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 "formats-util.h"
26 #include "logind-user.h"
29 #include "user-util.h"
31 static int property_get_display(
34 const char *interface
,
36 sd_bus_message
*reply
,
38 sd_bus_error
*error
) {
40 _cleanup_free_
char *p
= NULL
;
47 p
= u
->display
? session_bus_path(u
->display
) : strdup("/");
51 return sd_bus_message_append(reply
, "(so)", u
->display
? u
->display
->id
: "", p
);
54 static int property_get_state(
57 const char *interface
,
59 sd_bus_message
*reply
,
61 sd_bus_error
*error
) {
69 return sd_bus_message_append(reply
, "s", user_state_to_string(user_get_state(u
)));
72 static int property_get_sessions(
75 const char *interface
,
77 sd_bus_message
*reply
,
79 sd_bus_error
*error
) {
89 r
= sd_bus_message_open_container(reply
, 'a', "(so)");
93 LIST_FOREACH(sessions_by_user
, session
, u
->sessions
) {
94 _cleanup_free_
char *p
= NULL
;
96 p
= session_bus_path(session
);
100 r
= sd_bus_message_append(reply
, "(so)", session
->id
, p
);
106 return sd_bus_message_close_container(reply
);
109 static int property_get_idle_hint(
112 const char *interface
,
113 const char *property
,
114 sd_bus_message
*reply
,
116 sd_bus_error
*error
) {
124 return sd_bus_message_append(reply
, "b", user_get_idle_hint(u
, NULL
) > 0);
127 static int property_get_idle_since_hint(
130 const char *interface
,
131 const char *property
,
132 sd_bus_message
*reply
,
134 sd_bus_error
*error
) {
137 dual_timestamp t
= DUAL_TIMESTAMP_NULL
;
144 user_get_idle_hint(u
, &t
);
145 k
= streq(property
, "IdleSinceHint") ? t
.realtime
: t
.monotonic
;
147 return sd_bus_message_append(reply
, "t", k
);
150 static int property_get_linger(
153 const char *interface
,
154 const char *property
,
155 sd_bus_message
*reply
,
157 sd_bus_error
*error
) {
166 r
= user_check_linger_file(u
);
168 return sd_bus_message_append(reply
, "b", r
> 0);
171 int bus_user_method_terminate(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
178 r
= bus_verify_polkit_async(
181 "org.freedesktop.login1.manage",
185 &u
->manager
->polkit_registry
,
190 return 1; /* Will call us back */
192 r
= user_stop(u
, true);
196 return sd_bus_reply_method_return(message
, NULL
);
199 int bus_user_method_kill(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
207 r
= bus_verify_polkit_async(
210 "org.freedesktop.login1.manage",
214 &u
->manager
->polkit_registry
,
219 return 1; /* Will call us back */
221 r
= sd_bus_message_read(message
, "i", &signo
);
225 if (signo
<= 0 || signo
>= _NSIG
)
226 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid signal %i", signo
);
228 r
= user_kill(u
, signo
);
232 return sd_bus_reply_method_return(message
, NULL
);
235 const sd_bus_vtable user_vtable
[] = {
236 SD_BUS_VTABLE_START(0),
238 SD_BUS_PROPERTY("UID", "u", bus_property_get_uid
, offsetof(User
, uid
), SD_BUS_VTABLE_PROPERTY_CONST
),
239 SD_BUS_PROPERTY("GID", "u", bus_property_get_gid
, offsetof(User
, gid
), SD_BUS_VTABLE_PROPERTY_CONST
),
240 SD_BUS_PROPERTY("Name", "s", NULL
, offsetof(User
, name
), SD_BUS_VTABLE_PROPERTY_CONST
),
241 BUS_PROPERTY_DUAL_TIMESTAMP("Timestamp", offsetof(User
, timestamp
), SD_BUS_VTABLE_PROPERTY_CONST
),
242 SD_BUS_PROPERTY("RuntimePath", "s", NULL
, offsetof(User
, runtime_path
), SD_BUS_VTABLE_PROPERTY_CONST
),
243 SD_BUS_PROPERTY("Service", "s", NULL
, offsetof(User
, service
), SD_BUS_VTABLE_PROPERTY_CONST
),
244 SD_BUS_PROPERTY("Slice", "s", NULL
, offsetof(User
, slice
), SD_BUS_VTABLE_PROPERTY_CONST
),
245 SD_BUS_PROPERTY("Display", "(so)", property_get_display
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
246 SD_BUS_PROPERTY("State", "s", property_get_state
, 0, 0),
247 SD_BUS_PROPERTY("Sessions", "a(so)", property_get_sessions
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
248 SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
249 SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
250 SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
251 SD_BUS_PROPERTY("Linger", "b", property_get_linger
, 0, 0),
253 SD_BUS_METHOD("Terminate", NULL
, NULL
, bus_user_method_terminate
, SD_BUS_VTABLE_UNPRIVILEGED
),
254 SD_BUS_METHOD("Kill", "i", NULL
, bus_user_method_kill
, SD_BUS_VTABLE_UNPRIVILEGED
),
259 int user_object_find(sd_bus
*bus
, const char *path
, const char *interface
, void *userdata
, void **found
, sd_bus_error
*error
) {
260 Manager
*m
= userdata
;
271 if (streq(path
, "/org/freedesktop/login1/user/self")) {
272 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
273 sd_bus_message
*message
;
275 message
= sd_bus_get_current_message(bus
);
279 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_OWNER_UID
|SD_BUS_CREDS_AUGMENT
, &creds
);
283 r
= sd_bus_creds_get_owner_uid(creds
, &uid
);
287 p
= startswith(path
, "/org/freedesktop/login1/user/_");
291 r
= parse_uid(p
, &uid
);
296 user
= hashmap_get(m
->users
, UID_TO_PTR(uid
));
304 char *user_bus_path(User
*u
) {
309 if (asprintf(&s
, "/org/freedesktop/login1/user/_"UID_FMT
, u
->uid
) < 0)
315 int user_node_enumerator(sd_bus
*bus
, const char *path
, void *userdata
, char ***nodes
, sd_bus_error
*error
) {
316 _cleanup_strv_free_
char **l
= NULL
;
317 sd_bus_message
*message
;
318 Manager
*m
= userdata
;
327 HASHMAP_FOREACH(user
, m
->users
, i
) {
330 p
= user_bus_path(user
);
334 r
= strv_consume(&l
, p
);
339 message
= sd_bus_get_current_message(bus
);
341 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
344 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_OWNER_UID
|SD_BUS_CREDS_AUGMENT
, &creds
);
346 r
= sd_bus_creds_get_owner_uid(creds
, &uid
);
348 user
= hashmap_get(m
->users
, UID_TO_PTR(uid
));
350 r
= strv_extend(&l
, "/org/freedesktop/login1/user/self");
364 int user_send_signal(User
*u
, bool new_user
) {
365 _cleanup_free_
char *p
= NULL
;
369 p
= user_bus_path(u
);
373 return sd_bus_emit_signal(
375 "/org/freedesktop/login1",
376 "org.freedesktop.login1.Manager",
377 new_user
? "UserNew" : "UserRemoved",
378 "uo", (uint32_t) u
->uid
, p
);
381 int user_send_changed(User
*u
, const char *properties
, ...) {
382 _cleanup_free_
char *p
= NULL
;
390 p
= user_bus_path(u
);
394 l
= strv_from_stdarg_alloca(properties
);
396 return sd_bus_emit_properties_changed_strv(u
->manager
->bus
, p
, "org.freedesktop.login1.User", l
);