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 General Public License as published by
10 the Free Software Foundation; either version 2 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 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
26 #include "logind-user.h"
27 #include "dbus-common.h"
29 #define BUS_USER_INTERFACE \
30 " <interface name=\"org.freedesktop.login1.User\">\n" \
31 " <method name=\"Terminate\"/>\n" \
32 " <property name=\"UID\" type=\"u\" access=\"read\"/>\n" \
33 " <property name=\"GID\" type=\"u\" access=\"read\"/>\n" \
34 " <property name=\"Name\" type=\"s\" access=\"read\"/>\n" \
35 " <property name=\"Timestamp\" type=\"t\" access=\"read\"/>\n" \
36 " <property name=\"TimestampMonotonic\" type=\"t\" access=\"read\"/>\n" \
37 " <property name=\"RuntimePath\" type=\"s\" access=\"read\"/>\n" \
38 " <property name=\"ControlGroupPath\" type=\"s\" access=\"read\"/>\n" \
39 " <property name=\"Service\" type=\"s\" access=\"read\"/>\n" \
40 " <property name=\"Display\" type=\"(so)\" access=\"read\"/>\n" \
41 " <property name=\"State\" type=\"s\" access=\"read\"/>\n" \
42 " <property name=\"Sessions\" type=\"a(so)\" access=\"read\"/>\n" \
43 " <property name=\"IdleHint\" type=\"b\" access=\"read\"/>\n" \
44 " <property name=\"IdleSinceHint\" type=\"t\" access=\"read\"/>\n" \
45 " <property name=\"IdleSinceHintMonotonic\" type=\"t\" access=\"read\"/>\n" \
48 #define INTROSPECTION \
49 DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
52 BUS_PROPERTIES_INTERFACE \
54 BUS_INTROSPECTABLE_INTERFACE \
57 #define INTERFACES_LIST \
58 BUS_GENERIC_INTERFACES_LIST \
59 "org.freedesktop.login1.User\0"
61 static int bus_user_append_display(DBusMessageIter *i, const char *property, void *data) {
64 const char *id, *path;
71 if (!dbus_message_iter_open_container(i, DBUS_TYPE_STRUCT, NULL, &sub))
76 path = p = session_bus_path(u->display);
85 if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &id) ||
86 !dbus_message_iter_append_basic(&sub, DBUS_TYPE_OBJECT_PATH, &path)) {
93 if (!dbus_message_iter_close_container(i, &sub))
99 static int bus_user_append_state(DBusMessageIter *i, const char *property, void *data) {
107 state = user_state_to_string(user_get_state(u));
109 if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &state))
115 static int bus_user_append_sessions(DBusMessageIter *i, const char *property, void *data) {
116 DBusMessageIter sub, sub2;
124 if (!dbus_message_iter_open_container(i, DBUS_TYPE_ARRAY, "(so)", &sub))
127 LIST_FOREACH(sessions_by_user, session, u->sessions) {
130 if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
133 p = session_bus_path(session);
137 if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &session->id) ||
138 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p)) {
145 if (!dbus_message_iter_close_container(&sub, &sub2))
149 if (!dbus_message_iter_close_container(i, &sub))
155 static int bus_user_append_idle_hint(DBusMessageIter *i, const char *property, void *data) {
163 b = user_get_idle_hint(u, NULL) > 0;
165 if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b))
171 static int bus_user_append_idle_hint_since(DBusMessageIter *i, const char *property, void *data) {
180 user_get_idle_hint(u, &t);
181 k = streq(property, "IdleSinceHint") ? t.realtime : t.monotonic;
183 if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT64, &k))
189 static int get_user_for_path(Manager *m, const char *path, User **_u) {
198 if (!startswith(path, "/org/freedesktop/login1/user/"))
201 r = safe_atolu(path + 29, &lu);
205 u = hashmap_get(m->users, ULONG_TO_PTR(lu));
213 static DBusHandlerResult user_message_dispatch(
215 DBusConnection *connection,
216 DBusMessage *message) {
218 const BusProperty properties[] = {
219 { "org.freedesktop.login1.User", "UID", bus_property_append_uid, "u", &u->uid },
220 { "org.freedesktop.login1.User", "GID", bus_property_append_gid, "u", &u->gid },
221 { "org.freedesktop.login1.User", "Name", bus_property_append_string, "s", u->name },
222 { "org.freedesktop.login1.User", "Timestamp", bus_property_append_usec, "t", &u->timestamp.realtime },
223 { "org.freedesktop.login1.User", "TimestampMonotonic", bus_property_append_usec, "t", &u->timestamp.monotonic },
224 { "org.freedesktop.login1.User", "RuntimePath", bus_property_append_string, "s", u->runtime_path },
225 { "org.freedesktop.login1.User", "ControlGroupPath", bus_property_append_string, "s", u->cgroup_path },
226 { "org.freedesktop.login1.User", "Service", bus_property_append_string, "s", u->service },
227 { "org.freedesktop.login1.User", "Display", bus_user_append_display, "(so)", u },
228 { "org.freedesktop.login1.User", "State", bus_user_append_state, "s", u },
229 { "org.freedesktop.login1.User", "Sessions", bus_user_append_sessions, "a(so)", u },
230 { "org.freedesktop.login1.User", "IdleHint", bus_user_append_idle_hint, "b", u },
231 { "org.freedesktop.login1.User", "IdleSinceHint", bus_user_append_idle_hint_since, "t", u },
232 { "org.freedesktop.login1.User", "IdleSinceHintMonotonic", bus_user_append_idle_hint_since, "t", u },
233 { NULL, NULL, NULL, NULL, NULL }
237 DBusMessage *reply = NULL;
244 if (dbus_message_is_method_call(message, "org.freedesktop.login1.User", "Terminate")) {
248 return bus_send_error_reply(connection, message, NULL, r);
250 reply = dbus_message_new_method_return(message);
254 return bus_default_message_handler(connection, message, INTROSPECTION, INTERFACES_LIST, properties);
257 if (!dbus_connection_send(connection, reply, NULL))
260 dbus_message_unref(reply);
263 return DBUS_HANDLER_RESULT_HANDLED;
267 dbus_message_unref(reply);
269 dbus_error_free(&error);
271 return DBUS_HANDLER_RESULT_NEED_MEMORY;
274 static DBusHandlerResult user_message_handler(
275 DBusConnection *connection,
276 DBusMessage *message,
279 Manager *m = userdata;
283 r = get_user_for_path(m, dbus_message_get_path(message), &u);
287 return DBUS_HANDLER_RESULT_NEED_MEMORY;
293 dbus_set_error_const(&e, DBUS_ERROR_UNKNOWN_OBJECT, "Unknown user");
294 return bus_send_error_reply(connection, message, &e, r);
297 return bus_send_error_reply(connection, message, NULL, r);
300 return user_message_dispatch(u, connection, message);
303 const DBusObjectPathVTable bus_user_vtable = {
304 .message_function = user_message_handler
307 char *user_bus_path(User *u) {
312 if (asprintf(&s, "/org/freedesktop/login1/user/%llu", (unsigned long long) u->uid) < 0)
318 int user_send_signal(User *u, bool new_user) {
326 m = dbus_message_new_signal("/org/freedesktop/login1",
327 "org.freedesktop.login1.Manager",
328 new_user ? "UserNew" : "UserRemoved");
333 p = user_bus_path(u);
339 if (!dbus_message_append_args(
341 DBUS_TYPE_UINT32, &uid,
342 DBUS_TYPE_OBJECT_PATH, &p,
346 if (!dbus_connection_send(u->manager->bus, m, NULL))
352 dbus_message_unref(m);
358 int user_send_changed(User *u, const char *properties) {
368 p = user_bus_path(u);
372 m = bus_properties_changed_new(p, "org.freedesktop.login1.User", properties);
376 if (!dbus_connection_send(u->manager->bus, m, NULL))
383 dbus_message_unref(m);