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This also allows us to drop build.h from a ton of files, hence do so.
Since we touched the #includes of those files, let's order them properly
according to CODING_STYLE.
This downgrades errors from setting file attributes via tmpfiles to
warnings and makes them non-fatal.
Also, as a special case, if a file system does not support file
attributes at all, then the message is downgraded to debug, so that it
is not seen at all.
With this change reiserfs should not see any messages at all anymore
(since it apparently does not implement file attributes at all), but XFS
will still get a warning but no failure. The warning is something the
XFS kernel folks should fix though, by adjusting their file attributes
behaviour to be identical to ext234's.
Fixes#560.
So far a number of utilities implemented their own calls for this, unify
them in prefix_root() and prefix_roota(). The former uses heap memory,
the latter allocates from the stack via alloca().
Port over most users of a --root= logic.
On read-only filesystems trying to create the target will not fail with
EEXIST but with EROFS. Handle EROFS by checking if the target already
exists, and if empty when truncating.
This avoids reporting errors if tmpfiles doesn't actually needs to do
anything.
[zj: revert condition to whitelist rather then blacklisting, and add goto
to avoid stat'ting twice.]
We should try to execute them in the same order they appear in the
configuration files, as it is documented. Hence move to an ordered
hashmap.
(Note though, that this still doesn't execute them completely in order:
we will still apply non-glob lines before glob-lines, and reorder lines
prefixing each other and that apply to the same paths).
http://lists.freedesktop.org/archives/systemd-devel/2015-March/029055.html
Always create files first, and then adjust their ACLs, xattrs, file
attributes, never the opposite. Previously the order was not
deterministic, thus possibly first adjusting ACLs/xattrs/file
attributes before actually creating the items.
- Stick to one type for the flags field: unsigned. This appears to be
what the kernel uses, and there's no point in using something else.
- compress the flags array by avoiding sparse entries
- extend some error messages to not use abbreviated words
- avoid TTOCTTOU issues by invoking fstat() after open() when applying
file flags
- add explanation why we need to check the file type with fstat().
- don't needlessly abbreviate "attribute" as "attrib", in particually as
"chattr" abbreviates it as "attr" rather than "attrib".
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.
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.
Allow systemd-tmpfiles to set the file/directory attributes, like
chattr(1) does. Two more commands are added: 'H' and 'h' to set the
attributes, recursively and not.
Mar 13 19:48:30 adam.happyassassin.net systemd-tmpfiles[970]: "/var/lib/machines" has right mode 40700
Mar 13 19:48:30 adam.happyassassin.net systemd-tmpfiles[970]: /var/lib/machines created successfully.
Commit 3f93da987 accidentally dropped the "return 0" after detection of a
duplicate line. Put it back, to get back the documented and intended "first
match wins" behaviour.
https://launchpad.net/bugs/1428540
This patch removes includes that are not used. The removals were found with
include-what-you-use which checks if any of the symbols from a header is
in use.
In the test, p is a path to a directory, always absolute. dent->d_name
is a single path component, so they cannot be equal. The comparison
was wrong also for other reasons: D type supports globs, so direct
comparisons using streq are not enough.
This warning got its own name only in gcc5, so the suppression does
not work in gcc4, and generates a warning of its own. Use a cast,
which is ugly too, but less so.
Both plain opendir() and glob() will bump access time. Privileged
option O_NOATIME can be used to prevent the access time from being
updated. We already used it for subdirectories of the directories
which we were cleaning up. But for the directories specified directly
in the config files, we wouldn't do that. This means that,
paradoxically, our own temporary directories for PrivateTmp would stay
around forever, as long as one let systemd-tmpfiles-clean.service run
regularly, because they had their own glob patterns specified.
https://bugzilla.redhat.com/show_bug.cgi?id=1183684
