1 /* SPDX-License-Identifier: LGPL-2.1+ */
3 This file is part of systemd.
5 Copyright 2011 Lennart Poettering
7 systemd is free software; you can redistribute it and/or modify it
8 under the terms of the GNU Lesser General Public License as published by
9 the Free Software Foundation; either version 2.1 of the License, or
10 (at your option) any later version.
12 systemd is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 Lesser General Public License for more details.
17 You should have received a copy of the GNU Lesser General Public License
18 along with systemd; If not, see <http://www.gnu.org/licenses/>.
26 #include "sd-messages.h"
28 #include "alloc-util.h"
29 #include "audit-util.h"
30 #include "bus-common-errors.h"
31 #include "bus-error.h"
33 #include "dirent-util.h"
34 //#include "efivars.h"
37 #include "fileio-label.h"
38 #include "format-util.h"
42 #include "path-util.h"
43 #include "process-util.h"
44 //#include "cgroup-util.h"
45 #include "selinux-util.h"
46 #include "sleep-config.h"
47 //#include "special.h"
49 #include "terminal-util.h"
50 #include "udev-util.h"
51 #include "unit-name.h"
52 #include "user-util.h"
53 #include "utmp-wtmp.h"
55 /// Additional includes needed by elogind
56 #include "elogind-dbus.h"
58 static int get_sender_session(Manager *m, sd_bus_message *message, sd_bus_error *error, Session **ret) {
60 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
65 /* Get client login session. This is not what you are looking for these days,
66 * as apps may instead belong to a user service unit. This includes terminal
67 * emulators and hence command-line apps. */
68 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_SESSION|SD_BUS_CREDS_AUGMENT, &creds);
72 r = sd_bus_creds_get_session(creds, &name);
78 session = hashmap_get(m->sessions, name);
86 return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID,
87 "Caller does not belong to any known session");
90 int manager_get_session_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Session **ret) {
98 return get_sender_session(m, message, error, ret);
100 session = hashmap_get(m->sessions, name);
102 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
108 static int get_sender_user(Manager *m, sd_bus_message *message, sd_bus_error *error, User **ret) {
110 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
115 /* Note that we get the owner UID of the session, not the actual client UID here! */
116 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds);
120 r = sd_bus_creds_get_owner_uid(creds, &uid);
126 user = hashmap_get(m->users, UID_TO_PTR(uid));
134 return sd_bus_error_setf(error, BUS_ERROR_NO_USER_FOR_PID, "Caller does not belong to any logged in user or lingering user");
137 int manager_get_user_from_creds(Manager *m, sd_bus_message *message, uid_t uid, sd_bus_error *error, User **ret) {
144 if (!uid_is_valid(uid))
145 return get_sender_user(m, message, error, ret);
147 user = hashmap_get(m->users, UID_TO_PTR(uid));
149 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "User ID "UID_FMT" is not logged in or lingering", uid);
155 int manager_get_seat_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Seat **ret) {
166 r = manager_get_session_from_creds(m, message, NULL, error, &session);
170 seat = session->seat;
172 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "Session has no seat.");
174 seat = hashmap_get(m->seats, name);
176 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name);
183 static int property_get_idle_hint(
186 const char *interface,
187 const char *property,
188 sd_bus_message *reply,
190 sd_bus_error *error) {
192 Manager *m = userdata;
198 return sd_bus_message_append(reply, "b", manager_get_idle_hint(m, NULL) > 0);
201 static int property_get_idle_since_hint(
204 const char *interface,
205 const char *property,
206 sd_bus_message *reply,
208 sd_bus_error *error) {
210 Manager *m = userdata;
211 dual_timestamp t = DUAL_TIMESTAMP_NULL;
217 manager_get_idle_hint(m, &t);
219 return sd_bus_message_append(reply, "t", streq(property, "IdleSinceHint") ? t.realtime : t.monotonic);
222 static int property_get_inhibited(
225 const char *interface,
226 const char *property,
227 sd_bus_message *reply,
229 sd_bus_error *error) {
231 Manager *m = userdata;
238 w = manager_inhibit_what(m, streq(property, "BlockInhibited") ? INHIBIT_BLOCK : INHIBIT_DELAY);
240 return sd_bus_message_append(reply, "s", inhibit_what_to_string(w));
243 static int property_get_preparing(
246 const char *interface,
247 const char *property,
248 sd_bus_message *reply,
250 sd_bus_error *error) {
252 Manager *m = userdata;
259 if (streq(property, "PreparingForShutdown"))
260 b = !!(m->action_what & INHIBIT_SHUTDOWN);
262 b = !!(m->action_what & INHIBIT_SLEEP);
264 return sd_bus_message_append(reply, "b", b);
267 static int property_get_scheduled_shutdown(
270 const char *interface,
271 const char *property,
272 sd_bus_message *reply,
274 sd_bus_error *error) {
276 Manager *m = userdata;
283 r = sd_bus_message_open_container(reply, 'r', "st");
287 r = sd_bus_message_append(reply, "st", m->scheduled_shutdown_type, m->scheduled_shutdown_timeout);
291 return sd_bus_message_close_container(reply);
294 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_handle_action, handle_action, HandleAction);
296 static int property_get_docked(
299 const char *interface,
300 const char *property,
301 sd_bus_message *reply,
303 sd_bus_error *error) {
305 Manager *m = userdata;
311 return sd_bus_message_append(reply, "b", manager_is_docked_or_external_displays(m));
314 static int property_get_current_sessions(
317 const char *interface,
318 const char *property,
319 sd_bus_message *reply,
321 sd_bus_error *error) {
323 Manager *m = userdata;
329 return sd_bus_message_append(reply, "t", (uint64_t) hashmap_size(m->sessions));
332 static int property_get_current_inhibitors(
335 const char *interface,
336 const char *property,
337 sd_bus_message *reply,
339 sd_bus_error *error) {
341 Manager *m = userdata;
347 return sd_bus_message_append(reply, "t", (uint64_t) hashmap_size(m->inhibitors));
350 static int method_get_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
351 _cleanup_free_ char *p = NULL;
352 Manager *m = userdata;
360 r = sd_bus_message_read(message, "s", &name);
364 r = manager_get_session_from_creds(m, message, name, error, &session);
368 p = session_bus_path(session);
372 return sd_bus_reply_method_return(message, "o", p);
375 /* Get login session of a process. This is not what you are looking for these days,
376 * as apps may instead belong to a user service unit. This includes terminal
377 * emulators and hence command-line apps. */
378 static int method_get_session_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) {
379 _cleanup_free_ char *p = NULL;
380 Session *session = NULL;
381 Manager *m = userdata;
388 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
390 r = sd_bus_message_read(message, "u", &pid);
397 r = manager_get_session_from_creds(m, message, NULL, error, &session);
401 r = manager_get_session_by_pid(m, pid, &session);
406 return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, "PID "PID_FMT" does not belong to any known session", pid);
409 p = session_bus_path(session);
413 return sd_bus_reply_method_return(message, "o", p);
416 static int method_get_user(sd_bus_message *message, void *userdata, sd_bus_error *error) {
417 _cleanup_free_ char *p = NULL;
418 Manager *m = userdata;
426 r = sd_bus_message_read(message, "u", &uid);
430 r = manager_get_user_from_creds(m, message, uid, error, &user);
434 p = user_bus_path(user);
438 return sd_bus_reply_method_return(message, "o", p);
441 static int method_get_user_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) {
442 _cleanup_free_ char *p = NULL;
443 Manager *m = userdata;
451 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
453 r = sd_bus_message_read(message, "u", &pid);
460 r = manager_get_user_from_creds(m, message, UID_INVALID, error, &user);
464 r = manager_get_user_by_pid(m, pid, &user);
468 return sd_bus_error_setf(error, BUS_ERROR_NO_USER_FOR_PID,
469 "PID "PID_FMT" does not belong to any logged in user or lingering user",
473 p = user_bus_path(user);
477 return sd_bus_reply_method_return(message, "o", p);
480 static int method_get_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) {
481 _cleanup_free_ char *p = NULL;
482 Manager *m = userdata;
490 r = sd_bus_message_read(message, "s", &name);
494 r = manager_get_seat_from_creds(m, message, name, error, &seat);
498 p = seat_bus_path(seat);
502 return sd_bus_reply_method_return(message, "o", p);
505 static int method_list_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) {
506 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
507 Manager *m = userdata;
515 r = sd_bus_message_new_method_return(message, &reply);
519 r = sd_bus_message_open_container(reply, 'a', "(susso)");
523 HASHMAP_FOREACH(session, m->sessions, i) {
524 _cleanup_free_ char *p = NULL;
526 p = session_bus_path(session);
530 r = sd_bus_message_append(reply, "(susso)",
532 (uint32_t) session->user->uid,
534 session->seat ? session->seat->id : "",
540 r = sd_bus_message_close_container(reply);
544 return sd_bus_send(NULL, reply, NULL);
547 static int method_list_users(sd_bus_message *message, void *userdata, sd_bus_error *error) {
548 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
549 Manager *m = userdata;
557 r = sd_bus_message_new_method_return(message, &reply);
561 r = sd_bus_message_open_container(reply, 'a', "(uso)");
565 HASHMAP_FOREACH(user, m->users, i) {
566 _cleanup_free_ char *p = NULL;
568 p = user_bus_path(user);
572 r = sd_bus_message_append(reply, "(uso)",
573 (uint32_t) user->uid,
580 r = sd_bus_message_close_container(reply);
584 return sd_bus_send(NULL, reply, NULL);
587 static int method_list_seats(sd_bus_message *message, void *userdata, sd_bus_error *error) {
588 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
589 Manager *m = userdata;
597 r = sd_bus_message_new_method_return(message, &reply);
601 r = sd_bus_message_open_container(reply, 'a', "(so)");
605 HASHMAP_FOREACH(seat, m->seats, i) {
606 _cleanup_free_ char *p = NULL;
608 p = seat_bus_path(seat);
612 r = sd_bus_message_append(reply, "(so)", seat->id, p);
617 r = sd_bus_message_close_container(reply);
621 return sd_bus_send(NULL, reply, NULL);
624 static int method_list_inhibitors(sd_bus_message *message, void *userdata, sd_bus_error *error) {
625 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
626 Manager *m = userdata;
627 Inhibitor *inhibitor;
634 r = sd_bus_message_new_method_return(message, &reply);
638 r = sd_bus_message_open_container(reply, 'a', "(ssssuu)");
642 HASHMAP_FOREACH(inhibitor, m->inhibitors, i) {
644 r = sd_bus_message_append(reply, "(ssssuu)",
645 strempty(inhibit_what_to_string(inhibitor->what)),
646 strempty(inhibitor->who),
647 strempty(inhibitor->why),
648 strempty(inhibit_mode_to_string(inhibitor->mode)),
649 (uint32_t) inhibitor->uid,
650 (uint32_t) inhibitor->pid);
655 r = sd_bus_message_close_container(reply);
659 return sd_bus_send(NULL, reply, NULL);
662 static int method_create_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
663 const char *service, *type, *class, *cseat, *tty, *display, *remote_user, *remote_host, *desktop;
664 uint32_t audit_id = 0;
665 _cleanup_free_ char *unit = NULL;
666 _cleanup_free_ char *id = NULL;
667 Session *session = NULL;
668 Manager *m = userdata;
682 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
683 assert_cc(sizeof(uid_t) == sizeof(uint32_t));
685 r = sd_bus_message_read(message, "uusssssussbss", &uid, &leader, &service, &type, &class, &desktop, &cseat, &vtnr, &tty, &display, &remote, &remote_user, &remote_host);
689 if (!uid_is_valid(uid))
690 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid UID");
691 if (leader < 0 || leader == 1)
692 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID");
695 t = _SESSION_TYPE_INVALID;
697 t = session_type_from_string(type);
699 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session type %s", type);
703 c = _SESSION_CLASS_INVALID;
705 c = session_class_from_string(class);
707 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session class %s", class);
710 if (isempty(desktop))
713 if (!string_is_safe(desktop))
714 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid desktop string %s", desktop);
720 seat = hashmap_get(m->seats, cseat);
722 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", cseat);
725 if (tty_is_vc(tty)) {
730 else if (seat != m->seat0)
731 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "TTY %s is virtual console but seat %s is not seat0", tty, seat->id);
733 v = vtnr_from_tty(tty);
735 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Cannot determine VT number from virtual console TTY %s", tty);
739 else if (vtnr != (uint32_t) v)
740 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Specified TTY and VT number do not match");
742 } else if (tty_is_console(tty)) {
746 else if (seat != m->seat0)
747 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but seat is not seat0");
750 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but VT number is not 0");
754 if (seat_has_vts(seat)) {
755 if (!vtnr || vtnr > 63)
756 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "VT number out of range");
759 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat has no VTs but VT number not 0");
763 r = sd_bus_message_enter_container(message, 'a', "(sv)");
767 if (t == _SESSION_TYPE_INVALID) {
768 if (!isempty(display))
770 else if (!isempty(tty))
773 t = SESSION_UNSPECIFIED;
776 if (c == _SESSION_CLASS_INVALID) {
777 if (t == SESSION_UNSPECIFIED)
778 c = SESSION_BACKGROUND;
784 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
786 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
790 r = sd_bus_creds_get_pid(creds, (pid_t*) &leader);
796 * Check if we are already in a logind session. Or if we are in user@.service
797 * which is a special PAM session that avoids creating a logind session.
799 r = cg_pid_get_unit(leader, &unit);
802 if (hashmap_get(m->session_units, unit) ||
803 hashmap_get(m->user_units, unit))
804 return sd_bus_error_setf(error, BUS_ERROR_SESSION_BUSY, "Already running in a session");
807 * Old gdm and lightdm start the user-session on the same VT as
808 * the greeter session. But they destroy the greeter session
809 * after the user-session and want the user-session to take
810 * over the VT. We need to support this for
811 * backwards-compatibility, so make sure we allow new sessions
812 * on a VT that a greeter is running on. Furthermore, to allow
813 * re-logins, we have to allow a greeter to take over a used VT for
814 * the exact same reasons.
816 if (c != SESSION_GREETER &&
818 vtnr < m->seat0->position_count &&
819 m->seat0->positions[vtnr] &&
820 m->seat0->positions[vtnr]->class != SESSION_GREETER)
821 return sd_bus_error_setf(error, BUS_ERROR_SESSION_BUSY, "Already occupied by a session");
823 if (hashmap_size(m->sessions) >= m->sessions_max)
824 return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Maximum number of sessions (%" PRIu64 ") reached, refusing further sessions.", m->sessions_max);
826 (void) audit_session_from_pid(leader, &audit_id);
827 if (audit_session_is_valid(audit_id)) {
828 /* Keep our session IDs and the audit session IDs in sync */
830 if (asprintf(&id, "%"PRIu32, audit_id) < 0)
833 /* Wut? There's already a session by this name and we
834 * didn't find it above? Weird, then let's not trust
835 * the audit data and let's better register a new
837 if (hashmap_get(m->sessions, id)) {
838 log_warning("Existing logind session ID %s used by new audit session, ignoring", id);
839 audit_id = AUDIT_SESSION_INVALID;
849 if (asprintf(&id, "c%lu", ++m->session_counter) < 0)
852 } while (hashmap_get(m->sessions, id));
855 r = manager_add_user_by_uid(m, uid, &user);
859 r = manager_add_session(m, id, &session);
863 session_set_user(session, user);
865 session->leader = leader;
866 session->audit_id = audit_id;
869 session->remote = remote;
870 session->vtnr = vtnr;
873 session->tty = strdup(tty);
880 if (!isempty(display)) {
881 session->display = strdup(display);
882 if (!session->display) {
888 if (!isempty(remote_user)) {
889 session->remote_user = strdup(remote_user);
890 if (!session->remote_user) {
896 if (!isempty(remote_host)) {
897 session->remote_host = strdup(remote_host);
898 if (!session->remote_host) {
904 if (!isempty(service)) {
905 session->service = strdup(service);
906 if (!session->service) {
912 if (!isempty(desktop)) {
913 session->desktop = strdup(desktop);
914 if (!session->desktop) {
921 r = seat_attach_session(seat, session);
926 r = session_start(session);
930 session->create_message = sd_bus_message_ref(message);
932 #if 0 /// UNNEEDED by elogind
933 /* Now, let's wait until the slice unit and stuff got
934 * created. We send the reply back from
935 * session_send_create_reply(). */
937 /* We reply directly. */
939 r = session_send_create_reply(session, NULL);
948 session_add_to_gc_queue(session);
951 user_add_to_gc_queue(user);
956 static int method_release_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
957 Manager *m = userdata;
965 r = sd_bus_message_read(message, "s", &name);
969 r = manager_get_session_from_creds(m, message, name, error, &session);
973 r = session_release(session);
977 #if 1 /// elogind must queue this session
978 session_add_to_gc_queue(session);
980 return sd_bus_reply_method_return(message, NULL);
983 static int method_activate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
984 Manager *m = userdata;
992 r = sd_bus_message_read(message, "s", &name);
996 r = manager_get_session_from_creds(m, message, name, error, &session);
1000 return bus_session_method_activate(message, session, error);
1003 static int method_activate_session_on_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1004 const char *session_name, *seat_name;
1005 Manager *m = userdata;
1013 /* Same as ActivateSession() but refuses to work if
1014 * the seat doesn't match */
1016 r = sd_bus_message_read(message, "ss", &session_name, &seat_name);
1020 r = manager_get_session_from_creds(m, message, session_name, error, &session);
1024 r = manager_get_seat_from_creds(m, message, seat_name, error, &seat);
1028 if (session->seat != seat)
1029 return sd_bus_error_setf(error, BUS_ERROR_SESSION_NOT_ON_SEAT, "Session %s not on seat %s", session_name, seat_name);
1031 r = session_activate(session);
1035 return sd_bus_reply_method_return(message, NULL);
1038 static int method_lock_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1039 Manager *m = userdata;
1047 r = sd_bus_message_read(message, "s", &name);
1051 r = manager_get_session_from_creds(m, message, name, error, &session);
1055 return bus_session_method_lock(message, session, error);
1058 static int method_lock_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1059 Manager *m = userdata;
1065 r = bus_verify_polkit_async(
1068 "org.freedesktop.login1.lock-sessions",
1072 &m->polkit_registry,
1077 return 1; /* Will call us back */
1079 r = session_send_lock_all(m, streq(sd_bus_message_get_member(message), "LockSessions"));
1083 return sd_bus_reply_method_return(message, NULL);
1086 static int method_kill_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1088 Manager *m = userdata;
1095 r = sd_bus_message_read(message, "s", &name);
1099 r = manager_get_session_from_creds(m, message, name, error, &session);
1103 return bus_session_method_kill(message, session, error);
1106 static int method_kill_user(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1107 Manager *m = userdata;
1115 r = sd_bus_message_read(message, "u", &uid);
1119 r = manager_get_user_from_creds(m, message, uid, error, &user);
1123 return bus_user_method_kill(message, user, error);
1126 static int method_terminate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1127 Manager *m = userdata;
1135 r = sd_bus_message_read(message, "s", &name);
1139 r = manager_get_session_from_creds(m, message, name, error, &session);
1143 return bus_session_method_terminate(message, session, error);
1146 static int method_terminate_user(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1147 Manager *m = userdata;
1155 r = sd_bus_message_read(message, "u", &uid);
1159 r = manager_get_user_from_creds(m, message, uid, error, &user);
1163 return bus_user_method_terminate(message, user, error);
1166 static int method_terminate_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1167 Manager *m = userdata;
1175 r = sd_bus_message_read(message, "s", &name);
1179 r = manager_get_seat_from_creds(m, message, name, error, &seat);
1183 return bus_seat_method_terminate(message, seat, error);
1186 static int method_set_user_linger(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1187 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
1188 _cleanup_free_ char *cc = NULL;
1189 Manager *m = userdata;
1190 int r, b, interactive;
1193 uint32_t uid, auth_uid;
1198 r = sd_bus_message_read(message, "ubb", &uid, &b, &interactive);
1202 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID |
1203 SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds);
1207 if (!uid_is_valid(uid)) {
1208 /* Note that we get the owner UID of the session or user unit,
1209 * not the actual client UID here! */
1210 r = sd_bus_creds_get_owner_uid(creds, &uid);
1215 /* owner_uid is racy, so for authorization we must use euid */
1216 r = sd_bus_creds_get_euid(creds, &auth_uid);
1223 return errno > 0 ? -errno : -ENOENT;
1225 r = bus_verify_polkit_async(
1228 uid == auth_uid ? "org.freedesktop.login1.set-self-linger" :
1229 "org.freedesktop.login1.set-user-linger",
1233 &m->polkit_registry,
1238 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1240 mkdir_p_label("/var/lib/elogind", 0755);
1242 r = mkdir_safe_label("/var/lib/elogind/linger", 0755, 0, 0, false);
1246 cc = cescape(pw->pw_name);
1250 path = strjoina("/var/lib/elogind/linger/", cc);
1258 if (manager_add_user_by_uid(m, uid, &u) >= 0)
1265 if (r < 0 && errno != ENOENT)
1268 u = hashmap_get(m->users, UID_TO_PTR(uid));
1270 user_add_to_gc_queue(u);
1273 return sd_bus_reply_method_return(message, NULL);
1276 static int trigger_device(Manager *m, struct udev_device *d) {
1277 _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
1278 struct udev_list_entry *first, *item;
1283 e = udev_enumerate_new(m->udev);
1288 r = udev_enumerate_add_match_parent(e, d);
1293 r = udev_enumerate_scan_devices(e);
1297 first = udev_enumerate_get_list_entry(e);
1298 udev_list_entry_foreach(item, first) {
1299 _cleanup_free_ char *t = NULL;
1302 p = udev_list_entry_get_name(item);
1304 t = strappend(p, "/uevent");
1308 (void) write_string_file(t, "change", 0);
1314 static int attach_device(Manager *m, const char *seat, const char *sysfs) {
1315 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
1316 _cleanup_free_ char *rule = NULL, *file = NULL;
1317 const char *id_for_seat;
1324 d = udev_device_new_from_syspath(m->udev, sysfs);
1328 if (!udev_device_has_tag(d, "seat"))
1331 id_for_seat = udev_device_get_property_value(d, "ID_FOR_SEAT");
1335 if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0)
1338 if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0)
1341 mkdir_p_label("/etc/udev/rules.d", 0755);
1342 r = write_string_file_atomic_label(file, rule);
1346 return trigger_device(m, d);
1349 static int flush_devices(Manager *m) {
1350 _cleanup_closedir_ DIR *d;
1354 d = opendir("/etc/udev/rules.d");
1356 if (errno != ENOENT)
1357 log_warning_errno(errno, "Failed to open /etc/udev/rules.d: %m");
1361 FOREACH_DIRENT_ALL(de, d, break) {
1362 if (!dirent_is_file(de))
1365 if (!startswith(de->d_name, "72-seat-"))
1368 if (!endswith(de->d_name, ".rules"))
1371 if (unlinkat(dirfd(d), de->d_name, 0) < 0)
1372 log_warning_errno(errno, "Failed to unlink %s: %m", de->d_name);
1376 return trigger_device(m, NULL);
1379 static int method_attach_device(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1380 const char *sysfs, *seat;
1381 Manager *m = userdata;
1387 r = sd_bus_message_read(message, "ssb", &seat, &sysfs, &interactive);
1391 if (!path_startswith(sysfs, "/sys"))
1392 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not in /sys", sysfs);
1394 if (!seat_name_is_valid(seat))
1395 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat %s is not valid", seat);
1397 r = bus_verify_polkit_async(
1400 "org.freedesktop.login1.attach-device",
1404 &m->polkit_registry,
1409 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1411 r = attach_device(m, seat, sysfs);
1415 return sd_bus_reply_method_return(message, NULL);
1418 static int method_flush_devices(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1419 Manager *m = userdata;
1425 r = sd_bus_message_read(message, "b", &interactive);
1429 r = bus_verify_polkit_async(
1432 "org.freedesktop.login1.flush-devices",
1436 &m->polkit_registry,
1441 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1443 r = flush_devices(m);
1447 return sd_bus_reply_method_return(message, NULL);
1450 static int have_multiple_sessions(
1459 /* Check for other users' sessions. Greeter sessions do not
1460 * count, and non-login sessions do not count either. */
1461 HASHMAP_FOREACH(session, m->sessions, i)
1462 if (session->class == SESSION_USER &&
1463 session->user->uid != uid)
1469 #if 0 /// elogind has its own variant in elogind-dbus.c
1470 static int bus_manager_log_shutdown(
1472 const char *unit_name) {
1479 if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) {
1480 p = "MESSAGE=System is powering down";
1481 q = "SHUTDOWN=power-off";
1482 } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) {
1483 p = "MESSAGE=System is rebooting";
1484 q = "SHUTDOWN=reboot";
1485 } else if (streq(unit_name, SPECIAL_HALT_TARGET)) {
1486 p = "MESSAGE=System is halting";
1487 q = "SHUTDOWN=halt";
1488 } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) {
1489 p = "MESSAGE=System is rebooting with kexec";
1490 q = "SHUTDOWN=kexec";
1492 p = "MESSAGE=System is shutting down";
1496 if (isempty(m->wall_message))
1497 p = strjoina(p, ".");
1499 p = strjoina(p, " (", m->wall_message, ").");
1501 return log_struct(LOG_NOTICE,
1502 "MESSAGE_ID=" SD_MESSAGE_SHUTDOWN_STR,
1509 static int lid_switch_ignore_handler(sd_event_source *e, uint64_t usec, void *userdata) {
1510 Manager *m = userdata;
1515 m->lid_switch_ignore_event_source = sd_event_source_unref(m->lid_switch_ignore_event_source);
1519 int manager_set_lid_switch_ignore(Manager *m, usec_t until) {
1524 if (until <= now(CLOCK_MONOTONIC))
1527 /* We want to ignore the lid switch for a while after each
1528 * suspend, and after boot-up. Hence let's install a timer for
1529 * this. As long as the event source exists we ignore the lid
1532 if (m->lid_switch_ignore_event_source) {
1535 r = sd_event_source_get_time(m->lid_switch_ignore_event_source, &u);
1542 r = sd_event_source_set_time(m->lid_switch_ignore_event_source, until);
1544 r = sd_event_add_time(
1546 &m->lid_switch_ignore_event_source,
1549 lid_switch_ignore_handler, m);
1554 #if 0 /// elogind-dbus.c needs to access this
1555 static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) {
1557 int send_prepare_for(Manager *m, InhibitWhat w, bool _active) {
1560 static const char * const signal_name[_INHIBIT_WHAT_MAX] = {
1561 [INHIBIT_SHUTDOWN] = "PrepareForShutdown",
1562 [INHIBIT_SLEEP] = "PrepareForSleep"
1565 int active = _active;
1569 assert(w < _INHIBIT_WHAT_MAX);
1570 assert(signal_name[w]);
1572 return sd_bus_emit_signal(m->bus,
1573 "/org/freedesktop/login1",
1574 "org.freedesktop.login1.Manager",
1580 #if 0 /// elogind has its own variant in elogind-dbus.c
1581 static int execute_shutdown_or_sleep(
1584 const char *unit_name,
1585 sd_bus_error *error) {
1587 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1594 assert(w < _INHIBIT_WHAT_MAX);
1597 if (w == INHIBIT_SHUTDOWN)
1598 bus_manager_log_shutdown(m, unit_name);
1600 r = sd_bus_call_method(
1602 "org.freedesktop.systemd1",
1603 "/org/freedesktop/systemd1",
1604 "org.freedesktop.systemd1.Manager",
1608 "ss", unit_name, "replace-irreversibly");
1612 r = sd_bus_message_read(reply, "o", &p);
1622 m->action_unit = unit_name;
1623 free(m->action_job);
1627 /* Make sure the lid switch is ignored for a while */
1628 manager_set_lid_switch_ignore(m, now(CLOCK_MONOTONIC) + m->holdoff_timeout_usec);
1633 /* Tell people that they now may take a lock again */
1634 (void) send_prepare_for(m, w, false);
1640 int manager_dispatch_delayed(Manager *manager, bool timeout) {
1642 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1643 Inhibitor *offending = NULL;
1648 #if 0 /// elogind has no action_job, but a pending_action
1649 if (manager->action_what == 0 || manager->action_job)
1651 if ( (0 == manager->action_what) || (HANDLE_IGNORE == manager->pending_action) )
1655 if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0, &offending)) {
1656 _cleanup_free_ char *comm = NULL, *u = NULL;
1661 (void) get_process_comm(offending->pid, &comm);
1662 u = uid_to_name(offending->uid);
1664 log_notice("Delay lock is active (UID "UID_FMT"/%s, PID "PID_FMT"/%s) but inhibitor timeout is reached.",
1665 offending->uid, strna(u),
1666 offending->pid, strna(comm));
1669 /* Actually do the operation */
1670 #if 0 /// elogind has no action_unit but a pending_action
1671 r = execute_shutdown_or_sleep(manager, manager->action_what, manager->action_unit, &error);
1673 r = execute_shutdown_or_sleep(manager, manager->action_what, manager->pending_action, &error);
1676 log_warning("Error during inhibitor-delayed operation (already returned success to client): %s",
1677 bus_error_message(&error, r));
1680 #if 0 /// elogind has no action_unit but a pending_action
1681 manager->action_unit = NULL;
1682 manager->action_what = 0;
1685 manager->pending_action = HANDLE_IGNORE;
1686 manager->action_what = 0;
1687 /* It is not a critical error for elogind if suspending fails */
1694 #if 0 /// elogind-dbus.c needs to access this
1695 static int manager_inhibit_timeout_handler(
1697 int manager_inhibit_timeout_handler(
1703 Manager *manager = userdata;
1707 assert(manager->inhibit_timeout_source == s);
1709 r = manager_dispatch_delayed(manager, true);
1710 return (r < 0) ? r : 0;
1713 #if 0 /// elogind has its own variant in elogind-dbus.c
1714 static int delay_shutdown_or_sleep(
1717 const char *unit_name) {
1724 assert(w < _INHIBIT_WHAT_MAX);
1727 timeout_val = now(CLOCK_MONOTONIC) + m->inhibit_delay_max;
1729 if (m->inhibit_timeout_source) {
1730 r = sd_event_source_set_time(m->inhibit_timeout_source, timeout_val);
1732 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
1734 r = sd_event_source_set_enabled(m->inhibit_timeout_source, SD_EVENT_ONESHOT);
1736 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
1738 r = sd_event_add_time(m->event, &m->inhibit_timeout_source, CLOCK_MONOTONIC,
1739 timeout_val, 0, manager_inhibit_timeout_handler, m);
1744 m->action_unit = unit_name;
1751 #if 0 /// elogind has its own variant in elogind-dbus.c
1752 int bus_manager_shutdown_or_sleep_now_or_later(
1754 const char *unit_name,
1756 sd_bus_error *error) {
1764 assert(w <= _INHIBIT_WHAT_MAX);
1765 assert(!m->action_job);
1767 /* Tell everybody to prepare for shutdown/sleep */
1768 (void) send_prepare_for(m, w, true);
1771 m->inhibit_delay_max > 0 &&
1772 manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0, NULL);
1774 log_debug_elogind("%s called for %s (%sdelayed)", __FUNCTION__,
1775 handle_action_to_string(action),
1776 delayed ? "" : "NOT ");
1778 /* Shutdown is delayed, keep in mind what we
1779 * want to do, and start a timeout */
1780 r = delay_shutdown_or_sleep(m, w, unit_name);
1782 /* Shutdown is not delayed, execute it
1784 r = execute_shutdown_or_sleep(m, w, unit_name, error);
1790 #if 0 /// elogind-dbus.c needs to access this
1791 static int verify_shutdown_creds(
1793 int verify_shutdown_creds(
1796 sd_bus_message *message,
1800 const char *action_multiple_sessions,
1801 const char *action_ignore_inhibit,
1802 sd_bus_error *error) {
1804 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
1805 bool multiple_sessions, blocked;
1812 assert(w <= _INHIBIT_WHAT_MAX);
1814 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds);
1818 r = sd_bus_creds_get_euid(creds, &uid);
1822 r = have_multiple_sessions(m, uid);
1826 multiple_sessions = r > 0;
1827 blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
1829 if (multiple_sessions && action_multiple_sessions) {
1830 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1834 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1837 if (blocked && action_ignore_inhibit) {
1838 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1842 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1845 if (!multiple_sessions && !blocked && action) {
1846 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1850 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1856 #if 0 /// elogind has its own variant in elogind-dbus.c
1857 static int method_do_shutdown_or_sleep(
1859 sd_bus_message *message,
1860 const char *unit_name,
1863 const char *action_multiple_sessions,
1864 const char *action_ignore_inhibit,
1865 const char *sleep_verb,
1866 sd_bus_error *error) {
1874 assert(w <= _INHIBIT_WHAT_MAX);
1876 r = sd_bus_message_read(message, "b", &interactive);
1880 /* Don't allow multiple jobs being executed at the same time */
1882 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "There's already a shutdown or sleep operation in progress");
1885 r = can_sleep(sleep_verb);
1890 return sd_bus_error_setf(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, "Sleep verb not supported");
1893 r = verify_shutdown_creds(m, message, w, interactive, action, action_multiple_sessions,
1894 action_ignore_inhibit, error);
1895 log_debug_elogind("verify_shutdown_creds() returned %d", r);
1899 r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, error);
1903 return sd_bus_reply_method_return(message, NULL);
1906 static int method_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1907 Manager *m = userdata;
1909 return method_do_shutdown_or_sleep(
1911 SPECIAL_POWEROFF_TARGET,
1913 "org.freedesktop.login1.power-off",
1914 "org.freedesktop.login1.power-off-multiple-sessions",
1915 "org.freedesktop.login1.power-off-ignore-inhibit",
1920 static int method_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1921 Manager *m = userdata;
1923 return method_do_shutdown_or_sleep(
1925 SPECIAL_REBOOT_TARGET,
1927 "org.freedesktop.login1.reboot",
1928 "org.freedesktop.login1.reboot-multiple-sessions",
1929 "org.freedesktop.login1.reboot-ignore-inhibit",
1934 static int method_halt(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1935 Manager *m = userdata;
1937 return method_do_shutdown_or_sleep(
1939 SPECIAL_HALT_TARGET,
1941 "org.freedesktop.login1.halt",
1942 "org.freedesktop.login1.halt-multiple-sessions",
1943 "org.freedesktop.login1.halt-ignore-inhibit",
1948 static int method_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1949 Manager *m = userdata;
1951 return method_do_shutdown_or_sleep(
1953 SPECIAL_SUSPEND_TARGET,
1955 "org.freedesktop.login1.suspend",
1956 "org.freedesktop.login1.suspend-multiple-sessions",
1957 "org.freedesktop.login1.suspend-ignore-inhibit",
1962 static int method_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1963 Manager *m = userdata;
1965 return method_do_shutdown_or_sleep(
1967 SPECIAL_HIBERNATE_TARGET,
1969 "org.freedesktop.login1.hibernate",
1970 "org.freedesktop.login1.hibernate-multiple-sessions",
1971 "org.freedesktop.login1.hibernate-ignore-inhibit",
1976 static int method_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1977 Manager *m = userdata;
1979 return method_do_shutdown_or_sleep(
1981 SPECIAL_HYBRID_SLEEP_TARGET,
1983 "org.freedesktop.login1.hibernate",
1984 "org.freedesktop.login1.hibernate-multiple-sessions",
1985 "org.freedesktop.login1.hibernate-ignore-inhibit",
1991 static int nologin_timeout_handler(
1996 Manager *m = userdata;
1998 log_info("Creating /run/nologin, blocking further logins...");
2001 create_shutdown_run_nologin_or_warn() >= 0;
2006 static int update_schedule_file(Manager *m) {
2007 _cleanup_free_ char *temp_path = NULL;
2008 _cleanup_fclose_ FILE *f = NULL;
2013 r = mkdir_safe_label("/run/systemd/shutdown", 0755, 0, 0, false);
2015 return log_error_errno(r, "Failed to create shutdown subdirectory: %m");
2017 r = fopen_temporary("/run/systemd/shutdown/scheduled", &f, &temp_path);
2019 return log_error_errno(r, "Failed to save information about scheduled shutdowns: %m");
2021 (void) fchmod(fileno(f), 0644);
2027 m->scheduled_shutdown_timeout,
2028 m->enable_wall_messages,
2029 m->scheduled_shutdown_type);
2031 if (!isempty(m->wall_message)) {
2032 _cleanup_free_ char *t;
2034 t = cescape(m->wall_message);
2040 fprintf(f, "WALL_MESSAGE=%s\n", t);
2043 r = fflush_and_check(f);
2047 if (rename(temp_path, "/run/systemd/shutdown/scheduled") < 0) {
2055 (void) unlink(temp_path);
2056 (void) unlink("/run/systemd/shutdown/scheduled");
2058 return log_error_errno(r, "Failed to write information about scheduled shutdowns: %m");
2061 #if 0 /// elogind must access this from elogind-dbus.c
2062 static void reset_scheduled_shutdown(Manager *m) {
2064 void reset_scheduled_shutdown(Manager *m) {
2068 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
2069 m->wall_message_timeout_source = sd_event_source_unref(m->wall_message_timeout_source);
2070 m->nologin_timeout_source = sd_event_source_unref(m->nologin_timeout_source);
2072 m->scheduled_shutdown_type = mfree(m->scheduled_shutdown_type);
2073 m->scheduled_shutdown_timeout = 0;
2074 m->shutdown_dry_run = false;
2076 if (m->unlink_nologin) {
2077 (void) unlink_or_warn("/run/nologin");
2078 m->unlink_nologin = false;
2081 (void) unlink("/run/systemd/shutdown/scheduled");
2084 #if 0 /// elogind has its own variant in elogind-dbus.c
2085 static int manager_scheduled_shutdown_handler(
2090 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2091 Manager *m = userdata;
2097 if (isempty(m->scheduled_shutdown_type))
2100 if (streq(m->scheduled_shutdown_type, "poweroff"))
2101 target = SPECIAL_POWEROFF_TARGET;
2102 else if (streq(m->scheduled_shutdown_type, "reboot"))
2103 target = SPECIAL_REBOOT_TARGET;
2104 else if (streq(m->scheduled_shutdown_type, "halt"))
2105 target = SPECIAL_HALT_TARGET;
2107 assert_not_reached("unexpected shutdown type");
2109 /* Don't allow multiple jobs being executed at the same time */
2110 if (m->action_what) {
2112 log_error("Scheduled shutdown to %s failed: shutdown or sleep operation already in progress", target);
2116 if (m->shutdown_dry_run) {
2117 /* We do not process delay inhibitors here. Otherwise, we
2118 * would have to be considered "in progress" (like the check
2119 * above) for some seconds after our admin has seen the final
2122 bus_manager_log_shutdown(m, target);
2123 log_info("Running in dry run, suppressing action.");
2124 reset_scheduled_shutdown(m);
2129 r = bus_manager_shutdown_or_sleep_now_or_later(m, target, INHIBIT_SHUTDOWN, &error);
2131 log_error_errno(r, "Scheduled shutdown to %s failed: %m", target);
2138 reset_scheduled_shutdown(m);
2143 static int method_schedule_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2144 Manager *m = userdata;
2145 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
2146 const char *action_multiple_sessions = NULL;
2147 const char *action_ignore_inhibit = NULL;
2148 const char *action = NULL;
2152 bool dry_run = false;
2157 log_debug_elogind("%s called", __FUNCTION__);
2158 r = sd_bus_message_read(message, "st", &type, &elapse);
2162 if (startswith(type, "dry-")) {
2167 if (streq(type, "poweroff")) {
2168 action = "org.freedesktop.login1.power-off";
2169 action_multiple_sessions = "org.freedesktop.login1.power-off-multiple-sessions";
2170 action_ignore_inhibit = "org.freedesktop.login1.power-off-ignore-inhibit";
2171 } else if (streq(type, "reboot")) {
2172 action = "org.freedesktop.login1.reboot";
2173 action_multiple_sessions = "org.freedesktop.login1.reboot-multiple-sessions";
2174 action_ignore_inhibit = "org.freedesktop.login1.reboot-ignore-inhibit";
2175 } else if (streq(type, "halt")) {
2176 action = "org.freedesktop.login1.halt";
2177 action_multiple_sessions = "org.freedesktop.login1.halt-multiple-sessions";
2178 action_ignore_inhibit = "org.freedesktop.login1.halt-ignore-inhibit";
2180 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unsupported shutdown type");
2182 r = verify_shutdown_creds(m, message, INHIBIT_SHUTDOWN, false,
2183 action, action_multiple_sessions, action_ignore_inhibit, error);
2187 if (m->scheduled_shutdown_timeout_source) {
2188 r = sd_event_source_set_time(m->scheduled_shutdown_timeout_source, elapse);
2190 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
2192 r = sd_event_source_set_enabled(m->scheduled_shutdown_timeout_source, SD_EVENT_ONESHOT);
2194 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
2196 r = sd_event_add_time(m->event, &m->scheduled_shutdown_timeout_source,
2197 CLOCK_REALTIME, elapse, 0, manager_scheduled_shutdown_handler, m);
2199 return log_error_errno(r, "sd_event_add_time() failed: %m");
2202 r = free_and_strdup(&m->scheduled_shutdown_type, type);
2204 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
2208 m->shutdown_dry_run = dry_run;
2210 if (m->nologin_timeout_source) {
2211 r = sd_event_source_set_time(m->nologin_timeout_source, elapse);
2213 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
2215 r = sd_event_source_set_enabled(m->nologin_timeout_source, SD_EVENT_ONESHOT);
2217 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
2219 r = sd_event_add_time(m->event, &m->nologin_timeout_source,
2220 CLOCK_REALTIME, elapse - 5 * USEC_PER_MINUTE, 0, nologin_timeout_handler, m);
2222 return log_error_errno(r, "sd_event_add_time() failed: %m");
2225 m->scheduled_shutdown_timeout = elapse;
2227 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds);
2229 const char *tty = NULL;
2231 (void) sd_bus_creds_get_uid(creds, &m->scheduled_shutdown_uid);
2232 (void) sd_bus_creds_get_tty(creds, &tty);
2234 r = free_and_strdup(&m->scheduled_shutdown_tty, tty);
2236 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
2241 r = manager_setup_wall_message_timer(m);
2245 r = update_schedule_file(m);
2249 return sd_bus_reply_method_return(message, NULL);
2252 static int method_cancel_scheduled_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2253 Manager *m = userdata;
2255 #if 1 /// elogind needs to construct the message to allow extra wall messages
2256 _cleanup_free_ char *l = NULL;
2262 log_debug_elogind("%s called", __FUNCTION__);
2263 cancelled = m->scheduled_shutdown_type != NULL;
2264 reset_scheduled_shutdown(m);
2266 if (cancelled && m->enable_wall_messages) {
2267 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
2268 const char *tty = NULL;
2272 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds);
2274 (void) sd_bus_creds_get_uid(creds, &uid);
2275 (void) sd_bus_creds_get_tty(creds, &tty);
2278 #if 0 /// elogind wants to allow extra cancellation messages
2279 utmp_wall("The system shutdown has been cancelled",
2280 uid_to_name(uid), tty, logind_wall_tty_filter, m);
2282 r = asprintf(&l, "%s%sThe system shutdown has been cancelled!",
2283 strempty(m->wall_message),
2284 isempty(m->wall_message) ? "" : "\n");
2290 utmp_wall(l, uid_to_name(uid), tty, logind_wall_tty_filter, m);
2294 return sd_bus_reply_method_return(message, "b", cancelled);
2297 static int method_can_shutdown_or_sleep(
2299 sd_bus_message *message,
2302 const char *action_multiple_sessions,
2303 const char *action_ignore_inhibit,
2304 const char *sleep_verb,
2305 sd_bus_error *error) {
2307 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
2308 bool multiple_sessions, challenge, blocked;
2309 const char *result = NULL;
2316 assert(w <= _INHIBIT_WHAT_MAX);
2318 assert(action_multiple_sessions);
2319 assert(action_ignore_inhibit);
2322 #if 0 /// elogind needs to have the manager being passed
2323 r = can_sleep(sleep_verb);
2325 r = can_sleep(m, sleep_verb);
2330 return sd_bus_reply_method_return(message, "s", "na");
2333 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds);
2337 r = sd_bus_creds_get_euid(creds, &uid);
2341 r = have_multiple_sessions(m, uid);
2345 multiple_sessions = r > 0;
2346 blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
2348 if (multiple_sessions) {
2349 r = bus_test_polkit(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, UID_INVALID, &challenge, error);
2356 result = "challenge";
2362 r = bus_test_polkit(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, UID_INVALID, &challenge, error);
2366 if (r > 0 && !result)
2368 else if (challenge && (!result || streq(result, "yes")))
2369 result = "challenge";
2374 if (!multiple_sessions && !blocked) {
2375 /* If neither inhibit nor multiple sessions
2376 * apply then just check the normal policy */
2378 r = bus_test_polkit(message, CAP_SYS_BOOT, action, NULL, UID_INVALID, &challenge, error);
2385 result = "challenge";
2390 return sd_bus_reply_method_return(message, "s", result);
2393 static int method_can_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2394 Manager *m = userdata;
2396 return method_can_shutdown_or_sleep(
2399 "org.freedesktop.login1.power-off",
2400 "org.freedesktop.login1.power-off-multiple-sessions",
2401 "org.freedesktop.login1.power-off-ignore-inhibit",
2406 static int method_can_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2407 Manager *m = userdata;
2409 return method_can_shutdown_or_sleep(
2412 "org.freedesktop.login1.reboot",
2413 "org.freedesktop.login1.reboot-multiple-sessions",
2414 "org.freedesktop.login1.reboot-ignore-inhibit",
2419 static int method_can_halt(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2420 Manager *m = userdata;
2422 return method_can_shutdown_or_sleep(
2425 "org.freedesktop.login1.halt",
2426 "org.freedesktop.login1.halt-multiple-sessions",
2427 "org.freedesktop.login1.halt-ignore-inhibit",
2432 static int method_can_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2433 Manager *m = userdata;
2435 return method_can_shutdown_or_sleep(
2438 "org.freedesktop.login1.suspend",
2439 "org.freedesktop.login1.suspend-multiple-sessions",
2440 "org.freedesktop.login1.suspend-ignore-inhibit",
2445 static int method_can_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2446 Manager *m = userdata;
2448 return method_can_shutdown_or_sleep(
2451 "org.freedesktop.login1.hibernate",
2452 "org.freedesktop.login1.hibernate-multiple-sessions",
2453 "org.freedesktop.login1.hibernate-ignore-inhibit",
2458 static int method_can_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2459 Manager *m = userdata;
2461 return method_can_shutdown_or_sleep(
2464 "org.freedesktop.login1.hibernate",
2465 "org.freedesktop.login1.hibernate-multiple-sessions",
2466 "org.freedesktop.login1.hibernate-ignore-inhibit",
2471 static int property_get_reboot_to_firmware_setup(
2474 const char *interface,
2475 const char *property,
2476 sd_bus_message *reply,
2478 sd_bus_error *error) {
2479 #if 0 /// elogind does not support EFI
2486 r = efi_get_reboot_to_firmware();
2487 if (r < 0 && r != -EOPNOTSUPP)
2488 log_warning_errno(r, "Failed to determine reboot-to-firmware state: %m");
2490 return sd_bus_message_append(reply, "b", r > 0);
2492 return sd_bus_message_append(reply, "b", false);
2496 static int method_set_reboot_to_firmware_setup(
2497 sd_bus_message *message,
2499 sd_bus_error *error) {
2502 Manager *m = userdata;
2507 r = sd_bus_message_read(message, "b", &b);
2511 r = bus_verify_polkit_async(message,
2513 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2517 &m->polkit_registry,
2522 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2524 #if 0 /// elogind does not support EFI
2525 r = efi_set_reboot_to_firmware(b);
2530 return sd_bus_reply_method_return(message, NULL);
2533 static int method_can_reboot_to_firmware_setup(
2534 sd_bus_message *message,
2536 sd_bus_error *error) {
2538 #if 0 /// elogind does not support EFI
2542 Manager *m = userdata;
2547 r = efi_reboot_to_firmware_supported();
2549 if (r != -EOPNOTSUPP)
2550 log_warning_errno(errno, "Failed to determine whether reboot to firmware is supported: %m");
2552 return sd_bus_reply_method_return(message, "s", "na");
2555 r = bus_test_polkit(message,
2557 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2568 result = "challenge";
2572 return sd_bus_reply_method_return(message, "s", result);
2574 return sd_bus_reply_method_return(message, "s", "no");
2578 static int method_set_wall_message(
2579 sd_bus_message *message,
2581 sd_bus_error *error) {
2584 Manager *m = userdata;
2586 int enable_wall_messages;
2591 r = sd_bus_message_read(message, "sb", &wall_message, &enable_wall_messages);
2595 #if 0 /// elogind only calls this for shutdown/reboot, which already needs authorization.
2596 r = bus_verify_polkit_async(message,
2598 "org.freedesktop.login1.set-wall-message",
2602 &m->polkit_registry,
2607 return 1; /* Will call us back */
2610 r = free_and_strdup(&m->wall_message, empty_to_null(wall_message));
2614 m->enable_wall_messages = enable_wall_messages;
2616 return sd_bus_reply_method_return(message, NULL);
2619 static int method_inhibit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2620 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
2621 const char *who, *why, *what, *mode;
2622 _cleanup_free_ char *id = NULL;
2623 _cleanup_close_ int fifo_fd = -1;
2624 Manager *m = userdata;
2625 Inhibitor *i = NULL;
2635 r = sd_bus_message_read(message, "ssss", &what, &who, &why, &mode);
2639 w = inhibit_what_from_string(what);
2641 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid what specification %s", what);
2643 mm = inhibit_mode_from_string(mode);
2645 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid mode specification %s", mode);
2647 /* Delay is only supported for shutdown/sleep */
2648 if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP)))
2649 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Delay inhibitors only supported for shutdown and sleep");
2651 /* Don't allow taking delay locks while we are already
2652 * executing the operation. We shouldn't create the impression
2653 * that the lock was successful if the machine is about to go
2654 * down/suspend any moment. */
2655 if (m->action_what & w)
2656 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "The operation inhibition has been requested for is already running");
2658 r = bus_verify_polkit_async(
2661 w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") :
2662 w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") :
2663 w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" :
2664 w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" :
2665 w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" :
2666 w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" :
2667 "org.freedesktop.login1.inhibit-handle-lid-switch",
2671 &m->polkit_registry,
2676 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2678 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID|SD_BUS_CREDS_PID, &creds);
2682 r = sd_bus_creds_get_euid(creds, &uid);
2686 r = sd_bus_creds_get_pid(creds, &pid);
2690 if (hashmap_size(m->inhibitors) >= m->inhibitors_max)
2691 return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Maximum number of inhibitors (%" PRIu64 ") reached, refusing further inhibitors.", m->inhibitors_max);
2696 if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0)
2699 } while (hashmap_get(m->inhibitors, id));
2701 r = manager_add_inhibitor(m, id, &i);
2709 i->why = strdup(why);
2710 i->who = strdup(who);
2712 if (!i->why || !i->who) {
2717 fifo_fd = inhibitor_create_fifo(i);
2725 return sd_bus_reply_method_return(message, "h", fifo_fd);
2734 const sd_bus_vtable manager_vtable[] = {
2735 SD_BUS_VTABLE_START(0),
2737 SD_BUS_WRITABLE_PROPERTY("EnableWallMessages", "b", NULL, NULL, offsetof(Manager, enable_wall_messages), 0),
2738 SD_BUS_WRITABLE_PROPERTY("WallMessage", "s", NULL, NULL, offsetof(Manager, wall_message), 0),
2740 #if 0 /// UNNEEDED by elogind
2741 SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), SD_BUS_VTABLE_PROPERTY_CONST),
2743 SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), SD_BUS_VTABLE_PROPERTY_CONST),
2744 SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), SD_BUS_VTABLE_PROPERTY_CONST),
2745 SD_BUS_PROPERTY("KillUserProcesses", "b", NULL, offsetof(Manager, kill_user_processes), SD_BUS_VTABLE_PROPERTY_CONST),
2746 SD_BUS_PROPERTY("RebootToFirmwareSetup", "b", property_get_reboot_to_firmware_setup, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2747 SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2748 SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2749 SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2750 SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2751 SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2752 SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL, offsetof(Manager, inhibit_delay_max), SD_BUS_VTABLE_PROPERTY_CONST),
2753 SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action, offsetof(Manager, handle_power_key), SD_BUS_VTABLE_PROPERTY_CONST),
2754 SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action, offsetof(Manager, handle_suspend_key), SD_BUS_VTABLE_PROPERTY_CONST),
2755 SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action, offsetof(Manager, handle_hibernate_key), SD_BUS_VTABLE_PROPERTY_CONST),
2756 SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch), SD_BUS_VTABLE_PROPERTY_CONST),
2757 SD_BUS_PROPERTY("HandleLidSwitchExternalPower", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_ep), SD_BUS_VTABLE_PROPERTY_CONST),
2758 SD_BUS_PROPERTY("HandleLidSwitchDocked", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_docked), SD_BUS_VTABLE_PROPERTY_CONST),
2759 SD_BUS_PROPERTY("HoldoffTimeoutUSec", "t", NULL, offsetof(Manager, holdoff_timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2760 SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action, offsetof(Manager, idle_action), SD_BUS_VTABLE_PROPERTY_CONST),
2761 SD_BUS_PROPERTY("IdleActionUSec", "t", NULL, offsetof(Manager, idle_action_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2762 SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing, 0, 0),
2763 SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing, 0, 0),
2764 SD_BUS_PROPERTY("ScheduledShutdown", "(st)", property_get_scheduled_shutdown, 0, 0),
2765 SD_BUS_PROPERTY("Docked", "b", property_get_docked, 0, 0),
2766 SD_BUS_PROPERTY("RemoveIPC", "b", bus_property_get_bool, offsetof(Manager, remove_ipc), SD_BUS_VTABLE_PROPERTY_CONST),
2767 SD_BUS_PROPERTY("RuntimeDirectorySize", "t", bus_property_get_size, offsetof(Manager, runtime_dir_size), SD_BUS_VTABLE_PROPERTY_CONST),
2768 SD_BUS_PROPERTY("InhibitorsMax", "t", NULL, offsetof(Manager, inhibitors_max), SD_BUS_VTABLE_PROPERTY_CONST),
2769 SD_BUS_PROPERTY("NCurrentInhibitors", "t", property_get_current_inhibitors, 0, 0),
2770 SD_BUS_PROPERTY("SessionsMax", "t", NULL, offsetof(Manager, sessions_max), SD_BUS_VTABLE_PROPERTY_CONST),
2771 SD_BUS_PROPERTY("NCurrentSessions", "t", property_get_current_sessions, 0, 0),
2772 SD_BUS_PROPERTY("UserTasksMax", "t", NULL, offsetof(Manager, user_tasks_max), SD_BUS_VTABLE_PROPERTY_CONST),
2774 SD_BUS_METHOD("GetSession", "s", "o", method_get_session, SD_BUS_VTABLE_UNPRIVILEGED),
2775 SD_BUS_METHOD("GetSessionByPID", "u", "o", method_get_session_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
2776 SD_BUS_METHOD("GetUser", "u", "o", method_get_user, SD_BUS_VTABLE_UNPRIVILEGED),
2777 SD_BUS_METHOD("GetUserByPID", "u", "o", method_get_user_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
2778 SD_BUS_METHOD("GetSeat", "s", "o", method_get_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2779 SD_BUS_METHOD("ListSessions", NULL, "a(susso)", method_list_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2780 SD_BUS_METHOD("ListUsers", NULL, "a(uso)", method_list_users, SD_BUS_VTABLE_UNPRIVILEGED),
2781 SD_BUS_METHOD("ListSeats", NULL, "a(so)", method_list_seats, SD_BUS_VTABLE_UNPRIVILEGED),
2782 SD_BUS_METHOD("ListInhibitors", NULL, "a(ssssuu)", method_list_inhibitors, SD_BUS_VTABLE_UNPRIVILEGED),
2783 SD_BUS_METHOD("CreateSession", "uusssssussbssa(sv)", "soshusub", method_create_session, 0),
2784 SD_BUS_METHOD("ReleaseSession", "s", NULL, method_release_session, 0),
2785 SD_BUS_METHOD("ActivateSession", "s", NULL, method_activate_session, SD_BUS_VTABLE_UNPRIVILEGED),
2786 SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL, method_activate_session_on_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2787 SD_BUS_METHOD("LockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED),
2788 SD_BUS_METHOD("UnlockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED),
2789 SD_BUS_METHOD("LockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2790 SD_BUS_METHOD("UnlockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2791 SD_BUS_METHOD("KillSession", "ssi", NULL, method_kill_session, SD_BUS_VTABLE_UNPRIVILEGED),
2792 SD_BUS_METHOD("KillUser", "ui", NULL, method_kill_user, SD_BUS_VTABLE_UNPRIVILEGED),
2793 SD_BUS_METHOD("TerminateSession", "s", NULL, method_terminate_session, SD_BUS_VTABLE_UNPRIVILEGED),
2794 SD_BUS_METHOD("TerminateUser", "u", NULL, method_terminate_user, SD_BUS_VTABLE_UNPRIVILEGED),
2795 SD_BUS_METHOD("TerminateSeat", "s", NULL, method_terminate_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2796 SD_BUS_METHOD("SetUserLinger", "ubb", NULL, method_set_user_linger, SD_BUS_VTABLE_UNPRIVILEGED),
2797 SD_BUS_METHOD("AttachDevice", "ssb", NULL, method_attach_device, SD_BUS_VTABLE_UNPRIVILEGED),
2798 SD_BUS_METHOD("FlushDevices", "b", NULL, method_flush_devices, SD_BUS_VTABLE_UNPRIVILEGED),
2799 SD_BUS_METHOD("PowerOff", "b", NULL, method_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
2800 SD_BUS_METHOD("Reboot", "b", NULL, method_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
2801 SD_BUS_METHOD("Halt", "b", NULL, method_halt, SD_BUS_VTABLE_UNPRIVILEGED),
2802 SD_BUS_METHOD("Suspend", "b", NULL, method_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
2803 SD_BUS_METHOD("Hibernate", "b", NULL, method_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
2804 SD_BUS_METHOD("HybridSleep", "b", NULL, method_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
2805 SD_BUS_METHOD("CanPowerOff", NULL, "s", method_can_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
2806 SD_BUS_METHOD("CanReboot", NULL, "s", method_can_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
2807 SD_BUS_METHOD("CanHalt", NULL, "s", method_can_halt, SD_BUS_VTABLE_UNPRIVILEGED),
2808 SD_BUS_METHOD("CanSuspend", NULL, "s", method_can_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
2809 SD_BUS_METHOD("CanHibernate", NULL, "s", method_can_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
2810 SD_BUS_METHOD("CanHybridSleep", NULL, "s", method_can_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
2811 SD_BUS_METHOD("ScheduleShutdown", "st", NULL, method_schedule_shutdown, SD_BUS_VTABLE_UNPRIVILEGED),
2812 SD_BUS_METHOD("CancelScheduledShutdown", NULL, "b", method_cancel_scheduled_shutdown, SD_BUS_VTABLE_UNPRIVILEGED),
2813 SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit, SD_BUS_VTABLE_UNPRIVILEGED),
2814 SD_BUS_METHOD("CanRebootToFirmwareSetup", NULL, "s", method_can_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED),
2815 SD_BUS_METHOD("SetRebootToFirmwareSetup", "b", NULL, method_set_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED),
2816 SD_BUS_METHOD("SetWallMessage", "sb", NULL, method_set_wall_message, SD_BUS_VTABLE_UNPRIVILEGED),
2818 SD_BUS_SIGNAL("SessionNew", "so", 0),
2819 SD_BUS_SIGNAL("SessionRemoved", "so", 0),
2820 SD_BUS_SIGNAL("UserNew", "uo", 0),
2821 SD_BUS_SIGNAL("UserRemoved", "uo", 0),
2822 SD_BUS_SIGNAL("SeatNew", "so", 0),
2823 SD_BUS_SIGNAL("SeatRemoved", "so", 0),
2824 SD_BUS_SIGNAL("PrepareForShutdown", "b", 0),
2825 SD_BUS_SIGNAL("PrepareForSleep", "b", 0),
2830 #if 0 /// UNNEEDED by elogind
2831 static int session_jobs_reply(Session *s, const char *unit, const char *result) {
2840 if (streq(result, "done"))
2841 r = session_send_create_reply(s, NULL);
2843 _cleanup_(sd_bus_error_free) sd_bus_error e = SD_BUS_ERROR_NULL;
2845 sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result);
2846 r = session_send_create_reply(s, &e);
2852 int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2853 const char *path, *result, *unit;
2854 Manager *m = userdata;
2863 r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result);
2865 bus_log_parse_error(r);
2869 if (m->action_job && streq(m->action_job, path)) {
2870 log_info("Operation '%s' finished.", inhibit_what_to_string(m->action_what));
2872 /* Tell people that they now may take a lock again */
2873 (void) send_prepare_for(m, m->action_what, false);
2875 m->action_job = mfree(m->action_job);
2876 m->action_unit = NULL;
2881 session = hashmap_get(m->session_units, unit);
2882 if (session && streq_ptr(path, session->scope_job)) {
2883 session->scope_job = mfree(session->scope_job);
2884 session_jobs_reply(session, unit, result);
2886 session_save(session);
2887 user_save(session->user);
2888 session_add_to_gc_queue(session);
2891 user = hashmap_get(m->user_units, unit);
2893 (streq_ptr(path, user->service_job) ||
2894 streq_ptr(path, user->slice_job))) {
2896 if (streq_ptr(path, user->service_job))
2897 user->service_job = mfree(user->service_job);
2899 if (streq_ptr(path, user->slice_job))
2900 user->slice_job = mfree(user->slice_job);
2902 LIST_FOREACH(sessions_by_user, session, user->sessions)
2903 session_jobs_reply(session, unit, result);
2906 user_add_to_gc_queue(user);
2912 int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2913 const char *path, *unit;
2914 Manager *m = userdata;
2922 r = sd_bus_message_read(message, "so", &unit, &path);
2924 bus_log_parse_error(r);
2928 session = hashmap_get(m->session_units, unit);
2930 session_add_to_gc_queue(session);
2932 user = hashmap_get(m->user_units, unit);
2934 user_add_to_gc_queue(user);
2939 int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2940 _cleanup_free_ char *unit = NULL;
2941 Manager *m = userdata;
2950 path = sd_bus_message_get_path(message);
2954 r = unit_name_from_dbus_path(path, &unit);
2955 if (r == -EINVAL) /* not a unit */
2962 session = hashmap_get(m->session_units, unit);
2964 session_add_to_gc_queue(session);
2966 user = hashmap_get(m->user_units, unit);
2968 user_add_to_gc_queue(user);
2973 int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2974 Manager *m = userdata;
2982 r = sd_bus_message_read(message, "b", &b);
2984 bus_log_parse_error(r);
2991 /* systemd finished reloading, let's recheck all our sessions */
2992 log_debug("System manager has been reloaded, rechecking sessions...");
2994 HASHMAP_FOREACH(session, m->sessions, i)
2995 session_add_to_gc_queue(session);
3001 int manager_send_changed(Manager *manager, const char *property, ...) {
3006 l = strv_from_stdarg_alloca(property);
3008 return sd_bus_emit_properties_changed_strv(
3010 "/org/freedesktop/login1",
3011 "org.freedesktop.login1.Manager",
3015 #if 0 /// UNNEEDED by elogind
3016 static int strdup_job(sd_bus_message *reply, char **job) {
3021 r = sd_bus_message_read(reply, "o", &j);
3033 int manager_start_slice(
3036 const char *description,
3040 sd_bus_error *error,
3043 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
3050 r = sd_bus_message_new_method_call(
3053 "org.freedesktop.systemd1",
3054 "/org/freedesktop/systemd1",
3055 "org.freedesktop.systemd1.Manager",
3056 "StartTransientUnit");
3060 r = sd_bus_message_append(m, "ss", strempty(slice), "fail");
3064 r = sd_bus_message_open_container(m, 'a', "(sv)");
3068 if (!isempty(description)) {
3069 r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
3074 if (!isempty(after)) {
3075 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after);
3080 if (!isempty(after2)) {
3081 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2);
3086 r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", tasks_max);
3090 r = sd_bus_message_close_container(m);
3094 r = sd_bus_message_append(m, "a(sa(sv))", 0);
3098 r = sd_bus_call(manager->bus, m, 0, error, &reply);
3102 return strdup_job(reply, job);
3105 int manager_start_scope(
3110 const char *description,
3114 sd_bus_error *error,
3117 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
3125 r = sd_bus_message_new_method_call(
3128 "org.freedesktop.systemd1",
3129 "/org/freedesktop/systemd1",
3130 "org.freedesktop.systemd1.Manager",
3131 "StartTransientUnit");
3135 r = sd_bus_message_append(m, "ss", strempty(scope), "fail");
3139 r = sd_bus_message_open_container(m, 'a', "(sv)");
3143 if (!isempty(slice)) {
3144 r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice);
3149 if (!isempty(description)) {
3150 r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
3155 if (!isempty(after)) {
3156 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after);
3161 if (!isempty(after2)) {
3162 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2);
3167 /* cgroup empty notification is not available in containers
3168 * currently. To make this less problematic, let's shorten the
3169 * stop timeout for sessions, so that we don't wait
3172 /* Make sure that the session shells are terminated with
3173 * SIGHUP since bash and friends tend to ignore SIGTERM */
3174 r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", true);
3178 r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid);
3182 r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", tasks_max);
3186 r = sd_bus_message_close_container(m);
3190 r = sd_bus_message_append(m, "a(sa(sv))", 0);
3194 r = sd_bus_call(manager->bus, m, 0, error, &reply);
3198 return strdup_job(reply, job);
3201 int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
3202 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3209 r = sd_bus_call_method(
3211 "org.freedesktop.systemd1",
3212 "/org/freedesktop/systemd1",
3213 "org.freedesktop.systemd1.Manager",
3217 "ss", unit, "replace");
3221 return strdup_job(reply, job);
3224 int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
3225 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3232 r = sd_bus_call_method(
3234 "org.freedesktop.systemd1",
3235 "/org/freedesktop/systemd1",
3236 "org.freedesktop.systemd1.Manager",
3240 "ss", unit, "fail");
3242 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
3243 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) {
3246 sd_bus_error_free(error);
3253 return strdup_job(reply, job);
3256 int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error) {
3257 _cleanup_free_ char *path = NULL;
3263 path = unit_dbus_path_from_name(scope);
3267 r = sd_bus_call_method(
3269 "org.freedesktop.systemd1",
3271 "org.freedesktop.systemd1.Scope",
3277 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
3278 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED) ||
3279 sd_bus_error_has_name(error, BUS_ERROR_SCOPE_NOT_RUNNING)) {
3280 sd_bus_error_free(error);
3290 int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) {
3294 return sd_bus_call_method(
3296 "org.freedesktop.systemd1",
3297 "/org/freedesktop/systemd1",
3298 "org.freedesktop.systemd1.Manager",
3302 "ssi", unit, who == KILL_LEADER ? "main" : "all", signo);
3305 int manager_unit_is_active(Manager *manager, const char *unit) {
3306 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3307 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3308 _cleanup_free_ char *path = NULL;
3315 path = unit_dbus_path_from_name(unit);
3319 r = sd_bus_get_property(
3321 "org.freedesktop.systemd1",
3323 "org.freedesktop.systemd1.Unit",
3329 /* systemd might have droppped off momentarily, let's
3330 * not make this an error */
3331 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
3332 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
3335 /* If the unit is already unloaded then it's not
3337 if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) ||
3338 sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED))
3344 r = sd_bus_message_read(reply, "s", &state);
3348 return !streq(state, "inactive") && !streq(state, "failed");
3351 int manager_job_is_active(Manager *manager, const char *path) {
3352 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3353 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3359 r = sd_bus_get_property(
3361 "org.freedesktop.systemd1",
3363 "org.freedesktop.systemd1.Job",
3369 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
3370 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
3373 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT))
3379 /* We don't actually care about the state really. The fact
3380 * that we could read the job state is enough for us */