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Not that all functionality has been ported over to logind, the old
implementation can be removed. There goes one of the oldest parts of
the systemd code base.
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Drop the code which communicates with shutdownd via its private socket,
and use the functionality in logind instead.
The code pathes which talk to logind have to create their own ad-hoc
bus connection because by default, systemctl connects to systemd's
private socket.
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Port over more code from shutdownd and teach logind to write /run/nologin at
least 5 minutes before the system is going down, and
/run/systemd/shutdown/scheduled when a shutdown is scheduled.
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Add a timer to print UTMP wall messages so that it repeatedly informs users
about a scheduled shutdown:
* every 1 minute with less than 10 minutes to go
* every 15 minutes with less than 60 minutes to go
* every 30 minutes with less than 180 minutes (3 hours) to go
* every 60 minutes if more than that to go
This functionality only active if the .EnableWallMessages DBus property
is set to true. Also, a custom string can be added to the wall message,
set through the WallMessagePrefix property.
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Instead of looking up the tty from STDIN, let utmp_wall() take an argument
to specify an origin tty for the wall message. Only if that argument is
NULL do the STDIN lookup.
Also add an void *userdata argument that is handed back to the callback
function.
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Add a method called ScheduleShutdown in org.freedesktop.login1.Manager
which adds a timer to shut down the system at a later point in time.
The first argument holds the type of the schedule that is about to
happen, and must be one of 'reboot', 'halt' or 'poweroff'.
The second argument specifies the absolute time, based on
CLOCK_REALTIME in nanoseconds, at which the the operation should be
executed.
To cancel a previously scheduled shutdown, the CancelScheduledShutdown()
can be called, which returns a bool, indicating whether a scheduled
timeout was cancelled.
Also add a new property called ScheduledShutdown which returns the
equivalent to what was passed in via ScheduleShutdown, as '(st)' type.
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Factor out the code to ask polkit for authorization from
method_do_shutdown_or_sleep() into an own function called
verify_shutdown_creds().
This is needed in order to also use the same checks when shutdown
operations are scheduled. For that, it's also necessary to allow
NULL values for that action{,_multiple_sessions,_ignore_inhibit)
arguments, which will suppress the call if no action string is
passed.
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make manager_gc(), manager_startup(), manager_new(), manager_free()
and manager_run() static, and kill their forward declarations.
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Instead of open-coding the delayed action and inhibit timeout logic,
switch over to a real sd_event_source based implementation.
This is not only easier to read but also allows us to add more timers
in the future.
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http://lists.freedesktop.org/archives/systemd-devel/2015-April/031187.html
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It's better to continue as good as we can, than to totally fail. Hence,
let's log about the failure and continue.
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Let's make sure that we don't enqueue triggering jobs for units before
those units are actually fully loaded.
http://lists.freedesktop.org/archives/systemd-devel/2015-April/031176.html
https://bugs.freedesktop.org/show_bug.cgi?id=88401
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Fixes:
CC src/core/libsystemd_core_la-device.lo
src/core/device.c: In function 'device_serialize':
src/core/device.c:169:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^
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This reverts commit 6e392c9c45643d106673c6643ac8bf4e65da13c1.
We really shouldn't invent external state keeping hashmaps, if we can
keep this state in the units themselves.
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This reworks how we enter tentative state and does so only when a device
was previously not announced via udev. The previous check actually just
checked whether a new state bit was set, which is not correct.
Also, to be able to reliably maintain the tentative state across daemon
reloads, we need to serialize and deserialize it.
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<audit-1400> is replaced by AVC, etc.
A fallback mechanism is provided for unlisted event types.
Occasionally new types are added to the kernel, but not too often.
Add a simple "test", which simply prints the mapping.
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This reverts b67f944. Lazy loading of device properties does not work for devices
that are received over netlink, as these are sealed. Reinstate the unconditional
loading of the device db.
Reported by: Mantas Mikulėnas <grawity@gmail.com>.
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The old tags are read from the db when deciding which tags to clear,
make sure we don't write out the new db before the old one has been
read.
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If the underlying device has not read in the properties yet, the generation will be 0, so
make sure we trigger the reading at least once.
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This is useful to print wall messages from logind with the right client
tty. (to be added in a later patch)
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Also, don't consider this an loggable event, so that code that tries to
read creds from a direct connection, doesn't generate logs.
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As reported my Maciej Wereski:
http://lists.freedesktop.org/archives/systemd-devel/2015-February/028320.html
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http://lists.freedesktop.org/archives/systemd-devel/2015-April/031094.html
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direct connection
It's never a good idea, let's just not do it, not even on dierct
connections.
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test for mount points
It's a very recent kernel addition, but certainly makes sense to
support.
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When parsing a unit with a trailing slash after an escaped line break, like
ExecStart=/bin/echo 'foo \
bar'
the split() function (through config_parse()) asserted and crashed pid 1:
Assertion 'current[*l + 1] == quotechars[0]' failed at ../src/shared/util.c:583, function split(). Aborting.
Fix this by returning an error in this case ("trailing garbage").
Add corresponding test case. Also fix the missing "unit" argument of
config_parse_exec() in the comment.
https://launchpad.net/bugs/1447243
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So far we authenticate direct connections primarily at connection time,
but let's also do this for each method individually, by attaching the
creds we need for that right away.
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- fix some memory leaks on error conditions
- handle all error cases properly, and log about failures
- move HAVE_ACL and no-HAVE_ACL code closer to each other
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When running udevadm settle --timeout=0, the ping always times out, and
udevadm will return 0 without checking the queue state.
(David: Use a reasonable timeout to still get the barrier provided by
ctrl-ping)
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We should try to execute them in the same order they appear in the
configuration files, as it is documented. Hence move to an ordered
hashmap.
(Note though, that this still doesn't execute them completely in order:
we will still apply non-glob lines before glob-lines, and reorder lines
prefixing each other and that apply to the same paths).
http://lists.freedesktop.org/archives/systemd-devel/2015-March/029055.html
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When deleting a read-only subsvolume with a sub-subvolume, we need to
mark it writable first, otherwise the removal will not work.
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When --ephemeral is used there's no need to keep the image read-only, so
let's not do that then.
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When creating recursive read-only snapshots we need to mark the snapshot
writable immediately before creating subsnapshots within it, otherwise
the operation for it will fail.
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The module is currently no auto-loadable (and this is unlikely to change
anytime soon, given it's API is via getsockopt/setsockopt). It is needed
by networkd and nspawn currently.
Users who really don't like the module to be loaded have the option to
blacklist it still, or not compile it at all. But for all others this
should make things work out-of-the-box.
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This way users have the freedom to set or unset the FS_NOCOW_FL flag on
their journal files by setting it on the journal directory. Since our
default tmpfiles configuration now sets this flag on the directory the
flag is set by default on new files, however people can opt-out of this
by masking the tmpfiles file for it.
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If we get passed an fd that does not refer to a regular file or
directory, we should not issue btrfs ioctls on it, since it might end up
in a device driver or similar (note that DRM for example uses the same
ioctl numbers as some file system ioctls).
Hence, let's make sure to always check if something is a regular file or
directory, or is on btrfs before invoking the respective ioctls. It's
better to be safe than sorry.
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Let's unify the code that checks whether an fd is on btrfs a bit.
(Also, rename btrfs_is_snapshot() to btrfs_is_subvol(), since that's
usually how this is referred to in our code)
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attributes
Before invoking file system ioctls we need to make sure that the
specified fd actually refers to a file system object, and not a device
node or similar. Otherwise we might by accident invoke unrelated device
driver ioctls. For example, DRM ioctls use the same ioctl numbers as the
various file system ioctls.
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This should make the Linux vfat handling less fragile, by unmounting
the idle mount and causing to sync the entire file system to disk.
On my machines, The FAT file system at /boot regularly gets corrupted
with unclean shutdowns, rendering the machines unbootable. Either the
VFS write-back behaviour or the vfat driver itself is just not reliable
enough to be/stay mounted at every bootup.
Because of that, the automount expiry was on top of my personal
wish list. Thanks a lot Michael!
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kdbus has been passing us the ppid file for a while, actually make use
of it.
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The original idea of systemd.pc was to contain arch-independent system
and systemd information. By exposing libdir as part of the fields (added
in eb39a6239c631873db62f6a942e6cb3dab0a2db4), it started to carry
arch-dependent data, thus breaking multilib systems. It was then moved
to pkgconfiglibdir to deal with this (in
aec432c6134146e138124c4130be2ee89dca07fa), but actually the right
approach is to simply not include libdir in the .pc file at all.
THis patch hence more or less reverts both commits again, and moves the
.pc file back into pkgconfigdatadir.
As alternative for querying the systems primary libdir there's now
"systemd-path system-library-arch", hence a more correct alternative
exists for querying this variable from the .pc file.
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