1 /* SPDX-License-Identifier: LGPL-2.1+ */
3 This file is part of systemd.
5 Copyright 2011 Lennart Poettering
7 systemd is free software; you can redistribute it and/or modify it
8 under the terms of the GNU Lesser General Public License as published by
9 the Free Software Foundation; either version 2.1 of the License, or
10 (at your option) any later version.
12 systemd is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 Lesser General Public License for more details.
17 You should have received a copy of the GNU Lesser General Public License
18 along with systemd; If not, see <http://www.gnu.org/licenses/>.
26 #include "sd-messages.h"
28 #include "alloc-util.h"
29 #include "audit-util.h"
30 #include "bus-common-errors.h"
31 #include "bus-error.h"
33 #include "dirent-util.h"
34 //#include "efivars.h"
37 #include "fileio-label.h"
38 #include "format-util.h"
42 #include "path-util.h"
43 #include "process-util.h"
44 //#include "cgroup-util.h"
45 #include "selinux-util.h"
46 #include "sleep-config.h"
47 //#include "special.h"
49 #include "terminal-util.h"
50 #include "udev-util.h"
51 #include "unit-name.h"
52 #include "user-util.h"
53 #include "utmp-wtmp.h"
55 /// Additional includes needed by elogind
56 #include "elogind-dbus.h"
58 static int get_sender_session(Manager *m, sd_bus_message *message, sd_bus_error *error, Session **ret) {
60 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
65 /* Get client login session. This is not what you are looking for these days,
66 * as apps may instead belong to a user service unit. This includes terminal
67 * emulators and hence command-line apps. */
68 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_SESSION|SD_BUS_CREDS_AUGMENT, &creds);
72 r = sd_bus_creds_get_session(creds, &name);
78 session = hashmap_get(m->sessions, name);
86 return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID,
87 "Caller does not belong to any known session");
90 int manager_get_session_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Session **ret) {
98 return get_sender_session(m, message, error, ret);
100 session = hashmap_get(m->sessions, name);
102 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
108 static int get_sender_user(Manager *m, sd_bus_message *message, sd_bus_error *error, User **ret) {
110 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
115 /* Note that we get the owner UID of the session, not the actual client UID here! */
116 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds);
120 r = sd_bus_creds_get_owner_uid(creds, &uid);
126 user = hashmap_get(m->users, UID_TO_PTR(uid));
134 return sd_bus_error_setf(error, BUS_ERROR_NO_USER_FOR_PID, "Caller does not belong to any logged in user or lingering user");
137 int manager_get_user_from_creds(Manager *m, sd_bus_message *message, uid_t uid, sd_bus_error *error, User **ret) {
144 if (!uid_is_valid(uid))
145 return get_sender_user(m, message, error, ret);
147 user = hashmap_get(m->users, UID_TO_PTR(uid));
149 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "User ID "UID_FMT" is not logged in or lingering", uid);
155 int manager_get_seat_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Seat **ret) {
166 r = manager_get_session_from_creds(m, message, NULL, error, &session);
170 seat = session->seat;
172 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "Session has no seat.");
174 seat = hashmap_get(m->seats, name);
176 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name);
183 static int property_get_idle_hint(
186 const char *interface,
187 const char *property,
188 sd_bus_message *reply,
190 sd_bus_error *error) {
192 Manager *m = userdata;
198 return sd_bus_message_append(reply, "b", manager_get_idle_hint(m, NULL) > 0);
201 static int property_get_idle_since_hint(
204 const char *interface,
205 const char *property,
206 sd_bus_message *reply,
208 sd_bus_error *error) {
210 Manager *m = userdata;
211 dual_timestamp t = DUAL_TIMESTAMP_NULL;
217 manager_get_idle_hint(m, &t);
219 return sd_bus_message_append(reply, "t", streq(property, "IdleSinceHint") ? t.realtime : t.monotonic);
222 static int property_get_inhibited(
225 const char *interface,
226 const char *property,
227 sd_bus_message *reply,
229 sd_bus_error *error) {
231 Manager *m = userdata;
238 w = manager_inhibit_what(m, streq(property, "BlockInhibited") ? INHIBIT_BLOCK : INHIBIT_DELAY);
240 return sd_bus_message_append(reply, "s", inhibit_what_to_string(w));
243 static int property_get_preparing(
246 const char *interface,
247 const char *property,
248 sd_bus_message *reply,
250 sd_bus_error *error) {
252 Manager *m = userdata;
259 if (streq(property, "PreparingForShutdown"))
260 b = !!(m->action_what & INHIBIT_SHUTDOWN);
262 b = !!(m->action_what & INHIBIT_SLEEP);
264 return sd_bus_message_append(reply, "b", b);
267 static int property_get_scheduled_shutdown(
270 const char *interface,
271 const char *property,
272 sd_bus_message *reply,
274 sd_bus_error *error) {
276 Manager *m = userdata;
283 r = sd_bus_message_open_container(reply, 'r', "st");
287 r = sd_bus_message_append(reply, "st", m->scheduled_shutdown_type, m->scheduled_shutdown_timeout);
291 return sd_bus_message_close_container(reply);
294 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_handle_action, handle_action, HandleAction);
296 static int property_get_docked(
299 const char *interface,
300 const char *property,
301 sd_bus_message *reply,
303 sd_bus_error *error) {
305 Manager *m = userdata;
311 return sd_bus_message_append(reply, "b", manager_is_docked_or_external_displays(m));
314 static int property_get_current_sessions(
317 const char *interface,
318 const char *property,
319 sd_bus_message *reply,
321 sd_bus_error *error) {
323 Manager *m = userdata;
329 return sd_bus_message_append(reply, "t", (uint64_t) hashmap_size(m->sessions));
332 static int property_get_current_inhibitors(
335 const char *interface,
336 const char *property,
337 sd_bus_message *reply,
339 sd_bus_error *error) {
341 Manager *m = userdata;
347 return sd_bus_message_append(reply, "t", (uint64_t) hashmap_size(m->inhibitors));
350 static int method_get_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
351 _cleanup_free_ char *p = NULL;
352 Manager *m = userdata;
360 r = sd_bus_message_read(message, "s", &name);
364 r = manager_get_session_from_creds(m, message, name, error, &session);
368 p = session_bus_path(session);
372 return sd_bus_reply_method_return(message, "o", p);
375 /* Get login session of a process. This is not what you are looking for these days,
376 * as apps may instead belong to a user service unit. This includes terminal
377 * emulators and hence command-line apps. */
378 static int method_get_session_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) {
379 _cleanup_free_ char *p = NULL;
380 Session *session = NULL;
381 Manager *m = userdata;
388 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
390 r = sd_bus_message_read(message, "u", &pid);
397 r = manager_get_session_from_creds(m, message, NULL, error, &session);
401 r = manager_get_session_by_pid(m, pid, &session);
406 return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, "PID "PID_FMT" does not belong to any known session", pid);
409 p = session_bus_path(session);
413 return sd_bus_reply_method_return(message, "o", p);
416 static int method_get_user(sd_bus_message *message, void *userdata, sd_bus_error *error) {
417 _cleanup_free_ char *p = NULL;
418 Manager *m = userdata;
426 r = sd_bus_message_read(message, "u", &uid);
430 r = manager_get_user_from_creds(m, message, uid, error, &user);
434 p = user_bus_path(user);
438 return sd_bus_reply_method_return(message, "o", p);
441 static int method_get_user_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) {
442 _cleanup_free_ char *p = NULL;
443 Manager *m = userdata;
451 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
453 r = sd_bus_message_read(message, "u", &pid);
460 r = manager_get_user_from_creds(m, message, UID_INVALID, error, &user);
464 r = manager_get_user_by_pid(m, pid, &user);
468 return sd_bus_error_setf(error, BUS_ERROR_NO_USER_FOR_PID,
469 "PID "PID_FMT" does not belong to any logged in user or lingering user",
473 p = user_bus_path(user);
477 return sd_bus_reply_method_return(message, "o", p);
480 static int method_get_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) {
481 _cleanup_free_ char *p = NULL;
482 Manager *m = userdata;
490 r = sd_bus_message_read(message, "s", &name);
494 r = manager_get_seat_from_creds(m, message, name, error, &seat);
498 p = seat_bus_path(seat);
502 return sd_bus_reply_method_return(message, "o", p);
505 static int method_list_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) {
506 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
507 Manager *m = userdata;
515 r = sd_bus_message_new_method_return(message, &reply);
519 r = sd_bus_message_open_container(reply, 'a', "(susso)");
523 HASHMAP_FOREACH(session, m->sessions, i) {
524 _cleanup_free_ char *p = NULL;
526 p = session_bus_path(session);
530 r = sd_bus_message_append(reply, "(susso)",
532 (uint32_t) session->user->uid,
534 session->seat ? session->seat->id : "",
540 r = sd_bus_message_close_container(reply);
544 return sd_bus_send(NULL, reply, NULL);
547 static int method_list_users(sd_bus_message *message, void *userdata, sd_bus_error *error) {
548 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
549 Manager *m = userdata;
557 r = sd_bus_message_new_method_return(message, &reply);
561 r = sd_bus_message_open_container(reply, 'a', "(uso)");
565 HASHMAP_FOREACH(user, m->users, i) {
566 _cleanup_free_ char *p = NULL;
568 p = user_bus_path(user);
572 r = sd_bus_message_append(reply, "(uso)",
573 (uint32_t) user->uid,
580 r = sd_bus_message_close_container(reply);
584 return sd_bus_send(NULL, reply, NULL);
587 static int method_list_seats(sd_bus_message *message, void *userdata, sd_bus_error *error) {
588 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
589 Manager *m = userdata;
597 r = sd_bus_message_new_method_return(message, &reply);
601 r = sd_bus_message_open_container(reply, 'a', "(so)");
605 HASHMAP_FOREACH(seat, m->seats, i) {
606 _cleanup_free_ char *p = NULL;
608 p = seat_bus_path(seat);
612 r = sd_bus_message_append(reply, "(so)", seat->id, p);
617 r = sd_bus_message_close_container(reply);
621 return sd_bus_send(NULL, reply, NULL);
624 static int method_list_inhibitors(sd_bus_message *message, void *userdata, sd_bus_error *error) {
625 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
626 Manager *m = userdata;
627 Inhibitor *inhibitor;
634 r = sd_bus_message_new_method_return(message, &reply);
638 r = sd_bus_message_open_container(reply, 'a', "(ssssuu)");
642 HASHMAP_FOREACH(inhibitor, m->inhibitors, i) {
644 r = sd_bus_message_append(reply, "(ssssuu)",
645 strempty(inhibit_what_to_string(inhibitor->what)),
646 strempty(inhibitor->who),
647 strempty(inhibitor->why),
648 strempty(inhibit_mode_to_string(inhibitor->mode)),
649 (uint32_t) inhibitor->uid,
650 (uint32_t) inhibitor->pid);
655 r = sd_bus_message_close_container(reply);
659 return sd_bus_send(NULL, reply, NULL);
662 static int method_create_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
663 const char *service, *type, *class, *cseat, *tty, *display, *remote_user, *remote_host, *desktop;
664 uint32_t audit_id = 0;
665 _cleanup_free_ char *unit = NULL;
666 _cleanup_free_ char *id = NULL;
667 Session *session = NULL;
668 Manager *m = userdata;
682 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
683 assert_cc(sizeof(uid_t) == sizeof(uint32_t));
685 r = sd_bus_message_read(message, "uusssssussbss", &uid, &leader, &service, &type, &class, &desktop, &cseat, &vtnr, &tty, &display, &remote, &remote_user, &remote_host);
689 if (!uid_is_valid(uid))
690 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid UID");
691 if (leader < 0 || leader == 1)
692 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID");
695 t = _SESSION_TYPE_INVALID;
697 t = session_type_from_string(type);
699 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session type %s", type);
703 c = _SESSION_CLASS_INVALID;
705 c = session_class_from_string(class);
707 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session class %s", class);
710 if (isempty(desktop))
713 if (!string_is_safe(desktop))
714 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid desktop string %s", desktop);
720 seat = hashmap_get(m->seats, cseat);
722 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", cseat);
725 if (tty_is_vc(tty)) {
730 else if (seat != m->seat0)
731 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "TTY %s is virtual console but seat %s is not seat0", tty, seat->id);
733 v = vtnr_from_tty(tty);
735 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Cannot determine VT number from virtual console TTY %s", tty);
739 else if (vtnr != (uint32_t) v)
740 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Specified TTY and VT number do not match");
742 } else if (tty_is_console(tty)) {
746 else if (seat != m->seat0)
747 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but seat is not seat0");
750 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but VT number is not 0");
754 if (seat_has_vts(seat)) {
755 if (!vtnr || vtnr > 63)
756 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "VT number out of range");
759 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat has no VTs but VT number not 0");
763 r = sd_bus_message_enter_container(message, 'a', "(sv)");
767 if (t == _SESSION_TYPE_INVALID) {
768 if (!isempty(display))
770 else if (!isempty(tty))
773 t = SESSION_UNSPECIFIED;
776 if (c == _SESSION_CLASS_INVALID) {
777 if (t == SESSION_UNSPECIFIED)
778 c = SESSION_BACKGROUND;
784 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
786 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
790 r = sd_bus_creds_get_pid(creds, (pid_t*) &leader);
796 * Check if we are already in a logind session. Or if we are in user@.service
797 * which is a special PAM session that avoids creating a logind session.
799 r = cg_pid_get_unit(leader, &unit);
802 if (hashmap_get(m->session_units, unit) ||
803 hashmap_get(m->user_units, unit))
804 return sd_bus_error_setf(error, BUS_ERROR_SESSION_BUSY, "Already running in a session");
807 * Old gdm and lightdm start the user-session on the same VT as
808 * the greeter session. But they destroy the greeter session
809 * after the user-session and want the user-session to take
810 * over the VT. We need to support this for
811 * backwards-compatibility, so make sure we allow new sessions
812 * on a VT that a greeter is running on. Furthermore, to allow
813 * re-logins, we have to allow a greeter to take over a used VT for
814 * the exact same reasons.
816 if (c != SESSION_GREETER &&
818 vtnr < m->seat0->position_count &&
819 m->seat0->positions[vtnr] &&
820 m->seat0->positions[vtnr]->class != SESSION_GREETER)
821 return sd_bus_error_setf(error, BUS_ERROR_SESSION_BUSY, "Already occupied by a session");
823 if (hashmap_size(m->sessions) >= m->sessions_max)
824 return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Maximum number of sessions (%" PRIu64 ") reached, refusing further sessions.", m->sessions_max);
826 (void) audit_session_from_pid(leader, &audit_id);
827 if (audit_session_is_valid(audit_id)) {
828 /* Keep our session IDs and the audit session IDs in sync */
830 if (asprintf(&id, "%"PRIu32, audit_id) < 0)
833 /* Wut? There's already a session by this name and we
834 * didn't find it above? Weird, then let's not trust
835 * the audit data and let's better register a new
837 if (hashmap_get(m->sessions, id)) {
838 log_warning("Existing logind session ID %s used by new audit session, ignoring", id);
839 audit_id = AUDIT_SESSION_INVALID;
849 if (asprintf(&id, "c%lu", ++m->session_counter) < 0)
852 } while (hashmap_get(m->sessions, id));
855 r = manager_add_user_by_uid(m, uid, &user);
859 r = manager_add_session(m, id, &session);
863 session_set_user(session, user);
865 session->leader = leader;
866 session->audit_id = audit_id;
869 session->remote = remote;
870 session->vtnr = vtnr;
873 session->tty = strdup(tty);
880 if (!isempty(display)) {
881 session->display = strdup(display);
882 if (!session->display) {
888 if (!isempty(remote_user)) {
889 session->remote_user = strdup(remote_user);
890 if (!session->remote_user) {
896 if (!isempty(remote_host)) {
897 session->remote_host = strdup(remote_host);
898 if (!session->remote_host) {
904 if (!isempty(service)) {
905 session->service = strdup(service);
906 if (!session->service) {
912 if (!isempty(desktop)) {
913 session->desktop = strdup(desktop);
914 if (!session->desktop) {
921 r = seat_attach_session(seat, session);
926 r = session_start(session);
930 session->create_message = sd_bus_message_ref(message);
932 #if 0 /// UNNEEDED by elogind
933 /* Now, let's wait until the slice unit and stuff got
934 * created. We send the reply back from
935 * session_send_create_reply(). */
937 /* We reply directly. */
939 r = session_send_create_reply(session, NULL);
948 session_add_to_gc_queue(session);
951 user_add_to_gc_queue(user);
956 static int method_release_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
957 Manager *m = userdata;
965 r = sd_bus_message_read(message, "s", &name);
969 r = manager_get_session_from_creds(m, message, name, error, &session);
973 r = session_release(session);
977 #if 1 /// elogind must queue this session
978 session_add_to_gc_queue(session);
980 return sd_bus_reply_method_return(message, NULL);
983 static int method_activate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
984 Manager *m = userdata;
992 r = sd_bus_message_read(message, "s", &name);
996 r = manager_get_session_from_creds(m, message, name, error, &session);
1000 return bus_session_method_activate(message, session, error);
1003 static int method_activate_session_on_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1004 const char *session_name, *seat_name;
1005 Manager *m = userdata;
1013 /* Same as ActivateSession() but refuses to work if
1014 * the seat doesn't match */
1016 r = sd_bus_message_read(message, "ss", &session_name, &seat_name);
1020 r = manager_get_session_from_creds(m, message, session_name, error, &session);
1024 r = manager_get_seat_from_creds(m, message, seat_name, error, &seat);
1028 if (session->seat != seat)
1029 return sd_bus_error_setf(error, BUS_ERROR_SESSION_NOT_ON_SEAT, "Session %s not on seat %s", session_name, seat_name);
1031 r = session_activate(session);
1035 return sd_bus_reply_method_return(message, NULL);
1038 static int method_lock_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1039 Manager *m = userdata;
1047 r = sd_bus_message_read(message, "s", &name);
1051 r = manager_get_session_from_creds(m, message, name, error, &session);
1055 return bus_session_method_lock(message, session, error);
1058 static int method_lock_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1059 Manager *m = userdata;
1065 r = bus_verify_polkit_async(
1068 "org.freedesktop.login1.lock-sessions",
1072 &m->polkit_registry,
1077 return 1; /* Will call us back */
1079 r = session_send_lock_all(m, streq(sd_bus_message_get_member(message), "LockSessions"));
1083 return sd_bus_reply_method_return(message, NULL);
1086 static int method_kill_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1088 Manager *m = userdata;
1095 r = sd_bus_message_read(message, "s", &name);
1099 r = manager_get_session_from_creds(m, message, name, error, &session);
1103 return bus_session_method_kill(message, session, error);
1106 static int method_kill_user(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1107 Manager *m = userdata;
1115 r = sd_bus_message_read(message, "u", &uid);
1119 r = manager_get_user_from_creds(m, message, uid, error, &user);
1123 return bus_user_method_kill(message, user, error);
1126 static int method_terminate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1127 Manager *m = userdata;
1135 r = sd_bus_message_read(message, "s", &name);
1139 r = manager_get_session_from_creds(m, message, name, error, &session);
1143 return bus_session_method_terminate(message, session, error);
1146 static int method_terminate_user(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1147 Manager *m = userdata;
1155 r = sd_bus_message_read(message, "u", &uid);
1159 r = manager_get_user_from_creds(m, message, uid, error, &user);
1163 return bus_user_method_terminate(message, user, error);
1166 static int method_terminate_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1167 Manager *m = userdata;
1175 r = sd_bus_message_read(message, "s", &name);
1179 r = manager_get_seat_from_creds(m, message, name, error, &seat);
1183 return bus_seat_method_terminate(message, seat, error);
1186 static int method_set_user_linger(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1187 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
1188 _cleanup_free_ char *cc = NULL;
1189 Manager *m = userdata;
1190 int r, b, interactive;
1193 uint32_t uid, auth_uid;
1198 r = sd_bus_message_read(message, "ubb", &uid, &b, &interactive);
1202 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID |
1203 SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds);
1207 if (!uid_is_valid(uid)) {
1208 /* Note that we get the owner UID of the session or user unit,
1209 * not the actual client UID here! */
1210 r = sd_bus_creds_get_owner_uid(creds, &uid);
1215 /* owner_uid is racy, so for authorization we must use euid */
1216 r = sd_bus_creds_get_euid(creds, &auth_uid);
1223 return errno > 0 ? -errno : -ENOENT;
1225 r = bus_verify_polkit_async(
1228 uid == auth_uid ? "org.freedesktop.login1.set-self-linger" :
1229 "org.freedesktop.login1.set-user-linger",
1233 &m->polkit_registry,
1238 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1240 mkdir_p_label("/var/lib/elogind", 0755);
1242 r = mkdir_safe_label("/var/lib/elogind/linger", 0755, 0, 0, false);
1246 cc = cescape(pw->pw_name);
1250 path = strjoina("/var/lib/elogind/linger/", cc);
1258 if (manager_add_user_by_uid(m, uid, &u) >= 0)
1265 if (r < 0 && errno != ENOENT)
1268 u = hashmap_get(m->users, UID_TO_PTR(uid));
1270 user_add_to_gc_queue(u);
1273 return sd_bus_reply_method_return(message, NULL);
1276 static int trigger_device(Manager *m, struct udev_device *d) {
1277 _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
1278 struct udev_list_entry *first, *item;
1283 e = udev_enumerate_new(m->udev);
1288 r = udev_enumerate_add_match_parent(e, d);
1293 r = udev_enumerate_scan_devices(e);
1297 first = udev_enumerate_get_list_entry(e);
1298 udev_list_entry_foreach(item, first) {
1299 _cleanup_free_ char *t = NULL;
1302 p = udev_list_entry_get_name(item);
1304 t = strappend(p, "/uevent");
1308 (void) write_string_file(t, "change", 0);
1314 static int attach_device(Manager *m, const char *seat, const char *sysfs) {
1315 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
1316 _cleanup_free_ char *rule = NULL, *file = NULL;
1317 const char *id_for_seat;
1324 d = udev_device_new_from_syspath(m->udev, sysfs);
1328 if (!udev_device_has_tag(d, "seat"))
1331 id_for_seat = udev_device_get_property_value(d, "ID_FOR_SEAT");
1335 if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0)
1338 if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0)
1341 mkdir_p_label("/etc/udev/rules.d", 0755);
1342 r = write_string_file_atomic_label(file, rule);
1346 return trigger_device(m, d);
1349 static int flush_devices(Manager *m) {
1350 _cleanup_closedir_ DIR *d;
1354 d = opendir("/etc/udev/rules.d");
1356 if (errno != ENOENT)
1357 log_warning_errno(errno, "Failed to open /etc/udev/rules.d: %m");
1361 FOREACH_DIRENT_ALL(de, d, break) {
1362 if (!dirent_is_file(de))
1365 if (!startswith(de->d_name, "72-seat-"))
1368 if (!endswith(de->d_name, ".rules"))
1371 if (unlinkat(dirfd(d), de->d_name, 0) < 0)
1372 log_warning_errno(errno, "Failed to unlink %s: %m", de->d_name);
1376 return trigger_device(m, NULL);
1379 static int method_attach_device(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1380 const char *sysfs, *seat;
1381 Manager *m = userdata;
1387 r = sd_bus_message_read(message, "ssb", &seat, &sysfs, &interactive);
1391 if (!path_startswith(sysfs, "/sys"))
1392 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not in /sys", sysfs);
1394 if (!seat_name_is_valid(seat))
1395 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat %s is not valid", seat);
1397 r = bus_verify_polkit_async(
1400 "org.freedesktop.login1.attach-device",
1404 &m->polkit_registry,
1409 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1411 r = attach_device(m, seat, sysfs);
1415 return sd_bus_reply_method_return(message, NULL);
1418 static int method_flush_devices(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1419 Manager *m = userdata;
1425 r = sd_bus_message_read(message, "b", &interactive);
1429 r = bus_verify_polkit_async(
1432 "org.freedesktop.login1.flush-devices",
1436 &m->polkit_registry,
1441 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1443 r = flush_devices(m);
1447 return sd_bus_reply_method_return(message, NULL);
1450 static int have_multiple_sessions(
1459 /* Check for other users' sessions. Greeter sessions do not
1460 * count, and non-login sessions do not count either. */
1461 HASHMAP_FOREACH(session, m->sessions, i)
1462 if (session->class == SESSION_USER &&
1463 session->user->uid != uid)
1469 #if 0 /// elogind has its own variant in elogind-dbus.c
1470 static int bus_manager_log_shutdown(
1472 const char *unit_name) {
1479 if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) {
1480 p = "MESSAGE=System is powering down";
1481 q = "SHUTDOWN=power-off";
1482 } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) {
1483 p = "MESSAGE=System is rebooting";
1484 q = "SHUTDOWN=reboot";
1485 } else if (streq(unit_name, SPECIAL_HALT_TARGET)) {
1486 p = "MESSAGE=System is halting";
1487 q = "SHUTDOWN=halt";
1488 } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) {
1489 p = "MESSAGE=System is rebooting with kexec";
1490 q = "SHUTDOWN=kexec";
1492 p = "MESSAGE=System is shutting down";
1496 if (isempty(m->wall_message))
1497 p = strjoina(p, ".");
1499 p = strjoina(p, " (", m->wall_message, ").");
1501 return log_struct(LOG_NOTICE,
1502 "MESSAGE_ID=" SD_MESSAGE_SHUTDOWN_STR,
1509 static int lid_switch_ignore_handler(sd_event_source *e, uint64_t usec, void *userdata) {
1510 Manager *m = userdata;
1515 m->lid_switch_ignore_event_source = sd_event_source_unref(m->lid_switch_ignore_event_source);
1519 int manager_set_lid_switch_ignore(Manager *m, usec_t until) {
1524 if (until <= now(CLOCK_MONOTONIC))
1527 /* We want to ignore the lid switch for a while after each
1528 * suspend, and after boot-up. Hence let's install a timer for
1529 * this. As long as the event source exists we ignore the lid
1532 if (m->lid_switch_ignore_event_source) {
1535 r = sd_event_source_get_time(m->lid_switch_ignore_event_source, &u);
1542 r = sd_event_source_set_time(m->lid_switch_ignore_event_source, until);
1544 r = sd_event_add_time(
1546 &m->lid_switch_ignore_event_source,
1549 lid_switch_ignore_handler, m);
1554 #if 0 /// elogind-dbus.c needs to access this
1555 static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) {
1557 int send_prepare_for(Manager *m, InhibitWhat w, bool _active) {
1560 static const char * const signal_name[_INHIBIT_WHAT_MAX] = {
1561 [INHIBIT_SHUTDOWN] = "PrepareForShutdown",
1562 [INHIBIT_SLEEP] = "PrepareForSleep"
1565 int active = _active;
1569 assert(w < _INHIBIT_WHAT_MAX);
1570 assert(signal_name[w]);
1572 return sd_bus_emit_signal(m->bus,
1573 "/org/freedesktop/login1",
1574 "org.freedesktop.login1.Manager",
1580 #if 0 /// elogind has its own variant in elogind-dbus.c
1581 static int execute_shutdown_or_sleep(
1584 const char *unit_name,
1585 sd_bus_error *error) {
1587 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1594 assert(w < _INHIBIT_WHAT_MAX);
1597 if (w == INHIBIT_SHUTDOWN)
1598 bus_manager_log_shutdown(m, unit_name);
1600 r = sd_bus_call_method(
1602 "org.freedesktop.systemd1",
1603 "/org/freedesktop/systemd1",
1604 "org.freedesktop.systemd1.Manager",
1608 "ss", unit_name, "replace-irreversibly");
1612 r = sd_bus_message_read(reply, "o", &p);
1622 m->action_unit = unit_name;
1623 free(m->action_job);
1627 /* Make sure the lid switch is ignored for a while */
1628 manager_set_lid_switch_ignore(m, now(CLOCK_MONOTONIC) + m->holdoff_timeout_usec);
1633 /* Tell people that they now may take a lock again */
1634 (void) send_prepare_for(m, w, false);
1640 int manager_dispatch_delayed(Manager *manager, bool timeout) {
1642 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1643 Inhibitor *offending = NULL;
1648 #if 0 /// elogind has no action_job, but a pending_action
1649 if (manager->action_what == 0 || manager->action_job)
1651 if ( (0 == manager->action_what) || (HANDLE_IGNORE == manager->pending_action) )
1655 if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0, &offending)) {
1656 _cleanup_free_ char *comm = NULL, *u = NULL;
1661 (void) get_process_comm(offending->pid, &comm);
1662 u = uid_to_name(offending->uid);
1664 log_notice("Delay lock is active (UID "UID_FMT"/%s, PID "PID_FMT"/%s) but inhibitor timeout is reached.",
1665 offending->uid, strna(u),
1666 offending->pid, strna(comm));
1669 /* Actually do the operation */
1670 #if 0 /// elogind has no action_unit but a pending_action
1671 r = execute_shutdown_or_sleep(manager, manager->action_what, manager->action_unit, &error);
1673 r = execute_shutdown_or_sleep(manager, manager->action_what, manager->pending_action, &error);
1676 log_warning("Error during inhibitor-delayed operation (already returned success to client): %s",
1677 bus_error_message(&error, r));
1680 #if 0 /// elogind has no action_unit but a pending_action
1681 manager->action_unit = NULL;
1682 manager->action_what = 0;
1685 manager->pending_action = HANDLE_IGNORE;
1686 manager->action_what = 0;
1687 /* It is not a critical error for elogind if suspending fails */
1694 static int manager_inhibit_timeout_handler(
1699 Manager *manager = userdata;
1703 assert(manager->inhibit_timeout_source == s);
1705 r = manager_dispatch_delayed(manager, true);
1706 return (r < 0) ? r : 0;
1709 #if 0 /// elogind does not have unit_name but action
1710 static int delay_shutdown_or_sleep(
1713 const char *unit_name) {
1715 int delay_shutdown_or_sleep(
1718 HandleAction action) {
1725 assert(w < _INHIBIT_WHAT_MAX);
1726 #if 0 /// UNNEEDED by elogind
1730 timeout_val = now(CLOCK_MONOTONIC) + m->inhibit_delay_max;
1732 if (m->inhibit_timeout_source) {
1733 r = sd_event_source_set_time(m->inhibit_timeout_source, timeout_val);
1735 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
1737 r = sd_event_source_set_enabled(m->inhibit_timeout_source, SD_EVENT_ONESHOT);
1739 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
1741 r = sd_event_add_time(m->event, &m->inhibit_timeout_source, CLOCK_MONOTONIC,
1742 timeout_val, 0, manager_inhibit_timeout_handler, m);
1747 #if 0 /// elogind does not have unit_name but pendig_action
1748 m->action_unit = unit_name;
1750 m->pending_action = action;
1757 int bus_manager_shutdown_or_sleep_now_or_later(
1759 #if 0 /// elogind has HandleAction instead of const char* unit_name
1760 const char *unit_name,
1762 HandleAction unit_name,
1765 sd_bus_error *error) {
1770 #if 0 /// for elogind only w has to be checked.
1773 assert(w <= _INHIBIT_WHAT_MAX);
1774 assert(!m->action_job);
1777 assert(w <= _INHIBIT_WHAT_MAX);
1780 /* Tell everybody to prepare for shutdown/sleep */
1781 (void) send_prepare_for(m, w, true);
1784 m->inhibit_delay_max > 0 &&
1785 manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0, NULL);
1787 log_debug_elogind("%s called for %s (%sdelayed)", __FUNCTION__,
1788 handle_action_to_string(unit_name),
1789 delayed ? "" : "NOT ");
1792 /* Shutdown is delayed, keep in mind what we
1793 * want to do, and start a timeout */
1794 r = delay_shutdown_or_sleep(m, w, unit_name);
1796 /* Shutdown is not delayed, execute it
1798 r = execute_shutdown_or_sleep(m, w, unit_name, error);
1803 static int verify_shutdown_creds(
1805 sd_bus_message *message,
1809 const char *action_multiple_sessions,
1810 const char *action_ignore_inhibit,
1811 sd_bus_error *error) {
1813 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
1814 bool multiple_sessions, blocked;
1821 assert(w <= _INHIBIT_WHAT_MAX);
1823 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds);
1827 r = sd_bus_creds_get_euid(creds, &uid);
1831 r = have_multiple_sessions(m, uid);
1835 multiple_sessions = r > 0;
1836 blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
1838 if (multiple_sessions && action_multiple_sessions) {
1839 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1843 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1846 if (blocked && action_ignore_inhibit) {
1847 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1851 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1854 if (!multiple_sessions && !blocked && action) {
1855 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1859 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1865 static int method_do_shutdown_or_sleep(
1867 sd_bus_message *message,
1868 #if 0 /// elogind has HandleAction instead of const char* unit_name
1869 const char *unit_name,
1871 HandleAction unit_name,
1875 const char *action_multiple_sessions,
1876 const char *action_ignore_inhibit,
1877 const char *sleep_verb,
1878 sd_bus_error *error) {
1884 #if 0 /// elogind does not need this to be checked
1888 assert(w <= _INHIBIT_WHAT_MAX);
1890 r = sd_bus_message_read(message, "b", &interactive);
1894 log_debug_elogind("%s called with action '%s', sleep '%s' (%sinteractive)",
1895 __FUNCTION__, action, sleep_verb,
1896 interactive ? "" : "NOT ");
1898 /* Don't allow multiple jobs being executed at the same time */
1900 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "There's already a shutdown or sleep operation in progress");
1903 #if 0 /// Within elogind the manager m must be provided, too
1904 r = can_sleep(sleep_verb);
1906 r = can_sleep(m, sleep_verb);
1912 return sd_bus_error_setf(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, "Sleep verb not supported");
1915 #if 0 /// Within elogind it does not make sense to verify shutdown creds when suspending
1916 r = verify_shutdown_creds(m, message, w, interactive, action, action_multiple_sessions,
1917 action_ignore_inhibit, error);
1921 if (IN_SET(unit_name, HANDLE_HALT, HANDLE_POWEROFF, HANDLE_REBOOT)) {
1922 r = verify_shutdown_creds(m, message, w, interactive, action, action_multiple_sessions,
1923 action_ignore_inhibit, error);
1924 log_debug_elogind("verify_shutdown_creds() returned %d", r);
1930 r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, error);
1934 return sd_bus_reply_method_return(message, NULL);
1937 static int method_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1938 Manager *m = userdata;
1940 log_debug_elogind("%s called", __FUNCTION__);
1942 return method_do_shutdown_or_sleep(
1944 #if 0 /// elogind uses HandleAction instead of const char* unti names
1945 SPECIAL_POWEROFF_TARGET,
1950 "org.freedesktop.login1.power-off",
1951 "org.freedesktop.login1.power-off-multiple-sessions",
1952 "org.freedesktop.login1.power-off-ignore-inhibit",
1957 static int method_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1958 Manager *m = userdata;
1960 log_debug_elogind("%s called", __FUNCTION__);
1962 return method_do_shutdown_or_sleep(
1964 #if 0 /// elogind uses HandleAction instead of const char* unti names
1965 SPECIAL_REBOOT_TARGET,
1970 "org.freedesktop.login1.reboot",
1971 "org.freedesktop.login1.reboot-multiple-sessions",
1972 "org.freedesktop.login1.reboot-ignore-inhibit",
1977 static int method_halt(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1978 Manager *m = userdata;
1980 log_debug_elogind("%s called", __FUNCTION__);
1982 return method_do_shutdown_or_sleep(
1984 #if 0 /// elogind uses HandleAction instead of const char* unti names
1985 SPECIAL_HALT_TARGET,
1990 "org.freedesktop.login1.halt",
1991 "org.freedesktop.login1.halt-multiple-sessions",
1992 "org.freedesktop.login1.halt-ignore-inhibit",
1997 static int method_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1998 Manager *m = userdata;
2000 log_debug_elogind("%s called", __FUNCTION__);
2002 return method_do_shutdown_or_sleep(
2004 #if 0 /// elogind uses HandleAction instead of const char* unti names
2005 SPECIAL_SUSPEND_TARGET,
2010 "org.freedesktop.login1.suspend",
2011 "org.freedesktop.login1.suspend-multiple-sessions",
2012 "org.freedesktop.login1.suspend-ignore-inhibit",
2017 static int method_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2018 Manager *m = userdata;
2020 log_debug_elogind("%s called", __FUNCTION__);
2022 return method_do_shutdown_or_sleep(
2024 #if 0 /// elogind uses HandleAction instead of const char* unti names
2025 SPECIAL_HIBERNATE_TARGET,
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 log_debug_elogind("%s called", __FUNCTION__);
2042 return method_do_shutdown_or_sleep(
2044 #if 0 /// elogind uses HandleAction instead of const char* unti names
2045 SPECIAL_HYBRID_SLEEP_TARGET,
2047 HANDLE_HYBRID_SLEEP,
2050 "org.freedesktop.login1.hibernate",
2051 "org.freedesktop.login1.hibernate-multiple-sessions",
2052 "org.freedesktop.login1.hibernate-ignore-inhibit",
2057 static int nologin_timeout_handler(
2062 Manager *m = userdata;
2064 log_info("Creating /run/nologin, blocking further logins...");
2067 create_shutdown_run_nologin_or_warn() >= 0;
2072 static int update_schedule_file(Manager *m) {
2073 _cleanup_free_ char *temp_path = NULL;
2074 _cleanup_fclose_ FILE *f = NULL;
2079 r = mkdir_safe_label("/run/systemd/shutdown", 0755, 0, 0, false);
2081 return log_error_errno(r, "Failed to create shutdown subdirectory: %m");
2083 r = fopen_temporary("/run/systemd/shutdown/scheduled", &f, &temp_path);
2085 return log_error_errno(r, "Failed to save information about scheduled shutdowns: %m");
2087 (void) fchmod(fileno(f), 0644);
2093 m->scheduled_shutdown_timeout,
2094 m->enable_wall_messages,
2095 m->scheduled_shutdown_type);
2097 if (!isempty(m->wall_message)) {
2098 _cleanup_free_ char *t;
2100 t = cescape(m->wall_message);
2106 fprintf(f, "WALL_MESSAGE=%s\n", t);
2109 r = fflush_and_check(f);
2113 if (rename(temp_path, "/run/systemd/shutdown/scheduled") < 0) {
2121 (void) unlink(temp_path);
2122 (void) unlink("/run/systemd/shutdown/scheduled");
2124 return log_error_errno(r, "Failed to write information about scheduled shutdowns: %m");
2127 #if 0 /// elogind must access this from elogind-dbus.c
2128 static void reset_scheduled_shutdown(Manager *m) {
2130 void reset_scheduled_shutdown(Manager *m) {
2134 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
2135 m->wall_message_timeout_source = sd_event_source_unref(m->wall_message_timeout_source);
2136 m->nologin_timeout_source = sd_event_source_unref(m->nologin_timeout_source);
2138 m->scheduled_shutdown_type = mfree(m->scheduled_shutdown_type);
2139 m->scheduled_shutdown_timeout = 0;
2140 m->shutdown_dry_run = false;
2142 if (m->unlink_nologin) {
2143 (void) unlink_or_warn("/run/nologin");
2144 m->unlink_nologin = false;
2147 (void) unlink("/run/systemd/shutdown/scheduled");
2150 #if 0 /// elogind has its own variant in elogind-dbus.c
2151 static int manager_scheduled_shutdown_handler(
2156 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2157 Manager *m = userdata;
2163 if (isempty(m->scheduled_shutdown_type))
2166 if (streq(m->scheduled_shutdown_type, "poweroff"))
2167 target = SPECIAL_POWEROFF_TARGET;
2168 else if (streq(m->scheduled_shutdown_type, "reboot"))
2169 target = SPECIAL_REBOOT_TARGET;
2170 else if (streq(m->scheduled_shutdown_type, "halt"))
2171 target = SPECIAL_HALT_TARGET;
2173 assert_not_reached("unexpected shutdown type");
2175 /* Don't allow multiple jobs being executed at the same time */
2176 if (m->action_what) {
2178 log_error("Scheduled shutdown to %s failed: shutdown or sleep operation already in progress", target);
2182 if (m->shutdown_dry_run) {
2183 /* We do not process delay inhibitors here. Otherwise, we
2184 * would have to be considered "in progress" (like the check
2185 * above) for some seconds after our admin has seen the final
2188 bus_manager_log_shutdown(m, target);
2189 log_info("Running in dry run, suppressing action.");
2190 reset_scheduled_shutdown(m);
2195 r = bus_manager_shutdown_or_sleep_now_or_later(m, target, INHIBIT_SHUTDOWN, &error);
2197 log_error_errno(r, "Scheduled shutdown to %s failed: %m", target);
2204 reset_scheduled_shutdown(m);
2209 static int method_schedule_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2210 Manager *m = userdata;
2211 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
2212 const char *action_multiple_sessions = NULL;
2213 const char *action_ignore_inhibit = NULL;
2214 const char *action = NULL;
2218 bool dry_run = false;
2223 log_debug_elogind("%s called", __FUNCTION__);
2224 r = sd_bus_message_read(message, "st", &type, &elapse);
2228 if (startswith(type, "dry-")) {
2233 if (streq(type, "poweroff")) {
2234 action = "org.freedesktop.login1.power-off";
2235 action_multiple_sessions = "org.freedesktop.login1.power-off-multiple-sessions";
2236 action_ignore_inhibit = "org.freedesktop.login1.power-off-ignore-inhibit";
2237 } else if (streq(type, "reboot")) {
2238 action = "org.freedesktop.login1.reboot";
2239 action_multiple_sessions = "org.freedesktop.login1.reboot-multiple-sessions";
2240 action_ignore_inhibit = "org.freedesktop.login1.reboot-ignore-inhibit";
2241 } else if (streq(type, "halt")) {
2242 action = "org.freedesktop.login1.halt";
2243 action_multiple_sessions = "org.freedesktop.login1.halt-multiple-sessions";
2244 action_ignore_inhibit = "org.freedesktop.login1.halt-ignore-inhibit";
2246 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unsupported shutdown type");
2248 r = verify_shutdown_creds(m, message, INHIBIT_SHUTDOWN, false,
2249 action, action_multiple_sessions, action_ignore_inhibit, error);
2253 if (m->scheduled_shutdown_timeout_source) {
2254 r = sd_event_source_set_time(m->scheduled_shutdown_timeout_source, elapse);
2256 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
2258 r = sd_event_source_set_enabled(m->scheduled_shutdown_timeout_source, SD_EVENT_ONESHOT);
2260 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
2262 r = sd_event_add_time(m->event, &m->scheduled_shutdown_timeout_source,
2263 CLOCK_REALTIME, elapse, 0, manager_scheduled_shutdown_handler, m);
2265 return log_error_errno(r, "sd_event_add_time() failed: %m");
2268 r = free_and_strdup(&m->scheduled_shutdown_type, type);
2270 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
2274 m->shutdown_dry_run = dry_run;
2276 if (m->nologin_timeout_source) {
2277 r = sd_event_source_set_time(m->nologin_timeout_source, elapse);
2279 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
2281 r = sd_event_source_set_enabled(m->nologin_timeout_source, SD_EVENT_ONESHOT);
2283 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
2285 r = sd_event_add_time(m->event, &m->nologin_timeout_source,
2286 CLOCK_REALTIME, elapse - 5 * USEC_PER_MINUTE, 0, nologin_timeout_handler, m);
2288 return log_error_errno(r, "sd_event_add_time() failed: %m");
2291 m->scheduled_shutdown_timeout = elapse;
2293 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds);
2295 const char *tty = NULL;
2297 (void) sd_bus_creds_get_uid(creds, &m->scheduled_shutdown_uid);
2298 (void) sd_bus_creds_get_tty(creds, &tty);
2300 r = free_and_strdup(&m->scheduled_shutdown_tty, tty);
2302 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
2307 r = manager_setup_wall_message_timer(m);
2311 r = update_schedule_file(m);
2315 return sd_bus_reply_method_return(message, NULL);
2318 static int method_cancel_scheduled_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2319 Manager *m = userdata;
2321 #if 1 /// elogind needs to construct the message to allow extra wall messages
2322 _cleanup_free_ char *l = NULL;
2328 log_debug_elogind("%s called", __FUNCTION__);
2329 cancelled = m->scheduled_shutdown_type != NULL;
2330 reset_scheduled_shutdown(m);
2332 if (cancelled && m->enable_wall_messages) {
2333 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
2334 const char *tty = NULL;
2338 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds);
2340 (void) sd_bus_creds_get_uid(creds, &uid);
2341 (void) sd_bus_creds_get_tty(creds, &tty);
2344 #if 0 /// elogind wants to allow extra cancellation messages
2345 utmp_wall("The system shutdown has been cancelled",
2346 uid_to_name(uid), tty, logind_wall_tty_filter, m);
2348 r = asprintf(&l, "%s%sThe system shutdown has been cancelled!",
2349 strempty(m->wall_message),
2350 isempty(m->wall_message) ? "" : "\n");
2356 utmp_wall(l, uid_to_name(uid), tty, logind_wall_tty_filter, m);
2360 return sd_bus_reply_method_return(message, "b", cancelled);
2363 static int method_can_shutdown_or_sleep(
2365 sd_bus_message *message,
2368 const char *action_multiple_sessions,
2369 const char *action_ignore_inhibit,
2370 const char *sleep_verb,
2371 sd_bus_error *error) {
2373 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
2374 bool multiple_sessions, challenge, blocked;
2375 const char *result = NULL;
2382 assert(w <= _INHIBIT_WHAT_MAX);
2384 assert(action_multiple_sessions);
2385 assert(action_ignore_inhibit);
2388 #if 0 /// elogind needs to have the manager being passed
2389 r = can_sleep(sleep_verb);
2391 r = can_sleep(m, sleep_verb);
2396 return sd_bus_reply_method_return(message, "s", "na");
2399 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds);
2403 r = sd_bus_creds_get_euid(creds, &uid);
2407 r = have_multiple_sessions(m, uid);
2411 multiple_sessions = r > 0;
2412 blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
2414 if (multiple_sessions) {
2415 r = bus_test_polkit(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, UID_INVALID, &challenge, error);
2422 result = "challenge";
2428 r = bus_test_polkit(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, UID_INVALID, &challenge, error);
2432 if (r > 0 && !result)
2434 else if (challenge && (!result || streq(result, "yes")))
2435 result = "challenge";
2440 if (!multiple_sessions && !blocked) {
2441 /* If neither inhibit nor multiple sessions
2442 * apply then just check the normal policy */
2444 r = bus_test_polkit(message, CAP_SYS_BOOT, action, NULL, UID_INVALID, &challenge, error);
2451 result = "challenge";
2456 return sd_bus_reply_method_return(message, "s", result);
2459 static int method_can_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2460 Manager *m = userdata;
2462 return method_can_shutdown_or_sleep(
2465 "org.freedesktop.login1.power-off",
2466 "org.freedesktop.login1.power-off-multiple-sessions",
2467 "org.freedesktop.login1.power-off-ignore-inhibit",
2472 static int method_can_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2473 Manager *m = userdata;
2475 return method_can_shutdown_or_sleep(
2478 "org.freedesktop.login1.reboot",
2479 "org.freedesktop.login1.reboot-multiple-sessions",
2480 "org.freedesktop.login1.reboot-ignore-inhibit",
2485 static int method_can_halt(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2486 Manager *m = userdata;
2488 return method_can_shutdown_or_sleep(
2491 "org.freedesktop.login1.halt",
2492 "org.freedesktop.login1.halt-multiple-sessions",
2493 "org.freedesktop.login1.halt-ignore-inhibit",
2498 static int method_can_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2499 Manager *m = userdata;
2501 return method_can_shutdown_or_sleep(
2504 "org.freedesktop.login1.suspend",
2505 "org.freedesktop.login1.suspend-multiple-sessions",
2506 "org.freedesktop.login1.suspend-ignore-inhibit",
2511 static int method_can_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2512 Manager *m = userdata;
2514 return method_can_shutdown_or_sleep(
2517 "org.freedesktop.login1.hibernate",
2518 "org.freedesktop.login1.hibernate-multiple-sessions",
2519 "org.freedesktop.login1.hibernate-ignore-inhibit",
2524 static int method_can_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2525 Manager *m = userdata;
2527 return method_can_shutdown_or_sleep(
2530 "org.freedesktop.login1.hibernate",
2531 "org.freedesktop.login1.hibernate-multiple-sessions",
2532 "org.freedesktop.login1.hibernate-ignore-inhibit",
2537 static int property_get_reboot_to_firmware_setup(
2540 const char *interface,
2541 const char *property,
2542 sd_bus_message *reply,
2544 sd_bus_error *error) {
2545 #if 0 /// elogind does not support EFI
2552 r = efi_get_reboot_to_firmware();
2553 if (r < 0 && r != -EOPNOTSUPP)
2554 log_warning_errno(r, "Failed to determine reboot-to-firmware state: %m");
2556 return sd_bus_message_append(reply, "b", r > 0);
2558 return sd_bus_message_append(reply, "b", false);
2562 static int method_set_reboot_to_firmware_setup(
2563 sd_bus_message *message,
2565 sd_bus_error *error) {
2568 Manager *m = userdata;
2573 r = sd_bus_message_read(message, "b", &b);
2577 r = bus_verify_polkit_async(message,
2579 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2583 &m->polkit_registry,
2588 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2590 #if 0 /// elogind does not support EFI
2591 r = efi_set_reboot_to_firmware(b);
2596 return sd_bus_reply_method_return(message, NULL);
2599 static int method_can_reboot_to_firmware_setup(
2600 sd_bus_message *message,
2602 sd_bus_error *error) {
2604 #if 0 /// elogind does not support EFI
2608 Manager *m = userdata;
2613 r = efi_reboot_to_firmware_supported();
2615 if (r != -EOPNOTSUPP)
2616 log_warning_errno(errno, "Failed to determine whether reboot to firmware is supported: %m");
2618 return sd_bus_reply_method_return(message, "s", "na");
2621 r = bus_test_polkit(message,
2623 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2634 result = "challenge";
2638 return sd_bus_reply_method_return(message, "s", result);
2640 return sd_bus_reply_method_return(message, "s", "no");
2644 static int method_set_wall_message(
2645 sd_bus_message *message,
2647 sd_bus_error *error) {
2650 Manager *m = userdata;
2652 int enable_wall_messages;
2657 r = sd_bus_message_read(message, "sb", &wall_message, &enable_wall_messages);
2661 #if 0 /// elogind only calls this for shutdown/reboot, which already needs authorization.
2662 r = bus_verify_polkit_async(message,
2664 "org.freedesktop.login1.set-wall-message",
2668 &m->polkit_registry,
2673 return 1; /* Will call us back */
2676 r = free_and_strdup(&m->wall_message, empty_to_null(wall_message));
2680 m->enable_wall_messages = enable_wall_messages;
2682 return sd_bus_reply_method_return(message, NULL);
2685 static int method_inhibit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2686 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
2687 const char *who, *why, *what, *mode;
2688 _cleanup_free_ char *id = NULL;
2689 _cleanup_close_ int fifo_fd = -1;
2690 Manager *m = userdata;
2691 Inhibitor *i = NULL;
2701 r = sd_bus_message_read(message, "ssss", &what, &who, &why, &mode);
2705 w = inhibit_what_from_string(what);
2707 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid what specification %s", what);
2709 mm = inhibit_mode_from_string(mode);
2711 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid mode specification %s", mode);
2713 /* Delay is only supported for shutdown/sleep */
2714 if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP)))
2715 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Delay inhibitors only supported for shutdown and sleep");
2717 /* Don't allow taking delay locks while we are already
2718 * executing the operation. We shouldn't create the impression
2719 * that the lock was successful if the machine is about to go
2720 * down/suspend any moment. */
2721 if (m->action_what & w)
2722 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "The operation inhibition has been requested for is already running");
2724 r = bus_verify_polkit_async(
2727 w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") :
2728 w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") :
2729 w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" :
2730 w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" :
2731 w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" :
2732 w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" :
2733 "org.freedesktop.login1.inhibit-handle-lid-switch",
2737 &m->polkit_registry,
2742 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2744 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID|SD_BUS_CREDS_PID, &creds);
2748 r = sd_bus_creds_get_euid(creds, &uid);
2752 r = sd_bus_creds_get_pid(creds, &pid);
2756 if (hashmap_size(m->inhibitors) >= m->inhibitors_max)
2757 return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Maximum number of inhibitors (%" PRIu64 ") reached, refusing further inhibitors.", m->inhibitors_max);
2762 if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0)
2765 } while (hashmap_get(m->inhibitors, id));
2767 r = manager_add_inhibitor(m, id, &i);
2775 i->why = strdup(why);
2776 i->who = strdup(who);
2778 if (!i->why || !i->who) {
2783 fifo_fd = inhibitor_create_fifo(i);
2791 return sd_bus_reply_method_return(message, "h", fifo_fd);
2800 const sd_bus_vtable manager_vtable[] = {
2801 SD_BUS_VTABLE_START(0),
2803 SD_BUS_WRITABLE_PROPERTY("EnableWallMessages", "b", NULL, NULL, offsetof(Manager, enable_wall_messages), 0),
2804 SD_BUS_WRITABLE_PROPERTY("WallMessage", "s", NULL, NULL, offsetof(Manager, wall_message), 0),
2806 #if 0 /// UNNEEDED by elogind
2807 SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), SD_BUS_VTABLE_PROPERTY_CONST),
2809 SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), SD_BUS_VTABLE_PROPERTY_CONST),
2810 SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), SD_BUS_VTABLE_PROPERTY_CONST),
2811 SD_BUS_PROPERTY("KillUserProcesses", "b", NULL, offsetof(Manager, kill_user_processes), SD_BUS_VTABLE_PROPERTY_CONST),
2812 SD_BUS_PROPERTY("RebootToFirmwareSetup", "b", property_get_reboot_to_firmware_setup, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2813 SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2814 SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2815 SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2816 SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2817 SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2818 SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL, offsetof(Manager, inhibit_delay_max), SD_BUS_VTABLE_PROPERTY_CONST),
2819 SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action, offsetof(Manager, handle_power_key), SD_BUS_VTABLE_PROPERTY_CONST),
2820 SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action, offsetof(Manager, handle_suspend_key), SD_BUS_VTABLE_PROPERTY_CONST),
2821 SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action, offsetof(Manager, handle_hibernate_key), SD_BUS_VTABLE_PROPERTY_CONST),
2822 SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch), SD_BUS_VTABLE_PROPERTY_CONST),
2823 SD_BUS_PROPERTY("HandleLidSwitchExternalPower", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_ep), SD_BUS_VTABLE_PROPERTY_CONST),
2824 SD_BUS_PROPERTY("HandleLidSwitchDocked", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_docked), SD_BUS_VTABLE_PROPERTY_CONST),
2825 SD_BUS_PROPERTY("HoldoffTimeoutUSec", "t", NULL, offsetof(Manager, holdoff_timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2826 SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action, offsetof(Manager, idle_action), SD_BUS_VTABLE_PROPERTY_CONST),
2827 SD_BUS_PROPERTY("IdleActionUSec", "t", NULL, offsetof(Manager, idle_action_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2828 SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing, 0, 0),
2829 SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing, 0, 0),
2830 SD_BUS_PROPERTY("ScheduledShutdown", "(st)", property_get_scheduled_shutdown, 0, 0),
2831 SD_BUS_PROPERTY("Docked", "b", property_get_docked, 0, 0),
2832 SD_BUS_PROPERTY("RemoveIPC", "b", bus_property_get_bool, offsetof(Manager, remove_ipc), SD_BUS_VTABLE_PROPERTY_CONST),
2833 SD_BUS_PROPERTY("RuntimeDirectorySize", "t", bus_property_get_size, offsetof(Manager, runtime_dir_size), SD_BUS_VTABLE_PROPERTY_CONST),
2834 SD_BUS_PROPERTY("InhibitorsMax", "t", NULL, offsetof(Manager, inhibitors_max), SD_BUS_VTABLE_PROPERTY_CONST),
2835 SD_BUS_PROPERTY("NCurrentInhibitors", "t", property_get_current_inhibitors, 0, 0),
2836 SD_BUS_PROPERTY("SessionsMax", "t", NULL, offsetof(Manager, sessions_max), SD_BUS_VTABLE_PROPERTY_CONST),
2837 SD_BUS_PROPERTY("NCurrentSessions", "t", property_get_current_sessions, 0, 0),
2838 SD_BUS_PROPERTY("UserTasksMax", "t", NULL, offsetof(Manager, user_tasks_max), SD_BUS_VTABLE_PROPERTY_CONST),
2840 SD_BUS_METHOD("GetSession", "s", "o", method_get_session, SD_BUS_VTABLE_UNPRIVILEGED),
2841 SD_BUS_METHOD("GetSessionByPID", "u", "o", method_get_session_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
2842 SD_BUS_METHOD("GetUser", "u", "o", method_get_user, SD_BUS_VTABLE_UNPRIVILEGED),
2843 SD_BUS_METHOD("GetUserByPID", "u", "o", method_get_user_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
2844 SD_BUS_METHOD("GetSeat", "s", "o", method_get_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2845 SD_BUS_METHOD("ListSessions", NULL, "a(susso)", method_list_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2846 SD_BUS_METHOD("ListUsers", NULL, "a(uso)", method_list_users, SD_BUS_VTABLE_UNPRIVILEGED),
2847 SD_BUS_METHOD("ListSeats", NULL, "a(so)", method_list_seats, SD_BUS_VTABLE_UNPRIVILEGED),
2848 SD_BUS_METHOD("ListInhibitors", NULL, "a(ssssuu)", method_list_inhibitors, SD_BUS_VTABLE_UNPRIVILEGED),
2849 SD_BUS_METHOD("CreateSession", "uusssssussbssa(sv)", "soshusub", method_create_session, 0),
2850 SD_BUS_METHOD("ReleaseSession", "s", NULL, method_release_session, 0),
2851 SD_BUS_METHOD("ActivateSession", "s", NULL, method_activate_session, SD_BUS_VTABLE_UNPRIVILEGED),
2852 SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL, method_activate_session_on_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2853 SD_BUS_METHOD("LockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED),
2854 SD_BUS_METHOD("UnlockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED),
2855 SD_BUS_METHOD("LockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2856 SD_BUS_METHOD("UnlockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2857 SD_BUS_METHOD("KillSession", "ssi", NULL, method_kill_session, SD_BUS_VTABLE_UNPRIVILEGED),
2858 SD_BUS_METHOD("KillUser", "ui", NULL, method_kill_user, SD_BUS_VTABLE_UNPRIVILEGED),
2859 SD_BUS_METHOD("TerminateSession", "s", NULL, method_terminate_session, SD_BUS_VTABLE_UNPRIVILEGED),
2860 SD_BUS_METHOD("TerminateUser", "u", NULL, method_terminate_user, SD_BUS_VTABLE_UNPRIVILEGED),
2861 SD_BUS_METHOD("TerminateSeat", "s", NULL, method_terminate_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2862 SD_BUS_METHOD("SetUserLinger", "ubb", NULL, method_set_user_linger, SD_BUS_VTABLE_UNPRIVILEGED),
2863 SD_BUS_METHOD("AttachDevice", "ssb", NULL, method_attach_device, SD_BUS_VTABLE_UNPRIVILEGED),
2864 SD_BUS_METHOD("FlushDevices", "b", NULL, method_flush_devices, SD_BUS_VTABLE_UNPRIVILEGED),
2865 SD_BUS_METHOD("PowerOff", "b", NULL, method_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
2866 SD_BUS_METHOD("Reboot", "b", NULL, method_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
2867 SD_BUS_METHOD("Halt", "b", NULL, method_halt, SD_BUS_VTABLE_UNPRIVILEGED),
2868 SD_BUS_METHOD("Suspend", "b", NULL, method_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
2869 SD_BUS_METHOD("Hibernate", "b", NULL, method_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
2870 SD_BUS_METHOD("HybridSleep", "b", NULL, method_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
2871 SD_BUS_METHOD("CanPowerOff", NULL, "s", method_can_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
2872 SD_BUS_METHOD("CanReboot", NULL, "s", method_can_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
2873 SD_BUS_METHOD("CanHalt", NULL, "s", method_can_halt, SD_BUS_VTABLE_UNPRIVILEGED),
2874 SD_BUS_METHOD("CanSuspend", NULL, "s", method_can_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
2875 SD_BUS_METHOD("CanHibernate", NULL, "s", method_can_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
2876 SD_BUS_METHOD("CanHybridSleep", NULL, "s", method_can_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
2877 SD_BUS_METHOD("ScheduleShutdown", "st", NULL, method_schedule_shutdown, SD_BUS_VTABLE_UNPRIVILEGED),
2878 SD_BUS_METHOD("CancelScheduledShutdown", NULL, "b", method_cancel_scheduled_shutdown, SD_BUS_VTABLE_UNPRIVILEGED),
2879 SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit, SD_BUS_VTABLE_UNPRIVILEGED),
2880 SD_BUS_METHOD("CanRebootToFirmwareSetup", NULL, "s", method_can_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED),
2881 SD_BUS_METHOD("SetRebootToFirmwareSetup", "b", NULL, method_set_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED),
2882 SD_BUS_METHOD("SetWallMessage", "sb", NULL, method_set_wall_message, SD_BUS_VTABLE_UNPRIVILEGED),
2884 SD_BUS_SIGNAL("SessionNew", "so", 0),
2885 SD_BUS_SIGNAL("SessionRemoved", "so", 0),
2886 SD_BUS_SIGNAL("UserNew", "uo", 0),
2887 SD_BUS_SIGNAL("UserRemoved", "uo", 0),
2888 SD_BUS_SIGNAL("SeatNew", "so", 0),
2889 SD_BUS_SIGNAL("SeatRemoved", "so", 0),
2890 SD_BUS_SIGNAL("PrepareForShutdown", "b", 0),
2891 SD_BUS_SIGNAL("PrepareForSleep", "b", 0),
2896 #if 0 /// UNNEEDED by elogind
2897 static int session_jobs_reply(Session *s, const char *unit, const char *result) {
2906 if (streq(result, "done"))
2907 r = session_send_create_reply(s, NULL);
2909 _cleanup_(sd_bus_error_free) sd_bus_error e = SD_BUS_ERROR_NULL;
2911 sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result);
2912 r = session_send_create_reply(s, &e);
2918 int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2919 const char *path, *result, *unit;
2920 Manager *m = userdata;
2929 r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result);
2931 bus_log_parse_error(r);
2935 if (m->action_job && streq(m->action_job, path)) {
2936 log_info("Operation '%s' finished.", inhibit_what_to_string(m->action_what));
2938 /* Tell people that they now may take a lock again */
2939 (void) send_prepare_for(m, m->action_what, false);
2941 m->action_job = mfree(m->action_job);
2942 m->action_unit = NULL;
2947 session = hashmap_get(m->session_units, unit);
2948 if (session && streq_ptr(path, session->scope_job)) {
2949 session->scope_job = mfree(session->scope_job);
2950 session_jobs_reply(session, unit, result);
2952 session_save(session);
2953 user_save(session->user);
2954 session_add_to_gc_queue(session);
2957 user = hashmap_get(m->user_units, unit);
2959 (streq_ptr(path, user->service_job) ||
2960 streq_ptr(path, user->slice_job))) {
2962 if (streq_ptr(path, user->service_job))
2963 user->service_job = mfree(user->service_job);
2965 if (streq_ptr(path, user->slice_job))
2966 user->slice_job = mfree(user->slice_job);
2968 LIST_FOREACH(sessions_by_user, session, user->sessions)
2969 session_jobs_reply(session, unit, result);
2972 user_add_to_gc_queue(user);
2978 int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2979 const char *path, *unit;
2980 Manager *m = userdata;
2988 r = sd_bus_message_read(message, "so", &unit, &path);
2990 bus_log_parse_error(r);
2994 session = hashmap_get(m->session_units, unit);
2996 session_add_to_gc_queue(session);
2998 user = hashmap_get(m->user_units, unit);
3000 user_add_to_gc_queue(user);
3005 int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
3006 _cleanup_free_ char *unit = NULL;
3007 Manager *m = userdata;
3016 path = sd_bus_message_get_path(message);
3020 r = unit_name_from_dbus_path(path, &unit);
3021 if (r == -EINVAL) /* not a unit */
3028 session = hashmap_get(m->session_units, unit);
3030 session_add_to_gc_queue(session);
3032 user = hashmap_get(m->user_units, unit);
3034 user_add_to_gc_queue(user);
3039 int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) {
3040 Manager *m = userdata;
3048 r = sd_bus_message_read(message, "b", &b);
3050 bus_log_parse_error(r);
3057 /* systemd finished reloading, let's recheck all our sessions */
3058 log_debug("System manager has been reloaded, rechecking sessions...");
3060 HASHMAP_FOREACH(session, m->sessions, i)
3061 session_add_to_gc_queue(session);
3067 int manager_send_changed(Manager *manager, const char *property, ...) {
3072 l = strv_from_stdarg_alloca(property);
3074 return sd_bus_emit_properties_changed_strv(
3076 "/org/freedesktop/login1",
3077 "org.freedesktop.login1.Manager",
3081 #if 0 /// UNNEEDED by elogind
3082 static int strdup_job(sd_bus_message *reply, char **job) {
3087 r = sd_bus_message_read(reply, "o", &j);
3099 int manager_start_slice(
3102 const char *description,
3106 sd_bus_error *error,
3109 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
3116 r = sd_bus_message_new_method_call(
3119 "org.freedesktop.systemd1",
3120 "/org/freedesktop/systemd1",
3121 "org.freedesktop.systemd1.Manager",
3122 "StartTransientUnit");
3126 r = sd_bus_message_append(m, "ss", strempty(slice), "fail");
3130 r = sd_bus_message_open_container(m, 'a', "(sv)");
3134 if (!isempty(description)) {
3135 r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
3140 if (!isempty(after)) {
3141 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after);
3146 if (!isempty(after2)) {
3147 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2);
3152 r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", tasks_max);
3156 r = sd_bus_message_close_container(m);
3160 r = sd_bus_message_append(m, "a(sa(sv))", 0);
3164 r = sd_bus_call(manager->bus, m, 0, error, &reply);
3168 return strdup_job(reply, job);
3171 int manager_start_scope(
3176 const char *description,
3180 sd_bus_error *error,
3183 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
3191 r = sd_bus_message_new_method_call(
3194 "org.freedesktop.systemd1",
3195 "/org/freedesktop/systemd1",
3196 "org.freedesktop.systemd1.Manager",
3197 "StartTransientUnit");
3201 r = sd_bus_message_append(m, "ss", strempty(scope), "fail");
3205 r = sd_bus_message_open_container(m, 'a', "(sv)");
3209 if (!isempty(slice)) {
3210 r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice);
3215 if (!isempty(description)) {
3216 r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
3221 if (!isempty(after)) {
3222 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after);
3227 if (!isempty(after2)) {
3228 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2);
3233 /* cgroup empty notification is not available in containers
3234 * currently. To make this less problematic, let's shorten the
3235 * stop timeout for sessions, so that we don't wait
3238 /* Make sure that the session shells are terminated with
3239 * SIGHUP since bash and friends tend to ignore SIGTERM */
3240 r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", true);
3244 r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid);
3248 r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", tasks_max);
3252 r = sd_bus_message_close_container(m);
3256 r = sd_bus_message_append(m, "a(sa(sv))", 0);
3260 r = sd_bus_call(manager->bus, m, 0, error, &reply);
3264 return strdup_job(reply, job);
3267 int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
3268 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3275 r = sd_bus_call_method(
3277 "org.freedesktop.systemd1",
3278 "/org/freedesktop/systemd1",
3279 "org.freedesktop.systemd1.Manager",
3283 "ss", unit, "replace");
3287 return strdup_job(reply, job);
3290 int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
3291 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3298 r = sd_bus_call_method(
3300 "org.freedesktop.systemd1",
3301 "/org/freedesktop/systemd1",
3302 "org.freedesktop.systemd1.Manager",
3306 "ss", unit, "fail");
3308 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
3309 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) {
3312 sd_bus_error_free(error);
3319 return strdup_job(reply, job);
3322 int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error) {
3323 _cleanup_free_ char *path = NULL;
3329 path = unit_dbus_path_from_name(scope);
3333 r = sd_bus_call_method(
3335 "org.freedesktop.systemd1",
3337 "org.freedesktop.systemd1.Scope",
3343 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
3344 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED) ||
3345 sd_bus_error_has_name(error, BUS_ERROR_SCOPE_NOT_RUNNING)) {
3346 sd_bus_error_free(error);
3356 int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) {
3360 return sd_bus_call_method(
3362 "org.freedesktop.systemd1",
3363 "/org/freedesktop/systemd1",
3364 "org.freedesktop.systemd1.Manager",
3368 "ssi", unit, who == KILL_LEADER ? "main" : "all", signo);
3371 int manager_unit_is_active(Manager *manager, const char *unit) {
3372 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3373 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3374 _cleanup_free_ char *path = NULL;
3381 path = unit_dbus_path_from_name(unit);
3385 r = sd_bus_get_property(
3387 "org.freedesktop.systemd1",
3389 "org.freedesktop.systemd1.Unit",
3395 /* systemd might have droppped off momentarily, let's
3396 * not make this an error */
3397 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
3398 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
3401 /* If the unit is already unloaded then it's not
3403 if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) ||
3404 sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED))
3410 r = sd_bus_message_read(reply, "s", &state);
3414 return !streq(state, "inactive") && !streq(state, "failed");
3417 int manager_job_is_active(Manager *manager, const char *path) {
3418 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3419 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3425 r = sd_bus_get_property(
3427 "org.freedesktop.systemd1",
3429 "org.freedesktop.systemd1.Job",
3435 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
3436 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
3439 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT))
3445 /* We don't actually care about the state really. The fact
3446 * that we could read the job state is enough for us */