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This is required for /proc/self/fd/xyz to work, but that's what we need
to convert the O_PATH fd returned by chase_symlinks() back to a regular
file fd. Hence, let's do the joining of the namespaces fully and
correctly, by doing fork()+setns()+fork() with the PID and fs
namespaces.
This makes use of the new namespace_fork() helper we just added.
Fixes: #10549
This helper is useful to ensure pidns/userns joining is properly
executed (as that requires a fork after the setns()). This is
particularly important when it comes to /proc/self/ access or
SCM_CREDENTIALS, but is generally the safer mode of operation.
Fedora Rawhide renamed dbus.service to dbus-daemon.service - that
breaks tests which require working DBus (e.g. TEST-03-JOBS)
Excerpt from the dbus.spec:
The 'dbus' package is only retained for compatibility purposes. It will
eventually be removed and then replaced by 'Provides: dbus' in the
dbus-daemon package. It will then exclusively be used for other packages to
describe their dependency on a system and user bus. It does not pull in any
particular dbus *implementation*, nor any libraries. These should be pulled
in, if required, via explicit dependencies.
now that logind doesn't mount $XDG_RUNTIME_DIR anymore we can lock down
the service using fs namespacing (as we don't need the mount to
propagate to the host namespace anymore).
The previous code did htole64() followed by unaligned_write_be32() (the
XOR and shift in between is endianness agnostic). That means, on every
architeture there is always exactly one byte swap and the iaid is
dependent on endianness.
Since dhcp_identifier_set_iaid() is part of the DUID generation
algorithm, this cannot be fixed without changing the client-id.
In particular, as the client-id already depends on the machine-id (and
is thus inherrently host-specific), it is better to stick to the current
behavior.
However, add a parameter to switch between old and new behaviour.
Since the new behavior is unused, the only real purpose of this
change is to self-document the oddity of the function.
Fixes: 933f9caeeb
Previously, setting this option by default was problematic due to
SELinux (as this would also prohibit the transition from PID1's label to
the service's label). However, this restriction has since been lifted,
hence let's start making use of this universally in our services.
On SELinux system this change should be synchronized with a policy
update that ensures that NNP-ful transitions from init_t to service
labels is permitted.
An while we are at it: sort the settings in the unit files this touches.
This might increase the size of the change in this case, but hopefully
should result in stabler patches later on.
Fixes: #1219
Add unit name in StartLimitAction=, FailureAction= and SuccessAction=
emergency_action() reason messages, so that the problematic unit is
easily visible, for example:
"unit dbus.service failed"
The function util_log_priority() is almost same as
log_level_from_string(). The difference between them is only that
util_log_priority() accepts such that '3 hogehoge'.
- Do not allocate NetworkConfigSection when filename == NULL
- set .network element before calling hashmap_put()
- Always free NetworkConfigSection in each object.
