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);