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2014-03-24sd-event: rework API to support CLOCK_REALTIME_ALARM and ↵Lennart Poettering
CLOCK_BOOTTIME_ALARM, too
2014-03-18util: replace close_nointr_nofail() by a more useful safe_close()Lennart Poettering
safe_close() automatically becomes a NOP when a negative fd is passed, and returns -1 unconditionally. This makes it easy to write lines like this: fd = safe_close(fd); Which will close an fd if it is open, and reset the fd variable correctly. By making use of this new scheme we can drop a > 200 lines of code that was required to test for non-negative fds or to reset the closed fd variable afterwards.
2014-03-17build-sys: move sd-login src/login → src/libsystemd/sd-loginLennart Poettering
After all, it is ultimately linked to libsystems.so anyway, thus belongs there and shares very little with the rest of logind, hence let's move this away.
2014-03-17sd-login: add calls that retrieve credentials of peers connected to AF_UNIX ↵Lennart Poettering
peers This is supposed to be an extension of SO_PEERCRED and SO_PEERSEC, except for cgroup information.
2014-03-14logind: automatically remove SysV + POSIX IPC objects when the users owning ↵Lennart Poettering
them fully log out
2014-03-12sd-login: add sd_machine_get_class() callLennart Poettering
2014-03-11logind: move lid switch handling from logind-main to logind-coreKay Sievers
../src/login/logind-dbus.c:1352: error: undefined reference to 'manager_set_lid_switch_ignore' collect2: error: ld returned 1 exit status make[2]: *** [test-login-tables]
2014-03-11bus: replace sd_bus_label_{escape,unescape}() by new ↵Lennart Poettering
sd_bus_path_{encode,decode}() The new calls work similarly, but enforce a that a common, fixed bus path prefix is used. This follows discussions with Simon McVittie on IRC that it should be a good idea to make sure that people don't use the escaping applied here too wildly as anything other than the last label of a bus path.
2014-03-11logind: Do not fail display count if a device has no parentMantas Mikulėnas
udev_device_get_parent() may return NULL when the device doesn't have a parent, as is the case with (for example) /sys/devices/virtual/drm/ttm. Also, log an actual error message instead of "-12 displays connected".
2014-03-11logind: add a debug message in case the session already existsDjalal Harouni
If the session already exists then the only way to log it is to set the debug option of pam_systemd. There are no debug messages in the login service that permits to log if the session already exists. So just add it, and while we are it add the "uid" field to the debug message that indicates that the session was created.
2014-03-10logind: fix policykit checksZbigniew Jędrzejewski-Szmek
2014-03-07Make tables for DEFINE_STRING_TABLE_LOOKUP consistentDaniel Mack
Bring some arrays that are used for DEFINE_STRING_TABLE_LOOKUP() in the same order than the enums they reference. Also, pass the corresponding _MAX value to the array initalizer where appropriate.
2014-03-06logind: fix reference to systemd-user-sessions.serviceLennart Poettering
2014-03-04logind: make $XDG_RUNTIME_DIR a per-user tmpfsLennart Poettering
This way each user allocates from his own pool, with its own size limit. This puts the size limit by default to 10% of the physical RAM size but makes it configurable in logind.conf.
2014-03-04Introduce strv_consume which takes ownershipZbigniew Jędrzejewski-Szmek
This mirrors set_consume and makes the common use a bit nicer.
2014-03-04logind: small simplificationsZbigniew Jędrzejewski-Szmek
2014-03-03logind: ignore lid switch events for 30s after each suspend and 3min after ↵Lennart Poettering
startup This is needed to give USB docking stations and suchlike time to settle, so that a display connected to an USB docking station can actually act as a lid swith inhibitor correctly. With this change we should have somewhat reliable docking station support in place.
2014-03-03logind: fix printf formatLennart Poettering
2014-03-03logind: ignore lid switch if more than 1 display is connectedLennart Poettering
Previously we expected the desktop environment to take an inhibitor lock, but this opened a race on boot-up where logind might already be running but no DE is active. Hence, let's move checking for additional displays into logind. This also opens up this logic for other DEs, given that only GNOME implemented the inhibitor logic so far.
2014-02-25login: Allow calling org.freedesktop.login1.Seat.SwitchToJasper St. Pierre
2014-02-25login: set pos-slot to fallback on pos-evictionDavid Herrmann
If we evict a session position, we open the position slot for future sessions. However, there might already be another session on the same position if both were started on the same VT. This is currently done if gdm spawns the session on its own Xserver. Hence, look for such a session on pos-eviction and claim the new slot immediately.
2014-02-25login: fix pos-array allocationDavid Herrmann
GREEDY_REALLOC takes a pointer to the real size, not the array-width as argument. Therefore, our array is currently way to small to keep the seat positions. Introduce GREEDY_REALLOC0_T() as typed version of GREEDY_REALLOC and store the array-width instead of array-size.
2014-02-24Remove dead lines in various placesZbigniew Jędrzejewski-Szmek
As pointed-out by clang -Wunreachable-code. No behaviour changes.
2014-02-24logind: detect whether the system is docked, and if it is inhibit lid switch ↵Lennart Poettering
processing This should make operation nicer with docking stations, but will not cover anything that does not implement SW_DOCK.
2014-02-21logind: when we wake up from suspend and the lid is still closed, go to ↵Lennart Poettering
sleep immediately again This is quite useful on laptops such as the Lenovo Yoga, where the power button is placed on the front side of the laptop and can be pressed by accident even if the lid is closed. This reworks a bit of the logind logic to repeatedly try to suspend the system as long as a lid is closed. We use the new "post" event source for this, so that we don't keep things busy. This also adds some code to check the lid status on boot, so that a powered-off machine that is accidentaly powered on goes into suspend immediately. Yay! From now on I can put my Yoga safely in my backpack without fearing that it might turn itself on and drain the battery.
2014-02-21logind-session: Fix invalid free in the error caseJasper St. Pierre
utf8 needs to be initialized to NULL for the free for the early return, otherwise we try to free invalid data.
2014-02-20api: in constructor function calls, always put the returned object pointer ↵Lennart Poettering
first (or second) Previously the returned object of constructor functions where sometimes returned as last, sometimes as first and sometimes as second parameter. Let's clean this up a bit. Here are the new rules: 1. The object the new object is derived from is put first, if there is any 2. The object we are creating will be returned in the next arguments 3. This is followed by any additional arguments Rationale: For functions that operate on an object we always put that object first. Constructors should probably not be too different in this regard. Also, if the additional parameters might want to use varargs which suggests to put them last. Note that this new scheme only applies to constructor functions, not to all other functions. We do give a lot of freedom for those. Note that this commit only changes the order of the new functions we added, for old ones we accept the wrong order and leave it like that.
2014-02-19make gcc shut upLennart Poettering
If -flto is used then gcc will generate a lot more warnings than before, among them a number of use-without-initialization warnings. Most of them without are false positives, but let's make them go away, because it doesn't really matter.
2014-02-19logind: remove redundant check in manager_new()Maciej Wereski
2014-02-17logind: close race on session state during loginsDjalal Harouni
At login there is a small race window where session_get_state() will return SESSION_ACTIVE instead of SESSION_OPENING. This must be fixed since during that time there are calls to session_save() to save session states and we want to write the correct state. When we queue the start scope and service jobs, we wait for both of them to finish before calling and continue processing in: "session_jobs_reply() => session_send_create_reply()" to create the session fifo and notify clients. However, in the match_job_removed() D-Bus signal, we may hit situations where the scope job has successfully finished and we are still waiting for the user service job to finish. During that time the "session->scope_job" will be freed and set to NULL, this makes session_get_state() return SESSION_ACTIVE before it is really active, it should return SESSION_OPENING since we are still waiting for the service job to finish in order to create the session fifo. To fix this, we also check if the session fifo fd was created, if so then the session has entered the SESSION_ACTIVE state, if not then it is still in the SESSION_OPENING state and it is waiting for the scope and service jobs to finish.
2014-02-13logind: make sure to terminate systemd user on logoutsDjalal Harouni
Currently if the user logs out, the GC may never call user_stop(), this will not terminate the systemd user and (sd-pam) of that user. To fix this, remove the USER_CLOSING state check that is blocking the GC from calling user_stop(). Since if user_check_gc() returns false this means that all the sessions of the user were removed which will make user_get_state() return USER_CLOSING. Conclusion: that test will never be statisfied. So we remove the USER_CLOSING check and replace it with a check inside user_stop() this way we know that user_stop() has already queued stop jobs, no need to redo. This ensures that the GC will get its two steps correctly as pointed out by Lennart: http://lists.freedesktop.org/archives/systemd-devel/2014-February/016825.html Note: this also fixes another bug that prevents creating the user private dbus socket which will break communications with the user manager.
2014-02-11logind: ignore PropertiesChanged signals for jobsZbigniew Jędrzejewski-Szmek
Otherwise we get a (harmless) message like: systemd-logind[30845]: Failed to process message [type=signal sender=:1.36 path=/org/freedesktop/systemd1/job/4674 interface=org.freedesktop.DBus.Properties member=PropertiesChanged signature=sa{sv}as]: Invalid argument
2014-02-11logind: always kill session when termination is requestedZbigniew Jędrzejewski-Szmek
KillUserProcesses=yes/no should be ignored when termination is explicitly requested.
2014-02-11logind: use session_get_state() to get sessions state of the userDjalal Harouni
In function user_get_state() remove the session_is_active() check, just count on the session_get_state() function to get the correct session state. session_is_active() may return true before starting the session scope and user service, this means it will return true even before the creation of the session fifo_fd which will produce incorrect states. So be consistent and just use session_get_state().
2014-02-11machined: optionally, allow registration of pre-existing units (scopesLennart Poettering
or services) as machine with machined
2014-02-10pam: use correct log levelMichal Sekletar
2014-02-08pam-module: avoid (null) in debug messageZbigniew Jędrzejewski-Szmek
2014-02-07remove unused variablesThomas Hindoe Paaboel Andersen
2014-02-07core: when an already abandoned unit gets abandoned again generate a clean errorLennart Poettering
2014-02-07logind: order all scopes after both systemd-logind.service andLennart Poettering
systemd-user-sessions.service This way at shutdown we can be sure that the sessions go away before the network.
2014-02-07logind: add function session_jobs_reply() to unify the create replyDjalal Harouni
The session_send_create_reply() function which notifies clients about session creation is used for both session and user units. Unify the shared code in a new function session_jobs_reply(). The session_save() will be called unconditionally on sessions since it does not make sense to only call it if '!session->started', this will also allow to update the session state as soon as possible.
2014-02-07logind: given that we can now relatively safely shutdown sessions copesLennart Poettering
without working cgroup empty notifications there's no need to set the stop timeout of sessions scopes low
2014-02-07logind: rework session shutdown logicLennart Poettering
Simplify the shutdown logic a bit: - Keep the session FIFO around in the PAM module, even after the session shutdown hook has been finished. This allows logind to track precisely when the PAM handler goes away. - In the ReleaseSession() call start a timer, that will stop terminate the session when elapsed. - Never fiddle with the KillMode of scopes to configure whether user processes should be killed or not. Instead, simply leave the scope units around when we terminate a session whose processes should not be killed. - When killing is enabled, stop the session scope on FIFO EOF or after the ReleaseSession() timeout. When killing is disabled, simply tell PID 1 to abandon the scope. Because the scopes stay around and hence all processes are always member of a scope, the system shutdown logic should be more robust, as the scopes can be shutdown as part of the usual shutdown logic.
2014-02-05Update some message formatsZbigniew Jędrzejewski-Szmek
Use PID_FMT/USEC_FMT/... in more places. Also update logind error messages to print the full path to a file that failed. This should make debugging easier for people who do not know off the top of their head where logind stores it state.
2014-02-05man: introduce new "Desktop" property for sessionsLennart Poettering
This is initialized from XDG_SESSION_DESKTOP and is useful for GNOME to recognize its own sessions. It's supposed to be set to a short string identifying the session, such as "kde" or "gnome".
2014-02-05logind: make session type and class settable via the same waysLennart Poettering
If the session type/class is set via environment variables, use that, and otherwise fallback to something that is set via the PAM module command line.
2014-02-05logind: add new "wayland" session typeLennart Poettering
2014-01-26pam_systemd: Ignore vtnr when seat != seat0Matthew Monaco
logind considers it an error for a seat other than seat0 to have a non-zero vtnr for CreateSession
2014-01-25build-sys: create "compatibility libraries" sectionZbigniew Jędrzejewski-Szmek
Compat stuff is moved to src/compat-libs/. Warnings are issued when programs are linked with the deprecated library.
2014-01-25build-sys: merge libsystemd-login into libsystemdZbigniew Jędrzejewski-Szmek
A compatibility libsystemd-login library is created which uses .symver and ifunc magic proposed by Lennart to make programs linked to the old library name continue to work seamlessly. Unfortunately the bfd linker crashes: https://sourceware.org/bugzilla/show_bug.cgi?id=16467 This will be fixed in binutils 2.25. As a work-around, gold can be used: LDFLAGS=-Wl,-fuse-ld=gold Unfortunately the switch to pick the linker appeared in gcc 4.8. This also doesn't work with LLVM: http://llvm.org/bugs/show_bug.cgi?id=11897