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2020-05-13devmem: avoid sign extension.Elliott Hughes
Bug: http://b/156292059 Signed-off-by: Wei Wang <wvw@google.com>
2020-04-16Promote rtcwake.Rob Landley
2020-04-16Promote blkdiscard.Rob Landley
2020-04-14shred: fix -z flag check, switch to FLAG() macros.Ethan Sommer
2020-04-12Minor cleanup.Rob Landley
2020-04-02Move #include <linux/*.h> into individual commands, initialize structRob Landley
with memset() instead of = {}, and move TT.alarm to local variable.
2020-04-01Add rtcwake.Elliott Hughes
Some of the bringup folks are debugging RTC issues and asked for this. Rather than duplicate the weird xtzset dance with mktime, I've factored that out into a new xmktime that takes a boolean for whether to use UTC or local time. Otherwise, the slight cleanup of hwclock.c is entirely optional. The only functional change there is that util-linux 2.34's hwclock uses ISO time format, which is the usual toybox preference anyway, so I've switched it over to that rather than ctime(3). Bug: http://b/152042947
2020-03-13Fix various typos.Elliott Hughes
In case I'm not yet in the running for the most pedantic change of this release, I think the "days of the week are written with initial capitals in English" subset of this patch is a strong contender. (Found via `toybox help -a | ispell -l | sort | uniq`.)
2020-03-11Redo NOFORK plumbing so commands like eval/unset can access/edit shell state.Rob Landley
2020-03-10modinfo: various fixes.Elliott Hughes
I came here because the new -Wno-unreachable-code-loop-increment warning didn't like the for loop on line 86. That loop is indeed not necessary. Use strend() to do a string suffix match. Use memmem() to search. It's available on macOS and Android by default, but it's behind _GNU_SOURCE for glibc, so add that to portability.h. Output the tags in the same order as the Debian modinfo. I've left "parmtype" in even though the Debian modinfo doesn't output it at all. Also fix the tests so that they work on a device that has modules for multiple kernels installed (like my laptop) --- make sure that the two modules we pick come from the same kernel.
2020-03-02Merge realpath into readlink, use xabspath() instead of libc realpath().Rob Landley
2020-02-27chattr: allow `chattr =`.Elliott Hughes
Also fix another bug where we were testing `set` twice. Fixes https://github.com/landley/toybox/issues/172.
2020-02-11chattr: fix exit status, redo the tests.Elliott Hughes
The e2fsprogs chattr(1) returns failure when it fails to do what was asked of it, and so should we. Fixing this then reveals a lot of issues with the tests that were being accidentally swept under the carpet. The bulk of this patch is going through all the tests, removing the duplicates and making the remaining tests more thorough. I've tested this on ext4 and f2fs on a variety of 4.x and 5.x kernel versions (but nothing older). We might need to reduce the list of attribtues we try to toggle, but the more thorough tests use well-supported attributes. I've also fixed the -R test to actually involve a directory hierarchy.
2020-02-06chattr: improve error messages.Elliott Hughes
When chattr fails in production, it helps to see what it was trying to do. Reuse the lsattr format but without the '-'s. Only read the flags if we have any intention of changing them: `chattr -p 123` has no reason to read the flags. Only write the flags back if they actually change: `chattr +a` shouldn't do anything if that flag is already set, for example. Switch -p and -v to perror_msg() instead of perror_exit() in case they're used with -R. (I suspect that the uses of DIRTREE_ABORT are mistakes given -R, but I'll leave them until I actually hit this.)
2020-02-06Remove old GNU style `' quoting.Elliott Hughes
Even GNU don't pretend they're still on 1970s terminals where ` and ' were a matching pair any more.
2020-02-05chattr: reuse toybox argument parsing.Elliott Hughes
Rewrite -v and -p to not use ad hoc argument parsing.
2020-02-01lsattr/chattr: improve help text.Elliott Hughes
Document all the attributes, and take less space doing so. Switch to CAPITALS for user input in the synopses. Don't imply that this is only for ext2 (but also don't try to list the subset of file systems that do support which subset of attributes).
2020-01-22lsattr/chattr: -p support.Elliott Hughes
Add support for setting projid in chattr, and dumping it in lsattr. Also fix the lsattr output formatting, and undo my well-intentioned sorting of the flags because that broke the ordering in the lsattr terse output.
2020-01-20lsattr/chattr: add missing flags.Elliott Hughes
Also update help to include flags that were already added. Remove useless duplicative comments. Swich to FLAG macros.
2020-01-10setsid: document -w.Elliott Hughes
-w was added recently. The change in behavior so we now always fork means that it's needed in more cases too: other implementations of setsid(1) only fork if getpgrp() != getpid(). This broke a script, which is what made me notice the missing help. This seems to have been an accidental change, and is contrary to what the util-linux setsid(1) man page says: "The command calls fork(2) if already a process group leader. Otherwise, it executes a program in the current process", but whether we change our behavior or not, we should document the new option.
2020-01-03Finish cd, make help -ahu unconditional, fix expand memory cleanup path,Rob Landley
set $HOME $PWD and $OLDPWD, fix prompt \w, shuffle some functions around to avoid prototypes, implement tilde expansion, add FORCE_COPY.
2020-01-03No, optflags gets cleared by toy_init(), use toys.rebound instead.Rob Landley
2020-01-03Add MAYFORK to "help", teach it to behave differently when called as aRob Landley
builtin, and add -u.
2019-12-28Cleanup: use FLAG() macros and new argument variable names.Rob Landley
2019-12-26Fix setsid with vfork, redo command line arguments.Rob Landley
Switch -t to -c (like man page says), add -w (wait) and -d (detach from tty)
2019-12-06stat: fix filesystem type on macOS.Elliott Hughes
(Also show unknown values on Linux in hex rather than just "unknown".)
2019-10-27Switch fallocate to new style global names.Rob Landley
2019-10-27fallocate: remove uClibc workaround to benefit macOS.Elliott Hughes
My understanding is that uClibc is dead, and the probe for fallocate would need to be made more complicated to work for macOS (where we fake posix_fallocate() in lib/portability.c).
2019-10-26losetup: Change variable name to improve readabilityAlessio Balsini
Having a dynamic memory pointer named as "s", issuing "free(s)" and then performing "FLAG(s)" is correct: "FLAG(s)" is a macro which uses "s" as a token and expands as "FLAG_s". At a glance, this would instead look like a use-after-free violation. Fix this readability issue by renaming the "s" pointer variable to "f_path". Change-Id: I51f139034a7dcd67a08a6952bc22c1a904162c65 Signed-off-by: Alessio Balsini <balsini@android.com>
2019-10-26losetup: Fix memory leaks in loopback_setup()Alessio Balsini
The function loopback_setup() uses xabspath() to get the loopback path. This function allocates dynamic memory which should be freed by the function caller. But there are early return cases where the dynamic memory is not freed. Besides the special cases of perror_exit(), for which the "early" free operation is simply used to silence memory analysis tools, the if (racy && errno == EBUSY) return 1; branch may be a real cause of memory leak. Fix by adding a new free() in the racy+EBUSY branch and anticipating the existing free(). Signed-off-by: Alessio Balsini <balsini@android.com>
2019-10-14losetup: Fix null-termination of src string instead of dest after copyAlessio Balsini
The function loopback_setup(), after copying the loopback device name with xstrncpy(), ensures the null-termination of the string by forcing its last byte to 0. Unfortunately, this operation: - was probably intended to null-terminate dest instead; - does not affect the program execution because src is free()d right after; - if the size of src is smaller than the offset of the written zero, it modifies an unknown byte in the heap. Drop the null-termination line to fix the issue: xstrcpy() automatically null-terminates dest, or fails if the size of src is bigger than the the requested number of bytes to copy. Signed-off-by: Alessio Balsini <balsini@android.com>
2019-10-04readlink: add missing line, plus a test.Elliott Hughes
I must have lost this line somehow when I moved the patch from my AOSP tree to a toybox tree. (But the ln tests passed on the host because I was using coreutils ln there :-( )
2019-10-02readlink: support multiple arguments.Elliott Hughes
Required by the new `ln -t` test if it's to pass on an all-toybox system :-)
2019-09-26hexedit: fix scrolling on legacy terminalsJarno Mäkipää
Thanks for James McMechan for pointing this out. Using esc[1L and esc[1M escapes with cursor jump to 1, 1 to make scrolling effect instead of S and T fixes scrolling inside Linux terminal and tmux -Jarno
2019-09-18Get exit code right when command intercepts signal, make timeout useRob Landley
xwaitpid(), fix off by one in xwaitpid().
2019-09-13timeout: fix exit status for sneaky subprocesses.Elliott Hughes
There's nothing to stop a subprocess from catching our SIGTERM on timeout and exiting, causing us to incorrectly report that it didn't time out. Android's ART has a utility that does exactly this. Explicitly catch this case, and add corresponding tests. Bug: http://b/141007616
2019-08-19Tiny cleanup, net two lines shorter.Rob Landley
2019-08-15Fix two typos.Elliott Hughes
2019-08-15Switch makedevs to new GLOBALS naming.Rob Landley
2019-08-12blkid: add -s, SEC_TYPE, f2fs LABEL, and fix vfat/ntfs UUID.Elliott Hughes
This gets the tests passing with both toybox and util-linux 2.32.1 blkid. We use -s to get around the fact that we still don't support ntfs' $VOLUME_NAME attribute.
2019-08-09losetup: fix the race.Elliott Hughes
There's a race between LOOP_CTL_GET_FREE and LOOP_SET_FD. Work around it by just retrying if we get EBUSY on the LOOP_SET_FD call. This is what similar code in ChromeOS already does. Bug: http://b/135716654
2019-08-03Fix a bug report from E5ten: stat of a file with suid or sticky bit setRob Landley
output 5 digits of octal stat data instead of 4, due to hardwired leading 0 instead of %04a sprintf prefix.
2019-07-24Rewrite tac to make better use of lib functions.Rob Landley
2019-07-24tac: switch to getline().Elliott Hughes
2019-07-22Start replacing get_line() with getline().Elliott Hughes
I started this last night, but thought I'd aim to send multiple small patches rather than work through all the callers and send one big patch. I've deliberately chosen the ugly name `allocated_length` because we've had historical bugs where folks think this a line length in the sense of the return value. I do wonder whether we should actually have some kind of getline() wrapper that hides the `char *`/`size_t` pair in lib/, which makes the function easier to use in most cases but does add the less common gotcha that you wouldn't be able to getline() through multiple files at once (which does happen in at least one toy). But maybe the real fix is to look harder for places where we can just use loopfiles_lines? Speaking of which, should we actually add two more arguments to that? Specifically: switch it to getdelim() rather than getline() behind the scenes, and also add a way to have the trailing '\n' automatically removed, since that seems to be what most callers want? Anyway, that seemed like enough questions that it was time to send this initial patch out before doing too much more...
2019-07-11bind/connect cleanup.Elliott Hughes
Rename the existing xbind/xconnect to xbindany/xconnectany, to make room for new xbind/xconnect that are more like 'x' versions of the regular bind and connect. Move explicit bind/connect callers over to xbind/xconnect. Of the affected commands, only netcat is actually used by Android. It was the most recent patch to netcat that made the lack of a more traditional xbind/xconnect apparent.
2019-06-28modinfo: various small fixes.Elliott Hughes
Improve Android support (see code comments). Remove unnecessary fixed-length limits. Show error if module not found (plus test). Expand help text. Switch to FLAG macro. Stop hard-coding module assumptions in the tests.
2019-06-28file, stat: various small improvements.Elliott Hughes
file now shows the target of a symbolic link and calls out broken symbolic links. file now shows the device type for block/character special files. file now shows specific reason when it can't open. stat now includes the device type, plus a little more space between the number of blocks and the human-readable file type. Adjusted tests accordingly, which actually makes more of them pass on the host as a convenient side-effect, but I actually made these changes because I've been finding the desktop file and stat output more convenient in these cases.
2019-06-26losetup: fix Android.Elliott Hughes
Use /dev/block/loop* more uniformly, and teach the tests which to expect.
2019-06-25losetup: minor fixes.Elliott Hughes
Fix `losetup -f` to not fail with an error. Add the missing \n for `losetup -f --show FILE`. Use decimal for the device number, like the desktop losetup. Switch to the FLAG macro. Make the tests runnable as tests, and expand coverage a bit. With this patch, the tests pass both with and without TEST_HOST on the desktop. Note though that this patch is part of fixing some real-life losetup issues, not part of the "test cleanup" I'm also looking at. losetup is low down that list!