1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2011 Lennart Poettering
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
27 #include "sd-messages.h"
30 #include "path-util.h"
31 // #include "special.h"
32 #include "sleep-config.h"
33 #include "fileio-label.h"
34 #include "unit-name.h"
37 #include "bus-error.h"
38 #include "bus-common-errors.h"
39 #include "udev-util.h"
40 #include "selinux-util.h"
43 #include "formats-util.h"
44 #include "process-util.h"
45 #include "terminal-util.h"
46 #include "utmp-wtmp.h"
48 int manager_get_session_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Session **ret) {
49 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
58 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_SESSION|SD_BUS_CREDS_AUGMENT, &creds);
62 r = sd_bus_creds_get_session(creds, &name);
67 session = hashmap_get(m->sessions, name);
69 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
75 int manager_get_user_from_creds(Manager *m, sd_bus_message *message, uid_t uid, sd_bus_error *error, User **ret) {
83 if (uid == UID_INVALID) {
84 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
86 /* Note that we get the owner UID of the session, not the actual client UID here! */
87 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds);
91 r = sd_bus_creds_get_owner_uid(creds, &uid);
96 user = hashmap_get(m->users, UID_TO_PTR(uid));
98 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user "UID_FMT" known or logged in", uid);
104 int manager_get_seat_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Seat **ret) {
115 r = manager_get_session_from_creds(m, message, NULL, error, &session);
119 seat = session->seat;
122 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "Session has no seat.");
124 seat = hashmap_get(m->seats, name);
126 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name);
133 static int property_get_idle_hint(
136 const char *interface,
137 const char *property,
138 sd_bus_message *reply,
140 sd_bus_error *error) {
142 Manager *m = userdata;
148 return sd_bus_message_append(reply, "b", manager_get_idle_hint(m, NULL) > 0);
151 static int property_get_idle_since_hint(
154 const char *interface,
155 const char *property,
156 sd_bus_message *reply,
158 sd_bus_error *error) {
160 Manager *m = userdata;
167 manager_get_idle_hint(m, &t);
169 return sd_bus_message_append(reply, "t", streq(property, "IdleSinceHint") ? t.realtime : t.monotonic);
172 static int property_get_inhibited(
175 const char *interface,
176 const char *property,
177 sd_bus_message *reply,
179 sd_bus_error *error) {
181 Manager *m = userdata;
188 w = manager_inhibit_what(m, streq(property, "BlockInhibited") ? INHIBIT_BLOCK : INHIBIT_DELAY);
190 return sd_bus_message_append(reply, "s", inhibit_what_to_string(w));
193 static int property_get_preparing(
196 const char *interface,
197 const char *property,
198 sd_bus_message *reply,
200 sd_bus_error *error) {
202 Manager *m = userdata;
209 if (streq(property, "PreparingForShutdown"))
210 b = !!(m->action_what & INHIBIT_SHUTDOWN);
212 b = !!(m->action_what & INHIBIT_SLEEP);
214 return sd_bus_message_append(reply, "b", b);
217 static int property_get_scheduled_shutdown(
220 const char *interface,
221 const char *property,
222 sd_bus_message *reply,
224 sd_bus_error *error) {
226 Manager *m = userdata;
233 r = sd_bus_message_open_container(reply, 'r', "st");
237 r = sd_bus_message_append(reply, "st", m->scheduled_shutdown_type, m->scheduled_shutdown_timeout);
241 return sd_bus_message_close_container(reply);
244 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_handle_action, handle_action, HandleAction);
246 static int method_get_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
247 _cleanup_free_ char *p = NULL;
248 Manager *m = userdata;
256 r = sd_bus_message_read(message, "s", &name);
260 r = manager_get_session_from_creds(m, message, name, error, &session);
264 p = session_bus_path(session);
268 return sd_bus_reply_method_return(message, "o", p);
271 static int method_get_session_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) {
272 _cleanup_free_ char *p = NULL;
273 Session *session = NULL;
274 Manager *m = userdata;
281 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
283 r = sd_bus_message_read(message, "u", &pid);
288 r = manager_get_session_from_creds(m, message, NULL, error, &session);
292 r = manager_get_session_by_pid(m, pid, &session);
297 return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, "PID "PID_FMT" does not belong to any known session", pid);
300 p = session_bus_path(session);
304 return sd_bus_reply_method_return(message, "o", p);
307 static int method_get_user(sd_bus_message *message, void *userdata, sd_bus_error *error) {
308 _cleanup_free_ char *p = NULL;
309 Manager *m = userdata;
317 r = sd_bus_message_read(message, "u", &uid);
321 r = manager_get_user_from_creds(m, message, uid, error, &user);
325 p = user_bus_path(user);
329 return sd_bus_reply_method_return(message, "o", p);
332 static int method_get_user_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) {
333 _cleanup_free_ char *p = NULL;
334 Manager *m = userdata;
342 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
344 r = sd_bus_message_read(message, "u", &pid);
349 r = manager_get_user_from_creds(m, message, UID_INVALID, error, &user);
353 r = manager_get_user_by_pid(m, pid, &user);
357 return sd_bus_error_setf(error, BUS_ERROR_NO_USER_FOR_PID, "PID "PID_FMT" does not belong to any known or logged in user", pid);
360 p = user_bus_path(user);
364 return sd_bus_reply_method_return(message, "o", p);
367 static int method_get_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) {
368 _cleanup_free_ char *p = NULL;
369 Manager *m = userdata;
377 r = sd_bus_message_read(message, "s", &name);
381 r = manager_get_seat_from_creds(m, message, name, error, &seat);
385 p = seat_bus_path(seat);
389 return sd_bus_reply_method_return(message, "o", p);
392 static int method_list_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) {
393 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
394 Manager *m = userdata;
402 r = sd_bus_message_new_method_return(message, &reply);
406 r = sd_bus_message_open_container(reply, 'a', "(susso)");
410 HASHMAP_FOREACH(session, m->sessions, i) {
411 _cleanup_free_ char *p = NULL;
413 p = session_bus_path(session);
417 r = sd_bus_message_append(reply, "(susso)",
419 (uint32_t) session->user->uid,
421 session->seat ? session->seat->id : "",
427 r = sd_bus_message_close_container(reply);
431 return sd_bus_send(NULL, reply, NULL);
434 static int method_list_users(sd_bus_message *message, void *userdata, sd_bus_error *error) {
435 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
436 Manager *m = userdata;
444 r = sd_bus_message_new_method_return(message, &reply);
448 r = sd_bus_message_open_container(reply, 'a', "(uso)");
452 HASHMAP_FOREACH(user, m->users, i) {
453 _cleanup_free_ char *p = NULL;
455 p = user_bus_path(user);
459 r = sd_bus_message_append(reply, "(uso)",
460 (uint32_t) user->uid,
467 r = sd_bus_message_close_container(reply);
471 return sd_bus_send(NULL, reply, NULL);
474 static int method_list_seats(sd_bus_message *message, void *userdata, sd_bus_error *error) {
475 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
476 Manager *m = userdata;
484 r = sd_bus_message_new_method_return(message, &reply);
488 r = sd_bus_message_open_container(reply, 'a', "(so)");
492 HASHMAP_FOREACH(seat, m->seats, i) {
493 _cleanup_free_ char *p = NULL;
495 p = seat_bus_path(seat);
499 r = sd_bus_message_append(reply, "(so)", seat->id, p);
504 r = sd_bus_message_close_container(reply);
508 return sd_bus_send(NULL, reply, NULL);
511 static int method_list_inhibitors(sd_bus_message *message, void *userdata, sd_bus_error *error) {
512 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
513 Manager *m = userdata;
514 Inhibitor *inhibitor;
521 r = sd_bus_message_new_method_return(message, &reply);
525 r = sd_bus_message_open_container(reply, 'a', "(ssssuu)");
529 HASHMAP_FOREACH(inhibitor, m->inhibitors, i) {
531 r = sd_bus_message_append(reply, "(ssssuu)",
532 strempty(inhibit_what_to_string(inhibitor->what)),
533 strempty(inhibitor->who),
534 strempty(inhibitor->why),
535 strempty(inhibit_mode_to_string(inhibitor->mode)),
536 (uint32_t) inhibitor->uid,
537 (uint32_t) inhibitor->pid);
542 r = sd_bus_message_close_container(reply);
546 return sd_bus_send(NULL, reply, NULL);
549 static int method_create_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
550 const char *service, *type, *class, *cseat, *tty, *display, *remote_user, *remote_host, *desktop;
551 uint32_t uid, leader, audit_id = 0;
552 _cleanup_free_ char *id = NULL;
553 Session *session = NULL;
554 Manager *m = userdata;
566 r = sd_bus_message_read(message, "uusssssussbss", &uid, &leader, &service, &type, &class, &desktop, &cseat, &vtnr, &tty, &display, &remote, &remote_user, &remote_host);
571 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID");
574 t = _SESSION_TYPE_INVALID;
576 t = session_type_from_string(type);
578 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session type %s", type);
582 c = _SESSION_CLASS_INVALID;
584 c = session_class_from_string(class);
586 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session class %s", class);
589 if (isempty(desktop))
592 if (!string_is_safe(desktop))
593 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid desktop string %s", desktop);
599 seat = hashmap_get(m->seats, cseat);
601 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", cseat);
604 if (tty_is_vc(tty)) {
609 else if (seat != m->seat0)
610 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);
612 v = vtnr_from_tty(tty);
614 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Cannot determine VT number from virtual console TTY %s", tty);
618 else if (vtnr != (uint32_t) v)
619 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Specified TTY and VT number do not match");
621 } else if (tty_is_console(tty)) {
625 else if (seat != m->seat0)
626 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but seat is not seat0");
629 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but VT number is not 0");
633 if (seat_has_vts(seat)) {
634 if (!vtnr || vtnr > 63)
635 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "VT number out of range");
638 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat has no VTs but VT number not 0");
642 r = sd_bus_message_enter_container(message, 'a', "(sv)");
646 if (t == _SESSION_TYPE_INVALID) {
647 if (!isempty(display))
649 else if (!isempty(tty))
652 t = SESSION_UNSPECIFIED;
655 if (c == _SESSION_CLASS_INVALID) {
656 if (t == SESSION_UNSPECIFIED)
657 c = SESSION_BACKGROUND;
663 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
665 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
669 r = sd_bus_creds_get_pid(creds, (pid_t*) &leader);
674 manager_get_session_by_pid(m, leader, &session);
676 _cleanup_free_ char *path = NULL;
677 _cleanup_close_ int fifo_fd = -1;
679 /* Session already exists, client is probably
680 * something like "su" which changes uid but is still
681 * the same session */
683 fifo_fd = session_create_fifo(session);
687 path = session_bus_path(session);
691 log_debug("Sending reply about an existing session: "
692 "id=%s object_path=%s uid=%u runtime_path=%s "
693 "session_fd=%d seat=%s vtnr=%u",
696 (uint32_t) session->user->uid,
697 session->user->runtime_path,
699 session->seat ? session->seat->id : "",
700 (uint32_t) session->vtnr);
702 return sd_bus_reply_method_return(
706 session->user->runtime_path,
708 (uint32_t) session->user->uid,
709 session->seat ? session->seat->id : "",
710 (uint32_t) session->vtnr,
714 audit_session_from_pid(leader, &audit_id);
716 /* Keep our session IDs and the audit session IDs in sync */
718 if (asprintf(&id, "%"PRIu32, audit_id) < 0)
721 /* Wut? There's already a session by this name and we
722 * didn't find it above? Weird, then let's not trust
723 * the audit data and let's better register a new
725 if (hashmap_get(m->sessions, id)) {
726 log_warning("Existing logind session ID %s used by new audit session, ignoring", id);
737 if (asprintf(&id, "c%lu", ++m->session_counter) < 0)
740 } while (hashmap_get(m->sessions, id));
743 r = manager_add_user_by_uid(m, uid, &user);
747 r = manager_add_session(m, id, &session);
751 session_set_user(session, user);
753 session->leader = leader;
754 session->audit_id = audit_id;
757 session->remote = remote;
758 session->vtnr = vtnr;
761 session->tty = strdup(tty);
768 if (!isempty(display)) {
769 session->display = strdup(display);
770 if (!session->display) {
776 if (!isempty(remote_user)) {
777 session->remote_user = strdup(remote_user);
778 if (!session->remote_user) {
784 if (!isempty(remote_host)) {
785 session->remote_host = strdup(remote_host);
786 if (!session->remote_host) {
792 if (!isempty(service)) {
793 session->service = strdup(service);
794 if (!session->service) {
800 if (!isempty(desktop)) {
801 session->desktop = strdup(desktop);
802 if (!session->desktop) {
809 r = seat_attach_session(seat, session);
814 r = session_start(session);
818 session->create_message = sd_bus_message_ref(message);
820 /* Here upstream systemd starts cgroups and the user systemd,
821 and arranges to reply asynchronously. We reply
824 r = session_send_create_reply(session, NULL);
828 session_save(session);
834 session_add_to_gc_queue(session);
837 user_add_to_gc_queue(user);
842 static int method_release_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
843 Manager *m = userdata;
851 r = sd_bus_message_read(message, "s", &name);
855 r = manager_get_session_from_creds(m, message, name, error, &session);
859 r = session_release(session);
863 session_add_to_gc_queue(session);
865 return sd_bus_reply_method_return(message, NULL);
868 static int method_activate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
869 Manager *m = userdata;
877 r = sd_bus_message_read(message, "s", &name);
881 r = manager_get_session_from_creds(m, message, name, error, &session);
885 return bus_session_method_activate(message, session, error);
888 static int method_activate_session_on_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) {
889 const char *session_name, *seat_name;
890 Manager *m = userdata;
898 /* Same as ActivateSession() but refuses to work if
899 * the seat doesn't match */
901 r = sd_bus_message_read(message, "ss", &session_name, &seat_name);
905 r = manager_get_session_from_creds(m, message, session_name, error, &session);
909 r = manager_get_seat_from_creds(m, message, seat_name, error, &seat);
913 if (session->seat != seat)
914 return sd_bus_error_setf(error, BUS_ERROR_SESSION_NOT_ON_SEAT, "Session %s not on seat %s", session_name, seat_name);
916 r = session_activate(session);
920 return sd_bus_reply_method_return(message, NULL);
923 static int method_lock_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
924 Manager *m = userdata;
932 r = sd_bus_message_read(message, "s", &name);
936 r = manager_get_session_from_creds(m, message, name, error, &session);
940 return bus_session_method_lock(message, session, error);
943 static int method_lock_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) {
944 Manager *m = userdata;
950 r = bus_verify_polkit_async(
953 "org.freedesktop.login1.lock-sessions",
962 return 1; /* Will call us back */
964 r = session_send_lock_all(m, streq(sd_bus_message_get_member(message), "LockSessions"));
968 return sd_bus_reply_method_return(message, NULL);
971 static int method_kill_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
973 Manager *m = userdata;
980 r = sd_bus_message_read(message, "s", &name);
984 r = manager_get_session_from_creds(m, message, name, error, &session);
988 return bus_session_method_kill(message, session, error);
991 static int method_kill_user(sd_bus_message *message, void *userdata, sd_bus_error *error) {
992 Manager *m = userdata;
1000 r = sd_bus_message_read(message, "u", &uid);
1004 r = manager_get_user_from_creds(m, message, uid, error, &user);
1008 return bus_user_method_kill(message, user, error);
1011 static int method_terminate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1012 Manager *m = userdata;
1020 r = sd_bus_message_read(message, "s", &name);
1024 r = manager_get_session_from_creds(m, message, name, error, &session);
1028 return bus_session_method_terminate(message, session, error);
1031 static int method_terminate_user(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1032 Manager *m = userdata;
1040 r = sd_bus_message_read(message, "u", &uid);
1044 r = manager_get_user_from_creds(m, message, uid, error, &user);
1048 return bus_user_method_terminate(message, user, error);
1051 static int method_terminate_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1052 Manager *m = userdata;
1060 r = sd_bus_message_read(message, "s", &name);
1064 r = manager_get_seat_from_creds(m, message, name, error, &seat);
1068 return bus_seat_method_terminate(message, seat, error);
1071 static int method_set_user_linger(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1072 _cleanup_free_ char *cc = NULL;
1073 Manager *m = userdata;
1083 r = sd_bus_message_read(message, "ubb", &uid, &b, &interactive);
1087 if (uid == UID_INVALID) {
1088 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
1090 /* Note that we get the owner UID of the session, not the actual client UID here! */
1091 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds);
1095 r = sd_bus_creds_get_owner_uid(creds, &uid);
1103 return errno ? -errno : -ENOENT;
1105 r = bus_verify_polkit_async(
1108 "org.freedesktop.login1.set-user-linger",
1112 &m->polkit_registry,
1117 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1119 mkdir_p_label("/var/lib/systemd", 0755);
1121 r = mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0);
1125 cc = cescape(pw->pw_name);
1129 path = strjoina("/var/lib/systemd/linger/", cc);
1137 if (manager_add_user_by_uid(m, uid, &u) >= 0)
1144 if (r < 0 && errno != ENOENT)
1147 u = hashmap_get(m->users, UID_TO_PTR(uid));
1149 user_add_to_gc_queue(u);
1152 return sd_bus_reply_method_return(message, NULL);
1155 static int trigger_device(Manager *m, struct udev_device *d) {
1156 _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
1157 struct udev_list_entry *first, *item;
1162 e = udev_enumerate_new(m->udev);
1167 r = udev_enumerate_add_match_parent(e, d);
1172 r = udev_enumerate_scan_devices(e);
1176 first = udev_enumerate_get_list_entry(e);
1177 udev_list_entry_foreach(item, first) {
1178 _cleanup_free_ char *t = NULL;
1181 p = udev_list_entry_get_name(item);
1183 t = strappend(p, "/uevent");
1187 write_string_file(t, "change");
1193 static int attach_device(Manager *m, const char *seat, const char *sysfs) {
1194 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
1195 _cleanup_free_ char *rule = NULL, *file = NULL;
1196 const char *id_for_seat;
1203 d = udev_device_new_from_syspath(m->udev, sysfs);
1207 if (!udev_device_has_tag(d, "seat"))
1210 id_for_seat = udev_device_get_property_value(d, "ID_FOR_SEAT");
1214 if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0)
1217 if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0)
1220 mkdir_p_label("/etc/udev/rules.d", 0755);
1221 mac_selinux_init("/etc");
1222 r = write_string_file_atomic_label(file, rule);
1226 return trigger_device(m, d);
1229 static int flush_devices(Manager *m) {
1230 _cleanup_closedir_ DIR *d;
1234 d = opendir("/etc/udev/rules.d");
1236 if (errno != ENOENT)
1237 log_warning_errno(errno, "Failed to open /etc/udev/rules.d: %m");
1241 while ((de = readdir(d))) {
1243 if (!dirent_is_file(de))
1246 if (!startswith(de->d_name, "72-seat-"))
1249 if (!endswith(de->d_name, ".rules"))
1252 if (unlinkat(dirfd(d), de->d_name, 0) < 0)
1253 log_warning_errno(errno, "Failed to unlink %s: %m", de->d_name);
1257 return trigger_device(m, NULL);
1260 static int method_attach_device(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1261 const char *sysfs, *seat;
1262 Manager *m = userdata;
1268 r = sd_bus_message_read(message, "ssb", &seat, &sysfs, &interactive);
1272 if (!path_startswith(sysfs, "/sys"))
1273 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not in /sys", sysfs);
1275 if (!seat_name_is_valid(seat))
1276 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat %s is not valid", seat);
1278 r = bus_verify_polkit_async(
1281 "org.freedesktop.login1.attach-device",
1285 &m->polkit_registry,
1290 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1292 r = attach_device(m, seat, sysfs);
1296 return sd_bus_reply_method_return(message, NULL);
1299 static int method_flush_devices(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1300 Manager *m = userdata;
1306 r = sd_bus_message_read(message, "b", &interactive);
1310 r = bus_verify_polkit_async(
1313 "org.freedesktop.login1.flush-devices",
1317 &m->polkit_registry,
1322 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1324 r = flush_devices(m);
1328 return sd_bus_reply_method_return(message, NULL);
1331 static int have_multiple_sessions(
1340 /* Check for other users' sessions. Greeter sessions do not
1341 * count, and non-login sessions do not count either. */
1342 HASHMAP_FOREACH(session, m->sessions, i)
1343 if (session->class == SESSION_USER &&
1344 session->user->uid != uid)
1350 static int bus_manager_log_shutdown(
1353 HandleAction action) {
1359 if (w != INHIBIT_SHUTDOWN)
1363 case HANDLE_POWEROFF:
1364 p = "MESSAGE=System is powering down.";
1365 q = "SHUTDOWN=power-off";
1368 p = "MESSAGE=System is halting.";
1369 q = "SHUTDOWN=halt";
1372 p = "MESSAGE=System is rebooting.";
1373 q = "SHUTDOWN=reboot";
1376 p = "MESSAGE=System is rebooting with kexec.";
1377 q = "SHUTDOWN=kexec";
1380 p = "MESSAGE=System is shutting down.";
1384 if (!isempty(m->wall_message))
1385 p = strjoina(p, " (", m->wall_message, ")");
1387 return log_struct(LOG_NOTICE,
1388 LOG_MESSAGE_ID(SD_MESSAGE_SHUTDOWN),
1394 static int lid_switch_ignore_handler(sd_event_source *e, uint64_t usec, void *userdata) {
1395 Manager *m = userdata;
1400 m->lid_switch_ignore_event_source = sd_event_source_unref(m->lid_switch_ignore_event_source);
1404 int manager_set_lid_switch_ignore(Manager *m, usec_t until) {
1409 if (until <= now(CLOCK_MONOTONIC))
1412 /* We want to ignore the lid switch for a while after each
1413 * suspend, and after boot-up. Hence let's install a timer for
1414 * this. As long as the event source exists we ignore the lid
1417 if (m->lid_switch_ignore_event_source) {
1420 r = sd_event_source_get_time(m->lid_switch_ignore_event_source, &u);
1427 r = sd_event_source_set_time(m->lid_switch_ignore_event_source, until);
1429 r = sd_event_add_time(
1431 &m->lid_switch_ignore_event_source,
1434 lid_switch_ignore_handler, m);
1439 static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) {
1441 static const char * const signal_name[_INHIBIT_WHAT_MAX] = {
1442 [INHIBIT_SHUTDOWN] = "PrepareForShutdown",
1443 [INHIBIT_SLEEP] = "PrepareForSleep"
1446 int active = _active;
1450 assert(w < _INHIBIT_WHAT_MAX);
1451 assert(signal_name[w]);
1453 return sd_bus_emit_signal(m->bus,
1454 "/org/freedesktop/login1",
1455 "org.freedesktop.login1.Manager",
1461 static int execute_shutdown_or_sleep(
1464 HandleAction action,
1465 sd_bus_error *error) {
1467 /// elogind does not need these, we do it ourselves
1469 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
1477 assert(w < _INHIBIT_WHAT_MAX);
1479 bus_manager_log_shutdown(m, w, action);
1481 /// elogind does it directly without depending on systemd running the system
1483 r = sd_bus_call_method(
1485 "org.freedesktop.systemd1",
1486 "/org/freedesktop/systemd1",
1487 "org.freedesktop.systemd1.Manager",
1491 "ss", NULL, "replace-irreversibly");
1493 r = shutdown_or_sleep(m, action);
1498 /// elogind neither needs a dbus reply, nor supports systemd action jobs
1500 r = sd_bus_message_read(reply, "o", &p);
1508 m->action_unit = unit_name;
1509 free(m->action_job);
1514 if (w == INHIBIT_SLEEP)
1515 /* And we're back. */
1516 send_prepare_for(m, w, false);
1520 /* Make sure the lid switch is ignored for a while */
1521 manager_set_lid_switch_ignore(m, now(CLOCK_MONOTONIC) + m->holdoff_timeout_usec);
1526 static int manager_inhibit_timeout_handler(
1531 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
1532 Inhibitor *offending = NULL;
1533 Manager *manager = userdata;
1537 assert(manager->inhibit_timeout_source == s);
1539 if (manager->action_what == 0)
1542 if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0, &offending)) {
1543 _cleanup_free_ char *comm = NULL, *u = NULL;
1545 (void) get_process_comm(offending->pid, &comm);
1546 u = uid_to_name(offending->uid);
1548 log_notice("Delay lock is active (UID "UID_FMT"/%s, PID "PID_FMT"/%s) but inhibitor timeout is reached.",
1549 offending->uid, strna(u),
1550 offending->pid, strna(comm));
1553 /* Actually do the operation */
1554 r = execute_shutdown_or_sleep(manager, manager->action_what, manager->pending_action, &error);
1556 log_warning("Failed to send delayed message: %s", bus_error_message(&error, r));
1558 manager->pending_action = HANDLE_IGNORE;
1559 manager->action_what = 0;
1565 static int delay_shutdown_or_sleep(
1568 HandleAction action) {
1575 assert(w < _INHIBIT_WHAT_MAX);
1577 timeout_val = now(CLOCK_MONOTONIC) + m->inhibit_delay_max;
1579 if (m->inhibit_timeout_source) {
1580 r = sd_event_source_set_time(m->inhibit_timeout_source, timeout_val);
1582 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
1584 r = sd_event_source_set_enabled(m->inhibit_timeout_source, SD_EVENT_ONESHOT);
1586 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
1588 r = sd_event_add_time(m->event, &m->inhibit_timeout_source, CLOCK_MONOTONIC,
1589 timeout_val, 0, manager_inhibit_timeout_handler, m);
1594 m->pending_action = action;
1600 int bus_manager_shutdown_or_sleep_now_or_later(
1602 HandleAction action,
1604 sd_bus_error *error) {
1611 assert(w <= _INHIBIT_WHAT_MAX);
1613 /* Tell everybody to prepare for shutdown/sleep */
1614 send_prepare_for(m, w, true);
1617 m->inhibit_delay_max > 0 &&
1618 manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0, NULL);
1621 /* Shutdown is delayed, keep in mind what we
1622 * want to do, and start a timeout */
1623 r = delay_shutdown_or_sleep(m, w, action);
1625 /* Shutdown is not delayed, execute it
1627 r = execute_shutdown_or_sleep(m, w, action, error);
1632 static int verify_shutdown_creds(
1634 sd_bus_message *message,
1638 const char *action_multiple_sessions,
1639 const char *action_ignore_inhibit,
1640 sd_bus_error *error) {
1642 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
1643 bool multiple_sessions, blocked;
1650 assert(w <= _INHIBIT_WHAT_MAX);
1652 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds);
1656 r = sd_bus_creds_get_euid(creds, &uid);
1660 r = have_multiple_sessions(m, uid);
1664 multiple_sessions = r > 0;
1665 blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
1667 if (multiple_sessions && action_multiple_sessions) {
1668 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1672 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1675 if (blocked && action_ignore_inhibit) {
1676 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1680 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1683 if (!multiple_sessions && !blocked && action) {
1684 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1688 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1694 static int method_do_shutdown_or_sleep(
1696 sd_bus_message *message,
1697 HandleAction sleep_action,
1700 const char *action_multiple_sessions,
1701 const char *action_ignore_inhibit,
1702 const char *sleep_verb,
1703 sd_bus_error *error) {
1710 assert(w <= _INHIBIT_WHAT_MAX);
1712 r = sd_bus_message_read(message, "b", &interactive);
1716 /* Don't allow multiple jobs being executed at the same time */
1718 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "There's already a shutdown or sleep operation in progress");
1721 r = can_sleep(sleep_verb);
1726 return sd_bus_error_setf(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, "Sleep verb not supported");
1729 r = verify_shutdown_creds(m, message, w, interactive, action, action_multiple_sessions,
1730 action_ignore_inhibit, error);
1734 r = bus_manager_shutdown_or_sleep_now_or_later(m, sleep_action, w, error);
1738 return sd_bus_reply_method_return(message, NULL);
1741 static int method_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1742 Manager *m = userdata;
1744 return method_do_shutdown_or_sleep(
1748 "org.freedesktop.login1.power-off",
1749 "org.freedesktop.login1.power-off-multiple-sessions",
1750 "org.freedesktop.login1.power-off-ignore-inhibit",
1755 static int method_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1756 Manager *m = userdata;
1758 return method_do_shutdown_or_sleep(
1762 "org.freedesktop.login1.reboot",
1763 "org.freedesktop.login1.reboot-multiple-sessions",
1764 "org.freedesktop.login1.reboot-ignore-inhibit",
1769 static int method_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1770 Manager *m = userdata;
1772 return method_do_shutdown_or_sleep(
1776 "org.freedesktop.login1.suspend",
1777 "org.freedesktop.login1.suspend-multiple-sessions",
1778 "org.freedesktop.login1.suspend-ignore-inhibit",
1783 static int nologin_timeout_handler(
1788 Manager *m = userdata;
1791 log_info("Creating /run/nologin, blocking further logins...");
1793 r = write_string_file_atomic("/run/nologin", "System is going down.");
1795 log_error_errno(r, "Failed to create /run/nologin: %m");
1797 m->unlink_nologin = true;
1802 static int update_schedule_file(Manager *m) {
1803 _cleanup_free_ char *temp_path = NULL;
1804 _cleanup_fclose_ FILE *f = NULL;
1809 r = mkdir_safe_label("/run/systemd/shutdown", 0755, 0, 0);
1811 return log_error_errno(r, "Failed to create shutdown subdirectory: %m");
1813 r = fopen_temporary("/run/systemd/shutdown/scheduled", &f, &temp_path);
1815 return log_error_errno(r, "Failed to save information about scheduled shutdowns: %m");
1817 (void) fchmod(fileno(f), 0644);
1823 m->scheduled_shutdown_timeout,
1824 m->enable_wall_messages,
1825 m->scheduled_shutdown_type);
1827 if (!isempty(m->wall_message)) {
1828 _cleanup_free_ char *t;
1830 t = cescape(m->wall_message);
1836 fprintf(f, "WALL_MESSAGE=%s\n", t);
1839 r = fflush_and_check(f);
1843 if (rename(temp_path, "/run/systemd/shutdown/scheduled") < 0) {
1851 (void) unlink(temp_path);
1852 (void) unlink("/run/systemd/shutdown/scheduled");
1854 return log_error_errno(r, "Failed to write information about scheduled shutdowns: %m");
1857 static int manager_scheduled_shutdown_handler(
1862 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
1863 Manager *m = userdata;
1864 HandleAction action;
1869 if (isempty(m->scheduled_shutdown_type))
1872 if (streq(m->scheduled_shutdown_type, "halt"))
1873 action = HANDLE_HALT;
1874 else if (streq(m->scheduled_shutdown_type, "poweroff"))
1875 action = HANDLE_POWEROFF;
1877 action = HANDLE_REBOOT;
1879 r = execute_shutdown_or_sleep(m, 0, action, &error);
1881 return log_error_errno(r, "Unable to execute transition to %s: %m", m->scheduled_shutdown_type);
1886 static int method_schedule_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1887 Manager *m = userdata;
1888 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
1889 const char *action_multiple_sessions = NULL;
1890 const char *action_ignore_inhibit = NULL;
1891 const char *action = NULL;
1899 r = sd_bus_message_read(message, "st", &type, &elapse);
1903 if (streq(type, "reboot")) {
1904 action = "org.freedesktop.login1.reboot";
1905 action_multiple_sessions = "org.freedesktop.login1.reboot-multiple-sessions";
1906 action_ignore_inhibit = "org.freedesktop.login1.reboot-ignore-inhibit";
1907 } else if (streq(type, "halt")) {
1908 action = "org.freedesktop.login1.halt";
1909 action_multiple_sessions = "org.freedesktop.login1.halt-multiple-sessions";
1910 action_ignore_inhibit = "org.freedesktop.login1.halt-ignore-inhibit";
1911 } else if (streq(type, "poweroff")) {
1912 action = "org.freedesktop.login1.poweroff";
1913 action_multiple_sessions = "org.freedesktop.login1.poweroff-multiple-sessions";
1914 action_ignore_inhibit = "org.freedesktop.login1.poweroff-ignore-inhibit";
1916 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unsupported shutdown type");
1918 r = verify_shutdown_creds(m, message, INHIBIT_SHUTDOWN, false,
1919 action, action_multiple_sessions, action_ignore_inhibit, error);
1923 if (m->scheduled_shutdown_timeout_source) {
1924 r = sd_event_source_set_time(m->scheduled_shutdown_timeout_source, elapse);
1926 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
1928 r = sd_event_source_set_enabled(m->scheduled_shutdown_timeout_source, SD_EVENT_ONESHOT);
1930 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
1932 r = sd_event_add_time(m->event, &m->scheduled_shutdown_timeout_source,
1933 CLOCK_REALTIME, elapse, 0, manager_scheduled_shutdown_handler, m);
1935 return log_error_errno(r, "sd_event_add_time() failed: %m");
1938 r = free_and_strdup(&m->scheduled_shutdown_type, type);
1940 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
1944 if (m->nologin_timeout_source) {
1945 r = sd_event_source_set_time(m->nologin_timeout_source, elapse);
1947 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
1949 r = sd_event_source_set_enabled(m->nologin_timeout_source, SD_EVENT_ONESHOT);
1951 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
1953 r = sd_event_add_time(m->event, &m->nologin_timeout_source,
1954 CLOCK_REALTIME, elapse - 5 * USEC_PER_MINUTE, 0, nologin_timeout_handler, m);
1956 return log_error_errno(r, "sd_event_add_time() failed: %m");
1959 m->scheduled_shutdown_timeout = elapse;
1961 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds);
1965 (void) sd_bus_creds_get_uid(creds, &m->scheduled_shutdown_uid);
1966 (void) sd_bus_creds_get_tty(creds, &tty);
1968 r = free_and_strdup(&m->scheduled_shutdown_tty, tty);
1970 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
1975 r = manager_setup_wall_message_timer(m);
1979 if (!isempty(type)) {
1980 r = update_schedule_file(m);
1984 (void) unlink("/run/systemd/shutdown/scheduled");
1986 return sd_bus_reply_method_return(message, NULL);
1989 static int method_cancel_scheduled_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1990 Manager *m = userdata;
1996 cancelled = m->scheduled_shutdown_type != NULL;
1998 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
1999 m->wall_message_timeout_source = sd_event_source_unref(m->wall_message_timeout_source);
2000 m->nologin_timeout_source = sd_event_source_unref(m->nologin_timeout_source);
2001 m->scheduled_shutdown_type = mfree(m->scheduled_shutdown_type);
2002 m->scheduled_shutdown_timeout = 0;
2005 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
2006 const char *tty = NULL;
2010 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds);
2012 (void) sd_bus_creds_get_uid(creds, &uid);
2013 (void) sd_bus_creds_get_tty(creds, &tty);
2016 utmp_wall("The system shutdown has been cancelled",
2017 lookup_uid(uid), tty, logind_wall_tty_filter, m);
2020 return sd_bus_reply_method_return(message, "b", cancelled);
2023 static int method_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2024 Manager *m = userdata;
2026 return method_do_shutdown_or_sleep(
2030 "org.freedesktop.login1.hibernate",
2031 "org.freedesktop.login1.hibernate-multiple-sessions",
2032 "org.freedesktop.login1.hibernate-ignore-inhibit",
2037 static int method_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2038 Manager *m = userdata;
2040 return method_do_shutdown_or_sleep(
2042 HANDLE_HYBRID_SLEEP,
2044 "org.freedesktop.login1.hibernate",
2045 "org.freedesktop.login1.hibernate-multiple-sessions",
2046 "org.freedesktop.login1.hibernate-ignore-inhibit",
2051 static int method_can_shutdown_or_sleep(
2053 sd_bus_message *message,
2056 const char *action_multiple_sessions,
2057 const char *action_ignore_inhibit,
2058 const char *sleep_verb,
2059 sd_bus_error *error) {
2061 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
2062 bool multiple_sessions, challenge, blocked;
2063 const char *result = NULL;
2070 assert(w <= _INHIBIT_WHAT_MAX);
2072 assert(action_multiple_sessions);
2073 assert(action_ignore_inhibit);
2076 r = can_sleep(sleep_verb);
2080 return sd_bus_reply_method_return(message, "s", "na");
2083 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds);
2087 r = sd_bus_creds_get_euid(creds, &uid);
2091 r = have_multiple_sessions(m, uid);
2095 multiple_sessions = r > 0;
2096 blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
2098 if (multiple_sessions) {
2099 r = bus_test_polkit(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, UID_INVALID, &challenge, error);
2106 result = "challenge";
2112 r = bus_test_polkit(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, UID_INVALID, &challenge, error);
2116 if (r > 0 && !result)
2118 else if (challenge && (!result || streq(result, "yes")))
2119 result = "challenge";
2124 if (!multiple_sessions && !blocked) {
2125 /* If neither inhibit nor multiple sessions
2126 * apply then just check the normal policy */
2128 r = bus_test_polkit(message, CAP_SYS_BOOT, action, NULL, UID_INVALID, &challenge, error);
2135 result = "challenge";
2140 return sd_bus_reply_method_return(message, "s", result);
2143 static int method_can_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2144 Manager *m = userdata;
2146 return method_can_shutdown_or_sleep(
2149 "org.freedesktop.login1.power-off",
2150 "org.freedesktop.login1.power-off-multiple-sessions",
2151 "org.freedesktop.login1.power-off-ignore-inhibit",
2156 static int method_can_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2157 Manager *m = userdata;
2159 return method_can_shutdown_or_sleep(
2162 "org.freedesktop.login1.reboot",
2163 "org.freedesktop.login1.reboot-multiple-sessions",
2164 "org.freedesktop.login1.reboot-ignore-inhibit",
2169 static int method_can_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2170 Manager *m = userdata;
2172 return method_can_shutdown_or_sleep(
2175 "org.freedesktop.login1.suspend",
2176 "org.freedesktop.login1.suspend-multiple-sessions",
2177 "org.freedesktop.login1.suspend-ignore-inhibit",
2182 static int method_can_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2183 Manager *m = userdata;
2185 return method_can_shutdown_or_sleep(
2188 "org.freedesktop.login1.hibernate",
2189 "org.freedesktop.login1.hibernate-multiple-sessions",
2190 "org.freedesktop.login1.hibernate-ignore-inhibit",
2195 static int method_can_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2196 Manager *m = userdata;
2198 return method_can_shutdown_or_sleep(
2201 "org.freedesktop.login1.hibernate",
2202 "org.freedesktop.login1.hibernate-multiple-sessions",
2203 "org.freedesktop.login1.hibernate-ignore-inhibit",
2208 static int property_get_reboot_to_firmware_setup(
2211 const char *interface,
2212 const char *property,
2213 sd_bus_message *reply,
2215 sd_bus_error *error) {
2222 r = efi_get_reboot_to_firmware();
2223 if (r < 0 && r != -EOPNOTSUPP)
2226 return sd_bus_message_append(reply, "b", r > 0);
2229 static int method_set_reboot_to_firmware_setup(
2230 sd_bus_message *message,
2232 sd_bus_error *error) {
2235 Manager *m = userdata;
2240 r = sd_bus_message_read(message, "b", &b);
2244 r = bus_verify_polkit_async(message,
2246 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2250 &m->polkit_registry,
2255 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2257 r = efi_set_reboot_to_firmware(b);
2261 return sd_bus_reply_method_return(message, NULL);
2264 static int method_can_reboot_to_firmware_setup(
2265 sd_bus_message *message,
2267 sd_bus_error *error) {
2272 Manager *m = userdata;
2277 r = efi_reboot_to_firmware_supported();
2278 if (r == -EOPNOTSUPP)
2279 return sd_bus_reply_method_return(message, "s", "na");
2283 r = bus_test_polkit(message,
2285 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2296 result = "challenge";
2300 return sd_bus_reply_method_return(message, "s", result);
2303 static int method_set_wall_message(
2304 sd_bus_message *message,
2306 sd_bus_error *error) {
2309 Manager *m = userdata;
2311 int enable_wall_messages;
2316 r = sd_bus_message_read(message, "sb", &wall_message, &enable_wall_messages);
2320 r = bus_verify_polkit_async(message,
2322 "org.freedesktop.login1.set-wall-message",
2326 &m->polkit_registry,
2331 return 1; /* Will call us back */
2333 if (isempty(wall_message))
2334 m->wall_message = mfree(m->wall_message);
2336 r = free_and_strdup(&m->wall_message, wall_message);
2341 m->enable_wall_messages = enable_wall_messages;
2343 return sd_bus_reply_method_return(message, NULL);
2346 static int method_inhibit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2347 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
2348 const char *who, *why, *what, *mode;
2349 _cleanup_free_ char *id = NULL;
2350 _cleanup_close_ int fifo_fd = -1;
2351 Manager *m = userdata;
2352 Inhibitor *i = NULL;
2362 r = sd_bus_message_read(message, "ssss", &what, &who, &why, &mode);
2366 w = inhibit_what_from_string(what);
2368 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid what specification %s", what);
2370 mm = inhibit_mode_from_string(mode);
2372 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid mode specification %s", mode);
2374 /* Delay is only supported for shutdown/sleep */
2375 if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP)))
2376 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Delay inhibitors only supported for shutdown and sleep");
2378 /* Don't allow taking delay locks while we are already
2379 * executing the operation. We shouldn't create the impression
2380 * that the lock was successful if the machine is about to go
2381 * down/suspend any moment. */
2382 if (m->action_what & w)
2383 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "The operation inhibition has been requested for is already running");
2385 r = bus_verify_polkit_async(
2388 w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") :
2389 w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") :
2390 w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" :
2391 w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" :
2392 w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" :
2393 w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" :
2394 "org.freedesktop.login1.inhibit-handle-lid-switch",
2398 &m->polkit_registry,
2403 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2405 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID|SD_BUS_CREDS_PID, &creds);
2409 r = sd_bus_creds_get_euid(creds, &uid);
2413 r = sd_bus_creds_get_pid(creds, &pid);
2420 if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0)
2423 } while (hashmap_get(m->inhibitors, id));
2425 r = manager_add_inhibitor(m, id, &i);
2433 i->why = strdup(why);
2434 i->who = strdup(who);
2436 if (!i->why || !i->who) {
2441 fifo_fd = inhibitor_create_fifo(i);
2449 return sd_bus_reply_method_return(message, "h", fifo_fd);
2458 const sd_bus_vtable manager_vtable[] = {
2459 SD_BUS_VTABLE_START(0),
2461 SD_BUS_WRITABLE_PROPERTY("EnableWallMessages", "b", NULL, NULL, offsetof(Manager, enable_wall_messages), 0),
2462 SD_BUS_WRITABLE_PROPERTY("WallMessage", "s", NULL, NULL, offsetof(Manager, wall_message), 0),
2464 // SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), SD_BUS_VTABLE_PROPERTY_CONST),
2465 SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), SD_BUS_VTABLE_PROPERTY_CONST),
2466 SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), SD_BUS_VTABLE_PROPERTY_CONST),
2467 SD_BUS_PROPERTY("KillUserProcesses", "b", NULL, offsetof(Manager, kill_user_processes), SD_BUS_VTABLE_PROPERTY_CONST),
2468 SD_BUS_PROPERTY("RebootToFirmwareSetup", "b", property_get_reboot_to_firmware_setup, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2469 SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2470 SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2471 SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2472 SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2473 SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2474 SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL, offsetof(Manager, inhibit_delay_max), SD_BUS_VTABLE_PROPERTY_CONST),
2475 SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action, offsetof(Manager, handle_power_key), SD_BUS_VTABLE_PROPERTY_CONST),
2476 SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action, offsetof(Manager, handle_suspend_key), SD_BUS_VTABLE_PROPERTY_CONST),
2477 SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action, offsetof(Manager, handle_hibernate_key), SD_BUS_VTABLE_PROPERTY_CONST),
2478 SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch), SD_BUS_VTABLE_PROPERTY_CONST),
2479 SD_BUS_PROPERTY("HandleLidSwitchDocked", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_docked), SD_BUS_VTABLE_PROPERTY_CONST),
2480 SD_BUS_PROPERTY("HoldoffTimeoutUSec", "t", NULL, offsetof(Manager, holdoff_timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2481 SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action, offsetof(Manager, idle_action), SD_BUS_VTABLE_PROPERTY_CONST),
2482 SD_BUS_PROPERTY("IdleActionUSec", "t", NULL, offsetof(Manager, idle_action_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2483 SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing, 0, 0),
2484 SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing, 0, 0),
2485 SD_BUS_PROPERTY("ScheduledShutdown", "(st)", property_get_scheduled_shutdown, 0, 0),
2487 SD_BUS_METHOD("GetSession", "s", "o", method_get_session, SD_BUS_VTABLE_UNPRIVILEGED),
2488 SD_BUS_METHOD("GetSessionByPID", "u", "o", method_get_session_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
2489 SD_BUS_METHOD("GetUser", "u", "o", method_get_user, SD_BUS_VTABLE_UNPRIVILEGED),
2490 SD_BUS_METHOD("GetUserByPID", "u", "o", method_get_user_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
2491 SD_BUS_METHOD("GetSeat", "s", "o", method_get_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2492 SD_BUS_METHOD("ListSessions", NULL, "a(susso)", method_list_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2493 SD_BUS_METHOD("ListUsers", NULL, "a(uso)", method_list_users, SD_BUS_VTABLE_UNPRIVILEGED),
2494 SD_BUS_METHOD("ListSeats", NULL, "a(so)", method_list_seats, SD_BUS_VTABLE_UNPRIVILEGED),
2495 SD_BUS_METHOD("ListInhibitors", NULL, "a(ssssuu)", method_list_inhibitors, SD_BUS_VTABLE_UNPRIVILEGED),
2496 SD_BUS_METHOD("CreateSession", "uusssssussbssa(sv)", "soshusub", method_create_session, 0),
2497 SD_BUS_METHOD("ReleaseSession", "s", NULL, method_release_session, 0),
2498 SD_BUS_METHOD("ActivateSession", "s", NULL, method_activate_session, SD_BUS_VTABLE_UNPRIVILEGED),
2499 SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL, method_activate_session_on_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2500 SD_BUS_METHOD("LockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED),
2501 SD_BUS_METHOD("UnlockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED),
2502 SD_BUS_METHOD("LockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2503 SD_BUS_METHOD("UnlockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2504 SD_BUS_METHOD("KillSession", "ssi", NULL, method_kill_session, SD_BUS_VTABLE_UNPRIVILEGED),
2505 SD_BUS_METHOD("KillUser", "ui", NULL, method_kill_user, SD_BUS_VTABLE_UNPRIVILEGED),
2506 SD_BUS_METHOD("TerminateSession", "s", NULL, method_terminate_session, SD_BUS_VTABLE_UNPRIVILEGED),
2507 SD_BUS_METHOD("TerminateUser", "u", NULL, method_terminate_user, SD_BUS_VTABLE_UNPRIVILEGED),
2508 SD_BUS_METHOD("TerminateSeat", "s", NULL, method_terminate_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2509 SD_BUS_METHOD("SetUserLinger", "ubb", NULL, method_set_user_linger, SD_BUS_VTABLE_UNPRIVILEGED),
2510 SD_BUS_METHOD("AttachDevice", "ssb", NULL, method_attach_device, SD_BUS_VTABLE_UNPRIVILEGED),
2511 SD_BUS_METHOD("FlushDevices", "b", NULL, method_flush_devices, SD_BUS_VTABLE_UNPRIVILEGED),
2512 SD_BUS_METHOD("PowerOff", "b", NULL, method_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
2513 SD_BUS_METHOD("Reboot", "b", NULL, method_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
2514 SD_BUS_METHOD("Suspend", "b", NULL, method_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
2515 SD_BUS_METHOD("ScheduleShutdown", "st", NULL, method_schedule_shutdown, SD_BUS_VTABLE_UNPRIVILEGED),
2516 SD_BUS_METHOD("CancelScheduledShutdown", NULL, "b", method_cancel_scheduled_shutdown, SD_BUS_VTABLE_UNPRIVILEGED),
2517 SD_BUS_METHOD("Hibernate", "b", NULL, method_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
2518 SD_BUS_METHOD("HybridSleep", "b", NULL, method_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
2519 SD_BUS_METHOD("CanPowerOff", NULL, "s", method_can_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
2520 SD_BUS_METHOD("CanReboot", NULL, "s", method_can_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
2521 SD_BUS_METHOD("CanSuspend", NULL, "s", method_can_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
2522 SD_BUS_METHOD("CanHibernate", NULL, "s", method_can_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
2523 SD_BUS_METHOD("CanHybridSleep", NULL, "s", method_can_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
2524 SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit, SD_BUS_VTABLE_UNPRIVILEGED),
2525 SD_BUS_METHOD("CanRebootToFirmwareSetup", NULL, "s", method_can_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED),
2526 SD_BUS_METHOD("SetRebootToFirmwareSetup", "b", NULL, method_set_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED),
2527 SD_BUS_METHOD("SetWallMessage", "sb", NULL, method_set_wall_message, SD_BUS_VTABLE_UNPRIVILEGED),
2529 SD_BUS_SIGNAL("SessionNew", "so", 0),
2530 SD_BUS_SIGNAL("SessionRemoved", "so", 0),
2531 SD_BUS_SIGNAL("UserNew", "uo", 0),
2532 SD_BUS_SIGNAL("UserRemoved", "uo", 0),
2533 SD_BUS_SIGNAL("SeatNew", "so", 0),
2534 SD_BUS_SIGNAL("SeatRemoved", "so", 0),
2535 SD_BUS_SIGNAL("PrepareForShutdown", "b", 0),
2536 SD_BUS_SIGNAL("PrepareForSleep", "b", 0),
2541 /// UNNEEDED by elogind
2543 static int session_jobs_reply(Session *s, const char *unit, const char *result) {
2552 if (streq(result, "done"))
2553 r = session_send_create_reply(s, NULL);
2555 _cleanup_bus_error_free_ sd_bus_error e = SD_BUS_ERROR_NULL;
2557 sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result);
2558 r = session_send_create_reply(s, &e);
2564 int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2565 const char *path, *result, *unit;
2566 Manager *m = userdata;
2575 r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result);
2577 bus_log_parse_error(r);
2581 if (m->action_job && streq(m->action_job, path)) {
2582 log_info("Operation finished.");
2584 /* Tell people that they now may take a lock again */
2585 send_prepare_for(m, m->action_what, false);
2587 m->action_job = mfree(m->action_job);
2588 m->action_unit = NULL;
2593 session = hashmap_get(m->session_units, unit);
2596 if (streq_ptr(path, session->scope_job))
2597 session->scope_job = mfree(session->scope_job);
2599 session_jobs_reply(session, unit, result);
2601 session_save(session);
2602 session_add_to_gc_queue(session);
2605 user = hashmap_get(m->user_units, unit);
2608 if (streq_ptr(path, user->service_job))
2609 user->service_job = mfree(user->service_job);
2611 if (streq_ptr(path, user->slice_job))
2612 user->slice_job = mfree(user->slice_job);
2614 LIST_FOREACH(sessions_by_user, session, user->sessions)
2615 session_jobs_reply(session, unit, result);
2618 user_add_to_gc_queue(user);
2624 int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2625 const char *path, *unit;
2626 Manager *m = userdata;
2634 r = sd_bus_message_read(message, "so", &unit, &path);
2636 bus_log_parse_error(r);
2640 session = hashmap_get(m->session_units, unit);
2642 session_add_to_gc_queue(session);
2644 user = hashmap_get(m->user_units, unit);
2646 user_add_to_gc_queue(user);
2651 int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2652 _cleanup_free_ char *unit = NULL;
2653 Manager *m = userdata;
2662 path = sd_bus_message_get_path(message);
2666 r = unit_name_from_dbus_path(path, &unit);
2667 if (r == -EINVAL) /* not a unit */
2674 session = hashmap_get(m->session_units, unit);
2676 session_add_to_gc_queue(session);
2678 user = hashmap_get(m->user_units, unit);
2680 user_add_to_gc_queue(user);
2685 int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2686 Manager *m = userdata;
2694 r = sd_bus_message_read(message, "b", &b);
2696 bus_log_parse_error(r);
2703 /* systemd finished reloading, let's recheck all our sessions */
2704 log_debug("System manager has been reloaded, rechecking sessions...");
2706 HASHMAP_FOREACH(session, m->sessions, i)
2707 session_add_to_gc_queue(session);
2713 int manager_send_changed(Manager *manager, const char *property, ...) {
2718 l = strv_from_stdarg_alloca(property);
2720 return sd_bus_emit_properties_changed_strv(
2722 "/org/freedesktop/login1",
2723 "org.freedesktop.login1.Manager",
2727 /// UNNEEDED by elogind
2729 int manager_start_scope(
2734 const char *description,
2735 const char *after, const char *after2,
2736 sd_bus_error *error,
2739 _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
2746 r = sd_bus_message_new_method_call(
2749 "org.freedesktop.systemd1",
2750 "/org/freedesktop/systemd1",
2751 "org.freedesktop.systemd1.Manager",
2752 "StartTransientUnit");
2756 r = sd_bus_message_append(m, "ss", strempty(scope), "fail");
2760 r = sd_bus_message_open_container(m, 'a', "(sv)");
2764 if (!isempty(slice)) {
2765 r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice);
2770 if (!isempty(description)) {
2771 r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
2776 if (!isempty(after)) {
2777 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after);
2782 if (!isempty(after2)) {
2783 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2);
2788 /* cgroup empty notification is not available in containers
2789 * currently. To make this less problematic, let's shorten the
2790 * stop timeout for sessions, so that we don't wait
2793 /* Make sure that the session shells are terminated with
2794 * SIGHUP since bash and friends tend to ignore SIGTERM */
2795 r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", true);
2799 r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid);
2803 r = sd_bus_message_close_container(m);
2807 r = sd_bus_message_append(m, "a(sa(sv))", 0);
2811 r = sd_bus_call(manager->bus, m, 0, error, &reply);
2819 r = sd_bus_message_read(reply, "o", &j);
2833 int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
2834 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
2840 r = sd_bus_call_method(
2842 "org.freedesktop.systemd1",
2843 "/org/freedesktop/systemd1",
2844 "org.freedesktop.systemd1.Manager",
2848 "ss", unit, "fail");
2856 r = sd_bus_message_read(reply, "o", &j);
2870 int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
2871 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
2877 r = sd_bus_call_method(
2879 "org.freedesktop.systemd1",
2880 "/org/freedesktop/systemd1",
2881 "org.freedesktop.systemd1.Manager",
2885 "ss", unit, "fail");
2887 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
2888 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) {
2893 sd_bus_error_free(error);
2904 r = sd_bus_message_read(reply, "o", &j);
2918 int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error) {
2919 _cleanup_free_ char *path = NULL;
2925 path = unit_dbus_path_from_name(scope);
2929 r = sd_bus_call_method(
2931 "org.freedesktop.systemd1",
2933 "org.freedesktop.systemd1.Scope",
2939 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
2940 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED) ||
2941 sd_bus_error_has_name(error, BUS_ERROR_SCOPE_NOT_RUNNING)) {
2942 sd_bus_error_free(error);
2952 int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) {
2956 return sd_bus_call_method(
2958 "org.freedesktop.systemd1",
2959 "/org/freedesktop/systemd1",
2960 "org.freedesktop.systemd1.Manager",
2964 "ssi", unit, who == KILL_LEADER ? "main" : "all", signo);
2967 int manager_unit_is_active(Manager *manager, const char *unit) {
2968 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
2969 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
2970 _cleanup_free_ char *path = NULL;
2977 path = unit_dbus_path_from_name(unit);
2981 r = sd_bus_get_property(
2983 "org.freedesktop.systemd1",
2985 "org.freedesktop.systemd1.Unit",
2991 /* systemd might have droppped off momentarily, let's
2992 * not make this an error */
2993 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
2994 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
2997 /* If the unit is already unloaded then it's not
2999 if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) ||
3000 sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED))
3006 r = sd_bus_message_read(reply, "s", &state);
3010 return !streq(state, "inactive") && !streq(state, "failed");
3013 int manager_job_is_active(Manager *manager, const char *path) {
3014 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
3015 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
3021 r = sd_bus_get_property(
3023 "org.freedesktop.systemd1",
3025 "org.freedesktop.systemd1.Job",
3031 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
3032 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
3035 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT))
3041 /* We don't actually care about the state really. The fact
3042 * that we could read the job state is enough for us */