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"
30 static int property_get_display(
33 const char *interface,
35 sd_bus_message *reply,
37 sd_bus_error *error) {
39 _cleanup_free_ char *p = NULL;
46 p = u->display ? session_bus_path(u->display) : strdup("/");
50 return sd_bus_message_append(reply, "(so)", u->display ? u->display->id : "", p);
53 static int property_get_state(
56 const char *interface,
58 sd_bus_message *reply,
60 sd_bus_error *error) {
68 return sd_bus_message_append(reply, "s", user_state_to_string(user_get_state(u)));
71 static int property_get_sessions(
74 const char *interface,
76 sd_bus_message *reply,
78 sd_bus_error *error) {
88 r = sd_bus_message_open_container(reply, 'a', "(so)");
92 LIST_FOREACH(sessions_by_user, session, u->sessions) {
93 _cleanup_free_ char *p = NULL;
95 p = session_bus_path(session);
99 r = sd_bus_message_append(reply, "(so)", session->id, p);
105 r = sd_bus_message_close_container(reply);
112 static int property_get_idle_hint(
115 const char *interface,
116 const char *property,
117 sd_bus_message *reply,
119 sd_bus_error *error) {
127 return sd_bus_message_append(reply, "b", user_get_idle_hint(u, NULL) > 0);
130 static int property_get_idle_since_hint(
133 const char *interface,
134 const char *property,
135 sd_bus_message *reply,
137 sd_bus_error *error) {
147 user_get_idle_hint(u, &t);
148 k = streq(property, "IdleSinceHint") ? t.realtime : t.monotonic;
150 return sd_bus_message_append(reply, "t", k);
153 static int property_get_linger(
156 const char *interface,
157 const char *property,
158 sd_bus_message *reply,
160 sd_bus_error *error) {
169 r = user_check_linger_file(u);
171 return sd_bus_message_append(reply, "b", r > 0);
174 int bus_user_method_terminate(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
182 r = bus_verify_polkit_async(
185 "org.freedesktop.login1.manage",
188 &u->manager->polkit_registry,
193 return 1; /* Will call us back */
195 r = user_stop(u, true);
199 return sd_bus_reply_method_return(message, NULL);
202 int bus_user_method_kill(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
211 r = bus_verify_polkit_async(
214 "org.freedesktop.login1.manage",
217 &u->manager->polkit_registry,
222 return 1; /* Will call us back */
224 r = sd_bus_message_read(message, "i", &signo);
228 if (signo <= 0 || signo >= _NSIG)
229 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo);
231 r = user_kill(u, signo);
235 return sd_bus_reply_method_return(message, NULL);
238 const sd_bus_vtable user_vtable[] = {
239 SD_BUS_VTABLE_START(0),
241 SD_BUS_PROPERTY("UID", "u", bus_property_get_uid, offsetof(User, uid), SD_BUS_VTABLE_PROPERTY_CONST),
242 SD_BUS_PROPERTY("GID", "u", bus_property_get_gid, offsetof(User, gid), SD_BUS_VTABLE_PROPERTY_CONST),
243 SD_BUS_PROPERTY("Name", "s", NULL, offsetof(User, name), SD_BUS_VTABLE_PROPERTY_CONST),
244 BUS_PROPERTY_DUAL_TIMESTAMP("Timestamp", offsetof(User, timestamp), SD_BUS_VTABLE_PROPERTY_CONST),
245 SD_BUS_PROPERTY("RuntimePath", "s", NULL, offsetof(User, runtime_path), SD_BUS_VTABLE_PROPERTY_CONST),
246 SD_BUS_PROPERTY("Service", "s", NULL, offsetof(User, service), SD_BUS_VTABLE_PROPERTY_CONST),
247 SD_BUS_PROPERTY("Slice", "s", NULL, offsetof(User, slice), SD_BUS_VTABLE_PROPERTY_CONST),
248 SD_BUS_PROPERTY("Display", "(so)", property_get_display, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
249 SD_BUS_PROPERTY("State", "s", property_get_state, 0, 0),
250 SD_BUS_PROPERTY("Sessions", "a(so)", property_get_sessions, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
251 SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
252 SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
253 SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
254 SD_BUS_PROPERTY("Linger", "b", property_get_linger, 0, 0),
256 SD_BUS_METHOD("Terminate", NULL, NULL, bus_user_method_terminate, SD_BUS_VTABLE_UNPRIVILEGED),
257 SD_BUS_METHOD("Kill", "i", NULL, bus_user_method_kill, SD_BUS_VTABLE_UNPRIVILEGED),
262 int user_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
263 Manager *m = userdata;
274 if (streq(path, "/org/freedesktop/login1/user/self")) {
275 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
276 sd_bus_message *message;
278 message = sd_bus_get_current_message(bus);
282 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds);
286 r = sd_bus_creds_get_owner_uid(creds, &uid);
290 p = startswith(path, "/org/freedesktop/login1/user/_");
294 r = parse_uid(p, &uid);
299 user = hashmap_get(m->users, UID_TO_PTR(uid));
307 char *user_bus_path(User *u) {
312 if (asprintf(&s, "/org/freedesktop/login1/user/_"UID_FMT, u->uid) < 0)
318 int user_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) {
319 _cleanup_strv_free_ char **l = NULL;
320 sd_bus_message *message;
321 Manager *m = userdata;
330 HASHMAP_FOREACH(user, m->users, i) {
333 p = user_bus_path(user);
337 r = strv_consume(&l, p);
342 message = sd_bus_get_current_message(bus);
344 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
347 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds);
349 r = sd_bus_creds_get_owner_uid(creds, &uid);
351 user = hashmap_get(m->users, UID_TO_PTR(uid));
353 r = strv_extend(&l, "/org/freedesktop/login1/user/self");
367 int user_send_signal(User *u, bool new_user) {
368 _cleanup_free_ char *p = NULL;
372 p = user_bus_path(u);
376 return sd_bus_emit_signal(
378 "/org/freedesktop/login1",
379 "org.freedesktop.login1.Manager",
380 new_user ? "UserNew" : "UserRemoved",
381 "uo", (uint32_t) u->uid, p);
384 int user_send_changed(User *u, const char *properties, ...) {
385 _cleanup_free_ char *p = NULL;
393 p = user_bus_path(u);
397 l = strv_from_stdarg_alloca(properties);
399 return sd_bus_emit_properties_changed_strv(u->manager->bus, p, "org.freedesktop.login1.User", l);