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2018-10-27ntpd: add support for MD5/SHA1 message authenticationBrandon P. Enochs
Add support for MD5 message authentication as described in RFC 5905. This patch also supports SHA1 authentication. The key file format is the same file format as used by ntpd. The configuration file format follows standard Unix conventions (# comments) with lines consist of the following fields separated by whitespace: <key identifier, [1,65535]> <SHA1|MD5> <an ASCII string of up to 20 characters|an octet string [a-zA-F0-9] of up to 40 characters>. https://www.ietf.org/rfc/rfc5905.txt function old new delta ntp_init 473 987 +514 hash - 125 +125 recv_and_process_peer_pkt 889 961 +72 packed_usage 33066 33130 +64 ntpd_main 1226 1277 +51 find_key_entry - 29 +29 add_peers 195 207 +12 recv_and_process_client_pkt 509 514 +5 ------------------------------------------------------------------------------ (add/remove: 2/0 grow/shrink: 6/0 up/down: 872/0) Total: 872 bytes Signed-off-by: Brandon P. Enochs <enochs.brandon@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-10-24nbd-client: support newstyle protocol, -b, -d, -p, -NDenys Vlasenko
Recognize the "newstyle" protocol and switch to it automatically. Add options for setting blocksize (-b) and for disconnecting a nbd device (-d). function old new delta nbdclient_main 492 1179 +687 static.long_options - 80 +80 print_direc 438 457 +19 brctl_main 1169 1183 +14 bb_strtoll 84 89 +5 packed_usage 33082 33066 -16 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 4/1 up/down: 805/-16) Total: 789 bytes Signed-off-by: Elvira Khabirova <lineprinter@altlinux.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-10-19printf: fix printing +-prefixed numbersBernhard Reutner-Fischer
Thanks to Cristian Ionescu-Idbohrn for noticing. Also fix "%d" ' 42' to skip leading whitespace. function old new delta print_direc 435 454 +19 bb_strtoll 99 103 +4 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/0 up/down: 23/0) Total: 23 bytes Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2018-10-01brctl: use a single buffer for brname and ifnameBernhard Reutner-Fischer
function old new delta brctl_main 1681 1675 -6 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-6) Total: -6 bytes Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2018-09-30unzip: use printable_string() for printing filenamesDenys Vlasenko
function old new delta unzip_main 2726 2792 +66 printable_string2 - 57 +57 identify 4329 4336 +7 expmeta 659 663 +4 add_interface 99 103 +4 beep_main 286 289 +3 changepath 192 194 +2 builtin_type 115 117 +2 devmem_main 469 470 +1 input_tab 1076 1074 -2 create_J 1821 1819 -2 poplocalvars 314 311 -3 doCommands 2222 2214 -8 do_load 918 902 -16 printable_string 57 9 -48 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 8/6 up/down: 146/-79) Total: 67 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-09-30ifupdown: support "source-directory" stanzaBrandon Maier
Support the "source-directory" stanza from ifupdown[1]. source-directory will include all files in the named directory. Similar to the Busybox version of the "source" stanza, this version of source-directory does not currently support shell wildcards. We only check that the stanza starts with "source-dir" as ifupdown does[2]. [1] https://manpages.debian.org/stretch/ifupdown/interfaces.5.en.html#INCLUDING_OTHER_FILES [2] https://salsa.debian.org/debian/ifupdown/blob/0.8.33/config.c#L498 function old new delta read_interfaces 1150 1241 +91 Signed-off-by: Brandon Maier <brandon.maier@rockwellcollins.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-09-28move storage helpers to libbb.hDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-09-28udhcpc: give SIGUSR1-induced renew one chance of unicast renewDenys Vlasenko
The caps were inconsistent: timeout to renew was capped at 20 seconds, and any renews with timeout <= 60 seconds were forced to broadcast. function old new delta udhcpc_main 2683 2680 -3 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-09-26.gitignore: add ctags output filesMartin Kaiser
Exuberant ctags creates an output file called "tags" by default or "TAGS" when it's run in emacs mode. Add those two files to .gitignore so they won't be removed by git clean -df. Signed-off-by: Martin Kaiser <martin@kaiser.cx> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-09-25mdev.txt: explain the meaning of a leading "-"Martin Kaiser
If a line in mdev.conf starts with "-", parsing will continue even if a match is found in that line. Signed-off-by: Martin Kaiser <martin@kaiser.cx> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-09-25sed: fix double-free in FEATURE_CLEAN_UP codeDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-09-23date: do not allow "month #20" and such, closes 11356Denys Vlasenko
function old new delta parse_datestr 906 961 +55 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-09-22head: convert existing tests to new-styleThomas De Schampheleire
Signed-off-by: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-09-22head: add test case for negative -n invocationThomas De Schampheleire
Commit 2da9724b56169f00bd7fb6b9a11c9409a7620981 broke 'head -n -1' and was later reverted with 0d598ab9f03dbf320f7b81c05e4a94cb303dfbc7. This commit adds a test case to avoid future breakage. Signed-off-by: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-09-22init: hopefully fix "rebooting" in containersDenys Vlasenko
function old new delta pause_and_low_level_reboot 48 57 +9 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-09-13ntpd: more verbose message for "root distance too high" caseDenys Vlasenko
Managed to make ntpd on one of my machines to be stuck getting "root distance too high" all the time, but log is not giving me more informatin what exactly is happening... function old new delta select_and_cluster 1045 1095 +50 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-09-09remove_file: don't call rmdir if remove_file return failureChen Yu
When deleting a directory, the directory should not be removed if the file in the subdirectory fails to be deleted. Background information: When I tested the kernel using LTP (linux-test-project).I found the mv command have some issue. The LTP test case use the mv command to move the directory t1 in the cgroup file system to the /tmp directory. becase files in the cgroup file system are not allowed to be removed. so the mv reported "Permission denied", but I used the ls command to view the results and found that the directory t1 had been removed from the cgroup file system. For the same test case, I used the mv tool in the GNU coreutils, and the directory t1 will not be removed. the following testcase use busybox mv: / # mount -t cgroup -o cpu cgroup /cpu / # cd /cpu /cpu # mkdir -p t1 /cpu # ls cgroup.clone_children cpu.cfs_period_us cpu.stat t1 cgroup.procs cpu.cfs_quota_us notify_on_release tasks cgroup.sane_behavior cpu.shares release_agent /cpu # mv t1 /tmp mv: can't remove 't1/cgroup.procs': Operation not permitted mv: can't remove 't1/cpu.cfs_period_us': Operation not permitted mv: can't remove 't1/cpu.stat': Operation not permitted mv: can't remove 't1/cpu.shares': Operation not permitted mv: can't remove 't1/cpu.cfs_quota_us': Operation not permitted mv: can't remove 't1/tasks': Operation not permitted mv: can't remove 't1/notify_on_release': Operation not permitted mv: can't remove 't1/cgroup.clone_children': Operation not permitted /cpu # ls cgroup.clone_children cpu.cfs_period_us cpu.stat cgroup.procs cpu.cfs_quota_us notify_on_release tasks cgroup.sane_behavior cpu.shares release_agent /cpu # This patch fixed it, don't call rmdir if remove_file return failure, and under certain file systems, the mv could work normally. Signed-off-by: Chen Yu <yu.chen3@zte.com.cn> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-09-04whois: fix a possible out-of-bounds stack accessDenys Vlasenko
If fgets() returns incomplete string, we replace NUL with '\n', and then trim() runs on a non-NUL-terminated buffer. Prevent that. While at it, bump buffer from 1k to 2k. function old new delta query 519 524 +5 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-09-03chcon: fix issues with recurse and retval for retained filessagivd
- recurse is not acting as expected (looks like broken old code) - when not using verbose output, return value for retained files is 1, which is not expected. Signed-off-by: sagivd <sagivdev@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-09-03libbb: fix potential NULL pointer useDenys Vlasenko
function old new delta unicode_conv_to_printable2 193 216 +23 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-09-03libbb: fix use-after-free in copy_fileDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-09-02libbb: in xmalloc_fgets(), use size_t for bb_get_chunk_from_file()Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-09-02Revert "libbb: remove unnecessary variable in xmalloc_fgets"Denys Vlasenko
The variable is in fact necessary. commit 2da9724b56169f00bd7fb6b9a11c9409a7620981 Author: Quentin Rameau <quinq@fifth.space> Date: Sun Apr 1 17:05:35 2018 +0200 libbb: remove unnecessary variable in xmalloc_fgets Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-08-30smemcap: keep outputting by ignoring transient processes, take twoDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-08-26smemcap: keep outputting by ignoring transient processesAndre Goddard Rosa
function old new delta archivefile 167 176 +9 Signed-off-by: Andre Goddard Rosa <andre.rosa@lge.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-08-26sysklogd: add timestamp option to ignore message timestampsPeter Korsgaard
Some syslog producers provide inconsistent timestamps, so provide an option to ignore the message timestamps and always locally timestamp. In order to implement this, invert the valid-timestamp check, but only use the timestamp if this option is not enabled. This is in line with what what other syslogd implementations do: From sysklogd syslogd.c: * Sun Nov 7 12:28:47 CET 2004: Martin Schulze <joey@infodrom.org> * Discard any timestamp information found in received syslog * messages. This will affect local messages sent from a * different timezone. rsyslog's imuxsock module similary has an (enabled by default) IgnoreTimestamp option: https://www.rsyslog.com/doc/v8-stable/configuration/modules/imuxsock.html function old new delta packed_usage 32877 32912 +35 timestamp_and_log 363 376 +13 syslogd_main 1638 1641 +3 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/0 up/down: 51/0) Total: 51 bytes Signed-off-by: Peter Korsgaard <peter@korsgaard.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-08-26fix !CONFIG_FLOAT_DURATION buildDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-08-25ping: use setitimer() instead of ualarm()Denys Vlasenko
function old new delta sendping_tail 218 265 +47 ualarm 79 - -79 ------------------------------------------------------------------------------ (add/remove: 0/2 grow/shrink: 1/0 up/down: 47/-79) Total: -32 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-08-14ip: tweak --help textDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-08-14hush: tweak comment, no code changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-08-11hush: add a comment on how globbing (should) workDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-08-07ash: expand: Do not quote backslashes in unquoted parameter expansionDenys Vlasenko
Upstream commit: Date: Wed, 28 Mar 2018 18:37:51 +0800 expand: Do not quote backslashes in unquoted parameter expansion Here is a better example: a="/*/\nullx" b="/*/\null"; printf "%s\n" $a $b dash currently prints /*/\nullx /*/\null bash prints /*/\nullx /dev/null You may argue the bash behaviour is inconsistent but it actually makes sense. What happens is that quote removal only applies to the original token as seen by the shell. It is never applied to the result of parameter expansion. Now you may ask why on earth does the second line say "/dev/null" instead of "/dev/\null". Well that's because it is not the quote removal step that removed the backslash, but the pathname expansion. The fact that the /de\v does not become /dev even though it exists is just the result of the optimisation to avoid unnecessarily calling stat(2). I have checked POSIX and I don't see anything that forbids this behaviour. So going back to dash yes I think we should adopt the bash behaviour for pathname expansion and keep the existing case semantics. This patch does exactly that. Note that this patch does not work unless you have already applied https://patchwork.kernel.org/patch/10306507/ because otherwise the optimisation mentioned above does not get detected correctly and we will end up doing quote removal twice. This patch also updates expmeta to handle naked backslashes at the end of the pattern which is now possible. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> function old new delta expmeta 618 653 +35 memtodest 146 147 +1 Tested to work with both ASH_INTERNAL_GLOB on and off. hush does not handle this correctly. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-08-05hush: adopt ash's quote_in_varexp1.testsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-08-05ash: exec: Return 126 on most errors in shellexecDenys Vlasenko
Upstream commit: Date: Sat, 19 May 2018 02:39:37 +0800 exec: Return 126 on most errors in shellexec Currently when shellexec fails on most errors the shell will exit with exit status 2. This patch changes it to 126 in order to avoid ambiguities with the exit status from a successful exec. The errors that result in 127 has also been expanded to include ENOTDIR, ENAMETOOLONG and ELOOP. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> function old new delta shellexec 245 254 +9 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-08-05ash: eval: Restore input files in evalcommandDenys Vlasenko
Upstream commit: Date: Tue, 27 Mar 2018 00:39:35 +0800 eval: Restore input files in evalcommand When evalcommand invokes a command that modifies parsefile and then bails out without popping the file, we need to ensure the input file is restored so that the shell can continue to execute. Reported-by: Martijn Dekker <martijn@inlv.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> function old new delta unwindfiles - 20 +20 evalcommand 1635 1653 +18 getoptscmd 584 595 +11 popallfiles 20 10 -10 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 2/1 up/down: 49/-10) Total: 39 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-08-05ash: parser: Fix parsing of ${}Denys Vlasenko
Upstream commit: Date: Tue, 3 Apr 2018 00:40:25 +0800 parser: Fix parsing of ${} dash -c 'echo ${}' should print "Bad subtitution" but instead fails with "Syntax error: Missing '}'". This is caused by us reading an extra character beyond the right brace. This patch fixes it so that this construct only fails during expansion rather than during parsing. Fixes: 3df3edd13389 ("[PARSER] Report substition errors at...") Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> function old new delta readtoken1 2907 2916 +9 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-08-05ash,hush: fold shell_builtin_read() way-too-many params into a struct paramDenys Vlasenko
function old new delta getoptscmd 587 584 -3 readcmd 240 224 -16 shell_builtin_read 1426 1399 -27 builtin_read 210 182 -28 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/4 up/down: 0/-74) Total: -74 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-08-05hush: set IFS to default on startupDenys Vlasenko
function old new delta hush_main 1095 1110 +15 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-08-05hush: fix fallout from FILE->HFILE conversionDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-08-05ash: expand: Fix ghost fields with unquoted $@/$*Denys Vlasenko
Upstream commit: Date: Fri, 23 Mar 2018 18:58:47 +0800 expand: Fix ghost fields with unquoted $@/$* You're right. The proper fix to this is to ensure that nulonly is not set in varvalue for $*. It should only be set for $@ when it's inside double quotes. In fact there is another bug while we're playing with $@/$*. When IFS is set to a non-whitespace character such as :, $* outside quotes won't remove empty fields as it should. This patch fixes both problems. Reported-by: Martijn Dekker <martijn@inlv.org> Suggested-by: Harald van Dijk <harald@gigawatt.nl> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> function old new delta argstr 1111 1113 +2 evalvar 571 569 -2 varvalue 579 576 -3 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/2 up/down: 2/-5) Total: -3 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-08-05ash: var: Set IFS to fixed value at start timeDenys Vlasenko
Upstream commit: Date: Sat, 19 May 2018 02:39:43 +0800 var: Set IFS to fixed value at start time This patch forces the IFS variable to always be set to its default value, regardless of the environment. It also removes the long unused IFS_BROKEN code. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-08-05ash: eval: Variable assignments on functions are no longer persistentDenys Vlasenko
Upstream commit: Date: Wed, 4 Apr 2018 17:54:01 +0800 eval: Variable assignments on functions are no longer persistent Dirk Fieldhouse <fieldhouse@gmx.net> wrote: > In POSIX.1-2017 ("simultaneously IEEE Std 1003.1™-2017 and The Open > Group Technical Standard Base Specifications, Issue 7") > <http://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_09>, > we read under '2.9.1 Simple Commands' > > "Variable assignments shall be performed as follows: > ... > - If the command name is a standard utility implemented as a function > (see XBD Utility), the effect of variable assignments shall be as if the > utility was not implemented as a function. > ... > - If the command name is a function that is not a standard utility > implemented as a function, variable assignments shall affect the current > execution environment during the execution of the function. It is > unspecified: > > * Whether or not the variable assignments persist after the > completion of the function > > * Whether or not the variables gain the export attribute during > the execution of the function > > * Whether or not export attributes gained as a result of the > variable assignments persist after the completion of the function (if > variable assignments persist after the completion of the function)" POSIX used to require the current dash behaviour. However, you're right that this is no longer the case. This patch will remove the persistence of the variable assignment. I have considered the exporting the variables during the function execution but have decided against it because: 1) It makes the code bigger. 2) dash has never done this in the past. 3) You cannot use this portably anyway. Reported-by: Dirk Fieldhouse <fieldhouse@gmx.net> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> function old new delta evalcommand 1606 1635 +29 evalcase 313 317 +4 evalfun 280 268 -12 pushlocalvars 48 - -48 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 2/1 up/down: 33/-60) Total: -27 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-08-04ash,hush: properly handle ${v//pattern/repl} if pattern starts with /Denys Vlasenko
Closes 2695 function old new delta parse_dollar 762 790 +28 subevalvar 1258 1267 +9 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/0 up/down: 37/0) Total: 37 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-08-04tar: fix a thinko in prev commit - we need to copy to _unused_ fdDenys Vlasenko
function old new delta vfork_compressor 257 246 -11 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-08-04tar: handle the case when opened created tarball happens to have fd#0Denys Vlasenko
Reproducer: exec 0>&- exec 1>&- tar czf z.tar.gz FILE function old new delta vfork_compressor 229 257 +28 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-08-04tar: make source code a bit more terse, no logic changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-08-03uptime: add -s supportDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-08-03Complie libbb/duration.c if ping[6] is selectedDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-08-03ping: implement -i SECDenys Vlasenko
function old new delta common_ping_main 1862 1968 +106 ualarm - 79 +79 packed_usage 32858 32897 +39 sendping_tail 204 218 +14 ------------------------------------------------------------------------------ (add/remove: 5/0 grow/shrink: 3/0 up/down: 320/0) Total: 320 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-08-03timeout: fix arguments to match coreutilsDenys Vlasenko
Was: timeout [-t SECS] [-s SIG] PROG ARGS Is: timeout [-s SIG] SECS PROG ARGS function old new delta timeout_main 312 319 +7 packed_usage 32882 32858 -24 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/1 up/down: 7/-24) Total: -17 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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