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2015-12-04login: make sure /run/nologin has correct SELinux labelMichal Sekletar
2015-11-27tree-wide: expose "p"-suffix unref calls in public APIs to make gcc cleanup easyLennart Poettering
GLIB has recently started to officially support the gcc cleanup attribute in its public API, hence let's do the same for our APIs. With this patch we'll define an xyz_unrefp() call for each public xyz_unref() call, to make it easy to use inside a __attribute__((cleanup())) expression. Then, all code is ported over to make use of this. The new calls are also documented in the man pages, with examples how to use them (well, I only added docs where the _unref() call itself already had docs, and the examples, only cover sd_bus_unrefp() and sd_event_unrefp()). This also renames sd_lldp_free() to sd_lldp_unref(), since that's how we tend to call our destructors these days. Note that this defines no public macro that wraps gcc's attribute and makes it easier to use. While I think it's our duty in the library to make our stuff easy to use, I figure it's not our duty to make gcc's own features easy to use on its own. Most likely, client code which wants to make use of this should define its own: #define _cleanup_(function) __attribute__((cleanup(function))) Or similar, to make the gcc feature easier to use. Making this logic public has the benefit that we can remove three header files whose only purpose was to define these functions internally. See #2008.
2015-11-18tree-wide: sort includes in *.hThomas Hindoe Paaboel Andersen
This is a continuation of the previous include sort patch, which only sorted for .c files.
2015-11-17Merge pull request #1926 from phomes/include-order-libudevDaniel Mack
tree-wide: group include of libudev.h with sd-*
2015-11-17tree-wide: group include of libudev.h with sd-*Thomas Hindoe Paaboel Andersen
2015-11-17tree-wide: make macros for converting fds to pointers and back generic and ↵Lennart Poettering
use them everywhere
2015-11-16tree-wide: sort includesThomas Hindoe Paaboel Andersen
Sort the includes accoding to the new coding style.
2015-11-16login: ignore JobRemoved of old jobsDavid Herrmann
If we requeue jobs, we are no longer interested in old jobs. Hence, we better ignore any JobRemoved signals for old jobs and concentrate on our replacements.
2015-11-16login: make sure to replace existing unitsDavid Herrmann
When queuing unit jobs, we should rather replace existing units than fail. This is especially important when we queued a user-shutdown and a new login is encountered. In this case, we better raplce the shutdown jobs. systemd takes care of everything else.
2015-11-16login: fix re-use of usersDavid Herrmann
If the last reference to a user is released, we queue stop-jobs for the user-service and slice. Only once those are finished, we drop the user-object. However, if a new session is opened before the user object is fully dropped, we currently incorrectly re-use the object. This has the effect, that we get stale sessions without a valid "systemd --user" instance. Fix this by properly allowing user_start() to be called, even if user->stopping is true.
2015-11-16login: group static fields in "struct User"David Herrmann
Make sure to put static fields together in "struct User". This makes it easier to figure out the lifetime of each field.
2015-11-16login: make user->service staticDavid Herrmann
Just like user->slice, there is no reason to store the unit name in /run, nor should we allocate it dynamically on job instantiation/removal. Just keep it statically around at all times and rely on user->started || user->stopping to figure out whether the unit exists or not.
2015-11-16login: make user_new() and user_free() follow coding-styleDavid Herrmann
Few changes to user_new() and user_free(): - Use _cleanup_(user_freep) in constructor - return 'int' from user_new() - make user_free() deal with partially initialized objects - keep reverse-order in user_free() compared to user_new() - make user_free() return NULL - make user_free() accept NULL as no-op
2015-11-16login: keep user->slice constantDavid Herrmann
Currently, we allocate user->slice when starting a slice, but we never release it. This is incompatible if we want to re-use a user object once it was stopped. Hence, make sure user->slice is allocated statically on the user object and use "u->started || u->stopping" as an indication whether the slice is actually available on pid1 or not.
2015-11-16login: simply XDG_RUNTIME_DIR managementDavid Herrmann
Lets not pretend we support changing XDG_RUNTIME_DIR via logind state files. There is no reason to ever write the string into /run, as we allocate it statically based on the UID, anyway. Lets stop that and just allocate the runtime_path in "struct User" at all times. We keep writing it into the /run state to make sure pam_systemd of previous installs can still read it. However, pam_systemd is now fixed to allocate it statically as well, so we can safely remove that some time in the future. Last but not least: If software depends on systemd, they're more than free to assume /run/user/$uid is their runtime dir. Lets not require sane applications to query the environment to get their runtime dir. As long as applications know their login-UID, they should be safe to deduce the runtime dir.
2015-11-16Merge pull request #1886 from poettering/tasks-maxDavid Herrmann
Enable TasksMax by default for all units
2015-11-16logind: change default to UserTasksMax= to 4096Lennart Poettering
2015-11-15machined,logind: be more careful when accepting PIDs and UIDs from clientsLennart Poettering
Always validate first before we start processing the data.
2015-11-13logind: add a new UserTasksMax= setting to logind.confLennart Poettering
This new setting configures the TasksMax= field for the slice objects we create for each user. This alters logind to create the slice unit as transient unit explicitly instead of relying on implicit generation of slice units by simply starting them. This also enables us to set a friendly description for slice units that way.
2015-11-13logind: don't assert if the slice is missingLennart Poettering
After all, we don't actually really need the slice to work, it's just nice to have it.
2015-11-10defs: rework CONF_DIRS_NULSTR() macroLennart Poettering
The macro is generically useful for putting together search paths, hence let's make it truly generic, by dropping the implicit ".d" appending it does, and leave that to the caller. Also rename it from CONF_DIRS_NULSTR() to CONF_PATHS_NULSTR(), since it's not strictly about dirs that way, but any kind of file system path. Also, mark CONF_DIR_SPLIT_USR() as internal macro by renaming it to _CONF_PATHS_SPLIT_USR() so that the leading underscore indicates that it's internal.
2015-11-09treewide: apply errno.cocciMichal Schmidt
with small manual cleanups for style.
2015-11-05treewide: use the negative error codes returned by our functionsMichal Schmidt
Our functions return negative error codes. Do not rely on errno being set after calling our own functions.
2015-11-03util-lib: move CONF_DIRS_NULSTR definition to def.hLennart Poettering
After all, this is not some compiler or C magic, but something very specific to how systemd works, hence let's move it into def.h, and out of macro.h
2015-10-27util-lib: split out allocation calls into alloc-util.[ch]Lennart Poettering
2015-10-27user-util: move UID/GID related macros from macro.h to user-util.hLennart Poettering
2015-10-27src/basic: rename audit.[ch] → audit-util.[ch] and capability.[ch] → ↵Lennart Poettering
capability-util.[ch] The files are named too generically, so that they might conflict with the upstream project headers. Hence, let's add a "-util" suffix, to clarify that this are just our utility headers and not any official upstream headers.
2015-10-27util-lib: move more locale-related calls to locale-util.[ch]Lennart Poettering
2015-10-27util-lib: move string table stuff into its own string-table.[ch]Lennart Poettering
2015-10-27util-lib: move a number of fs operations into fs-util.[ch]Lennart Poettering
2015-10-27util-lib: introduce dirent-util.[ch] for directory entry callsLennart Poettering
Also, move a couple of more path-related functions to path-util.c.
2015-10-27util-lib: move mount related utility calls to mount-util.[ch]Lennart Poettering
2015-10-27util-lib: move more file I/O related calls into fileio.[ch]Lennart Poettering
2015-10-27util-lib: split string parsing related calls from util.[ch] into parse-util.[ch]Lennart Poettering
2015-10-26util: remove lookup_uid(), replace by uid_to_name()Lennart Poettering
So far we had two pretty much identical calls in user-util.[ch]: lookup_uid() and uid_to_name(). Get rid of the former, in favour of the latter, and while we are at it, rewrite it, to use getpwuid_r() correctly, inside an allocation loop, as POSIX intended.
2015-10-26util-lib: split out user/group/uid/gid calls into user-util.[ch]Lennart Poettering
2015-10-26util-lib: split out IO related calls to io-util.[ch]Lennart Poettering
2015-10-25util-lib: split out fd-related operations into fd-util.[ch]Lennart Poettering
There are more than enough to deserve their own .c file, hence move them over.
2015-10-24util: move logind_running() to login-util.[ch]Lennart Poettering
2015-10-24util-lib: split our string related calls from util.[ch] into its own file ↵Lennart Poettering
string-util.[ch] There are more than enough calls doing string manipulations to deserve its own files, hence do something about it. This patch also sorts the #include blocks of all files that needed to be updated, according to the sorting suggestions from CODING_STYLE. Since pretty much every file needs our string manipulation functions this effectively means that most files have sorted #include blocks now. Also touches a few unrelated include files.
2015-10-24util: split out escaping code into escape.[ch]Lennart Poettering
This really deserves its own file, given how much code this is now.
2015-10-22logind: minor clean-upsLennart Poettering
2015-10-14login: suspend - be a bit more explicit when loggingTom Gundersen
When the Suspend method is called, the only log message we write (unless debugging is enabled) is "Operation finished.". This is not very helpful when trying to figure out what is going on, so add what operation we are talking about to the message: "Operation 'sleep' finished.". Hat tip to Daniel Aleksandersen for pointing this out.
2015-10-01logind: remove warn_melody() logicLennart Poettering
The internal speaker is usually not available on modern latops that support suspend, and even if it is available in the hardware, most distributions turned support for it off in the kernel. And even if it is enabled, it's probably still a bad idea to make use of it for the suspend-failures. If anything a proper sound should be played. Long story short, let's remove support of this anachronism.
2015-09-30tree-wide: clean up log_syntax() usageLennart Poettering
- Rely everywhere that we use abs() on the error code passed in anyway, thus don't need to explicitly negate what we pass in - Never attach synthetic error number information to log messages. Only log about errors we *receive* with the error number we got there, don't log any synthetic error, that don#t even propagate, but just eat up. - Be more careful with attaching exactly the error we get, instead of errno or unrelated errors randomly. - Fix one occasion where the error number and line number got swapped. - Make sure we never tape over OOM issues, or inability to resolve specifiers
2015-09-30Merge pull request #1421 from keszybz/formatting-fixesDaniel Mack
logind: avoid a dot before parenthesis
2015-09-30logind: avoid a dot before parenthesisZbigniew Jędrzejewski-Szmek
systemd-logind[27]: System is rebooting. (Applied kernel updates.) is changed to systemd-logind[27]: System is rebooting (Applied kernel updates). Users should not add a dot in the sentence in --message, i.e. the correct usage is now: $ systemctl reboot --message "Applied kernel updates"
2015-09-30tree-wide: use strempty() where possibleDaniel Mack
Also add a Coccinell patch to detect such locations in the future.
2015-09-29bus-util: rename bus_open_transport() to bus_connect_transport()Lennart Poettering
In sd-bus, the sd_bus_open_xyz() family of calls allocates a new bus, while sd_bus_default_xyz() family tries to reuse the thread's default bus. bus_open_transport() sometimes internally uses the former, sometimes the latter family, but suggests it only calls the former via its name. Hence, let's avoid this confusion, and generically rename the call to bus_connect_transport(). Similar for all related calls. And while we are at it, also change cgls + cgtop to do direct systemd connections where possible, since all they do is talk to systemd itself.
2015-09-29util: introduce common version() implementation and use it everywhereLennart Poettering
This also allows us to drop build.h from a ton of files, hence do so. Since we touched the #includes of those files, let's order them properly according to CODING_STYLE.