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/>.
28 #include "logind-user.h"
29 #include "formats-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 r = sd_bus_message_close_container(reply);
113 static int property_get_idle_hint(
116 const char *interface,
117 const char *property,
118 sd_bus_message *reply,
120 sd_bus_error *error) {
128 return sd_bus_message_append(reply, "b", user_get_idle_hint(u, NULL) > 0);
131 static int property_get_idle_since_hint(
134 const char *interface,
135 const char *property,
136 sd_bus_message *reply,
138 sd_bus_error *error) {
148 user_get_idle_hint(u, &t);
149 k = streq(property, "IdleSinceHint") ? t.realtime : t.monotonic;
151 return sd_bus_message_append(reply, "t", k);
154 static int property_get_linger(
157 const char *interface,
158 const char *property,
159 sd_bus_message *reply,
161 sd_bus_error *error) {
170 r = user_check_linger_file(u);
172 return sd_bus_message_append(reply, "b", r > 0);
175 int bus_user_method_terminate(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
183 r = bus_verify_polkit_async(
186 "org.freedesktop.login1.manage",
189 &u->manager->polkit_registry,
194 return 1; /* Will call us back */
196 r = user_stop(u, true);
200 return sd_bus_reply_method_return(message, NULL);
203 int bus_user_method_kill(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
212 r = bus_verify_polkit_async(
215 "org.freedesktop.login1.manage",
218 &u->manager->polkit_registry,
223 return 1; /* Will call us back */
225 r = sd_bus_message_read(message, "i", &signo);
229 if (signo <= 0 || signo >= _NSIG)
230 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo);
232 r = user_kill(u, signo);
236 return sd_bus_reply_method_return(message, NULL);
239 const sd_bus_vtable user_vtable[] = {
240 SD_BUS_VTABLE_START(0),
242 SD_BUS_PROPERTY("UID", "u", bus_property_get_uid, offsetof(User, uid), SD_BUS_VTABLE_PROPERTY_CONST),
243 SD_BUS_PROPERTY("GID", "u", bus_property_get_gid, offsetof(User, gid), SD_BUS_VTABLE_PROPERTY_CONST),
244 SD_BUS_PROPERTY("Name", "s", NULL, offsetof(User, name), SD_BUS_VTABLE_PROPERTY_CONST),
245 BUS_PROPERTY_DUAL_TIMESTAMP("Timestamp", offsetof(User, timestamp), SD_BUS_VTABLE_PROPERTY_CONST),
246 SD_BUS_PROPERTY("RuntimePath", "s", NULL, offsetof(User, runtime_path), SD_BUS_VTABLE_PROPERTY_CONST),
247 SD_BUS_PROPERTY("Service", "s", NULL, offsetof(User, service), SD_BUS_VTABLE_PROPERTY_CONST),
248 SD_BUS_PROPERTY("Slice", "s", NULL, offsetof(User, slice), SD_BUS_VTABLE_PROPERTY_CONST),
249 SD_BUS_PROPERTY("Display", "(so)", property_get_display, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
250 SD_BUS_PROPERTY("State", "s", property_get_state, 0, 0),
251 SD_BUS_PROPERTY("Sessions", "a(so)", property_get_sessions, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
252 SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
253 SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
254 SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
255 SD_BUS_PROPERTY("Linger", "b", property_get_linger, 0, 0),
257 SD_BUS_METHOD("Terminate", NULL, NULL, bus_user_method_terminate, SD_BUS_VTABLE_UNPRIVILEGED),
258 SD_BUS_METHOD("Kill", "i", NULL, bus_user_method_kill, SD_BUS_VTABLE_UNPRIVILEGED),
263 int user_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
264 Manager *m = userdata;
275 if (streq(path, "/org/freedesktop/login1/user/self")) {
276 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
277 sd_bus_message *message;
279 message = sd_bus_get_current_message(bus);
283 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds);
287 r = sd_bus_creds_get_owner_uid(creds, &uid);
291 p = startswith(path, "/org/freedesktop/login1/user/_");
295 r = parse_uid(p, &uid);
300 user = hashmap_get(m->users, UID_TO_PTR(uid));
308 char *user_bus_path(User *u) {
313 if (asprintf(&s, "/org/freedesktop/login1/user/_"UID_FMT, u->uid) < 0)
319 int user_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) {
320 _cleanup_strv_free_ char **l = NULL;
321 sd_bus_message *message;
322 Manager *m = userdata;
331 HASHMAP_FOREACH(user, m->users, i) {
334 p = user_bus_path(user);
338 r = strv_consume(&l, p);
343 message = sd_bus_get_current_message(bus);
345 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
348 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds);
350 r = sd_bus_creds_get_owner_uid(creds, &uid);
352 user = hashmap_get(m->users, UID_TO_PTR(uid));
354 r = strv_extend(&l, "/org/freedesktop/login1/user/self");
368 int user_send_signal(User *u, bool new_user) {
369 _cleanup_free_ char *p = NULL;
373 p = user_bus_path(u);
377 return sd_bus_emit_signal(
379 "/org/freedesktop/login1",
380 "org.freedesktop.login1.Manager",
381 new_user ? "UserNew" : "UserRemoved",
382 "uo", (uint32_t) u->uid, p);
385 int user_send_changed(User *u, const char *properties, ...) {
386 _cleanup_free_ char *p = NULL;
394 p = user_bus_path(u);
398 l = strv_from_stdarg_alloca(properties);
400 return sd_bus_emit_properties_changed_strv(u->manager->bus, p, "org.freedesktop.login1.User", l);