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PR #7186 changes requires_mounts_for from strv to Hashmap.
So, it is necessary to implement a function for getting the property RequiresMountsFor=.
This introduces property_get_requires_mounts_for() which reads the Hashmap
and sends messages to bus.
Fixes#7321.
If you use machinectl to bind a file into a container, it responds with a confusing error message about a temporary directory not being a directory.
I just swapped it to error with the source that was passed, rather than the tmpdir.
It would also be nice to be able to bind files, but that's a separate issue (#7195).
Before the change:
root@epona /var/lib/sandbox $ cat bar/foo
Hello world!
root@epona /var/lib/sandbox $ machinectl bind testing /var/lib/sandbox/bar/foo /foo
Failed to bind mount: Failed to overmount /tmp/propagate.W5TNsj/mount: Not a directory
After the change:
root@epona /var/lib/sandbox $ machinectl bind testing /var/lib/sandbox/bar/foo /foo
Failed to bind mount: Failed to overmount /var/lib/sandbox/bar/foo: Not a directory
Let's reduce the amount of noise a bit, there's little point in
complaining loudly about every single unit like this, let's complain
only about the first one, and then downgrade the log level to LOG_DEBUG
for the other cases.
Fixes: #7188
It's not systemd that invokes the service internally as needed, it's
systemd-localed. Correct that.
Also, stop using the word "helper". To me a "helper" constitutes
something internal, not official API. I doubt systemd-vconsole-setup
really matches that description though, hence let's better avoid the
term.
Also, clean up some other wording, and be less imbiguous, by suggesting
a single command to apply vconsole.conf instead of two.
Follow-up for 597c25d2a7
We already print it as part of log_syntax() internal logic, don't print
it again, and in particular, don't print it at the end of log line, such
a strange place.
Follow-up for: 142468d895
So far, we assumed that kernels where TRIE was on also supported
BPF/cgroup stuff. That's not a correct assumption to make, hence check
for both features separately.
Fixes: #7054
Previously it was not possible to select which controllers to enable for
a unit where Delegate=yes was set, as all controllers were enabled. With
this change, this is made configurable, and thus delegation units can
pick specifically what they want to manage themselves, and what they
don't care about.
Otherwise it's a pointless excercise, as we'll set up an empty directory
tree that's never going to be used.
Hence, let's move this around a bit, so that we do the basesystem
initialization exactly when RootImage= or RootDirectory= are used, but
not otherwise.
When compiling with an old kernel on architectures for which the
number is not defined in missing.h, a warning is generated in missing.h.
Let's just skip the protection in this case, to allow build to proceed.
MemoryDenyWriteExecution policy could be be bypassed by using pkey_mprotect
instead of mprotect to create an executable writable mapping.
The impact is mitigated by the fact that the man page says "Note that this
feature is fully available on x86-64, and partially on x86", so hopefully
people do not rely on it as a sole security measure.
Found by Karin Hossen and Thomas Imbert from Sogeti ESEC R&D.
https://bugs.launchpad.net/bugs/1725348
Let's clarify that it's not networkd that renames interfaces, but
something else (for example, udev's link builtin based on .link files)
This doesn't change any logic, it just rewords the message a bit, to
clarify that we only log this for informational purposes, not because we
execute the rename operation ourselves.
Fixes: #7143
Fix loginctl seat sysfs tree ellipsation logic.
Simple reproducer:
loginctl --full seat-status seat0|cat
→ after this PR, all lines are shown in full. Before, lines were ellipsized to terminal width.
This makes each system call in SystemCallFilter= blacklist optionally
takes errno name or number after a colon. The errno takes precedence
over the one given by SystemCallErrorNumber=.
C.f. #7173.
Closes#7169.
Let's hook up the sysfs tree output with the output flags logic,
already used when dumping log lines or process trees. This way we get
very similar output handling for line breaking/ellipsation in all three
outputs of structured data.
Fixes: #7095
Let's say that (size_t) -1 (i.e. SIZE_T_MAX) is equivalent to
"unbounded" ellipsation, i.e. ellipsation as NOP. In which case the
relevant functions become little more than strdup()/strndup().
This is useful to simplify caller code in case we want to turn off
ellipsation in certain code paths with minimal caller-side handling for
this.
loginctl, machinectl, systemctl all have very similar implementations of
a get_output_flags() functions. Simplify it by merging two lines that
set the same flag.
