2 This file is part of systemd.
4 Copyright 2011 Lennart Poettering
6 systemd is free software; you can redistribute it and/or modify it
7 under the terms of the GNU Lesser General Public License as published by
8 the Free Software Foundation; either version 2.1 of the License, or
9 (at your option) any later version.
11 systemd is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with systemd; If not, see <http://www.gnu.org/licenses/>.
23 #include "alloc-util.h"
25 #include "format-util.h"
26 #include "logind-user.h"
28 #include "signal-util.h"
30 #include "user-util.h"
32 static int property_get_display(
35 const char *interface
,
37 sd_bus_message
*reply
,
39 sd_bus_error
*error
) {
41 _cleanup_free_
char *p
= NULL
;
48 p
= u
->display
? session_bus_path(u
->display
) : strdup("/");
52 return sd_bus_message_append(reply
, "(so)", u
->display
? u
->display
->id
: "", p
);
55 static int property_get_state(
58 const char *interface
,
60 sd_bus_message
*reply
,
62 sd_bus_error
*error
) {
70 return sd_bus_message_append(reply
, "s", user_state_to_string(user_get_state(u
)));
73 static int property_get_sessions(
76 const char *interface
,
78 sd_bus_message
*reply
,
80 sd_bus_error
*error
) {
90 r
= sd_bus_message_open_container(reply
, 'a', "(so)");
94 LIST_FOREACH(sessions_by_user
, session
, u
->sessions
) {
95 _cleanup_free_
char *p
= NULL
;
97 p
= session_bus_path(session
);
101 r
= sd_bus_message_append(reply
, "(so)", session
->id
, p
);
107 return sd_bus_message_close_container(reply
);
110 static int property_get_idle_hint(
113 const char *interface
,
114 const char *property
,
115 sd_bus_message
*reply
,
117 sd_bus_error
*error
) {
125 return sd_bus_message_append(reply
, "b", user_get_idle_hint(u
, NULL
) > 0);
128 static int property_get_idle_since_hint(
131 const char *interface
,
132 const char *property
,
133 sd_bus_message
*reply
,
135 sd_bus_error
*error
) {
138 dual_timestamp t
= DUAL_TIMESTAMP_NULL
;
145 user_get_idle_hint(u
, &t
);
146 k
= streq(property
, "IdleSinceHint") ? t
.realtime
: t
.monotonic
;
148 return sd_bus_message_append(reply
, "t", k
);
151 static int property_get_linger(
154 const char *interface
,
155 const char *property
,
156 sd_bus_message
*reply
,
158 sd_bus_error
*error
) {
167 r
= user_check_linger_file(u
);
169 return sd_bus_message_append(reply
, "b", r
> 0);
172 int bus_user_method_terminate(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
179 r
= bus_verify_polkit_async(
182 "org.freedesktop.login1.manage",
186 &u
->manager
->polkit_registry
,
191 return 1; /* Will call us back */
193 r
= user_stop(u
, true);
197 return sd_bus_reply_method_return(message
, NULL
);
200 int bus_user_method_kill(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
208 r
= bus_verify_polkit_async(
211 "org.freedesktop.login1.manage",
215 &u
->manager
->polkit_registry
,
220 return 1; /* Will call us back */
222 r
= sd_bus_message_read(message
, "i", &signo
);
226 if (!SIGNAL_VALID(signo
))
227 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid signal %i", signo
);
229 r
= user_kill(u
, signo
);
233 return sd_bus_reply_method_return(message
, NULL
);
236 const sd_bus_vtable user_vtable
[] = {
237 SD_BUS_VTABLE_START(0),
239 SD_BUS_PROPERTY("UID", "u", bus_property_get_uid
, offsetof(User
, uid
), SD_BUS_VTABLE_PROPERTY_CONST
),
240 SD_BUS_PROPERTY("GID", "u", bus_property_get_gid
, offsetof(User
, gid
), SD_BUS_VTABLE_PROPERTY_CONST
),
241 SD_BUS_PROPERTY("Name", "s", NULL
, offsetof(User
, name
), SD_BUS_VTABLE_PROPERTY_CONST
),
242 BUS_PROPERTY_DUAL_TIMESTAMP("Timestamp", offsetof(User
, timestamp
), SD_BUS_VTABLE_PROPERTY_CONST
),
243 SD_BUS_PROPERTY("RuntimePath", "s", NULL
, offsetof(User
, runtime_path
), SD_BUS_VTABLE_PROPERTY_CONST
),
244 SD_BUS_PROPERTY("Service", "s", NULL
, offsetof(User
, service
), SD_BUS_VTABLE_PROPERTY_CONST
),
245 SD_BUS_PROPERTY("Slice", "s", NULL
, offsetof(User
, slice
), SD_BUS_VTABLE_PROPERTY_CONST
),
246 SD_BUS_PROPERTY("Display", "(so)", property_get_display
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
247 SD_BUS_PROPERTY("State", "s", property_get_state
, 0, 0),
248 SD_BUS_PROPERTY("Sessions", "a(so)", property_get_sessions
, 0, 0),
249 SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
250 SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
251 SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
252 SD_BUS_PROPERTY("Linger", "b", property_get_linger
, 0, 0),
254 SD_BUS_METHOD("Terminate", NULL
, NULL
, bus_user_method_terminate
, SD_BUS_VTABLE_UNPRIVILEGED
),
255 SD_BUS_METHOD("Kill", "i", NULL
, bus_user_method_kill
, SD_BUS_VTABLE_UNPRIVILEGED
),
260 int user_object_find(sd_bus
*bus
, const char *path
, const char *interface
, void *userdata
, void **found
, sd_bus_error
*error
) {
261 Manager
*m
= userdata
;
272 if (streq(path
, "/org/freedesktop/login1/user/self")) {
273 sd_bus_message
*message
;
275 message
= sd_bus_get_current_message(bus
);
279 r
= manager_get_user_from_creds(m
, message
, UID_INVALID
, error
, &user
);
285 p
= startswith(path
, "/org/freedesktop/login1/user/_");
289 r
= parse_uid(p
, &uid
);
294 user
= hashmap_get(m
->users
, UID_TO_PTR(uid
));
302 char *user_bus_path(User
*u
) {
307 if (asprintf(&s
, "/org/freedesktop/login1/user/_"UID_FMT
, u
->uid
) < 0)
313 int user_node_enumerator(sd_bus
*bus
, const char *path
, void *userdata
, char ***nodes
, sd_bus_error
*error
) {
314 _cleanup_strv_free_
char **l
= NULL
;
315 sd_bus_message
*message
;
316 Manager
*m
= userdata
;
325 HASHMAP_FOREACH(user
, m
->users
, i
) {
328 p
= user_bus_path(user
);
332 r
= strv_consume(&l
, p
);
337 message
= sd_bus_get_current_message(bus
);
339 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
342 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_OWNER_UID
|SD_BUS_CREDS_AUGMENT
, &creds
);
344 r
= sd_bus_creds_get_owner_uid(creds
, &uid
);
346 user
= hashmap_get(m
->users
, UID_TO_PTR(uid
));
348 r
= strv_extend(&l
, "/org/freedesktop/login1/user/self");
362 int user_send_signal(User
*u
, bool new_user
) {
363 _cleanup_free_
char *p
= NULL
;
367 p
= user_bus_path(u
);
371 return sd_bus_emit_signal(
373 "/org/freedesktop/login1",
374 "org.freedesktop.login1.Manager",
375 new_user
? "UserNew" : "UserRemoved",
376 "uo", (uint32_t) u
->uid
, p
);
379 int user_send_changed(User
*u
, const char *properties
, ...) {
380 _cleanup_free_
char *p
= NULL
;
388 p
= user_bus_path(u
);
392 l
= strv_from_stdarg_alloca(properties
);
394 return sd_bus_emit_properties_changed_strv(u
->manager
->bus
, p
, "org.freedesktop.login1.User", l
);