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2014-06-30lzop: add overflow checkDenys Vlasenko
See CVE-2014-4607 http://www.openwall.com/lists/oss-security/2014/06/26/20 function old new delta lzo1x_decompress_safe 1010 1031 +21 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-06-27stat: fix printing selinux context and null-dereferenceMichael Gernoth
busybox stat tries to always print the selinux context, even if it is not requested which leads to a segmentation fault due to dereferencing a null-pointer. This also changes the format-string used to print the context to so it actually produces useful output. Signed-off-by: Michael Gernoth <michael@gernoth.net> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-06-27ftpd: do not use root_fd if we are not in chrootDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-06-27ftpd: for LIST, open current directory *in the child*Denys Vlasenko
Last change introduced an open fd leak. This is the fix. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-06-27ftpd: escape chroot prior to re-executing ls helperDenys Vlasenko
When we merely chdir to saved "real" root fd, exec("proc/self/exe") works for static executables but not for dynamic ones (they can't find their interpreter). With this patch, we also *chroot* to real root. As a bonus, this gives us proper usernames, timezone conversion etc. function old new delta popen_ls 203 259 +56 ftpd_main 2362 2366 +4 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-06-26awk: fix handling of "if ... break ; else ..." - closes 7226Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-06-26ftpd: optimize writes of LIST results a bitDenys Vlasenko
function old new delta handle_dir_common 201 207 +6 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-06-25nanddump: change default to --bb=skipbadRichard Genoud
since mtd-utils 1.4.7, the default behaviour of nanddump is skipbad (commit 2521d4f1b6b9866a9c89f3c11a4f6a3d763ff1d7) Signed-off-by: Richard Genoud <richard.genoud@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-06-25nanddump: kill -b Omit bad blockRichard Genoud
since mtd-utils 1.4.7, the omit bad block method has been removed. (cf commit d8b8f780ec3c916f3990e9227d6bfbb22bf42ef8) Signed-off-by: Richard Genoud <richard.genoud@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-06-25nanddump: add options --bb=skipbad and padbadRichard Genoud
In mtd-utils, the bad block options changed in favor of --bb=[skipbad|padbad|dumpbad] and omitbad has been removed. This patch add the --bb=skipbad and padbad methods to busybox' nanddump. padbad is the current default behaviour. The difference between skipbad and omitbad is this one: On a 16K block NAND, if the 1st block of mtd0 is bad, we'll have: nanddump -b -l 16384 /dev/mtd0 | wc -c 0 nanddump --bb=skipbad -l 16384 /dev/mtd0 | wc -c 16384 <- data from 1st good block Signed-off-by: Richard Genoud <richard.genoud@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-06-25nanddump: correct rounding to next page (lead to infinite loop)Richard Genoud
The rounding to next page formula was wrong: ex: (len | ~(meminfo->writesize - 1)) + 1; len=128K writesize=4K (len | ~(meminfo->writesize - 1)) + 1 => 4 294 963 201 ?! correct rounding formula: ((len - 1) | (meminfo->writesize - 1)) + 1 => 128K len = 130K ((len - 1) | (meminfo->writesize - 1)) + 1 => 132K modprobe nandsim parts="20,20" badblocks="22,23" without patch: nanddump /dev/mtd1 | wc -c [...] infinite loop with the patch: nanddump /dev/mtd1 | wc -c 327680 Signed-off-by: Richard Genoud <richard.genoud@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-06-25ftpd: support deprecated XPWD commandDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-06-25libbb: fix compile failure if both ARG_MAX and _SC_ARG_MAX are definedDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-06-22unlink: new appletIsaac Dunham
function old new delta unlink_main - 45 +45 packed_usage 29667 29686 +19 Signed-off-by: Isaac Dunham <ibid.ag@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-06-22unit-tests: implement the unit-testing frameworkBartosz Golaszewski
This set of patches adds a simple unit-testing framework to Busybox unit-tests: add some helper macros for unit-test framework implementation unit-tests: implement the unit-testing framework unit-tests: add basic documentation on writing the unit test cases unit-tests: modify the Makefile 'test' target to run unit-tests too unit-tests: add two example test cases unit-tests: modify the existing strrstr test code to use the unit-test framework Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-06-22libbb: use a wrapper around sysconf(_SC_CLK_TCK) to save a few bytesBartosz Golaszewski
function old new delta bb_sc_clk_tck - 10 +10 timescmd 118 113 -5 print_route 1763 1758 -5 mpstat_main 1288 1283 -5 iostat_main 1947 1942 -5 INET_setroute 879 871 -8 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/5 up/down: 10/-28) Total: -18 bytes Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-06-22find: use sysconf(_SC_ARG_MAX) to determine the command-line size limitDenys Vlasenko
The find utility uses a hardcoded value of 32 * 1024 as the limit of the command-line length when calling 'find -exec ... {} +'. This results in over 4 times more execve() calls than in coreutils' find. This patch uses the limit defined in system headers. Based on the patch by Bartosz Golaszewski <bartekgola@gmail.com>. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-06-19find: exit code fixes for find -execDenys Vlasenko
function old new delta func_exec 127 100 -27 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-06-17find: add optional support for '-exec ... {} +'Bartosz Golaszewski
function old new delta do_exec - 309 +309 parse_params 1416 1487 +71 find_main 342 406 +64 packed_usage 29958 30014 +56 func_exec 138 127 -11 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 3/1 up/down: 500/-11) Total: 489 bytes Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-06-16udhcpc: make hostname sanitization optional. Closes 3979Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-06-02syslogd: Unify unlink/truncate + unlock log-rotation logicJoshua Judson Rosen
Always unlink + reopen, rather than sometimes using ftruncate(); using a single code-path reduces the opportunity for either mistakes or duplicate code. Signed-off-by: Joshua Judson Rosen <jrosen@harvestai.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-06-02syslogd: remember to un-writelock log-files even when called with "-b 0"Joshua Judson Rosen
Signed-off-by: Joshua Judson Rosen <jrosen@harvestai.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-06-02syslogd: avoid spurious ftrunctate() calls for "-b 0"Joshua Judson Rosen
Forgetting to re-set log_file->size after truncating to zero discards log-data for the next 1 second following an oversize-induced purge, when we shouldn't necessarily throw that data away. Signed-off-by: Joshua Judson Rosen <jrosen@harvestai.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-05-26modprobe-small: fix safe_strncpy truncating last char of module nameDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-05-19Add conditional support for -v / --verboseDenys Vlasenko
With FEATURE_VERBOSE off, practically no size change. With it on: function old new delta remove_file 493 556 +63 install_main 719 765 +46 bb_make_directory 383 419 +36 rmdir_main 162 191 +29 copy_file 1516 1544 +28 mv_main 502 525 +23 cmp_main 677 693 +16 bbconfig_config_bz2 5264 5279 +15 mkdir_main 158 168 +10 install_longopts 66 76 +10 rm_main 167 175 +8 nexpr 840 846 +6 scan_tree 275 280 +5 fsck_main 1807 1811 +4 ed_main 2541 2545 +4 expand_one_var 1574 1575 +1 swap_on_off_main 420 418 -2 parse_command 1443 1440 -3 redirect 1279 1274 -5 do_load 946 918 -28 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 16/4 up/down: 304/-38) Total: 266 bytes Based on the patch by Igor Živković. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-05-11getty: explain when setsid() fails. no code changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-05-11Merge branch 'master' of git+ssh://vda@busybox.net/var/lib/git/busyboxDenys Vlasenko
2014-05-04trylink: emit names of linked executablesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-05-04which: rewriteTito Ragusa
function old new delta which_main 237 212 -25 Signed-off-by: Tito Ragusa <farmatito@tiscali.it> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-05-03trylink: emit names of linked executablesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-05-03which: rewriteTimo Teräs
function old new delta which_main 237 212 -25 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-05-02libbb: rename execable -> executable. No code changesDenys Vlasenko
English speakers complained that it sounded awfully broken. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-05-02libbb: fix empty PATH components handlingDenys Vlasenko
function old new delta find_execable 81 86 +5 exists_execable 71 66 -5 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-05-02rtcwake: fix incorrect (reversed) rtc/sys adjuestment; code shrinkDenys Vlasenko
function old new delta rtcwake_main 482 462 -20 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-05-02libbb: fix thinko in rtc_xopen()Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-05-02libbb: make rtc_xopen try harder on EBUSYDenys Vlasenko
function old new delta rtc_xopen 77 139 +62 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-05-02Fix compile failuresDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-04-30crond: implement "SHELL=prog" in crontab. Export LOGNAME as POSIX wantsDenys Vlasenko
function old new delta fork_job 343 456 +113 load_crontab 688 777 +89 crond_main 1456 1434 -22 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/1 up/down: 202/-22) Total: 180 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-04-30crond: simplify logging codeDenys Vlasenko
Slight change in behavior: now -l 5 will enable the same messages formerly only enabled for -d 5. (Old behavior was non-sensical). function old new delta reopen_logfile_to_stderr - 34 +34 log8 - 26 +26 log7 - 26 +26 log5 - 26 +26 load_crontab 706 688 -18 rescan_crontab_dir 157 137 -20 crond_main 1486 1456 -30 fork_job 389 343 -46 crondlog 108 38 -70 ------------------------------------------------------------------------------ (add/remove: 4/0 grow/shrink: 0/5 up/down: 112/-184) Total: -72 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-04-30libbb: make syslog level for bb_error_msg's configurable. use it in crondDenys Vlasenko
function old new delta bb_verror_msg 380 386 +6 syslog_level - 1 +1 crondlog 165 108 -57 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-04-30crond: tweak help text, make course less crypticDenys Vlasenko
function old new delta packed_usage 29736 29740 +4 crond_main 1485 1486 +1 load_crontab 712 706 -6 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-04-21modprobe-small: (un)load all modules which match the alias, not only first oneDenys Vlasenko
Closes 627 and 7034. Commonly seen case is (un)loading of an alias which matches ata_generic and a more specific ata module. For example: modprobe [-r] pci:v00008086d00007010sv00000000sd00000000bc01sc01i80 (ata_generic and pata_acpi) modprobe [-r] pci:v00001106d00000571sv00001509sd00009022bc01sc01i8a (ata_generic and pata_via) function old new delta process_module 615 728 +113 parse_module 309 395 +86 find_alias 621 653 +32 pathname_matches_modname 78 79 +1 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 4/0 up/down: 232/0) Total: 232 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-04-20ntpd: fix wrong delay value in one of the printed messagesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-04-19ntpd: truly ignore high delay packetDenys Vlasenko
Before this cahnge, sometimes they were used after the next packet from another peer was received, because we did updare some peer stats from high delay packet before dropping it. function old new delta recv_and_process_peer_pkt 922 966 +44 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-04-19modprobe-small: remove redundant aliases from modules.dep.bbDenys Vlasenko
function old new delta parse_module 309 395 +86 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-04-19modprobe-small: fix help messages for aliased module-related appletsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-04-17adjtimex: make its help text and printed data a bit less crypticDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-04-16libbb/obscure.c: code shrink. Suggested by Tito.Denys Vlasenko
function old new delta string_checker 97 92 -5 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-04-15ash,hush: set $HOSTNAME is bash compat. Closes 7028Denys Vlasenko
function old new delta hush_main 1056 1128 +72 ash_main 1442 1487 +45 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-04-13libbb: provide usleep() fallback implementationBernhard Reutner-Fischer
POSIX.1-2008 removed the usleep function, provide a fallback implementaion using the recommended nanosleep(). Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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