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kmod is unecessary if loadable module support is disabled in the kernel,
so make the dependency optional.
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strncmp() could be used with size bigger then the size of the string,
because MAX was used instead of MIN.
If failing, print just the offending mount flag.
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Whenever a message fails, mention the offending word, instead
of just giving the whole line. If one bad word causes just this
word to be rejected, print only the word. If one bad word causes
the whole line to be rejected, print the whole line too.
https://bugs.freedesktop.org/show_bug.cgi?id=56874
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and for reloading/rebuilding configuration
More specifically this adds a number of macros that resolve to
directories for udev rules, hwdb entries, tmpfiles and sysctl.
Thsi also includes three new macros for rebuilding the hwbd/catalog
index when a package drops in new files
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This remove distro-specific support for early-boot SysV init scripts.
(And leaves support for normal SysV scripts untouched).
If distributions wish to continue to allow early-boot SysV scripts in
their distribution-specific way they should either maintain this patch
downstream manually, or write a generator for them, or simply ship all
those scripts with a .service wrapper.
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We should always try to umount the old root dir if possible, instead of
overmounting it -- if that's possible.
The initial ("first") kernel rootfs can never be umounted, hence
for the usual nitrd case we never bothered using pivot_root() and
hence with fully unmounting it. However, fedup now tranisitions twice
during boot, and in that case it is highly desirable that the "second"
root dir is entirely unmounted when we switch to the "third". This patch
makes that possible.
The pivot_root() needs a directory in the "third" root dir, to move the
"second" root dir to. We use /mnt for that, under the assumption that
this directory is likely to exist, and is not itself a mount point.
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As it turns out reboot() doesn't actually imply a file system sync, but
only a disk sync. Accordingly, readd explicit sync() invocations
immediately before we invoke reboot().
This is much less dramatic than it might sounds as we umount all
disks/read-only remount them anyway before going down.
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If ListUnitFiles fails, or an OOM occurs, then dbus_message_unref()
will be called twice on "reply", causing systemd to crash. So remove
the call to dbus_message_unref(); it is unnecessary because of
the cleanup attribute on "reply".
[zj: modified to leave one dbus_message_unref() alone, per Colin
Walters' comment.]
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A service that only sets the scheduling policy to round-robin
fails to be started. This is because the cpu_sched_priority is
initialized to 0 and is not adjusted when the policy is changed.
Clamp the cpu_sched_priority when the scheduler policy is set. Use
the current policy to validate the new priority.
Change the manual page to state that the given range only applies
to the real-time scheduling policies.
Add a testcase that verifies this change:
$ make test-sched-prio; ./test-sched-prio
[test/sched_idle_bad.service:6] CPU scheduling priority is out of range, ignoring: 1
[test/sched_rr_bad.service:7] CPU scheduling priority is out of range, ignoring: 0
[test/sched_rr_bad.service:8] CPU scheduling priority is out of range, ignoring: 100
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Some commands (like 'find') take a semicolon as separate arg. With
current parser implementation there is no way to pass one.
Patch adds token \;
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Unit files couldn't be properly parsed, because of
absent ConditionFileNotEmpty in load-fragment table.
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Having unit(s) removed/not started, even if it solved the issue and allowed
to boot successfully, should still be considered an error, as something
clearly isn't right.
This patch elevates the log message from warning to error, and adds a status
message to make things more obvious.
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This was never intended to be pushed.
This reverts commit aea54018a5e66a41318afb6c6be745b6aef48d9e.
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Since we already allow defining the mode of AF_UNIX sockets and FIFO, it
makes sense to also allow specific user/group ownership of the socket
file for restricting access.
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The mount() system call, which we issue before loading modules, will trigger
a modprobe by the kernel and block until it returns. Trying to load it again
later, will have exactly the same result as the first time.
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specific
This was premarily intended to support the LSB facility $httpd which is
only known by Fedora, and a bad idea since it lacks any real-life
usecase.
Similar, drop support for some other old Fedora-specific facilities.
Also, document the rules for introduction of new facilities, to clarify
the situation for the future.
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The behaviour of the common name##_from_string conversion is surprising.
It accepts not only the strings from name##_table but also any number
that falls within the range of the table. The order of items in most of
our tables is an internal affair. It should not be visible to the user.
I know of a case where the surprising numeric conversion leads to a crash.
We will allow the direct numeric conversion only for the tables where the
mapping of strings to numeric values has an external meaning. This holds
for the following lookup tables:
- netlink_family, ioprio_class, ip_tos, sched_policy - their numeric
values are stable as they are defined by the Linux kernel interface.
- log_level, log_facility_unshifted - the well-known syslog interface.
We allow the user to use numeric values whose string names systemd does
not know. For instance, the user may want to test a new kernel featuring
a scheduling policy that did not exist when his systemd version was
released. A slightly unpleasant effect of this is that the
name##_to_string conversion cannot return pointers to constant strings
anymore. The strings have to be allocated on demand and freed by the
caller.
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This adds SMACK label configuration options to socket units.
SMACK labels should be applied to most objects on disk well before
execution time, but two items remain that are generated dynamically
at run time that require SMACK labels to be set in order to enforce
MAC on all objects.
Files on disk can be labelled using package management.
For device nodes, simple udev rules are sufficient to add SMACK labels
at boot/insertion time.
Sockets can be created at run time and systemd does just that for
several services. In order to protect FIFO's and UNIX domain sockets,
we must instruct systemd to apply SMACK labels at runtime.
This patch adds the following options:
Smack - applicable to FIFO's.
SmackIpIn/SmackIpOut - applicable to sockets.
No external dependencies are required to support SMACK, as setting
the labels is done using fsetxattr(). The labels can be set on a
kernel that does not have SMACK enabled either, so there is no need
to #ifdef any of this code out.
For more information about SMACK, please see Documentation/Smack.txt
in the kernel source code.
v3 of this patch changes the config options to be CamelCased.
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Add efivarfs to the mount_table in mount-setup.c, so the EFI variable
filesystem will be mounted when systemd executed.
The EFI variable filesystem will merge in v3.7 or v3.8 linux kernel.
Cc: Kay Sievers <kay@vrfy.org>
Cc: Lennart Poettering <lennart@poettering.net>
Cc: Mantas Mikulėnas <grawity@gmail.com>
Cc: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Cc: Matt Fleming <matt.fleming@intel.com>
Cc: Jeremy Kerr <jeremy.kerr@canonical.com>
Cc: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Lee, Chun-Yi <jlee@suse.com>
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Starting a swap unit pointing to (What) a symlink (e.g. /dev/mapper/swap
or /dev/disk/by-uuid/...) would have said unit marked active, following
the one using the "actual" device (/dev/{dm-1,sda3}), but that new unit
would be seen as inactive.
Since all requests to stop swap units would follow/redirect to it,
and it is seen inactive, nothing would be done (swapoff never called).
This is because this unit would be treated twice in
swap_process_new_swap, the second call to swap_add_one causing it to
eventually be marked inactive.
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Just for readability, no funcational change.
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I hit an "assert(j->installed)" failure in transaction_apply(). Looking
into the backtrace I saw what happened:
1. The system was booting. var.mount/start was an installed job.
2. I pressed Ctrl+Alt+Del.
3. reboot.target was going to be isolated.
4. transaction_apply() proceeded to install a var.mount/stop job.
5. job_install() canceled the conflicting start job.
6. Depending jobs ended recursively with JOB_DEPENDENCY, among them was
local-fs.target/start.
7. Its OnFailure action triggered - emergency.target was now going to be
isolated.
8. We recursed back into transaction_apply() where the half-installed
var.mount/stop job confused us.
Recursing from job installation back into the transaction code cannot be
a good idea. Avoid the problem by canceling the conflicting job
non-recursively in job_install(). I don't think we'll miss anything by
not recursing here. After all, we are called from transaction_apply().
We will not be installing just this one job, but all jobs from a
transaction. All requirement dependencies will be included in it and
will be installed separately. Every transaction job will get a chance
to cancel its own conflicting installed job.
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If you enter unit_add_exec_dependencies with m->where = NULL, you'll
very likely end up aborting somewhere under socket_needs_mount.
(When systemd goes to check to see if the journald socket requires your
mount, it'll do path_startswith(path, m->where)... *kaboom*)
This patch should ensure that:
a) both branches in mount_add_one() set m->where, and
b) mount_add_extras() calls unit_add_exec_dependencies() *after*
setting m->where.
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Information which unit a log entry pertains to enables systemctl
status to display more log messages.
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PID of systemd
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If a device unit has aliases defined in udev rules, and there are
other units that depend on that alias, as in
BindTo=sys-subsystem-net-devices-eth0.device
then systemd will fail the start the alias, and any dependent units
will time out. See
https://bugs.freedesktop.org/show_bug.cgi?id=52580
This is because unit_add_name() in device_add_escaped_name() will
return EEXIST.
The solution taken here is to call device_update_unit() on the alias
name. Thus if a unit with the alias name already exists, we reuse it;
otherwise a new unit is created. Creating multiple units for a single
device is perhaps suboptimal, but it's consistent with the treatment
of udev symlinks in device_process_new_device().
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initializing their basic fields
Under some circumstances this could lead to a segfault since we we
half-initialized a mount unit, then tried to hook it into the network of
things and while doing that recursively ended up looking at our
half-initialized mount unit again assuming it was fully initialized.
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This commit checks for a usage line which contains [{|]reload[|}"] (to
not errnously match force-reload).
Heuristics like this suck, but it solves a real problem and there
appears to be no better way...
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The fstab generator adds Before=swap.target by default, and when creating
a custom .swap unit, you can also add Before=swap.target to the unit.
However, it is impossible to not have this ordering dependency right now.
Virtually all existing setups likely use the fstab generator, so this
change is unlikely to break anything.
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systemd.
Running as a user instance won't work at all if systemd isn't running as system
manager, so refuse to start in that case.
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context.
This patch does the dbus calls correctly.
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Use cases:
* iptables.service – atomically reload rules without having to flush
them beforehand (which may leave the system insecure if reload fails)
* rpc-nfsd.service – reexport filesystems after /etc/exports update
without completely stopping and restarting nfsd
(In both cases, the actual service is provided by a kernel module and
does not have any associated user-space processes, thus Type=oneshot.)
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