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);
1639 int manager_dispatch_delayed(Manager *manager, bool timeout) {
1641 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1642 Inhibitor *offending = NULL;
1647 if (manager->action_what == 0 || manager->action_job)
1650 if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0, &offending)) {
1651 _cleanup_free_ char *comm = NULL, *u = NULL;
1656 (void) get_process_comm(offending->pid, &comm);
1657 u = uid_to_name(offending->uid);
1659 log_notice("Delay lock is active (UID "UID_FMT"/%s, PID "PID_FMT"/%s) but inhibitor timeout is reached.",
1660 offending->uid, strna(u),
1661 offending->pid, strna(comm));
1664 /* Actually do the operation */
1665 r = execute_shutdown_or_sleep(manager, manager->action_what, manager->action_unit, &error);
1667 log_warning("Error during inhibitor-delayed operation (already returned success to client): %s",
1668 bus_error_message(&error, r));
1670 manager->action_unit = NULL;
1671 manager->action_what = 0;
1679 #if 0 /// elogind-dbus.c needs to access this
1680 static int manager_inhibit_timeout_handler(
1682 int manager_inhibit_timeout_handler(
1688 Manager *manager = userdata;
1692 assert(manager->inhibit_timeout_source == s);
1694 r = manager_dispatch_delayed(manager, true);
1695 return (r < 0) ? r : 0;
1698 #if 0 /// elogind has its own variant in elogind-dbus.c
1699 static int delay_shutdown_or_sleep(
1702 const char *unit_name) {
1709 assert(w < _INHIBIT_WHAT_MAX);
1712 timeout_val = now(CLOCK_MONOTONIC) + m->inhibit_delay_max;
1714 if (m->inhibit_timeout_source) {
1715 r = sd_event_source_set_time(m->inhibit_timeout_source, timeout_val);
1717 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
1719 r = sd_event_source_set_enabled(m->inhibit_timeout_source, SD_EVENT_ONESHOT);
1721 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
1723 r = sd_event_add_time(m->event, &m->inhibit_timeout_source, CLOCK_MONOTONIC,
1724 timeout_val, 0, manager_inhibit_timeout_handler, m);
1729 m->action_unit = unit_name;
1736 #if 0 /// elogind has its own variant in elogind-dbus.c
1737 int bus_manager_shutdown_or_sleep_now_or_later(
1739 const char *unit_name,
1741 sd_bus_error *error) {
1749 assert(w <= _INHIBIT_WHAT_MAX);
1750 assert(!m->action_job);
1752 /* Tell everybody to prepare for shutdown/sleep */
1753 (void) send_prepare_for(m, w, true);
1756 m->inhibit_delay_max > 0 &&
1757 manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0, NULL);
1759 log_debug_elogind("%s called for %s (%sdelayed)", __FUNCTION__,
1760 handle_action_to_string(action),
1761 delayed ? "" : "NOT ");
1763 /* Shutdown is delayed, keep in mind what we
1764 * want to do, and start a timeout */
1765 r = delay_shutdown_or_sleep(m, w, unit_name);
1767 /* Shutdown is not delayed, execute it
1769 r = execute_shutdown_or_sleep(m, w, unit_name, error);
1775 #if 0 /// elogind-dbus.c needs to access this
1776 static int verify_shutdown_creds(
1778 int verify_shutdown_creds(
1781 sd_bus_message *message,
1785 const char *action_multiple_sessions,
1786 const char *action_ignore_inhibit,
1787 sd_bus_error *error) {
1789 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
1790 bool multiple_sessions, blocked;
1797 assert(w <= _INHIBIT_WHAT_MAX);
1799 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds);
1803 r = sd_bus_creds_get_euid(creds, &uid);
1807 r = have_multiple_sessions(m, uid);
1811 multiple_sessions = r > 0;
1812 blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
1814 if (multiple_sessions && action_multiple_sessions) {
1815 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1819 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1822 if (blocked && action_ignore_inhibit) {
1823 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1827 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1830 if (!multiple_sessions && !blocked && action) {
1831 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1835 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1841 #if 0 /// elogind has its own variant in elogind-dbus.c
1842 static int method_do_shutdown_or_sleep(
1844 sd_bus_message *message,
1845 const char *unit_name,
1848 const char *action_multiple_sessions,
1849 const char *action_ignore_inhibit,
1850 const char *sleep_verb,
1851 sd_bus_error *error) {
1859 assert(w <= _INHIBIT_WHAT_MAX);
1861 r = sd_bus_message_read(message, "b", &interactive);
1865 /* Don't allow multiple jobs being executed at the same time */
1867 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "There's already a shutdown or sleep operation in progress");
1870 r = can_sleep(sleep_verb);
1875 return sd_bus_error_setf(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, "Sleep verb not supported");
1878 r = verify_shutdown_creds(m, message, w, interactive, action, action_multiple_sessions,
1879 action_ignore_inhibit, error);
1880 log_debug_elogind("verify_shutdown_creds() returned %d", r);
1884 r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, error);
1888 return sd_bus_reply_method_return(message, NULL);
1891 static int method_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1892 Manager *m = userdata;
1894 return method_do_shutdown_or_sleep(
1896 SPECIAL_POWEROFF_TARGET,
1898 "org.freedesktop.login1.power-off",
1899 "org.freedesktop.login1.power-off-multiple-sessions",
1900 "org.freedesktop.login1.power-off-ignore-inhibit",
1905 static int method_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1906 Manager *m = userdata;
1908 return method_do_shutdown_or_sleep(
1910 SPECIAL_REBOOT_TARGET,
1912 "org.freedesktop.login1.reboot",
1913 "org.freedesktop.login1.reboot-multiple-sessions",
1914 "org.freedesktop.login1.reboot-ignore-inhibit",
1919 static int method_halt(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1920 Manager *m = userdata;
1922 return method_do_shutdown_or_sleep(
1924 SPECIAL_HALT_TARGET,
1926 "org.freedesktop.login1.halt",
1927 "org.freedesktop.login1.halt-multiple-sessions",
1928 "org.freedesktop.login1.halt-ignore-inhibit",
1933 static int method_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1934 Manager *m = userdata;
1936 return method_do_shutdown_or_sleep(
1938 SPECIAL_SUSPEND_TARGET,
1940 "org.freedesktop.login1.suspend",
1941 "org.freedesktop.login1.suspend-multiple-sessions",
1942 "org.freedesktop.login1.suspend-ignore-inhibit",
1947 static int method_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1948 Manager *m = userdata;
1950 return method_do_shutdown_or_sleep(
1952 SPECIAL_HIBERNATE_TARGET,
1954 "org.freedesktop.login1.hibernate",
1955 "org.freedesktop.login1.hibernate-multiple-sessions",
1956 "org.freedesktop.login1.hibernate-ignore-inhibit",
1961 static int method_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1962 Manager *m = userdata;
1964 return method_do_shutdown_or_sleep(
1966 SPECIAL_HYBRID_SLEEP_TARGET,
1968 "org.freedesktop.login1.hibernate",
1969 "org.freedesktop.login1.hibernate-multiple-sessions",
1970 "org.freedesktop.login1.hibernate-ignore-inhibit",
1976 static int nologin_timeout_handler(
1981 Manager *m = userdata;
1983 log_info("Creating /run/nologin, blocking further logins...");
1986 create_shutdown_run_nologin_or_warn() >= 0;
1991 static int update_schedule_file(Manager *m) {
1992 _cleanup_free_ char *temp_path = NULL;
1993 _cleanup_fclose_ FILE *f = NULL;
1998 r = mkdir_safe_label("/run/systemd/shutdown", 0755, 0, 0, false);
2000 return log_error_errno(r, "Failed to create shutdown subdirectory: %m");
2002 r = fopen_temporary("/run/systemd/shutdown/scheduled", &f, &temp_path);
2004 return log_error_errno(r, "Failed to save information about scheduled shutdowns: %m");
2006 (void) fchmod(fileno(f), 0644);
2012 m->scheduled_shutdown_timeout,
2013 m->enable_wall_messages,
2014 m->scheduled_shutdown_type);
2016 if (!isempty(m->wall_message)) {
2017 _cleanup_free_ char *t;
2019 t = cescape(m->wall_message);
2025 fprintf(f, "WALL_MESSAGE=%s\n", t);
2028 r = fflush_and_check(f);
2032 if (rename(temp_path, "/run/systemd/shutdown/scheduled") < 0) {
2040 (void) unlink(temp_path);
2041 (void) unlink("/run/systemd/shutdown/scheduled");
2043 return log_error_errno(r, "Failed to write information about scheduled shutdowns: %m");
2046 static void reset_scheduled_shutdown(Manager *m) {
2049 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
2050 m->wall_message_timeout_source = sd_event_source_unref(m->wall_message_timeout_source);
2051 m->nologin_timeout_source = sd_event_source_unref(m->nologin_timeout_source);
2053 m->scheduled_shutdown_type = mfree(m->scheduled_shutdown_type);
2054 m->scheduled_shutdown_timeout = 0;
2055 m->shutdown_dry_run = false;
2057 if (m->unlink_nologin) {
2058 (void) unlink_or_warn("/run/nologin");
2059 m->unlink_nologin = false;
2062 (void) unlink("/run/systemd/shutdown/scheduled");
2065 #if 0 /// elogind has its own variant in elogind-dbus.c
2066 static int manager_scheduled_shutdown_handler(
2071 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2072 Manager *m = userdata;
2078 if (isempty(m->scheduled_shutdown_type))
2081 if (streq(m->scheduled_shutdown_type, "poweroff"))
2082 target = SPECIAL_POWEROFF_TARGET;
2083 else if (streq(m->scheduled_shutdown_type, "reboot"))
2084 target = SPECIAL_REBOOT_TARGET;
2085 else if (streq(m->scheduled_shutdown_type, "halt"))
2086 target = SPECIAL_HALT_TARGET;
2088 assert_not_reached("unexpected shutdown type");
2090 /* Don't allow multiple jobs being executed at the same time */
2091 if (m->action_what) {
2093 log_error("Scheduled shutdown to %s failed: shutdown or sleep operation already in progress", target);
2097 if (m->shutdown_dry_run) {
2098 /* We do not process delay inhibitors here. Otherwise, we
2099 * would have to be considered "in progress" (like the check
2100 * above) for some seconds after our admin has seen the final
2103 bus_manager_log_shutdown(m, target);
2104 log_info("Running in dry run, suppressing action.");
2105 reset_scheduled_shutdown(m);
2110 r = bus_manager_shutdown_or_sleep_now_or_later(m, target, INHIBIT_SHUTDOWN, &error);
2112 log_error_errno(r, "Scheduled shutdown to %s failed: %m", target);
2119 reset_scheduled_shutdown(m);
2124 static int method_schedule_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2125 Manager *m = userdata;
2126 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
2127 const char *action_multiple_sessions = NULL;
2128 const char *action_ignore_inhibit = NULL;
2129 const char *action = NULL;
2133 bool dry_run = false;
2138 log_debug_elogind("%s called", __FUNCTION__);
2139 r = sd_bus_message_read(message, "st", &type, &elapse);
2143 if (startswith(type, "dry-")) {
2148 if (streq(type, "poweroff")) {
2149 action = "org.freedesktop.login1.power-off";
2150 action_multiple_sessions = "org.freedesktop.login1.power-off-multiple-sessions";
2151 action_ignore_inhibit = "org.freedesktop.login1.power-off-ignore-inhibit";
2152 } else if (streq(type, "reboot")) {
2153 action = "org.freedesktop.login1.reboot";
2154 action_multiple_sessions = "org.freedesktop.login1.reboot-multiple-sessions";
2155 action_ignore_inhibit = "org.freedesktop.login1.reboot-ignore-inhibit";
2156 } else if (streq(type, "halt")) {
2157 action = "org.freedesktop.login1.halt";
2158 action_multiple_sessions = "org.freedesktop.login1.halt-multiple-sessions";
2159 action_ignore_inhibit = "org.freedesktop.login1.halt-ignore-inhibit";
2161 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unsupported shutdown type");
2163 r = verify_shutdown_creds(m, message, INHIBIT_SHUTDOWN, false,
2164 action, action_multiple_sessions, action_ignore_inhibit, error);
2168 if (m->scheduled_shutdown_timeout_source) {
2169 r = sd_event_source_set_time(m->scheduled_shutdown_timeout_source, elapse);
2171 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
2173 r = sd_event_source_set_enabled(m->scheduled_shutdown_timeout_source, SD_EVENT_ONESHOT);
2175 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
2177 r = sd_event_add_time(m->event, &m->scheduled_shutdown_timeout_source,
2178 CLOCK_REALTIME, elapse, 0, manager_scheduled_shutdown_handler, m);
2180 return log_error_errno(r, "sd_event_add_time() failed: %m");
2183 r = free_and_strdup(&m->scheduled_shutdown_type, type);
2185 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
2189 m->shutdown_dry_run = dry_run;
2191 if (m->nologin_timeout_source) {
2192 r = sd_event_source_set_time(m->nologin_timeout_source, elapse);
2194 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
2196 r = sd_event_source_set_enabled(m->nologin_timeout_source, SD_EVENT_ONESHOT);
2198 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
2200 r = sd_event_add_time(m->event, &m->nologin_timeout_source,
2201 CLOCK_REALTIME, elapse - 5 * USEC_PER_MINUTE, 0, nologin_timeout_handler, m);
2203 return log_error_errno(r, "sd_event_add_time() failed: %m");
2206 m->scheduled_shutdown_timeout = elapse;
2208 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds);
2210 const char *tty = NULL;
2212 (void) sd_bus_creds_get_uid(creds, &m->scheduled_shutdown_uid);
2213 (void) sd_bus_creds_get_tty(creds, &tty);
2215 r = free_and_strdup(&m->scheduled_shutdown_tty, tty);
2217 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
2222 r = manager_setup_wall_message_timer(m);
2226 r = update_schedule_file(m);
2230 return sd_bus_reply_method_return(message, NULL);
2233 static int method_cancel_scheduled_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2234 Manager *m = userdata;
2236 #if 1 /// elogind needs to construct the message to allow extra wall messages
2237 _cleanup_free_ char *l = NULL;
2243 log_debug_elogind("%s called", __FUNCTION__);
2244 cancelled = m->scheduled_shutdown_type != NULL;
2245 reset_scheduled_shutdown(m);
2247 if (cancelled && m->enable_wall_messages) {
2248 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
2249 const char *tty = NULL;
2253 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds);
2255 (void) sd_bus_creds_get_uid(creds, &uid);
2256 (void) sd_bus_creds_get_tty(creds, &tty);
2259 #if 0 /// elogind wants to allow extra cancellation messages
2260 utmp_wall("The system shutdown has been cancelled",
2261 uid_to_name(uid), tty, logind_wall_tty_filter, m);
2263 r = asprintf(&l, "%s%sThe system shutdown has been cancelled!",
2264 strempty(m->wall_message),
2265 isempty(m->wall_message) ? "" : "\n");
2271 utmp_wall(l, uid_to_name(uid), tty, logind_wall_tty_filter, m);
2275 return sd_bus_reply_method_return(message, "b", cancelled);
2278 static int method_can_shutdown_or_sleep(
2280 sd_bus_message *message,
2283 const char *action_multiple_sessions,
2284 const char *action_ignore_inhibit,
2285 const char *sleep_verb,
2286 sd_bus_error *error) {
2288 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
2289 bool multiple_sessions, challenge, blocked;
2290 const char *result = NULL;
2297 assert(w <= _INHIBIT_WHAT_MAX);
2299 assert(action_multiple_sessions);
2300 assert(action_ignore_inhibit);
2303 #if 0 /// elogind needs to have the manager being passed
2304 r = can_sleep(sleep_verb);
2306 r = can_sleep(m, sleep_verb);
2311 return sd_bus_reply_method_return(message, "s", "na");
2314 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds);
2318 r = sd_bus_creds_get_euid(creds, &uid);
2322 r = have_multiple_sessions(m, uid);
2326 multiple_sessions = r > 0;
2327 blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
2329 if (multiple_sessions) {
2330 r = bus_test_polkit(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, UID_INVALID, &challenge, error);
2337 result = "challenge";
2343 r = bus_test_polkit(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, UID_INVALID, &challenge, error);
2347 if (r > 0 && !result)
2349 else if (challenge && (!result || streq(result, "yes")))
2350 result = "challenge";
2355 if (!multiple_sessions && !blocked) {
2356 /* If neither inhibit nor multiple sessions
2357 * apply then just check the normal policy */
2359 r = bus_test_polkit(message, CAP_SYS_BOOT, action, NULL, UID_INVALID, &challenge, error);
2366 result = "challenge";
2371 return sd_bus_reply_method_return(message, "s", result);
2374 static int method_can_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2375 Manager *m = userdata;
2377 return method_can_shutdown_or_sleep(
2380 "org.freedesktop.login1.power-off",
2381 "org.freedesktop.login1.power-off-multiple-sessions",
2382 "org.freedesktop.login1.power-off-ignore-inhibit",
2387 static int method_can_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2388 Manager *m = userdata;
2390 return method_can_shutdown_or_sleep(
2393 "org.freedesktop.login1.reboot",
2394 "org.freedesktop.login1.reboot-multiple-sessions",
2395 "org.freedesktop.login1.reboot-ignore-inhibit",
2400 static int method_can_halt(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2401 Manager *m = userdata;
2403 return method_can_shutdown_or_sleep(
2406 "org.freedesktop.login1.halt",
2407 "org.freedesktop.login1.halt-multiple-sessions",
2408 "org.freedesktop.login1.halt-ignore-inhibit",
2413 static int method_can_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2414 Manager *m = userdata;
2416 return method_can_shutdown_or_sleep(
2419 "org.freedesktop.login1.suspend",
2420 "org.freedesktop.login1.suspend-multiple-sessions",
2421 "org.freedesktop.login1.suspend-ignore-inhibit",
2426 static int method_can_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2427 Manager *m = userdata;
2429 return method_can_shutdown_or_sleep(
2432 "org.freedesktop.login1.hibernate",
2433 "org.freedesktop.login1.hibernate-multiple-sessions",
2434 "org.freedesktop.login1.hibernate-ignore-inhibit",
2439 static int method_can_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2440 Manager *m = userdata;
2442 return method_can_shutdown_or_sleep(
2445 "org.freedesktop.login1.hibernate",
2446 "org.freedesktop.login1.hibernate-multiple-sessions",
2447 "org.freedesktop.login1.hibernate-ignore-inhibit",
2452 static int property_get_reboot_to_firmware_setup(
2455 const char *interface,
2456 const char *property,
2457 sd_bus_message *reply,
2459 sd_bus_error *error) {
2460 #if 0 /// elogind does not support EFI
2467 r = efi_get_reboot_to_firmware();
2468 if (r < 0 && r != -EOPNOTSUPP)
2469 log_warning_errno(r, "Failed to determine reboot-to-firmware state: %m");
2471 return sd_bus_message_append(reply, "b", r > 0);
2473 return sd_bus_message_append(reply, "b", false);
2477 static int method_set_reboot_to_firmware_setup(
2478 sd_bus_message *message,
2480 sd_bus_error *error) {
2483 Manager *m = userdata;
2488 r = sd_bus_message_read(message, "b", &b);
2492 r = bus_verify_polkit_async(message,
2494 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2498 &m->polkit_registry,
2503 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2505 #if 0 /// elogind does not support EFI
2506 r = efi_set_reboot_to_firmware(b);
2511 return sd_bus_reply_method_return(message, NULL);
2514 static int method_can_reboot_to_firmware_setup(
2515 sd_bus_message *message,
2517 sd_bus_error *error) {
2519 #if 0 /// elogind does not support EFI
2523 Manager *m = userdata;
2528 r = efi_reboot_to_firmware_supported();
2530 if (r != -EOPNOTSUPP)
2531 log_warning_errno(errno, "Failed to determine whether reboot to firmware is supported: %m");
2533 return sd_bus_reply_method_return(message, "s", "na");
2536 r = bus_test_polkit(message,
2538 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2549 result = "challenge";
2553 return sd_bus_reply_method_return(message, "s", result);
2555 return sd_bus_reply_method_return(message, "s", "no");
2559 static int method_set_wall_message(
2560 sd_bus_message *message,
2562 sd_bus_error *error) {
2565 Manager *m = userdata;
2567 int enable_wall_messages;
2572 r = sd_bus_message_read(message, "sb", &wall_message, &enable_wall_messages);
2576 #if 0 /// elogind only calls this for shutdown/reboot, which already needs authorization.
2577 r = bus_verify_polkit_async(message,
2579 "org.freedesktop.login1.set-wall-message",
2583 &m->polkit_registry,
2588 return 1; /* Will call us back */
2591 r = free_and_strdup(&m->wall_message, empty_to_null(wall_message));
2595 m->enable_wall_messages = enable_wall_messages;
2597 return sd_bus_reply_method_return(message, NULL);
2600 static int method_inhibit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2601 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
2602 const char *who, *why, *what, *mode;
2603 _cleanup_free_ char *id = NULL;
2604 _cleanup_close_ int fifo_fd = -1;
2605 Manager *m = userdata;
2606 Inhibitor *i = NULL;
2616 r = sd_bus_message_read(message, "ssss", &what, &who, &why, &mode);
2620 w = inhibit_what_from_string(what);
2622 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid what specification %s", what);
2624 mm = inhibit_mode_from_string(mode);
2626 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid mode specification %s", mode);
2628 /* Delay is only supported for shutdown/sleep */
2629 if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP)))
2630 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Delay inhibitors only supported for shutdown and sleep");
2632 /* Don't allow taking delay locks while we are already
2633 * executing the operation. We shouldn't create the impression
2634 * that the lock was successful if the machine is about to go
2635 * down/suspend any moment. */
2636 if (m->action_what & w)
2637 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "The operation inhibition has been requested for is already running");
2639 r = bus_verify_polkit_async(
2642 w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") :
2643 w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") :
2644 w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" :
2645 w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" :
2646 w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" :
2647 w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" :
2648 "org.freedesktop.login1.inhibit-handle-lid-switch",
2652 &m->polkit_registry,
2657 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2659 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID|SD_BUS_CREDS_PID, &creds);
2663 r = sd_bus_creds_get_euid(creds, &uid);
2667 r = sd_bus_creds_get_pid(creds, &pid);
2671 if (hashmap_size(m->inhibitors) >= m->inhibitors_max)
2672 return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Maximum number of inhibitors (%" PRIu64 ") reached, refusing further inhibitors.", m->inhibitors_max);
2677 if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0)
2680 } while (hashmap_get(m->inhibitors, id));
2682 r = manager_add_inhibitor(m, id, &i);
2690 i->why = strdup(why);
2691 i->who = strdup(who);
2693 if (!i->why || !i->who) {
2698 fifo_fd = inhibitor_create_fifo(i);
2706 return sd_bus_reply_method_return(message, "h", fifo_fd);
2715 const sd_bus_vtable manager_vtable[] = {
2716 SD_BUS_VTABLE_START(0),
2718 SD_BUS_WRITABLE_PROPERTY("EnableWallMessages", "b", NULL, NULL, offsetof(Manager, enable_wall_messages), 0),
2719 SD_BUS_WRITABLE_PROPERTY("WallMessage", "s", NULL, NULL, offsetof(Manager, wall_message), 0),
2721 #if 0 /// UNNEEDED by elogind
2722 SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), SD_BUS_VTABLE_PROPERTY_CONST),
2724 SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), SD_BUS_VTABLE_PROPERTY_CONST),
2725 SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), SD_BUS_VTABLE_PROPERTY_CONST),
2726 SD_BUS_PROPERTY("KillUserProcesses", "b", NULL, offsetof(Manager, kill_user_processes), SD_BUS_VTABLE_PROPERTY_CONST),
2727 SD_BUS_PROPERTY("RebootToFirmwareSetup", "b", property_get_reboot_to_firmware_setup, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2728 SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2729 SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2730 SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2731 SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2732 SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2733 SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL, offsetof(Manager, inhibit_delay_max), SD_BUS_VTABLE_PROPERTY_CONST),
2734 SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action, offsetof(Manager, handle_power_key), SD_BUS_VTABLE_PROPERTY_CONST),
2735 SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action, offsetof(Manager, handle_suspend_key), SD_BUS_VTABLE_PROPERTY_CONST),
2736 SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action, offsetof(Manager, handle_hibernate_key), SD_BUS_VTABLE_PROPERTY_CONST),
2737 SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch), SD_BUS_VTABLE_PROPERTY_CONST),
2738 SD_BUS_PROPERTY("HandleLidSwitchExternalPower", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_ep), SD_BUS_VTABLE_PROPERTY_CONST),
2739 SD_BUS_PROPERTY("HandleLidSwitchDocked", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_docked), SD_BUS_VTABLE_PROPERTY_CONST),
2740 SD_BUS_PROPERTY("HoldoffTimeoutUSec", "t", NULL, offsetof(Manager, holdoff_timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2741 SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action, offsetof(Manager, idle_action), SD_BUS_VTABLE_PROPERTY_CONST),
2742 SD_BUS_PROPERTY("IdleActionUSec", "t", NULL, offsetof(Manager, idle_action_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2743 SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing, 0, 0),
2744 SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing, 0, 0),
2745 SD_BUS_PROPERTY("ScheduledShutdown", "(st)", property_get_scheduled_shutdown, 0, 0),
2746 SD_BUS_PROPERTY("Docked", "b", property_get_docked, 0, 0),
2747 SD_BUS_PROPERTY("RemoveIPC", "b", bus_property_get_bool, offsetof(Manager, remove_ipc), SD_BUS_VTABLE_PROPERTY_CONST),
2748 SD_BUS_PROPERTY("RuntimeDirectorySize", "t", bus_property_get_size, offsetof(Manager, runtime_dir_size), SD_BUS_VTABLE_PROPERTY_CONST),
2749 SD_BUS_PROPERTY("InhibitorsMax", "t", NULL, offsetof(Manager, inhibitors_max), SD_BUS_VTABLE_PROPERTY_CONST),
2750 SD_BUS_PROPERTY("NCurrentInhibitors", "t", property_get_current_inhibitors, 0, 0),
2751 SD_BUS_PROPERTY("SessionsMax", "t", NULL, offsetof(Manager, sessions_max), SD_BUS_VTABLE_PROPERTY_CONST),
2752 SD_BUS_PROPERTY("NCurrentSessions", "t", property_get_current_sessions, 0, 0),
2753 SD_BUS_PROPERTY("UserTasksMax", "t", NULL, offsetof(Manager, user_tasks_max), SD_BUS_VTABLE_PROPERTY_CONST),
2755 SD_BUS_METHOD("GetSession", "s", "o", method_get_session, SD_BUS_VTABLE_UNPRIVILEGED),
2756 SD_BUS_METHOD("GetSessionByPID", "u", "o", method_get_session_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
2757 SD_BUS_METHOD("GetUser", "u", "o", method_get_user, SD_BUS_VTABLE_UNPRIVILEGED),
2758 SD_BUS_METHOD("GetUserByPID", "u", "o", method_get_user_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
2759 SD_BUS_METHOD("GetSeat", "s", "o", method_get_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2760 SD_BUS_METHOD("ListSessions", NULL, "a(susso)", method_list_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2761 SD_BUS_METHOD("ListUsers", NULL, "a(uso)", method_list_users, SD_BUS_VTABLE_UNPRIVILEGED),
2762 SD_BUS_METHOD("ListSeats", NULL, "a(so)", method_list_seats, SD_BUS_VTABLE_UNPRIVILEGED),
2763 SD_BUS_METHOD("ListInhibitors", NULL, "a(ssssuu)", method_list_inhibitors, SD_BUS_VTABLE_UNPRIVILEGED),
2764 SD_BUS_METHOD("CreateSession", "uusssssussbssa(sv)", "soshusub", method_create_session, 0),
2765 SD_BUS_METHOD("ReleaseSession", "s", NULL, method_release_session, 0),
2766 SD_BUS_METHOD("ActivateSession", "s", NULL, method_activate_session, SD_BUS_VTABLE_UNPRIVILEGED),
2767 SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL, method_activate_session_on_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2768 SD_BUS_METHOD("LockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED),
2769 SD_BUS_METHOD("UnlockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED),
2770 SD_BUS_METHOD("LockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2771 SD_BUS_METHOD("UnlockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2772 SD_BUS_METHOD("KillSession", "ssi", NULL, method_kill_session, SD_BUS_VTABLE_UNPRIVILEGED),
2773 SD_BUS_METHOD("KillUser", "ui", NULL, method_kill_user, SD_BUS_VTABLE_UNPRIVILEGED),
2774 SD_BUS_METHOD("TerminateSession", "s", NULL, method_terminate_session, SD_BUS_VTABLE_UNPRIVILEGED),
2775 SD_BUS_METHOD("TerminateUser", "u", NULL, method_terminate_user, SD_BUS_VTABLE_UNPRIVILEGED),
2776 SD_BUS_METHOD("TerminateSeat", "s", NULL, method_terminate_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2777 SD_BUS_METHOD("SetUserLinger", "ubb", NULL, method_set_user_linger, SD_BUS_VTABLE_UNPRIVILEGED),
2778 SD_BUS_METHOD("AttachDevice", "ssb", NULL, method_attach_device, SD_BUS_VTABLE_UNPRIVILEGED),
2779 SD_BUS_METHOD("FlushDevices", "b", NULL, method_flush_devices, SD_BUS_VTABLE_UNPRIVILEGED),
2780 SD_BUS_METHOD("PowerOff", "b", NULL, method_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
2781 SD_BUS_METHOD("Reboot", "b", NULL, method_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
2782 SD_BUS_METHOD("Halt", "b", NULL, method_halt, SD_BUS_VTABLE_UNPRIVILEGED),
2783 SD_BUS_METHOD("Suspend", "b", NULL, method_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
2784 SD_BUS_METHOD("Hibernate", "b", NULL, method_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
2785 SD_BUS_METHOD("HybridSleep", "b", NULL, method_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
2786 SD_BUS_METHOD("CanPowerOff", NULL, "s", method_can_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
2787 SD_BUS_METHOD("CanReboot", NULL, "s", method_can_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
2788 SD_BUS_METHOD("CanHalt", NULL, "s", method_can_halt, SD_BUS_VTABLE_UNPRIVILEGED),
2789 SD_BUS_METHOD("CanSuspend", NULL, "s", method_can_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
2790 SD_BUS_METHOD("CanHibernate", NULL, "s", method_can_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
2791 SD_BUS_METHOD("CanHybridSleep", NULL, "s", method_can_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
2792 SD_BUS_METHOD("ScheduleShutdown", "st", NULL, method_schedule_shutdown, SD_BUS_VTABLE_UNPRIVILEGED),
2793 SD_BUS_METHOD("CancelScheduledShutdown", NULL, "b", method_cancel_scheduled_shutdown, SD_BUS_VTABLE_UNPRIVILEGED),
2794 SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit, SD_BUS_VTABLE_UNPRIVILEGED),
2795 SD_BUS_METHOD("CanRebootToFirmwareSetup", NULL, "s", method_can_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED),
2796 SD_BUS_METHOD("SetRebootToFirmwareSetup", "b", NULL, method_set_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED),
2797 SD_BUS_METHOD("SetWallMessage", "sb", NULL, method_set_wall_message, SD_BUS_VTABLE_UNPRIVILEGED),
2799 SD_BUS_SIGNAL("SessionNew", "so", 0),
2800 SD_BUS_SIGNAL("SessionRemoved", "so", 0),
2801 SD_BUS_SIGNAL("UserNew", "uo", 0),
2802 SD_BUS_SIGNAL("UserRemoved", "uo", 0),
2803 SD_BUS_SIGNAL("SeatNew", "so", 0),
2804 SD_BUS_SIGNAL("SeatRemoved", "so", 0),
2805 SD_BUS_SIGNAL("PrepareForShutdown", "b", 0),
2806 SD_BUS_SIGNAL("PrepareForSleep", "b", 0),
2811 #if 0 /// UNNEEDED by elogind
2812 static int session_jobs_reply(Session *s, const char *unit, const char *result) {
2821 if (streq(result, "done"))
2822 r = session_send_create_reply(s, NULL);
2824 _cleanup_(sd_bus_error_free) sd_bus_error e = SD_BUS_ERROR_NULL;
2826 sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result);
2827 r = session_send_create_reply(s, &e);
2833 int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2834 const char *path, *result, *unit;
2835 Manager *m = userdata;
2844 r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result);
2846 bus_log_parse_error(r);
2850 if (m->action_job && streq(m->action_job, path)) {
2851 log_info("Operation '%s' finished.", inhibit_what_to_string(m->action_what));
2853 /* Tell people that they now may take a lock again */
2854 (void) send_prepare_for(m, m->action_what, false);
2856 m->action_job = mfree(m->action_job);
2857 m->action_unit = NULL;
2862 session = hashmap_get(m->session_units, unit);
2863 if (session && streq_ptr(path, session->scope_job)) {
2864 session->scope_job = mfree(session->scope_job);
2865 session_jobs_reply(session, unit, result);
2867 session_save(session);
2868 user_save(session->user);
2869 session_add_to_gc_queue(session);
2872 user = hashmap_get(m->user_units, unit);
2874 (streq_ptr(path, user->service_job) ||
2875 streq_ptr(path, user->slice_job))) {
2877 if (streq_ptr(path, user->service_job))
2878 user->service_job = mfree(user->service_job);
2880 if (streq_ptr(path, user->slice_job))
2881 user->slice_job = mfree(user->slice_job);
2883 LIST_FOREACH(sessions_by_user, session, user->sessions)
2884 session_jobs_reply(session, unit, result);
2887 user_add_to_gc_queue(user);
2893 int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2894 const char *path, *unit;
2895 Manager *m = userdata;
2903 r = sd_bus_message_read(message, "so", &unit, &path);
2905 bus_log_parse_error(r);
2909 session = hashmap_get(m->session_units, unit);
2911 session_add_to_gc_queue(session);
2913 user = hashmap_get(m->user_units, unit);
2915 user_add_to_gc_queue(user);
2920 int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2921 _cleanup_free_ char *unit = NULL;
2922 Manager *m = userdata;
2931 path = sd_bus_message_get_path(message);
2935 r = unit_name_from_dbus_path(path, &unit);
2936 if (r == -EINVAL) /* not a unit */
2943 session = hashmap_get(m->session_units, unit);
2945 session_add_to_gc_queue(session);
2947 user = hashmap_get(m->user_units, unit);
2949 user_add_to_gc_queue(user);
2954 int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2955 Manager *m = userdata;
2963 r = sd_bus_message_read(message, "b", &b);
2965 bus_log_parse_error(r);
2972 /* systemd finished reloading, let's recheck all our sessions */
2973 log_debug("System manager has been reloaded, rechecking sessions...");
2975 HASHMAP_FOREACH(session, m->sessions, i)
2976 session_add_to_gc_queue(session);
2982 int manager_send_changed(Manager *manager, const char *property, ...) {
2987 l = strv_from_stdarg_alloca(property);
2989 return sd_bus_emit_properties_changed_strv(
2991 "/org/freedesktop/login1",
2992 "org.freedesktop.login1.Manager",
2996 #if 0 /// UNNEEDED by elogind
2997 static int strdup_job(sd_bus_message *reply, char **job) {
3002 r = sd_bus_message_read(reply, "o", &j);
3014 int manager_start_slice(
3017 const char *description,
3021 sd_bus_error *error,
3024 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
3031 r = sd_bus_message_new_method_call(
3034 "org.freedesktop.systemd1",
3035 "/org/freedesktop/systemd1",
3036 "org.freedesktop.systemd1.Manager",
3037 "StartTransientUnit");
3041 r = sd_bus_message_append(m, "ss", strempty(slice), "fail");
3045 r = sd_bus_message_open_container(m, 'a', "(sv)");
3049 if (!isempty(description)) {
3050 r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
3055 if (!isempty(after)) {
3056 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after);
3061 if (!isempty(after2)) {
3062 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2);
3067 r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", tasks_max);
3071 r = sd_bus_message_close_container(m);
3075 r = sd_bus_message_append(m, "a(sa(sv))", 0);
3079 r = sd_bus_call(manager->bus, m, 0, error, &reply);
3083 return strdup_job(reply, job);
3086 int manager_start_scope(
3091 const char *description,
3095 sd_bus_error *error,
3098 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
3106 r = sd_bus_message_new_method_call(
3109 "org.freedesktop.systemd1",
3110 "/org/freedesktop/systemd1",
3111 "org.freedesktop.systemd1.Manager",
3112 "StartTransientUnit");
3116 r = sd_bus_message_append(m, "ss", strempty(scope), "fail");
3120 r = sd_bus_message_open_container(m, 'a', "(sv)");
3124 if (!isempty(slice)) {
3125 r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice);
3130 if (!isempty(description)) {
3131 r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
3136 if (!isempty(after)) {
3137 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after);
3142 if (!isempty(after2)) {
3143 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2);
3148 /* cgroup empty notification is not available in containers
3149 * currently. To make this less problematic, let's shorten the
3150 * stop timeout for sessions, so that we don't wait
3153 /* Make sure that the session shells are terminated with
3154 * SIGHUP since bash and friends tend to ignore SIGTERM */
3155 r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", true);
3159 r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid);
3163 r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", tasks_max);
3167 r = sd_bus_message_close_container(m);
3171 r = sd_bus_message_append(m, "a(sa(sv))", 0);
3175 r = sd_bus_call(manager->bus, m, 0, error, &reply);
3179 return strdup_job(reply, job);
3182 int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
3183 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3190 r = sd_bus_call_method(
3192 "org.freedesktop.systemd1",
3193 "/org/freedesktop/systemd1",
3194 "org.freedesktop.systemd1.Manager",
3198 "ss", unit, "replace");
3202 return strdup_job(reply, job);
3205 int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
3206 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3213 r = sd_bus_call_method(
3215 "org.freedesktop.systemd1",
3216 "/org/freedesktop/systemd1",
3217 "org.freedesktop.systemd1.Manager",
3221 "ss", unit, "fail");
3223 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
3224 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) {
3227 sd_bus_error_free(error);
3234 return strdup_job(reply, job);
3237 int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error) {
3238 _cleanup_free_ char *path = NULL;
3244 path = unit_dbus_path_from_name(scope);
3248 r = sd_bus_call_method(
3250 "org.freedesktop.systemd1",
3252 "org.freedesktop.systemd1.Scope",
3258 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
3259 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED) ||
3260 sd_bus_error_has_name(error, BUS_ERROR_SCOPE_NOT_RUNNING)) {
3261 sd_bus_error_free(error);
3271 int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) {
3275 return sd_bus_call_method(
3277 "org.freedesktop.systemd1",
3278 "/org/freedesktop/systemd1",
3279 "org.freedesktop.systemd1.Manager",
3283 "ssi", unit, who == KILL_LEADER ? "main" : "all", signo);
3286 int manager_unit_is_active(Manager *manager, const char *unit) {
3287 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3288 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3289 _cleanup_free_ char *path = NULL;
3296 path = unit_dbus_path_from_name(unit);
3300 r = sd_bus_get_property(
3302 "org.freedesktop.systemd1",
3304 "org.freedesktop.systemd1.Unit",
3310 /* systemd might have droppped off momentarily, let's
3311 * not make this an error */
3312 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
3313 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
3316 /* If the unit is already unloaded then it's not
3318 if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) ||
3319 sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED))
3325 r = sd_bus_message_read(reply, "s", &state);
3329 return !streq(state, "inactive") && !streq(state, "failed");
3332 int manager_job_is_active(Manager *manager, const char *path) {
3333 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3334 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3340 r = sd_bus_get_property(
3342 "org.freedesktop.systemd1",
3344 "org.freedesktop.systemd1.Job",
3350 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
3351 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
3354 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT))
3360 /* We don't actually care about the state really. The fact
3361 * that we could read the job state is enough for us */