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* Merge branch 'busybox' into mergeRon Yorston2020-08-231-0/+7
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| * ntpd: fix refid reported in server mode, closes 13056Denys Vlasenko2020-07-201-0/+7
| | | | | | | | | | | | | | | | | | | | function old new delta resolve_peer_hostname 129 196 +67 recv_and_process_peer_pkt 2475 2476 +1 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/0 up/down: 68/0) Total: 68 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* | win32: code shrink Unix-style path handlingRon Yorston2020-08-231-9/+1
| | | | | | | | | | | | | | | | Replace auto_add_system_drive() with alloc_system_drive() which leaves space for a possible filename extension. This makes it possible to drop alloc_win32_extension() and auto_win32_extension(). Saves 144 bytes.
* | win32: use built-in applets for non-existent binaries with Unix-style pathsRon Yorston2020-08-131-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Shell scripts moved from Unix may contain hard-coded paths to binaries such as /bin/sh. A recent commit made it possible to execute such binaries reliably, but that does require them to be installed. As an alternative solution: if a binary with a standard Unix path prefix can't be found but is available as a built-in applet, run the applet. Add the function unix_path() to detect paths starting with /bin, /usr/bin, /sbin or /usr/sbin. Use this function in: - the 'which' applet - shellexec(), describe_command() and find_command() in ash - mingw_spawn_1() See GitHub issue #195.
* | win32: handle Unix-style absolute paths for executablesRon Yorston2020-08-131-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As noted in commit 548ec7045 (win32: interpret absolute paths as relative to %SYSTEMDRIVE%) a path starting with a '/' in the Unix world is treated as relative to the current drive by Windows. To avoid ambiguity that commit considered certain such paths to be relative to %SYSTEMDRIVE%. Extend this to paths representing executables. Add the functions need_system_drive() and auto_add_system_drive() to detect the need for a system drive prefix and to add it if necessary. Use these functions in: - the 'which' applet - the find_executable() function - tab-completion code - PATH look-up, shellexec(), describe_command() and find_command() in ash - parse_interpreter() and mingw_spawn_1() With these changes executable paths starting with a slash are handled consistently, whatever the current drive.
* | win32: use a static buffer in get_system_drive()Ron Yorston2020-08-131-1/+1
| | | | | | | | | | | | | | Allocate static storage for the system drive string instead of making a new allocation on every call. This is easier to manage. Adds 16 bytes.
* | win32: code shrinkRon Yorston2020-08-131-1/+1
| | | | | | | | | | | | | | | | | | | | Add a new function, has_path(), to detect that an executable name doesn't require a path look-up. Also, since is_absolute_path() is now only used in shell/ash.c move its definition there from include/mingw.h. Saves 128 bytes.
* | win32: move code to fork (de)compressor to a functionRon Yorston2020-08-051-0/+1
| | | | | | | | | | | | | | | | Use a new common function, mingw_fork_compressor(), to implement fork_transformer() in open_transformer.c and vfork_compressor() in tar.c. Saves 160 bytes.
* | win32: code shrink kill(2)Ron Yorston2020-07-251-1/+1
| | | | | | | | | | | | | | | | - Drop exit_code argument from kill_SIGTERM_by_handle() - Pass signal number rather than exit code to other functions - Merge kill_SIGKILL() and kill_SIGTEST() Saves 112 bytes.
* | win32: import strndup from gnulibRon Yorston2020-07-091-0/+5
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* | Merge branch 'busybox' into mergeRon Yorston2020-07-092-0/+7
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| * randomconfig fixesDenys Vlasenko2020-06-231-0/+1
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * randomconfig fixDenys Vlasenko2020-06-231-0/+4
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * randomconfig fixesDenys Vlasenko2020-06-231-0/+2
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* | win32: return raw file attributes in struct mingw_statRon Yorston2020-07-091-0/+1
| | | | | | | | | | | | Until now the emulated stat(2) system calls have only returned a synthesised Unix-style mode value. Also return the raw Windows file attributes.
* | win32: fix networking problemsRon Yorston2020-06-031-0/+1
| | | | | | | | | | | | | | | | | | The subprocess that handles incoming connections for httpd didn't work. It has an accepted connection on stdin and calls getpeername() to obtain its details, but getpeername() didn't initialise networking. ssl_client only seems to deal with file descriptors. Expose init_winsock() again and call it from ssl_client.
* | win32: only initialise networking if necessaryRon Yorston2020-06-011-1/+7
| | | | | | | | | | | | A call to initialise networking is made during start up even if the applet doesn't need it. Instead, only initialise networking when a call is made to a function that definitely requires it.
* | ash: simplify spawning during forkshellRon Yorston2020-06-011-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | spawn_forkshell() uses mingw_spawn_proc() to start the child shell. mingw_spawn_proc() then calls mingw_spawn_1() which determines that "sh" is an applet, thus calling mingw_spawn_applet() which finally calls spawnveq(). Not only is this convoluted it also won't work if PREFER_APPLETS and SH_STANDALONE aren't enabled. Simplify matters by adding a new function, mingw_spawn_forkshell(), which is tailored for just this case.
* | dd: fix handling of 'conv=notrunc seek=N'Ron Yorston2020-05-201-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit e6680912a (dd: create a sparse file when seek=N is used) broke the use of 'conv=notrunc seek=N' to modify existing files. Rename seek_sparse() to make_sparse() and: - add an argument to specify the start of the sparse region; - call make_sparse() before ftruncate(); - call make_sparse() only if: * we can determine the size of the file; * the file is not open in append mode; * the file is being extended. This should fix GitHub issue #186.
* | ash: reset ANSI emulation when BB_SKIP_ANSI_EMULATION changesRon Yorston2020-04-132-0/+2
| | | | | | | | | | Update the skip status on the first call to skip_ansi_emulation() and whenever the BB_SKIP_ANSI_EMULATION variable changes.
* | time: WIN32 portRon Yorston2020-04-061-1/+2
| | | | | | | | | | | | | | | | Port the time applet to WIN32. This requires the implemntation of a replacement for wait3(2). Only elapsed, user and system times are supported, not the memory and i/o statistics reported by GNU time.
* | win32: new functions: getpeername(2), mingw_spawn_detach()Ron Yorston2020-04-051-0/+3
| | | | | | | | | | | | | | Implement getpeername(2). Add mingw_spawn_detach() to allow the spawned process to detach from the console.
* | dd: create a sparse file when seek=N is usedRon Yorston2020-03-241-0/+1
| | | | | | | | | | | | | | When the seek=N argument is used mark the file as sparse and set the range that is sparse. See https://stackoverflow.com/questions/4011508/how-to-create-a-sparse-file-on-ntfs
* | Merge branch 'busybox' into mergeRon Yorston2020-02-181-0/+2
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* | win32: tidy up detection of device filesRon Yorston2020-02-161-1/+1
| | | | | | | | | | | | | | Define NOT_DEVICE as -1 so the return value of index_in_strings() when no device name is matched is NOT_DEVICE. Make the logic in mingw_open() clearer.
* | Merge branch 'busybox' into mergeRon Yorston2020-02-151-0/+13
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| * ash,hush: allow builtins to be tab-completed, closes 7532Ron Yorston2020-01-291-0/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | function old new delta complete_cmd_dir_file 678 830 +152 get_builtin_name - 35 +35 optschanged 125 132 +7 hush_main 1069 1076 +7 save_command_ps_at_cur_history 76 78 +2 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 4/0 up/down: 203/0) Total: 203 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* | win32: code shrinkRon Yorston2020-02-131-1/+1
| | | | | | | | | | Have bs_to_slash() return a pointer to its argument. This allows some calls to be chained, saving 32 bytes.
* | date: code shrinkRon Yorston2020-02-111-1/+0
| | | | | | | | | | | | | | Since we don't have a working clock_settime(2) there's no point in claiming to support the '-s' option. Saves 96 bytes
* | Build fixesFRP-3329-gcf0fa4d13Ron Yorston2020-01-081-1/+1
| | | | | | | | | | | | - Update configuration files - Omit unnecessary libraries - Replace fake stime(2) with fake clock_settime(2)
* | Merge branch 'busybox' into mergeRon Yorston2020-01-081-1/+21
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| * clang/llvm 9 fix - do not eliminate a store to a fake "const"Denys Vlasenko2019-10-251-1/+21
| | | | | | | | | | | | | | This is *much* better (9 kbytes better) than dropping "*const" optimization trick. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* | Merge branch 'busybox' into mergeRon Yorston2019-08-161-4/+50
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| * libbb: reduce the overhead of single parameter bb_error_msg() callsJames Byrne2019-07-021-1/+44
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Back in 2007, commit 0c97c9d43707 ("'simple' error message functions by Loic Grenie") introduced bb_simple_perror_msg() to allow for a lower overhead call to bb_perror_msg() when only a string was being printed with no parameters. This saves space for some CPU architectures because it avoids the overhead of a call to a variadic function. However there has never been a simple version of bb_error_msg(), and since 2007 many new calls to bb_perror_msg() have been added that only take a single parameter and so could have been using bb_simple_perror_message(). This changeset introduces 'simple' versions of bb_info_msg(), bb_error_msg(), bb_error_msg_and_die(), bb_herror_msg() and bb_herror_msg_and_die(), and replaces all calls that only take a single parameter, or use something like ("%s", arg), with calls to the corresponding 'simple' version. Since it is likely that single parameter calls to the variadic functions may be accidentally reintroduced in the future a new debugging config option WARN_SIMPLE_MSG has been introduced. This uses some macro magic which will cause any such calls to generate a warning, but this is turned off by default to avoid use of the unpleasant macros in normal circumstances. This is a large changeset due to the number of calls that have been replaced. The only files that contain changes other than simple substitution of function calls are libbb.h, libbb/herror_msg.c, libbb/verror_msg.c and libbb/xfuncs_printf.c. In miscutils/devfsd.c, networking/udhcp/common.h and util-linux/mdev.c additonal macros have been added for logging so that single parameter and multiple parameter logging variants exist. The amount of space saved varies considerably by architecture, and was found to be as follows (for 'defconfig' using GCC 7.4): Arm: -92 bytes MIPS: -52 bytes PPC: -1836 bytes x86_64: -938 bytes Note that for the MIPS architecture only an exception had to be made disabling the 'simple' calls for 'udhcp' (in networking/udhcp/common.h) because it made these files larger on MIPS. Signed-off-by: James Byrne <james.byrne@origamienergy.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * mount,losetup: use /dev/loop-control is it existsDenys Vlasenko2019-06-091-3/+4
| | | | | | | | | | | | | | | | | | | | | | function old new delta get_free_loop - 58 +58 set_loop 597 649 +52 losetup_main 482 476 -6 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 1/1 up/down: 110/-6) Total: 104 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * libbb: move netlink socket binding to the utility functionDenys Vlasenko2019-06-031-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | function old new delta create_and_bind_to_netlink - 134 +134 ifplugd_main 1117 1052 -65 uevent_main 399 306 -93 mdev_main 314 215 -99 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/3 up/down: 134/-257) Total: -123 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * losetup: Add partition scanning optionJack O'Sullivan2019-05-301-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | Add -P option from util-linux losetup to scan for partitions. function old new delta losetup_main 449 482 +33 packed_usage 33264 33292 +28 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/0 up/down: 61/0) Total: 61 bytes Signed-off-by: Jack O'Sullivan <jackos1998@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* | win32: allow nanosecond precision in file timesRon Yorston2019-08-161-16/+19
| | | | | | | | | | | | Modern Linux kernels use struct timespec to represent file times, thus allowing nanosecond precision. Update the WIN32 emulation of struct stat and stat(2) to do the same.
* | Merge branch 'busybox' into mergeRon Yorston2019-05-272-1/+15
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| * libarchive: treat one "FIXME: avoid seek"Denys Vlasenko2019-05-242-0/+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>
| * Optionally re-introduce bb_info_msg()James Byrne2019-04-301-1/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* | win32: try to make working directory names consistentRon Yorston2019-04-021-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Standardise the path names used for the current working directory by: - resolving with realpath(3); - making the drive name or host name uppercase. The first only really works for physical drives; results for mapped drives are patchy. The standardisation is applied in two places: - at the end of updatepwd() in ash; - when a symbolic link is resolved in mingw_chdir().
* | win32: fix compilation error; update default configurationsRon Yorston2019-03-311-0/+1
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* | Merge branch 'busybox' into mergeRon Yorston2019-03-311-1/+5
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| * libbb: mark scripted_main() as externally visibleRon Yorston2019-03-301-1/+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/+4
| | | | | | | | | | | | | | | | 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/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* | win32: interpret absolute paths as relative to %SYSTEMDRIVE%Ron Yorston2019-03-281-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BusyBox contains hardcoded references to absolute paths which are unique in the *nix world but on Microsoft Windows are interpreted as being on the current drive. To make these unique again consider them to be relative to %SYSTEMDRIVE%. Support this by adding functions to: - determine the system drive (not using the environment variable); - change a process's current directory to the root of the system drive; - make relative paths absolute before changing directory (if needed). The following applications have been modified: - ash references /etc/profile from the system drive; - dpkg places its data store on and installs files to the system drive; - rpm installs files to the system drive; - man looks for configuration files and man pages on the system drive. See GitHub issue #158.
* | win32: share code to find root prefix of pathRon Yorston2019-03-231-0/+3
| | | | | | | | | | | | | | 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.
* | Merge branch 'busybox' into mergeRon Yorston2019-03-161-0/+2
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