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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!
2019-06-08macOS: numerous fixes.Elliott Hughes
This patch adds a BSD version of xgetmountlist (for the path == NULL case only), tested on macOS. It also papers over the differences between macOS' and Linux's xattr APIs. For once I think the macOS one is better. The imitation of mknodat I've had to write swings things back in Linux's favor though. BSD calls f_frsize by the name f_iosize instead. (FWIW, it looks like this is meaningless on Linux and actually meaningful on macOS.) I've added one #if to toys/ --- I'm calling pathconf in stat.c to work around the absence of f_namelen, and have left a TODO with an explanation. I'm not sure what the best fix is here, so punting. No-one can agree what f_fsid is, even if they're all basically the same, so work around the `val` versus `__val` issue between macOS and Linux. With this patch, it's now possible to build cp/mv/install and stat for macOS too. (Which completes the set of "toybox commands currently used on Linux as part of the AOSP build" if you ignore stuff that deals with processes, which I doubt we'll ever be able to support for lack of any API.)
2019-06-07Implement stat %C and find %Z.Elliott Hughes
We'd documented find %Z but not implemented it. We'd neither documented nor implemented stat's corresponding %C (they'd already taken %Z for ctime, which is ironic because %c/%C sounds more obvious than %z/%Z for that to me).
2019-04-18Remove a line that's already in toys.h.Rob Landley
2019-04-16Add argument to xflush() so it can test for stdout err without flushing.Rob Landley
2019-04-12Make help text spacing consistent.Rob Landley
2019-04-04Tweak stat.Rob Landley
next_printf() shouldn't return null unless it never found the start of an escape sequence (it'll return a pointer to the null at the end of the string otherwise), and the only time we point it at a % and it doesn't is when it's %%. So handle that before calling. (Also, a single trailing % prints in other implementations, and while I'm there update to use FLAG() macros, add a couple comments, and only xflush() once per pattern.)
2019-04-04stat: avoid null dereference.liwugang
When the specified format string has odd '%' in the end, the next_printf function will return null. Checking the result value before using it. Signed-off-by: liwugang <liwugang@xiaomi.com>
2019-03-23login: clear environment when -p is absentWilliam Djupström
2019-03-18cmp/env/nice/nohup/sort: use TOYFLAG_ARGFAIL.Elliott Hughes
Also be a bit more consistent about `COMMAND [ARG...]` in usage text.
2019-03-13timeout: remove bogus depends-on.Elliott Hughes
2019-03-13Use defined constants for mkpathat.Hadrian Węgrzynowski
2019-03-10Add TOYFLAG_ARGFAIL() to allow argument parsing failures to exit with value.Rob Landley
2019-03-10timeout: --foreground, --preserve-status, and --signal.Elliott Hughes
--signal is simply a synonym for the exiting -s. --foreground disables functionality we didn't yet have: putting the child into a new process group. I've added the functionality and the flag to disable it. --preserve-status also makes it clear that our exit statuses didn't match the coreutils version. In addition to callers that use --preserve-status to get away from this madness, I also have callers that check for specific exit values. This patch implements --preserve-status but also fixes all the other exit statuses. (The "125" exit value is broken for toybox in the same way that `toybox grep --whoops ; echo $?` is. To fix this, we'd need some way to signal that command-line parsing failures should exit with a different value than the usual 1 --- 2 for grep, 125 for timeout. I've done as much as grep manages, and left a TODO.) Also add timeout tests. I couldn't think of an easy test for --foreground, so I tested that manually with strace. Also add some newlines to the `toybox --help` output to make it easier to find the different sections, and expand the section on durations to call out that fractions are supported as a matter of policy. As long as timeout and sleep have text describing the duration syntax, make them the same. (Personally I'd remove both in favor of the `toybox --help` output, but as long as they're duplicated, keep them consistent.) Also remove the SLEEP_FLOAT variant --- xparsetime means that sleep no longer requires floating point to support sub-second resolution.
2019-03-10Make multiple sendfile variants, and teach xpopen_both() to use existingRob Landley
stdin/stdout filehandles.
2019-03-07Add reset_env() and make su and login use it. Do long-delayed login cleanup.Rob Landley
2019-03-04Consistently use ARRAY_LEN.Elliott Hughes
2019-03-02Promote devmem.Rob Landley
2019-03-02Improve help consistency.Elliott Hughes
More consistent tense, capitalization, and punctuation. A few commands were missing an introductory line, so I copied those from the first comment line.
2019-03-01William Djupström pointed out we need to chown() the tty.Rob Landley
Do the FLAG() and short argument variable cleanups while we're there.
2019-03-01Minor tweaks.Rob Landley
2019-02-23Add blkid -U and -L.Rob Landley
2019-02-23Promote mcookieRob Landley
2019-02-23Bumper typo cleanup.Elliott Hughes
Inspired by some of the small patches that have gone by recently. Limited to only things found in `generated/help.h`, plus a wider cleanup for the more common "milisecond" typo.
2019-02-23Switch losetup to short arg var style and force typecasts for printf.Rob Landley
2019-02-20Exit code should indicate _which_ signal oneit's exiting due to.Rob Landley
2019-02-15mountpoint: add missing synopsis.Elliott Hughes
2019-02-15Fix typos: e.g. change "cannonical" to "canonical".Jason Spiro
2019-02-04Reset screen wrap mode (broken by qemu -nographic output).Rob Landley
2019-01-25OpenEmbedded needs commands installed in specific places.Rob Landley
2019-01-12stat: add --format synonym for -c.Elliott Hughes
Used in the AOSP x86 host build.