busybox

Author	SHA1	Message	Date
Denys Vlasenko	4f2ef4a836	ash: allow shell scripts to be embedded in the binary 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>	2018-11-01 10:15:13 +01:00
Denys Vlasenko	349d72c19c	unzip: use printable_string() for printing filenames 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>	2018-09-30 16:56:56 +02:00
Denys Vlasenko	2005d3ff36	tar: fix a thinko in prev commit - we need to copy to _unused_ fd function old new delta vfork_compressor 257 246 -11 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-08-04 21:06:02 +02:00
Denys Vlasenko	037759bb4f	tar: handle the case when opened created tarball happens to have fd#0 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>	2018-08-04 18:15:19 +02:00
Denys Vlasenko	45d68c3749	tar: make source code a bit more terse, no logic changes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-08-04 17:48:59 +02:00
Denys Vlasenko	81de30de05	gzip: unbreak FEATURE_GZIP_LEVELS, closes 11171 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-07-24 21:12:58 +02:00
Denys Vlasenko	9be4d4fe44	cpio: if longopts are enabled, accept --null (synonym for -0) Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-07-06 20:50:30 +02:00
Denys Vlasenko	4d0e2d5b6d	tweak help texts Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-07-06 20:49:08 +02:00
Kartik Agaram	43b17b1cd0	restore documentation on the build config language Kconfig-language.txt was deleted in commit `4fa499a17b` back in 2006. Move to docs/ as suggested by Xabier Oneca: http://lists.busybox.net/pipermail/busybox/2014-May/080914.html Also update references to it everywhere. Signed-off-by: Kartik Agaram <akkartik@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-06-06 15:16:48 +02:00
Denys Vlasenko	a36986bb80	unlzma: close another SEGV possibility function old new delta unpack_lzma_stream 2669 2686 +17 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-05-25 17:03:46 +02:00
Harald van Dijk	8c24af9dcf	tar: fix interaction of delayed symlink and hardlink creation function old new delta create_or_remember_link - 106 +106 create_links_from_list - 93 +93 find_applet_by_name 124 128 +4 unzip_main 2724 2726 +2 data_extract_all 891 873 -18 create_symlinks_from_list 64 - -64 create_or_remember_symlink 94 - -94 ------------------------------------------------------------------------------ (add/remove: 2/2 grow/shrink: 2/1 up/down: 205/-176) Total: 29 bytes Signed-off-by: Harald van Dijk <harald@gigawatt.nl> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-05-22 17:34:31 +02:00
Denys Vlasenko	77bf05dfe3	unlzma: do emit the error message on bad input, when we exit with 1 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-04-24 13:49:12 +02:00
Denys Vlasenko	e09c426456	unlzma: fix another SEGV case function old new delta unpack_lzma_stream 1705 1717 +12 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-04-19 19:30:51 +02:00
Denys Vlasenko	b74e490629	ar: stop using static data function old new delta static.ar_long_names 4 - -4 static.ar_long_name_size 4 - -4 get_header_ar 546 532 -14 ------------------------------------------------------------------------------ (add/remove: 0/2 grow/shrink: 0/1 up/down: 0/-22) Total: -22 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-04-15 14:18:16 +02:00
Denys Vlasenko	dd56921e2d	dpkg: fix symlink creation, closes 10941 function old new delta get_header_ar 434 442 +8 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-04-13 13:27:52 +02:00
Denys Vlasenko	a1870f4807	unlzma: fix segfault on bad archive function old new delta unpack_lzma_stream 2647 2653 +6 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-04-08 20:45:16 +02:00
Denys Vlasenko	38ccd6af8a	bzip2: fix two crashes on corrupted archives As it turns out, longjmp'ing into freed stack is not healthy... function old new delta unpack_usage_messages - 97 +97 unpack_bz2_stream 369 409 +40 get_next_block 1667 1677 +10 get_bits 156 155 -1 start_bunzip 212 183 -29 bb_show_usage 181 120 -61 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 2/3 up/down: 147/-91) Total: 56 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-04-08 20:05:04 +02:00
Denys Vlasenko	87a08e476b	lzop: remove method checks which are always true/false function old new delta do_lzo_compress 232 224 -8 lzo_compress 531 488 -43 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-51) Total: -51 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-04-08 16:44:45 +02:00
Denys Vlasenko	3d4f688a19	lzop: buffer several 32-bit writes when we start a new compressed block function old new delta lzo_compress 483 531 +48 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-04-08 16:31:02 +02:00
Denys Vlasenko	24ef5c6375	lzop: reuse strings function old new delta lzo_compress 470 483 +13 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/0 up/down: 13/0) Total: 13 bytes text data bss dec hex filename 940011 477 7284 947772 e763c busybox_old 939976 477 7284 947737 e7619 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-04-08 14:00:03 +02:00
Denys Vlasenko	15684bf545	lzop: checksum reads do not need to be checksummed function old new delta do_lzo_decompress 404 427 +23 f_read32 22 - -22 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-04-08 13:45:04 +02:00
Denys Vlasenko	3a7d16d488	lzop: don't support ancient versions < 0.94 (15 Oct 1997) 0.94 came only 2 months after initial 0.90: 0.90 (10 Aug 1997): First public release of lzop ... 0.94 (15 Oct 1997): Header format change function old new delta do_lzo_decompress 411 404 -7 f_read8 24 - -24 f_read16 31 - -31 ------------------------------------------------------------------------------ (add/remove: 0/2 grow/shrink: 0/1 up/down: 0/-62) Total: -62 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-04-08 13:35:28 +02:00
Denys Vlasenko	434f95960a	lzop: code shrink by using header_t matching on-disk layout function old new delta add_bytes_to_chksum 37 47 +10 lzo_decompress 524 532 +8 init_chksum 14 21 +7 chksum_getresult 13 17 +4 f_read 33 28 -5 f_write8 20 - -20 f_write32 22 - -22 f_write16 25 - -25 f_write 36 - -36 do_lzo_compress 328 232 -96 do_lzo_decompress 526 411 -115 ------------------------------------------------------------------------------ (add/remove: 0/4 grow/shrink: 4/3 up/down: 29/-319) Total: -290 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-04-08 13:33:43 +02:00
Denys Vlasenko	7924b69f99	tar: trim help text Usage: tar c\|x\|t [-ZzJjahmvokO] [-f TARFILE] [-C DIR] [-T FILE] [-X FILE] [--exclude PATTERN]... [FILE]... Create, extract, or list files from a tar file Operation: <============== DELETED c Create x Extract t List -f FILE Name of TARFILE ('-' for stdin/out) -C DIR Change to DIR before operation -v Verbose -O Extract to stdout -m Don't restore mtime -o Don't restore user:group -k Don't replace existing files -Z (De)compress using compress -z (De)compress using gzip -J (De)compress using xz -j (De)compress using bzip2 -a (De)compress using lzma -h Follow symlinks -T FILE File with names to include -X FILE File with glob patterns to exclude --exclude PATTERN Glob pattern to exclude Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-04-07 21:04:39 +02:00
Denys Vlasenko	899ae5337a	libbb: new function bb_die_memory_exhausted function old new delta bb_die_memory_exhausted - 10 +10 xstrdup 28 23 -5 xsetenv 27 22 -5 xrealloc 32 27 -5 xputenv 22 17 -5 xmalloc 30 25 -5 xfdopen_helper 40 35 -5 xasprintf 44 39 -5 wget_main 2387 2382 -5 open_socket 54 49 -5 glob_brace 419 414 -5 bb_get_chunk_from_file 146 141 -5 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/11 up/down: 10/-55) Total: -45 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-04-01 19:59:37 +02:00
Natanael Copa	d9503224c8	cpio: extract "unsafe" symlinks the same way tar/unzip does function old new delta cpio_main 588 596 +8 Signed-off-by: Natanael Copa <ncopa@alpinelinux.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-03-30 20:18:12 +02:00
Denys Vlasenko	3c08437db7	tar: add -o and -k to short --help too Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-03-16 04:02:23 +01:00
Denys Vlasenko	1ee222e1bf	tar: add -k and -o to --help -o Don't restore user:group -k Don't replace existing files Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-03-16 03:55:14 +01:00
Denys Vlasenko	a84db18fc7	tar,unzip: postpone creation of symlinks with "suspicious" targets This mostly reverts commit `bc9bbeb2b8` "libarchive: do not extract unsafe symlinks unless $EXTRACT_UNSAFE_SYMLINKS=1" Users report that it is somewhat too restrictive. See https://bugs.busybox.net/show_bug.cgi?id=8411 In particular, this interferes with unpacking of busybox-based filesystems with links like "sbin/applet" -> "../bin/busybox". The change is made smaller by deleting ARCHIVE_EXTRACT_QUIET flag - it is unused since 2010, and removing conditionals on it allows commonalizing some error message codes. function old new delta create_or_remember_symlink - 94 +94 create_symlinks_from_list - 64 +64 tar_main 1002 1006 +4 unzip_main 2732 2724 -8 data_extract_all 984 891 -93 unsafe_symlink_target 147 - -147 ------------------------------------------------------------------------------ (add/remove: 2/1 grow/shrink: 1/2 up/down: 162/-248) Total: -86 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-02-20 16:06:53 +01:00
Denys Vlasenko	4cae044b43	bzip2: expose tuning knob for faster/smaller code Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-02-07 01:33:25 +01:00
Denys Vlasenko	5cdd120f0c	unzip: do not set directory mode to 0777 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=882177 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-02-06 17:59:32 +01:00
Denys Vlasenko	0a90960f44	ar: hopefully fix out-of-bounds read in get_header_ar() https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=882175 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-02-06 17:39:45 +01:00
Denys Vlasenko	c2a51b0cf1	bzip2: work around bad compiler optimization gc-6.1.1 x86_64: function old new delta generateMTFValues 380 367 -13 gcc-4.3.1 386: function old new delta inner_loop - 41 +41 generateMTFValues 357 294 -63 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/1 up/down: 41/-63) Total: -22 bytes gcc-6.3.0 386: function old new delta inner_loop - 36 +36 generateMTFValues 363 250 -113 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/1 up/down: 36/-113) Total: -77 bytes The last case, gcc-6.3.0, runs almost 3 times faster after this change. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-02-05 00:34:08 +01:00
Denys Vlasenko	2598915d43	gunzip: fix from gzip-1.3.12 for gzip file with all zero length codes Corresponding changelog from gzip-1.3.12 reads: """ 2006-12-20 Paul Eggert <eggert@cs.ucla.edu> * inflate.c (huft_build): Fix regression that caused gzip to refuse to uncompress null input (all zero length codes). Problem reported by Yiorgos Adamopoulos. This regression was caused by the security patch installed 2006-11-20, which in turn came from Debian, which in turn apparently came from Thomas Biege of SuSe. """ function old new delta huft_build 1176 1216 +40 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-02-04 00:15:29 +01:00
Denys Vlasenko	0e60a36c92	bzip2: move runningOrder[] back to stack - 256 bytes is not much function old new delta mainSort 1119 1108 -11 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-02-03 22:52:55 +01:00
Denys Vlasenko	86be6d5ba9	bzip2: move ->origPtr out of struct EState, make a few members smaller function old new delta BZ2_compressBlock 223 228 +5 BZ2_blockSort 85 88 +3 generateMTFValues 356 357 +1 handle_compress 355 349 -6 compressStream 538 531 -7 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/2 up/down: 9/-13) Total: -4 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-02-03 20:51:12 +01:00
Denys Vlasenko	c9ae8d770b	bzip2: pass sorting params through EState* pointer function old new delta mainGtU 499 515 +16 sendMTFValues 2085 2094 +9 mainSort 1116 1119 +3 generateMTFValues 357 356 -1 fallbackSort 1719 1705 -14 mainQSort3 1163 1141 -22 BZ2_blockSort 118 85 -33 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/4 up/down: 28/-70) Total: -42 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-02-03 20:19:51 +01:00
Denys Vlasenko	10f516500e	gzip2: small simplification in mainSimpleSort() function old new delta mainQSort3 1165 1163 -2 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-02-03 19:11:00 +01:00
Denys Vlasenko	0599a137ba	bzip2: a few more locals converted to generic types Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-02-03 18:47:34 +01:00
Denys Vlasenko	8e31412231	bzip2: eliminate one parameter to mainQSort3() Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-02-03 18:28:10 +01:00
Denys Vlasenko	9431bdd189	bzip2: small simplification in mainSort() function old new delta mainSort 1127 1118 -9 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-02-03 18:11:08 +01:00
Denys Vlasenko	fe1bab4d35	bzip2: convert some locals to unsigned's Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-02-03 18:03:33 +01:00
Denys Vlasenko	c364d32ccc	bzip2: runningOrder[] values are always 0..255, make it uint8 function old new delta mainSort 1171 1124 -47 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-02-03 17:44:00 +01:00
Denys Vlasenko	df23f55e39	bzip2: remove redundant clearing of an alredy unset bit function old new delta mainSort 1178 1171 -7 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-02-03 17:38:23 +01:00
Denys Vlasenko	524fa29a93	bzip2: eliminate write-only local numQSorted Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-02-03 17:30:16 +01:00
Denys Vlasenko	2109fce410	bzip2: make locals in mainSort() saner, convert one of them from uint16 to unsigned function old new delta mainSort 1192 1178 -14 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-02-03 17:22:06 +01:00
Denys Vlasenko	aaa3818a75	bzip2: remove redundant loop termination check in mainSort() function old new delta mainSort 1202 1192 -10 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-02-03 16:43:33 +01:00
Denys Vlasenko	e59e5ff96e	bzip2: reduce indentation, no code changes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-02-03 15:59:46 +01:00
Denys Vlasenko	9e5662ea74	bzip2: reuse zPend processing code function old new delta generateMTFValues 378 357 -21 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-02-03 15:53:17 +01:00
Denys Vlasenko	2cfe10a558	bzip2: shrink makeMaps_e() function old new delta generateMTFValues 378 368 -10 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-02-03 15:31:54 +01:00

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1452 Commits