Commit graph

24 commits

Author SHA1 Message Date
Zbigniew Jędrzejewski-Szmek d94a24ca2e Add macro for checking if some flags are set
This way we don't need to repeat the argument twice.
I didn't replace all instances. I think it's better to leave out:
- asserts
- comparisons like x & y == x, which are mathematically equivalent, but
  here we aren't checking if flags are set, but if the argument fits in the
  flags.
2018-06-04 11:50:44 +02:00
Zbigniew Jędrzejewski-Szmek 265e9be772 basic/rm-rf: include the path in error messages
Attempted to remove disk file system under "/tmp/systemd-temporary-aWPkbQ", and we can't allow that.
2018-05-22 12:04:39 +02:00
Zbigniew Jędrzejewski-Szmek 11a1589223 tree-wide: drop license boilerplate
Files which are installed as-is (any .service and other unit files, .conf
files, .policy files, etc), are left as is. My assumption is that SPDX
identifiers are not yet that well known, so it's better to retain the
extended header to avoid any doubt.

I also kept any copyright lines. We can probably remove them, but it'd nice to
obtain explicit acks from all involved authors before doing that.
2018-04-06 18:58:55 +02:00
Zbigniew Jędrzejewski-Szmek 53e1b68390 Add SPDX license identifiers to source files under the LGPL
This follows what the kernel is doing, c.f.
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5fd54ace4721fc5ce2bb5aef6318fcf17f421460.
2017-11-19 19:08:15 +01:00
Yu Watanabe 4c70109600 tree-wide: use IN_SET macro (#6977) 2017-10-04 16:01:32 +02:00
Andreas Rammhold ec2ce0c5d7
tree-wide: use !IN_SET(..) for a != b && a != c && …
The included cocci was used to generate the changes.

Thanks to @flo-wer for pointing this case out.
2017-10-02 13:09:56 +02:00
Zbigniew Jędrzejewski-Szmek 7cb53855dc basic/rm-rf: allow a symlink to / to be removed
We open the target path with O_DIRECTORY|O_NOFOLLOW, and if that doesn't work,
we call unlink() on the path. In neither case we will follow the symlink, so
we can relax our check to also not follow symlinks.

Fixes #5864.
2017-06-17 12:41:08 -04:00
Zbigniew Jędrzejewski-Szmek e3f791a2b3 basic/path-util: allow flags for path_equal_or_files_same
No functional change, just a new parameters and the tests that
AT_SYMLINK_NOFOLLOW works as expected.
2017-06-17 12:37:16 -04:00
Zbigniew Jędrzejewski-Szmek 84e72b5ef4 tmpfiles: use safe_glob()
This filters out "." and ".." from glob results. Fixes #5655 and #5644.

Any judgements on whether the path is "safe" are removed. We will not remove
"/" under any name (including "/../" and such), but we will remove stuff that
is specified using paths that include "//", "/./" and "/../". Such paths can be
created when joining strings automatically, or for other reasons, and people
generally know what ".." and "." is.

Tests are added to make sure that the helper functions behave as expected.
2017-04-27 13:20:30 -04:00
Jan Synacek ab88312570 basic: forbid rm_rf() to remove paths ending with ".." (#5653)
Fixes: #5644
2017-03-29 08:25:52 +02:00
Lennart Poettering 49bfc8774b fs-util: unify code we use to check if dirent's d_name is "." or ".."
We use different idioms at different places. Let's replace this is the
one true new idiom, that is even a bit faster...
2017-02-02 00:06:18 +01:00
Reverend Homer 8fb3f00997 tree-wide: replace all readdir cycles with FOREACH_DIRENT{,_ALL} (#4853) 2016-12-09 10:04:30 +01:00
Evgeny Vereshchagin f0bef277a4 nspawn: cleanup and chown the synced cgroup hierarchy (#4223)
Fixes: #4181
2016-10-13 09:50:46 -04:00
Daniel Mack b26fa1a2fb tree-wide: remove Emacs lines from all files
This should be handled fine now by .dir-locals.el, so need to carry that
stuff in every file.
2016-02-10 13:41:57 +01:00
Zbigniew Jędrzejewski-Szmek b326715278 tree-wide: check if errno is greater than zero (2)
Compare errno with zero in a way that tells gcc that
(if the condition is true) errno is positive.
2016-01-13 15:10:17 -05:00
Thomas Hindoe Paaboel Andersen 93cc7779e0 basic: re-sort includes
My previous patch to only include what we use accidentially placed
the added inlcudes in non-sorted order.
2015-12-01 23:40:17 +01:00
Thomas Hindoe Paaboel Andersen 11c3a36649 basic: include only what we use
This is a cleaned up result of running iwyu but without forward
declarations on src/basic.
2015-11-30 21:51:03 +01:00
Lennart Poettering 8fcde01280 util-lib: split stat()/statfs()/stavfs() related calls into stat-util.[ch] 2015-10-27 13:25:56 +01:00
Lennart Poettering 4349cd7c1d util-lib: move mount related utility calls to mount-util.[ch] 2015-10-27 13:25:55 +01:00
Lennart Poettering 3ffd4af220 util-lib: split out fd-related operations into fd-util.[ch]
There are more than enough to deserve their own .c file, hence move them
over.
2015-10-25 13:19:18 +01:00
Lennart Poettering 07630cea1f util-lib: split our string related calls from util.[ch] into its own file string-util.[ch]
There are more than enough calls doing string manipulations to deserve
its own files, hence do something about it.

This patch also sorts the #include blocks of all files that needed to be
updated, according to the sorting suggestions from CODING_STYLE. Since
pretty much every file needs our string manipulation functions this
effectively means that most files have sorted #include blocks now.

Also touches a few unrelated include files.
2015-10-24 23:05:02 +02:00
Lennart Poettering 5bcd08db28 btrfs: beef-up btrfs support with a limited understanding of quota
With this change we understand more than just leaf quota groups for
btrfs file systems. Specifically:

- When we create a subvolume we can now optionally add the new subvolume
  to all qgroups its parent subvolume was member of too. Alternatively
  it is also possible to insert an intermediary quota group between the
  parent's qgroups and the subvolume's leaf qgroup, which is useful for
  a concept of "subtree" qgroups, that contain a subvolume and all its
  children.

- The remove logic for subvolumes has been updated to optionally remove
  any leaf qgroups or "subtree" qgroups, following the logic above.

- The snapshot logic for subvolumes has been updated to replicate the
  original qgroup setup of the source, if it follows the "subtree"
  design described above. It will not cover qgroup setups that introduce
  arbitrary qgroups, especially those orthogonal to the subvolume
  hierarchy.

This also tries to be more graceful when setting up /var/lib/machines as
btrfs. For example, if mkfs.btrfs is missing we don't even try to set it
up as loopback device.

Fixes #1559
Fixes #1129
2015-10-22 01:59:25 +02:00
Tom Gundersen 636aabc272 tmpfiles: silently ignore failed removal of btrfs submount from non-dir
This fixes:
Jun 16 16:00:20 tomegun-x2402 systemd-tmpfiles[233]: rm_rf(/var/lib/machines/.#fedora.lck): Not a directory
Jun 16 16:00:20 tomegun-x2402 systemd-tmpfiles[233]: rm_rf(/var/lib/machines/.#Fedora-Cloud-Base-20141203-21.x86_64.raw.lck): Not a directory
2015-06-16 16:23:13 +02:00
Kay Sievers a095315b3c build-sys: split internal basic/ library from shared/
basic/      can be used by everything
            cannot use anything outside of basic/

libsystemd/ can use basic/
            cannot use shared/

shared/     can use libsystemd/
2015-06-11 10:52:46 +02:00
Renamed from src/shared/rm-rf.c (Browse further)