1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2011 Lennart Poettering
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
26 #include "formats-util.h"
27 #include "logind-user.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 (signo
<= 0 || signo
>= _NSIG
)
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, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
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 _cleanup_bus_creds_unref_ sd_bus_creds
*creds
= NULL
;
274 sd_bus_message
*message
;
276 message
= sd_bus_get_current_message(bus
);
280 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_OWNER_UID
|SD_BUS_CREDS_AUGMENT
, &creds
);
284 r
= sd_bus_creds_get_owner_uid(creds
, &uid
);
288 p
= startswith(path
, "/org/freedesktop/login1/user/_");
292 r
= parse_uid(p
, &uid
);
297 user
= hashmap_get(m
->users
, UID_TO_PTR(uid
));
305 char *user_bus_path(User
*u
) {
310 if (asprintf(&s
, "/org/freedesktop/login1/user/_"UID_FMT
, u
->uid
) < 0)
316 int user_node_enumerator(sd_bus
*bus
, const char *path
, void *userdata
, char ***nodes
, sd_bus_error
*error
) {
317 _cleanup_strv_free_
char **l
= NULL
;
318 sd_bus_message
*message
;
319 Manager
*m
= userdata
;
328 HASHMAP_FOREACH(user
, m
->users
, i
) {
331 p
= user_bus_path(user
);
335 r
= strv_consume(&l
, p
);
340 message
= sd_bus_get_current_message(bus
);
342 _cleanup_bus_creds_unref_ sd_bus_creds
*creds
= NULL
;
345 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_OWNER_UID
|SD_BUS_CREDS_AUGMENT
, &creds
);
347 r
= sd_bus_creds_get_owner_uid(creds
, &uid
);
349 user
= hashmap_get(m
->users
, UID_TO_PTR(uid
));
351 r
= strv_extend(&l
, "/org/freedesktop/login1/user/self");
365 int user_send_signal(User
*u
, bool new_user
) {
366 _cleanup_free_
char *p
= NULL
;
370 p
= user_bus_path(u
);
374 return sd_bus_emit_signal(
376 "/org/freedesktop/login1",
377 "org.freedesktop.login1.Manager",
378 new_user
? "UserNew" : "UserRemoved",
379 "uo", (uint32_t) u
->uid
, p
);
382 int user_send_changed(User
*u
, const char *properties
, ...) {
383 _cleanup_free_
char *p
= NULL
;
391 p
= user_bus_path(u
);
395 l
= strv_from_stdarg_alloca(properties
);
397 return sd_bus_emit_properties_changed_strv(u
->manager
->bus
, p
, "org.freedesktop.login1.User", l
);