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2016-02-12build: add a sanitizer debug optionMike Frysinger
Building & running with ASAN is super helpful, so add a dedicated config knob for it. This way people don't have to guess at the right compiler settings in order to get a good build. We can just tell people to enable this one option. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2016-02-11networking: allow dot at the end of the domain name in dhcp responseDenys Vlasenko
Patch based on Balaji Punnuru <balaji.punnuru@gmail.com> work. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-02-11init: make the command-line rewrite optionalNicolas Carrier
When launched as PID 1 and after parsing its arguments, init wipes all all of them except argv[0] and rewrites argv[0] to contain only "init", so that its command-line appears solely as "init" in tools such as ps. This patch adds the FEATURE_INIT_MODIFY_CMDLINE which, if set to n, will make init preserve all its arguments including argv[0], be they parsed or ignored. The original command-line used to launch init can then be retrieved in /proc/1/cmdline on Linux, for example. Signed-off-by: Nicolas Carrier <nicolas.carrier@parrot.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-02-10ntpd: shorter messageDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-02-10ntpd: step when |offset| > 1 sec, not 0.125 secDenys Vlasenko
update_local_clock 769 820 +51 recv_and_process_peer_pkt 838 862 +24 reset_peer_stats 137 133 -4 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/1 up/down: 75/-4) Total: 71 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-02-01busybox: fix uninitialized memory when displaying IPv6 addressesFelix Fietkau
After commit 8e74adab0107658e3dc04ed342206272a284f43e ("libbb: make INET[6]_rresolve use sockaddr2{host,dotted}_noport") INET_sprint6 uses more than just sin6_addr, it also tries to display the scope id, which is uninitialized when called from ife_print6. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-02-01dd: support iflag=skip_bytesRafał Miłecki
It allows specifying amount of bytes directly (not only amount of blocks) is also supported by GNU's Coreutils. function old new delta parse_comma_flags - 93 +93 static.iflag_words - 12 +12 dd_main 1569 1580 +11 packed_usage 30591 30600 +9 ------------------------------------------------------------------------------ (add/remove: 2/0 grow/shrink: 2/0 up/down: 125/0) Total: 125 bytes Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-02-01Fix compiling with musl's utmp stubsKylie McClain
This patch fixes compiling busybox with FEATURE_UTMP and _WTMP enabled. musl, while not really support utmp/wtmp, provides stub functions, as well as variables such as _PATH_UTMP, so that programs using utmp or wtmp can still compile fine. My reasoning for this patch is that on Exherbo, I'm currently trying to get us to be able to use the same busybox config file for both glibc and musl systems, using utmp/wtmp on systems that support it, and using the stubs on musl without needing two different configs. As of latest musl git, it provides all utmp functions needed; 1.1.12 doesn't, but I sent a patch to Rich to add the utmp{,x}name functions expected to exist, which was merged into musl upstream. Signed-off-by: Kylie McClain <somasissounds@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-01-31printf: short-circuit output when argument to %b includes \cRon Yorston
printf wasn't correctly handling \c in an argument to the %b format specifier. printf %bXX OK\\c returned 'OK\cXX' rather than the expected 'OK'. function old new delta printf_main 886 899 +13 Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-01-24sed: make 's///w FILE' actually write to FILE. Closes 8251Denys Vlasenko
function old new delta add_cmd 1167 1210 +43 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-01-23patch: correctly handle "patch FILE_TO_PATCH" form. Closes 7736Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-01-17dos2unix: try to preserve ownership. closes 8311Denys Vlasenko
function old new delta dos2unix_main 426 441 +15 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-01-17setsid: implement -cDenys Vlasenko
function old new delta setsid_main 53 96 +43 packed_usage 30846 30833 -13 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-01-13truncate: use O_WRONLY|O_NONBLOCKMike Frysinger
This matches coreutils behavior. We don't read the fd, and truncation does not need blocking. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2016-01-13truncate: always set mode when opening file to avoid fortify errorsAri Sundholm
Busybox crashes due to no mode being given when opening: $ ./busybox truncate -s 1M foo *** invalid open64 call: O_CREAT without mode ***: ./busybox terminated ======= Backtrace: ========= /lib/x86_64-linux-gnu/libc.so.6(+0x7338f)[0x7f66d921338f] /lib/x86_64-linux-gnu/libc.so.6(__fortify_fail+0x5c)[0x7f66d92aac9c] /lib/x86_64-linux-gnu/libc.so.6(+0xeb6aa)[0x7f66d928b6aa] ./busybox[0x4899f9] ======= Memory map: ======== 00400000-004d0000 r-xp 00000000 00:1a 137559 /home/ari/busybox/busybox 006cf000-006d0000 r--p 000cf000 00:1a 137559 /home/ari/busybox/busybox 006d0000-006d1000 rw-p 000d0000 00:1a 137559 /home/ari/busybox/busybox 006d1000-006d4000 rw-p 00000000 00:00 0 014e7000-01508000 rw-p 00000000 00:00 0 [heap] 7f66d8f8a000-7f66d8fa0000 r-xp 00000000 08:07 1579008 /lib/x86_64-linux-gnu/libgcc_s.so.1 7f66d8fa0000-7f66d919f000 ---p 00016000 08:07 1579008 /lib/x86_64-linux-gnu/libgcc_s.so.1 7f66d919f000-7f66d91a0000 rw-p 00015000 08:07 1579008 /lib/x86_64-linux-gnu/libgcc_s.so.1 7f66d91a0000-7f66d935b000 r-xp 00000000 08:07 1578994 /lib/x86_64-linux-gnu/libc-2.19.so 7f66d935b000-7f66d955a000 ---p 001bb000 08:07 1578994 /lib/x86_64-linux-gnu/libc-2.19.so 7f66d955a000-7f66d955e000 r--p 001ba000 08:07 1578994 /lib/x86_64-linux-gnu/libc-2.19.so 7f66d955e000-7f66d9560000 rw-p 001be000 08:07 1578994 /lib/x86_64-linux-gnu/libc-2.19.so 7f66d9560000-7f66d9565000 rw-p 00000000 00:00 0 7f66d9565000-7f66d966a000 r-xp 00000000 08:07 1579020 /lib/x86_64-linux-gnu/libm-2.19.so 7f66d966a000-7f66d9869000 ---p 00105000 08:07 1579020 /lib/x86_64-linux-gnu/libm-2.19.so 7f66d9869000-7f66d986a000 r--p 00104000 08:07 1579020 /lib/x86_64-linux-gnu/libm-2.19.so 7f66d986a000-7f66d986b000 rw-p 00105000 08:07 1579020 /lib/x86_64-linux-gnu/libm-2.19.so 7f66d986b000-7f66d988e000 r-xp 00000000 08:07 1578981 /lib/x86_64-linux-gnu/ld-2.19.so 7f66d9a64000-7f66d9a67000 rw-p 00000000 00:00 0 7f66d9a8a000-7f66d9a8d000 rw-p 00000000 00:00 0 7f66d9a8d000-7f66d9a8e000 r--p 00022000 08:07 1578981 /lib/x86_64-linux-gnu/ld-2.19.so 7f66d9a8e000-7f66d9a8f000 rw-p 00023000 08:07 1578981 /lib/x86_64-linux-gnu/ld-2.19.so 7f66d9a8f000-7f66d9a90000 rw-p 00000000 00:00 0 7ffc47761000-7ffc47782000 rw-p 00000000 00:00 0 [stack] 7ffc477ab000-7ffc477ad000 r-xp 00000000 00:00 0 [vdso] ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall] Aborted (core dumped) $ Fix this by simply always setting the mode, as it doesn't hurt even when O_CREAT is not specified. This bug is a regression introduced in fc3e40e, as xopen(), which was originally used, would automatically set the mode. Signed-off-by: Ari Sundholm <ari@tuxera.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2016-01-03login: add commented-out PAM double password avoidance from BZ 4003Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-01-02nandwrite: implement -n (read/write without ecc)Aaro Koskinen
Implement -n (read/write without ecc). Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-01-02blkdiscard: new appletAri Sundholm
function old new delta blkdiscard_main - 264 +264 Signed-off-by: Ari Sundholm <ari@tuxera.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-01-02ash: suppress a compilation warningCristian Ionescu-Idbohrn
Reported by gcc (Debian 5.3.1-4) 5.3.1 20151219 shell/ash.c: In function 'evaltree': shell/ash.c:8432:19: warning: logical not is only applied to the left hand side of comparison Signed-off-by: Cristian Ionescu-Idbohrn <cristian.ionescu-idbohrn@axis.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-12-30mount: support "nofail" option. Closes 8551Denys Vlasenko
function old new delta singlemount 1045 1060 +15 mount_option_str 338 345 +7 mount_it_now 355 361 +6 mount_options 172 176 +4 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 4/0 up/down: 32/0) Total: 32 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-12-30iproute: support "scope". Closes 8561Denys Vlasenko
function old new delta iproute_modify 1051 1120 +69 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-12-18swaponoff: fix compile-time warningDenys Vlasenko
CC util-linux/swaponoff.o cc1: warnings being treated as errors util-linux/swaponoff.c: In function 'swap_enable_disable': util-linux/swaponoff.c:100: warning: passing argument 1 of 'resolve_mount_spec' from incompatible pointer type make[1]: *** [util-linux/swaponoff.o] Error 1 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-12-18chpasswd: support -c argument and respect DEFAULT_PASSWD_ALGOPascal Bach
Signed-off-by: Pascal Bach <pascal.bach@siemens.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-12-17include/platform.h: Remove extra #endif introduced in 6df9612.Ari Sundholm
It causes the compilation to fail. Signed-off-by: Ari Sundholm <ari@tuxera.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2015-12-17Resolve linker issues with Android API 21 (dprintf, tcdrain)Chris Renshaw
Signed-off-by: Chris Renshaw <osm0sis@outlook.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-12-16blkid: add bcache supportMike Frysinger
URL: https://bugs.gentoo.org/508596 Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2015-12-16swapon/swapoff: refine the -e (ifexists) optionMike Frysinger
The -e option should only apply to swapon, and it should swallow all errors/warnings when the device does not exist. So delete the flag from the swapoff patch and unify the check in the swapoff path. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2015-12-01trylink: include LDFLAGS when checking linkageMike Frysinger
The user might be including options in their LDFLAGS (like -fuse-ld=gold) that change the behavior of the linker and thus change the results of the flag tests. Make sure we include the user's LDFLAGS when running these tests so we filter out flags that will fail when used later on. URL: https://bugs.gentoo.org/499712 Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2015-11-06modutils: fix build error with !DEPMODDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-11-05modutils: merge module_entry and module_info to commonTimo Teräs
This merges the in-memory module info structures of modprobe and depmod. This allows sharing hashing by modulename code improving depmod runtime with almost factor of 2x. function old new delta get_or_add_modentry - 17 +17 do_modprobe 590 601 +11 moddb_get_or_create - 10 +10 load_modules_dep 195 205 +10 moddb_get - 7 +7 add_probe 81 78 -3 modprobe_main 721 714 -7 depmod_main 553 543 -10 config_file_action 434 421 -13 helper_get_module 160 144 -16 parse_module 343 320 -23 order_dep_list 105 82 -23 ------------------------------------------------------------------------------ (add/remove: 3/0 grow/shrink: 2/7 up/down: 55/-95) Total: -40 bytes Signed-off-by: Timo Teräs <timo.teras@iki.fi> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-11-04TODO file: remove mpstat, iostat, powertop - we have them nowDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-11-04ash: add support for bash 'function' keywordRon Yorston
Where the POSIX shell allows functions to be defined as: name () compound-command [ redirections ] bash adds the alternative syntax: function name [()] compound-command [ redirections ] Implement this in ash's bash compatibility mode. Most compound commands work (for/while/until/if/case/[[]]/{}); one exception is: function f (echo "no way!") The other two variants work: f() (echo "ok") function f() (echo "also ok") function old new delta parse_command 1555 1744 +189 tokname_array 232 240 +8 .rodata 155612 155566 -46 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/1 up/down: 197/-46) Total: 151 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-11-04hush-misc/func_args1.tests: remove "UNFIXED BUG", it does not failDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-11-04ash: copy function tests from hush testsuiteRon Yorston
Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-11-01i2c_tools: suppress "'blen' may be used uninitialized in this function"Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-11-01i2cdump: display the numeric value for block read ioctl() errorsBartosz Golaszewski
This makes busybox i2cdump compatible with the upstream version, which also displays the numeric error value in case of a block read failure. Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-11-01i2cdump: bail-out if block read failsBartosz Golaszewski
We should bail-out if i2c_smbus_read_block_data() or i2c_smbus_read_i2c_block_data() return 0 or less. Add the missing check for the former and fix the existing for the latter. Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-11-01i2cdump: use I2C block mode for the 'i' mode parameterBartosz Golaszewski
Currently we're calling i2c_smbus_read_block_data() for both 'i' and 's' mode parameters. If the bus doesn't support SMBus block mode, then the i2c access ioctl() fails. Make i2cdump behave compatibly with upstream version by calling i2c_smbus_read_i2c_block_data() for I2C block. Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-11-01i2cdump: don't read block data in non-block modesBartosz Golaszewski
We currently read data twice in byte mode. Add a check to avoid calling i2c_smbus_read_i2c_block_data() if we're not in I2C or SMBus block mode. Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-11-01i2cdetect: coding style: add a space after 'for'Bartosz Golaszewski
Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-11-01i2cdetect: fix address skipping in auto modeBartosz Golaszewski
If the bus doesn't support SMBus Quick Write or Receive Byte commands and we're running in auto mode all addresses will be skipped resulting in an empty table being printed. This is caused by not restoring the auto mode after it's been changed for certain address ranges - we need an additional variable to hold the temporary state. Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-10-31ifupdown: use -x hostname:NAME with udhcpcNatanael Copa
The -H NAME is deprecated in udhcpc. See commit 2017d48c0d70bef8768efb42909e605ea8eb5a21 Signed-off-by: Natanael Copa <ncopa@alpinelinux.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-10-30[g]unzip: fix recent breakage.Denys Vlasenko
Also, do emit error message we so painstakingly pass from gzip internals Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-10-30ash: allow popredir to be called if the stack is emptyRon Yorston
If /tmp/test.sh is a script that tries to run a second script which happens to be non-executable this: command . /tmp/test.sh causes a seg fault. This is because clearredir is called in the error path to clear the stack of redirections. The normal path then calls popredir, but popredir fails when the stack is empty. Reported-by: Bastian Bittorf <bittorf@bluebottle.com> Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-10-30ash: fix EXEXEC status clobberingRon Yorston
evalcommand always clobbers the exit status in case of an EXEXEC which means that exec always fails with exit status 2 regardless of what it actually returns. This patch adds the missing check for EXEXEC so that the correct exit status is preserved. It causes the test ash-misc/exec.tests to succeed. Based on commit 7f68426 in dash git, by Herbert Xu. Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-10-30ash: add tests for failures of the exec and command builtinsRon Yorston
The exec builtin should return an exit status of 127 if the command can't be found. It doesn't: it returns 2. If the command builtin is used to source a script that runs a second script that doesn't exist ash should issue an error. Instead it seg faults. Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-10-30stat: make -f optional. This allows to build stat for non-linux systemsDenys Vlasenko
function old new delta packed_usage 30761 30706 -55 Based on the patch by Ron Yorston. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-10-30lineedit: FEATURE_REVERSE_SEARCH should not depend on SAVEHISTORYDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-10-30lineedit: search applets as well as PATH for tab completionRon Yorston
In standalone shell mode search the applet table as well as PATH when tab completing a command. Use a stupid linear search: we're also about to read all the directories on PATH so efficiency isn't a big concern. function old new delta add_match - 53 +53 complete_cmd_dir_file 687 724 +37 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 1/0 up/down: 90/0) Total: 90 bytes Signed-off-by: Ron Yorston <rmy@frippery.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-10-30busybox: alter help message in standalone shell modeRon Yorston
Signed-off-by: Ron Yorston <rmy@frippery.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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