work/0000775000000000000000000000000014557012014006727 5ustar work/.gitignore0000664000000000000000000000023714557012014010721 0ustar *~ *.o *.bak TAGS innduct .deps Makefile autom4te.cache config.h config.status config.log .stamp-patched stamp-h stamp-h.in stamp-h1 stamp-h1.in aclocal.m4 work/DEVELOPER-CERTIFICATE0000664000000000000000000000261614557012014011724 0ustar Developer Certificate of Origin Version 1.1 Copyright (C) 2004, 2006 The Linux Foundation and its contributors. 1 Letterman Drive Suite D4700 San Francisco, CA, 94129 Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. Developer's Certificate of Origin 1.1 By making a contribution to this project, I certify that: (a) The contribution was created in whole or in part by me and I have the right to submit it under the open source license indicated in the file; or (b) The contribution is based upon previous work that, to the best of my knowledge, is covered under an appropriate open source license and I have the right under that license to submit that work with modifications, whether created in whole or in part by me, under the same open source license (unless I am permitted to submit under a different license), as indicated in the file; or (c) The contribution was provided directly to me by some other person who certified (a), (b) or (c) and I have not modified it. 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If conditions are imposed on you (whether by court order, agreement or otherwise) that contradict the conditions of this License, they do not excuse you from the conditions of this License. If you cannot convey a covered work so as to satisfy simultaneously your obligations under this License and any other pertinent obligations, then as a consequence you may not convey it at all. For example, if you agree to terms that obligate you to collect a royalty for further conveying from those to whom you convey the Program, the only way you could satisfy both those terms and this License would be to refrain entirely from conveying the Program. 13. Use with the GNU Affero General Public License. Notwithstanding any other provision of this License, you have permission to link or combine any covered work with a work licensed under version 3 of the GNU Affero General Public License into a single combined work, and to convey the resulting work. The terms of this License will continue to apply to the part which is the covered work, but the special requirements of the GNU Affero General Public License, section 13, concerning interaction through a network will apply to the combination as such. 14. Revised Versions of this License. The Free Software Foundation may publish revised and/or new versions of the GNU General Public License from time to time. Such new versions will be similar in spirit to the present version, but may differ in detail to address new problems or concerns. Each version is given a distinguishing version number. If the Program specifies that a certain numbered version of the GNU General Public License "or any later version" applies to it, you have the option of following the terms and conditions either of that numbered version or of any later version published by the Free Software Foundation. If the Program does not specify a version number of the GNU General Public License, you may choose any version ever published by the Free Software Foundation. If the Program specifies that a proxy can decide which future versions of the GNU General Public License can be used, that proxy's public statement of acceptance of a version permanently authorizes you to choose that version for the Program. Later license versions may give you additional or different permissions. However, no additional obligations are imposed on any author or copyright holder as a result of your choosing to follow a later version. 15. Disclaimer of Warranty. THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 16. Limitation of Liability. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. 17. Interpretation of Sections 15 and 16. If the disclaimer of warranty and limitation of liability provided above cannot be given local legal effect according to their terms, reviewing courts shall apply local law that most closely approximates an absolute waiver of all civil liability in connection with the Program, unless a warranty or assumption of liability accompanies a copy of the Program in return for a fee. END OF TERMS AND CONDITIONS How to Apply These Terms to Your New Programs If you develop a new program, and you want it to be of the greatest possible use to the public, the best way to achieve this is to make it free software which everyone can redistribute and change under these terms. To do so, attach the following notices to the program. It is safest to attach them to the start of each source file to most effectively state the exclusion of warranty; and each file should have at least the "copyright" line and a pointer to where the full notice is found. Copyright (C) This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . Also add information on how to contact you by electronic and paper mail. If the program does terminal interaction, make it output a short notice like this when it starts in an interactive mode: Copyright (C) This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details. The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, your program's commands might be different; for a GUI interface, you would use an "about box". You should also get your employer (if you work as a programmer) or school, if any, to sign a "copyright disclaimer" for the program, if necessary. For more information on this, and how to apply and follow the GNU GPL, see . The GNU General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the GNU Lesser General Public License instead of this License. But first, please read . work/LICENCE.txt0000664000000000000000000000657714557012014010551 0ustar innduct - tailing reliable realtime streaming feeder for inn ============================================================ innduct is Copyright 2010,2015,2022,2024 Ian Jackson GPLv3+ ====== innduct is distributed under the terms of the GNU General Public License, version 3 or later (at your option). secnet 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. The file COPYING in the source tree contains a copy of the GNU GPL v3. A copy of this licence can be found on Debian systems (and derivatives) in /usr/share/common-licenses/GPL-3. Some files contain a notice with the abbreviated form: SPDX-License-Identifier: GPL-3.0-or-later As is conventional, this should be read as a licence grant. Contributing ============ Contributions to secnet are accepted based on the git commit Signed-off-by convention, by which the contributors' certify their contributions according to the Developer Certificate of Origin version 1.1 - see the file DEVELOPER-CERTIFICATE. If you create a new file please be sure to add an appropriate licence header. In the main parts of innduct this should be something like: * innduct * tailing reliable realtime streaming feeder for inn * foo.c - example file being added * * Copyright Ian Jackson * and contributors; see LICENCE.txt. * SPDX-License-Identifier: GPL-3.0-or-later Incorporated and related works ============================== The source tree contains a handful of build system related files that aren't part of innduct proper, and have a separate copyright status. And, we link against libraries supplied by INN2. autoconf-aux/* -------------- Used for building, but none of this ends up in the binaries. Manually copied from Debian's automake-1.16 package. Copyright (C) 1992-2018 Free Software Foundation, Inc. Copyright (C) 1994 X Consortium Listed authors: Tom Tromey, Per Bothner, Ben Elliston, Alexandre Oliva, Fran,cois Pinard, Noah Friedman. Licence is GPLv3+; see autoconf-aux/COPYING. Makefile.in, configure ---------------------- Used for building, but none of this ends up in the binaries. Generated by autogen.sh, which copies parts of the system's autoconf and automake into the innduct source tree, combining it with the "source code proper" eg configure.ac. (In the Debian package build, dh will rerun autogen.sh, overwriting the supplied version.) As of January 2024, the versions here are: Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc. Copyright authors and contributors to innduct (see above) Licence of each from the Free Software Foundation is as follows: The Free Software Foundation gives unlimited permission to copy, distribute and modify [this file]. But the overall licence is GPLv3+ since each file also contains GPLv3+ code from innduct's build system. INN2 ---- Nothing from INN2 is included in the innduct source tree. But when you build innduct, you link with libraries from inn2 (currently, statically, since those libraries have no stable ABI). INN2 is under a variety of licences. At the time of writing, MIT, and GPLv2+. 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innduct -q !duct' 36 3 * * * find /var/spool/news/outgoing/ -type f -name '*_backlog_*' -mtime +60 -print0 | xargs -0 rm work/README.states0000664000000000000000000002260414557012014011115 0ustar OVERALL STATES, defining interaction with innd: F refers to the main feed file as written by innd D refers to the flushing file _flushing START | ,-->--. check F, D | | | | | | | | <----------------<---------------------------------'| | | F exists | | | D ENOENT | | | duct opens F | | V | | Normal | | F: innd writing, duct reading | | D: ENOENT | | | | | | duct decides time to flush | | | duct makes hardlink | | | | | V <------------------------'| | Hardlinked F==D | | F == D: innd writing, duct reading both exist | ^ | | | | duct unlinks F | | | <-----------<-------------<--'| | | open D F ENOENT | | | if exists | | | | | V <---------------------. | | Moved | | | F: ENOENT | | | D: innd writing, duct reading; or ENOENT | | | | | | | | duct requests flush of feed | | | | (others can too, harmlessly) | | | V | | | Flushing | | | F: ENOENT | | | D: innd flushing, duct; or ENOENT | | | | | | | | inndcomm flush fails | | | |`-------------------------->------------------' | | | | | | inndcomm reports no such site | | |`---------------------------------------------------- | -. | | | | | | innd finishes writing D, creates F | | | | inndcomm reports flush successful | | | | | | | V | | | Separated <----------------' | | F: innd writing F!=D / | D: duct reading; or ENOENT both exist / | | / | | duct gets to the end of D / | | duct opens F too / | V / | Finishing / | F: innd writing, duct reading | | D: duct finishing V | | Dropping | | duct finishes processing D F: ENOENT | V duct unlinks D D: duct reading | | | `--<--' | duct finishes | processing D | duct unlinks D | duct exits V Dropped F: ENOENT D: ENOENT duct not running "duct reading" means innduct is reading the file but also overwriting processed tokens. We implement this as follows: .=======. ||START|| `=======' | | open F | | F ENOENT |`---------------------------------------------------. F OPEN OK | | |`---------------- - - - | D ENOENT | D EXISTS see OVERALL STATES diagram | | for full startup logic | ,--------->| | | V | | ============ try to | | NORMAL open D | | [Normal] | | main F tail | | ============ V | | | | | F IS SO BIG WE SHOULD FLUSH, OR TIMEOUT | ^ | hardlink F to D | | [Hardlinked] | | | unlink F | | | our handle onto F is now onto D | | [Moved] | | | | | |<-------------------<---------------------<---------+ | | | | | spawn inndcomm flush | | V | | ================== | | FLUSHING[-ABSENT] | | [Flushing] | | main D tail/none | | ================== | | | | | | INNDCOMM FLUSH FAILS ^ | |`----------------------->----------. | | | | | | | NO SUCH SITE V | ^ |`--------------->----. ==================== | | | \ FLUSHFAILED[-ABSENT] | | | \ [Moved] | | | FLUSH OK \ main D tail/none | | | open F \ ==================== | | | \ | | | | \ | TIME TO RETRY | | |`------->----. ,---<---'\ `----------------' | | D NONE | | D NONE `----. | V | | V | ============= V V ============ | SEPARATED-1 | | DROPPING-1 | flsh->rd!=0 | | flsh->rd!=0 | [Separated] | | [Dropping] | main F idle | | main none | flsh D tail | | flsh D tail | ============= | | ============ | | | | install | ^ | EOF ON D | | defer | EOF ON D | V | | V | =============== | | =============== | SEPARATED-2 | | DROPPING-2 | flsh->rd==0 | V flsh->rd==0 | [Finishing] | | [Dropping] | main F tail | `. main none | flsh D closed | `. flsh D closed | =============== V `. =============== | | `. | | | ALL D PROCESSED `. | ALL D PROCESSED | V install defer as backlog `. | install defer ^ | close D `. | close D | | unlink D `. | unlink D | | | | | | V V `----------' ============== DROPPED [Dropped] main none flsh none some backlog ============== | | ALL BACKLOG DONE | | unlink lock | exit V ========== (ESRCH) [Droppped] ========== rune for printing diagrams: a2ps -R -B -ops README.states # part of innduct # tailing reliable realtime streaming feeder for inn # # Copyright Ian Jackson # and contributors; see LICENCE.txt. # SPDX-License-Identifier: GPL-3.0-or-later work/README.statistics0000664000000000000000000000600114557012014011775 0ustar START ===== | ,------------------>|<-----------------------------------------------. | | | | < article has been deferred already > | | no yes | | | | | | | < article exists > | | | yes no | | | | | | | |<---------' | missing++ | | | | | | |offered++ === | |conn | END | |fails; < nocheck mode > | |requeued yes no | |.id/bod/nc / |CHECK/IHAVE | |++ | |offered.ch++ | | | | | | | | | ^^^^^^^^ | | | at | | | any | | | time | ______ < peer response > _________ | | wanted unwanted rejected deferred | | 238/338 438/435 439* 436/431 | | / | | | | |<-------' |unwanted |rejected |deferred | | | .id++ | .id++ | .id++ | < article exists > | | | | no yes === === `-----------> | | | END END | | | | | |TAKETHIS/body | | |sent.ch/.nc++ | | `-------. | | | | | ______ < peer response > _________ | | accepted unwanted rejected deferred | | 239/235 438*/435* 439/437 436/431* | | | | | | | |missing |accepted |unwanted |rejected |deferred | |.bod/nc++ |.bod/nc++ |.bod/nc++ |.bod/nc++ |.bod/nc++ | | | | | | | === === === === `----------' END END END END Response codes are / * indicates response which is forbidden in this context by RFC4644/3977 work/autoconf-aux/0000775000000000000000000000000014557012014011340 5ustar work/autoconf-aux/COPYING0000664000000000000000000010451314557012014012377 0ustar GNU GENERAL PUBLIC LICENSE Version 3, 29 June 2007 Copyright (C) 2007 Free Software Foundation, Inc. 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But first, please read . work/autoconf-aux/compile0000775000000000000000000001632714557012014012727 0ustar #! /bin/sh # Wrapper for compilers which do not understand '-c -o'. scriptversion=2018-03-07.03; # UTC # Copyright (C) 1999-2018 Free Software Foundation, Inc. # Written by Tom Tromey . # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # This file is maintained in Automake, please report # bugs to or send patches to # . nl=' ' # We need space, tab and new line, in precisely that order. Quoting is # there to prevent tools from complaining about whitespace usage. IFS=" "" $nl" file_conv= # func_file_conv build_file lazy # Convert a $build file to $host form and store it in $file # Currently only supports Windows hosts. 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See the GNU # General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, see . # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that # program. This Exception is an additional permission under section 7 # of the GNU General Public License, version 3 ("GPLv3"). # # Originally written by Per Bothner; maintained since 2000 by Ben Elliston. # # You can get the latest version of this script from: # https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess # # Please send patches to . me=`echo "$0" | sed -e 's,.*/,,'` usage="\ Usage: $0 [OPTION] Output the configuration name of the system \`$me' is run on. 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But MiNT is downward compatible to TOS, so this should # be no problem. atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*) echo m68k-atari-mint"$UNAME_RELEASE" exit ;; atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*) echo m68k-atari-mint"$UNAME_RELEASE" exit ;; *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*) echo m68k-atari-mint"$UNAME_RELEASE" exit ;; milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*) echo m68k-milan-mint"$UNAME_RELEASE" exit ;; hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*) echo m68k-hades-mint"$UNAME_RELEASE" exit ;; *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*) echo m68k-unknown-mint"$UNAME_RELEASE" exit ;; m68k:machten:*:*) echo m68k-apple-machten"$UNAME_RELEASE" exit ;; powerpc:machten:*:*) echo powerpc-apple-machten"$UNAME_RELEASE" exit ;; RISC*:Mach:*:*) echo mips-dec-mach_bsd4.3 exit ;; RISC*:ULTRIX:*:*) echo mips-dec-ultrix"$UNAME_RELEASE" exit ;; VAX*:ULTRIX*:*:*) echo vax-dec-ultrix"$UNAME_RELEASE" exit ;; 2020:CLIX:*:* | 2430:CLIX:*:*) echo clipper-intergraph-clix"$UNAME_RELEASE" exit ;; mips:*:*:UMIPS | mips:*:*:RISCos) eval "$set_cc_for_build" sed 's/^ //' << EOF > "$dummy.c" #ifdef __cplusplus #include /* for printf() prototype */ int main (int argc, char *argv[]) { #else int main (argc, argv) int argc; char *argv[]; { #endif #if defined (host_mips) && defined (MIPSEB) #if defined (SYSTYPE_SYSV) printf ("mips-mips-riscos%ssysv\\n", argv[1]); exit (0); #endif #if defined (SYSTYPE_SVR4) printf ("mips-mips-riscos%ssvr4\\n", argv[1]); exit (0); #endif #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD) printf ("mips-mips-riscos%sbsd\\n", argv[1]); exit (0); #endif #endif exit (-1); } EOF $CC_FOR_BUILD -o "$dummy" "$dummy.c" && dummyarg=`echo "$UNAME_RELEASE" | sed -n 's/\([0-9]*\).*/\1/p'` && SYSTEM_NAME=`"$dummy" "$dummyarg"` && { echo "$SYSTEM_NAME"; exit; } echo mips-mips-riscos"$UNAME_RELEASE" exit ;; Motorola:PowerMAX_OS:*:*) echo powerpc-motorola-powermax exit ;; Motorola:*:4.3:PL8-*) echo powerpc-harris-powermax exit ;; Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*) echo powerpc-harris-powermax exit ;; Night_Hawk:Power_UNIX:*:*) echo powerpc-harris-powerunix exit ;; m88k:CX/UX:7*:*) echo m88k-harris-cxux7 exit ;; m88k:*:4*:R4*) echo m88k-motorola-sysv4 exit ;; m88k:*:3*:R3*) echo m88k-motorola-sysv3 exit ;; AViiON:dgux:*:*) # DG/UX returns AViiON for all architectures UNAME_PROCESSOR=`/usr/bin/uname -p` if [ "$UNAME_PROCESSOR" = mc88100 ] || [ "$UNAME_PROCESSOR" = mc88110 ] then if [ "$TARGET_BINARY_INTERFACE"x = m88kdguxelfx ] || \ [ "$TARGET_BINARY_INTERFACE"x = x ] then echo m88k-dg-dgux"$UNAME_RELEASE" else echo m88k-dg-dguxbcs"$UNAME_RELEASE" fi else echo i586-dg-dgux"$UNAME_RELEASE" fi exit ;; M88*:DolphinOS:*:*) # DolphinOS (SVR3) echo m88k-dolphin-sysv3 exit ;; M88*:*:R3*:*) # Delta 88k system running SVR3 echo m88k-motorola-sysv3 exit ;; XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3) echo m88k-tektronix-sysv3 exit ;; Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD) echo m68k-tektronix-bsd exit ;; *:IRIX*:*:*) echo mips-sgi-irix"`echo "$UNAME_RELEASE"|sed -e 's/-/_/g'`" exit ;; ????????:AIX?:[12].1:2) # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX. echo romp-ibm-aix # uname -m gives an 8 hex-code CPU id exit ;; # Note that: echo "'`uname -s`'" gives 'AIX ' i*86:AIX:*:*) echo i386-ibm-aix exit ;; ia64:AIX:*:*) if [ -x /usr/bin/oslevel ] ; then IBM_REV=`/usr/bin/oslevel` else IBM_REV="$UNAME_VERSION.$UNAME_RELEASE" fi echo "$UNAME_MACHINE"-ibm-aix"$IBM_REV" exit ;; *:AIX:2:3) if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then eval "$set_cc_for_build" sed 's/^ //' << EOF > "$dummy.c" #include main() { if (!__power_pc()) exit(1); puts("powerpc-ibm-aix3.2.5"); exit(0); } EOF if $CC_FOR_BUILD -o "$dummy" "$dummy.c" && SYSTEM_NAME=`"$dummy"` then echo "$SYSTEM_NAME" else echo rs6000-ibm-aix3.2.5 fi elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then echo rs6000-ibm-aix3.2.4 else echo rs6000-ibm-aix3.2 fi exit ;; *:AIX:*:[4567]) IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'` if /usr/sbin/lsattr -El "$IBM_CPU_ID" | grep ' POWER' >/dev/null 2>&1; then IBM_ARCH=rs6000 else IBM_ARCH=powerpc fi if [ -x /usr/bin/lslpp ] ; then IBM_REV=`/usr/bin/lslpp -Lqc bos.rte.libc | awk -F: '{ print $3 }' | sed s/[0-9]*$/0/` else IBM_REV="$UNAME_VERSION.$UNAME_RELEASE" fi echo "$IBM_ARCH"-ibm-aix"$IBM_REV" exit ;; *:AIX:*:*) echo rs6000-ibm-aix exit ;; ibmrt:4.4BSD:*|romp-ibm:4.4BSD:*) echo romp-ibm-bsd4.4 exit ;; ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and echo romp-ibm-bsd"$UNAME_RELEASE" # 4.3 with uname added to exit ;; # report: romp-ibm BSD 4.3 *:BOSX:*:*) echo rs6000-bull-bosx exit ;; DPX/2?00:B.O.S.:*:*) echo m68k-bull-sysv3 exit ;; 9000/[34]??:4.3bsd:1.*:*) echo m68k-hp-bsd exit ;; hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*) echo m68k-hp-bsd4.4 exit ;; 9000/[34678]??:HP-UX:*:*) HPUX_REV=`echo "$UNAME_RELEASE"|sed -e 's/[^.]*.[0B]*//'` case "$UNAME_MACHINE" in 9000/31?) HP_ARCH=m68000 ;; 9000/[34]??) HP_ARCH=m68k ;; 9000/[678][0-9][0-9]) if [ -x /usr/bin/getconf ]; then sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` case "$sc_cpu_version" in 523) HP_ARCH=hppa1.0 ;; # CPU_PA_RISC1_0 528) HP_ARCH=hppa1.1 ;; # CPU_PA_RISC1_1 532) # CPU_PA_RISC2_0 case "$sc_kernel_bits" in 32) HP_ARCH=hppa2.0n ;; 64) HP_ARCH=hppa2.0w ;; '') HP_ARCH=hppa2.0 ;; # HP-UX 10.20 esac ;; esac fi if [ "$HP_ARCH" = "" ]; then eval "$set_cc_for_build" sed 's/^ //' << EOF > "$dummy.c" #define _HPUX_SOURCE #include #include int main () { #if defined(_SC_KERNEL_BITS) long bits = sysconf(_SC_KERNEL_BITS); #endif long cpu = sysconf (_SC_CPU_VERSION); switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0"); break; case CPU_PA_RISC1_1: puts ("hppa1.1"); break; case CPU_PA_RISC2_0: #if defined(_SC_KERNEL_BITS) switch (bits) { case 64: puts ("hppa2.0w"); break; case 32: puts ("hppa2.0n"); break; default: puts ("hppa2.0"); break; } break; #else /* !defined(_SC_KERNEL_BITS) */ puts ("hppa2.0"); break; #endif default: puts ("hppa1.0"); break; } exit (0); } EOF (CCOPTS="" $CC_FOR_BUILD -o "$dummy" "$dummy.c" 2>/dev/null) && HP_ARCH=`"$dummy"` test -z "$HP_ARCH" && HP_ARCH=hppa fi ;; esac if [ "$HP_ARCH" = hppa2.0w ] then eval "$set_cc_for_build" # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler # generating 64-bit code. GNU and HP use different nomenclature: # # $ CC_FOR_BUILD=cc ./config.guess # => hppa2.0w-hp-hpux11.23 # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess # => hppa64-hp-hpux11.23 if echo __LP64__ | (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | grep -q __LP64__ then HP_ARCH=hppa2.0w else HP_ARCH=hppa64 fi fi echo "$HP_ARCH"-hp-hpux"$HPUX_REV" exit ;; ia64:HP-UX:*:*) HPUX_REV=`echo "$UNAME_RELEASE"|sed -e 's/[^.]*.[0B]*//'` echo ia64-hp-hpux"$HPUX_REV" exit ;; 3050*:HI-UX:*:*) eval "$set_cc_for_build" sed 's/^ //' << EOF > "$dummy.c" #include int main () { long cpu = sysconf (_SC_CPU_VERSION); /* The order matters, because CPU_IS_HP_MC68K erroneously returns true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct results, however. */ if (CPU_IS_PA_RISC (cpu)) { switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; default: puts ("hppa-hitachi-hiuxwe2"); break; } } else if (CPU_IS_HP_MC68K (cpu)) puts ("m68k-hitachi-hiuxwe2"); else puts ("unknown-hitachi-hiuxwe2"); exit (0); } EOF $CC_FOR_BUILD -o "$dummy" "$dummy.c" && SYSTEM_NAME=`"$dummy"` && { echo "$SYSTEM_NAME"; exit; } echo unknown-hitachi-hiuxwe2 exit ;; 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:*) echo hppa1.1-hp-bsd exit ;; 9000/8??:4.3bsd:*:*) echo hppa1.0-hp-bsd exit ;; *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) echo hppa1.0-hp-mpeix exit ;; hp7??:OSF1:*:* | hp8?[79]:OSF1:*:*) echo hppa1.1-hp-osf exit ;; hp8??:OSF1:*:*) echo hppa1.0-hp-osf exit ;; i*86:OSF1:*:*) if [ -x /usr/sbin/sysversion ] ; then echo "$UNAME_MACHINE"-unknown-osf1mk else echo "$UNAME_MACHINE"-unknown-osf1 fi exit ;; parisc*:Lites*:*:*) echo hppa1.1-hp-lites exit ;; C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) echo c1-convex-bsd exit ;; C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) if getsysinfo -f scalar_acc then echo c32-convex-bsd else echo c2-convex-bsd fi exit ;; C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) echo c34-convex-bsd exit ;; C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) echo c38-convex-bsd exit ;; C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) echo c4-convex-bsd exit ;; CRAY*Y-MP:*:*:*) echo ymp-cray-unicos"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*[A-Z]90:*:*:*) echo "$UNAME_MACHINE"-cray-unicos"$UNAME_RELEASE" \ | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ -e 's/\.[^.]*$/.X/' exit ;; CRAY*TS:*:*:*) echo t90-cray-unicos"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*T3E:*:*:*) echo alphaev5-cray-unicosmk"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*SV1:*:*:*) echo sv1-cray-unicos"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/' exit ;; *:UNICOS/mp:*:*) echo craynv-cray-unicosmp"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/' exit ;; F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) FUJITSU_PROC=`uname -m | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz` FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'` FUJITSU_REL=`echo "$UNAME_RELEASE" | sed -e 's/ /_/'` echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" exit ;; 5000:UNIX_System_V:4.*:*) FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'` FUJITSU_REL=`echo "$UNAME_RELEASE" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/ /_/'` echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" exit ;; i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) echo "$UNAME_MACHINE"-pc-bsdi"$UNAME_RELEASE" exit ;; sparc*:BSD/OS:*:*) echo sparc-unknown-bsdi"$UNAME_RELEASE" exit ;; *:BSD/OS:*:*) echo "$UNAME_MACHINE"-unknown-bsdi"$UNAME_RELEASE" exit ;; *:FreeBSD:*:*) UNAME_PROCESSOR=`/usr/bin/uname -p` case "$UNAME_PROCESSOR" in amd64) UNAME_PROCESSOR=x86_64 ;; i386) UNAME_PROCESSOR=i586 ;; esac echo "$UNAME_PROCESSOR"-unknown-freebsd"`echo "$UNAME_RELEASE"|sed -e 's/[-(].*//'`" exit ;; i*:CYGWIN*:*) echo "$UNAME_MACHINE"-pc-cygwin exit ;; *:MINGW64*:*) echo "$UNAME_MACHINE"-pc-mingw64 exit ;; *:MINGW*:*) echo "$UNAME_MACHINE"-pc-mingw32 exit ;; *:MSYS*:*) echo "$UNAME_MACHINE"-pc-msys exit ;; i*:PW*:*) echo "$UNAME_MACHINE"-pc-pw32 exit ;; *:Interix*:*) case "$UNAME_MACHINE" in x86) echo i586-pc-interix"$UNAME_RELEASE" exit ;; authenticamd | genuineintel | EM64T) echo x86_64-unknown-interix"$UNAME_RELEASE" exit ;; IA64) echo ia64-unknown-interix"$UNAME_RELEASE" exit ;; esac ;; i*:UWIN*:*) echo "$UNAME_MACHINE"-pc-uwin exit ;; amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*) echo x86_64-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,[-/].*$,,'`-unknown-$LIBC`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 "[:upper:]" "[:lower:]"``echo "$UNAME_RELEASE"|sed -e 's/[-(].*//'`-$LIBC" exit ;; i*86:Minix:*:*) echo "$UNAME_MACHINE"-pc-minix exit ;; aarch64:Linux:*:*) echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" exit ;; aarch64_be:Linux:*:*) UNAME_MACHINE=aarch64_be echo "$UNAME_MACHINE"-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-"$LIBC" exit ;; arc:Linux:*:* | arceb:Linux:*:*) echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" exit ;; arm*:Linux:*:*) eval "$set_cc_for_build" if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_EABI__ then echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" else if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_PCS_VFP then echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"eabi else echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"eabihf fi fi exit ;; avr32*:Linux:*:*) echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" exit ;; cris:Linux:*:*) echo "$UNAME_MACHINE"-axis-linux-"$LIBC" exit ;; crisv32:Linux:*:*) echo "$UNAME_MACHINE"-axis-linux-"$LIBC" exit ;; e2k:Linux:*:*) echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" exit ;; frv:Linux:*:*) echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" exit ;; hexagon:Linux:*:*) echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" exit ;; i*86:Linux:*:*) echo "$UNAME_MACHINE"-pc-linux-"$LIBC" exit ;; ia64:Linux:*:*) echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" exit ;; k1om:Linux:*:*) echo "$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 "$dummy.c" 2>/dev/null | grep '^CPU'`" test "x$CPU" != x && { echo "$CPU-unknown-linux-$LIBC"; exit; } ;; mips64el:Linux:*:*) echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" exit ;; openrisc*:Linux:*:*) echo or1k-unknown-linux-"$LIBC" exit ;; or32:Linux:*:* | or1k*:Linux:*:*) echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" exit ;; padre:Linux:*:*) echo sparc-unknown-linux-"$LIBC" exit ;; parisc64:Linux:*:* | hppa64:Linux:*:*) echo hppa64-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 ;; ppc64:Linux:*:*) echo powerpc64-unknown-linux-"$LIBC" exit ;; ppc:Linux:*:*) echo powerpc-unknown-linux-"$LIBC" exit ;; ppc64le:Linux:*:*) echo powerpc64le-unknown-linux-"$LIBC" exit ;; ppcle:Linux:*:*) echo powerpcle-unknown-linux-"$LIBC" exit ;; riscv32:Linux:*:* | riscv64:Linux:*:*) echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" exit ;; s390:Linux:*:* | s390x:Linux:*:*) echo "$UNAME_MACHINE"-ibm-linux-"$LIBC" 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 ;; tile*:Linux:*:*) echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" exit ;; vax:Linux:*:*) echo "$UNAME_MACHINE"-dec-linux-"$LIBC" exit ;; x86_64:Linux:*:*) if objdump -f /bin/sh | grep -q elf32-x86-64; then echo "$UNAME_MACHINE"-pc-linux-"$LIBC"x32 else echo "$UNAME_MACHINE"-pc-linux-"$LIBC" fi exit ;; xtensa*:Linux:*:*) echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" 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.*:*) 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 "$UNAME_MACHINE"-pc-sysv32 fi exit ;; pc:*:*:*) # Left here for compatibility: # uname -m prints for DJGPP always 'pc', but it prints nothing about # the processor, so we play safe by assuming i586. # Note: whatever this is, it MUST be the same as what config.sub # prints for the "djgpp" host, or else GDB configure will decide that # this is a cross-build. echo i586-pc-msdosdjgpp exit ;; Intel:Mach:3*:*) echo i386-pc-mach3 exit ;; paragon:*:*:*) echo i860-intel-osf1 exit ;; i860:*:4.*:*) # i860-SVR4 if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then echo i860-stardent-sysv"$UNAME_RELEASE" # Stardent Vistra i860-SVR4 else # Add other i860-SVR4 vendors below as they are discovered. echo i860-unknown-sysv"$UNAME_RELEASE" # Unknown i860-SVR4 fi exit ;; mini*:CTIX:SYS*5:*) # "miniframe" echo m68010-convergent-sysv exit ;; mc68k:UNIX:SYSTEM5:3.51m) echo m68k-convergent-sysv exit ;; M680?0:D-NIX:5.3:*) echo m68k-diab-dnix exit ;; M68*:*:R3V[5678]*:*) test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;; 3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0) OS_REL='' test -r /etc/.relid \ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4.3"$OS_REL"; exit; } /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } ;; 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*) /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4; exit; } ;; NCR*:*:4.2:* | MPRAS*:*:4.2:*) OS_REL='.3' test -r /etc/.relid \ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4.3"$OS_REL"; exit; } /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } /bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \ && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } ;; m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*) echo m68k-unknown-lynxos"$UNAME_RELEASE" exit ;; mc68030:UNIX_System_V:4.*:*) echo m68k-atari-sysv4 exit ;; TSUNAMI:LynxOS:2.*:*) echo sparc-unknown-lynxos"$UNAME_RELEASE" exit ;; rs6000:LynxOS:2.*:*) echo rs6000-unknown-lynxos"$UNAME_RELEASE" exit ;; PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*) echo powerpc-unknown-lynxos"$UNAME_RELEASE" exit ;; SM[BE]S:UNIX_SV:*:*) echo mips-dde-sysv"$UNAME_RELEASE" exit ;; RM*:ReliantUNIX-*:*:*) echo mips-sni-sysv4 exit ;; RM*:SINIX-*:*:*) echo mips-sni-sysv4 exit ;; *:SINIX-*:*:*) if uname -p 2>/dev/null >/dev/null ; then UNAME_MACHINE=`(uname -p) 2>/dev/null` echo "$UNAME_MACHINE"-sni-sysv4 else echo ns32k-sni-sysv fi exit ;; PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort # says echo i586-unisys-sysv4 exit ;; *:UNIX_System_V:4*:FTX*) # From Gerald Hewes . # How about differentiating between stratus architectures? -djm echo hppa1.1-stratus-sysv4 exit ;; *:*:*:FTX*) # From seanf@swdc.stratus.com. echo i860-stratus-sysv4 exit ;; i*86:VOS:*:*) # From Paul.Green@stratus.com. echo "$UNAME_MACHINE"-stratus-vos exit ;; *:VOS:*:*) # From Paul.Green@stratus.com. echo hppa1.1-stratus-vos exit ;; mc68*:A/UX:*:*) echo m68k-apple-aux"$UNAME_RELEASE" exit ;; news*:NEWS-OS:6*:*) echo mips-sony-newsos6 exit ;; R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*) if [ -d /usr/nec ]; then echo mips-nec-sysv"$UNAME_RELEASE" else echo mips-unknown-sysv"$UNAME_RELEASE" fi exit ;; BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only. echo powerpc-be-beos exit ;; BeMac:BeOS:*:*) # BeOS running on Mac or Mac clone, PPC only. echo powerpc-apple-beos exit ;; BePC:BeOS:*:*) # BeOS running on Intel PC compatible. echo i586-pc-beos exit ;; BePC:Haiku:*:*) # Haiku running on Intel PC compatible. echo i586-pc-haiku exit ;; x86_64:Haiku:*:*) echo x86_64-unknown-haiku exit ;; SX-4:SUPER-UX:*:*) echo sx4-nec-superux"$UNAME_RELEASE" exit ;; SX-5:SUPER-UX:*:*) echo sx5-nec-superux"$UNAME_RELEASE" exit ;; SX-6:SUPER-UX:*:*) echo sx6-nec-superux"$UNAME_RELEASE" exit ;; SX-7:SUPER-UX:*:*) echo sx7-nec-superux"$UNAME_RELEASE" exit ;; SX-8:SUPER-UX:*:*) echo sx8-nec-superux"$UNAME_RELEASE" exit ;; SX-8R:SUPER-UX:*:*) echo sx8r-nec-superux"$UNAME_RELEASE" exit ;; SX-ACE:SUPER-UX:*:*) echo sxace-nec-superux"$UNAME_RELEASE" exit ;; Power*:Rhapsody:*:*) echo powerpc-apple-rhapsody"$UNAME_RELEASE" exit ;; *:Rhapsody:*:*) echo "$UNAME_MACHINE"-apple-rhapsody"$UNAME_RELEASE" exit ;; *:Darwin:*:*) UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown eval "$set_cc_for_build" if test "$UNAME_PROCESSOR" = unknown ; then UNAME_PROCESSOR=powerpc fi if test "`echo "$UNAME_RELEASE" | sed -e 's/\..*//'`" -le 10 ; then if [ "$CC_FOR_BUILD" != no_compiler_found ]; then if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \ (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \ grep IS_64BIT_ARCH >/dev/null then case $UNAME_PROCESSOR in i386) UNAME_PROCESSOR=x86_64 ;; powerpc) UNAME_PROCESSOR=powerpc64 ;; esac fi # On 10.4-10.6 one might compile for PowerPC via gcc -arch ppc if (echo '#ifdef __POWERPC__'; echo IS_PPC; echo '#endif') | \ (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \ grep IS_PPC >/dev/null then UNAME_PROCESSOR=powerpc fi fi elif test "$UNAME_PROCESSOR" = i386 ; then # Avoid executing cc on OS X 10.9, as it ships with a stub # that puts up a graphical alert prompting to install # developer tools. Any system running Mac OS X 10.7 or # later (Darwin 11 and later) is required to have a 64-bit # processor. This is not true of the ARM version of Darwin # that Apple uses in portable devices. UNAME_PROCESSOR=x86_64 fi echo "$UNAME_PROCESSOR"-apple-darwin"$UNAME_RELEASE" exit ;; *:procnto*:*:* | *:QNX:[0123456789]*:*) UNAME_PROCESSOR=`uname -p` if test "$UNAME_PROCESSOR" = x86; then UNAME_PROCESSOR=i386 UNAME_MACHINE=pc fi echo "$UNAME_PROCESSOR"-"$UNAME_MACHINE"-nto-qnx"$UNAME_RELEASE" exit ;; *:QNX:*:4*) echo i386-pc-qnx exit ;; NEO-*:NONSTOP_KERNEL:*:*) echo neo-tandem-nsk"$UNAME_RELEASE" exit ;; NSE-*:NONSTOP_KERNEL:*:*) echo nse-tandem-nsk"$UNAME_RELEASE" exit ;; NSR-*:NONSTOP_KERNEL:*:*) echo nsr-tandem-nsk"$UNAME_RELEASE" exit ;; NSV-*:NONSTOP_KERNEL:*:*) echo nsv-tandem-nsk"$UNAME_RELEASE" exit ;; NSX-*:NONSTOP_KERNEL:*:*) echo nsx-tandem-nsk"$UNAME_RELEASE" exit ;; *:NonStop-UX:*:*) echo mips-compaq-nonstopux exit ;; BS2000:POSIX*:*:*) echo bs2000-siemens-sysv exit ;; DS/*:UNIX_System_V:*:*) echo "$UNAME_MACHINE"-"$UNAME_SYSTEM"-"$UNAME_RELEASE" exit ;; *:Plan9:*:*) # "uname -m" is not consistent, so use $cputype instead. 386 # is converted to i386 for consistency with other x86 # operating systems. if test "$cputype" = 386; then UNAME_MACHINE=i386 else UNAME_MACHINE="$cputype" fi echo "$UNAME_MACHINE"-unknown-plan9 exit ;; *:TOPS-10:*:*) echo pdp10-unknown-tops10 exit ;; *:TENEX:*:*) echo pdp10-unknown-tenex exit ;; KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*) echo pdp10-dec-tops20 exit ;; XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*) echo pdp10-xkl-tops20 exit ;; *:TOPS-20:*:*) echo pdp10-unknown-tops20 exit ;; *:ITS:*:*) echo pdp10-unknown-its exit ;; SEI:*:*:SEIUX) echo mips-sei-seiux"$UNAME_RELEASE" exit ;; *:DragonFly:*:*) echo "$UNAME_MACHINE"-unknown-dragonfly"`echo "$UNAME_RELEASE"|sed -e 's/[-(].*//'`" exit ;; *:*VMS:*:*) UNAME_MACHINE=`(uname -p) 2>/dev/null` case "$UNAME_MACHINE" in A*) echo alpha-dec-vms ; exit ;; I*) echo ia64-dec-vms ; exit ;; V*) echo vax-dec-vms ; exit ;; esac ;; *:XENIX:*:SysV) echo i386-pc-xenix exit ;; i*86:skyos:*:*) echo "$UNAME_MACHINE"-pc-skyos"`echo "$UNAME_RELEASE" | sed -e 's/ .*$//'`" exit ;; i*86:rdos:*:*) echo "$UNAME_MACHINE"-pc-rdos exit ;; i*86:AROS:*:*) echo "$UNAME_MACHINE"-pc-aros exit ;; x86_64:VMkernel:*:*) echo "$UNAME_MACHINE"-unknown-esx exit ;; amd64:Isilon\ OneFS:*:*) echo x86_64-unknown-onefs exit ;; esac echo "$0: unable to guess system type" >&2 case "$UNAME_MACHINE:$UNAME_SYSTEM" in mips:Linux | mips64:Linux) # If we got here on MIPS GNU/Linux, output extra information. cat >&2 <&2 </dev/null || echo unknown` uname -r = `(uname -r) 2>/dev/null || echo unknown` uname -s = `(uname -s) 2>/dev/null || echo unknown` uname -v = `(uname -v) 2>/dev/null || echo unknown` /usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null` /bin/uname -X = `(/bin/uname -X) 2>/dev/null` hostinfo = `(hostinfo) 2>/dev/null` /bin/universe = `(/bin/universe) 2>/dev/null` /usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null` /bin/arch = `(/bin/arch) 2>/dev/null` /usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null` /usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null` UNAME_MACHINE = "$UNAME_MACHINE" UNAME_RELEASE = "$UNAME_RELEASE" UNAME_SYSTEM = "$UNAME_SYSTEM" UNAME_VERSION = "$UNAME_VERSION" EOF exit 1 # Local variables: # eval: (add-hook 'write-file-functions 'time-stamp) # time-stamp-start: "timestamp='" # time-stamp-format: "%:y-%02m-%02d" # time-stamp-end: "'" # End: work/autoconf-aux/config.sub0000775000000000000000000010645014557012014013331 0ustar #! /bin/sh # Configuration validation subroutine script. # Copyright 1992-2018 Free Software Foundation, Inc. timestamp='2018-02-22' # 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 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, see . # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that # program. This Exception is an additional permission under section 7 # of the GNU General Public License, version 3 ("GPLv3"). # Please send patches to . # # 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: # https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub # 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: $0 [OPTION] CPU-MFR-OPSYS or ALIAS Canonicalize a configuration name. Options: -h, --help print this help, then exit -t, --time-stamp print date of last modification, then exit -v, --version print version number, then exit Report bugs and patches to ." version="\ GNU config.sub ($timestamp) Copyright 1992-2018 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." help=" Try \`$me --help' for more information." # Parse command line while test $# -gt 0 ; do case $1 in --time-stamp | --time* | -t ) echo "$timestamp" ; exit ;; --version | -v ) echo "$version" ; exit ;; --help | --h* | -h ) echo "$usage"; exit ;; -- ) # Stop option processing shift; break ;; - ) # Use stdin as input. break ;; -* ) echo "$me: invalid option $1$help" exit 1 ;; *local*) # First pass through any local machine types. echo "$1" exit ;; * ) break ;; esac done case $# in 0) echo "$me: missing argument$help" >&2 exit 1;; 1) ;; *) echo "$me: too many arguments$help" >&2 exit 1;; esac # Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any). # Here we must recognize all the valid KERNEL-OS combinations. maybe_os=`echo "$1" | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'` case $maybe_os in nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \ linux-musl* | linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \ knetbsd*-gnu* | netbsd*-gnu* | netbsd*-eabi* | \ kopensolaris*-gnu* | cloudabi*-eabi* | \ storm-chaos* | os2-emx* | rtmk-nova*) os=-$maybe_os basic_machine=`echo "$1" | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'` ;; android-linux) os=-linux-android basic_machine=`echo "$1" | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`-unknown ;; *) basic_machine=`echo "$1" | sed 's/-[^-]*$//'` if [ "$basic_machine" != "$1" ] then os=`echo "$1" | sed 's/.*-/-/'` else os=; fi ;; esac ### Let's recognize common machines as not being operating systems so ### that things like config.sub decstation-3100 work. We also ### recognize some manufacturers as not being operating systems, so we ### can provide default operating systems below. case $os in -sun*os*) # Prevent following clause from handling this invalid input. ;; -dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \ -att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \ -unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \ -convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\ -c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \ -harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \ -apple | -axis | -knuth | -cray | -microblaze*) os= basic_machine=$1 ;; -bluegene*) os=-cnk ;; -sim | -cisco | -oki | -wec | -winbond) os= basic_machine=$1 ;; -scout) ;; -wrs) os=-vxworks basic_machine=$1 ;; -chorusos*) os=-chorusos basic_machine=$1 ;; -chorusrdb) os=-chorusrdb basic_machine=$1 ;; -hiux*) os=-hiuxwe2 ;; -sco6) os=-sco5v6 basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'` ;; -sco5) os=-sco3.2v5 basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'` ;; -sco4) os=-sco3.2v4 basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'` ;; -sco3.2.[4-9]*) os=`echo $os | sed -e 's/sco3.2./sco3.2v/'` basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'` ;; -sco3.2v[4-9]*) # Don't forget version if it is 3.2v4 or newer. basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'` ;; -sco5v6*) # Don't forget version if it is 3.2v4 or newer. basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'` ;; -sco*) os=-sco3.2v2 basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'` ;; -udk*) basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'` ;; -isc) os=-isc2.2 basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'` ;; -clix*) basic_machine=clipper-intergraph ;; -isc*) basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'` ;; -lynx*178) os=-lynxos178 ;; -lynx*5) os=-lynxos5 ;; -lynx*) os=-lynxos ;; -ptx*) basic_machine=`echo "$1" | sed -e 's/86-.*/86-sequent/'` ;; -psos*) os=-psos ;; -mint | -mint[0-9]*) basic_machine=m68k-atari os=-mint ;; esac # Decode aliases for certain CPU-COMPANY combinations. case $basic_machine in # Recognize the basic CPU types without company name. # Some are omitted here because they have special meanings below. 1750a | 580 \ | a29k \ | aarch64 | aarch64_be \ | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \ | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \ | am33_2.0 \ | arc | arceb \ | arm | arm[bl]e | arme[lb] | armv[2-8] | armv[3-8][lb] | armv7[arm] \ | avr | avr32 \ | ba \ | be32 | be64 \ | bfin \ | c4x | c8051 | clipper \ | d10v | d30v | dlx | dsp16xx \ | e2k | epiphany \ | fido | fr30 | frv | ft32 \ | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \ | hexagon \ | i370 | i860 | i960 | ia16 | ia64 \ | ip2k | iq2000 \ | k1om \ | le32 | le64 \ | lm32 \ | m32c | m32r | m32rle | m68000 | m68k | m88k \ | maxq | mb | microblaze | microblazeel | 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 \ | mipsisa32r6 | mipsisa32r6el \ | mipsisa64 | mipsisa64el \ | mipsisa64r2 | mipsisa64r2el \ | mipsisa64r6 | mipsisa64r6el \ | mipsisa64sb1 | mipsisa64sb1el \ | mipsisa64sr71k | mipsisa64sr71kel \ | mipsr5900 | mipsr5900el \ | mipstx39 | mipstx39el \ | mn10200 | mn10300 \ | moxie \ | mt \ | msp430 \ | nds32 | nds32le | nds32be \ | nios | nios2 | nios2eb | nios2el \ | ns16k | ns32k \ | open8 | or1k | or1knd | or32 \ | pdp10 | pj | pjl \ | powerpc | powerpc64 | powerpc64le | powerpcle \ | pru \ | pyramid \ | riscv32 | riscv64 \ | rl78 | rx \ | score \ | sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[234]eb | sheb | shbe | shle | sh[1234]le | sh3ele \ | sh64 | sh64le \ | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \ | sparcv8 | sparcv9 | sparcv9b | sparcv9v \ | spu \ | tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \ | ubicom32 \ | v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \ | visium \ | wasm32 \ | x86 | xc16x | xstormy16 | xtensa \ | z8k | z80) basic_machine=$basic_machine-unknown ;; c54x) basic_machine=tic54x-unknown ;; c55x) basic_machine=tic55x-unknown ;; c6x) basic_machine=tic6x-unknown ;; leon|leon[3-9]) basic_machine=sparc-$basic_machine ;; m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x | nvptx | picochip) basic_machine=$basic_machine-unknown os=-none ;; m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65) ;; ms1) basic_machine=mt-unknown ;; strongarm | thumb | xscale) basic_machine=arm-unknown ;; xgate) basic_machine=$basic_machine-unknown os=-none ;; xscaleeb) basic_machine=armeb-unknown ;; xscaleel) basic_machine=armel-unknown ;; # We use `pc' rather than `unknown' # because (1) that's what they normally are, and # (2) the word "unknown" tends to confuse beginning users. i*86 | x86_64) basic_machine=$basic_machine-pc ;; # Object if more than one company name word. *-*-*) echo Invalid configuration \`"$1"\': machine \`"$basic_machine"\' not recognized 1>&2 exit 1 ;; # Recognize the basic CPU types with company name. 580-* \ | a29k-* \ | aarch64-* | aarch64_be-* \ | alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \ | alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \ | alphapca5[67]-* | alpha64pca5[67]-* | arc-* | arceb-* \ | arm-* | armbe-* | armle-* | armeb-* | armv*-* \ | avr-* | avr32-* \ | ba-* \ | be32-* | be64-* \ | bfin-* | bs2000-* \ | c[123]* | c30-* | [cjt]90-* | c4x-* \ | c8051-* | clipper-* | craynv-* | cydra-* \ | d10v-* | d30v-* | dlx-* \ | e2k-* | elxsi-* \ | f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \ | h8300-* | h8500-* \ | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \ | hexagon-* \ | i*86-* | i860-* | i960-* | ia16-* | ia64-* \ | ip2k-* | iq2000-* \ | k1om-* \ | le32-* | le64-* \ | lm32-* \ | m32c-* | m32r-* | m32rle-* \ | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \ | m88110-* | m88k-* | maxq-* | mcore-* | metag-* \ | microblaze-* | microblazeel-* \ | 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-* \ | mipsisa32r6-* | mipsisa32r6el-* \ | mipsisa64-* | mipsisa64el-* \ | mipsisa64r2-* | mipsisa64r2el-* \ | mipsisa64r6-* | mipsisa64r6el-* \ | mipsisa64sb1-* | mipsisa64sb1el-* \ | mipsisa64sr71k-* | mipsisa64sr71kel-* \ | mipsr5900-* | mipsr5900el-* \ | mipstx39-* | mipstx39el-* \ | mmix-* \ | mt-* \ | msp430-* \ | nds32-* | nds32le-* | nds32be-* \ | nios-* | nios2-* | nios2eb-* | nios2el-* \ | none-* | np1-* | ns16k-* | ns32k-* \ | open8-* \ | or1k*-* \ | orion-* \ | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \ | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \ | pru-* \ | pyramid-* \ | riscv32-* | riscv64-* \ | rl78-* | romp-* | rs6000-* | rx-* \ | sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \ | shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \ | sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \ | sparclite-* \ | sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx*-* \ | tahoe-* \ | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \ | tile*-* \ | tron-* \ | ubicom32-* \ | v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \ | vax-* \ | visium-* \ | wasm32-* \ | we32k-* \ | x86-* | x86_64-* | xc16x-* | xps100-* \ | xstormy16-* | xtensa*-* \ | ymp-* \ | z8k-* | z80-*) ;; # Recognize the basic CPU types without company name, with glob match. xtensa*) basic_machine=$basic_machine-unknown ;; # Recognize the various machine names and aliases which stand # for a CPU type and a company and sometimes even an OS. 386bsd) basic_machine=i386-pc os=-bsd ;; 3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc) basic_machine=m68000-att ;; 3b*) basic_machine=we32k-att ;; a29khif) basic_machine=a29k-amd os=-udi ;; abacus) basic_machine=abacus-unknown ;; adobe68k) basic_machine=m68010-adobe os=-scout ;; alliant | fx80) basic_machine=fx80-alliant ;; altos | altos3068) basic_machine=m68k-altos ;; am29k) basic_machine=a29k-none os=-bsd ;; amd64) basic_machine=x86_64-pc ;; amd64-*) basic_machine=x86_64-`echo "$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 ;; asmjs) basic_machine=asmjs-unknown ;; aux) basic_machine=m68k-apple os=-aux ;; balance) basic_machine=ns32k-sequent os=-dynix ;; blackfin) basic_machine=bfin-unknown os=-linux ;; blackfin-*) basic_machine=bfin-`echo "$basic_machine" | sed 's/^[^-]*-//'` os=-linux ;; bluegene*) basic_machine=powerpc-ibm os=-cnk ;; c54x-*) basic_machine=tic54x-`echo "$basic_machine" | sed 's/^[^-]*-//'` ;; c55x-*) basic_machine=tic55x-`echo "$basic_machine" | sed 's/^[^-]*-//'` ;; c6x-*) basic_machine=tic6x-`echo "$basic_machine" | sed 's/^[^-]*-//'` ;; c90) basic_machine=c90-cray os=-unicos ;; cegcc) basic_machine=arm-unknown os=-cegcc ;; convex-c1) basic_machine=c1-convex os=-bsd ;; convex-c2) basic_machine=c2-convex os=-bsd ;; convex-c32) basic_machine=c32-convex os=-bsd ;; convex-c34) basic_machine=c34-convex os=-bsd ;; convex-c38) basic_machine=c38-convex os=-bsd ;; cray | j90) basic_machine=j90-cray os=-unicos ;; craynv) basic_machine=craynv-cray os=-unicosmp ;; cr16 | cr16-*) basic_machine=cr16-unknown os=-elf ;; crds | unos) basic_machine=m68k-crds ;; crisv32 | crisv32-* | etraxfs*) basic_machine=crisv32-axis ;; cris | cris-* | etrax*) basic_machine=cris-axis ;; crx) basic_machine=crx-unknown os=-elf ;; da30 | da30-*) basic_machine=m68k-da30 ;; decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn) basic_machine=mips-dec ;; decsystem10* | dec10*) basic_machine=pdp10-dec os=-tops10 ;; decsystem20* | dec20*) basic_machine=pdp10-dec os=-tops20 ;; delta | 3300 | motorola-3300 | motorola-delta \ | 3300-motorola | delta-motorola) basic_machine=m68k-motorola ;; delta88) basic_machine=m88k-motorola os=-sysv3 ;; dicos) basic_machine=i686-pc os=-dicos ;; djgpp) basic_machine=i586-pc os=-msdosdjgpp ;; dpx20 | dpx20-*) basic_machine=rs6000-bull os=-bosx ;; dpx2*) basic_machine=m68k-bull os=-sysv3 ;; e500v[12]) basic_machine=powerpc-unknown os=$os"spe" ;; e500v[12]-*) basic_machine=powerpc-`echo "$basic_machine" | sed 's/^[^-]*-//'` os=$os"spe" ;; 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 ;; hppaosf) basic_machine=hppa1.1-hp os=-osf ;; hppro) basic_machine=hppa1.1-hp os=-proelf ;; i370-ibm* | ibm*) basic_machine=i370-ibm ;; i*86v32) basic_machine=`echo "$1" | sed -e 's/86.*/86-pc/'` os=-sysv32 ;; i*86v4*) basic_machine=`echo "$1" | sed -e 's/86.*/86-pc/'` os=-sysv4 ;; i*86v) basic_machine=`echo "$1" | sed -e 's/86.*/86-pc/'` os=-sysv ;; i*86sol2) basic_machine=`echo "$1" | sed -e 's/86.*/86-pc/'` os=-solaris2 ;; i386mach) basic_machine=i386-mach os=-mach ;; vsta) basic_machine=i386-unknown os=-vsta ;; iris | iris4d) basic_machine=mips-sgi case $os in -irix*) ;; *) os=-irix4 ;; esac ;; isi68 | isi) basic_machine=m68k-isi os=-sysv ;; leon-*|leon[3-9]-*) basic_machine=sparc-`echo "$basic_machine" | sed 's/-.*//'` ;; m68knommu) basic_machine=m68k-unknown os=-linux ;; m68knommu-*) basic_machine=m68k-`echo "$basic_machine" | sed 's/^[^-]*-//'` os=-linux ;; magnum | m3230) basic_machine=mips-mips os=-sysv ;; merlin) basic_machine=ns32k-utek os=-sysv ;; microblaze*) basic_machine=microblaze-xilinx ;; mingw64) basic_machine=x86_64-pc os=-mingw64 ;; mingw32) basic_machine=i686-pc os=-mingw32 ;; mingw32ce) basic_machine=arm-unknown os=-mingw32ce ;; miniframe) basic_machine=m68000-convergent ;; *mint | -mint[0-9]* | *MiNT | *MiNT[0-9]*) basic_machine=m68k-atari os=-mint ;; mips3*-*) basic_machine=`echo "$basic_machine" | sed -e 's/mips3/mips64/'` ;; mips3*) basic_machine=`echo "$basic_machine" | sed -e 's/mips3/mips64/'`-unknown ;; monitor) basic_machine=m68k-rom68k os=-coff ;; morphos) basic_machine=powerpc-unknown os=-morphos ;; moxiebox) basic_machine=moxie-unknown os=-moxiebox ;; msdos) basic_machine=i386-pc os=-msdos ;; ms1-*) basic_machine=`echo "$basic_machine" | sed -e 's/ms1-/mt-/'` ;; msys) basic_machine=i686-pc os=-msys ;; mvs) basic_machine=i370-ibm os=-mvs ;; nacl) basic_machine=le32-unknown os=-nacl ;; ncr3000) basic_machine=i486-ncr os=-sysv4 ;; netbsd386) basic_machine=i386-unknown os=-netbsd ;; netwinder) basic_machine=armv4l-rebel os=-linux ;; news | news700 | news800 | news900) basic_machine=m68k-sony os=-newsos ;; news1000) basic_machine=m68030-sony os=-newsos ;; news-3600 | risc-news) basic_machine=mips-sony os=-newsos ;; necv70) basic_machine=v70-nec os=-sysv ;; next | m*-next) basic_machine=m68k-next case $os in -nextstep* ) ;; -ns2*) os=-nextstep2 ;; *) os=-nextstep3 ;; esac ;; nh3000) basic_machine=m68k-harris os=-cxux ;; nh[45]000) basic_machine=m88k-harris os=-cxux ;; nindy960) basic_machine=i960-intel os=-nindy ;; mon960) basic_machine=i960-intel os=-mon960 ;; nonstopux) basic_machine=mips-compaq os=-nonstopux ;; np1) basic_machine=np1-gould ;; neo-tandem) basic_machine=neo-tandem ;; nse-tandem) basic_machine=nse-tandem ;; nsr-tandem) basic_machine=nsr-tandem ;; nsv-tandem) basic_machine=nsv-tandem ;; nsx-tandem) basic_machine=nsx-tandem ;; op50n-* | op60c-*) basic_machine=hppa1.1-oki os=-proelf ;; openrisc | openrisc-*) basic_machine=or32-unknown ;; os400) basic_machine=powerpc-ibm os=-os400 ;; OSE68000 | ose68000) basic_machine=m68000-ericsson os=-ose ;; os68k) basic_machine=m68k-none os=-os68k ;; pa-hitachi) basic_machine=hppa1.1-hitachi os=-hiuxwe2 ;; paragon) basic_machine=i860-intel os=-osf ;; parisc) basic_machine=hppa-unknown os=-linux ;; parisc-*) basic_machine=hppa-`echo "$basic_machine" | sed 's/^[^-]*-//'` os=-linux ;; pbd) basic_machine=sparc-tti ;; pbb) basic_machine=m68k-tti ;; pc532 | pc532-*) basic_machine=ns32k-pc532 ;; pc98) basic_machine=i386-pc ;; pc98-*) basic_machine=i386-`echo "$basic_machine" | sed 's/^[^-]*-//'` ;; pentium | p5 | k5 | k6 | nexgen | viac3) basic_machine=i586-pc ;; pentiumpro | p6 | 6x86 | athlon | athlon_*) basic_machine=i686-pc ;; pentiumii | pentium2 | pentiumiii | pentium3) basic_machine=i686-pc ;; pentium4) basic_machine=i786-pc ;; pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*) basic_machine=i586-`echo "$basic_machine" | sed 's/^[^-]*-//'` ;; pentiumpro-* | p6-* | 6x86-* | athlon-*) basic_machine=i686-`echo "$basic_machine" | sed 's/^[^-]*-//'` ;; pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*) basic_machine=i686-`echo "$basic_machine" | sed 's/^[^-]*-//'` ;; pentium4-*) basic_machine=i786-`echo "$basic_machine" | sed 's/^[^-]*-//'` ;; pn) basic_machine=pn-gould ;; power) basic_machine=power-ibm ;; ppc | ppcbe) basic_machine=powerpc-unknown ;; ppc-* | ppcbe-*) basic_machine=powerpc-`echo "$basic_machine" | sed 's/^[^-]*-//'` ;; ppcle | powerpclittle) basic_machine=powerpcle-unknown ;; ppcle-* | powerpclittle-*) basic_machine=powerpcle-`echo "$basic_machine" | sed 's/^[^-]*-//'` ;; ppc64) basic_machine=powerpc64-unknown ;; ppc64-*) basic_machine=powerpc64-`echo "$basic_machine" | sed 's/^[^-]*-//'` ;; ppc64le | powerpc64little) basic_machine=powerpc64le-unknown ;; ppc64le-* | powerpc64little-*) basic_machine=powerpc64le-`echo "$basic_machine" | sed 's/^[^-]*-//'` ;; ps2) basic_machine=i386-ibm ;; pw32) basic_machine=i586-unknown os=-pw32 ;; rdos | rdos64) basic_machine=x86_64-pc os=-rdos ;; rdos32) basic_machine=i386-pc os=-rdos ;; rom68k) basic_machine=m68k-rom68k os=-coff ;; rm[46]00) basic_machine=mips-siemens ;; rtpc | rtpc-*) basic_machine=romp-ibm ;; s390 | s390-*) basic_machine=s390-ibm ;; s390x | s390x-*) basic_machine=s390x-ibm ;; sa29200) basic_machine=a29k-amd os=-udi ;; sb1) basic_machine=mipsisa64sb1-unknown ;; sb1el) basic_machine=mipsisa64sb1el-unknown ;; sde) basic_machine=mipsisa32-sde os=-elf ;; sei) basic_machine=mips-sei os=-seiux ;; sequent) basic_machine=i386-sequent ;; sh5el) basic_machine=sh5le-unknown ;; simso-wrs) basic_machine=sparclite-wrs os=-vxworks ;; sps7) basic_machine=m68k-bull os=-sysv2 ;; spur) basic_machine=spur-unknown ;; st2000) basic_machine=m68k-tandem ;; stratus) basic_machine=i860-stratus os=-sysv4 ;; strongarm-* | thumb-*) basic_machine=arm-`echo "$basic_machine" | sed 's/^[^-]*-//'` ;; sun2) basic_machine=m68000-sun ;; sun2os3) basic_machine=m68000-sun os=-sunos3 ;; sun2os4) basic_machine=m68000-sun os=-sunos4 ;; sun3os3) basic_machine=m68k-sun os=-sunos3 ;; sun3os4) basic_machine=m68k-sun os=-sunos4 ;; sun4os3) basic_machine=sparc-sun os=-sunos3 ;; sun4os4) basic_machine=sparc-sun os=-sunos4 ;; sun4sol2) basic_machine=sparc-sun os=-solaris2 ;; sun3 | sun3-*) basic_machine=m68k-sun ;; sun4) basic_machine=sparc-sun ;; sun386 | sun386i | roadrunner) basic_machine=i386-sun ;; sv1) basic_machine=sv1-cray os=-unicos ;; symmetry) basic_machine=i386-sequent os=-dynix ;; t3e) basic_machine=alphaev5-cray os=-unicos ;; t90) basic_machine=t90-cray os=-unicos ;; tile*) basic_machine=$basic_machine-unknown os=-linux-gnu ;; tx39) basic_machine=mipstx39-unknown ;; tx39el) basic_machine=mipstx39el-unknown ;; toad1) basic_machine=pdp10-xkl os=-tops20 ;; tower | tower-32) basic_machine=m68k-ncr ;; tpf) basic_machine=s390x-ibm os=-tpf ;; udi29k) basic_machine=a29k-amd os=-udi ;; ultra3) basic_machine=a29k-nyu os=-sym1 ;; v810 | necv810) basic_machine=v810-nec os=-none ;; vaxv) basic_machine=vax-dec os=-sysv ;; vms) basic_machine=vax-dec os=-vms ;; vpp*|vx|vx-*) basic_machine=f301-fujitsu ;; vxworks960) basic_machine=i960-wrs os=-vxworks ;; vxworks68) basic_machine=m68k-wrs os=-vxworks ;; vxworks29k) basic_machine=a29k-wrs os=-vxworks ;; w65*) basic_machine=w65-wdc os=-none ;; w89k-*) basic_machine=hppa1.1-winbond os=-proelf ;; x64) basic_machine=x86_64-pc ;; xbox) basic_machine=i686-pc os=-mingw32 ;; xps | xps100) basic_machine=xps100-honeywell ;; xscale-* | xscalee[bl]-*) basic_machine=`echo "$basic_machine" | sed 's/^xscale/arm/'` ;; ymp) basic_machine=ymp-cray os=-unicos ;; none) basic_machine=none-none os=-none ;; # Here we handle the default manufacturer of certain CPU types. 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See the # GNU General Public License for more details. # You should have received a copy of the GNU General Public License # along with this program. If not, see . # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # Originally written by Alexandre Oliva . case $1 in '') echo "$0: No command. Try '$0 --help' for more information." 1>&2 exit 1; ;; -h | --h*) cat <<\EOF Usage: depcomp [--help] [--version] PROGRAM [ARGS] Run PROGRAMS ARGS to compile a file, generating dependencies as side-effects. Environment variables: depmode Dependency tracking mode. source Source file read by 'PROGRAMS ARGS'. object Object file output by 'PROGRAMS ARGS'. DEPDIR directory where to store dependencies. depfile Dependency file to output. tmpdepfile Temporary file to use when outputting dependencies. libtool Whether libtool is used (yes/no). Report bugs to . EOF exit $? ;; -v | --v*) echo "depcomp $scriptversion" exit $? ;; esac # Get the directory component of the given path, and save it in the # global variables '$dir'. Note that this directory component will # be either empty or ending with a '/' character. This is deliberate. set_dir_from () { case $1 in */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;; *) dir=;; esac } # Get the suffix-stripped basename of the given path, and save it the # global variable '$base'. set_base_from () { base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'` } # If no dependency file was actually created by the compiler invocation, # we still have to create a dummy depfile, to avoid errors with the # Makefile "include basename.Plo" scheme. make_dummy_depfile () { echo "#dummy" > "$depfile" } # Factor out some common post-processing of the generated depfile. # Requires the auxiliary global variable '$tmpdepfile' to be set. aix_post_process_depfile () { # If the compiler actually managed to produce a dependency file, # post-process it. if test -f "$tmpdepfile"; then # Each line is of the form 'foo.o: dependency.h'. # Do two passes, one to just change these to # $object: dependency.h # and one to simply output # dependency.h: # which is needed to avoid the deleted-header problem. { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile" sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile" } > "$depfile" rm -f "$tmpdepfile" else make_dummy_depfile fi } # A tabulation character. tab=' ' # A newline character. nl=' ' # Character ranges might be problematic outside the C locale. # These definitions help. upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ lower=abcdefghijklmnopqrstuvwxyz digits=0123456789 alpha=${upper}${lower} 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" # Avoid interferences from the environment. gccflag= dashmflag= # Some modes work just like other modes, but use different flags. We # parameterize here, but still list the modes in the big case below, # to make depend.m4 easier to write. Note that we *cannot* use a case # here, because this file can only contain one case statement. if test "$depmode" = hp; then # HP compiler uses -M and no extra arg. gccflag=-M depmode=gcc fi if test "$depmode" = dashXmstdout; then # This is just like dashmstdout with a different argument. dashmflag=-xM depmode=dashmstdout fi cygpath_u="cygpath -u -f -" if test "$depmode" = msvcmsys; then # This is just like msvisualcpp but w/o cygpath translation. # Just convert the backslash-escaped backslashes to single forward # slashes to satisfy depend.m4 cygpath_u='sed s,\\\\,/,g' depmode=msvisualcpp fi if test "$depmode" = msvc7msys; then # This is just like msvc7 but w/o cygpath translation. # Just convert the backslash-escaped backslashes to single forward # slashes to satisfy depend.m4 cygpath_u='sed s,\\\\,/,g' depmode=msvc7 fi if test "$depmode" = xlc; then # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information. gccflag=-qmakedep=gcc,-MF depmode=gcc fi case "$depmode" in gcc3) ## gcc 3 implements dependency tracking that does exactly what ## we want. Yay! Note: for some reason libtool 1.4 doesn't like ## it if -MD -MP comes after the -MF stuff. Hmm. ## Unfortunately, FreeBSD c89 acceptance of flags depends upon ## the command line argument order; so add the flags where they ## appear in depend2.am. Note that the slowdown incurred here ## affects only configure: in makefiles, %FASTDEP% shortcuts this. for arg do case $arg in -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;; *) set fnord "$@" "$arg" ;; esac shift # fnord shift # $arg done "$@" stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi mv "$tmpdepfile" "$depfile" ;; gcc) ## Note that this doesn't just cater to obsosete pre-3.x GCC compilers. ## but also to in-use compilers like IMB xlc/xlC and the HP C compiler. ## (see the conditional assignment to $gccflag above). ## There are various ways to get dependency output from gcc. Here's ## why we pick this rather obscure method: ## - Don't want to use -MD because we'd like the dependencies to end ## up in a subdir. Having to rename by hand is ugly. ## (We might end up doing this anyway to support other compilers.) ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like ## -MM, not -M (despite what the docs say). Also, it might not be ## supported by the other compilers which use the 'gcc' depmode. ## - Using -M directly means running the compiler twice (even worse ## than renaming). if test -z "$gccflag"; then gccflag=-MD, fi "$@" -Wp,"$gccflag$tmpdepfile" stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" echo "$object : \\" > "$depfile" # The second -e expression handles DOS-style file names with drive # letters. sed -e 's/^[^:]*: / /' \ -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" ## This next piece of magic avoids the "deleted header file" problem. ## The problem is that when a header file which appears in a .P file ## is deleted, the dependency causes make to die (because there is ## typically no way to rebuild the header). We avoid this by adding ## dummy dependencies for each header file. Too bad gcc doesn't do ## this for us directly. ## Some versions of gcc put a space before the ':'. On the theory ## that the space means something, we add a space to the output as ## well. hp depmode also adds that space, but also prefixes the VPATH ## to the object. Take care to not repeat it in the output. ## Some versions of the HPUX 10.20 sed can't process this invocation ## correctly. Breaking it into two sed invocations is a workaround. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \ | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; hp) # This case exists only to let depend.m4 do its work. It works by # looking at the text of this script. This case will never be run, # since it is checked for above. exit 1 ;; sgi) if test "$libtool" = yes; then "$@" "-Wp,-MDupdate,$tmpdepfile" else "$@" -MDupdate "$tmpdepfile" fi stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files echo "$object : \\" > "$depfile" # Clip off the initial element (the dependent). Don't try to be # clever and replace this with sed code, as IRIX sed won't handle # lines with more than a fixed number of characters (4096 in # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; # the IRIX cc adds comments like '#:fec' to the end of the # dependency line. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \ | tr "$nl" ' ' >> "$depfile" echo >> "$depfile" # The second pass generates a dummy entry for each header file. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ >> "$depfile" else make_dummy_depfile fi rm -f "$tmpdepfile" ;; xlc) # This case exists only to let depend.m4 do its work. It works by # looking at the text of this script. This case will never be run, # since it is checked for above. exit 1 ;; aix) # The C for AIX Compiler uses -M and outputs the dependencies # in a .u file. In older versions, this file always lives in the # current directory. Also, the AIX compiler puts '$object:' at the # start of each line; $object doesn't have directory information. # Version 6 uses the directory in both cases. set_dir_from "$object" set_base_from "$object" if test "$libtool" = yes; then tmpdepfile1=$dir$base.u tmpdepfile2=$base.u tmpdepfile3=$dir.libs/$base.u "$@" -Wc,-M else tmpdepfile1=$dir$base.u tmpdepfile2=$dir$base.u tmpdepfile3=$dir$base.u "$@" -M fi stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" exit $stat fi for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" do test -f "$tmpdepfile" && break done aix_post_process_depfile ;; tcc) # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26 # FIXME: That version still under development at the moment of writing. # Make that this statement remains true also for stable, released # versions. # It will wrap lines (doesn't matter whether long or short) with a # trailing '\', as in: # # foo.o : \ # foo.c \ # foo.h \ # # It will put a trailing '\' even on the last line, and will use leading # spaces rather than leading tabs (at least since its commit 0394caf7 # "Emit spaces for -MD"). "$@" -MD -MF "$tmpdepfile" stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'. # We have to change lines of the first kind to '$object: \'. sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile" # And for each line of the second kind, we have to emit a 'dep.h:' # dummy dependency, to avoid the deleted-header problem. sed -n -e 's|^ *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile" rm -f "$tmpdepfile" ;; ## The order of this option in the case statement is important, since the ## shell code in configure will try each of these formats in the order ## listed in this file. A plain '-MD' option would be understood by many ## compilers, so we must ensure this comes after the gcc and icc options. pgcc) # Portland's C compiler understands '-MD'. # Will always output deps to 'file.d' where file is the root name of the # source file under compilation, even if file resides in a subdirectory. # The object file name does not affect the name of the '.d' file. # pgcc 10.2 will output # foo.o: sub/foo.c sub/foo.h # and will wrap long lines using '\' : # foo.o: sub/foo.c ... \ # sub/foo.h ... \ # ... set_dir_from "$object" # Use the source, not the object, to determine the base name, since # that's sadly what pgcc will do too. set_base_from "$source" tmpdepfile=$base.d # For projects that build the same source file twice into different object # files, the pgcc approach of using the *source* file root name can cause # problems in parallel builds. Use a locking strategy to avoid stomping on # the same $tmpdepfile. lockdir=$base.d-lock trap " echo '$0: caught signal, cleaning up...' >&2 rmdir '$lockdir' exit 1 " 1 2 13 15 numtries=100 i=$numtries while test $i -gt 0; do # mkdir is a portable test-and-set. if mkdir "$lockdir" 2>/dev/null; then # This process acquired the lock. 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" Not all commands listed are safe. See innduct(8).\n", cc->out); } CCMD(flush) { int ok= trigger_flush_ok("manual request"); if (!ok) fprintf(cc->out,"already flushing (state is %s)\n", sms_names[sms]); } CCMD(stop) { preterminate(); notice("terminating (CTRL%d)",cc->fd); raise_default(SIGTERM); abort(); } CCMD(logstats) { showstats(); } CCMD(dump); CCMD(dumphere); /* messing with our head: */ CCMD(period) { period(); } CCMD(setintarg) { *(int*)c->xdata= atoi(arg); } CCMD(setint) { *(int*)c->xdata= c->xval; } CCMD(setint_period) { *(int*)c->xdata= c->xval; period(); } static const CliCommand cli_commands[]= { { "h", ccmd_help }, { "flush", ccmd_flush }, { "stop", ccmd_stop }, { "logstats", ccmd_logstats }, { "dump q", ccmd_dump, 0,0 }, { "dump a", ccmd_dump, 0,1 }, { "show", ccmd_dumphere }, { "p", ccmd_period }, #define POKES(cmd,func) \ { cmd "flush", func, &until_flush, 1 }, \ { cmd "conn", func, &until_connect, 0 }, \ { cmd "blscan", func, &until_backlog_nextscan, 0 }, POKES("next ", ccmd_setint) POKES("prod ", ccmd_setint_period) { "pretend flush", ccmd_setintarg, &simulate_flush }, { "wedge blscan", ccmd_setint, &until_backlog_nextscan, -1 }, { 0 } }; static void *cli_rd_ok(oop_source *lp, oop_read *oread, oop_rd_event ev, const char *errmsg, int errnoval, const char *data, size_t recszu, void *cc_v) { CliConn *cc= cc_v; if (!data) { info("CTRL%d closed", cc->fd); cc->destroy(cc); return OOP_CONTINUE; } if (recszu == 0) goto prompt; assert(recszu <= INT_MAX); int recsz= recszu; const CliCommand *ccmd; for (ccmd=cli_commands; ccmd->cmd; ccmd++) { int l= strlen(ccmd->cmd); if (recsz < l) continue; if (recsz > l && data[l] != ' ') continue; if (memcmp(data, ccmd->cmd, l)) continue; int argl= (int)recsz - (l+1); ccmd->f(cc, ccmd, argl>=0 ? data+l+1 : 0, argl); goto prompt; } fputs("unknown command; h for help\n", cc->out); prompt: cli_prompt(cc); return OOP_CONTINUE; } static void *cli_rd_err(oop_source *lp, oop_read *oread, oop_rd_event ev, const char *errmsg, int errnoval, const char *data, size_t recsz, void *cc_v) { CliConn *cc= cc_v; info("CTRL%d read error %s", cc->fd, errmsg); cc->destroy(cc); return OOP_CONTINUE; } static int cli_conn_startup(CliConn *cc /* may destroy*/, const char *how) { cc->rd= oop_rd_new_fd(loop, cc->fd, 0,0); if (!cc->rd) { warn("oop_rd_new_fd cli failed"); return -1; } int er= oop_rd_read(cc->rd, &cli_rd_style, MAX_CLI_COMMAND, cli_rd_ok, cc, cli_rd_err, cc); if (er) { errno= er; syswarn("oop_rd_read cli failed"); return -1; } info("CTRL%d %s ready", cc->fd, how); cli_prompt(cc); return 0; } static void cli_stdio_destroy(CliConn *cc) { if (cc->rd) { oop_rd_cancel(cc->rd); errno= oop_rd_delete_tidy(cc->rd); if (errno) syswarn("oop_rd_delete tidy failed (no-nonblock stdin?)"); } free(cc); } void cli_stdio(void) { NEW_DECL(CliConn *,cc); cc->destroy= cli_stdio_destroy; cc->fd= 0; cc->out= stdout; int r= cli_conn_startup(cc,"stdio"); if (r) cc->destroy(cc); } static void cli_accepted_destroy(CliConn *cc) { if (cc->rd) { oop_rd_cancel(cc->rd); oop_rd_delete_kill(cc->rd); } if (cc->out) { fclose(cc->out); cc->fd=0; } close_perhaps(&cc->fd); free(cc); } static void *cli_master_readable(oop_source *lp, int master, oop_event ev, void *u) { NEW_DECL(CliConn *,cc); cc->destroy= cli_accepted_destroy; cc->salen= sizeof(cc->sa); cc->fd= accept(master, &cc->sa.sa, &cc->salen); if (cc->fd<0) { syswarn("error accepting cli connection"); goto x; } cc->out= fdopen(cc->fd, "w"); if (!cc->out) { syswarn("error fdopening accepted cli connection"); goto x; } int r= cli_conn_startup(cc, "accepted"); if (r) goto x; return OOP_CONTINUE; x: cc->destroy(cc); return OOP_CONTINUE; } #define NOCLI(...) do{ \ syswarn("no cli listener, because failed to " __VA_ARGS__); \ goto nocli; \ }while(0) void cli_init(void) { union { struct sockaddr sa; struct sockaddr_un un; } sa; memset(&sa,0,sizeof(sa)); int maxlen= sizeof(sa.un.sun_path); if (!path_cli) { info("control command line disabled"); return; } int pathlen= strlen(path_cli); if (pathlen > maxlen) { warn("no cli listener, because cli socket path %s too long (%d>%d)", path_cli, pathlen, maxlen); return; } if (path_cli_dir) { int r= mkdir(path_cli_dir, 0700); if (r && errno!=EEXIST) NOCLI("create cli socket directory %s", path_cli_dir); } int r= unlink(path_cli); if (r && errno!=ENOENT) NOCLI("remove old cli socket %s", path_cli); cli_master= socket(PF_UNIX, SOCK_STREAM, 0); if (cli_master<0) NOCLI("create new cli master socket"); int sl= pathlen + offsetof(struct sockaddr_un, sun_path); sa.un.sun_family= AF_UNIX; memcpy(sa.un.sun_path, path_cli, pathlen); r= bind(cli_master, &sa.sa, sl); if (r) NOCLI("bind to cli socket path %s", sa.un.sun_path); r= listen(cli_master, 5); if (r) NOCLI("listen to cli master socket"); xsetnonblock(cli_master, 1); loop->on_fd(loop, cli_master, OOP_READ, cli_master_readable, 0); info("cli ready, listening on %s", path_cli); return; nocli: xclose_perhaps(&cli_master, "cli master",0); return; } /*========== dumping state ==========*/ static void dump_article_list(FILE *f, const CliCommand *c, const ArticleList *al) { fprintf(f, " count=%d\n", al->count); if (!c->xval) return; int i; Article *art; for (i=0, art=LIST_HEAD(*al); art; i++, art=LIST_NEXT(art)) { fprintf(f," #%05d %-11s", i, artstate_names[art->state]); DUMPV("%p", art->,ipf); DUMPV("%d", art->,missing); DUMPV("%lu", (unsigned long)art->,offset); DUMPV("%d", art->,blanklen); DUMPV("%d", art->,midlen); fprintf(f, " %s %s\n", TokenToText(art->token), art->messageid); } } static void dump_counts_events(FILE *f, const Counts *counts) { DUMPV("%d", counts->,events[read_ok]); DUMPV("%d", counts->,events[read_blank]); DUMPV("%d", counts->,events[read_err]); DUMPV("%d", counts->,events[nooffer_missing]); } static void dump_counts_results(FILE *f, const Counts *counts, const char *wh1, const char *wh2) { ArtState state; const char *const *statename; for (state=0, statename=artstate_names; *statename; state++,statename++) { #define RC_DUMP_FMT(x) " " #x "=%d" #define RC_DUMP_VAL(x) ,counts->results[state][RC_##x] fprintf(f,"%s%s counts %-11s" RESULT_COUNTS(RC_DUMP_FMT,RC_DUMP_FMT) "\n", wh1,wh2, *statename RESULT_COUNTS(RC_DUMP_VAL,RC_DUMP_VAL)); } } static void dump_input_file(FILE *f, const CliCommand *c, InputFile *ipf, const char *wh) { char *dipf= dbg_report_ipf(ipf); fprintf(f,"input %s %s", wh, dipf); free(dipf); if (ipf) dump_counts_events(f, &ipf->counts); fprintf(f,"\n"); if (ipf) { dump_counts_results(f, &ipf->counts, "input ",wh); fprintf(f,"input %s queue", wh); dump_article_list(f,c,&ipf->queue); } } static void dumpinfo(const CliCommand *c, FILE *f) { int i; fprintf(f,"general"); DUMPV("%s", sms_names,[sms]); DUMPV("%d", ,until_flush); DUMPV("%ld", (long),self_pid); DUMPV("%p", , defer); DUMPV("%d", , until_connect); DUMPV("%d", , until_backlog_nextscan); DUMPV("%d", , simulate_flush); fprintf(f,"\nnocheck"); DUMPV("%#.10f", , accept_proportion); DUMPV("%d", , nocheck); DUMPV("%d", , nocheck_reported); fprintf(f,"\n"); fprintf(f,"special"); DUMPV("%ld", (long),connecting_child); DUMPV("%d", , connecting_fdpass_sock); DUMPV("%d", , cli_master); fprintf(f,"\n"); fprintf(f,"lowvol"); DUMPV("%d", , lowvol_circptr); DUMPV("%d", , lowvol_total); fprintf(f,":"); for (i=0; ifd); DUMPV("%p",conn->,rd); DUMPV("%d",conn->,max_queue); DUMPV("%d",conn->,stream); DUMPV("\"%s\"",conn->,quitting); DUMPV("%d",conn->,since_activity); fprintf(f,"\n"); fprintf(f,"C%d waiting", conn->fd); dump_article_list(f,c,&conn->waiting); fprintf(f,"C%d priority",conn->fd); dump_article_list(f,c,&conn->priority); fprintf(f,"C%d sent", conn->fd); dump_article_list(f,c,&conn->sent); fprintf(f,"C%d xmit xmitu=%d\n", conn->fd, conn->xmitu); for (i=0; ixmitu; i++) { const struct iovec *iv= &conn->xmit[i]; const XmitDetails *xd= &conn->xmitd[i]; char *dinfo; switch (xd->kind) { case xk_Const: dinfo= masprintf("Const"); break; case xk_Artdata: dinfo= masprintf("A%p", xd->info.sm_art); break; default: abort(); } fprintf(f," #%03d %-11s l=%zd %s\n", i, dinfo, iv->iov_len, sanitise(iv->iov_base, iv->iov_len)); free(dinfo); } } fprintf(f,"paths"); DUMPV("%s", , feedfile); DUMPV("%s", , path_cli); DUMPV("%s", , path_lock); DUMPV("%s", , path_flushing); DUMPV("%s", , path_defer); DUMPV("%s", , path_dump); DUMPV("%s", , globpat_backlog); fprintf(f,"\n"); } CCMD(dump) { fprintf(cc->out, "dumping state to %s\n", path_dump); FILE *f= fopen(path_dump, "w"); if (!f) { fprintf(cc->out, "failed: open: %s\n", strerror(errno)); return; } dumpinfo(c,f); if (!!ferror(f) + !!fclose(f)) { fprintf(cc->out, "failed: write: %s\n", strerror(errno)); return; } } CCMD(dumphere) { dumpinfo(c,cc->out); fprintf(cc->out, ".\n"); } work/config.h.in0000664000000000000000000000276714557012014010766 0ustar /* config.h.in. Generated from configure.ac by autoheader. */ /* Define to 1 if you have the header file. */ #undef HAVE_INTTYPES_H /* Define to 1 if you have the header file. */ #undef HAVE_MEMORY_H /* Define to 1 if you have the header file. */ #undef HAVE_STDINT_H /* Define to 1 if you have the header file. */ #undef HAVE_STDLIB_H /* Define to 1 if you have the header file. */ #undef HAVE_STRINGS_H /* Define to 1 if you have the header file. */ #undef HAVE_STRING_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_INOTIFY_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_STAT_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_TYPES_H /* Define to 1 if you have the header file. */ #undef HAVE_UNISTD_H /* Name of package */ #undef PACKAGE /* Define to the address where bug reports for this package should be sent. */ #undef PACKAGE_BUGREPORT /* Define to the full name of this package. */ #undef PACKAGE_NAME /* Define to the full name and version of this package. */ #undef PACKAGE_STRING /* Define to the one symbol short name of this package. */ #undef PACKAGE_TARNAME /* Define to the home page for this package. */ #undef PACKAGE_URL /* Define to the version of this package. */ #undef PACKAGE_VERSION /* Define to 1 if you have the ANSI C header files. */ #undef STDC_HEADERS /* Version number of package */ #undef VERSION work/configure0000775000000000000000000051524614557012014010653 0ustar #! /bin/sh # Guess values for system-dependent variables and create Makefiles. # Generated by GNU Autoconf 2.69 for innduct 1.0. # # Report bugs to . # # # Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc. # # # This configure script is free software; the Free Software Foundation # gives unlimited permission to copy, distribute and modify it. ## -------------------- ## ## M4sh Initialization. ## ## -------------------- ## # Be more Bourne compatible DUALCASE=1; export DUALCASE # for MKS sh if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : emulate sh NULLCMD=: # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which # is contrary to our usage. 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But the ABI stability of # the inn libraries is questionable. On Debian only the .a files # are in inn2-dev. The .so's are in inn2.deb, which isn't depended on # by inn2-dev, and which doesn't have a # shlibs file for them. # So right now we can't sensibly link dynamically. # # So we pass -Bstatic. # # Recall that LIBS is generally *prepended* to. So we need to # temporarily put -Bstatic in LDFLAGS so that it ends up before # the actual libraries in the following tests. LDFLAGS="$LDFLAGS -Wl,-Bstatic" AC_SEARCH_LIBS(NNTPconnect, [inn], [],[ AC_MSG_ERROR([failed to find libinn]) ]) AC_SEARCH_LIBS(SMinit, [innstorage storage], [],[ AC_MSG_ERROR([Failed to find INN storage library (-linnstorage, -lstorage)]) ]) # Now move the -Bstatic to LIBS where it belongs. # LDFLAGS and LIBS are automatically included in link lines by automake # so nothing is needed in Makefile.am.) LDFLAGS="${LDFLAGS% -Wl,-Bstatic}" LIBS="-Wl,-Bstatic $LIBS" AM_CONFIG_HEADER(config.h) AC_CONFIG_FILES([Makefile]) AC_OUTPUT work/conn.c0000664000000000000000000003011314557012014010026 0ustar /* * innduct * tailing reliable realtime streaming feeder for inn * conn.c - connection establishment and teardown * * Copyright Ian Jackson * and contributors; see LICENCE.txt. * SPDX-License-Identifier: GPL-3.0-or-later */ #include "innduct.h" /*========== management of connections ==========*/ static void reconnect_blocking_event(void) { until_connect= reconnect_delay_periods; } void conn_closefd(Conn *conn, const char *msgprefix) { int r= close_perhaps(&conn->fd); if (r) info("C%d %serror closing socket: %s", conn->fd, msgprefix, strerror(errno)); } int conn_busy(Conn *conn) { return conn->waiting.count || conn->priority.count || conn->sent.count || conn->xmitu; } void conn_dispose(Conn *conn) { if (!conn) return; if (conn->rd) { oop_rd_cancel(conn->rd); oop_rd_delete_kill(conn->rd); conn->rd= 0; } if (conn->fd) { loop->cancel_fd(loop, conn->fd, OOP_WRITE); loop->cancel_fd(loop, conn->fd, OOP_EXCEPTION); } conn_closefd(conn,""); free(conn); } static void *conn_exception(oop_source *lp, int fd, oop_event ev, void *conn_v) { Conn *conn= conn_v; unsigned char ch; assert(fd == conn->fd); assert(ev == OOP_EXCEPTION); int r= read(conn->fd, &ch, 1); if (r<0) connfail(conn,"read failed: %s",strerror(errno)); else connfail(conn,"exceptional condition on socket (peer sent urgent" " data? read(,&ch,1)=%d,ch='\\x%02x')",r,ch); return OOP_CONTINUE; } void vconnfail(Conn *conn, const char *fmt, va_list al) { int requeue[art_MaxState]; memset(requeue,0,sizeof(requeue)); Article *art; while ((art= LIST_REMHEAD(conn->priority))) LIST_ADDTAIL(art->ipf->queue, art); while ((art= LIST_REMHEAD(conn->waiting))) LIST_ADDTAIL(art->ipf->queue, art); while ((art= LIST_REMHEAD(conn->sent))) { requeue[art->state]++; if (art->state==art_Unsolicited) art->state= art_Unchecked; LIST_ADDTAIL(art->ipf->queue,art); check_reading_pause_resume(art->ipf); } int i; XmitDetails *d; for (i=0, d=conn->xmitd; ixmitu; i++, d++) xmit_free(d); LIST_REMOVE(conns,conn); char *m= mvasprintf(fmt,al); warn("C%d (now %d) connection failed " "(requeueing " RCI_TRIPLE_FMT_BASE "): %s", conn->fd, conns.count, RCI_TRIPLE_VALS_BASE(requeue, /*nothing*/), m); free(m); reconnect_blocking_event(); conn_dispose(conn); check_assign_articles(); } void connfail(Conn *conn, const char *fmt, ...) { va_list al; va_start(al,fmt); vconnfail(conn,fmt,al); va_end(al); } static void conn_idle_close(Conn *conn, const char *why) { static const char quitcmd[]= "QUIT\r\n"; int todo= sizeof(quitcmd)-1; const char *p= quitcmd; for (;;) { int r= write(conn->fd, p, todo); if (r<0) { if (isewouldblock(errno)) connfail(conn, "blocked writing QUIT to idle connection"); else connfail(conn, "failed to write QUIT to idle connection: %s", strerror(errno)); break; } assert(r<=todo); todo -= r; if (!todo) { conn->quitting= why; conn->since_activity= 0; dbg("C%d is idle (%s), quitting", conn->fd, why); break; } } } /* * For our last connection, we also shut it down if we have had * less than K in the last L */ void check_idle_conns(void) { Conn *conn; int volthisperiod= lowvol_perperiod[lowvol_circptr]; lowvol_circptr++; lowvol_circptr %= lowvol_periods; lowvol_total += volthisperiod; lowvol_total -= lowvol_perperiod[lowvol_circptr]; lowvol_perperiod[lowvol_circptr]= 0; FOR_CONN(conn) conn->since_activity++; search_again: FOR_CONN(conn) { if (conn->since_activity <= need_activity_periods) continue; /* We need to shut this down */ if (conn->quitting) connfail(conn,"timed out waiting for response to QUIT (%s)", conn->quitting); else if (conn->sent.count) connfail(conn,"timed out waiting for responses"); else if (conn->waiting.count || conn->priority.count) connfail(conn,"BUG IN INNDUCT conn has queue but nothing sent"); else if (conn->xmitu) connfail(conn,"peer has been sending responses" " before receiving our commands!"); else conn_idle_close(conn, "no activity"); goto search_again; } conn= LIST_HEAD(conns); if (!volthisperiod && conns.count==1 && lowvol_total < lowvol_thresh && !conn_busy(conn)) conn_idle_close(conn, "low volume"); } /*---------- reporting numbers of connections ----------*/ static int conns_max_reported, conns_idle_reported; void notice_conns_more(const char *new_kind) { if (conns.count > conns_max_reported) { notice("up to %d connection(s) (%s)", conns.count, new_kind); conns_max_reported= conns.count; } } void notice_conns_fewer(void) { if (!conns.count && !conns_idle_reported) { notice("low volume, using intermittent connection"); conns_idle_reported= 1; } } void notice_conns_stats(void) { notice("currently %d connection(s)", conns.count); conns_max_reported= conns.count; conns_idle_reported= 0; } /*---------- making new connections ----------*/ pid_t connecting_child; int connecting_fdpass_sock; static void connect_attempt_discard(void) { if (connecting_child) { int status= xwaitpid(&connecting_child, "connect"); if (!(WIFEXITED(status) || (WIFSIGNALED(status) && WTERMSIG(status) == SIGKILL))) report_child_status("connect", status); } if (connecting_fdpass_sock) { cancel_fd_read_except(connecting_fdpass_sock); xclose_perhaps(&connecting_fdpass_sock, "connecting fdpass socket",0); } } #define PREP_DECL_MSG_CMSG(msg) \ char msgbyte= 0; \ struct iovec msgiov; \ msgiov.iov_base= &msgbyte; \ msgiov.iov_len= 1; \ struct msghdr msg; \ memset(&msg,0,sizeof(msg)); \ char msg##cbuf[CMSG_SPACE(sizeof(int))]; \ msg.msg_iov= &msgiov; \ msg.msg_iovlen= 1; \ msg.msg_control= msg##cbuf; \ msg.msg_controllen= sizeof(msg##cbuf); static void *connchild_event(oop_source *lp, int fd, oop_event e, void *u) { Conn *conn= 0; assert(fd == connecting_fdpass_sock); PREP_DECL_MSG_CMSG(msg); ssize_t rs= recvmsg(fd, &msg, 0); if (rs<0) { if (isewouldblock(errno)) return OOP_CONTINUE; syswarn("failed to read socket from connecting child"); goto x; } NEW(conn); LIST_INIT(conn->waiting); LIST_INIT(conn->priority); LIST_INIT(conn->sent); struct cmsghdr *h= 0; if (rs >= 0) h= CMSG_FIRSTHDR(&msg); if (!h) { int status= xwaitpid(&connecting_child, "connect child (broken)"); if (WIFEXITED(status)) { if (WEXITSTATUS(status) != 0 && WEXITSTATUS(status) != CONNCHILD_ESTATUS_STREAM && WEXITSTATUS(status) != CONNCHILD_ESTATUS_NOSTREAM) /* child already reported the problem */; else { if (e == OOP_EXCEPTION) warn("connect: connection child exited code %d but" " unexpected exception on fdpass socket", WEXITSTATUS(status)); else warn("connect: connection child exited code %d but" " no cmsg (rs=%d)", WEXITSTATUS(status), (int)rs); } } else if (WIFSIGNALED(status) && WTERMSIG(status) == SIGALRM) { warn("connect: connection attempt timed out"); } else { report_child_status("connect", status); } goto x; } #define CHK(field, val) \ if (h->cmsg_##field != val) { \ crash("connect: child sent cmsg with cmsg_" #field "=%ld, expected %ld", \ (long)h->cmsg_##field, (long)val); \ goto x; \ } CHK(level, SOL_SOCKET); CHK(type, SCM_RIGHTS); CHK(len, CMSG_LEN(sizeof(conn->fd))); #undef CHK if (CMSG_NXTHDR(&msg,h)) crash("connect: child sent many cmsgs"); memcpy(&conn->fd, CMSG_DATA(h), sizeof(conn->fd)); int status; pid_t got= waitpid(connecting_child, &status, 0); if (got==-1) syscrash("connect: real wait for child"); assert(got == connecting_child); connecting_child= 0; if (!WIFEXITED(status)) { report_child_status("connect",status); goto x; } int es= WEXITSTATUS(status); switch (es) { case CONNCHILD_ESTATUS_STREAM: conn->stream= 1; break; case CONNCHILD_ESTATUS_NOSTREAM: conn->stream= 0; break; default: die("connect: child gave unexpected exit status %d", es); } /* Phew! */ conn->max_queue= conn->stream ? max_queue_per_conn : 1; loop->on_fd(loop, conn->fd, OOP_EXCEPTION, conn_exception, conn); conn->rd= oop_rd_new_fd(loop,conn->fd, 0, 0); /* sets nonblocking, too */ if (!conn->fd) crash("oop_rd_new_fd conn failed (fd=%d)",conn->fd); int r= oop_rd_read(conn->rd, &peer_rd_style, NNTP_MAXLEN_COMMAND+1, &peer_rd_ok, conn, &peer_rd_err, conn); if (r) syscrash("oop_rd_read for peer (fd=%d)",conn->fd); LIST_ADDHEAD(conns, conn); const char *streamdesc= conn->stream ? "streaming" : "plain"; info("C%d (now %d) connected %s", conn->fd, conns.count, streamdesc); notice_conns_more(streamdesc); connect_attempt_discard(); check_assign_articles(); return OOP_CONTINUE; x: conn_dispose(conn); connect_attempt_discard(); reconnect_blocking_event(); return OOP_CONTINUE; } int allow_connect_start(void) { return conns.count < max_connections && !connecting_child && !until_connect; } void connect_start(void) { assert(!connecting_child); assert(!connecting_fdpass_sock); info("starting connection attempt"); int ok_until_connect= until_connect; reconnect_blocking_event(); int socks[2]; int r= socketpair(AF_UNIX, SOCK_STREAM, 0, socks); if (r) { syswarn("connect: cannot create socketpair for child"); return; } connecting_child= xfork("connection"); if (!connecting_child) { FILE *cn_from, *cn_to; char buf[NNTP_MAXLEN_COMMAND+100]; int exitstatus= CONNCHILD_ESTATUS_NOSTREAM; xclose(socks[0], "(in child) parent's connection fdpass socket",0); alarm(connection_setup_timeout); buf[sizeof(buf)-1] = 0; if (NNTPconnect(remote_host, port, &cn_from, &cn_to, buf, sizeof(buf)-1) < 0) { int l= strlen(buf); int stripped=0; while (l>0) { unsigned char c= buf[l-1]; if (!isspace(c)) break; if (c=='\n' || c=='\r') stripped=1; --l; } if (!buf[0]) { sysdie("connect: connection attempt failed"); } else { buf[l]= 0; die("connect: %s: %s", stripped ? "rejected" : "failed", sanitise(buf,-1)); } } if (NNTPsendpassword((char*)remote_host, cn_from, cn_to) < 0) sysdie("connect: authentication failed"); if (try_stream) { if (fputs("MODE STREAM\r\n", cn_to)==EOF || fflush(cn_to)) sysdie("connect: could not send MODE STREAM"); buf[sizeof(buf)-1]= 0; if (!fgets(buf, sizeof(buf)-1, cn_from)) { if (ferror(cn_from)) sysdie("connect: could not read response to MODE STREAM"); else die("connect: connection close in response to MODE STREAM"); } int l= strlen(buf); assert(l>=1); if (buf[l-1]!='\n') die("connect: response to MODE STREAM is too long: %.100s...", sanitise(buf,-1)); l--; if (l>0 && buf[l-1]=='\r') l--; buf[l]= 0; char *ep; int rcode= strtoul(buf,&ep,10); if (ep != &buf[3]) die("connect: bad response to MODE STREAM: %.50s", sanitise(buf,-1)); switch (rcode) { case 203: exitstatus= CONNCHILD_ESTATUS_STREAM; break; case 480: case 500: break; default: warn("connect: unexpected response to MODE STREAM: %.50s", sanitise(buf,-1)); exitstatus= CONNCHILD_ESTATUS_NOSTREAM; break; } } int fd= fileno(cn_from); PREP_DECL_MSG_CMSG(msg); struct cmsghdr *cmsg= CMSG_FIRSTHDR(&msg); cmsg->cmsg_level= SOL_SOCKET; cmsg->cmsg_type= SCM_RIGHTS; cmsg->cmsg_len= CMSG_LEN(sizeof(fd)); memcpy(CMSG_DATA(cmsg), &fd, sizeof(fd)); msg.msg_controllen= cmsg->cmsg_len; r= sendmsg(socks[1], &msg, 0); if (r<0) syscrash("sendmsg failed for new connection"); if (r!=1) crash("sendmsg for new connection gave wrong result %d",r); _exit(exitstatus); } xclose(socks[1], "connecting fdpass child's socket",0); connecting_fdpass_sock= socks[0]; xsetnonblock(connecting_fdpass_sock, 1); on_fd_read_except(connecting_fdpass_sock, connchild_event); if (!conns.count) until_connect= ok_until_connect; } work/debian/0000775000000000000000000000000014557012014010151 5ustar work/debian/.gitignore0000664000000000000000000000017614557012014012145 0ustar files substvars debhelper.log *.substvars *.debhelper.log .debhelper autoreconf.after autoreconf.before debhelper-build-stamp work/debian/changelog0000664000000000000000000000153014557012014012022 0ustar innduct (2.2) unstable; urgency=medium * Fix finding -linnstorage in the presence of an installed runtime INN2 server package. [Report from Martin Burmester] * Many Debian build system improvements. * Copyright notices and documentation overhauled. * Remove .pc junk subdirectory from source tree. * Drop __oop-read-copy.c. (See #1061619.) * Update autoconf files. -- Ian Jackson Thu, 01 Feb 2024 21:58:36 +0000 innduct (2.1) unstable; urgency=medium * Fix stats logging. * Fix many bugs and compiler warnings. -- Ian Jackson Thu, 07 Jul 2022 11:24:20 +0100 innduct (2.0) unstable; urgency=medium * Version 2.0 (builds against libinn2 1.5.4, has Debian build system). -- Ian Jackson Sat, 05 Dec 2015 21:40:07 +0000 work/debian/compat0000664000000000000000000000000314557012014011350 0ustar 13 work/debian/control0000664000000000000000000000116314557012014011555 0ustar Source: innduct Maintainer: Ian Jackson Section: news Priority: optional Standards-Version: 4.6.2 Build-Depends: inn2-dev (>= 2.5), liboop-dev, automake, autoconf, debhelper (>= 13) Package: innduct Depends: ${misc:Depends}, ${shlibs:Depends} Recommends: ${perl:Depends} Architecture: any Description: nntp feeder transport for inn2 innduct replaces innfeed and innxmit/nntpsend. Unlike innfeed it is reliable (articles are not dropped from feeds for trivial transient problems); unlike innxmit/nntpsend it is realtime. It is also a lot smaller and simpler than innfeed. work/debian/copyright0000777000000000000000000000000014557012014014115 2../LICENCE.txtustar work/debian/rules0000775000000000000000000000056214557012014011234 0ustar #!/usr/bin/make -f SHELL=/bin/bash %: dh "$@" override_dh_autoreconf: dh_autoreconf ./autogen.sh execute_after_dh_installdocs: @# This is the same as debian/copyright @# We make a symlink since it's referred to by the executable cmp debian/innduct/usr/share/doc/innduct/{copyright,LICENCE.txt} ln -sf copyright debian/innduct/usr/share/doc/innduct/LICENCE.txt work/debian/source/0000775000000000000000000000000014557012014011451 5ustar work/debian/source/format0000664000000000000000000000000414557012014012656 0ustar 1.0 work/debian/source/lintian-overrides0000664000000000000000000000005514557012014015032 0ustar debian-copyright-is-symlink debian/copyright work/defer.c0000664000000000000000000001350114557012014010160 0ustar /* * innduct * tailing reliable realtime streaming feeder for inn * defer.c - handling of defer and backlog files * * Copyright Ian Jackson * and contributors; see LICENCE.txt. * SPDX-License-Identifier: GPL-3.0-or-later */ #include "innduct.h" /*---------- defer and backlog files ----------*/ /* * Backlog files are also processed by innduct. We find the oldest * backlog file which is at least a certain amount old, and feed it * back into our processing. When every article in it has been read * and processed, we unlink it and look for another backlog file. * * If we don't have a backlog file that we're reading, we close the * defer file that we're writing and make it into a backlog file at * the first convenient opportunity. */ void open_defer(void) { struct stat stab; if (defer) return; defer= fopen(path_defer, "a+"); if (!defer) sysdie("could not open defer file %s", path_defer); /* truncate away any half-written records */ xfstat_isreg(fileno(defer), &stab, path_defer, "newly opened defer file"); if (stab.st_size > LONG_MAX) crash("defer file %s size is far too large", path_defer); if (!stab.st_size) return; long orgsize= stab.st_size; long truncto= stab.st_size; for (;;) { if (!truncto) break; /* was only (if anything) one half-truncated record */ if (fseek(defer, truncto-1, SEEK_SET) < 0) syscrash("seek in defer file %s while truncating partial", path_defer); int r= getc(defer); if (r==EOF) { if (ferror(defer)) syscrash("failed read from defer file %s", path_defer); else crash("defer file %s shrank while we were checking it!", path_defer); } if (r=='\n') break; truncto--; } if (stab.st_size != truncto) { warn("truncating half-record at end of defer file %s -" " shrinking by %ld bytes from %ld to %ld", path_defer, orgsize - truncto, orgsize, truncto); if (fflush(defer)) sysdie("could not flush defer file %s", path_defer); if (ftruncate(fileno(defer), truncto)) syscrash("could not truncate defer file %s", path_defer); } else { info("continuing existing defer file %s (%ld bytes)", path_defer, orgsize); } if (fseek(defer, truncto, SEEK_SET)) syscrash("could not seek to new end of defer file %s", path_defer); } void close_defer(void) { if (!defer) return; struct stat stab; xfstat_isreg(fileno(defer), &stab, path_defer, "defer file"); if (fclose(defer)) sysdie("could not close defer file %s", path_defer); defer= 0; time_t now= xtime(); char *backlog= masprintf("%s_backlog_%lu.%lu", feedfile, (unsigned long)now, (unsigned long)stab.st_ino); if (link(path_defer, backlog)) sysdie("could not install defer file %s as backlog file %s", path_defer, backlog); if (unlink(path_defer)) syscrash("could not unlink old defer link %s to backlog file %s", path_defer, backlog); free(backlog); if (until_backlog_nextscan < 0 || until_backlog_nextscan > backlog_retry_minperiods + 1) until_backlog_nextscan= backlog_retry_minperiods + 1; } void poll_backlog_file(void) { if (until_backlog_nextscan < 0) return; if (until_backlog_nextscan-- > 0) return; search_backlog_file(); } void search_backlog_file(void) { /* returns non-0 iff there are any backlog files */ glob_t gl; int r; unsigned ui; struct stat stab; const char *oldest_path=0; time_t oldest_mtime=0, now; if (backlog_input_file) return; try_again: r= glob(globpat_backlog, GLOB_ERR|GLOB_MARK|GLOB_NOSORT, 0, &gl); switch (r) { case GLOB_ABORTED: sysdie("failed to expand backlog pattern %s", globpat_backlog); case GLOB_NOSPACE: die("out of memory expanding backlog pattern %s", globpat_backlog); case 0: for (ui=0; ui= 0 && until_backlog_nextscan > backlog_spontrescan_periods) until_backlog_nextscan= backlog_spontrescan_periods; dbg("backlog scan: young age=%f deficiency=%ld nextscan=%d oldest=%s", age, age_deficiency, until_backlog_nextscan, oldest_path); xfree: globfree(&gl); return; } work/duct.c0000664000000000000000000004223414557012014010037 0ustar /* * innduct * tailing reliable realtime streaming feeder for inn * duct.c - main program, option parsing and startup * * Copyright Ian Jackson * and contributors; see LICENCE.txt. * SPDX-License-Identifier: GPL-3.0-or-later */ #include "innduct.h" const char *sms_names[]= { #define SMS_DEF_NAME(s) #s , SMS_LIST(SMS_DEF_NAME) 0 }; /*----- general operational variables -----*/ /* main initialises */ oop_source *loop; ConnList conns; char *path_lock, *path_flushing, *path_defer, *path_dump; char *globpat_backlog; pid_t self_pid; int *lowvol_perperiod; int lowvol_circptr; int lowvol_total; /* does not include current period */ int until_stats_log=1; /*---------- configuration option variables ----------*/ /* when changing defaults, remember to update the manpage */ const char *sitename, *remote_host; const char *feedfile, *path_run, *path_cli, *path_cli_dir; int quiet_multiple=0; int interactive=0, try_filemon=1; int try_stream=1; int port=119; const char *inndconffile; int max_connections=10; int max_queue_per_conn=200; int target_max_feedfile_size=100000; int period_seconds=30; int filepoll_seconds=5; int max_queue_per_ipf=-1; int connection_setup_timeout=200; int inndcomm_flush_timeout=100; double nocheck_thresh= 95.0; /* converted from percentage by main */ double nocheck_decay= 100; /* conv'd from articles to lambda by main */ /* all these are initialised to seconds, and converted to periods in main */ int reconnect_delay_periods=1000; int flushfail_retry_periods=1000; int backlog_retry_minperiods=100; int backlog_spontrescan_periods=300; int spontaneous_flush_periods=100000; int max_separated_periods=2000; int need_activity_periods=1000; int stats_log_periods=2500; int lowvol_thresh=3; int lowvol_periods=1000; double max_bad_data_ratio= 1; /* conv'd from percentage by main */ int max_bad_data_initial= 30; /* in one corrupt 4096-byte block the number of newlines has * mean 16 and standard deviation 3.99. 30 corresponds to z=+3.5 */ /*========== main program ==========*/ static void postfork_inputfile(InputFile *ipf) { if (!ipf) return; xclose(ipf->fd, "(in child) input file ", ipf->path); } static void postfork_stdio(FILE *f, const char *what, const char *what2) { /* we have no stdio streams that are buffered long-term */ if (!f) return; if (fclose(f)) syscrash("(in child) close %s%s", what, what2?what2:0); } void postfork(void) { in_child= 1; xsigsetdefault(SIGTERM); xsigsetdefault(SIGINT); xsigsetdefault(SIGPIPE); if (terminate_sig_flag) raise(terminate_sig_flag); postfork_inputfile(main_input_file); postfork_inputfile(flushing_input_file); Conn *conn; FOR_CONN(conn) conn_closefd(conn,"(in child) "); postfork_stdio(defer, "defer file ", path_defer); } typedef struct Every Every; struct Every { struct timeval interval; int fixed_rate; void (*f)(void); }; static void every_schedule(Every *e, struct timeval base); static void *every_happens(oop_source *lp, struct timeval base, void *e_v) { Every *e= e_v; e->f(); if (!e->fixed_rate) xgettimeofday(&base); every_schedule(e, base); return OOP_CONTINUE; } static void every_schedule(Every *e, struct timeval base) { struct timeval when; timeradd(&base, &e->interval, &when); loop->on_time(loop, when, every_happens, e); } static void every(int interval, int fixed_rate, void (*f)(void)) { NEW_DECL(Every *,e); e->interval.tv_sec= interval; e->interval.tv_usec= 0; e->fixed_rate= fixed_rate; e->f= f; struct timeval now; xgettimeofday(&now); every_schedule(e, now); } void period(void) { char *dipf_main= dbg_report_ipf(main_input_file); char *dipf_flushing= dbg_report_ipf(flushing_input_file); char *dipf_backlog= dbg_report_ipf(backlog_input_file); dbg("PERIOD" " sms=%s[%d] conns=%d until_connect=%d" " input_files main:%s flushing:%s backlog:%s[%d]" " children connecting=%ld inndcomm=%ld lowvol_total=%d" , sms_names[sms], until_flush, conns.count, until_connect, dipf_main, dipf_flushing, dipf_backlog, until_backlog_nextscan, (long)connecting_child, (long)inndcomm_child, lowvol_total ); free(dipf_main); free(dipf_flushing); free(dipf_backlog); if (until_stats_log) until_stats_log--; else showstats(); if (until_connect) until_connect--; inputfile_queue_check_expired(backlog_input_file); poll_backlog_file(); if (!backlog_input_file) close_defer(); /* want to start on a new backlog */ statemc_period_poll(); check_assign_articles(); check_idle_conns(); } /*========== option parsing ==========*/ static void vbadusage(const char *fmt, va_list al) NORET_PRINTF(1,0); static void vbadusage(const char *fmt, va_list al) { char *m= mvasprintf(fmt,al); fprintf(stderr, "bad usage: %s\n" "say --help for help, or read the manpage\n", m); if (interactive < 2) syslog(LOG_ERR,"innduct: invoked with bad usage: %s",m); exit(8); } /*---------- generic option parser ----------*/ static void badusage(const char *fmt, ...) NORET_PRINTF(1,2); static void badusage(const char *fmt, ...) { va_list al; va_start(al,fmt); vbadusage(fmt,al); } enum OptFlags { of_seconds= 001000u, of_boolean= 002000u, }; typedef struct Option Option; typedef void OptionParser(const Option*, const char *val); struct Option { int shrt; const char *lng, *formarg; void *store; OptionParser *fn; int intval; }; static void parse_options(const Option *options, char ***argvp) { /* on return *argvp is first non-option arg; argc is not updated */ for (;;) { const char *arg= *++(*argvp); if (!arg) break; if (*arg != '-') break; if (!strcmp(arg,"--")) { arg= *++(*argvp); break; } int a; while ((a= *++arg)) { const Option *o; if (a=='-') { arg++; char *equals= strchr(arg,'='); unsigned len= equals ? (size_t)(equals - arg) : strlen(arg); for (o=options; o->shrt || o->lng; o++) if (strlen(o->lng) == len && !memcmp(o->lng,arg,len)) goto found_long; badusage("unknown long option --%s",arg); found_long: if (!o->formarg) { if (equals) badusage("option --%s does not take a value",o->lng); arg= 0; } else if (equals) { arg= equals+1; } else { arg= *++(*argvp); if (!arg) badusage("option --%s needs a value for %s", o->lng, o->formarg); } o->fn(o, arg); break; /* eaten the whole argument now */ } for (o=options; o->shrt || o->lng; o++) if (a == o->shrt) goto found_short; badusage("unknown short option -%c",a); found_short: if (!o->formarg) { o->fn(o,0); } else { if (!*++arg) { arg= *++(*argvp); if (!arg) badusage("option -%c needs a value for %s", o->shrt, o->formarg); } o->fn(o,arg); break; /* eaten the whole argument now */ } } } } #define DELIMPERHAPS(delim,str) (str) ? (delim) : "", (str) ? (str) : "" static void print_options(const Option *options, FILE *f) { const Option *o; for (o=options; o->shrt || o->lng; o++) { char shrt[2] = { o->shrt, 0 }; char *optspec= masprintf("%s%s%s%s%s", o->shrt ? "-" : "", shrt, o->shrt && o->lng ? "|" : "", DELIMPERHAPS("--", o->lng)); fprintf(f, " %s%s%s\n", optspec, DELIMPERHAPS(" ", o->formarg)); free(optspec); } } /*---------- specific option types ----------*/ static void op_integer(const Option *o, const char *val) { char *ep; errno= 0; unsigned long ul= strtoul(val,&ep,10); if (*ep || ep==val || errno || ul>INT_MAX) badusage("bad integer value for %s",o->lng); int *store= o->store; *store= ul; } static void op_double(const Option *o, const char *val) { int *store= o->store; char *ep; errno= 0; *store= strtod(val, &ep); if (*ep || ep==val || errno) badusage("bad floating point value for %s",o->lng); } static void op_string(const Option *o, const char *val) { const char **store= o->store; *store= val; } static void op_seconds(const Option *o, const char *val) { int *store= o->store; char *ep; int unit; double v= strtod(val,&ep); if (ep==val) badusage("bad time/duration value for %s",o->lng); if (!*ep || !strcmp(ep,"s") || !strcmp(ep,"sec")) unit= 1; else if (!strcmp(ep,"m") || !strcmp(ep,"min")) unit= 60; else if (!strcmp(ep,"h") || !strcmp(ep,"hour")) unit= 3600; else if (!strcmp(ep,"d") || !strcmp(ep,"day")) unit= 86400; else if (!strcmp(ep,"das")) unit= 10; else if (!strcmp(ep,"hs")) unit= 100; else if (!strcmp(ep,"ks")) unit= 1000; else if (!strcmp(ep,"Ms")) unit= 1000000; else badusage("bad units %s for time/duration value for %s",ep,o->lng); v *= unit; v= ceil(v); if (v > INT_MAX) badusage("time/duration value for %s out of range",o->lng); *store= v; } static void op_setint(const Option *o, const char *val) { int *store= o->store; *store= o->intval; } /*---------- specific options ----------*/ static void help(const Option *o, const char *val); static const Option innduct_options[]= { {'f',"feedfile", "F", &feedfile, op_string }, {'q',"quiet-multiple", 0, &quiet_multiple, op_setint, 1 }, {0,"no-daemon", 0, &interactive, op_setint, 1 }, {0,"interactive", 0, &interactive, op_setint, 2 }, {0,"no-streaming", 0, &try_stream, op_setint, 0 }, {0,"no-filemon", 0, &try_filemon, op_setint, 0 }, {'C',"inndconf", "F", &inndconffile, op_string }, {'P',"port", "PORT", &port, op_integer }, {0,"chdir", "DIR", &path_run, op_string }, {0,"cli", "DIR/|PATH", &path_cli, op_string }, {0,"help", 0, 0, help }, {0,"max-connections", "N", &max_connections, op_integer }, {0,"max-queue-per-conn", "N", &max_queue_per_conn, op_integer }, {0,"max-queue-per-file", "N", &max_queue_per_ipf, op_integer }, {0,"feedfile-flush-size","BYTES", &target_max_feedfile_size, op_integer }, {0,"period-interval", "TIME", &period_seconds, op_seconds }, {0,"connection-timeout", "TIME", &connection_setup_timeout, op_seconds }, {0,"stuck-flush-timeout", "TIME", &inndcomm_flush_timeout, op_seconds }, {0,"feedfile-poll", "TIME", &filepoll_seconds, op_seconds }, {0,"no-check-proportion", "PERCENT", &nocheck_thresh, op_double }, {0,"no-check-response-time","ARTICLES", &nocheck_decay, op_double }, {0,"reconnect-interval", "PERIOD", &reconnect_delay_periods, op_seconds }, {0,"flush-retry-interval", "PERIOD", &flushfail_retry_periods, op_seconds }, {0,"earliest-deferred-retry","PERIOD", &backlog_retry_minperiods, op_seconds }, {0,"backlog-rescan-interval","PERIOD",&backlog_spontrescan_periods,op_seconds}, {0,"max-flush-interval", "PERIOD", &spontaneous_flush_periods,op_seconds }, {0,"flush-finish-timeout", "PERIOD", &max_separated_periods, op_seconds }, {0,"idle-timeout", "PERIOD", &need_activity_periods, op_seconds }, {0,"stats-log-interval", "PERIOD", &stats_log_periods, op_seconds }, {0,"low-volume-thresh", "PERIOD", &lowvol_thresh, op_integer }, {0,"low-volume-window", "PERIOD", &lowvol_periods, op_seconds }, {0,"max-bad-input-data-ratio","PERCENT", &max_bad_data_ratio, op_double }, {0,"max-bad-input-data-init", "PERCENT", &max_bad_data_initial, op_integer }, {0,0} }; static void printusage(FILE *f) { fputs("usage: innduct [options] site [fqdn]\n" "available options are:\n", f); print_options(innduct_options, f); } static void printcopyright(FILE *f) { fputs( "innduct is Copyright Ian Jackson and contributors.\n" "It is free software, licenced under GPL version 3 or later.\n" "There is NO WARRANTY. See the file LICENCE.txt for details.\n", stderr); } static void help(const Option *o, const char *val) { printusage(stdout); if (ferror(stdout) || fflush(stdout)) { perror("innduct: writing help"); exit(12); } exit(0); } static void convert_to_periods_rndup(int *store) { *store += period_seconds-1; *store /= period_seconds; } static int path_ends_slash(const char *specified) { int l= strlen(specified); assert(l); return specified[l-1] == '/'; } static int innduct_fatal_cleanup(void) { return 12; } /* used for libinn die */ int main(int argc, char **argv) { /* set up libinn logging */ message_program_name= "innduct"; message_fatal_cleanup= innduct_fatal_cleanup; #define INNLOGSET_CALL(fn, pfx, sysloglevel) \ message_handlers_##fn(1, duct_log_##fn); INNLOGSETS(INNLOGSET_CALL) if (!argv[1]) { printusage(stderr); printcopyright(stderr); exit(8); } parse_options(innduct_options, &argv); /* arguments */ sitename= *argv++; if (!sitename) badusage("need site name argument"); if (*argv) remote_host= *argv++; else remote_host= sitename; if (*argv) badusage("too many non-option arguments"); /* defaults */ int r= innconf_read(inndconffile); if (!r) badusage("could not read inn.conf"); if (!remote_host) remote_host= sitename; if (nocheck_thresh < 0 || nocheck_thresh > 100) badusage("nocheck threshold percentage must be between 0..100"); nocheck_thresh *= 0.01; if (nocheck_decay < 0.1) badusage("nocheck decay articles must be at least 0.1"); nocheck_decay= pow(0.5, 1.0/nocheck_decay); convert_to_periods_rndup(&reconnect_delay_periods); convert_to_periods_rndup(&flushfail_retry_periods); convert_to_periods_rndup(&backlog_retry_minperiods); convert_to_periods_rndup(&backlog_spontrescan_periods); convert_to_periods_rndup(&spontaneous_flush_periods); convert_to_periods_rndup(&max_separated_periods); convert_to_periods_rndup(&need_activity_periods); convert_to_periods_rndup(&stats_log_periods); convert_to_periods_rndup(&lowvol_periods); if (max_bad_data_ratio < 0 || max_bad_data_ratio > 100) badusage("bad input data ratio must be between 0..100"); max_bad_data_ratio *= 0.01; if (!path_run) path_run= innconf->pathrun; if (!feedfile) feedfile= sitename; if (!feedfile[0]) badusage("feed filename, if specified, must be nonempty"); if (path_ends_slash(feedfile)) feedfile= masprintf("%s%s", feedfile, sitename); if (feedfile[0] != '/') feedfile= masprintf("%s/%s", innconf->pathoutgoing, feedfile); if (!path_cli) { path_cli_dir= "innduct"; } else if (!path_cli[0] || !strcmp(path_cli,"none")) { path_cli= 0; /* ok, don't then */ } else if (path_ends_slash(path_cli)) { path_cli_dir= masprintf("%.*s", (int)(strlen(path_cli)-1), path_cli); } if (path_cli_dir) path_cli= masprintf("%s/%s", path_cli_dir, sitename); if (max_queue_per_ipf<0) max_queue_per_ipf= max_queue_per_conn * 2; const char *feedfile_forbidden= "?*[~#"; int c; while ((c= *feedfile_forbidden++)) if (strchr(feedfile, c)) badusage("feed filename may not contain metacharacter %c",c); int i; lowvol_perperiod= xcalloc(sizeof(*lowvol_perperiod), lowvol_periods); for (i=0; i= 2) cli_stdio(); cli_init(); int filemon_ok= 0; if (!try_filemon) { notice("filemon: suppressed by command line option, polling"); } else { filemon_ok= filemon_method_init(); if (!filemon_ok) warn("filemon: no file monitoring available, polling"); } if (!filemon_ok) every(filepoll_seconds,0,filepoll); every(period_seconds,1,period); statemc_init(); /* let's go */ void *run= oop_sys_run(sysloop); assert(run == OOP_ERROR); syscrash("event loop failed"); } work/filemon.c0000664000000000000000000001003614557012014010524 0ustar /* * innduct * tailing reliable realtime streaming feeder for inn * filemon.c - file monitoring (inotify, kqueue, poll, etc.) * * Copyright Ian Jackson * and contributors; see LICENCE.txt. * SPDX-License-Identifier: GPL-3.0-or-later */ #include "innduct.h" /*---------- filemon implemented with inotify ----------*/ #if defined(HAVE_SYS_INOTIFY_H) && !defined(HAVE_FILEMON) #define HAVE_FILEMON #include DEFLIST(Filemon_Perfile); struct Filemon_Perfile { ISNODE(Filemon_Perfile); InputFile *ipf; int wd; }; static int filemon_inotify_fd; static Filemon_PerfileList filemon_inotify_watches; static void filemon_method_startfile(InputFile *ipf, Filemon_Perfile *pf) { pf->ipf= ipf; pf->wd= inotify_add_watch(filemon_inotify_fd, ipf->path, IN_MODIFY); if (pf->wd < 0) sysdie("filemon inotify: inotify_add_watch %s", ipf->path); LIST_ADDHEAD(filemon_inotify_watches, pf); dbg("filemon inotify: startfile %p wd=%d pf=%p", ipf, pf->wd, pf); } static void filemon_method_stopfile(InputFile *ipf, Filemon_Perfile *pf) { dbg("filemon inotify: stopfile %p wd=%d pf=%p", ipf, pf->wd, pf); int r= inotify_rm_watch(filemon_inotify_fd, pf->wd); if (r) syscrash("filemon inotify: inotify_rm_watch"); LIST_REMOVE(filemon_inotify_watches, pf); } static void *filemon_inotify_readable(oop_source *lp, int fd, oop_event e, void *u) { struct inotify_event iev; InputFile *ipf; for (;;) { int r= read(filemon_inotify_fd, &iev, sizeof(iev)); if (r==-1) { if (isewouldblock(errno)) break; syscrash("filemon inotify: read from inotify master"); } else if (r!=sizeof(iev)) { crash("filemon inotify: read %d bytes when wanted struct of %d", r, (int)sizeof(iev)); } Filemon_Perfile *pf; FOR_LIST_NODE(pf, filemon_inotify_watches) if (pf->wd == iev.wd) goto found; /* Linux seems to remember events and can produce them even after * you've removed the watch. This means that we can't spot bugs * where we lose track of our watches and have to just regard * unexpected random watch events as normal. It's not a * correctness problem as the watch is just a prod to read a file, * which is harmless if it does not need to be read. */ dbg("filemon inotify: read event with unknown wd=%d", iev.wd); continue; found: ipf= pf->ipf; /*dbg("filemon inotify readable read %p wd=%d", ipf, iev.wd);*/ tailing_make_readable(ipf); } return OOP_CONTINUE; } int filemon_method_init(void) { LIST_INIT(filemon_inotify_watches); filemon_inotify_fd= inotify_init(); if (filemon_inotify_fd<0) { syswarn("filemon inotify: inotify_init failed"); return 0; } xsetnonblock(filemon_inotify_fd, 1); loop->on_fd(loop, filemon_inotify_fd, OOP_READ, filemon_inotify_readable, 0); dbg("filemon inotify: init filemon_inotify_fd=%d", filemon_inotify_fd); return 1; } void filemon_method_dump_info(FILE *f) { fprintf(f,"inotify"); DUMPV("%d",,filemon_inotify_fd); DUMPV("%d",filemon_inotify_watches.,count); fprintf(f,"\n"); Filemon_Perfile *pf; FOR_LIST_NODE(pf, filemon_inotify_watches) fprintf(f," watching %p wd=%d pf=%p\n", pf->ipf, pf->wd, pf); } #endif /* HAVE_INOTIFY && !HAVE_FILEMON */ /*---------- filemon dummy implementation ----------*/ #if !defined(HAVE_FILEMON) struct Filemon_Perfile { int dummy; }; int filemon_method_init(void) { warn("filemon dummy: no filemon method compiled in"); return 0; } static void filemon_method_startfile(InputFile *ipf, Filemon_Perfile *pf) { } static void filemon_method_stopfile(InputFile *ipf, Filemon_Perfile *pf) { } void filemon_method_dump_info(FILE *f) { fprintf(f,"dummy\n"); } #endif /* !HAVE_FILEMON */ /*---------- filemon generic interface ----------*/ void filemon_start(InputFile *ipf) { assert(!ipf->filemon); NEW(ipf->filemon); filemon_method_startfile(ipf, ipf->filemon); } void filemon_stop(InputFile *ipf) { if (!ipf->filemon) return; filemon_method_stopfile(ipf, ipf->filemon); free(ipf->filemon); ipf->filemon= 0; } work/help.c0000664000000000000000000001554414557012014010034 0ustar /* * innduct * tailing reliable realtime streaming feeder for inn * help.c - logging and utility functions * * Copyright Ian Jackson * and contributors; see LICENCE.txt. * SPDX-License-Identifier: GPL-3.0-or-later */ #include "innduct.h" /* for logging, simulation, debugging, etc. */ int simulate_flush= -1; int logv_use_syslog; const char *logv_prefix=""; /*========== logging ==========*/ static void logcore(int sysloglevel, const char *fmt, ...) PRINTF(2,3); static void logcore(int sysloglevel, const char *fmt, ...) { VA; if (logv_use_syslog) { vsyslog(sysloglevel,fmt,al); } else { if (self_pid) fprintf(stderr,"[%lu] ",(unsigned long)self_pid); vfprintf(stderr,fmt,al); putc('\n',stderr); } va_end(al); } void logv(int sysloglevel, const char *pfx, int errnoval, const char *fmt, va_list al) { char msgbuf[1024]; /* NB do not call mvasprintf here or you'll recurse */ vsnprintf(msgbuf,sizeof(msgbuf), fmt,al); msgbuf[sizeof(msgbuf)-1]= 0; if (sysloglevel >= LOG_ERR && (errnoval==EACCES || errnoval==EPERM)) sysloglevel= LOG_ERR; /* run by wrong user, probably */ logcore(sysloglevel, "%s%s: %s%s%s", logv_prefix, pfx, msgbuf, errnoval>=0 ? ": " : "", errnoval>=0 ? strerror(errnoval) : ""); } #define DEFFATAL(fn, pfx, sysloglevel, err, estatus) \ void fn(const char *fmt, ...) { \ preterminate(); \ VA; \ logv(sysloglevel, pfx, err, fmt, al); \ exit(estatus); \ } #define DEFLOG(fn, pfx, sysloglevel, err) \ void fn(const char *fmt, ...) { \ VA; \ logv(sysloglevel, pfx, err, fmt, al); \ va_end(al); \ } #define INNLOGSET_DEFINE(fn, pfx, sysloglevel) \ void duct_log_##fn(int l, const char *fmt, va_list al, int errval) { \ logv(sysloglevel, pfx, errval ? errval : -1, fmt, al); \ } /* We want to extend the set of logging functions from inn, and we * want to prepend the site name to all our messages. */ DEFFATAL(syscrash, "critical", LOG_CRIT, errno, 16); DEFFATAL(crash, "critical", LOG_CRIT, -1, 16); INNLOGSETS(INNLOGSET_DEFINE) DEFLOG(info, "info", LOG_INFO, -1) DEFLOG(dbg, "debug", LOG_DEBUG, -1) /*========== utility functions etc. ==========*/ char *mvasprintf(const char *fmt, va_list al) { char *str; int rc= vasprintf(&str,fmt,al); if (rc<0) sysdie("vasprintf(\"%s\",...) failed", fmt); return str; } char *masprintf(const char *fmt, ...) { VA; char *str= mvasprintf(fmt,al); va_end(al); return str; } int close_perhaps(int *fd) { if (*fd <= 0) return 0; int r= close(*fd); *fd=0; return r; } void xclose(int fd, const char *what, const char *what2) { int r= close(fd); if (r) syscrash("close %s%s",what,what2?what2:""); } void xclose_perhaps(int *fd, const char *what, const char *what2) { if (*fd <= 0) return; xclose(*fd,what,what2); *fd=0; } pid_t xfork_bare(const char *what) { pid_t child= fork(); if (child==-1) sysdie("cannot fork for %s",what); dbg("forked %s %ld", what, (unsigned long)child); return child; } pid_t xfork(const char *what) { pid_t child= xfork_bare(what); if (!child) postfork(); return child; } void on_fd_read_except(int fd, oop_call_fd callback) { loop->on_fd(loop, fd, OOP_READ, callback, 0); loop->on_fd(loop, fd, OOP_EXCEPTION, callback, 0); } void cancel_fd_read_except(int fd) { loop->cancel_fd(loop, fd, OOP_READ); loop->cancel_fd(loop, fd, OOP_EXCEPTION); } void report_child_status(const char *what, int status) { if (WIFEXITED(status)) { int es= WEXITSTATUS(status); if (es) warn("%s: child died with error exit status %d", what, es); } else if (WIFSIGNALED(status)) { int sig= WTERMSIG(status); const char *sigstr= strsignal(sig); const char *coredump= WCOREDUMP(status) ? " (core dumped)" : ""; if (sigstr) warn("%s: child died due to fatal signal %s%s", what, sigstr, coredump); else warn("%s: child died due to unknown fatal signal %d%s", what, sig, coredump); } else { warn("%s: child died with unknown wait status %d", what,status); } } int xwaitpid(pid_t *pid, const char *what) { int status; int r= kill(*pid, SIGKILL); if (r) syscrash("cannot kill %s child", what); pid_t got= waitpid(*pid, &status, 0); if (got==-1) syscrash("cannot reap %s child", what); if (got==0) crash("cannot reap %s child", what); *pid= 0; return status; } void *zxmalloc(size_t sz) { void *p= xmalloc(sz); memset(p,0,sz); return p; } void xunlink(const char *path, const char *what) { int r= unlink(path); if (r) syscrash("can't unlink %s %s", path, what); } time_t xtime(void) { time_t now= time(0); if (now==-1) syscrash("time(2) failed"); return now; } void xsigaction(int signo, const struct sigaction *sa) { int r= sigaction(signo,sa,0); if (r) syscrash("sigaction failed for \"%s\"", strsignal(signo)); } void xsigsetdefault(int signo) { struct sigaction sa; memset(&sa,0,sizeof(sa)); sa.sa_handler= SIG_DFL; xsigaction(signo,&sa); } void raise_default(int signo) { xsigsetdefault(signo); raise(signo); abort(); } void xgettimeofday(struct timeval *tv_r) { int r= gettimeofday(tv_r,0); if (r) syscrash("gettimeofday(2) failed"); } void xsetnonblock(int fd, int nonb) { int errnoval= oop_fd_nonblock(fd, nonb); if (errnoval) { errno= errnoval; syscrash("setnonblocking"); } } void check_isreg(const struct stat *stab, const char *path, const char *what) { if (!S_ISREG(stab->st_mode)) crash("%s %s not a plain file (mode 0%lo)", what, path, (unsigned long)stab->st_mode); } void xfstat(int fd, struct stat *stab_r, const char *what) { int r= fstat(fd, stab_r); if (r) syscrash("could not fstat %s", what); } void xfstat_isreg(int fd, struct stat *stab_r, const char *path, const char *what) { xfstat(fd, stab_r, what); check_isreg(stab_r, path, what); } void xlstat_isreg(const char *path, struct stat *stab, int *enoent_r /* 0 means ENOENT is fatal */, const char *what) { int r= lstat(path, stab); if (r) { if (errno==ENOENT && enoent_r) { *enoent_r=1; return; } syscrash("could not lstat %s %s", what, path); } if (enoent_r) *enoent_r= 0; check_isreg(stab, path, what); } int samefile(const struct stat *a, const struct stat *b) { assert(S_ISREG(a->st_mode)); assert(S_ISREG(b->st_mode)); return (a->st_ino == b->st_ino && a->st_dev == b->st_dev); } char *sanitise(const char *input, int len) { static char sanibuf[100]; /* returns pointer to this buffer! */ const char *p= input; const char *endp= len>=0 ? input+len : 0; char *q= sanibuf; *q++= '`'; for (;;) { if (q > sanibuf+sizeof(sanibuf)-8) { strcpy(q,"'.."); break; } int c= (!endp || p=' ' && c<=126 && c!='\\') { *q++= c; continue; } sprintf(q,"\\x%02x",c); q += 4; } return sanibuf; } work/infile.c0000664000000000000000000002276214557012014010352 0ustar /* * innduct * tailing reliable realtime streaming feeder for inn * infile.c - monitoring and handling of input files * * Copyright Ian Jackson * and contributors; see LICENCE.txt. * SPDX-License-Identifier: GPL-3.0-or-later */ #include "innduct.h" /*========== monitoring of input files ==========*/ static void feedfile_eof(InputFile *ipf) { assert(ipf != main_input_file); /* promised by tailing_try_read */ inputfile_reading_stop(ipf); if (ipf == flushing_input_file) { assert(sms==sm_SEPARATED || sms==sm_DROPPING); if (main_input_file) inputfile_reading_start(main_input_file); statemc_check_flushing_done(); } else if (ipf == backlog_input_file) { statemc_check_backlog_done(); } else { abort(); /* supposed to wait rather than get EOF on main input file */ } } InputFile *open_input_file(const char *path) { int fd= open(path, O_RDWR); if (fd<0) { if (errno==ENOENT) return 0; sysdie("unable to open input file %s", path); } assert(fd>0); InputFile *ipf= xmalloc(sizeof(*ipf) + strlen(path) + 1); memset(ipf,0,sizeof(*ipf)); ipf->fd= fd; ipf->autodefer= -1; LIST_INIT(ipf->queue); strcpy(ipf->path, path); dbg("started input file %p %s", ipf, path); return ipf; } void close_input_file(InputFile *ipf) { /* does not free */ assert(!ipf->readable_callback); /* must have had ->on_cancel */ assert(!ipf->filemon); /* must have had inputfile_reading_stop */ assert(!ipf->rd); /* must have had inputfile_reading_stop */ assert(!ipf->inprogress); /* no dangling pointers pointing here */ xclose_perhaps(&ipf->fd, "input file ", ipf->path); } /*---------- dealing with articles read in the input file ----------*/ static void *feedfile_got_bad_data(InputFile *ipf, off_t offset, const char *data, const char *how) { warn("corrupted file: %s, offset %lu: %s: in %s", ipf->path, (unsigned long)offset, how, sanitise(data,-1)); ipf->counts.events[read_err]++; if (ipf->counts.events[read_err] > max_bad_data_initial + (ipf->counts.events[read_ok] + ipf->counts.events[read_blank]) / max_bad_data_ratio) crash("too much garbage in input file! (%d errs, %d ok, %d blank)", ipf->counts.events[read_err], ipf->counts.events[read_ok], ipf->counts.events[read_blank]); return OOP_CONTINUE; } static void *feedfile_read_err(oop_source *lp, oop_read *rd, oop_rd_event ev, const char *errmsg, int errnoval, const char *data, size_t recsz, void *ipf_v) { InputFile *ipf= ipf_v; assert(ev == OOP_RD_SYSTEM); errno= errnoval; syscrash("error reading input file: %s, offset %lu", ipf->path, (unsigned long)ipf->offset); } static void *feedfile_got_article(oop_source *lp, oop_read *rd, oop_rd_event ev, const char *errmsg, int errnoval, const char *data, size_t recsz, void *ipf_v) { InputFile *ipf= ipf_v; Article *art; char tokentextbuf[sizeof(TOKEN)*2+3]; if (!data) { feedfile_eof(ipf); return OOP_CONTINUE; } off_t old_offset= ipf->offset; ipf->offset += recsz + !!(ev == OOP_RD_OK); #define X_BAD_DATA(m) return feedfile_got_bad_data(ipf,old_offset,data,m); if (ev==OOP_RD_PARTREC) feedfile_got_bad_data(ipf,old_offset,data,"missing final newline"); /* but process it anyway */ if (ipf->skippinglong) { if (ev==OOP_RD_OK) ipf->skippinglong= 0; /* fine now */ return OOP_CONTINUE; } if (ev==OOP_RD_LONG) { ipf->skippinglong= 1; X_BAD_DATA("overly long line"); } if (memchr(data,'\0',recsz)) X_BAD_DATA("nul byte"); if (!recsz) X_BAD_DATA("empty line"); if (data[0]==' ') { if (strspn(data," ") != recsz) X_BAD_DATA("line partially blanked"); ipf->counts.events[read_blank]++; return OOP_CONTINUE; } char *space= strchr(data,' '); int tokenlen= space-data; int midlen= (int)recsz-tokenlen-1; if (midlen <= 2) X_BAD_DATA("no room for messageid"); if (space[1]!='<' || space[midlen]!='>') X_BAD_DATA("invalid messageid"); if (tokenlen != sizeof(TOKEN)*2+2) X_BAD_DATA("token wrong length"); memcpy(tokentextbuf, data, tokenlen); tokentextbuf[tokenlen]= 0; if (!IsToken(tokentextbuf)) X_BAD_DATA("token wrong syntax"); ipf->counts.events[read_ok]++; art= xmalloc(sizeof(*art) - 1 + midlen + 1); memset(art,0,sizeof(*art)); art->state= art_Unchecked; art->midlen= midlen; art->ipf= ipf; ipf->inprogress++; art->token= TextToToken(tokentextbuf); art->offset= old_offset; art->blanklen= recsz; strcpy(art->messageid, space+1); if (ipf->autodefer >= 0) { article_autodefer(ipf, art); } else { LIST_ADDTAIL(ipf->queue, art); if (ipf==backlog_input_file) article_check_expired(art); } if (sms==sm_NORMAL && ipf==main_input_file && ipf->offset >= target_max_feedfile_size) statemc_start_flush("feed file size"); check_assign_articles(); /* may destroy conn but that's OK */ check_reading_pause_resume(ipf); return OOP_CONTINUE; } /*========== tailing input file ==========*/ static void tailing_rable_on_time(InputFile *ipf); static void *tailing_rable_call_time(oop_source *lp, struct timeval tv, void *user) { /* lifetime of ipf here is OK because destruction will cause * on_cancel which will cancel this callback */ InputFile *ipf= user; //dbg("**TRACT** ipf=%p called",ipf); if (!ipf->fake_readable) return OOP_CONTINUE; /* we just keep calling readable until our caller (oop_rd) * has called try_read, and try_read has found EOF so given EAGAIN */ //dbg("**TRACT** ipf=%p reschedule",ipf); tailing_rable_on_time(ipf); assert(ipf->readable_callback); return ipf->readable_callback(loop, &ipf->readable, ipf->readable_callback_user); } static void tailing_rable_on_time(InputFile *ipf) { loop->cancel_time(loop, OOP_TIME_NOW, tailing_rable_call_time, ipf); loop->on_time(loop, OOP_TIME_NOW, tailing_rable_call_time, ipf); /* on_time is not idempotent - it counts. So we need this to make * sure we only have one outstanding, as otherwise our cancel doesn't work */ } static void tailing_on_cancel(struct oop_readable *rable) { InputFile *ipf= (void*)rable; //dbg("**TOR** ipf=%p on_cancel",ipf); if (ipf->filemon) filemon_stop(ipf); //dbg("**TRACT** ipf=%p cancel",ipf); loop->cancel_time(loop, OOP_TIME_NOW, tailing_rable_call_time, ipf); ipf->readable_callback= 0; } void tailing_make_readable(InputFile *ipf) { //dbg("**TRACT** ipf=%p makereadable rcb=%p",ipf, // (void*)ipf?ipf->readable_callback:0); if (!ipf || !ipf->readable_callback) /* so callers can be naive */ return; ipf->fake_readable= 1; tailing_rable_on_time(ipf); } static int tailing_on_readable(struct oop_readable *rable, oop_readable_call *cb, void *user) { InputFile *ipf= (void*)rable; //dbg("**TOR** ipf=%p on_readable",ipf); tailing_on_cancel(rable); ipf->readable_callback= cb; ipf->readable_callback_user= user; filemon_start(ipf); tailing_make_readable(ipf); return 0; } static ssize_t tailing_try_read(struct oop_readable *rable, void *buffer, size_t length) { InputFile *ipf= (void*)rable; for (;;) { ssize_t r= read(ipf->fd, buffer, length); if (r==-1) { if (errno==EINTR) continue; ipf->fake_readable= 0; return r; } if (!r) { if (ipf==main_input_file) { errno=EAGAIN; ipf->fake_readable= 0; return -1; } else if (ipf==flushing_input_file) { assert(ipf->rd); assert(sms==sm_SEPARATED || sms==sm_DROPPING); } else if (ipf==backlog_input_file) { assert(ipf->rd); } else { abort(); } } //dbg("**TOR** ipf=%p try_read r=%d",ipf,r); return r; } } /*---------- interface to start and stop an input file ----------*/ static const oop_rd_style feedfile_rdstyle= { OOP_RD_DELIM_STRIP, '\n', OOP_RD_NUL_PERMIT, OOP_RD_SHORTREC_LONG, }; void inputfile_reading_resume(InputFile *ipf) { if (!ipf->rd) return; if (!ipf->paused) return; int r= oop_rd_read(ipf->rd, &feedfile_rdstyle, MAX_LINE_FEEDFILE, feedfile_got_article,ipf, feedfile_read_err, ipf); if (r) syscrash("unable start reading feedfile %s",ipf->path); ipf->paused= 0; } void inputfile_reading_pause(InputFile *ipf) { if (!ipf->rd) return; if (ipf->paused) return; oop_rd_cancel(ipf->rd); ipf->paused= 1; } void inputfile_reading_start(InputFile *ipf) { assert(!ipf->rd); ipf->readable.on_readable= tailing_on_readable; ipf->readable.on_cancel= tailing_on_cancel; ipf->readable.try_read= tailing_try_read; ipf->readable.delete_tidy= 0; /* we never call oop_rd_delete_{tidy,kill} */ ipf->readable.delete_kill= 0; ipf->readable_callback= 0; ipf->readable_callback_user= 0; ipf->rd= oop_rd_new(loop, &ipf->readable, 0,0); assert(ipf->rd); ipf->paused= 1; inputfile_reading_resume(ipf); } void inputfile_reading_stop(InputFile *ipf) { assert(ipf->rd); inputfile_reading_pause(ipf); oop_rd_delete(ipf->rd); ipf->rd= 0; assert(!ipf->filemon); /* we shouldn't be monitoring it now */ } void filepoll(void) { tailing_make_readable(main_input_file); tailing_make_readable(flushing_input_file); } char *dbg_report_ipf(InputFile *ipf) { if (!ipf) return masprintf("none"); const char *slash= strrchr(ipf->path,'/'); const char *path= slash ? slash+1 : ipf->path; return masprintf("%p/%s:queue=%d,ip=%ld,autodef=%ld,off=%ld,fd=%d%s%s%s", ipf, path, ipf->queue.count, ipf->inprogress, ipf->autodefer, (long)ipf->offset, ipf->fd, ipf->rd ? "" : ",!rd", ipf->skippinglong ? "*skiplong" : "", ipf->rd && ipf->paused ? "*paused" : ""); } work/innduct-forall0000775000000000000000000000265014557012014011601 0ustar #!/usr/bin/perl -w use strict qw(vars refs); use IO::Handle; our $self= 'innduct-forall'; our $deftable= '/etc/news/ducts.table'; our $usage=<] where is a sh command and may contain !site site name !fqdn fqdn or empty string !opts innduct options !duct shorthand for !opts !site !fqdn !! single ! default ducts-table is $deftable END die "$self: bad usage\n$usage" unless @ARGV>=1 && @ARGV<=2 && $ARGV[0] !~ m/^\-/; our $table= (@ARGV>1 ? shift @ARGV : $deftable); our $pattern= shift @ARGV; our $maxexit= 0; open T, '<', $table or die "$self: $table: $!\n"; while () { s/^\s*//; s/\s+$//; next unless m/^[^\#]/; my @v= split /\s+/, $_, 3; my %c; foreach my $f (qw(site fqdn opts)) { my $v= shift @v; $v='' unless defined $v; $c{$f}= $v; } $c{'fqdn'}= $c{'site'} if $c{'fqdn'} eq '='; $c{'duct'}= "$c{opts} $c{site} $c{fqdn}"; $c{'!'}= '!'; $_= $pattern; s/\!(\w+|\!)/ my $v= $c{$1}; die "$self: unknown substitution $1\n" unless defined $v; $v; /ge; my $r= system $_; die "$self: run command: $!\n" if $r<0; warn "$self: $c{site}: wait status $r: $_\n" if $r>0; $r |= 128 if $r>0 && $r<128; $r>>=8 if $r>=256; $maxexit=$r if $r>$maxexit; } die "$self: $table: read: $!\n" if T->error; close T or die "$self: table: close: $!\n"; exit $maxexit; work/innduct-stats-report0000775000000000000000000000474014557012014012773 0ustar #!/usr/bin/perl use warnings; use strict; use Data::Dumper; our %counts; # Input lines look like this: # May 23 19:00:02 chiark innduct[23236]: news.relativity.greenend.org.uk| info: completed feedfile read=76 (+bl=7,+err=0) missing=0 offered=76 (ch=76,nc=0) accepted=75 (ch=75,nc=0) unwanted=1 (id=1,bod=0,nc=0) rejected=0 (id=0,bod=0,nc=0) deferred=0 (id=0,bod=0,nc=0) missing=0 (id=0,bod=0,nc=0) connretry=0 (id=0,bod=0,nc=0) if (@ARGV && $ARGV[0] =~ m/^\-/) { die "$0: bad usage: no options supported\n"; } while (<>) { next unless m/^ [:0-9A-Za-z ]+[ ] \w+[ ] innduct\[\d+\]:[ ] ([^|<>: \t]+)\|[ ] (?: info | notice ):[ ] (?: completed | processed )[ ] .*? ( (?: [ ] (?: \w+ = \d+ | \( [=+,0-9a-z]+ \) ) )+ ) $/x; my ($site,$strs) = ($1,$2); die unless $strs =~ m/^ read=/; my $cur; $strs .= ' '; my $c= \%{ $counts{$site} }; #print Dumper($c); for (;;) { if ($strs =~ s/^[ ] (\w+) = (\d+) [ ]/ /x) { $cur= $1; $c->{$cur} += $2; } elsif ($strs =~ s/^ [ ] \( ( \+? \w+ ) = (\d+) (?: , ([^()]+) )? \) [ ]/ sprintf " (%s) ", defined $3 ? $3 : '' /xe) { $c->{"${cur}_$1"} += $2; } elsif ($strs =~ s/^ \(\) / /) { } elsif ($strs eq ' ') { last; } else { die "$_ // $strs ?"; } } # print "$site|"; # foreach my $k (sort keys %$c) { printf " %s=%d", $k, $c->{$k}; } # print "\n"; } #print STDERR Dumper(\%counts);; our $cwr; our $site; our $processed; foreach $site (sort keys %counts) { $cwr= $counts{$site}; $processed= $cwr->{offered} - $cwr->{deferred}; write; } sub pct ($$) { my ($dend,$dor) = @_; return undef unless defined($dend) and $dor; return $dend * 100.0 / $dor; } sub amt ($) { my ($v) = @_; return '' unless defined $v; if ($v < 9999) { return sprintf "%4d ", $v; } if ($v < 9999e3) { return sprintf "%4dk", ($v / 1e3); } return sprintf "%4dm", ($v / 1e3); } format STDOUT_TOP = offrd defer acctd unwtd rejtd df% ac% rj% nochk nc% . format STDOUT = @>>>> @>>>> @>>>> @>>>> @>>>> ^## ^## ^## @>>>> ^## @<<<<<<<<<<<<<<<<<<<<<<<... { (map { amt($cwr->{$_}) } qw(offered deferred accepted unwanted rejected)), (pct($cwr->{deferred}, $cwr->{offered})), (map { pct($cwr->{$_}, $processed) } qw(accepted rejected)), ($cwr->{offered_nc} ? (amt($cwr->{offered_nc}), pct($cwr->{offered_nc}, $processed)) : ('',undef)), ($site) } . work/innduct-stats-report.80000664000000000000000000000114714557012014013134 0ustar '\" t .TH INNDUCT-STATS-REPORT 8 .SH NAME innduct-stats-report \- summarise transfer statistics logged by innduct .SH SYNOPSIS .B innduct-stats-report .RI [logfile .IR ...] .SH DESCRIPTION .B innduct-stats-report reads logfiles mentioned on its command line, or a single logfile stream fed on stdin, and produces a summary listing of articles logged by innnduct instances, one line per site. .SH BUGS How to deal with long site names should be configurable. In general more flexibility and functionality would be good. .SH HISTORY Written by Ian Jackson .SH "SEE ALSO" innduct(8) work/innduct.80000664000000000000000000004736114557012014010477 0ustar '\" t .TH INNDUCT 8 .SH NAME innduct \- quickly and reliably stream Usenet articles to remote site .SH SYNOPSIS .B innduct .RI [ options ] .I site .RI [ fqdn ] .SH DESCRIPTION .B innduct implements NNTP peer-to-peer news transmission including the streaming extensions, for sending news articles to a remote site. It is intended as a replacement for .B innfeed or .BR nntpsend and .BR innxmit . You need to run one instance of innduct for each peer site. innduct manages its interaction with .BR innd , including flushing the feed as appropriate, etc., so that articles are transmitted quickly, and manages the retransmission of its own backlog. innduct includes the locking necessary to avoid multiple simutaneous invocations. By default, innduct reads the default feedfile corresponding to the site .I site (ie .IR pathoutgoing / site ) and feeds it via NNTP, streaming if possible, to the host .IR fqdn . If .I fqdn is not specified, it defaults to .IR site . innduct daemonises after argument parsing, and all logging (including error messages) are sent to syslog (facility .BR news ). The best way to run innduct is probably to periodically invoke it for each feed (e.g. from cron), passing the .B \-q option to arrange that innduct silently exits if an instance is already running for that site. .SH GENERAL OPTIONS .TP .BR \-f | \-\-feedfile= \fIDIR\fR / |\fIPATH\fR Specifies the .I feedfile to read, and indirectly specifies the paths to be used for various associated files (see FILES, below). If specified as .IB DIR / it is taken as a directory to use, and the actual feed file used is .IR path / site . If .I PATH or .I DIR does not start with a .BR / , it is taken to be relative to .IR pathoutgoing from inn.conf. The default is .IR site . .TP .BR \-q | \-\-quiet-multiple Makes innduct silently exit (with status 0) if another innduct holds the lock for the site. Without \fB-q\fR, this causes a fatal error to be logged and a nonzero exit. .TP .BR \-\-no-daemon Do not daemonise. innduct runs in the foreground, but otherwise operates normally (logging to syslog, etc.). .TP .BR \-\-interactive Do not daemonise. innduct runs in the foreground and all messages (including all debug messages) are written to stderr rather than syslog. A control command line is also available on stdin/stdout. .TP .BI \-\-no-streaming Do not try to use the streaming extensions to NNTP (for use eg if the peer can't cope when we send MODE STREAM). .TP .BI \-\-no-filemon Do not try to use the file change monitoring support to watch for writes by innd to the feed file; poll it instead. (If file monitoring is not compiled in, this option just downgrades the log message which warns about this situation.) .TP .BR \-C | \-\-inndconf= \fIFILE\fR Read .I FILE instead of the default .BR inn.conf . .TP .BI \-\-port= PORT Connect to port .I PORT at the remote site rather than to the NNTP port (119). .TP .BI \-\-chdir= PATHRUN Change directory to .IR pathrun at startup. The default is .I pathrun from inn.conf. .TP .BR \-\-cli= \fICLI-DIR\fR / |\fICLI-PATH\fR| none Listen for control command line connections on .IB CLI-DIR / site (if the value ends with a .BR /) or .I CLI-PATH (if it doesn't). See CONTROLLING INNDUCT, below. Note that there is a fairly short limit on the lengths of AF_UNIX socket pathnames. If specified as .IR CLI-DIR \fB/\fR, the directory will be created with mode 700 if necessary. The default is .B innduct/ which means to create that directory in .I PATHRUN and listen on .RB \fIPATHRUN\fR /innduct/ \fIsite\fR. .TP .BI \-\-help Just print a brief usage message and list of the options to stdout. .LP See TUNING OPTIONS below for more options. .SH CONTROLLING INNDUCT If you tell innd to drop the feed, innduct will (when it notices, which will normally be the next time it decides to flush) finish up the articles it has in hand now, and then exit. It is harmless to cause innd to flush the feed (but innduct won't notice and flushing won't start a new feedfile; you have to leave that to innduct). .LP If you want to stop innduct you can send it SIGTERM or SIGINT, or the .B stop control command, in which case it will report statistics so far and quickly exit. If innduct receives SIGKILL nothing will be broken or corrupted; you just won't see some of the article stats. .LP innduct listens on an AF_UNIX socket (by default, .IR pathrun \fB/innduct/\fR site ), and provides a command-line interface which can be used to trigger various events and for debugging. When a connection arrives, innduct writes a prompt, reads commands a line at a time, and writes any output back to the caller. (Everything uses unix line endings.) The cli can most easily be accessed with a program like .I netcat-openbsd (eg .B nc.openbsd -U .RI \fB/var/run/news/innduct/\fR site ) or .IR socat . The prompt is .IR site \fB|\fR. .LP The following control commands are supported: .TP .B h Print a list of all the commands understood. This list includes undocumented commands which mess with innduct's internal state and should only be used by a developer in conjuction with the innduct source code. .TP .B flush Start a new feed file and trigger a flush of the feed. (Or, cause the .I FLUSH-FINISH-PERIOD to expire early, forcibly completing a previously started flush.) .TP .B stop Log statistics and exit. (Same effect as SIGTERM or SIGINT.) .TP .B logstats Log statistics so far and zero the stats counters. Stats are also logged periodically, when an input file is completed and just before tidy termination. .TP .BR show Writes summary information about innduct's state to the current CLI connection. .TP .BR "dump q" | a Writes the same information about innduct's state to a plain text file .IR feedfile \fB_dump\fR. This overwrites any previous dump. innduct does not ever delete these dump files. .B "dump q" gives a summary including general state and a list of connections; .B "dump a" also includes information about each article innduct is dealing with. .TP .B next blscan Requests that innduct rescan for new backlog files at the next .I PERIOD poll. Normally innduct assumes that any backlog files dropped in by the administrator are not urgent, and it may not get around to noticing them for .IR BACKLOG-SCAN-PERIOD . .TP .B next conn Resets the connection startup delay counter so that innduct may consider making a new connection to the peer right away, regardless of the setting of .IR RECONNECT-PERIOD . A connection attempt will still only be made if innduct feels that it needs one, and innduct may wait up to .I PERIOD before actually starting the attempt. .SH TUNING OPTIONS You should not normally need to adjust these. Time intervals may specified in seconds, or as a number followed by one of the following units: .BR "s m h d" , .BR "sec min hour day" , .BR "das hs ks Ms" . .TP .BI \-\-max-connections= max Restricts the maximum number of simultaneous NNTP connections per peer to .IR max . There is no global limit on the number of connections used by all innducts, as the instances for different sites are entirely independent. The default is .BR 10 . .TP .BI \-\-max-queue-per-conn= per-conn-max Restricts the maximum number of outstanding articles queued on any particular connection to .IR max . (Non-streaming connections can only handle one article at a time.) The default is .BR 200 . .TP .BI \-\-max-queue-per-file= max Restricts the maximum number articles read into core from any one input file to .IR max . The default is .B twice .IR per-conn-max . .TP .BI \-\-feedfile-flush-size= bytes Specifies that innduct should flush the feed and start a new feedfile when the existing feedfile size exceeds .IR bytes ; the effect is that the innduct will try to avoid the various batchfiles growing much beyond this size. The default is .BR 100000 . .TP .BI \-\-period-interval= PERIOD-INTERVAL Specifies wakup interval and period granularity. innduct wakes up every .I PERIOD-INTERVAL to do various housekeeping checks. Also, many of the timeout and rescan intervals (those specified in this manual as .IR PERIOD ) are rounded up to the next multiple of .IR PERIOD-INTERVAL . The default is .BR 30s . .TP .BI \-\-connection-timeout= TIME How long to allow for a connection setup attempt before giving up. The default is .BR 200s . .TP .BI \-\-stuck-flush-timeout= TIME How long to wait for innd to respond to a flush request before giving up. The default is .BR 100s . .TP .BI \-\-feedfile-poll= TIME How often to poll the feedfile for new articles written by innd if file monitoring .RI ( inotify or equivalent) is not available. (When file monitoring is available, there is no need for periodic checks and we wake immediately up whenever the feedfile changes.) The default is .BR 5s . .TP .BI \-\-no-check-proportion= PERCENT If the moving average of the proportion of articles being accepted (rather than declined) by the peer exceeds this value, innduct uses "no check mode" - ie it just sends the peer the articles with TAKETHIS rather than checking first with CHECK whether the article is wanted. This only affects streaming connections. The default is .B 95 (ie, 95%). .TP .BI \-\-no-check-response-time= ARTICLES The moving average mentioned above is an alpha-smoothed value with a half-life of .IR ARTICLES . The default is .BR 100 . .TP .BI \-\-reconnect-interval= RECONNECT-PERIOD Limits initiation of new connections to one each .IR RECONNECT-PERIOD . This applies to reconnections if the peer has been down, and also to ramping up the number of connections we are using after startup or in response to an article flood. The default is .BR 1000s . .TP .BI \-\-flush-retry-interval= PERIOD If our attempt to flush the feed failed (usually this will be because innd is not running), try again after .IR PERIOD . The default is .BR 1000s . .TP .BI \-\-earliest-deferred-retry= PERIOD When the peer responds to our offer of an article with a 431 or 436 NNTP response code, indicating that the article has already been offered to it by another of its peers, and that we should try again, we wait at least .IR PERIOD . before offering the article again. The default is .BR 100s . .TP .BI \-\-backlog-rescan-interval= BACKLOG-SCAN-PERIOD We scan the directory containing .I feedfile for backlog files at least every .IR BACKLOG-SCAN-PERIOD , in case the administrator has manually dropped in a file there for processing. The default is .BR 300s . .TP .BI \-\-max-flush-interval= PERIOD We flush the feed and start a new feedfile at least every .IR PERIOD even if the current instance of the feedfile has not reached the size threshold. The default is .BR 100000s . .TP .BI \-\-flush-finish-timeout= FLUSH-FINISH-PERIOD If we flushed .IR FLUSH-FINISH-PERIOD ago, and are still trying to finish processing articles that were written to the old feed file, we forcibly and violently make sure that we can finish the old feed file: we abandon and defer all the work, which includes unceremoniously dropping any connections on which we've sent some of those articles but not yet had replies, as they're probably stuck somehow. The default is .BR 2000s . .TP .BI \-\-idle-timeout= PERIOD Connections which have had no activity for .IR PERIOD will be closed. This includes connections where we have sent commands or articles but have not yet had the responses, so this same value doubles as the timeout after which we conclude that the peer is unresponsive or the connection has become broken. The default is .BR 1000s . .TP .BI \-\-stats-log-interval= PERIOD Log statistics at least every .IR PERIOD The default is .BR 2500s . .TP .BI \-\-low-volume-thresh= "WIN-THRESH " \-\-low-volume-window= "PERIOD " If innduct has only one connection to the peer, and has processed fewer than .I WIN-THRESH articles in the last .I PERIOD and also no articles in the last .IR PERIOD-INTERVAL it will close the connection quickly. That is, innduct switches to a mode where it opens a connection for each article (or, perhaps, each handful of articles arriving together). The default is to close if fewer than .BR 3 articles in the last .BR 1000s . .TP .BI \-\-max-bad-input-data-ratio= PERCENT We tolerate up to this proportion of badly-formatted lines in the feedfile and other input files. Every badly-formatted line is logged, but if there are too many we conclude that the corruption to our on-disk data is too severe, and crash; to successfully restart, administrator intervention will be required. This avoids flooding the logs with warnings and also arranges to abort earlyish if an attempt is made to process a file in the wrong format. We need to tolerate a small proportion of broken lines, if for no other reason than that a crash might leave a half-blanked-out entry. The default is .BR 1 (ie, 1%). .TP .BI \-\-max-bad-input-data-init= LINES Additionally, we tolerate this number of additional badly-formatted lines, so that if the badly-formatted lines are a few but at the start of the file, we don't crash immediately. The default is .BR 30 (which would suffice to ignore one whole corrupt 4096-byte disk block filled with random data, or one corrupt 1024-byte disk block filled with an inappropriate text file with a mean line length of at least 35). .SH INNDUCT VS INNFEED/NNTPSEND/INNXMIT .TP .B innfeed does roughly the same thing as innduct. However, the way it receives information from innd can result in articles being lost (not offered to peers) if innfeed crashes for any reason. This is an inherent defect in the innd channel feed protocol. innduct uses a file feed, constantly "tailing" the feed file, and where implemented uses .BR inotify (2) to reduce the latency which would come from having to constantly poll the feed file. innduct is much smaller and simpler, at <5kloc to innfeed's ~25kloc. innfeed needs a separate helper script or similar infrastructure (of which there is an example in its manpage), whereas innduct can be run directly and doesn't need help from shell scripts. However, innfeed is capable of feeding multiple peers from a single innfeed instance, whereas each innduct process handles exactly one peer. .TP .B nntpsend processes feed files in batch mode. That is, you have to periodically invoke nntpsend, and when you do, the feed is flushed and articles which arrived before the flush are sent to the peer. This introduces a batching delay, and also means that the NNTP connection to the peer needs to be remade at each batch. nntpsend (which uses innxmit) cannot make use of multiple connections to a single peer site. However, nntpsend automatically find which sites need feeding by looking in .IR pathoutgoing , whereas the administrator needs to arrange to invoke innduct separately for each peer. .TP .B innxmit is the actual NNTP feeder program used by nntpsend. .LP .TS l l l l. \fBinnfeed\fR \fBinnduct\fR \fBnntpsend/innxmit\fR realtime feed Yes Yes No reliable No Yes Yes source code size 24kloc 4.6kloc 1.9kloc invoke once for all sites Yes No Yes number of processes one 1/site 2/site, intermittently .TE .SH EXIT STATUS .TP .B 0 An instance of innduct is already running for this .I feedfile and .B -q was specified. .TP .B 4 The feed has been dropped by innd, and we (or previous innducts) have successfully offered all the old articles to the peer site. Our work is done. .TP .B 8 innduct was invoked with bad options or command line arguments. The error message will be printed to stderr, and also (if any options or arguments were passed at all) to syslog with severity .BR crit . .TP .B 12 Things are going wrong, hopefully shortage of memory, system file table entries; disk IO problems; disk full; etc. The specifics of the error will be logged to syslog with severity .B err (if syslog is working!) .TP .B 16 Things are going badly wrong in an unexpected way: system calls which are not expected to fail are doing so, or the protocol for communicating with innd is being violated, or some such. Details will be logged with severity .B crit (if syslog is working!) .TP .BR 24 - 27 These exit statuses are used by children forked by innduct to communicate to the parent. You should not see them. If you do, it is a bug. .SH FILES innduct dances a somewhat complicated dance with innd to make sure that everything goes smoothly and that there are no races. (See the two ascii-art diagrams in README.states for details of the protocol.) Do not mess with the feedfile and other associated files, other than as explained here: .IX Header "FILES" .IP \fIpathrun\fR .IX Item "default directory" Default current working directory for innduct, and also default grandparent directory for the command line socket. .IP \fIpathoutgoing\fR/\fIsite\fR .IX Item "default feedfile" Default .IR feedfile . .IP \fIfeedfile\fR .IX Item feedfile Main feed file as specified in .IR newsfeeds (5). This and other batchfiles used by innduct contains lines each of which is of the form \& \fItoken\fR \fImessageid\fR where \fItoken\fR is the inn storage API token. Such lines can be written by \fBTf,Wnm\fR in a \fInewsfeeds\fR(5) entry. During processing, innduct overwrites lines in the batch files which correspond to articles it has processed: each such line is replaced with one containing only spaces. Only innd should create .IR feedfile , and only innduct should remove it. .IP \fIfeedfile\fR_lock .IX Item "lock file" Lockfile, preventing multiple innduct invocations for the same feed. A process holds this lock after it has opened the lockfile, made an fcntl F_SETLK call, and then checked with stat and fstat that the file it now has open and has locked still has the name \fIfeedfile\fR_lock. (Only) the lockholder may delete the lockfile. For your convenience, after the lockfile is locked, .IR innfeed 's pid, the .IR site , .IR feedfile and .IR fqdn are all written to the lockfile. NB that stale lockfiles may contain stale data so this information should not be relied on other than for troubleshooting. .IP \fIfeedfile\fR_flushing .IX Item "flushing file" Batch file: the main feedfile is renamed to this filename by innduct before it asks inn to flush the feed. Only innduct should create, modify or remove this file. .IP \fIfeedfile\fR_defer .IX Item "flushing file" Batch file containing details of articles whose transmission has very recently been deferred at the request of the recipient site. Created, written, read and removed (only) by innduct. .IP \fIfeedfile\fR_backlog.\fItime_t\fR.\fIinum\fR .IX Item "backlog file" Batch file containing details of articles whose transmission has less recently been deferred at the request of the recipient site. Created by innduct, and will also be read, updated and removed by innduct. However you (the administrator) may also safely remove backlog files. .IP \fIfeedfile\fR_backlog\fIsomething\fR .IX Item "manual backlog file" Batch file manually provided by the administrator. innduct will automatically find, read and process any file matching this pattern (blanking out entries for processed articles) and eventually remove it. \fIsomething\fR may not contain \fB#\fR \fB~\fR or \fB/\fR. .IP Be sure to have finished writing the file before you rename it to match the pattern \fIfeedfile\fR\fB_backlog\fR*, as otherwise innduct may find and process the file, and even think it has finished it, before you have written the complete file. You may also safely remove backlog files. .IP \fIpathrun\fR\fB/innduct/\fB\fIsite\fR .IX Item "control command line socket" Default AF_UNIX listening socket for the control command line. See CONTROLLING INNDUCT, above. .IP \fIfeedfile\fR_dump .IX Item "debug dump file" On request via a control connection innduct dumps a summary of its state to this text file. This is mostly useful for debugging. .IP /etc/news/inn.conf .IX Item inn.conf Used for .IR pathoutgoing (to compute default .IR feedfile and associated paths), .IR pathrun (to compute default .IR PATHRUN and hence effective default .IR CLI-DIR and .IR CLI-PATH ), for finding how to communicate with innd, and also for .IR sourceaddress and/or .IR sourceaddress6 . .SH HISTORY Written by Ian Jackson .SH "SEE ALSO" inn.conf(5), innd(8), newsfeeds(5) work/innduct.h0000664000000000000000000003313214557012014010546 0ustar /* * innduct * tailing reliable realtime streaming feeder for inn * * Copyright Ian Jackson * and contributors; see LICENCE.txt. * SPDX-License-Identifier: GPL-3.0-or-later */ #ifndef INNDUCT_H #define INNDUCT_H #define _GNU_SOURCE 1 #include "config.h" #include "storage.h" #include "nntp.h" #include "libinn.h" #include "inndcomm.h" #include "inn/list.h" #include "inn/innconf.h" #include "inn/messages.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /*----- general definitions, probably best not changed -----*/ #define CONNCHILD_ESTATUS_STREAM 24 #define CONNCHILD_ESTATUS_NOSTREAM 25 #define INNDCOMMCHILD_ESTATUS_FAIL 26 #define INNDCOMMCHILD_ESTATUS_NONESUCH 27 #define MAX_LINE_FEEDFILE (NNTP_MAXLEN_MSGID + sizeof(TOKEN)*2 + 10) #define MAX_CLI_COMMAND 1000 #define VA va_list al; va_start(al,fmt) #define PRINTF(f,a) __attribute__((__format__(printf,f,a))) #define NORET_PRINTF(f,a) __attribute__((__noreturn__,__format__(printf,f,a))) #define NORET __attribute__((__noreturn__)) #define NEW(ptr) ((ptr)= zxmalloc(sizeof(*(ptr)))) #define NEW_DECL(type,ptr) type ptr = zxmalloc(sizeof(*(ptr))) #define DUMPV(fmt,pfx,v) fprintf(f, " " #v "=" fmt, pfx v); #define FOR_LIST_NODE(nodevar, list) \ for ((nodevar)=LIST_HEAD(list); (nodevar); (nodevar)=LIST_NEXT((nodevar))) #define FOR_CONN(conn) FOR_LIST_NODE(conn, conns) /*----- doubly linked lists -----*/ #define ISNODE(T) struct node list_node #define DEFLIST(T) \ typedef struct { \ union { struct list li; T *for_type; } u; \ int count; \ } T##List #define NODE(n) (assert((void*)&(n)->list_node == (n)), &(n)->list_node) #define LIST_CHECKCANHAVENODE(l,n) \ ((void)((n) == ((l).u.for_type))) /* just for the type check */ #define LIST_ADDSOMEHOW(l,n,list_addsomehow) \ ( LIST_CHECKCANHAVENODE(l,n), \ list_addsomehow(&(l).u.li, NODE((n))), \ (void)(l).count++ \ ) #define LIST_REMSOMEHOW(l,list_remsomehow) \ ( (typeof((l).u.for_type)) \ ( (l).count \ ? ( (l).count--, \ list_remsomehow(&(l).u.li) ) \ : 0 \ ) \ ) #define LIST_ADDHEAD(l,n) LIST_ADDSOMEHOW((l),(n),list_addhead) #define LIST_ADDTAIL(l,n) LIST_ADDSOMEHOW((l),(n),list_addtail) #define LIST_REMHEAD(l) LIST_REMSOMEHOW((l),list_remhead) #define LIST_REMTAIL(l) LIST_REMSOMEHOW((l),list_remtail) #define LIST_INIT(l) ((l).count=0, list_new(&(l).u.li)) #define LIST_HEAD(l) ((typeof((l).u.for_type))(list_head((struct list*)&(l)))) #define LIST_NEXT(n) ((typeof(n))list_succ(NODE((n)))) #define LIST_BACK(n) ((typeof(n))list_pred(NODE((n)))) #define LIST_REMOVE(l,n) \ ( LIST_CHECKCANHAVENODE(l,n), \ list_remove(NODE((n))), \ (void)(l).count-- \ ) #define LIST_INSERT(l,n,pred) \ ( LIST_CHECKCANHAVENODE(l,n), \ LIST_CHECKCANHAVENODE(l,pred), \ list_insert((struct list*)&(l), NODE((n)), NODE((pred))), \ (void)(l).count++ \ ) /*----- type predeclarations -----*/ typedef struct Conn Conn; typedef struct Article Article; typedef struct InputFile InputFile; typedef struct XmitDetails XmitDetails; typedef struct Filemon_Perfile Filemon_Perfile; typedef enum StateMachineState StateMachineState; typedef struct CliCommand CliCommand; DEFLIST(Conn); DEFLIST(Article); /*----- configuration options -----*/ extern const char *sitename, *remote_host; extern const char *feedfile, *path_run, *path_cli, *path_cli_dir; extern int quiet_multiple, interactive, try_filemon, try_stream, port; extern const char *inndconffile; extern int max_connections, max_queue_per_conn, target_max_feedfile_size; extern int period_seconds, filepoll_seconds, max_queue_per_ipf; extern int connection_setup_timeout, inndcomm_flush_timeout; extern double nocheck_thresh; extern double nocheck_decay; /* all these are initialised to seconds, and converted to periods in main */ extern int reconnect_delay_periods; extern int flushfail_retry_periods; extern int backlog_retry_minperiods; extern int backlog_spontrescan_periods; extern int spontaneous_flush_periods; extern int max_separated_periods; extern int need_activity_periods; extern int stats_log_periods; extern int lowvol_thresh; extern int lowvol_periods; extern double max_bad_data_ratio; extern int max_bad_data_initial; /*----- article states, and statistics -----*/ typedef enum { /* in queue in conn->sent */ art_Unchecked, /* not checked, not sent checking */ art_Wanted, /* checked, wanted sent body as requested */ art_Unsolicited, /* - sent body without check */ art_MaxState, } ArtState; extern const char *const artstate_names[]; /* xmit.c */ #define RESULT_COUNTS(RCS,RCN) \ RCS(sent) \ RCS(accepted) \ RCN(unwanted) \ RCN(rejected) \ RCN(deferred) \ RCN(missing) \ RCN(connretry) #define RCI_TRIPLE_FMT_BASE "%d (id=%d,bod=%d,nc=%d)" #define RCI_TRIPLE_VALS_BASE(counts,x) \ counts[art_Unchecked] x \ + counts[art_Wanted] x \ + counts[art_Unsolicited] x, \ counts[art_Unchecked] x \ , counts[art_Wanted] x \ , counts[art_Unsolicited] x typedef enum { #define RC_INDEX(x) RC_##x, RESULT_COUNTS(RC_INDEX, RC_INDEX) RCI_max } ResultCountIndex; typedef enum { read_ok, read_blank, read_err, nooffer_missing, ECI_max } EventCountIndex; /*----- transmission buffers -----*/ #define CONNIOVS 128 typedef enum { xk_Const, xk_Artdata } XmitKind; struct XmitDetails { XmitKind kind; union { ARTHANDLE *sm_art; } info; }; /*----- core operational data structure types -----*/ typedef struct { int results[art_MaxState][RCI_max]; int events[ECI_max]; } Counts; struct InputFile { /* This is also an instance of struct oop_readable */ struct oop_readable readable; /* first */ oop_readable_call *readable_callback; void *readable_callback_user; int fd; Filemon_Perfile *filemon; oop_read *rd; /* non-0: reading; 0: constructing, or had EOF */ off_t offset; int skippinglong, paused, fake_readable; ArticleList queue; long inprogress; /* includes queue.count and also articles in conns */ long autodefer; /* -1 means not doing autodefer */ Counts counts; char path[]; }; struct Article { ISNODE(Article); ArtState state; int midlen, missing; InputFile *ipf; TOKEN token; off_t offset; int blanklen; char messageid[1]; }; struct Conn { ISNODE(Conn); int fd; /* may be 0, meaning closed (during construction/destruction) */ oop_read *rd; /* likewise */ int oopwriting; /* since on_fd is not idempotent */ int max_queue, stream; const char *quitting; int since_activity; /* periods */ ArticleList waiting; /* not yet told peer */ ArticleList priority; /* peer says send it now */ ArticleList sent; /* offered/transmitted - in xmit or waiting reply */ struct iovec xmit[CONNIOVS]; XmitDetails xmitd[CONNIOVS]; int xmitu; }; #define SMS_LIST(X) \ X(NORMAL) \ X(FLUSHING) \ X(FLUSHFAILED) \ X(SEPARATED) \ X(DROPPING) \ X(DROPPED) enum StateMachineState { #define SMS_DEF_ENUM(s) sm_##s, SMS_LIST(SMS_DEF_ENUM) }; extern const char *sms_names[]; /*========== function declarations ==========*/ /*----- help.c -----*/ void syscrash(const char *fmt, ...) NORET_PRINTF(1,2); void crash(const char *fmt, ...) NORET_PRINTF(1,2); void info(const char *fmt, ...) PRINTF(1,2); void dbg(const char *fmt, ...) PRINTF(1,2); void logv(int sysloglevel, const char *pfx, int errnoval, const char *fmt, va_list al) PRINTF(4,0); char *mvasprintf(const char *fmt, va_list al) PRINTF(1,0); char *masprintf(const char *fmt, ...) PRINTF(1,2); int close_perhaps(int *fd); void xclose(int fd, const char *what, const char *what2); void xclose_perhaps(int *fd, const char *what, const char *what2); pid_t xfork(const char *what); /* also runs postfork in child */ pid_t xfork_bare(const char *what); void on_fd_read_except(int fd, oop_call_fd callback); void cancel_fd_read_except(int fd); void report_child_status(const char *what, int status); int xwaitpid(pid_t *pid, const char *what); void *zxmalloc(size_t sz); void xunlink(const char *path, const char *what); time_t xtime(void); void xsigaction(int signo, const struct sigaction *sa); void xsigsetdefault(int signo); void raise_default(int signo) NORET; void xgettimeofday(struct timeval *tv_r); void xsetnonblock(int fd, int nonb); void check_isreg(const struct stat *stab, const char *path, const char *what); void xfstat(int fd, struct stat *stab_r, const char *what); void xfstat_isreg(int fd, struct stat *stab_r, const char *path, const char *what); void xlstat_isreg(const char *path, struct stat *stab, int *enoent_r /* 0 means ENOENT is fatal */, const char *what); int samefile(const struct stat *a, const struct stat *b); char *sanitise(const char *input, int len); static inline int isewouldblock(int errnoval) { return errnoval==EWOULDBLOCK || errnoval==EAGAIN; } #define INNLOGSETS(INNLOGSET) \ INNLOGSET(die, "fatal", LOG_ERR) \ INNLOGSET(warn, "warning", LOG_WARNING) \ INNLOGSET(notice, "notice", LOG_NOTICE) \ INNLOGSET(debug, "debug", LOG_DEBUG) #define INNLOGSET_DECLARE(fn, pfx, sysloglevel) \ void duct_log_##fn(int l, const char *fmt, va_list al, int errval) \ PRINTF(2,0); INNLOGSETS(INNLOGSET_DECLARE) /*----- duct.c -----*/ void postfork(void); void period(void); /*----- cli.c -----*/ void cli_init(void); void cli_stdio(void); /*----- conn.c -----*/ void conn_closefd(Conn *conn, const char *msgprefix); void check_idle_conns(void); int conn_busy(Conn *conn); void conn_dispose(Conn *conn); void vconnfail(Conn *conn, const char *fmt, va_list al) PRINTF(2,0); void connfail(Conn *conn, const char *fmt, ...) PRINTF(2,3); void notice_conns_more(const char *new_kind); void notice_conns_fewer(void); void notice_conns_stats(void); int allow_connect_start(void); void connect_start(void); /*----- defer.c -----*/ void poll_backlog_file(void); void search_backlog_file(void); void open_defer(void); void close_defer(void); /*----- filemon.c -----*/ int filemon_method_init(void); void filemon_method_dump_info(FILE *f); void filemon_start(InputFile *ipf); void filemon_stop(InputFile *ipf); /*----- infile.c -----*/ void filepoll(void); void inputfile_reading_start(InputFile *ipf); void inputfile_reading_stop(InputFile *ipf); void inputfile_reading_pause(InputFile *ipf); void inputfile_reading_resume(InputFile *ipf); /* pause and resume are idempotent, and no-op if not done _reading_start */ InputFile *open_input_file(const char *path); void close_input_file(InputFile *ipf); /* does not free */ char *dbg_report_ipf(InputFile *ipf); void tailing_make_readable(InputFile *ipf); /*----- recv.c -----*/ extern const oop_rd_style peer_rd_style; oop_rd_call peer_rd_ok, peer_rd_err; void article_done(Article *art, int whichcount); /*----- statemc.c -----*/ void statemc_check_flushing_done(void); void statemc_check_backlog_done(void); extern sig_atomic_t terminate_sig_flag; void statemc_period_poll(void); void statemc_lock(void); void init_signals(void); void statemc_init(void); void showstats(void); #define SMS(newstate, periods, why) \ (statemc_setstate(sm_##newstate,(periods),#newstate,(why))) void statemc_setstate(StateMachineState newsms, int periods, const char *forlog, const char *why); void statemc_start_flush(const char *why); /* Normal => Flushing */ void spawn_inndcomm_flush(const char *why); /* Moved => Flushing */ int trigger_flush_ok(const char *why /* 0 means timeout */); /* => Flushing,FLUSHING, ret 1; or ret 0 */ void preterminate(void); /*----- xmit.c -----*/ void inputfile_queue_check_expired(InputFile *ipf); void check_assign_articles(void); void queue_check_input_done(void); void check_reading_pause_resume(InputFile *ipf); void conn_maybe_write(Conn *conn); void conn_make_some_xmits(Conn *conn); void *conn_write_some_xmits(Conn *conn); void xmit_free(XmitDetails *d); int article_check_expired(Article *art /* must be queued, not conn */); void article_autodefer(InputFile *ipf, Article *art); void article_defer(Article *art /* not on a queue */, int whichcount); void autodefer_input_file(InputFile *ipf); /*----- external linkage for debug/dump only -----*/ extern pid_t connecting_child; extern int connecting_fdpass_sock; extern pid_t inndcomm_child; /*========== general operational variables ==========*/ /* duct.c */ extern oop_source *loop; extern ConnList conns; extern char *path_lock, *path_flushing, *path_defer, *path_dump; extern char *globpat_backlog; extern pid_t self_pid; extern int *lowvol_perperiod; extern int lowvol_circptr; extern int lowvol_total; /* does not include current period */ extern int until_stats_log; /* statemc.c */ extern StateMachineState sms; extern int until_flush; extern InputFile *main_input_file, *flushing_input_file, *backlog_input_file; extern Counts backlog_counts; extern int backlog_counts_report; extern FILE *defer; extern int until_connect, until_backlog_nextscan; extern double accept_proportion; extern int nocheck, nocheck_reported, in_child; /* help.c */ extern int simulate_flush; extern int logv_use_syslog; extern const char *logv_prefix; #endif /*INNDUCT_H*/ work/recv.c0000664000000000000000000001713214557012014010036 0ustar /* * innduct * tailing reliable realtime streaming feeder for inn * recv.c - receiving peer responses and disposing of articles * * Copyright Ian Jackson * and contributors; see LICENCE.txt. * SPDX-License-Identifier: GPL-3.0-or-later */ #include "innduct.h" /*========== handling responses from peer ==========*/ const oop_rd_style peer_rd_style= { OOP_RD_DELIM_STRIP, '\n', OOP_RD_NUL_FORBID, OOP_RD_SHORTREC_FORBID }; void *peer_rd_err(oop_source *lp, oop_read *oread, oop_rd_event ev, const char *errmsg, int errnoval, const char *data, size_t recsz, void *conn_v) { Conn *conn= conn_v; connfail(conn, "error receiving from peer: %s", errmsg); return OOP_CONTINUE; } static Article *article_reply_check(Conn *conn, const char *response, int code_indicates_streaming, int must_have_sent /* 1:yes, -1:no, 0:dontcare */, const char *sanitised_response) { Article *art= LIST_HEAD(conn->sent); if (!art) { connfail(conn, "peer gave unexpected response when no commands outstanding: %s", sanitised_response); return 0; } if (code_indicates_streaming) { assert(!memchr(response, 0, 4)); /* ensured by peer_rd_ok */ if (!conn->stream) { connfail(conn, "peer gave streaming response code " " to IHAVE or subsequent body: %s", sanitised_response); return 0; } const char *got_mid= response+4; int got_midlen= strcspn(got_mid, " \n\r"); if (got_midlen<3 || got_mid[0]!='<' || got_mid[got_midlen-1]!='>') { connfail(conn, "peer gave streaming response with syntactically invalid" " messageid: %s", sanitised_response); return 0; } if (got_midlen != art->midlen || memcmp(got_mid, art->messageid, got_midlen)) { connfail(conn, "peer gave streaming response code to wrong article -" " probable synchronisation problem; we offered: %s;" " peer said: %s", art->messageid, sanitised_response); return 0; } } else { if (conn->stream) { connfail(conn, "peer gave non-streaming response code to" " CHECK/TAKETHIS: %s", sanitised_response); return 0; } } if (must_have_sent>0 && art->state < art_Wanted) { connfail(conn, "peer says article accepted but" " we had not sent the body: %s", sanitised_response); return 0; } if (must_have_sent<0 && art->state >= art_Wanted) { connfail(conn, "peer says please sent the article but we just did: %s", sanitised_response); return 0; } Article *art_again= LIST_REMHEAD(conn->sent); assert(art_again == art); return art; } static void update_nocheck(int accepted) { accept_proportion *= nocheck_decay; accept_proportion += accepted * (1.0 - nocheck_decay); int new_nocheck= accept_proportion >= nocheck_thresh; if (new_nocheck && !nocheck_reported) { notice("entering nocheck mode for the first time"); nocheck_reported= 1; } else if (new_nocheck != nocheck) { dbg("nocheck mode %s", new_nocheck ? "start" : "stop"); } nocheck= new_nocheck; } void article_done(Article *art, int whichcount) { if (whichcount>=0 && !art->missing) art->ipf->counts.results[art->state][whichcount]++; if (whichcount == RC_accepted) update_nocheck(1); else if (whichcount == RC_unwanted || (whichcount == RC_rejected && art->state == art_Unsolicited)) update_nocheck(0); InputFile *ipf= art->ipf; while (art->blanklen) { static const char spaces[]= " " " " " " " " " " " " " " " " " "; int nspaces= sizeof(spaces)-1; int w= art->blanklen; if (w > nspaces) w= nspaces; int r= pwrite(ipf->fd, spaces, w, art->offset); if (r==-1) { if (errno==EINTR) continue; syscrash("failed to blank entry for %s (length %d at offset %lu) in %s", art->messageid, art->blanklen, (unsigned long)art->offset, ipf->path); } assert(r>=0 && r<=w); art->blanklen -= w; art->offset += w; } ipf->inprogress--; assert(ipf->inprogress >= 0); free(art); if (!ipf->inprogress && ipf != main_input_file) queue_check_input_done(); } void *peer_rd_ok(oop_source *lp, oop_read *oread, oop_rd_event ev, const char *errmsg, int errnoval, const char *data, size_t recsz, void *conn_v) { Conn *conn= conn_v; if (ev == OOP_RD_EOF) { connfail(conn, "unexpected EOF from peer"); return OOP_CONTINUE; } assert(ev == OOP_RD_OK); char *sani= sanitise(data,-1); char *ep; unsigned long code= strtoul(data, &ep, 10); if (ep != data+3 || *ep != ' ' || data[0]=='0') { connfail(conn, "badly formatted response from peer: %s", sani); return OOP_CONTINUE; } int busy= conn_busy(conn); if (conn->quitting) { if (code!=205 && code!=400) { connfail(conn, "peer gave unexpected response to QUIT (%s): %s", conn->quitting, sani); } else { LIST_REMOVE(conns,conn); info("C%d (now %d) idle connection closed (%s)", conn->fd, conns.count, conn->quitting); notice_conns_fewer(); assert(!busy); conn_dispose(conn); } return OOP_CONTINUE; } conn->since_activity= 0; Article *art; #define GET_ARTICLE(musthavesent) do{ \ art= article_reply_check(conn, data, code_streaming, musthavesent, sani); \ if (!art) return OOP_CONTINUE; /* reply_check has failed the conn */ \ }while(0) #define ARTICLE_DEALTWITH(streaming,musthavesent,how) do{ \ code_streaming= (streaming); \ GET_ARTICLE(musthavesent); \ article_done(art, RC_##how); \ goto dealtwith; \ }while(0) #define PEERBADMSG(m) do { \ connfail(conn, m ": %s", sani); return OOP_CONTINUE; \ }while(0) int code_streaming= 0; switch (code) { default: PEERBADMSG("peer sent unexpected message"); case 400: if (busy) PEERBADMSG("peer timed us out or stopped accepting articles"); LIST_REMOVE(conns,conn); info("C%d (now %d) idle connection closed by peer", conns.count, conn->fd); notice_conns_fewer(); conn_dispose(conn); return OOP_CONTINUE; case 435: ARTICLE_DEALTWITH(0,0,unwanted); /* IHAVE says they have it */ case 438: ARTICLE_DEALTWITH(1,0,unwanted); /* CHECK/TAKETHIS: they have it */ case 235: ARTICLE_DEALTWITH(0,1,accepted); /* IHAVE says thanks */ case 239: ARTICLE_DEALTWITH(1,1,accepted); /* TAKETHIS says thanks */ case 437: ARTICLE_DEALTWITH(0,0,rejected); /* IHAVE says rejected */ case 439: ARTICLE_DEALTWITH(1,0,rejected); /* TAKETHIS says rejected */ case 238: /* CHECK says send it */ code_streaming= 1; case 335: /* IHAVE says send it */ GET_ARTICLE(-1); assert(art->state == art_Unchecked); art->ipf->counts.results[art->state][RC_accepted]++; art->state= art_Wanted; LIST_ADDTAIL(conn->priority, art); break; case 431: /* CHECK or TAKETHIS says try later */ code_streaming= 1; case 436: /* IHAVE says try later */ GET_ARTICLE(0); article_defer(art, RC_deferred); break; } dealtwith: conn_maybe_write(conn); check_assign_articles(); return OOP_CONTINUE; } work/statemc.c0000664000000000000000000003642714557012014010547 0ustar /* * innduct * tailing reliable realtime streaming feeder for inn * statemc.c - state machine core (see README.states). * * Copyright Ian Jackson * and contributors; see LICENCE.txt. * SPDX-License-Identifier: GPL-3.0-or-later */ #include "innduct.h" /* statemc_init initialises */ StateMachineState sms; int until_flush; InputFile *main_input_file, *flushing_input_file, *backlog_input_file; Counts backlog_counts; int backlog_counts_report; FILE *defer; /* initialisation to 0 is good */ int until_connect, until_backlog_nextscan; double accept_proportion; int nocheck, nocheck_reported, in_child; sig_atomic_t terminate_sig_flag; static void startup_set_input_file(InputFile *f) { assert(!main_input_file); main_input_file= f; inputfile_reading_start(f); } void statemc_lock(void) { int lockfd; struct stat stab, stabf; for (;;) { lockfd= open(path_lock, O_CREAT|O_RDWR, 0600); if (lockfd<0) sysdie("open lockfile %s", path_lock); struct flock fl; memset(&fl,0,sizeof(fl)); fl.l_type= F_WRLCK; fl.l_whence= SEEK_SET; int r= fcntl(lockfd, F_SETLK, &fl); if (r==-1) { if (errno==EACCES || isewouldblock(errno)) { if (quiet_multiple) exit(0); die("another duct holds the lockfile"); } sysdie("fcntl F_SETLK lockfile %s", path_lock); } xfstat_isreg(lockfd, &stabf, path_lock, "lockfile"); int lock_noent; xlstat_isreg(path_lock, &stab, &lock_noent, "lockfile"); if (!lock_noent && samefile(&stab, &stabf)) break; xclose(lockfd, "stale lockfile ", path_lock); } FILE *lockfile= fdopen(lockfd, "w"); if (!lockfile) syscrash("fdopen lockfile"); int r= ftruncate(lockfd, 0); if (r) syscrash("truncate lockfile to write new info"); if (fprintf(lockfile, "pid %ld\nsite %s\nfeedfile %s\nfqdn %s\n", (unsigned long)self_pid, sitename, feedfile, remote_host) == EOF || fflush(lockfile)) sysdie("write info to lockfile %s", path_lock); dbg("startup: locked"); } void statemc_init(void) { struct stat stabdefer; search_backlog_file(); int defer_noent; xlstat_isreg(path_defer, &stabdefer, &defer_noent, "defer file"); if (defer_noent) { dbg("startup: ductdefer ENOENT"); } else { dbg("startup: ductdefer nlink=%ld", (long)stabdefer.st_nlink); switch (stabdefer.st_nlink) { case 1: open_defer(); /* so that we will later close it and rename it */ break; case 2: xunlink(path_defer, "stale defer file link" " (presumably hardlink to backlog file)"); break; default: crash("defer file %s has unexpected link count %ld", path_defer, (long)stabdefer.st_nlink); } } struct stat stab_f, stab_d; int noent_f; InputFile *file_d= open_input_file(path_flushing); if (file_d) xfstat_isreg(file_d->fd, &stab_d, path_flushing,"flushing file"); xlstat_isreg(feedfile, &stab_f, &noent_f, "feedfile"); if (!noent_f && file_d && samefile(&stab_f, &stab_d)) { dbg("startup: F==D => Hardlinked"); xunlink(feedfile, "feed file (during startup)"); /* => Moved */ noent_f= 1; } if (noent_f) { dbg("startup: F ENOENT => Moved"); if (file_d) startup_set_input_file(file_d); spawn_inndcomm_flush("feedfile missing at startup"); /* => Flushing, sms:=FLUSHING */ } else { if (file_d) { dbg("startup: F!=D => Separated"); startup_set_input_file(file_d); flushing_input_file= main_input_file; main_input_file= open_input_file(feedfile); if (!main_input_file) crash("feedfile vanished during startup"); SMS(SEPARATED, max_separated_periods, "found both old and current feed files"); } else { dbg("startup: F exists, D ENOENT => Normal"); InputFile *file_f= open_input_file(feedfile); if (!file_f) crash("feed file vanished during startup"); startup_set_input_file(file_f); SMS(NORMAL, spontaneous_flush_periods, "normal startup"); } } } void statemc_start_flush(const char *why) { /* Normal => Flushing */ assert(sms == sm_NORMAL); dbg("starting flush (%s) (%lu >?= %lu) (%d)", why, (unsigned long)(main_input_file ? main_input_file->offset : 0), (unsigned long)target_max_feedfile_size, until_flush); int r= link(feedfile, path_flushing); if (r) sysdie("link feedfile %s to flushing file %s", feedfile, path_flushing); /* => Hardlinked */ xunlink(feedfile, "old feedfile link"); /* => Moved */ spawn_inndcomm_flush(why); /* => Flushing FLUSHING */ } int trigger_flush_ok(const char *why) { switch (sms) { case sm_NORMAL: statemc_start_flush(why ? why : "periodic"); return 1; /* Normal => Flushing; => FLUSHING */ case sm_FLUSHFAILED: spawn_inndcomm_flush(why ? why : "retry"); return 1; /* Moved => Flushing; => FLUSHING */ case sm_SEPARATED: case sm_DROPPING: if (conns.count) warn("abandoning old feedfile after flush (%s), autodeferring", why ? why : "took too long to complete"); else info("autodeferring after flush (%s)", why ? why : "no connections"); assert(flushing_input_file); autodefer_input_file(flushing_input_file); return 1; default: return 0; } } void statemc_period_poll(void) { if (!until_flush) return; until_flush--; assert(until_flush>=0); if (until_flush) return; int ok= trigger_flush_ok(0); assert(ok); } static int inputfile_is_done(InputFile *ipf) { if (!ipf) return 0; if (ipf->inprogress) return 0; /* new article in the meantime */ if (ipf->rd) return 0; /* not had EOF */ return 1; } static void notice_processed_counts(Counts *counts, int completed, InputFile *ipf_xtra, const char *what) { #define RCI_NOTHING(x) /* nothing */ #define RCI_TRIPLE_FMT(x) " " #x "=" RCI_TRIPLE_FMT_BASE #define RCI_TRIPLE_VALS(x) , RCI_TRIPLE_VALS_BASE(counts->results, [RC_##x]) #define CNT(art,rc) (counts->results[art_##art][RC_##rc]) char *inprog= ipf_xtra && !completed ? masprintf(" inprogress=%ld", ipf_xtra->inprogress) : masprintf("%s",""); /* GCC produces a stupid warning for printf("") ! */ char *autodefer= ipf_xtra && ipf_xtra->autodefer >= 0 ? masprintf(" autodeferred=%ld", ipf_xtra->autodefer) : masprintf("%s",""); notice("%s %s read=%d (+bl=%d,+err=%d)%s%s missing=%d" " offered=%d (ch=%d,nc=%d)" " accepted=%d (ch=%d,nc=%d)" RESULT_COUNTS(RCI_NOTHING, RCI_TRIPLE_FMT) , completed?"completed":"processed", what, counts->events[read_ok], counts->events[read_blank], counts->events[read_err], inprog, autodefer, counts->events[nooffer_missing], CNT(Unchecked,sent) + CNT(Unsolicited,sent) , CNT(Unchecked,sent), CNT(Unsolicited,sent), CNT(Wanted,accepted) + CNT(Wanted,accepted) , CNT(Wanted,accepted), CNT(Wanted,accepted) RESULT_COUNTS(RCI_NOTHING, RCI_TRIPLE_VALS) ); memset(counts, 0, sizeof(*counts)); free(inprog); free(autodefer); #undef CNT } static void notice_processed_inputfile(InputFile *ipf, int completed, const char *what) { if (!ipf) return; /* allows showstats to be lazy */ notice_processed_counts(&ipf->counts, completed, ipf, what); } static void backlog_accumulate_counts(InputFile *ipf) { int i,j; if (!ipf) return; for (i=0; icounts.results[i][j]; for (i=0; icounts.events[i]; memset(&ipf->counts, 0, sizeof(ipf->counts)); backlog_counts_report= 1; } void statemc_check_backlog_done(void) { InputFile *ipf= backlog_input_file; if (!inputfile_is_done(ipf)) return; dbg("backlog file %p %s complete", ipf, ipf->path); backlog_accumulate_counts(ipf); close_input_file(ipf); if (unlink(ipf->path)) { if (errno != ENOENT) syscrash("could not unlink processed backlog file %s", ipf->path); warn("backlog file %s vanished while we were reading it" " so we couldn't remove it (but it's done now, anyway)", ipf->path); } free(ipf); backlog_input_file= 0; search_backlog_file(); return; } void statemc_check_flushing_done(void) { InputFile *ipf= flushing_input_file; if (!inputfile_is_done(ipf)) return; assert(sms==sm_SEPARATED || sms==sm_DROPPING); notice_processed_inputfile(ipf,1,"batch"); close_defer(); xunlink(path_flushing, "old flushing file"); close_input_file(flushing_input_file); free(flushing_input_file); flushing_input_file= 0; if (sms==sm_SEPARATED) { notice("flush complete"); SMS(NORMAL, spontaneous_flush_periods, "flush complete"); } else if (sms==sm_DROPPING) { SMS(DROPPED, max_separated_periods, "old flush complete"); search_backlog_file(); notice("feed dropped, but will continue until backlog is finished"); } } static void *statemc_check_input_done(oop_source *lp, struct timeval now, void *u) { /* main input file may be idle but if so that's because * we haven't got to it yet, but that doesn't mean it's really done */ statemc_check_flushing_done(); statemc_check_backlog_done(); return OOP_CONTINUE; } void queue_check_input_done(void) { loop->on_time(loop, OOP_TIME_NOW, statemc_check_input_done, 0); } void statemc_setstate(StateMachineState newsms, int periods, const char *forlog, const char *why) { sms= newsms; until_flush= periods; const char *xtra= ""; switch (sms) { case sm_FLUSHING: case sm_FLUSHFAILED: if (!main_input_file) xtra= "-ABSENT"; break; case sm_SEPARATED: case sm_DROPPING: xtra= flushing_input_file->rd ? "-1" : "-2"; break; default:; } if (periods) { info("state %s%s[%d] %s",forlog,xtra,periods,why); } else { info("state %s%s %s",forlog,xtra,why); } } /*========== flushing the feed ==========*/ pid_t inndcomm_child; static int inndcomm_sentinel_fd; static void *inndcomm_event(oop_source *lp, int fd, oop_event e, void *u) { assert(inndcomm_child); assert(fd == inndcomm_sentinel_fd); int status= xwaitpid(&inndcomm_child, "inndcomm"); inndcomm_child= 0; cancel_fd_read_except(fd); xclose_perhaps(&fd, "inndcomm sentinel pipe",0); inndcomm_sentinel_fd= 0; assert(!flushing_input_file); if (WIFEXITED(status)) { switch (WEXITSTATUS(status)) { case INNDCOMMCHILD_ESTATUS_FAIL: goto failed; case INNDCOMMCHILD_ESTATUS_NONESUCH: notice("feed has been dropped by innd, finishing up"); flushing_input_file= main_input_file; tailing_make_readable(flushing_input_file); /* we probably previously returned EAGAIN from our fake read method * when in fact we were at EOF, so signal another readable event * so we actually see the EOF */ main_input_file= 0; if (flushing_input_file) { SMS(DROPPING, max_separated_periods, "feed dropped by innd, but must finish last flush"); } else { close_defer(); SMS(DROPPED, 0, "feed dropped by innd"); search_backlog_file(); } return OOP_CONTINUE; case 0: /* as above */ flushing_input_file= main_input_file; tailing_make_readable(flushing_input_file); main_input_file= open_input_file(feedfile); if (!main_input_file) crash("flush succeeded but feedfile %s does not exist!" " (this probably means feedfile does not correspond" " to site %s in newsfeeds)", feedfile, sitename); if (flushing_input_file) { SMS(SEPARATED, max_separated_periods, "flush complete"); } else { close_defer(); SMS(NORMAL, spontaneous_flush_periods, "recovery flush complete"); } return OOP_CONTINUE; default: goto unexpected_exitstatus; } } else if (WIFSIGNALED(status) && WTERMSIG(status) == SIGALRM) { warn("flush timed out trying to talk to innd"); goto failed; } else { unexpected_exitstatus: report_child_status("inndcomm child", status); } failed: SMS(FLUSHFAILED, flushfail_retry_periods, "flush failed, will retry"); return OOP_CONTINUE; } static void inndcommfail(const char *what) { syswarn("error communicating with innd: %s failed: %s", what, ICCfailure); exit(INNDCOMMCHILD_ESTATUS_FAIL); } void spawn_inndcomm_flush(const char *why) { /* Moved => Flushing */ int pipefds[2]; notice("flushing %s",why); assert(sms==sm_NORMAL || sms==sm_FLUSHFAILED); assert(!inndcomm_child); assert(!inndcomm_sentinel_fd); if (pipe(pipefds)) sysdie("create pipe for inndcomm child sentinel"); inndcomm_child= xfork("inndcomm child"); if (!inndcomm_child) { const char *flushargv[2]= { sitename, 0 }; char *reply; int r; xclose(pipefds[0], "(in child) inndcomm sentinel parent's end",0); /* parent spots the autoclose of pipefds[1] when we die or exit */ if (simulate_flush>=0) { warn("SIMULATING flush child status %d", simulate_flush); if (simulate_flush>128) raise(simulate_flush-128); else exit(simulate_flush); } alarm(inndcomm_flush_timeout); r= ICCopen(); if (r) inndcommfail("connect"); r= ICCcommand('f',flushargv,&reply); if (r<0) inndcommfail("transmit"); if (!r) exit(0); /* yay! */ if (!strcmp(reply, "1 No such site")) exit(INNDCOMMCHILD_ESTATUS_NONESUCH); syswarn("innd ctlinnd flush failed: innd said %s", reply); exit(INNDCOMMCHILD_ESTATUS_FAIL); } simulate_flush= -1; xclose(pipefds[1], "inndcomm sentinel child's end",0); inndcomm_sentinel_fd= pipefds[0]; assert(inndcomm_sentinel_fd); on_fd_read_except(inndcomm_sentinel_fd, inndcomm_event); SMS(FLUSHING, 0, why); } /*---------- shutdown and signal handling ----------*/ void preterminate(void) { if (in_child) return; showstats(); } void showstats(void) { notice_conns_stats(); notice_processed_inputfile(main_input_file, 0, "feedfile"); notice_processed_inputfile(flushing_input_file, 0, "flushing"); backlog_accumulate_counts(backlog_input_file); if (backlog_counts_report) { notice_processed_counts(&backlog_counts, 0, backlog_input_file, "backlogs"); backlog_counts_report= 0; } until_stats_log= stats_log_periods; } static int signal_self_pipe[2]; static void *sigarrived_event(oop_source *lp, int fd, oop_event e, void *u) { assert(fd==signal_self_pipe[0]); char buf[PIPE_BUF]; int r= read(signal_self_pipe[0], buf, sizeof(buf)); if (r<0 && !isewouldblock(errno)) syscrash("failed to read signal self pipe"); if (r==0) crash("eof on signal self pipe"); if (terminate_sig_flag) { preterminate(); notice("terminating (%s)", strsignal(terminate_sig_flag)); raise_default(terminate_sig_flag); } return OOP_CONTINUE; } static void sigarrived_handler(int signum) { int esave = errno; static char x; switch (signum) { case SIGTERM: case SIGINT: if (!terminate_sig_flag) terminate_sig_flag= signum; break; default: abort(); } int r = write(signal_self_pipe[1],&x,1); if (!(r==1 || isewouldblock(errno))) abort(); errno = esave; } void init_signals(void) { if (signal(SIGPIPE, SIG_IGN) == SIG_ERR) syscrash("could not ignore SIGPIPE"); if (pipe(signal_self_pipe)) sysdie("create self-pipe for signals"); xsetnonblock(signal_self_pipe[0],1); xsetnonblock(signal_self_pipe[1],1); struct sigaction sa; memset(&sa,0,sizeof(sa)); sa.sa_handler= sigarrived_handler; sa.sa_flags= SA_RESTART; xsigaction(SIGTERM,&sa); xsigaction(SIGINT,&sa); on_fd_read_except(signal_self_pipe[0], sigarrived_event); } work/xmit.c0000664000000000000000000002303314557012014010055 0ustar /* * innduct * tailing reliable realtime streaming feeder for inn * xmit.c - transmitting checks and articles, flow control, expiry * * Copyright Ian Jackson * and contributors; see LICENCE.txt. * SPDX-License-Identifier: GPL-3.0-or-later */ #include "innduct.h" const char *const artstate_names[]= { "Unchecked", "Wanted", "Unsolicited", 0 }; /*---------- assigning articles to conns, and transmitting ----------*/ static Article *dequeue_from(int peek, InputFile *ipf) { if (!ipf) return 0; if (peek) return LIST_HEAD(ipf->queue); Article *art= LIST_REMHEAD(ipf->queue); if (!art) return 0; check_reading_pause_resume(ipf); return art; } static Article *dequeue(int peek) { Article *art; art= dequeue_from(peek, flushing_input_file); if (art) return art; art= dequeue_from(peek, backlog_input_file); if (art) return art; art= dequeue_from(peek, main_input_file); if (art) return art; return 0; } static void conn_inqueue_spare(const Conn *conn, int *inqueue_r, int *spare_r) { int inqueue= conn->sent.count + conn->priority.count + conn->waiting.count; int spare= conn->max_queue - inqueue; if (inqueue_r) *inqueue_r= inqueue; if (spare_r) *spare_r= spare; } void check_assign_articles(void) { for (;;) { if (!dequeue(1)) break; Conn *walk, *use=0; /* Find a connection to offer this article. We prefer a busy * connection to an idle one, provided it's not full. We take the * first (oldest) and since that's stable, it will mean we fill up * connections in order. That way if we have too many * connections, the spare ones will go away eventually. */ FOR_CONN(walk) { if (walk->quitting) continue; int inqueue, spare; conn_inqueue_spare(walk, &inqueue, &spare); assert(inqueue <= max_queue_per_conn); assert(spare >= 0); if (inqueue==0) /*idle*/ { if (!use) use= walk; } else if (spare>0) /*working*/ { use= walk; break; } } if (use) { int inqueue, spare; conn_inqueue_spare(use, &inqueue, &spare); if (!inqueue) use->since_activity= 0; /* reset idle counter */ while (spare>0) { Article *art= dequeue(0); if (!art) break; LIST_ADDTAIL(use->waiting, art); lowvol_perperiod[lowvol_circptr]++; spare--; } conn_maybe_write(use); } else if (allow_connect_start()) { connect_start(); break; } else { break; } } } static void *conn_writeable(oop_source *l, int fd, oop_event ev, void *u) { conn_maybe_write(u); return OOP_CONTINUE; } void conn_maybe_write(Conn *conn) { for (;;) { conn_make_some_xmits(conn); if (!conn->xmitu) { loop->cancel_fd(loop, conn->fd, OOP_WRITE); conn->oopwriting= 0; return; } void *rp= conn_write_some_xmits(conn); if (rp==OOP_CONTINUE) { if (!conn->oopwriting) { loop->on_fd(loop, conn->fd, OOP_WRITE, conn_writeable, conn); conn->oopwriting= 1; } return; } else if (rp==OOP_HALT) { return; } else if (!rp) { /* transmitted everything */ } else { abort(); } } } /*---------- expiry, flow control and deferral ----------*/ /* * flow control notes * to ensure articles go away eventually * separate queue for each input file * queue expiry * every period, check head of backlog queue for expiry with SMretrieve * if too old: discard, and check next article * also check every backlog article as we read it * flush expiry * after too long in SEPARATED/DROPPING ie Separated/Finishing/Dropping * one-off: eat queued articles from flushing and write them to defer * one-off: connfail all connections which have any articles from flushing * newly read articles from flushing go straight to defer * this should take care of it and get us out of this state * to avoid filling up ram needlessly * input control * limit number of queued articles for each ipf * pause/resume inputfile tailing */ void check_reading_pause_resume(InputFile *ipf) { if (ipf->queue.count >= max_queue_per_ipf) inputfile_reading_pause(ipf); else inputfile_reading_resume(ipf); } void article_defer(Article *art /* not on a queue */, int whichcount) { open_defer(); if (fprintf(defer, "%s %s\n", TokenToText(art->token), art->messageid) <0 || fflush(defer)) sysdie("write to defer file %s",path_defer); article_done(art, whichcount); } int article_check_expired(Article *art /* must be queued, not conn */) { ARTHANDLE *artdata= SMretrieve(art->token, RETR_STAT); if (artdata) { SMfreearticle(artdata); return 0; } LIST_REMOVE(art->ipf->queue, art); art->missing= 1; art->ipf->counts.events[nooffer_missing]++; article_done(art,-1); return 1; } void inputfile_queue_check_expired(InputFile *ipf) { if (!ipf) return; for (;;) { Article *art= LIST_HEAD(ipf->queue); if (!art) break; int expd= article_check_expired(art); if (!expd) break; } check_reading_pause_resume(ipf); } void article_autodefer(InputFile *ipf, Article *art) { ipf->autodefer++; article_defer(art,-1); } static int has_article_in(const ArticleList *al, InputFile *ipf) { Article *art; for (art=LIST_HEAD(*al); art; art=LIST_NEXT(art)) if (art->ipf == ipf) return 1; return 0; } static void autodefer_input_file_articles(InputFile *ipf) { Article *art; while ((art= LIST_REMHEAD(ipf->queue))) article_autodefer(ipf, art); } void autodefer_input_file(InputFile *ipf) { static const char *const abandon= "stuck"; ipf->autodefer= 0; autodefer_input_file_articles(ipf); if (ipf->inprogress) { Conn *walk; FOR_CONN(walk) { if (has_article_in(&walk->waiting, ipf) || has_article_in(&walk->priority, ipf) || has_article_in(&walk->sent, ipf)) walk->quitting= abandon; } while (ipf->inprogress) { FOR_CONN(walk) if (walk->quitting == abandon) goto found; abort(); /* where are they ?? */ found: connfail(walk, "connection is stuck or crawling," " and we need to finish flush"); autodefer_input_file_articles(ipf); } } check_reading_pause_resume(ipf); } /*========== article transmission ==========*/ static XmitDetails *xmit_core(Conn *conn, const char *data, int len, XmitKind kind) { /* caller must then fill in details */ struct iovec *v= &conn->xmit[conn->xmitu]; XmitDetails *d= &conn->xmitd[conn->xmitu++]; v->iov_base= (char*)data; v->iov_len= len; d->kind= kind; return d; } static void xmit_noalloc(Conn *conn, const char *data, int len) { xmit_core(conn,data,len, xk_Const); } #define XMIT_LITERAL(lit) (xmit_noalloc(conn, (lit), sizeof(lit)-1)) static void xmit_artbody(Conn *conn, ARTHANDLE *ah /* consumed */) { XmitDetails *d= xmit_core(conn, ah->data, ah->len, xk_Artdata); d->info.sm_art= ah; } void xmit_free(XmitDetails *d) { switch (d->kind) { case xk_Artdata: SMfreearticle(d->info.sm_art); break; case xk_Const: break; default: abort(); } } void *conn_write_some_xmits(Conn *conn) { /* return values: * 0: nothing more to write, no need to call us again * OOP_CONTINUE: more to write but fd not writeable * OOP_HALT: disaster, have destroyed conn */ for (;;) { int count= conn->xmitu; if (!count) return 0; if (count > IOV_MAX) count= IOV_MAX; ssize_t rs= writev(conn->fd, conn->xmit, count); if (rs < 0) { if (isewouldblock(errno)) return OOP_CONTINUE; connfail(conn, "write failed: %s", strerror(errno)); return OOP_HALT; } assert(rs > 0); int done; for (done=0; rs; ) { assert(donexmitu); struct iovec *vp= &conn->xmit[done]; XmitDetails *dp= &conn->xmitd[done]; assert(vp->iov_len <= SSIZE_MAX); if ((size_t)rs >= vp->iov_len) { rs -= vp->iov_len; xmit_free(dp); /* vp->iov_len -= vp->iov_len, etc. */ done++; } else { vp->iov_base= (char*)vp->iov_base + rs; vp->iov_len -= rs; break; /* rs -= rs */ } } int newu= conn->xmitu - done; memmove(conn->xmit, conn->xmit + done, newu * sizeof(*conn->xmit)); memmove(conn->xmitd, conn->xmitd + done, newu * sizeof(*conn->xmitd)); conn->xmitu= newu; } } void conn_make_some_xmits(Conn *conn) { for (;;) { if (conn->xmitu+5 > CONNIOVS) break; Article *art= LIST_REMHEAD(conn->priority); if (!art) art= LIST_REMHEAD(conn->waiting); if (!art) break; if (art->state >= art_Wanted || (conn->stream && nocheck)) { /* actually send it */ ARTHANDLE *artdata= SMretrieve(art->token, RETR_ALL); art->state= art->state == art_Unchecked ? art_Unsolicited : art->state == art_Wanted ? art_Wanted : (abort(),-1); if (!artdata) art->missing= 1; art->ipf->counts.results[art->state][ artdata ? RC_sent : RC_missing ]++; if (conn->stream) { if (artdata) { XMIT_LITERAL("TAKETHIS "); xmit_noalloc(conn, art->messageid, art->midlen); XMIT_LITERAL("\r\n"); xmit_artbody(conn, artdata); } else { article_done(art, -1); continue; } } else { /* we got 235 from IHAVE */ if (artdata) { xmit_artbody(conn, artdata); } else { XMIT_LITERAL(".\r\n"); } } LIST_ADDTAIL(conn->sent, art); } else { /* check it */ if (conn->stream) XMIT_LITERAL("CHECK "); else XMIT_LITERAL("IHAVE "); xmit_noalloc(conn, art->messageid, art->midlen); XMIT_LITERAL("\r\n"); assert(art->state == art_Unchecked); art->ipf->counts.results[art->state][RC_sent]++; LIST_ADDTAIL(conn->sent, art); } } }