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* Merge branch 'busybox' into mergeRon Yorston2019-05-276-21/+61
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| * libarchive: treat one "FIXME: avoid seek"Denys Vlasenko2019-05-241-5/+7
| | | | | | | | | | | | | | | | | | | | | | | | function old new delta xmalloc_read_with_initial_buf - 205 +205 setup_transformer_on_fd 154 150 -4 xmalloc_open_zipped_read_close 143 135 -8 xmalloc_read 201 10 -191 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/3 up/down: 205/-203) Total: 2 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * dd: fix handling of short result of full_write(), closes 11711Denys Vlasenko2019-05-141-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | $ dd bs=1G <sda1 of=/dev/sda1 dd: error writing '/dev/sda1': No space left on device 1+0 records in 0+0 records out 999292928 bytes (953.0MB) copied, 0.784617 seconds, 1.2GB/s function old new delta write_and_stats 99 102 +3 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * style fix, no code changesDenys Vlasenko2019-05-141-3/+10
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * Optionally re-introduce bb_info_msg()James Byrne2019-04-301-2/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Between Busybox 1.24.2 and 1.25.0 the bb_info_msg() function was eliminated and calls to it changed to be bb_error_msg(). The downside of this is that daemons now log all messages to syslog at the LOG_ERR level which makes it hard to filter errors from informational messages. This change optionally re-introduces bb_info_msg(), controlled by a new option FEATURE_SYSLOG_INFO, restores all the calls to bb_info_msg() that were removed (only in applets that set logmode to LOGMODE_SYSLOG or LOGMODE_BOTH), and also changes informational messages in ifplugd and ntpd. The code size change of this is as follows (using 'defconfig' on x86_64 with gcc 7.3.0-27ubuntu1~18.04) function old new delta bb_info_msg - 182 +182 bb_vinfo_msg - 27 +27 static.log7 194 198 +4 log8 190 191 +1 log5 190 191 +1 crondlog 45 - -45 ------------------------------------------------------------------------------ (add/remove: 2/1 grow/shrink: 3/0 up/down: 215/-45) Total: 170 bytes If you don't care about everything being logged at LOG_ERR level then when FEATURE_SYSLOG_INFO is disabled Busybox actually gets smaller: function old new delta static.log7 194 200 +6 log8 190 193 +3 log5 190 193 +3 syslog_level 1 - -1 bb_verror_msg 583 581 -2 crondlog 45 - -45 ------------------------------------------------------------------------------ (add/remove: 0/2 grow/shrink: 3/1 up/down: 12/-48) Total: -36 bytes Signed-off-by: James Byrne <james.byrne@origamienergy.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * libbbb: find_mount_point() too eager to stat mounted devicesDenys Vlasenko2019-04-291-2/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | None of the below "devices" (first word on the line) are real. sysfs /sys sysfs rw,nosuid,nodev,noexec,relatime 0 0 proc /proc proc rw,nosuid,nodev,noexec,relatime 0 0 devtmpfs /dev devtmpfs rw,nosuid,size=7917900k,nr_inodes=1979475,mode=755 0 0 tmpfs /dev/shm tmpfs rw,nosuid,nodev 0 0 devpts /dev/pts devpts rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000 0 0 tmpfs /run tmpfs rw,nosuid,nodev,mode=755 0 0 pstore /sys/fs/pstore pstore rw,nosuid,nodev,noexec,relatime 0 0 configfs /sys/kernel/config configfs rw,relatime 0 0 tmpfs /tmp tmpfs rw,relatime 0 0 function old new delta find_mount_point 297 302 +5 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * start-stop-daemon: do try to close fds > 2Denys Vlasenko2019-04-291-8/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | sh -c 'exec 3>&1; exec start-stop-daemon -S -b -x /bin/sleep -- 123' now closes fd 3. function old new delta bb_daemonize_or_rexec 183 192 +9 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/0 up/down: 9/0) Total: 9 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* | lineedit: reinstate tab-completion of '~/'Ron Yorston2019-04-091-1/+7
| | | | | | | | | | | | Commit 195902a64 (lineedit: improvements to tab completion) disabled tab-completion of usernames. It was too heavy-handed, in that it also removed tab-completion of '~/'.
* | Merge branch 'busybox' into mergeRon Yorston2019-03-312-0/+19
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| * libbb: mark scripted_main() as externally visibleRon Yorston2019-03-301-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Building with individual binaries enabled fails when embedded script applets are included: /tmp/ccIvMFZg.o: In function `main': applet.c:(.text.main+0x20): undefined reference to `scripted_main' Mark scripted_main() as externally visible. Reported-by: Yann E. MORIN <yann.morin.1998@free.fr> Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * do not duplicate CONFIG_PID_FILE_PATH and ".pid" stringsDenys Vlasenko2019-03-171-0/+18
| | | | | | | | | | | | | | | | text data bss dec hex filename 981737 485 7296 989518 f194e busybox_old 981704 485 7296 989485 f192d busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* | win32: improved support for c:path path namesRon Yorston2019-03-301-0/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Microsoft Windows permits path names of the form 'c:path', without a path separator after the colon. The system records a current directory for each drive and the path is interpreted relative to that. Since Windows API calls understand 'c:path' path names many commands in busybox-w32 already work with them. This commit adds the following: - The 'cd' shell built-in interprets 'c:path' path names correctly. Previously it treated them as relative to the shell's concept of the current working directory, not the current directory of the specified drive. - The 'pwd' shell built-in takes the '-a' option to list the current directory for all drives. - 'c:path' path names are subject to tab-completion. Paths of the form 'c:path' don't work for mapped network drives or paths that have been associated with a drive using SUBST. See GitHub issue #147.
* | man: proper handling of default path and config fileRon Yorston2019-03-281-0/+4
| | | | | | | | | | | | | | | | Don't overwrite the default path when the path relative to the executable is added. Remove trailing carriage returns when parsing the configuration file.
* | win32: share code to find root prefix of pathRon Yorston2019-03-231-23/+2
| | | | | | | | | | | | | | Move unc_root_len() from ash to mingw32.c and use it in the new function root_len(), which can be used in make_directory(). This reduces changes to upstream code and saves a few bytes.
* | win32: improve filesystem detection and displayRon Yorston2019-03-201-0/+3
| | | | | | | | | | | | | | | | | | | | Miscellaneous improvements: - Enable '-a' option to display all filesystems in df(1). - Detect the UDF CDROM filesystem and display it in 'stat -f'. - Let getmntent(3) handle CDROM and floppy devices, ignoring those that have no media. - Set number of inodes and filesystem flags to 0 in statfs(2).
* | win32: add function to convert slashes to backslashesRon Yorston2019-03-153-3/+3
| | | | | | | | | | | | | | | | | | There are now two places where slashes are converted to backslashes throughout a string so it makes sense to create a function to do this. To avoid confusion rename convert_slashes() to bs_to_slash() and call the new function slash_to_bs().
* | lineedit: add a command to change backslashes to slashesRon Yorston2019-03-151-0/+7
| | | | | | | | | | | | | | | | | | | | | | When a path name is copied to a console application using drag and drop the path separator is backslash. To handle this situation in the shell add an editing command (Ctrl-Z) to convert all backslashes on the current line to slashes. See GitHub issue #149. Also remove some unused code from read_key().
* | Update copyright dateRon Yorston2019-03-141-1/+1
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* | win32: fix POSIX build (again)Ron Yorston2019-03-121-1/+3
| | | | | | | | | | Some faulty logic with ENABLE_FEATURE_EXTRA_FILE_DATA broke the POSIX build.
* | Merge branch 'busybox' into mergeRon Yorston2019-03-121-1/+1
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| * du: don't count duplicate arguments. Closes 5288Ron Yorston2019-02-191-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since coreutils 8.6 (2010-10-15) du no longer counts duplicate arguments. Revert the relevant part of commit 618a3027ed (du: fix "du /dir /dir" case). function old new delta du_main 302 297 -5 reset_ino_dev_hashtable 78 - -78 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 0/1 up/down: 0/-83) Total: -83 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* | win32: changes to user idsRon Yorston2019-03-101-3/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Formalise the use of 0 as the uid of a process running with elevated privileges: - Rewrite getuid(2) to return DEFAULT_UID by default and 0 if the process has elevated privileges. - geteuid(2) and the corresponding functions for groups are aliases for getuid(2). - Change root's home directory to be whatever GetSystemDirectory() returns, probably C:/Windows/System32 in most cases. - Remove the special handling of geteuid(2) in the line editing code. With these changes the shell started by 'su' is a lot more like a *nix root shell.
* | win32: add a function to detect running with elevated privilegesRon Yorston2019-03-091-0/+3
| | | | | | | | | | Add is_admin() and use it to alter the command prompt in the line editor when running with admin privileges.
* | libbb: copy entire match during tab-completionRon Yorston2019-03-011-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | Because tab-completion is case-insensitive the matching text might differ from what the user typed. Insert the whole of the matching text, not just the tail. Thus: $ cd doc<TAB> now expands to: $ cd Documents/
* | win32: stat(2) succeeds if fetching extra metadata failsRon Yorston2019-02-192-2/+8
| | | | | | | | | | | | | | | | | | Some files can't be opened to fetch additional metadata. When that happens allow stat(2) to successfully return what data it has. In a few cases where the inode number is used to determine if files are identical ignore invalid inode numbers.
* | win32: fix POSIX buildRon Yorston2019-02-171-0/+8
| | | | | | | | | | | | There were a few places where changes intended for the WIN32 build also affected the POSIX build. Fix these so the result of 'make defconfig; make' for busybox-w32 is identical to upstream BusyBox.
* | win32: make stat(2) fetch additional metadataRon Yorston2019-02-162-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Modify the WIN32 implementation of stat(2) to fetch inode number, device id and number of hardlinks. This requires opening a handle to the target file so it will be slower. A number of features can be enabled or start to work: - tar can detect if an archive is being stored in itself; - find can support the -inum and -links options; - ls can display inode numbers; - diff can detect attempts to compare a file with itself; - du has better support for hardlinked files; - cp can detect attempts to copy a file over itself.
* | Merge branch 'busybox' into mergeRon Yorston2019-02-123-13/+14
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| * lineedit: fix SEGV in isk, hexedit, ed, closes 11661Denys Vlasenko2019-02-041-4/+5
| | | | | | | | | | | | | | | | | | | | | | fdisk, hexedit and ed calls read_line_edit in libbb/lineedit.c with NULL as first argument. On line 2373 of lineedit.c of busybox version 1.29.3, state->hist_file is referenced without checking the state->flag. This causes segmentation fault on fdisk, hexedit and ed on ARM Cortex-A9. It somehow works on x86_64. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * capability: fix string comparison in cap_name_to_numberMark Marshall2019-01-211-1/+1
| | | | | | | | | | | | | | | | The result of strcasecmp was being used incorrectly. This function returns 0 if the strings match. Signed-off-by: Mark Marshall <mark.marshall@omicronenergy.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * start-stop-daemon: create pidfile before parent exits, closes 8596Denys Vlasenko2019-01-141-8/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This removes DAEMON_DOUBLE_FORK flag from bb_daemonize_or_rexec(), as SSD was the only user. Also includes fix for -S: now works without -a and -x, does not print pids (compat with "start-stop-daemon (OpenRC) 0.34.11 (Gentoo Linux)"). function old new delta start_stop_daemon_main 1018 1084 +66 add_interface 99 103 +4 fail_hunk 139 136 -3 bb_daemonize_or_rexec 205 183 -22 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/2 up/down: 70/-25) Total: 45 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* | libbb: skip fake path componentsRon Yorston2019-02-071-4/+5
| | | | | | | | | | | | | | | | Commit 3476fb9f4 added a fake prefix to the applet pathname to identify the argument containing the name of an interpreted script. Skip over the prefix to prevent it appearing in error messages.
* | win32: add support for the euro currency symbolRon Yorston2019-02-021-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The euro currency symbol was added to some OEM code pages. See: https://www.aivosto.com/articles/charsets-codepages-dos.html Add a configuration option (enabled by default) to support this. When enabled: - The read_key() function requests wide character key events. This allows the euro symbol to be entered regardless of the console OEM code page, though it needs to be available in the ANSI code page. - Conversions between OEM and ANSI code pages in winansi.c are modified to work around a bug in the Microsoft routines. - If the OEM code page is 850 when BusyBox starts it's changed to 858. This is the only currently supported OEM code page. Also, the shell read builtin is modified to use read_key() whenever input is being taken from the console.
* | Merge branch 'busybox' into mergeRon Yorston2019-01-104-17/+41
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| * single-applet build --help had extra \n, removeDenys Vlasenko2019-01-011-5/+5
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * pmap: make 32-bit version work better on 64-bit kernelsDenys Vlasenko2018-12-311-4/+4
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * randomconfig fixesDenys Vlasenko2018-12-271-8/+10
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * lineedit: fix "defined but not used" sigaction2 warningDenys Vlasenko2018-12-081-0/+2
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * inetd: suppress aliasing warningDenys Vlasenko2018-12-081-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | function old new delta sigprocmask2 - 8 +8 wait_for_child_or_signal 213 218 +5 dowait 424 429 +5 block_CHLD_HUP_ALRM 62 59 -3 sigprocmask_SIG_SETMASK 16 - -16 ------------------------------------------------------------------------------ (add/remove: 1/1 grow/shrink: 2/1 up/down: 18/-19) Total: -1 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * suppress gcc 8 aliasing warningsDenys Vlasenko2018-12-082-1/+21
| | | | | | | | | | | | | | | | | | function old new delta sigprocmask_SIG_SETMASK - 16 +16 wait_for_child_or_signal 221 213 -8 dowait 432 424 -8 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * bc: unbreak FEATURE_CLEAN_UP buildDenys Vlasenko2018-12-061-1/+1
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* | ps: display interpreted script name in comm columnRon Yorston2019-01-081-1/+17
| | | | | | | | | | | | | | | | | | | | | | When an interpreted script is being run the comm column in ps should display the name of the script not the name of the interpreter. Use a fake applet pathname to indicate which argument contains the script. This also allows pidof to obtain the pid of a script.
* | ps: add support for the args columnRon Yorston2019-01-081-11/+18
| | | | | | | | | | | | | | | | | | Implement read_cmdline() for WIN32 by storing the command line in the same way as the applet name. The applet name is actually used for the comm column which is truncated to COMM_LEN. Using this as the size of the bb_comm array avoids the need to calculate MAX_APPLET_NAME_LEN.
* | win32: implement umask(2)Ron Yorston2019-01-071-0/+9
| | | | | | | | | | | | | | | | | | umask() in the Microsoft C runtime takes different arguments to umask(2). Implement a fake umask(2) that remembers the mask and calls the Microsoft umask() with an appropriate value. Since the mask won't be inherited by children use an environment variable to pass any value set by the shell built-in umask.
* | iconv: import from win-iconvRon Yorston2019-01-061-1/+1
| | | | | | | | | | Source imported from https://github.com/win-iconv/win-iconv and modified to build in busybox-w32.
* | busybox: add --uninstall optionRon Yorston2019-01-051-2/+32
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add an option to allow hard links to be removed. busybox --uninstall file removes all hard links to the given file (including the file itself.) Since Microsoft Windows refuses to delete a running executable a BusyBox binary is unable to remove links to itself. busybox --uninstall -n file displays the names of all hard links to the given file. Although this feature is couched in terms of uninstalling BusyBox it's actually quite general: it can be used to delete or display hard links to any file.
* | busybox: identify scripts in output of 'busybox --list-full'Ron Yorston2019-01-051-0/+4
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* | lineedit: allow non-ASCII characters when tab-completing filenamesRon Yorston2019-01-051-0/+4
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* | win32: special treatment for PATHRon Yorston2018-12-142-21/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The PATH shell variable is a special case. It can be exported to the environment where it might be interpreted by native applications which assume the separator is ';'. Hence: - require that the separator used in PATH is ';' - enforce this by intercepting calls to setvareq() that set PATH and adjusting its value if necessary. As a result of this the code to parse PATH can be simplified by replacing the hardcoded Unix ':' path separator by the platform- dependent macro PATH_SEP. The MANPATH variable is also required to use ';' as its separator but since it's less likely to be used this isn't enforced.
* | ash: move code from setup_environment()Ron Yorston2018-12-142-12/+1
| | | | | | | | | | | | | | ash calls setup_environment() but only uses a small amount of its functionality. Moving the code into ash itself means we don't need to customise setup_environment() for WIN32 and can remove it from the build.
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