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It's only marginally shorter then the usual for() loop, but certainly
more readable.
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mask/handlers
Also, when the child is potentially long-running make sure to set a
death signal.
Also, ignore the result of the reset operations explicitly by casting
them to (void).
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set_consume() does not return -EEXIST, but 0, in case the key is already
in the Set.
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This reverts commit 46be6129d3e52556eb0f2ae4d07818f9f3f7af7a.
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set_consume(done, x) consumes x with free(x)
but
mount(…, x, …) uses it afterwards.
coverity CID 1299006
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Fix a regression caused by 4034a06d ("util: rework word parsing and c
unescaping code") which broke octal escape sequences.
The reason for this breakage is that cunescape_one() expects 4 characters
in an octal encoding, which is a stray left-over from the old code which
operated on different variables to make the length check.
While at it, add a test case to prevent the same thing from happening
again.
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No functional changes.
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Use strjoina to avoid error handling, and openat to simplify things.
Some fixes on the way:
- ferror does not set errno, so the return value was wrong in some cases
- errors are propagated in more cases
- EFI/systemd was created, but EFI/systemd-boot was deleted
- something is always printed on error
- when checking the version, comparison was done against "systemd-bo" for some reason
- return value was converted from negative to EXIT_SUCCESS/EXIT_FAILURE twice,
resulting in EXIT_SUCCESS all the time
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write() can send empty messages, so make sure loop_write() can do the same.
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https://bugs.freedesktop.org/show_bug.cgi?id=90385
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If a symlink to a combined cgroup hierarchy already exists and points to
the right path, skip it. This avoids an error when the cgroups are set
manually before calling nspawn.
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In this usecase, the file will never be materialized
with linkat().
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Under the assumption that strcmp() is cheaper than memory allocation,
let's avoid the allocation, if the new value is identical to the old.
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Continuing the general trend of splitting up util.[ch]. I specifically
want to reuse this code in https://github.com/GNOME/libglnx and
having it split up will make future copy-pasting easier.
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We should be more strict when verifying paths with path_is_safe() for
potentially dangerous constructs, and that includes lengths of
PATH_MAX-1 and larger. Be more accurate here.
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Various cleanups, be stricter when parsing unit paths.
Most importantly: return the root slice "-.slice" when asked for slice
of paths that contain no slice component.
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When parsing a unit with a trailing slash after an escaped line break, like
ExecStart=/bin/echo 'foo \
bar'
the split() function (through config_parse()) asserted and crashed pid 1:
Assertion 'current[*l + 1] == quotechars[0]' failed at ../src/shared/util.c:583, function split(). Aborting.
Fix this by returning an error in this case ("trailing garbage").
Add corresponding test case. Also fix the missing "unit" argument of
config_parse_exec() in the comment.
https://launchpad.net/bugs/1447243
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attributes
Before invoking file system ioctls we need to make sure that the
specified fd actually refers to a file system object, and not a device
node or similar. Otherwise we might by accident invoke unrelated device
driver ioctls. For example, DRM ioctls use the same ioctl numbers as the
various file system ioctls.
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literals
We simply recode them in utf8.
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inclusion
If necessary the passed string is enclosed in "", and all special
characters escapes.
This also ports over usage in bus-util.c and job.c to use this, instead
of a incorrect local implementation that forgets to properly escape.
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Change cunescape() to return a normal error code, so that we can
distuingish OOM errors from parse errors.
This also adds a flags parameter to control whether "relaxed" or normal
parsing shall be done. If set no parse failures are generated, and the
only reason why cunescape() can fail is OOM.
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- Move to its own file rm-rf.c
- Change parameters into a single flags parameter
- Remove "honour sticky" logic, it's unused these days
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like:
src/shared/install.c: In function ‘unit_file_lookup_state’:
src/shared/install.c:1861:16: warning: ‘r’ may be used uninitialized in
this function [-Wmaybe-uninitialized]
return r < 0 ? r : state;
^
src/shared/install.c:1796:13: note: ‘r’ was declared here
int r;
^
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When parsing words from input files, optionally automatically unescape
the passed strings, controllable via a new flags parameter.
Make use of this in tmpfiles, and port everything else over, too.
This improves parsing quite a bit, since we no longer have to process the
same string multiple times with different calls, where an earlier call
might corrupt the input for a later call.
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And other non-device entries (like fstab does).
Mount whatever the user asked to be mounted on / on the kernel
command line. Do less sanity check and do *not* bail out
when the mount device looks strange or does not exist.
This basically makes the changes for deviceless filesystems
from yesterday unnecessary and is in line with what we do for
filesystems set up in fstab.
Remove some code that is now dead (reverting fb02a2775a65 and
b0438462).
[tomegun:
- change patch title/description a bit.
- don't touch the /usr logic, that would be a separate change and
we don't currently have a convincing use-case for that.
- don't bail out on /sys ro. This only makes sense in containers,
where we would not be doing this anyway. If there is a use-case
we could consider that as a separate patch.]
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This allows for stateless systems.
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Add change_attr_fd() function to modify the file/directory attribute.
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This will be used by fsckd. This reverts part of
031886edfc6e96ab778c241035a8d00fb0de99d3.
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Even if plymouth is running, it might have not displayed the splash yet,
so we'll see a few lines on fbcon when we should have otherwise had
nothing.
Plymouth integration was added to systemd in commit
6faa11140bf776cdaeb8d22d01816e6e48296971. That same day, Plymouth got
systemd integration [0]. As such, the Plymouth integration has always
been obsolete, and was probably only for older Plymouth's. But I can't
imagine anybody running a Plymouth from 2011 with a systemd from 2015.
Remove the Plymouth/systemd integration, and let Plymouth's code tell
systemd to print the details.
[0] http://cgit.freedesktop.org/plymouth/commit/?id=537c16422cd49f1beeaab1ad39846a00018faec1
Signed-off-by: Jasper St. Pierre <jstpierre@mecheye.net>
Cc: Daniel Drake <dsd@endlessm.com>
Cc: Ray Strode <rstrode@redhat.com>
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CID #1237546.
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