pax_global_header00006660000000000000000000000064125740752640014526gustar00rootroot0000000000000052 comment=db73d0ee3930cd18fbe5215db523ee0f0229ee21 conntrack-1.4.3/000077500000000000000000000000001257407526400135155ustar00rootroot00000000000000conntrack-1.4.3/AUTHORS000066400000000000000000000000501257407526400145600ustar00rootroot00000000000000Pablo Neira Ayuso conntrack-1.4.3/COPYING000066400000000000000000000430761257407526400145620ustar00rootroot00000000000000 GNU GENERAL PUBLIC LICENSE Version 2, June 1991 Copyright (C) 1989, 1991 Free Software Foundation, Inc. 675 Mass Ave, Cambridge, MA 02139, USA Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. Preamble The licenses for most software are designed to take away your freedom to share and change it. By contrast, the GNU General Public License is intended to guarantee your freedom to share and change free software--to make sure the software is free for all its users. This General Public License applies to most of the Free Software Foundation's software and to any other program whose authors commit to using it. (Some other Free Software Foundation software is covered by the GNU Library General Public License instead.) You can apply it to your programs, too. When we speak of free software, we are referring to freedom, not price. Our General Public Licenses are designed to make sure that you have the freedom to distribute copies of free software (and charge for this service if you wish), that you receive source code or can get it if you want it, that you can change the software or use pieces of it in new free programs; and that you know you can do these things. To protect your rights, we need to make restrictions that forbid anyone to deny you these rights or to ask you to surrender the rights. These restrictions translate to certain responsibilities for you if you distribute copies of the software, or if you modify it. For example, if you distribute copies of such a program, whether gratis or for a fee, you must give the recipients all the rights that you have. You must make sure that they, too, receive or can get the source code. And you must show them these terms so they know their rights. We protect your rights with two steps: (1) copyright the software, and (2) offer you this license which gives you legal permission to copy, distribute and/or modify the software. Also, for each author's protection and ours, we want to make certain that everyone understands that there is no warranty for this free software. If the software is modified by someone else and passed on, we want its recipients to know that what they have is not the original, so that any problems introduced by others will not reflect on the original authors' reputations. Finally, any free program is threatened constantly by software patents. We wish to avoid the danger that redistributors of a free program will individually obtain patent licenses, in effect making the program proprietary. To prevent this, we have made it clear that any patent must be licensed for everyone's free use or not licensed at all. The precise terms and conditions for copying, distribution and modification follow. GNU GENERAL PUBLIC LICENSE TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION 0. This License applies to any program or other work which contains a notice placed by the copyright holder saying it may be distributed under the terms of this General Public License. The "Program", below, refers to any such program or work, and a "work based on the Program" means either the Program or any derivative work under copyright law: that is to say, a work containing the Program or a portion of it, either verbatim or with modifications and/or translated into another language. (Hereinafter, translation is included without limitation in the term "modification".) Each licensee is addressed as "you". Activities other than copying, distribution and modification are not covered by this License; they are outside its scope. The act of running the Program is not restricted, and the output from the Program is covered only if its contents constitute a work based on the Program (independent of having been made by running the Program). Whether that is true depends on what the Program does. 1. You may copy and distribute verbatim copies of the Program's source code as you receive it, in any medium, provided that you conspicuously and appropriately publish on each copy an appropriate copyright notice and disclaimer of warranty; keep intact all the notices that refer to this License and to the absence of any warranty; and give any other recipients of the Program a copy of this License along with the Program. You may charge a fee for the physical act of transferring a copy, and you may at your option offer warranty protection in exchange for a fee. 2. You may modify your copy or copies of the Program or any portion of it, thus forming a work based on the Program, and copy and distribute such modifications or work under the terms of Section 1 above, provided that you also meet all of these conditions: a) You must cause the modified files to carry prominent notices stating that you changed the files and the date of any change. b) You must cause any work that you distribute or publish, that in whole or in part contains or is derived from the Program or any part thereof, to be licensed as a whole at no charge to all third parties under the terms of this License. c) If the modified program normally reads commands interactively when run, you must cause it, when started running for such interactive use in the most ordinary way, to print or display an announcement including an appropriate copyright notice and a notice that there is no warranty (or else, saying that you provide a warranty) and that users may redistribute the program under these conditions, and telling the user how to view a copy of this License. (Exception: if the Program itself is interactive but does not normally print such an announcement, your work based on the Program is not required to print an announcement.) These requirements apply to the modified work as a whole. If identifiable sections of that work are not derived from the Program, and can be reasonably considered independent and separate works in themselves, then this License, and its terms, do not apply to those sections when you distribute them as separate works. But when you distribute the same sections as part of a whole which is a work based on the Program, the distribution of the whole must be on the terms of this License, whose permissions for other licensees extend to the entire whole, and thus to each and every part regardless of who wrote it. Thus, it is not the intent of this section to claim rights or contest your rights to work written entirely by you; rather, the intent is to exercise the right to control the distribution of derivative or collective works based on the Program. In addition, mere aggregation of another work not based on the Program with the Program (or with a work based on the Program) on a volume of a storage or distribution medium does not bring the other work under the scope of this License. 3. You may copy and distribute the Program (or a work based on it, under Section 2) in object code or executable form under the terms of Sections 1 and 2 above provided that you also do one of the following: a) Accompany it with the complete corresponding machine-readable source code, which must be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or, b) Accompany it with a written offer, valid for at least three years, to give any third party, for a charge no more than your cost of physically performing source distribution, a complete machine-readable copy of the corresponding source code, to be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or, c) Accompany it with the information you received as to the offer to distribute corresponding source code. (This alternative is allowed only for noncommercial distribution and only if you received the program in object code or executable form with such an offer, in accord with Subsection b above.) The source code for a work means the preferred form of the work for making modifications to it. For an executable work, complete source code means all the source code for all modules it contains, plus any associated interface definition files, plus the scripts used to control compilation and installation of the executable. However, as a special exception, the source code distributed need not include anything that is normally distributed (in either source or binary form) with the major components (compiler, kernel, and so on) of the operating system on which the executable runs, unless that component itself accompanies the executable. If distribution of executable or object code is made by offering access to copy from a designated place, then offering equivalent access to copy the source code from the same place counts as distribution of the source code, even though third parties are not compelled to copy the source along with the object code. 4. You may not copy, modify, sublicense, or distribute the Program except as expressly provided under this License. Any attempt otherwise to copy, modify, sublicense or distribute the Program is void, and will automatically terminate your rights under this License. However, parties who have received copies, or rights, from you under this License will not have their licenses terminated so long as such parties remain in full compliance. 5. You are not required to accept this License, since you have not signed it. However, nothing else grants you permission to modify or distribute the Program or its derivative works. These actions are prohibited by law if you do not accept this License. Therefore, by modifying or distributing the Program (or any work based on the Program), you indicate your acceptance of this License to do so, and all its terms and conditions for copying, distributing or modifying the Program or works based on it. 6. Each time you redistribute the Program (or any work based on the Program), the recipient automatically receives a license from the original licensor to copy, distribute or modify the Program subject to these terms and conditions. You may not impose any further restrictions on the recipients' exercise of the rights granted herein. You are not responsible for enforcing compliance by third parties to this License. 7. If, as a consequence of a court judgment or allegation of patent infringement or for any other reason (not limited to patent issues), conditions are imposed on you (whether by court order, agreement or otherwise) that contradict the conditions of this License, they do not excuse you from the conditions of this License. If you cannot distribute so as to satisfy simultaneously your obligations under this License and any other pertinent obligations, then as a consequence you may not distribute the Program at all. For example, if a patent license would not permit royalty-free redistribution of the Program by all those who receive copies directly or indirectly through you, then the only way you could satisfy both it and this License would be to refrain entirely from distribution of the Program. If any portion of this section is held invalid or unenforceable under any particular circumstance, the balance of the section is intended to apply and the section as a whole is intended to apply in other circumstances. It is not the purpose of this section to induce you to infringe any patents or other property right claims or to contest validity of any such claims; this section has the sole purpose of protecting the integrity of the free software distribution system, which is implemented by public license practices. Many people have made generous contributions to the wide range of software distributed through that system in reliance on consistent application of that system; it is up to the author/donor to decide if he or she is willing to distribute software through any other system and a licensee cannot impose that choice. This section is intended to make thoroughly clear what is believed to be a consequence of the rest of this License. 8. If the distribution and/or use of the Program is restricted in certain countries either by patents or by copyrighted interfaces, the original copyright holder who places the Program under this License may add an explicit geographical distribution limitation excluding those countries, so that distribution is permitted only in or among countries not thus excluded. In such case, this License incorporates the limitation as if written in the body of this License. 9. The Free Software Foundation may publish revised and/or new versions of the General Public License from time to time. Such new versions will be similar in spirit to the present version, but may differ in detail to address new problems or concerns. Each version is given a distinguishing version number. If the Program specifies a version number of this License which applies to it and "any later version", you have the option of following the terms and conditions either of that version or of any later version published by the Free Software Foundation. If the Program does not specify a version number of this License, you may choose any version ever published by the Free Software Foundation. 10. If you wish to incorporate parts of the Program into other free programs whose distribution conditions are different, write to the author to ask for permission. For software which is copyrighted by the Free Software Foundation, write to the Free Software Foundation; we sometimes make exceptions for this. Our decision will be guided by the two goals of preserving the free status of all derivatives of our free software and of promoting the sharing and reuse of software generally. NO WARRANTY 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. END OF TERMS AND CONDITIONS Appendix: How to Apply These Terms to Your New Programs If you develop a new program, and you want it to be of the greatest possible use to the public, the best way to achieve this is to make it free software which everyone can redistribute and change under these terms. To do so, attach the following notices to the program. It is safest to attach them to the start of each source file to most effectively convey the exclusion of warranty; and each file should have at least the "copyright" line and a pointer to where the full notice is found. Copyright (C) 19yy 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. Also add information on how to contact you by electronic and paper mail. If the program is interactive, make it output a short notice like this when it starts in an interactive mode: Gnomovision version 69, Copyright (C) 19yy name of author Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details. The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, the commands you use may be called something other than `show w' and `show c'; they could even be mouse-clicks or menu items--whatever suits your program. You should also get your employer (if you work as a programmer) or your school, if any, to sign a "copyright disclaimer" for the program, if necessary. Here is a sample; alter the names: Yoyodyne, Inc., hereby disclaims all copyright interest in the program `Gnomovision' (which makes passes at compilers) written by James Hacker. , 1 April 1989 Ty Coon, President of Vice This General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the GNU Library General Public License instead of this License. conntrack-1.4.3/INSTALL000066400000000000000000000051601257407526400145500ustar00rootroot00000000000000Copyright (C) 2005-2008 Pablo Neira Ayuso 0.Introduction ============== The conntrack-tools package contains two programs: - conntrack: the command line interface to interact with the connection tracking system. - conntrackd: the connection tracking userspace daemon that can be used to deploy highly available GNU/Linux firewalls and collect statistics of the firewall use. Although their names are similar, they are used for different tasks. 1. Requirements =============== You have to install the following software in order to get the conntrack-tools working, make sure that you have installed them correctly before going forward: o linux kernel version >= 2.6.18 (http://www.kernel.org) that, at least, has support for: - connection tracking system CONFIG_NF_CONNTRACK=m CONFIG_NF_CONNTRACK_IPV4=m CONFIG_NF_CONNTRACK_IPV6=m (if you need IPv6 support) - nfnetlink CONFIG_NETFILTER_NETLINK=m - ctnetlink (nf_conntrack_netlink) CONFIG_NF_CT_NETLINK=m - connection tracking event notification API CONFIG_NF_CONNTRACK_EVENTS=y (To check that the event API is enabled in the kernel, make sure you have loaded nf_netlink_conntrack module, run conntrack -E and generate traffic, you should see network events) o libnfnetlink: the netfilter netlink library available at: o libnetfilter_conntrack: the netfilter conntrack library available at: 2.Compilation and Installation ============================== To compile and install conntrack-tools just follow the classical steps: $ ./configure --prefix=/usr $ make # make install Up to this point, the command line interface `conntrack' is ready for use, see man conntrack(8). However, the userspace daemon so-called `conntrackd' requires some magic spells to get it working. *Fedora users*: If you are trying to install the libraries in /usr/local/, do not forget to do the following things: * PKG_CONFIG_PATH=/usr/local/lib/pkgconfig; export PKG_CONFIG_PATH * Add `/usr/local/lib' to your /etc/ld.so.conf file and run `ldconfig' Check `ldd' for trouble-shooting, read for more information on how libraries work. 3.How-to use and set up ======================= Please, refer to the user manual for further information on how to use and set up the conntrack-tools. 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But MiNT is downward compatible to TOS, so this should # be no problem. atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*) echo m68k-atari-mint${UNAME_RELEASE} exit ;; atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*) echo m68k-atari-mint${UNAME_RELEASE} exit ;; *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*) echo m68k-atari-mint${UNAME_RELEASE} exit ;; milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*) echo m68k-milan-mint${UNAME_RELEASE} exit ;; hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*) echo m68k-hades-mint${UNAME_RELEASE} exit ;; *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*) echo m68k-unknown-mint${UNAME_RELEASE} exit ;; m68k:machten:*:*) echo m68k-apple-machten${UNAME_RELEASE} exit ;; powerpc:machten:*:*) echo powerpc-apple-machten${UNAME_RELEASE} exit ;; RISC*:Mach:*:*) echo mips-dec-mach_bsd4.3 exit ;; RISC*:ULTRIX:*:*) echo mips-dec-ultrix${UNAME_RELEASE} exit ;; VAX*:ULTRIX*:*:*) echo vax-dec-ultrix${UNAME_RELEASE} exit ;; 2020:CLIX:*:* | 2430:CLIX:*:*) echo clipper-intergraph-clix${UNAME_RELEASE} exit ;; mips:*:*:UMIPS | mips:*:*:RISCos) eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #ifdef __cplusplus #include /* for printf() prototype */ int main (int argc, char *argv[]) { #else int main (argc, argv) int argc; char *argv[]; { #endif #if defined (host_mips) && defined (MIPSEB) #if defined (SYSTYPE_SYSV) printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0); #endif #if defined (SYSTYPE_SVR4) printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0); #endif #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD) printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0); #endif #endif exit (-1); } EOF $CC_FOR_BUILD -o $dummy $dummy.c && dummyarg=`echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` && SYSTEM_NAME=`$dummy $dummyarg` && { echo "$SYSTEM_NAME"; exit; } echo mips-mips-riscos${UNAME_RELEASE} exit ;; Motorola:PowerMAX_OS:*:*) echo powerpc-motorola-powermax exit ;; Motorola:*:4.3:PL8-*) echo powerpc-harris-powermax exit ;; Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*) echo powerpc-harris-powermax exit ;; Night_Hawk:Power_UNIX:*:*) echo powerpc-harris-powerunix exit ;; m88k:CX/UX:7*:*) echo m88k-harris-cxux7 exit ;; m88k:*:4*:R4*) echo m88k-motorola-sysv4 exit ;; m88k:*:3*:R3*) echo m88k-motorola-sysv3 exit ;; AViiON:dgux:*:*) # DG/UX returns AViiON for all architectures UNAME_PROCESSOR=`/usr/bin/uname -p` if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ] then if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \ [ ${TARGET_BINARY_INTERFACE}x = x ] then echo m88k-dg-dgux${UNAME_RELEASE} else echo m88k-dg-dguxbcs${UNAME_RELEASE} fi else echo i586-dg-dgux${UNAME_RELEASE} fi exit ;; M88*:DolphinOS:*:*) # DolphinOS (SVR3) echo m88k-dolphin-sysv3 exit ;; M88*:*:R3*:*) # Delta 88k system running SVR3 echo m88k-motorola-sysv3 exit ;; XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3) echo m88k-tektronix-sysv3 exit ;; Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD) echo m68k-tektronix-bsd exit ;; *:IRIX*:*:*) echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'` exit ;; ????????:AIX?:[12].1:2) # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX. echo romp-ibm-aix # uname -m gives an 8 hex-code CPU id exit ;; # Note that: echo "'`uname -s`'" gives 'AIX ' i*86:AIX:*:*) echo i386-ibm-aix exit ;; ia64:AIX:*:*) if [ -x /usr/bin/oslevel ] ; then IBM_REV=`/usr/bin/oslevel` else IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} fi echo ${UNAME_MACHINE}-ibm-aix${IBM_REV} exit ;; *:AIX:2:3) if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #include main() { if (!__power_pc()) exit(1); puts("powerpc-ibm-aix3.2.5"); exit(0); } EOF if $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` then echo "$SYSTEM_NAME" else echo rs6000-ibm-aix3.2.5 fi elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then echo rs6000-ibm-aix3.2.4 else echo rs6000-ibm-aix3.2 fi exit ;; *:AIX:*:[4567]) IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'` if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then IBM_ARCH=rs6000 else IBM_ARCH=powerpc fi if [ -x /usr/bin/oslevel ] ; then IBM_REV=`/usr/bin/oslevel` else IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} fi echo ${IBM_ARCH}-ibm-aix${IBM_REV} exit ;; *:AIX:*:*) echo rs6000-ibm-aix exit ;; ibmrt:4.4BSD:*|romp-ibm:BSD:*) echo romp-ibm-bsd4.4 exit ;; ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and echo romp-ibm-bsd${UNAME_RELEASE} # 4.3 with uname added to exit ;; # report: romp-ibm BSD 4.3 *:BOSX:*:*) echo rs6000-bull-bosx exit ;; DPX/2?00:B.O.S.:*:*) echo m68k-bull-sysv3 exit ;; 9000/[34]??:4.3bsd:1.*:*) echo m68k-hp-bsd exit ;; hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*) echo m68k-hp-bsd4.4 exit ;; 9000/[34678]??:HP-UX:*:*) HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` case "${UNAME_MACHINE}" in 9000/31? ) HP_ARCH=m68000 ;; 9000/[34]?? ) HP_ARCH=m68k ;; 9000/[678][0-9][0-9]) if [ -x /usr/bin/getconf ]; then sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` case "${sc_cpu_version}" in 523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0 528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1 532) # CPU_PA_RISC2_0 case "${sc_kernel_bits}" in 32) HP_ARCH="hppa2.0n" ;; 64) HP_ARCH="hppa2.0w" ;; '') HP_ARCH="hppa2.0" ;; # HP-UX 10.20 esac ;; esac fi if [ "${HP_ARCH}" = "" ]; then eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #define _HPUX_SOURCE #include #include int main () { #if defined(_SC_KERNEL_BITS) long bits = sysconf(_SC_KERNEL_BITS); #endif long cpu = sysconf (_SC_CPU_VERSION); switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0"); break; case CPU_PA_RISC1_1: puts ("hppa1.1"); break; case CPU_PA_RISC2_0: #if defined(_SC_KERNEL_BITS) switch (bits) { case 64: puts ("hppa2.0w"); break; case 32: puts ("hppa2.0n"); break; default: puts ("hppa2.0"); break; } break; #else /* !defined(_SC_KERNEL_BITS) */ puts ("hppa2.0"); break; #endif default: puts ("hppa1.0"); break; } exit (0); } EOF (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy` test -z "$HP_ARCH" && HP_ARCH=hppa fi ;; esac if [ ${HP_ARCH} = "hppa2.0w" ] then eval $set_cc_for_build # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler # generating 64-bit code. GNU and HP use different nomenclature: # # $ CC_FOR_BUILD=cc ./config.guess # => hppa2.0w-hp-hpux11.23 # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess # => hppa64-hp-hpux11.23 if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | grep -q __LP64__ then HP_ARCH="hppa2.0w" else HP_ARCH="hppa64" fi fi echo ${HP_ARCH}-hp-hpux${HPUX_REV} exit ;; ia64:HP-UX:*:*) HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` echo ia64-hp-hpux${HPUX_REV} exit ;; 3050*:HI-UX:*:*) eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #include int main () { long cpu = sysconf (_SC_CPU_VERSION); /* The order matters, because CPU_IS_HP_MC68K erroneously returns true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct results, however. */ if (CPU_IS_PA_RISC (cpu)) { switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; default: puts ("hppa-hitachi-hiuxwe2"); break; } } else if (CPU_IS_HP_MC68K (cpu)) puts ("m68k-hitachi-hiuxwe2"); else puts ("unknown-hitachi-hiuxwe2"); exit (0); } EOF $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` && { echo "$SYSTEM_NAME"; exit; } echo unknown-hitachi-hiuxwe2 exit ;; 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* ) echo hppa1.1-hp-bsd exit ;; 9000/8??:4.3bsd:*:*) echo hppa1.0-hp-bsd exit ;; *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) echo hppa1.0-hp-mpeix exit ;; hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* ) echo hppa1.1-hp-osf exit ;; hp8??:OSF1:*:*) echo hppa1.0-hp-osf exit ;; i*86:OSF1:*:*) if [ -x /usr/sbin/sysversion ] ; then echo ${UNAME_MACHINE}-unknown-osf1mk else echo ${UNAME_MACHINE}-unknown-osf1 fi exit ;; parisc*:Lites*:*:*) echo hppa1.1-hp-lites exit ;; C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) echo c1-convex-bsd exit ;; C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) if getsysinfo -f scalar_acc then echo c32-convex-bsd else echo c2-convex-bsd fi exit ;; C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) echo c34-convex-bsd exit ;; C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) echo c38-convex-bsd exit ;; C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) echo c4-convex-bsd exit ;; CRAY*Y-MP:*:*:*) echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*[A-Z]90:*:*:*) echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \ | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ -e 's/\.[^.]*$/.X/' exit ;; CRAY*TS:*:*:*) echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*T3E:*:*:*) echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*SV1:*:*:*) echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; *:UNICOS/mp:*:*) echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'` echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" exit ;; 5000:UNIX_System_V:4.*:*) FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'` echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" exit ;; i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE} exit ;; sparc*:BSD/OS:*:*) echo sparc-unknown-bsdi${UNAME_RELEASE} exit ;; *:BSD/OS:*:*) echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE} exit ;; *:FreeBSD:*:*) UNAME_PROCESSOR=`/usr/bin/uname -p` case ${UNAME_PROCESSOR} in amd64) echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; *) echo ${UNAME_PROCESSOR}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; esac exit ;; i*:CYGWIN*:*) echo ${UNAME_MACHINE}-pc-cygwin exit ;; *:MINGW*:*) echo ${UNAME_MACHINE}-pc-mingw32 exit ;; i*:MSYS*:*) echo ${UNAME_MACHINE}-pc-msys exit ;; i*:windows32*:*) # uname -m includes "-pc" on this system. echo ${UNAME_MACHINE}-mingw32 exit ;; i*:PW*:*) echo ${UNAME_MACHINE}-pc-pw32 exit ;; *:Interix*:*) case ${UNAME_MACHINE} in x86) echo i586-pc-interix${UNAME_RELEASE} exit ;; authenticamd | genuineintel | EM64T) echo x86_64-unknown-interix${UNAME_RELEASE} exit ;; IA64) echo ia64-unknown-interix${UNAME_RELEASE} exit ;; esac ;; [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*) echo i${UNAME_MACHINE}-pc-mks exit ;; 8664:Windows_NT:*) echo x86_64-pc-mks exit ;; i*:Windows_NT*:* | Pentium*:Windows_NT*:*) # How do we know it's Interix rather than the generic POSIX subsystem? # It also conflicts with pre-2.0 versions of AT&T UWIN. Should we # UNAME_MACHINE based on the output of uname instead of i386? echo i586-pc-interix exit ;; i*:UWIN*:*) echo ${UNAME_MACHINE}-pc-uwin exit ;; amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*) echo x86_64-unknown-cygwin exit ;; p*:CYGWIN*:*) echo powerpcle-unknown-cygwin exit ;; prep*:SunOS:5.*:*) echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` exit ;; *:GNU:*:*) # the GNU system echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-gnu`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'` exit ;; *:GNU/*:*:*) # other systems with GNU libc and userland echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr '[A-Z]' '[a-z]'``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-gnu exit ;; i*86:Minix:*:*) echo ${UNAME_MACHINE}-pc-minix exit ;; aarch64:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; aarch64_be:Linux:*:*) UNAME_MACHINE=aarch64_be echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; alpha:Linux:*:*) case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in EV5) UNAME_MACHINE=alphaev5 ;; EV56) UNAME_MACHINE=alphaev56 ;; PCA56) UNAME_MACHINE=alphapca56 ;; PCA57) UNAME_MACHINE=alphapca56 ;; EV6) UNAME_MACHINE=alphaev6 ;; EV67) UNAME_MACHINE=alphaev67 ;; EV68*) UNAME_MACHINE=alphaev68 ;; esac objdump --private-headers /bin/sh | grep -q ld.so.1 if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC} exit ;; arm*:Linux:*:*) eval $set_cc_for_build if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_EABI__ then echo ${UNAME_MACHINE}-unknown-linux-gnu else if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_PCS_VFP then echo ${UNAME_MACHINE}-unknown-linux-gnueabi else echo ${UNAME_MACHINE}-unknown-linux-gnueabihf fi fi exit ;; avr32*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; cris:Linux:*:*) echo ${UNAME_MACHINE}-axis-linux-gnu exit ;; crisv32:Linux:*:*) echo ${UNAME_MACHINE}-axis-linux-gnu exit ;; frv:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; hexagon:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; i*86:Linux:*:*) LIBC=gnu eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #ifdef __dietlibc__ LIBC=dietlibc #endif EOF eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^LIBC'` echo "${UNAME_MACHINE}-pc-linux-${LIBC}" exit ;; ia64:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; m32r*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; m68*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; mips:Linux:*:* | mips64:Linux:*:*) eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #undef CPU #undef ${UNAME_MACHINE} #undef ${UNAME_MACHINE}el #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) CPU=${UNAME_MACHINE}el #else #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) CPU=${UNAME_MACHINE} #else CPU= #endif #endif EOF eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^CPU'` test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; } ;; or32:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; padre:Linux:*:*) echo sparc-unknown-linux-gnu exit ;; parisc64:Linux:*:* | hppa64:Linux:*:*) echo hppa64-unknown-linux-gnu exit ;; parisc:Linux:*:* | hppa:Linux:*:*) # Look for CPU level case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in PA7*) echo hppa1.1-unknown-linux-gnu ;; PA8*) echo hppa2.0-unknown-linux-gnu ;; *) echo hppa-unknown-linux-gnu ;; esac exit ;; ppc64:Linux:*:*) echo powerpc64-unknown-linux-gnu exit ;; ppc:Linux:*:*) echo powerpc-unknown-linux-gnu exit ;; s390:Linux:*:* | s390x:Linux:*:*) echo ${UNAME_MACHINE}-ibm-linux exit ;; sh64*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; sh*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; sparc:Linux:*:* | sparc64:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; tile*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; vax:Linux:*:*) echo ${UNAME_MACHINE}-dec-linux-gnu exit ;; x86_64:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; xtensa*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; i*86:DYNIX/ptx:4*:*) # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there. # earlier versions are messed up and put the nodename in both # sysname and nodename. echo i386-sequent-sysv4 exit ;; i*86:UNIX_SV:4.2MP:2.*) # Unixware is an offshoot of SVR4, but it has its own version # number series starting with 2... # I am not positive that other SVR4 systems won't match this, # I just have to hope. -- rms. # Use sysv4.2uw... so that sysv4* matches it. echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION} exit ;; i*86:OS/2:*:*) # If we were able to find `uname', then EMX Unix compatibility # is probably installed. echo ${UNAME_MACHINE}-pc-os2-emx exit ;; i*86:XTS-300:*:STOP) echo ${UNAME_MACHINE}-unknown-stop exit ;; i*86:atheos:*:*) echo ${UNAME_MACHINE}-unknown-atheos exit ;; i*86:syllable:*:*) echo ${UNAME_MACHINE}-pc-syllable exit ;; i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*) echo i386-unknown-lynxos${UNAME_RELEASE} exit ;; i*86:*DOS:*:*) echo ${UNAME_MACHINE}-pc-msdosdjgpp exit ;; i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*) UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'` if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL} else echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL} fi exit ;; i*86:*:5:[678]*) # UnixWare 7.x, OpenUNIX and OpenServer 6. case `/bin/uname -X | grep "^Machine"` in *486*) UNAME_MACHINE=i486 ;; *Pentium) UNAME_MACHINE=i586 ;; *Pent*|*Celeron) UNAME_MACHINE=i686 ;; esac echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION} exit ;; i*86:*:3.2:*) if test -f /usr/options/cb.name; then UNAME_REL=`sed -n 's/.*Version //p' /dev/null >/dev/null ; then UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')` (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486 (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \ && UNAME_MACHINE=i586 (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \ && UNAME_MACHINE=i686 (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \ && UNAME_MACHINE=i686 echo ${UNAME_MACHINE}-pc-sco$UNAME_REL else echo ${UNAME_MACHINE}-pc-sysv32 fi exit ;; pc:*:*:*) # Left here for compatibility: # uname -m prints for DJGPP always 'pc', but it prints nothing about # the processor, so we play safe by assuming i586. # Note: whatever this is, it MUST be the same as what config.sub # prints for the "djgpp" host, or else GDB configury will decide that # this is a cross-build. echo i586-pc-msdosdjgpp exit ;; Intel:Mach:3*:*) echo i386-pc-mach3 exit ;; paragon:*:*:*) echo i860-intel-osf1 exit ;; i860:*:4.*:*) # i860-SVR4 if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4 else # Add other i860-SVR4 vendors below as they are discovered. echo i860-unknown-sysv${UNAME_RELEASE} # Unknown i860-SVR4 fi exit ;; mini*:CTIX:SYS*5:*) # "miniframe" echo m68010-convergent-sysv exit ;; mc68k:UNIX:SYSTEM5:3.51m) echo m68k-convergent-sysv exit ;; M680?0:D-NIX:5.3:*) echo m68k-diab-dnix exit ;; M68*:*:R3V[5678]*:*) test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;; 3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0) OS_REL='' test -r /etc/.relid \ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4.3${OS_REL}; 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SM[BE]S:UNIX_SV:*:*) echo mips-dde-sysv${UNAME_RELEASE} exit ;; RM*:ReliantUNIX-*:*:*) echo mips-sni-sysv4 exit ;; RM*:SINIX-*:*:*) echo mips-sni-sysv4 exit ;; *:SINIX-*:*:*) if uname -p 2>/dev/null >/dev/null ; then UNAME_MACHINE=`(uname -p) 2>/dev/null` echo ${UNAME_MACHINE}-sni-sysv4 else echo ns32k-sni-sysv fi exit ;; PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort # says echo i586-unisys-sysv4 exit ;; *:UNIX_System_V:4*:FTX*) # From Gerald Hewes . # How about differentiating between stratus architectures? -djm echo hppa1.1-stratus-sysv4 exit ;; *:*:*:FTX*) # From seanf@swdc.stratus.com. echo i860-stratus-sysv4 exit ;; i*86:VOS:*:*) # From Paul.Green@stratus.com. echo ${UNAME_MACHINE}-stratus-vos exit ;; *:VOS:*:*) # From Paul.Green@stratus.com. echo hppa1.1-stratus-vos exit ;; mc68*:A/UX:*:*) echo m68k-apple-aux${UNAME_RELEASE} exit ;; news*:NEWS-OS:6*:*) echo mips-sony-newsos6 exit ;; R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*) if [ -d /usr/nec ]; then echo mips-nec-sysv${UNAME_RELEASE} else echo mips-unknown-sysv${UNAME_RELEASE} fi exit ;; BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only. echo powerpc-be-beos exit ;; BeMac:BeOS:*:*) # BeOS running on Mac or Mac clone, PPC only. echo powerpc-apple-beos exit ;; BePC:BeOS:*:*) # BeOS running on Intel PC compatible. echo i586-pc-beos exit ;; BePC:Haiku:*:*) # Haiku running on Intel PC compatible. echo i586-pc-haiku exit ;; SX-4:SUPER-UX:*:*) echo sx4-nec-superux${UNAME_RELEASE} exit ;; SX-5:SUPER-UX:*:*) echo sx5-nec-superux${UNAME_RELEASE} exit ;; SX-6:SUPER-UX:*:*) echo sx6-nec-superux${UNAME_RELEASE} exit ;; SX-7:SUPER-UX:*:*) echo sx7-nec-superux${UNAME_RELEASE} exit ;; SX-8:SUPER-UX:*:*) echo sx8-nec-superux${UNAME_RELEASE} exit ;; SX-8R:SUPER-UX:*:*) echo sx8r-nec-superux${UNAME_RELEASE} exit ;; Power*:Rhapsody:*:*) echo powerpc-apple-rhapsody${UNAME_RELEASE} exit ;; *:Rhapsody:*:*) echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE} exit ;; *:Darwin:*:*) UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown case $UNAME_PROCESSOR in i386) eval $set_cc_for_build if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \ (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \ grep IS_64BIT_ARCH >/dev/null then UNAME_PROCESSOR="x86_64" fi fi ;; unknown) UNAME_PROCESSOR=powerpc ;; esac echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE} exit ;; *:procnto*:*:* | *:QNX:[0123456789]*:*) UNAME_PROCESSOR=`uname -p` if test "$UNAME_PROCESSOR" = "x86"; then UNAME_PROCESSOR=i386 UNAME_MACHINE=pc fi echo ${UNAME_PROCESSOR}-${UNAME_MACHINE}-nto-qnx${UNAME_RELEASE} exit ;; *:QNX:*:4*) echo i386-pc-qnx exit ;; NEO-?:NONSTOP_KERNEL:*:*) echo neo-tandem-nsk${UNAME_RELEASE} exit ;; NSE-?:NONSTOP_KERNEL:*:*) echo nse-tandem-nsk${UNAME_RELEASE} exit ;; NSR-?:NONSTOP_KERNEL:*:*) echo nsr-tandem-nsk${UNAME_RELEASE} exit ;; *:NonStop-UX:*:*) echo mips-compaq-nonstopux exit ;; BS2000:POSIX*:*:*) echo bs2000-siemens-sysv exit ;; DS/*:UNIX_System_V:*:*) echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE} exit ;; *:Plan9:*:*) # "uname -m" is not consistent, so use $cputype instead. 386 # is converted to i386 for consistency with other x86 # operating systems. if test "$cputype" = "386"; then UNAME_MACHINE=i386 else UNAME_MACHINE="$cputype" fi echo ${UNAME_MACHINE}-unknown-plan9 exit ;; *:TOPS-10:*:*) echo pdp10-unknown-tops10 exit ;; *:TENEX:*:*) echo pdp10-unknown-tenex exit ;; KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*) echo pdp10-dec-tops20 exit ;; XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*) echo pdp10-xkl-tops20 exit ;; *:TOPS-20:*:*) echo pdp10-unknown-tops20 exit ;; *:ITS:*:*) echo pdp10-unknown-its exit ;; SEI:*:*:SEIUX) echo mips-sei-seiux${UNAME_RELEASE} exit ;; *:DragonFly:*:*) echo ${UNAME_MACHINE}-unknown-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` exit ;; *:*VMS:*:*) UNAME_MACHINE=`(uname -p) 2>/dev/null` case "${UNAME_MACHINE}" in A*) echo alpha-dec-vms ; exit ;; I*) echo ia64-dec-vms ; exit ;; V*) echo vax-dec-vms ; exit ;; esac ;; *:XENIX:*:SysV) echo i386-pc-xenix exit ;; i*86:skyos:*:*) echo ${UNAME_MACHINE}-pc-skyos`echo ${UNAME_RELEASE}` | sed -e 's/ .*$//' exit ;; i*86:rdos:*:*) echo ${UNAME_MACHINE}-pc-rdos exit ;; i*86:AROS:*:*) echo ${UNAME_MACHINE}-pc-aros exit ;; x86_64:VMkernel:*:*) echo ${UNAME_MACHINE}-unknown-esx exit ;; esac #echo '(No uname command or uname output not recognized.)' 1>&2 #echo "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 1>&2 eval $set_cc_for_build cat >$dummy.c < # include #endif main () { #if defined (sony) #if defined (MIPSEB) /* BFD wants "bsd" instead of "newsos". 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It does not imply ALL GNU software can. # # This file is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, see . # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # Please send patches to . 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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*178) os=-lynxos178 ;; -lynx*5) os=-lynxos5 ;; -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 \ | aarch64 | aarch64_be \ | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \ | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \ | am33_2.0 \ | arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr | avr32 \ | be32 | be64 \ | bfin \ | c4x | clipper \ | d10v | d30v | dlx | dsp16xx \ | epiphany \ | fido | fr30 | frv \ | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \ | hexagon \ | i370 | i860 | i960 | ia64 \ | ip2k | iq2000 \ | le32 | le64 \ | lm32 \ | m32c | m32r | m32rle | m68000 | m68k | m88k \ | maxq | mb | microblaze | mcore | mep | metag \ | mips | mipsbe | mipseb | mipsel | mipsle \ | mips16 \ | mips64 | mips64el \ | mips64octeon | mips64octeonel \ | mips64orion | mips64orionel \ | mips64r5900 | mips64r5900el \ | mips64vr | mips64vrel \ | mips64vr4100 | mips64vr4100el \ | mips64vr4300 | mips64vr4300el \ | mips64vr5000 | mips64vr5000el \ | mips64vr5900 | mips64vr5900el \ | mipsisa32 | mipsisa32el \ | mipsisa32r2 | mipsisa32r2el \ | mipsisa64 | mipsisa64el \ | mipsisa64r2 | mipsisa64r2el \ | mipsisa64sb1 | mipsisa64sb1el \ | mipsisa64sr71k | mipsisa64sr71kel \ | mipstx39 | mipstx39el \ | mn10200 | mn10300 \ | moxie \ | mt \ | msp430 \ | nds32 | nds32le | nds32be \ | nios | nios2 \ | ns16k | ns32k \ | open8 \ | or32 \ | pdp10 | pdp11 | pj | pjl \ | powerpc | powerpc64 | powerpc64le | powerpcle \ | pyramid \ | rl78 | rx \ | score \ | sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \ | sh64 | sh64le \ | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \ | sparcv8 | sparcv9 | sparcv9b | sparcv9v \ | spu \ | tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \ | ubicom32 \ | v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \ | we32k \ | x86 | xc16x | xstormy16 | xtensa \ | z8k | z80) basic_machine=$basic_machine-unknown ;; c54x) basic_machine=tic54x-unknown ;; c55x) basic_machine=tic55x-unknown ;; c6x) basic_machine=tic6x-unknown ;; m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x | picochip) basic_machine=$basic_machine-unknown os=-none ;; m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k) ;; ms1) basic_machine=mt-unknown ;; strongarm | thumb | xscale) basic_machine=arm-unknown ;; xgate) basic_machine=$basic_machine-unknown os=-none ;; xscaleeb) basic_machine=armeb-unknown ;; xscaleel) basic_machine=armel-unknown ;; # We use `pc' rather than `unknown' # because (1) that's what they normally are, and # (2) the word "unknown" tends to confuse beginning users. i*86 | x86_64) basic_machine=$basic_machine-pc ;; # Object if more than one company name word. *-*-*) echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2 exit 1 ;; # Recognize the basic CPU types with company name. 580-* \ | a29k-* \ | aarch64-* | aarch64_be-* \ | alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \ | alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \ | alphapca5[67]-* | alpha64pca5[67]-* | arc-* \ | arm-* | armbe-* | armle-* | armeb-* | armv*-* \ | avr-* | avr32-* \ | be32-* | be64-* \ | bfin-* | bs2000-* \ | c[123]* | c30-* | [cjt]90-* | c4x-* \ | clipper-* | craynv-* | cydra-* \ | d10v-* | d30v-* | dlx-* \ | elxsi-* \ | f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \ | h8300-* | h8500-* \ | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \ | hexagon-* \ | i*86-* | i860-* | i960-* | ia64-* \ | ip2k-* | iq2000-* \ | le32-* | le64-* \ | lm32-* \ | m32c-* | m32r-* | m32rle-* \ | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \ | m88110-* | m88k-* | maxq-* | mcore-* | metag-* | microblaze-* \ | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \ | mips16-* \ | mips64-* | mips64el-* \ | mips64octeon-* | mips64octeonel-* \ | mips64orion-* | mips64orionel-* \ | mips64r5900-* | mips64r5900el-* \ | mips64vr-* | mips64vrel-* \ | mips64vr4100-* | mips64vr4100el-* \ | mips64vr4300-* | mips64vr4300el-* \ | mips64vr5000-* | mips64vr5000el-* \ | mips64vr5900-* | mips64vr5900el-* \ | mipsisa32-* | mipsisa32el-* \ | mipsisa32r2-* | mipsisa32r2el-* \ | mipsisa64-* | mipsisa64el-* \ | mipsisa64r2-* | mipsisa64r2el-* \ | mipsisa64sb1-* | mipsisa64sb1el-* \ | mipsisa64sr71k-* | mipsisa64sr71kel-* \ | mipstx39-* | mipstx39el-* \ | mmix-* \ | mt-* \ | msp430-* \ | nds32-* | nds32le-* | nds32be-* \ | nios-* | nios2-* \ | none-* | np1-* | ns16k-* | ns32k-* \ | open8-* \ | orion-* \ | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \ | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \ | pyramid-* \ | rl78-* | romp-* | rs6000-* | rx-* \ | sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \ | shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \ | sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \ | sparclite-* \ | sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx?-* \ | tahoe-* \ | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \ | tile*-* \ | tron-* \ | ubicom32-* \ | v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \ | vax-* \ | we32k-* \ | x86-* | x86_64-* | xc16x-* | xps100-* \ | xstormy16-* | xtensa*-* \ | ymp-* \ | z8k-* | z80-*) ;; # Recognize the basic CPU types without company name, with glob match. xtensa*) basic_machine=$basic_machine-unknown ;; # Recognize the various machine names and aliases which stand # for a CPU type and a company and sometimes even an OS. 386bsd) basic_machine=i386-unknown os=-bsd ;; 3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc) basic_machine=m68000-att ;; 3b*) basic_machine=we32k-att ;; a29khif) basic_machine=a29k-amd os=-udi ;; abacus) basic_machine=abacus-unknown ;; adobe68k) basic_machine=m68010-adobe os=-scout ;; alliant | fx80) basic_machine=fx80-alliant ;; altos | altos3068) basic_machine=m68k-altos ;; am29k) basic_machine=a29k-none os=-bsd ;; amd64) basic_machine=x86_64-pc ;; amd64-*) basic_machine=x86_64-`echo $basic_machine | sed 's/^[^-]*-//'` ;; amdahl) basic_machine=580-amdahl os=-sysv ;; amiga | amiga-*) basic_machine=m68k-unknown ;; amigaos | amigados) basic_machine=m68k-unknown os=-amigaos ;; amigaunix | amix) basic_machine=m68k-unknown os=-sysv4 ;; apollo68) basic_machine=m68k-apollo os=-sysv ;; apollo68bsd) basic_machine=m68k-apollo os=-bsd ;; aros) basic_machine=i386-pc os=-aros ;; aux) basic_machine=m68k-apple os=-aux ;; balance) basic_machine=ns32k-sequent os=-dynix ;; blackfin) basic_machine=bfin-unknown os=-linux ;; blackfin-*) basic_machine=bfin-`echo $basic_machine | sed 's/^[^-]*-//'` os=-linux ;; bluegene*) basic_machine=powerpc-ibm os=-cnk ;; c54x-*) basic_machine=tic54x-`echo $basic_machine | sed 's/^[^-]*-//'` ;; c55x-*) basic_machine=tic55x-`echo $basic_machine | sed 's/^[^-]*-//'` ;; c6x-*) basic_machine=tic6x-`echo $basic_machine | sed 's/^[^-]*-//'` ;; c90) basic_machine=c90-cray os=-unicos ;; cegcc) basic_machine=arm-unknown os=-cegcc ;; convex-c1) basic_machine=c1-convex os=-bsd ;; convex-c2) basic_machine=c2-convex os=-bsd ;; convex-c32) basic_machine=c32-convex os=-bsd ;; convex-c34) basic_machine=c34-convex os=-bsd ;; convex-c38) basic_machine=c38-convex os=-bsd ;; cray | j90) basic_machine=j90-cray os=-unicos ;; craynv) basic_machine=craynv-cray os=-unicosmp ;; cr16 | cr16-*) basic_machine=cr16-unknown os=-elf ;; crds | unos) basic_machine=m68k-crds ;; crisv32 | crisv32-* | etraxfs*) basic_machine=crisv32-axis ;; cris | cris-* | etrax*) basic_machine=cris-axis ;; crx) basic_machine=crx-unknown os=-elf ;; da30 | da30-*) basic_machine=m68k-da30 ;; decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn) basic_machine=mips-dec ;; decsystem10* | dec10*) basic_machine=pdp10-dec os=-tops10 ;; decsystem20* | dec20*) basic_machine=pdp10-dec os=-tops20 ;; delta | 3300 | motorola-3300 | motorola-delta \ | 3300-motorola | delta-motorola) basic_machine=m68k-motorola ;; delta88) basic_machine=m88k-motorola os=-sysv3 ;; dicos) basic_machine=i686-pc os=-dicos ;; djgpp) basic_machine=i586-pc os=-msdosdjgpp ;; dpx20 | dpx20-*) basic_machine=rs6000-bull os=-bosx ;; dpx2* | dpx2*-bull) basic_machine=m68k-bull os=-sysv3 ;; ebmon29k) basic_machine=a29k-amd os=-ebmon ;; elxsi) basic_machine=elxsi-elxsi os=-bsd ;; encore | umax | mmax) basic_machine=ns32k-encore ;; es1800 | OSE68k | ose68k | ose | OSE) basic_machine=m68k-ericsson os=-ose ;; fx2800) basic_machine=i860-alliant ;; genix) basic_machine=ns32k-ns ;; gmicro) basic_machine=tron-gmicro os=-sysv ;; go32) basic_machine=i386-pc os=-go32 ;; h3050r* | hiux*) basic_machine=hppa1.1-hitachi os=-hiuxwe2 ;; h8300hms) basic_machine=h8300-hitachi os=-hms ;; h8300xray) basic_machine=h8300-hitachi os=-xray ;; h8500hms) basic_machine=h8500-hitachi os=-hms ;; harris) basic_machine=m88k-harris os=-sysv3 ;; hp300-*) basic_machine=m68k-hp ;; hp300bsd) basic_machine=m68k-hp os=-bsd ;; hp300hpux) basic_machine=m68k-hp os=-hpux ;; hp3k9[0-9][0-9] | hp9[0-9][0-9]) basic_machine=hppa1.0-hp ;; hp9k2[0-9][0-9] | hp9k31[0-9]) basic_machine=m68000-hp ;; hp9k3[2-9][0-9]) basic_machine=m68k-hp ;; hp9k6[0-9][0-9] | hp6[0-9][0-9]) basic_machine=hppa1.0-hp ;; hp9k7[0-79][0-9] | hp7[0-79][0-9]) basic_machine=hppa1.1-hp ;; hp9k78[0-9] | hp78[0-9]) # FIXME: really hppa2.0-hp basic_machine=hppa1.1-hp ;; hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893) # FIXME: really hppa2.0-hp basic_machine=hppa1.1-hp ;; hp9k8[0-9][13679] | hp8[0-9][13679]) basic_machine=hppa1.1-hp ;; hp9k8[0-9][0-9] | hp8[0-9][0-9]) basic_machine=hppa1.0-hp ;; hppa-next) os=-nextstep3 ;; hppaosf) basic_machine=hppa1.1-hp os=-osf ;; hppro) basic_machine=hppa1.1-hp os=-proelf ;; i370-ibm* | ibm*) basic_machine=i370-ibm ;; i*86v32) basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` os=-sysv32 ;; i*86v4*) basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` os=-sysv4 ;; i*86v) basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` os=-sysv ;; i*86sol2) basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` os=-solaris2 ;; i386mach) basic_machine=i386-mach os=-mach ;; i386-vsta | vsta) basic_machine=i386-unknown os=-vsta ;; iris | iris4d) basic_machine=mips-sgi case $os in -irix*) ;; *) os=-irix4 ;; esac ;; isi68 | isi) basic_machine=m68k-isi os=-sysv ;; m68knommu) basic_machine=m68k-unknown os=-linux ;; m68knommu-*) basic_machine=m68k-`echo $basic_machine | sed 's/^[^-]*-//'` os=-linux ;; m88k-omron*) basic_machine=m88k-omron ;; magnum | m3230) basic_machine=mips-mips os=-sysv ;; 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-/'` ;; msys) basic_machine=i386-pc os=-msys ;; mvs) basic_machine=i370-ibm os=-mvs ;; nacl) basic_machine=le32-unknown os=-nacl ;; 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 ;; nh[45]000) basic_machine=m88k-harris os=-cxux ;; nindy960) basic_machine=i960-intel os=-nindy ;; mon960) basic_machine=i960-intel os=-mon960 ;; nonstopux) basic_machine=mips-compaq os=-nonstopux ;; np1) basic_machine=np1-gould ;; neo-tandem) basic_machine=neo-tandem ;; nse-tandem) basic_machine=nse-tandem ;; nsr-tandem) basic_machine=nsr-tandem ;; op50n-* | op60c-*) basic_machine=hppa1.1-oki os=-proelf ;; openrisc | openrisc-*) basic_machine=or32-unknown ;; os400) basic_machine=powerpc-ibm os=-os400 ;; OSE68000 | ose68000) basic_machine=m68000-ericsson os=-ose ;; os68k) basic_machine=m68k-none os=-os68k ;; pa-hitachi) basic_machine=hppa1.1-hitachi os=-hiuxwe2 ;; paragon) basic_machine=i860-intel os=-osf ;; parisc) basic_machine=hppa-unknown os=-linux ;; parisc-*) basic_machine=hppa-`echo $basic_machine | sed 's/^[^-]*-//'` os=-linux ;; pbd) basic_machine=sparc-tti ;; pbb) basic_machine=m68k-tti ;; pc532 | pc532-*) basic_machine=ns32k-pc532 ;; pc98) basic_machine=i386-pc ;; pc98-*) basic_machine=i386-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pentium | p5 | k5 | k6 | nexgen | viac3) basic_machine=i586-pc ;; pentiumpro | p6 | 6x86 | athlon | athlon_*) basic_machine=i686-pc ;; pentiumii | pentium2 | pentiumiii | pentium3) basic_machine=i686-pc ;; pentium4) basic_machine=i786-pc ;; pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*) basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pentiumpro-* | p6-* | 6x86-* | athlon-*) basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*) basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pentium4-*) basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pn) basic_machine=pn-gould ;; power) basic_machine=power-ibm ;; ppc | ppcbe) basic_machine=powerpc-unknown ;; ppc-* | ppcbe-*) basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'` ;; ppcle | powerpclittle | ppc-le | powerpc-little) basic_machine=powerpcle-unknown ;; ppcle-* | powerpclittle-*) basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'` ;; ppc64) basic_machine=powerpc64-unknown ;; ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'` ;; ppc64le | powerpc64little | ppc64-le | powerpc64-little) basic_machine=powerpc64le-unknown ;; ppc64le-* | powerpc64little-*) basic_machine=powerpc64le-`echo $basic_machine | sed 's/^[^-]*-//'` ;; ps2) basic_machine=i386-ibm ;; pw32) basic_machine=i586-unknown os=-pw32 ;; rdos) basic_machine=i386-pc os=-rdos ;; rom68k) basic_machine=m68k-rom68k os=-coff ;; rm[46]00) basic_machine=mips-siemens ;; rtpc | rtpc-*) basic_machine=romp-ibm ;; s390 | s390-*) basic_machine=s390-ibm ;; s390x | s390x-*) basic_machine=s390x-ibm ;; sa29200) basic_machine=a29k-amd os=-udi ;; sb1) basic_machine=mipsisa64sb1-unknown ;; sb1el) basic_machine=mipsisa64sb1el-unknown ;; sde) basic_machine=mipsisa32-sde os=-elf ;; sei) basic_machine=mips-sei os=-seiux ;; sequent) basic_machine=i386-sequent ;; sh) basic_machine=sh-hitachi os=-hms ;; sh5el) basic_machine=sh5le-unknown ;; sh64) basic_machine=sh64-unknown ;; sparclite-wrs | simso-wrs) basic_machine=sparclite-wrs os=-vxworks ;; sps7) basic_machine=m68k-bull os=-sysv2 ;; spur) basic_machine=spur-unknown ;; st2000) basic_machine=m68k-tandem ;; stratus) basic_machine=i860-stratus os=-sysv4 ;; strongarm-* | thumb-*) basic_machine=arm-`echo $basic_machine | sed 's/^[^-]*-//'` ;; sun2) basic_machine=m68000-sun ;; sun2os3) basic_machine=m68000-sun os=-sunos3 ;; sun2os4) basic_machine=m68000-sun os=-sunos4 ;; sun3os3) basic_machine=m68k-sun os=-sunos3 ;; sun3os4) basic_machine=m68k-sun os=-sunos4 ;; sun4os3) basic_machine=sparc-sun os=-sunos3 ;; sun4os4) basic_machine=sparc-sun os=-sunos4 ;; sun4sol2) basic_machine=sparc-sun os=-solaris2 ;; sun3 | sun3-*) basic_machine=m68k-sun ;; sun4) basic_machine=sparc-sun ;; sun386 | sun386i | roadrunner) basic_machine=i386-sun ;; sv1) basic_machine=sv1-cray os=-unicos ;; symmetry) basic_machine=i386-sequent os=-dynix ;; t3e) basic_machine=alphaev5-cray os=-unicos ;; t90) basic_machine=t90-cray os=-unicos ;; tile*) basic_machine=$basic_machine-unknown os=-linux-gnu ;; tx39) basic_machine=mipstx39-unknown ;; tx39el) basic_machine=mipstx39el-unknown ;; toad1) basic_machine=pdp10-xkl os=-tops20 ;; tower | tower-32) basic_machine=m68k-ncr ;; tpf) basic_machine=s390x-ibm os=-tpf ;; udi29k) basic_machine=a29k-amd os=-udi ;; ultra3) basic_machine=a29k-nyu os=-sym1 ;; v810 | necv810) basic_machine=v810-nec os=-none ;; vaxv) basic_machine=vax-dec os=-sysv ;; vms) basic_machine=vax-dec os=-vms ;; vpp*|vx|vx-*) basic_machine=f301-fujitsu ;; vxworks960) basic_machine=i960-wrs os=-vxworks ;; vxworks68) basic_machine=m68k-wrs os=-vxworks ;; vxworks29k) basic_machine=a29k-wrs os=-vxworks ;; w65*) basic_machine=w65-wdc os=-none ;; w89k-*) basic_machine=hppa1.1-winbond os=-proelf ;; xbox) basic_machine=i686-pc os=-mingw32 ;; xps | xps100) basic_machine=xps100-honeywell ;; xscale-* | xscalee[bl]-*) basic_machine=`echo $basic_machine | sed 's/^xscale/arm/'` ;; ymp) basic_machine=ymp-cray os=-unicos ;; z8k-*-coff) basic_machine=z8k-unknown os=-sim ;; z80-*-coff) basic_machine=z80-unknown os=-sim ;; none) basic_machine=none-none os=-none ;; # Here we handle the default manufacturer of certain CPU types. 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See the # GNU General Public License for more details. # You should have received a copy of the GNU General Public License # along with 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 outputting dependencies. libtool Whether libtool is used (yes/no). Report bugs to . EOF exit $? ;; -v | --v*) echo "depcomp $scriptversion" exit $? ;; esac # A tabulation character. tab=' ' # A newline character. nl=' ' if test -z "$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 "$depmode" = msvcmsys; then # This is just like msvisualcpp but w/o cygpath translation. # Just convert the backslash-escaped backslashes to single forward # slashes to satisfy depend.m4 cygpath_u='sed s,\\\\,/,g' depmode=msvisualcpp fi if test "$depmode" = msvc7msys; then # This is just like msvc7 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=msvc7 fi if test "$depmode" = xlc; then # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency informations. gccflag=-qmakedep=gcc,-MF depmode=gcc fi case "$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" >> "$depfile" ## This next piece of magic avoids the "deleted header file" problem. ## The problem is that when a header file which appears in a .P file ## is deleted, the dependency causes make to die (because there is ## typically no way to rebuild the header). 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Also, the AIX compiler puts '$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" sed -e 's,^.*\.[a-z]*:['"$tab"' ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$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 anf tcc (Tiny C Compiler) understand '-MD -MF file'. # However on # $CC -MD -MF foo.d -c -o sub/foo.o sub/foo.c # ICC 7.0 will fill foo.d with something like # foo.o: sub/foo.c # foo.o: sub/foo.h # which is wrong. We want # sub/foo.o: sub/foo.c # sub/foo.o: sub/foo.h # sub/foo.c: # sub/foo.h: # ICC 7.1 will output # foo.o: sub/foo.c sub/foo.h # and will wrap long lines using '\': # foo.o: sub/foo.c ... \ # sub/foo.h ... \ # ... # tcc 0.9.26 (FIXME still under development at the moment of writing) # will emit a similar output, but also prepend the continuation lines # with horizontal tabulation characters. "$@" -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 -e "s/^[ $tab][ $tab]*/ /" -e "s,^[^:]*:,$object :," \ < "$tmpdepfile" > "$depfile" sed ' s/[ '"$tab"'][ '"$tab"']*/ /g s/^ *// s/ *\\*$// s/^[^:]*: *// /^$/d /:$/d s/$/ :/ ' < "$tmpdepfile" >> "$depfile" rm -f "$tmpdepfile" ;; hp2) # The "hp" stanza above does not work with aCC (C++) and HP's ia64 # compilers, which have integrated preprocessors. 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[MODE-ARG]... # # Provide generalized library-building support services. # # --config show all configuration variables # --debug enable verbose shell tracing # -n, --dry-run display commands without modifying any files # --features display basic configuration information and exit # --mode=MODE use operation mode MODE # --preserve-dup-deps don't remove duplicate dependency libraries # --quiet, --silent don't print informational messages # --no-quiet, --no-silent # print informational messages (default) # --no-warn don't display warning messages # --tag=TAG use configuration variables from tag TAG # -v, --verbose print more informational messages than default # --no-verbose don't print the extra informational messages # --version print version information # -h, --help, --help-all print short, long, or detailed help message # # MODE must be one of the following: # # clean remove files from the build directory # compile compile a source file into a libtool object # execute automatically set library path, then run a program # finish complete the installation of libtool libraries # install install libraries or executables # link create a library or an executable # uninstall remove libraries from an installed directory # # MODE-ARGS vary depending on the MODE. 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Disable this feature. alias -g '${1+"$@"}'='"$@"' setopt NO_GLOB_SUBST else case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac fi BIN_SH=xpg4; export BIN_SH # for Tru64 DUALCASE=1; export DUALCASE # for MKS sh # A function that is used when there is no print builtin or printf. func_fallback_echo () { eval 'cat <<_LTECHO_EOF $1 _LTECHO_EOF' } # NLS nuisances: We save the old values to restore during execute mode. lt_user_locale= lt_safe_locale= for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES do eval "if test \"\${$lt_var+set}\" = set; then save_$lt_var=\$$lt_var $lt_var=C export $lt_var lt_user_locale=\"$lt_var=\\\$save_\$lt_var; \$lt_user_locale\" lt_safe_locale=\"$lt_var=C; \$lt_safe_locale\" fi" done LC_ALL=C LANGUAGE=C export LANGUAGE LC_ALL $lt_unset CDPATH # Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh # is ksh but when the shell is invoked as "sh" and the current value of # the _XPG environment variable is not equal to 1 (one), the special # positional parameter $0, within a function call, is the name of the # function. progpath="$0" : ${CP="cp -f"} test "${ECHO+set}" = set || ECHO=${as_echo-'printf %s\n'} : ${MAKE="make"} : ${MKDIR="mkdir"} : ${MV="mv -f"} : ${RM="rm -f"} : ${SHELL="${CONFIG_SHELL-/bin/sh}"} : ${Xsed="$SED -e 1s/^X//"} # Global variables: EXIT_SUCCESS=0 EXIT_FAILURE=1 EXIT_MISMATCH=63 # $? = 63 is used to indicate version mismatch to missing. EXIT_SKIP=77 # $? = 77 is used to indicate a skipped test to automake. exit_status=$EXIT_SUCCESS # Make sure IFS has a sensible default lt_nl=' ' IFS=" $lt_nl" dirname="s,/[^/]*$,," basename="s,^.*/,," # func_dirname file append nondir_replacement # Compute the dirname of FILE. If nonempty, add APPEND to the result, # otherwise set result to NONDIR_REPLACEMENT. func_dirname () { func_dirname_result=`$ECHO "${1}" | $SED "$dirname"` if test "X$func_dirname_result" = "X${1}"; then func_dirname_result="${3}" else func_dirname_result="$func_dirname_result${2}" fi } # func_dirname may be replaced by extended shell implementation # func_basename file func_basename () { func_basename_result=`$ECHO "${1}" | $SED "$basename"` } # func_basename may be replaced by extended shell implementation # func_dirname_and_basename file append nondir_replacement # perform func_basename and func_dirname in a single function # call: # dirname: Compute the dirname of FILE. If nonempty, # add APPEND to the result, otherwise set result # to NONDIR_REPLACEMENT. # value returned in "$func_dirname_result" # basename: Compute filename of FILE. # value retuned in "$func_basename_result" # Implementation must be kept synchronized with func_dirname # and func_basename. For efficiency, we do not delegate to # those functions but instead duplicate the functionality here. func_dirname_and_basename () { # Extract subdirectory from the argument. func_dirname_result=`$ECHO "${1}" | $SED -e "$dirname"` if test "X$func_dirname_result" = "X${1}"; then func_dirname_result="${3}" else func_dirname_result="$func_dirname_result${2}" fi func_basename_result=`$ECHO "${1}" | $SED -e "$basename"` } # func_dirname_and_basename may be replaced by extended shell implementation # func_stripname prefix suffix name # strip PREFIX and SUFFIX off of NAME. # PREFIX and SUFFIX must not contain globbing or regex special # characters, hashes, percent signs, but SUFFIX may contain a leading # dot (in which case that matches only a dot). # func_strip_suffix prefix name func_stripname () { case ${2} in .*) func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%\\\\${2}\$%%"`;; *) func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%${2}\$%%"`;; esac } # func_stripname may be replaced by extended shell implementation # These SED scripts presuppose an absolute path with a trailing slash. pathcar='s,^/\([^/]*\).*$,\1,' pathcdr='s,^/[^/]*,,' removedotparts=':dotsl s@/\./@/@g t dotsl s,/\.$,/,' collapseslashes='s@/\{1,\}@/@g' finalslash='s,/*$,/,' # func_normal_abspath PATH # Remove doubled-up and trailing slashes, "." path components, # and cancel out any ".." path components in PATH after making # it an absolute path. # value returned in "$func_normal_abspath_result" func_normal_abspath () { # Start from root dir and reassemble the path. func_normal_abspath_result= func_normal_abspath_tpath=$1 func_normal_abspath_altnamespace= case $func_normal_abspath_tpath in "") # Empty path, that just means $cwd. func_stripname '' '/' "`pwd`" func_normal_abspath_result=$func_stripname_result return ;; # The next three entries are used to spot a run of precisely # two leading slashes without using negated character classes; # we take advantage of case's first-match behaviour. ///*) # Unusual form of absolute path, do nothing. ;; //*) # Not necessarily an ordinary path; POSIX reserves leading '//' # and for example Cygwin uses it to access remote file shares # over CIFS/SMB, so we conserve a leading double slash if found. func_normal_abspath_altnamespace=/ ;; /*) # Absolute path, do nothing. ;; *) # Relative path, prepend $cwd. func_normal_abspath_tpath=`pwd`/$func_normal_abspath_tpath ;; esac # Cancel out all the simple stuff to save iterations. We also want # the path to end with a slash for ease of parsing, so make sure # there is one (and only one) here. func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \ -e "$removedotparts" -e "$collapseslashes" -e "$finalslash"` while :; do # Processed it all yet? if test "$func_normal_abspath_tpath" = / ; then # If we ascended to the root using ".." the result may be empty now. if test -z "$func_normal_abspath_result" ; then func_normal_abspath_result=/ fi break fi func_normal_abspath_tcomponent=`$ECHO "$func_normal_abspath_tpath" | $SED \ -e "$pathcar"` func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \ -e "$pathcdr"` # Figure out what to do with it case $func_normal_abspath_tcomponent in "") # Trailing empty path component, ignore it. ;; ..) # Parent dir; strip last assembled component from result. func_dirname "$func_normal_abspath_result" func_normal_abspath_result=$func_dirname_result ;; *) # Actual path component, append it. func_normal_abspath_result=$func_normal_abspath_result/$func_normal_abspath_tcomponent ;; esac done # Restore leading double-slash if one was found on entry. func_normal_abspath_result=$func_normal_abspath_altnamespace$func_normal_abspath_result } # func_relative_path SRCDIR DSTDIR # generates a relative path from SRCDIR to DSTDIR, with a trailing # slash if non-empty, suitable for immediately appending a filename # without needing to append a separator. # value returned in "$func_relative_path_result" func_relative_path () { func_relative_path_result= func_normal_abspath "$1" func_relative_path_tlibdir=$func_normal_abspath_result func_normal_abspath "$2" func_relative_path_tbindir=$func_normal_abspath_result # Ascend the tree starting from libdir while :; do # check if we have found a prefix of bindir case $func_relative_path_tbindir in $func_relative_path_tlibdir) # found an exact match func_relative_path_tcancelled= break ;; $func_relative_path_tlibdir*) # found a matching prefix func_stripname "$func_relative_path_tlibdir" '' "$func_relative_path_tbindir" func_relative_path_tcancelled=$func_stripname_result if test -z "$func_relative_path_result"; then func_relative_path_result=. fi break ;; *) func_dirname $func_relative_path_tlibdir func_relative_path_tlibdir=${func_dirname_result} if test "x$func_relative_path_tlibdir" = x ; then # Have to descend all the way to the root! func_relative_path_result=../$func_relative_path_result func_relative_path_tcancelled=$func_relative_path_tbindir break fi func_relative_path_result=../$func_relative_path_result ;; esac done # Now calculate path; take care to avoid doubling-up slashes. func_stripname '' '/' "$func_relative_path_result" func_relative_path_result=$func_stripname_result func_stripname '/' '/' "$func_relative_path_tcancelled" if test "x$func_stripname_result" != x ; then func_relative_path_result=${func_relative_path_result}/${func_stripname_result} fi # Normalisation. If bindir is libdir, return empty string, # else relative path ending with a slash; either way, target # file name can be directly appended. if test ! -z "$func_relative_path_result"; then func_stripname './' '' "$func_relative_path_result/" func_relative_path_result=$func_stripname_result fi } # The name of this program: func_dirname_and_basename "$progpath" progname=$func_basename_result # Make sure we have an absolute path for reexecution: case $progpath in [\\/]*|[A-Za-z]:\\*) ;; *[\\/]*) progdir=$func_dirname_result progdir=`cd "$progdir" && pwd` progpath="$progdir/$progname" ;; *) save_IFS="$IFS" IFS=${PATH_SEPARATOR-:} for progdir in $PATH; do IFS="$save_IFS" test -x "$progdir/$progname" && break done IFS="$save_IFS" test -n "$progdir" || progdir=`pwd` progpath="$progdir/$progname" ;; esac # Sed substitution that helps us do robust quoting. It backslashifies # metacharacters that are still active within double-quoted strings. Xsed="${SED}"' -e 1s/^X//' sed_quote_subst='s/\([`"$\\]\)/\\\1/g' # Same as above, but do not quote variable references. double_quote_subst='s/\(["`\\]\)/\\\1/g' # Sed substitution that turns a string into a regex matching for the # string literally. sed_make_literal_regex='s,[].[^$\\*\/],\\&,g' # Sed substitution that converts a w32 file name or path # which contains forward slashes, into one that contains # (escaped) backslashes. A very naive implementation. lt_sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g' # Re-`\' parameter expansions in output of double_quote_subst that were # `\'-ed in input to the same. If an odd number of `\' preceded a '$' # in input to double_quote_subst, that '$' was protected from expansion. # Since each input `\' is now two `\'s, look for any number of runs of # four `\'s followed by two `\'s and then a '$'. `\' that '$'. bs='\\' bs2='\\\\' bs4='\\\\\\\\' dollar='\$' sed_double_backslash="\ s/$bs4/&\\ /g s/^$bs2$dollar/$bs&/ s/\\([^$bs]\\)$bs2$dollar/\\1$bs2$bs$dollar/g s/\n//g" # Standard options: opt_dry_run=false opt_help=false opt_quiet=false opt_verbose=false opt_warning=: # func_echo arg... # Echo program name prefixed message, along with the current mode # name if it has been set yet. func_echo () { $ECHO "$progname: ${opt_mode+$opt_mode: }$*" } # func_verbose arg... # Echo program name prefixed message in verbose mode only. func_verbose () { $opt_verbose && func_echo ${1+"$@"} # A bug in bash halts the script if the last line of a function # fails when set -e is in force, so we need another command to # work around that: : } # func_echo_all arg... # Invoke $ECHO with all args, space-separated. func_echo_all () { $ECHO "$*" } # func_error arg... # Echo program name prefixed message to standard error. func_error () { $ECHO "$progname: ${opt_mode+$opt_mode: }"${1+"$@"} 1>&2 } # func_warning arg... # Echo program name prefixed warning message to standard error. func_warning () { $opt_warning && $ECHO "$progname: ${opt_mode+$opt_mode: }warning: "${1+"$@"} 1>&2 # bash bug again: : } # func_fatal_error arg... # Echo program name prefixed message to standard error, and exit. func_fatal_error () { func_error ${1+"$@"} exit $EXIT_FAILURE } # func_fatal_help arg... # Echo program name prefixed message to standard error, followed by # a help hint, and exit. func_fatal_help () { func_error ${1+"$@"} func_fatal_error "$help" } help="Try \`$progname --help' for more information." ## default # func_grep expression filename # Check whether EXPRESSION matches any line of FILENAME, without output. func_grep () { $GREP "$1" "$2" >/dev/null 2>&1 } # func_mkdir_p directory-path # Make sure the entire path to DIRECTORY-PATH is available. func_mkdir_p () { my_directory_path="$1" my_dir_list= if test -n "$my_directory_path" && test "$opt_dry_run" != ":"; then # Protect directory names starting with `-' case $my_directory_path in -*) my_directory_path="./$my_directory_path" ;; esac # While some portion of DIR does not yet exist... while test ! -d "$my_directory_path"; do # ...make a list in topmost first order. Use a colon delimited # list incase some portion of path contains whitespace. my_dir_list="$my_directory_path:$my_dir_list" # If the last portion added has no slash in it, the list is done case $my_directory_path in */*) ;; *) break ;; esac # ...otherwise throw away the child directory and loop my_directory_path=`$ECHO "$my_directory_path" | $SED -e "$dirname"` done my_dir_list=`$ECHO "$my_dir_list" | $SED 's,:*$,,'` save_mkdir_p_IFS="$IFS"; IFS=':' for my_dir in $my_dir_list; do IFS="$save_mkdir_p_IFS" # mkdir can fail with a `File exist' error if two processes # try to create one of the directories concurrently. Don't # stop in that case! $MKDIR "$my_dir" 2>/dev/null || : done IFS="$save_mkdir_p_IFS" # Bail out if we (or some other process) failed to create a directory. test -d "$my_directory_path" || \ func_fatal_error "Failed to create \`$1'" fi } # func_mktempdir [string] # Make a temporary directory that won't clash with other running # libtool processes, and avoids race conditions if possible. If # given, STRING is the basename for that directory. func_mktempdir () { my_template="${TMPDIR-/tmp}/${1-$progname}" if test "$opt_dry_run" = ":"; then # Return a directory name, but don't create it in dry-run mode my_tmpdir="${my_template}-$$" else # If mktemp works, use that first and foremost my_tmpdir=`mktemp -d "${my_template}-XXXXXXXX" 2>/dev/null` if test ! -d "$my_tmpdir"; then # Failing that, at least try and use $RANDOM to avoid a race my_tmpdir="${my_template}-${RANDOM-0}$$" save_mktempdir_umask=`umask` umask 0077 $MKDIR "$my_tmpdir" umask $save_mktempdir_umask fi # If we're not in dry-run mode, bomb out on failure test -d "$my_tmpdir" || \ func_fatal_error "cannot create temporary directory \`$my_tmpdir'" fi $ECHO "$my_tmpdir" } # func_quote_for_eval arg # Aesthetically quote ARG to be evaled later. # This function returns two values: FUNC_QUOTE_FOR_EVAL_RESULT # is double-quoted, suitable for a subsequent eval, whereas # FUNC_QUOTE_FOR_EVAL_UNQUOTED_RESULT has merely all characters # which are still active within double quotes backslashified. func_quote_for_eval () { case $1 in *[\\\`\"\$]*) func_quote_for_eval_unquoted_result=`$ECHO "$1" | $SED "$sed_quote_subst"` ;; *) func_quote_for_eval_unquoted_result="$1" ;; esac case $func_quote_for_eval_unquoted_result in # Double-quote args containing shell metacharacters to delay # word splitting, command substitution and and variable # expansion for a subsequent eval. # Many Bourne shells cannot handle close brackets correctly # in scan sets, so we specify it separately. *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") func_quote_for_eval_result="\"$func_quote_for_eval_unquoted_result\"" ;; *) func_quote_for_eval_result="$func_quote_for_eval_unquoted_result" esac } # func_quote_for_expand arg # Aesthetically quote ARG to be evaled later; same as above, # but do not quote variable references. func_quote_for_expand () { case $1 in *[\\\`\"]*) my_arg=`$ECHO "$1" | $SED \ -e "$double_quote_subst" -e "$sed_double_backslash"` ;; *) my_arg="$1" ;; esac case $my_arg in # Double-quote args containing shell metacharacters to delay # word splitting and command substitution for a subsequent eval. # Many Bourne shells cannot handle close brackets correctly # in scan sets, so we specify it separately. *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") my_arg="\"$my_arg\"" ;; esac func_quote_for_expand_result="$my_arg" } # func_show_eval cmd [fail_exp] # Unless opt_silent is true, then output CMD. Then, if opt_dryrun is # not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP # is given, then evaluate it. func_show_eval () { my_cmd="$1" my_fail_exp="${2-:}" ${opt_silent-false} || { func_quote_for_expand "$my_cmd" eval "func_echo $func_quote_for_expand_result" } if ${opt_dry_run-false}; then :; else eval "$my_cmd" my_status=$? if test "$my_status" -eq 0; then :; else eval "(exit $my_status); $my_fail_exp" fi fi } # func_show_eval_locale cmd [fail_exp] # Unless opt_silent is true, then output CMD. Then, if opt_dryrun is # not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP # is given, then evaluate it. Use the saved locale for evaluation. func_show_eval_locale () { my_cmd="$1" my_fail_exp="${2-:}" ${opt_silent-false} || { func_quote_for_expand "$my_cmd" eval "func_echo $func_quote_for_expand_result" } if ${opt_dry_run-false}; then :; else eval "$lt_user_locale $my_cmd" my_status=$? eval "$lt_safe_locale" if test "$my_status" -eq 0; then :; else eval "(exit $my_status); $my_fail_exp" fi fi } # func_tr_sh # Turn $1 into a string suitable for a shell variable name. # Result is stored in $func_tr_sh_result. All characters # not in the set a-zA-Z0-9_ are replaced with '_'. Further, # if $1 begins with a digit, a '_' is prepended as well. func_tr_sh () { case $1 in [0-9]* | *[!a-zA-Z0-9_]*) func_tr_sh_result=`$ECHO "$1" | $SED 's/^\([0-9]\)/_\1/; s/[^a-zA-Z0-9_]/_/g'` ;; * ) func_tr_sh_result=$1 ;; esac } # func_version # Echo version message to standard output and exit. func_version () { $opt_debug $SED -n '/(C)/!b go :more /\./!{ N s/\n# / / b more } :go /^# '$PROGRAM' (GNU /,/# warranty; / { s/^# // s/^# *$// s/\((C)\)[ 0-9,-]*\( [1-9][0-9]*\)/\1\2/ p }' < "$progpath" exit $? } # func_usage # Echo short help message to standard output and exit. func_usage () { $opt_debug $SED -n '/^# Usage:/,/^# *.*--help/ { s/^# // s/^# *$// s/\$progname/'$progname'/ p }' < "$progpath" echo $ECHO "run \`$progname --help | more' for full usage" exit $? } # func_help [NOEXIT] # Echo long help message to standard output and exit, # unless 'noexit' is passed as argument. func_help () { $opt_debug $SED -n '/^# Usage:/,/# Report bugs to/ { :print s/^# // s/^# *$// s*\$progname*'$progname'* s*\$host*'"$host"'* s*\$SHELL*'"$SHELL"'* s*\$LTCC*'"$LTCC"'* s*\$LTCFLAGS*'"$LTCFLAGS"'* s*\$LD*'"$LD"'* s/\$with_gnu_ld/'"$with_gnu_ld"'/ s/\$automake_version/'"`(${AUTOMAKE-automake} --version) 2>/dev/null |$SED 1q`"'/ s/\$autoconf_version/'"`(${AUTOCONF-autoconf} --version) 2>/dev/null |$SED 1q`"'/ p d } /^# .* home page:/b print /^# General help using/b print ' < "$progpath" ret=$? if test -z "$1"; then exit $ret fi } # func_missing_arg argname # Echo program name prefixed message to standard error and set global # exit_cmd. func_missing_arg () { $opt_debug func_error "missing argument for $1." exit_cmd=exit } # func_split_short_opt shortopt # Set func_split_short_opt_name and func_split_short_opt_arg shell # variables after splitting SHORTOPT after the 2nd character. func_split_short_opt () { my_sed_short_opt='1s/^\(..\).*$/\1/;q' my_sed_short_rest='1s/^..\(.*\)$/\1/;q' func_split_short_opt_name=`$ECHO "$1" | $SED "$my_sed_short_opt"` func_split_short_opt_arg=`$ECHO "$1" | $SED "$my_sed_short_rest"` } # func_split_short_opt may be replaced by extended shell implementation # func_split_long_opt longopt # Set func_split_long_opt_name and func_split_long_opt_arg shell # variables after splitting LONGOPT at the `=' sign. func_split_long_opt () { my_sed_long_opt='1s/^\(--[^=]*\)=.*/\1/;q' my_sed_long_arg='1s/^--[^=]*=//' func_split_long_opt_name=`$ECHO "$1" | $SED "$my_sed_long_opt"` func_split_long_opt_arg=`$ECHO "$1" | $SED "$my_sed_long_arg"` } # func_split_long_opt may be replaced by extended shell implementation exit_cmd=: magic="%%%MAGIC variable%%%" magic_exe="%%%MAGIC EXE variable%%%" # Global variables. nonopt= preserve_args= lo2o="s/\\.lo\$/.${objext}/" o2lo="s/\\.${objext}\$/.lo/" extracted_archives= extracted_serial=0 # If this variable is set in any of the actions, the command in it # will be execed at the end. This prevents here-documents from being # left over by shells. exec_cmd= # func_append var value # Append VALUE to the end of shell variable VAR. func_append () { eval "${1}=\$${1}\${2}" } # func_append may be replaced by extended shell implementation # func_append_quoted var value # Quote VALUE and append to the end of shell variable VAR, separated # by a space. func_append_quoted () { func_quote_for_eval "${2}" eval "${1}=\$${1}\\ \$func_quote_for_eval_result" } # func_append_quoted may be replaced by extended shell implementation # func_arith arithmetic-term... func_arith () { func_arith_result=`expr "${@}"` } # func_arith may be replaced by extended shell implementation # func_len string # STRING may not start with a hyphen. func_len () { func_len_result=`expr "${1}" : ".*" 2>/dev/null || echo $max_cmd_len` } # func_len may be replaced by extended shell implementation # func_lo2o object func_lo2o () { func_lo2o_result=`$ECHO "${1}" | $SED "$lo2o"` } # func_lo2o may be replaced by extended shell implementation # func_xform libobj-or-source func_xform () { func_xform_result=`$ECHO "${1}" | $SED 's/\.[^.]*$/.lo/'` } # func_xform may be replaced by extended shell implementation # func_fatal_configuration arg... # Echo program name prefixed message to standard error, followed by # a configuration failure hint, and exit. func_fatal_configuration () { func_error ${1+"$@"} func_error "See the $PACKAGE documentation for more information." func_fatal_error "Fatal configuration error." } # func_config # Display the configuration for all the tags in this script. func_config () { re_begincf='^# ### BEGIN LIBTOOL' re_endcf='^# ### END LIBTOOL' # Default configuration. $SED "1,/$re_begincf CONFIG/d;/$re_endcf CONFIG/,\$d" < "$progpath" # Now print the configurations for the tags. for tagname in $taglist; do $SED -n "/$re_begincf TAG CONFIG: $tagname\$/,/$re_endcf TAG CONFIG: $tagname\$/p" < "$progpath" done exit $? } # func_features # Display the features supported by this script. func_features () { echo "host: $host" if test "$build_libtool_libs" = yes; then echo "enable shared libraries" else echo "disable shared libraries" fi if test "$build_old_libs" = yes; then echo "enable static libraries" else echo "disable static libraries" fi exit $? } # func_enable_tag tagname # Verify that TAGNAME is valid, and either flag an error and exit, or # enable the TAGNAME tag. We also add TAGNAME to the global $taglist # variable here. func_enable_tag () { # Global variable: tagname="$1" re_begincf="^# ### BEGIN LIBTOOL TAG CONFIG: $tagname\$" re_endcf="^# ### END LIBTOOL TAG CONFIG: $tagname\$" sed_extractcf="/$re_begincf/,/$re_endcf/p" # Validate tagname. case $tagname in *[!-_A-Za-z0-9,/]*) func_fatal_error "invalid tag name: $tagname" ;; esac # Don't test for the "default" C tag, as we know it's # there but not specially marked. case $tagname in CC) ;; *) if $GREP "$re_begincf" "$progpath" >/dev/null 2>&1; then taglist="$taglist $tagname" # Evaluate the configuration. Be careful to quote the path # and the sed script, to avoid splitting on whitespace, but # also don't use non-portable quotes within backquotes within # quotes we have to do it in 2 steps: extractedcf=`$SED -n -e "$sed_extractcf" < "$progpath"` eval "$extractedcf" else func_error "ignoring unknown tag $tagname" fi ;; esac } # func_check_version_match # Ensure that we are using m4 macros, and libtool script from the same # release of libtool. func_check_version_match () { if test "$package_revision" != "$macro_revision"; then if test "$VERSION" != "$macro_version"; then if test -z "$macro_version"; then cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, but the $progname: definition of this LT_INIT comes from an older release. $progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION $progname: and run autoconf again. _LT_EOF else cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, but the $progname: definition of this LT_INIT comes from $PACKAGE $macro_version. $progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION $progname: and run autoconf again. _LT_EOF fi else cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, revision $package_revision, $progname: but the definition of this LT_INIT comes from revision $macro_revision. $progname: You should recreate aclocal.m4 with macros from revision $package_revision $progname: of $PACKAGE $VERSION and run autoconf again. _LT_EOF fi exit $EXIT_MISMATCH fi } # Shorthand for --mode=foo, only valid as the first argument case $1 in clean|clea|cle|cl) shift; set dummy --mode clean ${1+"$@"}; shift ;; compile|compil|compi|comp|com|co|c) shift; set dummy --mode compile ${1+"$@"}; shift ;; execute|execut|execu|exec|exe|ex|e) shift; set dummy --mode execute ${1+"$@"}; shift ;; finish|finis|fini|fin|fi|f) shift; set dummy --mode finish ${1+"$@"}; shift ;; install|instal|insta|inst|ins|in|i) shift; set dummy --mode install ${1+"$@"}; shift ;; link|lin|li|l) shift; set dummy --mode link ${1+"$@"}; shift ;; uninstall|uninstal|uninsta|uninst|unins|unin|uni|un|u) shift; set dummy --mode uninstall ${1+"$@"}; shift ;; esac # Option defaults: opt_debug=: opt_dry_run=false opt_config=false opt_preserve_dup_deps=false opt_features=false opt_finish=false opt_help=false opt_help_all=false opt_silent=: opt_warning=: opt_verbose=: opt_silent=false opt_verbose=false # Parse options once, thoroughly. This comes as soon as possible in the # script to make things like `--version' happen as quickly as we can. { # this just eases exit handling while test $# -gt 0; do opt="$1" shift case $opt in --debug|-x) opt_debug='set -x' func_echo "enabling shell trace mode" $opt_debug ;; --dry-run|--dryrun|-n) opt_dry_run=: ;; --config) opt_config=: func_config ;; --dlopen|-dlopen) optarg="$1" opt_dlopen="${opt_dlopen+$opt_dlopen }$optarg" shift ;; --preserve-dup-deps) opt_preserve_dup_deps=: ;; --features) opt_features=: func_features ;; --finish) opt_finish=: set dummy --mode finish ${1+"$@"}; shift ;; --help) opt_help=: ;; --help-all) opt_help_all=: opt_help=': help-all' ;; --mode) test $# = 0 && func_missing_arg $opt && break optarg="$1" opt_mode="$optarg" case $optarg in # Valid mode arguments: clean|compile|execute|finish|install|link|relink|uninstall) ;; # Catch anything else as an error *) func_error "invalid argument for $opt" exit_cmd=exit break ;; esac shift ;; --no-silent|--no-quiet) opt_silent=false func_append preserve_args " $opt" ;; --no-warning|--no-warn) opt_warning=false func_append preserve_args " $opt" ;; --no-verbose) opt_verbose=false func_append preserve_args " $opt" ;; --silent|--quiet) opt_silent=: func_append preserve_args " $opt" opt_verbose=false ;; --verbose|-v) opt_verbose=: func_append preserve_args " $opt" opt_silent=false ;; --tag) test $# = 0 && func_missing_arg $opt && break optarg="$1" opt_tag="$optarg" func_append preserve_args " $opt $optarg" func_enable_tag "$optarg" shift ;; -\?|-h) func_usage ;; --help) func_help ;; --version) func_version ;; # Separate optargs to long options: --*=*) func_split_long_opt "$opt" set dummy "$func_split_long_opt_name" "$func_split_long_opt_arg" ${1+"$@"} shift ;; # Separate non-argument short options: -\?*|-h*|-n*|-v*) func_split_short_opt "$opt" set dummy "$func_split_short_opt_name" "-$func_split_short_opt_arg" ${1+"$@"} shift ;; --) break ;; -*) func_fatal_help "unrecognized option \`$opt'" ;; *) set dummy "$opt" ${1+"$@"}; shift; break ;; esac done # Validate options: # save first non-option argument if test "$#" -gt 0; then nonopt="$opt" shift fi # preserve --debug test "$opt_debug" = : || func_append preserve_args " --debug" case $host in *cygwin* | *mingw* | *pw32* | *cegcc*) # don't eliminate duplications in $postdeps and $predeps opt_duplicate_compiler_generated_deps=: ;; *) opt_duplicate_compiler_generated_deps=$opt_preserve_dup_deps ;; esac $opt_help || { # Sanity checks first: func_check_version_match if test "$build_libtool_libs" != yes && test "$build_old_libs" != yes; then func_fatal_configuration "not configured to build any kind of library" fi # Darwin sucks eval std_shrext=\"$shrext_cmds\" # Only execute mode is allowed to have -dlopen flags. if test -n "$opt_dlopen" && test "$opt_mode" != execute; then func_error "unrecognized option \`-dlopen'" $ECHO "$help" 1>&2 exit $EXIT_FAILURE fi # Change the help message to a mode-specific one. generic_help="$help" help="Try \`$progname --help --mode=$opt_mode' for more information." } # Bail if the options were screwed $exit_cmd $EXIT_FAILURE } ## ----------- ## ## Main. ## ## ----------- ## # func_lalib_p file # True iff FILE is a libtool `.la' library or `.lo' object file. # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_lalib_p () { test -f "$1" && $SED -e 4q "$1" 2>/dev/null \ | $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1 } # func_lalib_unsafe_p file # True iff FILE is a libtool `.la' library or `.lo' object file. # This function implements the same check as func_lalib_p without # resorting to external programs. To this end, it redirects stdin and # closes it afterwards, without saving the original file descriptor. # As a safety measure, use it only where a negative result would be # fatal anyway. Works if `file' does not exist. func_lalib_unsafe_p () { lalib_p=no if test -f "$1" && test -r "$1" && exec 5<&0 <"$1"; then for lalib_p_l in 1 2 3 4 do read lalib_p_line case "$lalib_p_line" in \#\ Generated\ by\ *$PACKAGE* ) lalib_p=yes; break;; esac done exec 0<&5 5<&- fi test "$lalib_p" = yes } # func_ltwrapper_script_p file # True iff FILE is a libtool wrapper script # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_script_p () { func_lalib_p "$1" } # func_ltwrapper_executable_p file # True iff FILE is a libtool wrapper executable # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_executable_p () { func_ltwrapper_exec_suffix= case $1 in *.exe) ;; *) func_ltwrapper_exec_suffix=.exe ;; esac $GREP "$magic_exe" "$1$func_ltwrapper_exec_suffix" >/dev/null 2>&1 } # func_ltwrapper_scriptname file # Assumes file is an ltwrapper_executable # uses $file to determine the appropriate filename for a # temporary ltwrapper_script. func_ltwrapper_scriptname () { func_dirname_and_basename "$1" "" "." func_stripname '' '.exe' "$func_basename_result" func_ltwrapper_scriptname_result="$func_dirname_result/$objdir/${func_stripname_result}_ltshwrapper" } # func_ltwrapper_p file # True iff FILE is a libtool wrapper script or wrapper executable # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_p () { func_ltwrapper_script_p "$1" || func_ltwrapper_executable_p "$1" } # func_execute_cmds commands fail_cmd # Execute tilde-delimited COMMANDS. # If FAIL_CMD is given, eval that upon failure. # FAIL_CMD may read-access the current command in variable CMD! func_execute_cmds () { $opt_debug save_ifs=$IFS; IFS='~' for cmd in $1; do IFS=$save_ifs eval cmd=\"$cmd\" func_show_eval "$cmd" "${2-:}" done IFS=$save_ifs } # func_source file # Source FILE, adding directory component if necessary. # Note that it is not necessary on cygwin/mingw to append a dot to # FILE even if both FILE and FILE.exe exist: automatic-append-.exe # behavior happens only for exec(3), not for open(2)! Also, sourcing # `FILE.' does not work on cygwin managed mounts. func_source () { $opt_debug case $1 in */* | *\\*) . "$1" ;; *) . "./$1" ;; esac } # func_resolve_sysroot PATH # Replace a leading = in PATH with a sysroot. Store the result into # func_resolve_sysroot_result func_resolve_sysroot () { func_resolve_sysroot_result=$1 case $func_resolve_sysroot_result in =*) func_stripname '=' '' "$func_resolve_sysroot_result" func_resolve_sysroot_result=$lt_sysroot$func_stripname_result ;; esac } # func_replace_sysroot PATH # If PATH begins with the sysroot, replace it with = and # store the result into func_replace_sysroot_result. func_replace_sysroot () { case "$lt_sysroot:$1" in ?*:"$lt_sysroot"*) func_stripname "$lt_sysroot" '' "$1" func_replace_sysroot_result="=$func_stripname_result" ;; *) # Including no sysroot. func_replace_sysroot_result=$1 ;; esac } # func_infer_tag arg # Infer tagged configuration to use if any are available and # if one wasn't chosen via the "--tag" command line option. # Only attempt this if the compiler in the base compile # command doesn't match the default compiler. # arg is usually of the form 'gcc ...' func_infer_tag () { $opt_debug if test -n "$available_tags" && test -z "$tagname"; then CC_quoted= for arg in $CC; do func_append_quoted CC_quoted "$arg" done CC_expanded=`func_echo_all $CC` CC_quoted_expanded=`func_echo_all $CC_quoted` case $@ in # Blanks in the command may have been stripped by the calling shell, # but not from the CC environment variable when configure was run. " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) ;; # Blanks at the start of $base_compile will cause this to fail # if we don't check for them as well. *) for z in $available_tags; do if $GREP "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then # Evaluate the configuration. eval "`${SED} -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`" CC_quoted= for arg in $CC; do # Double-quote args containing other shell metacharacters. func_append_quoted CC_quoted "$arg" done CC_expanded=`func_echo_all $CC` CC_quoted_expanded=`func_echo_all $CC_quoted` case "$@ " in " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) # The compiler in the base compile command matches # the one in the tagged configuration. # Assume this is the tagged configuration we want. tagname=$z break ;; esac fi done # If $tagname still isn't set, then no tagged configuration # was found and let the user know that the "--tag" command # line option must be used. if test -z "$tagname"; then func_echo "unable to infer tagged configuration" func_fatal_error "specify a tag with \`--tag'" # else # func_verbose "using $tagname tagged configuration" fi ;; esac fi } # func_write_libtool_object output_name pic_name nonpic_name # Create a libtool object file (analogous to a ".la" file), # but don't create it if we're doing a dry run. func_write_libtool_object () { write_libobj=${1} if test "$build_libtool_libs" = yes; then write_lobj=\'${2}\' else write_lobj=none fi if test "$build_old_libs" = yes; then write_oldobj=\'${3}\' else write_oldobj=none fi $opt_dry_run || { cat >${write_libobj}T </dev/null` if test "$?" -eq 0 && test -n "${func_convert_core_file_wine_to_w32_tmp}"; then func_convert_core_file_wine_to_w32_result=`$ECHO "$func_convert_core_file_wine_to_w32_tmp" | $SED -e "$lt_sed_naive_backslashify"` else func_convert_core_file_wine_to_w32_result= fi fi } # end: func_convert_core_file_wine_to_w32 # func_convert_core_path_wine_to_w32 ARG # Helper function used by path conversion functions when $build is *nix, and # $host is mingw, cygwin, or some other w32 environment. Relies on a correctly # configured wine environment available, with the winepath program in $build's # $PATH. Assumes ARG has no leading or trailing path separator characters. # # ARG is path to be converted from $build format to win32. # Result is available in $func_convert_core_path_wine_to_w32_result. # Unconvertible file (directory) names in ARG are skipped; if no directory names # are convertible, then the result may be empty. func_convert_core_path_wine_to_w32 () { $opt_debug # unfortunately, winepath doesn't convert paths, only file names func_convert_core_path_wine_to_w32_result="" if test -n "$1"; then oldIFS=$IFS IFS=: for func_convert_core_path_wine_to_w32_f in $1; do IFS=$oldIFS func_convert_core_file_wine_to_w32 "$func_convert_core_path_wine_to_w32_f" if test -n "$func_convert_core_file_wine_to_w32_result" ; then if test -z "$func_convert_core_path_wine_to_w32_result"; then func_convert_core_path_wine_to_w32_result="$func_convert_core_file_wine_to_w32_result" else func_append func_convert_core_path_wine_to_w32_result ";$func_convert_core_file_wine_to_w32_result" fi fi done IFS=$oldIFS fi } # end: func_convert_core_path_wine_to_w32 # func_cygpath ARGS... # Wrapper around calling the cygpath program via LT_CYGPATH. This is used when # when (1) $build is *nix and Cygwin is hosted via a wine environment; or (2) # $build is MSYS and $host is Cygwin, or (3) $build is Cygwin. In case (1) or # (2), returns the Cygwin file name or path in func_cygpath_result (input # file name or path is assumed to be in w32 format, as previously converted # from $build's *nix or MSYS format). In case (3), returns the w32 file name # or path in func_cygpath_result (input file name or path is assumed to be in # Cygwin format). Returns an empty string on error. # # ARGS are passed to cygpath, with the last one being the file name or path to # be converted. # # Specify the absolute *nix (or w32) name to cygpath in the LT_CYGPATH # environment variable; do not put it in $PATH. func_cygpath () { $opt_debug if test -n "$LT_CYGPATH" && test -f "$LT_CYGPATH"; then func_cygpath_result=`$LT_CYGPATH "$@" 2>/dev/null` if test "$?" -ne 0; then # on failure, ensure result is empty func_cygpath_result= fi else func_cygpath_result= func_error "LT_CYGPATH is empty or specifies non-existent file: \`$LT_CYGPATH'" fi } #end: func_cygpath # func_convert_core_msys_to_w32 ARG # Convert file name or path ARG from MSYS format to w32 format. Return # result in func_convert_core_msys_to_w32_result. func_convert_core_msys_to_w32 () { $opt_debug # awkward: cmd appends spaces to result func_convert_core_msys_to_w32_result=`( cmd //c echo "$1" ) 2>/dev/null | $SED -e 's/[ ]*$//' -e "$lt_sed_naive_backslashify"` } #end: func_convert_core_msys_to_w32 # func_convert_file_check ARG1 ARG2 # Verify that ARG1 (a file name in $build format) was converted to $host # format in ARG2. Otherwise, emit an error message, but continue (resetting # func_to_host_file_result to ARG1). func_convert_file_check () { $opt_debug if test -z "$2" && test -n "$1" ; then func_error "Could not determine host file name corresponding to" func_error " \`$1'" func_error "Continuing, but uninstalled executables may not work." # Fallback: func_to_host_file_result="$1" fi } # end func_convert_file_check # func_convert_path_check FROM_PATHSEP TO_PATHSEP FROM_PATH TO_PATH # Verify that FROM_PATH (a path in $build format) was converted to $host # format in TO_PATH. Otherwise, emit an error message, but continue, resetting # func_to_host_file_result to a simplistic fallback value (see below). func_convert_path_check () { $opt_debug if test -z "$4" && test -n "$3"; then func_error "Could not determine the host path corresponding to" func_error " \`$3'" func_error "Continuing, but uninstalled executables may not work." # Fallback. This is a deliberately simplistic "conversion" and # should not be "improved". See libtool.info. if test "x$1" != "x$2"; then lt_replace_pathsep_chars="s|$1|$2|g" func_to_host_path_result=`echo "$3" | $SED -e "$lt_replace_pathsep_chars"` else func_to_host_path_result="$3" fi fi } # end func_convert_path_check # func_convert_path_front_back_pathsep FRONTPAT BACKPAT REPL ORIG # Modifies func_to_host_path_result by prepending REPL if ORIG matches FRONTPAT # and appending REPL if ORIG matches BACKPAT. func_convert_path_front_back_pathsep () { $opt_debug case $4 in $1 ) func_to_host_path_result="$3$func_to_host_path_result" ;; esac case $4 in $2 ) func_append func_to_host_path_result "$3" ;; esac } # end func_convert_path_front_back_pathsep ################################################## # $build to $host FILE NAME CONVERSION FUNCTIONS # ################################################## # invoked via `$to_host_file_cmd ARG' # # In each case, ARG is the path to be converted from $build to $host format. # Result will be available in $func_to_host_file_result. # func_to_host_file ARG # Converts the file name ARG from $build format to $host format. Return result # in func_to_host_file_result. func_to_host_file () { $opt_debug $to_host_file_cmd "$1" } # end func_to_host_file # func_to_tool_file ARG LAZY # converts the file name ARG from $build format to toolchain format. Return # result in func_to_tool_file_result. If the conversion in use is listed # in (the comma separated) LAZY, no conversion takes place. func_to_tool_file () { $opt_debug case ,$2, in *,"$to_tool_file_cmd",*) func_to_tool_file_result=$1 ;; *) $to_tool_file_cmd "$1" func_to_tool_file_result=$func_to_host_file_result ;; esac } # end func_to_tool_file # func_convert_file_noop ARG # Copy ARG to func_to_host_file_result. func_convert_file_noop () { func_to_host_file_result="$1" } # end func_convert_file_noop # func_convert_file_msys_to_w32 ARG # Convert file name ARG from (mingw) MSYS to (mingw) w32 format; automatic # conversion to w32 is not available inside the cwrapper. Returns result in # func_to_host_file_result. func_convert_file_msys_to_w32 () { $opt_debug func_to_host_file_result="$1" if test -n "$1"; then func_convert_core_msys_to_w32 "$1" func_to_host_file_result="$func_convert_core_msys_to_w32_result" fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_msys_to_w32 # func_convert_file_cygwin_to_w32 ARG # Convert file name ARG from Cygwin to w32 format. Returns result in # func_to_host_file_result. func_convert_file_cygwin_to_w32 () { $opt_debug func_to_host_file_result="$1" if test -n "$1"; then # because $build is cygwin, we call "the" cygpath in $PATH; no need to use # LT_CYGPATH in this case. func_to_host_file_result=`cygpath -m "$1"` fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_cygwin_to_w32 # func_convert_file_nix_to_w32 ARG # Convert file name ARG from *nix to w32 format. Requires a wine environment # and a working winepath. Returns result in func_to_host_file_result. func_convert_file_nix_to_w32 () { $opt_debug func_to_host_file_result="$1" if test -n "$1"; then func_convert_core_file_wine_to_w32 "$1" func_to_host_file_result="$func_convert_core_file_wine_to_w32_result" fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_nix_to_w32 # func_convert_file_msys_to_cygwin ARG # Convert file name ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. # Returns result in func_to_host_file_result. func_convert_file_msys_to_cygwin () { $opt_debug func_to_host_file_result="$1" if test -n "$1"; then func_convert_core_msys_to_w32 "$1" func_cygpath -u "$func_convert_core_msys_to_w32_result" func_to_host_file_result="$func_cygpath_result" fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_msys_to_cygwin # func_convert_file_nix_to_cygwin ARG # Convert file name ARG from *nix to Cygwin format. Requires Cygwin installed # in a wine environment, working winepath, and LT_CYGPATH set. Returns result # in func_to_host_file_result. func_convert_file_nix_to_cygwin () { $opt_debug func_to_host_file_result="$1" if test -n "$1"; then # convert from *nix to w32, then use cygpath to convert from w32 to cygwin. func_convert_core_file_wine_to_w32 "$1" func_cygpath -u "$func_convert_core_file_wine_to_w32_result" func_to_host_file_result="$func_cygpath_result" fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_nix_to_cygwin ############################################# # $build to $host PATH CONVERSION FUNCTIONS # ############################################# # invoked via `$to_host_path_cmd ARG' # # In each case, ARG is the path to be converted from $build to $host format. # The result will be available in $func_to_host_path_result. # # Path separators are also converted from $build format to $host format. If # ARG begins or ends with a path separator character, it is preserved (but # converted to $host format) on output. # # All path conversion functions are named using the following convention: # file name conversion function : func_convert_file_X_to_Y () # path conversion function : func_convert_path_X_to_Y () # where, for any given $build/$host combination the 'X_to_Y' value is the # same. If conversion functions are added for new $build/$host combinations, # the two new functions must follow this pattern, or func_init_to_host_path_cmd # will break. # func_init_to_host_path_cmd # Ensures that function "pointer" variable $to_host_path_cmd is set to the # appropriate value, based on the value of $to_host_file_cmd. to_host_path_cmd= func_init_to_host_path_cmd () { $opt_debug if test -z "$to_host_path_cmd"; then func_stripname 'func_convert_file_' '' "$to_host_file_cmd" to_host_path_cmd="func_convert_path_${func_stripname_result}" fi } # func_to_host_path ARG # Converts the path ARG from $build format to $host format. Return result # in func_to_host_path_result. func_to_host_path () { $opt_debug func_init_to_host_path_cmd $to_host_path_cmd "$1" } # end func_to_host_path # func_convert_path_noop ARG # Copy ARG to func_to_host_path_result. func_convert_path_noop () { func_to_host_path_result="$1" } # end func_convert_path_noop # func_convert_path_msys_to_w32 ARG # Convert path ARG from (mingw) MSYS to (mingw) w32 format; automatic # conversion to w32 is not available inside the cwrapper. Returns result in # func_to_host_path_result. func_convert_path_msys_to_w32 () { $opt_debug func_to_host_path_result="$1" if test -n "$1"; then # Remove leading and trailing path separator characters from ARG. MSYS # behavior is inconsistent here; cygpath turns them into '.;' and ';.'; # and winepath ignores them completely. func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" func_to_host_path_result="$func_convert_core_msys_to_w32_result" func_convert_path_check : ";" \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" fi } # end func_convert_path_msys_to_w32 # func_convert_path_cygwin_to_w32 ARG # Convert path ARG from Cygwin to w32 format. Returns result in # func_to_host_file_result. func_convert_path_cygwin_to_w32 () { $opt_debug func_to_host_path_result="$1" if test -n "$1"; then # See func_convert_path_msys_to_w32: func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_to_host_path_result=`cygpath -m -p "$func_to_host_path_tmp1"` func_convert_path_check : ";" \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" fi } # end func_convert_path_cygwin_to_w32 # func_convert_path_nix_to_w32 ARG # Convert path ARG from *nix to w32 format. Requires a wine environment and # a working winepath. Returns result in func_to_host_file_result. func_convert_path_nix_to_w32 () { $opt_debug func_to_host_path_result="$1" if test -n "$1"; then # See func_convert_path_msys_to_w32: func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" func_to_host_path_result="$func_convert_core_path_wine_to_w32_result" func_convert_path_check : ";" \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" fi } # end func_convert_path_nix_to_w32 # func_convert_path_msys_to_cygwin ARG # Convert path ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. # Returns result in func_to_host_file_result. func_convert_path_msys_to_cygwin () { $opt_debug func_to_host_path_result="$1" if test -n "$1"; then # See func_convert_path_msys_to_w32: func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" func_cygpath -u -p "$func_convert_core_msys_to_w32_result" func_to_host_path_result="$func_cygpath_result" func_convert_path_check : : \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" : "$1" fi } # end func_convert_path_msys_to_cygwin # func_convert_path_nix_to_cygwin ARG # Convert path ARG from *nix to Cygwin format. Requires Cygwin installed in a # a wine environment, working winepath, and LT_CYGPATH set. Returns result in # func_to_host_file_result. func_convert_path_nix_to_cygwin () { $opt_debug func_to_host_path_result="$1" if test -n "$1"; then # Remove leading and trailing path separator characters from # ARG. msys behavior is inconsistent here, cygpath turns them # into '.;' and ';.', and winepath ignores them completely. func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" func_cygpath -u -p "$func_convert_core_path_wine_to_w32_result" func_to_host_path_result="$func_cygpath_result" func_convert_path_check : : \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" : "$1" fi } # end func_convert_path_nix_to_cygwin # func_mode_compile arg... func_mode_compile () { $opt_debug # Get the compilation command and the source file. base_compile= srcfile="$nonopt" # always keep a non-empty value in "srcfile" suppress_opt=yes suppress_output= arg_mode=normal libobj= later= pie_flag= for arg do case $arg_mode in arg ) # do not "continue". Instead, add this to base_compile lastarg="$arg" arg_mode=normal ;; target ) libobj="$arg" arg_mode=normal continue ;; normal ) # Accept any command-line options. case $arg in -o) test -n "$libobj" && \ func_fatal_error "you cannot specify \`-o' more than once" arg_mode=target continue ;; -pie | -fpie | -fPIE) func_append pie_flag " $arg" continue ;; -shared | -static | -prefer-pic | -prefer-non-pic) func_append later " $arg" continue ;; -no-suppress) suppress_opt=no continue ;; -Xcompiler) arg_mode=arg # the next one goes into the "base_compile" arg list continue # The current "srcfile" will either be retained or ;; # replaced later. I would guess that would be a bug. -Wc,*) func_stripname '-Wc,' '' "$arg" args=$func_stripname_result lastarg= save_ifs="$IFS"; IFS=',' for arg in $args; do IFS="$save_ifs" func_append_quoted lastarg "$arg" done IFS="$save_ifs" func_stripname ' ' '' "$lastarg" lastarg=$func_stripname_result # Add the arguments to base_compile. func_append base_compile " $lastarg" continue ;; *) # Accept the current argument as the source file. # The previous "srcfile" becomes the current argument. # lastarg="$srcfile" srcfile="$arg" ;; esac # case $arg ;; esac # case $arg_mode # Aesthetically quote the previous argument. func_append_quoted base_compile "$lastarg" done # for arg case $arg_mode in arg) func_fatal_error "you must specify an argument for -Xcompile" ;; target) func_fatal_error "you must specify a target with \`-o'" ;; *) # Get the name of the library object. test -z "$libobj" && { func_basename "$srcfile" libobj="$func_basename_result" } ;; esac # Recognize several different file suffixes. # If the user specifies -o file.o, it is replaced with file.lo case $libobj in *.[cCFSifmso] | \ *.ada | *.adb | *.ads | *.asm | \ *.c++ | *.cc | *.ii | *.class | *.cpp | *.cxx | \ *.[fF][09]? | *.for | *.java | *.go | *.obj | *.sx | *.cu | *.cup) func_xform "$libobj" libobj=$func_xform_result ;; esac case $libobj in *.lo) func_lo2o "$libobj"; obj=$func_lo2o_result ;; *) func_fatal_error "cannot determine name of library object from \`$libobj'" ;; esac func_infer_tag $base_compile for arg in $later; do case $arg in -shared) test "$build_libtool_libs" != yes && \ func_fatal_configuration "can not build a shared library" build_old_libs=no continue ;; -static) build_libtool_libs=no build_old_libs=yes continue ;; -prefer-pic) pic_mode=yes continue ;; -prefer-non-pic) pic_mode=no continue ;; esac done func_quote_for_eval "$libobj" test "X$libobj" != "X$func_quote_for_eval_result" \ && $ECHO "X$libobj" | $GREP '[]~#^*{};<>?"'"'"' &()|`$[]' \ && func_warning "libobj name \`$libobj' may not contain shell special characters." func_dirname_and_basename "$obj" "/" "" objname="$func_basename_result" xdir="$func_dirname_result" lobj=${xdir}$objdir/$objname test -z "$base_compile" && \ func_fatal_help "you must specify a compilation command" # Delete any leftover library objects. if test "$build_old_libs" = yes; then removelist="$obj $lobj $libobj ${libobj}T" else removelist="$lobj $libobj ${libobj}T" fi # On Cygwin there's no "real" PIC flag so we must build both object types case $host_os in cygwin* | mingw* | pw32* | os2* | cegcc*) pic_mode=default ;; esac if test "$pic_mode" = no && test "$deplibs_check_method" != pass_all; then # non-PIC code in shared libraries is not supported pic_mode=default fi # Calculate the filename of the output object if compiler does # not support -o with -c if test "$compiler_c_o" = no; then output_obj=`$ECHO "$srcfile" | $SED 's%^.*/%%; s%\.[^.]*$%%'`.${objext} lockfile="$output_obj.lock" else output_obj= need_locks=no lockfile= fi # Lock this critical section if it is needed # We use this script file to make the link, it avoids creating a new file if test "$need_locks" = yes; then until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do func_echo "Waiting for $lockfile to be removed" sleep 2 done elif test "$need_locks" = warn; then if test -f "$lockfile"; then $ECHO "\ *** ERROR, $lockfile exists and contains: `cat $lockfile 2>/dev/null` This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support \`-c' and \`-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi func_append removelist " $output_obj" $ECHO "$srcfile" > "$lockfile" fi $opt_dry_run || $RM $removelist func_append removelist " $lockfile" trap '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' 1 2 15 func_to_tool_file "$srcfile" func_convert_file_msys_to_w32 srcfile=$func_to_tool_file_result func_quote_for_eval "$srcfile" qsrcfile=$func_quote_for_eval_result # Only build a PIC object if we are building libtool libraries. if test "$build_libtool_libs" = yes; then # Without this assignment, base_compile gets emptied. fbsd_hideous_sh_bug=$base_compile if test "$pic_mode" != no; then command="$base_compile $qsrcfile $pic_flag" else # Don't build PIC code command="$base_compile $qsrcfile" fi func_mkdir_p "$xdir$objdir" if test -z "$output_obj"; then # Place PIC objects in $objdir func_append command " -o $lobj" fi func_show_eval_locale "$command" \ 'test -n "$output_obj" && $RM $removelist; exit $EXIT_FAILURE' if test "$need_locks" = warn && test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then $ECHO "\ *** ERROR, $lockfile contains: `cat $lockfile 2>/dev/null` but it should contain: $srcfile This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support \`-c' and \`-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi # Just move the object if needed, then go on to compile the next one if test -n "$output_obj" && test "X$output_obj" != "X$lobj"; then func_show_eval '$MV "$output_obj" "$lobj"' \ 'error=$?; $opt_dry_run || $RM $removelist; exit $error' fi # Allow error messages only from the first compilation. if test "$suppress_opt" = yes; then suppress_output=' >/dev/null 2>&1' fi fi # Only build a position-dependent object if we build old libraries. if test "$build_old_libs" = yes; then if test "$pic_mode" != yes; then # Don't build PIC code command="$base_compile $qsrcfile$pie_flag" else command="$base_compile $qsrcfile $pic_flag" fi if test "$compiler_c_o" = yes; then func_append command " -o $obj" fi # Suppress compiler output if we already did a PIC compilation. func_append command "$suppress_output" func_show_eval_locale "$command" \ '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' if test "$need_locks" = warn && test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then $ECHO "\ *** ERROR, $lockfile contains: `cat $lockfile 2>/dev/null` but it should contain: $srcfile This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support \`-c' and \`-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi # Just move the object if needed if test -n "$output_obj" && test "X$output_obj" != "X$obj"; then func_show_eval '$MV "$output_obj" "$obj"' \ 'error=$?; $opt_dry_run || $RM $removelist; exit $error' fi fi $opt_dry_run || { func_write_libtool_object "$libobj" "$objdir/$objname" "$objname" # Unlock the critical section if it was locked if test "$need_locks" != no; then removelist=$lockfile $RM "$lockfile" fi } exit $EXIT_SUCCESS } $opt_help || { test "$opt_mode" = compile && func_mode_compile ${1+"$@"} } func_mode_help () { # We need to display help for each of the modes. case $opt_mode in "") # Generic help is extracted from the usage comments # at the start of this file. func_help ;; clean) $ECHO \ "Usage: $progname [OPTION]... --mode=clean RM [RM-OPTION]... FILE... Remove files from the build directory. RM is the name of the program to use to delete files associated with each FILE (typically \`/bin/rm'). RM-OPTIONS are options (such as \`-f') to be passed to RM. If FILE is a libtool library, object or program, all the files associated with it are deleted. Otherwise, only FILE itself is deleted using RM." ;; compile) $ECHO \ "Usage: $progname [OPTION]... --mode=compile COMPILE-COMMAND... SOURCEFILE Compile a source file into a libtool library object. This mode accepts the following additional options: -o OUTPUT-FILE set the output file name to OUTPUT-FILE -no-suppress do not suppress compiler output for multiple passes -prefer-pic try to build PIC objects only -prefer-non-pic try to build non-PIC objects only -shared do not build a \`.o' file suitable for static linking -static only build a \`.o' file suitable for static linking -Wc,FLAG pass FLAG directly to the compiler COMPILE-COMMAND is a command to be used in creating a \`standard' object file from the given SOURCEFILE. The output file name is determined by removing the directory component from SOURCEFILE, then substituting the C source code suffix \`.c' with the library object suffix, \`.lo'." ;; execute) $ECHO \ "Usage: $progname [OPTION]... --mode=execute COMMAND [ARGS]... Automatically set library path, then run a program. This mode accepts the following additional options: -dlopen FILE add the directory containing FILE to the library path This mode sets the library path environment variable according to \`-dlopen' flags. If any of the ARGS are libtool executable wrappers, then they are translated into their corresponding uninstalled binary, and any of their required library directories are added to the library path. Then, COMMAND is executed, with ARGS as arguments." ;; finish) $ECHO \ "Usage: $progname [OPTION]... --mode=finish [LIBDIR]... Complete the installation of libtool libraries. Each LIBDIR is a directory that contains libtool libraries. The commands that this mode executes may require superuser privileges. Use the \`--dry-run' option if you just want to see what would be executed." ;; install) $ECHO \ "Usage: $progname [OPTION]... --mode=install INSTALL-COMMAND... Install executables or libraries. INSTALL-COMMAND is the installation command. The first component should be either the \`install' or \`cp' program. The following components of INSTALL-COMMAND are treated specially: -inst-prefix-dir PREFIX-DIR Use PREFIX-DIR as a staging area for installation The rest of the components are interpreted as arguments to that command (only BSD-compatible install options are recognized)." ;; link) $ECHO \ "Usage: $progname [OPTION]... --mode=link LINK-COMMAND... Link object files or libraries together to form another library, or to create an executable program. LINK-COMMAND is a command using the C compiler that you would use to create a program from several object files. The following components of LINK-COMMAND are treated specially: -all-static do not do any dynamic linking at all -avoid-version do not add a version suffix if possible -bindir BINDIR specify path to binaries directory (for systems where libraries must be found in the PATH setting at runtime) -dlopen FILE \`-dlpreopen' FILE if it cannot be dlopened at runtime -dlpreopen FILE link in FILE and add its symbols to lt_preloaded_symbols -export-dynamic allow symbols from OUTPUT-FILE to be resolved with dlsym(3) -export-symbols SYMFILE try to export only the symbols listed in SYMFILE -export-symbols-regex REGEX try to export only the symbols matching REGEX -LLIBDIR search LIBDIR for required installed libraries -lNAME OUTPUT-FILE requires the installed library libNAME -module build a library that can dlopened -no-fast-install disable the fast-install mode -no-install link a not-installable executable -no-undefined declare that a library does not refer to external symbols -o OUTPUT-FILE create OUTPUT-FILE from the specified objects -objectlist FILE Use a list of object files found in FILE to specify objects -precious-files-regex REGEX don't remove output files matching REGEX -release RELEASE specify package release information -rpath LIBDIR the created library will eventually be installed in LIBDIR -R[ ]LIBDIR add LIBDIR to the runtime path of programs and libraries -shared only do dynamic linking of libtool libraries -shrext SUFFIX override the standard shared library file extension -static do not do any dynamic linking of uninstalled libtool libraries -static-libtool-libs do not do any dynamic linking of libtool libraries -version-info CURRENT[:REVISION[:AGE]] specify library version info [each variable defaults to 0] -weak LIBNAME declare that the target provides the LIBNAME interface -Wc,FLAG -Xcompiler FLAG pass linker-specific FLAG directly to the compiler -Wl,FLAG -Xlinker FLAG pass linker-specific FLAG directly to the linker -XCClinker FLAG pass link-specific FLAG to the compiler driver (CC) All other options (arguments beginning with \`-') are ignored. Every other argument is treated as a filename. Files ending in \`.la' are treated as uninstalled libtool libraries, other files are standard or library object files. If the OUTPUT-FILE ends in \`.la', then a libtool library is created, only library objects (\`.lo' files) may be specified, and \`-rpath' is required, except when creating a convenience library. If OUTPUT-FILE ends in \`.a' or \`.lib', then a standard library is created using \`ar' and \`ranlib', or on Windows using \`lib'. If OUTPUT-FILE ends in \`.lo' or \`.${objext}', then a reloadable object file is created, otherwise an executable program is created." ;; uninstall) $ECHO \ "Usage: $progname [OPTION]... --mode=uninstall RM [RM-OPTION]... FILE... Remove libraries from an installation directory. RM is the name of the program to use to delete files associated with each FILE (typically \`/bin/rm'). RM-OPTIONS are options (such as \`-f') to be passed to RM. If FILE is a libtool library, all the files associated with it are deleted. Otherwise, only FILE itself is deleted using RM." ;; *) func_fatal_help "invalid operation mode \`$opt_mode'" ;; esac echo $ECHO "Try \`$progname --help' for more information about other modes." } # Now that we've collected a possible --mode arg, show help if necessary if $opt_help; then if test "$opt_help" = :; then func_mode_help else { func_help noexit for opt_mode in compile link execute install finish uninstall clean; do func_mode_help done } | sed -n '1p; 2,$s/^Usage:/ or: /p' { func_help noexit for opt_mode in compile link execute install finish uninstall clean; do echo func_mode_help done } | sed '1d /^When reporting/,/^Report/{ H d } $x /information about other modes/d /more detailed .*MODE/d s/^Usage:.*--mode=\([^ ]*\) .*/Description of \1 mode:/' fi exit $? fi # func_mode_execute arg... func_mode_execute () { $opt_debug # The first argument is the command name. cmd="$nonopt" test -z "$cmd" && \ func_fatal_help "you must specify a COMMAND" # Handle -dlopen flags immediately. for file in $opt_dlopen; do test -f "$file" \ || func_fatal_help "\`$file' is not a file" dir= case $file in *.la) func_resolve_sysroot "$file" file=$func_resolve_sysroot_result # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$file" \ || func_fatal_help "\`$lib' is not a valid libtool archive" # Read the libtool library. dlname= library_names= func_source "$file" # Skip this library if it cannot be dlopened. if test -z "$dlname"; then # Warn if it was a shared library. test -n "$library_names" && \ func_warning "\`$file' was not linked with \`-export-dynamic'" continue fi func_dirname "$file" "" "." dir="$func_dirname_result" if test -f "$dir/$objdir/$dlname"; then func_append dir "/$objdir" else if test ! -f "$dir/$dlname"; then func_fatal_error "cannot find \`$dlname' in \`$dir' or \`$dir/$objdir'" fi fi ;; *.lo) # Just add the directory containing the .lo file. func_dirname "$file" "" "." dir="$func_dirname_result" ;; *) func_warning "\`-dlopen' is ignored for non-libtool libraries and objects" continue ;; esac # Get the absolute pathname. absdir=`cd "$dir" && pwd` test -n "$absdir" && dir="$absdir" # Now add the directory to shlibpath_var. if eval "test -z \"\$$shlibpath_var\""; then eval "$shlibpath_var=\"\$dir\"" else eval "$shlibpath_var=\"\$dir:\$$shlibpath_var\"" fi done # This variable tells wrapper scripts just to set shlibpath_var # rather than running their programs. libtool_execute_magic="$magic" # Check if any of the arguments is a wrapper script. args= for file do case $file in -* | *.la | *.lo ) ;; *) # Do a test to see if this is really a libtool program. if func_ltwrapper_script_p "$file"; then func_source "$file" # Transform arg to wrapped name. file="$progdir/$program" elif func_ltwrapper_executable_p "$file"; then func_ltwrapper_scriptname "$file" func_source "$func_ltwrapper_scriptname_result" # Transform arg to wrapped name. file="$progdir/$program" fi ;; esac # Quote arguments (to preserve shell metacharacters). func_append_quoted args "$file" done if test "X$opt_dry_run" = Xfalse; then if test -n "$shlibpath_var"; then # Export the shlibpath_var. eval "export $shlibpath_var" fi # Restore saved environment variables for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES do eval "if test \"\${save_$lt_var+set}\" = set; then $lt_var=\$save_$lt_var; export $lt_var else $lt_unset $lt_var fi" done # Now prepare to actually exec the command. exec_cmd="\$cmd$args" else # Display what would be done. if test -n "$shlibpath_var"; then eval "\$ECHO \"\$shlibpath_var=\$$shlibpath_var\"" echo "export $shlibpath_var" fi $ECHO "$cmd$args" exit $EXIT_SUCCESS fi } test "$opt_mode" = execute && func_mode_execute ${1+"$@"} # func_mode_finish arg... func_mode_finish () { $opt_debug libs= libdirs= admincmds= for opt in "$nonopt" ${1+"$@"} do if test -d "$opt"; then func_append libdirs " $opt" elif test -f "$opt"; then if func_lalib_unsafe_p "$opt"; then func_append libs " $opt" else func_warning "\`$opt' is not a valid libtool archive" fi else func_fatal_error "invalid argument \`$opt'" fi done if test -n "$libs"; then if test -n "$lt_sysroot"; then sysroot_regex=`$ECHO "$lt_sysroot" | $SED "$sed_make_literal_regex"` sysroot_cmd="s/\([ ']\)$sysroot_regex/\1/g;" else sysroot_cmd= fi # Remove sysroot references if $opt_dry_run; then for lib in $libs; do echo "removing references to $lt_sysroot and \`=' prefixes from $lib" done else tmpdir=`func_mktempdir` for lib in $libs; do sed -e "${sysroot_cmd} s/\([ ']-[LR]\)=/\1/g; s/\([ ']\)=/\1/g" $lib \ > $tmpdir/tmp-la mv -f $tmpdir/tmp-la $lib done ${RM}r "$tmpdir" fi fi if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then for libdir in $libdirs; do if test -n "$finish_cmds"; then # Do each command in the finish commands. func_execute_cmds "$finish_cmds" 'admincmds="$admincmds '"$cmd"'"' fi if test -n "$finish_eval"; then # Do the single finish_eval. eval cmds=\"$finish_eval\" $opt_dry_run || eval "$cmds" || func_append admincmds " $cmds" fi done fi # Exit here if they wanted silent mode. $opt_silent && exit $EXIT_SUCCESS if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then echo "----------------------------------------------------------------------" echo "Libraries have been installed in:" for libdir in $libdirs; do $ECHO " $libdir" done echo echo "If you ever happen to want to link against installed libraries" echo "in a given directory, LIBDIR, you must either use libtool, and" echo "specify the full pathname of the library, or use the \`-LLIBDIR'" echo "flag during linking and do at least one of the following:" if test -n "$shlibpath_var"; then echo " - add LIBDIR to the \`$shlibpath_var' environment variable" echo " during execution" fi if test -n "$runpath_var"; then echo " - add LIBDIR to the \`$runpath_var' environment variable" echo " during linking" fi if test -n "$hardcode_libdir_flag_spec"; then libdir=LIBDIR eval flag=\"$hardcode_libdir_flag_spec\" $ECHO " - use the \`$flag' linker flag" fi if test -n "$admincmds"; then $ECHO " - have your system administrator run these commands:$admincmds" fi if test -f /etc/ld.so.conf; then echo " - have your system administrator add LIBDIR to \`/etc/ld.so.conf'" fi echo echo "See any operating system documentation about shared libraries for" case $host in solaris2.[6789]|solaris2.1[0-9]) echo "more information, such as the ld(1), crle(1) and ld.so(8) manual" echo "pages." ;; *) echo "more information, such as the ld(1) and ld.so(8) manual pages." ;; esac echo "----------------------------------------------------------------------" fi exit $EXIT_SUCCESS } test "$opt_mode" = finish && func_mode_finish ${1+"$@"} # func_mode_install arg... func_mode_install () { $opt_debug # There may be an optional sh(1) argument at the beginning of # install_prog (especially on Windows NT). if test "$nonopt" = "$SHELL" || test "$nonopt" = /bin/sh || # Allow the use of GNU shtool's install command. case $nonopt in *shtool*) :;; *) false;; esac; then # Aesthetically quote it. func_quote_for_eval "$nonopt" install_prog="$func_quote_for_eval_result " arg=$1 shift else install_prog= arg=$nonopt fi # The real first argument should be the name of the installation program. # Aesthetically quote it. func_quote_for_eval "$arg" func_append install_prog "$func_quote_for_eval_result" install_shared_prog=$install_prog case " $install_prog " in *[\\\ /]cp\ *) install_cp=: ;; *) install_cp=false ;; esac # We need to accept at least all the BSD install flags. dest= files= opts= prev= install_type= isdir=no stripme= no_mode=: for arg do arg2= if test -n "$dest"; then func_append files " $dest" dest=$arg continue fi case $arg in -d) isdir=yes ;; -f) if $install_cp; then :; else prev=$arg fi ;; -g | -m | -o) prev=$arg ;; -s) stripme=" -s" continue ;; -*) ;; *) # If the previous option needed an argument, then skip it. if test -n "$prev"; then if test "x$prev" = x-m && test -n "$install_override_mode"; then arg2=$install_override_mode no_mode=false fi prev= else dest=$arg continue fi ;; esac # Aesthetically quote the argument. func_quote_for_eval "$arg" func_append install_prog " $func_quote_for_eval_result" if test -n "$arg2"; then func_quote_for_eval "$arg2" fi func_append install_shared_prog " $func_quote_for_eval_result" done test -z "$install_prog" && \ func_fatal_help "you must specify an install program" test -n "$prev" && \ func_fatal_help "the \`$prev' option requires an argument" if test -n "$install_override_mode" && $no_mode; then if $install_cp; then :; else func_quote_for_eval "$install_override_mode" func_append install_shared_prog " -m $func_quote_for_eval_result" fi fi if test -z "$files"; then if test -z "$dest"; then func_fatal_help "no file or destination specified" else func_fatal_help "you must specify a destination" fi fi # Strip any trailing slash from the destination. func_stripname '' '/' "$dest" dest=$func_stripname_result # Check to see that the destination is a directory. test -d "$dest" && isdir=yes if test "$isdir" = yes; then destdir="$dest" destname= else func_dirname_and_basename "$dest" "" "." destdir="$func_dirname_result" destname="$func_basename_result" # Not a directory, so check to see that there is only one file specified. set dummy $files; shift test "$#" -gt 1 && \ func_fatal_help "\`$dest' is not a directory" fi case $destdir in [\\/]* | [A-Za-z]:[\\/]*) ;; *) for file in $files; do case $file in *.lo) ;; *) func_fatal_help "\`$destdir' must be an absolute directory name" ;; esac done ;; esac # This variable tells wrapper scripts just to set variables rather # than running their programs. libtool_install_magic="$magic" staticlibs= future_libdirs= current_libdirs= for file in $files; do # Do each installation. case $file in *.$libext) # Do the static libraries later. func_append staticlibs " $file" ;; *.la) func_resolve_sysroot "$file" file=$func_resolve_sysroot_result # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$file" \ || func_fatal_help "\`$file' is not a valid libtool archive" library_names= old_library= relink_command= func_source "$file" # Add the libdir to current_libdirs if it is the destination. if test "X$destdir" = "X$libdir"; then case "$current_libdirs " in *" $libdir "*) ;; *) func_append current_libdirs " $libdir" ;; esac else # Note the libdir as a future libdir. case "$future_libdirs " in *" $libdir "*) ;; *) func_append future_libdirs " $libdir" ;; esac fi func_dirname "$file" "/" "" dir="$func_dirname_result" func_append dir "$objdir" if test -n "$relink_command"; then # Determine the prefix the user has applied to our future dir. inst_prefix_dir=`$ECHO "$destdir" | $SED -e "s%$libdir\$%%"` # Don't allow the user to place us outside of our expected # location b/c this prevents finding dependent libraries that # are installed to the same prefix. # At present, this check doesn't affect windows .dll's that # are installed into $libdir/../bin (currently, that works fine) # but it's something to keep an eye on. test "$inst_prefix_dir" = "$destdir" && \ func_fatal_error "error: cannot install \`$file' to a directory not ending in $libdir" if test -n "$inst_prefix_dir"; then # Stick the inst_prefix_dir data into the link command. relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%"` else relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%%"` fi func_warning "relinking \`$file'" func_show_eval "$relink_command" \ 'func_fatal_error "error: relink \`$file'\'' with the above command before installing it"' fi # See the names of the shared library. set dummy $library_names; shift if test -n "$1"; then realname="$1" shift srcname="$realname" test -n "$relink_command" && srcname="$realname"T # Install the shared library and build the symlinks. func_show_eval "$install_shared_prog $dir/$srcname $destdir/$realname" \ 'exit $?' tstripme="$stripme" case $host_os in cygwin* | mingw* | pw32* | cegcc*) case $realname in *.dll.a) tstripme="" ;; esac ;; esac if test -n "$tstripme" && test -n "$striplib"; then func_show_eval "$striplib $destdir/$realname" 'exit $?' fi if test "$#" -gt 0; then # Delete the old symlinks, and create new ones. # Try `ln -sf' first, because the `ln' binary might depend on # the symlink we replace! Solaris /bin/ln does not understand -f, # so we also need to try rm && ln -s. for linkname do test "$linkname" != "$realname" \ && func_show_eval "(cd $destdir && { $LN_S -f $realname $linkname || { $RM $linkname && $LN_S $realname $linkname; }; })" done fi # Do each command in the postinstall commands. lib="$destdir/$realname" func_execute_cmds "$postinstall_cmds" 'exit $?' fi # Install the pseudo-library for information purposes. func_basename "$file" name="$func_basename_result" instname="$dir/$name"i func_show_eval "$install_prog $instname $destdir/$name" 'exit $?' # Maybe install the static library, too. test -n "$old_library" && func_append staticlibs " $dir/$old_library" ;; *.lo) # Install (i.e. copy) a libtool object. # Figure out destination file name, if it wasn't already specified. if test -n "$destname"; then destfile="$destdir/$destname" else func_basename "$file" destfile="$func_basename_result" destfile="$destdir/$destfile" fi # Deduce the name of the destination old-style object file. case $destfile in *.lo) func_lo2o "$destfile" staticdest=$func_lo2o_result ;; *.$objext) staticdest="$destfile" destfile= ;; *) func_fatal_help "cannot copy a libtool object to \`$destfile'" ;; esac # Install the libtool object if requested. test -n "$destfile" && \ func_show_eval "$install_prog $file $destfile" 'exit $?' # Install the old object if enabled. if test "$build_old_libs" = yes; then # Deduce the name of the old-style object file. func_lo2o "$file" staticobj=$func_lo2o_result func_show_eval "$install_prog \$staticobj \$staticdest" 'exit $?' fi exit $EXIT_SUCCESS ;; *) # Figure out destination file name, if it wasn't already specified. if test -n "$destname"; then destfile="$destdir/$destname" else func_basename "$file" destfile="$func_basename_result" destfile="$destdir/$destfile" fi # If the file is missing, and there is a .exe on the end, strip it # because it is most likely a libtool script we actually want to # install stripped_ext="" case $file in *.exe) if test ! -f "$file"; then func_stripname '' '.exe' "$file" file=$func_stripname_result stripped_ext=".exe" fi ;; esac # Do a test to see if this is really a libtool program. case $host in *cygwin* | *mingw*) if func_ltwrapper_executable_p "$file"; then func_ltwrapper_scriptname "$file" wrapper=$func_ltwrapper_scriptname_result else func_stripname '' '.exe' "$file" wrapper=$func_stripname_result fi ;; *) wrapper=$file ;; esac if func_ltwrapper_script_p "$wrapper"; then notinst_deplibs= relink_command= func_source "$wrapper" # Check the variables that should have been set. test -z "$generated_by_libtool_version" && \ func_fatal_error "invalid libtool wrapper script \`$wrapper'" finalize=yes for lib in $notinst_deplibs; do # Check to see that each library is installed. libdir= if test -f "$lib"; then func_source "$lib" fi libfile="$libdir/"`$ECHO "$lib" | $SED 's%^.*/%%g'` ### testsuite: skip nested quoting test if test -n "$libdir" && test ! -f "$libfile"; then func_warning "\`$lib' has not been installed in \`$libdir'" finalize=no fi done relink_command= func_source "$wrapper" outputname= if test "$fast_install" = no && test -n "$relink_command"; then $opt_dry_run || { if test "$finalize" = yes; then tmpdir=`func_mktempdir` func_basename "$file$stripped_ext" file="$func_basename_result" outputname="$tmpdir/$file" # Replace the output file specification. relink_command=`$ECHO "$relink_command" | $SED 's%@OUTPUT@%'"$outputname"'%g'` $opt_silent || { func_quote_for_expand "$relink_command" eval "func_echo $func_quote_for_expand_result" } if eval "$relink_command"; then : else func_error "error: relink \`$file' with the above command before installing it" $opt_dry_run || ${RM}r "$tmpdir" continue fi file="$outputname" else func_warning "cannot relink \`$file'" fi } else # Install the binary that we compiled earlier. file=`$ECHO "$file$stripped_ext" | $SED "s%\([^/]*\)$%$objdir/\1%"` fi fi # remove .exe since cygwin /usr/bin/install will append another # one anyway case $install_prog,$host in */usr/bin/install*,*cygwin*) case $file:$destfile in *.exe:*.exe) # this is ok ;; *.exe:*) destfile=$destfile.exe ;; *:*.exe) func_stripname '' '.exe' "$destfile" destfile=$func_stripname_result ;; esac ;; esac func_show_eval "$install_prog\$stripme \$file \$destfile" 'exit $?' $opt_dry_run || if test -n "$outputname"; then ${RM}r "$tmpdir" fi ;; esac done for file in $staticlibs; do func_basename "$file" name="$func_basename_result" # Set up the ranlib parameters. oldlib="$destdir/$name" func_to_tool_file "$oldlib" func_convert_file_msys_to_w32 tool_oldlib=$func_to_tool_file_result func_show_eval "$install_prog \$file \$oldlib" 'exit $?' if test -n "$stripme" && test -n "$old_striplib"; then func_show_eval "$old_striplib $tool_oldlib" 'exit $?' fi # Do each command in the postinstall commands. func_execute_cmds "$old_postinstall_cmds" 'exit $?' done test -n "$future_libdirs" && \ func_warning "remember to run \`$progname --finish$future_libdirs'" if test -n "$current_libdirs"; then # Maybe just do a dry run. $opt_dry_run && current_libdirs=" -n$current_libdirs" exec_cmd='$SHELL $progpath $preserve_args --finish$current_libdirs' else exit $EXIT_SUCCESS fi } test "$opt_mode" = install && func_mode_install ${1+"$@"} # func_generate_dlsyms outputname originator pic_p # Extract symbols from dlprefiles and create ${outputname}S.o with # a dlpreopen symbol table. func_generate_dlsyms () { $opt_debug my_outputname="$1" my_originator="$2" my_pic_p="${3-no}" my_prefix=`$ECHO "$my_originator" | sed 's%[^a-zA-Z0-9]%_%g'` my_dlsyms= if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then if test -n "$NM" && test -n "$global_symbol_pipe"; then my_dlsyms="${my_outputname}S.c" else func_error "not configured to extract global symbols from dlpreopened files" fi fi if test -n "$my_dlsyms"; then case $my_dlsyms in "") ;; *.c) # Discover the nlist of each of the dlfiles. nlist="$output_objdir/${my_outputname}.nm" func_show_eval "$RM $nlist ${nlist}S ${nlist}T" # Parse the name list into a source file. func_verbose "creating $output_objdir/$my_dlsyms" $opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\ /* $my_dlsyms - symbol resolution table for \`$my_outputname' dlsym emulation. */ /* Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION */ #ifdef __cplusplus extern \"C\" { #endif #if defined(__GNUC__) && (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4)) || (__GNUC__ > 4)) #pragma GCC diagnostic ignored \"-Wstrict-prototypes\" #endif /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE) /* DATA imports from DLLs on WIN32 con't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT_DLSYM_CONST #elif defined(__osf__) /* This system does not cope well with relocations in const data. */ # define LT_DLSYM_CONST #else # define LT_DLSYM_CONST const #endif /* External symbol declarations for the compiler. */\ " if test "$dlself" = yes; then func_verbose "generating symbol list for \`$output'" $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist" # Add our own program objects to the symbol list. progfiles=`$ECHO "$objs$old_deplibs" | $SP2NL | $SED "$lo2o" | $NL2SP` for progfile in $progfiles; do func_to_tool_file "$progfile" func_convert_file_msys_to_w32 func_verbose "extracting global C symbols from \`$func_to_tool_file_result'" $opt_dry_run || eval "$NM $func_to_tool_file_result | $global_symbol_pipe >> '$nlist'" done if test -n "$exclude_expsyms"; then $opt_dry_run || { eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' } fi if test -n "$export_symbols_regex"; then $opt_dry_run || { eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' } fi # Prepare the list of exported symbols if test -z "$export_symbols"; then export_symbols="$output_objdir/$outputname.exp" $opt_dry_run || { $RM $export_symbols eval "${SED} -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"' case $host in *cygwin* | *mingw* | *cegcc* ) eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"' ;; esac } else $opt_dry_run || { eval "${SED} -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"' eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' case $host in *cygwin* | *mingw* | *cegcc* ) eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' eval 'cat "$nlist" >> "$output_objdir/$outputname.def"' ;; esac } fi fi for dlprefile in $dlprefiles; do func_verbose "extracting global C symbols from \`$dlprefile'" func_basename "$dlprefile" name="$func_basename_result" case $host in *cygwin* | *mingw* | *cegcc* ) # if an import library, we need to obtain dlname if func_win32_import_lib_p "$dlprefile"; then func_tr_sh "$dlprefile" eval "curr_lafile=\$libfile_$func_tr_sh_result" dlprefile_dlbasename="" if test -n "$curr_lafile" && func_lalib_p "$curr_lafile"; then # Use subshell, to avoid clobbering current variable values dlprefile_dlname=`source "$curr_lafile" && echo "$dlname"` if test -n "$dlprefile_dlname" ; then func_basename "$dlprefile_dlname" dlprefile_dlbasename="$func_basename_result" else # no lafile. user explicitly requested -dlpreopen . $sharedlib_from_linklib_cmd "$dlprefile" dlprefile_dlbasename=$sharedlib_from_linklib_result fi fi $opt_dry_run || { if test -n "$dlprefile_dlbasename" ; then eval '$ECHO ": $dlprefile_dlbasename" >> "$nlist"' else func_warning "Could not compute DLL name from $name" eval '$ECHO ": $name " >> "$nlist"' fi func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe | $SED -e '/I __imp/d' -e 's/I __nm_/D /;s/_nm__//' >> '$nlist'" } else # not an import lib $opt_dry_run || { eval '$ECHO ": $name " >> "$nlist"' func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" } fi ;; *) $opt_dry_run || { eval '$ECHO ": $name " >> "$nlist"' func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" } ;; esac done $opt_dry_run || { # Make sure we have at least an empty file. test -f "$nlist" || : > "$nlist" if test -n "$exclude_expsyms"; then $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T $MV "$nlist"T "$nlist" fi # Try sorting and uniquifying the output. if $GREP -v "^: " < "$nlist" | if sort -k 3 /dev/null 2>&1; then sort -k 3 else sort +2 fi | uniq > "$nlist"S; then : else $GREP -v "^: " < "$nlist" > "$nlist"S fi if test -f "$nlist"S; then eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$my_dlsyms"' else echo '/* NONE */' >> "$output_objdir/$my_dlsyms" fi echo >> "$output_objdir/$my_dlsyms" "\ /* The mapping between symbol names and symbols. */ typedef struct { const char *name; void *address; } lt_dlsymlist; extern LT_DLSYM_CONST lt_dlsymlist lt_${my_prefix}_LTX_preloaded_symbols[]; LT_DLSYM_CONST lt_dlsymlist lt_${my_prefix}_LTX_preloaded_symbols[] = {\ { \"$my_originator\", (void *) 0 }," case $need_lib_prefix in no) eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms" ;; *) eval "$global_symbol_to_c_name_address_lib_prefix" < "$nlist" >> "$output_objdir/$my_dlsyms" ;; esac echo >> "$output_objdir/$my_dlsyms" "\ {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt_${my_prefix}_LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif\ " } # !$opt_dry_run pic_flag_for_symtable= case "$compile_command " in *" -static "*) ;; *) case $host in # compiling the symbol table file with pic_flag works around # a FreeBSD bug that causes programs to crash when -lm is # linked before any other PIC object. But we must not use # pic_flag when linking with -static. The problem exists in # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1. *-*-freebsd2.*|*-*-freebsd3.0*|*-*-freebsdelf3.0*) pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;; *-*-hpux*) pic_flag_for_symtable=" $pic_flag" ;; *) if test "X$my_pic_p" != Xno; then pic_flag_for_symtable=" $pic_flag" fi ;; esac ;; esac symtab_cflags= for arg in $LTCFLAGS; do case $arg in -pie | -fpie | -fPIE) ;; *) func_append symtab_cflags " $arg" ;; esac done # Now compile the dynamic symbol file. func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?' # Clean up the generated files. func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T"' # Transform the symbol file into the correct name. symfileobj="$output_objdir/${my_outputname}S.$objext" case $host in *cygwin* | *mingw* | *cegcc* ) if test -f "$output_objdir/$my_outputname.def"; then compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` else compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` fi ;; *) compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` ;; esac ;; *) func_fatal_error "unknown suffix for \`$my_dlsyms'" ;; esac else # We keep going just in case the user didn't refer to # lt_preloaded_symbols. The linker will fail if global_symbol_pipe # really was required. # Nullify the symbol file. compile_command=`$ECHO "$compile_command" | $SED "s% @SYMFILE@%%"` finalize_command=`$ECHO "$finalize_command" | $SED "s% @SYMFILE@%%"` fi } # func_win32_libid arg # return the library type of file 'arg' # # Need a lot of goo to handle *both* DLLs and import libs # Has to be a shell function in order to 'eat' the argument # that is supplied when $file_magic_command is called. # Despite the name, also deal with 64 bit binaries. func_win32_libid () { $opt_debug win32_libid_type="unknown" win32_fileres=`file -L $1 2>/dev/null` case $win32_fileres in *ar\ archive\ import\ library*) # definitely import win32_libid_type="x86 archive import" ;; *ar\ archive*) # could be an import, or static # Keep the egrep pattern in sync with the one in _LT_CHECK_MAGIC_METHOD. if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null | $EGREP 'file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' >/dev/null; then func_to_tool_file "$1" func_convert_file_msys_to_w32 win32_nmres=`eval $NM -f posix -A \"$func_to_tool_file_result\" | $SED -n -e ' 1,100{ / I /{ s,.*,import, p q } }'` case $win32_nmres in import*) win32_libid_type="x86 archive import";; *) win32_libid_type="x86 archive static";; esac fi ;; *DLL*) win32_libid_type="x86 DLL" ;; *executable*) # but shell scripts are "executable" too... case $win32_fileres in *MS\ Windows\ PE\ Intel*) win32_libid_type="x86 DLL" ;; esac ;; esac $ECHO "$win32_libid_type" } # func_cygming_dll_for_implib ARG # # Platform-specific function to extract the # name of the DLL associated with the specified # import library ARG. # Invoked by eval'ing the libtool variable # $sharedlib_from_linklib_cmd # Result is available in the variable # $sharedlib_from_linklib_result func_cygming_dll_for_implib () { $opt_debug sharedlib_from_linklib_result=`$DLLTOOL --identify-strict --identify "$1"` } # func_cygming_dll_for_implib_fallback_core SECTION_NAME LIBNAMEs # # The is the core of a fallback implementation of a # platform-specific function to extract the name of the # DLL associated with the specified import library LIBNAME. # # SECTION_NAME is either .idata$6 or .idata$7, depending # on the platform and compiler that created the implib. # # Echos the name of the DLL associated with the # specified import library. func_cygming_dll_for_implib_fallback_core () { $opt_debug match_literal=`$ECHO "$1" | $SED "$sed_make_literal_regex"` $OBJDUMP -s --section "$1" "$2" 2>/dev/null | $SED '/^Contents of section '"$match_literal"':/{ # Place marker at beginning of archive member dllname section s/.*/====MARK====/ p d } # These lines can sometimes be longer than 43 characters, but # are always uninteresting /:[ ]*file format pe[i]\{,1\}-/d /^In archive [^:]*:/d # Ensure marker is printed /^====MARK====/p # Remove all lines with less than 43 characters /^.\{43\}/!d # From remaining lines, remove first 43 characters s/^.\{43\}//' | $SED -n ' # Join marker and all lines until next marker into a single line /^====MARK====/ b para H $ b para b :para x s/\n//g # Remove the marker s/^====MARK====// # Remove trailing dots and whitespace s/[\. \t]*$// # Print /./p' | # we now have a list, one entry per line, of the stringified # contents of the appropriate section of all members of the # archive which possess that section. Heuristic: eliminate # all those which have a first or second character that is # a '.' (that is, objdump's representation of an unprintable # character.) This should work for all archives with less than # 0x302f exports -- but will fail for DLLs whose name actually # begins with a literal '.' or a single character followed by # a '.'. # # Of those that remain, print the first one. $SED -e '/^\./d;/^.\./d;q' } # func_cygming_gnu_implib_p ARG # This predicate returns with zero status (TRUE) if # ARG is a GNU/binutils-style import library. Returns # with nonzero status (FALSE) otherwise. func_cygming_gnu_implib_p () { $opt_debug func_to_tool_file "$1" func_convert_file_msys_to_w32 func_cygming_gnu_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $EGREP ' (_head_[A-Za-z0-9_]+_[ad]l*|[A-Za-z0-9_]+_[ad]l*_iname)$'` test -n "$func_cygming_gnu_implib_tmp" } # func_cygming_ms_implib_p ARG # This predicate returns with zero status (TRUE) if # ARG is an MS-style import library. Returns # with nonzero status (FALSE) otherwise. func_cygming_ms_implib_p () { $opt_debug func_to_tool_file "$1" func_convert_file_msys_to_w32 func_cygming_ms_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $GREP '_NULL_IMPORT_DESCRIPTOR'` test -n "$func_cygming_ms_implib_tmp" } # func_cygming_dll_for_implib_fallback ARG # Platform-specific function to extract the # name of the DLL associated with the specified # import library ARG. # # This fallback implementation is for use when $DLLTOOL # does not support the --identify-strict option. # Invoked by eval'ing the libtool variable # $sharedlib_from_linklib_cmd # Result is available in the variable # $sharedlib_from_linklib_result func_cygming_dll_for_implib_fallback () { $opt_debug if func_cygming_gnu_implib_p "$1" ; then # binutils import library sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$7' "$1"` elif func_cygming_ms_implib_p "$1" ; then # ms-generated import library sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$6' "$1"` else # unknown sharedlib_from_linklib_result="" fi } # func_extract_an_archive dir oldlib func_extract_an_archive () { $opt_debug f_ex_an_ar_dir="$1"; shift f_ex_an_ar_oldlib="$1" if test "$lock_old_archive_extraction" = yes; then lockfile=$f_ex_an_ar_oldlib.lock until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do func_echo "Waiting for $lockfile to be removed" sleep 2 done fi func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" \ 'stat=$?; rm -f "$lockfile"; exit $stat' if test "$lock_old_archive_extraction" = yes; then $opt_dry_run || rm -f "$lockfile" fi if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then : else func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib" fi } # func_extract_archives gentop oldlib ... func_extract_archives () { $opt_debug my_gentop="$1"; shift my_oldlibs=${1+"$@"} my_oldobjs="" my_xlib="" my_xabs="" my_xdir="" for my_xlib in $my_oldlibs; do # Extract the objects. case $my_xlib in [\\/]* | [A-Za-z]:[\\/]*) my_xabs="$my_xlib" ;; *) my_xabs=`pwd`"/$my_xlib" ;; esac func_basename "$my_xlib" my_xlib="$func_basename_result" my_xlib_u=$my_xlib while :; do case " $extracted_archives " in *" $my_xlib_u "*) func_arith $extracted_serial + 1 extracted_serial=$func_arith_result my_xlib_u=lt$extracted_serial-$my_xlib ;; *) break ;; esac done extracted_archives="$extracted_archives $my_xlib_u" my_xdir="$my_gentop/$my_xlib_u" func_mkdir_p "$my_xdir" case $host in *-darwin*) func_verbose "Extracting $my_xabs" # Do not bother doing anything if just a dry run $opt_dry_run || { darwin_orig_dir=`pwd` cd $my_xdir || exit $? darwin_archive=$my_xabs darwin_curdir=`pwd` darwin_base_archive=`basename "$darwin_archive"` darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true` if test -n "$darwin_arches"; then darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'` darwin_arch= func_verbose "$darwin_base_archive has multiple architectures $darwin_arches" for darwin_arch in $darwin_arches ; do func_mkdir_p "unfat-$$/${darwin_base_archive}-${darwin_arch}" $LIPO -thin $darwin_arch -output "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" "${darwin_archive}" cd "unfat-$$/${darwin_base_archive}-${darwin_arch}" func_extract_an_archive "`pwd`" "${darwin_base_archive}" cd "$darwin_curdir" $RM "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" done # $darwin_arches ## Okay now we've a bunch of thin objects, gotta fatten them up :) darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$basename" | sort -u` darwin_file= darwin_files= for darwin_file in $darwin_filelist; do darwin_files=`find unfat-$$ -name $darwin_file -print | sort | $NL2SP` $LIPO -create -output "$darwin_file" $darwin_files done # $darwin_filelist $RM -rf unfat-$$ cd "$darwin_orig_dir" else cd $darwin_orig_dir func_extract_an_archive "$my_xdir" "$my_xabs" fi # $darwin_arches } # !$opt_dry_run ;; *) func_extract_an_archive "$my_xdir" "$my_xabs" ;; esac my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | sort | $NL2SP` done func_extract_archives_result="$my_oldobjs" } # func_emit_wrapper [arg=no] # # Emit a libtool wrapper script on stdout. # Don't directly open a file because we may want to # incorporate the script contents within a cygwin/mingw # wrapper executable. Must ONLY be called from within # func_mode_link because it depends on a number of variables # set therein. # # ARG is the value that the WRAPPER_SCRIPT_BELONGS_IN_OBJDIR # variable will take. If 'yes', then the emitted script # will assume that the directory in which it is stored is # the $objdir directory. This is a cygwin/mingw-specific # behavior. func_emit_wrapper () { func_emit_wrapper_arg1=${1-no} $ECHO "\ #! $SHELL # $output - temporary wrapper script for $objdir/$outputname # Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION # # The $output program cannot be directly executed until all the libtool # libraries that it depends on are installed. # # This wrapper script should never be moved out of the build directory. # If it is, it will not operate correctly. # Sed substitution that helps us do robust quoting. It backslashifies # metacharacters that are still active within double-quoted strings. sed_quote_subst='$sed_quote_subst' # Be Bourne compatible if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then emulate sh NULLCMD=: # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which # is contrary to our usage. Disable this feature. alias -g '\${1+\"\$@\"}'='\"\$@\"' setopt NO_GLOB_SUBST else case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac fi BIN_SH=xpg4; export BIN_SH # for Tru64 DUALCASE=1; export DUALCASE # for MKS sh # The HP-UX ksh and POSIX shell print the target directory to stdout # if CDPATH is set. (unset CDPATH) >/dev/null 2>&1 && unset CDPATH relink_command=\"$relink_command\" # This environment variable determines our operation mode. if test \"\$libtool_install_magic\" = \"$magic\"; then # install mode needs the following variables: generated_by_libtool_version='$macro_version' notinst_deplibs='$notinst_deplibs' else # When we are sourced in execute mode, \$file and \$ECHO are already set. if test \"\$libtool_execute_magic\" != \"$magic\"; then file=\"\$0\"" qECHO=`$ECHO "$ECHO" | $SED "$sed_quote_subst"` $ECHO "\ # A function that is used when there is no print builtin or printf. func_fallback_echo () { eval 'cat <<_LTECHO_EOF \$1 _LTECHO_EOF' } ECHO=\"$qECHO\" fi # Very basic option parsing. These options are (a) specific to # the libtool wrapper, (b) are identical between the wrapper # /script/ and the wrapper /executable/ which is used only on # windows platforms, and (c) all begin with the string "--lt-" # (application programs are unlikely to have options which match # this pattern). # # There are only two supported options: --lt-debug and # --lt-dump-script. There is, deliberately, no --lt-help. # # The first argument to this parsing function should be the # script's $0 value, followed by "$@". lt_option_debug= func_parse_lt_options () { lt_script_arg0=\$0 shift for lt_opt do case \"\$lt_opt\" in --lt-debug) lt_option_debug=1 ;; --lt-dump-script) lt_dump_D=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%/[^/]*$%%'\` test \"X\$lt_dump_D\" = \"X\$lt_script_arg0\" && lt_dump_D=. lt_dump_F=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%^.*/%%'\` cat \"\$lt_dump_D/\$lt_dump_F\" exit 0 ;; --lt-*) \$ECHO \"Unrecognized --lt- option: '\$lt_opt'\" 1>&2 exit 1 ;; esac done # Print the debug banner immediately: if test -n \"\$lt_option_debug\"; then echo \"${outputname}:${output}:\${LINENO}: libtool wrapper (GNU $PACKAGE$TIMESTAMP) $VERSION\" 1>&2 fi } # Used when --lt-debug. Prints its arguments to stdout # (redirection is the responsibility of the caller) func_lt_dump_args () { lt_dump_args_N=1; for lt_arg do \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[\$lt_dump_args_N]: \$lt_arg\" lt_dump_args_N=\`expr \$lt_dump_args_N + 1\` done } # Core function for launching the target application func_exec_program_core () { " case $host in # Backslashes separate directories on plain windows *-*-mingw | *-*-os2* | *-cegcc*) $ECHO "\ if test -n \"\$lt_option_debug\"; then \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[0]: \$progdir\\\\\$program\" 1>&2 func_lt_dump_args \${1+\"\$@\"} 1>&2 fi exec \"\$progdir\\\\\$program\" \${1+\"\$@\"} " ;; *) $ECHO "\ if test -n \"\$lt_option_debug\"; then \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[0]: \$progdir/\$program\" 1>&2 func_lt_dump_args \${1+\"\$@\"} 1>&2 fi exec \"\$progdir/\$program\" \${1+\"\$@\"} " ;; esac $ECHO "\ \$ECHO \"\$0: cannot exec \$program \$*\" 1>&2 exit 1 } # A function to encapsulate launching the target application # Strips options in the --lt-* namespace from \$@ and # launches target application with the remaining arguments. func_exec_program () { case \" \$* \" in *\\ --lt-*) for lt_wr_arg do case \$lt_wr_arg in --lt-*) ;; *) set x \"\$@\" \"\$lt_wr_arg\"; shift;; esac shift done ;; esac func_exec_program_core \${1+\"\$@\"} } # Parse options func_parse_lt_options \"\$0\" \${1+\"\$@\"} # Find the directory that this script lives in. thisdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*$%%'\` test \"x\$thisdir\" = \"x\$file\" && thisdir=. # Follow symbolic links until we get to the real thisdir. file=\`ls -ld \"\$file\" | $SED -n 's/.*-> //p'\` while test -n \"\$file\"; do destdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*\$%%'\` # If there was a directory component, then change thisdir. if test \"x\$destdir\" != \"x\$file\"; then case \"\$destdir\" in [\\\\/]* | [A-Za-z]:[\\\\/]*) thisdir=\"\$destdir\" ;; *) thisdir=\"\$thisdir/\$destdir\" ;; esac fi file=\`\$ECHO \"\$file\" | $SED 's%^.*/%%'\` file=\`ls -ld \"\$thisdir/\$file\" | $SED -n 's/.*-> //p'\` done # Usually 'no', except on cygwin/mingw when embedded into # the cwrapper. WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=$func_emit_wrapper_arg1 if test \"\$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR\" = \"yes\"; then # special case for '.' if test \"\$thisdir\" = \".\"; then thisdir=\`pwd\` fi # remove .libs from thisdir case \"\$thisdir\" in *[\\\\/]$objdir ) thisdir=\`\$ECHO \"\$thisdir\" | $SED 's%[\\\\/][^\\\\/]*$%%'\` ;; $objdir ) thisdir=. ;; esac fi # Try to get the absolute directory name. absdir=\`cd \"\$thisdir\" && pwd\` test -n \"\$absdir\" && thisdir=\"\$absdir\" " if test "$fast_install" = yes; then $ECHO "\ program=lt-'$outputname'$exeext progdir=\"\$thisdir/$objdir\" if test ! -f \"\$progdir/\$program\" || { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | ${SED} 1q\`; \\ test \"X\$file\" != \"X\$progdir/\$program\"; }; then file=\"\$\$-\$program\" if test ! -d \"\$progdir\"; then $MKDIR \"\$progdir\" else $RM \"\$progdir/\$file\" fi" $ECHO "\ # relink executable if necessary if test -n \"\$relink_command\"; then if relink_command_output=\`eval \$relink_command 2>&1\`; then : else $ECHO \"\$relink_command_output\" >&2 $RM \"\$progdir/\$file\" exit 1 fi fi $MV \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null || { $RM \"\$progdir/\$program\"; $MV \"\$progdir/\$file\" \"\$progdir/\$program\"; } $RM \"\$progdir/\$file\" fi" else $ECHO "\ program='$outputname' progdir=\"\$thisdir/$objdir\" " fi $ECHO "\ if test -f \"\$progdir/\$program\"; then" # fixup the dll searchpath if we need to. # # Fix the DLL searchpath if we need to. Do this before prepending # to shlibpath, because on Windows, both are PATH and uninstalled # libraries must come first. if test -n "$dllsearchpath"; then $ECHO "\ # Add the dll search path components to the executable PATH PATH=$dllsearchpath:\$PATH " fi # Export our shlibpath_var if we have one. if test "$shlibpath_overrides_runpath" = yes && test -n "$shlibpath_var" && test -n "$temp_rpath"; then $ECHO "\ # Add our own library path to $shlibpath_var $shlibpath_var=\"$temp_rpath\$$shlibpath_var\" # Some systems cannot cope with colon-terminated $shlibpath_var # The second colon is a workaround for a bug in BeOS R4 sed $shlibpath_var=\`\$ECHO \"\$$shlibpath_var\" | $SED 's/::*\$//'\` export $shlibpath_var " fi $ECHO "\ if test \"\$libtool_execute_magic\" != \"$magic\"; then # Run the actual program with our arguments. func_exec_program \${1+\"\$@\"} fi else # The program doesn't exist. \$ECHO \"\$0: error: \\\`\$progdir/\$program' does not exist\" 1>&2 \$ECHO \"This script is just a wrapper for \$program.\" 1>&2 \$ECHO \"See the $PACKAGE documentation for more information.\" 1>&2 exit 1 fi fi\ " } # func_emit_cwrapperexe_src # emit the source code for a wrapper executable on stdout # Must ONLY be called from within func_mode_link because # it depends on a number of variable set therein. func_emit_cwrapperexe_src () { cat < #include #ifdef _MSC_VER # include # include # include #else # include # include # ifdef __CYGWIN__ # include # endif #endif #include #include #include #include #include #include #include #include /* declarations of non-ANSI functions */ #if defined(__MINGW32__) # ifdef __STRICT_ANSI__ int _putenv (const char *); # endif #elif defined(__CYGWIN__) # ifdef __STRICT_ANSI__ char *realpath (const char *, char *); int putenv (char *); int setenv (const char *, const char *, int); # endif /* #elif defined (other platforms) ... */ #endif /* portability defines, excluding path handling macros */ #if defined(_MSC_VER) # define setmode _setmode # define stat _stat # define chmod _chmod # define getcwd _getcwd # define putenv _putenv # define S_IXUSR _S_IEXEC # ifndef _INTPTR_T_DEFINED # define _INTPTR_T_DEFINED # define intptr_t int # endif #elif defined(__MINGW32__) # define setmode _setmode # define stat _stat # define chmod _chmod # define getcwd _getcwd # define putenv _putenv #elif defined(__CYGWIN__) # define HAVE_SETENV # define FOPEN_WB "wb" /* #elif defined (other platforms) ... */ #endif #if defined(PATH_MAX) # define LT_PATHMAX PATH_MAX #elif defined(MAXPATHLEN) # define LT_PATHMAX MAXPATHLEN #else # define LT_PATHMAX 1024 #endif #ifndef S_IXOTH # define S_IXOTH 0 #endif #ifndef S_IXGRP # define S_IXGRP 0 #endif /* path handling portability macros */ #ifndef DIR_SEPARATOR # define DIR_SEPARATOR '/' # define PATH_SEPARATOR ':' #endif #if defined (_WIN32) || defined (__MSDOS__) || defined (__DJGPP__) || \ defined (__OS2__) # define HAVE_DOS_BASED_FILE_SYSTEM # define FOPEN_WB "wb" # ifndef DIR_SEPARATOR_2 # define DIR_SEPARATOR_2 '\\' # endif # ifndef PATH_SEPARATOR_2 # define PATH_SEPARATOR_2 ';' # endif #endif #ifndef DIR_SEPARATOR_2 # define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR) #else /* DIR_SEPARATOR_2 */ # define IS_DIR_SEPARATOR(ch) \ (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2)) #endif /* DIR_SEPARATOR_2 */ #ifndef PATH_SEPARATOR_2 # define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR) #else /* PATH_SEPARATOR_2 */ # define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2) #endif /* PATH_SEPARATOR_2 */ #ifndef FOPEN_WB # define FOPEN_WB "w" #endif #ifndef _O_BINARY # define _O_BINARY 0 #endif #define XMALLOC(type, num) ((type *) xmalloc ((num) * sizeof(type))) #define XFREE(stale) do { \ if (stale) { free ((void *) stale); stale = 0; } \ } while (0) #if defined(LT_DEBUGWRAPPER) static int lt_debug = 1; #else static int lt_debug = 0; #endif const char *program_name = "libtool-wrapper"; /* in case xstrdup fails */ void *xmalloc (size_t num); char *xstrdup (const char *string); const char *base_name (const char *name); char *find_executable (const char *wrapper); char *chase_symlinks (const char *pathspec); int make_executable (const char *path); int check_executable (const char *path); char *strendzap (char *str, const char *pat); void lt_debugprintf (const char *file, int line, const char *fmt, ...); void lt_fatal (const char *file, int line, const char *message, ...); static const char *nonnull (const char *s); static const char *nonempty (const char *s); void lt_setenv (const char *name, const char *value); char *lt_extend_str (const char *orig_value, const char *add, int to_end); void lt_update_exe_path (const char *name, const char *value); void lt_update_lib_path (const char *name, const char *value); char **prepare_spawn (char **argv); void lt_dump_script (FILE *f); EOF cat <= 0) && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))) return 1; else return 0; } int make_executable (const char *path) { int rval = 0; struct stat st; lt_debugprintf (__FILE__, __LINE__, "(make_executable): %s\n", nonempty (path)); if ((!path) || (!*path)) return 0; if (stat (path, &st) >= 0) { rval = chmod (path, st.st_mode | S_IXOTH | S_IXGRP | S_IXUSR); } return rval; } /* Searches for the full path of the wrapper. Returns newly allocated full path name if found, NULL otherwise Does not chase symlinks, even on platforms that support them. */ char * find_executable (const char *wrapper) { int has_slash = 0; const char *p; const char *p_next; /* static buffer for getcwd */ char tmp[LT_PATHMAX + 1]; int tmp_len; char *concat_name; lt_debugprintf (__FILE__, __LINE__, "(find_executable): %s\n", nonempty (wrapper)); if ((wrapper == NULL) || (*wrapper == '\0')) return NULL; /* Absolute path? */ #if defined (HAVE_DOS_BASED_FILE_SYSTEM) if (isalpha ((unsigned char) wrapper[0]) && wrapper[1] == ':') { concat_name = xstrdup (wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } else { #endif if (IS_DIR_SEPARATOR (wrapper[0])) { concat_name = xstrdup (wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } #if defined (HAVE_DOS_BASED_FILE_SYSTEM) } #endif for (p = wrapper; *p; p++) if (*p == '/') { has_slash = 1; break; } if (!has_slash) { /* no slashes; search PATH */ const char *path = getenv ("PATH"); if (path != NULL) { for (p = path; *p; p = p_next) { const char *q; size_t p_len; for (q = p; *q; q++) if (IS_PATH_SEPARATOR (*q)) break; p_len = q - p; p_next = (*q == '\0' ? q : q + 1); if (p_len == 0) { /* empty path: current directory */ if (getcwd (tmp, LT_PATHMAX) == NULL) lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", nonnull (strerror (errno))); tmp_len = strlen (tmp); concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, tmp, tmp_len); concat_name[tmp_len] = '/'; strcpy (concat_name + tmp_len + 1, wrapper); } else { concat_name = XMALLOC (char, p_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, p, p_len); concat_name[p_len] = '/'; strcpy (concat_name + p_len + 1, wrapper); } if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } } /* not found in PATH; assume curdir */ } /* Relative path | not found in path: prepend cwd */ if (getcwd (tmp, LT_PATHMAX) == NULL) lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", nonnull (strerror (errno))); tmp_len = strlen (tmp); concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, tmp, tmp_len); concat_name[tmp_len] = '/'; strcpy (concat_name + tmp_len + 1, wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); return NULL; } char * chase_symlinks (const char *pathspec) { #ifndef S_ISLNK return xstrdup (pathspec); #else char buf[LT_PATHMAX]; struct stat s; char *tmp_pathspec = xstrdup (pathspec); char *p; int has_symlinks = 0; while (strlen (tmp_pathspec) && !has_symlinks) { lt_debugprintf (__FILE__, __LINE__, "checking path component for symlinks: %s\n", tmp_pathspec); if (lstat (tmp_pathspec, &s) == 0) { if (S_ISLNK (s.st_mode) != 0) { has_symlinks = 1; break; } /* search backwards for last DIR_SEPARATOR */ p = tmp_pathspec + strlen (tmp_pathspec) - 1; while ((p > tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) p--; if ((p == tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) { /* no more DIR_SEPARATORS left */ break; } *p = '\0'; } else { lt_fatal (__FILE__, __LINE__, "error accessing file \"%s\": %s", tmp_pathspec, nonnull (strerror (errno))); } } XFREE (tmp_pathspec); if (!has_symlinks) { return xstrdup (pathspec); } tmp_pathspec = realpath (pathspec, buf); if (tmp_pathspec == 0) { lt_fatal (__FILE__, __LINE__, "could not follow symlinks for %s", pathspec); } return xstrdup (tmp_pathspec); #endif } char * strendzap (char *str, const char *pat) { size_t len, patlen; assert (str != NULL); assert (pat != NULL); len = strlen (str); patlen = strlen (pat); if (patlen <= len) { str += len - patlen; if (strcmp (str, pat) == 0) *str = '\0'; } return str; } void lt_debugprintf (const char *file, int line, const char *fmt, ...) { va_list args; if (lt_debug) { (void) fprintf (stderr, "%s:%s:%d: ", program_name, file, line); va_start (args, fmt); (void) vfprintf (stderr, fmt, args); va_end (args); } } static void lt_error_core (int exit_status, const char *file, int line, const char *mode, const char *message, va_list ap) { fprintf (stderr, "%s:%s:%d: %s: ", program_name, file, line, mode); vfprintf (stderr, message, ap); fprintf (stderr, ".\n"); if (exit_status >= 0) exit (exit_status); } void lt_fatal (const char *file, int line, const char *message, ...) { va_list ap; va_start (ap, message); lt_error_core (EXIT_FAILURE, file, line, "FATAL", message, ap); va_end (ap); } static const char * nonnull (const char *s) { return s ? s : "(null)"; } static const char * nonempty (const char *s) { return (s && !*s) ? "(empty)" : nonnull (s); } void lt_setenv (const char *name, const char *value) { lt_debugprintf (__FILE__, __LINE__, "(lt_setenv) setting '%s' to '%s'\n", nonnull (name), nonnull (value)); { #ifdef HAVE_SETENV /* always make a copy, for consistency with !HAVE_SETENV */ char *str = xstrdup (value); setenv (name, str, 1); #else int len = strlen (name) + 1 + strlen (value) + 1; char *str = XMALLOC (char, len); sprintf (str, "%s=%s", name, value); if (putenv (str) != EXIT_SUCCESS) { XFREE (str); } #endif } } char * lt_extend_str (const char *orig_value, const char *add, int to_end) { char *new_value; if (orig_value && *orig_value) { int orig_value_len = strlen (orig_value); int add_len = strlen (add); new_value = XMALLOC (char, add_len + orig_value_len + 1); if (to_end) { strcpy (new_value, orig_value); strcpy (new_value + orig_value_len, add); } else { strcpy (new_value, add); strcpy (new_value + add_len, orig_value); } } else { new_value = xstrdup (add); } return new_value; } void lt_update_exe_path (const char *name, const char *value) { lt_debugprintf (__FILE__, __LINE__, "(lt_update_exe_path) modifying '%s' by prepending '%s'\n", nonnull (name), nonnull (value)); if (name && *name && value && *value) { char *new_value = lt_extend_str (getenv (name), value, 0); /* some systems can't cope with a ':'-terminated path #' */ int len = strlen (new_value); while (((len = strlen (new_value)) > 0) && IS_PATH_SEPARATOR (new_value[len-1])) { new_value[len-1] = '\0'; } lt_setenv (name, new_value); XFREE (new_value); } } void lt_update_lib_path (const char *name, const char *value) { lt_debugprintf (__FILE__, __LINE__, "(lt_update_lib_path) modifying '%s' by prepending '%s'\n", nonnull (name), nonnull (value)); if (name && *name && value && *value) { char *new_value = lt_extend_str (getenv (name), value, 0); lt_setenv (name, new_value); XFREE (new_value); } } EOF case $host_os in mingw*) cat <<"EOF" /* Prepares an argument vector before calling spawn(). Note that spawn() does not by itself call the command interpreter (getenv ("COMSPEC") != NULL ? getenv ("COMSPEC") : ({ OSVERSIONINFO v; v.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); GetVersionEx(&v); v.dwPlatformId == VER_PLATFORM_WIN32_NT; }) ? "cmd.exe" : "command.com"). Instead it simply concatenates the arguments, separated by ' ', and calls CreateProcess(). We must quote the arguments since Win32 CreateProcess() interprets characters like ' ', '\t', '\\', '"' (but not '<' and '>') in a special way: - Space and tab are interpreted as delimiters. They are not treated as delimiters if they are surrounded by double quotes: "...". - Unescaped double quotes are removed from the input. Their only effect is that within double quotes, space and tab are treated like normal characters. - Backslashes not followed by double quotes are not special. - But 2*n+1 backslashes followed by a double quote become n backslashes followed by a double quote (n >= 0): \" -> " \\\" -> \" \\\\\" -> \\" */ #define SHELL_SPECIAL_CHARS "\"\\ \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" #define SHELL_SPACE_CHARS " \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" char ** prepare_spawn (char **argv) { size_t argc; char **new_argv; size_t i; /* Count number of arguments. */ for (argc = 0; argv[argc] != NULL; argc++) ; /* Allocate new argument vector. */ new_argv = XMALLOC (char *, argc + 1); /* Put quoted arguments into the new argument vector. */ for (i = 0; i < argc; i++) { const char *string = argv[i]; if (string[0] == '\0') new_argv[i] = xstrdup ("\"\""); else if (strpbrk (string, SHELL_SPECIAL_CHARS) != NULL) { int quote_around = (strpbrk (string, SHELL_SPACE_CHARS) != NULL); size_t length; unsigned int backslashes; const char *s; char *quoted_string; char *p; length = 0; backslashes = 0; if (quote_around) length++; for (s = string; *s != '\0'; s++) { char c = *s; if (c == '"') length += backslashes + 1; length++; if (c == '\\') backslashes++; else backslashes = 0; } if (quote_around) length += backslashes + 1; quoted_string = XMALLOC (char, length + 1); p = quoted_string; backslashes = 0; if (quote_around) *p++ = '"'; for (s = string; *s != '\0'; s++) { char c = *s; if (c == '"') { unsigned int j; for (j = backslashes + 1; j > 0; j--) *p++ = '\\'; } *p++ = c; if (c == '\\') backslashes++; else backslashes = 0; } if (quote_around) { unsigned int j; for (j = backslashes; j > 0; j--) *p++ = '\\'; *p++ = '"'; } *p = '\0'; new_argv[i] = quoted_string; } else new_argv[i] = (char *) string; } new_argv[argc] = NULL; return new_argv; } EOF ;; esac cat <<"EOF" void lt_dump_script (FILE* f) { EOF func_emit_wrapper yes | $SED -n -e ' s/^\(.\{79\}\)\(..*\)/\1\ \2/ h s/\([\\"]\)/\\\1/g s/$/\\n/ s/\([^\n]*\).*/ fputs ("\1", f);/p g D' cat <<"EOF" } EOF } # end: func_emit_cwrapperexe_src # func_win32_import_lib_p ARG # True if ARG is an import lib, as indicated by $file_magic_cmd func_win32_import_lib_p () { $opt_debug case `eval $file_magic_cmd \"\$1\" 2>/dev/null | $SED -e 10q` in *import*) : ;; *) false ;; esac } # func_mode_link arg... func_mode_link () { $opt_debug case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) # It is impossible to link a dll without this setting, and # we shouldn't force the makefile maintainer to figure out # which system we are compiling for in order to pass an extra # flag for every libtool invocation. # allow_undefined=no # FIXME: Unfortunately, there are problems with the above when trying # to make a dll which has undefined symbols, in which case not # even a static library is built. For now, we need to specify # -no-undefined on the libtool link line when we can be certain # that all symbols are satisfied, otherwise we get a static library. allow_undefined=yes ;; *) allow_undefined=yes ;; esac libtool_args=$nonopt base_compile="$nonopt $@" compile_command=$nonopt finalize_command=$nonopt compile_rpath= finalize_rpath= compile_shlibpath= finalize_shlibpath= convenience= old_convenience= deplibs= old_deplibs= compiler_flags= linker_flags= dllsearchpath= lib_search_path=`pwd` inst_prefix_dir= new_inherited_linker_flags= avoid_version=no bindir= dlfiles= dlprefiles= dlself=no export_dynamic=no export_symbols= export_symbols_regex= generated= libobjs= ltlibs= module=no no_install=no objs= non_pic_objects= precious_files_regex= prefer_static_libs=no preload=no prev= prevarg= release= rpath= xrpath= perm_rpath= temp_rpath= thread_safe=no vinfo= vinfo_number=no weak_libs= single_module="${wl}-single_module" func_infer_tag $base_compile # We need to know -static, to get the right output filenames. for arg do case $arg in -shared) test "$build_libtool_libs" != yes && \ func_fatal_configuration "can not build a shared library" build_old_libs=no break ;; -all-static | -static | -static-libtool-libs) case $arg in -all-static) if test "$build_libtool_libs" = yes && test -z "$link_static_flag"; then func_warning "complete static linking is impossible in this configuration" fi if test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=yes ;; -static) if test -z "$pic_flag" && test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=built ;; -static-libtool-libs) if test -z "$pic_flag" && test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=yes ;; esac build_libtool_libs=no build_old_libs=yes break ;; esac done # See if our shared archives depend on static archives. test -n "$old_archive_from_new_cmds" && build_old_libs=yes # Go through the arguments, transforming them on the way. while test "$#" -gt 0; do arg="$1" shift func_quote_for_eval "$arg" qarg=$func_quote_for_eval_unquoted_result func_append libtool_args " $func_quote_for_eval_result" # If the previous option needs an argument, assign it. if test -n "$prev"; then case $prev in output) func_append compile_command " @OUTPUT@" func_append finalize_command " @OUTPUT@" ;; esac case $prev in bindir) bindir="$arg" prev= continue ;; dlfiles|dlprefiles) if test "$preload" = no; then # Add the symbol object into the linking commands. func_append compile_command " @SYMFILE@" func_append finalize_command " @SYMFILE@" preload=yes fi case $arg in *.la | *.lo) ;; # We handle these cases below. force) if test "$dlself" = no; then dlself=needless export_dynamic=yes fi prev= continue ;; self) if test "$prev" = dlprefiles; then dlself=yes elif test "$prev" = dlfiles && test "$dlopen_self" != yes; then dlself=yes else dlself=needless export_dynamic=yes fi prev= continue ;; *) if test "$prev" = dlfiles; then func_append dlfiles " $arg" else func_append dlprefiles " $arg" fi prev= continue ;; esac ;; expsyms) export_symbols="$arg" test -f "$arg" \ || func_fatal_error "symbol file \`$arg' does not exist" prev= continue ;; expsyms_regex) export_symbols_regex="$arg" prev= continue ;; framework) case $host in *-*-darwin*) case "$deplibs " in *" $qarg.ltframework "*) ;; *) func_append deplibs " $qarg.ltframework" # this is fixed later ;; esac ;; esac prev= continue ;; inst_prefix) inst_prefix_dir="$arg" prev= continue ;; objectlist) if test -f "$arg"; then save_arg=$arg moreargs= for fil in `cat "$save_arg"` do # func_append moreargs " $fil" arg=$fil # A libtool-controlled object. # Check to see that this really is a libtool object. if func_lalib_unsafe_p "$arg"; then pic_object= non_pic_object= # Read the .lo file func_source "$arg" if test -z "$pic_object" || test -z "$non_pic_object" || test "$pic_object" = none && test "$non_pic_object" = none; then func_fatal_error "cannot find name of object for \`$arg'" fi # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir="$func_dirname_result" if test "$pic_object" != none; then # Prepend the subdirectory the object is found in. pic_object="$xdir$pic_object" if test "$prev" = dlfiles; then if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then func_append dlfiles " $pic_object" prev= continue else # If libtool objects are unsupported, then we need to preload. prev=dlprefiles fi fi # CHECK ME: I think I busted this. -Ossama if test "$prev" = dlprefiles; then # Preload the old-style object. func_append dlprefiles " $pic_object" prev= fi # A PIC object. func_append libobjs " $pic_object" arg="$pic_object" fi # Non-PIC object. if test "$non_pic_object" != none; then # Prepend the subdirectory the object is found in. non_pic_object="$xdir$non_pic_object" # A standard non-PIC object func_append non_pic_objects " $non_pic_object" if test -z "$pic_object" || test "$pic_object" = none ; then arg="$non_pic_object" fi else # If the PIC object exists, use it instead. # $xdir was prepended to $pic_object above. non_pic_object="$pic_object" func_append non_pic_objects " $non_pic_object" fi else # Only an error if not doing a dry-run. if $opt_dry_run; then # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir="$func_dirname_result" func_lo2o "$arg" pic_object=$xdir$objdir/$func_lo2o_result non_pic_object=$xdir$func_lo2o_result func_append libobjs " $pic_object" func_append non_pic_objects " $non_pic_object" else func_fatal_error "\`$arg' is not a valid libtool object" fi fi done else func_fatal_error "link input file \`$arg' does not exist" fi arg=$save_arg prev= continue ;; precious_regex) precious_files_regex="$arg" prev= continue ;; release) release="-$arg" prev= continue ;; rpath | xrpath) # We need an absolute path. case $arg in [\\/]* | [A-Za-z]:[\\/]*) ;; *) func_fatal_error "only absolute run-paths are allowed" ;; esac if test "$prev" = rpath; then case "$rpath " in *" $arg "*) ;; *) func_append rpath " $arg" ;; esac else case "$xrpath " in *" $arg "*) ;; *) func_append xrpath " $arg" ;; esac fi prev= continue ;; shrext) shrext_cmds="$arg" prev= continue ;; weak) func_append weak_libs " $arg" prev= continue ;; xcclinker) func_append linker_flags " $qarg" func_append compiler_flags " $qarg" prev= func_append compile_command " $qarg" func_append finalize_command " $qarg" continue ;; xcompiler) func_append compiler_flags " $qarg" prev= func_append compile_command " $qarg" func_append finalize_command " $qarg" continue ;; xlinker) func_append linker_flags " $qarg" func_append compiler_flags " $wl$qarg" prev= func_append compile_command " $wl$qarg" func_append finalize_command " $wl$qarg" continue ;; *) eval "$prev=\"\$arg\"" prev= continue ;; esac fi # test -n "$prev" prevarg="$arg" case $arg in -all-static) if test -n "$link_static_flag"; then # See comment for -static flag below, for more details. func_append compile_command " $link_static_flag" func_append finalize_command " $link_static_flag" fi continue ;; -allow-undefined) # FIXME: remove this flag sometime in the future. func_fatal_error "\`-allow-undefined' must not be used because it is the default" ;; -avoid-version) avoid_version=yes continue ;; -bindir) prev=bindir continue ;; -dlopen) prev=dlfiles continue ;; -dlpreopen) prev=dlprefiles continue ;; -export-dynamic) export_dynamic=yes continue ;; -export-symbols | -export-symbols-regex) if test -n "$export_symbols" || test -n "$export_symbols_regex"; then func_fatal_error "more than one -exported-symbols argument is not allowed" fi if test "X$arg" = "X-export-symbols"; then prev=expsyms else prev=expsyms_regex fi continue ;; -framework) prev=framework continue ;; -inst-prefix-dir) prev=inst_prefix continue ;; # The native IRIX linker understands -LANG:*, -LIST:* and -LNO:* # so, if we see these flags be careful not to treat them like -L -L[A-Z][A-Z]*:*) case $with_gcc/$host in no/*-*-irix* | /*-*-irix*) func_append compile_command " $arg" func_append finalize_command " $arg" ;; esac continue ;; -L*) func_stripname "-L" '' "$arg" if test -z "$func_stripname_result"; then if test "$#" -gt 0; then func_fatal_error "require no space between \`-L' and \`$1'" else func_fatal_error "need path for \`-L' option" fi fi func_resolve_sysroot "$func_stripname_result" dir=$func_resolve_sysroot_result # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) ;; *) absdir=`cd "$dir" && pwd` test -z "$absdir" && \ func_fatal_error "cannot determine absolute directory name of \`$dir'" dir="$absdir" ;; esac case "$deplibs " in *" -L$dir "* | *" $arg "*) # Will only happen for absolute or sysroot arguments ;; *) # Preserve sysroot, but never include relative directories case $dir in [\\/]* | [A-Za-z]:[\\/]* | =*) func_append deplibs " $arg" ;; *) func_append deplibs " -L$dir" ;; esac func_append lib_search_path " $dir" ;; esac case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) testbindir=`$ECHO "$dir" | $SED 's*/lib$*/bin*'` case :$dllsearchpath: in *":$dir:"*) ;; ::) dllsearchpath=$dir;; *) func_append dllsearchpath ":$dir";; esac case :$dllsearchpath: in *":$testbindir:"*) ;; ::) dllsearchpath=$testbindir;; *) func_append dllsearchpath ":$testbindir";; esac ;; esac continue ;; -l*) if test "X$arg" = "X-lc" || test "X$arg" = "X-lm"; then case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-beos* | *-cegcc* | *-*-haiku*) # These systems don't actually have a C or math library (as such) continue ;; *-*-os2*) # These systems don't actually have a C library (as such) test "X$arg" = "X-lc" && continue ;; *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) # Do not include libc due to us having libc/libc_r. test "X$arg" = "X-lc" && continue ;; *-*-rhapsody* | *-*-darwin1.[012]) # Rhapsody C and math libraries are in the System framework func_append deplibs " System.ltframework" continue ;; *-*-sco3.2v5* | *-*-sco5v6*) # Causes problems with __ctype test "X$arg" = "X-lc" && continue ;; *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) # Compiler inserts libc in the correct place for threads to work test "X$arg" = "X-lc" && continue ;; esac elif test "X$arg" = "X-lc_r"; then case $host in *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) # Do not include libc_r directly, use -pthread flag. continue ;; esac fi func_append deplibs " $arg" continue ;; -module) module=yes continue ;; # Tru64 UNIX uses -model [arg] to determine the layout of C++ # classes, name mangling, and exception handling. # Darwin uses the -arch flag to determine output architecture. -model|-arch|-isysroot|--sysroot) func_append compiler_flags " $arg" func_append compile_command " $arg" func_append finalize_command " $arg" prev=xcompiler continue ;; -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \ |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*) func_append compiler_flags " $arg" func_append compile_command " $arg" func_append finalize_command " $arg" case "$new_inherited_linker_flags " in *" $arg "*) ;; * ) func_append new_inherited_linker_flags " $arg" ;; esac continue ;; -multi_module) single_module="${wl}-multi_module" continue ;; -no-fast-install) fast_install=no continue ;; -no-install) case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-darwin* | *-cegcc*) # The PATH hackery in wrapper scripts is required on Windows # and Darwin in order for the loader to find any dlls it needs. func_warning "\`-no-install' is ignored for $host" func_warning "assuming \`-no-fast-install' instead" fast_install=no ;; *) no_install=yes ;; esac continue ;; -no-undefined) allow_undefined=no continue ;; -objectlist) prev=objectlist continue ;; -o) prev=output ;; -precious-files-regex) prev=precious_regex continue ;; -release) prev=release continue ;; -rpath) prev=rpath continue ;; -R) prev=xrpath continue ;; -R*) func_stripname '-R' '' "$arg" dir=$func_stripname_result # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) ;; =*) func_stripname '=' '' "$dir" dir=$lt_sysroot$func_stripname_result ;; *) func_fatal_error "only absolute run-paths are allowed" ;; esac case "$xrpath " in *" $dir "*) ;; *) func_append xrpath " $dir" ;; esac continue ;; -shared) # The effects of -shared are defined in a previous loop. continue ;; -shrext) prev=shrext continue ;; -static | -static-libtool-libs) # The effects of -static are defined in a previous loop. # We used to do the same as -all-static on platforms that # didn't have a PIC flag, but the assumption that the effects # would be equivalent was wrong. It would break on at least # Digital Unix and AIX. continue ;; -thread-safe) thread_safe=yes continue ;; -version-info) prev=vinfo continue ;; -version-number) prev=vinfo vinfo_number=yes continue ;; -weak) prev=weak continue ;; -Wc,*) func_stripname '-Wc,' '' "$arg" args=$func_stripname_result arg= save_ifs="$IFS"; IFS=',' for flag in $args; do IFS="$save_ifs" func_quote_for_eval "$flag" func_append arg " $func_quote_for_eval_result" func_append compiler_flags " $func_quote_for_eval_result" done IFS="$save_ifs" func_stripname ' ' '' "$arg" arg=$func_stripname_result ;; -Wl,*) func_stripname '-Wl,' '' "$arg" args=$func_stripname_result arg= save_ifs="$IFS"; IFS=',' for flag in $args; do IFS="$save_ifs" func_quote_for_eval "$flag" func_append arg " $wl$func_quote_for_eval_result" func_append compiler_flags " $wl$func_quote_for_eval_result" func_append linker_flags " $func_quote_for_eval_result" done IFS="$save_ifs" func_stripname ' ' '' "$arg" arg=$func_stripname_result ;; -Xcompiler) prev=xcompiler continue ;; -Xlinker) prev=xlinker continue ;; -XCClinker) prev=xcclinker continue ;; # -msg_* for osf cc -msg_*) func_quote_for_eval "$arg" arg="$func_quote_for_eval_result" ;; # Flags to be passed through unchanged, with rationale: # -64, -mips[0-9] enable 64-bit mode for the SGI compiler # -r[0-9][0-9]* specify processor for the SGI compiler # -xarch=*, -xtarget=* enable 64-bit mode for the Sun compiler # +DA*, +DD* enable 64-bit mode for the HP compiler # -q* compiler args for the IBM compiler # -m*, -t[45]*, -txscale* architecture-specific flags for GCC # -F/path path to uninstalled frameworks, gcc on darwin # -p, -pg, --coverage, -fprofile-* profiling flags for GCC # @file GCC response files # -tp=* Portland pgcc target processor selection # --sysroot=* for sysroot support # -O*, -flto*, -fwhopr*, -fuse-linker-plugin GCC link-time optimization -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \ -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \ -O*|-flto*|-fwhopr*|-fuse-linker-plugin) func_quote_for_eval "$arg" arg="$func_quote_for_eval_result" func_append compile_command " $arg" func_append finalize_command " $arg" func_append compiler_flags " $arg" continue ;; # Some other compiler flag. -* | +*) func_quote_for_eval "$arg" arg="$func_quote_for_eval_result" ;; *.$objext) # A standard object. func_append objs " $arg" ;; *.lo) # A libtool-controlled object. # Check to see that this really is a libtool object. if func_lalib_unsafe_p "$arg"; then pic_object= non_pic_object= # Read the .lo file func_source "$arg" if test -z "$pic_object" || test -z "$non_pic_object" || test "$pic_object" = none && test "$non_pic_object" = none; then func_fatal_error "cannot find name of object for \`$arg'" fi # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir="$func_dirname_result" if test "$pic_object" != none; then # Prepend the subdirectory the object is found in. pic_object="$xdir$pic_object" if test "$prev" = dlfiles; then if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then func_append dlfiles " $pic_object" prev= continue else # If libtool objects are unsupported, then we need to preload. prev=dlprefiles fi fi # CHECK ME: I think I busted this. -Ossama if test "$prev" = dlprefiles; then # Preload the old-style object. func_append dlprefiles " $pic_object" prev= fi # A PIC object. func_append libobjs " $pic_object" arg="$pic_object" fi # Non-PIC object. if test "$non_pic_object" != none; then # Prepend the subdirectory the object is found in. non_pic_object="$xdir$non_pic_object" # A standard non-PIC object func_append non_pic_objects " $non_pic_object" if test -z "$pic_object" || test "$pic_object" = none ; then arg="$non_pic_object" fi else # If the PIC object exists, use it instead. # $xdir was prepended to $pic_object above. non_pic_object="$pic_object" func_append non_pic_objects " $non_pic_object" fi else # Only an error if not doing a dry-run. if $opt_dry_run; then # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir="$func_dirname_result" func_lo2o "$arg" pic_object=$xdir$objdir/$func_lo2o_result non_pic_object=$xdir$func_lo2o_result func_append libobjs " $pic_object" func_append non_pic_objects " $non_pic_object" else func_fatal_error "\`$arg' is not a valid libtool object" fi fi ;; *.$libext) # An archive. func_append deplibs " $arg" func_append old_deplibs " $arg" continue ;; *.la) # A libtool-controlled library. func_resolve_sysroot "$arg" if test "$prev" = dlfiles; then # This library was specified with -dlopen. func_append dlfiles " $func_resolve_sysroot_result" prev= elif test "$prev" = dlprefiles; then # The library was specified with -dlpreopen. func_append dlprefiles " $func_resolve_sysroot_result" prev= else func_append deplibs " $func_resolve_sysroot_result" fi continue ;; # Some other compiler argument. *) # Unknown arguments in both finalize_command and compile_command need # to be aesthetically quoted because they are evaled later. func_quote_for_eval "$arg" arg="$func_quote_for_eval_result" ;; esac # arg # Now actually substitute the argument into the commands. if test -n "$arg"; then func_append compile_command " $arg" func_append finalize_command " $arg" fi done # argument parsing loop test -n "$prev" && \ func_fatal_help "the \`$prevarg' option requires an argument" if test "$export_dynamic" = yes && test -n "$export_dynamic_flag_spec"; then eval arg=\"$export_dynamic_flag_spec\" func_append compile_command " $arg" func_append finalize_command " $arg" fi oldlibs= # calculate the name of the file, without its directory func_basename "$output" outputname="$func_basename_result" libobjs_save="$libobjs" if test -n "$shlibpath_var"; then # get the directories listed in $shlibpath_var eval shlib_search_path=\`\$ECHO \"\${$shlibpath_var}\" \| \$SED \'s/:/ /g\'\` else shlib_search_path= fi eval sys_lib_search_path=\"$sys_lib_search_path_spec\" eval sys_lib_dlsearch_path=\"$sys_lib_dlsearch_path_spec\" func_dirname "$output" "/" "" output_objdir="$func_dirname_result$objdir" func_to_tool_file "$output_objdir/" tool_output_objdir=$func_to_tool_file_result # Create the object directory. func_mkdir_p "$output_objdir" # Determine the type of output case $output in "") func_fatal_help "you must specify an output file" ;; *.$libext) linkmode=oldlib ;; *.lo | *.$objext) linkmode=obj ;; *.la) linkmode=lib ;; *) linkmode=prog ;; # Anything else should be a program. esac specialdeplibs= libs= # Find all interdependent deplibs by searching for libraries # that are linked more than once (e.g. -la -lb -la) for deplib in $deplibs; do if $opt_preserve_dup_deps ; then case "$libs " in *" $deplib "*) func_append specialdeplibs " $deplib" ;; esac fi func_append libs " $deplib" done if test "$linkmode" = lib; then libs="$predeps $libs $compiler_lib_search_path $postdeps" # Compute libraries that are listed more than once in $predeps # $postdeps and mark them as special (i.e., whose duplicates are # not to be eliminated). pre_post_deps= if $opt_duplicate_compiler_generated_deps; then for pre_post_dep in $predeps $postdeps; do case "$pre_post_deps " in *" $pre_post_dep "*) func_append specialdeplibs " $pre_post_deps" ;; esac func_append pre_post_deps " $pre_post_dep" done fi pre_post_deps= fi deplibs= newdependency_libs= newlib_search_path= need_relink=no # whether we're linking any uninstalled libtool libraries notinst_deplibs= # not-installed libtool libraries notinst_path= # paths that contain not-installed libtool libraries case $linkmode in lib) passes="conv dlpreopen link" for file in $dlfiles $dlprefiles; do case $file in *.la) ;; *) func_fatal_help "libraries can \`-dlopen' only libtool libraries: $file" ;; esac done ;; prog) compile_deplibs= finalize_deplibs= alldeplibs=no newdlfiles= newdlprefiles= passes="conv scan dlopen dlpreopen link" ;; *) passes="conv" ;; esac for pass in $passes; do # The preopen pass in lib mode reverses $deplibs; put it back here # so that -L comes before libs that need it for instance... if test "$linkmode,$pass" = "lib,link"; then ## FIXME: Find the place where the list is rebuilt in the wrong ## order, and fix it there properly tmp_deplibs= for deplib in $deplibs; do tmp_deplibs="$deplib $tmp_deplibs" done deplibs="$tmp_deplibs" fi if test "$linkmode,$pass" = "lib,link" || test "$linkmode,$pass" = "prog,scan"; then libs="$deplibs" deplibs= fi if test "$linkmode" = prog; then case $pass in dlopen) libs="$dlfiles" ;; dlpreopen) libs="$dlprefiles" ;; link) libs="$deplibs %DEPLIBS%" test "X$link_all_deplibs" != Xno && libs="$libs $dependency_libs" ;; esac fi if test "$linkmode,$pass" = "lib,dlpreopen"; then # Collect and forward deplibs of preopened libtool libs for lib in $dlprefiles; do # Ignore non-libtool-libs dependency_libs= func_resolve_sysroot "$lib" case $lib in *.la) func_source "$func_resolve_sysroot_result" ;; esac # Collect preopened libtool deplibs, except any this library # has declared as weak libs for deplib in $dependency_libs; do func_basename "$deplib" deplib_base=$func_basename_result case " $weak_libs " in *" $deplib_base "*) ;; *) func_append deplibs " $deplib" ;; esac done done libs="$dlprefiles" fi if test "$pass" = dlopen; then # Collect dlpreopened libraries save_deplibs="$deplibs" deplibs= fi for deplib in $libs; do lib= found=no case $deplib in -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \ |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*) if test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else func_append compiler_flags " $deplib" if test "$linkmode" = lib ; then case "$new_inherited_linker_flags " in *" $deplib "*) ;; * ) func_append new_inherited_linker_flags " $deplib" ;; esac fi fi continue ;; -l*) if test "$linkmode" != lib && test "$linkmode" != prog; then func_warning "\`-l' is ignored for archives/objects" continue fi func_stripname '-l' '' "$deplib" name=$func_stripname_result if test "$linkmode" = lib; then searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path" else searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path" fi for searchdir in $searchdirs; do for search_ext in .la $std_shrext .so .a; do # Search the libtool library lib="$searchdir/lib${name}${search_ext}" if test -f "$lib"; then if test "$search_ext" = ".la"; then found=yes else found=no fi break 2 fi done done if test "$found" != yes; then # deplib doesn't seem to be a libtool library if test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else deplibs="$deplib $deplibs" test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs" fi continue else # deplib is a libtool library # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib, # We need to do some special things here, and not later. if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then case " $predeps $postdeps " in *" $deplib "*) if func_lalib_p "$lib"; then library_names= old_library= func_source "$lib" for l in $old_library $library_names; do ll="$l" done if test "X$ll" = "X$old_library" ; then # only static version available found=no func_dirname "$lib" "" "." ladir="$func_dirname_result" lib=$ladir/$old_library if test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else deplibs="$deplib $deplibs" test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs" fi continue fi fi ;; *) ;; esac fi fi ;; # -l *.ltframework) if test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else deplibs="$deplib $deplibs" if test "$linkmode" = lib ; then case "$new_inherited_linker_flags " in *" $deplib "*) ;; * ) func_append new_inherited_linker_flags " $deplib" ;; esac fi fi continue ;; -L*) case $linkmode in lib) deplibs="$deplib $deplibs" test "$pass" = conv && continue newdependency_libs="$deplib $newdependency_libs" func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result" func_append newlib_search_path " $func_resolve_sysroot_result" ;; prog) if test "$pass" = conv; then deplibs="$deplib $deplibs" continue fi if test "$pass" = scan; then deplibs="$deplib $deplibs" else compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" fi func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result" func_append newlib_search_path " $func_resolve_sysroot_result" ;; *) func_warning "\`-L' is ignored for archives/objects" ;; esac # linkmode continue ;; # -L -R*) if test "$pass" = link; then func_stripname '-R' '' "$deplib" func_resolve_sysroot "$func_stripname_result" dir=$func_resolve_sysroot_result # Make sure the xrpath contains only unique directories. case "$xrpath " in *" $dir "*) ;; *) func_append xrpath " $dir" ;; esac fi deplibs="$deplib $deplibs" continue ;; *.la) func_resolve_sysroot "$deplib" lib=$func_resolve_sysroot_result ;; *.$libext) if test "$pass" = conv; then deplibs="$deplib $deplibs" continue fi case $linkmode in lib) # Linking convenience modules into shared libraries is allowed, # but linking other static libraries is non-portable. case " $dlpreconveniencelibs " in *" $deplib "*) ;; *) valid_a_lib=no case $deplibs_check_method in match_pattern*) set dummy $deplibs_check_method; shift match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` if eval "\$ECHO \"$deplib\"" 2>/dev/null | $SED 10q \ | $EGREP "$match_pattern_regex" > /dev/null; then valid_a_lib=yes fi ;; pass_all) valid_a_lib=yes ;; esac if test "$valid_a_lib" != yes; then echo $ECHO "*** Warning: Trying to link with static lib archive $deplib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have" echo "*** because the file extensions .$libext of this argument makes me believe" echo "*** that it is just a static archive that I should not use here." else echo $ECHO "*** Warning: Linking the shared library $output against the" $ECHO "*** static library $deplib is not portable!" deplibs="$deplib $deplibs" fi ;; esac continue ;; prog) if test "$pass" != link; then deplibs="$deplib $deplibs" else compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" fi continue ;; esac # linkmode ;; # *.$libext *.lo | *.$objext) if test "$pass" = conv; then deplibs="$deplib $deplibs" elif test "$linkmode" = prog; then if test "$pass" = dlpreopen || test "$dlopen_support" != yes || test "$build_libtool_libs" = no; then # If there is no dlopen support or we're linking statically, # we need to preload. func_append newdlprefiles " $deplib" compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else func_append newdlfiles " $deplib" fi fi continue ;; %DEPLIBS%) alldeplibs=yes continue ;; esac # case $deplib if test "$found" = yes || test -f "$lib"; then : else func_fatal_error "cannot find the library \`$lib' or unhandled argument \`$deplib'" fi # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$lib" \ || func_fatal_error "\`$lib' is not a valid libtool archive" func_dirname "$lib" "" "." ladir="$func_dirname_result" dlname= dlopen= dlpreopen= libdir= library_names= old_library= inherited_linker_flags= # If the library was installed with an old release of libtool, # it will not redefine variables installed, or shouldnotlink installed=yes shouldnotlink=no avoidtemprpath= # Read the .la file func_source "$lib" # Convert "-framework foo" to "foo.ltframework" if test -n "$inherited_linker_flags"; then tmp_inherited_linker_flags=`$ECHO "$inherited_linker_flags" | $SED 's/-framework \([^ $]*\)/\1.ltframework/g'` for tmp_inherited_linker_flag in $tmp_inherited_linker_flags; do case " $new_inherited_linker_flags " in *" $tmp_inherited_linker_flag "*) ;; *) func_append new_inherited_linker_flags " $tmp_inherited_linker_flag";; esac done fi dependency_libs=`$ECHO " $dependency_libs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` if test "$linkmode,$pass" = "lib,link" || test "$linkmode,$pass" = "prog,scan" || { test "$linkmode" != prog && test "$linkmode" != lib; }; then test -n "$dlopen" && func_append dlfiles " $dlopen" test -n "$dlpreopen" && func_append dlprefiles " $dlpreopen" fi if test "$pass" = conv; then # Only check for convenience libraries deplibs="$lib $deplibs" if test -z "$libdir"; then if test -z "$old_library"; then func_fatal_error "cannot find name of link library for \`$lib'" fi # It is a libtool convenience library, so add in its objects. func_append convenience " $ladir/$objdir/$old_library" func_append old_convenience " $ladir/$objdir/$old_library" tmp_libs= for deplib in $dependency_libs; do deplibs="$deplib $deplibs" if $opt_preserve_dup_deps ; then case "$tmp_libs " in *" $deplib "*) func_append specialdeplibs " $deplib" ;; esac fi func_append tmp_libs " $deplib" done elif test "$linkmode" != prog && test "$linkmode" != lib; then func_fatal_error "\`$lib' is not a convenience library" fi continue fi # $pass = conv # Get the name of the library we link against. linklib= if test -n "$old_library" && { test "$prefer_static_libs" = yes || test "$prefer_static_libs,$installed" = "built,no"; }; then linklib=$old_library else for l in $old_library $library_names; do linklib="$l" done fi if test -z "$linklib"; then func_fatal_error "cannot find name of link library for \`$lib'" fi # This library was specified with -dlopen. if test "$pass" = dlopen; then if test -z "$libdir"; then func_fatal_error "cannot -dlopen a convenience library: \`$lib'" fi if test -z "$dlname" || test "$dlopen_support" != yes || test "$build_libtool_libs" = no; then # If there is no dlname, no dlopen support or we're linking # statically, we need to preload. We also need to preload any # dependent libraries so libltdl's deplib preloader doesn't # bomb out in the load deplibs phase. func_append dlprefiles " $lib $dependency_libs" else func_append newdlfiles " $lib" fi continue fi # $pass = dlopen # We need an absolute path. case $ladir in [\\/]* | [A-Za-z]:[\\/]*) abs_ladir="$ladir" ;; *) abs_ladir=`cd "$ladir" && pwd` if test -z "$abs_ladir"; then func_warning "cannot determine absolute directory name of \`$ladir'" func_warning "passing it literally to the linker, although it might fail" abs_ladir="$ladir" fi ;; esac func_basename "$lib" laname="$func_basename_result" # Find the relevant object directory and library name. if test "X$installed" = Xyes; then if test ! -f "$lt_sysroot$libdir/$linklib" && test -f "$abs_ladir/$linklib"; then func_warning "library \`$lib' was moved." dir="$ladir" absdir="$abs_ladir" libdir="$abs_ladir" else dir="$lt_sysroot$libdir" absdir="$lt_sysroot$libdir" fi test "X$hardcode_automatic" = Xyes && avoidtemprpath=yes else if test ! -f "$ladir/$objdir/$linklib" && test -f "$abs_ladir/$linklib"; then dir="$ladir" absdir="$abs_ladir" # Remove this search path later func_append notinst_path " $abs_ladir" else dir="$ladir/$objdir" absdir="$abs_ladir/$objdir" # Remove this search path later func_append notinst_path " $abs_ladir" fi fi # $installed = yes func_stripname 'lib' '.la' "$laname" name=$func_stripname_result # This library was specified with -dlpreopen. if test "$pass" = dlpreopen; then if test -z "$libdir" && test "$linkmode" = prog; then func_fatal_error "only libraries may -dlpreopen a convenience library: \`$lib'" fi case "$host" in # special handling for platforms with PE-DLLs. *cygwin* | *mingw* | *cegcc* ) # Linker will automatically link against shared library if both # static and shared are present. Therefore, ensure we extract # symbols from the import library if a shared library is present # (otherwise, the dlopen module name will be incorrect). We do # this by putting the import library name into $newdlprefiles. # We recover the dlopen module name by 'saving' the la file # name in a special purpose variable, and (later) extracting the # dlname from the la file. if test -n "$dlname"; then func_tr_sh "$dir/$linklib" eval "libfile_$func_tr_sh_result=\$abs_ladir/\$laname" func_append newdlprefiles " $dir/$linklib" else func_append newdlprefiles " $dir/$old_library" # Keep a list of preopened convenience libraries to check # that they are being used correctly in the link pass. test -z "$libdir" && \ func_append dlpreconveniencelibs " $dir/$old_library" fi ;; * ) # Prefer using a static library (so that no silly _DYNAMIC symbols # are required to link). if test -n "$old_library"; then func_append newdlprefiles " $dir/$old_library" # Keep a list of preopened convenience libraries to check # that they are being used correctly in the link pass. test -z "$libdir" && \ func_append dlpreconveniencelibs " $dir/$old_library" # Otherwise, use the dlname, so that lt_dlopen finds it. elif test -n "$dlname"; then func_append newdlprefiles " $dir/$dlname" else func_append newdlprefiles " $dir/$linklib" fi ;; esac fi # $pass = dlpreopen if test -z "$libdir"; then # Link the convenience library if test "$linkmode" = lib; then deplibs="$dir/$old_library $deplibs" elif test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$dir/$old_library $compile_deplibs" finalize_deplibs="$dir/$old_library $finalize_deplibs" else deplibs="$lib $deplibs" # used for prog,scan pass fi continue fi if test "$linkmode" = prog && test "$pass" != link; then func_append newlib_search_path " $ladir" deplibs="$lib $deplibs" linkalldeplibs=no if test "$link_all_deplibs" != no || test -z "$library_names" || test "$build_libtool_libs" = no; then linkalldeplibs=yes fi tmp_libs= for deplib in $dependency_libs; do case $deplib in -L*) func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result" func_append newlib_search_path " $func_resolve_sysroot_result" ;; esac # Need to link against all dependency_libs? if test "$linkalldeplibs" = yes; then deplibs="$deplib $deplibs" else # Need to hardcode shared library paths # or/and link against static libraries newdependency_libs="$deplib $newdependency_libs" fi if $opt_preserve_dup_deps ; then case "$tmp_libs " in *" $deplib "*) func_append specialdeplibs " $deplib" ;; esac fi func_append tmp_libs " $deplib" done # for deplib continue fi # $linkmode = prog... if test "$linkmode,$pass" = "prog,link"; then if test -n "$library_names" && { { test "$prefer_static_libs" = no || test "$prefer_static_libs,$installed" = "built,yes"; } || test -z "$old_library"; }; then # We need to hardcode the library path if test -n "$shlibpath_var" && test -z "$avoidtemprpath" ; then # Make sure the rpath contains only unique directories. case "$temp_rpath:" in *"$absdir:"*) ;; *) func_append temp_rpath "$absdir:" ;; esac fi # Hardcode the library path. # Skip directories that are in the system default run-time # search path. case " $sys_lib_dlsearch_path " in *" $absdir "*) ;; *) case "$compile_rpath " in *" $absdir "*) ;; *) func_append compile_rpath " $absdir" ;; esac ;; esac case " $sys_lib_dlsearch_path " in *" $libdir "*) ;; *) case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac ;; esac fi # $linkmode,$pass = prog,link... if test "$alldeplibs" = yes && { test "$deplibs_check_method" = pass_all || { test "$build_libtool_libs" = yes && test -n "$library_names"; }; }; then # We only need to search for static libraries continue fi fi link_static=no # Whether the deplib will be linked statically use_static_libs=$prefer_static_libs if test "$use_static_libs" = built && test "$installed" = yes; then use_static_libs=no fi if test -n "$library_names" && { test "$use_static_libs" = no || test -z "$old_library"; }; then case $host in *cygwin* | *mingw* | *cegcc*) # No point in relinking DLLs because paths are not encoded func_append notinst_deplibs " $lib" need_relink=no ;; *) if test "$installed" = no; then func_append notinst_deplibs " $lib" need_relink=yes fi ;; esac # This is a shared library # Warn about portability, can't link against -module's on some # systems (darwin). Don't bleat about dlopened modules though! dlopenmodule="" for dlpremoduletest in $dlprefiles; do if test "X$dlpremoduletest" = "X$lib"; then dlopenmodule="$dlpremoduletest" break fi done if test -z "$dlopenmodule" && test "$shouldnotlink" = yes && test "$pass" = link; then echo if test "$linkmode" = prog; then $ECHO "*** Warning: Linking the executable $output against the loadable module" else $ECHO "*** Warning: Linking the shared library $output against the loadable module" fi $ECHO "*** $linklib is not portable!" fi if test "$linkmode" = lib && test "$hardcode_into_libs" = yes; then # Hardcode the library path. # Skip directories that are in the system default run-time # search path. case " $sys_lib_dlsearch_path " in *" $absdir "*) ;; *) case "$compile_rpath " in *" $absdir "*) ;; *) func_append compile_rpath " $absdir" ;; esac ;; esac case " $sys_lib_dlsearch_path " in *" $libdir "*) ;; *) case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac ;; esac fi if test -n "$old_archive_from_expsyms_cmds"; then # figure out the soname set dummy $library_names shift realname="$1" shift libname=`eval "\\$ECHO \"$libname_spec\""` # use dlname if we got it. it's perfectly good, no? if test -n "$dlname"; then soname="$dlname" elif test -n "$soname_spec"; then # bleh windows case $host in *cygwin* | mingw* | *cegcc*) func_arith $current - $age major=$func_arith_result versuffix="-$major" ;; esac eval soname=\"$soname_spec\" else soname="$realname" fi # Make a new name for the extract_expsyms_cmds to use soroot="$soname" func_basename "$soroot" soname="$func_basename_result" func_stripname 'lib' '.dll' "$soname" newlib=libimp-$func_stripname_result.a # If the library has no export list, then create one now if test -f "$output_objdir/$soname-def"; then : else func_verbose "extracting exported symbol list from \`$soname'" func_execute_cmds "$extract_expsyms_cmds" 'exit $?' fi # Create $newlib if test -f "$output_objdir/$newlib"; then :; else func_verbose "generating import library for \`$soname'" func_execute_cmds "$old_archive_from_expsyms_cmds" 'exit $?' fi # make sure the library variables are pointing to the new library dir=$output_objdir linklib=$newlib fi # test -n "$old_archive_from_expsyms_cmds" if test "$linkmode" = prog || test "$opt_mode" != relink; then add_shlibpath= add_dir= add= lib_linked=yes case $hardcode_action in immediate | unsupported) if test "$hardcode_direct" = no; then add="$dir/$linklib" case $host in *-*-sco3.2v5.0.[024]*) add_dir="-L$dir" ;; *-*-sysv4*uw2*) add_dir="-L$dir" ;; *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.[01].[10]* | \ *-*-unixware7*) add_dir="-L$dir" ;; *-*-darwin* ) # if the lib is a (non-dlopened) module then we can not # link against it, someone is ignoring the earlier warnings if /usr/bin/file -L $add 2> /dev/null | $GREP ": [^:]* bundle" >/dev/null ; then if test "X$dlopenmodule" != "X$lib"; then $ECHO "*** Warning: lib $linklib is a module, not a shared library" if test -z "$old_library" ; then echo echo "*** And there doesn't seem to be a static archive available" echo "*** The link will probably fail, sorry" else add="$dir/$old_library" fi elif test -n "$old_library"; then add="$dir/$old_library" fi fi esac elif test "$hardcode_minus_L" = no; then case $host in *-*-sunos*) add_shlibpath="$dir" ;; esac add_dir="-L$dir" add="-l$name" elif test "$hardcode_shlibpath_var" = no; then add_shlibpath="$dir" add="-l$name" else lib_linked=no fi ;; relink) if test "$hardcode_direct" = yes && test "$hardcode_direct_absolute" = no; then add="$dir/$linklib" elif test "$hardcode_minus_L" = yes; then add_dir="-L$absdir" # Try looking first in the location we're being installed to. if test -n "$inst_prefix_dir"; then case $libdir in [\\/]*) func_append add_dir " -L$inst_prefix_dir$libdir" ;; esac fi add="-l$name" elif test "$hardcode_shlibpath_var" = yes; then add_shlibpath="$dir" add="-l$name" else lib_linked=no fi ;; *) lib_linked=no ;; esac if test "$lib_linked" != yes; then func_fatal_configuration "unsupported hardcode properties" fi if test -n "$add_shlibpath"; then case :$compile_shlibpath: in *":$add_shlibpath:"*) ;; *) func_append compile_shlibpath "$add_shlibpath:" ;; esac fi if test "$linkmode" = prog; then test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs" test -n "$add" && compile_deplibs="$add $compile_deplibs" else test -n "$add_dir" && deplibs="$add_dir $deplibs" test -n "$add" && deplibs="$add $deplibs" if test "$hardcode_direct" != yes && test "$hardcode_minus_L" != yes && test "$hardcode_shlibpath_var" = yes; then case :$finalize_shlibpath: in *":$libdir:"*) ;; *) func_append finalize_shlibpath "$libdir:" ;; esac fi fi fi if test "$linkmode" = prog || test "$opt_mode" = relink; then add_shlibpath= add_dir= add= # Finalize command for both is simple: just hardcode it. if test "$hardcode_direct" = yes && test "$hardcode_direct_absolute" = no; then add="$libdir/$linklib" elif test "$hardcode_minus_L" = yes; then add_dir="-L$libdir" add="-l$name" elif test "$hardcode_shlibpath_var" = yes; then case :$finalize_shlibpath: in *":$libdir:"*) ;; *) func_append finalize_shlibpath "$libdir:" ;; esac add="-l$name" elif test "$hardcode_automatic" = yes; then if test -n "$inst_prefix_dir" && test -f "$inst_prefix_dir$libdir/$linklib" ; then add="$inst_prefix_dir$libdir/$linklib" else add="$libdir/$linklib" fi else # We cannot seem to hardcode it, guess we'll fake it. add_dir="-L$libdir" # Try looking first in the location we're being installed to. if test -n "$inst_prefix_dir"; then case $libdir in [\\/]*) func_append add_dir " -L$inst_prefix_dir$libdir" ;; esac fi add="-l$name" fi if test "$linkmode" = prog; then test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs" test -n "$add" && finalize_deplibs="$add $finalize_deplibs" else test -n "$add_dir" && deplibs="$add_dir $deplibs" test -n "$add" && deplibs="$add $deplibs" fi fi elif test "$linkmode" = prog; then # Here we assume that one of hardcode_direct or hardcode_minus_L # is not unsupported. This is valid on all known static and # shared platforms. if test "$hardcode_direct" != unsupported; then test -n "$old_library" && linklib="$old_library" compile_deplibs="$dir/$linklib $compile_deplibs" finalize_deplibs="$dir/$linklib $finalize_deplibs" else compile_deplibs="-l$name -L$dir $compile_deplibs" finalize_deplibs="-l$name -L$dir $finalize_deplibs" fi elif test "$build_libtool_libs" = yes; then # Not a shared library if test "$deplibs_check_method" != pass_all; then # We're trying link a shared library against a static one # but the system doesn't support it. # Just print a warning and add the library to dependency_libs so # that the program can be linked against the static library. echo $ECHO "*** Warning: This system can not link to static lib archive $lib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have." if test "$module" = yes; then echo "*** But as you try to build a module library, libtool will still create " echo "*** a static module, that should work as long as the dlopening application" echo "*** is linked with the -dlopen flag to resolve symbols at runtime." if test -z "$global_symbol_pipe"; then echo echo "*** However, this would only work if libtool was able to extract symbol" echo "*** lists from a program, using \`nm' or equivalent, but libtool could" echo "*** not find such a program. So, this module is probably useless." echo "*** \`nm' from GNU binutils and a full rebuild may help." fi if test "$build_old_libs" = no; then build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi fi else deplibs="$dir/$old_library $deplibs" link_static=yes fi fi # link shared/static library? if test "$linkmode" = lib; then if test -n "$dependency_libs" && { test "$hardcode_into_libs" != yes || test "$build_old_libs" = yes || test "$link_static" = yes; }; then # Extract -R from dependency_libs temp_deplibs= for libdir in $dependency_libs; do case $libdir in -R*) func_stripname '-R' '' "$libdir" temp_xrpath=$func_stripname_result case " $xrpath " in *" $temp_xrpath "*) ;; *) func_append xrpath " $temp_xrpath";; esac;; *) func_append temp_deplibs " $libdir";; esac done dependency_libs="$temp_deplibs" fi func_append newlib_search_path " $absdir" # Link against this library test "$link_static" = no && newdependency_libs="$abs_ladir/$laname $newdependency_libs" # ... and its dependency_libs tmp_libs= for deplib in $dependency_libs; do newdependency_libs="$deplib $newdependency_libs" case $deplib in -L*) func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result";; *) func_resolve_sysroot "$deplib" ;; esac if $opt_preserve_dup_deps ; then case "$tmp_libs " in *" $func_resolve_sysroot_result "*) func_append specialdeplibs " $func_resolve_sysroot_result" ;; esac fi func_append tmp_libs " $func_resolve_sysroot_result" done if test "$link_all_deplibs" != no; then # Add the search paths of all dependency libraries for deplib in $dependency_libs; do path= case $deplib in -L*) path="$deplib" ;; *.la) func_resolve_sysroot "$deplib" deplib=$func_resolve_sysroot_result func_dirname "$deplib" "" "." dir=$func_dirname_result # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) absdir="$dir" ;; *) absdir=`cd "$dir" && pwd` if test -z "$absdir"; then func_warning "cannot determine absolute directory name of \`$dir'" absdir="$dir" fi ;; esac if $GREP "^installed=no" $deplib > /dev/null; then case $host in *-*-darwin*) depdepl= eval deplibrary_names=`${SED} -n -e 's/^library_names=\(.*\)$/\1/p' $deplib` if test -n "$deplibrary_names" ; then for tmp in $deplibrary_names ; do depdepl=$tmp done if test -f "$absdir/$objdir/$depdepl" ; then depdepl="$absdir/$objdir/$depdepl" darwin_install_name=`${OTOOL} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` if test -z "$darwin_install_name"; then darwin_install_name=`${OTOOL64} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` fi func_append compiler_flags " ${wl}-dylib_file ${wl}${darwin_install_name}:${depdepl}" func_append linker_flags " -dylib_file ${darwin_install_name}:${depdepl}" path= fi fi ;; *) path="-L$absdir/$objdir" ;; esac else eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $deplib` test -z "$libdir" && \ func_fatal_error "\`$deplib' is not a valid libtool archive" test "$absdir" != "$libdir" && \ func_warning "\`$deplib' seems to be moved" path="-L$absdir" fi ;; esac case " $deplibs " in *" $path "*) ;; *) deplibs="$path $deplibs" ;; esac done fi # link_all_deplibs != no fi # linkmode = lib done # for deplib in $libs if test "$pass" = link; then if test "$linkmode" = "prog"; then compile_deplibs="$new_inherited_linker_flags $compile_deplibs" finalize_deplibs="$new_inherited_linker_flags $finalize_deplibs" else compiler_flags="$compiler_flags "`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` fi fi dependency_libs="$newdependency_libs" if test "$pass" = dlpreopen; then # Link the dlpreopened libraries before other libraries for deplib in $save_deplibs; do deplibs="$deplib $deplibs" done fi if test "$pass" != dlopen; then if test "$pass" != conv; then # Make sure lib_search_path contains only unique directories. lib_search_path= for dir in $newlib_search_path; do case "$lib_search_path " in *" $dir "*) ;; *) func_append lib_search_path " $dir" ;; esac done newlib_search_path= fi if test "$linkmode,$pass" != "prog,link"; then vars="deplibs" else vars="compile_deplibs finalize_deplibs" fi for var in $vars dependency_libs; do # Add libraries to $var in reverse order eval tmp_libs=\"\$$var\" new_libs= for deplib in $tmp_libs; do # FIXME: Pedantically, this is the right thing to do, so # that some nasty dependency loop isn't accidentally # broken: #new_libs="$deplib $new_libs" # Pragmatically, this seems to cause very few problems in # practice: case $deplib in -L*) new_libs="$deplib $new_libs" ;; -R*) ;; *) # And here is the reason: when a library appears more # than once as an explicit dependence of a library, or # is implicitly linked in more than once by the # compiler, it is considered special, and multiple # occurrences thereof are not removed. Compare this # with having the same library being listed as a # dependency of multiple other libraries: in this case, # we know (pedantically, we assume) the library does not # need to be listed more than once, so we keep only the # last copy. This is not always right, but it is rare # enough that we require users that really mean to play # such unportable linking tricks to link the library # using -Wl,-lname, so that libtool does not consider it # for duplicate removal. case " $specialdeplibs " in *" $deplib "*) new_libs="$deplib $new_libs" ;; *) case " $new_libs " in *" $deplib "*) ;; *) new_libs="$deplib $new_libs" ;; esac ;; esac ;; esac done tmp_libs= for deplib in $new_libs; do case $deplib in -L*) case " $tmp_libs " in *" $deplib "*) ;; *) func_append tmp_libs " $deplib" ;; esac ;; *) func_append tmp_libs " $deplib" ;; esac done eval $var=\"$tmp_libs\" done # for var fi # Last step: remove runtime libs from dependency_libs # (they stay in deplibs) tmp_libs= for i in $dependency_libs ; do case " $predeps $postdeps $compiler_lib_search_path " in *" $i "*) i="" ;; esac if test -n "$i" ; then func_append tmp_libs " $i" fi done dependency_libs=$tmp_libs done # for pass if test "$linkmode" = prog; then dlfiles="$newdlfiles" fi if test "$linkmode" = prog || test "$linkmode" = lib; then dlprefiles="$newdlprefiles" fi case $linkmode in oldlib) if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then func_warning "\`-dlopen' is ignored for archives" fi case " $deplibs" in *\ -l* | *\ -L*) func_warning "\`-l' and \`-L' are ignored for archives" ;; esac test -n "$rpath" && \ func_warning "\`-rpath' is ignored for archives" test -n "$xrpath" && \ func_warning "\`-R' is ignored for archives" test -n "$vinfo" && \ func_warning "\`-version-info/-version-number' is ignored for archives" test -n "$release" && \ func_warning "\`-release' is ignored for archives" test -n "$export_symbols$export_symbols_regex" && \ func_warning "\`-export-symbols' is ignored for archives" # Now set the variables for building old libraries. build_libtool_libs=no oldlibs="$output" func_append objs "$old_deplibs" ;; lib) # Make sure we only generate libraries of the form `libNAME.la'. case $outputname in lib*) func_stripname 'lib' '.la' "$outputname" name=$func_stripname_result eval shared_ext=\"$shrext_cmds\" eval libname=\"$libname_spec\" ;; *) test "$module" = no && \ func_fatal_help "libtool library \`$output' must begin with \`lib'" if test "$need_lib_prefix" != no; then # Add the "lib" prefix for modules if required func_stripname '' '.la' "$outputname" name=$func_stripname_result eval shared_ext=\"$shrext_cmds\" eval libname=\"$libname_spec\" else func_stripname '' '.la' "$outputname" libname=$func_stripname_result fi ;; esac if test -n "$objs"; then if test "$deplibs_check_method" != pass_all; then func_fatal_error "cannot build libtool library \`$output' from non-libtool objects on this host:$objs" else echo $ECHO "*** Warning: Linking the shared library $output against the non-libtool" $ECHO "*** objects $objs is not portable!" func_append libobjs " $objs" fi fi test "$dlself" != no && \ func_warning "\`-dlopen self' is ignored for libtool libraries" set dummy $rpath shift test "$#" -gt 1 && \ func_warning "ignoring multiple \`-rpath's for a libtool library" install_libdir="$1" oldlibs= if test -z "$rpath"; then if test "$build_libtool_libs" = yes; then # Building a libtool convenience library. # Some compilers have problems with a `.al' extension so # convenience libraries should have the same extension an # archive normally would. oldlibs="$output_objdir/$libname.$libext $oldlibs" build_libtool_libs=convenience build_old_libs=yes fi test -n "$vinfo" && \ func_warning "\`-version-info/-version-number' is ignored for convenience libraries" test -n "$release" && \ func_warning "\`-release' is ignored for convenience libraries" else # Parse the version information argument. save_ifs="$IFS"; IFS=':' set dummy $vinfo 0 0 0 shift IFS="$save_ifs" test -n "$7" && \ func_fatal_help "too many parameters to \`-version-info'" # convert absolute version numbers to libtool ages # this retains compatibility with .la files and attempts # to make the code below a bit more comprehensible case $vinfo_number in yes) number_major="$1" number_minor="$2" number_revision="$3" # # There are really only two kinds -- those that # use the current revision as the major version # and those that subtract age and use age as # a minor version. But, then there is irix # which has an extra 1 added just for fun # case $version_type in # correct linux to gnu/linux during the next big refactor darwin|linux|osf|windows|none) func_arith $number_major + $number_minor current=$func_arith_result age="$number_minor" revision="$number_revision" ;; freebsd-aout|freebsd-elf|qnx|sunos) current="$number_major" revision="$number_minor" age="0" ;; irix|nonstopux) func_arith $number_major + $number_minor current=$func_arith_result age="$number_minor" revision="$number_minor" lt_irix_increment=no ;; *) func_fatal_configuration "$modename: unknown library version type \`$version_type'" ;; esac ;; no) current="$1" revision="$2" age="$3" ;; esac # Check that each of the things are valid numbers. case $current in 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; *) func_error "CURRENT \`$current' must be a nonnegative integer" func_fatal_error "\`$vinfo' is not valid version information" ;; esac case $revision in 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; *) func_error "REVISION \`$revision' must be a nonnegative integer" func_fatal_error "\`$vinfo' is not valid version information" ;; esac case $age in 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; *) func_error "AGE \`$age' must be a nonnegative integer" func_fatal_error "\`$vinfo' is not valid version information" ;; esac if test "$age" -gt "$current"; then func_error "AGE \`$age' is greater than the current interface number \`$current'" func_fatal_error "\`$vinfo' is not valid version information" fi # Calculate the version variables. major= versuffix= verstring= case $version_type in none) ;; darwin) # Like Linux, but with the current version available in # verstring for coding it into the library header func_arith $current - $age major=.$func_arith_result versuffix="$major.$age.$revision" # Darwin ld doesn't like 0 for these options... func_arith $current + 1 minor_current=$func_arith_result xlcverstring="${wl}-compatibility_version ${wl}$minor_current ${wl}-current_version ${wl}$minor_current.$revision" verstring="-compatibility_version $minor_current -current_version $minor_current.$revision" ;; freebsd-aout) major=".$current" versuffix=".$current.$revision"; ;; freebsd-elf) major=".$current" versuffix=".$current" ;; irix | nonstopux) if test "X$lt_irix_increment" = "Xno"; then func_arith $current - $age else func_arith $current - $age + 1 fi major=$func_arith_result case $version_type in nonstopux) verstring_prefix=nonstopux ;; *) verstring_prefix=sgi ;; esac verstring="$verstring_prefix$major.$revision" # Add in all the interfaces that we are compatible with. loop=$revision while test "$loop" -ne 0; do func_arith $revision - $loop iface=$func_arith_result func_arith $loop - 1 loop=$func_arith_result verstring="$verstring_prefix$major.$iface:$verstring" done # Before this point, $major must not contain `.'. major=.$major versuffix="$major.$revision" ;; linux) # correct to gnu/linux during the next big refactor func_arith $current - $age major=.$func_arith_result versuffix="$major.$age.$revision" ;; osf) func_arith $current - $age major=.$func_arith_result versuffix=".$current.$age.$revision" verstring="$current.$age.$revision" # Add in all the interfaces that we are compatible with. loop=$age while test "$loop" -ne 0; do func_arith $current - $loop iface=$func_arith_result func_arith $loop - 1 loop=$func_arith_result verstring="$verstring:${iface}.0" done # Make executables depend on our current version. func_append verstring ":${current}.0" ;; qnx) major=".$current" versuffix=".$current" ;; sunos) major=".$current" versuffix=".$current.$revision" ;; windows) # Use '-' rather than '.', since we only want one # extension on DOS 8.3 filesystems. func_arith $current - $age major=$func_arith_result versuffix="-$major" ;; *) func_fatal_configuration "unknown library version type \`$version_type'" ;; esac # Clear the version info if we defaulted, and they specified a release. if test -z "$vinfo" && test -n "$release"; then major= case $version_type in darwin) # we can't check for "0.0" in archive_cmds due to quoting # problems, so we reset it completely verstring= ;; *) verstring="0.0" ;; esac if test "$need_version" = no; then versuffix= else versuffix=".0.0" fi fi # Remove version info from name if versioning should be avoided if test "$avoid_version" = yes && test "$need_version" = no; then major= versuffix= verstring="" fi # Check to see if the archive will have undefined symbols. if test "$allow_undefined" = yes; then if test "$allow_undefined_flag" = unsupported; then func_warning "undefined symbols not allowed in $host shared libraries" build_libtool_libs=no build_old_libs=yes fi else # Don't allow undefined symbols. allow_undefined_flag="$no_undefined_flag" fi fi func_generate_dlsyms "$libname" "$libname" "yes" func_append libobjs " $symfileobj" test "X$libobjs" = "X " && libobjs= if test "$opt_mode" != relink; then # Remove our outputs, but don't remove object files since they # may have been created when compiling PIC objects. removelist= tempremovelist=`$ECHO "$output_objdir/*"` for p in $tempremovelist; do case $p in *.$objext | *.gcno) ;; $output_objdir/$outputname | $output_objdir/$libname.* | $output_objdir/${libname}${release}.*) if test "X$precious_files_regex" != "X"; then if $ECHO "$p" | $EGREP -e "$precious_files_regex" >/dev/null 2>&1 then continue fi fi func_append removelist " $p" ;; *) ;; esac done test -n "$removelist" && \ func_show_eval "${RM}r \$removelist" fi # Now set the variables for building old libraries. if test "$build_old_libs" = yes && test "$build_libtool_libs" != convenience ; then func_append oldlibs " $output_objdir/$libname.$libext" # Transform .lo files to .o files. oldobjs="$objs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.${libext}$/d; $lo2o" | $NL2SP` fi # Eliminate all temporary directories. #for path in $notinst_path; do # lib_search_path=`$ECHO "$lib_search_path " | $SED "s% $path % %g"` # deplibs=`$ECHO "$deplibs " | $SED "s% -L$path % %g"` # dependency_libs=`$ECHO "$dependency_libs " | $SED "s% -L$path % %g"` #done if test -n "$xrpath"; then # If the user specified any rpath flags, then add them. temp_xrpath= for libdir in $xrpath; do func_replace_sysroot "$libdir" func_append temp_xrpath " -R$func_replace_sysroot_result" case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac done if test "$hardcode_into_libs" != yes || test "$build_old_libs" = yes; then dependency_libs="$temp_xrpath $dependency_libs" fi fi # Make sure dlfiles contains only unique files that won't be dlpreopened old_dlfiles="$dlfiles" dlfiles= for lib in $old_dlfiles; do case " $dlprefiles $dlfiles " in *" $lib "*) ;; *) func_append dlfiles " $lib" ;; esac done # Make sure dlprefiles contains only unique files old_dlprefiles="$dlprefiles" dlprefiles= for lib in $old_dlprefiles; do case "$dlprefiles " in *" $lib "*) ;; *) func_append dlprefiles " $lib" ;; esac done if test "$build_libtool_libs" = yes; then if test -n "$rpath"; then case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-beos* | *-cegcc* | *-*-haiku*) # these systems don't actually have a c library (as such)! ;; *-*-rhapsody* | *-*-darwin1.[012]) # Rhapsody C library is in the System framework func_append deplibs " System.ltframework" ;; *-*-netbsd*) # Don't link with libc until the a.out ld.so is fixed. ;; *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) # Do not include libc due to us having libc/libc_r. ;; *-*-sco3.2v5* | *-*-sco5v6*) # Causes problems with __ctype ;; *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) # Compiler inserts libc in the correct place for threads to work ;; *) # Add libc to deplibs on all other systems if necessary. if test "$build_libtool_need_lc" = "yes"; then func_append deplibs " -lc" fi ;; esac fi # Transform deplibs into only deplibs that can be linked in shared. name_save=$name libname_save=$libname release_save=$release versuffix_save=$versuffix major_save=$major # I'm not sure if I'm treating the release correctly. I think # release should show up in the -l (ie -lgmp5) so we don't want to # add it in twice. Is that correct? release="" versuffix="" major="" newdeplibs= droppeddeps=no case $deplibs_check_method in pass_all) # Don't check for shared/static. Everything works. # This might be a little naive. We might want to check # whether the library exists or not. But this is on # osf3 & osf4 and I'm not really sure... Just # implementing what was already the behavior. newdeplibs=$deplibs ;; test_compile) # This code stresses the "libraries are programs" paradigm to its # limits. Maybe even breaks it. We compile a program, linking it # against the deplibs as a proxy for the library. Then we can check # whether they linked in statically or dynamically with ldd. $opt_dry_run || $RM conftest.c cat > conftest.c </dev/null` $nocaseglob else potential_libs=`ls $i/$libnameglob[.-]* 2>/dev/null` fi for potent_lib in $potential_libs; do # Follow soft links. if ls -lLd "$potent_lib" 2>/dev/null | $GREP " -> " >/dev/null; then continue fi # The statement above tries to avoid entering an # endless loop below, in case of cyclic links. # We might still enter an endless loop, since a link # loop can be closed while we follow links, # but so what? potlib="$potent_lib" while test -h "$potlib" 2>/dev/null; do potliblink=`ls -ld $potlib | ${SED} 's/.* -> //'` case $potliblink in [\\/]* | [A-Za-z]:[\\/]*) potlib="$potliblink";; *) potlib=`$ECHO "$potlib" | $SED 's,[^/]*$,,'`"$potliblink";; esac done if eval $file_magic_cmd \"\$potlib\" 2>/dev/null | $SED -e 10q | $EGREP "$file_magic_regex" > /dev/null; then func_append newdeplibs " $a_deplib" a_deplib="" break 2 fi done done fi if test -n "$a_deplib" ; then droppeddeps=yes echo $ECHO "*** Warning: linker path does not have real file for library $a_deplib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have" echo "*** because I did check the linker path looking for a file starting" if test -z "$potlib" ; then $ECHO "*** with $libname but no candidates were found. (...for file magic test)" else $ECHO "*** with $libname and none of the candidates passed a file format test" $ECHO "*** using a file magic. Last file checked: $potlib" fi fi ;; *) # Add a -L argument. func_append newdeplibs " $a_deplib" ;; esac done # Gone through all deplibs. ;; match_pattern*) set dummy $deplibs_check_method; shift match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` for a_deplib in $deplibs; do case $a_deplib in -l*) func_stripname -l '' "$a_deplib" name=$func_stripname_result if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then case " $predeps $postdeps " in *" $a_deplib "*) func_append newdeplibs " $a_deplib" a_deplib="" ;; esac fi if test -n "$a_deplib" ; then libname=`eval "\\$ECHO \"$libname_spec\""` for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do potential_libs=`ls $i/$libname[.-]* 2>/dev/null` for potent_lib in $potential_libs; do potlib="$potent_lib" # see symlink-check above in file_magic test if eval "\$ECHO \"$potent_lib\"" 2>/dev/null | $SED 10q | \ $EGREP "$match_pattern_regex" > /dev/null; then func_append newdeplibs " $a_deplib" a_deplib="" break 2 fi done done fi if test -n "$a_deplib" ; then droppeddeps=yes echo $ECHO "*** Warning: linker path does not have real file for library $a_deplib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have" echo "*** because I did check the linker path looking for a file starting" if test -z "$potlib" ; then $ECHO "*** with $libname but no candidates were found. (...for regex pattern test)" else $ECHO "*** with $libname and none of the candidates passed a file format test" $ECHO "*** using a regex pattern. Last file checked: $potlib" fi fi ;; *) # Add a -L argument. func_append newdeplibs " $a_deplib" ;; esac done # Gone through all deplibs. ;; none | unknown | *) newdeplibs="" tmp_deplibs=`$ECHO " $deplibs" | $SED 's/ -lc$//; s/ -[LR][^ ]*//g'` if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then for i in $predeps $postdeps ; do # can't use Xsed below, because $i might contain '/' tmp_deplibs=`$ECHO " $tmp_deplibs" | $SED "s,$i,,"` done fi case $tmp_deplibs in *[!\ \ ]*) echo if test "X$deplibs_check_method" = "Xnone"; then echo "*** Warning: inter-library dependencies are not supported in this platform." else echo "*** Warning: inter-library dependencies are not known to be supported." fi echo "*** All declared inter-library dependencies are being dropped." droppeddeps=yes ;; esac ;; esac versuffix=$versuffix_save major=$major_save release=$release_save libname=$libname_save name=$name_save case $host in *-*-rhapsody* | *-*-darwin1.[012]) # On Rhapsody replace the C library with the System framework newdeplibs=`$ECHO " $newdeplibs" | $SED 's/ -lc / System.ltframework /'` ;; esac if test "$droppeddeps" = yes; then if test "$module" = yes; then echo echo "*** Warning: libtool could not satisfy all declared inter-library" $ECHO "*** dependencies of module $libname. Therefore, libtool will create" echo "*** a static module, that should work as long as the dlopening" echo "*** application is linked with the -dlopen flag." if test -z "$global_symbol_pipe"; then echo echo "*** However, this would only work if libtool was able to extract symbol" echo "*** lists from a program, using \`nm' or equivalent, but libtool could" echo "*** not find such a program. So, this module is probably useless." echo "*** \`nm' from GNU binutils and a full rebuild may help." fi if test "$build_old_libs" = no; then oldlibs="$output_objdir/$libname.$libext" build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi else echo "*** The inter-library dependencies that have been dropped here will be" echo "*** automatically added whenever a program is linked with this library" echo "*** or is declared to -dlopen it." if test "$allow_undefined" = no; then echo echo "*** Since this library must not contain undefined symbols," echo "*** because either the platform does not support them or" echo "*** it was explicitly requested with -no-undefined," echo "*** libtool will only create a static version of it." if test "$build_old_libs" = no; then oldlibs="$output_objdir/$libname.$libext" build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi fi fi fi # Done checking deplibs! deplibs=$newdeplibs fi # Time to change all our "foo.ltframework" stuff back to "-framework foo" case $host in *-*-darwin*) newdeplibs=`$ECHO " $newdeplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` new_inherited_linker_flags=`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` deplibs=`$ECHO " $deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` ;; esac # move library search paths that coincide with paths to not yet # installed libraries to the beginning of the library search list new_libs= for path in $notinst_path; do case " $new_libs " in *" -L$path/$objdir "*) ;; *) case " $deplibs " in *" -L$path/$objdir "*) func_append new_libs " -L$path/$objdir" ;; esac ;; esac done for deplib in $deplibs; do case $deplib in -L*) case " $new_libs " in *" $deplib "*) ;; *) func_append new_libs " $deplib" ;; esac ;; *) func_append new_libs " $deplib" ;; esac done deplibs="$new_libs" # All the library-specific variables (install_libdir is set above). library_names= old_library= dlname= # Test again, we may have decided not to build it any more if test "$build_libtool_libs" = yes; then # Remove ${wl} instances when linking with ld. # FIXME: should test the right _cmds variable. case $archive_cmds in *\$LD\ *) wl= ;; esac if test "$hardcode_into_libs" = yes; then # Hardcode the library paths hardcode_libdirs= dep_rpath= rpath="$finalize_rpath" test "$opt_mode" != relink && rpath="$compile_rpath$rpath" for libdir in $rpath; do if test -n "$hardcode_libdir_flag_spec"; then if test -n "$hardcode_libdir_separator"; then func_replace_sysroot "$libdir" libdir=$func_replace_sysroot_result if test -z "$hardcode_libdirs"; then hardcode_libdirs="$libdir" else # Just accumulate the unique libdirs. case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) ;; *) func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" ;; esac fi else eval flag=\"$hardcode_libdir_flag_spec\" func_append dep_rpath " $flag" fi elif test -n "$runpath_var"; then case "$perm_rpath " in *" $libdir "*) ;; *) func_append perm_rpath " $libdir" ;; esac fi done # Substitute the hardcoded libdirs into the rpath. if test -n "$hardcode_libdir_separator" && test -n "$hardcode_libdirs"; then libdir="$hardcode_libdirs" eval "dep_rpath=\"$hardcode_libdir_flag_spec\"" fi if test -n "$runpath_var" && test -n "$perm_rpath"; then # We should set the runpath_var. rpath= for dir in $perm_rpath; do func_append rpath "$dir:" done eval "$runpath_var='$rpath\$$runpath_var'; export $runpath_var" fi test -n "$dep_rpath" && deplibs="$dep_rpath $deplibs" fi shlibpath="$finalize_shlibpath" test "$opt_mode" != relink && shlibpath="$compile_shlibpath$shlibpath" if test -n "$shlibpath"; then eval "$shlibpath_var='$shlibpath\$$shlibpath_var'; export $shlibpath_var" fi # Get the real and link names of the library. eval shared_ext=\"$shrext_cmds\" eval library_names=\"$library_names_spec\" set dummy $library_names shift realname="$1" shift if test -n "$soname_spec"; then eval soname=\"$soname_spec\" else soname="$realname" fi if test -z "$dlname"; then dlname=$soname fi lib="$output_objdir/$realname" linknames= for link do func_append linknames " $link" done # Use standard objects if they are pic test -z "$pic_flag" && libobjs=`$ECHO "$libobjs" | $SP2NL | $SED "$lo2o" | $NL2SP` test "X$libobjs" = "X " && libobjs= delfiles= if test -n "$export_symbols" && test -n "$include_expsyms"; then $opt_dry_run || cp "$export_symbols" "$output_objdir/$libname.uexp" export_symbols="$output_objdir/$libname.uexp" func_append delfiles " $export_symbols" fi orig_export_symbols= case $host_os in cygwin* | mingw* | cegcc*) if test -n "$export_symbols" && test -z "$export_symbols_regex"; then # exporting using user supplied symfile if test "x`$SED 1q $export_symbols`" != xEXPORTS; then # and it's NOT already a .def file. Must figure out # which of the given symbols are data symbols and tag # them as such. So, trigger use of export_symbols_cmds. # export_symbols gets reassigned inside the "prepare # the list of exported symbols" if statement, so the # include_expsyms logic still works. orig_export_symbols="$export_symbols" export_symbols= always_export_symbols=yes fi fi ;; esac # Prepare the list of exported symbols if test -z "$export_symbols"; then if test "$always_export_symbols" = yes || test -n "$export_symbols_regex"; then func_verbose "generating symbol list for \`$libname.la'" export_symbols="$output_objdir/$libname.exp" $opt_dry_run || $RM $export_symbols cmds=$export_symbols_cmds save_ifs="$IFS"; IFS='~' for cmd1 in $cmds; do IFS="$save_ifs" # Take the normal branch if the nm_file_list_spec branch # doesn't work or if tool conversion is not needed. case $nm_file_list_spec~$to_tool_file_cmd in *~func_convert_file_noop | *~func_convert_file_msys_to_w32 | ~*) try_normal_branch=yes eval cmd=\"$cmd1\" func_len " $cmd" len=$func_len_result ;; *) try_normal_branch=no ;; esac if test "$try_normal_branch" = yes \ && { test "$len" -lt "$max_cmd_len" \ || test "$max_cmd_len" -le -1; } then func_show_eval "$cmd" 'exit $?' skipped_export=false elif test -n "$nm_file_list_spec"; then func_basename "$output" output_la=$func_basename_result save_libobjs=$libobjs save_output=$output output=${output_objdir}/${output_la}.nm func_to_tool_file "$output" libobjs=$nm_file_list_spec$func_to_tool_file_result func_append delfiles " $output" func_verbose "creating $NM input file list: $output" for obj in $save_libobjs; do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" done > "$output" eval cmd=\"$cmd1\" func_show_eval "$cmd" 'exit $?' output=$save_output libobjs=$save_libobjs skipped_export=false else # The command line is too long to execute in one step. func_verbose "using reloadable object file for export list..." skipped_export=: # Break out early, otherwise skipped_export may be # set to false by a later but shorter cmd. break fi done IFS="$save_ifs" if test -n "$export_symbols_regex" && test "X$skipped_export" != "X:"; then func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' func_show_eval '$MV "${export_symbols}T" "$export_symbols"' fi fi fi if test -n "$export_symbols" && test -n "$include_expsyms"; then tmp_export_symbols="$export_symbols" test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols" $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' fi if test "X$skipped_export" != "X:" && test -n "$orig_export_symbols"; then # The given exports_symbols file has to be filtered, so filter it. func_verbose "filter symbol list for \`$libname.la' to tag DATA exports" # FIXME: $output_objdir/$libname.filter potentially contains lots of # 's' commands which not all seds can handle. GNU sed should be fine # though. Also, the filter scales superlinearly with the number of # global variables. join(1) would be nice here, but unfortunately # isn't a blessed tool. $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter func_append delfiles " $export_symbols $output_objdir/$libname.filter" export_symbols=$output_objdir/$libname.def $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols fi tmp_deplibs= for test_deplib in $deplibs; do case " $convenience " in *" $test_deplib "*) ;; *) func_append tmp_deplibs " $test_deplib" ;; esac done deplibs="$tmp_deplibs" if test -n "$convenience"; then if test -n "$whole_archive_flag_spec" && test "$compiler_needs_object" = yes && test -z "$libobjs"; then # extract the archives, so we have objects to list. # TODO: could optimize this to just extract one archive. whole_archive_flag_spec= fi if test -n "$whole_archive_flag_spec"; then save_libobjs=$libobjs eval libobjs=\"\$libobjs $whole_archive_flag_spec\" test "X$libobjs" = "X " && libobjs= else gentop="$output_objdir/${outputname}x" func_append generated " $gentop" func_extract_archives $gentop $convenience func_append libobjs " $func_extract_archives_result" test "X$libobjs" = "X " && libobjs= fi fi if test "$thread_safe" = yes && test -n "$thread_safe_flag_spec"; then eval flag=\"$thread_safe_flag_spec\" func_append linker_flags " $flag" fi # Make a backup of the uninstalled library when relinking if test "$opt_mode" = relink; then $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}U && $MV $realname ${realname}U)' || exit $? fi # Do each of the archive commands. if test "$module" = yes && test -n "$module_cmds" ; then if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then eval test_cmds=\"$module_expsym_cmds\" cmds=$module_expsym_cmds else eval test_cmds=\"$module_cmds\" cmds=$module_cmds fi else if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then eval test_cmds=\"$archive_expsym_cmds\" cmds=$archive_expsym_cmds else eval test_cmds=\"$archive_cmds\" cmds=$archive_cmds fi fi if test "X$skipped_export" != "X:" && func_len " $test_cmds" && len=$func_len_result && test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then : else # The command line is too long to link in one step, link piecewise # or, if using GNU ld and skipped_export is not :, use a linker # script. # Save the value of $output and $libobjs because we want to # use them later. If we have whole_archive_flag_spec, we # want to use save_libobjs as it was before # whole_archive_flag_spec was expanded, because we can't # assume the linker understands whole_archive_flag_spec. # This may have to be revisited, in case too many # convenience libraries get linked in and end up exceeding # the spec. if test -z "$convenience" || test -z "$whole_archive_flag_spec"; then save_libobjs=$libobjs fi save_output=$output func_basename "$output" output_la=$func_basename_result # Clear the reloadable object creation command queue and # initialize k to one. test_cmds= concat_cmds= objlist= last_robj= k=1 if test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "$with_gnu_ld" = yes; then output=${output_objdir}/${output_la}.lnkscript func_verbose "creating GNU ld script: $output" echo 'INPUT (' > $output for obj in $save_libobjs do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" >> $output done echo ')' >> $output func_append delfiles " $output" func_to_tool_file "$output" output=$func_to_tool_file_result elif test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "X$file_list_spec" != X; then output=${output_objdir}/${output_la}.lnk func_verbose "creating linker input file list: $output" : > $output set x $save_libobjs shift firstobj= if test "$compiler_needs_object" = yes; then firstobj="$1 " shift fi for obj do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" >> $output done func_append delfiles " $output" func_to_tool_file "$output" output=$firstobj\"$file_list_spec$func_to_tool_file_result\" else if test -n "$save_libobjs"; then func_verbose "creating reloadable object files..." output=$output_objdir/$output_la-${k}.$objext eval test_cmds=\"$reload_cmds\" func_len " $test_cmds" len0=$func_len_result len=$len0 # Loop over the list of objects to be linked. for obj in $save_libobjs do func_len " $obj" func_arith $len + $func_len_result len=$func_arith_result if test "X$objlist" = X || test "$len" -lt "$max_cmd_len"; then func_append objlist " $obj" else # The command $test_cmds is almost too long, add a # command to the queue. if test "$k" -eq 1 ; then # The first file doesn't have a previous command to add. reload_objs=$objlist eval concat_cmds=\"$reload_cmds\" else # All subsequent reloadable object files will link in # the last one created. reload_objs="$objlist $last_robj" eval concat_cmds=\"\$concat_cmds~$reload_cmds~\$RM $last_robj\" fi last_robj=$output_objdir/$output_la-${k}.$objext func_arith $k + 1 k=$func_arith_result output=$output_objdir/$output_la-${k}.$objext objlist=" $obj" func_len " $last_robj" func_arith $len0 + $func_len_result len=$func_arith_result fi done # Handle the remaining objects by creating one last # reloadable object file. All subsequent reloadable object # files will link in the last one created. test -z "$concat_cmds" || concat_cmds=$concat_cmds~ reload_objs="$objlist $last_robj" eval concat_cmds=\"\${concat_cmds}$reload_cmds\" if test -n "$last_robj"; then eval concat_cmds=\"\${concat_cmds}~\$RM $last_robj\" fi func_append delfiles " $output" else output= fi if ${skipped_export-false}; then func_verbose "generating symbol list for \`$libname.la'" export_symbols="$output_objdir/$libname.exp" $opt_dry_run || $RM $export_symbols libobjs=$output # Append the command to create the export file. test -z "$concat_cmds" || concat_cmds=$concat_cmds~ eval concat_cmds=\"\$concat_cmds$export_symbols_cmds\" if test -n "$last_robj"; then eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\" fi fi test -n "$save_libobjs" && func_verbose "creating a temporary reloadable object file: $output" # Loop through the commands generated above and execute them. save_ifs="$IFS"; IFS='~' for cmd in $concat_cmds; do IFS="$save_ifs" $opt_silent || { func_quote_for_expand "$cmd" eval "func_echo $func_quote_for_expand_result" } $opt_dry_run || eval "$cmd" || { lt_exit=$? # Restore the uninstalled library and exit if test "$opt_mode" = relink; then ( cd "$output_objdir" && \ $RM "${realname}T" && \ $MV "${realname}U" "$realname" ) fi exit $lt_exit } done IFS="$save_ifs" if test -n "$export_symbols_regex" && ${skipped_export-false}; then func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' func_show_eval '$MV "${export_symbols}T" "$export_symbols"' fi fi if ${skipped_export-false}; then if test -n "$export_symbols" && test -n "$include_expsyms"; then tmp_export_symbols="$export_symbols" test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols" $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' fi if test -n "$orig_export_symbols"; then # The given exports_symbols file has to be filtered, so filter it. func_verbose "filter symbol list for \`$libname.la' to tag DATA exports" # FIXME: $output_objdir/$libname.filter potentially contains lots of # 's' commands which not all seds can handle. GNU sed should be fine # though. Also, the filter scales superlinearly with the number of # global variables. join(1) would be nice here, but unfortunately # isn't a blessed tool. $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter func_append delfiles " $export_symbols $output_objdir/$libname.filter" export_symbols=$output_objdir/$libname.def $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols fi fi libobjs=$output # Restore the value of output. output=$save_output if test -n "$convenience" && test -n "$whole_archive_flag_spec"; then eval libobjs=\"\$libobjs $whole_archive_flag_spec\" test "X$libobjs" = "X " && libobjs= fi # Expand the library linking commands again to reset the # value of $libobjs for piecewise linking. # Do each of the archive commands. if test "$module" = yes && test -n "$module_cmds" ; then if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then cmds=$module_expsym_cmds else cmds=$module_cmds fi else if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then cmds=$archive_expsym_cmds else cmds=$archive_cmds fi fi fi if test -n "$delfiles"; then # Append the command to remove temporary files to $cmds. eval cmds=\"\$cmds~\$RM $delfiles\" fi # Add any objects from preloaded convenience libraries if test -n "$dlprefiles"; then gentop="$output_objdir/${outputname}x" func_append generated " $gentop" func_extract_archives $gentop $dlprefiles func_append libobjs " $func_extract_archives_result" test "X$libobjs" = "X " && libobjs= fi save_ifs="$IFS"; IFS='~' for cmd in $cmds; do IFS="$save_ifs" eval cmd=\"$cmd\" $opt_silent || { func_quote_for_expand "$cmd" eval "func_echo $func_quote_for_expand_result" } $opt_dry_run || eval "$cmd" || { lt_exit=$? # Restore the uninstalled library and exit if test "$opt_mode" = relink; then ( cd "$output_objdir" && \ $RM "${realname}T" && \ $MV "${realname}U" "$realname" ) fi exit $lt_exit } done IFS="$save_ifs" # Restore the uninstalled library and exit if test "$opt_mode" = relink; then $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}T && $MV $realname ${realname}T && $MV ${realname}U $realname)' || exit $? if test -n "$convenience"; then if test -z "$whole_archive_flag_spec"; then func_show_eval '${RM}r "$gentop"' fi fi exit $EXIT_SUCCESS fi # Create links to the real library. for linkname in $linknames; do if test "$realname" != "$linkname"; then func_show_eval '(cd "$output_objdir" && $RM "$linkname" && $LN_S "$realname" "$linkname")' 'exit $?' fi done # If -module or -export-dynamic was specified, set the dlname. if test "$module" = yes || test "$export_dynamic" = yes; then # On all known operating systems, these are identical. dlname="$soname" fi fi ;; obj) if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then func_warning "\`-dlopen' is ignored for objects" fi case " $deplibs" in *\ -l* | *\ -L*) func_warning "\`-l' and \`-L' are ignored for objects" ;; esac test -n "$rpath" && \ func_warning "\`-rpath' is ignored for objects" test -n "$xrpath" && \ func_warning "\`-R' is ignored for objects" test -n "$vinfo" && \ func_warning "\`-version-info' is ignored for objects" test -n "$release" && \ func_warning "\`-release' is ignored for objects" case $output in *.lo) test -n "$objs$old_deplibs" && \ func_fatal_error "cannot build library object \`$output' from non-libtool objects" libobj=$output func_lo2o "$libobj" obj=$func_lo2o_result ;; *) libobj= obj="$output" ;; esac # Delete the old objects. $opt_dry_run || $RM $obj $libobj # Objects from convenience libraries. This assumes # single-version convenience libraries. Whenever we create # different ones for PIC/non-PIC, this we'll have to duplicate # the extraction. reload_conv_objs= gentop= # reload_cmds runs $LD directly, so let us get rid of # -Wl from whole_archive_flag_spec and hope we can get by with # turning comma into space.. wl= if test -n "$convenience"; then if test -n "$whole_archive_flag_spec"; then eval tmp_whole_archive_flags=\"$whole_archive_flag_spec\" reload_conv_objs=$reload_objs\ `$ECHO "$tmp_whole_archive_flags" | $SED 's|,| |g'` else gentop="$output_objdir/${obj}x" func_append generated " $gentop" func_extract_archives $gentop $convenience reload_conv_objs="$reload_objs $func_extract_archives_result" fi fi # If we're not building shared, we need to use non_pic_objs test "$build_libtool_libs" != yes && libobjs="$non_pic_objects" # Create the old-style object. reload_objs="$objs$old_deplibs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.${libext}$/d; /\.lib$/d; $lo2o" | $NL2SP`" $reload_conv_objs" ### testsuite: skip nested quoting test output="$obj" func_execute_cmds "$reload_cmds" 'exit $?' # Exit if we aren't doing a library object file. if test -z "$libobj"; then if test -n "$gentop"; then func_show_eval '${RM}r "$gentop"' fi exit $EXIT_SUCCESS fi if test "$build_libtool_libs" != yes; then if test -n "$gentop"; then func_show_eval '${RM}r "$gentop"' fi # Create an invalid libtool object if no PIC, so that we don't # accidentally link it into a program. # $show "echo timestamp > $libobj" # $opt_dry_run || eval "echo timestamp > $libobj" || exit $? exit $EXIT_SUCCESS fi if test -n "$pic_flag" || test "$pic_mode" != default; then # Only do commands if we really have different PIC objects. reload_objs="$libobjs $reload_conv_objs" output="$libobj" func_execute_cmds "$reload_cmds" 'exit $?' fi if test -n "$gentop"; then func_show_eval '${RM}r "$gentop"' fi exit $EXIT_SUCCESS ;; prog) case $host in *cygwin*) func_stripname '' '.exe' "$output" output=$func_stripname_result.exe;; esac test -n "$vinfo" && \ func_warning "\`-version-info' is ignored for programs" test -n "$release" && \ func_warning "\`-release' is ignored for programs" test "$preload" = yes \ && test "$dlopen_support" = unknown \ && test "$dlopen_self" = unknown \ && test "$dlopen_self_static" = unknown && \ func_warning "\`LT_INIT([dlopen])' not used. Assuming no dlopen support." case $host in *-*-rhapsody* | *-*-darwin1.[012]) # On Rhapsody replace the C library is the System framework compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's/ -lc / System.ltframework /'` finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's/ -lc / System.ltframework /'` ;; esac case $host in *-*-darwin*) # Don't allow lazy linking, it breaks C++ global constructors # But is supposedly fixed on 10.4 or later (yay!). if test "$tagname" = CXX ; then case ${MACOSX_DEPLOYMENT_TARGET-10.0} in 10.[0123]) func_append compile_command " ${wl}-bind_at_load" func_append finalize_command " ${wl}-bind_at_load" ;; esac fi # Time to change all our "foo.ltframework" stuff back to "-framework foo" compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` ;; esac # move library search paths that coincide with paths to not yet # installed libraries to the beginning of the library search list new_libs= for path in $notinst_path; do case " $new_libs " in *" -L$path/$objdir "*) ;; *) case " $compile_deplibs " in *" -L$path/$objdir "*) func_append new_libs " -L$path/$objdir" ;; esac ;; esac done for deplib in $compile_deplibs; do case $deplib in -L*) case " $new_libs " in *" $deplib "*) ;; *) func_append new_libs " $deplib" ;; esac ;; *) func_append new_libs " $deplib" ;; esac done compile_deplibs="$new_libs" func_append compile_command " $compile_deplibs" func_append finalize_command " $finalize_deplibs" if test -n "$rpath$xrpath"; then # If the user specified any rpath flags, then add them. for libdir in $rpath $xrpath; do # This is the magic to use -rpath. case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac done fi # Now hardcode the library paths rpath= hardcode_libdirs= for libdir in $compile_rpath $finalize_rpath; do if test -n "$hardcode_libdir_flag_spec"; then if test -n "$hardcode_libdir_separator"; then if test -z "$hardcode_libdirs"; then hardcode_libdirs="$libdir" else # Just accumulate the unique libdirs. case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) ;; *) func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" ;; esac fi else eval flag=\"$hardcode_libdir_flag_spec\" func_append rpath " $flag" fi elif test -n "$runpath_var"; then case "$perm_rpath " in *" $libdir "*) ;; *) func_append perm_rpath " $libdir" ;; esac fi case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) testbindir=`${ECHO} "$libdir" | ${SED} -e 's*/lib$*/bin*'` case :$dllsearchpath: in *":$libdir:"*) ;; ::) dllsearchpath=$libdir;; *) func_append dllsearchpath ":$libdir";; esac case :$dllsearchpath: in *":$testbindir:"*) ;; ::) dllsearchpath=$testbindir;; *) func_append dllsearchpath ":$testbindir";; esac ;; esac done # Substitute the hardcoded libdirs into the rpath. if test -n "$hardcode_libdir_separator" && test -n "$hardcode_libdirs"; then libdir="$hardcode_libdirs" eval rpath=\" $hardcode_libdir_flag_spec\" fi compile_rpath="$rpath" rpath= hardcode_libdirs= for libdir in $finalize_rpath; do if test -n "$hardcode_libdir_flag_spec"; then if test -n "$hardcode_libdir_separator"; then if test -z "$hardcode_libdirs"; then hardcode_libdirs="$libdir" else # Just accumulate the unique libdirs. case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) ;; *) func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" ;; esac fi else eval flag=\"$hardcode_libdir_flag_spec\" func_append rpath " $flag" fi elif test -n "$runpath_var"; then case "$finalize_perm_rpath " in *" $libdir "*) ;; *) func_append finalize_perm_rpath " $libdir" ;; esac fi done # Substitute the hardcoded libdirs into the rpath. if test -n "$hardcode_libdir_separator" && test -n "$hardcode_libdirs"; then libdir="$hardcode_libdirs" eval rpath=\" $hardcode_libdir_flag_spec\" fi finalize_rpath="$rpath" if test -n "$libobjs" && test "$build_old_libs" = yes; then # Transform all the library objects into standard objects. compile_command=`$ECHO "$compile_command" | $SP2NL | $SED "$lo2o" | $NL2SP` finalize_command=`$ECHO "$finalize_command" | $SP2NL | $SED "$lo2o" | $NL2SP` fi func_generate_dlsyms "$outputname" "@PROGRAM@" "no" # template prelinking step if test -n "$prelink_cmds"; then func_execute_cmds "$prelink_cmds" 'exit $?' fi wrappers_required=yes case $host in *cegcc* | *mingw32ce*) # Disable wrappers for cegcc and mingw32ce hosts, we are cross compiling anyway. wrappers_required=no ;; *cygwin* | *mingw* ) if test "$build_libtool_libs" != yes; then wrappers_required=no fi ;; *) if test "$need_relink" = no || test "$build_libtool_libs" != yes; then wrappers_required=no fi ;; esac if test "$wrappers_required" = no; then # Replace the output file specification. compile_command=`$ECHO "$compile_command" | $SED 's%@OUTPUT@%'"$output"'%g'` link_command="$compile_command$compile_rpath" # We have no uninstalled library dependencies, so finalize right now. exit_status=0 func_show_eval "$link_command" 'exit_status=$?' if test -n "$postlink_cmds"; then func_to_tool_file "$output" postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` func_execute_cmds "$postlink_cmds" 'exit $?' fi # Delete the generated files. if test -f "$output_objdir/${outputname}S.${objext}"; then func_show_eval '$RM "$output_objdir/${outputname}S.${objext}"' fi exit $exit_status fi if test -n "$compile_shlibpath$finalize_shlibpath"; then compile_command="$shlibpath_var=\"$compile_shlibpath$finalize_shlibpath\$$shlibpath_var\" $compile_command" fi if test -n "$finalize_shlibpath"; then finalize_command="$shlibpath_var=\"$finalize_shlibpath\$$shlibpath_var\" $finalize_command" fi compile_var= finalize_var= if test -n "$runpath_var"; then if test -n "$perm_rpath"; then # We should set the runpath_var. rpath= for dir in $perm_rpath; do func_append rpath "$dir:" done compile_var="$runpath_var=\"$rpath\$$runpath_var\" " fi if test -n "$finalize_perm_rpath"; then # We should set the runpath_var. rpath= for dir in $finalize_perm_rpath; do func_append rpath "$dir:" done finalize_var="$runpath_var=\"$rpath\$$runpath_var\" " fi fi if test "$no_install" = yes; then # We don't need to create a wrapper script. link_command="$compile_var$compile_command$compile_rpath" # Replace the output file specification. link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output"'%g'` # Delete the old output file. $opt_dry_run || $RM $output # Link the executable and exit func_show_eval "$link_command" 'exit $?' if test -n "$postlink_cmds"; then func_to_tool_file "$output" postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` func_execute_cmds "$postlink_cmds" 'exit $?' fi exit $EXIT_SUCCESS fi if test "$hardcode_action" = relink; then # Fast installation is not supported link_command="$compile_var$compile_command$compile_rpath" relink_command="$finalize_var$finalize_command$finalize_rpath" func_warning "this platform does not like uninstalled shared libraries" func_warning "\`$output' will be relinked during installation" else if test "$fast_install" != no; then link_command="$finalize_var$compile_command$finalize_rpath" if test "$fast_install" = yes; then relink_command=`$ECHO "$compile_var$compile_command$compile_rpath" | $SED 's%@OUTPUT@%\$progdir/\$file%g'` else # fast_install is set to needless relink_command= fi else link_command="$compile_var$compile_command$compile_rpath" relink_command="$finalize_var$finalize_command$finalize_rpath" fi fi # Replace the output file specification. link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output_objdir/$outputname"'%g'` # Delete the old output files. $opt_dry_run || $RM $output $output_objdir/$outputname $output_objdir/lt-$outputname func_show_eval "$link_command" 'exit $?' if test -n "$postlink_cmds"; then func_to_tool_file "$output_objdir/$outputname" postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output_objdir/$outputname"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` func_execute_cmds "$postlink_cmds" 'exit $?' fi # Now create the wrapper script. func_verbose "creating $output" # Quote the relink command for shipping. if test -n "$relink_command"; then # Preserve any variables that may affect compiler behavior for var in $variables_saved_for_relink; do if eval test -z \"\${$var+set}\"; then relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command" elif eval var_value=\$$var; test -z "$var_value"; then relink_command="$var=; export $var; $relink_command" else func_quote_for_eval "$var_value" relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command" fi done relink_command="(cd `pwd`; $relink_command)" relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"` fi # Only actually do things if not in dry run mode. $opt_dry_run || { # win32 will think the script is a binary if it has # a .exe suffix, so we strip it off here. case $output in *.exe) func_stripname '' '.exe' "$output" output=$func_stripname_result ;; esac # test for cygwin because mv fails w/o .exe extensions case $host in *cygwin*) exeext=.exe func_stripname '' '.exe' "$outputname" outputname=$func_stripname_result ;; *) exeext= ;; esac case $host in *cygwin* | *mingw* ) func_dirname_and_basename "$output" "" "." output_name=$func_basename_result output_path=$func_dirname_result cwrappersource="$output_path/$objdir/lt-$output_name.c" cwrapper="$output_path/$output_name.exe" $RM $cwrappersource $cwrapper trap "$RM $cwrappersource $cwrapper; exit $EXIT_FAILURE" 1 2 15 func_emit_cwrapperexe_src > $cwrappersource # The wrapper executable is built using the $host compiler, # because it contains $host paths and files. 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" >&6; } if ${lt_cv_path_NM+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$NM"; then # Let the user override the test. lt_cv_path_NM="$NM" else lt_nm_to_check="${ac_tool_prefix}nm" if test -n "$ac_tool_prefix" && test "$build" = "$host"; then lt_nm_to_check="$lt_nm_to_check nm" fi for lt_tmp_nm in $lt_nm_to_check; do lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do IFS="$lt_save_ifs" test -z "$ac_dir" && ac_dir=. tmp_nm="$ac_dir/$lt_tmp_nm" if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext" ; then # Check to see if the nm accepts a BSD-compat flag. # Adding the `sed 1q' prevents false positives on HP-UX, which says: # nm: unknown option "B" ignored # Tru64's nm complains that /dev/null is an invalid object file case `"$tmp_nm" -B /dev/null 2>&1 | sed '1q'` in */dev/null* | *'Invalid file or object type'*) lt_cv_path_NM="$tmp_nm -B" break ;; *) case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in */dev/null*) lt_cv_path_NM="$tmp_nm -p" break ;; *) lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but continue # so that we can try to find one that supports BSD flags ;; esac ;; esac fi done IFS="$lt_save_ifs" done : ${lt_cv_path_NM=no} fi fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_NM" >&5 $as_echo "$lt_cv_path_NM" >&6; } if test "$lt_cv_path_NM" != "no"; then NM="$lt_cv_path_NM" else # Didn't find any BSD compatible name lister, look for dumpbin. if test -n "$DUMPBIN"; then : # Let the user override the test. else if test -n "$ac_tool_prefix"; then for ac_prog in dumpbin "link -dump" do # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. set dummy $ac_tool_prefix$ac_prog; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_DUMPBIN+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$DUMPBIN"; then ac_cv_prog_DUMPBIN="$DUMPBIN" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_DUMPBIN="$ac_tool_prefix$ac_prog" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi DUMPBIN=$ac_cv_prog_DUMPBIN if test -n "$DUMPBIN"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DUMPBIN" >&5 $as_echo "$DUMPBIN" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi test -n "$DUMPBIN" && break done fi if test -z "$DUMPBIN"; then ac_ct_DUMPBIN=$DUMPBIN for ac_prog in dumpbin "link -dump" do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_DUMPBIN+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_DUMPBIN"; then ac_cv_prog_ac_ct_DUMPBIN="$ac_ct_DUMPBIN" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_DUMPBIN="$ac_prog" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_DUMPBIN=$ac_cv_prog_ac_ct_DUMPBIN if test -n "$ac_ct_DUMPBIN"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DUMPBIN" >&5 $as_echo "$ac_ct_DUMPBIN" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi test -n "$ac_ct_DUMPBIN" && break done if test "x$ac_ct_DUMPBIN" = x; then DUMPBIN=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac DUMPBIN=$ac_ct_DUMPBIN fi fi case `$DUMPBIN -symbols /dev/null 2>&1 | sed '1q'` in *COFF*) DUMPBIN="$DUMPBIN -symbols" ;; *) DUMPBIN=: ;; esac fi if test "$DUMPBIN" != ":"; then NM="$DUMPBIN" fi fi test -z "$NM" && NM=nm { $as_echo "$as_me:${as_lineno-$LINENO}: checking the name lister ($NM) interface" >&5 $as_echo_n "checking the name lister ($NM) interface... " >&6; } if ${lt_cv_nm_interface+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_nm_interface="BSD nm" echo "int some_variable = 0;" > conftest.$ac_ext (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&5) (eval "$ac_compile" 2>conftest.err) cat conftest.err >&5 (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&5) (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out) cat conftest.err >&5 (eval echo "\"\$as_me:$LINENO: output\"" >&5) cat conftest.out >&5 if $GREP 'External.*some_variable' conftest.out > /dev/null; then lt_cv_nm_interface="MS dumpbin" fi rm -f conftest* fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_nm_interface" >&5 $as_echo "$lt_cv_nm_interface" >&6; } { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5 $as_echo_n "checking whether ln -s works... " >&6; } LN_S=$as_ln_s if test "$LN_S" = "ln -s"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 $as_echo "yes" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5 $as_echo "no, using $LN_S" >&6; } fi # find the maximum length of command line arguments { $as_echo "$as_me:${as_lineno-$LINENO}: checking the maximum length of command line arguments" >&5 $as_echo_n "checking the maximum length of command line arguments... " >&6; } if ${lt_cv_sys_max_cmd_len+:} false; then : $as_echo_n "(cached) " >&6 else i=0 teststring="ABCD" case $build_os in msdosdjgpp*) # On DJGPP, this test can blow up pretty badly due to problems in libc # (any single argument exceeding 2000 bytes causes a buffer overrun # during glob expansion). Even if it were fixed, the result of this # check would be larger than it should be. lt_cv_sys_max_cmd_len=12288; # 12K is about right ;; gnu*) # Under GNU Hurd, this test is not required because there is # no limit to the length of command line arguments. # Libtool will interpret -1 as no limit whatsoever lt_cv_sys_max_cmd_len=-1; ;; cygwin* | mingw* | cegcc*) # On Win9x/ME, this test blows up -- it succeeds, but takes # about 5 minutes as the teststring grows exponentially. # Worse, since 9x/ME are not pre-emptively multitasking, # you end up with a "frozen" computer, even though with patience # the test eventually succeeds (with a max line length of 256k). # Instead, let's just punt: use the minimum linelength reported by # all of the supported platforms: 8192 (on NT/2K/XP). lt_cv_sys_max_cmd_len=8192; ;; mint*) # On MiNT this can take a long time and run out of memory. lt_cv_sys_max_cmd_len=8192; ;; amigaos*) # On AmigaOS with pdksh, this test takes hours, literally. # So we just punt and use a minimum line length of 8192. lt_cv_sys_max_cmd_len=8192; ;; netbsd* | freebsd* | openbsd* | darwin* | dragonfly*) # This has been around since 386BSD, at least. Likely further. if test -x /sbin/sysctl; then lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` elif test -x /usr/sbin/sysctl; then lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` else lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs fi # And add a safety zone lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` ;; interix*) # We know the value 262144 and hardcode it with a safety zone (like BSD) lt_cv_sys_max_cmd_len=196608 ;; os2*) # The test takes a long time on OS/2. lt_cv_sys_max_cmd_len=8192 ;; osf*) # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not # nice to cause kernel panics so lets avoid the loop below. # First set a reasonable default. lt_cv_sys_max_cmd_len=16384 # if test -x /sbin/sysconfig; then case `/sbin/sysconfig -q proc exec_disable_arg_limit` in *1*) lt_cv_sys_max_cmd_len=-1 ;; esac fi ;; sco3.2v5*) lt_cv_sys_max_cmd_len=102400 ;; sysv5* | sco5v6* | sysv4.2uw2*) kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null` if test -n "$kargmax"; then lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[ ]//'` else lt_cv_sys_max_cmd_len=32768 fi ;; *) lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null` if test -n "$lt_cv_sys_max_cmd_len"; then lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` else # Make teststring a little bigger before we do anything with it. # a 1K string should be a reasonable start. for i in 1 2 3 4 5 6 7 8 ; do teststring=$teststring$teststring done SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}} # If test is not a shell built-in, we'll probably end up computing a # maximum length that is only half of the actual maximum length, but # we can't tell. while { test "X"`env echo "$teststring$teststring" 2>/dev/null` \ = "X$teststring$teststring"; } >/dev/null 2>&1 && test $i != 17 # 1/2 MB should be enough do i=`expr $i + 1` teststring=$teststring$teststring done # Only check the string length outside the loop. lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1` teststring= # Add a significant safety factor because C++ compilers can tack on # massive amounts of additional arguments before passing them to the # linker. It appears as though 1/2 is a usable value. lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2` fi ;; esac fi if test -n $lt_cv_sys_max_cmd_len ; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sys_max_cmd_len" >&5 $as_echo "$lt_cv_sys_max_cmd_len" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: none" >&5 $as_echo "none" >&6; } fi max_cmd_len=$lt_cv_sys_max_cmd_len : ${CP="cp -f"} : ${MV="mv -f"} : ${RM="rm -f"} { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the shell understands some XSI constructs" >&5 $as_echo_n "checking whether the shell understands some XSI constructs... 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" >&6; } if ${lt_cv_to_host_file_cmd+:} false; then : $as_echo_n "(cached) " >&6 else case $host in *-*-mingw* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32 ;; *-*-cygwin* ) lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32 ;; * ) # otherwise, assume *nix lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32 ;; esac ;; *-*-cygwin* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin ;; *-*-cygwin* ) lt_cv_to_host_file_cmd=func_convert_file_noop ;; * ) # otherwise, assume *nix lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin ;; esac ;; * ) # unhandled hosts (and "normal" native builds) lt_cv_to_host_file_cmd=func_convert_file_noop ;; esac fi to_host_file_cmd=$lt_cv_to_host_file_cmd { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_host_file_cmd" >&5 $as_echo "$lt_cv_to_host_file_cmd" >&6; } { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to toolchain format" >&5 $as_echo_n "checking how to convert $build file names to toolchain format... " >&6; } if ${lt_cv_to_tool_file_cmd+:} false; then : $as_echo_n "(cached) " >&6 else #assume ordinary cross tools, or native build. lt_cv_to_tool_file_cmd=func_convert_file_noop case $host in *-*-mingw* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32 ;; esac ;; esac fi to_tool_file_cmd=$lt_cv_to_tool_file_cmd { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_tool_file_cmd" >&5 $as_echo "$lt_cv_to_tool_file_cmd" >&6; } { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $LD option to reload object files" >&5 $as_echo_n "checking for $LD option to reload object files... " >&6; } if ${lt_cv_ld_reload_flag+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_ld_reload_flag='-r' fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_reload_flag" >&5 $as_echo "$lt_cv_ld_reload_flag" >&6; } reload_flag=$lt_cv_ld_reload_flag case $reload_flag in "" | " "*) ;; *) reload_flag=" $reload_flag" ;; esac reload_cmds='$LD$reload_flag -o $output$reload_objs' case $host_os in cygwin* | mingw* | pw32* | cegcc*) if test "$GCC" != yes; then reload_cmds=false fi ;; darwin*) if test "$GCC" = yes; then reload_cmds='$LTCC $LTCFLAGS -nostdlib ${wl}-r -o $output$reload_objs' else reload_cmds='$LD$reload_flag -o $output$reload_objs' fi ;; esac if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}objdump", so it can be a program name with args. set dummy ${ac_tool_prefix}objdump; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_OBJDUMP+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$OBJDUMP"; then ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_OBJDUMP="${ac_tool_prefix}objdump" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi OBJDUMP=$ac_cv_prog_OBJDUMP if test -n "$OBJDUMP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5 $as_echo "$OBJDUMP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_OBJDUMP"; then ac_ct_OBJDUMP=$OBJDUMP # Extract the first word of "objdump", so it can be a program name with args. set dummy objdump; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_OBJDUMP+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_OBJDUMP"; then ac_cv_prog_ac_ct_OBJDUMP="$ac_ct_OBJDUMP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OBJDUMP="objdump" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP if test -n "$ac_ct_OBJDUMP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJDUMP" >&5 $as_echo "$ac_ct_OBJDUMP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_OBJDUMP" = x; then OBJDUMP="false" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OBJDUMP=$ac_ct_OBJDUMP fi else OBJDUMP="$ac_cv_prog_OBJDUMP" fi test -z "$OBJDUMP" && OBJDUMP=objdump { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to recognize dependent libraries" >&5 $as_echo_n "checking how to recognize dependent libraries... " >&6; } if ${lt_cv_deplibs_check_method+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_file_magic_cmd='$MAGIC_CMD' lt_cv_file_magic_test_file= lt_cv_deplibs_check_method='unknown' # Need to set the preceding variable on all platforms that support # interlibrary dependencies. # 'none' -- dependencies not supported. # `unknown' -- same as none, but documents that we really don't know. # 'pass_all' -- all dependencies passed with no checks. # 'test_compile' -- check by making test program. # 'file_magic [[regex]]' -- check by looking for files in library path # which responds to the $file_magic_cmd with a given extended regex. # If you have `file' or equivalent on your system and you're not sure # whether `pass_all' will *always* work, you probably want this one. case $host_os in aix[4-9]*) lt_cv_deplibs_check_method=pass_all ;; beos*) lt_cv_deplibs_check_method=pass_all ;; bsdi[45]*) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)' lt_cv_file_magic_cmd='/usr/bin/file -L' lt_cv_file_magic_test_file=/shlib/libc.so ;; cygwin*) # func_win32_libid is a shell function defined in ltmain.sh lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' lt_cv_file_magic_cmd='func_win32_libid' ;; mingw* | pw32*) # Base MSYS/MinGW do not provide the 'file' command needed by # func_win32_libid shell function, so use a weaker test based on 'objdump', # unless we find 'file', for example because we are cross-compiling. # func_win32_libid assumes BSD nm, so disallow it if using MS dumpbin. if ( test "$lt_cv_nm_interface" = "BSD nm" && file / ) >/dev/null 2>&1; then lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' lt_cv_file_magic_cmd='func_win32_libid' else # Keep this pattern in sync with the one in func_win32_libid. lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' lt_cv_file_magic_cmd='$OBJDUMP -f' fi ;; cegcc*) # use the weaker test based on 'objdump'. See mingw*. lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?' lt_cv_file_magic_cmd='$OBJDUMP -f' ;; darwin* | rhapsody*) lt_cv_deplibs_check_method=pass_all ;; freebsd* | dragonfly*) if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then case $host_cpu in i*86 ) # Not sure whether the presence of OpenBSD here was a mistake. # Let's accept both of them until this is cleared up. lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[3-9]86 (compact )?demand paged shared library' lt_cv_file_magic_cmd=/usr/bin/file lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*` ;; esac else lt_cv_deplibs_check_method=pass_all fi ;; haiku*) lt_cv_deplibs_check_method=pass_all ;; hpux10.20* | hpux11*) lt_cv_file_magic_cmd=/usr/bin/file case $host_cpu in ia64*) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - IA64' lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so ;; hppa*64*) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]' lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl ;; *) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9]\.[0-9]) shared library' lt_cv_file_magic_test_file=/usr/lib/libc.sl ;; esac ;; interix[3-9]*) # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|\.a)$' ;; irix5* | irix6* | nonstopux*) case $LD in *-32|*"-32 ") libmagic=32-bit;; *-n32|*"-n32 ") libmagic=N32;; *-64|*"-64 ") libmagic=64-bit;; *) libmagic=never-match;; esac lt_cv_deplibs_check_method=pass_all ;; # This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) lt_cv_deplibs_check_method=pass_all ;; netbsd* | netbsdelf*-gnu) if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|_pic\.a)$' fi ;; newos6*) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)' lt_cv_file_magic_cmd=/usr/bin/file lt_cv_file_magic_test_file=/usr/lib/libnls.so ;; *nto* | *qnx*) lt_cv_deplibs_check_method=pass_all ;; openbsd*) if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|\.so|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' fi ;; osf3* | osf4* | osf5*) lt_cv_deplibs_check_method=pass_all ;; rdos*) lt_cv_deplibs_check_method=pass_all ;; solaris*) lt_cv_deplibs_check_method=pass_all ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) lt_cv_deplibs_check_method=pass_all ;; sysv4 | sysv4.3*) case $host_vendor in motorola) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]' lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` ;; ncr) lt_cv_deplibs_check_method=pass_all ;; sequent) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )' ;; sni) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method="file_magic ELF [0-9][0-9]*-bit [LM]SB dynamic lib" lt_cv_file_magic_test_file=/lib/libc.so ;; siemens) lt_cv_deplibs_check_method=pass_all ;; pc) lt_cv_deplibs_check_method=pass_all ;; esac ;; tpf*) lt_cv_deplibs_check_method=pass_all ;; esac fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_deplibs_check_method" >&5 $as_echo "$lt_cv_deplibs_check_method" >&6; } file_magic_glob= want_nocaseglob=no if test "$build" = "$host"; then case $host_os in mingw* | pw32*) if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then want_nocaseglob=yes else file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[\1]\/[\1]\/g;/g"` fi ;; esac fi file_magic_cmd=$lt_cv_file_magic_cmd deplibs_check_method=$lt_cv_deplibs_check_method test -z "$deplibs_check_method" && deplibs_check_method=unknown if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}dlltool", so it can be a program name with args. set dummy ${ac_tool_prefix}dlltool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_DLLTOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$DLLTOOL"; then ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_DLLTOOL="${ac_tool_prefix}dlltool" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi DLLTOOL=$ac_cv_prog_DLLTOOL if test -n "$DLLTOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DLLTOOL" >&5 $as_echo "$DLLTOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_DLLTOOL"; then ac_ct_DLLTOOL=$DLLTOOL # Extract the first word of "dlltool", so it can be a program name with args. set dummy dlltool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_DLLTOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_DLLTOOL"; then ac_cv_prog_ac_ct_DLLTOOL="$ac_ct_DLLTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_DLLTOOL="dlltool" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_DLLTOOL=$ac_cv_prog_ac_ct_DLLTOOL if test -n "$ac_ct_DLLTOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DLLTOOL" >&5 $as_echo "$ac_ct_DLLTOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_DLLTOOL" = x; then DLLTOOL="false" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac DLLTOOL=$ac_ct_DLLTOOL fi else DLLTOOL="$ac_cv_prog_DLLTOOL" fi test -z "$DLLTOOL" && DLLTOOL=dlltool { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to associate runtime and link libraries" >&5 $as_echo_n "checking how to associate runtime and link libraries... " >&6; } if ${lt_cv_sharedlib_from_linklib_cmd+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_sharedlib_from_linklib_cmd='unknown' case $host_os in cygwin* | mingw* | pw32* | cegcc*) # two different shell functions defined in ltmain.sh # decide which to use based on capabilities of $DLLTOOL case `$DLLTOOL --help 2>&1` in *--identify-strict*) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib ;; *) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback ;; esac ;; *) # fallback: assume linklib IS sharedlib lt_cv_sharedlib_from_linklib_cmd="$ECHO" ;; esac fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sharedlib_from_linklib_cmd" >&5 $as_echo "$lt_cv_sharedlib_from_linklib_cmd" >&6; } sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO if test -n "$ac_tool_prefix"; then for ac_prog in ar do # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. set dummy $ac_tool_prefix$ac_prog; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_AR+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$AR"; then ac_cv_prog_AR="$AR" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_AR="$ac_tool_prefix$ac_prog" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi AR=$ac_cv_prog_AR if test -n "$AR"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AR" >&5 $as_echo "$AR" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi test -n "$AR" && break done fi if test -z "$AR"; then ac_ct_AR=$AR for ac_prog in ar do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_AR+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_AR"; then ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_AR="$ac_prog" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_AR=$ac_cv_prog_ac_ct_AR if test -n "$ac_ct_AR"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5 $as_echo "$ac_ct_AR" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi test -n "$ac_ct_AR" && break done if test "x$ac_ct_AR" = x; then AR="false" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac AR=$ac_ct_AR fi fi : ${AR=ar} : ${AR_FLAGS=cru} { $as_echo "$as_me:${as_lineno-$LINENO}: checking for archiver @FILE support" >&5 $as_echo_n "checking for archiver @FILE support... " >&6; } if ${lt_cv_ar_at_file+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_ar_at_file=no cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO"; then : echo conftest.$ac_objext > conftest.lst lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&5' { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 (eval $lt_ar_try) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } if test "$ac_status" -eq 0; then # Ensure the archiver fails upon bogus file names. rm -f conftest.$ac_objext libconftest.a { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 (eval $lt_ar_try) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } if test "$ac_status" -ne 0; then lt_cv_ar_at_file=@ fi fi rm -f conftest.* libconftest.a fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ar_at_file" >&5 $as_echo "$lt_cv_ar_at_file" >&6; } if test "x$lt_cv_ar_at_file" = xno; then archiver_list_spec= else archiver_list_spec=$lt_cv_ar_at_file fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. set dummy ${ac_tool_prefix}strip; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_STRIP+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$STRIP"; then ac_cv_prog_STRIP="$STRIP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_STRIP="${ac_tool_prefix}strip" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi STRIP=$ac_cv_prog_STRIP if test -n "$STRIP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5 $as_echo "$STRIP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_STRIP"; then ac_ct_STRIP=$STRIP # Extract the first word of "strip", so it can be a program name with args. set dummy strip; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_STRIP+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_STRIP"; then ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_STRIP="strip" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP if test -n "$ac_ct_STRIP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5 $as_echo "$ac_ct_STRIP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_STRIP" = x; then STRIP=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac STRIP=$ac_ct_STRIP fi else STRIP="$ac_cv_prog_STRIP" fi test -z "$STRIP" && STRIP=: if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args. set dummy ${ac_tool_prefix}ranlib; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_RANLIB+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$RANLIB"; then ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi RANLIB=$ac_cv_prog_RANLIB if test -n "$RANLIB"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5 $as_echo "$RANLIB" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_RANLIB"; then ac_ct_RANLIB=$RANLIB # Extract the first word of "ranlib", so it can be a program name with args. set dummy ranlib; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_RANLIB+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_RANLIB"; then ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_RANLIB="ranlib" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB if test -n "$ac_ct_RANLIB"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5 $as_echo "$ac_ct_RANLIB" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_RANLIB" = x; then RANLIB=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac RANLIB=$ac_ct_RANLIB fi else RANLIB="$ac_cv_prog_RANLIB" fi test -z "$RANLIB" && RANLIB=: # Determine commands to create old-style static archives. old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs' old_postinstall_cmds='chmod 644 $oldlib' old_postuninstall_cmds= if test -n "$RANLIB"; then case $host_os in openbsd*) old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib" ;; *) old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib" ;; esac old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib" fi case $host_os in darwin*) lock_old_archive_extraction=yes ;; *) lock_old_archive_extraction=no ;; esac # If no C compiler was specified, use CC. LTCC=${LTCC-"$CC"} # If no C compiler flags were specified, use CFLAGS. LTCFLAGS=${LTCFLAGS-"$CFLAGS"} # Allow CC to be a program name with arguments. compiler=$CC # Check for command to grab the raw symbol name followed by C symbol from nm. { $as_echo "$as_me:${as_lineno-$LINENO}: checking command to parse $NM output from $compiler object" >&5 $as_echo_n "checking command to parse $NM output from $compiler object... " >&6; } if ${lt_cv_sys_global_symbol_pipe+:} false; then : $as_echo_n "(cached) " >&6 else # These are sane defaults that work on at least a few old systems. # [They come from Ultrix. What could be older than Ultrix?!! ;)] # Character class describing NM global symbol codes. symcode='[BCDEGRST]' # Regexp to match symbols that can be accessed directly from C. sympat='\([_A-Za-z][_A-Za-z0-9]*\)' # Define system-specific variables. case $host_os in aix*) symcode='[BCDT]' ;; cygwin* | mingw* | pw32* | cegcc*) symcode='[ABCDGISTW]' ;; hpux*) if test "$host_cpu" = ia64; then symcode='[ABCDEGRST]' fi ;; irix* | nonstopux*) symcode='[BCDEGRST]' ;; osf*) symcode='[BCDEGQRST]' ;; solaris*) symcode='[BDRT]' ;; sco3.2v5*) symcode='[DT]' ;; sysv4.2uw2*) symcode='[DT]' ;; sysv5* | sco5v6* | unixware* | OpenUNIX*) symcode='[ABDT]' ;; sysv4) symcode='[DFNSTU]' ;; esac # If we're using GNU nm, then use its standard symbol codes. case `$NM -V 2>&1` in *GNU* | *'with BFD'*) symcode='[ABCDGIRSTW]' ;; esac # Transform an extracted symbol line into a proper C declaration. # Some systems (esp. on ia64) link data and code symbols differently, # so use this general approach. lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'" # Transform an extracted symbol line into symbol name and symbol address lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([^ ]*\)[ ]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/ {\"\2\", (void *) \&\2},/p'" lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n -e 's/^: \([^ ]*\)[ ]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([^ ]*\) \(lib[^ ]*\)$/ {\"\2\", (void *) \&\2},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/ {\"lib\2\", (void *) \&\2},/p'" # Handle CRLF in mingw tool chain opt_cr= case $build_os in mingw*) opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp ;; esac # Try without a prefix underscore, then with it. for ac_symprfx in "" "_"; do # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. symxfrm="\\1 $ac_symprfx\\2 \\2" # Write the raw and C identifiers. if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Fake it for dumpbin and say T for any non-static function # and D for any global variable. # Also find C++ and __fastcall symbols from MSVC++, # which start with @ or ?. lt_cv_sys_global_symbol_pipe="$AWK '"\ " {last_section=section; section=\$ 3};"\ " /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ " /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ " \$ 0!~/External *\|/{next};"\ " / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ " {if(hide[section]) next};"\ " {f=0}; \$ 0~/\(\).*\|/{f=1}; {printf f ? \"T \" : \"D \"};"\ " {split(\$ 0, a, /\||\r/); split(a[2], s)};"\ " s[1]~/^[@?]/{print s[1], s[1]; next};"\ " s[1]~prfx {split(s[1],t,\"@\"); print t[1], substr(t[1],length(prfx))}"\ " ' prfx=^$ac_symprfx" else lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode$symcode*\)[ ][ ]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" fi lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'" # Check to see that the pipe works correctly. pipe_works=no rm -f conftest* cat > conftest.$ac_ext <<_LT_EOF #ifdef __cplusplus extern "C" { #endif char nm_test_var; void nm_test_func(void); void nm_test_func(void){} #ifdef __cplusplus } #endif int main(){nm_test_var='a';nm_test_func();return(0);} _LT_EOF if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then # Now try to grab the symbols. nlist=conftest.nm if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist\""; } >&5 (eval $NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } && test -s "$nlist"; then # Try sorting and uniquifying the output. if sort "$nlist" | uniq > "$nlist"T; then mv -f "$nlist"T "$nlist" else rm -f "$nlist"T fi # Make sure that we snagged all the symbols we need. if $GREP ' nm_test_var$' "$nlist" >/dev/null; then if $GREP ' nm_test_func$' "$nlist" >/dev/null; then cat <<_LT_EOF > conftest.$ac_ext /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE) /* DATA imports from DLLs on WIN32 con't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT_DLSYM_CONST #elif defined(__osf__) /* This system does not cope well with relocations in const data. */ # define LT_DLSYM_CONST #else # define LT_DLSYM_CONST const #endif #ifdef __cplusplus extern "C" { #endif _LT_EOF # Now generate the symbol file. eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' cat <<_LT_EOF >> conftest.$ac_ext /* The mapping between symbol names and symbols. */ LT_DLSYM_CONST struct { const char *name; void *address; } lt__PROGRAM__LTX_preloaded_symbols[] = { { "@PROGRAM@", (void *) 0 }, _LT_EOF $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/ {\"\2\", (void *) \&\2},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext cat <<\_LT_EOF >> conftest.$ac_ext {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt__PROGRAM__LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif _LT_EOF # Now try linking the two files. mv conftest.$ac_objext conftstm.$ac_objext lt_globsym_save_LIBS=$LIBS lt_globsym_save_CFLAGS=$CFLAGS LIBS="conftstm.$ac_objext" CFLAGS="$CFLAGS$lt_prog_compiler_no_builtin_flag" if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 (eval $ac_link) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } && test -s conftest${ac_exeext}; then pipe_works=yes fi LIBS=$lt_globsym_save_LIBS CFLAGS=$lt_globsym_save_CFLAGS else echo "cannot find nm_test_func in $nlist" >&5 fi else echo "cannot find nm_test_var in $nlist" >&5 fi else echo "cannot run $lt_cv_sys_global_symbol_pipe" >&5 fi else echo "$progname: failed program was:" >&5 cat conftest.$ac_ext >&5 fi rm -rf conftest* conftst* # Do not use the global_symbol_pipe unless it works. if test "$pipe_works" = yes; then break else lt_cv_sys_global_symbol_pipe= fi done fi if test -z "$lt_cv_sys_global_symbol_pipe"; then lt_cv_sys_global_symbol_to_cdecl= fi if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: failed" >&5 $as_echo "failed" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5 $as_echo "ok" >&6; } fi # Response file support. if test "$lt_cv_nm_interface" = "MS dumpbin"; then nm_file_list_spec='@' elif $NM --help 2>/dev/null | grep '[@]FILE' >/dev/null; then nm_file_list_spec='@' fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sysroot" >&5 $as_echo_n "checking for sysroot... " >&6; } # Check whether --with-sysroot was given. if test "${with_sysroot+set}" = set; then : withval=$with_sysroot; else with_sysroot=no fi lt_sysroot= case ${with_sysroot} in #( yes) if test "$GCC" = yes; then lt_sysroot=`$CC --print-sysroot 2>/dev/null` fi ;; #( /*) lt_sysroot=`echo "$with_sysroot" | sed -e "$sed_quote_subst"` ;; #( no|'') ;; #( *) { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${with_sysroot}" >&5 $as_echo "${with_sysroot}" >&6; } as_fn_error $? "The sysroot must be an absolute path." "$LINENO" 5 ;; esac { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${lt_sysroot:-no}" >&5 $as_echo "${lt_sysroot:-no}" >&6; } # Check whether --enable-libtool-lock was given. if test "${enable_libtool_lock+set}" = set; then : enableval=$enable_libtool_lock; fi test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes # Some flags need to be propagated to the compiler or linker for good # libtool support. case $host in ia64-*-hpux*) # Find out which ABI we are using. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `/usr/bin/file conftest.$ac_objext` in *ELF-32*) HPUX_IA64_MODE="32" ;; *ELF-64*) HPUX_IA64_MODE="64" ;; esac fi rm -rf conftest* ;; *-*-irix6*) # Find out which ABI we are using. echo '#line '$LINENO' "configure"' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then if test "$lt_cv_prog_gnu_ld" = yes; then case `/usr/bin/file conftest.$ac_objext` in *32-bit*) LD="${LD-ld} -melf32bsmip" ;; *N32*) LD="${LD-ld} -melf32bmipn32" ;; *64-bit*) LD="${LD-ld} -melf64bmip" ;; esac else case `/usr/bin/file conftest.$ac_objext` in *32-bit*) LD="${LD-ld} -32" ;; *N32*) LD="${LD-ld} -n32" ;; *64-bit*) LD="${LD-ld} -64" ;; esac fi fi rm -rf conftest* ;; x86_64-*kfreebsd*-gnu|x86_64-*linux*|ppc*-*linux*|powerpc*-*linux*| \ s390*-*linux*|s390*-*tpf*|sparc*-*linux*) # Find out which ABI we are using. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `/usr/bin/file conftest.o` in *32-bit*) case $host in x86_64-*kfreebsd*-gnu) LD="${LD-ld} -m elf_i386_fbsd" ;; x86_64-*linux*) LD="${LD-ld} -m elf_i386" ;; ppc64-*linux*|powerpc64-*linux*) LD="${LD-ld} -m elf32ppclinux" ;; s390x-*linux*) LD="${LD-ld} -m elf_s390" ;; sparc64-*linux*) LD="${LD-ld} -m elf32_sparc" ;; esac ;; *64-bit*) case $host in x86_64-*kfreebsd*-gnu) LD="${LD-ld} -m elf_x86_64_fbsd" ;; x86_64-*linux*) LD="${LD-ld} -m elf_x86_64" ;; ppc*-*linux*|powerpc*-*linux*) LD="${LD-ld} -m elf64ppc" ;; s390*-*linux*|s390*-*tpf*) LD="${LD-ld} -m elf64_s390" ;; sparc*-*linux*) LD="${LD-ld} -m elf64_sparc" ;; esac ;; esac fi rm -rf conftest* ;; *-*-sco3.2v5*) # On SCO OpenServer 5, we need -belf to get full-featured binaries. SAVE_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -belf" { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler needs -belf" >&5 $as_echo_n "checking whether the C compiler needs -belf... " >&6; } if ${lt_cv_cc_needs_belf+:} false; then : $as_echo_n "(cached) " >&6 else ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : lt_cv_cc_needs_belf=yes else lt_cv_cc_needs_belf=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_cc_needs_belf" >&5 $as_echo "$lt_cv_cc_needs_belf" >&6; } if test x"$lt_cv_cc_needs_belf" != x"yes"; then # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf CFLAGS="$SAVE_CFLAGS" fi ;; *-*solaris*) # Find out which ABI we are using. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `/usr/bin/file conftest.o` in *64-bit*) case $lt_cv_prog_gnu_ld in yes*) case $host in i?86-*-solaris*) LD="${LD-ld} -m elf_x86_64" ;; sparc*-*-solaris*) LD="${LD-ld} -m elf64_sparc" ;; esac # GNU ld 2.21 introduced _sol2 emulations. Use them if available. if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then LD="${LD-ld}_sol2" fi ;; *) if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then LD="${LD-ld} -64" fi ;; esac ;; esac fi rm -rf conftest* ;; esac need_locks="$enable_libtool_lock" if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}mt", so it can be a program name with args. set dummy ${ac_tool_prefix}mt; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_MANIFEST_TOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$MANIFEST_TOOL"; then ac_cv_prog_MANIFEST_TOOL="$MANIFEST_TOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_MANIFEST_TOOL="${ac_tool_prefix}mt" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi MANIFEST_TOOL=$ac_cv_prog_MANIFEST_TOOL if test -n "$MANIFEST_TOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MANIFEST_TOOL" >&5 $as_echo "$MANIFEST_TOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_MANIFEST_TOOL"; then ac_ct_MANIFEST_TOOL=$MANIFEST_TOOL # Extract the first word of "mt", so it can be a program name with args. set dummy mt; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_MANIFEST_TOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_MANIFEST_TOOL"; then ac_cv_prog_ac_ct_MANIFEST_TOOL="$ac_ct_MANIFEST_TOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_MANIFEST_TOOL="mt" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_MANIFEST_TOOL=$ac_cv_prog_ac_ct_MANIFEST_TOOL if test -n "$ac_ct_MANIFEST_TOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_MANIFEST_TOOL" >&5 $as_echo "$ac_ct_MANIFEST_TOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_MANIFEST_TOOL" = x; then MANIFEST_TOOL=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac MANIFEST_TOOL=$ac_ct_MANIFEST_TOOL fi else MANIFEST_TOOL="$ac_cv_prog_MANIFEST_TOOL" fi test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $MANIFEST_TOOL is a manifest tool" >&5 $as_echo_n "checking if $MANIFEST_TOOL is a manifest tool... " >&6; } if ${lt_cv_path_mainfest_tool+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_path_mainfest_tool=no echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&5 $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out cat conftest.err >&5 if $GREP 'Manifest Tool' conftest.out > /dev/null; then lt_cv_path_mainfest_tool=yes fi rm -f conftest* fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_mainfest_tool" >&5 $as_echo "$lt_cv_path_mainfest_tool" >&6; } if test "x$lt_cv_path_mainfest_tool" != xyes; then MANIFEST_TOOL=: fi case $host_os in rhapsody* | darwin*) if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}dsymutil", so it can be a program name with args. set dummy ${ac_tool_prefix}dsymutil; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_DSYMUTIL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$DSYMUTIL"; then ac_cv_prog_DSYMUTIL="$DSYMUTIL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_DSYMUTIL="${ac_tool_prefix}dsymutil" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi DSYMUTIL=$ac_cv_prog_DSYMUTIL if test -n "$DSYMUTIL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DSYMUTIL" >&5 $as_echo "$DSYMUTIL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_DSYMUTIL"; then ac_ct_DSYMUTIL=$DSYMUTIL # Extract the first word of "dsymutil", so it can be a program name with args. set dummy dsymutil; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_DSYMUTIL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_DSYMUTIL"; then ac_cv_prog_ac_ct_DSYMUTIL="$ac_ct_DSYMUTIL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_DSYMUTIL="dsymutil" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_DSYMUTIL=$ac_cv_prog_ac_ct_DSYMUTIL if test -n "$ac_ct_DSYMUTIL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DSYMUTIL" >&5 $as_echo "$ac_ct_DSYMUTIL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_DSYMUTIL" = x; then DSYMUTIL=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac DSYMUTIL=$ac_ct_DSYMUTIL fi else DSYMUTIL="$ac_cv_prog_DSYMUTIL" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}nmedit", so it can be a program name with args. set dummy ${ac_tool_prefix}nmedit; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_NMEDIT+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$NMEDIT"; then ac_cv_prog_NMEDIT="$NMEDIT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_NMEDIT="${ac_tool_prefix}nmedit" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi NMEDIT=$ac_cv_prog_NMEDIT if test -n "$NMEDIT"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $NMEDIT" >&5 $as_echo "$NMEDIT" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_NMEDIT"; then ac_ct_NMEDIT=$NMEDIT # Extract the first word of "nmedit", so it can be a program name with args. set dummy nmedit; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_NMEDIT+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_NMEDIT"; then ac_cv_prog_ac_ct_NMEDIT="$ac_ct_NMEDIT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_NMEDIT="nmedit" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_NMEDIT=$ac_cv_prog_ac_ct_NMEDIT if test -n "$ac_ct_NMEDIT"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_NMEDIT" >&5 $as_echo "$ac_ct_NMEDIT" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_NMEDIT" = x; then NMEDIT=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac NMEDIT=$ac_ct_NMEDIT fi else NMEDIT="$ac_cv_prog_NMEDIT" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}lipo", so it can be a program name with args. set dummy ${ac_tool_prefix}lipo; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_LIPO+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$LIPO"; then ac_cv_prog_LIPO="$LIPO" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_LIPO="${ac_tool_prefix}lipo" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi LIPO=$ac_cv_prog_LIPO if test -n "$LIPO"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LIPO" >&5 $as_echo "$LIPO" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_LIPO"; then ac_ct_LIPO=$LIPO # Extract the first word of "lipo", so it can be a program name with args. set dummy lipo; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_LIPO+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_LIPO"; then ac_cv_prog_ac_ct_LIPO="$ac_ct_LIPO" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_LIPO="lipo" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_LIPO=$ac_cv_prog_ac_ct_LIPO if test -n "$ac_ct_LIPO"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_LIPO" >&5 $as_echo "$ac_ct_LIPO" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_LIPO" = x; then LIPO=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac LIPO=$ac_ct_LIPO fi else LIPO="$ac_cv_prog_LIPO" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}otool", so it can be a program name with args. set dummy ${ac_tool_prefix}otool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_OTOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$OTOOL"; then ac_cv_prog_OTOOL="$OTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_OTOOL="${ac_tool_prefix}otool" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi OTOOL=$ac_cv_prog_OTOOL if test -n "$OTOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL" >&5 $as_echo "$OTOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_OTOOL"; then ac_ct_OTOOL=$OTOOL # Extract the first word of "otool", so it can be a program name with args. set dummy otool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_OTOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_OTOOL"; then ac_cv_prog_ac_ct_OTOOL="$ac_ct_OTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OTOOL="otool" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_OTOOL=$ac_cv_prog_ac_ct_OTOOL if test -n "$ac_ct_OTOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL" >&5 $as_echo "$ac_ct_OTOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_OTOOL" = x; then OTOOL=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OTOOL=$ac_ct_OTOOL fi else OTOOL="$ac_cv_prog_OTOOL" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}otool64", so it can be a program name with args. set dummy ${ac_tool_prefix}otool64; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_OTOOL64+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$OTOOL64"; then ac_cv_prog_OTOOL64="$OTOOL64" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_OTOOL64="${ac_tool_prefix}otool64" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi OTOOL64=$ac_cv_prog_OTOOL64 if test -n "$OTOOL64"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL64" >&5 $as_echo "$OTOOL64" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_OTOOL64"; then ac_ct_OTOOL64=$OTOOL64 # Extract the first word of "otool64", so it can be a program name with args. set dummy otool64; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_OTOOL64+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_OTOOL64"; then ac_cv_prog_ac_ct_OTOOL64="$ac_ct_OTOOL64" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OTOOL64="otool64" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_OTOOL64=$ac_cv_prog_ac_ct_OTOOL64 if test -n "$ac_ct_OTOOL64"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL64" >&5 $as_echo "$ac_ct_OTOOL64" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_OTOOL64" = x; then OTOOL64=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OTOOL64=$ac_ct_OTOOL64 fi else OTOOL64="$ac_cv_prog_OTOOL64" fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -single_module linker flag" >&5 $as_echo_n "checking for -single_module linker flag... " >&6; } if ${lt_cv_apple_cc_single_mod+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_apple_cc_single_mod=no if test -z "${LT_MULTI_MODULE}"; then # By default we will add the -single_module flag. You can override # by either setting the environment variable LT_MULTI_MODULE # non-empty at configure time, or by adding -multi_module to the # link flags. rm -rf libconftest.dylib* echo "int foo(void){return 1;}" > conftest.c echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ -dynamiclib -Wl,-single_module conftest.c" >&5 $LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ -dynamiclib -Wl,-single_module conftest.c 2>conftest.err _lt_result=$? # If there is a non-empty error log, and "single_module" # appears in it, assume the flag caused a linker warning if test -s conftest.err && $GREP single_module conftest.err; then cat conftest.err >&5 # Otherwise, if the output was created with a 0 exit code from # the compiler, it worked. elif test -f libconftest.dylib && test $_lt_result -eq 0; then lt_cv_apple_cc_single_mod=yes else cat conftest.err >&5 fi rm -rf libconftest.dylib* rm -f conftest.* fi fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_apple_cc_single_mod" >&5 $as_echo "$lt_cv_apple_cc_single_mod" >&6; } { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -exported_symbols_list linker flag" >&5 $as_echo_n "checking for -exported_symbols_list linker flag... 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Therefore, libtool *** is disabling shared libraries support. We urge you to upgrade GNU *** binutils to release 2.9.1 or newer. Another option is to modify *** your PATH or compiler configuration so that the native linker is *** used, and then restart. _LT_EOF elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' else ld_shlibs=no fi ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*) case `$LD -v 2>&1` in *\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*) ld_shlibs=no cat <<_LT_EOF 1>&2 *** Warning: Releases of the GNU linker prior to 2.16.91.0.3 can not *** reliably create shared libraries on SCO systems. Therefore, libtool *** is disabling shared libraries support. We urge you to upgrade GNU *** binutils to release 2.16.91.0.3 or newer. Another option is to modify *** your PATH or compiler configuration so that the native linker is *** used, and then restart. _LT_EOF ;; *) # For security reasons, it is highly recommended that you always # use absolute paths for naming shared libraries, and exclude the # DT_RUNPATH tag from executables and libraries. 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then lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` fi fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext if test -z "$lt_cv_aix_libpath_"; then lt_cv_aix_libpath_="/usr/lib:/lib" fi fi aix_libpath=$lt_cv_aix_libpath_ fi hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath" archive_expsym_cmds='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then func_echo_all "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag" else if test "$host_cpu" = ia64; then hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib' allow_undefined_flag="-z nodefs" archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols" else # Determine the default libpath from the value encoded in an # empty executable. if test "${lt_cv_aix_libpath+set}" = set; 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then # We only use this code for GNU lds that support --whole-archive. whole_archive_flag_spec='${wl}--whole-archive$convenience ${wl}--no-whole-archive' else # Exported symbols can be pulled into shared objects from archives whole_archive_flag_spec='$convenience' fi archive_cmds_need_lc=yes # This is similar to how AIX traditionally builds its shared libraries. archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname' fi fi ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' archive_expsym_cmds='' ;; m68k) archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' hardcode_libdir_flag_spec='-L$libdir' hardcode_minus_L=yes ;; esac ;; bsdi[45]*) export_dynamic_flag_spec=-rdynamic ;; cygwin* | mingw* | pw32* | cegcc*) # When not using gcc, we currently assume that we are using # Microsoft Visual C++. # hardcode_libdir_flag_spec is actually meaningless, as there is # no search path for DLLs. case $cc_basename in cl*) # Native MSVC hardcode_libdir_flag_spec=' ' allow_undefined_flag=unsupported always_export_symbols=yes file_list_spec='@' # Tell ltmain to make .lib files, not .a files. libext=lib # Tell ltmain to make .dll files, not .so files. shrext_cmds=".dll" # FIXME: Setting linknames here is a bad hack. archive_cmds='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-dll~linknames=' archive_expsym_cmds='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then sed -n -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' -e '1\\\!p' < $export_symbols > $output_objdir/$soname.exp; else sed -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' < $export_symbols > $output_objdir/$soname.exp; fi~ $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~ linknames=' # The linker will not automatically build a static lib if we build a DLL. # _LT_TAGVAR(old_archive_from_new_cmds, )='true' enable_shared_with_static_runtimes=yes exclude_expsyms='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*' export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1,DATA/'\'' | $SED -e '\''/^[AITW][ ]/s/.*[ ]//'\'' | sort | uniq > $export_symbols' # Don't use ranlib old_postinstall_cmds='chmod 644 $oldlib' postlink_cmds='lt_outputfile="@OUTPUT@"~ lt_tool_outputfile="@TOOL_OUTPUT@"~ case $lt_outputfile in *.exe|*.EXE) ;; *) lt_outputfile="$lt_outputfile.exe" lt_tool_outputfile="$lt_tool_outputfile.exe" ;; esac~ if test "$MANIFEST_TOOL" != ":" && test -f "$lt_outputfile.manifest"; then $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1; $RM "$lt_outputfile.manifest"; fi' ;; *) # Assume MSVC wrapper hardcode_libdir_flag_spec=' ' allow_undefined_flag=unsupported # Tell ltmain to make .lib files, not .a files. libext=lib # Tell ltmain to make .dll files, not .so files. shrext_cmds=".dll" # FIXME: Setting linknames here is a bad hack. archive_cmds='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames=' # The linker will automatically build a .lib file if we build a DLL. old_archive_from_new_cmds='true' # FIXME: Should let the user specify the lib program. old_archive_cmds='lib -OUT:$oldlib$oldobjs$old_deplibs' enable_shared_with_static_runtimes=yes ;; esac ;; darwin* | rhapsody*) archive_cmds_need_lc=no hardcode_direct=no hardcode_automatic=yes hardcode_shlibpath_var=unsupported if test "$lt_cv_ld_force_load" = "yes"; then whole_archive_flag_spec='`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience ${wl}-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`' else whole_archive_flag_spec='' fi link_all_deplibs=yes allow_undefined_flag="$_lt_dar_allow_undefined" case $cc_basename in ifort*) _lt_dar_can_shared=yes ;; *) _lt_dar_can_shared=$GCC ;; esac if test "$_lt_dar_can_shared" = "yes"; then output_verbose_link_cmd=func_echo_all archive_cmds="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}" module_cmds="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}" archive_expsym_cmds="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}" module_expsym_cmds="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}" else ld_shlibs=no fi ;; dgux*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_libdir_flag_spec='-L$libdir' hardcode_shlibpath_var=no ;; # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor # support. Future versions do this automatically, but an explicit c++rt0.o # does not break anything, and helps significantly (at the cost of a little # extra space). freebsd2.2*) archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o' hardcode_libdir_flag_spec='-R$libdir' hardcode_direct=yes hardcode_shlibpath_var=no ;; # Unfortunately, older versions of FreeBSD 2 do not have this feature. freebsd2.*) archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=yes hardcode_minus_L=yes hardcode_shlibpath_var=no ;; # FreeBSD 3 and greater uses gcc -shared to do shared libraries. freebsd* | dragonfly*) archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' hardcode_libdir_flag_spec='-R$libdir' hardcode_direct=yes hardcode_shlibpath_var=no ;; hpux9*) if test "$GCC" = yes; then archive_cmds='$RM $output_objdir/$soname~$CC -shared $pic_flag ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' else archive_cmds='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' fi hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' hardcode_libdir_separator=: hardcode_direct=yes # hardcode_minus_L: Not really in the search PATH, # but as the default location of the library. hardcode_minus_L=yes export_dynamic_flag_spec='${wl}-E' ;; hpux10*) if test "$GCC" = yes && test "$with_gnu_ld" = no; then archive_cmds='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' fi if test "$with_gnu_ld" = no; then hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' hardcode_libdir_separator=: hardcode_direct=yes hardcode_direct_absolute=yes export_dynamic_flag_spec='${wl}-E' # hardcode_minus_L: Not really in the search PATH, # but as the default location of the library. hardcode_minus_L=yes fi ;; hpux11*) if test "$GCC" = yes && test "$with_gnu_ld" = no; then case $host_cpu in hppa*64*) archive_cmds='$CC -shared ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' ;; ia64*) archive_cmds='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' ;; *) archive_cmds='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' ;; esac else case $host_cpu in hppa*64*) archive_cmds='$CC -b ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' ;; ia64*) archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' ;; *) # Older versions of the 11.00 compiler do not understand -b yet # (HP92453-01 A.11.01.20 doesn't, HP92453-01 B.11.X.35175-35176.GP does) { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC understands -b" >&5 $as_echo_n "checking if $CC understands -b... " >&6; } if ${lt_cv_prog_compiler__b+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_prog_compiler__b=no save_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -b" echo "$lt_simple_link_test_code" > conftest.$ac_ext if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then # The linker can only warn and ignore the option if not recognized # So say no if there are warnings if test -s conftest.err; then # Append any errors to the config.log. cat conftest.err 1>&5 $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 if diff conftest.exp conftest.er2 >/dev/null; then lt_cv_prog_compiler__b=yes fi else lt_cv_prog_compiler__b=yes fi fi $RM -r conftest* LDFLAGS="$save_LDFLAGS" fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler__b" >&5 $as_echo "$lt_cv_prog_compiler__b" >&6; } if test x"$lt_cv_prog_compiler__b" = xyes; then archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' fi ;; esac fi if test "$with_gnu_ld" = no; then hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' hardcode_libdir_separator=: case $host_cpu in hppa*64*|ia64*) hardcode_direct=no hardcode_shlibpath_var=no ;; *) hardcode_direct=yes hardcode_direct_absolute=yes export_dynamic_flag_spec='${wl}-E' # hardcode_minus_L: Not really in the search PATH, # but as the default location of the library. hardcode_minus_L=yes ;; esac fi ;; irix5* | irix6* | nonstopux*) if test "$GCC" = yes; then archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' # Try to use the -exported_symbol ld option, if it does not # work, assume that -exports_file does not work either and # implicitly export all symbols. # This should be the same for all languages, so no per-tag cache variable. { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $host_os linker accepts -exported_symbol" >&5 $as_echo_n "checking whether the $host_os linker accepts -exported_symbol... " >&6; } if ${lt_cv_irix_exported_symbol+:} false; then : $as_echo_n "(cached) " >&6 else save_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -shared ${wl}-exported_symbol ${wl}foo ${wl}-update_registry ${wl}/dev/null" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo (void) { return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : lt_cv_irix_exported_symbol=yes else lt_cv_irix_exported_symbol=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LDFLAGS="$save_LDFLAGS" fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_irix_exported_symbol" >&5 $as_echo "$lt_cv_irix_exported_symbol" >&6; } if test "$lt_cv_irix_exported_symbol" = yes; then archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations ${wl}-exports_file ${wl}$export_symbols -o $lib' fi else archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -exports_file $export_symbols -o $lib' fi archive_cmds_need_lc='no' hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' hardcode_libdir_separator=: inherit_rpath=yes link_all_deplibs=yes ;; netbsd* | netbsdelf*-gnu) if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out else archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF fi hardcode_libdir_flag_spec='-R$libdir' hardcode_direct=yes hardcode_shlibpath_var=no ;; newsos6) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=yes hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' hardcode_libdir_separator=: hardcode_shlibpath_var=no ;; *nto* | *qnx*) ;; openbsd*) if test -f /usr/libexec/ld.so; then hardcode_direct=yes hardcode_shlibpath_var=no hardcode_direct_absolute=yes if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-retain-symbols-file,$export_symbols' hardcode_libdir_flag_spec='${wl}-rpath,$libdir' export_dynamic_flag_spec='${wl}-E' else case $host_os in openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*) archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' hardcode_libdir_flag_spec='-R$libdir' ;; *) archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' hardcode_libdir_flag_spec='${wl}-rpath,$libdir' ;; esac fi else ld_shlibs=no fi ;; os2*) hardcode_libdir_flag_spec='-L$libdir' hardcode_minus_L=yes allow_undefined_flag=unsupported archive_cmds='$ECHO "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~echo DATA >> $output_objdir/$libname.def~echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def' old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def' ;; osf3*) if test "$GCC" = yes; then allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' else allow_undefined_flag=' -expect_unresolved \*' archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' fi archive_cmds_need_lc='no' hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' hardcode_libdir_separator=: ;; osf4* | osf5*) # as osf3* with the addition of -msym flag if test "$GCC" = yes; then allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' archive_cmds='$CC -shared${allow_undefined_flag} $pic_flag $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' else allow_undefined_flag=' -expect_unresolved \*' archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' archive_expsym_cmds='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~ $CC -shared${allow_undefined_flag} ${wl}-input ${wl}$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib~$RM $lib.exp' # Both c and cxx compiler support -rpath directly hardcode_libdir_flag_spec='-rpath $libdir' fi archive_cmds_need_lc='no' hardcode_libdir_separator=: ;; solaris*) no_undefined_flag=' -z defs' if test "$GCC" = yes; then wlarc='${wl}' archive_cmds='$CC -shared $pic_flag ${wl}-z ${wl}text ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -shared $pic_flag ${wl}-z ${wl}text ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' else case `$CC -V 2>&1` in *"Compilers 5.0"*) wlarc='' archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags' archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp' ;; *) wlarc='${wl}' archive_cmds='$CC -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' ;; esac fi hardcode_libdir_flag_spec='-R$libdir' hardcode_shlibpath_var=no case $host_os in solaris2.[0-5] | solaris2.[0-5].*) ;; *) # The compiler driver will combine and reorder linker options, # but understands `-z linker_flag'. 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then sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib" else sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64" fi sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec ;; hppa*64*) shrext_cmds='.sl' hardcode_into_libs=yes dynamic_linker="$host_os dld.sl" shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64" sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec ;; *) shrext_cmds='.sl' dynamic_linker="$host_os dld.sl" shlibpath_var=SHLIB_PATH shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' ;; esac # HP-UX runs *really* slowly unless shared libraries are mode 555, ... postinstall_cmds='chmod 555 $lib' # or fails outright, so override atomically: install_override_mode=555 ;; interix[3-9]*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; irix5* | irix6* | nonstopux*) case $host_os in nonstopux*) version_type=nonstopux ;; *) if test "$lt_cv_prog_gnu_ld" = yes; then version_type=linux # correct to gnu/linux during the next big refactor else version_type=irix fi ;; esac need_lib_prefix=no need_version=no soname_spec='${libname}${release}${shared_ext}$major' library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}' case $host_os in irix5* | nonstopux*) libsuff= shlibsuff= ;; *) case $LD in # libtool.m4 will add one of these switches to LD *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= libmagic=32-bit;; *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 libmagic=N32;; *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 libmagic=64-bit;; *) libsuff= shlibsuff= libmagic=never-match;; esac ;; esac shlibpath_var=LD_LIBRARY${shlibsuff}_PATH shlibpath_overrides_runpath=no sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}" sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}" hardcode_into_libs=yes ;; # No shared lib support for Linux oldld, aout, or coff. linux*oldld* | linux*aout* | linux*coff*) dynamic_linker=no ;; # This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no # Some binutils ld are patched to set DT_RUNPATH if ${lt_cv_shlibpath_overrides_runpath+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_shlibpath_overrides_runpath=no save_LDFLAGS=$LDFLAGS save_libdir=$libdir eval "libdir=/foo; wl=\"$lt_prog_compiler_wl\"; \ LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec\"" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : if ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null; then : lt_cv_shlibpath_overrides_runpath=yes fi fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LDFLAGS=$save_LDFLAGS libdir=$save_libdir fi shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath # This implies no fast_install, which is unacceptable. # Some rework will be needed to allow for fast_install # before this can be enabled. hardcode_into_libs=yes # Append ld.so.conf contents to the search path if test -f /etc/ld.so.conf; then lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" fi # We used to test for /lib/ld.so.1 and disable shared libraries on # powerpc, because MkLinux only supported shared libraries with the # GNU dynamic linker. Since this was broken with cross compilers, # most powerpc-linux boxes support dynamic linking these days and # people can always --disable-shared, the test was removed, and we # assume the GNU/Linux dynamic linker is in use. dynamic_linker='GNU/Linux ld.so' ;; netbsdelf*-gnu) version_type=linux need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes dynamic_linker='NetBSD ld.elf_so' ;; netbsd*) version_type=sunos need_lib_prefix=no need_version=no if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' dynamic_linker='NetBSD (a.out) ld.so' else library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' dynamic_linker='NetBSD ld.elf_so' fi shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes ;; newsos6) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes ;; *nto* | *qnx*) version_type=qnx need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes dynamic_linker='ldqnx.so' ;; openbsd*) version_type=sunos sys_lib_dlsearch_path_spec="/usr/lib" need_lib_prefix=no # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs. case $host_os in openbsd3.3 | openbsd3.3.*) need_version=yes ;; *) need_version=no ;; esac library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' shlibpath_var=LD_LIBRARY_PATH if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then case $host_os in openbsd2.[89] | openbsd2.[89].*) shlibpath_overrides_runpath=no ;; *) shlibpath_overrides_runpath=yes ;; esac else shlibpath_overrides_runpath=yes fi ;; os2*) libname_spec='$name' shrext_cmds=".dll" need_lib_prefix=no library_names_spec='$libname${shared_ext} $libname.a' dynamic_linker='OS/2 ld.exe' shlibpath_var=LIBPATH ;; osf3* | osf4* | osf5*) version_type=osf need_lib_prefix=no need_version=no soname_spec='${libname}${release}${shared_ext}$major' library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' shlibpath_var=LD_LIBRARY_PATH sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec" ;; rdos*) dynamic_linker=no ;; solaris*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes # ldd complains unless libraries are executable postinstall_cmds='chmod +x $lib' ;; sunos4*) version_type=sunos library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes if test "$with_gnu_ld" = yes; then need_lib_prefix=no fi need_version=yes ;; sysv4 | sysv4.3*) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH case $host_vendor in sni) shlibpath_overrides_runpath=no need_lib_prefix=no runpath_var=LD_RUN_PATH ;; siemens) need_lib_prefix=no ;; motorola) need_lib_prefix=no need_version=no shlibpath_overrides_runpath=no sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' ;; esac ;; sysv4*MP*) if test -d /usr/nec ;then version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}' soname_spec='$libname${shared_ext}.$major' shlibpath_var=LD_LIBRARY_PATH fi ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) version_type=freebsd-elf need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes if test "$with_gnu_ld" = yes; then sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib' else sys_lib_search_path_spec='/usr/ccs/lib /usr/lib' case $host_os in sco3.2v5*) sys_lib_search_path_spec="$sys_lib_search_path_spec /lib" ;; esac fi sys_lib_dlsearch_path_spec='/usr/lib' ;; tpf*) # TPF is a cross-target only. Preferred cross-host = GNU/Linux. version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; uts4*) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH ;; *) dynamic_linker=no ;; esac { $as_echo "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5 $as_echo "$dynamic_linker" >&6; } test "$dynamic_linker" = no && can_build_shared=no variables_saved_for_relink="PATH $shlibpath_var $runpath_var" if test "$GCC" = yes; then variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" fi if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec" fi if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec" fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5 $as_echo_n "checking how to hardcode library paths into programs... " >&6; } hardcode_action= if test -n "$hardcode_libdir_flag_spec" || test -n "$runpath_var" || test "X$hardcode_automatic" = "Xyes" ; then # We can hardcode non-existent directories. if test "$hardcode_direct" != no && # If the only mechanism to avoid hardcoding is shlibpath_var, we # have to relink, otherwise we might link with an installed library # when we should be linking with a yet-to-be-installed one ## test "$_LT_TAGVAR(hardcode_shlibpath_var, )" != no && test "$hardcode_minus_L" != no; then # Linking always hardcodes the temporary library directory. hardcode_action=relink else # We can link without hardcoding, and we can hardcode nonexisting dirs. hardcode_action=immediate fi else # We cannot hardcode anything, or else we can only hardcode existing # directories. hardcode_action=unsupported fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $hardcode_action" >&5 $as_echo "$hardcode_action" >&6; } if test "$hardcode_action" = relink || test "$inherit_rpath" = yes; then # Fast installation is not supported enable_fast_install=no elif test "$shlibpath_overrides_runpath" = yes || test "$enable_shared" = no; then # Fast installation is not necessary enable_fast_install=needless fi if test "x$enable_dlopen" != xyes; then enable_dlopen=unknown enable_dlopen_self=unknown enable_dlopen_self_static=unknown else lt_cv_dlopen=no lt_cv_dlopen_libs= case $host_os in beos*) lt_cv_dlopen="load_add_on" lt_cv_dlopen_libs= lt_cv_dlopen_self=yes ;; mingw* | pw32* | cegcc*) lt_cv_dlopen="LoadLibrary" lt_cv_dlopen_libs= ;; cygwin*) lt_cv_dlopen="dlopen" lt_cv_dlopen_libs= ;; darwin*) # if libdl is installed we need to link against it { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 $as_echo_n "checking for dlopen in -ldl... " >&6; } if ${ac_cv_lib_dl_dlopen+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-ldl $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char dlopen (); int main () { return dlopen (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_dl_dlopen=yes else ac_cv_lib_dl_dlopen=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 $as_echo "$ac_cv_lib_dl_dlopen" >&6; } if test "x$ac_cv_lib_dl_dlopen" = xyes; then : lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl" else lt_cv_dlopen="dyld" lt_cv_dlopen_libs= lt_cv_dlopen_self=yes fi ;; *) ac_fn_c_check_func "$LINENO" "shl_load" "ac_cv_func_shl_load" if test "x$ac_cv_func_shl_load" = xyes; then : lt_cv_dlopen="shl_load" else { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5 $as_echo_n "checking for shl_load in -ldld... " >&6; } if ${ac_cv_lib_dld_shl_load+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-ldld $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char shl_load (); int main () { return shl_load (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_dld_shl_load=yes else ac_cv_lib_dld_shl_load=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5 $as_echo "$ac_cv_lib_dld_shl_load" >&6; } if test "x$ac_cv_lib_dld_shl_load" = xyes; then : lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld" else ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen" if test "x$ac_cv_func_dlopen" = xyes; then : lt_cv_dlopen="dlopen" else { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 $as_echo_n "checking for dlopen in -ldl... " >&6; } if ${ac_cv_lib_dl_dlopen+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-ldl $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char dlopen (); int main () { return dlopen (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_dl_dlopen=yes else ac_cv_lib_dl_dlopen=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 $as_echo "$ac_cv_lib_dl_dlopen" >&6; } if test "x$ac_cv_lib_dl_dlopen" = xyes; then : lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl" else { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -lsvld" >&5 $as_echo_n "checking for dlopen in -lsvld... " >&6; } if ${ac_cv_lib_svld_dlopen+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-lsvld $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char dlopen (); int main () { return dlopen (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_svld_dlopen=yes else ac_cv_lib_svld_dlopen=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_svld_dlopen" >&5 $as_echo "$ac_cv_lib_svld_dlopen" >&6; } if test "x$ac_cv_lib_svld_dlopen" = xyes; then : lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld" else { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dld_link in -ldld" >&5 $as_echo_n "checking for dld_link in -ldld... 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"write failure creating $CONFIG_STATUS" "$LINENO" 5 # configure is writing to config.log, and then calls config.status. # config.status does its own redirection, appending to config.log. # Unfortunately, on DOS this fails, as config.log is still kept open # by configure, so config.status won't be able to write to it; its # output is simply discarded. So we exec the FD to /dev/null, # effectively closing config.log, so it can be properly (re)opened and # appended to by config.status. 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 echo " conntrack-tools configuration: userspace conntrack helper support: ${enable_cthelper} conntrack timeout support: ${enable_cttimeout}" conntrack-1.4.3/configure.ac000066400000000000000000000105701257407526400160060ustar00rootroot00000000000000AC_INIT(conntrack-tools, 1.4.3, pablo@netfilter.org) AC_CONFIG_AUX_DIR([build-aux]) AC_CANONICAL_HOST AC_CONFIG_MACRO_DIR([m4]) AM_INIT_AUTOMAKE([-Wall foreign subdir-objects tar-pax no-dist-gzip dist-bzip2 1.6]) dnl kernel style compile messages m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) AC_SEARCH_LIBS([dlopen], [dl], [libdl_LIBS="$LIBS"; LIBS=""]) AC_SUBST([libdl_LIBS]) AC_PROG_CC AC_DISABLE_STATIC AM_PROG_AR AM_PROG_LIBTOOL AC_PROG_INSTALL AC_PROG_LN_S AM_PROG_LEX AC_PROG_YACC case "$host" in *-*-linux*) ;; *) AC_MSG_ERROR([Linux only, dude!]);; esac dnl Dependencies if test -z "$ac_cv_prog_YACC" then echo "*** Error: No suitable bison/yacc found. ***" echo " Please install the 'bison' package." exit 1 fi if test -z "$ac_cv_prog_LEX" then echo "*** Error: No suitable flex/lex found. ***" echo " Please install the 'flex' package." exit 1 fi AC_MSG_CHECKING(flex version) flex_version=`$ac_cv_prog_LEX --version | sed 's/version//g' | awk '/flex/ {print $2}'` flex_major=`echo $flex_version| cut -d . -f 1` flex_minor=`echo $flex_version| cut -d . -f 2` flex_rev=`echo $flex_version| cut -d . -f 3` if test "$flex_major" -eq "2" && test "$flex_minor" -eq "5" && test "$flex_rev" -ge "33"; then AC_MSG_RESULT([$flex_version. OK]) else AC_MSG_WARN([flex version $flex_version found. Version 2.5.33 or greater is required. You may experience problems while compilating the conntrack-tools. Please, consider to upgrade flex.]) fi AC_ARG_ENABLE([cthelper], AS_HELP_STRING([--disable-cthelper], [Do not build userspace helper support]), [enable_cthelper="no"], [enable_cthelper="yes"]) AC_ARG_ENABLE([cttimeout], AS_HELP_STRING([--disable-cttimeout], [Do not build timeout support]), [enable_cttimeout="no"], [enable_cttimeout="yes"]) PKG_CHECK_MODULES([LIBNFNETLINK], [libnfnetlink >= 1.0.1]) PKG_CHECK_MODULES([LIBMNL], [libmnl >= 1.0.3]) PKG_CHECK_MODULES([LIBNETFILTER_CONNTRACK], [libnetfilter_conntrack >= 1.0.4]) AS_IF([test "x$enable_cttimeout" = "xyes"], [ PKG_CHECK_MODULES([LIBNETFILTER_CTTIMEOUT], [libnetfilter_cttimeout >= 1.0.0]) ]) AM_CONDITIONAL([HAVE_CTTIMEOUT], [test "x$enable_cttimeout" = "xyes"]) AS_IF([test "x$enable_cthelper" = "xyes"], [ PKG_CHECK_MODULES([LIBNETFILTER_CTHELPER], [libnetfilter_cthelper >= 1.0.0]) PKG_CHECK_MODULES([LIBNETFILTER_QUEUE], [libnetfilter_queue >= 1.0.2]) AC_DEFINE([BUILD_CTHELPER], [1], [Building cthelper support]) ]) AM_CONDITIONAL([HAVE_CTHELPER], [test "x$enable_cthelper" = "xyes"]) AC_CHECK_HEADERS([linux/capability.h],, [AC_MSG_ERROR([Cannot find linux/capabibility.h])]) # Checks for libraries. # FIXME: Replace `main' with a function in `-lc': dnl AC_CHECK_LIB([c], [main]) # FIXME: Replace `main' with a function in `-ldl': AC_CHECK_HEADERS(arpa/inet.h) dnl check for inet_pton AC_CHECK_FUNCS(inet_pton) dnl Some systems have it, but not IPv6 if test "$ac_cv_func_inet_pton" = "yes" ; then AC_MSG_CHECKING(if inet_pton supports IPv6) AC_RUN_IFELSE([AC_LANG_SOURCE([[ #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #ifdef HAVE_NETINET_IN_H #include #endif #ifdef HAVE_ARPA_INET_H #include #endif int main() { struct in6_addr addr6; if (inet_pton(AF_INET6, "::1", &addr6) < 1) exit(1); else exit(0); } ]])],[ AC_MSG_RESULT(yes) AC_DEFINE_UNQUOTED(HAVE_INET_PTON_IPV6, 1, [Define to 1 if inet_pton supports IPv6.]) ],[AC_MSG_RESULT(no)],[AC_MSG_RESULT(no)]) fi # Checks for header files. dnl AC_HEADER_STDC dnl AC_CHECK_HEADERS([netinet/in.h stdlib.h]) # Checks for typedefs, structures, and compiler characteristics. dnl AC_C_CONST dnl AC_C_INLINE # Checks for library functions. dnl AC_FUNC_MALLOC dnl AC_FUNC_VPRINTF dnl AC_CHECK_FUNCS([memset]) dnl AC_CONFIG_FILES([Makefile dnl debug/Makefile dnl debug/src/Makefile dnl extensions/Makefile dnl src/Makefile]) if test ! -z "$libdir"; then MODULE_DIR="\\\"$libdir/conntrack-tools/\\\"" CFLAGS="$CFLAGS -DCONNTRACKD_LIB_DIR=$MODULE_DIR" fi AC_CONFIG_FILES([Makefile src/Makefile include/Makefile include/linux/Makefile include/linux/netfilter/Makefile extensions/Makefile src/helpers/Makefile]) AC_OUTPUT echo " conntrack-tools configuration: userspace conntrack helper support: ${enable_cthelper} conntrack timeout support: ${enable_cttimeout}" conntrack-1.4.3/conntrack.8000066400000000000000000000266401257407526400156000ustar00rootroot00000000000000.TH CONNTRACK 8 "Sep 25, 2014" "" "" .\" Man page written by Harald Welte /proc/sys/net/netfilter/nf_conntrack_timestamp). The labels output option tells conntrack to show the names of connection tracking labels that might be present. .TP .BI "-e, --event-mask " "[ALL|NEW|UPDATES|DESTROY][,...]" Set the bitmask of events that are to be generated by the in-kernel ctnetlink event code. Using this parameter, you can reduce the event messages generated by the kernel to those types to those that you are actually interested in. . This option can only be used in conjunction with "\-E, \-\-event". .TP .BI "-b, --buffer-size " "value (in bytes)" Set the Netlink socket buffer size. This option is useful if the command line tool reports ENOBUFS errors. If you do not pass this option, the default value available at /proc/sys/net/core/rmem_default is used. The tool reports this problem if your process is too slow to handle all the event messages or, in other words, if the amount of events are big enough to overrun the socket buffer. Note that using a big buffer reduces the chances to hit ENOBUFS, however, this results in more memory consumption. . This option can only be used in conjunction with "\-E, \-\-event". .SS FILTER PARAMETERS .TP .BI "-s, --orig-src " IP_ADDRESS Match only entries whose source address in the original direction equals the one specified as argument. .TP .BI "-d, --orig-dst " IP_ADDRESS Match only entries whose destination address in the original direction equals the one specified as argument. .TP .BI "-r, --reply-src " IP_ADDRESS Match only entries whose source address in the reply direction equals the one specified as argument. .TP .BI "-q, --reply-dst " IP_ADDRESS Match only entries whose destination address in the reply direction equals the one specified as argument. .TP .BI "-p, --proto " "PROTO " Specify layer four (TCP, UDP, ...) protocol. .TP .BI "-f, --family " "PROTO" Specify layer three (ipv4, ipv6) protocol This option is only required in conjunction with "\-L, \-\-dump". If this option is not passed, the default layer 3 protocol will be IPv4. .TP .BI "-t, --timeout " "TIMEOUT" Specify the timeout. .TP .BI "-m, --mark " "MARK[/MASK]" Specify the conntrack mark. Optionally, a mask value can be specified. In "\-\-update" mode, this mask specifies the bits that should be zeroed before XORing the MARK value into the ctmark. Otherwise, the mask is logically ANDed with the existing mark before the comparision. In "\-\-create" mode, the mask is ignored. .TP .BI "-l, --label " "LABEL" Specify a conntrack label. This option is only available in conjunction with "\-L, \-\-dump", "\-E, \-\-event", or "\-U \-\-update". Match entries whose labels match at least those specified. Use multiple \-l commands to specify multiple labels that need to be set. Match entries whose labels matches at least those specified as arguments. .BI "--label-add " "LABEL" Specify the conntrack label to add to to the selected conntracks. This option is only available in conjunction with "\-I, \-\-create" or "\-U, \-\-update". .BI "--label-del " "[LABEL]" Specify the conntrack label to delete from the selected conntracks. If no label is given, all labels are deleted. This option is only available in conjunction with "\-U, \-\-update". .TP .BI "-c, --secmark " "SECMARK" Specify the conntrack selinux security mark. .TP .BI "-u, --status " "[ASSURED|SEEN_REPLY|FIXED_TIMEOUT|EXPECTED|UNSET][,...]" Specify the conntrack status. .TP .BI "-n, --src-nat " Filter source NAT connections. .TP .BI "-g, --dst-nat " Filter destination NAT connections. .TP .BI "-j, --any-nat " Filter any NAT connections. .TP .BI "-w, --zone " Filter by conntrack zone. See iptables CT target for more information. .TP .BI "--tuple-src " IP_ADDRESS Specify the tuple source address of an expectation. .TP .BI "--tuple-dst " IP_ADDRESS Specify the tuple destination address of an expectation. .TP .BI "--mask-src " IP_ADDRESS Specify the source address mask of an expectation. .TP .BI "--mask-dst " IP_ADDRESS Specify the destination address mask of an expectation. .SS PROTOCOL FILTER PARAMETERS .TP TCP-specific fields: .TP .BI "--sport, --orig-port-src " "PORT" Source port in original direction .TP .BI "--dport, --orig-port-dst " "PORT" Destination port in original direction .TP .BI "--reply-port-src " "PORT" Source port in reply direction .TP .BI "--reply-port-dst " "PORT" Destination port in reply direction .TP .BI "--state " "[NONE | SYN_SENT | SYN_RECV | ESTABLISHED | FIN_WAIT | CLOSE_WAIT | LAST_ACK | TIME_WAIT | CLOSE | LISTEN]" TCP state .TP UDP-specific fields: .TP .BI "--sport, --orig-port-src " "PORT" Source port in original direction .TP .BI "--dport, --orig-port-dst " "PORT" Destination port in original direction .TP .BI "--reply-port-src " "PORT" Source port in reply direction .TP .BI "--reply-port-dst " "PORT" Destination port in reply direction .TP ICMP-specific fields: .TP .BI "--icmp-type " "TYPE" ICMP Type. Has to be specified numerically. .TP .BI "--icmp-code " "CODE" ICMP Code. Has to be specified numerically. .TP .BI "--icmp-id " "ID" ICMP Id. Has to be specified numerically (non-mandatory) .TP UDPlite-specific fields: .TP .BI "--sport, --orig-port-src " "PORT" Source port in original direction .TP .BI "--dport, --orig-port-dst " "PORT" Destination port in original direction .TP .BI "--reply-port-src " "PORT" Source port in reply direction .TP .BI "--reply-port-dst " "PORT" Destination port in reply direction .TP SCTP-specific fields: .TP .BI "--sport, --orig-port-src " "PORT" Source port in original direction .TP .BI "--dport, --orig-port-dst " "PORT" Destination port in original direction .TP .BI "--reply-port-src " "PORT" Source port in reply direction .TP .BI "--reply-port-dst " "PORT" Destination port in reply direction .TP .BI "--state " "[NONE | CLOSED | COOKIE_WAIT | COOKIE_ECHOED | ESTABLISHED | SHUTDOWN_SENT | SHUTDOWN_RECD | SHUTDOWN_ACK_SENT]" SCTP state .TP .BI "--orig-vtag " "value" Verification tag (32-bits value) in the original direction .TP .BI "--reply-vtag " "value" Verification tag (32-bits value) in the reply direction .TP DCCP-specific fields (needs Linux >= 2.6.30): .TP .BI "--sport, --orig-port-src " "PORT" Source port in original direction .TP .BI "--dport, --orig-port-dst " "PORT" Destination port in original direction .TP .BI "--reply-port-src " "PORT" Source port in reply direction .TP .BI "--reply-port-dst " "PORT" Destination port in reply direction .TP .BI "--state " "[NONE | REQUEST | RESPOND | PARTOPEN | OPEN | CLOSEREQ | CLOSING | TIMEWAIT]" DCCP state .BI "--role " "[client | server]" Role that the original conntrack tuple is tracking .TP GRE-specific fields: .TP .BI "--srckey, --orig-key-src " "KEY" Source key in original direction (in hexadecimal or decimal) .TP .BI "--dstkey, --orig-key-dst " "KEY" Destination key in original direction (in hexadecimal or decimal) .TP .BI "--reply-key-src " "KEY" Source key in reply direction (in hexadecimal or decimal) .TP .BI "--reply-key-dst " "KEY" Destination key in reply direction (in hexadecimal or decimal) .TP .SH DIAGNOSTICS The exit code is 0 for correct function. Errors which appear to be caused by invalid command line parameters cause an exit code of 2. Any other errors cause an exit code of 1. .SH EXAMPLES .TP .B conntrack \-L Show the connection tracking table in /proc/net/ip_conntrack format .TP .B conntrack \-L -o extended Show the connection tracking table in /proc/net/nf_conntrack format .TP .B conntrack \-L \-o xml Show the connection tracking table in XML .TP .B conntrack \-L -f ipv6 -o extended Only dump IPv6 connections in /proc/net/nf_conntrack format .TP .B conntrack \-L --src-nat Show source NAT connections .TP .B conntrack \-E \-o timestamp Show connection events together with the timestamp .TP .B conntrack \-D \-s 1.2.3.4 Delete all flow whose source address is 1.2.3.4 .TP .B conntrack \-U \-s 1.2.3.4 \-m 1 Set connmark to 1 of all the flows whose source address is 1.2.3.4 .SH BUGS Please, report them to netfilter-devel@vger.kernel.org or file a bug in Netfilter's bugzilla (https://bugzilla.netfilter.org). .SH SEE ALSO .BR iptables (8) .br See .BR "http://conntrack-tools.netfilter.org" .SH AUTHORS Jay Schulist, Patrick McHardy, Harald Welte and Pablo Neira Ayuso wrote the kernel-level "ctnetlink" interface that is used by the conntrack tool. .PP Pablo Neira Ayuso wrote and maintain the conntrack tool, Harald Welte added support for conntrack based accounting counters. .PP Man page written by Harald Welte and Pablo Neira Ayuso . conntrack-1.4.3/conntrackd.8000066400000000000000000000122471257407526400157420ustar00rootroot00000000000000.TH CONNTRACKD 8 "Sep 25, 2014" "" "" .\" Man page written by Pablo Neira Ayuso (Dec 2007) .SH NAME conntrackd \- netfilter connection tracking user-space daemon .SH SYNOPSIS .BR "conntrackd [options]" .SH DESCRIPTION .B conntrackd is the user-space daemon for the netfilter connection tracking system. This daemon synchronizes connection tracking states between several replica firewalls. Thus, .B conntrackd can be used to deploy highly available stateful firewalls. The daemon supports Primary-Backup and Multiprimary setups. The daemon can also be used as statistics collector. .SH OPTIONS The options recognized by .B conntrackd can be divided into several different groups. .SS MODES These options specify the particular operation mode in which conntrackd runs. Only one of them can be specified at any given time. .TP .BI "-d " Run conntrackd in daemon mode. .SS CLIENT COMMANDS .B conntrackd can be used in client mode to request several information and operations to a running daemon .TP .BI "-i "[ct|expect]" Dump the internal cache, i.e. show local states .TP .BI "-e "[ct|expect]" Dump the external cache, i.e. show foreign states .TP .BI "-x " Display output in XML format. This option is only valid in combination with "\-i" and "\-e" parameters. .TP .BI "-f " "[|internal|external]" Flush the internal and/or external cache .TP .BI "-F [ct|expect]" Flush the kernel conntrack table (if you use a Linux kernel >= 2.6.29, this option will not flush your internal and external cache). .TP .BI "-c " Commit external cache to conntrack table. .TP .BI "-B " Force a bulk send to other replica firewalls. With this command, you will ask conntrackd to send the state-entries that it owns to others. .TP .BI "-n " Request resync with other node (only FT-FW and NOTRACK modes). .TP .BI "-k " Kill the daemon .TP .BI "-s " "[|network|cache|runtime|link|rsqueue|process|queue|ct|expect]" Dump statistics. If no parameter is passed, it displays the general statistics. If "network" is passed as parameter it displays the networking statistics. If "cache" is passed as parameter, it shows the extended cache statistics. If "runtime" is passed as parameter, it shows the run-time statistics. If "process" is passed as parameter, it shows existing child processes (if any). If "queue" is passed as parameter, it shows queue statistics. If "ct" is passed, it displays the general statistics. If "expect" is passed as parameter, it shows expectation statistics. .TP .BI "-R " "[ct|expect]" Force a resync against the kernel connection tracking table .TP .BI "-t " Reset the in-kernel timers (See PurgeTimeout clause) .TP .BI "-v " Display version information. .TP .BI "-h " Display help information. .TP .BI "-C config file" Configuration file path. .TP .SH DIAGNOSTICS The exit code is 0 for correct function. Errors cause an exit code of 1. .SH EXAMPLES The following example are illustrative, for a real use in a firewall fail-over, check the primary-backup.sh script that comes with the sources. .TP .B conntrackd \-d Runs conntrackd in daemon and synchronization mode .TP .B conntrackd \-i Dumps the states held in the internal cache, i.e. those handled by this firewall .TP .B conntrackd \-e Dumps the states held in the external cache, i.e. those handled by other replica firewalls .TP .B conntrackd \-c Commits the external cache into the kernel connection tracking system. This is used to inject the state so that the connections can be recovered during the failover. .SH DEPENDENCIES This daemon requires a Linux kernel version >= 2.6.18. TCP window tracking support requires >= 2.6.22, otherwise you have to disable it. Helpers are fully supported since >= 2.6.25, however, if you use any previous version, depending on the protocol helper and your setup (e.g. if you setup performs NAT sequence adjustments or not), your help connection may be successfully recovered. .TP There are several unsupported stateful iptables matches such as recent, connbytes and the quota matches which gather internal information to operate. Since that information does not belong to the domain of the connection tracking system, connections affected by those matches may not be fully recovered during the takeover. .TP The daemon requires a Linux kernel version >= 2.6.26 to support kernel-space event filtering. Otherwise, all the event filtering is done in userspace with the corresponding extra overhead. If you are not using the Filter clause in the configuration file, ignore this notice. .SH INCOMPATIBILITIES During the 0.9.9 development, some important changes in the replication message format were introduced. Therefore, conntrackd >= 0.9.9 will not work appropriately with conntrackd <= 0.9.8. This should not be a problem if you use the same conntrackd version in all the firewall replica nodes. .SH SEE ALSO .BR conntrack (8), iptables (8) .br See .BR "http://conntrack-tools.netfilter.org" .SH BUGS Please, report them to netfilter-devel@vger.kernel.org or file a bug in Netfilter's bugzilla (https://bugzilla.netfilter.org). .SH AUTHORS Pablo Neira Ayuso wrote and maintains the conntrackd tool .TP Please send bug reports to . Subscription is required. .PP Man page written by Pablo Neira Ayuso . conntrack-1.4.3/doc/000077500000000000000000000000001257407526400142625ustar00rootroot00000000000000conntrack-1.4.3/doc/cli/000077500000000000000000000000001257407526400150315ustar00rootroot00000000000000conntrack-1.4.3/doc/cli/test.sh000066400000000000000000000051321257407526400163450ustar00rootroot00000000000000CONNTRACK=conntrack SRC=1.1.1.1 DST=2.2.2.2 SPORT=2005 DPORT=21 case $1 in dump) echo "Dumping conntrack table" $CONNTRACK -L ;; flush) echo "Flushing conntrack table" $CONNTRACK -F ;; new) echo "creating a new conntrack" $CONNTRACK -I --orig-src $SRC --orig-dst $DST \ --reply-src $DST --reply-dst $SRC -p tcp \ --orig-port-src $SPORT --orig-port-dst $DPORT \ --reply-port-src $DPORT --reply-port-dst $SPORT \ --state LISTEN -u SEEN_REPLY -t 50 ;; new-simple) echo "creating a new conntrack (simplified)" $CONNTRACK -I -s $SRC -d $DST \ -p tcp --sport $SPORT --dport $DPORT \ --state LISTEN -u SEEN_REPLY -t 50 ;; new-nat) echo "creating a new conntrack (NAT)" $CONNTRACK -I -s $SRC -d $DST \ -p tcp --sport $SPORT --dport $DPORT \ --state LISTEN -u SEEN_REPLY -t 50 --dst-nat 8.8.8.8 ;; get) echo "getting a conntrack" $CONNTRACK -G -s $SRC -d $DST \ -p tcp --sport $SPORT --dport $DPORT ;; change) echo "change a conntrack" $CONNTRACK -U -s $SRC -d $DST \ -p tcp --sport $SPORT --dport $DPORT \ --state TIME_WAIT -u ASSURED,SEEN_REPLY -t 500 ;; delete) $CONNTRACK -D -s $SRC -d $DST \ -p tcp --sport $SPORT --dport $DPORT ;; output) proc=$(cat /proc/net/ip_conntrack | wc -l) netl=$($CONNTRACK -L | wc -l) count=$(cat /proc/sys/net/ipv4/netfilter/ip_conntrack_count) if [ $proc -ne $netl ]; then echo "proc is $proc and netl is $netl and count is $count" else if [ $proc -ne $count ]; then echo "proc is $proc and netl is $netl and count is $count" else echo "now $proc" fi fi ;; dump-expect) $CONNTRACK -L expect ;; flush-expect) $CONNTRACK -F expect ;; create-expect) # requires modprobe ip_conntrack_ftp $CONNTRACK -I expect --orig-src $SRC --orig-dst $DST \ --tuple-src 4.4.4.4 --tuple-dst 5.5.5.5 \ --mask-src 255.255.255.0 --mask-dst 255.255.255.255 \ -p tcp --orig-port-src $SPORT --orig-port-dst $DPORT \ -t 200 --tuple-port-src 10240 --tuple-port-dst 10241\ --mask-port-src 10 --mask-port-dst 300 ;; get-expect) $CONNTRACK -G expect --orig-src 4.4.4.4 --orig-dst 5.5.5.5 \ --p tcp --orig-port-src 10240 --orig-port-dst 10241 ;; delete-expect) $CONNTRACK -D expect --orig-src 4.4.4.4 \ --orig-dst 5.5.5.5 -p tcp --orig-port-src 10240 \ --orig-port-dst 10241 ;; *) echo "Usage: $0 [dump" echo " |new" echo " |new-simple" echo " |new-nat" echo " |get" echo " |change" echo " |delete" echo " |output" echo " |flush" echo " |dump-expect" echo " |flush-expect" echo " |create-expect" echo " |get-expect" echo " |delete-expect]" ;; esac conntrack-1.4.3/doc/helper/000077500000000000000000000000001257407526400155415ustar00rootroot00000000000000conntrack-1.4.3/doc/helper/conntrackd.conf000066400000000000000000000045531257407526400205450ustar00rootroot00000000000000# # Helper settings # Helper { # Before this, you have to make sure you have registered the `ftp' # user-space helper stub via: # # nfct add helper ftp inet tcp # Type ftp inet tcp { # # Set NFQUEUE number you want to use to receive traffic from # the kernel. # QueueNum 0 # # Maximum number of packets waiting in the queue to receive # a verdict from user-space. Default is 1024. # # Rise value if you hit the following error message: # "nf_queue: full at X entries, dropping packets(s)" # QueueLen 10240 # # Set the Expectation policy for this helper. # Policy ftp { # # Maximum number of simultaneous expectations # ExpectMax 1 # # Maximum living time for one expectation (in seconds). # ExpectTimeout 300 } } Type rpc inet tcp { QueueNum 1 QueueLen 10240 Policy rpc { ExpectMax 1 ExpectTimeout 300 } } Type rpc inet udp { QueueNum 2 QueueLen 10240 Policy rpc { ExpectMax 1 ExpectTimeout 300 } } Type tns inet tcp { QueueNum 3 QueueLen 10240 Policy tns { ExpectMax 1 ExpectTimeout 300 } } Type dhcpv6 inet6 udp { QueueNum 4 QueueLen 10240 Policy dhcpv6 { ExpectMax 1 ExpectTimeout 300 } } Type ssdp inet udp { QueueNum 5 QueueLen 10240 Policy ssdp { ExpectMax 1 ExpectTimeout 300 } } } # # General settings # General { # # Set the nice value of the daemon, this value goes from -20 # (most favorable scheduling) to 19 (least favorable). Using a # very low value reduces the chances to lose state-change events. # Default is 0 but this example file sets it to most favourable # scheduling as this is generally a good idea. See man nice(1) for # more information. # Nice -20 # # Select a different scheduler for the daemon, you can select between # RR and FIFO and the process priority (minimum is 0, maximum is 99). # See man sched_setscheduler(2) for more information. Using a RT # scheduler reduces the chances to overrun the Netlink buffer. # # Scheduler { # Type FIFO # Priority 99 # } # # Logfile: on (/var/log/conntrackd.log), off, or a filename # Default: off # LogFile on # # Syslog: on, off or a facility name (daemon (default) or local0..7) # Default: off # #Syslog on # # Lockfile # LockFile /var/lock/conntrack.lock # # Unix socket configuration # UNIX { Path /var/run/conntrackd.ctl Backlog 20 } } conntrack-1.4.3/doc/manual/000077500000000000000000000000001257407526400155375ustar00rootroot00000000000000conntrack-1.4.3/doc/manual/Makefile000066400000000000000000000001541257407526400171770ustar00rootroot00000000000000html-no-chunks: xmlto xhtml-nochunks -m config.xsl conntrack-tools.tmpl clean: rm -f conntrack-tools.html conntrack-1.4.3/doc/manual/config.xsl000066400000000000000000000007321257407526400175360ustar00rootroot00000000000000 conntrack-1.4.3/doc/manual/conntrack-tools.tmpl000066400000000000000000001370321257407526400215630ustar00rootroot00000000000000 The conntrack-tools user manual Pablo Neira Ayuso
pablo@netfilter.org
2008-2012 Pablo Neira Ayuso Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License". This document details how to install and configure the conntrack-tools >= 1.4.0. This document will evolve in the future to cover new features and changes. Introduction This document should be a kick-off point to install and configure the conntrack-tools. If you find any error or imprecision in this document, please send an email to the author, it will be appreciated. In this document, the author assumes that the reader is familiar with firewalling concepts and iptables in general. If this is not your case, I suggest you to read the iptables documentation before going ahead. Moreover, the reader must also understand the difference between stateful and stateless firewalls. If this is not your case, I strongly suggest you to read the article Netfilter's Connection Tracking System published in :login; the USENIX magazine. That document contains a general description that should help to clarify the concepts. If you do not fulfill the previous requirements, this documentation is likely to be a source of frustration. Probably, you wonder why I'm insisting on these prerequisites too much, the fact is that if your iptables rule-set is stateless, it is very likely that the conntrack-tools will not be of any help for you. You have been warned! What are the conntrack-tools? The conntrack-tools are a set of free software tools for GNU/Linux that allow system administrators interact, from user-space, with the in-kernel Connection Tracking System, which is the module that enables stateful packet inspection for iptables. Probably, you did not hear about this module so far. However, if any of the rules of your rule-set use the state or ctstate iptables matches, you are indeed using it. The conntrack-tools package contains two programs: conntrack is command line interface conntrack provides a more flexible interface to the connnection tracking system than /proc/net/ip_conntrack. With conntrack, you can show, delete and update the existing state entries; and you can also listen to flow events. conntrackd is the user-space connection tracking daemon. This daemon can be used to deploy fault-tolerant GNU/Linux firewalls but you can also use it to collect flow-based statistics of the firewall use. Although the name of both tools is very similar - and you can blame me for that, I'm not a marketing guy - they are used for very different tasks. Requirements You have to install the following software in order to get the conntrack-tools working. Make sure that you have installed them correctly before going ahead: Linux kernel version >= 2.6.18 that, at least, has support for: Connection Tracking System. CONFIG_NF_CONNTRACK=m CONFIG_NF_CONNTRACK_IPV4=m CONFIG_NF_CONNTRACK_IPV6=m (if your setup supports IPv6) nfnetlink: the generic messaging interface for Netfilter. CONFIG_NETFILTER_NETLINK=m nf_conntrack_netlink: the messaging interface for the Connection Tracking System. CONFIG_NF_CT_NETLINK=m connection tracking event notification API: the flow-based event notification interface. CONFIG_NF_CONNTRACK_EVENTS=y Verifying kernel support Make sure you have loaded nf_conntrack, nf_conntrack_ipv4 (if your setup also supports IPv6, nf_conntrack_ipv6) and nf_conntrack_netlink. libnfnetlink: the netfilter netlink library use the official release available in netfilter.org libnetfilter_conntrack: the netfilter netlink library use the official release available in netfilter.org Installation To compile and install the conntrack-tools run the following commands: (non-root)$ tar xvjf conntrack-tools-x.x.x.tar.bz2 (non-root)$ cd conntrack-tools-x.x.x (non-root)$ ./configure --prefix=/usr (non-root)$ make (root) # make install Fedora Users If you are installing the libraries in /usr/local/, do not forget to do the following things: PKG_CONFIG_PATH=/usr/local/lib/pkgconfig; export PKG_CONFIG_PATH Add `/usr/local/lib' to your /etc/ld.so.conf file and run `ldconfig' Check `ldd' for trouble-shooting, read this for more information on how libraries work. Verifying kernel support To check that the modules are enabled in the kernel, run `conntrack -E' and generate traffic, you should see flow events reporting new connections and updates. Using conntrack: the command line interface The /proc/net/ip_conntrack interface is very limited as it only allows you to display the existing flows, their state and other information: # cat /proc/net/ip_conntrack tcp 6 431982 ESTABLISHED src=192.168.2.100 dst=123.59.27.117 sport=34846 dport=993 packets=169 bytes=14322 src=123.59.27.117 dst=192.168.2.100 sport=993 dport=34846 packets=113 bytes=34787 [ASSURED] mark=0 secmark=0 use=1 tcp 6 431698 ESTABLISHED src=192.168.2.100 dst=123.59.27.117 sport=34849 dport=993 packets=244 bytes=18723 src=123.59.27.117 dst=192.168.2.100 sport=993 dport=34849 packets=203 bytes=144731 [ASSURED] mark=0 secmark=0 use=1 The command line tool conntrack can be used to display the same information: # conntrack -L tcp 6 431982 ESTABLISHED src=192.168.2.100 dst=123.59.27.117 sport=34846 dport=993 packets=169 bytes=14322 src=123.59.27.117 dst=192.168.2.100 sport=993 dport=34846 packets=113 bytes=34787 [ASSURED] mark=0 secmark=0 use=1 tcp 6 431698 ESTABLISHED src=192.168.2.100 dst=123.59.27.117 sport=34849 dport=993 packets=244 bytes=18723 src=123.59.27.117 dst=192.168.2.100 sport=993 dport=34849 packets=203 bytes=144731 [ASSURED] mark=0 secmark=0 use=1 conntrack v0.9.7 (conntrack-tools): 2 flow entries have been shown. You can natively filter the output without using grep: # conntrack -L -p tcp --dport 34856 tcp 6 431982 ESTABLISHED src=192.168.2.100 dst=123.59.27.117 sport=34846 dport=993 packets=169 bytes=14322 src=123.59.27.117 dst=192.168.2.100 sport=993 dport=34846 packets=113 bytes=34787 [ASSURED] mark=0 secmark=0 use=1 conntrack v0.9.7 (conntrack-tools): 1 flow entries have been shown. Update the mark based on a selection, this allows you to change the mark of an entry without using the CONNMARK target: # conntrack -U -p tcp --dport 3486 --mark 10 tcp 6 431982 ESTABLISHED src=192.168.2.100 dst=123.59.27.117 sport=34846 dport=993 packets=169 bytes=14322 src=123.59.27.117 dst=192.168.2.100 sport=993 dport=34846 packets=113 bytes=34787 [ASSURED] mark=1 secmark=0 use=1 conntrack v0.9.7 (conntrack-tools): 1 flow entries has been updated. Delete one entry, this can be used to block traffic if: You have a stateful rule-set that blocks traffic in INVALID state. You have set /proc/sys/net/ipv4/netfilter/ip_conntrack_tcp_loose or /proc/sys/net/netfilter/nf_conntrack_tcp_loose, depending on your kernel version, to zero. # conntrack -D -p tcp --dport 3486 tcp 6 431982 ESTABLISHED src=192.168.2.100 dst=123.59.27.117 sport=34846 dport=993 packets=169 bytes=14322 src=123.59.27.117 dst=192.168.2.100 sport=993 dport=34846 packets=113 bytes=34787 [ASSURED] mark=1 secmark=0 use=1 conntrack v0.9.7 (conntrack-tools): 1 flow entries has been deleted. Display the connection tracking events: # conntrack -E [NEW] udp 17 30 src=192.168.2.100 dst=192.168.2.1 sport=57767 dport=53 [UNREPLIED] src=192.168.2.1 dst=192.168.2.100 sport=53 dport=57767 [UPDATE] udp 17 29 src=192.168.2.100 dst=192.168.2.1 sport=57767 dport=53 src=192.168.2.1 dst=192.168.2.100 sport=53 dport=57767 [NEW] tcp 6 120 SYN_SENT src=192.168.2.100 dst=66.102.9.104 sport=33379 dport=80 [UNREPLIED] src=66.102.9.104 dst=192.168.2.100 sport=80 dport=33379 [UPDATE] tcp 6 60 SYN_RECV src=192.168.2.100 dst=66.102.9.104 sport=33379 dport=80 src=66.102.9.104 dst=192.168.2.100 sport=80 dport=33379 [UPDATE] tcp 6 432000 ESTABLISHED src=192.168.2.100 dst=66.102.9.104 sport=33379 dport=80 src=66.102.9.104 dst=192.168.2.100 sport=80 dport=33379 [ASSURED] You can also display the existing flows in XML format, filter the output based on the NAT handling applied, etc. Setting up conntrackd: the daemon The daemon conntrackd supports two working modes: State table synchronization: the daemon can be used to synchronize the connection tracking state table between several firewall replicas. This can be used to deploy fault-tolerant stateful firewalls. This is the main feature of the daemon. Flow-based statistics collection: the daemon can be used to collect flow-based statistics. This feature is similar to what ulogd-2.x provides. State table synchronization Requirements In order to get conntrackd working in synchronization mode, you have to fulfill the following requirements: A high availability manager like keepalived that manages the virtual IPs of the firewall cluster, detects errors, and decide when to migrate the virtual IPs from one firewall replica to another. Without it, conntrackd will not work appropriately. The state synchronization setup requires a working installation of keepalived, preferibly a recent version. Check if your distribution comes with a recent packaged version. Otherwise, you may compile it from the sources. There is a very simple example file in the conntrackd sources to setup a simple HA cluster with keepalived (see the file keepalived.conf under the doc/sync/ directory). This file can be used to set up a simple VRRP cluster composed of two machines that hold the virtual IPs 192.168.0.100 on eth0 and 192.168.1.100 on eth1. If you are not familiar with keepalived, please read the official documentation available at the keepalived website (http://www.keepalived.org). If you use a different high availability manager, make sure it works correctly before going ahead. A dedicated link. The dedicated link between the firewalls is used to transmit and receive the state information. The use of a dedicated link is mandatory for security reasons as someone may pick the state information that is transfered between the firewalls. A well-formed stateful rule-set. Otherwise you are likely to experience problems during the fail-over. An example of a well-formed stateful iptables rule-set is available in the conntrack-tools website. If your Linux kernel is < 2.6.22, you have to disable TCP window tracking: # echo 1 > /proc/sys/net/ipv4/netfilter/ip_conntrack_tcp_be_liberal Configuring the daemon The daemon conntrackd in synchronization mode supports up to three replication approaches: notrack: this approach is the most simple as it is based on a best effort replication protocol, ie. unreliable protocol. This protocol sends and receives the state information without performing any specific checking. ft-fw: this approach is based on a reliable protocol that performs message tracking. Thus, the protocol can recover from message loss, re-ordering and corruption. alarm: this approach is spamming. It is based on a alarm-based protocol that periodically re-sends the flow state to the backup firewall replicas. This protocol consumes a lot of bandwidth but it resolves synchronization problems fast. The three existing approaches are soft real-time asynchronous replication protocols that are aimed to have negligible impact in terms of latency and bandwidth throughput in the stateful firewall filtering. To configure conntrackd in any of the existing synchronization modes, you have to copy the example configuration file to the directory /etc/conntrackd/ on every firewall replica. Note that _type_ is the synchronization type selected. (conntrack-tools-x.x.x)# cp doc/_type_/conntrackd.conf /etc/conntrackd/conntrackd.conf Do not forget to edit the files before going ahead. There are several parameters that you have to tune to adapt the example configuration file to your setup. Configuration file location If you don't want to put the config file under /etc/conntrackd/, just tell conntrackd where to find it passing the option -C. Active-Backup setup Stateful firewall architectures A good reading to extend the information about firewall architectures is Demystifying cluster-based fault-tolerant firewalls published in IEEE Internet Computing magazine. In the Active-Backup setup, one of the stateful firewall replicas filters traffic and the other acts as backup. If you use this approach, you have to copy the script primary-backup.sh to: (conntrack-tools-x.x.x)# cp doc/sync/primary-backup.sh /etc/conntrackd/ The HA manager invokes this script when a transition happens, ie. If a stateful firewall replica: becomes active to recover the filtering. becomes backup. hits failure (this is available if the HA manager has a failure state, which is true for keepalived. The script is simple, and it contains the different actions that conntrackd performs to recover the filtering or purge obsolete entries from the state table, among others. The script is commented, you can have a look at it if you need further information. Active-Active setup The Active-Active setup consists of having more than one stateful firewall replicas actively filtering traffic. Thus, we reduce the resource waste that implies to have a backup firewall which does nothing. We can classify the type of Active-Active setups in several families: Symmetric path routing: The stateful firewall replicas share the workload in terms of flows, ie. the packets that are part of a flow are always filtered by the same firewall. Asymmetric multi-path routing: The packets that are part of a flow can be filtered by whatever stateful firewall in the cluster. Thus, every flow-states have to be propagated to all the firewalls in the cluster as we do not know which one would be the next to filter a packet. This setup goes against the design of stateful firewalls as we define the filtering policy based on flows, not in packets anymore. As for 0.9.8, the design of conntrackd allows you to deploy an symmetric Active-Active setup based on a static approach. For example, assume that you have two virtual IPs, vIP1 and vIP2, and two firewall replicas, FW1 and FW2. You can give the virtual vIP1 to the firewall FW1 and the vIP2 to the FW2. Unfortunately, you will have to wait for the support for the Active-Active setup based on dynamic approach, ie. a workload sharing setup without directors that allow the stateful firewall share the filtering. On the other hand, the asymmetric scenario may work if your setup fulfills several strong assumptions. However, in the opinion of the author of this work, the asymmetric setup goes against the design of stateful firewalls and conntrackd. Therefore, you have two choices here: you can deploy an Active-Backup setup or go back to your old stateless rule-set (in that case, the conntrack-tools will not be of any help anymore, of course). Launching conntrackd Once you have configured conntrackd, you can run in console mode which is an interactive mode, in that case type 'conntrackd' as root. (root)# conntrackd If you want to run conntrackd in daemon mode, then type: (root)# conntrackd -d You can verify that conntrackd is running by checking the log messages via ps. Moreover, if conntrackd is running fine, you can dump the current status of the daemon: # conntrackd -s cache internal: current active connections: 4 connections created: 4 failed: 0 connections updated: 0 failed: 0 connections destroyed: 0 failed: 0 cache external: current active connections: 0 connections created: 0 failed: 0 connections updated: 0 failed: 0 connections destroyed: 0 failed: 0 traffic processed: 0 Bytes 0 Pckts multicast traffic: 352 Bytes sent 0 Bytes recv 22 Pckts sent 0 Pckts recv 0 Error send 0 Error recv multicast sequence tracking: 0 Pckts mfrm 0 Pckts lost This command displays the number of entries in the internal and external cache: The internal cache contains the states that this firewall replica is filtering, ie. this is a cache of the kernel state table. The external cache contains the states that the other firewall replica is filtering. You can dump the internal cache with the following command: # conntrackd -i tcp 6 ESTABLISHED src=192.168.2.100 dst=139.174.175.20 sport=58491 dport=993 src=139.174.175.20 dst=192.168.2.100 sport=993 dport=58491 [ASSURED] mark=0 secmark=0 [active since 536s] tcp 6 ESTABLISHED src=192.168.2.100 dst=123.59.27.117 sport=38211 dport=993 src=123.59.27.117 dst=192.168.2.100 sport=993 dport=38211 [ASSURED] mark=0 secmark=0 [active since 536s] tcp 6 ESTABLISHED src=192.168.2.100 dst=123.59.27.117 sport=38209 dport=993 src=123.59.27.117 dst=192.168.2.100 sport=993 dport=38209 [ASSURED] mark=0 secmark=0 [active since 536s] tcp 6 TIME_WAIT src=192.168.2.100 dst=74.125.45.166 sport=42593 dport=80 src=74.125.45.166 dst=192.168.2.100 sport=80 dport=42593 [ASSURED] [active since 165s] tcp 6 ESTABLISHED src=192.168.2.100 dst=139.174.175.20 sport=37962 dport=993 src=139.174.175.20 dst=192.168.2.100 sport=993 dport=37962 [ASSURED] mark=0 secmark=0 [active since 536s] You can dump the external cache with the following command: # conntrackd -e If the replication works fine, conntrackd -s displays the active's internal cache should display the same number of entries than the backup's external cache and vice-versa. To verify that the recovery works fine, if you trigger a fail-over, the log files should display the following information: [Thu Sep 18 18:03:02 2008] (pid=9759) [notice] committing external cache [Thu Sep 18 18:03:02 2008] (pid=9759) [notice] Committed 1545 new entries This means that the state entries have been injected into the kernel correctly. Other configuration options The daemon allows several configuration options that you may want to enable. This section contains some information about them. Disabling external cache It is possible to disable the external cache. Thus, conntrackd directly injects the flow-states into the in-kernel Connection Tracking System of the backup firewall. You can do it by enabling the DisableExternalCache option in the conntrackd.conf configuration file: Sync { Mode FTFW { [...] DisableExternalCache Off } } You can also use this option with the NOTRACK and ALARM modes. This increases CPU consumption in the backup firewall but now you do not need to commit the flow-states during the master failures since they are already in the in-kernel Connection Tracking table. Moreover, you save memory in the backup firewall since you do not need to store the foreign flow-states anymore. Disabling internal cache You can also disable the internal cache by means of the DisableInternalCache option in the conntrackd.conf configuration file: Sync { Mode NOTRACK { [...] DisableInternalCache Off } } However, this option is only available for the NOTRACK mode. This mode provides unreliable flow-state synchronization between firewalls. Thus, if flow-states are lost during the synchronization, the protocol provides no way to recover them. Using UDP, TCP or multicast for flow-state synchronization You can use up to three different transport layer protocols to synchronize flow-state changes between the firewalls: UDP, TCP and Multicast. UDP and multicast are unreliable but together with the FT-FW mode provide partial reliable flow-state synchronization. The preferred choice is FT-FW over UDP, or multicast alternatively. TCP introduces latency in the flow-state synchronization due to the congestion control. Under flow-state message are lost, the FIFO delivery becomes also a problem since the backup firewall quickly gets out of sync. For that reason, its use is discouraged. Note that using TCP only makes sense with the NOTRACK mode. Redundant dedicated links You can set redundant dedicated links without using bonding, you have to configure as many redundant links as you want in the configuration file. In case of failure of the master dedicated link, conntrackd failovers to one of the backups. An example of this configuration is the following: Sync { Mode FTFW { [...] } # default master dedicated link UDP Default { IPv4_address 192.168.2.1 IPv4_Destination_Address 192.168.2.2 Port 3780 Interface eth3 SndSocketBuffer 24985600 RcvSocketBuffer 24985600 Checksum on } # backup dedicated link UDP { IPv4_address 192.168.1.3 IPv4_Destination_Address 192.168.1.4 Port 3780 Interface eth2 SndSocketBuffer 24985600 RcvSocketBuffer 24985600 Checksum on } [...] } Filtering Connection tracking events with iptables Since Linux kernel >= 2.6.34, iptables provides the CT iptables target that allows to reduce the amount of Connection Tracking events that are delivered to user-space. However, you will have to use a Linux kernel >= 2.6.38 to profit from this feature, since several aspects of the event filtering were broken. The following example shows how to only generate the assured and destroy events: # iptables -I PREROUTING -t raw -j CT --ctevents assured,destroy Assured flows One flow is assured if the firewall has seen traffic for it in both directions. Reducing the amount of events generated helps to reduce CPU consumption in the active firewall. Synchronization of expectations Check your Linux kernel version first The synchronization of expectations require a Linux kernel >= 3.5 to work appropriately. The connection tracking system provides helpers that allows you to filter multi-flow application protocols like FTP, H.323 and SIP among many others. These protocols usually split the control and data traffic in different flows. Moreover, the control flow usually announces layer 3 and 4 information to let the other peer know where the data flows will be open. This sort of protocols require that the firewall inspects the content of the packet, otherwise filtering by layer 3 and 4 selectors like addresses and ports become a real nightmare. Netfilter already provides the so-called helpers that track this protocol aspects to allow deploying appropriate filtering. These helpers create expectation entries that represent expected traffic that will arrive to the firewall according to the inspected packets. In case that you have enabled tracking of these protocols, you may want to enable the state-synchronization of expectation as well. Thus, established flows for this specific protocols will not suffer any disruption. To enable the expectation support in the configuration file, you have to use the following option: Sync { ... Options { ExpectationSync { ftp sip ras # for H.323 q.931 # for H.323 h.245 # for H.323 } } } The example above enables the synchronization of the expectations for the FTP, SIP and H.323 helpers. In my testbed, there are two firewalls in a primary-backup configuration running keepalived. They use a couple of floating cluster IP address (192.168.0.100 and 192.168.1.100) that are used by the client. These firewalls protect one FTP server (192.168.1.2) that will be accessed by one client. In ASCII art, it looks like this: 192.168.0.100 192.168.1.100 eth1 eth2 fw-1 / \ FTP client ------ ------ server 192.168.0.2 \ / 192.168.1.2 fw-2 This is the rule-set for the firewalls: -A FORWARD -m state --state RELATED -j ACCEPT -A FORWARD -i eth2 -m state --state ESTABLISHED -j ACCEPT -A FORWARD -i eth1 -p tcp -m tcp --dport 21 --tcp-flags FIN,SYN,RST,ACK SYN -m state --state NEW -j ACCEPT -A FORWARD -i eth1 -p tcp -m state --state ESTABLISHED -j ACCEPT -A FORWARD -m state --state INVALID -j LOG --log-prefix "invalid: " Before going ahead, make sure nf_conntrack_ftp is loaded. The following steps detail how to check that the expectation support works fine with FTP traffic: Switch to the client. Start one FTP control connection to one server that is protected by the firewalls, enter passive mode: (term-1) user@client$ nc 192.168.1.2 21 220 dummy FTP server USER anonymous 331 Please specify the password. PASS nothing 230 Login successful. PASV 227 Entering Passive Mode (192,168,1,2,163,11). This means that port 163*256+11=41739 will be used for the data traffic. I suggest you to read djb's FTP protocol description in case that you don't understand how this calculation is done. Switch to fw-1 (primary) to check that the expectation is in the internal cache. root@fw1# conntrackd -i exp proto=6 src=192.168.0.2 dst=192.168.1.2 sport=0 dport=41739 mask-src=255.255.255.255 mask-dst=255.255.255.255 sport=0 dport=65535 master-src=192.168.0.2 master-dst=192.168.1.2 sport=36390 dport=21 helper=ftp [active since 5s] Switch to fw-2 (backup) to check that the expectation has been successfully replicated. root@fw2# conntrackd -e exp proto=6 src=192.168.0.2 dst=192.168.1.2 sport=0 dport=41739 mask-src=255.255.255.255 mask-dst=255.255.255.255 sport=0 dport=65535 master-src=192.168.0.2 master-dst=192.168.1.2 sport=36390 dport=21 [active since 8s] Make the primary firewall fw-1 fail. Now fw-2 becomes primary. Switch to fw-2 (primary) to commit the external cache into the kernel. The logs should display that the commit was successful: root@fw2# tail -100f /var/log/conntrackd.log [Wed Dec 7 22:16:31 2011] (pid=19195) [notice] committing external cache: expectations [Wed Dec 7 22:16:31 2011] (pid=19195) [notice] Committed 1 new entries [Wed Dec 7 22:16:31 2011] (pid=19195) [notice] commit has taken 0.000366 seconds Switch to the client. Open a new terminal and connect to the port that has been announced by the server: (term-2) user@client$ nc -vvv 192.168.1.2 41739 (UNKNOWN) [192.168.1.2] 41739 (?) open Switch to term-1 and ask for the file listing: [...] 227 Entering Passive Mode (192,168,1,2,163,11). LIST Switch to term-2, it should display the listing. That means everything has worked fine. You may want to try disabling the expectation support and repeating the steps to check that it does not work without the state-synchronization. User-space helpers Check your Linux kernel version first The user-space helper infrastructure requires a Linux kernel >= 3.6 to work appropriately. Connection tracking helpers allows you to filter multi-flow protocols that usually separate control and data traffic into different flows. These protocols usually violate network layering by including layer 3/4 details, eg. IP address and TCP/UDP ports, in their application protocol (which resides in layer 7). This is problematic for gateways since they operate at packet-level, ie. layers 3/4, and therefore they miss this important information to filter these protocols appropriately. Helpers inspect packet content (at layer 7) and create the so-called expectations. These expectations are added to one internal table that resides in the gateway. For each new packet arriving to the gateway, the gateway first looks up for matching expectations. If there is any, then this flow is accepted since it's been expected. Note this lookup only occurs for the first packet that is part of one newly established flow, not for all packets. Since 1.4.0, conntrackd provides the infrastructure to develop helpers in user-space. The main features of the user-space infrastructure for helpers are: Rapid connection tracking helper development, as developing code in user-space is usually faster. Reliability: A buggy helper does not crash the kernel. If the helper fails, ie. the conntrackd crashes, Moreover, we can monitor the helper process and restart it in case of problems. Security: Avoid complex string matching and mangling in kernel-space running in privileged mode. Going further, we can even think about running user-space helper as a non-root process. It allows the development of very specific helpers for proprietary protocols that are not standard. This is the case of the SQL*net helper. Implementing this in kernel-space may be problematic, since this may not be accepted for ainline inclusion in the Linux kernel. As an alternative, we can still distribute this support as separate patches. However, my personal experience is that, given that the kernel API/ABI is not stable, changes in the interface lead to the breakage of the patch. This highly increase the overhead in the maintainance. Currently, the infrastructure supports the following user-space helpers: Oracle*TNS, to support its special Redirect message. NFSv3, mind that version 4 does not require this helper. FTP (this helper is also available in kernel-space). SSDP. The following steps describe how to enable the RPC portmapper helper for NFSv3 (this is similar for other helpers): Register user-space helper: nfct add helper rpc inet udp nfct add helper rpc inet tcp This registers the portmapper helper for both UDP and TCP (NFSv3 traffic goes both over TCP and UDP). Add iptables rule using the CT target: # iptables -I OUTPUT -t raw -p udp --dport 111 -j CT --helper rpc # iptables -I OUTPUT -t raw -p tcp --dport 111 -j CT --helper rpc With this, packets matching port TCP/UDP/111 are passed to user-space for inspection. If there is no instance of conntrackd configured to support user-space helpers, no inspection happens and packets are not sent to user-space. Add configuration to conntrackd.conf: Helper { Type rpc inet udp { QueueNum 1 QueueLen 10240 Policy rpc { ExpectMax 1 ExpectTimeout 300 } } Type rpc inet tcp { QueueNum 2 QueueLen 10240 Policy rpc { ExpectMax 1 ExpectTimeout 300 } } } This configures conntrackd to use NFQUEUE queue numbers 1 and 2 to send traffic for inspection to user-space If you have some custom libnetfilter_queue application Make sure your queue numbers do not collide with those used in your conntrackd.conf file. Now you can test this (assuming you have some working NFSv3 setup) with: mount -t nfs -onfsvers=3 mynfs.server.info:/srv/cvs /mnt/ You should see new expectations being added via: # conntrack -E expect [NEW] 300 proto=17 src=1.2.3.4 dst=1.2.3.4 sport=0 dport=54834 mask-src=255.255.255.255 mask-dst=255.255.255.255 sport=0 dport=65535 master-src=1.2.3.4 master-dst=1.2.3.4 sport=58190 dport=111 PERMANENT class=0 helper=rpc [NEW] 300 proto=6 src=1.2.3.4 dst=1.2.3.4 sport=0 dport=2049 mask-src=255.255.255.255 mask-dst=255.255.255.255 sport=0 dport=65535 master-src=1.2.3.4 master-dst=1.2.3.4 sport=55450 dport=111 PERMANENT class=0 helper=rpc [NEW] 300 proto=17 src=1.2.3.4 dst=1.2.3.4 sport=0 dport=58031 mask-src=255.255.255.255 mask-dst=255.255.255.255 sport=0 dport=65535 master-src=1.2.3.4 master-dst=1.2.3.4 sport=56309 dport=111 PERMANENT class=0 helper=rpc Troubleshooting Problems with conntrackd? The following list of questions should help for troubleshooting: I see packets lost in conntrackd -s You can rise the value of McastRcvSocketBuffer and McastRcvSocketBuffer, if the problem is due to buffer overruns in the multicast sender or the receiver, the problem should disapear. The log messages report that the maximum netlink socket buffer has been reached. You can increase the values of SocketBufferSize and SocketBufferSizeMaxGrown. I see can't open multicast server in the log messages Make sure that the IPv4_interface clause has the IP of the dedicated link. Can I use wackamole, heartattack or any other HA manager? Absolutely, you can. But before reporting issues, make sure that your HA manager is not the source of the problems. Does conntrackd support TCP flow-recovery with window tracking enabled? Yes, but you require a Linux kernel >= 2.6.36 and the conntrack-tools >= 0.9.15. To enable it, check the TCPWindowTracking clause in the example configuration files. Does conntrackd support the H.323 and SIP connection tracking helpers? Yes, conntrackd includes expectation support since version 1.2.0. Is there any way to set up a more verbose mode in the log message for debugging? No, but conntrackd provides lots of information that you can look up in runtime via -s option. You can check network statistics to find anomalies: # conntrackd -s network network statistics: recv: Malformed messages: 0 Wrong protocol version: 0 Malformed header: 0 Malformed payload: 0 Bad message type: 0 Truncated message: 0 Bad message size: 0 send: Malformed messages: 0 sequence tracking statistics: recv: Packets lost: 42726 Packets before: 0 UDP traffic (active device=eth3): 564232 Bytes sent 1979844 Bytes recv 2844 Pckts sent 8029 Pckts recv 0 Error send 0 Error recv You can check cache statistics: # conntrackd -s cache cache:internal active objects: 0 active/total entries: 0/ 0 creation OK/failed: 11068/ 0 no memory available: 0 no space left in cache: 0 update OK/failed: 4128/ 0 entry not found: 0 deletion created/failed: 11068/ 0 entry not found: 0 cache:external active objects: 0 active/total entries: 0/ 0 creation OK/failed: 10521/ 0 no memory available: 0 no space left in cache: 0 update OK/failed: 8832/ 0 entry not found: 0 deletion created/failed: 10521/ 0 entry not found: 0 You can check runtime miscelaneous statistics: # conntrackd -s runtime daemon uptime: 14 min netlink stats: events received: 24736 events filtered: 0 events unknown type: 0 catch event failed: 0 dump unknown type: 0 netlink overrun: 0 flush kernel table: 1 resync with kernel table: 0 current buffer size (in bytes): 8000000 runtime stats: child process failed: 0 child process segfault: 0 child process termsig: 0 select failed: 0 wait failed: 0 local read failed: 0 local unknown request: 0 You can check dedicated link statistics: # conntrackd -s link UDP traffic device=eth3 status=RUNNING role=ACTIVE: 566848 Bytes sent 1982612 Bytes recv 3018 Pckts sent 8203 Pckts recv 0 Error send 0 Error recv You can check network queue statistics: # conntrackd -s queue allocated queue nodes: 1 queue txqueue: current elements: 0 maximum elements: 2147483647 not enough space errors: 0 queue errorq: current elements: 0 maximum elements: 128 not enough space errors: 0 queue rsqueue: current elements: 1 maximum elements: 131072 not enough space errors: 0 conntrack-1.4.3/doc/manual/docbook.css000066400000000000000000000014511257407526400176720ustar00rootroot00000000000000/* stolen from "Making your DocBook/XML HTML output not suck" */ body { font-family: luxi sans,sans-serif; } .screen { font-family: monospace; font-size: 1em; display: block; padding: 10px; border: 1px solid #bbb; background-color: #eee; color: #000; overflow: auto; border-radius: 2.5px; -moz-border-radius: 2.5px; margin: 0.5em 2em; } .programlisting { font-family: monospace; font-size: 1em; display: block; padding: 10px; border: 1px solid #bbb; background-color: #ddd; color: #000; overflow: auto; border-radius: 2.5px; -moz-border-radius: 2.5px; margin: 0.5em 2em; } a { text-decoration: none; border-bottom: 1px dotted #000; } a:hover { background-color: #777; color: #fff; } conntrack-1.4.3/doc/stats/000077500000000000000000000000001257407526400154205ustar00rootroot00000000000000conntrack-1.4.3/doc/stats/conntrackd.conf000066400000000000000000000067701257407526400204270ustar00rootroot00000000000000# # General settings # General { # # Set the nice value of the daemon. This value goes from -20 # (most favorable scheduling) to 19 (least favorable). Using a # negative value reduces the chances to lose state-change events. # Default is 0. See man nice(1) for more information. # Nice -1 # # Select a different scheduler for the daemon, you can select between # RR and FIFO and the process priority (minimum is 0, maximum is 99). # See man sched_setscheduler(2) for more information. Using a RT # scheduler reduces the chances to overrun the Netlink buffer. # # Scheduler { # Type FIFO # Priority 99 # } # # Number of buckets in the caches: hash table # HashSize 8192 # # Maximum number of conntracks: # it must be >= $ cat /proc/sys/net/ipv4/netfilter/ip_conntrack_max # HashLimit 65535 # # Logfile: on (/var/log/conntrackd.log), off, or a filename # Default: off # #LogFile on # # Syslog: on, off or a facility name (daemon (default) or local0..7) # Default: off # #Syslog on # # Lockfile # LockFile /var/lock/conntrack.lock # # Unix socket configuration # UNIX { Path /var/run/conntrackd.ctl Backlog 20 } # # Netlink socket buffer size # NetlinkBufferSize 262142 # # Increase the socket buffer up to maximun if required # NetlinkBufferSizeMaxGrowth 655355 # # By default, the daemon receives state updates following an # event-driven model. You can modify this behaviour by switching to # polling mode with the PollSecs clause. This clause tells conntrackd # to dump the states in the kernel every N seconds. With regards to # synchronization mode, the polling mode can only guarantee that # long-lifetime states are recovered. The main advantage of this method # is the reduction in the state replication at the cost of reducing the # chances of recovering connections. # # PollSecs 15 # # Event filtering: This clause allows you to filter certain traffic, # There are currently three filter-sets: Protocol, Address and # State. The filter is attached to an action that can be: Accept or # Ignore. Thus, you can define the event filtering policy of the # filter-sets in positive or negative logic depending on your needs. # Filter { # # Accept only certain protocols: You may want to log the # state of flows depending on their layer 4 protocol. # Protocol Accept { TCP # UDP } # # Ignore traffic for a certain set of IP's. # Address Ignore { IPv4_address 127.0.0.1 # loopback # IPv6_address ::1 } # # Uncomment this line below if you want to filter by flow state. # The existing TCP states are: SYN_SENT, SYN_RECV, ESTABLISHED, # FIN_WAIT, CLOSE_WAIT, LAST_ACK, TIME_WAIT, CLOSED, LISTEN. # # State Accept { # ESTABLISHED CLOSED TIME_WAIT CLOSE_WAIT for TCP # } } } Stats { # # If you enable this option, the daemon writes the information about # destroyed connections to a logfile. Default is off. # Logfile: on, off, or a filename # Default file: (/var/log/conntrackd-stats.log) # LogFile on # If you want reliable event reporting over Netlink, set on this # option. If you set on this clause, it is a good idea to set off # NetlinkOverrunResync. This option is off by default and you need # a Linux kernel >= 2.6.31. # # NetlinkEventsReliable Off # # Enable connection logging via Syslog. Default is off. # Syslog: on, off or a facility name (daemon (default) or local0..7) # If you set the facility, use the same as in the General clause, # otherwise you'll get a warning message. # #Syslog on } conntrack-1.4.3/doc/sync/000077500000000000000000000000001257407526400152365ustar00rootroot00000000000000conntrack-1.4.3/doc/sync/alarm/000077500000000000000000000000001257407526400163325ustar00rootroot00000000000000conntrack-1.4.3/doc/sync/alarm/README000066400000000000000000000000771257407526400172160ustar00rootroot00000000000000This directory contains the files for the ALARM based protocol conntrack-1.4.3/doc/sync/alarm/conntrackd.conf000066400000000000000000000307221257407526400213330ustar00rootroot00000000000000# # Synchronizer settings # Sync { Mode ALARM { # # If a conntrack entry is not modified in <= 15 seconds, then # a message is broadcasted. This mechanism is used to # resynchronize nodes that just joined the multicast group # RefreshTime 15 # # If we don't receive a notification about the state of # an entry in the external cache after N seconds, then # remove it. # CacheTimeout 180 # # This parameter allows you to set an initial fixed timeout # for the committed entries when this node goes from backup # to primary. This mechanism provides a way to purge entries # that were not recovered appropriately after the specified # fixed timeout. If you set a low value, TCP entries in # Established states with no traffic may hang. For example, # an SSH connection without KeepAlive enabled. If not set, # the daemon uses an approximate timeout value calculation # mechanism. By default, this option is not set. # # CommitTimeout 180 # # If the firewall replica goes from primary to backup, # the conntrackd -t command is invoked in the script. # This command schedules a flush of the table in N seconds. # This is useful to purge the connection tracking table of # zombie entries and avoid clashes with old entries if you # trigger several consecutive hand-overs. Default is 60 seconds # # PurgeTimeout 60 } # # Multicast IP and interface where messages are # broadcasted (dedicated link). IMPORTANT: Make sure # that iptables accepts traffic for destination # 225.0.0.50, eg: # # iptables -I INPUT -d 225.0.0.50 -j ACCEPT # iptables -I OUTPUT -d 225.0.0.50 -j ACCEPT # Multicast { # # Multicast address: The address that you use as destination # in the synchronization messages. You do not have to add # this IP to any of your existing interfaces. If any doubt, # do not modify this value. # IPv4_address 225.0.0.50 # # The multicast group that identifies the cluster. If any # doubt, do not modify this value. # Group 3780 # # IP address of the interface that you are going to use to # send the synchronization messages. Remember that you must # use a dedicated link for the synchronization messages. # IPv4_interface 192.168.100.100 # # The name of the interface that you are going to use to # send the synchronization messages. # Interface eth2 # The multicast sender uses a buffer to enqueue the packets # that are going to be transmitted. The default size of this # socket buffer is available at /proc/sys/net/core/wmem_default. # This value determines the chances to have an overrun in the # sender queue. The overrun results packet loss, thus, losing # state information that would have to be retransmitted. If you # notice some packet loss, you may want to increase the size # of the sender buffer. The default size is usually around # ~100 KBytes which is fairly small for busy firewalls. # SndSocketBuffer 1249280 # The multicast receiver uses a buffer to enqueue the packets # that the socket is pending to handle. The default size of this # socket buffer is available at /proc/sys/net/core/rmem_default. # This value determines the chances to have an overrun in the # receiver queue. The overrun results packet loss, thus, losing # state information that would have to be retransmitted. If you # notice some packet loss, you may want to increase the size of # the receiver buffer. The default size is usually around # ~100 KBytes which is fairly small for busy firewalls. # RcvSocketBuffer 1249280 # # Enable/Disable message checksumming. This is a good # property to achieve fault-tolerance. In case of doubt, do # not modify this value. # Checksum on } # # You can specify more than one dedicated link. Thus, if one dedicated # link fails, conntrackd can fail-over to another. Note that adding # more than one dedicated link does not mean that state-updates will # be sent to all of them. There is only one active dedicated link at # a given moment. The `Default' keyword indicates that this interface # will be selected as the initial dedicated link. You can have # up to 4 redundant dedicated links. Note: Use different multicast # groups for every redundant link. # # Multicast Default { # IPv4_address 225.0.0.51 # Group 3781 # IPv4_interface 192.168.100.101 # Interface eth3 # # SndSocketBuffer 1249280 # # RcvSocketBuffer 1249280 # Checksum on # } # # You can use Unicast UDP instead of Multicast to propagate events. # Note that you cannot use unicast UDP and Multicast at the same # time, you can only select one. # # UDP { # # UDP address that this firewall uses to listen to events. # # IPv4_address 192.168.2.100 # # or you may want to use an IPv6 address: # # IPv6_address fe80::215:58ff:fe28:5a27 # # Destination UDP address that receives events, ie. the other # firewall's dedicated link address. # # IPv4_Destination_Address 192.168.2.101 # # or you may want to use an IPv6 address: # # IPv6_Destination_Address fe80::2d0:59ff:fe2a:775c # # UDP port used # # Port 3780 # # The name of the interface that you are going to use to # send the synchronization messages. # # Interface eth2 # # The sender socket buffer size # # SndSocketBuffer 1249280 # # The receiver socket buffer size # # RcvSocketBuffer 1249280 # # Enable/Disable message checksumming. # # Checksum on # } # # Other unsorted options that are related to the synchronization. # # Options { # # TCP state-entries have window tracking disabled by default, # you can enable it with this option. As said, default is off. # This feature requires a Linux kernel >= 2.6.36. # # TCPWindowTracking Off # Set this option on if you want to enable the synchronization # of expectations. You have to specify the list of helpers that # you want to enable. Default is off. This feature requires # a Linux kernel >= 3.5. # # ExpectationSync { # ftp # ras # q.931 # h.245 # sip # } # # You can use this alternatively: # # ExpectationSync On # # If you want to synchronize expectations of all helpers. # } } # # General settings # General { # # Set the nice value of the daemon, this value goes from -20 # (most favorable scheduling) to 19 (least favorable). Using a # very low value reduces the chances to lose state-change events. # Default is 0 but this example file sets it to most favourable # scheduling as this is generally a good idea. See man nice(1) for # more information. # Nice -20 # # Select a different scheduler for the daemon, you can select between # RR and FIFO and the process priority (minimum is 0, maximum is 99). # See man sched_setscheduler(2) for more information. Using a RT # scheduler reduces the chances to overrun the Netlink buffer. # # Scheduler { # Type FIFO # Priority 99 # } # # Number of buckets in the cache hashtable. The bigger it is, # the closer it gets to O(1) at the cost of consuming more memory. # Read some documents about tuning hashtables for further reference. # HashSize 32768 # # Maximum number of conntracks, it should be double of: # $ cat /proc/sys/net/netfilter/nf_conntrack_max # since the daemon may keep some dead entries cached for possible # retransmission during state synchronization. # HashLimit 131072 # # Logfile: on (/var/log/conntrackd.log), off, or a filename # Default: off # LogFile on # # Syslog: on, off or a facility name (daemon (default) or local0..7) # Default: off # #Syslog on # # Lockfile # LockFile /var/lock/conntrack.lock # # Unix socket configuration # UNIX { Path /var/run/conntrackd.ctl Backlog 20 } # # Netlink event socket buffer size. If you do not specify this clause, # the default buffer size value in /proc/net/core/rmem_default is # used. This default value is usually around 100 Kbytes which is # fairly small for busy firewalls. This leads to event message dropping # and high CPU consumption. This example configuration file sets the # size to 2 MBytes to avoid this sort of problems. # NetlinkBufferSize 2097152 # # The daemon doubles the size of the netlink event socket buffer size # if it detects netlink event message dropping. This clause sets the # maximum buffer size growth that can be reached. This example file # sets the size to 8 MBytes. # NetlinkBufferSizeMaxGrowth 8388608 # # If the daemon detects that Netlink is dropping state-change events, # it automatically schedules a resynchronization against the Kernel # after 30 seconds (default value). Resynchronizations are expensive # in terms of CPU consumption since the daemon has to get the full # kernel state-table and purge state-entries that do not exist anymore. # Be careful of setting a very small value here. You have the following # choices: On (enabled, use default 30 seconds value), Off (disabled) # or Value (in seconds, to set a specific amount of time). If not # specified, the daemon assumes that this option is enabled. # # NetlinkOverrunResync On # If you want reliable event reporting over Netlink, set on this # option. If you set on this clause, it is a good idea to set off # NetlinkOverrunResync. This option is off by default and you need # a Linux kernel >= 2.6.31. # # NetlinkEventsReliable Off # # By default, the daemon receives state updates following an # event-driven model. You can modify this behaviour by switching to # polling mode with the PollSecs clause. This clause tells conntrackd # to dump the states in the kernel every N seconds. With regards to # synchronization mode, the polling mode can only guarantee that # long-lifetime states are recovered. The main advantage of this method # is the reduction in the state replication at the cost of reducing the # chances of recovering connections. # # PollSecs 15 # # The daemon prioritizes the handling of state-change events coming # from the core. With this clause, you can set the maximum number of # state-change events (those coming from kernel-space) that the daemon # will handle after which it will handle other events coming from the # network or userspace. A low value improves interactivity (in terms of # real-time behaviour) at the cost of extra CPU consumption. # Default (if not set) is 100. # # EventIterationLimit 100 # # Event filtering: This clause allows you to filter certain traffic, # There are currently three filter-sets: Protocol, Address and # State. The filter is attached to an action that can be: Accept or # Ignore. Thus, you can define the event filtering policy of the # filter-sets in positive or negative logic depending on your needs. # You can select if conntrackd filters the event messages from # user-space or kernel-space. The kernel-space event filtering # saves some CPU cycles by avoiding the copy of the event message # from kernel-space to user-space. The kernel-space event filtering # is prefered, however, you require a Linux kernel >= 2.6.29 to # filter from kernel-space. If you want to select kernel-space # event filtering, use the keyword 'Kernelspace' instead of # 'Userspace'. # Filter From Userspace { # # Accept only certain protocols: You may want to replicate # the state of flows depending on their layer 4 protocol. # Protocol Accept { TCP SCTP DCCP # UDP # ICMP # This requires a Linux kernel >= 2.6.31 # IPv6-ICMP # This requires a Linux kernel >= 2.6.31 } # # Ignore traffic for a certain set of IP's: Usually all the # IP assigned to the firewall since local traffic must be # ignored, only forwarded connections are worth to replicate. # Note that these values depends on the local IPs that are # assigned to the firewall. # Address Ignore { IPv4_address 127.0.0.1 # loopback IPv4_address 192.168.0.100 # virtual IP 1 IPv4_address 192.168.1.100 # virtual IP 2 IPv4_address 192.168.0.1 IPv4_address 192.168.1.1 IPv4_address 192.168.100.100 # dedicated link ip # # You can also specify networks in format IP/cidr. # IPv4_address 192.168.0.0/24 # # You can also specify an IPv6 address # IPv6_address ::1 } # # Uncomment this line below if you want to filter by flow state. # This option introduces a trade-off in the replication: it # reduces CPU consumption at the cost of having lazy backup # firewall replicas. The existing TCP states are: SYN_SENT, # SYN_RECV, ESTABLISHED, FIN_WAIT, CLOSE_WAIT, LAST_ACK, # TIME_WAIT, CLOSED, LISTEN. # # State Accept { # ESTABLISHED CLOSED TIME_WAIT CLOSE_WAIT for TCP # } } } conntrack-1.4.3/doc/sync/ftfw/000077500000000000000000000000001257407526400162045ustar00rootroot00000000000000conntrack-1.4.3/doc/sync/ftfw/README000066400000000000000000000000771257407526400170700ustar00rootroot00000000000000This directory contains the files for the FT-FW based protocol conntrack-1.4.3/doc/sync/ftfw/conntrackd.conf000066400000000000000000000333461257407526400212120ustar00rootroot00000000000000# # Synchronizer settings # Sync { Mode FTFW { # # Size of the resend queue (in objects). This is the maximum # number of objects that can be stored waiting to be confirmed # via acknoledgment. If you keep this value low, the daemon # will have less chances to recover state-changes under message # omission. On the other hand, if you keep this value high, # the daemon will consume more memory to store dead objects. # Default is 131072 objects. # # ResendQueueSize 131072 # # This parameter allows you to set an initial fixed timeout # for the committed entries when this node goes from backup # to primary. This mechanism provides a way to purge entries # that were not recovered appropriately after the specified # fixed timeout. If you set a low value, TCP entries in # Established states with no traffic may hang. For example, # an SSH connection without KeepAlive enabled. If not set, # the daemon uses an approximate timeout value calculation # mechanism. By default, this option is not set. # # CommitTimeout 180 # # If the firewall replica goes from primary to backup, # the conntrackd -t command is invoked in the script. # This command schedules a flush of the table in N seconds. # This is useful to purge the connection tracking table of # zombie entries and avoid clashes with old entries if you # trigger several consecutive hand-overs. Default is 60 seconds. # # PurgeTimeout 60 # Set the acknowledgement window size. If you decrease this # value, the number of acknowlegdments increases. More # acknowledgments means more overhead as conntrackd has to # handle more control messages. On the other hand, if you # increase this value, the resend queue gets more populated. # This results in more overhead in the queue releasing. # The following value is based on some practical experiments # measuring the cycles spent by the acknowledgment handling # with oprofile. If not set, default window size is 300. # # ACKWindowSize 300 # # This clause allows you to disable the external cache. Thus, # the state entries are directly injected into the kernel # conntrack table. As a result, you save memory in user-space # but you consume slots in the kernel conntrack table for # backup state entries. Moreover, disabling the external cache # means more CPU consumption. You need a Linux kernel # >= 2.6.29 to use this feature. By default, this clause is # set off. If you are installing conntrackd for first time, # please read the user manual and I encourage you to consider # using the fail-over scripts instead of enabling this option! # # DisableExternalCache Off } # # Multicast IP and interface where messages are # broadcasted (dedicated link). IMPORTANT: Make sure # that iptables accepts traffic for destination # 225.0.0.50, eg: # # iptables -I INPUT -d 225.0.0.50 -j ACCEPT # iptables -I OUTPUT -d 225.0.0.50 -j ACCEPT # Multicast { # # Multicast address: The address that you use as destination # in the synchronization messages. You do not have to add # this IP to any of your existing interfaces. If any doubt, # do not modify this value. # IPv4_address 225.0.0.50 # # The multicast group that identifies the cluster. If any # doubt, do not modify this value. # Group 3780 # # IP address of the interface that you are going to use to # send the synchronization messages. Remember that you must # use a dedicated link for the synchronization messages. # IPv4_interface 192.168.100.100 # # The name of the interface that you are going to use to # send the synchronization messages. # Interface eth2 # The multicast sender uses a buffer to enqueue the packets # that are going to be transmitted. The default size of this # socket buffer is available at /proc/sys/net/core/wmem_default. # This value determines the chances to have an overrun in the # sender queue. The overrun results packet loss, thus, losing # state information that would have to be retransmitted. If you # notice some packet loss, you may want to increase the size # of the sender buffer. The default size is usually around # ~100 KBytes which is fairly small for busy firewalls. # SndSocketBuffer 1249280 # The multicast receiver uses a buffer to enqueue the packets # that the socket is pending to handle. The default size of this # socket buffer is available at /proc/sys/net/core/rmem_default. # This value determines the chances to have an overrun in the # receiver queue. The overrun results packet loss, thus, losing # state information that would have to be retransmitted. If you # notice some packet loss, you may want to increase the size of # the receiver buffer. The default size is usually around # ~100 KBytes which is fairly small for busy firewalls. # RcvSocketBuffer 1249280 # # Enable/Disable message checksumming. This is a good # property to achieve fault-tolerance. In case of doubt, do # not modify this value. # Checksum on } # # You can specify more than one dedicated link. Thus, if one dedicated # link fails, conntrackd can fail-over to another. Note that adding # more than one dedicated link does not mean that state-updates will # be sent to all of them. There is only one active dedicated link at # a given moment. The `Default' keyword indicates that this interface # will be selected as the initial dedicated link. You can have # up to 4 redundant dedicated links. Note: Use different multicast # groups for every redundant link. # # Multicast Default { # IPv4_address 225.0.0.51 # Group 3781 # IPv4_interface 192.168.100.101 # Interface eth3 # # SndSocketBuffer 1249280 # # RcvSocketBuffer 1249280 # Checksum on # } # # You can use Unicast UDP instead of Multicast to propagate events. # Note that you cannot use unicast UDP and Multicast at the same # time, you can only select one. # # UDP { # # UDP address that this firewall uses to listen to events. # # IPv4_address 192.168.2.100 # # or you may want to use an IPv6 address: # # IPv6_address fe80::215:58ff:fe28:5a27 # # Destination UDP address that receives events, ie. the other # firewall's dedicated link address. # # IPv4_Destination_Address 192.168.2.101 # # or you may want to use an IPv6 address: # # IPv6_Destination_Address fe80::2d0:59ff:fe2a:775c # # UDP port used # # Port 3780 # # The name of the interface that you are going to use to # send the synchronization messages. # # Interface eth2 # # The sender socket buffer size # # SndSocketBuffer 1249280 # # The receiver socket buffer size # # RcvSocketBuffer 1249280 # # Enable/Disable message checksumming. # # Checksum on # } # # Other unsorted options that are related to the synchronization. # # Options { # # TCP state-entries have window tracking disabled by default, # you can enable it with this option. As said, default is off. # This feature requires a Linux kernel >= 2.6.36. # # TCPWindowTracking Off # Set this option on if you want to enable the synchronization # of expectations. You have to specify the list of helpers that # you want to enable. Default is off. This feature requires # a Linux kernel >= 3.5. # # ExpectationSync { # ftp # ras # q.931 # h.245 # sip # } # # You can use this alternatively: # # ExpectationSync On # # If you want to synchronize expectations of all helpers. # } } # # General settings # General { # # Set the nice value of the daemon, this value goes from -20 # (most favorable scheduling) to 19 (least favorable). Using a # very low value reduces the chances to lose state-change events. # Default is 0 but this example file sets it to most favourable # scheduling as this is generally a good idea. See man nice(1) for # more information. # Nice -20 # # Select a different scheduler for the daemon, you can select between # RR and FIFO and the process priority (minimum is 0, maximum is 99). # See man sched_setscheduler(2) for more information. Using a RT # scheduler reduces the chances to overrun the Netlink buffer. # # Scheduler { # Type FIFO # Priority 99 # } # # Number of buckets in the cache hashtable. The bigger it is, # the closer it gets to O(1) at the cost of consuming more memory. # Read some documents about tuning hashtables for further reference. # HashSize 32768 # # Maximum number of conntracks, it should be double of: # $ cat /proc/sys/net/netfilter/nf_conntrack_max # since the daemon may keep some dead entries cached for possible # retransmission during state synchronization. # HashLimit 131072 # # Logfile: on (/var/log/conntrackd.log), off, or a filename # Default: off # LogFile on # # Syslog: on, off or a facility name (daemon (default) or local0..7) # Default: off # #Syslog on # # Lockfile # LockFile /var/lock/conntrack.lock # # Unix socket configuration # UNIX { Path /var/run/conntrackd.ctl Backlog 20 } # # Netlink event socket buffer size. If you do not specify this clause, # the default buffer size value in /proc/net/core/rmem_default is # used. This default value is usually around 100 Kbytes which is # fairly small for busy firewalls. This leads to event message dropping # and high CPU consumption. This example configuration file sets the # size to 2 MBytes to avoid this sort of problems. # NetlinkBufferSize 2097152 # # The daemon doubles the size of the netlink event socket buffer size # if it detects netlink event message dropping. This clause sets the # maximum buffer size growth that can be reached. This example file # sets the size to 8 MBytes. # NetlinkBufferSizeMaxGrowth 8388608 # # If the daemon detects that Netlink is dropping state-change events, # it automatically schedules a resynchronization against the Kernel # after 30 seconds (default value). Resynchronizations are expensive # in terms of CPU consumption since the daemon has to get the full # kernel state-table and purge state-entries that do not exist anymore. # Be careful of setting a very small value here. You have the following # choices: On (enabled, use default 30 seconds value), Off (disabled) # or Value (in seconds, to set a specific amount of time). If not # specified, the daemon assumes that this option is enabled. # # NetlinkOverrunResync On # # If you want reliable event reporting over Netlink, set on this # option. If you set on this clause, it is a good idea to set off # NetlinkOverrunResync. This option is off by default and you need # a Linux kernel >= 2.6.31. # # NetlinkEventsReliable Off # # By default, the daemon receives state updates following an # event-driven model. You can modify this behaviour by switching to # polling mode with the PollSecs clause. This clause tells conntrackd # to dump the states in the kernel every N seconds. With regards to # synchronization mode, the polling mode can only guarantee that # long-lifetime states are recovered. The main advantage of this method # is the reduction in the state replication at the cost of reducing the # chances of recovering connections. # # PollSecs 15 # # The daemon prioritizes the handling of state-change events coming # from the core. With this clause, you can set the maximum number of # state-change events (those coming from kernel-space) that the daemon # will handle after which it will handle other events coming from the # network or userspace. A low value improves interactivity (in terms of # real-time behaviour) at the cost of extra CPU consumption. # Default (if not set) is 100. # # EventIterationLimit 100 # # Event filtering: This clause allows you to filter certain traffic, # There are currently three filter-sets: Protocol, Address and # State. The filter is attached to an action that can be: Accept or # Ignore. Thus, you can define the event filtering policy of the # filter-sets in positive or negative logic depending on your needs. # You can select if conntrackd filters the event messages from # user-space or kernel-space. The kernel-space event filtering # saves some CPU cycles by avoiding the copy of the event message # from kernel-space to user-space. The kernel-space event filtering # is prefered, however, you require a Linux kernel >= 2.6.29 to # filter from kernel-space. If you want to select kernel-space # event filtering, use the keyword 'Kernelspace' instead of # 'Userspace'. # Filter From Userspace { # # Accept only certain protocols: You may want to replicate # the state of flows depending on their layer 4 protocol. # Protocol Accept { TCP SCTP DCCP # UDP # ICMP # This requires a Linux kernel >= 2.6.31 # IPv6-ICMP # This requires a Linux kernel >= 2.6.31 } # # Ignore traffic for a certain set of IP's: Usually all the # IP assigned to the firewall since local traffic must be # ignored, only forwarded connections are worth to replicate. # Note that these values depends on the local IPs that are # assigned to the firewall. # Address Ignore { IPv4_address 127.0.0.1 # loopback IPv4_address 192.168.0.100 # virtual IP 1 IPv4_address 192.168.1.100 # virtual IP 2 IPv4_address 192.168.0.1 IPv4_address 192.168.1.1 IPv4_address 192.168.100.100 # dedicated link ip # # You can also specify networks in format IP/cidr. # IPv4_address 192.168.0.0/24 # # You can also specify an IPv6 address # IPv6_address ::1 } # # Uncomment this line below if you want to filter by flow state. # This option introduces a trade-off in the replication: it # reduces CPU consumption at the cost of having lazy backup # firewall replicas. The existing TCP states are: SYN_SENT, # SYN_RECV, ESTABLISHED, FIN_WAIT, CLOSE_WAIT, LAST_ACK, # TIME_WAIT, CLOSED, LISTEN. # # State Accept { # ESTABLISHED CLOSED TIME_WAIT CLOSE_WAIT for TCP # } } } conntrack-1.4.3/doc/sync/keepalived.conf000066400000000000000000000015241257407526400202200ustar00rootroot00000000000000# # Simple script for primary-backup setups # vrrp_sync_group G1 { # must be before vrrp_instance declaration group { VI_1 VI_2 } notify_master "/etc/conntrackd/primary-backup.sh primary" notify_backup "/etc/conntrackd/primary-backup.sh backup" notify_fault "/etc/conntrackd/primary-backup.sh fault" } vrrp_instance VI_1 { interface eth1 state SLAVE virtual_router_id 61 priority 80 advert_int 3 authentication { auth_type PASS auth_pass papas_con_tomate } virtual_ipaddress { 192.168.0.100 # default CIDR mask is /32 } } vrrp_instance VI_2 { interface eth0 state SLAVE virtual_router_id 62 priority 80 advert_int 3 authentication { auth_type PASS auth_pass papas_con_tomate } virtual_ipaddress { 192.168.1.100 } } conntrack-1.4.3/doc/sync/notrack/000077500000000000000000000000001257407526400166775ustar00rootroot00000000000000conntrack-1.4.3/doc/sync/notrack/README000066400000000000000000000003111257407526400175520ustar00rootroot00000000000000This directory contains the files for the NOTRACK replication protocol. This protocol provides best effort delivery. Therefore, it is unreliable unless that you select TCP-based state-synchronization. conntrack-1.4.3/doc/sync/notrack/conntrackd.conf000066400000000000000000000341311257407526400216760ustar00rootroot00000000000000# # Synchronizer settings # Sync { Mode NOTRACK { # # This parameter allows you to set an initial fixed timeout # for the committed entries when this node goes from backup # to primary. This mechanism provides a way to purge entries # that were not recovered appropriately after the specified # fixed timeout. If you set a low value, TCP entries in # Established states with no traffic may hang. For example, # an SSH connection without KeepAlive enabled. If not set, # the daemon uses an approximate timeout value calculation # mechanism. By default, this option is not set. # # CommitTimeout 180 # # If the firewall replica goes from primary to backup, # the conntrackd -t command is invoked in the script. # This command schedules a flush of the table in N seconds. # This is useful to purge the connection tracking table of # zombie entries and avoid clashes with old entries if you # trigger several consecutive hand-overs. Default is 60 seconds. # # PurgeTimeout 60 # # This clause allows you to disable the internal cache. Thus, # the synchronization messages are directly send through # the dedicated link. This option is set of off by default. # # DisableInternalCache Off # # This clause allows you to disable the external cache. Thus, # the state entries are directly injected into the kernel # conntrack table. As a result, you save memory in user-space # but you consume slots in the kernel conntrack table for # backup state entries. Moreover, disabling the external cache # means more CPU consumption. You need a Linux kernel # >= 2.6.29 to use this feature. By default, this clause is # set off. If you are installing conntrackd for first time, # please read the user manual and I encourage you to consider # using the fail-over scripts instead of enabling this option! # # DisableExternalCache Off } # # Multicast IP and interface where messages are # broadcasted (dedicated link). IMPORTANT: Make sure # that iptables accepts traffic for destination # 225.0.0.50, eg: # # iptables -I INPUT -d 225.0.0.50 -j ACCEPT # iptables -I OUTPUT -d 225.0.0.50 -j ACCEPT # Multicast { # # Multicast address: The address that you use as destination # in the synchronization messages. You do not have to add # this IP to any of your existing interfaces. If any doubt, # do not modify this value. # IPv4_address 225.0.0.50 # # The multicast group that identifies the cluster. If any # doubt, do not modify this value. # Group 3780 # # IP address of the interface that you are going to use to # send the synchronization messages. Remember that you must # use a dedicated link for the synchronization messages. # IPv4_interface 192.168.100.100 # # The name of the interface that you are going to use to # send the synchronization messages. # Interface eth2 # The multicast sender uses a buffer to enqueue the packets # that are going to be transmitted. The default size of this # socket buffer is available at /proc/sys/net/core/wmem_default. # This value determines the chances to have an overrun in the # sender queue. The overrun results packet loss, thus, losing # state information that would have to be retransmitted. If you # notice some packet loss, you may want to increase the size # of the sender buffer. The default size is usually around # ~100 KBytes which is fairly small for busy firewalls. # Note: This protocol is best effort, it is really recommended # to increase the buffer size. # SndSocketBuffer 1249280 # The multicast receiver uses a buffer to enqueue the packets # that the socket is pending to handle. The default size of this # socket buffer is available at /proc/sys/net/core/rmem_default. # This value determines the chances to have an overrun in the # receiver queue. The overrun results packet loss, thus, losing # state information that would have to be retransmitted. If you # notice some packet loss, you may want to increase the size of # of the sender buffer. The default size is usually around # ~100 KBytes which is fairly small for busy firewalls. # Note: This protocol is best effort, it is really recommended # to increase the buffer size. # RcvSocketBuffer 1249280 # # Enable/Disable message checksumming. This is a good # property to achieve fault-tolerance. In case of doubt, do # not modify this value. # Checksum on } # # You can specify more than one dedicated link. Thus, if one dedicated # link fails, conntrackd can fail-over to another. Note that adding # more than one dedicated link does not mean that state-updates will # be sent to all of them. There is only one active dedicated link at # a given moment. The `Default' keyword indicates that this interface # will be selected as the initial dedicated link. You can have # up to 4 redundant dedicated links. Note: Use different multicast # groups for every redundant link. # # Multicast Default { # IPv4_address 225.0.0.51 # Group 3781 # IPv4_interface 192.168.100.101 # Interface eth3 # # SndSocketBuffer 1249280 # # RcvSocketBuffer 1249280 # Checksum on # } # # You can use Unicast UDP instead of Multicast to propagate events. # Note that you cannot use unicast UDP and Multicast at the same # time, you can only select one. # # UDP { # # UDP address that this firewall uses to listen to events. # # IPv4_address 192.168.2.100 # # or you may want to use an IPv6 address: # # IPv6_address fe80::215:58ff:fe28:5a27 # # Destination UDP address that receives events, ie. the other # firewall's dedicated link address. # # IPv4_Destination_Address 192.168.2.101 # # or you may want to use an IPv6 address: # # IPv6_Destination_Address fe80::2d0:59ff:fe2a:775c # # UDP port used # # Port 3780 # # The name of the interface that you are going to use to # send the synchronization messages. # # Interface eth2 # # The sender socket buffer size # # SndSocketBuffer 1249280 # # The receiver socket buffer size # # RcvSocketBuffer 1249280 # # Enable/Disable message checksumming. # # Checksum on # } # # You can also use Unicast TCP to propagate events. Thus, the NOTRACK # mode becomes reliable. # # TCP { # # TCP address that this firewall uses to listen to events. # # IPv4_address 192.168.2.100 # # or you may want to use an IPv6 address: # # IPv6_address fe80::215:58ff:fe28:5a27 # # Destination TCP address that receives events, ie. the other # firewall's dedicated link address. # # IPv4_Destination_Address 192.168.2.101 # # or you may want to use an IPv6 address: # # IPv6_Destination_Address fe80::2d0:59ff:fe2a:775c # # TCP port used # # Port 3780 # # The name of the interface that you are going to use to # send the synchronization messages. # # Interface eth2 # # The sender socket buffer size # # SndSocketBuffer 1249280 # # The receiver socket buffer size # # RcvSocketBuffer 1249280 # # Enable/Disable message checksumming. # # Checksum on # } # # Other unsorted options that are related to the synchronization. # # Options { # # TCP state-entries have window tracking disabled by default, # you can enable it with this option. As said, default is off. # This feature requires a Linux kernel >= 2.6.36. # # TCPWindowTracking Off # Set this option on if you want to enable the synchronization # of expectations. You have to specify the list of helpers that # you want to enable. Default is off. This feature requires # a Linux kernel >= 3.5. # # ExpectationSync { # ftp # ras # q.931 # h.245 # sip # } # # You can use this alternatively: # # ExpectationSync On # # If you want to synchronize expectations of all helpers. # } } # # General settings # General { # # Set the nice value of the daemon, this value goes from -20 # (most favorable scheduling) to 19 (least favorable). Using a # very low value reduces the chances to lose state-change events. # Default is 0 but this example file sets it to most favourable # scheduling as this is generally a good idea. See man nice(1) for # more information. # Nice -20 # # Select a different scheduler for the daemon, you can select between # RR and FIFO and the process priority (minimum is 0, maximum is 99). # See man sched_setscheduler(2) for more information. Using a RT # scheduler reduces the chances to overrun the Netlink buffer. # # Scheduler { # Type FIFO # Priority 99 # } # # Number of buckets in the cache hashtable. The bigger it is, # the closer it gets to O(1) at the cost of consuming more memory. # Read some documents about tuning hashtables for further reference. # HashSize 32768 # # Maximum number of conntracks, it should be double of: # $ cat /proc/sys/net/netfilter/nf_conntrack_max # since the daemon may keep some dead entries cached for possible # retransmission during state synchronization. # HashLimit 131072 # # Logfile: on (/var/log/conntrackd.log), off, or a filename # Default: off # LogFile on # # Syslog: on, off or a facility name (daemon (default) or local0..7) # Default: off # #Syslog on # # Lockfile # LockFile /var/lock/conntrack.lock # # Unix socket configuration # UNIX { Path /var/run/conntrackd.ctl Backlog 20 } # # Netlink event socket buffer size. If you do not specify this clause, # the default buffer size value in /proc/net/core/rmem_default is # used. This default value is usually around 100 Kbytes which is # fairly small for busy firewalls. This leads to event message dropping # and high CPU consumption. This example configuration file sets the # size to 2 MBytes to avoid this sort of problems. # NetlinkBufferSize 2097152 # # The daemon doubles the size of the netlink event socket buffer size # if it detects netlink event message dropping. This clause sets the # maximum buffer size growth that can be reached. This example file # sets the size to 8 MBytes. # NetlinkBufferSizeMaxGrowth 8388608 # # If the daemon detects that Netlink is dropping state-change events, # it automatically schedules a resynchronization against the Kernel # after 30 seconds (default value). Resynchronizations are expensive # in terms of CPU consumption since the daemon has to get the full # kernel state-table and purge state-entries that do not exist anymore. # Be careful of setting a very small value here. You have the following # choices: On (enabled, use default 30 seconds value), Off (disabled) # or Value (in seconds, to set a specific amount of time). If not # specified, the daemon assumes that this option is enabled. # # NetlinkOverrunResync On # If you want reliable event reporting over Netlink, set on this # option. If you set on this clause, it is a good idea to set off # NetlinkOverrunResync. This option is off by default and you need # a Linux kernel >= 2.6.31. # # NetlinkEventsReliable Off # # By default, the daemon receives state updates following an # event-driven model. You can modify this behaviour by switching to # polling mode with the PollSecs clause. This clause tells conntrackd # to dump the states in the kernel every N seconds. With regards to # synchronization mode, the polling mode can only guarantee that # long-lifetime states are recovered. The main advantage of this method # is the reduction in the state replication at the cost of reducing the # chances of recovering connections. # # PollSecs 15 # # The daemon prioritizes the handling of state-change events coming # from the core. With this clause, you can set the maximum number of # state-change events (those coming from kernel-space) that the daemon # will handle after which it will handle other events coming from the # network or userspace. A low value improves interactivity (in terms of # real-time behaviour) at the cost of extra CPU consumption. # Default (if not set) is 100. # # EventIterationLimit 100 # # Event filtering: This clause allows you to filter certain traffic, # There are currently three filter-sets: Protocol, Address and # State. The filter is attached to an action that can be: Accept or # Ignore. Thus, you can define the event filtering policy of the # filter-sets in positive or negative logic depending on your needs. # You can select if conntrackd filters the event messages from # user-space or kernel-space. The kernel-space event filtering # saves some CPU cycles by avoiding the copy of the event message # from kernel-space to user-space. The kernel-space event filtering # is prefered, however, you require a Linux kernel >= 2.6.29 to # filter from kernel-space. If you want to select kernel-space # event filtering, use the keyword 'Kernelspace' instead of # 'Userspace'. # Filter From Userspace { # # Accept only certain protocols: You may want to replicate # the state of flows depending on their layer 4 protocol. # Protocol Accept { TCP SCTP DCCP # UDP # ICMP # This requires a Linux kernel >= 2.6.31 # IPv6-ICMP # This requires a Linux kernel >= 2.6.31 } # # Ignore traffic for a certain set of IP's: Usually all the # IP assigned to the firewall since local traffic must be # ignored, only forwarded connections are worth to replicate. # Note that these values depends on the local IPs that are # assigned to the firewall. # Address Ignore { IPv4_address 127.0.0.1 # loopback IPv4_address 192.168.0.100 # virtual IP 1 IPv4_address 192.168.1.100 # virtual IP 2 IPv4_address 192.168.0.1 IPv4_address 192.168.1.1 IPv4_address 192.168.100.100 # dedicated link ip # # You can also specify networks in format IP/cidr. # IPv4_address 192.168.0.0/24 # # You can also specify an IPv6 address # IPv6_address ::1 } # # Uncomment this line below if you want to filter by flow state. # This option introduces a trade-off in the replication: it # reduces CPU consumption at the cost of having lazy backup # firewall replicas. The existing TCP states are: SYN_SENT, # SYN_RECV, ESTABLISHED, FIN_WAIT, CLOSE_WAIT, LAST_ACK, # TIME_WAIT, CLOSED, LISTEN. # # State Accept { # ESTABLISHED CLOSED TIME_WAIT CLOSE_WAIT for TCP # } } } conntrack-1.4.3/doc/sync/primary-backup.sh000077500000000000000000000062021257407526400205230ustar00rootroot00000000000000#!/bin/sh # # (C) 2006-2011 by Pablo Neira Ayuso # # 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 of the License, or # (at your option) any later version. # # Description: # # This is the script for primary-backup setups for keepalived # (http://www.keepalived.org). You may adapt it to make it work with other # high-availability managers. # # Do not forget to include the required modifications to your keepalived.conf # file to invoke this script during keepalived's state transitions. # # Contributions to improve this script are welcome :). # CONNTRACKD_BIN=/usr/sbin/conntrackd CONNTRACKD_LOCK=/var/lock/conntrack.lock CONNTRACKD_CONFIG=/etc/conntrackd/conntrackd.conf case "$1" in primary) # # commit the external cache into the kernel table # $CONNTRACKD_BIN -C $CONNTRACKD_CONFIG -c if [ $? -eq 1 ] then logger "ERROR: failed to invoke conntrackd -c" fi # # flush the internal and the external caches # $CONNTRACKD_BIN -C $CONNTRACKD_CONFIG -f if [ $? -eq 1 ] then logger "ERROR: failed to invoke conntrackd -f" fi # # resynchronize my internal cache to the kernel table # $CONNTRACKD_BIN -C $CONNTRACKD_CONFIG -R if [ $? -eq 1 ] then logger "ERROR: failed to invoke conntrackd -R" fi # # send a bulk update to backups # $CONNTRACKD_BIN -C $CONNTRACKD_CONFIG -B if [ $? -eq 1 ] then logger "ERROR: failed to invoke conntrackd -B" fi ;; backup) # # is conntrackd running? request some statistics to check it # $CONNTRACKD_BIN -C $CONNTRACKD_CONFIG -s if [ $? -eq 1 ] then # # something's wrong, do we have a lock file? # if [ -f $CONNTRACKD_LOCK ] then logger "WARNING: conntrackd was not cleanly stopped." logger "If you suspect that it has crashed:" logger "1) Enable coredumps" logger "2) Try to reproduce the problem" logger "3) Post the coredump to netfilter-devel@vger.kernel.org" rm -f $CONNTRACKD_LOCK fi $CONNTRACKD_BIN -C $CONNTRACKD_CONFIG -d if [ $? -eq 1 ] then logger "ERROR: cannot launch conntrackd" exit 1 fi fi # # shorten kernel conntrack timers to remove the zombie entries. # $CONNTRACKD_BIN -C $CONNTRACKD_CONFIG -t if [ $? -eq 1 ] then logger "ERROR: failed to invoke conntrackd -t" fi # # request resynchronization with master firewall replica (if any) # Note: this does nothing in the alarm approach. # $CONNTRACKD_BIN -C $CONNTRACKD_CONFIG -n if [ $? -eq 1 ] then logger "ERROR: failed to invoke conntrackd -n" fi ;; 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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. * */ #include #include #include #include #include /* For htons */ #include #include #include "conntrack.h" #ifndef IPPROTO_DCCP #define IPPROTO_DCCP 33 #endif enum { CT_DCCP_ORIG_SPORT = (1 << 0), CT_DCCP_ORIG_DPORT = (1 << 1), CT_DCCP_REPL_SPORT = (1 << 2), CT_DCCP_REPL_DPORT = (1 << 3), CT_DCCP_MASK_SPORT = (1 << 4), CT_DCCP_MASK_DPORT = (1 << 5), CT_DCCP_STATE = (1 << 6), CT_DCCP_EXPTUPLE_SPORT = (1 << 7), CT_DCCP_EXPTUPLE_DPORT = (1 << 8), CT_DCCP_ROLE = (1 << 9), }; #define DCCP_OPT_MAX 13 static struct option opts[DCCP_OPT_MAX] = { { .name = "orig-port-src", .has_arg = 1, .val = 1 }, { .name = "orig-port-dst", .has_arg = 1, .val = 2 }, { .name = "reply-port-src", .has_arg = 1, .val = 3 }, { .name = "reply-port-dst", .has_arg = 1, .val = 4 }, { .name = "mask-port-src", .has_arg = 1, .val = 5 }, { .name = "mask-port-dst", .has_arg = 1, .val = 6 }, { .name = "state", .has_arg = 1, .val = 7 }, { .name = "tuple-port-src", .has_arg = 1, .val = 8 }, { .name = "tuple-port-dst", .has_arg = 1, .val = 9 }, { .name = "sport", .has_arg = 1, .val = 1 }, /* alias */ { .name = "dport", .has_arg = 1, .val = 2 }, /* alias */ { .name = "role", .has_arg = 1, .val = 10 }, { 0, 0, 0, 0}, }; static const char *dccp_optflags[DCCP_OPT_MAX] = { [0] = "sport", [1] = "dport", [2] = "reply-port-src", [3] = "reply-port-dst", [4] = "mask-port-src", [5] = "mask-port-dst", [6] = "state", [7] = "tuple-port-src", [8] = "tuple-port-dst", [9] = "role" }; static char dccp_commands_v_options[NUMBER_OF_CMD][DCCP_OPT_MAX] = /* Well, it's better than "Re: Sevilla vs Betis" */ { /* 1 2 3 4 5 6 7 8 9 10*/ /*CT_LIST*/ {2,2,2,2,0,0,2,0,0,0}, /*CT_CREATE*/ {3,3,3,3,0,0,1,0,0,1}, /*CT_UPDATE*/ {2,2,2,2,0,0,2,0,0,0}, /*CT_DELETE*/ {2,2,2,2,0,0,2,0,0,0}, /*CT_GET*/ {3,3,3,3,0,0,2,0,0,0}, /*CT_FLUSH*/ {0,0,0,0,0,0,0,0,0,0}, /*CT_EVENT*/ {2,2,2,2,0,0,2,0,0,0}, /*CT_VERSION*/ {0,0,0,0,0,0,0,0,0,0}, /*CT_HELP*/ {0,0,0,0,0,0,0,0,0,0}, /*EXP_LIST*/ {0,0,0,0,0,0,0,0,0,0}, /*EXP_CREATE*/ {1,1,0,0,1,1,0,1,1,1}, /*EXP_DELETE*/ {1,1,1,1,0,0,0,0,0,0}, /*EXP_GET*/ {1,1,1,1,0,0,0,0,0,0}, /*EXP_FLUSH*/ {0,0,0,0,0,0,0,0,0,0}, /*EXP_EVENT*/ {0,0,0,0,0,0,0,0,0,0}, }; static const char *dccp_states[DCCP_CONNTRACK_MAX] = { [DCCP_CONNTRACK_NONE] = "NONE", [DCCP_CONNTRACK_REQUEST] = "REQUEST", [DCCP_CONNTRACK_RESPOND] = "RESPOND", [DCCP_CONNTRACK_PARTOPEN] = "PARTOPEN", [DCCP_CONNTRACK_OPEN] = "OPEN", [DCCP_CONNTRACK_CLOSEREQ] = "CLOSEREQ", [DCCP_CONNTRACK_CLOSING] = "CLOSING", [DCCP_CONNTRACK_TIMEWAIT] = "TIMEWAIT", [DCCP_CONNTRACK_IGNORE] = "IGNORE", [DCCP_CONNTRACK_INVALID] = "INVALID", }; static void help(void) { fprintf(stdout, " --orig-port-src\t\toriginal source port\n"); fprintf(stdout, " --orig-port-dst\t\toriginal destination port\n"); fprintf(stdout, " --reply-port-src\t\treply source port\n"); fprintf(stdout, " --reply-port-dst\t\treply destination port\n"); fprintf(stdout, " --mask-port-src\t\tmask source port\n"); fprintf(stdout, " --mask-port-dst\t\tmask destination port\n"); fprintf(stdout, " --tuple-port-src\t\texpectation tuple src port\n"); fprintf(stdout, " --tuple-port-src\t\texpectation tuple dst port\n"); fprintf(stdout, " --state\t\t\tDCCP state, fe. RESPOND\n"); } static int parse_options(char c, struct nf_conntrack *ct, struct nf_conntrack *exptuple, struct nf_conntrack *mask, unsigned int *flags) { int i; uint16_t port; switch(c) { case 1: port = htons(atoi(optarg)); nfct_set_attr_u16(ct, ATTR_ORIG_PORT_SRC, port); nfct_set_attr_u8(ct, ATTR_ORIG_L4PROTO, IPPROTO_DCCP); *flags |= CT_DCCP_ORIG_SPORT; break; case 2: port = htons(atoi(optarg)); nfct_set_attr_u16(ct, ATTR_ORIG_PORT_DST, port); nfct_set_attr_u8(ct, ATTR_ORIG_L4PROTO, IPPROTO_DCCP); *flags |= CT_DCCP_ORIG_DPORT; break; case 3: port = htons(atoi(optarg)); nfct_set_attr_u16(ct, ATTR_REPL_PORT_SRC, port); nfct_set_attr_u8(ct, ATTR_REPL_L4PROTO, IPPROTO_DCCP); *flags |= CT_DCCP_REPL_SPORT; break; case 4: port = htons(atoi(optarg)); nfct_set_attr_u16(ct, ATTR_REPL_PORT_DST, port); nfct_set_attr_u8(ct, ATTR_REPL_L4PROTO, IPPROTO_DCCP); *flags |= CT_DCCP_REPL_DPORT; break; case 5: port = htons(atoi(optarg)); nfct_set_attr_u16(mask, ATTR_ORIG_PORT_SRC, port); nfct_set_attr_u8(mask, ATTR_ORIG_L4PROTO, IPPROTO_DCCP); *flags |= CT_DCCP_MASK_SPORT; break; case 6: port = htons(atoi(optarg)); nfct_set_attr_u16(mask, ATTR_ORIG_PORT_DST, port); nfct_set_attr_u8(mask, ATTR_ORIG_L4PROTO, IPPROTO_DCCP); *flags |= CT_DCCP_MASK_DPORT; break; case 7: for (i=0; i * * 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 of the License, or * (at your option) any later version. * */ #include #include #include #include /* For htons */ #include #include "conntrack.h" enum { CT_GRE_ORIG_SKEY = (1 << 0), CT_GRE_ORIG_DKEY = (1 << 1), CT_GRE_REPL_SKEY = (1 << 2), CT_GRE_REPL_DKEY = (1 << 3), CT_GRE_MASK_SKEY = (1 << 4), CT_GRE_MASK_DKEY = (1 << 5), CT_GRE_EXPTUPLE_SKEY = (1 << 6), CT_GRE_EXPTUPLE_DKEY = (1 << 7) }; #define GRE_OPT_MAX 11 static struct option opts[GRE_OPT_MAX] = { { "orig-key-src", .has_arg = 1, .val = '1' }, { "srckey", .has_arg = 1, .val = '1' }, { "orig-key-dst", .has_arg = 1, .val = '2' }, { "dstkey", .has_arg = 1, .val = '2' }, { "reply-key-src", .has_arg = 1, .val = '3' }, { "reply-key-dst", .has_arg = 1, .val = '4' }, { "mask-key-src", .has_arg = 1, .val = '5' }, { "mask-key-dst", .has_arg = 1, .val = '6' }, { "tuple-key-src", .has_arg = 1, .val = '7' }, { "tuple-key-dst", .has_arg = 1, .val = '8' }, {0, 0, 0, 0} }; static const char *gre_optflags[GRE_OPT_MAX] = { [0] = "srckey", [1] = "dstkey", [2] = "reply-key-src", [3] = "reply-key-dst", [4] = "mask-key-src", [5] = "mask-key-dst", [6] = "tuple-key-src", [7] = "tuple-key-dst" }; static void help(void) { fprintf(stdout, " --orig-key-src\t\toriginal source key\n"); fprintf(stdout, " --orig-key-dst\t\toriginal destination key\n"); fprintf(stdout, " --reply-key-src\t\treply source key\n"); fprintf(stdout, " --reply-key-dst\t\treply destination key\n"); fprintf(stdout, " --mask-key-src\t\tmask source key\n"); fprintf(stdout, " --mask-key-dst\t\tmask destination key\n"); fprintf(stdout, " --tuple-key-src\t\texpectation tuple src key\n"); fprintf(stdout, " --tuple-key-src\t\texpectation tuple dst key\n"); } static char gre_commands_v_options[NUMBER_OF_CMD][GRE_OPT_MAX] = { /* 1 2 3 4 5 6 7 8 */ /*CT_LIST*/ {2,2,2,2,0,0,0,0}, /*CT_CREATE*/ {3,3,3,3,0,0,0,0}, /*CT_UPDATE*/ {2,2,2,2,0,0,0,0}, /*CT_DELETE*/ {2,2,2,2,0,0,0,0}, /*CT_GET*/ {3,3,3,3,0,0,0,0}, /*CT_FLUSH*/ {0,0,0,0,0,0,0,0}, /*CT_EVENT*/ {2,2,2,2,0,0,0,0}, /*CT_VERSION*/ {0,0,0,0,0,0,0,0}, /*CT_HELP*/ {0,0,0,0,0,0,0,0}, /*EXP_LIST*/ {0,0,0,0,0,0,0,0}, /*EXP_CREATE*/ {1,1,1,1,1,1,1,1}, /*EXP_DELETE*/ {1,1,1,1,0,0,0,0}, /*EXP_GET*/ {1,1,1,1,0,0,0,0}, /*EXP_FLUSH*/ {0,0,0,0,0,0,0,0}, /*EXP_EVENT*/ {0,0,0,0,0,0,0,0}, }; static int parse_options(char c, struct nf_conntrack *ct, struct nf_conntrack *exptuple, struct nf_conntrack *mask, unsigned int *flags) { switch(c) { uint16_t port; case '1': port = htons(strtoul(optarg, NULL, 0)); nfct_set_attr_u16(ct, ATTR_ORIG_PORT_SRC, port); nfct_set_attr_u8(ct, ATTR_ORIG_L4PROTO, IPPROTO_GRE); *flags |= CT_GRE_ORIG_SKEY; break; case '2': port = htons(strtoul(optarg, NULL, 0)); nfct_set_attr_u16(ct, ATTR_ORIG_PORT_DST, port); nfct_set_attr_u8(ct, ATTR_ORIG_L4PROTO, IPPROTO_GRE); *flags |= CT_GRE_ORIG_DKEY; break; case '3': port = htons(strtoul(optarg, NULL, 0)); nfct_set_attr_u16(ct, ATTR_REPL_PORT_SRC, port); nfct_set_attr_u8(ct, ATTR_REPL_L4PROTO, IPPROTO_GRE); *flags |= CT_GRE_REPL_SKEY; break; case '4': port = htons(strtoul(optarg, NULL, 0)); nfct_set_attr_u16(ct, ATTR_REPL_PORT_DST, port); nfct_set_attr_u8(ct, ATTR_REPL_L4PROTO, IPPROTO_GRE); *flags |= CT_GRE_REPL_DKEY; break; case '5': port = htons(strtoul(optarg, NULL, 0)); nfct_set_attr_u16(mask, ATTR_ORIG_PORT_SRC, port); nfct_set_attr_u8(mask, ATTR_ORIG_L4PROTO, IPPROTO_GRE); *flags |= CT_GRE_MASK_SKEY; break; case '6': port = htons(strtoul(optarg, NULL, 0)); nfct_set_attr_u16(mask, ATTR_ORIG_PORT_DST, port); nfct_set_attr_u8(mask, ATTR_ORIG_L4PROTO, IPPROTO_GRE); *flags |= CT_GRE_MASK_DKEY; break; case '7': port = htons(strtoul(optarg, NULL, 0)); nfct_set_attr_u16(exptuple, ATTR_ORIG_PORT_SRC, port); nfct_set_attr_u8(exptuple, ATTR_ORIG_L4PROTO, IPPROTO_GRE); *flags |= CT_GRE_EXPTUPLE_SKEY; break; case '8': port = htons(strtoul(optarg, NULL, 0)); nfct_set_attr_u16(exptuple, ATTR_ORIG_PORT_DST, port); nfct_set_attr_u8(exptuple, ATTR_ORIG_L4PROTO, IPPROTO_GRE); *flags |= CT_GRE_EXPTUPLE_DKEY; break; } return 1; } #define GRE_VALID_FLAGS_MAX 2 static unsigned int gre_valid_flags[GRE_VALID_FLAGS_MAX] = { CT_GRE_ORIG_SKEY | CT_GRE_ORIG_DKEY, CT_GRE_REPL_SKEY | CT_GRE_REPL_DKEY, }; static void final_check(unsigned int flags, unsigned int cmd, struct nf_conntrack *ct) { int ret, partial; ret = generic_opt_check(flags, GRE_OPT_MAX, gre_commands_v_options[cmd], gre_optflags, gre_valid_flags, GRE_VALID_FLAGS_MAX, &partial); if (!ret) { switch(partial) { case -1: case 0: exit_error(PARAMETER_PROBLEM, "you have to specify " "`--srckey' and " "`--dstkey'"); break; case 1: exit_error(PARAMETER_PROBLEM, "you have to specify " "`--reply-src-key' and " "`--reply-dst-key'"); break; } } } static struct ctproto_handler gre = { .name = "gre", .protonum = IPPROTO_GRE, .parse_opts = parse_options, .final_check = final_check, .help = help, .opts = opts, .version = VERSION, }; void register_gre(void) { register_proto(&gre); } conntrack-1.4.3/extensions/libct_proto_icmp.c000066400000000000000000000054321257407526400214140ustar00rootroot00000000000000/* * (C) 2005-2007 by Pablo Neira Ayuso * 2005 by Harald Welte * * 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 of the License, or * (at your option) any later version. * */ #include "conntrack.h" #include #include #include #include /* For htons */ #include #include enum { CT_ICMP_TYPE = (1 << 0), CT_ICMP_CODE = (1 << 1), CT_ICMP_ID = (1 << 2), }; static struct option opts[] = { {"icmp-type", 1, 0, '1'}, {"icmp-code", 1, 0, '2'}, {"icmp-id", 1, 0, '3'}, {0, 0, 0, 0} }; #define ICMP_NUMBER_OF_OPT 4 static const char *icmp_optflags[ICMP_NUMBER_OF_OPT] = { "icmp-type", "icmp-code", "icmp-id" }; static char icmp_commands_v_options[NUMBER_OF_CMD][ICMP_NUMBER_OF_OPT] = /* Well, it's better than "Re: Maradona vs Pele" */ { /* 1 2 3 */ /*CT_LIST*/ {2,2,2}, /*CT_CREATE*/ {1,1,2}, /*CT_UPDATE*/ {2,2,2}, /*CT_DELETE*/ {2,2,2}, /*CT_GET*/ {1,1,2}, /*CT_FLUSH*/ {0,0,0}, /*CT_EVENT*/ {2,2,2}, /*CT_VERSION*/ {0,0,0}, /*CT_HELP*/ {0,0,0}, /*EXP_LIST*/ {0,0,0}, /*EXP_CREATE*/ {0,0,0}, /*EXP_DELETE*/ {0,0,0}, /*EXP_GET*/ {0,0,0}, /*EXP_FLUSH*/ {0,0,0}, /*EXP_EVENT*/ {0,0,0}, }; static void help(void) { fprintf(stdout, " --icmp-type\t\t\ticmp type\n"); fprintf(stdout, " --icmp-code\t\t\ticmp code\n"); fprintf(stdout, " --icmp-id\t\t\ticmp id\n"); } static int parse(char c, struct nf_conntrack *ct, struct nf_conntrack *exptuple, struct nf_conntrack *mask, unsigned int *flags) { switch(c) { uint8_t tmp; uint16_t id; case '1': tmp = atoi(optarg); nfct_set_attr_u8(ct, ATTR_ICMP_TYPE, tmp); nfct_set_attr_u8(ct, ATTR_L4PROTO, IPPROTO_ICMP); *flags |= CT_ICMP_TYPE; break; case '2': tmp = atoi(optarg); nfct_set_attr_u8(ct, ATTR_ICMP_CODE, tmp); nfct_set_attr_u8(ct, ATTR_L4PROTO, IPPROTO_ICMP); *flags |= CT_ICMP_CODE; break; case '3': id = htons(atoi(optarg)); nfct_set_attr_u16(ct, ATTR_ICMP_ID, id); nfct_set_attr_u8(ct, ATTR_L4PROTO, IPPROTO_ICMP); *flags |= CT_ICMP_ID; break; } return 1; } static void final_check(unsigned int flags, unsigned int cmd, struct nf_conntrack *ct) { generic_opt_check(flags, ICMP_NUMBER_OF_OPT, icmp_commands_v_options[cmd], icmp_optflags, NULL, 0, NULL); } static struct ctproto_handler icmp = { .name = "icmp", .protonum = IPPROTO_ICMP, .parse_opts = parse, .final_check = final_check, .help = help, .opts = opts, .version = VERSION, }; void register_icmp(void) { register_proto(&icmp); } conntrack-1.4.3/extensions/libct_proto_icmpv6.c000066400000000000000000000056551257407526400216770ustar00rootroot00000000000000/* * (C) 2008 by Krzysztof Piotr Oledzki * * Based on libct_proto_icmp.c: * (C) 2005-2007 by Pablo Neira Ayuso * 2005 by Harald Welte * * 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 of the License, or * (at your option) any later version. * */ #include "conntrack.h" #include #include #include #include /* For htons */ #include #include enum { CT_ICMP_TYPE = (1 << 0), CT_ICMP_CODE = (1 << 1), CT_ICMP_ID = (1 << 2), }; static struct option opts[] = { { "icmpv6-type", 1, 0, '1' }, { "icmpv6-code", 1, 0, '2' }, { "icmpv6-id", 1, 0, '3' }, { 0, 0, 0, 0 }, }; #define ICMPV6_NUMBER_OF_OPT 4 static const char *icmpv6_optflags[ICMPV6_NUMBER_OF_OPT] = { "icmpv6-type", "icmpv6-code", "icmpv6-id" }; static char icmpv6_commands_v_options[NUMBER_OF_CMD][ICMPV6_NUMBER_OF_OPT] = /* Well, it's better than "Re: Maradona vs Pele" */ { /* 1 2 3 */ /*CT_LIST*/ {2,2,2}, /*CT_CREATE*/ {1,1,2}, /*CT_UPDATE*/ {2,2,2}, /*CT_DELETE*/ {2,2,2}, /*CT_GET*/ {1,1,2}, /*CT_FLUSH*/ {0,0,0}, /*CT_EVENT*/ {2,2,2}, /*CT_VERSION*/ {0,0,0}, /*CT_HELP*/ {0,0,0}, /*EXP_LIST*/ {0,0,0}, /*EXP_CREATE*/ {0,0,0}, /*EXP_DELETE*/ {0,0,0}, /*EXP_GET*/ {0,0,0}, /*EXP_FLUSH*/ {0,0,0}, /*EXP_EVENT*/ {0,0,0}, }; static void help(void) { fprintf(stdout, " --icmpv6-type\t\t\ticmpv6 type\n"); fprintf(stdout, " --icmpv6-code\t\t\ticmpv6 code\n"); fprintf(stdout, " --icmpv6-id\t\t\ticmpv6 id\n"); } static int parse(char c, struct nf_conntrack *ct, struct nf_conntrack *exptuple, struct nf_conntrack *mask, unsigned int *flags) { switch(c) { uint8_t tmp; uint16_t id; case '1': tmp = atoi(optarg); nfct_set_attr_u8(ct, ATTR_ICMP_TYPE, tmp); nfct_set_attr_u8(ct, ATTR_L4PROTO, IPPROTO_ICMPV6); *flags |= CT_ICMP_TYPE; break; case '2': tmp = atoi(optarg); nfct_set_attr_u8(ct, ATTR_ICMP_CODE, tmp); nfct_set_attr_u8(ct, ATTR_L4PROTO, IPPROTO_ICMPV6); *flags |= CT_ICMP_CODE; break; case '3': id = htons(atoi(optarg)); nfct_set_attr_u16(ct, ATTR_ICMP_ID, id); nfct_set_attr_u8(ct, ATTR_L4PROTO, IPPROTO_ICMPV6); *flags |= CT_ICMP_ID; break; } return 1; } static void final_check(unsigned int flags, unsigned int cmd, struct nf_conntrack *ct) { generic_opt_check(flags, ICMPV6_NUMBER_OF_OPT, icmpv6_commands_v_options[cmd], icmpv6_optflags, NULL, 0, NULL); } static struct ctproto_handler icmpv6 = { .name = "icmpv6", .protonum = IPPROTO_ICMPV6, .parse_opts = parse, .final_check = final_check, .help = help, .opts = opts, .version = VERSION, }; void register_icmpv6(void) { register_proto(&icmpv6); } conntrack-1.4.3/extensions/libct_proto_sctp.c000066400000000000000000000164341257407526400214410ustar00rootroot00000000000000/* * (C) 2009 by Pablo Neira Ayuso * * 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 of the License, or * (at your option) any later version. * */ #include #include #include #include #include /* For htons */ #include #include #include "conntrack.h" #ifndef IPPROTO_SCTP #define IPPROTO_SCTP 132 #endif enum { CT_SCTP_ORIG_SPORT = (1 << 0), CT_SCTP_ORIG_DPORT = (1 << 1), CT_SCTP_REPL_SPORT = (1 << 2), CT_SCTP_REPL_DPORT = (1 << 3), CT_SCTP_MASK_SPORT = (1 << 4), CT_SCTP_MASK_DPORT = (1 << 5), CT_SCTP_STATE = (1 << 6), CT_SCTP_EXPTUPLE_SPORT = (1 << 7), CT_SCTP_EXPTUPLE_DPORT = (1 << 8), CT_SCTP_ORIG_VTAG = (1 << 9), CT_SCTP_REPL_VTAG = (1 << 10), }; #define SCTP_OPT_MAX 14 static struct option opts[SCTP_OPT_MAX] = { { .name = "orig-port-src", .has_arg = 1, .val = 1 }, { .name = "orig-port-dst", .has_arg = 1, .val = 2 }, { .name = "reply-port-src", .has_arg = 1, .val = 3 }, { .name = "reply-port-dst", .has_arg = 1, .val = 4 }, { .name = "mask-port-src", .has_arg = 1, .val = 5 }, { .name = "mask-port-dst", .has_arg = 1, .val = 6 }, { .name = "state", .has_arg = 1, .val = 7 }, { .name = "tuple-port-src", .has_arg = 1, .val = 8 }, { .name = "tuple-port-dst", .has_arg = 1, .val = 9 }, { .name = "orig-vtag", .has_arg = 1, .val = 10 }, { .name = "reply-vtag", .has_arg = 1, .val = 11 }, { .name = "sport", .has_arg = 1, .val = 1 }, /* alias */ { .name = "dport", .has_arg = 1, .val = 2 }, /* alias */ {0, 0, 0, 0} }; static const char *sctp_optflags[SCTP_OPT_MAX] = { [0] = "sport", [1] = "dport", [2] = "reply-port-src", [3] = "reply-port-dst", [4] = "mask-port-src", [5] = "mask-port-dst", [6] = "state", [7] = "tuple-port-src", [8] = "tuple-port-dst", [9] = "orig-vtag", [10] = "reply-vtag", }; static char sctp_commands_v_options[NUMBER_OF_CMD][SCTP_OPT_MAX] = /* Well, it's better than "Re: Sevilla vs Betis" */ { /* 1 2 3 4 5 6 7 8 9 10 11*/ /*CT_LIST*/ {2,2,2,2,0,0,2,0,0,0,0}, /*CT_CREATE*/ {3,3,3,3,0,0,1,0,0,1,1}, /*CT_UPDATE*/ {2,2,2,2,0,0,2,0,0,2,2}, /*CT_DELETE*/ {2,2,2,2,0,0,2,0,0,0,0}, /*CT_GET*/ {3,3,3,3,0,0,2,0,0,2,2}, /*CT_FLUSH*/ {0,0,0,0,0,0,0,0,0,0,0}, /*CT_EVENT*/ {2,2,2,2,0,0,2,0,0,0,0}, /*CT_VERSION*/ {0,0,0,0,0,0,0,0,0,0,0}, /*CT_HELP*/ {0,0,0,0,0,0,0,0,0,0,0}, /*EXP_LIST*/ {0,0,0,0,0,0,0,0,0,0,0}, /*EXP_CREATE*/ {1,1,0,0,1,1,0,1,1,1,1}, /*EXP_DELETE*/ {1,1,1,1,0,0,0,0,0,0,0}, /*EXP_GET*/ {1,1,1,1,0,0,0,0,0,0,0}, /*EXP_FLUSH*/ {0,0,0,0,0,0,0,0,0,0,0}, /*EXP_EVENT*/ {0,0,0,0,0,0,0,0,0,0,0}, }; static const char *sctp_states[SCTP_CONNTRACK_MAX] = { [SCTP_CONNTRACK_NONE] = "NONE", [SCTP_CONNTRACK_CLOSED] = "CLOSED", [SCTP_CONNTRACK_COOKIE_WAIT] = "COOKIE_WAIT", [SCTP_CONNTRACK_COOKIE_ECHOED] = "COOKIE_ECHOED", [SCTP_CONNTRACK_ESTABLISHED] = "ESTABLISHED", [SCTP_CONNTRACK_SHUTDOWN_SENT] = "SHUTDOWN_SENT", [SCTP_CONNTRACK_SHUTDOWN_RECD] = "SHUTDOWN_RECD", [SCTP_CONNTRACK_SHUTDOWN_ACK_SENT] = "SHUTDOWN_ACK_SENT", }; static void help(void) { fprintf(stdout, " --orig-port-src\t\toriginal source port\n"); fprintf(stdout, " --orig-port-dst\t\toriginal destination port\n"); fprintf(stdout, " --reply-port-src\t\treply source port\n"); fprintf(stdout, " --reply-port-dst\t\treply destination port\n"); fprintf(stdout, " --mask-port-src\t\tmask source port\n"); fprintf(stdout, " --mask-port-dst\t\tmask destination port\n"); fprintf(stdout, " --tuple-port-src\t\texpectation tuple src port\n"); fprintf(stdout, " --tuple-port-src\t\texpectation tuple dst port\n"); fprintf(stdout, " --state\t\t\tSCTP state, fe. ESTABLISHED\n"); fprintf(stdout, " --orig-vtag\t\toriginal verification tag\n"); fprintf(stdout, " --reply-vtag\t\treply verification tag\n"); } static int parse_options(char c, struct nf_conntrack *ct, struct nf_conntrack *exptuple, struct nf_conntrack *mask, unsigned int *flags) { int i; uint16_t port; uint32_t vtag; switch(c) { case 1: port = htons(atoi(optarg)); nfct_set_attr_u16(ct, ATTR_ORIG_PORT_SRC, port); nfct_set_attr_u8(ct, ATTR_ORIG_L4PROTO, IPPROTO_SCTP); *flags |= CT_SCTP_ORIG_SPORT; break; case 2: port = htons(atoi(optarg)); nfct_set_attr_u16(ct, ATTR_ORIG_PORT_DST, port); nfct_set_attr_u8(ct, ATTR_ORIG_L4PROTO, IPPROTO_SCTP); *flags |= CT_SCTP_ORIG_DPORT; break; case 3: port = htons(atoi(optarg)); nfct_set_attr_u16(ct, ATTR_REPL_PORT_SRC, port); nfct_set_attr_u8(ct, ATTR_REPL_L4PROTO, IPPROTO_SCTP); *flags |= CT_SCTP_REPL_SPORT; break; case 4: port = htons(atoi(optarg)); nfct_set_attr_u16(ct, ATTR_REPL_PORT_DST, port); nfct_set_attr_u8(ct, ATTR_REPL_L4PROTO, IPPROTO_SCTP); *flags |= CT_SCTP_REPL_DPORT; break; case 5: port = htons(atoi(optarg)); nfct_set_attr_u16(mask, ATTR_ORIG_PORT_SRC, port); nfct_set_attr_u8(mask, ATTR_ORIG_L4PROTO, IPPROTO_SCTP); *flags |= CT_SCTP_MASK_SPORT; break; case 6: port = htons(atoi(optarg)); nfct_set_attr_u16(mask, ATTR_ORIG_PORT_DST, port); nfct_set_attr_u8(mask, ATTR_ORIG_L4PROTO, IPPROTO_SCTP); *flags |= CT_SCTP_MASK_DPORT; break; case 7: for (i=0; i * * 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 of the License, or * (at your option) any later version. * */ #include #include #include #include #include /* For htons */ #include #include #include "conntrack.h" enum { CT_TCP_ORIG_SPORT = (1 << 0), CT_TCP_ORIG_DPORT = (1 << 1), CT_TCP_REPL_SPORT = (1 << 2), CT_TCP_REPL_DPORT = (1 << 3), CT_TCP_MASK_SPORT = (1 << 4), CT_TCP_MASK_DPORT = (1 << 5), CT_TCP_STATE = (1 << 6), CT_TCP_EXPTUPLE_SPORT = (1 << 7), CT_TCP_EXPTUPLE_DPORT = (1 << 8) }; static struct option opts[] = { {"orig-port-src", 1, 0, '1'}, {"sport", 1, 0, '1'}, {"orig-port-dst", 1, 0, '2'}, {"dport", 1, 0, '2'}, {"reply-port-src", 1, 0, '3'}, {"reply-port-dst", 1, 0, '4'}, {"mask-port-src", 1, 0, '5'}, {"mask-port-dst", 1, 0, '6'}, {"state", 1, 0, '7'}, {"tuple-port-src", 1, 0, '8'}, {"tuple-port-dst", 1, 0, '9'}, {0, 0, 0, 0} }; #define TCP_NUMBER_OF_OPT 10 static const char *tcp_optflags[TCP_NUMBER_OF_OPT] = { "sport", "dport", "reply-port-src", "reply-port-dst", "mask-port-src", "mask-port-dst", "state", "tuple-port-src", "tuple-port-dst" }; static char tcp_commands_v_options[NUMBER_OF_CMD][TCP_NUMBER_OF_OPT] = /* Well, it's better than "Re: Sevilla vs Betis" */ { /* 1 2 3 4 5 6 7 8 9 */ /*CT_LIST*/ {2,2,2,2,0,0,2,0,0}, /*CT_CREATE*/ {3,3,3,3,0,0,1,0,0}, /*CT_UPDATE*/ {2,2,2,2,0,0,2,0,0}, /*CT_DELETE*/ {2,2,2,2,0,0,2,0,0}, /*CT_GET*/ {3,3,3,3,0,0,2,0,0}, /*CT_FLUSH*/ {0,0,0,0,0,0,0,0,0}, /*CT_EVENT*/ {2,2,2,2,0,0,2,0,0}, /*CT_VERSION*/ {0,0,0,0,0,0,0,0,0}, /*CT_HELP*/ {0,0,0,0,0,0,0,0,0}, /*EXP_LIST*/ {0,0,0,0,0,0,0,0,0}, /*EXP_CREATE*/ {1,1,0,0,1,1,0,1,1}, /*EXP_DELETE*/ {1,1,1,1,0,0,0,0,0}, /*EXP_GET*/ {1,1,1,1,0,0,0,0,0}, /*EXP_FLUSH*/ {0,0,0,0,0,0,0,0,0}, /*EXP_EVENT*/ {0,0,0,0,0,0,0,0,0}, }; static const char *tcp_states[TCP_CONNTRACK_MAX] = { [TCP_CONNTRACK_NONE] = "NONE", [TCP_CONNTRACK_SYN_SENT] = "SYN_SENT", [TCP_CONNTRACK_SYN_RECV] = "SYN_RECV", [TCP_CONNTRACK_ESTABLISHED] = "ESTABLISHED", [TCP_CONNTRACK_FIN_WAIT] = "FIN_WAIT", [TCP_CONNTRACK_CLOSE_WAIT] = "CLOSE_WAIT", [TCP_CONNTRACK_LAST_ACK] = "LAST_ACK", [TCP_CONNTRACK_TIME_WAIT] = "TIME_WAIT", [TCP_CONNTRACK_CLOSE] = "CLOSE", /* Since Linux kernel 2.6.31, LISTEN is SYN_SENT2. */ [TCP_CONNTRACK_SYN_SENT2] = "SYN_SENT2" }; static void help(void) { fprintf(stdout, " --orig-port-src\t\toriginal source port\n"); fprintf(stdout, " --orig-port-dst\t\toriginal destination port\n"); fprintf(stdout, " --reply-port-src\t\treply source port\n"); fprintf(stdout, " --reply-port-dst\t\treply destination port\n"); fprintf(stdout, " --mask-port-src\t\tmask source port\n"); fprintf(stdout, " --mask-port-dst\t\tmask destination port\n"); fprintf(stdout, " --tuple-port-src\t\texpectation tuple src port\n"); fprintf(stdout, " --tuple-port-src\t\texpectation tuple dst port\n"); fprintf(stdout, " --state\t\t\tTCP state, fe. ESTABLISHED\n"); } static int parse_options(char c, struct nf_conntrack *ct, struct nf_conntrack *exptuple, struct nf_conntrack *mask, unsigned int *flags) { int i; uint16_t port; switch(c) { case '1': port = htons(atoi(optarg)); nfct_set_attr_u16(ct, ATTR_ORIG_PORT_SRC, port); nfct_set_attr_u8(ct, ATTR_ORIG_L4PROTO, IPPROTO_TCP); *flags |= CT_TCP_ORIG_SPORT; break; case '2': port = htons(atoi(optarg)); nfct_set_attr_u16(ct, ATTR_ORIG_PORT_DST, port); nfct_set_attr_u8(ct, ATTR_ORIG_L4PROTO, IPPROTO_TCP); *flags |= CT_TCP_ORIG_DPORT; break; case '3': port = htons(atoi(optarg)); nfct_set_attr_u16(ct, ATTR_REPL_PORT_SRC, port); nfct_set_attr_u8(ct, ATTR_REPL_L4PROTO, IPPROTO_TCP); *flags |= CT_TCP_REPL_SPORT; break; case '4': port = htons(atoi(optarg)); nfct_set_attr_u16(ct, ATTR_REPL_PORT_DST, port); nfct_set_attr_u8(ct, ATTR_REPL_L4PROTO, IPPROTO_TCP); *flags |= CT_TCP_REPL_DPORT; break; case '5': port = htons(atoi(optarg)); nfct_set_attr_u16(mask, ATTR_ORIG_PORT_SRC, port); nfct_set_attr_u8(mask, ATTR_ORIG_L4PROTO, IPPROTO_TCP); *flags |= CT_TCP_MASK_SPORT; break; case '6': port = htons(atoi(optarg)); nfct_set_attr_u16(mask, ATTR_ORIG_PORT_DST, port); nfct_set_attr_u8(mask, ATTR_ORIG_L4PROTO, IPPROTO_TCP); *flags |= CT_TCP_MASK_DPORT; break; case '7': for (i=0; i= TCP_CONNTRACK_TIME_WAIT) tcp_flags |= IP_CT_TCP_FLAG_CLOSE_INIT; nfct_set_attr_u8(ct, ATTR_TCP_FLAGS_ORIG, tcp_flags); nfct_set_attr_u8(ct, ATTR_TCP_MASK_ORIG, tcp_flags); nfct_set_attr_u8(ct, ATTR_TCP_FLAGS_REPL, tcp_flags); nfct_set_attr_u8(ct, ATTR_TCP_MASK_REPL, tcp_flags); } static struct ctproto_handler tcp = { .name = "tcp", .protonum = IPPROTO_TCP, .parse_opts = parse_options, .final_check = final_check, .help = help, .opts = opts, .version = VERSION, }; void register_tcp(void) { register_proto(&tcp); } conntrack-1.4.3/extensions/libct_proto_udp.c000066400000000000000000000126101257407526400212500ustar00rootroot00000000000000/* * (C) 2005-2007 by Pablo Neira Ayuso * * 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 of the License, or * (at your option) any later version. * */ #include #include #include #include /* For htons */ #include #include "conntrack.h" enum { CT_UDP_ORIG_SPORT = (1 << 0), CT_UDP_ORIG_DPORT = (1 << 1), CT_UDP_REPL_SPORT = (1 << 2), CT_UDP_REPL_DPORT = (1 << 3), CT_UDP_MASK_SPORT = (1 << 4), CT_UDP_MASK_DPORT = (1 << 5), CT_UDP_EXPTUPLE_SPORT = (1 << 6), CT_UDP_EXPTUPLE_DPORT = (1 << 7) }; static struct option opts[] = { {"orig-port-src", 1, 0, '1'}, {"sport", 1, 0, '1'}, {"orig-port-dst", 1, 0, '2'}, {"dport", 1, 0, '2'}, {"reply-port-src", 1, 0, '3'}, {"reply-port-dst", 1, 0, '4'}, {"mask-port-src", 1, 0, '5'}, {"mask-port-dst", 1, 0, '6'}, {"tuple-port-src", 1, 0, '7'}, {"tuple-port-dst", 1, 0, '8'}, {0, 0, 0, 0} }; #define UDP_NUMBER_OF_OPT 9 static const char *udp_optflags[UDP_NUMBER_OF_OPT] = { "sport", "dport", "reply-port-src", "reply-port-dst", "mask-port-src", "mask-port-dst", "tuple-port-src", "tuple-port-dst" }; static void help(void) { fprintf(stdout, " --orig-port-src\t\toriginal source port\n"); fprintf(stdout, " --orig-port-dst\t\toriginal destination port\n"); fprintf(stdout, " --reply-port-src\t\treply source port\n"); fprintf(stdout, " --reply-port-dst\t\treply destination port\n"); fprintf(stdout, " --mask-port-src\t\tmask source port\n"); fprintf(stdout, " --mask-port-dst\t\tmask destination port\n"); fprintf(stdout, " --tuple-port-src\t\texpectation tuple src port\n"); fprintf(stdout, " --tuple-port-src\t\texpectation tuple dst port\n"); } static char udp_commands_v_options[NUMBER_OF_CMD][UDP_NUMBER_OF_OPT] = /* Well, it's better than "Re: Galeano vs Vargas Llosa" */ { /* 1 2 3 4 5 6 7 8 */ /*CT_LIST*/ {2,2,2,2,0,0,0,0}, /*CT_CREATE*/ {3,3,3,3,0,0,0,0}, /*CT_UPDATE*/ {2,2,2,2,0,0,0,0}, /*CT_DELETE*/ {2,2,2,2,0,0,0,0}, /*CT_GET*/ {3,3,3,3,0,0,0,0}, /*CT_FLUSH*/ {0,0,0,0,0,0,0,0}, /*CT_EVENT*/ {2,2,2,2,0,0,0,0}, /*CT_VERSION*/ {0,0,0,0,0,0,0,0}, /*CT_HELP*/ {0,0,0,0,0,0,0,0}, /*EXP_LIST*/ {0,0,0,0,0,0,0,0}, /*EXP_CREATE*/ {1,1,0,0,1,1,1,1}, /*EXP_DELETE*/ {1,1,1,1,0,0,0,0}, /*EXP_GET*/ {1,1,1,1,0,0,0,0}, /*EXP_FLUSH*/ {0,0,0,0,0,0,0,0}, /*EXP_EVENT*/ {0,0,0,0,0,0,0,0}, }; static int parse_options(char c, struct nf_conntrack *ct, struct nf_conntrack *exptuple, struct nf_conntrack *mask, unsigned int *flags) { switch(c) { uint16_t port; case '1': port = htons(atoi(optarg)); nfct_set_attr_u16(ct, ATTR_ORIG_PORT_SRC, port); nfct_set_attr_u8(ct, ATTR_ORIG_L4PROTO, IPPROTO_UDP); *flags |= CT_UDP_ORIG_SPORT; break; case '2': port = htons(atoi(optarg)); nfct_set_attr_u16(ct, ATTR_ORIG_PORT_DST, port); nfct_set_attr_u8(ct, ATTR_ORIG_L4PROTO, IPPROTO_UDP); *flags |= CT_UDP_ORIG_DPORT; break; case '3': port = htons(atoi(optarg)); nfct_set_attr_u16(ct, ATTR_REPL_PORT_SRC, port); nfct_set_attr_u8(ct, ATTR_REPL_L4PROTO, IPPROTO_UDP); *flags |= CT_UDP_REPL_SPORT; break; case '4': port = htons(atoi(optarg)); nfct_set_attr_u16(ct, ATTR_REPL_PORT_DST, port); nfct_set_attr_u8(ct, ATTR_REPL_L4PROTO, IPPROTO_UDP); *flags |= CT_UDP_REPL_DPORT; break; case '5': port = htons(atoi(optarg)); nfct_set_attr_u16(mask, ATTR_ORIG_PORT_SRC, port); nfct_set_attr_u8(mask, ATTR_ORIG_L4PROTO, IPPROTO_UDP); *flags |= CT_UDP_MASK_SPORT; break; case '6': port = htons(atoi(optarg)); nfct_set_attr_u16(mask, ATTR_ORIG_PORT_DST, port); nfct_set_attr_u8(mask, ATTR_ORIG_L4PROTO, IPPROTO_UDP); *flags |= CT_UDP_MASK_DPORT; break; case '7': port = htons(atoi(optarg)); nfct_set_attr_u16(exptuple, ATTR_ORIG_PORT_SRC, port); nfct_set_attr_u8(exptuple, ATTR_ORIG_L4PROTO, IPPROTO_UDP); *flags |= CT_UDP_EXPTUPLE_SPORT; break; case '8': port = htons(atoi(optarg)); nfct_set_attr_u16(exptuple, ATTR_ORIG_PORT_DST, port); nfct_set_attr_u8(exptuple, ATTR_ORIG_L4PROTO, IPPROTO_UDP); *flags |= CT_UDP_EXPTUPLE_DPORT; break; } return 1; } #define UDP_VALID_FLAGS_MAX 2 static unsigned int udp_valid_flags[UDP_VALID_FLAGS_MAX] = { CT_UDP_ORIG_SPORT | CT_UDP_ORIG_DPORT, CT_UDP_REPL_SPORT | CT_UDP_REPL_DPORT, }; static void final_check(unsigned int flags, unsigned int cmd, struct nf_conntrack *ct) { int ret, partial; ret = generic_opt_check(flags, UDP_NUMBER_OF_OPT, udp_commands_v_options[cmd], udp_optflags, udp_valid_flags, UDP_VALID_FLAGS_MAX, &partial); if (!ret) { switch(partial) { case -1: case 0: exit_error(PARAMETER_PROBLEM, "you have to specify " "`--sport' and " "`--dport'"); break; case 1: exit_error(PARAMETER_PROBLEM, "you have to specify " "`--reply-src-port' and " "`--reply-dst-port'"); break; } } } static struct ctproto_handler udp = { .name = "udp", .protonum = IPPROTO_UDP, .parse_opts = parse_options, .final_check = final_check, .help = help, .opts = opts, .version = VERSION, }; void register_udp(void) { register_proto(&udp); } conntrack-1.4.3/extensions/libct_proto_udplite.c000066400000000000000000000133331257407526400221310ustar00rootroot00000000000000/* * (C) 2009 by Pablo Neira Ayuso * * 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 of the License, or * (at your option) any later version. * */ #include #include #include #include /* For htons */ #include #include "conntrack.h" #ifndef IPPROTO_UDPLITE #define IPPROTO_UDPLITE 136 #endif enum { CT_UDPLITE_ORIG_SPORT = (1 << 0), CT_UDPLITE_ORIG_DPORT = (1 << 1), CT_UDPLITE_REPL_SPORT = (1 << 2), CT_UDPLITE_REPL_DPORT = (1 << 3), CT_UDPLITE_MASK_SPORT = (1 << 4), CT_UDPLITE_MASK_DPORT = (1 << 5), CT_UDPLITE_EXPTUPLE_SPORT = (1 << 6), CT_UDPLITE_EXPTUPLE_DPORT = (1 << 7) }; #define UDP_OPT_MAX 11 static struct option opts[UDP_OPT_MAX] = { { .name = "orig-port-src", .has_arg = 1, .val = '1' }, { .name = "orig-port-dst", .has_arg = 1, .val = '2' }, { .name = "reply-port-src", .has_arg = 1, .val = '3' }, { .name = "reply-port-dst", .has_arg = 1, .val = '4' }, { .name = "mask-port-src", .has_arg = 1, .val = '5' }, { .name = "mask-port-dst", .has_arg = 1, .val = '6' }, { .name = "tuple-port-src", .has_arg = 1, .val = '7' }, { .name = "tuple-port-dst", .has_arg = 1, .val = '8' }, { .name = "sport", .has_arg = 1, .val = '1' }, { .name = "dport", .has_arg = 1, .val = '2' }, {0, 0, 0, 0} }; static const char *udplite_optflags[UDP_OPT_MAX] = { [0] = "sport", [1] = "dport", [2] = "reply-port-src", [3] = "reply-port-dst", [4] = "mask-port-src", [5] = "mask-port-dst", [6] = "tuple-port-src", [7] = "tuple-port-dst" }; static void help(void) { fprintf(stdout, " --orig-port-src\t\toriginal source port\n"); fprintf(stdout, " --orig-port-dst\t\toriginal destination port\n"); fprintf(stdout, " --reply-port-src\t\treply source port\n"); fprintf(stdout, " --reply-port-dst\t\treply destination port\n"); fprintf(stdout, " --mask-port-src\t\tmask source port\n"); fprintf(stdout, " --mask-port-dst\t\tmask destination port\n"); fprintf(stdout, " --tuple-port-src\t\texpectation tuple src port\n"); fprintf(stdout, " --tuple-port-src\t\texpectation tuple dst port\n"); } static char udplite_commands_v_options[NUMBER_OF_CMD][UDP_OPT_MAX] = { /* 1 2 3 4 5 6 7 8 */ /*CT_LIST*/ {2,2,2,2,0,0,0,0}, /*CT_CREATE*/ {3,3,3,3,0,0,0,0}, /*CT_UPDATE*/ {2,2,2,2,0,0,0,0}, /*CT_DELETE*/ {2,2,2,2,0,0,0,0}, /*CT_GET*/ {3,3,3,3,0,0,0,0}, /*CT_FLUSH*/ {0,0,0,0,0,0,0,0}, /*CT_EVENT*/ {2,2,2,2,0,0,0,0}, /*CT_VERSION*/ {0,0,0,0,0,0,0,0}, /*CT_HELP*/ {0,0,0,0,0,0,0,0}, /*EXP_LIST*/ {0,0,0,0,0,0,0,0}, /*EXP_CREATE*/ {1,1,0,0,1,1,1,1}, /*EXP_DELETE*/ {1,1,1,1,0,0,0,0}, /*EXP_GET*/ {1,1,1,1,0,0,0,0}, /*EXP_FLUSH*/ {0,0,0,0,0,0,0,0}, /*EXP_EVENT*/ {0,0,0,0,0,0,0,0}, }; static int parse_options(char c, struct nf_conntrack *ct, struct nf_conntrack *exptuple, struct nf_conntrack *mask, unsigned int *flags) { switch(c) { uint16_t port; case '1': port = htons(atoi(optarg)); nfct_set_attr_u16(ct, ATTR_ORIG_PORT_SRC, port); nfct_set_attr_u8(ct, ATTR_ORIG_L4PROTO, IPPROTO_UDPLITE); *flags |= CT_UDPLITE_ORIG_SPORT; break; case '2': port = htons(atoi(optarg)); nfct_set_attr_u16(ct, ATTR_ORIG_PORT_DST, port); nfct_set_attr_u8(ct, ATTR_ORIG_L4PROTO, IPPROTO_UDPLITE); *flags |= CT_UDPLITE_ORIG_DPORT; break; case '3': port = htons(atoi(optarg)); nfct_set_attr_u16(ct, ATTR_REPL_PORT_SRC, port); nfct_set_attr_u8(ct, ATTR_REPL_L4PROTO, IPPROTO_UDPLITE); *flags |= CT_UDPLITE_REPL_SPORT; break; case '4': port = htons(atoi(optarg)); nfct_set_attr_u16(ct, ATTR_REPL_PORT_DST, port); nfct_set_attr_u8(ct, ATTR_REPL_L4PROTO, IPPROTO_UDPLITE); *flags |= CT_UDPLITE_REPL_DPORT; break; case '5': port = htons(atoi(optarg)); nfct_set_attr_u16(mask, ATTR_ORIG_PORT_SRC, port); nfct_set_attr_u8(mask, ATTR_ORIG_L4PROTO, IPPROTO_UDPLITE); *flags |= CT_UDPLITE_MASK_SPORT; break; case '6': port = htons(atoi(optarg)); nfct_set_attr_u16(mask, ATTR_ORIG_PORT_DST, port); nfct_set_attr_u8(mask, ATTR_ORIG_L4PROTO, IPPROTO_UDPLITE); *flags |= CT_UDPLITE_MASK_DPORT; break; case '7': port = htons(atoi(optarg)); nfct_set_attr_u16(exptuple, ATTR_ORIG_PORT_SRC, port); nfct_set_attr_u8(exptuple, ATTR_ORIG_L4PROTO, IPPROTO_UDPLITE); *flags |= CT_UDPLITE_EXPTUPLE_SPORT; break; case '8': port = htons(atoi(optarg)); nfct_set_attr_u16(exptuple, ATTR_ORIG_PORT_DST, port); nfct_set_attr_u8(exptuple, ATTR_ORIG_L4PROTO, IPPROTO_UDPLITE); *flags |= CT_UDPLITE_EXPTUPLE_DPORT; break; } return 1; } #define UDPLITE_VALID_FLAGS_MAX 2 static unsigned int udplite_valid_flags[UDPLITE_VALID_FLAGS_MAX] = { CT_UDPLITE_ORIG_SPORT | CT_UDPLITE_ORIG_DPORT, CT_UDPLITE_REPL_SPORT | CT_UDPLITE_REPL_DPORT, }; static void final_check(unsigned int flags, unsigned int cmd, struct nf_conntrack *ct) { int ret, partial; ret = generic_opt_check(flags, UDP_OPT_MAX, udplite_commands_v_options[cmd], udplite_optflags, udplite_valid_flags, UDPLITE_VALID_FLAGS_MAX, &partial); if (!ret) { switch(partial) { case -1: case 0: exit_error(PARAMETER_PROBLEM, "you have to specify " "`--sport' and " "`--dport'"); break; case 1: exit_error(PARAMETER_PROBLEM, "you have to specify " "`--reply-src-port' and " "`--reply-dst-port'"); break; } } } static struct ctproto_handler udplite = { .name = "udplite", .protonum = IPPROTO_UDPLITE, .parse_opts = parse_options, .final_check = final_check, .help = help, .opts = opts, .version = VERSION, }; void register_udplite(void) { register_proto(&udplite); } conntrack-1.4.3/extensions/libct_proto_unknown.c000066400000000000000000000013651257407526400221640ustar00rootroot00000000000000/* * (C) 2005-2008 by Pablo Neira Ayuso * * 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 of the License, or * (at your option) any later version. * */ #include #include #include "conntrack.h" static struct option opts[] = { {0, 0, 0, 0} }; static void help(void) { fprintf(stdout, " no options (unsupported)\n"); } struct ctproto_handler ct_proto_unknown = { .name = "unknown", .help = help, .opts = opts, .version = VERSION, }; 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struct list_head list; struct timeval tv; void *data; void (*function)(struct alarm_block *a, void *data); }; void init_alarm(struct alarm_block *t, void *data, void (*fcn)(struct alarm_block *a, void *data)); void add_alarm(struct alarm_block *alarm, unsigned long sc, unsigned long usc); void del_alarm(struct alarm_block *alarm); int alarm_pending(struct alarm_block *alarm); struct timeval * get_next_alarm_run(struct timeval *next_alarm); struct timeval * do_alarm_run(struct timeval *next_alarm); #endif conntrack-1.4.3/include/bitops.h000066400000000000000000000012771257407526400166200ustar00rootroot00000000000000#ifndef _BITOPS_H_ #define _BITOPS_H_ #include static inline void set_bit_u32(int nr, uint32_t *addr) { addr[nr >> 5] |= (1UL << (nr & 31)); } static inline void unset_bit_u32(int nr, uint32_t *addr) { addr[nr >> 5] &= ~(1UL << (nr & 31)); } static inline int test_bit_u32(int nr, const uint32_t *addr) { return ((1UL << (nr & 31)) & (addr[nr >> 5])) != 0; } static inline void set_bit_u16(int nr, uint16_t *addr) { addr[nr >> 4] |= (1UL << (nr & 15)); } static inline void unset_bit_u16(int nr, uint16_t *addr) { addr[nr >> 4] &= ~(1UL << (nr & 15)); } static inline int test_bit_u16(int nr, const uint16_t *addr) { return ((1UL << (nr & 15)) & (addr[nr >> 4])) != 0; } #endif conntrack-1.4.3/include/cache.h000066400000000000000000000110301257407526400163470ustar00rootroot00000000000000#ifndef _CACHE_H_ #define _CACHE_H_ #include #include #include "hash.h" #include "date.h" /* cache features */ enum { NO_FEATURES = 0, TIMER_FEATURE = 0, TIMER = (1 << TIMER_FEATURE), __CACHE_MAX_FEATURE }; #define CACHE_MAX_FEATURE __CACHE_MAX_FEATURE enum { C_OBJ_NONE = 0, /* not in the cache */ C_OBJ_NEW, /* just added to the cache */ C_OBJ_ALIVE, /* in the cache, alive */ C_OBJ_DEAD, /* still in the cache, but dead */ C_OBJ_MAX }; struct cache; struct cache_object { struct hashtable_node hashnode; void *ptr; struct cache *cache; int status; int refcnt; long lifetime; long lastupdate; char data[0]; }; struct cache_feature { size_t size; void (*add)(struct cache_object *obj, void *data); void (*update)(struct cache_object *obj, void *data); void (*destroy)(struct cache_object *obj, void *data); int (*dump)(struct cache_object *obj, void *data, char *buf, int type); }; extern struct cache_feature timer_feature; #define CACHE_MAX_NAMELEN 32 enum cache_type { CACHE_T_NONE = 0, CACHE_T_CT, CACHE_T_EXP, CACHE_T_MAX }; struct cache { char name[CACHE_MAX_NAMELEN]; enum cache_type type; struct hashtable *h; unsigned int num_features; struct cache_feature **features; unsigned int feature_type[CACHE_MAX_FEATURE]; unsigned int *feature_offset; struct cache_ops *ops; struct cache_extra *extra; unsigned int extra_offset; size_t object_size; /* statistics */ struct { uint32_t active; uint32_t add_ok; uint32_t del_ok; uint32_t upd_ok; uint32_t add_fail; uint32_t del_fail; uint32_t upd_fail; uint32_t add_fail_enomem; uint32_t add_fail_enospc; uint32_t del_fail_enoent; uint32_t upd_fail_enoent; uint32_t commit_ok; uint32_t commit_fail; uint32_t flush; uint32_t objects; } stats; }; struct cache_extra { unsigned int size; void (*add)(struct cache_object *obj, void *data); void (*update)(struct cache_object *obj, void *data); void (*destroy)(struct cache_object *obj, void *data); }; struct nfct_handle; /* cache options depends on the object type: conntrack or expectation. */ struct cache_ops { /* hashing and comparison of objects. */ uint32_t (*hash)(const void *data, const struct hashtable *table); int (*cmp)(const void *data1, const void *data2); /* object allocation, copy and release. */ void *(*alloc)(void); void (*copy)(void *dst, void *src, unsigned int flags); void (*free)(void *ptr); /* dump and commit. */ int (*dump_step)(void *data1, void *n); int (*commit)(struct cache *c, struct nfct_handle *h, int clientfd); /* build network message from object. */ struct nethdr *(*build_msg)(const struct cache_object *obj, int type); }; /* templates to configure conntrack caching. */ extern struct cache_ops cache_sync_internal_ct_ops; extern struct cache_ops cache_sync_external_ct_ops; extern struct cache_ops cache_stats_ct_ops; /* templates to configure expectation caching. */ extern struct cache_ops cache_sync_internal_exp_ops; extern struct cache_ops cache_sync_external_exp_ops; struct nf_conntrack; struct cache *cache_create(const char *name, enum cache_type type, unsigned int features, struct cache_extra *extra, struct cache_ops *ops); void cache_destroy(struct cache *e); struct cache_object *cache_object_new(struct cache *c, void *ptr); void cache_object_free(struct cache_object *obj); void cache_object_get(struct cache_object *obj); int cache_object_put(struct cache_object *obj); void cache_object_set_status(struct cache_object *obj, int status); int cache_add(struct cache *c, struct cache_object *obj, int id); void cache_update(struct cache *c, struct cache_object *obj, int id, void *ptr); struct cache_object *cache_update_force(struct cache *c, void *ptr); void cache_del(struct cache *c, struct cache_object *obj); struct cache_object *cache_find(struct cache *c, void *ptr, int *pos); void cache_stats(const struct cache *c, int fd); void cache_stats_extended(const struct cache *c, int fd); void *cache_get_extra(struct cache_object *); void cache_iterate(struct cache *c, void *data, int (*iterate)(void *data1, void *data2)); void cache_iterate_limit(struct cache *c, void *data, uint32_t from, uint32_t steps, int (*iterate)(void *data1, void *data2)); /* iterators */ struct nfct_handle; struct __dump_container { int fd; int type; }; void cache_dump(struct cache *c, int fd, int type); struct __commit_container { struct nfct_handle *h; struct cache *c; }; int cache_commit(struct cache *c, struct nfct_handle *h, int clientfd); void cache_flush(struct cache *c); void cache_bulk(struct cache *c); #endif conntrack-1.4.3/include/channel.h000066400000000000000000000064001257407526400167210ustar00rootroot00000000000000#ifndef _CHANNEL_H_ #define _CHANNEL_H_ #include "mcast.h" #include "udp.h" #include "tcp.h" struct channel; struct nethdr; enum { CHANNEL_NONE, CHANNEL_MCAST, CHANNEL_UDP, CHANNEL_TCP, CHANNEL_MAX, }; struct mcast_channel { struct mcast_sock *client; struct mcast_sock *server; }; struct udp_channel { struct udp_sock *client; struct udp_sock *server; }; struct tcp_channel { struct tcp_sock *client; struct tcp_sock *server; }; #define CHANNEL_F_DEFAULT (1 << 0) #define CHANNEL_F_BUFFERED (1 << 1) #define CHANNEL_F_STREAM (1 << 2) #define CHANNEL_F_ERRORS (1 << 3) #define CHANNEL_F_ACCEPT (1 << 4) #define CHANNEL_F_MAX (1 << 5) union channel_type_conf { struct mcast_conf mcast; struct udp_conf udp; struct tcp_conf tcp; }; struct channel_conf { int channel_type; char channel_ifname[IFNAMSIZ]; unsigned int channel_flags; union channel_type_conf u; }; struct nlif_handle; #define CHANNEL_T_DATAGRAM 0 #define CHANNEL_T_STREAM 1 struct channel_ops { int headersiz; int type; void * (*open)(void *conf); void (*close)(void *channel); int (*send)(void *channel, const void *data, int len); int (*recv)(void *channel, char *buf, int len); int (*accept)(struct channel *c); int (*get_fd)(void *channel); int (*isset)(struct channel *c, fd_set *readfds); int (*accept_isset)(struct channel *c, fd_set *readfds); void (*stats)(struct channel *c, int fd); void (*stats_extended)(struct channel *c, int active, struct nlif_handle *h, int fd); }; struct channel_buffer; struct channel { int channel_type; int channel_ifindex; int channel_ifmtu; unsigned int channel_flags; struct channel_buffer *buffer; struct channel_ops *ops; void *data; }; int channel_init(void); void channel_end(void); struct channel *channel_open(struct channel_conf *conf); void channel_close(struct channel *c); int channel_send(struct channel *c, const struct nethdr *net); int channel_send_flush(struct channel *c); int channel_recv(struct channel *c, char *buf, int size); int channel_accept(struct channel *c); int channel_get_fd(struct channel *c); int channel_accept_isset(struct channel *c, fd_set *readfds); int channel_isset(struct channel *c, fd_set *readfds); void channel_stats(struct channel *c, int fd); void channel_stats_extended(struct channel *c, int active, struct nlif_handle *h, int fd); int channel_type(struct channel *c); #define MULTICHANNEL_MAX 4 struct multichannel { int channel_num; struct channel *channel[MULTICHANNEL_MAX]; struct channel *current; }; struct multichannel *multichannel_open(struct channel_conf *conf, int len); void multichannel_close(struct multichannel *m); int multichannel_send(struct multichannel *c, const struct nethdr *net); int multichannel_send_flush(struct multichannel *c); int multichannel_recv(struct multichannel *c, char *buf, int size); void multichannel_stats(struct multichannel *m, int fd); void multichannel_stats_extended(struct multichannel *m, struct nlif_handle *h, int fd); int multichannel_get_ifindex(struct multichannel *m, int i); int multichannel_get_current_ifindex(struct multichannel *m); void multichannel_set_current_channel(struct multichannel *m, int i); void multichannel_change_current_channel(struct multichannel *m, struct channel *c); #endif /* _CHANNEL_H_ */ conntrack-1.4.3/include/cidr.h000066400000000000000000000004271257407526400162350ustar00rootroot00000000000000#ifndef _CIDR_H_ uint32_t ipv4_cidr2mask_host(uint8_t cidr); uint32_t ipv4_cidr2mask_net(uint8_t cidr); void ipv6_cidr2mask_host(uint8_t cidr, uint32_t *res); void ipv6_cidr2mask_net(uint8_t cidr, uint32_t *res); void ipv6_addr2addr_host(uint32_t *addr, uint32_t *res); #endif conntrack-1.4.3/include/conntrack.h000066400000000000000000000026271257407526400173020ustar00rootroot00000000000000#ifndef _CONNTRACK_H #define _CONNTRACK_H #include "linux_list.h" #include #include #define PROGNAME "conntrack" #include #define NUMBER_OF_CMD 19 #define NUMBER_OF_OPT 27 struct ctproto_handler { struct list_head head; const char *name; uint16_t protonum; const char *version; enum ctattr_protoinfo protoinfo_attr; int (*parse_opts)(char c, struct nf_conntrack *ct, struct nf_conntrack *exptuple, struct nf_conntrack *mask, unsigned int *flags); void (*final_check)(unsigned int flags, unsigned int command, struct nf_conntrack *ct); void (*help)(void); struct option *opts; unsigned int option_offset; }; enum exittype { OTHER_PROBLEM = 1, PARAMETER_PROBLEM, VERSION_PROBLEM }; int generic_opt_check(int options, int nops, char *optset, const char *optflg[], unsigned int *coupled_flags, int coupled_flags_size, int *partial); void exit_error(enum exittype status, const char *msg, ...); extern void register_proto(struct ctproto_handler *h); extern void register_tcp(void); extern void register_udp(void); extern void register_udplite(void); extern void register_sctp(void); extern void register_dccp(void); extern void register_icmp(void); extern void register_icmpv6(void); extern void register_gre(void); extern void register_unknown(void); #endif conntrack-1.4.3/include/conntrackd.h000066400000000000000000000174261257407526400174510ustar00rootroot00000000000000#ifndef _CONNTRACKD_H_ #define _CONNTRACKD_H_ #include "mcast.h" #include "local.h" #include "alarm.h" #include "filter.h" #include "channel.h" #include "internal.h" #include #include #include #include /* UNIX facilities */ #define CT_FLUSH_MASTER 0 /* flush kernel conntrack table */ #define CT_RESYNC_MASTER 1 /* resync with kernel ct table */ #define CT_DUMP_INTERNAL 16 /* dump internal cache */ #define CT_DUMP_EXTERNAL 17 /* dump external cache */ #define CT_COMMIT 18 /* commit external cache */ #define CT_FLUSH_CACHE 19 /* flush cache */ #define KILL 20 /* kill conntrackd */ #define STATS 21 /* dump statistics */ #define SEND_BULK 22 /* send a bulk */ #define REQUEST_DUMP 23 /* request dump */ #define CT_DUMP_INT_XML 24 /* dump internal cache in XML */ #define CT_DUMP_EXT_XML 25 /* dump external cache in XML */ #define RESET_TIMERS 26 /* reset kernel timers */ #define DEBUG_INFO 27 /* unused */ #define STATS_NETWORK 28 /* extended network stats */ #define STATS_CACHE 29 /* extended cache stats */ #define STATS_RUNTIME 30 /* extended runtime stats */ #define STATS_LINK 31 /* dedicated link stats */ #define STATS_RSQUEUE 32 /* resend queue stats */ #define CT_FLUSH_INT_CACHE 33 /* flush internal cache */ #define CT_FLUSH_EXT_CACHE 34 /* flush external cache */ #define STATS_PROCESS 35 /* child process stats */ #define STATS_QUEUE 36 /* queue stats */ #define EXP_STATS 37 /* dump statistics */ #define EXP_FLUSH_MASTER 38 /* flush kernel expect table */ #define EXP_RESYNC_MASTER 39 /* resync with kernel exp table */ #define EXP_DUMP_INTERNAL 40 /* dump internal expect cache */ #define EXP_DUMP_EXTERNAL 41 /* dump external expect cache */ #define EXP_COMMIT 42 /* commit expectations */ #define ALL_FLUSH_MASTER 43 /* flush all kernel tables */ #define ALL_RESYNC_MASTER 44 /* resync w/all kernel tables */ #define ALL_FLUSH_CACHE 45 /* flush all caches */ #define ALL_COMMIT 46 /* commit all tables */ #define EXP_DUMP_INT_XML 47 /* dump internal cache in XML */ #define EXP_DUMP_EXT_XML 48 /* dump external cache in XML */ #define DEFAULT_CONFIGFILE "/etc/conntrackd/conntrackd.conf" #define DEFAULT_LOCKFILE "/var/lock/conntrackd.lock" #define DEFAULT_LOGFILE "/var/log/conntrackd.log" #define DEFAULT_STATS_LOGFILE "/var/log/conntrackd-stats.log" #define DEFAULT_SYSLOG_FACILITY LOG_DAEMON /* daemon/request modes */ #define NOT_SET 0 #define DAEMON 1 #define REQUEST 2 /* conntrackd modes */ #define CTD_SYNC_MODE (1UL << 0) #define CTD_STATS_MODE (1UL << 1) #define CTD_SYNC_FTFW (1UL << 2) #define CTD_SYNC_ALARM (1UL << 3) #define CTD_SYNC_NOTRACK (1UL << 4) #define CTD_POLL (1UL << 5) #define CTD_EXPECT (1UL << 6) #define CTD_HELPER (1UL << 7) /* FILENAME_MAX is 4096 on my system, perhaps too much? */ #ifndef FILENAME_MAXLEN #define FILENAME_MAXLEN 256 #endif union inet_address { uint32_t ipv4; uint32_t ipv6[4]; uint32_t all[4]; }; #define CONFIG(x) conf.x struct ct_conf { char logfile[FILENAME_MAXLEN]; int syslog_facility; char lockfile[FILENAME_MAXLEN]; int hashsize; /* hashtable size */ int channel_num; int channel_default; int channel_type_global; struct channel_conf channel[MULTICHANNEL_MAX]; struct local_conf local; /* unix socket facilities */ int nice; int limit; int refresh; int cache_timeout; /* cache entries timeout */ int commit_timeout; /* committed entries timeout */ unsigned int purge_timeout; /* purge kernel entries timeout */ unsigned int netlink_buffer_size; unsigned int netlink_buffer_size_max_grown; int nl_overrun_resync; unsigned int flags; unsigned int resend_queue_size; /* FTFW protocol */ unsigned int window_size; int poll_kernel_secs; int filter_from_kernelspace; int event_iterations_limit; struct { int error_queue_length; } channelc; struct { int internal_cache_disable; int external_cache_disable; int tcp_window_tracking; } sync; struct { int subsys_id; int groups; int events_reliable; } netlink; struct { int commit_steps; } general; struct { int type; int prio; } sched; struct { char logfile[FILENAME_MAXLEN]; int syslog_facility; size_t buffer_size; } stats; struct { struct list_head list; } cthelper; }; #define STATE(x) st.x struct ct_general_state { sigset_t block; FILE *log; FILE *stats_log; struct local_server local; struct ct_mode *mode; struct ct_filter *us_filter; struct exp_filter *exp_filter; struct nfct_handle *event; /* event handler */ struct nfct_filter *filter; /* event filter */ int event_iterations_limit; struct nfct_handle *dump; /* dump handler */ struct nfct_handle *resync; /* resync handler */ struct nfct_handle *get; /* get handler */ int get_retval; /* hackish */ struct nfct_handle *flush; /* flusher */ struct alarm_block resync_alarm; struct alarm_block polling_alarm; struct fds *fds; /* statistics */ struct { uint64_t bytes_orig; uint64_t bytes_repl; uint64_t packets_orig; uint64_t packets_repl; time_t daemon_start_time; uint64_t nl_events_received; uint64_t nl_events_filtered; uint32_t nl_events_unknown_type; uint32_t nl_catch_event_failed; uint32_t nl_overrun; uint32_t nl_dump_unknown_type; uint32_t nl_kernel_table_flush; uint32_t nl_kernel_table_resync; uint32_t child_process_failed; uint32_t child_process_error_segfault; uint32_t child_process_error_term; uint32_t select_failed; uint32_t wait_failed; uint32_t local_read_failed; uint32_t local_unknown_request; } stats; }; struct commit_runqueue { int (*cb)(struct nfct_handle *h, int step); }; #define STATE_SYNC(x) state.sync->x struct ct_sync_state { struct external_handler *external; struct multichannel *channel; struct nlif_handle *interface; struct queue *tx_queue; #define COMMIT_STATE_INACTIVE 0 #define COMMIT_STATE_MASTER 1 #define COMMIT_STATE_RELATED 2 struct { int state; int clientfd; struct nfct_handle *h; struct evfd *evfd; int current; struct commit_runqueue rq[2]; struct { int ok; int fail; struct timeval start; } stats; } commit; struct alarm_block reset_cache_alarm; struct sync_mode *sync; /* sync mode */ /* statistics */ struct { uint64_t msg_rcv_malformed; uint32_t msg_rcv_bad_version; uint32_t msg_rcv_bad_payload; uint32_t msg_rcv_bad_header; uint32_t msg_rcv_bad_type; uint32_t msg_rcv_truncated; uint32_t msg_rcv_bad_size; uint32_t msg_snd_malformed; uint64_t msg_rcv_lost; uint64_t msg_rcv_before; } error; uint32_t last_seq_sent; /* last sequence number sent */ uint32_t last_seq_recv; /* last sequence number recv */ }; #define STATE_STATS(x) state.stats->x struct ct_stats_state { struct cache *cache; /* internal events cache (netlink) */ }; #define STATE_CTH(x) state.cthelper->x struct ct_helper_state { struct mnl_socket *nl; uint32_t portid; }; struct ct_state { struct ct_sync_state *sync; struct ct_stats_state *stats; struct ct_helper_state *cthelper; }; extern struct ct_conf conf; extern struct ct_state state; extern struct ct_general_state st; struct ct_mode { struct internal_handler *internal; int (*init)(void); int (*local)(int fd, int type, void *data); void (*kill)(void); }; /* basic ctnl functions */ void ctnl_kill(void); int ctnl_local(int fd, int type, void *data); int ctnl_init(void); /* basic cthelper functions */ void cthelper_kill(void); int cthelper_local(int fd, int type, void *data); int cthelper_init(void); /* conntrackd ctnl modes */ extern struct ct_mode sync_mode; extern struct ct_mode stats_mode; #define MAX(x, y) x > y ? x : y /* These live in run.c */ void killer(int foo); int init(void); void select_main_loop(void); /* from read_config_yy.c */ int init_config(char *filename); #endif conntrack-1.4.3/include/date.h000066400000000000000000000002421257407526400162240ustar00rootroot00000000000000#ifndef _DATE_H_ #define _DATE_H_ #include int do_gettimeofday(void); void gettimeofday_cached(struct timeval *tv); int time_cached(void); #endif conntrack-1.4.3/include/debug.h000066400000000000000000000006301257407526400163760ustar00rootroot00000000000000#ifndef _DEBUG_H #define _DEBUG_H #include #undef DEBUG_CT #ifdef DEBUG_CT #define debug_ct(ct, msg) \ ({ \ char buf[1024]; \ nfct_snprintf(buf, 1024, ct, NFCT_T_ALL, 0, 0); \ printf("[%s]: %s\n", msg, buf); \ }) #define debug printf #else #define debug_ct(ct, msg) do {} while (0) #define debug(...) do {} while (0) #endif #endif conntrack-1.4.3/include/event.h000066400000000000000000000003371257407526400164350ustar00rootroot00000000000000#ifndef _EVENT_H_ #define _EVENT_H_ struct evfd *create_evfd(void); void destroy_evfd(struct evfd *e); int get_read_evfd(struct evfd *evfd); int write_evfd(struct evfd *evfd); int read_evfd(struct evfd *evfd); #endif conntrack-1.4.3/include/external.h000066400000000000000000000014761257407526400171430ustar00rootroot00000000000000#ifndef _EXTERNAL_H_ #define _EXTERNAL_H_ struct nf_conntrack; struct external_handler { int (*init)(void); void (*close)(void); struct { void (*new)(struct nf_conntrack *ct); void (*upd)(struct nf_conntrack *ct); void (*del)(struct nf_conntrack *ct); void (*dump)(int fd, int type); void (*flush)(void); int (*commit)(struct nfct_handle *h, int fd); void (*stats)(int fd); void (*stats_ext)(int fd); } ct; struct { void (*new)(struct nf_expect *exp); void (*upd)(struct nf_expect *exp); void (*del)(struct nf_expect *exp); void (*dump)(int fd, int type); void (*flush)(void); int (*commit)(struct nfct_handle *h, int fd); void (*stats)(int fd); void (*stats_ext)(int fd); } exp; }; extern struct external_handler external_cache; extern struct external_handler external_inject; #endif conntrack-1.4.3/include/fds.h000066400000000000000000000006741257407526400160740ustar00rootroot00000000000000#ifndef _FDS_H_ #define _FDS_H_ #include "linux_list.h" struct fds { int maxfd; fd_set readfds; struct list_head list; }; struct fds_item { struct list_head head; int fd; void (*cb)(void *data); void *data; }; struct fds *create_fds(void); void destroy_fds(struct fds *); int register_fd(int fd, void (*cb)(void *data), void *data, struct fds *fds); int unregister_fd(int fd, struct fds *fds); #endif conntrack-1.4.3/include/filter.h000066400000000000000000000027501257407526400166020ustar00rootroot00000000000000#ifndef _FILTER_H_ #define _FILTER_H_ #include #include #include #include enum ct_filter_type { CT_FILTER_L4PROTO, CT_FILTER_STATE, CT_FILTER_ADDRESS, /* also for netmask */ CT_FILTER_MAX }; enum ct_filter_logic { CT_FILTER_NEGATIVE = 0, CT_FILTER_POSITIVE = 1, }; struct ct_filter_ipv4_hnode { struct hashtable_node node; uint32_t ip; }; struct ct_filter_ipv6_hnode { struct hashtable_node node; uint32_t ipv6[4]; }; struct ct_filter_netmask_ipv4 { uint32_t ip; uint32_t mask; }; struct ct_filter_netmask_ipv6 { uint32_t ip[4]; uint32_t mask[4]; }; struct nf_conntrack; struct ct_filter; struct ct_filter *ct_filter_create(void); void ct_filter_destroy(struct ct_filter *filter); int ct_filter_add_ip(struct ct_filter *filter, void *data, uint8_t family); int ct_filter_add_netmask(struct ct_filter *filter, void *data, uint8_t family); void ct_filter_add_proto(struct ct_filter *filter, int protonum); void ct_filter_add_state(struct ct_filter *f, int protonum, int state); void ct_filter_set_logic(struct ct_filter *f, enum ct_filter_type type, enum ct_filter_logic logic); int ct_filter_conntrack(const struct nf_conntrack *ct, int userspace); int ct_filter_master(const struct nf_conntrack *master); struct exp_filter; struct nf_expect; struct exp_filter *exp_filter_create(void); int exp_filter_add(struct exp_filter *f, const char *helper_name); int exp_filter_find(struct exp_filter *f, const struct nf_expect *exp); #endif conntrack-1.4.3/include/hash.h000066400000000000000000000025421257407526400162370ustar00rootroot00000000000000#ifndef _NF_SET_HASH_H_ #define _NF_SET_HASH_H_ #include #include "linux_list.h" #include struct hashtable; struct hashtable_node; struct hashtable { uint32_t hashsize; uint32_t limit; uint32_t count; uint32_t initval; uint32_t (*hash)(const void *data, const struct hashtable *table); int (*compare)(const void *data1, const void *data2); struct list_head members[0]; }; struct hashtable_node { struct list_head head; }; struct hashtable * hashtable_create(int hashsize, int limit, uint32_t (*hash)(const void *data, const struct hashtable *table), int (*compare)(const void *data1, const void *data2)); void hashtable_destroy(struct hashtable *h); int hashtable_hash(const struct hashtable *table, const void *data); struct hashtable_node *hashtable_find(const struct hashtable *table, const void *data, int id); int hashtable_add(struct hashtable *table, struct hashtable_node *n, int id); void hashtable_del(struct hashtable *table, struct hashtable_node *node); int hashtable_flush(struct hashtable *table); int hashtable_iterate(struct hashtable *table, void *data, int (*iterate)(void *data, void *n)); int hashtable_iterate_limit(struct hashtable *table, void *data, uint32_t from, uint32_t steps, int (*iterate)(void *data1, void *n)); unsigned int hashtable_counter(const struct hashtable *table); #endif conntrack-1.4.3/include/helper.h000066400000000000000000000064511257407526400165760ustar00rootroot00000000000000#ifndef _CTD_HELPER_H_ #define _CTD_HELPER_H_ #include #include "linux_list.h" #include "myct.h" #include struct pkt_buff; #define CTD_HELPER_NAME_LEN 16 #define CTD_HELPER_POLICY_MAX 4 struct ctd_helper_policy { char name[CTD_HELPER_NAME_LEN]; uint32_t expect_timeout; uint32_t expect_max; }; struct ctd_helper { struct list_head head; char name[CTD_HELPER_NAME_LEN]; uint8_t l4proto; int (*cb)(struct pkt_buff *pkt, uint32_t protoff, struct myct *ct, uint32_t ctinfo); struct ctd_helper_policy policy[CTD_HELPER_POLICY_MAX]; int priv_data_len; }; struct ctd_helper_instance { struct list_head head; uint32_t queue_num; uint32_t queue_len; uint16_t l3proto; uint8_t l4proto; struct ctd_helper *helper; struct ctd_helper_policy policy[CTD_HELPER_POLICY_MAX]; }; extern int cthelper_expect_init(struct nf_expect *exp, struct nf_conntrack *master, uint32_t class, union nfct_attr_grp_addr *saddr, union nfct_attr_grp_addr *daddr, uint8_t l4proto, uint16_t *sport, uint16_t *dport, uint32_t flags); extern int cthelper_add_expect(struct nf_expect *exp); extern int cthelper_del_expect(struct nf_expect *exp); extern void cthelper_get_addr_src(struct nf_conntrack *ct, int dir, union nfct_attr_grp_addr *addr); extern void cthelper_get_addr_dst(struct nf_conntrack *ct, int dir, union nfct_attr_grp_addr *addr); void cthelper_get_port_src(struct nf_conntrack *ct, int dir, uint16_t *port); void cthelper_get_port_dst(struct nf_conntrack *ct, int dir, uint16_t *port); extern int in4_pton(const char *src, int srclen, uint8_t *dst, int delim, const char **end); extern int in6_pton(const char *src, int srclen, uint8_t *dst, int delim, const char **end); extern void helper_register(struct ctd_helper *helper); struct ctd_helper *helper_find(const char *libdir_path, const char *name, uint8_t l4proto, int flags); #define min_t(type, x, y) ({ \ type __min1 = (x); \ type __min2 = (y); \ __min1 < __min2 ? __min1: __min2; }) #define max_t(type, x, y) ({ \ type __max1 = (x); \ type __max2 = (y); \ __max1 > __max2 ? __max1: __max2; }) #define ARRAY_SIZE MNL_ARRAY_SIZE enum ip_conntrack_dir { IP_CT_DIR_ORIGINAL, IP_CT_DIR_REPLY, IP_CT_DIR_MAX }; /* Connection state tracking for netfilter. This is separated from, but required by, the NAT layer; it can also be used by an iptables extension. */ enum ip_conntrack_info { /* Part of an established connection (either direction). */ IP_CT_ESTABLISHED, /* Like NEW, but related to an existing connection, or ICMP error (in either direction). */ IP_CT_RELATED, /* Started a new connection to track (only IP_CT_DIR_ORIGINAL); may be a retransmission. */ IP_CT_NEW, /* >= this indicates reply direction */ IP_CT_IS_REPLY, IP_CT_ESTABLISHED_REPLY = IP_CT_ESTABLISHED + IP_CT_IS_REPLY, IP_CT_RELATED_REPLY = IP_CT_RELATED + IP_CT_IS_REPLY, IP_CT_NEW_REPLY = IP_CT_NEW + IP_CT_IS_REPLY, /* Number of distinct IP_CT types (no NEW in reply dirn). */ IP_CT_NUMBER = IP_CT_IS_REPLY * 2 - 1 }; #define CTINFO2DIR(ctinfo) ((ctinfo) >= IP_CT_IS_REPLY ? IP_CT_DIR_REPLY : IP_CT_DIR_ORIGINAL) #if 0 #define pr_debug(fmt, arg...) \ printf(fmt, ##arg) #else #define pr_debug(fmt, arg...) \ ({ if (0) printf(fmt, ##arg); 0; }) #endif #endif conntrack-1.4.3/include/internal.h000066400000000000000000000026131257407526400171270ustar00rootroot00000000000000#ifndef _INTERNAL_H_ #define _INTERNAL_H_ #include struct nf_conntrack; enum { INTERNAL_F_POPULATE = (1 << 0), INTERNAL_F_RESYNC = (1 << 1), INTERNAL_F_MAX = (1 << 2) }; struct internal_handler { unsigned int flags; int (*init)(void); void (*close)(void); struct { void *data; void (*new)(struct nf_conntrack *ct, int origin_type); void (*upd)(struct nf_conntrack *ct, int origin_type); int (*del)(struct nf_conntrack *ct, int origin_type); void (*dump)(int fd, int type); void (*populate)(struct nf_conntrack *ct); void (*purge)(void); int (*resync)(enum nf_conntrack_msg_type type, struct nf_conntrack *ct, void *data); void (*flush)(void); void (*stats)(int fd); void (*stats_ext)(int fd); } ct; struct { void *data; void (*new)(struct nf_expect *exp, int origin_type); void (*upd)(struct nf_expect *exp, int origin_type); int (*del)(struct nf_expect *exp, int origin_type); int (*find)(const struct nf_conntrack *master); void (*dump)(int fd, int type); void (*populate)(struct nf_expect *exp); void (*purge)(void); int (*resync)(enum nf_conntrack_msg_type type, struct nf_expect *exp, void *data); void (*flush)(void); void (*stats)(int fd); void (*stats_ext)(int fd); } exp; }; extern struct internal_handler internal_cache; extern struct internal_handler internal_bypass; #endif conntrack-1.4.3/include/jhash.h000066400000000000000000000063221257407526400164110ustar00rootroot00000000000000#ifndef _LINUX_JHASH_H #define _LINUX_JHASH_H #define u32 unsigned int #define u8 char /* jhash.h: Jenkins hash support. * * Copyright (C) 1996 Bob Jenkins (bob_jenkins@burtleburtle.net) * * http://burtleburtle.net/bob/hash/ * * These are the credits from Bob's sources: * * lookup2.c, by Bob Jenkins, December 1996, Public Domain. * hash(), hash2(), hash3, and mix() are externally useful functions. * Routines to test the hash are included if SELF_TEST is defined. * You can use this free for any purpose. It has no warranty. * * Copyright (C) 2003 David S. Miller (davem@redhat.com) * * I've modified Bob's hash to be useful in the Linux kernel, and * any bugs present are surely my fault. -DaveM */ /* NOTE: Arguments are modified. */ #define __jhash_mix(a, b, c) \ { \ a -= b; a -= c; a ^= (c>>13); \ b -= c; b -= a; b ^= (a<<8); \ c -= a; c -= b; c ^= (b>>13); \ a -= b; a -= c; a ^= (c>>12); \ b -= c; b -= a; b ^= (a<<16); \ c -= a; c -= b; c ^= (b>>5); \ a -= b; a -= c; a ^= (c>>3); \ b -= c; b -= a; b ^= (a<<10); \ c -= a; c -= b; c ^= (b>>15); \ } /* The golden ration: an arbitrary value */ #define JHASH_GOLDEN_RATIO 0x9e3779b9 /* The most generic version, hashes an arbitrary sequence * of bytes. No alignment or length assumptions are made about * the input key. */ static inline u32 jhash(const void *key, u32 length, u32 initval) { u32 a, b, c, len; const u8 *k = key; len = length; a = b = JHASH_GOLDEN_RATIO; c = initval; while (len >= 12) { a += (k[0] +((u32)k[1]<<8) +((u32)k[2]<<16) +((u32)k[3]<<24)); b += (k[4] +((u32)k[5]<<8) +((u32)k[6]<<16) +((u32)k[7]<<24)); c += (k[8] +((u32)k[9]<<8) +((u32)k[10]<<16)+((u32)k[11]<<24)); __jhash_mix(a,b,c); k += 12; len -= 12; } c += length; switch (len) { case 11: c += ((u32)k[10]<<24); case 10: c += ((u32)k[9]<<16); case 9 : c += ((u32)k[8]<<8); case 8 : b += ((u32)k[7]<<24); case 7 : b += ((u32)k[6]<<16); case 6 : b += ((u32)k[5]<<8); case 5 : b += k[4]; case 4 : a += ((u32)k[3]<<24); case 3 : a += ((u32)k[2]<<16); case 2 : a += ((u32)k[1]<<8); case 1 : a += k[0]; }; __jhash_mix(a,b,c); return c; } /* A special optimized version that handles 1 or more of u32s. * The length parameter here is the number of u32s in the key. */ static inline u32 jhash2(const u32 *k, u32 length, u32 initval) { u32 a, b, c, len; a = b = JHASH_GOLDEN_RATIO; c = initval; len = length; while (len >= 3) { a += k[0]; b += k[1]; c += k[2]; __jhash_mix(a, b, c); k += 3; len -= 3; } c += length * 4; switch (len) { case 2 : b += k[1]; case 1 : a += k[0]; }; __jhash_mix(a,b,c); return c; } /* A special ultra-optimized versions that knows they are hashing exactly * 3, 2 or 1 word(s). * * NOTE: In partilar the "c += length; __jhash_mix(a,b,c);" normally * done at the end is not done here. */ static inline u32 jhash_3words(u32 a, u32 b, u32 c, u32 initval) { a += JHASH_GOLDEN_RATIO; b += JHASH_GOLDEN_RATIO; c += initval; __jhash_mix(a, b, c); return c; } static inline u32 jhash_2words(u32 a, u32 b, u32 initval) { return jhash_3words(a, b, 0, initval); } static inline u32 jhash_1word(u32 a, u32 initval) { return jhash_3words(a, 0, 0, initval); } #endif /* _LINUX_JHASH_H */ conntrack-1.4.3/include/linux/000077500000000000000000000000001257407526400162775ustar00rootroot00000000000000conntrack-1.4.3/include/linux/Makefile.am000066400000000000000000000000241257407526400203270ustar00rootroot00000000000000SUBDIRS = netfilter conntrack-1.4.3/include/linux/Makefile.in000066400000000000000000000441231257407526400203500ustar00rootroot00000000000000# Makefile.in generated by automake 1.11.6 from Makefile.am. # @configure_input@ # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, # 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software # Foundation, Inc. # This Makefile.in is free software; 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#define NFNLGRP_MAX (__NFNLGRP_MAX - 1) /* General form of address family dependent message. */ struct nfgenmsg { __u8 nfgen_family; /* AF_xxx */ __u8 version; /* nfnetlink version */ __be16 res_id; /* resource id */ }; #define NFNETLINK_V0 0 /* netfilter netlink message types are split in two pieces: * 8 bit subsystem, 8bit operation. */ #define NFNL_SUBSYS_ID(x) ((x & 0xff00) >> 8) #define NFNL_MSG_TYPE(x) (x & 0x00ff) /* No enum here, otherwise __stringify() trick of MODULE_ALIAS_NFNL_SUBSYS() * won't work anymore */ #define NFNL_SUBSYS_NONE 0 #define NFNL_SUBSYS_CTNETLINK 1 #define NFNL_SUBSYS_CTNETLINK_EXP 2 #define NFNL_SUBSYS_QUEUE 3 #define NFNL_SUBSYS_ULOG 4 #define NFNL_SUBSYS_OSF 5 #define NFNL_SUBSYS_IPSET 6 #define NFNL_SUBSYS_ACCT 7 #define NFNL_SUBSYS_CTNETLINK_TIMEOUT 8 #define NFNL_SUBSYS_CTHELPER 9 #define NFNL_SUBSYS_NFTABLES 10 #define NFNL_SUBSYS_NFT_COMPAT 11 #define NFNL_SUBSYS_COUNT 12 /* Reserved control nfnetlink messages */ #define NFNL_MSG_BATCH_BEGIN NLMSG_MIN_TYPE #define NFNL_MSG_BATCH_END NLMSG_MIN_TYPE+1 #endif /* _NFNETLINK_H */ conntrack-1.4.3/include/linux/netfilter/nfnetlink_cthelper.h000066400000000000000000000021631257407526400243240ustar00rootroot00000000000000#ifndef _NFNL_CTHELPER_H_ #define _NFNL_CTHELPER_H_ #define NFCT_HELPER_STATUS_DISABLED 0 #define NFCT_HELPER_STATUS_ENABLED 1 enum nfnl_acct_msg_types { NFNL_MSG_CTHELPER_NEW, NFNL_MSG_CTHELPER_GET, NFNL_MSG_CTHELPER_DEL, NFNL_MSG_CTHELPER_MAX }; enum nfnl_cthelper_type { NFCTH_UNSPEC, NFCTH_NAME, NFCTH_TUPLE, NFCTH_QUEUE_NUM, NFCTH_POLICY, NFCTH_PRIV_DATA_LEN, NFCTH_STATUS, __NFCTH_MAX }; #define NFCTH_MAX (__NFCTH_MAX - 1) enum nfnl_cthelper_policy_type { NFCTH_POLICY_SET_UNSPEC, NFCTH_POLICY_SET_NUM, NFCTH_POLICY_SET, NFCTH_POLICY_SET1 = NFCTH_POLICY_SET, NFCTH_POLICY_SET2, NFCTH_POLICY_SET3, NFCTH_POLICY_SET4, __NFCTH_POLICY_SET_MAX }; #define NFCTH_POLICY_SET_MAX (__NFCTH_POLICY_SET_MAX - 1) enum nfnl_cthelper_pol_type { NFCTH_POLICY_UNSPEC, NFCTH_POLICY_NAME, NFCTH_POLICY_EXPECT_MAX, NFCTH_POLICY_EXPECT_TIMEOUT, __NFCTH_POLICY_MAX }; #define NFCTH_POLICY_MAX (__NFCTH_POLICY_MAX - 1) enum nfnl_cthelper_tuple_type { NFCTH_TUPLE_UNSPEC, NFCTH_TUPLE_L3PROTONUM, NFCTH_TUPLE_L4PROTONUM, __NFCTH_TUPLE_MAX, }; #define NFCTH_TUPLE_MAX (__NFCTH_TUPLE_MAX - 1) #endif /* _NFNL_CTHELPER_H */ conntrack-1.4.3/include/linux/netfilter/nfnetlink_cttimeout.h000066400000000000000000000053561257407526400245420ustar00rootroot00000000000000#ifndef _CTTIMEOUT_NETLINK_H #define _CTTIMEOUT_NETLINK_H #include enum ctnl_timeout_msg_types { IPCTNL_MSG_TIMEOUT_NEW, IPCTNL_MSG_TIMEOUT_GET, IPCTNL_MSG_TIMEOUT_DELETE, IPCTNL_MSG_TIMEOUT_DEFAULT_SET, IPCTNL_MSG_TIMEOUT_DEFAULT_GET, IPCTNL_MSG_TIMEOUT_MAX }; enum ctattr_timeout { CTA_TIMEOUT_UNSPEC, CTA_TIMEOUT_NAME, CTA_TIMEOUT_L3PROTO, CTA_TIMEOUT_L4PROTO, CTA_TIMEOUT_DATA, CTA_TIMEOUT_USE, __CTA_TIMEOUT_MAX }; #define CTA_TIMEOUT_MAX (__CTA_TIMEOUT_MAX - 1) enum ctattr_timeout_generic { CTA_TIMEOUT_GENERIC_UNSPEC, CTA_TIMEOUT_GENERIC_TIMEOUT, __CTA_TIMEOUT_GENERIC_MAX }; #define CTA_TIMEOUT_GENERIC_MAX (__CTA_TIMEOUT_GENERIC_MAX - 1) enum ctattr_timeout_tcp { CTA_TIMEOUT_TCP_UNSPEC, CTA_TIMEOUT_TCP_SYN_SENT, CTA_TIMEOUT_TCP_SYN_RECV, CTA_TIMEOUT_TCP_ESTABLISHED, CTA_TIMEOUT_TCP_FIN_WAIT, CTA_TIMEOUT_TCP_CLOSE_WAIT, CTA_TIMEOUT_TCP_LAST_ACK, CTA_TIMEOUT_TCP_TIME_WAIT, CTA_TIMEOUT_TCP_CLOSE, CTA_TIMEOUT_TCP_SYN_SENT2, CTA_TIMEOUT_TCP_RETRANS, CTA_TIMEOUT_TCP_UNACK, __CTA_TIMEOUT_TCP_MAX }; #define CTA_TIMEOUT_TCP_MAX (__CTA_TIMEOUT_TCP_MAX - 1) enum ctattr_timeout_udp { CTA_TIMEOUT_UDP_UNSPEC, CTA_TIMEOUT_UDP_UNREPLIED, CTA_TIMEOUT_UDP_REPLIED, __CTA_TIMEOUT_UDP_MAX }; #define CTA_TIMEOUT_UDP_MAX (__CTA_TIMEOUT_UDP_MAX - 1) enum ctattr_timeout_udplite { CTA_TIMEOUT_UDPLITE_UNSPEC, CTA_TIMEOUT_UDPLITE_UNREPLIED, CTA_TIMEOUT_UDPLITE_REPLIED, __CTA_TIMEOUT_UDPLITE_MAX }; #define CTA_TIMEOUT_UDPLITE_MAX (__CTA_TIMEOUT_UDPLITE_MAX - 1) enum ctattr_timeout_icmp { CTA_TIMEOUT_ICMP_UNSPEC, CTA_TIMEOUT_ICMP_TIMEOUT, __CTA_TIMEOUT_ICMP_MAX }; #define CTA_TIMEOUT_ICMP_MAX (__CTA_TIMEOUT_ICMP_MAX - 1) enum ctattr_timeout_dccp { CTA_TIMEOUT_DCCP_UNSPEC, CTA_TIMEOUT_DCCP_REQUEST, CTA_TIMEOUT_DCCP_RESPOND, CTA_TIMEOUT_DCCP_PARTOPEN, CTA_TIMEOUT_DCCP_OPEN, CTA_TIMEOUT_DCCP_CLOSEREQ, CTA_TIMEOUT_DCCP_CLOSING, CTA_TIMEOUT_DCCP_TIMEWAIT, __CTA_TIMEOUT_DCCP_MAX }; #define CTA_TIMEOUT_DCCP_MAX (__CTA_TIMEOUT_DCCP_MAX - 1) enum ctattr_timeout_sctp { CTA_TIMEOUT_SCTP_UNSPEC, CTA_TIMEOUT_SCTP_CLOSED, CTA_TIMEOUT_SCTP_COOKIE_WAIT, CTA_TIMEOUT_SCTP_COOKIE_ECHOED, CTA_TIMEOUT_SCTP_ESTABLISHED, CTA_TIMEOUT_SCTP_SHUTDOWN_SENT, CTA_TIMEOUT_SCTP_SHUTDOWN_RECD, CTA_TIMEOUT_SCTP_SHUTDOWN_ACK_SENT, __CTA_TIMEOUT_SCTP_MAX }; #define CTA_TIMEOUT_SCTP_MAX (__CTA_TIMEOUT_SCTP_MAX - 1) enum ctattr_timeout_icmpv6 { CTA_TIMEOUT_ICMPV6_UNSPEC, CTA_TIMEOUT_ICMPV6_TIMEOUT, __CTA_TIMEOUT_ICMPV6_MAX }; #define CTA_TIMEOUT_ICMPV6_MAX (__CTA_TIMEOUT_ICMPV6_MAX - 1) enum ctattr_timeout_gre { CTA_TIMEOUT_GRE_UNSPEC, CTA_TIMEOUT_GRE_UNREPLIED, CTA_TIMEOUT_GRE_REPLIED, __CTA_TIMEOUT_GRE_MAX }; #define CTA_TIMEOUT_GRE_MAX (__CTA_TIMEOUT_GRE_MAX - 1) #define CTNL_TIMEOUT_NAME_MAX 32 #endif conntrack-1.4.3/include/linux/netfilter/nfnetlink_queue.h000066400000000000000000000057601257407526400236500ustar00rootroot00000000000000#ifndef _NFNETLINK_QUEUE_H #define _NFNETLINK_QUEUE_H #include #include enum nfqnl_msg_types { NFQNL_MSG_PACKET, /* packet from kernel to userspace */ NFQNL_MSG_VERDICT, /* verdict from userspace to kernel */ NFQNL_MSG_CONFIG, /* connect to a particular queue */ NFQNL_MSG_VERDICT_BATCH, /* batchv from userspace to kernel */ NFQNL_MSG_MAX }; struct nfqnl_msg_packet_hdr { __be32 packet_id; /* unique ID of packet in queue */ __be16 hw_protocol; /* hw protocol (network order) */ __u8 hook; /* netfilter hook */ } __attribute__ ((packed)); struct nfqnl_msg_packet_hw { __be16 hw_addrlen; __u16 _pad; __u8 hw_addr[8]; }; struct nfqnl_msg_packet_timestamp { __aligned_be64 sec; __aligned_be64 usec; }; enum nfqnl_attr_type { NFQA_UNSPEC, NFQA_PACKET_HDR, NFQA_VERDICT_HDR, /* nfqnl_msg_verdict_hrd */ NFQA_MARK, /* __u32 nfmark */ NFQA_TIMESTAMP, /* nfqnl_msg_packet_timestamp */ NFQA_IFINDEX_INDEV, /* __u32 ifindex */ NFQA_IFINDEX_OUTDEV, /* __u32 ifindex */ NFQA_IFINDEX_PHYSINDEV, /* __u32 ifindex */ NFQA_IFINDEX_PHYSOUTDEV, /* __u32 ifindex */ NFQA_HWADDR, /* nfqnl_msg_packet_hw */ NFQA_PAYLOAD, /* opaque data payload */ NFQA_CT, /* nf_conntrack_netlink.h */ NFQA_CT_INFO, /* enum ip_conntrack_info */ NFQA_CAP_LEN, /* __u32 length of captured packet */ NFQA_SKB_INFO, /* __u32 skb meta information */ NFQA_EXP, /* nf_conntrack_netlink.h */ NFQA_UID, /* __u32 sk uid */ NFQA_GID, /* __u32 sk gid */ __NFQA_MAX }; #define NFQA_MAX (__NFQA_MAX - 1) struct nfqnl_msg_verdict_hdr { __be32 verdict; __be32 id; }; enum nfqnl_msg_config_cmds { NFQNL_CFG_CMD_NONE, NFQNL_CFG_CMD_BIND, NFQNL_CFG_CMD_UNBIND, NFQNL_CFG_CMD_PF_BIND, NFQNL_CFG_CMD_PF_UNBIND, }; struct nfqnl_msg_config_cmd { __u8 command; /* nfqnl_msg_config_cmds */ __u8 _pad; __be16 pf; /* AF_xxx for PF_[UN]BIND */ }; enum nfqnl_config_mode { NFQNL_COPY_NONE, NFQNL_COPY_META, NFQNL_COPY_PACKET, }; struct nfqnl_msg_config_params { __be32 copy_range; __u8 copy_mode; /* enum nfqnl_config_mode */ } __attribute__ ((packed)); enum nfqnl_attr_config { NFQA_CFG_UNSPEC, NFQA_CFG_CMD, /* nfqnl_msg_config_cmd */ NFQA_CFG_PARAMS, /* nfqnl_msg_config_params */ NFQA_CFG_QUEUE_MAXLEN, /* __u32 */ NFQA_CFG_MASK, /* identify which flags to change */ NFQA_CFG_FLAGS, /* value of these flags (__u32) */ __NFQA_CFG_MAX }; #define NFQA_CFG_MAX (__NFQA_CFG_MAX-1) /* Flags for NFQA_CFG_FLAGS */ #define NFQA_CFG_F_FAIL_OPEN (1 << 0) #define NFQA_CFG_F_CONNTRACK (1 << 1) #define NFQA_CFG_F_GSO (1 << 2) #define NFQA_CFG_F_UID_GID (1 << 3) #define NFQA_CFG_F_MAX (1 << 4) /* flags for NFQA_SKB_INFO */ /* packet appears to have wrong checksums, but they are ok */ #define NFQA_SKB_CSUMNOTREADY (1 << 0) /* packet is GSO (i.e., exceeds device mtu) */ #define NFQA_SKB_GSO (1 << 1) /* csum not validated (incoming device doesn't support hw checksum, etc.) */ #define NFQA_SKB_CSUM_NOTVERIFIED (1 << 2) #endif /* _NFNETLINK_QUEUE_H */ conntrack-1.4.3/include/linux_list.h000066400000000000000000000541611257407526400175120ustar00rootroot00000000000000#ifndef _LINUX_LIST_H #define _LINUX_LIST_H #include #undef offsetof #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER) /** * container_of - cast a member of a structure out to the containing structure * * @ptr: the pointer to the member. * @type: the type of the container struct this is embedded in. * @member: the name of the member within the struct. * */ #define container_of(ptr, type, member) ({ \ typeof( ((type *)0)->member ) *__mptr = (ptr); \ (type *)( (char *)__mptr - offsetof(type,member) );}) /* * Check at compile time that something is of a particular type. * Always evaluates to 1 so you may use it easily in comparisons. */ #define typecheck(type,x) \ ({ type __dummy; \ typeof(x) __dummy2; \ (void)(&__dummy == &__dummy2); \ 1; \ }) #define prefetch(x) ((void)0) /* empty define to make this work in userspace -HW */ #ifndef smp_wmb #define smp_wmb() #endif /* * These are non-NULL pointers that will result in page faults * under normal circumstances, used to verify that nobody uses * non-initialized list entries. */ #define LIST_POISON1 ((void *) 0x00100100) #define LIST_POISON2 ((void *) 0x00200200) /* * Simple doubly linked list implementation. * * Some of the internal functions ("__xxx") are useful when * manipulating whole lists rather than single entries, as * sometimes we already know the next/prev entries and we can * generate better code by using them directly rather than * using the generic single-entry routines. */ struct list_head { struct list_head *next, *prev; }; #define LIST_HEAD_INIT(name) { &(name), &(name) } #define LIST_HEAD(name) \ struct list_head name = LIST_HEAD_INIT(name) #define INIT_LIST_HEAD(ptr) do { \ (ptr)->next = (ptr); (ptr)->prev = (ptr); \ } while (0) /* * Insert a new entry between two known consecutive entries. * * This is only for internal list manipulation where we know * the prev/next entries already! */ static inline void __list_add(struct list_head *new, struct list_head *prev, struct list_head *next) { next->prev = new; new->next = next; new->prev = prev; prev->next = new; } /** * list_add - add a new entry * @new: new entry to be added * @head: list head to add it after * * Insert a new entry after the specified head. * This is good for implementing stacks. */ static inline void list_add(struct list_head *new, struct list_head *head) { __list_add(new, head, head->next); } /** * list_add_tail - add a new entry * @new: new entry to be added * @head: list head to add it before * * Insert a new entry before the specified head. * This is useful for implementing queues. */ static inline void list_add_tail(struct list_head *new, struct list_head *head) { __list_add(new, head->prev, head); } /* * Insert a new entry between two known consecutive entries. * * This is only for internal list manipulation where we know * the prev/next entries already! */ static inline void __list_add_rcu(struct list_head * new, struct list_head * prev, struct list_head * next) { new->next = next; new->prev = prev; smp_wmb(); next->prev = new; prev->next = new; } /** * list_add_rcu - add a new entry to rcu-protected list * @new: new entry to be added * @head: list head to add it after * * Insert a new entry after the specified head. * This is good for implementing stacks. * * The caller must take whatever precautions are necessary * (such as holding appropriate locks) to avoid racing * with another list-mutation primitive, such as list_add_rcu() * or list_del_rcu(), running on this same list. * However, it is perfectly legal to run concurrently with * the _rcu list-traversal primitives, such as * list_for_each_entry_rcu(). */ static inline void list_add_rcu(struct list_head *new, struct list_head *head) { __list_add_rcu(new, head, head->next); } /** * list_add_tail_rcu - add a new entry to rcu-protected list * @new: new entry to be added * @head: list head to add it before * * Insert a new entry before the specified head. * This is useful for implementing queues. * * The caller must take whatever precautions are necessary * (such as holding appropriate locks) to avoid racing * with another list-mutation primitive, such as list_add_tail_rcu() * or list_del_rcu(), running on this same list. * However, it is perfectly legal to run concurrently with * the _rcu list-traversal primitives, such as * list_for_each_entry_rcu(). */ static inline void list_add_tail_rcu(struct list_head *new, struct list_head *head) { __list_add_rcu(new, head->prev, head); } /* * Delete a list entry by making the prev/next entries * point to each other. * * This is only for internal list manipulation where we know * the prev/next entries already! */ static inline void __list_del(struct list_head * prev, struct list_head * next) { next->prev = prev; prev->next = next; } /** * list_del - deletes entry from list. * @entry: the element to delete from the list. * Note: list_empty on entry does not return true after this, the entry is * in an undefined state. */ static inline void list_del(struct list_head *entry) { __list_del(entry->prev, entry->next); entry->next = LIST_POISON1; entry->prev = LIST_POISON2; } /** * list_del_rcu - deletes entry from list without re-initialization * @entry: the element to delete from the list. * * Note: list_empty on entry does not return true after this, * the entry is in an undefined state. It is useful for RCU based * lockfree traversal. * * In particular, it means that we can not poison the forward * pointers that may still be used for walking the list. * * The caller must take whatever precautions are necessary * (such as holding appropriate locks) to avoid racing * with another list-mutation primitive, such as list_del_rcu() * or list_add_rcu(), running on this same list. * However, it is perfectly legal to run concurrently with * the _rcu list-traversal primitives, such as * list_for_each_entry_rcu(). * * Note that the caller is not permitted to immediately free * the newly deleted entry. Instead, either synchronize_kernel() * or call_rcu() must be used to defer freeing until an RCU * grace period has elapsed. */ static inline void list_del_rcu(struct list_head *entry) { __list_del(entry->prev, entry->next); entry->prev = LIST_POISON2; } /** * list_del_init - deletes entry from list and reinitialize it. * @entry: the element to delete from the list. */ static inline void list_del_init(struct list_head *entry) { __list_del(entry->prev, entry->next); INIT_LIST_HEAD(entry); } /** * list_move - delete from one list and add as another's head * @list: the entry to move * @head: the head that will precede our entry */ static inline void list_move(struct list_head *list, struct list_head *head) { __list_del(list->prev, list->next); list_add(list, head); } /** * list_move_tail - delete from one list and add as another's tail * @list: the entry to move * @head: the head that will follow our entry */ static inline void list_move_tail(struct list_head *list, struct list_head *head) { __list_del(list->prev, list->next); list_add_tail(list, head); } /** * list_empty - tests whether a list is empty * @head: the list to test. */ static inline int list_empty(const struct list_head *head) { return head->next == head; } /** * list_empty_careful - tests whether a list is * empty _and_ checks that no other CPU might be * in the process of still modifying either member * * NOTE: using list_empty_careful() without synchronization * can only be safe if the only activity that can happen * to the list entry is list_del_init(). Eg. it cannot be used * if another CPU could re-list_add() it. * * @head: the list to test. */ static inline int list_empty_careful(const struct list_head *head) { struct list_head *next = head->next; return (next == head) && (next == head->prev); } static inline void __list_splice(struct list_head *list, struct list_head *head) { struct list_head *first = list->next; struct list_head *last = list->prev; struct list_head *at = head->next; first->prev = head; head->next = first; last->next = at; at->prev = last; } /** * list_splice - join two lists * @list: the new list to add. * @head: the place to add it in the first list. */ static inline void list_splice(struct list_head *list, struct list_head *head) { if (!list_empty(list)) __list_splice(list, head); } /** * list_splice_init - join two lists and reinitialise the emptied list. * @list: the new list to add. * @head: the place to add it in the first list. * * The list at @list is reinitialised */ static inline void list_splice_init(struct list_head *list, struct list_head *head) { if (!list_empty(list)) { __list_splice(list, head); INIT_LIST_HEAD(list); } } /** * list_entry - get the struct for this entry * @ptr: the &struct list_head pointer. * @type: the type of the struct this is embedded in. * @member: the name of the list_struct within the struct. */ #define list_entry(ptr, type, member) \ container_of(ptr, type, member) /** * list_for_each - iterate over a list * @pos: the &struct list_head to use as a loop counter. * @head: the head for your list. */ #define list_for_each(pos, head) \ for (pos = (head)->next, prefetch(pos->next); pos != (head); \ pos = pos->next, prefetch(pos->next)) /** * __list_for_each - iterate over a list * @pos: the &struct list_head to use as a loop counter. * @head: the head for your list. * * This variant differs from list_for_each() in that it's the * simplest possible list iteration code, no prefetching is done. * Use this for code that knows the list to be very short (empty * or 1 entry) most of the time. */ #define __list_for_each(pos, head) \ for (pos = (head)->next; pos != (head); pos = pos->next) /** * list_for_each_prev - iterate over a list backwards * @pos: the &struct list_head to use as a loop counter. * @head: the head for your list. */ #define list_for_each_prev(pos, head) \ for (pos = (head)->prev, prefetch(pos->prev); pos != (head); \ pos = pos->prev, prefetch(pos->prev)) /** * list_for_each_safe - iterate over a list safe against removal of list entry * @pos: the &struct list_head to use as a loop counter. * @n: another &struct list_head to use as temporary storage * @head: the head for your list. */ #define list_for_each_safe(pos, n, head) \ for (pos = (head)->next, n = pos->next; pos != (head); \ pos = n, n = pos->next) /** * list_for_each_entry - iterate over list of given type * @pos: the type * to use as a loop counter. * @head: the head for your list. * @member: the name of the list_struct within the struct. */ #define list_for_each_entry(pos, head, member) \ for (pos = list_entry((head)->next, typeof(*pos), member), \ prefetch(pos->member.next); \ &pos->member != (head); \ pos = list_entry(pos->member.next, typeof(*pos), member), \ prefetch(pos->member.next)) /** * list_for_each_entry_reverse - iterate backwards over list of given type. * @pos: the type * to use as a loop counter. * @head: the head for your list. * @member: the name of the list_struct within the struct. */ #define list_for_each_entry_reverse(pos, head, member) \ for (pos = list_entry((head)->prev, typeof(*pos), member), \ prefetch(pos->member.prev); \ &pos->member != (head); \ pos = list_entry(pos->member.prev, typeof(*pos), member), \ prefetch(pos->member.prev)) /** * list_prepare_entry - prepare a pos entry for use as a start point in * list_for_each_entry_continue * @pos: the type * to use as a start point * @head: the head of the list * @member: the name of the list_struct within the struct. */ #define list_prepare_entry(pos, head, member) \ ((pos) ? : list_entry(head, typeof(*pos), member)) /** * list_for_each_entry_continue - iterate over list of given type * continuing after existing point * @pos: the type * to use as a loop counter. * @head: the head for your list. * @member: the name of the list_struct within the struct. */ #define list_for_each_entry_continue(pos, head, member) \ for (pos = list_entry(pos->member.next, typeof(*pos), member), \ prefetch(pos->member.next); \ &pos->member != (head); \ pos = list_entry(pos->member.next, typeof(*pos), member), \ prefetch(pos->member.next)) /** * list_for_each_entry_safe - iterate over list of given type safe against removal of list entry * @pos: the type * to use as a loop counter. * @n: another type * to use as temporary storage * @head: the head for your list. * @member: the name of the list_struct within the struct. */ #define list_for_each_entry_safe(pos, n, head, member) \ for (pos = list_entry((head)->next, typeof(*pos), member), \ n = list_entry(pos->member.next, typeof(*pos), member); \ &pos->member != (head); \ pos = n, n = list_entry(n->member.next, typeof(*n), member)) /** * list_for_each_rcu - iterate over an rcu-protected list * @pos: the &struct list_head to use as a loop counter. * @head: the head for your list. * * This list-traversal primitive may safely run concurrently with * the _rcu list-mutation primitives such as list_add_rcu() * as long as the traversal is guarded by rcu_read_lock(). */ #define list_for_each_rcu(pos, head) \ for (pos = (head)->next, prefetch(pos->next); pos != (head); \ pos = pos->next, ({ smp_read_barrier_depends(); 0;}), prefetch(pos->next)) #define __list_for_each_rcu(pos, head) \ for (pos = (head)->next; pos != (head); \ pos = pos->next, ({ smp_read_barrier_depends(); 0;})) /** * list_for_each_safe_rcu - iterate over an rcu-protected list safe * against removal of list entry * @pos: the &struct list_head to use as a loop counter. * @n: another &struct list_head to use as temporary storage * @head: the head for your list. * * This list-traversal primitive may safely run concurrently with * the _rcu list-mutation primitives such as list_add_rcu() * as long as the traversal is guarded by rcu_read_lock(). */ #define list_for_each_safe_rcu(pos, n, head) \ for (pos = (head)->next, n = pos->next; pos != (head); \ pos = n, ({ smp_read_barrier_depends(); 0;}), n = pos->next) /** * list_for_each_entry_rcu - iterate over rcu list of given type * @pos: the type * to use as a loop counter. * @head: the head for your list. * @member: the name of the list_struct within the struct. * * This list-traversal primitive may safely run concurrently with * the _rcu list-mutation primitives such as list_add_rcu() * as long as the traversal is guarded by rcu_read_lock(). */ #define list_for_each_entry_rcu(pos, head, member) \ for (pos = list_entry((head)->next, typeof(*pos), member), \ prefetch(pos->member.next); \ &pos->member != (head); \ pos = list_entry(pos->member.next, typeof(*pos), member), \ ({ smp_read_barrier_depends(); 0;}), \ prefetch(pos->member.next)) /** * list_for_each_continue_rcu - iterate over an rcu-protected list * continuing after existing point. * @pos: the &struct list_head to use as a loop counter. * @head: the head for your list. * * This list-traversal primitive may safely run concurrently with * the _rcu list-mutation primitives such as list_add_rcu() * as long as the traversal is guarded by rcu_read_lock(). */ #define list_for_each_continue_rcu(pos, head) \ for ((pos) = (pos)->next, prefetch((pos)->next); (pos) != (head); \ (pos) = (pos)->next, ({ smp_read_barrier_depends(); 0;}), prefetch((pos)->next)) /* * Double linked lists with a single pointer list head. * Mostly useful for hash tables where the two pointer list head is * too wasteful. * You lose the ability to access the tail in O(1). */ struct hlist_head { struct hlist_node *first; }; struct hlist_node { struct hlist_node *next, **pprev; }; #define HLIST_HEAD_INIT { .first = NULL } #define HLIST_HEAD(name) struct hlist_head name = { .first = NULL } #define INIT_HLIST_HEAD(ptr) ((ptr)->first = NULL) #define INIT_HLIST_NODE(ptr) ((ptr)->next = NULL, (ptr)->pprev = NULL) static inline int hlist_unhashed(const struct hlist_node *h) { return !h->pprev; } static inline int hlist_empty(const struct hlist_head *h) { return !h->first; } static inline void __hlist_del(struct hlist_node *n) { struct hlist_node *next = n->next; struct hlist_node **pprev = n->pprev; *pprev = next; if (next) next->pprev = pprev; } static inline void hlist_del(struct hlist_node *n) { __hlist_del(n); n->next = LIST_POISON1; n->pprev = LIST_POISON2; } /** * hlist_del_rcu - deletes entry from hash list without re-initialization * @n: the element to delete from the hash list. * * Note: list_unhashed() on entry does not return true after this, * the entry is in an undefined state. It is useful for RCU based * lockfree traversal. * * In particular, it means that we can not poison the forward * pointers that may still be used for walking the hash list. * * The caller must take whatever precautions are necessary * (such as holding appropriate locks) to avoid racing * with another list-mutation primitive, such as hlist_add_head_rcu() * or hlist_del_rcu(), running on this same list. * However, it is perfectly legal to run concurrently with * the _rcu list-traversal primitives, such as * hlist_for_each_entry(). */ static inline void hlist_del_rcu(struct hlist_node *n) { __hlist_del(n); n->pprev = LIST_POISON2; } static inline void hlist_del_init(struct hlist_node *n) { if (n->pprev) { __hlist_del(n); INIT_HLIST_NODE(n); } } #define hlist_del_rcu_init hlist_del_init static inline void hlist_add_head(struct hlist_node *n, struct hlist_head *h) { struct hlist_node *first = h->first; n->next = first; if (first) first->pprev = &n->next; h->first = n; n->pprev = &h->first; } /** * hlist_add_head_rcu - adds the specified element to the specified hlist, * while permitting racing traversals. * @n: the element to add to the hash list. * @h: the list to add to. * * The caller must take whatever precautions are necessary * (such as holding appropriate locks) to avoid racing * with another list-mutation primitive, such as hlist_add_head_rcu() * or hlist_del_rcu(), running on this same list. * However, it is perfectly legal to run concurrently with * the _rcu list-traversal primitives, such as * hlist_for_each_entry(), but only if smp_read_barrier_depends() * is used to prevent memory-consistency problems on Alpha CPUs. * Regardless of the type of CPU, the list-traversal primitive * must be guarded by rcu_read_lock(). * * OK, so why don't we have an hlist_for_each_entry_rcu()??? */ static inline void hlist_add_head_rcu(struct hlist_node *n, struct hlist_head *h) { struct hlist_node *first = h->first; n->next = first; n->pprev = &h->first; smp_wmb(); if (first) first->pprev = &n->next; h->first = n; } /* next must be != NULL */ static inline void hlist_add_before(struct hlist_node *n, struct hlist_node *next) { n->pprev = next->pprev; n->next = next; next->pprev = &n->next; *(n->pprev) = n; } static inline void hlist_add_after(struct hlist_node *n, struct hlist_node *next) { next->next = n->next; n->next = next; next->pprev = &n->next; if(next->next) next->next->pprev = &next->next; } #define hlist_entry(ptr, type, member) container_of(ptr,type,member) #define hlist_for_each(pos, head) \ for (pos = (head)->first; pos && ({ prefetch(pos->next); 1; }); \ pos = pos->next) #define hlist_for_each_safe(pos, n, head) \ for (pos = (head)->first; pos && ({ n = pos->next; 1; }); \ pos = n) /** * hlist_for_each_entry - iterate over list of given type * @tpos: the type * to use as a loop counter. * @pos: the &struct hlist_node to use as a loop counter. * @head: the head for your list. * @member: the name of the hlist_node within the struct. */ #define hlist_for_each_entry(tpos, pos, head, member) \ for (pos = (head)->first; \ pos && ({ prefetch(pos->next); 1;}) && \ ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \ pos = pos->next) /** * hlist_for_each_entry_continue - iterate over a hlist continuing after existing point * @tpos: the type * to use as a loop counter. * @pos: the &struct hlist_node to use as a loop counter. * @member: the name of the hlist_node within the struct. */ #define hlist_for_each_entry_continue(tpos, pos, member) \ for (pos = (pos)->next; \ pos && ({ prefetch(pos->next); 1;}) && \ ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \ pos = pos->next) /** * hlist_for_each_entry_from - iterate over a hlist continuing from existing point * @tpos: the type * to use as a loop counter. * @pos: the &struct hlist_node to use as a loop counter. * @member: the name of the hlist_node within the struct. */ #define hlist_for_each_entry_from(tpos, pos, member) \ for (; pos && ({ prefetch(pos->next); 1;}) && \ ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \ pos = pos->next) /** * hlist_for_each_entry_safe - iterate over list of given type safe against removal of list entry * @tpos: the type * to use as a loop counter. * @pos: the &struct hlist_node to use as a loop counter. * @n: another &struct hlist_node to use as temporary storage * @head: the head for your list. * @member: the name of the hlist_node within the struct. */ #define hlist_for_each_entry_safe(tpos, pos, n, head, member) \ for (pos = (head)->first; \ pos && ({ n = pos->next; 1; }) && \ ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \ pos = n) /** * hlist_for_each_entry_rcu - iterate over rcu list of given type * @pos: the type * to use as a loop counter. * @pos: the &struct hlist_node to use as a loop counter. * @head: the head for your list. * @member: the name of the hlist_node within the struct. * * This list-traversal primitive may safely run concurrently with * the _rcu list-mutation primitives such as hlist_add_rcu() * as long as the traversal is guarded by rcu_read_lock(). */ #define hlist_for_each_entry_rcu(tpos, pos, head, member) \ for (pos = (head)->first; \ pos && ({ prefetch(pos->next); 1;}) && \ ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \ pos = pos->next, ({ smp_read_barrier_depends(); 0; }) ) #endif conntrack-1.4.3/include/linux_rbtree.h000066400000000000000000000114001257407526400200070ustar00rootroot00000000000000/* Red Black Trees (C) 1999 Andrea Arcangeli 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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA linux/include/linux/rbtree.h To use rbtrees you'll have to implement your own insert and search cores. This will avoid us to use callbacks and to drop drammatically performances. I know it's not the cleaner way, but in C (not in C++) to get performances and genericity... Some example of insert and search follows here. The search is a plain normal search over an ordered tree. The insert instead must be implemented int two steps: as first thing the code must insert the element in order as a red leaf in the tree, then the support library function rb_insert_color() must be called. Such function will do the not trivial work to rebalance the rbtree if necessary. ----------------------------------------------------------------------- static inline struct page * rb_search_page_cache(struct inode * inode, unsigned long offset) { struct rb_node * n = inode->i_rb_page_cache.rb_node; struct page * page; while (n) { page = rb_entry(n, struct page, rb_page_cache); if (offset < page->offset) n = n->rb_left; else if (offset > page->offset) n = n->rb_right; else return page; } return NULL; } static inline struct page * __rb_insert_page_cache(struct inode * inode, unsigned long offset, struct rb_node * node) { struct rb_node ** p = &inode->i_rb_page_cache.rb_node; struct rb_node * parent = NULL; struct page * page; while (*p) { parent = *p; page = rb_entry(parent, struct page, rb_page_cache); if (offset < page->offset) p = &(*p)->rb_left; else if (offset > page->offset) p = &(*p)->rb_right; else return page; } rb_link_node(node, parent, p); return NULL; } static inline struct page * rb_insert_page_cache(struct inode * inode, unsigned long offset, struct rb_node * node) { struct page * ret; if ((ret = __rb_insert_page_cache(inode, offset, node))) goto out; rb_insert_color(node, &inode->i_rb_page_cache); out: return ret; } ----------------------------------------------------------------------- */ #ifndef _LINUX_RBTREE_H #define _LINUX_RBTREE_H #include struct rb_node { unsigned long rb_parent_color; #define RB_RED 0 #define RB_BLACK 1 struct rb_node *rb_right; struct rb_node *rb_left; } __attribute__((aligned(sizeof(long)))); /* The alignment might seem pointless, but allegedly CRIS needs it */ struct rb_root { struct rb_node *rb_node; }; #define rb_parent(r) ((struct rb_node *)((r)->rb_parent_color & ~3)) #define rb_color(r) ((r)->rb_parent_color & 1) #define rb_is_red(r) (!rb_color(r)) #define rb_is_black(r) rb_color(r) #define rb_set_red(r) do { (r)->rb_parent_color &= ~1; } while (0) #define rb_set_black(r) do { (r)->rb_parent_color |= 1; } while (0) static inline void rb_set_parent(struct rb_node *rb, struct rb_node *p) { rb->rb_parent_color = (rb->rb_parent_color & 3) | (unsigned long)p; } static inline void rb_set_color(struct rb_node *rb, int color) { rb->rb_parent_color = (rb->rb_parent_color & ~1) | color; } #define RB_ROOT { NULL, } #define rb_entry(ptr, type, member) container_of(ptr, type, member) #define RB_EMPTY_ROOT(root) ((root)->rb_node == NULL) #define RB_EMPTY_NODE(node) (rb_parent(node) == node) #define RB_CLEAR_NODE(node) (rb_set_parent(node, node)) extern void rb_insert_color(struct rb_node *, struct rb_root *); extern void rb_erase(struct rb_node *, struct rb_root *); /* Find logical next and previous nodes in a tree */ extern struct rb_node *rb_next(struct rb_node *); extern struct rb_node *rb_prev(struct rb_node *); extern struct rb_node *rb_first(struct rb_root *); extern struct rb_node *rb_last(struct rb_root *); /* Fast replacement of a single node without remove/rebalance/add/rebalance */ extern void rb_replace_node(struct rb_node *victim, struct rb_node *new, struct rb_root *root); static inline void rb_link_node(struct rb_node * node, struct rb_node * parent, struct rb_node ** rb_link) { node->rb_parent_color = (unsigned long )parent; node->rb_left = node->rb_right = NULL; *rb_link = node; } #endif /* _LINUX_RBTREE_H */ conntrack-1.4.3/include/local.h000066400000000000000000000016041257407526400164040ustar00rootroot00000000000000#ifndef _LOCAL_SOCKET_H_ #define _LOCAL_SOCKET_H_ #ifndef UNIX_PATH_MAX #define UNIX_PATH_MAX 108 #endif struct local_conf { int backlog; int reuseaddr; char path[UNIX_PATH_MAX]; }; struct local_server { int fd; char path[UNIX_PATH_MAX]; }; /* callback return values */ #define LOCAL_RET_ERROR -1 #define LOCAL_RET_OK 0 #define LOCAL_RET_STOLEN 1 /* local server */ int local_server_create(struct local_server *server, struct local_conf *conf); void local_server_destroy(struct local_server *server); int do_local_server_step(struct local_server *server, void *data, int (*process)(int fd, void *data)); /* local client */ int local_client_create(struct local_conf *conf); void local_client_destroy(int fd); int do_local_client_step(int fd, void (*process)(char *buf)); int do_local_request(int, struct local_conf *,void (*step)(char *buf)); void local_step(char *buf); #endif conntrack-1.4.3/include/log.h000066400000000000000000000005101257407526400160660ustar00rootroot00000000000000#ifndef _LOG_H_ #define _LOG_H_ #include struct nf_conntrack; struct nf_expect; int init_log(void); void dlog(int priority, const char *format, ...); void dlog_ct(FILE *fd, struct nf_conntrack *ct, unsigned int type); void dlog_exp(FILE *fd, struct nf_expect *exp, unsigned int type); void close_log(void); #endif conntrack-1.4.3/include/mcast.h000066400000000000000000000025511257407526400164230ustar00rootroot00000000000000#ifndef _MCAST_H_ #define _MCAST_H_ #include #include #include #include struct mcast_conf { int ipproto; int reuseaddr; int checksum; unsigned short port; union { struct in_addr inet_addr; struct in6_addr inet_addr6; } in; union { struct in_addr interface_addr; unsigned int interface_index6; } ifa; int sndbuf; int rcvbuf; }; struct mcast_stats { uint64_t bytes; uint64_t messages; uint64_t error; }; struct mcast_sock { int fd; union { struct sockaddr_in ipv4; struct sockaddr_in6 ipv6; } addr; socklen_t sockaddr_len; struct mcast_stats stats; }; struct mcast_sock *mcast_server_create(struct mcast_conf *conf); void mcast_server_destroy(struct mcast_sock *m); struct mcast_sock *mcast_client_create(struct mcast_conf *conf); void mcast_client_destroy(struct mcast_sock *m); ssize_t mcast_send(struct mcast_sock *m, const void *data, int size); ssize_t mcast_recv(struct mcast_sock *m, void *data, int size); int mcast_get_fd(struct mcast_sock *m); int mcast_isset(struct mcast_sock *m, fd_set *readfds); int mcast_snprintf_stats(char *buf, size_t buflen, char *ifname, struct mcast_stats *s, struct mcast_stats *r); int mcast_snprintf_stats2(char *buf, size_t buflen, const char *ifname, const char *status, int active, struct mcast_stats *s, struct mcast_stats *r); #endif conntrack-1.4.3/include/myct.h000066400000000000000000000011171257407526400162650ustar00rootroot00000000000000#ifndef _MYCT_H_ #define _MYCT_H_ #include "linux_list.h" #include struct nf_conntrack; enum { MYCT_NONE = 0, MYCT_ESTABLISHED = (1 << 0), }; enum { MYCT_DIR_ORIG = 0, MYCT_DIR_REPL, MYCT_DIR_MAX, }; union myct_proto { uint16_t port; uint16_t all; }; struct myct_man { union nfct_attr_grp_addr u3; union myct_proto u; uint16_t l3num; uint8_t protonum; }; struct myct_tuple { struct myct_man src; struct myct_man dst; }; struct myct { struct nf_conntrack *ct; struct nf_expect *exp; void *priv_data; }; #endif conntrack-1.4.3/include/netlink.h000066400000000000000000000031471257407526400167620ustar00rootroot00000000000000#ifndef _NETLINK_H_ #define _NETLINK_H_ #include struct nf_conntrack; struct nfct_handle; struct nfct_handle *nl_init_event_handler(void); struct nlif_handle *nl_init_interface_handler(void); int nl_send_resync(struct nfct_handle *h); void nl_resize_socket_buffer(struct nfct_handle *h); int nl_dump_conntrack_table(struct nfct_handle *h); int nl_flush_conntrack_table_selective(void); int nl_get_conntrack(struct nfct_handle *h, const struct nf_conntrack *ct); int nl_create_conntrack(struct nfct_handle *h, const struct nf_conntrack *ct, int timeout); int nl_update_conntrack(struct nfct_handle *h, const struct nf_conntrack *ct, int timeout); int nl_destroy_conntrack(struct nfct_handle *h, const struct nf_conntrack *ct); static inline int ct_is_related(const struct nf_conntrack *ct) { return (nfct_attr_is_set(ct, ATTR_MASTER_L3PROTO) && nfct_attr_is_set(ct, ATTR_MASTER_L4PROTO) && ((nfct_attr_is_set(ct, ATTR_MASTER_IPV4_SRC) && nfct_attr_is_set(ct, ATTR_MASTER_IPV4_DST)) || (nfct_attr_is_set(ct, ATTR_MASTER_IPV6_SRC) && nfct_attr_is_set(ct, ATTR_MASTER_IPV6_DST))) && nfct_attr_is_set(ct, ATTR_MASTER_PORT_SRC) && nfct_attr_is_set(ct, ATTR_MASTER_PORT_DST)); } int nl_create_expect(struct nfct_handle *h, const struct nf_expect *orig, int timeout); int nl_destroy_expect(struct nfct_handle *h, const struct nf_expect *exp); int nl_get_expect(struct nfct_handle *h, const struct nf_expect *exp); int nl_dump_expect_table(struct nfct_handle *h); int nl_flush_expect_table(struct nfct_handle *h); int nl_send_expect_resync(struct nfct_handle *h); #endif conntrack-1.4.3/include/network.h000066400000000000000000000165631257407526400170150ustar00rootroot00000000000000#ifndef _NETWORK_H_ #define _NETWORK_H_ #include #include #define CONNTRACKD_PROTOCOL_VERSION 1 struct nf_conntrack; struct nf_expect; struct nethdr { #if __BYTE_ORDER == __LITTLE_ENDIAN uint8_t type:4, version:4; #elif __BYTE_ORDER == __BIG_ENDIAN uint8_t version:4, type:4; #else #error "Unknown system endianess!" #endif uint8_t flags; uint16_t len; uint32_t seq; }; #define NETHDR_SIZ nethdr_align(sizeof(struct nethdr)) enum nethdr_type { NET_T_STATE_CT_NEW = 0, NET_T_STATE_CT_UPD, NET_T_STATE_CT_DEL, NET_T_STATE_EXP_NEW = 3, NET_T_STATE_EXP_UPD, NET_T_STATE_EXP_DEL, NET_T_STATE_MAX = NET_T_STATE_EXP_DEL, NET_T_CTL = 10, }; int nethdr_align(int len); int nethdr_size(int len); void nethdr_set(struct nethdr *net, int type); void nethdr_set_ack(struct nethdr *net); void nethdr_set_ctl(struct nethdr *net); struct cache_object; int object_status_to_network_type(struct cache_object *obj); #define NETHDR_DATA(x) \ (struct netattr *)(((char *)x) + NETHDR_SIZ) #define NETHDR_TAIL(x) \ (struct netattr *)(((char *)x) + x->len) struct nethdr_ack { #if __BYTE_ORDER == __LITTLE_ENDIAN uint8_t type:4, version:4; #elif __BYTE_ORDER == __BIG_ENDIAN uint8_t version:4, type:4; #else #error "Unknown system endianess!" #endif uint8_t flags; uint16_t len; uint32_t seq; uint32_t from; uint32_t to; }; #define NETHDR_ACK_SIZ nethdr_align(sizeof(struct nethdr_ack)) enum { NET_F_UNUSED = (1 << 0), NET_F_RESYNC = (1 << 1), NET_F_NACK = (1 << 2), NET_F_ACK = (1 << 3), NET_F_ALIVE = (1 << 4), NET_F_HELLO = (1 << 5), NET_F_HELLO_BACK= (1 << 6), }; enum { MSG_DATA, MSG_CTL, MSG_DROP, MSG_BAD, }; #define BUILD_NETMSG_FROM_CT(ct, query) \ ({ \ static char __net[4096]; \ struct nethdr *__hdr = (struct nethdr *) __net; \ memset(__hdr, 0, NETHDR_SIZ); \ nethdr_set(__hdr, query); \ ct2msg(ct, __hdr); \ HDR_HOST2NETWORK(__hdr); \ __hdr; \ }) #define BUILD_NETMSG_FROM_EXP(exp, query) \ ({ \ static char __net[4096]; \ struct nethdr *__hdr = (struct nethdr *) __net; \ memset(__hdr, 0, NETHDR_SIZ); \ nethdr_set(__hdr, query); \ exp2msg(exp, __hdr); \ HDR_HOST2NETWORK(__hdr); \ __hdr; \ }) struct mcast_sock_multi; enum { SEQ_UNKNOWN, SEQ_UNSET, SEQ_IN_SYNC, SEQ_AFTER, SEQ_BEFORE, }; int nethdr_track_seq(uint32_t seq, uint32_t *exp_seq); void nethdr_track_update_seq(uint32_t seq); int nethdr_track_is_seq_set(void); struct mcast_conf; #define IS_DATA(x) (x->type <= NET_T_STATE_MAX && \ (x->flags & ~(NET_F_HELLO | NET_F_HELLO_BACK)) == 0) #define IS_ACK(x) (x->type == NET_T_CTL && x->flags & NET_F_ACK) #define IS_NACK(x) (x->type == NET_T_CTL && x->flags & NET_F_NACK) #define IS_RESYNC(x) (x->type == NET_T_CTL && x->flags & NET_F_RESYNC) #define IS_ALIVE(x) (x->type == NET_T_CTL && x->flags & NET_F_ALIVE) #define IS_HELLO(x) (x->flags & NET_F_HELLO) #define IS_HELLO_BACK(x)(x->flags & NET_F_HELLO_BACK) #define HDR_NETWORK2HOST(x) \ ({ \ x->len = ntohs(x->len); \ x->seq = ntohl(x->seq); \ if (IS_ACK(x) || IS_NACK(x) || IS_RESYNC(x)) { \ struct nethdr_ack *__ack = (struct nethdr_ack *) x; \ __ack->from = ntohl(__ack->from); \ __ack->to = ntohl(__ack->to); \ } \ }) #define HDR_HOST2NETWORK(x) \ ({ \ if (IS_ACK(x) || IS_NACK(x) || IS_RESYNC(x)) { \ struct nethdr_ack *__ack = (struct nethdr_ack *) x; \ __ack->from = htonl(__ack->from); \ __ack->to = htonl(__ack->to); \ } \ x->len = htons(x->len); \ x->seq = htonl(x->seq); \ }) /* extracted from net/tcp.h */ /* * The next routines deal with comparing 32 bit unsigned ints * and worry about wraparound (automatic with unsigned arithmetic). */ static inline int before(uint32_t seq1, uint32_t seq2) { return (int32_t)(seq1-seq2) < 0; } #define after(seq2, seq1) before(seq1, seq2) /* is s2<=s1<=s3 ? */ static inline int between(uint32_t seq1, uint32_t seq2, uint32_t seq3) { return seq3 - seq2 >= seq1 - seq2; } struct netattr { uint16_t nta_len; uint16_t nta_attr; }; #define ATTR_NETWORK2HOST(x) \ ({ \ x->nta_len = ntohs(x->nta_len); \ x->nta_attr = ntohs(x->nta_attr); \ }) #define NTA_SIZE(len) NTA_ALIGN(sizeof(struct netattr)) + len #define NTA_DATA(x) \ (void *)(((char *)x) + NTA_ALIGN(sizeof(struct netattr))) #define NTA_NEXT(x, len) \ ( \ len -= NTA_ALIGN(x->nta_len), \ (struct netattr *)(((char *)x) + NTA_ALIGN(x->nta_len)) \ ) #define NTA_ALIGNTO 4 #define NTA_ALIGN(len) (((len) + NTA_ALIGNTO - 1) & ~(NTA_ALIGNTO - 1)) #define NTA_LENGTH(len) (NTA_ALIGN(sizeof(struct netattr)) + (len)) enum nta_attr { NTA_IPV4 = 0, /* struct nfct_attr_grp_ipv4 */ NTA_IPV6, /* struct nfct_attr_grp_ipv6 */ NTA_L4PROTO, /* uint8_t */ NTA_PORT, /* struct nfct_attr_grp_port */ NTA_TCP_STATE = 4, /* uint8_t */ NTA_STATUS, /* uint32_t */ NTA_TIMEOUT, /* uint32_t */ NTA_MARK, /* uint32_t */ NTA_MASTER_IPV4 = 8, /* struct nfct_attr_grp_ipv4 */ NTA_MASTER_IPV6, /* struct nfct_attr_grp_ipv6 */ NTA_MASTER_L4PROTO, /* uint8_t */ NTA_MASTER_PORT, /* struct nfct_attr_grp_port */ NTA_SNAT_IPV4 = 12, /* uint32_t */ NTA_DNAT_IPV4, /* uint32_t */ NTA_SPAT_PORT, /* uint16_t */ NTA_DPAT_PORT, /* uint16_t */ NTA_NAT_SEQ_ADJ = 16, /* struct nta_attr_natseqadj */ NTA_SCTP_STATE, /* uint8_t */ NTA_SCTP_VTAG_ORIG, /* uint32_t */ NTA_SCTP_VTAG_REPL, /* uint32_t */ NTA_DCCP_STATE = 20, /* uint8_t */ NTA_DCCP_ROLE, /* uint8_t */ NTA_ICMP_TYPE, /* uint8_t */ NTA_ICMP_CODE, /* uint8_t */ NTA_ICMP_ID, /* uint16_t */ NTA_TCP_WSCALE_ORIG, /* uint8_t */ NTA_TCP_WSCALE_REPL, /* uint8_t */ NTA_HELPER_NAME, /* string (variable length) */ NTA_LABELS, /* array of uint32_t (variable length) */ NTA_MAX }; /* allow to serialize/replicate up to 4k labels per flow */ #define NTA_LABELS_MAX_SIZE (4096/sizeof(uint32_t)) struct nta_attr_natseqadj { uint32_t orig_seq_correction_pos; uint32_t orig_seq_offset_before; uint32_t orig_seq_offset_after; uint32_t repl_seq_correction_pos; uint32_t repl_seq_offset_before; uint32_t repl_seq_offset_after; }; void ct2msg(const struct nf_conntrack *ct, struct nethdr *n); int msg2ct(struct nf_conntrack *ct, struct nethdr *n, size_t remain); enum nta_exp_attr { NTA_EXP_MASTER_IPV4 = 0, /* struct nfct_attr_grp_ipv4 */ NTA_EXP_MASTER_IPV6, /* struct nfct_attr_grp_ipv6 */ NTA_EXP_MASTER_L4PROTO, /* uint8_t */ NTA_EXP_MASTER_PORT, /* struct nfct_attr_grp_port */ NTA_EXP_EXPECT_IPV4 = 4, /* struct nfct_attr_grp_ipv4 */ NTA_EXP_EXPECT_IPV6, /* struct nfct_attr_grp_ipv6 */ NTA_EXP_EXPECT_L4PROTO, /* uint8_t */ NTA_EXP_EXPECT_PORT, /* struct nfct_attr_grp_port */ NTA_EXP_MASK_IPV4 = 8, /* struct nfct_attr_grp_ipv4 */ NTA_EXP_MASK_IPV6, /* struct nfct_attr_grp_ipv6 */ NTA_EXP_MASK_L4PROTO, /* uint8_t */ NTA_EXP_MASK_PORT, /* struct nfct_attr_grp_port */ NTA_EXP_TIMEOUT, /* uint32_t */ NTA_EXP_FLAGS, /* uint32_t */ NTA_EXP_CLASS, /* uint32_t */ NTA_EXP_NAT_IPV4, /* struct nfct_attr_grp_ipv4 */ NTA_EXP_NAT_PORT, /* struct nfct_attr_grp_port */ NTA_EXP_NAT_L4PROTO, /* uint8_t */ NTA_EXP_NAT_DIR, /* uint32_t */ NTA_EXP_HELPER_NAME, /* string (variable length) */ NTA_EXP_FN, /* string (variable length) */ NTA_EXP_MAX }; void exp2msg(const struct nf_expect *exp, struct nethdr *n); int msg2exp(struct nf_expect *exp, struct nethdr *n, size_t remain); #endif conntrack-1.4.3/include/nfct.h000066400000000000000000000015701257407526400162460ustar00rootroot00000000000000#ifndef _NFCT_H_ #define _NFCT_H_ #include "linux_list.h" enum { NFCT_SUBSYS_NONE = 0, NFCT_SUBSYS_TIMEOUT, NFCT_SUBSYS_HELPER, NFCT_SUBSYS_VERSION, NFCT_SUBSYS_HELP, NFCT_SUBSYS_MAX }; enum { NFCT_CMD_NONE = 0, NFCT_CMD_LIST, NFCT_CMD_ADD, NFCT_CMD_DELETE, NFCT_CMD_GET, NFCT_CMD_FLUSH, NFCT_CMD_DISABLE, NFCT_CMD_DEFAULT_SET, NFCT_CMD_DEFAULT_GET, NFCT_CMD_MAX, }; #define __init __attribute__((constructor)) void nfct_perror(const char *msg); struct nfct_extension { struct list_head head; int type; int (*parse_params)(struct mnl_socket *nl, int argc, char *argv[], int cmd); }; void nfct_extension_register(struct nfct_extension *ext); struct mnl_socket *nfct_mnl_open(void); int nfct_mnl_talk(struct mnl_socket *nl, struct nlmsghdr *nlh, uint32_t seq, uint32_t portid, int (*cb)(const struct nlmsghdr *nlh, void *data), void *data); #endif conntrack-1.4.3/include/origin.h000066400000000000000000000007361257407526400166060ustar00rootroot00000000000000#ifndef _ORIGIN_H_ #define _ORIGIN_H_ enum { CTD_ORIGIN_NOT_ME = 0, /* this event comes from the kernel or any process, but not conntrackd */ CTD_ORIGIN_COMMIT, /* event comes from committer */ CTD_ORIGIN_FLUSH, /* event comes from flush */ CTD_ORIGIN_INJECT, /* event comes from direct inject */ }; int origin_register(struct nfct_handle *h, int origin_type); int origin_find(const struct nlmsghdr *nlh); int origin_unregister(struct nfct_handle *h); #endif conntrack-1.4.3/include/process.h000066400000000000000000000010171257407526400167660ustar00rootroot00000000000000#ifndef _PROCESS_H_ #define _PROCESS_H_ enum process_type { CTD_PROC_ANY, /* any type */ CTD_PROC_FLUSH, /* flush process */ CTD_PROC_COMMIT, /* commit process */ CTD_PROC_MAX }; #define CTD_PROC_F_EXCL (1 << 0) /* only one process at a time */ struct child_process { struct list_head head; int pid; int type; void (*cb)(void *data); void *data; }; int fork_process_new(int type, int flags, void (*cb)(void *data), void *data); int fork_process_delete(int pid); void fork_process_dump(int fd); #endif conntrack-1.4.3/include/queue.h000066400000000000000000000025471257407526400164450ustar00rootroot00000000000000#ifndef _QUEUE_H_ #define _QUEUE_H_ #include #include "linux_list.h" struct queue_node { struct list_head head; uint32_t type; struct queue *owner; size_t size; }; enum { Q_ELEM_OBJ = 0, Q_ELEM_CTL = 1, Q_ELEM_ERR = 2, }; void queue_node_init(struct queue_node *n, int type); void *queue_node_data(struct queue_node *n); struct queue_object { struct queue_node qnode; char data[0]; }; struct queue_object *queue_object_new(int type, size_t size); void queue_object_free(struct queue_object *obj); struct evfd; #define QUEUE_NAMELEN 16 struct queue { struct list_head list; unsigned int max_elems; unsigned int num_elems; uint32_t enospc_err; uint32_t flags; struct list_head head; struct evfd *evfd; char name[QUEUE_NAMELEN]; }; #define QUEUE_F_EVFD (1U << 0) struct queue *queue_create(const char *name, int max_objects, unsigned int flags); void queue_destroy(struct queue *b); void queue_stats_show(int fd); unsigned int queue_len(const struct queue *b); int queue_add(struct queue *b, struct queue_node *n); int queue_del(struct queue_node *n); struct queue_node *queue_del_head(struct queue *b); int queue_in(struct queue *b, struct queue_node *n); void queue_iterate(struct queue *b, const void *data, int (*iterate)(struct queue_node *n, const void *data2)); int queue_get_eventfd(struct queue *b); #endif conntrack-1.4.3/include/stack.h000066400000000000000000000010241257407526400164130ustar00rootroot00000000000000#ifndef _STACK_H_ #define _STACK_H_ #include "linux_list.h" struct stack { struct list_head list; int items; }; static inline void stack_init(struct stack *s) { INIT_LIST_HEAD(&s->list); } struct stack_item { struct list_head head; int type; int data_len; char data[0]; }; struct stack_item *stack_item_alloc(int type, size_t data_len); void stack_item_free(struct stack_item *e); void stack_item_push(struct stack *s, struct stack_item *e); struct stack_item *stack_item_pop(struct stack *s, int type); #endif conntrack-1.4.3/include/sync.h000066400000000000000000000011361257407526400162660ustar00rootroot00000000000000#ifndef _SYNC_HOOKS_H_ #define _SYNC_HOOKS_H_ #include struct nethdr; struct cache_object; struct fds; struct sync_mode { int internal_cache_flags; int external_cache_flags; struct cache_extra *internal_cache_extra; struct cache_extra *external_cache_extra; int (*init)(void); void (*kill)(void); int (*local)(int fd, int type, void *data); int (*recv)(const struct nethdr *net); void (*enqueue)(struct cache_object *obj, int type); void (*xmit)(void); }; extern struct sync_mode sync_alarm; extern struct sync_mode sync_ftfw; extern struct sync_mode sync_notrack; #endif conntrack-1.4.3/include/tcp.h000066400000000000000000000032301257407526400160750ustar00rootroot00000000000000#ifndef _TCP_H_ #define _TCP_H_ #include #include #include struct tcp_conf { int ipproto; int reuseaddr; int checksum; unsigned short port; union { struct { struct in_addr inet_addr; } ipv4; struct { struct in6_addr inet_addr6; int scope_id; } ipv6; } server; union { struct in_addr inet_addr; struct in6_addr inet_addr6; } client; int sndbuf; int rcvbuf; }; struct tcp_stats { uint64_t bytes; uint64_t messages; uint64_t error; }; enum tcp_sock_state { TCP_SERVER_ACCEPTING, TCP_SERVER_CONNECTED, TCP_CLIENT_DISCONNECTED, TCP_CLIENT_CONNECTED }; struct tcp_sock { int state; /* enum tcp_sock_state */ int fd; int client_fd; /* only for the server side */ union { struct sockaddr_in ipv4; struct sockaddr_in6 ipv6; } addr; socklen_t sockaddr_len; struct tcp_stats stats; struct tcp_conf *conf; }; struct tcp_sock *tcp_server_create(struct tcp_conf *conf); void tcp_server_destroy(struct tcp_sock *m); struct tcp_sock *tcp_client_create(struct tcp_conf *conf); void tcp_client_destroy(struct tcp_sock *m); ssize_t tcp_send(struct tcp_sock *m, const void *data, int size); ssize_t tcp_recv(struct tcp_sock *m, void *data, int size); int tcp_accept(struct tcp_sock *m); int tcp_get_fd(struct tcp_sock *m); int tcp_isset(struct tcp_sock *m, fd_set *readfds); int tcp_accept_isset(struct tcp_sock *m, fd_set *readfds); int tcp_snprintf_stats(char *buf, size_t buflen, char *ifname, struct tcp_sock *s, struct tcp_sock *r); int tcp_snprintf_stats2(char *buf, size_t buflen, const char *ifname, const char *status, int active, struct tcp_stats *s, struct tcp_stats *r); #endif conntrack-1.4.3/include/traffic_stats.h000066400000000000000000000002511257407526400201430ustar00rootroot00000000000000#ifndef _TRAFFIC_STATS_H_ #define _TRAFFIC_STATS_H_ struct nf_conntrack; void update_traffic_stats(struct nf_conntrack *ct); void dump_traffic_stats(int fd); #endif conntrack-1.4.3/include/udp.h000066400000000000000000000025261257407526400161060ustar00rootroot00000000000000#ifndef _UDP_H_ #define _UDP_H_ #include #include #include struct udp_conf { int ipproto; int reuseaddr; int checksum; unsigned short port; union { struct { struct in_addr inet_addr; } ipv4; struct { struct in6_addr inet_addr6; int scope_id; } ipv6; } server; union { struct in_addr inet_addr; struct in6_addr inet_addr6; } client; int sndbuf; int rcvbuf; }; struct udp_stats { uint64_t bytes; uint64_t messages; uint64_t error; }; struct udp_sock { int fd; union { struct sockaddr_in ipv4; struct sockaddr_in6 ipv6; } addr; socklen_t sockaddr_len; struct udp_stats stats; }; struct udp_sock *udp_server_create(struct udp_conf *conf); void udp_server_destroy(struct udp_sock *m); struct udp_sock *udp_client_create(struct udp_conf *conf); void udp_client_destroy(struct udp_sock *m); ssize_t udp_send(struct udp_sock *m, const void *data, int size); ssize_t udp_recv(struct udp_sock *m, void *data, int size); int udp_get_fd(struct udp_sock *m); int udp_isset(struct udp_sock *m, fd_set *readfds); int udp_snprintf_stats(char *buf, size_t buflen, char *ifname, struct udp_stats *s, struct udp_stats *r); int udp_snprintf_stats2(char *buf, size_t buflen, const char *ifname, const char *status, int active, struct udp_stats *s, struct udp_stats *r); #endif conntrack-1.4.3/include/vector.h000066400000000000000000000004661257407526400166210ustar00rootroot00000000000000#ifndef _VECTOR_H_ #define _VECTOR_H_ #include struct vector; struct vector *vector_create(size_t size); void vector_destroy(struct vector *v); int vector_add(struct vector *v, void *data); int vector_iterate(struct vector *v, const void *data, int (*fcn)(const void *a, const void *b)); #endif conntrack-1.4.3/m4/000077500000000000000000000000001257407526400140355ustar00rootroot00000000000000conntrack-1.4.3/m4/.gitignore000066400000000000000000000000241257407526400160210ustar00rootroot00000000000000/libtool.m4 /lt*.m4 conntrack-1.4.3/m4/libtool.m4000066400000000000000000010575421257407526400157610ustar00rootroot00000000000000# libtool.m4 - Configure libtool for the host system. -*-Autoconf-*- # # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, # 2006, 2007, 2008, 2009, 2010, 2011 Free Software # Foundation, Inc. # Written by Gordon Matzigkeit, 1996 # # This file is free software; 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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 GNU Libtool; see the file COPYING. If not, a copy # can be downloaded from http://www.gnu.org/licenses/gpl.html, or # obtained by writing to the Free Software Foundation, Inc., # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. ]) # serial 57 LT_INIT # LT_PREREQ(VERSION) # ------------------ # Complain and exit if this libtool version is less that VERSION. m4_defun([LT_PREREQ], [m4_if(m4_version_compare(m4_defn([LT_PACKAGE_VERSION]), [$1]), -1, [m4_default([$3], [m4_fatal([Libtool version $1 or higher is required], 63)])], [$2])]) # _LT_CHECK_BUILDDIR # ------------------ # Complain if the absolute build directory name contains unusual characters m4_defun([_LT_CHECK_BUILDDIR], [case `pwd` in *\ * | *\ *) AC_MSG_WARN([Libtool does not cope well with whitespace in `pwd`]) ;; esac ]) # LT_INIT([OPTIONS]) # ------------------ AC_DEFUN([LT_INIT], [AC_PREREQ([2.58])dnl We use AC_INCLUDES_DEFAULT AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl AC_BEFORE([$0], [LT_LANG])dnl AC_BEFORE([$0], [LT_OUTPUT])dnl AC_BEFORE([$0], [LTDL_INIT])dnl m4_require([_LT_CHECK_BUILDDIR])dnl dnl Autoconf doesn't catch unexpanded LT_ macros by default: m4_pattern_forbid([^_?LT_[A-Z_]+$])dnl m4_pattern_allow([^(_LT_EOF|LT_DLGLOBAL|LT_DLLAZY_OR_NOW|LT_MULTI_MODULE)$])dnl dnl aclocal doesn't pull ltoptions.m4, ltsugar.m4, or ltversion.m4 dnl unless we require an AC_DEFUNed macro: AC_REQUIRE([LTOPTIONS_VERSION])dnl AC_REQUIRE([LTSUGAR_VERSION])dnl AC_REQUIRE([LTVERSION_VERSION])dnl AC_REQUIRE([LTOBSOLETE_VERSION])dnl m4_require([_LT_PROG_LTMAIN])dnl _LT_SHELL_INIT([SHELL=${CONFIG_SHELL-/bin/sh}]) dnl Parse OPTIONS _LT_SET_OPTIONS([$0], [$1]) # This can be used to rebuild libtool when needed LIBTOOL_DEPS="$ltmain" # Always use our own libtool. LIBTOOL='$(SHELL) $(top_builddir)/libtool' AC_SUBST(LIBTOOL)dnl _LT_SETUP # Only expand once: m4_define([LT_INIT]) ])# LT_INIT # Old names: AU_ALIAS([AC_PROG_LIBTOOL], [LT_INIT]) AU_ALIAS([AM_PROG_LIBTOOL], [LT_INIT]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_PROG_LIBTOOL], []) dnl AC_DEFUN([AM_PROG_LIBTOOL], []) # _LT_CC_BASENAME(CC) # ------------------- # Calculate cc_basename. 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#endif int fnord () { return 42; } int main () { void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); int status = $lt_dlunknown; if (self) { if (dlsym (self,"fnord")) status = $lt_dlno_uscore; else { if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; else puts (dlerror ()); } /* dlclose (self); */ } else puts (dlerror ()); return status; }] _LT_EOF if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext} 2>/dev/null; then (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null lt_status=$? case x$lt_status in x$lt_dlno_uscore) $1 ;; x$lt_dlneed_uscore) $2 ;; x$lt_dlunknown|x*) $3 ;; esac else : # compilation failed $3 fi fi rm -fr conftest* ])# _LT_TRY_DLOPEN_SELF # LT_SYS_DLOPEN_SELF # ------------------ AC_DEFUN([LT_SYS_DLOPEN_SELF], [m4_require([_LT_HEADER_DLFCN])dnl if test "x$enable_dlopen" != xyes; then enable_dlopen=unknown enable_dlopen_self=unknown enable_dlopen_self_static=unknown else lt_cv_dlopen=no lt_cv_dlopen_libs= case $host_os in beos*) lt_cv_dlopen="load_add_on" lt_cv_dlopen_libs= lt_cv_dlopen_self=yes ;; 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esac # HP-UX runs *really* slowly unless shared libraries are mode 555, ... postinstall_cmds='chmod 555 $lib' # or fails outright, so override atomically: install_override_mode=555 ;; interix[[3-9]]*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; irix5* | irix6* | nonstopux*) case $host_os in nonstopux*) version_type=nonstopux ;; *) if test "$lt_cv_prog_gnu_ld" = yes; then version_type=linux # correct to gnu/linux during the next big refactor else version_type=irix fi ;; esac need_lib_prefix=no need_version=no soname_spec='${libname}${release}${shared_ext}$major' library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}' case $host_os in irix5* | nonstopux*) libsuff= shlibsuff= ;; *) case $LD in # libtool.m4 will add one of these switches to LD *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= libmagic=32-bit;; *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 libmagic=N32;; *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 libmagic=64-bit;; *) libsuff= shlibsuff= libmagic=never-match;; esac ;; esac shlibpath_var=LD_LIBRARY${shlibsuff}_PATH shlibpath_overrides_runpath=no sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}" sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}" hardcode_into_libs=yes ;; # No shared lib support for Linux oldld, aout, or coff. linux*oldld* | linux*aout* | linux*coff*) dynamic_linker=no ;; # This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no # Some binutils ld are patched to set DT_RUNPATH AC_CACHE_VAL([lt_cv_shlibpath_overrides_runpath], [lt_cv_shlibpath_overrides_runpath=no save_LDFLAGS=$LDFLAGS save_libdir=$libdir eval "libdir=/foo; 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newsos6) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes ;; *nto* | *qnx*) version_type=qnx need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes dynamic_linker='ldqnx.so' ;; openbsd*) version_type=sunos sys_lib_dlsearch_path_spec="/usr/lib" need_lib_prefix=no # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs. case $host_os in openbsd3.3 | openbsd3.3.*) need_version=yes ;; *) need_version=no ;; esac library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' shlibpath_var=LD_LIBRARY_PATH if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; 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*) lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|PA-RISC[[0-9]]\.[[0-9]]) shared library' lt_cv_file_magic_test_file=/usr/lib/libc.sl ;; esac ;; interix[[3-9]]*) # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|\.a)$' ;; irix5* | irix6* | nonstopux*) case $LD in *-32|*"-32 ") libmagic=32-bit;; *-n32|*"-n32 ") libmagic=N32;; *-64|*"-64 ") libmagic=64-bit;; *) libmagic=never-match;; esac lt_cv_deplibs_check_method=pass_all ;; # This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) lt_cv_deplibs_check_method=pass_all ;; netbsd* | netbsdelf*-gnu) if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|_pic\.a)$' fi ;; newos6*) lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (executable|dynamic lib)' lt_cv_file_magic_cmd=/usr/bin/file lt_cv_file_magic_test_file=/usr/lib/libnls.so ;; *nto* | *qnx*) lt_cv_deplibs_check_method=pass_all ;; openbsd*) if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|\.so|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$' fi ;; osf3* | osf4* | osf5*) lt_cv_deplibs_check_method=pass_all ;; rdos*) lt_cv_deplibs_check_method=pass_all ;; solaris*) lt_cv_deplibs_check_method=pass_all ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) lt_cv_deplibs_check_method=pass_all ;; sysv4 | sysv4.3*) case $host_vendor in motorola) lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib) M[[0-9]][[0-9]]* Version [[0-9]]' lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` ;; ncr) lt_cv_deplibs_check_method=pass_all ;; sequent) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB (shared object|dynamic lib )' ;; sni) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method="file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB dynamic lib" lt_cv_file_magic_test_file=/lib/libc.so ;; siemens) lt_cv_deplibs_check_method=pass_all ;; pc) lt_cv_deplibs_check_method=pass_all ;; esac ;; tpf*) lt_cv_deplibs_check_method=pass_all ;; esac ]) file_magic_glob= want_nocaseglob=no if test "$build" = "$host"; then case $host_os in mingw* | pw32*) if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then want_nocaseglob=yes else file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[[\1]]\/[[\1]]\/g;/g"` fi ;; esac fi file_magic_cmd=$lt_cv_file_magic_cmd deplibs_check_method=$lt_cv_deplibs_check_method test -z "$deplibs_check_method" && deplibs_check_method=unknown _LT_DECL([], [deplibs_check_method], [1], [Method to check whether dependent libraries are shared objects]) _LT_DECL([], [file_magic_cmd], [1], [Command to use when deplibs_check_method = "file_magic"]) _LT_DECL([], [file_magic_glob], [1], [How to find potential files when deplibs_check_method = "file_magic"]) _LT_DECL([], [want_nocaseglob], [1], [Find potential files using nocaseglob when deplibs_check_method = "file_magic"]) ])# _LT_CHECK_MAGIC_METHOD # LT_PATH_NM # ---------- # find the pathname to a BSD- or MS-compatible name lister AC_DEFUN([LT_PATH_NM], [AC_REQUIRE([AC_PROG_CC])dnl AC_CACHE_CHECK([for BSD- or MS-compatible name lister (nm)], lt_cv_path_NM, [if test -n "$NM"; then # Let the user override the test. lt_cv_path_NM="$NM" else lt_nm_to_check="${ac_tool_prefix}nm" if test -n "$ac_tool_prefix" && test "$build" = "$host"; then lt_nm_to_check="$lt_nm_to_check nm" fi for lt_tmp_nm in $lt_nm_to_check; do lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do IFS="$lt_save_ifs" test -z "$ac_dir" && ac_dir=. tmp_nm="$ac_dir/$lt_tmp_nm" if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext" ; then # Check to see if the nm accepts a BSD-compat flag. # Adding the `sed 1q' prevents false positives on HP-UX, which says: # nm: unknown option "B" ignored # Tru64's nm complains that /dev/null is an invalid object file case `"$tmp_nm" -B /dev/null 2>&1 | sed '1q'` in */dev/null* | *'Invalid file or object type'*) lt_cv_path_NM="$tmp_nm -B" break ;; *) case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in */dev/null*) lt_cv_path_NM="$tmp_nm -p" break ;; *) lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but continue # so that we can try to find one that supports BSD flags ;; esac ;; esac fi done IFS="$lt_save_ifs" done : ${lt_cv_path_NM=no} fi]) if test "$lt_cv_path_NM" != "no"; then NM="$lt_cv_path_NM" else # Didn't find any BSD compatible name lister, look for dumpbin. if test -n "$DUMPBIN"; then : # Let the user override the test. else AC_CHECK_TOOLS(DUMPBIN, [dumpbin "link -dump"], :) case `$DUMPBIN -symbols /dev/null 2>&1 | sed '1q'` in *COFF*) DUMPBIN="$DUMPBIN -symbols" ;; *) DUMPBIN=: ;; esac fi AC_SUBST([DUMPBIN]) if test "$DUMPBIN" != ":"; then NM="$DUMPBIN" fi fi test -z "$NM" && NM=nm AC_SUBST([NM]) _LT_DECL([], [NM], [1], [A BSD- or MS-compatible name lister])dnl AC_CACHE_CHECK([the name lister ($NM) interface], [lt_cv_nm_interface], [lt_cv_nm_interface="BSD nm" echo "int some_variable = 0;" > conftest.$ac_ext (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&AS_MESSAGE_LOG_FD) (eval "$ac_compile" 2>conftest.err) cat conftest.err >&AS_MESSAGE_LOG_FD (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&AS_MESSAGE_LOG_FD) (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out) cat conftest.err >&AS_MESSAGE_LOG_FD (eval echo "\"\$as_me:$LINENO: output\"" >&AS_MESSAGE_LOG_FD) cat conftest.out >&AS_MESSAGE_LOG_FD if $GREP 'External.*some_variable' conftest.out > /dev/null; then lt_cv_nm_interface="MS dumpbin" fi rm -f conftest*]) ])# LT_PATH_NM # Old names: AU_ALIAS([AM_PROG_NM], [LT_PATH_NM]) AU_ALIAS([AC_PROG_NM], [LT_PATH_NM]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AM_PROG_NM], []) dnl AC_DEFUN([AC_PROG_NM], []) # _LT_CHECK_SHAREDLIB_FROM_LINKLIB # -------------------------------- # how to determine the name of the shared library # associated with a specific link library. # -- PORTME fill in with the dynamic library characteristics m4_defun([_LT_CHECK_SHAREDLIB_FROM_LINKLIB], [m4_require([_LT_DECL_EGREP]) m4_require([_LT_DECL_OBJDUMP]) m4_require([_LT_DECL_DLLTOOL]) AC_CACHE_CHECK([how to associate runtime and link libraries], lt_cv_sharedlib_from_linklib_cmd, [lt_cv_sharedlib_from_linklib_cmd='unknown' case $host_os in cygwin* | mingw* | pw32* | cegcc*) # two different shell functions defined in ltmain.sh # decide which to use based on capabilities of $DLLTOOL case `$DLLTOOL --help 2>&1` in *--identify-strict*) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib ;; *) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback ;; esac ;; *) # fallback: assume linklib IS sharedlib lt_cv_sharedlib_from_linklib_cmd="$ECHO" ;; esac ]) sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO _LT_DECL([], [sharedlib_from_linklib_cmd], [1], [Command to associate shared and link libraries]) ])# _LT_CHECK_SHAREDLIB_FROM_LINKLIB # _LT_PATH_MANIFEST_TOOL # ---------------------- # locate the manifest tool m4_defun([_LT_PATH_MANIFEST_TOOL], [AC_CHECK_TOOL(MANIFEST_TOOL, mt, :) test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt AC_CACHE_CHECK([if $MANIFEST_TOOL is a manifest tool], [lt_cv_path_mainfest_tool], [lt_cv_path_mainfest_tool=no echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&AS_MESSAGE_LOG_FD $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out cat conftest.err >&AS_MESSAGE_LOG_FD if $GREP 'Manifest Tool' conftest.out > /dev/null; then lt_cv_path_mainfest_tool=yes fi rm -f conftest*]) if test "x$lt_cv_path_mainfest_tool" != xyes; then MANIFEST_TOOL=: fi _LT_DECL([], [MANIFEST_TOOL], [1], [Manifest tool])dnl ])# _LT_PATH_MANIFEST_TOOL # LT_LIB_M # -------- # check for math library AC_DEFUN([LT_LIB_M], [AC_REQUIRE([AC_CANONICAL_HOST])dnl LIBM= case $host in *-*-beos* | *-*-cegcc* | *-*-cygwin* | *-*-haiku* | *-*-pw32* | *-*-darwin*) # These system don't have libm, or don't need it ;; *-ncr-sysv4.3*) AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw") AC_CHECK_LIB(m, cos, LIBM="$LIBM -lm") ;; *) AC_CHECK_LIB(m, cos, LIBM="-lm") ;; esac AC_SUBST([LIBM]) ])# LT_LIB_M # Old name: AU_ALIAS([AC_CHECK_LIBM], [LT_LIB_M]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_CHECK_LIBM], []) # _LT_COMPILER_NO_RTTI([TAGNAME]) # ------------------------------- m4_defun([_LT_COMPILER_NO_RTTI], [m4_require([_LT_TAG_COMPILER])dnl _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)= if test "$GCC" = yes; then case $cc_basename in nvcc*) _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -Xcompiler -fno-builtin' ;; *) _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin' ;; esac _LT_COMPILER_OPTION([if $compiler supports -fno-rtti -fno-exceptions], lt_cv_prog_compiler_rtti_exceptions, [-fno-rtti -fno-exceptions], [], [_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)="$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) -fno-rtti -fno-exceptions"]) fi _LT_TAGDECL([no_builtin_flag], [lt_prog_compiler_no_builtin_flag], [1], [Compiler flag to turn off builtin functions]) ])# _LT_COMPILER_NO_RTTI # _LT_CMD_GLOBAL_SYMBOLS # ---------------------- m4_defun([_LT_CMD_GLOBAL_SYMBOLS], [AC_REQUIRE([AC_CANONICAL_HOST])dnl AC_REQUIRE([AC_PROG_CC])dnl AC_REQUIRE([AC_PROG_AWK])dnl AC_REQUIRE([LT_PATH_NM])dnl AC_REQUIRE([LT_PATH_LD])dnl m4_require([_LT_DECL_SED])dnl m4_require([_LT_DECL_EGREP])dnl m4_require([_LT_TAG_COMPILER])dnl # Check for command to grab the raw symbol name followed by C symbol from nm. AC_MSG_CHECKING([command to parse $NM output from $compiler object]) AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe], [ # These are sane defaults that work on at least a few old systems. # [They come from Ultrix. What could be older than Ultrix?!! ;)] # Character class describing NM global symbol codes. symcode='[[BCDEGRST]]' # Regexp to match symbols that can be accessed directly from C. sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)' # Define system-specific variables. case $host_os in aix*) symcode='[[BCDT]]' ;; cygwin* | mingw* | pw32* | cegcc*) symcode='[[ABCDGISTW]]' ;; hpux*) if test "$host_cpu" = ia64; then symcode='[[ABCDEGRST]]' fi ;; irix* | nonstopux*) symcode='[[BCDEGRST]]' ;; osf*) symcode='[[BCDEGQRST]]' ;; solaris*) symcode='[[BDRT]]' ;; sco3.2v5*) symcode='[[DT]]' ;; sysv4.2uw2*) symcode='[[DT]]' ;; sysv5* | sco5v6* | unixware* | OpenUNIX*) symcode='[[ABDT]]' ;; sysv4) symcode='[[DFNSTU]]' ;; esac # If we're using GNU nm, then use its standard symbol codes. case `$NM -V 2>&1` in *GNU* | *'with BFD'*) symcode='[[ABCDGIRSTW]]' ;; esac # Transform an extracted symbol line into a proper C declaration. # Some systems (esp. on ia64) link data and code symbols differently, # so use this general approach. lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'" # Transform an extracted symbol line into symbol name and symbol address lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\)[[ ]]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/ {\"\2\", (void *) \&\2},/p'" lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n -e 's/^: \([[^ ]]*\)[[ ]]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \(lib[[^ ]]*\)$/ {\"\2\", (void *) \&\2},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/ {\"lib\2\", (void *) \&\2},/p'" # Handle CRLF in mingw tool chain opt_cr= case $build_os in mingw*) opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp ;; esac # Try without a prefix underscore, then with it. for ac_symprfx in "" "_"; do # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. symxfrm="\\1 $ac_symprfx\\2 \\2" # Write the raw and C identifiers. if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Fake it for dumpbin and say T for any non-static function # and D for any global variable. # Also find C++ and __fastcall symbols from MSVC++, # which start with @ or ?. lt_cv_sys_global_symbol_pipe="$AWK ['"\ " {last_section=section; section=\$ 3};"\ " /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ " /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ " \$ 0!~/External *\|/{next};"\ " / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ " {if(hide[section]) next};"\ " {f=0}; \$ 0~/\(\).*\|/{f=1}; {printf f ? \"T \" : \"D \"};"\ " {split(\$ 0, a, /\||\r/); split(a[2], s)};"\ " s[1]~/^[@?]/{print s[1], s[1]; next};"\ " s[1]~prfx {split(s[1],t,\"@\"); print t[1], substr(t[1],length(prfx))}"\ " ' prfx=^$ac_symprfx]" else lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[[ ]]\($symcode$symcode*\)[[ ]][[ ]]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" fi lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'" # Check to see that the pipe works correctly. pipe_works=no rm -f conftest* cat > conftest.$ac_ext <<_LT_EOF #ifdef __cplusplus extern "C" { #endif char nm_test_var; void nm_test_func(void); void nm_test_func(void){} #ifdef __cplusplus } #endif int main(){nm_test_var='a';nm_test_func();return(0);} _LT_EOF if AC_TRY_EVAL(ac_compile); then # Now try to grab the symbols. nlist=conftest.nm if AC_TRY_EVAL(NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) && test -s "$nlist"; then # Try sorting and uniquifying the output. if sort "$nlist" | uniq > "$nlist"T; then mv -f "$nlist"T "$nlist" else rm -f "$nlist"T fi # Make sure that we snagged all the symbols we need. if $GREP ' nm_test_var$' "$nlist" >/dev/null; then if $GREP ' nm_test_func$' "$nlist" >/dev/null; then cat <<_LT_EOF > conftest.$ac_ext /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE) /* DATA imports from DLLs on WIN32 con't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT@&t@_DLSYM_CONST #elif defined(__osf__) /* This system does not cope well with relocations in const data. */ # define LT@&t@_DLSYM_CONST #else # define LT@&t@_DLSYM_CONST const #endif #ifdef __cplusplus extern "C" { #endif _LT_EOF # Now generate the symbol file. eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' cat <<_LT_EOF >> conftest.$ac_ext /* The mapping between symbol names and symbols. */ LT@&t@_DLSYM_CONST struct { const char *name; void *address; } lt__PROGRAM__LTX_preloaded_symbols[[]] = { { "@PROGRAM@", (void *) 0 }, _LT_EOF $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/ {\"\2\", (void *) \&\2},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext cat <<\_LT_EOF >> conftest.$ac_ext {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt__PROGRAM__LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif _LT_EOF # Now try linking the two files. mv conftest.$ac_objext conftstm.$ac_objext lt_globsym_save_LIBS=$LIBS lt_globsym_save_CFLAGS=$CFLAGS LIBS="conftstm.$ac_objext" CFLAGS="$CFLAGS$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)" if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext}; then pipe_works=yes fi LIBS=$lt_globsym_save_LIBS CFLAGS=$lt_globsym_save_CFLAGS else echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD fi else echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD fi else echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD fi else echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD cat conftest.$ac_ext >&5 fi rm -rf conftest* conftst* # Do not use the global_symbol_pipe unless it works. if test "$pipe_works" = yes; then break else lt_cv_sys_global_symbol_pipe= fi done ]) if test -z "$lt_cv_sys_global_symbol_pipe"; then lt_cv_sys_global_symbol_to_cdecl= fi if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then AC_MSG_RESULT(failed) else AC_MSG_RESULT(ok) fi # Response file support. if test "$lt_cv_nm_interface" = "MS dumpbin"; then nm_file_list_spec='@' elif $NM --help 2>/dev/null | grep '[[@]]FILE' >/dev/null; then nm_file_list_spec='@' fi _LT_DECL([global_symbol_pipe], [lt_cv_sys_global_symbol_pipe], [1], [Take the output of nm and produce a listing of raw symbols and C names]) _LT_DECL([global_symbol_to_cdecl], [lt_cv_sys_global_symbol_to_cdecl], [1], [Transform the output of nm in a proper C declaration]) _LT_DECL([global_symbol_to_c_name_address], [lt_cv_sys_global_symbol_to_c_name_address], [1], [Transform the output of nm in a C name address pair]) _LT_DECL([global_symbol_to_c_name_address_lib_prefix], [lt_cv_sys_global_symbol_to_c_name_address_lib_prefix], [1], [Transform the output of nm in a C name address pair when lib prefix is needed]) _LT_DECL([], [nm_file_list_spec], [1], [Specify filename containing input files for $NM]) ]) # _LT_CMD_GLOBAL_SYMBOLS # _LT_COMPILER_PIC([TAGNAME]) # --------------------------- m4_defun([_LT_COMPILER_PIC], [m4_require([_LT_TAG_COMPILER])dnl _LT_TAGVAR(lt_prog_compiler_wl, $1)= _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)= m4_if([$1], [CXX], [ # C++ specific cases for pic, static, wl, etc. if test "$GXX" = yes; then _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' case $host_os in aix*) # All AIX code is PIC. if test "$host_cpu" = ia64; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; m68k) # FIXME: we need at least 68020 code to build shared libraries, but # adding the `-m68020' flag to GCC prevents building anything better, # like `-m68040'. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' ;; esac ;; beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; mingw* | cygwin* | os2* | pw32* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). # Although the cygwin gcc ignores -fPIC, still need this for old-style # (--disable-auto-import) libraries m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' ;; *djgpp*) # DJGPP does not support shared libraries at all _LT_TAGVAR(lt_prog_compiler_pic, $1)= ;; haiku*) # PIC is the default for Haiku. # The "-static" flag exists, but is broken. _LT_TAGVAR(lt_prog_compiler_static, $1)= ;; interix[[3-9]]*) # Interix 3.x gcc -fpic/-fPIC options generate broken code. # Instead, we relocate shared libraries at runtime. ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic fi ;; hpux*) # PIC is the default for 64-bit PA HP-UX, but not for 32-bit # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag # sets the default TLS model and affects inlining. case $host_cpu in hppa*64*) ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac ;; *qnx* | *nto*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac else case $host_os in aix[[4-9]]*) # All AIX code is PIC. if test "$host_cpu" = ia64; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' else _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' fi ;; chorus*) case $cc_basename in cxch68*) # Green Hills C++ Compiler # _LT_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a" ;; esac ;; mingw* | cygwin* | os2* | pw32* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; dgux*) case $cc_basename in ec++*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' ;; ghcx*) # Green Hills C++ Compiler _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; *) ;; esac ;; freebsd* | dragonfly*) # FreeBSD uses GNU C++ ;; hpux9* | hpux10* | hpux11*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive' if test "$host_cpu" != ia64; then _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' fi ;; aCC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive' case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' ;; esac ;; *) ;; esac ;; interix*) # This is c89, which is MS Visual C++ (no shared libs) # Anyone wants to do a port? ;; irix5* | irix6* | nonstopux*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' # CC pic flag -KPIC is the default. ;; *) ;; esac ;; linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) case $cc_basename in KCC*) # KAI C++ Compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; ecpc* ) # old Intel C++ for x86_64 which still supported -KPIC. _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; icpc* ) # Intel C++, used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; pgCC* | pgcpp*) # Portland Group C++ compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; cxx*) # Compaq C++ # Make sure the PIC flag is empty. It appears that all Alpha # Linux and Compaq Tru64 Unix objects are PIC. _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; xlc* | xlC* | bgxl[[cC]]* | mpixl[[cC]]*) # IBM XL 8.0, 9.0 on PPC and BlueGene _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' ;; *) case `$CC -V 2>&1 | sed 5q` in *Sun\ C*) # Sun C++ 5.9 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; esac ;; esac ;; lynxos*) ;; m88k*) ;; mvs*) case $cc_basename in cxx*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall' ;; *) ;; esac ;; netbsd* | netbsdelf*-gnu) ;; *qnx* | *nto*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; osf3* | osf4* | osf5*) case $cc_basename in KCC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' ;; RCC*) # Rational C++ 2.4.1 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; cxx*) # Digital/Compaq C++ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # Make sure the PIC flag is empty. It appears that all Alpha # Linux and Compaq Tru64 Unix objects are PIC. _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; *) ;; esac ;; psos*) ;; solaris*) case $cc_basename in CC* | sunCC*) # Sun C++ 4.2, 5.x and Centerline C++ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; gcx*) # Green Hills C++ Compiler _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' ;; *) ;; esac ;; sunos4*) case $cc_basename in CC*) # Sun C++ 4.x _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; lcc*) # Lucid _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; *) ;; esac ;; sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; esac ;; tandem*) case $cc_basename in NCC*) # NonStop-UX NCC 3.20 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' ;; *) ;; esac ;; vxworks*) ;; *) _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; esac fi ], [ if test "$GCC" = yes; then _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' case $host_os in aix*) # All AIX code is PIC. if test "$host_cpu" = ia64; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; m68k) # FIXME: we need at least 68020 code to build shared libraries, but # adding the `-m68020' flag to GCC prevents building anything better, # like `-m68040'. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' ;; esac ;; beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; mingw* | cygwin* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). # Although the cygwin gcc ignores -fPIC, still need this for old-style # (--disable-auto-import) libraries m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' ;; haiku*) # PIC is the default for Haiku. # The "-static" flag exists, but is broken. _LT_TAGVAR(lt_prog_compiler_static, $1)= ;; hpux*) # PIC is the default for 64-bit PA HP-UX, but not for 32-bit # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag # sets the default TLS model and affects inlining. case $host_cpu in hppa*64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac ;; interix[[3-9]]*) # Interix 3.x gcc -fpic/-fPIC options generate broken code. # Instead, we relocate shared libraries at runtime. ;; msdosdjgpp*) # Just because we use GCC doesn't mean we suddenly get shared libraries # on systems that don't support them. _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no enable_shared=no ;; *nto* | *qnx*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic fi ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac case $cc_basename in nvcc*) # Cuda Compiler Driver 2.2 _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Xlinker ' if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then _LT_TAGVAR(lt_prog_compiler_pic, $1)="-Xcompiler $_LT_TAGVAR(lt_prog_compiler_pic, $1)" fi ;; esac else # PORTME Check for flag to pass linker flags through the system compiler. case $host_os in aix*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' if test "$host_cpu" = ia64; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' else _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' fi ;; mingw* | cygwin* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; hpux9* | hpux10* | hpux11*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but # not for PA HP-UX. case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' ;; esac # Is there a better lt_prog_compiler_static that works with the bundled CC? _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive' ;; irix5* | irix6* | nonstopux*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # PIC (with -KPIC) is the default. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) case $cc_basename in # old Intel for x86_64 which still supported -KPIC. ecc*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # icc used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. icc* | ifort*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # Lahey Fortran 8.1. lf95*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='--shared' _LT_TAGVAR(lt_prog_compiler_static, $1)='--static' ;; nagfor*) # NAG Fortran compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*) # Portland Group compilers (*not* the Pentium gcc compiler, # which looks to be a dead project) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; ccc*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # All Alpha code is PIC. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; xl* | bgxl* | bgf* | mpixl*) # IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' ;; *) case `$CC -V 2>&1 | sed 5q` in *Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [[1-7]].* | *Sun*Fortran*\ 8.[[0-3]]*) # Sun Fortran 8.3 passes all unrecognized flags to the linker _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='' ;; *Sun\ F* | *Sun*Fortran*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; *Sun\ C*) # Sun C 5.9 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' ;; *Intel*\ [[CF]]*Compiler*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; *Portland\ Group*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; esac ;; esac ;; newsos6) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; *nto* | *qnx*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; osf3* | osf4* | osf5*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # All OSF/1 code is PIC. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; rdos*) _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; solaris*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' case $cc_basename in f77* | f90* | f95* | sunf77* | sunf90* | sunf95*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ';; *) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,';; esac ;; sunos4*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; sysv4 | sysv4.2uw2* | sysv4.3*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; sysv4*MP*) if test -d /usr/nec ;then _LT_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi ;; sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; unicos*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; uts4*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; *) _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; esac fi ]) case $host_os in # For platforms which do not support PIC, -DPIC is meaningless: *djgpp*) _LT_TAGVAR(lt_prog_compiler_pic, $1)= ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])" ;; esac AC_CACHE_CHECK([for $compiler option to produce PIC], [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)], [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_prog_compiler_pic, $1)]) _LT_TAGVAR(lt_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_cv_prog_compiler_pic, $1) # # Check to make sure the PIC flag actually works. # if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then _LT_COMPILER_OPTION([if $compiler PIC flag $_LT_TAGVAR(lt_prog_compiler_pic, $1) works], [_LT_TAGVAR(lt_cv_prog_compiler_pic_works, $1)], [$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])], [], [case $_LT_TAGVAR(lt_prog_compiler_pic, $1) in "" | " "*) ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)=" $_LT_TAGVAR(lt_prog_compiler_pic, $1)" ;; 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(KAI) C++ Compiler # KCC will only create a shared library if the output file # ends with ".so" (or ".sl" for HP-UX), so rename the library # to its proper name (with version) after linking. _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib ${wl}-retain-symbols-file,$export_symbols; mv \$templib $lib' # Commands to make compiler produce verbose output that lists # what "hidden" libraries, object files and flags are used when # linking a shared library. # # There doesn't appear to be a way to prevent this compiler from # explicitly linking system object files so we need to strip them # from the output so that they don't get included in the library # dependencies. output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 | $GREP "ld"`; rm -f libconftest$shared_ext; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' # Archives containing C++ object files must be created using # "CC -Bstatic", where "CC" is the KAI C++ compiler. _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs' ;; icpc* | ecpc* ) # Intel C++ with_gnu_ld=yes # version 8.0 and above of icpc choke on multiply defined symbols # if we add $predep_objects and $postdep_objects, however 7.1 and # earlier do not add the objects themselves. case `$CC -V 2>&1` in *"Version 7."*) _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' ;; *) # Version 8.0 or newer tmp_idyn= case $host_cpu in ia64*) tmp_idyn=' -i_dynamic';; esac _LT_TAGVAR(archive_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' ;; esac _LT_TAGVAR(archive_cmds_need_lc, $1)=no _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive$convenience ${wl}--no-whole-archive' ;; pgCC* | pgcpp*) # Portland Group C++ compiler case `$CC -V` in *pgCC\ [[1-5]].* | *pgcpp\ [[1-5]].*) _LT_TAGVAR(prelink_cmds, $1)='tpldir=Template.dir~ rm -rf $tpldir~ $CC --prelink_objects --instantiation_dir $tpldir $objs $libobjs $compile_deplibs~ compile_command="$compile_command `find $tpldir -name \*.o | sort | $NL2SP`"' _LT_TAGVAR(old_archive_cmds, $1)='tpldir=Template.dir~ rm -rf $tpldir~ $CC --prelink_objects --instantiation_dir $tpldir $oldobjs$old_deplibs~ $AR $AR_FLAGS $oldlib$oldobjs$old_deplibs `find $tpldir -name \*.o | sort | $NL2SP`~ $RANLIB $oldlib' _LT_TAGVAR(archive_cmds, $1)='tpldir=Template.dir~ rm -rf $tpldir~ $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~ $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='tpldir=Template.dir~ rm -rf $tpldir~ $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~ $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib' ;; *) # Version 6 and above use weak symbols _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib' ;; esac _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}--rpath ${wl}$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' ;; cxx*) # Compaq C++ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib ${wl}-retain-symbols-file $wl$export_symbols' runpath_var=LD_RUN_PATH _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' _LT_TAGVAR(hardcode_libdir_separator, $1)=: # Commands to make compiler produce verbose output that lists # what "hidden" libraries, object files and flags are used when # linking a shared library. # # There doesn't appear to be a way to prevent this compiler from # explicitly linking system object files so we need to strip them # from the output so that they don't get included in the library # dependencies. output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld .*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "X$list" | $Xsed' ;; xl* | mpixl* | bgxl*) # IBM XL 8.0 on PPC, with GNU ld _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' _LT_TAGVAR(archive_cmds, $1)='$CC -qmkshrobj $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' if test "x$supports_anon_versioning" = xyes; then _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~ cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ echo "local: *; };" >> $output_objdir/$libname.ver~ $CC -qmkshrobj $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib' fi ;; *) case `$CC -V 2>&1 | sed 5q` in *Sun\ C*) # Sun C++ 5.9 _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs' _LT_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file ${wl}$export_symbols' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' _LT_TAGVAR(compiler_needs_object, $1)=yes # Not sure whether something based on # $CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 # would be better. output_verbose_link_cmd='func_echo_all' # Archives containing C++ object files must be created using # "CC -xar", where "CC" is the Sun C++ compiler. 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*) _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done~ echo "-hidden">> $lib.exp~ $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname ${wl}-input ${wl}$lib.exp `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib~ $RM $lib.exp' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' ;; esac _LT_TAGVAR(hardcode_libdir_separator, $1)=: # Commands to make compiler produce verbose output that lists # what "hidden" libraries, object files and flags are used when # linking a shared library. # # There doesn't appear to be a way to prevent this compiler from # explicitly linking system object files so we need to strip them # from the output so that they don't get included in the library # dependencies. output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld" | $GREP -v "ld:"`; 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|| _lt_function_replace_fail=: else # Save a `func_append' function call even when '+=' is not available sed -e 's%func_append \([[a-zA-Z_]]\{1,\}\) "%\1="$\1%g' $cfgfile > $cfgfile.tmp \ && mv -f "$cfgfile.tmp" "$cfgfile" \ || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") test 0 -eq $? || _lt_function_replace_fail=: fi if test x"$_lt_function_replace_fail" = x":"; then AC_MSG_WARN([Unable to substitute extended shell functions in $ofile]) fi ]) # _LT_PATH_CONVERSION_FUNCTIONS # ----------------------------- # Determine which file name conversion functions should be used by # func_to_host_file (and, implicitly, by func_to_host_path). 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Vaughan, 2004 # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # serial 7 ltoptions.m4 # This is to help aclocal find these macros, as it can't see m4_define. AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])]) # _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME) # ------------------------------------------ m4_define([_LT_MANGLE_OPTION], [[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])]) # _LT_SET_OPTION(MACRO-NAME, OPTION-NAME) # --------------------------------------- # Set option OPTION-NAME for macro MACRO-NAME, and if there is a # matching handler defined, dispatch to it. Other OPTION-NAMEs are # saved as a flag. m4_define([_LT_SET_OPTION], [m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]), _LT_MANGLE_DEFUN([$1], [$2]), [m4_warning([Unknown $1 option `$2'])])[]dnl ]) # _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET]) # ------------------------------------------------------------ # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise. m4_define([_LT_IF_OPTION], [m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])]) # _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET) # ------------------------------------------------------- # Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME # are set. m4_define([_LT_UNLESS_OPTIONS], [m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), [m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option), [m4_define([$0_found])])])[]dnl m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3 ])[]dnl ]) # _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST) # ---------------------------------------- # OPTION-LIST is a space-separated list of Libtool options associated # with MACRO-NAME. If any OPTION has a matching handler declared with # LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about # the unknown option and exit. m4_defun([_LT_SET_OPTIONS], [# Set options m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), [_LT_SET_OPTION([$1], _LT_Option)]) m4_if([$1],[LT_INIT],[ dnl dnl Simply set some default values (i.e off) if boolean options were not dnl specified: _LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no ]) _LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no ]) dnl dnl If no reference was made to various pairs of opposing options, then dnl we run the default mode handler for the pair. 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LT_OPTION_DEFINE([LT_INIT], [win32-dll], [enable_win32_dll=yes case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc*) AC_CHECK_TOOL(AS, as, false) AC_CHECK_TOOL(DLLTOOL, dlltool, false) AC_CHECK_TOOL(OBJDUMP, objdump, false) ;; esac test -z "$AS" && AS=as _LT_DECL([], [AS], [1], [Assembler program])dnl test -z "$DLLTOOL" && DLLTOOL=dlltool _LT_DECL([], [DLLTOOL], [1], [DLL creation program])dnl test -z "$OBJDUMP" && OBJDUMP=objdump _LT_DECL([], [OBJDUMP], [1], [Object dumper program])dnl ])# win32-dll AU_DEFUN([AC_LIBTOOL_WIN32_DLL], [AC_REQUIRE([AC_CANONICAL_HOST])dnl _LT_SET_OPTION([LT_INIT], [win32-dll]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the `win32-dll' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_WIN32_DLL], []) # _LT_ENABLE_SHARED([DEFAULT]) # ---------------------------- # implement the --enable-shared flag, and supports the `shared' and # `disable-shared' LT_INIT options. # DEFAULT is either `yes' or `no'. 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Vaughan, 2004 # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # serial 6 ltsugar.m4 # This is to help aclocal find these macros, as it can't see m4_define. AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) # lt_join(SEP, ARG1, [ARG2...]) # ----------------------------- # Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their # associated separator. # Needed until we can rely on m4_join from Autoconf 2.62, since all earlier # versions in m4sugar had bugs. m4_define([lt_join], [m4_if([$#], [1], [], [$#], [2], [[$2]], [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) m4_define([_lt_join], [m4_if([$#$2], [2], [], [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) # lt_car(LIST) # lt_cdr(LIST) # ------------ # Manipulate m4 lists. # These macros are necessary as long as will still need to support # Autoconf-2.59 which quotes differently. m4_define([lt_car], [[$1]]) m4_define([lt_cdr], [m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], [$#], 1, [], [m4_dquote(m4_shift($@))])]) m4_define([lt_unquote], $1) # lt_append(MACRO-NAME, STRING, [SEPARATOR]) # ------------------------------------------ # Redefine MACRO-NAME to hold its former content plus `SEPARATOR'`STRING'. # Note that neither SEPARATOR nor STRING are expanded; they are appended # to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). # No SEPARATOR is output if MACRO-NAME was previously undefined (different # than defined and empty). # # This macro is needed until we can rely on Autoconf 2.62, since earlier # versions of m4sugar mistakenly expanded SEPARATOR but not STRING. m4_define([lt_append], [m4_define([$1], m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) # lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) # ---------------------------------------------------------- # Produce a SEP delimited list of all paired combinations of elements of # PREFIX-LIST with SUFFIX1 through SUFFIXn. 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an existing object. .SH SUBSYS By the time this manpage has been written, the supported subsystem are .B timeout .TP .BI "timeout " The timeout subsystem allows you to define fine-grain timeout policies. .TP .BI "helper " The helper subsystem allows you to configure userspace helpers. .TP .BI "version " Displays the version information. .TP .BI "help " Displays the help message. .SH EXAMPLE .TP .B nfct add timeout test-tcp inet tcp established 100 close 10 close_wait 10 .TP This creates a timeout policy for tcp using 100 seconds for the ESTABLISHED state, 10 seconds for CLOSE state and 10 seconds for the CLOSE_WAIT state. .TP Then, you can attach the timeout policy with the iptables CT target: .TP .B iptables -I PREROUTING -t raw -p tcp -j CT --timeout test-tcp .TP .B iptables -I OUTPUT -t raw -p tcp -j CT --timeout test-tcp .TP You can test that the timeout policy with: .TP .B conntrack -E -p tcp .TP It should display: .TP .B [UPDATE] tcp 6 100 ESTABLISHED src=192.168.39.100 dst=57.126.1.20 sport=56463 dport=80 src=57.126.1.20 dst=192.168.39.100 sport=80 dport=56463 [ASSURED] .SH SEE ALSO .BR iptables (8), conntrack (8) .SH BUGS Please, report them to netfilter-devel@vger.kernel.org or file a bug in Netfilter's bugzilla (https://bugzilla.netfilter.org). .SH AUTHORS Pablo Neira Ayuso wrote and maintains the nfct tool. .PP Man page written by Pablo Neira Ayuso . conntrack-1.4.3/src/000077500000000000000000000000001257407526400143045ustar00rootroot00000000000000conntrack-1.4.3/src/Makefile.am000066400000000000000000000042701257407526400163430ustar00rootroot00000000000000include $(top_srcdir)/Make_global.am if HAVE_CTHELPER SUBDIRS = helpers endif AM_YFLAGS = -d CLEANFILES = read_config_yy.c read_config_lex.c sbin_PROGRAMS = conntrack conntrackd nfct conntrack_SOURCES = conntrack.c conntrack_LDADD = ../extensions/libct_proto_tcp.la ../extensions/libct_proto_udp.la ../extensions/libct_proto_udplite.la ../extensions/libct_proto_icmp.la 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ctags ctags-recursive distclean \ distclean-compile distclean-generic distclean-libtool \ distclean-tags distdir dvi dvi-am html html-am info info-am \ install install-am install-data install-data-am install-dvi \ install-dvi-am install-exec install-exec-am install-html \ install-html-am install-info install-info-am install-man \ install-pdf install-pdf-am install-ps install-ps-am \ install-sbinPROGRAMS install-strip installcheck \ installcheck-am installdirs installdirs-am maintainer-clean \ maintainer-clean-generic mostlyclean mostlyclean-compile \ mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \ tags tags-recursive uninstall uninstall-am \ uninstall-sbinPROGRAMS # yacc and lex generate dirty code read_config_yy.o read_config_lex.o: AM_CFLAGS += -Wno-missing-prototypes -Wno-missing-declarations -Wno-implicit-function-declaration -Wno-nested-externs -Wno-undef -Wno-redundant-decls # Tell versions [3.59,3.63) of GNU make to not export all variables. # Otherwise a system limit (for SysV at least) may be exceeded. .NOEXPORT: conntrack-1.4.3/src/alarm.c000066400000000000000000000067701257407526400155560ustar00rootroot00000000000000/* * (C) 2006-2008 by Pablo Neira Ayuso * * 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "alarm.h" #include "date.h" #include #include static struct rb_root alarm_root = RB_ROOT; void init_alarm(struct alarm_block *t, void *data, void (*fcn)(struct alarm_block *a, void *data)) { /* initialize the head to check whether a node is inserted */ RB_CLEAR_NODE(&t->node); timerclear(&t->tv); t->data = data; t->function = fcn; } static void __add_alarm(struct alarm_block *alarm) { struct rb_node **new = &(alarm_root.rb_node); struct rb_node *parent = NULL; while (*new) { struct alarm_block *this; this = container_of(*new, struct alarm_block, node); parent = *new; if (timercmp(&alarm->tv, &this->tv, <)) new = &((*new)->rb_left); else new = &((*new)->rb_right); } rb_link_node(&alarm->node, parent, new); rb_insert_color(&alarm->node, &alarm_root); } void add_alarm(struct alarm_block *alarm, unsigned long sc, unsigned long usc) { struct timeval tv; del_alarm(alarm); alarm->tv.tv_sec = sc; alarm->tv.tv_usec = usc; gettimeofday_cached(&tv); timeradd(&alarm->tv, &tv, &alarm->tv); __add_alarm(alarm); } void del_alarm(struct alarm_block *alarm) { /* don't remove a non-inserted node */ if (!RB_EMPTY_NODE(&alarm->node)) { rb_erase(&alarm->node, &alarm_root); RB_CLEAR_NODE(&alarm->node); } } int alarm_pending(struct alarm_block *alarm) { if (RB_EMPTY_NODE(&alarm->node)) return 0; return 1; } static struct timeval * calculate_next_run(struct timeval *cand, struct timeval *tv, struct timeval *next_run) { if (cand->tv_sec != LONG_MAX) { if (timercmp(cand, tv, >)) timersub(cand, tv, next_run); else { /* loop again inmediately */ next_run->tv_sec = 0; next_run->tv_usec = 0; } return next_run; } return NULL; } struct timeval * get_next_alarm_run(struct timeval *next_run) { struct rb_node *node; struct timeval tv; gettimeofday_cached(&tv); node = rb_first(&alarm_root); if (node) { struct alarm_block *this; this = container_of(node, struct alarm_block, node); return calculate_next_run(&this->tv, &tv, next_run); } return NULL; } struct timeval * do_alarm_run(struct timeval *next_run) { struct list_head alarm_run_queue; struct rb_node *node; struct alarm_block *this, *tmp; struct timeval tv; gettimeofday_cached(&tv); INIT_LIST_HEAD(&alarm_run_queue); for (node = rb_first(&alarm_root); node; node = rb_next(node)) { this = container_of(node, struct alarm_block, node); if (timercmp(&this->tv, &tv, >)) break; list_add(&this->list, &alarm_run_queue); } /* must be safe as entries can vanish from the callback */ list_for_each_entry_safe(this, tmp, &alarm_run_queue, list) { rb_erase(&this->node, &alarm_root); RB_CLEAR_NODE(&this->node); this->function(this, this->data); } return get_next_alarm_run(next_run); } conntrack-1.4.3/src/build.c000066400000000000000000000320611257407526400155510ustar00rootroot00000000000000/* * (C) 2006-2011 by Pablo Neira Ayuso * (C) 2011 by Vyatta 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include #include #include "network.h" #include "conntrackd.h" static inline void * put_header(struct nethdr *n, int attr, size_t len) { struct netattr *nta = NETHDR_TAIL(n); int total_size = NTA_ALIGN(NTA_LENGTH(len)); int attr_size = NTA_LENGTH(len); n->len += total_size; nta->nta_attr = htons(attr); nta->nta_len = htons(attr_size); memset((unsigned char *)nta + attr_size, 0, total_size - attr_size); return NTA_DATA(nta); } static inline void addattr(struct nethdr *n, int attr, const void *data, size_t len) { void *ptr = put_header(n, attr, len); memcpy(ptr, data, len); } static inline void ct_build_u8(const struct nf_conntrack *ct, int a, struct nethdr *n, int b) { void *ptr = put_header(n, b, sizeof(uint8_t)); memcpy(ptr, nfct_get_attr(ct, a), sizeof(uint8_t)); } static inline void ct_build_u16(const struct nf_conntrack *ct, int a, struct nethdr *n, int b) { uint16_t data = nfct_get_attr_u16(ct, a); data = htons(data); addattr(n, b, &data, sizeof(uint16_t)); } static inline void ct_build_u32(const struct nf_conntrack *ct, int a, struct nethdr *n, int b) { uint32_t data = nfct_get_attr_u32(ct, a); data = htonl(data); addattr(n, b, &data, sizeof(uint32_t)); } static inline void ct_build_str(const struct nf_conntrack *ct, int a, struct nethdr *n, int b) { const char *data = nfct_get_attr(ct, a); addattr(n, b, data, strlen(data)+1); } static inline void ct_build_group(const struct nf_conntrack *ct, int a, struct nethdr *n, int b, int size) { void *ptr = put_header(n, b, size); nfct_get_attr_grp(ct, a, ptr); } static inline void ct_build_natseqadj(const struct nf_conntrack *ct, struct nethdr *n) { struct nta_attr_natseqadj data = { .orig_seq_correction_pos = htonl(nfct_get_attr_u32(ct, ATTR_ORIG_NAT_SEQ_CORRECTION_POS)), .orig_seq_offset_before = htonl(nfct_get_attr_u32(ct, ATTR_ORIG_NAT_SEQ_OFFSET_BEFORE)), .orig_seq_offset_after = htonl(nfct_get_attr_u32(ct, ATTR_ORIG_NAT_SEQ_OFFSET_AFTER)), .repl_seq_correction_pos = htonl(nfct_get_attr_u32(ct, ATTR_REPL_NAT_SEQ_CORRECTION_POS)), .repl_seq_offset_before = htonl(nfct_get_attr_u32(ct, ATTR_REPL_NAT_SEQ_OFFSET_BEFORE)), .repl_seq_offset_after = htonl(nfct_get_attr_u32(ct, ATTR_REPL_NAT_SEQ_OFFSET_AFTER)) }; addattr(n, NTA_NAT_SEQ_ADJ, &data, sizeof(struct nta_attr_natseqadj)); } static enum nf_conntrack_attr nat_type[] = { ATTR_ORIG_NAT_SEQ_CORRECTION_POS, ATTR_ORIG_NAT_SEQ_OFFSET_BEFORE, ATTR_ORIG_NAT_SEQ_OFFSET_AFTER, ATTR_REPL_NAT_SEQ_CORRECTION_POS, ATTR_REPL_NAT_SEQ_OFFSET_BEFORE, ATTR_REPL_NAT_SEQ_OFFSET_AFTER }; /* ICMP, UDP and TCP are always loaded with nf_conntrack_ipv4 */ static void build_l4proto_tcp(const struct nf_conntrack *ct, struct nethdr *n) { if (!nfct_attr_is_set(ct, ATTR_TCP_STATE)) return; ct_build_group(ct, ATTR_GRP_ORIG_PORT, n, NTA_PORT, sizeof(struct nfct_attr_grp_port)); ct_build_u8(ct, ATTR_TCP_STATE, n, NTA_TCP_STATE); if (CONFIG(sync).tcp_window_tracking) { ct_build_u8(ct, ATTR_TCP_WSCALE_ORIG, n, NTA_TCP_WSCALE_ORIG); ct_build_u8(ct, ATTR_TCP_WSCALE_REPL, n, NTA_TCP_WSCALE_REPL); } } static void build_l4proto_sctp(const struct nf_conntrack *ct, struct nethdr *n) { /* SCTP is optional, make sure nf_conntrack_sctp is loaded */ if (!nfct_attr_is_set(ct, ATTR_SCTP_STATE)) return; ct_build_group(ct, ATTR_GRP_ORIG_PORT, n, NTA_PORT, sizeof(struct nfct_attr_grp_port)); ct_build_u8(ct, ATTR_SCTP_STATE, n, NTA_SCTP_STATE); ct_build_u32(ct, ATTR_SCTP_VTAG_ORIG, n, NTA_SCTP_VTAG_ORIG); ct_build_u32(ct, ATTR_SCTP_VTAG_REPL, n, NTA_SCTP_VTAG_REPL); } static void build_l4proto_dccp(const struct nf_conntrack *ct, struct nethdr *n) { /* DCCP is optional, make sure nf_conntrack_dccp is loaded */ if (!nfct_attr_is_set(ct, ATTR_DCCP_STATE)) return; ct_build_group(ct, ATTR_GRP_ORIG_PORT, n, NTA_PORT, sizeof(struct nfct_attr_grp_port)); ct_build_u8(ct, ATTR_DCCP_STATE, n, NTA_DCCP_STATE); ct_build_u8(ct, ATTR_DCCP_ROLE, n, NTA_DCCP_ROLE); } static void build_l4proto_icmp(const struct nf_conntrack *ct, struct nethdr *n) { /* This is also used by ICMPv6 and nf_conntrack_ipv6 is optional */ if (!nfct_attr_is_set(ct, ATTR_ICMP_TYPE)) return; ct_build_u8(ct, ATTR_ICMP_TYPE, n, NTA_ICMP_TYPE); ct_build_u8(ct, ATTR_ICMP_CODE, n, NTA_ICMP_CODE); ct_build_u16(ct, ATTR_ICMP_ID, n, NTA_ICMP_ID); } static void build_l4proto_udp(const struct nf_conntrack *ct, struct nethdr *n) { ct_build_group(ct, ATTR_GRP_ORIG_PORT, n, NTA_PORT, sizeof(struct nfct_attr_grp_port)); } static void ct_build_clabel(const struct nf_conntrack *ct, struct nethdr *n) { const struct nfct_bitmask *b; uint32_t *words; unsigned int wordcount, i, maxbit; if (!nfct_attr_is_set(ct, ATTR_CONNLABELS)) return; b = nfct_get_attr(ct, ATTR_CONNLABELS); maxbit = nfct_bitmask_maxbit(b); for (i=0; i <= maxbit; i++) { if (nfct_bitmask_test_bit(b, i)) break; } if (i > maxbit) return; wordcount = (nfct_bitmask_maxbit(b) / 32) + 1; words = put_header(n, NTA_LABELS, wordcount * sizeof(*words)); for (i=0; i < wordcount; i++) { int bit = 31; uint32_t tmp = 0; do { if (nfct_bitmask_test_bit(b, (32 * i) + bit)) tmp |= (1 << bit); } while (--bit >= 0); words[i] = htonl(tmp); } } #ifndef IPPROTO_DCCP #define IPPROTO_DCCP 33 #endif static struct build_l4proto { void (*build)(const struct nf_conntrack *, struct nethdr *n); } l4proto_fcn[IPPROTO_MAX] = { [IPPROTO_TCP] = { .build = build_l4proto_tcp }, [IPPROTO_SCTP] = { .build = build_l4proto_sctp }, [IPPROTO_DCCP] = { .build = build_l4proto_dccp }, [IPPROTO_ICMP] = { .build = build_l4proto_icmp }, [IPPROTO_ICMPV6] = { .build = build_l4proto_icmp }, [IPPROTO_UDP] = { .build = build_l4proto_udp }, }; void ct2msg(const struct nf_conntrack *ct, struct nethdr *n) { uint8_t l4proto = nfct_get_attr_u8(ct, ATTR_L4PROTO); if (nfct_attr_grp_is_set(ct, ATTR_GRP_ORIG_IPV4)) { ct_build_group(ct, ATTR_GRP_ORIG_IPV4, n, NTA_IPV4, sizeof(struct nfct_attr_grp_ipv4)); } else if (nfct_attr_grp_is_set(ct, ATTR_GRP_ORIG_IPV6)) { ct_build_group(ct, ATTR_GRP_ORIG_IPV6, n, NTA_IPV6, sizeof(struct nfct_attr_grp_ipv6)); } ct_build_u32(ct, ATTR_STATUS, n, NTA_STATUS); ct_build_u8(ct, ATTR_L4PROTO, n, NTA_L4PROTO); if (l4proto_fcn[l4proto].build) l4proto_fcn[l4proto].build(ct, n); if (!CONFIG(commit_timeout) && nfct_attr_is_set(ct, ATTR_TIMEOUT)) ct_build_u32(ct, ATTR_TIMEOUT, n, NTA_TIMEOUT); if (nfct_attr_is_set(ct, ATTR_MARK)) ct_build_u32(ct, ATTR_MARK, n, NTA_MARK); /* setup the master conntrack */ if (nfct_attr_grp_is_set(ct, ATTR_GRP_MASTER_IPV4)) { ct_build_group(ct, ATTR_GRP_MASTER_IPV4, n, NTA_MASTER_IPV4, sizeof(struct nfct_attr_grp_ipv4)); ct_build_u8(ct, ATTR_MASTER_L4PROTO, n, NTA_MASTER_L4PROTO); if (nfct_attr_grp_is_set(ct, ATTR_GRP_MASTER_PORT)) { ct_build_group(ct, ATTR_GRP_MASTER_PORT, n, NTA_MASTER_PORT, sizeof(struct nfct_attr_grp_port)); } } else if (nfct_attr_grp_is_set(ct, ATTR_GRP_MASTER_IPV6)) { ct_build_group(ct, ATTR_GRP_MASTER_IPV6, n, NTA_MASTER_IPV6, sizeof(struct nfct_attr_grp_ipv6)); ct_build_u8(ct, ATTR_MASTER_L4PROTO, n, NTA_MASTER_L4PROTO); if (nfct_attr_grp_is_set(ct, ATTR_GRP_MASTER_PORT)) { ct_build_group(ct, ATTR_GRP_MASTER_PORT, n, NTA_MASTER_PORT, sizeof(struct nfct_attr_grp_port)); } } /* NAT */ if (nfct_getobjopt(ct, NFCT_GOPT_IS_SNAT)) ct_build_u32(ct, ATTR_REPL_IPV4_DST, n, NTA_SNAT_IPV4); if (nfct_getobjopt(ct, NFCT_GOPT_IS_DNAT)) ct_build_u32(ct, ATTR_REPL_IPV4_SRC, n, NTA_DNAT_IPV4); if (nfct_getobjopt(ct, NFCT_GOPT_IS_SPAT)) ct_build_u16(ct, ATTR_REPL_PORT_DST, n, NTA_SPAT_PORT); if (nfct_getobjopt(ct, NFCT_GOPT_IS_DPAT)) ct_build_u16(ct, ATTR_REPL_PORT_SRC, n, NTA_DPAT_PORT); /* NAT sequence adjustment */ if (nfct_attr_is_set_array(ct, nat_type, 6)) ct_build_natseqadj(ct, n); if (nfct_attr_is_set(ct, ATTR_HELPER_NAME)) ct_build_str(ct, ATTR_HELPER_NAME, n, NTA_HELPER_NAME); if (nfct_attr_is_set(ct, ATTR_CONNLABELS)) ct_build_clabel(ct, n); } static void exp_build_l4proto_tcp(const struct nf_conntrack *ct, struct nethdr *n, int a) { ct_build_group(ct, ATTR_GRP_ORIG_PORT, n, a, sizeof(struct nfct_attr_grp_port)); } static void exp_build_l4proto_sctp(const struct nf_conntrack *ct, struct nethdr *n, int a) { ct_build_group(ct, ATTR_GRP_ORIG_PORT, n, a, sizeof(struct nfct_attr_grp_port)); } static void exp_build_l4proto_dccp(const struct nf_conntrack *ct, struct nethdr *n, int a) { ct_build_group(ct, ATTR_GRP_ORIG_PORT, n, a, sizeof(struct nfct_attr_grp_port)); } static void exp_build_l4proto_udp(const struct nf_conntrack *ct, struct nethdr *n, int a) { ct_build_group(ct, ATTR_GRP_ORIG_PORT, n, a, sizeof(struct nfct_attr_grp_port)); } static struct exp_build_l4proto { void (*build)(const struct nf_conntrack *, struct nethdr *n, int a); } exp_l4proto_fcn[IPPROTO_MAX] = { [IPPROTO_TCP] = { .build = exp_build_l4proto_tcp }, [IPPROTO_SCTP] = { .build = exp_build_l4proto_sctp }, [IPPROTO_DCCP] = { .build = exp_build_l4proto_dccp }, [IPPROTO_UDP] = { .build = exp_build_l4proto_udp }, }; static inline void exp_build_u32(const struct nf_expect *exp, int a, struct nethdr *n, int b) { uint32_t data = nfexp_get_attr_u32(exp, a); data = htonl(data); addattr(n, b, &data, sizeof(uint32_t)); } static inline void exp_build_str(const struct nf_expect *exp, int a, struct nethdr *n, int b) { const char *data = nfexp_get_attr(exp, a); addattr(n, b, data, strlen(data)+1); } void exp2msg(const struct nf_expect *exp, struct nethdr *n) { const struct nf_conntrack *ct = nfexp_get_attr(exp, ATTR_EXP_MASTER); uint8_t l4proto = nfct_get_attr_u8(ct, ATTR_L4PROTO); /* master conntrack for this expectation. */ if (nfct_attr_grp_is_set(ct, ATTR_GRP_ORIG_IPV4)) { ct_build_group(ct, ATTR_GRP_ORIG_IPV4, n, NTA_EXP_MASTER_IPV4, sizeof(struct nfct_attr_grp_ipv4)); } else if (nfct_attr_grp_is_set(ct, ATTR_GRP_ORIG_IPV6)) { ct_build_group(ct, ATTR_GRP_ORIG_IPV6, n, NTA_EXP_MASTER_IPV6, sizeof(struct nfct_attr_grp_ipv6)); } ct_build_u8(ct, ATTR_L4PROTO, n, NTA_EXP_MASTER_L4PROTO); if (exp_l4proto_fcn[l4proto].build) exp_l4proto_fcn[l4proto].build(ct, n, NTA_EXP_MASTER_PORT); /* the expectation itself. */ ct = nfexp_get_attr(exp, ATTR_EXP_EXPECTED); if (nfct_attr_grp_is_set(ct, ATTR_GRP_ORIG_IPV4)) { ct_build_group(ct, ATTR_GRP_ORIG_IPV4, n, NTA_EXP_EXPECT_IPV4, sizeof(struct nfct_attr_grp_ipv4)); } else if (nfct_attr_grp_is_set(ct, ATTR_GRP_ORIG_IPV6)) { ct_build_group(ct, ATTR_GRP_ORIG_IPV6, n, NTA_EXP_EXPECT_IPV6, sizeof(struct nfct_attr_grp_ipv6)); } ct_build_u8(ct, ATTR_L4PROTO, n, NTA_EXP_EXPECT_L4PROTO); if (exp_l4proto_fcn[l4proto].build) exp_l4proto_fcn[l4proto].build(ct, n, NTA_EXP_EXPECT_PORT); /* mask for the expectation. */ ct = nfexp_get_attr(exp, ATTR_EXP_MASK); if (nfct_attr_grp_is_set(ct, ATTR_GRP_ORIG_IPV4)) { ct_build_group(ct, ATTR_GRP_ORIG_IPV4, n, NTA_EXP_MASK_IPV4, sizeof(struct nfct_attr_grp_ipv4)); } else if (nfct_attr_grp_is_set(ct, ATTR_GRP_ORIG_IPV6)) { ct_build_group(ct, ATTR_GRP_ORIG_IPV6, n, NTA_EXP_MASK_IPV6, sizeof(struct nfct_attr_grp_ipv6)); } ct_build_u8(ct, ATTR_L4PROTO, n, NTA_EXP_MASK_L4PROTO); if (exp_l4proto_fcn[l4proto].build) exp_l4proto_fcn[l4proto].build(ct, n, NTA_EXP_MASK_PORT); if (!CONFIG(commit_timeout) && nfexp_attr_is_set(exp, ATTR_EXP_TIMEOUT)) exp_build_u32(exp, ATTR_EXP_TIMEOUT, n, NTA_EXP_TIMEOUT); exp_build_u32(exp, ATTR_EXP_FLAGS, n, NTA_EXP_FLAGS); if (nfexp_attr_is_set(exp, ATTR_EXP_CLASS)) exp_build_u32(exp, ATTR_EXP_CLASS, n, NTA_EXP_CLASS); /* include NAT information, if any. */ ct = nfexp_get_attr(exp, ATTR_EXP_NAT_TUPLE); if (ct != NULL) { if (nfct_attr_grp_is_set(ct, ATTR_GRP_ORIG_IPV4)) { ct_build_group(ct, ATTR_GRP_ORIG_IPV4, n, NTA_EXP_NAT_IPV4, sizeof(struct nfct_attr_grp_ipv4)); } ct_build_u8(ct, ATTR_L4PROTO, n, NTA_EXP_NAT_L4PROTO); if (exp_l4proto_fcn[l4proto].build) exp_l4proto_fcn[l4proto].build(ct, n, NTA_EXP_NAT_PORT); exp_build_u32(exp, ATTR_EXP_NAT_DIR, n, NTA_EXP_NAT_DIR); } if (nfexp_attr_is_set(exp, ATTR_EXP_HELPER_NAME)) exp_build_str(exp, ATTR_EXP_HELPER_NAME, n, NTA_EXP_HELPER_NAME); if (nfexp_attr_is_set(exp, ATTR_EXP_FN)) exp_build_str(exp, ATTR_EXP_FN, n, NTA_EXP_FN); } conntrack-1.4.3/src/cache-ct.c000066400000000000000000000240241257407526400161210ustar00rootroot00000000000000/* * (C) 2006-2011 by Pablo Neira Ayuso * (C) 2011 by Vyatta 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "cache.h" #include "hash.h" #include "log.h" #include "conntrackd.h" #include "netlink.h" #include "event.h" #include "jhash.h" #include "network.h" #include #include #include #include static uint32_t cache_hash4_ct(const struct nf_conntrack *ct, const struct hashtable *table) { uint32_t a[4] = { [0] = nfct_get_attr_u32(ct, ATTR_IPV4_SRC), [1] = nfct_get_attr_u32(ct, ATTR_IPV4_DST), [2] = nfct_get_attr_u8(ct, ATTR_L3PROTO) << 16 | nfct_get_attr_u8(ct, ATTR_L4PROTO), [3] = nfct_get_attr_u16(ct, ATTR_PORT_SRC) << 16 | nfct_get_attr_u16(ct, ATTR_PORT_DST), }; /* * Instead of returning hash % table->hashsize (implying a divide) * we return the high 32 bits of the (hash * table->hashsize) that will * give results between [0 and hashsize-1] and same hash distribution, * but using a multiply, less expensive than a divide. See: * http://www.mail-archive.com/netdev@vger.kernel.org/msg56623.html */ return ((uint64_t)jhash2(a, 4, 0) * table->hashsize) >> 32; } static uint32_t cache_hash6_ct(const struct nf_conntrack *ct, const struct hashtable *table) { uint32_t a[10]; memcpy(&a[0], nfct_get_attr(ct, ATTR_IPV6_SRC), sizeof(uint32_t)*4); memcpy(&a[4], nfct_get_attr(ct, ATTR_IPV6_DST), sizeof(uint32_t)*4); a[8] = nfct_get_attr_u8(ct, ATTR_ORIG_L3PROTO) << 16 | nfct_get_attr_u8(ct, ATTR_ORIG_L4PROTO); a[9] = nfct_get_attr_u16(ct, ATTR_ORIG_PORT_SRC) << 16 | nfct_get_attr_u16(ct, ATTR_ORIG_PORT_DST); return ((uint64_t)jhash2(a, 10, 0) * table->hashsize) >> 32; } static uint32_t cache_ct_hash(const void *data, const struct hashtable *table) { int ret = 0; const struct nf_conntrack *ct = data; switch(nfct_get_attr_u8(ct, ATTR_L3PROTO)) { case AF_INET: ret = cache_hash4_ct(ct, table); break; case AF_INET6: ret = cache_hash6_ct(ct, table); break; default: dlog(LOG_ERR, "unknown layer 3 proto in hash"); break; } return ret; } /* master conntrack of expectations have no ID */ static inline int cache_ct_cmp_id(const struct nf_conntrack *ct1, const struct nf_conntrack *ct2) { return nfct_attr_is_set(ct2, ATTR_ID) ? nfct_get_attr_u32(ct1, ATTR_ID) == nfct_get_attr_u32(ct2, ATTR_ID) : 1; } static int cache_ct_cmp(const void *data1, const void *data2) { const struct cache_object *obj = data1; const struct nf_conntrack *ct = data2; return nfct_cmp(obj->ptr, ct, NFCT_CMP_ORIG) && cache_ct_cmp_id(obj->ptr, ct); } static void *cache_ct_alloc(void) { return nfct_new(); } static void cache_ct_free(void *ptr) { nfct_destroy(ptr); } static void cache_ct_copy(void *dst, void *src, unsigned int flags) { nfct_copy(dst, src, flags); } static int cache_ct_dump_step(void *data1, void *n) { char buf[1024]; int size; struct __dump_container *container = data1; struct cache_object *obj = n; char *data = obj->data; unsigned i; /* * XXX: Do not dump the entries that are scheduled to expire. * These entries talk about already destroyed connections * that we keep for some time just in case that we have to * resent some lost messages. We do not show them to the * user as he may think that the firewall replicas are not * in sync. The branch below is a hack as it is quite * specific and it breaks conntrackd modularity. Probably * there's a nicer way to do this but until I come up with it... */ if (CONFIG(flags) & CTD_SYNC_FTFW && obj->status == C_OBJ_DEAD) return 0; /* do not show cached timeout, this may confuse users */ if (nfct_attr_is_set(obj->ptr, ATTR_TIMEOUT)) nfct_attr_unset(obj->ptr, ATTR_TIMEOUT); memset(buf, 0, sizeof(buf)); size = nfct_snprintf(buf, sizeof(buf), obj->ptr, NFCT_T_UNKNOWN, container->type, 0); for (i = 0; i < obj->cache->num_features; i++) { if (obj->cache->features[i]->dump) { size += obj->cache->features[i]->dump(obj, data, buf+size, container->type); data += obj->cache->features[i]->size; } } if (container->type != NFCT_O_XML) { long tm = time(NULL); size += sprintf(buf+size, " [active since %lds]", tm - obj->lifetime); } size += sprintf(buf+size, "\n"); if (send(container->fd, buf, size, 0) == -1) { if (errno != EPIPE) return -1; } return 0; } static void cache_ct_commit_step(struct __commit_container *tmp, struct cache_object *obj) { int ret, retry = 1, timeout; struct nf_conntrack *ct = obj->ptr; if (CONFIG(commit_timeout)) { timeout = CONFIG(commit_timeout); } else { timeout = time(NULL) - obj->lastupdate; if (timeout < 0) { /* XXX: Arbitrarily set the timer to one minute, how * can this happen? For example, an adjustment due to * daylight-saving. Probably other situations can * trigger this. */ timeout = 60; } /* calculate an estimation of the current timeout */ timeout = nfct_get_attr_u32(ct, ATTR_TIMEOUT) - timeout; if (timeout < 0) { timeout = 60; } } retry: if (nl_create_conntrack(tmp->h, ct, timeout) == -1) { if (errno == EEXIST && retry == 1) { ret = nl_destroy_conntrack(tmp->h, ct); if (ret == 0 || (ret == -1 && errno == ENOENT)) { if (retry) { retry = 0; goto retry; } } dlog(LOG_ERR, "commit-destroy: %s", strerror(errno)); dlog_ct(STATE(log), ct, NFCT_O_PLAIN); tmp->c->stats.commit_fail++; } else { dlog(LOG_ERR, "commit-create: %s", strerror(errno)); dlog_ct(STATE(log), ct, NFCT_O_PLAIN); tmp->c->stats.commit_fail++; } } else { tmp->c->stats.commit_ok++; } } static int cache_ct_commit_related(void *data, void *n) { struct cache_object *obj = n; if (ct_is_related(obj->ptr)) cache_ct_commit_step(data, obj); /* keep iterating even if we have found errors */ return 0; } static int cache_ct_commit_master(void *data, void *n) { struct cache_object *obj = n; if (ct_is_related(obj->ptr)) return 0; cache_ct_commit_step(data, obj); return 0; } static int cache_ct_commit(struct cache *c, struct nfct_handle *h, int clientfd) { unsigned int commit_ok, commit_fail; struct __commit_container tmp = { .h = h, .c = c, }; struct timeval commit_stop, res; /* we already have one commit in progress, skip this. The clientfd * descriptor has to be closed by the caller. */ if (clientfd && STATE_SYNC(commit).clientfd != -1) return -1; switch(STATE_SYNC(commit).state) { case COMMIT_STATE_INACTIVE: gettimeofday(&STATE_SYNC(commit).stats.start, NULL); STATE_SYNC(commit).stats.ok = c->stats.commit_ok; STATE_SYNC(commit).stats.fail = c->stats.commit_fail; STATE_SYNC(commit).clientfd = clientfd; case COMMIT_STATE_MASTER: STATE_SYNC(commit).current = hashtable_iterate_limit(c->h, &tmp, STATE_SYNC(commit).current, CONFIG(general).commit_steps, cache_ct_commit_master); if (STATE_SYNC(commit).current < CONFIG(hashsize)) { STATE_SYNC(commit).state = COMMIT_STATE_MASTER; /* give it another step as soon as possible */ write_evfd(STATE_SYNC(commit).evfd); return 1; } STATE_SYNC(commit).current = 0; STATE_SYNC(commit).state = COMMIT_STATE_RELATED; case COMMIT_STATE_RELATED: STATE_SYNC(commit).current = hashtable_iterate_limit(c->h, &tmp, STATE_SYNC(commit).current, CONFIG(general).commit_steps, cache_ct_commit_related); if (STATE_SYNC(commit).current < CONFIG(hashsize)) { STATE_SYNC(commit).state = COMMIT_STATE_RELATED; /* give it another step as soon as possible */ write_evfd(STATE_SYNC(commit).evfd); return 1; } /* calculate the time that commit has taken */ gettimeofday(&commit_stop, NULL); timersub(&commit_stop, &STATE_SYNC(commit).stats.start, &res); /* calculate new entries committed */ commit_ok = c->stats.commit_ok - STATE_SYNC(commit).stats.ok; commit_fail = c->stats.commit_fail - STATE_SYNC(commit).stats.fail; /* log results */ dlog(LOG_NOTICE, "Committed %u new entries", commit_ok); if (commit_fail) dlog(LOG_NOTICE, "%u entries can't be " "committed", commit_fail); dlog(LOG_NOTICE, "commit has taken %lu.%06lu seconds", res.tv_sec, res.tv_usec); /* prepare the state machine for new commits */ STATE_SYNC(commit).current = 0; STATE_SYNC(commit).state = COMMIT_STATE_INACTIVE; return 0; } return 1; } static struct nethdr * cache_ct_build_msg(const struct cache_object *obj, int type) { return BUILD_NETMSG_FROM_CT(obj->ptr, type); } /* template to cache conntracks coming from the kernel. */ struct cache_ops cache_sync_internal_ct_ops = { .hash = cache_ct_hash, .cmp = cache_ct_cmp, .alloc = cache_ct_alloc, .free = cache_ct_free, .copy = cache_ct_copy, .dump_step = cache_ct_dump_step, .commit = NULL, .build_msg = cache_ct_build_msg, }; /* template to cache conntracks coming from the network. */ struct cache_ops cache_sync_external_ct_ops = { .hash = cache_ct_hash, .cmp = cache_ct_cmp, .alloc = cache_ct_alloc, .free = cache_ct_free, .copy = cache_ct_copy, .dump_step = cache_ct_dump_step, .commit = cache_ct_commit, .build_msg = NULL, }; /* template to cache conntracks for the statistics mode. */ struct cache_ops cache_stats_ct_ops = { .hash = cache_ct_hash, .cmp = cache_ct_cmp, .alloc = cache_ct_alloc, .free = cache_ct_free, .copy = cache_ct_copy, .dump_step = cache_ct_dump_step, .commit = NULL, .build_msg = NULL, }; conntrack-1.4.3/src/cache-exp.c000066400000000000000000000214031257407526400163050ustar00rootroot00000000000000/* * (C) 2006-2011 by Pablo Neira Ayuso * (C) 2011 by Vyatta 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "cache.h" #include "hash.h" #include "log.h" #include "conntrackd.h" #include "netlink.h" #include "event.h" #include "jhash.h" #include "network.h" #include #include #include #include static uint32_t cache_hash4_exp(const struct nf_conntrack *ct, const struct hashtable *table) { uint32_t a[4] = { [0] = nfct_get_attr_u32(ct, ATTR_IPV4_SRC), [1] = nfct_get_attr_u32(ct, ATTR_IPV4_DST), [2] = nfct_get_attr_u8(ct, ATTR_L3PROTO) << 16 | nfct_get_attr_u8(ct, ATTR_L4PROTO), [3] = nfct_get_attr_u16(ct, ATTR_PORT_SRC) << 16 | nfct_get_attr_u16(ct, ATTR_PORT_DST), }; /* * Instead of returning hash % table->hashsize (implying a divide) * we return the high 32 bits of the (hash * table->hashsize) that will * give results between [0 and hashsize-1] and same hash distribution, * but using a multiply, less expensive than a divide. See: * http://www.mail-archive.com/netdev@vger.kernel.org/msg56623.html */ return ((uint64_t)jhash2(a, 4, 0) * table->hashsize) >> 32; } static uint32_t cache_hash6_exp(const struct nf_conntrack *ct, const struct hashtable *table) { uint32_t a[10]; memcpy(&a[0], nfct_get_attr(ct, ATTR_IPV6_SRC), sizeof(uint32_t)*4); memcpy(&a[4], nfct_get_attr(ct, ATTR_IPV6_DST), sizeof(uint32_t)*4); a[8] = nfct_get_attr_u8(ct, ATTR_ORIG_L3PROTO) << 16 | nfct_get_attr_u8(ct, ATTR_ORIG_L4PROTO); a[9] = nfct_get_attr_u16(ct, ATTR_ORIG_PORT_SRC) << 16 | nfct_get_attr_u16(ct, ATTR_ORIG_PORT_DST); return ((uint64_t)jhash2(a, 10, 0) * table->hashsize) >> 32; } static uint32_t cache_exp_hash(const void *data, const struct hashtable *table) { int ret = 0; const struct nf_expect *exp = data; const struct nf_conntrack *ct = nfexp_get_attr(exp, ATTR_EXP_MASTER); switch(nfct_get_attr_u8(ct, ATTR_L3PROTO)) { case AF_INET: ret = cache_hash4_exp(ct, table); break; case AF_INET6: ret = cache_hash6_exp(ct, table); break; default: dlog(LOG_ERR, "unknown layer 3 proto in hash"); break; } return ret; } static int cache_exp_cmp(const void *data1, const void *data2) { const struct cache_object *obj = data1; const struct nf_expect *exp = data2; return nfexp_cmp(obj->ptr, exp, 0); } static void *cache_exp_alloc(void) { return nfexp_new(); } static void cache_exp_free(void *ptr) { nfexp_destroy(ptr); } static void cache_exp_copy(void *dst, void *src, unsigned int flags) { /* XXX: add nfexp_copy(...) to libnetfilter_conntrack. */ memcpy(dst, src, nfexp_maxsize()); } static int cache_exp_dump_step(void *data1, void *n) { char buf[1024]; int size; struct __dump_container *container = data1; struct cache_object *obj = n; char *data = obj->data; unsigned i; /* * XXX: Do not dump the entries that are scheduled to expire. * These entries talk about already destroyed connections * that we keep for some time just in case that we have to * resent some lost messages. We do not show them to the * user as he may think that the firewall replicas are not * in sync. The branch below is a hack as it is quite * specific and it breaks conntrackd modularity. Probably * there's a nicer way to do this but until I come up with it... */ if (CONFIG(flags) & CTD_SYNC_FTFW && obj->status == C_OBJ_DEAD) return 0; /* do not show cached timeout, this may confuse users */ if (nfexp_attr_is_set(obj->ptr, ATTR_EXP_TIMEOUT)) nfexp_attr_unset(obj->ptr, ATTR_EXP_TIMEOUT); memset(buf, 0, sizeof(buf)); size = nfexp_snprintf(buf, sizeof(buf),obj->ptr, NFCT_T_UNKNOWN, container->type, 0); for (i = 0; i < obj->cache->num_features; i++) { if (obj->cache->features[i]->dump) { size += obj->cache->features[i]->dump(obj, data, buf+size, container->type); data += obj->cache->features[i]->size; } } if (container->type != NFCT_O_XML) { long tm = time(NULL); size += sprintf(buf+size, " [active since %lds]", tm - obj->lifetime); } size += sprintf(buf+size, "\n"); if (send(container->fd, buf, size, 0) == -1) { if (errno != EPIPE) return -1; } return 0; } static int cache_exp_commit_step(void *data, void *n) { struct cache_object *obj = n; struct __commit_container *tmp = data; int ret, retry = 1, timeout; struct nf_expect *exp = obj->ptr; if (CONFIG(commit_timeout)) { timeout = CONFIG(commit_timeout); } else { timeout = time(NULL) - obj->lastupdate; if (timeout < 0) { /* XXX: Arbitrarily set the timer to one minute, how * can this happen? For example, an adjustment due to * daylight-saving. Probably other situations can * trigger this. */ timeout = 60; } /* calculate an estimation of the current timeout */ timeout = nfexp_get_attr_u32(exp, ATTR_EXP_TIMEOUT) - timeout; if (timeout < 0) { timeout = 60; } } retry: if (nl_create_expect(tmp->h, exp, timeout) == -1) { if (errno == EEXIST && retry == 1) { ret = nl_destroy_expect(tmp->h, exp); if (ret == 0 || (ret == -1 && errno == ENOENT)) { if (retry) { retry = 0; goto retry; } } dlog(LOG_ERR, "commit-destroy: %s", strerror(errno)); dlog_exp(STATE(log), exp, NFCT_O_PLAIN); tmp->c->stats.commit_fail++; } else { dlog(LOG_ERR, "commit-create: %s", strerror(errno)); dlog_exp(STATE(log), exp, NFCT_O_PLAIN); tmp->c->stats.commit_fail++; } } else { tmp->c->stats.commit_ok++; } /* keep iterating even if we have found errors */ return 0; } static int cache_exp_commit(struct cache *c, struct nfct_handle *h, int clientfd) { unsigned int commit_ok, commit_fail; struct timeval commit_stop, res; struct __commit_container tmp = { .h = h, .c = c, }; /* we already have one commit in progress, skip this. The clientfd * descriptor has to be closed by the caller. */ if (clientfd && STATE_SYNC(commit).clientfd != -1) return -1; switch(STATE_SYNC(commit).state) { case COMMIT_STATE_INACTIVE: gettimeofday(&STATE_SYNC(commit).stats.start, NULL); STATE_SYNC(commit).stats.ok = c->stats.commit_ok; STATE_SYNC(commit).stats.fail = c->stats.commit_fail; STATE_SYNC(commit).clientfd = clientfd; case COMMIT_STATE_MASTER: STATE_SYNC(commit).current = hashtable_iterate_limit(c->h, &tmp, STATE_SYNC(commit).current, CONFIG(general).commit_steps, cache_exp_commit_step); if (STATE_SYNC(commit).current < CONFIG(hashsize)) { STATE_SYNC(commit).state = COMMIT_STATE_MASTER; /* give it another step as soon as possible */ write_evfd(STATE_SYNC(commit).evfd); return 1; } /* calculate the time that commit has taken */ gettimeofday(&commit_stop, NULL); timersub(&commit_stop, &STATE_SYNC(commit).stats.start, &res); /* calculate new entries committed */ commit_ok = c->stats.commit_ok - STATE_SYNC(commit).stats.ok; commit_fail = c->stats.commit_fail - STATE_SYNC(commit).stats.fail; /* log results */ dlog(LOG_NOTICE, "Committed %u new expectations", commit_ok); if (commit_fail) dlog(LOG_NOTICE, "%u expectations can't be " "committed", commit_fail); dlog(LOG_NOTICE, "commit has taken %lu.%06lu seconds", res.tv_sec, res.tv_usec); /* prepare the state machine for new commits */ STATE_SYNC(commit).current = 0; STATE_SYNC(commit).state = COMMIT_STATE_INACTIVE; return 0; } return 1; } static struct nethdr * cache_exp_build_msg(const struct cache_object *obj, int type) { return BUILD_NETMSG_FROM_EXP(obj->ptr, type); } /* template to cache expectations coming from the kernel. */ struct cache_ops cache_sync_internal_exp_ops = { .hash = cache_exp_hash, .cmp = cache_exp_cmp, .alloc = cache_exp_alloc, .free = cache_exp_free, .copy = cache_exp_copy, .dump_step = cache_exp_dump_step, .commit = NULL, .build_msg = cache_exp_build_msg, }; /* template to cache expectations coming from the network. */ struct cache_ops cache_sync_external_exp_ops = { .hash = cache_exp_hash, .cmp = cache_exp_cmp, .alloc = cache_exp_alloc, .free = cache_exp_free, .copy = cache_exp_copy, .dump_step = cache_exp_dump_step, .commit = cache_exp_commit, .build_msg = NULL, }; conntrack-1.4.3/src/cache.c000066400000000000000000000217031257407526400155160ustar00rootroot00000000000000/* * (C) 2006-2011 by Pablo Neira Ayuso * (C) 2011 by Vyatta 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "cache.h" #include "jhash.h" #include "hash.h" #include "log.h" #include "conntrackd.h" #include #include #include #include #include struct cache_feature *cache_feature[CACHE_MAX_FEATURE] = { [TIMER_FEATURE] = &timer_feature, }; struct cache *cache_create(const char *name, enum cache_type type, unsigned int features, struct cache_extra *extra, struct cache_ops *ops) { size_t size = sizeof(struct cache_object); int i, j = 0; struct cache *c; struct cache_feature *feature_array[CACHE_MAX_FEATURE] = {}; unsigned int feature_offset[CACHE_MAX_FEATURE] = {}; unsigned int feature_type[CACHE_MAX_FEATURE] = {}; if (type == CACHE_T_NONE || type >= CACHE_T_MAX) return NULL; c = malloc(sizeof(struct cache)); if (!c) return NULL; memset(c, 0, sizeof(struct cache)); strncpy(c->name, name, CACHE_MAX_NAMELEN); c->name[CACHE_MAX_NAMELEN - 1] = '\0'; c->type = type; for (i = 0; i < CACHE_MAX_FEATURE; i++) { if ((1 << i) & features) { feature_array[j] = cache_feature[i]; feature_offset[j] = size; feature_type[i] = j; size += cache_feature[i]->size; j++; } } memcpy(c->feature_type, feature_type, sizeof(feature_type)); c->features = malloc(sizeof(struct cache_feature) * j); if (!c->features) { free(c); return NULL; } memcpy(c->features, feature_array, sizeof(struct cache_feature) * j); c->num_features = j; c->extra_offset = size; c->extra = extra; if (extra) size += extra->size; c->feature_offset = malloc(sizeof(unsigned int) * j); if (!c->feature_offset) { free(c->features); free(c); return NULL; } memcpy(c->feature_offset, feature_offset, sizeof(unsigned int) * j); if (!ops || !ops->hash || !ops->cmp || !ops->alloc || !ops->copy || !ops->free) { free(c->feature_offset); free(c->features); free(c); return NULL; } c->ops = ops; c->h = hashtable_create(CONFIG(hashsize), CONFIG(limit), c->ops->hash, c->ops->cmp); if (!c->h) { free(c->features); free(c->feature_offset); free(c); return NULL; } c->object_size = size; return c; } void cache_destroy(struct cache *c) { cache_flush(c); hashtable_destroy(c->h); free(c->features); free(c->feature_offset); free(c); } struct cache_object *cache_object_new(struct cache *c, void *ptr) { struct cache_object *obj; obj = calloc(c->object_size, 1); if (obj == NULL) { errno = ENOMEM; c->stats.add_fail_enomem++; return NULL; } obj->cache = c; obj->ptr = c->ops->alloc(); if (obj->ptr == NULL) { free(obj); errno = ENOMEM; c->stats.add_fail_enomem++; return NULL; } c->ops->copy(obj->ptr, ptr, NFCT_CP_OVERRIDE); obj->status = C_OBJ_NONE; c->stats.objects++; return obj; } void cache_object_free(struct cache_object *obj) { obj->cache->stats.objects--; obj->cache->ops->free(obj->ptr); free(obj); } int cache_object_put(struct cache_object *obj) { if (--obj->refcnt == 0) { cache_del(obj->cache, obj); cache_object_free(obj); return 1; } return 0; } void cache_object_get(struct cache_object *obj) { obj->refcnt++; } void cache_object_set_status(struct cache_object *obj, int status) { if (status == C_OBJ_DEAD) { obj->cache->stats.del_ok++; obj->cache->stats.active--; } obj->status = status; } static int __add(struct cache *c, struct cache_object *obj, int id) { int ret; unsigned int i; char *data = obj->data; ret = hashtable_add(c->h, &obj->hashnode, id); if (ret == -1) return -1; for (i = 0; i < c->num_features; i++) { c->features[i]->add(obj, data); data += c->features[i]->size; } if (c->extra && c->extra->add) c->extra->add(obj, ((char *) obj) + c->extra_offset); c->stats.active++; obj->lifetime = obj->lastupdate = time_cached(); obj->status = C_OBJ_NEW; obj->refcnt++; return 0; } int cache_add(struct cache *c, struct cache_object *obj, int id) { int ret; ret = __add(c, obj, id); if (ret == -1) { c->stats.add_fail++; if (errno == ENOSPC) c->stats.add_fail_enospc++; return -1; } c->stats.add_ok++; return 0; } void cache_update(struct cache *c, struct cache_object *obj, int id, void *ptr) { char *data = obj->data; unsigned int i; c->ops->copy(obj->ptr, ptr, NFCT_CP_META); for (i = 0; i < c->num_features; i++) { c->features[i]->update(obj, data); data += c->features[i]->size; } if (c->extra && c->extra->update) c->extra->update(obj, ((char *) obj) + c->extra_offset); c->stats.upd_ok++; obj->lastupdate = time_cached(); obj->status = C_OBJ_ALIVE; } static void __del(struct cache *c, struct cache_object *obj) { unsigned i; char *data = obj->data; for (i = 0; i < c->num_features; i++) { c->features[i]->destroy(obj, data); data += c->features[i]->size; } if (c->extra && c->extra->destroy) c->extra->destroy(obj, ((char *) obj) + c->extra_offset); hashtable_del(c->h, &obj->hashnode); } void cache_del(struct cache *c, struct cache_object *obj) { /* * Do not increase stats if we are trying to * kill an entry was previously deleted via * __cache_del_timer. */ if (obj->status != C_OBJ_DEAD) { c->stats.del_ok++; c->stats.active--; } __del(c, obj); } struct cache_object *cache_update_force(struct cache *c, void *ptr) { struct cache_object *obj; int id; obj = cache_find(c, ptr, &id); if (obj) { if (obj->status != C_OBJ_DEAD) { cache_update(c, obj, id, ptr); return obj; } else { cache_del(c, obj); cache_object_free(obj); } } obj = cache_object_new(c, ptr); if (obj == NULL) return NULL; if (cache_add(c, obj, id) == -1) { cache_object_free(obj); return NULL; } return obj; } struct cache_object *cache_find(struct cache *c, void *ptr, int *id) { *id = hashtable_hash(c->h, ptr); return ((struct cache_object *) hashtable_find(c->h, ptr, *id)); } void *cache_get_extra(struct cache_object *obj) { return (char*)obj + obj->cache->extra_offset; } void cache_stats(const struct cache *c, int fd) { char buf[512]; int size; size = sprintf(buf, "cache %s:\n" "current active connections:\t%12u\n" "connections created:\t\t%12u\tfailed:\t%12u\n" "connections updated:\t\t%12u\tfailed:\t%12u\n" "connections destroyed:\t\t%12u\tfailed:\t%12u\n\n", c->name, c->stats.active, c->stats.add_ok, c->stats.add_fail, c->stats.upd_ok, c->stats.upd_fail, c->stats.del_ok, c->stats.del_fail); send(fd, buf, size, 0); } void cache_stats_extended(const struct cache *c, int fd) { char buf[512]; int size; size = snprintf(buf, sizeof(buf), "cache:%s\tactive objects:\t\t%12u\n" "\tactive/total entries:\t\t%12u/%12u\n" "\tcreation OK/failed:\t\t%12u/%12u\n" "\t\tno memory available:\t%12u\n" "\t\tno space left in cache:\t%12u\n" "\tupdate OK/failed:\t\t%12u/%12u\n" "\t\tentry not found:\t%12u\n" "\tdeletion created/failed:\t%12u/%12u\n" "\t\tentry not found:\t%12u\n\n", c->name, c->stats.objects, c->stats.active, hashtable_counter(c->h), c->stats.add_ok, c->stats.add_fail, c->stats.add_fail_enomem, c->stats.add_fail_enospc, c->stats.upd_ok, c->stats.upd_fail, c->stats.upd_fail_enoent, c->stats.del_ok, c->stats.del_fail, c->stats.del_fail_enoent); send(fd, buf, size, 0); } void cache_iterate(struct cache *c, void *data, int (*iterate)(void *data1, void *data2)) { hashtable_iterate(c->h, data, iterate); } void cache_iterate_limit(struct cache *c, void *data, uint32_t from, uint32_t steps, int (*iterate)(void *data1, void *data2)) { hashtable_iterate_limit(c->h, data, from, steps, iterate); } void cache_dump(struct cache *c, int fd, int type) { struct __dump_container tmp = { .fd = fd, .type = type }; hashtable_iterate(c->h, (void *) &tmp, c->ops->dump_step); } int cache_commit(struct cache *c, struct nfct_handle *h, int clientfd) { return c->ops->commit(c, h, clientfd); } static int do_flush(void *data, void *n) { struct cache *c = data; struct cache_object *obj = n; cache_del(c, obj); cache_object_free(obj); return 0; } void cache_flush(struct cache *c) { hashtable_iterate(c->h, c, do_flush); c->stats.flush++; } conntrack-1.4.3/src/cache_timer.c000066400000000000000000000036041257407526400167160ustar00rootroot00000000000000/* * (C) 2006 by Pablo Neira Ayuso * * 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "cache.h" #include "conntrackd.h" #include "alarm.h" #include static void timeout(struct alarm_block *a, void *data) { struct cache_object *obj = data; cache_del(obj->cache, obj); cache_object_free(obj); } static void timer_add(struct cache_object *obj, void *data) { struct alarm_block *a = data; init_alarm(a, obj, timeout); add_alarm(a, CONFIG(cache_timeout), 0); } static void timer_update(struct cache_object *obj, void *data) { struct alarm_block *a = data; add_alarm(a, CONFIG(cache_timeout), 0); } static void timer_destroy(struct cache_object *obj, void *data) { struct alarm_block *a = data; del_alarm(a); } static int timer_dump(struct cache_object *obj, void *data, char *buf, int type) { struct timeval tv, tmp; struct alarm_block *a = data; if (type == NFCT_O_XML) return 0; if (!alarm_pending(a)) return 0; gettimeofday(&tv, NULL); timersub(&a->tv, &tv, &tmp); return sprintf(buf, " [expires in %lds]", tmp.tv_sec); } struct cache_feature timer_feature = { .size = sizeof(struct alarm_block), .add = timer_add, .update = timer_update, .destroy = timer_destroy, .dump = timer_dump }; conntrack-1.4.3/src/channel.c000066400000000000000000000147701257407526400160710ustar00rootroot00000000000000/* * (C) 2009 by Pablo Neira Ayuso * * 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 of the License, or * (at your option) any later version. */ #include #include #include #include #include #include #include #include "conntrackd.h" #include "channel.h" #include "network.h" #include "queue.h" static struct channel_ops *ops[CHANNEL_MAX]; extern struct channel_ops channel_mcast; extern struct channel_ops channel_udp; extern struct channel_ops channel_tcp; static struct queue *errorq; int channel_init(void) { ops[CHANNEL_MCAST] = &channel_mcast; ops[CHANNEL_UDP] = &channel_udp; ops[CHANNEL_TCP] = &channel_tcp; errorq = queue_create("errorq", CONFIG(channelc).error_queue_length, 0); if (errorq == NULL) { return -1; } return 0; } void channel_end(void) { queue_destroy(errorq); } struct channel_buffer { char *data; int size; int len; }; static struct channel_buffer * channel_buffer_open(int mtu, int headersiz) { struct channel_buffer *b; b = calloc(sizeof(struct channel_buffer), 1); if (b == NULL) return NULL; b->size = mtu - headersiz; b->data = malloc(b->size); if (b->data == NULL) { free(b); return NULL; } return b; } static void channel_buffer_close(struct channel_buffer *b) { if (b == NULL) return; free(b->data); free(b); } struct channel * channel_open(struct channel_conf *cfg) { struct channel *c; struct ifreq ifr; int fd; if (cfg->channel_type >= CHANNEL_MAX) return NULL; if (!cfg->channel_ifname[0]) return NULL; if (cfg->channel_flags >= CHANNEL_F_MAX) return NULL; c = calloc(sizeof(struct channel), 1); if (c == NULL) return NULL; c->channel_type = cfg->channel_type; fd = socket(AF_INET, SOCK_DGRAM, 0); if (fd == -1) { free(c); return NULL; } strncpy(ifr.ifr_name, cfg->channel_ifname, sizeof(ifr.ifr_name)); if (ioctl(fd, SIOCGIFMTU, &ifr) == -1) { free(c); close(fd); return NULL; } close(fd); c->channel_ifmtu = ifr.ifr_mtu; c->channel_ifindex = if_nametoindex(cfg->channel_ifname); if (c->channel_ifindex == 0) { free(c); return NULL; } c->ops = ops[cfg->channel_type]; if (cfg->channel_flags & CHANNEL_F_BUFFERED) { c->buffer = channel_buffer_open(c->channel_ifmtu, c->ops->headersiz); if (c->buffer == NULL) { free(c); return NULL; } } c->channel_flags = cfg->channel_flags; c->data = c->ops->open(&cfg->u); if (c->data == NULL) { channel_buffer_close(c->buffer); free(c); return NULL; } return c; } void channel_close(struct channel *c) { c->ops->close(c->data); if (c->channel_flags & CHANNEL_F_BUFFERED) channel_buffer_close(c->buffer); free(c); } struct channel_error { char *data; int len; }; static void channel_enqueue_errors(struct channel *c) { struct queue_object *qobj; struct channel_error *error; qobj = queue_object_new(Q_ELEM_ERR, sizeof(struct channel_error)); if (qobj == NULL) return; error = (struct channel_error *)qobj->data; error->len = c->buffer->len; error->data = malloc(c->buffer->len); if (error->data == NULL) { queue_object_free(qobj); return; } memcpy(error->data, c->buffer->data, c->buffer->len); if (queue_add(errorq, &qobj->qnode) < 0) { if (errno == ENOSPC) { struct queue_node *tail; struct channel_error *tmp; tail = queue_del_head(errorq); tmp = queue_node_data(tail); free(tmp->data); queue_object_free((struct queue_object *)tail); queue_add(errorq, &qobj->qnode); } } } static int channel_handle_error_step(struct queue_node *n, const void *data2) { struct channel_error *error; const struct channel *c = data2; int ret; error = queue_node_data(n); ret = c->ops->send(c->data, error->data, error->len); if (ret != -1) { /* Success. Delete it from the error queue. */ queue_del(n); free(error->data); queue_object_free((struct queue_object *)n); } else { /* We failed to deliver, give up now, try later. */ return 1; } return 0; } static int channel_handle_errors(struct channel *c) { /* there are pending errors that we have to handle. */ if (c->channel_flags & CHANNEL_F_ERRORS && queue_len(errorq) > 0) { queue_iterate(errorq, c, channel_handle_error_step); return queue_len(errorq) > 0; } return 0; } int channel_send(struct channel *c, const struct nethdr *net) { int ret = 0, len = ntohs(net->len), pending_errors; pending_errors = channel_handle_errors(c); if (!(c->channel_flags & CHANNEL_F_BUFFERED)) { c->ops->send(c->data, net, len); return 1; } retry: if (c->buffer->len + len < c->buffer->size) { memcpy(c->buffer->data + c->buffer->len, net, len); c->buffer->len += len; } else { /* We've got pending packets to deliver, enqueue this * packet to avoid possible re-ordering. */ if (pending_errors) { channel_enqueue_errors(c); } else { ret = c->ops->send(c->data, c->buffer->data, c->buffer->len); if (ret == -1 && (c->channel_flags & CHANNEL_F_ERRORS)) { /* Give it another chance to deliver. */ channel_enqueue_errors(c); } } ret = 1; c->buffer->len = 0; goto retry; } return ret; } int channel_send_flush(struct channel *c) { int ret, pending_errors; pending_errors = channel_handle_errors(c); if (!(c->channel_flags & CHANNEL_F_BUFFERED) || c->buffer->len == 0) return 0; /* We still have pending errors to deliver, avoid any re-ordering. */ if (pending_errors) { channel_enqueue_errors(c); } else { ret = c->ops->send(c->data, c->buffer->data, c->buffer->len); if (ret == -1 && (c->channel_flags & CHANNEL_F_ERRORS)) { /* Give it another chance to deliver it. */ channel_enqueue_errors(c); } } c->buffer->len = 0; return 1; } int channel_recv(struct channel *c, char *buf, int size) { return c->ops->recv(c->data, buf, size); } int channel_get_fd(struct channel *c) { return c->ops->get_fd(c->data); } void channel_stats(struct channel *c, int fd) { return c->ops->stats(c, fd); } void channel_stats_extended(struct channel *c, int active, struct nlif_handle *h, int fd) { return c->ops->stats_extended(c, active, h, fd); } int channel_accept_isset(struct channel *c, fd_set *readfds) { return c->ops->accept_isset(c, readfds); } int channel_isset(struct channel *c, fd_set *readfds) { return c->ops->isset(c, readfds); } int channel_accept(struct channel *c) { return c->ops->accept(c); } int channel_type(struct channel *c) { return c->ops->type; } conntrack-1.4.3/src/channel_mcast.c000066400000000000000000000060711257407526400172530ustar00rootroot00000000000000/* * (C) 2009 by Pablo Neira Ayuso * * 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 of the License, or * (at your option) any later version. */ #include #include #include "channel.h" #include "mcast.h" static void *channel_mcast_open(void *conf) { struct mcast_channel *m; struct mcast_conf *c = conf; m = calloc(sizeof(struct mcast_channel), 1); if (m == NULL) return NULL; m->client = mcast_client_create(c); if (m->client == NULL) { free(m); return NULL; } m->server = mcast_server_create(c); if (m->server == NULL) { mcast_client_destroy(m->client); free(m); return NULL; } return m; } static int channel_mcast_send(void *channel, const void *data, int len) { struct mcast_channel *m = channel; return mcast_send(m->client, data, len); } static int channel_mcast_recv(void *channel, char *buf, int size) { struct mcast_channel *m = channel; return mcast_recv(m->server, buf, size); } static void channel_mcast_close(void *channel) { struct mcast_channel *m = channel; mcast_client_destroy(m->client); mcast_server_destroy(m->server); free(m); } static int channel_mcast_get_fd(void *channel) { struct mcast_channel *m = channel; return mcast_get_fd(m->server); } static void channel_mcast_stats(struct channel *c, int fd) { struct mcast_channel *m = c->data; char ifname[IFNAMSIZ], buf[512]; int size; if_indextoname(c->channel_ifindex, ifname); size = mcast_snprintf_stats(buf, sizeof(buf), ifname, &m->client->stats, &m->server->stats); send(fd, buf, size, 0); } static void channel_mcast_stats_extended(struct channel *c, int active, struct nlif_handle *h, int fd) { struct mcast_channel *m = c->data; char ifname[IFNAMSIZ], buf[512]; const char *status; unsigned int flags; int size; if_indextoname(c->channel_ifindex, ifname); nlif_get_ifflags(h, c->channel_ifindex, &flags); /* * IFF_UP shows administrative status * IFF_RUNNING shows carrier status */ if (flags & IFF_UP) { if (!(flags & IFF_RUNNING)) status = "NO-CARRIER"; else status = "RUNNING"; } else { status = "DOWN"; } size = mcast_snprintf_stats2(buf, sizeof(buf), ifname, status, active, &m->client->stats, &m->server->stats); send(fd, buf, size, 0); } static int channel_mcast_isset(struct channel *c, fd_set *readfds) { struct mcast_channel *m = c->data; return mcast_isset(m->server, readfds); } static int channel_mcast_accept_isset(struct channel *c, fd_set *readfds) { return 0; } struct channel_ops channel_mcast = { .headersiz = 28, /* IP header (20 bytes) + UDP header 8 (bytes) */ .open = channel_mcast_open, .close = channel_mcast_close, .send = channel_mcast_send, .recv = channel_mcast_recv, .get_fd = channel_mcast_get_fd, .isset = channel_mcast_isset, .accept_isset = channel_mcast_accept_isset, .stats = channel_mcast_stats, .stats_extended = channel_mcast_stats_extended, }; conntrack-1.4.3/src/channel_tcp.c000066400000000000000000000064131257407526400167320ustar00rootroot00000000000000/* * (C) 2009 by Pablo Neira Ayuso * * 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 of the License, or * (at your option) any later version. * * TCP support has been sponsored by 6WIND . */ #include #include #include "channel.h" #include "tcp.h" static void *channel_tcp_open(void *conf) { struct tcp_channel *m; struct tcp_conf *c = conf; m = calloc(sizeof(struct tcp_channel), 1); if (m == NULL) return NULL; m->client = tcp_client_create(c); if (m->client == NULL) { free(m); return NULL; } m->server = tcp_server_create(c); if (m->server == NULL) { tcp_client_destroy(m->client); free(m); return NULL; } return m; } static int channel_tcp_send(void *channel, const void *data, int len) { struct tcp_channel *m = channel; return tcp_send(m->client, data, len); } static int channel_tcp_recv(void *channel, char *buf, int size) { struct tcp_channel *m = channel; return tcp_recv(m->server, buf, size); } static void channel_tcp_close(void *channel) { struct tcp_channel *m = channel; tcp_client_destroy(m->client); tcp_server_destroy(m->server); free(m); } static int channel_tcp_get_fd(void *channel) { struct tcp_channel *m = channel; return tcp_get_fd(m->server); } static void channel_tcp_stats(struct channel *c, int fd) { struct tcp_channel *m = c->data; char ifname[IFNAMSIZ], buf[512]; int size; if_indextoname(c->channel_ifindex, ifname); size = tcp_snprintf_stats(buf, sizeof(buf), ifname, m->client, m->server); send(fd, buf, size, 0); } static void channel_tcp_stats_extended(struct channel *c, int active, struct nlif_handle *h, int fd) { struct tcp_channel *m = c->data; char ifname[IFNAMSIZ], buf[512]; const char *status; unsigned int flags; int size; if_indextoname(c->channel_ifindex, ifname); nlif_get_ifflags(h, c->channel_ifindex, &flags); /* * IFF_UP shows administrative status * IFF_RUNNING shows carrier status */ if (flags & IFF_UP) { if (!(flags & IFF_RUNNING)) status = "NO-CARRIER"; else status = "RUNNING"; } else { status = "DOWN"; } size = tcp_snprintf_stats2(buf, sizeof(buf), ifname, status, active, &m->client->stats, &m->server->stats); send(fd, buf, size, 0); } static int channel_tcp_isset(struct channel *c, fd_set *readfds) { struct tcp_channel *m = c->data; return tcp_isset(m->server, readfds); } static int channel_tcp_accept_isset(struct channel *c, fd_set *readfds) { struct tcp_channel *m = c->data; return tcp_accept_isset(m->server, readfds); } static int channel_tcp_accept(struct channel *c) { struct tcp_channel *m = c->data; return tcp_accept(m->server); } struct channel_ops channel_tcp = { .headersiz = 40, /* IP header (20 bytes) + TCP header 20 (bytes) */ .type = CHANNEL_T_STREAM, .open = channel_tcp_open, .close = channel_tcp_close, .send = channel_tcp_send, .recv = channel_tcp_recv, .accept = channel_tcp_accept, .get_fd = channel_tcp_get_fd, .isset = channel_tcp_isset, .accept_isset = channel_tcp_accept_isset, .stats = channel_tcp_stats, .stats_extended = channel_tcp_stats_extended, }; conntrack-1.4.3/src/channel_udp.c000066400000000000000000000057471257407526400167450ustar00rootroot00000000000000/* * (C) 2009 by Pablo Neira Ayuso * * 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 of the License, or * (at your option) any later version. */ #include #include #include "channel.h" #include "udp.h" static void *channel_udp_open(void *conf) { struct udp_channel *m; struct udp_conf *c = conf; m = calloc(sizeof(struct udp_channel), 1); if (m == NULL) return NULL; m->client = udp_client_create(c); if (m->client == NULL) { free(m); return NULL; } m->server = udp_server_create(c); if (m->server == NULL) { udp_client_destroy(m->client); free(m); return NULL; } return m; } static int channel_udp_send(void *channel, const void *data, int len) { struct udp_channel *m = channel; return udp_send(m->client, data, len); } static int channel_udp_recv(void *channel, char *buf, int size) { struct udp_channel *m = channel; return udp_recv(m->server, buf, size); } static void channel_udp_close(void *channel) { struct udp_channel *m = channel; udp_client_destroy(m->client); udp_server_destroy(m->server); free(m); } static int channel_udp_get_fd(void *channel) { struct udp_channel *m = channel; return udp_get_fd(m->server); } static void channel_udp_stats(struct channel *c, int fd) { struct udp_channel *m = c->data; char ifname[IFNAMSIZ], buf[512]; int size; if_indextoname(c->channel_ifindex, ifname); size = udp_snprintf_stats(buf, sizeof(buf), ifname, &m->client->stats, &m->server->stats); send(fd, buf, size, 0); } static void channel_udp_stats_extended(struct channel *c, int active, struct nlif_handle *h, int fd) { struct udp_channel *m = c->data; char ifname[IFNAMSIZ], buf[512]; const char *status; unsigned int flags; int size; if_indextoname(c->channel_ifindex, ifname); nlif_get_ifflags(h, c->channel_ifindex, &flags); /* * IFF_UP shows administrative status * IFF_RUNNING shows carrier status */ if (flags & IFF_UP) { if (!(flags & IFF_RUNNING)) status = "NO-CARRIER"; else status = "RUNNING"; } else { status = "DOWN"; } size = udp_snprintf_stats2(buf, sizeof(buf), ifname, status, active, &m->client->stats, &m->server->stats); send(fd, buf, size, 0); } static int channel_udp_isset(struct channel *c, fd_set *readfds) { struct udp_channel *m = c->data; return udp_isset(m->server, readfds); } static int channel_udp_accept_isset(struct channel *c, fd_set *readfds) { return 0; } struct channel_ops channel_udp = { .headersiz = 28, /* IP header (20 bytes) + UDP header 8 (bytes) */ .open = channel_udp_open, .close = channel_udp_close, .send = channel_udp_send, .recv = channel_udp_recv, .get_fd = channel_udp_get_fd, .isset = channel_udp_isset, .accept_isset = channel_udp_accept_isset, .stats = channel_udp_stats, .stats_extended = channel_udp_stats_extended, }; conntrack-1.4.3/src/cidr.c000066400000000000000000000034631257407526400153770ustar00rootroot00000000000000/* * (C) 2006-2008 by Pablo Neira Ayuso * * 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include #include #include #include "cidr.h" /* returns the netmask in host byte order */ uint32_t ipv4_cidr2mask_host(uint8_t cidr) { return 0xFFFFFFFF << (32 - cidr); } /* returns the netmask in network byte order */ uint32_t ipv4_cidr2mask_net(uint8_t cidr) { return htonl(ipv4_cidr2mask_host(cidr)); } void ipv6_cidr2mask_host(uint8_t cidr, uint32_t *res) { int i, j; memset(res, 0, sizeof(uint32_t)*4); for (i = 0; i < 4 && cidr > 32; i++) { res[i] = 0xFFFFFFFF; cidr -= 32; } res[i] = 0xFFFFFFFF << (32 - cidr); for (j = i+1; j < 4; j++) { res[j] = 0; } } void ipv6_cidr2mask_net(uint8_t cidr, uint32_t *res) { int i; ipv6_cidr2mask_host(cidr, res); for (i=0; i<4; i++) res[i] = htonl(res[i]); } /* I need this function because I initially defined an IPv6 address as * uint32 u[4]. Using char u[16] instead would allow to remove this. */ void ipv6_addr2addr_host(uint32_t *addr, uint32_t *res) { int i; memset(res, 0, sizeof(uint32_t)*4); for (i = 0; i < 4; i++) { res[i] = ntohl(addr[i]); } } conntrack-1.4.3/src/conntrack.c000066400000000000000000002035201257407526400164340ustar00rootroot00000000000000/* * (C) 2005-2012 by Pablo Neira Ayuso * (C) 2012 by Intra2net AG * * 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. * * Note: * Yes, portions of this code has been stolen from iptables ;) * Special thanks to the the Netfilter Core Team. * Thanks to Javier de Miguel Rodriguez * for introducing me to advanced firewalling stuff. * * --pablo 13/04/2005 * * 2005-04-16 Harald Welte : * Add support for conntrack accounting and conntrack mark * 2005-06-23 Harald Welte : * Add support for expect creation * 2005-09-24 Harald Welte : * Remove remaints of "-A" * 2007-04-22 Pablo Neira Ayuso : * Ported to the new libnetfilter_conntrack API * 2008-04-13 Pablo Neira Ayuso : * Way more flexible update and delete operations * * Part of this code has been funded by Sophos Astaro */ #include "conntrack.h" #include #include #include #include #include #include #include #include #include #include #include #ifdef HAVE_ARPA_INET_H #include #endif #include #include #include #include #include #include #include struct u32_mask { uint32_t value; uint32_t mask; }; /* These are the template objects that are used to send commands. */ static struct { struct nf_conntrack *ct; struct nf_expect *exp; /* Expectations require the expectation tuple and the mask. */ struct nf_conntrack *exptuple, *mask; /* Allows filtering/setting specific bits in the ctmark */ struct u32_mask mark; /* Allow to filter by mark from kernel-space. */ struct nfct_filter_dump_mark filter_mark_kernel; /* Allows filtering by ctlabels */ struct nfct_bitmask *label; /* Allows setting/removing specific ctlabels */ struct nfct_bitmask *label_modify; } tmpl; static int alloc_tmpl_objects(void) { tmpl.ct = nfct_new(); tmpl.exptuple = nfct_new(); tmpl.mask = nfct_new(); tmpl.exp = nfexp_new(); memset(&tmpl.mark, 0, sizeof(tmpl.mark)); return tmpl.ct != NULL && tmpl.exptuple != NULL && tmpl.mask != NULL && tmpl.exp != NULL; } static void free_tmpl_objects(void) { if (tmpl.ct) nfct_destroy(tmpl.ct); if (tmpl.exptuple) nfct_destroy(tmpl.exptuple); if (tmpl.mask) nfct_destroy(tmpl.mask); if (tmpl.exp) nfexp_destroy(tmpl.exp); if (tmpl.label) nfct_bitmask_destroy(tmpl.label); if (tmpl.label_modify) nfct_bitmask_destroy(tmpl.label_modify); } enum ct_command { CT_NONE = 0, CT_LIST_BIT = 0, CT_LIST = (1 << CT_LIST_BIT), CT_CREATE_BIT = 1, CT_CREATE = (1 << CT_CREATE_BIT), CT_UPDATE_BIT = 2, CT_UPDATE = (1 << CT_UPDATE_BIT), CT_DELETE_BIT = 3, CT_DELETE = (1 << CT_DELETE_BIT), CT_GET_BIT = 4, CT_GET = (1 << CT_GET_BIT), CT_FLUSH_BIT = 5, CT_FLUSH = (1 << CT_FLUSH_BIT), CT_EVENT_BIT = 6, CT_EVENT = (1 << CT_EVENT_BIT), CT_VERSION_BIT = 7, CT_VERSION = (1 << CT_VERSION_BIT), CT_HELP_BIT = 8, CT_HELP = (1 << CT_HELP_BIT), EXP_LIST_BIT = 9, EXP_LIST = (1 << EXP_LIST_BIT), EXP_CREATE_BIT = 10, EXP_CREATE = (1 << EXP_CREATE_BIT), EXP_DELETE_BIT = 11, EXP_DELETE = (1 << EXP_DELETE_BIT), EXP_GET_BIT = 12, EXP_GET = (1 << EXP_GET_BIT), EXP_FLUSH_BIT = 13, EXP_FLUSH = (1 << EXP_FLUSH_BIT), EXP_EVENT_BIT = 14, EXP_EVENT = (1 << EXP_EVENT_BIT), CT_COUNT_BIT = 15, CT_COUNT = (1 << CT_COUNT_BIT), EXP_COUNT_BIT = 16, EXP_COUNT = (1 << EXP_COUNT_BIT), CT_STATS_BIT = 17, CT_STATS = (1 << CT_STATS_BIT), EXP_STATS_BIT = 18, EXP_STATS = (1 << EXP_STATS_BIT), }; /* If you add a new command, you have to update NUMBER_OF_CMD in conntrack.h */ enum ct_options { CT_OPT_ORIG_SRC_BIT = 0, CT_OPT_ORIG_SRC = (1 << CT_OPT_ORIG_SRC_BIT), CT_OPT_ORIG_DST_BIT = 1, CT_OPT_ORIG_DST = (1 << CT_OPT_ORIG_DST_BIT), CT_OPT_ORIG = (CT_OPT_ORIG_SRC | CT_OPT_ORIG_DST), CT_OPT_REPL_SRC_BIT = 2, CT_OPT_REPL_SRC = (1 << CT_OPT_REPL_SRC_BIT), CT_OPT_REPL_DST_BIT = 3, CT_OPT_REPL_DST = (1 << CT_OPT_REPL_DST_BIT), CT_OPT_REPL = (CT_OPT_REPL_SRC | CT_OPT_REPL_DST), CT_OPT_PROTO_BIT = 4, CT_OPT_PROTO = (1 << CT_OPT_PROTO_BIT), CT_OPT_TUPLE_ORIG = (CT_OPT_ORIG | CT_OPT_PROTO), CT_OPT_TUPLE_REPL = (CT_OPT_REPL | CT_OPT_PROTO), CT_OPT_TIMEOUT_BIT = 5, CT_OPT_TIMEOUT = (1 << CT_OPT_TIMEOUT_BIT), CT_OPT_STATUS_BIT = 6, CT_OPT_STATUS = (1 << CT_OPT_STATUS_BIT), CT_OPT_ZERO_BIT = 7, CT_OPT_ZERO = (1 << CT_OPT_ZERO_BIT), CT_OPT_EVENT_MASK_BIT = 8, CT_OPT_EVENT_MASK = (1 << CT_OPT_EVENT_MASK_BIT), CT_OPT_EXP_SRC_BIT = 9, CT_OPT_EXP_SRC = (1 << CT_OPT_EXP_SRC_BIT), CT_OPT_EXP_DST_BIT = 10, CT_OPT_EXP_DST = (1 << CT_OPT_EXP_DST_BIT), CT_OPT_MASK_SRC_BIT = 11, CT_OPT_MASK_SRC = (1 << CT_OPT_MASK_SRC_BIT), CT_OPT_MASK_DST_BIT = 12, CT_OPT_MASK_DST = (1 << CT_OPT_MASK_DST_BIT), CT_OPT_NATRANGE_BIT = 13, CT_OPT_NATRANGE = (1 << CT_OPT_NATRANGE_BIT), CT_OPT_MARK_BIT = 14, CT_OPT_MARK = (1 << CT_OPT_MARK_BIT), CT_OPT_ID_BIT = 15, CT_OPT_ID = (1 << CT_OPT_ID_BIT), CT_OPT_FAMILY_BIT = 16, CT_OPT_FAMILY = (1 << CT_OPT_FAMILY_BIT), CT_OPT_SRC_NAT_BIT = 17, CT_OPT_SRC_NAT = (1 << CT_OPT_SRC_NAT_BIT), CT_OPT_DST_NAT_BIT = 18, CT_OPT_DST_NAT = (1 << CT_OPT_DST_NAT_BIT), CT_OPT_OUTPUT_BIT = 19, CT_OPT_OUTPUT = (1 << CT_OPT_OUTPUT_BIT), CT_OPT_SECMARK_BIT = 20, CT_OPT_SECMARK = (1 << CT_OPT_SECMARK_BIT), CT_OPT_BUFFERSIZE_BIT = 21, CT_OPT_BUFFERSIZE = (1 << CT_OPT_BUFFERSIZE_BIT), CT_OPT_ANY_NAT_BIT = 22, CT_OPT_ANY_NAT = (1 << CT_OPT_ANY_NAT_BIT), CT_OPT_ZONE_BIT = 23, CT_OPT_ZONE = (1 << CT_OPT_ZONE_BIT), CT_OPT_LABEL_BIT = 24, CT_OPT_LABEL = (1 << CT_OPT_LABEL_BIT), CT_OPT_ADD_LABEL_BIT = 25, CT_OPT_ADD_LABEL = (1 << CT_OPT_ADD_LABEL_BIT), CT_OPT_DEL_LABEL_BIT = 26, CT_OPT_DEL_LABEL = (1 << CT_OPT_DEL_LABEL_BIT), }; /* If you add a new option, you have to update NUMBER_OF_OPT in conntrack.h */ /* Update this mask to allow to filter based on new options. */ #define CT_COMPARISON (CT_OPT_PROTO | CT_OPT_ORIG | CT_OPT_REPL | \ CT_OPT_MARK | CT_OPT_SECMARK | CT_OPT_STATUS | \ CT_OPT_ID | CT_OPT_ZONE | CT_OPT_LABEL) static const char *optflags[NUMBER_OF_OPT] = { [CT_OPT_ORIG_SRC_BIT] = "src", [CT_OPT_ORIG_DST_BIT] = "dst", [CT_OPT_REPL_SRC_BIT] = "reply-src", [CT_OPT_REPL_DST_BIT] = "reply-dst", [CT_OPT_PROTO_BIT] = "protonum", [CT_OPT_TIMEOUT_BIT] = "timeout", [CT_OPT_STATUS_BIT] = "status", [CT_OPT_ZERO_BIT] = "zero", [CT_OPT_EVENT_MASK_BIT] = "event-mask", [CT_OPT_EXP_SRC_BIT] = "tuple-src", [CT_OPT_EXP_DST_BIT] = "tuple-dst", [CT_OPT_MASK_SRC_BIT] = "mask-src", [CT_OPT_MASK_DST_BIT] = "mask-dst", [CT_OPT_NATRANGE_BIT] = "nat-range", [CT_OPT_MARK_BIT] = "mark", [CT_OPT_ID_BIT] = "id", [CT_OPT_FAMILY_BIT] = "family", [CT_OPT_SRC_NAT_BIT] = "src-nat", [CT_OPT_DST_NAT_BIT] = "dst-nat", [CT_OPT_OUTPUT_BIT] = "output", [CT_OPT_SECMARK_BIT] = "secmark", [CT_OPT_BUFFERSIZE_BIT] = "buffer-size", [CT_OPT_ANY_NAT_BIT] = "any-nat", [CT_OPT_ZONE_BIT] = "zone", [CT_OPT_LABEL_BIT] = "label", [CT_OPT_ADD_LABEL_BIT] = "label-add", [CT_OPT_DEL_LABEL_BIT] = "label-del", }; static struct option original_opts[] = { {"dump", 2, 0, 'L'}, {"create", 2, 0, 'I'}, {"delete", 2, 0, 'D'}, {"update", 2, 0, 'U'}, {"get", 2, 0, 'G'}, {"flush", 2, 0, 'F'}, {"event", 2, 0, 'E'}, {"counter", 2, 0, 'C'}, {"stats", 0, 0, 'S'}, {"version", 0, 0, 'V'}, {"help", 0, 0, 'h'}, {"orig-src", 1, 0, 's'}, {"src", 1, 0, 's'}, {"orig-dst", 1, 0, 'd'}, {"dst", 1, 0, 'd'}, {"reply-src", 1, 0, 'r'}, {"reply-dst", 1, 0, 'q'}, {"protonum", 1, 0, 'p'}, {"timeout", 1, 0, 't'}, {"status", 1, 0, 'u'}, {"zero", 0, 0, 'z'}, {"event-mask", 1, 0, 'e'}, {"tuple-src", 1, 0, '['}, {"tuple-dst", 1, 0, ']'}, {"mask-src", 1, 0, '{'}, {"mask-dst", 1, 0, '}'}, {"nat-range", 1, 0, 'a'}, /* deprecated */ {"mark", 1, 0, 'm'}, {"secmark", 1, 0, 'c'}, {"id", 2, 0, 'i'}, /* deprecated */ {"family", 1, 0, 'f'}, {"src-nat", 2, 0, 'n'}, {"dst-nat", 2, 0, 'g'}, {"output", 1, 0, 'o'}, {"buffer-size", 1, 0, 'b'}, {"any-nat", 2, 0, 'j'}, {"zone", 1, 0, 'w'}, {"label", 1, 0, 'l'}, {"label-add", 1, 0, '<'}, {"label-del", 2, 0, '>'}, {0, 0, 0, 0} }; static const char *getopt_str = ":L::I::U::D::G::E::F::hVs:d:r:q:" "p:t:u:e:a:z[:]:{:}:m:i:f:o:n::" "g::c:b:C::Sj::w:l:<:>::"; /* Table of legal combinations of commands and options. If any of the * given commands make an option legal, that option is legal (applies to * CMD_LIST and CMD_ZERO only). * Key: * 0 illegal * 1 compulsory * 2 optional * 3 undecided, see flag combination checkings in generic_opt_check() */ static char commands_v_options[NUMBER_OF_CMD][NUMBER_OF_OPT] = /* Well, it's better than "Re: Linux vs FreeBSD" */ { /* s d r q p t u z e [ ] { } a m i f n g o c b j w l < > */ /*CT_LIST*/ {2,2,2,2,2,0,2,2,0,0,0,0,0,0,2,0,2,2,2,2,2,0,2,2,2,0,0}, /*CT_CREATE*/ {3,3,3,3,1,1,2,0,0,0,0,0,0,2,2,0,0,2,2,0,0,0,0,2,0,2,0}, /*CT_UPDATE*/ {2,2,2,2,2,2,2,0,0,0,0,0,0,0,2,2,2,2,2,2,0,0,0,0,2,2,2}, /*CT_DELETE*/ {2,2,2,2,2,2,2,0,0,0,0,0,0,0,2,2,2,2,2,2,0,0,0,2,2,0,0}, /*CT_GET*/ {3,3,3,3,1,0,0,0,0,0,0,0,0,0,0,2,0,0,0,2,0,0,0,0,2,0,0}, /*CT_FLUSH*/ {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}, /*CT_EVENT*/ {2,2,2,2,2,0,0,0,2,0,0,0,0,0,2,0,0,2,2,2,2,2,2,2,2,0,0}, /*VERSION*/ {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}, /*HELP*/ {0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}, /*EXP_LIST*/ {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,0,2,0,0,0,0,0,0,0}, /*EXP_CREATE*/{1,1,2,2,1,1,2,0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0}, /*EXP_DELETE*/{1,1,2,2,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}, /*EXP_GET*/ {1,1,2,2,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}, /*EXP_FLUSH*/ {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}, /*EXP_EVENT*/ {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0}, /*CT_COUNT*/ {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}, /*EXP_COUNT*/ {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}, /*CT_STATS*/ {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}, /*EXP_STATS*/ {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}, }; static const int cmd2type[][2] = { ['L'] = { CT_LIST, EXP_LIST }, ['I'] = { CT_CREATE, EXP_CREATE }, ['D'] = { CT_DELETE, EXP_DELETE }, ['G'] = { CT_GET, EXP_GET }, ['F'] = { CT_FLUSH, EXP_FLUSH }, ['E'] = { CT_EVENT, EXP_EVENT }, ['V'] = { CT_VERSION, CT_VERSION }, ['h'] = { CT_HELP, CT_HELP }, ['C'] = { CT_COUNT, EXP_COUNT }, ['S'] = { CT_STATS, EXP_STATS }, }; static const int opt2type[] = { ['s'] = CT_OPT_ORIG_SRC, ['d'] = CT_OPT_ORIG_DST, ['r'] = CT_OPT_REPL_SRC, ['q'] = CT_OPT_REPL_DST, ['{'] = CT_OPT_MASK_SRC, ['}'] = CT_OPT_MASK_DST, ['['] = CT_OPT_EXP_SRC, [']'] = CT_OPT_EXP_DST, ['n'] = CT_OPT_SRC_NAT, ['g'] = CT_OPT_DST_NAT, ['m'] = CT_OPT_MARK, ['c'] = CT_OPT_SECMARK, ['i'] = CT_OPT_ID, ['j'] = CT_OPT_ANY_NAT, ['w'] = CT_OPT_ZONE, ['l'] = CT_OPT_LABEL, ['<'] = CT_OPT_ADD_LABEL, ['>'] = CT_OPT_DEL_LABEL, }; static const int opt2family_attr[][2] = { ['s'] = { ATTR_ORIG_IPV4_SRC, ATTR_ORIG_IPV6_SRC }, ['d'] = { ATTR_ORIG_IPV4_DST, ATTR_ORIG_IPV6_DST }, ['r'] = { ATTR_REPL_IPV4_SRC, ATTR_REPL_IPV6_SRC }, ['q'] = { ATTR_REPL_IPV4_DST, ATTR_REPL_IPV6_DST }, ['{'] = { ATTR_ORIG_IPV4_SRC, ATTR_ORIG_IPV6_SRC }, ['}'] = { ATTR_ORIG_IPV4_DST, ATTR_ORIG_IPV6_DST }, ['['] = { ATTR_ORIG_IPV4_SRC, ATTR_ORIG_IPV6_SRC }, [']'] = { ATTR_ORIG_IPV4_DST, ATTR_ORIG_IPV6_DST }, }; static const int opt2attr[] = { ['s'] = ATTR_ORIG_L3PROTO, ['d'] = ATTR_ORIG_L3PROTO, ['r'] = ATTR_REPL_L3PROTO, ['q'] = ATTR_REPL_L3PROTO, ['{'] = ATTR_ORIG_L3PROTO, ['}'] = ATTR_ORIG_L3PROTO, ['['] = ATTR_ORIG_L3PROTO, [']'] = ATTR_ORIG_L3PROTO, ['m'] = ATTR_MARK, ['c'] = ATTR_SECMARK, ['i'] = ATTR_ID, ['w'] = ATTR_ZONE, ['l'] = ATTR_CONNLABELS, ['<'] = ATTR_CONNLABELS, ['>'] = ATTR_CONNLABELS, }; static char exit_msg[NUMBER_OF_CMD][64] = { [CT_LIST_BIT] = "%d flow entries have been shown.\n", [CT_CREATE_BIT] = "%d flow entries have been created.\n", [CT_UPDATE_BIT] = "%d flow entries have been updated.\n", [CT_DELETE_BIT] = "%d flow entries have been deleted.\n", [CT_GET_BIT] = "%d flow entries have been shown.\n", [CT_EVENT_BIT] = "%d flow events have been shown.\n", [EXP_LIST_BIT] = "%d expectations have been shown.\n", [EXP_DELETE_BIT] = "%d expectations have been shown.\n", }; static const char usage_commands[] = "Commands:\n" " -L [table] [options]\t\tList conntrack or expectation table\n" " -G [table] parameters\t\tGet conntrack or expectation\n" " -D [table] parameters\t\tDelete conntrack or expectation\n" " -I [table] parameters\t\tCreate a conntrack or expectation\n" " -U [table] parameters\t\tUpdate a conntrack\n" " -E [table] [options]\t\tShow events\n" " -F [table]\t\t\tFlush table\n" " -C [table]\t\t\tShow counter\n" " -S\t\t\t\tShow statistics\n"; static const char usage_tables[] = "Tables: conntrack, expect\n"; static const char usage_conntrack_parameters[] = "Conntrack parameters and options:\n" " -n, --src-nat ip\t\t\tsource NAT ip\n" " -g, --dst-nat ip\t\t\tdestination NAT ip\n" " -j, --any-nat ip\t\t\tsource or destination NAT ip\n" " -m, --mark mark\t\t\tSet mark\n" " -c, --secmark secmark\t\t\tSet selinux secmark\n" " -e, --event-mask eventmask\t\tEvent mask, eg. NEW,DESTROY\n" " -z, --zero \t\t\t\tZero counters while listing\n" " -o, --output type[,...]\t\tOutput format, eg. xml\n" " -l, --label label[,...]\t\tconntrack labels\n"; static const char usage_expectation_parameters[] = "Expectation parameters and options:\n" " --tuple-src ip\tSource address in expect tuple\n" " --tuple-dst ip\tDestination address in expect tuple\n" " --mask-src ip\t\tSource mask address\n" " --mask-dst ip\t\tDestination mask address\n"; static const char usage_update_parameters[] = "Updating parameters and options:\n" " --label-add label\tAdd label\n" " --label-del label\tDelete label\n"; static const char usage_parameters[] = "Common parameters and options:\n" " -s, --orig-src ip\t\tSource address from original direction\n" " -d, --orig-dst ip\t\tDestination address from original direction\n" " -r, --reply-src ip\t\tSource addres from reply direction\n" " -q, --reply-dst ip\t\tDestination address from reply direction\n" " -p, --protonum proto\t\tLayer 4 Protocol, eg. 'tcp'\n" " -f, --family proto\t\tLayer 3 Protocol, eg. 'ipv6'\n" " -t, --timeout timeout\t\tSet timeout\n" " -u, --status status\t\tSet status, eg. ASSURED\n" " -w, --zone value\t\tSet conntrack zone\n" " -b, --buffer-size\t\tNetlink socket buffer size\n" ; #define OPTION_OFFSET 256 static struct nfct_handle *cth, *ith; static struct option *opts = original_opts; static unsigned int global_option_offset = 0; #define ADDR_VALID_FLAGS_MAX 2 static unsigned int addr_valid_flags[ADDR_VALID_FLAGS_MAX] = { CT_OPT_ORIG_SRC | CT_OPT_ORIG_DST, CT_OPT_REPL_SRC | CT_OPT_REPL_DST, }; static LIST_HEAD(proto_list); static unsigned int options; static struct nfct_labelmap *labelmap; void register_proto(struct ctproto_handler *h) { if (strcmp(h->version, VERSION) != 0) { fprintf(stderr, "plugin `%s': version %s (I'm %s)\n", h->name, h->version, VERSION); exit(1); } list_add(&h->head, &proto_list); } extern struct ctproto_handler ct_proto_unknown; static struct ctproto_handler *findproto(char *name, int *pnum) { struct ctproto_handler *cur; struct protoent *pent; int protonum; /* is it in the list of supported protocol? */ list_for_each_entry(cur, &proto_list, head) { if (strcasecmp(cur->name, name) == 0) { *pnum = cur->protonum; return cur; } } /* using the protocol name for an unsupported protocol? */ if ((pent = getprotobyname(name))) { *pnum = pent->p_proto; return &ct_proto_unknown; } /* using a protocol number? */ protonum = atoi(name); if (protonum > 0 && protonum <= IPPROTO_MAX) { /* try lookup by number, perhaps this protocol is supported */ list_for_each_entry(cur, &proto_list, head) { if (cur->protonum == protonum) { *pnum = protonum; return cur; } } *pnum = protonum; return &ct_proto_unknown; } return NULL; } static void extension_help(struct ctproto_handler *h, int protonum) { const char *name; if (h == &ct_proto_unknown) { struct protoent *pent; pent = getprotobynumber(protonum); if (!pent) name = h->name; else name = pent->p_name; } else { name = h->name; } fprintf(stdout, "Proto `%s' help:\n", name); h->help(); } static void __attribute__((noreturn)) exit_tryhelp(int status) { fprintf(stderr, "Try `%s -h' or '%s --help' for more information.\n", PROGNAME, PROGNAME); exit(status); } static void free_options(void) { if (opts != original_opts) { free(opts); opts = original_opts; global_option_offset = 0; } } void __attribute__((noreturn)) exit_error(enum exittype status, const char *msg, ...) { va_list args; free_options(); va_start(args, msg); fprintf(stderr,"%s v%s (conntrack-tools): ", PROGNAME, VERSION); vfprintf(stderr, msg, args); fprintf(stderr, "\n"); va_end(args); if (status == PARAMETER_PROBLEM) exit_tryhelp(status); /* release template objects that were allocated in the setup stage. */ free_tmpl_objects(); exit(status); } static int bit2cmd(int command) { int i; for (i = 0; i < NUMBER_OF_CMD; i++) if (command & (1<= 0) return 1; /* report a partial matching to suggest something */ return 0; } static struct option * merge_options(struct option *oldopts, const struct option *newopts, unsigned int *option_offset) { unsigned int num_old, num_new, i; struct option *merge; for (num_old = 0; oldopts[num_old].name; num_old++); for (num_new = 0; newopts[num_new].name; num_new++); global_option_offset += OPTION_OFFSET; *option_offset = global_option_offset; merge = malloc(sizeof(struct option) * (num_new + num_old + 1)); if (merge == NULL) return NULL; memcpy(merge, oldopts, num_old * sizeof(struct option)); for (i = 0; i < num_new; i++) { merge[num_old + i] = newopts[i]; merge[num_old + i].val += *option_offset; } memset(merge + num_old + num_new, 0, sizeof(struct option)); return merge; } /* From linux/errno.h */ #define ENOTSUPP 524 /* Operation is not supported */ /* Translates errno numbers into more human-readable form than strerror. */ static const char * err2str(int err, enum ct_command command) { unsigned int i; struct table_struct { enum ct_command act; int err; const char *message; } table [] = { { CT_LIST, ENOTSUPP, "function not implemented" }, { 0xFFFF, EINVAL, "invalid parameters" }, { CT_CREATE, EEXIST, "Such conntrack exists, try -U to update" }, { CT_CREATE|CT_GET|CT_DELETE, ENOENT, "such conntrack doesn't exist" }, { CT_CREATE|CT_GET, ENOMEM, "not enough memory" }, { CT_GET, EAFNOSUPPORT, "protocol not supported" }, { CT_CREATE, ETIME, "conntrack has expired" }, { EXP_CREATE, ENOENT, "master conntrack not found" }, { EXP_CREATE, EINVAL, "invalid parameters" }, { ~0U, EPERM, "sorry, you must be root or get " "CAP_NET_ADMIN capability to do this"} }; for (i = 0; i < sizeof(table)/sizeof(struct table_struct); i++) { if ((table[i].act & command) && table[i].err == err) return table[i].message; } return strerror(err); } static int mark_cmp(const struct u32_mask *m, const struct nf_conntrack *ct) { return nfct_attr_is_set(ct, ATTR_MARK) && (nfct_get_attr_u32(ct, ATTR_MARK) & m->mask) == m->value; } #define PARSE_STATUS 0 #define PARSE_EVENT 1 #define PARSE_OUTPUT 2 #define PARSE_MAX 3 enum { _O_XML = (1 << 0), _O_EXT = (1 << 1), _O_TMS = (1 << 2), _O_ID = (1 << 3), _O_KTMS = (1 << 4), _O_CL = (1 << 5), }; enum { CT_EVENT_F_NEW = (1 << 0), CT_EVENT_F_UPD = (1 << 1), CT_EVENT_F_DEL = (1 << 2), CT_EVENT_F_ALL = CT_EVENT_F_NEW | CT_EVENT_F_UPD | CT_EVENT_F_DEL, }; static struct parse_parameter { const char *parameter[6]; size_t size; unsigned int value[6]; } parse_array[PARSE_MAX] = { { {"ASSURED", "SEEN_REPLY", "UNSET", "FIXED_TIMEOUT", "EXPECTED"}, 5, { IPS_ASSURED, IPS_SEEN_REPLY, 0, IPS_FIXED_TIMEOUT, IPS_EXPECTED} }, { {"ALL", "NEW", "UPDATES", "DESTROY"}, 4, { CT_EVENT_F_ALL, CT_EVENT_F_NEW, CT_EVENT_F_UPD, CT_EVENT_F_DEL } }, { {"xml", "extended", "timestamp", "id", "ktimestamp", "labels", }, 6, { _O_XML, _O_EXT, _O_TMS, _O_ID, _O_KTMS, _O_CL }, }, }; static int do_parse_parameter(const char *str, size_t str_length, unsigned int *value, int parse_type) { size_t i; int ret = 0; struct parse_parameter *p = &parse_array[parse_type]; if (strncasecmp(str, "SRC_NAT", str_length) == 0) { fprintf(stderr, "WARNING: ignoring SRC_NAT, " "use --src-nat instead\n"); return 1; } if (strncasecmp(str, "DST_NAT", str_length) == 0) { fprintf(stderr, "WARNING: ignoring DST_NAT, " "use --dst-nat instead\n"); return 1; } for (i = 0; i < p->size; i++) if (strncasecmp(str, p->parameter[i], str_length) == 0) { *value |= p->value[i]; ret = 1; break; } return ret; } static void parse_parameter(const char *arg, unsigned int *status, int parse_type) { const char *comma; while ((comma = strchr(arg, ',')) != NULL) { if (comma == arg || !do_parse_parameter(arg, comma-arg, status, parse_type)) exit_error(PARAMETER_PROBLEM,"Bad parameter `%s'", arg); arg = comma+1; } if (strlen(arg) == 0 || !do_parse_parameter(arg, strlen(arg), status, parse_type)) exit_error(PARAMETER_PROBLEM, "Bad parameter `%s'", arg); } static void parse_u32_mask(const char *arg, struct u32_mask *m) { char *end; m->value = (uint32_t) strtoul(arg, &end, 0); if (*end == '/') m->mask = (uint32_t) strtoul(end+1, NULL, 0); else m->mask = ~0; } static int get_label(char *name) { int bit = nfct_labelmap_get_bit(labelmap, name); if (bit < 0) exit_error(PARAMETER_PROBLEM, "unknown label '%s'", name); return bit; } static void set_label(struct nfct_bitmask *b, char *name) { int bit = get_label(name); nfct_bitmask_set_bit(b, bit); } static unsigned int set_max_label(char *name, unsigned int current_max) { int bit = get_label(name); if ((unsigned int) bit > current_max) return (unsigned int) bit; return current_max; } static unsigned int parse_label_get_max(char *arg) { unsigned int max = 0; char *parse; while ((parse = strchr(arg, ',')) != NULL) { parse[0] = '\0'; max = set_max_label(arg, max); arg = &parse[1]; } max = set_max_label(arg, max); return max; } static void parse_label(struct nfct_bitmask *b, char *arg) { char * parse; while ((parse = strchr(arg, ',')) != NULL) { parse[0] = '\0'; set_label(b, arg); arg = &parse[1]; } set_label(b, arg); } static void add_command(unsigned int *cmd, const int newcmd) { if (*cmd) exit_error(PARAMETER_PROBLEM, "Invalid commands combination"); *cmd |= newcmd; } static char *get_optional_arg(int argc, char *argv[]) { char *arg = NULL; /* Nasty bug or feature in getopt_long ? * It seems that it behaves badly with optional arguments. * Fortunately, I just stole the fix from iptables ;) */ if (optarg) return arg; else if (optind < argc && argv[optind][0] != '-' && argv[optind][0] != '!') arg = argv[optind++]; return arg; } enum { CT_TABLE_CONNTRACK, CT_TABLE_EXPECT, CT_TABLE_DYING, CT_TABLE_UNCONFIRMED, }; static unsigned int check_type(int argc, char *argv[]) { const char *table = get_optional_arg(argc, argv); /* default to conntrack subsystem if nothing has been specified. */ if (table == NULL) return CT_TABLE_CONNTRACK; if (strncmp("expect", table, strlen(table)) == 0) return CT_TABLE_EXPECT; else if (strncmp("conntrack", table, strlen(table)) == 0) return CT_TABLE_CONNTRACK; else if (strncmp("dying", table, strlen(table)) == 0) return CT_TABLE_DYING; else if (strncmp("unconfirmed", table, strlen(table)) == 0) return CT_TABLE_UNCONFIRMED; else exit_error(PARAMETER_PROBLEM, "unknown type `%s'", table); return 0; } static void set_family(int *family, int new) { if (*family == AF_UNSPEC) *family = new; else if (*family != new) exit_error(PARAMETER_PROBLEM, "mismatched address family"); } struct addr_parse { struct in_addr addr; struct in6_addr addr6; unsigned int family; }; static int parse_inetaddr(const char *cp, struct addr_parse *parse) { if (inet_aton(cp, &parse->addr)) return AF_INET; #ifdef HAVE_INET_PTON_IPV6 else if (inet_pton(AF_INET6, cp, &parse->addr6) > 0) return AF_INET6; #endif return AF_UNSPEC; } union ct_address { uint32_t v4; uint32_t v6[4]; }; static int parse_addr(const char *cp, union ct_address *address) { struct addr_parse parse; int ret; if ((ret = parse_inetaddr(cp, &parse)) == AF_INET) address->v4 = parse.addr.s_addr; else if (ret == AF_INET6) memcpy(address->v6, &parse.addr6, sizeof(parse.addr6)); return ret; } static void nat_parse(char *arg, struct nf_conntrack *obj, int type) { char *colon, *error; union ct_address parse; colon = strchr(arg, ':'); if (colon) { uint16_t port; *colon = '\0'; port = (uint16_t)atoi(colon+1); if (port == 0) { if (strlen(colon+1) == 0) { exit_error(PARAMETER_PROBLEM, "No port specified after `:'"); } else { exit_error(PARAMETER_PROBLEM, "Port `%s' not valid", colon+1); } } error = strchr(colon+1, ':'); if (error) exit_error(PARAMETER_PROBLEM, "Invalid port:port syntax"); if (type == CT_OPT_SRC_NAT) nfct_set_attr_u16(tmpl.ct, ATTR_SNAT_PORT, ntohs(port)); else if (type == CT_OPT_DST_NAT) nfct_set_attr_u16(tmpl.ct, ATTR_DNAT_PORT, ntohs(port)); else if (type == CT_OPT_ANY_NAT) { nfct_set_attr_u16(tmpl.ct, ATTR_SNAT_PORT, ntohs(port)); nfct_set_attr_u16(tmpl.ct, ATTR_DNAT_PORT, ntohs(port)); } } if (parse_addr(arg, &parse) == AF_UNSPEC) { if (strlen(arg) == 0) { exit_error(PARAMETER_PROBLEM, "No IP specified"); } else { exit_error(PARAMETER_PROBLEM, "Invalid IP address `%s'", arg); } } if (type == CT_OPT_SRC_NAT || type == CT_OPT_ANY_NAT) nfct_set_attr_u32(tmpl.ct, ATTR_SNAT_IPV4, parse.v4); else if (type == CT_OPT_DST_NAT || type == CT_OPT_ANY_NAT) nfct_set_attr_u32(tmpl.ct, ATTR_DNAT_IPV4, parse.v4); } static void usage(char *prog) { fprintf(stdout, "Command line interface for the connection " "tracking system. Version %s\n", VERSION); fprintf(stdout, "Usage: %s [commands] [options]\n", prog); fprintf(stdout, "\n%s", usage_commands); fprintf(stdout, "\n%s", usage_tables); fprintf(stdout, "\n%s", usage_conntrack_parameters); fprintf(stdout, "\n%s", usage_expectation_parameters); fprintf(stdout, "\n%s", usage_update_parameters); fprintf(stdout, "\n%s\n", usage_parameters); } static unsigned int output_mask; static int filter_label(const struct nf_conntrack *ct) { if (tmpl.label == NULL) return 0; const struct nfct_bitmask *ctb = nfct_get_attr(ct, ATTR_CONNLABELS); if (ctb == NULL) return 1; for (unsigned int i = 0; i <= nfct_bitmask_maxbit(tmpl.label); i++) { if (nfct_bitmask_test_bit(tmpl.label, i) && !nfct_bitmask_test_bit(ctb, i)) return 1; } return 0; } static int filter_mark(const struct nf_conntrack *ct) { if ((options & CT_OPT_MARK) && !mark_cmp(&tmpl.mark, ct)) return 1; return 0; } static int filter_nat(const struct nf_conntrack *obj, const struct nf_conntrack *ct) { int check_srcnat = options & CT_OPT_SRC_NAT ? 1 : 0; int check_dstnat = options & CT_OPT_DST_NAT ? 1 : 0; int has_srcnat = 0, has_dstnat = 0; uint32_t ip; uint16_t port; if (options & CT_OPT_ANY_NAT) check_srcnat = check_dstnat = 1; if (check_srcnat) { int check_address = 0, check_port = 0; if (nfct_attr_is_set(obj, ATTR_SNAT_IPV4)) { check_address = 1; ip = nfct_get_attr_u32(obj, ATTR_SNAT_IPV4); if (nfct_getobjopt(ct, NFCT_GOPT_IS_SNAT) && ip == nfct_get_attr_u32(ct, ATTR_REPL_IPV4_DST)) has_srcnat = 1; } if (nfct_attr_is_set(obj, ATTR_SNAT_PORT)) { int ret = 0; check_port = 1; port = nfct_get_attr_u16(obj, ATTR_SNAT_PORT); if (nfct_getobjopt(ct, NFCT_GOPT_IS_SPAT) && port == nfct_get_attr_u16(ct, ATTR_REPL_PORT_DST)) ret = 1; /* the address matches but the port does not. */ if (check_address && has_srcnat && !ret) has_srcnat = 0; if (!check_address && ret) has_srcnat = 1; } if (!check_address && !check_port && (nfct_getobjopt(ct, NFCT_GOPT_IS_SNAT) || nfct_getobjopt(ct, NFCT_GOPT_IS_SPAT))) has_srcnat = 1; } if (check_dstnat) { int check_address = 0, check_port = 0; if (nfct_attr_is_set(obj, ATTR_DNAT_IPV4)) { check_address = 1; ip = nfct_get_attr_u32(obj, ATTR_DNAT_IPV4); if (nfct_getobjopt(ct, NFCT_GOPT_IS_DNAT) && ip == nfct_get_attr_u32(ct, ATTR_REPL_IPV4_SRC)) has_dstnat = 1; } if (nfct_attr_is_set(obj, ATTR_DNAT_PORT)) { int ret = 0; check_port = 1; port = nfct_get_attr_u16(obj, ATTR_DNAT_PORT); if (nfct_getobjopt(ct, NFCT_GOPT_IS_DPAT) && port == nfct_get_attr_u16(ct, ATTR_REPL_PORT_SRC)) ret = 1; /* the address matches but the port does not. */ if (check_address && has_dstnat && !ret) has_dstnat = 0; if (!check_address && ret) has_dstnat = 1; } if (!check_address && !check_port && (nfct_getobjopt(ct, NFCT_GOPT_IS_DNAT) || nfct_getobjopt(ct, NFCT_GOPT_IS_DPAT))) has_dstnat = 1; } if (options & CT_OPT_ANY_NAT) return !(has_srcnat || has_dstnat); else if ((options & CT_OPT_SRC_NAT) && (options & CT_OPT_DST_NAT)) return !(has_srcnat && has_dstnat); else if (options & CT_OPT_SRC_NAT) return !has_srcnat; else if (options & CT_OPT_DST_NAT) return !has_dstnat; return 0; } static int counter; static int dump_xml_header_done = 1; static void __attribute__((noreturn)) event_sighandler(int s) { if (dump_xml_header_done == 0) { printf("\n"); fflush(stdout); } fprintf(stderr, "%s v%s (conntrack-tools): ", PROGNAME, VERSION); fprintf(stderr, "%d flow events have been shown.\n", counter); nfct_close(cth); exit(0); } static void __attribute__((noreturn)) exp_event_sighandler(int s) { if (dump_xml_header_done == 0) { printf("\n"); fflush(stdout); } fprintf(stderr, "%s v%s (conntrack-tools): ", PROGNAME, VERSION); fprintf(stderr, "%d expectation events have been shown.\n", counter); nfct_close(cth); exit(0); } static int event_cb(enum nf_conntrack_msg_type type, struct nf_conntrack *ct, void *data) { char buf[1024]; struct nf_conntrack *obj = data; unsigned int op_type = NFCT_O_DEFAULT; unsigned int op_flags = 0; if (filter_nat(obj, ct)) return NFCT_CB_CONTINUE; if (filter_mark(ct)) return NFCT_CB_CONTINUE; if (filter_label(ct)) return NFCT_CB_CONTINUE; if (options & CT_COMPARISON && !nfct_cmp(obj, ct, NFCT_CMP_ALL | NFCT_CMP_MASK)) return NFCT_CB_CONTINUE; if (output_mask & _O_XML) { op_type = NFCT_O_XML; if (dump_xml_header_done) { dump_xml_header_done = 0; printf("\n" "\n"); } } if (output_mask & _O_EXT) op_flags = NFCT_OF_SHOW_LAYER3; if (output_mask & _O_TMS) { if (!(output_mask & _O_XML)) { struct timeval tv; gettimeofday(&tv, NULL); printf("[%-.8ld.%-.6ld]\t", tv.tv_sec, tv.tv_usec); } else op_flags |= NFCT_OF_TIME; } if (output_mask & _O_KTMS) op_flags |= NFCT_OF_TIMESTAMP; if (output_mask & _O_ID) op_flags |= NFCT_OF_ID; nfct_snprintf_labels(buf, sizeof(buf), ct, type, op_type, op_flags, labelmap); printf("%s\n", buf); fflush(stdout); counter++; return NFCT_CB_CONTINUE; } static int dump_cb(enum nf_conntrack_msg_type type, struct nf_conntrack *ct, void *data) { char buf[1024]; struct nf_conntrack *obj = data; unsigned int op_type = NFCT_O_DEFAULT; unsigned int op_flags = 0; if (filter_nat(obj, ct)) return NFCT_CB_CONTINUE; if (filter_mark(ct)) return NFCT_CB_CONTINUE; if (filter_label(ct)) return NFCT_CB_CONTINUE; if (options & CT_COMPARISON && !nfct_cmp(obj, ct, NFCT_CMP_ALL | NFCT_CMP_MASK)) return NFCT_CB_CONTINUE; if (output_mask & _O_XML) { op_type = NFCT_O_XML; if (dump_xml_header_done) { dump_xml_header_done = 0; printf("\n" "\n"); } } if (output_mask & _O_EXT) op_flags = NFCT_OF_SHOW_LAYER3; if (output_mask & _O_KTMS) op_flags |= NFCT_OF_TIMESTAMP; if (output_mask & _O_ID) op_flags |= NFCT_OF_ID; nfct_snprintf_labels(buf, sizeof(buf), ct, NFCT_T_UNKNOWN, op_type, op_flags, labelmap); printf("%s\n", buf); counter++; return NFCT_CB_CONTINUE; } static int delete_cb(enum nf_conntrack_msg_type type, struct nf_conntrack *ct, void *data) { int res; char buf[1024]; struct nf_conntrack *obj = data; unsigned int op_type = NFCT_O_DEFAULT; unsigned int op_flags = 0; if (filter_nat(obj, ct)) return NFCT_CB_CONTINUE; if (filter_mark(ct)) return NFCT_CB_CONTINUE; if (options & CT_COMPARISON && !nfct_cmp(obj, ct, NFCT_CMP_ALL | NFCT_CMP_MASK)) return NFCT_CB_CONTINUE; res = nfct_query(ith, NFCT_Q_DESTROY, ct); if (res < 0) exit_error(OTHER_PROBLEM, "Operation failed: %s", err2str(errno, CT_DELETE)); if (output_mask & _O_XML) op_type = NFCT_O_XML; if (output_mask & _O_EXT) op_flags = NFCT_OF_SHOW_LAYER3; if (output_mask & _O_ID) op_flags |= NFCT_OF_ID; nfct_snprintf(buf, sizeof(buf), ct, NFCT_T_UNKNOWN, op_type, op_flags); printf("%s\n", buf); counter++; return NFCT_CB_CONTINUE; } static int print_cb(enum nf_conntrack_msg_type type, struct nf_conntrack *ct, void *data) { char buf[1024]; unsigned int op_type = NFCT_O_DEFAULT; unsigned int op_flags = 0; if (output_mask & _O_XML) op_type = NFCT_O_XML; if (output_mask & _O_EXT) op_flags = NFCT_OF_SHOW_LAYER3; if (output_mask & _O_ID) op_flags |= NFCT_OF_ID; nfct_snprintf_labels(buf, sizeof(buf), ct, NFCT_T_UNKNOWN, op_type, op_flags, labelmap); printf("%s\n", buf); return NFCT_CB_CONTINUE; } static void copy_mark(struct nf_conntrack *tmp, const struct nf_conntrack *ct, const struct u32_mask *m) { if (options & CT_OPT_MARK) { uint32_t mark = nfct_get_attr_u32(ct, ATTR_MARK); mark = (mark & ~m->mask) ^ m->value; nfct_set_attr_u32(tmp, ATTR_MARK, mark); } } static void copy_status(struct nf_conntrack *tmp, const struct nf_conntrack *ct) { if (options & CT_OPT_STATUS) { /* copy existing flags, we only allow setting them. */ uint32_t status = nfct_get_attr_u32(ct, ATTR_STATUS); status |= nfct_get_attr_u32(tmp, ATTR_STATUS); nfct_set_attr_u32(tmp, ATTR_STATUS, status); } } static struct nfct_bitmask *xnfct_bitmask_clone(const struct nfct_bitmask *a) { struct nfct_bitmask *b = nfct_bitmask_clone(a); if (!b) exit_error(OTHER_PROBLEM, "out of memory"); return b; } static void copy_label(struct nf_conntrack *tmp, const struct nf_conntrack *ct) { struct nfct_bitmask *ctb, *newmask; unsigned int i; if ((options & (CT_OPT_ADD_LABEL|CT_OPT_DEL_LABEL)) == 0) return; nfct_copy_attr(tmp, ct, ATTR_CONNLABELS); ctb = (void *) nfct_get_attr(tmp, ATTR_CONNLABELS); if (options & CT_OPT_ADD_LABEL) { if (ctb == NULL) { nfct_set_attr(tmp, ATTR_CONNLABELS, xnfct_bitmask_clone(tmpl.label_modify)); return; } /* If we send a bitmask shorter than the kernel sent to us, the bits we * omit will be cleared (as "padding"). So we always have to send the * same sized bitmask as we received. * * Mask has to have the same size as the labels, otherwise it will not * be encoded by libnetfilter_conntrack, as different sizes are not * accepted by the kernel. */ newmask = nfct_bitmask_new(nfct_bitmask_maxbit(ctb)); for (i = 0; i <= nfct_bitmask_maxbit(ctb); i++) { if (nfct_bitmask_test_bit(tmpl.label_modify, i)) { nfct_bitmask_set_bit(ctb, i); nfct_bitmask_set_bit(newmask, i); } else if (nfct_bitmask_test_bit(ctb, i)) { /* Kernel only retains old bit values that are sent as * zeroes in BOTH labels and mask. */ nfct_bitmask_unset_bit(ctb, i); } } nfct_set_attr(tmp, ATTR_CONNLABELS_MASK, newmask); } else if (ctb != NULL) { /* CT_OPT_DEL_LABEL */ if (tmpl.label_modify == NULL) { newmask = nfct_bitmask_new(0); if (newmask) nfct_set_attr(tmp, ATTR_CONNLABELS, newmask); return; } for (i = 0; i <= nfct_bitmask_maxbit(ctb); i++) { if (nfct_bitmask_test_bit(tmpl.label_modify, i)) nfct_bitmask_unset_bit(ctb, i); } newmask = xnfct_bitmask_clone(tmpl.label_modify); nfct_set_attr(tmp, ATTR_CONNLABELS_MASK, newmask); } } static int update_cb(enum nf_conntrack_msg_type type, struct nf_conntrack *ct, void *data) { int res; struct nf_conntrack *obj = data, *tmp; if (filter_nat(obj, ct)) return NFCT_CB_CONTINUE; if (nfct_attr_is_set(obj, ATTR_ID) && nfct_attr_is_set(ct, ATTR_ID) && nfct_get_attr_u32(obj, ATTR_ID) != nfct_get_attr_u32(ct, ATTR_ID)) return NFCT_CB_CONTINUE; if (options & CT_OPT_TUPLE_ORIG && !nfct_cmp(obj, ct, NFCT_CMP_ORIG)) return NFCT_CB_CONTINUE; if (options & CT_OPT_TUPLE_REPL && !nfct_cmp(obj, ct, NFCT_CMP_REPL)) return NFCT_CB_CONTINUE; if (filter_label(ct)) return NFCT_CB_CONTINUE; tmp = nfct_new(); if (tmp == NULL) exit_error(OTHER_PROBLEM, "out of memory"); nfct_copy(tmp, ct, NFCT_CP_ORIG); nfct_copy(tmp, obj, NFCT_CP_META); copy_mark(tmp, ct, &tmpl.mark); copy_status(tmp, ct); copy_label(tmp, ct); /* do not send NFCT_Q_UPDATE if ct appears unchanged */ if (nfct_cmp(tmp, ct, NFCT_CMP_ALL | NFCT_CMP_MASK)) { nfct_destroy(tmp); return NFCT_CB_CONTINUE; } res = nfct_query(ith, NFCT_Q_UPDATE, tmp); if (res < 0) fprintf(stderr, "Operation failed: %s\n", err2str(errno, CT_UPDATE)); nfct_callback_register(ith, NFCT_T_ALL, print_cb, NULL); res = nfct_query(ith, NFCT_Q_GET, tmp); if (res < 0) { nfct_destroy(tmp); /* the entry has vanish in middle of the update */ if (errno == ENOENT) { nfct_callback_unregister(ith); return NFCT_CB_CONTINUE; } exit_error(OTHER_PROBLEM, "Operation failed: %s", err2str(errno, CT_UPDATE)); } nfct_destroy(tmp); nfct_callback_unregister(ith); counter++; return NFCT_CB_CONTINUE; } static int dump_exp_cb(enum nf_conntrack_msg_type type, struct nf_expect *exp, void *data) { char buf[1024]; unsigned int op_type = NFCT_O_DEFAULT; unsigned int op_flags = 0; if (output_mask & _O_XML) { op_type = NFCT_O_XML; if (dump_xml_header_done) { dump_xml_header_done = 0; printf("\n" "\n"); } } if (output_mask & _O_TMS) { if (!(output_mask & _O_XML)) { struct timeval tv; gettimeofday(&tv, NULL); printf("[%-8ld.%-6ld]\t", tv.tv_sec, tv.tv_usec); } else op_flags |= NFCT_OF_TIME; } nfexp_snprintf(buf,sizeof(buf), exp, NFCT_T_UNKNOWN, op_type, op_flags); printf("%s\n", buf); counter++; return NFCT_CB_CONTINUE; } static int event_exp_cb(enum nf_conntrack_msg_type type, struct nf_expect *exp, void *data) { char buf[1024]; unsigned int op_type = NFCT_O_DEFAULT; unsigned int op_flags = 0; if (output_mask & _O_XML) { op_type = NFCT_O_XML; if (dump_xml_header_done) { dump_xml_header_done = 0; printf("\n" "\n"); } } if (output_mask & _O_TMS) { if (!(output_mask & _O_XML)) { struct timeval tv; gettimeofday(&tv, NULL); printf("[%-8ld.%-6ld]\t", tv.tv_sec, tv.tv_usec); } else op_flags |= NFCT_OF_TIME; } nfexp_snprintf(buf,sizeof(buf), exp, type, op_type, op_flags); printf("%s\n", buf); fflush(stdout); counter++; return NFCT_CB_CONTINUE; } static int count_exp_cb(enum nf_conntrack_msg_type type, struct nf_expect *exp, void *data) { counter++; return NFCT_CB_CONTINUE; } #ifndef CT_STATS_PROC #define CT_STATS_PROC "/proc/net/stat/nf_conntrack" #endif /* As of 2.6.29, we have 16 entries, this is enough */ #ifndef CT_STATS_ENTRIES_MAX #define CT_STATS_ENTRIES_MAX 64 #endif /* maximum string length currently is 13 characters */ #ifndef CT_STATS_STRING_MAX #define CT_STATS_STRING_MAX 64 #endif static int display_proc_conntrack_stats(void) { int ret = 0; FILE *fd; char buf[4096], *token, *nl; char output[CT_STATS_ENTRIES_MAX][CT_STATS_STRING_MAX]; unsigned int value[CT_STATS_ENTRIES_MAX], i, max; fd = fopen(CT_STATS_PROC, "r"); if (fd == NULL) return -1; if (fgets(buf, sizeof(buf), fd) == NULL) { ret = -1; goto out_err; } /* trim off trailing \n */ nl = strchr(buf, '\n'); if (nl != NULL) *nl = '\0'; token = strtok(buf, " "); for (i=0; token != NULL && inlmsg_type = (subsys << 8) | type; nlh->nlmsg_flags = NLM_F_REQUEST|NLM_F_DUMP; nlh->nlmsg_seq = time(NULL); nfh = mnl_nlmsg_put_extra_header(nlh, sizeof(struct nfgenmsg)); nfh->nfgen_family = family; nfh->version = NFNETLINK_V0; nfh->res_id = 0; return nlh; } static void nfct_mnl_socket_close(void) { mnl_socket_close(sock.mnl); } static int nfct_mnl_dump(uint16_t subsys, uint16_t type, mnl_cb_t cb, uint8_t family) { char buf[MNL_SOCKET_BUFFER_SIZE]; struct nlmsghdr *nlh; int res; nlh = nfct_mnl_nlmsghdr_put(buf, subsys, type, family); res = mnl_socket_sendto(sock.mnl, nlh, nlh->nlmsg_len); if (res < 0) return res; res = mnl_socket_recvfrom(sock.mnl, buf, sizeof(buf)); while (res > 0) { res = mnl_cb_run(buf, res, nlh->nlmsg_seq, sock.portid, cb, NULL); if (res <= MNL_CB_STOP) break; res = mnl_socket_recvfrom(sock.mnl, buf, sizeof(buf)); } return res; } static int nfct_mnl_get(uint16_t subsys, uint16_t type, mnl_cb_t cb, uint8_t family) { char buf[MNL_SOCKET_BUFFER_SIZE]; struct nlmsghdr *nlh; int res; nlh = nfct_mnl_nlmsghdr_put(buf, subsys, type, family); res = mnl_socket_sendto(sock.mnl, nlh, nlh->nlmsg_len); if (res < 0) return res; res = mnl_socket_recvfrom(sock.mnl, buf, sizeof(buf)); if (res < 0) return res; return mnl_cb_run(buf, res, nlh->nlmsg_seq, sock.portid, cb, NULL); } static int nfct_stats_attr_cb(const struct nlattr *attr, void *data) { const struct nlattr **tb = data; int type = mnl_attr_get_type(attr); if (mnl_attr_type_valid(attr, CTA_STATS_MAX) < 0) return MNL_CB_OK; if (mnl_attr_validate(attr, MNL_TYPE_U32) < 0) { perror("mnl_attr_validate"); return MNL_CB_ERROR; } tb[type] = attr; return MNL_CB_OK; } static int nfct_stats_cb(const struct nlmsghdr *nlh, void *data) { struct nlattr *tb[CTA_STATS_MAX+1] = {}; struct nfgenmsg *nfg = mnl_nlmsg_get_payload(nlh); const char *attr2name[CTA_STATS_MAX+1] = { [CTA_STATS_SEARCHED] = "searched", [CTA_STATS_FOUND] = "found", [CTA_STATS_NEW] = "new", [CTA_STATS_INVALID] = "invalid", [CTA_STATS_IGNORE] = "ignore", [CTA_STATS_DELETE] = "delete", [CTA_STATS_DELETE_LIST] = "delete_list", [CTA_STATS_INSERT] = "insert", [CTA_STATS_INSERT_FAILED] = "insert_failed", [CTA_STATS_DROP] = "drop", [CTA_STATS_EARLY_DROP] = "early_drop", [CTA_STATS_ERROR] = "error", [CTA_STATS_SEARCH_RESTART] = "search_restart", }; int i; mnl_attr_parse(nlh, sizeof(*nfg), nfct_stats_attr_cb, tb); printf("cpu=%-4u\t", ntohs(nfg->res_id)); for (i=0; ires_id)); for (i=0; i nfct_bitmask_maxbit(*current)) { struct nfct_bitmask *tmp = *current; *current = src; src = tmp; } for (i = 0; i <= nfct_bitmask_maxbit(src); i++) { if (nfct_bitmask_test_bit(src, i)) nfct_bitmask_set_bit(*current, i); } nfct_bitmask_destroy(src); } static void nfct_set_addr_from_opt(int opt, struct nf_conntrack *ct, union ct_address *ad, int *family) { int l3protonum; options |= opt2type[opt]; l3protonum = parse_addr(optarg, ad); if (l3protonum == AF_UNSPEC) { exit_error(PARAMETER_PROBLEM, "Invalid IP address `%s'", optarg); } set_family(family, l3protonum); if (l3protonum == AF_INET) { nfct_set_attr_u32(ct, opt2family_attr[opt][0], ad->v4); } else if (l3protonum == AF_INET6) { nfct_set_attr(ct, opt2family_attr[opt][1], &ad->v6); } nfct_set_attr_u8(ct, opt2attr[opt], l3protonum); } int main(int argc, char *argv[]) { int c, cmd; unsigned int type = 0, event_mask = 0, l4flags = 0, status = 0; int res = 0, partial; size_t socketbuffersize = 0; int family = AF_UNSPEC; int protonum = 0; union ct_address ad; unsigned int command = 0; /* we release these objects in the exit_error() path. */ if (!alloc_tmpl_objects()) exit_error(OTHER_PROBLEM, "out of memory"); register_tcp(); register_udp(); register_udplite(); register_sctp(); register_dccp(); register_icmp(); register_icmpv6(); register_gre(); register_unknown(); /* disable explicit missing arguments error output from getopt_long */ opterr = 0; while ((c = getopt_long(argc, argv, getopt_str, opts, NULL)) != -1) { switch(c) { /* commands */ case 'L': type = check_type(argc, argv); /* Special case: dumping dying and unconfirmed list * are handled like normal conntrack dumps. */ if (type == CT_TABLE_DYING || type == CT_TABLE_UNCONFIRMED) add_command(&command, cmd2type[c][0]); else add_command(&command, cmd2type[c][type]); break; case 'I': case 'D': case 'G': case 'F': case 'E': case 'V': case 'h': case 'C': case 'S': type = check_type(argc, argv); if (type == CT_TABLE_DYING || type == CT_TABLE_UNCONFIRMED) { exit_error(PARAMETER_PROBLEM, "Can't do that command with " "tables `dying' and `unconfirmed'"); } add_command(&command, cmd2type[c][type]); break; case 'U': type = check_type(argc, argv); if (type == CT_TABLE_DYING || type == CT_TABLE_UNCONFIRMED) { exit_error(PARAMETER_PROBLEM, "Can't do that command with " "tables `dying' and `unconfirmed'"); } else if (type == CT_TABLE_CONNTRACK) add_command(&command, CT_UPDATE); else exit_error(PARAMETER_PROBLEM, "Can't update expectations"); break; /* options */ case 's': case 'd': case 'r': case 'q': nfct_set_addr_from_opt(c, tmpl.ct, &ad, &family); break; case '{': case '}': nfct_set_addr_from_opt(c, tmpl.exptuple, &ad, &family); break; case '[': case ']': nfct_set_addr_from_opt(c, tmpl.mask, &ad, &family); break; case 'p': options |= CT_OPT_PROTO; h = findproto(optarg, &protonum); if (!h) exit_error(PARAMETER_PROBLEM, "`%s' unsupported protocol", optarg); opts = merge_options(opts, h->opts, &h->option_offset); if (opts == NULL) exit_error(OTHER_PROBLEM, "out of memory"); nfct_set_attr_u8(tmpl.ct, ATTR_L4PROTO, protonum); break; case 't': options |= CT_OPT_TIMEOUT; nfct_set_attr_u32(tmpl.ct, ATTR_TIMEOUT, atol(optarg)); nfexp_set_attr_u32(tmpl.exp, ATTR_EXP_TIMEOUT, atol(optarg)); break; case 'u': options |= CT_OPT_STATUS; parse_parameter(optarg, &status, PARSE_STATUS); nfct_set_attr_u32(tmpl.ct, ATTR_STATUS, status); break; case 'e': options |= CT_OPT_EVENT_MASK; parse_parameter(optarg, &event_mask, PARSE_EVENT); break; case 'o': options |= CT_OPT_OUTPUT; parse_parameter(optarg, &output_mask, PARSE_OUTPUT); if (output_mask & _O_CL) labelmap_init(); break; case 'z': options |= CT_OPT_ZERO; break; case 'n': case 'g': case 'j': { char *tmp = NULL; options |= opt2type[c]; tmp = get_optional_arg(argc, argv); if (tmp == NULL) continue; set_family(&family, AF_INET); nat_parse(tmp, tmpl.ct, opt2type[c]); break; } case 'w': options |= opt2type[c]; nfct_set_attr_u16(tmpl.ct, opt2attr[c], strtoul(optarg, NULL, 0)); break; case 'i': case 'c': options |= opt2type[c]; nfct_set_attr_u32(tmpl.ct, opt2attr[c], strtoul(optarg, NULL, 0)); break; case 'm': options |= opt2type[c]; parse_u32_mask(optarg, &tmpl.mark); tmpl.filter_mark_kernel.val = tmpl.mark.value; tmpl.filter_mark_kernel.mask = tmpl.mark.mask; break; case 'l': case '<': case '>': options |= opt2type[c]; labelmap_init(); if ((options & (CT_OPT_DEL_LABEL|CT_OPT_ADD_LABEL)) == (CT_OPT_DEL_LABEL|CT_OPT_ADD_LABEL)) exit_error(OTHER_PROBLEM, "cannot use --label-add and " "--label-del at the same time"); if (c == '>') { /* DELETE */ char *tmp = get_optional_arg(argc, argv); if (tmp == NULL) /* delete all labels */ break; optarg = tmp; } char *optarg2 = strdup(optarg); unsigned int max = parse_label_get_max(optarg); struct nfct_bitmask * b = nfct_bitmask_new(max); if (!b) exit_error(OTHER_PROBLEM, "out of memory"); parse_label(b, optarg2); /* join "-l foo -l bar" into single bitmask object */ if (c == 'l') { merge_bitmasks(&tmpl.label, b); } else { merge_bitmasks(&tmpl.label_modify, b); } free(optarg2); break; case 'a': fprintf(stderr, "WARNING: ignoring -%c, " "deprecated option.\n", c); break; case 'f': options |= CT_OPT_FAMILY; if (strncmp(optarg, "ipv4", strlen("ipv4")) == 0) set_family(&family, AF_INET); else if (strncmp(optarg, "ipv6", strlen("ipv6")) == 0) set_family(&family, AF_INET6); else exit_error(PARAMETER_PROBLEM, "`%s' unsupported protocol", optarg); break; case 'b': socketbuffersize = atol(optarg); options |= CT_OPT_BUFFERSIZE; break; case ':': exit_error(PARAMETER_PROBLEM, "option `%s' requires an " "argument", argv[optind-1]); case '?': exit_error(PARAMETER_PROBLEM, "unknown option `%s'", argv[optind-1]); break; default: if (h && h->parse_opts &&!h->parse_opts(c - h->option_offset, tmpl.ct, tmpl.exptuple, tmpl.mask, &l4flags)) exit_error(PARAMETER_PROBLEM, "parse error"); break; } } /* default family */ if (family == AF_UNSPEC) family = AF_INET; /* we cannot check this combination with generic_opt_check. */ if (options & CT_OPT_ANY_NAT && ((options & CT_OPT_SRC_NAT) || (options & CT_OPT_DST_NAT))) { exit_error(PARAMETER_PROBLEM, "cannot specify `--src-nat' or " "`--dst-nat' with `--any-nat'"); } cmd = bit2cmd(command); res = generic_opt_check(options, NUMBER_OF_OPT, commands_v_options[cmd], optflags, addr_valid_flags, ADDR_VALID_FLAGS_MAX, &partial); if (!res) { switch(partial) { case -1: case 0: exit_error(PARAMETER_PROBLEM, "you have to specify " "`--src' and `--dst'"); break; case 1: exit_error(PARAMETER_PROBLEM, "you have to specify " "`--reply-src' and " "`--reply-dst'"); break; } } if (!(command & CT_HELP) && h && h->final_check) h->final_check(l4flags, cmd, tmpl.ct); switch(command) { struct nfct_filter_dump *filter_dump; case CT_LIST: if (type == CT_TABLE_DYING) { if (nfct_mnl_socket_open() < 0) exit_error(OTHER_PROBLEM, "Can't open handler"); res = nfct_mnl_dump(NFNL_SUBSYS_CTNETLINK, IPCTNL_MSG_CT_GET_DYING, mnl_nfct_dump_cb, family); nfct_mnl_socket_close(); break; } else if (type == CT_TABLE_UNCONFIRMED) { if (nfct_mnl_socket_open() < 0) exit_error(OTHER_PROBLEM, "Can't open handler"); res = nfct_mnl_dump(NFNL_SUBSYS_CTNETLINK, IPCTNL_MSG_CT_GET_UNCONFIRMED, mnl_nfct_dump_cb, family); nfct_mnl_socket_close(); break; } cth = nfct_open(CONNTRACK, 0); if (!cth) exit_error(OTHER_PROBLEM, "Can't open handler"); if (options & CT_COMPARISON && options & CT_OPT_ZERO) exit_error(PARAMETER_PROBLEM, "Can't use -z with " "filtering parameters"); nfct_callback_register(cth, NFCT_T_ALL, dump_cb, tmpl.ct); filter_dump = nfct_filter_dump_create(); if (filter_dump == NULL) exit_error(OTHER_PROBLEM, "OOM"); nfct_filter_dump_set_attr(filter_dump, NFCT_FILTER_DUMP_MARK, &tmpl.filter_mark_kernel); nfct_filter_dump_set_attr_u8(filter_dump, NFCT_FILTER_DUMP_L3NUM, family); if (options & CT_OPT_ZERO) res = nfct_query(cth, NFCT_Q_DUMP_FILTER_RESET, filter_dump); else res = nfct_query(cth, NFCT_Q_DUMP_FILTER, filter_dump); nfct_filter_dump_destroy(filter_dump); if (dump_xml_header_done == 0) { printf("\n"); fflush(stdout); } nfct_close(cth); break; case EXP_LIST: cth = nfct_open(EXPECT, 0); if (!cth) exit_error(OTHER_PROBLEM, "Can't open handler"); nfexp_callback_register(cth, NFCT_T_ALL, dump_exp_cb, NULL); res = nfexp_query(cth, NFCT_Q_DUMP, &family); nfct_close(cth); if (dump_xml_header_done == 0) { printf("\n"); fflush(stdout); } break; case CT_CREATE: if ((options & CT_OPT_ORIG) && !(options & CT_OPT_REPL)) nfct_setobjopt(tmpl.ct, NFCT_SOPT_SETUP_REPLY); else if (!(options & CT_OPT_ORIG) && (options & CT_OPT_REPL)) nfct_setobjopt(tmpl.ct, NFCT_SOPT_SETUP_ORIGINAL); if (options & CT_OPT_MARK) nfct_set_attr_u32(tmpl.ct, ATTR_MARK, tmpl.mark.value); if (options & CT_OPT_ADD_LABEL) nfct_set_attr(tmpl.ct, ATTR_CONNLABELS, xnfct_bitmask_clone(tmpl.label_modify)); cth = nfct_open(CONNTRACK, 0); if (!cth) exit_error(OTHER_PROBLEM, "Can't open handler"); res = nfct_query(cth, NFCT_Q_CREATE, tmpl.ct); if (res != -1) counter++; nfct_close(cth); break; case EXP_CREATE: nfexp_set_attr(tmpl.exp, ATTR_EXP_MASTER, tmpl.ct); nfexp_set_attr(tmpl.exp, ATTR_EXP_EXPECTED, tmpl.exptuple); nfexp_set_attr(tmpl.exp, ATTR_EXP_MASK, tmpl.mask); cth = nfct_open(EXPECT, 0); if (!cth) exit_error(OTHER_PROBLEM, "Can't open handler"); res = nfexp_query(cth, NFCT_Q_CREATE, tmpl.exp); nfct_close(cth); break; case CT_UPDATE: cth = nfct_open(CONNTRACK, 0); /* internal handler for delete_cb, otherwise we hit EILSEQ */ ith = nfct_open(CONNTRACK, 0); if (!cth || !ith) exit_error(OTHER_PROBLEM, "Can't open handler"); nfct_callback_register(cth, NFCT_T_ALL, update_cb, tmpl.ct); res = nfct_query(cth, NFCT_Q_DUMP, &family); nfct_close(ith); nfct_close(cth); break; case CT_DELETE: cth = nfct_open(CONNTRACK, 0); ith = nfct_open(CONNTRACK, 0); if (!cth || !ith) exit_error(OTHER_PROBLEM, "Can't open handler"); nfct_callback_register(cth, NFCT_T_ALL, delete_cb, tmpl.ct); filter_dump = nfct_filter_dump_create(); if (filter_dump == NULL) exit_error(OTHER_PROBLEM, "OOM"); nfct_filter_dump_set_attr(filter_dump, NFCT_FILTER_DUMP_MARK, &tmpl.filter_mark_kernel); nfct_filter_dump_set_attr_u8(filter_dump, NFCT_FILTER_DUMP_L3NUM, family); res = nfct_query(cth, NFCT_Q_DUMP_FILTER, filter_dump); nfct_filter_dump_destroy(filter_dump); nfct_close(ith); nfct_close(cth); break; case EXP_DELETE: nfexp_set_attr(tmpl.exp, ATTR_EXP_EXPECTED, tmpl.ct); cth = nfct_open(EXPECT, 0); if (!cth) exit_error(OTHER_PROBLEM, "Can't open handler"); res = nfexp_query(cth, NFCT_Q_DESTROY, tmpl.exp); nfct_close(cth); break; case CT_GET: cth = nfct_open(CONNTRACK, 0); if (!cth) exit_error(OTHER_PROBLEM, "Can't open handler"); nfct_callback_register(cth, NFCT_T_ALL, dump_cb, tmpl.ct); res = nfct_query(cth, NFCT_Q_GET, tmpl.ct); nfct_close(cth); break; case EXP_GET: nfexp_set_attr(tmpl.exp, ATTR_EXP_MASTER, tmpl.ct); cth = nfct_open(EXPECT, 0); if (!cth) exit_error(OTHER_PROBLEM, "Can't open handler"); nfexp_callback_register(cth, NFCT_T_ALL, dump_exp_cb, NULL); res = nfexp_query(cth, NFCT_Q_GET, tmpl.exp); nfct_close(cth); break; case CT_FLUSH: cth = nfct_open(CONNTRACK, 0); if (!cth) exit_error(OTHER_PROBLEM, "Can't open handler"); res = nfct_query(cth, NFCT_Q_FLUSH, &family); nfct_close(cth); fprintf(stderr, "%s v%s (conntrack-tools): ",PROGNAME,VERSION); fprintf(stderr,"connection tracking table has been emptied.\n"); break; case EXP_FLUSH: cth = nfct_open(EXPECT, 0); if (!cth) exit_error(OTHER_PROBLEM, "Can't open handler"); res = nfexp_query(cth, NFCT_Q_FLUSH, &family); nfct_close(cth); fprintf(stderr, "%s v%s (conntrack-tools): ",PROGNAME,VERSION); fprintf(stderr,"expectation table has been emptied.\n"); break; case CT_EVENT: if (options & CT_OPT_EVENT_MASK) { unsigned int nl_events = 0; if (event_mask & CT_EVENT_F_NEW) nl_events |= NF_NETLINK_CONNTRACK_NEW; if (event_mask & CT_EVENT_F_UPD) nl_events |= NF_NETLINK_CONNTRACK_UPDATE; if (event_mask & CT_EVENT_F_DEL) nl_events |= NF_NETLINK_CONNTRACK_DESTROY; cth = nfct_open(CONNTRACK, nl_events); } else { cth = nfct_open(CONNTRACK, NF_NETLINK_CONNTRACK_NEW | NF_NETLINK_CONNTRACK_UPDATE | NF_NETLINK_CONNTRACK_DESTROY); } if (!cth) exit_error(OTHER_PROBLEM, "Can't open handler"); if (options & CT_OPT_BUFFERSIZE) { size_t ret; ret = nfnl_rcvbufsiz(nfct_nfnlh(cth), socketbuffersize); fprintf(stderr, "NOTICE: Netlink socket buffer size " "has been set to %zu bytes.\n", ret); } signal(SIGINT, event_sighandler); signal(SIGTERM, event_sighandler); nfct_callback_register(cth, NFCT_T_ALL, event_cb, tmpl.ct); res = nfct_catch(cth); if (res == -1) { if (errno == ENOBUFS) { fprintf(stderr, "WARNING: We have hit ENOBUFS! We " "are losing events.\nThis message " "means that the current netlink " "socket buffer size is too small.\n" "Please, check --buffer-size in " "conntrack(8) manpage.\n"); } } nfct_close(cth); break; case EXP_EVENT: if (options & CT_OPT_EVENT_MASK) { unsigned int nl_events = 0; if (event_mask & CT_EVENT_F_NEW) nl_events |= NF_NETLINK_CONNTRACK_EXP_NEW; if (event_mask & CT_EVENT_F_UPD) nl_events |= NF_NETLINK_CONNTRACK_EXP_UPDATE; if (event_mask & CT_EVENT_F_DEL) nl_events |= NF_NETLINK_CONNTRACK_EXP_DESTROY; cth = nfct_open(CONNTRACK, nl_events); } else { cth = nfct_open(EXPECT, NF_NETLINK_CONNTRACK_EXP_NEW | NF_NETLINK_CONNTRACK_EXP_UPDATE | NF_NETLINK_CONNTRACK_EXP_DESTROY); } if (!cth) exit_error(OTHER_PROBLEM, "Can't open handler"); signal(SIGINT, exp_event_sighandler); signal(SIGTERM, exp_event_sighandler); nfexp_callback_register(cth, NFCT_T_ALL, event_exp_cb, NULL); res = nfexp_catch(cth); nfct_close(cth); break; case CT_COUNT: /* If we fail with netlink, fall back to /proc to ensure * backward compatibility. */ if (nfct_mnl_socket_open() < 0) goto try_proc_count; res = nfct_mnl_get(NFNL_SUBSYS_CTNETLINK, IPCTNL_MSG_CT_GET_STATS, nfct_global_stats_cb, AF_UNSPEC); nfct_mnl_socket_close(); /* don't look at /proc, we got the information via ctnetlink */ if (res >= 0) break; try_proc_count: { #define NF_CONNTRACK_COUNT_PROC "/proc/sys/net/netfilter/nf_conntrack_count" FILE *fd; int count; fd = fopen(NF_CONNTRACK_COUNT_PROC, "r"); if (fd == NULL) { exit_error(OTHER_PROBLEM, "Can't open %s", NF_CONNTRACK_COUNT_PROC); } if (fscanf(fd, "%d", &count) != 1) { exit_error(OTHER_PROBLEM, "Can't read %s", NF_CONNTRACK_COUNT_PROC); } fclose(fd); printf("%d\n", count); break; } case EXP_COUNT: cth = nfct_open(EXPECT, 0); if (!cth) exit_error(OTHER_PROBLEM, "Can't open handler"); nfexp_callback_register(cth, NFCT_T_ALL, count_exp_cb, NULL); res = nfexp_query(cth, NFCT_Q_DUMP, &family); nfct_close(cth); printf("%d\n", counter); break; case CT_STATS: /* If we fail with netlink, fall back to /proc to ensure * backward compatibility. */ if (nfct_mnl_socket_open() < 0) goto try_proc; res = nfct_mnl_dump(NFNL_SUBSYS_CTNETLINK, IPCTNL_MSG_CT_GET_STATS_CPU, nfct_stats_cb, AF_UNSPEC); nfct_mnl_socket_close(); /* don't look at /proc, we got the information via ctnetlink */ if (res >= 0) break; goto try_proc; case EXP_STATS: /* If we fail with netlink, fall back to /proc to ensure * backward compatibility. */ if (nfct_mnl_socket_open() < 0) goto try_proc; res = nfct_mnl_dump(NFNL_SUBSYS_CTNETLINK_EXP, IPCTNL_MSG_EXP_GET_STATS_CPU, nfexp_stats_cb, AF_UNSPEC); nfct_mnl_socket_close(); /* don't look at /proc, we got the information via ctnetlink */ if (res >= 0) break; try_proc: if (display_proc_conntrack_stats() < 0) exit_error(OTHER_PROBLEM, "Can't open /proc interface"); break; case CT_VERSION: printf("%s v%s (conntrack-tools)\n", PROGNAME, VERSION); break; case CT_HELP: usage(argv[0]); if (options & CT_OPT_PROTO) extension_help(h, protonum); break; default: usage(argv[0]); break; } if (res < 0) exit_error(OTHER_PROBLEM, "Operation failed: %s", err2str(errno, command)); free_tmpl_objects(); free_options(); if (labelmap) nfct_labelmap_destroy(labelmap); if (command && exit_msg[cmd][0]) { fprintf(stderr, "%s v%s (conntrack-tools): ",PROGNAME,VERSION); fprintf(stderr, exit_msg[cmd], counter); if (counter == 0 && !(command & (CT_LIST | EXP_LIST))) return EXIT_FAILURE; } return EXIT_SUCCESS; } conntrack-1.4.3/src/cthelper.c000066400000000000000000000335531257407526400162670ustar00rootroot00000000000000/* * (C) 2006-2012 by Pablo Neira Ayuso * * 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. * * This code has been sponsored by Vyatta Inc. */ #include "conntrackd.h" #include "log.h" #include "fds.h" #include "helper.h" #include #include #include #include #include #include #include #define _GNU_SOURCE #include #include #include #ifndef __aligned_be64 #define __aligned_be64 unsigned long long __attribute__((aligned(8))) #endif #include #include #include #include #include #include #include void cthelper_kill(void) { mnl_socket_close(STATE_CTH(nl)); free(state.cthelper); } int cthelper_local(int fd, int type, void *data) { /* No services to obtain information on helpers yet, sorry */ return LOCAL_RET_OK; } static struct nlmsghdr * nfq_hdr_put(char *buf, int type, uint32_t queue_num) { struct nlmsghdr *nlh = mnl_nlmsg_put_header(buf); nlh->nlmsg_type = (NFNL_SUBSYS_QUEUE << 8) | type; nlh->nlmsg_flags = NLM_F_REQUEST; struct nfgenmsg *nfg = mnl_nlmsg_put_extra_header(nlh, sizeof(*nfg)); nfg->nfgen_family = AF_UNSPEC; nfg->version = NFNETLINK_V0; nfg->res_id = htons(queue_num); return nlh; } static int pkt_get(void *pkt, uint32_t pktlen, uint16_t proto, uint32_t *protoff) { uint8_t protocol; switch(proto) { case ETHERTYPE_IP: { struct iphdr *ip = (struct iphdr *) pkt; /* No room for IPv4 header. */ if (pktlen < sizeof(struct iphdr)) { dlog(LOG_ERR, "no room for IPv4 header"); return -1; } /* this is not IPv4, skip. */ if (ip->version != 4) { dlog(LOG_ERR, "not IPv4, skipping"); return -1; } *protoff = 4 * ip->ihl; protocol = ip->protocol; break; } case ETHERTYPE_IPV6: { struct iphdr *ip = (struct iphdr *) pkt; struct ip6_hdr *ip6 = (struct ip6_hdr *) pkt; /* No room for IPv6 header. */ if (pktlen < sizeof(struct ip6_hdr)) { dlog(LOG_ERR, "no room for IPv6 header"); return -1; } /* this is not IPv6, skip. */ if (ip->version != 6) { dlog(LOG_ERR, "not IPv6, skipping"); return -1; } *protoff = sizeof(struct ip6_hdr); protocol = ip6->ip6_nxt; break; } default: /* Unknown layer 3 protocol. */ dlog(LOG_ERR, "unknown layer 3 protocol (%d), skipping", proto); return -1; } switch (protocol) { case IPPROTO_TCP: { struct tcphdr *tcph = (struct tcphdr *) ((char *)pkt + *protoff); /* No room for IPv4 header plus TCP header. */ if (pktlen < *protoff + sizeof(struct tcphdr) || pktlen < *protoff + tcph->doff * 4) { dlog(LOG_ERR, "no room for IPv4 + TCP header, skip"); return -1; } return 0; } case IPPROTO_UDP: /* No room for IPv4 header plus UDP header. */ if (pktlen < *protoff + sizeof(struct udphdr)) { dlog(LOG_ERR, "no room for IPv4 + UDP header, skip"); return -1; } return 0; default: dlog(LOG_ERR, "not TCP/UDP, skipping"); return -1; } return 0; } static int pkt_verdict_issue(struct ctd_helper_instance *cur, struct myct *myct, uint16_t queue_num, uint32_t id, uint32_t verdict, struct pkt_buff *pktb) { struct nlmsghdr *nlh; char buf[MNL_SOCKET_BUFFER_SIZE]; struct nlattr *nest; nlh = nfq_hdr_put(buf, NFQNL_MSG_VERDICT, queue_num); /* save private data and send it back to kernel-space, if any. */ if (myct->priv_data) { nfct_set_attr_l(myct->ct, ATTR_HELPER_INFO, myct->priv_data, cur->helper->priv_data_len); } nfq_nlmsg_verdict_put(nlh, id, verdict); if (pktb_mangled(pktb)) nfq_nlmsg_verdict_put_pkt(nlh, pktb_data(pktb), pktb_len(pktb)); nest = mnl_attr_nest_start(nlh, NFQA_CT); if (nest == NULL) return -1; nfct_nlmsg_build(nlh, myct->ct); mnl_attr_nest_end(nlh, nest); if (myct->exp) { nest = mnl_attr_nest_start(nlh, NFQA_EXP); if (nest == NULL) return -1; nfexp_nlmsg_build(nlh, myct->exp); mnl_attr_nest_end(nlh, nest); } if (mnl_socket_sendto(STATE_CTH(nl), nlh, nlh->nlmsg_len) < 0) { dlog(LOG_ERR, "failed to send verdict: %s", strerror(errno)); return -1; } return 0; } static int pkt_verdict_error(uint16_t queue_num, uint32_t id) { struct nlmsghdr *nlh; char buf[MNL_SOCKET_BUFFER_SIZE]; nlh = nfq_hdr_put(buf, NFQNL_MSG_VERDICT, queue_num); nfq_nlmsg_verdict_put(nlh, id, NF_ACCEPT); if (mnl_socket_sendto(STATE_CTH(nl), nlh, nlh->nlmsg_len) < 0) { dlog(LOG_ERR, "failed to send verdict: %s", strerror(errno)); return -1; } return 0; } static struct ctd_helper_instance * helper_run(struct pkt_buff *pktb, uint32_t protoff, struct myct *myct, uint32_t ctinfo, uint32_t queue_num, int *verdict) { struct ctd_helper_instance *cur, *helper = NULL; list_for_each_entry(cur, &CONFIG(cthelper).list, head) { if (cur->queue_num == queue_num) { const void *priv_data; /* retrieve helper private data. */ priv_data = nfct_get_attr(myct->ct, ATTR_HELPER_INFO); if (priv_data != NULL) { myct->priv_data = calloc(1, cur->helper->priv_data_len); if (myct->priv_data == NULL) continue; memcpy(myct->priv_data, priv_data, cur->helper->priv_data_len); } *verdict = cur->helper->cb(pktb, protoff, myct, ctinfo); helper = cur; break; } } return helper; } static int nfq_queue_cb(const struct nlmsghdr *nlh, void *data) { struct nfqnl_msg_packet_hdr *ph = NULL; struct nlattr *attr[NFQA_MAX+1] = {}; struct nfgenmsg *nfg; uint8_t *pkt; uint16_t l3num; uint32_t id, ctinfo, queue_num = 0, protoff = 0, pktlen; struct nf_conntrack *ct = NULL; struct myct *myct; struct ctd_helper_instance *helper; struct pkt_buff *pktb; int verdict = NF_ACCEPT; if (nfq_nlmsg_parse(nlh, attr) < 0) { dlog(LOG_ERR, "problems parsing message from kernel"); return MNL_CB_ERROR; } ph = (struct nfqnl_msg_packet_hdr *) mnl_attr_get_payload(attr[NFQA_PACKET_HDR]); if (ph == NULL) { dlog(LOG_ERR, "problems retrieving metaheader"); return MNL_CB_ERROR; } id = ntohl(ph->packet_id); if (!attr[NFQA_PAYLOAD]) { dlog(LOG_ERR, "packet with no payload"); goto err1; } if (!attr[NFQA_CT] || !attr[NFQA_CT_INFO]) { dlog(LOG_ERR, "no CT attached to this packet"); goto err1; } pkt = mnl_attr_get_payload(attr[NFQA_PAYLOAD]); pktlen = mnl_attr_get_payload_len(attr[NFQA_PAYLOAD]); nfg = mnl_nlmsg_get_payload(nlh); l3num = nfg->nfgen_family; queue_num = ntohs(nfg->res_id); if (pkt_get(pkt, pktlen, ntohs(ph->hw_protocol), &protoff)) goto err1; ct = nfct_new(); if (ct == NULL) goto err1; if (nfct_payload_parse(mnl_attr_get_payload(attr[NFQA_CT]), mnl_attr_get_payload_len(attr[NFQA_CT]), l3num, ct) < 0) { dlog(LOG_ERR, "cannot convert message to CT"); goto err2; } myct = calloc(1, sizeof(struct myct)); if (myct == NULL) goto err2; myct->ct = ct; ctinfo = ntohl(mnl_attr_get_u32(attr[NFQA_CT_INFO])); /* XXX: 256 bytes enough for possible NAT mangling in helpers? */ pktb = pktb_alloc(AF_INET, pkt, pktlen, 256); if (pktb == NULL) goto err3; /* Misconfiguration: if no helper found, accept the packet. */ helper = helper_run(pktb, protoff, myct, ctinfo, queue_num, &verdict); if (!helper) goto err4; if (pkt_verdict_issue(helper, myct, queue_num, id, verdict, pktb) < 0) goto err4; nfct_destroy(ct); if (myct->exp != NULL) nfexp_destroy(myct->exp); if (myct->priv_data != NULL) free(myct->priv_data); free(myct); return MNL_CB_OK; err4: pktb_free(pktb); err3: free(myct); err2: nfct_destroy(ct); err1: /* In case of error, we don't want to disrupt traffic. We accept all. * This is connection tracking after all. The policy is not to drop * packet unless we enter some inconsistent state. */ pkt_verdict_error(queue_num, id); return MNL_CB_OK; } static void nfq_cb(void *data) { char buf[MNL_SOCKET_BUFFER_SIZE]; int ret; ret = mnl_socket_recvfrom(STATE_CTH(nl), buf, sizeof(buf)); if (ret == -1) { dlog(LOG_ERR, "failed to receive message: %s", strerror(errno)); return; } ret = mnl_cb_run(buf, ret, 0, STATE_CTH(portid), nfq_queue_cb, NULL); if (ret < 0){ dlog(LOG_ERR, "failed to process message"); return; } } static int cthelper_setup(struct ctd_helper_instance *cur) { struct nfct_helper *t; char buf[MNL_SOCKET_BUFFER_SIZE]; struct nlmsghdr *nlh; uint32_t seq; int j, ret; t = nfct_helper_alloc(); if (t == NULL) { dlog(LOG_ERR, "cannot allocate object for helper"); return -1; } nfct_helper_attr_set(t, NFCTH_ATTR_NAME, cur->helper->name); nfct_helper_attr_set_u32(t, NFCTH_ATTR_QUEUE_NUM, cur->queue_num); nfct_helper_attr_set_u16(t, NFCTH_ATTR_PROTO_L3NUM, cur->l3proto); nfct_helper_attr_set_u8(t, NFCTH_ATTR_PROTO_L4NUM, cur->l4proto); nfct_helper_attr_set_u32(t, NFCTH_ATTR_STATUS, NFCT_HELPER_STATUS_ENABLED); dlog(LOG_NOTICE, "configuring helper `%s' with queuenum=%d and " "queuelen=%d", cur->helper->name, cur->queue_num, cur->queue_len); for (j=0; jhelper->policy[j].name[0]) break; p = nfct_helper_policy_alloc(); if (p == NULL) { dlog(LOG_ERR, "cannot allocate object for helper"); return -1; } /* FIXME: get existing policy values from the kernel first. */ nfct_helper_policy_attr_set(p, NFCTH_ATTR_POLICY_NAME, cur->helper->policy[j].name); nfct_helper_policy_attr_set_u32(p, NFCTH_ATTR_POLICY_TIMEOUT, cur->helper->policy[j].expect_timeout); nfct_helper_policy_attr_set_u32(p, NFCTH_ATTR_POLICY_MAX, cur->helper->policy[j].expect_max); dlog(LOG_NOTICE, "policy name=%s expect_timeout=%d expect_max=%d", cur->helper->policy[j].name, cur->helper->policy[j].expect_timeout, cur->helper->policy[j].expect_max); nfct_helper_attr_set(t, NFCTH_ATTR_POLICY+j, p); } if (j == 0) { dlog(LOG_ERR, "you have to define one policy for helper"); return -1; } seq = time(NULL); nlh = nfct_helper_nlmsg_build_hdr(buf, NFNL_MSG_CTHELPER_NEW, NLM_F_CREATE | NLM_F_ACK, seq); nfct_helper_nlmsg_build_payload(nlh, t); nfct_helper_free(t); if (mnl_socket_sendto(STATE_CTH(nl), nlh, nlh->nlmsg_len) < 0) { dlog(LOG_ERR, "sending cthelper configuration"); return -1; } ret = mnl_socket_recvfrom(STATE_CTH(nl), buf, sizeof(buf)); while (ret > 0) { ret = mnl_cb_run(buf, ret, seq, STATE_CTH(portid), NULL, NULL); if (ret <= 0) break; ret = mnl_socket_recvfrom(STATE_CTH(nl), buf, sizeof(buf)); } if (ret == -1) { dlog(LOG_ERR, "trying to configure cthelper `%s': %s", cur->helper->name, strerror(errno)); return -1; } return 0; } static int cthelper_nfqueue_setup(struct ctd_helper_instance *cur) { char buf[MNL_SOCKET_BUFFER_SIZE]; struct nlmsghdr *nlh; nlh = nfq_hdr_put(buf, NFQNL_MSG_CONFIG, cur->queue_num); nfq_nlmsg_cfg_put_cmd(nlh, AF_INET, NFQNL_CFG_CMD_BIND); if (mnl_socket_sendto(STATE_CTH(nl), nlh, nlh->nlmsg_len) < 0) { dlog(LOG_ERR, "failed to send bind command"); return -1; } nlh = nfq_hdr_put(buf, NFQNL_MSG_CONFIG, cur->queue_num); nfq_nlmsg_cfg_put_params(nlh, NFQNL_COPY_PACKET, 0xffff); mnl_attr_put_u32(nlh, NFQA_CFG_FLAGS, htonl(NFQA_CFG_F_CONNTRACK)); mnl_attr_put_u32(nlh, NFQA_CFG_MASK, htonl(0xffffffff)); if (cur->queue_len > 0) { mnl_attr_put_u32(nlh, NFQA_CFG_QUEUE_MAXLEN, htonl(cur->queue_len)); } if (mnl_socket_sendto(STATE_CTH(nl), nlh, nlh->nlmsg_len) < 0) { dlog(LOG_ERR, "failed to send configuration"); return -1; } return 0; } static int cthelper_configure(struct ctd_helper_instance *cur) { /* First, configure cthelper. */ if (cthelper_setup(cur) < 0) return -1; /* Now, we are ready to configure nfqueue attached to this helper. */ if (cthelper_nfqueue_setup(cur) < 0) return -1; dlog(LOG_NOTICE, "helper `%s' configured successfully", cur->helper->name); return 0; } static int nfq_configure(void) { char buf[MNL_SOCKET_BUFFER_SIZE]; struct nlmsghdr *nlh; nlh = nfq_hdr_put(buf, NFQNL_MSG_CONFIG, 0); nfq_nlmsg_cfg_put_cmd(nlh, AF_INET, NFQNL_CFG_CMD_PF_UNBIND); if (mnl_socket_sendto(STATE_CTH(nl), nlh, nlh->nlmsg_len) < 0) { dlog(LOG_ERR, "failed to send pf unbind command"); return -1; } nlh = nfq_hdr_put(buf, NFQNL_MSG_CONFIG, 0); nfq_nlmsg_cfg_put_cmd(nlh, AF_INET, NFQNL_CFG_CMD_PF_BIND); if (mnl_socket_sendto(STATE_CTH(nl), nlh, nlh->nlmsg_len) < 0) { dlog(LOG_ERR, "failed to send pf bind command"); return -1; } return 0; } int cthelper_init(void) { struct ctd_helper_instance *cur; int ret; state.cthelper = calloc(1, sizeof(struct ct_helper_state)); if (state.cthelper == NULL) { dlog(LOG_ERR, "can't allocate memory for cthelper struct"); return -1; } STATE_CTH(nl) = mnl_socket_open(NETLINK_NETFILTER); if (STATE_CTH(nl) == NULL) { dlog(LOG_ERR, "cannot open nfq socket"); return -1; } fcntl(mnl_socket_get_fd(STATE_CTH(nl)), F_SETFL, O_NONBLOCK); if (mnl_socket_bind(STATE_CTH(nl), 0, MNL_SOCKET_AUTOPID) < 0) { dlog(LOG_ERR, "cannot bind nfq socket"); return -1; } STATE_CTH(portid) = mnl_socket_get_portid(STATE_CTH(nl)); if (nfq_configure()) return -1; list_for_each_entry(cur, &CONFIG(cthelper).list, head) { ret = cthelper_configure(cur); if (ret < 0) return ret; } register_fd(mnl_socket_get_fd(STATE_CTH(nl)), nfq_cb, NULL, STATE(fds)); return 0; } conntrack-1.4.3/src/ctnl.c000066400000000000000000000324221257407526400154130ustar00rootroot00000000000000/* * (C) 2006-2012 by Pablo Neira Ayuso * * 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. * * Part of this code has been sponsored by Vyatta Inc. */ #include "conntrackd.h" #include "netlink.h" #include "filter.h" #include "log.h" #include "alarm.h" #include "fds.h" #include "traffic_stats.h" #include "process.h" #include "origin.h" #include "date.h" #include "internal.h" #include #include #include #include #include #include #include #include void ctnl_kill(void) { if (!(CONFIG(flags) & CTD_POLL)) nfct_close(STATE(event)); nfct_close(STATE(resync)); nfct_close(STATE(get)); origin_unregister(STATE(flush)); nfct_close(STATE(flush)); if (STATE(us_filter)) ct_filter_destroy(STATE(us_filter)); STATE(mode)->kill(); if (STATE(mode)->internal->flags & INTERNAL_F_POPULATE) { nfct_close(STATE(dump)); } } static void local_flush_master(void) { STATE(stats).nl_kernel_table_flush++; dlog(LOG_NOTICE, "flushing kernel conntrack table"); /* fork a child process that performs the flush operation, * meanwhile the parent process handles events. */ if (fork_process_new(CTD_PROC_FLUSH, CTD_PROC_F_EXCL, NULL, NULL) == 0) { nl_flush_conntrack_table_selective(); exit(EXIT_SUCCESS); } } static void local_resync_master(void) { if (STATE(mode)->internal->flags & INTERNAL_F_POPULATE) { STATE(stats).nl_kernel_table_resync++; dlog(LOG_NOTICE, "resync with master conntrack table"); nl_dump_conntrack_table(STATE(dump)); } else { dlog(LOG_NOTICE, "resync is unsupported in this mode"); } } static void local_exp_flush_master(void) { if (!(CONFIG(flags) & CTD_EXPECT)) return; STATE(stats).nl_kernel_table_flush++; dlog(LOG_NOTICE, "flushing kernel expect table"); /* fork a child process that performs the flush operation, * meanwhile the parent process handles events. */ if (fork_process_new(CTD_PROC_FLUSH, CTD_PROC_F_EXCL, NULL, NULL) == 0) { nl_flush_expect_table(STATE(flush)); exit(EXIT_SUCCESS); } } static void local_exp_resync_master(void) { if (!(CONFIG(flags) & CTD_EXPECT)) return; if (STATE(mode)->internal->flags & INTERNAL_F_POPULATE) { STATE(stats).nl_kernel_table_resync++; dlog(LOG_NOTICE, "resync with master expect table"); nl_dump_expect_table(STATE(dump)); } else { dlog(LOG_NOTICE, "resync is unsupported in this mode"); } } int ctnl_local(int fd, int type, void *data) { int ret = LOCAL_RET_OK; switch(type) { case CT_FLUSH_MASTER: local_flush_master(); break; case CT_RESYNC_MASTER: local_resync_master(); break; case EXP_FLUSH_MASTER: local_exp_flush_master(); break; case EXP_RESYNC_MASTER: local_exp_resync_master(); break; case ALL_FLUSH_MASTER: local_flush_master(); local_exp_flush_master(); break; case ALL_RESYNC_MASTER: local_resync_master(); local_exp_resync_master(); break; } ret = STATE(mode)->local(fd, type, data); if (ret == LOCAL_RET_ERROR) { STATE(stats).local_unknown_request++; return LOCAL_RET_ERROR; } return ret; } static void do_overrun_resync_alarm(struct alarm_block *a, void *data) { nl_send_resync(STATE(resync)); STATE(stats).nl_kernel_table_resync++; } static void do_polling_alarm(struct alarm_block *a, void *data) { if (STATE(mode)->internal->ct.purge) STATE(mode)->internal->ct.purge(); if (STATE(mode)->internal->exp.purge) STATE(mode)->internal->exp.purge(); nl_send_resync(STATE(resync)); if (CONFIG(flags) & CTD_EXPECT) nl_send_expect_resync(STATE(resync)); add_alarm(&STATE(polling_alarm), CONFIG(poll_kernel_secs), 0); } static int event_handler(const struct nlmsghdr *nlh, enum nf_conntrack_msg_type type, struct nf_conntrack *ct, void *data) { int origin_type; STATE(stats).nl_events_received++; /* skip user-space filtering if already do it in the kernel */ if (ct_filter_conntrack(ct, !CONFIG(filter_from_kernelspace))) { STATE(stats).nl_events_filtered++; goto out; } origin_type = origin_find(nlh); switch(type) { case NFCT_T_NEW: STATE(mode)->internal->ct.new(ct, origin_type); break; case NFCT_T_UPDATE: STATE(mode)->internal->ct.upd(ct, origin_type); break; case NFCT_T_DESTROY: if (STATE(mode)->internal->ct.del(ct, origin_type)) update_traffic_stats(ct); break; default: STATE(stats).nl_events_unknown_type++; break; } out: /* we reset the iteration limiter in the main select loop. */ if (STATE(event_iterations_limit)-- <= 0) return NFCT_CB_STOP; else return NFCT_CB_CONTINUE; } static int exp_event_handler(const struct nlmsghdr *nlh, enum nf_conntrack_msg_type type, struct nf_expect *exp, void *data) { int origin_type; const struct nf_conntrack *master = nfexp_get_attr(exp, ATTR_EXP_MASTER); STATE(stats).nl_events_received++; if (!exp_filter_find(STATE(exp_filter), exp)) { STATE(stats).nl_events_filtered++; goto out; } if (ct_filter_master(master)) return NFCT_CB_CONTINUE; origin_type = origin_find(nlh); switch(type) { case NFCT_T_NEW: STATE(mode)->internal->exp.new(exp, origin_type); break; case NFCT_T_UPDATE: STATE(mode)->internal->exp.upd(exp, origin_type); break; case NFCT_T_DESTROY: STATE(mode)->internal->exp.del(exp, origin_type); break; default: STATE(stats).nl_events_unknown_type++; break; } out: /* we reset the iteration limiter in the main select loop. */ if (STATE(event_iterations_limit)-- <= 0) return NFCT_CB_STOP; else return NFCT_CB_CONTINUE; } static int dump_handler(enum nf_conntrack_msg_type type, struct nf_conntrack *ct, void *data) { if (ct_filter_conntrack(ct, 1)) return NFCT_CB_CONTINUE; switch(type) { case NFCT_T_UPDATE: STATE(mode)->internal->ct.populate(ct); break; default: STATE(stats).nl_dump_unknown_type++; break; } return NFCT_CB_CONTINUE; } static int exp_dump_handler(enum nf_conntrack_msg_type type, struct nf_expect *exp, void *data) { const struct nf_conntrack *master = nfexp_get_attr(exp, ATTR_EXP_MASTER); if (!exp_filter_find(STATE(exp_filter), exp)) return NFCT_CB_CONTINUE; if (ct_filter_master(master)) return NFCT_CB_CONTINUE; switch(type) { case NFCT_T_UPDATE: STATE(mode)->internal->exp.populate(exp); break; default: STATE(stats).nl_dump_unknown_type++; break; } return NFCT_CB_CONTINUE; } static int get_handler(enum nf_conntrack_msg_type type, struct nf_conntrack *ct, void *data) { if (ct_filter_conntrack(ct, 1)) return NFCT_CB_CONTINUE; STATE(get_retval) = 1; return NFCT_CB_CONTINUE; } static int exp_get_handler(enum nf_conntrack_msg_type type, struct nf_expect *exp, void *data) { const struct nf_conntrack *master = nfexp_get_attr(exp, ATTR_EXP_MASTER); if (!exp_filter_find(STATE(exp_filter), exp)) return NFCT_CB_CONTINUE; if (ct_filter_master(master)) return NFCT_CB_CONTINUE; STATE(get_retval) = 1; return NFCT_CB_CONTINUE; } /* we have received an event from ctnetlink */ static void event_cb(void *data) { int ret; ret = nfct_catch(STATE(event)); /* reset event iteration limit counter */ STATE(event_iterations_limit) = CONFIG(event_iterations_limit); if (ret == -1) { switch(errno) { case ENOBUFS: /* We have hit ENOBUFS, it's likely that we are * losing events. Two possible situations may * trigger this error: * * 1) The netlink receiver buffer is too small: * increasing the netlink buffer size should * be enough. However, some event messages * got lost. We have to resync ourselves * with the kernel table conntrack table to * resolve the inconsistency. * * 2) The receiver is too slow to process the * netlink messages so that the queue gets * full quickly. This generally happens * if the system is under heavy workload * (busy CPU). In this case, increasing the * size of the netlink receiver buffer * would not help anymore since we would * be delaying the overrun. Moreover, we * should avoid resynchronizations. We * should do our best here and keep * replicating as much states as possible. * If workload lowers at some point, * we resync ourselves. */ nl_resize_socket_buffer(STATE(event)); if (CONFIG(nl_overrun_resync) > 0 && STATE(mode)->internal->flags & INTERNAL_F_RESYNC) { add_alarm(&STATE(resync_alarm), CONFIG(nl_overrun_resync),0); } STATE(stats).nl_catch_event_failed++; STATE(stats).nl_overrun++; break; case ENOENT: /* * We received a message from another * netfilter subsystem that we are not * interested in. Just ignore it. */ break; case EAGAIN: /* No more events to receive, try later. */ break; default: STATE(stats).nl_catch_event_failed++; break; } } } /* we previously requested a resync due to buffer overrun. */ static void resync_cb(void *data) { nfct_catch(STATE(resync)); if (STATE(mode)->internal->ct.purge) STATE(mode)->internal->ct.purge(); } static void poll_cb(void *data) { nfct_catch(STATE(resync)); } int ctnl_init(void) { if (CONFIG(flags) & CTD_STATS_MODE) STATE(mode) = &stats_mode; else if (CONFIG(flags) & CTD_SYNC_MODE) STATE(mode) = &sync_mode; else { fprintf(stderr, "WARNING: No running mode specified. " "Defaulting to statistics mode.\n"); CONFIG(flags) |= CTD_STATS_MODE; STATE(mode) = &stats_mode; } /* Initialization */ if (STATE(mode)->init() == -1) { dlog(LOG_ERR, "initialization failed"); return -1; } /* resynchronize (like 'dump' socket) but it also purges old entries */ STATE(resync) = nfct_open(CONFIG(netlink).subsys_id, 0); if (STATE(resync)== NULL) { dlog(LOG_ERR, "can't open netlink handler: %s", strerror(errno)); dlog(LOG_ERR, "no ctnetlink kernel support?"); return -1; } nfct_callback_register(STATE(resync), NFCT_T_ALL, STATE(mode)->internal->ct.resync, NULL); if (CONFIG(flags) & CTD_POLL) { register_fd(nfct_fd(STATE(resync)), poll_cb, NULL, STATE(fds)); } else { register_fd(nfct_fd(STATE(resync)), resync_cb, NULL, STATE(fds)); } fcntl(nfct_fd(STATE(resync)), F_SETFL, O_NONBLOCK); if (STATE(mode)->internal->flags & INTERNAL_F_POPULATE) { STATE(dump) = nfct_open(CONFIG(netlink).subsys_id, 0); if (STATE(dump) == NULL) { dlog(LOG_ERR, "can't open netlink handler: %s", strerror(errno)); dlog(LOG_ERR, "no ctnetlink kernel support?"); return -1; } nfct_callback_register(STATE(dump), NFCT_T_ALL, dump_handler, NULL); if (CONFIG(flags) & CTD_EXPECT) { nfexp_callback_register(STATE(dump), NFCT_T_ALL, exp_dump_handler, NULL); } if (nl_dump_conntrack_table(STATE(dump)) == -1) { dlog(LOG_ERR, "can't get kernel conntrack table"); return -1; } if (CONFIG(flags) & CTD_EXPECT) { if (nl_dump_expect_table(STATE(dump)) == -1) { dlog(LOG_ERR, "can't get kernel " "expect table"); return -1; } } } STATE(get) = nfct_open(CONFIG(netlink).subsys_id, 0); if (STATE(get) == NULL) { dlog(LOG_ERR, "can't open netlink handler: %s", strerror(errno)); dlog(LOG_ERR, "no ctnetlink kernel support?"); return -1; } nfct_callback_register(STATE(get), NFCT_T_ALL, get_handler, NULL); if (CONFIG(flags) & CTD_EXPECT) { nfexp_callback_register(STATE(get), NFCT_T_ALL, exp_get_handler, NULL); } STATE(flush) = nfct_open(CONFIG(netlink).subsys_id, 0); if (STATE(flush) == NULL) { dlog(LOG_ERR, "cannot open flusher handler"); return -1; } /* register this handler as the origin of a flush operation */ origin_register(STATE(flush), CTD_ORIGIN_FLUSH); if (CONFIG(flags) & CTD_POLL) { init_alarm(&STATE(polling_alarm), NULL, do_polling_alarm); add_alarm(&STATE(polling_alarm), CONFIG(poll_kernel_secs), 0); dlog(LOG_NOTICE, "running in polling mode"); } else { init_alarm(&STATE(resync_alarm), NULL, do_overrun_resync_alarm); /* * The last nfct handler that we register is the event handler. * The reason to do this is that we may receive events while * populating the internal cache. Thus, we hit ENOBUFS * prematurely. However, if we open the event handler before * populating the internal cache, we may still lose events * that have occured during the population. */ STATE(event) = nl_init_event_handler(); if (STATE(event) == NULL) { dlog(LOG_ERR, "can't open netlink handler: %s", strerror(errno)); dlog(LOG_ERR, "no ctnetlink kernel support?"); return -1; } nfct_callback_register2(STATE(event), NFCT_T_ALL, event_handler, NULL); if (CONFIG(flags) & CTD_EXPECT) { nfexp_callback_register2(STATE(event), NFCT_T_ALL, exp_event_handler, NULL); } register_fd(nfct_fd(STATE(event)), event_cb, NULL, STATE(fds)); } return 0; } conntrack-1.4.3/src/date.c000066400000000000000000000011401257407526400153610ustar00rootroot00000000000000/* * (C) 2009 by Pablo Neira Ayuso * * 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 of the License, or * (at your option) any later version. */ #include "date.h" #include #include static struct timeval now; int do_gettimeofday(void) { return gettimeofday(&now, NULL); } void gettimeofday_cached(struct timeval *tv) { memcpy(tv, &now, sizeof(struct timeval)); } int time_cached(void) { return now.tv_sec; } conntrack-1.4.3/src/event.c000066400000000000000000000031011257407526400155640ustar00rootroot00000000000000/* * (C) 2006-2007 by Pablo Neira Ayuso * * 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include #include #include #include #include "event.h" struct evfd { int read; int fds[2]; }; struct evfd *create_evfd(void) { struct evfd *e; e = calloc(1, sizeof(struct evfd)); if (e == NULL) return NULL; if (pipe(e->fds) == -1) { free(e); return NULL; } fcntl(e->fds[0], F_SETFL, O_NONBLOCK); return e; } void destroy_evfd(struct evfd *e) { close(e->fds[0]); close(e->fds[1]); free(e); } int get_read_evfd(struct evfd *evfd) { return evfd->fds[0]; } int write_evfd(struct evfd *evfd) { int data = 0, ret = 0; if (evfd->read == 0) ret = write(evfd->fds[1], &data, sizeof(data)); evfd->read++; return ret; } int read_evfd(struct evfd *evfd) { int data, ret = 0; if (--evfd->read == 0) ret = read(evfd->fds[0], &data, sizeof(data)); return ret; } conntrack-1.4.3/src/expect.c000066400000000000000000000124211257407526400157400ustar00rootroot00000000000000/* * (C) 2012 by Pablo Neira Ayuso * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation (or any later at your option). * * This code has been sponsored by Vyatta Inc. */ #include "helper.h" #include #include #include #include #include #include #include #include int cthelper_expect_init(struct nf_expect *exp, struct nf_conntrack *master, uint32_t class, union nfct_attr_grp_addr *saddr, union nfct_attr_grp_addr *daddr, uint8_t l4proto, uint16_t *sport, uint16_t *dport, uint32_t flags) { struct nf_conntrack *expected, *mask; expected = nfct_new(); if (!expected) return -1; mask = nfct_new(); if (!mask) return -1; if (saddr) { switch(nfct_get_attr_u8(master, ATTR_L3PROTO)) { uint32_t addr[4]; case AF_INET: nfct_set_attr_u8(expected, ATTR_L3PROTO, AF_INET); nfct_set_attr_u32(expected, ATTR_IPV4_SRC, saddr->ip); nfct_set_attr_u8(mask, ATTR_L3PROTO, AF_INET); nfct_set_attr_u32(mask, ATTR_IPV4_SRC, 0xffffffff); break; case AF_INET6: nfct_set_attr_u8(expected, ATTR_L3PROTO, AF_INET6); nfct_set_attr(expected, ATTR_IPV6_SRC, saddr->ip6); memset(addr, 0xff, sizeof(addr)); nfct_set_attr_u8(mask, ATTR_L3PROTO, AF_INET6); nfct_set_attr(mask, ATTR_IPV6_SRC, addr); break; default: break; } } else { switch(nfct_get_attr_u8(master, ATTR_L3PROTO)) { uint32_t addr[4]; case AF_INET: nfct_set_attr_u8(expected, ATTR_L3PROTO, AF_INET); nfct_set_attr_u32(expected, ATTR_IPV4_SRC, 0x00000000); nfct_set_attr_u8(mask, ATTR_L3PROTO, AF_INET); nfct_set_attr_u32(mask, ATTR_IPV4_SRC, 0x00000000); break; case AF_INET6: memset(addr, 0x00, sizeof(addr)); nfct_set_attr_u8(expected, ATTR_L3PROTO, AF_INET6); nfct_set_attr(expected, ATTR_IPV6_SRC, addr); nfct_set_attr_u8(mask, ATTR_L3PROTO, AF_INET6); nfct_set_attr(mask, ATTR_IPV6_SRC, addr); break; default: break; } } if (sport) { switch(l4proto) { case IPPROTO_TCP: case IPPROTO_UDP: nfct_set_attr_u8(expected, ATTR_L4PROTO, l4proto); nfct_set_attr_u16(expected, ATTR_PORT_SRC, *sport); nfct_set_attr_u8(mask, ATTR_L4PROTO, l4proto); nfct_set_attr_u16(mask, ATTR_PORT_SRC, 0xffff); break; default: break; } } else { switch(l4proto) { case IPPROTO_TCP: case IPPROTO_UDP: nfct_set_attr_u8(expected, ATTR_L4PROTO, l4proto); nfct_set_attr_u16(expected, ATTR_PORT_SRC, 0x0000); nfct_set_attr_u8(mask, ATTR_L4PROTO, l4proto); nfct_set_attr_u16(mask, ATTR_PORT_SRC, 0x0000); break; default: break; } } switch(nfct_get_attr_u8(master, ATTR_L3PROTO)) { uint32_t addr[4]; case AF_INET: nfct_set_attr_u8(expected, ATTR_L3PROTO, AF_INET); nfct_set_attr_u32(expected, ATTR_IPV4_DST, daddr->ip); nfct_set_attr_u32(mask, ATTR_IPV4_DST, 0xffffffff); break; case AF_INET6: nfct_set_attr_u8(expected, ATTR_L3PROTO, AF_INET6); nfct_set_attr(expected, ATTR_IPV6_DST, daddr->ip6); memset(addr, 0xff, sizeof(addr)); nfct_set_attr(mask, ATTR_IPV6_DST, addr); break; default: break; } switch(l4proto) { case IPPROTO_TCP: case IPPROTO_UDP: nfct_set_attr_u8(expected, ATTR_L4PROTO, l4proto); nfct_set_attr_u16(expected, ATTR_PORT_DST, *dport); nfct_set_attr_u8(mask, ATTR_L4PROTO, l4proto); nfct_set_attr_u16(mask, ATTR_PORT_DST, 0xffff); break; default: break; } nfexp_set_attr(exp, ATTR_EXP_MASTER, master); nfexp_set_attr(exp, ATTR_EXP_EXPECTED, expected); nfexp_set_attr(exp, ATTR_EXP_MASK, mask); nfexp_set_attr_u32(exp, ATTR_EXP_FLAGS, flags); nfct_destroy(expected); nfct_destroy(mask); return 0; } static int cthelper_expect_cmd(struct nf_expect *exp, int cmd) { int ret; struct nfct_handle *h; h = nfct_open(EXPECT, 0); if (!h) return -1; ret = nfexp_query(h, cmd, exp); nfct_close(h); return ret; } int cthelper_add_expect(struct nf_expect *exp) { return cthelper_expect_cmd(exp, NFCT_Q_CREATE_UPDATE); } int cthelper_del_expect(struct nf_expect *exp) { return cthelper_expect_cmd(exp, NFCT_Q_DESTROY); } void cthelper_get_addr_src(struct nf_conntrack *ct, int dir, union nfct_attr_grp_addr *addr) { switch (dir) { case MYCT_DIR_ORIG: nfct_get_attr_grp(ct, ATTR_GRP_ORIG_ADDR_SRC, addr); break; case MYCT_DIR_REPL: nfct_get_attr_grp(ct, ATTR_GRP_REPL_ADDR_SRC, addr); break; } } void cthelper_get_addr_dst(struct nf_conntrack *ct, int dir, union nfct_attr_grp_addr *addr) { switch (dir) { case MYCT_DIR_ORIG: nfct_get_attr_grp(ct, ATTR_GRP_ORIG_ADDR_DST, addr); break; case MYCT_DIR_REPL: nfct_get_attr_grp(ct, ATTR_GRP_REPL_ADDR_DST, addr); break; } } void cthelper_get_port_src(struct nf_conntrack *ct, int dir, uint16_t *port) { switch (dir) { case MYCT_DIR_ORIG: *port = nfct_get_attr_u16(ct, ATTR_PORT_SRC); break; case MYCT_DIR_REPL: *port = nfct_get_attr_u16(ct, ATTR_REPL_PORT_SRC); break; } } void cthelper_get_port_dst(struct nf_conntrack *ct, int dir, uint16_t *port) { switch (dir) { case MYCT_DIR_ORIG: *port = nfct_get_attr_u16(ct, ATTR_PORT_DST); break; case MYCT_DIR_REPL: *port = nfct_get_attr_u16(ct, ATTR_REPL_PORT_DST); break; } } conntrack-1.4.3/src/external_cache.c000066400000000000000000000112671257407526400174240ustar00rootroot00000000000000/* * (C) 2006-2011 by Pablo Neira Ayuso * (C) 2011 by Vyatta 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "conntrackd.h" #include "sync.h" #include "log.h" #include "cache.h" #include "external.h" #include #include static struct cache *external; static struct cache *external_exp; static int external_cache_init(void) { external = cache_create("external", CACHE_T_CT, STATE_SYNC(sync)->external_cache_flags, NULL, &cache_sync_external_ct_ops); if (external == NULL) { dlog(LOG_ERR, "can't allocate memory for the external cache"); return -1; } external_exp = cache_create("external", CACHE_T_EXP, STATE_SYNC(sync)->external_cache_flags, NULL, &cache_sync_external_exp_ops); if (external_exp == NULL) { dlog(LOG_ERR, "can't allocate memory for the external cache"); return -1; } return 0; } static void external_cache_close(void) { cache_destroy(external); cache_destroy(external_exp); } static void external_cache_ct_new(struct nf_conntrack *ct) { struct cache_object *obj; int id; obj = cache_find(external, ct, &id); if (obj == NULL) { retry: obj = cache_object_new(external, ct); if (obj == NULL) return; if (cache_add(external, obj, id) == -1) { cache_object_free(obj); return; } } else { cache_del(external, obj); cache_object_free(obj); goto retry; } } static void external_cache_ct_upd(struct nf_conntrack *ct) { cache_update_force(external, ct); } static void external_cache_ct_del(struct nf_conntrack *ct) { struct cache_object *obj; int id; obj = cache_find(external, ct, &id); if (obj) { cache_del(external, obj); cache_object_free(obj); } } static void external_cache_ct_dump(int fd, int type) { cache_dump(external, fd, type); } static int external_cache_ct_commit(struct nfct_handle *h, int fd) { return cache_commit(external, h, fd); } static void external_cache_ct_flush(void) { cache_flush(external); } static void external_cache_ct_stats(int fd) { cache_stats(external, fd); } static void external_cache_ct_stats_ext(int fd) { cache_stats_extended(external, fd); } static void external_cache_exp_new(struct nf_expect *exp) { struct cache_object *obj; int id; obj = cache_find(external_exp, exp, &id); if (obj == NULL) { retry: obj = cache_object_new(external_exp, exp); if (obj == NULL) return; if (cache_add(external_exp, obj, id) == -1) { cache_object_free(obj); return; } } else { cache_del(external_exp, obj); cache_object_free(obj); goto retry; } } static void external_cache_exp_upd(struct nf_expect *exp) { cache_update_force(external_exp, exp); } static void external_cache_exp_del(struct nf_expect *exp) { struct cache_object *obj; int id; obj = cache_find(external_exp, exp, &id); if (obj) { cache_del(external_exp, obj); cache_object_free(obj); } } static void external_cache_exp_dump(int fd, int type) { cache_dump(external_exp, fd, type); } static int external_cache_exp_commit(struct nfct_handle *h, int fd) { return cache_commit(external_exp, h, fd); } static void external_cache_exp_flush(void) { cache_flush(external_exp); } static void external_cache_exp_stats(int fd) { cache_stats(external_exp, fd); } static void external_cache_exp_stats_ext(int fd) { cache_stats_extended(external_exp, fd); } struct external_handler external_cache = { .init = external_cache_init, .close = external_cache_close, .ct = { .new = external_cache_ct_new, .upd = external_cache_ct_upd, .del = external_cache_ct_del, .dump = external_cache_ct_dump, .commit = external_cache_ct_commit, .flush = external_cache_ct_flush, .stats = external_cache_ct_stats, .stats_ext = external_cache_ct_stats_ext, }, .exp = { .new = external_cache_exp_new, .upd = external_cache_exp_upd, .del = external_cache_exp_del, .dump = external_cache_exp_dump, .commit = external_cache_exp_commit, .flush = external_cache_exp_flush, .stats = external_cache_exp_stats, .stats_ext = external_cache_exp_stats_ext, }, }; conntrack-1.4.3/src/external_inject.c000066400000000000000000000165671257407526400176450ustar00rootroot00000000000000/* * (C) 2006-2011 by Pablo Neira Ayuso * (C) 2011 by Vyatta 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "conntrackd.h" #include "sync.h" #include "log.h" #include "cache.h" #include "origin.h" #include "external.h" #include "netlink.h" #include #include #include static struct nfct_handle *inject; struct { uint32_t add_ok; uint32_t add_fail; uint32_t upd_ok; uint32_t upd_fail; uint32_t del_ok; uint32_t del_fail; } external_inject_stat; static int external_inject_init(void) { /* handler to directly inject conntracks into kernel-space */ inject = nfct_open(CONFIG(netlink).subsys_id, 0); if (inject == NULL) { dlog(LOG_ERR, "can't open netlink handler: %s", strerror(errno)); dlog(LOG_ERR, "no ctnetlink kernel support?"); return -1; } /* we are directly injecting the entries into the kernel */ origin_register(inject, CTD_ORIGIN_INJECT); return 0; } static void external_inject_close(void) { origin_unregister(inject); nfct_close(inject); } static void external_inject_ct_new(struct nf_conntrack *ct) { int ret, retry = 1; retry: if (nl_create_conntrack(inject, ct, 0) == -1) { /* if the state entry exists, we delete and try again */ if (errno == EEXIST && retry == 1) { ret = nl_destroy_conntrack(inject, ct); if (ret == 0 || (ret == -1 && errno == ENOENT)) { if (retry) { retry = 0; goto retry; } } external_inject_stat.add_fail++; dlog(LOG_ERR, "inject-add1: %s", strerror(errno)); dlog_ct(STATE(log), ct, NFCT_O_PLAIN); return; } external_inject_stat.add_fail++; dlog(LOG_ERR, "inject-add2: %s", strerror(errno)); dlog_ct(STATE(log), ct, NFCT_O_PLAIN); } else { external_inject_stat.add_ok++; } } static void external_inject_ct_upd(struct nf_conntrack *ct) { int ret; /* if we successfully update the entry, everything is OK */ if (nl_update_conntrack(inject, ct, 0) != -1) { external_inject_stat.upd_ok++; return; } /* state entries does not exist, we have to create it */ if (errno == ENOENT) { if (nl_create_conntrack(inject, ct, 0) == -1) { external_inject_stat.upd_fail++; dlog(LOG_ERR, "inject-upd1: %s", strerror(errno)); dlog_ct(STATE(log), ct, NFCT_O_PLAIN); } else { external_inject_stat.upd_ok++; } return; } /* we failed to update the entry, there are some operations that * may trigger this error, eg. unset some status bits. Try harder, * delete the existing entry and create a new one. */ ret = nl_destroy_conntrack(inject, ct); if (ret == 0 || (ret == -1 && errno == ENOENT)) { if (nl_create_conntrack(inject, ct, 0) == -1) { external_inject_stat.upd_fail++; dlog(LOG_ERR, "inject-upd2: %s", strerror(errno)); dlog_ct(STATE(log), ct, NFCT_O_PLAIN); } else { external_inject_stat.upd_ok++; } return; } external_inject_stat.upd_fail++; dlog(LOG_ERR, "inject-upd3: %s", strerror(errno)); dlog_ct(STATE(log), ct, NFCT_O_PLAIN); } static void external_inject_ct_del(struct nf_conntrack *ct) { if (nl_destroy_conntrack(inject, ct) == -1) { if (errno != ENOENT) { external_inject_stat.del_fail++; dlog(LOG_ERR, "inject-del: %s", strerror(errno)); dlog_ct(STATE(log), ct, NFCT_O_PLAIN); } } else { external_inject_stat.del_ok++; } } static void external_inject_ct_dump(int fd, int type) { } static int external_inject_ct_commit(struct nfct_handle *h, int fd) { /* close the commit socket. */ return LOCAL_RET_OK; } static void external_inject_ct_flush(void) { } static void external_inject_ct_stats(int fd) { char buf[512]; int size; size = sprintf(buf, "external inject:\n" "connections created:\t\t%12u\tfailed:\t%12u\n" "connections updated:\t\t%12u\tfailed:\t%12u\n" "connections destroyed:\t\t%12u\tfailed:\t%12u\n\n", external_inject_stat.add_ok, external_inject_stat.add_fail, external_inject_stat.upd_ok, external_inject_stat.upd_fail, external_inject_stat.del_ok, external_inject_stat.del_fail); send(fd, buf, size, 0); } struct { uint32_t add_ok; uint32_t add_fail; uint32_t upd_ok; uint32_t upd_fail; uint32_t del_ok; uint32_t del_fail; } exp_external_inject_stat; static void external_inject_exp_new(struct nf_expect *exp) { int ret, retry = 1; retry: if (nl_create_expect(inject, exp, 0) == -1) { /* if the state entry exists, we delete and try again */ if (errno == EEXIST && retry == 1) { ret = nl_destroy_expect(inject, exp); if (ret == 0 || (ret == -1 && errno == ENOENT)) { if (retry) { retry = 0; goto retry; } } exp_external_inject_stat.add_fail++; dlog(LOG_ERR, "inject-add1: %s", strerror(errno)); dlog_exp(STATE(log), exp, NFCT_O_PLAIN); return; } exp_external_inject_stat.add_fail++; dlog(LOG_ERR, "inject-add2: %s", strerror(errno)); dlog_exp(STATE(log), exp, NFCT_O_PLAIN); } else { exp_external_inject_stat.add_ok++; } } static void external_inject_exp_del(struct nf_expect *exp) { if (nl_destroy_expect(inject, exp) == -1) { if (errno != ENOENT) { exp_external_inject_stat.del_fail++; dlog(LOG_ERR, "inject-del: %s", strerror(errno)); dlog_exp(STATE(log), exp, NFCT_O_PLAIN); } } else { exp_external_inject_stat.del_ok++; } } static void external_inject_exp_dump(int fd, int type) { } static int external_inject_exp_commit(struct nfct_handle *h, int fd) { /* close the commit socket. */ return LOCAL_RET_OK; } static void external_inject_exp_flush(void) { } static void external_inject_exp_stats(int fd) { char buf[512]; int size; size = sprintf(buf, "external inject:\n" "connections created:\t\t%12u\tfailed:\t%12u\n" "connections updated:\t\t%12u\tfailed:\t%12u\n" "connections destroyed:\t\t%12u\tfailed:\t%12u\n\n", exp_external_inject_stat.add_ok, exp_external_inject_stat.add_fail, exp_external_inject_stat.upd_ok, exp_external_inject_stat.upd_fail, exp_external_inject_stat.del_ok, exp_external_inject_stat.del_fail); send(fd, buf, size, 0); } struct external_handler external_inject = { .init = external_inject_init, .close = external_inject_close, .ct = { .new = external_inject_ct_new, .upd = external_inject_ct_upd, .del = external_inject_ct_del, .dump = external_inject_ct_dump, .commit = external_inject_ct_commit, .flush = external_inject_ct_flush, .stats = external_inject_ct_stats, .stats_ext = external_inject_ct_stats, }, .exp = { .new = external_inject_exp_new, .upd = external_inject_exp_new, .del = external_inject_exp_del, .dump = external_inject_exp_dump, .commit = external_inject_exp_commit, .flush = external_inject_exp_flush, .stats = external_inject_exp_stats, .stats_ext = external_inject_exp_stats, }, }; conntrack-1.4.3/src/fds.c000066400000000000000000000064561257407526400152370ustar00rootroot00000000000000/* * (C) 2006-2012 by Pablo Neira Ayuso * * 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. * * Part of this code has been sponsored by Vyatta Inc. */ #include #include #include #include #include "conntrackd.h" #include "date.h" #include "fds.h" struct fds *create_fds(void) { struct fds *fds; fds = (struct fds *) calloc(sizeof(struct fds), 1); if (fds == NULL) return NULL; INIT_LIST_HEAD(&fds->list); return fds; } void destroy_fds(struct fds *fds) { struct fds_item *this, *tmp; list_for_each_entry_safe(this, tmp, &fds->list, head) { list_del(&this->head); FD_CLR(this->fd, &fds->readfds); free(this); } free(fds); } int register_fd(int fd, void (*cb)(void *data), void *data, struct fds *fds) { struct fds_item *item; FD_SET(fd, &fds->readfds); if (fd > fds->maxfd) fds->maxfd = fd; item = calloc(sizeof(struct fds_item), 1); if (item == NULL) return -1; item->fd = fd; item->cb = cb; item->data = data; /* Order matters: the descriptors are served in FIFO basis. */ list_add_tail(&item->head, &fds->list); return 0; } int unregister_fd(int fd, struct fds *fds) { int found = 0, maxfd = -1; struct fds_item *this, *tmp; list_for_each_entry_safe(this, tmp, &fds->list, head) { if (this->fd == fd) { list_del(&this->head); FD_CLR(this->fd, &fds->readfds); free(this); found = 1; /* ... and recalculate maxfd, see below. */ } } /* not found, report an error. */ if (!found) return -1; /* calculate the new maximum fd. */ list_for_each_entry(this, &fds->list, head) { if (maxfd < this->fd) { maxfd = this->fd; } } fds->maxfd = maxfd; return 0; } static void select_main_step(struct timeval *next_alarm) { int ret; fd_set readfds = STATE(fds)->readfds; struct fds_item *cur, *tmp; ret = select(STATE(fds)->maxfd + 1, &readfds, NULL, NULL, next_alarm); if (ret == -1) { /* interrupted syscall, retry */ if (errno == EINTR) return; STATE(stats).select_failed++; return; } /* signals are racy */ sigprocmask(SIG_BLOCK, &STATE(block), NULL); list_for_each_entry_safe(cur, tmp, &STATE(fds)->list, head) { if (FD_ISSET(cur->fd, &readfds)) cur->cb(cur->data); } sigprocmask(SIG_UNBLOCK, &STATE(block), NULL); } void __attribute__((noreturn)) select_main_loop(void) { struct timeval next_alarm; struct timeval *next = NULL; while(1) { do_gettimeofday(); sigprocmask(SIG_BLOCK, &STATE(block), NULL); if (next != NULL && !timerisset(next)) next = do_alarm_run(&next_alarm); else next = get_next_alarm_run(&next_alarm); sigprocmask(SIG_UNBLOCK, &STATE(block), NULL); select_main_step(next); } } conntrack-1.4.3/src/filter.c000066400000000000000000000316311257407526400157410ustar00rootroot00000000000000/* * (C) 2006-2012 by Pablo Neira Ayuso * (C) 2011-2012 by Vyatta 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "filter.h" #include "bitops.h" #include "jhash.h" #include "hash.h" #include "vector.h" #include "conntrackd.h" #include "log.h" #include #include #include #include #include struct ct_filter { int logic[CT_FILTER_MAX]; uint32_t l4protomap[IPPROTO_MAX/32]; uint16_t statemap[IPPROTO_MAX]; struct hashtable *h; struct hashtable *h6; struct vector *v; struct vector *v6; }; /* XXX: These should be configurable, better use a rb-tree */ #define FILTER_POOL_SIZE 128 #define FILTER_POOL_LIMIT INT_MAX static uint32_t ct_filter_hash(const void *data, const struct hashtable *table) { const uint32_t *f = data; return jhash_1word(*f, 0) % table->hashsize; } static uint32_t ct_filter_hash6(const void *data, const struct hashtable *table) { return jhash2(data, 4, 0) % table->hashsize; } static int ct_filter_compare(const void *data1, const void *data2) { const struct ct_filter_ipv4_hnode *f1 = data1; const uint32_t *f2 = data2; return f1->ip == *f2; } static int ct_filter_compare6(const void *data1, const void *data2) { const struct ct_filter_ipv6_hnode *f = data1; return memcmp(f->ipv6, data2, sizeof(uint32_t)*4) == 0; } struct ct_filter *ct_filter_create(void) { int i; struct ct_filter *filter; filter = calloc(sizeof(struct ct_filter), 1); if (!filter) return NULL; filter->h = hashtable_create(FILTER_POOL_SIZE, FILTER_POOL_LIMIT, ct_filter_hash, ct_filter_compare); if (!filter->h) { free(filter); return NULL; } filter->h6 = hashtable_create(FILTER_POOL_SIZE, FILTER_POOL_LIMIT, ct_filter_hash6, ct_filter_compare6); if (!filter->h6) { free(filter->h); free(filter); return NULL; } filter->v = vector_create(sizeof(struct ct_filter_netmask_ipv4)); if (!filter->v) { free(filter->h6); free(filter->h); free(filter); return NULL; } filter->v6 = vector_create(sizeof(struct ct_filter_netmask_ipv6)); if (!filter->v6) { free(filter->v); free(filter->h6); free(filter->h); free(filter); return NULL; } for (i=0; ilogic[i] = -1; return filter; } void ct_filter_destroy(struct ct_filter *filter) { hashtable_destroy(filter->h); hashtable_destroy(filter->h6); vector_destroy(filter->v); vector_destroy(filter->v6); free(filter); } /* this is ugly, but it simplifies read_config_yy.y */ static struct ct_filter *__filter_alloc(struct ct_filter *filter) { if (!STATE(us_filter)) { STATE(us_filter) = ct_filter_create(); if (!STATE(us_filter)) { fprintf(stderr, "Can't create ignore pool!\n"); exit(EXIT_FAILURE); } } return STATE(us_filter); } void ct_filter_set_logic(struct ct_filter *filter, enum ct_filter_type type, enum ct_filter_logic logic) { filter = __filter_alloc(filter); filter->logic[type] = logic; } int ct_filter_add_ip(struct ct_filter *filter, void *data, uint8_t family) { int id; filter = __filter_alloc(filter); switch(family) { case AF_INET: id = hashtable_hash(filter->h, data); if (!hashtable_find(filter->h, data, id)) { struct ct_filter_ipv4_hnode *n; n = malloc(sizeof(struct ct_filter_ipv4_hnode)); if (n == NULL) return 0; memcpy(&n->ip, data, sizeof(uint32_t)); hashtable_add(filter->h, &n->node, id); return 0; } break; case AF_INET6: id = hashtable_hash(filter->h6, data); if (!hashtable_find(filter->h6, data, id)) { struct ct_filter_ipv6_hnode *n; n = malloc(sizeof(struct ct_filter_ipv6_hnode)); if (n == NULL) return 0; memcpy(n->ipv6, data, sizeof(uint32_t)*4); hashtable_add(filter->h6, &n->node, id); return 0; } break; } return 1; } static int cmp_ipv4_addr(const void *a, const void *b) { return memcmp(a, b, sizeof(struct ct_filter_netmask_ipv4)) == 0; } static int cmp_ipv6_addr(const void *a, const void *b) { return memcmp(a, b, sizeof(struct ct_filter_netmask_ipv6)) == 0; } int ct_filter_add_netmask(struct ct_filter *filter, void *data, uint8_t family) { filter = __filter_alloc(filter); switch(family) { case AF_INET: if (vector_iterate(filter->v, data, cmp_ipv4_addr)) { errno = EEXIST; return 0; } vector_add(filter->v, data); break; case AF_INET6: if (vector_iterate(filter->v, data, cmp_ipv6_addr)) { errno = EEXIST; return 0; } vector_add(filter->v6, data); break; } return 1; } void ct_filter_add_proto(struct ct_filter *f, int protonum) { f = __filter_alloc(f); set_bit_u32(protonum, f->l4protomap); } void ct_filter_add_state(struct ct_filter *f, int protonum, int val) { f = __filter_alloc(f); set_bit_u16(val, &f->statemap[protonum]); } static inline int __ct_filter_test_ipv4(struct ct_filter *f, const struct nf_conntrack *ct) { int id_src, id_dst; uint32_t src, dst; /* we only use the real source and destination address */ src = nfct_get_attr_u32(ct, ATTR_ORIG_IPV4_SRC); dst = nfct_get_attr_u32(ct, ATTR_REPL_IPV4_SRC); id_src = hashtable_hash(f->h, &src); id_dst = hashtable_hash(f->h, &dst); return hashtable_find(f->h, &src, id_src) || hashtable_find(f->h, &dst, id_dst); } static inline int __ct_filter_test_ipv6(struct ct_filter *f, const struct nf_conntrack *ct) { int id_src, id_dst; const uint32_t *src, *dst; src = nfct_get_attr(ct, ATTR_ORIG_IPV6_SRC); dst = nfct_get_attr(ct, ATTR_REPL_IPV6_SRC); id_src = hashtable_hash(f->h6, src); id_dst = hashtable_hash(f->h6, dst); return hashtable_find(f->h6, src, id_src) || hashtable_find(f->h6, dst, id_dst); } static int __ct_filter_test_mask4(const void *ptr, const void *ct) { const struct ct_filter_netmask_ipv4 *elem = ptr; const uint32_t src = nfct_get_attr_u32(ct, ATTR_ORIG_IPV4_SRC); const uint32_t dst = nfct_get_attr_u32(ct, ATTR_REPL_IPV4_SRC); return ((elem->ip & elem->mask) == (src & elem->mask) || (elem->ip & elem->mask) == (dst & elem->mask)); } static int __ct_filter_test_mask6(const void *ptr, const void *ct) { const struct ct_filter_netmask_ipv6 *elem = ptr; const uint32_t *src = nfct_get_attr(ct, ATTR_ORIG_IPV6_SRC); const uint32_t *dst = nfct_get_attr(ct, ATTR_REPL_IPV6_SRC); return (((elem->ip[0] & elem->mask[0]) == (src[0] & elem->mask[0]) && (elem->ip[1] & elem->mask[1]) == (src[1] & elem->mask[1]) && (elem->ip[2] & elem->mask[2]) == (src[2] & elem->mask[2]) && (elem->ip[3] & elem->mask[3]) == (src[3] & elem->mask[3])) || ((elem->ip[0] & elem->mask[0]) == (dst[0] & elem->mask[0]) && (elem->ip[1] & elem->mask[1]) == (dst[1] & elem->mask[1]) && (elem->ip[2] & elem->mask[2]) == (dst[2] & elem->mask[2]) && (elem->ip[3] & elem->mask[3]) == (dst[3] & elem->mask[3]))); } static int __ct_filter_test_state(struct ct_filter *f, const struct nf_conntrack *ct) { uint16_t val = 0; uint8_t protonum = nfct_get_attr_u8(ct, ATTR_L4PROTO); switch(protonum) { case IPPROTO_TCP: if (!nfct_attr_is_set(ct, ATTR_TCP_STATE)) return -1; val = nfct_get_attr_u8(ct, ATTR_TCP_STATE); break; default: return -1; } return test_bit_u16(val, &f->statemap[protonum]); } static int ct_filter_check(struct ct_filter *f, const struct nf_conntrack *ct) { int ret, protonum = nfct_get_attr_u8(ct, ATTR_L4PROTO); /* no event filtering at all */ if (f == NULL) return 1; if (f->logic[CT_FILTER_L4PROTO] != -1) { ret = test_bit_u32(protonum, f->l4protomap); if (ret ^ f->logic[CT_FILTER_L4PROTO]) return 0; } if (f->logic[CT_FILTER_ADDRESS] != -1) { switch(nfct_get_attr_u8(ct, ATTR_L3PROTO)) { case AF_INET: ret = vector_iterate(f->v, ct, __ct_filter_test_mask4); if (ret ^ f->logic[CT_FILTER_ADDRESS]) return 0; ret = __ct_filter_test_ipv4(f, ct); if (ret ^ f->logic[CT_FILTER_ADDRESS]) return 0; break; case AF_INET6: ret = vector_iterate(f->v6, ct, __ct_filter_test_mask6); if (ret ^ f->logic[CT_FILTER_ADDRESS]) return 0; ret = __ct_filter_test_ipv6(f, ct); if (ret ^ f->logic[CT_FILTER_ADDRESS]) return 0; break; default: break; } } if (f->logic[CT_FILTER_STATE] != -1) { ret = __ct_filter_test_state(f, ct); /* ret is -1 if we don't know what to do */ if (ret != -1 && ret ^ f->logic[CT_FILTER_STATE]) return 0; } return 1; } static inline int ct_filter_sanity_check(const struct nf_conntrack *ct) { if (!nfct_attr_is_set(ct, ATTR_L3PROTO)) { dlog(LOG_ERR, "missing layer 3 protocol"); return 0; } switch(nfct_get_attr_u8(ct, ATTR_L3PROTO)) { case AF_INET: if (!nfct_attr_is_set(ct, ATTR_ORIG_IPV4_SRC) || !nfct_attr_is_set(ct, ATTR_REPL_IPV4_SRC)) { dlog(LOG_ERR, "missing IPv4 address. " "You forgot to load " "nf_conntrack_ipv4?"); return 0; } break; case AF_INET6: if (!nfct_attr_is_set(ct, ATTR_ORIG_IPV6_SRC) || !nfct_attr_is_set(ct, ATTR_REPL_IPV6_SRC)) { dlog(LOG_ERR, "missing IPv6 address. " "You forgot to load " "nf_conntrack_ipv6?"); return 0; } break; } return 1; } /* we do user-space filtering for dump and resyncs */ int ct_filter_conntrack(const struct nf_conntrack *ct, int userspace) { /* missing mandatory attributes in object */ if (!ct_filter_sanity_check(ct)) return 1; if (userspace && !ct_filter_check(STATE(us_filter), ct)) return 1; return 0; } static inline int ct_filter_master_sanity_check(const struct nf_conntrack *master) { if (master == NULL) { dlog(LOG_ERR, "no master tuple in expectation"); return 0; } if (!nfct_attr_is_set(master, ATTR_L3PROTO)) { dlog(LOG_ERR, "missing layer 3 protocol"); return 0; } switch (nfct_get_attr_u8(master, ATTR_L3PROTO)) { case AF_INET: if (!nfct_attr_is_set(master, ATTR_IPV4_SRC) || !nfct_attr_is_set(master, ATTR_IPV4_DST)) { dlog(LOG_ERR, "missing IPv4 address. " "You forgot to load nf_conntrack_ipv4?"); return 0; } break; case AF_INET6: if (!nfct_attr_is_set(master, ATTR_IPV6_SRC) || !nfct_attr_is_set(master, ATTR_IPV6_DST)) { dlog(LOG_ERR, "missing IPv6 address. " "You forgot to load nf_conntrack_ipv6?"); return 0; } break; } return 1; } int ct_filter_master(const struct nf_conntrack *master) { if (!ct_filter_master_sanity_check(master)) return 1; /* Check if we've got a master conntrack for this expectation in our * caches. If there is not, we don't want this expectation either. */ return STATE(mode)->internal->exp.find(master) ? 0 : 1; } struct exp_filter { struct list_head list; }; struct exp_filter *exp_filter_create(void) { struct exp_filter *f; f = calloc(1, sizeof(struct exp_filter)); if (f == NULL) return NULL; INIT_LIST_HEAD(&f->list); return f; } struct exp_filter_item { struct list_head head; char helper_name[NFCT_HELPER_NAME_MAX]; }; /* this is ugly, but it simplifies read_config_yy.y */ static struct exp_filter *exp_filter_alloc(void) { if (STATE(exp_filter) == NULL) { STATE(exp_filter) = exp_filter_create(); if (STATE(exp_filter) == NULL) { fprintf(stderr, "Can't init expectation filtering!\n"); return NULL; } } return STATE(exp_filter);; } int exp_filter_add(struct exp_filter *f, const char *helper_name) { struct exp_filter_item *item; f = exp_filter_alloc(); if (f == NULL) return -1; list_for_each_entry(item, &f->list, head) { if (strncasecmp(item->helper_name, helper_name, NFCT_HELPER_NAME_MAX) == 0) { return -1; } } item = calloc(1, sizeof(struct exp_filter_item)); if (item == NULL) return -1; strncpy(item->helper_name, helper_name, NFCT_HELPER_NAME_MAX); list_add(&item->head, &f->list); return 0; } int exp_filter_find(struct exp_filter *f, const struct nf_expect *exp) { struct exp_filter_item *item; /* if filtering is not active, accept everything. */ if (f == NULL) return 1; list_for_each_entry(item, &f->list, head) { const char *name; if (nfexp_attr_is_set(exp, ATTR_EXP_HELPER_NAME)) name = nfexp_get_attr(exp, ATTR_EXP_HELPER_NAME); else { /* No helper name, this is likely to be a kernel older * which does not include the helper name, just skip * this so we don't crash. */ return 0; } /* we allow partial matching to support things like sip-PORT. */ if (strncasecmp(item->helper_name, name, strlen(item->helper_name)) == 0) { return 1; } } return 0; } conntrack-1.4.3/src/hash.c000066400000000000000000000064231257407526400154000ustar00rootroot00000000000000/* * (C) 2006-2009 by Pablo Neira Ayuso * * 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. * * Description: generic hash table implementation */ #include "hash.h" #include #include #include #include struct hashtable * hashtable_create(int hashsize, int limit, uint32_t (*hash)(const void *data, const struct hashtable *table), int (*compare)(const void *data1, const void *data2)) { int i; struct hashtable *h; int size = sizeof(struct hashtable) + hashsize * sizeof(struct list_head); h = (struct hashtable *) calloc(size, 1); if (h == NULL) { errno = ENOMEM; return NULL; } for (i=0; imembers[i]); h->hashsize = hashsize; h->limit = limit; h->hash = hash; h->compare = compare; return h; } void hashtable_destroy(struct hashtable *h) { free(h); } int hashtable_hash(const struct hashtable *table, const void *data) { return table->hash(data, table); } struct hashtable_node * hashtable_find(const struct hashtable *table, const void *data, int id) { struct list_head *e; struct hashtable_node *n; list_for_each(e, &table->members[id]) { n = list_entry(e, struct hashtable_node, head); if (table->compare(n, data)) { return n; } } errno = ENOENT; return NULL; } int hashtable_add(struct hashtable *table, struct hashtable_node *n, int id) { /* hash table is full */ if (table->count >= table->limit) { errno = ENOSPC; return -1; } list_add(&n->head, &table->members[id]); table->count++; return 0; } void hashtable_del(struct hashtable *table, struct hashtable_node *n) { list_del(&n->head); table->count--; } int hashtable_flush(struct hashtable *table) { uint32_t i; struct list_head *e, *tmp; struct hashtable_node *n; for (i=0; i < table->hashsize; i++) { list_for_each_safe(e, tmp, &table->members[i]) { n = list_entry(e, struct hashtable_node, head); free(n); } } return 0; } int hashtable_iterate_limit(struct hashtable *table, void *data, uint32_t from, uint32_t steps, int (*iterate)(void *data1, void *n)) { uint32_t i; struct list_head *e, *tmp; struct hashtable_node *n; for (i=from; i < table->hashsize && i < from+steps; i++) { list_for_each_safe(e, tmp, &table->members[i]) { n = list_entry(e, struct hashtable_node, head); if (iterate(data, n) == -1) return -1; } } return i; } int hashtable_iterate(struct hashtable *table, void *data, int (*iterate)(void *data1, void *n)) { return hashtable_iterate_limit(table, data, 0, UINT_MAX, iterate); } unsigned int hashtable_counter(const struct hashtable *table) { return table->count; } conntrack-1.4.3/src/helpers.c000066400000000000000000000031711257407526400161140ustar00rootroot00000000000000/* * (C) 2012 by Pablo Neira Ayuso * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation (or any later at your option). * * This code has been sponsored by Vyatta Inc. */ #include "helper.h" #include #include #include #include #include #include #include #include static LIST_HEAD(helper_list); void helper_register(struct ctd_helper *helper) { list_add(&helper->head, &helper_list); } static struct ctd_helper * __helper_find(const char *helper_name, uint8_t l4proto) { struct ctd_helper *cur, *helper = NULL; list_for_each_entry(cur, &helper_list, head) { if (strncmp(cur->name, helper_name, CTD_HELPER_NAME_LEN) != 0) continue; if (cur->l4proto != l4proto) continue; helper = cur; break; } return helper; } struct ctd_helper * helper_find(const char *libdir_path, const char *helper_name, uint8_t l4proto, int flag) { char path[PATH_MAX]; struct ctd_helper *helper; struct stat sb; helper = __helper_find(helper_name, l4proto); if (helper != NULL) return helper; snprintf(path, sizeof(path), "%s/ct_helper_%s.so", libdir_path, helper_name); if (stat(path, &sb) != 0) { if (errno == ENOENT) return NULL; fprintf(stderr, "%s: %s\n", path, 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ps-am \ tags uninstall uninstall-am uninstall-pkglibLTLIBRARIES # Tell versions [3.59,3.63) of GNU make to not export all variables. # Otherwise a system limit (for SysV at least) may be exceeded. .NOEXPORT: conntrack-1.4.3/src/helpers/amanda.c000066400000000000000000000123451257407526400173400ustar00rootroot00000000000000/* * (C) 2013 by Pablo Neira Ayuso * * Adapted from: * * Amanda extension for IP connection tracking * * (C) 2002 by Brian J. Murrell * based on HW's ip_conntrack_irc.c as well as other modules * (C) 2006 Patrick McHardy * * 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 of the License, or (at your option) any later version. */ #include "conntrackd.h" #include "helper.h" #include "myct.h" #include "log.h" #include #include #include #include #include #include #include #include #include #include static int nat_amanda(struct pkt_buff *pkt, uint32_t ctinfo, unsigned int matchoff, unsigned int matchlen, struct nf_expect *exp) { char buffer[sizeof("65535")]; uint16_t port, initial_port; unsigned int ret; const struct nf_conntrack *expected; struct nf_conntrack *nat_tuple; nat_tuple = nfct_new(); if (nat_tuple == NULL) return NF_ACCEPT; expected = nfexp_get_attr(exp, ATTR_EXP_EXPECTED); /* Connection comes from client. */ initial_port = nfct_get_attr_u16(expected, ATTR_PORT_DST); nfexp_set_attr_u32(exp, ATTR_EXP_NAT_DIR, IP_CT_DIR_ORIGINAL); /* libnetfilter_conntrack needs this */ nfct_set_attr_u8(nat_tuple, ATTR_L3PROTO, AF_INET); nfct_set_attr_u32(nat_tuple, ATTR_IPV4_SRC, 0); nfct_set_attr_u32(nat_tuple, ATTR_IPV4_DST, 0); nfct_set_attr_u8(nat_tuple, ATTR_L4PROTO, IPPROTO_TCP); nfct_set_attr_u16(nat_tuple, ATTR_PORT_DST, 0); /* When you see the packet, we need to NAT it the same as the * this one (ie. same IP: it will be TCP and master is UDP). */ nfexp_set_attr(exp, ATTR_EXP_FN, "nat-follow-master"); /* Try to get same port: if not, try to change it. */ for (port = ntohs(initial_port); port != 0; port++) { int res; nfct_set_attr_u16(nat_tuple, ATTR_PORT_SRC, htons(port)); nfexp_set_attr(exp, ATTR_EXP_NAT_TUPLE, nat_tuple); res = cthelper_add_expect(exp); if (res == 0) break; else if (res != -EBUSY) { port = 0; break; } } if (port == 0) { pr_debug("all ports in use\n"); return NF_DROP; } sprintf(buffer, "%u", port); ret = nfq_udp_mangle_ipv4(pkt, matchoff, matchlen, buffer, strlen(buffer)); if (ret != NF_ACCEPT) { pr_debug("cannot mangle packet\n"); cthelper_del_expect(exp); } return ret; } static char amanda_buffer[65536]; static unsigned int master_timeout = 300; enum amanda_strings { SEARCH_CONNECT, SEARCH_NEWLINE, SEARCH_DATA, SEARCH_MESG, SEARCH_INDEX, }; static const char *conns[] = { "DATA ", "MESG ", "INDEX " }; static int amanda_helper_cb(struct pkt_buff *pkt, uint32_t protoff, struct myct *myct, uint32_t ctinfo) { struct nf_expect *exp; char *data, *data_limit, *tmp; unsigned int dataoff, i; uint16_t port, len; int ret = NF_ACCEPT; struct iphdr *iph; union nfct_attr_grp_addr saddr, daddr; /* Only look at packets from the Amanda server */ if (CTINFO2DIR(ctinfo) == IP_CT_DIR_ORIGINAL) return NF_ACCEPT; /* increase the UDP timeout of the master connection as replies from * Amanda clients to the server can be quite delayed */ nfct_set_attr_u32(myct->ct, ATTR_TIMEOUT, master_timeout); /* No data? */ iph = (struct iphdr *)pktb_network_header(pkt); dataoff = iph->ihl*4 + sizeof(struct udphdr); if (dataoff >= pktb_len(pkt)) { pr_debug("amanda_help: pktlen = %u\n", pktb_len(pkt)); return NF_ACCEPT; } memcpy(amanda_buffer, pktb_network_header(pkt) + dataoff, pktb_len(pkt) - dataoff); data = amanda_buffer; data_limit = amanda_buffer + pktb_len(pkt) - dataoff; *data_limit = '\0'; /* Search for the CONNECT string */ data = strstr(data, "CONNECT "); if (!data) goto out; data += strlen("CONNECT "); /* Only search first line. */ if ((tmp = strchr(data, '\n'))) *tmp = '\0'; for (i = 0; i < ARRAY_SIZE(conns); i++) { char *match = strstr(data, conns[i]); if (!match) continue; tmp = data = match + strlen(conns[i]); port = strtoul(data, &data, 10); len = data - tmp; if (port == 0 || len > 5) break; exp = nfexp_new(); if (exp == NULL) return NF_DROP; cthelper_get_addr_src(myct->ct, MYCT_DIR_ORIG, &saddr); cthelper_get_addr_dst(myct->ct, MYCT_DIR_ORIG, &daddr); cthelper_get_port_src(myct->ct, MYCT_DIR_ORIG, &port); if (cthelper_expect_init(exp, myct->ct, 0, &saddr, &daddr, IPPROTO_TCP, NULL, &port, 0)) { nfexp_destroy(exp); return NF_DROP; } if (nfct_get_attr_u32(myct->ct, ATTR_STATUS) & IPS_NAT_MASK) { ret = nat_amanda(pkt, ctinfo, tmp - amanda_buffer, len, exp); } else myct->exp = exp; } out: return ret; } static struct ctd_helper amanda_helper = { .name = "amanda", .l4proto = IPPROTO_UDP, .cb = amanda_helper_cb, .policy = { [0] = { .name = "amanda", .expect_max = ARRAY_SIZE(conns), .expect_timeout = 180, }, }, }; void __attribute__ ((constructor)) amanda_init(void); void amanda_init(void) { helper_register(&amanda_helper); } conntrack-1.4.3/src/helpers/dhcpv6.c000066400000000000000000000057501257407526400173130ustar00rootroot00000000000000/* * (C) 2013 by Pablo Neira Ayuso * * Adapted from: * * DHCPv6 multicast connection tracking helper. * * (c) 2012 Google Inc. * * Original author: Darren Willis * * 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 of the License, or (at your option) any later version. */ #include "conntrackd.h" #include "helper.h" #include "myct.h" #include "log.h" #include #include #include #include #include #include #include #include #include #include #define DHCPV6_CLIENT_PORT 546 static uint16_t dhcpv6_port; /* Timeouts for DHCPv6 replies, in seconds, indexed by message type. */ static const int dhcpv6_timeouts[] = { 0, /* No message has type 0. */ 120, /* Solicit. */ 0, /* Advertise. */ 30, /* Request. */ 4, /* Confirm. */ 600, /* Renew. */ 600, /* Rebind. */ 0, /* Reply. */ 1, /* Release. */ 1, /* Decline. */ 0, /* Reconfigure. */ 120, /* Information Request. */ 0, /* Relay-forward. */ 0 /* Relay-reply. */ }; static inline int ipv6_addr_is_multicast(const struct in6_addr *addr) { return (addr->s6_addr32[0] & htonl(0xFF000000)) == htonl(0xFF000000); } static int dhcpv6_helper_cb(struct pkt_buff *pkt, uint32_t protoff, struct myct *myct, uint32_t ctinfo) { struct iphdr *iph = (struct iphdr *)pktb_network_header(pkt); struct ip6_hdr *ip6h = (struct ip6_hdr *)pktb_network_header(pkt); int dir = CTINFO2DIR(ctinfo); union nfct_attr_grp_addr addr; struct nf_expect *exp; uint8_t *dhcpv6_msg_type; if (iph->version != 6 || !ipv6_addr_is_multicast(&ip6h->ip6_dst)) return NF_ACCEPT; dhcpv6_msg_type = pktb_network_header(pkt) + protoff + sizeof(struct udphdr); if (*dhcpv6_msg_type > ARRAY_SIZE(dhcpv6_timeouts)) { printf("Dropping DHCPv6 message with bad type %u\n", *dhcpv6_msg_type); return NF_DROP; } exp = nfexp_new(); if (exp == NULL) return NF_ACCEPT; cthelper_get_addr_src(myct->ct, dir, &addr); if (cthelper_expect_init(exp, myct->ct, 0, NULL, &addr, IPPROTO_UDP, NULL, &dhcpv6_port, NF_CT_EXPECT_PERMANENT)) { nfexp_destroy(exp); return NF_DROP; } myct->exp = exp; if (dhcpv6_timeouts[*dhcpv6_msg_type] > 0) { nfct_set_attr_u32(myct->ct, ATTR_TIMEOUT, dhcpv6_timeouts[*dhcpv6_msg_type]); } return NF_ACCEPT; } static struct ctd_helper dhcpv6_helper = { .name = "dhcpv6", .l4proto = IPPROTO_UDP, .cb = dhcpv6_helper_cb, .policy = { [0] = { .name = "dhcpv6", .expect_max = 1, .expect_timeout = 300, }, }, }; void __attribute__ ((constructor)) dhcpv6_init(void); void dhcpv6_init(void) { dhcpv6_port = htons(DHCPV6_CLIENT_PORT); helper_register(&dhcpv6_helper); } conntrack-1.4.3/src/helpers/ftp.c000066400000000000000000000367631257407526400167220ustar00rootroot00000000000000/* * (C) 2010-2012 by Pablo Neira Ayuso * * Based on: kernel-space FTP extension for connection tracking. * * This port has been sponsored by Vyatta Inc. * * Original copyright notice: * * (C) 1999-2001 Paul `Rusty' Russell * (C) 2002-2004 Netfilter Core Team * (C) 2003,2004 USAGI/WIDE Project * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include "conntrackd.h" #include "network.h" /* for before and after */ #include "helper.h" #include "myct.h" #include "log.h" #include /* for isdigit */ #include #define _GNU_SOURCE #include #include #include #include #include #include #include static bool loose; /* XXX: export this as config option. */ #define NUM_SEQ_TO_REMEMBER 2 /* This structure exists only once per master */ struct ftp_info { /* Valid seq positions for cmd matching after newline */ uint32_t seq_aft_nl[MYCT_DIR_MAX][NUM_SEQ_TO_REMEMBER]; /* 0 means seq_match_aft_nl not set */ int seq_aft_nl_num[MYCT_DIR_MAX]; }; enum nf_ct_ftp_type { /* PORT command from client */ NF_CT_FTP_PORT, /* PASV response from server */ NF_CT_FTP_PASV, /* EPRT command from client */ NF_CT_FTP_EPRT, /* EPSV response from server */ NF_CT_FTP_EPSV, }; static int get_ipv6_addr(const char *src, size_t dlen, struct in6_addr *dst, uint8_t term) { const char *end; int ret = in6_pton(src, min_t(size_t, dlen, 0xffff), (uint8_t *)dst, term, &end); if (ret > 0) return (int)(end - src); return 0; } static int try_number(const char *data, size_t dlen, uint32_t array[], int array_size, char sep, char term) { uint32_t len; int i; memset(array, 0, sizeof(array[0])*array_size); /* Keep data pointing at next char. */ for (i = 0, len = 0; len < dlen && i < array_size; len++, data++) { if (*data >= '0' && *data <= '9') { array[i] = array[i]*10 + *data - '0'; } else if (*data == sep) i++; else { /* Unexpected character; true if it's the terminator and we're finished. */ if (*data == term && i == array_size - 1) return len; pr_debug("Char %u (got %u nums) `%u' unexpected\n", len, i, *data); return 0; } } pr_debug("Failed to fill %u numbers separated by %c\n", array_size, sep); return 0; } /* Grab port: number up to delimiter */ static int get_port(const char *data, int start, size_t dlen, char delim, struct myct_man *cmd) { uint16_t tmp_port = 0; uint32_t i; for (i = start; i < dlen; i++) { /* Finished? */ if (data[i] == delim) { if (tmp_port == 0) break; cmd->u.port = htons(tmp_port); pr_debug("get_port: return %d\n", tmp_port); return i + 1; } else if (data[i] >= '0' && data[i] <= '9') tmp_port = tmp_port*10 + data[i] - '0'; else { /* Some other crap */ pr_debug("get_port: invalid char.\n"); break; } } return 0; } /* Returns 0, or length of numbers: 192,168,1,1,5,6 */ static int try_rfc959(const char *data, size_t dlen, struct myct_man *cmd, uint16_t l3protonum, char term) { int length; uint32_t array[6]; length = try_number(data, dlen, array, 6, ',', term); if (length == 0) return 0; cmd->u3.ip = htonl((array[0] << 24) | (array[1] << 16) | (array[2] << 8) | array[3]); cmd->u.port = htons((array[4] << 8) | array[5]); return length; } /* Returns 0, or length of numbers: |1|132.235.1.2|6275| or |2|3ffe::1|6275| */ static int try_eprt(const char *data, size_t dlen, struct myct_man *cmd, uint16_t l3protonum, char term) { char delim; int length; /* First character is delimiter, then "1" for IPv4 or "2" for IPv6, then delimiter again. */ if (dlen <= 3) { pr_debug("EPRT: too short\n"); return 0; } delim = data[0]; if (isdigit(delim) || delim < 33 || delim > 126 || data[2] != delim) { pr_debug("try_eprt: invalid delimitter.\n"); return 0; } if ((l3protonum == PF_INET && data[1] != '1') || (l3protonum == PF_INET6 && data[1] != '2')) { pr_debug("EPRT: invalid protocol number.\n"); return 0; } pr_debug("EPRT: Got %c%c%c\n", delim, data[1], delim); if (data[1] == '1') { uint32_t array[4]; /* Now we have IP address. */ length = try_number(data + 3, dlen - 3, array, 4, '.', delim); if (length != 0) cmd->u3.ip = htonl((array[0] << 24) | (array[1] << 16) | (array[2] << 8) | array[3]); } else { /* Now we have IPv6 address. */ length = get_ipv6_addr(data + 3, dlen - 3, (struct in6_addr *)cmd->u3.ip6, delim); } if (length == 0) return 0; pr_debug("EPRT: Got IP address!\n"); /* Start offset includes initial "|1|", and trailing delimiter */ return get_port(data, 3 + length + 1, dlen, delim, cmd); } /* Returns 0, or length of numbers: |||6446| */ static int try_epsv_response(const char *data, size_t dlen, struct myct_man *cmd, uint16_t l3protonum, char term) { char delim; /* Three delimiters. */ if (dlen <= 3) return 0; delim = data[0]; if (isdigit(delim) || delim < 33 || delim > 126 || data[1] != delim || data[2] != delim) return 0; return get_port(data, 3, dlen, delim, cmd); } static struct ftp_search { const char *pattern; size_t plen; char skip; char term; enum nf_ct_ftp_type ftptype; int (*getnum)(const char *, size_t, struct myct_man *, uint16_t, char); } search[MYCT_DIR_MAX][2] = { [MYCT_DIR_ORIG] = { { .pattern = "PORT", .plen = sizeof("PORT") - 1, .skip = ' ', .term = '\r', .ftptype = NF_CT_FTP_PORT, .getnum = try_rfc959, }, { .pattern = "EPRT", .plen = sizeof("EPRT") - 1, .skip = ' ', .term = '\r', .ftptype = NF_CT_FTP_EPRT, .getnum = try_eprt, }, }, [MYCT_DIR_REPL] = { { .pattern = "227 ", .plen = sizeof("227 ") - 1, .skip = '(', .term = ')', .ftptype = NF_CT_FTP_PASV, .getnum = try_rfc959, }, { .pattern = "229 ", .plen = sizeof("229 ") - 1, .skip = '(', .term = ')', .ftptype = NF_CT_FTP_EPSV, .getnum = try_epsv_response, }, }, }; static int ftp_find_pattern(struct pkt_buff *pkt, unsigned int dataoff, unsigned int dlen, const char *pattern, size_t plen, char skip, char term, unsigned int *matchoff, unsigned int *matchlen, struct myct_man *cmd, int (*getnum)(const char *, size_t, struct myct_man *cmd, uint16_t, char), int dir) { char *data = (char *)pktb_network_header(pkt) + dataoff; int numlen; uint32_t i; if (dlen == 0) return 0; /* short packet, skip partial matching. */ if (dlen <= plen) return 0; if (strncmp(data, pattern, plen) != 0) return 0; pr_debug("Pattern matches!\n"); /* Now we've found the constant string, try to skip to the 'skip' character */ for (i = plen; data[i] != skip; i++) if (i == dlen - 1) return 0; /* Skip over the last character */ i++; pr_debug("Skipped up to `%c'!\n", skip); numlen = getnum(data + i, dlen - i, cmd, PF_INET, term); if (!numlen) return 0; pr_debug("Match succeded!\n"); return 1; } /* Look up to see if we're just after a \n. */ static int find_nl_seq(uint32_t seq, struct ftp_info *info, int dir) { int i; for (i = 0; i < info->seq_aft_nl_num[dir]; i++) if (info->seq_aft_nl[dir][i] == seq) return 1; return 0; } /* We don't update if it's older than what we have. */ static void update_nl_seq(uint32_t nl_seq, struct ftp_info *info, int dir) { int i, oldest; /* Look for oldest: if we find exact match, we're done. */ for (i = 0; i < info->seq_aft_nl_num[dir]; i++) { if (info->seq_aft_nl[dir][i] == nl_seq) return; } if (info->seq_aft_nl_num[dir] < NUM_SEQ_TO_REMEMBER) { info->seq_aft_nl[dir][info->seq_aft_nl_num[dir]++] = nl_seq; } else { if (before(info->seq_aft_nl[dir][0], info->seq_aft_nl[dir][1])) oldest = 0; else oldest = 1; if (after(nl_seq, info->seq_aft_nl[dir][oldest])) info->seq_aft_nl[dir][oldest] = nl_seq; } } static int nf_nat_ftp_fmt_cmd(enum nf_ct_ftp_type type, char *buffer, size_t buflen, uint32_t addr, uint16_t port) { switch (type) { case NF_CT_FTP_PORT: case NF_CT_FTP_PASV: return snprintf(buffer, buflen, "%u,%u,%u,%u,%u,%u", ((unsigned char *)&addr)[0], ((unsigned char *)&addr)[1], ((unsigned char *)&addr)[2], ((unsigned char *)&addr)[3], port >> 8, port & 0xFF); case NF_CT_FTP_EPRT: return snprintf(buffer, buflen, "|1|%u.%u.%u.%u|%u|", ((unsigned char *)&addr)[0], ((unsigned char *)&addr)[1], ((unsigned char *)&addr)[2], ((unsigned char *)&addr)[3], port); case NF_CT_FTP_EPSV: return snprintf(buffer, buflen, "|||%u|", port); } return 0; } /* So, this packet has hit the connection tracking matching code. Mangle it, and change the expectation to match the new version. */ static unsigned int nf_nat_ftp(struct pkt_buff *pkt, int dir, int ctinfo, enum nf_ct_ftp_type type, unsigned int matchoff, unsigned int matchlen, struct nf_conntrack *ct, struct nf_expect *exp) { union nfct_attr_grp_addr newip; uint16_t port; char buffer[sizeof("|1|255.255.255.255|65535|")]; unsigned int buflen; const struct nf_conntrack *expected; struct nf_conntrack *nat_tuple; uint16_t initial_port; pr_debug("FTP_NAT: type %i, off %u len %u\n", type, matchoff, matchlen); /* Connection will come from wherever this packet goes, hence !dir */ cthelper_get_addr_dst(ct, !dir, &newip); expected = nfexp_get_attr(exp, ATTR_EXP_EXPECTED); nat_tuple = nfct_new(); if (nat_tuple == NULL) return NF_ACCEPT; initial_port = nfct_get_attr_u16(expected, ATTR_PORT_DST); nfexp_set_attr_u32(exp, ATTR_EXP_NAT_DIR, !dir); /* libnetfilter_conntrack needs this */ nfct_set_attr_u8(nat_tuple, ATTR_L3PROTO, AF_INET); nfct_set_attr_u32(nat_tuple, ATTR_IPV4_SRC, 0); nfct_set_attr_u32(nat_tuple, ATTR_IPV4_DST, 0); nfct_set_attr_u8(nat_tuple, ATTR_L4PROTO, IPPROTO_TCP); nfct_set_attr_u16(nat_tuple, ATTR_PORT_DST, 0); /* When you see the packet, we need to NAT it the same as the * this one. */ nfexp_set_attr(exp, ATTR_EXP_FN, "nat-follow-master"); /* Try to get same port: if not, try to change it. */ for (port = ntohs(initial_port); port != 0; port++) { int ret; nfct_set_attr_u16(nat_tuple, ATTR_PORT_SRC, htons(port)); nfexp_set_attr(exp, ATTR_EXP_NAT_TUPLE, nat_tuple); ret = cthelper_add_expect(exp); if (ret == 0) break; else if (ret != -EBUSY) { port = 0; break; } } if (port == 0) return NF_DROP; buflen = nf_nat_ftp_fmt_cmd(type, buffer, sizeof(buffer), newip.ip, port); if (!buflen) goto out; if (!nfq_tcp_mangle_ipv4(pkt, matchoff, matchlen, buffer, buflen)) goto out; return NF_ACCEPT; out: cthelper_del_expect(exp); return NF_DROP; } static int ftp_helper_cb(struct pkt_buff *pkt, uint32_t protoff, struct myct *myct, uint32_t ctinfo) { struct tcphdr *th; unsigned int dataoff; unsigned int matchoff = 0, matchlen = 0; /* makes gcc happy. */ unsigned int datalen; unsigned int i; int found = 0, ends_in_nl; uint32_t seq; int ret = NF_ACCEPT; struct myct_man cmd; union nfct_attr_grp_addr addr; union nfct_attr_grp_addr daddr; int dir = CTINFO2DIR(ctinfo); struct ftp_info *ftp_info = myct->priv_data; struct nf_expect *exp = NULL; memset(&cmd, 0, sizeof(struct myct_man)); memset(&addr, 0, sizeof(union nfct_attr_grp_addr)); /* Until there's been traffic both ways, don't look in packets. */ if (ctinfo != IP_CT_ESTABLISHED && ctinfo != IP_CT_ESTABLISHED_REPLY) { pr_debug("ftp: Conntrackinfo = %u\n", ctinfo); goto out; } th = (struct tcphdr *) (pktb_network_header(pkt) + protoff); dataoff = protoff + th->doff * 4; datalen = pktb_len(pkt) - dataoff; ends_in_nl = (pktb_network_header(pkt)[pktb_len(pkt) - 1] == '\n'); seq = ntohl(th->seq) + datalen; /* Look up to see if we're just after a \n. */ if (!find_nl_seq(ntohl(th->seq), ftp_info, dir)) { /* Now if this ends in \n, update ftp info. */ pr_debug("nf_conntrack_ftp: wrong seq pos %s(%u) or %s(%u)\n", ftp_info->seq_aft_nl_num[dir] > 0 ? "" : "(UNSET)", ftp_info->seq_aft_nl[dir][0], ftp_info->seq_aft_nl_num[dir] > 1 ? "" : "(UNSET)", ftp_info->seq_aft_nl[dir][1]); goto out_update_nl; } /* Initialize IP/IPv6 addr to expected address (it's not mentioned in EPSV responses) */ cmd.l3num = nfct_get_attr_u16(myct->ct, ATTR_L3PROTO); nfct_get_attr_grp(myct->ct, ATTR_GRP_ORIG_ADDR_SRC, &cmd.u3); for (i = 0; i < ARRAY_SIZE(search[dir]); i++) { found = ftp_find_pattern(pkt, dataoff, datalen, search[dir][i].pattern, search[dir][i].plen, search[dir][i].skip, search[dir][i].term, &matchoff, &matchlen, &cmd, search[dir][i].getnum, dir); if (found) break; } if (found == 0) /* No match */ goto out_update_nl; pr_debug("conntrack_ftp: match `%.*s' (%u bytes at %u)\n", matchlen, pktb_network_header(pkt) + matchoff, matchlen, ntohl(th->seq) + matchoff); /* We refer to the reverse direction ("!dir") tuples here, * because we're expecting something in the other direction. * Doesn't matter unless NAT is happening. */ cthelper_get_addr_dst(myct->ct, !dir, &daddr); cthelper_get_addr_src(myct->ct, dir, &addr); /* Update the ftp info */ if ((cmd.l3num == nfct_get_attr_u16(myct->ct, ATTR_L3PROTO)) && memcmp(&cmd.u3, &addr, sizeof(addr)) != 0) { /* Enrico Scholz's passive FTP to partially RNAT'd ftp server: it really wants us to connect to a different IP address. Simply don't record it for NAT. */ if (cmd.l3num == PF_INET) { pr_debug("conntrack_ftp: NOT RECORDING: %pI4 != %pI4\n", &cmd.u3.ip, &addr); } else { pr_debug("conntrack_ftp: NOT RECORDING: %pI6 != %pI6\n", cmd.u3.ip6, &addr); } /* Thanks to Cristiano Lincoln Mattos for reporting this potential problem (DMZ machines opening holes to internal networks, or the packet filter itself). */ if (!loose) { ret = NF_ACCEPT; goto out; } memcpy(&daddr, &cmd.u3, sizeof(cmd.u3)); } exp = nfexp_new(); if (exp == NULL) goto out_update_nl; cthelper_get_addr_src(myct->ct, !dir, &addr); if (cthelper_expect_init(exp, myct->ct, 0, &addr, &daddr, IPPROTO_TCP, NULL, &cmd.u.port, 0)) { pr_debug("conntrack_ftp: failed to init expectation\n"); goto out_update_nl; } /* Now, NAT might want to mangle the packet, and register the * (possibly changed) expectation itself. */ if (nfct_get_attr_u32(myct->ct, ATTR_STATUS) & IPS_NAT_MASK) { ret = nf_nat_ftp(pkt, dir, ctinfo, search[dir][i].ftptype, matchoff, matchlen, myct->ct, exp); goto out_update_nl; } /* Can't expect this? Best to drop packet now. */ if (cthelper_add_expect(exp) < 0) { pr_debug("conntrack_ftp: cannot add expectation: %s\n", strerror(errno)); ret = NF_DROP; goto out_update_nl; } out_update_nl: if (exp != NULL) nfexp_destroy(exp); /* Now if this ends in \n, update ftp info. Seq may have been * adjusted by NAT code. */ if (ends_in_nl) update_nl_seq(seq, ftp_info, dir); out: return ret; } static struct ctd_helper ftp_helper = { .name = "ftp", .l4proto = IPPROTO_TCP, .cb = ftp_helper_cb, .priv_data_len = sizeof(struct ftp_info), .policy = { [0] = { .name = "ftp", .expect_max = 1, .expect_timeout = 300, }, }, }; void __attribute__ ((constructor)) ftp_init(void); void ftp_init(void) { helper_register(&ftp_helper); } conntrack-1.4.3/src/helpers/rpc.c000066400000000000000000000271051257407526400167030ustar00rootroot00000000000000/* * (C) 2012 by Jozsef Kadlecsik * (C) 2012 by Pablo Neira Ayuso * * Based on: RPC extension for conntrack. * * This port has been sponsored by Vyatta Inc. * * Original copyright notice: * * (C) 2000 by Marcelo Barbosa Lima * (C) 2001 by Rusty Russell * (C) 2002,2003 by Ian (Larry) Latter * (C) 2004,2005 by David Stes * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include "conntrackd.h" #include "network.h" /* for before and after */ #include "helper.h" #include "myct.h" #include "log.h" #include #include #include #include #include #include #include #include #include #include #include /* RFC 1050: RPC: Remote Procedure Call Protocol Specification Version 2 */ /* RFC 1014: XDR: External Data Representation Standard */ #define SUPPORTED_RPC_VERSION 2 struct rpc_info { /* XID */ uint32_t xid; /* program */ uint32_t pm_prog; /* program version */ uint32_t pm_vers; /* transport protocol: TCP|UDP */ uint32_t pm_prot; }; /* So, this packet has hit the connection tracking matching code. Mangle it, and change the expectation to match the new version. */ static unsigned int nf_nat_rpc(struct pkt_buff *pkt, int dir, struct nf_expect *exp, uint8_t proto, uint32_t *port_ptr) { const struct nf_conntrack *expected; struct nf_conntrack *nat_tuple; uint16_t initial_port, port; expected = nfexp_get_attr(exp, ATTR_EXP_EXPECTED); nat_tuple = nfct_new(); if (nat_tuple == NULL) return NF_ACCEPT; initial_port = nfct_get_attr_u16(expected, ATTR_PORT_DST); nfexp_set_attr_u32(exp, ATTR_EXP_NAT_DIR, !dir); /* libnetfilter_conntrack needs this */ nfct_set_attr_u8(nat_tuple, ATTR_L3PROTO, AF_INET); nfct_set_attr_u32(nat_tuple, ATTR_IPV4_SRC, 0); nfct_set_attr_u32(nat_tuple, ATTR_IPV4_DST, 0); nfct_set_attr_u8(nat_tuple, ATTR_L4PROTO, proto); nfct_set_attr_u16(nat_tuple, ATTR_PORT_DST, 0); /* When you see the packet, we need to NAT it the same as the * this one. */ nfexp_set_attr(exp, ATTR_EXP_FN, "nat-follow-master"); /* Try to get same port: if not, try to change it. */ for (port = ntohs(initial_port); port != 0; port++) { int ret; nfct_set_attr_u16(nat_tuple, ATTR_PORT_SRC, htons(port)); nfexp_set_attr(exp, ATTR_EXP_NAT_TUPLE, nat_tuple); ret = cthelper_add_expect(exp); if (ret == 0) break; else if (ret != -EBUSY) { port = 0; break; } } nfct_destroy(nat_tuple); if (port == 0) return NF_DROP; *port_ptr = htonl(port); return NF_ACCEPT; } #define OFFSET(o, n) ((o) += n) #define ROUNDUP(n) ((((n) + 3)/4)*4) static int rpc_call(const uint32_t *data, uint32_t offset, uint32_t datalen, struct rpc_info *rpc_info) { uint32_t p, r; /* RPC CALL message body */ /* call_body { * rpcvers * prog * vers * proc * opaque_auth cred * opaque_auth verf * pmap * } * * opaque_auth { * flavour * opaque[len] <= MAX_AUTH_BYTES * } */ if (datalen < OFFSET(offset, 4*4 + 2*2*4)) { pr_debug("RPC CALL: too short packet: %u < %u\n", datalen, offset); return -1; } /* Check rpcversion */ p = IXDR_GET_INT32(data); if (p != SUPPORTED_RPC_VERSION) { pr_debug("RPC CALL: wrong rpcvers %u != %u\n", p, SUPPORTED_RPC_VERSION); return -1; } /* Skip non-portmap requests */ p = IXDR_GET_INT32(data); if (p != PMAPPROG) { pr_debug("RPC CALL: not portmap %u != %lu\n", p, PMAPPROG); return -1; } /* Check portmap version */ p = IXDR_GET_INT32(data); if (p != PMAPVERS) { pr_debug("RPC CALL: wrong portmap version %u != %lu\n", p, PMAPVERS); return -1; } /* Skip non PMAPPROC_GETPORT requests */ p = IXDR_GET_INT32(data); if (p != PMAPPROC_GETPORT) { pr_debug("RPC CALL: not PMAPPROC_GETPORT %u != %lu\n", p, PMAPPROC_GETPORT); return -1; } /* Check and skip credentials */ r = IXDR_GET_INT32(data); p = IXDR_GET_INT32(data); pr_debug("RPC CALL: cred: %u %u (%u, %u)\n", r, p, datalen, offset); if (p > MAX_AUTH_BYTES) { pr_debug("RPC CALL: invalid sized cred %u > %u\n", p, MAX_AUTH_BYTES); return -1; } r = ROUNDUP(p); if (datalen < OFFSET(offset, r)) { pr_debug("RPC CALL: too short to carry cred: %u < %u, %u\n", datalen, offset, r); return -1; } data += r/4; /* Check and skip verifier */ r = IXDR_GET_INT32(data); p = IXDR_GET_INT32(data); pr_debug("RPC CALL: verf: %u %u (%u, %u)\n", r, p, datalen, offset); if (p > MAX_AUTH_BYTES) { pr_debug("RPC CALL: invalid sized verf %u > %u\n", p, MAX_AUTH_BYTES); return -1; } r = ROUNDUP(p); if (datalen < OFFSET(offset, r)) { pr_debug("RPC CALL: too short to carry verf: %u < %u, %u\n", datalen, offset, r); return -1; } data += r/4; /* pmap { * prog * vers * prot * port * } */ /* Check CALL size */ if (datalen != offset + 4*4) { pr_debug("RPC CALL: invalid size to carry pmap: %u != %u\n", datalen, offset + 4*4); return -1; } rpc_info->pm_prog = IXDR_GET_INT32(data); rpc_info->pm_vers = IXDR_GET_INT32(data); rpc_info->pm_prot = IXDR_GET_INT32(data); /* Check supported protocols */ if (!(rpc_info->pm_prot == IPPROTO_TCP || rpc_info->pm_prot == IPPROTO_UDP)) { pr_debug("RPC CALL: unsupported protocol %u", rpc_info->pm_prot); return -1; } p = IXDR_GET_INT32(data); /* Check port: must be zero */ if (p != 0) { pr_debug("RPC CALL: port is nonzero %u\n", ntohl(p)); return -1; } pr_debug("RPC CALL: processed: xid %u, prog %u, vers %u, prot %u\n", rpc_info->xid, rpc_info->pm_prog, rpc_info->pm_vers, rpc_info->pm_prot); return 0; } static int rpc_reply(uint32_t *data, uint32_t offset, uint32_t datalen, struct rpc_info *rpc_info, uint32_t **port_ptr) { uint16_t port; uint32_t p, r; /* RPC REPLY message body */ /* reply_body { * reply_stat * xdr_union { * accepted_reply * rejected_reply * } * } * accepted_reply { * opaque_auth verf * accept_stat * xdr_union { * port * struct mismatch_info * } * } */ /* Check size: reply status */ if (datalen < OFFSET(offset, 4)) { pr_debug("RPC REPL: too short, missing rp_stat: %u < %u\n", datalen, offset); return -1; } p = IXDR_GET_INT32(data); /* Check accepted request */ if (p != MSG_ACCEPTED) { pr_debug("RPC REPL: not accepted %u != %u\n", p, MSG_ACCEPTED); return -1; } /* Check and skip verifier */ if (datalen < OFFSET(offset, 2*4)) { pr_debug("RPC REPL: too short, missing verf: %u < %u\n", datalen, offset); return -1; } r = IXDR_GET_INT32(data); p = IXDR_GET_INT32(data); pr_debug("RPC REPL: verf: %u %u (%u, %u)\n", r, p, datalen, offset); if (p > MAX_AUTH_BYTES) { pr_debug("RPC REPL: invalid sized verf %u > %u\n", p, MAX_AUTH_BYTES); return -1; } r = ROUNDUP(p); /* verifier + ac_stat + port */ if (datalen != OFFSET(offset, r) + 2*4) { pr_debug("RPC REPL: invalid size to carry verf and " "success: %u != %u\n", datalen, offset + 2*4); return -1; } data += r/4; /* Check success */ p = IXDR_GET_INT32(data); if (p != SUCCESS) { pr_debug("RPC REPL: not success %u != %u\n", p, SUCCESS); return -1; } /* Get port */ *port_ptr = data; port = IXDR_GET_INT32(data); /* -Wunused-but-set-parameter */ if (port == 0) { pr_debug("RPC REPL: port is zero\n"); return -1; } pr_debug("RPC REPL: processed: xid %u, prog %u, vers %u, " "prot %u, port %u\n", rpc_info->xid, rpc_info->pm_prog, rpc_info->pm_vers, rpc_info->pm_prot, port); return 0; } static int rpc_helper_cb(struct pkt_buff *pkt, uint32_t protoff, struct myct *myct, uint32_t ctinfo) { int dir = CTINFO2DIR(ctinfo); unsigned int offset = protoff, datalen; uint32_t *data, *port_ptr = NULL, xid; uint16_t port; uint8_t proto = nfct_get_attr_u8(myct->ct, ATTR_L4PROTO); enum msg_type rm_dir; struct rpc_info *rpc_info = myct->priv_data; union nfct_attr_grp_addr addr, daddr; struct nf_expect *exp = NULL; int ret = NF_ACCEPT; /* Until there's been traffic both ways, don't look into TCP packets. */ if (proto == IPPROTO_TCP && ctinfo != IP_CT_ESTABLISHED && ctinfo != IP_CT_ESTABLISHED_REPLY) { pr_debug("TCP RPC: Conntrackinfo = %u\n", ctinfo); return ret; } if (proto == IPPROTO_TCP) { struct tcphdr *th = (struct tcphdr *) (pktb_network_header(pkt) + protoff); offset += th->doff * 4; } else { offset += sizeof(struct udphdr); } /* Skip broken headers */ if (offset % 4) { pr_debug("RPC: broken header: offset %u%%4 != 0\n", offset); return ret; } /* Take into Record Fragment header */ if (proto == IPPROTO_TCP) offset += 4; datalen = pktb_len(pkt); data = (uint32_t *)(pktb_network_header(pkt) + offset); /* rpc_msg { * xid * direction * xdr_union { * call_body * reply_body * } * } */ /* Check minimal msg size: xid + direction */ if (datalen < OFFSET(offset, 2*4)) { pr_debug("RPC: too short packet: %u < %u\n", datalen, offset); return ret; } xid = IXDR_GET_INT32(data); rm_dir = IXDR_GET_INT32(data); /* Check direction */ if (!((rm_dir == CALL && dir == MYCT_DIR_ORIG) || (rm_dir == REPLY && dir == MYCT_DIR_REPL))) { pr_debug("RPC: rm_dir != dir %u != %u\n", rm_dir, dir); goto out; } if (rm_dir == CALL) { if (rpc_call(data, offset, datalen, rpc_info) < 0) goto out; rpc_info->xid = xid; return ret; } else { /* Check XID */ if (xid != rpc_info->xid) { pr_debug("RPC REPL: XID does not match: %u != %u\n", xid, rpc_info->xid); goto out; } if (rpc_reply(data, offset, datalen, rpc_info, &port_ptr) < 0) goto out; port = IXDR_GET_INT32(port_ptr); port = htons(port); /* We refer to the reverse direction ("!dir") tuples here, * because we're expecting something in the other direction. * Doesn't matter unless NAT is happening. */ cthelper_get_addr_dst(myct->ct, !dir, &daddr); cthelper_get_addr_src(myct->ct, !dir, &addr); exp = nfexp_new(); if (exp == NULL) goto out; if (cthelper_expect_init(exp, myct->ct, 0, &addr, &daddr, rpc_info->pm_prot, NULL, &port, NF_CT_EXPECT_PERMANENT)) { pr_debug("RPC: failed to init expectation\n"); goto out_exp; } /* Now, NAT might want to mangle the packet, and register the * (possibly changed) expectation itself. */ if (nfct_get_attr_u32(myct->ct, ATTR_STATUS) & IPS_NAT_MASK) { ret = nf_nat_rpc(pkt, dir, exp, rpc_info->pm_prot, port_ptr); goto out_exp; } /* Can't expect this? Best to drop packet now. */ if (cthelper_add_expect(exp) < 0) { pr_debug("RPC: cannot add expectation: %s\n", strerror(errno)); ret = NF_DROP; } } out_exp: nfexp_destroy(exp); out: rpc_info->xid = 0; return ret; } static struct ctd_helper rpc_helper_tcp = { .name = "rpc", .l4proto = IPPROTO_TCP, .cb = rpc_helper_cb, .priv_data_len = sizeof(struct rpc_info), .policy = { { .name = "rpc", .expect_max = 1, .expect_timeout = 300, }, }, }; static struct ctd_helper rpc_helper_udp = { .name = "rpc", .l4proto = IPPROTO_UDP, .cb = rpc_helper_cb, .priv_data_len = sizeof(struct rpc_info), .policy = { { .name = "rpc", .expect_max = 1, .expect_timeout = 300, }, }, }; void __attribute__ ((constructor)) rpc_init(void); void rpc_init(void) { helper_register(&rpc_helper_tcp); helper_register(&rpc_helper_udp); } conntrack-1.4.3/src/helpers/sane.c000066400000000000000000000102411257407526400170360ustar00rootroot00000000000000/* * (C) 2013 by Pablo Neira Ayuso * * Port this helper to userspace. */ /* SANE connection tracking helper * (SANE = Scanner Access Now Easy) * For documentation about the SANE network protocol see * http://www.sane-project.org/html/doc015.html */ /* * Copyright (C) 2007 Red Hat, Inc. * Author: Michal Schmidt * Based on the FTP conntrack helper (net/netfilter/nf_conntrack_ftp.c): * (C) 1999-2001 Paul `Rusty' Russell * (C) 2002-2004 Netfilter Core Team * (C) 2003,2004 USAGI/WIDE Project * (C) 2003 Yasuyuki Kozakai @USAGI * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include "conntrackd.h" #include "helper.h" #include "myct.h" #include "log.h" #include #include #define _GNU_SOURCE #include #include #include #include #include #include #include enum sane_state { SANE_STATE_NORMAL, SANE_STATE_START_REQUESTED, }; struct sane_request { uint32_t RPC_code; #define SANE_NET_START 7 /* RPC code */ uint32_t handle; }; struct sane_reply_net_start { uint32_t status; #define SANE_STATUS_SUCCESS 0 uint16_t zero; uint16_t port; /* other fields aren't interesting for conntrack */ }; struct nf_ct_sane_master { enum sane_state state; }; static int sane_helper_cb(struct pkt_buff *pkt, uint32_t protoff, struct myct *myct, uint32_t ctinfo) { unsigned int dataoff, datalen; const struct tcphdr *th; void *sb_ptr; int ret = NF_ACCEPT; int dir = CTINFO2DIR(ctinfo); struct nf_ct_sane_master *ct_sane_info = myct->priv_data; struct nf_expect *exp; struct sane_request *req; struct sane_reply_net_start *reply; union nfct_attr_grp_addr saddr; union nfct_attr_grp_addr daddr; /* Until there's been traffic both ways, don't look in packets. */ if (ctinfo != IP_CT_ESTABLISHED && ctinfo != IP_CT_ESTABLISHED_REPLY) return NF_ACCEPT; th = (struct tcphdr *)(pktb_network_header(pkt) + protoff); /* No data? */ dataoff = protoff + th->doff * 4; if (dataoff >= pktb_len(pkt)) return NF_ACCEPT; datalen = pktb_len(pkt) - dataoff; sb_ptr = pktb_network_header(pkt) + dataoff; if (dir == MYCT_DIR_ORIG) { if (datalen != sizeof(struct sane_request)) goto out; req = sb_ptr; if (req->RPC_code != htonl(SANE_NET_START)) { /* Not an interesting command */ ct_sane_info->state = SANE_STATE_NORMAL; goto out; } /* We're interested in the next reply */ ct_sane_info->state = SANE_STATE_START_REQUESTED; goto out; } /* Is it a reply to an uninteresting command? */ if (ct_sane_info->state != SANE_STATE_START_REQUESTED) goto out; /* It's a reply to SANE_NET_START. */ ct_sane_info->state = SANE_STATE_NORMAL; if (datalen < sizeof(struct sane_reply_net_start)) { pr_debug("nf_ct_sane: NET_START reply too short\n"); goto out; } reply = sb_ptr; if (reply->status != htonl(SANE_STATUS_SUCCESS)) { /* saned refused the command */ pr_debug("nf_ct_sane: unsuccessful SANE_STATUS = %u\n", ntohl(reply->status)); goto out; } /* Invalid saned reply? Ignore it. */ if (reply->zero != 0) goto out; exp = nfexp_new(); if (exp == NULL) return NF_DROP; cthelper_get_addr_src(myct->ct, MYCT_DIR_ORIG, &saddr); cthelper_get_addr_dst(myct->ct, MYCT_DIR_ORIG, &daddr); if (cthelper_expect_init(exp, myct->ct, 0, &saddr, &daddr, IPPROTO_TCP, NULL, &reply->port, 0)) { nfexp_destroy(exp); return NF_DROP; } myct->exp = exp; out: return ret; } static struct ctd_helper sane_helper = { .name = "sane", .l4proto = IPPROTO_TCP, .priv_data_len = sizeof(struct nf_ct_sane_master), .cb = sane_helper_cb, .policy = { [0] = { .name = "sane", .expect_max = 1, .expect_timeout = 5 * 60, }, }, }; static void __attribute__ ((constructor)) sane_init(void) { helper_register(&sane_helper); } conntrack-1.4.3/src/helpers/ssdp.c000066400000000000000000000070601257407526400170660ustar00rootroot00000000000000/* * SSDP connection tracking helper * (SSDP = Simple Service Discovery Protocol) * For documentation about SSDP see * http://en.wikipedia.org/wiki/Simple_Service_Discovery_Protocol * * Copyright (C) 2014 Ashley Hughes * Based on the SSDP conntrack helper (nf_conntrack_ssdp.c), * :http://marc.info/?t=132945775100001&r=1&w=2 * (C) 2012 Ian Pilcher * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include "conntrackd.h" #include "helper.h" #include "myct.h" #include "log.h" #include #include #include #include #include #include #include #include #include #include #define SSDP_MCAST_ADDR "239.255.255.250" #define UPNP_MCAST_LL_ADDR "FF02::C" /* link-local */ #define UPNP_MCAST_SL_ADDR "FF05::C" /* site-local */ #define SSDP_M_SEARCH "M-SEARCH" #define SSDP_M_SEARCH_SIZE (sizeof SSDP_M_SEARCH - 1) static int ssdp_helper_cb(struct pkt_buff *pkt, uint32_t protoff, struct myct *myct, uint32_t ctinfo) { int ret = NF_ACCEPT; union nfct_attr_grp_addr daddr, saddr, taddr; struct iphdr *net_hdr = (struct iphdr *)pktb_network_header(pkt); int good_packet = 0; struct nf_expect *exp; uint16_t port; unsigned int dataoff; void *sb_ptr; cthelper_get_addr_dst(myct->ct, MYCT_DIR_ORIG, &daddr); switch (nfct_get_attr_u8(myct->ct, ATTR_L3PROTO)) { case AF_INET: inet_pton(AF_INET, SSDP_MCAST_ADDR, &(taddr.ip)); if (daddr.ip == taddr.ip) good_packet = 1; break; case AF_INET6: inet_pton(AF_INET6, UPNP_MCAST_LL_ADDR, &(taddr.ip6)); if (daddr.ip6[0] == taddr.ip6[0] && daddr.ip6[1] == taddr.ip6[1] && daddr.ip6[2] == taddr.ip6[2] && daddr.ip6[3] == taddr.ip6[3]) { good_packet = 1; break; } inet_pton(AF_INET6, UPNP_MCAST_SL_ADDR, &(taddr.ip6)); if (daddr.ip6[0] == taddr.ip6[0] && daddr.ip6[1] == taddr.ip6[1] && daddr.ip6[2] == taddr.ip6[2] && daddr.ip6[3] == taddr.ip6[3]) { good_packet = 1; break; } break; default: break; } if (!good_packet) { pr_debug("ssdp_help: destination address not multicast; ignoring\n"); return NF_ACCEPT; } /* No data? Ignore */ dataoff = net_hdr->ihl*4 + sizeof(struct udphdr); if (dataoff >= pktb_len(pkt)) { pr_debug("ssdp_help: UDP payload too small for M-SEARCH; ignoring\n"); return NF_ACCEPT; } sb_ptr = pktb_network_header(pkt) + dataoff; if (memcmp(sb_ptr, SSDP_M_SEARCH, SSDP_M_SEARCH_SIZE) != 0) { pr_debug("ssdp_help: UDP payload does not begin with 'M-SEARCH'; ignoring\n"); return NF_ACCEPT; } cthelper_get_addr_src(myct->ct, MYCT_DIR_ORIG, &saddr); cthelper_get_port_src(myct->ct, MYCT_DIR_ORIG, &port); exp = nfexp_new(); if (exp == NULL) return NF_DROP; if (cthelper_expect_init(exp, myct->ct, 0, NULL, &saddr, IPPROTO_UDP, NULL, &port, NF_CT_EXPECT_PERMANENT)) { nfexp_destroy(exp); return NF_DROP; } myct->exp = exp; return ret; } static struct ctd_helper ssdp_helper = { .name = "ssdp", .l4proto = IPPROTO_UDP, .priv_data_len = 0, .cb = ssdp_helper_cb, .policy = { [0] = { .name = "ssdp", .expect_max = 1, .expect_timeout = 5 * 60, }, }, }; static void __attribute__ ((constructor)) ssdp_init(void) { helper_register(&ssdp_helper); } conntrack-1.4.3/src/helpers/tftp.c000066400000000000000000000070271257407526400170750ustar00rootroot00000000000000/* * (C) 2013 by Pablo Neira Ayuso * * Adapted from: * * (C) 2001-2002 Magnus Boden * (C) 2006-2012 Patrick McHardy * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include "conntrackd.h" #include "helper.h" #include "myct.h" #include "log.h" #include #include #include #include #include #include #include #include #include #include struct tftphdr { uint16_t opcode; }; #define TFTP_OPCODE_READ 1 #define TFTP_OPCODE_WRITE 2 #define TFTP_OPCODE_DATA 3 #define TFTP_OPCODE_ACK 4 #define TFTP_OPCODE_ERROR 5 static unsigned int nat_tftp(struct pkt_buff *pkt, uint32_t ctinfo, struct nf_conntrack *ct, struct nf_expect *exp) { struct nf_conntrack *nat_tuple; static uint32_t zero[4] = { 0, 0, 0, 0 }; nat_tuple = nfct_new(); if (nat_tuple == NULL) return NF_ACCEPT; switch (nfct_get_attr_u8(ct, ATTR_L3PROTO)) { case AF_INET: nfct_set_attr_u8(nat_tuple, ATTR_L3PROTO, AF_INET); nfct_set_attr_u32(nat_tuple, ATTR_IPV4_SRC, 0); nfct_set_attr_u32(nat_tuple, ATTR_IPV4_DST, 0); break; case AF_INET6: nfct_set_attr_u8(nat_tuple, ATTR_L3PROTO, AF_INET6); nfct_set_attr(nat_tuple, ATTR_IPV6_SRC, &zero); nfct_set_attr(nat_tuple, ATTR_IPV6_DST, &zero); break; } nfct_set_attr_u8(nat_tuple, ATTR_L4PROTO, IPPROTO_UDP); nfct_set_attr_u16(nat_tuple, ATTR_PORT_SRC, nfct_get_attr_u16(ct, ATTR_PORT_SRC)); nfct_set_attr_u16(nat_tuple, ATTR_PORT_DST, 0); nfexp_set_attr_u32(exp, ATTR_EXP_NAT_DIR, MYCT_DIR_REPL); nfexp_set_attr(exp, ATTR_EXP_FN, "nat-follow-master"); nfexp_set_attr(exp, ATTR_EXP_NAT_TUPLE, nat_tuple); return NF_ACCEPT; } static int tftp_helper_cb(struct pkt_buff *pkt, uint32_t protoff, struct myct *myct, uint32_t ctinfo) { const struct tftphdr *tfh; struct nf_expect *exp; unsigned int ret = NF_ACCEPT; union nfct_attr_grp_addr saddr, daddr; uint16_t dport; tfh = (struct tftphdr *)(pktb_network_header(pkt) + protoff + sizeof(struct udphdr)); switch (ntohs(tfh->opcode)) { case TFTP_OPCODE_READ: case TFTP_OPCODE_WRITE: /* RRQ and WRQ works the same way */ exp = nfexp_new(); if (exp == NULL) { pr_debug("cannot alloc expectation\n"); return NF_DROP; } cthelper_get_addr_src(myct->ct, MYCT_DIR_REPL, &saddr); cthelper_get_addr_dst(myct->ct, MYCT_DIR_REPL, &daddr); cthelper_get_port_dst(myct->ct, MYCT_DIR_REPL, &dport); if (cthelper_expect_init(exp, myct->ct, 0, &saddr, &daddr, IPPROTO_UDP, NULL, &dport, 0)) { nfexp_destroy(exp); return NF_DROP; } if (nfct_get_attr_u32(myct->ct, ATTR_STATUS) & IPS_NAT_MASK) ret = nat_tftp(pkt, ctinfo, myct->ct, exp); myct->exp = exp; break; case TFTP_OPCODE_DATA: case TFTP_OPCODE_ACK: pr_debug("Data/ACK opcode\n"); break; case TFTP_OPCODE_ERROR: pr_debug("Error opcode\n"); break; default: pr_debug("Unknown opcode\n"); } return ret; } static struct ctd_helper tftp_helper = { .name = "tftp", .l4proto = IPPROTO_UDP, .cb = tftp_helper_cb, .policy = { [0] = { .name = "tftp", .expect_max = 1, .expect_timeout = 5 * 60, }, }, }; static void __attribute__ ((constructor)) tftp_init(void) { helper_register(&tftp_helper); } conntrack-1.4.3/src/helpers/tns.c000066400000000000000000000237221257407526400167240ustar00rootroot00000000000000/* * (C) 2012 by Jozsef Kadlecsik * (C) 2012 by Pablo Neira Ayuso * * Sponsored by Vyatta Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include "conntrackd.h" #include "network.h" /* for before and after */ #include "helper.h" #include "myct.h" #include "log.h" #include /* for isdigit */ #include #define _GNU_SOURCE #include #include #include #include #include #include #include /* TNS SQL*Net Version 2 */ enum tns_types { TNS_TYPE_CONNECT = 1, TNS_TYPE_ACCEPT = 2, TNS_TYPE_ACK = 3, TNS_TYPE_REFUSE = 4, TNS_TYPE_REDIRECT = 5, TNS_TYPE_DATA = 6, TNS_TYPE_NULL = 7, TNS_TYPE_ABORT = 9, TNS_TYPE_RESEND = 11, TNS_TYPE_MARKER = 12, TNS_TYPE_ATTENTION = 13, TNS_TYPE_CONTROL = 14, TNS_TYPE_MAX = 19, }; struct tns_header { uint16_t len; uint16_t csum; uint8_t type; uint8_t reserved; uint16_t header_csum; }; struct tns_redirect { uint16_t data_len; }; struct tns_info { /* Scan next DATA|REDIRECT packet */ bool parse; }; static int try_number(const char *data, size_t dlen, uint32_t array[], int array_size, char sep, char term) { uint32_t len; int i; memset(array, 0, sizeof(array[0])*array_size); /* Keep data pointing at next char. */ for (i = 0, len = 0; len < dlen && i < array_size; len++, data++) { if (*data >= '0' && *data <= '9') { array[i] = array[i]*10 + *data - '0'; } else if (*data == sep) i++; else { /* Skip spaces. */ if (*data == ' ') continue; /* Unexpected character; true if it's the terminator and we're finished. */ if (*data == term && i == array_size - 1) return len; pr_debug("Char %u (got %u nums) `%c' unexpected\n", len, i, *data); return 0; } } pr_debug("Failed to fill %u numbers separated by %c\n", array_size, sep); return 0; } /* Grab port: number up to delimiter */ static int get_port(const char *data, size_t dlen, char delim, struct myct_man *cmd) { uint16_t tmp_port = 0; uint32_t i; for (i = 0; i < dlen; i++) { /* Finished? */ if (data[i] == delim) { if (tmp_port == 0) break; cmd->u.port = htons(tmp_port); pr_debug("get_port: return %d\n", tmp_port); return i + 1; } else if (data[i] >= '0' && data[i] <= '9') tmp_port = tmp_port*10 + data[i] - '0'; else if (data[i] == ' ') /* Skip spaces */ continue; else { /* Some other crap */ pr_debug("get_port: invalid char `%c'\n", data[i]); break; } } return 0; } /* (ADDRESS=(PROTOCOL=tcp)(DEV=x)(HOST=a.b.c.d)(PORT=a)) */ /* FIXME: handle hostnames */ /* Returns 0, or length of port number */ static unsigned int find_pattern(struct pkt_buff *pkt, unsigned int dataoff, size_t dlen, struct myct_man *cmd, unsigned int *numoff) { const char *data = (const char *)pktb_network_header(pkt) + dataoff + sizeof(struct tns_header); int length, offset, ret; uint32_t array[4]; const char *p, *start; p = strstr(data, "("); if (!p) return 0; p = strstr(p+1, "HOST="); if (!p) { pr_debug("HOST= not found\n"); return 0; } start = p + strlen("HOST="); offset = (int)(p - data) + strlen("HOST="); *numoff = offset + sizeof(struct tns_header); data += offset; length = try_number(data, dlen - offset, array, 4, '.', ')'); if (length == 0) return 0; cmd->u3.ip = htonl((array[0] << 24) | (array[1] << 16) | (array[2] << 8) | array[3]); p = strstr(data+length, "("); if (!p) return 0; p = strstr(p, "PORT="); if (!p) { pr_debug("PORT= not found\n"); return 0; } p += strlen("PORT="); ret = get_port(p, dlen - offset - length, ')', cmd); if (ret == 0) return 0; p += ret; return (int)(p - start); } static inline uint16_t nton(uint16_t len, unsigned int matchoff, unsigned int matchlen) { uint32_t l = (uint32_t)ntohs(len) + matchoff - matchlen; return htons(l); } /* So, this packet has hit the connection tracking matching code. Mangle it, and change the expectation to match the new version. */ static unsigned int nf_nat_tns(struct pkt_buff *pkt, struct tns_header *tns, struct nf_expect *exp, struct nf_conntrack *ct, int dir, unsigned int matchoff, unsigned int matchlen) { union nfct_attr_grp_addr newip; char buffer[sizeof("255.255.255.255)(PORT=65535)")]; unsigned int buflen; const struct nf_conntrack *expected; struct nf_conntrack *nat_tuple; uint16_t initial_port, port; /* Connection will come from wherever this packet goes, hence !dir */ cthelper_get_addr_dst(ct, !dir, &newip); expected = nfexp_get_attr(exp, ATTR_EXP_EXPECTED); nat_tuple = nfct_new(); if (nat_tuple == NULL) return NF_ACCEPT; initial_port = nfct_get_attr_u16(expected, ATTR_PORT_DST); nfexp_set_attr_u32(exp, ATTR_EXP_NAT_DIR, !dir); /* libnetfilter_conntrack needs this */ nfct_set_attr_u8(nat_tuple, ATTR_L3PROTO, AF_INET); nfct_set_attr_u32(nat_tuple, ATTR_IPV4_SRC, 0); nfct_set_attr_u32(nat_tuple, ATTR_IPV4_DST, 0); nfct_set_attr_u8(nat_tuple, ATTR_L4PROTO, IPPROTO_TCP); nfct_set_attr_u16(nat_tuple, ATTR_PORT_DST, 0); /* When you see the packet, we need to NAT it the same as the * this one. */ nfexp_set_attr(exp, ATTR_EXP_FN, "nat-follow-master"); /* Try to get same port: if not, try to change it. */ for (port = ntohs(initial_port); port != 0; port++) { int ret; nfct_set_attr_u16(nat_tuple, ATTR_PORT_SRC, htons(port)); nfexp_set_attr(exp, ATTR_EXP_NAT_TUPLE, nat_tuple); ret = cthelper_add_expect(exp); if (ret == 0) break; else if (ret != -EBUSY) { port = 0; break; } } nfct_destroy(nat_tuple); if (port == 0) return NF_DROP; buflen = snprintf(buffer, sizeof(buffer), "%u.%u.%u.%u)(PORT=%u)", ((unsigned char *)&newip.ip)[0], ((unsigned char *)&newip.ip)[1], ((unsigned char *)&newip.ip)[2], ((unsigned char *)&newip.ip)[3], port); if (!buflen) goto out; if (!nfq_tcp_mangle_ipv4(pkt, matchoff, matchlen, buffer, buflen)) goto out; if (buflen != matchlen) { /* FIXME: recalculate checksum */ tns->csum = 0; tns->header_csum = 0; tns->len = nton(tns->len, matchlen, buflen); if (tns->type == TNS_TYPE_REDIRECT) { struct tns_redirect *r; r = (struct tns_redirect *)((char *)tns + sizeof(struct tns_header)); r->data_len = nton(r->data_len, matchlen, buflen); } } return NF_ACCEPT; out: cthelper_del_expect(exp); return NF_DROP; } static int tns_helper_cb(struct pkt_buff *pkt, uint32_t protoff, struct myct *myct, uint32_t ctinfo) { struct tcphdr *th; struct tns_header *tns; int dir = CTINFO2DIR(ctinfo); unsigned int dataoff, datalen, numoff = 0, numlen; struct tns_info *tns_info = myct->priv_data; union nfct_attr_grp_addr addr; struct nf_expect *exp = NULL; struct myct_man cmd; int ret = NF_ACCEPT; memset(&cmd, 0, sizeof(struct myct_man)); memset(&addr, 0, sizeof(union nfct_attr_grp_addr)); /* Until there's been traffic both ways, don't look into TCP packets. */ if (ctinfo != IP_CT_ESTABLISHED && ctinfo != IP_CT_ESTABLISHED_REPLY) { pr_debug("TNS: Conntrackinfo = %u\n", ctinfo); goto out; } /* Parse server direction only */ if (dir != MYCT_DIR_REPL) { pr_debug("TNS: skip client direction\n"); goto out; } th = (struct tcphdr *) (pktb_network_header(pkt) + protoff); dataoff = protoff + th->doff * 4; datalen = pktb_len(pkt); if (datalen < sizeof(struct tns_header)) { pr_debug("TNS: skip packet with short header\n"); goto out; } tns = (struct tns_header *)(pktb_network_header(pkt) + dataoff); if (tns->type == TNS_TYPE_REDIRECT) { struct tns_redirect *redirect; dataoff += sizeof(struct tns_header); datalen -= sizeof(struct tns_header); redirect = (struct tns_redirect *)(pktb_network_header(pkt) + dataoff); tns_info->parse = false; if (ntohs(redirect->data_len) == 0) { tns_info->parse = true; goto out; } goto parse; } /* Parse only the very next DATA packet */ if (!(tns_info->parse && tns->type == TNS_TYPE_DATA)) { tns_info->parse = false; goto out; } parse: numlen = find_pattern(pkt, dataoff, datalen, &cmd, &numoff); tns_info->parse = false; if (!numlen) goto out; /* We refer to the reverse direction ("!dir") tuples here, * because we're expecting something in the other direction. * Doesn't matter unless NAT is happening. */ cthelper_get_addr_src(myct->ct, !dir, &addr); exp = nfexp_new(); if (exp == NULL) goto out; if (cthelper_expect_init(exp, myct->ct, 0, &addr, &cmd.u3, IPPROTO_TCP, NULL, &cmd.u.port, 0)) { pr_debug("TNS: failed to init expectation\n"); goto out_exp; } /* Now, NAT might want to mangle the packet, and register the * (possibly changed) expectation itself. */ if (nfct_get_attr_u32(myct->ct, ATTR_STATUS) & IPS_NAT_MASK) { ret = nf_nat_tns(pkt, tns, exp, myct->ct, dir, numoff + sizeof(struct tns_header), numlen); goto out_exp; } /* Can't expect this? Best to drop packet now. */ if (cthelper_add_expect(exp) < 0) { pr_debug("TNS: cannot add expectation: %s\n", strerror(errno)); ret = NF_DROP; goto out_exp; } goto out; out_exp: nfexp_destroy(exp); out: return ret; } static struct ctd_helper tns_helper = { .name = "tns", .l4proto = IPPROTO_TCP, .cb = tns_helper_cb, .priv_data_len = sizeof(struct tns_info), .policy = { [0] = { .name = "tns", .expect_max = 1, .expect_timeout = 300, }, }, }; void __attribute__ ((constructor)) tns_init(void); void tns_init(void) { helper_register(&tns_helper); } conntrack-1.4.3/src/internal_bypass.c000066400000000000000000000170701257407526400176520ustar00rootroot00000000000000/* * (C) 2006-2011 by Pablo Neira Ayuso * (C) 2011 by Vyatta 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 of the License, or * (at your option) any later version. * * This feature has been sponsored by 6WIND . */ #include "conntrackd.h" #include "sync.h" #include "log.h" #include "cache.h" #include "netlink.h" #include "network.h" #include "origin.h" static int internal_bypass_init(void) { return 0; } static void internal_bypass_close(void) { } static int internal_bypass_ct_dump_cb(enum nf_conntrack_msg_type type, struct nf_conntrack *ct, void *data) { char buf[1024]; int size, *fd = data; if (ct_filter_conntrack(ct, 1)) return NFCT_CB_CONTINUE; size = nfct_snprintf(buf, 1024, ct, NFCT_T_UNKNOWN, NFCT_O_DEFAULT, 0); if (size < 1024) { buf[size] = '\n'; size++; } send(*fd, buf, size, 0); return NFCT_CB_CONTINUE; } static void internal_bypass_ct_dump(int fd, int type) { struct nfct_handle *h; uint32_t family = AF_UNSPEC; int ret; h = nfct_open(CONFIG(netlink).subsys_id, 0); if (h == NULL) { dlog(LOG_ERR, "can't allocate memory for the internal cache"); return; } nfct_callback_register(h, NFCT_T_ALL, internal_bypass_ct_dump_cb, &fd); ret = nfct_query(h, NFCT_Q_DUMP, &family); if (ret == -1) { dlog(LOG_ERR, "can't dump kernel table"); } nfct_close(h); } static void internal_bypass_ct_flush(void) { nl_flush_conntrack_table_selective(); } struct { uint32_t new; uint32_t upd; uint32_t del; } internal_bypass_stats; static void internal_bypass_ct_stats(int fd) { char buf[512]; int size; size = sprintf(buf, "internal bypass:\n" "connections new:\t\t%12u\n" "connections updated:\t\t%12u\n" "connections destroyed:\t\t%12u\n\n", internal_bypass_stats.new, internal_bypass_stats.upd, internal_bypass_stats.del); send(fd, buf, size, 0); } /* unused, INTERNAL_F_POPULATE is unset. No cache, nothing to populate. */ static void internal_bypass_ct_populate(struct nf_conntrack *ct) { } /* unused, INTERNAL_F_RESYNC is unset. */ static void internal_bypass_ct_purge(void) { } /* unused, INTERNAL_F_RESYNC is unset. Nothing to resync, we have no cache. */ static int internal_bypass_ct_resync(enum nf_conntrack_msg_type type, struct nf_conntrack *ct, void *data) { return NFCT_CB_CONTINUE; } static void internal_bypass_ct_event_new(struct nf_conntrack *ct, int origin) { struct nethdr *net; /* this event has been triggered by me, skip */ if (origin != CTD_ORIGIN_NOT_ME) return; net = BUILD_NETMSG_FROM_CT(ct, NET_T_STATE_CT_NEW); multichannel_send(STATE_SYNC(channel), net); internal_bypass_stats.new++; } static void internal_bypass_ct_event_upd(struct nf_conntrack *ct, int origin) { struct nethdr *net; /* this event has been triggered by me, skip */ if (origin != CTD_ORIGIN_NOT_ME) return; net = BUILD_NETMSG_FROM_CT(ct, NET_T_STATE_CT_UPD); multichannel_send(STATE_SYNC(channel), net); internal_bypass_stats.upd++; } static int internal_bypass_ct_event_del(struct nf_conntrack *ct, int origin) { struct nethdr *net; /* this event has been triggered by me, skip */ if (origin != CTD_ORIGIN_NOT_ME) return 1; net = BUILD_NETMSG_FROM_CT(ct, NET_T_STATE_CT_DEL); multichannel_send(STATE_SYNC(channel), net); internal_bypass_stats.del++; return 1; } static int internal_bypass_exp_dump_cb(enum nf_conntrack_msg_type type, struct nf_expect *exp, void *data) { char buf[1024]; int size, *fd = data; const struct nf_conntrack *master = nfexp_get_attr(exp, ATTR_EXP_MASTER); if (!exp_filter_find(STATE(exp_filter), exp)) return NFCT_CB_CONTINUE; if (ct_filter_conntrack(master, 1)) return NFCT_CB_CONTINUE; size = nfexp_snprintf(buf, 1024, exp, NFCT_T_UNKNOWN, NFCT_O_DEFAULT, 0); if (size < 1024) { buf[size] = '\n'; size++; } send(*fd, buf, size, 0); return NFCT_CB_CONTINUE; } static void internal_bypass_exp_dump(int fd, int type) { struct nfct_handle *h; uint32_t family = AF_UNSPEC; int ret; h = nfct_open(CONFIG(netlink).subsys_id, 0); if (h == NULL) { dlog(LOG_ERR, "can't allocate memory for the internal cache"); return; } nfexp_callback_register(h, NFCT_T_ALL, internal_bypass_exp_dump_cb, &fd); ret = nfexp_query(h, NFCT_Q_DUMP, &family); if (ret == -1) { dlog(LOG_ERR, "can't dump kernel table"); } nfct_close(h); } static void internal_bypass_exp_flush(void) { nl_flush_expect_table(STATE(flush)); } struct { uint32_t new; uint32_t upd; uint32_t del; } exp_internal_bypass_stats; static void internal_bypass_exp_stats(int fd) { char buf[512]; int size; size = sprintf(buf, "internal bypass:\n" "connections new:\t\t%12u\n" "connections updated:\t\t%12u\n" "connections destroyed:\t\t%12u\n\n", exp_internal_bypass_stats.new, exp_internal_bypass_stats.upd, exp_internal_bypass_stats.del); send(fd, buf, size, 0); } /* unused, INTERNAL_F_POPULATE is unset. No cache, nothing to populate. */ static void internal_bypass_exp_populate(struct nf_expect *exp) { } /* unused, INTERNAL_F_RESYNC is unset. */ static void internal_bypass_exp_purge(void) { } /* unused, INTERNAL_F_RESYNC is unset. Nothing to resync, we have no cache. */ static int internal_bypass_exp_resync(enum nf_conntrack_msg_type type, struct nf_expect *exp, void *data) { return NFCT_CB_CONTINUE; } static void internal_bypass_exp_event_new(struct nf_expect *exp, int origin) { struct nethdr *net; /* this event has been triggered by me, skip */ if (origin != CTD_ORIGIN_NOT_ME) return; net = BUILD_NETMSG_FROM_EXP(exp, NET_T_STATE_EXP_NEW); multichannel_send(STATE_SYNC(channel), net); exp_internal_bypass_stats.new++; } static void internal_bypass_exp_event_upd(struct nf_expect *exp, int origin) { struct nethdr *net; /* this event has been triggered by me, skip */ if (origin != CTD_ORIGIN_NOT_ME) return; net = BUILD_NETMSG_FROM_EXP(exp, NET_T_STATE_EXP_UPD); multichannel_send(STATE_SYNC(channel), net); exp_internal_bypass_stats.upd++; } static int internal_bypass_exp_event_del(struct nf_expect *exp, int origin) { struct nethdr *net; /* this event has been triggered by me, skip */ if (origin != CTD_ORIGIN_NOT_ME) return 1; net = BUILD_NETMSG_FROM_EXP(exp, NET_T_STATE_EXP_DEL); multichannel_send(STATE_SYNC(channel), net); exp_internal_bypass_stats.del++; return 1; } static int internal_bypass_exp_master_find(const struct nf_conntrack *master) { return nl_get_conntrack(STATE(get), master) == 0; } struct internal_handler internal_bypass = { .init = internal_bypass_init, .close = internal_bypass_close, .ct = { .dump = internal_bypass_ct_dump, .flush = internal_bypass_ct_flush, .stats = internal_bypass_ct_stats, .stats_ext = internal_bypass_ct_stats, .populate = internal_bypass_ct_populate, .purge = internal_bypass_ct_purge, .resync = internal_bypass_ct_resync, .new = internal_bypass_ct_event_new, .upd = internal_bypass_ct_event_upd, .del = internal_bypass_ct_event_del, }, .exp = { .dump = internal_bypass_exp_dump, .flush = internal_bypass_exp_flush, .stats = internal_bypass_exp_stats, .stats_ext = internal_bypass_exp_stats, .populate = internal_bypass_exp_populate, .purge = internal_bypass_exp_purge, .resync = internal_bypass_exp_resync, .new = internal_bypass_exp_event_new, .upd = internal_bypass_exp_event_upd, .del = internal_bypass_exp_event_del, .find = internal_bypass_exp_master_find, }, }; conntrack-1.4.3/src/internal_cache.c000066400000000000000000000244351257407526400174170ustar00rootroot00000000000000/* * (C) 2006-2011 by Pablo Neira Ayuso * (C) 2011 by Vyatta 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 of the License, or * (at your option) any later version. */ #include "conntrackd.h" #include "sync.h" #include "log.h" #include "cache.h" #include "netlink.h" #include "network.h" #include "origin.h" static inline void sync_send(struct cache_object *obj, int query) { STATE_SYNC(sync)->enqueue(obj, query); } static int internal_cache_init(void) { STATE(mode)->internal->ct.data = cache_create("internal", CACHE_T_CT, STATE_SYNC(sync)->internal_cache_flags, STATE_SYNC(sync)->internal_cache_extra, &cache_sync_internal_ct_ops); if (!STATE(mode)->internal->ct.data) { dlog(LOG_ERR, "can't allocate memory for the internal cache"); return -1; } STATE(mode)->internal->exp.data = cache_create("internal", CACHE_T_EXP, STATE_SYNC(sync)->internal_cache_flags, STATE_SYNC(sync)->internal_cache_extra, &cache_sync_internal_exp_ops); if (!STATE(mode)->internal->exp.data) { dlog(LOG_ERR, "can't allocate memory for the internal cache"); return -1; } return 0; } static void internal_cache_close(void) { cache_destroy(STATE(mode)->internal->ct.data); cache_destroy(STATE(mode)->internal->exp.data); } static void internal_cache_ct_dump(int fd, int type) { cache_dump(STATE(mode)->internal->ct.data, fd, type); } static void internal_cache_ct_flush(void) { cache_flush(STATE(mode)->internal->ct.data); } static void internal_cache_ct_stats(int fd) { cache_stats(STATE(mode)->internal->ct.data, fd); } static void internal_cache_ct_stats_ext(int fd) { cache_stats_extended(STATE(mode)->internal->ct.data, fd); } static void internal_cache_ct_populate(struct nf_conntrack *ct) { /* This is required by kernels < 2.6.20 */ nfct_attr_unset(ct, ATTR_ORIG_COUNTER_BYTES); nfct_attr_unset(ct, ATTR_ORIG_COUNTER_PACKETS); nfct_attr_unset(ct, ATTR_REPL_COUNTER_BYTES); nfct_attr_unset(ct, ATTR_REPL_COUNTER_PACKETS); nfct_attr_unset(ct, ATTR_USE); cache_update_force(STATE(mode)->internal->ct.data, ct); } static int internal_cache_ct_purge_step(void *data1, void *data2) { struct cache_object *obj = data2; STATE(get_retval) = 0; nl_get_conntrack(STATE(get), obj->ptr); /* modifies STATE(get_reval) */ if (!STATE(get_retval)) { if (obj->status != C_OBJ_DEAD) { cache_object_set_status(obj, C_OBJ_DEAD); sync_send(obj, NET_T_STATE_CT_DEL); cache_object_put(obj); } } return 0; } static void internal_cache_ct_purge(void) { cache_iterate(STATE(mode)->internal->ct.data, NULL, internal_cache_ct_purge_step); } static int internal_cache_ct_resync(enum nf_conntrack_msg_type type, struct nf_conntrack *ct, void *data) { struct cache_object *obj; if (ct_filter_conntrack(ct, 1)) return NFCT_CB_CONTINUE; /* This is required by kernels < 2.6.20 */ nfct_attr_unset(ct, ATTR_ORIG_COUNTER_BYTES); nfct_attr_unset(ct, ATTR_ORIG_COUNTER_PACKETS); nfct_attr_unset(ct, ATTR_REPL_COUNTER_BYTES); nfct_attr_unset(ct, ATTR_REPL_COUNTER_PACKETS); nfct_attr_unset(ct, ATTR_USE); obj = cache_update_force(STATE(mode)->internal->ct.data, ct); if (obj == NULL) return NFCT_CB_CONTINUE; switch (obj->status) { case C_OBJ_NEW: sync_send(obj, NET_T_STATE_CT_NEW); break; case C_OBJ_ALIVE: sync_send(obj, NET_T_STATE_CT_UPD); break; } return NFCT_CB_CONTINUE; } static void internal_cache_ct_event_new(struct nf_conntrack *ct, int origin) { struct cache_object *obj; int id; /* this event has been triggered by a direct inject, skip */ if (origin == CTD_ORIGIN_INJECT) return; /* required by linux kernel <= 2.6.20 */ nfct_attr_unset(ct, ATTR_ORIG_COUNTER_BYTES); nfct_attr_unset(ct, ATTR_ORIG_COUNTER_PACKETS); nfct_attr_unset(ct, ATTR_REPL_COUNTER_BYTES); nfct_attr_unset(ct, ATTR_REPL_COUNTER_PACKETS); obj = cache_find(STATE(mode)->internal->ct.data, ct, &id); if (obj == NULL) { retry: obj = cache_object_new(STATE(mode)->internal->ct.data, ct); if (obj == NULL) return; if (cache_add(STATE(mode)->internal->ct.data, obj, id) == -1) { cache_object_free(obj); return; } /* only synchronize events that have been triggered by other * processes or the kernel, but don't propagate events that * have been triggered by conntrackd itself, eg. commits. */ if (origin == CTD_ORIGIN_NOT_ME) sync_send(obj, NET_T_STATE_CT_NEW); } else { cache_del(STATE(mode)->internal->ct.data, obj); cache_object_free(obj); goto retry; } } static void internal_cache_ct_event_upd(struct nf_conntrack *ct, int origin) { struct cache_object *obj; /* this event has been triggered by a direct inject, skip */ if (origin == CTD_ORIGIN_INJECT) return; obj = cache_update_force(STATE(mode)->internal->ct.data, ct); if (obj == NULL) return; if (origin == CTD_ORIGIN_NOT_ME) sync_send(obj, NET_T_STATE_CT_UPD); } static int internal_cache_ct_event_del(struct nf_conntrack *ct, int origin) { struct cache_object *obj; int id; /* this event has been triggered by a direct inject, skip */ if (origin == CTD_ORIGIN_INJECT) return 0; /* we don't synchronize events for objects that are not in the cache */ obj = cache_find(STATE(mode)->internal->ct.data, ct, &id); if (obj == NULL) return 0; if (obj->status != C_OBJ_DEAD) { cache_object_set_status(obj, C_OBJ_DEAD); if (origin == CTD_ORIGIN_NOT_ME) { sync_send(obj, NET_T_STATE_CT_DEL); } cache_object_put(obj); } return 1; } static void internal_cache_exp_dump(int fd, int type) { cache_dump(STATE(mode)->internal->exp.data, fd, type); } static void internal_cache_exp_flush(void) { cache_flush(STATE(mode)->internal->exp.data); } static void internal_cache_exp_stats(int fd) { cache_stats(STATE(mode)->internal->exp.data, fd); } static void internal_cache_exp_stats_ext(int fd) { cache_stats_extended(STATE(mode)->internal->exp.data, fd); } static void internal_cache_exp_populate(struct nf_expect *exp) { cache_update_force(STATE(mode)->internal->exp.data, exp); } static int internal_cache_exp_purge_step(void *data1, void *data2) { struct cache_object *obj = data2; STATE(get_retval) = 0; nl_get_expect(STATE(get), obj->ptr); /* modifies STATE(get_reval) */ if (!STATE(get_retval)) { if (obj->status != C_OBJ_DEAD) { cache_object_set_status(obj, C_OBJ_DEAD); sync_send(obj, NET_T_STATE_EXP_DEL); cache_object_put(obj); } } return 0; } static void internal_cache_exp_purge(void) { cache_iterate(STATE(mode)->internal->exp.data, NULL, internal_cache_exp_purge_step); } static int internal_cache_exp_resync(enum nf_conntrack_msg_type type, struct nf_expect *exp, void *data) { struct cache_object *obj; const struct nf_conntrack *master = nfexp_get_attr(exp, ATTR_EXP_MASTER); if (!exp_filter_find(STATE(exp_filter), exp)) return NFCT_CB_CONTINUE; if (ct_filter_conntrack(master, 1)) return NFCT_CB_CONTINUE; obj = cache_update_force(STATE(mode)->internal->exp.data, exp); if (obj == NULL) return NFCT_CB_CONTINUE; switch (obj->status) { case C_OBJ_NEW: sync_send(obj, NET_T_STATE_EXP_NEW); break; case C_OBJ_ALIVE: sync_send(obj, NET_T_STATE_EXP_UPD); break; } return NFCT_CB_CONTINUE; } static void internal_cache_exp_event_new(struct nf_expect *exp, int origin) { struct cache_object *obj; int id; /* this event has been triggered by a direct inject, skip */ if (origin == CTD_ORIGIN_INJECT) return; obj = cache_find(STATE(mode)->internal->exp.data, exp, &id); if (obj == NULL) { retry: obj = cache_object_new(STATE(mode)->internal->exp.data, exp); if (obj == NULL) return; if (cache_add(STATE(mode)->internal->exp.data, obj, id) == -1) { cache_object_free(obj); return; } /* only synchronize events that have been triggered by other * processes or the kernel, but don't propagate events that * have been triggered by conntrackd itself, eg. commits. */ if (origin == CTD_ORIGIN_NOT_ME) sync_send(obj, NET_T_STATE_EXP_NEW); } else { cache_del(STATE(mode)->internal->exp.data, obj); cache_object_free(obj); goto retry; } } static void internal_cache_exp_event_upd(struct nf_expect *exp, int origin) { struct cache_object *obj; /* this event has been triggered by a direct inject, skip */ if (origin == CTD_ORIGIN_INJECT) return; obj = cache_update_force(STATE(mode)->internal->exp.data, exp); if (obj == NULL) return; if (origin == CTD_ORIGIN_NOT_ME) sync_send(obj, NET_T_STATE_EXP_UPD); } static int internal_cache_exp_event_del(struct nf_expect *exp, int origin) { struct cache_object *obj; int id; /* this event has been triggered by a direct inject, skip */ if (origin == CTD_ORIGIN_INJECT) return 0; /* we don't synchronize events for objects that are not in the cache */ obj = cache_find(STATE(mode)->internal->exp.data, exp, &id); if (obj == NULL) return 0; if (obj->status != C_OBJ_DEAD) { cache_object_set_status(obj, C_OBJ_DEAD); if (origin == CTD_ORIGIN_NOT_ME) { sync_send(obj, NET_T_STATE_EXP_DEL); } cache_object_put(obj); } return 1; } static int internal_cache_exp_master_find(const struct nf_conntrack *master) { struct cache_object *obj; int id; obj = cache_find(STATE(mode)->internal->ct.data, (struct nf_conntrack *)master, &id); return obj ? 1 : 0; } struct internal_handler internal_cache = { .flags = INTERNAL_F_POPULATE | INTERNAL_F_RESYNC, .init = internal_cache_init, .close = internal_cache_close, .ct = { .dump = internal_cache_ct_dump, .flush = internal_cache_ct_flush, .stats = internal_cache_ct_stats, .stats_ext = internal_cache_ct_stats_ext, .populate = internal_cache_ct_populate, .purge = internal_cache_ct_purge, .resync = internal_cache_ct_resync, .new = internal_cache_ct_event_new, .upd = internal_cache_ct_event_upd, .del = internal_cache_ct_event_del, }, .exp = { .dump = internal_cache_exp_dump, .flush = internal_cache_exp_flush, .stats = internal_cache_exp_stats, .stats_ext = internal_cache_exp_stats_ext, .populate = internal_cache_exp_populate, .purge = internal_cache_exp_purge, .resync = internal_cache_exp_resync, .new = internal_cache_exp_event_new, .upd = internal_cache_exp_event_upd, .del = internal_cache_exp_event_del, .find = internal_cache_exp_master_find, }, }; conntrack-1.4.3/src/local.c000066400000000000000000000064611257407526400155510ustar00rootroot00000000000000/* * (C) 2006-2007 by Pablo Neira Ayuso * * 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. * * Description: UNIX sockets library */ #include "local.h" #include #include #include #include #include int local_server_create(struct local_server *server, struct local_conf *conf) { int fd; socklen_t len; struct sockaddr_un local; if ((fd = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) return -1; if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &conf->reuseaddr, sizeof(conf->reuseaddr)) == -1) { close(fd); unlink(conf->path); return -1; } local.sun_family = AF_UNIX; strcpy(local.sun_path, conf->path); len = strlen(local.sun_path) + sizeof(local.sun_family); unlink(conf->path); if (bind(fd, (struct sockaddr *) &local, len) == -1) { close(fd); unlink(conf->path); return -1; } if (listen(fd, conf->backlog) == -1) { close(fd); unlink(conf->path); return -1; } server->fd = fd; strcpy(server->path, conf->path); return 0; } void local_server_destroy(struct local_server *server) { unlink(server->path); close(server->fd); } int do_local_server_step(struct local_server *server, void *data, int (*process)(int fd, void *data)) { int rfd; struct sockaddr_un local; socklen_t sin_size = sizeof(struct sockaddr_un); rfd = accept(server->fd, (struct sockaddr *) &local, &sin_size); if (rfd == -1) return -1; /* This descriptor will be closed later, we ignore OK and errors */ if (process(rfd, data) != LOCAL_RET_STOLEN) close(rfd); return 0; } int local_client_create(struct local_conf *conf) { socklen_t len; struct sockaddr_un local; int fd; if ((fd = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) return -1; local.sun_family = AF_UNIX; strcpy(local.sun_path, conf->path); len = strlen(local.sun_path) + sizeof(local.sun_family); if (connect(fd, (struct sockaddr *) &local, len) == -1) { close(fd); return -1; } return fd; } void local_client_destroy(int fd) { close(fd); } int do_local_client_step(int fd, void (*process)(char *buf)) { char buf[1024]; memset(buf, 0, sizeof(buf)); while (recv(fd, buf, sizeof(buf)-1, 0) > 0) { buf[sizeof(buf)-1] = '\0'; if (process) process(buf); memset(buf, 0, sizeof(buf)); } return 0; } void local_step(char *buf) { printf("%s", buf); } int do_local_request(int request, struct local_conf *conf, void (*step)(char *buf)) { int fd, ret; fd = local_client_create(conf); if (fd == -1) return -1; ret = send(fd, &request, sizeof(int), 0); if (ret == -1) goto err1; do_local_client_step(fd, step); local_client_destroy(fd); return 0; err1: local_client_destroy(fd); return -1; } conntrack-1.4.3/src/log.c000066400000000000000000000101611257407526400152300ustar00rootroot00000000000000/* * (C) 2006 by Pablo Neira Ayuso * * 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. * * Description: Logging support for the conntrack daemon */ #include "log.h" #include "conntrackd.h" #include #include #include #include #include int init_log(void) { if (CONFIG(logfile)[0]) { STATE(log) = fopen(CONFIG(logfile), "a+"); if (STATE(log) == NULL) { fprintf(stderr, "ERROR: can't open logfile `%s'." "Reason: %s\n", CONFIG(logfile), strerror(errno)); return -1; } setlinebuf(STATE(log)); } if (CONFIG(stats).logfile[0]) { STATE(stats_log) = fopen(CONFIG(stats).logfile, "a+"); if (STATE(stats_log) == NULL) { fprintf(stderr, "ERROR: can't open logfile `%s'." "Reason: %s\n", CONFIG(stats).logfile, strerror(errno)); return -1; } setlinebuf(STATE(stats_log)); } if (CONFIG(syslog_facility) != -1 || CONFIG(stats).syslog_facility != -1) openlog(PACKAGE, LOG_PID, CONFIG(syslog_facility)); return 0; } void dlog(int priority, const char *format, ...) { FILE *fd = STATE(log); time_t t; char *buf; const char *prio; va_list args; if (fd) { t = time(NULL); buf = ctime(&t); buf[strlen(buf)-1]='\0'; switch (priority) { case LOG_INFO: prio = "info"; break; case LOG_NOTICE: prio = "notice"; break; case LOG_WARNING: prio = "warning"; break; case LOG_ERR: prio = "ERROR"; break; default: prio = "?"; break; } va_start(args, format); fprintf(fd, "[%s] (pid=%d) [%s] ", buf, getpid(), prio); vfprintf(fd, format, args); va_end(args); fprintf(fd, "\n"); fflush(fd); } if (CONFIG(syslog_facility) != -1) { va_start(args, format); vsyslog(priority, format, args); va_end(args); } } void dlog_ct(FILE *fd, struct nf_conntrack *ct, unsigned int type) { time_t t; char buf[1024]; char *tmp; unsigned int flags = 0; buf[0]='\0'; switch(type) { case NFCT_O_PLAIN: t = time(NULL); ctime_r(&t, buf); tmp = buf + strlen(buf); buf[strlen(buf)-1]='\t'; break; case NFCT_O_XML: tmp = buf; flags |= NFCT_OF_TIME; break; default: return; } nfct_snprintf(buf+strlen(buf), 1024-strlen(buf), ct, 0, type, flags); if (fd) { snprintf(buf+strlen(buf), 1024-strlen(buf), "\n"); fputs(buf, fd); } if (fd == STATE(log)) { /* error reporting */ if (CONFIG(syslog_facility) != -1) syslog(LOG_ERR, "%s", tmp); } else if (fd == STATE(stats_log)) { /* connection logging */ if (CONFIG(stats).syslog_facility != -1) syslog(LOG_INFO, "%s", tmp); } } void dlog_exp(FILE *fd, struct nf_expect *exp, unsigned int type) { time_t t; char buf[1024]; char *tmp; unsigned int flags = 0; buf[0]='\0'; switch(type) { case NFCT_O_PLAIN: t = time(NULL); ctime_r(&t, buf); tmp = buf + strlen(buf); buf[strlen(buf)-1]='\t'; break; default: return; } nfexp_snprintf(buf+strlen(buf), 1024-strlen(buf), exp, 0, type, flags); if (fd) { snprintf(buf+strlen(buf), 1024-strlen(buf), "\n"); fputs(buf, fd); } if (fd == STATE(log)) { /* error reporting */ if (CONFIG(syslog_facility) != -1) syslog(LOG_ERR, "%s", tmp); } else if (fd == STATE(stats_log)) { /* connection logging */ if (CONFIG(stats).syslog_facility != -1) syslog(LOG_INFO, "%s", tmp); } } void close_log(void) { if (STATE(log) != NULL) fclose(STATE(log)); if (STATE(stats_log) != NULL) fclose(STATE(stats_log)); if (CONFIG(syslog_facility) != -1 || CONFIG(stats).syslog_facility != -1) closelog(); } conntrack-1.4.3/src/main.c000066400000000000000000000252531257407526400154030ustar00rootroot00000000000000/* * (C) 2006-2011 by Pablo Neira Ayuso * (C) 2011 by Vyatta 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "conntrackd.h" #include "log.h" #include "helper.h" #include #include #include #include #include #include #include #include #include #include struct ct_general_state st; struct ct_state state; static const char usage_daemon_commands[] = "Daemon mode commands:\n" " -d [options]\t\tRun in daemon mode\n"; static const char usage_client_commands[] = "Client mode commands:\n" " -c [ct|expect], commit external cache to conntrack table\n" " -f [|internal|external], flush internal and external cache\n" " -F [ct|expect], flush kernel conntrack table\n" " -i [ct|expect], display content of the internal cache\n" " -e [ct|expect], display the content of the external cache\n" " -k, kill conntrack daemon\n" " -s [|network|cache|runtime|link|rsqueue|queue|ct|expect], " "dump statistics\n" " -R [ct|expect], resync with kernel conntrack table\n" " -n, request resync with other node (only FT-FW and NOTRACK modes)\n" " -B, force a bulk send to other replica firewalls\n" " -x, dump cache in XML format (requires -i or -e)\n" " -t, reset the kernel timeout (see PurgeTimeout clause)\n" " -v, display conntrackd version\n" " -h, display this help information\n"; static const char usage_options[] = "Options:\n" " -C [configfile], configuration file path\n"; static void show_usage(char *progname) { fprintf(stdout, "Connection tracking userspace daemon v%s\n", VERSION); fprintf(stdout, "Usage: %s [commands] [options]\n\n", progname); fprintf(stdout, "%s\n", usage_daemon_commands); fprintf(stdout, "%s\n", usage_client_commands); fprintf(stdout, "%s\n", usage_options); } static void show_version(void) { fprintf(stdout, "Connection tracking userspace daemon v%s. ", VERSION); fprintf(stdout, "Licensed under GPLv2.\n"); fprintf(stdout, "(C) 2006-2009 Pablo Neira Ayuso "); fprintf(stdout, "\n"); } static void set_operation_mode(int *current, int want, char *argv[]) { if (*current == NOT_SET) { *current = want; return; } if (*current != want) { show_usage(argv[0]); fprintf(stderr, "\nError: Invalid parameters\n"); exit(EXIT_FAILURE); } } static int set_action_by_table(int i, int argc, char *argv[], int ct_action, int exp_action, int dfl_action, int *action) { if (i+1 < argc && argv[i+1][0] != '-') { if (strncmp(argv[i+1], "ct", strlen(argv[i+1])) == 0) { *action = ct_action; i++; } else if (strncmp(argv[i+1], "expect", strlen(argv[i+1])) == 0) { *action = exp_action; i++; } } else *action = dfl_action; return i; } static void set_nice_value(int nv) { errno = 0; if (nice(nv) == -1 && errno) /* warn only */ fprintf(stderr, "Cannot set nice level %d: %s\n", nv, strerror(errno)); } static void do_chdir(const char *d) { if (chdir(d)) fprintf(stderr, "Cannot change current directory to %s: %s\n", d, strerror(errno)); } int main(int argc, char *argv[]) { int ret, i, action = -1; char config_file[PATH_MAX] = {}; int type = 0; struct utsname u; int version, major, minor; /* Check kernel version: it must be >= 2.6.18 */ if (uname(&u) == -1) { fprintf(stderr, "Can't retrieve kernel version via uname()\n"); exit(EXIT_FAILURE); } sscanf(u.release, "%d.%d.%d", &version, &major, &minor); if (version < 2 && major < 6 && minor < 18) { fprintf(stderr, "Linux kernel version must be >= 2.6.18\n"); exit(EXIT_FAILURE); } for (i=1; i= PATH_MAX){ config_file[PATH_MAX-1]='\0'; fprintf(stderr, "Path to config file " "to long. Cutting it " "down to %d characters", PATH_MAX); } break; } show_usage(argv[0]); fprintf(stderr, "Missing config filename\n"); break; case 'F': set_operation_mode(&type, REQUEST, argv); i = set_action_by_table(i, argc, argv, CT_FLUSH_MASTER, EXP_FLUSH_MASTER, ALL_FLUSH_MASTER, &action); break; case 'f': set_operation_mode(&type, REQUEST, argv); if (i+1 < argc && argv[i+1][0] != '-') { if (strncmp(argv[i+1], "internal", strlen(argv[i+1])) == 0) { action = CT_FLUSH_INT_CACHE; i++; } else if (strncmp(argv[i+1], "external", strlen(argv[i+1])) == 0) { action = CT_FLUSH_EXT_CACHE; i++; } else { fprintf(stderr, "ERROR: unknown " "parameter `%s' for " "option `-f'\n", argv[i+1]); exit(EXIT_FAILURE); } } else { /* default to general flushing */ action = ALL_FLUSH_CACHE; } break; case 'R': set_operation_mode(&type, REQUEST, argv); i = set_action_by_table(i, argc, argv, CT_RESYNC_MASTER, EXP_RESYNC_MASTER, ALL_RESYNC_MASTER, &action); break; case 'B': set_operation_mode(&type, REQUEST, argv); action = SEND_BULK; break; case 't': set_operation_mode(&type, REQUEST, argv); action = RESET_TIMERS; break; case 'k': set_operation_mode(&type, REQUEST, argv); action = KILL; break; case 's': set_operation_mode(&type, REQUEST, argv); /* we've got a parameter */ if (i+1 < argc && argv[i+1][0] != '-') { if (strncmp(argv[i+1], "network", strlen(argv[i+1])) == 0) { action = STATS_NETWORK; i++; } else if (strncmp(argv[i+1], "cache", strlen(argv[i+1])) == 0) { action = STATS_CACHE; i++; } else if (strncmp(argv[i+1], "runtime", strlen(argv[i+1])) == 0) { action = STATS_RUNTIME; i++; } else if (strncmp(argv[i+1], "multicast", strlen(argv[i+1])) == 0) { fprintf(stderr, "WARNING: use `link' " "instead of `multicast' as " "parameter.\n"); action = STATS_LINK; i++; } else if (strncmp(argv[i+1], "link", strlen(argv[i+1])) == 0) { action = STATS_LINK; i++; } else if (strncmp(argv[i+1], "rsqueue", strlen(argv[i+1])) == 0) { action = STATS_RSQUEUE; i++; } else if (strncmp(argv[i+1], "process", strlen(argv[i+1])) == 0) { action = STATS_PROCESS; i++; } else if (strncmp(argv[i+1], "queue", strlen(argv[i+1])) == 0) { action = STATS_QUEUE; i++; } else if (strncmp(argv[i+1], "ct", strlen(argv[i+1])) == 0) { action = STATS; i++; } else if (strncmp(argv[i+1], "expect", strlen(argv[i+1])) == 0) { action = EXP_STATS; i++; } else { fprintf(stderr, "ERROR: unknown " "parameter `%s' for " "option `-s'\n", argv[i+1]); exit(EXIT_FAILURE); } } else { /* default to general statistics */ action = STATS; } break; case 'S': fprintf(stderr, "WARNING: -S option is obsolete. " "Ignoring.\n"); break; case 'n': set_operation_mode(&type, REQUEST, argv); action = REQUEST_DUMP; break; case 'x': if (action == CT_DUMP_INTERNAL) action = CT_DUMP_INT_XML; else if (action == CT_DUMP_EXTERNAL) action = CT_DUMP_EXT_XML; else if (action == EXP_DUMP_INTERNAL) action = EXP_DUMP_INT_XML; else if (action == EXP_DUMP_EXTERNAL) action = EXP_DUMP_EXT_XML; else { show_usage(argv[0]); fprintf(stderr, "Error: Invalid parameters\n"); exit(EXIT_FAILURE); } break; case 'v': show_version(); exit(EXIT_SUCCESS); case 'h': show_usage(argv[0]); exit(EXIT_SUCCESS); default: show_usage(argv[0]); fprintf(stderr, "Unknown option: %s\n", argv[i]); return 0; break; } } if (!config_file[0]) strcpy(config_file, DEFAULT_CONFIGFILE); umask(0177); if ((ret = init_config(config_file)) == -1) { fprintf(stderr, "can't open config file `%s'\n", config_file); exit(EXIT_FAILURE); } if (type == REQUEST) { if (do_local_request(action, &conf.local, local_step) == -1) { fprintf(stderr, "can't connect: is conntrackd " "running? appropriate permissions?\n"); exit(EXIT_FAILURE); } exit(EXIT_SUCCESS); } /* * Setting up logging */ if (init_log() == -1) exit(EXIT_FAILURE); /* * lock file */ ret = open(CONFIG(lockfile), O_CREAT | O_EXCL | O_TRUNC, 0600); if (ret == -1) { fprintf(stderr, "lockfile `%s' exists, perhaps conntrackd " "already running?\n", CONFIG(lockfile)); exit(EXIT_FAILURE); } close(ret); /* * Setting process priority and scheduler */ set_nice_value(CONFIG(nice)); if (CONFIG(sched).type != SCHED_OTHER) { struct sched_param schedparam = { .sched_priority = CONFIG(sched).prio, }; ret = sched_setscheduler(0, CONFIG(sched).type, &schedparam); if (ret == -1) { perror("sched"); exit(EXIT_FAILURE); } } /* * initialization process */ if (init() == -1) { close_log(); fprintf(stderr, "ERROR: conntrackd cannot start, please " "check the logfile for more info\n"); unlink(CONFIG(lockfile)); exit(EXIT_FAILURE); } do_chdir("/"); close(STDIN_FILENO); /* Daemonize conntrackd */ if (type == DAEMON) { pid_t pid; if ((pid = fork()) == -1) { perror("fork has failed: "); exit(EXIT_FAILURE); } else if (pid) exit(EXIT_SUCCESS); setsid(); close(STDOUT_FILENO); close(STDERR_FILENO); dlog(LOG_NOTICE, "-- starting in daemon mode --"); } else dlog(LOG_NOTICE, "-- starting in console mode --"); /* * run main process */ select_main_loop(); return 0; } conntrack-1.4.3/src/mcast.c000066400000000000000000000174641257407526400155730ustar00rootroot00000000000000/* * (C) 2006-2009 by Pablo Neira Ayuso * * 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. * * Description: multicast socket library */ #include "mcast.h" #include #include #include #include #include #include #include #include #include #include struct mcast_sock *mcast_server_create(struct mcast_conf *conf) { int yes = 1; union { struct ip_mreq ipv4; struct ipv6_mreq ipv6; } mreq; struct mcast_sock *m; socklen_t socklen = sizeof(int); m = (struct mcast_sock *) malloc(sizeof(struct mcast_sock)); if (!m) return NULL; memset(m, 0, sizeof(struct mcast_sock)); switch(conf->ipproto) { case AF_INET: mreq.ipv4.imr_multiaddr.s_addr = conf->in.inet_addr.s_addr; mreq.ipv4.imr_interface.s_addr =conf->ifa.interface_addr.s_addr; m->addr.ipv4.sin_family = AF_INET; m->addr.ipv4.sin_port = htons(conf->port); m->addr.ipv4.sin_addr.s_addr = htonl(INADDR_ANY); m->sockaddr_len = sizeof(struct sockaddr_in); break; case AF_INET6: memcpy(&mreq.ipv6.ipv6mr_multiaddr, &conf->in.inet_addr6, sizeof(uint32_t) * 4); mreq.ipv6.ipv6mr_interface = conf->ifa.interface_index6; m->addr.ipv6.sin6_family = AF_INET6; m->addr.ipv6.sin6_port = htons(conf->port); m->addr.ipv6.sin6_addr = in6addr_any; m->sockaddr_len = sizeof(struct sockaddr_in6); break; } if ((m->fd = socket(conf->ipproto, SOCK_DGRAM, 0)) == -1) { free(m); return NULL; } if (setsockopt(m->fd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(int)) == -1) { close(m->fd); free(m); return NULL; } #ifndef SO_RCVBUFFORCE #define SO_RCVBUFFORCE 33 #endif if (conf->rcvbuf && setsockopt(m->fd, SOL_SOCKET, SO_RCVBUFFORCE, &conf->rcvbuf, sizeof(int)) == -1) { /* not supported in linux kernel < 2.6.14 */ if (errno != ENOPROTOOPT) { close(m->fd); free(m); return NULL; } } getsockopt(m->fd, SOL_SOCKET, SO_RCVBUF, &conf->rcvbuf, &socklen); if (bind(m->fd, (struct sockaddr *) &m->addr, m->sockaddr_len) == -1) { close(m->fd); free(m); return NULL; } switch(conf->ipproto) { case AF_INET: if (setsockopt(m->fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, &mreq.ipv4, sizeof(mreq.ipv4)) < 0) { close(m->fd); free(m); return NULL; } break; case AF_INET6: if (setsockopt(m->fd, IPPROTO_IPV6, IPV6_JOIN_GROUP, &mreq.ipv6, sizeof(mreq.ipv6)) < 0) { close(m->fd); free(m); return NULL; } break; } return m; } void mcast_server_destroy(struct mcast_sock *m) { close(m->fd); free(m); } static int __mcast_client_create_ipv4(struct mcast_sock *m, struct mcast_conf *conf) { int no = 0; m->addr.ipv4.sin_family = AF_INET; m->addr.ipv4.sin_port = htons(conf->port); m->addr.ipv4.sin_addr = conf->in.inet_addr; m->sockaddr_len = sizeof(struct sockaddr_in); if (setsockopt(m->fd, IPPROTO_IP, IP_MULTICAST_LOOP, &no, sizeof(int)) < 0) { close(m->fd); return -1; } if (setsockopt(m->fd, IPPROTO_IP, IP_MULTICAST_IF, &conf->ifa.interface_addr, sizeof(struct in_addr)) == -1) { close(m->fd); return -1; } return 0; } static int __mcast_client_create_ipv6(struct mcast_sock *m, struct mcast_conf *conf) { int no = 0; m->addr.ipv6.sin6_family = AF_INET6; m->addr.ipv6.sin6_port = htons(conf->port); memcpy(&m->addr.ipv6.sin6_addr, &conf->in.inet_addr6, sizeof(struct in6_addr)); m->sockaddr_len = sizeof(struct sockaddr_in6); if (setsockopt(m->fd, IPPROTO_IPV6, IPV6_MULTICAST_LOOP, &no, sizeof(int)) < 0) { close(m->fd); return -1; } if (setsockopt(m->fd, IPPROTO_IPV6, IPV6_MULTICAST_IF, &conf->ifa.interface_index6, sizeof(unsigned int)) == -1) { close(m->fd); return -1; } return 0; } struct mcast_sock *mcast_client_create(struct mcast_conf *conf) { int ret; struct mcast_sock *m; socklen_t socklen = sizeof(int); m = (struct mcast_sock *) malloc(sizeof(struct mcast_sock)); if (!m) return NULL; memset(m, 0, sizeof(struct mcast_sock)); if ((m->fd = socket(conf->ipproto, SOCK_DGRAM, 0)) == -1) { free(m); return NULL; } if (setsockopt(m->fd, SOL_SOCKET, SO_NO_CHECK, &conf->checksum, sizeof(int)) == -1) { close(m->fd); free(m); return NULL; } #ifndef SO_SNDBUFFORCE #define SO_SNDBUFFORCE 32 #endif if (conf->sndbuf && setsockopt(m->fd, SOL_SOCKET, SO_SNDBUFFORCE, &conf->sndbuf, sizeof(int)) == -1) { /* not supported in linux kernel < 2.6.14 */ if (errno != ENOPROTOOPT) { close(m->fd); free(m); return NULL; } } getsockopt(m->fd, SOL_SOCKET, SO_SNDBUF, &conf->sndbuf, &socklen); switch(conf->ipproto) { case AF_INET: ret = __mcast_client_create_ipv4(m, conf); break; case AF_INET6: ret = __mcast_client_create_ipv6(m, conf); break; default: ret = 0; break; } if (ret == -1) { close(m->fd); free(m); m = NULL; } return m; } void mcast_client_destroy(struct mcast_sock *m) { close(m->fd); free(m); } ssize_t mcast_send(struct mcast_sock *m, const void *data, int size) { ssize_t ret; ret = sendto(m->fd, data, size, 0, (struct sockaddr *) &m->addr, m->sockaddr_len); if (ret == -1) { m->stats.error++; return ret; } m->stats.bytes += ret; m->stats.messages++; return ret; } ssize_t mcast_recv(struct mcast_sock *m, void *data, int size) { ssize_t ret; socklen_t sin_size = sizeof(struct sockaddr_in); ret = recvfrom(m->fd, data, size, 0, (struct sockaddr *)&m->addr, &sin_size); if (ret == -1) { if (errno != EAGAIN) m->stats.error++; return ret; } m->stats.bytes += ret; m->stats.messages++; return ret; } int mcast_get_fd(struct mcast_sock *m) { return m->fd; } int mcast_isset(struct mcast_sock *m, fd_set *readfds) { return FD_ISSET(m->fd, readfds); } int mcast_snprintf_stats(char *buf, size_t buflen, char *ifname, struct mcast_stats *s, struct mcast_stats *r) { size_t size; size = snprintf(buf, buflen, "multicast traffic (active device=%s):\n" "%20llu Bytes sent " "%20llu Bytes recv\n" "%20llu Pckts sent " "%20llu Pckts recv\n" "%20llu Error send " "%20llu Error recv\n\n", ifname, (unsigned long long)s->bytes, (unsigned long long)r->bytes, (unsigned long long)s->messages, (unsigned long long)r->messages, (unsigned long long)s->error, (unsigned long long)r->error); return size; } int mcast_snprintf_stats2(char *buf, size_t buflen, const char *ifname, const char *status, int active, struct mcast_stats *s, struct mcast_stats *r) { size_t size; size = snprintf(buf, buflen, "multicast traffic device=%s status=%s role=%s:\n" "%20llu Bytes sent " "%20llu Bytes recv\n" "%20llu Pckts sent " "%20llu Pckts recv\n" "%20llu Error send " "%20llu Error recv\n\n", ifname, status, active ? "ACTIVE" : "BACKUP", (unsigned long long)s->bytes, (unsigned long long)r->bytes, (unsigned long long)s->messages, (unsigned long long)r->messages, (unsigned long long)s->error, (unsigned long long)r->error); return size; } conntrack-1.4.3/src/multichannel.c000066400000000000000000000045151257407526400171400ustar00rootroot00000000000000/* * (C) 2009 by Pablo Neira Ayuso * * 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 of the License, or * (at your option) any later version. */ #include #include "channel.h" #include "network.h" struct multichannel * multichannel_open(struct channel_conf *conf, int len) { struct multichannel *m; int i, set_default_channel = 0; if (len <= 0 || len > MULTICHANNEL_MAX) return NULL; m = calloc(sizeof(struct multichannel), 1); if (m == NULL) return NULL; m->channel_num = len; for (i = 0; i < len; i++) { m->channel[i] = channel_open(&conf[i]); if (m->channel[i] == NULL) { int j; for (j=0; jchannel[j]); } free(m); return NULL; } if (conf[i].channel_flags & CHANNEL_F_DEFAULT) { m->current = m->channel[i]; set_default_channel = 1; } } if (!set_default_channel) m->current = m->channel[0]; return m; } int multichannel_send(struct multichannel *c, const struct nethdr *net) { return channel_send(c->current, net); } int multichannel_send_flush(struct multichannel *c) { return channel_send_flush(c->current); } int multichannel_recv(struct multichannel *c, char *buf, int size) { return channel_recv(c->current, buf, size); } void multichannel_close(struct multichannel *m) { int i; for (i = 0; i < m->channel_num; i++) { channel_close(m->channel[i]); } free(m); } void multichannel_stats(struct multichannel *m, int fd) { channel_stats(m->current, fd); } void multichannel_stats_extended(struct multichannel *m, struct nlif_handle *h, int fd) { int i, active; for (i = 0; i < m->channel_num; i++) { if (m->current == m->channel[i]) { active = 1; } else { active = 0; } channel_stats_extended(m->channel[i], active, h, fd); } } int multichannel_get_ifindex(struct multichannel *m, int i) { return m->channel[i]->channel_ifindex; } int multichannel_get_current_ifindex(struct multichannel *m) { return m->current->channel_ifindex; } void multichannel_set_current_channel(struct multichannel *m, int i) { m->current = m->channel[i]; } void multichannel_change_current_channel(struct multichannel *m, struct channel *c) { if (m->current != c) m->current = c; } conntrack-1.4.3/src/netlink.c000066400000000000000000000241501257407526400161160ustar00rootroot00000000000000/* * (C) 2006-2011 by Pablo Neira Ayuso * (C) 2011 by Vyatta 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "netlink.h" #include "conntrackd.h" #include "filter.h" #include "log.h" #include #include #include #include #include #include struct nfct_handle *nl_init_event_handler(void) { struct nfct_handle *h; h = nfct_open(CONFIG(netlink).subsys_id, CONFIG(netlink).groups); if (h == NULL) return NULL; if (CONFIG(netlink).events_reliable) { int on = 1; setsockopt(nfct_fd(h), SOL_NETLINK, NETLINK_BROADCAST_SEND_ERROR, &on, sizeof(int)); setsockopt(nfct_fd(h), SOL_NETLINK, NETLINK_NO_ENOBUFS, &on, sizeof(int)); dlog(LOG_NOTICE, "reliable ctnetlink event delivery " "is ENABLED."); } if (STATE(filter)) { if (CONFIG(filter_from_kernelspace)) { if (nfct_filter_attach(nfct_fd(h), STATE(filter)) == -1) { dlog(LOG_ERR, "cannot set event filtering: %s", strerror(errno)); } dlog(LOG_NOTICE, "using kernel-space event filtering"); } else dlog(LOG_NOTICE, "using user-space event filtering"); nfct_filter_destroy(STATE(filter)); } fcntl(nfct_fd(h), F_SETFL, O_NONBLOCK); /* set up socket buffer size */ if (CONFIG(netlink_buffer_size) && CONFIG(netlink_buffer_size) <= CONFIG(netlink_buffer_size_max_grown)) { /* we divide netlink_buffer_size by 2 here since value passed to kernel gets doubled in SO_RCVBUF; see net/core/sock.c */ CONFIG(netlink_buffer_size) = nfnl_rcvbufsiz(nfct_nfnlh(h), CONFIG(netlink_buffer_size)/2); } else { dlog(LOG_NOTICE, "NetlinkBufferSize is either not set or " "is greater than NetlinkBufferSizeMaxGrowth. " "Using current system buffer size"); socklen_t socklen = sizeof(unsigned int); unsigned int read_size; /* get current buffer size */ getsockopt(nfct_fd(h), SOL_SOCKET, SO_RCVBUF, &read_size, &socklen); CONFIG(netlink_buffer_size) = read_size; } dlog(LOG_NOTICE, "netlink event socket buffer size has been set " "to %u bytes", CONFIG(netlink_buffer_size)); return h; } struct nlif_handle *nl_init_interface_handler(void) { struct nlif_handle *h; h = nlif_open(); if (h == NULL) return NULL; if (nlif_query(h) == -1) { free(h); return NULL; } fcntl(nlif_fd(h), F_SETFL, O_NONBLOCK); return h; } static int warned = 0; void nl_resize_socket_buffer(struct nfct_handle *h) { unsigned int s = CONFIG(netlink_buffer_size); /* already warned that we have reached the maximum buffer size */ if (warned) return; /* since sock_setsockopt in net/core/sock.c doubles the size of socket buffer passed to it using nfnl_rcvbufsiz, only call nfnl_rcvbufsiz if new value is not greater than netlink_buffer_size_max_grown */ if (s*2 > CONFIG(netlink_buffer_size_max_grown)) { dlog(LOG_WARNING, "netlink event socket buffer size cannot " "be doubled further since it will exceed " "NetlinkBufferSizeMaxGrowth. We are likely to " "be losing events, this may lead to " "unsynchronized replicas. Please, consider " "increasing netlink socket buffer size via " "NetlinkBufferSize and " "NetlinkBufferSizeMaxGrowth clauses in " "conntrackd.conf"); warned = 1; return; } CONFIG(netlink_buffer_size) = nfnl_rcvbufsiz(nfct_nfnlh(h), s); /* notify the sysadmin */ dlog(LOG_NOTICE, "netlink event socket buffer size has been doubled " "to %u bytes", CONFIG(netlink_buffer_size)); } static const int family = AF_UNSPEC; int nl_dump_conntrack_table(struct nfct_handle *h) { return nfct_query(h, NFCT_Q_DUMP, &family); } static int nl_flush_selective_cb(enum nf_conntrack_msg_type type, struct nf_conntrack *ct, void *data) { /* don't delete this conntrack, it's in the ignore filter */ if (ct_filter_conntrack(ct, 1)) return NFCT_CB_CONTINUE; switch(type) { case NFCT_T_UPDATE: nl_destroy_conntrack(STATE(flush), ct); break; default: STATE(stats).nl_dump_unknown_type++; break; } return NFCT_CB_CONTINUE; } int nl_flush_conntrack_table_selective(void) { struct nfct_handle *h; int ret; h = nfct_open(CONNTRACK, 0); if (h == NULL) { dlog(LOG_ERR, "cannot open handle"); return -1; } nfct_callback_register(h, NFCT_T_ALL, nl_flush_selective_cb, NULL); ret = nfct_query(h, NFCT_Q_DUMP, &family); nfct_close(h); return ret; } int nl_send_resync(struct nfct_handle *h) { return nfct_send(h, NFCT_Q_DUMP, &family); } /* if the handle has no callback, check for existence, otherwise, update */ int nl_get_conntrack(struct nfct_handle *h, const struct nf_conntrack *ct) { int ret = 1; struct nf_conntrack *tmp; tmp = nfct_new(); if (tmp == NULL) return -1; /* use the original tuple to check if it is there */ nfct_copy(tmp, ct, NFCT_CP_ORIG); if (nfct_query(h, NFCT_Q_GET, tmp) == -1) ret = (errno == ENOENT) ? 0 : -1; nfct_destroy(tmp); return ret; } int nl_create_conntrack(struct nfct_handle *h, const struct nf_conntrack *orig, int timeout) { int ret; struct nf_conntrack *ct; ct = nfct_clone(orig); if (ct == NULL) return -1; if (timeout > 0) nfct_set_attr_u32(ct, ATTR_TIMEOUT, timeout); /* we hit error if we try to change the expected bit */ if (nfct_attr_is_set(ct, ATTR_STATUS)) { uint32_t status = nfct_get_attr_u32(ct, ATTR_STATUS); status &= ~IPS_EXPECTED; nfct_set_attr_u32(ct, ATTR_STATUS, status); } nfct_setobjopt(ct, NFCT_SOPT_SETUP_REPLY); /* disable TCP window tracking for recovered connections if required */ if (nfct_attr_is_set(ct, ATTR_TCP_STATE)) { uint8_t flags = IP_CT_TCP_FLAG_SACK_PERM; if (!CONFIG(sync).tcp_window_tracking) flags |= IP_CT_TCP_FLAG_BE_LIBERAL; else flags |= IP_CT_TCP_FLAG_WINDOW_SCALE; /* FIXME: workaround, we should send TCP flags in updates */ if (nfct_get_attr_u8(ct, ATTR_TCP_STATE) >= TCP_CONNTRACK_TIME_WAIT) { flags |= IP_CT_TCP_FLAG_CLOSE_INIT; } nfct_set_attr_u8(ct, ATTR_TCP_FLAGS_ORIG, flags); nfct_set_attr_u8(ct, ATTR_TCP_MASK_ORIG, flags); nfct_set_attr_u8(ct, ATTR_TCP_FLAGS_REPL, flags); nfct_set_attr_u8(ct, ATTR_TCP_MASK_REPL, flags); } ret = nfct_query(h, NFCT_Q_CREATE, ct); nfct_destroy(ct); return ret; } int nl_update_conntrack(struct nfct_handle *h, const struct nf_conntrack *orig, int timeout) { int ret; struct nf_conntrack *ct; ct = nfct_clone(orig); if (ct == NULL) return -1; if (timeout > 0) nfct_set_attr_u32(ct, ATTR_TIMEOUT, timeout); /* unset NAT info, otherwise we hit error */ nfct_attr_unset(ct, ATTR_SNAT_IPV4); nfct_attr_unset(ct, ATTR_DNAT_IPV4); nfct_attr_unset(ct, ATTR_SNAT_PORT); nfct_attr_unset(ct, ATTR_DNAT_PORT); if (nfct_attr_is_set(ct, ATTR_STATUS)) { uint32_t status = nfct_get_attr_u32(ct, ATTR_STATUS); status &= ~IPS_NAT_MASK; nfct_set_attr_u32(ct, ATTR_STATUS, status); } /* we have to unset the helper to avoid EBUSY in reset timers */ if (nfct_attr_is_set(ct, ATTR_HELPER_NAME)) nfct_attr_unset(ct, ATTR_HELPER_NAME); /* we hit error if we try to update the master conntrack */ if (ct_is_related(ct)) { nfct_attr_unset(ct, ATTR_MASTER_L3PROTO); nfct_attr_unset(ct, ATTR_MASTER_L4PROTO); nfct_attr_unset(ct, ATTR_MASTER_IPV4_SRC); nfct_attr_unset(ct, ATTR_MASTER_IPV4_DST); nfct_attr_unset(ct, ATTR_MASTER_IPV6_SRC); nfct_attr_unset(ct, ATTR_MASTER_IPV6_DST); nfct_attr_unset(ct, ATTR_MASTER_PORT_SRC); nfct_attr_unset(ct, ATTR_MASTER_PORT_DST); } /* disable TCP window tracking for recovered connections if required */ if (nfct_attr_is_set(ct, ATTR_TCP_STATE)) { uint8_t flags = IP_CT_TCP_FLAG_SACK_PERM; if (!CONFIG(sync).tcp_window_tracking) flags |= IP_CT_TCP_FLAG_BE_LIBERAL; else flags |= IP_CT_TCP_FLAG_WINDOW_SCALE; /* FIXME: workaround, we should send TCP flags in updates */ if (nfct_get_attr_u8(ct, ATTR_TCP_STATE) >= TCP_CONNTRACK_TIME_WAIT) { flags |= IP_CT_TCP_FLAG_CLOSE_INIT; } nfct_set_attr_u8(ct, ATTR_TCP_FLAGS_ORIG, flags); nfct_set_attr_u8(ct, ATTR_TCP_MASK_ORIG, flags); nfct_set_attr_u8(ct, ATTR_TCP_FLAGS_REPL, flags); nfct_set_attr_u8(ct, ATTR_TCP_MASK_REPL, flags); } ret = nfct_query(h, NFCT_Q_UPDATE, ct); nfct_destroy(ct); return ret; } int nl_destroy_conntrack(struct nfct_handle *h, const struct nf_conntrack *ct) { return nfct_query(h, NFCT_Q_DESTROY, ct); } int nl_create_expect(struct nfct_handle *h, const struct nf_expect *orig, int timeout) { int ret; struct nf_expect *exp; exp = nfexp_clone(orig); if (exp == NULL) return -1; if (timeout > 0) nfexp_set_attr_u32(exp, ATTR_EXP_TIMEOUT, timeout); ret = nfexp_query(h, NFCT_Q_CREATE, exp); nfexp_destroy(exp); return ret; } int nl_destroy_expect(struct nfct_handle *h, const struct nf_expect *exp) { return nfexp_query(h, NFCT_Q_DESTROY, exp); } /* if the handle has no callback, check for existence, otherwise, update */ int nl_get_expect(struct nfct_handle *h, const struct nf_expect *exp) { int ret = 1; struct nf_expect *tmp; /* XXX: we only need the expectation, not the mask and the master. */ tmp = nfexp_clone(exp); if (tmp == NULL) return -1; if (nfexp_query(h, NFCT_Q_GET, tmp) == -1) ret = (errno == ENOENT) ? 0 : -1; nfexp_destroy(tmp); return ret; } int nl_dump_expect_table(struct nfct_handle *h) { return nfexp_query(h, NFCT_Q_DUMP, &family); } int nl_flush_expect_table(struct nfct_handle *h) { return nfexp_query(h, NFCT_Q_FLUSH, &family); } int nl_send_expect_resync(struct nfct_handle *h) { return nfexp_send(h, NFCT_Q_DUMP, &family); } conntrack-1.4.3/src/network.c000066400000000000000000000060731257407526400161470ustar00rootroot00000000000000/* * (C) 2006-2011 by Pablo Neira Ayuso * (C) 2011 by Vyatta 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "conntrackd.h" #include "network.h" #include "log.h" #include #include #include #define NETHDR_ALIGNTO 4 static unsigned int seq_set, cur_seq; int nethdr_align(int value) { return (value + NETHDR_ALIGNTO - 1) & ~(NETHDR_ALIGNTO - 1); } int nethdr_size(int len) { return NETHDR_SIZ + len; } static inline void __nethdr_set(struct nethdr *net, int len) { if (!seq_set) { seq_set = 1; cur_seq = time(NULL); } net->version = CONNTRACKD_PROTOCOL_VERSION; net->len = len; net->seq = cur_seq++; } void nethdr_set(struct nethdr *net, int type) { __nethdr_set(net, NETHDR_SIZ); net->type = type; } void nethdr_set_ack(struct nethdr *net) { __nethdr_set(net, NETHDR_ACK_SIZ); } void nethdr_set_ctl(struct nethdr *net) { __nethdr_set(net, NETHDR_SIZ); } static int local_seq_set = 0; /* this function only tracks, it does not update the last sequence received */ int nethdr_track_seq(uint32_t seq, uint32_t *exp_seq) { int ret = SEQ_UNKNOWN; /* netlink sequence tracking initialization */ if (!local_seq_set) { ret = SEQ_UNSET; goto out; } /* fast path: we received the correct sequence */ if (seq == STATE_SYNC(last_seq_recv)+1) { ret = SEQ_IN_SYNC; goto out; } /* out of sequence: some messages got lost */ if (after(seq, STATE_SYNC(last_seq_recv)+1)) { STATE_SYNC(error).msg_rcv_lost += seq - STATE_SYNC(last_seq_recv) + 1; ret = SEQ_AFTER; goto out; } /* out of sequence: replayed/delayed packet? */ if (before(seq, STATE_SYNC(last_seq_recv)+1)) { STATE_SYNC(error).msg_rcv_before++; ret = SEQ_BEFORE; } out: *exp_seq = STATE_SYNC(last_seq_recv)+1; return ret; } void nethdr_track_update_seq(uint32_t seq) { if (!local_seq_set) local_seq_set = 1; STATE_SYNC(last_seq_recv) = seq; } int nethdr_track_is_seq_set() { return local_seq_set; } #include "cache.h" static int status2type[CACHE_T_MAX][C_OBJ_MAX] = { [CACHE_T_CT] = { [C_OBJ_NEW] = NET_T_STATE_CT_NEW, [C_OBJ_ALIVE] = NET_T_STATE_CT_UPD, [C_OBJ_DEAD] = NET_T_STATE_CT_DEL, }, [CACHE_T_EXP] = { [C_OBJ_NEW] = NET_T_STATE_EXP_NEW, [C_OBJ_ALIVE] = NET_T_STATE_EXP_UPD, [C_OBJ_DEAD] = NET_T_STATE_EXP_DEL, }, }; int object_status_to_network_type(struct cache_object *obj) { return status2type[obj->cache->type][obj->status]; } conntrack-1.4.3/src/nfct-extensions/000077500000000000000000000000001257407526400174335ustar00rootroot00000000000000conntrack-1.4.3/src/nfct-extensions/helper.c000066400000000000000000000250501257407526400210600ustar00rootroot00000000000000/* * (C) 2012 by Pablo Neira Ayuso * * 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 of the License, or * (at your option) any later version. * * This code has been sponsored by Vyatta Inc. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "nfct.h" #include "helper.h" static void nfct_cmd_helper_usage(char *argv[]) { fprintf(stderr, "nfct v%s: Missing command\n" "%s helper list|add|delete|get|flush " "[parameters...]\n", VERSION, argv[0]); } static int nfct_cmd_helper_list(struct mnl_socket *nl, int argc, char *argv[]); static int nfct_cmd_helper_add(struct mnl_socket *nl, int argc, char *argv[]); static int nfct_cmd_helper_delete(struct mnl_socket *nl, int argc, char *argv[]); static int nfct_cmd_helper_get(struct mnl_socket *nl, int argc, char *argv[]); static int nfct_cmd_helper_flush(struct mnl_socket *nl, int argc, char *argv[]); static int nfct_cmd_helper_disable(struct mnl_socket *nl, int argc, char *argv[]); static int nfct_helper_parse_params(struct mnl_socket *nl, int argc, char *argv[], int cmd) { int ret; if (argc < 3) { nfct_cmd_helper_usage(argv); return -1; } switch (cmd) { case NFCT_CMD_LIST: case NFCT_CMD_ADD: case NFCT_CMD_DELETE: case NFCT_CMD_GET: case NFCT_CMD_FLUSH: case NFCT_CMD_DISABLE: break; default: fprintf(stderr, "nfct v%s: Unknown command: %s\n", VERSION, argv[2]); nfct_cmd_helper_usage(argv); exit(EXIT_FAILURE); } switch (cmd) { case NFCT_CMD_LIST: ret = nfct_cmd_helper_list(nl, argc, argv); break; case NFCT_CMD_ADD: ret = nfct_cmd_helper_add(nl, argc, argv); break; case NFCT_CMD_DELETE: ret = nfct_cmd_helper_delete(nl, argc, argv); break; case NFCT_CMD_GET: ret = nfct_cmd_helper_get(nl, argc, argv); break; case NFCT_CMD_FLUSH: ret = nfct_cmd_helper_flush(nl, argc, argv); break; case NFCT_CMD_DISABLE: ret = nfct_cmd_helper_disable(nl, argc, argv); break; default: nfct_cmd_helper_usage(argv); return -1; } return ret; } static int nfct_helper_cb(const struct nlmsghdr *nlh, void *data) { struct nfct_helper *t; char buf[4096]; t = nfct_helper_alloc(); if (t == NULL) { nfct_perror("OOM"); goto err; } if (nfct_helper_nlmsg_parse_payload(nlh, t) < 0) { nfct_perror("nfct_helper_nlmsg_parse_payload"); goto err_free; } nfct_helper_snprintf(buf, sizeof(buf), t, 0, 0); printf("%s\n", buf); err_free: nfct_helper_free(t); err: return MNL_CB_OK; } static int nfct_cmd_helper_list(struct mnl_socket *nl, int argc, char *argv[]) { char buf[MNL_SOCKET_BUFFER_SIZE]; struct nlmsghdr *nlh; unsigned int seq, portid; if (argc > 3) { nfct_perror("too many arguments"); return -1; } seq = time(NULL); nlh = nfct_helper_nlmsg_build_hdr(buf, NFNL_MSG_CTHELPER_GET, NLM_F_DUMP, seq); portid = mnl_socket_get_portid(nl); if (nfct_mnl_talk(nl, nlh, seq, portid, nfct_helper_cb, NULL) < 0) { nfct_perror("netlink error"); return -1; } return 0; } static int nfct_cmd_helper_add(struct mnl_socket *nl, int argc, char *argv[]) { char buf[MNL_SOCKET_BUFFER_SIZE]; struct nlmsghdr *nlh; uint32_t portid, seq; struct nfct_helper *t; uint16_t l3proto; uint8_t l4proto; struct ctd_helper *helper; int j; if (argc < 6) { nfct_perror("missing parameters\n" "syntax: nfct add helper name family protocol"); return -1; } if (strcmp(argv[4], "inet") == 0) l3proto = AF_INET; else if (strcmp(argv[4], "inet6") == 0) l3proto = AF_INET6; else { nfct_perror("unknown layer 3 protocol"); return -1; } if (strcmp(argv[5], "tcp") == 0) l4proto = IPPROTO_TCP; else if (strcmp(argv[5], "udp") == 0) l4proto = IPPROTO_UDP; else { nfct_perror("unsupported layer 4 protocol"); return -1; } helper = helper_find(CONNTRACKD_LIB_DIR, argv[3], l4proto, RTLD_LAZY); if (helper == NULL) { nfct_perror("that helper is not supported"); return -1; } t = nfct_helper_alloc(); if (t == NULL) { nfct_perror("OOM"); return -1; } nfct_helper_attr_set(t, NFCTH_ATTR_NAME, argv[3]); nfct_helper_attr_set_u16(t, NFCTH_ATTR_PROTO_L3NUM, l3proto); nfct_helper_attr_set_u8(t, NFCTH_ATTR_PROTO_L4NUM, l4proto); nfct_helper_attr_set_u32(t, NFCTH_ATTR_PRIV_DATA_LEN, helper->priv_data_len); for (j=0; jpolicy[j].name[0]) break; p = nfct_helper_policy_alloc(); if (p == NULL) { nfct_perror("OOM"); return -1; } nfct_helper_policy_attr_set(p, NFCTH_ATTR_POLICY_NAME, helper->policy[j].name); nfct_helper_policy_attr_set_u32(p, NFCTH_ATTR_POLICY_TIMEOUT, helper->policy[j].expect_timeout); nfct_helper_policy_attr_set_u32(p, NFCTH_ATTR_POLICY_MAX, helper->policy[j].expect_max); nfct_helper_attr_set(t, NFCTH_ATTR_POLICY+j, p); } seq = time(NULL); nlh = nfct_helper_nlmsg_build_hdr(buf, NFNL_MSG_CTHELPER_NEW, NLM_F_CREATE | NLM_F_ACK, seq); nfct_helper_nlmsg_build_payload(nlh, t); nfct_helper_free(t); portid = mnl_socket_get_portid(nl); if (nfct_mnl_talk(nl, nlh, seq, portid, NULL, NULL) < 0) { nfct_perror("netlink error"); return -1; } return 0; } static int nfct_cmd_helper_delete(struct mnl_socket *nl, int argc, char *argv[]) { char buf[MNL_SOCKET_BUFFER_SIZE]; struct nlmsghdr *nlh; uint32_t portid, seq; struct nfct_helper *t; if (argc < 4) { nfct_perror("missing helper policy name"); return -1; } else if (argc > 6) { nfct_perror("too many arguments"); return -1; } t = nfct_helper_alloc(); if (t == NULL) { nfct_perror("OOM"); return -1; } nfct_helper_attr_set(t, NFCTH_ATTR_NAME, argv[3]); if (argc >= 5) { uint16_t l3proto; if (strcmp(argv[4], "inet") == 0) l3proto = AF_INET; else if (strcmp(argv[4], "inet6") == 0) l3proto = AF_INET6; else { nfct_perror("unknown layer 3 protocol"); return -1; } nfct_helper_attr_set_u16(t, NFCTH_ATTR_PROTO_L3NUM, l3proto); } if (argc == 6) { uint8_t l4proto; if (strcmp(argv[5], "tcp") == 0) l4proto = IPPROTO_TCP; else if (strcmp(argv[5], "udp") == 0) l4proto = IPPROTO_UDP; else { nfct_perror("unsupported layer 4 protocol"); return -1; } nfct_helper_attr_set_u32(t, NFCTH_ATTR_PROTO_L4NUM, l4proto); } seq = time(NULL); nlh = nfct_helper_nlmsg_build_hdr(buf, NFNL_MSG_CTHELPER_DEL, NLM_F_ACK, seq); nfct_helper_nlmsg_build_payload(nlh, t); nfct_helper_free(t); portid = mnl_socket_get_portid(nl); if (nfct_mnl_talk(nl, nlh, seq, portid, NULL, NULL) < 0) { nfct_perror("netlink error"); return -1; } return 0; } static int nfct_cmd_helper_get(struct mnl_socket *nl, int argc, char *argv[]) { char buf[MNL_SOCKET_BUFFER_SIZE]; struct nlmsghdr *nlh; uint32_t portid, seq; struct nfct_helper *t; if (argc < 4) { nfct_perror("missing helper policy name"); return -1; } else if (argc > 6) { nfct_perror("too many arguments"); return -1; } t = nfct_helper_alloc(); if (t == NULL) { nfct_perror("OOM"); return -1; } nfct_helper_attr_set(t, NFCTH_ATTR_NAME, argv[3]); if (argc >= 5) { uint16_t l3proto; if (strcmp(argv[4], "inet") == 0) l3proto = AF_INET; else if (strcmp(argv[4], "inet6") == 0) l3proto = AF_INET6; else { nfct_perror("unknown layer 3 protocol"); return -1; } nfct_helper_attr_set_u16(t, NFCTH_ATTR_PROTO_L3NUM, l3proto); } if (argc == 6) { uint8_t l4proto; if (strcmp(argv[5], "tcp") == 0) l4proto = IPPROTO_TCP; else if (strcmp(argv[5], "udp") == 0) l4proto = IPPROTO_UDP; else { nfct_perror("unsupported layer 4 protocol"); return -1; } nfct_helper_attr_set_u32(t, NFCTH_ATTR_PROTO_L4NUM, l4proto); } seq = time(NULL); nlh = nfct_helper_nlmsg_build_hdr(buf, NFNL_MSG_CTHELPER_GET, NLM_F_ACK, seq); nfct_helper_nlmsg_build_payload(nlh, t); nfct_helper_free(t); portid = mnl_socket_get_portid(nl); if (nfct_mnl_talk(nl, nlh, seq, portid, nfct_helper_cb, NULL) < 0) { nfct_perror("netlink error"); return -1; } return 0; } static int nfct_cmd_helper_flush(struct mnl_socket *nl, int argc, char *argv[]) { char buf[MNL_SOCKET_BUFFER_SIZE]; struct nlmsghdr *nlh; uint32_t portid, seq; if (argc > 3) { nfct_perror("too many arguments"); return -1; } seq = time(NULL); nlh = nfct_helper_nlmsg_build_hdr(buf, NFNL_MSG_CTHELPER_DEL, NLM_F_ACK, seq); portid = mnl_socket_get_portid(nl); if (nfct_mnl_talk(nl, nlh, seq, portid, NULL, NULL) < 0) { nfct_perror("netlink error"); return -1; } return 0; } static int nfct_cmd_helper_disable(struct mnl_socket *nl, int argc, char *argv[]) { char buf[MNL_SOCKET_BUFFER_SIZE]; struct nlmsghdr *nlh; uint32_t portid, seq; struct nfct_helper *t; uint16_t l3proto; uint8_t l4proto; struct ctd_helper *helper; if (argc < 6) { nfct_perror("missing parameters\n" "syntax: nfct add helper name family protocol"); return -1; } if (strcmp(argv[4], "inet") == 0) l3proto = AF_INET; else if (strcmp(argv[4], "inet6") == 0) l3proto = AF_INET6; else { nfct_perror("unknown layer 3 protocol"); return -1; } if (strcmp(argv[5], "tcp") == 0) l4proto = IPPROTO_TCP; else if (strcmp(argv[5], "udp") == 0) l4proto = IPPROTO_UDP; else { nfct_perror("unsupported layer 4 protocol"); return -1; } helper = helper_find(CONNTRACKD_LIB_DIR, argv[3], l4proto, RTLD_LAZY); if (helper == NULL) { nfct_perror("that helper is not supported"); return -1; } t = nfct_helper_alloc(); if (t == NULL) { nfct_perror("OOM"); return -1; } nfct_helper_attr_set(t, NFCTH_ATTR_NAME, argv[3]); nfct_helper_attr_set_u16(t, NFCTH_ATTR_PROTO_L3NUM, l3proto); nfct_helper_attr_set_u8(t, NFCTH_ATTR_PROTO_L4NUM, l4proto); nfct_helper_attr_set_u32(t, NFCTH_ATTR_STATUS, NFCT_HELPER_STATUS_DISABLED); seq = time(NULL); nlh = nfct_helper_nlmsg_build_hdr(buf, NFNL_MSG_CTHELPER_NEW, NLM_F_CREATE | NLM_F_ACK, seq); nfct_helper_nlmsg_build_payload(nlh, t); nfct_helper_free(t); portid = mnl_socket_get_portid(nl); if (nfct_mnl_talk(nl, nlh, seq, portid, NULL, NULL) < 0) { nfct_perror("netlink error"); return -1; } return 0; } static struct nfct_extension helper = { .type = NFCT_SUBSYS_HELPER, .parse_params = nfct_helper_parse_params, }; static void __init helper_init(void) { nfct_extension_register(&helper); } conntrack-1.4.3/src/nfct-extensions/timeout.c000066400000000000000000000260111257407526400212650ustar00rootroot00000000000000/* * (C) 2012-2013 by Pablo Neira Ayuso * * 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 of the License, or * (at your option) any later version. * * This code has been sponsored by Vyatta Inc. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "nfct.h" static void nfct_cmd_timeout_usage(char *argv[]) { fprintf(stderr, "nfct v%s: Missing command\n" "%s timeout " "[, ...]\n", VERSION, argv[0]); } static int nfct_cmd_timeout_list(struct mnl_socket *nl, int argc, char *argv[]); static int nfct_cmd_timeout_add(struct mnl_socket *nl, int argc, char *argv[]); static int nfct_cmd_timeout_delete(struct mnl_socket *nl, int argc, char *argv[]); static int nfct_cmd_timeout_get(struct mnl_socket *nl, int argc, char *argv[]); static int nfct_cmd_timeout_flush(struct mnl_socket *nl, int argc, char *argv[]); static int nfct_cmd_timeout_default_set(struct mnl_socket *nl, int argc, char *argv[]); static int nfct_cmd_timeout_default_get(struct mnl_socket *nl, int argc, char *argv[]); static int nfct_timeout_parse_params(struct mnl_socket *nl, int argc, char *argv[], int cmd) { int ret; if (argc < 3) { nfct_cmd_timeout_usage(argv); return -1; } switch (cmd) { case NFCT_CMD_LIST: case NFCT_CMD_ADD: case NFCT_CMD_DELETE: case NFCT_CMD_GET: case NFCT_CMD_FLUSH: case NFCT_CMD_DEFAULT_SET: case NFCT_CMD_DEFAULT_GET: break; default: nfct_cmd_timeout_usage(argv); return -1; } switch (cmd) { case NFCT_CMD_LIST: ret = nfct_cmd_timeout_list(nl, argc, argv); break; case NFCT_CMD_ADD: ret = nfct_cmd_timeout_add(nl, argc, argv); break; case NFCT_CMD_DELETE: ret = nfct_cmd_timeout_delete(nl, argc, argv); break; case NFCT_CMD_GET: ret = nfct_cmd_timeout_get(nl, argc, argv); break; case NFCT_CMD_FLUSH: ret = nfct_cmd_timeout_flush(nl, argc, argv); break; case NFCT_CMD_DEFAULT_SET: ret = nfct_cmd_timeout_default_set(nl, argc, argv); break; case NFCT_CMD_DEFAULT_GET: ret = nfct_cmd_timeout_default_get(nl, argc, argv); break; default: nfct_cmd_timeout_usage(argv); return -1; } return ret; } static int nfct_timeout_cb(const struct nlmsghdr *nlh, void *data) { struct nfct_timeout *t; char buf[4096]; t = nfct_timeout_alloc(); if (t == NULL) { nfct_perror("OOM"); goto err; } if (nfct_timeout_nlmsg_parse_payload(nlh, t) < 0) { nfct_perror("nfct_timeout_nlmsg_parse_payload"); goto err_free; } nfct_timeout_snprintf(buf, sizeof(buf), t, NFCT_TIMEOUT_O_DEFAULT, 0); printf("%s\n", buf); err_free: nfct_timeout_free(t); err: return MNL_CB_OK; } static int nfct_cmd_timeout_list(struct mnl_socket *nl, int argc, char *argv[]) { char buf[MNL_SOCKET_BUFFER_SIZE]; struct nlmsghdr *nlh; unsigned int seq, portid; if (argc > 3) { nfct_perror("too many arguments"); return -1; } seq = time(NULL); nlh = nfct_timeout_nlmsg_build_hdr(buf, IPCTNL_MSG_TIMEOUT_GET, NLM_F_DUMP, seq); portid = mnl_socket_get_portid(nl); if (nfct_mnl_talk(nl, nlh, seq, portid, nfct_timeout_cb, NULL) < 0) { nfct_perror("netlink error"); return -1; } return 0; } static uint32_t nfct_timeout_attr_max[IPPROTO_MAX] = { [IPPROTO_ICMP] = NFCT_TIMEOUT_ATTR_ICMP_MAX, [IPPROTO_TCP] = NFCT_TIMEOUT_ATTR_TCP_MAX, [IPPROTO_UDP] = NFCT_TIMEOUT_ATTR_UDP_MAX, [IPPROTO_UDPLITE] = NFCT_TIMEOUT_ATTR_UDPLITE_MAX, [IPPROTO_SCTP] = NFCT_TIMEOUT_ATTR_SCTP_MAX, [IPPROTO_DCCP] = NFCT_TIMEOUT_ATTR_DCCP_MAX, [IPPROTO_ICMPV6] = NFCT_TIMEOUT_ATTR_ICMPV6_MAX, [IPPROTO_GRE] = NFCT_TIMEOUT_ATTR_GRE_MAX, [IPPROTO_RAW] = NFCT_TIMEOUT_ATTR_GENERIC_MAX, }; static int nfct_cmd_get_l3proto(char *argv[]) { int l3proto; if (strcmp(*argv, "inet") == 0) l3proto = AF_INET; else if (strcmp(*argv, "inet6") == 0) l3proto = AF_INET6; else { nfct_perror("unknown layer 3 protocol"); return -1; } return l3proto; } static int nfct_cmd_get_l4proto(char *argv[]) { int l4proto; struct protoent *pent; pent = getprotobyname(*argv); if (!pent) { /* In Debian, /etc/protocols says ipv6-icmp. Support icmpv6 * as well not to break backward compatibility. */ if (strcmp(*argv, "icmpv6") == 0) l4proto = IPPROTO_ICMPV6; else if (strcmp(*argv, "generic") == 0) l4proto = IPPROTO_RAW; else { nfct_perror("unknown layer 4 protocol"); return -1; } } else l4proto = pent->p_proto; return l4proto; } static int nfct_cmd_timeout_parse(struct nfct_timeout *t, int argc, char *argv[]) { int l3proto, l4proto; unsigned int j; const char *proto_name; l3proto = nfct_cmd_get_l3proto(argv); if (l3proto < 0) return -1; nfct_timeout_attr_set_u16(t, NFCT_TIMEOUT_ATTR_L3PROTO, l3proto); argc--; argv++; proto_name = *argv; l4proto = nfct_cmd_get_l4proto(argv); if (l4proto < 0) return -1; nfct_timeout_attr_set_u8(t, NFCT_TIMEOUT_ATTR_L4PROTO, l4proto); argc--; argv++; for (; argc>1; argc-=2, argv+=2) { int matching = -1; for (j=0; j 0) { nfct_perror("missing value for this timeout"); return -1; } return 0; } int nfct_cmd_timeout_add(struct mnl_socket *nl, int argc, char *argv[]) { char buf[MNL_SOCKET_BUFFER_SIZE]; struct nlmsghdr *nlh; uint32_t portid, seq; struct nfct_timeout *t; if (argc < 6) { nfct_perror("missing parameters\n" "syntax: nfct add timeout name family protocol state1 timeout1 ..."); return -1; } t = nfct_timeout_alloc(); if (t == NULL) { nfct_perror("OOM"); return -1; } nfct_timeout_attr_set(t, NFCT_TIMEOUT_ATTR_NAME, argv[3]); if (nfct_cmd_timeout_parse(t, argc-4, &argv[4]) < 0) return -1; seq = time(NULL); nlh = nfct_timeout_nlmsg_build_hdr(buf, IPCTNL_MSG_TIMEOUT_NEW, NLM_F_CREATE | NLM_F_ACK, seq); nfct_timeout_nlmsg_build_payload(nlh, t); nfct_timeout_free(t); portid = mnl_socket_get_portid(nl); if (nfct_mnl_talk(nl, nlh, seq, portid, NULL, NULL) < 0) { nfct_perror("netlink error"); return -1; } return 0; } int nfct_cmd_timeout_delete(struct mnl_socket *nl, int argc, char *argv[]) { char buf[MNL_SOCKET_BUFFER_SIZE]; struct nlmsghdr *nlh; uint32_t portid, seq; struct nfct_timeout *t; if (argc < 4) { nfct_perror("missing timeout policy name"); return -1; } else if (argc > 4) { nfct_perror("too many arguments"); return -1; } t = nfct_timeout_alloc(); if (t == NULL) { nfct_perror("OOM"); return -1; } nfct_timeout_attr_set(t, NFCT_TIMEOUT_ATTR_NAME, argv[3]); seq = time(NULL); nlh = nfct_timeout_nlmsg_build_hdr(buf, IPCTNL_MSG_TIMEOUT_DELETE, NLM_F_ACK, seq); nfct_timeout_nlmsg_build_payload(nlh, t); nfct_timeout_free(t); portid = mnl_socket_get_portid(nl); if (nfct_mnl_talk(nl, nlh, seq, portid, NULL, NULL) < 0) { nfct_perror("netlink error"); return -1; } return 0; } int nfct_cmd_timeout_get(struct mnl_socket *nl, int argc, char *argv[]) { char buf[MNL_SOCKET_BUFFER_SIZE]; struct nlmsghdr *nlh; uint32_t portid, seq; struct nfct_timeout *t; if (argc < 4) { nfct_perror("missing timeout policy name"); return -1; } else if (argc > 4) { nfct_perror("too many arguments"); return -1; } t = nfct_timeout_alloc(); if (t == NULL) { nfct_perror("OOM"); return -1; } nfct_timeout_attr_set(t, NFCT_TIMEOUT_ATTR_NAME, argv[3]); seq = time(NULL); nlh = nfct_timeout_nlmsg_build_hdr(buf, IPCTNL_MSG_TIMEOUT_GET, NLM_F_ACK, seq); nfct_timeout_nlmsg_build_payload(nlh, t); nfct_timeout_free(t); portid = mnl_socket_get_portid(nl); if (nfct_mnl_talk(nl, nlh, seq, portid, nfct_timeout_cb, NULL) < 0) { nfct_perror("netlink error"); return -1; } return 0; } int nfct_cmd_timeout_flush(struct mnl_socket *nl, int argc, char *argv[]) { char buf[MNL_SOCKET_BUFFER_SIZE]; struct nlmsghdr *nlh; uint32_t portid, seq; if (argc > 3) { nfct_perror("too many arguments"); return -1; } seq = time(NULL); nlh = nfct_timeout_nlmsg_build_hdr(buf, IPCTNL_MSG_TIMEOUT_DELETE, NLM_F_ACK, seq); portid = mnl_socket_get_portid(nl); if (nfct_mnl_talk(nl, nlh, seq, portid, NULL, NULL) < 0) { nfct_perror("netlink error"); return -1; } return 0; } static int nfct_cmd_timeout_default_set(struct mnl_socket *nl, int argc, char *argv[]) { char buf[MNL_SOCKET_BUFFER_SIZE]; struct nlmsghdr *nlh; uint32_t portid, seq; struct nfct_timeout *t; if (argc < 6) { nfct_perror("missing parameters\n" "syntax: nfct default-set timeout family protocol state1 timeout1..."); return -1; } t = nfct_timeout_alloc(); if (t == NULL) return -1; if (nfct_cmd_timeout_parse(t, argc-3, &argv[3]) < 0) return -1; seq = time(NULL); nlh = nfct_timeout_nlmsg_build_hdr(buf, IPCTNL_MSG_TIMEOUT_DEFAULT_SET, NLM_F_ACK, seq); nfct_timeout_nlmsg_build_payload(nlh, t); nfct_timeout_free(t); portid = mnl_socket_get_portid(nl); if (nfct_mnl_talk(nl, nlh, seq, portid, nfct_timeout_cb, NULL) < 0) { nfct_perror("netlink error"); return -1; } return 0; } static int nfct_cmd_timeout_default_get(struct mnl_socket *nl, int argc, char *argv[]) { char buf[MNL_SOCKET_BUFFER_SIZE]; struct nlmsghdr *nlh; uint32_t portid, seq; struct nfct_timeout *t; int l3proto, l4proto; if (argc < 5) { nfct_perror("missing parameters\n" "syntax: nfct default-get timeout family protocol"); return -1; } t = nfct_timeout_alloc(); if (t == NULL) return -1; argc-=3; argv+=3; l3proto = nfct_cmd_get_l3proto(argv); if (l3proto < 0) return -1; nfct_timeout_attr_set_u16(t, NFCT_TIMEOUT_ATTR_L3PROTO, l3proto); argc--; argv++; l4proto = nfct_cmd_get_l4proto(argv); if (l4proto < 0) return -1; nfct_timeout_attr_set_u8(t, NFCT_TIMEOUT_ATTR_L4PROTO, l4proto); seq = time(NULL); nlh = nfct_timeout_nlmsg_build_hdr(buf, IPCTNL_MSG_TIMEOUT_DEFAULT_GET, NLM_F_ACK, seq); nfct_timeout_nlmsg_build_payload(nlh, t); nfct_timeout_free(t); portid = mnl_socket_get_portid(nl); if (nfct_mnl_talk(nl, nlh, seq, portid, nfct_timeout_cb, NULL) < 0) { nfct_perror("netlink error"); return -1; } return 0; } static struct nfct_extension timeout = { .type = NFCT_SUBSYS_TIMEOUT, .parse_params = nfct_timeout_parse_params, }; static void __init timeout_init(void) { nfct_extension_register(&timeout); } conntrack-1.4.3/src/nfct.c000066400000000000000000000134721257407526400154110ustar00rootroot00000000000000/* * (C) 2012 by Pablo Neira Ayuso * * 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 of the License, or * (at your option) any later version. * * This code has been sponsored by Vyatta Inc. */ #include #include #include #include #include #include #include #include #include #include #include #include #include "linux_list.h" #include "nfct.h" static int nfct_cmd_version(int argc, char *argv[]); static int nfct_cmd_help(int argc, char *argv[]); static void usage(char *argv[]) { fprintf(stderr, "Usage: %s command subsystem [parameters]...\n", argv[0]); } void nfct_perror(const char *msg) { if (errno == 0) { fprintf(stderr, "nfct v%s: %s\n", VERSION, msg); } else { fprintf(stderr, "nfct v%s: %s: %s\n", VERSION, msg, strerror(errno)); } } static LIST_HEAD(nfct_extension_list); void nfct_extension_register(struct nfct_extension *ext) { list_add(&ext->head, &nfct_extension_list); } static struct nfct_extension *nfct_extension_lookup(int type) { struct nfct_extension *ext; list_for_each_entry(ext, &nfct_extension_list, head) { if (ext->type == type) return ext; } return NULL; } static const char *nfct_cmd_array[NFCT_CMD_MAX] = { [NFCT_CMD_LIST] = "list", [NFCT_CMD_ADD] = "add", [NFCT_CMD_DELETE] = "delete", [NFCT_CMD_GET] = "get", [NFCT_CMD_FLUSH] = "flush", [NFCT_CMD_DISABLE] = "disable", [NFCT_CMD_DEFAULT_SET] = "default-set", [NFCT_CMD_DEFAULT_GET] = "default-get", }; static int nfct_cmd_parse(const char *cmdstr) { int i; for (i = 1; i < NFCT_CMD_MAX; i++) { if (strncmp(nfct_cmd_array[i], cmdstr, strlen(cmdstr)) == 0) return i; } return -1; } static int nfct_cmd_error(char *argv[]) { fprintf(stderr, "nfct v%s: Unknown command: %s\n", VERSION, argv[1]); usage(argv); return EXIT_FAILURE; } static const char *nfct_subsys_array[NFCT_SUBSYS_MAX] = { [NFCT_SUBSYS_TIMEOUT] = "timeout", [NFCT_SUBSYS_HELPER] = "helper", [NFCT_SUBSYS_VERSION] = "version", [NFCT_SUBSYS_HELP] = "help", }; static int nfct_subsys_parse(const char *cmdstr) { int i; for (i = 1; i < NFCT_SUBSYS_MAX; i++) { if (strncmp(nfct_subsys_array[i], cmdstr, strlen(cmdstr)) == 0) return i; } return -1; } static int nfct_subsys_error(char *argv[]) { fprintf(stderr, "nfct v%s: Unknown subsystem: %s\n", VERSION, argv[1]); usage(argv); return EXIT_FAILURE; } int main(int argc, char *argv[]) { int subsys, cmd, ret = 0; struct nfct_extension *ext; struct mnl_socket *nl; if (argc < 3) { usage(argv); exit(EXIT_FAILURE); } cmd = nfct_cmd_parse(argv[1]); if (cmd < 0) { /* Workaround not to break backward compatibility and to get * the syntax in sync with nft. Old nfct versions allow to * specify the subsystem before the command. */ subsys = nfct_subsys_parse(argv[1]); if (subsys < 0) return nfct_subsys_error(argv); cmd = nfct_cmd_parse(argv[2]); if (cmd < 0) return nfct_cmd_error(argv); } else { subsys = nfct_subsys_parse(argv[2]); if (subsys < 0) return nfct_subsys_error(argv); } switch (subsys) { case NFCT_SUBSYS_VERSION: ret = nfct_cmd_version(argc, argv); break; case NFCT_SUBSYS_HELP: ret = nfct_cmd_help(argc, argv); break; default: ext = nfct_extension_lookup(subsys); if (ext == NULL) { fprintf(stderr, "nfct v%s: subsystem %s not supported\n", VERSION, argv[1]); return EXIT_FAILURE; } nl = nfct_mnl_open(); if (nl == NULL) { nfct_perror("cannot open netlink"); return -1; } ret = ext->parse_params(nl, argc, argv, cmd); mnl_socket_close(nl); break; } return ret < 0 ? EXIT_FAILURE : EXIT_SUCCESS; } static const char version_msg[] = "nfct v%s: utility for the Netfilter's Connection Tracking System\n" "Copyright (C) 2012 Pablo Neira Ayuso \n" "This program comes with ABSOLUTELY NO WARRANTY.\n" "This is free software, and you are welcome to redistribute it under " "certain \nconditions; see LICENSE file distributed in this package " "for details.\n"; static int nfct_cmd_version(int argc, char *argv[]) { printf(version_msg, VERSION); return 0; } static const char help_msg[] = "nfct v%s: utility for the Netfilter's Connection Tracking System\n" "Usage: %s command [parameters]...\n\n" "Subsystem:\n" " helper\t\tAllows to configure user-space helper\n" " timeout\t\tAllows definition of fine-grain timeout policies\n" " version\t\tDisplay version and disclaimer\n" " help\t\t\tDisplay this help message\n" "Commands:\n" " list [reset]\t\tList the accounting object table (and reset)\n" " add object-name\tAdd new accounting object to table\n" " delete object-name\tDelete existing accounting object\n" " get object-name\tGet existing accounting object\n" " flush\t\t\tFlush accounting object table\n"; static int nfct_cmd_help(int argc, char *argv[]) { printf(help_msg, VERSION, argv[0]); return 0; } int nfct_mnl_talk(struct mnl_socket *nl, struct nlmsghdr *nlh, uint32_t seq, uint32_t portid, int (*cb)(const struct nlmsghdr *nlh, void *data), void *data) { int ret; char buf[MNL_SOCKET_BUFFER_SIZE]; if (mnl_socket_sendto(nl, nlh, nlh->nlmsg_len) < 0) return -1; ret = mnl_socket_recvfrom(nl, buf, sizeof(buf)); while (ret > 0) { ret = mnl_cb_run(buf, ret, seq, portid, cb, data); if (ret <= 0) break; ret = mnl_socket_recvfrom(nl, buf, sizeof(buf)); } if (ret == -1) return -1; return 0; } struct mnl_socket *nfct_mnl_open(void) { struct mnl_socket *nl; nl = mnl_socket_open(NETLINK_NETFILTER); if (nl == NULL) return NULL; if (mnl_socket_bind(nl, 0, MNL_SOCKET_AUTOPID) < 0) return NULL; return nl; } conntrack-1.4.3/src/origin.c000066400000000000000000000034101257407526400157350ustar00rootroot00000000000000/* * (C) 2009 by Pablo Neira Ayuso * * 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "conntrackd.h" #include "origin.h" static LIST_HEAD(origin_list); struct origin { struct list_head head; unsigned int nl_portid; int type; }; /* register a Netlink socket as origin of possible events */ int origin_register(struct nfct_handle *h, int origin_type) { struct origin *nlp; nlp = calloc(sizeof(struct origin), 1); if (nlp == NULL) return -1; nlp->nl_portid = nfnl_portid(nfct_nfnlh(h)); nlp->type = origin_type; list_add(&nlp->head, &origin_list); return 0; } /* look up for the origin of this Netlink event */ int origin_find(const struct nlmsghdr *nlh) { struct origin *this; list_for_each_entry(this, &origin_list, head) { if (this->nl_portid == nlh->nlmsg_pid) { return this->type; } } return CTD_ORIGIN_NOT_ME; } int origin_unregister(struct nfct_handle *h) { struct origin *this, *tmp; list_for_each_entry_safe(this, tmp, &origin_list, head) { if (this->nl_portid == nfnl_portid(nfct_nfnlh(h))) { list_del(&this->head); free(this); return 1; } } return 0; } conntrack-1.4.3/src/parse.c000066400000000000000000000357441257407526400155770ustar00rootroot00000000000000/* * (C) 2006-2011 by Pablo Neira Ayuso * (C) 2011 by Vyatta 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "network.h" #include #include #ifndef ssizeof #define ssizeof(x) (int)sizeof(x) #endif static void ct_parse_u8(struct nf_conntrack *ct, int attr, void *data); static void ct_parse_u16(struct nf_conntrack *ct, int attr, void *data); static void ct_parse_u32(struct nf_conntrack *ct, int attr, void *data); static void ct_parse_str(struct nf_conntrack *ct, const struct netattr *, void *data); static void ct_parse_group(struct nf_conntrack *ct, int attr, void *data); static void ct_parse_nat_seq_adj(struct nf_conntrack *ct, int attr, void *data); static void ct_parse_clabel(struct nf_conntrack *ct, const struct netattr *, void *data); struct ct_parser { void (*parse)(struct nf_conntrack *ct, int attr, void *data); void (*parse2)(struct nf_conntrack *ct, const struct netattr *, void *); uint16_t attr; uint16_t size; uint16_t max_size; }; static struct ct_parser h[NTA_MAX] = { [NTA_IPV4] = { .parse = ct_parse_group, .attr = ATTR_GRP_ORIG_IPV4, .size = NTA_SIZE(sizeof(struct nfct_attr_grp_ipv4)), }, [NTA_IPV6] = { .parse = ct_parse_group, .attr = ATTR_GRP_ORIG_IPV6, .size = NTA_SIZE(sizeof(struct nfct_attr_grp_ipv6)), }, [NTA_PORT] = { .parse = ct_parse_group, .attr = ATTR_GRP_ORIG_PORT, .size = NTA_SIZE(sizeof(struct nfct_attr_grp_port)), }, [NTA_L4PROTO] = { .parse = ct_parse_u8, .attr = ATTR_L4PROTO, .size = NTA_SIZE(sizeof(uint8_t)), }, [NTA_TCP_STATE] = { .parse = ct_parse_u8, .attr = ATTR_TCP_STATE, .size = NTA_SIZE(sizeof(uint8_t)), }, [NTA_STATUS] = { .parse = ct_parse_u32, .attr = ATTR_STATUS, .size = NTA_SIZE(sizeof(uint32_t)), }, [NTA_MARK] = { .parse = ct_parse_u32, .attr = ATTR_MARK, .size = NTA_SIZE(sizeof(uint32_t)), }, [NTA_TIMEOUT] = { .parse = ct_parse_u32, .attr = ATTR_TIMEOUT, .size = NTA_SIZE(sizeof(uint32_t)), }, [NTA_MASTER_IPV4] = { .parse = ct_parse_group, .attr = ATTR_GRP_MASTER_IPV4, .size = NTA_SIZE(sizeof(struct nfct_attr_grp_ipv4)), }, [NTA_MASTER_IPV6] = { .parse = ct_parse_group, .attr = ATTR_GRP_MASTER_IPV6, .size = NTA_SIZE(sizeof(struct nfct_attr_grp_ipv6)), }, [NTA_MASTER_L4PROTO] = { .parse = ct_parse_u8, .attr = ATTR_MASTER_L4PROTO, .size = NTA_SIZE(sizeof(uint8_t)), }, [NTA_MASTER_PORT] = { .parse = ct_parse_group, .attr = ATTR_GRP_MASTER_PORT, .size = NTA_SIZE(sizeof(struct nfct_attr_grp_port)), }, [NTA_SNAT_IPV4] = { .parse = ct_parse_u32, .attr = ATTR_SNAT_IPV4, .size = NTA_SIZE(sizeof(uint32_t)), }, [NTA_DNAT_IPV4] = { .parse = ct_parse_u32, .attr = ATTR_DNAT_IPV4, .size = NTA_SIZE(sizeof(uint32_t)), }, [NTA_SPAT_PORT] = { .parse = ct_parse_u16, .attr = ATTR_SNAT_PORT, .size = NTA_SIZE(sizeof(uint16_t)), }, [NTA_DPAT_PORT] = { .parse = ct_parse_u16, .attr = ATTR_DNAT_PORT, .size = NTA_SIZE(sizeof(uint16_t)), }, [NTA_NAT_SEQ_ADJ] = { .parse = ct_parse_nat_seq_adj, .size = NTA_SIZE(sizeof(struct nta_attr_natseqadj)), }, [NTA_SCTP_STATE] = { .parse = ct_parse_u8, .attr = ATTR_SCTP_STATE, .size = NTA_SIZE(sizeof(uint8_t)), }, [NTA_SCTP_VTAG_ORIG] = { .parse = ct_parse_u32, .attr = ATTR_SCTP_VTAG_ORIG, .size = NTA_SIZE(sizeof(uint32_t)), }, [NTA_SCTP_VTAG_REPL] = { .parse = ct_parse_u32, .attr = ATTR_SCTP_VTAG_REPL, .size = NTA_SIZE(sizeof(uint32_t)), }, [NTA_DCCP_STATE] = { .parse = ct_parse_u8, .attr = ATTR_DCCP_STATE, .size = NTA_SIZE(sizeof(uint8_t)), }, [NTA_DCCP_ROLE] = { .parse = ct_parse_u8, .attr = ATTR_DCCP_ROLE, .size = NTA_SIZE(sizeof(uint8_t)), }, [NTA_ICMP_TYPE] = { .parse = ct_parse_u8, .attr = ATTR_ICMP_TYPE, .size = NTA_SIZE(sizeof(uint8_t)), }, [NTA_ICMP_CODE] = { .parse = ct_parse_u8, .attr = ATTR_ICMP_CODE, .size = NTA_SIZE(sizeof(uint8_t)), }, [NTA_ICMP_ID] = { .parse = ct_parse_u16, .attr = ATTR_ICMP_ID, .size = NTA_SIZE(sizeof(uint16_t)), }, [NTA_TCP_WSCALE_ORIG] = { .parse = ct_parse_u8, .attr = ATTR_TCP_WSCALE_ORIG, .size = NTA_SIZE(sizeof(uint8_t)), }, [NTA_TCP_WSCALE_REPL] = { .parse = ct_parse_u8, .attr = ATTR_TCP_WSCALE_REPL, .size = NTA_SIZE(sizeof(uint8_t)), }, [NTA_HELPER_NAME] = { .parse2 = ct_parse_str, .attr = ATTR_HELPER_NAME, .max_size = NFCT_HELPER_NAME_MAX, }, [NTA_LABELS] = { .parse2 = ct_parse_clabel, .attr = ATTR_CONNLABELS, .max_size = NTA_SIZE(NTA_LABELS_MAX_SIZE), }, }; static void ct_parse_u8(struct nf_conntrack *ct, int attr, void *data) { uint8_t *value = (uint8_t *) data; nfct_set_attr_u8(ct, h[attr].attr, *value); } static void ct_parse_u16(struct nf_conntrack *ct, int attr, void *data) { uint16_t *value = (uint16_t *) data; nfct_set_attr_u16(ct, h[attr].attr, ntohs(*value)); } static void ct_parse_u32(struct nf_conntrack *ct, int attr, void *data) { uint32_t *value = (uint32_t *) data; nfct_set_attr_u32(ct, h[attr].attr, ntohl(*value)); } static void ct_parse_str(struct nf_conntrack *ct, const struct netattr *attr, void *data) { nfct_set_attr(ct, h[attr->nta_attr].attr, data); } static void ct_parse_group(struct nf_conntrack *ct, int attr, void *data) { nfct_set_attr_grp(ct, h[attr].attr, data); } static void ct_parse_clabel(struct nf_conntrack *ct, const struct netattr *attr, void *data) { struct nfct_bitmask *bitm; unsigned int i, wordcount; const uint32_t *words; unsigned int len; len = attr->nta_len - NTA_LENGTH(0); wordcount = len / sizeof(*words); if (!wordcount) return; if (len & (sizeof(*words) - 1)) return; bitm = nfct_bitmask_new((len * 8) - 1); if (!bitm) return; words = data; for (i=0; i < wordcount; i++) { uint32_t word; int bit; if (words[i] == 0) continue; word = htonl(words[i]); bit = 31; do { if (word & (1 << bit)) nfct_bitmask_set_bit(bitm, (32 * i) + bit); } while (--bit >= 0); } nfct_set_attr(ct, ATTR_CONNLABELS, bitm); } static void ct_parse_nat_seq_adj(struct nf_conntrack *ct, int attr, void *data) { struct nta_attr_natseqadj *this = data; nfct_set_attr_u32(ct, ATTR_ORIG_NAT_SEQ_CORRECTION_POS, ntohl(this->orig_seq_correction_pos)); nfct_set_attr_u32(ct, ATTR_ORIG_NAT_SEQ_OFFSET_BEFORE, ntohl(this->orig_seq_offset_before)); nfct_set_attr_u32(ct, ATTR_ORIG_NAT_SEQ_OFFSET_AFTER, ntohl(this->orig_seq_offset_after)); nfct_set_attr_u32(ct, ATTR_REPL_NAT_SEQ_CORRECTION_POS, ntohl(this->repl_seq_correction_pos)); nfct_set_attr_u32(ct, ATTR_REPL_NAT_SEQ_OFFSET_BEFORE, ntohl(this->repl_seq_offset_before)); nfct_set_attr_u32(ct, ATTR_REPL_NAT_SEQ_OFFSET_AFTER, ntohl(this->repl_seq_offset_after)); } int msg2ct(struct nf_conntrack *ct, struct nethdr *net, size_t remain) { int len; struct netattr *attr; if (remain < net->len) return -1; len = net->len - NETHDR_SIZ; attr = NETHDR_DATA(net); while (len > ssizeof(struct netattr)) { ATTR_NETWORK2HOST(attr); if (attr->nta_len > len) return -1; if (attr->nta_len < NTA_LENGTH(0)) return -1; if (attr->nta_attr >= NTA_MAX) return -1; if (h[attr->nta_attr].size && attr->nta_len != h[attr->nta_attr].size) return -1; if (h[attr->nta_attr].max_size) { if (attr->nta_len > h[attr->nta_attr].max_size) return -1; h[attr->nta_attr].parse2(ct, attr, NTA_DATA(attr)); attr = NTA_NEXT(attr, len); continue; } if (h[attr->nta_attr].parse == NULL) { attr = NTA_NEXT(attr, len); continue; } h[attr->nta_attr].parse(ct, attr->nta_attr, NTA_DATA(attr)); attr = NTA_NEXT(attr, len); } return 0; } static void exp_parse_ct_group(void *ct, int attr, void *data); static void exp_parse_ct_u8(void *ct, int attr, void *data); static void exp_parse_u32(void *exp, int attr, void *data); static void exp_parse_str(void *exp, int attr, void *data); static struct exp_parser { void (*parse)(void *obj, int attr, void *data); int exp_attr; int ct_attr; int size; int max_size; } exp_h[NTA_EXP_MAX] = { [NTA_EXP_MASTER_IPV4] = { .parse = exp_parse_ct_group, .exp_attr = ATTR_EXP_MASTER, .ct_attr = ATTR_GRP_ORIG_IPV4, .size = NTA_SIZE(sizeof(struct nfct_attr_grp_ipv4)), }, [NTA_EXP_MASTER_IPV6] = { .parse = exp_parse_ct_group, .exp_attr = ATTR_EXP_MASTER, .ct_attr = ATTR_GRP_ORIG_IPV6, .size = NTA_SIZE(sizeof(struct nfct_attr_grp_ipv6)), }, [NTA_EXP_MASTER_L4PROTO] = { .parse = exp_parse_ct_u8, .exp_attr = ATTR_EXP_MASTER, .ct_attr = ATTR_L4PROTO, .size = NTA_SIZE(sizeof(uint8_t)), }, [NTA_EXP_MASTER_PORT] = { .parse = exp_parse_ct_group, .exp_attr = ATTR_EXP_MASTER, .ct_attr = ATTR_GRP_ORIG_PORT, .size = NTA_SIZE(sizeof(struct nfct_attr_grp_port)), }, [NTA_EXP_EXPECT_IPV4] = { .parse = exp_parse_ct_group, .exp_attr = ATTR_EXP_EXPECTED, .ct_attr = ATTR_GRP_ORIG_IPV4, .size = NTA_SIZE(sizeof(struct nfct_attr_grp_ipv4)), }, [NTA_EXP_EXPECT_IPV6] = { .parse = exp_parse_ct_group, .exp_attr = ATTR_EXP_EXPECTED, .ct_attr = ATTR_GRP_ORIG_IPV6, .size = NTA_SIZE(sizeof(struct nfct_attr_grp_ipv6)), }, [NTA_EXP_EXPECT_L4PROTO] = { .parse = exp_parse_ct_u8, .exp_attr = ATTR_EXP_EXPECTED, .ct_attr = ATTR_L4PROTO, .size = NTA_SIZE(sizeof(uint8_t)), }, [NTA_EXP_EXPECT_PORT] = { .parse = exp_parse_ct_group, .exp_attr = ATTR_EXP_EXPECTED, .ct_attr = ATTR_GRP_ORIG_PORT, .size = NTA_SIZE(sizeof(struct nfct_attr_grp_port)), }, [NTA_EXP_MASK_IPV4] = { .parse = exp_parse_ct_group, .exp_attr = ATTR_EXP_MASK, .ct_attr = ATTR_GRP_ORIG_IPV4, .size = NTA_SIZE(sizeof(struct nfct_attr_grp_ipv4)), }, [NTA_EXP_MASK_IPV6] = { .parse = exp_parse_ct_group, .exp_attr = ATTR_EXP_MASK, .ct_attr = ATTR_GRP_ORIG_IPV6, .size = NTA_SIZE(sizeof(struct nfct_attr_grp_ipv6)), }, [NTA_EXP_MASK_L4PROTO] = { .parse = exp_parse_ct_u8, .exp_attr = ATTR_EXP_MASK, .ct_attr = ATTR_L4PROTO, .size = NTA_SIZE(sizeof(uint8_t)), }, [NTA_EXP_MASK_PORT] = { .parse = exp_parse_ct_group, .exp_attr = ATTR_EXP_MASK, .ct_attr = ATTR_GRP_ORIG_PORT, .size = NTA_SIZE(sizeof(struct nfct_attr_grp_port)), }, [NTA_EXP_TIMEOUT] = { .parse = exp_parse_u32, .exp_attr = ATTR_EXP_TIMEOUT, .size = NTA_SIZE(sizeof(uint32_t)), }, [NTA_EXP_FLAGS] = { .parse = exp_parse_u32, .exp_attr = ATTR_EXP_FLAGS, .size = NTA_SIZE(sizeof(uint32_t)), }, [NTA_EXP_CLASS] = { .parse = exp_parse_u32, .exp_attr = ATTR_EXP_CLASS, .size = NTA_SIZE(sizeof(uint32_t)), }, [NTA_EXP_NAT_IPV4] = { .parse = exp_parse_ct_group, .exp_attr = ATTR_EXP_NAT_TUPLE, .ct_attr = ATTR_GRP_ORIG_IPV4, .size = NTA_SIZE(sizeof(struct nfct_attr_grp_ipv4)), }, [NTA_EXP_NAT_L4PROTO] = { .parse = exp_parse_ct_u8, .exp_attr = ATTR_EXP_NAT_TUPLE, .ct_attr = ATTR_L4PROTO, .size = NTA_SIZE(sizeof(uint8_t)), }, [NTA_EXP_NAT_PORT] = { .parse = exp_parse_ct_group, .exp_attr = ATTR_EXP_NAT_TUPLE, .ct_attr = ATTR_GRP_ORIG_PORT, .size = NTA_SIZE(sizeof(struct nfct_attr_grp_port)), }, [NTA_EXP_NAT_DIR] = { .parse = exp_parse_u32, .exp_attr = ATTR_EXP_NAT_DIR, .size = NTA_SIZE(sizeof(uint32_t)), }, [NTA_EXP_HELPER_NAME] = { .parse = exp_parse_str, .exp_attr = ATTR_EXP_HELPER_NAME, .max_size = NFCT_HELPER_NAME_MAX, }, [NTA_EXP_FN] = { .parse = exp_parse_str, .exp_attr = ATTR_EXP_FN, .max_size = 32, /* XXX: artificial limit */ }, }; static void exp_parse_ct_group(void *ct, int attr, void *data) { nfct_set_attr_grp(ct, exp_h[attr].ct_attr, data); } static void exp_parse_ct_u8(void *ct, int attr, void *data) { uint8_t *value = (uint8_t *) data; nfct_set_attr_u8(ct, exp_h[attr].ct_attr, *value); } static void exp_parse_u32(void *exp, int attr, void *data) { uint32_t *value = (uint32_t *) data; nfexp_set_attr_u32(exp, exp_h[attr].exp_attr, ntohl(*value)); } static void exp_parse_str(void *exp, int attr, void *data) { nfexp_set_attr(exp, exp_h[attr].exp_attr, data); } int msg2exp(struct nf_expect *exp, struct nethdr *net, size_t remain) { int len; struct netattr *attr; struct nf_conntrack *master, *expected, *mask, *nat; if (remain < net->len) return -1; len = net->len - NETHDR_SIZ; attr = NETHDR_DATA(net); master = nfct_new(); if (master == NULL) goto err_master; expected = nfct_new(); if (expected == NULL) goto err_expected; mask = nfct_new(); if (mask == NULL) goto err_mask; nat = nfct_new(); if (nat == NULL) goto err_nat; while (len > ssizeof(struct netattr)) { ATTR_NETWORK2HOST(attr); if (attr->nta_len > len) goto err; if (attr->nta_attr >= NTA_EXP_MAX) goto err; if (attr->nta_len < NTA_LENGTH(0)) goto err; if (exp_h[attr->nta_attr].size && attr->nta_len != exp_h[attr->nta_attr].size) goto err; if (exp_h[attr->nta_attr].max_size && attr->nta_len > exp_h[attr->nta_attr].max_size) goto err; if (exp_h[attr->nta_attr].parse == NULL) { attr = NTA_NEXT(attr, len); continue; } switch (exp_h[attr->nta_attr].exp_attr) { case ATTR_EXP_MASTER: exp_h[attr->nta_attr].parse(master, attr->nta_attr, NTA_DATA(attr)); break; case ATTR_EXP_EXPECTED: exp_h[attr->nta_attr].parse(expected, attr->nta_attr, NTA_DATA(attr)); break; case ATTR_EXP_MASK: exp_h[attr->nta_attr].parse(mask, attr->nta_attr, NTA_DATA(attr)); break; case ATTR_EXP_NAT_TUPLE: exp_h[attr->nta_attr].parse(nat, attr->nta_attr, NTA_DATA(attr)); nfexp_set_attr(exp, ATTR_EXP_NAT_TUPLE, nat); break; case ATTR_EXP_TIMEOUT: case ATTR_EXP_FLAGS: case ATTR_EXP_CLASS: case ATTR_EXP_HELPER_NAME: case ATTR_EXP_NAT_DIR: case ATTR_EXP_FN: exp_h[attr->nta_attr].parse(exp, attr->nta_attr, NTA_DATA(attr)); break; } attr = NTA_NEXT(attr, len); } nfexp_set_attr(exp, ATTR_EXP_MASTER, master); nfexp_set_attr(exp, ATTR_EXP_EXPECTED, expected); nfexp_set_attr(exp, ATTR_EXP_MASK, mask); /* We can release the conntrack objects at this point because the * setter makes a copy of them. This is not efficient, it would be * better to save that extra copy but this is how the library works. * I'm sorry, I cannot change it without breaking backward * compatibility. Probably it is a good idea to think of adding new * interfaces in the near future to get it better. */ nfct_destroy(mask); nfct_destroy(expected); nfct_destroy(master); nfct_destroy(nat); return 0; err: nfct_destroy(nat); err_nat: nfct_destroy(mask); err_mask: nfct_destroy(expected); err_expected: nfct_destroy(master); err_master: return -1; } conntrack-1.4.3/src/process.c000066400000000000000000000044161257407526400161330ustar00rootroot00000000000000/* * (C) 2009 by Pablo Neira Ayuso * * 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include #include "conntrackd.h" #include "process.h" static LIST_HEAD(process_list); int fork_process_new(int type, int flags, void (*cb)(void *data), void *data) { struct child_process *c, *this; int pid; /* We only want one process of this type at the same time. This is * useful if you want to prevent two child processes from accessing * a shared descriptor at the same time. */ if (flags & CTD_PROC_F_EXCL) { list_for_each_entry(this, &process_list, head) { if (this->type == type) { return -1; } } } c = calloc(sizeof(struct child_process), 1); if (c == NULL) return -1; c->type = type; c->cb = cb; c->data = data; c->pid = pid = fork(); if (c->pid > 0) list_add(&c->head, &process_list); else free(c); return pid; } int fork_process_delete(int pid) { struct child_process *this, *tmp; list_for_each_entry_safe(this, tmp, &process_list, head) { if (this->pid == pid) { list_del(&this->head); if (this->cb) { this->cb(this->data); } free(this); return 1; } } return 0; } static const char *process_type_to_name[CTD_PROC_MAX] = { [CTD_PROC_ANY] = "any", [CTD_PROC_FLUSH] = "flush", [CTD_PROC_COMMIT] = "commit", }; void fork_process_dump(int fd) { struct child_process *this; char buf[4096]; int size = 0; list_for_each_entry(this, &process_list, head) { size += snprintf(buf+size, sizeof(buf), "PID=%u type=%s\n", this->pid, this->type < CTD_PROC_MAX ? process_type_to_name[this->type] : "unknown"); } send(fd, buf, size, 0); } conntrack-1.4.3/src/queue.c000066400000000000000000000075061257407526400156040ustar00rootroot00000000000000/* * (C) 2006-2009 by Pablo Neira Ayuso * * 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "queue.h" #include "event.h" #include #include #include #include #include static LIST_HEAD(queue_list); /* list of existing queues */ static uint32_t qobjects_num; /* number of active queue objects */ struct queue * queue_create(const char *name, int max_objects, unsigned int flags) { struct queue *b; b = calloc(sizeof(struct queue), 1); if (b == NULL) return NULL; b->max_elems = max_objects; INIT_LIST_HEAD(&b->head); b->flags = flags; if (flags & QUEUE_F_EVFD) { b->evfd = create_evfd(); if (b->evfd == NULL) { free(b); return NULL; } } strncpy(b->name, name, QUEUE_NAMELEN); b->name[QUEUE_NAMELEN-1]='\0'; list_add(&b->list, &queue_list); return b; } void queue_destroy(struct queue *b) { list_del(&b->list); if (b->flags & QUEUE_F_EVFD) destroy_evfd(b->evfd); free(b); } void queue_stats_show(int fd) { struct queue *this; int size = 0; char buf[512]; size += snprintf(buf+size, sizeof(buf), "allocated queue nodes:\t\t%12u\n\n", qobjects_num); list_for_each_entry(this, &queue_list, list) { size += snprintf(buf+size, sizeof(buf), "queue %s:\n" "current elements:\t\t%12u\n" "maximum elements:\t\t%12u\n" "not enough space errors:\t%12u\n\n", this->name, this->num_elems, this->max_elems, this->enospc_err); } send(fd, buf, size, 0); } void queue_node_init(struct queue_node *n, int type) { INIT_LIST_HEAD(&n->head); n->type = type; } void *queue_node_data(struct queue_node *n) { return ((char *)n) + sizeof(struct queue_node); } struct queue_object *queue_object_new(int type, size_t size) { struct queue_object *obj; obj = calloc(sizeof(struct queue_object) + size, 1); if (obj == NULL) return NULL; obj->qnode.size = size; queue_node_init(&obj->qnode, type); qobjects_num++; return obj; } void queue_object_free(struct queue_object *obj) { free(obj); qobjects_num--; } int queue_add(struct queue *b, struct queue_node *n) { if (!list_empty(&n->head)) return 0; if (b->num_elems >= b->max_elems) { b->enospc_err++; errno = ENOSPC; return -1; } n->owner = b; list_add_tail(&n->head, &b->head); b->num_elems++; if (b->evfd) write_evfd(b->evfd); return 1; } int queue_del(struct queue_node *n) { if (list_empty(&n->head)) return 0; list_del_init(&n->head); n->owner->num_elems--; if (n->owner->evfd) read_evfd(n->owner->evfd); n->owner = NULL; return 1; } struct queue_node *queue_del_head(struct queue *b) { struct queue_node *n = (struct queue_node *) b->head.next; queue_del(n); return n; } int queue_in(struct queue *b, struct queue_node *n) { return b == n->owner; } int queue_get_eventfd(struct queue *b) { return get_read_evfd(b->evfd); } void queue_iterate(struct queue *b, const void *data, int (*iterate)(struct queue_node *n, const void *data2)) { struct list_head *i, *tmp; struct queue_node *n; list_for_each_safe(i, tmp, &b->head) { n = (struct queue_node *) i; if (iterate(n, data)) break; } } unsigned int queue_len(const struct queue *b) { return b->num_elems; } conntrack-1.4.3/src/rbtree.c000066400000000000000000000206421257407526400157370ustar00rootroot00000000000000/* Red Black Trees (C) 1999 Andrea Arcangeli (C) 2002 David Woodhouse 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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA linux/lib/rbtree.c */ #include "linux_rbtree.h" static void __rb_rotate_left(struct rb_node *node, struct rb_root *root) { struct rb_node *right = node->rb_right; struct rb_node *parent = rb_parent(node); if ((node->rb_right = right->rb_left)) rb_set_parent(right->rb_left, node); right->rb_left = node; rb_set_parent(right, parent); if (parent) { if (node == parent->rb_left) parent->rb_left = right; else parent->rb_right = right; } else root->rb_node = right; rb_set_parent(node, right); } static void __rb_rotate_right(struct rb_node *node, struct rb_root *root) { struct rb_node *left = node->rb_left; struct rb_node *parent = rb_parent(node); if ((node->rb_left = left->rb_right)) rb_set_parent(left->rb_right, node); left->rb_right = node; rb_set_parent(left, parent); if (parent) { if (node == parent->rb_right) parent->rb_right = left; else parent->rb_left = left; } else root->rb_node = left; rb_set_parent(node, left); } void rb_insert_color(struct rb_node *node, struct rb_root *root) { struct rb_node *parent, *gparent; while ((parent = rb_parent(node)) && rb_is_red(parent)) { gparent = rb_parent(parent); if (parent == gparent->rb_left) { { register struct rb_node *uncle = gparent->rb_right; if (uncle && rb_is_red(uncle)) { rb_set_black(uncle); rb_set_black(parent); rb_set_red(gparent); node = gparent; continue; } } if (parent->rb_right == node) { register struct rb_node *tmp; __rb_rotate_left(parent, root); tmp = parent; parent = node; node = tmp; } rb_set_black(parent); rb_set_red(gparent); __rb_rotate_right(gparent, root); } else { { register struct rb_node *uncle = gparent->rb_left; if (uncle && rb_is_red(uncle)) { rb_set_black(uncle); rb_set_black(parent); rb_set_red(gparent); node = gparent; continue; } } if (parent->rb_left == node) { register struct rb_node *tmp; __rb_rotate_right(parent, root); tmp = parent; parent = node; node = tmp; } rb_set_black(parent); rb_set_red(gparent); __rb_rotate_left(gparent, root); } } rb_set_black(root->rb_node); } static void __rb_erase_color(struct rb_node *node, struct rb_node *parent, struct rb_root *root) { struct rb_node *other; while ((!node || rb_is_black(node)) && node != root->rb_node) { if (parent->rb_left == node) { other = parent->rb_right; if (rb_is_red(other)) { rb_set_black(other); rb_set_red(parent); __rb_rotate_left(parent, root); other = parent->rb_right; } if ((!other->rb_left || rb_is_black(other->rb_left)) && (!other->rb_right || rb_is_black(other->rb_right))) { rb_set_red(other); node = parent; parent = rb_parent(node); } else { if (!other->rb_right || rb_is_black(other->rb_right)) { struct rb_node *o_left; if ((o_left = other->rb_left)) rb_set_black(o_left); rb_set_red(other); __rb_rotate_right(other, root); other = parent->rb_right; } rb_set_color(other, rb_color(parent)); rb_set_black(parent); if (other->rb_right) rb_set_black(other->rb_right); __rb_rotate_left(parent, root); node = root->rb_node; break; } } else { other = parent->rb_left; if (rb_is_red(other)) { rb_set_black(other); rb_set_red(parent); __rb_rotate_right(parent, root); other = parent->rb_left; } if ((!other->rb_left || rb_is_black(other->rb_left)) && (!other->rb_right || rb_is_black(other->rb_right))) { rb_set_red(other); node = parent; parent = rb_parent(node); } else { if (!other->rb_left || rb_is_black(other->rb_left)) { register struct rb_node *o_right; if ((o_right = other->rb_right)) rb_set_black(o_right); rb_set_red(other); __rb_rotate_left(other, root); other = parent->rb_left; } rb_set_color(other, rb_color(parent)); rb_set_black(parent); if (other->rb_left) rb_set_black(other->rb_left); __rb_rotate_right(parent, root); node = root->rb_node; break; } } } if (node) rb_set_black(node); } void rb_erase(struct rb_node *node, struct rb_root *root) { struct rb_node *child, *parent; int color; if (!node->rb_left) child = node->rb_right; else if (!node->rb_right) child = node->rb_left; else { struct rb_node *old = node, *left; node = node->rb_right; while ((left = node->rb_left) != NULL) node = left; child = node->rb_right; parent = rb_parent(node); color = rb_color(node); if (child) rb_set_parent(child, parent); if (parent == old) { parent->rb_right = child; parent = node; } else parent->rb_left = child; node->rb_parent_color = old->rb_parent_color; node->rb_right = old->rb_right; node->rb_left = old->rb_left; if (rb_parent(old)) { if (rb_parent(old)->rb_left == old) rb_parent(old)->rb_left = node; else rb_parent(old)->rb_right = node; } else root->rb_node = node; rb_set_parent(old->rb_left, node); if (old->rb_right) rb_set_parent(old->rb_right, node); goto color; } parent = rb_parent(node); color = rb_color(node); if (child) rb_set_parent(child, parent); if (parent) { if (parent->rb_left == node) parent->rb_left = child; else parent->rb_right = child; } else root->rb_node = child; color: if (color == RB_BLACK) __rb_erase_color(child, parent, root); } /* * This function returns the first node (in sort order) of the tree. */ struct rb_node *rb_first(struct rb_root *root) { struct rb_node *n; n = root->rb_node; if (!n) return NULL; while (n->rb_left) n = n->rb_left; return n; } struct rb_node *rb_last(struct rb_root *root) { struct rb_node *n; n = root->rb_node; if (!n) return NULL; while (n->rb_right) n = n->rb_right; return n; } struct rb_node *rb_next(struct rb_node *node) { struct rb_node *parent; if (rb_parent(node) == node) return NULL; /* If we have a right-hand child, go down and then left as far as we can. */ if (node->rb_right) { node = node->rb_right; while (node->rb_left) node=node->rb_left; return node; } /* No right-hand children. Everything down and left is smaller than us, so any 'next' node must be in the general direction of our parent. Go up the tree; any time the ancestor is a right-hand child of its parent, keep going up. First time it's a left-hand child of its parent, said parent is our 'next' node. */ while ((parent = rb_parent(node)) && node == parent->rb_right) node = parent; return parent; } struct rb_node *rb_prev(struct rb_node *node) { struct rb_node *parent; if (rb_parent(node) == node) return NULL; /* If we have a left-hand child, go down and then right as far as we can. */ if (node->rb_left) { node = node->rb_left; while (node->rb_right) node=node->rb_right; return node; } /* No left-hand children. Go up till we find an ancestor which is a right-hand child of its parent */ while ((parent = rb_parent(node)) && node == parent->rb_left) node = parent; return parent; } void rb_replace_node(struct rb_node *victim, struct rb_node *new, struct rb_root *root) { struct rb_node *parent = rb_parent(victim); /* Set the surrounding nodes to point to the replacement */ if (parent) { if (victim == parent->rb_left) parent->rb_left = new; else parent->rb_right = new; } else { root->rb_node = new; } if (victim->rb_left) rb_set_parent(victim->rb_left, new); if (victim->rb_right) rb_set_parent(victim->rb_right, new); /* Copy the pointers/colour from the victim to the replacement */ *new = *victim; } conntrack-1.4.3/src/read_config_lex.c000066400000000000000000004473651257407526400176030ustar00rootroot00000000000000 #line 3 "read_config_lex.c" #define YY_INT_ALIGNED short int /* A lexical scanner generated by flex */ #define FLEX_SCANNER #define YY_FLEX_MAJOR_VERSION 2 #define YY_FLEX_MINOR_VERSION 5 #define YY_FLEX_SUBMINOR_VERSION 35 #if YY_FLEX_SUBMINOR_VERSION > 0 #define FLEX_BETA #endif /* First, we deal with platform-specific or compiler-specific issues. */ /* begin standard C headers. */ #include #include #include #include /* end standard C headers. */ /* flex integer type definitions */ #ifndef FLEXINT_H #define FLEXINT_H /* C99 systems have . Non-C99 systems may or may not. */ #if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L /* C99 says to define __STDC_LIMIT_MACROS before including stdint.h, * if you want the limit (max/min) macros for int types. */ #ifndef __STDC_LIMIT_MACROS #define __STDC_LIMIT_MACROS 1 #endif #include typedef int8_t flex_int8_t; typedef uint8_t flex_uint8_t; typedef int16_t flex_int16_t; typedef uint16_t flex_uint16_t; typedef int32_t flex_int32_t; typedef uint32_t flex_uint32_t; #else typedef signed char flex_int8_t; typedef short int flex_int16_t; typedef int flex_int32_t; typedef unsigned char flex_uint8_t; typedef unsigned short int flex_uint16_t; typedef unsigned int flex_uint32_t; /* Limits of integral types. */ #ifndef INT8_MIN #define INT8_MIN (-128) #endif #ifndef INT16_MIN #define INT16_MIN (-32767-1) #endif #ifndef INT32_MIN #define INT32_MIN (-2147483647-1) #endif #ifndef INT8_MAX #define INT8_MAX (127) #endif #ifndef INT16_MAX #define INT16_MAX (32767) #endif #ifndef INT32_MAX #define INT32_MAX (2147483647) #endif #ifndef UINT8_MAX #define UINT8_MAX (255U) #endif #ifndef UINT16_MAX #define UINT16_MAX (65535U) #endif #ifndef UINT32_MAX #define UINT32_MAX (4294967295U) #endif #endif /* ! C99 */ #endif /* ! FLEXINT_H */ #ifdef __cplusplus /* The "const" storage-class-modifier is valid. */ #define YY_USE_CONST #else /* ! __cplusplus */ /* C99 requires __STDC__ to be defined as 1. */ #if defined (__STDC__) #define YY_USE_CONST #endif /* defined (__STDC__) */ #endif /* ! __cplusplus */ #ifdef YY_USE_CONST #define yyconst const #else #define yyconst #endif /* Returned upon end-of-file. */ #define YY_NULL 0 /* Promotes a possibly negative, possibly signed char to an unsigned * integer for use as an array index. If the signed char is negative, * we want to instead treat it as an 8-bit unsigned char, hence the * double cast. */ #define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c) /* Enter a start condition. This macro really ought to take a parameter, * but we do it the disgusting crufty way forced on us by the ()-less * definition of BEGIN. */ #define BEGIN (yy_start) = 1 + 2 * /* Translate the current start state into a value that can be later handed * to BEGIN to return to the state. The YYSTATE alias is for lex * compatibility. */ #define YY_START (((yy_start) - 1) / 2) #define YYSTATE YY_START /* Action number for EOF rule of a given start state. */ #define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) /* Special action meaning "start processing a new file". */ #define YY_NEW_FILE yyrestart(yyin ) #define YY_END_OF_BUFFER_CHAR 0 /* Size of default input buffer. */ #ifndef YY_BUF_SIZE #ifdef __ia64__ /* On IA-64, the buffer size is 16k, not 8k. * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case. * Ditto for the __ia64__ case accordingly. */ #define YY_BUF_SIZE 32768 #else #define YY_BUF_SIZE 16384 #endif /* __ia64__ */ #endif /* The state buf must be large enough to hold one state per character in the main buffer. */ #define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type)) #ifndef YY_TYPEDEF_YY_BUFFER_STATE #define YY_TYPEDEF_YY_BUFFER_STATE typedef struct yy_buffer_state *YY_BUFFER_STATE; #endif extern int yyleng; extern FILE *yyin, *yyout; #define EOB_ACT_CONTINUE_SCAN 0 #define EOB_ACT_END_OF_FILE 1 #define EOB_ACT_LAST_MATCH 2 /* Note: We specifically omit the test for yy_rule_can_match_eol because it requires * access to the local variable yy_act. Since yyless() is a macro, it would break * existing scanners that call yyless() from OUTSIDE yylex. * One obvious solution it to make yy_act a global. I tried that, and saw * a 5% performance hit in a non-yylineno scanner, because yy_act is * normally declared as a register variable-- so it is not worth it. */ #define YY_LESS_LINENO(n) \ do { \ int yyl;\ for ( yyl = n; yyl < yyleng; ++yyl )\ if ( yytext[yyl] == '\n' )\ --yylineno;\ }while(0) /* Return all but the first "n" matched characters back to the input stream. */ #define yyless(n) \ do \ { \ /* Undo effects of setting up yytext. */ \ int yyless_macro_arg = (n); \ YY_LESS_LINENO(yyless_macro_arg);\ *yy_cp = (yy_hold_char); \ YY_RESTORE_YY_MORE_OFFSET \ (yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \ YY_DO_BEFORE_ACTION; /* set up yytext again */ \ } \ while ( 0 ) #define unput(c) yyunput( c, (yytext_ptr) ) #ifndef YY_TYPEDEF_YY_SIZE_T #define YY_TYPEDEF_YY_SIZE_T typedef size_t yy_size_t; #endif #ifndef YY_STRUCT_YY_BUFFER_STATE #define YY_STRUCT_YY_BUFFER_STATE struct yy_buffer_state { FILE *yy_input_file; char *yy_ch_buf; /* input buffer */ char *yy_buf_pos; /* current position in input buffer */ /* Size of input buffer in bytes, not including room for EOB * characters. */ yy_size_t yy_buf_size; /* Number of characters read into yy_ch_buf, not including EOB * characters. */ int yy_n_chars; /* Whether we "own" the buffer - i.e., we know we created it, * and can realloc() it to grow it, and should free() it to * delete it. */ int yy_is_our_buffer; /* Whether this is an "interactive" input source; if so, and * if we're using stdio for input, then we want to use getc() * instead of fread(), to make sure we stop fetching input after * each newline. */ int yy_is_interactive; /* Whether we're considered to be at the beginning of a line. * If so, '^' rules will be active on the next match, otherwise * not. */ int yy_at_bol; int yy_bs_lineno; /**< The line count. */ int yy_bs_column; /**< The column count. */ /* Whether to try to fill the input buffer when we reach the * end of it. */ int yy_fill_buffer; int yy_buffer_status; #define YY_BUFFER_NEW 0 #define YY_BUFFER_NORMAL 1 /* When an EOF's been seen but there's still some text to process * then we mark the buffer as YY_EOF_PENDING, to indicate that we * shouldn't try reading from the input source any more. We might * still have a bunch of tokens to match, though, because of * possible backing-up. * * When we actually see the EOF, we change the status to "new" * (via yyrestart()), so that the user can continue scanning by * just pointing yyin at a new input file. */ #define YY_BUFFER_EOF_PENDING 2 }; #endif /* !YY_STRUCT_YY_BUFFER_STATE */ /* Stack of input buffers. */ static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */ static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */ static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */ /* We provide macros for accessing buffer states in case in the * future we want to put the buffer states in a more general * "scanner state". * * Returns the top of the stack, or NULL. */ #define YY_CURRENT_BUFFER ( (yy_buffer_stack) \ ? (yy_buffer_stack)[(yy_buffer_stack_top)] \ : NULL) /* Same as previous macro, but useful when we know that the buffer stack is not * NULL or when we need an lvalue. For internal use only. */ #define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)] /* yy_hold_char holds the character lost when yytext is formed. */ static char yy_hold_char; static int yy_n_chars; /* number of characters read into yy_ch_buf */ int yyleng; /* Points to current character in buffer. */ static char *yy_c_buf_p = (char *) 0; static int yy_init = 0; /* whether we need to initialize */ static int yy_start = 0; /* start state number */ /* Flag which is used to allow yywrap()'s to do buffer switches * instead of setting up a fresh yyin. A bit of a hack ... */ static int yy_did_buffer_switch_on_eof; void yyrestart (FILE *input_file ); void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ); YY_BUFFER_STATE yy_create_buffer (FILE *file,int size ); void yy_delete_buffer (YY_BUFFER_STATE b ); void yy_flush_buffer (YY_BUFFER_STATE b ); void yypush_buffer_state (YY_BUFFER_STATE new_buffer ); void yypop_buffer_state (void ); static void yyensure_buffer_stack (void ); static void yy_load_buffer_state (void ); static void yy_init_buffer (YY_BUFFER_STATE b,FILE *file ); #define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER ) YY_BUFFER_STATE yy_scan_buffer (char *base,yy_size_t size ); YY_BUFFER_STATE yy_scan_string (yyconst char *yy_str ); YY_BUFFER_STATE yy_scan_bytes (yyconst char *bytes,int len ); void *yyalloc (yy_size_t ); void *yyrealloc (void *,yy_size_t ); void yyfree (void * ); #define yy_new_buffer yy_create_buffer #define yy_set_interactive(is_interactive) \ { \ if ( ! YY_CURRENT_BUFFER ){ \ yyensure_buffer_stack (); \ YY_CURRENT_BUFFER_LVALUE = \ yy_create_buffer(yyin,YY_BUF_SIZE ); \ } \ YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ } #define yy_set_bol(at_bol) \ { \ if ( ! YY_CURRENT_BUFFER ){\ yyensure_buffer_stack (); \ YY_CURRENT_BUFFER_LVALUE = \ yy_create_buffer(yyin,YY_BUF_SIZE ); \ } \ YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \ } #define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) /* Begin user sect3 */ typedef unsigned char YY_CHAR; FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0; typedef int yy_state_type; extern int yylineno; int yylineno = 1; extern char *yytext; #define yytext_ptr yytext static yy_state_type yy_get_previous_state (void ); static yy_state_type yy_try_NUL_trans (yy_state_type current_state ); static int yy_get_next_buffer (void ); static void yy_fatal_error (yyconst char msg[] ); /* Done after the current pattern has been matched and before the * corresponding action - sets up yytext. */ #define YY_DO_BEFORE_ACTION \ (yytext_ptr) = yy_bp; \ yyleng = (size_t) (yy_cp - yy_bp); \ (yy_hold_char) = *yy_cp; \ *yy_cp = '\0'; \ (yy_c_buf_p) = yy_cp; #define YY_NUM_RULES 111 #define YY_END_OF_BUFFER 112 /* This struct is not used in this scanner, but its presence is necessary. */ struct yy_trans_info { flex_int32_t yy_verify; flex_int32_t yy_nxt; }; static yyconst flex_int16_t yy_accept[1302] = { 0, 0, 0, 112, 110, 108, 109, 109, 110, 110, 100, 96, 96, 110, 99, 99, 99, 99, 99, 99, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 99, 99, 99, 106, 106, 106, 110, 108, 0, 107, 97, 100, 0, 0, 96, 96, 0, 99, 99, 106, 99, 99, 106, 99, 99, 0, 99, 106, 99, 106, 106, 99, 106, 106, 106, 106, 106, 106, 106, 99, 106, 106, 0, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 0, 106, 94, 106, 94, 106, 106, 106, 106, 106, 0, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 0, 0, 94, 0, 94, 0, 0, 99, 99, 96, 96, 0, 99, 99, 99, 0, 99, 99, 106, 106, 0, 99, 99, 99, 106, 99, 106, 106, 99, 106, 106, 106, 106, 106, 106, 106, 106, 106, 0, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 0, 106, 0, 106, 106, 0, 95, 95, 106, 106, 0, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 11, 106, 106, 10, 106, 106, 45, 95, 95, 0, 96, 96, 0, 99, 99, 99, 0, 99, 99, 99, 99, 99, 106, 106, 0, 99, 106, 106, 106, 106, 106, 106, 99, 106, 106, 106, 106, 106, 106, 106, 106, 103, 103, 106, 106, 70, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 37, 106, 104, 104, 106, 0, 106, 77, 104, 106, 106, 0, 18, 106, 106, 24, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 29, 106, 106, 106, 79, 1, 106, 0, 103, 0, 0, 96, 96, 0, 0, 99, 99, 0, 99, 99, 99, 99, 99, 106, 106, 101, 101, 106, 106, 106, 54, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 23, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 0, 106, 106, 106, 0, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 66, 30, 106, 106, 106, 106, 106, 101, 101, 0, 96, 96, 0, 0, 99, 99, 0, 99, 99, 99, 99, 0, 99, 99, 99, 99, 99, 106, 106, 67, 106, 106, 55, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 39, 63, 106, 106, 106, 88, 106, 106, 106, 106, 106, 106, 68, 106, 106, 106, 56, 106, 106, 106, 106, 106, 106, 106, 0, 106, 106, 106, 0, 91, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 26, 106, 106, 106, 0, 98, 98, 96, 96, 0, 0, 0, 99, 0, 99, 99, 99, 99, 0, 0, 99, 99, 99, 99, 99, 99, 99, 99, 99, 106, 106, 65, 22, 106, 106, 106, 106, 106, 74, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 28, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 25, 106, 106, 106, 105, 105, 106, 84, 106, 0, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 105, 0, 96, 96, 0, 0, 0, 0, 0, 99, 0, 99, 99, 99, 0, 0, 99, 99, 0, 99, 99, 0, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 106, 106, 106, 106, 106, 42, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 50, 106, 12, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 52, 38, 27, 106, 106, 106, 106, 106, 106, 106, 106, 0, 75, 80, 64, 106, 90, 89, 106, 106, 106, 106, 106, 106, 48, 47, 106, 106, 106, 21, 106, 106, 106, 98, 98, 96, 96, 0, 0, 0, 0, 0, 99, 0, 99, 99, 0, 0, 99, 99, 0, 99, 99, 0, 0, 0, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 92, 106, 106, 17, 106, 106, 106, 106, 106, 106, 106, 106, 8, 106, 106, 106, 106, 9, 106, 106, 106, 106, 0, 106, 106, 106, 106, 44, 106, 106, 78, 106, 106, 106, 53, 71, 96, 96, 0, 0, 0, 0, 0, 99, 0, 99, 99, 0, 99, 99, 0, 0, 0, 99, 99, 0, 99, 99, 0, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 106, 106, 51, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 102, 102, 106, 106, 106, 106, 106, 106, 106, 106, 106, 96, 96, 0, 0, 0, 0, 0, 99, 99, 99, 0, 0, 99, 99, 0, 99, 99, 0, 0, 0, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 106, 106, 106, 106, 106, 106, 106, 106, 106, 49, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 72, 106, 106, 106, 106, 106, 106, 106, 106, 13, 106, 106, 106, 106, 106, 106, 96, 96, 0, 0, 0, 0, 99, 99, 99, 99, 0, 0, 0, 99, 99, 0, 99, 99, 0, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 106, 106, 14, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 2, 106, 106, 3, 106, 106, 106, 106, 106, 106, 106, 106, 106, 69, 106, 106, 106, 106, 106, 106, 106, 96, 96, 0, 0, 0, 99, 99, 0, 99, 99, 0, 0, 0, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 106, 43, 106, 15, 106, 106, 106, 106, 106, 106, 93, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 96, 96, 0, 0, 0, 99, 0, 99, 0, 99, 99, 0, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 106, 106, 106, 58, 106, 106, 106, 106, 106, 106, 6, 106, 7, 19, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 96, 96, 0, 0, 99, 0, 0, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 106, 106, 106, 106, 106, 106, 106, 86, 106, 106, 106, 106, 106, 106, 106, 106, 106, 62, 106, 106, 41, 61, 106, 106, 96, 96, 0, 0, 0, 0, 99, 99, 99, 99, 99, 99, 99, 99, 99, 106, 106, 106, 106, 106, 87, 106, 106, 106, 20, 106, 106, 106, 106, 106, 106, 31, 40, 32, 106, 96, 96, 0, 0, 99, 99, 99, 99, 99, 106, 46, 106, 106, 106, 106, 106, 106, 57, 106, 106, 35, 106, 106, 106, 85, 96, 96, 0, 99, 99, 99, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 96, 96, 99, 106, 106, 106, 106, 73, 106, 106, 106, 106, 106, 106, 106, 106, 96, 96, 106, 16, 83, 82, 106, 106, 60, 59, 106, 106, 76, 106, 96, 96, 106, 106, 106, 106, 81, 106, 96, 96, 106, 106, 106, 106, 106, 96, 96, 106, 106, 106, 106, 106, 96, 96, 106, 4, 5, 106, 33, 106, 96, 96, 106, 106, 34, 96, 96, 106, 36, 96, 96, 106, 96, 96, 106, 96, 96, 0 } ; static yyconst flex_int32_t yy_ec[256] = { 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 1, 1, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 1, 6, 7, 1, 1, 1, 1, 1, 1, 1, 8, 1, 9, 10, 11, 12, 12, 13, 14, 15, 14, 16, 14, 14, 14, 17, 1, 1, 1, 1, 1, 1, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 27, 1, 1, 1, 1, 43, 1, 44, 45, 46, 47, 48, 49, 50, 51, 52, 27, 53, 54, 55, 56, 57, 58, 27, 59, 60, 61, 62, 63, 64, 65, 66, 67, 1, 68, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 } ; static yyconst flex_int32_t yy_meta[69] = { 0, 1, 1, 2, 1, 2, 2, 1, 1, 3, 4, 5, 6, 6, 6, 6, 6, 7, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 8 } ; static yyconst flex_int16_t yy_base[1595] = { 0, 0, 0, 5016, 5017, 67, 5017, 5017, 5012, 61, 0, 68, 76, 4997, 83, 141, 82, 65, 79, 139, 155, 99, 160, 107, 157, 195, 162, 209, 220, 223, 167, 200, 233, 238, 276, 230, 4969, 258, 299, 297, 301, 352, 117, 5009, 5017, 325, 0, 345, 364, 411, 419, 4994, 97, 4999, 124, 425, 4981, 438, 4962, 4960, 102, 4960, 318, 4959, 294, 245, 232, 334, 382, 393, 337, 400, 446, 442, 4949, 443, 464, 298, 467, 468, 469, 472, 476, 477, 481, 479, 484, 488, 491, 511, 502, 501, 543, 547, 551, 555, 554, 553, 564, 563, 565, 348, 566, 567, 585, 593, 578, 441, 581, 592, 613, 574, 637, 630, 640, 641, 655, 657, 648, 652, 659, 676, 678, 680, 344, 615, 5017, 235, 731, 718, 743, 748, 757, 771, 790, 4986, 184, 123, 185, 781, 221, 796, 809, 730, 482, 4954, 4942, 4947, 810, 4948, 811, 812, 4954, 814, 813, 821, 836, 839, 844, 822, 849, 851, 81, 858, 876, 877, 886, 884, 888, 891, 905, 907, 912, 914, 916, 924, 925, 946, 951, 955, 954, 966, 968, 335, 970, 559, 977, 978, 684, 980, 5017, 987, 989, 495, 990, 999, 1000, 1007, 1026, 992, 1033, 1045, 1048, 1052, 1055, 1060, 1059, 1062, 1063, 1071, 1072, 1067, 1075, 1080, 1089, 1100, 1101, 1087, 1115, 1125, 1127, 616, 1118, 1147, 1186, 1194, 4980, 381, 222, 225, 4979, 1160, 1175, 243, 4984, 1200, 1213, 1220, 300, 4936, 1215, 1216, 1217, 1218, 1225, 1240, 4931, 1241, 1242, 1244, 1243, 1256, 1257, 1260, 1265, 1279, 5017, 1280, 1283, 1287, 1302, 1305, 1303, 1306, 1310, 1319, 1318, 1326, 1327, 1329, 1347, 1348, 1365, 1339, 1349, 1372, 1373, 1381, 5017, 1382, 265, 1391, 1392, 706, 1394, 1395, 649, 1402, 1407, 1403, 1411, 1418, 1419, 1420, 1421, 1435, 1437, 1444, 1447, 1455, 1483, 1463, 1456, 1473, 1480, 1484, 1485, 1487, 1497, 1515, 1505, 1516, 1518, 1520, 1541, 1585, 1592, 1600, 1608, 4975, 187, 696, 718, 4974, 725, 1130, 1134, 4979, 1153, 1615, 1526, 1519, 5017, 1628, 1543, 1629, 1630, 1631, 1632, 1633, 1641, 1551, 1655, 1659, 1658, 1668, 1667, 1663, 1693, 1666, 1671, 1697, 1704, 1705, 1708, 1726, 1727, 1734, 1729, 1739, 1736, 1741, 1751, 1752, 1753, 1763, 1764, 1772, 1776, 817, 1781, 1795, 1799, 646, 1812, 1813, 1816, 1825, 1817, 1835, 1828, 1830, 1839, 1858, 1862, 1866, 1875, 1878, 1883, 1888, 1891, 1895, 1900, 1902, 1899, 1904, 1903, 1635, 1918, 1961, 1975, 1983, 4972, 205, 1168, 1528, 4971, 1546, 1559, 1563, 1907, 4970, 1911, 4975, 1916, 1924, 4974, 1989, 2002, 1949, 2003, 2004, 2005, 2007, 2012, 2015, 2014, 2028, 2029, 2031, 2039, 2040, 2041, 2042, 2051, 2076, 2074, 2049, 2067, 2075, 2078, 2104, 2105, 2107, 2114, 2121, 2117, 2119, 2128, 2130, 2137, 2139, 2140, 2141, 2142, 2157, 2153, 2169, 2177, 2180, 2189, 845, 2201, 2202, 2203, 466, 2205, 2212, 2215, 2217, 2227, 2219, 2224, 2235, 2238, 2239, 2249, 2280, 2248, 2273, 2261, 2283, 2291, 2264, 2294, 2302, 2307, 2309, 2284, 1968, 2352, 2366, 2374, 4967, 315, 4966, 1925, 4965, 1928, 1936, 2044, 2236, 4964, 4963, 2311, 2316, 2323, 4968, 2327, 2339, 4967, 2343, 2344, 2380, 2393, 2394, 2395, 2396, 2398, 2405, 2419, 2420, 2421, 2422, 2423, 2430, 2431, 2432, 2448, 2434, 2458, 2459, 2460, 2468, 2490, 2475, 2492, 2494, 2495, 2497, 2502, 2507, 2514, 2518, 2504, 2521, 2523, 2528, 2536, 2550, 2537, 2563, 2570, 2577, 5017, 2584, 2581, 2591, 1498, 2582, 2598, 2600, 2603, 2611, 2608, 2612, 2610, 2626, 2623, 2615, 2624, 2658, 2644, 2640, 2645, 2678, 2679, 2687, 2688, 2689, 2055, 2405, 2705, 2715, 4960, 317, 4959, 4958, 4955, 2690, 4951, 2692, 2722, 2725, 4947, 4943, 2726, 2734, 4939, 2737, 2741, 4935, 2742, 4937, 2749, 2750, 4933, 2751, 2752, 2753, 2754, 4929, 2760, 201, 356, 133, 108, 4916, 449, 119, 335, 307, 623, 390, 445, 679, 450, 723, 591, 4902, 774, 4880, 867, 686, 569, 869, 817, 835, 854, 499, 892, 677, 4847, 4800, 4740, 705, 378, 682, 889, 950, 401, 991, 1425, 1311, 4736, 4661, 4657, 921, 4569, 4475, 897, 926, 934, 1133, 1003, 1177, 4471, 4387, 1108, 1076, 1223, 4383, 1088, 996, 1221, 2772, 2777, 2784, 2800, 938, 4311, 4257, 4216, 4188, 2807, 4131, 2808, 2809, 4116, 4109, 2810, 2811, 4101, 2812, 2819, 4100, 4099, 4098, 2820, 2821, 2822, 4097, 2823, 2824, 2831, 2832, 2833, 2834, 4089, 2835, 2836, 2843, 2849, 1011, 1262, 1324, 1239, 1247, 1286, 1410, 1340, 1417, 842, 1332, 1148, 4075, 1508, 1387, 4063, 1465, 1544, 1309, 1517, 1701, 1530, 1750, 1808, 4062, 590, 1809, 1648, 1650, 4061, 1821, 1767, 1843, 2306, 1864, 1786, 1013, 1428, 1673, 4060, 1838, 1023, 4053, 1224, 1908, 1845, 4045, 4037, 2863, 2871, 1855, 4025, 4024, 4023, 4022, 2888, 4015, 2889, 2890, 1948, 2891, 2892, 4007, 3987, 3986, 2893, 2900, 3985, 2901, 2902, 3984, 2903, 3983, 2904, 2905, 3975, 2912, 2913, 2914, 3967, 2915, 2916, 2917, 2924, 2925, 2926, 3955, 2932, 1639, 3941, 2052, 2064, 1796, 2145, 2325, 2406, 2516, 1560, 819, 1933, 2186, 1906, 2081, 2109, 1920, 2175, 2123, 2178, 2244, 2260, 2542, 2322, 930, 2132, 2527, 2279, 2313, 3940, 5017, 2648, 2733, 2549, 1749, 2841, 2842, 2794, 2921, 2478, 2946, 58, 3939, 3938, 3926, 3923, 3915, 2953, 2954, 2955, 3894, 3892, 2956, 2957, 3890, 2971, 2972, 3889, 3887, 3869, 2973, 2974, 2975, 2976, 3863, 2983, 2984, 2985, 2986, 2987, 2988, 2995, 2996, 3817, 2997, 2998, 2999, 3000, 3006, 1285, 3013, 131, 3014, 256, 2427, 2487, 2665, 3800, 3015, 2187, 3016, 2636, 2314, 2627, 2391, 2629, 3017, 2694, 2476, 2429, 3799, 3018, 1689, 2441, 3019, 3020, 3021, 3022, 2685, 3792, 3023, 3026, 2838, 3024, 3027, 3025, 3077, 3085, 3773, 3746, 3710, 3708, 3047, 3045, 3048, 3071, 3696, 3688, 3629, 3092, 3093, 3628, 3094, 3095, 3627, 3096, 3097, 3104, 3105, 3631, 3106, 3107, 3108, 3577, 3109, 3116, 3117, 3118, 3119, 3120, 3121, 3576, 3127, 3031, 3568, 3134, 3135, 1073, 3136, 2329, 3138, 3139, 3140, 3141, 1440, 3142, 3502, 2561, 3143, 3501, 2566, 3144, 3029, 3146, 3137, 3151, 3147, 3148, 3145, 3483, 3160, 2840, 3032, 2923, 3161, 3150, 3165, 3202, 3210, 3479, 3404, 3403, 3170, 3172, 3400, 3173, 3217, 3391, 3389, 3388, 3218, 3219, 3220, 3221, 3222, 3229, 3230, 3231, 3232, 3233, 3234, 3241, 3323, 3242, 3243, 3244, 3245, 3251, 3316, 3258, 3307, 3152, 3196, 3028, 3259, 2077, 3260, 3305, 3261, 3044, 3262, 3266, 3263, 1700, 3264, 3265, 3267, 3268, 3269, 2706, 3271, 3272, 3273, 3274, 2607, 3275, 3285, 3287, 3329, 3337, 3295, 3304, 3174, 3296, 3171, 3297, 3163, 3308, 3321, 3162, 3344, 3345, 3346, 3159, 3347, 3348, 3349, 3356, 3357, 3358, 3359, 3360, 3155, 3366, 3331, 3276, 3054, 2631, 3277, 3355, 1562, 3175, 3366, 3053, 3373, 2874, 2865, 3374, 3375, 2011, 2024, 3377, 3378, 2922, 3379, 3380, 3381, 3384, 3382, 3383, 3385, 3430, 3439, 2786, 2785, 3392, 2732, 2619, 3407, 2622, 3408, 3411, 3422, 3446, 3447, 2560, 3448, 3449, 3450, 3451, 3457, 3457, 3464, 759, 1637, 1797, 3465, 2538, 3466, 3467, 3468, 3469, 3470, 3471, 3472, 3474, 3387, 2513, 3475, 3473, 2352, 2340, 3477, 3478, 3498, 3528, 3482, 2330, 2246, 2234, 3509, 2182, 3520, 3535, 3536, 3537, 3538, 3539, 2179, 3545, 2466, 3390, 3534, 3552, 2159, 3545, 3292, 3554, 2094, 3481, 3553, 3555, 3557, 3556, 3558, 2085, 2027, 2438, 3480, 3567, 3597, 2010, 1931, 1780, 3584, 3604, 3605, 3606, 3612, 1703, 3569, 3603, 3619, 3586, 1097, 1711, 1636, 3620, 3622, 3030, 3623, 3581, 3624, 1573, 3638, 3660, 1490, 1412, 3667, 3668, 3674, 3663, 3647, 3649, 3582, 3559, 3665, 3666, 3682, 3664, 3646, 3645, 3685, 3719, 3727, 3692, 3739, 3687, 3690, 3698, 1263, 3709, 3728, 3689, 3707, 3699, 3711, 3732, 3492, 3757, 3779, 3785, 1163, 1149, 1018, 3751, 3759, 855, 834, 3693, 3763, 687, 3760, 3810, 3825, 3831, 3764, 3765, 3762, 603, 3798, 3846, 3854, 3869, 3797, 3848, 3855, 3856, 3883, 3909, 3915, 3884, 3885, 3877, 3886, 3936, 3955, 3961, 589, 536, 3893, 513, 3785, 3975, 3983, 3999, 3888, 434, 4013, 4021, 4037, 253, 4051, 4059, 4075, 4089, 4097, 182, 4115, 4122, 5017, 4138, 4146, 4151, 4156, 4161, 4163, 4166, 4169, 4171, 4174, 4177, 4181, 4183, 4186, 4189, 4191, 4194, 4197, 4200, 4202, 4205, 4208, 4210, 4213, 4216, 4219, 4222, 4224, 4228, 4230, 4233, 4236, 4238, 4241, 4244, 4247, 4250, 4252, 4255, 4258, 4260, 4263, 4266, 4269, 4271, 4273, 4276, 4278, 4281, 4284, 4287, 4290, 4292, 4294, 4297, 4300, 4303, 4306, 4308, 4311, 4314, 4316, 4319, 4323, 4325, 4327, 4329, 4332, 4334, 4337, 4340, 4343, 4345, 4347, 4350, 4353, 4355, 4358, 4361, 4363, 4366, 4369, 4371, 4374, 4377, 4379, 4382, 4385, 4388, 4391, 4395, 4399, 4401, 4403, 4405, 4408, 4410, 4413, 4416, 4418, 4420, 4423, 4426, 4428, 4431, 4434, 4436, 4438, 4441, 4444, 4447, 4450, 4452, 4455, 4458, 4461, 4464, 4467, 4470, 4472, 4475, 4478, 4483, 4487, 4489, 4491, 4493, 4495, 4498, 4500, 4503, 4506, 4509, 4512, 4514, 4516, 4519, 4522, 4524, 4527, 4530, 4532, 4535, 4538, 4540, 4543, 4546, 4548, 4551, 4554, 4557, 4559, 4562, 4565, 4568, 4571, 4574, 4577, 4581, 4583, 4585, 4587, 4589, 4592, 4595, 4597, 4600, 4603, 4605, 4608, 4611, 4613, 4615, 4618, 4621, 4624, 4627, 4630, 4632, 4635, 4638, 4641, 4644, 4647, 4650, 4653, 4656, 4658, 4661, 4664, 4669, 4673, 4675, 4677, 4679, 4682, 4685, 4687, 4690, 4693, 4695, 4698, 4701, 4703, 4706, 4709, 4712, 4715, 4718, 4720, 4723, 4726, 4729, 4732, 4735, 4738, 4741, 4744, 4748, 4752, 4754, 4756, 4759, 4762, 4765, 4768, 4770, 4773, 4776, 4779, 4782, 4785, 4788, 4791, 4794, 4797, 4800, 4802, 4805, 4808, 4812, 4814, 4816, 4819, 4821, 4824, 4827, 4829, 4832, 4835, 4838, 4841, 4844, 4847, 4850, 4853, 4856, 4859, 4861, 4863, 4865, 4868, 4871, 4873, 4876, 4879, 4882, 4885, 4888, 4892, 4894, 4896, 4899, 4901, 4904, 4907, 4910, 4914, 4916, 4919, 4921, 4924, 4928, 4931, 4935, 4939, 4943, 4947, 4951, 4955, 4959, 4963, 4967 } ; static yyconst flex_int16_t yy_def[1595] = { 0, 1301, 1, 1301, 1301, 1301, 1301, 1301, 1302, 1301, 1303, 1304, 1304, 1301, 1305, 1305, 15, 15, 15, 15, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 15, 15, 15, 1305, 1305, 1305, 1301, 1301, 1302, 1301, 1301, 1303, 1301, 1301, 1306, 1306, 1307, 1306, 1308, 1305, 15, 55, 1305, 55, 55, 1301, 55, 1305, 55, 1305, 1305, 55, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 55, 1305, 1305, 1301, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1301, 1305, 1305, 1305, 1301, 1305, 1305, 1305, 1305, 1305, 1301, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1309, 1309, 1310, 1309, 1311, 1308, 1301, 1312, 55, 1305, 1305, 1301, 141, 141, 141, 1305, 141, 1305, 1305, 141, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1301, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1301, 1305, 1301, 1305, 1305, 1301, 1305, 1301, 1305, 1305, 1301, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1301, 1301, 1301, 1313, 1313, 1314, 1313, 1315, 1316, 1317, 1301, 1301, 1318, 1319, 141, 1305, 1305, 1301, 235, 1305, 1305, 1305, 1305, 1305, 1305, 235, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1301, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1301, 1305, 1301, 1305, 1305, 1301, 1305, 1305, 1301, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1301, 1301, 1301, 1301, 1320, 1320, 1321, 1320, 1322, 1323, 1324, 1325, 1326, 1327, 1328, 1329, 235, 1305, 1305, 1301, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1301, 1305, 1305, 1305, 1301, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1301, 1301, 1301, 1330, 1330, 1331, 1330, 1332, 1333, 1334, 1335, 1336, 1337, 1338, 1339, 1340, 1341, 1342, 1343, 1344, 329, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1301, 1305, 1305, 1305, 1301, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1301, 1301, 1301, 1345, 1345, 1346, 1345, 1347, 1348, 1349, 1350, 1351, 1352, 1353, 1354, 1355, 1356, 1357, 1358, 1359, 1360, 1361, 1362, 1363, 1364, 329, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1301, 1305, 1305, 1305, 1301, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1305, 1301, 1301, 1365, 1365, 1346, 1365, 1366, 1367, 1368, 1369, 1370, 1371, 1372, 1373, 1374, 1375, 1376, 1377, 1378, 1379, 1380, 1381, 1382, 1383, 1384, 1385, 1386, 1387, 1388, 1389, 1390, 1391, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1301, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1392, 1301, 1301, 1393, 1393, 1393, 1394, 1368, 1395, 1396, 1397, 1398, 1399, 1400, 1401, 1402, 1403, 1404, 1405, 1406, 1407, 1408, 1395, 1409, 1410, 1411, 1412, 1413, 1414, 1415, 1416, 1417, 1418, 1419, 1420, 1421, 1422, 1423, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1301, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1424, 1425, 1425, 1425, 1426, 1427, 1428, 1429, 1430, 1431, 1432, 1433, 1425, 1434, 1435, 1436, 1426, 1437, 1438, 1439, 1440, 1441, 1442, 1443, 1444, 1445, 1446, 1447, 1448, 1449, 1450, 1451, 1452, 1453, 1454, 1455, 1456, 1457, 1458, 1459, 1460, 1460, 1460, 1460, 1460, 1460, 1460, 1460, 1460, 1460, 1460, 1460, 1460, 1460, 1460, 1460, 1460, 1460, 1460, 1460, 1460, 1460, 1460, 1460, 1460, 1460, 1460, 1460, 1460, 1460, 1460, 1301, 1460, 1460, 1460, 1460, 1460, 1460, 1460, 1460, 1460, 1426, 841, 1426, 1461, 1462, 1463, 1464, 1465, 1461, 1466, 1467, 1462, 1468, 1469, 1470, 1471, 1472, 1473, 1463, 1474, 1475, 1476, 1477, 1478, 1479, 1480, 1481, 1482, 1483, 1484, 1485, 1486, 1487, 1488, 1480, 1489, 1490, 1491, 1492, 1492, 1492, 1492, 1492, 1492, 1492, 1492, 1492, 1492, 1492, 1492, 1492, 1492, 1492, 1492, 1492, 1492, 1492, 1492, 1492, 1492, 1492, 1492, 1492, 1492, 1492, 1492, 1492, 1492, 1492, 1492, 1492, 1492, 1492, 1492, 1492, 1492, 1493, 1493, 1470, 1494, 1495, 1496, 1493, 1497, 1494, 1498, 1473, 1463, 1499, 1500, 1501, 1502, 1503, 1504, 1505, 1506, 1507, 1508, 1509, 1510, 1506, 1511, 1512, 1510, 1507, 1513, 1514, 1515, 1516, 1517, 1518, 1519, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1521, 1521, 1499, 1522, 1523, 1524, 1525, 1502, 1526, 1527, 1505, 1522, 1528, 1529, 1530, 1507, 1508, 1531, 1532, 1533, 1531, 1534, 1535, 1536, 1537, 1538, 1532, 1539, 1540, 1541, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1542, 1542, 1526, 1543, 1544, 1526, 1528, 1545, 1546, 1547, 1548, 1549, 1535, 1550, 1551, 1538, 1550, 1532, 1552, 1553, 1554, 1555, 1556, 1557, 1558, 1018, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1559, 1559, 1560, 1561, 1547, 1560, 1562, 1563, 1564, 1552, 1565, 1555, 1566, 1567, 1558, 1565, 1568, 1569, 1570, 1018, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1571, 1571, 1547, 1572, 1301, 1573, 1301, 1574, 1566, 1568, 1575, 1576, 1577, 1578, 1301, 1018, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1579, 1579, 1580, 1580, 1581, 1577, 1575, 1582, 1583, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1584, 1584, 1301, 1301, 1585, 1301, 1189, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1586, 1586, 1583, 1189, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1587, 1587, 1189, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1520, 1588, 1588, 1520, 1520, 1520, 1520, 1520, 1520, 1589, 1589, 1256, 1520, 1520, 1520, 1520, 1590, 1590, 1256, 1520, 1520, 1520, 1520, 1591, 1591, 1256, 1520, 1520, 1520, 1520, 1520, 1592, 1592, 1520, 1520, 1520, 1593, 1593, 1286, 1520, 1594, 1594, 1286, 1301, 1301, 1520, 1301, 1301, 0, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301 } ; static yyconst flex_int16_t yy_nxt[5086] = { 0, 4, 5, 6, 7, 5, 4, 8, 9, 9, 4, 10, 11, 11, 12, 12, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 23, 23, 23, 23, 4, 35, 36, 36, 36, 36, 37, 23, 23, 23, 23, 23, 23, 38, 39, 40, 23, 23, 23, 23, 23, 23, 23, 23, 23, 41, 42, 918, 918, 42, 45, 45, 45, 45, 45, 47, 48, 49, 49, 50, 50, 50, 51, 47, 48, 50, 50, 50, 50, 50, 51, 48, 55, 55, 55, 55, 55, 51, 55, 55, 56, 55, 55, 55, 1301, 48, 55, 1301, 62, 57, 66, 135, 68, 1301, 67, 1301, 42, 144, 256, 42, 55, 1301, 1301, 63, 55, 55, 58, 59, 55, 55, 64, 48, 1301, 1301, 57, 69, 65, 230, 1301, 70, 80, 71, 256, 144, 81, 1301, 256, 1301, 60, 48, 55, 55, 55, 55, 55, 51, 55, 55, 55, 55, 55, 55, 72, 1301, 1301, 1301, 716, 144, 1301, 1301, 1301, 1301, 1301, 73, 1301, 1301, 1301, 718, 715, 956, 74, 1301, 61, 55, 55, 55, 55, 55, 75, 1301, 82, 1301, 48, 139, 1301, 76, 1149, 73, 226, 53, 78, 402, 85, 1301, 77, 90, 1301, 83, 1301, 1301, 86, 79, 1301, 84, 1301, 1301, 91, 1301, 87, 493, 1301, 92, 1301, 1301, 93, 1301, 108, 1301, 1301, 139, 48, 1301, 1301, 48, 1301, 234, 323, 1301, 94, 323, 98, 1301, 102, 109, 88, 110, 1301, 1301, 99, 89, 93, 139, 1301, 1301, 95, 117, 57, 327, 96, 1301, 1301, 118, 713, 94, 103, 1301, 98, 1301, 102, 185, 1301, 55, 111, 99, 97, 100, 112, 104, 152, 105, 369, 57, 106, 153, 1301, 101, 113, 114, 107, 154, 1301, 115, 73, 185, 120, 60, 116, 151, 1301, 55, 185, 119, 1301, 1301, 121, 1301, 369, 1301, 1301, 1301, 1301, 1301, 123, 1301, 93, 1301, 73, 98, 162, 958, 102, 1301, 1301, 77, 1301, 99, 1301, 332, 94, 584, 369, 584, 1301, 122, 45, 45, 45, 45, 45, 150, 93, 1301, 1301, 98, 162, 1301, 102, 148, 1301, 1301, 99, 1301, 332, 94, 129, 129, 130, 130, 130, 1301, 278, 183, 101, 162, 97, 332, 107, 124, 190, 720, 1301, 107, 125, 131, 132, 132, 132, 132, 60, 714, 126, 127, 158, 1301, 719, 278, 77, 183, 1301, 48, 1301, 155, 1301, 124, 190, 319, 1301, 107, 125, 1301, 278, 1301, 1301, 60, 1301, 126, 127, 1301, 1301, 183, 77, 740, 722, 190, 1301, 1301, 156, 128, 47, 48, 133, 133, 134, 134, 134, 135, 47, 48, 134, 134, 134, 134, 134, 135, 141, 141, 141, 141, 141, 135, 141, 141, 141, 141, 141, 141, 1301, 1301, 1301, 157, 1301, 1301, 1301, 143, 1301, 159, 1301, 1301, 1301, 1301, 1301, 744, 161, 1301, 1301, 1301, 141, 141, 141, 141, 141, 141, 1301, 193, 160, 1301, 1301, 1301, 1301, 143, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 161, 1301, 1301, 1301, 1301, 1301, 164, 1301, 1301, 193, 1301, 1301, 558, 717, 1301, 144, 723, 1301, 193, 162, 1301, 1301, 1301, 1301, 725, 1301, 238, 1301, 1301, 174, 165, 1301, 166, 175, 167, 169, 558, 1301, 168, 1301, 286, 1301, 171, 558, 1301, 1301, 1301, 173, 170, 1301, 238, 172, 736, 1301, 1301, 179, 1301, 180, 1301, 238, 176, 1301, 1301, 1301, 286, 1301, 177, 1301, 1301, 1301, 178, 1301, 286, 1301, 1301, 1301, 182, 1301, 1301, 1301, 1301, 1301, 183, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 189, 184, 1301, 185, 1301, 1301, 182, 280, 1301, 1301, 181, 1301, 183, 187, 192, 1301, 1301, 1301, 206, 1301, 1301, 1301, 1301, 1301, 1301, 184, 189, 185, 183, 186, 731, 280, 185, 1301, 188, 1301, 1301, 1301, 192, 191, 280, 194, 200, 1301, 1301, 190, 1301, 193, 1301, 823, 199, 190, 195, 1301, 1301, 1301, 727, 196, 197, 1301, 1301, 1301, 1301, 198, 1301, 1301, 1301, 1301, 201, 256, 1301, 1301, 1301, 1301, 1301, 202, 1301, 190, 1301, 1301, 203, 1301, 1301, 1301, 204, 1301, 205, 1301, 373, 1301, 208, 215, 721, 256, 1301, 465, 190, 256, 210, 209, 1301, 207, 1301, 214, 1301, 217, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 211, 373, 218, 1301, 1301, 1301, 465, 48, 1301, 1301, 216, 212, 278, 406, 465, 213, 1301, 373, 741, 280, 1301, 738, 1301, 1301, 369, 1301, 219, 1301, 223, 48, 129, 129, 130, 130, 130, 406, 48, 278, 724, 220, 1301, 1301, 406, 280, 1301, 730, 1301, 1301, 1301, 144, 369, 183, 283, 223, 221, 130, 130, 130, 130, 130, 131, 132, 132, 132, 132, 237, 193, 739, 185, 132, 132, 132, 132, 132, 369, 144, 1301, 183, 726, 1163, 221, 47, 48, 224, 224, 225, 225, 225, 226, 237, 193, 1301, 185, 231, 232, 232, 232, 232, 238, 222, 47, 48, 225, 225, 225, 225, 225, 226, 235, 235, 235, 235, 235, 226, 235, 235, 235, 235, 235, 235, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 728, 1301, 461, 1301, 1301, 235, 235, 235, 235, 235, 235, 242, 1301, 889, 236, 1301, 1301, 1301, 1301, 250, 1301, 1301, 244, 247, 1301, 1301, 1301, 1301, 461, 810, 249, 1301, 245, 1301, 1301, 253, 1301, 1301, 554, 248, 1301, 733, 1301, 1301, 1301, 1301, 1301, 1301, 734, 1301, 461, 1301, 1301, 1301, 1301, 1301, 255, 254, 1301, 1301, 1301, 251, 1301, 554, 1301, 252, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 257, 735, 1301, 554, 1301, 255, 1301, 1301, 1301, 256, 264, 265, 1301, 1301, 1301, 1301, 1301, 1301, 729, 1301, 732, 1301, 259, 1301, 260, 1301, 1301, 258, 1301, 262, 737, 1301, 1301, 1301, 1301, 1301, 261, 1301, 1301, 263, 742, 1301, 1301, 269, 1301, 681, 1301, 1301, 749, 1301, 267, 270, 1301, 1301, 266, 1301, 1301, 1301, 1301, 748, 268, 1301, 1301, 1301, 273, 1301, 903, 1301, 750, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 271, 1301, 1301, 1301, 751, 1301, 1301, 1301, 1301, 1301, 277, 1301, 1301, 272, 1301, 1301, 275, 1301, 1301, 279, 1301, 1301, 1301, 1301, 1301, 1301, 743, 1301, 1301, 274, 1301, 1301, 1301, 1301, 1301, 277, 1301, 1301, 1301, 285, 282, 276, 1301, 279, 1301, 281, 833, 759, 1301, 1301, 278, 1301, 280, 284, 1301, 287, 293, 1301, 1301, 1301, 1301, 801, 1301, 285, 1301, 288, 753, 289, 745, 1301, 1301, 286, 1301, 1301, 1301, 290, 1301, 1301, 291, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 295, 1301, 1301, 1301, 837, 1301, 292, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 294, 297, 1301, 1301, 302, 1301, 1301, 300, 1022, 1301, 1301, 1301, 296, 299, 298, 301, 1301, 1301, 1301, 1301, 1216, 1301, 1301, 1301, 305, 1301, 306, 309, 1301, 303, 1301, 1301, 1301, 1301, 308, 1301, 1301, 1301, 304, 307, 1301, 1301, 756, 1301, 1301, 1301, 48, 1301, 1301, 1301, 139, 278, 411, 1301, 310, 1301, 413, 758, 313, 286, 1301, 311, 1301, 256, 315, 315, 316, 316, 316, 139, 1301, 1301, 755, 1301, 1301, 416, 278, 231, 232, 232, 232, 232, 313, 286, 48, 1301, 752, 256, 1301, 312, 497, 314, 232, 232, 232, 232, 232, 812, 1301, 1301, 1301, 47, 48, 317, 317, 318, 318, 318, 319, 47, 48, 318, 318, 318, 318, 318, 319, 329, 329, 329, 329, 329, 319, 329, 329, 329, 329, 329, 329, 1301, 754, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 336, 1301, 1301, 1301, 838, 329, 329, 329, 329, 329, 329, 331, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 344, 334, 1301, 330, 337, 1301, 1301, 760, 335, 1301, 757, 1301, 1301, 331, 1301, 1301, 338, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 804, 332, 343, 1301, 1301, 339, 1301, 1301, 805, 1301, 1301, 1301, 802, 1301, 342, 1301, 1301, 1301, 348, 347, 341, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 345, 1301, 1301, 346, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 350, 353, 1301, 349, 1301, 1301, 1301, 1301, 354, 1301, 1301, 747, 1301, 1301, 806, 1301, 1301, 1301, 1301, 1301, 1301, 954, 356, 355, 1301, 1301, 1301, 1301, 1301, 1301, 351, 357, 352, 1301, 1301, 1301, 747, 817, 362, 1301, 1301, 361, 1301, 1301, 360, 1301, 358, 1301, 747, 811, 803, 1301, 1301, 1301, 359, 1301, 1301, 364, 1301, 1301, 365, 1301, 1301, 1301, 1301, 363, 1301, 1301, 1301, 368, 808, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 366, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 372, 1301, 48, 1301, 367, 368, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 375, 1301, 1301, 1301, 370, 814, 1301, 1301, 372, 1301, 1301, 369, 371, 1301, 374, 1301, 1301, 746, 1301, 1301, 1301, 1301, 1301, 1301, 373, 1301, 807, 1301, 1301, 378, 379, 1301, 1301, 1301, 1301, 1301, 1301, 377, 376, 809, 1301, 1301, 746, 1301, 834, 1301, 381, 1301, 1301, 1301, 1301, 1301, 1301, 380, 747, 1301, 1301, 1301, 1301, 1301, 383, 1301, 1301, 1301, 1301, 1301, 1301, 1029, 1149, 1301, 382, 387, 384, 1301, 388, 1301, 1301, 1301, 815, 385, 386, 653, 389, 1301, 1301, 1301, 1301, 1301, 1301, 390, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 369, 48, 391, 1301, 392, 1301, 393, 497, 653, 1301, 1301, 394, 332, 1301, 1301, 1301, 1301, 1301, 813, 48, 395, 369, 1301, 1301, 1301, 497, 369, 1301, 653, 373, 1301, 818, 48, 332, 429, 1301, 48, 332, 502, 1301, 396, 1301, 497, 888, 418, 1301, 1301, 369, 1301, 1301, 397, 820, 1301, 1127, 816, 373, 1301, 399, 332, 315, 315, 316, 316, 316, 399, 420, 316, 316, 316, 316, 316, 398, 47, 1301, 400, 400, 401, 401, 401, 402, 47, 1301, 401, 401, 401, 401, 401, 402, 1301, 417, 417, 417, 417, 417, 402, 417, 417, 417, 417, 417, 417, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 422, 1301, 1301, 1301, 461, 1301, 1164, 1301, 417, 417, 417, 417, 417, 417, 1301, 1301, 1301, 424, 1301, 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322, 324, 324, 324, 325, 325, 326, 326, 326, 328, 328, 403, 767, 403, 403, 404, 404, 405, 405, 405, 407, 407, 407, 408, 408, 409, 409, 409, 410, 410, 410, 412, 412, 412, 414, 414, 415, 415, 415, 494, 681, 494, 494, 495, 495, 496, 496, 496, 498, 498, 498, 499, 499, 500, 500, 500, 501, 501, 501, 503, 503, 503, 504, 504, 504, 505, 505, 506, 506, 506, 508, 508, 509, 509, 509, 511, 511, 511, 512, 512, 585, 138, 585, 585, 586, 586, 587, 587, 589, 589, 589, 591, 591, 592, 592, 592, 593, 593, 593, 595, 595, 595, 596, 596, 596, 597, 597, 598, 598, 599, 599, 599, 600, 600, 600, 602, 602, 602, 604, 604, 605, 605, 605, 607, 607, 607, 608, 608, 609, 609, 609, 610, 610, 610, 679, 681, 679, 679, 680, 680, 682, 682, 683, 683, 684, 684, 684, 686, 686, 687, 687, 687, 689, 689, 689, 690, 690, 690, 691, 691, 692, 692, 693, 693, 693, 694, 694, 694, 696, 696, 697, 697, 697, 698, 698, 698, 699, 699, 700, 700, 700, 702, 702, 703, 703, 703, 704, 704, 704, 705, 705, 706, 706, 706, 707, 707, 707, 709, 709, 709, 710, 710, 710, 711, 711, 54, 54, 1301, 54, 54, 763, 1301, 763, 763, 764, 764, 765, 765, 766, 766, 679, 679, 679, 686, 686, 768, 768, 768, 770, 770, 770, 771, 771, 772, 772, 773, 773, 773, 774, 774, 774, 776, 776, 777, 777, 777, 778, 778, 778, 779, 779, 780, 780, 781, 781, 781, 782, 782, 782, 784, 784, 784, 786, 786, 787, 787, 787, 789, 789, 789, 790, 790, 790, 791, 791, 791, 793, 793, 793, 794, 794, 794, 795, 795, 796, 796, 796, 797, 797, 797, 798, 798, 798, 54, 54, 1301, 54, 54, 843, 1301, 843, 843, 844, 844, 845, 845, 846, 846, 847, 847, 848, 848, 848, 771, 771, 849, 849, 849, 850, 850, 850, 852, 852, 852, 853, 853, 853, 854, 854, 855, 855, 856, 856, 856, 857, 857, 857, 859, 859, 860, 860, 860, 861, 861, 861, 862, 862, 863, 863, 863, 786, 786, 864, 864, 864, 866, 866, 866, 867, 867, 784, 784, 784, 868, 868, 868, 869, 869, 869, 870, 870, 871, 871, 871, 872, 872, 872, 873, 873, 873, 875, 875, 875, 876, 876, 876, 877, 877, 877, 878, 878, 54, 54, 1301, 54, 54, 845, 845, 919, 919, 920, 920, 921, 921, 923, 923, 923, 924, 924, 924, 854, 854, 925, 925, 925, 926, 926, 926, 928, 928, 929, 929, 929, 930, 930, 930, 931, 931, 932, 932, 933, 933, 933, 934, 934, 934, 936, 936, 936, 937, 937, 937, 867, 867, 938, 938, 938, 939, 939, 939, 941, 941, 941, 942, 942, 942, 943, 943, 943, 945, 945, 945, 946, 946, 946, 947, 947, 947, 948, 948, 949, 949, 949, 950, 950, 950, 951, 951, 951, 54, 54, 1301, 54, 54, 845, 1301, 845, 845, 990, 990, 991, 991, 992, 992, 993, 993, 993, 994, 994, 994, 995, 995, 996, 996, 996, 997, 997, 997, 999, 999, 1000, 1000, 1000, 1001, 1001, 1001, 1002, 1002, 1003, 1003, 1003, 1004, 1004, 1004, 1005, 1005, 1005, 1006, 1006, 1006, 1007, 1007, 1008, 1008, 1008, 1009, 1009, 1009, 1010, 1010, 1010, 1011, 1011, 1011, 1012, 1012, 1012, 1014, 1014, 1014, 1015, 1015, 1015, 1016, 1016, 1016, 1017, 1017, 54, 54, 1301, 54, 54, 919, 1301, 919, 919, 1051, 1051, 1052, 1052, 990, 990, 990, 1054, 1054, 1054, 1055, 1055, 1055, 1056, 1056, 1056, 1057, 1057, 1058, 1058, 1058, 1059, 1059, 1059, 1061, 1061, 1061, 1062, 1062, 1062, 1063, 1063, 1063, 1065, 1065, 1065, 1066, 1066, 1066, 1067, 1067, 1067, 1068, 1068, 1068, 1069, 1069, 1070, 1070, 1070, 1071, 1071, 1071, 1072, 1072, 1072, 928, 1301, 928, 928, 1104, 1104, 1105, 1105, 1106, 1106, 1106, 1107, 1107, 1108, 1108, 1108, 1109, 1109, 1109, 1110, 1110, 1111, 1111, 1111, 1112, 1112, 1112, 1113, 1113, 1113, 1114, 1114, 1114, 1115, 1115, 1115, 1117, 1117, 1117, 1118, 1118, 1118, 1119, 1119, 1119, 1120, 1120, 920, 1301, 920, 920, 1147, 1147, 1148, 1148, 1150, 1150, 1151, 1151, 1151, 1152, 1152, 1153, 1153, 1153, 1154, 1154, 1154, 1155, 1155, 1155, 1156, 1156, 1156, 1157, 1157, 1157, 1158, 1158, 1158, 990, 1301, 990, 990, 1182, 1182, 1183, 1183, 1184, 1184, 1185, 1185, 1185, 1186, 1186, 1186, 1187, 1187, 1187, 1188, 1188, 1188, 995, 1301, 995, 995, 1207, 1207, 1208, 1208, 1209, 1209, 1209, 1210, 1210, 1210, 999, 1301, 999, 999, 1226, 1226, 1226, 1051, 139, 1051, 1051, 1055, 139, 1055, 1055, 1057, 139, 1057, 1057, 1107, 138, 1107, 1107, 1147, 681, 1147, 1147, 1108, 681, 1108, 1108, 1150, 138, 1150, 1150, 1183, 138, 1183, 1183, 1207, 138, 1207, 1207, 681, 681, 138, 139, 139, 588, 138, 138, 588, 138, 139, 139, 138, 138, 138, 139, 138, 138, 340, 333, 139, 138, 138, 246, 243, 241, 240, 239, 138, 163, 149, 147, 146, 145, 142, 139, 138, 44, 55, 53, 44, 1301, 3, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301 } ; static yyconst flex_int16_t yy_chk[5086] = { 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 842, 842, 5, 9, 9, 9, 9, 9, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 52, 52, 17, 21, 16, 14, 17, 52, 18, 21, 17, 23, 42, 60, 162, 42, 18, 23, 616, 16, 14, 14, 14, 14, 14, 14, 16, 137, 54, 619, 14, 18, 16, 137, 54, 18, 21, 18, 162, 60, 21, 882, 162, 615, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 19, 20, 21, 24, 616, 60, 22, 20, 26, 24, 23, 19, 22, 30, 26, 619, 615, 882, 19, 30, 15, 15, 15, 15, 15, 15, 19, 54, 22, 136, 136, 138, 320, 19, 1298, 19, 136, 138, 20, 320, 24, 25, 19, 26, 15, 22, 31, 25, 25, 20, 403, 22, 31, 613, 26, 27, 25, 403, 20, 26, 24, 27, 27, 22, 30, 26, 28, 140, 228, 29, 30, 229, 28, 140, 228, 29, 27, 229, 28, 32, 29, 31, 25, 31, 33, 32, 28, 25, 27, 233, 33, 65, 27, 33, 35, 233, 27, 65, 25, 33, 613, 27, 29, 31, 28, 1292, 29, 127, 884, 35, 32, 28, 27, 28, 32, 29, 66, 29, 280, 35, 29, 66, 34, 28, 32, 32, 29, 66, 34, 32, 37, 127, 34, 35, 32, 65, 32, 37, 127, 33, 64, 33, 34, 39, 280, 38, 64, 40, 65, 39, 37, 38, 38, 40, 37, 39, 77, 884, 40, 621, 494, 37, 585, 39, 62, 238, 38, 494, 280, 585, 62, 34, 45, 45, 45, 45, 45, 64, 38, 34, 67, 39, 77, 70, 40, 62, 67, 620, 39, 70, 238, 38, 47, 47, 47, 47, 47, 64, 183, 124, 39, 77, 38, 238, 40, 41, 101, 621, 614, 41, 41, 48, 48, 48, 48, 48, 41, 614, 41, 41, 70, 62, 620, 183, 41, 124, 227, 227, 68, 67, 646, 41, 101, 227, 68, 41, 41, 67, 183, 69, 70, 41, 623, 41, 41, 69, 71, 124, 41, 646, 623, 101, 71, 650, 68, 41, 49, 49, 49, 49, 49, 49, 49, 49, 50, 50, 50, 50, 50, 50, 50, 50, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 57, 68, 1288, 69, 73, 75, 57, 57, 72, 71, 73, 75, 69, 624, 72, 650, 73, 618, 626, 71, 55, 55, 55, 55, 55, 55, 76, 107, 72, 78, 79, 80, 76, 57, 81, 78, 79, 80, 82, 83, 81, 85, 73, 84, 82, 83, 86, 85, 75, 84, 87, 107, 86, 88, 465, 618, 87, 57, 624, 88, 107, 73, 75, 91, 90, 72, 626, 639, 144, 91, 90, 86, 76, 89, 78, 87, 79, 81, 465, 89, 80, 1282, 193, 76, 83, 465, 78, 79, 80, 85, 82, 81, 144, 84, 639, 82, 83, 90, 85, 91, 84, 144, 88, 86, 1280, 92, 193, 87, 89, 93, 88, 92, 89, 94, 193, 93, 96, 95, 93, 94, 91, 90, 96, 95, 97, 99, 98, 100, 102, 103, 89, 99, 98, 100, 102, 103, 111, 634, 98, 94, 106, 97, 111, 108, 93, 185, 106, 104, 92, 108, 97, 96, 102, 104, 109, 105, 111, 1279, 738, 628, 109, 105, 92, 94, 98, 97, 93, 95, 634, 185, 94, 1260, 97, 96, 95, 110, 102, 100, 185, 103, 108, 110, 99, 98, 100, 102, 103, 738, 106, 125, 104, 622, 113, 111, 628, 104, 105, 106, 113, 112, 108, 105, 114, 115, 104, 112, 109, 221, 114, 115, 118, 109, 105, 110, 119, 125, 118, 116, 110, 117, 119, 120, 110, 116, 110, 117, 286, 120, 113, 118, 622, 221, 110, 373, 125, 221, 115, 114, 121, 112, 122, 117, 123, 120, 121, 641, 122, 625, 123, 113, 647, 115, 286, 121, 633, 1252, 112, 373, 321, 114, 115, 119, 116, 188, 321, 373, 116, 118, 286, 647, 188, 119, 641, 645, 116, 283, 117, 122, 120, 129, 322, 129, 129, 129, 129, 129, 322, 324, 188, 625, 123, 627, 143, 324, 188, 121, 633, 122, 143, 123, 128, 283, 128, 188, 130, 128, 130, 130, 130, 130, 130, 131, 131, 131, 131, 131, 143, 128, 645, 128, 132, 132, 132, 132, 132, 283, 128, 1124, 128, 627, 1124, 128, 133, 133, 133, 133, 133, 133, 133, 133, 143, 128, 630, 128, 139, 139, 139, 139, 139, 143, 128, 134, 134, 134, 134, 134, 134, 134, 134, 141, 141, 141, 141, 141, 141, 141, 141, 141, 141, 141, 141, 142, 148, 150, 151, 154, 153, 142, 148, 150, 151, 154, 153, 155, 159, 636, 630, 811, 369, 155, 159, 141, 141, 141, 141, 141, 141, 148, 156, 811, 142, 157, 1249, 637, 156, 156, 158, 157, 150, 153, 722, 160, 158, 161, 369, 722, 155, 160, 151, 161, 163, 159, 638, 1248, 461, 154, 163, 636, 142, 148, 150, 151, 154, 153, 637, 632, 369, 635, 164, 165, 155, 159, 161, 160, 164, 165, 167, 157, 166, 461, 168, 158, 167, 169, 166, 156, 168, 648, 157, 169, 640, 163, 638, 158, 461, 660, 161, 170, 160, 171, 161, 170, 170, 170, 172, 171, 173, 163, 174, 632, 172, 635, 173, 165, 174, 166, 175, 176, 164, 657, 168, 640, 175, 176, 661, 164, 165, 167, 825, 679, 169, 648, 662, 167, 174, 166, 679, 168, 177, 660, 169, 172, 175, 178, 177, 171, 180, 179, 649, 178, 657, 173, 180, 179, 170, 178, 171, 825, 181, 661, 182, 172, 184, 173, 181, 174, 182, 176, 184, 186, 187, 662, 189, 175, 176, 186, 187, 182, 189, 191, 177, 192, 194, 180, 199, 191, 184, 192, 194, 651, 199, 195, 196, 649, 673, 177, 179, 195, 196, 197, 178, 664, 182, 180, 179, 197, 192, 187, 181, 713, 184, 749, 186, 749, 673, 181, 1245, 182, 198, 184, 191, 754, 194, 199, 198, 200, 186, 187, 713, 189, 192, 200, 195, 664, 195, 651, 191, 201, 192, 194, 202, 199, 196, 201, 203, 197, 202, 204, 195, 196, 203, 206, 205, 204, 207, 208, 197, 206, 205, 211, 207, 208, 201, 209, 210, 211, 754, 212, 198, 209, 210, 958, 213, 212, 669, 198, 200, 203, 213, 217, 208, 214, 200, 206, 958, 217, 672, 214, 202, 205, 204, 207, 215, 216, 201, 1195, 1195, 202, 215, 216, 211, 203, 212, 215, 204, 209, 668, 218, 206, 205, 214, 207, 208, 218, 210, 213, 211, 219, 669, 220, 209, 210, 325, 219, 212, 220, 326, 222, 325, 213, 216, 663, 326, 672, 222, 222, 217, 218, 214, 222, 223, 223, 223, 223, 223, 328, 724, 1244, 668, 215, 216, 328, 222, 231, 231, 231, 231, 231, 222, 222, 404, 1243, 663, 222, 218, 219, 404, 222, 232, 232, 232, 232, 232, 724, 219, 665, 220, 224, 224, 224, 224, 224, 224, 224, 224, 225, 225, 225, 225, 225, 225, 225, 225, 235, 235, 235, 235, 235, 235, 235, 235, 235, 235, 235, 235, 236, 665, 240, 241, 242, 243, 236, 237, 240, 241, 242, 243, 244, 237, 674, 242, 670, 756, 244, 756, 235, 235, 235, 235, 235, 235, 237, 245, 247, 248, 250, 249, 716, 245, 247, 248, 250, 249, 250, 240, 717, 236, 243, 251, 252, 674, 241, 253, 670, 251, 252, 237, 254, 253, 244, 714, 1231, 236, 254, 240, 241, 242, 243, 716, 237, 249, 255, 257, 245, 244, 258, 717, 255, 257, 259, 714, 258, 248, 880, 718, 259, 254, 253, 247, 245, 247, 248, 250, 249, 260, 262, 251, 261, 263, 252, 260, 262, 264, 261, 263, 251, 252, 731, 264, 253, 266, 265, 258, 262, 254, 257, 266, 265, 267, 268, 262, 269, 715, 653, 267, 268, 718, 269, 255, 257, 723, 273, 258, 880, 264, 263, 259, 273, 720, 270, 271, 274, 260, 265, 261, 270, 271, 274, 653, 731, 270, 260, 262, 269, 261, 263, 268, 272, 266, 264, 653, 723, 715, 272, 275, 276, 267, 266, 265, 272, 275, 276, 273, 277, 279, 267, 268, 271, 269, 277, 279, 279, 720, 281, 282, 727, 284, 285, 273, 281, 282, 274, 284, 285, 287, 289, 270, 271, 274, 288, 287, 289, 285, 290, 1208, 288, 276, 279, 719, 290, 291, 292, 293, 294, 272, 721, 291, 292, 293, 294, 289, 275, 276, 652, 281, 727, 750, 295, 285, 296, 277, 279, 284, 295, 288, 296, 297, 652, 965, 298, 281, 282, 297, 284, 285, 298, 719, 299, 302, 293, 294, 287, 289, 299, 302, 301, 288, 292, 291, 721, 290, 301, 652, 729, 750, 303, 296, 291, 292, 293, 294, 303, 304, 295, 652, 300, 305, 306, 304, 307, 298, 300, 305, 306, 295, 307, 296, 965, 1207, 308, 297, 301, 299, 297, 302, 308, 298, 310, 729, 300, 300, 558, 303, 310, 299, 302, 726, 309, 311, 304, 312, 331, 301, 309, 311, 732, 312, 331, 330, 313, 405, 304, 303, 305, 330, 307, 405, 558, 734, 304, 308, 313, 300, 305, 306, 334, 307, 726, 407, 309, 314, 334, 730, 341, 407, 313, 308, 558, 314, 341, 732, 408, 314, 341, 310, 409, 313, 408, 810, 312, 1081, 409, 810, 330, 309, 311, 314, 312, 331, 313, 734, 1204, 1081, 730, 314, 330, 315, 314, 315, 315, 315, 315, 315, 316, 334, 316, 316, 316, 316, 316, 314, 317, 334, 317, 317, 317, 317, 317, 317, 318, 341, 318, 318, 318, 318, 318, 318, 329, 329, 329, 329, 329, 329, 329, 329, 329, 329, 329, 329, 329, 333, 335, 336, 337, 338, 339, 333, 335, 336, 337, 338, 339, 336, 340, 1197, 1125, 397, 801, 1125, 340, 329, 329, 329, 329, 329, 329, 740, 342, 741, 337, 344, 343, 337, 342, 336, 347, 344, 343, 349, 346, 345, 347, 397, 350, 349, 346, 345, 335, 344, 350, 333, 751, 801, 338, 346, 339, 340, 333, 335, 336, 337, 338, 339, 345, 397, 348, 740, 903, 741, 351, 340, 348, 348, 342, 343, 351, 352, 353, 1034, 733, 354, 1190, 352, 353, 342, 347, 354, 344, 343, 1196, 1196, 350, 347, 349, 751, 349, 346, 345, 355, 356, 350, 358, 351, 903, 355, 356, 357, 358, 360, 356, 733, 359, 357, 361, 360, 1034, 357, 359, 353, 361, 361, 354, 348, 362, 363, 364, 351, 835, 735, 362, 363, 364, 356, 352, 353, 365, 366, 354, 358, 357, 356, 365, 366, 362, 367, 744, 355, 357, 368, 359, 367, 360, 1184, 370, 368, 355, 356, 368, 358, 370, 366, 366, 835, 357, 748, 360, 364, 371, 359, 363, 361, 372, 735, 371, 805, 1126, 744, 372, 365, 367, 362, 363, 364, 368, 374, 375, 736, 739, 376, 378, 374, 375, 365, 366, 376, 378, 372, 377, 370, 743, 380, 367, 381, 377, 748, 368, 380, 379, 381, 1126, 370, 382, 371, 379, 805, 378, 753, 382, 736, 739, 372, 745, 375, 758, 371, 379, 763, 379, 372, 376, 383, 743, 377, 763, 384, 380, 383, 382, 385, 374, 384, 374, 375, 758, 385, 376, 378, 386, 753, 385, 387, 381, 745, 386, 377, 388, 387, 380, 386, 381, 389, 388, 747, 390, 379, 383, 389, 391, 382, 390, 384, 394, 392, 391, 393, 396, 395, 394, 392, 410, 393, 396, 395, 412, 814, 410, 757, 383, 414, 412, 388, 384, 392, 747, 414, 385, 415, 496, 817, 398, 498, 387, 415, 496, 386, 395, 498, 387, 499, 1183, 389, 812, 388, 393, 499, 398, 394, 389, 757, 772, 390, 419, 396, 814, 391, 398, 772, 419, 394, 392, 817, 393, 396, 395, 399, 399, 399, 399, 399, 398, 489, 489, 489, 489, 489, 489, 400, 398, 400, 400, 400, 400, 400, 400, 401, 812, 401, 401, 401, 401, 401, 401, 417, 417, 417, 417, 417, 417, 417, 417, 417, 417, 417, 417, 418, 420, 421, 422, 419, 423, 418, 420, 421, 422, 424, 423, 426, 425, 1182, 1090, 424, 1090, 426, 425, 417, 417, 417, 417, 417, 417, 427, 428, 1091, 429, 1091, 1177, 427, 428, 423, 429, 418, 430, 431, 432, 433, 421, 500, 430, 431, 432, 433, 437, 500, 434, 420, 424, 427, 437, 432, 434, 803, 418, 420, 421, 422, 425, 423, 426, 580, 438, 429, 424, 804, 426, 425, 438, 436, 439, 435, 431, 440, 428, 436, 439, 435, 1026, 440, 427, 428, 815, 429, 436, 804, 1176, 580, 433, 430, 435, 430, 431, 432, 433, 1169, 434, 435, 803, 441, 442, 437, 443, 434, 435, 441, 442, 580, 443, 444, 816, 1026, 446, 439, 447, 444, 445, 440, 446, 438, 447, 815, 445, 448, 819, 449, 436, 439, 435, 448, 440, 449, 450, 826, 451, 452, 453, 454, 450, 443, 451, 452, 453, 454, 452, 444, 806, 449, 456, 446, 447, 449, 455, 816, 456, 441, 441, 442, 455, 443, 1165, 445, 826, 454, 457, 450, 444, 819, 448, 446, 457, 447, 458, 445, 1159, 459, 818, 1152, 458, 820, 448, 459, 449, 451, 460, 456, 806, 813, 890, 450, 460, 451, 452, 453, 454, 455, 462, 463, 464, 457, 466, 460, 462, 463, 464, 456, 466, 467, 459, 455, 468, 820, 469, 467, 471, 818, 468, 458, 469, 472, 471, 457, 470, 890, 464, 472, 460, 813, 470, 458, 473, 501, 459, 474, 475, 1150, 473, 501, 462, 474, 475, 460, 467, 478, 476, 821, 463, 1149, 464, 478, 476, 471, 478, 462, 463, 464, 480, 466, 469, 483, 468, 822, 480, 470, 467, 483, 483, 468, 479, 469, 472, 471, 473, 474, 479, 477, 472, 476, 481, 470, 828, 477, 475, 477, 481, 821, 482, 473, 479, 484, 474, 475, 482, 822, 482, 484, 488, 485, 477, 480, 478, 476, 486, 485, 487, 488, 504, 746, 486, 486, 487, 505, 504, 480, 829, 893, 483, 505, 506, 828, 481, 488, 508, 824, 506, 479, 807, 746, 508, 488, 960, 1148, 477, 485, 509, 481, 488, 487, 511, 512, 509, 1142, 893, 482, 511, 512, 484, 490, 490, 490, 490, 490, 490, 1141, 485, 824, 829, 807, 746, 486, 491, 487, 491, 491, 491, 491, 491, 491, 492, 960, 492, 492, 492, 492, 492, 492, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 514, 515, 516, 517, 895, 518, 514, 515, 516, 517, 517, 518, 519, 581, 581, 581, 581, 581, 519, 808, 513, 513, 513, 513, 513, 513, 520, 521, 522, 523, 524, 895, 520, 521, 522, 523, 524, 525, 526, 527, 885, 529, 900, 525, 526, 527, 514, 529, 525, 518, 808, 1178, 525, 519, 904, 528, 524, 514, 515, 516, 517, 528, 518, 526, 1178, 530, 531, 532, 521, 519, 520, 530, 531, 532, 529, 533, 527, 900, 523, 1161, 885, 533, 535, 520, 521, 522, 523, 524, 535, 899, 904, 840, 528, 532, 525, 526, 527, 534, 529, 536, 886, 537, 538, 534, 539, 536, 530, 537, 538, 540, 539, 544, 528, 1161, 541, 540, 531, 544, 899, 535, 541, 542, 530, 531, 532, 543, 1138, 542, 545, 809, 546, 543, 533, 840, 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149, 147, 146, 145, 135, 74, 63, 61, 59, 58, 56, 53, 51, 43, 36, 13, 8, 3, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301, 1301 } ; /* Table of booleans, true if rule could match eol. */ static yyconst flex_int32_t yy_rule_can_match_eol[112] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, }; static yy_state_type yy_last_accepting_state; static char *yy_last_accepting_cpos; extern int yy_flex_debug; int yy_flex_debug = 0; /* The intent behind this definition is that it'll catch * any uses of REJECT which flex missed. */ #define REJECT reject_used_but_not_detected #define yymore() yymore_used_but_not_detected #define YY_MORE_ADJ 0 #define YY_RESTORE_YY_MORE_OFFSET char *yytext; #line 1 "read_config_lex.l" #line 2 "read_config_lex.l" /* * (C) 2006 by Pablo Neira Ayuso * * 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. * * Description: configuration file syntax */ #include #include "read_config_yy.h" #define YY_NO_INPUT 1 #line 2121 "read_config_lex.c" #define INITIAL 0 #ifndef YY_NO_UNISTD_H /* Special case for "unistd.h", since it is non-ANSI. We include it way * down here because we want the user's section 1 to have been scanned first. * The user has a chance to override it with an option. */ #include #endif #ifndef YY_EXTRA_TYPE #define YY_EXTRA_TYPE void * #endif static int yy_init_globals (void ); /* Accessor methods to globals. These are made visible to non-reentrant scanners for convenience. */ int yylex_destroy (void ); int yyget_debug (void ); void yyset_debug (int debug_flag ); YY_EXTRA_TYPE yyget_extra (void ); void yyset_extra (YY_EXTRA_TYPE user_defined ); FILE *yyget_in (void ); void yyset_in (FILE * in_str ); FILE *yyget_out (void ); void yyset_out (FILE * out_str ); int yyget_leng (void ); char *yyget_text (void ); int yyget_lineno (void ); void yyset_lineno (int line_number ); /* Macros after this point can all be overridden by user definitions in * section 1. */ #ifndef YY_SKIP_YYWRAP #ifdef __cplusplus extern "C" int yywrap (void ); #else extern int yywrap (void ); #endif #endif #ifndef yytext_ptr static void yy_flex_strncpy (char *,yyconst char *,int ); #endif #ifdef YY_NEED_STRLEN static int yy_flex_strlen (yyconst char * ); #endif #ifndef YY_NO_INPUT #ifdef __cplusplus static int yyinput (void ); #else static int input (void ); #endif #endif /* Amount of stuff to slurp up with each read. */ #ifndef YY_READ_BUF_SIZE #ifdef __ia64__ /* On IA-64, the buffer size is 16k, not 8k */ #define YY_READ_BUF_SIZE 16384 #else #define YY_READ_BUF_SIZE 8192 #endif /* __ia64__ */ #endif /* Copy whatever the last rule matched to the standard output. */ #ifndef ECHO /* This used to be an fputs(), but since the string might contain NUL's, * we now use fwrite(). */ #define ECHO do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0) #endif /* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, * is returned in "result". */ #ifndef YY_INPUT #define YY_INPUT(buf,result,max_size) \ if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ { \ int c = '*'; \ size_t n; \ for ( n = 0; n < max_size && \ (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ buf[n] = (char) c; \ if ( c == '\n' ) \ buf[n++] = (char) c; \ if ( c == EOF && ferror( yyin ) ) \ YY_FATAL_ERROR( "input in flex scanner failed" ); \ result = n; \ } \ else \ { \ errno=0; \ while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \ { \ if( errno != EINTR) \ { \ YY_FATAL_ERROR( "input in flex scanner failed" ); \ break; \ } \ errno=0; \ clearerr(yyin); \ } \ }\ \ #endif /* No semi-colon after return; correct usage is to write "yyterminate();" - * we don't want an extra ';' after the "return" because that will cause * some compilers to complain about unreachable statements. */ #ifndef yyterminate #define yyterminate() return YY_NULL #endif /* Number of entries by which start-condition stack grows. */ #ifndef YY_START_STACK_INCR #define YY_START_STACK_INCR 25 #endif /* Report a fatal error. */ #ifndef YY_FATAL_ERROR #define YY_FATAL_ERROR(msg) yy_fatal_error( msg ) #endif /* end tables serialization structures and prototypes */ /* Default declaration of generated scanner - a define so the user can * easily add parameters. */ #ifndef YY_DECL #define YY_DECL_IS_OURS 1 extern int yylex (void); #define YY_DECL int yylex (void) #endif /* !YY_DECL */ /* Code executed at the beginning of each rule, after yytext and yyleng * have been set up. */ #ifndef YY_USER_ACTION #define YY_USER_ACTION #endif /* Code executed at the end of each rule. */ #ifndef YY_BREAK #define YY_BREAK break; #endif #define YY_RULE_SETUP \ YY_USER_ACTION /** The main scanner function which does all the work. */ YY_DECL { register yy_state_type yy_current_state; register char *yy_cp, *yy_bp; register int yy_act; #line 57 "read_config_lex.l" #line 2308 "read_config_lex.c" if ( !(yy_init) ) { (yy_init) = 1; #ifdef YY_USER_INIT YY_USER_INIT; #endif if ( ! (yy_start) ) (yy_start) = 1; /* first start state */ if ( ! yyin ) yyin = stdin; if ( ! yyout ) yyout = stdout; if ( ! YY_CURRENT_BUFFER ) { yyensure_buffer_stack (); YY_CURRENT_BUFFER_LVALUE = yy_create_buffer(yyin,YY_BUF_SIZE ); } yy_load_buffer_state( ); } while ( 1 ) /* loops until end-of-file is reached */ { yy_cp = (yy_c_buf_p); /* Support of yytext. */ *yy_cp = (yy_hold_char); /* yy_bp points to the position in yy_ch_buf of the start of * the current run. */ yy_bp = yy_cp; yy_current_state = (yy_start); yy_match: do { register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)]; if ( yy_accept[yy_current_state] ) { (yy_last_accepting_state) = yy_current_state; (yy_last_accepting_cpos) = yy_cp; } while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) { yy_current_state = (int) yy_def[yy_current_state]; if ( yy_current_state >= 1302 ) yy_c = yy_meta[(unsigned int) yy_c]; } yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; ++yy_cp; } while ( yy_base[yy_current_state] != 5017 ); yy_find_action: yy_act = yy_accept[yy_current_state]; if ( yy_act == 0 ) { /* have to back up */ yy_cp = (yy_last_accepting_cpos); yy_current_state = (yy_last_accepting_state); yy_act = yy_accept[yy_current_state]; } YY_DO_BEFORE_ACTION; if ( yy_act != YY_END_OF_BUFFER && yy_rule_can_match_eol[yy_act] ) { int yyl; for ( yyl = 0; yyl < yyleng; ++yyl ) if ( yytext[yyl] == '\n' ) yylineno++; ; } do_action: /* This label is used only to access EOF actions. */ switch ( yy_act ) { /* beginning of action switch */ case 0: /* must back up */ /* undo the effects of YY_DO_BEFORE_ACTION */ *yy_cp = (yy_hold_char); yy_cp = (yy_last_accepting_cpos); yy_current_state = (yy_last_accepting_state); goto yy_find_action; case 1: YY_RULE_SETUP #line 58 "read_config_lex.l" { return T_UNIX; } YY_BREAK case 2: YY_RULE_SETUP #line 59 "read_config_lex.l" { return T_IPV4_ADDR; } YY_BREAK case 3: YY_RULE_SETUP #line 60 "read_config_lex.l" { return T_IPV6_ADDR; } YY_BREAK case 4: YY_RULE_SETUP #line 61 "read_config_lex.l" { return T_IPV4_DEST_ADDR; } YY_BREAK case 5: YY_RULE_SETUP #line 62 "read_config_lex.l" { return T_IPV6_DEST_ADDR; } YY_BREAK case 6: YY_RULE_SETUP #line 63 "read_config_lex.l" { return T_IPV4_IFACE; } YY_BREAK case 7: YY_RULE_SETUP #line 64 "read_config_lex.l" { return T_IPV6_IFACE; } YY_BREAK case 8: YY_RULE_SETUP #line 65 "read_config_lex.l" { return T_IFACE; } YY_BREAK case 9: YY_RULE_SETUP #line 66 "read_config_lex.l" { return T_MULTICAST; } YY_BREAK case 10: YY_RULE_SETUP #line 67 "read_config_lex.l" { return T_UDP; } YY_BREAK case 11: YY_RULE_SETUP #line 68 "read_config_lex.l" { return T_TCP; } YY_BREAK case 12: YY_RULE_SETUP #line 69 "read_config_lex.l" { return T_HASHSIZE; } YY_BREAK case 13: YY_RULE_SETUP #line 70 "read_config_lex.l" { return T_REFRESH; } YY_BREAK case 14: YY_RULE_SETUP #line 71 "read_config_lex.l" { return T_EXPIRE; } YY_BREAK case 15: YY_RULE_SETUP #line 72 "read_config_lex.l" { return T_TIMEOUT; } YY_BREAK case 16: YY_RULE_SETUP #line 73 "read_config_lex.l" { return T_DELAY; } YY_BREAK case 17: YY_RULE_SETUP #line 74 "read_config_lex.l" { return T_HASHLIMIT; } YY_BREAK case 18: YY_RULE_SETUP #line 75 "read_config_lex.l" { return T_PATH; } YY_BREAK case 19: YY_RULE_SETUP #line 76 "read_config_lex.l" { return T_IGNORE_PROTOCOL; } YY_BREAK case 20: YY_RULE_SETUP #line 77 "read_config_lex.l" { return T_IGNORE_TRAFFIC; } YY_BREAK case 21: YY_RULE_SETUP #line 78 "read_config_lex.l" { return T_STRIP_NAT; } YY_BREAK case 22: YY_RULE_SETUP #line 79 "read_config_lex.l" { return T_BACKLOG; } YY_BREAK case 23: YY_RULE_SETUP #line 80 "read_config_lex.l" { return T_GROUP; } YY_BREAK case 24: YY_RULE_SETUP #line 81 "read_config_lex.l" { return T_PORT; } YY_BREAK case 25: YY_RULE_SETUP #line 82 "read_config_lex.l" { return T_LOG; } YY_BREAK case 26: YY_RULE_SETUP #line 83 "read_config_lex.l" { return T_SYSLOG; } YY_BREAK case 27: YY_RULE_SETUP #line 84 "read_config_lex.l" { return T_LOCK; } YY_BREAK case 28: YY_RULE_SETUP #line 85 "read_config_lex.l" { return T_GENERAL; } YY_BREAK case 29: YY_RULE_SETUP #line 86 "read_config_lex.l" { return T_SYNC; } YY_BREAK case 30: YY_RULE_SETUP #line 87 "read_config_lex.l" { return T_STATS; } YY_BREAK case 31: YY_RULE_SETUP #line 88 "read_config_lex.l" { return T_RELAX_TRANSITIONS; } YY_BREAK case 32: YY_RULE_SETUP #line 89 "read_config_lex.l" { return T_BUFFER_SIZE; /* alias */ } YY_BREAK case 33: YY_RULE_SETUP #line 90 "read_config_lex.l" { return T_BUFFER_SIZE_MAX_GROWN; /* alias */ } YY_BREAK case 34: YY_RULE_SETUP #line 91 "read_config_lex.l" { return T_BUFFER_SIZE_MAX_GROWN; /* alias */ } YY_BREAK case 35: YY_RULE_SETUP #line 92 "read_config_lex.l" { return T_BUFFER_SIZE; } YY_BREAK case 36: YY_RULE_SETUP #line 93 "read_config_lex.l" { return T_BUFFER_SIZE_MAX_GROWN; } YY_BREAK case 37: YY_RULE_SETUP #line 94 "read_config_lex.l" { return T_SYNC_MODE; } YY_BREAK case 38: YY_RULE_SETUP #line 95 "read_config_lex.l" { return T_LISTEN_TO; } YY_BREAK case 39: YY_RULE_SETUP #line 96 "read_config_lex.l" { return T_FAMILY; } YY_BREAK case 40: YY_RULE_SETUP #line 97 "read_config_lex.l" { return T_RESEND_BUFFER_SIZE; } YY_BREAK case 41: YY_RULE_SETUP #line 98 "read_config_lex.l" { return T_RESEND_QUEUE_SIZE; } YY_BREAK case 42: YY_RULE_SETUP #line 99 "read_config_lex.l" { return T_CHECKSUM; } YY_BREAK case 43: YY_RULE_SETUP #line 100 "read_config_lex.l" { return T_WINDOWSIZE; } YY_BREAK case 44: YY_RULE_SETUP #line 101 "read_config_lex.l" { return T_REPLICATE; } YY_BREAK case 45: YY_RULE_SETUP #line 102 "read_config_lex.l" { return T_FOR; } YY_BREAK case 46: YY_RULE_SETUP #line 103 "read_config_lex.l" { return T_WRITE_THROUGH; } YY_BREAK case 47: YY_RULE_SETUP #line 104 "read_config_lex.l" { return T_SYN_SENT; } YY_BREAK case 48: YY_RULE_SETUP #line 105 "read_config_lex.l" { return T_SYN_RECV; } YY_BREAK case 49: YY_RULE_SETUP #line 106 "read_config_lex.l" { return T_ESTABLISHED; } YY_BREAK case 50: YY_RULE_SETUP #line 107 "read_config_lex.l" { return T_FIN_WAIT; } YY_BREAK case 51: YY_RULE_SETUP #line 108 "read_config_lex.l" { return T_CLOSE_WAIT; } YY_BREAK case 52: YY_RULE_SETUP #line 109 "read_config_lex.l" { return T_LAST_ACK; } YY_BREAK case 53: YY_RULE_SETUP #line 110 "read_config_lex.l" { return T_TIME_WAIT; } YY_BREAK case 54: YY_RULE_SETUP #line 111 "read_config_lex.l" { return T_CLOSE; /* alias of CLOSED */ } YY_BREAK case 55: YY_RULE_SETUP #line 112 "read_config_lex.l" { return T_CLOSE; } YY_BREAK case 56: YY_RULE_SETUP #line 113 "read_config_lex.l" { return T_LISTEN; } YY_BREAK case 57: YY_RULE_SETUP #line 114 "read_config_lex.l" { return T_STAT_BUFFER_SIZE; } YY_BREAK case 58: YY_RULE_SETUP #line 115 "read_config_lex.l" { return T_DESTROY_TIMEOUT; } YY_BREAK case 59: YY_RULE_SETUP #line 116 "read_config_lex.l" { return T_SNDBUFF; /* deprecated */ } YY_BREAK case 60: YY_RULE_SETUP #line 117 "read_config_lex.l" { return T_RCVBUFF; /* deprecated */ } YY_BREAK case 61: YY_RULE_SETUP #line 118 "read_config_lex.l" { return T_SNDBUFF; } YY_BREAK case 62: YY_RULE_SETUP #line 119 "read_config_lex.l" { return T_RCVBUFF; } YY_BREAK case 63: YY_RULE_SETUP #line 120 "read_config_lex.l" { return T_FILTER; } YY_BREAK case 64: YY_RULE_SETUP #line 121 "read_config_lex.l" { return T_PROTOCOL; } YY_BREAK case 65: YY_RULE_SETUP #line 122 "read_config_lex.l" { return T_ADDRESS; } YY_BREAK case 66: YY_RULE_SETUP #line 123 "read_config_lex.l" { return T_STATE; } YY_BREAK case 67: YY_RULE_SETUP #line 124 "read_config_lex.l" { return T_ACCEPT; } YY_BREAK case 68: YY_RULE_SETUP #line 125 "read_config_lex.l" { return T_IGNORE; } YY_BREAK case 69: YY_RULE_SETUP #line 126 "read_config_lex.l" { return T_PURGE; } YY_BREAK case 70: YY_RULE_SETUP #line 127 "read_config_lex.l" { return T_FROM; } YY_BREAK case 71: YY_RULE_SETUP #line 128 "read_config_lex.l" { return T_USERSPACE; } YY_BREAK case 72: YY_RULE_SETUP #line 129 "read_config_lex.l" { return T_KERNELSPACE; } YY_BREAK case 73: YY_RULE_SETUP #line 130 "read_config_lex.l" { return T_EVENT_ITER_LIMIT; } YY_BREAK case 74: YY_RULE_SETUP #line 131 "read_config_lex.l" { return T_DEFAULT; } YY_BREAK case 75: YY_RULE_SETUP #line 132 "read_config_lex.l" { return T_POLL_SECS; } YY_BREAK case 76: YY_RULE_SETUP #line 133 "read_config_lex.l" { return T_NETLINK_OVERRUN_RESYNC; } YY_BREAK case 77: YY_RULE_SETUP #line 134 "read_config_lex.l" { return T_NICE; } YY_BREAK case 78: YY_RULE_SETUP #line 135 "read_config_lex.l" { return T_SCHEDULER; } YY_BREAK case 79: YY_RULE_SETUP #line 136 "read_config_lex.l" { return T_TYPE; } YY_BREAK case 80: YY_RULE_SETUP #line 137 "read_config_lex.l" { return T_PRIO; } YY_BREAK case 81: YY_RULE_SETUP #line 138 "read_config_lex.l" { return T_NETLINK_EVENTS_RELIABLE; } YY_BREAK case 82: YY_RULE_SETUP #line 139 "read_config_lex.l" { return T_DISABLE_INTERNAL_CACHE; } YY_BREAK case 83: YY_RULE_SETUP #line 140 "read_config_lex.l" { return T_DISABLE_EXTERNAL_CACHE; } YY_BREAK case 84: YY_RULE_SETUP #line 141 "read_config_lex.l" { return T_OPTIONS; } YY_BREAK case 85: YY_RULE_SETUP #line 142 "read_config_lex.l" { return T_TCP_WINDOW_TRACKING; } YY_BREAK case 86: YY_RULE_SETUP #line 143 "read_config_lex.l" { return T_EXPECT_SYNC; } YY_BREAK case 87: YY_RULE_SETUP #line 144 "read_config_lex.l" { return T_ERROR_QUEUE_LENGTH; } YY_BREAK case 88: YY_RULE_SETUP #line 145 "read_config_lex.l" { return T_HELPER; } YY_BREAK case 89: YY_RULE_SETUP #line 146 "read_config_lex.l" { return T_HELPER_QUEUE_NUM; } YY_BREAK case 90: YY_RULE_SETUP #line 147 "read_config_lex.l" { return T_HELPER_QUEUE_LEN; } YY_BREAK case 91: YY_RULE_SETUP #line 148 "read_config_lex.l" { return T_HELPER_POLICY; } YY_BREAK case 92: YY_RULE_SETUP #line 149 "read_config_lex.l" { return T_HELPER_EXPECT_MAX; } YY_BREAK case 93: YY_RULE_SETUP #line 150 "read_config_lex.l" { return T_HELPER_EXPECT_TIMEOUT; } YY_BREAK case 94: YY_RULE_SETUP #line 152 "read_config_lex.l" { return T_ON; } YY_BREAK case 95: YY_RULE_SETUP #line 153 "read_config_lex.l" { return T_OFF; } YY_BREAK case 96: YY_RULE_SETUP #line 154 "read_config_lex.l" { yylval.val = atoi(yytext); return T_NUMBER; } YY_BREAK case 97: YY_RULE_SETUP #line 155 "read_config_lex.l" { yylval.val = atoi(yytext); return T_SIGNED_NUMBER; } YY_BREAK case 98: YY_RULE_SETUP #line 156 "read_config_lex.l" { yylval.string = strdup(yytext); return T_IP; } YY_BREAK case 99: YY_RULE_SETUP #line 157 "read_config_lex.l" { yylval.string = strdup(yytext); return T_IP; } YY_BREAK case 100: YY_RULE_SETUP #line 158 "read_config_lex.l" { yylval.string = strdup(yytext); return T_PATH_VAL; } YY_BREAK case 101: YY_RULE_SETUP #line 159 "read_config_lex.l" { return T_ALARM; } YY_BREAK case 102: YY_RULE_SETUP #line 160 "read_config_lex.l" { fprintf(stderr, "\nWARNING: Now `persistent' mode " "is called `alarm'. Please, update " "your conntrackd.conf file.\n"); return T_ALARM; } YY_BREAK case 103: YY_RULE_SETUP #line 164 "read_config_lex.l" { return T_FTFW; } YY_BREAK case 104: YY_RULE_SETUP #line 165 "read_config_lex.l" { fprintf(stderr, "\nWARNING: Now `nack' mode " "is called `ftfw'. Please, update " "your conntrackd.conf file.\n"); return T_FTFW; } YY_BREAK case 105: YY_RULE_SETUP #line 169 "read_config_lex.l" { return T_NOTRACK; } YY_BREAK case 106: YY_RULE_SETUP #line 170 "read_config_lex.l" { yylval.string = strdup(yytext); return T_STRING; } YY_BREAK case 107: *yy_cp = (yy_hold_char); /* undo effects of setting up yytext */ (yy_c_buf_p) = yy_cp -= 1; YY_DO_BEFORE_ACTION; /* set up yytext again */ YY_RULE_SETUP #line 172 "read_config_lex.l" ; YY_BREAK case 108: YY_RULE_SETUP #line 173 "read_config_lex.l" ; YY_BREAK case 109: /* rule 109 can match eol */ YY_RULE_SETUP #line 174 "read_config_lex.l" ; YY_BREAK case YY_STATE_EOF(INITIAL): #line 176 "read_config_lex.l" { yyterminate(); } YY_BREAK case 110: YY_RULE_SETUP #line 178 "read_config_lex.l" { return yytext[0]; } YY_BREAK case 111: YY_RULE_SETUP #line 180 "read_config_lex.l" ECHO; YY_BREAK #line 2970 "read_config_lex.c" case YY_END_OF_BUFFER: { /* Amount of text matched not including the EOB char. */ int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1; /* Undo the effects of YY_DO_BEFORE_ACTION. */ *yy_cp = (yy_hold_char); YY_RESTORE_YY_MORE_OFFSET if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW ) { /* We're scanning a new file or input source. It's * possible that this happened because the user * just pointed yyin at a new source and called * yylex(). If so, then we have to assure * consistency between YY_CURRENT_BUFFER and our * globals. Here is the right place to do so, because * this is the first action (other than possibly a * back-up) that will match for the new input source. */ (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin; YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL; } /* Note that here we test for yy_c_buf_p "<=" to the position * of the first EOB in the buffer, since yy_c_buf_p will * already have been incremented past the NUL character * (since all states make transitions on EOB to the * end-of-buffer state). Contrast this with the test * in input(). */ if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) { /* This was really a NUL. */ yy_state_type yy_next_state; (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text; yy_current_state = yy_get_previous_state( ); /* Okay, we're now positioned to make the NUL * transition. We couldn't have * yy_get_previous_state() go ahead and do it * for us because it doesn't know how to deal * with the possibility of jamming (and we don't * want to build jamming into it because then it * will run more slowly). */ yy_next_state = yy_try_NUL_trans( yy_current_state ); yy_bp = (yytext_ptr) + YY_MORE_ADJ; if ( yy_next_state ) { /* Consume the NUL. */ yy_cp = ++(yy_c_buf_p); yy_current_state = yy_next_state; goto yy_match; } else { yy_cp = (yy_c_buf_p); goto yy_find_action; } } else switch ( yy_get_next_buffer( ) ) { case EOB_ACT_END_OF_FILE: { (yy_did_buffer_switch_on_eof) = 0; if ( yywrap( ) ) { /* Note: because we've taken care in * yy_get_next_buffer() to have set up * yytext, we can now set up * yy_c_buf_p so that if some total * hoser (like flex itself) wants to * call the scanner after we return the * YY_NULL, it'll still work - another * YY_NULL will get returned. */ (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ; yy_act = YY_STATE_EOF(YY_START); goto do_action; } else { if ( ! (yy_did_buffer_switch_on_eof) ) YY_NEW_FILE; } break; } case EOB_ACT_CONTINUE_SCAN: (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text; yy_current_state = yy_get_previous_state( ); yy_cp = (yy_c_buf_p); yy_bp = (yytext_ptr) + YY_MORE_ADJ; goto yy_match; case EOB_ACT_LAST_MATCH: (yy_c_buf_p) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)]; yy_current_state = yy_get_previous_state( ); yy_cp = (yy_c_buf_p); yy_bp = (yytext_ptr) + YY_MORE_ADJ; goto yy_find_action; } break; } default: YY_FATAL_ERROR( "fatal flex scanner internal error--no action found" ); } /* end of action switch */ } /* end of scanning one token */ } /* end of yylex */ /* yy_get_next_buffer - try to read in a new buffer * * Returns a code representing an action: * EOB_ACT_LAST_MATCH - * EOB_ACT_CONTINUE_SCAN - continue scanning from current position * EOB_ACT_END_OF_FILE - end of file */ static int yy_get_next_buffer (void) { register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; register char *source = (yytext_ptr); register int number_to_move, i; int ret_val; if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] ) YY_FATAL_ERROR( "fatal flex scanner internal error--end of buffer missed" ); if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) { /* Don't try to fill the buffer, so this is an EOF. */ if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 ) { /* We matched a single character, the EOB, so * treat this as a final EOF. */ return EOB_ACT_END_OF_FILE; } else { /* We matched some text prior to the EOB, first * process it. */ return EOB_ACT_LAST_MATCH; } } /* Try to read more data. */ /* First move last chars to start of buffer. */ number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1; for ( i = 0; i < number_to_move; ++i ) *(dest++) = *(source++); if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) /* don't do the read, it's not guaranteed to return an EOF, * just force an EOF */ YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0; else { int num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; while ( num_to_read <= 0 ) { /* Not enough room in the buffer - grow it. */ /* just a shorter name for the current buffer */ YY_BUFFER_STATE b = YY_CURRENT_BUFFER; int yy_c_buf_p_offset = (int) ((yy_c_buf_p) - b->yy_ch_buf); if ( b->yy_is_our_buffer ) { int new_size = b->yy_buf_size * 2; if ( new_size <= 0 ) b->yy_buf_size += b->yy_buf_size / 8; else b->yy_buf_size *= 2; b->yy_ch_buf = (char *) /* Include room in for 2 EOB chars. */ yyrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ); } else /* Can't grow it, we don't own it. */ b->yy_ch_buf = 0; if ( ! b->yy_ch_buf ) YY_FATAL_ERROR( "fatal error - scanner input buffer overflow" ); (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset]; num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; } if ( num_to_read > YY_READ_BUF_SIZE ) num_to_read = YY_READ_BUF_SIZE; /* Read in more data. */ YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), (yy_n_chars), (size_t) num_to_read ); YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); } if ( (yy_n_chars) == 0 ) { if ( number_to_move == YY_MORE_ADJ ) { ret_val = EOB_ACT_END_OF_FILE; yyrestart(yyin ); } else { ret_val = EOB_ACT_LAST_MATCH; YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_EOF_PENDING; } } else ret_val = EOB_ACT_CONTINUE_SCAN; if ((yy_size_t) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) { /* Extend the array by 50%, plus the number we really need. */ yy_size_t new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1); YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size ); if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" ); } (yy_n_chars) += number_to_move; YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR; YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR; (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0]; return ret_val; } /* yy_get_previous_state - get the state just before the EOB char was reached */ static yy_state_type yy_get_previous_state (void) { register yy_state_type yy_current_state; register char *yy_cp; yy_current_state = (yy_start); for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp ) { register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); if ( yy_accept[yy_current_state] ) { (yy_last_accepting_state) = yy_current_state; (yy_last_accepting_cpos) = yy_cp; } while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) { yy_current_state = (int) yy_def[yy_current_state]; if ( yy_current_state >= 1302 ) yy_c = yy_meta[(unsigned int) yy_c]; } yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; } return yy_current_state; } /* yy_try_NUL_trans - try to make a transition on the NUL character * * synopsis * next_state = yy_try_NUL_trans( current_state ); */ static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state ) { register int yy_is_jam; register char *yy_cp = (yy_c_buf_p); register YY_CHAR yy_c = 1; if ( yy_accept[yy_current_state] ) { (yy_last_accepting_state) = yy_current_state; (yy_last_accepting_cpos) = yy_cp; } while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) { yy_current_state = (int) yy_def[yy_current_state]; if ( yy_current_state >= 1302 ) yy_c = yy_meta[(unsigned int) yy_c]; } yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; yy_is_jam = (yy_current_state == 1301); return yy_is_jam ? 0 : yy_current_state; } #ifndef YY_NO_INPUT #ifdef __cplusplus static int yyinput (void) #else static int input (void) #endif { int c; *(yy_c_buf_p) = (yy_hold_char); if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR ) { /* yy_c_buf_p now points to the character we want to return. * If this occurs *before* the EOB characters, then it's a * valid NUL; if not, then we've hit the end of the buffer. */ if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) /* This was really a NUL. */ *(yy_c_buf_p) = '\0'; else { /* need more input */ int offset = (yy_c_buf_p) - (yytext_ptr); ++(yy_c_buf_p); switch ( yy_get_next_buffer( ) ) { case EOB_ACT_LAST_MATCH: /* This happens because yy_g_n_b() * sees that we've accumulated a * token and flags that we need to * try matching the token before * proceeding. But for input(), * there's no matching to consider. * So convert the EOB_ACT_LAST_MATCH * to EOB_ACT_END_OF_FILE. */ /* Reset buffer status. */ yyrestart(yyin ); /*FALLTHROUGH*/ case EOB_ACT_END_OF_FILE: { if ( yywrap( ) ) return EOF; if ( ! (yy_did_buffer_switch_on_eof) ) YY_NEW_FILE; #ifdef __cplusplus return yyinput(); #else return input(); #endif } case EOB_ACT_CONTINUE_SCAN: (yy_c_buf_p) = (yytext_ptr) + offset; break; } } } c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */ *(yy_c_buf_p) = '\0'; /* preserve yytext */ (yy_hold_char) = *++(yy_c_buf_p); if ( c == '\n' ) yylineno++; ; return c; } #endif /* ifndef YY_NO_INPUT */ /** Immediately switch to a different input stream. * @param input_file A readable stream. * * @note This function does not reset the start condition to @c INITIAL . */ void yyrestart (FILE * input_file ) { if ( ! YY_CURRENT_BUFFER ){ yyensure_buffer_stack (); YY_CURRENT_BUFFER_LVALUE = yy_create_buffer(yyin,YY_BUF_SIZE ); } yy_init_buffer(YY_CURRENT_BUFFER,input_file ); yy_load_buffer_state( ); } /** Switch to a different input buffer. * @param new_buffer The new input buffer. * */ void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ) { /* TODO. We should be able to replace this entire function body * with * yypop_buffer_state(); * yypush_buffer_state(new_buffer); */ yyensure_buffer_stack (); if ( YY_CURRENT_BUFFER == new_buffer ) return; if ( YY_CURRENT_BUFFER ) { /* Flush out information for old buffer. */ *(yy_c_buf_p) = (yy_hold_char); YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); } YY_CURRENT_BUFFER_LVALUE = new_buffer; yy_load_buffer_state( ); /* We don't actually know whether we did this switch during * EOF (yywrap()) processing, but the only time this flag * is looked at is after yywrap() is called, so it's safe * to go ahead and always set it. */ (yy_did_buffer_switch_on_eof) = 1; } static void yy_load_buffer_state (void) { (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file; (yy_hold_char) = *(yy_c_buf_p); } /** Allocate and initialize an input buffer state. * @param file A readable stream. * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. * * @return the allocated buffer state. */ YY_BUFFER_STATE yy_create_buffer (FILE * file, int size ) { YY_BUFFER_STATE b; b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) ); if ( ! b ) YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); b->yy_buf_size = size; /* yy_ch_buf has to be 2 characters longer than the size given because * we need to put in 2 end-of-buffer characters. */ b->yy_ch_buf = (char *) yyalloc(b->yy_buf_size + 2 ); if ( ! b->yy_ch_buf ) YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); b->yy_is_our_buffer = 1; yy_init_buffer(b,file ); return b; } /** Destroy the buffer. * @param b a buffer created with yy_create_buffer() * */ void yy_delete_buffer (YY_BUFFER_STATE b ) { if ( ! b ) return; if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */ YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; if ( b->yy_is_our_buffer ) yyfree((void *) b->yy_ch_buf ); yyfree((void *) b ); } #ifndef __cplusplus extern int isatty (int ); #endif /* __cplusplus */ /* Initializes or reinitializes a buffer. * This function is sometimes called more than once on the same buffer, * such as during a yyrestart() or at EOF. */ static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file ) { int oerrno = errno; yy_flush_buffer(b ); b->yy_input_file = file; b->yy_fill_buffer = 1; /* If b is the current buffer, then yy_init_buffer was _probably_ * called from yyrestart() or through yy_get_next_buffer. * In that case, we don't want to reset the lineno or column. */ if (b != YY_CURRENT_BUFFER){ b->yy_bs_lineno = 1; b->yy_bs_column = 0; } b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0; errno = oerrno; } /** Discard all buffered characters. On the next scan, YY_INPUT will be called. * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. * */ void yy_flush_buffer (YY_BUFFER_STATE b ) { if ( ! b ) return; b->yy_n_chars = 0; /* We always need two end-of-buffer characters. The first causes * a transition to the end-of-buffer state. The second causes * a jam in that state. */ b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; b->yy_buf_pos = &b->yy_ch_buf[0]; b->yy_at_bol = 1; b->yy_buffer_status = YY_BUFFER_NEW; if ( b == YY_CURRENT_BUFFER ) yy_load_buffer_state( ); } /** Pushes the new state onto the stack. The new state becomes * the current state. This function will allocate the stack * if necessary. * @param new_buffer The new state. * */ void yypush_buffer_state (YY_BUFFER_STATE new_buffer ) { if (new_buffer == NULL) return; yyensure_buffer_stack(); /* This block is copied from yy_switch_to_buffer. */ if ( YY_CURRENT_BUFFER ) { /* Flush out information for old buffer. */ *(yy_c_buf_p) = (yy_hold_char); YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); } /* Only push if top exists. Otherwise, replace top. */ if (YY_CURRENT_BUFFER) (yy_buffer_stack_top)++; YY_CURRENT_BUFFER_LVALUE = new_buffer; /* copied from yy_switch_to_buffer. */ yy_load_buffer_state( ); (yy_did_buffer_switch_on_eof) = 1; } /** Removes and deletes the top of the stack, if present. * The next element becomes the new top. * */ void yypop_buffer_state (void) { if (!YY_CURRENT_BUFFER) return; yy_delete_buffer(YY_CURRENT_BUFFER ); YY_CURRENT_BUFFER_LVALUE = NULL; if ((yy_buffer_stack_top) > 0) --(yy_buffer_stack_top); if (YY_CURRENT_BUFFER) { yy_load_buffer_state( ); (yy_did_buffer_switch_on_eof) = 1; } } /* Allocates the stack if it does not exist. * Guarantees space for at least one push. */ static void yyensure_buffer_stack (void) { int num_to_alloc; if (!(yy_buffer_stack)) { /* First allocation is just for 2 elements, since we don't know if this * scanner will even need a stack. We use 2 instead of 1 to avoid an * immediate realloc on the next call. */ num_to_alloc = 1; (yy_buffer_stack) = (struct yy_buffer_state**)yyalloc (num_to_alloc * sizeof(struct yy_buffer_state*) ); if ( ! (yy_buffer_stack) ) YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*)); (yy_buffer_stack_max) = num_to_alloc; (yy_buffer_stack_top) = 0; return; } if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){ /* Increase the buffer to prepare for a possible push. */ int grow_size = 8 /* arbitrary grow size */; num_to_alloc = (yy_buffer_stack_max) + grow_size; (yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc ((yy_buffer_stack), num_to_alloc * sizeof(struct yy_buffer_state*) ); if ( ! (yy_buffer_stack) ) YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); /* zero only the new slots.*/ memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*)); (yy_buffer_stack_max) = num_to_alloc; } } /** Setup the input buffer state to scan directly from a user-specified character buffer. * @param base the character buffer * @param size the size in bytes of the character buffer * * @return the newly allocated buffer state object. */ YY_BUFFER_STATE yy_scan_buffer (char * base, yy_size_t size ) { YY_BUFFER_STATE b; if ( size < 2 || base[size-2] != YY_END_OF_BUFFER_CHAR || base[size-1] != YY_END_OF_BUFFER_CHAR ) /* They forgot to leave room for the EOB's. */ return 0; b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) ); if ( ! b ) YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" ); b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */ b->yy_buf_pos = b->yy_ch_buf = base; b->yy_is_our_buffer = 0; b->yy_input_file = 0; b->yy_n_chars = b->yy_buf_size; b->yy_is_interactive = 0; b->yy_at_bol = 1; b->yy_fill_buffer = 0; b->yy_buffer_status = YY_BUFFER_NEW; yy_switch_to_buffer(b ); return b; } /** Setup the input buffer state to scan a string. The next call to yylex() will * scan from a @e copy of @a str. * @param yystr a NUL-terminated string to scan * * @return the newly allocated buffer state object. * @note If you want to scan bytes that may contain NUL values, then use * yy_scan_bytes() instead. */ YY_BUFFER_STATE yy_scan_string (yyconst char * yystr ) { return yy_scan_bytes(yystr,strlen(yystr) ); } /** Setup the input buffer state to scan the given bytes. The next call to yylex() will * scan from a @e copy of @a bytes. * @param yybytes the byte buffer to scan * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes. * * @return the newly allocated buffer state object. */ YY_BUFFER_STATE yy_scan_bytes (yyconst char * yybytes, int _yybytes_len ) { YY_BUFFER_STATE b; char *buf; yy_size_t n; int i; /* Get memory for full buffer, including space for trailing EOB's. */ n = _yybytes_len + 2; buf = (char *) yyalloc(n ); if ( ! buf ) YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" ); for ( i = 0; i < _yybytes_len; ++i ) buf[i] = yybytes[i]; buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR; b = yy_scan_buffer(buf,n ); if ( ! b ) YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" ); /* It's okay to grow etc. this buffer, and we should throw it * away when we're done. */ b->yy_is_our_buffer = 1; return b; } #ifndef YY_EXIT_FAILURE #define YY_EXIT_FAILURE 2 #endif static void yy_fatal_error (yyconst char* msg ) { (void) fprintf( stderr, "%s\n", msg ); exit( YY_EXIT_FAILURE ); } /* Redefine yyless() so it works in section 3 code. */ #undef yyless #define yyless(n) \ do \ { \ /* Undo effects of setting up yytext. */ \ int yyless_macro_arg = (n); \ YY_LESS_LINENO(yyless_macro_arg);\ yytext[yyleng] = (yy_hold_char); \ (yy_c_buf_p) = yytext + yyless_macro_arg; \ (yy_hold_char) = *(yy_c_buf_p); \ *(yy_c_buf_p) = '\0'; \ yyleng = yyless_macro_arg; \ } \ while ( 0 ) /* Accessor methods (get/set functions) to struct members. */ /** Get the current line number. * */ int yyget_lineno (void) { return yylineno; } /** Get the input stream. * */ FILE *yyget_in (void) { return yyin; } /** Get the output stream. * */ FILE *yyget_out (void) { return yyout; } /** Get the length of the current token. * */ int yyget_leng (void) { return yyleng; } /** Get the current token. * */ char *yyget_text (void) { return yytext; } /** Set the current line number. * @param line_number * */ void yyset_lineno (int line_number ) { yylineno = line_number; } /** Set the input stream. This does not discard the current * input buffer. * @param in_str A readable stream. * * @see yy_switch_to_buffer */ void yyset_in (FILE * in_str ) { yyin = in_str ; } void yyset_out (FILE * out_str ) { yyout = out_str ; } int yyget_debug (void) { return yy_flex_debug; } void yyset_debug (int bdebug ) { yy_flex_debug = bdebug ; } static int yy_init_globals (void) { /* Initialization is the same as for the non-reentrant scanner. * This function is called from yylex_destroy(), so don't allocate here. */ /* We do not touch yylineno unless the option is enabled. */ yylineno = 1; (yy_buffer_stack) = 0; (yy_buffer_stack_top) = 0; (yy_buffer_stack_max) = 0; (yy_c_buf_p) = (char *) 0; (yy_init) = 0; (yy_start) = 0; /* Defined in main.c */ #ifdef YY_STDINIT yyin = stdin; yyout = stdout; #else yyin = (FILE *) 0; yyout = (FILE *) 0; #endif /* For future reference: Set errno on error, since we are called by * yylex_init() */ return 0; } /* yylex_destroy is for both reentrant and non-reentrant scanners. */ int yylex_destroy (void) { /* Pop the buffer stack, destroying each element. */ while(YY_CURRENT_BUFFER){ yy_delete_buffer(YY_CURRENT_BUFFER ); YY_CURRENT_BUFFER_LVALUE = NULL; yypop_buffer_state(); } /* Destroy the stack itself. */ yyfree((yy_buffer_stack) ); (yy_buffer_stack) = NULL; /* Reset the globals. This is important in a non-reentrant scanner so the next time * yylex() is called, initialization will occur. */ yy_init_globals( ); return 0; } /* * Internal utility routines. */ #ifndef yytext_ptr static void yy_flex_strncpy (char* s1, yyconst char * s2, int n ) { register int i; for ( i = 0; i < n; ++i ) s1[i] = s2[i]; } #endif #ifdef YY_NEED_STRLEN static int yy_flex_strlen (yyconst char * s ) { register int n; for ( n = 0; s[n]; ++n ) ; return n; } #endif void *yyalloc (yy_size_t size ) { return (void *) malloc( size ); } void *yyrealloc (void * ptr, yy_size_t size ) { /* The cast to (char *) in the following accommodates both * implementations that use char* generic pointers, and those * that use void* generic pointers. It works with the latter * because both ANSI C and C++ allow castless assignment from * any pointer type to void*, and deal with argument conversions * as though doing an assignment. */ return (void *) realloc( (char *) ptr, size ); } void yyfree (void * ptr ) { free( (char *) ptr ); /* see yyrealloc() for (char *) cast */ } #define YYTABLES_NAME "yytables" #line 180 "read_config_lex.l" int yywrap() { return 1; } conntrack-1.4.3/src/read_config_lex.l000066400000000000000000000145141257407526400175760ustar00rootroot00000000000000%{ /* * (C) 2006 by Pablo Neira Ayuso * * 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. * * Description: configuration file syntax */ #include #include "read_config_yy.h" %} %option yylineno %option noinput %option nounput ws [ \t]+ comment #.*$ nl [\n\r] is_on [o|O][n|N] is_off [o|O][f|F][f|F] integer [0-9]+ signed_integer [\-\+][0-9]+ path \/[^\"\n ]* ip4_cidr \/[0-2]*[0-9]+ ip4_end [0-9]*[0-9]+ ip4_part [0-2]*{ip4_end} ip4 {ip4_part}\.{ip4_part}\.{ip4_part}\.{ip4_part}{ip4_cidr}? hex_255 [0-9a-fA-F]{1,4} ip6_cidr \/[0-1]*[0-9]*[0-9]+ ip6_part {hex_255}":"? ip6_form1 {ip6_part}{0,7}"::"{ip6_part}{0,7} ip6_form2 ({hex_255}":"){0,7}{hex_255} ip6 {ip6_form1}{ip6_cidr}?|{ip6_form2}{ip6_cidr}? string [a-zA-Z][a-zA-Z0-9\.\-\_]* persistent [P|p][E|e][R|r][S|s][I|i][S|s][T|t][E|e][N|n][T|T] nack [N|n][A|a][C|c][K|k] alarm [A|a][L|l][A|a][R|r][M|m] ftfw [F|f][T|t][F|f][W|w] notrack [N|n][O|o][T|t][R|r][A|a][C|c][K|k] %% "UNIX" { return T_UNIX; } "IPv4_address" { return T_IPV4_ADDR; } "IPv6_address" { return T_IPV6_ADDR; } "IPv4_Destination_Address" { return T_IPV4_DEST_ADDR; } "IPv6_Destination_Address" { return T_IPV6_DEST_ADDR; } "IPv4_interface" { return T_IPV4_IFACE; } "IPv6_interface" { return T_IPV6_IFACE; } "Interface" { return T_IFACE; } "Multicast" { return T_MULTICAST; } "UDP" { return T_UDP; } "TCP" { return T_TCP; } "HashSize" { return T_HASHSIZE; } "RefreshTime" { return T_REFRESH; } "CacheTimeout" { return T_EXPIRE; } "CommitTimeout" { return T_TIMEOUT; } "DelayDestroyMessages" { return T_DELAY; } "HashLimit" { return T_HASHLIMIT; } "Path" { return T_PATH; } "IgnoreProtocol" { return T_IGNORE_PROTOCOL; } "IgnoreTrafficFor" { return T_IGNORE_TRAFFIC; } "StripNAT" { return T_STRIP_NAT; } "Backlog" { return T_BACKLOG; } "Group" { return T_GROUP; } "Port" { return T_PORT; } "LogFile" { return T_LOG; } "Syslog" { return T_SYSLOG; } "LockFile" { return T_LOCK; } "General" { return T_GENERAL; } "Sync" { return T_SYNC; } "Stats" { return T_STATS; } "RelaxTransitions" { return T_RELAX_TRANSITIONS; } "SocketBufferSize" { return T_BUFFER_SIZE; /* alias */ } "SocketBufferSizeMaxGrown" { return T_BUFFER_SIZE_MAX_GROWN; /* alias */ } "SocketBufferSizeMaxGrowth" { return T_BUFFER_SIZE_MAX_GROWN; /* alias */ } "NetlinkBufferSize" { return T_BUFFER_SIZE; } "NetlinkBufferSizeMaxGrowth" { return T_BUFFER_SIZE_MAX_GROWN; } "Mode" { return T_SYNC_MODE; } "ListenTo" { return T_LISTEN_TO; } "Family" { return T_FAMILY; } "ResendBufferSize" { return T_RESEND_BUFFER_SIZE; } "ResendQueueSize" { return T_RESEND_QUEUE_SIZE; } "Checksum" { return T_CHECKSUM; } "ACKWindowSize" { return T_WINDOWSIZE; } "Replicate" { return T_REPLICATE; } "for" { return T_FOR; } "CacheWriteThrough" { return T_WRITE_THROUGH; } "SYN_SENT" { return T_SYN_SENT; } "SYN_RECV" { return T_SYN_RECV; } "ESTABLISHED" { return T_ESTABLISHED; } "FIN_WAIT" { return T_FIN_WAIT; } "CLOSE_WAIT" { return T_CLOSE_WAIT; } "LAST_ACK" { return T_LAST_ACK; } "TIME_WAIT" { return T_TIME_WAIT; } "CLOSE" { return T_CLOSE; /* alias of CLOSED */ } "CLOSED" { return T_CLOSE; } "LISTEN" { return T_LISTEN; } "LogFileBufferSize" { return T_STAT_BUFFER_SIZE; } "DestroyTimeout" { return T_DESTROY_TIMEOUT; } "McastSndSocketBuffer" { return T_SNDBUFF; /* deprecated */ } "McastRcvSocketBuffer" { return T_RCVBUFF; /* deprecated */ } "SndSocketBuffer" { return T_SNDBUFF; } "RcvSocketBuffer" { return T_RCVBUFF; } "Filter" { return T_FILTER; } "Protocol" { return T_PROTOCOL; } "Address" { return T_ADDRESS; } "State" { return T_STATE; } "Accept" { return T_ACCEPT; } "Ignore" { return T_IGNORE; } "PurgeTimeout" { return T_PURGE; } "From" { return T_FROM; } "Userspace" { return T_USERSPACE; } "Kernelspace" { return T_KERNELSPACE; } "EventIterationLimit" { return T_EVENT_ITER_LIMIT; } "Default" { return T_DEFAULT; } "PollSecs" { return T_POLL_SECS; } "NetlinkOverrunResync" { return T_NETLINK_OVERRUN_RESYNC; } "Nice" { return T_NICE; } "Scheduler" { return T_SCHEDULER; } "Type" { return T_TYPE; } "Priority" { return T_PRIO; } "NetlinkEventsReliable" { return T_NETLINK_EVENTS_RELIABLE; } "DisableInternalCache" { return T_DISABLE_INTERNAL_CACHE; } "DisableExternalCache" { return T_DISABLE_EXTERNAL_CACHE; } "Options" { return T_OPTIONS; } "TCPWindowTracking" { return T_TCP_WINDOW_TRACKING; } "ExpectationSync" { return T_EXPECT_SYNC; } "ErrorQueueLength" { return T_ERROR_QUEUE_LENGTH; } "Helper" { return T_HELPER; } "QueueNum" { return T_HELPER_QUEUE_NUM; } "QueueLen" { return T_HELPER_QUEUE_LEN; } "Policy" { return T_HELPER_POLICY; } "ExpectMax" { return T_HELPER_EXPECT_MAX; } "ExpectTimeout" { return T_HELPER_EXPECT_TIMEOUT; } {is_on} { return T_ON; } {is_off} { return T_OFF; } {integer} { yylval.val = atoi(yytext); return T_NUMBER; } {signed_integer} { yylval.val = atoi(yytext); return T_SIGNED_NUMBER; } {ip4} { yylval.string = strdup(yytext); return T_IP; } {ip6} { yylval.string = strdup(yytext); return T_IP; } {path} { yylval.string = strdup(yytext); return T_PATH_VAL; } {alarm} { return T_ALARM; } {persistent} { fprintf(stderr, "\nWARNING: Now `persistent' mode " "is called `alarm'. Please, update " "your conntrackd.conf file.\n"); return T_ALARM; } {ftfw} { return T_FTFW; } {nack} { fprintf(stderr, "\nWARNING: Now `nack' mode " "is called `ftfw'. Please, update " "your conntrackd.conf file.\n"); return T_FTFW; } {notrack} { return T_NOTRACK; } {string} { yylval.string = strdup(yytext); return T_STRING; } {comment} ; {ws} ; {nl} ; <> { yyterminate(); } . { return yytext[0]; } %% int yywrap() { return 1; } conntrack-1.4.3/src/read_config_yy.c000066400000000000000000004006751257407526400174450ustar00rootroot00000000000000/* A Bison parser, made by GNU Bison 2.5. */ /* Bison implementation for Yacc-like parsers in C Copyright (C) 1984, 1989-1990, 2000-2011 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 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /* As a special exception, you may create a larger work that contains part or all of the Bison parser skeleton and distribute that work under terms of your choice, so long as that work isn't itself a parser generator using the skeleton or a modified version thereof as a parser skeleton. Alternatively, if you modify or redistribute the parser skeleton itself, you may (at your option) remove this special exception, which will cause the skeleton and the resulting Bison output files to be licensed under the GNU General Public License without this special exception. This special exception was added by the Free Software Foundation in version 2.2 of Bison. */ /* C LALR(1) parser skeleton written by Richard Stallman, by simplifying the original so-called "semantic" parser. */ /* All symbols defined below should begin with yy or YY, to avoid infringing on user name space. This should be done even for local variables, as they might otherwise be expanded by user macros. There are some unavoidable exceptions within include files to define necessary library symbols; they are noted "INFRINGES ON USER NAME SPACE" below. */ /* Identify Bison output. */ #define YYBISON 1 /* Bison version. */ #define YYBISON_VERSION "2.5" /* Skeleton name. */ #define YYSKELETON_NAME "yacc.c" /* Pure parsers. */ #define YYPURE 0 /* Push parsers. */ #define YYPUSH 0 /* Pull parsers. */ #define YYPULL 1 /* Using locations. */ #define YYLSP_NEEDED 0 /* Copy the first part of user declarations. */ /* Line 268 of yacc.c */ #line 1 "read_config_yy.y" /* * (C) 2006-2009 by Pablo Neira Ayuso * * 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. * * Description: configuration file abstract grammar */ #include #include #include #include #include #include #include "conntrackd.h" #include "bitops.h" #include "cidr.h" #include "helper.h" #include "stack.h" #include #include #include #include #include extern char *yytext; extern int yylineno; struct ct_conf conf; enum { CTD_CFG_ERROR = 0, CTD_CFG_WARN, }; static void print_err(int err, const char *msg, ...); static void __kernel_filter_start(void); static void __kernel_filter_add_state(int value); static void __max_dedicated_links_reached(void); struct stack symbol_stack; enum { SYMBOL_HELPER_QUEUE_NUM, SYMBOL_HELPER_QUEUE_LEN, SYMBOL_HELPER_POLICY_EXPECT_ROOT, SYMBOL_HELPER_EXPECT_POLICY_LEAF, }; /* Line 268 of yacc.c */ #line 137 "read_config_yy.c" /* Enabling traces. */ #ifndef YYDEBUG # define YYDEBUG 0 #endif /* Enabling verbose error messages. */ #ifdef YYERROR_VERBOSE # undef YYERROR_VERBOSE # define YYERROR_VERBOSE 1 #else # define YYERROR_VERBOSE 0 #endif /* Enabling the token table. */ #ifndef YYTOKEN_TABLE # define YYTOKEN_TABLE 0 #endif /* Tokens. */ #ifndef YYTOKENTYPE # define YYTOKENTYPE /* Put the tokens into the symbol table, so that GDB and other debuggers know about them. */ enum yytokentype { T_IPV4_ADDR = 258, T_IPV4_IFACE = 259, T_PORT = 260, T_HASHSIZE = 261, T_HASHLIMIT = 262, T_MULTICAST = 263, T_PATH = 264, T_UNIX = 265, T_REFRESH = 266, T_IPV6_ADDR = 267, T_IPV6_IFACE = 268, T_IGNORE_UDP = 269, T_IGNORE_ICMP = 270, T_IGNORE_TRAFFIC = 271, T_BACKLOG = 272, T_GROUP = 273, T_LOG = 274, T_UDP = 275, T_ICMP = 276, T_IGMP = 277, T_VRRP = 278, T_TCP = 279, T_IGNORE_PROTOCOL = 280, T_LOCK = 281, T_STRIP_NAT = 282, T_BUFFER_SIZE_MAX_GROWN = 283, T_EXPIRE = 284, T_TIMEOUT = 285, T_GENERAL = 286, T_SYNC = 287, T_STATS = 288, T_RELAX_TRANSITIONS = 289, T_BUFFER_SIZE = 290, T_DELAY = 291, T_SYNC_MODE = 292, T_LISTEN_TO = 293, T_FAMILY = 294, T_RESEND_BUFFER_SIZE = 295, T_ALARM = 296, T_FTFW = 297, T_CHECKSUM = 298, T_WINDOWSIZE = 299, T_ON = 300, T_OFF = 301, T_REPLICATE = 302, T_FOR = 303, T_IFACE = 304, T_PURGE = 305, T_RESEND_QUEUE_SIZE = 306, T_ESTABLISHED = 307, T_SYN_SENT = 308, T_SYN_RECV = 309, T_FIN_WAIT = 310, T_CLOSE_WAIT = 311, T_LAST_ACK = 312, T_TIME_WAIT = 313, T_CLOSE = 314, T_LISTEN = 315, T_SYSLOG = 316, T_WRITE_THROUGH = 317, T_STAT_BUFFER_SIZE = 318, T_DESTROY_TIMEOUT = 319, T_RCVBUFF = 320, T_SNDBUFF = 321, T_NOTRACK = 322, T_POLL_SECS = 323, T_FILTER = 324, T_ADDRESS = 325, T_PROTOCOL = 326, T_STATE = 327, T_ACCEPT = 328, T_IGNORE = 329, T_FROM = 330, T_USERSPACE = 331, T_KERNELSPACE = 332, T_EVENT_ITER_LIMIT = 333, T_DEFAULT = 334, T_NETLINK_OVERRUN_RESYNC = 335, T_NICE = 336, T_IPV4_DEST_ADDR = 337, T_IPV6_DEST_ADDR = 338, T_SCHEDULER = 339, T_TYPE = 340, T_PRIO = 341, T_NETLINK_EVENTS_RELIABLE = 342, T_DISABLE_INTERNAL_CACHE = 343, T_DISABLE_EXTERNAL_CACHE = 344, T_ERROR_QUEUE_LENGTH = 345, T_OPTIONS = 346, T_TCP_WINDOW_TRACKING = 347, T_EXPECT_SYNC = 348, T_HELPER = 349, T_HELPER_QUEUE_NUM = 350, T_HELPER_QUEUE_LEN = 351, T_HELPER_POLICY = 352, T_HELPER_EXPECT_TIMEOUT = 353, T_HELPER_EXPECT_MAX = 354, T_IP = 355, T_PATH_VAL = 356, T_NUMBER = 357, T_SIGNED_NUMBER = 358, T_STRING = 359 }; #endif /* Tokens. */ #define T_IPV4_ADDR 258 #define T_IPV4_IFACE 259 #define T_PORT 260 #define T_HASHSIZE 261 #define T_HASHLIMIT 262 #define T_MULTICAST 263 #define T_PATH 264 #define T_UNIX 265 #define T_REFRESH 266 #define T_IPV6_ADDR 267 #define T_IPV6_IFACE 268 #define T_IGNORE_UDP 269 #define T_IGNORE_ICMP 270 #define T_IGNORE_TRAFFIC 271 #define T_BACKLOG 272 #define T_GROUP 273 #define T_LOG 274 #define T_UDP 275 #define T_ICMP 276 #define T_IGMP 277 #define T_VRRP 278 #define T_TCP 279 #define T_IGNORE_PROTOCOL 280 #define T_LOCK 281 #define T_STRIP_NAT 282 #define T_BUFFER_SIZE_MAX_GROWN 283 #define T_EXPIRE 284 #define T_TIMEOUT 285 #define T_GENERAL 286 #define T_SYNC 287 #define T_STATS 288 #define T_RELAX_TRANSITIONS 289 #define T_BUFFER_SIZE 290 #define T_DELAY 291 #define T_SYNC_MODE 292 #define T_LISTEN_TO 293 #define T_FAMILY 294 #define T_RESEND_BUFFER_SIZE 295 #define T_ALARM 296 #define T_FTFW 297 #define T_CHECKSUM 298 #define T_WINDOWSIZE 299 #define T_ON 300 #define T_OFF 301 #define T_REPLICATE 302 #define T_FOR 303 #define T_IFACE 304 #define T_PURGE 305 #define T_RESEND_QUEUE_SIZE 306 #define T_ESTABLISHED 307 #define T_SYN_SENT 308 #define T_SYN_RECV 309 #define T_FIN_WAIT 310 #define T_CLOSE_WAIT 311 #define T_LAST_ACK 312 #define T_TIME_WAIT 313 #define T_CLOSE 314 #define T_LISTEN 315 #define T_SYSLOG 316 #define T_WRITE_THROUGH 317 #define T_STAT_BUFFER_SIZE 318 #define T_DESTROY_TIMEOUT 319 #define T_RCVBUFF 320 #define T_SNDBUFF 321 #define T_NOTRACK 322 #define T_POLL_SECS 323 #define T_FILTER 324 #define T_ADDRESS 325 #define T_PROTOCOL 326 #define T_STATE 327 #define T_ACCEPT 328 #define T_IGNORE 329 #define T_FROM 330 #define T_USERSPACE 331 #define T_KERNELSPACE 332 #define T_EVENT_ITER_LIMIT 333 #define T_DEFAULT 334 #define T_NETLINK_OVERRUN_RESYNC 335 #define T_NICE 336 #define T_IPV4_DEST_ADDR 337 #define T_IPV6_DEST_ADDR 338 #define T_SCHEDULER 339 #define T_TYPE 340 #define T_PRIO 341 #define T_NETLINK_EVENTS_RELIABLE 342 #define T_DISABLE_INTERNAL_CACHE 343 #define T_DISABLE_EXTERNAL_CACHE 344 #define T_ERROR_QUEUE_LENGTH 345 #define T_OPTIONS 346 #define T_TCP_WINDOW_TRACKING 347 #define T_EXPECT_SYNC 348 #define T_HELPER 349 #define T_HELPER_QUEUE_NUM 350 #define T_HELPER_QUEUE_LEN 351 #define T_HELPER_POLICY 352 #define T_HELPER_EXPECT_TIMEOUT 353 #define T_HELPER_EXPECT_MAX 354 #define T_IP 355 #define T_PATH_VAL 356 #define T_NUMBER 357 #define T_SIGNED_NUMBER 358 #define T_STRING 359 #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED typedef union YYSTYPE { /* Line 293 of yacc.c */ #line 66 "read_config_yy.y" int val; char *string; /* Line 293 of yacc.c */ #line 388 "read_config_yy.c" } YYSTYPE; # define YYSTYPE_IS_TRIVIAL 1 # define yystype YYSTYPE /* obsolescent; will be withdrawn */ # define YYSTYPE_IS_DECLARED 1 #endif /* Copy the second part of user declarations. */ /* Line 343 of yacc.c */ #line 400 "read_config_yy.c" #ifdef short # undef short #endif #ifdef YYTYPE_UINT8 typedef YYTYPE_UINT8 yytype_uint8; #else typedef unsigned char yytype_uint8; #endif #ifdef YYTYPE_INT8 typedef YYTYPE_INT8 yytype_int8; #elif (defined __STDC__ || defined __C99__FUNC__ \ || defined __cplusplus || defined _MSC_VER) typedef signed char yytype_int8; #else typedef short int yytype_int8; #endif #ifdef YYTYPE_UINT16 typedef YYTYPE_UINT16 yytype_uint16; #else typedef unsigned short int yytype_uint16; #endif #ifdef YYTYPE_INT16 typedef YYTYPE_INT16 yytype_int16; #else typedef short int yytype_int16; #endif #ifndef YYSIZE_T # ifdef __SIZE_TYPE__ # define YYSIZE_T __SIZE_TYPE__ # elif defined size_t # define YYSIZE_T size_t # elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \ || defined __cplusplus || defined _MSC_VER) # include /* INFRINGES ON USER NAME SPACE */ # define YYSIZE_T size_t # else # define YYSIZE_T unsigned int # endif #endif #define YYSIZE_MAXIMUM ((YYSIZE_T) -1) #ifndef YY_ # if defined YYENABLE_NLS && YYENABLE_NLS # if ENABLE_NLS # include /* INFRINGES ON USER NAME SPACE */ # define YY_(msgid) dgettext ("bison-runtime", msgid) # endif # endif # ifndef YY_ # define YY_(msgid) msgid # endif #endif /* Suppress unused-variable warnings by "using" E. */ #if ! defined lint || defined __GNUC__ # define YYUSE(e) ((void) (e)) #else # define YYUSE(e) /* empty */ #endif /* Identity function, used to suppress warnings about constant conditions. */ #ifndef lint # define YYID(n) (n) #else #if (defined __STDC__ || defined __C99__FUNC__ \ || defined __cplusplus || defined _MSC_VER) static int YYID (int yyi) #else static int YYID (yyi) int yyi; #endif { return yyi; } #endif #if ! defined yyoverflow || YYERROR_VERBOSE /* The parser invokes alloca or malloc; define the necessary symbols. */ # ifdef YYSTACK_USE_ALLOCA # if YYSTACK_USE_ALLOCA # ifdef __GNUC__ # define YYSTACK_ALLOC __builtin_alloca # elif defined __BUILTIN_VA_ARG_INCR # include /* INFRINGES ON USER NAME SPACE */ # elif defined _AIX # define YYSTACK_ALLOC __alloca # elif defined _MSC_VER # include /* INFRINGES ON USER NAME SPACE */ # define alloca _alloca # else # define YYSTACK_ALLOC alloca # if ! defined _ALLOCA_H && ! defined EXIT_SUCCESS && (defined __STDC__ || defined __C99__FUNC__ \ || defined __cplusplus || defined _MSC_VER) # include /* INFRINGES ON USER NAME SPACE */ # ifndef EXIT_SUCCESS # define EXIT_SUCCESS 0 # endif # endif # endif # endif # endif # ifdef YYSTACK_ALLOC /* Pacify GCC's `empty if-body' warning. */ # define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0)) # ifndef YYSTACK_ALLOC_MAXIMUM /* The OS might guarantee only one guard page at the bottom of the stack, and a page size can be as small as 4096 bytes. So we cannot safely invoke alloca (N) if N exceeds 4096. Use a slightly smaller number to allow for a few compiler-allocated temporary stack slots. */ # define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */ # endif # else # define YYSTACK_ALLOC YYMALLOC # define YYSTACK_FREE YYFREE # ifndef YYSTACK_ALLOC_MAXIMUM # define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM # endif # if (defined __cplusplus && ! defined EXIT_SUCCESS \ && ! ((defined YYMALLOC || defined malloc) \ && (defined YYFREE || defined free))) # include /* INFRINGES ON USER NAME SPACE */ # ifndef EXIT_SUCCESS # define EXIT_SUCCESS 0 # endif # endif # ifndef YYMALLOC # define YYMALLOC malloc # if ! defined malloc && ! defined EXIT_SUCCESS && (defined __STDC__ || defined __C99__FUNC__ \ || defined __cplusplus || defined _MSC_VER) void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */ # endif # endif # ifndef YYFREE # define YYFREE free # if ! defined free && ! defined EXIT_SUCCESS && (defined __STDC__ || defined __C99__FUNC__ \ || defined __cplusplus || defined _MSC_VER) void free (void *); /* INFRINGES ON USER NAME SPACE */ # endif # endif # endif #endif /* ! defined yyoverflow || YYERROR_VERBOSE */ #if (! defined yyoverflow \ && (! defined __cplusplus \ || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL))) /* A type that is properly aligned for any stack member. */ union yyalloc { yytype_int16 yyss_alloc; YYSTYPE yyvs_alloc; }; /* The size of the maximum gap between one aligned stack and the next. */ # define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1) /* The size of an array large to enough to hold all stacks, each with N elements. */ # define YYSTACK_BYTES(N) \ ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \ + YYSTACK_GAP_MAXIMUM) # define YYCOPY_NEEDED 1 /* Relocate STACK from its old location to the new one. The local variables YYSIZE and YYSTACKSIZE give the old and new number of elements in the stack, and YYPTR gives the new location of the stack. Advance YYPTR to a properly aligned location for the next stack. */ # define YYSTACK_RELOCATE(Stack_alloc, Stack) \ do \ { \ YYSIZE_T yynewbytes; \ YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \ Stack = &yyptr->Stack_alloc; \ yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ yyptr += yynewbytes / sizeof (*yyptr); \ } \ while (YYID (0)) #endif #if defined YYCOPY_NEEDED && YYCOPY_NEEDED /* Copy COUNT objects from FROM to TO. The source and destination do not overlap. */ # ifndef YYCOPY # if defined __GNUC__ && 1 < __GNUC__ # define YYCOPY(To, From, Count) \ __builtin_memcpy (To, From, (Count) * sizeof (*(From))) # else # define YYCOPY(To, From, Count) \ do \ { \ YYSIZE_T yyi; \ for (yyi = 0; yyi < (Count); yyi++) \ (To)[yyi] = (From)[yyi]; \ } \ while (YYID (0)) # endif # endif #endif /* !YYCOPY_NEEDED */ /* YYFINAL -- State number of the termination state. */ #define YYFINAL 24 /* YYLAST -- Last index in YYTABLE. */ #define YYLAST 375 /* YYNTOKENS -- Number of terminals. */ #define YYNTOKENS 107 /* YYNNTS -- Number of nonterminals. */ #define YYNNTS 109 /* YYNRULES -- Number of rules. */ #define YYNRULES 265 /* YYNRULES -- Number of states. */ #define YYNSTATES 417 /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ #define YYUNDEFTOK 2 #define YYMAXUTOK 359 #define YYTRANSLATE(YYX) \ ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) /* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */ static const yytype_uint8 yytranslate[] = { 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 105, 2, 106, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104 }; #if YYDEBUG /* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in YYRHS. */ static const yytype_uint16 yyprhs[] = { 0, 0, 3, 4, 6, 8, 11, 13, 15, 17, 19, 21, 23, 25, 28, 31, 34, 37, 40, 43, 46, 48, 51, 54, 57, 60, 63, 66, 71, 72, 75, 78, 81, 86, 92, 93, 96, 99, 102, 105, 108, 111, 114, 117, 120, 123, 126, 129, 134, 140, 141, 144, 147, 150, 153, 156, 159, 162, 165, 168, 171, 174, 179, 185, 186, 189, 192, 195, 198, 201, 204, 207, 210, 213, 216, 219, 222, 225, 228, 233, 234, 237, 240, 243, 248, 249, 252, 254, 256, 261, 262, 265, 267, 269, 271, 273, 275, 277, 279, 281, 283, 285, 287, 289, 291, 293, 295, 297, 299, 301, 306, 307, 310, 313, 316, 319, 322, 327, 328, 331, 333, 339, 345, 351, 352, 355, 357, 359, 361, 363, 365, 367, 368, 371, 373, 375, 377, 379, 381, 383, 384, 387, 389, 391, 393, 395, 398, 401, 404, 407, 410, 413, 416, 419, 421, 423, 426, 431, 432, 435, 437, 439, 440, 443, 445, 447, 449, 451, 453, 455, 457, 459, 461, 464, 467, 472, 473, 476, 478, 480, 482, 484, 486, 488, 490, 492, 494, 496, 498, 500, 502, 504, 506, 508, 510, 512, 515, 518, 521, 524, 527, 530, 533, 536, 541, 542, 545, 548, 551, 554, 557, 560, 565, 572, 579, 580, 583, 589, 595, 596, 599, 601, 603, 605, 611, 617, 618, 621, 624, 627, 633, 639, 640, 643, 647, 652, 653, 656, 658, 660, 662, 664, 666, 669, 672, 675, 678, 681, 684, 687, 692, 693, 696, 698, 706, 707, 710, 712, 715, 718, 724, 725, 728, 730, 732, 735 }; /* YYRHS -- A `-1'-separated list of the rules' RHS. */ static const yytype_int16 yyrhs[] = { 108, 0, -1, -1, 109, -1, 110, -1, 109, 110, -1, 139, -1, 122, -1, 116, -1, 175, -1, 142, -1, 198, -1, 206, -1, 19, 45, -1, 19, 46, -1, 19, 101, -1, 61, 45, -1, 61, 46, -1, 61, 104, -1, 26, 101, -1, 27, -1, 11, 102, -1, 29, 102, -1, 30, 102, -1, 50, 102, -1, 43, 45, -1, 43, 46, -1, 16, 105, 123, 106, -1, -1, 123, 124, -1, 3, 100, -1, 12, 100, -1, 8, 105, 126, 106, -1, 8, 79, 105, 126, 106, -1, -1, 126, 127, -1, 3, 100, -1, 12, 100, -1, 4, 100, -1, 13, 100, -1, 49, 104, -1, 17, 102, -1, 18, 102, -1, 66, 102, -1, 65, 102, -1, 43, 45, -1, 43, 46, -1, 20, 105, 129, 106, -1, 20, 79, 105, 129, 106, -1, -1, 129, 130, -1, 3, 100, -1, 12, 100, -1, 82, 100, -1, 83, 100, -1, 49, 104, -1, 5, 102, -1, 66, 102, -1, 65, 102, -1, 43, 45, -1, 43, 46, -1, 24, 105, 132, 106, -1, 24, 79, 105, 132, 106, -1, -1, 132, 133, -1, 3, 100, -1, 12, 100, -1, 82, 100, -1, 83, 100, -1, 49, 104, -1, 5, 102, -1, 66, 102, -1, 65, 102, -1, 43, 45, -1, 43, 46, -1, 90, 102, -1, 6, 102, -1, 7, 102, -1, 10, 105, 137, 106, -1, -1, 137, 138, -1, 9, 101, -1, 17, 102, -1, 25, 105, 140, 106, -1, -1, 140, 141, -1, 102, -1, 104, -1, 32, 105, 143, 106, -1, -1, 143, 144, -1, 117, -1, 118, -1, 119, -1, 120, -1, 121, -1, 125, -1, 128, -1, 131, -1, 165, -1, 166, -1, 150, -1, 151, -1, 152, -1, 167, -1, 168, -1, 174, -1, 164, -1, 145, -1, 91, 105, 146, 106, -1, -1, 146, 147, -1, 92, 45, -1, 92, 46, -1, 93, 45, -1, 93, 46, -1, 93, 105, 148, 106, -1, -1, 148, 149, -1, 104, -1, 37, 41, 105, 153, 106, -1, 37, 42, 105, 155, 106, -1, 37, 67, 105, 157, 106, -1, -1, 153, 154, -1, 117, -1, 118, -1, 119, -1, 120, -1, 165, -1, 166, -1, -1, 155, 156, -1, 162, -1, 161, -1, 119, -1, 120, -1, 163, -1, 160, -1, -1, 157, 158, -1, 119, -1, 120, -1, 159, -1, 160, -1, 88, 45, -1, 88, 46, -1, 89, 45, -1, 89, 46, -1, 40, 102, -1, 51, 102, -1, 44, 102, -1, 64, 102, -1, 34, -1, 36, -1, 38, 100, -1, 47, 169, 48, 170, -1, -1, 169, 171, -1, 104, -1, 173, -1, -1, 172, 173, -1, 53, -1, 54, -1, 52, -1, 55, -1, 56, -1, 57, -1, 58, -1, 59, -1, 60, -1, 62, 45, -1, 62, 46, -1, 31, 105, 176, 106, -1, -1, 176, 177, -1, 134, -1, 135, -1, 111, -1, 112, -1, 114, -1, 113, -1, 115, -1, 136, -1, 178, -1, 179, -1, 186, -1, 187, -1, 188, -1, 189, -1, 180, -1, 181, -1, 182, -1, 183, -1, 35, 102, -1, 28, 102, -1, 80, 45, -1, 80, 46, -1, 80, 102, -1, 87, 45, -1, 87, 46, -1, 81, 103, -1, 84, 105, 184, 106, -1, -1, 184, 185, -1, 85, 104, -1, 86, 102, -1, 39, 104, -1, 78, 102, -1, 68, 102, -1, 69, 105, 190, 106, -1, 69, 75, 76, 105, 190, 106, -1, 69, 75, 77, 105, 190, 106, -1, -1, 190, 191, -1, 71, 73, 105, 192, 106, -1, 71, 74, 105, 192, 106, -1, -1, 192, 193, -1, 104, -1, 24, -1, 20, -1, 70, 73, 105, 194, 106, -1, 70, 74, 105, 194, 106, -1, -1, 194, 195, -1, 3, 100, -1, 12, 100, -1, 72, 73, 105, 196, 106, -1, 72, 74, 105, 196, 106, -1, -1, 196, 197, -1, 172, 48, 24, -1, 33, 105, 199, 106, -1, -1, 199, 200, -1, 201, -1, 202, -1, 203, -1, 204, -1, 205, -1, 19, 45, -1, 19, 46, -1, 19, 101, -1, 61, 45, -1, 61, 46, -1, 61, 104, -1, 63, 102, -1, 94, 105, 207, 106, -1, -1, 207, 208, -1, 209, -1, 85, 104, 104, 104, 105, 210, 106, -1, -1, 210, 211, -1, 209, -1, 95, 102, -1, 96, 102, -1, 97, 104, 105, 212, 106, -1, -1, 212, 213, -1, 214, -1, 215, -1, 99, 102, -1, 98, 102, -1 }; /* YYRLINE[YYN] -- source line where rule number YYN was defined. */ static const yytype_uint16 yyrline[] = { 0, 100, 100, 101, 104, 105, 108, 109, 110, 111, 112, 113, 114, 117, 122, 126, 131, 136, 141, 173, 178, 183, 188, 193, 198, 203, 214, 225, 235, 236, 238, 260, 286, 300, 316, 317, 319, 338, 378, 397, 402, 422, 429, 435, 441, 447, 453, 459, 473, 489, 490, 492, 503, 520, 531, 548, 563, 569, 575, 581, 587, 593, 609, 627, 628, 630, 641, 658, 669, 686, 701, 707, 713, 719, 725, 731, 737, 742, 747, 749, 750, 753, 758, 763, 773, 774, 777, 785, 798, 808, 809, 811, 812, 813, 814, 815, 816, 817, 818, 819, 820, 821, 822, 823, 824, 825, 826, 827, 828, 831, 833, 834, 837, 842, 847, 859, 867, 879, 880, 882, 887, 892, 897, 902, 903, 905, 906, 907, 908, 909, 910, 913, 914, 916, 917, 918, 919, 920, 921, 924, 925, 927, 928, 929, 930, 933, 938, 943, 948, 953, 959, 964, 969, 974, 980, 986, 991, 1001, 1002, 1004, 1011, 1013, 1014, 1016, 1024, 1032, 1040, 1048, 1056, 1064, 1072, 1080, 1089, 1095, 1101, 1103, 1104, 1107, 1108, 1109, 1110, 1111, 1112, 1113, 1114, 1115, 1116, 1117, 1118, 1119, 1120, 1121, 1122, 1123, 1124, 1127, 1132, 1137, 1142, 1147, 1152, 1157, 1162, 1167, 1169, 1170, 1173, 1185, 1194, 1199, 1204, 1214, 1219, 1224, 1229, 1230, 1232, 1241, 1254, 1255, 1257, 1276, 1295, 1314, 1323, 1345, 1346, 1348, 1407, 1467, 1476, 1490, 1491, 1493, 1495, 1505, 1506, 1509, 1510, 1511, 1512, 1513, 1516, 1521, 1525, 1530, 1535, 1540, 1572, 1577, 1582, 1583, 1586, 1589, 1691, 1692, 1695, 1698, 1709, 1720, 1742, 1743, 1746, 1747, 1750, 1765 }; #endif #if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE /* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. First, the terminals, then, starting at YYNTOKENS, nonterminals. */ static const char *const yytname[] = { "$end", "error", "$undefined", "T_IPV4_ADDR", "T_IPV4_IFACE", "T_PORT", "T_HASHSIZE", "T_HASHLIMIT", "T_MULTICAST", "T_PATH", "T_UNIX", "T_REFRESH", "T_IPV6_ADDR", "T_IPV6_IFACE", "T_IGNORE_UDP", "T_IGNORE_ICMP", "T_IGNORE_TRAFFIC", "T_BACKLOG", "T_GROUP", "T_LOG", "T_UDP", "T_ICMP", "T_IGMP", "T_VRRP", "T_TCP", "T_IGNORE_PROTOCOL", "T_LOCK", "T_STRIP_NAT", "T_BUFFER_SIZE_MAX_GROWN", "T_EXPIRE", "T_TIMEOUT", "T_GENERAL", "T_SYNC", "T_STATS", "T_RELAX_TRANSITIONS", "T_BUFFER_SIZE", "T_DELAY", "T_SYNC_MODE", "T_LISTEN_TO", "T_FAMILY", "T_RESEND_BUFFER_SIZE", "T_ALARM", "T_FTFW", "T_CHECKSUM", "T_WINDOWSIZE", "T_ON", "T_OFF", "T_REPLICATE", "T_FOR", "T_IFACE", "T_PURGE", "T_RESEND_QUEUE_SIZE", "T_ESTABLISHED", "T_SYN_SENT", "T_SYN_RECV", "T_FIN_WAIT", "T_CLOSE_WAIT", "T_LAST_ACK", "T_TIME_WAIT", "T_CLOSE", "T_LISTEN", "T_SYSLOG", "T_WRITE_THROUGH", "T_STAT_BUFFER_SIZE", "T_DESTROY_TIMEOUT", "T_RCVBUFF", "T_SNDBUFF", "T_NOTRACK", "T_POLL_SECS", "T_FILTER", "T_ADDRESS", "T_PROTOCOL", "T_STATE", "T_ACCEPT", "T_IGNORE", "T_FROM", "T_USERSPACE", "T_KERNELSPACE", "T_EVENT_ITER_LIMIT", "T_DEFAULT", "T_NETLINK_OVERRUN_RESYNC", "T_NICE", "T_IPV4_DEST_ADDR", "T_IPV6_DEST_ADDR", "T_SCHEDULER", "T_TYPE", "T_PRIO", "T_NETLINK_EVENTS_RELIABLE", "T_DISABLE_INTERNAL_CACHE", "T_DISABLE_EXTERNAL_CACHE", "T_ERROR_QUEUE_LENGTH", "T_OPTIONS", "T_TCP_WINDOW_TRACKING", "T_EXPECT_SYNC", "T_HELPER", "T_HELPER_QUEUE_NUM", "T_HELPER_QUEUE_LEN", "T_HELPER_POLICY", "T_HELPER_EXPECT_TIMEOUT", "T_HELPER_EXPECT_MAX", "T_IP", "T_PATH_VAL", "T_NUMBER", "T_SIGNED_NUMBER", "T_STRING", "'{'", "'}'", "$accept", "configfile", "lines", "line", "logfile_bool", "logfile_path", "syslog_bool", "syslog_facility", "lock", "strip_nat", "refreshtime", "expiretime", "timeout", "purge", "checksum", "ignore_traffic", "ignore_traffic_options", "ignore_traffic_option", "multicast_line", "multicast_options", "multicast_option", "udp_line", "udp_options", "udp_option", "tcp_line", "tcp_options", "tcp_option", "hashsize", "hashlimit", "unix_line", "unix_options", "unix_option", "ignore_protocol", "ignore_proto_list", "ignore_proto", "sync", "sync_list", "sync_line", "option_line", "options", "option", "expect_list", "expect_item", "sync_mode_alarm", "sync_mode_ftfw", "sync_mode_notrack", "sync_mode_alarm_list", "sync_mode_alarm_line", "sync_mode_ftfw_list", "sync_mode_ftfw_line", "sync_mode_notrack_list", "sync_mode_notrack_line", "disable_internal_cache", "disable_external_cache", "resend_buffer_size", "resend_queue_size", "window_size", "destroy_timeout", "relax_transitions", "delay_destroy_msgs", "listen_to", "state_replication", "states", "state_proto", "state", "tcp_states", "tcp_state", "cache_writethrough", "general", "general_list", "general_line", "netlink_buffer_size", "netlink_buffer_size_max_grown", "netlink_overrun_resync", "netlink_events_reliable", "nice", "scheduler", "scheduler_options", "scheduler_line", "family", "event_iterations_limit", "poll_secs", "filter", "filter_list", "filter_item", "filter_protocol_list", "filter_protocol_item", "filter_address_list", "filter_address_item", "filter_state_list", "filter_state_item", "stats", "stats_list", "stat_line", "stat_logfile_bool", "stat_logfile_path", "stat_syslog_bool", "stat_syslog_facility", "buffer_size", "helper", "helper_list", "helper_line", "helper_type", "helper_type_list", "helper_type_line", "helper_policy_list", "helper_policy_line", "helper_policy_expect_max", "helper_policy_expect_timeout", 0 }; #endif # ifdef YYPRINT /* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to token YYLEX-NUM. */ static const yytype_uint16 yytoknum[] = { 0, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299, 300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 310, 311, 312, 313, 314, 315, 316, 317, 318, 319, 320, 321, 322, 323, 324, 325, 326, 327, 328, 329, 330, 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 341, 342, 343, 344, 345, 346, 347, 348, 349, 350, 351, 352, 353, 354, 355, 356, 357, 358, 359, 123, 125 }; # endif /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ static const yytype_uint8 yyr1[] = { 0, 107, 108, 108, 109, 109, 110, 110, 110, 110, 110, 110, 110, 111, 111, 112, 113, 113, 114, 115, 116, 117, 118, 119, 120, 121, 121, 122, 123, 123, 124, 124, 125, 125, 126, 126, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 128, 128, 129, 129, 130, 130, 130, 130, 130, 130, 130, 130, 130, 130, 131, 131, 132, 132, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 134, 135, 136, 137, 137, 138, 138, 139, 140, 140, 141, 141, 142, 143, 143, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 145, 146, 146, 147, 147, 147, 147, 147, 148, 148, 149, 150, 151, 152, 153, 153, 154, 154, 154, 154, 154, 154, 155, 155, 156, 156, 156, 156, 156, 156, 157, 157, 158, 158, 158, 158, 159, 159, 160, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 169, 170, 171, 172, 172, 173, 173, 173, 173, 173, 173, 173, 173, 173, 174, 174, 175, 176, 176, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 178, 179, 180, 180, 180, 181, 181, 182, 183, 184, 184, 185, 185, 186, 187, 188, 189, 189, 189, 190, 190, 191, 191, 192, 192, 193, 193, 193, 191, 191, 194, 194, 195, 195, 191, 191, 196, 196, 197, 198, 199, 199, 200, 200, 200, 200, 200, 201, 201, 202, 203, 203, 204, 205, 206, 207, 207, 208, 209, 210, 210, 211, 209, 209, 209, 212, 212, 213, 213, 214, 215 }; /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ static const yytype_uint8 yyr2[] = { 0, 2, 0, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 4, 0, 2, 2, 2, 4, 5, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 4, 5, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 4, 5, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 4, 0, 2, 2, 2, 4, 0, 2, 1, 1, 4, 0, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 4, 0, 2, 2, 2, 2, 2, 4, 0, 2, 1, 5, 5, 5, 0, 2, 1, 1, 1, 1, 1, 1, 0, 2, 1, 1, 1, 1, 1, 1, 0, 2, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 4, 0, 2, 1, 1, 0, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 4, 0, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 4, 0, 2, 2, 2, 2, 2, 2, 4, 6, 6, 0, 2, 5, 5, 0, 2, 1, 1, 1, 5, 5, 0, 2, 2, 2, 5, 5, 0, 2, 3, 4, 0, 2, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 4, 0, 2, 1, 7, 0, 2, 1, 2, 2, 5, 0, 2, 1, 1, 2, 2 }; /* YYDEFACT[STATE-NAME] -- Default reduction number in state STATE-NUM. Performed when YYTABLE doesn't specify something else to do. Zero means the default is an error. */ static const yytype_uint16 yydefact[] = { 2, 0, 0, 20, 0, 0, 0, 0, 0, 3, 4, 8, 7, 6, 10, 9, 11, 12, 28, 84, 175, 89, 235, 250, 1, 5, 0, 0, 0, 0, 0, 0, 0, 0, 27, 29, 86, 87, 83, 85, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 174, 179, 180, 182, 181, 183, 177, 178, 184, 176, 185, 186, 191, 192, 193, 194, 187, 188, 189, 190, 0, 0, 0, 0, 0, 0, 153, 154, 0, 0, 0, 157, 0, 0, 0, 0, 88, 91, 92, 93, 94, 95, 96, 97, 98, 90, 108, 101, 102, 103, 107, 99, 100, 104, 105, 106, 0, 0, 0, 234, 236, 237, 238, 239, 240, 241, 0, 0, 0, 0, 249, 251, 252, 30, 31, 76, 77, 79, 13, 14, 15, 19, 196, 195, 208, 16, 17, 18, 210, 0, 214, 209, 197, 198, 199, 202, 204, 200, 201, 0, 34, 21, 0, 49, 0, 63, 22, 23, 0, 0, 0, 155, 25, 26, 0, 24, 172, 173, 152, 110, 242, 243, 244, 245, 246, 247, 248, 0, 257, 258, 0, 0, 0, 0, 0, 0, 34, 0, 49, 0, 63, 0, 123, 131, 139, 0, 165, 163, 164, 166, 167, 168, 169, 170, 171, 158, 160, 0, 0, 260, 0, 0, 78, 80, 214, 214, 0, 0, 0, 211, 215, 0, 0, 203, 205, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 32, 35, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 47, 50, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 61, 64, 0, 0, 0, 159, 156, 0, 0, 109, 111, 0, 0, 81, 82, 0, 0, 0, 0, 0, 0, 0, 0, 206, 207, 33, 36, 38, 37, 39, 41, 42, 45, 46, 40, 44, 43, 48, 51, 56, 52, 59, 60, 55, 58, 57, 53, 54, 62, 65, 70, 66, 73, 74, 69, 72, 71, 67, 68, 75, 120, 125, 126, 127, 128, 124, 129, 130, 0, 0, 0, 0, 121, 135, 136, 132, 138, 134, 133, 137, 0, 122, 141, 142, 140, 143, 144, 112, 113, 114, 115, 117, 254, 0, 0, 259, 261, 262, 263, 212, 213, 225, 225, 218, 218, 231, 231, 149, 151, 150, 147, 148, 145, 146, 0, 0, 265, 264, 0, 0, 0, 0, 161, 161, 119, 116, 118, 253, 256, 255, 0, 0, 223, 226, 224, 222, 221, 220, 216, 219, 217, 229, 0, 232, 230, 227, 228, 0, 162, 233 }; /* YYDEFGOTO[NTERM-NUM]. */ static const yytype_int16 yydefgoto[] = { -1, 8, 9, 10, 57, 58, 59, 60, 61, 11, 93, 94, 95, 96, 97, 12, 26, 35, 98, 193, 243, 99, 195, 255, 100, 197, 268, 62, 63, 64, 187, 219, 13, 27, 39, 14, 29, 101, 102, 213, 277, 381, 393, 103, 104, 105, 269, 332, 270, 342, 271, 351, 352, 343, 344, 345, 346, 106, 107, 108, 109, 110, 170, 273, 211, 409, 212, 111, 15, 28, 65, 66, 67, 68, 69, 70, 71, 191, 230, 72, 73, 74, 75, 190, 226, 387, 406, 385, 400, 389, 410, 16, 30, 116, 117, 118, 119, 120, 121, 17, 31, 127, 128, 382, 396, 279, 363, 364, 365 }; /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing STATE-NUM. */ #define YYPACT_NINF -92 static const yytype_int16 yypact[] = { 176, -49, -44, -92, -29, -25, -20, -12, 51, 176, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, 0, 22, 90, 152, 16, 132, 19, 40, -92, -92, -92, -92, -92, -92, 15, 45, 49, -2, 61, 48, 65, 71, 42, 95, -69, 113, -27, 110, 121, 68, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -56, 131, -48, -13, 137, 148, -92, -92, 177, 142, 111, -92, 167, 185, 169, 190, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, 97, 87, 194, -92, -92, -92, -92, -92, -92, -92, 133, 195, 196, 150, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, 108, -92, -92, -92, -92, -92, -92, -92, -92, -92, 197, -92, -92, 198, -92, 199, -92, -92, -92, 200, 201, 202, -92, -92, -92, 207, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, 204, -92, -92, 205, -4, 206, 208, 94, 135, -92, -3, -92, 29, -92, -1, -92, -92, -92, 210, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -54, 211, -92, 215, 216, -92, -92, -92, -92, 149, 174, 183, -92, -92, 213, 217, -92, -92, 4, 209, 212, 221, 222, 218, 223, 236, 219, 224, 225, -92, -92, 55, 228, 227, 230, 238, 229, 232, 233, 231, 237, -92, -92, 25, 239, 234, 241, 240, 243, 247, 248, 245, 251, 250, -92, -92, 119, 143, -5, -92, -92, 242, -19, -92, -92, 235, 46, -92, -92, 134, 140, 249, 252, 253, 254, 255, 256, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, 260, 261, 262, 244, -92, -92, -92, -92, -92, -92, -92, -92, 246, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, 263, 264, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -33, 139, -92, -92, 17, 21, 30, 35, 193, 226, -92, -92, -92, -92, -92, -92, 267, 268, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, 220, -92, -92, -92, -92, 276, -92, -92 }; /* YYPGOTO[NTERM-NUM]. */ static const yytype_int16 yypgoto[] = { -92, -92, -92, 292, -92, -92, -92, -92, -92, -92, 69, 74, -91, -18, -92, -92, -92, -92, -92, 154, -92, -92, 130, -92, -92, 146, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, 77, -92, -92, -92, -92, 75, 84, -92, -92, -92, -92, -92, -92, -53, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, 73, -92, -16, -92, 1, -92, 2, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -92, -11, -92, -92, -92, -92, -92, -92 }; /* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If positive, shift that token. If negative, reduce the rule which number is the opposite. If YYTABLE_NINF, syntax error. */ #define YYTABLE_NINF -1 static const yytype_uint16 yytable[] = { 232, 233, 257, 32, 258, 216, 145, 232, 233, 234, 235, 259, 33, 217, 236, 237, 234, 235, 148, 149, 397, 236, 237, 155, 397, 81, 356, 357, 257, 398, 258, 158, 245, 398, 246, 112, 146, 259, 274, 275, 238, 247, 260, 134, 135, 88, 239, 238, 261, 156, 402, 24, 276, 239, 403, 402, 18, 159, 245, 403, 246, 19, 240, 241, 262, 263, 160, 247, 260, 240, 241, 391, 248, 392, 261, 150, 20, 113, 249, 114, 21, 264, 265, 347, 338, 22, 358, 141, 142, 266, 262, 263, 161, 23, 250, 251, 40, 41, 248, 136, 42, 348, 218, 242, 249, 267, 34, 264, 265, 43, 292, 252, 253, 153, 154, 266, 44, 131, 45, 129, 250, 251, 115, 399, 36, 46, 37, 401, 38, 47, 77, 315, 179, 180, 404, 254, 405, 252, 253, 404, 130, 407, 176, 177, 360, 361, 143, 132, 80, 81, 138, 48, 362, 82, 133, 83, 168, 169, 49, 50, 76, 304, 137, 77, 222, 223, 224, 139, 51, 88, 52, 53, 78, 81, 54, 140, 79, 55, 330, 340, 349, 80, 81, 335, 188, 189, 82, 336, 83, 84, 85, 181, 1, 88, 337, 86, 56, 144, 178, 87, 225, 2, 88, 3, 222, 223, 224, 4, 5, 6, 222, 223, 224, 151, 89, 147, 90, 122, 164, 165, 227, 228, 284, 285, 122, 327, 152, 123, 124, 125, 172, 173, 338, 157, 123, 124, 125, 183, 126, 162, 366, 229, 167, 91, 166, 394, 367, 286, 287, 339, 163, 331, 341, 350, 186, 201, 288, 289, 92, 202, 203, 204, 205, 206, 207, 208, 209, 210, 414, 171, 7, 174, 202, 203, 204, 205, 206, 207, 208, 209, 210, 299, 300, 308, 309, 319, 320, 354, 355, 377, 378, 379, 380, 282, 283, 175, 182, 184, 185, 408, 416, 25, 192, 194, 196, 198, 199, 200, 214, 293, 215, 220, 294, 221, 272, 278, 280, 290, 281, 291, 297, 295, 296, 301, 244, 298, 302, 303, 305, 306, 307, 313, 411, 310, 311, 312, 317, 314, 328, 316, 359, 318, 256, 329, 333, 324, 231, 321, 353, 322, 323, 325, 326, 334, 368, 388, 415, 369, 370, 371, 372, 373, 374, 375, 376, 383, 384, 412, 413, 0, 386, 395, 0, 0, 0, 390 }; #define yypact_value_is_default(yystate) \ ((yystate) == (-92)) #define yytable_value_is_error(yytable_value) \ YYID (0) static const yytype_int16 yycheck[] = { 3, 4, 3, 3, 5, 9, 75, 3, 4, 12, 13, 12, 12, 17, 17, 18, 12, 13, 45, 46, 3, 17, 18, 79, 3, 30, 45, 46, 3, 12, 5, 79, 3, 12, 5, 19, 105, 12, 92, 93, 43, 12, 43, 45, 46, 50, 49, 43, 49, 105, 20, 0, 106, 49, 24, 20, 105, 105, 3, 24, 5, 105, 65, 66, 65, 66, 79, 12, 43, 65, 66, 104, 43, 106, 49, 102, 105, 61, 49, 63, 105, 82, 83, 88, 89, 105, 105, 45, 46, 90, 65, 66, 105, 105, 65, 66, 6, 7, 43, 101, 10, 106, 106, 106, 49, 106, 106, 82, 83, 19, 106, 82, 83, 45, 46, 90, 26, 102, 28, 100, 65, 66, 106, 106, 102, 35, 104, 106, 106, 39, 11, 106, 45, 46, 104, 106, 106, 82, 83, 104, 100, 106, 45, 46, 98, 99, 104, 102, 29, 30, 102, 61, 106, 34, 105, 36, 45, 46, 68, 69, 8, 106, 101, 11, 70, 71, 72, 102, 78, 50, 80, 81, 20, 30, 84, 104, 24, 87, 269, 270, 271, 29, 30, 40, 76, 77, 34, 44, 36, 37, 38, 104, 16, 50, 51, 43, 106, 102, 101, 47, 106, 25, 50, 27, 70, 71, 72, 31, 32, 33, 70, 71, 72, 103, 62, 102, 64, 85, 41, 42, 85, 86, 73, 74, 85, 106, 105, 95, 96, 97, 45, 46, 89, 102, 95, 96, 97, 104, 106, 102, 106, 106, 100, 91, 67, 106, 106, 73, 74, 106, 102, 269, 270, 271, 104, 48, 73, 74, 106, 52, 53, 54, 55, 56, 57, 58, 59, 60, 48, 102, 94, 102, 52, 53, 54, 55, 56, 57, 58, 59, 60, 45, 46, 45, 46, 45, 46, 45, 46, 45, 46, 45, 46, 220, 221, 105, 102, 102, 102, 106, 24, 9, 105, 105, 105, 105, 105, 105, 104, 100, 105, 105, 100, 105, 104, 104, 101, 104, 102, 102, 102, 100, 100, 104, 194, 102, 102, 102, 100, 102, 100, 100, 106, 104, 102, 102, 102, 100, 269, 100, 105, 100, 196, 269, 269, 100, 192, 104, 271, 102, 102, 100, 102, 269, 105, 371, 409, 105, 105, 105, 105, 105, 102, 102, 102, 102, 102, 100, 100, -1, 369, 382, -1, -1, -1, 373 }; /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing symbol of state STATE-NUM. */ static const yytype_uint8 yystos[] = { 0, 16, 25, 27, 31, 32, 33, 94, 108, 109, 110, 116, 122, 139, 142, 175, 198, 206, 105, 105, 105, 105, 105, 105, 0, 110, 123, 140, 176, 143, 199, 207, 3, 12, 106, 124, 102, 104, 106, 141, 6, 7, 10, 19, 26, 28, 35, 39, 61, 68, 69, 78, 80, 81, 84, 87, 106, 111, 112, 113, 114, 115, 134, 135, 136, 177, 178, 179, 180, 181, 182, 183, 186, 187, 188, 189, 8, 11, 20, 24, 29, 30, 34, 36, 37, 38, 43, 47, 50, 62, 64, 91, 106, 117, 118, 119, 120, 121, 125, 128, 131, 144, 145, 150, 151, 152, 164, 165, 166, 167, 168, 174, 19, 61, 63, 106, 200, 201, 202, 203, 204, 205, 85, 95, 96, 97, 106, 208, 209, 100, 100, 102, 102, 105, 45, 46, 101, 101, 102, 102, 104, 45, 46, 104, 102, 75, 105, 102, 45, 46, 102, 103, 105, 45, 46, 79, 105, 102, 79, 105, 79, 105, 102, 102, 41, 42, 67, 100, 45, 46, 169, 102, 45, 46, 102, 105, 45, 46, 101, 45, 46, 104, 102, 104, 102, 102, 104, 137, 76, 77, 190, 184, 105, 126, 105, 129, 105, 132, 105, 105, 105, 48, 52, 53, 54, 55, 56, 57, 58, 59, 60, 171, 173, 146, 104, 105, 9, 17, 106, 138, 105, 105, 70, 71, 72, 106, 191, 85, 86, 106, 185, 126, 3, 4, 12, 13, 17, 18, 43, 49, 65, 66, 106, 127, 129, 3, 5, 12, 43, 49, 65, 66, 82, 83, 106, 130, 132, 3, 5, 12, 43, 49, 65, 66, 82, 83, 90, 106, 133, 153, 155, 157, 104, 170, 92, 93, 106, 147, 104, 212, 101, 102, 190, 190, 73, 74, 73, 74, 73, 74, 104, 102, 106, 100, 100, 100, 100, 102, 102, 45, 46, 104, 102, 102, 106, 100, 102, 100, 45, 46, 104, 102, 102, 100, 100, 106, 100, 102, 100, 45, 46, 104, 102, 102, 100, 100, 102, 106, 117, 118, 119, 120, 154, 165, 166, 40, 44, 51, 89, 106, 119, 120, 156, 160, 161, 162, 163, 88, 106, 119, 120, 158, 159, 160, 45, 46, 45, 46, 105, 105, 98, 99, 106, 213, 214, 215, 106, 106, 105, 105, 105, 105, 105, 105, 102, 102, 102, 45, 46, 45, 46, 148, 210, 102, 102, 194, 194, 192, 192, 196, 196, 104, 106, 149, 106, 209, 211, 3, 12, 106, 195, 106, 20, 24, 104, 106, 193, 106, 106, 172, 197, 106, 100, 100, 48, 173, 24 }; #define yyerrok (yyerrstatus = 0) #define yyclearin (yychar = YYEMPTY) #define YYEMPTY (-2) #define YYEOF 0 #define YYACCEPT goto yyacceptlab #define YYABORT goto yyabortlab #define YYERROR goto yyerrorlab /* Like YYERROR except do call yyerror. This remains here temporarily to ease the transition to the new meaning of YYERROR, for GCC. Once GCC version 2 has supplanted version 1, this can go. However, YYFAIL appears to be in use. Nevertheless, it is formally deprecated in Bison 2.4.2's NEWS entry, where a plan to phase it out is discussed. */ #define YYFAIL goto yyerrlab #if defined YYFAIL /* This is here to suppress warnings from the GCC cpp's -Wunused-macros. Normally we don't worry about that warning, but some users do, and we want to make it easy for users to remove YYFAIL uses, which will produce warnings from Bison 2.5. */ #endif #define YYRECOVERING() (!!yyerrstatus) #define YYBACKUP(Token, Value) \ do \ if (yychar == YYEMPTY && yylen == 1) \ { \ yychar = (Token); \ yylval = (Value); \ YYPOPSTACK (1); \ goto yybackup; \ } \ else \ { \ yyerror (YY_("syntax error: cannot back up")); \ YYERROR; \ } \ while (YYID (0)) #define YYTERROR 1 #define YYERRCODE 256 /* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N]. If N is 0, then set CURRENT to the empty location which ends the previous symbol: RHS[0] (always defined). */ #define YYRHSLOC(Rhs, K) ((Rhs)[K]) #ifndef YYLLOC_DEFAULT # define YYLLOC_DEFAULT(Current, Rhs, N) \ do \ if (YYID (N)) \ { \ (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \ (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \ (Current).last_line = YYRHSLOC (Rhs, N).last_line; \ (Current).last_column = YYRHSLOC (Rhs, N).last_column; \ } \ else \ { \ (Current).first_line = (Current).last_line = \ YYRHSLOC (Rhs, 0).last_line; \ (Current).first_column = (Current).last_column = \ YYRHSLOC (Rhs, 0).last_column; \ } \ while (YYID (0)) #endif /* This macro is provided for backward compatibility. */ #ifndef YY_LOCATION_PRINT # define YY_LOCATION_PRINT(File, Loc) ((void) 0) #endif /* YYLEX -- calling `yylex' with the right arguments. */ #ifdef YYLEX_PARAM # define YYLEX yylex (YYLEX_PARAM) #else # define YYLEX yylex () #endif /* Enable debugging if requested. */ #if YYDEBUG # ifndef YYFPRINTF # include /* INFRINGES ON USER NAME SPACE */ # define YYFPRINTF fprintf # endif # define YYDPRINTF(Args) \ do { \ if (yydebug) \ YYFPRINTF Args; \ } while (YYID (0)) # define YY_SYMBOL_PRINT(Title, Type, Value, Location) \ do { \ if (yydebug) \ { \ YYFPRINTF (stderr, "%s ", Title); \ yy_symbol_print (stderr, \ Type, Value); \ YYFPRINTF (stderr, "\n"); \ } \ } while (YYID (0)) /*--------------------------------. | Print this symbol on YYOUTPUT. | `--------------------------------*/ /*ARGSUSED*/ #if (defined __STDC__ || defined __C99__FUNC__ \ || defined __cplusplus || defined _MSC_VER) static void yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep) #else static void yy_symbol_value_print (yyoutput, yytype, yyvaluep) FILE *yyoutput; int yytype; YYSTYPE const * const yyvaluep; #endif { if (!yyvaluep) return; # ifdef YYPRINT if (yytype < YYNTOKENS) YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); # else YYUSE (yyoutput); # endif switch (yytype) { default: break; } } /*--------------------------------. | Print this symbol on YYOUTPUT. | `--------------------------------*/ #if (defined __STDC__ || defined __C99__FUNC__ \ || defined __cplusplus || defined _MSC_VER) static void yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep) #else static void yy_symbol_print (yyoutput, yytype, yyvaluep) FILE *yyoutput; int yytype; YYSTYPE const * const yyvaluep; #endif { if (yytype < YYNTOKENS) YYFPRINTF (yyoutput, "token %s (", yytname[yytype]); else YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]); yy_symbol_value_print (yyoutput, yytype, yyvaluep); YYFPRINTF (yyoutput, ")"); } /*------------------------------------------------------------------. | yy_stack_print -- Print the state stack from its BOTTOM up to its | | TOP (included). | `------------------------------------------------------------------*/ #if (defined __STDC__ || defined __C99__FUNC__ \ || defined __cplusplus || defined _MSC_VER) static void yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop) #else static void yy_stack_print (yybottom, yytop) yytype_int16 *yybottom; yytype_int16 *yytop; #endif { YYFPRINTF (stderr, "Stack now"); for (; yybottom <= yytop; yybottom++) { int yybot = *yybottom; YYFPRINTF (stderr, " %d", yybot); } YYFPRINTF (stderr, "\n"); } # define YY_STACK_PRINT(Bottom, Top) \ do { \ if (yydebug) \ yy_stack_print ((Bottom), (Top)); \ } while (YYID (0)) /*------------------------------------------------. | Report that the YYRULE is going to be reduced. | `------------------------------------------------*/ #if (defined __STDC__ || defined __C99__FUNC__ \ || defined __cplusplus || defined _MSC_VER) static void yy_reduce_print (YYSTYPE *yyvsp, int yyrule) #else static void yy_reduce_print (yyvsp, yyrule) YYSTYPE *yyvsp; int yyrule; #endif { int yynrhs = yyr2[yyrule]; int yyi; unsigned long int yylno = yyrline[yyrule]; YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n", yyrule - 1, yylno); /* The symbols being reduced. */ for (yyi = 0; yyi < yynrhs; yyi++) { YYFPRINTF (stderr, " $%d = ", yyi + 1); yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi], &(yyvsp[(yyi + 1) - (yynrhs)]) ); YYFPRINTF (stderr, "\n"); } } # define YY_REDUCE_PRINT(Rule) \ do { \ if (yydebug) \ yy_reduce_print (yyvsp, Rule); \ } while (YYID (0)) /* Nonzero means print parse trace. It is left uninitialized so that multiple parsers can coexist. */ int yydebug; #else /* !YYDEBUG */ # define YYDPRINTF(Args) # define YY_SYMBOL_PRINT(Title, Type, Value, Location) # define YY_STACK_PRINT(Bottom, Top) # define YY_REDUCE_PRINT(Rule) #endif /* !YYDEBUG */ /* YYINITDEPTH -- initial size of the parser's stacks. */ #ifndef YYINITDEPTH # define YYINITDEPTH 200 #endif /* YYMAXDEPTH -- maximum size the stacks can grow to (effective only if the built-in stack extension method is used). Do not make this value too large; the results are undefined if YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH) evaluated with infinite-precision integer arithmetic. */ #ifndef YYMAXDEPTH # define YYMAXDEPTH 10000 #endif #if YYERROR_VERBOSE # ifndef yystrlen # if defined __GLIBC__ && defined _STRING_H # define yystrlen strlen # else /* Return the length of YYSTR. */ #if (defined __STDC__ || defined __C99__FUNC__ \ || defined __cplusplus || defined _MSC_VER) static YYSIZE_T yystrlen (const char *yystr) #else static YYSIZE_T yystrlen (yystr) const char *yystr; #endif { YYSIZE_T yylen; for (yylen = 0; yystr[yylen]; yylen++) continue; return yylen; } # endif # endif # ifndef yystpcpy # if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE # define yystpcpy stpcpy # else /* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in YYDEST. */ #if (defined __STDC__ || defined __C99__FUNC__ \ || defined __cplusplus || defined _MSC_VER) static char * yystpcpy (char *yydest, const char *yysrc) #else static char * yystpcpy (yydest, yysrc) char *yydest; const char *yysrc; #endif { char *yyd = yydest; const char *yys = yysrc; while ((*yyd++ = *yys++) != '\0') continue; return yyd - 1; } # endif # endif # ifndef yytnamerr /* Copy to YYRES the contents of YYSTR after stripping away unnecessary quotes and backslashes, so that it's suitable for yyerror. The heuristic is that double-quoting is unnecessary unless the string contains an apostrophe, a comma, or backslash (other than backslash-backslash). YYSTR is taken from yytname. If YYRES is null, do not copy; instead, return the length of what the result would have been. */ static YYSIZE_T yytnamerr (char *yyres, const char *yystr) { if (*yystr == '"') { YYSIZE_T yyn = 0; char const *yyp = yystr; for (;;) switch (*++yyp) { case '\'': case ',': goto do_not_strip_quotes; case '\\': if (*++yyp != '\\') goto do_not_strip_quotes; /* Fall through. */ default: if (yyres) yyres[yyn] = *yyp; yyn++; break; case '"': if (yyres) yyres[yyn] = '\0'; return yyn; } do_not_strip_quotes: ; } if (! yyres) return yystrlen (yystr); return yystpcpy (yyres, yystr) - yyres; } # endif /* Copy into *YYMSG, which is of size *YYMSG_ALLOC, an error message about the unexpected token YYTOKEN for the state stack whose top is YYSSP. Return 0 if *YYMSG was successfully written. Return 1 if *YYMSG is not large enough to hold the message. In that case, also set *YYMSG_ALLOC to the required number of bytes. Return 2 if the required number of bytes is too large to store. */ static int yysyntax_error (YYSIZE_T *yymsg_alloc, char **yymsg, yytype_int16 *yyssp, int yytoken) { YYSIZE_T yysize0 = yytnamerr (0, yytname[yytoken]); YYSIZE_T yysize = yysize0; YYSIZE_T yysize1; enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 }; /* Internationalized format string. */ const char *yyformat = 0; /* Arguments of yyformat. */ char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM]; /* Number of reported tokens (one for the "unexpected", one per "expected"). */ int yycount = 0; /* There are many possibilities here to consider: - Assume YYFAIL is not used. It's too flawed to consider. See for details. YYERROR is fine as it does not invoke this function. - If this state is a consistent state with a default action, then the only way this function was invoked is if the default action is an error action. In that case, don't check for expected tokens because there are none. - The only way there can be no lookahead present (in yychar) is if this state is a consistent state with a default action. Thus, detecting the absence of a lookahead is sufficient to determine that there is no unexpected or expected token to report. In that case, just report a simple "syntax error". - Don't assume there isn't a lookahead just because this state is a consistent state with a default action. There might have been a previous inconsistent state, consistent state with a non-default action, or user semantic action that manipulated yychar. - Of course, the expected token list depends on states to have correct lookahead information, and it depends on the parser not to perform extra reductions after fetching a lookahead from the scanner and before detecting a syntax error. Thus, state merging (from LALR or IELR) and default reductions corrupt the expected token list. However, the list is correct for canonical LR with one exception: it will still contain any token that will not be accepted due to an error action in a later state. */ if (yytoken != YYEMPTY) { int yyn = yypact[*yyssp]; yyarg[yycount++] = yytname[yytoken]; if (!yypact_value_is_default (yyn)) { /* Start YYX at -YYN if negative to avoid negative indexes in YYCHECK. In other words, skip the first -YYN actions for this state because they are default actions. */ int yyxbegin = yyn < 0 ? -yyn : 0; /* Stay within bounds of both yycheck and yytname. */ int yychecklim = YYLAST - yyn + 1; int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS; int yyx; for (yyx = yyxbegin; yyx < yyxend; ++yyx) if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR && !yytable_value_is_error (yytable[yyx + yyn])) { if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM) { yycount = 1; yysize = yysize0; break; } yyarg[yycount++] = yytname[yyx]; yysize1 = yysize + yytnamerr (0, yytname[yyx]); if (! (yysize <= yysize1 && yysize1 <= YYSTACK_ALLOC_MAXIMUM)) return 2; yysize = yysize1; } } } switch (yycount) { # define YYCASE_(N, S) \ case N: \ yyformat = S; \ break YYCASE_(0, YY_("syntax error")); YYCASE_(1, YY_("syntax error, unexpected %s")); YYCASE_(2, YY_("syntax error, unexpected %s, expecting %s")); YYCASE_(3, YY_("syntax error, unexpected %s, expecting %s or %s")); YYCASE_(4, YY_("syntax error, unexpected %s, expecting %s or %s or %s")); YYCASE_(5, YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s")); # undef YYCASE_ } yysize1 = yysize + yystrlen (yyformat); if (! (yysize <= yysize1 && yysize1 <= YYSTACK_ALLOC_MAXIMUM)) return 2; yysize = yysize1; if (*yymsg_alloc < yysize) { *yymsg_alloc = 2 * yysize; if (! (yysize <= *yymsg_alloc && *yymsg_alloc <= YYSTACK_ALLOC_MAXIMUM)) *yymsg_alloc = YYSTACK_ALLOC_MAXIMUM; return 1; } /* Avoid sprintf, as that infringes on the user's name space. Don't have undefined behavior even if the translation produced a string with the wrong number of "%s"s. */ { char *yyp = *yymsg; int yyi = 0; while ((*yyp = *yyformat) != '\0') if (*yyp == '%' && yyformat[1] == 's' && yyi < yycount) { yyp += yytnamerr (yyp, yyarg[yyi++]); yyformat += 2; } else { yyp++; yyformat++; } } return 0; } #endif /* YYERROR_VERBOSE */ /*-----------------------------------------------. | Release the memory associated to this symbol. | `-----------------------------------------------*/ /*ARGSUSED*/ #if (defined __STDC__ || defined __C99__FUNC__ \ || defined __cplusplus || defined _MSC_VER) static void yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep) #else static void yydestruct (yymsg, yytype, yyvaluep) const char *yymsg; int yytype; YYSTYPE *yyvaluep; #endif { YYUSE (yyvaluep); if (!yymsg) yymsg = "Deleting"; YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp); switch (yytype) { default: break; } } /* Prevent warnings from -Wmissing-prototypes. */ #ifdef YYPARSE_PARAM #if defined __STDC__ || defined __cplusplus int yyparse (void *YYPARSE_PARAM); #else int yyparse (); #endif #else /* ! YYPARSE_PARAM */ #if defined __STDC__ || defined __cplusplus int yyparse (void); #else int yyparse (); #endif #endif /* ! YYPARSE_PARAM */ /* The lookahead symbol. */ int yychar; /* The semantic value of the lookahead symbol. */ YYSTYPE yylval; /* Number of syntax errors so far. */ int yynerrs; /*----------. | yyparse. | `----------*/ #ifdef YYPARSE_PARAM #if (defined __STDC__ || defined __C99__FUNC__ \ || defined __cplusplus || defined _MSC_VER) int yyparse (void *YYPARSE_PARAM) #else int yyparse (YYPARSE_PARAM) void *YYPARSE_PARAM; #endif #else /* ! YYPARSE_PARAM */ #if (defined __STDC__ || defined __C99__FUNC__ \ || defined __cplusplus || defined _MSC_VER) int yyparse (void) #else int yyparse () #endif #endif { int yystate; /* Number of tokens to shift before error messages enabled. */ int yyerrstatus; /* The stacks and their tools: `yyss': related to states. `yyvs': related to semantic values. Refer to the stacks thru separate pointers, to allow yyoverflow to reallocate them elsewhere. */ /* The state stack. */ yytype_int16 yyssa[YYINITDEPTH]; yytype_int16 *yyss; yytype_int16 *yyssp; /* The semantic value stack. */ YYSTYPE yyvsa[YYINITDEPTH]; YYSTYPE *yyvs; YYSTYPE *yyvsp; YYSIZE_T yystacksize; int yyn; int yyresult; /* Lookahead token as an internal (translated) token number. */ int yytoken; /* The variables used to return semantic value and location from the action routines. */ YYSTYPE yyval; #if YYERROR_VERBOSE /* Buffer for error messages, and its allocated size. */ char yymsgbuf[128]; char *yymsg = yymsgbuf; YYSIZE_T yymsg_alloc = sizeof yymsgbuf; #endif #define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N)) /* The number of symbols on the RHS of the reduced rule. Keep to zero when no symbol should be popped. */ int yylen = 0; yytoken = 0; yyss = yyssa; yyvs = yyvsa; yystacksize = YYINITDEPTH; YYDPRINTF ((stderr, "Starting parse\n")); yystate = 0; yyerrstatus = 0; yynerrs = 0; yychar = YYEMPTY; /* Cause a token to be read. */ /* Initialize stack pointers. Waste one element of value and location stack so that they stay on the same level as the state stack. The wasted elements are never initialized. */ yyssp = yyss; yyvsp = yyvs; goto yysetstate; /*------------------------------------------------------------. | yynewstate -- Push a new state, which is found in yystate. | `------------------------------------------------------------*/ yynewstate: /* In all cases, when you get here, the value and location stacks have just been pushed. So pushing a state here evens the stacks. */ yyssp++; yysetstate: *yyssp = yystate; if (yyss + yystacksize - 1 <= yyssp) { /* Get the current used size of the three stacks, in elements. */ YYSIZE_T yysize = yyssp - yyss + 1; #ifdef yyoverflow { /* Give user a chance to reallocate the stack. Use copies of these so that the &'s don't force the real ones into memory. */ YYSTYPE *yyvs1 = yyvs; yytype_int16 *yyss1 = yyss; /* Each stack pointer address is followed by the size of the data in use in that stack, in bytes. This used to be a conditional around just the two extra args, but that might be undefined if yyoverflow is a macro. */ yyoverflow (YY_("memory exhausted"), &yyss1, yysize * sizeof (*yyssp), &yyvs1, yysize * sizeof (*yyvsp), &yystacksize); yyss = yyss1; yyvs = yyvs1; } #else /* no yyoverflow */ # ifndef YYSTACK_RELOCATE goto yyexhaustedlab; # else /* Extend the stack our own way. */ if (YYMAXDEPTH <= yystacksize) goto yyexhaustedlab; yystacksize *= 2; if (YYMAXDEPTH < yystacksize) yystacksize = YYMAXDEPTH; { yytype_int16 *yyss1 = yyss; union yyalloc *yyptr = (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); if (! yyptr) goto yyexhaustedlab; YYSTACK_RELOCATE (yyss_alloc, yyss); YYSTACK_RELOCATE (yyvs_alloc, yyvs); # undef YYSTACK_RELOCATE if (yyss1 != yyssa) YYSTACK_FREE (yyss1); } # endif #endif /* no yyoverflow */ yyssp = yyss + yysize - 1; yyvsp = yyvs + yysize - 1; YYDPRINTF ((stderr, "Stack size increased to %lu\n", (unsigned long int) yystacksize)); if (yyss + yystacksize - 1 <= yyssp) YYABORT; } YYDPRINTF ((stderr, "Entering state %d\n", yystate)); if (yystate == YYFINAL) YYACCEPT; goto yybackup; /*-----------. | yybackup. | `-----------*/ yybackup: /* Do appropriate processing given the current state. Read a lookahead token if we need one and don't already have one. */ /* First try to decide what to do without reference to lookahead token. */ yyn = yypact[yystate]; if (yypact_value_is_default (yyn)) goto yydefault; /* Not known => get a lookahead token if don't already have one. */ /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */ if (yychar == YYEMPTY) { YYDPRINTF ((stderr, "Reading a token: ")); yychar = YYLEX; } if (yychar <= YYEOF) { yychar = yytoken = YYEOF; YYDPRINTF ((stderr, "Now at end of input.\n")); } else { yytoken = YYTRANSLATE (yychar); YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc); } /* If the proper action on seeing token YYTOKEN is to reduce or to detect an error, take that action. */ yyn += yytoken; if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken) goto yydefault; yyn = yytable[yyn]; if (yyn <= 0) { if (yytable_value_is_error (yyn)) goto yyerrlab; yyn = -yyn; goto yyreduce; } /* Count tokens shifted since error; after three, turn off error status. */ if (yyerrstatus) yyerrstatus--; /* Shift the lookahead token. */ YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc); /* Discard the shifted token. */ yychar = YYEMPTY; yystate = yyn; *++yyvsp = yylval; goto yynewstate; /*-----------------------------------------------------------. | yydefault -- do the default action for the current state. | `-----------------------------------------------------------*/ yydefault: yyn = yydefact[yystate]; if (yyn == 0) goto yyerrlab; goto yyreduce; /*-----------------------------. | yyreduce -- Do a reduction. | `-----------------------------*/ yyreduce: /* yyn is the number of a rule to reduce with. */ yylen = yyr2[yyn]; /* If YYLEN is nonzero, implement the default value of the action: `$$ = $1'. Otherwise, the following line sets YYVAL to garbage. This behavior is undocumented and Bison users should not rely upon it. Assigning to YYVAL unconditionally makes the parser a bit smaller, and it avoids a GCC warning that YYVAL may be used uninitialized. */ yyval = yyvsp[1-yylen]; YY_REDUCE_PRINT (yyn); switch (yyn) { case 13: /* Line 1806 of yacc.c */ #line 118 "read_config_yy.y" { strncpy(conf.logfile, DEFAULT_LOGFILE, FILENAME_MAXLEN); } break; case 14: /* Line 1806 of yacc.c */ #line 123 "read_config_yy.y" { } break; case 15: /* Line 1806 of yacc.c */ #line 127 "read_config_yy.y" { strncpy(conf.logfile, (yyvsp[(2) - (2)].string), FILENAME_MAXLEN); } break; case 16: /* Line 1806 of yacc.c */ #line 132 "read_config_yy.y" { conf.syslog_facility = DEFAULT_SYSLOG_FACILITY; } break; case 17: /* Line 1806 of yacc.c */ #line 137 "read_config_yy.y" { conf.syslog_facility = -1; } break; case 18: /* Line 1806 of yacc.c */ #line 142 "read_config_yy.y" { if (!strcmp((yyvsp[(2) - (2)].string), "daemon")) conf.syslog_facility = LOG_DAEMON; else if (!strcmp((yyvsp[(2) - (2)].string), "local0")) conf.syslog_facility = LOG_LOCAL0; else if (!strcmp((yyvsp[(2) - (2)].string), "local1")) conf.syslog_facility = LOG_LOCAL1; else if (!strcmp((yyvsp[(2) - (2)].string), "local2")) conf.syslog_facility = LOG_LOCAL2; else if (!strcmp((yyvsp[(2) - (2)].string), "local3")) conf.syslog_facility = LOG_LOCAL3; else if (!strcmp((yyvsp[(2) - (2)].string), "local4")) conf.syslog_facility = LOG_LOCAL4; else if (!strcmp((yyvsp[(2) - (2)].string), "local5")) conf.syslog_facility = LOG_LOCAL5; else if (!strcmp((yyvsp[(2) - (2)].string), "local6")) conf.syslog_facility = LOG_LOCAL6; else if (!strcmp((yyvsp[(2) - (2)].string), "local7")) conf.syslog_facility = LOG_LOCAL7; else { print_err(CTD_CFG_WARN, "'%s' is not a known syslog facility, " "ignoring", (yyvsp[(2) - (2)].string)); break; } if (conf.stats.syslog_facility != -1 && conf.syslog_facility != conf.stats.syslog_facility) print_err(CTD_CFG_WARN, "conflicting Syslog facility " "values, defaulting to General"); } break; case 19: /* Line 1806 of yacc.c */ #line 174 "read_config_yy.y" { strncpy(conf.lockfile, (yyvsp[(2) - (2)].string), FILENAME_MAXLEN); } break; case 20: /* Line 1806 of yacc.c */ #line 179 "read_config_yy.y" { print_err(CTD_CFG_WARN, "`StripNAT' clause is obsolete, ignoring"); } break; case 21: /* Line 1806 of yacc.c */ #line 184 "read_config_yy.y" { conf.refresh = (yyvsp[(2) - (2)].val); } break; case 22: /* Line 1806 of yacc.c */ #line 189 "read_config_yy.y" { conf.cache_timeout = (yyvsp[(2) - (2)].val); } break; case 23: /* Line 1806 of yacc.c */ #line 194 "read_config_yy.y" { conf.commit_timeout = (yyvsp[(2) - (2)].val); } break; case 24: /* Line 1806 of yacc.c */ #line 199 "read_config_yy.y" { conf.purge_timeout = (yyvsp[(2) - (2)].val); } break; case 25: /* Line 1806 of yacc.c */ #line 204 "read_config_yy.y" { print_err(CTD_CFG_WARN, "the use of `Checksum' outside the " "`Multicast' clause is ambiguous"); /* * XXX: The use of Checksum outside of the Multicast clause is broken * if we have more than one dedicated links. */ conf.channel[0].u.mcast.checksum = 0; } break; case 26: /* Line 1806 of yacc.c */ #line 215 "read_config_yy.y" { print_err(CTD_CFG_WARN, "the use of `Checksum' outside the " "`Multicast' clause is ambiguous"); /* * XXX: The use of Checksum outside of the Multicast clause is broken * if we have more than one dedicated links. */ conf.channel[0].u.mcast.checksum = 1; } break; case 27: /* Line 1806 of yacc.c */ #line 226 "read_config_yy.y" { ct_filter_set_logic(STATE(us_filter), CT_FILTER_ADDRESS, CT_FILTER_NEGATIVE); print_err(CTD_CFG_WARN, "the clause `IgnoreTrafficFor' is obsolete. " "Use `Filter' instead"); } break; case 30: /* Line 1806 of yacc.c */ #line 239 "read_config_yy.y" { union inet_address ip; memset(&ip, 0, sizeof(union inet_address)); if (!inet_aton((yyvsp[(2) - (2)].string), &ip.ipv4)) { print_err(CTD_CFG_WARN, "%s is not a valid IPv4, " "ignoring", (yyvsp[(2) - (2)].string)); break; } if (!ct_filter_add_ip(STATE(us_filter), &ip, AF_INET)) { if (errno == EEXIST) print_err(CTD_CFG_WARN, "IP %s is repeated " "in the ignore pool", (yyvsp[(2) - (2)].string)); if (errno == ENOSPC) print_err(CTD_CFG_WARN, "too many IP in the " "ignore pool!"); } } break; case 31: /* Line 1806 of yacc.c */ #line 261 "read_config_yy.y" { union inet_address ip; memset(&ip, 0, sizeof(union inet_address)); #ifdef HAVE_INET_PTON_IPV6 if (inet_pton(AF_INET6, (yyvsp[(2) - (2)].string), &ip.ipv6) <= 0) { print_err(CTD_CFG_WARN, "%s is not a valid IPv6, ignoring", (yyvsp[(2) - (2)].string)); break; } #else print_err(CTD_CFG_WARN, "cannot find inet_pton(), IPv6 unsupported!"); #endif if (!ct_filter_add_ip(STATE(us_filter), &ip, AF_INET6)) { if (errno == EEXIST) print_err(CTD_CFG_WARN, "IP %s is repeated " "in the ignore pool", (yyvsp[(2) - (2)].string)); if (errno == ENOSPC) print_err(CTD_CFG_WARN, "too many IP in the " "ignore pool!"); } } break; case 32: /* Line 1806 of yacc.c */ #line 287 "read_config_yy.y" { if (conf.channel_type_global != CHANNEL_NONE && conf.channel_type_global != CHANNEL_MCAST) { print_err(CTD_CFG_ERROR, "cannot use `Multicast' with other " "dedicated link protocols!"); exit(EXIT_FAILURE); } conf.channel_type_global = CHANNEL_MCAST; conf.channel[conf.channel_num].channel_type = CHANNEL_MCAST; conf.channel[conf.channel_num].channel_flags = CHANNEL_F_BUFFERED; conf.channel_num++; } break; case 33: /* Line 1806 of yacc.c */ #line 301 "read_config_yy.y" { if (conf.channel_type_global != CHANNEL_NONE && conf.channel_type_global != CHANNEL_MCAST) { print_err(CTD_CFG_ERROR, "cannot use `Multicast' with other " "dedicated link protocols!"); exit(EXIT_FAILURE); } conf.channel_type_global = CHANNEL_MCAST; conf.channel[conf.channel_num].channel_type = CHANNEL_MCAST; conf.channel[conf.channel_num].channel_flags = CHANNEL_F_DEFAULT | CHANNEL_F_BUFFERED; conf.channel_default = conf.channel_num; conf.channel_num++; } break; case 36: /* Line 1806 of yacc.c */ #line 320 "read_config_yy.y" { __max_dedicated_links_reached(); if (!inet_aton((yyvsp[(2) - (2)].string), &conf.channel[conf.channel_num].u.mcast.in)) { print_err(CTD_CFG_WARN, "%s is not a valid IPv4 address", (yyvsp[(2) - (2)].string)); break; } if (conf.channel[conf.channel_num].u.mcast.ipproto == AF_INET6) { print_err(CTD_CFG_WARN, "your multicast address is IPv4 but " "is binded to an IPv6 interface? " "Surely, this is not what you want"); break; } conf.channel[conf.channel_num].u.mcast.ipproto = AF_INET; } break; case 37: /* Line 1806 of yacc.c */ #line 339 "read_config_yy.y" { __max_dedicated_links_reached(); #ifdef HAVE_INET_PTON_IPV6 if (inet_pton(AF_INET6, (yyvsp[(2) - (2)].string), &conf.channel[conf.channel_num].u.mcast.in) <= 0) { print_err(CTD_CFG_WARN, "%s is not a valid IPv6 address", (yyvsp[(2) - (2)].string)); break; } #else print_err(CTD_CFG_WARN, "cannot find inet_pton(), IPv6 unsupported!"); break; #endif if (conf.channel[conf.channel_num].u.mcast.ipproto == AF_INET) { print_err(CTD_CFG_WARN, "your multicast address is IPv6 but " "is binded to an IPv4 interface? " "Surely this is not what you want"); break; } conf.channel[conf.channel_num].u.mcast.ipproto = AF_INET6; if (conf.channel[conf.channel_num].channel_ifname[0] && !conf.channel[conf.channel_num].u.mcast.ifa.interface_index6) { unsigned int idx; idx = if_nametoindex((yyvsp[(2) - (2)].string)); if (!idx) { print_err(CTD_CFG_WARN, "%s is an invalid interface", (yyvsp[(2) - (2)].string)); break; } conf.channel[conf.channel_num].u.mcast.ifa.interface_index6 = idx; conf.channel[conf.channel_num].u.mcast.ipproto = AF_INET6; } } break; case 38: /* Line 1806 of yacc.c */ #line 379 "read_config_yy.y" { __max_dedicated_links_reached(); if (!inet_aton((yyvsp[(2) - (2)].string), &conf.channel[conf.channel_num].u.mcast.ifa)) { print_err(CTD_CFG_WARN, "%s is not a valid IPv4 address", (yyvsp[(2) - (2)].string)); break; } if (conf.channel[conf.channel_num].u.mcast.ipproto == AF_INET6) { print_err(CTD_CFG_WARN, "your multicast interface is IPv4 but " "is binded to an IPv6 interface? " "Surely, this is not what you want"); break; } conf.channel[conf.channel_num].u.mcast.ipproto = AF_INET; } break; case 39: /* Line 1806 of yacc.c */ #line 398 "read_config_yy.y" { print_err(CTD_CFG_WARN, "`IPv6_interface' not required, ignoring"); } break; case 40: /* Line 1806 of yacc.c */ #line 403 "read_config_yy.y" { unsigned int idx; __max_dedicated_links_reached(); strncpy(conf.channel[conf.channel_num].channel_ifname, (yyvsp[(2) - (2)].string), IFNAMSIZ); idx = if_nametoindex((yyvsp[(2) - (2)].string)); if (!idx) { print_err(CTD_CFG_WARN, "%s is an invalid interface", (yyvsp[(2) - (2)].string)); break; } if (conf.channel[conf.channel_num].u.mcast.ipproto == AF_INET6) { conf.channel[conf.channel_num].u.mcast.ifa.interface_index6 = idx; conf.channel[conf.channel_num].u.mcast.ipproto = AF_INET6; } } break; case 41: /* Line 1806 of yacc.c */ #line 423 "read_config_yy.y" { print_err(CTD_CFG_WARN, "`Backlog' option inside Multicast clause is " "obsolete. Please, remove it from " "conntrackd.conf"); } break; case 42: /* Line 1806 of yacc.c */ #line 430 "read_config_yy.y" { __max_dedicated_links_reached(); conf.channel[conf.channel_num].u.mcast.port = (yyvsp[(2) - (2)].val); } break; case 43: /* Line 1806 of yacc.c */ #line 436 "read_config_yy.y" { __max_dedicated_links_reached(); conf.channel[conf.channel_num].u.mcast.sndbuf = (yyvsp[(2) - (2)].val); } break; case 44: /* Line 1806 of yacc.c */ #line 442 "read_config_yy.y" { __max_dedicated_links_reached(); conf.channel[conf.channel_num].u.mcast.rcvbuf = (yyvsp[(2) - (2)].val); } break; case 45: /* Line 1806 of yacc.c */ #line 448 "read_config_yy.y" { __max_dedicated_links_reached(); conf.channel[conf.channel_num].u.mcast.checksum = 0; } break; case 46: /* Line 1806 of yacc.c */ #line 454 "read_config_yy.y" { __max_dedicated_links_reached(); conf.channel[conf.channel_num].u.mcast.checksum = 1; } break; case 47: /* Line 1806 of yacc.c */ #line 460 "read_config_yy.y" { if (conf.channel_type_global != CHANNEL_NONE && conf.channel_type_global != CHANNEL_UDP) { print_err(CTD_CFG_ERROR, "cannot use `UDP' with other " "dedicated link protocols!"); exit(EXIT_FAILURE); } conf.channel_type_global = CHANNEL_UDP; conf.channel[conf.channel_num].channel_type = CHANNEL_UDP; conf.channel[conf.channel_num].channel_flags = CHANNEL_F_BUFFERED; conf.channel_num++; } break; case 48: /* Line 1806 of yacc.c */ #line 474 "read_config_yy.y" { if (conf.channel_type_global != CHANNEL_NONE && conf.channel_type_global != CHANNEL_UDP) { print_err(CTD_CFG_ERROR, "cannot use `UDP' with other " "dedicated link protocols!"); exit(EXIT_FAILURE); } conf.channel_type_global = CHANNEL_UDP; conf.channel[conf.channel_num].channel_type = CHANNEL_UDP; conf.channel[conf.channel_num].channel_flags = CHANNEL_F_DEFAULT | CHANNEL_F_BUFFERED; conf.channel_default = conf.channel_num; conf.channel_num++; } break; case 51: /* Line 1806 of yacc.c */ #line 493 "read_config_yy.y" { __max_dedicated_links_reached(); if (!inet_aton((yyvsp[(2) - (2)].string), &conf.channel[conf.channel_num].u.udp.server.ipv4)) { print_err(CTD_CFG_WARN, "%s is not a valid IPv4 address", (yyvsp[(2) - (2)].string)); break; } conf.channel[conf.channel_num].u.udp.ipproto = AF_INET; } break; case 52: /* Line 1806 of yacc.c */ #line 504 "read_config_yy.y" { __max_dedicated_links_reached(); #ifdef HAVE_INET_PTON_IPV6 if (inet_pton(AF_INET6, (yyvsp[(2) - (2)].string), &conf.channel[conf.channel_num].u.udp.server.ipv6) <= 0) { print_err(CTD_CFG_WARN, "%s is not a valid IPv6 address", (yyvsp[(2) - (2)].string)); break; } #else print_err(CTD_CFG_WARN, "cannot find inet_pton(), IPv6 unsupported!"); break; #endif conf.channel[conf.channel_num].u.udp.ipproto = AF_INET6; } break; case 53: /* Line 1806 of yacc.c */ #line 521 "read_config_yy.y" { __max_dedicated_links_reached(); if (!inet_aton((yyvsp[(2) - (2)].string), &conf.channel[conf.channel_num].u.udp.client)) { print_err(CTD_CFG_WARN, "%s is not a valid IPv4 address", (yyvsp[(2) - (2)].string)); break; } conf.channel[conf.channel_num].u.udp.ipproto = AF_INET; } break; case 54: /* Line 1806 of yacc.c */ #line 532 "read_config_yy.y" { __max_dedicated_links_reached(); #ifdef HAVE_INET_PTON_IPV6 if (inet_pton(AF_INET6, (yyvsp[(2) - (2)].string), &conf.channel[conf.channel_num].u.udp.client) <= 0) { print_err(CTD_CFG_WARN, "%s is not a valid IPv6 address", (yyvsp[(2) - (2)].string)); break; } #else print_err(CTD_CFG_WARN, "cannot find inet_pton(), IPv6 unsupported!"); break; #endif conf.channel[conf.channel_num].u.udp.ipproto = AF_INET6; } break; case 55: /* Line 1806 of yacc.c */ #line 549 "read_config_yy.y" { int idx; __max_dedicated_links_reached(); strncpy(conf.channel[conf.channel_num].channel_ifname, (yyvsp[(2) - (2)].string), IFNAMSIZ); idx = if_nametoindex((yyvsp[(2) - (2)].string)); if (!idx) { print_err(CTD_CFG_WARN, "%s is an invalid interface", (yyvsp[(2) - (2)].string)); break; } conf.channel[conf.channel_num].u.udp.server.ipv6.scope_id = idx; } break; case 56: /* Line 1806 of yacc.c */ #line 564 "read_config_yy.y" { __max_dedicated_links_reached(); conf.channel[conf.channel_num].u.udp.port = (yyvsp[(2) - (2)].val); } break; case 57: /* Line 1806 of yacc.c */ #line 570 "read_config_yy.y" { __max_dedicated_links_reached(); conf.channel[conf.channel_num].u.udp.sndbuf = (yyvsp[(2) - (2)].val); } break; case 58: /* Line 1806 of yacc.c */ #line 576 "read_config_yy.y" { __max_dedicated_links_reached(); conf.channel[conf.channel_num].u.udp.rcvbuf = (yyvsp[(2) - (2)].val); } break; case 59: /* Line 1806 of yacc.c */ #line 582 "read_config_yy.y" { __max_dedicated_links_reached(); conf.channel[conf.channel_num].u.udp.checksum = 0; } break; case 60: /* Line 1806 of yacc.c */ #line 588 "read_config_yy.y" { __max_dedicated_links_reached(); conf.channel[conf.channel_num].u.udp.checksum = 1; } break; case 61: /* Line 1806 of yacc.c */ #line 594 "read_config_yy.y" { if (conf.channel_type_global != CHANNEL_NONE && conf.channel_type_global != CHANNEL_TCP) { print_err(CTD_CFG_ERROR, "cannot use `TCP' with other " "dedicated link protocols!"); exit(EXIT_FAILURE); } conf.channel_type_global = CHANNEL_TCP; conf.channel[conf.channel_num].channel_type = CHANNEL_TCP; conf.channel[conf.channel_num].channel_flags = CHANNEL_F_BUFFERED | CHANNEL_F_STREAM | CHANNEL_F_ERRORS; conf.channel_num++; } break; case 62: /* Line 1806 of yacc.c */ #line 610 "read_config_yy.y" { if (conf.channel_type_global != CHANNEL_NONE && conf.channel_type_global != CHANNEL_TCP) { print_err(CTD_CFG_ERROR, "cannot use `TCP' with other " "dedicated link protocols!"); exit(EXIT_FAILURE); } conf.channel_type_global = CHANNEL_TCP; conf.channel[conf.channel_num].channel_type = CHANNEL_TCP; conf.channel[conf.channel_num].channel_flags = CHANNEL_F_DEFAULT | CHANNEL_F_BUFFERED | CHANNEL_F_STREAM | CHANNEL_F_ERRORS; conf.channel_default = conf.channel_num; conf.channel_num++; } break; case 65: /* Line 1806 of yacc.c */ #line 631 "read_config_yy.y" { __max_dedicated_links_reached(); if (!inet_aton((yyvsp[(2) - (2)].string), &conf.channel[conf.channel_num].u.tcp.server.ipv4)) { print_err(CTD_CFG_WARN, "%s is not a valid IPv4 address", (yyvsp[(2) - (2)].string)); break; } conf.channel[conf.channel_num].u.tcp.ipproto = AF_INET; } break; case 66: /* Line 1806 of yacc.c */ #line 642 "read_config_yy.y" { __max_dedicated_links_reached(); #ifdef HAVE_INET_PTON_IPV6 if (inet_pton(AF_INET6, (yyvsp[(2) - (2)].string), &conf.channel[conf.channel_num].u.tcp.server.ipv6) <= 0) { print_err(CTD_CFG_WARN, "%s is not a valid IPv6 address", (yyvsp[(2) - (2)].string)); break; } #else print_err(CTD_CFG_WARN, "cannot find inet_pton(), IPv6 unsupported!"); break; #endif conf.channel[conf.channel_num].u.tcp.ipproto = AF_INET6; } break; case 67: /* Line 1806 of yacc.c */ #line 659 "read_config_yy.y" { __max_dedicated_links_reached(); if (!inet_aton((yyvsp[(2) - (2)].string), &conf.channel[conf.channel_num].u.tcp.client)) { print_err(CTD_CFG_WARN, "%s is not a valid IPv4 address", (yyvsp[(2) - (2)].string)); break; } conf.channel[conf.channel_num].u.tcp.ipproto = AF_INET; } break; case 68: /* Line 1806 of yacc.c */ #line 670 "read_config_yy.y" { __max_dedicated_links_reached(); #ifdef HAVE_INET_PTON_IPV6 if (inet_pton(AF_INET6, (yyvsp[(2) - (2)].string), &conf.channel[conf.channel_num].u.tcp.client) <= 0) { print_err(CTD_CFG_WARN, "%s is not a valid IPv6 address", (yyvsp[(2) - (2)].string)); break; } #else print_err(CTD_CFG_WARN, "cannot find inet_pton(), IPv6 unsupported!"); break; #endif conf.channel[conf.channel_num].u.tcp.ipproto = AF_INET6; } break; case 69: /* Line 1806 of yacc.c */ #line 687 "read_config_yy.y" { int idx; __max_dedicated_links_reached(); strncpy(conf.channel[conf.channel_num].channel_ifname, (yyvsp[(2) - (2)].string), IFNAMSIZ); idx = if_nametoindex((yyvsp[(2) - (2)].string)); if (!idx) { print_err(CTD_CFG_WARN, "%s is an invalid interface", (yyvsp[(2) - (2)].string)); break; } conf.channel[conf.channel_num].u.tcp.server.ipv6.scope_id = idx; } break; case 70: /* Line 1806 of yacc.c */ #line 702 "read_config_yy.y" { __max_dedicated_links_reached(); conf.channel[conf.channel_num].u.tcp.port = (yyvsp[(2) - (2)].val); } break; case 71: /* Line 1806 of yacc.c */ #line 708 "read_config_yy.y" { __max_dedicated_links_reached(); conf.channel[conf.channel_num].u.tcp.sndbuf = (yyvsp[(2) - (2)].val); } break; case 72: /* Line 1806 of yacc.c */ #line 714 "read_config_yy.y" { __max_dedicated_links_reached(); conf.channel[conf.channel_num].u.tcp.rcvbuf = (yyvsp[(2) - (2)].val); } break; case 73: /* Line 1806 of yacc.c */ #line 720 "read_config_yy.y" { __max_dedicated_links_reached(); conf.channel[conf.channel_num].u.tcp.checksum = 0; } break; case 74: /* Line 1806 of yacc.c */ #line 726 "read_config_yy.y" { __max_dedicated_links_reached(); conf.channel[conf.channel_num].u.tcp.checksum = 1; } break; case 75: /* Line 1806 of yacc.c */ #line 732 "read_config_yy.y" { __max_dedicated_links_reached(); CONFIG(channelc).error_queue_length = (yyvsp[(2) - (2)].val); } break; case 76: /* Line 1806 of yacc.c */ #line 738 "read_config_yy.y" { conf.hashsize = (yyvsp[(2) - (2)].val); } break; case 77: /* Line 1806 of yacc.c */ #line 743 "read_config_yy.y" { conf.limit = (yyvsp[(2) - (2)].val); } break; case 81: /* Line 1806 of yacc.c */ #line 754 "read_config_yy.y" { strcpy(conf.local.path, (yyvsp[(2) - (2)].string)); } break; case 82: /* Line 1806 of yacc.c */ #line 759 "read_config_yy.y" { conf.local.backlog = (yyvsp[(2) - (2)].val); } break; case 83: /* Line 1806 of yacc.c */ #line 764 "read_config_yy.y" { ct_filter_set_logic(STATE(us_filter), CT_FILTER_L4PROTO, CT_FILTER_NEGATIVE); print_err(CTD_CFG_WARN, "the clause `IgnoreProtocol' is " "obsolete. Use `Filter' instead"); } break; case 86: /* Line 1806 of yacc.c */ #line 778 "read_config_yy.y" { if ((yyvsp[(1) - (1)].val) < IPPROTO_MAX) ct_filter_add_proto(STATE(us_filter), (yyvsp[(1) - (1)].val)); else print_err(CTD_CFG_WARN, "protocol number `%d' is freak", (yyvsp[(1) - (1)].val)); } break; case 87: /* Line 1806 of yacc.c */ #line 786 "read_config_yy.y" { struct protoent *pent; pent = getprotobyname((yyvsp[(1) - (1)].string)); if (pent == NULL) { print_err(CTD_CFG_WARN, "getprotobyname() cannot find " "protocol `%s' in /etc/protocols", (yyvsp[(1) - (1)].string)); break; } ct_filter_add_proto(STATE(us_filter), pent->p_proto); } break; case 88: /* Line 1806 of yacc.c */ #line 799 "read_config_yy.y" { if (conf.flags & CTD_STATS_MODE) { print_err(CTD_CFG_ERROR, "cannot use both `Stats' and `Sync' " "clauses in conntrackd.conf"); exit(EXIT_FAILURE); } conf.flags |= CTD_SYNC_MODE; } break; case 112: /* Line 1806 of yacc.c */ #line 838 "read_config_yy.y" { CONFIG(sync).tcp_window_tracking = 1; } break; case 113: /* Line 1806 of yacc.c */ #line 843 "read_config_yy.y" { CONFIG(sync).tcp_window_tracking = 0; } break; case 114: /* Line 1806 of yacc.c */ #line 848 "read_config_yy.y" { CONFIG(flags) |= CTD_EXPECT; CONFIG(netlink).subsys_id = NFNL_SUBSYS_NONE; CONFIG(netlink).groups = NF_NETLINK_CONNTRACK_NEW | NF_NETLINK_CONNTRACK_UPDATE | NF_NETLINK_CONNTRACK_DESTROY | NF_NETLINK_CONNTRACK_EXP_NEW | NF_NETLINK_CONNTRACK_EXP_UPDATE | NF_NETLINK_CONNTRACK_EXP_DESTROY; } break; case 115: /* Line 1806 of yacc.c */ #line 860 "read_config_yy.y" { CONFIG(netlink).subsys_id = NFNL_SUBSYS_CTNETLINK; CONFIG(netlink).groups = NF_NETLINK_CONNTRACK_NEW | NF_NETLINK_CONNTRACK_UPDATE | NF_NETLINK_CONNTRACK_DESTROY; } break; case 116: /* Line 1806 of yacc.c */ #line 868 "read_config_yy.y" { CONFIG(flags) |= CTD_EXPECT; CONFIG(netlink).subsys_id = NFNL_SUBSYS_NONE; CONFIG(netlink).groups = NF_NETLINK_CONNTRACK_NEW | NF_NETLINK_CONNTRACK_UPDATE | NF_NETLINK_CONNTRACK_DESTROY | NF_NETLINK_CONNTRACK_EXP_NEW | NF_NETLINK_CONNTRACK_EXP_UPDATE | NF_NETLINK_CONNTRACK_EXP_DESTROY; } break; case 119: /* Line 1806 of yacc.c */ #line 883 "read_config_yy.y" { exp_filter_add(STATE(exp_filter), (yyvsp[(1) - (1)].string)); } break; case 120: /* Line 1806 of yacc.c */ #line 888 "read_config_yy.y" { conf.flags |= CTD_SYNC_ALARM; } break; case 121: /* Line 1806 of yacc.c */ #line 893 "read_config_yy.y" { conf.flags |= CTD_SYNC_FTFW; } break; case 122: /* Line 1806 of yacc.c */ #line 898 "read_config_yy.y" { conf.flags |= CTD_SYNC_NOTRACK; } break; case 145: /* Line 1806 of yacc.c */ #line 934 "read_config_yy.y" { conf.sync.internal_cache_disable = 1; } break; case 146: /* Line 1806 of yacc.c */ #line 939 "read_config_yy.y" { conf.sync.internal_cache_disable = 0; } break; case 147: /* Line 1806 of yacc.c */ #line 944 "read_config_yy.y" { conf.sync.external_cache_disable = 1; } break; case 148: /* Line 1806 of yacc.c */ #line 949 "read_config_yy.y" { conf.sync.external_cache_disable = 0; } break; case 149: /* Line 1806 of yacc.c */ #line 954 "read_config_yy.y" { print_err(CTD_CFG_WARN, "`ResendBufferSize' is deprecated. " "Use `ResendQueueSize' instead"); } break; case 150: /* Line 1806 of yacc.c */ #line 960 "read_config_yy.y" { conf.resend_queue_size = (yyvsp[(2) - (2)].val); } break; case 151: /* Line 1806 of yacc.c */ #line 965 "read_config_yy.y" { conf.window_size = (yyvsp[(2) - (2)].val); } break; case 152: /* Line 1806 of yacc.c */ #line 970 "read_config_yy.y" { print_err(CTD_CFG_WARN, "`DestroyTimeout' is deprecated. Remove it"); } break; case 153: /* Line 1806 of yacc.c */ #line 975 "read_config_yy.y" { print_err(CTD_CFG_WARN, "`RelaxTransitions' clause is obsolete. " "Please, remove it from conntrackd.conf"); } break; case 154: /* Line 1806 of yacc.c */ #line 981 "read_config_yy.y" { print_err(CTD_CFG_WARN, "`DelayDestroyMessages' clause is obsolete. " "Please, remove it from conntrackd.conf"); } break; case 155: /* Line 1806 of yacc.c */ #line 987 "read_config_yy.y" { print_err(CTD_CFG_WARN, "the clause `ListenTo' is obsolete, ignoring"); } break; case 156: /* Line 1806 of yacc.c */ #line 992 "read_config_yy.y" { ct_filter_set_logic(STATE(us_filter), CT_FILTER_STATE, CT_FILTER_POSITIVE); print_err(CTD_CFG_WARN, "the clause `Replicate' is obsolete. " "Use `Filter' instead"); } break; case 159: /* Line 1806 of yacc.c */ #line 1005 "read_config_yy.y" { if (strncmp((yyvsp[(1) - (1)].string), "TCP", strlen("TCP")) != 0) { print_err(CTD_CFG_WARN, "unsupported protocol `%s' in line %d", (yyvsp[(1) - (1)].string), yylineno); } } break; case 163: /* Line 1806 of yacc.c */ #line 1017 "read_config_yy.y" { ct_filter_add_state(STATE(us_filter), IPPROTO_TCP, TCP_CONNTRACK_SYN_SENT); __kernel_filter_add_state(TCP_CONNTRACK_SYN_SENT); } break; case 164: /* Line 1806 of yacc.c */ #line 1025 "read_config_yy.y" { ct_filter_add_state(STATE(us_filter), IPPROTO_TCP, TCP_CONNTRACK_SYN_RECV); __kernel_filter_add_state(TCP_CONNTRACK_SYN_RECV); } break; case 165: /* Line 1806 of yacc.c */ #line 1033 "read_config_yy.y" { ct_filter_add_state(STATE(us_filter), IPPROTO_TCP, TCP_CONNTRACK_ESTABLISHED); __kernel_filter_add_state(TCP_CONNTRACK_ESTABLISHED); } break; case 166: /* Line 1806 of yacc.c */ #line 1041 "read_config_yy.y" { ct_filter_add_state(STATE(us_filter), IPPROTO_TCP, TCP_CONNTRACK_FIN_WAIT); __kernel_filter_add_state(TCP_CONNTRACK_FIN_WAIT); } break; case 167: /* Line 1806 of yacc.c */ #line 1049 "read_config_yy.y" { ct_filter_add_state(STATE(us_filter), IPPROTO_TCP, TCP_CONNTRACK_CLOSE_WAIT); __kernel_filter_add_state(TCP_CONNTRACK_CLOSE_WAIT); } break; case 168: /* Line 1806 of yacc.c */ #line 1057 "read_config_yy.y" { ct_filter_add_state(STATE(us_filter), IPPROTO_TCP, TCP_CONNTRACK_LAST_ACK); __kernel_filter_add_state(TCP_CONNTRACK_LAST_ACK); } break; case 169: /* Line 1806 of yacc.c */ #line 1065 "read_config_yy.y" { ct_filter_add_state(STATE(us_filter), IPPROTO_TCP, TCP_CONNTRACK_TIME_WAIT); __kernel_filter_add_state(TCP_CONNTRACK_TIME_WAIT); } break; case 170: /* Line 1806 of yacc.c */ #line 1073 "read_config_yy.y" { ct_filter_add_state(STATE(us_filter), IPPROTO_TCP, TCP_CONNTRACK_CLOSE); __kernel_filter_add_state(TCP_CONNTRACK_CLOSE); } break; case 171: /* Line 1806 of yacc.c */ #line 1081 "read_config_yy.y" { ct_filter_add_state(STATE(us_filter), IPPROTO_TCP, TCP_CONNTRACK_LISTEN); __kernel_filter_add_state(TCP_CONNTRACK_LISTEN); } break; case 172: /* Line 1806 of yacc.c */ #line 1090 "read_config_yy.y" { print_err(CTD_CFG_WARN, "`CacheWriteThrough' clause is obsolete, " "ignoring"); } break; case 173: /* Line 1806 of yacc.c */ #line 1096 "read_config_yy.y" { print_err(CTD_CFG_WARN, "`CacheWriteThrough' clause is obsolete, " "ignoring"); } break; case 195: /* Line 1806 of yacc.c */ #line 1128 "read_config_yy.y" { conf.netlink_buffer_size = (yyvsp[(2) - (2)].val); } break; case 196: /* Line 1806 of yacc.c */ #line 1133 "read_config_yy.y" { conf.netlink_buffer_size_max_grown = (yyvsp[(2) - (2)].val); } break; case 197: /* Line 1806 of yacc.c */ #line 1138 "read_config_yy.y" { conf.nl_overrun_resync = 30; } break; case 198: /* Line 1806 of yacc.c */ #line 1143 "read_config_yy.y" { conf.nl_overrun_resync = -1; } break; case 199: /* Line 1806 of yacc.c */ #line 1148 "read_config_yy.y" { conf.nl_overrun_resync = (yyvsp[(2) - (2)].val); } break; case 200: /* Line 1806 of yacc.c */ #line 1153 "read_config_yy.y" { conf.netlink.events_reliable = 1; } break; case 201: /* Line 1806 of yacc.c */ #line 1158 "read_config_yy.y" { conf.netlink.events_reliable = 0; } break; case 202: /* Line 1806 of yacc.c */ #line 1163 "read_config_yy.y" { conf.nice = (yyvsp[(2) - (2)].val); } break; case 206: /* Line 1806 of yacc.c */ #line 1174 "read_config_yy.y" { if (strcasecmp((yyvsp[(2) - (2)].string), "rr") == 0) { conf.sched.type = SCHED_RR; } else if (strcasecmp((yyvsp[(2) - (2)].string), "fifo") == 0) { conf.sched.type = SCHED_FIFO; } else { print_err(CTD_CFG_ERROR, "unknown scheduler `%s'", (yyvsp[(2) - (2)].string)); exit(EXIT_FAILURE); } } break; case 207: /* Line 1806 of yacc.c */ #line 1186 "read_config_yy.y" { conf.sched.prio = (yyvsp[(2) - (2)].val); if (conf.sched.prio < 0 || conf.sched.prio > 99) { print_err(CTD_CFG_ERROR, "`Priority' must be [0, 99]\n", (yyvsp[(2) - (2)].val)); exit(EXIT_FAILURE); } } break; case 208: /* Line 1806 of yacc.c */ #line 1195 "read_config_yy.y" { print_err(CTD_CFG_WARN, "`Family' is deprecated, ignoring"); } break; case 209: /* Line 1806 of yacc.c */ #line 1200 "read_config_yy.y" { CONFIG(event_iterations_limit) = (yyvsp[(2) - (2)].val); } break; case 210: /* Line 1806 of yacc.c */ #line 1205 "read_config_yy.y" { conf.flags |= CTD_POLL; conf.poll_kernel_secs = (yyvsp[(2) - (2)].val); if (conf.poll_kernel_secs == 0) { print_err(CTD_CFG_ERROR, "`PollSecs' clause must be > 0"); exit(EXIT_FAILURE); } } break; case 211: /* Line 1806 of yacc.c */ #line 1215 "read_config_yy.y" { CONFIG(filter_from_kernelspace) = 0; } break; case 212: /* Line 1806 of yacc.c */ #line 1220 "read_config_yy.y" { CONFIG(filter_from_kernelspace) = 0; } break; case 213: /* Line 1806 of yacc.c */ #line 1225 "read_config_yy.y" { CONFIG(filter_from_kernelspace) = 1; } break; case 216: /* Line 1806 of yacc.c */ #line 1233 "read_config_yy.y" { ct_filter_set_logic(STATE(us_filter), CT_FILTER_L4PROTO, CT_FILTER_POSITIVE); __kernel_filter_start(); } break; case 217: /* Line 1806 of yacc.c */ #line 1242 "read_config_yy.y" { ct_filter_set_logic(STATE(us_filter), CT_FILTER_L4PROTO, CT_FILTER_NEGATIVE); __kernel_filter_start(); nfct_filter_set_logic(STATE(filter), NFCT_FILTER_L4PROTO, NFCT_FILTER_LOGIC_NEGATIVE); } break; case 220: /* Line 1806 of yacc.c */ #line 1258 "read_config_yy.y" { struct protoent *pent; pent = getprotobyname((yyvsp[(1) - (1)].string)); if (pent == NULL) { print_err(CTD_CFG_WARN, "getprotobyname() cannot find " "protocol `%s' in /etc/protocols", (yyvsp[(1) - (1)].string)); break; } ct_filter_add_proto(STATE(us_filter), pent->p_proto); __kernel_filter_start(); nfct_filter_add_attr_u32(STATE(filter), NFCT_FILTER_L4PROTO, pent->p_proto); } break; case 221: /* Line 1806 of yacc.c */ #line 1277 "read_config_yy.y" { struct protoent *pent; pent = getprotobyname("tcp"); if (pent == NULL) { print_err(CTD_CFG_WARN, "getprotobyname() cannot find " "protocol `tcp' in /etc/protocols"); break; } ct_filter_add_proto(STATE(us_filter), pent->p_proto); __kernel_filter_start(); nfct_filter_add_attr_u32(STATE(filter), NFCT_FILTER_L4PROTO, pent->p_proto); } break; case 222: /* Line 1806 of yacc.c */ #line 1296 "read_config_yy.y" { struct protoent *pent; pent = getprotobyname("udp"); if (pent == NULL) { print_err(CTD_CFG_WARN, "getprotobyname() cannot find " "protocol `udp' in /etc/protocols"); break; } ct_filter_add_proto(STATE(us_filter), pent->p_proto); __kernel_filter_start(); nfct_filter_add_attr_u32(STATE(filter), NFCT_FILTER_L4PROTO, pent->p_proto); } break; case 223: /* Line 1806 of yacc.c */ #line 1315 "read_config_yy.y" { ct_filter_set_logic(STATE(us_filter), CT_FILTER_ADDRESS, CT_FILTER_POSITIVE); __kernel_filter_start(); } break; case 224: /* Line 1806 of yacc.c */ #line 1324 "read_config_yy.y" { ct_filter_set_logic(STATE(us_filter), CT_FILTER_ADDRESS, CT_FILTER_NEGATIVE); __kernel_filter_start(); nfct_filter_set_logic(STATE(filter), NFCT_FILTER_SRC_IPV4, NFCT_FILTER_LOGIC_NEGATIVE); nfct_filter_set_logic(STATE(filter), NFCT_FILTER_DST_IPV4, NFCT_FILTER_LOGIC_NEGATIVE); nfct_filter_set_logic(STATE(filter), NFCT_FILTER_SRC_IPV6, NFCT_FILTER_LOGIC_NEGATIVE); nfct_filter_set_logic(STATE(filter), NFCT_FILTER_DST_IPV6, NFCT_FILTER_LOGIC_NEGATIVE); } break; case 227: /* Line 1806 of yacc.c */ #line 1349 "read_config_yy.y" { union inet_address ip; char *slash; unsigned int cidr = 32; memset(&ip, 0, sizeof(union inet_address)); slash = strchr((yyvsp[(2) - (2)].string), '/'); if (slash) { *slash = '\0'; cidr = atoi(slash+1); if (cidr > 32) { print_err(CTD_CFG_WARN, "%s/%d is not a valid network, " "ignoring", (yyvsp[(2) - (2)].string), cidr); break; } } if (!inet_aton((yyvsp[(2) - (2)].string), &ip.ipv4)) { print_err(CTD_CFG_WARN, "%s is not a valid IPv4, ignoring", (yyvsp[(2) - (2)].string)); break; } if (slash && cidr < 32) { /* network byte order */ struct ct_filter_netmask_ipv4 tmp = { .ip = ip.ipv4, .mask = ipv4_cidr2mask_net(cidr) }; if (!ct_filter_add_netmask(STATE(us_filter), &tmp, AF_INET)) { if (errno == EEXIST) print_err(CTD_CFG_WARN, "netmask %s is " "repeated in the " "ignore pool", (yyvsp[(2) - (2)].string)); } } else { if (!ct_filter_add_ip(STATE(us_filter), &ip, AF_INET)) { if (errno == EEXIST) print_err(CTD_CFG_WARN, "IP %s is repeated in " "the ignore pool", (yyvsp[(2) - (2)].string)); if (errno == ENOSPC) print_err(CTD_CFG_WARN, "too many IP in the " "ignore pool!"); } } __kernel_filter_start(); /* host byte order */ struct nfct_filter_ipv4 filter_ipv4 = { .addr = ntohl(ip.ipv4), .mask = ipv4_cidr2mask_host(cidr), }; nfct_filter_add_attr(STATE(filter), NFCT_FILTER_SRC_IPV4, &filter_ipv4); nfct_filter_add_attr(STATE(filter), NFCT_FILTER_DST_IPV4, &filter_ipv4); } break; case 228: /* Line 1806 of yacc.c */ #line 1408 "read_config_yy.y" { union inet_address ip; char *slash; int cidr = 128; struct nfct_filter_ipv6 filter_ipv6; memset(&ip, 0, sizeof(union inet_address)); slash = strchr((yyvsp[(2) - (2)].string), '/'); if (slash) { *slash = '\0'; cidr = atoi(slash+1); if (cidr > 128) { print_err(CTD_CFG_WARN, "%s/%d is not a valid network, " "ignoring", (yyvsp[(2) - (2)].string), cidr); break; } } #ifdef HAVE_INET_PTON_IPV6 if (inet_pton(AF_INET6, (yyvsp[(2) - (2)].string), &ip.ipv6) <= 0) { print_err(CTD_CFG_WARN, "%s is not a valid IPv6, ignoring", (yyvsp[(2) - (2)].string)); break; } #else print_err(CTD_CFG_WARN, "cannot find inet_pton(), IPv6 unsupported!"); break; #endif if (slash && cidr < 128) { struct ct_filter_netmask_ipv6 tmp; memcpy(tmp.ip, ip.ipv6, sizeof(uint32_t)*4); ipv6_cidr2mask_net(cidr, tmp.mask); if (!ct_filter_add_netmask(STATE(us_filter), &tmp, AF_INET6)) { if (errno == EEXIST) print_err(CTD_CFG_WARN, "netmask %s is " "repeated in the " "ignore pool", (yyvsp[(2) - (2)].string)); } } else { if (!ct_filter_add_ip(STATE(us_filter), &ip, AF_INET6)) { if (errno == EEXIST) print_err(CTD_CFG_WARN, "IP %s is repeated in " "the ignore pool", (yyvsp[(2) - (2)].string)); if (errno == ENOSPC) print_err(CTD_CFG_WARN, "too many IP in the " "ignore pool!"); } } __kernel_filter_start(); /* host byte order */ ipv6_addr2addr_host(ip.ipv6, filter_ipv6.addr); ipv6_cidr2mask_host(cidr, filter_ipv6.mask); nfct_filter_add_attr(STATE(filter), NFCT_FILTER_SRC_IPV6, &filter_ipv6); nfct_filter_add_attr(STATE(filter), NFCT_FILTER_DST_IPV6, &filter_ipv6); } break; case 229: /* Line 1806 of yacc.c */ #line 1468 "read_config_yy.y" { ct_filter_set_logic(STATE(us_filter), CT_FILTER_STATE, CT_FILTER_POSITIVE); __kernel_filter_start(); } break; case 230: /* Line 1806 of yacc.c */ #line 1477 "read_config_yy.y" { ct_filter_set_logic(STATE(us_filter), CT_FILTER_STATE, CT_FILTER_NEGATIVE); __kernel_filter_start(); nfct_filter_set_logic(STATE(filter), NFCT_FILTER_L4PROTO_STATE, NFCT_FILTER_LOGIC_NEGATIVE); } break; case 234: /* Line 1806 of yacc.c */ #line 1496 "read_config_yy.y" { if (conf.flags & CTD_SYNC_MODE) { print_err(CTD_CFG_ERROR, "cannot use both `Stats' and `Sync' " "clauses in conntrackd.conf"); exit(EXIT_FAILURE); } conf.flags |= CTD_STATS_MODE; } break; case 242: /* Line 1806 of yacc.c */ #line 1517 "read_config_yy.y" { strncpy(conf.stats.logfile, DEFAULT_STATS_LOGFILE, FILENAME_MAXLEN); } break; case 243: /* Line 1806 of yacc.c */ #line 1522 "read_config_yy.y" { } break; case 244: /* Line 1806 of yacc.c */ #line 1526 "read_config_yy.y" { strncpy(conf.stats.logfile, (yyvsp[(2) - (2)].string), FILENAME_MAXLEN); } break; case 245: /* Line 1806 of yacc.c */ #line 1531 "read_config_yy.y" { conf.stats.syslog_facility = DEFAULT_SYSLOG_FACILITY; } break; case 246: /* Line 1806 of yacc.c */ #line 1536 "read_config_yy.y" { conf.stats.syslog_facility = -1; } break; case 247: /* Line 1806 of yacc.c */ #line 1541 "read_config_yy.y" { if (!strcmp((yyvsp[(2) - (2)].string), "daemon")) conf.stats.syslog_facility = LOG_DAEMON; else if (!strcmp((yyvsp[(2) - (2)].string), "local0")) conf.stats.syslog_facility = LOG_LOCAL0; else if (!strcmp((yyvsp[(2) - (2)].string), "local1")) conf.stats.syslog_facility = LOG_LOCAL1; else if (!strcmp((yyvsp[(2) - (2)].string), "local2")) conf.stats.syslog_facility = LOG_LOCAL2; else if (!strcmp((yyvsp[(2) - (2)].string), "local3")) conf.stats.syslog_facility = LOG_LOCAL3; else if (!strcmp((yyvsp[(2) - (2)].string), "local4")) conf.stats.syslog_facility = LOG_LOCAL4; else if (!strcmp((yyvsp[(2) - (2)].string), "local5")) conf.stats.syslog_facility = LOG_LOCAL5; else if (!strcmp((yyvsp[(2) - (2)].string), "local6")) conf.stats.syslog_facility = LOG_LOCAL6; else if (!strcmp((yyvsp[(2) - (2)].string), "local7")) conf.stats.syslog_facility = LOG_LOCAL7; else { print_err(CTD_CFG_WARN, "'%s' is not a known syslog facility, " "ignoring.", (yyvsp[(2) - (2)].string)); break; } if (conf.syslog_facility != -1 && conf.stats.syslog_facility != conf.syslog_facility) print_err(CTD_CFG_WARN, "conflicting Syslog facility " "values, defaulting to General"); } break; case 248: /* Line 1806 of yacc.c */ #line 1573 "read_config_yy.y" { print_err(CTD_CFG_WARN, "`LogFileBufferSize' is deprecated"); } break; case 249: /* Line 1806 of yacc.c */ #line 1578 "read_config_yy.y" { conf.flags |= CTD_HELPER; } break; case 253: /* Line 1806 of yacc.c */ #line 1590 "read_config_yy.y" { struct ctd_helper_instance *helper_inst; struct ctd_helper *helper; struct stack_item *e; uint16_t l3proto; uint8_t l4proto; if (strcmp((yyvsp[(3) - (7)].string), "inet") == 0) l3proto = AF_INET; else if (strcmp((yyvsp[(3) - (7)].string), "inet6") == 0) l3proto = AF_INET6; else { print_err(CTD_CFG_ERROR, "unknown layer 3 protocol"); exit(EXIT_FAILURE); } if (strcmp((yyvsp[(4) - (7)].string), "tcp") == 0) l4proto = IPPROTO_TCP; else if (strcmp((yyvsp[(4) - (7)].string), "udp") == 0) l4proto = IPPROTO_UDP; else { print_err(CTD_CFG_ERROR, "unknown layer 4 protocol"); exit(EXIT_FAILURE); } #ifdef BUILD_CTHELPER helper = helper_find(CONNTRACKD_LIB_DIR, (yyvsp[(2) - (7)].string), l4proto, RTLD_NOW); if (helper == NULL) { print_err(CTD_CFG_ERROR, "Unknown `%s' helper", (yyvsp[(2) - (7)].string)); exit(EXIT_FAILURE); } #else print_err(CTD_CFG_ERROR, "Helper support is disabled, recompile " "conntrackd"); exit(EXIT_FAILURE); #endif helper_inst = calloc(1, sizeof(struct ctd_helper_instance)); if (helper_inst == NULL) break; helper_inst->l3proto = l3proto; helper_inst->l4proto = l4proto; helper_inst->helper = helper; while ((e = stack_item_pop(&symbol_stack, -1)) != NULL) { switch(e->type) { case SYMBOL_HELPER_QUEUE_NUM: { int *qnum = (int *) &e->data; helper_inst->queue_num = *qnum; stack_item_free(e); break; } case SYMBOL_HELPER_QUEUE_LEN: { int *qlen = (int *) &e->data; helper_inst->queue_len = *qlen; stack_item_free(e); break; } case SYMBOL_HELPER_POLICY_EXPECT_ROOT: { struct ctd_helper_policy *pol = (struct ctd_helper_policy *) &e->data; struct ctd_helper_policy *matching = NULL; int i; for (i=0; ipolicy[i].name, pol->name) != 0) continue; matching = pol; break; } if (matching == NULL) { print_err(CTD_CFG_ERROR, "Unknown policy `%s' in helper " "configuration", pol->name); exit(EXIT_FAILURE); } /* FIXME: First set default policy, then change only * tuned fields, not everything. */ memcpy(&helper->policy[i], pol, sizeof(struct ctd_helper_policy)); stack_item_free(e); break; } default: print_err(CTD_CFG_ERROR, "Unexpected symbol parsing helper policy"); exit(EXIT_FAILURE); break; } } list_add(&helper_inst->head, &CONFIG(cthelper).list); } break; case 257: /* Line 1806 of yacc.c */ #line 1699 "read_config_yy.y" { int *qnum; struct stack_item *e; e = stack_item_alloc(SYMBOL_HELPER_QUEUE_NUM, sizeof(int)); qnum = (int *) e->data; *qnum = (yyvsp[(2) - (2)].val); stack_item_push(&symbol_stack, e); } break; case 258: /* Line 1806 of yacc.c */ #line 1710 "read_config_yy.y" { int *qlen; struct stack_item *e; e = stack_item_alloc(SYMBOL_HELPER_QUEUE_LEN, sizeof(int)); qlen = (int *) e->data; *qlen = (yyvsp[(2) - (2)].val); stack_item_push(&symbol_stack, e); } break; case 259: /* Line 1806 of yacc.c */ #line 1721 "read_config_yy.y" { struct stack_item *e; struct ctd_helper_policy *policy; e = stack_item_pop(&symbol_stack, SYMBOL_HELPER_EXPECT_POLICY_LEAF); if (e == NULL) { print_err(CTD_CFG_ERROR, "Helper policy configuration empty, fix your " "configuration file, please"); exit(EXIT_FAILURE); break; } policy = (struct ctd_helper_policy *) &e->data; strncpy(policy->name, (yyvsp[(2) - (5)].string), CTD_HELPER_NAME_LEN); policy->name[CTD_HELPER_NAME_LEN-1] = '\0'; /* Now object is complete. */ e->type = SYMBOL_HELPER_POLICY_EXPECT_ROOT; stack_item_push(&symbol_stack, e); } break; case 264: /* Line 1806 of yacc.c */ #line 1751 "read_config_yy.y" { struct stack_item *e; struct ctd_helper_policy *policy; e = stack_item_pop(&symbol_stack, SYMBOL_HELPER_EXPECT_POLICY_LEAF); if (e == NULL) { e = stack_item_alloc(SYMBOL_HELPER_EXPECT_POLICY_LEAF, sizeof(struct ctd_helper_policy)); } policy = (struct ctd_helper_policy *) &e->data; policy->expect_max = (yyvsp[(2) - (2)].val); stack_item_push(&symbol_stack, e); } break; case 265: /* Line 1806 of yacc.c */ #line 1766 "read_config_yy.y" { struct stack_item *e; struct ctd_helper_policy *policy; e = stack_item_pop(&symbol_stack, SYMBOL_HELPER_EXPECT_POLICY_LEAF); if (e == NULL) { e = stack_item_alloc(SYMBOL_HELPER_EXPECT_POLICY_LEAF, sizeof(struct ctd_helper_policy)); } policy = (struct ctd_helper_policy *) &e->data; policy->expect_timeout = (yyvsp[(2) - (2)].val); stack_item_push(&symbol_stack, e); } break; /* Line 1806 of yacc.c */ #line 4127 "read_config_yy.c" default: break; } /* User semantic actions sometimes alter yychar, and that requires that yytoken be updated with the new translation. We take the approach of translating immediately before every use of yytoken. One alternative is translating here after every semantic action, but that translation would be missed if the semantic action invokes YYABORT, YYACCEPT, or YYERROR immediately after altering yychar or if it invokes YYBACKUP. In the case of YYABORT or YYACCEPT, an incorrect destructor might then be invoked immediately. In the case of YYERROR or YYBACKUP, subsequent parser actions might lead to an incorrect destructor call or verbose syntax error message before the lookahead is translated. */ YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc); YYPOPSTACK (yylen); yylen = 0; YY_STACK_PRINT (yyss, yyssp); *++yyvsp = yyval; /* Now `shift' the result of the reduction. Determine what state that goes to, based on the state we popped back to and the rule number reduced by. */ yyn = yyr1[yyn]; yystate = yypgoto[yyn - YYNTOKENS] + *yyssp; if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp) yystate = yytable[yystate]; else yystate = yydefgoto[yyn - YYNTOKENS]; goto yynewstate; /*------------------------------------. | yyerrlab -- here on detecting error | `------------------------------------*/ yyerrlab: /* Make sure we have latest lookahead translation. See comments at user semantic actions for why this is necessary. */ yytoken = yychar == YYEMPTY ? YYEMPTY : YYTRANSLATE (yychar); /* If not already recovering from an error, report this error. */ if (!yyerrstatus) { ++yynerrs; #if ! YYERROR_VERBOSE yyerror (YY_("syntax error")); #else # define YYSYNTAX_ERROR yysyntax_error (&yymsg_alloc, &yymsg, \ yyssp, yytoken) { char const *yymsgp = YY_("syntax error"); int yysyntax_error_status; yysyntax_error_status = YYSYNTAX_ERROR; if (yysyntax_error_status == 0) yymsgp = yymsg; else if (yysyntax_error_status == 1) { if (yymsg != yymsgbuf) YYSTACK_FREE (yymsg); yymsg = (char *) YYSTACK_ALLOC (yymsg_alloc); if (!yymsg) { yymsg = yymsgbuf; yymsg_alloc = sizeof yymsgbuf; yysyntax_error_status = 2; } else { yysyntax_error_status = YYSYNTAX_ERROR; yymsgp = yymsg; } } yyerror (yymsgp); if (yysyntax_error_status == 2) goto yyexhaustedlab; } # undef YYSYNTAX_ERROR #endif } if (yyerrstatus == 3) { /* If just tried and failed to reuse lookahead token after an error, discard it. */ if (yychar <= YYEOF) { /* Return failure if at end of input. */ if (yychar == YYEOF) YYABORT; } else { yydestruct ("Error: discarding", yytoken, &yylval); yychar = YYEMPTY; } } /* Else will try to reuse lookahead token after shifting the error token. */ goto yyerrlab1; /*---------------------------------------------------. | yyerrorlab -- error raised explicitly by YYERROR. | `---------------------------------------------------*/ yyerrorlab: /* Pacify compilers like GCC when the user code never invokes YYERROR and the label yyerrorlab therefore never appears in user code. */ if (/*CONSTCOND*/ 0) goto yyerrorlab; /* Do not reclaim the symbols of the rule which action triggered this YYERROR. */ YYPOPSTACK (yylen); yylen = 0; YY_STACK_PRINT (yyss, yyssp); yystate = *yyssp; goto yyerrlab1; /*-------------------------------------------------------------. | yyerrlab1 -- common code for both syntax error and YYERROR. | `-------------------------------------------------------------*/ yyerrlab1: yyerrstatus = 3; /* Each real token shifted decrements this. */ for (;;) { yyn = yypact[yystate]; if (!yypact_value_is_default (yyn)) { yyn += YYTERROR; if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) { yyn = yytable[yyn]; if (0 < yyn) break; } } /* Pop the current state because it cannot handle the error token. */ if (yyssp == yyss) YYABORT; yydestruct ("Error: popping", yystos[yystate], yyvsp); YYPOPSTACK (1); yystate = *yyssp; YY_STACK_PRINT (yyss, yyssp); } *++yyvsp = yylval; /* Shift the error token. */ YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp); yystate = yyn; goto yynewstate; /*-------------------------------------. | yyacceptlab -- YYACCEPT comes here. | `-------------------------------------*/ yyacceptlab: yyresult = 0; goto yyreturn; /*-----------------------------------. | yyabortlab -- YYABORT comes here. | `-----------------------------------*/ yyabortlab: yyresult = 1; goto yyreturn; #if !defined(yyoverflow) || YYERROR_VERBOSE /*-------------------------------------------------. | yyexhaustedlab -- memory exhaustion comes here. | `-------------------------------------------------*/ yyexhaustedlab: yyerror (YY_("memory exhausted")); yyresult = 2; /* Fall through. */ #endif yyreturn: if (yychar != YYEMPTY) { /* Make sure we have latest lookahead translation. See comments at user semantic actions for why this is necessary. */ yytoken = YYTRANSLATE (yychar); yydestruct ("Cleanup: discarding lookahead", yytoken, &yylval); } /* Do not reclaim the symbols of the rule which action triggered this YYABORT or YYACCEPT. */ YYPOPSTACK (yylen); YY_STACK_PRINT (yyss, yyssp); while (yyssp != yyss) { yydestruct ("Cleanup: popping", yystos[*yyssp], yyvsp); YYPOPSTACK (1); } #ifndef yyoverflow if (yyss != yyssa) YYSTACK_FREE (yyss); #endif #if YYERROR_VERBOSE if (yymsg != yymsgbuf) YYSTACK_FREE (yymsg); #endif /* Make sure YYID is used. */ return YYID (yyresult); } /* Line 2067 of yacc.c */ #line 1780 "read_config_yy.y" int __attribute__((noreturn)) yyerror(char *msg) { print_err(CTD_CFG_ERROR, "parsing config file in " "line (%d), symbol '%s': %s", yylineno, yytext, msg); exit(EXIT_FAILURE); } static void print_err(int type, const char *msg, ...) { va_list args; va_start(args, msg); switch(type) { case CTD_CFG_ERROR: fprintf(stderr, "ERROR: "); break; case CTD_CFG_WARN: fprintf(stderr, "WARNING: "); break; default: fprintf(stderr, "?: "); } vfprintf(stderr, msg, args); va_end(args); fprintf(stderr,"\n"); } static void __kernel_filter_start(void) { if (!STATE(filter)) { STATE(filter) = nfct_filter_create(); if (!STATE(filter)) { print_err(CTD_CFG_ERROR, "cannot create ignore pool!"); exit(EXIT_FAILURE); } } } static void __kernel_filter_add_state(int value) { __kernel_filter_start(); struct nfct_filter_proto filter_proto = { .proto = IPPROTO_TCP, .state = value }; nfct_filter_add_attr(STATE(filter), NFCT_FILTER_L4PROTO_STATE, &filter_proto); } static void __max_dedicated_links_reached(void) { if (conf.channel_num >= MULTICHANNEL_MAX) { print_err(CTD_CFG_ERROR, "too many dedicated links in " "the configuration file " "(Maximum: %d)", MULTICHANNEL_MAX); exit(EXIT_FAILURE); } } int init_config(char *filename) { FILE *fp; fp = fopen(filename, "r"); if (!fp) return -1; /* Zero may be a valid facility */ CONFIG(syslog_facility) = -1; CONFIG(stats).syslog_facility = -1; CONFIG(netlink).subsys_id = -1; /* Initialize list of user-space helpers */ INIT_LIST_HEAD(&CONFIG(cthelper).list); stack_init(&symbol_stack); yyrestart(fp); yyparse(); fclose(fp); /* set to default is not specified */ if (strcmp(CONFIG(lockfile), "") == 0) strncpy(CONFIG(lockfile), DEFAULT_LOCKFILE, FILENAME_MAXLEN); /* default to 180 seconds of expiration time: cache entries */ if (CONFIG(cache_timeout) == 0) CONFIG(cache_timeout) = 180; /* default to 60 seconds: purge kernel entries */ if (CONFIG(purge_timeout) == 0) CONFIG(purge_timeout) = 60; /* default to 60 seconds of refresh time */ if (CONFIG(refresh) == 0) CONFIG(refresh) = 60; if (CONFIG(resend_queue_size) == 0) CONFIG(resend_queue_size) = 131072; /* default to a window size of 300 packets */ if (CONFIG(window_size) == 0) CONFIG(window_size) = 300; if (CONFIG(event_iterations_limit) == 0) CONFIG(event_iterations_limit) = 100; /* default number of bucket of the hashtable that are committed in one run loop. XXX: no option available to tune this value yet. */ if (CONFIG(general).commit_steps == 0) CONFIG(general).commit_steps = 8192; /* if overrun, automatically resync with kernel after 30 seconds */ if (CONFIG(nl_overrun_resync) == 0) CONFIG(nl_overrun_resync) = 30; /* default to 128 elements in the channel error queue */ if (CONFIG(channelc).error_queue_length == 0) CONFIG(channelc).error_queue_length = 128; if (CONFIG(netlink).subsys_id == -1) { CONFIG(netlink).subsys_id = NFNL_SUBSYS_CTNETLINK; CONFIG(netlink).groups = NF_NETLINK_CONNTRACK_NEW | NF_NETLINK_CONNTRACK_UPDATE | NF_NETLINK_CONNTRACK_DESTROY; } return 0; } conntrack-1.4.3/src/read_config_yy.h000066400000000000000000000156141257407526400174450ustar00rootroot00000000000000/* A Bison parser, made by GNU Bison 2.5. */ /* Bison interface for Yacc-like parsers in C Copyright (C) 1984, 1989-1990, 2000-2011 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 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /* As a special exception, you may create a larger work that contains part or all of the Bison parser skeleton and distribute that work under terms of your choice, so long as that work isn't itself a parser generator using the skeleton or a modified version thereof as a parser skeleton. Alternatively, if you modify or redistribute the parser skeleton itself, you may (at your option) remove this special exception, which will cause the skeleton and the resulting Bison output files to be licensed under the GNU General Public License without this special exception. This special exception was added by the Free Software Foundation in version 2.2 of Bison. */ /* Tokens. */ #ifndef YYTOKENTYPE # define YYTOKENTYPE /* Put the tokens into the symbol table, so that GDB and other debuggers know about them. */ enum yytokentype { T_IPV4_ADDR = 258, T_IPV4_IFACE = 259, T_PORT = 260, T_HASHSIZE = 261, T_HASHLIMIT = 262, T_MULTICAST = 263, T_PATH = 264, T_UNIX = 265, T_REFRESH = 266, T_IPV6_ADDR = 267, T_IPV6_IFACE = 268, T_IGNORE_UDP = 269, T_IGNORE_ICMP = 270, T_IGNORE_TRAFFIC = 271, T_BACKLOG = 272, T_GROUP = 273, T_LOG = 274, T_UDP = 275, T_ICMP = 276, T_IGMP = 277, T_VRRP = 278, T_TCP = 279, T_IGNORE_PROTOCOL = 280, T_LOCK = 281, T_STRIP_NAT = 282, T_BUFFER_SIZE_MAX_GROWN = 283, T_EXPIRE = 284, T_TIMEOUT = 285, T_GENERAL = 286, T_SYNC = 287, T_STATS = 288, T_RELAX_TRANSITIONS = 289, T_BUFFER_SIZE = 290, T_DELAY = 291, T_SYNC_MODE = 292, T_LISTEN_TO = 293, T_FAMILY = 294, T_RESEND_BUFFER_SIZE = 295, T_ALARM = 296, T_FTFW = 297, T_CHECKSUM = 298, T_WINDOWSIZE = 299, T_ON = 300, T_OFF = 301, T_REPLICATE = 302, T_FOR = 303, T_IFACE = 304, T_PURGE = 305, T_RESEND_QUEUE_SIZE = 306, T_ESTABLISHED = 307, T_SYN_SENT = 308, T_SYN_RECV = 309, T_FIN_WAIT = 310, T_CLOSE_WAIT = 311, T_LAST_ACK = 312, T_TIME_WAIT = 313, T_CLOSE = 314, T_LISTEN = 315, T_SYSLOG = 316, T_WRITE_THROUGH = 317, T_STAT_BUFFER_SIZE = 318, T_DESTROY_TIMEOUT = 319, T_RCVBUFF = 320, T_SNDBUFF = 321, T_NOTRACK = 322, T_POLL_SECS = 323, T_FILTER = 324, T_ADDRESS = 325, T_PROTOCOL = 326, T_STATE = 327, T_ACCEPT = 328, T_IGNORE = 329, T_FROM = 330, T_USERSPACE = 331, T_KERNELSPACE = 332, T_EVENT_ITER_LIMIT = 333, T_DEFAULT = 334, T_NETLINK_OVERRUN_RESYNC = 335, T_NICE = 336, T_IPV4_DEST_ADDR = 337, T_IPV6_DEST_ADDR = 338, T_SCHEDULER = 339, T_TYPE = 340, T_PRIO = 341, T_NETLINK_EVENTS_RELIABLE = 342, T_DISABLE_INTERNAL_CACHE = 343, T_DISABLE_EXTERNAL_CACHE = 344, T_ERROR_QUEUE_LENGTH = 345, T_OPTIONS = 346, T_TCP_WINDOW_TRACKING = 347, T_EXPECT_SYNC = 348, T_HELPER = 349, T_HELPER_QUEUE_NUM = 350, T_HELPER_QUEUE_LEN = 351, T_HELPER_POLICY = 352, T_HELPER_EXPECT_TIMEOUT = 353, T_HELPER_EXPECT_MAX = 354, T_IP = 355, T_PATH_VAL = 356, T_NUMBER = 357, T_SIGNED_NUMBER = 358, T_STRING = 359 }; #endif /* Tokens. */ #define T_IPV4_ADDR 258 #define T_IPV4_IFACE 259 #define T_PORT 260 #define T_HASHSIZE 261 #define T_HASHLIMIT 262 #define T_MULTICAST 263 #define T_PATH 264 #define T_UNIX 265 #define T_REFRESH 266 #define T_IPV6_ADDR 267 #define T_IPV6_IFACE 268 #define T_IGNORE_UDP 269 #define T_IGNORE_ICMP 270 #define T_IGNORE_TRAFFIC 271 #define T_BACKLOG 272 #define T_GROUP 273 #define T_LOG 274 #define T_UDP 275 #define T_ICMP 276 #define T_IGMP 277 #define T_VRRP 278 #define T_TCP 279 #define T_IGNORE_PROTOCOL 280 #define T_LOCK 281 #define T_STRIP_NAT 282 #define T_BUFFER_SIZE_MAX_GROWN 283 #define T_EXPIRE 284 #define T_TIMEOUT 285 #define T_GENERAL 286 #define T_SYNC 287 #define T_STATS 288 #define T_RELAX_TRANSITIONS 289 #define T_BUFFER_SIZE 290 #define T_DELAY 291 #define T_SYNC_MODE 292 #define T_LISTEN_TO 293 #define T_FAMILY 294 #define T_RESEND_BUFFER_SIZE 295 #define T_ALARM 296 #define T_FTFW 297 #define T_CHECKSUM 298 #define T_WINDOWSIZE 299 #define T_ON 300 #define T_OFF 301 #define T_REPLICATE 302 #define T_FOR 303 #define T_IFACE 304 #define T_PURGE 305 #define T_RESEND_QUEUE_SIZE 306 #define T_ESTABLISHED 307 #define T_SYN_SENT 308 #define T_SYN_RECV 309 #define T_FIN_WAIT 310 #define T_CLOSE_WAIT 311 #define T_LAST_ACK 312 #define T_TIME_WAIT 313 #define T_CLOSE 314 #define T_LISTEN 315 #define T_SYSLOG 316 #define T_WRITE_THROUGH 317 #define T_STAT_BUFFER_SIZE 318 #define T_DESTROY_TIMEOUT 319 #define T_RCVBUFF 320 #define T_SNDBUFF 321 #define T_NOTRACK 322 #define T_POLL_SECS 323 #define T_FILTER 324 #define T_ADDRESS 325 #define T_PROTOCOL 326 #define T_STATE 327 #define T_ACCEPT 328 #define T_IGNORE 329 #define T_FROM 330 #define T_USERSPACE 331 #define T_KERNELSPACE 332 #define T_EVENT_ITER_LIMIT 333 #define T_DEFAULT 334 #define T_NETLINK_OVERRUN_RESYNC 335 #define T_NICE 336 #define T_IPV4_DEST_ADDR 337 #define T_IPV6_DEST_ADDR 338 #define T_SCHEDULER 339 #define T_TYPE 340 #define T_PRIO 341 #define T_NETLINK_EVENTS_RELIABLE 342 #define T_DISABLE_INTERNAL_CACHE 343 #define T_DISABLE_EXTERNAL_CACHE 344 #define T_ERROR_QUEUE_LENGTH 345 #define T_OPTIONS 346 #define T_TCP_WINDOW_TRACKING 347 #define T_EXPECT_SYNC 348 #define T_HELPER 349 #define T_HELPER_QUEUE_NUM 350 #define T_HELPER_QUEUE_LEN 351 #define T_HELPER_POLICY 352 #define T_HELPER_EXPECT_TIMEOUT 353 #define T_HELPER_EXPECT_MAX 354 #define T_IP 355 #define T_PATH_VAL 356 #define T_NUMBER 357 #define T_SIGNED_NUMBER 358 #define T_STRING 359 #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED typedef union YYSTYPE { /* Line 2068 of yacc.c */ #line 66 "read_config_yy.y" int val; char *string; /* Line 2068 of yacc.c */ #line 265 "read_config_yy.h" } YYSTYPE; # define YYSTYPE_IS_TRIVIAL 1 # define yystype YYSTYPE /* obsolescent; will be withdrawn */ # define YYSTYPE_IS_DECLARED 1 #endif extern YYSTYPE yylval; conntrack-1.4.3/src/read_config_yy.y000066400000000000000000001274061257407526400174710ustar00rootroot00000000000000%{ /* * (C) 2006-2009 by Pablo Neira Ayuso * * 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. * * Description: configuration file abstract grammar */ #include #include #include #include #include #include #include "conntrackd.h" #include "bitops.h" #include "cidr.h" #include "helper.h" #include "stack.h" #include #include #include #include #include extern char *yytext; extern int yylineno; struct ct_conf conf; enum { CTD_CFG_ERROR = 0, CTD_CFG_WARN, }; static void print_err(int err, const char *msg, ...); static void __kernel_filter_start(void); static void __kernel_filter_add_state(int value); static void __max_dedicated_links_reached(void); struct stack symbol_stack; enum { SYMBOL_HELPER_QUEUE_NUM, SYMBOL_HELPER_QUEUE_LEN, SYMBOL_HELPER_POLICY_EXPECT_ROOT, SYMBOL_HELPER_EXPECT_POLICY_LEAF, }; %} %union { int val; char *string; } %token T_IPV4_ADDR T_IPV4_IFACE T_PORT T_HASHSIZE T_HASHLIMIT T_MULTICAST %token T_PATH T_UNIX T_REFRESH T_IPV6_ADDR T_IPV6_IFACE %token T_IGNORE_UDP T_IGNORE_ICMP T_IGNORE_TRAFFIC T_BACKLOG T_GROUP %token T_LOG T_UDP T_ICMP T_IGMP T_VRRP T_TCP T_IGNORE_PROTOCOL %token T_LOCK T_STRIP_NAT T_BUFFER_SIZE_MAX_GROWN T_EXPIRE T_TIMEOUT %token T_GENERAL T_SYNC T_STATS T_RELAX_TRANSITIONS T_BUFFER_SIZE T_DELAY %token T_SYNC_MODE T_LISTEN_TO T_FAMILY T_RESEND_BUFFER_SIZE %token T_ALARM T_FTFW T_CHECKSUM T_WINDOWSIZE T_ON T_OFF %token T_REPLICATE T_FOR T_IFACE T_PURGE T_RESEND_QUEUE_SIZE %token T_ESTABLISHED T_SYN_SENT T_SYN_RECV T_FIN_WAIT %token T_CLOSE_WAIT T_LAST_ACK T_TIME_WAIT T_CLOSE T_LISTEN %token T_SYSLOG T_WRITE_THROUGH T_STAT_BUFFER_SIZE T_DESTROY_TIMEOUT %token T_RCVBUFF T_SNDBUFF T_NOTRACK T_POLL_SECS %token T_FILTER T_ADDRESS T_PROTOCOL T_STATE T_ACCEPT T_IGNORE %token T_FROM T_USERSPACE T_KERNELSPACE T_EVENT_ITER_LIMIT T_DEFAULT %token T_NETLINK_OVERRUN_RESYNC T_NICE T_IPV4_DEST_ADDR T_IPV6_DEST_ADDR %token T_SCHEDULER T_TYPE T_PRIO T_NETLINK_EVENTS_RELIABLE %token T_DISABLE_INTERNAL_CACHE T_DISABLE_EXTERNAL_CACHE T_ERROR_QUEUE_LENGTH %token T_OPTIONS T_TCP_WINDOW_TRACKING T_EXPECT_SYNC %token T_HELPER T_HELPER_QUEUE_NUM T_HELPER_QUEUE_LEN T_HELPER_POLICY %token T_HELPER_EXPECT_TIMEOUT T_HELPER_EXPECT_MAX %token T_IP T_PATH_VAL %token T_NUMBER %token T_SIGNED_NUMBER %token T_STRING %% configfile : | lines ; lines : line | lines line ; line : ignore_protocol | ignore_traffic | strip_nat | general | sync | stats | helper ; logfile_bool : T_LOG T_ON { strncpy(conf.logfile, DEFAULT_LOGFILE, FILENAME_MAXLEN); }; logfile_bool : T_LOG T_OFF { }; logfile_path : T_LOG T_PATH_VAL { strncpy(conf.logfile, $2, FILENAME_MAXLEN); }; syslog_bool : T_SYSLOG T_ON { conf.syslog_facility = DEFAULT_SYSLOG_FACILITY; }; syslog_bool : T_SYSLOG T_OFF { conf.syslog_facility = -1; } syslog_facility : T_SYSLOG T_STRING { if (!strcmp($2, "daemon")) conf.syslog_facility = LOG_DAEMON; else if (!strcmp($2, "local0")) conf.syslog_facility = LOG_LOCAL0; else if (!strcmp($2, "local1")) conf.syslog_facility = LOG_LOCAL1; else if (!strcmp($2, "local2")) conf.syslog_facility = LOG_LOCAL2; else if (!strcmp($2, "local3")) conf.syslog_facility = LOG_LOCAL3; else if (!strcmp($2, "local4")) conf.syslog_facility = LOG_LOCAL4; else if (!strcmp($2, "local5")) conf.syslog_facility = LOG_LOCAL5; else if (!strcmp($2, "local6")) conf.syslog_facility = LOG_LOCAL6; else if (!strcmp($2, "local7")) conf.syslog_facility = LOG_LOCAL7; else { print_err(CTD_CFG_WARN, "'%s' is not a known syslog facility, " "ignoring", $2); break; } if (conf.stats.syslog_facility != -1 && conf.syslog_facility != conf.stats.syslog_facility) print_err(CTD_CFG_WARN, "conflicting Syslog facility " "values, defaulting to General"); }; lock : T_LOCK T_PATH_VAL { strncpy(conf.lockfile, $2, FILENAME_MAXLEN); }; strip_nat: T_STRIP_NAT { print_err(CTD_CFG_WARN, "`StripNAT' clause is obsolete, ignoring"); }; refreshtime : T_REFRESH T_NUMBER { conf.refresh = $2; }; expiretime: T_EXPIRE T_NUMBER { conf.cache_timeout = $2; }; timeout: T_TIMEOUT T_NUMBER { conf.commit_timeout = $2; }; purge: T_PURGE T_NUMBER { conf.purge_timeout = $2; }; checksum: T_CHECKSUM T_ON { print_err(CTD_CFG_WARN, "the use of `Checksum' outside the " "`Multicast' clause is ambiguous"); /* * XXX: The use of Checksum outside of the Multicast clause is broken * if we have more than one dedicated links. */ conf.channel[0].u.mcast.checksum = 0; }; checksum: T_CHECKSUM T_OFF { print_err(CTD_CFG_WARN, "the use of `Checksum' outside the " "`Multicast' clause is ambiguous"); /* * XXX: The use of Checksum outside of the Multicast clause is broken * if we have more than one dedicated links. */ conf.channel[0].u.mcast.checksum = 1; }; ignore_traffic : T_IGNORE_TRAFFIC '{' ignore_traffic_options '}' { ct_filter_set_logic(STATE(us_filter), CT_FILTER_ADDRESS, CT_FILTER_NEGATIVE); print_err(CTD_CFG_WARN, "the clause `IgnoreTrafficFor' is obsolete. " "Use `Filter' instead"); }; ignore_traffic_options : | ignore_traffic_options ignore_traffic_option; ignore_traffic_option : T_IPV4_ADDR T_IP { union inet_address ip; memset(&ip, 0, sizeof(union inet_address)); if (!inet_aton($2, &ip.ipv4)) { print_err(CTD_CFG_WARN, "%s is not a valid IPv4, " "ignoring", $2); break; } if (!ct_filter_add_ip(STATE(us_filter), &ip, AF_INET)) { if (errno == EEXIST) print_err(CTD_CFG_WARN, "IP %s is repeated " "in the ignore pool", $2); if (errno == ENOSPC) print_err(CTD_CFG_WARN, "too many IP in the " "ignore pool!"); } }; ignore_traffic_option : T_IPV6_ADDR T_IP { union inet_address ip; memset(&ip, 0, sizeof(union inet_address)); #ifdef HAVE_INET_PTON_IPV6 if (inet_pton(AF_INET6, $2, &ip.ipv6) <= 0) { print_err(CTD_CFG_WARN, "%s is not a valid IPv6, ignoring", $2); break; } #else print_err(CTD_CFG_WARN, "cannot find inet_pton(), IPv6 unsupported!"); #endif if (!ct_filter_add_ip(STATE(us_filter), &ip, AF_INET6)) { if (errno == EEXIST) print_err(CTD_CFG_WARN, "IP %s is repeated " "in the ignore pool", $2); if (errno == ENOSPC) print_err(CTD_CFG_WARN, "too many IP in the " "ignore pool!"); } }; multicast_line : T_MULTICAST '{' multicast_options '}' { if (conf.channel_type_global != CHANNEL_NONE && conf.channel_type_global != CHANNEL_MCAST) { print_err(CTD_CFG_ERROR, "cannot use `Multicast' with other " "dedicated link protocols!"); exit(EXIT_FAILURE); } conf.channel_type_global = CHANNEL_MCAST; conf.channel[conf.channel_num].channel_type = CHANNEL_MCAST; conf.channel[conf.channel_num].channel_flags = CHANNEL_F_BUFFERED; conf.channel_num++; }; multicast_line : T_MULTICAST T_DEFAULT '{' multicast_options '}' { if (conf.channel_type_global != CHANNEL_NONE && conf.channel_type_global != CHANNEL_MCAST) { print_err(CTD_CFG_ERROR, "cannot use `Multicast' with other " "dedicated link protocols!"); exit(EXIT_FAILURE); } conf.channel_type_global = CHANNEL_MCAST; conf.channel[conf.channel_num].channel_type = CHANNEL_MCAST; conf.channel[conf.channel_num].channel_flags = CHANNEL_F_DEFAULT | CHANNEL_F_BUFFERED; conf.channel_default = conf.channel_num; conf.channel_num++; }; multicast_options : | multicast_options multicast_option; multicast_option : T_IPV4_ADDR T_IP { __max_dedicated_links_reached(); if (!inet_aton($2, &conf.channel[conf.channel_num].u.mcast.in)) { print_err(CTD_CFG_WARN, "%s is not a valid IPv4 address", $2); break; } if (conf.channel[conf.channel_num].u.mcast.ipproto == AF_INET6) { print_err(CTD_CFG_WARN, "your multicast address is IPv4 but " "is binded to an IPv6 interface? " "Surely, this is not what you want"); break; } conf.channel[conf.channel_num].u.mcast.ipproto = AF_INET; }; multicast_option : T_IPV6_ADDR T_IP { __max_dedicated_links_reached(); #ifdef HAVE_INET_PTON_IPV6 if (inet_pton(AF_INET6, $2, &conf.channel[conf.channel_num].u.mcast.in) <= 0) { print_err(CTD_CFG_WARN, "%s is not a valid IPv6 address", $2); break; } #else print_err(CTD_CFG_WARN, "cannot find inet_pton(), IPv6 unsupported!"); break; #endif if (conf.channel[conf.channel_num].u.mcast.ipproto == AF_INET) { print_err(CTD_CFG_WARN, "your multicast address is IPv6 but " "is binded to an IPv4 interface? " "Surely this is not what you want"); break; } conf.channel[conf.channel_num].u.mcast.ipproto = AF_INET6; if (conf.channel[conf.channel_num].channel_ifname[0] && !conf.channel[conf.channel_num].u.mcast.ifa.interface_index6) { unsigned int idx; idx = if_nametoindex($2); if (!idx) { print_err(CTD_CFG_WARN, "%s is an invalid interface", $2); break; } conf.channel[conf.channel_num].u.mcast.ifa.interface_index6 = idx; conf.channel[conf.channel_num].u.mcast.ipproto = AF_INET6; } }; multicast_option : T_IPV4_IFACE T_IP { __max_dedicated_links_reached(); if (!inet_aton($2, &conf.channel[conf.channel_num].u.mcast.ifa)) { print_err(CTD_CFG_WARN, "%s is not a valid IPv4 address", $2); break; } if (conf.channel[conf.channel_num].u.mcast.ipproto == AF_INET6) { print_err(CTD_CFG_WARN, "your multicast interface is IPv4 but " "is binded to an IPv6 interface? " "Surely, this is not what you want"); break; } conf.channel[conf.channel_num].u.mcast.ipproto = AF_INET; }; multicast_option : T_IPV6_IFACE T_IP { print_err(CTD_CFG_WARN, "`IPv6_interface' not required, ignoring"); } multicast_option : T_IFACE T_STRING { unsigned int idx; __max_dedicated_links_reached(); strncpy(conf.channel[conf.channel_num].channel_ifname, $2, IFNAMSIZ); idx = if_nametoindex($2); if (!idx) { print_err(CTD_CFG_WARN, "%s is an invalid interface", $2); break; } if (conf.channel[conf.channel_num].u.mcast.ipproto == AF_INET6) { conf.channel[conf.channel_num].u.mcast.ifa.interface_index6 = idx; conf.channel[conf.channel_num].u.mcast.ipproto = AF_INET6; } }; multicast_option : T_BACKLOG T_NUMBER { print_err(CTD_CFG_WARN, "`Backlog' option inside Multicast clause is " "obsolete. Please, remove it from " "conntrackd.conf"); }; multicast_option : T_GROUP T_NUMBER { __max_dedicated_links_reached(); conf.channel[conf.channel_num].u.mcast.port = $2; }; multicast_option: T_SNDBUFF T_NUMBER { __max_dedicated_links_reached(); conf.channel[conf.channel_num].u.mcast.sndbuf = $2; }; multicast_option: T_RCVBUFF T_NUMBER { __max_dedicated_links_reached(); conf.channel[conf.channel_num].u.mcast.rcvbuf = $2; }; multicast_option: T_CHECKSUM T_ON { __max_dedicated_links_reached(); conf.channel[conf.channel_num].u.mcast.checksum = 0; }; multicast_option: T_CHECKSUM T_OFF { __max_dedicated_links_reached(); conf.channel[conf.channel_num].u.mcast.checksum = 1; }; udp_line : T_UDP '{' udp_options '}' { if (conf.channel_type_global != CHANNEL_NONE && conf.channel_type_global != CHANNEL_UDP) { print_err(CTD_CFG_ERROR, "cannot use `UDP' with other " "dedicated link protocols!"); exit(EXIT_FAILURE); } conf.channel_type_global = CHANNEL_UDP; conf.channel[conf.channel_num].channel_type = CHANNEL_UDP; conf.channel[conf.channel_num].channel_flags = CHANNEL_F_BUFFERED; conf.channel_num++; }; udp_line : T_UDP T_DEFAULT '{' udp_options '}' { if (conf.channel_type_global != CHANNEL_NONE && conf.channel_type_global != CHANNEL_UDP) { print_err(CTD_CFG_ERROR, "cannot use `UDP' with other " "dedicated link protocols!"); exit(EXIT_FAILURE); } conf.channel_type_global = CHANNEL_UDP; conf.channel[conf.channel_num].channel_type = CHANNEL_UDP; conf.channel[conf.channel_num].channel_flags = CHANNEL_F_DEFAULT | CHANNEL_F_BUFFERED; conf.channel_default = conf.channel_num; conf.channel_num++; }; udp_options : | udp_options udp_option; udp_option : T_IPV4_ADDR T_IP { __max_dedicated_links_reached(); if (!inet_aton($2, &conf.channel[conf.channel_num].u.udp.server.ipv4)) { print_err(CTD_CFG_WARN, "%s is not a valid IPv4 address", $2); break; } conf.channel[conf.channel_num].u.udp.ipproto = AF_INET; }; udp_option : T_IPV6_ADDR T_IP { __max_dedicated_links_reached(); #ifdef HAVE_INET_PTON_IPV6 if (inet_pton(AF_INET6, $2, &conf.channel[conf.channel_num].u.udp.server.ipv6) <= 0) { print_err(CTD_CFG_WARN, "%s is not a valid IPv6 address", $2); break; } #else print_err(CTD_CFG_WARN, "cannot find inet_pton(), IPv6 unsupported!"); break; #endif conf.channel[conf.channel_num].u.udp.ipproto = AF_INET6; }; udp_option : T_IPV4_DEST_ADDR T_IP { __max_dedicated_links_reached(); if (!inet_aton($2, &conf.channel[conf.channel_num].u.udp.client)) { print_err(CTD_CFG_WARN, "%s is not a valid IPv4 address", $2); break; } conf.channel[conf.channel_num].u.udp.ipproto = AF_INET; }; udp_option : T_IPV6_DEST_ADDR T_IP { __max_dedicated_links_reached(); #ifdef HAVE_INET_PTON_IPV6 if (inet_pton(AF_INET6, $2, &conf.channel[conf.channel_num].u.udp.client) <= 0) { print_err(CTD_CFG_WARN, "%s is not a valid IPv6 address", $2); break; } #else print_err(CTD_CFG_WARN, "cannot find inet_pton(), IPv6 unsupported!"); break; #endif conf.channel[conf.channel_num].u.udp.ipproto = AF_INET6; }; udp_option : T_IFACE T_STRING { int idx; __max_dedicated_links_reached(); strncpy(conf.channel[conf.channel_num].channel_ifname, $2, IFNAMSIZ); idx = if_nametoindex($2); if (!idx) { print_err(CTD_CFG_WARN, "%s is an invalid interface", $2); break; } conf.channel[conf.channel_num].u.udp.server.ipv6.scope_id = idx; }; udp_option : T_PORT T_NUMBER { __max_dedicated_links_reached(); conf.channel[conf.channel_num].u.udp.port = $2; }; udp_option: T_SNDBUFF T_NUMBER { __max_dedicated_links_reached(); conf.channel[conf.channel_num].u.udp.sndbuf = $2; }; udp_option: T_RCVBUFF T_NUMBER { __max_dedicated_links_reached(); conf.channel[conf.channel_num].u.udp.rcvbuf = $2; }; udp_option: T_CHECKSUM T_ON { __max_dedicated_links_reached(); conf.channel[conf.channel_num].u.udp.checksum = 0; }; udp_option: T_CHECKSUM T_OFF { __max_dedicated_links_reached(); conf.channel[conf.channel_num].u.udp.checksum = 1; }; tcp_line : T_TCP '{' tcp_options '}' { if (conf.channel_type_global != CHANNEL_NONE && conf.channel_type_global != CHANNEL_TCP) { print_err(CTD_CFG_ERROR, "cannot use `TCP' with other " "dedicated link protocols!"); exit(EXIT_FAILURE); } conf.channel_type_global = CHANNEL_TCP; conf.channel[conf.channel_num].channel_type = CHANNEL_TCP; conf.channel[conf.channel_num].channel_flags = CHANNEL_F_BUFFERED | CHANNEL_F_STREAM | CHANNEL_F_ERRORS; conf.channel_num++; }; tcp_line : T_TCP T_DEFAULT '{' tcp_options '}' { if (conf.channel_type_global != CHANNEL_NONE && conf.channel_type_global != CHANNEL_TCP) { print_err(CTD_CFG_ERROR, "cannot use `TCP' with other " "dedicated link protocols!"); exit(EXIT_FAILURE); } conf.channel_type_global = CHANNEL_TCP; conf.channel[conf.channel_num].channel_type = CHANNEL_TCP; conf.channel[conf.channel_num].channel_flags = CHANNEL_F_DEFAULT | CHANNEL_F_BUFFERED | CHANNEL_F_STREAM | CHANNEL_F_ERRORS; conf.channel_default = conf.channel_num; conf.channel_num++; }; tcp_options : | tcp_options tcp_option; tcp_option : T_IPV4_ADDR T_IP { __max_dedicated_links_reached(); if (!inet_aton($2, &conf.channel[conf.channel_num].u.tcp.server.ipv4)) { print_err(CTD_CFG_WARN, "%s is not a valid IPv4 address", $2); break; } conf.channel[conf.channel_num].u.tcp.ipproto = AF_INET; }; tcp_option : T_IPV6_ADDR T_IP { __max_dedicated_links_reached(); #ifdef HAVE_INET_PTON_IPV6 if (inet_pton(AF_INET6, $2, &conf.channel[conf.channel_num].u.tcp.server.ipv6) <= 0) { print_err(CTD_CFG_WARN, "%s is not a valid IPv6 address", $2); break; } #else print_err(CTD_CFG_WARN, "cannot find inet_pton(), IPv6 unsupported!"); break; #endif conf.channel[conf.channel_num].u.tcp.ipproto = AF_INET6; }; tcp_option : T_IPV4_DEST_ADDR T_IP { __max_dedicated_links_reached(); if (!inet_aton($2, &conf.channel[conf.channel_num].u.tcp.client)) { print_err(CTD_CFG_WARN, "%s is not a valid IPv4 address", $2); break; } conf.channel[conf.channel_num].u.tcp.ipproto = AF_INET; }; tcp_option : T_IPV6_DEST_ADDR T_IP { __max_dedicated_links_reached(); #ifdef HAVE_INET_PTON_IPV6 if (inet_pton(AF_INET6, $2, &conf.channel[conf.channel_num].u.tcp.client) <= 0) { print_err(CTD_CFG_WARN, "%s is not a valid IPv6 address", $2); break; } #else print_err(CTD_CFG_WARN, "cannot find inet_pton(), IPv6 unsupported!"); break; #endif conf.channel[conf.channel_num].u.tcp.ipproto = AF_INET6; }; tcp_option : T_IFACE T_STRING { int idx; __max_dedicated_links_reached(); strncpy(conf.channel[conf.channel_num].channel_ifname, $2, IFNAMSIZ); idx = if_nametoindex($2); if (!idx) { print_err(CTD_CFG_WARN, "%s is an invalid interface", $2); break; } conf.channel[conf.channel_num].u.tcp.server.ipv6.scope_id = idx; }; tcp_option : T_PORT T_NUMBER { __max_dedicated_links_reached(); conf.channel[conf.channel_num].u.tcp.port = $2; }; tcp_option: T_SNDBUFF T_NUMBER { __max_dedicated_links_reached(); conf.channel[conf.channel_num].u.tcp.sndbuf = $2; }; tcp_option: T_RCVBUFF T_NUMBER { __max_dedicated_links_reached(); conf.channel[conf.channel_num].u.tcp.rcvbuf = $2; }; tcp_option: T_CHECKSUM T_ON { __max_dedicated_links_reached(); conf.channel[conf.channel_num].u.tcp.checksum = 0; }; tcp_option: T_CHECKSUM T_OFF { __max_dedicated_links_reached(); conf.channel[conf.channel_num].u.tcp.checksum = 1; }; tcp_option: T_ERROR_QUEUE_LENGTH T_NUMBER { __max_dedicated_links_reached(); CONFIG(channelc).error_queue_length = $2; }; hashsize : T_HASHSIZE T_NUMBER { conf.hashsize = $2; }; hashlimit: T_HASHLIMIT T_NUMBER { conf.limit = $2; }; unix_line: T_UNIX '{' unix_options '}'; unix_options: | unix_options unix_option ; unix_option : T_PATH T_PATH_VAL { strcpy(conf.local.path, $2); }; unix_option : T_BACKLOG T_NUMBER { conf.local.backlog = $2; }; ignore_protocol: T_IGNORE_PROTOCOL '{' ignore_proto_list '}' { ct_filter_set_logic(STATE(us_filter), CT_FILTER_L4PROTO, CT_FILTER_NEGATIVE); print_err(CTD_CFG_WARN, "the clause `IgnoreProtocol' is " "obsolete. Use `Filter' instead"); }; ignore_proto_list: | ignore_proto_list ignore_proto ; ignore_proto: T_NUMBER { if ($1 < IPPROTO_MAX) ct_filter_add_proto(STATE(us_filter), $1); else print_err(CTD_CFG_WARN, "protocol number `%d' is freak", $1); }; ignore_proto: T_STRING { struct protoent *pent; pent = getprotobyname($1); if (pent == NULL) { print_err(CTD_CFG_WARN, "getprotobyname() cannot find " "protocol `%s' in /etc/protocols", $1); break; } ct_filter_add_proto(STATE(us_filter), pent->p_proto); }; sync: T_SYNC '{' sync_list '}' { if (conf.flags & CTD_STATS_MODE) { print_err(CTD_CFG_ERROR, "cannot use both `Stats' and `Sync' " "clauses in conntrackd.conf"); exit(EXIT_FAILURE); } conf.flags |= CTD_SYNC_MODE; }; sync_list: | sync_list sync_line; sync_line: refreshtime | expiretime | timeout | purge | checksum | multicast_line | udp_line | tcp_line | relax_transitions | delay_destroy_msgs | sync_mode_alarm | sync_mode_ftfw | sync_mode_notrack | listen_to | state_replication | cache_writethrough | destroy_timeout | option_line ; option_line: T_OPTIONS '{' options '}'; options: | options option ; option: T_TCP_WINDOW_TRACKING T_ON { CONFIG(sync).tcp_window_tracking = 1; }; option: T_TCP_WINDOW_TRACKING T_OFF { CONFIG(sync).tcp_window_tracking = 0; }; option: T_EXPECT_SYNC T_ON { CONFIG(flags) |= CTD_EXPECT; CONFIG(netlink).subsys_id = NFNL_SUBSYS_NONE; CONFIG(netlink).groups = NF_NETLINK_CONNTRACK_NEW | NF_NETLINK_CONNTRACK_UPDATE | NF_NETLINK_CONNTRACK_DESTROY | NF_NETLINK_CONNTRACK_EXP_NEW | NF_NETLINK_CONNTRACK_EXP_UPDATE | NF_NETLINK_CONNTRACK_EXP_DESTROY; }; option: T_EXPECT_SYNC T_OFF { CONFIG(netlink).subsys_id = NFNL_SUBSYS_CTNETLINK; CONFIG(netlink).groups = NF_NETLINK_CONNTRACK_NEW | NF_NETLINK_CONNTRACK_UPDATE | NF_NETLINK_CONNTRACK_DESTROY; }; option: T_EXPECT_SYNC '{' expect_list '}' { CONFIG(flags) |= CTD_EXPECT; CONFIG(netlink).subsys_id = NFNL_SUBSYS_NONE; CONFIG(netlink).groups = NF_NETLINK_CONNTRACK_NEW | NF_NETLINK_CONNTRACK_UPDATE | NF_NETLINK_CONNTRACK_DESTROY | NF_NETLINK_CONNTRACK_EXP_NEW | NF_NETLINK_CONNTRACK_EXP_UPDATE | NF_NETLINK_CONNTRACK_EXP_DESTROY; }; expect_list: | expect_list expect_item ; expect_item: T_STRING { exp_filter_add(STATE(exp_filter), $1); } sync_mode_alarm: T_SYNC_MODE T_ALARM '{' sync_mode_alarm_list '}' { conf.flags |= CTD_SYNC_ALARM; }; sync_mode_ftfw: T_SYNC_MODE T_FTFW '{' sync_mode_ftfw_list '}' { conf.flags |= CTD_SYNC_FTFW; }; sync_mode_notrack: T_SYNC_MODE T_NOTRACK '{' sync_mode_notrack_list '}' { conf.flags |= CTD_SYNC_NOTRACK; }; sync_mode_alarm_list: | sync_mode_alarm_list sync_mode_alarm_line; sync_mode_alarm_line: refreshtime | expiretime | timeout | purge | relax_transitions | delay_destroy_msgs ; sync_mode_ftfw_list: | sync_mode_ftfw_list sync_mode_ftfw_line; sync_mode_ftfw_line: resend_queue_size | resend_buffer_size | timeout | purge | window_size | disable_external_cache ; sync_mode_notrack_list: | sync_mode_notrack_list sync_mode_notrack_line; sync_mode_notrack_line: timeout | purge | disable_internal_cache | disable_external_cache ; disable_internal_cache: T_DISABLE_INTERNAL_CACHE T_ON { conf.sync.internal_cache_disable = 1; }; disable_internal_cache: T_DISABLE_INTERNAL_CACHE T_OFF { conf.sync.internal_cache_disable = 0; }; disable_external_cache: T_DISABLE_EXTERNAL_CACHE T_ON { conf.sync.external_cache_disable = 1; }; disable_external_cache: T_DISABLE_EXTERNAL_CACHE T_OFF { conf.sync.external_cache_disable = 0; }; resend_buffer_size: T_RESEND_BUFFER_SIZE T_NUMBER { print_err(CTD_CFG_WARN, "`ResendBufferSize' is deprecated. " "Use `ResendQueueSize' instead"); }; resend_queue_size: T_RESEND_QUEUE_SIZE T_NUMBER { conf.resend_queue_size = $2; }; window_size: T_WINDOWSIZE T_NUMBER { conf.window_size = $2; }; destroy_timeout: T_DESTROY_TIMEOUT T_NUMBER { print_err(CTD_CFG_WARN, "`DestroyTimeout' is deprecated. Remove it"); }; relax_transitions: T_RELAX_TRANSITIONS { print_err(CTD_CFG_WARN, "`RelaxTransitions' clause is obsolete. " "Please, remove it from conntrackd.conf"); }; delay_destroy_msgs: T_DELAY { print_err(CTD_CFG_WARN, "`DelayDestroyMessages' clause is obsolete. " "Please, remove it from conntrackd.conf"); }; listen_to: T_LISTEN_TO T_IP { print_err(CTD_CFG_WARN, "the clause `ListenTo' is obsolete, ignoring"); }; state_replication: T_REPLICATE states T_FOR state_proto { ct_filter_set_logic(STATE(us_filter), CT_FILTER_STATE, CT_FILTER_POSITIVE); print_err(CTD_CFG_WARN, "the clause `Replicate' is obsolete. " "Use `Filter' instead"); }; states: | states state; state_proto: T_STRING { if (strncmp($1, "TCP", strlen("TCP")) != 0) { print_err(CTD_CFG_WARN, "unsupported protocol `%s' in line %d", $1, yylineno); } }; state: tcp_state; tcp_states: | tcp_states tcp_state; tcp_state: T_SYN_SENT { ct_filter_add_state(STATE(us_filter), IPPROTO_TCP, TCP_CONNTRACK_SYN_SENT); __kernel_filter_add_state(TCP_CONNTRACK_SYN_SENT); }; tcp_state: T_SYN_RECV { ct_filter_add_state(STATE(us_filter), IPPROTO_TCP, TCP_CONNTRACK_SYN_RECV); __kernel_filter_add_state(TCP_CONNTRACK_SYN_RECV); }; tcp_state: T_ESTABLISHED { ct_filter_add_state(STATE(us_filter), IPPROTO_TCP, TCP_CONNTRACK_ESTABLISHED); __kernel_filter_add_state(TCP_CONNTRACK_ESTABLISHED); }; tcp_state: T_FIN_WAIT { ct_filter_add_state(STATE(us_filter), IPPROTO_TCP, TCP_CONNTRACK_FIN_WAIT); __kernel_filter_add_state(TCP_CONNTRACK_FIN_WAIT); }; tcp_state: T_CLOSE_WAIT { ct_filter_add_state(STATE(us_filter), IPPROTO_TCP, TCP_CONNTRACK_CLOSE_WAIT); __kernel_filter_add_state(TCP_CONNTRACK_CLOSE_WAIT); }; tcp_state: T_LAST_ACK { ct_filter_add_state(STATE(us_filter), IPPROTO_TCP, TCP_CONNTRACK_LAST_ACK); __kernel_filter_add_state(TCP_CONNTRACK_LAST_ACK); }; tcp_state: T_TIME_WAIT { ct_filter_add_state(STATE(us_filter), IPPROTO_TCP, TCP_CONNTRACK_TIME_WAIT); __kernel_filter_add_state(TCP_CONNTRACK_TIME_WAIT); }; tcp_state: T_CLOSE { ct_filter_add_state(STATE(us_filter), IPPROTO_TCP, TCP_CONNTRACK_CLOSE); __kernel_filter_add_state(TCP_CONNTRACK_CLOSE); }; tcp_state: T_LISTEN { ct_filter_add_state(STATE(us_filter), IPPROTO_TCP, TCP_CONNTRACK_LISTEN); __kernel_filter_add_state(TCP_CONNTRACK_LISTEN); }; cache_writethrough: T_WRITE_THROUGH T_ON { print_err(CTD_CFG_WARN, "`CacheWriteThrough' clause is obsolete, " "ignoring"); }; cache_writethrough: T_WRITE_THROUGH T_OFF { print_err(CTD_CFG_WARN, "`CacheWriteThrough' clause is obsolete, " "ignoring"); }; general: T_GENERAL '{' general_list '}'; general_list: | general_list general_line ; general_line: hashsize | hashlimit | logfile_bool | logfile_path | syslog_facility | syslog_bool | lock | unix_line | netlink_buffer_size | netlink_buffer_size_max_grown | family | event_iterations_limit | poll_secs | filter | netlink_overrun_resync | netlink_events_reliable | nice | scheduler ; netlink_buffer_size: T_BUFFER_SIZE T_NUMBER { conf.netlink_buffer_size = $2; }; netlink_buffer_size_max_grown : T_BUFFER_SIZE_MAX_GROWN T_NUMBER { conf.netlink_buffer_size_max_grown = $2; }; netlink_overrun_resync : T_NETLINK_OVERRUN_RESYNC T_ON { conf.nl_overrun_resync = 30; }; netlink_overrun_resync : T_NETLINK_OVERRUN_RESYNC T_OFF { conf.nl_overrun_resync = -1; }; netlink_overrun_resync : T_NETLINK_OVERRUN_RESYNC T_NUMBER { conf.nl_overrun_resync = $2; }; netlink_events_reliable : T_NETLINK_EVENTS_RELIABLE T_ON { conf.netlink.events_reliable = 1; }; netlink_events_reliable : T_NETLINK_EVENTS_RELIABLE T_OFF { conf.netlink.events_reliable = 0; }; nice : T_NICE T_SIGNED_NUMBER { conf.nice = $2; }; scheduler : T_SCHEDULER '{' scheduler_options '}'; scheduler_options : | scheduler_options scheduler_line ; scheduler_line : T_TYPE T_STRING { if (strcasecmp($2, "rr") == 0) { conf.sched.type = SCHED_RR; } else if (strcasecmp($2, "fifo") == 0) { conf.sched.type = SCHED_FIFO; } else { print_err(CTD_CFG_ERROR, "unknown scheduler `%s'", $2); exit(EXIT_FAILURE); } }; scheduler_line : T_PRIO T_NUMBER { conf.sched.prio = $2; if (conf.sched.prio < 0 || conf.sched.prio > 99) { print_err(CTD_CFG_ERROR, "`Priority' must be [0, 99]\n", $2); exit(EXIT_FAILURE); } }; family : T_FAMILY T_STRING { print_err(CTD_CFG_WARN, "`Family' is deprecated, ignoring"); }; event_iterations_limit : T_EVENT_ITER_LIMIT T_NUMBER { CONFIG(event_iterations_limit) = $2; }; poll_secs: T_POLL_SECS T_NUMBER { conf.flags |= CTD_POLL; conf.poll_kernel_secs = $2; if (conf.poll_kernel_secs == 0) { print_err(CTD_CFG_ERROR, "`PollSecs' clause must be > 0"); exit(EXIT_FAILURE); } }; filter : T_FILTER '{' filter_list '}' { CONFIG(filter_from_kernelspace) = 0; }; filter : T_FILTER T_FROM T_USERSPACE '{' filter_list '}' { CONFIG(filter_from_kernelspace) = 0; }; filter : T_FILTER T_FROM T_KERNELSPACE '{' filter_list '}' { CONFIG(filter_from_kernelspace) = 1; }; filter_list : | filter_list filter_item; filter_item : T_PROTOCOL T_ACCEPT '{' filter_protocol_list '}' { ct_filter_set_logic(STATE(us_filter), CT_FILTER_L4PROTO, CT_FILTER_POSITIVE); __kernel_filter_start(); }; filter_item : T_PROTOCOL T_IGNORE '{' filter_protocol_list '}' { ct_filter_set_logic(STATE(us_filter), CT_FILTER_L4PROTO, CT_FILTER_NEGATIVE); __kernel_filter_start(); nfct_filter_set_logic(STATE(filter), NFCT_FILTER_L4PROTO, NFCT_FILTER_LOGIC_NEGATIVE); }; filter_protocol_list : | filter_protocol_list filter_protocol_item; filter_protocol_item : T_STRING { struct protoent *pent; pent = getprotobyname($1); if (pent == NULL) { print_err(CTD_CFG_WARN, "getprotobyname() cannot find " "protocol `%s' in /etc/protocols", $1); break; } ct_filter_add_proto(STATE(us_filter), pent->p_proto); __kernel_filter_start(); nfct_filter_add_attr_u32(STATE(filter), NFCT_FILTER_L4PROTO, pent->p_proto); }; filter_protocol_item : T_TCP { struct protoent *pent; pent = getprotobyname("tcp"); if (pent == NULL) { print_err(CTD_CFG_WARN, "getprotobyname() cannot find " "protocol `tcp' in /etc/protocols"); break; } ct_filter_add_proto(STATE(us_filter), pent->p_proto); __kernel_filter_start(); nfct_filter_add_attr_u32(STATE(filter), NFCT_FILTER_L4PROTO, pent->p_proto); }; filter_protocol_item : T_UDP { struct protoent *pent; pent = getprotobyname("udp"); if (pent == NULL) { print_err(CTD_CFG_WARN, "getprotobyname() cannot find " "protocol `udp' in /etc/protocols"); break; } ct_filter_add_proto(STATE(us_filter), pent->p_proto); __kernel_filter_start(); nfct_filter_add_attr_u32(STATE(filter), NFCT_FILTER_L4PROTO, pent->p_proto); }; filter_item : T_ADDRESS T_ACCEPT '{' filter_address_list '}' { ct_filter_set_logic(STATE(us_filter), CT_FILTER_ADDRESS, CT_FILTER_POSITIVE); __kernel_filter_start(); }; filter_item : T_ADDRESS T_IGNORE '{' filter_address_list '}' { ct_filter_set_logic(STATE(us_filter), CT_FILTER_ADDRESS, CT_FILTER_NEGATIVE); __kernel_filter_start(); nfct_filter_set_logic(STATE(filter), NFCT_FILTER_SRC_IPV4, NFCT_FILTER_LOGIC_NEGATIVE); nfct_filter_set_logic(STATE(filter), NFCT_FILTER_DST_IPV4, NFCT_FILTER_LOGIC_NEGATIVE); nfct_filter_set_logic(STATE(filter), NFCT_FILTER_SRC_IPV6, NFCT_FILTER_LOGIC_NEGATIVE); nfct_filter_set_logic(STATE(filter), NFCT_FILTER_DST_IPV6, NFCT_FILTER_LOGIC_NEGATIVE); }; filter_address_list : | filter_address_list filter_address_item; filter_address_item : T_IPV4_ADDR T_IP { union inet_address ip; char *slash; unsigned int cidr = 32; memset(&ip, 0, sizeof(union inet_address)); slash = strchr($2, '/'); if (slash) { *slash = '\0'; cidr = atoi(slash+1); if (cidr > 32) { print_err(CTD_CFG_WARN, "%s/%d is not a valid network, " "ignoring", $2, cidr); break; } } if (!inet_aton($2, &ip.ipv4)) { print_err(CTD_CFG_WARN, "%s is not a valid IPv4, ignoring", $2); break; } if (slash && cidr < 32) { /* network byte order */ struct ct_filter_netmask_ipv4 tmp = { .ip = ip.ipv4, .mask = ipv4_cidr2mask_net(cidr) }; if (!ct_filter_add_netmask(STATE(us_filter), &tmp, AF_INET)) { if (errno == EEXIST) print_err(CTD_CFG_WARN, "netmask %s is " "repeated in the " "ignore pool", $2); } } else { if (!ct_filter_add_ip(STATE(us_filter), &ip, AF_INET)) { if (errno == EEXIST) print_err(CTD_CFG_WARN, "IP %s is repeated in " "the ignore pool", $2); if (errno == ENOSPC) print_err(CTD_CFG_WARN, "too many IP in the " "ignore pool!"); } } __kernel_filter_start(); /* host byte order */ struct nfct_filter_ipv4 filter_ipv4 = { .addr = ntohl(ip.ipv4), .mask = ipv4_cidr2mask_host(cidr), }; nfct_filter_add_attr(STATE(filter), NFCT_FILTER_SRC_IPV4, &filter_ipv4); nfct_filter_add_attr(STATE(filter), NFCT_FILTER_DST_IPV4, &filter_ipv4); }; filter_address_item : T_IPV6_ADDR T_IP { union inet_address ip; char *slash; int cidr = 128; struct nfct_filter_ipv6 filter_ipv6; memset(&ip, 0, sizeof(union inet_address)); slash = strchr($2, '/'); if (slash) { *slash = '\0'; cidr = atoi(slash+1); if (cidr > 128) { print_err(CTD_CFG_WARN, "%s/%d is not a valid network, " "ignoring", $2, cidr); break; } } #ifdef HAVE_INET_PTON_IPV6 if (inet_pton(AF_INET6, $2, &ip.ipv6) <= 0) { print_err(CTD_CFG_WARN, "%s is not a valid IPv6, ignoring", $2); break; } #else print_err(CTD_CFG_WARN, "cannot find inet_pton(), IPv6 unsupported!"); break; #endif if (slash && cidr < 128) { struct ct_filter_netmask_ipv6 tmp; memcpy(tmp.ip, ip.ipv6, sizeof(uint32_t)*4); ipv6_cidr2mask_net(cidr, tmp.mask); if (!ct_filter_add_netmask(STATE(us_filter), &tmp, AF_INET6)) { if (errno == EEXIST) print_err(CTD_CFG_WARN, "netmask %s is " "repeated in the " "ignore pool", $2); } } else { if (!ct_filter_add_ip(STATE(us_filter), &ip, AF_INET6)) { if (errno == EEXIST) print_err(CTD_CFG_WARN, "IP %s is repeated in " "the ignore pool", $2); if (errno == ENOSPC) print_err(CTD_CFG_WARN, "too many IP in the " "ignore pool!"); } } __kernel_filter_start(); /* host byte order */ ipv6_addr2addr_host(ip.ipv6, filter_ipv6.addr); ipv6_cidr2mask_host(cidr, filter_ipv6.mask); nfct_filter_add_attr(STATE(filter), NFCT_FILTER_SRC_IPV6, &filter_ipv6); nfct_filter_add_attr(STATE(filter), NFCT_FILTER_DST_IPV6, &filter_ipv6); }; filter_item : T_STATE T_ACCEPT '{' filter_state_list '}' { ct_filter_set_logic(STATE(us_filter), CT_FILTER_STATE, CT_FILTER_POSITIVE); __kernel_filter_start(); }; filter_item : T_STATE T_IGNORE '{' filter_state_list '}' { ct_filter_set_logic(STATE(us_filter), CT_FILTER_STATE, CT_FILTER_NEGATIVE); __kernel_filter_start(); nfct_filter_set_logic(STATE(filter), NFCT_FILTER_L4PROTO_STATE, NFCT_FILTER_LOGIC_NEGATIVE); }; filter_state_list : | filter_state_list filter_state_item; filter_state_item : tcp_states T_FOR T_TCP; stats: T_STATS '{' stats_list '}' { if (conf.flags & CTD_SYNC_MODE) { print_err(CTD_CFG_ERROR, "cannot use both `Stats' and `Sync' " "clauses in conntrackd.conf"); exit(EXIT_FAILURE); } conf.flags |= CTD_STATS_MODE; }; stats_list: | stats_list stat_line ; stat_line: stat_logfile_bool | stat_logfile_path | stat_syslog_bool | stat_syslog_facility | buffer_size ; stat_logfile_bool : T_LOG T_ON { strncpy(conf.stats.logfile, DEFAULT_STATS_LOGFILE, FILENAME_MAXLEN); }; stat_logfile_bool : T_LOG T_OFF { }; stat_logfile_path : T_LOG T_PATH_VAL { strncpy(conf.stats.logfile, $2, FILENAME_MAXLEN); }; stat_syslog_bool : T_SYSLOG T_ON { conf.stats.syslog_facility = DEFAULT_SYSLOG_FACILITY; }; stat_syslog_bool : T_SYSLOG T_OFF { conf.stats.syslog_facility = -1; } stat_syslog_facility : T_SYSLOG T_STRING { if (!strcmp($2, "daemon")) conf.stats.syslog_facility = LOG_DAEMON; else if (!strcmp($2, "local0")) conf.stats.syslog_facility = LOG_LOCAL0; else if (!strcmp($2, "local1")) conf.stats.syslog_facility = LOG_LOCAL1; else if (!strcmp($2, "local2")) conf.stats.syslog_facility = LOG_LOCAL2; else if (!strcmp($2, "local3")) conf.stats.syslog_facility = LOG_LOCAL3; else if (!strcmp($2, "local4")) conf.stats.syslog_facility = LOG_LOCAL4; else if (!strcmp($2, "local5")) conf.stats.syslog_facility = LOG_LOCAL5; else if (!strcmp($2, "local6")) conf.stats.syslog_facility = LOG_LOCAL6; else if (!strcmp($2, "local7")) conf.stats.syslog_facility = LOG_LOCAL7; else { print_err(CTD_CFG_WARN, "'%s' is not a known syslog facility, " "ignoring.", $2); break; } if (conf.syslog_facility != -1 && conf.stats.syslog_facility != conf.syslog_facility) print_err(CTD_CFG_WARN, "conflicting Syslog facility " "values, defaulting to General"); }; buffer_size: T_STAT_BUFFER_SIZE T_NUMBER { print_err(CTD_CFG_WARN, "`LogFileBufferSize' is deprecated"); }; helper: T_HELPER '{' helper_list '}' { conf.flags |= CTD_HELPER; }; helper_list: | helper_list helper_line ; helper_line: helper_type ; helper_type: T_TYPE T_STRING T_STRING T_STRING '{' helper_type_list '}' { struct ctd_helper_instance *helper_inst; struct ctd_helper *helper; struct stack_item *e; uint16_t l3proto; uint8_t l4proto; if (strcmp($3, "inet") == 0) l3proto = AF_INET; else if (strcmp($3, "inet6") == 0) l3proto = AF_INET6; else { print_err(CTD_CFG_ERROR, "unknown layer 3 protocol"); exit(EXIT_FAILURE); } if (strcmp($4, "tcp") == 0) l4proto = IPPROTO_TCP; else if (strcmp($4, "udp") == 0) l4proto = IPPROTO_UDP; else { print_err(CTD_CFG_ERROR, "unknown layer 4 protocol"); exit(EXIT_FAILURE); } #ifdef BUILD_CTHELPER helper = helper_find(CONNTRACKD_LIB_DIR, $2, l4proto, RTLD_NOW); if (helper == NULL) { print_err(CTD_CFG_ERROR, "Unknown `%s' helper", $2); exit(EXIT_FAILURE); } #else print_err(CTD_CFG_ERROR, "Helper support is disabled, recompile " "conntrackd"); exit(EXIT_FAILURE); #endif helper_inst = calloc(1, sizeof(struct ctd_helper_instance)); if (helper_inst == NULL) break; helper_inst->l3proto = l3proto; helper_inst->l4proto = l4proto; helper_inst->helper = helper; while ((e = stack_item_pop(&symbol_stack, -1)) != NULL) { switch(e->type) { case SYMBOL_HELPER_QUEUE_NUM: { int *qnum = (int *) &e->data; helper_inst->queue_num = *qnum; stack_item_free(e); break; } case SYMBOL_HELPER_QUEUE_LEN: { int *qlen = (int *) &e->data; helper_inst->queue_len = *qlen; stack_item_free(e); break; } case SYMBOL_HELPER_POLICY_EXPECT_ROOT: { struct ctd_helper_policy *pol = (struct ctd_helper_policy *) &e->data; struct ctd_helper_policy *matching = NULL; int i; for (i=0; ipolicy[i].name, pol->name) != 0) continue; matching = pol; break; } if (matching == NULL) { print_err(CTD_CFG_ERROR, "Unknown policy `%s' in helper " "configuration", pol->name); exit(EXIT_FAILURE); } /* FIXME: First set default policy, then change only * tuned fields, not everything. */ memcpy(&helper->policy[i], pol, sizeof(struct ctd_helper_policy)); stack_item_free(e); break; } default: print_err(CTD_CFG_ERROR, "Unexpected symbol parsing helper policy"); exit(EXIT_FAILURE); break; } } list_add(&helper_inst->head, &CONFIG(cthelper).list); }; helper_type_list: | helper_type_list helper_type_line ; helper_type_line: helper_type ; helper_type: T_HELPER_QUEUE_NUM T_NUMBER { int *qnum; struct stack_item *e; e = stack_item_alloc(SYMBOL_HELPER_QUEUE_NUM, sizeof(int)); qnum = (int *) e->data; *qnum = $2; stack_item_push(&symbol_stack, e); }; helper_type: T_HELPER_QUEUE_LEN T_NUMBER { int *qlen; struct stack_item *e; e = stack_item_alloc(SYMBOL_HELPER_QUEUE_LEN, sizeof(int)); qlen = (int *) e->data; *qlen = $2; stack_item_push(&symbol_stack, e); }; helper_type: T_HELPER_POLICY T_STRING '{' helper_policy_list '}' { struct stack_item *e; struct ctd_helper_policy *policy; e = stack_item_pop(&symbol_stack, SYMBOL_HELPER_EXPECT_POLICY_LEAF); if (e == NULL) { print_err(CTD_CFG_ERROR, "Helper policy configuration empty, fix your " "configuration file, please"); exit(EXIT_FAILURE); break; } policy = (struct ctd_helper_policy *) &e->data; strncpy(policy->name, $2, CTD_HELPER_NAME_LEN); policy->name[CTD_HELPER_NAME_LEN-1] = '\0'; /* Now object is complete. */ e->type = SYMBOL_HELPER_POLICY_EXPECT_ROOT; stack_item_push(&symbol_stack, e); }; helper_policy_list: | helper_policy_list helper_policy_line ; helper_policy_line: helper_policy_expect_max | helper_policy_expect_timeout ; helper_policy_expect_max: T_HELPER_EXPECT_MAX T_NUMBER { struct stack_item *e; struct ctd_helper_policy *policy; e = stack_item_pop(&symbol_stack, SYMBOL_HELPER_EXPECT_POLICY_LEAF); if (e == NULL) { e = stack_item_alloc(SYMBOL_HELPER_EXPECT_POLICY_LEAF, sizeof(struct ctd_helper_policy)); } policy = (struct ctd_helper_policy *) &e->data; policy->expect_max = $2; stack_item_push(&symbol_stack, e); }; helper_policy_expect_timeout: T_HELPER_EXPECT_TIMEOUT T_NUMBER { struct stack_item *e; struct ctd_helper_policy *policy; e = stack_item_pop(&symbol_stack, SYMBOL_HELPER_EXPECT_POLICY_LEAF); if (e == NULL) { e = stack_item_alloc(SYMBOL_HELPER_EXPECT_POLICY_LEAF, sizeof(struct ctd_helper_policy)); } policy = (struct ctd_helper_policy *) &e->data; policy->expect_timeout = $2; stack_item_push(&symbol_stack, e); }; %% int __attribute__((noreturn)) yyerror(char *msg) { print_err(CTD_CFG_ERROR, "parsing config file in " "line (%d), symbol '%s': %s", yylineno, yytext, msg); exit(EXIT_FAILURE); } static void print_err(int type, const char *msg, ...) { va_list args; va_start(args, msg); switch(type) { case CTD_CFG_ERROR: fprintf(stderr, "ERROR: "); break; case CTD_CFG_WARN: fprintf(stderr, "WARNING: "); break; default: fprintf(stderr, "?: "); } vfprintf(stderr, msg, args); va_end(args); fprintf(stderr,"\n"); } static void __kernel_filter_start(void) { if (!STATE(filter)) { STATE(filter) = nfct_filter_create(); if (!STATE(filter)) { print_err(CTD_CFG_ERROR, "cannot create ignore pool!"); exit(EXIT_FAILURE); } } } static void __kernel_filter_add_state(int value) { __kernel_filter_start(); struct nfct_filter_proto filter_proto = { .proto = IPPROTO_TCP, .state = value }; nfct_filter_add_attr(STATE(filter), NFCT_FILTER_L4PROTO_STATE, &filter_proto); } static void __max_dedicated_links_reached(void) { if (conf.channel_num >= MULTICHANNEL_MAX) { print_err(CTD_CFG_ERROR, "too many dedicated links in " "the configuration file " "(Maximum: %d)", MULTICHANNEL_MAX); exit(EXIT_FAILURE); } } int init_config(char *filename) { FILE *fp; fp = fopen(filename, "r"); if (!fp) return -1; /* Zero may be a valid facility */ CONFIG(syslog_facility) = -1; CONFIG(stats).syslog_facility = -1; CONFIG(netlink).subsys_id = -1; /* Initialize list of user-space helpers */ INIT_LIST_HEAD(&CONFIG(cthelper).list); stack_init(&symbol_stack); yyrestart(fp); yyparse(); fclose(fp); /* set to default is not specified */ if (strcmp(CONFIG(lockfile), "") == 0) strncpy(CONFIG(lockfile), DEFAULT_LOCKFILE, FILENAME_MAXLEN); /* default to 180 seconds of expiration time: cache entries */ if (CONFIG(cache_timeout) == 0) CONFIG(cache_timeout) = 180; /* default to 60 seconds: purge kernel entries */ if (CONFIG(purge_timeout) == 0) CONFIG(purge_timeout) = 60; /* default to 60 seconds of refresh time */ if (CONFIG(refresh) == 0) CONFIG(refresh) = 60; if (CONFIG(resend_queue_size) == 0) CONFIG(resend_queue_size) = 131072; /* default to a window size of 300 packets */ if (CONFIG(window_size) == 0) CONFIG(window_size) = 300; if (CONFIG(event_iterations_limit) == 0) CONFIG(event_iterations_limit) = 100; /* default number of bucket of the hashtable that are committed in one run loop. XXX: no option available to tune this value yet. */ if (CONFIG(general).commit_steps == 0) CONFIG(general).commit_steps = 8192; /* if overrun, automatically resync with kernel after 30 seconds */ if (CONFIG(nl_overrun_resync) == 0) CONFIG(nl_overrun_resync) = 30; /* default to 128 elements in the channel error queue */ if (CONFIG(channelc).error_queue_length == 0) CONFIG(channelc).error_queue_length = 128; if (CONFIG(netlink).subsys_id == -1) { CONFIG(netlink).subsys_id = NFNL_SUBSYS_CTNETLINK; CONFIG(netlink).groups = NF_NETLINK_CONNTRACK_NEW | NF_NETLINK_CONNTRACK_UPDATE | NF_NETLINK_CONNTRACK_DESTROY; } return 0; } conntrack-1.4.3/src/run.c000066400000000000000000000154301257407526400152570ustar00rootroot00000000000000/* * (C) 2006-2012 by Pablo Neira Ayuso * (C) 2011 by Vyatta 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. * * Part of this code has been sponsored by Vyatta Inc. */ #include "conntrackd.h" #include "netlink.h" #include "filter.h" #include "log.h" #include "alarm.h" #include "fds.h" #include "traffic_stats.h" #include "process.h" #include "origin.h" #include "date.h" #include "internal.h" #include #include #include #include #include #include #include #include void killer(int signo) { /* Signals are re-entrant, disable signal handling to avoid problems * in case we receive SIGINT and SIGTERM in a row. This function is * also called via -k from the unix socket context, we already disabled * signals in that path, so don't do it. */ if (signo) sigprocmask(SIG_BLOCK, &STATE(block), NULL); local_server_destroy(&STATE(local)); if (CONFIG(flags) & (CTD_SYNC_MODE | CTD_STATS_MODE)) ctnl_kill(); #ifdef BUILD_CTHELPER if (CONFIG(flags) & CTD_HELPER) cthelper_kill(); #endif destroy_fds(STATE(fds)); unlink(CONFIG(lockfile)); dlog(LOG_NOTICE, "---- shutdown received ----"); close_log(); exit(0); } static void child(int foo) { int status, ret; while ((ret = waitpid(0, &status, WNOHANG)) != 0) { if (ret == -1) { if (errno == EINTR) continue; if (errno == ECHILD) break; STATE(stats).wait_failed++; break; } /* delete process from list and run the callback */ fork_process_delete(ret); if (!WIFSIGNALED(status)) continue; switch(WTERMSIG(status)) { case SIGSEGV: dlog(LOG_ERR, "child process (pid=%u) has aborted, " "received signal SIGSEGV (crashed)", ret); STATE(stats).child_process_failed++; STATE(stats).child_process_error_segfault++; break; case SIGINT: case SIGTERM: case SIGKILL: dlog(LOG_ERR, "child process (pid=%u) has aborted, " "received termination signal (%u)", ret, WTERMSIG(status)); STATE(stats).child_process_failed++; STATE(stats).child_process_error_term++; break; default: dlog(LOG_NOTICE, "child process (pid=%u) " "received signal (%u)", ret, WTERMSIG(status)); STATE(stats).child_process_failed++; break; } } } static void uptime(char *buf, size_t bufsiz) { time_t tmp; int updays, upminutes, uphours; size_t size = 0; time(&tmp); tmp = tmp - STATE(stats).daemon_start_time; updays = (int) tmp / (60*60*24); if (updays) { size = snprintf(buf, bufsiz, "%d day%s ", updays, (updays != 1) ? "s" : ""); } upminutes = (int) tmp / 60; uphours = (upminutes / 60) % 24; upminutes %= 60; if(uphours) { snprintf(buf + size, bufsiz, "%d h %d min", uphours, upminutes); } else { snprintf(buf + size, bufsiz, "%d min", upminutes); } } static void dump_stats_runtime(int fd) { char buf[1024], uptime_string[512]; int size; uptime(uptime_string, sizeof(uptime_string)); size = snprintf(buf, sizeof(buf), "daemon uptime: %s\n\n" "netlink stats:\n" "\tevents received:\t%20llu\n" "\tevents filtered:\t%20llu\n" "\tevents unknown type:\t\t%12u\n" "\tcatch event failed:\t\t%12u\n" "\tdump unknown type:\t\t%12u\n" "\tnetlink overrun:\t\t%12u\n" "\tflush kernel table:\t\t%12u\n" "\tresync with kernel table:\t%12u\n" "\tcurrent buffer size (in bytes):\t%12u\n\n" "runtime stats:\n" "\tchild process failed:\t\t%12u\n" "\t\tchild process segfault:\t%12u\n" "\t\tchild process termsig:\t%12u\n" "\tselect failed:\t\t\t%12u\n" "\twait failed:\t\t\t%12u\n" "\tlocal read failed:\t\t%12u\n" "\tlocal unknown request:\t\t%12u\n\n", uptime_string, (unsigned long long)STATE(stats).nl_events_received, (unsigned long long)STATE(stats).nl_events_filtered, STATE(stats).nl_events_unknown_type, STATE(stats).nl_catch_event_failed, STATE(stats).nl_dump_unknown_type, STATE(stats).nl_overrun, STATE(stats).nl_kernel_table_flush, STATE(stats).nl_kernel_table_resync, CONFIG(netlink_buffer_size), STATE(stats).child_process_failed, STATE(stats).child_process_error_segfault, STATE(stats).child_process_error_term, STATE(stats).select_failed, STATE(stats).wait_failed, STATE(stats).local_read_failed, STATE(stats).local_unknown_request); send(fd, buf, size, 0); } static int local_handler(int fd, void *data) { int ret = LOCAL_RET_OK; int type; if (read(fd, &type, sizeof(type)) <= 0) { STATE(stats).local_read_failed++; return LOCAL_RET_OK; } switch(type) { case KILL: killer(0); break; case STATS_RUNTIME: dump_stats_runtime(fd); break; case STATS_PROCESS: fork_process_dump(fd); break; } if (CONFIG(flags) & (CTD_SYNC_MODE | CTD_STATS_MODE)) return ctnl_local(fd, type, data); #ifdef BUILD_CTHELPER if (CONFIG(flags) & CTD_HELPER) return cthelper_local(fd, type, data); #endif return ret; } /* order received via UNIX socket */ static void local_cb(void *data) { do_local_server_step(&STATE(local), NULL, local_handler); } int init(void) { do_gettimeofday(); STATE(fds) = create_fds(); if (STATE(fds) == NULL) { dlog(LOG_ERR, "can't create file descriptor pool"); return -1; } /* local UNIX socket */ if (local_server_create(&STATE(local), &CONFIG(local)) == -1) { dlog(LOG_ERR, "can't open unix socket!"); return -1; } register_fd(STATE(local).fd, local_cb, NULL, STATE(fds)); /* Signals handling */ sigemptyset(&STATE(block)); sigaddset(&STATE(block), SIGTERM); sigaddset(&STATE(block), SIGINT); sigaddset(&STATE(block), SIGCHLD); if (signal(SIGINT, killer) == SIG_ERR) return -1; if (signal(SIGTERM, killer) == SIG_ERR) return -1; /* ignore connection reset by peer */ if (signal(SIGPIPE, SIG_IGN) == SIG_ERR) return -1; if (signal(SIGCHLD, child) == SIG_ERR) return -1; /* Initialization */ if (CONFIG(flags) & (CTD_SYNC_MODE | CTD_STATS_MODE)) if (ctnl_init() < 0) return -1; #ifdef BUILD_CTHELPER if (CONFIG(flags) & CTD_HELPER) { if (cthelper_init() < 0) return -1; } #endif time(&STATE(stats).daemon_start_time); dlog(LOG_NOTICE, "initialization completed"); return 0; } conntrack-1.4.3/src/stack.c000066400000000000000000000021071257407526400155550ustar00rootroot00000000000000/* * (C) 2005-2012 by Pablo Neira Ayuso * * 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 of the License, or * (at your option) any later version. */ #include #include #include #include #include "stack.h" struct stack_item * stack_item_alloc(int type, size_t data_len) { struct stack_item *e; e = calloc(1, sizeof(struct stack_item) + data_len); if (e == NULL) return NULL; e->data_len = data_len; e->type = type; return e; } void stack_item_free(struct stack_item *e) { free(e); } void stack_item_push(struct stack *s, struct stack_item *e) { list_add(&e->head, &s->list); } struct stack_item *stack_item_pop(struct stack *s, int type) { struct stack_item *cur, *tmp, *found = NULL; list_for_each_entry_safe(cur, tmp, &s->list, head) { if (cur->type != type && type != -1) continue; list_del(&cur->head); found = cur; break; } return found; } conntrack-1.4.3/src/stats-mode.c000066400000000000000000000116271257407526400165370ustar00rootroot00000000000000/* * (C) 2006-2011 by Pablo Neira Ayuso * (C) 2011 by Vyatta 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "netlink.h" #include "traffic_stats.h" #include "cache.h" #include "log.h" #include "conntrackd.h" #include "internal.h" #include #include #include #include static int init_stats(void) { state.stats = malloc(sizeof(struct ct_stats_state)); if (!state.stats) { dlog(LOG_ERR, "can't allocate memory for stats"); return -1; } memset(state.stats, 0, sizeof(struct ct_stats_state)); STATE_STATS(cache) = cache_create("stats", CACHE_T_CT, NO_FEATURES, NULL, &cache_stats_ct_ops); if (!STATE_STATS(cache)) { dlog(LOG_ERR, "can't allocate memory for the " "external cache"); free(state.stats); return -1; } return 0; } static void kill_stats(void) { cache_destroy(STATE_STATS(cache)); } /* handler for requests coming via UNIX socket */ static int local_handler_stats(int fd, int type, void *data) { int ret = LOCAL_RET_OK; switch(type) { case CT_DUMP_INTERNAL: cache_dump(STATE_STATS(cache), fd, NFCT_O_PLAIN); break; case CT_DUMP_INT_XML: cache_dump(STATE_STATS(cache), fd, NFCT_O_XML); break; case CT_FLUSH_CACHE: case CT_FLUSH_INT_CACHE: dlog(LOG_NOTICE, "flushing caches"); cache_flush(STATE_STATS(cache)); break; case KILL: killer(0); break; case STATS: cache_stats(STATE_STATS(cache), fd); dump_traffic_stats(fd); break; case STATS_CACHE: cache_stats_extended(STATE_STATS(cache), fd); break; default: ret = 0; break; } return ret; } static void stats_populate(struct nf_conntrack *ct) { nfct_attr_unset(ct, ATTR_ORIG_COUNTER_BYTES); nfct_attr_unset(ct, ATTR_ORIG_COUNTER_PACKETS); nfct_attr_unset(ct, ATTR_REPL_COUNTER_BYTES); nfct_attr_unset(ct, ATTR_REPL_COUNTER_PACKETS); nfct_attr_unset(ct, ATTR_TIMEOUT); nfct_attr_unset(ct, ATTR_USE); cache_update_force(STATE_STATS(cache), ct); } static int stats_resync(enum nf_conntrack_msg_type type, struct nf_conntrack *ct, void *data) { if (ct_filter_conntrack(ct, 1)) return NFCT_CB_CONTINUE; /* This is required by kernels < 2.6.20 */ nfct_attr_unset(ct, ATTR_TIMEOUT); nfct_attr_unset(ct, ATTR_ORIG_COUNTER_BYTES); nfct_attr_unset(ct, ATTR_ORIG_COUNTER_PACKETS); nfct_attr_unset(ct, ATTR_REPL_COUNTER_BYTES); nfct_attr_unset(ct, ATTR_REPL_COUNTER_PACKETS); nfct_attr_unset(ct, ATTR_USE); cache_update_force(STATE_STATS(cache), ct); return NFCT_CB_CONTINUE; } static int purge_step(void *data1, void *data2) { struct cache_object *obj = data2; STATE(get_retval) = 0; nl_get_conntrack(STATE(get), obj->ptr); /* modifies STATE(get_retval) */ if (!STATE(get_retval)) { cache_del(STATE_STATS(cache), obj); dlog_ct(STATE(stats_log), obj->ptr, NFCT_O_PLAIN); cache_object_free(obj); } return 0; } static void stats_purge(void) { cache_iterate(STATE_STATS(cache), NULL, purge_step); } static void stats_event_new(struct nf_conntrack *ct, int origin) { int id; struct cache_object *obj; nfct_attr_unset(ct, ATTR_TIMEOUT); obj = cache_find(STATE_STATS(cache), ct, &id); if (obj == NULL) { obj = cache_object_new(STATE_STATS(cache), ct); if (obj == NULL) return; if (cache_add(STATE_STATS(cache), obj, id) == -1) { cache_object_free(obj); return; } } return; } static void stats_event_upd(struct nf_conntrack *ct, int origin) { nfct_attr_unset(ct, ATTR_TIMEOUT); cache_update_force(STATE_STATS(cache), ct); } static int stats_event_del(struct nf_conntrack *ct, int origin) { int id; struct cache_object *obj; nfct_attr_unset(ct, ATTR_TIMEOUT); obj = cache_find(STATE_STATS(cache), ct, &id); if (obj) { cache_del(STATE_STATS(cache), obj); dlog_ct(STATE(stats_log), ct, NFCT_O_PLAIN); cache_object_free(obj); return 1; } return 0; } static struct internal_handler internal_cache_stats = { .flags = INTERNAL_F_POPULATE | INTERNAL_F_RESYNC, .ct = { .populate = stats_populate, .resync = stats_resync, .purge = stats_purge, .new = stats_event_new, .upd = stats_event_upd, .del = stats_event_del, }, }; struct ct_mode stats_mode = { .init = init_stats, .local = local_handler_stats, .kill = kill_stats, .internal = &internal_cache_stats, }; conntrack-1.4.3/src/sync-alarm.c000066400000000000000000000104051257407526400165160ustar00rootroot00000000000000/* * (C) 2006-2011 by Pablo Neira Ayuso * (C) 2011 by Vyatta 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "conntrackd.h" #include "sync.h" #include "network.h" #include "alarm.h" #include "cache.h" #include "queue.h" #include #include struct cache_alarm { struct queue_node qnode; struct cache_object *obj; struct alarm_block alarm; }; static void alarm_enqueue(struct cache_object *obj, int query); static void refresher(struct alarm_block *a, void *data) { struct cache_object *obj = data; add_alarm(a, random() % CONFIG(refresh) + 1, ((random() % 5 + 1) * 200000) - 1); alarm_enqueue(obj, NET_T_STATE_CT_UPD); } static void cache_alarm_add(struct cache_object *obj, void *data) { struct cache_alarm *ca = data; queue_node_init(&ca->qnode, Q_ELEM_OBJ); ca->obj = obj; init_alarm(&ca->alarm, obj, refresher); add_alarm(&ca->alarm, random() % CONFIG(refresh) + 1, ((random() % 5 + 1) * 200000) - 1); } static void cache_alarm_update(struct cache_object *obj, void *data) { struct cache_alarm *ca = data; add_alarm(&ca->alarm, random() % CONFIG(refresh) + 1, ((random() % 5 + 1) * 200000) - 1); } static void cache_alarm_destroy(struct cache_object *obj, void *data) { struct cache_alarm *ca = data; queue_del(&ca->qnode); del_alarm(&ca->alarm); } static struct cache_extra cache_alarm_extra = { .size = sizeof(struct cache_alarm), .add = cache_alarm_add, .update = cache_alarm_update, .destroy = cache_alarm_destroy }; static int alarm_recv(const struct nethdr *net) { unsigned int exp_seq; /* * Ignore error messages: Although this message type is not ever * generated in alarm mode, we don't want to crash the daemon * if someone nuts mixes ftfw and alarm. */ if (net->flags) return 1; /* * Multicast sequence tracking: we keep track of multicast messages * although we don't do any explicit message recovery. So, why do * we do sequence tracking? Just to let know the sysadmin. * * Let t be 1 < t < RefreshTime. To ensure consistency, conntrackd * retransmit every t seconds a message with the state of a certain * entry even if such entry did not change. This mechanism also * provides passive resynchronization, in other words, there is * no facility to request a full synchronization from new nodes that * just joined the cluster, instead they just get resynchronized in * RefreshTime seconds at worst case. */ nethdr_track_seq(net->seq, &exp_seq); return 0; } static void alarm_enqueue(struct cache_object *obj, int query) { struct cache_alarm *ca = cache_get_extra(obj); if (queue_add(STATE_SYNC(tx_queue), &ca->qnode) > 0) cache_object_get(obj); } static int tx_queue_xmit(struct queue_node *n, const void *data) { struct nethdr *net; queue_del(n); switch(n->type) { case Q_ELEM_CTL: net = queue_node_data(n); nethdr_set_ctl(net); HDR_HOST2NETWORK(net); multichannel_send(STATE_SYNC(channel), net); queue_object_free((struct queue_object *)n); break; case Q_ELEM_OBJ: { struct cache_alarm *ca; int type; ca = (struct cache_alarm *)n; type = object_status_to_network_type(ca->obj); net = ca->obj->cache->ops->build_msg(ca->obj, type); multichannel_send(STATE_SYNC(channel), net); cache_object_put(ca->obj); break; } } return 0; } static void alarm_xmit(void) { queue_iterate(STATE_SYNC(tx_queue), NULL, tx_queue_xmit); } struct sync_mode sync_alarm = { .internal_cache_flags = NO_FEATURES, .external_cache_flags = TIMER, .internal_cache_extra = &cache_alarm_extra, .recv = alarm_recv, .enqueue = alarm_enqueue, .xmit = alarm_xmit, }; conntrack-1.4.3/src/sync-ftfw.c000066400000000000000000000303061257407526400163720ustar00rootroot00000000000000/* * (C) 2006-2011 by Pablo Neira Ayuso * (C) 2011 by Vyatta 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "conntrackd.h" #include "sync.h" #include "queue.h" #include "network.h" #include "alarm.h" #include "log.h" #include "cache.h" #include "fds.h" #include #include #if 0 #define dp printf #else #define dp(...) #endif struct queue *rs_queue; static uint32_t exp_seq; static uint32_t window; static uint32_t ack_from; static int ack_from_set = 0; static struct alarm_block alive_alarm; enum { HELLO_INIT, HELLO_SAY, HELLO_DONE, }; static int hello_state = HELLO_INIT; static int say_hello_back; /* XXX: alive message expiration configurable */ #define ALIVE_INT 1 struct cache_ftfw { struct queue_node qnode; struct cache_object *obj; uint32_t seq; }; static void cache_ftfw_add(struct cache_object *obj, void *data) { struct cache_ftfw *cn = data; cn->obj = obj; /* These nodes are not inserted in the list */ queue_node_init(&cn->qnode, Q_ELEM_OBJ); } static void cache_ftfw_del(struct cache_object *obj, void *data) { struct cache_ftfw *cn = data; queue_del(&cn->qnode); } static struct cache_extra cache_ftfw_extra = { .size = sizeof(struct cache_ftfw), .add = cache_ftfw_add, .destroy = cache_ftfw_del }; static void nethdr_set_hello(struct nethdr *net) { switch(hello_state) { case HELLO_INIT: hello_state = HELLO_SAY; /* fall through */ case HELLO_SAY: net->flags |= NET_F_HELLO; break; } if (say_hello_back) { net->flags |= NET_F_HELLO_BACK; say_hello_back = 0; } } static void tx_queue_add_ctlmsg(uint32_t flags, uint32_t from, uint32_t to) { struct queue_object *qobj; struct nethdr_ack *ack; qobj = queue_object_new(Q_ELEM_CTL, sizeof(struct nethdr_ack)); if (qobj == NULL) return; ack = (struct nethdr_ack *)qobj->data; ack->type = NET_T_CTL; ack->flags = flags; ack->from = from; ack->to = to; if (queue_add(STATE_SYNC(tx_queue), &qobj->qnode) < 0) queue_object_free(qobj); } static void tx_queue_add_ctlmsg2(uint32_t flags) { struct queue_object *qobj; struct nethdr *ctl; qobj = queue_object_new(Q_ELEM_CTL, sizeof(struct nethdr_ack)); if (qobj == NULL) return; ctl = (struct nethdr *)qobj->data; ctl->type = NET_T_CTL; ctl->flags = flags; if (queue_add(STATE_SYNC(tx_queue), &qobj->qnode) < 0) queue_object_free(qobj); } /* this function is called from the alarm framework */ static void do_alive_alarm(struct alarm_block *a, void *data) { if (ack_from_set && nethdr_track_is_seq_set()) { /* exp_seq contains the last update received */ tx_queue_add_ctlmsg(NET_F_ACK, ack_from, STATE_SYNC(last_seq_recv)); ack_from_set = 0; } else tx_queue_add_ctlmsg2(NET_F_ALIVE); add_alarm(&alive_alarm, ALIVE_INT, 0); } static int ftfw_init(void) { rs_queue = queue_create("rsqueue", CONFIG(resend_queue_size), 0); if (rs_queue == NULL) { dlog(LOG_ERR, "cannot create rs queue"); return -1; } init_alarm(&alive_alarm, NULL, do_alive_alarm); add_alarm(&alive_alarm, ALIVE_INT, 0); /* set ack window size */ window = CONFIG(window_size); return 0; } static void ftfw_kill(void) { queue_destroy(rs_queue); } static int do_cache_to_tx(void *data1, void *data2) { struct cache_object *obj = data2; struct cache_ftfw *cn = cache_get_extra(obj); if (queue_in(rs_queue, &cn->qnode)) { queue_del(&cn->qnode); queue_add(STATE_SYNC(tx_queue), &cn->qnode); } else { if (queue_add(STATE_SYNC(tx_queue), &cn->qnode) > 0) cache_object_get(obj); } return 0; } static int rs_queue_dump(struct queue_node *n, const void *data2) { const int *fd = data2; char buf[512]; int size; switch(n->type) { case Q_ELEM_CTL: { struct nethdr *net = queue_node_data(n); size = sprintf(buf, "control -> seq:%u flags:%u\n", net->seq, net->flags); break; } case Q_ELEM_OBJ: { struct cache_ftfw *cn = (struct cache_ftfw *) n; size = sprintf(buf, "object -> seq:%u\n", cn->seq); break; } default: return 0; } send(*fd, buf, size, 0); return 0; } static void ftfw_local_queue(int fd) { char buf[512]; int size; size = sprintf(buf, "resent queue (len=%u)\n", queue_len(rs_queue)); send(fd, buf, size, 0); queue_iterate(rs_queue, &fd, rs_queue_dump); } static int ftfw_local(int fd, int type, void *data) { int ret = LOCAL_RET_OK; switch(type) { case REQUEST_DUMP: dlog(LOG_NOTICE, "request resync"); tx_queue_add_ctlmsg(NET_F_RESYNC, 0, 0); break; case SEND_BULK: dlog(LOG_NOTICE, "sending bulk update"); cache_iterate(STATE(mode)->internal->ct.data, NULL, do_cache_to_tx); cache_iterate(STATE(mode)->internal->exp.data, NULL, do_cache_to_tx); break; case STATS_RSQUEUE: ftfw_local_queue(fd); break; } return ret; } static int rs_queue_to_tx(struct queue_node *n, const void *data) { const struct nethdr_ack *nack = data; switch(n->type) { case Q_ELEM_CTL: { struct nethdr_ack *net = queue_node_data(n); if (before(net->seq, nack->from)) return 0; /* continue */ else if (after(net->seq, nack->to)) return 1; /* break */ dp("rs_queue_to_tx sq: %u fl:%u len:%u\n", net->seq, net->flags, net->len); queue_del(n); queue_add(STATE_SYNC(tx_queue), n); break; } case Q_ELEM_OBJ: { struct cache_ftfw *cn; cn = (struct cache_ftfw *) n; if (before(cn->seq, nack->from)) return 0; else if (after(cn->seq, nack->to)) return 1; dp("resending nack'ed (oldseq=%u)\n", cn->seq); queue_del(n); queue_add(STATE_SYNC(tx_queue), n); break; } } return 0; } static int rs_queue_empty(struct queue_node *n, const void *data) { const struct nethdr_ack *h = data; switch(n->type) { case Q_ELEM_CTL: { struct nethdr_ack *net = queue_node_data(n); if (h == NULL) { queue_del(n); queue_object_free((struct queue_object *)n); return 0; } if (before(net->seq, h->from)) return 0; /* continue */ else if (after(net->seq, h->to)) return 1; /* break */ dp("remove from queue (seq=%u)\n", net->seq); queue_del(n); queue_object_free((struct queue_object *)n); break; } case Q_ELEM_OBJ: { struct cache_ftfw *cn; cn = (struct cache_ftfw *) n; if (h == NULL) { queue_del(n); cache_object_put(cn->obj); return 0; } if (before(cn->seq, h->from)) return 0; else if (after(cn->seq, h->to)) return 1; dp("queue: deleting from queue (seq=%u)\n", cn->seq); queue_del(n); cache_object_put(cn->obj); break; } } return 0; } static int digest_msg(const struct nethdr *net) { if (IS_DATA(net)) return MSG_DATA; else if (IS_ACK(net)) { const struct nethdr_ack *h = (const struct nethdr_ack *) net; if (before(h->to, h->from)) return MSG_BAD; queue_iterate(rs_queue, h, rs_queue_empty); return MSG_CTL; } else if (IS_NACK(net)) { const struct nethdr_ack *nack = (const struct nethdr_ack *) net; if (before(nack->to, nack->from)) return MSG_BAD; queue_iterate(rs_queue, nack, rs_queue_to_tx); return MSG_CTL; } else if (IS_RESYNC(net)) { dp("RESYNC ALL\n"); cache_iterate(STATE(mode)->internal->ct.data, NULL, do_cache_to_tx); cache_iterate(STATE(mode)->internal->exp.data, NULL, do_cache_to_tx); return MSG_CTL; } else if (IS_ALIVE(net)) return MSG_CTL; return MSG_BAD; } static int digest_hello(const struct nethdr *net) { int ret = 0; if (IS_HELLO(net)) { say_hello_back = 1; ret = 1; } if (IS_HELLO_BACK(net)) { /* this is a hello back for a requested hello */ if (hello_state == HELLO_SAY) hello_state = HELLO_DONE; } return ret; } static int ftfw_recv(const struct nethdr *net) { int ret = MSG_DATA; if (digest_hello(net)) { /* we have received a hello while we had data to acknowledge. * reset the window, the other doesn't know anthing about it. */ if (ack_from_set && before(net->seq, ack_from)) { window = CONFIG(window_size) - 1; ack_from = net->seq; } /* XXX: flush the resend queues since the other does not * know anything about that data, we are unreliable until * the helloing finishes */ queue_iterate(rs_queue, NULL, rs_queue_empty); goto bypass; } switch (nethdr_track_seq(net->seq, &exp_seq)) { case SEQ_AFTER: ret = digest_msg(net); if (ret == MSG_BAD) { ret = MSG_BAD; goto out; } if (ack_from_set) { tx_queue_add_ctlmsg(NET_F_ACK, ack_from, exp_seq-1); ack_from_set = 0; } tx_queue_add_ctlmsg(NET_F_NACK, exp_seq, net->seq-1); /* count this message as part of the new window */ window = CONFIG(window_size) - 1; ack_from = net->seq; ack_from_set = 1; break; case SEQ_BEFORE: /* we don't accept delayed packets */ ret = MSG_DROP; break; case SEQ_UNSET: case SEQ_IN_SYNC: bypass: ret = digest_msg(net); if (ret == MSG_BAD) { ret = MSG_BAD; goto out; } if (!ack_from_set) { ack_from_set = 1; ack_from = net->seq; } if (--window <= 0) { /* received a window, send an acknowledgement */ tx_queue_add_ctlmsg(NET_F_ACK, ack_from, net->seq); window = CONFIG(window_size); ack_from_set = 0; } } out: if ((ret == MSG_DATA || ret == MSG_CTL)) nethdr_track_update_seq(net->seq); return ret; } static void rs_queue_purge_full(void) { struct queue_node *n; n = queue_del_head(rs_queue); switch(n->type) { case Q_ELEM_CTL: { struct queue_object *qobj = (struct queue_object *)n; queue_object_free(qobj); break; } case Q_ELEM_OBJ: { struct cache_ftfw *cn; cn = (struct cache_ftfw *)n; cache_object_put(cn->obj); break; } } } static int tx_queue_xmit(struct queue_node *n, const void *data) { queue_del(n); switch(n->type) { case Q_ELEM_CTL: { struct nethdr *net = queue_node_data(n); nethdr_set_hello(net); if (IS_ACK(net) || IS_NACK(net) || IS_RESYNC(net)) { nethdr_set_ack(net); } else { nethdr_set_ctl(net); } HDR_HOST2NETWORK(net); dp("tx_queue sq: %u fl:%u len:%u\n", ntohl(net->seq), net->flags, ntohs(net->len)); multichannel_send(STATE_SYNC(channel), net); HDR_NETWORK2HOST(net); if (IS_ACK(net) || IS_NACK(net) || IS_RESYNC(net)) { if (queue_add(rs_queue, n) < 0) { if (errno == ENOSPC) { rs_queue_purge_full(); queue_add(rs_queue, n); } } } else queue_object_free((struct queue_object *)n); break; } case Q_ELEM_OBJ: { struct cache_ftfw *cn; int type; struct nethdr *net; cn = (struct cache_ftfw *)n; type = object_status_to_network_type(cn->obj); net = cn->obj->cache->ops->build_msg(cn->obj, type); nethdr_set_hello(net); dp("tx_list sq: %u fl:%u len:%u\n", ntohl(net->seq), net->flags, ntohs(net->len)); multichannel_send(STATE_SYNC(channel), net); cn->seq = ntohl(net->seq); if (queue_add(rs_queue, &cn->qnode) < 0) { if (errno == ENOSPC) { rs_queue_purge_full(); queue_add(rs_queue, &cn->qnode); } } /* we release the object once we get the acknowlegment */ break; } } return 0; } static void ftfw_xmit(void) { queue_iterate(STATE_SYNC(tx_queue), NULL, tx_queue_xmit); add_alarm(&alive_alarm, ALIVE_INT, 0); dp("tx_queue_len:%u rs_queue_len:%u\n", queue_len(tx_queue), queue_len(rs_queue)); } static void ftfw_enqueue(struct cache_object *obj, int type) { struct cache_ftfw *cn = cache_get_extra(obj); if (queue_in(rs_queue, &cn->qnode)) { queue_del(&cn->qnode); queue_add(STATE_SYNC(tx_queue), &cn->qnode); } else { if (queue_add(STATE_SYNC(tx_queue), &cn->qnode) > 0) cache_object_get(obj); } } struct sync_mode sync_ftfw = { .internal_cache_flags = NO_FEATURES, .external_cache_flags = NO_FEATURES, .internal_cache_extra = &cache_ftfw_extra, .init = ftfw_init, .kill = ftfw_kill, .local = ftfw_local, .recv = ftfw_recv, .enqueue = ftfw_enqueue, .xmit = ftfw_xmit, }; conntrack-1.4.3/src/sync-mode.c000066400000000000000000000453511257407526400163560ustar00rootroot00000000000000/* * (C) 2006-2012 by Pablo Neira Ayuso * (C) 2011 by Vyatta 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "sync.h" #include "netlink.h" #include "traffic_stats.h" #include "log.h" #include "cache.h" #include "conntrackd.h" #include "network.h" #include "fds.h" #include "event.h" #include "queue.h" #include "process.h" #include "origin.h" #include "internal.h" #include "external.h" #include #include #include #include #include #include #include #include static struct nf_conntrack *msg2ct_alloc(struct nethdr *net, size_t remain) { struct nf_conntrack *ct; /* TODO: add stats on ENOMEM errors in the future. */ ct = nfct_new(); if (ct == NULL) return NULL; if (msg2ct(ct, net, remain) == -1) { STATE_SYNC(error).msg_rcv_malformed++; STATE_SYNC(error).msg_rcv_bad_payload++; nfct_destroy(ct); return NULL; } return ct; } static struct nf_expect *msg2exp_alloc(struct nethdr *net, size_t remain) { struct nf_expect *exp; /* TODO: add stats on ENOMEM errors in the future. */ exp = nfexp_new(); if (exp == NULL) return NULL; if (msg2exp(exp, net, remain) == -1) { STATE_SYNC(error).msg_rcv_malformed++; STATE_SYNC(error).msg_rcv_bad_payload++; nfexp_destroy(exp); return NULL; } return exp; } static void do_channel_handler_step(struct channel *c, struct nethdr *net, size_t remain) { struct nf_conntrack *ct = NULL; struct nf_expect *exp = NULL; if (net->version != CONNTRACKD_PROTOCOL_VERSION) { STATE_SYNC(error).msg_rcv_malformed++; STATE_SYNC(error).msg_rcv_bad_version++; return; } switch (STATE_SYNC(sync)->recv(net)) { case MSG_DATA: multichannel_change_current_channel(STATE_SYNC(channel), c); break; case MSG_CTL: multichannel_change_current_channel(STATE_SYNC(channel), c); return; case MSG_BAD: STATE_SYNC(error).msg_rcv_malformed++; STATE_SYNC(error).msg_rcv_bad_header++; return; case MSG_DROP: return; default: break; } if (net->type > NET_T_STATE_MAX) { STATE_SYNC(error).msg_rcv_malformed++; STATE_SYNC(error).msg_rcv_bad_type++; return; } switch(net->type) { case NET_T_STATE_CT_NEW: ct = msg2ct_alloc(net, remain); if (ct == NULL) return; STATE_SYNC(external)->ct.new(ct); break; case NET_T_STATE_CT_UPD: ct = msg2ct_alloc(net, remain); if (ct == NULL) return; STATE_SYNC(external)->ct.upd(ct); break; case NET_T_STATE_CT_DEL: ct = msg2ct_alloc(net, remain); if (ct == NULL) return; STATE_SYNC(external)->ct.del(ct); break; case NET_T_STATE_EXP_NEW: exp = msg2exp_alloc(net, remain); if (exp == NULL) return; STATE_SYNC(external)->exp.new(exp); break; case NET_T_STATE_EXP_UPD: exp = msg2exp_alloc(net, remain); if (exp == NULL) return; STATE_SYNC(external)->exp.upd(exp); break; case NET_T_STATE_EXP_DEL: exp = msg2exp_alloc(net, remain); if (exp == NULL) return; STATE_SYNC(external)->exp.del(exp); break; default: STATE_SYNC(error).msg_rcv_malformed++; STATE_SYNC(error).msg_rcv_bad_type++; break; } if (ct != NULL) nfct_destroy(ct); if (exp != NULL) nfexp_destroy(exp); } static char __net[65536]; /* XXX: maximum MTU for IPv4 */ static char *cur = __net; static int channel_stream(struct channel *m, const char *ptr, ssize_t remain) { if (m->channel_flags & CHANNEL_F_STREAM) { /* truncated data. */ memcpy(__net, ptr, remain); cur = __net + remain; return 1; } return 0; } /* handler for messages received */ static int channel_handler_routine(struct channel *m) { ssize_t numbytes; ssize_t remain, pending = cur - __net; char *ptr = __net; numbytes = channel_recv(m, cur, sizeof(__net) - pending); if (numbytes <= 0) return -1; remain = numbytes; if (pending) { remain += pending; cur = __net; } while (remain > 0) { struct nethdr *net = (struct nethdr *) ptr; int len; if (remain < NETHDR_SIZ) { if (!channel_stream(m, ptr, remain)) { STATE_SYNC(error).msg_rcv_malformed++; STATE_SYNC(error).msg_rcv_truncated++; } break; } len = ntohs(net->len); if (len <= 0) { STATE_SYNC(error).msg_rcv_malformed++; STATE_SYNC(error).msg_rcv_bad_size++; break; } if (len > remain) { if (!channel_stream(m, ptr, remain)) { STATE_SYNC(error).msg_rcv_malformed++; STATE_SYNC(error).msg_rcv_bad_size++; } break; } if (IS_ACK(net) || IS_NACK(net) || IS_RESYNC(net)) { if (remain < NETHDR_ACK_SIZ) { if (!channel_stream(m, ptr, remain)) { STATE_SYNC(error).msg_rcv_malformed++; STATE_SYNC(error).msg_rcv_truncated++; } break; } if (len < NETHDR_ACK_SIZ) { STATE_SYNC(error).msg_rcv_malformed++; STATE_SYNC(error).msg_rcv_bad_size++; break; } } else { if (len < NETHDR_SIZ) { STATE_SYNC(error).msg_rcv_malformed++; STATE_SYNC(error).msg_rcv_bad_size++; break; } } HDR_NETWORK2HOST(net); do_channel_handler_step(m, net, remain); ptr += net->len; remain -= net->len; } return 0; } /* handler for messages received */ static void channel_handler(void *data) { struct channel *c = data; int k; for (k=0; kchannel_num; i++) { idx = multichannel_get_ifindex(STATE_SYNC(channel), i); if (idx == multichannel_get_current_ifindex(STATE_SYNC(channel))) continue; nlif_get_ifflags(STATE_SYNC(interface), idx, &flags); if (flags & (IFF_RUNNING | IFF_UP)) { multichannel_set_current_channel(STATE_SYNC(channel), i); dlog(LOG_NOTICE, "device `%s' becomes " "dedicated link", if_indextoname(idx, buf)); return; } } dlog(LOG_ERR, "no dedicated links available!"); } static void interface_handler(void *data) { int idx = multichannel_get_current_ifindex(STATE_SYNC(channel)); unsigned int flags; nlif_catch(STATE_SYNC(interface)); nlif_get_ifflags(STATE_SYNC(interface), idx, &flags); if (!(flags & IFF_RUNNING) || !(flags & IFF_UP)) interface_candidate(); } static void do_reset_cache_alarm(struct alarm_block *a, void *data) { STATE(stats).nl_kernel_table_flush++; dlog(LOG_NOTICE, "flushing kernel conntrack table (scheduled)"); /* fork a child process that performs the flush operation, * meanwhile the parent process handles events. */ if (fork_process_new(CTD_PROC_FLUSH, CTD_PROC_F_EXCL, NULL, NULL) == 0) { nl_flush_conntrack_table_selective(); exit(EXIT_SUCCESS); } /* this is not required if events don't get lost */ STATE(mode)->internal->ct.flush(); } static void commit_cb(void *data) { int ret; read_evfd(STATE_SYNC(commit).evfd); ret = STATE_SYNC(commit).rq[0].cb(STATE_SYNC(commit).h, 0); if (ret == 0) { /* we still have things in the callback queue. */ if (STATE_SYNC(commit).rq[1].cb) { int fd = STATE_SYNC(commit).clientfd; STATE_SYNC(commit).rq[0].cb = STATE_SYNC(commit).rq[1].cb; STATE_SYNC(commit).rq[1].cb = NULL; STATE_SYNC(commit).clientfd = -1; STATE_SYNC(commit).rq[0].cb(STATE_SYNC(commit).h, fd); } else { /* Close the client socket now, we're done. */ close(STATE_SYNC(commit).clientfd); STATE_SYNC(commit).clientfd = -1; } } } static void channel_accept_cb(void *data) { struct channel *c = data; int fd; fd = channel_accept(data); if (fd < 0) return; register_fd(fd, channel_handler, c, STATE(fds)); } static void tx_queue_cb(void *data) { STATE_SYNC(sync)->xmit(); /* flush pending messages */ multichannel_send_flush(STATE_SYNC(channel)); } static int init_sync(void) { int i; state.sync = malloc(sizeof(struct ct_sync_state)); if (!state.sync) { dlog(LOG_ERR, "can't allocate memory for sync"); return -1; } memset(state.sync, 0, sizeof(struct ct_sync_state)); if (CONFIG(flags) & CTD_SYNC_FTFW) STATE_SYNC(sync) = &sync_ftfw; else if (CONFIG(flags) & CTD_SYNC_ALARM) STATE_SYNC(sync) = &sync_alarm; else if (CONFIG(flags) & CTD_SYNC_NOTRACK) STATE_SYNC(sync) = &sync_notrack; else { fprintf(stderr, "WARNING: No synchronization mode specified. " "Defaulting to FT-FW mode.\n"); CONFIG(flags) |= CTD_SYNC_FTFW; STATE_SYNC(sync) = &sync_ftfw; } if (STATE_SYNC(sync)->init) STATE_SYNC(sync)->init(); if (CONFIG(sync).internal_cache_disable == 0) { STATE(mode)->internal = &internal_cache; } else { STATE(mode)->internal = &internal_bypass; dlog(LOG_NOTICE, "disabling internal cache"); } if (STATE(mode)->internal->init() == -1) return -1; if (CONFIG(sync).external_cache_disable == 0) { STATE_SYNC(external) = &external_cache; } else { STATE_SYNC(external) = &external_inject; dlog(LOG_NOTICE, "disabling external cache"); } if (STATE_SYNC(external)->init() == -1) return -1; if (channel_init() == -1) return -1; /* channel to send events on the wire */ STATE_SYNC(channel) = multichannel_open(CONFIG(channel), CONFIG(channel_num)); if (STATE_SYNC(channel) == NULL) { dlog(LOG_ERR, "can't open channel socket"); return -1; } for (i=0; ichannel_num; i++) { int fd = channel_get_fd(STATE_SYNC(channel)->channel[i]); fcntl(fd, F_SETFL, O_NONBLOCK); switch(channel_type(STATE_SYNC(channel)->channel[i])) { case CHANNEL_T_STREAM: register_fd(fd, channel_accept_cb, STATE_SYNC(channel)->channel[i], STATE(fds)); break; case CHANNEL_T_DATAGRAM: register_fd(fd, channel_handler, STATE_SYNC(channel)->channel[i], STATE(fds)); break; } } STATE_SYNC(interface) = nl_init_interface_handler(); if (!STATE_SYNC(interface)) { dlog(LOG_ERR, "can't open interface watcher"); return -1; } if (register_fd(nlif_fd(STATE_SYNC(interface)), interface_handler, NULL, STATE(fds)) == -1) return -1; STATE_SYNC(tx_queue) = queue_create("txqueue", INT_MAX, QUEUE_F_EVFD); if (STATE_SYNC(tx_queue) == NULL) { dlog(LOG_ERR, "cannot create tx queue"); return -1; } if (register_fd(queue_get_eventfd(STATE_SYNC(tx_queue)), tx_queue_cb, NULL, STATE(fds)) == -1) return -1; STATE_SYNC(commit).h = nfct_open(CONFIG(netlink).subsys_id, 0); if (STATE_SYNC(commit).h == NULL) { dlog(LOG_ERR, "can't create handler to commit"); return -1; } origin_register(STATE_SYNC(commit).h, CTD_ORIGIN_COMMIT); STATE_SYNC(commit).evfd = create_evfd(); if (STATE_SYNC(commit).evfd == NULL) { dlog(LOG_ERR, "can't create eventfd to commit"); return -1; } if (register_fd(get_read_evfd(STATE_SYNC(commit).evfd), commit_cb, NULL, STATE(fds)) == -1) { return -1; } STATE_SYNC(commit).clientfd = -1; init_alarm(&STATE_SYNC(reset_cache_alarm), NULL, do_reset_cache_alarm); /* initialization of message sequence generation */ STATE_SYNC(last_seq_sent) = time(NULL); return 0; } static void kill_sync(void) { STATE(mode)->internal->close(); STATE_SYNC(external)->close(); multichannel_close(STATE_SYNC(channel)); nlif_close(STATE_SYNC(interface)); queue_destroy(STATE_SYNC(tx_queue)); channel_end(); origin_unregister(STATE_SYNC(commit).h); nfct_close(STATE_SYNC(commit).h); destroy_evfd(STATE_SYNC(commit).evfd); if (STATE_SYNC(sync)->kill) STATE_SYNC(sync)->kill(); } static void dump_stats_sync(int fd) { char buf[512]; int size; size = sprintf(buf, "message tracking:\n" "%20llu Malformed msgs " "%20llu Lost msgs\n\n", (unsigned long long)STATE_SYNC(error).msg_rcv_malformed, (unsigned long long)STATE_SYNC(error).msg_rcv_lost); send(fd, buf, size, 0); } static void dump_stats_sync_extended(int fd) { char buf[512]; int size; size = snprintf(buf, sizeof(buf), "network statistics:\n" "\trecv:\n" "\t\tMalformed messages:\t%20llu\n" "\t\tWrong protocol version:\t%20u\n" "\t\tMalformed header:\t%20u\n" "\t\tMalformed payload:\t%20u\n" "\t\tBad message type:\t%20u\n" "\t\tTruncated message:\t%20u\n" "\t\tBad message size:\t%20u\n" "\tsend:\n" "\t\tMalformed messages:\t%20u\n\n" "sequence tracking statistics:\n" "\trecv:\n" "\t\tPackets lost:\t\t%20llu\n" "\t\tPackets before:\t\t%20llu\n\n", (unsigned long long)STATE_SYNC(error).msg_rcv_malformed, STATE_SYNC(error).msg_rcv_bad_version, STATE_SYNC(error).msg_rcv_bad_header, STATE_SYNC(error).msg_rcv_bad_payload, STATE_SYNC(error).msg_rcv_bad_type, STATE_SYNC(error).msg_rcv_truncated, STATE_SYNC(error).msg_rcv_bad_size, STATE_SYNC(error).msg_snd_malformed, (unsigned long long)STATE_SYNC(error).msg_rcv_lost, (unsigned long long)STATE_SYNC(error).msg_rcv_before); send(fd, buf, size, 0); } static int local_commit(int fd) { int ret; /* delete the reset alarm if any before committing */ del_alarm(&STATE_SYNC(reset_cache_alarm)); ret = STATE_SYNC(commit).rq[0].cb(STATE_SYNC(commit).h, fd); if (ret == -1) { dlog(LOG_NOTICE, "commit already in progress, skipping"); ret = LOCAL_RET_OK; } else if (ret == 0) { /* we've finished the commit. */ ret = LOCAL_RET_OK; } else { /* Keep open the client, we want synchronous commit. */ ret = LOCAL_RET_STOLEN; } return ret; } /* handler for requests coming via UNIX socket */ static int local_handler_sync(int fd, int type, void *data) { int ret = LOCAL_RET_OK; switch(type) { case CT_DUMP_INTERNAL: if (fork_process_new(CTD_PROC_ANY, 0, NULL, NULL) == 0) { STATE(mode)->internal->ct.dump(fd, NFCT_O_PLAIN); exit(EXIT_SUCCESS); } break; case CT_DUMP_EXTERNAL: if (fork_process_new(CTD_PROC_ANY, 0, NULL, NULL) == 0) { STATE_SYNC(external)->ct.dump(fd, NFCT_O_PLAIN); exit(EXIT_SUCCESS); } break; case CT_DUMP_INT_XML: if (fork_process_new(CTD_PROC_ANY, 0, NULL, NULL) == 0) { STATE(mode)->internal->ct.dump(fd, NFCT_O_XML); exit(EXIT_SUCCESS); } break; case CT_DUMP_EXT_XML: if (fork_process_new(CTD_PROC_ANY, 0, NULL, NULL) == 0) { STATE_SYNC(external)->ct.dump(fd, NFCT_O_XML); exit(EXIT_SUCCESS); } break; case CT_COMMIT: dlog(LOG_NOTICE, "committing conntrack cache"); STATE_SYNC(commit).rq[0].cb = STATE_SYNC(external)->ct.commit; STATE_SYNC(commit).rq[1].cb = NULL; ret = local_commit(fd); break; case RESET_TIMERS: if (!alarm_pending(&STATE_SYNC(reset_cache_alarm))) { dlog(LOG_NOTICE, "flushing conntrack table in %d secs", CONFIG(purge_timeout)); add_alarm(&STATE_SYNC(reset_cache_alarm), CONFIG(purge_timeout), 0); } break; case CT_FLUSH_CACHE: /* if we're still committing, abort this command */ if (STATE_SYNC(commit).clientfd != -1) { dlog(LOG_ERR, "ignoring flush command, " "commit still in progress"); break; } /* inmediate flush, remove pending flush scheduled if any */ del_alarm(&STATE_SYNC(reset_cache_alarm)); dlog(LOG_NOTICE, "flushing caches"); STATE(mode)->internal->ct.flush(); STATE_SYNC(external)->ct.flush(); break; case CT_FLUSH_INT_CACHE: /* inmediate flush, remove pending flush scheduled if any */ del_alarm(&STATE_SYNC(reset_cache_alarm)); dlog(LOG_NOTICE, "flushing internal cache"); STATE(mode)->internal->ct.flush(); break; case CT_FLUSH_EXT_CACHE: /* if we're still committing, abort this command */ if (STATE_SYNC(commit).clientfd != -1) { dlog(LOG_ERR, "ignoring flush command, " "commit still in progress"); break; } dlog(LOG_NOTICE, "flushing external cache"); STATE_SYNC(external)->ct.flush(); break; case STATS: STATE(mode)->internal->ct.stats(fd); STATE_SYNC(external)->ct.stats(fd); dump_traffic_stats(fd); multichannel_stats(STATE_SYNC(channel), fd); dump_stats_sync(fd); break; case STATS_NETWORK: dump_stats_sync_extended(fd); multichannel_stats(STATE_SYNC(channel), fd); break; case STATS_CACHE: STATE(mode)->internal->ct.stats_ext(fd); STATE_SYNC(external)->ct.stats_ext(fd); break; case STATS_LINK: multichannel_stats_extended(STATE_SYNC(channel), STATE_SYNC(interface), fd); break; case STATS_QUEUE: queue_stats_show(fd); break; case EXP_STATS: if (!(CONFIG(flags) & CTD_EXPECT)) break; STATE(mode)->internal->exp.stats(fd); STATE_SYNC(external)->exp.stats(fd); dump_traffic_stats(fd); multichannel_stats(STATE_SYNC(channel), fd); dump_stats_sync(fd); break; case EXP_DUMP_INTERNAL: if (!(CONFIG(flags) & CTD_EXPECT)) break; if (fork_process_new(CTD_PROC_ANY, 0, NULL, NULL) == 0) { STATE(mode)->internal->exp.dump(fd, NFCT_O_PLAIN); exit(EXIT_SUCCESS); } break; case EXP_DUMP_EXTERNAL: if (!(CONFIG(flags) & CTD_EXPECT)) break; if (fork_process_new(CTD_PROC_ANY, 0, NULL, NULL) == 0) { STATE_SYNC(external)->exp.dump(fd, NFCT_O_PLAIN); exit(EXIT_SUCCESS); } break; case EXP_COMMIT: if (!(CONFIG(flags) & CTD_EXPECT)) break; dlog(LOG_NOTICE, "committing expectation cache"); STATE_SYNC(commit).rq[0].cb = STATE_SYNC(external)->exp.commit; STATE_SYNC(commit).rq[1].cb = NULL; ret = local_commit(fd); break; case ALL_FLUSH_CACHE: /* if we're still committing, abort this command */ if (STATE_SYNC(commit).clientfd != -1) { dlog(LOG_ERR, "ignoring flush command, " "commit still in progress"); break; } dlog(LOG_NOTICE, "flushing caches"); STATE(mode)->internal->ct.flush(); STATE_SYNC(external)->ct.flush(); if (CONFIG(flags) & CTD_EXPECT) { STATE(mode)->internal->exp.flush(); STATE_SYNC(external)->exp.flush(); } break; case ALL_COMMIT: dlog(LOG_NOTICE, "committing all external caches"); STATE_SYNC(commit).rq[0].cb = STATE_SYNC(external)->ct.commit; if (CONFIG(flags) & CTD_EXPECT) { STATE_SYNC(commit).rq[1].cb = STATE_SYNC(external)->exp.commit; } else { STATE_SYNC(commit).rq[1].cb = NULL; } ret = local_commit(fd); break; case EXP_DUMP_INT_XML: if (fork_process_new(CTD_PROC_ANY, 0, NULL, NULL) == 0) { STATE(mode)->internal->exp.dump(fd, NFCT_O_XML); exit(EXIT_SUCCESS); } break; case EXP_DUMP_EXT_XML: if (fork_process_new(CTD_PROC_ANY, 0, NULL, NULL) == 0) { STATE_SYNC(external)->exp.dump(fd, NFCT_O_XML); exit(EXIT_SUCCESS); } break; default: if (STATE_SYNC(sync)->local) ret = STATE_SYNC(sync)->local(fd, type, data); break; } return ret; } struct ct_mode sync_mode = { .init = init_sync, .local = local_handler_sync, .kill = kill_sync, /* the internal handler is set in run-time. */ }; conntrack-1.4.3/src/sync-notrack.c000066400000000000000000000141571257407526400170730ustar00rootroot00000000000000/* * (C) 2006-2011 by Pablo Neira Ayuso * (C) 2011 by Vyatta 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "conntrackd.h" #include "sync.h" #include "queue.h" #include "network.h" #include "log.h" #include "cache.h" #include "fds.h" #include static struct alarm_block alive_alarm; /* XXX: alive message expiration configurable */ #define ALIVE_INT 1 struct cache_notrack { struct queue_node qnode; struct cache_object *obj; }; static void cache_notrack_add(struct cache_object *obj, void *data) { struct cache_notrack *cn = data; queue_node_init(&cn->qnode, Q_ELEM_OBJ); cn->obj = obj; } static void cache_notrack_del(struct cache_object *obj, void *data) { struct cache_notrack *cn = data; queue_del(&cn->qnode); } static struct cache_extra cache_notrack_extra = { .size = sizeof(struct cache_notrack), .add = cache_notrack_add, .destroy = cache_notrack_del }; static void tx_queue_add_ctlmsg(uint32_t flags, uint32_t from, uint32_t to) { struct queue_object *qobj; struct nethdr_ack *ack; qobj = queue_object_new(Q_ELEM_CTL, sizeof(struct nethdr_ack)); if (qobj == NULL) return; ack = (struct nethdr_ack *)qobj->data; ack->type = NET_T_CTL; ack->flags = flags; ack->from = from; ack->to = to; if (queue_add(STATE_SYNC(tx_queue), &qobj->qnode) < 0) queue_object_free(qobj); } static int do_cache_to_tx(void *data1, void *data2) { struct cache_object *obj = data2; struct cache_notrack *cn = cache_get_extra(obj); if (queue_add(STATE_SYNC(tx_queue), &cn->qnode) > 0) cache_object_get(obj); return 0; } static int kernel_resync_cb(enum nf_conntrack_msg_type type, struct nf_conntrack *ct, void *data) { struct nethdr *net; net = BUILD_NETMSG_FROM_CT(ct, NET_T_STATE_CT_NEW); multichannel_send(STATE_SYNC(channel), net); return NFCT_CB_CONTINUE; } /* Only used if the internal cache is disabled. */ static void kernel_resync(void) { struct nfct_handle *h; uint32_t family = AF_UNSPEC; int ret; h = nfct_open(CONFIG(netlink).subsys_id, 0); if (h == NULL) { dlog(LOG_ERR, "can't allocate memory for the internal cache"); return; } nfct_callback_register(h, NFCT_T_ALL, kernel_resync_cb, NULL); ret = nfct_query(h, NFCT_Q_DUMP, &family); if (ret == -1) { dlog(LOG_ERR, "can't dump kernel table"); } nfct_close(h); } static int notrack_local(int fd, int type, void *data) { int ret = LOCAL_RET_OK; switch(type) { case REQUEST_DUMP: dlog(LOG_NOTICE, "request resync"); tx_queue_add_ctlmsg(NET_F_RESYNC, 0, 0); break; case SEND_BULK: dlog(LOG_NOTICE, "sending bulk update"); if (CONFIG(sync).internal_cache_disable) { kernel_resync(); } else { cache_iterate(STATE(mode)->internal->ct.data, NULL, do_cache_to_tx); cache_iterate(STATE(mode)->internal->exp.data, NULL, do_cache_to_tx); } break; default: ret = 0; break; } return ret; } static int digest_msg(const struct nethdr *net) { if (IS_DATA(net)) return MSG_DATA; if (IS_RESYNC(net)) { if (CONFIG(sync).internal_cache_disable) { kernel_resync(); } else { cache_iterate(STATE(mode)->internal->ct.data, NULL, do_cache_to_tx); cache_iterate(STATE(mode)->internal->exp.data, NULL, do_cache_to_tx); } return MSG_CTL; } if (IS_ALIVE(net)) return MSG_CTL; return MSG_BAD; } static int notrack_recv(const struct nethdr *net) { int ret; unsigned int exp_seq; nethdr_track_seq(net->seq, &exp_seq); ret = digest_msg(net); if (ret != MSG_BAD) nethdr_track_update_seq(net->seq); return ret; } static int tx_queue_xmit(struct queue_node *n, const void *data2) { switch (n->type) { case Q_ELEM_CTL: { struct nethdr *net = queue_node_data(n); if (IS_RESYNC(net)) nethdr_set_ack(net); else nethdr_set_ctl(net); HDR_HOST2NETWORK(net); multichannel_send(STATE_SYNC(channel), net); queue_del(n); queue_object_free((struct queue_object *)n); break; } case Q_ELEM_OBJ: { struct cache_notrack *cn; int type; struct nethdr *net; cn = (struct cache_notrack *)n; type = object_status_to_network_type(cn->obj); net = cn->obj->cache->ops->build_msg(cn->obj, type); multichannel_send(STATE_SYNC(channel), net); queue_del(n); cache_object_put(cn->obj); break; } } return 0; } static void notrack_xmit(void) { queue_iterate(STATE_SYNC(tx_queue), NULL, tx_queue_xmit); add_alarm(&alive_alarm, ALIVE_INT, 0); } static void notrack_enqueue(struct cache_object *obj, int query) { struct cache_notrack *cn = cache_get_extra(obj); if (queue_add(STATE_SYNC(tx_queue), &cn->qnode) > 0) cache_object_get(obj); } static void tx_queue_add_ctlmsg2(uint32_t flags) { struct queue_object *qobj; struct nethdr *ctl; qobj = queue_object_new(Q_ELEM_CTL, sizeof(struct nethdr_ack)); if (qobj == NULL) return; ctl = (struct nethdr *)qobj->data; ctl->type = NET_T_CTL; ctl->flags = flags; if (queue_add(STATE_SYNC(tx_queue), &qobj->qnode) < 0) queue_object_free(qobj); } static void do_alive_alarm(struct alarm_block *a, void *data) { tx_queue_add_ctlmsg2(NET_F_ALIVE); add_alarm(&alive_alarm, ALIVE_INT, 0); } static int notrack_init(void) { init_alarm(&alive_alarm, NULL, do_alive_alarm); add_alarm(&alive_alarm, ALIVE_INT, 0); return 0; } struct sync_mode sync_notrack = { .internal_cache_flags = NO_FEATURES, .external_cache_flags = NO_FEATURES, .internal_cache_extra = &cache_notrack_extra, .init = notrack_init, .local = notrack_local, .recv = notrack_recv, .enqueue = notrack_enqueue, .xmit = notrack_xmit, }; conntrack-1.4.3/src/tcp.c000066400000000000000000000231731257407526400152440ustar00rootroot00000000000000/* * (C) 2009 by Pablo Neira Ayuso * * 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 of the License, or * (at your option) any later version. * * TCP support has been sponsored by 6WIND . */ #include "tcp.h" #include #include #include #include #include #include #include #include #include #include #include "conntrackd.h" #include "fds.h" struct tcp_sock *tcp_server_create(struct tcp_conf *c) { int yes = 1; struct tcp_sock *m; socklen_t socklen = sizeof(int); m = calloc(sizeof(struct tcp_sock), 1); if (m == NULL) return NULL; m->conf = c; switch(c->ipproto) { case AF_INET: m->addr.ipv4.sin_family = AF_INET; m->addr.ipv4.sin_port = htons(c->port); m->addr.ipv4.sin_addr = c->server.ipv4.inet_addr; m->sockaddr_len = sizeof(struct sockaddr_in); break; case AF_INET6: m->addr.ipv6.sin6_family = AF_INET6; m->addr.ipv6.sin6_port = htons(c->port); m->addr.ipv6.sin6_addr = c->server.ipv6.inet_addr6; m->addr.ipv6.sin6_scope_id = c->server.ipv6.scope_id; m->sockaddr_len = sizeof(struct sockaddr_in6); break; } m->fd = socket(c->ipproto, SOCK_STREAM, 0); if (m->fd == -1) { free(m); return NULL; } if (setsockopt(m->fd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(int)) == -1) { close(m->fd); free(m); return NULL; } if (setsockopt(m->fd, SOL_SOCKET, SO_KEEPALIVE, &yes, sizeof(int)) == -1) { close(m->fd); free(m); return NULL; } #ifndef SO_RCVBUFFORCE #define SO_RCVBUFFORCE 33 #endif if (c->rcvbuf && setsockopt(m->fd, SOL_SOCKET, SO_RCVBUFFORCE, &c->rcvbuf, sizeof(int)) == -1) { /* not supported in linux kernel < 2.6.14 */ if (errno != ENOPROTOOPT) { close(m->fd); free(m); return NULL; } } getsockopt(m->fd, SOL_SOCKET, SO_RCVBUF, &c->rcvbuf, &socklen); if (bind(m->fd, (struct sockaddr *) &m->addr, m->sockaddr_len) == -1) { close(m->fd); free(m); return NULL; } if (listen(m->fd, 1) == -1) { close(m->fd); free(m); return NULL; } if (fcntl(m->fd, F_SETFL, O_NONBLOCK) == -1) { close(m->fd); free(m); return NULL; } m->state = TCP_SERVER_ACCEPTING; return m; } void tcp_server_destroy(struct tcp_sock *m) { close(m->fd); free(m); } static int tcp_client_init(struct tcp_sock *m, struct tcp_conf *c) { int ret = 0; socklen_t socklen = sizeof(int); m->fd = socket(c->ipproto, SOCK_STREAM, 0); if (m->fd == -1) return -1; if (setsockopt(m->fd, SOL_SOCKET, SO_NO_CHECK, &c->checksum, sizeof(int)) == -1) { close(m->fd); return -1; } #ifndef SO_SNDBUFFORCE #define SO_SNDBUFFORCE 32 #endif if (c->sndbuf && setsockopt(m->fd, SOL_SOCKET, SO_SNDBUFFORCE, &c->sndbuf, sizeof(int)) == -1) { /* not supported in linux kernel < 2.6.14 */ if (errno != ENOPROTOOPT) { close(m->fd); return -1; } } getsockopt(m->fd, SOL_SOCKET, SO_SNDBUF, &c->sndbuf, &socklen); switch(c->ipproto) { case AF_INET: m->addr.ipv4.sin_family = AF_INET; m->addr.ipv4.sin_port = htons(c->port); m->addr.ipv4.sin_addr = c->client.inet_addr; m->sockaddr_len = sizeof(struct sockaddr_in); break; case AF_INET6: m->addr.ipv6.sin6_family = AF_INET6; m->addr.ipv6.sin6_port = htons(c->port); memcpy(&m->addr.ipv6.sin6_addr, &c->client.inet_addr6, sizeof(struct in6_addr)); m->sockaddr_len = sizeof(struct sockaddr_in6); break; default: ret = -1; break; } if (ret == -1) { close(m->fd); return -1; } if (fcntl(m->fd, F_SETFL, O_NONBLOCK) == -1) { close(m->fd); return -1; } ret = connect(m->fd, (struct sockaddr *)&m->addr, m->sockaddr_len); if (ret == -1) { if (errno == EINPROGRESS) { /* connection in progress ... */ m->state = TCP_CLIENT_DISCONNECTED; } else if (errno == ECONNREFUSED) { /* connection refused. */ m->state = TCP_CLIENT_DISCONNECTED; } else { /* unexpected error, give up. */ close(m->fd); return -1; } } else { /* very unlikely at this stage. */ m->state = TCP_CLIENT_CONNECTED; } return 0; } /* We use this to rate-limit the amount of connect() calls per second. */ static struct alarm_block tcp_connect_alarm; static void tcp_connect_alarm_cb(struct alarm_block *a, void *data) {} struct tcp_sock *tcp_client_create(struct tcp_conf *c) { struct tcp_sock *m; m = calloc(sizeof(struct tcp_sock), 1); if (m == NULL) return NULL; m->conf = c; if (tcp_client_init(m, c) == -1) { free(m); return NULL; } init_alarm(&tcp_connect_alarm, NULL, tcp_connect_alarm_cb); return m; } void tcp_client_destroy(struct tcp_sock *m) { close(m->fd); free(m); } int tcp_accept(struct tcp_sock *m) { int ret; /* we got an attempt to connect but we already have a client? */ if (m->state != TCP_SERVER_ACCEPTING) { /* clear the session and restart ... */ unregister_fd(m->client_fd, STATE(fds)); close(m->client_fd); m->client_fd = -1; m->state = TCP_SERVER_ACCEPTING; } /* the other peer wants to connect ... */ ret = accept(m->fd, NULL, NULL); if (ret == -1) { /* unexpected error: Give us another try. Or we have hit * -EAGAIN, in that case we remain in the accepting connections * state. */ m->state = TCP_SERVER_ACCEPTING; } else { /* the peer finally got connected. */ if (fcntl(ret, F_SETFL, O_NONBLOCK) == -1) { /* close the connection and give us another chance. */ close(ret); return -1; } m->client_fd = ret; m->state = TCP_SERVER_CONNECTED; } return m->client_fd; } #define TCP_CONNECT_TIMEOUT 1 ssize_t tcp_send(struct tcp_sock *m, const void *data, int size) { ssize_t ret = 0; switch(m->state) { case TCP_CLIENT_DISCONNECTED: /* We rate-limit the amount of connect() calls. */ if (alarm_pending(&tcp_connect_alarm)) { ret = -1; break; } add_alarm(&tcp_connect_alarm, TCP_CONNECT_TIMEOUT, 0); ret = connect(m->fd, (struct sockaddr *)&m->addr, m->sockaddr_len); if (ret == -1) { if (errno == EINPROGRESS || errno == EALREADY) { /* connection in progress or already trying. */ m->state = TCP_CLIENT_DISCONNECTED; } else if (errno == ECONNREFUSED) { /* connection refused. */ m->state = TCP_CLIENT_DISCONNECTED; m->stats.error++; } else { /* unexpected error, give up. */ m->state = TCP_CLIENT_DISCONNECTED; m->stats.error++; } break; } else { /* we got connected :) */ m->state = TCP_CLIENT_CONNECTED; } case TCP_CLIENT_CONNECTED: ret = sendto(m->fd, data, size, 0, (struct sockaddr *) &m->addr, m->sockaddr_len); if (ret == -1) { if (errno == EPIPE || errno == ECONNRESET) { close(m->fd); tcp_client_init(m, m->conf); m->state = TCP_CLIENT_DISCONNECTED; m->stats.error++; } else { m->stats.error++; return -1; } } } if (ret >= 0) { m->stats.bytes += ret; m->stats.messages++; } return ret; } ssize_t tcp_recv(struct tcp_sock *m, void *data, int size) { ssize_t ret = 0; socklen_t sin_size = sizeof(struct sockaddr_in); /* we are not connected, skip. */ if (m->state != TCP_SERVER_CONNECTED) return 0; ret = recvfrom(m->client_fd, data, size, 0, (struct sockaddr *)&m->addr, &sin_size); if (ret == -1) { /* the other peer has disconnected... */ if (errno == ENOTCONN) { unregister_fd(m->client_fd, STATE(fds)); close(m->client_fd); m->client_fd = -1; m->state = TCP_SERVER_ACCEPTING; } else if (errno != EAGAIN) { m->stats.error++; } } else if (ret == 0) { /* the other peer has closed the connection... */ unregister_fd(m->client_fd, STATE(fds)); close(m->client_fd); m->client_fd = -1; m->state = TCP_SERVER_ACCEPTING; } if (ret >= 0) { m->stats.bytes += ret; m->stats.messages++; } return ret; } int tcp_get_fd(struct tcp_sock *m) { return m->fd; } int tcp_isset(struct tcp_sock *m, fd_set *readfds) { return m->client_fd >= 0 ? FD_ISSET(m->client_fd, readfds) : 0; } int tcp_accept_isset(struct tcp_sock *m, fd_set *readfds) { return FD_ISSET(m->fd, readfds); } int tcp_snprintf_stats(char *buf, size_t buflen, char *ifname, struct tcp_sock *client, struct tcp_sock *server) { size_t size; struct tcp_stats *s = &client->stats, *r = &server->stats; size = snprintf(buf, buflen, "TCP traffic (active device=%s) " "server=%s client=%s:\n" "%20llu Bytes sent " "%20llu Bytes recv\n" "%20llu Pckts sent " "%20llu Pckts recv\n" "%20llu Error send " "%20llu Error recv\n\n", ifname, server->state == TCP_SERVER_CONNECTED ? "connected" : "disconnected", client->state == TCP_CLIENT_CONNECTED ? "connected" : "disconnected", (unsigned long long)s->bytes, (unsigned long long)r->bytes, (unsigned long long)s->messages, (unsigned long long)r->messages, (unsigned long long)s->error, (unsigned long long)r->error); return size; } int tcp_snprintf_stats2(char *buf, size_t buflen, const char *ifname, const char *status, int active, struct tcp_stats *s, struct tcp_stats *r) { size_t size; size = snprintf(buf, buflen, "TCP traffic device=%s status=%s role=%s:\n" "%20llu Bytes sent " "%20llu Bytes recv\n" "%20llu Pckts sent " "%20llu Pckts recv\n" "%20llu Error send " "%20llu Error recv\n\n", ifname, status, active ? "ACTIVE" : "BACKUP", (unsigned long long)s->bytes, (unsigned long long)r->bytes, (unsigned long long)s->messages, (unsigned long long)r->messages, (unsigned long long)s->error, (unsigned long long)r->error); return size; } conntrack-1.4.3/src/traffic_stats.c000066400000000000000000000031411257407526400173030ustar00rootroot00000000000000/* * (C) 2006 by Pablo Neira Ayuso * * 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "traffic_stats.h" #include "conntrackd.h" void update_traffic_stats(struct nf_conntrack *ct) { STATE(stats).bytes_orig += nfct_get_attr_u32(ct, ATTR_ORIG_COUNTER_BYTES); STATE(stats).bytes_repl += nfct_get_attr_u32(ct, ATTR_REPL_COUNTER_BYTES); STATE(stats).packets_orig += nfct_get_attr_u32(ct, ATTR_ORIG_COUNTER_PACKETS); STATE(stats).packets_repl += nfct_get_attr_u32(ct, ATTR_REPL_COUNTER_PACKETS); } void dump_traffic_stats(int fd) { char buf[512]; int size; uint64_t bytes = STATE(stats).bytes_orig + STATE(stats).bytes_repl; uint64_t packets = STATE(stats).packets_orig + STATE(stats).packets_repl; size = sprintf(buf, "traffic processed:\n"); size += sprintf(buf+size, "%20llu Bytes ", (unsigned long long)bytes); size += sprintf(buf+size, "%20llu Pckts\n\n", (unsigned long long)packets); send(fd, buf, size, 0); } conntrack-1.4.3/src/udp.c000066400000000000000000000134001257407526400152360ustar00rootroot00000000000000/* * (C) 2009 by Pablo Neira Ayuso * * 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 of the License, or * (at your option) any later version. */ #include "udp.h" #include #include #include #include #include #include #include #include #include struct udp_sock *udp_server_create(struct udp_conf *conf) { int yes = 1; struct udp_sock *m; socklen_t socklen = sizeof(int); m = calloc(sizeof(struct udp_sock), 1); if (m == NULL) return NULL; switch(conf->ipproto) { case AF_INET: m->addr.ipv4.sin_family = AF_INET; m->addr.ipv4.sin_port = htons(conf->port); m->addr.ipv4.sin_addr = conf->server.ipv4.inet_addr; m->sockaddr_len = sizeof(struct sockaddr_in); break; case AF_INET6: m->addr.ipv6.sin6_family = AF_INET6; m->addr.ipv6.sin6_port = htons(conf->port); m->addr.ipv6.sin6_addr = conf->server.ipv6.inet_addr6; m->addr.ipv6.sin6_scope_id = conf->server.ipv6.scope_id; m->sockaddr_len = sizeof(struct sockaddr_in6); break; } m->fd = socket(conf->ipproto, SOCK_DGRAM, 0); if (m->fd == -1) { free(m); return NULL; } if (setsockopt(m->fd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(int)) == -1) { close(m->fd); free(m); return NULL; } #ifndef SO_RCVBUFFORCE #define SO_RCVBUFFORCE 33 #endif if (conf->rcvbuf && setsockopt(m->fd, SOL_SOCKET, SO_RCVBUFFORCE, &conf->rcvbuf, sizeof(int)) == -1) { /* not supported in linux kernel < 2.6.14 */ if (errno != ENOPROTOOPT) { close(m->fd); free(m); return NULL; } } getsockopt(m->fd, SOL_SOCKET, SO_RCVBUF, &conf->rcvbuf, &socklen); if (bind(m->fd, (struct sockaddr *) &m->addr, m->sockaddr_len) == -1) { close(m->fd); free(m); return NULL; } return m; } void udp_server_destroy(struct udp_sock *m) { close(m->fd); free(m); } struct udp_sock *udp_client_create(struct udp_conf *conf) { int ret = 0; struct udp_sock *m; socklen_t socklen = sizeof(int); m = calloc(sizeof(struct udp_sock), 1); if (m == NULL) return NULL; m->fd = socket(conf->ipproto, SOCK_DGRAM, 0); if (m->fd == -1) { free(m); return NULL; } if (setsockopt(m->fd, SOL_SOCKET, SO_NO_CHECK, &conf->checksum, sizeof(int)) == -1) { close(m->fd); free(m); return NULL; } #ifndef SO_SNDBUFFORCE #define SO_SNDBUFFORCE 32 #endif if (conf->sndbuf && setsockopt(m->fd, SOL_SOCKET, SO_SNDBUFFORCE, &conf->sndbuf, sizeof(int)) == -1) { /* not supported in linux kernel < 2.6.14 */ if (errno != ENOPROTOOPT) { close(m->fd); free(m); return NULL; } } getsockopt(m->fd, SOL_SOCKET, SO_SNDBUF, &conf->sndbuf, &socklen); switch(conf->ipproto) { case AF_INET: m->addr.ipv4.sin_family = AF_INET; m->addr.ipv4.sin_port = htons(conf->port); m->addr.ipv4.sin_addr = conf->client.inet_addr; m->sockaddr_len = sizeof(struct sockaddr_in); break; case AF_INET6: m->addr.ipv6.sin6_family = AF_INET6; m->addr.ipv6.sin6_port = htons(conf->port); memcpy(&m->addr.ipv6.sin6_addr, &conf->client.inet_addr6, sizeof(struct in6_addr)); m->sockaddr_len = sizeof(struct sockaddr_in6); /* Bind the sender side to the same interface that we use to * receive sync messages. */ m->addr.ipv6.sin6_scope_id = conf->server.ipv6.scope_id; break; default: ret = -1; break; } if (ret == -1) { close(m->fd); free(m); m = NULL; } return m; } void udp_client_destroy(struct udp_sock *m) { close(m->fd); free(m); } ssize_t udp_send(struct udp_sock *m, const void *data, int size) { ssize_t ret; ret = sendto(m->fd, data, size, 0, (struct sockaddr *) &m->addr, m->sockaddr_len); if (ret == -1) { m->stats.error++; return ret; } m->stats.bytes += ret; m->stats.messages++; return ret; } ssize_t udp_recv(struct udp_sock *m, void *data, int size) { ssize_t ret; socklen_t sin_size = sizeof(struct sockaddr_in); ret = recvfrom(m->fd, data, size, 0, (struct sockaddr *)&m->addr, &sin_size); if (ret == -1) { if (errno != EAGAIN) m->stats.error++; return ret; } m->stats.bytes += ret; m->stats.messages++; return ret; } int udp_get_fd(struct udp_sock *m) { return m->fd; } int udp_isset(struct udp_sock *m, fd_set *readfds) { return FD_ISSET(m->fd, readfds); } int udp_snprintf_stats(char *buf, size_t buflen, char *ifname, struct udp_stats *s, struct udp_stats *r) { size_t size; size = snprintf(buf, buflen, "UDP traffic (active device=%s):\n" "%20llu Bytes sent " "%20llu Bytes recv\n" "%20llu Pckts sent " "%20llu Pckts recv\n" "%20llu Error send " "%20llu Error recv\n\n", ifname, (unsigned long long)s->bytes, (unsigned long long)r->bytes, (unsigned long long)s->messages, (unsigned long long)r->messages, (unsigned long long)s->error, (unsigned long long)r->error); return size; } int udp_snprintf_stats2(char *buf, size_t buflen, const char *ifname, const char *status, int active, struct udp_stats *s, struct udp_stats *r) { size_t size; size = snprintf(buf, buflen, "UDP traffic device=%s status=%s role=%s:\n" "%20llu Bytes sent " "%20llu Bytes recv\n" "%20llu Pckts sent " "%20llu Pckts recv\n" "%20llu Error send " "%20llu Error recv\n\n", ifname, status, active ? "ACTIVE" : "BACKUP", (unsigned long long)s->bytes, (unsigned long long)r->bytes, (unsigned long long)s->messages, (unsigned long long)r->messages, (unsigned long long)s->error, (unsigned long long)r->error); return size; } conntrack-1.4.3/src/utils.c000066400000000000000000000120051257407526400156060ustar00rootroot00000000000000/* The following code has been extracted from the kenrel sources, if there is * any problem, blame for mangling it. --pablo */ /* * Generic address resultion entity * * Authors: * net_random Alan Cox * net_ratelimit Andi Kleen * in{4,6}_pton YOSHIFUJI Hideaki, Copyright (C)2006 USAGI/WIDE Project * * Created by Alexey Kuznetsov * * 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 of the License, or (at your option) any later version. */ /* * lib/hexdump.c * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. See README and COPYING for * more details. */ #include #include #include /* for memcpy */ #include "helper.h" static int hex_to_bin(char ch) { if ((ch >= '0') && (ch <= '9')) return ch - '0'; ch = tolower(ch); if ((ch >= 'a') && (ch <= 'f')) return ch - 'a' + 10; return -1; } #define IN6PTON_XDIGIT 0x00010000 #define IN6PTON_DIGIT 0x00020000 #define IN6PTON_COLON_MASK 0x00700000 #define IN6PTON_COLON_1 0x00100000 /* single : requested */ #define IN6PTON_COLON_2 0x00200000 /* second : requested */ #define IN6PTON_COLON_1_2 0x00400000 /* :: requested */ #define IN6PTON_DOT 0x00800000 /* . */ #define IN6PTON_DELIM 0x10000000 #define IN6PTON_NULL 0x20000000 /* first/tail */ #define IN6PTON_UNKNOWN 0x40000000 static inline int xdigit2bin(char c, int delim) { int val; if (c == delim || c == '\0') return IN6PTON_DELIM; if (c == ':') return IN6PTON_COLON_MASK; if (c == '.') return IN6PTON_DOT; val = hex_to_bin(c); if (val >= 0) return val | IN6PTON_XDIGIT | (val < 10 ? IN6PTON_DIGIT : 0); if (delim == -1) return IN6PTON_DELIM; return IN6PTON_UNKNOWN; } int in4_pton(const char *src, int srclen, uint8_t *dst, int delim, const char **end) { const char *s; uint8_t *d; uint8_t dbuf[4]; int ret = 0; int i; int w = 0; if (srclen < 0) srclen = strlen(src); s = src; d = dbuf; i = 0; while(1) { int c; c = xdigit2bin(srclen > 0 ? *s : '\0', delim); if (!(c & (IN6PTON_DIGIT | IN6PTON_DOT | IN6PTON_DELIM | IN6PTON_COLON_MASK))) { goto out; } if (c & (IN6PTON_DOT | IN6PTON_DELIM | IN6PTON_COLON_MASK)) { if (w == 0) goto out; *d++ = w & 0xff; w = 0; i++; if (c & (IN6PTON_DELIM | IN6PTON_COLON_MASK)) { if (i != 4) goto out; break; } goto cont; } w = (w * 10) + c; if ((w & 0xffff) > 255) { goto out; } cont: if (i >= 4) goto out; s++; srclen--; } ret = 1; memcpy(dst, dbuf, sizeof(dbuf)); out: if (end) *end = s; return ret; } int in6_pton(const char *src, int srclen, uint8_t *dst, int delim, const char **end) { const char *s, *tok = NULL; uint8_t *d, *dc = NULL; uint8_t dbuf[16]; int ret = 0; int i; int state = IN6PTON_COLON_1_2 | IN6PTON_XDIGIT | IN6PTON_NULL; int w = 0; memset(dbuf, 0, sizeof(dbuf)); s = src; d = dbuf; if (srclen < 0) srclen = strlen(src); while (1) { int c; c = xdigit2bin(srclen > 0 ? *s : '\0', delim); if (!(c & state)) goto out; if (c & (IN6PTON_DELIM | IN6PTON_COLON_MASK)) { /* process one 16-bit word */ if (!(state & IN6PTON_NULL)) { *d++ = (w >> 8) & 0xff; *d++ = w & 0xff; } w = 0; if (c & IN6PTON_DELIM) { /* We've processed last word */ break; } /* * COLON_1 => XDIGIT * COLON_2 => XDIGIT|DELIM * COLON_1_2 => COLON_2 */ switch (state & IN6PTON_COLON_MASK) { case IN6PTON_COLON_2: dc = d; state = IN6PTON_XDIGIT | IN6PTON_DELIM; if (dc - dbuf >= (int)sizeof(dbuf)) state |= IN6PTON_NULL; break; case IN6PTON_COLON_1|IN6PTON_COLON_1_2: state = IN6PTON_XDIGIT | IN6PTON_COLON_2; break; case IN6PTON_COLON_1: state = IN6PTON_XDIGIT; break; case IN6PTON_COLON_1_2: state = IN6PTON_COLON_2; break; default: state = 0; } tok = s + 1; goto cont; } if (c & IN6PTON_DOT) { ret = in4_pton(tok ? tok : s, srclen + (int)(s - tok), d, delim, &s); if (ret > 0) { d += 4; break; } goto out; } w = (w << 4) | (0xff & c); state = IN6PTON_COLON_1 | IN6PTON_DELIM; if (!(w & 0xf000)) { state |= IN6PTON_XDIGIT; } if (!dc && d + 2 < dbuf + sizeof(dbuf)) { state |= IN6PTON_COLON_1_2; state &= ~IN6PTON_DELIM; } if (d + 2 >= dbuf + sizeof(dbuf)) { state &= ~(IN6PTON_COLON_1|IN6PTON_COLON_1_2); } cont: if ((dc && d + 4 < dbuf + sizeof(dbuf)) || d + 4 == dbuf + sizeof(dbuf)) { state |= IN6PTON_DOT; } if (d >= dbuf + sizeof(dbuf)) { state &= ~(IN6PTON_XDIGIT|IN6PTON_COLON_MASK); } s++; srclen--; } i = 15; d--; if (dc) { while(d >= dc) dst[i--] = *d--; while(i >= dc - dbuf) dst[i--] = 0; while(i >= 0) dst[i--] = *d--; } else memcpy(dst, dbuf, sizeof(dbuf)); ret = 1; out: if (end) *end = s; return ret; } conntrack-1.4.3/src/vector.c000066400000000000000000000037251257407526400157610ustar00rootroot00000000000000/* * (C) 2006-2008 by Pablo Neira Ayuso * * 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "vector.h" #include #include struct vector { char *data; unsigned int cur_elems; unsigned int max_elems; size_t size; }; #define DEFAULT_VECTOR_MEMBERS 8 #define DEFAULT_VECTOR_GROWTH 8 struct vector *vector_create(size_t size) { struct vector *v; v = calloc(sizeof(struct vector), 1); if (v == NULL) return NULL; v->size = size; v->cur_elems = 0; v->max_elems = DEFAULT_VECTOR_MEMBERS; v->data = calloc(size * DEFAULT_VECTOR_MEMBERS, 1); if (v->data == NULL) { free(v); return NULL; } return v; } void vector_destroy(struct vector *v) { free(v->data); free(v); } int vector_add(struct vector *v, void *data) { if (v->cur_elems >= v->max_elems) { v->max_elems += DEFAULT_VECTOR_GROWTH; v->data = realloc(v->data, v->max_elems * v->size); if (v->data == NULL) { v->max_elems -= DEFAULT_VECTOR_GROWTH; return -1; } } memcpy(v->data + (v->size * v->cur_elems), data, v->size); v->cur_elems++; return 0; } int vector_iterate(struct vector *v, const void *data, int (*fcn)(const void *a, const void *b)) { unsigned int i; for (i=0; icur_elems; i++) { char *ptr = v->data + (v->size * i); if (fcn(ptr, data)) return 1; } return 0; }