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Autostart files which contain the line gnome-autostart-phase are currently
completely skipped by systemd. This is because these are handled internally by
gnome startup through other means.
The problem is a number of desktop files that need to run on KDE too have this
flag set. Ideally they should just create systemd user units, but we're not at
this point universally yet.
This patch changes the logic so if the flag is set, we set NotShowIn-gnome,
which in turn would just not load decided at runtime.
As an optimisation if we would get conflicting OnlyShowIn lines we still
skip the file completely.
Example:
$ rg 'Exec|Autostart-Phase' /etc/xdg/autostart/gnome-keyring-pkcs11.desktop
Exec=/usr/bin/gnome-keyring-daemon --start --components=pkcs11
X-GNOME-Autostart-Phase=PreDisplayServer
$ cat '/tmp/xxx/app-gnome\x2dkeyring\x2dpkcs11@autostart.service'
# Automatically generated by systemd-xdg-autostart-generator
[Unit]
SourcePath=/etc/xdg/autostart/gnome-keyring-pkcs11.desktop
...
[Service]
...
ExecCondition=/usr/lib/systemd/systemd-xdg-autostart-condition "Unity:MATE" "GNOME"
Co-authored-by: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
The kernel has had filesystem independent reflink ioctls for a
while now, let's try to use them and fall back to the btrfs specific
ones if they're not supported.
This adds support for systematically destroying connections in
pam_sm_session_open() even on failure, so that under no circumstances
unserved dbus connection are around while the invoking process waits for
the session to end. Previously we'd only do this on success, now do it
in all cases.
This matters since so far we suggested people hook pam_systemd into
their pam stacks prefixed with "-", so that login proceeds even if
pam_systemd fails. This however means that in an error case our
cached connection doesn't get disconnected even if the session then is
invoked. This fixes that.
Let's systematically avoid sharing cached busses between processes (i.e.
from parent and child after fork()), by including the PID in the field
name.
With that we're never tempted to use a bus object the parent created in
the child.
(Note this is about *use*, not about *destruction*. Destruction needs to
be checked by other means.)
Let's make use of the new DelegateSubgroup= feature and delegate the
/supervisor/ subcgroup already to nspawn, so that moving the supervisor
process there is unnecessary.
This one is basically for free, since the service manager is already
prepared for being invoked in init.scope. Hence let's start it in the
right cgroup right-away.
If we create a subcroup (regardless if the '.control' subgroup we
always created or one configured via DelegateSubgroup=) it's inside of
the delegated territory of the cgroup tree, hence it should be owned
fully by the unit's users. Hence do so.
We don't need to apply the journal/oomd xattrs to the subcgroups we add,
since those daemons already look for the xattrs up the tree anyway.
Hence remove this.
This is in particular relevant as it means later changes to the xattr
don#t need to be replicated on the subcgroup either.
This implements a minimal subset of #24961, but in a lot more
restrictive way: we only allow one level of subcgroup (as that's enough
to address the no-processes in inner cgroups rule), and does not change
anything about threaded cgroup logic or similar, or make any of this new
behaviour mandatory.
All this does is this: all non-control processes we invoke for a unit
we'll invoke in a subgroup by the specified name.
We'll later port all our current services that use cgroup delegation
over to this, i.e. user@.service, systemd-nspawn@.service and
systemd-udevd.service.
Let's clean up validation/escaping of cgroup names. i.e. split out code
that tests if name needs escaping. Return proper error codes, and extend
test a bit.
According to setfacl(1), "the character X stands for
the execute permission if the file is a directory
or already has execute permission for some user."
After this commit, parse_acl() would return 3 acl
objects. The newly-added acl_exec object contains
entries that are subject to conditionalized execute
bit mangling. In tmpfiles, we would iterate the acl_exec
object, check the permission of the target files,
and remove the execute bit if necessary.
Here's an example entry:
A /tmp/test - - - - u:test:rwX
Closes#25114
suid binaries and device nodes should not be placed there, hence forbid
it.
Of all the API VFS we mount from PID 1 or via a unit file this one is
the only one where we didn't add MS_NODEV/MS_NOSUID. Let's address that,
since there's really no reason why device nodes or suid binaries would
be placed in hugetlbfs.
When encoding partition policy flags we allow parts of the flags to be
"unspecified" (i.e. entirely zeros), which when actually checking the
policy we'll automatically consider equivalent to "any" (i.e. entirely
ones). This "extension" of the flags was so far done as part of
partition_policy_normalized_flags(). Let's split this logic out into a
new function partition_policy_flags_extend() that simply sets all bits
in a specific part of the flags field if they were entirely zeroes so
far.
When comparing policy objects for equivalence we so far used
partition_policy_normalized_flags() to compare the per-designator flags,
which thus meant that "underspecified" flags, and fully specified ones
that are set to "any" were considered equivalent. Which is great.
However, we forgot to do that for the fallback policy flags, the flags
that apply to all partitions for which no explicit policy flags are
specified.
Let's use the new partition_policy_flags_extend() call to compare them
in extended form, so that there two we can hide the difference between
"underspecified" and "any" flags.
ukify supports signing with multiple keys, so show an example of this, and just
let ukify print the calls to systemd-measure that will be done.
This also does other small cleanups:
- Use more realistic names in examples
- Use $ as the prompt for commands that don't require root (most don't).
Once we switch to operations that don't require a TPM, we should be able to get
rid of the remaining calls that require root.
- Ellipsize or linebreak various parts
- Use --uname. We warn if it is not specified and we have to do autodetection, so
let's nudge people towards including it rather than not.
Follow-up for e069c57f06.
