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/>.
24 #include <sys/capability.h>
29 #include "logind-user.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 static int method_terminate(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
187 return sd_bus_reply_method_return(message, NULL);
190 static int method_kill(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
199 r = sd_bus_message_read(message, "i", &signo);
203 if (signo <= 0 || signo >= _NSIG)
204 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo);
206 r = user_kill(u, signo);
210 return sd_bus_reply_method_return(message, NULL);
213 const sd_bus_vtable user_vtable[] = {
214 SD_BUS_VTABLE_START(0),
216 SD_BUS_PROPERTY("UID", "u", bus_property_get_uid, offsetof(User, uid), 0),
217 SD_BUS_PROPERTY("GID", "u", bus_property_get_gid, offsetof(User, gid), 0),
218 SD_BUS_PROPERTY("Name", "s", NULL, offsetof(User, name), 0),
219 SD_BUS_PROPERTY("Timestamp", "t", NULL, offsetof(User, timestamp.realtime), 0),
220 SD_BUS_PROPERTY("TimestampMonotonic", "t", NULL, offsetof(User, timestamp.monotonic), 0),
221 SD_BUS_PROPERTY("RuntimePath", "s", NULL, offsetof(User, runtime_path), 0),
222 SD_BUS_PROPERTY("Service", "s", NULL, offsetof(User, service), 0),
223 SD_BUS_PROPERTY("Slice", "s", NULL, offsetof(User, slice), 0),
224 SD_BUS_PROPERTY("Display", "(so)", property_get_display, 0, 0),
225 SD_BUS_PROPERTY("State", "s", property_get_state, 0, 0),
226 SD_BUS_PROPERTY("Sessions", "a(so)", property_get_sessions, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
227 SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
228 SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
229 SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
230 SD_BUS_PROPERTY("Linger", "b", property_get_linger, 0, 0),
232 SD_BUS_METHOD("Terminate", NULL, NULL, method_terminate, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
233 SD_BUS_METHOD("Kill", "i", NULL, method_kill, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
238 int user_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
239 Manager *m = userdata;
249 if (streq(path, "/org/freedesktop/login1/user/self")) {
250 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
251 sd_bus_message *message;
254 message = sd_bus_get_current(bus);
258 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
262 r = sd_bus_creds_get_pid(creds, &pid);
266 r = manager_get_user_by_pid(m, pid, &user);
273 p = startswith(path, "/org/freedesktop/login1/user/_");
277 r = safe_atolu(p, &lu);
281 user = hashmap_get(m->users, ULONG_TO_PTR(lu));
290 char *user_bus_path(User *u) {
295 if (asprintf(&s, "/org/freedesktop/login1/user/_%llu", (unsigned long long) u->uid) < 0)
301 int user_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) {
302 _cleanup_strv_free_ char **l = NULL;
303 Manager *m = userdata;
312 HASHMAP_FOREACH(user, m->users, i) {
315 p = user_bus_path(user);
319 r = strv_push(&l, p);
332 int user_send_signal(User *u, bool new_user) {
333 _cleanup_free_ char *p = NULL;
337 p = user_bus_path(u);
341 return sd_bus_emit_signal(
343 "/org/freedesktop/login1",
344 "org.freedesktop.login1.Manager",
345 new_user ? "UserNew" : "UserRemoved",
346 "uo", (uint32_t) u->uid, p);
349 int user_send_changed(User *u, const char *properties, ...) {
350 _cleanup_free_ char *p = NULL;
358 p = user_bus_path(u);
362 l = strv_from_stdarg_alloca(properties);
364 return sd_bus_emit_properties_changed_strv(u->manager->bus, p, "org.freedesktop.login1.User", l);