1 /* SPDX-License-Identifier: LGPL-2.1+ */
3 Copyright 2011 Lennart Poettering
9 #include "alloc-util.h"
11 #include "format-util.h"
12 #include "logind-user.h"
14 #include "signal-util.h"
16 #include "user-util.h"
18 static BUS_DEFINE_PROPERTY_GET2(property_get_state, "s", User, user_get_state, user_state_to_string);
20 static int property_get_display(
23 const char *interface,
25 sd_bus_message *reply,
27 sd_bus_error *error) {
29 _cleanup_free_ char *p = NULL;
36 p = u->display ? session_bus_path(u->display) : strdup("/");
40 return sd_bus_message_append(reply, "(so)", u->display ? u->display->id : "", p);
43 static int property_get_sessions(
46 const char *interface,
48 sd_bus_message *reply,
50 sd_bus_error *error) {
60 r = sd_bus_message_open_container(reply, 'a', "(so)");
64 LIST_FOREACH(sessions_by_user, session, u->sessions) {
65 _cleanup_free_ char *p = NULL;
67 p = session_bus_path(session);
71 r = sd_bus_message_append(reply, "(so)", session->id, p);
77 return sd_bus_message_close_container(reply);
80 static int property_get_idle_hint(
83 const char *interface,
85 sd_bus_message *reply,
87 sd_bus_error *error) {
95 return sd_bus_message_append(reply, "b", user_get_idle_hint(u, NULL) > 0);
98 static int property_get_idle_since_hint(
101 const char *interface,
102 const char *property,
103 sd_bus_message *reply,
105 sd_bus_error *error) {
108 dual_timestamp t = DUAL_TIMESTAMP_NULL;
115 user_get_idle_hint(u, &t);
116 k = streq(property, "IdleSinceHint") ? t.realtime : t.monotonic;
118 return sd_bus_message_append(reply, "t", k);
121 static int property_get_linger(
124 const char *interface,
125 const char *property,
126 sd_bus_message *reply,
128 sd_bus_error *error) {
137 r = user_check_linger_file(u);
139 return sd_bus_message_append(reply, "b", r > 0);
142 int bus_user_method_terminate(sd_bus_message *message, void *userdata, sd_bus_error *error) {
149 r = bus_verify_polkit_async(
152 "org.freedesktop.login1.manage",
156 &u->manager->polkit_registry,
161 return 1; /* Will call us back */
163 r = user_stop(u, true);
167 return sd_bus_reply_method_return(message, NULL);
170 int bus_user_method_kill(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 = sd_bus_message_read(message, "i", &signo);
196 if (!SIGNAL_VALID(signo))
197 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo);
199 r = user_kill(u, signo);
203 return sd_bus_reply_method_return(message, NULL);
206 const sd_bus_vtable user_vtable[] = {
207 SD_BUS_VTABLE_START(0),
209 SD_BUS_PROPERTY("UID", "u", bus_property_get_uid, offsetof(User, uid), SD_BUS_VTABLE_PROPERTY_CONST),
210 SD_BUS_PROPERTY("GID", "u", bus_property_get_gid, offsetof(User, gid), SD_BUS_VTABLE_PROPERTY_CONST),
211 SD_BUS_PROPERTY("Name", "s", NULL, offsetof(User, name), SD_BUS_VTABLE_PROPERTY_CONST),
212 BUS_PROPERTY_DUAL_TIMESTAMP("Timestamp", offsetof(User, timestamp), SD_BUS_VTABLE_PROPERTY_CONST),
213 SD_BUS_PROPERTY("RuntimePath", "s", NULL, offsetof(User, runtime_path), SD_BUS_VTABLE_PROPERTY_CONST),
214 SD_BUS_PROPERTY("Service", "s", NULL, offsetof(User, service), SD_BUS_VTABLE_PROPERTY_CONST),
215 SD_BUS_PROPERTY("Slice", "s", NULL, offsetof(User, slice), SD_BUS_VTABLE_PROPERTY_CONST),
216 SD_BUS_PROPERTY("Display", "(so)", property_get_display, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
217 SD_BUS_PROPERTY("State", "s", property_get_state, 0, 0),
218 SD_BUS_PROPERTY("Sessions", "a(so)", property_get_sessions, 0, 0),
219 SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
220 SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
221 SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
222 SD_BUS_PROPERTY("Linger", "b", property_get_linger, 0, 0),
224 SD_BUS_METHOD("Terminate", NULL, NULL, bus_user_method_terminate, SD_BUS_VTABLE_UNPRIVILEGED),
225 SD_BUS_METHOD("Kill", "i", NULL, bus_user_method_kill, SD_BUS_VTABLE_UNPRIVILEGED),
230 int user_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
231 Manager *m = userdata;
242 if (streq(path, "/org/freedesktop/login1/user/self")) {
243 sd_bus_message *message;
245 message = sd_bus_get_current_message(bus);
249 r = manager_get_user_from_creds(m, message, UID_INVALID, error, &user);
255 p = startswith(path, "/org/freedesktop/login1/user/_");
259 r = parse_uid(p, &uid);
263 user = hashmap_get(m->users, UID_TO_PTR(uid));
272 char *user_bus_path(User *u) {
277 if (asprintf(&s, "/org/freedesktop/login1/user/_"UID_FMT, u->uid) < 0)
283 int user_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) {
284 _cleanup_strv_free_ char **l = NULL;
285 sd_bus_message *message;
286 Manager *m = userdata;
295 HASHMAP_FOREACH(user, m->users, i) {
298 p = user_bus_path(user);
302 r = strv_consume(&l, p);
307 message = sd_bus_get_current_message(bus);
309 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
312 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds);
314 r = sd_bus_creds_get_owner_uid(creds, &uid);
316 user = hashmap_get(m->users, UID_TO_PTR(uid));
318 r = strv_extend(&l, "/org/freedesktop/login1/user/self");
326 *nodes = TAKE_PTR(l);
331 int user_send_signal(User *u, bool new_user) {
332 _cleanup_free_ char *p = NULL;
336 p = user_bus_path(u);
340 return sd_bus_emit_signal(
342 "/org/freedesktop/login1",
343 "org.freedesktop.login1.Manager",
344 new_user ? "UserNew" : "UserRemoved",
345 "uo", (uint32_t) u->uid, p);
348 int user_send_changed(User *u, const char *properties, ...) {
349 _cleanup_free_ char *p = NULL;
357 p = user_bus_path(u);
361 l = strv_from_stdarg_alloca(properties);
363 return sd_bus_emit_properties_changed_strv(u->manager->bus, p, "org.freedesktop.login1.User", l);