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2013-09-26Move part of logind.c into a separate fileZbigniew Jędrzejewski-Szmek
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.
2013-09-26Move functions around to fix underlinking in test-machine-tablesZbigniew Jędrzejewski-Szmek
2013-09-26build-sys: add ./configure --enable-address-sanitizerZbigniew Jędrzejewski-Szmek
Enabling address sanitizer seems like a useful thing, but is quite tricky. Proper flags have to be passed to CPPFLAGS, CFLAGS and LDFLAGS, but passing them on the commandline doesn't work because we tests are done with ld directly, and not with libtool like in real linking. We might want to fix this, but let's add a handy way to enable address checking anyway.
2013-09-26journald: accept EPOLLERR from /dev/kmsgZbigniew Jędrzejewski-Szmek
Also print out unexpected epoll events explictly.
2013-09-26test-hashmap: fix access to uninitialized memoryZbigniew Jędrzejewski-Szmek
2013-09-26execute.c: little modernizationZbigniew Jędrzejewski-Szmek
2013-09-25util: add macro for iterating through all prefixes of a pathLennart Poettering
Syntactic sugar in a macro PATH_FOREACH_PREFIX.
2013-09-25keymap: Add Samsung Ativ 9 PlusJimmie Tauriainen
https://launchpad.net/bugs/1229936
2013-09-25cgroup: if we do a cgroup operation then do something on all supported ↵Lennart Poettering
controllers Previously we did operations like attach, trim or migrate only on the controllers that were enabled for a specific unit. With this changes we will now do them for all supproted controllers, and fall back to all possible prefix paths if the specified paths do not exist. This fixes issues if a controller is being disabled for a unit where it was previously enabled, and makes sure that all processes stay as "far down" the tree as groups exist.
2013-09-24journalctl(1): s/adm/systemd-journal/Dave Reisner
2013-09-24logind: return -EINVAL when PID is wrongLukas Nykryn
dbus-send --print-reply --system --dest=org.freedesktop.login1 /org/freedesktop/login1 org.freedesktop.login1.Manager.GetUserByPID uint32:0 causes systemd-logind[29843]: Assertion 'pid >= 1' failed at src/login/logind.c:938, function manager_get_user_by_pid(). Aborting.
2013-09-24TODO: add header backKay Sievers
2013-09-24hwdb: updateKay Sievers
2013-09-24support acpi firmware performance data (FPDT)Kay Sievers
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.
2013-09-24shared: device-nodes - add include guardKay Sievers
2013-09-24TODO: updateKay Sievers
2013-09-23cgroup: always enable memory.use_hierarchy= for all cgroups in the memory ↵Lennart Poettering
hierarchy The non-hierarchial mode contradicts the whole idea of a cgroup tree so let's not support this. In the future the kernel will only support the hierarchial logic anyway.
2013-09-23Fix obsolete references to systemd-random-seed-load.serviceEelco Dolstra
This service was merged with systemd-random-seed-save.service in c35b956d34bbb8bb208e49e45de2c103ca11911c.
2013-09-20completion/systemctl: add missing list-sockets verbDave Reisner
2013-09-20logind: put correct user object paths in introspection dataMantas Mikulėnas
Sync with user_bus_path() in logind-user-dbus.c
2013-09-19man: mention --runtime where appropriateZbigniew Jędrzejewski-Szmek
https://bugzilla.redhat.com/show_bug.cgi?id=1009956
2013-09-19keymap: Fix wrong assignments to F23Martin Pitt
These days, F21/F22/F23 mean Touchpad toggle/on/off. Clean up other assignments to that from ancient times which belong to keys like "Auto Brightness" (which doesn't have a keycode and is usually hardwired) or some "launch vendor tool" key. https://bugs.freedesktop.org/show_bug.cgi?id=62953
2013-09-19systemctl: Avoid ellipsizing when piping outputDave Reisner
2013-09-19Add more tests and fix capability loggingZbigniew Jędrzejewski-Szmek
2013-09-19build-sys: don't build python modules after --without-pythonZbigniew Jędrzejewski-Szmek
The modules should build just fine, but AM_PATH_PYTHON sets pkgpyexecdir for us. Without that variable we don't know where to install modules. In addition libtool tries an empty rpath, breaking the build. Those issues could be fixed or worked around, but we probably don't have many people who want to avoid using python binary, but want to compile python modules. If such uses ever come up, this issue should be revisited.
2013-09-19fix grammatical errorDave Reisner
2013-09-19nspawn: be less liberal about creating bind mount destinationsDave Reisner
Previously, if a file's bind mount destination didn't exist, nspawn would blindly create a directory, and the subsequent bind mount would fail. Examine the filetype of the source and ensure that, if the destination does not exist, that it is created appropriately. Also go one step further and ensure that the filetypes of the source and destination match.
2013-09-19test-utf8: add more tests for public functionsDave Reisner
2013-09-19device-nodes: move device node specific code to own fileDave Reisner
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.
2013-09-19shared/utf8: merge implementations, remove cruftDave Reisner
This unifies the utf8 handling code which was previously duplicated in udev and systemd.
2013-09-19udev-builtin-blkid: export ID_PART_TABLE_UUIDDave Reisner
2013-09-19clarify $ escaping in Exec* linesAndrey Borzenkov
Explain that literal $ can be passed by doubling it.
2013-09-18Spelling fix from later revision of committed patch from Shawn Landden ↵David Strauss
<shawn@churchofgit.com>.
2013-09-18Fix capability logging when effective caps are 0Zbigniew Jędrzejewski-Szmek
Shawn Landen> Doesn't this also skip the last '0' when it is all '0's? You need to keep the last one.
2013-09-18polkit: Avoid race condition in scraping /procColin Walters
If a calling process execve()s a setuid program, it can appear to be uid 0. Since we're receiving requests over DBus, avoid this by simply passing system-bus-name as a subject.
2013-09-18logs-show.c: fix enum type in function declarationZbigniew Jędrzejewski-Szmek
2013-09-17util: restore get_process_capeff behaviourZbigniew Jędrzejewski-Szmek
69ab8088 unified parsing of status files and removed the logic of skipping extra '0's when getting the effective capabilities. Restore that logic, so that the same capabilities are always mapped to the same strings in the journal.
2013-09-17Remove six unused variables and add annotationZbigniew Jędrzejewski-Szmek
clang FTW!
2013-09-17logind: fix build for ARM with sizeof(dev_t) > sizeof(void*)David Herrmann
Unfortunately on ARM-32 systems dev_t can be 64bit and thus we cannot store it easily in void* keys for hashtables. Fix that by passing a pointer to the dev_t variable instead.
2013-09-17gpt-auto-generator: do not assume that /dev/block/%u:%u is useableLennart Poettering
The generator might run before udev, and udev sets up the /dev/block/ symlinks, hence we cannot use them from the gpt generator. Instead, manually translate a major/minor to a device node.
2013-09-17backlight,random-seed: move state files into /var/lib/systemdLennart Poettering
Let's not scatter (private) files in /var around, let's place them all in /var/lib/systemd and below.
2013-09-17logind: implement generic multi-sessionDavid Herrmann
This enables the multi-session capability for seats that don't have VTs. For legacy seats with VTs, everything stays the same. However, all other seats now also get the multi-session capability. The only feature that was missing was session-switching. As logind can force a session-switch and signal that via the "Active" property, we only need a way to allow synchronized/delayed session switches. Compositors need to cleanup some devices before acknowledging the session switch. Therefore, we use the session-devices to give compositors a chance to block a session-switch until they cleaned everything up. If you activate a session on a seat without VTs, we send a PauseDevice signal to the active session for every active device. Only once the session acknowledged all these with a PauseDeviceComplete() call, we perform the final session switch. One important note is that delayed session-switching is meant for backwards compatibility. New compositors or other sessions should really try to deal correctly with forced session switches! They only need to handle EACCES/EPERM from syscalls and treat them as "PauseDevice" signal. Following logind patches will add a timeout to session-switches which forces the switch if the active session does not react in a timely fashion. Moreover, explicit ForceActivate() calls might also be supported. Hence, sessions must not crash if their devices get paused.
2013-09-17logind: introduce session-devicesDavid Herrmann
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.
2013-09-17Update TODOLennart Poettering
2013-09-17libudev: add missing 'global' to symbol exportKay Sievers
2013-09-17journald: avoid NSS in journaldLennart Poettering
In order to avoid a deadlock between journald looking up the "systemd-journal" group name, and nscd (or anyother NSS backing daemon) logging something back to the journal avoid all NSS in journald the same way as we avoid it from PID 1. With this change we rely on the kernel file system logic to adjust the group of created journal files via the SETGID bit on the journal directory. To ensure that it is always set, even after the user created it with a simply "mkdir" on the shell we fix it up via tmpfiles on boot.
2013-09-17tmpfiles: add a new "m" line type that adjusts user/group/mode of a file if ↵Lennart Poettering
it exists
2013-09-17test-fileio: assume that Buffers may be missingZbigniew Jędrzejewski-Szmek
2013-09-17Make test-login and test-sleep output debuggingZbigniew Jędrzejewski-Szmek
Without a call to log_parse_environment(), things like SYSTEMD_LOG_LEVEL do not work.
2013-09-17Use first partition in /proc/swaps for hibernation testZbigniew Jędrzejewski-Szmek
It seems that the kernel uses the first configured partition for hibernation. If it is too full, hibernation will fail. Test that directly.