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* mingw: include unwind tables in 64-bit build by defaultRon Yorston2015-07-141-1/+1
| | | | | | Add "-funwind-tables -fasynchronous-unwind-tables" to CFLAGS for the 64-bit build, overriding the usual default. Without this change setjmp/longjmp don't work.
* ash: store pointers to be fixed as pointers, not intRon Yorston2015-07-141-14/+16
| | | | | | The data block passed during forkshell includes the nodeptr array of (internal) pointers to (other internal) pointers that need to be fixed. Store the pointers as pointers, not int.
* ipcalc: enable by default for WIN32Ron Yorston2015-07-136-15/+16
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* Allow different ways to manipulate environment for XP vs 64-bitRon Yorston2015-07-035-1/+1130
| | | | | | | | | | | Commit fa147bd 'Use putenv to implement unsetenv/clearenv' allowed BusyBox to run on ReactOS but broke it on Windows XP so it was reverted. It turns out that the same change is required on 64-bit Windows. Reinstate the 'safe' environment manipulation code but make it a configuration option. Add a config file for 64-bit Windows that does the right thing.
* libbb: really add build details to bannerRon Yorston2015-06-232-5/+5
| | | | Look at the environment variable during compilation, not runtime.
* libbb: add details of build environment to bannerRon Yorston2015-06-231-0/+6
| | | | | If the environment variable MINGW_VERSION is set print its contents on a line after the BusyBox version string.
* Add some more build details to README.mdRon Yorston2015-06-231-1/+1
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* lineedit: skip non-executables when tab-completing commandsRon Yorston2015-06-171-0/+3
| | | | | Directories on PATH in Windows are stuffed full of DLLs: ignore them when doing tab completion.
* lineedit: search applets as well as PATH for tab completionRon Yorston2015-06-171-1/+14
| | | | | | | | In standalone shell mode search the applet table as well as PATH when tab completing a command. Use a stupid linear search: we're also about to read all the directories on PATH so efficiency isn't a big concern.
* busybox: update help messageRon Yorston2015-06-171-4/+9
| | | | | Tweak text of help message in standalone shell mode. Add a warning if Windows globbing is enabled.
* Update README.mdRon Yorston2015-06-161-1/+2
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* ash: add winxp optionRon Yorston2015-06-052-6/+14
| | | | | | | | | In some circumstances Windows XP and Windows Server 2003 seem to dislike environment variables with backslashes in paths. The 'winxp' option prevents BusyBox from changing backslashes to slashes in the environment. Although the option can be managed by the 'set' builtin it only works if '-X' is given as the first argument to the shell.
* ash: skip PATH if executable and command are both busyboxRon Yorston2015-06-021-0/+21
| | | | | | If the command is 'busybox' and the executable is 'busybox.exe' don't bother checking PATH, just run the executable. This means that busybox.exe can be somewhere other than on PATH.
* mingw: add magic '--busybox' flagRon Yorston2015-06-013-2/+7
| | | | | | | | | If BusyBox is invoked with argv[1] set to --busybox skip the first two arguments so that argv[2] becomes the applet name and argv[3] et seq are its arguments. This is needed when BusyBox is run as sh.exe and the executable is reexecuted to invoke compress/decompress applets.
* mingw: fixes to implementation of waitpid(2)Ron Yorston2015-05-292-3/+3
| | | | | The third argument should be int. We only support positive pid values.
* mingw: fix conditions under which open(2) sets errno to EISDIRRon Yorston2015-05-291-1/+1
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* mingw: buffer in do_stat_internal need not be staticRon Yorston2015-05-291-1/+1
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* mingw: tidy up implementation of kill(2)Ron Yorston2015-05-293-10/+16
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* ash: seek to EOF when file is opened for appendRon Yorston2015-05-281-0/+3
| | | | | | | | | | | | | | | | This shouldn't be necessary but without it the offset becomes zero when an external command is run. rm -f log echo 1234567890 >>log cmd /c echo hi >>log echo 1234567890 >>log Before this change log would contain: hi 567890 1234567890
* Enable seamless compression for WIN32Ron Yorston2015-05-2711-12/+82
| | | | | | | | | | | | | | | | In the archival code we pretend that WIN32 is a no-MMU platform and use the new mingw_popen_fd routine to pipe data to/from commands to compress/decompress. The pretence is maintained by redefining MMU macros in bb_archive.h. This is mostly used in the archival code but there are a handful of places where it's used to access public interfaces. The symbol BB_ARCHIVE_PUBLIC is defined in these places. With these changes: tar supports seamless compression/decompression rpm2cpio and dpkg-deb can be enabled
* mingw: add routine to pipe a file descriptor to/from a commandRon Yorston2015-05-272-18/+129
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* mingw: define a macro for spawnRon Yorston2015-05-273-5/+5
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* win32: fix waitpid implementationRon Yorston2015-05-271-2/+11
| | | | _cwait requires a process handle, not a pid.
* mingw: provide fake getgroups and getgrouplistRon Yorston2015-05-184-4/+28
| | | | | This makes it possible to enable the id and groups applets, though the results they return are worthless.
* mingw: implement getpwnam (but only for current user)Ron Yorston2015-05-182-1/+13
| | | | This allows the shell to expand ~user.
* Update default configuration following mergeRon Yorston2015-05-181-1/+3
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* Merge branch 'busybox' into mergeFRPRon Yorston2015-05-1880-411/+832
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| * hush: add recent ash tests to hush testsuite too (they all pass for hush)Denys Vlasenko2015-05-1818-0/+29
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * testsuite: add some tests for ashRon Yorston2015-05-1810-0/+15
| | | | | | | | | | Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * ash: fix breakage of ${v/pat/str}Ron Yorston2015-05-181-51/+28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The commit ash: move parse-time quote flag detection to run-time breaks pattern substitution in parameter expansion. Fix this and revise the code so that the different handling of the pattern and the replacement string takes place in rmescapes rather than the separate function parse_sub_pattern. function old new delta rmescapes 227 273 +46 static.qchars 3 4 +1 subevalvar 1177 1157 -20 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/1 up/down: 47/-20) Total: 27 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * ash: move parse-time quote flag detection to run-timeRon Yorston2015-05-185-98/+72
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Because the parser does not recursively parse parameter expansion with respect to quotes, we can't accurately determine quote status at parse time. This patch works around this by moving the quote detection to run-time where we do interpret it recursively. Test case: foo=\\ echo "<${foo#[\\]}>" Old result: <\> New result: <> Do not quote back slashes in parameter expansions outside quotes. Test case: a=/b/c/* b=\\ echo ${a%$b*} Old result: /b/c/* New result: /b/c/ Based on commits 880d952, 7cfd8be, 0d7d660 and a7c21a6 from git://git.kernel.org/pub/scm/utils/dash/dash.git by Herbert Xu function old new delta argstr 1164 1193 +29 memtodest 147 174 +27 subevalvar 1153 1177 +24 redirect 1279 1282 +3 dolatstr 5 7 +2 static.spclchars 10 9 -1 expandarg 962 960 -2 evalcase 273 271 -2 evalcommand 1204 1197 -7 rmescapes 236 227 -9 preglob 27 8 -19 evalvar 604 582 -22 cmdputs 389 334 -55 readtoken1 3163 3061 -102 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 5/9 up/down: 85/-219) Total: -134 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * ash: remove arithmetic expansion collapsing at parse timeRon Yorston2015-05-183-12/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Collapsing arithmetic expansion is incorrect when the inner arithmetic expansion is a part of a parameter expansion. Test case: unset a echo $((3 + ${a:=$((4 + 5))})) echo $a Old result: 12 (4 + 5) New result: 12 9 Based on commit bb777a6 from git://git.kernel.org/pub/scm/utils/dash/dash.git by Herbert Xu function old new delta readtoken1 3180 3163 -17 Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * ash: remove superfluous code in arithmetic modeRon Yorston2015-05-181-5/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Based on commits 1a74845, cfc3d6a and ff13779 from git://git.kernel.org/pub/scm/utils/dash/dash.git by Herbert Xu function old new delta evalcommand 1197 1204 +7 localcmd 327 325 -2 readtoken1 3200 3180 -20 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/2 up/down: 7/-22) Total: -15 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * ash: do not expand tilde in parameter expansion within quotesRon Yorston2015-05-183-5/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Test case: unset a echo "${a:-~root}" Old result: /root New result: ~root Based on commit 170f44d from git://git.kernel.org/pub/scm/utils/dash/dash.git by Herbert Xu function old new delta evalvar 598 604 +6 parse_command 1440 1443 +3 localcmd 325 327 +2 readtoken1 3199 3200 +1 argstr 1180 1164 -16 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 4/1 up/down: 12/-16) Total: -4 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * ash: perform tilde expansion in all parameter expansion wordsRon Yorston2015-05-183-2/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Previously tilde expansion was not carried out for =?#% expansion words. Test case: a=~root:~root echo ${a#~root} Old result: /root:/root New result: :/root Based on commit dd721f71 from git://git.kernel.org/pub/scm/utils/dash/dash.git by Herbert Xu function old new delta subevalvar 1152 1153 +1 Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * ash: code shrink around varvalueRon Yorston2015-05-181-46/+38
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Based on commit c989d72 from git://git.kernel.org/pub/scm/utils/dash/dash.git by Herbert Xu function old new delta strtodest - 40 +40 memtodest 123 147 +24 parse_command 1443 1440 -3 readtoken1 3205 3199 -6 argstr 1203 1180 -23 varvalue 788 660 -128 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 1/4 up/down: 64/-160) Total: -96 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * ash: explain what "local -" doesDenys Vlasenko2015-05-131-1/+2
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * ash: consider "local -" case while iterating over local variables in mklocal.Eugene Rudoy2015-05-131-1/+1
| | | | | | | | | | | | | | | | | | | | | | fixes segfault introduced in 0a0acb55db8d7c4dec445573f1b0528d126b9e1f with functions using "local -". test-case: f() { local -; local x; }; f note: with this change applied multiple 'local -'s still cause multiple entries to be added to the localvars list. this problem will be addressed in a separate commit. Signed-off-by: Eugene Rudoy <gene.devel@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * libbb: Enable support for !CONFIG_MULTIUSERDaniel Thompson2015-05-121-2/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Linux recently gained a new config option, CONFIG_MULTIUSER, that makes support for non-root users optional. This results in a number of syscalls being disabled: setuid, setregid, setgid, setreuid, setresuid, getresuid, setresgid, getresgid, setgroups, getgroups, setfsuid, setfsgid, capget, capset. Currently a number of busybox applets, including login, struggle to run when CONFIG_MULTIUSER is disabled. Even the root user is unable to login: login: can't set groups: Functi This patch adds code to make change_identity() a nop on single user systems. It works by recognising the signature errno value (ENOSYS, due to the system calls being disabled) and, to avoid security risks, only deploys when the current uid and target uid is the same. After the patch is applied any attempt to switch to a non-root user will fail. Thus a badly configured userspace (for example, one that tries to start a daemon as a non-root user when the kernel cannot support this) will report errors as one would expect. Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * i2c-tools: only try /dev/i2c/* if opening /dev/i2c-* fails with ENOENTBartosz Golaszewski2015-05-111-2/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Trying to access /dev/i2c/* on every error after opening /dev/i2c-* can mislead users who e.g. don't have root access. Instead of bailing-out with "permission denied" we currently print "no such file or directory". Fix it by trying open("/dev/i2c/%d") only if we got ENOENT. Upstream i2cdetect tries to get any info it can from /sys and /proc even when invoked by an unprivileged user, but we don't want to add unnecessary bloat. Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * i2c-tools: fix 'i2cdetect -l'Bartosz Golaszewski2015-05-111-1/+4
| | | | | | | | | | | | | | | | Calling 'i2cdetect -l' only displays usage and exits. Fix it by correctly parsing command-line arguments. Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * bzcat.tests: Run both .gz and .bz2 tests, and add .Z testsThiago Jung Bauermann2015-05-111-24/+50
| | | | | | | | | | Signed-off-by: Thiago Jung Bauermann <bauerman@linux.vnet.ibm.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * tar: do not try to decode GNU extended headers as pax headersDenys Vlasenko2015-05-111-11/+17
| | | | | | | | | | | | | | function old new delta get_header_tar 1736 1692 -44 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * Conditionalize Bionic workarounds on __ANDROID_API__Matt Whitlock2015-05-031-4/+10
| | | | | | | | | | Signed-off-by: Matt Whitlock <busybox@mattwhitlock.name> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * Bionic lacks mempcpy; enable existing workaroundMatt Whitlock2015-05-031-0/+1
| | | | | | | | | | Signed-off-by: Matt Whitlock <busybox@mattwhitlock.name> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * libarchive: auto-detect .Z files as wellThiago Jung Bauermann2015-05-031-0/+7
| | | | | | | | | | Signed-off-by: Thiago Jung Bauermann <bauerman@linux.vnet.ibm.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * typo fixDenys Vlasenko2015-05-031-1/+1
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * vi: basic undo feature shouldn't depend on yankmarkAndrew Fuller2015-05-031-5/+5
| | | | | | | | | | | | | | | | | | Currently basic undo functionality with the 'u' key depends on FEATURE_VI_YANKMARK. These two features are separate, so we can remove this dependency. Signed-off-by: Andrew Fuller <abf@google.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * gzip: add support for compression levels 4-9Aaro Koskinen2015-04-261-10/+62
| | | | | | | | | | | | | | | | | | | | | | | | | | | | function old new delta gzip_main 192 282 +90 static.gzip_level_config - 24 +24 packed_usage 30439 30459 +20 fill_window 216 220 +4 pack_gzip 1789 1729 -60 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 3/1 up/down: 138/-60) Total: 78 bytes Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * Bionic lacks tcdrain; provide a workaroundMatt Whitlock2015-04-261-0/+5
| | | | | | | | | | Signed-off-by: Matt Whitlock <busybox@mattwhitlock.name> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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