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1157 Commits

Author SHA1 Message Date
Lennart Poettering
1434ae6fd4 cgroup: there's no point in labelling cgroupfs dirs, so let's not do that
This allows us to get rid of the dep on libsystemd-label for cgroup
management.

https://bugs.freedesktop.org/show_bug.cgi?id=69966
2013-10-02 04:59:05 +02:00
Lennart Poettering
fbd8ebddbe build-sys: mkdir.[ch] should be in libsystemd-shared
Otherwise, why is mkdir-label.[ch] split out?
2013-10-02 04:56:33 +02:00
Lennart Poettering
cd4010b373 build-ss: prepare new release 2013-10-02 03:02:25 +02:00
Kay Sievers
ae05436265 Revert "build-sys: link libsystemd-login with libsystemd-label.la"
Systemd-logind does not pull in cg_create(), if we unconditionally link
this, all users of systemd-logind qill need the label stuff and therefore
link against selinux.

It is probably a build-system issue, or something that need to be sorted
out in a differnt way than linking not needed libs.

This reverts commit ceadabb102.
2013-10-01 00:21:50 +02:00
Michał Górny
ceadabb102 build-sys: link libsystemd-login with libsystemd-label.la
libsystemd-login.la uses cg_create() that currently seems to be a part
of libsystemd-label.la. However, it doesn't link against that library
and it seems that none of the (unconditional) libraries it uses do. In
the end, people end up getting «undefined reference to `cg_create'»
when trying to build e.g. dbus.
2013-10-01 00:02:08 +02:00
Zbigniew Jędrzejewski-Szmek
2b3ab29de4 Move part of logind.c into a separate file
liblogind-core.la was underlinked, missing a few functions
defined in logind.c. They are moved to a new file, logind-core.c,
and this file is linked into liblogind-core.la.
In addition, logind-acl.c is attached to the liblogind-core.la,
instead of systemd-logind directly.
2013-09-26 11:12:04 +02:00
Kay Sievers
c51d84dc09 support acpi firmware performance data (FPDT)
Prefer firmware-provided performance data over loader-exported ones; if
ACPI data is available, always use it, otherwise try to read the loader
data.

The firmware-provided variables start at the time the first EFI image
is executed and end when the operating system exits the boot services;
the (loader) time calculated in systemd-analyze increases.
2013-09-24 15:43:41 +02:00
Dave Reisner
8f6ce71fe7 device-nodes: move device node specific code to own file
In the process, rename udev_encode_string which is poorly named for what
it does. It deals specifically with encoding names that udev creates and
has its own rules: utf8 is valid but some ascii is not (e.g. path
separators), and everything else is simply escaped. Rename it to
encode_devnode_name.
2013-09-19 11:50:34 -04:00
Lennart Poettering
ef5bfcf668 backlight,random-seed: move state files into /var/lib/systemd
Let's not scatter (private) files in /var around, let's place them all
in /var/lib/systemd and below.
2013-09-17 17:28:35 -05:00
David Herrmann
118ecf3242 logind: introduce session-devices
A session-device is a device that is bound to a seat and used by a
session-controller to run the session. This currently includes DRM, fbdev
and evdev devices. A session-device can be created via RequestDevice() on
the dbus API of the session. You can drop it via ReleaseDevice() again.
Once the session is destroyed or you drop control of the session, all
session-devices are automatically destroyed.

Session devices follow the session "active" state. A device can be
active/running or inactive/paused. Whenever a session is not the active
session, no session-device of it can be active. That is, if a session is
not in foreground, all session-devices are paused.
Whenever a session becomes active, all devices are resumed/activated by
logind. If it fails, a device may stay paused.

With every session-device you request, you also get a file-descriptor
back. logind keeps a copy of this fd and uses kernel specific calls to
pause/resume the file-descriptors. For example, a DRM fd is muted
by logind as long as a given session is not active. Hence, the fd of the
application is also muted. Once the session gets active, logind unmutes
the fd and the application will get DRM access again.
This, however, requires kernel support. DRM devices provide DRM-Master for
synchronization, evdev devices have EVIOCREVOKE (pending on
linux-input-ML). fbdev devices do not provide such synchronization methods
(and never will).
Note that for evdev devices, we call EVIOCREVOKE once a session gets
inactive. However, this cannot be undone (the fd is still valid but mostly
unusable). So we reopen a new fd once the session is activated and send it
together with the ResumeDevice() signal.

With this infrastructure in place, compositors can now run without
CAP_SYS_ADMIN (that is, without being root). They use RequestControl() to
acquire a session and listen for devices via udev_monitor. For every
device they want to open, they call RequestDevice() on logind. This
returns a fd which they can use now. They no longer have to open the
devices themselves or call any privileged ioctls. This is all done by
logind.
Session-switches are still bound to VTs. Hence, compositors will get
notified via the usual VT mechanisms and can cleanup their state. Once the
VT switch is acknowledged as usual, logind will get notified via sysfs and
pause the old-session's devices and resume the devices of the new session.

To allow using this infrastructure with systems without VTs, we provide
notification signals. logind sends PauseDevice("force") dbus signals to
the current session controller for every device that it pauses. And it
sends ResumeDevice signals for every device that it resumes. For
seats with VTs this is sent _after_ the VT switch is acknowledged. Because
the compositor already acknowledged that it cleaned-up all devices.
However, for seats without VTs, this is used to notify the active
compositor that the session is about to be deactivated. That is, logind
sends PauseDevice("force") for each active device and then performs the
session-switch. The session-switch changes the "Active" property of the
session which can be monitored by the compositor. The new session is
activated and the ResumeDevice events are sent.

For seats without VTs, this is a forced session-switch. As this is not
backwards-compatible (xserver actually crashes, weston drops the related
devices, ..) we also provide an acknowledged session-switch. Note that
this is never used for sessions with VTs. You use the acknowledged
VT-switch on these seats.

An acknowledged session switch sends PauseDevice("pause") instead of
PauseDevice("force") to the active session. It schedules a short timeout
and waits for the session to acknowledge each of them with
PauseDeviceComplete(). Once all are acknowledged, or the session ran out
of time, a PauseDevice("force") is sent for all remaining active devices
and the session switch is performed.
Note that this is only partially implemented, yet, as we don't allow
multi-session without VTs, yet. A follow up commit will hook it up and
implemented the acknowledgements+timeout.

The implementation is quite simple. We use major/minor exclusively to
identify devices on the bus. On RequestDevice() we retrieve the
udev_device from the major/minor and search for an existing "Device"
object. If no exists, we create it. This guarantees us that we are
notified whenever the device changes seats or is removed.

We create a new SessionDevice object and link it to the related Session
and Device. Session->devices is a hashtable to lookup SessionDevice
objects via major/minor. Device->session_devices is a linked list so we
can release all linked session-devices once a device vanishes.

Now we only have to hook this up in seat_set_active() so we correctly
change device states during session-switches. As mentioned earlier, these
are forced state-changes as VTs are currently used exclusively for
multi-session implementations.

Everything else are hooks to release all session-devices once the
controller changes or a session is closed or removed.
2013-09-17 17:15:30 -05:00
Dave Reisner
02a36bc9a1 move utf8 functions from libudev-private.h to utf8.h
There's now some more obvious overlap amongst the two utf8 validation
functions, but no more than there already was previously.

This also adds some menial tests for anyone who wants to do more
merging of these two in the future.
2013-09-17 16:31:32 -04:00
Lennart Poettering
1731e34a4e tmpfiles: support simple specifier expansion for specified paths 2013-09-17 11:02:54 -05:00
Zbigniew Jędrzejewski-Szmek
f485606bf8 Make tmpdir removal asynchronous
https://bugs.freedesktop.org/show_bug.cgi?id=68232
2013-09-17 10:26:30 -05:00
Zbigniew Jędrzejewski-Szmek
35375afec5 login: fix login_is_valid test 2013-09-16 11:10:55 -05:00
Zbigniew Jędrzejewski-Szmek
4b549144d8 Verify validity of session name when received from outside
Only ASCII letters and digits are allowed.
2013-09-16 09:58:37 -05:00
Zbigniew Jędrzejewski-Szmek
c32fc72f37 Remove duplicate entries from syscall list
ARM syscall list includes SYS_OABI_SYSCALL_BASE and SYS_SYSCALL_BASE
which were obsuring real syscall names.
2013-09-16 09:47:28 -05:00
Lennart Poettering
4f0be680b5 build-sys: prepare 207 2013-09-13 02:12:16 +02:00
Zbigniew Jędrzejewski-Szmek
64eed40c07 bash-completion: add systemd-run 2013-09-12 19:36:27 -04:00
Zbigniew Jędrzejewski-Szmek
5c390a4ae0 Add pam configuration to allow user sessions to work out of the box
systemd-logind will start user@.service. user@.service unit uses
PAM with service name 'systemd-user' to perform account and session
managment tasks. Previously, the name was 'systemd-shared', it is
now changed to 'systemd-user'.

Most PAM installations use one common setup for different callers.
Based on a quick poll, distributions fall into two camps: those that
have system-auth (Redhat, Fedora, CentOS, Arch, Gentoo, Mageia,
Mandriva), and those that have common-auth (Debian, Ubuntu, OpenSUSE).
Distributions that have system-auth have just one configuration file
that contains auth, password, account, and session blocks, and
distributions that have common-auth also have common-session,
common-password, and common-account. It is thus impossible to use one
configuration file which would work for everybody. systemd-user now
refers to system-auth, because it seems that the approach with one
file is more popular and also easier, so let's follow that.
2013-09-11 15:35:06 -04:00
Marcel Holtmann
046d2bd446 build-sys: gpt-auto-generator depends on HAVE_BLKID 2013-09-09 17:35:52 -04:00
Holger Hans Peter Freyther
143bfdaf0b test: Make testing work on systems without or old systemd
* Introduce a macro to conditionally execute tests. This avoids
  skipping the entire test if some parts require systemd
* Skip the journal tests when no /etc/machine-id is present
* Change test-catalog to load the catalog from the source directory
  of systemd.
* /proc/PID/comm got introduced in v2.6.33 but travis is still
  using v2.6.32.
* Enable make check and make distcheck on the travis build
* Use -D"CATALOG_DIR=STR($(abs_top_srcdir)/catalog)" as a STRINGIY
  would result in the path '/home/ich/source/linux' to be expanded
  to '/home/ich/source/1' as linux is defined to 1.
2013-08-22 00:52:14 -04:00
Zbigniew Jędrzejewski-Szmek
f5853dafa1 build-sys: add clean-python target
Building for a different version of Python requires removing all
build products for the old version. There's no nice way to do it,
short of doing 'make clean'. The new 'clean-python' target is a
bit hacky, but seems to work:
  ./configure PYTHON=python2 && make && make install
  make clean-python
  ./configure PYTHON=python3 --disable-gtk-doc --disable-man-pages && make && make install
should install modules for both versions of Python.
2013-08-15 12:59:36 -04:00
William Giokas
298b9e23a6 zsh_completion: Allow specifying multiple arguments
Some of the options in systemd can take multiple arguments, such as
systemctl's --type option. Previously, you would only be able to
complete a single type after the -t, but now zsh will continue to
complete the types, separating them by commas.

systemd-inhibit's --what command has colon (:), and that has been taken
into account.
2013-08-15 11:29:08 -04:00
William Giokas
3e7f60ab32 zsh_completion: Move helper function to autoload
_hosts_or_user_at_host was used by 6 different completions, and
previously was in all 6 of those files. I moved it out to its own file,
_sd_hosts_or_user_at_host. This will be autoloaded for use in other
completion functions. It also allows external completions to use this
function by simply calling _sd_hosts_or_user_at_host as in the systemd
completions.
2013-08-14 22:42:56 -04:00
Lennart Poettering
3731acf1ac backlight: add minimal tool to save/restore screen brightness across reboots
As many laptops don't save/restore screen brightness across reboots,
let's do this in systemd with a minimal tool, that restores the
brightness as early as possible, and saves it as late as possible. This
will cover consoles and graphical logins, but graphical desktops should
do their own per-user stuff probably.

This only touches firmware brightness controls for now.
2013-08-14 01:57:02 +02:00
Lennart Poettering
1a14a53cfd gpt-auto-generator: add basic auto-discovery of GPT partitions
This adds a simple generator that is capable of automatically
discovering certain GPT partitions by their type UUID and mount/enable
them. This currently covers swap partitions and /home partitions, but is
expected to grow more features soon.

This currently doesn't handle LUKS encrypted /home.

This enables all swap partitions of type
0657fd6da4ab43c484e50933c84b4f4f, if found.

This mounts the first partition of type 933ac7e12eb44f13b8440e14e2aef915
as /home, if it is found.
2013-08-13 10:13:45 +02:00
Zbigniew Jędrzejewski-Szmek
692ec7c998 build-sys: link with librt if linking with libsd-daemon-int
In fba1ea0 'build: do not link everything with -lrt (and
therefore -pthread)' librt was removed from the list of
libraries. But libsd-daemon-internal also uses symbols from
librt and librt must thus be added everywhere where
libsd-daemon-interal is used, or otherwise linking might
fail:

/usr/bin/ld: ./.libs/libudev-core.a(sd-daemon.o): undefined reference to symbol 'mq_getattr@@GLIBC_2.3.4'
/usr/bin/ld: note: 'mq_getattr@@GLIBC_2.3.4' is defined in DSO /lib64/librt.so.1 so try adding it to the linker command line
2013-08-03 10:18:21 -04:00
Daniel Wallace
7eb942c408 zsh completion: add _kernel-install 2013-08-03 09:20:12 -04:00
Zbigniew Jędrzejewski-Szmek
d267e69da4 pkg-config: export systemd{system,user}generatordir and catalogdir
We export the location of a bunch of directories this way,
so it makes sense to add those three. Especially catalogdir
is something that we want people to add things to.

Note on the naming: the first two are tied closely to systemd
itself, so I prefixed them with "systemd". The third one is
rather more generic, so no prefix.

https://bugs.freedesktop.org/show_bug.cgi?id=67635
2013-08-03 09:20:12 -04:00
Zbigniew Jędrzejewski-Szmek
3b6c7e78cf tests: add a program for repetitive opening and closing of the journal
Basically wraps an example provided by George McCollister.
Should help with leaks in the future.
2013-08-02 11:25:45 -04:00
Zbigniew Jędrzejewski-Szmek
6c17bf04b9 coredumpctl: add more debug output
It can be quite useful when somebody confuses _PID with COREDUMP_PID :).
2013-08-02 10:49:07 -04:00
William Giokas
1272ff850a zsh_completion: Split out zsh _systemd-tmpfiles
You can choose to have systemd-tmpfiles at configuration time, so only
install the completion for this if configured to do so.
2013-08-02 10:44:14 -04:00
William Giokas
439b7ce868 zsh_completion: Split out zsh _machinectl 2013-08-02 10:44:03 -04:00
William Giokas
7abfbe7903 zsh_completion: Split out zsh _systemd-analyze 2013-08-02 10:43:58 -04:00
William Giokas
67e654f830 zsh_completion: Split out zsh _systemd-inhibit 2013-08-02 10:43:55 -04:00
William Giokas
30fd4d1eb1 zsh_completion: Split out zsh _systemd-nspawn
Also fix the random lack of completion
2013-08-02 10:43:52 -04:00
William Giokas
a06225fcc1 zsh_completion: Split out zsh _udevadm 2013-08-02 10:43:49 -04:00
William Giokas
20c8382ba7 zsh_completion: Split out zsh _timedatectl 2013-08-02 10:43:46 -04:00
William Giokas
70e104c4e3 zsh_completion: Split out zsh _coredumpctl 2013-08-02 10:43:42 -04:00
William Giokas
c4c12f133e zsh_completion: Split out zsh _localectl 2013-08-02 10:43:39 -04:00
William Giokas
7e83c0e03f zsh_completion: Split out zsh _journalctl
Re-ordered some of the options and added a few that were missing
previously as well.
2013-08-02 10:43:35 -04:00
William Giokas
db456cd0c6 zsh_completion: Split out zsh _hostnamectl 2013-08-02 10:43:31 -04:00
William Giokas
799d54be0b zsh_completion: Split out zsh _loginctl 2013-08-02 10:43:27 -04:00
William Giokas
ff7a0685a9 zsh_completion: Split out zsh _systemctl 2013-08-02 10:43:22 -04:00
William Giokas
4f87c47b35 zsh_completion: fix zsh completion installation
Moved zsh shell completion to shell-completion/zsh/_systemd for
automake's sake. Also allow users to specify where the files should go
with::

  ./configure --with-zshcompletiondir=/path/to/some/where

and by default going to `$datadir/zsh/site-functions`
2013-08-02 10:43:08 -04:00
Shawn Landden
fba1ea06bb build: do not link everything with -lrt (and therefore -pthread) 2013-07-30 02:35:36 +02:00
Zbigniew Jędrzejewski-Szmek
a6c0b31d50 build-sys: use pkg-config for python compilation flags
Python 2.7, and 3.2 and higher support querying compilation
flags through pkg-config. This makes python support follow
rules similar to various other optional compilation-time
libraries. New flags are called PYTHON_DEVEL_CFLAGS and
PYTHON_DEVEL_LIBS, because PYTHON (without _DEVEL), is
already used for the python binary name, and things would
be confusing if the same prefix was used for two things.
configure has --disable-python-devel to disable python modules.

One advantage is that CFLAGS for modules gets smaller:
- -I/usr/include/python3.3m -I/usr/include/python3.3m -Wno-unused-result -DDYNAMIC_ANNOTATIONS_ENABLED=1 -DNDEBUG -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv
+ -I/usr/include/python3.3m
as does LIBS:
- -lpthread -ldl -lutil -lm -lpython3.3m
+ -lpython3.3m

Support for Python 2.6 is removed, but can be easily
restored by using
PYTHON_DEVEL_CFLAGS="$(python2.6-config --cflags)",
etc., as ./configure parameters.

https://bugs.freedesktop.org/show_bug.cgi?id=57800
2013-07-26 11:28:15 -04:00
Kay Sievers
39bdfa31f2 shared: split mkdir_*() and mkdir_*_label() from each other
Avoid pulling-in selinux for tools which just create directories
but not need to fix the selinux label.
2013-07-26 04:13:55 +02:00
Kay Sievers
819da59577 shell-completion: add kernel-install 2013-07-26 02:40:09 +02:00
Dave Reisner
41f1a1da57 remove systemd-timestamp from sources
No sense in keeping this around if support for reading RD_TIMESTAMP has
been removed.
2013-07-23 11:41:54 -04:00