Yu Watanabe [Wed, 28 Jun 2017 18:19:38 +0000 (03:19 +0900)]
systemd-mount: support unmounting loop devices by backing files (#6211)
This makes `systemd-umount` or `systemd-mount -u` support unmounting
loop devices by the corresponding backing files, like
`systemd-mount --umount /tmp/foo.img /tmp/bar.img`
Only drop the capabilities from the bounding set if we are running as PID1 (#6204)
The CapabilityBoundingSet option only makes sense if we are running as
PID1.
The system.conf.d(5) manpage, already states that the CapabilityBoundingSet
option:
Controls which capabilities to include in the capability bounding set
for PID 1 and its children.
udev: never ask libblkid for detecting superblocks with bad checksums (#6215)
Previously, we'd ask liblkid to also tell us about recognized
superblocks with bad checksums. We'd then log about them and ignore
them. This however created ambuigity problems, see #6110: the
BLKID_SUBLKS_BADCSUM is not as innocent as it appears.
This patch drops bad checksum handling and we ignore all such superblocks
entirely again, as it was the status quo ante d47f6ca5f9b7a0b400d8bdb050151a0284fb4bdb (where this was snuck in).
Ideally, libblkid would be changed to avoid this ambiguity problems for
bad checksums, but that's not going to happen any time soon, according
to @karelzak.
nspawn: register a scope for the unit if --register=no is specified (#6166)
Previously, only when --register=yes was set (the default) the invoked
container would get its own scope, created by machined on behalf of
nspawn. With this change if --register=no is set nspawn will still get
its own scope (which is a good thing, so that --slice= and --property=
take effect), but this is not done through machined but by registering a
scope unit directly in PID 1.
Summary:
--register=yes → allocate a new scope through machined (the default)
--register=yes --keep-unit → use the unit we are already running in an register with machined
--register=no → allocate a new scope directly, but no machined
--register=no --keep-unit → do not allocate nor register anything
resolved: do not allocate packets with minimum size
dns_packet_new() is sometimes called with mtu == 0, and in that case we should
allocate more than the absolute minimum (which is the dns packet header size),
otherwise we have to resize immediately again after appending the first data to
the packet.
Kai Krakow [Sat, 13 May 2017 10:30:56 +0000 (12:30 +0200)]
resolved: Recover from slow DNS responses
When DNS is unreliable temporarily, the current implementation will
never improve resend behavior again and switch DNS servers only late
(current maximum timeout is 5 seconds).
We can improve this by biasing the resend_timeout back to the current
RTT when a successful response was received. Next time, a timeout is hit
on this server, it will switch to the next server faster.
logind: relax udev rules matching devices logind watches for
Now that we have support for key/switch masking in logind, we can relax
the rules by which logind picks the devices to watch a bit, after all we
won't wake up anymore for every single event, but instead only the
events we actually care about.
This should make power/suspend keys on normal usb/atkbd keyboards just
work.
Michal Suchanek [Mon, 12 Jun 2017 12:09:55 +0000 (14:09 +0200)]
input_id: fix detection of devices with mouse buttons
Assign ID_INPUT_MOUSE property to devices with mouse buttons and no axis.
Libinput tries to use libwacom on devices with tablet-pad capability
which are detected by ID_INPUT_TABLET_PAD=1 property so assign pointer
class by setting ID_INPUT_MOUSE=1 to devices with mouse buttons and let
libwacom override the class for Wacom pads.
Franck Bui [Mon, 26 Jun 2017 13:23:35 +0000 (15:23 +0200)]
gpt-auto-generator: disable gpt auto logic for swaps if at least one is defined in fstab
If a swap partition is created on a disk using GPT then the unit generated by
the gpt-generator can shadow the one generated by the fstab-generator.
This can be an issue if the fstab entry for the swap has options since they are
simply ignored if PID1 decides to use the unit created by the gpt-generator
since this unit carries no information about the swap options.
This patch simply disables the GPT auto logic for swaps if at least one entry
for swap is defined in /etc/fstab.
udev: fix some incorrect usages of CLOCK_BOOTTIME (#6198)
CLOCK_BOOTTIME should only be used if we actually want the clock to
count on while we are suspended, and it is hence not useful for normal
code execution time limits, fix that.
Moreover, a couple of uses were even more broken, as
clock_bottime_or_monotonic() was called where actually
now(clock_boottime_or_monotic()) was supposed to be called. Ouch!
Yu Watanabe [Mon, 26 Jun 2017 20:07:07 +0000 (05:07 +0900)]
systemd-mount: support device names and multiple arguments for umount (#6096)
This makes systemd-umount (or systemd-mount -u) supports multiple arguments
which can be path, device, or fstab style node name, like
`systemd-umount /path/to/umount /dev/sda1 UUID=xxxxxx-xxxx LABEL=xxxxx`.
We shouldn't assume the final path for the settings file is already
known, it unlikely is unless we already downloaded the image once. Also
add some commenting to explain the code surrounding the assert a bit.
sd-bus: use GetConnectionCredentials() when querying credentials, if available
Newer D-Bus versions implement the GetConnectionCredentials() driver
call to get all connection creds in one go. Make use of that to reduce
the number of bus calls we do.
When only a single credential field is queried we will still use the old
calls, which we'll also use if the new call isn't implemented.
sd-bus: when credentials of the "org.freedesktop.DBus" service are queried return the bus owner's credentials
The bus driver service is always implemented by the owner of the bus,
hence let's shortcut the credential operation and use our cached data.
This makes sure things simply work, given that dbus itself doesn't
support GetConnectionSELinuxSecurityContext() on the bus driver name
itself.
core: make IOSchedulingClass= and IOSchedulingPriority= settable for transient units
This patch is a bit more complex thant I hoped. In particular the single
IOScheduling= property exposed on the bus is split up into
IOSchedulingClass= and IOSchedulingPriority= (though compat is
retained). Otherwise the asymmetry between setting props and getting
them is a bit too nasty.
core: permit FDSTORE=1 messages with non-pollable fds
This also alters the documentation to recommend memfds rather than /run
for serializing state across reboots. That's because /run doesn't
actually have the same lifecycle as the fd store, as it is cleared out
on restarts.
If wanted, the linker can be set with LDFLAGS (LDFLAGS=-Wl,-fuse-ld=gold meson ...),
and setting it internally was interfering with that. It seems that both gold and
bfd work very well and quick, and the reasons we had to prefer gold are not relevant
anymore.
When the joystick is integrated directly into the machine, knowing
that the device is internal allows us to disable attached functionality
when the device is not used or inaccessible.
For example, this allows disabling rumble and accelerometer on
flip-console-like devices like the GPD-XD.
core: allow specifiers to be resolved in Environment= passed over dbus (#6144)
When specifiers are included in the Environment block in StartTransientUnit,
we resolve specifiers on the PID1 side. Nevertheless we store the unresolved
version in the transient unit file, so that it'll be resolved when loading
the unit. I think this looks nicer.
I also removed the writing of the merged Environment block to the transient
file. Afaict, this resulted in variables being written multiple times, but
this needs to be tested properly.
Susant Sahani [Sun, 25 Jun 2017 22:42:57 +0000 (22:42 +0000)]
systemd-link: add support to configure the device port (#6153)
This work allows to configure device port:
tp — An Ethernet interface using Twisted-Pair cable as the medium.
aui — Attachment Unit Interface (AUI). Normally used with hubs.
bnc — An Ethernet interface using BNC connectors and co-axial cable.
mii — An Ethernet interface using a Media Independent Interface (MII).
fibre — An Ethernet interface using Optical Fibre as the medium.
manager: just warn about an invalid environment entry
Apart from bugs (as in #6152), this can happen if we ever make
our requirements for environment entries more stringent. As with
the rest of deserialization, we should just warn and continue.
loopback-setup: also add IP addresses to loopback devices
This changes loopback setup to not only start the loopback device but
also add the relevant IP addresses to it. This way, we can synchronously
wait until that's complete, and properly guarantee that loopback setup
is complete at the time we start our first processes.
nspawn: make sure to send SIGTERM/SIGHUP to the main nspawn process if stubinit receives SIGRTMIN+3 (#6167)
This code already existed in some form, however commented. Remove the
comments, as this was most likely simply a forgotten commenting for
debugging purposes.
This also extends the logic a bit, by sending SIGHUP right after the
SIGTERM, so that shells will also terminate, when PID 1 gets a
SIGRTMIN+3.
Michael Biebl [Fri, 23 Jun 2017 01:23:30 +0000 (03:23 +0200)]
meson: install manual and unsafe tests (#6178)
Always install all tests if install-tests is set to true, as they might
be useful for CI. This includes manual and unsafe tests. Install those
in subdirectories of /usr/lib/systemd/tests.
Michal Sekletar [Fri, 23 Jun 2017 00:29:15 +0000 (02:29 +0200)]
core: unset sysfs path after transition to dead state (#6174)
Device is gone and most likely it will get garbage collected. However in
cases when it doesn't get gc'ed (because it is referenced by some
other unit, e.g. mount from fstab) we need to unset sysfs. This is
because when device appears next time, possibly, with different sysfs
path we need to update the sysfs path. Current code could end up caching
stale sysfs path forever.
In reality this is not a problem for normal disks (unless you swap them
during system runtime). However this issue causes failures to mount
filesystems on LVM where sysfs path depends on activation
order (i.e. logical volumes from volume group that is activated first
get assigned lower dm-X numbers and corresponding syspaths).
Michal Koutný [Fri, 23 Jun 2017 00:26:04 +0000 (02:26 +0200)]
core: dbus: Interpret released names properly (#6175)
When a DBus name is released, NameOwnerChanged signal contains an empty string
as new_owner. Commit bbc2908 changed interpretation of the empty string to a
valid name, which is not consistent with values that are sent by dbus-daemon.
As a side effect, this masks symptoms of systemd-logind dbus disconnections
(#2925) by completely restarting it so it can freshly reconnect to dbus.
timer: make sure we use the right monotonic timestamp
This reworks timer_enter_waiting() in a couple of ways in order to clean
it up a bit and fix #5629.
Most importantly, we previously we initialized ts_monotonic to either
the current time in CLOCK_MONOTONIC or in CLOCK_BOOTTIME, depending on
t->wake_system. Then given specific conditions we'd use this time as
base for our timers. And afterwards, if t->wake_system was on we'd
convetr the resulting value from CLOCK_MONOTONIC to CLOCK_BOOTTIME again
— which of course is wrong since we already were in CLOCK_BOOTTIME! This
fixes this logic, by using a triple timestamp so that we always have the
right base around, and initially only calculate in CLOCK_MONOTONIC and
only convert as last step.
Conversion between the clocks is now done with the generic
usec_shift_clock(), and additions via usec_add() making these
calculations a bit safer.