; return nice_socket_is_reliable (priv->base_socket); } static gboolean priv_forget_send_request (gpointer pointer) { SendRequest *req = pointer; agent_lock (); if (g_source_is_destroyed (g_main_current_source ())) { nice_debug ("Source was destroyed. " "Avoided race condition in turn.c:priv_forget_send_request"); agent_unlock (); return FALSE; } stun_agent_forget_transaction (&req->priv->agent, req->id); g_queue_remove (req->priv->send_requests, req); g_source_destroy (req->source); g_source_unref (req->source); req->source = NULL; agent_unlock (); g_slice_free (SendRequest, req); return FALSE; } static gboolean priv_permission_timeout (gpointer data) { TurnPriv *priv = (TurnPriv *) data; nice_debug ("Permission is about to timeout, schedule renewal"); agent_lock (); /* remove all permissions for this agent (the permission for the peer we are sending to will be renewed) */ priv_clear_permissions (priv); agent_unlock (); return TRUE; } static gboolean priv_binding_expired_timeout (gpointer data) { TurnPriv *priv = (TurnPriv *) data; GList *i; GSource *source = NULL; nice_debug ("Permission expired, refresh failed"); agent_lock (); source = g_main_current_source (); if (g_source_is_destroyed (source)) { nice_debug ("Source was destroyed. " "Avoided race condition in turn.c:priv_binding_expired_timeout"); agent_unlock (); return FALSE; } /* find current binding and destroy it */ for (i = priv->channels ; i; i = i->next) { ChannelBinding *b = i->data; if (b->timeout_source == g_source_get_id (source)) { priv->channels = g_list_remove (priv->channels, b); /* Make sure we don't free a currently being-refreshed binding */ if (priv->current_binding_msg && !priv->current_binding) { struct sockaddr_storage sa; socklen_t sa_len = sizeof(sa); NiceAddress to; /* look up binding associated with peer */ stun_message_find_xor_addr ( &priv->current_binding_msg->message, STUN_ATTRIBUTE_XOR_PEER_ADDRESS, (struct sockaddr *) &sa, &sa_len); nice_address_set_from_sockaddr (&to, (struct sockaddr *) &sa); /* If the binding is being refreshed, then move it to priv->current_binding so it counts as a 'new' binding and will get readded to the list if it succeeds */ if (nice_address_equal (&b->peer, &to)) { priv->current_binding = b; break; } } /* In case the binding timed out before it could be processed, add it to the pending list */ priv_add_channel_binding (priv, &b->peer); g_free (b); break; } } agent_unlock (); return FALSE; } static gboolean priv_binding_timeout (gpointer data) { TurnPriv *priv = (TurnPriv *) data; GList *i; GSource *source = NULL; nice_debug ("Permission is about to timeout, sending binding renewal"); agent_lock (); source = g_main_current_source (); if (g_source_is_destroyed (source)) { nice_debug ("Source was destroyed. " "Avoided race condition in turn.c:priv_binding_timeout"); agent_unlock (); return FALSE; } /* find current binding and mark it for renewal */ for (i = priv->channels ; i; i = i->next) { ChannelBinding *b = i->data; if (b->timeout_source == g_source_get_id (source)) { b->renew = TRUE; /* Install timer to expire the permission */ b->timeout_source = g_timeout_add_seconds (STUN_EXPIRE_TIMEOUT, priv_binding_expired_timeout, priv); /* Send renewal */ if (!priv->current_binding_msg) priv_send_channel_bind (priv, NULL, b->channel, &b->peer); break; } } agent_unlock (); return FALSE; } gint nice_turn_socket_parse_recv (NiceSocket *sock, NiceSocket **from_sock, NiceAddress *from, guint len, gchar *buf, NiceAddress *recv_from, gchar *recv_buf, guint recv_len) { TurnPriv *priv = (TurnPriv *) sock->priv; StunValidationStatus valid; StunMessage msg; struct sockaddr_storage sa; socklen_t from_len = sizeof (sa); GList *i = priv->channels; ChannelBinding *binding = NULL; if (nice_address_equal (&priv->server_addr, recv_from)) { valid = stun_agent_validate (&priv->agent, &msg, (uint8_t *) recv_buf, (size_t) recv_len, NULL, NULL); if (valid == STUN_VALIDATION_SUCCESS) { if (priv->compatibility != NICE_TURN_SOCKET_COMPATIBILITY_DRAFT9 && priv->compatibility != NICE_TURN_SOCKET_COMPATIBILITY_RFC5766) { uint32_t cookie; if (stun_message_find32 (&msg, STUN_ATTRIBUTE_MAGIC_COOKIE, &cookie) != STUN_MESSAGE_RETURN_SUCCESS) goto recv; if (cookie != TURN_MAGIC_COOKIE) goto recv; } if (stun_message_get_method (&msg) == STUN_SEND) { if (stun_message_get_class (&msg) == STUN_RESPONSE) { SendRequest *req = NULL; GList *i = g_queue_peek_head_link (priv->send_requests); StunTransactionId msg_id; stun_message_id (&msg, msg_id); for (; i; i = i->next) { SendRequest *r = i->data; if (memcmp (&r->id, msg_id, sizeof(StunTransactionId)) == 0) { req = r; break; } } if (req) { g_source_destroy (req->source); g_source_unref (req->source); req->source = NULL; g_queue_remove (priv->send_requests, req); g_slice_free (SendRequest, req); } if (priv->compatibility == NICE_TURN_SOCKET_COMPATIBILITY_GOOGLE) { uint32_t opts = 0; if (stun_message_find32 (&msg, STUN_ATTRIBUTE_OPTIONS, &opts) == STUN_MESSAGE_RETURN_SUCCESS && opts & 0x1) goto msn_google_lock; } } return 0; } else if (stun_message_get_method (&msg) == STUN_OLD_SET_ACTIVE_DST) { StunTransactionId request_id; StunTransactionId response_id; if (priv->current_binding && priv->current_binding_msg) { stun_message_id (&msg, response_id); stun_message_id (&priv->current_binding_msg->message, request_id); if (memcmp (request_id, response_id, sizeof(StunTransactionId)) == 0) { g_free (priv->current_binding_msg); priv->current_binding_msg = NULL; if (stun_message_get_class (&msg) == STUN_RESPONSE && (priv->compatibility == NICE_TURN_SOCKET_COMPATIBILITY_OC2007 || priv->compatibility == NICE_TURN_SOCKET_COMPATIBILITY_MSN)) { goto msn_google_lock; } else { g_free (priv->current_binding); priv->current_binding = NULL; } } } return 0; } else if (stun_message_get_method (&msg) == STUN_CHANNELBIND) { StunTransactionId request_id; StunTransactionId response_id; if (priv->current_binding_msg) { stun_message_id (&msg, response_id); stun_message_id (&priv->current_binding_msg->message, request_id); if (memcmp (request_id, response_id, sizeof(StunTransactionId)) == 0) { if (priv->current_binding) { /* New channel binding */ binding = priv->current_binding; } else { /* Existing binding refresh */ GList *i; struct sockaddr_storage sa; socklen_t sa_len = sizeof(sa); NiceAddress to; /* look up binding associated with peer */ stun_message_find_xor_addr ( &priv->current_binding_msg->message, STUN_ATTRIBUTE_XOR_PEER_ADDRESS, (struct sockaddr *) &sa, &sa_len); nice_address_set_from_sockaddr (&to, (struct sockaddr *) &sa); for (i = priv->channels; i; i = i->next) { ChannelBinding *b = i->data; if (nice_address_equal (&b->peer, &to)) { binding = b; break; } } } if (stun_message_get_class (&msg) == STUN_ERROR) { int code = -1; uint8_t *sent_realm = NULL; uint8_t *recv_realm = NULL; uint16_t sent_realm_len = 0; uint16_t recv_realm_len = 0; sent_realm = (uint8_t *) stun_message_find ( &priv->current_binding_msg->message, STUN_ATTRIBUTE_REALM, &sent_realm_len); recv_realm = (uint8_t *) stun_message_find (&msg, STUN_ATTRIBUTE_REALM, &recv_realm_len); /* check for unauthorized error response */ if (stun_message_find_error (&msg, &code) == STUN_MESSAGE_RETURN_SUCCESS && (code == 438 || (code == 401 && !(recv_realm != NULL && recv_realm_len > 0 && recv_realm_len == sent_realm_len && sent_realm != NULL && memcmp (sent_realm, recv_realm, sent_realm_len) == 0)))) { g_free (priv->current_binding_msg); priv->current_binding_msg = NULL; if (binding) priv_send_channel_bind (priv, &msg, binding->channel, &binding->peer); } else { g_free (priv->current_binding); priv->current_binding = NULL; g_free (priv->current_binding_msg); priv->current_binding_msg = NULL; priv_process_pending_bindings (priv); } } else if (stun_message_get_class (&msg) == STUN_RESPONSE) { g_free (priv->current_binding_msg); priv->current_binding_msg = NULL; /* If it's a new channel binding, then add it to the list */ if (priv->current_binding) priv->channels = g_list_append (priv->channels, priv->current_binding); priv->current_binding = NULL; if (binding) { binding->renew = FALSE; /* Remove any existing timer */ if (binding->timeout_source) g_source_remove (binding->timeout_source); /* Install timer to schedule refresh of the permission */ binding->timeout_source = g_timeout_add_seconds (STUN_BINDING_TIMEOUT, priv_binding_timeout, priv); } priv_process_pending_bindings (priv); } } } return 0; } else if (stun_message_get_method (&msg) == STUN_CREATEPERMISSION) { StunTransactionId request_id; StunTransactionId response_id; GList *i, *next; TURNMessage *current_create_permission_msg; for (i = priv->pending_permissions; i; i = next) { current_create_permission_msg = (TURNMessage *) i->data; next = i->next; stun_message_id (&msg, response_id); stun_message_id (¤t_create_permission_msg->message, request_id); if (memcmp (request_id, response_id, sizeof(StunTransactionId)) == 0) { struct sockaddr_storage peer; socklen_t peer_len = sizeof(peer); NiceAddress to; nice_debug ("got response for CreatePermission"); stun_message_find_xor_addr ( ¤t_create_permission_msg->message, STUN_ATTRIBUTE_XOR_PEER_ADDRESS, (struct sockaddr *) &peer, &peer_len); nice_address_set_from_sockaddr (&to, (struct sockaddr *) &peer); /* unathorized => resend with realm and nonce */ if (stun_message_get_class (&msg) == STUN_ERROR) { int code = -1; uint8_t *sent_realm = NULL; uint8_t *recv_realm = NULL; uint16_t sent_realm_len = 0; uint16_t recv_realm_len = 0; sent_realm = (uint8_t *) stun_message_find ( ¤t_create_permission_msg->message, STUN_ATTRIBUTE_REALM, &sent_realm_len); recv_realm = (uint8_t *) stun_message_find (&msg, STUN_ATTRIBUTE_REALM, &recv_realm_len); /* check for unauthorized error response */ if (stun_message_find_error (&msg, &code) == STUN_MESSAGE_RETURN_SUCCESS && (code == 438 || (code == 401 && !(recv_realm != NULL && recv_realm_len > 0 && recv_realm_len == sent_realm_len && sent_realm != NULL && memcmp (sent_realm, recv_realm, sent_realm_len) == 0)))) { priv->pending_permissions = g_list_delete_link ( priv->pending_permissions, i); g_free (current_create_permission_msg); current_create_permission_msg = NULL; /* resend CreatePermission */ priv_send_create_permission (priv, &msg, &to); return 0; } } /* If we get an error, we just assume the server somehow doesn't support permissions and we ignore the error and fake a successful completion. If the server needs a permission but it failed to create it, then the connchecks will fail. */ priv_remove_sent_permission_for_peer (priv, &to); priv_add_permission_for_peer (priv, &to); /* install timer to schedule refresh of the permission */ /* (will not schedule refresh if we got an error) */ if (stun_message_get_class (&msg) == STUN_RESPONSE && !priv->permission_timeout_source) { priv->permission_timeout_source = g_timeout_add_seconds (STUN_PERMISSION_TIMEOUT, priv_permission_timeout, priv); } /* send enqued data */ socket_dequeue_all_data (priv, &to); priv->pending_permissions = g_list_delete_link ( priv->pending_permissions, i); g_free (current_create_permission_msg); current_create_permission_msg = NULL; break; } } return 0; } else if (stun_message_get_class (&msg) == STUN_INDICATION && stun_message_get_method (&msg) == STUN_IND_DATA) { uint16_t data_len; uint8_t *data; if (priv->compatibility == NICE_TURN_SOCKET_COMPATIBILITY_DRAFT9 || priv->compatibility == NICE_TURN_SOCKET_COMPATIBILITY_RFC5766) { if (stun_message_find_xor_addr (&msg, STUN_ATTRIBUTE_REMOTE_ADDRESS, (struct sockaddr *)&sa, &from_len) != STUN_MESSAGE_RETURN_SUCCESS) goto recv; } else { if (stun_message_find_addr (&msg, STUN_ATTRIBUTE_REMOTE_ADDRESS, (struct sockaddr *)&sa, &from_len) != STUN_MESSAGE_RETURN_SUCCESS) goto recv; } data = (uint8_t *) stun_message_find (&msg, STUN_ATTRIBUTE_DATA, &data_len); if (data == NULL) goto recv; nice_address_set_from_sockaddr (from, (struct sockaddr *) &sa); *from_sock = sock; memmove (buf, data, len > data_len ? data_len : len); return len > data_len ? data_len : len; } else { goto recv; } } } recv: for (i = priv->channels; i; i = i->next) { ChannelBinding *b = i->data; if (priv->compatibility == NICE_TURN_SOCKET_COMPATIBILITY_DRAFT9 || priv->compatibility == NICE_TURN_SOCKET_COMPATIBILITY_RFC5766) { if (b->channel == ntohs(((uint16_t *)recv_buf)[0])) { recv_len = ntohs (((uint16_t *)recv_buf)[1]); recv_buf += sizeof(uint32_t); binding = b; break; } } else { binding = b; break; } } if (binding) { *from = binding->peer; *from_sock = sock; } else { *from = *recv_from; } memmove (buf, recv_buf, len > recv_len ? recv_len : len); return len > recv_len ? recv_len : len; msn_google_lock: if (priv->current_binding) { GList *i = priv->channels; for (; i; i = i->next) { ChannelBinding *b = i->data; g_free (b); } g_list_free (priv->channels); priv->channels = g_list_append (NULL, priv->current_binding); priv->current_binding = NULL; priv_process_pending_bindings (priv); } return 0; } gboolean nice_turn_socket_set_peer (NiceSocket *sock, NiceAddress *peer) { TurnPriv *priv = (TurnPriv *) sock->priv; return priv_add_channel_binding (priv, peer); } static void priv_process_pending_bindings (TurnPriv *priv) { gboolean ret = FALSE; while (priv->pending_bindings != NULL && ret == FALSE) { NiceAddress *peer = priv->pending_bindings->data; ret = priv_add_channel_binding (priv, peer); priv->pending_bindings = g_list_remove (priv->pending_bindings, peer); nice_address_free (peer); } /* If no new channel bindings are in progress and there are no pending bindings, then renew the soon to be expired bindings */ if (priv->pending_bindings == NULL && priv->current_binding_msg == NULL) { GList *i = NULL; /* find binding to renew */ for (i = priv->channels ; i; i = i->next) { ChannelBinding *b = i->data; if (b->renew) { priv_send_channel_bind (priv, NULL, b->channel, &b->peer); break; } } } } static gboolean priv_retransmissions_tick_unlocked (TurnPriv *priv) { gboolean ret = FALSE; if (priv->current_binding_msg) { switch (stun_timer_refresh (&priv->current_binding_msg->timer)) { case STUN_USAGE_TIMER_RETURN_TIMEOUT: { /* Time out */ StunTransactionId id; stun_message_id (&priv->current_binding_msg->message, id); stun_agent_forget_transaction (&priv->agent, id); g_free (priv->current_binding); priv->current_binding = NULL; g_free (priv->current_binding_msg); priv->current_binding_msg = NULL; priv_process_pending_bindings (priv); break; } case STUN_USAGE_TIMER_RETURN_RETRANSMIT: /* Retransmit */ nice_socket_send (priv->base_socket, &priv->server_addr, stun_message_length (&priv->current_binding_msg->message), (gchar *)priv->current_binding_msg->buffer); ret = TRUE; break; case STUN_USAGE_TIMER_RETURN_SUCCESS: ret = TRUE; break; } } if (ret) priv_schedule_tick (priv); return ret; } static gboolean priv_retransmissions_create_permission_tick_unlocked (TurnPriv *priv, GList *list_element) { gboolean ret = FALSE; TURNMessage *current_create_permission_msg; current_create_permission_msg = (TURNMessage *)list_element->data; if (current_create_permission_msg) { switch (stun_timer_refresh (¤t_create_permission_msg->timer)) { case STUN_USAGE_TIMER_RETURN_TIMEOUT: { /* Time out */ StunTransactionId id; NiceAddress to; struct sockaddr_storage addr; socklen_t addr_len = sizeof(addr); stun_message_id (¤t_create_permission_msg->message, id); stun_agent_forget_transaction (&priv->agent, id); stun_message_find_xor_addr ( ¤t_create_permission_msg->message, STUN_ATTRIBUTE_XOR_PEER_ADDRESS, (struct sockaddr *) &addr, &addr_len); nice_address_set_from_sockaddr (&to, (struct sockaddr *) &addr); priv_remove_sent_permission_for_peer (priv, &to); priv->pending_permissions = g_list_delete_link ( priv->pending_permissions, list_element); g_free (current_create_permission_msg); current_create_permission_msg = NULL; /* we got a timeout when retransmitting a CreatePermission message, assume we can just send the data, the server might not support RFC TURN, or connectivity check will fail eventually anyway */ priv_add_permission_for_peer (priv, &to); socket_dequeue_all_data (priv, &to); break; } case STUN_USAGE_TIMER_RETURN_RETRANSMIT: /* Retransmit */ nice_socket_send (priv->base_socket, &priv->server_addr, stun_message_length (¤t_create_permission_msg->message), (gchar *)current_create_permission_msg->buffer); ret = TRUE; break; case STUN_USAGE_TIMER_RETURN_SUCCESS: ret = TRUE; break; } } if (ret) priv_schedule_tick (priv); return ret; } static gboolean priv_retransmissions_tick (gpointer pointer) { TurnPriv *priv = pointer; agent_lock (); if (g_source_is_destroyed (g_main_current_source ())) { nice_debug ("Source was destroyed. " "Avoided race condition in turn.c:priv_retransmissions_tick"); agent_unlock (); return FALSE; } if (priv_retransmissions_tick_unlocked (priv) == FALSE) { if (priv->tick_source_channel_bind != NULL) { g_source_destroy (priv->tick_source_channel_bind); g_source_unref (priv->tick_source_channel_bind); priv->tick_source_channel_bind = NULL; } } agent_unlock (); return FALSE; } static gboolean priv_retransmissions_create_permission_tick (gpointer pointer) { TurnPriv *priv = pointer; GList *i, *next; agent_lock (); if (g_source_is_destroyed (g_main_current_source ())) { nice_debug ("Source was destroyed. Avoided race condition in " "turn.c:priv_retransmissions_create_permission_tick"); agent_unlock (); return FALSE; } for (i = priv->pending_permissions; i; i = next) { next = i->next; if (!priv_retransmissions_create_permission_tick_unlocked (priv, i)) { if (priv->tick_source_create_permission != NULL) { g_source_destroy (priv->tick_source_create_permission); g_source_unref (priv->tick_source_create_permission); priv->tick_source_create_permission = NULL; } } } agent_unlock (); return FALSE; } static void priv_schedule_tick (TurnPriv *priv) { GList *i, *next; TURNMessage *current_create_permission_msg; if (priv->tick_source_channel_bind != NULL) { g_source_destroy (priv->tick_source_channel_bind); g_source_unref (priv->tick_source_channel_bind); priv->tick_source_channel_bind = NULL; } if (priv->current_binding_msg) { guint timeout = stun_timer_remainder (&priv->current_binding_msg->timer); if (timeout > 0) { priv->tick_source_channel_bind = priv_timeout_add_with_context (priv, timeout, priv_retransmissions_tick, priv); } else { priv_retransmissions_tick_unlocked (priv); } } for (i = priv->pending_permissions; i; i = next) { guint timeout; current_create_permission_msg = (TURNMessage *)i->data; next = i->next; timeout = stun_timer_remainder (¤t_create_permission_msg->timer); if (timeout > 0) { priv->tick_source_create_permission = priv_timeout_add_with_context (priv, timeout, priv_retransmissions_create_permission_tick, priv); } else { priv_retransmissions_create_permission_tick_unlocked (priv, i); } } } static void priv_send_turn_message (TurnPriv *priv, TURNMessage *msg) { size_t stun_len = stun_message_length (&msg->message); if (priv->current_binding_msg) { g_free (priv->current_binding_msg); priv->current_binding_msg = NULL; } nice_socket_send (priv->base_socket, &priv->server_addr, stun_len, (gchar *)msg->buffer); if (nice_socket_is_reliable (priv->base_socket)) { stun_timer_start_reliable (&msg->timer, STUN_TIMER_DEFAULT_RELIABLE_TIMEOUT); } else { stun_timer_start (&msg->timer, STUN_TIMER_DEFAULT_TIMEOUT, STUN_TIMER_DEFAULT_MAX_RETRANSMISSIONS); } priv->current_binding_msg = msg; priv_schedule_tick (priv); } static gboolean priv_send_create_permission(TurnPriv *priv, StunMessage *resp, const NiceAddress *peer) { guint msg_buf_len; gboolean res = FALSE; TURNMessage *msg = g_new0 (TURNMessage, 1); struct sockaddr_storage addr; uint8_t *realm = NULL; uint16_t realm_len = 0; uint8_t *nonce = NULL; uint16_t nonce_len = 0; if (resp) { realm = (uint8_t *) stun_message_find (resp, STUN_ATTRIBUTE_REALM, &realm_len); nonce = (uint8_t *) stun_message_find (resp, STUN_ATTRIBUTE_NONCE, &nonce_len); } /* register this peer as being pening a permission (if not already pending) */ if (!priv_has_sent_permission_for_peer (priv, peer)) { priv_add_sent_permission_for_peer (priv, peer); } nice_address_copy_to_sockaddr (peer, (struct sockaddr *) &addr); /* send CreatePermission */ msg_buf_len = stun_usage_turn_create_permission(&priv->agent, &msg->message, msg->buffer, sizeof(msg->buffer), priv->username, priv->username_len, priv->password, priv->password_len, realm, realm_len, nonce, nonce_len, (struct sockaddr *) &addr, STUN_USAGE_TURN_COMPATIBILITY_RFC5766); if (msg_buf_len > 0) { res = nice_socket_send (priv->base_socket, &priv->server_addr, msg_buf_len, (gchar *) msg->buffer); if (nice_socket_is_reliable (priv->base_socket)) { stun_timer_start_reliable (&msg->timer, STUN_TIMER_DEFAULT_RELIABLE_TIMEOUT); } else { stun_timer_start (&msg->timer, STUN_TIMER_DEFAULT_TIMEOUT, STUN_TIMER_DEFAULT_MAX_RETRANSMISSIONS); } priv_schedule_tick (priv); priv->pending_permissions = g_list_append (priv->pending_permissions, msg); } else { g_free(msg); } return res; } static gboolean priv_send_channel_bind (TurnPriv *priv, StunMessage *resp, uint16_t channel, const NiceAddress *peer) { uint32_t channel_attr = channel << 16; size_t stun_len; struct sockaddr_storage sa; TURNMessage *msg = g_new0 (TURNMessage, 1); nice_address_copy_to_sockaddr (peer, (struct sockaddr *)&sa); if (!stun_agent_init_request (&priv->agent, &msg->message, msg->buffer, sizeof(msg->buffer), STUN_CHANNELBIND)) { g_free (msg); return FALSE; } if (stun_message_append32 (&msg->message, STUN_ATTRIBUTE_CHANNEL_NUMBER, channel_attr) != STUN_MESSAGE_RETURN_SUCCESS) { g_free (msg); return FALSE; } if (stun_message_append_xor_addr (&msg->message, STUN_ATTRIBUTE_PEER_ADDRESS, (struct sockaddr *)&sa, sizeof(sa)) != STUN_MESSAGE_RETURN_SUCCESS) { g_free (msg); return FALSE; } if (priv->username != NULL && priv->username_len > 0) { if (stun_message_append_bytes (&msg->message, STUN_ATTRIBUTE_USERNAME, priv->username, priv->username_len) != STUN_MESSAGE_RETURN_SUCCESS) { g_free (msg); return FALSE; } } if (resp) { uint8_t *realm; uint8_t *nonce; uint16_t len; realm = (uint8_t *) stun_message_find (resp, STUN_ATTRIBUTE_REALM, &len); if (realm != NULL) { if (stun_message_append_bytes (&msg->message, STUN_ATTRIBUTE_REALM, realm, len) != STUN_MESSAGE_RETURN_SUCCESS) { g_free (msg); return 0; } } nonce = (uint8_t *) stun_message_find (resp, STUN_ATTRIBUTE_NONCE, &len); if (nonce != NULL) { if (stun_message_append_bytes (&msg->message, STUN_ATTRIBUTE_NONCE, nonce, len) != STUN_MESSAGE_RETURN_SUCCESS) { g_free (msg); return 0; } } } stun_len = stun_agent_finish_message (&priv->agent, &msg->message, priv->password, priv->password_len); if (stun_len > 0) { priv_send_turn_message (priv, msg); return TRUE; } g_free (msg); return FALSE; } static gboolean priv_add_channel_binding (TurnPriv *priv, const NiceAddress *peer) { size_t stun_len; struct sockaddr_storage sa; nice_address_copy_to_sockaddr (peer, (struct sockaddr *)&sa); if (priv->current_binding) { NiceAddress * pending= nice_address_new (); *pending = *peer; priv->pending_bindings = g_list_append (priv->pending_bindings, pending); return FALSE; } if (priv->compatibility == NICE_TURN_SOCKET_COMPATIBILITY_DRAFT9 || priv->compatibility == NICE_TURN_SOCKET_COMPATIBILITY_RFC5766) { uint16_t channel = 0x4000; GList *i = priv->channels; for (; i; i = i->next) { ChannelBinding *b = i->data; if (channel == b->channel) { i = priv->channels; channel++; continue; } } if (channel >= 0x4000 && channel < 0xffff) { gboolean ret = priv_send_channel_bind (priv, NULL, channel, peer); if (ret) { priv->current_binding = g_new0 (ChannelBinding, 1); priv->current_binding->channel = channel; priv->current_binding->peer = *peer; } return ret; } return FALSE; } else if (priv->compatibility == NICE_TURN_SOCKET_COMPATIBILITY_MSN || priv->compatibility == NICE_TURN_SOCKET_COMPATIBILITY_OC2007) { TURNMessage *msg = g_new0 (TURNMessage, 1); if (!stun_agent_init_request (&priv->agent, &msg->message, msg->buffer, sizeof(msg->buffer), STUN_OLD_SET_ACTIVE_DST)) { g_free (msg); return FALSE; } if (stun_message_append32 (&msg->message, STUN_ATTRIBUTE_MAGIC_COOKIE, TURN_MAGIC_COOKIE) != STUN_MESSAGE_RETURN_SUCCESS) { g_free (msg); return FALSE; } if (priv->username != NULL && priv->username_len > 0) { if (stun_message_append_bytes (&msg->message, STUN_ATTRIBUTE_USERNAME, priv->username, priv->username_len) != STUN_MESSAGE_RETURN_SUCCESS) { g_free (msg); return FALSE; } } if (priv->compatibility == NICE_TURN_SOCKET_COMPATIBILITY_OC2007) { if (priv->ms_connection_id_valid) stun_message_append_ms_connection_id(&msg->message, priv->ms_connection_id, ++priv->ms_sequence_num); stun_message_ensure_ms_realm(&msg->message, priv->ms_realm); } if (stun_message_append_addr (&msg->message, STUN_ATTRIBUTE_DESTINATION_ADDRESS, (struct sockaddr *)&sa, sizeof(sa)) != STUN_MESSAGE_RETURN_SUCCESS) { g_free (msg); return FALSE; } stun_len = stun_agent_finish_message (&priv->agent, &msg->message, priv->password, priv->password_len); if (stun_len > 0) { priv->current_binding = g_new0 (ChannelBinding, 1); priv->current_binding->channel = 0; priv->current_binding->peer = *peer; priv_send_turn_message (priv, msg); return TRUE; } g_free (msg); return FALSE; } else if (priv->compatibility == NICE_TURN_SOCKET_COMPATIBILITY_GOOGLE) { priv->current_binding = g_new0 (ChannelBinding, 1); priv->current_binding->channel = 0; priv->current_binding->peer = *peer; return TRUE; } else { return FALSE; } return FALSE; } void nice_turn_socket_set_ms_realm(NiceSocket *sock, StunMessage *msg) { TurnPriv *priv = (TurnPriv *)sock->priv; uint16_t alen; const uint8_t *realm = stun_message_find(msg, STUN_ATTRIBUTE_REALM, &alen); if (realm && alen <= STUN_MAX_MS_REALM_LEN) { memcpy(priv->ms_realm, realm, alen); priv->ms_realm[alen] = '\0'; } } void nice_turn_socket_set_ms_connection_id (NiceSocket *sock, StunMessage *msg) { TurnPriv *priv = (TurnPriv *)sock->priv; uint16_t alen; const uint8_t *ms_seq_num = stun_message_find(msg, STUN_ATTRIBUTE_MS_SEQUENCE_NUMBER, &alen); if (ms_seq_num && alen == 24) { memcpy (priv->ms_connection_id, ms_seq_num, 20); priv->ms_sequence_num = ntohl((uint32_t)*(ms_seq_num + 20)); priv->ms_connection_id_valid = TRUE; } } libnice-0.1.4/socket/tcp-turn.c0000664000175000017500000001433012024152577013262 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2008-2009 Nokia Corporation. All rights reserved. * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ /* * Implementation of TCP relay socket interface using TCP Berkeley sockets. (See * http://en.wikipedia.org/wiki/Berkeley_sockets.) */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include "tcp-turn.h" #include #include #include #ifndef G_OS_WIN32 #include #endif typedef struct { NiceTurnSocketCompatibility compatibility; gchar recv_buf[65536]; guint recv_buf_len; guint expecting_len; NiceSocket *base_socket; } TurnTcpPriv; #define MAX_UDP_MESSAGE_SIZE 65535 static void socket_close (NiceSocket *sock); static gint socket_recv (NiceSocket *sock, NiceAddress *from, guint len, gchar *buf); static gboolean socket_send (NiceSocket *sock, const NiceAddress *to, guint len, const gchar *buf); static gboolean socket_is_reliable (NiceSocket *sock); NiceSocket * nice_tcp_turn_socket_new (NiceSocket *base_socket, NiceTurnSocketCompatibility compatibility) { TurnTcpPriv *priv; NiceSocket *sock = g_slice_new0 (NiceSocket); sock->priv = priv = g_slice_new0 (TurnTcpPriv); priv->compatibility = compatibility; priv->base_socket = base_socket; sock->fileno = priv->base_socket->fileno; sock->addr = priv->base_socket->addr; sock->send = socket_send; sock->recv = socket_recv; sock->is_reliable = socket_is_reliable; sock->close = socket_close; return sock; } static void socket_close (NiceSocket *sock) { TurnTcpPriv *priv = sock->priv; if (priv->base_socket) nice_socket_free (priv->base_socket); g_slice_free(TurnTcpPriv, sock->priv); } static gint socket_recv (NiceSocket *sock, NiceAddress *from, guint len, gchar *buf) { TurnTcpPriv *priv = sock->priv; int ret; guint padlen; if (priv->expecting_len == 0) { guint headerlen = 0; if (priv->compatibility == NICE_TURN_SOCKET_COMPATIBILITY_DRAFT9 || priv->compatibility == NICE_TURN_SOCKET_COMPATIBILITY_RFC5766) headerlen = 4; else if (priv->compatibility == NICE_TURN_SOCKET_COMPATIBILITY_GOOGLE) headerlen = 2; else return -1; ret = nice_socket_recv (priv->base_socket, from, headerlen - priv->recv_buf_len, priv->recv_buf + priv->recv_buf_len); if (ret < 0) return ret; priv->recv_buf_len += ret; if (priv->recv_buf_len < headerlen) return 0; if (priv->compatibility == NICE_TURN_SOCKET_COMPATIBILITY_DRAFT9 || priv->compatibility == NICE_TURN_SOCKET_COMPATIBILITY_RFC5766) { guint16 magic = ntohs (*(guint16*)priv->recv_buf); guint16 packetlen = ntohs (*(guint16*)(priv->recv_buf + 2)); if (magic < 0x4000) { /* Its STUN */ priv->expecting_len = 20 + packetlen; } else { /* Channel data */ priv->expecting_len = 4 + packetlen; } } else if (priv->compatibility == NICE_TURN_SOCKET_COMPATIBILITY_GOOGLE) { guint len = ntohs (*(guint16*)priv->recv_buf); priv->expecting_len = len; priv->recv_buf_len = 0; } } if (priv->compatibility == NICE_TURN_SOCKET_COMPATIBILITY_DRAFT9 || priv->compatibility == NICE_TURN_SOCKET_COMPATIBILITY_RFC5766) padlen = (priv->expecting_len % 4) ? 4 - (priv->expecting_len % 4) : 0; else padlen = 0; ret = nice_socket_recv (priv->base_socket, from, priv->expecting_len + padlen - priv->recv_buf_len, priv->recv_buf + priv->recv_buf_len); if (ret < 0) return ret; priv->recv_buf_len += ret; if (priv->recv_buf_len == priv->expecting_len + padlen) { guint copy_len = MIN (len, priv->recv_buf_len); memcpy (buf, priv->recv_buf, copy_len); priv->expecting_len = 0; priv->recv_buf_len = 0; return copy_len; } return 0; } static gboolean socket_send (NiceSocket *sock, const NiceAddress *to, guint len, const gchar *buf) { TurnTcpPriv *priv = sock->priv; gchar padbuf[3] = {0, 0, 0}; int padlen = (len%4) ? 4 - (len%4) : 0; gchar buffer[MAX_UDP_MESSAGE_SIZE + sizeof(guint16) + sizeof(padbuf)]; guint buffer_len = 0; if (priv->compatibility != NICE_TURN_SOCKET_COMPATIBILITY_DRAFT9 && priv->compatibility != NICE_TURN_SOCKET_COMPATIBILITY_RFC5766) padlen = 0; if (priv->compatibility == NICE_TURN_SOCKET_COMPATIBILITY_GOOGLE) { guint16 tmpbuf = htons (len); memcpy (buffer + buffer_len, (gchar *)&tmpbuf, sizeof(guint16)); buffer_len += sizeof(guint16); } memcpy (buffer + buffer_len, buf, len); buffer_len += len; if (priv->compatibility == NICE_TURN_SOCKET_COMPATIBILITY_DRAFT9 || priv->compatibility == NICE_TURN_SOCKET_COMPATIBILITY_RFC5766) { memcpy (buffer + buffer_len, padbuf, padlen); buffer_len += padlen; } return nice_socket_send (priv->base_socket, to, buffer_len, buffer); } static gboolean socket_is_reliable (NiceSocket *sock) { return TRUE; } libnice-0.1.4/socket/udp-bsd.c0000664000175000017500000001422312024152577013045 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2006-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2006-2009 Nokia Corporation. All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Dafydd Harries, Collabora Ltd. * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ /* * Implementation of UDP socket interface using Berkeley sockets. (See * http://en.wikipedia.org/wiki/Berkeley_sockets.) */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include #include #include "udp-bsd.h" #ifndef G_OS_WIN32 #include #endif static void socket_close (NiceSocket *sock); static gint socket_recv (NiceSocket *sock, NiceAddress *from, guint len, gchar *buf); static gboolean socket_send (NiceSocket *sock, const NiceAddress *to, guint len, const gchar *buf); static gboolean socket_is_reliable (NiceSocket *sock); struct UdpBsdSocketPrivate { NiceAddress niceaddr; GSocketAddress *gaddr; }; NiceSocket * nice_udp_bsd_socket_new (NiceAddress *addr) { struct sockaddr_storage name; NiceSocket *sock = g_slice_new0 (NiceSocket); GSocket *gsock = NULL; gboolean gret = FALSE; GSocketAddress *gaddr; struct UdpBsdSocketPrivate *priv; if (addr != NULL) { nice_address_copy_to_sockaddr(addr, (struct sockaddr *)&name); } else { memset (&name, 0, sizeof (name)); name.ss_family = AF_UNSPEC; } if (name.ss_family == AF_UNSPEC || name.ss_family == AF_INET) { gsock = g_socket_new (G_SOCKET_FAMILY_IPV4, G_SOCKET_TYPE_DATAGRAM, G_SOCKET_PROTOCOL_UDP, NULL); name.ss_family = AF_INET; #ifdef HAVE_SA_LEN name.ss_len = sizeof (struct sockaddr_in); #endif } else if (name.ss_family == AF_INET6) { gsock = g_socket_new (G_SOCKET_FAMILY_IPV6, G_SOCKET_TYPE_DATAGRAM, G_SOCKET_PROTOCOL_UDP, NULL); name.ss_family = AF_INET6; #ifdef HAVE_SA_LEN name.ss_len = sizeof (struct sockaddr_in6); #endif } if (gsock == NULL) { g_slice_free (NiceSocket, sock); return NULL; } /* GSocket: All socket file descriptors are set to be close-on-exec. */ g_socket_set_blocking (gsock, false); gaddr = g_socket_address_new_from_native (&name, sizeof (name)); if (gaddr != NULL) { gret = g_socket_bind (gsock, gaddr, FALSE, NULL); g_object_unref (gaddr); } if (gret == FALSE) { g_slice_free (NiceSocket, sock); g_socket_close (gsock, NULL); g_object_unref (gsock); return NULL; } gaddr = g_socket_get_local_address (gsock, NULL); if (gaddr == NULL || !g_socket_address_to_native (gaddr, &name, sizeof(name), NULL)) { g_slice_free (NiceSocket, sock); g_socket_close (gsock, NULL); g_object_unref (gsock); return NULL; } g_object_unref (gaddr); nice_address_set_from_sockaddr (&sock->addr, (struct sockaddr *)&name); priv = sock->priv = g_slice_new0 (struct UdpBsdSocketPrivate); nice_address_init (&priv->niceaddr); sock->fileno = gsock; sock->send = socket_send; sock->recv = socket_recv; sock->is_reliable = socket_is_reliable; sock->close = socket_close; return sock; } static void socket_close (NiceSocket *sock) { struct UdpBsdSocketPrivate *priv = sock->priv; if (priv->gaddr) g_object_unref (priv->gaddr); g_slice_free (struct UdpBsdSocketPrivate, sock->priv); if (sock->fileno) { g_socket_close (sock->fileno, NULL); g_object_unref (sock->fileno); sock->fileno = NULL; } } static gint socket_recv (NiceSocket *sock, NiceAddress *from, guint len, gchar *buf) { GSocketAddress *gaddr = NULL; GError *gerr = NULL; gint recvd; recvd = g_socket_receive_from (sock->fileno, &gaddr, buf, len, NULL, &gerr); if (recvd < 0) { if (g_error_matches(gerr, G_IO_ERROR, G_IO_ERROR_WOULD_BLOCK) || g_error_matches(gerr, G_IO_ERROR, G_IO_ERROR_FAILED)) recvd = 0; g_error_free (gerr); } if (recvd > 0 && from != NULL && gaddr != NULL) { struct sockaddr_storage sa; g_socket_address_to_native (gaddr, &sa, sizeof (sa), NULL); nice_address_set_from_sockaddr (from, (struct sockaddr *)&sa); } if (gaddr != NULL) g_object_unref (gaddr); return recvd; } static gboolean socket_send (NiceSocket *sock, const NiceAddress *to, guint len, const gchar *buf) { struct UdpBsdSocketPrivate *priv = sock->priv; ssize_t sent; if (!nice_address_is_valid (&priv->niceaddr) || !nice_address_equal (&priv->niceaddr, to)) { struct sockaddr_storage sa; GSocketAddress *gaddr; if (priv->gaddr) g_object_unref (priv->gaddr); nice_address_copy_to_sockaddr (to, (struct sockaddr *)&sa); gaddr = g_socket_address_new_from_native (&sa, sizeof(sa)); if (gaddr == NULL) return -1; priv->gaddr = gaddr; priv->niceaddr = *to; } sent = g_socket_send_to (sock->fileno, priv->gaddr, buf, len, NULL, NULL); return sent == (ssize_t)len; } static gboolean socket_is_reliable (NiceSocket *sock) { return FALSE; } libnice-0.1.4/socket/socks5.c0000664000175000017500000003006012024152577012713 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008 Collabora Ltd. * Contact: Youness Alaoui * (C) 2008 Nokia Corporation. All rights reserved. * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ /* * Implementation of TCP relay socket interface using TCP Berkeley sockets. (See * http://en.wikipedia.org/wiki/Berkeley_sockets.) */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include "socks5.h" #include #ifndef G_OS_WIN32 #include #endif typedef enum { SOCKS_STATE_INIT, SOCKS_STATE_AUTH, SOCKS_STATE_CONNECT, SOCKS_STATE_CONNECTED, SOCKS_STATE_ERROR } SocksState; typedef struct { SocksState state; NiceSocket *base_socket; NiceAddress addr; gchar *username; gchar *password; GQueue send_queue; } Socks5Priv; struct to_be_sent { guint length; gchar *buf; NiceAddress to; }; static void socket_close (NiceSocket *sock); static gint socket_recv (NiceSocket *sock, NiceAddress *from, guint len, gchar *buf); static gboolean socket_send (NiceSocket *sock, const NiceAddress *to, guint len, const gchar *buf); static gboolean socket_is_reliable (NiceSocket *sock); static void add_to_be_sent (NiceSocket *sock, const NiceAddress *to, const gchar *buf, guint len); static void free_to_be_sent (struct to_be_sent *tbs); NiceSocket * nice_socks5_socket_new (NiceSocket *base_socket, NiceAddress *addr, gchar *username, gchar *password) { Socks5Priv *priv; NiceSocket *sock = NULL; if (addr) { sock = g_slice_new0 (NiceSocket); sock->priv = priv = g_slice_new0 (Socks5Priv); priv->base_socket = base_socket; priv->addr = *addr; priv->username = g_strdup (username); priv->password = g_strdup (password); sock->fileno = priv->base_socket->fileno; sock->addr = priv->base_socket->addr; sock->send = socket_send; sock->recv = socket_recv; sock->is_reliable = socket_is_reliable; sock->close = socket_close; /* Send SOCKS5 handshake */ { gchar msg[4]; gint len = 3; msg[0] = 0x05; /* SOCKS version */ msg[1] = 0x01; /* number of methods supported */ msg[2] = 0x00; /* no authentication method*/ g_debug ("user/pass : %s - %s", username, password); /* add support for authentication method */ if (username || password) { msg[1] = 0x02; /* number of methods supported */ msg[3] = 0x02; /* authentication method */ len++; } /* We send 'to' NULL because it will always be to an already connected * TCP base socket, which ignores the destination */ nice_socket_send (priv->base_socket, NULL, len, msg); priv->state = SOCKS_STATE_INIT; } } return sock; } static void socket_close (NiceSocket *sock) { Socks5Priv *priv = sock->priv; if (priv->base_socket) nice_socket_free (priv->base_socket); if (priv->username) g_free (priv->username); if (priv->password) g_free (priv->password); g_queue_foreach (&priv->send_queue, (GFunc) free_to_be_sent, NULL); g_queue_clear (&priv->send_queue); g_slice_free(Socks5Priv, sock->priv); } static gint socket_recv (NiceSocket *sock, NiceAddress *from, guint len, gchar *buf) { Socks5Priv *priv = sock->priv; if (from) *from = priv->addr; switch (priv->state) { case SOCKS_STATE_CONNECTED: if (priv->base_socket) return nice_socket_recv (priv->base_socket, NULL, len, buf); break; case SOCKS_STATE_INIT: { gchar data[2]; gint ret = -1; nice_debug ("Socks5 state Init"); if (priv->base_socket) ret = nice_socket_recv (priv->base_socket, NULL, sizeof(data), data); if (ret <= 0) { return ret; } else if(ret == sizeof(data)) { if (data[0] == 0x05) { if (data[1] == 0x02) { gchar msg[515]; gint len = 0; if (priv->username || priv->password) { gint ulen = 0; gint plen = 0; if (priv->username) ulen = strlen (priv->username); if (ulen > 255) { nice_debug ("Socks5 username length > 255"); goto error; } if (priv->password) plen = strlen (priv->password); if (plen > 255) { nice_debug ("Socks5 password length > 255"); goto error; } msg[len++] = 0x01; /* auth version */ msg[len++] = ulen; /* username length */ if (ulen > 0) memcpy (msg + len, priv->username, ulen); /* Username */ len += ulen; msg[len++] = plen; /* Password length */ if (plen > 0) memcpy (msg + len, priv->password, plen); /* Password */ len += plen; nice_socket_send (priv->base_socket, NULL, len, msg); priv->state = SOCKS_STATE_AUTH; } else { /* Authentication required but no auth info available */ goto error; } } else if (data[1] == 0x00) { goto send_connect; } else { /* method not supported by socks server */ goto error; } } else { /* invalid SOCKS server version */ goto error; } } else { /* read error */ goto error; } } break; case SOCKS_STATE_AUTH: { gchar data[2]; gint ret = -1; nice_debug ("Socks5 state auth"); if (priv->base_socket) ret = nice_socket_recv (priv->base_socket, NULL, sizeof(data), data); if (ret <= 0) { return ret; } else if(ret == sizeof(data)) { if (data[0] == 0x01 && data[1] == 0x00) { /* Authenticated */ goto send_connect; } else { /* Authentication failed */ goto error; } } } break; case SOCKS_STATE_CONNECT: { gchar data[22]; gint ret = -1; nice_debug ("Socks5 state connect"); if (priv->base_socket) ret = nice_socket_recv (priv->base_socket, NULL, 4, data); if (ret <= 0) { return ret; } else if(ret == 4) { if (data[0] == 0x05) { switch (data[1]) { case 0x00: if (data[2] == 0x00) { struct to_be_sent *tbs = NULL; switch (data[3]) { case 0x01: /* IPV4 bound address */ ret = nice_socket_recv (priv->base_socket, NULL, 6, data); if (ret != 6) { /* Could not read server bound address */ goto error; } break; case 0x04: /* IPV6 bound address */ ret = nice_socket_recv (priv->base_socket, NULL, 18, data); if (ret != 18) { /* Could not read server bound address */ goto error; } break; default: /* Unsupported address type */ goto error; } while ((tbs = g_queue_pop_head (&priv->send_queue))) { nice_socket_send (priv->base_socket, &tbs->to, tbs->length, tbs->buf); g_free (tbs->buf); g_slice_free (struct to_be_sent, tbs); } priv->state = SOCKS_STATE_CONNECTED; } else { /* Wrong reserved value */ goto error; } break; case 0x01: /* general SOCKS server failure */ case 0x02: /* connection not allowed by ruleset */ case 0x03: /* Network unreachable */ case 0x04: /* Host unreachable */ case 0x05: /* Connection refused */ case 0x06: /* TTL expired */ case 0x07: /* Command not supported */ case 0x08: /* Address type not supported */ default: /* Unknown error */ goto error; break; } } else { /* Wrong server version */ goto error; } } else { /* Invalid data received */ goto error; } } break; default: /* Unknown status */ goto error; } return 0; send_connect: { gchar msg[22]; gint len = 0; struct sockaddr_storage name; nice_address_copy_to_sockaddr(&priv->addr, (struct sockaddr *)&name); msg[len++] = 0x05; /* SOCKS version */ msg[len++] = 0x01; /* connect command */ msg[len++] = 0x00; /* reserved */ if (name.ss_family == AF_INET) { msg[len++] = 0x01; /* IPV4 address type */ /* Address */ memcpy (msg + len, &((struct sockaddr_in *) &name)->sin_addr, 4); len += 4; /* Port */ memcpy (msg + len, &((struct sockaddr_in *) &name)->sin_port, 2); len += 2; } else if (name.ss_family == AF_INET6) { msg[len++] = 0x04; /* IPV6 address type */ /* Address */ memcpy (msg + len, &((struct sockaddr_in6 *) &name)->sin6_addr, 16); len += 16; /* Port */ memcpy (msg + len, &((struct sockaddr_in6 *) &name)->sin6_port, 2); len += 2; } nice_socket_send (priv->base_socket, NULL, len, msg); priv->state = SOCKS_STATE_CONNECT; return 0; } error: nice_debug ("Socks5 error"); if (priv->base_socket) nice_socket_free (priv->base_socket); priv->base_socket = NULL; priv->state = SOCKS_STATE_ERROR; return -1; } static gboolean socket_send (NiceSocket *sock, const NiceAddress *to, guint len, const gchar *buf) { Socks5Priv *priv = sock->priv; if (priv->state == SOCKS_STATE_CONNECTED) { if (priv->base_socket) return nice_socket_send (priv->base_socket, to, len, buf); else return FALSE; } else if (priv->state == SOCKS_STATE_ERROR) { return FALSE; } else { add_to_be_sent (sock, to, buf, len); } return TRUE; } static gboolean socket_is_reliable (NiceSocket *sock) { return TRUE; } static void add_to_be_sent (NiceSocket *sock, const NiceAddress *to, const gchar *buf, guint len) { Socks5Priv *priv = sock->priv; struct to_be_sent *tbs = NULL; if (len <= 0) return; tbs = g_slice_new0 (struct to_be_sent); tbs->buf = g_memdup (buf, len); tbs->length = len; if (to) tbs->to = *to; g_queue_push_tail (&priv->send_queue, tbs); } static void free_to_be_sent (struct to_be_sent *tbs) { g_free (tbs->buf); g_slice_free (struct to_be_sent, tbs); } libnice-0.1.4/socket/socket.c0000664000175000017500000000413112024152577012774 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2008-2009 Nokia Corporation. All rights reserved. * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include "socket.h" gint nice_socket_recv (NiceSocket *sock, NiceAddress *from, guint len, gchar *buf) { return sock->recv (sock, from, len, buf); } gboolean nice_socket_send (NiceSocket *sock, const NiceAddress *to, guint len, const gchar *buf) { return sock->send (sock, to, len, buf); } gboolean nice_socket_is_reliable (NiceSocket *sock) { return sock->is_reliable (sock); } void nice_socket_free (NiceSocket *sock) { if (sock) { sock->close (sock); g_slice_free (NiceSocket,sock); } } libnice-0.1.4/socket/turn.h0000664000175000017500000000474311714640455012514 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008 Collabora Ltd. * Contact: Youness Alaoui * (C) 2008 Nokia Corporation * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef _TURN_H #define _TURN_H typedef enum { NICE_TURN_SOCKET_COMPATIBILITY_DRAFT9, NICE_TURN_SOCKET_COMPATIBILITY_GOOGLE, NICE_TURN_SOCKET_COMPATIBILITY_MSN, NICE_TURN_SOCKET_COMPATIBILITY_OC2007, NICE_TURN_SOCKET_COMPATIBILITY_RFC5766, } NiceTurnSocketCompatibility; #include "socket.h" #include "stun/stunmessage.h" G_BEGIN_DECLS gint nice_turn_socket_parse_recv (NiceSocket *sock, NiceSocket **from_sock, NiceAddress *from, guint len, gchar *buf, NiceAddress *recv_from, gchar *recv_buf, guint recv_len); gboolean nice_turn_socket_set_peer (NiceSocket *sock, NiceAddress *peer); NiceSocket * nice_turn_socket_new (GMainContext *ctx, NiceAddress *addr, NiceSocket *base_socket, NiceAddress *server_addr, gchar *username, gchar *password, NiceTurnSocketCompatibility compatibility); void nice_turn_socket_set_ms_realm(NiceSocket *sock, StunMessage *msg); void nice_turn_socket_set_ms_connection_id (NiceSocket *sock, StunMessage *msg); G_END_DECLS #endif /* _TURN_H */ libnice-0.1.4/socket/Makefile.in0000664000175000017500000004326412112006557013411 00000000000000# Makefile.in generated by automake 1.11.6 from Makefile.am. # @configure_input@ # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, # 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software # Foundation, Inc. # This Makefile.in is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; without # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. @SET_MAKE@ # # Makefile.am for the Nice Glib ICE library # # (C) 2006, 2007 Collabora Ltd. # (C) 2006, 2007 Nokia Corporation. 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All rights reserved. * Contact: Kai Vehmanen * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Dafydd Harries, Collabora Ltd. * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef _UDP_BSD_H #define _UDP_BSD_H #include "socket.h" G_BEGIN_DECLS NiceSocket * nice_udp_bsd_socket_new (NiceAddress *addr); G_END_DECLS #endif /* _UDP_BSD_H */ libnice-0.1.4/socket/socks5.h0000644000175000017500000000340011241364464012714 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008 Collabora Ltd. * Contact: Youness Alaoui * (C) 2008 Nokia Corporation. All rights reserved. * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef _SOCKS5_H #define _SOCKS5_H #include "socket.h" #include "agent.h" G_BEGIN_DECLS NiceSocket * nice_socks5_socket_new (NiceSocket *base_socket, NiceAddress *addr, gchar *username, gchar *password); G_END_DECLS #endif /* _SOCKS5_H */ libnice-0.1.4/socket/tcp-bsd.c0000664000175000017500000002442512024152577013050 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2008-2009 Nokia Corporation. All rights reserved. * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ /* * Implementation of TCP relay socket interface using TCP Berkeley sockets. (See * http://en.wikipedia.org/wiki/Berkeley_sockets.) */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include "tcp-bsd.h" #include "agent-priv.h" #include #include #include #ifndef G_OS_WIN32 #include #endif typedef struct { NiceAddress server_addr; GQueue send_queue; GMainContext *context; GSource *io_source; gboolean error; } TcpPriv; struct to_be_sent { guint length; gchar *buf; gboolean can_drop; }; #define MAX_QUEUE_LENGTH 20 static void socket_close (NiceSocket *sock); static gint socket_recv (NiceSocket *sock, NiceAddress *from, guint len, gchar *buf); static gboolean socket_send (NiceSocket *sock, const NiceAddress *to, guint len, const gchar *buf); static gboolean socket_is_reliable (NiceSocket *sock); static void add_to_be_sent (NiceSocket *sock, const gchar *buf, guint len, gboolean head); static void free_to_be_sent (struct to_be_sent *tbs); static gboolean socket_send_more (GSocket *gsocket, GIOCondition condition, gpointer data); NiceSocket * nice_tcp_bsd_socket_new (GMainContext *ctx, NiceAddress *addr) { struct sockaddr_storage name; NiceSocket *sock; TcpPriv *priv; GSocket *gsock = NULL; GError *gerr = NULL; gboolean gret = FALSE; GSocketAddress *gaddr; if (addr == NULL) { /* We can't connect a tcp socket with no destination address */ return NULL; } sock = g_slice_new0 (NiceSocket); nice_address_copy_to_sockaddr (addr, (struct sockaddr *)&name); if (gsock == NULL) { if (name.ss_family == AF_UNSPEC || name.ss_family == AF_INET) { gsock = g_socket_new (G_SOCKET_FAMILY_IPV4, G_SOCKET_TYPE_STREAM, G_SOCKET_PROTOCOL_TCP, NULL); name.ss_family = AF_INET; #ifdef HAVE_SA_LEN name.ss_len = sizeof (struct sockaddr_in); #endif } else if (name.ss_family == AF_INET6) { gsock = g_socket_new (G_SOCKET_FAMILY_IPV6, G_SOCKET_TYPE_STREAM, G_SOCKET_PROTOCOL_TCP, NULL); name.ss_family = AF_INET6; #ifdef HAVE_SA_LEN name.ss_len = sizeof (struct sockaddr_in6); #endif } } if (gsock == NULL) { g_slice_free (NiceSocket, sock); return NULL; } /* GSocket: All socket file descriptors are set to be close-on-exec. */ g_socket_set_blocking (gsock, false); gaddr = g_socket_address_new_from_native (&name, sizeof (name)); if (gaddr != NULL) { gret = g_socket_connect (gsock, gaddr, NULL, &gerr); g_object_unref (gaddr); } if (gret == FALSE) { if (g_error_matches (gerr, G_IO_ERROR, G_IO_ERROR_PENDING) == FALSE) { g_socket_close (gsock, NULL); g_object_unref (gsock); g_slice_free (NiceSocket, sock); return NULL; } g_error_free(gerr); } gaddr = g_socket_get_local_address (gsock, NULL); if (gaddr == NULL || !g_socket_address_to_native (gaddr, &name, sizeof (name), NULL)) { g_slice_free (NiceSocket, sock); g_socket_close (gsock, NULL); g_object_unref (gsock); return NULL; } g_object_unref (gaddr); nice_address_set_from_sockaddr (&sock->addr, (struct sockaddr *)&name); sock->priv = priv = g_slice_new0 (TcpPriv); priv->context = g_main_context_ref (ctx); priv->server_addr = *addr; priv->error = FALSE; sock->fileno = gsock; sock->send = socket_send; sock->recv = socket_recv; sock->is_reliable = socket_is_reliable; sock->close = socket_close; return sock; } static void socket_close (NiceSocket *sock) { TcpPriv *priv = sock->priv; if (sock->fileno) { g_socket_close (sock->fileno, NULL); g_object_unref (sock->fileno); sock->fileno = NULL; } if (priv->io_source) { g_source_destroy (priv->io_source); g_source_unref (priv->io_source); } g_queue_foreach (&priv->send_queue, (GFunc) free_to_be_sent, NULL); g_queue_clear (&priv->send_queue); if (priv->context) g_main_context_unref (priv->context); g_slice_free(TcpPriv, sock->priv); } static gint socket_recv (NiceSocket *sock, NiceAddress *from, guint len, gchar *buf) { TcpPriv *priv = sock->priv; int ret; GError *gerr = NULL; /* Don't try to access the socket if it had an error */ if (priv->error) return -1; ret = g_socket_receive (sock->fileno, buf, len, NULL, &gerr); /* recv returns 0 when the peer performed a shutdown.. we must return -1 here * so that the agent destroys the g_source */ if (ret == 0) { priv->error = TRUE; return -1; } if (ret < 0) { if(g_error_matches (gerr, G_IO_ERROR, G_IO_ERROR_WOULD_BLOCK)) ret = 0; g_error_free (gerr); return ret; } if (from) *from = priv->server_addr; return ret; } /* Data sent to this function must be a single entity because buffers can be * dropped if the bandwidth isn't fast enough. So do not send a message in * multiple chunks. */ static gboolean socket_send (NiceSocket *sock, const NiceAddress *to, guint len, const gchar *buf) { TcpPriv *priv = sock->priv; int ret; GError *gerr = NULL; /* Don't try to access the socket if it had an error, otherwise we risk a crash with SIGPIPE (Broken pipe) */ if (priv->error) return -1; /* First try to send the data, don't send it later if it can be sent now this way we avoid allocating memory on every send */ if (g_queue_is_empty (&priv->send_queue)) { ret = g_socket_send (sock->fileno, buf, len, NULL, &gerr); if (ret < 0) { if(g_error_matches (gerr, G_IO_ERROR, G_IO_ERROR_WOULD_BLOCK) || g_error_matches (gerr, G_IO_ERROR, G_IO_ERROR_FAILED)) { add_to_be_sent (sock, buf, len, FALSE); g_error_free (gerr); return TRUE; } else { g_error_free (gerr); return FALSE; } } else if ((guint)ret < len) { add_to_be_sent (sock, buf + ret, len - ret, TRUE); return TRUE; } } else { if (g_queue_get_length(&priv->send_queue) >= MAX_QUEUE_LENGTH) { int peek_idx = 0; struct to_be_sent *tbs = NULL; while ((tbs = g_queue_peek_nth (&priv->send_queue, peek_idx)) != NULL) { if (tbs->can_drop) { tbs = g_queue_pop_nth (&priv->send_queue, peek_idx); g_free (tbs->buf); g_slice_free (struct to_be_sent, tbs); break; } else { peek_idx++; } } } add_to_be_sent (sock, buf, len, FALSE); } return TRUE; } static gboolean socket_is_reliable (NiceSocket *sock) { return TRUE; } /* * Returns: * -1 = error * 0 = have more to send * 1 = sent everything */ static gboolean socket_send_more ( GSocket *gsocket, GIOCondition condition, gpointer data) { NiceSocket *sock = (NiceSocket *) data; TcpPriv *priv = sock->priv; struct to_be_sent *tbs = NULL; GError *gerr = NULL; agent_lock (); if (g_source_is_destroyed (g_main_current_source ())) { nice_debug ("Source was destroyed. " "Avoided race condition in tcp-bsd.c:socket_send_more"); agent_unlock (); return FALSE; } while ((tbs = g_queue_pop_head (&priv->send_queue)) != NULL) { int ret; if(condition & G_IO_HUP) { /* connection hangs up */ ret = -1; } else { ret = g_socket_send (sock->fileno, tbs->buf, tbs->length, NULL, &gerr); } if (ret < 0) { if(gerr != NULL && g_error_matches (gerr, G_IO_ERROR, G_IO_ERROR_WOULD_BLOCK)) { add_to_be_sent (sock, tbs->buf, tbs->length, TRUE); g_free (tbs->buf); g_slice_free (struct to_be_sent, tbs); g_error_free (gerr); break; } g_error_free (gerr); } else if (ret < (int) tbs->length) { add_to_be_sent (sock, tbs->buf + ret, tbs->length - ret, TRUE); g_free (tbs->buf); g_slice_free (struct to_be_sent, tbs); break; } g_free (tbs->buf); g_slice_free (struct to_be_sent, tbs); } if (g_queue_is_empty (&priv->send_queue)) { g_source_destroy (priv->io_source); g_source_unref (priv->io_source); priv->io_source = NULL; agent_unlock (); return FALSE; } agent_unlock (); return TRUE; } static void add_to_be_sent (NiceSocket *sock, const gchar *buf, guint len, gboolean head) { TcpPriv *priv = sock->priv; struct to_be_sent *tbs = NULL; if (len <= 0) return; tbs = g_slice_new0 (struct to_be_sent); tbs->buf = g_memdup (buf, len); tbs->length = len; tbs->can_drop = !head; if (head) g_queue_push_head (&priv->send_queue, tbs); else g_queue_push_tail (&priv->send_queue, tbs); if (priv->io_source == NULL) { priv->io_source = g_socket_create_source(sock->fileno, G_IO_OUT, NULL); g_source_set_callback (priv->io_source, (GSourceFunc) socket_send_more, sock, NULL); g_source_attach (priv->io_source, priv->context); } } static void free_to_be_sent (struct to_be_sent *tbs) { g_free (tbs->buf); g_slice_free (struct to_be_sent, tbs); } libnice-0.1.4/socket/tcp-bsd.h0000664000175000017500000000331711714640455013054 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2008-2009 Nokia Corporation. All rights reserved. * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef _TCP_BSD_H #define _TCP_BSD_H #include "socket.h" G_BEGIN_DECLS NiceSocket * nice_tcp_bsd_socket_new (GMainContext *ctx, NiceAddress *addr); G_END_DECLS #endif /* _TCP_BSD_H */ libnice-0.1.4/socket/tcp-turn.h0000664000175000017500000000341011714640455013266 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2008-2009 Nokia Corporation. All rights reserved. * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef _TCP_TURN_H #define _TCP_TURN_H #include "socket.h" #include "agent.h" G_BEGIN_DECLS NiceSocket * nice_tcp_turn_socket_new (NiceSocket *base_socket, NiceTurnSocketCompatibility compatibility); G_END_DECLS #endif /* _TCP_TURN_H */ libnice-0.1.4/socket/socket.h0000664000175000017500000000517612024152577013013 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2008-2009 Nokia Corporation. All rights reserved. * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef _SOCKET_H #define _SOCKET_H #include "address.h" #include #ifdef G_OS_WIN32 #include #include #else #include #include #include #include #endif G_BEGIN_DECLS typedef struct _NiceSocket NiceSocket; struct _NiceSocket { NiceAddress addr; GSocket *fileno; gint (*recv) (NiceSocket *sock, NiceAddress *from, guint len, gchar *buf); gboolean (*send) (NiceSocket *sock, const NiceAddress *to, guint len, const gchar *buf); gboolean (*is_reliable) (NiceSocket *sock); void (*close) (NiceSocket *sock); void *priv; }; G_GNUC_WARN_UNUSED_RESULT gint nice_socket_recv (NiceSocket *sock, NiceAddress *from, guint len, gchar *buf); gboolean nice_socket_send (NiceSocket *sock, const NiceAddress *to, guint len, const gchar *buf); gboolean nice_socket_is_reliable (NiceSocket *sock); void nice_socket_free (NiceSocket *sock); #include "udp-bsd.h" #include "tcp-bsd.h" #include "pseudossl.h" #include "socks5.h" #include "http.h" #include "turn.h" #include "tcp-turn.h" G_END_DECLS #endif /* _SOCKET_H */ libnice-0.1.4/socket/Makefile.am0000664000175000017500000000123012024152577013371 00000000000000# # Makefile.am for the Nice Glib ICE library # # (C) 2006, 2007 Collabora Ltd. # (C) 2006, 2007 Nokia Corporation. All rights reserved. # # Licensed under MPL 1.1/LGPL 2.1. See file COPYING. include $(top_srcdir)/common.mk AM_CFLAGS = \ -DG_LOG_DOMAIN=\"libnice-socket\" \ $(ERROR_CFLAGS) \ $(GLIB_CFLAGS) \ $(GUPNP_CFLAGS) \ -I $(top_srcdir)/random \ -I $(top_srcdir)/agent \ -I $(top_srcdir)/ noinst_LTLIBRARIES = libsocket.la libsocket_la_SOURCES = \ socket.h \ socket.c \ udp-bsd.h \ udp-bsd.c \ tcp-bsd.h \ tcp-bsd.c \ pseudossl.h \ pseudossl.c \ socks5.h \ socks5.c \ http.h \ http.c \ turn.h \ turn.c \ tcp-turn.h \ tcp-turn.c libnice-0.1.4/socket/http.h0000664000175000017500000000337011522161146012466 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008 Collabora Ltd. * Contact: Youness Alaoui * (C) 2008 Nokia Corporation. All rights reserved. * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef _HTTP_H #define _HTTP_H #include "socket.h" #include "agent.h" G_BEGIN_DECLS NiceSocket * nice_http_socket_new (NiceSocket *base_socket, NiceAddress *addr, gchar *username, gchar *password); G_END_DECLS #endif /* _HTTP_H */ libnice-0.1.4/socket/pseudossl.c0000664000175000017500000001460112024152577013530 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2008-2009 Nokia Corporation. All rights reserved. * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ /* * Implementation of TCP relay socket interface using TCP Berkeley sockets. (See * http://en.wikipedia.org/wiki/Berkeley_sockets.) */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include "pseudossl.h" #include #ifndef G_OS_WIN32 #include #endif typedef struct { gboolean handshaken; NiceSocket *base_socket; GQueue send_queue; } PseudoSSLPriv; struct to_be_sent { guint length; gchar *buf; NiceAddress to; }; static const gchar SSL_SERVER_HANDSHAKE[] = { 0x16, 0x03, 0x01, 0x00, 0x4a, 0x02, 0x00, 0x00, 0x46, 0x03, 0x01, 0x42, 0x85, 0x45, 0xa7, 0x27, 0xa9, 0x5d, 0xa0, 0xb3, 0xc5, 0xe7, 0x53, 0xda, 0x48, 0x2b, 0x3f, 0xc6, 0x5a, 0xca, 0x89, 0xc1, 0x58, 0x52, 0xa1, 0x78, 0x3c, 0x5b, 0x17, 0x46, 0x00, 0x85, 0x3f, 0x20, 0x0e, 0xd3, 0x06, 0x72, 0x5b, 0x5b, 0x1b, 0x5f, 0x15, 0xac, 0x13, 0xf9, 0x88, 0x53, 0x9d, 0x9b, 0xe8, 0x3d, 0x7b, 0x0c, 0x30, 0x32, 0x6e, 0x38, 0x4d, 0xa2, 0x75, 0x57, 0x41, 0x6c, 0x34, 0x5c, 0x00, 0x04, 0x00}; static const gchar SSL_CLIENT_HANDSHAKE[] = { 0x80, 0x46, 0x01, 0x03, 0x01, 0x00, 0x2d, 0x00, 0x00, 0x00, 0x10, 0x01, 0x00, 0x80, 0x03, 0x00, 0x80, 0x07, 0x00, 0xc0, 0x06, 0x00, 0x40, 0x02, 0x00, 0x80, 0x04, 0x00, 0x80, 0x00, 0x00, 0x04, 0x00, 0xfe, 0xff, 0x00, 0x00, 0x0a, 0x00, 0xfe, 0xfe, 0x00, 0x00, 0x09, 0x00, 0x00, 0x64, 0x00, 0x00, 0x62, 0x00, 0x00, 0x03, 0x00, 0x00, 0x06, 0x1f, 0x17, 0x0c, 0xa6, 0x2f, 0x00, 0x78, 0xfc, 0x46, 0x55, 0x2e, 0xb1, 0x83, 0x39, 0xf1, 0xea}; static void socket_close (NiceSocket *sock); static gint socket_recv (NiceSocket *sock, NiceAddress *from, guint len, gchar *buf); static gboolean socket_send (NiceSocket *sock, const NiceAddress *to, guint len, const gchar *buf); static gboolean socket_is_reliable (NiceSocket *sock); static void add_to_be_sent (NiceSocket *sock, const NiceAddress *to, const gchar *buf, guint len); static void free_to_be_sent (struct to_be_sent *tbs); NiceSocket * nice_pseudossl_socket_new (NiceSocket *base_socket) { PseudoSSLPriv *priv; NiceSocket *sock = g_slice_new0 (NiceSocket); sock->priv = priv = g_slice_new0 (PseudoSSLPriv); priv->handshaken = FALSE; priv->base_socket = base_socket; sock->fileno = priv->base_socket->fileno; sock->addr = priv->base_socket->addr; sock->send = socket_send; sock->recv = socket_recv; sock->is_reliable = socket_is_reliable; sock->close = socket_close; /* We send 'to' NULL because it will always be to an already connected * TCP base socket, which ignores the destination */ nice_socket_send (priv->base_socket, NULL, sizeof(SSL_CLIENT_HANDSHAKE), SSL_CLIENT_HANDSHAKE); return sock; } static void socket_close (NiceSocket *sock) { PseudoSSLPriv *priv = sock->priv; if (priv->base_socket) nice_socket_free (priv->base_socket); g_queue_foreach (&priv->send_queue, (GFunc) free_to_be_sent, NULL); g_queue_clear (&priv->send_queue); g_slice_free(PseudoSSLPriv, sock->priv); } static gint socket_recv (NiceSocket *sock, NiceAddress *from, guint len, gchar *buf) { PseudoSSLPriv *priv = sock->priv; if (priv->handshaken) { if (priv->base_socket) return nice_socket_recv (priv->base_socket, from, len, buf); } else { gchar data[sizeof(SSL_SERVER_HANDSHAKE)]; gint ret = -1; if (priv->base_socket) ret = nice_socket_recv (priv->base_socket, from, sizeof(data), data); if (ret <= 0) { return ret; } else if ((guint) ret == sizeof(SSL_SERVER_HANDSHAKE) && memcmp(SSL_SERVER_HANDSHAKE, data, sizeof(SSL_SERVER_HANDSHAKE)) == 0) { struct to_be_sent *tbs = NULL; priv->handshaken = TRUE; while ((tbs = g_queue_pop_head (&priv->send_queue))) { nice_socket_send (priv->base_socket, &tbs->to, tbs->length, tbs->buf); g_free (tbs->buf); g_slice_free (struct to_be_sent, tbs); } } else { if (priv->base_socket) nice_socket_free (priv->base_socket); priv->base_socket = NULL; return -1; } } return 0; } static gboolean socket_send (NiceSocket *sock, const NiceAddress *to, guint len, const gchar *buf) { PseudoSSLPriv *priv = sock->priv; if (priv->handshaken) { if (priv->base_socket) return nice_socket_send (priv->base_socket, to, len, buf); else return FALSE; } else { add_to_be_sent (sock, to, buf, len); } return TRUE; } static gboolean socket_is_reliable (NiceSocket *sock) { return TRUE; } static void add_to_be_sent (NiceSocket *sock, const NiceAddress *to, const gchar *buf, guint len) { PseudoSSLPriv *priv = sock->priv; struct to_be_sent *tbs = NULL; if (len <= 0) return; tbs = g_slice_new0 (struct to_be_sent); tbs->buf = g_memdup (buf, len); tbs->length = len; if (to) tbs->to = *to; g_queue_push_tail (&priv->send_queue, tbs); } static void free_to_be_sent (struct to_be_sent *tbs) { g_free (tbs->buf); g_slice_free (struct to_be_sent, tbs); } libnice-0.1.4/socket/http.c0000664000175000017500000002575712024152577012504 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008 Collabora Ltd. * Contact: Youness Alaoui * (C) 2008 Nokia Corporation. All rights reserved. * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ /* * Implementation of TCP relay socket interface using TCP Berkeley sockets. (See * http://en.wikipedia.org/wiki/Berkeley_sockets.) */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include "http.h" #include #include #ifndef G_OS_WIN32 #include #endif #define HTTP_USER_AGENT "libnice" typedef enum { HTTP_STATE_INIT, HTTP_STATE_HEADERS, HTTP_STATE_BODY, HTTP_STATE_CONNECTED, HTTP_STATE_ERROR } HttpState; typedef struct { HttpState state; NiceSocket *base_socket; NiceAddress addr; gchar *username; gchar *password; GQueue send_queue; gchar *recv_buf; gint recv_len; gint content_length; } HttpPriv; struct to_be_sent { guint length; gchar *buf; NiceAddress to; }; static void socket_close (NiceSocket *sock); static gint socket_recv (NiceSocket *sock, NiceAddress *from, guint len, gchar *buf); static gboolean socket_send (NiceSocket *sock, const NiceAddress *to, guint len, const gchar *buf); static gboolean socket_is_reliable (NiceSocket *sock); static void add_to_be_sent (NiceSocket *sock, const NiceAddress *to, const gchar *buf, guint len); static void free_to_be_sent (struct to_be_sent *tbs); NiceSocket * nice_http_socket_new (NiceSocket *base_socket, NiceAddress *addr, gchar *username, gchar *password) { HttpPriv *priv; NiceSocket *sock = NULL; if (addr) { sock = g_slice_new0 (NiceSocket); sock->priv = priv = g_slice_new0 (HttpPriv); priv->base_socket = base_socket; priv->addr = *addr; priv->username = g_strdup (username); priv->password = g_strdup (password); priv->recv_buf = NULL; priv->recv_len = 0; priv->content_length = 0; sock->fileno = priv->base_socket->fileno; sock->addr = priv->base_socket->addr; sock->send = socket_send; sock->recv = socket_recv; sock->is_reliable = socket_is_reliable; sock->close = socket_close; /* Send HTTP CONNECT */ { gchar *msg = NULL; gchar *credential = NULL; gchar host[INET6_ADDRSTRLEN]; gint port = nice_address_get_port (&priv->addr); nice_address_to_string (&priv->addr, host); if (username) { gchar * userpass = g_strdup_printf ("%s:%s", username, password ? password : ""); gchar * auth = g_base64_encode ((guchar *)userpass, strlen (userpass)); credential = g_strdup_printf ("Proxy-Authorization: Basic %s\r\n", auth); g_free (auth); g_free (userpass); } msg = g_strdup_printf ("CONNECT %s:%d HTTP/1.0\r\n" "Host: %s\r\n" "User-Agent: %s\r\n" "Content-Length: 0\r\n" "Proxy-Connection: Keep-Alive\r\n" "Connection: Keep-Alive\r\n" "Cache-Control: no-cache\r\n" "Pragma: no-cache\r\n" "%s\r\n", host, port, host, HTTP_USER_AGENT, credential? credential : "" ); g_free (credential); nice_socket_send (priv->base_socket, NULL, strlen (msg), msg); priv->state = HTTP_STATE_INIT; g_free (msg); } } return sock; } static void socket_close (NiceSocket *sock) { HttpPriv *priv = sock->priv; if (priv->base_socket) nice_socket_free (priv->base_socket); if (priv->username) g_free (priv->username); if (priv->password) g_free (priv->password); if (priv->recv_buf) g_free (priv->recv_buf); g_queue_foreach (&priv->send_queue, (GFunc) free_to_be_sent, NULL); g_queue_clear (&priv->send_queue); g_slice_free(HttpPriv, sock->priv); } static gint socket_recv (NiceSocket *sock, NiceAddress *from, guint len, gchar *buf) { HttpPriv *priv = sock->priv; gint read = -1; if (from) *from = priv->addr; if (priv->base_socket) read = nice_socket_recv (priv->base_socket, NULL, len, buf); if (read <= 0 || priv->state == HTTP_STATE_CONNECTED) { return read; } else { priv->recv_buf = g_realloc (priv->recv_buf, priv->recv_len + read); memcpy (priv->recv_buf + priv->recv_len, buf, read); priv->recv_len += read; } retry: nice_debug ("Receiving from HTTP proxy (state %d) : %d \n'%s'", priv->state, priv->recv_len, priv->recv_buf); switch (priv->state) { case HTTP_STATE_INIT: { gint pos = 0; /* Remove any leading spaces (could happen!) */ while (pos < priv->recv_len && priv->recv_buf[pos] == ' ') pos++; /* Make sure we have enough data */ if (pos >= priv->recv_len) goto not_enough_data; if (pos + 7 > priv->recv_len) goto not_enough_data; if (strncmp (priv->recv_buf + pos, "HTTP/1.", 7) != 0) goto error; pos += 7; if (pos >= priv->recv_len) goto not_enough_data; if(priv->recv_buf[pos] != '0' && priv->recv_buf[pos] != '1') goto error; pos++; /* Make sure we have a space after the HTTP version */ if (pos >= priv->recv_len) goto not_enough_data; if (priv->recv_buf[pos] != ' ') goto error; /* Skip all spaces (could be more than one!) */ while (pos < priv->recv_len && priv->recv_buf[pos] == ' ') pos++; if (pos >= priv->recv_len) goto not_enough_data; /* Check for a successfull 2xx code */ if (pos + 3 > priv->recv_len) goto not_enough_data; if (priv->recv_buf[pos] != '2' || priv->recv_buf[pos+1] < '0' || priv->recv_buf[pos+1] > '9' || priv->recv_buf[pos+2] < '0' || priv->recv_buf[pos+2] > '9') goto error; /* Clear any trailing chars */ while (pos + 1 < priv->recv_len && priv->recv_buf[pos] != '\r' && priv->recv_buf[pos+1] != '\n') pos++; if (pos + 1 >= priv->recv_len) goto not_enough_data; pos += 2; /* consume the data we just parsed */ priv->recv_len -= pos; memmove (priv->recv_buf, priv->recv_buf + pos, priv->recv_len); priv->recv_buf = g_realloc (priv->recv_buf, priv->recv_len); priv->content_length = 0; priv->state = HTTP_STATE_HEADERS; goto retry; } break; case HTTP_STATE_HEADERS: { gint pos = 0; if (pos + 15 < priv->recv_len && g_ascii_strncasecmp (priv->recv_buf, "Content-Length:", 15) == 0) { priv->content_length = atoi(priv->recv_buf + 15); } while (pos + 1 < priv->recv_len && priv->recv_buf[pos] != '\r' && priv->recv_buf[pos+1] != '\n') pos++; nice_debug ("pos = %d, len = %d", pos, priv->recv_len); if (pos + 1 >= priv->recv_len) goto not_enough_data; pos += 2; /* consume the data we just parsed */ priv->recv_len -= pos; memmove (priv->recv_buf, priv->recv_buf + pos, priv->recv_len); priv->recv_buf = g_realloc (priv->recv_buf, priv->recv_len); if (pos == 2) priv->state = HTTP_STATE_BODY; goto retry; } break; case HTTP_STATE_BODY: { gint consumed = priv->content_length; if (priv->content_length == 0) { priv->state = HTTP_STATE_CONNECTED; goto retry; } if (priv->recv_len == 0) goto not_enough_data; if (priv->content_length > priv->recv_len) consumed = priv->recv_len; priv->recv_len -= consumed; priv->content_length -= consumed; memmove (priv->recv_buf, priv->recv_buf + consumed, priv->recv_len); priv->recv_buf = g_realloc (priv->recv_buf, priv->recv_len); goto retry; } break; case HTTP_STATE_CONNECTED: { guint read = priv->recv_len; struct to_be_sent *tbs = NULL; if (read > len) read = len; memcpy (buf, priv->recv_buf, read); /* consume the data we returned */ priv->recv_len -= read; memmove (priv->recv_buf, priv->recv_buf + read, priv->recv_len); priv->recv_buf = g_realloc (priv->recv_buf, priv->recv_len); /* Send the pending data */ while ((tbs = g_queue_pop_head (&priv->send_queue))) { nice_socket_send (priv->base_socket, &tbs->to, tbs->length, tbs->buf); g_free (tbs->buf); g_slice_free (struct to_be_sent, tbs); } return read; } break; default: /* Unknown status */ goto error; } not_enough_data: return 0; error: nice_debug ("http error"); if (priv->base_socket) nice_socket_free (priv->base_socket); priv->base_socket = NULL; priv->state = HTTP_STATE_ERROR; return -1; } static gboolean socket_send (NiceSocket *sock, const NiceAddress *to, guint len, const gchar *buf) { HttpPriv *priv = sock->priv; if (priv->state == HTTP_STATE_CONNECTED) { if (priv->base_socket) return nice_socket_send (priv->base_socket, to, len, buf); else return FALSE; } else if (priv->state == HTTP_STATE_ERROR) { return FALSE; } else { add_to_be_sent (sock, to, buf, len); } return TRUE; } static gboolean socket_is_reliable (NiceSocket *sock) { return TRUE; } static void add_to_be_sent (NiceSocket *sock, const NiceAddress *to, const gchar *buf, guint len) { HttpPriv *priv = sock->priv; struct to_be_sent *tbs = NULL; if (len <= 0) return; tbs = g_slice_new0 (struct to_be_sent); tbs->buf = g_memdup (buf, len); tbs->length = len; if (to) tbs->to = *to; g_queue_push_tail (&priv->send_queue, tbs); } static void free_to_be_sent (struct to_be_sent *tbs) { g_free (tbs->buf); g_slice_free (struct to_be_sent, tbs); } libnice-0.1.4/socket/pseudossl.h0000664000175000017500000000331211714640455013534 00000000000000/* * This file is part of the Nice GLib ICE library. * * (C) 2008-2009 Collabora Ltd. * Contact: Youness Alaoui * (C) 2008-2009 Nokia Corporation. All rights reserved. * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Nice GLib ICE library. * * The Initial Developers of the Original Code are Collabora Ltd and Nokia * Corporation. All Rights Reserved. * * Contributors: * Youness Alaoui, Collabora Ltd. * * Alternatively, the contents of this file may be used under the terms of the * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which * case the provisions of LGPL are applicable instead of those above. If you * wish to allow use of your version of this file only under the terms of the * LGPL and not to allow others to use your version of this file under the * MPL, indicate your decision by deleting the provisions above and replace * them with the notice and other provisions required by the LGPL. If you do * not delete the provisions above, a recipient may use your version of this * file under either the MPL or the LGPL. */ #ifndef _PSEUDOSSL_H #define _PSEUDOSSL_H #include "socket.h" G_BEGIN_DECLS NiceSocket * nice_pseudossl_socket_new (NiceSocket *base_socket); G_END_DECLS #endif /* _PSEUDOSSL_H */