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2018-11-05tls: code shrinkDenys Vlasenko
function old new delta tls_handshake 1643 1619 -24 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-11-04tls: reorder a few more cipher idsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-11-04tls: move TLS_AES_128_GCM_SHA256 definition upDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-11-04tls: add more cipher ids, no code changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-11-03udhcpc: code shrinkDenys Vlasenko
function old new delta perform_release 112 172 +60 send_release 81 - -81 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 1/0 up/down: 60/-81) Total: -21 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-11-02remove FAST_FUNC on a static functionDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-11-02scripts/embedded_scripts: do not add superfluous NUL to script_names[]Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-11-02libarchive: add a function to unpack embedded dataRon Yorston
Similar code to unpack embedded data is used to decompress usage messages, embedded scripts and the config file (in the non-default bbconfig applet). Moving this code to a common function reduces the size of the default build and hides more of the internals of libarchive. function old new delta unpack_bz2_data - 135 +135 bb_show_usage 137 157 +20 get_script_content 32 47 +15 unpack_scripts 119 - -119 unpack_usage_messages 124 - -124 ------------------------------------------------------------------------------ (add/remove: 1/2 grow/shrink: 2/0 up/down: 170/-243) Total: -73 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-11-01svlogd: fix pattern matching when using timestampsDenys Vlasenko
function old new delta svlogd_main 1488 1496 +8 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-11-01busybox: show embedded scripts in applet listDenys Vlasenko
function old new delta busybox_main 624 642 +18 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-11-01lineedit: autocompletion for embedded scriptsRon Yorston
function old new delta complete_cmd_dir_file 811 826 +15 Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-11-01ash: fix thinko in last commitDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-11-01ash: in tryexec(), ensure we don't try to run embedded scripts as appletsRon Yorston
Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-11-01ash: recognize embedded scripts in SH_STANDALONE modeRon Yorston
function old new delta find_script_by_name - 51 +51 shellexec 254 271 +17 find_command 990 1007 +17 evalcommand 1653 1661 +8 doCommands 2233 2222 -11 run_applet_and_exit 128 100 -28 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 6/4 up/down: 104/-52) Total: 52 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-11-01claenups for previous commitDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-11-01ash: allow shell scripts to be embedded in the binaryDenys Vlasenko
To assist in the deployment of shell scripts it may be convenient to embed them in the BusyBox binary. 'Embed scripts in the binary' takes any files in the directory 'embed', concatenates them with null separators, compresses them and embeds them in the binary. When scripts are embedded in the binary, scripts can be run as 'busybox SCRIPT [ARGS]' or by usual (sym)link mechanism. embed/nologin is provided as an example. function old new delta packed_scripts - 123 +123 unpack_scripts - 87 +87 ash_main 1103 1171 +68 run_applet_and_exit 78 128 +50 get_script_content - 32 +32 script_names - 10 +10 expmeta 663 659 -4 ------------------------------------------------------------------------------ (add/remove: 4/0 grow/shrink: 2/1 up/down: 370/-4) Total: 366 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-10-31vi: remove duplicated codeRon Yorston
At worst show_status_line() might be called needlessly when the user presses ^L/^R, but I don't think we'll get many complaints about that. function old new delta do_cmd 4592 4558 -34 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-34) Total: -34 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-10-31libbb/u_signal_names.c: don't check errno after bb_strtouRasmus Villemoes
Since we're comparing the return value to a smallish integer anyway, we might as well use that bb_strtou() returns UINT_MAX for malformed input. Referencing errno is kinda bloaty on glibc. While NSIG is not in POSIX, we do already rely on it being defined, compile-time const and smallish, since arrays in struct globals_misc are defined in terms of it. function old new delta get_signum 312 286 -26 Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-10-31libbb: optionally honour libc provided SIGRTMIN/SIGRTMAX in get_signum()Rasmus Villemoes
When an application documents that it responds such and such to SIGRTMIN+n, that almost always means with respect to the libc-provided SIGRTMIN. Hence I disagree with the "more correct" in commit 7b276fc17594. In any case, this is rather unfortunate: 36 34 (the first shell is bash). We probably can't change default behaviour after 7 years, but at least we can provide a config option. We avoid a little code generation (repeated calls to __libc_current_sigrtmin) by stashing SIGRTMIN/SIGRTMAX in local variables, but it does cost ~50 bytes. The next patch serves as penance for that. Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-10-30printf: fix printf "%u\n" +18446744073709551614Denys Vlasenko
function old new delta conv_strtoll 19 32 +13 conv_strtoull 49 61 +12 bb_strtoll 89 84 -5 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/1 up/down: 25/-5) Total: 20 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-10-30ntpd: default to FEATURE_NTP_AUTH=yDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-10-30dd: do not have 'ocount' variable if ibs/obs support is not enabledDenys Vlasenko
function old new delta packed_usage 32964 32961 -3 dd_main 1033 1021 -12 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-15) Total: -15 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-10-30dd: add 'oflag=seek_bytes'Rostislav Skudnov
Allow specifying position in the output file in bytes instead of obs-sized blocks, improve compatibility with GNU dd. function old new delta dd_main 1632 1693 +61 packed_usage 33130 33150 +20 static.oflag_words - 12 +12 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 2/0 up/down: 93/0) Total: 93 bytes Signed-off-by: Rostislav Skudnov <rostislav@tuxera.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-10-30xargs: fix exit code if command exits nonzero, closes 11381Denys Vlasenko
No code size change on x86. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-10-30free: add 'available' memory if provided by the kernelGuillermo Rodriguez
Show estimated available memory if this is provided by the kernel. See [1] for the full story. [1]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=34e431b0ae398fc54ea69ff85ec700722c9da773 function old new delta free_main 537 633 +96 parse_cached_kb 85 - -85 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 1/0 up/down: 96/-85) Total: 11 bytes Signed-off-by: Guillermo Rodriguez <guille.rodriguez@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-10-30examples/udhcp/simple.script: add possibility to use modern "ip"Jiří Prchal
Script uses "ifconfig" only, not up-to-date so much. This patch adds "ip" in condition if exists. Signed-off-by: Jiří Prchal <jiri.prchal@aksignal.cz> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-10-30udhcpc: ensure at least one unicast renew attemptDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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>
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