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2016-08-26udhcpc: Unconditionally call deconfig script, not only if lease is activePeter Korsgaard
The udhcpc script may be used to setup fallback configuration (E.G. IPv4LL, fixed IP address, ..) that also needs to be cleaned up on release (E.G. when SIGUSR2 is called or on shutdown with -R), so unconditionally call deconfig. Signed-off-by: Peter Korsgaard <peter@korsgaard.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-08-23build system: always rewrite NUM_APPLETS.hDenys Vlasenko
Conditional rewrite can keep NUM_APPLETS.h mtime old, this causes make to try to regenerate it at every invocation. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-08-23fdisk: tweak some messagesDenys Vlasenko
"Total allocated sectors 2021315 greater than the maximum 2020356" maximum what? Turns out, that's the CHS size of the disk. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-08-23fdisk: print much less cryptic partition tableDenys Vlasenko
Before: Device Boot Start End Blocks Id System /dev/sdb1 * 1 998 255471+ 6 FAT16 What are "blocks"? What is that "+"? How big is this partition? Is start/end shown came from LBA fields or CHS fields? Why are we torturing the user?? After: Device Boot StartCHS EndCHS StartLBA EndLBA Sectors Size Id Type /dev/sdb1 * 0,1,1 996,15,32 32 510974 510943 249M 6 FAT16 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-08-22man: fix parsing of "DEFINE pager xyz". Closes 8976Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-08-22init: fix for FreeBSD console opening. Closes 9031Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-08-22unshare: --network should be --net. Closes 9116Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-08-22docs: Update filenames in keep_data_small.txtKang-Che Sung
The filenames in docs/keep_data_small.txt are a little bit outdated. It's better to change it to the current name. decompress_unzip.c -> decompress_gunzip.c (since commit 774bce8e8ba1e424c953e8f13aee8f0778c8a911) libbb/messages.c -> libbb/ptr_to_globals.c (since commit 574f2f43948bb21d6e4187936ba5a5afccba25f6) Signed-off-by: Kang-Che Sung <explorer09@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-08-22hush: fix "redirects can close script fd" bugDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-08-21build system: different fix for include/applet_tables.h/include/NUM_APPLETS.hDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-08-21wget/ssl_helper: update to wolfssl-3.9.8Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-08-20hush: do not leak script fds into NOEXEC childrenDenys Vlasenko
We set all opened script fds to CLOEXEC, thus making then go away after fork+exec. Unfortunately, CLOFORK does not exist. NOEXEC children will still see those fds open. For one, "ls" applet is NOEXEC. Therefore running "ls -l /proc/self/fd" in a script from standalone shell shows this: lrwx------ 1 root root 64 Aug 20 15:17 0 -> /dev/pts/3 lrwx------ 1 root root 64 Aug 20 15:17 1 -> /dev/pts/3 lrwx------ 1 root root 64 Aug 20 15:17 2 -> /dev/pts/3 lr-x------ 1 root root 64 Aug 20 15:17 3 -> /path/to/top/level/script lr-x------ 1 root root 64 Aug 20 15:17 4 -> /path/to/sourced/SCRIPT1 ... with as many open fds as there are ". SCRIPTn" nest levels. Fix it by closing these fds after fork (only for NOEXEC children). Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-08-20hush: bit better comments in redirect code. No logic changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-08-19hush: `cmd` and arithmetic also need the fix for FILE rewindDenys Vlasenko
Discovered by running testsuite with a newest glibc Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-08-19hush: fix a bug in FEATURE_SH_STANDALONE=y config. Closes 9186Denys Vlasenko
Run this in a "sh SCRIPT": sha256sum /dev/null echo END sha256sum is a NOEXEC applet. It runs in a forked child. Then child exit()s. By this time, entire script is read, and buffered in a FILE object from fopen("SCRIPT"). But fgetc() did not consume entire input. exit() lseeks back by -9 bytes, from <eof> to 'e' in 'echo'. (this may be libc-specific). This change of fd position *is shared with the parent*! Now parent can read more, and it thinks there is another "echo END". End result: two "echo END"s are run. Fix this by _exit()ing instead. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-08-19top: move free(prev_hist) out of signal pathDenys Vlasenko
It was seen being called recursively on repeated signals, leading to double free Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-08-16ifplugd: if SIOCSIFFLAGS fails with ENODEV, don't dieDenys Vlasenko
Some user managed to hit a race where iface is gone between SIOCGIFFLAGS and SIOCSIFFLAGS (!). If SIOCSIFFLAGS fails, treat it the same as failed SIOCGIFFLAGS Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-08-16less: fix bracket search to match behavior of less 481Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-08-16less: fix SEGVDenys Vlasenko
testcase: echo "" | less, then press ')' key Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-08-15gzip: add test that checks that -9 compresses better than -1Natanael Copa
Signed-off-by: Natanael Copa <ncopa@alpinelinux.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-08-15gzip: fix compression level bug. Closes 9131Natanael Copa
fix broken logic to get the gzip_level_config value from options -1 to -9. This fixes an off-by-one bug that caused gzip -9 output bigger files than the other compression levels. It fixes so that compression level 1 to 3 are actually mapped to level 4 as comments say. It also fixes that levels -4 to -9 is mapped to correct level and avoids out-of-bounds access. Signed-off-by: Natanael Copa <ncopa@alpinelinux.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-08-14lineedit: trivial codeshrink for vi-modeNatanael Copa
Introduce and use BB_isalnum_or_underscore(). function old new delta BB_isalnum_or_underscore - 43 +43 vi_word_motion 162 150 -12 vi_end_motion 163 145 -18 vi_back_motion 198 179 -19 BB_isalnum 39 - -39 ------------------------------------------------------------------------------ (add/remove: 1/1 grow/shrink: 0/3 up/down: 43/-88) Total: -45 bytes Signed-off-by: Natanael Copa <ncopa@alpinelinux.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-08-14build system: fix include/NUM_APPLETS.h generationDenys Vlasenko
TBH, it's more like "work around my bad makefile-fu" than "fix"... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-08-14libiproute: eliminate some redundant zero storesDenys Vlasenko
function old new delta do_iprule 974 955 -19 rtnl_dump_request 173 146 -27 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-46) Total: -46 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-08-14ip: fix an improper optimization: req.r.rtm_scope may be nonzero hereDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-08-13cp: fix -i for POSIX mode. Closes 9106Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-08-01ntpd: respond only to client and symmetric active packetsMiroslav Lichvar
The busybox NTP implementation doesn't check the NTP mode of packets received on the server port and responds to any packet with the right size. This includes responses from another NTP server. An attacker can send a packet with a spoofed source address in order to create an infinite loop of responses between two busybox NTP servers. Adding more packets to the loop increases the traffic between the servers until one of them has a fully loaded CPU and/or network. Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-07-30service/fw example: do not ruin $if[], use different nameDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-07-25wget: run s_client helper with -servername HOSTDenys Vlasenko
This is necessary for multi-hosted TLSed web sites. function old new delta spawn_https_helper_openssl 334 441 +107 Based on a patch by Jeremy Chadwick <jdc@koitsu.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-07-25ssl_helper.sh: strip was invoked incorrectlyDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-07-25var_service/fw: optionally flush all netdevs; optionally prefer one 0/0 routingDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-07-25ash: fix handling of ${VAR: -2}Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-07-22config: disentangle PREFER_APPLETS from SH_STANDALONE and SH_NOFORKDenys Vlasenko
On user request. I thought enabling/disabling them all together is more consistent. Evidently, some people do want them to be separately selectable. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-07-21hush: fix a possible bugDenys Vlasenko
Not sure this was actually a triggerable bug, but the code looked flaky. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-07-19typo fixesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-07-16ash: do not leave SIGQUIT ignored on "exec CMD"Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-07-14cp: make verbose cp show symlink copies tooDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-07-14sendmail: include -H and -S in short help textDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-07-14sendmail: improve help textDenys Vlasenko
* explain which server we contact by default * explain when auth is done * -t is not implied! remove that from help text Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-07-12trylink: use "mktemp tmp.XXXXXXXXXX" to placate OS XDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-07-11{md5,shaN}sum: make -c EMPTY failDenys Vlasenko
function old new delta md5_sha1_sum_main 466 485 +19 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-07-10examples: add a useful "see abridged log" script for ntpd service exampleDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-07-08cpio: tweak help textDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-07-06getopt32: add new syntax of 'o:+' and 'o:*' for -o NUM and -o LISTDenys Vlasenko
In many cases, this aqllows to drop use of opt_complementary. Approximately -400 bytes: function old new delta getopt32 1423 1502 +79 opt_string 17 18 +1 OPT_STR 24 25 +1 uniq_main 416 406 -10 timeout_main 279 269 -10 sulogin_main 270 260 -10 readprofile_main 1825 1815 -10 ps_main 543 533 -10 pidof_main 245 235 -10 pgrep_main 611 601 -10 od_main 2600 2590 -10 mkfs_minix_main 2684 2674 -10 mkfs_ext2_main 2603 2593 -10 microcom_main 712 702 -10 makemime_main 315 305 -10 ionice_main 282 272 -10 inetd_main 2074 2064 -10 ifplugd_main 1144 1134 -10 halt_main 353 343 -10 getopt_main 636 626 -10 fdisk_main 2854 2844 -10 env_main 206 196 -10 dmesg_main 319 309 -10 conspy_main 1214 1204 -10 awk_main 981 971 -10 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/22 up/down: 81/-220) Total: -139 bytes text data bss dec hex filename 919373 906 14060 934339 e41c3 busybox_old 918969 906 14060 933935 e402f busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-07-06whois: implement -iDenys Vlasenko
function old new delta whois_main 654 675 +21 packed_usage 30355 30356 +1 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-07-06whois: make it actually workDenys Vlasenko
It was doing way too simplistic work of just querying the server, no redirects, no query massaging. This required user to know a lot about whois, and enter at least three queries for each host to get meaningful information. function old new delta whois_main 209 646 +437 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-07-05build system: fix a few warnings for allnoconfig buildDenys Vlasenko
Not that allnoconfig build is useful in any way... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-07-05libbb: suppress warning about run_applet_and_exitRon Yorston
When busybox is configured to contain a single applet an unnecessary declaration of run_applet_and_exit results in a warning. Move the declaration to avoid this. Reported-by: Lauri Kasanen <curaga@operamail.com> Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-07-04arp: fix buffer overflow. Closes 9071Denys Vlasenko
function old new delta arp_main 1910 1898 -12 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-07-03udhcpc: run "deconfig" script in manual renew state too. closes 9061Denys Vlasenko
The bug was seen when the following is done: # killall 1 udhpc; killall 2 udhpc Performing a DHCP renew state: 2 -> 5 Sending renew... Entering released state state: 5 -> 6 <<<<<<<<<<<<<< not calling script!!!! Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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