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No real functional changes, just some rearranging to shorten the overly
long main() function a bit.
This gets rid of the arm_reboot_watchdog variable, as it can be directly
derived from shutdown_verb, and we need it only one time. By dropping it
we can reduce the number of arguments we need to pass around.
The file /proc/xen/capabilities is only available if xenfs is mounted.
With a classic xenlinux based kernel that file is available
unconditionally. But with a modern pvops based kernel, xenfs must be
mounted before the "capabilities" may appear. xenfs is mounted very late
via .services files provided by the Xen toolstack. Other units may be
scheduled before xenfs is mounted, which will confuse the detection of
VIRTUALIZATION_XEN.
In all Xen enabled kernels, and if that kernel is actually running on
the Xen hypervisor, the "/proc/xen" directory is the reliable indicator
that this instance runs in a "Xen guest".
Adjust the code to check for /proc/xen instead of
/proc/xen/capabilities.
Fixes commit 3f61278b5 ("basic: Bugfix Detect XEN Dom0 as no virtualization")
Setting the secure_boot flag, avoids getting the printout
"EFI stub: UEFI Secure Boot is enabled." when booting
a Linux kernel with linuxx64.efi.stub and EFI SecureBoot enabled.
This is mainly a cosmetic fixup, as the "quiet" kernel parameter does
not silence pr_efi printouts in the linux kernel (this only works using
the efi stub from the linux source tree)
We currently look for "nobody" and "nfsnobody" when testing groups, both
of which do not exist on Ubuntu, our main testing environment. Let's
extend the tests slightly to also use "nogroup" if it exists.
The "nobody" user might possibly be seen by the journal or coredumping
code if unmapped userns-using processes are somehow visible to them.
Let's make sure we don't do the ACL magic for this user either, since
this is a special system user that might be backed by different real
users in different contexts.
We already synthesize records for both "root" and "nobody" in
nss-systemd. Let's do the same in our own NSS wrappers that are supposed
to bypass NSS if possible. Previously this was done for "root" only, but
let's clean this up, and do the same for "nobody" too, so that we
synthesize records the same way everywhere, regardless whether in NSS or
internally.
Instead of contacting PID 1 for dynamic UID/GID lookups for all
UIDs/GIDs that do not qualify as "system" do the more precise check
instead: check if they actually qualify for the "dynamic" range.
This adds uid_is_system() and gid_is_system(), similar in style to
uid_is_dynamic(). That a helper like this is useful is illustrated by
the fact that test-condition.c didn't get the check right so far, which
this patch fixes.
%h is a special specifier because we look at $HOME (unless running suid, but
let's say that this case does not apply to tmpfiles, since the code is
completely unready to be run suid). For all other specifiers we query the user
db and use those values directly. I'm not sure if this exception is good, but
let's just "document" status quo for now. If this is changes, it should be in
a separate PR.
It's failing on artful s390x and i386:
Running /tmp/autopkgtest.Pexzdu/build.lfO/debian/build-deb/systemd-tmpfiles on 'f /tmp/test-systemd-tmpfiles.c236s1uq/arg - - - - %m'
expect: '01234567890123456789012345678901'
actual: 'e84bc78d162e472a8ac9759f5f1e4e0e'
--- stderr ---
Traceback (most recent call last):
File "/tmp/autopkgtest.Pexzdu/build.lfO/debian/src/test/test-systemd-tmpfiles.py", line 129, in <module>
test_valid_specifiers(user=False)
File "/tmp/autopkgtest.Pexzdu/build.lfO/debian/src/test/test-systemd-tmpfiles.py", line 89, in test_valid_specifiers
test_content('f {} - - - - %m', '{}'.format(id128.get_machine().hex), user=user)
File "/tmp/autopkgtest.Pexzdu/build.lfO/debian/src/test/test-systemd-tmpfiles.py", line 84, in test_content
assert content == expected
AssertionError
-------
Let's skip the test for now until this is resolved properly on the autopkgtest
side.
sd_path_home() returns ENXIO when a variable (such as $XDG_RUNTIME_DIR) is not
defined. Previously we used ENOKEY for unresolvable specifiers. To avoid having
two codes, or translating ENXIO to ENOKEY, I replaced ENOKEY use with ENXIO.
v2:
- use sd_path_home and change to ENXIO everywhere
An explicit --user switch is necessary because for the user@0.service instance
systemd-tmpfiles is running as root, and we need to distinguish that from
systemd-tmpfiles running in systemd-tmpfiles*.service.
Fixes#2208.
v2:
- restore "systemd-" prefix
- add systemd-tmpfiles-clean.{service,timer}, systemd-setup.service to
systemd-tmpfiles(8)
This commit adds specifiers %U, %u and %h for the user UID, name and
home directory, respectively.
[zj: drop untrue copy-pasted comments and move the next text
to the new "Specifiers" section.
Now that #7444 has been merged, also drop the specifier functions.]
I want to add presets/user/ later. This mirrors the layout for units:
we have units/ and units/user. The advantage is that we avoid having yet
another directory at the top level.
Fixes#4097.
As of current master, systemd-tmpfiles behaves correctly, apart from a trivial
typo. So let's tell github to close the bug.
With current git:
$ sudo SYSTEMD_LOG_LEVEL=debug build/systemd-tmpfiles --create `pwd`/test/tmpfiles.d/link-loop.conf
Successfully loaded SELinux database in 2.385ms, size on heap is 321K.
Reading config file "/home/zbyszek/src/systemd-work/test/tmpfiles.d/link-loop.conf".
Running create action for entry D /run/hello2
Found existing directory "/run/hello2".
"/run/hello2" has right mode 41777
Running create action for entry f /run/hello2/hello2.test
"/run/hello2/hello2.test" has been created.
"/run/hello2/hello2.test" has right mode 101777
chown "/run/hello2/hello2.test" to 0.84
Running create action for entry L /run/hello2/hello2.link
Found existing symlink "/run/hello2/hello2.link".
Running create action for entry z /run/hello2/hello2.test
"/run/hello2/hello2.test" has right mode 101777
chown "/run/hello2/hello2.test" to 0.0
Running create action for entry z /run/hello2/hello2.link
Skipping mode an owner fix for symlink /run/hello2/hello2.link.
and the permissions are:
$ ls -dl /run/hello2/ /run/hello2/*
drwxrwxrwt. 2 foo bar 80 Nov 22 14:40 /run/hello2/
lrwxrwxrwx. 1 root root 23 Nov 22 14:40 /run/hello2/hello2.link -> /run/hello2/hello2.test
-rwxrwxrwt. 1 root root 0 Nov 22 14:40 /run/hello2/hello2.test
Everything seems correct.
The code intentionally ignored unknown specifiers, treating them as text. This
needs to change because otherwise we can never add a new specifier in a backwards
compatible way. So just treat an unknown (potential) specifier as an error.
In principle this is a break of backwards compatibility, but the previous
behaviour was pretty much useless, since the expanded value could change every
time we add new specifiers, which we do all the time.
As a compromise for backwards compatibility, only fail on alphanumerical
characters. This should cover the most cases where an unescaped percent
character is used, like size=5% and such, which behave the same as before with
this patch. OTOH, this means that we will not be able to use non-alphanumerical
specifiers without breaking backwards compatibility again. I think that's an
acceptable compromise.
v2:
- add NEWS entry
v3:
- only fail on alphanumerical
The loop preparation and part of the loop contents are actually the
same, let's merge this.
Also, it's so much fun tweaking around in the name_to_handle_at() code,
let's do more of it with this patch!
(This also adds two NULL assignments, that aren't strictly necessary.
However, I figured its safer to place them in there, just in case the
for() condition is changed later. After all the freeing of the handle
and the invalidation of the cleanup-controller pointer to it are
otherwise really far away from each other...)
Before this CPUAffinity= requires a valid cpu set, and the setting
cannot be reset. Moreover, if CPUAffinity= with empty string is passed,
then message container is closed without no values appended, thus
we get error.
This makes CPUAffinity= accepts empty string to reset the setting
and avoid error.
Otherwise people might assume that systemd was installed in the $PATH,
but it is not. Do the same as for systemd-vconsole-setup.service and
friends: let's include the full path in the man page.
