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_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_message *message, void *userdata, sd_bus_error *error) {
210 r = bus_verify_polkit_async(
213 "org.freedesktop.login1.manage",
216 &u->manager->polkit_registry,
221 return 1; /* Will call us back */
223 r = sd_bus_message_read(message, "i", &signo);
227 if (signo <= 0 || signo >= _NSIG)
228 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo);
230 r = user_kill(u, signo);
234 return sd_bus_reply_method_return(message, NULL);
237 const sd_bus_vtable user_vtable[] = {
238 SD_BUS_VTABLE_START(0),
240 SD_BUS_PROPERTY("UID", "u", bus_property_get_uid, offsetof(User, uid), SD_BUS_VTABLE_PROPERTY_CONST),
241 SD_BUS_PROPERTY("GID", "u", bus_property_get_gid, offsetof(User, gid), SD_BUS_VTABLE_PROPERTY_CONST),
242 SD_BUS_PROPERTY("Name", "s", NULL, offsetof(User, name), SD_BUS_VTABLE_PROPERTY_CONST),
243 BUS_PROPERTY_DUAL_TIMESTAMP("Timestamp", offsetof(User, timestamp), SD_BUS_VTABLE_PROPERTY_CONST),
244 SD_BUS_PROPERTY("RuntimePath", "s", NULL, offsetof(User, runtime_path), SD_BUS_VTABLE_PROPERTY_CONST),
245 SD_BUS_PROPERTY("Service", "s", NULL, offsetof(User, service), SD_BUS_VTABLE_PROPERTY_CONST),
246 SD_BUS_PROPERTY("Slice", "s", NULL, offsetof(User, slice), SD_BUS_VTABLE_PROPERTY_CONST),
247 SD_BUS_PROPERTY("Display", "(so)", property_get_display, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
248 SD_BUS_PROPERTY("State", "s", property_get_state, 0, 0),
249 SD_BUS_PROPERTY("Sessions", "a(so)", property_get_sessions, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
250 SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
251 SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
252 SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
253 SD_BUS_PROPERTY("Linger", "b", property_get_linger, 0, 0),
255 SD_BUS_METHOD("Terminate", NULL, NULL, bus_user_method_terminate, SD_BUS_VTABLE_UNPRIVILEGED),
256 SD_BUS_METHOD("Kill", "i", NULL, bus_user_method_kill, SD_BUS_VTABLE_UNPRIVILEGED),
261 int user_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
262 Manager *m = userdata;
273 if (streq(path, "/org/freedesktop/login1/user/self")) {
274 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
275 sd_bus_message *message;
277 message = sd_bus_get_current_message(bus);
281 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds);
285 r = sd_bus_creds_get_owner_uid(creds, &uid);
289 p = startswith(path, "/org/freedesktop/login1/user/_");
293 r = parse_uid(p, &uid);
298 user = hashmap_get(m->users, UID_TO_PTR(uid));
306 char *user_bus_path(User *u) {
311 if (asprintf(&s, "/org/freedesktop/login1/user/_"UID_FMT, u->uid) < 0)
317 int user_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) {
318 _cleanup_strv_free_ char **l = NULL;
319 sd_bus_message *message;
320 Manager *m = userdata;
329 HASHMAP_FOREACH(user, m->users, i) {
332 p = user_bus_path(user);
336 r = strv_consume(&l, p);
341 message = sd_bus_get_current_message(bus);
343 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
346 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds);
348 r = sd_bus_creds_get_owner_uid(creds, &uid);
350 user = hashmap_get(m->users, UID_TO_PTR(uid));
352 r = strv_extend(&l, "/org/freedesktop/login1/user/self");
366 int user_send_signal(User *u, bool new_user) {
367 _cleanup_free_ char *p = NULL;
371 p = user_bus_path(u);
375 return sd_bus_emit_signal(
377 "/org/freedesktop/login1",
378 "org.freedesktop.login1.Manager",
379 new_user ? "UserNew" : "UserRemoved",
380 "uo", (uint32_t) u->uid, p);
383 int user_send_changed(User *u, const char *properties, ...) {
384 _cleanup_free_ char *p = NULL;
392 p = user_bus_path(u);
396 l = strv_from_stdarg_alloca(properties);
398 return sd_bus_emit_properties_changed_strv(u->manager->bus, p, "org.freedesktop.login1.User", l);