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2018-04-01sed: prevent overflow of length from bb_get_chunk_from_fileQuentin Rameau
This fragment did not work right: temp = bb_get_chunk_from_file(fp, &len); if (temp) { /* len > 0 here, it's ok to do temp[len-1] */ char c = temp[len-1]; With "int len" _sign-extending_, temp[len-1] can refer to a wrong location if len > 0x7fffffff. Signed-off-by: Quentin Rameau <quinq@fifth.space> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-03-05networking/interface.c: get rid of global "smallint interface_opt_a"Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-02-21libbb: compile capability code only if FEATURE_SETPRIV_CAPABILITIES or RUN_INITDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-02-20tar,unzip: postpone creation of symlinks with "suspicious" targetsDenys Vlasenko
This mostly reverts commit bc9bbeb2b81001e8731cd2ae501c8fccc8d87cc7 "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>
2018-02-13progress meter: add disabled code for a more stable ETADenys Vlasenko
Compiles to ~25 bytes if enabled. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-02-11libbb: introduce and use bb_getsockname()Denys Vlasenko
function old new delta bb_getsockname - 18 +18 xrtnl_open 88 83 -5 do_iplink 1216 1209 -7 arping_main 1686 1668 -18 ------------------------------------------------------------------------------ (add/remove: 2/0 grow/shrink: 0/3 up/down: 18/-30) Total: -12 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-02-06wget: add EPSV supportDenys Vlasenko
function old new delta parse_pasv_epsv - 151 +151 wget_main 2440 2382 -58 xconnect_ftpdata 223 94 -129 ------------------------------------------------------------------------------ (add/remove: 2/0 grow/shrink: 0/2 up/down: 151/-187) Total: -36 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-02-06wget: initial support for ftps://Denys Vlasenko
function old new delta spawn_ssl_client - 185 +185 parse_url 409 461 +52 packed_usage 32259 32278 +19 tls_run_copy_loop 293 306 +13 ssl_client_main 128 138 +10 showmode 330 338 +8 P_FTPS - 5 +5 filter_datapoints 177 179 +2 deflate 907 905 -2 decode_one_format 723 716 -7 wget_main 2591 2440 -151 ------------------------------------------------------------------------------ (add/remove: 2/0 grow/shrink: 6/3 up/down: 294/-160) Total: 134 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-02-01libbb: commonalize a bit of little-endian CRC32 table generation codeDenys Vlasenko
function old new delta global_crc32_new_table_le - 11 +11 crc32_new_table_le - 9 +9 inflate_unzip_internal 560 556 -4 flash_eraseall_main 823 819 -4 unpack_xz_stream 2403 2394 -9 lzop_main 121 112 -9 gzip_main 187 178 -9 ------------------------------------------------------------------------------ (add/remove: 2/0 grow/shrink: 0/5 up/down: 20/-35) Total: -15 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-02-01cp: implement -TAaro Koskinen
Implement "cp -T". Some Linux kernel Makefiles started using this recently, so allow also building on systems using busybox cp. function old new delta cp_main 360 428 +68 copy_file 1678 1676 -2 packed_usage 32290 32259 -31 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/2 up/down: 76/-39) Total: 35 bytes Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-02-01libarchive: move bbunpack constants to bb_archive.hDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-02-01lzop: code shrinkDenys Vlasenko
function old new delta lzo_decompress 526 524 -2 lzo_compress 473 470 -3 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-01-12which: fix TODO with NOFORK+malloc_failure misbehavingDenys Vlasenko
function old new delta find_executable 86 104 +18 which_main 202 194 -8 executable_exists 66 51 -15 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/2 up/down: 18/-23) Total: -5 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-09-29use %m printf specifier where appropriateDenys Vlasenko
function old new delta out 85 75 -10 udhcpd_main 1472 1461 -11 open_stdio_to_tty 98 85 -13 init_exec 245 232 -13 udhcpc_main 2763 2749 -14 do_cmd 4771 4755 -16 status_line_bold_errno 32 14 -18 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/7 up/down: 0/-95) Total: -95 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-09-15less,microcom,lineedit: use common routine to set raw termiosDenys Vlasenko
function old new delta get_termios_and_make_raw - 139 +139 xget1 39 8 -31 read_line_input 3912 3867 -45 less_main 2525 2471 -54 set_termios_to_raw 116 36 -80 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/4 up/down: 139/-210) Total: -71 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-29hush: GETOPT_RESET() _after_ getopts too.Denys Vlasenko
NOEXEC'ed applets which use getopt() need this. function old new delta builtin_getopts 403 413 +10 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-21run-init: new appletDenys Vlasenko
function old new delta switch_root_main 354 637 +283 drop_usermodehelper - 157 +157 cap_name_to_number - 77 +77 packed_usage 31707 31743 +36 applet_names 2665 2674 +9 applet_main 1544 1548 +4 applet_install_loc 193 194 +1 setpriv_main 933 928 -5 getcaps 131 122 -9 parse_cap 117 29 -88 ------------------------------------------------------------------------------ (add/remove: 3/0 grow/shrink: 5/3 up/down: 567/-102) Total: 465 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-21libbb: move capability names code to libbbDenys Vlasenko
function old new delta cap_name_to_number - 77 +77 parse_cap 117 29 -88 ------------------------------------------------------------------------------ (add/remove: 2/0 grow/shrink: 0/1 up/down: 77/-88) Total: -11 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-10Hopefully fix "will break strict-aliasing rules" warning for get_le32Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-10libarchive: do not extract unsafe symlinks unless $EXTRACT_UNSAFE_SYMLINKS=1Denys Vlasenko
function old new delta unsafe_symlink_target - 147 +147 unzip_main 2711 2732 +21 copy_file 1657 1678 +21 tar_main 999 971 -28 data_extract_all 1038 984 -54 ------------------------------------------------------------------------------ (add/remove: 2/0 grow/shrink: 2/2 up/down: 189/-82) Total: 107 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-10rpm2cpio: handle LZMA compressed rpms. closes 10166Denys Vlasenko
function old new delta rpm2cpio_main 78 120 +42 setup_lzma_on_fd - 29 +29 fork_transformer_and_free - 28 +28 ... setup_unzip_on_fd 56 32 -24 ------------------------------------------------------------------------------ (add/remove: 2/0 grow/shrink: 3/5 up/down: 104/-67) Total: 37 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-08getopt32: remove opt_complementaryDenys Vlasenko
function old new delta vgetopt32 1318 1392 +74 runsvdir_main 703 713 +10 bb_make_directory 423 425 +2 collect_cpu 546 545 -1 opt_chars 3 - -3 opt_complementary 4 - -4 tftpd_main 567 562 -5 ntp_init 476 471 -5 zcip_main 1266 1256 -10 xxd_main 428 418 -10 whois_main 140 130 -10 who_main 463 453 -10 which_main 212 202 -10 wget_main 2535 2525 -10 watchdog_main 291 281 -10 watch_main 222 212 -10 vlock_main 399 389 -10 uuencode_main 332 322 -10 uudecode_main 316 306 -10 unlink_main 45 35 -10 udhcpd_main 1482 1472 -10 udhcpc_main 2762 2752 -10 tune2fs_main 290 280 -10 tunctl_main 366 356 -10 truncate_main 218 208 -10 tr_main 518 508 -10 time_main 1134 1124 -10 tftp_main 286 276 -10 telnetd_main 1873 1863 -10 tcpudpsvd_main 1785 1775 -10 taskset_main 521 511 -10 tar_main 1009 999 -10 tail_main 1644 1634 -10 syslogd_main 1967 1957 -10 switch_root_main 368 358 -10 svlogd_main 1454 1444 -10 sv 1296 1286 -10 stat_main 104 94 -10 start_stop_daemon_main 1028 1018 -10 split_main 542 532 -10 sort_main 796 786 -10 slattach_main 624 614 -10 shuf_main 504 494 -10 setsid_main 96 86 -10 setserial_main 1132 1122 -10 setfont_main 388 378 -10 setconsole_main 78 68 -10 sendmail_main 1209 1199 -10 sed_main 677 667 -10 script_main 1077 1067 -10 run_parts_main 325 315 -10 rtcwake_main 454 444 -10 rm_main 175 165 -10 reformime_main 119 109 -10 readlink_main 123 113 -10 rdate_main 246 236 -10 pwdx_main 189 179 -10 pstree_main 317 307 -10 pscan_main 663 653 -10 popmaildir_main 818 808 -10 pmap_main 80 70 -10 nc_main 1042 1032 -10 mv_main 558 548 -10 mountpoint_main 477 467 -10 mount_main 1264 1254 -10 modprobe_main 768 758 -10 modinfo_main 333 323 -10 mktemp_main 200 190 -10 mkswap_main 324 314 -10 mkfs_vfat_main 1489 1479 -10 microcom_main 715 705 -10 md5_sha1_sum_main 521 511 -10 man_main 867 857 -10 makedevs_main 1052 1042 -10 ls_main 563 553 -10 losetup_main 432 422 -10 loadfont_main 89 79 -10 ln_main 524 514 -10 link_main 75 65 -10 ipcalc_main 544 534 -10 iostat_main 2397 2387 -10 install_main 768 758 -10 id_main 480 470 -10 i2cset_main 1239 1229 -10 i2cget_main 380 370 -10 i2cdump_main 1482 1472 -10 i2cdetect_main 682 672 -10 hwclock_main 406 396 -10 httpd_main 741 731 -10 grep_main 837 827 -10 getty_main 1559 1549 -10 fuser_main 297 287 -10 ftpgetput_main 345 335 -10 ftpd_main 2232 2222 -10 fstrim_main 251 241 -10 fsfreeze_main 77 67 -10 fsck_minix_main 2921 2911 -10 flock_main 314 304 -10 flashcp_main 740 730 -10 flash_eraseall_main 833 823 -10 fdformat_main 532 522 -10 expand_main 680 670 -10 eject_main 335 325 -10 dumpleases_main 630 620 -10 du_main 314 304 -10 dos2unix_main 441 431 -10 diff_main 1350 1340 -10 df_main 1064 1054 -10 date_main 1095 1085 -10 cut_main 961 951 -10 cryptpw_main 228 218 -10 crontab_main 575 565 -10 crond_main 1149 1139 -10 cp_main 370 360 -10 common_traceroute_main 3834 3824 -10 common_ping_main 1767 1757 -10 comm_main 239 229 -10 cmp_main 655 645 -10 chrt_main 379 369 -10 chpst_main 704 694 -10 chpasswd_main 308 298 -10 chown_main 171 161 -10 chmod_main 158 148 -10 cat_main 428 418 -10 bzip2_main 120 110 -10 blkdiscard_main 264 254 -10 base64_main 221 211 -10 arping_main 1665 1655 -10 ar_main 556 546 -10 adjtimex_main 406 396 -10 adduser_main 882 872 -10 addgroup_main 411 401 -10 acpid_main 1198 1188 -10 optstring 11 - -11 opt_string 18 - -18 OPT_STR 25 - -25 ubi_tools_main 1288 1258 -30 ls_options 31 - -31 ------------------------------------------------------------------------------ (add/remove: 0/6 grow/shrink: 3/129 up/down: 86/-1383) Total: -1297 bytes text data bss dec hex filename 915428 485 6876 922789 e14a5 busybox_old 914629 485 6872 921986 e1182 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-08getopt32: remove applet_long_optionsDenys Vlasenko
FEATURE_GETOPT_LONG made dependent on LONG_OPTS. The folloving options are removed, now LONG_OPTS enables long options for affected applets: FEATURE_ENV_LONG_OPTIONS FEATURE_EXPAND_LONG_OPTIONS FEATURE_UNEXPAND_LONG_OPTIONS FEATURE_MKDIR_LONG_OPTIONS FEATURE_MV_LONG_OPTIONS FEATURE_RMDIR_LONG_OPTIONS FEATURE_ADDGROUP_LONG_OPTIONS FEATURE_ADDUSER_LONG_OPTIONS FEATURE_HWCLOCK_LONG_OPTIONS FEATURE_NSENTER_LONG_OPTS FEATURE_CHCON_LONG_OPTIONS FEATURE_RUNCON_LONG_OPTIONS They either had a small number of long options, or their long options are essential. Example: upstream addgroup and adduser have ONLY longopts, we should probably go further and get rid of non-standard short options. To this end, make addgroup and adduser "select LONG_OPTS". We had this breakage caused by us even in our own package! #if ENABLE_LONG_OPTS || !ENABLE_ADDGROUP /* We try to use --gid, not -g, because "standard" addgroup * has no short option -g, it has only long --gid. */ argv[1] = (char*)"--gid"; #else /* Breaks if system in fact does NOT use busybox addgroup */ argv[1] = (char*)"-g"; #endif xargs: its lone longopt no longer depends on DESKTOP, only on LONG_OPTS. hwclock TODO: get rid of incompatible -t, -l aliases to --systz, --localtime Shorten help texts by omitting long option when short opt alternative exists. Reduction of size comes from the fact that store of an immediate (an address of longopts) to a fixed address (global variable) is a longer insn than pushing that immediate or passing it in a register. This effect is CPU-agnostic. function old new delta getopt32 1350 22 -1328 vgetopt32 - 1318 +1318 getopt32long - 24 +24 tftpd_main 562 567 +5 scan_recursive 376 380 +4 collect_cpu 545 546 +1 date_main 1096 1095 -1 hostname_main 262 259 -3 uname_main 259 255 -4 setpriv_main 362 358 -4 rmdir_main 191 187 -4 mv_main 562 558 -4 ipcalc_main 548 544 -4 ifenslave_main 641 637 -4 gzip_main 192 188 -4 gunzip_main 77 73 -4 fsfreeze_main 81 77 -4 flock_main 318 314 -4 deluser_main 337 333 -4 cp_main 374 370 -4 chown_main 175 171 -4 applet_long_options 4 - -4 xargs_main 894 889 -5 wget_main 2540 2535 -5 udhcpc_main 2767 2762 -5 touch_main 436 431 -5 tar_main 1014 1009 -5 start_stop_daemon_main 1033 1028 -5 sed_main 682 677 -5 script_main 1082 1077 -5 run_parts_main 330 325 -5 rtcwake_main 459 454 -5 od_main 2169 2164 -5 nl_main 201 196 -5 modprobe_main 773 768 -5 mkdir_main 160 155 -5 ls_main 568 563 -5 install_main 773 768 -5 hwclock_main 411 406 -5 getopt_main 622 617 -5 fstrim_main 256 251 -5 env_main 198 193 -5 dumpleases_main 635 630 -5 dpkg_main 3991 3986 -5 diff_main 1355 1350 -5 cryptpw_main 233 228 -5 cpio_main 593 588 -5 conspy_main 1135 1130 -5 chpasswd_main 313 308 -5 adduser_main 887 882 -5 addgroup_main 416 411 -5 ftpgetput_main 351 345 -6 get_terminal_width_height 242 234 -8 expand_main 690 680 -10 static.expand_longopts 18 - -18 static.unexpand_longopts 27 - -27 mkdir_longopts 28 - -28 env_longopts 30 - -30 static.ifenslave_longopts 34 - -34 mv_longopts 46 - -46 static.rmdir_longopts 48 - -48 packed_usage 31739 31687 -52 ------------------------------------------------------------------------------ (add/remove: 2/8 grow/shrink: 3/49 up/down: 1352/-1840) Total: -488 bytes text data bss dec hex filename 915681 485 6880 923046 e15a6 busybox_old 915428 485 6876 922789 e14a5 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-07noexec: consolidate codeDenys Vlasenko
function old new delta run_noexec_applet_and_exit - 61 +61 find_applet_by_name 128 124 -4 run_applet_no_and_exit 441 434 -7 tryexec 169 152 -17 pseudo_exec_argv 338 321 -17 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/6 up/down: 61/-48) Total: 13 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-07noexec: set comm field for noexecsDenys Vlasenko
function old new delta set_task_comm - 18 +18 tryexec 152 159 +7 pseudo_exec_argv 321 328 +7 main 106 97 -9 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 3/2 up/down: 34/-13) Total: 23 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-05sysctl: recognize ";comment" and "<whitespace>#comment" linesDenys Vlasenko
function old new delta config_read 639 699 +60 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-05libbb: make trim() return pointer to terminating NULDenys Vlasenko
function old new delta trim 80 90 +10 angle_address 56 50 -6 sysctl_main 282 273 -9 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/3 up/down: +10/-15) Total: -5 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-04libbb: use _exit, not exit, in bb_daemonize_or_rexec()Denys Vlasenko
By the time we reach exit in parent, child already exited or execed. We should not re-run libc cleanup code. While at it, introduce bb_daemon_helper() and add a few comments. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-04getopt32: factor out code to treat all args as optionsDenys Vlasenko
Working towards making getopt32() xmalloc-free function old new delta make_all_argv_opts - 58 +58 top_main 914 912 -2 getopt32 1517 1458 -59 ------------------------------------------------------------------------------ (add/remove: 2/0 grow/shrink: 0/2 up/down: 58/-61) Total: -3 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-02line editing: make read_line_input() not take timeout paramDenys Vlasenko
It's almost always -1. function old new delta read_line_input 3902 3912 +10 new_line_input_t 24 31 +7 pgetc 583 585 +2 save_command_ps_at_cur_history 80 78 -2 read_line 76 74 -2 fgetc_interactive 246 244 -2 addLines 84 82 -2 doCommands 2226 2222 -4 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/5 up/down: 19/-12) Total: 7 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-07-29libbb: remove vdprintfRon Yorston
Two reasons: * it's only built for GNU C Library versions < 2 (released 1997) * it isn't used anywhere in BusyBox Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-07-28ash: support platforms that don't have '%m' printf specifierRon Yorston
The '%m' conversion specifier prints an error message based on the current value of 'errno'. It is available in the GNU C library, Cygwin (since 2012), uClibc and musl. It is not available in various BSDs, BSD-derived systems (MacOS, Android) or Microsoft Windows. Use a symbol defined in platform.h to control how error messages can be formatted to display the 'errno' message. On platforms that support it use '%m'; on other platforms use '%s' and strerror(). On platforms that have '%m' there is essentially no change in the size of the binary. Otherwise: function old new delta redirect 1287 1310 +23 xtcsetpgrp 27 44 +17 dup2_or_raise 34 51 +17 setinputfile 267 275 +8 .rodata 163379 163371 -8 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 4/1 up/down: 65/-8) Total: 57 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-07-28ash: less hackish implementation of evaltreenr()Denys Vlasenko
Defining a function alias with __attribute__ ((alias("evaltree"),__noreturn__)) is not that usual, and clang had a bug which made it misunderstand this construct. Switch to: ALWAYS_INLINE NORETURN evaltreenr() { evaltree(); unreachable(); } Older gcc's do not know unreachable(), on them we pay the price of having a few extra calls to abort(): function old new delta evalsubshell 151 156 +5 evalpipe 357 362 +5 argstr 1141 1144 +3 On newer gcc, code size does not change. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-07-24tar: postpone creation of symlinks with "suspicious" targets. Closes 8411Denys Vlasenko
function old new delta data_extract_all 968 1038 +70 tar_main 952 986 +34 scan_tree 258 262 +4 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/0 up/down: 108/0) Total: 108 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-07-22zcip: fix slow environment leakDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-07-15Move get_unaligned_le32() macros to platform.hDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-07-07main: fix the case where user has "halt" as login shell. Closes 9986Denys Vlasenko
halt::0:0::/:/sbin/halt function old new delta run_applet_and_exit 748 751 +3 run_applet_no_and_exit 467 459 -8 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-07-04libbb: new function bb_getgroups() - allocating wrapper around getgroups()Denys Vlasenko
function old new delta bb_getgroups - 111 +111 nexpr 843 757 -86 ------------------------------------------------------------------------------ (add/remove: 2/0 grow/shrink: 0/1 up/down: 111/-86) Total: 25 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-07-03fixes for bugs found by make_single_applets.shDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-04-13libbb: make check_password() also return CHECKPASS_PW_HAS_EMPTY_PASSWORDDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-04-13su: FEATURE_SU_BLANK_PW_NEEDS_SECURE_TTYDenys Vlasenko
When this feature is enabled, blank passwords are not accepted by su unless the user is on a secure TTY defined in /etc/securetty. This resembles the default PAM configuration of some Linux distros which specify the nullok_secure option for pam_unix.so. Based on patch by Kaarle Ritvanen <kaarle.ritvanen@datakunkku.fi> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-04-13login: move check_securetty to libbbKaarle Ritvanen
Signed-off-by: Kaarle Ritvanen <kaarle.ritvanen@datakunkku.fi> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-04-12Tweak GETOPT_RESET commentDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-04-12libbb: GETOPT_RESET macroKaarle Ritvanen
Signed-off-by: Kaarle Ritvanen <kaarle.ritvanen@datakunkku.fi> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-04-12fix errors found with make_single_applets.shDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-04-11libbb: move isqrt from factor, use it in diff tooDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-04-05nl: new applet; also implement cat -nb (similar functionality to nl)Denys Vlasenko
function old new delta nl_main - 201 +201 print_numbered_lines - 115 +115 cat_main 36 149 +113 static.nl_longopts - 106 +106 packed_usage 31081 31182 +101 applet_main 1488 1492 +4 applet_names 2575 2578 +3 applet_suid 93 94 +1 applet_install_loc 186 187 +1 ------------------------------------------------------------------------------ (add/remove: 4/0 grow/shrink: 6/0 up/down: 645/0) Total: 645 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-03-16mount: create loop devices with LO_FLAGS_AUTOCLEAR flagDenys Vlasenko
The "autolooped" mount (mount [-oloop] IMAGE /DIR/DIR) always creates AUTOCLEARed loopdevs, so that umounting drops them (and this does not require any code in the umount userspace). This happens since circa linux-2.6.25: commit 96c5865559cee0f9cbc5173f3c949f6ce3525581 Date: Wed Feb 6 01:36:27 2008 -0800 Subject: Allow auto-destruction of loop devices IOW: in this case, umount does not have to use -d to drop the loopdev. The explicit loop mount (mount /dev/loopN /DIR/DIR) does not do this. In this case, umount without -d should not drop loopdev. Unfortunately, bbox umount currently always implies -d, this probably needs fixing. function old new delta set_loop 537 597 +60 singlemount 1101 1138 +37 losetup_main 419 432 +13 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/0 up/down: 110/0) Total: 110 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-30libbb: match_fstype() is unreadable in the extreme, fixing itDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-26libbb: spawn_and_wait() fflushes before forking NOEXEC; child reinits logmodeDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
generated by cgit v1.1 at 2024-12-29 14:10:31 +0000