igmpproxy-0.1/0000777000175000001440000000000011262434307010413 500000000000000igmpproxy-0.1/COPYING0000644000175000001440000000230511202621524011353 00000000000000igmpproxy - IGMP proxy based multicast router Copyright (C) 2005 Johnny Egeland 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 This software is derived work from the following software. The original source code has been modified from it's original state by the author of igmpproxy. smcroute 0.92 - Copyright (C) 2001 Carsten Schill - Licensed under the GNU General Public License, version 2 mrouted 3.9-beta3 - COPYRIGHT 1989 by The Board of Trustees of Leland Stanford Junior University. - Original license can be found in the Stanford.txt file. igmpproxy-0.1/config.sub0000755000175000001440000010335311250510443012310 00000000000000#! /bin/sh # Configuration validation subroutine script. # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, # 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 # Free Software Foundation, Inc. timestamp='2009-08-19' # This file is (in principle) common to ALL GNU software. # The presence of a machine in this file suggests that SOME GNU software # can handle that machine. It does not imply ALL GNU software can. # # This file is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA # 02110-1301, USA. # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # Please send patches to . Submit a context # diff and a properly formatted GNU ChangeLog entry. # # Configuration subroutine to validate and canonicalize a configuration type. # Supply the specified configuration type as an argument. # If it is invalid, we print an error message on stderr and exit with code 1. # Otherwise, we print the canonical config type on stdout and succeed. # You can get the latest version of this script from: # http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD # This file is supposed to be the same for all GNU packages # and recognize all the CPU types, system types and aliases # that are meaningful with *any* GNU software. # Each package is responsible for reporting which valid configurations # it does not support. The user should be able to distinguish # a failure to support a valid configuration from a meaningless # configuration. # The goal of this file is to map all the various variations of a given # machine specification into a single specification in the form: # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM # or in some cases, the newer four-part form: # CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM # It is wrong to echo any other type of specification. me=`echo "$0" | sed -e 's,.*/,,'` usage="\ Usage: $0 [OPTION] CPU-MFR-OPSYS $0 [OPTION] ALIAS Canonicalize a configuration name. Operation modes: -h, --help print this help, then exit -t, --time-stamp print date of last modification, then exit -v, --version print version number, then exit Report bugs and patches to ." version="\ GNU config.sub ($timestamp) Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." help=" Try \`$me --help' for more information." # Parse command line while test $# -gt 0 ; do case $1 in --time-stamp | --time* | -t ) echo "$timestamp" ; exit ;; --version | -v ) echo "$version" ; exit ;; --help | --h* | -h ) echo "$usage"; exit ;; -- ) # Stop option processing shift; break ;; - ) # Use stdin as input. break ;; -* ) echo "$me: invalid option $1$help" exit 1 ;; *local*) # First pass through any local machine types. echo $1 exit ;; * ) break ;; esac done case $# in 0) echo "$me: missing argument$help" >&2 exit 1;; 1) ;; *) echo "$me: too many arguments$help" >&2 exit 1;; esac # Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any). # Here we must recognize all the valid KERNEL-OS combinations. maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'` case $maybe_os in nto-qnx* | linux-gnu* | linux-dietlibc | linux-newlib* | linux-uclibc* | \ uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | knetbsd*-gnu* | netbsd*-gnu* | \ kopensolaris*-gnu* | \ storm-chaos* | os2-emx* | rtmk-nova*) os=-$maybe_os basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'` ;; *) basic_machine=`echo $1 | sed 's/-[^-]*$//'` if [ $basic_machine != $1 ] then os=`echo $1 | sed 's/.*-/-/'` else os=; fi ;; esac ### Let's recognize common machines as not being operating systems so ### that things like config.sub decstation-3100 work. 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-sco5) os=-sco3.2v5 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco4) os=-sco3.2v4 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco3.2.[4-9]*) os=`echo $os | sed -e 's/sco3.2./sco3.2v/'` basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco3.2v[4-9]*) # Don't forget version if it is 3.2v4 or newer. basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco5v6*) # Don't forget version if it is 3.2v4 or newer. basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco*) os=-sco3.2v2 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -udk*) basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -isc) os=-isc2.2 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -clix*) basic_machine=clipper-intergraph ;; -isc*) basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -lynx*) os=-lynxos ;; -ptx*) basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'` ;; -windowsnt*) os=`echo $os | sed -e 's/windowsnt/winnt/'` ;; -psos*) os=-psos ;; -mint | -mint[0-9]*) basic_machine=m68k-atari os=-mint ;; esac # Decode aliases for certain CPU-COMPANY combinations. case $basic_machine in # Recognize the basic CPU types without company name. # Some are omitted here because they have special meanings below. 1750a | 580 \ | a29k \ | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \ | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \ | am33_2.0 \ | arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr | avr32 \ | bfin \ | c4x | clipper \ | d10v | d30v | dlx | dsp16xx | dvp \ | fido | fr30 | frv \ | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \ | i370 | i860 | i960 | ia64 \ | ip2k | iq2000 \ | lm32 \ | m32c | m32r | m32rle | m68000 | m68k | m88k \ | maxq | mb | microblaze | mcore | mep | metag \ | mips | mipsbe | mipseb | mipsel | mipsle \ | mips16 \ | mips64 | mips64el \ | mips64octeon | mips64octeonel \ | mips64orion | mips64orionel \ | mips64r5900 | mips64r5900el \ | mips64vr | mips64vrel \ | mips64vr4100 | mips64vr4100el \ | mips64vr4300 | mips64vr4300el \ | mips64vr5000 | mips64vr5000el \ | mips64vr5900 | mips64vr5900el \ | mipsisa32 | mipsisa32el \ | mipsisa32r2 | mipsisa32r2el \ | mipsisa64 | mipsisa64el \ | mipsisa64r2 | mipsisa64r2el \ | mipsisa64sb1 | mipsisa64sb1el \ | mipsisa64sr71k | mipsisa64sr71kel \ | mipstx39 | mipstx39el \ | mn10200 | mn10300 \ | moxie \ | mt \ | msp430 \ | nios | nios2 \ | ns16k | ns32k \ | or32 \ | pdp10 | pdp11 | pj | pjl \ | powerpc | powerpc64 | powerpc64le | powerpcle | ppcbe \ | pyramid \ | score \ | sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \ | sh64 | sh64le \ | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \ | sparcv8 | sparcv9 | sparcv9b | sparcv9v \ | spu | strongarm \ | tahoe | thumb | tic4x | tic80 | tron \ | v850 | v850e \ | we32k \ | x86 | xc16x | xscale | xscalee[bl] | xstormy16 | xtensa \ | z8k | z80) basic_machine=$basic_machine-unknown ;; m6811 | m68hc11 | m6812 | m68hc12) # Motorola 68HC11/12. basic_machine=$basic_machine-unknown os=-none ;; m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k) ;; ms1) basic_machine=mt-unknown ;; # We use `pc' rather than `unknown' # because (1) that's what they normally are, and # (2) the word "unknown" tends to confuse beginning users. i*86 | x86_64) basic_machine=$basic_machine-pc ;; # Object if more than one company name word. *-*-*) echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2 exit 1 ;; # Recognize the basic CPU types with company name. 580-* \ | a29k-* \ | alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \ | alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \ | alphapca5[67]-* | alpha64pca5[67]-* | arc-* \ | arm-* | armbe-* | armle-* | armeb-* | armv*-* \ | avr-* | avr32-* \ | bfin-* | bs2000-* \ | c[123]* | c30-* | [cjt]90-* | c4x-* | c54x-* | c55x-* | c6x-* \ | clipper-* | craynv-* | cydra-* \ | d10v-* | d30v-* | dlx-* \ | elxsi-* \ | f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \ | h8300-* | h8500-* \ | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \ | i*86-* | i860-* | i960-* | ia64-* \ | ip2k-* | iq2000-* \ | lm32-* \ | m32c-* | m32r-* | m32rle-* \ | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \ | m88110-* | m88k-* | maxq-* | mcore-* | metag-* | microblaze-* \ | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \ | mips16-* \ | mips64-* | mips64el-* \ | mips64octeon-* | mips64octeonel-* \ | mips64orion-* | mips64orionel-* \ | mips64r5900-* | mips64r5900el-* \ | mips64vr-* | mips64vrel-* \ | mips64vr4100-* | mips64vr4100el-* \ | mips64vr4300-* | mips64vr4300el-* \ | mips64vr5000-* | mips64vr5000el-* \ | mips64vr5900-* | mips64vr5900el-* \ | mipsisa32-* | mipsisa32el-* \ | mipsisa32r2-* | mipsisa32r2el-* \ | mipsisa64-* | mipsisa64el-* \ | mipsisa64r2-* | mipsisa64r2el-* \ | mipsisa64sb1-* | mipsisa64sb1el-* \ | mipsisa64sr71k-* | mipsisa64sr71kel-* \ | mipstx39-* | mipstx39el-* \ | mmix-* \ | mt-* \ | msp430-* \ | nios-* | nios2-* \ | none-* | np1-* | ns16k-* | ns32k-* \ | orion-* \ | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \ | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* | ppcbe-* \ | pyramid-* \ | romp-* | rs6000-* \ | 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-* | strongarm-* | sv1-* | sx?-* \ | tahoe-* | thumb-* \ | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* | tile-* \ | tron-* \ | v850-* | v850e-* | vax-* \ | we32k-* \ | x86-* | x86_64-* | xc16x-* | xps100-* | xscale-* | xscalee[bl]-* \ | 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 ;; 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) 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 ;; 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We pick the logical manufacturer. vendor=unknown case $basic_machine in *-unknown) case $os in -riscix*) vendor=acorn ;; -sunos*) vendor=sun ;; -cnk*|-aix*) vendor=ibm ;; -beos*) vendor=be ;; -hpux*) vendor=hp ;; -mpeix*) vendor=hp ;; -hiux*) vendor=hitachi ;; -unos*) vendor=crds ;; -dgux*) vendor=dg ;; -luna*) vendor=omron ;; -genix*) vendor=ns ;; -mvs* | -opened*) vendor=ibm ;; -os400*) vendor=ibm ;; -ptx*) vendor=sequent ;; -tpf*) vendor=ibm ;; -vxsim* | -vxworks* | -windiss*) vendor=wrs ;; -aux*) vendor=apple ;; -hms*) vendor=hitachi ;; -mpw* | -macos*) vendor=apple ;; -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*) vendor=atari ;; -vos*) vendor=stratus ;; esac basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"` ;; esac echo $basic_machine$os exit # Local variables: # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "timestamp='" # time-stamp-format: "%:y-%02m-%02d" # time-stamp-end: "'" # End: igmpproxy-0.1/Stanford.txt0000644000175000001440000000472511200072032012641 00000000000000 The mrouted program is covered by the following license. 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The mrouted program is COPYRIGHT 1989 by The Board of Trustees of Leland Stanford Junior University. igmpproxy-0.1/depcomp0000755000175000001440000004426711210466057011721 00000000000000#! /bin/sh # depcomp - compile a program generating dependencies as side-effects scriptversion=2009-04-28.21; # UTC # Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007, 2009 Free # Software Foundation, Inc. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # You should have received a copy of the GNU General Public License # along with this program. If not, see . # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # Originally written by Alexandre Oliva . case $1 in '') echo "$0: No command. Try \`$0 --help' for more information." 1>&2 exit 1; ;; -h | --h*) cat <<\EOF Usage: depcomp [--help] [--version] PROGRAM [ARGS] Run PROGRAMS ARGS to compile a file, generating dependencies as side-effects. Environment variables: depmode Dependency tracking mode. source Source file read by `PROGRAMS ARGS'. object Object file output by `PROGRAMS ARGS'. DEPDIR directory where to store dependencies. depfile Dependency file to output. tmpdepfile Temporary file to use when outputing dependencies. libtool Whether libtool is used (yes/no). Report bugs to . EOF exit $? ;; -v | --v*) echo "depcomp $scriptversion" exit $? ;; esac if test -z "$depmode" || test -z "$source" || test -z "$object"; then echo "depcomp: Variables source, object and depmode must be set" 1>&2 exit 1 fi # Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po. depfile=${depfile-`echo "$object" | sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`} tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} rm -f "$tmpdepfile" # Some modes work just like other modes, but use different flags. We # parameterize here, but still list the modes in the big case below, # to make depend.m4 easier to write. Note that we *cannot* use a case # here, because this file can only contain one case statement. if test "$depmode" = hp; then # HP compiler uses -M and no extra arg. gccflag=-M depmode=gcc fi if test "$depmode" = dashXmstdout; then # This is just like dashmstdout with a different argument. dashmflag=-xM depmode=dashmstdout fi cygpath_u="cygpath -u -f -" if test "$depmode" = msvcmsys; then # This is just like msvisualcpp but w/o cygpath translation. # Just convert the backslash-escaped backslashes to single forward # slashes to satisfy depend.m4 cygpath_u="sed s,\\\\\\\\,/,g" depmode=msvisualcpp fi case "$depmode" in gcc3) ## gcc 3 implements dependency tracking that does exactly what ## we want. Yay! Note: for some reason libtool 1.4 doesn't like ## it if -MD -MP comes after the -MF stuff. Hmm. ## Unfortunately, FreeBSD c89 acceptance of flags depends upon ## the command line argument order; so add the flags where they ## appear in depend2.am. Note that the slowdown incurred here ## affects only configure: in makefiles, %FASTDEP% shortcuts this. for arg do case $arg in -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;; *) set fnord "$@" "$arg" ;; esac shift # fnord shift # $arg done "$@" stat=$? if test $stat -eq 0; then : else rm -f "$tmpdepfile" exit $stat fi mv "$tmpdepfile" "$depfile" ;; gcc) ## There are various ways to get dependency output from gcc. Here's ## why we pick this rather obscure method: ## - Don't want to use -MD because we'd like the dependencies to end ## up in a subdir. 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We avoid this by adding ## dummy dependencies for each header file. Too bad gcc doesn't do ## this for us directly. tr ' ' ' ' < "$tmpdepfile" | ## Some versions of gcc put a space before the `:'. On the theory ## that the space means something, we add a space to the output as ## well. ## Some versions of the HPUX 10.20 sed can't process this invocation ## correctly. Breaking it into two sed invocations is a workaround. sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; hp) # This case exists only to let depend.m4 do its work. It works by # looking at the text of this script. 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(header line, followed by indented lines) .\" .TH igmpproxy.conf 5 "" "@PACKAGE_STRING@" .SH NAME igmpproxy.conf \- Configuration file for .BR igmpproxy (8) multicast daemon .SH DESCRIPTION .B igmpproxy.conf contains the configuration for the .B igmpproxy multicast daemon. It defines which network interfaces should be used by the routing daemon. Each interface must be give one of the following roles: .B upstream , .B downstream or .B disabled . The .B upstream network interface is the outgoing interface which is responsible for communicating to availible multicast data sources. There can only be one upstream interface. .B Downstream network interfaces are the distribution interfaces to the destination networks, where multicast clients can join groups and receive multicast data. One or more downstream interfaces must be configured. On .B disabled network interfaces all IGMP or multicast traffic is ignored altogether. If multiple IP addresses is used on one single interface (ae. eth0:1 ...), all interface aliases not in use should be configured as disabled. Any line in the configuration file starting with .B # is treated as a comment. Keywords and parameters can be distributed over many lines. The configuration file has two main keywords: .B quickleave .RS Enables quickleave mode. In this mode the daemon will send a Leave IGMP message upstream as soon as it recieves a Leave message for any downstream interface. The daemon will then ask for Membership reports on the downstream interfaces, and if a report is recieved the group is joined again upstream. Normally this is not noticed at all by clients on the downstream networks. If it's vital that the daemon should act exactly as a real multicast client on the upstream interface, this function should not be used. Disabling this function increases the risk of bandwidth saturation. .RE .B phyint .I interface .I role [ ratelimit .I limit ] [ threshold .I ttl ] [ altnet .I networkaddr ... ] .RS Defines the state and settings of a network interface. .RE .SH PHYINT OPTIONS .B interface .RS The name of the interface the settings are for. This option is required for phyint settings. .RE .B role .RS The role of the interface. This should be either .B upstream (only one interface), .B downstream (one or more interfaces) or .B disabled . This option is required. .RE .B ratelimit .I limit .RS Defines a ratelimit for the network interface. If ratelimit is set to 0 (default), no ratelimit will be applied. This setting is optional. .RE .B threshold .I ttl .RS Defines the TTL threshold for the network interface. Packets with a lower TTL than the threshols value will be ignored. This setting is optional, and by default the threshold is 1. .RE .B altnet .I networkaddr ... .RS Defines alternate sources for multicasting and IGMP data. The network address must be on the following format 'a.b.c.d/n'. By default the router will accept data from sources on the same network as configured on an interface. If the multicast source lies on a remote network, one must define from where traffic should be accepted. This is especially useful for the upstream interface, since the source for multicast traffic is often from a remote location. Any number of altnet parameters can be specified. .RE .SH EXAMPLE ## Enable quickleave quickleave .br ## Define settings for eth0 (upstream) .br phyint eth0 upstream altnet 10.0.0.0/8 ## Disable alternate IP on eth0 (eth0:0) .br phyint eth0:0 disabled ## Define settings for eth1 (downstream) .br phyint eth1 downstream ratelimit 0 threshold 1 ## Define settings for eth2 (also downstream) .br phyint eth2 downstream .SH SEE ALSO .BR igmpproxy (8) .SH AUTHOR Originally written by Johnny Egeland igmpproxy-0.1/doc/igmpproxy.8.in0000644000175000001440000000457011200072032013617 00000000000000.\" .br - line break (nothing else on the line) .\" .B - bold .\" .I - green or kursive (on HTML) .\" .TP - paragraph ? (header line, followed by indented lines) .\" .TH igmpproxy 8 "" "@PACKAGE_STRING@" .SH NAME igmpproxy \- Multicast router utilizing IGMP forwarding .SH SYNOPSIS .B igmpproxy [-h] [-d] [-v [-v]] .I config-file .SH DESCRIPTION .B igmpproxy is a simple multicast routing daemon which uses IGMP forwarding to dynamically route multicast traffic. Routing is done by defining an "upstream" interface on which the daemon act as a normal Multicast client, and one or more "downstream" interfaces that serves clients on the destination networks. This is useful in situations where other dynamic multicast routers (like 'mrouted' or 'pimd') cannot be used. Since .B igmpproxy only uses IGMP signalling, the daemon is only suited for situations where multicast traffic comes from only one neighbouring network. In more advanced cases, 'mrouted' or 'pimd' is probably more suited. The daemon is not designed for cascading, and probably won't scale very well. Currently only IGMPv1 and v2 is supported on downstream interfaces. On the upstream interface the kernel IGMP client implementation is used, and supported IGMP versions is therefore limited to that supported by the kernel. .SH OPTIONS .IP -h Display help. .IP -v Verbose logging. Set logging level to INFO instead of WARNING used by default. .IP -vv More verbose logging. Set logging level to DEBUG. .IP -d Output log messages to STDERR instead of to .BR syslog (3). .SH LIMITS The current version compiles and runs fine with the Linux kernel version 2.4. The known limits are: .B Multicast routes: more then 200 .B Multicast group membership: max. 20 .SH FILES .TP .B /proc/net/ip_mr_cache - contains the active multicast routes .TP .B /proc/net/ip_mr_vif - contains the 'virtual' interfaces used by the active multicast routing daemon .TP .B /proc/sys/net/ipv4/conf//force_igmp_version - can be set to control what IGMP version the kernel should use on the upstream interface. Ex.: 'echo 2 > /proc/sys/net/ipv4/conf/eth0/force_igmp_version' will force the kernel to use IGMPv2 on eth0 (provided this is the upstream interface). .SH SEE ALSO .BR igmpproxy.conf (5), .BR mrouted, .BR pimd, .BR smcroute .SH BUGS Currently none (but there probably will be :-/ ) .SH AUTHOR Originally written by Johnny Egeland . igmpproxy-0.1/doc/Makefile.am0000644000175000001440000000005011200072032013104 00000000000000man_MANS = igmpproxy.8 igmpproxy.conf.5 igmpproxy-0.1/doc/Makefile.in0000644000175000001440000003377711262434276013167 00000000000000# Makefile.in generated by automake 1.11 from Makefile.am. # @configure_input@ # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, # 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, # Inc. # This Makefile.in is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; 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END OF TERMS AND CONDITIONS igmpproxy-0.1/src/0000777000175000001440000000000011262434307011202 500000000000000igmpproxy-0.1/src/igmpproxy.c0000644000175000001440000002313411245557514013332 00000000000000/* ** igmpproxy - IGMP proxy based multicast router ** Copyright (C) 2005 Johnny Egeland ** ** 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 ** **---------------------------------------------------------------------------- ** ** This software is derived work from the following software. The original ** source code has been modified from it's original state by the author ** of igmpproxy. ** ** smcroute 0.92 - Copyright (C) 2001 Carsten Schill ** - Licensed under the GNU General Public License, version 2 ** ** mrouted 3.9-beta3 - COPYRIGHT 1989 by The Board of Trustees of ** Leland Stanford Junior University. ** - Original license can be found in the Stanford.txt file. ** */ /** * igmpproxy.c - The main file for the IGMP proxy application. * * February 2005 - Johnny Egeland */ #include "igmpproxy.h" static const char Usage[] = "Usage: igmpproxy [-h] [-d] [-v [-v]] \n" "\n" " -h Display this help screen\n" " -d Run in debug mode. Output all messages on stderr\n" " -v Be verbose. Give twice to see even debug messages.\n" "\n" PACKAGE_STRING "\n" ; // Local function Prototypes static void signalHandler(int); int igmpProxyInit(); void igmpProxyCleanUp(); void igmpProxyRun(); // Global vars... static int sighandled = 0; #define GOT_SIGINT 0x01 #define GOT_SIGHUP 0x02 #define GOT_SIGUSR1 0x04 #define GOT_SIGUSR2 0x08 // The upstream VIF index int upStreamVif; /** * Program main method. Is invoked when the program is started * on commandline. The number of commandline arguments, and a * pointer to the arguments are recieved on the line... */ int main( int ArgCn, char *ArgVc[] ) { // Parse the commandline options and setup basic settings.. for (int c; (c = getopt(ArgCn, ArgVc, "vdh")) != -1;) { switch (c) { case 'd': Log2Stderr = true; break; case 'v': if (LogLevel == LOG_INFO) LogLevel = LOG_DEBUG; else LogLevel = LOG_INFO; break; case 'h': fputs(Usage, stderr); exit(0); break; default: exit(1); break; } } if (optind != ArgCn - 1) { fputs("You must specify the configuration file.\n", stderr); exit(1); } char *configFilePath = ArgVc[optind]; // Chech that we are root if (geteuid() != 0) { fprintf(stderr, "igmpproxy: must be root\n"); exit(1); } openlog("igmpproxy", LOG_PID, LOG_USER); // Write debug notice with file path... my_log(LOG_DEBUG, 0, "Searching for config file at '%s'" , configFilePath); do { // Loads the config file... if( ! loadConfig( configFilePath ) ) { my_log(LOG_ERR, 0, "Unable to load config file..."); break; } // Initializes the deamon. if ( !igmpProxyInit() ) { my_log(LOG_ERR, 0, "Unable to initialize IGMPproxy."); break; } // Go to the main loop. igmpProxyRun(); // Clean up igmpProxyCleanUp(); } while ( false ); // Inform that we are exiting. my_log(LOG_INFO, 0, "Shutdown complete...."); exit(0); } /** * Handles the initial startup of the daemon. */ int igmpProxyInit() { struct sigaction sa; int Err; sa.sa_handler = signalHandler; sa.sa_flags = 0; /* Interrupt system calls */ sigemptyset(&sa.sa_mask); sigaction(SIGTERM, &sa, NULL); sigaction(SIGINT, &sa, NULL); // Loads configuration for Physical interfaces... buildIfVc(); // Configures IF states and settings configureVifs(); switch ( Err = enableMRouter() ) { case 0: break; case EADDRINUSE: my_log( LOG_ERR, EADDRINUSE, "MC-Router API already in use" ); break; default: my_log( LOG_ERR, Err, "MRT_INIT failed" ); } /* create VIFs for all IP, non-loop interfaces */ { unsigned Ix; struct IfDesc *Dp; int vifcount = 0; upStreamVif = -1; for ( Ix = 0; (Dp = getIfByIx(Ix)); Ix++ ) { if ( Dp->InAdr.s_addr && ! (Dp->Flags & IFF_LOOPBACK) ) { if(Dp->state == IF_STATE_UPSTREAM) { if(upStreamVif == -1) { upStreamVif = Ix; } else { my_log(LOG_ERR, 0, "Vif #%d was already upstream. Cannot set VIF #%d as upstream as well.", upStreamVif, Ix); } } addVIF( Dp ); vifcount++; } } // If there is only one VIF, or no defined upstream VIF, we send an error. if(vifcount < 2 || upStreamVif < 0) { my_log(LOG_ERR, 0, "There must be at least 2 Vif's where one is upstream."); } } // Initialize IGMP initIgmp(); // Initialize Routing table initRouteTable(); // Initialize timer callout_init(); return 1; } /** * Clean up all on exit... */ void igmpProxyCleanUp() { my_log( LOG_DEBUG, 0, "clean handler called" ); free_all_callouts(); // No more timeouts. clearAllRoutes(); // Remove all routes. disableMRouter(); // Disable the multirout API } /** * Main daemon loop. */ void igmpProxyRun() { // Get the config. //struct Config *config = getCommonConfig(); // Set some needed values. register int recvlen; int MaxFD, Rt, secs; fd_set ReadFDS; socklen_t dummy = 0; struct timeval curtime, lasttime, difftime, tv; // The timeout is a pointer in order to set it to NULL if nessecary. struct timeval *timeout = &tv; // Initialize timer vars difftime.tv_usec = 0; gettimeofday(&curtime, NULL); lasttime = curtime; // First thing we send a membership query in downstream VIF's... sendGeneralMembershipQuery(); // Loop until the end... for (;;) { // Process signaling... if (sighandled) { if (sighandled & GOT_SIGINT) { sighandled &= ~GOT_SIGINT; my_log(LOG_NOTICE, 0, "Got a interupt signal. Exiting."); break; } } // Prepare timeout... secs = timer_nextTimer(); if(secs == -1) { timeout = NULL; } else { timeout->tv_usec = 0; timeout->tv_sec = secs; } // Prepare for select. MaxFD = MRouterFD; FD_ZERO( &ReadFDS ); FD_SET( MRouterFD, &ReadFDS ); // wait for input Rt = select( MaxFD +1, &ReadFDS, NULL, NULL, timeout ); // log and ignore failures if( Rt < 0 ) { my_log( LOG_WARNING, errno, "select() failure" ); continue; } else if( Rt > 0 ) { // Read IGMP request, and handle it... if( FD_ISSET( MRouterFD, &ReadFDS ) ) { recvlen = recvfrom(MRouterFD, recv_buf, RECV_BUF_SIZE, 0, NULL, &dummy); if (recvlen < 0) { if (errno != EINTR) my_log(LOG_ERR, errno, "recvfrom"); continue; } acceptIgmp(recvlen); } } // At this point, we can handle timeouts... do { /* * If the select timed out, then there's no other * activity to account for and we don't need to * call gettimeofday. */ if (Rt == 0) { curtime.tv_sec = lasttime.tv_sec + secs; curtime.tv_usec = lasttime.tv_usec; Rt = -1; /* don't do this next time through the loop */ } else { gettimeofday(&curtime, NULL); } difftime.tv_sec = curtime.tv_sec - lasttime.tv_sec; difftime.tv_usec += curtime.tv_usec - lasttime.tv_usec; while (difftime.tv_usec > 1000000) { difftime.tv_sec++; difftime.tv_usec -= 1000000; } if (difftime.tv_usec < 0) { difftime.tv_sec--; difftime.tv_usec += 1000000; } lasttime = curtime; if (secs == 0 || difftime.tv_sec > 0) age_callout_queue(difftime.tv_sec); secs = -1; } while (difftime.tv_sec > 0); } } /* * Signal handler. Take note of the fact that the signal arrived * so that the main loop can take care of it. */ static void signalHandler(int sig) { switch (sig) { case SIGINT: case SIGTERM: sighandled |= GOT_SIGINT; break; /* XXX: Not in use. case SIGHUP: sighandled |= GOT_SIGHUP; break; case SIGUSR1: sighandled |= GOT_SIGUSR1; break; case SIGUSR2: sighandled |= GOT_SIGUSR2; break; */ } } igmpproxy-0.1/src/confread.c0000644000175000001440000001434311242017542013044 00000000000000/* ** igmpproxy - IGMP proxy based multicast router ** Copyright (C) 2005 Johnny Egeland ** ** 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 ** **---------------------------------------------------------------------------- ** ** This software is derived work from the following software. The original ** source code has been modified from it's original state by the author ** of igmpproxy. ** ** smcroute 0.92 - Copyright (C) 2001 Carsten Schill ** - Licensed under the GNU General Public License, version 2 ** ** mrouted 3.9-beta3 - COPYRIGHT 1989 by The Board of Trustees of ** Leland Stanford Junior University. ** - Original license can be found in the Stanford.txt file. ** */ /** * confread.c * * Generic config file reader. Used to open a config file, * and read the tokens from it. The parser is really simple, * and does no backlogging. This means that no form of * text escaping and qouting is currently supported. * '#' chars are read as comments, and the comment lasts until * a newline or EOF * */ #include "igmpproxy.h" #define READ_BUFFER_SIZE 512 // Inputbuffer size... #ifndef MAX_TOKEN_LENGTH #define MAX_TOKEN_LENGTH 30 // Default max token length #endif FILE *confFilePtr; // File handle pointer char *iBuffer; // Inputbuffer for reading... unsigned int bufPtr; // Buffer position pointer. unsigned int readSize; // Number of bytes in buffer after last read... char cToken[MAX_TOKEN_LENGTH]; // Token buffer... short validToken; /** * Opens config file specified by filename. */ int openConfigFile(char *filename) { // Set the buffer to null initially... iBuffer = NULL; // Open the file for reading... confFilePtr = fopen(filename, "r"); // On error, return false if(confFilePtr == NULL) { return 0; } // Allocate memory for inputbuffer... iBuffer = (char*) malloc( sizeof(char) * READ_BUFFER_SIZE ); if(iBuffer == NULL) { closeConfigFile(); return 0; } // Reset bufferpointer and readsize bufPtr = 0; readSize = 0; return 1; } /** * Closes the currently open config file. */ void closeConfigFile() { // Close the file. if(confFilePtr!=NULL) { fclose(confFilePtr); } // Free input buffer memory... if(iBuffer != NULL) { free(iBuffer); } } /** * Returns the next token from the configfile. The function * return NULL if there are no more tokens in the file. */ char *nextConfigToken() { validToken = 0; // If no file or buffer, return NULL if(confFilePtr == NULL || iBuffer == NULL) { return NULL; } { unsigned int tokenPtr = 0; unsigned short finished = 0; unsigned short commentFound = 0; // Outer buffer fill loop... while ( !finished ) { // If readpointer is at the end of the buffer, we should read next chunk... if(bufPtr == readSize) { // Fill up the buffer... readSize = fread (iBuffer, sizeof(char), READ_BUFFER_SIZE, confFilePtr); bufPtr = 0; // If the readsize is 0, we should just return... if(readSize == 0) { return NULL; } } // Inner char loop... while ( bufPtr < readSize && !finished ) { //printf("Char %s", iBuffer[bufPtr]); // Break loop on \0 if(iBuffer[bufPtr] == '\0') { break; } if( commentFound ) { if( iBuffer[bufPtr] == '\n' ) { commentFound = 0; } } else { // Check current char... switch(iBuffer[bufPtr]) { case '#': // Found a comment start... commentFound = 1; break; case '\n': case '\r': case '\t': case ' ': // Newline, CR, Tab and space are end of token, or ignored. if(tokenPtr > 0) { cToken[tokenPtr] = '\0'; // EOL finished = 1; } break; default: // Append char to token... cToken[tokenPtr++] = iBuffer[bufPtr]; break; } } // Check end of token buffer !!! if(tokenPtr == MAX_TOKEN_LENGTH - 1) { // Prevent buffer overrun... cToken[tokenPtr] = '\0'; finished = 1; } // Next char... bufPtr++; } // If the readsize is less than buffersize, we assume EOF. if(readSize < READ_BUFFER_SIZE && bufPtr == readSize) { if (tokenPtr > 0) finished = 1; else return NULL; } } if(tokenPtr>0) { validToken = 1; return cToken; } } return NULL; } /** * Returns the currently active token, or null * if no tokens are availible. */ char *getCurrentConfigToken() { return validToken ? cToken : NULL; } igmpproxy-0.1/src/os-dragonfly.h0000644000175000001440000000042011202621326013660 00000000000000#include #include #include #include static inline u_short ip_data_len(const struct ip *ip) { return ip->ip_len; } static inline void ip_set_len(struct ip *ip, u_short len) { ip->ip_len = len; } igmpproxy-0.1/src/mcgroup.c0000644000175000001440000000602411202621326012731 00000000000000/* ** igmpproxy - IGMP proxy based multicast router ** Copyright (C) 2005 Johnny Egeland ** ** 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 ** **---------------------------------------------------------------------------- ** ** This software is derived work from the following software. The original ** source code has been modified from it's original state by the author ** of igmpproxy. ** ** smcroute 0.92 - Copyright (C) 2001 Carsten Schill ** - Licensed under the GNU General Public License, version 2 ** ** mrouted 3.9-beta3 - COPYRIGHT 1989 by The Board of Trustees of ** Leland Stanford Junior University. ** - Original license can be found in the Stanford.txt file. ** */ /** * mcgroup contains functions for joining and leaving multicast groups. * */ #include "igmpproxy.h" /** * Common function for joining or leaving a MCast group. */ static int joinleave( int Cmd, int UdpSock, struct IfDesc *IfDp, uint32_t mcastaddr ) { struct ip_mreq CtlReq; const char *CmdSt = Cmd == 'j' ? "join" : "leave"; memset(&CtlReq, 0, sizeof(CtlReq)); CtlReq.imr_multiaddr.s_addr = mcastaddr; CtlReq.imr_interface.s_addr = IfDp->InAdr.s_addr; { my_log( LOG_NOTICE, 0, "%sMcGroup: %s on %s", CmdSt, inetFmt( mcastaddr, s1 ), IfDp ? IfDp->Name : "" ); } if( setsockopt( UdpSock, IPPROTO_IP, Cmd == 'j' ? IP_ADD_MEMBERSHIP : IP_DROP_MEMBERSHIP, (void *)&CtlReq, sizeof( CtlReq ) ) ) { my_log( LOG_WARNING, errno, "MRT_%s_MEMBERSHIP failed", Cmd == 'j' ? "ADD" : "DROP" ); return 1; } return 0; } /** * Joins the MC group with the address 'McAdr' on the interface 'IfName'. * The join is bound to the UDP socket 'UdpSock', so if this socket is * closed the membership is dropped. * * @return 0 if the function succeeds, 1 if parameters are wrong or the join fails */ int joinMcGroup( int UdpSock, struct IfDesc *IfDp, uint32_t mcastaddr ) { return joinleave( 'j', UdpSock, IfDp, mcastaddr ); } /** * Leaves the MC group with the address 'McAdr' on the interface 'IfName'. * * @return 0 if the function succeeds, 1 if parameters are wrong or the join fails */ int leaveMcGroup( int UdpSock, struct IfDesc *IfDp, uint32_t mcastaddr ) { return joinleave( 'l', UdpSock, IfDp, mcastaddr ); } igmpproxy-0.1/src/callout.c0000644000175000001440000001517311250546136012735 00000000000000/* ** igmpproxy - IGMP proxy based multicast router ** Copyright (C) 2005 Johnny Egeland ** ** 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 ** **---------------------------------------------------------------------------- ** ** This software is derived work from the following software. The original ** source code has been modified from it's original state by the author ** of igmpproxy. ** ** smcroute 0.92 - Copyright (C) 2001 Carsten Schill ** - Licensed under the GNU General Public License, version 2 ** ** mrouted 3.9-beta3 - COPYRIGHT 1989 by The Board of Trustees of ** Leland Stanford Junior University. ** - Original license can be found in the Stanford.txt file. ** */ #include "igmpproxy.h" /* the code below implements a callout queue */ static int id = 0; static struct timeOutQueue *queue = 0; /* pointer to the beginning of timeout queue */ struct timeOutQueue { struct timeOutQueue *next; // Next event in queue int id; timer_f func; // function to call void *data; // Data for function int time; // Time offset for next event }; // Method for dumping the Queue to the log. static void debugQueue(void); /** * Initializes the callout queue */ void callout_init() { queue = NULL; } /** * Clears all scheduled timeouts... */ void free_all_callouts() { struct timeOutQueue *p; while (queue) { p = queue; queue = queue->next; free(p); } } /** * elapsed_time seconds have passed; perform all the events that should * happen. */ void age_callout_queue(int elapsed_time) { struct timeOutQueue *ptr; int i = 0; for (ptr = queue; ptr; ptr = queue, i++) { if (ptr->time > elapsed_time) { ptr->time -= elapsed_time; return; } else { elapsed_time -= ptr->time; queue = queue->next; my_log(LOG_DEBUG, 0, "About to call timeout %d (#%d)", ptr->id, i); if (ptr->func) ptr->func(ptr->data); free(ptr); } } } /** * Return in how many seconds age_callout_queue() would like to be called. * Return -1 if there are no events pending. */ int timer_nextTimer() { if (queue) { if (queue->time < 0) { my_log(LOG_WARNING, 0, "timer_nextTimer top of queue says %d", queue->time); return 0; } return queue->time; } return -1; } /** * Inserts a timer in queue. * @param delay - Number of seconds the timeout should happen in. * @param action - The function to call on timeout. * @param data - Pointer to the function data to supply... */ int timer_setTimer(int delay, timer_f action, void *data) { struct timeOutQueue *ptr, *node, *prev; int i = 0; /* create a node */ node = (struct timeOutQueue *)malloc(sizeof(struct timeOutQueue)); if (node == 0) { my_log(LOG_WARNING, 0, "Malloc Failed in timer_settimer\n"); return -1; } node->func = action; node->data = data; node->time = delay; node->next = 0; node->id = ++id; prev = ptr = queue; /* insert node in the queue */ /* if the queue is empty, insert the node and return */ if (!queue) { queue = node; } else { /* chase the pointer looking for the right place */ while (ptr) { if (delay < ptr->time) { // We found the correct node node->next = ptr; if (ptr == queue) { queue = node; } else { prev->next = node; } ptr->time -= node->time; my_log(LOG_DEBUG, 0, "Created timeout %d (#%d) - delay %d secs", node->id, i, node->time); debugQueue(); return node->id; } else { // Continur to check nodes. delay -= ptr->time; node->time = delay; prev = ptr; ptr = ptr->next; } i++; } prev->next = node; } my_log(LOG_DEBUG, 0, "Created timeout %d (#%d) - delay %d secs", node->id, i, node->time); debugQueue(); return node->id; } /** * returns the time until the timer is scheduled */ int timer_leftTimer(int timer_id) { struct timeOutQueue *ptr; int left = 0; if (!timer_id) return -1; for (ptr = queue; ptr; ptr = ptr->next) { left += ptr->time; if (ptr->id == timer_id) { return left; } } return -1; } /** * clears the associated timer. Returns 1 if succeeded. */ int timer_clearTimer(int timer_id) { struct timeOutQueue *ptr, *prev; int i = 0; if (!timer_id) return 0; prev = ptr = queue; /* * find the right node, delete it. the subsequent node's time * gets bumped up */ debugQueue(); while (ptr) { if (ptr->id == timer_id) { /* got the right node */ /* unlink it from the queue */ if (ptr == queue) queue = queue->next; else prev->next = ptr->next; /* increment next node if any */ if (ptr->next != 0) (ptr->next)->time += ptr->time; if (ptr->data) free(ptr->data); my_log(LOG_DEBUG, 0, "deleted timer %d (#%d)", ptr->id, i); free(ptr); debugQueue(); return 1; } prev = ptr; ptr = ptr->next; i++; } // If we get here, the timer was not deleted. my_log(LOG_DEBUG, 0, "failed to delete timer %d (#%d)", timer_id, i); debugQueue(); return 0; } /** * debugging utility */ static void debugQueue() { struct timeOutQueue *ptr; for (ptr = queue; ptr; ptr = ptr->next) { my_log(LOG_DEBUG, 0, "(Id:%d, Time:%d) ", ptr->id, ptr->time); } } igmpproxy-0.1/src/config.c0000644000175000001440000002643411262434256012543 00000000000000/* ** igmpproxy - IGMP proxy based multicast router ** Copyright (C) 2005 Johnny Egeland ** ** 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 ** **---------------------------------------------------------------------------- ** ** This software is derived work from the following software. The original ** source code has been modified from it's original state by the author ** of igmpproxy. ** ** smcroute 0.92 - Copyright (C) 2001 Carsten Schill ** - Licensed under the GNU General Public License, version 2 ** ** mrouted 3.9-beta3 - COPYRIGHT 1989 by The Board of Trustees of ** Leland Stanford Junior University. ** - Original license can be found in the Stanford.txt file. ** */ /** * config.c - Contains functions to load and parse config * file, and functions to configure the daemon. */ #include "igmpproxy.h" // Structure to keep configuration for VIFs... struct vifconfig { char* name; short state; int ratelimit; int threshold; // Keep allowed nets for VIF. struct SubnetList* allowednets; // Next config in list... struct vifconfig* next; }; // Structure to keep vif configuration struct vifconfig* vifconf; // Keeps common settings... static struct Config commonConfig; // Prototypes... struct vifconfig *parsePhyintToken(); struct SubnetList *parseSubnetAddress(char *addrstr); /** * Initializes common config.. */ void initCommonConfig() { commonConfig.robustnessValue = DEFAULT_ROBUSTNESS; commonConfig.queryInterval = INTERVAL_QUERY; commonConfig.queryResponseInterval = INTERVAL_QUERY_RESPONSE; // The defaults are calculated from other settings. commonConfig.startupQueryInterval = (unsigned int)(INTERVAL_QUERY / 4); commonConfig.startupQueryCount = DEFAULT_ROBUSTNESS; // Default values for leave intervals... commonConfig.lastMemberQueryInterval = INTERVAL_QUERY_RESPONSE; commonConfig.lastMemberQueryCount = DEFAULT_ROBUSTNESS; // If 1, a leave message is sent upstream on leave messages from downstream. commonConfig.fastUpstreamLeave = 0; } /** * Returns a pointer to the common config... */ struct Config *getCommonConfig() { return &commonConfig; } /** * Loads the configuration from file, and stores the config in * respective holders... */ int loadConfig(char *configFile) { struct vifconfig *tmpPtr; struct vifconfig **currPtr = &vifconf; char *token; // Initialize common config initCommonConfig(); // Test config file reader... if(!openConfigFile(configFile)) { my_log(LOG_ERR, 0, "Unable to open configfile from %s", configFile); } // Get first token... token = nextConfigToken(); if(token == NULL) { my_log(LOG_ERR, 0, "Config file was empty."); } // Loop until all configuration is read. while ( token != NULL ) { // Check token... if(strcmp("phyint", token)==0) { // Got a phyint token... Call phyint parser my_log(LOG_DEBUG, 0, "Config: Got a phyint token."); tmpPtr = parsePhyintToken(); if(tmpPtr == NULL) { // Unparsable token... Exit... closeConfigFile(); my_log(LOG_WARNING, 0, "Unknown token '%s' in configfile", token); return 0; } else { my_log(LOG_DEBUG, 0, "IF name : %s", tmpPtr->name); my_log(LOG_DEBUG, 0, "Next ptr : %x", tmpPtr->next); my_log(LOG_DEBUG, 0, "Ratelimit : %d", tmpPtr->ratelimit); my_log(LOG_DEBUG, 0, "Threshold : %d", tmpPtr->threshold); my_log(LOG_DEBUG, 0, "State : %d", tmpPtr->state); my_log(LOG_DEBUG, 0, "Allowednet ptr : %x", tmpPtr->allowednets); // Insert config, and move temppointer to next location... *currPtr = tmpPtr; currPtr = &tmpPtr->next; } } else if(strcmp("quickleave", token)==0) { // Got a quickleave token.... my_log(LOG_DEBUG, 0, "Config: Quick leave mode enabled."); commonConfig.fastUpstreamLeave = 1; // Read next token... token = nextConfigToken(); continue; } else { // Unparsable token... Exit... closeConfigFile(); my_log(LOG_WARNING, 0, "Unknown token '%s' in configfile", token); return 0; } // Get token that was not recognized by phyint parser. token = getCurrentConfigToken(); } // Close the configfile... closeConfigFile(); return 1; } /** * Appends extra VIF configuration from config file. */ void configureVifs() { unsigned Ix; struct IfDesc *Dp; struct vifconfig *confPtr; // If no config is availible, just return... if(vifconf == NULL) { return; } // Loop through all VIFs... for ( Ix = 0; (Dp = getIfByIx(Ix)); Ix++ ) { if ( Dp->InAdr.s_addr && ! (Dp->Flags & IFF_LOOPBACK) ) { // Now try to find a matching config... for( confPtr = vifconf; confPtr; confPtr = confPtr->next) { // I the VIF names match... if(strcmp(Dp->Name, confPtr->name)==0) { struct SubnetList *vifLast; my_log(LOG_DEBUG, 0, "Found config for %s", Dp->Name); // Set the VIF state Dp->state = confPtr->state; Dp->threshold = confPtr->threshold; Dp->ratelimit = confPtr->ratelimit; // Go to last allowed net on VIF... for(vifLast = Dp->allowednets; vifLast->next; vifLast = vifLast->next); // Insert the configured nets... vifLast->next = confPtr->allowednets; break; } } } } } /** * Internal function to parse phyint config */ struct vifconfig *parsePhyintToken() { struct vifconfig *tmpPtr; struct SubnetList **anetPtr; char *token; short parseError = 0; // First token should be the interface name.... token = nextConfigToken(); // Sanitycheck the name... if(token == NULL) return NULL; if(strlen(token) >= IF_NAMESIZE) return NULL; my_log(LOG_DEBUG, 0, "Config: IF: Config for interface %s.", token); // Allocate memory for configuration... tmpPtr = (struct vifconfig*)malloc(sizeof(struct vifconfig)); if(tmpPtr == NULL) { my_log(LOG_ERR, 0, "Out of memory."); } // Set default values... tmpPtr->next = NULL; // Important to avoid seg fault... tmpPtr->ratelimit = 0; tmpPtr->threshold = 1; tmpPtr->state = IF_STATE_DOWNSTREAM; tmpPtr->allowednets = NULL; // Make a copy of the token to store the IF name tmpPtr->name = strdup( token ); if(tmpPtr->name == NULL) { my_log(LOG_ERR, 0, "Out of memory."); } // Set the altnet pointer to the allowednets pointer. anetPtr = &tmpPtr->allowednets; // Parse the rest of the config.. token = nextConfigToken(); while(token != NULL) { if(strcmp("altnet", token)==0) { // Altnet... token = nextConfigToken(); my_log(LOG_DEBUG, 0, "Config: IF: Got altnet token %s.",token); *anetPtr = parseSubnetAddress(token); if(*anetPtr == NULL) { parseError = 1; my_log(LOG_WARNING, 0, "Unable to parse subnet address."); break; } else { anetPtr = &(*anetPtr)->next; } } else if(strcmp("upstream", token)==0) { // Upstream my_log(LOG_DEBUG, 0, "Config: IF: Got upstream token."); tmpPtr->state = IF_STATE_UPSTREAM; } else if(strcmp("downstream", token)==0) { // Downstream my_log(LOG_DEBUG, 0, "Config: IF: Got downstream token."); tmpPtr->state = IF_STATE_DOWNSTREAM; } else if(strcmp("disabled", token)==0) { // Disabled my_log(LOG_DEBUG, 0, "Config: IF: Got disabled token."); tmpPtr->state = IF_STATE_DISABLED; } else if(strcmp("ratelimit", token)==0) { // Ratelimit token = nextConfigToken(); my_log(LOG_DEBUG, 0, "Config: IF: Got ratelimit token '%s'.", token); tmpPtr->ratelimit = atoi( token ); if(tmpPtr->ratelimit < 0) { my_log(LOG_WARNING, 0, "Ratelimit must be 0 or more."); parseError = 1; break; } } else if(strcmp("threshold", token)==0) { // Threshold token = nextConfigToken(); my_log(LOG_DEBUG, 0, "Config: IF: Got threshold token '%s'.", token); tmpPtr->threshold = atoi( token ); if(tmpPtr->threshold <= 0 || tmpPtr->threshold > 255) { my_log(LOG_WARNING, 0, "Threshold must be between 1 and 255."); parseError = 1; break; } } else { // Unknown token. Break... break; } token = nextConfigToken(); } // Clean up after a parseerror... if(parseError) { free(tmpPtr); tmpPtr = NULL; } return tmpPtr; } /** * Parses a subnet address string on the format * a.b.c.d/n into a SubnetList entry. */ struct SubnetList *parseSubnetAddress(char *addrstr) { struct SubnetList *tmpSubnet; char *tmpStr; uint32_t addr = 0x00000000; uint32_t mask = 0xFFFFFFFF; // First get the network part of the address... tmpStr = strtok(addrstr, "/"); addr = inet_addr(tmpStr); tmpStr = strtok(NULL, "/"); if(tmpStr != NULL) { int bitcnt = atoi(tmpStr); if(bitcnt <= 0 || bitcnt > 32) { my_log(LOG_WARNING, 0, "The bits part of the address is invalid : %d.",tmpStr); return NULL; } mask <<= (32 - bitcnt); } if(addr == -1 || addr == 0) { my_log(LOG_WARNING, 0, "Unable to parse address token '%s'.", addrstr); return NULL; } tmpSubnet = (struct SubnetList*) malloc(sizeof(struct SubnetList)); tmpSubnet->subnet_addr = addr; tmpSubnet->subnet_mask = ntohl(mask); tmpSubnet->next = NULL; my_log(LOG_DEBUG, 0, "Config: IF: Altnet: Parsed altnet to %s.", inetFmts(tmpSubnet->subnet_addr, tmpSubnet->subnet_mask,s1)); return tmpSubnet; } igmpproxy-0.1/src/request.c0000644000175000001440000001570111262434256012761 00000000000000/* ** igmpproxy - IGMP proxy based multicast router ** Copyright (C) 2005 Johnny Egeland ** ** 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 ** **---------------------------------------------------------------------------- ** ** This software is derived work from the following software. The original ** source code has been modified from it's original state by the author ** of igmpproxy. ** ** smcroute 0.92 - Copyright (C) 2001 Carsten Schill ** - Licensed under the GNU General Public License, version 2 ** ** mrouted 3.9-beta3 - COPYRIGHT 1989 by The Board of Trustees of ** Leland Stanford Junior University. ** - Original license can be found in the Stanford.txt file. ** */ /** * request.c * * Functions for recieveing and processing IGMP requests. * */ #include "igmpproxy.h" // Prototypes... void sendGroupSpecificMemberQuery(void *argument); typedef struct { uint32_t group; uint32_t vifAddr; short started; } GroupVifDesc; /** * Handles incoming membership reports, and * appends them to the routing table. */ void acceptGroupReport(uint32_t src, uint32_t group, uint8_t type) { struct IfDesc *sourceVif; // Sanitycheck the group adress... if(!IN_MULTICAST( ntohl(group) )) { my_log(LOG_WARNING, 0, "The group address %s is not a valid Multicast group.", inetFmt(group, s1)); return; } // Find the interface on which the report was recieved. sourceVif = getIfByAddress( src ); if(sourceVif == NULL) { my_log(LOG_WARNING, 0, "No interfaces found for source %s", inetFmt(src,s1)); return; } if(sourceVif->InAdr.s_addr == src) { my_log(LOG_NOTICE, 0, "The IGMP message was from myself. Ignoring."); return; } // We have a IF so check that it's an downstream IF. if(sourceVif->state == IF_STATE_DOWNSTREAM) { my_log(LOG_DEBUG, 0, "Should insert group %s (from: %s) to route table. Vif Ix : %d", inetFmt(group,s1), inetFmt(src,s2), sourceVif->index); // The membership report was OK... Insert it into the route table.. insertRoute(group, sourceVif->index); } else { // Log the state of the interface the report was recieved on. my_log(LOG_INFO, 0, "Mebership report was recieved on %s. Ignoring.", sourceVif->state==IF_STATE_UPSTREAM?"the upstream interface":"a disabled interface"); } } /** * Recieves and handles a group leave message. */ void acceptLeaveMessage(uint32_t src, uint32_t group) { struct IfDesc *sourceVif; my_log(LOG_DEBUG, 0, "Got leave message from %s to %s. Starting last member detection.", inetFmt(src, s1), inetFmt(group, s2)); // Sanitycheck the group adress... if(!IN_MULTICAST( ntohl(group) )) { my_log(LOG_WARNING, 0, "The group address %s is not a valid Multicast group.", inetFmt(group, s1)); return; } // Find the interface on which the report was recieved. sourceVif = getIfByAddress( src ); if(sourceVif == NULL) { my_log(LOG_WARNING, 0, "No interfaces found for source %s", inetFmt(src,s1)); return; } // We have a IF so check that it's an downstream IF. if(sourceVif->state == IF_STATE_DOWNSTREAM) { GroupVifDesc *gvDesc; gvDesc = (GroupVifDesc*) malloc(sizeof(GroupVifDesc)); // Tell the route table that we are checking for remaining members... setRouteLastMemberMode(group); // Call the group spesific membership querier... gvDesc->group = group; gvDesc->vifAddr = sourceVif->InAdr.s_addr; gvDesc->started = 0; sendGroupSpecificMemberQuery(gvDesc); } else { // just ignore the leave request... my_log(LOG_DEBUG, 0, "The found if for %s was not downstream. Ignoring leave request.", inetFmt(src, s1)); } } /** * Sends a group specific member report query until the * group times out... */ void sendGroupSpecificMemberQuery(void *argument) { struct Config *conf = getCommonConfig(); // Cast argument to correct type... GroupVifDesc *gvDesc = (GroupVifDesc*) argument; if(gvDesc->started) { // If aging returns false, we don't do any further action... if(!lastMemberGroupAge(gvDesc->group)) { return; } } else { gvDesc->started = 1; } // Send a group specific membership query... sendIgmp(gvDesc->vifAddr, gvDesc->group, IGMP_MEMBERSHIP_QUERY, conf->lastMemberQueryInterval * IGMP_TIMER_SCALE, gvDesc->group, 0); my_log(LOG_DEBUG, 0, "Sent membership query from %s to %s. Delay: %d", inetFmt(gvDesc->vifAddr,s1), inetFmt(gvDesc->group,s2), conf->lastMemberQueryInterval); // Set timeout for next round... timer_setTimer(conf->lastMemberQueryInterval, sendGroupSpecificMemberQuery, gvDesc); } /** * Sends a general membership query on downstream VIFs */ void sendGeneralMembershipQuery() { struct Config *conf = getCommonConfig(); struct IfDesc *Dp; int Ix; // Loop through all downstream vifs... for ( Ix = 0; (Dp = getIfByIx(Ix)); Ix++ ) { if ( Dp->InAdr.s_addr && ! (Dp->Flags & IFF_LOOPBACK) ) { if(Dp->state == IF_STATE_DOWNSTREAM) { // Send the membership query... sendIgmp(Dp->InAdr.s_addr, allhosts_group, IGMP_MEMBERSHIP_QUERY, conf->queryResponseInterval * IGMP_TIMER_SCALE, 0, 0); my_log(LOG_DEBUG, 0, "Sent membership query from %s to %s. Delay: %d", inetFmt(Dp->InAdr.s_addr,s1), inetFmt(allhosts_group,s2), conf->queryResponseInterval); } } } // Install timer for aging active routes. timer_setTimer(conf->queryResponseInterval, ageActiveRoutes, NULL); // Install timer for next general query... if(conf->startupQueryCount>0) { // Use quick timer... timer_setTimer(conf->startupQueryInterval, sendGeneralMembershipQuery, NULL); // Decrease startup counter... conf->startupQueryCount--; } else { // Use slow timer... timer_setTimer(conf->queryInterval, sendGeneralMembershipQuery, NULL); } } igmpproxy-0.1/src/syslog.c0000644000175000001440000000404511202621326012576 00000000000000/* ** igmpproxy - IGMP proxy based multicast router ** Copyright (C) 2005 Johnny Egeland ** ** 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 ** **---------------------------------------------------------------------------- ** ** This software is derived work from the following software. The original ** source code has been modified from it's original state by the author ** of igmpproxy. ** ** smcroute 0.92 - Copyright (C) 2001 Carsten Schill ** - Licensed under the GNU General Public License, version 2 ** ** mrouted 3.9-beta3 - COPYRIGHT 1989 by The Board of Trustees of ** Leland Stanford Junior University. ** - Original license can be found in the Stanford.txt file. ** */ #include "igmpproxy.h" int LogLevel = LOG_WARNING; bool Log2Stderr = false; void my_log( int Severity, int Errno, const char *FmtSt, ... ) { char LogMsg[ 128 ]; va_list ArgPt; unsigned Ln; va_start( ArgPt, FmtSt ); Ln = vsnprintf( LogMsg, sizeof( LogMsg ), FmtSt, ArgPt ); if( Errno > 0 ) snprintf( LogMsg + Ln, sizeof( LogMsg ) - Ln, "; Errno(%d): %s", Errno, strerror(Errno) ); va_end( ArgPt ); if (Severity <= LogLevel) { if (Log2Stderr) fprintf(stderr, "%s\n", LogMsg); else { syslog(Severity, "%s", LogMsg); } } if( Severity <= LOG_ERR ) exit( -1 ); } igmpproxy-0.1/src/lib.c0000644000175000001440000001033611202621326012024 00000000000000/* ** igmpproxy - IGMP proxy based multicast router ** Copyright (C) 2005 Johnny Egeland ** ** 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 ** **---------------------------------------------------------------------------- ** ** This software is derived work from the following software. The original ** source code has been modified from it's original state by the author ** of igmpproxy. ** ** smcroute 0.92 - Copyright (C) 2001 Carsten Schill ** - Licensed under the GNU General Public License, version 2 ** ** mrouted 3.9-beta3 - COPYRIGHT 1989 by The Board of Trustees of ** Leland Stanford Junior University. ** - Original license can be found in the Stanford.txt file. ** */ #include "igmpproxy.h" /* * Exported variables. */ char s1[19]; /* buffers to hold the string representations */ char s2[19]; /* of IP addresses, to be passed to inet_fmt() */ char s3[19]; /* or inet_fmts(). */ char s4[19]; /* ** Formats 'InAdr' into a dotted decimal string. ** ** returns: - pointer to 'St' ** */ char *fmtInAdr( char *St, struct in_addr InAdr ) { sprintf( St, "%u.%u.%u.%u", ((uint8_t *)&InAdr.s_addr)[ 0 ], ((uint8_t *)&InAdr.s_addr)[ 1 ], ((uint8_t *)&InAdr.s_addr)[ 2 ], ((uint8_t *)&InAdr.s_addr)[ 3 ] ); return St; } /* * Convert an IP address in u_long (network) format into a printable string. */ char *inetFmt(uint32_t addr, char *s) { register u_char *a; a = (u_char *)&addr; sprintf(s, "%u.%u.%u.%u", a[0], a[1], a[2], a[3]); return(s); } /* * Convert an IP subnet number in u_long (network) format into a printable * string including the netmask as a number of bits. */ char *inetFmts(uint32_t addr, uint32_t mask, char *s) { register u_char *a, *m; int bits; if ((addr == 0) && (mask == 0)) { sprintf(s, "default"); return(s); } a = (u_char *)&addr; m = (u_char *)&mask; bits = 33 - ffs(ntohl(mask)); if (m[3] != 0) sprintf(s, "%u.%u.%u.%u/%d", a[0], a[1], a[2], a[3], bits); else if (m[2] != 0) sprintf(s, "%u.%u.%u/%d", a[0], a[1], a[2], bits); else if (m[1] != 0) sprintf(s, "%u.%u/%d", a[0], a[1], bits); else sprintf(s, "%u/%d", a[0], bits); return(s); } /* * inet_cksum extracted from: * P I N G . C * * Author - * Mike Muuss * U. S. Army Ballistic Research Laboratory * December, 1983 * Modified at Uc Berkeley * * (ping.c) Status - * Public Domain. Distribution Unlimited. * * I N _ C K S U M * * Checksum routine for Internet Protocol family headers (C Version) * */ uint16_t inetChksum(uint16_t *addr, int len) { register int nleft = len; register uint16_t *w = addr; uint16_t answer = 0; register int32_t sum = 0; /* * Our algorithm is simple, using a 32 bit accumulator (sum), * we add sequential 16 bit words to it, and at the end, fold * back all the carry bits from the top 16 bits into the lower * 16 bits. */ while (nleft > 1) { sum += *w++; nleft -= 2; } /* mop up an odd byte, if necessary */ if (nleft == 1) { *(uint8_t *) (&answer) = *(uint8_t *)w ; sum += answer; } /* * add back carry outs from top 16 bits to low 16 bits */ sum = (sum >> 16) + (sum & 0xffff); /* add hi 16 to low 16 */ sum += (sum >> 16); /* add carry */ answer = ~sum; /* truncate to 16 bits */ return(answer); } igmpproxy-0.1/src/Makefile.am0000644000175000001440000000047111262420713013150 00000000000000sbin_PROGRAMS = igmpproxy igmpproxy_SOURCES = \ callout.c \ config.c \ confread.c \ ifvc.c \ igmp.c \ igmpproxy.c \ igmpproxy.h \ kern.c \ lib.c \ mcgroup.c \ mroute-api.c \ os-dragonfly.h \ os-freebsd.h \ os-linux.h \ os-netbsd.h \ os-openbsd.h \ request.c \ rttable.c \ syslog.c \ udpsock.c igmpproxy-0.1/src/kern.c0000644000175000001440000001050011202621326012206 00000000000000/* ** igmpproxy - IGMP proxy based multicast router ** Copyright (C) 2005 Johnny Egeland ** ** 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 ** **---------------------------------------------------------------------------- ** ** This software is derived work from the following software. The original ** source code has been modified from it's original state by the author ** of igmpproxy. ** ** smcroute 0.92 - Copyright (C) 2001 Carsten Schill ** - Licensed under the GNU General Public License, version 2 ** ** mrouted 3.9-beta3 - COPYRIGHT 1989 by The Board of Trustees of ** Leland Stanford Junior University. ** - Original license can be found in the Stanford.txt file. ** */ #include "igmpproxy.h" int curttl = 0; void k_set_rcvbuf(int bufsize, int minsize) { int delta = bufsize / 2; int iter = 0; /* * Set the socket buffer. If we can't set it as large as we * want, search around to try to find the highest acceptable * value. The highest acceptable value being smaller than * minsize is a fatal error. */ if (setsockopt(MRouterFD, SOL_SOCKET, SO_RCVBUF, (char *)&bufsize, sizeof(bufsize)) < 0) { bufsize -= delta; while (1) { iter++; if (delta > 1) delta /= 2; if (setsockopt(MRouterFD, SOL_SOCKET, SO_RCVBUF, (char *)&bufsize, sizeof(bufsize)) < 0) { bufsize -= delta; } else { if (delta < 1024) break; bufsize += delta; } } if (bufsize < minsize) { my_log(LOG_ERR, 0, "OS-allowed buffer size %u < app min %u", bufsize, minsize); /*NOTREACHED*/ } } my_log(LOG_DEBUG, 0, "Got %d byte buffer size in %d iterations", bufsize, iter); } void k_hdr_include(int hdrincl) { if (setsockopt(MRouterFD, IPPROTO_IP, IP_HDRINCL, (char *)&hdrincl, sizeof(hdrincl)) < 0) my_log(LOG_ERR, errno, "setsockopt IP_HDRINCL %u", hdrincl); } void k_set_ttl(int t) { #ifndef RAW_OUTPUT_IS_RAW u_char ttl; ttl = t; if (setsockopt(MRouterFD, IPPROTO_IP, IP_MULTICAST_TTL, (char *)&ttl, sizeof(ttl)) < 0) my_log(LOG_ERR, errno, "setsockopt IP_MULTICAST_TTL %u", ttl); #endif curttl = t; } void k_set_loop(int l) { u_char loop; loop = l; if (setsockopt(MRouterFD, IPPROTO_IP, IP_MULTICAST_LOOP, (char *)&loop, sizeof(loop)) < 0) my_log(LOG_ERR, errno, "setsockopt IP_MULTICAST_LOOP %u", loop); } void k_set_if(uint32_t ifa) { struct in_addr adr; adr.s_addr = ifa; if (setsockopt(MRouterFD, IPPROTO_IP, IP_MULTICAST_IF, (char *)&adr, sizeof(adr)) < 0) my_log(LOG_ERR, errno, "setsockopt IP_MULTICAST_IF %s", inetFmt(ifa, s1)); } /* void k_join(uint32_t grp, uint32_t ifa) { struct ip_mreq mreq; mreq.imr_multiaddr.s_addr = grp; mreq.imr_interface.s_addr = ifa; if (setsockopt(MRouterFD, IPPROTO_IP, IP_ADD_MEMBERSHIP, (char *)&mreq, sizeof(mreq)) < 0) my_log(LOG_WARNING, errno, "can't join group %s on interface %s", inetFmt(grp, s1), inetFmt(ifa, s2)); } void k_leave(uint32_t grp, uint32_t ifa) { struct ip_mreq mreq; mreq.imr_multiaddr.s_addr = grp; mreq.imr_interface.s_addr = ifa; if (setsockopt(MRouterFD, IPPROTO_IP, IP_DROP_MEMBERSHIP, (char *)&mreq, sizeof(mreq)) < 0) my_log(LOG_WARNING, errno, "can't leave group %s on interface %s", inetFmt(grp, s1), inetFmt(ifa, s2)); } */ igmpproxy-0.1/src/os-linux.h0000644000175000001440000000047411202621326013043 00000000000000#define _LINUX_IN_H #include #include #include #include static inline u_short ip_data_len(const struct ip *ip) { return ntohs(ip->ip_len) - (ip->ip_hl << 2); } static inline void ip_set_len(struct ip *ip, u_short len) { ip->ip_len = htons(len); } igmpproxy-0.1/src/os-netbsd.h0000644000175000001440000000100111202621326013146 00000000000000#include #include #include #include #define IGMP_MEMBERSHIP_QUERY IGMP_HOST_MEMBERSHIP_QUERY #define IGMP_V1_MEMBERSHIP_REPORT IGMP_v1_HOST_MEMBERSHIP_REPORT #define IGMP_V2_MEMBERSHIP_REPORT IGMP_v2_HOST_MEMBERSHIP_REPORT #define IGMP_V2_LEAVE_GROUP IGMP_HOST_LEAVE_MESSAGE static inline u_short ip_data_len(const struct ip *ip) { return ip->ip_len; } static inline void ip_set_len(struct ip *ip, u_short len) { ip->ip_len = len; } igmpproxy-0.1/src/rttable.c0000644000175000001440000005236311202621326012721 00000000000000/* ** igmpproxy - IGMP proxy based multicast router ** Copyright (C) 2005 Johnny Egeland ** ** 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 ** **---------------------------------------------------------------------------- ** ** This software is derived work from the following software. The original ** source code has been modified from it's original state by the author ** of igmpproxy. ** ** smcroute 0.92 - Copyright (C) 2001 Carsten Schill ** - Licensed under the GNU General Public License, version 2 ** ** mrouted 3.9-beta3 - COPYRIGHT 1989 by The Board of Trustees of ** Leland Stanford Junior University. ** - Original license can be found in the Stanford.txt file. ** */ /** * rttable.c * * Updates the routingtable according to * recieved request. */ #include "igmpproxy.h" /** * Routing table structure definition. Double linked list... */ struct RouteTable { struct RouteTable *nextroute; // Pointer to the next group in line. struct RouteTable *prevroute; // Pointer to the previous group in line. uint32_t group; // The group to route uint32_t originAddr; // The origin adress (only set on activated routes) uint32_t vifBits; // Bits representing recieving VIFs. // Keeps the upstream membership state... short upstrState; // Upstream membership state. // These parameters contain aging details. uint32_t ageVifBits; // Bits representing aging VIFs. int ageValue; // Downcounter for death. int ageActivity; // Records any acitivity that notes there are still listeners. }; // Keeper for the routing table... static struct RouteTable *routing_table; // Prototypes void logRouteTable(char *header); int internAgeRoute(struct RouteTable* croute); int internUpdateKernelRoute(struct RouteTable *route, int activate); // Socket for sending join or leave requests. int mcGroupSock = 0; /** * Function for retrieving the Multicast Group socket. */ int getMcGroupSock() { if( ! mcGroupSock ) { mcGroupSock = openUdpSocket( INADDR_ANY, 0 );; } return mcGroupSock; } /** * Initializes the routing table. */ void initRouteTable() { unsigned Ix; struct IfDesc *Dp; // Clear routing table... routing_table = NULL; // Join the all routers group on downstream vifs... for ( Ix = 0; (Dp = getIfByIx(Ix)); Ix++ ) { // If this is a downstream vif, we should join the All routers group... if( Dp->InAdr.s_addr && ! (Dp->Flags & IFF_LOOPBACK) && Dp->state == IF_STATE_DOWNSTREAM) { my_log(LOG_DEBUG, 0, "Joining all-routers group %s on vif %s", inetFmt(allrouters_group,s1),inetFmt(Dp->InAdr.s_addr,s2)); //k_join(allrouters_group, Dp->InAdr.s_addr); joinMcGroup( getMcGroupSock(), Dp, allrouters_group ); } } } /** * Internal function to send join or leave requests for * a specified route upstream... */ void sendJoinLeaveUpstream(struct RouteTable* route, int join) { struct IfDesc* upstrIf; // Get the upstream VIF... upstrIf = getIfByIx( upStreamVif ); if(upstrIf == NULL) { my_log(LOG_ERR, 0 ,"FATAL: Unable to get Upstream IF."); } // Send join or leave request... if(join) { // Only join a group if there are listeners downstream... if(route->vifBits > 0) { my_log(LOG_DEBUG, 0, "Joining group %s upstream on IF address %s", inetFmt(route->group, s1), inetFmt(upstrIf->InAdr.s_addr, s2)); //k_join(route->group, upstrIf->InAdr.s_addr); joinMcGroup( getMcGroupSock(), upstrIf, route->group ); route->upstrState = ROUTESTATE_JOINED; } else { my_log(LOG_DEBUG, 0, "No downstream listeners for group %s. No join sent.", inetFmt(route->group, s1)); } } else { // Only leave if group is not left already... if(route->upstrState != ROUTESTATE_NOTJOINED) { my_log(LOG_DEBUG, 0, "Leaving group %s upstream on IF address %s", inetFmt(route->group, s1), inetFmt(upstrIf->InAdr.s_addr, s2)); //k_leave(route->group, upstrIf->InAdr.s_addr); leaveMcGroup( getMcGroupSock(), upstrIf, route->group ); route->upstrState = ROUTESTATE_NOTJOINED; } } } /** * Clear all routes from routing table, and alerts Leaves upstream. */ void clearAllRoutes() { struct RouteTable *croute, *remainroute; // Loop through all routes... for(croute = routing_table; croute; croute = remainroute) { remainroute = croute->nextroute; // Log the cleanup in debugmode... my_log(LOG_DEBUG, 0, "Removing route entry for %s", inetFmt(croute->group, s1)); // Uninstall current route if(!internUpdateKernelRoute(croute, 0)) { my_log(LOG_WARNING, 0, "The removal from Kernel failed."); } // Send Leave message upstream. sendJoinLeaveUpstream(croute, 0); // Clear memory, and set pointer to next route... free(croute); } routing_table = NULL; // Send a notice that the routing table is empty... my_log(LOG_NOTICE, 0, "All routes removed. Routing table is empty."); } /** * Private access function to find a route from a given * Route Descriptor. */ struct RouteTable *findRoute(uint32_t group) { struct RouteTable* croute; for(croute = routing_table; croute; croute = croute->nextroute) { if(croute->group == group) { return croute; } } return NULL; } /** * Adds a specified route to the routingtable. * If the route already exists, the existing route * is updated... */ int insertRoute(uint32_t group, int ifx) { struct Config *conf = getCommonConfig(); struct RouteTable* croute; // Sanitycheck the group adress... if( ! IN_MULTICAST( ntohl(group) )) { my_log(LOG_WARNING, 0, "The group address %s is not a valid Multicast group. Table insert failed.", inetFmt(group, s1)); return 0; } // Santiycheck the VIF index... //if(ifx < 0 || ifx >= MAX_MC_VIFS) { if(ifx >= MAX_MC_VIFS) { my_log(LOG_WARNING, 0, "The VIF Ix %d is out of range (0-%d). Table insert failed.",ifx,MAX_MC_VIFS); return 0; } // Try to find an existing route for this group... croute = findRoute(group); if(croute==NULL) { struct RouteTable* newroute; my_log(LOG_DEBUG, 0, "No existing route for %s. Create new.", inetFmt(group, s1)); // Create and initialize the new route table entry.. newroute = (struct RouteTable*)malloc(sizeof(struct RouteTable)); // Insert the route desc and clear all pointers... newroute->group = group; newroute->originAddr = 0; newroute->nextroute = NULL; newroute->prevroute = NULL; // The group is not joined initially. newroute->upstrState = ROUTESTATE_NOTJOINED; // The route is not active yet, so the age is unimportant. newroute->ageValue = conf->robustnessValue; newroute->ageActivity = 0; BIT_ZERO(newroute->ageVifBits); // Initially we assume no listeners. // Set the listener flag... BIT_ZERO(newroute->vifBits); // Initially no listeners... if(ifx >= 0) { BIT_SET(newroute->vifBits, ifx); } // Check if there is a table already.... if(routing_table == NULL) { // No location set, so insert in on the table top. routing_table = newroute; my_log(LOG_DEBUG, 0, "No routes in table. Insert at beginning."); } else { my_log(LOG_DEBUG, 0, "Found existing routes. Find insert location."); // Check if the route could be inserted at the beginning... if(routing_table->group > group) { my_log(LOG_DEBUG, 0, "Inserting at beginning, before route %s",inetFmt(routing_table->group,s1)); // Insert at beginning... newroute->nextroute = routing_table; newroute->prevroute = NULL; routing_table = newroute; // If the route has a next node, the previous pointer must be updated. if(newroute->nextroute != NULL) { newroute->nextroute->prevroute = newroute; } } else { // Find the location which is closest to the route. for( croute = routing_table; croute->nextroute != NULL; croute = croute->nextroute ) { // Find insert position. if(croute->nextroute->group > group) { break; } } my_log(LOG_DEBUG, 0, "Inserting after route %s",inetFmt(croute->group,s1)); // Insert after current... newroute->nextroute = croute->nextroute; newroute->prevroute = croute; if(croute->nextroute != NULL) { croute->nextroute->prevroute = newroute; } croute->nextroute = newroute; } } // Set the new route as the current... croute = newroute; // Log the cleanup in debugmode... my_log(LOG_INFO, 0, "Inserted route table entry for %s on VIF #%d", inetFmt(croute->group, s1),ifx); } else if(ifx >= 0) { // The route exists already, so just update it. BIT_SET(croute->vifBits, ifx); // Register the VIF activity for the aging routine BIT_SET(croute->ageVifBits, ifx); // Log the cleanup in debugmode... my_log(LOG_INFO, 0, "Updated route entry for %s on VIF #%d", inetFmt(croute->group, s1), ifx); // If the route is active, it must be reloaded into the Kernel.. if(croute->originAddr != 0) { // Update route in kernel... if(!internUpdateKernelRoute(croute, 1)) { my_log(LOG_WARNING, 0, "The insertion into Kernel failed."); return 0; } } } // Send join message upstream, if the route has no joined flag... if(croute->upstrState != ROUTESTATE_JOINED) { // Send Join request upstream sendJoinLeaveUpstream(croute, 1); } logRouteTable("Insert Route"); return 1; } /** * Activates a passive group. If the group is already * activated, it's reinstalled in the kernel. If * the route is activated, no originAddr is needed. */ int activateRoute(uint32_t group, uint32_t originAddr) { struct RouteTable* croute; int result = 0; // Find the requested route. croute = findRoute(group); if(croute == NULL) { my_log(LOG_DEBUG, 0, "No table entry for %s [From: %s]. Inserting route.", inetFmt(group, s1),inetFmt(originAddr, s2)); // Insert route, but no interfaces have yet requested it downstream. insertRoute(group, -1); // Retrieve the route from table... croute = findRoute(group); } if(croute != NULL) { // If the origin address is set, update the route data. if(originAddr > 0) { if(croute->originAddr > 0 && croute->originAddr!=originAddr) { my_log(LOG_WARNING, 0, "The origin for route %s changed from %s to %s", inetFmt(croute->group, s1), inetFmt(croute->originAddr, s2), inetFmt(originAddr, s3)); } croute->originAddr = originAddr; } // Only update kernel table if there are listeners ! if(croute->vifBits > 0) { result = internUpdateKernelRoute(croute, 1); } } logRouteTable("Activate Route"); return result; } /** * This function loops through all routes, and updates the age * of any active routes. */ void ageActiveRoutes() { struct RouteTable *croute, *nroute; my_log(LOG_DEBUG, 0, "Aging routes in table."); // Scan all routes... for( croute = routing_table; croute != NULL; croute = nroute ) { // Keep the next route (since current route may be removed)... nroute = croute->nextroute; // Run the aging round algorithm. if(croute->upstrState != ROUTESTATE_CHECK_LAST_MEMBER) { // Only age routes if Last member probe is not active... internAgeRoute(croute); } } logRouteTable("Age active routes"); } /** * Should be called when a leave message is recieved, to * mark a route for the last member probe state. */ void setRouteLastMemberMode(uint32_t group) { struct Config *conf = getCommonConfig(); struct RouteTable *croute; croute = findRoute(group); if(croute!=NULL) { // Check for fast leave mode... if(croute->upstrState == ROUTESTATE_JOINED && conf->fastUpstreamLeave) { // Send a leave message right away.. sendJoinLeaveUpstream(croute, 0); } // Set the routingstate to Last member check... croute->upstrState = ROUTESTATE_CHECK_LAST_MEMBER; // Set the count value for expiring... (-1 since first aging) croute->ageValue = conf->lastMemberQueryCount; } } /** * Ages groups in the last member check state. If the * route is not found, or not in this state, 0 is returned. */ int lastMemberGroupAge(uint32_t group) { struct RouteTable *croute; croute = findRoute(group); if(croute!=NULL) { if(croute->upstrState == ROUTESTATE_CHECK_LAST_MEMBER) { return !internAgeRoute(croute); } else { return 0; } } return 0; } /** * Remove a specified route. Returns 1 on success, * and 0 if route was not found. */ int removeRoute(struct RouteTable* croute) { struct Config *conf = getCommonConfig(); int result = 1; // If croute is null, no routes was found. if(croute==NULL) { return 0; } // Log the cleanup in debugmode... my_log(LOG_DEBUG, 0, "Removed route entry for %s from table.", inetFmt(croute->group, s1)); //BIT_ZERO(croute->vifBits); // Uninstall current route from kernel if(!internUpdateKernelRoute(croute, 0)) { my_log(LOG_WARNING, 0, "The removal from Kernel failed."); result = 0; } // Send Leave request upstream if group is joined if(croute->upstrState == ROUTESTATE_JOINED || (croute->upstrState == ROUTESTATE_CHECK_LAST_MEMBER && !conf->fastUpstreamLeave)) { sendJoinLeaveUpstream(croute, 0); } // Update pointers... if(croute->prevroute == NULL) { // Topmost node... if(croute->nextroute != NULL) { croute->nextroute->prevroute = NULL; } routing_table = croute->nextroute; } else { croute->prevroute->nextroute = croute->nextroute; if(croute->nextroute != NULL) { croute->nextroute->prevroute = croute->prevroute; } } // Free the memory, and set the route to NULL... free(croute); croute = NULL; logRouteTable("Remove route"); return result; } /** * Ages a specific route */ int internAgeRoute(struct RouteTable* croute) { struct Config *conf = getCommonConfig(); int result = 0; // Drop age by 1. croute->ageValue--; // Check if there has been any activity... if( croute->ageVifBits > 0 && croute->ageActivity == 0 ) { // There was some activity, check if all registered vifs responded. if(croute->vifBits == croute->ageVifBits) { // Everything is in perfect order, so we just update the route age. croute->ageValue = conf->robustnessValue; //croute->ageActivity = 0; } else { // One or more VIF has not gotten any response. croute->ageActivity++; // Update the actual bits for the route... croute->vifBits = croute->ageVifBits; } } // Check if there have been activity in aging process... else if( croute->ageActivity > 0 ) { // If the bits are different in this round, we must if(croute->vifBits != croute->ageVifBits) { // Or the bits together to insure we don't lose any listeners. croute->vifBits |= croute->ageVifBits; // Register changes in this round as well.. croute->ageActivity++; } } // If the aging counter has reached zero, its time for updating... if(croute->ageValue == 0) { // Check for activity in the aging process, if(croute->ageActivity>0) { my_log(LOG_DEBUG, 0, "Updating route after aging : %s", inetFmt(croute->group,s1)); // Just update the routing settings in kernel... internUpdateKernelRoute(croute, 1); // We append the activity counter to the age, and continue... croute->ageValue = croute->ageActivity; croute->ageActivity = 0; } else { my_log(LOG_DEBUG, 0, "Removing group %s. Died of old age.", inetFmt(croute->group,s1)); // No activity was registered within the timelimit, so remove the route. removeRoute(croute); } // Tell that the route was updated... result = 1; } // The aging vif bits must be reset for each round... BIT_ZERO(croute->ageVifBits); return result; } /** * Updates the Kernel routing table. If activate is 1, the route * is (re-)activated. If activate is false, the route is removed. */ int internUpdateKernelRoute(struct RouteTable *route, int activate) { struct MRouteDesc mrDesc; struct IfDesc *Dp; unsigned Ix; if(route->originAddr>0) { // Build route descriptor from table entry... // Set the source address and group address... mrDesc.McAdr.s_addr = route->group; mrDesc.OriginAdr.s_addr = route->originAddr; // clear output interfaces memset( mrDesc.TtlVc, 0, sizeof( mrDesc.TtlVc ) ); my_log(LOG_DEBUG, 0, "Vif bits : 0x%08x", route->vifBits); // Set the TTL's for the route descriptor... for ( Ix = 0; (Dp = getIfByIx(Ix)); Ix++ ) { if(Dp->state == IF_STATE_UPSTREAM) { mrDesc.InVif = Dp->index; } else if(BIT_TST(route->vifBits, Dp->index)) { my_log(LOG_DEBUG, 0, "Setting TTL for Vif %d to %d", Dp->index, Dp->threshold); mrDesc.TtlVc[ Dp->index ] = Dp->threshold; } } // Do the actual Kernel route update... if(activate) { // Add route in kernel... addMRoute( &mrDesc ); } else { // Delete the route from Kernel... delMRoute( &mrDesc ); } } else { my_log(LOG_NOTICE, 0, "Route is not active. No kernel updates done."); } return 1; } /** * Debug function that writes the routing table entries * to the log. */ void logRouteTable(char *header) { struct RouteTable* croute = routing_table; unsigned rcount = 0; my_log(LOG_DEBUG, 0, ""); my_log(LOG_DEBUG, 0, "Current routing table (%s):", header); my_log(LOG_DEBUG, 0, "-----------------------------------------------------"); if(croute==NULL) { my_log(LOG_DEBUG, 0, "No routes in table..."); } else { do { /* my_log(LOG_DEBUG, 0, "#%d: Src: %s, Dst: %s, Age:%d, St: %s, Prev: 0x%08x, T: 0x%08x, Next: 0x%08x", rcount, inetFmt(croute->originAddr, s1), inetFmt(croute->group, s2), croute->ageValue,(croute->originAddr>0?"A":"I"), croute->prevroute, croute, croute->nextroute); */ my_log(LOG_DEBUG, 0, "#%d: Src: %s, Dst: %s, Age:%d, St: %s, OutVifs: 0x%08x", rcount, inetFmt(croute->originAddr, s1), inetFmt(croute->group, s2), croute->ageValue,(croute->originAddr>0?"A":"I"), croute->vifBits); croute = croute->nextroute; rcount++; } while ( croute != NULL ); } my_log(LOG_DEBUG, 0, "-----------------------------------------------------"); } igmpproxy-0.1/src/mroute-api.c0000644000175000001440000001535011202621326013341 00000000000000/* ** igmpproxy - IGMP proxy based multicast router ** Copyright (C) 2005 Johnny Egeland ** ** 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 ** **---------------------------------------------------------------------------- ** ** This software is derived work from the following software. The original ** source code has been modified from it's original state by the author ** of igmpproxy. ** ** smcroute 0.92 - Copyright (C) 2001 Carsten Schill ** - Licensed under the GNU General Public License, version 2 ** ** mrouted 3.9-beta3 - COPYRIGHT 1989 by The Board of Trustees of ** Leland Stanford Junior University. ** - Original license can be found in the Stanford.txt file. ** */ /** * mroute-api.c * * This module contains the interface routines to the Linux mrouted API */ #include "igmpproxy.h" // MAX_MC_VIFS from mclab.h must have same value as MAXVIFS from mroute.h #if MAX_MC_VIFS != MAXVIFS # error "constants don't match, correct mclab.h" #endif // need an IGMP socket as interface for the mrouted API // - receives the IGMP messages int MRouterFD; /* socket for all network I/O */ char *recv_buf; /* input packet buffer */ char *send_buf; /* output packet buffer */ // my internal virtual interfaces descriptor vector static struct VifDesc { struct IfDesc *IfDp; } VifDescVc[ MAXVIFS ]; /* ** Initialises the mrouted API and locks it by this exclusively. ** ** returns: - 0 if the functions succeeds ** - the errno value for non-fatal failure condition */ int enableMRouter() { int Va = 1; if ( (MRouterFD = socket(AF_INET, SOCK_RAW, IPPROTO_IGMP)) < 0 ) my_log( LOG_ERR, errno, "IGMP socket open" ); if ( setsockopt( MRouterFD, IPPROTO_IP, MRT_INIT, (void *)&Va, sizeof( Va ) ) ) return errno; return 0; } /* ** Diables the mrouted API and relases by this the lock. ** */ void disableMRouter() { if ( setsockopt( MRouterFD, IPPROTO_IP, MRT_DONE, NULL, 0 ) || close( MRouterFD ) ) { MRouterFD = 0; my_log( LOG_ERR, errno, "MRT_DONE/close" ); } MRouterFD = 0; } /* ** Adds the interface '*IfDp' as virtual interface to the mrouted API ** */ void addVIF( struct IfDesc *IfDp ) { struct vifctl VifCtl; struct VifDesc *VifDp; /* search free VifDesc */ for ( VifDp = VifDescVc; VifDp < VCEP( VifDescVc ); VifDp++ ) { if ( ! VifDp->IfDp ) break; } /* no more space */ if ( VifDp >= VCEP( VifDescVc ) ) my_log( LOG_ERR, ENOMEM, "addVIF, out of VIF space" ); VifDp->IfDp = IfDp; VifCtl.vifc_vifi = VifDp - VifDescVc; VifCtl.vifc_flags = 0; /* no tunnel, no source routing, register ? */ VifCtl.vifc_threshold = VifDp->IfDp->threshold; // Packet TTL must be at least 1 to pass them VifCtl.vifc_rate_limit = VifDp->IfDp->ratelimit; // Ratelimit VifCtl.vifc_lcl_addr.s_addr = VifDp->IfDp->InAdr.s_addr; VifCtl.vifc_rmt_addr.s_addr = INADDR_ANY; // Set the index... VifDp->IfDp->index = VifCtl.vifc_vifi; my_log( LOG_NOTICE, 0, "adding VIF, Ix %d Fl 0x%x IP 0x%08x %s, Threshold: %d, Ratelimit: %d", VifCtl.vifc_vifi, VifCtl.vifc_flags, VifCtl.vifc_lcl_addr.s_addr, VifDp->IfDp->Name, VifCtl.vifc_threshold, VifCtl.vifc_rate_limit); struct SubnetList *currSubnet; for(currSubnet = IfDp->allowednets; currSubnet; currSubnet = currSubnet->next) { my_log(LOG_DEBUG, 0, " Network for [%s] : %s", IfDp->Name, inetFmts(currSubnet->subnet_addr, currSubnet->subnet_mask, s1)); } if ( setsockopt( MRouterFD, IPPROTO_IP, MRT_ADD_VIF, (char *)&VifCtl, sizeof( VifCtl ) ) ) my_log( LOG_ERR, errno, "MRT_ADD_VIF" ); } /* ** Adds the multicast routed '*Dp' to the kernel routes ** ** returns: - 0 if the function succeeds ** - the errno value for non-fatal failure condition */ int addMRoute( struct MRouteDesc *Dp ) { struct mfcctl CtlReq; int rc; CtlReq.mfcc_origin = Dp->OriginAdr; CtlReq.mfcc_mcastgrp = Dp->McAdr; CtlReq.mfcc_parent = Dp->InVif; /* copy the TTL vector */ memcpy( CtlReq.mfcc_ttls, Dp->TtlVc, sizeof( CtlReq.mfcc_ttls ) ); { char FmtBuO[ 32 ], FmtBuM[ 32 ]; my_log( LOG_NOTICE, 0, "Adding MFC: %s -> %s, InpVIf: %d", fmtInAdr( FmtBuO, CtlReq.mfcc_origin ), fmtInAdr( FmtBuM, CtlReq.mfcc_mcastgrp ), (int)CtlReq.mfcc_parent ); } rc = setsockopt( MRouterFD, IPPROTO_IP, MRT_ADD_MFC, (void *)&CtlReq, sizeof( CtlReq ) ); if (rc) my_log( LOG_WARNING, errno, "MRT_ADD_MFC" ); return rc; } /* ** Removes the multicast routed '*Dp' from the kernel routes ** ** returns: - 0 if the function succeeds ** - the errno value for non-fatal failure condition */ int delMRoute( struct MRouteDesc *Dp ) { struct mfcctl CtlReq; int rc; CtlReq.mfcc_origin = Dp->OriginAdr; CtlReq.mfcc_mcastgrp = Dp->McAdr; CtlReq.mfcc_parent = Dp->InVif; /* clear the TTL vector */ memset( CtlReq.mfcc_ttls, 0, sizeof( CtlReq.mfcc_ttls ) ); { char FmtBuO[ 32 ], FmtBuM[ 32 ]; my_log( LOG_NOTICE, 0, "Removing MFC: %s -> %s, InpVIf: %d", fmtInAdr( FmtBuO, CtlReq.mfcc_origin ), fmtInAdr( FmtBuM, CtlReq.mfcc_mcastgrp ), (int)CtlReq.mfcc_parent ); } rc = setsockopt( MRouterFD, IPPROTO_IP, MRT_DEL_MFC, (void *)&CtlReq, sizeof( CtlReq ) ); if (rc) my_log( LOG_WARNING, errno, "MRT_DEL_MFC" ); return rc; } /* ** Returns for the virtual interface index for '*IfDp' ** ** returns: - the vitrual interface index if the interface is registered ** - -1 if no virtual interface exists for the interface ** */ int getVifIx( struct IfDesc *IfDp ) { struct VifDesc *Dp; for ( Dp = VifDescVc; Dp < VCEP( VifDescVc ); Dp++ ) if ( Dp->IfDp == IfDp ) return Dp - VifDescVc; return -1; } igmpproxy-0.1/src/os-freebsd.h0000644000175000001440000000117111262432712013316 00000000000000#include #include #include #include #include #if __FreeBSD_version >= 800069 && defined BURN_BRIDGES \ || __FreeBSD_version >= 800098 #define IGMP_MEMBERSHIP_QUERY IGMP_HOST_MEMBERSHIP_QUERY #define IGMP_V1_MEMBERSHIP_REPORT IGMP_v1_HOST_MEMBERSHIP_REPORT #define IGMP_V2_MEMBERSHIP_REPORT IGMP_v2_HOST_MEMBERSHIP_REPORT #define IGMP_V2_LEAVE_GROUP IGMP_HOST_LEAVE_MESSAGE #endif static inline u_short ip_data_len(const struct ip *ip) { return ip->ip_len; } static inline void ip_set_len(struct ip *ip, u_short len) { ip->ip_len = len; } igmpproxy-0.1/src/udpsock.c0000644000175000001440000000434111202621326012725 00000000000000/* ** igmpproxy - IGMP proxy based multicast router ** Copyright (C) 2005 Johnny Egeland ** ** 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 ** **---------------------------------------------------------------------------- ** ** This software is derived work from the following software. The original ** source code has been modified from it's original state by the author ** of igmpproxy. ** ** smcroute 0.92 - Copyright (C) 2001 Carsten Schill ** - Licensed under the GNU General Public License, version 2 ** ** mrouted 3.9-beta3 - COPYRIGHT 1989 by The Board of Trustees of ** Leland Stanford Junior University. ** - Original license can be found in the Stanford.txt file. ** */ /** * udpsock.c contains function for creating a UDP socket. * */ #include "igmpproxy.h" /** * Creates and connects a simple UDP socket to the target * 'PeerInAdr':'PeerPort' * * @param PeerInAdr - The address to connect to * @param PeerPort - The port to connect to * */ int openUdpSocket( uint32_t PeerInAdr, uint16_t PeerPort ) { int Sock; struct sockaddr_in SockAdr; if( (Sock = socket( AF_INET, SOCK_RAW, IPPROTO_IGMP )) < 0 ) my_log( LOG_ERR, errno, "UDP socket open" ); memset( &SockAdr, 0, sizeof( SockAdr ) ); SockAdr.sin_family = AF_INET; SockAdr.sin_port = htons(PeerPort); SockAdr.sin_addr.s_addr = htonl(PeerInAdr); if( bind( Sock, (struct sockaddr *)&SockAdr, sizeof( SockAdr ) ) ) my_log( LOG_ERR, errno, "UDP socket bind" ); return Sock; } igmpproxy-0.1/src/igmp.c0000644000175000001440000002171411202621326012214 00000000000000/* ** igmpproxy - IGMP proxy based multicast router ** Copyright (C) 2005 Johnny Egeland ** ** 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 ** **---------------------------------------------------------------------------- ** ** This software is derived work from the following software. The original ** source code has been modified from it's original state by the author ** of igmpproxy. ** ** smcroute 0.92 - Copyright (C) 2001 Carsten Schill ** - Licensed under the GNU General Public License, version 2 ** ** mrouted 3.9-beta3 - COPYRIGHT 1989 by The Board of Trustees of ** Leland Stanford Junior University. ** - Original license can be found in the Stanford.txt file. ** */ /** * igmp.h - Recieves IGMP requests, and handle them * appropriately... */ #include "igmpproxy.h" // Globals uint32_t allhosts_group; /* All hosts addr in net order */ uint32_t allrouters_group; /* All hosts addr in net order */ extern int MRouterFD; /* * Open and initialize the igmp socket, and fill in the non-changing * IP header fields in the output packet buffer. */ void initIgmp() { struct ip *ip; recv_buf = malloc(RECV_BUF_SIZE); send_buf = malloc(RECV_BUF_SIZE); k_hdr_include(true); /* include IP header when sending */ k_set_rcvbuf(256*1024,48*1024); /* lots of input buffering */ k_set_ttl(1); /* restrict multicasts to one hop */ k_set_loop(false); /* disable multicast loopback */ ip = (struct ip *)send_buf; memset(ip, 0, sizeof(struct ip)); /* * Fields zeroed that aren't filled in later: * - IP ID (let the kernel fill it in) * - Offset (we don't send fragments) * - Checksum (let the kernel fill it in) */ ip->ip_v = IPVERSION; ip->ip_hl = sizeof(struct ip) >> 2; ip->ip_tos = 0xc0; /* Internet Control */ ip->ip_ttl = MAXTTL; /* applies to unicasts only */ ip->ip_p = IPPROTO_IGMP; allhosts_group = htonl(INADDR_ALLHOSTS_GROUP); allrouters_group = htonl(INADDR_ALLRTRS_GROUP); } /** * Finds the textual name of the supplied IGMP request. */ char *igmpPacketKind(u_int type, u_int code) { static char unknown[20]; switch (type) { case IGMP_MEMBERSHIP_QUERY: return "Membership query "; case IGMP_V1_MEMBERSHIP_REPORT: return "V1 member report "; case IGMP_V2_MEMBERSHIP_REPORT: return "V2 member report "; case IGMP_V2_LEAVE_GROUP: return "Leave message "; default: sprintf(unknown, "unk: 0x%02x/0x%02x ", type, code); return unknown; } } /** * Process a newly received IGMP packet that is sitting in the input * packet buffer. */ void acceptIgmp(int recvlen) { register uint32_t src, dst, group; struct ip *ip; struct igmp *igmp; int ipdatalen, iphdrlen, igmpdatalen; if (recvlen < sizeof(struct ip)) { my_log(LOG_WARNING, 0, "received packet too short (%u bytes) for IP header", recvlen); return; } ip = (struct ip *)recv_buf; src = ip->ip_src.s_addr; dst = ip->ip_dst.s_addr; /* * this is most likely a message from the kernel indicating that * a new src grp pair message has arrived and so, it would be * necessary to install a route into the kernel for this. */ if (ip->ip_p == 0) { if (src == 0 || dst == 0) { my_log(LOG_WARNING, 0, "kernel request not accurate"); } else { struct IfDesc *checkVIF; // Check if the source address matches a valid address on upstream vif. checkVIF = getIfByIx( upStreamVif ); if(checkVIF == 0) { my_log(LOG_ERR, 0, "Upstream VIF was null."); return; } else if(src == checkVIF->InAdr.s_addr) { my_log(LOG_NOTICE, 0, "Route activation request from %s for %s is from myself. Ignoring.", inetFmt(src, s1), inetFmt(dst, s2)); return; } else if(!isAdressValidForIf(checkVIF, src)) { my_log(LOG_WARNING, 0, "The source address %s for group %s, is not in any valid net for upstream VIF.", inetFmt(src, s1), inetFmt(dst, s2)); return; } // Activate the route. my_log(LOG_DEBUG, 0, "Route activate request from %s to %s", inetFmt(src,s1), inetFmt(dst,s2)); activateRoute(dst, src); } return; } iphdrlen = ip->ip_hl << 2; ipdatalen = ip_data_len(ip); if (iphdrlen + ipdatalen != recvlen) { my_log(LOG_WARNING, 0, "received packet from %s shorter (%u bytes) than hdr+data length (%u+%u)", inetFmt(src, s1), recvlen, iphdrlen, ipdatalen); return; } igmp = (struct igmp *)(recv_buf + iphdrlen); group = igmp->igmp_group.s_addr; igmpdatalen = ipdatalen - IGMP_MINLEN; if (igmpdatalen < 0) { my_log(LOG_WARNING, 0, "received IP data field too short (%u bytes) for IGMP, from %s", ipdatalen, inetFmt(src, s1)); return; } my_log(LOG_NOTICE, 0, "RECV %s from %-15s to %s", igmpPacketKind(igmp->igmp_type, igmp->igmp_code), inetFmt(src, s1), inetFmt(dst, s2) ); switch (igmp->igmp_type) { case IGMP_V1_MEMBERSHIP_REPORT: case IGMP_V2_MEMBERSHIP_REPORT: acceptGroupReport(src, group, igmp->igmp_type); return; case IGMP_V2_LEAVE_GROUP: acceptLeaveMessage(src, group); return; case IGMP_MEMBERSHIP_QUERY: return; default: my_log(LOG_INFO, 0, "ignoring unknown IGMP message type %x from %s to %s", igmp->igmp_type, inetFmt(src, s1), inetFmt(dst, s2)); return; } } /* * Construct an IGMP message in the output packet buffer. The caller may * have already placed data in that buffer, of length 'datalen'. */ void buildIgmp(uint32_t src, uint32_t dst, int type, int code, uint32_t group, int datalen) { struct ip *ip; struct igmp *igmp; extern int curttl; ip = (struct ip *)send_buf; ip->ip_src.s_addr = src; ip->ip_dst.s_addr = dst; ip_set_len(ip, MIN_IP_HEADER_LEN + IGMP_MINLEN + datalen); if (IN_MULTICAST(ntohl(dst))) { ip->ip_ttl = curttl; } else { ip->ip_ttl = MAXTTL; } igmp = (struct igmp *)(send_buf + MIN_IP_HEADER_LEN); igmp->igmp_type = type; igmp->igmp_code = code; igmp->igmp_group.s_addr = group; igmp->igmp_cksum = 0; igmp->igmp_cksum = inetChksum((u_short *)igmp, IGMP_MINLEN + datalen); } /* * Call build_igmp() to build an IGMP message in the output packet buffer. * Then send the message from the interface with IP address 'src' to * destination 'dst'. */ void sendIgmp(uint32_t src, uint32_t dst, int type, int code, uint32_t group, int datalen) { struct sockaddr_in sdst; int setloop = 0, setigmpsource = 0; buildIgmp(src, dst, type, code, group, datalen); if (IN_MULTICAST(ntohl(dst))) { k_set_if(src); setigmpsource = 1; if (type != IGMP_DVMRP || dst == allhosts_group) { setloop = 1; k_set_loop(true); } } memset(&sdst, 0, sizeof(sdst)); sdst.sin_family = AF_INET; #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN sdst.sin_len = sizeof(sdst); #endif sdst.sin_addr.s_addr = dst; if (sendto(MRouterFD, send_buf, MIN_IP_HEADER_LEN + IGMP_MINLEN + datalen, 0, (struct sockaddr *)&sdst, sizeof(sdst)) < 0) { if (errno == ENETDOWN) my_log(LOG_ERR, errno, "Sender VIF was down."); else my_log(LOG_INFO, errno, "sendto to %s on %s", inetFmt(dst, s1), inetFmt(src, s2)); } if(setigmpsource) { if (setloop) { k_set_loop(false); } // Restore original... k_set_if(INADDR_ANY); } my_log(LOG_DEBUG, 0, "SENT %s from %-15s to %s", igmpPacketKind(type, code), src == INADDR_ANY ? "INADDR_ANY" : inetFmt(src, s1), inetFmt(dst, s2)); } igmpproxy-0.1/src/ifvc.c0000644000175000001440000002033111262432712012206 00000000000000/* ** igmpproxy - IGMP proxy based multicast router ** Copyright (C) 2005 Johnny Egeland ** ** 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 ** **---------------------------------------------------------------------------- ** ** This software is derived work from the following software. The original ** source code has been modified from it's original state by the author ** of igmpproxy. ** ** smcroute 0.92 - Copyright (C) 2001 Carsten Schill ** - Licensed under the GNU General Public License, version 2 ** ** mrouted 3.9-beta3 - COPYRIGHT 1989 by The Board of Trustees of ** Leland Stanford Junior University. ** - Original license can be found in the Stanford.txt file. ** */ #include "igmpproxy.h" struct IfDesc IfDescVc[ MAX_IF ], *IfDescEp = IfDescVc; /* ** Builds up a vector with the interface of the machine. Calls to the other functions of ** the module will fail if they are called before the vector is build. ** */ void buildIfVc() { struct ifreq IfVc[ sizeof( IfDescVc ) / sizeof( IfDescVc[ 0 ] ) ]; struct ifreq *IfEp; int Sock; if ( (Sock = socket( AF_INET, SOCK_DGRAM, 0 )) < 0 ) my_log( LOG_ERR, errno, "RAW socket open" ); /* get If vector */ { struct ifconf IoCtlReq; IoCtlReq.ifc_buf = (void *)IfVc; IoCtlReq.ifc_len = sizeof( IfVc ); if ( ioctl( Sock, SIOCGIFCONF, &IoCtlReq ) < 0 ) my_log( LOG_ERR, errno, "ioctl SIOCGIFCONF" ); IfEp = (void *)((char *)IfVc + IoCtlReq.ifc_len); } /* loop over interfaces and copy interface info to IfDescVc */ { struct ifreq *IfPt, *IfNext; // Temp keepers of interface params... uint32_t addr, subnet, mask; for ( IfPt = IfVc; IfPt < IfEp; IfPt = IfNext ) { struct ifreq IfReq; char FmtBu[ 32 ]; IfNext = (struct ifreq *)((char *)&IfPt->ifr_addr + #ifdef HAVE_STRUCT_SOCKADDR_SA_LEN IfPt->ifr_addr.sa_len #else sizeof(struct sockaddr_in) #endif ); if (IfNext < IfPt + 1) IfNext = IfPt + 1; strncpy( IfDescEp->Name, IfPt->ifr_name, sizeof( IfDescEp->Name ) ); // Currently don't set any allowed nets... //IfDescEp->allowednets = NULL; // Set the index to -1 by default. IfDescEp->index = -1; /* don't retrieve more info for non-IP interfaces */ if ( IfPt->ifr_addr.sa_family != AF_INET ) { IfDescEp->InAdr.s_addr = 0; /* mark as non-IP interface */ IfDescEp++; continue; } // Get the interface adress... IfDescEp->InAdr = ((struct sockaddr_in *)&IfPt->ifr_addr)->sin_addr; addr = IfDescEp->InAdr.s_addr; memcpy( IfReq.ifr_name, IfDescEp->Name, sizeof( IfReq.ifr_name ) ); IfReq.ifr_addr.sa_family = AF_INET; ((struct sockaddr_in *)&IfReq.ifr_addr)->sin_addr.s_addr = addr; // Get the subnet mask... if (ioctl(Sock, SIOCGIFNETMASK, &IfReq ) < 0) my_log(LOG_ERR, errno, "ioctl SIOCGIFNETMASK for %s", IfReq.ifr_name); mask = ((struct sockaddr_in *)&IfReq.ifr_addr)->sin_addr.s_addr; subnet = addr & mask; /* get if flags ** ** typical flags: ** lo 0x0049 -> Running, Loopback, Up ** ethx 0x1043 -> Multicast, Running, Broadcast, Up ** ipppx 0x0091 -> NoArp, PointToPoint, Up ** grex 0x00C1 -> NoArp, Running, Up ** ipipx 0x00C1 -> NoArp, Running, Up */ if ( ioctl( Sock, SIOCGIFFLAGS, &IfReq ) < 0 ) my_log( LOG_ERR, errno, "ioctl SIOCGIFFLAGS" ); IfDescEp->Flags = IfReq.ifr_flags; // Insert the verified subnet as an allowed net... IfDescEp->allowednets = (struct SubnetList *)malloc(sizeof(struct SubnetList)); if(IfDescEp->allowednets == NULL) my_log(LOG_ERR, 0, "Out of memory !"); // Create the network address for the IF.. IfDescEp->allowednets->next = NULL; IfDescEp->allowednets->subnet_mask = mask; IfDescEp->allowednets->subnet_addr = subnet; // Set the default params for the IF... IfDescEp->state = IF_STATE_DOWNSTREAM; IfDescEp->robustness = DEFAULT_ROBUSTNESS; IfDescEp->threshold = DEFAULT_THRESHOLD; /* ttl limit */ IfDescEp->ratelimit = DEFAULT_RATELIMIT; // Debug log the result... my_log( LOG_DEBUG, 0, "buildIfVc: Interface %s Addr: %s, Flags: 0x%04x, Network: %s", IfDescEp->Name, fmtInAdr( FmtBu, IfDescEp->InAdr ), IfDescEp->Flags, inetFmts(subnet,mask, s1)); IfDescEp++; } } close( Sock ); } /* ** Returns a pointer to the IfDesc of the interface 'IfName' ** ** returns: - pointer to the IfDesc of the requested interface ** - NULL if no interface 'IfName' exists ** */ struct IfDesc *getIfByName( const char *IfName ) { struct IfDesc *Dp; for ( Dp = IfDescVc; Dp < IfDescEp; Dp++ ) if ( ! strcmp( IfName, Dp->Name ) ) return Dp; return NULL; } /* ** Returns a pointer to the IfDesc of the interface 'Ix' ** ** returns: - pointer to the IfDesc of the requested interface ** - NULL if no interface 'Ix' exists ** */ struct IfDesc *getIfByIx( unsigned Ix ) { struct IfDesc *Dp = &IfDescVc[ Ix ]; return Dp < IfDescEp ? Dp : NULL; } /** * Returns a pointer to the IfDesc whose subnet matches * the supplied IP adress. The IP must match a interfaces * subnet, or any configured allowed subnet on a interface. */ struct IfDesc *getIfByAddress( uint32_t ipaddr ) { struct IfDesc *Dp; struct SubnetList *currsubnet; struct IfDesc *res = NULL; uint32_t last_subnet_mask = 0; for ( Dp = IfDescVc; Dp < IfDescEp; Dp++ ) { // Loop through all registered allowed nets of the VIF... for(currsubnet = Dp->allowednets; currsubnet != NULL; currsubnet = currsubnet->next) { // Check if the ip falls in under the subnet.... if(currsubnet->subnet_mask > last_subnet_mask && (ipaddr & currsubnet->subnet_mask) == currsubnet->subnet_addr) { res = Dp; last_subnet_mask = currsubnet->subnet_mask; } } } return res; } /** * Returns a pointer to the IfDesc whose subnet matches * the supplied IP adress. The IP must match a interfaces * subnet, or any configured allowed subnet on a interface. */ struct IfDesc *getIfByVifIndex( unsigned vifindex ) { struct IfDesc *Dp; if(vifindex>0) { for ( Dp = IfDescVc; Dp < IfDescEp; Dp++ ) { if(Dp->index == vifindex) { return Dp; } } } return NULL; } /** * Function that checks if a given ipaddress is a valid * address for the supplied VIF. */ int isAdressValidForIf( struct IfDesc* intrface, uint32_t ipaddr ) { struct SubnetList *currsubnet; if(intrface == NULL) { return 0; } // Loop through all registered allowed nets of the VIF... for(currsubnet = intrface->allowednets; currsubnet != NULL; currsubnet = currsubnet->next) { // Check if the ip falls in under the subnet.... if((ipaddr & currsubnet->subnet_mask) == currsubnet->subnet_addr) { return 1; } } return 0; } igmpproxy-0.1/src/os-openbsd.h0000644000175000001440000000113011202621326013324 00000000000000#include #include #include #include #define IGMP_MEMBERSHIP_QUERY IGMP_HOST_MEMBERSHIP_QUERY #define IGMP_V1_MEMBERSHIP_REPORT IGMP_v1_HOST_MEMBERSHIP_REPORT #define IGMP_V2_MEMBERSHIP_REPORT IGMP_v2_HOST_MEMBERSHIP_REPORT #define IGMP_V2_LEAVE_GROUP IGMP_HOST_LEAVE_MESSAGE #define INADDR_ALLRTRS_GROUP INADDR_ALLROUTERS_GROUP static inline u_short ip_data_len(const struct ip *ip) { return ntohs(ip->ip_len) - (ip->ip_hl << 2); } static inline void ip_set_len(struct ip *ip, u_short len) { ip->ip_len = htons(len); } igmpproxy-0.1/src/igmpproxy.h0000644000175000001440000001731111262434256013333 00000000000000/* ** igmpproxy - IGMP proxy based multicast router ** Copyright (C) 2005 Johnny Egeland ** ** 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 ** **---------------------------------------------------------------------------- ** ** This software is derived work from the following software. The original ** source code has been modified from it's original state by the author ** of igmpproxy. ** ** smcroute 0.92 - Copyright (C) 2001 Carsten Schill ** - Licensed under the GNU General Public License, version 2 ** ** mrouted 3.9-beta3 - COPYRIGHT 1989 by The Board of Trustees of ** Leland Stanford Junior University. ** - Original license can be found in the Stanford.txt file. ** */ /** * igmpproxy.h - Header file for common includes. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "os.h" #include "config.h" /* * Limit on length of route data */ #define MAX_IP_PACKET_LEN 576 #define MIN_IP_HEADER_LEN 20 #define MAX_IP_HEADER_LEN 60 #define MAX_MC_VIFS 32 // !!! check this const in the specific includes // Useful macros.. #define VCMC( Vc ) (sizeof( Vc ) / sizeof( (Vc)[ 0 ] )) #define VCEP( Vc ) (&(Vc)[ VCMC( Vc ) ]) // Bit manipulation macros... #define BIT_ZERO(X) ((X) = 0) #define BIT_SET(X,n) ((X) |= 1 << (n)) #define BIT_CLR(X,n) ((X) &= ~(1 << (n))) #define BIT_TST(X,n) ((X) & 1 << (n)) //################################################################################# // Globals //################################################################################# /* * External declarations for global variables and functions. */ #define RECV_BUF_SIZE 8192 extern char *recv_buf; extern char *send_buf; extern char s1[]; extern char s2[]; extern char s3[]; extern char s4[]; //################################################################################# // Lib function prototypes. //################################################################################# /* syslog.c */ extern bool Log2Stderr; // Log to stderr instead of to syslog extern int LogLevel; // Log threshold, LOG_WARNING .... LOG_DEBUG void my_log( int Serverity, int Errno, const char *FmtSt, ... ); /* ifvc.c */ #define MAX_IF 40 // max. number of interfaces recognized // Interface states #define IF_STATE_DISABLED 0 // Interface should be ignored. #define IF_STATE_UPSTREAM 1 // Interface is the upstream interface #define IF_STATE_DOWNSTREAM 2 // Interface is a downstream interface // Multicast default values... #define DEFAULT_ROBUSTNESS 2 #define DEFAULT_THRESHOLD 1 #define DEFAULT_RATELIMIT 0 // Define timer constants (in seconds...) #define INTERVAL_QUERY 125 #define INTERVAL_QUERY_RESPONSE 10 //#define INTERVAL_QUERY_RESPONSE 10 #define ROUTESTATE_NOTJOINED 0 // The group corresponding to route is not joined #define ROUTESTATE_JOINED 1 // The group corresponding to route is joined #define ROUTESTATE_CHECK_LAST_MEMBER 2 // The router is checking for hosts // Linked list of networks... struct SubnetList { uint32_t subnet_addr; uint32_t subnet_mask; struct SubnetList* next; }; struct IfDesc { char Name[IF_NAMESIZE]; struct in_addr InAdr; /* == 0 for non IP interfaces */ short Flags; short state; struct SubnetList* allowednets; unsigned int robustness; unsigned char threshold; /* ttl limit */ unsigned int ratelimit; unsigned int index; }; // Keeps common configuration settings struct Config { unsigned int robustnessValue; unsigned int queryInterval; unsigned int queryResponseInterval; // Used on startup.. unsigned int startupQueryInterval; unsigned int startupQueryCount; // Last member probe... unsigned int lastMemberQueryInterval; unsigned int lastMemberQueryCount; // Set if upstream leave messages should be sent instantly.. unsigned short fastUpstreamLeave; }; // Defines the Index of the upstream VIF... extern int upStreamVif; /* ifvc.c */ void buildIfVc( void ); struct IfDesc *getIfByName( const char *IfName ); struct IfDesc *getIfByIx( unsigned Ix ); struct IfDesc *getIfByAddress( uint32_t Ix ); int isAdressValidForIf(struct IfDesc* intrface, uint32_t ipaddr); /* mroute-api.c */ struct MRouteDesc { struct in_addr OriginAdr, McAdr; short InVif; uint8_t TtlVc[ MAX_MC_VIFS ]; }; // IGMP socket as interface for the mrouted API // - receives the IGMP messages extern int MRouterFD; int enableMRouter( void ); void disableMRouter( void ); void addVIF( struct IfDesc *Dp ); int addMRoute( struct MRouteDesc * Dp ); int delMRoute( struct MRouteDesc * Dp ); int getVifIx( struct IfDesc *IfDp ); /* config.c */ int loadConfig(char *configFile); void configureVifs(); struct Config *getCommonConfig(); /* igmp.c */ extern uint32_t allhosts_group; extern uint32_t allrouters_group; void initIgmp(void); void acceptIgmp(int); void sendIgmp (uint32_t, uint32_t, int, int, uint32_t,int); /* lib.c */ char *fmtInAdr( char *St, struct in_addr InAdr ); char *inetFmt(uint32_t addr, char *s); char *inetFmts(uint32_t addr, uint32_t mask, char *s); uint16_t inetChksum(uint16_t *addr, int len); /* kern.c */ void k_set_rcvbuf(int bufsize, int minsize); void k_hdr_include(int hdrincl); void k_set_ttl(int t); void k_set_loop(int l); void k_set_if(uint32_t ifa); /* void k_join(uint32_t grp, uint32_t ifa); void k_leave(uint32_t grp, uint32_t ifa); */ /* udpsock.c */ int openUdpSocket( uint32_t PeerInAdr, uint16_t PeerPort ); /* mcgroup.c */ int joinMcGroup( int UdpSock, struct IfDesc *IfDp, uint32_t mcastaddr ); int leaveMcGroup( int UdpSock, struct IfDesc *IfDp, uint32_t mcastaddr ); /* rttable.c */ void initRouteTable(); void clearAllRoutes(); int insertRoute(uint32_t group, int ifx); int activateRoute(uint32_t group, uint32_t originAddr); void ageActiveRoutes(); void setRouteLastMemberMode(uint32_t group); int lastMemberGroupAge(uint32_t group); /* request.c */ void acceptGroupReport(uint32_t src, uint32_t group, uint8_t type); void acceptLeaveMessage(uint32_t src, uint32_t group); void sendGeneralMembershipQuery(); /* callout.c */ typedef void (*timer_f)(void *); void callout_init(); void free_all_callouts(); void age_callout_queue(int); int timer_nextTimer(); int 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We just wanted to have am__tar # and am__untar set. test -n "${am_cv_prog_tar_$1}" && break # tar/untar a dummy directory, and stop if the command works rm -rf conftest.dir mkdir conftest.dir echo GrepMe > conftest.dir/file AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar]) rm -rf conftest.dir if test -s conftest.tar; then AM_RUN_LOG([$am__untar /dev/null 2>&1 && break fi done rm -rf conftest.dir AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool]) AC_MSG_RESULT([$am_cv_prog_tar_$1])]) AC_SUBST([am__tar]) AC_SUBST([am__untar]) ]) # _AM_PROG_TAR igmpproxy-0.1/AUTHORS0000644000175000001440000000051611262434307011401 00000000000000Authors and contributors, in alphabetical order: Alexey Charkov Christian Ruppert Conrad Kostecki Constantin Baranov Damjan Cvetko Johnny Egeland Martin Djernaes igmpproxy-0.1/configure.ac0000644000175000001440000000132111262432712012610 00000000000000AC_PREREQ([2.63]) AC_INIT([igmpproxy], [0.1]) AM_INIT_AUTOMAKE AC_CONFIG_SRCDIR([src/igmpproxy.c]) AC_CONFIG_HEADERS([config.h]) AC_PROG_CC_C99 AC_CANONICAL_HOST case $host_os in linux*) os=linux;; freebsd*) os=freebsd;; netbsd*) os=netbsd;; openbsd*) os=openbsd;; dragonfly*) os=dragonfly;; *) AC_MSG_ERROR([OS $host_os is not supported]);; esac AC_CONFIG_LINKS([src/os.h:src/os-${os}.h]) AC_CHECK_MEMBERS([struct sockaddr.sa_len], [], [], [[ #include #include ]]) AC_CHECK_MEMBERS([struct sockaddr_in.sin_len], [], [], [[ #include #include ]]) AC_CONFIG_FILES([ Makefile doc/Makefile src/Makefile doc/igmpproxy.8 doc/igmpproxy.conf.5 ]) AC_OUTPUT igmpproxy-0.1/igmpproxy.conf0000644000175000001440000000277111200072032013224 00000000000000######################################################## # # Example configuration file for the IgmpProxy # -------------------------------------------- # # The configuration file must define one upstream # interface, and one or more downstream interfaces. # # If multicast traffic originates outside the # upstream subnet, the "altnet" option can be # used in order to define legal multicast sources. # (Se example...) # # The "quickleave" should be used to avoid saturation # of the upstream link. The option should only # be used if it's absolutely nessecary to # accurately imitate just one Client. # ######################################################## ##------------------------------------------------------ ## Enable Quickleave mode (Sends Leave instantly) ##------------------------------------------------------ quickleave ##------------------------------------------------------ ## Configuration for eth0 (Upstream Interface) ##------------------------------------------------------ phyint eth0 upstream ratelimit 0 threshold 1 altnet 10.0.0.0/8 altnet 192.168.0.0/24 ##------------------------------------------------------ ## Configuration for eth1 (Downstream Interface) ##------------------------------------------------------ phyint eth1 downstream ratelimit 0 threshold 1 ##------------------------------------------------------ ## Configuration for eth2 (Disabled Interface) ##------------------------------------------------------ phyint eth2 disabled igmpproxy-0.1/INSTALL0000644000175000001440000002713611210466057011371 00000000000000Installation Instructions ************************* Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. This file is free documentation; the Free Software Foundation gives unlimited permission to copy, distribute and modify it. Basic Installation ================== Briefly, the shell commands `./configure; make; make install' should configure, build, and install this package. The following more-detailed instructions are generic; see the `README' file for instructions specific to this package. The `configure' shell script attempts to guess correct values for various system-dependent variables used during compilation. It uses those values to create a `Makefile' in each directory of the package. It may also create one or more `.h' files containing system-dependent definitions. Finally, it creates a shell script `config.status' that you can run in the future to recreate the current configuration, and a file `config.log' containing compiler output (useful mainly for debugging `configure'). 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Often, you can also type `make uninstall' to remove the installed files again. Compilers and Options ===================== Some systems require unusual options for compilation or linking that the `configure' script does not know about. Run `./configure --help' for details on some of the pertinent environment variables. You can give `configure' initial values for configuration parameters by setting variables in the command line or in the environment. Here is an example: ./configure CC=c99 CFLAGS=-g LIBS=-lposix *Note Defining Variables::, for more details. Compiling For Multiple Architectures ==================================== You can compile the package for more than one kind of computer at the same time, by placing the object files for each architecture in their own directory. To do this, you can use GNU `make'. `cd' to the directory where you want the object files and executables to go and run the `configure' script. `configure' automatically checks for the source code in the directory that `configure' is in and in `..'. With a non-GNU `make', it is safer to compile the package for one architecture at a time in the source code directory. After you have installed the package for one architecture, use `make distclean' before reconfiguring for another architecture. On MacOS X 10.5 and later systems, you can create libraries and executables that work on multiple system types--known as "fat" or "universal" binaries--by specifying multiple `-arch' options to the compiler but only a single `-arch' option to the preprocessor. 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For packages that use the X Window System, `configure' can usually find the X include and library files automatically, but if it doesn't, you can use the `configure' options `--x-includes=DIR' and `--x-libraries=DIR' to specify their locations. Particular systems ================== On HP-UX, the default C compiler is not ANSI C compatible. If GNU CC is not installed, it is recommended to use the following options in order to use an ANSI C compiler: ./configure CC="cc -Ae -D_XOPEN_SOURCE=500" and if that doesn't work, install pre-built binaries of GCC for HP-UX. On OSF/1 a.k.a. Tru64, some versions of the default C compiler cannot parse its `' header file. The option `-nodtk' can be used as a workaround. If GNU CC is not installed, it is therefore recommended to try ./configure CC="cc" and if that doesn't work, try ./configure CC="cc -nodtk" On Solaris, don't put `/usr/ucb' early in your `PATH'. This directory contains several dysfunctional programs; working variants of these programs are available in `/usr/bin'. So, if you need `/usr/ucb' in your `PATH', put it _after_ `/usr/bin'. On Haiku, software installed for all users goes in `/boot/common', not `/usr/local'. It is recommended to use the following options: ./configure --prefix=/boot/common Specifying the System Type ========================== There may be some features `configure' cannot figure out automatically, but needs to determine by the type of machine the package will run on. Usually, assuming the package is built to be run on the _same_ architectures, `configure' can figure that out, but if it prints a message saying it cannot guess the machine type, give it the `--build=TYPE' option. TYPE can either be a short name for the system type, such as `sun4', or a canonical name which has the form: CPU-COMPANY-SYSTEM where SYSTEM can have one of these forms: OS KERNEL-OS See the file `config.sub' for the possible values of each field. If `config.sub' isn't included in this package, then this package doesn't need to know the machine type. If you are _building_ compiler tools for cross-compiling, you should use the option `--target=TYPE' to select the type of system they will produce code for. If you want to _use_ a cross compiler, that generates code for a platform different from the build platform, you should specify the "host" platform (i.e., that on which the generated programs will eventually be run) with `--host=TYPE'. Sharing Defaults ================ If you want to set default values for `configure' scripts to share, you can create a site shell script called `config.site' that gives default values for variables like `CC', `cache_file', and `prefix'. `configure' looks for `PREFIX/share/config.site' if it exists, then `PREFIX/etc/config.site' if it exists. Or, you can set the `CONFIG_SITE' environment variable to the location of the site script. A warning: not all `configure' scripts look for a site script. Defining Variables ================== Variables not defined in a site shell script can be set in the environment passed to `configure'. However, some packages may run configure again during the build, and the customized values of these variables may be lost. In order to avoid this problem, you should set them in the `configure' command line, using `VAR=value'. For example: ./configure CC=/usr/local2/bin/gcc causes the specified `gcc' to be used as the C compiler (unless it is overridden in the site shell script). Unfortunately, this technique does not work for `CONFIG_SHELL' due to an Autoconf bug. Until the bug is fixed you can use this workaround: CONFIG_SHELL=/bin/bash /bin/bash ./configure CONFIG_SHELL=/bin/bash `configure' Invocation ====================== `configure' recognizes the following options to control how it operates. `--help' `-h' Print a summary of all of the options to `configure', and exit. `--help=short' `--help=recursive' Print a summary of the options unique to this package's `configure', and exit. The `short' variant lists options used only in the top level, while the `recursive' variant lists options also present in any nested packages. `--version' `-V' Print the version of Autoconf used to generate the `configure' script, and exit. `--cache-file=FILE' Enable the cache: use and save the results of the tests in FILE, traditionally `config.cache'. FILE defaults to `/dev/null' to disable caching. `--config-cache' `-C' Alias for `--cache-file=config.cache'. `--quiet' `--silent' `-q' Do not print messages saying which checks are being made. To suppress all normal output, redirect it to `/dev/null' (any error messages will still be shown). `--srcdir=DIR' Look for the package's source code in directory DIR. Usually `configure' can determine that directory automatically. `--prefix=DIR' Use DIR as the installation prefix. *Note Installation Names:: for more details, including other options available for fine-tuning the installation locations. `--no-create' `-n' Run the configure checks, but stop before creating any output files. `configure' also accepts some other, not widely useful, options. Run `configure --help' for more details. igmpproxy-0.1/ChangeLog0000644000175000001440000002276611262434307012116 00000000000000commit 0e8e7fde2d68f9ea9b5095c24231024be281393c Author: Constantin Baranov Date: Mon Oct 5 21:31:42 2009 +0500 Release 0.1 commit 68ba90446e02825073b779bd0628c4f34833665d Author: Constantin Baranov Date: Thu Oct 1 00:09:38 2009 +0500 Fix building on FreeBSD 8.0 (wrt #2870461) Several IGMP_* macroses was deprecated in r189347/v800069 and removed in r193938/v800098. Redefine them if needed. commit 74c2e1aa414f33585562d6783a3290ac63ee6c69 Author: Martin Djernaes Date: Sun Sep 6 16:41:22 2009 +0500 Fix netmask detection on interfaces with multiple addresses When having multiple IP addresses on an interface the netmask retrieved for each IP address is not correct. The reason is that ioctrl for SIOCGIFNETMASK will just provide the first netmask when no IP address is provided in the call. commit 64144607195b779396a49179518aade24707cbbc Author: Constantin Baranov Date: Fri Sep 4 01:38:27 2009 +0500 Generate ChangeLog and AUTHORS by Git commit 94dd711318384e7b121924db0177a65b2fc38471 Author: Constantin Baranov Date: Sun Aug 16 19:45:04 2009 +0500 Release 0.1 beta5 commit 3ac424f82ab9f281dd3a0bfccbc92352bd5512c0 Author: Damjan Cvetko Date: Sun Aug 16 19:28:30 2009 +0500 Improve getIfByAddress() function (wrt #2835052) getIfByAddress does not find the best iterface in case of overlaping networks. This patchs scans through all interfaces (and networks) and picks the one with the longest subnet. commit 8ca5a29b56390020f27d4106643cd623cdb12bb2 Author: Constantin Baranov Date: Sun Aug 16 18:37:58 2009 +0500 Fix nextConfigToken() function (wrt #2838154) The nextConfigToken() returns NULL when EOF reached even if token was read already. This results in loss of last token in file usually. Let it return unterminated token if it is non-empty already. commit 954674bc4ec6a689b1de2f2a2766e993df1e2705 Author: Constantin Baranov Date: Thu May 14 01:14:56 2009 +0500 Release 0.1 beta4 commit a7908b855ecb6959ea08ef3b374ff2aca9939cf0 Author: Constantin Baranov Date: Thu May 14 01:10:35 2009 +0500 Update README etc. commit 62fa19975ff4daa8e31a9b07bf33ddc8cd0129f8 Author: Constantin Baranov Date: Thu May 14 01:06:44 2009 +0500 State licenses in the COPYING commit 3ac3ae462ca35ec7f1f22d968bf4fab0807d636f Author: Constantin Baranov Date: Sun May 10 05:01:21 2009 +0500 Remove pointless backslashes in configure.ac commit 3c4118949b6a19b384b08e171a5294b0ea307e08 Author: Constantin Baranov Date: Sun May 10 02:19:30 2009 +0500 Replace bzero() with memset() commit ee07cb5bfd2514503d0564d2aee0656203d9a91e Author: Constantin Baranov Date: Sat May 9 02:09:28 2009 +0500 Remove redundant #include commit 56e37ad6ba0c6aade86c1407ea55abb8b445d119 Author: Constantin Baranov Date: Sat May 9 02:00:03 2009 +0500 Add DragonFly BSD support commit eccefd205c3fb326b6ae1b79676238fc349f8be8 Author: Constantin Baranov Date: Sat May 9 01:57:07 2009 +0500 Add missed format argument in acceptLeaveMessage() commit 16c55bd5ab6a9608099252fa320ddbc0a05fca0a Author: Constantin Baranov Date: Wed May 6 01:29:04 2009 +0500 Avoid inclusion if linux/in.h (wrt #2787118) The linux/in.h header conflicts with the netinet/in.h header in certain Linux distributions. So let's ensure that linux/in.h will never be included neither directly nor from linux/mroute.h. commit e01624e123c5a24310a4fb7f70ab6178278c3b7a Author: Constantin Baranov Date: Sun May 3 22:00:33 2009 +0500 Release 0.1 beta3 commit a3c84e48a1ff32812aac92ca0dba923ca7dd4ca0 Author: Constantin Baranov Date: Sun May 3 21:53:56 2009 +0500 Show version in help message Also remove unused Version constant. commit f880a472f6b835d8139adc27908206a11a50846f Author: Constantin Baranov Date: Sun May 3 21:43:01 2009 +0500 Remove IF_DEBUG macros IF_DEBUG macros hides my_log(LOG_DEBUG...) calls. Thus it is redundant. commit 6b1a4beb839f41ecc7468e2680f5d0eedbd49b35 Author: Constantin Baranov Date: Sun May 3 21:29:16 2009 +0500 Break long lines in build scripts commit 55dcd57b8cfac25a4eeafae5a18ab85a07484418 Author: Constantin Baranov Date: Sun May 3 21:19:19 2009 +0500 Remove hardcoded version strings from man pages commit e7880c542e38bae8efa16b148a431488456f5594 Author: Constantin Baranov Date: Sun May 3 20:52:58 2009 +0500 Move mrouted-LICENSE out of doc directory commit 9fee127b13336776d2e6019db8c22ee7de9bf36f Author: Constantin Baranov Date: Sun May 3 20:32:31 2009 +0500 Use strdup() instead of malloc() and strcpy() commit d34dee7ea0b03ba98806558a1eebf78061ce8878 Author: Constantin Baranov Date: Sun May 3 20:30:44 2009 +0500 Eliminate message about IGMP_MEMBERSHIP_QUERY ignored commit 32de2bfbad537f6e60edddaefa6c240b2811c567 Author: Constantin Baranov Date: Sun May 3 20:25:30 2009 +0500 Add OpenBSD support commit a85c620eccea244c80a34c3403b2ea7055616703 Author: Constantin Baranov Date: Sun May 3 04:16:53 2009 +0500 Add NetBSD support commit d61d57c50b8b2399ff90e32da687686cf068680a Author: Constantin Baranov Date: Sat May 2 05:07:12 2009 +0500 Remove outdated bug report email address commit 14edc6d6dab34e5e51bc12a61f45bae753235e98 Author: Constantin Baranov Date: Sat May 2 04:49:38 2009 +0500 Improve OS checking mechanism Hide all OS-specific things in os-*.h headers and let autoconf select proper header. Also add check for struct sockaddr_in.sin_len member. commit b23a4c9f9edd43a22759930ae969ee420c270456 Author: Constantin Baranov Date: Sat May 2 04:48:23 2009 +0500 Do not close std* streams in non-debug mode commit 7256cb378db4b839f0138cc9422971f5fb353de1 Author: Constantin Baranov Date: Fri Apr 17 21:16:47 2009 +0500 Clean up configure.ac and add check for sockaddr.sa_len member commit eb6f3eababbca43c517a1407e5af66ed384bf07d Author: Constantin Baranov Date: Fri Apr 17 20:04:32 2009 +0500 Install igmpproxy to sbin directory commit e22427f33150970f6bef3106ac018d7138dfbadb Author: Constantin Baranov Date: Fri Apr 17 20:03:46 2009 +0500 Add missing igmpproxy.h to list of sources commit 68fb7638f36c85c44b2a8a33e28af58c65de8a06 Author: Christian Ruppert Date: Thu Apr 9 21:28:04 2009 +0500 Add missing 'h' to the getopt() optstring commit bae0b7b42ec948442945648878dbc8ef3ee1d2c5 Author: Constantin Baranov Date: Sat Apr 4 00:38:37 2009 +0500 Rework logging Allow to control verbosity with -v option. Don't write to syslog in debug mode. Don't fork in background. Let start-stop-deamon do this. Also update man-pages and help messages. commit df0ffb7998cbbd3ab09c100f48dead6adb93aa2c Author: Constantin Baranov Date: Sat Apr 4 00:38:06 2009 +0500 Move igmpproxy.conf out of src directory commit 4c36c1ea8f9822f96031cff8f40ca3fc7cb93db3 Author: Constantin Baranov Date: Mon Mar 9 22:03:46 2009 +0400 Initial FreeBSD support Based on IGMPproxy port to FreeBSD made by Pavel Korshunov and gygenot. commit fdc5cc59655a59f7f73af78d6606b5c45b9c1071 Author: Constantin Baranov Date: Sun Mar 8 20:37:17 2009 +0400 Move to C99 and clean up the code Listen to compiler's warnings. Use standard integer and boolean types. Remove redundant version.h. commit b535f70ec3dfc73a767592739c8aa44583e7e833 Author: Constantin Baranov Date: Sun Mar 8 17:53:24 2009 +0400 Rename defs.h to igmpproxy.h commit 2df90756d378de822d6ece6aa0a340cab6a489e4 Author: Constantin Baranov Date: Sun Mar 8 16:17:20 2009 +0400 Add bootstrap script commit 3393d1cd7c0f13cc91fa3ec974eb2cd1409bb720 Author: Constantin Baranov Date: Fri Feb 27 22:28:03 2009 +0400 Remove stuff generated by autotools commit 576b42c7fc71757a33dbac0ebc388f8eebd81fe3 Author: Constantin Baranov Date: Mon Feb 23 00:36:39 2009 +0400 Fix logging to syslog Do not write textual representation of message severity because syslog can do this itself. Also write only one string at a time. commit 1223d5975a1da679d15120417365582a0054abc4 Author: Constantin Baranov Date: Mon Feb 23 00:22:20 2009 +0400 chmod -x on appropriate files commit 66145eee1d74c9edd23f3d72700911865b7a09bb Author: Conrad Kostecki Date: Mon Feb 23 00:18:48 2009 +0400 Remove banner commit 710d688641ca68d89a7b8958c7d84144d5fb1d9b Author: Alexey Charkov Date: Mon Feb 23 00:13:03 2009 +0400 Enable autotools I've packaged igmpproxy with GNU autotools, which will allow for a better experience on Gentoo (CFLAGS, directory structure etc). Also, compile-time warnings are fixed. As the project is dead, this is not even a fork :) commit f4c36aa73287b794e2c842564e82d2d4f3c1027f Author: Johnny Egeland Date: Mon Feb 23 00:10:48 2009 +0400 Initial import igmpproxy-0.1/config.guess0000755000175000001440000013214511250510443012646 00000000000000#! /bin/sh # Attempt to guess a canonical system name. # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, # 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 # Free Software Foundation, Inc. timestamp='2009-08-19' # This file is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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) HP_ARCH=m68000 ;; 9000/[34]?? ) HP_ARCH=m68k ;; 9000/[678][0-9][0-9]) if [ -x /usr/bin/getconf ]; then sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` case "${sc_cpu_version}" in 523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0 528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1 532) # CPU_PA_RISC2_0 case "${sc_kernel_bits}" in 32) HP_ARCH="hppa2.0n" ;; 64) HP_ARCH="hppa2.0w" ;; '') HP_ARCH="hppa2.0" ;; # HP-UX 10.20 esac ;; esac fi if [ "${HP_ARCH}" = "" ]; then eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #define _HPUX_SOURCE #include #include int main () { #if defined(_SC_KERNEL_BITS) long bits = sysconf(_SC_KERNEL_BITS); #endif long cpu = sysconf (_SC_CPU_VERSION); switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0"); break; case CPU_PA_RISC1_1: puts ("hppa1.1"); break; case CPU_PA_RISC2_0: #if defined(_SC_KERNEL_BITS) switch (bits) { case 64: puts ("hppa2.0w"); break; case 32: puts ("hppa2.0n"); break; default: puts ("hppa2.0"); break; } break; #else /* !defined(_SC_KERNEL_BITS) */ puts ("hppa2.0"); break; #endif default: puts ("hppa1.0"); break; } exit (0); } EOF (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy` test -z "$HP_ARCH" && HP_ARCH=hppa fi ;; esac if [ ${HP_ARCH} = "hppa2.0w" ] then eval $set_cc_for_build # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler # generating 64-bit code. GNU and HP use different nomenclature: # # $ CC_FOR_BUILD=cc ./config.guess # => hppa2.0w-hp-hpux11.23 # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess # => hppa64-hp-hpux11.23 if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | grep -q __LP64__ then HP_ARCH="hppa2.0w" else HP_ARCH="hppa64" fi fi echo ${HP_ARCH}-hp-hpux${HPUX_REV} exit ;; ia64:HP-UX:*:*) HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` echo ia64-hp-hpux${HPUX_REV} exit ;; 3050*:HI-UX:*:*) eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #include int main () { long cpu = sysconf (_SC_CPU_VERSION); /* The order matters, because CPU_IS_HP_MC68K erroneously returns true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct results, however. */ if (CPU_IS_PA_RISC (cpu)) { switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; default: puts ("hppa-hitachi-hiuxwe2"); break; } } else if (CPU_IS_HP_MC68K (cpu)) puts ("m68k-hitachi-hiuxwe2"); else puts ("unknown-hitachi-hiuxwe2"); exit (0); } EOF $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` && { echo "$SYSTEM_NAME"; exit; } echo unknown-hitachi-hiuxwe2 exit ;; 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* ) echo hppa1.1-hp-bsd exit ;; 9000/8??:4.3bsd:*:*) echo hppa1.0-hp-bsd exit ;; *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) echo hppa1.0-hp-mpeix exit ;; hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* ) echo hppa1.1-hp-osf exit ;; hp8??:OSF1:*:*) echo hppa1.0-hp-osf exit ;; i*86:OSF1:*:*) if [ -x /usr/sbin/sysversion ] ; then echo ${UNAME_MACHINE}-unknown-osf1mk else echo ${UNAME_MACHINE}-unknown-osf1 fi exit ;; parisc*:Lites*:*:*) echo hppa1.1-hp-lites exit ;; C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) echo c1-convex-bsd exit ;; C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) if getsysinfo -f scalar_acc then echo c32-convex-bsd else echo c2-convex-bsd fi exit ;; C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) echo c34-convex-bsd exit ;; C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) echo c38-convex-bsd exit ;; C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) echo c4-convex-bsd exit ;; CRAY*Y-MP:*:*:*) echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*[A-Z]90:*:*:*) echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \ | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ -e 's/\.[^.]*$/.X/' exit ;; CRAY*TS:*:*:*) echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*T3E:*:*:*) echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*SV1:*:*:*) echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; *:UNICOS/mp:*:*) echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'` echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" exit ;; 5000:UNIX_System_V:4.*:*) FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'` echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" exit ;; i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE} exit ;; sparc*:BSD/OS:*:*) echo sparc-unknown-bsdi${UNAME_RELEASE} exit ;; *:BSD/OS:*:*) echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE} exit ;; *:FreeBSD:*:*) case ${UNAME_MACHINE} in pc98) echo i386-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; amd64) echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; *) echo ${UNAME_MACHINE}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; esac exit ;; i*:CYGWIN*:*) echo ${UNAME_MACHINE}-pc-cygwin exit ;; *:MINGW*:*) echo ${UNAME_MACHINE}-pc-mingw32 exit ;; i*:windows32*:*) # uname -m includes "-pc" on this system. echo ${UNAME_MACHINE}-mingw32 exit ;; i*:PW*:*) echo ${UNAME_MACHINE}-pc-pw32 exit ;; *:Interix*:[3456]*) case ${UNAME_MACHINE} in x86) echo i586-pc-interix${UNAME_RELEASE} exit ;; EM64T | authenticamd | genuineintel) 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 ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-${LIBC} exit ;; i*86:Minix:*:*) echo ${UNAME_MACHINE}-pc-minix 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 ${UNAME_MACHINE}-unknown-linux-${LIBC} else echo ${UNAME_MACHINE}-unknown-linux-${LIBC}eabi fi exit ;; avr32*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; cris:Linux:*:*) echo cris-axis-linux-${LIBC} exit ;; crisv32:Linux:*:*) echo crisv32-axis-linux-${LIBC} exit ;; frv:Linux:*:*) echo frv-unknown-linux-${LIBC} exit ;; ia64:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; m32r*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; m68*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} 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 $dummy.c 2>/dev/null | sed -n ' /^CPU/{ s: ::g p }'`" test x"${CPU}" != x && { echo "${CPU}-unknown-linux-${LIBC}"; exit; } ;; or32:Linux:*:*) echo or32-unknown-linux-${LIBC} exit ;; ppc:Linux:*:*) echo powerpc-unknown-linux-${LIBC} exit ;; ppc64:Linux:*:*) echo powerpc64-unknown-linux-${LIBC} 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="gnulibc1" ; fi echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; padre:Linux:*:*) echo sparc-unknown-linux-${LIBC} exit ;; parisc:Linux:*:* | hppa:Linux:*:*) # Look for CPU level case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in PA7*) echo hppa1.1-unknown-linux-${LIBC} ;; PA8*) echo hppa2.0-unknown-linux-${LIBC} ;; *) echo hppa-unknown-linux-${LIBC} ;; esac exit ;; parisc64:Linux:*:* | hppa64:Linux:*:*) echo hppa64-unknown-linux-${LIBC} exit ;; s390:Linux:*:* | s390x:Linux:*:*) echo ${UNAME_MACHINE}-ibm-linux exit ;; sh64*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; sh*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; sparc:Linux:*:* | sparc64:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; vax:Linux:*:*) echo ${UNAME_MACHINE}-dec-linux-${LIBC} exit ;; x86_64:Linux:*:*) echo x86_64-unknown-linux-${LIBC} exit ;; xtensa*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; i*86:Linux:*:*) # The BFD linker knows what the default object file format is, so # first see if it will tell us. cd to the root directory to prevent # problems with other programs or directories called `ld' in the path. # Set LC_ALL=C to ensure ld outputs messages in English. ld_supported_targets=`cd /; LC_ALL=C ld --help 2>&1 \ | sed -ne '/supported targets:/!d s/[ ][ ]*/ /g s/.*supported targets: *// s/ .*// p'` case "$ld_supported_targets" in elf32-i386) TENTATIVE="${UNAME_MACHINE}-pc-linux-${LIBC}" ;; esac # This should get integrated into the C code below, but now we hack if [ "$LIBC" != "gnu" ] ; then echo "$TENTATIVE" && exit 0 ; fi # Determine whether the default compiler is a.out or elf eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #include #ifdef __ELF__ # ifdef __GLIBC__ # if __GLIBC__ >= 2 LIBC=gnu # else LIBC=gnulibc1 # endif # else LIBC=gnulibc1 # endif #else #if defined(__INTEL_COMPILER) || defined(__PGI) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) LIBC=gnu #else LIBC=gnuaout #endif #endif #ifdef __dietlibc__ LIBC=dietlibc #endif EOF eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n ' /^LIBC/{ s: ::g p }'`" test x"${LIBC}" != x && { echo "${UNAME_MACHINE}-pc-linux-${LIBC}" exit } test x"${TENTATIVE}" != x && { echo "${TENTATIVE}"; exit; } ;; i*86:DYNIX/ptx:4*:*) # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there. # earlier versions are messed up and put the nodename in both # sysname and nodename. echo i386-sequent-sysv4 exit ;; i*86:UNIX_SV:4.2MP:2.*) # Unixware is an offshoot of SVR4, but it has its own version # number series starting with 2... # I am not positive that other SVR4 systems won't match this, # I just have to hope. -- rms. # Use sysv4.2uw... so that sysv4* matches it. echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION} exit ;; i*86:OS/2:*:*) # If we were able to find `uname', then EMX Unix compatibility # is probably installed. echo ${UNAME_MACHINE}-pc-os2-emx exit ;; i*86:XTS-300:*:STOP) echo ${UNAME_MACHINE}-unknown-stop exit ;; i*86:atheos:*:*) echo ${UNAME_MACHINE}-unknown-atheos exit ;; i*86:syllable:*:*) echo ${UNAME_MACHINE}-pc-syllable exit ;; i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*) echo i386-unknown-lynxos${UNAME_RELEASE} exit ;; i*86:*DOS:*:*) echo ${UNAME_MACHINE}-pc-msdosdjgpp exit ;; i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*) UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'` if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL} else echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL} fi exit ;; i*86:*:5:[678]*) # UnixWare 7.x, OpenUNIX and OpenServer 6. case `/bin/uname -X | grep "^Machine"` in *486*) UNAME_MACHINE=i486 ;; *Pentium) UNAME_MACHINE=i586 ;; *Pent*|*Celeron) UNAME_MACHINE=i686 ;; esac echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION} exit ;; i*86:*:3.2:*) if test -f /usr/options/cb.name; then UNAME_REL=`sed -n 's/.*Version //p' /dev/null >/dev/null ; then UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')` (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486 (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \ && UNAME_MACHINE=i586 (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \ && UNAME_MACHINE=i686 (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \ && UNAME_MACHINE=i686 echo ${UNAME_MACHINE}-pc-sco$UNAME_REL else echo ${UNAME_MACHINE}-pc-sysv32 fi exit ;; pc:*:*:*) # Left here for compatibility: # uname -m prints for DJGPP always 'pc', but it prints nothing about # the processor, so we play safe by assuming i586. # Note: whatever this is, it MUST be the same as what config.sub # prints for the "djgpp" host, or else GDB configury will decide that # this is a cross-build. echo i586-pc-msdosdjgpp exit ;; Intel:Mach:3*:*) echo i386-pc-mach3 exit ;; paragon:*:*:*) echo i860-intel-osf1 exit ;; i860:*:4.*:*) # i860-SVR4 if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4 else # Add other i860-SVR4 vendors below as they are discovered. echo i860-unknown-sysv${UNAME_RELEASE} # Unknown i860-SVR4 fi exit ;; mini*:CTIX:SYS*5:*) # "miniframe" echo m68010-convergent-sysv exit ;; mc68k:UNIX:SYSTEM5:3.51m) echo m68k-convergent-sysv exit ;; M680?0:D-NIX:5.3:*) echo m68k-diab-dnix exit ;; M68*:*:R3V[5678]*:*) test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;; 3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0) OS_REL='' test -r /etc/.relid \ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4.3${OS_REL}; exit; } /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*) /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4; exit; } ;; NCR*:*:4.2:* | MPRAS*:*:4.2:*) OS_REL='.3' test -r /etc/.relid \ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4.3${OS_REL}; exit; } /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } /bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*) echo m68k-unknown-lynxos${UNAME_RELEASE} exit ;; mc68030:UNIX_System_V:4.*:*) echo m68k-atari-sysv4 exit ;; TSUNAMI:LynxOS:2.*:*) echo sparc-unknown-lynxos${UNAME_RELEASE} exit ;; rs6000:LynxOS:2.*:*) echo rs6000-unknown-lynxos${UNAME_RELEASE} exit ;; PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*) echo powerpc-unknown-lynxos${UNAME_RELEASE} exit ;; SM[BE]S:UNIX_SV:*:*) echo mips-dde-sysv${UNAME_RELEASE} exit ;; RM*:ReliantUNIX-*:*:*) echo mips-sni-sysv4 exit ;; RM*:SINIX-*:*:*) echo mips-sni-sysv4 exit ;; *:SINIX-*:*:*) if uname -p 2>/dev/null >/dev/null ; then UNAME_MACHINE=`(uname -p) 2>/dev/null` echo ${UNAME_MACHINE}-sni-sysv4 else echo ns32k-sni-sysv fi exit ;; PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort # says echo i586-unisys-sysv4 exit ;; *:UNIX_System_V:4*:FTX*) # From Gerald Hewes . # How about differentiating between stratus architectures? -djm echo hppa1.1-stratus-sysv4 exit ;; *:*:*:FTX*) # From seanf@swdc.stratus.com. echo i860-stratus-sysv4 exit ;; i*86:VOS:*:*) # From Paul.Green@stratus.com. echo ${UNAME_MACHINE}-stratus-vos exit ;; *:VOS:*:*) # From Paul.Green@stratus.com. echo hppa1.1-stratus-vos exit ;; mc68*:A/UX:*:*) echo m68k-apple-aux${UNAME_RELEASE} exit ;; news*:NEWS-OS:6*:*) echo mips-sony-newsos6 exit ;; R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*) if [ -d /usr/nec ]; then echo mips-nec-sysv${UNAME_RELEASE} else echo mips-unknown-sysv${UNAME_RELEASE} fi exit ;; BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only. echo powerpc-be-beos exit ;; 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