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* ash: allow long-running nofork applets to be interruptedRon Yorston2017-08-011-0/+3
| | | | | | | | | | | | | Nofork applets can't be interrupted with ctrl-c. This isn't an issue for most such applets because they do very little and won't run for very long. However 'yes' and 'seq 10000000' can't be interrupted in a interactive shell, which is awkward. As a special case ignore the nofork-ness of these applets if they're run from an interactive shell. This isn't foolproof as there are still ways to run them such that they can't be interrupted, but it helps.
* platform.h: WIN32 doesn't support '%m' printf specifierRon Yorston2017-07-291-0/+1
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* Merge branch 'busybox' into mergeRon Yorston2017-07-292-0/+15
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| * ash: support platforms that don't have '%m' printf specifierRon Yorston2017-07-281-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
| * ash: less hackish implementation of evaltreenr()Denys Vlasenko2017-07-281-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
| * tar: postpone creation of symlinks with "suspicious" targets. Closes 8411Denys Vlasenko2017-07-241-0/+4
| | | | | | | | | | | | | | | | | | | | | | 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>
* | Post-merge fixesRon Yorston2017-07-241-1/+2
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* | Merge branch 'busybox' into mergeRon Yorston2017-07-241-0/+3
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| * zcip: fix slow environment leakDenys Vlasenko2017-07-221-0/+3
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* | Merge branch 'busybox' into mergeRon Yorston2017-07-182-1/+18
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| * Move get_unaligned_le32() macros to platform.hDenys Vlasenko2017-07-151-0/+6
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * main: fix the case where user has "halt" as login shell. Closes 9986Denys Vlasenko2017-07-071-1/+1
| | | | | | | | | | | | | | | | | | | | 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>
| * libbb: new function bb_getgroups() - allocating wrapper around getgroups()Denys Vlasenko2017-07-041-0/+9
| | | | | | | | | | | | | | | | | | | | 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>
| * fixes for bugs found by make_single_applets.shDenys Vlasenko2017-07-031-0/+2
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* | Use %I64* formats with MinGW instead of %ll* formatsJohannes Schindelin2017-07-181-1/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The MSVC runtime uses the format specified %I64 for 64-bit data types; It does not understand e.g. %llu for unsigned long longs. However, mingw-w64 provides a compatibility mode in its runtime wrapper which can be activated by defining the constant __USE_MINGW_ANSI_STDIO=1 in which case we must refrain from overriding the %ll* formats. This fixes quite a couple of compile warnings when building with the mingw-w64 compiler. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
* | Merge branch 'busybox' into mergeRon Yorston2017-05-291-4/+47
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| * libbb: make check_password() also return CHECKPASS_PW_HAS_EMPTY_PASSWORDDenys Vlasenko2017-04-131-2/+2
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * su: FEATURE_SU_BLANK_PW_NEEDS_SECURE_TTYDenys Vlasenko2017-04-131-0/+1
| | | | | | | | | | | | | | | | | | | | | | 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>
| * login: move check_securetty to libbbKaarle Ritvanen2017-04-131-0/+5
| | | | | | | | | | Signed-off-by: Kaarle Ritvanen <kaarle.ritvanen@datakunkku.fi> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * Tweak GETOPT_RESET commentDenys Vlasenko2017-04-121-5/+3
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * libbb: GETOPT_RESET macroKaarle Ritvanen2017-04-121-0/+22
| | | | | | | | | | Signed-off-by: Kaarle Ritvanen <kaarle.ritvanen@datakunkku.fi> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * fix errors found with make_single_applets.shDenys Vlasenko2017-04-121-1/+1
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * libbb: move isqrt from factor, use it in diff tooDenys Vlasenko2017-04-111-0/+2
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * nl: new applet; also implement cat -nb (similar functionality to nl)Denys Vlasenko2017-04-051-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
| * mount: create loop devices with LO_FLAGS_AUTOCLEAR flagDenys Vlasenko2017-03-161-3/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* | Merge branch 'busybox' into mergeRon Yorston2017-02-083-36/+111
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| * libbb: match_fstype() is unreadable in the extreme, fixing itDenys Vlasenko2017-01-301-1/+1
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * libbb: spawn_and_wait() fflushes before forking NOEXEC; child reinits logmodeDenys Vlasenko2017-01-261-5/+9
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * tls: can download kernels now :)Denys Vlasenko2017-01-241-1/+1
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * tls: add 2nd cipher_id, TLS_RSA_WITH_AES_128_CBC_SHA, so far it doesn't workDenys Vlasenko2017-01-241-17/+25
| | | | | | | | | | | | | | | | | | | | Good news that TLS_RSA_WITH_AES_256_CBC_SHA256 still works with new code ;) This change adds inevitable extension to have different sized hashes and AES key sizes. In libbb, md5_end() and shaX_end() are extended to return result size instead of void - this helps *a lot* in tls (the cost is ~5 bytes per _end() function). Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * separate TLS code into a library, use in in wgetDenys Vlasenko2017-01-231-21/+67
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A new applet, ssl_client, is the TLS debug thing now. It doubles as wget's NOMMU helper. In MMU mode, wget still forks, but then directly calls TLS code, without execing. This can also be applied to sendmail/popmail (SMTPS / SMTP+starttls support) and nc --ssl (ncat, nmap's nc clone, has such option). function old new delta tls_handshake - 1691 +1691 tls_run_copy_loop - 443 +443 ssl_client_main - 128 +128 packed_usage 30978 31007 +29 wget_main 2508 2535 +27 applet_names 2553 2560 +7 ... xwrite_encrypted 360 342 -18 tls_main 2127 - -2127 ------------------------------------------------------------------------------ (add/remove: 4/1 grow/shrink: 13/8 up/down: 2351/-2195) Total: 156 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * password utils: improve --help, make DEFAULT_PASSWD_ALGO visible if CHPASSWDDenys Vlasenko2017-01-201-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Was: $ cryptpw --help ... Print crypt(3) hashed PASSWORD -P,--password-fd=N Read password from fd N -m,--method=TYPE Encryption method -S,--salt=SALT User: "What methods exist? which one os default?" Now: Print crypt(3) hashed PASSWORD -P,--password-fd N Read password from fd N -m,--method TYPE des,md5,sha256/512 (default des) -S,--salt SALT Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * libbb: consolidate the code to set termios unbuffered modeDenys Vlasenko2017-01-111-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | function old new delta set_termios_to_raw - 116 +116 count_lines 72 74 +2 powertop_main 1458 1430 -28 top_main 943 914 -29 more_main 759 714 -45 fsck_minix_main 2969 2921 -48 conspy_main 1197 1135 -62 rawmode 99 36 -63 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 1/6 up/down: 118/-275) Total: -157 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * Allow FAST_FUNC to be overridden at build timeKang-Che Sung2017-01-091-5/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Busybox uses FAST_FUNC macro to tweak with IA-32 calling conventions in order to make the function call slightly smaller or slightly faster. However, when I experiment with GCC's LTO (Link Time Optimization), I discovered that FAST_FUNC could hinder LTO's optimization so that the resulting executable become a few bytes larger (than what is compiled without FAST_FUNC). This change allows to specify e.g. CONFIG_EXTRA_CFLAGS="-DFAST_FUNC= -flto" and compile with LTO without a source code hack. Signed-off-by: Kang-Che Sung <explorer09@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* | Provide vfprintf replacementRon Yorston2017-02-071-0/+1
| | | | | | | | | | vfprintf is used in ash_vmsg. It should be passed through the codepage conversion in winansi.c.
* | win32: implement nanosleep and enable float sleep by defaultRon Yorston2017-01-181-0/+2
| | | | | | | | Don't expect sleeping for fractions of a second to be very accurate.
* | Merge branch 'busybox' into mergeRon Yorston2017-01-042-11/+17
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| * modprobe-small: make applets individually selectableDenys Vlasenko2016-12-231-2/+1
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * Tweak some config defaults; fix MODPROBE_SMALL ordering in "make config"Denys Vlasenko2016-12-221-4/+4
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * df: implement -B n<suff> and -B <suff> formats of -B optionDenys Vlasenko2016-12-121-0/+1
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * suppress glibc "use sysmacros.h for major" warningDenys Vlasenko2016-12-121-1/+1
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * selinux: drop deprecated headersMike Frysinger2016-12-091-2/+0
| | | | | | | | | | | | | | | | | | | | | | The selinux guys want you to get class values at runtime by converting textual names into constants. Drop the deprecated headers and switch to the new format. This API has been around for years, so there shouldn't be an issue with backwards compatibility. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * randomconfig fixesDenys Vlasenko2016-12-081-2/+10
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* | Merge branch 'busybox' into mergeRon Yorston2016-11-293-301/+63
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| * lineedit: fix handling of repeating Alt-b, Alt-f, Alt-d, Alt-BackspaceRostislav Skudnov2016-11-241-38/+38
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | These key combinations should repeat correctly when the keys are pressed and held. Before this change, they do this erratically - many repeats are "eaten" because they are treated as unrecognized ESC seqs: ESC 0x7f is treated by Alt+baskspace, but ESC 0x7f ESC 0x7f ESC 0x7f is unrecognized. Escape sequences corresponding to these key combinations are moved from read_line_input to lineedit_read_key. Also, these key sequences are now enabled regardless of whether FEATURE_EDITING_VI is set, since Vim does not actually support these key combinations, but they are present in readline library. function old new delta static.esccmds 93 103 +10 read_line_input 3737 3687 -50 Signed-off-by: Rostislav Skudnov <rostislav@tuxera.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * Remove outdated commentsDenys Vlasenko2016-11-231-5/+0
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * Convert all udhcp applets to "new style" applet definitionsDenys Vlasenko2016-11-231-4/+1
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * Convert all selinux/* applets to "new style" applet definitionsDenys Vlasenko2016-11-231-12/+0
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * test: make [ and [[ forms individually selectableDenys Vlasenko2016-11-231-2/+6
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * Remove remnants of disabled "length" appletDenys Vlasenko2016-11-231-1/+0
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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