radvd-1.9.1/0000775000175000017500000000000011770076226007635 500000000000000radvd-1.9.1/config.sub0000755000175000017500000010460611770076146011546 00000000000000#! /bin/sh # Configuration validation subroutine script. # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, # 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, # 2011 Free Software Foundation, Inc. timestamp='2011-03-23' # This file is (in principle) common to ALL GNU software. # The presence of a machine in this file suggests that SOME GNU software # can handle that machine. 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, write to the Free Software # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA # 02110-1301, USA. # # 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 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/'` ;; *) 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. We also ### recognize some manufacturers as not being operating systems, so we ### can provide default operating systems below. case $os in -sun*os*) # Prevent following clause from handling this invalid input. ;; -dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \ -att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \ -unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \ -convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\ -c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \ -harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \ -apple | -axis | -knuth | -cray | -microblaze) os= basic_machine=$1 ;; -bluegene*) os=-cnk ;; -sim | -cisco | -oki | -wec | -winbond) os= basic_machine=$1 ;; -scout) ;; -wrs) os=-vxworks basic_machine=$1 ;; -chorusos*) os=-chorusos basic_machine=$1 ;; -chorusrdb) os=-chorusrdb basic_machine=$1 ;; -hiux*) os=-hiuxwe2 ;; -sco6) os=-sco5v6 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco5) os=-sco3.2v5 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco4) os=-sco3.2v4 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco3.2.[4-9]*) os=`echo $os | sed -e 's/sco3.2./sco3.2v/'` basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco3.2v[4-9]*) # Don't forget version if it is 3.2v4 or newer. basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco5v6*) # Don't forget version if it is 3.2v4 or newer. basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco*) os=-sco3.2v2 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -udk*) basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -isc) os=-isc2.2 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -clix*) basic_machine=clipper-intergraph ;; -isc*) basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -lynx*) os=-lynxos ;; -ptx*) basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'` ;; -windowsnt*) os=`echo $os | sed -e 's/windowsnt/winnt/'` ;; -psos*) os=-psos ;; -mint | -mint[0-9]*) basic_machine=m68k-atari os=-mint ;; esac # Decode aliases for certain CPU-COMPANY combinations. case $basic_machine in # Recognize the basic CPU types without company name. # Some are omitted here because they have special meanings below. 1750a | 580 \ | a29k \ | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \ | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \ | am33_2.0 \ | arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr | avr32 \ | bfin \ | c4x | clipper \ | d10v | d30v | dlx | dsp16xx \ | fido | fr30 | frv \ | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \ | i370 | i860 | i960 | ia64 \ | ip2k | iq2000 \ | lm32 \ | m32c | m32r | m32rle | m68000 | m68k | m88k \ | maxq | mb | microblaze | mcore | mep | metag \ | mips | mipsbe | mipseb | mipsel | mipsle \ | mips16 \ | mips64 | mips64el \ | mips64octeon | mips64octeonel \ | mips64orion | mips64orionel \ | mips64r5900 | mips64r5900el \ | mips64vr | mips64vrel \ | mips64vr4100 | mips64vr4100el \ | mips64vr4300 | mips64vr4300el \ | mips64vr5000 | mips64vr5000el \ | mips64vr5900 | mips64vr5900el \ | mipsisa32 | mipsisa32el \ | mipsisa32r2 | mipsisa32r2el \ | mipsisa64 | mipsisa64el \ | mipsisa64r2 | mipsisa64r2el \ | mipsisa64sb1 | mipsisa64sb1el \ | mipsisa64sr71k | mipsisa64sr71kel \ | mipstx39 | mipstx39el \ | mn10200 | mn10300 \ | moxie \ | mt \ | msp430 \ | nds32 | nds32le | nds32be \ | nios | nios2 \ | ns16k | ns32k \ | open8 \ | or32 \ | pdp10 | pdp11 | pj | pjl \ | powerpc | powerpc64 | powerpc64le | powerpcle \ | pyramid \ | rx \ | score \ | sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \ | sh64 | sh64le \ | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \ | sparcv8 | sparcv9 | sparcv9b | sparcv9v \ | spu \ | tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \ | ubicom32 \ | v850 | v850e \ | we32k \ | x86 | xc16x | xstormy16 | xtensa \ | z8k | z80) basic_machine=$basic_machine-unknown ;; c54x) basic_machine=tic54x-unknown ;; c55x) basic_machine=tic55x-unknown ;; c6x) basic_machine=tic6x-unknown ;; m6811 | m68hc11 | m6812 | m68hc12 | picochip) # Motorola 68HC11/12. basic_machine=$basic_machine-unknown os=-none ;; m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k) ;; ms1) basic_machine=mt-unknown ;; strongarm | thumb | xscale) basic_machine=arm-unknown ;; xscaleeb) basic_machine=armeb-unknown ;; xscaleel) basic_machine=armel-unknown ;; # We use `pc' rather than `unknown' # because (1) that's what they normally are, and # (2) the word "unknown" tends to confuse beginning users. i*86 | x86_64) basic_machine=$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-* \ | 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-* \ | 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-* \ | i*86-* | i860-* | i960-* | ia64-* \ | ip2k-* | iq2000-* \ | 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-* \ | 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-* | tilegx-* \ | tron-* \ | ubicom32-* \ | v850-* | v850e-* | 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'm not sure what "Sysv32" means. Should this be sysv3.2? 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 ;; merlin) basic_machine=ns32k-utek os=-sysv ;; microblaze) basic_machine=microblaze-xilinx ;; mingw32) basic_machine=i386-pc os=-mingw32 ;; mingw32ce) basic_machine=arm-unknown os=-mingw32ce ;; miniframe) basic_machine=m68000-convergent ;; *mint | -mint[0-9]* | *MiNT | *MiNT[0-9]*) basic_machine=m68k-atari os=-mint ;; mips3*-*) basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'` ;; mips3*) basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown ;; monitor) basic_machine=m68k-rom68k os=-coff ;; morphos) basic_machine=powerpc-unknown os=-morphos ;; msdos) basic_machine=i386-pc os=-msdos ;; ms1-*) basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'` ;; mvs) basic_machine=i370-ibm os=-mvs ;; ncr3000) basic_machine=i486-ncr os=-sysv4 ;; netbsd386) basic_machine=i386-unknown os=-netbsd ;; netwinder) basic_machine=armv4l-rebel os=-linux ;; news | news700 | news800 | news900) basic_machine=m68k-sony os=-newsos ;; news1000) basic_machine=m68030-sony os=-newsos ;; news-3600 | risc-news) basic_machine=mips-sony os=-newsos ;; necv70) basic_machine=v70-nec os=-sysv ;; next | m*-next ) basic_machine=m68k-next case $os in -nextstep* ) ;; -ns2*) os=-nextstep2 ;; *) os=-nextstep3 ;; esac ;; nh3000) basic_machine=m68k-harris os=-cxux ;; 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You should only need it if you modified a dependency of a manual page. You may need the \`Help2man' package in order for those modifications to take effect. You can get \`Help2man' from any GNU archive site." file=`echo "$*" | sed -n "$sed_output"` test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"` if test -f "$file"; then touch $file else test -z "$file" || exec >$file echo ".ab help2man is required to generate this page" exit $? fi ;; makeinfo*) echo 1>&2 "\ WARNING: \`$1' is $msg. You should only need it if you modified a \`.texi' or \`.texinfo' file, or any other file indirectly affecting the aspect of the manual. The spurious call might also be the consequence of using a buggy \`make' (AIX, DU, IRIX). You might want to install the \`Texinfo' package or the \`GNU make' package. Grab either from any GNU archive site." # The file to touch is that specified with -o ... file=`echo "$*" | sed -n "$sed_output"` test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"` if test -z "$file"; then # ... or it is the one specified with @setfilename ... infile=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'` file=`sed -n ' /^@setfilename/{ s/.* \([^ ]*\) *$/\1/ p q }' $infile` # ... or it is derived from the source name (dir/f.texi becomes f.info) test -z "$file" && file=`echo "$infile" | sed 's,.*/,,;s,.[^.]*$,,'`.info fi # If the file does not exist, the user really needs makeinfo; # let's fail without touching anything. test -f $file || exit 1 touch $file ;; tar*) shift # We have already tried tar in the generic part. # Look for gnutar/gtar before invocation to avoid ugly error # messages. if (gnutar --version > /dev/null 2>&1); then gnutar "$@" && exit 0 fi if (gtar --version > /dev/null 2>&1); then gtar "$@" && exit 0 fi firstarg="$1" if shift; then case $firstarg in *o*) firstarg=`echo "$firstarg" | sed s/o//` tar "$firstarg" "$@" && exit 0 ;; esac case $firstarg in *h*) firstarg=`echo "$firstarg" | sed s/h//` tar "$firstarg" "$@" && exit 0 ;; esac fi echo 1>&2 "\ WARNING: I can't seem to be able to run \`tar' with the given arguments. You may want to install GNU tar or Free paxutils, or check the command line arguments." exit 1 ;; *) echo 1>&2 "\ WARNING: \`$1' is needed, and is $msg. You might have modified some files without having the proper tools for further handling them. Check the \`README' file, it often tells you about the needed prerequisites for installing this package. You may also peek at any GNU archive site, in case some other package would contain this missing \`$1' program." exit 1 ;; esac exit 0 # 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: radvd-1.9.1/radvdump.c0000664000175000017500000003352411721640116011541 00000000000000/* * * Authors: * Lars Fenneberg * Marko Myllynen * * This software is Copyright 1996-2000 by the above mentioned author(s), * All Rights Reserved. * * The license which is distributed with this software in the file COPYRIGHT * applies to this software. If your distribution is missing this file, you * may request it from . * */ #include "config.h" #include "includes.h" #include "radvd.h" char usage_str[] = "[-vhfe] [-d level]"; #ifdef HAVE_GETOPT_LONG struct option prog_opt[] = { {"debug", 1, 0, 'd'}, {"file-format", 0, 0, 'f'}, {"exclude-defaults", 0, 0, 'e'}, {"version", 0, 0, 'v'}, {"help", 0, 0, 'h'}, {NULL, 0, 0, 0} }; #endif char *pname; int sock = -1; void version(void); void usage(void); void print_ff(unsigned char *, int, struct sockaddr_in6 *, int, unsigned int, int); void print_preferences(int); int main(int argc, char *argv[]) { unsigned char msg[MSG_SIZE_RECV]; int c, len, hoplimit; int edefs = 0; struct sockaddr_in6 rcv_addr; struct in6_pktinfo *pkt_info = NULL; #ifdef HAVE_GETOPT_LONG int opt_idx; #endif pname = ((pname=strrchr(argv[0],'/')) != NULL)?pname+1:argv[0]; /* parse args */ #ifdef HAVE_GETOPT_LONG while ((c = getopt_long(argc, argv, "d:fehv", prog_opt, &opt_idx)) > 0) #else while ((c = getopt(argc, argv, "d:fehv")) > 0) #endif { switch (c) { case 'd': set_debuglevel(atoi(optarg)); break; case 'f': break; case 'e': edefs = 1; break; case 'v': version(); break; case 'h': usage(); #ifdef HAVE_GETOPT_LONG case ':': fprintf(stderr, "%s: option %s: parameter expected\n", pname, prog_opt[opt_idx].name); exit(1); #endif case '?': exit(1); } } if (log_open(L_STDERR, pname, NULL, 0) < 0) { perror("log_open"); exit(1); } /* get a raw socket for sending and receiving ICMPv6 messages */ sock = open_icmpv6_socket(); if (sock < 0) { perror("open_icmpv6_socket"); exit(1); } for(;;) { len = recv_rs_ra(msg, &rcv_addr, &pkt_info, &hoplimit); if (len > 0) { struct icmp6_hdr *icmph; /* * can this happen? */ if (len < sizeof(struct icmp6_hdr)) { flog(LOG_WARNING, "received icmpv6 packet with invalid length: %d", len); exit(1); } icmph = (struct icmp6_hdr *) msg; if (icmph->icmp6_type != ND_ROUTER_SOLICIT && icmph->icmp6_type != ND_ROUTER_ADVERT) { /* * We just want to listen to RSs and RAs */ flog(LOG_ERR, "icmpv6 filter failed"); exit(1); } dlog(LOG_DEBUG, 4, "receiver if_index: %u", pkt_info->ipi6_ifindex); if (icmph->icmp6_type == ND_ROUTER_SOLICIT) { /* not yet */ } else if (icmph->icmp6_type == ND_ROUTER_ADVERT) print_ff(msg, len, &rcv_addr, hoplimit, (unsigned int)pkt_info->ipi6_ifindex, edefs); } else if (len == 0) { flog(LOG_ERR, "received zero lenght packet"); exit(1); } else { flog(LOG_ERR, "recv_rs_ra: %s", strerror(errno)); exit(1); } } exit(0); } void print_ff(unsigned char *msg, int len, struct sockaddr_in6 *addr, int hoplimit, unsigned int if_index, int edefs) { /* XXX: hoplimit not being used for anything here.. */ struct nd_router_advert *radvert; char addr_str[INET6_ADDRSTRLEN]; uint8_t *opt_str; int orig_len = len; char if_name[IFNAMSIZ] = ""; print_addr(&addr->sin6_addr, addr_str); printf("#\n# radvd configuration generated by radvdump %s\n", VERSION); printf("# based on Router Advertisement from %s\n", addr_str); if_indextoname(if_index, if_name); printf("# received by interface %s\n", if_name); printf("#\n\ninterface %s\n{\n\tAdvSendAdvert on;\n", if_name); printf("\t# Note: {Min,Max}RtrAdvInterval cannot be obtained with radvdump\n"); radvert = (struct nd_router_advert *) msg; if (!edefs || DFLT_AdvManagedFlag != (ND_RA_FLAG_MANAGED == (radvert->nd_ra_flags_reserved & ND_RA_FLAG_MANAGED))) printf("\tAdvManagedFlag %s;\n", (radvert->nd_ra_flags_reserved & ND_RA_FLAG_MANAGED)?"on":"off"); if (!edefs || DFLT_AdvOtherConfigFlag != (ND_RA_FLAG_OTHER == (radvert->nd_ra_flags_reserved & ND_RA_FLAG_OTHER))) printf("\tAdvOtherConfigFlag %s;\n", (radvert->nd_ra_flags_reserved & ND_RA_FLAG_OTHER)?"on":"off"); if (!edefs || DFLT_AdvReachableTime != ntohl(radvert->nd_ra_reachable)) printf("\tAdvReachableTime %u;\n", ntohl(radvert->nd_ra_reachable)); if (!edefs || DFLT_AdvRetransTimer != ntohl(radvert->nd_ra_retransmit)) printf("\tAdvRetransTimer %u;\n", ntohl(radvert->nd_ra_retransmit)); if (!edefs || DFLT_AdvCurHopLimit != radvert->nd_ra_curhoplimit) printf("\tAdvCurHopLimit %u;\n", radvert->nd_ra_curhoplimit); if (!edefs || (3*DFLT_MaxRtrAdvInterval) != ntohs(radvert->nd_ra_router_lifetime)) printf("\tAdvDefaultLifetime %hu;\n", ntohs(radvert->nd_ra_router_lifetime)); /* Mobile IPv6 ext */ if (!edefs || DFLT_AdvHomeAgentFlag != (ND_RA_FLAG_HOME_AGENT == (radvert->nd_ra_flags_reserved & ND_RA_FLAG_HOME_AGENT))) printf("\tAdvHomeAgentFlag %s;\n", (radvert->nd_ra_flags_reserved & ND_RA_FLAG_HOME_AGENT)?"on":"off"); /* Route Preferences and more specific routes */ /* XXX two middlemost bits from 8 bit field */ if (!edefs || (((radvert->nd_ra_flags_reserved & 0x18) >> 3) & 0xff) != DFLT_AdvDefaultPreference) { printf("\tAdvDefaultPreference "); print_preferences(((radvert->nd_ra_flags_reserved & 0x18) >> 3) & 0xff); printf(";\n"); } len -= sizeof(struct nd_router_advert); if (len == 0) return; opt_str = (uint8_t *)(msg + sizeof(struct nd_router_advert)); while (len > 0) { int optlen; struct nd_opt_mtu *mtu; struct HomeAgentInfo *ha_info; if (len < 2) { flog(LOG_ERR, "trailing garbage in RA from %s", addr_str); break; } optlen = (opt_str[1] << 3); if (optlen == 0) { flog(LOG_ERR, "zero length option in RA"); break; } else if (optlen > len) { flog(LOG_ERR, "option length greater than total" " length in RA (type %d, optlen %d, len %d)", (int)*opt_str, optlen, len); break; } switch (*opt_str) { case ND_OPT_MTU: mtu = (struct nd_opt_mtu *)opt_str; if (!edefs || DFLT_AdvLinkMTU != ntohl(mtu->nd_opt_mtu_mtu)) printf("\tAdvLinkMTU %u;\n", ntohl(mtu->nd_opt_mtu_mtu)); break; case ND_OPT_SOURCE_LINKADDR: /* XXX: !DFLT depends on current DFLT_ value */ if (!edefs || !DFLT_AdvSourceLLAddress) printf("\tAdvSourceLLAddress on;\n"); break; /* Mobile IPv6 ext */ case ND_OPT_RTR_ADV_INTERVAL: /* XXX: !DFLT depends on current DFLT_ value */ if (!edefs || !DFLT_AdvIntervalOpt) printf("\tAdvIntervalOpt on;\n"); break; /* Mobile IPv6 ext */ case ND_OPT_HOME_AGENT_INFO: ha_info = (struct HomeAgentInfo *)opt_str; /* XXX: we check DFLT_HomeAgentInfo by interface, and it's outside of context here, so we always need to print it out.. */ printf("\tAdvHomeAgentInfo on;\n"); /* NEMO ext */ if (!edefs || DFLT_AdvMobRtrSupportFlag != (ha_info->flags_reserved & ND_OPT_HAI_FLAG_SUPPORT_MR)) printf("\tAdvMobRtrSupportFlag %s;\n", (ha_info->flags_reserved & ND_OPT_HAI_FLAG_SUPPORT_MR)?"on":"off"); if (!edefs || DFLT_HomeAgentPreference != ntohs(ha_info->preference)) printf("\tHomeAgentPreference %hu;\n", ntohs(ha_info->preference)); /* Hum.. */ if (!edefs || (3*DFLT_MaxRtrAdvInterval) != ntohs(ha_info->lifetime)) printf("\tHomeAgentLifetime %hu;\n", ntohs(ha_info->lifetime)); break; case ND_OPT_TARGET_LINKADDR: case ND_OPT_REDIRECTED_HEADER: flog(LOG_ERR, "invalid option %d in RA", (int)*opt_str); break; case ND_OPT_PREFIX_INFORMATION: break; case ND_OPT_ROUTE_INFORMATION: break; case ND_OPT_RDNSS_INFORMATION: break; case ND_OPT_DNSSL_INFORMATION: break; default: dlog(LOG_DEBUG, 1, "unknown option %d in RA", (int)*opt_str); break; } len -= optlen; opt_str += optlen; } orig_len -= sizeof(struct nd_router_advert); if (orig_len == 0) return; opt_str = (uint8_t *)(msg + sizeof(struct nd_router_advert)); while (orig_len > 0) { int optlen; struct nd_opt_prefix_info *pinfo; struct nd_opt_route_info_local *rinfo; struct nd_opt_rdnss_info_local *rdnss_info; struct nd_opt_dnssl_info_local *dnssl_info; char prefix_str[INET6_ADDRSTRLEN]; char suffix[256]; int offset, label_len; if (orig_len < 2) { flog(LOG_ERR, "trailing garbage in RA from %s", addr_str); break; } optlen = (opt_str[1] << 3); if (optlen == 0) { flog(LOG_ERR, "zero length option in RA"); break; } else if (optlen > orig_len) { flog(LOG_ERR, "option length greater than total" " length in RA (type %d, optlen %d, len %d)", (int)*opt_str, optlen, orig_len); break; } switch (*opt_str) { case ND_OPT_PREFIX_INFORMATION: pinfo = (struct nd_opt_prefix_info *) opt_str; print_addr(&pinfo->nd_opt_pi_prefix, prefix_str); printf("\n\tprefix %s/%d\n\t{\n", prefix_str, pinfo->nd_opt_pi_prefix_len); if (ntohl(pinfo->nd_opt_pi_valid_time) == 0xffffffff) { if (!edefs || DFLT_AdvValidLifetime != 0xffffffff) printf("\t\tAdvValidLifetime infinity; # (0xffffffff)\n"); } else { if (!edefs || DFLT_AdvValidLifetime != ntohl(pinfo->nd_opt_pi_valid_time)) printf("\t\tAdvValidLifetime %u;\n", ntohl(pinfo->nd_opt_pi_valid_time)); } if (ntohl(pinfo->nd_opt_pi_preferred_time) == 0xffffffff) { if (!edefs || DFLT_AdvPreferredLifetime != 0xffffffff) printf("\t\tAdvPreferredLifetime infinity; # (0xffffffff)\n"); } else { if (!edefs || DFLT_AdvPreferredLifetime != ntohl(pinfo->nd_opt_pi_preferred_time)) printf("\t\tAdvPreferredLifetime %u;\n", ntohl(pinfo->nd_opt_pi_preferred_time)); } if (!edefs || DFLT_AdvOnLinkFlag != (ND_OPT_PI_FLAG_ONLINK == (pinfo->nd_opt_pi_flags_reserved & ND_OPT_PI_FLAG_ONLINK))) printf("\t\tAdvOnLink %s;\n", (pinfo->nd_opt_pi_flags_reserved & ND_OPT_PI_FLAG_ONLINK)?"on":"off"); if (!edefs || DFLT_AdvAutonomousFlag != (ND_OPT_PI_FLAG_AUTO == (pinfo->nd_opt_pi_flags_reserved & ND_OPT_PI_FLAG_AUTO))) printf("\t\tAdvAutonomous %s;\n", (pinfo->nd_opt_pi_flags_reserved & ND_OPT_PI_FLAG_AUTO)?"on":"off"); /* Mobile IPv6 ext */ if (!edefs || DFLT_AdvRouterAddr != (ND_OPT_PI_FLAG_RADDR == (pinfo->nd_opt_pi_flags_reserved & ND_OPT_PI_FLAG_RADDR))) printf("\t\tAdvRouterAddr %s;\n", (pinfo->nd_opt_pi_flags_reserved & ND_OPT_PI_FLAG_RADDR)?"on":"off"); printf("\t}; # End of prefix definition\n\n"); break; case ND_OPT_ROUTE_INFORMATION: rinfo = (struct nd_opt_route_info_local *) opt_str; print_addr(&rinfo->nd_opt_ri_prefix, prefix_str); printf("\n\troute %s/%d\n\t{\n", prefix_str, rinfo->nd_opt_ri_prefix_len); if (!edefs || (((radvert->nd_ra_flags_reserved & 0x18) >> 3) & 0xff) != DFLT_AdvRoutePreference) { printf("\t\tAdvRoutePreference "); print_preferences(((rinfo->nd_opt_ri_flags_reserved & 0x18) >> 3) & 0xff); printf(";\n"); } /* XXX: we check DFLT_AdvRouteLifetime by interface, and it's outside of context here */ if (ntohl(rinfo->nd_opt_ri_lifetime) == 0xffffffff) printf("\t\tAdvRouteLifetime infinity; # (0xffffffff)\n"); else printf("\t\tAdvRouteLifetime %u;\n", ntohl(rinfo->nd_opt_ri_lifetime)); printf("\t}; # End of route definition\n\n"); break; case ND_OPT_RDNSS_INFORMATION: rdnss_info = (struct nd_opt_rdnss_info_local *) opt_str; printf("\n\tRDNSS"); print_addr(&rdnss_info->nd_opt_rdnssi_addr1, prefix_str); printf(" %s", prefix_str); if (rdnss_info->nd_opt_rdnssi_len >= 5) { print_addr(&rdnss_info->nd_opt_rdnssi_addr2, prefix_str); printf(" %s", prefix_str); } if (rdnss_info->nd_opt_rdnssi_len >= 7) { print_addr(&rdnss_info->nd_opt_rdnssi_addr3, prefix_str); printf(" %s", prefix_str); } printf("\n\t{\n"); /* as AdvRDNSSLifetime may depend on MaxRtrAdvInterval, it could change */ if (ntohl(rdnss_info->nd_opt_rdnssi_lifetime) == 0xffffffff) printf("\t\tAdvRDNSSLifetime infinity; # (0xffffffff)\n"); else printf("\t\tAdvRDNSSLifetime %u;\n", ntohl(rdnss_info->nd_opt_rdnssi_lifetime)); printf("\t}; # End of RDNSS definition\n\n"); break; case ND_OPT_DNSSL_INFORMATION: dnssl_info = (struct nd_opt_dnssl_info_local *) opt_str; printf("\n\tDNSSL"); suffix[0] = '\0'; for (offset = 0;offset < (dnssl_info->nd_opt_dnssli_len-1)*8;) { label_len = dnssl_info->nd_opt_dnssli_suffixes[offset++]; if (label_len == 0) { /* * Ignore empty suffixes. They're * probably just padding... */ if (suffix[0] == '\0') continue; printf(" %s", suffix); suffix[0] = '\0'; continue; } if ((sizeof(suffix) - strlen(suffix)) < (label_len + 2)) { flog(LOG_ERR, "oversized suffix in DNSSL option from %s", addr_str); break; } if (suffix[0] != '\0') strcat(suffix, "."); strncat(suffix, (char*)&dnssl_info->nd_opt_dnssli_suffixes[offset], label_len); offset += label_len; } printf("\n\t{\n"); /* as AdvDNSSLLifetime may depend on MaxRtrAdvInterval, it could change */ if (ntohl(dnssl_info->nd_opt_dnssli_lifetime) == 0xffffffff) printf("\t\tAdvDNSSLLifetime infinity; # (0xffffffff)\n"); else printf("\t\tAdvDNSSLLifetime %u;\n", ntohl(dnssl_info->nd_opt_dnssli_lifetime)); printf("\t}; # End of DNSSL definition\n\n"); break; default: break; } orig_len -= optlen; opt_str += optlen; } printf("}; # End of interface definition\n"); fflush(stdout); } void print_preferences(int p) { switch (p) { case 0: printf("medium"); break; case 1: printf("high"); break; case 2: /* reserved, ignore */ break; case 3: printf("low"); break; } } void version(void) { fprintf(stderr,"Version: %s\n\n", VERSION); fprintf(stderr,"Please send bug reports and suggestions to %s\n", CONTACT_EMAIL); exit(1); } void usage(void) { fprintf(stderr,"usage: %s %s\n", pname, usage_str); exit(1); } radvd-1.9.1/log.h0000664000175000017500000000132611721640116010500 00000000000000/* * * Authors: * Lars Fenneberg * * This software is Copyright 1996,1997 by the above mentioned author(s), * All Rights Reserved. * * The license which is distributed with this software in the file COPYRIGHT * applies to this software. If your distribution is missing this file, you * may request it from . * */ #define L_NONE 0 #define L_SYSLOG 1 #define L_STDERR 2 #define L_STDERR_SYSLOG 3 #define L_LOGFILE 4 #define LOG_TIME_FORMAT "%b %d %H:%M:%S" int log_open(int, char *, char*, int); void flog(int, char *, ...); void dlog(int, int, char *, ...); int log_close(void); int log_reopen(void); void set_debuglevel(int); int get_debuglevel(void); radvd-1.9.1/scanner.l0000664000175000017500000001015211763427535011367 00000000000000/* * * Authors: * Pedro Roque * Lars Fenneberg * * This software is Copyright 1996-2000 by the above mentioned author(s), * All Rights Reserved. * * The license which is distributed with this software in the file COPYRIGHT * applies to this software. If your distribution is missing this file, you * may request it from . * */ %option nounput noinput noyywrap %{ #include "config.h" #include "includes.h" #include "log.h" #include "gram.h" extern char *conf_file; int num_lines = 1; %} digit [0-9] number ({digit})+ snum -?({digit})+ decimal ({number}"."{number}) hexdigit ([a-f]|[A-F]|[0-9]) addr1 {hexdigit}{1,4}":"({hexdigit}{1,4}":")*(":"{hexdigit}{1,4})+ addr2 {hexdigit}{1,4}(":"{hexdigit}{1,4})*"::" addr3 ({hexdigit}{1,4}":"){7}{hexdigit}{1,4} addr ({addr1}|{addr2}|{addr3}|"::") whitespace ([ \t])+ string [a-zA-Z0-9`~!@#$%\^&*()_\-+=:\[\]<>,\.?\\]+ %% #.*$ {/* ignore comments */} \n {num_lines++;} {whitespace} {} interface { return T_INTERFACE; } prefix { return T_PREFIX; } route { return T_ROUTE; } RDNSS { return T_RDNSS; } DNSSL { return T_DNSSL; } clients { return T_CLIENTS; } IgnoreIfMissing { return T_IgnoreIfMissing; } AdvSendAdvert { return T_AdvSendAdvert; } MaxRtrAdvInterval { return T_MaxRtrAdvInterval; } MinRtrAdvInterval { return T_MinRtrAdvInterval; } AdvManagedFlag { return T_AdvManagedFlag; } AdvOtherConfigFlag { return T_AdvOtherConfigFlag; } AdvLinkMTU { return T_AdvLinkMTU; } AdvReachableTime { return T_AdvReachableTime; } AdvRetransTimer { return T_AdvRetransTimer; } AdvCurHopLimit { return T_AdvCurHopLimit; } AdvDefaultLifetime { return T_AdvDefaultLifetime; } AdvDefaultPreference { return T_AdvDefaultPreference; } AdvSourceLLAddress { return T_AdvSourceLLAddress; } AdvOnLink { return T_AdvOnLink; } AdvAutonomous { return T_AdvAutonomous; } AdvValidLifetime { return T_AdvValidLifetime; } AdvPreferredLifetime { return T_AdvPreferredLifetime; } DeprecatePrefix { return T_DeprecatePrefix; } DecrementLifetimes { return T_DecrementLifetimes; } AdvRouterAddr { return T_AdvRouterAddr; } AdvHomeAgentFlag { return T_AdvHomeAgentFlag; } AdvIntervalOpt { return T_AdvIntervalOpt; } AdvHomeAgentInfo { return T_AdvHomeAgentInfo; } UnicastOnly { return T_UnicastOnly; } Base6Interface { return T_Base6Interface; } Base6to4Interface { return T_Base6to4Interface; } HomeAgentPreference { return T_HomeAgentPreference; } HomeAgentLifetime { return T_HomeAgentLifetime; } AdvRoutePreference { return T_AdvRoutePreference; } AdvRouteLifetime { return T_AdvRouteLifetime; } RemoveRoute { return T_RemoveRoute; } AdvRDNSSPreference { return T_AdvRDNSSPreference; } AdvRDNSSOpen { return T_AdvRDNSSOpenFlag; } AdvRDNSSLifetime { return T_AdvRDNSSLifetime; } FlushRDNSS { return T_FlushRDNSS; } AdvDNSSLLifetime { return T_AdvDNSSLLifetime; } FlushDNSSL { return T_FlushDNSSL; } MinDelayBetweenRAs { return T_MinDelayBetweenRAs; } AdvMobRtrSupportFlag { return T_AdvMobRtrSupportFlag; } {addr} { static struct in6_addr addr; if (inet_pton(AF_INET6, yytext, &addr) < 1) { flog(LOG_ERR, "invalid address in %s, line %d", conf_file, num_lines); return T_BAD_TOKEN; } yylval.addr = &addr; return IPV6ADDR; } {number} { unsigned long lnum; char *endp; lnum = strtoul(yytext, &endp, 10); if (*yytext == '\0' || *endp != '\0') return T_BAD_TOKEN; if (lnum > 0xFFFFFFFFUL) return T_BAD_TOKEN; /* XXX */ yylval.num = lnum; return NUMBER; } {snum} { yylval.snum = atoi(yytext); return SIGNEDNUMBER; } {decimal} { yylval.dec = atof(yytext); return DECIMAL; } infinity { return INFINITY; } on { yylval.num = 1; return SWITCH; } off { yylval.num = 0; return SWITCH; } low { yylval.snum = -1; return SIGNEDNUMBER; } medium { yylval.snum = 0; return SIGNEDNUMBER; } high { yylval.snum = 1; return SIGNEDNUMBER; } {string} { static char string[256]; strncpy(string, yytext, sizeof(string)); string[sizeof(string)-1] = '\0'; yylval.str = string; return STRING; } "{"|"}"|";"|"/" { return *yytext; } . { return T_BAD_TOKEN; } %% radvd-1.9.1/aclocal.m40000664000175000017500000012235211770076144011421 00000000000000# generated automatically by aclocal 1.11.1 -*- Autoconf -*- # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, # 2005, 2006, 2007, 2008, 2009 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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We just wanted to have am__tar # and am__untar set. test -n "${am_cv_prog_tar_$1}" && break # tar/untar a dummy directory, and stop if the command works rm -rf conftest.dir mkdir conftest.dir echo GrepMe > conftest.dir/file AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar]) rm -rf conftest.dir if test -s conftest.tar; then AM_RUN_LOG([$am__untar /dev/null 2>&1 && break fi done rm -rf conftest.dir AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool]) AC_MSG_RESULT([$am_cv_prog_tar_$1])]) AC_SUBST([am__tar]) AC_SUBST([am__untar]) ]) # _AM_PROG_TAR radvd-1.9.1/CHANGES0000664000175000017500000005377711770076111010564 0000000000000019/06/2012 Fixing bashism '==' in configure Updating to 1.9.1 and releasing 14/06/2012 Version 1.9 release 02/06/2012 Fixing Dabian bug #634485 (GheRivero) 10/04/2012 Using libdaemon bumping version to 1.9 22/02/2012 include the prefix option in the RA packets even when AdvPreferredLifetime equals 0, and set AdvPreferredLifetime as user specified(zero). Li Wei 07/02/2012 NETLINK_NO_ENOBUFS set on netlink socket to prevent endless error loop. Patch by Ulrich Weber 25/01/2012 PID in PID file is now correct 1.8.5rc1 21/01/2012 1.8.4 released 12/01/2012 renaming configure.in to configure.ac removing CVS keywords 1.8.4rc1 07/01/2012 Always do privsep on linux. Validate the PID file contents. 02/11/2011 Adding --nodaemon option 14/10/2011 1.8.3 release 08/10/2011 More careful checking of iface name 06/10/2011 Updating buffer usage tracking in send_ra to track buffer usage BEFORE the buffer is used rather than after in order to prevent buffer overflow 06/10/2011 1.8.2 release 04/10/2011 1) A privilege escalation flaw was found in radvd, due to a buffer overflow in the process_ra() function. ND_OPT_DNSSL_INFORMATION option parsing "label_len" was not checked for negative values, leading to a "suffix" buffer overflow which can lead to privilege escalation, at least if radvd is compiled without GCC's stack protection. If radvd is invoked without privilege separation (the -u option), this can lead to an escalation to root privileges. Note: Red Hat Enterprise Linux starts radvd by default with the unprivileged user. (CVE-2011-3601) 2) An arbitrary file overwrite flaw was found in radvd's set_interface_var() function, where it did not check the interface name (generated by the unprivileged user) and blindly overwrites a filename with a decimal value by the root process. If a local attacker could create symlinks pointing to arbitrary files on the system, they could overwrite the target file contents. If only radvd is compromised (e.g. no local access), the attacker may only overwrite files with specific names only (PROC_SYS_IP6_* from radvd's pathnames.h). (CVE-2011-3602) 3) The radvd daemon would not fail on privsep_init() errors, which could cause it to run with full root privileges when it should be running as an unprivileged user. (CVE-2011-3603) 4) A number of buffer overread flaws were found in radvd's process_ra() function due to numerous missed len() checks. This can lead to memory reads outside of the stack, resulting in a crash of radvd. (CVE-2011-3604) 5) A temporary denial of service flaw was found in radvd's process_rs() function, where it would call mdelay() on the same thread in which it handled all input. If ->UnicastOnly were set, an attacker could cause a flood with ND_ROUTER_SOLICIT and fill the input queue of the daemon. This would cause a brief outage of approximately MAX_RA_DELAY_TIME / 2 * sizeof_input_queue when handling new clients, where MAX_RA_DELAY_TIME is 500ms, leading to delays of more than a minute. Note: this is only the case in unicast-only mode; there is no denial of service in the (normal, default) anycast mode. (CVE-2011-3605) 19/08/2011 uClibc has no ifaddrs.h patch by Lonnie slight changes to debugging output when receiving ra's and rs's 14/05/2011 Version 1.8 release 10/05/2011 removed AdvRDNSSPreference and AdvRDNSSOpen from the manpages 06/05/2011 - IgnoreIfMissing now defaults to on - Fixed inf loop in Base6Interface (from Ludwig Nussel) - Modified string regex in scanner.l reducing the compiled size of scanner.o by a factor or 10. 04/05/2011 - radvd is useful for advertising ULA's without having a router too (from Ludwig Nussel) - Bumping version number to 1.8alpha in VERSION for testing 28/04/2011 Adding DecrementLifetimes patch (from Mark Smith) 25/03/2011 Renaming RemoveRoute to FlushRoute (from Mark Smith) 22/03/2011 Adding RemoveRoute options (from Mark Smith) 20/03/2011 Added DeprecatePrefix option (from Mark Smith) 28/02/2011 fixed Debian Bug#615625: radvd: Error in DNSSL parsing 26/02/2011 Added Base6Interface option 30/01/2011 Added detailed output to radvd --help for the long options. Two sigterms or sigints calls abort. build system cleanup work. 22/01/2011 Fixed crash and memory leak in device-bsd44.c when an interface defined in the config file doesn't exist. Patch submitted by Manual Kasper. 12/01/2011 Release 1.7. 07/01/2011 make dist (for building tar.gz source packages) fixed. - 07/01: AdvSourceLLAddress fixed on FreeBSD when link layer token length is zero. 14/12/2010 Deprecate old, pre-RFC5006 parameters. Support RFC6106 by adding DNS Search List support. From Pierre Ossman. 14/12/2010 Integrate cleanup patches from Reuben Hawkins: - 14/05: patch configure.in to allow OSX 10.6 builds - 05/06: Unnecessary >255 test when using uint8_t - 06/06: fix fscanf parsing on Linux - 10/12: Fix whitespaces; #includes; CLEANFILES From Ben Greear: - 05/11: Print errors on all exit() codepaths. From Iain J. Watson: - 09/12: Add '-c' flag to test configuration. From Pierre Ossman (idea): - 13/12: Remove automake-generated files. 04/05/2010 Fix a segmentation fault on reload_config() timer list corruption that only occurs with multiple interfaces. 10/03/2010 Fix radvd skipping multiple interfaces when UnicastOnly is on or AdvSendAdvert is off. This got broken in radvd 1.3. Patch from Cedric BAIL. 05/03/2010 Release 1.6. 05/03/2010 Update Redhat spec and init files from Fedora. 28/01/2010 Decrease MSG_SIZE from 4096 to about 1500B. Send buffer uses a smaller size in order to avoid sending out fragmented packets, yet being able to receive full-size frames. 28/01/2010 Keep track of buffer size and exit if the number of prefixes/routes/etc. would grow too much. Prevent a memory corruption due to wrong memset. Patches from Jan Görig, Red Hat bug #554125. 22/01/2010 On BSD use getifaddrs() also in setup_deviceinfo(), fixes a multiple interfaces problem on NetBSD 5 due to change in data structures. Patch from Michael Stapelberg. 07/11/2009 Allow radvd.conf prefix, clients, route, and RDNSS options to be in any order. Patch from Michael Stapelberg. 10/09/2009 Release 1.5. 07/09/2009 Fix infinite loop/segmentation fault problems when cable plugged out/plugged back in, caused by reload_config() and subsequent timer list corruption. Slightly modified patch from Teemu Torma. For more information, see http://lists.litech.org/pipermail/radvd-devel-l/2009-August/000416.html 07/09/2009 Fix IgnoreIfMissing when cable is unplugged at startup. Radvd would keep skipping the interface. Patch from Reuben Hawkins. 25/08/2009 Fix parallel make, from Robert Buchholz / Gentoo. 03/08/2009 Release 1.4. Only restores original behaviour changed in 1.3: RAs were accidentally often unicast to solicitors instead of being multicast. 07/07/2009 Release 1.3. 24/06/2009 Work around unaligned traps on Alpha, patch from: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=456205 19/06/2009 Fixes and enhancements from Michael Stapelberg. Add a new 'clients' interface definition to allow configuring which address to send advertisements and accept from. Use getifaddrs() on BSD because ioctl didn't work on NetBSD 5. Use int instead of bool to make NetBSD 5 happy. 21/01/2009 Add a workaround for Linux in scenarios where libc is providing IPV6_RECV(PKTINFO|HOPLIMIT) has renumbered IPV6_PKTINFO, but kernel doesn't support it yet (<2.6.14). Found out by Freetz (special thanks to Paul Oranje) and OpenWrt projects. See the source code and CVS changelog for more. 28/10/2008 Release 1.2. 14/10/2008 Accept virtually any interface name (up to 15 chars) instead of forcing a specific naming convention. Patch from Michiel Brandenburg. If stale radvd.pid file exists, try to overwrite it unless the specified PID exists, from Fedora (Martin Nagy). Define _GNU_SOURCE on Linux, otherwise glibc >= 2.8 compilation fails. Remove -Wconversion from default CFLAGS as it is very noisy. Fix some warnings, from Jim Paris. 31/03/2008 Update references to RFCs. Give pointer to the "two hour rule". Decrease the default valid and preferred lifetimes from 30/1 days to 1day/4hours, respectively. See more info at: http://lists.litech.org/pipermail/radvd-devel-l/2007-October/000282.html 04/02/2008 Release 1.1. 24/01/2008 Implement privilege separation (Linux only) so that config_interface() works both with a user and root, even after HUP signal. Work by Jim Paris. 24/01/2008 The old Linux retrans_timer proc value is given in USER_HZ, not in seconds. Fix that, by Jim Paris. 21/01/2008 Fix stderr+syslog logging crash (on non-i386). Analysis and patch by Jim Paris (Debian bug #409600). 01/12/2007 Require that interface is also 'RUNNING' instead of just 'UP', except if IgnoreIfMissing is enabled. The reason is that at least some recent Linux kernels do not generate link-local addresses before interface is running and as a result, the startup may fail if network cable is unplugged in any case. Note: this could break deployments with some very old kernels, see more info at: http://lists.litech.org/pipermail/radvd-devel-l/2007-October/000280.html 25/10/2007 Implement automatically selecting and advertising an interface address, see radvd.conf(5) for more. Add a warning about not being able to set interface variables with non-root user. Relax interface naming a bit. 25/06/2007 Send prefix, route and RDNSS options (matters if there are many RDNSS options) in the same order they appear in the configuration; add support for AdvDefaultLifetime in radvdump (patches from C. Scott Ananian) 11/01/2006 Release 1.0. 10/09/2006 Perform a static/dynamic code audit; plug some minor bugs (see CVS changelogs for more information) and perform minor clean-up. 08/07/2006 Implement MAX_INITIAL_RTR_ADVERT_INTERVAL handling, patch from Yoshifuji Hideaki / USAGI. 05/23/2006 Unblock SIGALRM signals at startup. Some scripts/programs seem to run radvd from ALRM-blocked context which breaks the timers. 05/23/2006 Redefined IgnoreIfMissing: by default, radvd will now try to reinitialize failed interfaces automatically. IgnoreIfMissing is still needed if radvd is started when the interface isn't up, and it also quenches some messages relating to missing interfaces. 03/29/2006 Implement RDNSS draft, using non-allocated IANA ND type value 25, by Lauréline Provost, Mickaël Guérin, Adrien Clerc, Gaetan Eleouet, Bahattin Demirplak, Lionel Guilmin (at the ENSEEIHT, Toulouse) 03/06/2006 Fix the default STDERR+syslog logging methods, so we don't try to unnecessarily log to STDERR after forking. 01/18/2006 radvd-0.9.1 did not initialize AdvDefaultLifetime (etc.) appropriately, unbreak the "clean-up". 01/13/2006 Release 0.9.1. 12/30/2005 Great cleanup of signed/unsigned values, add -Wall and a number of other warnings to CFLAGS by default. Do not allow signed values for HomeAgentPreference anymore. 12/30/2005 Fix a couple of IPv6 Ready Logo Phase-2 IPv6 Core Protocols Self Test issues, patches from Yoshifuji Hideaki / USAGI. 11/13/2005 Create a short FAQ in README file. 10/28/2005 Get interface MTU automatically, so that you can use jumboframes and advertise MTU >1500. 10/19/2005 Release 0.9. 10/18/2005 Transfer sole maintainership of radvd to Pekka Savola. 10/18/2005 Make the radvd.conf syntax dump default in radvdump and remove the previous default to reduce code duplication. 09/28/2005 Add NEMO Basic support (RFC3961) and fix default HomeAgentLifetime, from Ville Nuorvala. 08/18/2005 Implement more robust timer handler, especially because some Linux kernels don't seem to behave all that well; see http://lkml.org/lkml/2005/4/29/163. Based on extensive testing & reports by Tomasz Grobelny. NB: the bug report was caused by a bad timer patch in PLD's kernel package, and this should not occur often with standard kernels. 07/24/2005 Implement a new logging method "stderr_syslog" which is now also the default. Everything is logged on syslog, while the most important messages (i.e., start-up failures) are also logged on stderr. 07/08/2005 Release 0.8. 07/05/2005 Change the more-specific route ND option code from de-facto '9' to the official '24'. Change back in defaults.h if you need old behaviour. 07/05/2005 Fix wrongly calculated prefix with Base6to4Interface on ppc and maybe other big endian arches, from Debian #301543 by Sam Hathaway. 07/05/2005 Fix Linux-2.6.12-bk4+ error with HUP signal, from YOSHIFUJI Hideaki / USAGI. 03/29/2005 Merge a part of MIPv6/non-MIPv6 code, make printing error messages nicer. 03/22/2005 Be a bit more informative about config file parsing errors. 02/21/2005 Release 0.7.3. 02/19/2005 Fix crash when reloading config with AdvSendAdvert off. 02/15/2005 Merge a few fixes and improvements from USAGI: - support microsecond scheduling and fix RA intervals - send zero router lifetime when forwarding is disabled - use a more flexible inter-RA delay 01/07/2005 Accomodate interface indexes > 9999, from Hagen Fritsch. 12/15/2004 Advertise zero Router Lifetime when shutting down; implements a SHOULD in RFC2461 section 6.2.5. 10/16/2004 Update Mobile IPv6 to match RFC 3775, from Greg Daley. 08/20/2004 Minor documentation cleanups. 03/09/2004 Implement "IgnoreIfMissing" interface flag, which can be used on interfaces which aren't enabled when radvd starts but will later become available (e.g., Bluetooth) -- and then you wish to send HUP to radvd to activate the configs. 02/21/2004 Further cleanups, to fix autoconf/autoheader problems with newer toolchain; mostly by Marko Myllynen. 02/20/2004 Clean up a bit: remove old junk from configure.in, rename "log()" to "flog()" to satisfy newer GCCs, allow underscores in the interface names (the last two fixes already committed earlier). 01/19/2004 Make radvd check for forwarding status using procfs on Linux; needed with 2.6 kernels. Loosely based on a patch by USAGI. 11/21/2003 Add support for Router Preferences and More Specific Routes from Markku Savela . NOTE! The specification is not final yet, there will be changes! (Man page, documentation and radvdump support by Pekka Savola.) 09/11/2003 When starting up, check if the MAC address is all zero (could happen e.g. with bridge interfaces with no attached physical interfaces), and warn if so. For more information, http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=103469 06/10/2003 When chrooting, check the possible return code from chdir("/"). 03/08/2003 Add patch from MAEDA Naoaki to discard RS's from the unspecied source address with link-layer address option, as required by RFC2461. 10/28/2002 Release 0.7.2: - add support for VLANs (from USAGI) - make it compile better on newer NetBSD's (NetBSD) - fix a syntax error in radvd.conf(5) sample documentation - use IPV6_RECV{HOPLIMIT,PKTINFO} not IPV6_{HOPLIMIT,PKTINFO} if supported - (in Red Hat spec file) don't create radvd gid explicitly - a lot of coding style cleanups 01/16/2002 Release 0.7.1. 01/12/2002 Update config.{guess,sub} from ftp.gnu.org; update INTRO. Marko Myllynen and Debian bug #115992. 01/02/2002 Ensure NULL-termination with strncpy. 12/31/2001 Radvdump fixes: eliminate a warning of Prefix Information sections with '-d -f'; add a note that {Min,Max}RtrAdvInterval cannot be obtained with '-f'; implement '-e' to be used with '-f' which omits all advertised default settings. Mostly by Marko Myllynen. 12/28/2001 Small cleanups. AdvSendAdvert is implicitly off by default. Check configuration file permissions; must not be writable by others, and if non-root, not by self/own group. By Marko Myllynen. 12/21/2001 Check via sysctl that IPv6 forwarding is enabled; exit unless debugging is enabled. Triggered by Marko Myllynen. 11/22/2001 MinRtrAdvInterval for MIPv6 is 0.05 seconds, not 0.5. (Note: untested). 11/20/2001 Rework BSD device memory management a bit, minor cleanups. Version bumped to 0.7.0. 11/14/2001 Maintainership of radvd transferred from Lars Fenneberg to Pekka Savola and Nathan Lutchansky. Lars' CVS repository adopted, and changes merged from the -pX branch. 08/29/2001 Minor change for NetBSD 1.5.1 compatibility. (Nathan Lutchansky) 07/20/2001 Support for non-multicast links, like ISATAP. (Nathan Lutchansky) 07/03/2001 Minimum MTU has been changed to 1280 in the latest RFC's. (Pekka Savola) 06/30/2001 Check for possible buffer overflows; replace strcpy with strncpy. No fatals found. Remove redunant radvd -t check. (Pekka Savola) 06/24/2001 Fix 1-byte overflow in /proc/net/igmp6 handling, clean out possible memory garbage when sending RA's (patch from ). 06/19/2001 When dropping root, also set up supplementary groups properly. On Linux, when sending RA's, check that the interface has joined all-routers multicast group. Add a few RFC2461 MUST sanity checks when receiving datagrams. Clean out non-EUI64 addressing scheme and other minor bits. (Pekka Savola) 04/28/2001 Misc cleanup and bugfixes, automake support. 03/28/2001 Grammar cleanup. Integrated 6to4 support through "Base6to4Interface" option in prefix configuration. Signal handling fixed by blocking on select() rather than recvmsg() so SIGTERM/HUP take effect immediately now. (Nathan Lutchansky) 03/27/2001 Security fixes: close stdin/out and chdir("/") via daemon() to prevent possible exploits, and a flag to allow radvd to set[ug]id to an unprivileged user (from Pekka Savola). 02/01/2001 scope_id is not supported in glibc2.1. So it is now compiled conditionally. 01/31/2001 Add CC variable to Makefile. Fix bug with IPV6_ADD_MEMBERSHIP handling. Set scope_id when sending packets. 12/02/2000 man pages update, rewritten pid file handling, rewritten signal handling (SIGHUP and SIGTERM), gcc warnings cleanup, new radvdump option -f: print received RAs in config file format (by Marko) 11/19/2000 integrated the last two change entries into the main source (patches by Marko Myllynen), fixed bug in log.c, fixed file description leak in readin_config, rewrote code in timer.c, updated man pages again (from Marko Myllynen, too), PID file support (patch from Marko Myllynen, based on a patch from Tommi.Komulainen@iki.fi) 15/08/2000 RFC 2461 updates, Mobile IPv6 extensions added 14/07/2000 added RA interval option and modified some default values for timers 06/15/99 changed to run with glibc 2.1 on RedHat 6.0. 03/03/98 radvd now joins ipv6-allrouters on Linux. Fix contributed by A.N.Kuznetsov . 10/23/97 radvd will now accept any prefix length in its config file but will warn about unusual ones 10/19/97 removed backwards compatibility code in recv.c. IPV6_HOPLIMIT support is now assumed to exist. 10/19/97 fixed alignment problems in recv.c and send.c. 10/16/97 the Makefile install target now uses mkinstalldirs. 10/16/97 changed all u_int*_t to uint*_t for better POSIX compliance and portability. Needs 2.1.57-CVS or glibc. BSD seems to need patches. 10/16/97 more intelligent configure; tries to figure out where the IPv6 libraries and inclues are (if not in the standard places). Searches in /usr/inet6 and /usr/ipv6. 10/15/97 integrated small patches for glibc and BSD from Craig and Philip 09/14/97 EUI-64 "support" 09/01/97 centralized all includes into includes.h for easier maintainance 08/25/97 changed all occurences of IPV6_TXINFO/IPV6_RXINFO to IPV6_PKTINFO 08/25/97 removed some compatibility stuff for older Linux kernels 03/17/97 changed linux/if_arp.h to net/if_arp.h in device-linux.c and configure.in (for glibc compatibility) 03/17/97 integrated patch from Philip Blundell into configure.in to check for inet_* in libc first and then for libinet6 (for glibc compatibility). 03/16/97 corrected small error in radvd.conf(5) man page and other small changes 03/16/97 removed linklocal.c source file from the distribution because it wasn't used anymore 03/16/97 added html version of the INTRO, removed ascii version. 02/12/97 missing directories are now created on make install 01/19/97 now also the rest of a line followed by a '#' is treated as a comment in the config file 01/16/97 added IPPROTO_IPV6/IPV6_HOPLIMIT support, so now incoming RS' and RAs are checked if there hoplimit is 255 (on Linux this only works with kernel version 2.1.21 and above) 01/15/97 lots of portability cleanups; radvd is now using autoconf for automatic configuration; removed support for the in. prefix 01/05/97 integrated BSD 4.4 patches from Craig 12/21/96 release of version 0.3 12/15/96 the AdvSendAdvert flag works now 12/14/96 added radvdump, dumps all received RAs in a human readable form 12/13/96 rewrote radvd to use new advanced API headers 12/08/96 added radvd.conf(5) man page 12/03/96 changed RAW_CHECKSUM to IPV6_CHECKSUM for kernels 2.1.14 and above 11/24/96 added checking of received RAs according to RFC 1970 11/20/96 rewrote the default handling, now it should conform to RFC 1970 11/17/96 release of version 0.2 11/17/96 added -h (--help) and -f (--facility) option 11/17/96 added setsockopt(..., SOL_IPV6, IPV6_MULTICAST_HOPS), so that radvd works for kernel versions >2.1.7 (without this you get "NDISC: fake router advertisment received" on your hosts) 11/17/96 added a man page for radvd(8) 11/17/96 some minor filename changes 11/13/96 first release of this version of in.radvd (0.1) radvd-1.9.1/config.guess0000755000175000017500000012673011770076146012105 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 Free Software Foundation, Inc. timestamp='2011-05-11' # 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, write to the Free Software # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA # 02110-1301, USA. # # 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. # Originally written by Per Bothner. Please send patches (context # diff format) to and include a ChangeLog # entry. # # This script attempts to guess a canonical system name similar to # config.sub. If it succeeds, it prints the system name on stdout, and # exits with 0. Otherwise, it exits with 1. # # You can get the latest version of this script from: # http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD me=`echo "$0" | sed -e 's,.*/,,'` usage="\ Usage: $0 [OPTION] Output the configuration name of the system \`$me' is run on. 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.guess ($timestamp) Originally written by Per Bothner. Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." help=" Try \`$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" >&2 exit 1 ;; * ) break ;; esac done if test $# != 0; then echo "$me: too many arguments$help" >&2 exit 1 fi trap 'exit 1' 1 2 15 # CC_FOR_BUILD -- compiler used by this script. Note that the use of a # compiler to aid in system detection is discouraged as it requires # temporary files to be created and, as you can see below, it is a # headache to deal with in a portable fashion. # Historically, `CC_FOR_BUILD' used to be named `HOST_CC'. We still # use `HOST_CC' if defined, but it is deprecated. # Portable tmp directory creation inspired by the Autoconf team. set_cc_for_build=' trap "exitcode=\$?; (rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null) && exit \$exitcode" 0 ; trap "rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null; exit 1" 1 2 13 15 ; : ${TMPDIR=/tmp} ; { tmp=`(umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null` && test -n "$tmp" && test -d "$tmp" ; } || { test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir $tmp) ; } || { tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir $tmp) && echo "Warning: creating insecure temp directory" >&2 ; } || { echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 1 ; } ; dummy=$tmp/dummy ; tmpfiles="$dummy.c $dummy.o $dummy.rel $dummy" ; case $CC_FOR_BUILD,$HOST_CC,$CC in ,,) echo "int x;" > $dummy.c ; for c in cc gcc c89 c99 ; do if ($c -c -o $dummy.o $dummy.c) >/dev/null 2>&1 ; then CC_FOR_BUILD="$c"; break ; fi ; done ; if test x"$CC_FOR_BUILD" = x ; then CC_FOR_BUILD=no_compiler_found ; fi ;; ,,*) CC_FOR_BUILD=$CC ;; ,*,*) CC_FOR_BUILD=$HOST_CC ;; esac ; set_cc_for_build= ;' # This is needed to find uname on a Pyramid OSx when run in the BSD universe. # (ghazi@noc.rutgers.edu 1994-08-24) if (test -f /.attbin/uname) >/dev/null 2>&1 ; then PATH=$PATH:/.attbin ; export PATH fi UNAME_MACHINE=`(uname -m) 2>/dev/null` || UNAME_MACHINE=unknown UNAME_RELEASE=`(uname -r) 2>/dev/null` || UNAME_RELEASE=unknown UNAME_SYSTEM=`(uname -s) 2>/dev/null` || UNAME_SYSTEM=unknown UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown # Note: order is significant - the case branches are not exclusive. case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in *:NetBSD:*:*) # NetBSD (nbsd) targets should (where applicable) match one or # more of the tupples: *-*-netbsdelf*, *-*-netbsdaout*, # *-*-netbsdecoff* and *-*-netbsd*. For targets that recently # switched to ELF, *-*-netbsd* would select the old # object file format. This provides both forward # compatibility and a consistent mechanism for selecting the # object file format. # # Note: NetBSD doesn't particularly care about the vendor # portion of the name. We always set it to "unknown". sysctl="sysctl -n hw.machine_arch" UNAME_MACHINE_ARCH=`(/sbin/$sysctl 2>/dev/null || \ /usr/sbin/$sysctl 2>/dev/null || echo unknown)` case "${UNAME_MACHINE_ARCH}" in armeb) machine=armeb-unknown ;; arm*) machine=arm-unknown ;; sh3el) machine=shl-unknown ;; sh3eb) machine=sh-unknown ;; sh5el) machine=sh5le-unknown ;; *) machine=${UNAME_MACHINE_ARCH}-unknown ;; esac # The Operating System including object format, if it has switched # to ELF recently, or will in the future. case "${UNAME_MACHINE_ARCH}" in arm*|i386|m68k|ns32k|sh3*|sparc|vax) eval $set_cc_for_build if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ELF__ then # Once all utilities can be ECOFF (netbsdecoff) or a.out (netbsdaout). # Return netbsd for either. FIX? os=netbsd else os=netbsdelf fi ;; *) os=netbsd ;; esac # The OS release # Debian GNU/NetBSD machines have a different userland, and # thus, need a distinct triplet. However, they do not need # kernel version information, so it can be replaced with a # suitable tag, in the style of linux-gnu. case "${UNAME_VERSION}" in Debian*) release='-gnu' ;; *) release=`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'` ;; esac # Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM: # contains redundant information, the shorter form: # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used. echo "${machine}-${os}${release}" exit ;; *:OpenBSD:*:*) UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'` echo ${UNAME_MACHINE_ARCH}-unknown-openbsd${UNAME_RELEASE} exit ;; *:ekkoBSD:*:*) echo ${UNAME_MACHINE}-unknown-ekkobsd${UNAME_RELEASE} exit ;; *:SolidBSD:*:*) echo ${UNAME_MACHINE}-unknown-solidbsd${UNAME_RELEASE} exit ;; macppc:MirBSD:*:*) echo powerpc-unknown-mirbsd${UNAME_RELEASE} exit ;; *:MirBSD:*:*) echo ${UNAME_MACHINE}-unknown-mirbsd${UNAME_RELEASE} exit ;; alpha:OSF1:*:*) case $UNAME_RELEASE in *4.0) UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'` ;; *5.*) UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $4}'` ;; esac # According to Compaq, /usr/sbin/psrinfo has been available on # OSF/1 and Tru64 systems produced since 1995. 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:*:*) case ${UNAME_MACHINE} in pc98) echo i386-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; amd64) echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; *) echo ${UNAME_MACHINE}-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*: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 ;; 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 cris-axis-linux-gnu exit ;; crisv32:Linux:*:*) echo crisv32-axis-linux-gnu exit ;; frv:Linux:*:*) echo frv-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 or32-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}-tilera-linux-gnu exit ;; vax:Linux:*:*) echo ${UNAME_MACHINE}-dec-linux-gnu exit ;; x86_64:Linux:*:*) echo x86_64-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 ${UNAME_MACHINE}-pc-aros exit ;; esac #echo '(No uname command or uname output not recognized.)' 1>&2 #echo "${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: radvd-1.9.1/radvd.conf.5.man0000664000175000017500000005255211721640116012441 00000000000000.\" .\" .\" Authors: .\" Lars Fenneberg .\" Marko Myllynen .\" .\" This software is Copyright 1996-2000 by the above mentioned author(s), .\" All Rights Reserved. .\" .\" The license which is distributed with this software in the file COPYRIGHT .\" applies to this software. If your distribution is missing this file, you .\" may request it from . .\" .\" .\" .TH RADVD.CONF 5 "4 Jan 2011" "radvd @VERSION@" "" .SH NAME radvd.conf \- configuration file of the router advertisement daemon .B radvd .SH DESCRIPTION This file describes the information which is included in the router advertisement (RA) of a specific interface. .P The file contains one or more interface definitions of the form: .nf .BR "interface " "name " { list of interface specific options list of prefix definitions list of clients (IPv6 addresses) to advertise to list of route definitions list of RDNSS definitions list of DNSSL definitions .B }; .fi All the possible interface specific options are detailed below. Each option has to be terminated by a semicolon. Prefix definitions are of the form: .nf .BR "prefix " prefix / "length " { list of prefix specific options .B }; .fi Prefix can be network prefix or the address of the inferface. The address of interface should be used when using Mobile IPv6 extensions. Special prefix "::/64" is also supported on systems that implement getifaddrs() (on other systems, configuration activation fails and radvd exits). When configured, radvd picks all non-link-local prefix assigned to the interface and starts advertising it. This may be applicable in non-6to4 scenarios where the upstream prefix might change. This option is incompatible with Base6to4Interface option. AdvRouterAddr option is always enabled when this configuration is used. All the possible prefix specific options are described below. Each option has to be terminated by a semicolon. Decimal values are allowed only for MinDelayBetweenRAs, MaxRtrAdvInterval and MinRtrAdvInterval. Decimal values should be used only when using Mobile IPv6 extensions. Route definitions are of the form: .nf .BR "route " prefix / "length " { list of route specific options .B }; .fi The prefix of a route definition should be network prefix; it can be used to advertise more specific routes to the hosts. RDNSS (Recursive DNS server) definitions are of the form: .nf .BR "RDNSS " "ip [ip] [ip] " { list of rdnss specific options .B }; .fi DNSSL (DNS Search List) definitions are of the form: .nf .BR "DNSSL " "suffix [suffix] [suffix] [...] " { list of dnssl specific options .B }; .fi By default radvd will send route advertisements so that every node on the link can use them. The list of clients (IPv6 address) to advertise to, and accept route solicitations from can be configured. If done, radvd does not send send messages to the multicast addresses but to the configured unicast addresses only. Solicitations from other addresses are refused. This is similar to UnicastOnly but includes periodic messages and incoming client access configuration. See examples section for a use case of this. The definitions are of the form: .nf .BR "clients " { list of IPv6 addresses .B }; .fi .SH INTERFACE SPECIFIC OPTIONS .TP .BR IgnoreIfMissing " " on | off A flag indicating whether or not the interface is ignored if it does not exist at start-up. By default, radvd exits. This is useful for dynamic interfaces which are not active when radvd starts or which are dynamically disabled and re-enabled during the time radvd runs. Current versions of radvd automatically try to re-enable interfaces. Enabling IgnoreIfMissing also quenches certain warnings in log messages relating to missing interfaces. Default: on .TP .BR AdvSendAdvert " " on | off A flag indicating whether or not the router sends periodic router advertisements and responds to router solicitations. This option no longer has to be specified first, but it needs to be .B on to enable advertisement on this interface. Default: off .TP .BR UnicastOnly " " on | off Indicates that the interface link type only supports unicast. This will prevent unsolicited advertisements from being sent, and will cause solicited advertisements to be unicast to the soliciting node. This option is necessary for non-broadcast, multiple-access links, such as ISATAP. Default: off .TP .BR "MaxRtrAdvInterval " seconds The maximum time allowed between sending unsolicited multicast router advertisements from the interface, in seconds. Must be no less than 4 seconds and no greater than 1800 seconds. Minimum when using Mobile IPv6 extensions: 0.07. For values less than 0.2 seconds, 0.02 seconds is added to account for scheduling granularities as specified in RFC3775. Default: 600 seconds .TP .BR "MinRtrAdvInterval " seconds The minimum time allowed between sending unsolicited multicast router advertisements from the interface, in seconds. Must be no less than 3 seconds and no greater than 0.75 * MaxRtrAdvInterval. Minimum when using Mobile IPv6 extensions: 0.03. Default: 0.33 * MaxRtrAdvInterval .TP .BR "MinDelayBetweenRAs " seconds The minimum time allowed between sending multicast router advertisements from the interface, in seconds. This applies to solicited multicast RAs. This is defined as the protocol constant MIN_DELAY_BETWEEN_RAS in RFC4861. MIPv6 redefines this parameter to have a minimum of 0.03 seconds. Minimum when using Mobile IPv6 extensions: 0.03. Default: 3 .TP .BR AdvManagedFlag " " on | off When set, hosts use the administered (stateful) protocol for address autoconfiguration in addition to any addresses autoconfigured using stateless address autoconfiguration. The use of this flag is described in RFC 4862. Default: off .TP .BR AdvOtherConfigFlag " " on | off When set, hosts use the administered (stateful) protocol for autoconfiguration of other (non-address) information. The use of this flag is described in RFC 4862. Default: off .TP .BR "AdvLinkMTU " integer The MTU option is used in router advertisement messages to insure that all nodes on a link use the same MTU value in those cases where the link MTU is not well known. If specified, i.e. not 0, must not be smaller than 1280 and not greater than the maximum MTU allowed for this link (e.g. ethernet has a maximum MTU of 1500. See RFC 4864). Default: 0 .TP .BR "AdvReachableTime " milliseconds The time, in milliseconds, that a node assumes a neighbor is reachable after having received a reachability confirmation. Used by the Neighbor Unreachability Detection algorithm (see Section 7.3 of RFC 4861). A value of zero means unspecified (by this router). Must be no greater than 3,600,000 milliseconds (1 hour). Default: 0 .TP .BR "AdvRetransTimer " milliseconds The time, in milliseconds, between retransmitted Neighbor Solicitation messages. Used by address resolution and the Neighbor Unreachability Detection algorithm (see Sections 7.2 and 7.3 of RFC 4861). A value of zero means unspecified (by this router). Default: 0 .TP .BR "AdvCurHopLimit " integer The default value that should be placed in the Hop Count field of the IP header for outgoing (unicast) IP packets. The value should be set to the current diameter of the Internet. The value zero means unspecified (by this router). Default: 64 .TP .BR "AdvDefaultLifetime " seconds The lifetime associated with the default router in units of seconds. The maximum value corresponds to 18.2 hours. A lifetime of 0 indicates that the router is not a default router and should not appear on the default router list. The router lifetime applies only to the router's usefulness as a default router; it does not apply to information contained in other message fields or options. Options that need time limits for their information include their own lifetime fields. Must be either zero or between MaxRtrAdvInterval and 9000 seconds. Default: 3 * MaxRtrAdvInterval (Minimum 1 second). .TP .BR AdvDefaultPreference " " low | medium | high The preference associated with the default router, as either "low", "medium", or "high". Default: medium .TP .BR AdvSourceLLAddress " " on | off When set, the link-layer address of the outgoing interface is included in the RA. Default: on .TP .BR AdvHomeAgentFlag " " on | off When set, indicates that sending router is able to serve as Mobile IPv6 Home Agent. When set, minimum limits specified by Mobile IPv6 are used for MinRtrAdvInterval and MaxRtrAdvInterval. Default: off .TP .BR AdvHomeAgentInfo " " on | off When set, Home Agent Information Option (specified by Mobile IPv6) is included in Router Advertisements. AdvHomeAgentFlag must also be set when using this option. Default: off .TP .BR "HomeAgentLifetime " seconds The length of time in seconds (relative to the time the packet is sent) that the router is offering Mobile IPv6 Home Agent services. A value 0 must not be used. The maximum lifetime is 65520 seconds (18.2 hours). This option is ignored, if AdvHomeAgentInfo is not set. If both HomeAgentLifetime and HomeAgentPreference are set to their default values, Home Agent Information Option will not be sent. Default: AdvDefaultLifetime .TP .BR "HomeAgentPreference " integer The preference for the Home Agent sending this Router Advertisement. Values greater than 0 indicate more preferable Home Agent, values less than 0 indicate less preferable Home Agent. This option is ignored, if AdvHomeAgentInfo is not set. If both HomeAgentLifetime and HomeAgentPreference are set to their default values, Home Agent Information Option will not be sent. Default: 0 .TP .BR AdvMobRtrSupportFlag " " on | off When set, the Home Agent signals it supports Mobile Router registrations (specified by NEMO Basic). AdvHomeAgentInfo must also be set when using this option. Default: off .TP .BR AdvIntervalOpt " " on | off When set, Advertisement Interval Option (specified by Mobile IPv6) is included in Router Advertisements. When set, minimum limits specified by Mobile IPv6 are used for MinRtrAdvInterval and MaxRtrAdvInterval. The advertisement interval is based on the configured MaxRtrAdvInterval parameter except where this is less than 200ms. In this case, the advertised interval is ( MaxRtrAdvInterval + 20ms ). Default: off .SH PREFIX SPECIFIC OPTIONS .TP .BR AdvOnLink " " on | off When set, indicates that this prefix can be used for on-link determination. When not set the advertisement makes no statement about on-link or off-link properties of the prefix. For instance, the prefix might be used for address configuration with some of the addresses belonging to the prefix being on-link and others being off-link. Default: on .TP .BR AdvAutonomous " " on | off When set, indicates that this prefix can be used for autonomous address configuration as specified in RFC 4862. Default: on .TP .BR AdvRouterAddr " " on | off When set, indicates that the address of interface is sent instead of network prefix, as is required by Mobile IPv6. When set, minimum limits specified by Mobile IPv6 are used for MinRtrAdvInterval and MaxRtrAdvInterval. Default: off .TP .BR "AdvValidLifetime " seconds "" | infinity The length of time in seconds (relative to the time the packet is sent) that the prefix is valid for the purpose of on-link determination. The symbolic value .B infinity represents infinity (i.e. a value of all one bits (0xffffffff)). The valid lifetime is also used by RFC 4862. Note that clients will ignore AdvValidLifetime of an existing prefix if the lifetime is below two hours, as required in RFC 4862 Section 5.5.3 point e). Note: RFC4861's suggested default value is significantly longer: 30 days. Default: 86400 seconds (1 day) .TP .BR "AdvPreferredLifetime " seconds "" | infinity The length of time in seconds (relative to the time the packet is sent) that addresses generated from the prefix via stateless address autoconfiguration remain preferred. The symbolic value .B infinity represents infinity (i.e. a value of all one bits (0xffffffff)). See RFC 4862. Note: RFC4861's suggested default value is significantly longer: 7 days. Default: 14400 seconds (4 hours) .TP .BR DeprecatePrefix " " on | off Upon shutdown, this option will cause radvd to deprecate the prefix by announcing it in the radvd shutdown RA with a zero preferred lifetime and a valid lifetime slightly greater than 2 hours. This will encourage end-nodes using this prefix to deprecate any associated addresses immediately. Note that this option should only be used when only one router is announcing the prefix onto the link, otherwise end-nodes will deprecate associated addresses despite the prefix still being valid for preferred use. See RFC4862, section 5.5.3., "Router Advertisement Processing", part (e). Default: off .TP .BR DecrementLifetimes " " on | off This option causes radvd to decrement the values of the preferred and valid lifetimes for the prefix over time. The lifetimes are decremented by the number of seconds since the last RA. If radvd receives a SIGUSR1 signal, it will reset the values of the preferred and valid lifetimes back to the initial values used by radvd when it started. If radvd never receives a SIGUSR1 signal, it will continue to decrement the lifetimes until the preferred lifetime reaches zero. After a final RA with a zero value preferred lifetime, radvd will cease to announce the prefix. If a SIGUSR1 signal then causes the lifetimes to be reset, the prefix will then re-appear in the RAs. This option is intended to be used in conjunction with a DHCPv6 client that is using the Identity Association for Prefix Delegation (IA_PD) option to acquire a prefix from a Delegating Router for use by a Requesting Router. In this scenario, the prefix(es) from within the delegated prefix that are announced by radvd would age in parallel with and at the same rate as the delegated prefix, and expire at approximately the same time, if the delegated prefix's life isn't extended. See RFC3633, "IPv6 Prefix Options for Dynamic Host Configuration Protocol (DHCP) version 6". Default: off .TP .BR "Base6Interface " name If this options is specified, this prefix will be combined with the IPv6 address of the interface specified by .B name. The resulting prefix length will be 64. .TP .BR "Base6to4Interface " name If this option is specified, this prefix will be combined with the IPv4 address of interface .B name to produce a valid 6to4 prefix. The first 16 bits of this prefix will be replaced by .B 2002 and the next 32 bits of this prefix will be replaced by the IPv4 address assigned to interface .B name at configuration time. The remaining 80 bits of the prefix (including the SLA ID) will be advertised as specified in the configuration file. See the next section for an example. If interface .B name is not available at configuration time, a warning will be written to the log and this prefix will be disabled until radvd is reconfigured. This option enables systems with dynamic IPv4 addresses to update their advertised 6to4 prefixes simply by restarting radvd or sending a SIGHUP signal to cause radvd to reconfigure itself. Note that 6to4 prefixes derived from dynamically-assigned IPv4 addresses should be advertised with a significantly shorter lifetime (see the .B AdvValidLifetime and .B AdvPreferredLifetime options). For more information on 6to4, see RFC 3056. Default: 6to4 is not used .SH ROUTE SPECIFIC OPTIONS .TP .BR "AdvRouteLifetime " seconds "" | infinity The lifetime associated with the route in units of seconds. The symbolic value .B infinity represents infinity (i.e. a value of all one bits (0xffffffff)). Default: 3 * MaxRtrAdvInterval .TP .BR AdvRoutePreference " " low | medium | high The preference associated with the default router, as either "low", "medium", or "high". Default: medium .TP .BR RemoveRoute " " on | off Upon shutdown, announce this route with a zero second lifetime. This should cause the route to be immediately removed from the receiving end-nodes' route table. Default: on .SH RDNSS SPECIFIC OPTIONS .TP .BR "AdvRDNSSLifetime " seconds | infinity The maximum duration how long the RDNSS entries are used for name resolution. A value of 0 means the nameserver must no longer be used. The value, if not 0, must be at least MaxRtrAdvInterval. To ensure stale RDNSS info gets removed in a timely fashion, this should not be greater than 2*MaxRtrAdvInterval. Default: 2*MaxRtrAdvInterval .TP .BR FlushRDNSS " " on | off Upon shutdown, announce the RDNSS entries with a zero second lifetime. This should cause the RDNSS addresses to be immediately removed from the end-nodes' list of Recursive DNS Servers. Default: on .SH DNSSL SPECIFIC OPTIONS .TP .BR "AdvDNSSLLifetime " seconds | infinity; The maximum duration how long the DNSSL entries are used for name resolution. A value of 0 means the suffix should no longer be used. The value, if not 0, must be at least MaxRtrAdvInterval. To ensure stale DNSSL info gets removed in a timely fashion, this should not be greater than 2*MaxRtrAdvInterval. Default: 2*MaxRtrAdvInterval .TP .BR FlushDNSSL " " on | off Upon shutdown, announce the DNSSL entries with a zero second lifetime. This should cause the DNSSL entries to be immediately removed from the end-nodes' DNS search list. Default: on .SH EXAMPLES .nf interface eth0 { AdvSendAdvert on; prefix 2001:db8:0:1::/64 { AdvOnLink on; AdvAutonomous on; }; }; .fi It says that router advertisement daemon should advertise (AdvSendAdvert on;) the prefix 2001:db8:0:1:: which has a lenght of 64 on the interface eth0. Also the prefix should be marked as autonomous (AdvAutonomous on;) and as on-link (AdvOnLink on;). All the other options are left on their default values. To support movement detection of Mobile IPv6 Mobile Nodes, the address of interface should be used instead of network prefix: .nf interface eth0 { AdvSendAdvert on; prefix 2001:db8:0:1::4/64 { AdvOnLink on; AdvAutonomous on; AdvRouterAddr on; }; }; .fi For 6to4 support, include the .B Base6to4Interface option in each prefix section. When using a dynamic IPv4 address, set small prefix lifetimes to prevent hosts from retaining unreachable prefixes after a new IPv4 address has been assigned. When advertising to on a dynamic interface (e.g., Bluetooth), skip the interface if it is not active yet. .nf interface bnep0 { IgnoreIfMissing on; AdvSendAdvert on; # Advertise at least every 30 seconds MaxRtrAdvInterval 30; prefix 0:0:0:5678::/64 { AdvOnLink on; AdvAutonomous on; Base6to4Interface ppp0; # Very short lifetimes for dynamic addresses AdvValidLifetime 300; AdvPreferredLifetime 120; }; }; .fi Since 6to4 is enabled, the prefix will be advertised as 2002:WWXX:YYZZ:5678::/64, where WW.XX.YY.ZZ is the IPv4 address of ppp0 at configuration time. (IPv6 addresses are written in hexadecimal whereas IPv4 addresses are written in decimal, so the IPv4 address WW.XX.YY.ZZ in the 6to4 prefix will be represented in hex.) In this specific case, the configuration scripts may send HUP signal to radvd when taking bnep0 up or down to notify about the status; in the current radvd releases, sending HUP is no longer mandatory when the link comes back up. .nf interface eth0 { AdvSendAdvert on; prefix 2001:db8:0:1::/64 { AdvOnLink on; AdvAutonomous on; }; clients { fe80::21f:16ff:fe06:3aab; fe80::21d:72ff:fe96:aaff; }; }; .fi This configuration would only announce the prefix to fe80::21f:16ff:fe06:3aab and fe80::21d:72ff:fe96:aaff. Furthermore, all RA requests of other clients are denied. This may come in handy if you want to roll out IPv6 only partially because some clients are broken or untested. .SH FILES .nf @sbindir@/radvd @PATH_RADVD_CONF@ @PATH_RADVD_PID@ @PATH_RADVD_LOG@ .fi .SH CREDIT The description of the different flags and variables is in large parts taken from RFC 4861. .SH RFCS Narten, T., Nordmark, E., Simpson, W., and H. Soliman, "Neighbor Discovery for IP Version 6 (IPv6)", RFC 4861, September 2007. .PP Thomson, S., Narten, T., T. Jinmei, "IPv6 Stateless Address Autoconfiguration", RFC 4862, September 2007. .PP Deering, S., and R. Hinden, "IP Version 6 Addressing Architecture", RFC 4291, February 2006. .PP Conta, A., Deering, S., and M. Gupta "Internet Control Message Protocol (ICMPv6) for the Internet Protocol Version 6 (IPv6)", RFC 4443, March 2006. .PP Crawford, M., "Transmission of IPv6 Packets over Ethernet Networks", RFC 2464, December 1998. .PP Carpenter B., K. Moore, "Connection of IPv6 Domains via IPv4 Clouds", RFC 3056, February 2001. (6to4 specification) .PP Draves, R., D. Thaler, "Default Router Preferences and More-Specific Routes", RFC 4191, November 2005. .PP Johnson, D., Perkins, C., and J. Arkko, "Mobility Support in IPv6", RFC 3775, June 2004. .PP Devarapalli, V., Wakikawa, R., Petrescu, A., and P. Thubert "Network Mobility (NEMO) Basic Support Protocol", RFC 3963, January 2005. .PP J. Jeong, S. Park, L. Beloeil, and S. Madanapalli, "IPv6 Router Advertisement Options for DNS Configuration", RFC 6106, November 2010. .SH "SEE ALSO" .BR radvd (8), .BR radvdump (8) .SH BUGS radvd does not support splitting up RAs to multiple packets (RFC4861 6.2.3 last paragraph). In practise this limits advertising to ~45 prefixes on a link, but there is no reason to be able to so. radvd-1.9.1/privsep-linux.c0000664000175000017500000001237311721640116012543 00000000000000/* * * Authors: * Jim Paris * Pedro Roque * Lars Fenneberg * * This software is Copyright 1996,1997,2008 by the above mentioned author(s), * All Rights Reserved. * * The license which is distributed with this software in the file COPYRIGHT * applies to this software. If your distribution is missing this file, you * may request it from . * */ #include "config.h" #include "includes.h" #include "radvd.h" #include "pathnames.h" int privsep_set(const char *iface, const char *var, uint32_t val); void privsep_read_loop(void); /* For reading or writing, depending on process */ static int pfd = -1; /* Command types */ enum privsep_type { SET_INTERFACE_LINKMTU, SET_INTERFACE_CURHLIM, SET_INTERFACE_REACHTIME, SET_INTERFACE_RETRANSTIMER, }; /* Command sent over pipe is a fixed size binary structure. */ struct privsep_command { int type; char iface[IFNAMSIZ]; uint32_t val; }; /* Privileged read loop */ void privsep_read_loop(void) { struct privsep_command cmd; int ret; while (1) { ret = readn(pfd, &cmd, sizeof(cmd)); if (ret <= 0) { /* Error or EOF, give up */ if (ret < 0) { flog(LOG_ERR, "Exiting, privsep_read_loop had readn error: %s\n", strerror(errno)); } else { flog(LOG_ERR, "Exiting, privsep_read_loop had readn return 0 bytes\n"); } close(pfd); _exit(0); } if (ret != sizeof(cmd)) { /* Short read, ignore */ return; } cmd.iface[IFNAMSIZ-1] = '\0'; switch(cmd.type) { case SET_INTERFACE_LINKMTU: if (cmd.val < MIN_AdvLinkMTU || cmd.val > MAX_AdvLinkMTU) { flog(LOG_ERR, "(privsep) %s: LinkMTU (%u) is not within the defined bounds, ignoring", cmd.iface, cmd.val); break; } ret = set_interface_var(cmd.iface, PROC_SYS_IP6_LINKMTU, "LinkMTU", cmd.val); break; case SET_INTERFACE_CURHLIM: if (cmd.val < MIN_AdvCurHopLimit || cmd.val > MAX_AdvCurHopLimit) { flog(LOG_ERR, "(privsep) %s: CurHopLimit (%u) is not within the defined bounds, ignoring", cmd.iface, cmd.val); break; } ret = set_interface_var(cmd.iface, PROC_SYS_IP6_CURHLIM, "CurHopLimit", cmd.val); break; case SET_INTERFACE_REACHTIME: if (cmd.val < MIN_AdvReachableTime || cmd.val > MAX_AdvReachableTime) { flog(LOG_ERR, "(privsep) %s: BaseReachableTimer (%u) is not within the defined bounds, ignoring", cmd.iface, cmd.val); break; } ret = set_interface_var(cmd.iface, PROC_SYS_IP6_BASEREACHTIME_MS, "BaseReachableTimer (ms)", cmd.val); if (ret == 0) break; set_interface_var(cmd.iface, PROC_SYS_IP6_BASEREACHTIME, "BaseReachableTimer", cmd.val / 1000); break; case SET_INTERFACE_RETRANSTIMER: if (cmd.val < MIN_AdvRetransTimer || cmd.val > MAX_AdvRetransTimer) { flog(LOG_ERR, "(privsep) %s: RetransTimer (%u) is not within the defined bounds, ignoring", cmd.iface, cmd.val); break; } ret = set_interface_var(cmd.iface, PROC_SYS_IP6_RETRANSTIMER_MS, "RetransTimer (ms)", cmd.val); if (ret == 0) break; set_interface_var(cmd.iface, PROC_SYS_IP6_RETRANSTIMER, "RetransTimer", cmd.val / 1000 * USER_HZ); /* XXX user_hz */ break; default: /* Bad command */ break; } } } /* Fork to create privileged process connected by a pipe */ int privsep_init(void) { int pipefds[2]; pid_t pid; if (pipe(pipefds) != 0) { flog(LOG_ERR, "Couldn't create privsep pipe."); return (-1); } pid = fork(); if (pid == -1) { flog(LOG_ERR, "Couldn't fork for privsep."); return (-1); } if (pid == 0) { int nullfd; /* This will be the privileged child */ close(pipefds[1]); pfd = pipefds[0]; /* Detach from stdio */ nullfd = open("/dev/null", O_RDONLY); if (nullfd < 0) { perror("/dev/null"); close(pfd); _exit(1); } dup2(nullfd, 0); dup2(nullfd, 1); /* XXX: we'll keep stderr open in debug mode for better logging */ if (get_debuglevel() == 0) dup2(nullfd, 2); privsep_read_loop(); close(pfd); flog(LOG_ERR, "Exiting, privsep_read_loop is complete.\n"); _exit(0); } /* Continue execution (will drop privileges soon) */ close(pipefds[0]); pfd = pipefds[1]; return 0; } /* Interface calls for the unprivileged process */ int privsep_interface_linkmtu(const char *iface, uint32_t mtu) { struct privsep_command cmd; cmd.type = SET_INTERFACE_LINKMTU; strncpy(cmd.iface, iface, sizeof(cmd.iface)); cmd.val = mtu; if (writen(pfd, &cmd, sizeof(cmd)) != sizeof(cmd)) return (-1); return 0; } int privsep_interface_curhlim(const char *iface, uint32_t hlim) { struct privsep_command cmd; cmd.type = SET_INTERFACE_CURHLIM; strncpy(cmd.iface, iface, sizeof(cmd.iface)); cmd.val = hlim; if (writen(pfd, &cmd, sizeof(cmd)) != sizeof(cmd)) return (-1); return 0; } int privsep_interface_reachtime(const char *iface, uint32_t rtime) { struct privsep_command cmd; cmd.type = SET_INTERFACE_REACHTIME; strncpy(cmd.iface, iface, sizeof(cmd.iface)); cmd.val = rtime; if (writen(pfd, &cmd, sizeof(cmd)) != sizeof(cmd)) return (-1); return 0; } int privsep_interface_retranstimer(const char *iface, uint32_t rettimer) { struct privsep_command cmd; cmd.type = SET_INTERFACE_RETRANSTIMER; strncpy(cmd.iface, iface, sizeof(cmd.iface)); cmd.val = rettimer; if (writen(pfd, &cmd, sizeof(cmd)) != sizeof(cmd)) return (-1); return 0; } radvd-1.9.1/ylwrap0000755000175000017500000001404311770076146011022 00000000000000#! /bin/sh # ylwrap - wrapper for lex/yacc invocations. scriptversion=2009-04-28.21; # UTC # Copyright (C) 1996, 1997, 1998, 1999, 2001, 2002, 2003, 2004, 2005, # 2007, 2009 Free Software Foundation, Inc. # # Written by Tom Tromey . # # This program 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, 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. # This file is maintained in Automake, please report # bugs to or send patches to # . case "$1" in '') echo "$0: No files given. Try \`$0 --help' for more information." 1>&2 exit 1 ;; --basedir) basedir=$2 shift 2 ;; -h|--h*) cat <<\EOF Usage: ylwrap [--help|--version] INPUT [OUTPUT DESIRED]... -- PROGRAM [ARGS]... Wrapper for lex/yacc invocations, renaming files as desired. INPUT is the input file OUTPUT is one file PROG generates DESIRED is the file we actually want instead of OUTPUT PROGRAM is program to run ARGS are passed to PROG Any number of OUTPUT,DESIRED pairs may be used. Report bugs to . EOF exit $? ;; -v|--v*) echo "ylwrap $scriptversion" exit $? ;; esac # The input. input="$1" shift case "$input" in [\\/]* | ?:[\\/]*) # Absolute path; do nothing. ;; *) # Relative path. Make it absolute. input="`pwd`/$input" ;; esac pairlist= while test "$#" -ne 0; do if test "$1" = "--"; then shift break fi pairlist="$pairlist $1" shift done # The program to run. prog="$1" shift # Make any relative path in $prog absolute. case "$prog" in [\\/]* | ?:[\\/]*) ;; *[\\/]*) prog="`pwd`/$prog" ;; esac # FIXME: add hostname here for parallel makes that run commands on # other machines. But that might take us over the 14-char limit. dirname=ylwrap$$ trap "cd '`pwd`'; rm -rf $dirname > /dev/null 2>&1" 1 2 3 15 mkdir $dirname || exit 1 cd $dirname case $# in 0) "$prog" "$input" ;; *) "$prog" "$@" "$input" ;; esac ret=$? if test $ret -eq 0; then set X $pairlist shift first=yes # Since DOS filename conventions don't allow two dots, # the DOS version of Bison writes out y_tab.c instead of y.tab.c # and y_tab.h instead of y.tab.h. Test to see if this is the case. y_tab_nodot="no" if test -f y_tab.c || test -f y_tab.h; then y_tab_nodot="yes" fi # The directory holding the input. input_dir=`echo "$input" | sed -e 's,\([\\/]\)[^\\/]*$,\1,'` # Quote $INPUT_DIR so we can use it in a regexp. # FIXME: really we should care about more than `.' and `\'. input_rx=`echo "$input_dir" | sed 's,\\\\,\\\\\\\\,g;s,\\.,\\\\.,g'` while test "$#" -ne 0; do from="$1" # Handle y_tab.c and y_tab.h output by DOS if test $y_tab_nodot = "yes"; then if test $from = "y.tab.c"; then from="y_tab.c" else if test $from = "y.tab.h"; then from="y_tab.h" fi fi fi if test -f "$from"; then # If $2 is an absolute path name, then just use that, # otherwise prepend `../'. case "$2" in [\\/]* | ?:[\\/]*) target="$2";; *) target="../$2";; esac # We do not want to overwrite a header file if it hasn't # changed. This avoid useless recompilations. However the # parser itself (the first file) should always be updated, # because it is the destination of the .y.c rule in the # Makefile. Divert the output of all other files to a temporary # file so we can compare them to existing versions. if test $first = no; then realtarget="$target" target="tmp-`echo $target | sed s/.*[\\/]//g`" fi # Edit out `#line' or `#' directives. # # We don't want the resulting debug information to point at # an absolute srcdir; it is better for it to just mention the # .y file with no path. # # We want to use the real output file name, not yy.lex.c for # instance. # # We want the include guards to be adjusted too. FROM=`echo "$from" | sed \ -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'\ -e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g'` TARGET=`echo "$2" | sed \ -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'\ -e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g'` sed -e "/^#/!b" -e "s,$input_rx,," -e "s,$from,$2," \ -e "s,$FROM,$TARGET," "$from" >"$target" || ret=$? # Check whether header files must be updated. if test $first = no; then if test -f "$realtarget" && cmp -s "$realtarget" "$target"; then echo "$2" is unchanged rm -f "$target" else echo updating "$2" mv -f "$target" "$realtarget" fi fi else # A missing file is only an error for the first file. This # is a blatant hack to let us support using "yacc -d". If -d # is not specified, we don't want an error when the header # file is "missing". if test $first = yes; then ret=1 fi fi shift shift first=no done else ret=$? fi # Remove the directory. cd .. rm -rf $dirname exit $ret # Local Variables: # mode: shell-script # sh-indentation: 2 # 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: radvd-1.9.1/device-bsd44.c0000664000175000017500000001212111763427755012104 00000000000000/* * * Authors: * Craig Metz * * This software is Copyright 1996,1997 by the above mentioned author(s), * All Rights Reserved. * * The license which is distributed with this software in the file COPYRIGHT * applies to this software. If your distribution is missing this file, you * may request it from . * */ #include "config.h" #include "includes.h" #include "radvd.h" #include "defaults.h" #include "pathnames.h" /* for PATH_PROC_NET_IF_INET6 */ static uint8_t ll_prefix[] = { 0xfe, 0x80 }; /* * this function gets the hardware type and address of an interface, * determines the link layer token length and checks it against * the defined prefixes */ int setup_deviceinfo(struct Interface *iface) { struct ifaddrs *addresses = 0, *ifa; struct ifreq ifr; struct AdvPrefix *prefix; char zero[sizeof(iface->if_addr)]; if(if_nametoindex(iface->Name) == 0){ flog(LOG_ERR, "%s not found: %s", iface->Name, strerror(errno)); goto ret; } memset(&ifr, 0, sizeof(ifr)); strncpy(ifr.ifr_name, iface->Name, IFNAMSIZ-1); ifr.ifr_name[IFNAMSIZ-1] = '\0'; if (ioctl(sock, SIOCGIFMTU, &ifr) < 0) { flog(LOG_ERR, "ioctl(SIOCGIFMTU) failed for %s: %s", iface->Name, strerror(errno)); goto ret; } dlog(LOG_DEBUG, 3, "mtu for %s is %d", iface->Name, ifr.ifr_mtu); iface->if_maxmtu = ifr.ifr_mtu; if (getifaddrs(&addresses) != 0) { flog(LOG_ERR, "getifaddrs failed: %s(%d)", strerror(errno), errno); goto ret; } for (ifa = addresses; ifa != NULL; ifa = ifa->ifa_next) { if (strcmp(ifa->ifa_name, iface->Name) != 0) continue; if (ifa->ifa_addr == NULL) continue; if (ifa->ifa_addr->sa_family != AF_LINK) continue; struct sockaddr_dl *dl = (struct sockaddr_dl*)ifa->ifa_addr; if (dl->sdl_alen > sizeof(iface->if_addr)) { flog(LOG_ERR, "address length %d too big for", dl->sdl_alen, iface->Name); goto ret; } memcpy(iface->if_hwaddr, LLADDR(dl), dl->sdl_alen); iface->if_hwaddr_len = dl->sdl_alen << 3; switch(dl->sdl_type) { case IFT_ETHER: case IFT_ISO88023: iface->if_prefix_len = 64; break; case IFT_FDDI: iface->if_prefix_len = 64; break; default: iface->if_prefix_len = -1; iface->if_maxmtu = -1; break; } dlog(LOG_DEBUG, 3, "link layer token length for %s is %d", iface->Name, iface->if_hwaddr_len); dlog(LOG_DEBUG, 3, "prefix length for %s is %d", iface->Name, iface->if_prefix_len); if (iface->if_prefix_len != -1) { memset(zero, 0, dl->sdl_alen); if (!memcmp(iface->if_hwaddr, zero, dl->sdl_alen)) flog(LOG_WARNING, "WARNING, MAC address on %s is all zero!", iface->Name); } prefix = iface->AdvPrefixList; while (prefix) { if ((iface->if_prefix_len != -1) && (iface->if_prefix_len != prefix->PrefixLen)) { flog(LOG_WARNING, "prefix length should be %d for %s", iface->if_prefix_len, iface->Name); } prefix = prefix->next; } freeifaddrs(addresses); return 0; } ret: iface->if_maxmtu = -1; iface->if_hwaddr_len = -1; iface->if_prefix_len = -1; if (addresses != 0) freeifaddrs(addresses); return -1; } /* * Saves the first link local address seen on the specified interface to iface->if_addr * */ int setup_linklocal_addr(struct Interface *iface) { struct ifaddrs *addresses = 0, *ifa; if (getifaddrs(&addresses) != 0) { flog(LOG_ERR, "getifaddrs failed: %s(%d)", strerror(errno), errno); goto ret; } for (ifa = addresses; ifa != NULL; ifa = ifa->ifa_next) { if (strcmp(ifa->ifa_name, iface->Name) != 0) continue; if (ifa->ifa_addr == NULL) continue; if (ifa->ifa_addr->sa_family == AF_LINK) { struct sockaddr_dl *dl = (struct sockaddr_dl*)ifa->ifa_addr; if (memcmp(iface->Name, dl->sdl_data, dl->sdl_nlen) == 0) iface->if_index = dl->sdl_index; continue; } if (ifa->ifa_addr->sa_family != AF_INET6) continue; struct sockaddr_in6 *a6 = (struct sockaddr_in6*)ifa->ifa_addr; /* Skip if it is not a linklocal address */ if (memcmp(&(a6->sin6_addr), ll_prefix, sizeof(ll_prefix)) != 0) continue; memcpy(&iface->if_addr, &(a6->sin6_addr), sizeof(struct in6_addr)); freeifaddrs(addresses); return 0; } ret: if(addresses) freeifaddrs(addresses); flog(LOG_ERR, "no linklocal address configured for %s", iface->Name); return -1; } int setup_allrouters_membership(struct Interface *iface) { return (0); } int check_allrouters_membership(struct Interface *iface) { return (0); } int set_interface_linkmtu(const char *iface, uint32_t mtu) { dlog(LOG_DEBUG, 4, "setting LinkMTU (%u) for %s is not supported", mtu, iface); return -1; } int set_interface_curhlim(const char *iface, uint8_t hlim) { dlog(LOG_DEBUG, 4, "setting CurHopLimit (%u) for %s is not supported", hlim, iface); return -1; } int set_interface_reachtime(const char *iface, uint32_t rtime) { dlog(LOG_DEBUG, 4, "setting BaseReachableTime (%u) for %s is not supported", rtime, iface); return -1; } int set_interface_retranstimer(const char *iface, uint32_t rettimer) { dlog(LOG_DEBUG, 4, "setting RetransTimer (%u) for %s is not supported", rettimer, iface); return -1; } radvd-1.9.1/process.c0000664000175000017500000003150311721640116011370 00000000000000/* * * Authors: * Pedro Roque * Lars Fenneberg * * This software is Copyright 1996,1997 by the above mentioned author(s), * All Rights Reserved. * * The license which is distributed with this software in the file COPYRIGHT * applies to this software. If your distribution is missing this file, you * may request it from . * */ #include "config.h" #include "includes.h" #include "radvd.h" static void process_rs(struct Interface *, unsigned char *msg, int len, struct sockaddr_in6 *); static void process_ra(struct Interface *, unsigned char *msg, int len, struct sockaddr_in6 *); static int addr_match(struct in6_addr *a1, struct in6_addr *a2, int prefixlen); void process(struct Interface *ifacel, unsigned char *msg, int len, struct sockaddr_in6 *addr, struct in6_pktinfo *pkt_info, int hoplimit) { struct Interface *iface; struct icmp6_hdr *icmph; char addr_str[INET6_ADDRSTRLEN]; print_addr(&addr->sin6_addr, addr_str); if ( ! pkt_info ) { flog(LOG_WARNING, "received packet with no pkt_info from %s!", addr_str ); return; } /* * can this happen? */ if (len < sizeof(struct icmp6_hdr)) { flog(LOG_WARNING, "received icmpv6 packet with invalid length (%d) from %s", len, addr_str); return; } icmph = (struct icmp6_hdr *) msg; if (icmph->icmp6_type != ND_ROUTER_SOLICIT && icmph->icmp6_type != ND_ROUTER_ADVERT) { /* * We just want to listen to RSs and RAs */ flog(LOG_ERR, "icmpv6 filter failed"); return; } if (icmph->icmp6_type == ND_ROUTER_ADVERT) { if (len < sizeof(struct nd_router_advert)) { flog(LOG_WARNING, "received icmpv6 RA packet with invalid length (%d) from %s", len, addr_str); return; } if (!IN6_IS_ADDR_LINKLOCAL(&addr->sin6_addr)) { flog(LOG_WARNING, "received icmpv6 RA packet with non-linklocal source address from %s", addr_str); return; } } if (icmph->icmp6_type == ND_ROUTER_SOLICIT) { if (len < sizeof(struct nd_router_solicit)) { flog(LOG_WARNING, "received icmpv6 RS packet with invalid length (%d) from %s", len, addr_str); return; } } if (icmph->icmp6_code != 0) { flog(LOG_WARNING, "received icmpv6 RS/RA packet with invalid code (%d) from %s", icmph->icmp6_code, addr_str); return; } dlog(LOG_DEBUG, 4, "if_index %u", pkt_info->ipi6_ifindex); /* get iface by received if_index */ for (iface = ifacel; iface; iface=iface->next) { if (iface->if_index == pkt_info->ipi6_ifindex) { break; } } if (iface == NULL) { dlog(LOG_DEBUG, 2, "received packet from unknown interface: %d", pkt_info->ipi6_ifindex); return; } if (hoplimit != 255) { print_addr(&addr->sin6_addr, addr_str); flog(LOG_WARNING, "received RS or RA with invalid hoplimit %d from %s", hoplimit, addr_str); return; } if (!iface->AdvSendAdvert) { dlog(LOG_DEBUG, 2, "AdvSendAdvert is off for %s", iface->Name); return; } dlog(LOG_DEBUG, 4, "found Interface: %s", iface->Name); if (icmph->icmp6_type == ND_ROUTER_SOLICIT) { dlog(LOG_DEBUG, 4, "received RS from %s", addr_str); process_rs(iface, msg, len, addr); } else if (icmph->icmp6_type == ND_ROUTER_ADVERT) { dlog(LOG_DEBUG, 4, "received RA from %s", addr_str); process_ra(iface, msg, len, addr); } } static void process_rs(struct Interface *iface, unsigned char *msg, int len, struct sockaddr_in6 *addr) { double delay; double next; struct timeval tv; uint8_t *opt_str; /* validation */ len -= sizeof(struct nd_router_solicit); opt_str = (uint8_t *)(msg + sizeof(struct nd_router_solicit)); while (len > 0) { int optlen; if (len < 2) { flog(LOG_WARNING, "trailing garbage in RS"); return; } optlen = (opt_str[1] << 3); if (optlen == 0) { flog(LOG_WARNING, "zero length option in RS"); return; } else if (optlen > len) { flog(LOG_WARNING, "option length greater than total length in RS"); return; } if (*opt_str == ND_OPT_SOURCE_LINKADDR && IN6_IS_ADDR_UNSPECIFIED(&addr->sin6_addr)) { flog(LOG_WARNING, "received icmpv6 RS packet with unspecified source address and there is a lladdr option"); return; } len -= optlen; opt_str += optlen; } gettimeofday(&tv, NULL); delay = MAX_RA_DELAY_TIME * rand() / (RAND_MAX +1.0); if (iface->UnicastOnly) { send_ra_forall(iface, &addr->sin6_addr); } else if ( timevaldiff(&tv, &iface->last_multicast) / 1000.0 < iface->MinDelayBetweenRAs ) { /* last RA was sent only a few moments ago, don't send another immediately. */ next = iface->MinDelayBetweenRAs - (tv.tv_sec + tv.tv_usec / 1000000.0) + (iface->last_multicast.tv_sec + iface->last_multicast.tv_usec / 1000000.0) + delay/1000.0; iface->next_multicast = next_timeval(next); } else { /* no RA sent in a while, send a multicast reply */ send_ra_forall(iface, NULL); next = rand_between(iface->MinRtrAdvInterval, iface->MaxRtrAdvInterval); iface->next_multicast = next_timeval(next); } } /* * check router advertisements according to RFC 4861, 6.2.7 */ static void process_ra(struct Interface *iface, unsigned char *msg, int len, struct sockaddr_in6 *addr) { struct nd_router_advert *radvert; char addr_str[INET6_ADDRSTRLEN]; uint8_t *opt_str; print_addr(&addr->sin6_addr, addr_str); radvert = (struct nd_router_advert *) msg; if ((radvert->nd_ra_curhoplimit && iface->AdvCurHopLimit) && (radvert->nd_ra_curhoplimit != iface->AdvCurHopLimit)) { flog(LOG_WARNING, "our AdvCurHopLimit on %s doesn't agree with %s", iface->Name, addr_str); } if ((radvert->nd_ra_flags_reserved & ND_RA_FLAG_MANAGED) && !iface->AdvManagedFlag) { flog(LOG_WARNING, "our AdvManagedFlag on %s doesn't agree with %s", iface->Name, addr_str); } if ((radvert->nd_ra_flags_reserved & ND_RA_FLAG_OTHER) && !iface->AdvOtherConfigFlag) { flog(LOG_WARNING, "our AdvOtherConfigFlag on %s doesn't agree with %s", iface->Name, addr_str); } /* note: we don't check the default router preference here, because they're likely different */ if ((radvert->nd_ra_reachable && iface->AdvReachableTime) && (ntohl(radvert->nd_ra_reachable) != iface->AdvReachableTime)) { flog(LOG_WARNING, "our AdvReachableTime on %s doesn't agree with %s", iface->Name, addr_str); } if ((radvert->nd_ra_retransmit && iface->AdvRetransTimer) && (ntohl(radvert->nd_ra_retransmit) != iface->AdvRetransTimer)) { flog(LOG_WARNING, "our AdvRetransTimer on %s doesn't agree with %s", iface->Name, addr_str); } len -= sizeof(struct nd_router_advert); if (len == 0) return; opt_str = (uint8_t *)(msg + sizeof(struct nd_router_advert)); while (len > 0) { int optlen; struct nd_opt_prefix_info *pinfo; struct nd_opt_rdnss_info_local *rdnssinfo; struct nd_opt_dnssl_info_local *dnsslinfo; struct nd_opt_mtu *mtu; struct AdvPrefix *prefix; struct AdvRDNSS *rdnss; char prefix_str[INET6_ADDRSTRLEN]; char rdnss_str[INET6_ADDRSTRLEN]; char suffix[256]; unsigned int offset, label_len; uint32_t preferred, valid, count; if (len < 2) { flog(LOG_ERR, "trailing garbage in RA on %s from %s", iface->Name, addr_str); break; } optlen = (opt_str[1] << 3); if (optlen == 0) { flog(LOG_ERR, "zero length option in RA on %s from %s", iface->Name, addr_str); break; } else if (optlen > len) { flog(LOG_ERR, "option length (%d) greater than total" " length (%d) in RA on %s from %s", optlen, len, iface->Name, addr_str); break; } switch (*opt_str) { case ND_OPT_MTU: mtu = (struct nd_opt_mtu *)opt_str; if (len < sizeof(*mtu)) return; if (iface->AdvLinkMTU && (ntohl(mtu->nd_opt_mtu_mtu) != iface->AdvLinkMTU)) { flog(LOG_WARNING, "our AdvLinkMTU on %s doesn't agree with %s", iface->Name, addr_str); } break; case ND_OPT_PREFIX_INFORMATION: pinfo = (struct nd_opt_prefix_info *) opt_str; if (len < sizeof(*pinfo)) return; preferred = ntohl(pinfo->nd_opt_pi_preferred_time); valid = ntohl(pinfo->nd_opt_pi_valid_time); prefix = iface->AdvPrefixList; while (prefix) { if (prefix->enabled && (prefix->PrefixLen == pinfo->nd_opt_pi_prefix_len) && addr_match(&prefix->Prefix, &pinfo->nd_opt_pi_prefix, prefix->PrefixLen)) { print_addr(&prefix->Prefix, prefix_str); if (!prefix->DecrementLifetimesFlag && valid != prefix->AdvValidLifetime) { flog(LOG_WARNING, "our AdvValidLifetime on" " %s for %s doesn't agree with %s", iface->Name, prefix_str, addr_str ); } if (!prefix->DecrementLifetimesFlag && preferred != prefix->AdvPreferredLifetime) { flog(LOG_WARNING, "our AdvPreferredLifetime on" " %s for %s doesn't agree with %s", iface->Name, prefix_str, addr_str ); } } prefix = prefix->next; } break; case ND_OPT_ROUTE_INFORMATION: /* not checked: these will very likely vary a lot */ break; case ND_OPT_SOURCE_LINKADDR: /* not checked */ break; case ND_OPT_TARGET_LINKADDR: case ND_OPT_REDIRECTED_HEADER: flog(LOG_ERR, "invalid option %d in RA on %s from %s", (int)*opt_str, iface->Name, addr_str); break; /* Mobile IPv6 extensions */ case ND_OPT_RTR_ADV_INTERVAL: case ND_OPT_HOME_AGENT_INFO: /* not checked */ break; case ND_OPT_RDNSS_INFORMATION: rdnssinfo = (struct nd_opt_rdnss_info_local *) opt_str; if (len < sizeof(*rdnssinfo)) return; count = rdnssinfo->nd_opt_rdnssi_len; /* Check the RNDSS addresses received */ switch (count) { case 7: rdnss = iface->AdvRDNSSList; if (!check_rdnss_presence(rdnss, &rdnssinfo->nd_opt_rdnssi_addr3 )) { /* no match found in iface->AdvRDNSSList */ print_addr(&rdnssinfo->nd_opt_rdnssi_addr3, rdnss_str); flog(LOG_WARNING, "RDNSS address %s received on %s from %s is not advertised by us", rdnss_str, iface->Name, addr_str); } /* FALLTHROUGH */ case 5: rdnss = iface->AdvRDNSSList; if (!check_rdnss_presence(rdnss, &rdnssinfo->nd_opt_rdnssi_addr2 )) { /* no match found in iface->AdvRDNSSList */ print_addr(&rdnssinfo->nd_opt_rdnssi_addr2, rdnss_str); flog(LOG_WARNING, "RDNSS address %s received on %s from %s is not advertised by us", rdnss_str, iface->Name, addr_str); } /* FALLTHROUGH */ case 3: rdnss = iface->AdvRDNSSList; if (!check_rdnss_presence(rdnss, &rdnssinfo->nd_opt_rdnssi_addr1 )) { /* no match found in iface->AdvRDNSSList */ print_addr(&rdnssinfo->nd_opt_rdnssi_addr1, rdnss_str); flog(LOG_WARNING, "RDNSS address %s received on %s from %s is not advertised by us", rdnss_str, iface->Name, addr_str); } break; default: flog(LOG_ERR, "invalid len %i in RDNSS option on %s from %s", count, iface->Name, addr_str); } break; case ND_OPT_DNSSL_INFORMATION: dnsslinfo = (struct nd_opt_dnssl_info_local *) opt_str; if (len < sizeof(*dnsslinfo)) return; suffix[0] = '\0'; for (offset = 0; offset < (dnsslinfo->nd_opt_dnssli_len-1)*8;) { if (&dnsslinfo->nd_opt_dnssli_suffixes[offset] - opt_str >= len) return; label_len = dnsslinfo->nd_opt_dnssli_suffixes[offset++]; if (label_len == 0) { /* * Ignore empty suffixes. They're * probably just padding... */ if (suffix[0] == '\0') continue; if (!check_dnssl_presence(iface->AdvDNSSLList, suffix)) { flog(LOG_WARNING, "DNSSL suffix %s received on %s from %s is not advertised by us", suffix, iface->Name, addr_str); } suffix[0] = '\0'; continue; } /* * 1) must not overflow int: label + 2, offset + label_len * 2) last byte of dnssli_suffix must not overflow opt_str + len */ if ((sizeof(suffix) - strlen(suffix)) < (label_len + 2) || label_len > label_len + 2 || &dnsslinfo->nd_opt_dnssli_suffixes[offset+label_len] - opt_str >= len || offset + label_len < offset) { flog(LOG_ERR, "oversized suffix in DNSSL option on %s from %s", iface->Name, addr_str); break; } if (suffix[0] != '\0') strcat(suffix, "."); strncat(suffix, (char*)&dnsslinfo->nd_opt_dnssli_suffixes[offset], label_len); offset += label_len; } break; default: dlog(LOG_DEBUG, 1, "unknown option %d in RA on %s from %s", (int)*opt_str, iface->Name, addr_str); break; } len -= optlen; opt_str += optlen; } } static int addr_match(struct in6_addr *a1, struct in6_addr *a2, int prefixlen) { unsigned int pdw; unsigned int pbi; pdw = prefixlen >> 0x05; /* num of whole uint32_t in prefix */ pbi = prefixlen & 0x1f; /* num of bits in incomplete uint32_t in prefix */ if (pdw) { if (memcmp(a1, a2, pdw << 2)) return 0; } if (pbi) { uint32_t w1, w2; uint32_t mask; w1 = *((uint32_t *)a1 + pdw); w2 = *((uint32_t *)a2 + pdw); mask = htonl(((uint32_t) 0xffffffff) << (0x20 - pbi)); if ((w1 ^ w2) & mask) return 0; } return 1; } radvd-1.9.1/recv.c0000664000175000017500000000604211721640116010651 00000000000000/* * * Authors: * Pedro Roque * Lars Fenneberg * * This software is Copyright 1996,1997 by the above mentioned author(s), * All Rights Reserved. * * The license which is distributed with this software in the file COPYRIGHT * applies to this software. If your distribution is missing this file, you * may request it from . * */ #include "config.h" #include "includes.h" #include "radvd.h" int recv_rs_ra(unsigned char *msg, struct sockaddr_in6 *addr, struct in6_pktinfo **pkt_info, int *hoplimit) { struct msghdr mhdr; struct cmsghdr *cmsg; struct iovec iov; static unsigned char *chdr = NULL; static unsigned int chdrlen = 0; int len; fd_set rfds; if( ! chdr ) { chdrlen = CMSG_SPACE(sizeof(struct in6_pktinfo)) + CMSG_SPACE(sizeof(int)); if ((chdr = malloc(chdrlen)) == NULL) { flog(LOG_ERR, "recv_rs_ra: malloc: %s", strerror(errno)); return -1; } } FD_ZERO( &rfds ); FD_SET( sock, &rfds ); if( select( sock+1, &rfds, NULL, NULL, NULL ) < 0 ) { if (errno != EINTR) flog(LOG_ERR, "select: %s", strerror(errno)); return -1; } iov.iov_len = MSG_SIZE_RECV; iov.iov_base = (caddr_t) msg; memset(&mhdr, 0, sizeof(mhdr)); mhdr.msg_name = (caddr_t)addr; mhdr.msg_namelen = sizeof(*addr); mhdr.msg_iov = &iov; mhdr.msg_iovlen = 1; mhdr.msg_control = (void *)chdr; mhdr.msg_controllen = chdrlen; len = recvmsg(sock, &mhdr, 0); if (len < 0) { if (errno != EINTR) flog(LOG_ERR, "recvmsg: %s", strerror(errno)); return len; } *hoplimit = 255; for (cmsg = CMSG_FIRSTHDR(&mhdr); cmsg != NULL; cmsg = CMSG_NXTHDR(&mhdr, cmsg)) { if (cmsg->cmsg_level != IPPROTO_IPV6) continue; switch(cmsg->cmsg_type) { #ifdef IPV6_HOPLIMIT case IPV6_HOPLIMIT: if ((cmsg->cmsg_len == CMSG_LEN(sizeof(int))) && (*(int *)CMSG_DATA(cmsg) >= 0) && (*(int *)CMSG_DATA(cmsg) < 256)) { *hoplimit = *(int *)CMSG_DATA(cmsg); } else { flog(LOG_ERR, "received a bogus IPV6_HOPLIMIT from the kernel! len=%d, data=%d", cmsg->cmsg_len, *(int *)CMSG_DATA(cmsg)); return (-1); } break; #endif /* IPV6_HOPLIMIT */ case IPV6_PKTINFO: if ((cmsg->cmsg_len == CMSG_LEN(sizeof(struct in6_pktinfo))) && ((struct in6_pktinfo *)CMSG_DATA(cmsg))->ipi6_ifindex) { *pkt_info = (struct in6_pktinfo *)CMSG_DATA(cmsg); } else { flog(LOG_ERR, "received a bogus IPV6_PKTINFO from the kernel! len=%d, index=%d", cmsg->cmsg_len, ((struct in6_pktinfo *)CMSG_DATA(cmsg))->ipi6_ifindex); return (-1); } break; } } dlog(LOG_DEBUG, 4, "recvmsg len=%d", len); return len; } radvd-1.9.1/netlink.h0000664000175000017500000000077011721640116011365 00000000000000/* * * Authors: * Lars Fenneberg * Reuben Hawkins * * This software is Copyright 1996,1997 by the above mentioned author(s), * All Rights Reserved. * * The license which is distributed with this software in the file COPYRIGHT * applies to this software. If your distribution is missing this file, you * may request it from . * */ #pragma once void process_netlink_msg(int sock); int netlink_socket(void); radvd-1.9.1/interface.c0000664000175000017500000001603511721640116011655 00000000000000/* * * Authors: * Lars Fenneberg * * This software is Copyright 1996,1997 by the above mentioned author(s), * All Rights Reserved. * * The license which is distributed with this software in the file COPYRIGHT * applies to this software. If your distribution is missing this file, you * may request it from . * */ #include "config.h" #include "includes.h" #include "radvd.h" #include "defaults.h" void iface_init_defaults(struct Interface *iface) { memset(iface, 0, sizeof(struct Interface)); iface->cease_adv = 0; iface->HasFailed = 0; iface->IgnoreIfMissing = DFLT_IgnoreIfMissing; iface->AdvSendAdvert = DFLT_AdvSendAdv; iface->MaxRtrAdvInterval = DFLT_MaxRtrAdvInterval; iface->AdvSourceLLAddress = DFLT_AdvSourceLLAddress; iface->AdvReachableTime = DFLT_AdvReachableTime; iface->AdvRetransTimer = DFLT_AdvRetransTimer; iface->AdvLinkMTU = DFLT_AdvLinkMTU; iface->AdvCurHopLimit = DFLT_AdvCurHopLimit; iface->AdvIntervalOpt = DFLT_AdvIntervalOpt; iface->AdvHomeAgentInfo = DFLT_AdvHomeAgentInfo; iface->AdvHomeAgentFlag = DFLT_AdvHomeAgentFlag; iface->HomeAgentPreference = DFLT_HomeAgentPreference; iface->MinDelayBetweenRAs = DFLT_MinDelayBetweenRAs; iface->AdvMobRtrSupportFlag = DFLT_AdvMobRtrSupportFlag; iface->MinRtrAdvInterval = -1; iface->AdvDefaultLifetime = -1; iface->AdvDefaultPreference = DFLT_AdvDefaultPreference; iface->HomeAgentLifetime = -1; } void prefix_init_defaults(struct AdvPrefix *prefix) { memset(prefix, 0, sizeof(struct AdvPrefix)); prefix->AdvOnLinkFlag = DFLT_AdvOnLinkFlag; prefix->AdvAutonomousFlag = DFLT_AdvAutonomousFlag; prefix->AdvRouterAddr = DFLT_AdvRouterAddr; prefix->AdvValidLifetime = DFLT_AdvValidLifetime; prefix->AdvPreferredLifetime = DFLT_AdvPreferredLifetime; prefix->DeprecatePrefixFlag = DFLT_DeprecatePrefixFlag; prefix->DecrementLifetimesFlag = DFLT_DecrementLifetimesFlag; prefix->if6to4[0] = 0; prefix->enabled = 1; prefix->curr_validlft = prefix->AdvValidLifetime; prefix->curr_preferredlft = prefix->AdvPreferredLifetime; } void route_init_defaults(struct AdvRoute *route, struct Interface *iface) { memset(route, 0, sizeof(struct AdvRoute)); route->AdvRouteLifetime = DFLT_AdvRouteLifetime(iface); route->AdvRoutePreference = DFLT_AdvRoutePreference; route->RemoveRouteFlag = DFLT_RemoveRouteFlag; } void rdnss_init_defaults(struct AdvRDNSS *rdnss, struct Interface *iface) { memset(rdnss, 0, sizeof(struct AdvRDNSS)); rdnss->AdvRDNSSLifetime = DFLT_AdvRDNSSLifetime(iface); rdnss->AdvRDNSSNumber = 0; rdnss->FlushRDNSSFlag = DFLT_FlushRDNSSFlag; } void dnssl_init_defaults(struct AdvDNSSL *dnssl, struct Interface *iface) { memset(dnssl, 0, sizeof(struct AdvDNSSL)); dnssl->AdvDNSSLLifetime = DFLT_AdvDNSSLLifetime(iface); dnssl->FlushDNSSLFlag = DFLT_FlushDNSSLFlag; } int check_iface(struct Interface *iface) { struct AdvPrefix *prefix; struct AdvRoute *route; int res = 0; int MIPv6 = 0; /* Check if we use Mobile IPv6 extensions */ if (iface->AdvHomeAgentFlag || iface->AdvHomeAgentInfo || iface->AdvIntervalOpt) { MIPv6 = 1; flog(LOG_INFO, "using Mobile IPv6 extensions"); } prefix = iface->AdvPrefixList; while (!MIPv6 && prefix) { if (prefix->AdvRouterAddr) { MIPv6 = 1; } prefix = prefix->next; } if (iface->MinRtrAdvInterval < 0) iface->MinRtrAdvInterval = DFLT_MinRtrAdvInterval(iface); if ((iface->MinRtrAdvInterval < (MIPv6 ? MIN_MinRtrAdvInterval_MIPv6 : MIN_MinRtrAdvInterval)) || (iface->MinRtrAdvInterval > MAX_MinRtrAdvInterval(iface))) { flog(LOG_ERR, "MinRtrAdvInterval for %s (%.2f) must be at least %.2f but no more than 3/4 of MaxRtrAdvInterval (%.2f)", iface->Name, iface->MinRtrAdvInterval, MIPv6 ? MIN_MinRtrAdvInterval_MIPv6 : (int)MIN_MinRtrAdvInterval, MAX_MinRtrAdvInterval(iface)); res = -1; } if ((iface->MaxRtrAdvInterval < (MIPv6 ? MIN_MaxRtrAdvInterval_MIPv6 : MIN_MaxRtrAdvInterval)) || (iface->MaxRtrAdvInterval > MAX_MaxRtrAdvInterval)) { flog(LOG_ERR, "MaxRtrAdvInterval for %s (%.2f) must be between %.2f and %d", iface->Name, iface->MaxRtrAdvInterval, MIPv6 ? MIN_MaxRtrAdvInterval_MIPv6 : (int)MIN_MaxRtrAdvInterval, MAX_MaxRtrAdvInterval); res = -1; } if (iface->MinDelayBetweenRAs < (MIPv6 ? MIN_DELAY_BETWEEN_RAS_MIPv6 : MIN_DELAY_BETWEEN_RAS)) { flog(LOG_ERR, "MinDelayBetweenRAs for %s (%.2f) must be at least %.2f", iface->Name, iface->MinDelayBetweenRAs, MIPv6 ? MIN_DELAY_BETWEEN_RAS_MIPv6 : MIN_DELAY_BETWEEN_RAS); res = -1; } if ((iface->AdvLinkMTU != 0) && ((iface->AdvLinkMTU < MIN_AdvLinkMTU) || (iface->if_maxmtu != -1 && (iface->AdvLinkMTU > iface->if_maxmtu)))) { flog(LOG_ERR, "AdvLinkMTU for %s (%u) must be zero or between %u and %u", iface->Name, iface->AdvLinkMTU, MIN_AdvLinkMTU, iface->if_maxmtu); res = -1; } if (iface->AdvReachableTime > MAX_AdvReachableTime) { flog(LOG_ERR, "AdvReachableTime for %s (%u) must not be greater than %u", iface->Name, iface->AdvReachableTime, MAX_AdvReachableTime); res = -1; } if (iface->AdvDefaultLifetime < 0) iface->AdvDefaultLifetime = DFLT_AdvDefaultLifetime(iface); if ((iface->AdvDefaultLifetime != 0) && ((iface->AdvDefaultLifetime > MAX_AdvDefaultLifetime) || (iface->AdvDefaultLifetime < MIN_AdvDefaultLifetime(iface)))) { flog(LOG_ERR, "AdvDefaultLifetime for %s (%u) must be zero or between %u and %u", iface->Name, iface->AdvDefaultLifetime, (int)MIN_AdvDefaultLifetime(iface), MAX_AdvDefaultLifetime); res = -1; } /* Mobile IPv6 ext */ if (iface->HomeAgentLifetime < 0) iface->HomeAgentLifetime = DFLT_HomeAgentLifetime(iface); /* Mobile IPv6 ext */ if (iface->AdvHomeAgentInfo) { if ((iface->HomeAgentLifetime > MAX_HomeAgentLifetime) || (iface->HomeAgentLifetime < MIN_HomeAgentLifetime)) { flog(LOG_ERR, "HomeAgentLifetime for %s (%u) must be between %u and %u", iface->Name, iface->HomeAgentLifetime, MIN_HomeAgentLifetime, MAX_HomeAgentLifetime); res = -1; } } /* Mobile IPv6 ext */ if (iface->AdvHomeAgentInfo && !(iface->AdvHomeAgentFlag)) { flog(LOG_ERR, "AdvHomeAgentFlag for %s must be set with HomeAgentInfo", iface->Name); res = -1; } if (iface->AdvMobRtrSupportFlag && !(iface->AdvHomeAgentInfo)) { flog(LOG_ERR, "AdvHomeAgentInfo for %s must be set with AdvMobRtrSupportFlag", iface->Name); res = -1; } /* XXX: need this? prefix = iface->AdvPrefixList; */ while (prefix) { if (prefix->PrefixLen > MAX_PrefixLen) { flog(LOG_ERR, "invalid prefix length (%u) for %s", prefix->PrefixLen, iface->Name); res = -1; } if (prefix->AdvPreferredLifetime > prefix->AdvValidLifetime) { flog(LOG_ERR, "AdvValidLifetime for %s (%u) must be " "greater than AdvPreferredLifetime for", iface->Name, prefix->AdvValidLifetime); res = -1; } prefix = prefix->next; } route = iface->AdvRouteList; while(route) { if (route->PrefixLen > MAX_PrefixLen) { flog(LOG_ERR, "invalid route prefix length (%u) for %s", route->PrefixLen, iface->Name); res = -1; } route = route->next; } return res; } radvd-1.9.1/device-linux.c0000664000175000017500000001505611721640116012313 00000000000000/* * * Authors: * Lars Fenneberg * * This software is Copyright 1996,1997 by the above mentioned author(s), * All Rights Reserved. * * The license which is distributed with this software in the file COPYRIGHT * applies to this software. If your distribution is missing this file, you * may request it from . * */ #include "config.h" #include "includes.h" #include "radvd.h" #include "defaults.h" #include "pathnames.h" /* for PATH_PROC_NET_IF_INET6 */ #ifndef IPV6_ADDR_LINKLOCAL #define IPV6_ADDR_LINKLOCAL 0x0020U #endif /* * this function gets the hardware type and address of an interface, * determines the link layer token length and checks it against * the defined prefixes */ int setup_deviceinfo(struct Interface *iface) { struct ifreq ifr; struct AdvPrefix *prefix; char zero[sizeof(iface->if_addr)]; strncpy(ifr.ifr_name, iface->Name, IFNAMSIZ-1); ifr.ifr_name[IFNAMSIZ-1] = '\0'; if (ioctl(sock, SIOCGIFMTU, &ifr) < 0) { flog(LOG_ERR, "ioctl(SIOCGIFMTU) failed for %s: %s", iface->Name, strerror(errno)); return (-1); } dlog(LOG_DEBUG, 3, "mtu for %s is %d", iface->Name, ifr.ifr_mtu); iface->if_maxmtu = ifr.ifr_mtu; if (ioctl(sock, SIOCGIFHWADDR, &ifr) < 0) { flog(LOG_ERR, "ioctl(SIOCGIFHWADDR) failed for %s: %s", iface->Name, strerror(errno)); return (-1); } dlog(LOG_DEBUG, 3, "hardware type for %s is %d", iface->Name, ifr.ifr_hwaddr.sa_family); switch(ifr.ifr_hwaddr.sa_family) { case ARPHRD_ETHER: iface->if_hwaddr_len = 48; iface->if_prefix_len = 64; break; #ifdef ARPHRD_FDDI case ARPHRD_FDDI: iface->if_hwaddr_len = 48; iface->if_prefix_len = 64; break; #endif /* ARPHDR_FDDI */ #ifdef ARPHRD_ARCNET case ARPHRD_ARCNET: iface->if_hwaddr_len = 8; iface->if_prefix_len = -1; iface->if_maxmtu = -1; break; #endif /* ARPHDR_ARCNET */ default: iface->if_hwaddr_len = -1; iface->if_prefix_len = -1; iface->if_maxmtu = -1; break; } dlog(LOG_DEBUG, 3, "link layer token length for %s is %d", iface->Name, iface->if_hwaddr_len); dlog(LOG_DEBUG, 3, "prefix length for %s is %d", iface->Name, iface->if_prefix_len); if (iface->if_hwaddr_len != -1) { unsigned int if_hwaddr_len_bytes = (iface->if_hwaddr_len + 7) >> 3; if (if_hwaddr_len_bytes > sizeof(iface->if_hwaddr)) { flog(LOG_ERR, "address length %d too big for %s", if_hwaddr_len_bytes, iface->Name); return(-2); } memcpy(iface->if_hwaddr, ifr.ifr_hwaddr.sa_data, if_hwaddr_len_bytes); memset(zero, 0, sizeof(zero)); if (!memcmp(iface->if_hwaddr, zero, if_hwaddr_len_bytes)) flog(LOG_WARNING, "WARNING, MAC address on %s is all zero!", iface->Name); } prefix = iface->AdvPrefixList; while (prefix) { if ((iface->if_prefix_len != -1) && (iface->if_prefix_len != prefix->PrefixLen)) { flog(LOG_WARNING, "prefix length should be %d for %s", iface->if_prefix_len, iface->Name); } prefix = prefix->next; } return (0); } /* * this function extracts the link local address and interface index * from PATH_PROC_NET_IF_INET6. Note: 'sock' unused in Linux. */ int setup_linklocal_addr(struct Interface *iface) { FILE *fp; char str_addr[40]; unsigned int plen, scope, dad_status, if_idx; char devname[IFNAMSIZ]; if ((fp = fopen(PATH_PROC_NET_IF_INET6, "r")) == NULL) { flog(LOG_ERR, "can't open %s: %s", PATH_PROC_NET_IF_INET6, strerror(errno)); return (-1); } while (fscanf(fp, "%32s %x %02x %02x %02x %15s\n", str_addr, &if_idx, &plen, &scope, &dad_status, devname) != EOF) { if (scope == IPV6_ADDR_LINKLOCAL && strcmp(devname, iface->Name) == 0) { struct in6_addr addr; unsigned int ap; int i; for (i=0; i<16; i++) { sscanf(str_addr + i * 2, "%02x", &ap); addr.s6_addr[i] = (unsigned char)ap; } memcpy(&iface->if_addr, &addr, sizeof(iface->if_addr)); iface->if_index = if_idx; fclose(fp); return 0; } } flog(LOG_ERR, "no linklocal address configured for %s", iface->Name); fclose(fp); return (-1); } int setup_allrouters_membership(struct Interface *iface) { struct ipv6_mreq mreq; memset(&mreq, 0, sizeof(mreq)); mreq.ipv6mr_interface = iface->if_index; /* ipv6-allrouters: ff02::2 */ mreq.ipv6mr_multiaddr.s6_addr32[0] = htonl(0xFF020000); mreq.ipv6mr_multiaddr.s6_addr32[3] = htonl(0x2); if (setsockopt(sock, SOL_IPV6, IPV6_ADD_MEMBERSHIP, &mreq, sizeof(mreq)) < 0) { /* linux-2.6.12-bk4 returns error with HUP signal but keep listening */ if (errno != EADDRINUSE) { flog(LOG_ERR, "can't join ipv6-allrouters on %s", iface->Name); return (-1); } } return (0); } int check_allrouters_membership(struct Interface *iface) { #define ALL_ROUTERS_MCAST "ff020000000000000000000000000002" FILE *fp; unsigned int if_idx, allrouters_ok=0; char addr[32+1]; char buffer[301] = {""}, *str; int ret=0; if ((fp = fopen(PATH_PROC_NET_IGMP6, "r")) == NULL) { flog(LOG_ERR, "can't open %s: %s", PATH_PROC_NET_IGMP6, strerror(errno)); return (-1); } str = fgets(buffer, 300, fp); while (str && (ret = sscanf(str, "%u %*s %32[0-9A-Fa-f]", &if_idx, addr)) ) { if (ret == 2) { if (iface->if_index == if_idx) { if (strncmp(addr, ALL_ROUTERS_MCAST, sizeof(addr)) == 0){ allrouters_ok = 1; break; } } } str = fgets(buffer, 300, fp); } fclose(fp); if (!allrouters_ok) { flog(LOG_WARNING, "resetting ipv6-allrouters membership on %s", iface->Name); return setup_allrouters_membership(iface); } return(0); } /* note: also called from the root context */ int set_interface_var(const char *iface, const char *var, const char *name, uint32_t val) { FILE *fp; char spath[64+IFNAMSIZ]; /* XXX: magic constant */ if (snprintf(spath, sizeof(spath), var, iface) >= sizeof(spath)) return -1; /* No path traversal */ if (!iface[0] || !strcmp(iface, ".") || !strcmp(iface, "..") || strchr(iface, '/')) return -1; if (access(spath, F_OK) != 0) return -1; fp = fopen(spath, "w"); if (!fp) { if (name) flog(LOG_ERR, "failed to set %s (%u) for %s: %s", name, val, iface, strerror(errno)); return -1; } fprintf(fp, "%u", val); fclose(fp); return 0; } int set_interface_linkmtu(const char *iface, uint32_t mtu) { return privsep_interface_linkmtu(iface, mtu); } int set_interface_curhlim(const char *iface, uint8_t hlim) { return privsep_interface_curhlim(iface, hlim); } int set_interface_reachtime(const char *iface, uint32_t rtime) { return privsep_interface_reachtime(iface, rtime); } int set_interface_retranstimer(const char *iface, uint32_t rettimer) { return privsep_interface_retranstimer(iface, rettimer); } radvd-1.9.1/INTRO.html0000664000175000017500000001047511703566403011342 00000000000000 RADVD Introduction

RADVD Introduction

by Lars Fenneberg et al. Updated 2002-01-12.

IPv6 has a lot more support for autoconfiguration than IPv4. But for this autoconfiguration to work on the hosts of a network, the routers of the local network have to run a program which answers the autoconfiguration requests of the hosts.

On Linux this program is called radvd, which stands for Router ADVertisement Daemon. This daemon listens to Router Solicitations (RS) and answers with Router Advertisement (RA). Furthermore unsolicited RAs are also send from time to time. RFC 4861 defines most functions of radvd.

Router Advertisements contain information, which is used by hosts to configure their interfaces. This information includes address prefixes, the MTU of the link and information about default routers.

Of course the routers can't autoconfigure themselves, so the information on the routers has to be provided by the administrator of the system. This is done by manually configuring the interfaces and routes and by configuring the router advertisement daemon.

A small and simple configuration file for radvd might look like this: 


interface eth0
{
        AdvSendAdvert on;
        prefix 2001:db8:0:1::/64
        {
                AdvOnLink on;
                AdvAutonomous on;
        };
};

It says that radvd should advertise (AdvSendAdvert on) the prefix 2001:db8:0:1:: which has a lenght of 64 on the interface eth0. Also the prefix is marked as autonomous (AdvAutonomous on) and as on-link (AdvOnLink on). The both currently default to enabled but are included here for introductory purposes; it isn't necessary to define them. All the other options are left on their default values.

Autonomous means that the prefix can be used for automatic address configuration and on-link means that the hosts can assume that all the hosts which use this prefix are reachable via the interface on which the host received this RA.

The prefix must be 64 bits long (apart from very few exceptions), as dictated by RFC 2464 and other standards for different link-layer technologies. For more details, see RFC 4862 (IPv6 Stateless Address Autoconfiguration) and RFC 2464 (Transmission of IPv6 Packets over Ethernet Networks). For more information on configuring radvd please look at the manual pages which are included in the radvd distribution.

So, when an interface on a hosts is UPed and a RA is received, the host can configure an address on the interface by using the prefix and appending the EUI-64 identifier derived from the hardware address (also called link-layer token). The EUI-64 identifier is simply appended after the prefix. For example: 


   Announced prefix:    2001:db8:0:1::

   MAC address:         00:07:E9:7B:02:59

   EUI-64 identifier:   0207:e9ff:fe7b:259

   Configured address:  2001:db8:0:1:207:e9ff:fe7b:259

The host can also choose a default router by examining the RA. the rest works automatically.

So now we've configured radvd, but we still need to configure the interfaces and set the routes (on the router). There's a lot of good material on setting up IPv6, and the reader is encouraged to have a look at it; for example:

Copyright © 1997 Lars Fenneberg

radvd-1.9.1/Makefile.am0000664000175000017500000000436511763430055011615 00000000000000# # # Authors: # Lars Fenneberg # # This software is Copyright 1996,1997 by the above mentioned author(s), # All Rights Reserved. # # The license which is distributed with this software in the file COPYRIGHT # applies to this software. If your distribution is missing this file, you # may request it from . # AUTOMAKE_OPTIONS = 1.2 foreign DEFS = \ -DINET6=1 \ -DLOG_FACILITY=$(LOG_FACILITY) \ -DPATH_RADVD_CONF=\"$(PATH_RADVD_CONF)\" \ -DPATH_RADVD_LOG=\"$(PATH_RADVD_LOG)\" \ -DPATH_RADVD_PID=\"$(PATH_RADVD_PID)\" \ -DVERSION=\"$(VERSION)\" INCLUDES = \ -I$(srcdir) \ -I. COMMON_SRC = \ defaults.h \ includes.h \ log.c \ log.h \ pathnames.h \ radvd.h \ recv.c \ socket.c \ util.c sbin_PROGRAMS = \ radvd \ radvdump radvd_SOURCES = \ $(COMMON_SRC) \ device-common.c \ gram.h \ gram.y \ interface.c \ process.c \ radvd.c \ scanner.l \ send.c \ timer.c EXTRA_radvd_SOURCES = \ device-bsd44.c \ device-linux.c \ netlink.c \ netlink.h \ privsep-linux.c radvd_CPPFLAGS = \ @DAEMON_CFLAGS@ radvd_LDADD = \ @CONDITIONAL_SOURCES@ \ @DAEMON_LIBS@ radvd_DEPENDENCIES = \ @CONDITIONAL_SOURCES@ AM_YFLAGS = -d AM_CFLAGS = \ -Wall \ -Wcast-align \ -Wcast-qual \ -Wpointer-arith \ -Wmissing-declarations \ -Wmissing-prototypes \ -Wno-strict-aliasing \ -Wstrict-prototypes radvdump_SOURCES = \ $(COMMON_SRC) \ radvdump.c man_MANS = \ radvd.8 \ radvd.conf.5 \ radvdump.8 EXTRA_DIST = \ CHANGES \ COPYRIGHT \ INTRO.html \ VERSION \ copyright.blurb \ radvd.8.man \ radvd.conf.5.man \ radvd.conf.example \ radvdump.8.man \ redhat/radvd.conf.empty \ redhat/radvd.init \ redhat/radvd.spec \ redhat/radvd.sysconfig \ redhat/radvd-tmpfs.conf CLEANFILES = \ gram.c \ gram.h \ radvd.8 \ radvd.conf.5 \ radvdump.8 \ scanner.c SUFFIXES = .man .man: $(AM_V_GEN)$(SED) \ -e 's,@''VERSION''@,$(VERSION),g' \ -e 's,@''sbindir''@,$(sbindir),g' \ -e 's,@''PATH_RADVD_CONF''@,$(PATH_RADVD_CONF),g' \ -e 's,@''PATH_RADVD_PID''@,$(PATH_RADVD_PID),g' \ -e 's,@''PATH_RADVD_LOG''@,$(PATH_RADVD_LOG),g' \ -e 's,@''LOG_FACILITY''@,$(LOG_FACILITY),g' \ $< > $@ dist-hook: rm -f $(distdir)/gram.c rm -f $(distdir)/gram.h rm -f $(distdir)/scanner.c scanner.o: gram.h radvd-1.9.1/copyright.blurb0000664000175000017500000000057611721640116012614 00000000000000/* * * Authors: * Lars Fenneberg * * This software is Copyright 1996,1997 by the above mentioned author(s), * All Rights Reserved. * * The license which is distributed with this software in the file COPYRIGHT * applies to this software. If your distribution is missing this file, you * may request it from . * */ radvd-1.9.1/depcomp0000755000175000017500000004426711770076146011146 00000000000000#! /bin/sh # depcomp - compile a program generating dependencies as side-effects scriptversion=2009-04-28.21; # UTC # Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007, 2009 Free # Software Foundation, Inc. # This program 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, 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. # Originally written by Alexandre Oliva . case $1 in '') echo "$0: No command. Try \`$0 --help' for more information." 1>&2 exit 1; ;; -h | --h*) cat <<\EOF Usage: depcomp [--help] [--version] PROGRAM [ARGS] Run PROGRAMS ARGS to compile a file, generating dependencies as side-effects. Environment variables: depmode Dependency tracking mode. source Source file read by `PROGRAMS ARGS'. object Object file output by `PROGRAMS ARGS'. DEPDIR directory where to store dependencies. depfile Dependency file to output. tmpdepfile Temporary file to use when outputing dependencies. libtool Whether libtool is used (yes/no). Report bugs to . EOF exit $? ;; -v | --v*) echo "depcomp $scriptversion" exit $? ;; esac if test -z "$depmode" || test -z "$source" || test -z "$object"; then echo "depcomp: Variables source, object and depmode must be set" 1>&2 exit 1 fi # Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po. depfile=${depfile-`echo "$object" | sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`} tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} rm -f "$tmpdepfile" # Some modes work just like other modes, but use different flags. We # parameterize here, but still list the modes in the big case below, # to make depend.m4 easier to write. Note that we *cannot* use a case # here, because this file can only contain one case statement. if test "$depmode" = hp; then # HP compiler uses -M and no extra arg. gccflag=-M depmode=gcc fi if test "$depmode" = dashXmstdout; then # This is just like dashmstdout with a different argument. dashmflag=-xM depmode=dashmstdout fi cygpath_u="cygpath -u -f -" if test "$depmode" = msvcmsys; then # This is just like msvisualcpp but w/o cygpath translation. # Just convert the backslash-escaped backslashes to single forward # slashes to satisfy depend.m4 cygpath_u="sed s,\\\\\\\\,/,g" depmode=msvisualcpp fi case "$depmode" in gcc3) ## gcc 3 implements dependency tracking that does exactly what ## we want. Yay! Note: for some reason libtool 1.4 doesn't like ## it if -MD -MP comes after the -MF stuff. Hmm. ## Unfortunately, FreeBSD c89 acceptance of flags depends upon ## the command line argument order; so add the flags where they ## appear in depend2.am. Note that the slowdown incurred here ## affects only configure: in makefiles, %FASTDEP% shortcuts this. for arg do case $arg in -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;; *) set fnord "$@" "$arg" ;; esac shift # fnord shift # $arg done "$@" stat=$? if test $stat -eq 0; then : else rm -f "$tmpdepfile" exit $stat fi mv "$tmpdepfile" "$depfile" ;; gcc) ## There are various ways to get dependency output from gcc. Here's ## why we pick this rather obscure method: ## - Don't want to use -MD because we'd like the dependencies to end ## up in a subdir. Having to rename by hand is ugly. ## (We might end up doing this anyway to support other compilers.) ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like ## -MM, not -M (despite what the docs say). ## - Using -M directly means running the compiler twice (even worse ## than renaming). if test -z "$gccflag"; then gccflag=-MD, fi "$@" -Wp,"$gccflag$tmpdepfile" stat=$? if test $stat -eq 0; then : else rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" echo "$object : \\" > "$depfile" alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz ## The second -e expression handles DOS-style file names with drive letters. sed -e 's/^[^:]*: / /' \ -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" ## This next piece of magic avoids the `deleted header file' problem. ## The problem is that when a header file which appears in a .P file ## is deleted, the dependency causes make to die (because there is ## typically no way to rebuild the header). We avoid this by adding ## dummy dependencies for each header file. Too bad gcc doesn't do ## this for us directly. tr ' ' ' ' < "$tmpdepfile" | ## Some versions of gcc put a space before the `:'. On the theory ## that the space means something, we add a space to the output as ## well. ## Some versions of the HPUX 10.20 sed can't process this invocation ## correctly. Breaking it into two sed invocations is a workaround. sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; hp) # This case exists only to let depend.m4 do its work. It works by # looking at the text of this script. This case will never be run, # since it is checked for above. exit 1 ;; sgi) if test "$libtool" = yes; then "$@" "-Wp,-MDupdate,$tmpdepfile" else "$@" -MDupdate "$tmpdepfile" fi stat=$? if test $stat -eq 0; then : else rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files echo "$object : \\" > "$depfile" # Clip off the initial element (the dependent). Don't try to be # clever and replace this with sed code, as IRIX sed won't handle # lines with more than a fixed number of characters (4096 in # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; # the IRIX cc adds comments like `#:fec' to the end of the # dependency line. tr ' ' ' ' < "$tmpdepfile" \ | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \ tr ' ' ' ' >> "$depfile" echo >> "$depfile" # The second pass generates a dummy entry for each header file. tr ' ' ' ' < "$tmpdepfile" \ | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ >> "$depfile" else # The sourcefile does not contain any dependencies, so just # store a dummy comment line, to avoid errors with the Makefile # "include basename.Plo" scheme. echo "#dummy" > "$depfile" fi rm -f "$tmpdepfile" ;; aix) # The C for AIX Compiler uses -M and outputs the dependencies # in a .u file. In older versions, this file always lives in the # current directory. Also, the AIX compiler puts `$object:' at the # start of each line; $object doesn't have directory information. # Version 6 uses the directory in both cases. dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` test "x$dir" = "x$object" && dir= base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` if test "$libtool" = yes; then tmpdepfile1=$dir$base.u tmpdepfile2=$base.u tmpdepfile3=$dir.libs/$base.u "$@" -Wc,-M else tmpdepfile1=$dir$base.u tmpdepfile2=$dir$base.u tmpdepfile3=$dir$base.u "$@" -M fi stat=$? if test $stat -eq 0; then : else rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" exit $stat fi for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" do test -f "$tmpdepfile" && break done if test -f "$tmpdepfile"; then # Each line is of the form `foo.o: dependent.h'. # Do two passes, one to just change these to # `$object: dependent.h' and one to simply `dependent.h:'. sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" # That's a tab and a space in the []. sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" else # The sourcefile does not contain any dependencies, so just # store a dummy comment line, to avoid errors with the Makefile # "include basename.Plo" scheme. echo "#dummy" > "$depfile" fi rm -f "$tmpdepfile" ;; icc) # Intel's C compiler understands `-MD -MF file'. However on # icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c # ICC 7.0 will fill foo.d with something like # foo.o: sub/foo.c # foo.o: sub/foo.h # which is wrong. We want: # sub/foo.o: sub/foo.c # sub/foo.o: sub/foo.h # sub/foo.c: # sub/foo.h: # ICC 7.1 will output # foo.o: sub/foo.c sub/foo.h # and will wrap long lines using \ : # foo.o: sub/foo.c ... \ # sub/foo.h ... \ # ... "$@" -MD -MF "$tmpdepfile" stat=$? if test $stat -eq 0; then : else rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" # Each line is of the form `foo.o: dependent.h', # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. # Do two passes, one to just change these to # `$object: dependent.h' and one to simply `dependent.h:'. sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" # Some versions of the HPUX 10.20 sed can't process this invocation # correctly. Breaking it into two sed invocations is a workaround. sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; hp2) # The "hp" stanza above does not work with aCC (C++) and HP's ia64 # compilers, which have integrated preprocessors. The correct option # to use with these is +Maked; it writes dependencies to a file named # 'foo.d', which lands next to the object file, wherever that # happens to be. # Much of this is similar to the tru64 case; see comments there. dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` test "x$dir" = "x$object" && dir= base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` if test "$libtool" = yes; then tmpdepfile1=$dir$base.d tmpdepfile2=$dir.libs/$base.d "$@" -Wc,+Maked else tmpdepfile1=$dir$base.d tmpdepfile2=$dir$base.d "$@" +Maked fi stat=$? if test $stat -eq 0; then : else rm -f "$tmpdepfile1" "$tmpdepfile2" exit $stat fi for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" do test -f "$tmpdepfile" && break done if test -f "$tmpdepfile"; then sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile" # Add `dependent.h:' lines. sed -ne '2,${ s/^ *// s/ \\*$// s/$/:/ p }' "$tmpdepfile" >> "$depfile" else echo "#dummy" > "$depfile" fi rm -f "$tmpdepfile" "$tmpdepfile2" ;; tru64) # The Tru64 compiler uses -MD to generate dependencies as a side # effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'. # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put # dependencies in `foo.d' instead, so we check for that too. # Subdirectories are respected. dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` test "x$dir" = "x$object" && dir= base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` if test "$libtool" = yes; then # With Tru64 cc, shared objects can also be used to make a # static library. This mechanism is used in libtool 1.4 series to # handle both shared and static libraries in a single compilation. # With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d. # # With libtool 1.5 this exception was removed, and libtool now # generates 2 separate objects for the 2 libraries. These two # compilations output dependencies in $dir.libs/$base.o.d and # in $dir$base.o.d. We have to check for both files, because # one of the two compilations can be disabled. We should prefer # $dir$base.o.d over $dir.libs/$base.o.d because the latter is # automatically cleaned when .libs/ is deleted, while ignoring # the former would cause a distcleancheck panic. tmpdepfile1=$dir.libs/$base.lo.d # libtool 1.4 tmpdepfile2=$dir$base.o.d # libtool 1.5 tmpdepfile3=$dir.libs/$base.o.d # libtool 1.5 tmpdepfile4=$dir.libs/$base.d # Compaq CCC V6.2-504 "$@" -Wc,-MD else tmpdepfile1=$dir$base.o.d tmpdepfile2=$dir$base.d tmpdepfile3=$dir$base.d tmpdepfile4=$dir$base.d "$@" -MD fi stat=$? if test $stat -eq 0; then : else rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4" exit $stat fi for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4" do test -f "$tmpdepfile" && break done if test -f "$tmpdepfile"; then sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" # That's a tab and a space in the []. sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" else echo "#dummy" > "$depfile" fi rm -f "$tmpdepfile" ;; #nosideeffect) # This comment above is used by automake to tell side-effect # dependency tracking mechanisms from slower ones. dashmstdout) # Important note: in order to support this mode, a compiler *must* # always write the preprocessed file to stdout, regardless of -o. "$@" || exit $? # Remove the call to Libtool. if test "$libtool" = yes; then while test "X$1" != 'X--mode=compile'; do shift done shift fi # Remove `-o $object'. IFS=" " for arg do case $arg in -o) shift ;; $object) shift ;; *) set fnord "$@" "$arg" shift # fnord shift # $arg ;; esac done test -z "$dashmflag" && dashmflag=-M # Require at least two characters before searching for `:' # in the target name. This is to cope with DOS-style filenames: # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise. "$@" $dashmflag | sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile" rm -f "$depfile" cat < "$tmpdepfile" > "$depfile" tr ' ' ' ' < "$tmpdepfile" | \ ## Some versions of the HPUX 10.20 sed can't process this invocation ## correctly. Breaking it into two sed invocations is a workaround. sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; dashXmstdout) # This case only exists to satisfy depend.m4. It is never actually # run, as this mode is specially recognized in the preamble. exit 1 ;; makedepend) "$@" || exit $? # Remove any Libtool call if test "$libtool" = yes; then while test "X$1" != 'X--mode=compile'; do shift done shift fi # X makedepend shift cleared=no eat=no for arg do case $cleared in no) set ""; shift cleared=yes ;; esac if test $eat = yes; then eat=no continue fi case "$arg" in -D*|-I*) set fnord "$@" "$arg"; shift ;; # Strip any option that makedepend may not understand. Remove # the object too, otherwise makedepend will parse it as a source file. -arch) eat=yes ;; -*|$object) ;; *) set fnord "$@" "$arg"; shift ;; esac done obj_suffix=`echo "$object" | sed 's/^.*\././'` touch "$tmpdepfile" ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@" rm -f "$depfile" cat < "$tmpdepfile" > "$depfile" sed '1,2d' "$tmpdepfile" | tr ' ' ' ' | \ ## Some versions of the HPUX 10.20 sed can't process this invocation ## correctly. Breaking it into two sed invocations is a workaround. sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" "$tmpdepfile".bak ;; cpp) # Important note: in order to support this mode, a compiler *must* # always write the preprocessed file to stdout. "$@" || exit $? # Remove the call to Libtool. if test "$libtool" = yes; then while test "X$1" != 'X--mode=compile'; do shift done shift fi # Remove `-o $object'. IFS=" " for arg do case $arg in -o) shift ;; $object) shift ;; *) set fnord "$@" "$arg" shift # fnord shift # $arg ;; esac done "$@" -E | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' | sed '$ s: \\$::' > "$tmpdepfile" rm -f "$depfile" echo "$object : \\" > "$depfile" cat < "$tmpdepfile" >> "$depfile" sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; msvisualcpp) # Important note: in order to support this mode, a compiler *must* # always write the preprocessed file to stdout. "$@" || exit $? # Remove the call to Libtool. if test "$libtool" = yes; then while test "X$1" != 'X--mode=compile'; do shift done shift fi IFS=" " for arg do case "$arg" in -o) shift ;; $object) shift ;; "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") set fnord "$@" shift shift ;; *) set fnord "$@" "$arg" shift shift ;; esac done "$@" -E 2>/dev/null | sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile" rm -f "$depfile" echo "$object : \\" > "$depfile" sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile" echo " " >> "$depfile" sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile" rm -f "$tmpdepfile" ;; msvcmsys) # This case exists only to let depend.m4 do its work. It works by # looking at the text of this script. This case will never be run, # since it is checked for above. exit 1 ;; none) exec "$@" ;; *) echo "Unknown depmode $depmode" 1>&2 exit 1 ;; esac exit 0 # Local Variables: # mode: shell-script # sh-indentation: 2 # 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: radvd-1.9.1/VERSION0000664000175000017500000000010011770076052010611 00000000000000# # # this file is automatically processed by configure # 1.9.1 radvd-1.9.1/netlink.c0000664000175000017500000000473311763430055011370 00000000000000/* * * Authors: * Lars Fenneberg * Reuben Hawkins * * This software is Copyright 1996,1997 by the above mentioned author(s), * All Rights Reserved. * * The license which is distributed with this software in the file COPYRIGHT * applies to this software. If your distribution is missing this file, you * may request it from . * */ #include "config.h" #include "radvd.h" #include "log.h" #include "netlink.h" #include #include #include #include #include #include #include #include #include #ifndef SOL_NETLINK #define SOL_NETLINK 270 #endif void process_netlink_msg(int sock) { int len; char buf[4096]; struct iovec iov = { buf, sizeof(buf) }; struct sockaddr_nl sa; struct msghdr msg = { (void *)&sa, sizeof(sa), &iov, 1, NULL, 0, 0 }; struct nlmsghdr *nh; struct ifinfomsg * ifinfo; char ifname[IF_NAMESIZE] = {""}; len = recvmsg (sock, &msg, 0); if (len == -1) { flog(LOG_ERR, "recvmsg failed: %s", strerror(errno)); } for (nh = (struct nlmsghdr *) buf; NLMSG_OK (nh, len); nh = NLMSG_NEXT (nh, len)) { /* The end of multipart message. */ if (nh->nlmsg_type == NLMSG_DONE) return; if (nh->nlmsg_type == NLMSG_ERROR) { flog(LOG_ERR, "%s:%d Some type of netlink error.\n", __FILE__, __LINE__); abort(); } /* Continue with parsing payload. */ ifinfo = NLMSG_DATA(nh); if_indextoname(ifinfo->ifi_index, ifname); if (ifinfo->ifi_flags & IFF_RUNNING) { dlog(LOG_DEBUG, 3, "%s, ifindex %d, flags is running", ifname, ifinfo->ifi_index); } else { dlog(LOG_DEBUG, 3, "%s, ifindex %d, flags is *NOT* running", ifname, ifinfo->ifi_index); } reload_config(); } } int netlink_socket(void) { int rc, sock; unsigned int val = 1; struct sockaddr_nl snl; sock = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE); if (sock == -1) { flog(LOG_ERR, "Unable to open netlink socket: %s", strerror(errno)); } else if (setsockopt(sock, SOL_NETLINK, NETLINK_NO_ENOBUFS, &val, sizeof(val)) < 0 ) { flog(LOG_ERR, "Unable to setsockopt NETLINK_NO_ENOBUFS: %s", strerror(errno)); } memset(&snl, 0, sizeof(snl)); snl.nl_family = AF_NETLINK; snl.nl_groups = RTMGRP_LINK; rc = bind(sock, (struct sockaddr*)&snl, sizeof(snl)); if (rc == -1) { flog(LOG_ERR, "Unable to bind netlink socket: %s", strerror(errno)); close(sock); sock = -1; } return sock; } radvd-1.9.1/radvd.c0000664000175000017500000004324311763430055011023 00000000000000/* * * Authors: * Pedro Roque * Lars Fenneberg * * This software is Copyright 1996-2000 by the above mentioned author(s), * All Rights Reserved. * * The license which is distributed with this software in the file COPYRIGHT * applies to this software. If your distribution is missing this file, you * may request it from . * */ #include "config.h" #include "includes.h" #include "radvd.h" #include "pathnames.h" #ifdef HAVE_NETLINK #include "netlink.h" #endif #include #include #include struct Interface *IfaceList = NULL; #ifdef HAVE_GETOPT_LONG char usage_str[] = { "\n" " -c, --configtest Parse the config file and exit.\n" " -C, --config=PATH Sets the config file. Default is /etc/radvd.conf.\n" " -d, --debug=NUM Sets the debug level. Values can be 1, 2, 3, 4 or 5.\n" " -f, --facility=NUM Sets the logging facility.\n" " -h, --help Show this help screen.\n" " -l, --logfile=PATH Sets the log file.\n" " -m, --logmethod=X Sets the log method to one of: syslog, stderr, stderr_syslog, logfile, or none.\n" " -p, --pidfile=PATH Sets the pid file.\n" " -t, --chrootdir=PATH Chroot to the specified path.\n" " -u, --username=USER Switch to the specified user.\n" " -n, --nodaemon Prevent the daemonizing.\n" " -v, --version Print the version and quit.\n" }; struct option prog_opt[] = { {"debug", 1, 0, 'd'}, {"configtest", 0, 0, 'c'}, {"config", 1, 0, 'C'}, {"pidfile", 1, 0, 'p'}, {"logfile", 1, 0, 'l'}, {"logmethod", 1, 0, 'm'}, {"facility", 1, 0, 'f'}, {"username", 1, 0, 'u'}, {"chrootdir", 1, 0, 't'}, {"version", 0, 0, 'v'}, {"help", 0, 0, 'h'}, {"singleprocess", 0, 0, 's'}, {"nodaemon", 0, 0, 'n'}, {NULL, 0, 0, 0} }; #else char usage_str[] = "[-hsvcn] [-d level] [-C config_file] [-m log_method] [-l log_file]\n" "\t[-f facility] [-p pid_file] [-u username] [-t chrootdir]"; #endif extern FILE *yyin; char *conf_file = NULL; char *pidfile = NULL; char *pname; int sock = -1; volatile int sighup_received = 0; volatile int sigterm_received = 0; volatile int sigint_received = 0; volatile int sigusr1_received = 0; void sighup_handler(int sig); void sigterm_handler(int sig); void sigint_handler(int sig); void sigusr1_handler(int sig); void timer_handler(void *data); void config_interface(void); void kickoff_adverts(void); void stop_adverts(void); void version(void); void usage(void); int drop_root_privileges(const char *); int readin_config(char *); int check_conffile_perm(const char *, const char *); const char *get_pidfile(void); void main_loop(void); int main(int argc, char *argv[]) { int c, log_method; char *logfile; int facility; char *username = NULL; char *chrootdir = NULL; int configtest = 0; int daemonize = 1; #ifdef HAVE_GETOPT_LONG int opt_idx; #endif pid_t pid; pname = ((pname=strrchr(argv[0],'/')) != NULL)?pname+1:argv[0]; srand((unsigned int)time(NULL)); log_method = L_STDERR_SYSLOG; logfile = PATH_RADVD_LOG; conf_file = PATH_RADVD_CONF; facility = LOG_FACILITY; pidfile = PATH_RADVD_PID; /* parse args */ #define OPTIONS_STR "d:C:l:m:p:t:u:vhcsn" #ifdef HAVE_GETOPT_LONG while ((c = getopt_long(argc, argv, OPTIONS_STR, prog_opt, &opt_idx)) > 0) #else while ((c = getopt(argc, argv, OPTIONS_STR)) > 0) #endif { switch (c) { case 'C': conf_file = optarg; break; case 'd': set_debuglevel(atoi(optarg)); break; case 'f': facility = atoi(optarg); break; case 'l': logfile = optarg; break; case 'p': pidfile = optarg; break; case 'm': if (!strcmp(optarg, "syslog")) { log_method = L_SYSLOG; } else if (!strcmp(optarg, "stderr_syslog")) { log_method = L_STDERR_SYSLOG; } else if (!strcmp(optarg, "stderr")) { log_method = L_STDERR; } else if (!strcmp(optarg, "logfile")) { log_method = L_LOGFILE; } else if (!strcmp(optarg, "none")) { log_method = L_NONE; } else { fprintf(stderr, "%s: unknown log method: %s\n", pname, optarg); exit(1); } break; case 't': chrootdir = strdup(optarg); break; case 'u': username = strdup(optarg); break; case 'v': version(); break; case 'c': configtest = 1; break; case 's': fprintf(stderr, "privsep is not optional. This options will be removed in a near future release."); break; case 'n': daemonize = 0; break; case 'h': usage(); #ifdef HAVE_GETOPT_LONG case ':': fprintf(stderr, "%s: option %s: parameter expected\n", pname, prog_opt[opt_idx].name); exit(1); #endif case '?': exit(1); } } if (chrootdir) { if (!username) { fprintf(stderr, "Chroot as root is not safe, exiting\n"); exit(1); } if (chroot(chrootdir) == -1) { perror("chroot"); exit (1); } if (chdir("/") == -1) { perror("chdir"); exit (1); } /* username will be switched later */ } if (configtest) { log_method = L_STDERR; } if (log_open(log_method, pname, logfile, facility) < 0) { perror("log_open"); exit(1); } if (!configtest) { flog(LOG_INFO, "version %s started", VERSION); } /* get a raw socket for sending and receiving ICMPv6 messages */ sock = open_icmpv6_socket(); if (sock < 0) { perror("open_icmpv6_socket"); exit(1); } /* check that 'other' cannot write the file * for non-root, also that self/own group can't either */ if (check_conffile_perm(username, conf_file) < 0) { if (get_debuglevel() == 0) { flog(LOG_ERR, "Exiting, permissions on conf_file invalid.\n"); exit(1); } else flog(LOG_WARNING, "Insecure file permissions, but continuing anyway"); } /* if we know how to do it, check whether forwarding is enabled */ if (check_ip6_forwarding()) { flog(LOG_WARNING, "IPv6 forwarding seems to be disabled, but continuing anyway."); } /* parse config file */ if (readin_config(conf_file) < 0) { flog(LOG_ERR, "Exiting, failed to read config file.\n"); exit(1); } if (configtest) { fprintf(stderr, "Syntax OK\n"); exit(0); } #ifdef USE_PRIVSEP dlog(LOG_DEBUG, 3, "Initializing privsep"); if (privsep_init() < 0) { perror("Failed to initialize privsep."); exit(1); } #endif /* drop root privileges if requested. */ if (username) { if (drop_root_privileges(username) < 0) { perror("drop_root_privileges"); exit(1); } } /* * okay, config file is read in, socket and stuff is setup, so * lets fork now... */ if (get_debuglevel() > 0) { daemonize = 0; } if (daemonize) { if (daemon_retval_init()) { flog(LOG_ERR, "Could not initialize daemon IPC."); exit(1); } pid = daemon_fork(); if (-1 == pid) { flog(LOG_ERR, "Could not fork: %s", strerror(errno)); daemon_retval_done(); exit(1); } if (0 < pid) { if (daemon_retval_wait(0)) { flog(LOG_ERR, "Could not daemonize."); exit(1); } exit(0); } daemon_pid_file_proc = get_pidfile; if (daemon_pid_file_is_running() >= 0) { flog(LOG_ERR, "radvd already running, terminating."); daemon_retval_send(1); exit(1); } if (daemon_pid_file_create()) { flog(LOG_ERR, "Cannot create radvd PID file, terminating: %s", strerror(errno)); daemon_retval_send(2); exit(1); } daemon_retval_send(0); } /* * config signal handlers */ signal(SIGHUP, sighup_handler); signal(SIGTERM, sigterm_handler); signal(SIGINT, sigint_handler); signal(SIGUSR1, sigusr1_handler); config_interface(); kickoff_adverts(); main_loop(); flog(LOG_INFO, "sending stop adverts", pidfile); stop_adverts(); if (daemonize) { flog(LOG_INFO, "removing %s", pidfile); unlink(pidfile); } return 0; } const char *get_pidfile(void) { return pidfile; } void main_loop(void) { struct pollfd fds[2]; memset(fds, 0, sizeof(fds)); fds[0].fd = sock; fds[0].events = POLLIN; fds[0].revents = 0; #if HAVE_NETLINK fds[1].fd = netlink_socket(); fds[1].events = POLLIN; fds[1].revents = 0; #else fds[1].fd = -1; fds[1].events = 0; fds[1].revents = 0; #endif for (;;) { struct Interface *next = NULL; struct Interface *iface; int timeout = -1; int rc; if (IfaceList) { timeout = next_time_msec(IfaceList); next = IfaceList; for (iface = IfaceList; iface; iface = iface->next) { int t; t = next_time_msec(iface); if (timeout > t) { timeout = t; next = iface; } } } dlog(LOG_DEBUG, 5, "polling for %g seconds.", timeout/1000.0); rc = poll(fds, sizeof(fds)/sizeof(fds[0]), timeout); if (rc > 0) { if (fds[0].revents & (POLLERR | POLLHUP | POLLNVAL)) { flog(LOG_WARNING, "socket error on fds[0].fd"); } else if (fds[0].revents & POLLIN) { int len, hoplimit; struct sockaddr_in6 rcv_addr; struct in6_pktinfo *pkt_info = NULL; unsigned char msg[MSG_SIZE_RECV]; len = recv_rs_ra(msg, &rcv_addr, &pkt_info, &hoplimit); if (len > 0) { process(IfaceList, msg, len, &rcv_addr, pkt_info, hoplimit); } } #ifdef HAVE_NETLINK if (fds[1].revents & (POLLERR | POLLHUP | POLLNVAL)) { flog(LOG_WARNING, "socket error on fds[1].fd"); } else if (fds[1].revents & POLLIN) { process_netlink_msg(fds[1].fd); } #endif } else if ( rc == 0 ) { if (next) timer_handler(next); } else if ( rc == -1 ) { dlog(LOG_INFO, 3, "poll returned early: %s", strerror(errno)); } if (sigterm_received || sigint_received) { flog(LOG_WARNING, "Exiting, sigterm or sigint received.\n"); break; } if (sighup_received) { dlog(LOG_INFO, 3, "sig hup received.\n"); reload_config(); sighup_received = 0; } if (sigusr1_received) { dlog(LOG_INFO, 3, "sig usr1 received.\n"); reset_prefix_lifetimes(); sigusr1_received = 0; } } } void timer_handler(void *data) { struct Interface *iface = (struct Interface *) data; double next; dlog(LOG_DEBUG, 4, "timer_handler called for %s", iface->Name); if (send_ra_forall(iface, NULL) != 0) { return; } next = rand_between(iface->MinRtrAdvInterval, iface->MaxRtrAdvInterval); if (iface->init_racount < MAX_INITIAL_RTR_ADVERTISEMENTS) { iface->init_racount++; next = min(MAX_INITIAL_RTR_ADVERT_INTERVAL, next); } iface->next_multicast = next_timeval(next); } void config_interface(void) { struct Interface *iface; for(iface=IfaceList; iface; iface=iface->next) { if (iface->AdvLinkMTU) set_interface_linkmtu(iface->Name, iface->AdvLinkMTU); if (iface->AdvCurHopLimit) set_interface_curhlim(iface->Name, iface->AdvCurHopLimit); if (iface->AdvReachableTime) set_interface_reachtime(iface->Name, iface->AdvReachableTime); if (iface->AdvRetransTimer) set_interface_retranstimer(iface->Name, iface->AdvRetransTimer); } } void kickoff_adverts(void) { struct Interface *iface; /* * send initial advertisement and set timers */ for(iface=IfaceList; iface; iface=iface->next) { double next; gettimeofday(&iface->last_ra_time, NULL); if( iface->UnicastOnly ) continue; gettimeofday(&iface->last_multicast, NULL); if (!iface->AdvSendAdvert) continue; /* send an initial advertisement */ if (send_ra_forall(iface, NULL) == 0) { iface->init_racount++; next = min(MAX_INITIAL_RTR_ADVERT_INTERVAL, iface->MaxRtrAdvInterval); iface->next_multicast = next_timeval(next); } } } void stop_adverts(void) { struct Interface *iface; /* * send final RA (a SHOULD in RFC4861 section 6.2.5) */ for (iface=IfaceList; iface; iface=iface->next) { if( ! iface->UnicastOnly ) { if (iface->AdvSendAdvert) { /* send a final advertisement with zero Router Lifetime */ iface->cease_adv = 1; send_ra_forall(iface, NULL); } } } } void reload_config(void) { struct Interface *iface; flog(LOG_INFO, "attempting to reread config file"); iface=IfaceList; while(iface) { struct Interface *next_iface = iface->next; struct AdvPrefix *prefix; struct AdvRoute *route; struct AdvRDNSS *rdnss; struct AdvDNSSL *dnssl; dlog(LOG_DEBUG, 4, "freeing interface %s", iface->Name); prefix = iface->AdvPrefixList; while (prefix) { struct AdvPrefix *next_prefix = prefix->next; free(prefix); prefix = next_prefix; } route = iface->AdvRouteList; while (route) { struct AdvRoute *next_route = route->next; free(route); route = next_route; } rdnss = iface->AdvRDNSSList; while (rdnss) { struct AdvRDNSS *next_rdnss = rdnss->next; free(rdnss); rdnss = next_rdnss; } dnssl = iface->AdvDNSSLList; while (dnssl) { struct AdvDNSSL *next_dnssl = dnssl->next; int i; for (i = 0; i < dnssl->AdvDNSSLNumber; i++) free(dnssl->AdvDNSSLSuffixes[i]); free(dnssl->AdvDNSSLSuffixes); free(dnssl); dnssl = next_dnssl; } free(iface); iface = next_iface; } IfaceList = NULL; /* reread config file */ if (readin_config(conf_file) < 0) { perror("readin_config failed."); exit(1); } /* XXX: fails due to lack of permissions with non-root user */ config_interface(); kickoff_adverts(); flog(LOG_INFO, "resuming normal operation"); } void sighup_handler(int sig) { /* Linux has "one-shot" signals, reinstall the signal handler */ signal(SIGHUP, sighup_handler); sighup_received = 1; } void sigterm_handler(int sig) { /* Linux has "one-shot" signals, reinstall the signal handler */ signal(SIGTERM, sigterm_handler); ++sigterm_received; if(sigterm_received > 1){ abort(); } } void sigint_handler(int sig) { /* Linux has "one-shot" signals, reinstall the signal handler */ signal(SIGINT, sigint_handler); ++sigint_received; if(sigint_received > 1){ abort(); } } void reset_prefix_lifetimes(void) { struct Interface *iface; struct AdvPrefix *prefix; char pfx_str[INET6_ADDRSTRLEN]; flog(LOG_INFO, "Resetting prefix lifetimes"); for (iface = IfaceList; iface; iface = iface->next) { for (prefix = iface->AdvPrefixList; prefix; prefix = prefix->next) { if (prefix->DecrementLifetimesFlag) { print_addr(&prefix->Prefix, pfx_str); dlog(LOG_DEBUG, 4, "%s/%u%%%s plft reset from %u to %u secs", pfx_str, prefix->PrefixLen, iface->Name, prefix->curr_preferredlft, prefix->AdvPreferredLifetime); dlog(LOG_DEBUG, 4, "%s/%u%%%s vlft reset from %u to %u secs", pfx_str, prefix->PrefixLen, iface->Name, prefix->curr_validlft, prefix->AdvValidLifetime); prefix->curr_validlft = prefix->AdvValidLifetime; prefix->curr_preferredlft = prefix->AdvPreferredLifetime; } } } } void sigusr1_handler(int sig) { /* Linux has "one-shot" signals, reinstall the signal handler */ signal(SIGUSR1, sigusr1_handler); sigusr1_received = 1; } int drop_root_privileges(const char *username) { struct passwd *pw = NULL; pw = getpwnam(username); if (pw) { if (initgroups(username, pw->pw_gid) != 0 || setgid(pw->pw_gid) != 0 || setuid(pw->pw_uid) != 0) { flog(LOG_ERR, "Couldn't change to '%.32s' uid=%d gid=%d", username, pw->pw_uid, pw->pw_gid); return (-1); } } else { flog(LOG_ERR, "Couldn't find user '%.32s'", username); return (-1); } return 0; } int check_conffile_perm(const char *username, const char *conf_file) { struct stat stbuf; struct passwd *pw = NULL; FILE *fp = fopen(conf_file, "r"); if (fp == NULL) { flog(LOG_ERR, "can't open %s: %s", conf_file, strerror(errno)); return (-1); } fclose(fp); if (!username) username = "root"; pw = getpwnam(username); if (stat(conf_file, &stbuf) || pw == NULL) return (-1); if (stbuf.st_mode & S_IWOTH) { flog(LOG_ERR, "Insecure file permissions (writable by others): %s", conf_file); return (-1); } /* for non-root: must not be writable by self/own group */ if (strncmp(username, "root", 5) != 0 && ((stbuf.st_mode & S_IWGRP && pw->pw_gid == stbuf.st_gid) || (stbuf.st_mode & S_IWUSR && pw->pw_uid == stbuf.st_uid))) { flog(LOG_ERR, "Insecure file permissions (writable by self/group): %s", conf_file); return (-1); } return 0; } int check_ip6_forwarding(void) { int forw_sysctl[] = { SYSCTL_IP6_FORWARDING }; int value; size_t size = sizeof(value); FILE *fp = NULL; static int warned = 0; #ifdef __linux__ fp = fopen(PROC_SYS_IP6_FORWARDING, "r"); if (fp) { int rc = fscanf(fp, "%d", &value); if(rc != 1){ flog(LOG_ERR, "cannot read value from %s: %s", PROC_SYS_IP6_FORWARDING, strerror(errno)); exit(1); } fclose(fp); } else flog(LOG_DEBUG, "Correct IPv6 forwarding procfs entry not found, " "perhaps the procfs is disabled, " "or the kernel interface has changed?"); #endif /* __linux__ */ if (!fp && sysctl(forw_sysctl, sizeof(forw_sysctl)/sizeof(forw_sysctl[0]), &value, &size, NULL, 0) < 0) { flog(LOG_DEBUG, "Correct IPv6 forwarding sysctl branch not found, " "perhaps the kernel interface has changed?"); return(0); /* this is of advisory value only */ } if (value != 1 && !warned) { warned = 1; flog(LOG_DEBUG, "IPv6 forwarding setting is: %u, should be 1", value); return(-1); } return(0); } int readin_config(char *fname) { if ((yyin = fopen(fname, "r")) == NULL) { flog(LOG_ERR, "can't open %s: %s", fname, strerror(errno)); return (-1); } if (yyparse() != 0) { flog(LOG_ERR, "error parsing or activating the config file: %s", fname); return (-1); } fclose(yyin); return 0; } void version(void) { fprintf(stderr, "Version: %s\n\n", VERSION); fprintf(stderr, "Compiled in settings:\n"); fprintf(stderr, " default config file \"%s\"\n", PATH_RADVD_CONF); fprintf(stderr, " default pidfile \"%s\"\n", PATH_RADVD_PID); fprintf(stderr, " default logfile \"%s\"\n", PATH_RADVD_LOG); fprintf(stderr, " default syslog facility %d\n", LOG_FACILITY); fprintf(stderr, "Please send bug reports or suggestions to %s.\n", CONTACT_EMAIL); exit(1); } void usage(void) { fprintf(stderr, "usage: %s %s\n", pname, usage_str); exit(1); } radvd-1.9.1/includes.h0000664000175000017500000000345011721640116011525 00000000000000/* * * Authors: * Lars Fenneberg * * This software is Copyright 1996,1997 by the above mentioned author(s), * All Rights Reserved. * * The license which is distributed with this software in the file COPYRIGHT * applies to this software. If your distribution is missing this file, you * may request it from . * */ #ifndef INCLUDES_H #define INCLUDES_H #include "config.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef HAVE_INTTYPES_H # include #endif #ifdef HAVE_SYS_PARAM_H # include #else # ifdef HAVE_MACHINE_PARAM_H # include # endif # ifdef HAVE_MACHINE_LIMITS_H # include # endif #endif #if TIME_WITH_SYS_TIME # include # include #else # if HAVE_SYS_TIME_H # include # else # include # endif #endif #include #include #include #include #include #include #include #include #include #include #include #include #ifdef HAVE_NET_IF_DL_H # include #endif #ifdef HAVE_NET_IF_TYPES_H # include #endif #if defined(HAVE_NET_IF_ARP_H) && !defined(ARPHRD_ETHER) # include #endif /* defined(HAVE_NET_IF_ARP_H) && !defined(ARPHRD_ETHER) */ #ifdef HAVE_SYS_SOCKIO_H # include #endif #ifdef HAVE_GETOPT_H # include #endif #ifdef HAVE_IFADDRS_H # include #endif #endif /* INCLUDES_H */ radvd-1.9.1/socket.c0000664000175000017500000000465411721640116011211 00000000000000/* * * Authors: * Pedro Roque * Lars Fenneberg * * This software is Copyright 1996,1997 by the above mentioned author(s), * All Rights Reserved. * * The license which is distributed with this software in the file COPYRIGHT * applies to this software. If your distribution is missing this file, you * may request it from . * */ #include "config.h" #include "includes.h" #include "radvd.h" /* Note: these are applicable to receiving sockopts only */ #if defined IPV6_HOPLIMIT && !defined IPV6_RECVHOPLIMIT # define IPV6_RECVHOPLIMIT IPV6_HOPLIMIT #endif #if defined IPV6_PKTINFO && !defined IPV6_RECVPKTINFO # define IPV6_RECVPKTINFO IPV6_PKTINFO #endif int open_icmpv6_socket(void) { int sock; struct icmp6_filter filter; int err, val; sock = socket(AF_INET6, SOCK_RAW, IPPROTO_ICMPV6); if (sock < 0) { flog(LOG_ERR, "can't create socket(AF_INET6): %s", strerror(errno)); return (-1); } val = 1; err = setsockopt(sock, IPPROTO_IPV6, IPV6_RECVPKTINFO, &val, sizeof(val)); if (err < 0) { flog(LOG_ERR, "setsockopt(IPV6_RECVPKTINFO): %s", strerror(errno)); return (-1); } val = 2; #ifdef __linux__ err = setsockopt(sock, IPPROTO_RAW, IPV6_CHECKSUM, &val, sizeof(val)); #else err = setsockopt(sock, IPPROTO_IPV6, IPV6_CHECKSUM, &val, sizeof(val)); #endif if (err < 0) { flog(LOG_ERR, "setsockopt(IPV6_CHECKSUM): %s", strerror(errno)); return (-1); } val = 255; err = setsockopt(sock, IPPROTO_IPV6, IPV6_UNICAST_HOPS, &val, sizeof(val)); if (err < 0) { flog(LOG_ERR, "setsockopt(IPV6_UNICAST_HOPS): %s", strerror(errno)); return (-1); } val = 255; err = setsockopt(sock, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, &val, sizeof(val)); if (err < 0) { flog(LOG_ERR, "setsockopt(IPV6_MULTICAST_HOPS): %s", strerror(errno)); return (-1); } #ifdef IPV6_RECVHOPLIMIT val = 1; err = setsockopt(sock, IPPROTO_IPV6, IPV6_RECVHOPLIMIT, &val, sizeof(val)); if (err < 0) { flog(LOG_ERR, "setsockopt(IPV6_RECVHOPLIMIT): %s", strerror(errno)); return (-1); } #endif /* * setup ICMP filter */ ICMP6_FILTER_SETBLOCKALL(&filter); ICMP6_FILTER_SETPASS(ND_ROUTER_SOLICIT, &filter); ICMP6_FILTER_SETPASS(ND_ROUTER_ADVERT, &filter); err = setsockopt(sock, IPPROTO_ICMPV6, ICMP6_FILTER, &filter, sizeof(filter)); if (err < 0) { flog(LOG_ERR, "setsockopt(ICMPV6_FILTER): %s", strerror(errno)); return (-1); } return sock; } radvd-1.9.1/util.c0000664000175000017500000000516011721640116010667 00000000000000/* * * Authors: * Lars Fenneberg * * This software is Copyright 1996,1997 by the above mentioned author(s), * All Rights Reserved. * * The license which is distributed with this software in the file COPYRIGHT * applies to this software. If your distribution is missing this file, you * may request it from . * */ #include "config.h" #include "includes.h" #include "radvd.h" void mdelay(double msecs) { struct timeval tv; tv.tv_sec = (time_t)(msecs / 1000.0); tv.tv_usec = (suseconds_t)((msecs - tv.tv_sec * 1000.0) * 1000.0); select(0,(fd_set *)NULL,(fd_set *)NULL,(fd_set *)NULL, &tv); } double rand_between(double lower, double upper) { return ((upper - lower) / (RAND_MAX + 1.0) * rand() + lower); } void print_addr(struct in6_addr *addr, char *str) { const char *res; /* XXX: overflows 'str' if it isn't big enough */ res = inet_ntop(AF_INET6, (void *)addr, str, INET6_ADDRSTRLEN); if (res == NULL) { flog(LOG_ERR, "print_addr: inet_ntop: %s", strerror(errno)); strcpy(str, "[invalid address]"); } } /* Check if an in6_addr exists in the rdnss list */ int check_rdnss_presence(struct AdvRDNSS *rdnss, struct in6_addr *addr) { while (rdnss) { if ( !memcmp(&rdnss->AdvRDNSSAddr1, addr, sizeof(struct in6_addr)) || !memcmp(&rdnss->AdvRDNSSAddr2, addr, sizeof(struct in6_addr)) || !memcmp(&rdnss->AdvRDNSSAddr3, addr, sizeof(struct in6_addr)) ) break; /* rdnss address found in the list */ else rdnss = rdnss->next; /* no match */ } return (rdnss != NULL); } /* Check if a suffix exists in the dnssl list */ int check_dnssl_presence(struct AdvDNSSL *dnssl, const char *suffix) { int i; while (dnssl) { for (i = 0; i < dnssl->AdvDNSSLNumber; i++) { if (strcmp(dnssl->AdvDNSSLSuffixes[i], suffix) == 0) break; /* suffix found in the list */ } if (i != dnssl->AdvDNSSLNumber) break; dnssl = dnssl->next; /* no match */ } return (dnssl != NULL); } /* Like read(), but retries in case of partial read */ ssize_t readn(int fd, void *buf, size_t count) { size_t n = 0; while (count > 0) { int r = read(fd, buf, count); if (r < 0) { if (errno == EINTR) continue; return r; } if (r == 0) return n; buf = (char *)buf + r; count -= r; n += r; } return n; } /* Like write(), but retries in case of partial write */ ssize_t writen(int fd, const void *buf, size_t count) { size_t n = 0; while (count > 0) { int r = write(fd, buf, count); if (r < 0) { if (errno == EINTR) continue; return r; } if (r == 0) return n; buf = (const char *)buf + r; count -= r; n += r; } return n; } radvd-1.9.1/TODO0000664000175000017500000000745611721640116010250 00000000000000 NOTE WELL ========= *NONE* of the items are being actively worked on. So, if you're interested in one of these features, it means you'll have to submit a patch... :-) read list of interfaces with SIOCGIFCONF (AF_INET6 support in the kernel would be nice) or from /proc Quoting Peter Bieringer (peter@bieringer.de): > Das war's schon. Ach ja, wenn Du mal eine neue Version machst, kannst Du > noch einen Schalter einbauen, damit radvd trotz debug-level >0 auf Wunsch > als daemon in den Hintergrund starten kann? [ Peter wants that a debugging level greater than 0 doesn't stop radvd from forking.] support for few protocol constants defined in RFC 4861 Sec 10 is missing. consider whether UnicastOnly flag should be detected by radvdump. read the man pages one more time and make sure their are understandable and English is correct The following parts of RFC4861 are not implemented: - section 6.2.5: when AdvSendAdvertisements changes to FALSE, we don't send a final RA with zero Router Lifetime (we just send it when shutting down). (SHOULD) - section 6.2.8: if the link-local address of the router changes, it should multicast a few RAs from the old address with zero router lifetime, and a few from the new address. (SHOULD). Consider whether to support RFC 4286 (Multicast Router Discovery). Consider whether to support multiple IPv4 addresses with Base6to4Interface (currently the code just picks one). Consider whether to support multiple prefixes and routes with a single configuration line (instead of having to specify each prefix/route separately) somewhat similar to how RDNSS configuration already supports. Consider whether to support a generalization of Base6to4Interface for arbitrary IPv6 prefixes, to be used for automatic generation of downstream prefixes. Also consider whether this would need to support multiple IPv6 prefixes on the upstream interfaces. See question 3 in README for more on this. Use getifaddrs() instead of ioctl SIOCGIFADDR and other friends. The problem with this is that e.g. RHL73's glibc didn't support getifaddrs(), and before glibc 2.3.3 getifaddrs() didn't use netlink so it didn't work well with IPv6. These old compat concerns are likely moot now.. Consider whether radvd should work around missing/broken interfaces by default, especially if a previously working interface gets disabled. Implement Secure Neighbor Discovery (RFC 3971). Interface reconfiguration is only supported on Linux. Consider whether to support that (and privilege separation as a result) on BSD as well. The restrictions of the (privilege separation) master process could be restricted as currently it basically only needs to write to /proc, do some logging and nothing else. radvd does not support splitting up RAs to multiple packets (RFC4861 6.2.3 last paragraph). In practise this limits advertising to ~45 prefixes on a link, but there is no reason to be able to so. In order to avoid fragmenting packets yet support receiving full-size frames, our hack is to have a bigger receive than send buffer. We could try using setsockopt IPV6_DONTFRAG, but at least Linux glibc doesn't appear to support it yet. Triggered by: https://bugzilla.redhat.com/show_bug.cgi?id=554125 Known problems (probably can't do anything about these): - If interface MAC address changes, radvd will keep sending the old MAC in its LL option (until HUP signal). The kernel will keep sending Ethernet frames with the old MAC until interface is flapped. More: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=508466 http://lists.litech.org/pipermail/radvd-devel-l/2009-August/000420.html localtime() used in vlog() is not reentrant, and is not safe in signal handling context. There may be other such functions as well. 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If your distribution is missing this file, you dnl may request it from . dnl dnl AC_INIT(radvd.c) AC_CANONICAL_SYSTEM VERSION=`cat ${srcdir}/VERSION | grep -v '^#' | tr -d '\012'` AM_INIT_AUTOMAKE(radvd,$VERSION,true) m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES(yes)]) AC_MSG_CHECKING([architecture]) case "$target" in *linux*) AC_MSG_RESULT(linux) AC_DEFINE([_GNU_SOURCE], [], [whether compiling on Linux, glibc>=2.8 doesn't expose in6_pktinfo otherwise..]) arch=linux ;; *bsd*) AC_MSG_RESULT(bsd44) arch=bsd44 ;; *darwin*) AC_MSG_RESULT([bsd44 (darwin)]) arch=bsd44 ;; *) AC_MSG_RESULT(unknown: $target) AC_MSG_ERROR( [currently only Linux and BSD 4.4 with NRL's IPv6 code are supported. If you have such a system and it is not guessed correctly you must specifiy it with --target on the configure command line]) ;; esac dnl Determine CC and preset CFLAGS AC_PROG_CC dnl Determine of netlink is available AC_MSG_CHECKING(netlink) AC_TRY_COMPILE([ #include #include #include #include ],[ int main(int argc, char * argv[]) { int sock; struct sockaddr_nl snl; sock = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE); snl.nl_family = AF_NETLINK; snl.nl_groups = RTMGRP_LINK; return 0; } ],[ AC_DEFINE(HAVE_NETLINK, 1, [Linux netlink]) CONDITIONAL_SOURCES=netlink.${OBJEXT} AC_MSG_RESULT(yes) ],[ AC_MSG_RESULT(no) ]) dnl Needed for normal compile AC_PROG_INSTALL AC_PATH_PROG(RM, rm, NOTFOUND) if test "x$RM" = xNOTFOUND; then AC_MSG_ERROR(can't find rm in your path - check PATH) fi AC_PATH_PROG(SED, sed, NOTFOUND) if test "x$SED" = xNOTFOUND; then AC_MSG_ERROR(can't find sed in your path - check PATH) fi dnl Not needed AC_PATH_PROG(LN, ln) AC_PROG_YACC AM_PROG_LEX AC_PATH_PROG(TAR, tar) AC_PATH_PROG(GZIP, gzip) dnl Check where to put the logfile AC_MSG_CHECKING(where to put logfile) AC_ARG_WITH(logfile, [ --with-logfile Path to the radvd logfile [/var/log/radvd.log]], PATH_RADVD_LOG=$withval, PATH_RADVD_LOG=/var/log/radvd.log) AC_MSG_RESULT($PATH_RADVD_LOG) dnl Check where to put the pidfile AC_MSG_CHECKING(where to put pidfile) AC_ARG_WITH(pidfile, [ --with-pidfile Path to the radvd pidfile [/var/run/radvd.pid]], PATH_RADVD_PID=$withval, PATH_RADVD_PID=/var/run/radvd.pid) AC_MSG_RESULT($PATH_RADVD_PID) dnl Check where to put the configfile AC_MSG_CHECKING(where to find configfile) AC_ARG_WITH(configfile, [ --with-configfile Path to the radvd config file [SYSCONF/radvd.conf]], PATH_RADVD_CONF=$withval, [eval PATH_RADVD_CONF=${sysconfdir}/radvd.conf]) PATH_RADVD_CONF=$(echo $PATH_RADVD_CONF | sed 's/NONE//1') AC_MSG_RESULT($PATH_RADVD_CONF) dnl Checking which syslog facility to use AC_MSG_CHECKING(which syslog facility to use) AC_ARG_WITH(facility, [ --with-facility Syslog facility to use when using syslog logging], LOG_FACILITY=$withval, LOG_FACILITY=LOG_DAEMON) AC_MSG_RESULT($LOG_FACILITY) dnl Checks for libraries. AC_CHECK_LIB(c, inet_ntop,, AC_CHECK_LIB(inet6, inet_ntop, LIBS="$LIBS -linet6" , AC_MSG_ERROR(can't continue without libinet6.a library - check your LDFLAGS) ) ) # prevent caching unset ac_cv_lib_inet6_inet_ntop PKG_CHECK_MODULES([DAEMON], libdaemon) dnl Checks for header files. AC_HEADER_STDC AC_CHECK_HEADERS( \ getopt.h \ ifaddrs.h \ machine/limits.h \ machine/param.h \ net/if_arp.h \ net/if_dl.h \ net/if_types.h \ sys/param.h \ sys/sockio.h \ sys/time.h \ time.h \ ) AC_HEADER_TIME dnl Checks for typedefs, structures, and compiler characteristics. AC_C_CONST AC_MSG_CHECKING(whether struct sockaddr_in6 has sin6_scope_id) AC_TRY_COMPILE([#include #include ], [static struct sockaddr_in6 ac_sin6; int ac_size = sizeof (ac_sin6.sin6_scope_id);], [AC_MSG_RESULT(yes); AC_DEFINE([HAVE_SIN6_SCOPE_ID], 1, [whether struct sockaddr_in6 has sin6_scope_id])], AC_MSG_RESULT(no)) AC_MSG_CHECKING(whether struct in6_addr has u6_addrXX and defines s6_addrXX) AC_TRY_COMPILE([#include ], [static struct in6_addr in6_u; int u = in6_u.s6_addr16;], [AC_MSG_RESULT(yes); AC_DEFINE([HAVE_IN6_ADDR_S6_ADDR], 1, [whether struct in6_addr has u6_addrXX and defines s6_addrXX])], AC_MSG_RESULT(no)) dnl Checks for library functions. AC_CHECK_FUNCS(getopt_long) CONDITIONAL_SOURCES="device-${arch}.${OBJEXT} ${CONDITIONAL_SOURCES}" if test x${arch} = xlinux ; then CONDITIONAL_SOURCES="privsep-${arch}.${OBJEXT} ${CONDITIONAL_SOURCES}" AC_DEFINE(USE_PRIVSEP, 1, [Use privsep]) fi AC_SUBST(CONDITIONAL_SOURCES) AC_SUBST(VERSION) AC_SUBST(PATH_RADVD_CONF) AC_SUBST(PATH_RADVD_PID) AC_SUBST(PATH_RADVD_LOG) AC_SUBST(LOG_FACILITY) AM_CONFIG_HEADER(config.h) AC_OUTPUT(Makefile redhat/radvd.spec) cat << EOF Your build configuration: CFLAGS = $CFLAGS LDFLAGS = $LDFLAGS Arch = ${arch} Extras: ${CONDITIONAL_SOURCES} prefix: $prefix PID file: $PATH_RADVD_PID Log file: $PATH_RADVD_LOG Config file: $PATH_RADVD_CONF Radvd version: $VERSION EOF radvd-1.9.1/device-common.c0000664000175000017500000000504211763427755012460 00000000000000/* * * Authors: * Lars Fenneberg * * This software is Copyright 1996,1997 by the above mentioned author(s), * All Rights Reserved. * * The license which is distributed with this software in the file COPYRIGHT * applies to this software. If your distribution is missing this file, you * may request it from . * */ #include "config.h" #include "includes.h" #include "radvd.h" #include "defaults.h" int check_device(struct Interface *iface) { struct ifreq ifr; strncpy(ifr.ifr_name, iface->Name, IFNAMSIZ-1); ifr.ifr_name[IFNAMSIZ-1] = '\0'; if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) { if (!iface->IgnoreIfMissing) flog(LOG_ERR, "ioctl(SIOCGIFFLAGS) failed for %s: %s", iface->Name, strerror(errno)); return (-1); } if (!(ifr.ifr_flags & IFF_UP)) { if (!iface->IgnoreIfMissing) flog(LOG_ERR, "interface %s is not UP", iface->Name); return (-1); } if (!(ifr.ifr_flags & IFF_RUNNING)) { if (!iface->IgnoreIfMissing) flog(LOG_ERR, "interface %s is not RUNNING", iface->Name); return (-1); } if (! iface->UnicastOnly && !(ifr.ifr_flags & IFF_MULTICAST)) { flog(LOG_WARNING, "interface %s does not support multicast", iface->Name); flog(LOG_WARNING, " do you need to add the UnicastOnly flag?"); } if (! iface->UnicastOnly && !(ifr.ifr_flags & IFF_BROADCAST)) { flog(LOG_WARNING, "interface %s does not support broadcast", iface->Name); flog(LOG_WARNING, " do you need to add the UnicastOnly flag?"); } return 0; } int get_v4addr(const char *ifn, unsigned int *dst) { struct ifreq ifr; struct sockaddr_in *addr; int fd; if( ( fd = socket(AF_INET,SOCK_DGRAM,0) ) < 0 ) { flog(LOG_ERR, "create socket for IPv4 ioctl failed for %s: %s", ifn, strerror(errno)); return (-1); } memset(&ifr, 0, sizeof(ifr)); strncpy(ifr.ifr_name, ifn, IFNAMSIZ-1); ifr.ifr_name[IFNAMSIZ-1] = '\0'; ifr.ifr_addr.sa_family = AF_INET; if (ioctl(fd, SIOCGIFADDR, &ifr) < 0) { flog(LOG_ERR, "ioctl(SIOCGIFADDR) failed for %s: %s", ifn, strerror(errno)); close( fd ); return (-1); } addr = (struct sockaddr_in *)(&ifr.ifr_addr); dlog(LOG_DEBUG, 3, "IPv4 address for %s is %s", ifn, inet_ntoa( addr->sin_addr ) ); *dst = addr->sin_addr.s_addr; close( fd ); return 0; } radvd-1.9.1/radvd.h0000664000175000017500000001601011763427535011031 00000000000000/* * * Authors: * Pedro Roque * Lars Fenneberg * * This software is Copyright 1996,1997 by the above mentioned author(s), * All Rights Reserved. * * The license which is distributed with this software in the file COPYRIGHT * applies to this software. If your distribution is missing this file, you * may request it from . * */ #ifndef RADV_H #define RADV_H #include "config.h" #include "includes.h" #include "defaults.h" #include "log.h" #define CONTACT_EMAIL "Pekka Savola " extern int sock; #define min(a,b) (((a) < (b)) ? (a) : (b)) struct AdvPrefix; struct Clients; #define HWADDR_MAX 16 #define USER_HZ 100 struct Interface { char Name[IFNAMSIZ]; /* interface name */ struct in6_addr if_addr; unsigned int if_index; uint8_t init_racount; /* Initial RAs */ uint8_t if_hwaddr[HWADDR_MAX]; int if_hwaddr_len; int if_prefix_len; int if_maxmtu; int cease_adv; struct timeval last_ra_time; int IgnoreIfMissing; int AdvSendAdvert; double MaxRtrAdvInterval; double MinRtrAdvInterval; double MinDelayBetweenRAs; int AdvManagedFlag; int AdvOtherConfigFlag; uint32_t AdvLinkMTU; uint32_t AdvReachableTime; uint32_t AdvRetransTimer; uint8_t AdvCurHopLimit; int32_t AdvDefaultLifetime; /* XXX: really uint16_t but we need to use -1 */ int AdvDefaultPreference; int AdvSourceLLAddress; int UnicastOnly; /* Mobile IPv6 extensions */ int AdvIntervalOpt; int AdvHomeAgentInfo; int AdvHomeAgentFlag; uint16_t HomeAgentPreference; int32_t HomeAgentLifetime; /* XXX: really uint16_t but we need to use -1 */ /* NEMO extensions */ int AdvMobRtrSupportFlag; struct AdvPrefix *AdvPrefixList; struct AdvRoute *AdvRouteList; struct AdvRDNSS *AdvRDNSSList; struct AdvDNSSL *AdvDNSSLList; struct Clients *ClientList; struct timeval last_multicast; struct timeval next_multicast; /* Info whether this interface has failed in the past (and may need to be reinitialized) */ int HasFailed; struct Interface *next; }; struct Clients { struct in6_addr Address; struct Clients *next; }; struct AdvPrefix { struct in6_addr Prefix; uint8_t PrefixLen; int AdvOnLinkFlag; int AdvAutonomousFlag; uint32_t AdvValidLifetime; uint32_t AdvPreferredLifetime; int DeprecatePrefixFlag; int DecrementLifetimesFlag; uint32_t curr_validlft; uint32_t curr_preferredlft; /* Mobile IPv6 extensions */ int AdvRouterAddr; /* 6to4 etc. extensions */ char if6to4[IFNAMSIZ]; int enabled; int AutoSelected; /* Select prefixes from this interface. */ char if6[IFNAMSIZ]; struct AdvPrefix *next; }; /* More-Specific Routes extensions */ struct AdvRoute { struct in6_addr Prefix; uint8_t PrefixLen; int AdvRoutePreference; uint32_t AdvRouteLifetime; int RemoveRouteFlag; struct AdvRoute *next; }; /* Options for DNS configuration */ struct AdvRDNSS { int AdvRDNSSNumber; uint32_t AdvRDNSSLifetime; int FlushRDNSSFlag; struct in6_addr AdvRDNSSAddr1; struct in6_addr AdvRDNSSAddr2; struct in6_addr AdvRDNSSAddr3; struct AdvRDNSS *next; }; struct AdvDNSSL { uint32_t AdvDNSSLLifetime; int AdvDNSSLNumber; int FlushDNSSLFlag; char **AdvDNSSLSuffixes; struct AdvDNSSL *next; }; /* Mobile IPv6 extensions */ struct AdvInterval { uint8_t type; uint8_t length; uint16_t reserved; uint32_t adv_ival; }; struct HomeAgentInfo { uint8_t type; uint8_t length; uint16_t flags_reserved; uint16_t preference; uint16_t lifetime; }; /* gram.y */ int yyparse(void); /* scanner.l */ int yylex(void); /* radvd.c */ int check_ip6_forwarding(void); void reload_config(void); void reset_prefix_lifetimes(void); /* timer.c */ struct timeval next_timeval(double next); int timevaldiff(struct timeval const *a, struct timeval const *b); int next_time_msec(struct Interface const * iface); int expired(struct Interface const * iface); /* device.c */ int setup_deviceinfo(struct Interface *); int check_device(struct Interface *); int setup_linklocal_addr(struct Interface *); int setup_allrouters_membership(struct Interface *); int check_allrouters_membership(struct Interface *); int get_v4addr(const char *, unsigned int *); int set_interface_var(const char *, const char *, const char *, uint32_t); int set_interface_linkmtu(const char *, uint32_t); int set_interface_curhlim(const char *, uint8_t); int set_interface_reachtime(const char *, uint32_t); int set_interface_retranstimer(const char *, uint32_t); /* interface.c */ void iface_init_defaults(struct Interface *); void prefix_init_defaults(struct AdvPrefix *); void route_init_defaults(struct AdvRoute *, struct Interface *); void rdnss_init_defaults(struct AdvRDNSS *, struct Interface *); void dnssl_init_defaults(struct AdvDNSSL *, struct Interface *); int check_iface(struct Interface *); /* socket.c */ int open_icmpv6_socket(void); /* send.c */ int send_ra(struct Interface *iface, struct in6_addr *dest); int send_ra_forall(struct Interface *iface, struct in6_addr *dest); /* process.c */ void process(struct Interface *, unsigned char *, int, struct sockaddr_in6 *, struct in6_pktinfo *, int); /* recv.c */ int recv_rs_ra(unsigned char *, struct sockaddr_in6 *, struct in6_pktinfo **, int *); /* util.c */ void mdelay(double); double rand_between(double, double); void print_addr(struct in6_addr *, char *); int check_rdnss_presence(struct AdvRDNSS *, struct in6_addr *); int check_dnssl_presence(struct AdvDNSSL *, const char *); ssize_t readn(int fd, void *buf, size_t count); ssize_t writen(int fd, const void *buf, size_t count); /* privsep.c */ int privsep_init(void); int privsep_enabled(void); int privsep_interface_linkmtu(const char *iface, uint32_t mtu); int privsep_interface_curhlim(const char *iface, uint32_t hlim); int privsep_interface_reachtime(const char *iface, uint32_t rtime); int privsep_interface_retranstimer(const char *iface, uint32_t rettimer); /* * compat hacks in case libc and kernel get out of sync: * * glibc 2.4 and uClibc 0.9.29 introduce IPV6_RECVPKTINFO etc. and change IPV6_PKTINFO * This is only supported in Linux kernel >= 2.6.14 * * This is only an approximation because the kernel version that libc was compiled against * could be older or newer than the one being run. But this should not be a problem -- * we just keep using the old kernel interface. * * these are placed here because they're needed in all of socket.c, recv.c and send.c */ #ifdef __linux__ # if defined IPV6_RECVHOPLIMIT || defined IPV6_RECVPKTINFO # include # if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,14) # if defined IPV6_RECVHOPLIMIT && defined IPV6_2292HOPLIMIT # undef IPV6_RECVHOPLIMIT # define IPV6_RECVHOPLIMIT IPV6_2292HOPLIMIT # endif # if defined IPV6_RECVPKTINFO && defined IPV6_2292PKTINFO # undef IPV6_RECVPKTINFO # undef IPV6_PKTINFO # define IPV6_RECVPKTINFO IPV6_2292PKTINFO # define IPV6_PKTINFO IPV6_2292PKTINFO # endif # endif # endif #endif #endif radvd-1.9.1/gram.y0000664000175000017500000005215111763430055010675 00000000000000/* * * Authors: * Pedro Roque * Lars Fenneberg * * This software is Copyright 1996-2000 by the above mentioned author(s), * All Rights Reserved. * * The license which is distributed with this software in the file COPYRIGHT * applies to this software. If your distribution is missing this file, you * may request it from . * */ %{ #include "config.h" #include "includes.h" #include "radvd.h" #include "defaults.h" extern struct Interface *IfaceList; struct Interface *iface = NULL; struct AdvPrefix *prefix = NULL; struct AdvRoute *route = NULL; struct AdvRDNSS *rdnss = NULL; struct AdvDNSSL *dnssl = NULL; extern char *conf_file; extern int num_lines; extern char *yytext; static void cleanup(void); static void yyerror(char *msg); static int countbits(int b); static int count_mask(struct sockaddr_in6 *m); static struct in6_addr get_prefix6(struct in6_addr const *addr, struct in6_addr const *mask); #if 0 /* no longer necessary? */ #ifndef HAVE_IN6_ADDR_S6_ADDR # ifdef __FreeBSD__ # define s6_addr32 __u6_addr.__u6_addr32 # define s6_addr16 __u6_addr.__u6_addr16 # endif #endif #endif #define ABORT do { cleanup(); YYABORT; } while (0); #define ADD_TO_LL(type, list, value) \ do { \ if (iface->list == NULL) \ iface->list = value; \ else { \ type *current = iface->list; \ while (current->next != NULL) \ current = current->next; \ current->next = value; \ } \ } while (0) %} %token T_INTERFACE %token T_PREFIX %token T_ROUTE %token T_RDNSS %token T_DNSSL %token T_CLIENTS %token STRING %token NUMBER %token SIGNEDNUMBER %token DECIMAL %token SWITCH %token IPV6ADDR %token INFINITY %token T_IgnoreIfMissing %token T_AdvSendAdvert %token T_MaxRtrAdvInterval %token T_MinRtrAdvInterval %token T_MinDelayBetweenRAs %token T_AdvManagedFlag %token T_AdvOtherConfigFlag %token T_AdvLinkMTU %token T_AdvReachableTime %token T_AdvRetransTimer %token T_AdvCurHopLimit %token T_AdvDefaultLifetime %token T_AdvDefaultPreference %token T_AdvSourceLLAddress %token T_AdvOnLink %token T_AdvAutonomous %token T_AdvValidLifetime %token T_AdvPreferredLifetime %token T_DeprecatePrefix %token T_DecrementLifetimes %token T_AdvRouterAddr %token T_AdvHomeAgentFlag %token T_AdvIntervalOpt %token T_AdvHomeAgentInfo %token T_Base6Interface %token T_Base6to4Interface %token T_UnicastOnly %token T_HomeAgentPreference %token T_HomeAgentLifetime %token T_AdvRoutePreference %token T_AdvRouteLifetime %token T_RemoveRoute %token T_AdvRDNSSPreference %token T_AdvRDNSSOpenFlag %token T_AdvRDNSSLifetime %token T_FlushRDNSS %token T_AdvDNSSLLifetime %token T_FlushDNSSL %token T_AdvMobRtrSupportFlag %token T_BAD_TOKEN %type name %type prefixdef %type clientslist v6addrlist %type routedef %type rdnssdef %type dnssldef %type number_or_infinity %union { unsigned int num; int snum; double dec; struct in6_addr *addr; char *str; struct AdvPrefix *pinfo; struct AdvRoute *rinfo; struct AdvRDNSS *rdnssinfo; struct AdvDNSSL *dnsslinfo; struct Clients *ainfo; }; %% grammar : grammar ifacedef | ifacedef ; ifacedef : ifacehead '{' ifaceparams '}' ';' { struct Interface *iface2; iface2 = IfaceList; while (iface2) { if (!strcmp(iface2->Name, iface->Name)) { flog(LOG_ERR, "duplicate interface " "definition for %s", iface->Name); ABORT; } iface2 = iface2->next; } if (check_device(iface) < 0) { if (iface->IgnoreIfMissing) { dlog(LOG_DEBUG, 4, "interface %s did not exist, ignoring the interface", iface->Name); } else { flog(LOG_ERR, "interface %s does not exist", iface->Name); ABORT; } } if (setup_deviceinfo(iface) < 0) if (!iface->IgnoreIfMissing) ABORT; if (check_iface(iface) < 0) if (!iface->IgnoreIfMissing) ABORT; if (setup_linklocal_addr(iface) < 0) if (!iface->IgnoreIfMissing) ABORT; if (setup_allrouters_membership(iface) < 0) if (!iface->IgnoreIfMissing) ABORT; dlog(LOG_DEBUG, 4, "interface definition for %s is ok", iface->Name); iface->next = IfaceList; IfaceList = iface; iface = NULL; }; ifacehead : T_INTERFACE name { iface = malloc(sizeof(struct Interface)); if (iface == NULL) { flog(LOG_CRIT, "malloc failed: %s", strerror(errno)); ABORT; } iface_init_defaults(iface); strncpy(iface->Name, $2, IFNAMSIZ-1); iface->Name[IFNAMSIZ-1] = '\0'; } ; name : STRING { /* check vality */ $$ = $1; } ; ifaceparams : /* empty */ | ifaceparam ifaceparams ; ifaceparam : ifaceval | prefixdef { ADD_TO_LL(struct AdvPrefix, AdvPrefixList, $1); } | clientslist { ADD_TO_LL(struct Clients, ClientList, $1); } | routedef { ADD_TO_LL(struct AdvRoute, AdvRouteList, $1); } | rdnssdef { ADD_TO_LL(struct AdvRDNSS, AdvRDNSSList, $1); } | dnssldef { ADD_TO_LL(struct AdvDNSSL, AdvDNSSLList, $1); } ; ifaceval : T_MinRtrAdvInterval NUMBER ';' { iface->MinRtrAdvInterval = $2; } | T_MaxRtrAdvInterval NUMBER ';' { iface->MaxRtrAdvInterval = $2; } | T_MinDelayBetweenRAs NUMBER ';' { iface->MinDelayBetweenRAs = $2; } | T_MinRtrAdvInterval DECIMAL ';' { iface->MinRtrAdvInterval = $2; } | T_MaxRtrAdvInterval DECIMAL ';' { iface->MaxRtrAdvInterval = $2; } | T_MinDelayBetweenRAs DECIMAL ';' { iface->MinDelayBetweenRAs = $2; } | T_IgnoreIfMissing SWITCH ';' { iface->IgnoreIfMissing = $2; } | T_AdvSendAdvert SWITCH ';' { iface->AdvSendAdvert = $2; } | T_AdvManagedFlag SWITCH ';' { iface->AdvManagedFlag = $2; } | T_AdvOtherConfigFlag SWITCH ';' { iface->AdvOtherConfigFlag = $2; } | T_AdvLinkMTU NUMBER ';' { iface->AdvLinkMTU = $2; } | T_AdvReachableTime NUMBER ';' { iface->AdvReachableTime = $2; } | T_AdvRetransTimer NUMBER ';' { iface->AdvRetransTimer = $2; } | T_AdvDefaultLifetime NUMBER ';' { iface->AdvDefaultLifetime = $2; } | T_AdvDefaultPreference SIGNEDNUMBER ';' { iface->AdvDefaultPreference = $2; } | T_AdvCurHopLimit NUMBER ';' { iface->AdvCurHopLimit = $2; } | T_AdvSourceLLAddress SWITCH ';' { iface->AdvSourceLLAddress = $2; } | T_AdvIntervalOpt SWITCH ';' { iface->AdvIntervalOpt = $2; } | T_AdvHomeAgentInfo SWITCH ';' { iface->AdvHomeAgentInfo = $2; } | T_AdvHomeAgentFlag SWITCH ';' { iface->AdvHomeAgentFlag = $2; } | T_HomeAgentPreference NUMBER ';' { iface->HomeAgentPreference = $2; } | T_HomeAgentLifetime NUMBER ';' { iface->HomeAgentLifetime = $2; } | T_UnicastOnly SWITCH ';' { iface->UnicastOnly = $2; } | T_AdvMobRtrSupportFlag SWITCH ';' { iface->AdvMobRtrSupportFlag = $2; } ; clientslist : T_CLIENTS '{' v6addrlist '}' ';' { $$ = $3; } ; v6addrlist : IPV6ADDR ';' { struct Clients *new = calloc(1, sizeof(struct Clients)); if (new == NULL) { flog(LOG_CRIT, "calloc failed: %s", strerror(errno)); ABORT; } memcpy(&(new->Address), $1, sizeof(struct in6_addr)); $$ = new; } | v6addrlist IPV6ADDR ';' { struct Clients *new = calloc(1, sizeof(struct Clients)); if (new == NULL) { flog(LOG_CRIT, "calloc failed: %s", strerror(errno)); ABORT; } memcpy(&(new->Address), $2, sizeof(struct in6_addr)); new->next = $1; $$ = new; } ; prefixdef : prefixhead optional_prefixplist ';' { if (prefix) { unsigned int dst; if (prefix->AdvPreferredLifetime > prefix->AdvValidLifetime) { flog(LOG_ERR, "AdvValidLifeTime must be " "greater than AdvPreferredLifetime in %s, line %d", conf_file, num_lines); ABORT; } if ( prefix->if6[0] && prefix->if6to4[0]) { flog(LOG_ERR, "Base6Interface and Base6to4Interface are mutually exclusive at this time."); ABORT; } if ( prefix->if6to4[0] ) { if (get_v4addr(prefix->if6to4, &dst) < 0) { flog(LOG_ERR, "interface %s has no IPv4 addresses, disabling 6to4 prefix", prefix->if6to4 ); prefix->enabled = 0; } else { *((uint16_t *)(prefix->Prefix.s6_addr)) = htons(0x2002); memcpy( prefix->Prefix.s6_addr + 2, &dst, sizeof( dst ) ); } } if ( prefix->if6[0] ) { #ifndef HAVE_IFADDRS_H flog(LOG_ERR, "Base6Interface not supported in %s, line %d", conf_file, num_lines); ABORT; #else struct ifaddrs *ifap = 0, *ifa = 0; struct AdvPrefix *next = prefix->next; if (prefix->PrefixLen != 64) { flog(LOG_ERR, "Only /64 is allowed with Base6Interface. %s:%d", conf_file, num_lines); ABORT; } if (getifaddrs(&ifap) != 0) flog(LOG_ERR, "getifaddrs failed: %s", strerror(errno)); for (ifa = ifap; ifa; ifa = ifa->ifa_next) { struct sockaddr_in6 *s6 = 0; struct sockaddr_in6 *mask = (struct sockaddr_in6 *)ifa->ifa_netmask; struct in6_addr base6prefix; char buf[INET6_ADDRSTRLEN]; int i; if (strncmp(ifa->ifa_name, prefix->if6, IFNAMSIZ)) continue; if (ifa->ifa_addr->sa_family != AF_INET6) continue; s6 = (struct sockaddr_in6 *)(ifa->ifa_addr); if (IN6_IS_ADDR_LINKLOCAL(&s6->sin6_addr)) continue; base6prefix = get_prefix6(&s6->sin6_addr, &mask->sin6_addr); for (i = 0; i < 8; ++i) { prefix->Prefix.s6_addr[i] &= ~mask->sin6_addr.s6_addr[i]; prefix->Prefix.s6_addr[i] |= base6prefix.s6_addr[i]; } memset(&prefix->Prefix.s6_addr[8], 0, 8); prefix->AdvRouterAddr = 1; prefix->AutoSelected = 1; prefix->next = next; if (inet_ntop(ifa->ifa_addr->sa_family, (void *)&(prefix->Prefix), buf, sizeof(buf)) == NULL) flog(LOG_ERR, "%s: inet_ntop failed in %s, line %d!", ifa->ifa_name, conf_file, num_lines); else dlog(LOG_DEBUG, 3, "auto-selected prefix %s/%d on interface %s from interface %s", buf, prefix->PrefixLen, iface->Name, ifa->ifa_name); /* Taking only one prefix from the Base6Interface. Taking more than one would require allocating new prefixes and building a list. I'm not sure how to do that from here. So for now, break. */ break; } if (ifap) freeifaddrs(ifap); #endif /* ifndef HAVE_IFADDRS_H */ } } $$ = prefix; prefix = NULL; } ; prefixhead : T_PREFIX IPV6ADDR '/' NUMBER { struct in6_addr zeroaddr; memset(&zeroaddr, 0, sizeof(zeroaddr)); if (!memcmp($2, &zeroaddr, sizeof(struct in6_addr))) { #ifndef HAVE_IFADDRS_H flog(LOG_ERR, "invalid all-zeros prefix in %s, line %d", conf_file, num_lines); ABORT; #else struct ifaddrs *ifap = 0, *ifa = 0; struct AdvPrefix *next = iface->AdvPrefixList; while (next) { if (next->AutoSelected) { flog(LOG_ERR, "auto selecting prefixes works only once per interface. See %s, line %d", conf_file, num_lines); ABORT; } next = next->next; } next = 0; dlog(LOG_DEBUG, 5, "all-zeros prefix in %s, line %d, parsing..", conf_file, num_lines); if (getifaddrs(&ifap) != 0) flog(LOG_ERR, "getifaddrs failed: %s", strerror(errno)); for (ifa = ifap; ifa; ifa = ifa->ifa_next) { struct sockaddr_in6 *s6 = (struct sockaddr_in6 *)ifa->ifa_addr; struct sockaddr_in6 *mask = (struct sockaddr_in6 *)ifa->ifa_netmask; char buf[INET6_ADDRSTRLEN]; if (strncmp(ifa->ifa_name, iface->Name, IFNAMSIZ)) continue; if (ifa->ifa_addr->sa_family != AF_INET6) continue; s6 = (struct sockaddr_in6 *)(ifa->ifa_addr); if (IN6_IS_ADDR_LINKLOCAL(&s6->sin6_addr)) continue; prefix = malloc(sizeof(struct AdvPrefix)); if (prefix == NULL) { flog(LOG_CRIT, "malloc failed: %s", strerror(errno)); ABORT; } prefix_init_defaults(prefix); prefix->Prefix = get_prefix6(&s6->sin6_addr, &mask->sin6_addr); prefix->AdvRouterAddr = 1; prefix->AutoSelected = 1; prefix->next = next; next = prefix; if (prefix->PrefixLen == 0) prefix->PrefixLen = count_mask(mask); if (inet_ntop(ifa->ifa_addr->sa_family, (void *)&(prefix->Prefix), buf, sizeof(buf)) == NULL) flog(LOG_ERR, "%s: inet_ntop failed in %s, line %d!", ifa->ifa_name, conf_file, num_lines); else dlog(LOG_DEBUG, 3, "auto-selected prefix %s/%d on interface %s", buf, prefix->PrefixLen, ifa->ifa_name); } if (!prefix) { flog(LOG_WARNING, "no auto-selected prefix on interface %s, disabling advertisements", iface->Name); } if (ifap) freeifaddrs(ifap); #endif /* ifndef HAVE_IFADDRS_H */ } else { prefix = malloc(sizeof(struct AdvPrefix)); if (prefix == NULL) { flog(LOG_CRIT, "malloc failed: %s", strerror(errno)); ABORT; } prefix_init_defaults(prefix); if ($4 > MAX_PrefixLen) { flog(LOG_ERR, "invalid prefix length in %s, line %d", conf_file, num_lines); ABORT; } prefix->PrefixLen = $4; memcpy(&prefix->Prefix, $2, sizeof(struct in6_addr)); } } ; optional_prefixplist: /* empty */ | '{' /* somewhat empty */ '}' | '{' prefixplist '}' ; prefixplist : prefixplist prefixparms | prefixparms ; prefixparms : T_AdvOnLink SWITCH ';' { if (prefix) { if (prefix->AutoSelected) { struct AdvPrefix *p = prefix; do { p->AdvOnLinkFlag = $2; p = p->next; } while (p && p->AutoSelected); } else prefix->AdvOnLinkFlag = $2; } } | T_AdvAutonomous SWITCH ';' { if (prefix) { if (prefix->AutoSelected) { struct AdvPrefix *p = prefix; do { p->AdvAutonomousFlag = $2; p = p->next; } while (p && p->AutoSelected); } else prefix->AdvAutonomousFlag = $2; } } | T_AdvRouterAddr SWITCH ';' { if (prefix) { if (prefix->AutoSelected && $2 == 0) flog(LOG_WARNING, "prefix automatically selected, AdvRouterAddr always enabled, ignoring config line %d", num_lines); else prefix->AdvRouterAddr = $2; } } | T_AdvValidLifetime number_or_infinity ';' { if (prefix) { if (prefix->AutoSelected) { struct AdvPrefix *p = prefix; do { p->AdvValidLifetime = $2; p->curr_validlft = $2; p = p->next; } while (p && p->AutoSelected); } else prefix->AdvValidLifetime = $2; prefix->curr_validlft = $2; } } | T_AdvPreferredLifetime number_or_infinity ';' { if (prefix) { if (prefix->AutoSelected) { struct AdvPrefix *p = prefix; do { p->AdvPreferredLifetime = $2; p->curr_preferredlft = $2; p = p->next; } while (p && p->AutoSelected); } else prefix->AdvPreferredLifetime = $2; prefix->curr_preferredlft = $2; } } | T_DeprecatePrefix SWITCH ';' { prefix->DeprecatePrefixFlag = $2; } | T_DecrementLifetimes SWITCH ';' { prefix->DecrementLifetimesFlag = $2; } | T_Base6Interface name ';' { if (prefix) { if (prefix->AutoSelected) { flog(LOG_ERR, "automatically selecting the prefix and Base6Interface are mutually exclusive"); ABORT; } /* fallthrough */ dlog(LOG_DEBUG, 4, "using prefixes on interface %s for prefixes on interface %s", $2, iface->Name); strncpy(prefix->if6, $2, IFNAMSIZ-1); prefix->if6[IFNAMSIZ-1] = '\0'; } } | T_Base6to4Interface name ';' { if (prefix) { if (prefix->AutoSelected) { flog(LOG_ERR, "automatically selecting the prefix and Base6to4Interface are mutually exclusive"); ABORT; } /* fallthrough */ dlog(LOG_DEBUG, 4, "using interface %s for 6to4 prefixes on interface %s", $2, iface->Name); strncpy(prefix->if6to4, $2, IFNAMSIZ-1); prefix->if6to4[IFNAMSIZ-1] = '\0'; } } ; routedef : routehead '{' optional_routeplist '}' ';' { $$ = route; route = NULL; } ; routehead : T_ROUTE IPV6ADDR '/' NUMBER { route = malloc(sizeof(struct AdvRoute)); if (route == NULL) { flog(LOG_CRIT, "malloc failed: %s", strerror(errno)); ABORT; } route_init_defaults(route, iface); if ($4 > MAX_PrefixLen) { flog(LOG_ERR, "invalid route prefix length in %s, line %d", conf_file, num_lines); ABORT; } route->PrefixLen = $4; memcpy(&route->Prefix, $2, sizeof(struct in6_addr)); } ; optional_routeplist: /* empty */ | routeplist ; routeplist : routeplist routeparms | routeparms ; routeparms : T_AdvRoutePreference SIGNEDNUMBER ';' { route->AdvRoutePreference = $2; } | T_AdvRouteLifetime number_or_infinity ';' { route->AdvRouteLifetime = $2; } | T_RemoveRoute SWITCH ';' { route->RemoveRouteFlag = $2; } ; rdnssdef : rdnsshead '{' optional_rdnssplist '}' ';' { $$ = rdnss; rdnss = NULL; } ; rdnssaddrs : rdnssaddrs rdnssaddr | rdnssaddr ; rdnssaddr : IPV6ADDR { if (!rdnss) { /* first IP found */ rdnss = malloc(sizeof(struct AdvRDNSS)); if (rdnss == NULL) { flog(LOG_CRIT, "malloc failed: %s", strerror(errno)); ABORT; } rdnss_init_defaults(rdnss, iface); } switch (rdnss->AdvRDNSSNumber) { case 0: memcpy(&rdnss->AdvRDNSSAddr1, $1, sizeof(struct in6_addr)); rdnss->AdvRDNSSNumber++; break; case 1: memcpy(&rdnss->AdvRDNSSAddr2, $1, sizeof(struct in6_addr)); rdnss->AdvRDNSSNumber++; break; case 2: memcpy(&rdnss->AdvRDNSSAddr3, $1, sizeof(struct in6_addr)); rdnss->AdvRDNSSNumber++; break; default: flog(LOG_CRIT, "Too many addresses in RDNSS section"); ABORT; } } ; rdnsshead : T_RDNSS rdnssaddrs { if (!rdnss) { flog(LOG_CRIT, "No address specified in RDNSS section"); ABORT; } } ; optional_rdnssplist: /* empty */ | rdnssplist ; rdnssplist : rdnssplist rdnssparms | rdnssparms ; rdnssparms : T_AdvRDNSSPreference NUMBER ';' { flog(LOG_WARNING, "Ignoring deprecated RDNSS preference."); } | T_AdvRDNSSOpenFlag SWITCH ';' { flog(LOG_WARNING, "Ignoring deprecated RDNSS open flag."); } | T_AdvRDNSSLifetime number_or_infinity ';' { if ($2 < iface->MaxRtrAdvInterval && $2 != 0) { flog(LOG_ERR, "AdvRDNSSLifetime must be at least MaxRtrAdvInterval"); ABORT; } if ($2 > 2*(iface->MaxRtrAdvInterval)) flog(LOG_WARNING, "Warning: AdvRDNSSLifetime <= 2*MaxRtrAdvInterval would allow stale DNS servers to be deleted faster"); rdnss->AdvRDNSSLifetime = $2; } | T_FlushRDNSS SWITCH ';' { rdnss->FlushRDNSSFlag = $2; } ; dnssldef : dnsslhead '{' optional_dnsslplist '}' ';' { $$ = dnssl; dnssl = NULL; } ; dnsslsuffixes : dnsslsuffixes dnsslsuffix | dnsslsuffix ; dnsslsuffix : STRING { char *ch; for (ch = $1;*ch != '\0';ch++) { if (*ch >= 'A' && *ch <= 'Z') continue; if (*ch >= 'a' && *ch <= 'z') continue; if (*ch >= '0' && *ch <= '9') continue; if (*ch == '-' || *ch == '.') continue; flog(LOG_CRIT, "Invalid domain suffix specified"); ABORT; } if (!dnssl) { /* first domain found */ dnssl = malloc(sizeof(struct AdvDNSSL)); if (dnssl == NULL) { flog(LOG_CRIT, "malloc failed: %s", strerror(errno)); ABORT; } dnssl_init_defaults(dnssl, iface); } dnssl->AdvDNSSLNumber++; dnssl->AdvDNSSLSuffixes = realloc(dnssl->AdvDNSSLSuffixes, dnssl->AdvDNSSLNumber * sizeof(char*)); if (dnssl->AdvDNSSLSuffixes == NULL) { flog(LOG_CRIT, "realloc failed: %s", strerror(errno)); ABORT; } dnssl->AdvDNSSLSuffixes[dnssl->AdvDNSSLNumber - 1] = strdup($1); } ; dnsslhead : T_DNSSL dnsslsuffixes { if (!dnssl) { flog(LOG_CRIT, "No domain specified in DNSSL section"); ABORT; } } ; optional_dnsslplist: /* empty */ | dnsslplist ; dnsslplist : dnsslplist dnsslparms | dnsslparms ; dnsslparms : T_AdvDNSSLLifetime number_or_infinity ';' { if ($2 < iface->MaxRtrAdvInterval && $2 != 0) { flog(LOG_ERR, "AdvDNSSLLifetime must be at least MaxRtrAdvInterval"); ABORT; } if ($2 > 2*(iface->MaxRtrAdvInterval)) flog(LOG_WARNING, "Warning: AdvDNSSLLifetime <= 2*MaxRtrAdvInterval would allow stale DNS suffixes to be deleted faster"); dnssl->AdvDNSSLLifetime = $2; } | T_FlushDNSSL SWITCH ';' { dnssl->FlushDNSSLFlag = $2; } ; number_or_infinity : NUMBER { $$ = $1; } | INFINITY { $$ = (uint32_t)~0; } ; %% static int countbits(int b) { int count; for (count = 0; b != 0; count++) { b &= b - 1; // this clears the LSB-most set bit } return (count); } static int count_mask(struct sockaddr_in6 *m) { struct in6_addr *in6 = &m->sin6_addr; int i; int count = 0; for (i = 0; i < 16; ++i) { count += countbits(in6->s6_addr[i]); } return count; } static struct in6_addr get_prefix6(struct in6_addr const *addr, struct in6_addr const *mask) { struct in6_addr prefix = *addr; int i = 0; for (; i < 16; ++i) { prefix.s6_addr[i] &= mask->s6_addr[i]; } return prefix; } static void cleanup(void) { if (iface) free(iface); if (prefix) free(prefix); if (route) free(route); if (rdnss) free(rdnss); if (dnssl) { int i; for (i = 0;i < dnssl->AdvDNSSLNumber;i++) free(dnssl->AdvDNSSLSuffixes[i]); free(dnssl->AdvDNSSLSuffixes); free(dnssl); } } static void yyerror(char *msg) { cleanup(); flog(LOG_ERR, "%s in %s, line %d: %s", msg, conf_file, num_lines, yytext); } radvd-1.9.1/timer.c0000664000175000017500000000231611721640116011032 00000000000000/* * * Authors: * Pedro Roque * Lars Fenneberg * * This software is Copyright 1996-2000 by the above mentioned author(s), * All Rights Reserved. * * The license which is distributed with this software in the file COPYRIGHT * applies to this software. If your distribution is missing this file, you * may request it from . * */ #include "radvd.h" struct timeval next_timeval(double next) { struct timeval tv; gettimeofday(&tv, NULL); tv.tv_sec += (int)next; tv.tv_usec += 1000000 * (next - (int)next); return tv; } int timevaldiff(struct timeval const *a, struct timeval const *b) { int msec; msec = (a->tv_sec - b->tv_sec) * 1000; msec += (a->tv_usec - b->tv_usec) / 1000; return msec; } /* Returns when the next time should expire in milliseconds. */ int next_time_msec(struct Interface const * iface) { struct timeval tv; int retval; gettimeofday(&tv, NULL); retval = timevaldiff(&iface->next_multicast, &tv); return retval >= 1 ? retval : 1; } int expired(struct Interface const * iface) { struct timeval tv; gettimeofday(&tv, NULL); if(timevaldiff(&iface->next_multicast, &tv) > 0) return 0; return 1; } radvd-1.9.1/redhat/0000775000175000017500000000000011770076226011104 500000000000000radvd-1.9.1/redhat/radvd.spec.in0000664000175000017500000000564611763430055013414 00000000000000 %define initdir %{_sysconfdir}/rc.d/init.d %define RADVD_UID 75 Summary: A Router Advertisement daemon Name: radvd Version: @VERSION@ Release: 1 # The code includes the advertising clause, so it's GPL-incompatible License: BSD with advertising Group: System Environment/Daemons URL: http://www.litech.org/radvd/ Source: http://www.litech.org/radvd/dist/%{name}-%{version}.tar.gz Requires(postun): chkconfig, initscripts Requires(preun): chkconfig, initscripts Requires(post): chkconfig Requires(pre): /usr/sbin/useradd BuildRequires: flex, byacc BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n) %description radvd is the router advertisement daemon for IPv6. It listens to router solicitations and sends router advertisements as described in "Neighbor Discovery for IP Version 6 (IPv6)" (RFC 2461). With these advertisements hosts can automatically configure their addresses and some other parameters. They also can choose a default router based on these advertisements. Install radvd if you are setting up IPv6 network and/or Mobile IPv6 services. %prep %setup -q %build export CFLAGS="$RPM_OPT_FLAGS -D_GNU_SOURCE -fPIE" export LDFLAGS='-pie -Wl,-z,relro,-z,now,-z,noexecstack,-z,nodlopen' %configure --with-pidfile=%{_localstatedir}/run/radvd/radvd.pid make # make %{?_smp_mflags} # Parallel builds still fail because seds that transform y.tab.x into # scanner/gram.x are not executed before compile of scanner/gram.x # %install [ $RPM_BUILD_ROOT != "/" ] && rm -rf $RPM_BUILD_ROOT make DESTDIR=$RPM_BUILD_ROOT install mkdir -p $RPM_BUILD_ROOT%{_sysconfdir}/sysconfig mkdir -p $RPM_BUILD_ROOT%{initdir} mkdir -p $RPM_BUILD_ROOT%{_localstatedir}/run/radvd install -m 644 redhat/radvd.conf.empty $RPM_BUILD_ROOT%{_sysconfdir}/radvd.conf install -m 755 redhat/radvd.init $RPM_BUILD_ROOT%{initdir}/radvd install -m 644 redhat/radvd.sysconfig $RPM_BUILD_ROOT%{_sysconfdir}/sysconfig/radvd install -d -m 755 $RPM_BUILD_ROOT%{_sysconfdir}/tmpfiles.d install -p -m 644 redhat/radvd-tmpfs.conf $RPM_BUILD_ROOT%{_sysconfdir}/tmpfiles.d/radvd.conf %clean [ $RPM_BUILD_ROOT != "/" ] && rm -rf $RPM_BUILD_ROOT %postun if [ "$1" -ge "1" ]; then /sbin/service radvd condrestart >/dev/null 2>&1 fi %post /sbin/chkconfig --add radvd %preun if [ $1 = 0 ]; then /sbin/service radvd stop >/dev/null 2>&1 /sbin/chkconfig --del radvd fi %pre getent group radvd >/dev/null || groupadd -g %RADVD_UID -r radvd getent passwd radvd >/dev/null || \ useradd -r -u %RADVD_UID -g radvd -d / -s /sbin/nologin -c "radvd user" radvd exit 0 %files %defattr(-,root,root,-) %doc COPYRIGHT README CHANGES INTRO.html TODO %config(noreplace) %{_sysconfdir}/radvd.conf %config(noreplace) %{_sysconfdir}/sysconfig/radvd %config(noreplace) %{_sysconfdir}/tmpfiles.d/radvd.conf %{initdir}/radvd %dir %attr(-,radvd,radvd) %{_localstatedir}/run/radvd/ %doc radvd.conf.example %{_mandir}/*/* %{_sbindir}/radvd %{_sbindir}/radvdump radvd-1.9.1/redhat/radvd-tmpfs.conf0000664000175000017500000000004211741044746014116 00000000000000d /var/run/radvd 0755 radvd radvd radvd-1.9.1/redhat/radvd.conf.empty0000664000175000017500000000066111741044746014133 00000000000000# NOTE: there is no such thing as a working "by-default" configuration file. # At least the prefix needs to be specified. Please consult the radvd.conf(5) # man page and/or /usr/share/doc/radvd-*/radvd.conf.example for help. # # #interface eth0 #{ # AdvSendAdvert on; # MinRtrAdvInterval 30; # MaxRtrAdvInterval 100; # prefix 2001:db8:1:0::/64 # { # AdvOnLink on; # AdvAutonomous on; # AdvRouterAddr off; # }; # #}; radvd-1.9.1/redhat/radvd.spec0000664000175000017500000000564211770076157013012 00000000000000 %define initdir %{_sysconfdir}/rc.d/init.d %define RADVD_UID 75 Summary: A Router Advertisement daemon Name: radvd Version: 1.9.1 Release: 1 # The code includes the advertising clause, so it's GPL-incompatible License: BSD with advertising Group: System Environment/Daemons URL: http://www.litech.org/radvd/ Source: http://www.litech.org/radvd/dist/%{name}-%{version}.tar.gz Requires(postun): chkconfig, initscripts Requires(preun): chkconfig, initscripts Requires(post): chkconfig Requires(pre): /usr/sbin/useradd BuildRequires: flex, byacc BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n) %description radvd is the router advertisement daemon for IPv6. It listens to router solicitations and sends router advertisements as described in "Neighbor Discovery for IP Version 6 (IPv6)" (RFC 2461). With these advertisements hosts can automatically configure their addresses and some other parameters. They also can choose a default router based on these advertisements. Install radvd if you are setting up IPv6 network and/or Mobile IPv6 services. %prep %setup -q %build export CFLAGS="$RPM_OPT_FLAGS -D_GNU_SOURCE -fPIE" export LDFLAGS='-pie -Wl,-z,relro,-z,now,-z,noexecstack,-z,nodlopen' %configure --with-pidfile=%{_localstatedir}/run/radvd/radvd.pid make # make %{?_smp_mflags} # Parallel builds still fail because seds that transform y.tab.x into # scanner/gram.x are not executed before compile of scanner/gram.x # %install [ $RPM_BUILD_ROOT != "/" ] && rm -rf $RPM_BUILD_ROOT make DESTDIR=$RPM_BUILD_ROOT install mkdir -p $RPM_BUILD_ROOT%{_sysconfdir}/sysconfig mkdir -p $RPM_BUILD_ROOT%{initdir} mkdir -p $RPM_BUILD_ROOT%{_localstatedir}/run/radvd install -m 644 redhat/radvd.conf.empty $RPM_BUILD_ROOT%{_sysconfdir}/radvd.conf install -m 755 redhat/radvd.init $RPM_BUILD_ROOT%{initdir}/radvd install -m 644 redhat/radvd.sysconfig $RPM_BUILD_ROOT%{_sysconfdir}/sysconfig/radvd install -d -m 755 $RPM_BUILD_ROOT%{_sysconfdir}/tmpfiles.d install -p -m 644 redhat/radvd-tmpfs.conf $RPM_BUILD_ROOT%{_sysconfdir}/tmpfiles.d/radvd.conf %clean [ $RPM_BUILD_ROOT != "/" ] && rm -rf $RPM_BUILD_ROOT %postun if [ "$1" -ge "1" ]; then /sbin/service radvd condrestart >/dev/null 2>&1 fi %post /sbin/chkconfig --add radvd %preun if [ $1 = 0 ]; then /sbin/service radvd stop >/dev/null 2>&1 /sbin/chkconfig --del radvd fi %pre getent group radvd >/dev/null || groupadd -g %RADVD_UID -r radvd getent passwd radvd >/dev/null || \ useradd -r -u %RADVD_UID -g radvd -d / -s /sbin/nologin -c "radvd user" radvd exit 0 %files %defattr(-,root,root,-) %doc COPYRIGHT README CHANGES INTRO.html TODO %config(noreplace) %{_sysconfdir}/radvd.conf %config(noreplace) %{_sysconfdir}/sysconfig/radvd %config(noreplace) %{_sysconfdir}/tmpfiles.d/radvd.conf %{initdir}/radvd %dir %attr(-,radvd,radvd) %{_localstatedir}/run/radvd/ %doc radvd.conf.example %{_mandir}/*/* %{_sbindir}/radvd %{_sbindir}/radvdump radvd-1.9.1/redhat/radvd.init0000664000175000017500000000341111741044746013010 00000000000000#! /bin/sh # # # chkconfig: - 54 46 # description: radvd is the router advertisement daemon for IPv6. It \ # listens to router solicitations and sends router \ # advertisements as described in "Neighbor Discovery for IP \ # Version 6 (IPv6)" (RFC 2461). With these advertisements \ # hosts can automatically configure their addresses and some \ # other parameters. They also can choose a default router \ # based on these advertisements. # # processname: radvd # pidfile: /var/run/radvd.pid # config: /etc/radvd.conf # config: /etc/sysconfig/radvd ### BEGIN INIT INFO # Provides: radvd # Short-Description: router advertisement daemon for IPv6 ### END INIT INFO # Source function library. . /etc/rc.d/init.d/functions # Get config. . /etc/sysconfig/network [ -f /etc/sysconfig/radvd ] && . /etc/sysconfig/radvd RETVAL=0 PROG="radvd" LOCKFILE=/var/lock/subsys/radvd # See how we were called. case "$1" in start) if [ ! -f /etc/radvd.conf ]; then echo $"Configuration file /etc/radvd.conf missing" 1>&2 exit 6 fi if [ `id -u` -ne 0 ]; then echo $"Insufficient privilege" 1>&2 exit 4 fi echo -n $"Starting $PROG: " daemon radvd $OPTIONS RETVAL=$? echo if [ $RETVAL -eq 0 ]; then touch $LOCKFILE else if [ -f $LOCKFILE ]; then RETVAL=0 fi fi ;; stop) echo -n $"Stopping $PROG: " killproc radvd RETVAL=$? echo [ $RETVAL -eq 0 ] && rm -f $LOCKFILE ;; status) status radvd RETVAL=$? ;; restart) $0 stop $0 start RETVAL=$? ;; reload|force-reload) echo -n $"Reloading $PROG: " killproc radvd -HUP RETVAL=$? echo ;; condrestart|try-restart) if [ -f $LOCKFILE ]; then $0 stop $0 start RETVAL=$? fi ;; *) echo $"Usage: $0 {start|stop|status|restart|try-restart|reload|force-reload}" exit 2 esac exit $RETVAL radvd-1.9.1/redhat/radvd.sysconfig0000664000175000017500000000027211741044746014053 00000000000000 # No chroot; /var/run/radvd must be owned by -u. OPTIONS="-u radvd" # Chroot; directory structure under /var/chroot/radvd has to be populated. #OPTIONS="-u radvd -t /var/chroot/radvd" radvd-1.9.1/install-sh0000755000175000017500000003253711770076146011572 00000000000000#!/bin/sh # install - install a program, script, or datafile scriptversion=2009-04-28.21; # 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]... [-T] SRCFILE DSTFILE or: $0 [OPTION]... SRCFILES... DIRECTORY or: $0 [OPTION]... -t DIRECTORY SRCFILES... or: $0 [OPTION]... -d DIRECTORIES... In the 1st form, copy SRCFILE to DSTFILE. In the 2nd and 3rd, copy all SRCFILES to DIRECTORY. In the 4th, create DIRECTORIES. Options: --help display this help and exit. --version display version info and exit. -c (ignored) -C install only if different (preserve the last data modification time) -d create directories instead of installing files. -g GROUP $chgrpprog installed files to GROUP. -m MODE $chmodprog installed files to MODE. -o USER $chownprog installed files to USER. -s $stripprog installed files. -t DIRECTORY install into DIRECTORY. -T report an error if DSTFILE is a directory. Environment variables override the default commands: CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG " while test $# -ne 0; do case $1 in -c) ;; -C) copy_on_change=true;; -d) dir_arg=true;; -g) chgrpcmd="$chgrpprog $2" shift;; --help) echo "$usage"; exit $?;; -m) mode=$2 case $mode in *' '* | *' '* | *' '* | *'*'* | *'?'* | *'['*) echo "$0: invalid mode: $mode" >&2 exit 1;; esac shift;; -o) chowncmd="$chownprog $2" shift;; -s) stripcmd=$stripprog;; -t) dst_arg=$2 shift;; -T) no_target_directory=true;; --version) echo "$0 $scriptversion"; exit $?;; --) shift break;; -*) echo "$0: invalid option: $1" >&2 exit 1;; *) break;; esac shift done if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then # When -d is used, all remaining arguments are directories to create. # When -t is used, the destination is already specified. # Otherwise, the last argument is the destination. 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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 -z "$d" && continue prefix=$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: radvd-1.9.1/radvdump.8.man0000664000175000017500000000427411721640116012240 00000000000000.\" .\" .\" Authors: .\" Lars Fenneberg .\" Marko Myllynen .\" .\" This software is Copyright 1996 by the above mentioned author(s), .\" All Rights Reserved. .\" .\" The license which is distributed with this software in the file COPYRIGHT .\" applies to this software. If your distribution is missing this file, you .\" may request it from . .\" .\" .\" .TH RADVDUMP 8 "31 Mar 2008" "radvd @VERSION@" "" .SH NAME radvdump \- dump router advertisements .SH SYNOPSIS .B radvdump .B "[ \-vhfe ]" .BI "[ \-d " debuglevel " ]" .SH DESCRIPTION .B radvdump prints out the contents of incoming router advertisements sent by .B radvd or some other software implementing (parts of) "Neighbor Discovery for IP Version 6 (IPv6)" (RFC 4861). .SH OPTIONS For every one character option there is also a long option, which is listed right next to the "short" option name: .TP .BR "\-v" , " \-\-version" Displays the version of .I radvdump and then aborts. .TP .BR "\-h" , " \-\-help" Displays a short usage description and then aborts. .TP .BR "\-f" , " \-\-file\-format" Output received router advertisements in the format of the .B radvd configuration file. Since radvd 0.9, this is the default and the switch is provided for backward compatibility only. .TP .BR "\-e" , " \-\-exclude-defaults" Exclude default valued options from configuration file format. This option is ignored if option .B "\-f" is not set. .TP .BR "\-d " debuglevel, " \-\-debug " debuglevel With this option you turn on debugging information. The debugging level is an integer in the range from 1 to 4, from quiet to very verbose. A debugging level of 0 completely turns off debugging. The default debugging level is 0. .SH FILES .nf @sbindir@/radvdump .fi .SH BUGS There certainly are some bugs. If you find them or have other suggestions please contact Pekka Savola . .SH "SEE ALSO" .BR radvd (8), .BR radvd.conf (5) .SH AUTHORS .nf Lars Fenneberg - previous maintainer Nathan Lutchansky - previous maintainer Pekka Savola - current maintainer Marko Myllynen - Mobile IPv6 support .fi radvd-1.9.1/log.c0000664000175000017500000000627511721640116010503 00000000000000/* * * Authors: * Lars Fenneberg * * This software is Copyright 1996,1997 by the above mentioned author(s), * All Rights Reserved. * * The license which is distributed with this software in the file * COPYRIGHT applies to this software. If your distribution is missing * this file, you may request it from . * */ #include "config.h" #include "includes.h" #include "radvd.h" static int log_method = L_NONE; static char *log_ident; static char *log_file; static FILE *log_file_fd; static int log_facility; static int debug_level = 0; int log_open(int method, char *ident, char *log, int facility) { log_method = method; log_ident = ident; switch (log_method) { case L_NONE: case L_STDERR: break; case L_STDERR_SYSLOG: /* fallthrough */ case L_SYSLOG: if (facility == -1) log_facility = LOG_DAEMON; else log_facility = facility; openlog(log_ident, LOG_PID, log_facility); break; case L_LOGFILE: if (!log) { fprintf(stderr, "%s: no logfile specified\n", log_ident); return (-1); } log_file = log; if ((log_file_fd = fopen(log_file, "a")) == NULL) { fprintf(stderr, "%s: can't open %s: %s\n", log_ident, log_file, strerror(errno)); return (-1); } break; default: fprintf(stderr, "%s: unknown logging method: %d\n", log_ident, log_method); log_method = L_NONE; return (-1); } return 0; } /* note: [dfv]log() is also called from root context */ static int vlog(int prio, char *format, va_list ap) { char tstamp[64], buff[1024]; struct tm *tm; time_t current; vsnprintf(buff, sizeof(buff), format, ap); switch (log_method) { case L_NONE: break; case L_SYSLOG: syslog(prio, "%s", buff); break; case L_STDERR_SYSLOG: syslog(prio, "%s", buff); if (prio > LOG_ERR) /* fall through for messages with high priority */ break; case L_STDERR: current = time(NULL); tm = localtime(¤t); (void) strftime(tstamp, sizeof(tstamp), LOG_TIME_FORMAT, tm); fprintf(stderr, "[%s] %s: %s\n", tstamp, log_ident, buff); fflush(stderr); break; case L_LOGFILE: current = time(NULL); tm = localtime(¤t); (void) strftime(tstamp, sizeof(tstamp), LOG_TIME_FORMAT, tm); fprintf(log_file_fd, "[%s] %s: %s\n", tstamp, log_ident, buff); fflush(log_file_fd); break; default: fprintf(stderr, "%s: unknown logging method: %d\n", log_ident, log_method); log_method = L_NONE; return (-1); } return 0; } void dlog(int prio, int level, char *format, ...) { va_list ap; if (debug_level < level) return; va_start(ap, format); vlog(prio, format, ap); va_end(ap); } void flog(int prio, char *format, ...) { va_list ap; va_start(ap, format); vlog(prio, format, ap); va_end(ap); } int log_close(void) { switch (log_method) { case L_NONE: case L_STDERR: break; case L_STDERR_SYSLOG: case L_SYSLOG: closelog(); break; case L_LOGFILE: fclose(log_file_fd); break; default: fprintf(stderr, "%s: unknown logging method: %d\n", log_ident, log_method); log_method = L_NONE; return (-1); } return 0; } void set_debuglevel(int level) { debug_level = level; } int get_debuglevel(void) { return debug_level; } radvd-1.9.1/defaults.h0000664000175000017500000001565411721640116011537 00000000000000/* * * Authors: * Lars Fenneberg * * This software is Copyright 1996,1997 by the above mentioned author(s), * All Rights Reserved. * * The license which is distributed with this software in the file COPYRIGHT * applies to this software. If your distribution is missing this file, you * may request it from . * */ #ifndef DEFAULTS_H #define DEFAULTS_H #include "config.h" #include "includes.h" #include "radvd.h" /* maximum message size for incoming and outgoing RSs and RAs */ #define MSG_SIZE_RECV 1500 #define MSG_SIZE_SEND 1452 #define MAX2(X,Y) ( (( X ) >= ( Y )) ? ( X ) : ( Y )) /* Router Configuration Variables: */ /* For each multicast interface: */ #define DFLT_IgnoreIfMissing 1 #define DFLT_AdvSendAdv 0 #define DFLT_MaxRtrAdvInterval 600 #define DFLT_MinRtrAdvInterval(iface) (0.33 * (iface)->MaxRtrAdvInterval) #define DFLT_AdvManagedFlag 0 #define DFLT_AdvOtherConfigFlag 0 #define DFLT_AdvLinkMTU 0 #define DFLT_AdvReachableTime 0 #define DFLT_AdvRetransTimer 0 #define DFLT_AdvCurHopLimit 64 /* as per RFC 1700 or the next incarnation of it :) */ #define DFLT_AdvDefaultLifetime(iface) MAX2(1, (int)(3.0 * (iface)->MaxRtrAdvInterval)) #define DFLT_MinDelayBetweenRAs MIN_DELAY_BETWEEN_RAS #define DFLT_AdvDefaultPreference 0 /* Options sent with RA */ #define DFLT_AdvSourceLLAddress 1 /* Each prefix has an associated: */ #define DFLT_AdvValidLifetime 86400 /* seconds */ #define DFLT_AdvOnLinkFlag 1 #define DFLT_AdvPreferredLifetime 14400 /* seconds */ #define DFLT_AdvAutonomousFlag 1 #define DFLT_DeprecatePrefixFlag 0 #define DFLT_DecrementLifetimesFlag 0 /* Each route has an associated: */ #define DFLT_AdvRouteLifetime(iface) (3 * (iface)->MaxRtrAdvInterval) #define DFLT_AdvRoutePreference 0 /* medium*/ #define DFLT_RemoveRouteFlag 1 /* RDNSS */ #define DFLT_AdvRDNSSLifetime(iface) (iface)->MaxRtrAdvInterval #define DFLT_FlushRDNSSFlag 1 /* DNSSL */ #define DFLT_AdvDNSSLLifetime(iface) (iface)->MaxRtrAdvInterval #define DFLT_FlushDNSSLFlag 1 /* Protocol (RFC4861) constants: */ /* Router constants: */ #define MAX_INITIAL_RTR_ADVERT_INTERVAL 16 #define MAX_INITIAL_RTR_ADVERTISEMENTS 3 #define MAX_FINAL_RTR_ADVERTISEMENTS 3 #define MIN_DELAY_BETWEEN_RAS 3.0 #define MIN_DELAY_BETWEEN_RAS_MIPv6 (30.0/1000.0) #define MAX_RA_DELAY_TIME (1000.0/2.0) /* milliseconds */ /* Host constants: */ #define MAX_RTR_SOLICITATION_DELAY 1 #define RTR_SOLICITATION_INTERVAL 4 #define MAX_RTR_SOLICITATIONS 3 /* Node constants: */ #define MAX_MULTICAST_SOLICIT 3 #define MAX_UNICAST_SOLICIT 3 #define MAX_ANYCAST_DELAY_TIME 1 #define MAX_NEIGHBOR_ADVERTISEMENT 3 #define REACHABLE_TIME 30000 /* milliseconds */ #define RETRANS_TIMER 1000 /* milliseconds */ #define DELAY_FIRST_PROBE_TIME 5 #define MIN_RANDOM_FACTOR (1.0/2.0) #define MAX_RANDOM_FACTOR (3.0/2.0) /* MAX and MIN (RFC4861), Mobile IPv6 extensions will override if in use */ #define MIN_MaxRtrAdvInterval 4 #define MAX_MaxRtrAdvInterval 1800 #define MIN_MinRtrAdvInterval 3 #define MAX_MinRtrAdvInterval(iface) (0.75 * (iface)->MaxRtrAdvInterval) #define MIN_AdvDefaultLifetime(iface) (MAX2(1,(iface)->MaxRtrAdvInterval)) #define MAX_AdvDefaultLifetime 9000 #define MIN_AdvLinkMTU 1280 #define MAX_AdvLinkMTU 131072 #define MIN_AdvReachableTime 100 #define MAX_AdvReachableTime 3600000 /* 1 hour in milliseconds */ #define MIN_AdvRetransTimer 10 #define MAX_AdvRetransTimer 3600000 #define MIN_AdvCurHopLimit 2 #define MAX_AdvCurHopLimit 255 #define MAX_PrefixLen 128 /* SLAAC (RFC4862) Constants and Derived Values */ #define MIN_AdvValidLifetime 7203 /* slight >2 hours in secs */ /* * Mobile IPv6 extensions, off by default */ #define DFLT_AdvRouterAddr 0 #define DFLT_AdvHomeAgentFlag 0 #define DFLT_AdvIntervalOpt 0 #define DFLT_AdvHomeAgentInfo 0 /* Option types (defined also at least in glibc 2.2's netinet/icmp6.h) */ #ifndef ND_OPT_RTR_ADV_INTERVAL #define ND_OPT_RTR_ADV_INTERVAL 7 #endif #ifndef ND_OPT_HOME_AGENT_INFO #define ND_OPT_HOME_AGENT_INFO 8 #endif /* de-facto codepoint used by many implementations was '9', the official IANA assignment is '24' */ #undef ND_OPT_ROUTE_INFORMATION #define ND_OPT_ROUTE_INFORMATION 24 /* XXX: some libc's like KAME already had nd_opt_route_info! */ struct nd_opt_route_info_local /* route information */ { uint8_t nd_opt_ri_type; uint8_t nd_opt_ri_len; uint8_t nd_opt_ri_prefix_len; uint8_t nd_opt_ri_flags_reserved; uint32_t nd_opt_ri_lifetime; struct in6_addr nd_opt_ri_prefix; }; /* the reserved field is 8 bits and we're interested of the middle two: 000xx000 */ #define ND_OPT_RI_PRF_SHIFT 3 #define ND_OPT_RI_PRF_MASK (3 << ND_OPT_RI_PRF_SHIFT) /* 00011000 = 0x18 */ #undef ND_OPT_RDNSS_INFORMATION #define ND_OPT_RDNSS_INFORMATION 25 /* */ struct nd_opt_rdnss_info_local { uint8_t nd_opt_rdnssi_type; uint8_t nd_opt_rdnssi_len; uint16_t nd_opt_rdnssi_pref_flag_reserved; uint32_t nd_opt_rdnssi_lifetime; struct in6_addr nd_opt_rdnssi_addr1; struct in6_addr nd_opt_rdnssi_addr2; struct in6_addr nd_opt_rdnssi_addr3; }; /* pref/flag/reserved field : yyyyx00000000000 (big endian) - 00000000yyyyx000 (little indian); where yyyy = pref, x = flag */ #if BYTE_ORDER == BIG_ENDIAN #define ND_OPT_RDNSSI_PREF_SHIFT 12 #else #define ND_OPT_RDNSSI_PREF_SHIFT 4 #endif #define ND_OPT_RDNSSI_PREF_MASK (0xf << ND_OPT_RDNSSI_PREF_SHIFT) #undef ND_OPT_DNSSL_INFORMATION #define ND_OPT_DNSSL_INFORMATION 31 /* */ struct nd_opt_dnssl_info_local { uint8_t nd_opt_dnssli_type; uint8_t nd_opt_dnssli_len; uint16_t nd_opt_dnssli_reserved; uint32_t nd_opt_dnssli_lifetime; unsigned char nd_opt_dnssli_suffixes[]; }; /* Flags */ #ifndef ND_RA_FLAG_HOME_AGENT #define ND_RA_FLAG_HOME_AGENT 0x20 #endif #ifndef ND_OPT_PI_FLAG_RADDR #define ND_OPT_PI_FLAG_RADDR 0x20 #endif #ifndef ND_OPT_RDNSSI_FLAG_S #if BYTE_ORDER == BIG_ENDIAN #define ND_OPT_RDNSSI_FLAG_S 0x0800 #else #define ND_OPT_RDNSSI_FLAG_S 0x0008 #endif #endif /* Configurable values */ #define DFLT_HomeAgentPreference 0 #define DFLT_HomeAgentLifetime(iface) ((iface)->AdvDefaultLifetime) /* Other */ #define MIN_MinRtrAdvInterval_MIPv6 (3.0/100.0) #define MIN_MaxRtrAdvInterval_MIPv6 (7.0/100.0) #define RTR_SOLICITATION_INTERVAL_MIPv6 1 /* Recommended value by MIPv6 */ #define Cautious_MaxRtrAdvInterval (2.0/10.0) #define Cautious_MaxRtrAdvInterval_Leeway (2.0/100.0) #define MIN_HomeAgentLifetime 1 /* 0 must NOT be used */ #define MAX_HomeAgentLifetime 65520 /* 18.2 hours in secs */ /* #define MAX_RTR_SOLICITATIONS This MAY be ignored by MIPv6 */ /* NEMO extensions, off by default */ #define DFLT_AdvMobRtrSupportFlag 0 /* Flags */ #ifndef ND_OPT_HAI_FLAG_SUPPORT_MR #if BYTE_ORDER == BIG_ENDIAN #define ND_OPT_HAI_FLAG_SUPPORT_MR 0x8000 #else /* BYTE_ORDER == LITTLE_ENDIAN */ #define ND_OPT_HAI_FLAG_SUPPORT_MR 0x0080 #endif #endif #endif radvd-1.9.1/send.c0000664000175000017500000003521711763430055010656 00000000000000/* * * Authors: * Pedro Roque * Lars Fenneberg * * This software is Copyright 1996,1997 by the above mentioned author(s), * All Rights Reserved. * * The license which is distributed with this software in the file COPYRIGHT * applies to this software. If your distribution is missing this file, you * may request it from . * */ #include "config.h" #include "includes.h" #include "radvd.h" /* * Sends an advertisement for all specified clients of this interface * (or via broadcast, if there are no restrictions configured). * * If a destination address is given, the RA will be sent to the destination * address only, but only if it was configured. * */ int send_ra_forall(struct Interface *iface, struct in6_addr *dest) { struct Clients *current; /* If no list of clients was specified for this interface, we broadcast */ if (iface->ClientList == NULL) return send_ra(iface, dest); /* If clients are configured, send the advertisement to all of them via unicast */ for (current = iface->ClientList; current; current = current->next) { char address_text[INET6_ADDRSTRLEN]; memset(address_text, 0, sizeof(address_text)); if (get_debuglevel() >= 5) inet_ntop(AF_INET6, ¤t->Address, address_text, INET6_ADDRSTRLEN); /* If a non-authorized client sent a solicitation, ignore it (logging later) */ if (dest != NULL && memcmp(dest, ¤t->Address, sizeof(struct in6_addr)) != 0) continue; dlog(LOG_DEBUG, 5, "Sending RA to %s", address_text); send_ra(iface, &(current->Address)); /* If we should only send the RA to a specific address, we are done */ if (dest != NULL) return 0; } if (dest == NULL) return 0; /* If we refused a client's solicitation, log it if debugging is high enough */ char address_text[INET6_ADDRSTRLEN]; memset(address_text, 0, sizeof(address_text)); if (get_debuglevel() >= 5) inet_ntop(AF_INET6, dest, address_text, INET6_ADDRSTRLEN); dlog(LOG_DEBUG, 5, "Not answering request from %s, not configured", address_text); return 0; } static void send_ra_inc_len(size_t *len, int add) { *len += add; if(*len >= MSG_SIZE_SEND) { flog(LOG_ERR, "Too many prefixes, routes, rdnss or dnssl to fit in buffer. Exiting."); exit(1); } } static time_t time_diff_secs(const struct timeval *time_x, const struct timeval *time_y) { time_t secs_diff; secs_diff = time_x->tv_sec - time_y->tv_sec; if ((time_x->tv_usec - time_y->tv_usec) >= 500000) secs_diff++; return secs_diff; } static void decrement_lifetime(const time_t secs, uint32_t *lifetime) { if (*lifetime > secs) { *lifetime -= secs; } else { *lifetime = 0; } } static void cease_adv_pfx_msg(const char *if_name, struct in6_addr *pfx, const int pfx_len) { char pfx_str[INET6_ADDRSTRLEN]; print_addr(pfx, pfx_str); dlog(LOG_DEBUG, 3, "Will cease advertising %s/%u%%%s, preferred lifetime is 0", pfx_str, pfx_len, if_name); } int send_ra(struct Interface *iface, struct in6_addr *dest) { uint8_t all_hosts_addr[] = {0xff,0x02,0,0,0,0,0,0,0,0,0,0,0,0,0,1}; struct sockaddr_in6 addr; struct in6_pktinfo *pkt_info; struct msghdr mhdr; struct cmsghdr *cmsg; struct iovec iov; char __attribute__((aligned(8))) chdr[CMSG_SPACE(sizeof(struct in6_pktinfo))]; struct nd_router_advert *radvert; struct AdvPrefix *prefix; struct AdvRoute *route; struct AdvRDNSS *rdnss; struct AdvDNSSL *dnssl; struct timeval time_now; time_t secs_since_last_ra; char addr_str[INET6_ADDRSTRLEN]; unsigned char buff[MSG_SIZE_SEND]; size_t buff_dest = 0; size_t len = 0; ssize_t err; /* First we need to check that the interface hasn't been removed or deactivated */ if(check_device(iface) < 0) { if (iface->IgnoreIfMissing) /* a bit more quiet warning message.. */ dlog(LOG_DEBUG, 4, "interface %s does not exist, ignoring the interface", iface->Name); else { flog(LOG_WARNING, "interface %s does not exist, ignoring the interface", iface->Name); } iface->HasFailed = 1; /* not really a 'success', but we need to schedule new timers.. */ return 0; } else { /* check_device was successful, act if it has failed previously */ if (iface->HasFailed == 1) { flog(LOG_WARNING, "interface %s seems to have come back up, trying to reinitialize", iface->Name); iface->HasFailed = 0; /* * return -1 so timer_handler() doesn't schedule new timers, * reload_config() will kick off new timers anyway. This avoids * timer list corruption. */ reload_config(); return -1; } } /* Make sure that we've joined the all-routers multicast group */ if (check_allrouters_membership(iface) < 0) flog(LOG_WARNING, "problem checking all-routers membership on %s", iface->Name); dlog(LOG_DEBUG, 3, "sending RA on %s", iface->Name); if (dest == NULL) { dest = (struct in6_addr *)all_hosts_addr; gettimeofday(&iface->last_multicast, NULL); } gettimeofday(&time_now, NULL); secs_since_last_ra = time_diff_secs(&time_now, &iface->last_ra_time); if (secs_since_last_ra < 0) { secs_since_last_ra = 0; flog(LOG_WARNING, "gettimeofday() went backwards!"); } iface->last_ra_time = time_now; memset((void *)&addr, 0, sizeof(addr)); addr.sin6_family = AF_INET6; addr.sin6_port = htons(IPPROTO_ICMPV6); memcpy(&addr.sin6_addr, dest, sizeof(struct in6_addr)); memset(buff, 0, sizeof(buff)); radvert = (struct nd_router_advert *) buff; send_ra_inc_len(&len, sizeof(struct nd_router_advert)); radvert->nd_ra_type = ND_ROUTER_ADVERT; radvert->nd_ra_code = 0; radvert->nd_ra_cksum = 0; radvert->nd_ra_curhoplimit = iface->AdvCurHopLimit; radvert->nd_ra_flags_reserved = (iface->AdvManagedFlag)?ND_RA_FLAG_MANAGED:0; radvert->nd_ra_flags_reserved |= (iface->AdvOtherConfigFlag)?ND_RA_FLAG_OTHER:0; /* Mobile IPv6 ext */ radvert->nd_ra_flags_reserved |= (iface->AdvHomeAgentFlag)?ND_RA_FLAG_HOME_AGENT:0; if (iface->cease_adv) { radvert->nd_ra_router_lifetime = 0; } else { /* if forwarding is disabled, send zero router lifetime */ radvert->nd_ra_router_lifetime = !check_ip6_forwarding() ? htons(iface->AdvDefaultLifetime) : 0; } radvert->nd_ra_flags_reserved |= (iface->AdvDefaultPreference << ND_OPT_RI_PRF_SHIFT) & ND_OPT_RI_PRF_MASK; radvert->nd_ra_reachable = htonl(iface->AdvReachableTime); radvert->nd_ra_retransmit = htonl(iface->AdvRetransTimer); prefix = iface->AdvPrefixList; /* * add prefix options */ while(prefix) { if( prefix->enabled && (!prefix->DecrementLifetimesFlag || prefix->curr_preferredlft > 0) ) { struct nd_opt_prefix_info *pinfo; pinfo = (struct nd_opt_prefix_info *) (buff + len); send_ra_inc_len(&len, sizeof(*pinfo)); pinfo->nd_opt_pi_type = ND_OPT_PREFIX_INFORMATION; pinfo->nd_opt_pi_len = 4; pinfo->nd_opt_pi_prefix_len = prefix->PrefixLen; pinfo->nd_opt_pi_flags_reserved = (prefix->AdvOnLinkFlag)?ND_OPT_PI_FLAG_ONLINK:0; pinfo->nd_opt_pi_flags_reserved |= (prefix->AdvAutonomousFlag)?ND_OPT_PI_FLAG_AUTO:0; /* Mobile IPv6 ext */ pinfo->nd_opt_pi_flags_reserved |= (prefix->AdvRouterAddr)?ND_OPT_PI_FLAG_RADDR:0; if (iface->cease_adv && prefix->DeprecatePrefixFlag) { /* RFC4862, 5.5.3, step e) */ pinfo->nd_opt_pi_valid_time = htonl(MIN_AdvValidLifetime); pinfo->nd_opt_pi_preferred_time = 0; } else { if (prefix->DecrementLifetimesFlag) { decrement_lifetime(secs_since_last_ra, &prefix->curr_validlft); decrement_lifetime(secs_since_last_ra, &prefix->curr_preferredlft); if (prefix->curr_preferredlft == 0) cease_adv_pfx_msg(iface->Name, &prefix->Prefix, prefix->PrefixLen); } pinfo->nd_opt_pi_valid_time = htonl(prefix->curr_validlft); pinfo->nd_opt_pi_preferred_time = htonl(prefix->curr_preferredlft); } pinfo->nd_opt_pi_reserved2 = 0; memcpy(&pinfo->nd_opt_pi_prefix, &prefix->Prefix, sizeof(struct in6_addr)); print_addr(&prefix->Prefix, addr_str); dlog(LOG_DEBUG, 5, "adding prefix %s to advert for %s", addr_str, iface->Name); } prefix = prefix->next; } route = iface->AdvRouteList; /* * add route options */ while(route) { struct nd_opt_route_info_local *rinfo; rinfo = (struct nd_opt_route_info_local *) (buff + len); send_ra_inc_len(&len, sizeof(*rinfo)); rinfo->nd_opt_ri_type = ND_OPT_ROUTE_INFORMATION; /* XXX: the prefixes are allowed to be sent in smaller chunks as well */ rinfo->nd_opt_ri_len = 3; rinfo->nd_opt_ri_prefix_len = route->PrefixLen; rinfo->nd_opt_ri_flags_reserved = (route->AdvRoutePreference << ND_OPT_RI_PRF_SHIFT) & ND_OPT_RI_PRF_MASK; if (iface->cease_adv && route->RemoveRouteFlag) { rinfo->nd_opt_ri_lifetime = 0; } else { rinfo->nd_opt_ri_lifetime = htonl(route->AdvRouteLifetime); } memcpy(&rinfo->nd_opt_ri_prefix, &route->Prefix, sizeof(struct in6_addr)); route = route->next; } rdnss = iface->AdvRDNSSList; /* * add rdnss options */ while(rdnss) { struct nd_opt_rdnss_info_local *rdnssinfo; rdnssinfo = (struct nd_opt_rdnss_info_local *) (buff + len); send_ra_inc_len(&len, sizeof(*rdnssinfo) - (3-rdnss->AdvRDNSSNumber)*sizeof(struct in6_addr)); rdnssinfo->nd_opt_rdnssi_type = ND_OPT_RDNSS_INFORMATION; rdnssinfo->nd_opt_rdnssi_len = 1 + 2*rdnss->AdvRDNSSNumber; rdnssinfo->nd_opt_rdnssi_pref_flag_reserved = 0; if (iface->cease_adv && rdnss->FlushRDNSSFlag) { rdnssinfo->nd_opt_rdnssi_lifetime = 0; } else { rdnssinfo->nd_opt_rdnssi_lifetime = htonl(rdnss->AdvRDNSSLifetime); } memcpy(&rdnssinfo->nd_opt_rdnssi_addr1, &rdnss->AdvRDNSSAddr1, sizeof(struct in6_addr)); memcpy(&rdnssinfo->nd_opt_rdnssi_addr2, &rdnss->AdvRDNSSAddr2, sizeof(struct in6_addr)); memcpy(&rdnssinfo->nd_opt_rdnssi_addr3, &rdnss->AdvRDNSSAddr3, sizeof(struct in6_addr)); rdnss = rdnss->next; } dnssl = iface->AdvDNSSLList; /* * add dnssl options */ while(dnssl) { struct nd_opt_dnssl_info_local *dnsslinfo; int const start_len = len; int i; dnsslinfo = (struct nd_opt_dnssl_info_local *) (buff + len); send_ra_inc_len(&len, sizeof(dnsslinfo->nd_opt_dnssli_type) + sizeof(dnsslinfo->nd_opt_dnssli_len) + sizeof(dnsslinfo->nd_opt_dnssli_reserved) + sizeof(dnsslinfo->nd_opt_dnssli_lifetime) ); dnsslinfo->nd_opt_dnssli_type = ND_OPT_DNSSL_INFORMATION; dnsslinfo->nd_opt_dnssli_reserved = 0; if (iface->cease_adv && dnssl->FlushDNSSLFlag) { dnsslinfo->nd_opt_dnssli_lifetime = 0; } else { dnsslinfo->nd_opt_dnssli_lifetime = htonl(dnssl->AdvDNSSLLifetime); } for (i = 0; i < dnssl->AdvDNSSLNumber; i++) { char *label; int label_len; label = dnssl->AdvDNSSLSuffixes[i]; while (label[0] != '\0') { if (strchr(label, '.') == NULL) label_len = strlen(label); else label_len = strchr(label, '.') - label; buff_dest = len; send_ra_inc_len(&len, 1); buff[buff_dest] = label_len; buff_dest = len; send_ra_inc_len(&len, label_len); memcpy(buff + buff_dest, label, label_len); label += label_len; if (label[0] == '.') label++; if (label[0] == '\0') { buff_dest = len; send_ra_inc_len(&len, 1); buff[buff_dest] = 0; } } } dnsslinfo->nd_opt_dnssli_len = (len - start_len) / 8; if ( (len - start_len) % 8 != 0 ) { send_ra_inc_len(&len, 8 - (len - start_len) % 8); ++dnsslinfo->nd_opt_dnssli_len; } dnssl = dnssl->next; } /* * add MTU option */ if (iface->AdvLinkMTU != 0) { struct nd_opt_mtu *mtu; mtu = (struct nd_opt_mtu *) (buff + len); send_ra_inc_len(&len, sizeof(*mtu)); mtu->nd_opt_mtu_type = ND_OPT_MTU; mtu->nd_opt_mtu_len = 1; mtu->nd_opt_mtu_reserved = 0; mtu->nd_opt_mtu_mtu = htonl(iface->AdvLinkMTU); } /* * add Source Link-layer Address option */ if (iface->AdvSourceLLAddress && iface->if_hwaddr_len > 0) { uint8_t *ucp; unsigned int i; ucp = (uint8_t *) (buff + len); send_ra_inc_len(&len, 2 * sizeof(uint8_t)); *ucp++ = ND_OPT_SOURCE_LINKADDR; *ucp++ = (uint8_t) ((iface->if_hwaddr_len + 16 + 63) >> 6); i = (iface->if_hwaddr_len + 7) >> 3; buff_dest = len; send_ra_inc_len(&len, i); memcpy(buff + buff_dest, iface->if_hwaddr, i); } /* * Mobile IPv6 ext: Advertisement Interval Option to support * movement detection of mobile nodes */ if(iface->AdvIntervalOpt) { struct AdvInterval a_ival; uint32_t ival; if(iface->MaxRtrAdvInterval < Cautious_MaxRtrAdvInterval){ ival = ((iface->MaxRtrAdvInterval + Cautious_MaxRtrAdvInterval_Leeway ) * 1000); } else { ival = (iface->MaxRtrAdvInterval * 1000); } a_ival.type = ND_OPT_RTR_ADV_INTERVAL; a_ival.length = 1; a_ival.reserved = 0; a_ival.adv_ival = htonl(ival); buff_dest = len; send_ra_inc_len(&len, sizeof(a_ival)); memcpy(buff + buff_dest, &a_ival, sizeof(a_ival)); } /* * Mobile IPv6 ext: Home Agent Information Option to support * Dynamic Home Agent Address Discovery */ if(iface->AdvHomeAgentInfo && (iface->AdvMobRtrSupportFlag || iface->HomeAgentPreference != 0 || iface->HomeAgentLifetime != iface->AdvDefaultLifetime)) { struct HomeAgentInfo ha_info; ha_info.type = ND_OPT_HOME_AGENT_INFO; ha_info.length = 1; ha_info.flags_reserved = (iface->AdvMobRtrSupportFlag)?ND_OPT_HAI_FLAG_SUPPORT_MR:0; ha_info.preference = htons(iface->HomeAgentPreference); ha_info.lifetime = htons(iface->HomeAgentLifetime); buff_dest = len; send_ra_inc_len(&len, sizeof(ha_info)); memcpy(buff + buff_dest, &ha_info, sizeof(ha_info)); } iov.iov_len = len; iov.iov_base = (caddr_t) buff; memset(chdr, 0, sizeof(chdr)); cmsg = (struct cmsghdr *) chdr; cmsg->cmsg_len = CMSG_LEN(sizeof(struct in6_pktinfo)); cmsg->cmsg_level = IPPROTO_IPV6; cmsg->cmsg_type = IPV6_PKTINFO; pkt_info = (struct in6_pktinfo *)CMSG_DATA(cmsg); pkt_info->ipi6_ifindex = iface->if_index; dlog(LOG_DEBUG, 4, "using if_index %d for interface %s", iface->if_index, iface->Name); memcpy(&pkt_info->ipi6_addr, &iface->if_addr, sizeof(struct in6_addr)); #ifdef HAVE_SIN6_SCOPE_ID if (IN6_IS_ADDR_LINKLOCAL(&addr.sin6_addr) || IN6_IS_ADDR_MC_LINKLOCAL(&addr.sin6_addr)) addr.sin6_scope_id = iface->if_index; #endif memset(&mhdr, 0, sizeof(mhdr)); mhdr.msg_name = (caddr_t)&addr; mhdr.msg_namelen = sizeof(struct sockaddr_in6); mhdr.msg_iov = &iov; mhdr.msg_iovlen = 1; 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" >&6; } if ${ac_cv_path_SED+:} false; then : $as_echo_n "(cached) " >&6 else case $SED in [\\/]* | ?:[\\/]*) ac_cv_path_SED="$SED" # Let the user override the test with a path. ;; *) 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_path_SED="$as_dir/$ac_word$ac_exec_ext" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS test -z "$ac_cv_path_SED" && ac_cv_path_SED="NOTFOUND" ;; esac fi SED=$ac_cv_path_SED if test -n "$SED"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $SED" >&5 $as_echo "$SED" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$SED" = xNOTFOUND; then as_fn_error $? "can't find sed in your path - check PATH" "$LINENO" 5 fi # Extract the first word of "ln", so it can be a program name with args. set dummy ln; 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_path_LN+:} false; then : $as_echo_n "(cached) " >&6 else case $LN in [\\/]* | ?:[\\/]*) ac_cv_path_LN="$LN" # Let the user override the test with a path. ;; *) 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_path_LN="$as_dir/$ac_word$ac_exec_ext" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS ;; esac fi LN=$ac_cv_path_LN if test -n "$LN"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LN" >&5 $as_echo "$LN" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi for ac_prog in 'bison -y' byacc do # Extract the first word of "$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... 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" >&6; } if ${ac_cv_lib_lex+:} false; then : $as_echo_n "(cached) " >&6 else ac_save_LIBS=$LIBS ac_cv_lib_lex='none needed' for ac_lib in '' -lfl -ll; do LIBS="$ac_lib $ac_save_LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ `cat $LEX_OUTPUT_ROOT.c` _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_lex=$ac_lib fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext test "$ac_cv_lib_lex" != 'none needed' && break done LIBS=$ac_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_lex" >&5 $as_echo "$ac_cv_lib_lex" >&6; } test "$ac_cv_lib_lex" != 'none needed' && LEXLIB=$ac_cv_lib_lex fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether yytext is a pointer" >&5 $as_echo_n "checking whether yytext is a pointer... " >&6; } if ${ac_cv_prog_lex_yytext_pointer+:} false; then : $as_echo_n "(cached) " >&6 else # POSIX says lex can declare yytext either as a pointer or an array; the # default is implementation-dependent. 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"can't continue without libinet6.a library - check your LDFLAGS" "$LINENO" 5 fi fi # prevent caching unset ac_cv_lib_inet6_inet_ntop if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}pkg-config", so it can be a program name with args. set dummy ${ac_tool_prefix}pkg-config; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... 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When coming back to configure, we # need to make the FD available again. if test "$no_create" != yes; then ac_cs_success=: ac_config_status_args= test "$silent" = yes && ac_config_status_args="$ac_config_status_args --quiet" exec 5>/dev/null $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false exec 5>>config.log # Use ||, not &&, to avoid exiting from the if with $? = 1, which # would make configure fail if this is the last instruction. $ac_cs_success || as_fn_exit 1 fi if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5 $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;} fi cat << EOF Your build configuration: CFLAGS = $CFLAGS LDFLAGS = $LDFLAGS Arch = ${arch} Extras: ${CONDITIONAL_SOURCES} prefix: $prefix PID file: $PATH_RADVD_PID Log file: $PATH_RADVD_LOG Config file: $PATH_RADVD_CONF Radvd version: $VERSION EOF radvd-1.9.1/pathnames.h0000664000175000017500000000302411721640116011674 00000000000000/* * * Authors: * Pedro Roque * Lars Fenneberg * * This software is Copyright 1996,1997 by the above mentioned author(s), * All Rights Reserved. * * The license which is distributed with this software in the file COPYRIGHT * applies to this software. If your distribution is missing this file, you * may request it from . * */ #ifndef PATHNAMES_H #define PATHNAMES_H #ifndef PATH_RADVD_CONF #define PATH_RADVD_CONF "/etc/radvd.conf" #endif #ifndef PATH_RADVD_PID #define PATH_RADVD_PID "/var/run/radvd.pid" #endif #ifndef PATH_RADVD_LOG #define PATH_RADVD_LOG "/var/log/radvd.log" #endif #define PATH_PROC_NET_IF_INET6 "/proc/net/if_inet6" #define PATH_PROC_NET_IGMP6 "/proc/net/igmp6" #ifdef __linux__ #define SYSCTL_IP6_FORWARDING CTL_NET, NET_IPV6, NET_IPV6_CONF, NET_PROTO_CONF_ALL, NET_IPV6_FORWARDING #define PROC_SYS_IP6_FORWARDING "/proc/sys/net/ipv6/conf/all/forwarding" #define PROC_SYS_IP6_LINKMTU "/proc/sys/net/ipv6/conf/%s/mtu" #define PROC_SYS_IP6_CURHLIM "/proc/sys/net/ipv6/conf/%s/hop_limit" #define PROC_SYS_IP6_BASEREACHTIME_MS "/proc/sys/net/ipv6/neigh/%s/base_reachable_time_ms" #define PROC_SYS_IP6_BASEREACHTIME "/proc/sys/net/ipv6/neigh/%s/base_reachable_time" #define PROC_SYS_IP6_RETRANSTIMER_MS "/proc/sys/net/ipv6/neigh/%s/retrans_time_ms" #define PROC_SYS_IP6_RETRANSTIMER "/proc/sys/net/ipv6/neigh/%s/retrans_time" #else /* BSD */ #define SYSCTL_IP6_FORWARDING CTL_NET, PF_INET6, IPPROTO_IPV6, IPV6CTL_FORWARDING #endif #endif radvd-1.9.1/radvd.8.man0000664000175000017500000001227211721640116011513 00000000000000.\" .\" .\" Authors: .\" Lars Fenneberg .\" .\" This software is Copyright 1996-2000 by the above mentioned author(s), .\" All Rights Reserved. .\" .\" The license which is distributed with this software in the file COPYRIGHT .\" applies to this software. If your distribution is missing this file, you .\" may request it from . .\" .\" .\" .TH RADVD 8 "14 Dec 2010" "radvd @VERSION@" "" .SH NAME radvd \- router advertisement daemon for IPv6 .SH SYNOPSIS .B radvd .B "[ \-hsvc ]" .BI "[ \-d " debuglevel " ]" .BI "[ \-C " configfile " ]" .BI "[ \-p " pidfile " ]" .BI "[ \-m " logmethod " ]" .BI "[ \-l " logfile " ]" .BI "[ \-f " facility " ]" .BI "[ \-t " chrootdir " ]" .BI "[ \-u " username " ]" .SH DESCRIPTION .B radvd is the router advertisement daemon for IPv6. It listens to router solicitations and sends router advertisements as described in "Neighbor Discovery for IP Version 6 (IPv6)" (RFC 4861). With these advertisements hosts can automatically configure their addresses and some other parameters. They also can choose a default router based on these advertisements. Note that if debugging is not enabled, .B radvd will not start if IPv6 forwarding is disabled. IPv6 forwarding can be controlled via sysctl(8), .B net.ipv6.conf.all.forwarding on Linux or .B net.inet6.ip6.forwarding on BSD. Similarly, the configuration file must not be writable by others, and if non-root operation is requested, not even by self/own group. .SH OPTIONS For every one character option there is also a long option, which is listed right next to the "short" option name: .TP .BR "\-v" , " \-\-version" Displays the version of .I radvd and then aborts. .TP .BR "\-h" , " \-\-help" Displays a short usage description and then aborts. .TP .BR "\-s" , " \-\-singleprocess" On Linux if .I username is specified, privilege separation is enabled and there will be two processes. This option disables privilege separation, and as a result, the non-privileged radvd process does not have permissions to change interface configuration. .TP .BR "\-c" , " \-\-configtest" Test configuration and do startup tests and then exit. .TP .BR "\-d " debuglevel, " \-\-debug " debuglevel With this option you turn on debugging information. The debugging level is an integer in the range from 1 to 5, from quiet to very verbose. A debugging level of 0 completely turns off debugging. If a debugging level greater than 0 is used, .I radvd doesn't background itself on start. The default debugging level is 0. .TP .BR "\-C " configfile, " \-\-config " configfile Specifies an alternate config file. Normally the compiled in default .I @PATH_RADVD_CONF@ is used. .TP .BR "\-p " pidfile, " \-\-pidfile " pidfile Specifies an alternate pidfile. Normally the compiled in default .I @PATH_RADVD_PID@ is used. .TP .BR "\-m " method, " \-\-logmethod " method Specifies the logging method to use. Possibly values are: .RS .TP .B none Completely disables any logging. .TP .B logfile Logs to the logfile which is specified by the .I \-l option. If no logfile is specified on the command line, then a compiled in default is used (see next option). .TP .B stderr Logs to standard error. .TP .B stderr_syslog Logs only the high messages (of at least LOG_ERR priority) to standard error, and everything to syslog (default method). .TP .B syslog Logs to syslog. .RE .PP .TP .BR "\-l " logfile, " \-\-logfile " logfile Specifies the logfile to use when using the logging method .IR logfile . The default logfile is .IR @PATH_RADVD_LOG@ . .TP .BR "\-f " facility, " \-\-facility " facility Specifies the facility (as an integer) when using syslog logging. Default is @LOG_FACILITY@. .TP .BR "\-t " chrootdir, " \-\-chrootdir " chrootdir If specified, switches to .I chrootdir before doing anything else. This directory and its subdirectories must have been populated first. For security reasons, .I \-u must always be used when using .IR chrootdir . Note that on Linux .I radvd requires access to the .I /proc filesystem, so it is more challenging to set up the chroot environment. .TP .BR "\-u " username, " \-\-username " username If specified, drops root privileges and changes user ID to .I username and group ID to the primary group of .IR username . This is recommended for security reasons. You might also need to use .I \-p to point to a file in a .I username -writable directory (e.g. /var/run/radvd/radvd.pid). .SH FILES .nf @sbindir@/radvd @PATH_RADVD_CONF@ @PATH_RADVD_PID@ @PATH_RADVD_LOG@ .fi .SH BUGS There certainly are some bugs. If you find them or have other suggestions please contact Pekka Savola . .SH "SEE ALSO" .BR radvd.conf (5), .BR radvdump (8) .SH AUTHORS .nf Pedro Roque - wrote first version for Linux Lars Fenneberg - previous maintainer Nathan Lutchansky - previous maintainer Pekka Savola - current maintainer Craig Metz - port to NRL's IPv6 code for BSD4.4 Marko Myllynen - RFC 2461 update, Mobile IPv6 support Jim Paris - Privilege separation support Reuben Hawkins - Many fixes and cleanups Pierre Ossman - RFC6106 (DNSSL) support .fi radvd-1.9.1/config.h.in0000664000175000017500000000604511770076145011605 00000000000000/* config.h.in. Generated from configure.ac by autoheader. */ /* Define to 1 if you have the header file. */ #undef HAVE_GETOPT_H /* Define to 1 if you have the `getopt_long' function. */ #undef HAVE_GETOPT_LONG /* Define to 1 if you have the header file. */ #undef HAVE_IFADDRS_H /* whether struct in6_addr has u6_addrXX and defines s6_addrXX */ #undef HAVE_IN6_ADDR_S6_ADDR /* Define to 1 if you have the header file. */ #undef HAVE_INTTYPES_H /* Define to 1 if you have the `c' library (-lc). */ #undef HAVE_LIBC /* Define to 1 if you have the header file. */ #undef HAVE_MACHINE_LIMITS_H /* Define to 1 if you have the header file. */ #undef HAVE_MACHINE_PARAM_H /* Define to 1 if you have the header file. */ #undef HAVE_MEMORY_H /* Linux netlink */ #undef HAVE_NETLINK /* Define to 1 if you have the header file. */ #undef HAVE_NET_IF_ARP_H /* Define to 1 if you have the header file. */ #undef HAVE_NET_IF_DL_H /* Define to 1 if you have the header file. */ #undef HAVE_NET_IF_TYPES_H /* whether struct sockaddr_in6 has sin6_scope_id */ #undef HAVE_SIN6_SCOPE_ID /* 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_PARAM_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_SOCKIO_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_TIME_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_TIME_H /* Define to 1 if you have the header file. */ #undef HAVE_UNISTD_H /* 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 /* Define to 1 if you can safely include both and . */ #undef TIME_WITH_SYS_TIME /* Use privsep */ #undef USE_PRIVSEP /* Define to 1 if `lex' declares `yytext' as a `char *' by default, not a `char[]'. */ #undef YYTEXT_POINTER /* whether compiling on Linux, glibc>=2.8 doesn't expose in6_pktinfo otherwise.. */ #undef _GNU_SOURCE /* Define to empty if `const' does not conform to ANSI C. */ #undef const radvd-1.9.1/radvd.conf.example0000664000175000017500000000646711721635362013171 00000000000000# # NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE # NOTE NOTE # NOTE This is an EXAMPLE, which serves only to demonstrate the NOTE # NOTE syntax of radvd.conf, and is not meant to be used for a NOTE # NOTE real radvd configuration. NOTE # NOTE NOTE # NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE # interface eth0 { AdvSendAdvert on; # This may be needed on some interfaces which are not active when # radvd starts, but become available later on; see man page for details. # IgnoreIfMissing on; # # These settings cause advertisements to be sent every 3-10 seconds. This # range is good for 6to4 with a dynamic IPv4 address, but can be greatly # increased when not using 6to4 prefixes. # MinRtrAdvInterval 3; MaxRtrAdvInterval 10; # # You can use AdvDefaultPreference setting to advertise the preference of # the router for the purposes of default router determination. # NOTE: This feature is still being specified and is not widely supported! # AdvDefaultPreference low; # # Disable Mobile IPv6 support # AdvHomeAgentFlag off; # # example of a standard prefix # prefix 2001:db8:1:0::/64 { AdvOnLink on; AdvAutonomous on; AdvRouterAddr off; }; # # example of a 6to4 prefix # # Note that the first 48 bits are specified here as zeros. These will be # replaced with the appropriate 6to4 address when radvd starts or is # reconfigured. Be sure that the SLA ID (1234 in this case) is specified # here! # prefix 0:0:0:1234::/64 { AdvOnLink on; AdvAutonomous on; AdvRouterAddr off; # # This setting causes radvd to replace the first 48 bits of the prefix # with the 6to4 address generated from the specified interface. For example, # if the address of ppp0 is 192.0.2.25 when radvd configures itself, this # prefix will be advertised as 2002:C000:0219:1234::/64. # # If ppp0 is not available at configuration time, this prefix will not be # advertised, but other prefixes listed in the configuration will be # advertised as usual. # # When using the Base6to4Interface option, make sure radvd receives a # SIGHUP every time the ppp0 interface goes up, down, or is assigned a # new IPv4 address. The SIGHUP will cause radvd to recognize that the # ppp0 interface has changed and will adjust the advertisements # accordingly. # Base6to4Interface ppp0; # # If the IP address of ppp0 is assigned dynamically, be sure to set the # lifetimes for this prefix to be small. Otherwise, hosts on your network # may continue to use a prefix that no longer corresponds to the address # on ppp0! # AdvPreferredLifetime 120; AdvValidLifetime 300; }; # # example of a more specific route # NOTE: This feature is not very widely supported! You may also need to # enable it manually (e.g. on Linux, change the value of # sysctl accept_ra_rt_info_max_plen to 48 or 64) # route 2001:db0:fff::/48 { AdvRoutePreference high; AdvRouteLifetime 3600; }; # # RDNSS # NOTE: This feature is not very widely implemented. # RDNSS 2001:db8::1 2001:db8::2 { AdvRDNSSLifetime 30; }; # # DNS Search Lists # DNSSL branch.example.com example.com { AdvDNSSLLifetime 30; }; }; radvd-1.9.1/README0000664000175000017500000000441011763430055010430 00000000000000 Installation: ============= Install 'pkg-config' and 'libdaemon'. Run configure, e.g. ./configure --prefix=/usr/local --sysconfdir=/etc --mandir=/usr/share/man See configure --help for additional command line arguments. Run 'make' and 'make install'. On BSD, you may need to use 'gmake'. Configuration: ============== See INTRO.html, radvd.conf(8) and radvd.conf.example. Frequently Asked Questions: =========================== Setting up radvd is very simple, so the most frequently asked questions have been about what radvd _doesn't_ do... 1. How do I set up the router running radvd to automatically configure an address from the prefix advertised in Route Advertisements from upstream? -- You don't. By the specification, routers ignore RAs. You'll probably need to use manual configuration. But you can't use the same prefix on two links in any case unless you use something like proxy-ND (draft-ietf-ipv6-ndproxy-04.txt). You may need to re-think your topology; prefix delegation (e.g., manually or with RFC3633) may help. 2. How do I set up the router running radvd to automatically configure the interfaces to use an EUI64-based address? -- You don't. The design philosophy of radvd is that it's not the _router's_ configuration tool, but a route advertising daemon. You'll need to set up all the addresses, routes, etc. yourself. These tasks are something that system initscripts could possibly do instead. 3. I have a dynamic /48 prefix. How do I set up radvd to: a) set up interface addresses and routes on downstream interfaces, and b) advertise /64 prefixes from the /48 on downstream interfaces? -- For a), this isn't supported. For b), radvd includes special support for 6to4 upstream interface but assumes that the interface addresses/routes are set up manually. This should probably be done in the initscripts or manually. (Though if someone were to send a patch for b), it might be incorporated.) 4. How do I set up radvd to do either unicast or multicast routing? -- You don't. Radvd is not a routing or forwarding daemon. You need to set any appropriate routing/forwarding first, and then radvd to only advertise the prefixes to hosts as appropriate.