Peter Hutterer [Wed, 28 Jan 2015 04:05:01 +0000 (14:05 +1000)]
hwdb: add a touchpad hwdb
Currently used to tag devices in the new Lenovo *50 series and the X1 Carbon
3rd. These laptops re-introduced the physical trackpoint buttons that were
missing from the *40 series but those buttons are now wired up to the
touchpad.
The touchpad now sends BTN_0, BTN_1 and BTN_2 for the trackpoint. The same
button codes were used in older touchpads that had dedicated scroll up/down
buttons. Input drivers need to work around this and thus know what they're
dealing with.
For the previous gen we introduced INPUT_PROP_TOPBUTTONPAD in the kernel, but
the resulting mess showed that these per-device quirks should really live in
userspace.
The list currently includes the X1 Carbon 3rd PNPID, others will be added as
get to know which PNPID they have.
Martin Pitt [Wed, 28 Jan 2015 17:14:01 +0000 (18:14 +0100)]
logind: handle closing sessions over daemon restarts
It may happen that you have several sessions with the same VT:
- Open a session c1 which leaves some processes around, and log out. The
session will stay in State=closing and become Active=no.
- Log back in on the same VT, get a new session "c2" which is State=active and
Active=yes.
When restarting logind after that, the first session that matches the current
VT becomes Active=yes, which will be c1; c2 thus is Active=no and does not get
the usual polkit/device ACL privileges.
Restore the "closing" state in session_load(), to avoid treating all restored
sessions as State=active. In seat_active_vt_changed(), prefer active sessions
over closing ones if more than one session matches the current VT.
Finally, fix the confusing comment in session_load() and explain it a bit
better.
Martin Pitt [Wed, 28 Jan 2015 12:57:47 +0000 (13:57 +0100)]
rules: clean up stale CD drive mounts after ejection
Ejecting a CD with the hardware drive button only causes a change uevent, but
the device node stays around (just without a medium). Pick up these uevents and
mark the device as SYSTEMD_READY=0 on ejection, so that systemd stops the
device unit and consequently all mount units on it.
On media insertion, mark the device as SYSTEMD_READY=1 again.
Martin Pitt [Wed, 28 Jan 2015 12:53:25 +0000 (13:53 +0100)]
core/mount: add dependencies to dynamically mounted mounts too
Add unit dependencies for dynamic (i. e. not from fstab) mounts. With that,
mount units properly bind to their underlying device, and thus get
automatically stopped/unmounted when the underlying device goes away.
This cleans up stale mounts from unplugged devices.
Thanks to Lennart Poettering for pointing out the fix!
core: output unit status output strings to console, only if we actually are changing unit state
Unit _start() and _stop() implementations can fail with -EAGAIN to delay
execution temporarily. Thus, we should not output status messages before
invoking these calls, but after, and only when we know that the
invocation actually made a change.
Martin Pitt [Wed, 28 Jan 2015 07:00:28 +0000 (08:00 +0100)]
sysv-generator: Re-fix .sh suffix handling
Commit 4e48855534 caused the .sh suffix to be stripped from the original
"filename", which caused the generated units to call the wrong init.d script.
Only use the .sh stripped file name for comparing with Provides:, not for
generating the Exec*= lines.
core: if two start jobs for the same swap device node are queued, only dispatch one of them at a time
If two start jobs for two seperate .swap device nodes are queued, which
then turns out to be referring to the same device node, refuse
dispatching more than one of them at the same time.
This should solve an issue when the same swap partition is found via GPT
auto-discovery and via /etc/fstab, where one uses a symlink path, and
the other the raw devce node. So far we might have ended up invoking
mkswap on the same node at the very same time with the two device node
names.
With this change only one mkswap should be executed at a time. THis
mkswap should have immediate effect on the other swap unit, due to the
state in /proc/swaps changing, and thus suppressing actual invocation of
the second mkswap.
Christian Seiler [Tue, 27 Jan 2015 17:58:40 +0000 (18:58 +0100)]
logind: chown+chmod /run/user/$UID if mount(tmpfs) fails with EPERM
In containers without CAP_SYS_ADMIN, it is not possible to mount tmpfs
(or any filesystem for that matter) on top of /run/user/$UID.
Previously, logind just failed in such a situation.
Now, logind will resort to chown+chmod of the directory instead. This
allows logind still to work in those environments, although without the
guarantees it provides (i.e. users not being able to DOS /run or other
users' /run/user/$UID space) when CAP_SYS_ADMIN is available.
Christian Seiler [Fri, 23 Jan 2015 14:26:18 +0000 (15:26 +0100)]
logind: remove per-user runtime dir again if setup fails
If setup of per-user runtime dir fails, clean up afterwards by removing
the directory before returning from the function, so we don't leave the
directory behind.
If this is not done, the second time the user logs in logind would
assume that the directory is already set up, even though it isn't.
Patrik Flykt [Tue, 20 Jan 2015 17:36:04 +0000 (19:36 +0200)]
networkd-dhcp6: Assign DHCPv6 addresses and prefix lengths
Once IPv6 addresses have been acquired, assign these to the interface
with the prefix lengths taken from the ICMPv6 Router Advertisement
handling code. The preferred and valid IPv6 address lifetimes are
handed to the kernel which will clean up them if not renewed in time.
When a prefix announced via Router Advertisements expires, find all
addresses that match that prefix and update the address to have a
prefix length of 128 causing the prefix to be off-link.
Patrik Flykt [Tue, 20 Jan 2015 17:36:01 +0000 (19:36 +0200)]
sd-icmp6-nd: Parse ICMPv6 prefix information
Save each new onlink IPv6 prefix and attach an expiry timer to it.
If the prefixes overlap, take the shorter prefix and write a debug
message about the event. Once the prefix is resent in a Router
Advertisement, update the timer. Add a new event for the expiring
prefix.
Add two helper functions, one for returning a prefix length given a
Router Advertisement and the other for generic prefix matching given
an IPv6 prefix and address.
Patrik Flykt [Tue, 20 Jan 2015 17:35:57 +0000 (19:35 +0200)]
sd-icmp6-nd: Update Router Advertisement handling
As the IPv6 prefixes are needed, update the ICMPv6 Router Advertisement
code to dynamically allocate a suitably sized buffer. Iterate through
the ICMPv6 options one by one returning error if the option length is
too big to fit the buffer.
Revise the address iteration functions so that one helper function
resets the iterator to the start of the address list while the
second one fetches addresses one by one.
We should prefer the unifont.hex file from the system, instead of our
own. Upstream has made a few releases since our version was included,
and we should follow upstream changes. But adding 2.6MB to our source
repo every time upstream releases is not nice.
Note that it generally is not safe to use RLIMIT_NPROC, since it breaks
running the same daemon in multiple containers if they do not use user
namespacing. However, timesyncd is excepted from running in a container
anyway, hence it is safe in this case.
system-update-generator: accept a dangling symlink
The offline update mechanism is explicitly designed to work with a
separate /var. systemd-update-generator is supposed to run early,
before filesystems are mounted, so it cannot check if the
/system-update symlink actually points to anything.
The update is run *after* filesystems are mounted, so it should be
able to access the target of the symlink without trouble.
sd-bus: change serialization of kdbus messages to qualify in their entirety as gvariant objects
Previously, we only minimally altered the dbus1 framing for kdbus, and
while the header and its fields where compliant Gvariant objects, and so
was the body, the entire message together was not.
As result of discussions with Ryan Lortie this is now changed, so that
the messages in there entirely are fully compliant GVariants. This
follows the framing description described here:
Note that this change changes the framing of *all* messages sent via
kdbus, this means you have to reboot your kdbus system, after compiling
and installing this new version.
tmpfiles: use casts instead of warning suppression
This warning got its own name only in gcc5, so the suppression does
not work in gcc4, and generates a warning of its own. Use a cast,
which is ugly too, but less so.
Tom Gundersen [Mon, 26 Jan 2015 12:33:00 +0000 (13:33 +0100)]
udev: event - move renaming of udev_device to libudev
This is not exposed in the public API. We want to simplify the internal libudev-device API as much as possible
so that it will be simpler to rip the whole thing out in the future.
tmpfiles: do not bump access times of directories we are cleaning up
Both plain opendir() and glob() will bump access time. Privileged
option O_NOATIME can be used to prevent the access time from being
updated. We already used it for subdirectories of the directories
which we were cleaning up. But for the directories specified directly
in the config files, we wouldn't do that. This means that,
paradoxically, our own temporary directories for PrivateTmp would stay
around forever, as long as one let systemd-tmpfiles-clean.service run
regularly, because they had their own glob patterns specified.
systemd-tmpfiles can be used by users, but it can be quite hard to
figure out the logic it follows, especially since the logic is in some
places rather torturous. Hopefuly this will make it easier for users
to understand what is happening.
Current systemd requires kernel >= 3.7 per the README file
but CONFIG_USB_DEVICEFS disappeared from the kernel in
upstream commit fb28d58b72aa9215b26f1d5478462af394a4d253
(kernel 3.5-rc1)
resolved: when rereading /etc/resolv.conf, always start using first DNS server again
Previously we tried to stick to a DNS server as long as it is available.
When /etc/resolv.conf changed, and the old DNS server we used was still
in there we'd continue to use it, even if it was at the end of the list.
With this change we'll now always start with the first DNS server in the
list again.
Rationale: certain network managing implementations (notably
NetworkManager) when connected to a VPN place both the VPN DNS server as
well as the local DNS server in /etc/resolv.conf. If we used the local
one before we would thus continue to use the local one, making VPN names
unresolvable. NetworkManager really should be fixed to only place the
VPN DNS servers in the file, but with this commit things are at least
similarly bad as they used to be...
Sangjung Woo [Fri, 23 Jan 2015 11:21:57 +0000 (20:21 +0900)]
systemctl: bugfix for systemctl reboot command with argument
According to systemctl man page, 'systemctl reboot [arg]' should work
without any errors. However, it does not work because of 'Invalid number
of arguments' error, except for 'reboot [arg]'. This patch fixes the bug
so that both of commands work in exactly the same way.
core,shutdown: don't bother with unmounting any mounts below /sys, /proc, /dev when shutting down
After all, mounts below these directories are pretty much guaranteed to
be virtual, and it's hence unnecessary to unmount them during shutdown.
Moreover, in less-priviliged containers we might lack the rights to
unmount them, hence don't even try.