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path: root/src/login/logind-user-dbus.c
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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.
2015-10-27util-lib: split out allocation calls into alloc-util.[ch]Lennart Poettering
2015-10-26util-lib: split out user/group/uid/gid calls into user-util.[ch]Lennart Poettering
2015-09-06bus-util: support details in CheckAuthorization callsMichael Chapman
Extra details for an action can be supplied when calling polkit's CheckAuthorization method. Details are a list of key/value string pairs. Custom policy can use these details when making authorization decisions.
2015-07-08property callback returns are consistentUmut Tezduyar Lindskog
It is no different to return 0 over 1 in the property callback. It is confusing to return 1 which made me think 1 has a special purpose. This way code is consistent with the rest of the tree.
2015-06-16everywhere: actually make use of DUAL_TIMESTAMP_NULL macroLennart Poettering
Let's use it as initializer where appropriate.
2015-04-29sd-bus: drop bus parameter from message callback prototypeLennart Poettering
This should simplify the prototype a bit. The bus parameter is redundant in most cases, and in the few where it matters it can be derived from the message via sd_bus_message_get_bus().
2015-04-10shared: add formats-util.hRonny Chevalier
2015-02-18logind: open up most bus calls for unpriviliged processes, using PolicyKitLennart Poettering
Also, allow clients to alter their own objects without any further priviliges. i.e. this allows clients to kill and lock their own sessions without involving PK.
2015-01-18logind: hide 'self' links if not availableDavid Herrmann
If the caller does not run in a session/seat or has no tracked user, hide the /org/freedesktop/login1/.../self links in introspection data. Otherwise, "busctl tree org.freedesktop.login1" tries to query those nodes even though it cant.
2015-01-09logind: unify how we cast between uid_t and pointers for hashmap keysLennart Poettering
2015-01-09logind: when a bus call is done on a session, user or seat, optionally ↵Lennart Poettering
determine them from the caller credentials More specifically, if an operation is requested on a session with an empty name, the caller's session is used. If an operation is requested on a seat with an empty name, the seat of the caller's session is used. Finally, if an operation on the user with UID -1 is requested, the user of the client's session is used (and not the UID of the client!).
2015-01-09logind: include "self" object links in dbus introspectionLennart Poettering
Makes "busctl introspect" a lot more fun.
2014-12-25logind: remove spurious include of <sys/capability.h>Filipe Brandenburger
They do not use any functions from libcap directly. The CAP_* constants in use through these files come from "missing.h" which will import <linux/capability.h> and complement it with CAP_* constants not defined by the current kernel headers. The "missing.h" header is imported through "util.h" which gets imported in "logind.h". Tested that "systemd-logind" builds cleanly and works after this change.
2014-05-19logind: fix Display property of user objectsLennart Poettering
When we dropped support for creating a per-user to the "main" X11 display we stopped returning useful data in the "Display" user property. With this change this is fixed and we again expose an appropriate (graphical session) in the property that is useful as the "main" one, if one is needed.
2014-05-15Remove unnecessary casts in printfsZbigniew Jędrzejewski-Szmek
No functional change expected :)
2014-05-15sd-bus: introduce sd_bus_slot objects encapsulating callbacks or vtables ↵Lennart Poettering
attached to a bus connection This makes callback behaviour more like sd-event or sd-resolve, and creates proper object for unregistering callbacks. Taking the refernce to the slot is optional. If not taken life time of the slot will be bound to the underlying bus object (or in the case of an async call until the reply has been recieved).
2014-03-04Introduce strv_consume which takes ownershipZbigniew Jędrzejewski-Szmek
This mirrors set_consume and makes the common use a bit nicer.
2014-02-11logind: always kill session when termination is requestedZbigniew Jędrzejewski-Szmek
KillUserProcesses=yes/no should be ignored when termination is explicitly requested.
2013-12-22bus: decorate the various object vtables with SD_BUS_VTABLE_PROPERTY_CONST ↵Lennart Poettering
where appropriate
2013-12-10bus: introduce "trusted" bus concept and encode access control in object vtablesLennart Poettering
Introduces a new concept of "trusted" vs. "untrusted" busses. For the latter libsystemd-bus will automatically do per-method access control, for the former all access is automatically granted. Per-method access control is encoded in the vtables: by default all methods are only accessible to privileged clients. If the SD_BUS_VTABLE_UNPRIVILEGED flag is set for a method it is accessible to unprivileged clients too. By default whether a client is privileged is determined via checking for its CAP_SYS_ADMIN capability, but this can be altered via the SD_BUS_VTABLE_CAPABILITY() macro that can be ORed into the flags field of the method. Writable properties are also subject to SD_BUS_VTABLE_UNPRIVILEGED and SD_BUS_VTABLE_CAPABILITY() for controlling write access to them. Note however that read access is unrestricted, as PropertiesChanged messages might send out the values anyway as an unrestricted broadcast. By default the system bus is set to "untrusted" and the user bus is "trusted" since per-method access control on the latter is unnecessary. On dbus1 busses we check the UID of the caller rather than the configured capability since the capability cannot be determined without race. On kdbus the capability is checked if possible from the attached meta-data of a message and otherwise queried from the sending peer. This also decorates the vtables of the various daemons we ship with these flags.
2013-11-28bus: add new sd_bus_creds object to encapsulate process credentialsLennart Poettering
This way we can unify handling of credentials that are attached to messages, or can be queried for bus name owners or connection peers. This also adds the ability to extend incomplete credential information with data from /proc, Also, provide a convenience call that will automatically determine the most appropriate credential object for an incoming message, by using the the attached information if possible, the sending name information if available and otherwise the peer's credentials.
2013-11-22bus: also add error parameter to object find and enumerator callbacksLennart Poettering
Just in order to bring things inline with the method and property callbacks.
2013-11-21bus: rework message handlers to always take an error argumentLennart Poettering
Message handler callbacks can be simplified drastically if the dispatcher automatically replies to method calls if errors are returned. Thus: add an sd_bus_error argument to all message handlers. When we dispatch a message handler and it returns negative or a set sd_bus_error we send this as message error back to the client. This means errors returned by handlers by default are given back to clients instead of rippling all the way up to the event loop, which is desirable to make things robust. As a side-effect we can now easily turn the SELinux checks into normal function calls, since the method call dispatcher will generate the right error replies automatically now. Also, make sure we always pass the error structure to all property and method handlers as last argument to follow the usual style of passing variables for return values as last argument.
2013-11-21bus: let's simplify things by getting rid of unnecessary bus parametersLennart Poettering
2013-11-05logind: add virtual object paths that always can be used to refer to the ↵Lennart Poettering
callers session, user, seat or machine object This way clients can skip invoking GetSessionByPID() for their own PID or a similar call to access these objects.
2013-11-05logind: expose linger state on User objectLennart Poettering
2013-11-05logind: port logind to libsystemd-busLennart Poettering
2013-07-02logind: port over to use scopes+slices for all cgroup stuffLennart Poettering
In order to prepare things for the single-writer cgroup scheme, let's make logind use systemd's own primitives for cgroup management. Every login user now gets his own private slice unit, in which his sessions live in a scope unit each. Also, add user@$UID.service to the same slice, and implicitly start it on first login.
2013-06-20logind: add infrastructure to keep track of machines, and move to slicesLennart Poettering
- This changes all logind cgroup objects to use slice objects rather than fixed croup locations. - logind can now collect minimal information about running VMs/containers. As fixed cgroup locations can no longer be used we need an entity that keeps track of machine cgroups in whatever slice they might be located. Since logind already keeps track of users, sessions and seats this is a trivial addition. - nspawn will now register with logind and pass various bits of metadata along. A new option "--slice=" has been added to place the container in a specific slice. - loginctl gained commands to list, introspect and terminate machines. - user.slice and machine.slice will now be pulled in by logind.service, since only logind.service requires this slice.
2013-04-18move _cleanup_ attribute in front of the typeHarald Hoyer
http://lists.freedesktop.org/archives/systemd-devel/2013-April/010510.html
2013-03-18logind: exploit previous cleanups and simplify returnsZbigniew Jędrzejewski-Szmek
2013-03-18logind: Make more use of cleanup macrosColin Walters
2013-03-18Use bus_maybe_send_reply() where applicableColin Walters
This is a followup to: commit 1a37b9b9043ef83e9900e460a9a1fccced3acf89 It will fix denial messages from dbus-daemon between gdm and systemd-logind on logging into GNOME due to this. See the previous commit for more details.
2012-04-17udev: replace util_create_path() with mkdir_parents()Kay Sievers
2012-04-16systemctl: show main and control PID explicitly in cgroup-showLennart Poettering
In some cases the main/control PID of a service can be outside of the services cgroups (for example, if logind readjusts the processes' cgroup). In order to clarify this for the user show the main/control PID in the cgroup tree nonetheless, but mark them specially.
2012-04-12relicense to LGPLv2.1 (with exceptions)Lennart Poettering
We finally got the OK from all contributors with non-trivial commits to relicense systemd from GPL2+ to LGPL2.1+. Some udev bits continue to be GPL2+ for now, but we are looking into relicensing them too, to allow free copy/paste of all code within systemd. The bits that used to be MIT continue to be MIT. The big benefit of the relicensing is that closed source code may now link against libsystemd-login.so and friends.
2012-01-16dbus: more efficient implementation of propertiesMichal Schmidt
The way the various properties[] arrays are initialized is inefficient: - only the .data members change at runtime, yet the whole arrays of properties with all the fields are constructed on the stack one by one by the code. - there's duplication, eg. the properties of "org.freedesktop.systemd1.Unit" are repeated in several unit types. Fix it by moving the information about properties into static const sections. Instead of storing the .data directly in the property, store a constant offset from a run-time base. The small arrays of struct BusBoundProperties bind together the constant information with the right runtime information (the base pointer). On my system the code shrinks by 60 KB, data increases by 10 KB.
2011-12-31logind: move logind into its own subdirectoryLennart Poettering