1 /* SPDX-License-Identifier: LGPL-2.1+ */
3 This file is part of systemd.
5 Copyright 2011 Lennart Poettering
13 #include "sd-messages.h"
15 #include "alloc-util.h"
16 #include "audit-util.h"
17 #include "bus-common-errors.h"
18 #include "bus-error.h"
19 //#include "bus-unit-util.h"
21 #include "dirent-util.h"
22 //#include "efivars.h"
25 #include "fileio-label.h"
26 #include "format-util.h"
30 #include "path-util.h"
31 #include "process-util.h"
32 //#include "cgroup-util.h"
33 #include "selinux-util.h"
34 #include "sleep-config.h"
35 //#include "special.h"
37 #include "terminal-util.h"
38 #include "udev-util.h"
39 #include "unit-name.h"
40 #include "user-util.h"
41 #include "utmp-wtmp.h"
43 /// Additional includes needed by elogind
44 #include "elogind-dbus.h"
46 static int get_sender_session(Manager *m, sd_bus_message *message, sd_bus_error *error, Session **ret) {
48 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
53 /* Get client login session. This is not what you are looking for these days,
54 * as apps may instead belong to a user service unit. This includes terminal
55 * emulators and hence command-line apps. */
56 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_SESSION|SD_BUS_CREDS_AUGMENT, &creds);
60 r = sd_bus_creds_get_session(creds, &name);
66 session = hashmap_get(m->sessions, name);
74 return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID,
75 "Caller does not belong to any known session");
78 int manager_get_session_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Session **ret) {
86 return get_sender_session(m, message, error, ret);
88 session = hashmap_get(m->sessions, name);
90 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
96 static int get_sender_user(Manager *m, sd_bus_message *message, sd_bus_error *error, User **ret) {
98 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
103 /* Note that we get the owner UID of the session, not the actual client UID here! */
104 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds);
108 r = sd_bus_creds_get_owner_uid(creds, &uid);
114 user = hashmap_get(m->users, UID_TO_PTR(uid));
122 return sd_bus_error_setf(error, BUS_ERROR_NO_USER_FOR_PID, "Caller does not belong to any logged in user or lingering user");
125 int manager_get_user_from_creds(Manager *m, sd_bus_message *message, uid_t uid, sd_bus_error *error, User **ret) {
132 if (!uid_is_valid(uid))
133 return get_sender_user(m, message, error, ret);
135 user = hashmap_get(m->users, UID_TO_PTR(uid));
137 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "User ID "UID_FMT" is not logged in or lingering", uid);
143 int manager_get_seat_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Seat **ret) {
154 r = manager_get_session_from_creds(m, message, NULL, error, &session);
158 seat = session->seat;
160 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "Session has no seat.");
162 seat = hashmap_get(m->seats, name);
164 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name);
171 static int property_get_idle_hint(
174 const char *interface,
175 const char *property,
176 sd_bus_message *reply,
178 sd_bus_error *error) {
180 Manager *m = userdata;
186 return sd_bus_message_append(reply, "b", manager_get_idle_hint(m, NULL) > 0);
189 static int property_get_idle_since_hint(
192 const char *interface,
193 const char *property,
194 sd_bus_message *reply,
196 sd_bus_error *error) {
198 Manager *m = userdata;
199 dual_timestamp t = DUAL_TIMESTAMP_NULL;
205 manager_get_idle_hint(m, &t);
207 return sd_bus_message_append(reply, "t", streq(property, "IdleSinceHint") ? t.realtime : t.monotonic);
210 static int property_get_inhibited(
213 const char *interface,
214 const char *property,
215 sd_bus_message *reply,
217 sd_bus_error *error) {
219 Manager *m = userdata;
226 w = manager_inhibit_what(m, streq(property, "BlockInhibited") ? INHIBIT_BLOCK : INHIBIT_DELAY);
228 return sd_bus_message_append(reply, "s", inhibit_what_to_string(w));
231 static int property_get_preparing(
234 const char *interface,
235 const char *property,
236 sd_bus_message *reply,
238 sd_bus_error *error) {
240 Manager *m = userdata;
247 if (streq(property, "PreparingForShutdown"))
248 b = !!(m->action_what & INHIBIT_SHUTDOWN);
250 b = !!(m->action_what & INHIBIT_SLEEP);
252 return sd_bus_message_append(reply, "b", b);
255 static int property_get_scheduled_shutdown(
258 const char *interface,
259 const char *property,
260 sd_bus_message *reply,
262 sd_bus_error *error) {
264 Manager *m = userdata;
271 r = sd_bus_message_open_container(reply, 'r', "st");
275 r = sd_bus_message_append(reply, "st", m->scheduled_shutdown_type, m->scheduled_shutdown_timeout);
279 return sd_bus_message_close_container(reply);
282 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_handle_action, handle_action, HandleAction);
284 static int property_get_docked(
287 const char *interface,
288 const char *property,
289 sd_bus_message *reply,
291 sd_bus_error *error) {
293 Manager *m = userdata;
299 return sd_bus_message_append(reply, "b", manager_is_docked_or_external_displays(m));
302 static int property_get_current_sessions(
305 const char *interface,
306 const char *property,
307 sd_bus_message *reply,
309 sd_bus_error *error) {
311 Manager *m = userdata;
317 return sd_bus_message_append(reply, "t", (uint64_t) hashmap_size(m->sessions));
320 static int property_get_current_inhibitors(
323 const char *interface,
324 const char *property,
325 sd_bus_message *reply,
327 sd_bus_error *error) {
329 Manager *m = userdata;
335 return sd_bus_message_append(reply, "t", (uint64_t) hashmap_size(m->inhibitors));
338 static int property_get_compat_user_tasks_max(
341 const char *interface,
342 const char *property,
343 sd_bus_message *reply,
345 sd_bus_error *error) {
349 return sd_bus_message_append(reply, "t", CGROUP_LIMIT_MAX);
352 static int method_get_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
353 _cleanup_free_ char *p = NULL;
354 Manager *m = userdata;
362 r = sd_bus_message_read(message, "s", &name);
366 r = manager_get_session_from_creds(m, message, name, error, &session);
370 p = session_bus_path(session);
374 return sd_bus_reply_method_return(message, "o", p);
377 /* Get login session of a process. This is not what you are looking for these days,
378 * as apps may instead belong to a user service unit. This includes terminal
379 * emulators and hence command-line apps. */
380 static int method_get_session_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) {
381 _cleanup_free_ char *p = NULL;
382 Session *session = NULL;
383 Manager *m = userdata;
390 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
392 r = sd_bus_message_read(message, "u", &pid);
399 r = manager_get_session_from_creds(m, message, NULL, error, &session);
403 r = manager_get_session_by_pid(m, pid, &session);
408 return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, "PID "PID_FMT" does not belong to any known session", pid);
411 p = session_bus_path(session);
415 return sd_bus_reply_method_return(message, "o", p);
418 static int method_get_user(sd_bus_message *message, void *userdata, sd_bus_error *error) {
419 _cleanup_free_ char *p = NULL;
420 Manager *m = userdata;
428 r = sd_bus_message_read(message, "u", &uid);
432 r = manager_get_user_from_creds(m, message, uid, error, &user);
436 p = user_bus_path(user);
440 return sd_bus_reply_method_return(message, "o", p);
443 static int method_get_user_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) {
444 _cleanup_free_ char *p = NULL;
445 Manager *m = userdata;
453 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
455 r = sd_bus_message_read(message, "u", &pid);
462 r = manager_get_user_from_creds(m, message, UID_INVALID, error, &user);
466 r = manager_get_user_by_pid(m, pid, &user);
470 return sd_bus_error_setf(error, BUS_ERROR_NO_USER_FOR_PID,
471 "PID "PID_FMT" does not belong to any logged in user or lingering user",
475 p = user_bus_path(user);
479 return sd_bus_reply_method_return(message, "o", p);
482 static int method_get_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) {
483 _cleanup_free_ char *p = NULL;
484 Manager *m = userdata;
492 r = sd_bus_message_read(message, "s", &name);
496 r = manager_get_seat_from_creds(m, message, name, error, &seat);
500 p = seat_bus_path(seat);
504 return sd_bus_reply_method_return(message, "o", p);
507 static int method_list_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) {
508 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
509 Manager *m = userdata;
517 r = sd_bus_message_new_method_return(message, &reply);
521 r = sd_bus_message_open_container(reply, 'a', "(susso)");
525 HASHMAP_FOREACH(session, m->sessions, i) {
526 _cleanup_free_ char *p = NULL;
528 p = session_bus_path(session);
532 r = sd_bus_message_append(reply, "(susso)",
534 (uint32_t) session->user->uid,
536 session->seat ? session->seat->id : "",
542 r = sd_bus_message_close_container(reply);
546 return sd_bus_send(NULL, reply, NULL);
549 static int method_list_users(sd_bus_message *message, void *userdata, sd_bus_error *error) {
550 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
551 Manager *m = userdata;
559 r = sd_bus_message_new_method_return(message, &reply);
563 r = sd_bus_message_open_container(reply, 'a', "(uso)");
567 HASHMAP_FOREACH(user, m->users, i) {
568 _cleanup_free_ char *p = NULL;
570 p = user_bus_path(user);
574 r = sd_bus_message_append(reply, "(uso)",
575 (uint32_t) user->uid,
582 r = sd_bus_message_close_container(reply);
586 return sd_bus_send(NULL, reply, NULL);
589 static int method_list_seats(sd_bus_message *message, void *userdata, sd_bus_error *error) {
590 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
591 Manager *m = userdata;
599 r = sd_bus_message_new_method_return(message, &reply);
603 r = sd_bus_message_open_container(reply, 'a', "(so)");
607 HASHMAP_FOREACH(seat, m->seats, i) {
608 _cleanup_free_ char *p = NULL;
610 p = seat_bus_path(seat);
614 r = sd_bus_message_append(reply, "(so)", seat->id, p);
619 r = sd_bus_message_close_container(reply);
623 return sd_bus_send(NULL, reply, NULL);
626 static int method_list_inhibitors(sd_bus_message *message, void *userdata, sd_bus_error *error) {
627 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
628 Manager *m = userdata;
629 Inhibitor *inhibitor;
636 r = sd_bus_message_new_method_return(message, &reply);
640 r = sd_bus_message_open_container(reply, 'a', "(ssssuu)");
644 HASHMAP_FOREACH(inhibitor, m->inhibitors, i) {
646 r = sd_bus_message_append(reply, "(ssssuu)",
647 strempty(inhibit_what_to_string(inhibitor->what)),
648 strempty(inhibitor->who),
649 strempty(inhibitor->why),
650 strempty(inhibit_mode_to_string(inhibitor->mode)),
651 (uint32_t) inhibitor->uid,
652 (uint32_t) inhibitor->pid);
657 r = sd_bus_message_close_container(reply);
661 return sd_bus_send(NULL, reply, NULL);
664 static int method_create_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
665 const char *service, *type, *class, *cseat, *tty, *display, *remote_user, *remote_host, *desktop;
666 _cleanup_free_ char *id = NULL;
667 Session *session = NULL;
668 uint32_t audit_id = 0;
669 Manager *m = userdata;
683 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
684 assert_cc(sizeof(uid_t) == sizeof(uint32_t));
686 r = sd_bus_message_read(message, "uusssssussbss", &uid, &leader, &service, &type, &class, &desktop, &cseat, &vtnr, &tty, &display, &remote, &remote_user, &remote_host);
690 if (!uid_is_valid(uid))
691 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid UID");
692 if (leader < 0 || leader == 1 || leader == getpid_cached())
693 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID");
696 t = _SESSION_TYPE_INVALID;
698 t = session_type_from_string(type);
700 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session type %s", type);
704 c = _SESSION_CLASS_INVALID;
706 c = session_class_from_string(class);
708 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session class %s", class);
711 if (isempty(desktop))
714 if (!string_is_safe(desktop))
715 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid desktop string %s", desktop);
721 seat = hashmap_get(m->seats, cseat);
723 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", cseat);
726 if (tty_is_vc(tty)) {
731 else if (seat != m->seat0)
732 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);
734 v = vtnr_from_tty(tty);
736 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Cannot determine VT number from virtual console TTY %s", tty);
740 else if (vtnr != (uint32_t) v)
741 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Specified TTY and VT number do not match");
743 } else if (tty_is_console(tty)) {
747 else if (seat != m->seat0)
748 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but seat is not seat0");
751 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but VT number is not 0");
755 if (seat_has_vts(seat)) {
756 if (vtnr <= 0 || vtnr > 63)
757 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "VT number out of range");
760 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat has no VTs but VT number not 0");
764 if (t == _SESSION_TYPE_INVALID) {
765 if (!isempty(display))
767 else if (!isempty(tty))
770 t = SESSION_UNSPECIFIED;
773 if (c == _SESSION_CLASS_INVALID) {
774 if (t == SESSION_UNSPECIFIED)
775 c = SESSION_BACKGROUND;
781 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
783 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
787 r = sd_bus_creds_get_pid(creds, (pid_t*) &leader);
792 /* Check if we are already in a logind session. Or if we are in user@.service which is a special PAM session
793 * that avoids creating a logind session. */
794 r = manager_get_user_by_pid(m, leader, NULL);
798 return sd_bus_error_setf(error, BUS_ERROR_SESSION_BUSY, "Already running in a session or user slice");
801 * Old gdm and lightdm start the user-session on the same VT as
802 * the greeter session. But they destroy the greeter session
803 * after the user-session and want the user-session to take
804 * over the VT. We need to support this for
805 * backwards-compatibility, so make sure we allow new sessions
806 * on a VT that a greeter is running on. Furthermore, to allow
807 * re-logins, we have to allow a greeter to take over a used VT for
808 * the exact same reasons.
810 if (c != SESSION_GREETER &&
812 vtnr < m->seat0->position_count &&
813 m->seat0->positions[vtnr] &&
814 m->seat0->positions[vtnr]->class != SESSION_GREETER)
815 return sd_bus_error_setf(error, BUS_ERROR_SESSION_BUSY, "Already occupied by a session");
817 if (hashmap_size(m->sessions) >= m->sessions_max)
818 return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Maximum number of sessions (%" PRIu64 ") reached, refusing further sessions.", m->sessions_max);
820 (void) audit_session_from_pid(leader, &audit_id);
821 if (audit_session_is_valid(audit_id)) {
822 /* Keep our session IDs and the audit session IDs in sync */
824 if (asprintf(&id, "%"PRIu32, audit_id) < 0)
827 /* Wut? There's already a session by this name and we
828 * didn't find it above? Weird, then let's not trust
829 * the audit data and let's better register a new
831 if (hashmap_get(m->sessions, id)) {
832 log_warning("Existing logind session ID %s used by new audit session, ignoring.", id);
833 audit_id = AUDIT_SESSION_INVALID;
842 if (asprintf(&id, "c%lu", ++m->session_counter) < 0)
845 } while (hashmap_get(m->sessions, id));
848 r = manager_add_user_by_uid(m, uid, &user);
852 r = manager_add_session(m, id, &session);
856 session_set_user(session, user);
858 session->leader = leader;
859 session->audit_id = audit_id;
862 session->remote = remote;
863 session->vtnr = vtnr;
866 session->tty = strdup(tty);
873 if (!isempty(display)) {
874 session->display = strdup(display);
875 if (!session->display) {
881 if (!isempty(remote_user)) {
882 session->remote_user = strdup(remote_user);
883 if (!session->remote_user) {
889 if (!isempty(remote_host)) {
890 session->remote_host = strdup(remote_host);
891 if (!session->remote_host) {
897 if (!isempty(service)) {
898 session->service = strdup(service);
899 if (!session->service) {
905 if (!isempty(desktop)) {
906 session->desktop = strdup(desktop);
907 if (!session->desktop) {
914 r = seat_attach_session(seat, session);
919 r = sd_bus_message_enter_container(message, 'a', "(sv)");
923 r = session_start(session, message);
927 r = sd_bus_message_exit_container(message);
931 session->create_message = sd_bus_message_ref(message);
933 #if 0 /// UNNEEDED by elogind
934 /* Now, let's wait until the slice unit and stuff got 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, MKDIR_WARN_MODE);
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_unrefp) 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_unrefp) 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) {
1716 int delay_shutdown_or_sleep(
1719 HandleAction action) {
1726 assert(w < _INHIBIT_WHAT_MAX);
1727 #if 0 /// UNNEEDED by elogind
1731 timeout_val = now(CLOCK_MONOTONIC) + m->inhibit_delay_max;
1733 if (m->inhibit_timeout_source) {
1734 r = sd_event_source_set_time(m->inhibit_timeout_source, timeout_val);
1736 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
1738 r = sd_event_source_set_enabled(m->inhibit_timeout_source, SD_EVENT_ONESHOT);
1740 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
1742 r = sd_event_add_time(m->event, &m->inhibit_timeout_source, CLOCK_MONOTONIC,
1743 timeout_val, 0, manager_inhibit_timeout_handler, m);
1748 #if 0 /// elogind does not have unit_name but pendig_action
1749 m->action_unit = unit_name;
1751 m->pending_action = action;
1758 int bus_manager_shutdown_or_sleep_now_or_later(
1760 #if 0 /// elogind has HandleAction instead of const char* unit_name
1761 const char *unit_name,
1763 _cleanup_free_ char *load_state = NULL;
1765 HandleAction unit_name,
1768 sd_bus_error *error) {
1773 #if 0 /// for elogind only w has to be checked.
1776 assert(w <= _INHIBIT_WHAT_MAX);
1777 assert(!m->action_job);
1779 r = unit_load_state(m->bus, unit_name, &load_state);
1783 if (!streq(load_state, "loaded")) {
1784 log_notice("Unit %s is %s, refusing operation.", unit_name, load_state);
1789 assert(w <= _INHIBIT_WHAT_MAX);
1792 /* Tell everybody to prepare for shutdown/sleep */
1793 (void) send_prepare_for(m, w, true);
1796 m->inhibit_delay_max > 0 &&
1797 manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0, NULL);
1799 log_debug_elogind("%s called for %s (%sdelayed)", __FUNCTION__,
1800 handle_action_to_string(unit_name),
1801 delayed ? "" : "NOT ");
1803 /* Shutdown is delayed, keep in mind what we
1804 * want to do, and start a timeout */
1805 r = delay_shutdown_or_sleep(m, w, unit_name);
1807 /* Shutdown is not delayed, execute it
1809 r = execute_shutdown_or_sleep(m, w, unit_name, error);
1814 static int verify_shutdown_creds(
1816 sd_bus_message *message,
1820 const char *action_multiple_sessions,
1821 const char *action_ignore_inhibit,
1822 sd_bus_error *error) {
1824 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
1825 bool multiple_sessions, blocked;
1832 assert(w <= _INHIBIT_WHAT_MAX);
1834 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds);
1838 r = sd_bus_creds_get_euid(creds, &uid);
1842 r = have_multiple_sessions(m, uid);
1846 multiple_sessions = r > 0;
1847 blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
1849 if (multiple_sessions && action_multiple_sessions) {
1850 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1854 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1857 if (blocked && action_ignore_inhibit) {
1858 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1862 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1865 if (!multiple_sessions && !blocked && action) {
1866 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1870 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1876 static int method_do_shutdown_or_sleep(
1878 sd_bus_message *message,
1879 #if 0 /// elogind has HandleAction instead of const char* unit_name
1880 const char *unit_name,
1882 HandleAction unit_name,
1886 const char *action_multiple_sessions,
1887 const char *action_ignore_inhibit,
1888 const char *sleep_verb,
1889 sd_bus_error *error) {
1895 #if 0 /// elogind does not need this to be checked
1899 assert(w <= _INHIBIT_WHAT_MAX);
1901 r = sd_bus_message_read(message, "b", &interactive);
1905 log_debug_elogind("%s called with action '%s', sleep '%s' (%sinteractive)",
1906 __FUNCTION__, action, sleep_verb,
1907 interactive ? "" : "NOT ");
1908 /* Don't allow multiple jobs being executed at the same time */
1910 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "There's already a shutdown or sleep operation in progress");
1913 #if 0 /// Within elogind the manager m must be provided, too
1914 r = can_sleep(sleep_verb);
1916 return sd_bus_error_set(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED,
1917 "Not enough swap space for hibernation");
1919 return sd_bus_error_setf(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED,
1920 "Sleep verb \"%s\" not supported", sleep_verb);
1922 r = can_sleep(m, sleep_verb);
1928 #if 0 /// Within elogind it does not make sense to verify shutdown creds when suspending
1929 r = verify_shutdown_creds(m, message, w, interactive, action, action_multiple_sessions,
1930 action_ignore_inhibit, error);
1934 if (IN_SET(unit_name, HANDLE_HALT, HANDLE_POWEROFF, HANDLE_REBOOT)) {
1935 r = verify_shutdown_creds(m, message, w, interactive, action, action_multiple_sessions,
1936 action_ignore_inhibit, error);
1937 log_debug_elogind("verify_shutdown_creds() returned %d", r);
1943 r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, error);
1947 return sd_bus_reply_method_return(message, NULL);
1950 static int method_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1951 Manager *m = userdata;
1953 log_debug_elogind("%s called", __FUNCTION__);
1954 return method_do_shutdown_or_sleep(
1956 #if 0 /// elogind uses HandleAction instead of const char* unti names
1957 SPECIAL_POWEROFF_TARGET,
1962 "org.freedesktop.login1.power-off",
1963 "org.freedesktop.login1.power-off-multiple-sessions",
1964 "org.freedesktop.login1.power-off-ignore-inhibit",
1969 static int method_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1970 Manager *m = userdata;
1972 log_debug_elogind("%s called", __FUNCTION__);
1973 return method_do_shutdown_or_sleep(
1975 #if 0 /// elogind uses HandleAction instead of const char* unti names
1976 SPECIAL_REBOOT_TARGET,
1981 "org.freedesktop.login1.reboot",
1982 "org.freedesktop.login1.reboot-multiple-sessions",
1983 "org.freedesktop.login1.reboot-ignore-inhibit",
1988 static int method_halt(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1989 Manager *m = userdata;
1991 log_debug_elogind("%s called", __FUNCTION__);
1992 return method_do_shutdown_or_sleep(
1994 #if 0 /// elogind uses HandleAction instead of const char* unti names
1995 SPECIAL_HALT_TARGET,
2000 "org.freedesktop.login1.halt",
2001 "org.freedesktop.login1.halt-multiple-sessions",
2002 "org.freedesktop.login1.halt-ignore-inhibit",
2007 static int method_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2008 Manager *m = userdata;
2010 log_debug_elogind("%s called", __FUNCTION__);
2011 return method_do_shutdown_or_sleep(
2013 #if 0 /// elogind uses HandleAction instead of const char* unti names
2014 SPECIAL_SUSPEND_TARGET,
2019 "org.freedesktop.login1.suspend",
2020 "org.freedesktop.login1.suspend-multiple-sessions",
2021 "org.freedesktop.login1.suspend-ignore-inhibit",
2026 static int method_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2027 Manager *m = userdata;
2029 log_debug_elogind("%s called", __FUNCTION__);
2030 return method_do_shutdown_or_sleep(
2032 #if 0 /// elogind uses HandleAction instead of const char* unti names
2033 SPECIAL_HIBERNATE_TARGET,
2038 "org.freedesktop.login1.hibernate",
2039 "org.freedesktop.login1.hibernate-multiple-sessions",
2040 "org.freedesktop.login1.hibernate-ignore-inhibit",
2045 static int method_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2046 Manager *m = userdata;
2048 log_debug_elogind("%s called", __FUNCTION__);
2049 return method_do_shutdown_or_sleep(
2051 #if 0 /// elogind uses HandleAction instead of const char* unti names
2052 SPECIAL_HYBRID_SLEEP_TARGET,
2054 "org.freedesktop.login1.hibernate",
2055 "org.freedesktop.login1.hibernate-multiple-sessions",
2056 "org.freedesktop.login1.hibernate-ignore-inhibit",
2061 static int method_suspend_then_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2062 Manager *m = userdata;
2064 return method_do_shutdown_or_sleep(
2066 SPECIAL_SUSPEND_THEN_HIBERNATE_TARGET,
2068 HANDLE_HYBRID_SLEEP,
2071 "org.freedesktop.login1.hibernate",
2072 "org.freedesktop.login1.hibernate-multiple-sessions",
2073 "org.freedesktop.login1.hibernate-ignore-inhibit",
2078 static int nologin_timeout_handler(
2083 Manager *m = userdata;
2085 log_info("Creating /run/nologin, blocking further logins...");
2088 create_shutdown_run_nologin_or_warn() >= 0;
2093 static int update_schedule_file(Manager *m) {
2094 _cleanup_free_ char *temp_path = NULL;
2095 _cleanup_fclose_ FILE *f = NULL;
2100 r = mkdir_safe_label("/run/systemd/shutdown", 0755, 0, 0, MKDIR_WARN_MODE);
2102 return log_error_errno(r, "Failed to create shutdown subdirectory: %m");
2104 r = fopen_temporary("/run/systemd/shutdown/scheduled", &f, &temp_path);
2106 return log_error_errno(r, "Failed to save information about scheduled shutdowns: %m");
2108 (void) fchmod(fileno(f), 0644);
2114 m->scheduled_shutdown_timeout,
2115 m->enable_wall_messages,
2116 m->scheduled_shutdown_type);
2118 if (!isempty(m->wall_message)) {
2119 _cleanup_free_ char *t;
2121 t = cescape(m->wall_message);
2127 fprintf(f, "WALL_MESSAGE=%s\n", t);
2130 r = fflush_and_check(f);
2134 if (rename(temp_path, "/run/systemd/shutdown/scheduled") < 0) {
2142 (void) unlink(temp_path);
2143 (void) unlink("/run/systemd/shutdown/scheduled");
2145 return log_error_errno(r, "Failed to write information about scheduled shutdowns: %m");
2148 #if 0 /// elogind must access this from elogind-dbus.c
2149 static void reset_scheduled_shutdown(Manager *m) {
2151 void reset_scheduled_shutdown(Manager *m) {
2155 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
2156 m->wall_message_timeout_source = sd_event_source_unref(m->wall_message_timeout_source);
2157 m->nologin_timeout_source = sd_event_source_unref(m->nologin_timeout_source);
2159 m->scheduled_shutdown_type = mfree(m->scheduled_shutdown_type);
2160 m->scheduled_shutdown_timeout = 0;
2161 m->shutdown_dry_run = false;
2163 if (m->unlink_nologin) {
2164 (void) unlink_or_warn("/run/nologin");
2165 m->unlink_nologin = false;
2168 (void) unlink("/run/systemd/shutdown/scheduled");
2171 #if 0 /// elogind has its own variant in elogind-dbus.c
2172 static int manager_scheduled_shutdown_handler(
2177 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2178 Manager *m = userdata;
2184 if (isempty(m->scheduled_shutdown_type))
2187 if (streq(m->scheduled_shutdown_type, "poweroff"))
2188 target = SPECIAL_POWEROFF_TARGET;
2189 else if (streq(m->scheduled_shutdown_type, "reboot"))
2190 target = SPECIAL_REBOOT_TARGET;
2191 else if (streq(m->scheduled_shutdown_type, "halt"))
2192 target = SPECIAL_HALT_TARGET;
2194 assert_not_reached("unexpected shutdown type");
2196 /* Don't allow multiple jobs being executed at the same time */
2197 if (m->action_what) {
2199 log_error("Scheduled shutdown to %s failed: shutdown or sleep operation already in progress", target);
2203 if (m->shutdown_dry_run) {
2204 /* We do not process delay inhibitors here. Otherwise, we
2205 * would have to be considered "in progress" (like the check
2206 * above) for some seconds after our admin has seen the final
2209 bus_manager_log_shutdown(m, target);
2210 log_info("Running in dry run, suppressing action.");
2211 reset_scheduled_shutdown(m);
2216 r = bus_manager_shutdown_or_sleep_now_or_later(m, target, INHIBIT_SHUTDOWN, &error);
2218 log_error_errno(r, "Scheduled shutdown to %s failed: %m", target);
2225 reset_scheduled_shutdown(m);
2230 static int method_schedule_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2231 Manager *m = userdata;
2232 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
2233 const char *action_multiple_sessions = NULL;
2234 const char *action_ignore_inhibit = NULL;
2235 const char *action = NULL;
2239 bool dry_run = false;
2244 log_debug_elogind("%s called", __FUNCTION__);
2245 r = sd_bus_message_read(message, "st", &type, &elapse);
2249 if (startswith(type, "dry-")) {
2254 if (streq(type, "poweroff")) {
2255 action = "org.freedesktop.login1.power-off";
2256 action_multiple_sessions = "org.freedesktop.login1.power-off-multiple-sessions";
2257 action_ignore_inhibit = "org.freedesktop.login1.power-off-ignore-inhibit";
2258 } else if (streq(type, "reboot")) {
2259 action = "org.freedesktop.login1.reboot";
2260 action_multiple_sessions = "org.freedesktop.login1.reboot-multiple-sessions";
2261 action_ignore_inhibit = "org.freedesktop.login1.reboot-ignore-inhibit";
2262 } else if (streq(type, "halt")) {
2263 action = "org.freedesktop.login1.halt";
2264 action_multiple_sessions = "org.freedesktop.login1.halt-multiple-sessions";
2265 action_ignore_inhibit = "org.freedesktop.login1.halt-ignore-inhibit";
2267 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unsupported shutdown type");
2269 r = verify_shutdown_creds(m, message, INHIBIT_SHUTDOWN, false,
2270 action, action_multiple_sessions, action_ignore_inhibit, error);
2274 if (m->scheduled_shutdown_timeout_source) {
2275 r = sd_event_source_set_time(m->scheduled_shutdown_timeout_source, elapse);
2277 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
2279 r = sd_event_source_set_enabled(m->scheduled_shutdown_timeout_source, SD_EVENT_ONESHOT);
2281 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
2283 r = sd_event_add_time(m->event, &m->scheduled_shutdown_timeout_source,
2284 CLOCK_REALTIME, elapse, 0, manager_scheduled_shutdown_handler, m);
2286 return log_error_errno(r, "sd_event_add_time() failed: %m");
2289 r = free_and_strdup(&m->scheduled_shutdown_type, type);
2291 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
2295 m->shutdown_dry_run = dry_run;
2297 if (m->nologin_timeout_source) {
2298 r = sd_event_source_set_time(m->nologin_timeout_source, elapse);
2300 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
2302 r = sd_event_source_set_enabled(m->nologin_timeout_source, SD_EVENT_ONESHOT);
2304 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
2306 r = sd_event_add_time(m->event, &m->nologin_timeout_source,
2307 CLOCK_REALTIME, elapse - 5 * USEC_PER_MINUTE, 0, nologin_timeout_handler, m);
2309 return log_error_errno(r, "sd_event_add_time() failed: %m");
2312 m->scheduled_shutdown_timeout = elapse;
2314 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds);
2316 const char *tty = NULL;
2318 (void) sd_bus_creds_get_uid(creds, &m->scheduled_shutdown_uid);
2319 (void) sd_bus_creds_get_tty(creds, &tty);
2321 r = free_and_strdup(&m->scheduled_shutdown_tty, tty);
2323 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
2328 r = manager_setup_wall_message_timer(m);
2332 r = update_schedule_file(m);
2336 return sd_bus_reply_method_return(message, NULL);
2339 static int method_cancel_scheduled_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2340 Manager *m = userdata;
2342 #if 1 /// elogind needs to construct the message to allow extra wall messages
2343 _cleanup_free_ char *l = NULL;
2349 log_debug_elogind("%s called", __FUNCTION__);
2350 cancelled = m->scheduled_shutdown_type != NULL;
2351 reset_scheduled_shutdown(m);
2353 if (cancelled && m->enable_wall_messages) {
2354 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
2355 const char *tty = NULL;
2359 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds);
2361 (void) sd_bus_creds_get_uid(creds, &uid);
2362 (void) sd_bus_creds_get_tty(creds, &tty);
2365 #if 0 /// elogind wants to allow extra cancellation messages
2366 utmp_wall("The system shutdown has been cancelled",
2367 uid_to_name(uid), tty, logind_wall_tty_filter, m);
2369 r = asprintf(&l, "%s%sThe system shutdown has been cancelled!",
2370 strempty(m->wall_message),
2371 isempty(m->wall_message) ? "" : "\n");
2377 utmp_wall(l, uid_to_name(uid), tty, logind_wall_tty_filter, m);
2381 return sd_bus_reply_method_return(message, "b", cancelled);
2384 static int method_can_shutdown_or_sleep(
2386 sd_bus_message *message,
2389 const char *action_multiple_sessions,
2390 const char *action_ignore_inhibit,
2391 const char *sleep_verb,
2392 sd_bus_error *error) {
2394 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
2395 HandleAction handle;
2396 bool multiple_sessions, challenge, blocked;
2397 const char *result = NULL;
2404 assert(w <= _INHIBIT_WHAT_MAX);
2406 assert(action_multiple_sessions);
2407 assert(action_ignore_inhibit);
2410 #if 0 /// elogind needs to have the manager being passed
2411 r = can_sleep(sleep_verb);
2412 if (IN_SET(r, 0, -ENOSPC))
2413 return sd_bus_reply_method_return(message, "s", "na");
2415 r = can_sleep(m, sleep_verb);
2421 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds);
2425 r = sd_bus_creds_get_euid(creds, &uid);
2429 r = have_multiple_sessions(m, uid);
2433 multiple_sessions = r > 0;
2434 blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
2436 handle = handle_action_from_string(sleep_verb);
2440 target = manager_target_for_action(handle);
2442 _cleanup_free_ char *load_state = NULL;
2444 r = unit_load_state(m->bus, target, &load_state);
2448 if (!streq(load_state, "loaded")) {
2455 if (multiple_sessions) {
2456 r = bus_test_polkit(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, UID_INVALID, &challenge, error);
2463 result = "challenge";
2469 r = bus_test_polkit(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, UID_INVALID, &challenge, error);
2473 if (r > 0 && !result)
2475 else if (challenge && (!result || streq(result, "yes")))
2476 result = "challenge";
2481 if (!multiple_sessions && !blocked) {
2482 /* If neither inhibit nor multiple sessions
2483 * apply then just check the normal policy */
2485 r = bus_test_polkit(message, CAP_SYS_BOOT, action, NULL, UID_INVALID, &challenge, error);
2492 result = "challenge";
2498 return sd_bus_reply_method_return(message, "s", result);
2501 static int method_can_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2502 Manager *m = userdata;
2504 return method_can_shutdown_or_sleep(
2507 "org.freedesktop.login1.power-off",
2508 "org.freedesktop.login1.power-off-multiple-sessions",
2509 "org.freedesktop.login1.power-off-ignore-inhibit",
2514 static int method_can_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2515 Manager *m = userdata;
2517 return method_can_shutdown_or_sleep(
2520 "org.freedesktop.login1.reboot",
2521 "org.freedesktop.login1.reboot-multiple-sessions",
2522 "org.freedesktop.login1.reboot-ignore-inhibit",
2527 static int method_can_halt(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2528 Manager *m = userdata;
2530 return method_can_shutdown_or_sleep(
2533 "org.freedesktop.login1.halt",
2534 "org.freedesktop.login1.halt-multiple-sessions",
2535 "org.freedesktop.login1.halt-ignore-inhibit",
2540 static int method_can_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2541 Manager *m = userdata;
2543 return method_can_shutdown_or_sleep(
2546 "org.freedesktop.login1.suspend",
2547 "org.freedesktop.login1.suspend-multiple-sessions",
2548 "org.freedesktop.login1.suspend-ignore-inhibit",
2553 static int method_can_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2554 Manager *m = userdata;
2556 return method_can_shutdown_or_sleep(
2559 "org.freedesktop.login1.hibernate",
2560 "org.freedesktop.login1.hibernate-multiple-sessions",
2561 "org.freedesktop.login1.hibernate-ignore-inhibit",
2566 static int method_can_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2567 Manager *m = userdata;
2569 return method_can_shutdown_or_sleep(
2572 "org.freedesktop.login1.hibernate",
2573 "org.freedesktop.login1.hibernate-multiple-sessions",
2574 "org.freedesktop.login1.hibernate-ignore-inhibit",
2579 static int method_can_suspend_then_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2580 Manager *m = userdata;
2582 return method_can_shutdown_or_sleep(
2585 "org.freedesktop.login1.hibernate",
2586 "org.freedesktop.login1.hibernate-multiple-sessions",
2587 "org.freedesktop.login1.hibernate-ignore-inhibit",
2588 "suspend-then-hibernate",
2592 static int property_get_reboot_to_firmware_setup(
2595 const char *interface,
2596 const char *property,
2597 sd_bus_message *reply,
2599 sd_bus_error *error) {
2600 #if 0 /// elogind does not support EFI
2607 r = efi_get_reboot_to_firmware();
2608 if (r < 0 && r != -EOPNOTSUPP)
2609 log_warning_errno(r, "Failed to determine reboot-to-firmware state: %m");
2611 return sd_bus_message_append(reply, "b", r > 0);
2613 return sd_bus_message_append(reply, "b", false);
2617 static int method_set_reboot_to_firmware_setup(
2618 sd_bus_message *message,
2620 sd_bus_error *error) {
2623 Manager *m = userdata;
2628 r = sd_bus_message_read(message, "b", &b);
2632 r = bus_verify_polkit_async(message,
2634 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2638 &m->polkit_registry,
2643 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2645 #if 0 /// elogind does not support EFI
2646 r = efi_set_reboot_to_firmware(b);
2651 return sd_bus_reply_method_return(message, NULL);
2654 static int method_can_reboot_to_firmware_setup(
2655 sd_bus_message *message,
2657 sd_bus_error *error) {
2659 #if 0 /// elogind does not support EFI
2663 Manager *m = userdata;
2668 r = efi_reboot_to_firmware_supported();
2670 if (r != -EOPNOTSUPP)
2671 log_warning_errno(errno, "Failed to determine whether reboot to firmware is supported: %m");
2673 return sd_bus_reply_method_return(message, "s", "na");
2676 r = bus_test_polkit(message,
2678 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2689 result = "challenge";
2693 return sd_bus_reply_method_return(message, "s", result);
2695 return sd_bus_reply_method_return(message, "s", "no");
2699 static int method_set_wall_message(
2700 sd_bus_message *message,
2702 sd_bus_error *error) {
2705 Manager *m = userdata;
2707 unsigned enable_wall_messages;
2712 r = sd_bus_message_read(message, "sb", &wall_message, &enable_wall_messages);
2716 #if 0 /// elogind only calls this for shutdown/reboot, which already needs authorization.
2717 r = bus_verify_polkit_async(message,
2719 "org.freedesktop.login1.set-wall-message",
2723 &m->polkit_registry,
2728 return 1; /* Will call us back */
2731 r = free_and_strdup(&m->wall_message, empty_to_null(wall_message));
2735 m->enable_wall_messages = enable_wall_messages;
2737 return sd_bus_reply_method_return(message, NULL);
2740 static int method_inhibit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2741 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
2742 const char *who, *why, *what, *mode;
2743 _cleanup_free_ char *id = NULL;
2744 _cleanup_close_ int fifo_fd = -1;
2745 Manager *m = userdata;
2746 Inhibitor *i = NULL;
2756 r = sd_bus_message_read(message, "ssss", &what, &who, &why, &mode);
2760 w = inhibit_what_from_string(what);
2762 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid what specification %s", what);
2764 mm = inhibit_mode_from_string(mode);
2766 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid mode specification %s", mode);
2768 /* Delay is only supported for shutdown/sleep */
2769 if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP)))
2770 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Delay inhibitors only supported for shutdown and sleep");
2772 /* Don't allow taking delay locks while we are already
2773 * executing the operation. We shouldn't create the impression
2774 * that the lock was successful if the machine is about to go
2775 * down/suspend any moment. */
2776 if (m->action_what & w)
2777 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "The operation inhibition has been requested for is already running");
2779 r = bus_verify_polkit_async(
2782 w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") :
2783 w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") :
2784 w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" :
2785 w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" :
2786 w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" :
2787 w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" :
2788 "org.freedesktop.login1.inhibit-handle-lid-switch",
2792 &m->polkit_registry,
2797 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2799 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID|SD_BUS_CREDS_PID, &creds);
2803 r = sd_bus_creds_get_euid(creds, &uid);
2807 r = sd_bus_creds_get_pid(creds, &pid);
2811 if (hashmap_size(m->inhibitors) >= m->inhibitors_max)
2812 return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Maximum number of inhibitors (%" PRIu64 ") reached, refusing further inhibitors.", m->inhibitors_max);
2817 if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0)
2820 } while (hashmap_get(m->inhibitors, id));
2822 r = manager_add_inhibitor(m, id, &i);
2830 i->why = strdup(why);
2831 i->who = strdup(who);
2833 if (!i->why || !i->who) {
2838 fifo_fd = inhibitor_create_fifo(i);
2846 return sd_bus_reply_method_return(message, "h", fifo_fd);
2855 const sd_bus_vtable manager_vtable[] = {
2856 SD_BUS_VTABLE_START(0),
2858 SD_BUS_WRITABLE_PROPERTY("EnableWallMessages", "b", NULL, NULL, offsetof(Manager, enable_wall_messages), 0),
2859 SD_BUS_WRITABLE_PROPERTY("WallMessage", "s", NULL, NULL, offsetof(Manager, wall_message), 0),
2861 #if 0 /// UNNEEDED by elogind
2862 SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), SD_BUS_VTABLE_PROPERTY_CONST),
2864 SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), SD_BUS_VTABLE_PROPERTY_CONST),
2865 SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), SD_BUS_VTABLE_PROPERTY_CONST),
2866 SD_BUS_PROPERTY("KillUserProcesses", "b", NULL, offsetof(Manager, kill_user_processes), SD_BUS_VTABLE_PROPERTY_CONST),
2867 SD_BUS_PROPERTY("RebootToFirmwareSetup", "b", property_get_reboot_to_firmware_setup, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2868 SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2869 SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2870 SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2871 SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2872 SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2873 SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL, offsetof(Manager, inhibit_delay_max), SD_BUS_VTABLE_PROPERTY_CONST),
2874 SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action, offsetof(Manager, handle_power_key), SD_BUS_VTABLE_PROPERTY_CONST),
2875 SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action, offsetof(Manager, handle_suspend_key), SD_BUS_VTABLE_PROPERTY_CONST),
2876 SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action, offsetof(Manager, handle_hibernate_key), SD_BUS_VTABLE_PROPERTY_CONST),
2877 SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch), SD_BUS_VTABLE_PROPERTY_CONST),
2878 SD_BUS_PROPERTY("HandleLidSwitchExternalPower", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_ep), SD_BUS_VTABLE_PROPERTY_CONST),
2879 SD_BUS_PROPERTY("HandleLidSwitchDocked", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_docked), SD_BUS_VTABLE_PROPERTY_CONST),
2880 SD_BUS_PROPERTY("HoldoffTimeoutUSec", "t", NULL, offsetof(Manager, holdoff_timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2881 SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action, offsetof(Manager, idle_action), SD_BUS_VTABLE_PROPERTY_CONST),
2882 SD_BUS_PROPERTY("IdleActionUSec", "t", NULL, offsetof(Manager, idle_action_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2883 SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing, 0, 0),
2884 SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing, 0, 0),
2885 SD_BUS_PROPERTY("ScheduledShutdown", "(st)", property_get_scheduled_shutdown, 0, 0),
2886 SD_BUS_PROPERTY("Docked", "b", property_get_docked, 0, 0),
2887 SD_BUS_PROPERTY("RemoveIPC", "b", bus_property_get_bool, offsetof(Manager, remove_ipc), SD_BUS_VTABLE_PROPERTY_CONST),
2888 SD_BUS_PROPERTY("RuntimeDirectorySize", "t", bus_property_get_size, offsetof(Manager, runtime_dir_size), SD_BUS_VTABLE_PROPERTY_CONST),
2889 SD_BUS_PROPERTY("InhibitorsMax", "t", NULL, offsetof(Manager, inhibitors_max), SD_BUS_VTABLE_PROPERTY_CONST),
2890 SD_BUS_PROPERTY("NCurrentInhibitors", "t", property_get_current_inhibitors, 0, 0),
2891 SD_BUS_PROPERTY("SessionsMax", "t", NULL, offsetof(Manager, sessions_max), SD_BUS_VTABLE_PROPERTY_CONST),
2892 SD_BUS_PROPERTY("NCurrentSessions", "t", property_get_current_sessions, 0, 0),
2893 SD_BUS_PROPERTY("UserTasksMax", "t", property_get_compat_user_tasks_max, 0, SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN),
2895 SD_BUS_METHOD("GetSession", "s", "o", method_get_session, SD_BUS_VTABLE_UNPRIVILEGED),
2896 SD_BUS_METHOD("GetSessionByPID", "u", "o", method_get_session_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
2897 SD_BUS_METHOD("GetUser", "u", "o", method_get_user, SD_BUS_VTABLE_UNPRIVILEGED),
2898 SD_BUS_METHOD("GetUserByPID", "u", "o", method_get_user_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
2899 SD_BUS_METHOD("GetSeat", "s", "o", method_get_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2900 SD_BUS_METHOD("ListSessions", NULL, "a(susso)", method_list_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2901 SD_BUS_METHOD("ListUsers", NULL, "a(uso)", method_list_users, SD_BUS_VTABLE_UNPRIVILEGED),
2902 SD_BUS_METHOD("ListSeats", NULL, "a(so)", method_list_seats, SD_BUS_VTABLE_UNPRIVILEGED),
2903 SD_BUS_METHOD("ListInhibitors", NULL, "a(ssssuu)", method_list_inhibitors, SD_BUS_VTABLE_UNPRIVILEGED),
2904 SD_BUS_METHOD("CreateSession", "uusssssussbssa(sv)", "soshusub", method_create_session, 0),
2905 SD_BUS_METHOD("ReleaseSession", "s", NULL, method_release_session, 0),
2906 SD_BUS_METHOD("ActivateSession", "s", NULL, method_activate_session, SD_BUS_VTABLE_UNPRIVILEGED),
2907 SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL, method_activate_session_on_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2908 SD_BUS_METHOD("LockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED),
2909 SD_BUS_METHOD("UnlockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED),
2910 SD_BUS_METHOD("LockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2911 SD_BUS_METHOD("UnlockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2912 SD_BUS_METHOD("KillSession", "ssi", NULL, method_kill_session, SD_BUS_VTABLE_UNPRIVILEGED),
2913 SD_BUS_METHOD("KillUser", "ui", NULL, method_kill_user, SD_BUS_VTABLE_UNPRIVILEGED),
2914 SD_BUS_METHOD("TerminateSession", "s", NULL, method_terminate_session, SD_BUS_VTABLE_UNPRIVILEGED),
2915 SD_BUS_METHOD("TerminateUser", "u", NULL, method_terminate_user, SD_BUS_VTABLE_UNPRIVILEGED),
2916 SD_BUS_METHOD("TerminateSeat", "s", NULL, method_terminate_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2917 SD_BUS_METHOD("SetUserLinger", "ubb", NULL, method_set_user_linger, SD_BUS_VTABLE_UNPRIVILEGED),
2918 SD_BUS_METHOD("AttachDevice", "ssb", NULL, method_attach_device, SD_BUS_VTABLE_UNPRIVILEGED),
2919 SD_BUS_METHOD("FlushDevices", "b", NULL, method_flush_devices, SD_BUS_VTABLE_UNPRIVILEGED),
2920 SD_BUS_METHOD("PowerOff", "b", NULL, method_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
2921 SD_BUS_METHOD("Reboot", "b", NULL, method_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
2922 SD_BUS_METHOD("Halt", "b", NULL, method_halt, SD_BUS_VTABLE_UNPRIVILEGED),
2923 SD_BUS_METHOD("Suspend", "b", NULL, method_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
2924 SD_BUS_METHOD("Hibernate", "b", NULL, method_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
2925 SD_BUS_METHOD("HybridSleep", "b", NULL, method_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
2926 SD_BUS_METHOD("SuspendThenHibernate", "b", NULL, method_suspend_then_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
2927 SD_BUS_METHOD("CanPowerOff", NULL, "s", method_can_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
2928 SD_BUS_METHOD("CanReboot", NULL, "s", method_can_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
2929 SD_BUS_METHOD("CanHalt", NULL, "s", method_can_halt, SD_BUS_VTABLE_UNPRIVILEGED),
2930 SD_BUS_METHOD("CanSuspend", NULL, "s", method_can_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
2931 SD_BUS_METHOD("CanHibernate", NULL, "s", method_can_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
2932 SD_BUS_METHOD("CanHybridSleep", NULL, "s", method_can_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
2933 SD_BUS_METHOD("CanSuspendThenHibernate", NULL, "s", method_can_suspend_then_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
2934 SD_BUS_METHOD("ScheduleShutdown", "st", NULL, method_schedule_shutdown, SD_BUS_VTABLE_UNPRIVILEGED),
2935 SD_BUS_METHOD("CancelScheduledShutdown", NULL, "b", method_cancel_scheduled_shutdown, SD_BUS_VTABLE_UNPRIVILEGED),
2936 SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit, SD_BUS_VTABLE_UNPRIVILEGED),
2937 SD_BUS_METHOD("CanRebootToFirmwareSetup", NULL, "s", method_can_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED),
2938 SD_BUS_METHOD("SetRebootToFirmwareSetup", "b", NULL, method_set_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED),
2939 SD_BUS_METHOD("SetWallMessage", "sb", NULL, method_set_wall_message, SD_BUS_VTABLE_UNPRIVILEGED),
2941 SD_BUS_SIGNAL("SessionNew", "so", 0),
2942 SD_BUS_SIGNAL("SessionRemoved", "so", 0),
2943 SD_BUS_SIGNAL("UserNew", "uo", 0),
2944 SD_BUS_SIGNAL("UserRemoved", "uo", 0),
2945 SD_BUS_SIGNAL("SeatNew", "so", 0),
2946 SD_BUS_SIGNAL("SeatRemoved", "so", 0),
2947 SD_BUS_SIGNAL("PrepareForShutdown", "b", 0),
2948 SD_BUS_SIGNAL("PrepareForSleep", "b", 0),
2953 #if 0 /// UNNEEDED by elogind
2954 static int session_jobs_reply(Session *s, const char *unit, const char *result) {
2963 if (streq(result, "done"))
2964 r = session_send_create_reply(s, NULL);
2966 _cleanup_(sd_bus_error_free) sd_bus_error e = SD_BUS_ERROR_NULL;
2968 sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result);
2969 r = session_send_create_reply(s, &e);
2975 int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2976 const char *path, *result, *unit;
2977 Manager *m = userdata;
2986 r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result);
2988 bus_log_parse_error(r);
2992 if (m->action_job && streq(m->action_job, path)) {
2993 log_info("Operation '%s' finished.", inhibit_what_to_string(m->action_what));
2995 /* Tell people that they now may take a lock again */
2996 (void) send_prepare_for(m, m->action_what, false);
2998 m->action_job = mfree(m->action_job);
2999 m->action_unit = NULL;
3004 session = hashmap_get(m->session_units, unit);
3005 if (session && streq_ptr(path, session->scope_job)) {
3006 session->scope_job = mfree(session->scope_job);
3007 session_jobs_reply(session, unit, result);
3009 session_save(session);
3010 user_save(session->user);
3011 session_add_to_gc_queue(session);
3014 user = hashmap_get(m->user_units, unit);
3016 (streq_ptr(path, user->service_job) ||
3017 streq_ptr(path, user->slice_job))) {
3019 if (streq_ptr(path, user->service_job))
3020 user->service_job = mfree(user->service_job);
3022 if (streq_ptr(path, user->slice_job))
3023 user->slice_job = mfree(user->slice_job);
3025 LIST_FOREACH(sessions_by_user, session, user->sessions)
3026 session_jobs_reply(session, unit, result);
3029 user_add_to_gc_queue(user);
3035 int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
3036 const char *path, *unit;
3037 Manager *m = userdata;
3045 r = sd_bus_message_read(message, "so", &unit, &path);
3047 bus_log_parse_error(r);
3051 session = hashmap_get(m->session_units, unit);
3053 session_add_to_gc_queue(session);
3055 user = hashmap_get(m->user_units, unit);
3057 user_add_to_gc_queue(user);
3062 int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
3063 _cleanup_free_ char *unit = NULL;
3064 Manager *m = userdata;
3073 path = sd_bus_message_get_path(message);
3077 r = unit_name_from_dbus_path(path, &unit);
3078 if (r == -EINVAL) /* not a unit */
3085 session = hashmap_get(m->session_units, unit);
3087 session_add_to_gc_queue(session);
3089 user = hashmap_get(m->user_units, unit);
3091 user_add_to_gc_queue(user);
3096 int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) {
3097 Manager *m = userdata;
3105 r = sd_bus_message_read(message, "b", &b);
3107 bus_log_parse_error(r);
3114 /* systemd finished reloading, let's recheck all our sessions */
3115 log_debug("System manager has been reloaded, rechecking sessions...");
3117 HASHMAP_FOREACH(session, m->sessions, i)
3118 session_add_to_gc_queue(session);
3124 int manager_send_changed(Manager *manager, const char *property, ...) {
3129 l = strv_from_stdarg_alloca(property);
3131 return sd_bus_emit_properties_changed_strv(
3133 "/org/freedesktop/login1",
3134 "org.freedesktop.login1.Manager",
3138 #if 0 /// UNNEEDED by elogind
3139 static int strdup_job(sd_bus_message *reply, char **job) {
3144 r = sd_bus_message_read(reply, "o", &j);
3156 int manager_start_scope(
3161 const char *description,
3164 sd_bus_message *more_properties,
3165 sd_bus_error *error,
3168 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
3176 r = sd_bus_message_new_method_call(
3179 "org.freedesktop.systemd1",
3180 "/org/freedesktop/systemd1",
3181 "org.freedesktop.systemd1.Manager",
3182 "StartTransientUnit");
3186 r = sd_bus_message_append(m, "ss", strempty(scope), "fail");
3190 r = sd_bus_message_open_container(m, 'a', "(sv)");
3194 if (!isempty(slice)) {
3195 r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice);
3200 if (!isempty(description)) {
3201 r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
3206 if (!isempty(after)) {
3207 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after);
3212 if (!isempty(after2)) {
3213 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2);
3218 /* Make sure that the session shells are terminated with SIGHUP since bash and friends tend to ignore
3220 r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", true);
3224 r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid);
3228 /* disable TasksMax= for the session scope, rely on the slice setting for it */
3229 r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", (uint64_t)-1);
3231 return bus_log_create_error(r);
3233 if (more_properties) {
3234 /* If TasksMax also appears here, it will overwrite the default value set above */
3235 r = sd_bus_message_copy(m, more_properties, true);
3240 r = sd_bus_message_close_container(m);
3244 r = sd_bus_message_append(m, "a(sa(sv))", 0);
3248 r = sd_bus_call(manager->bus, m, 0, error, &reply);
3252 return strdup_job(reply, job);
3255 int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
3256 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3263 r = sd_bus_call_method(
3265 "org.freedesktop.systemd1",
3266 "/org/freedesktop/systemd1",
3267 "org.freedesktop.systemd1.Manager",
3271 "ss", unit, "replace");
3275 return strdup_job(reply, job);
3278 int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
3279 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3286 r = sd_bus_call_method(
3288 "org.freedesktop.systemd1",
3289 "/org/freedesktop/systemd1",
3290 "org.freedesktop.systemd1.Manager",
3294 "ss", unit, "fail");
3296 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
3297 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) {
3300 sd_bus_error_free(error);
3307 return strdup_job(reply, job);
3310 int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error) {
3311 _cleanup_free_ char *path = NULL;
3317 path = unit_dbus_path_from_name(scope);
3321 r = sd_bus_call_method(
3323 "org.freedesktop.systemd1",
3325 "org.freedesktop.systemd1.Scope",
3331 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
3332 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED) ||
3333 sd_bus_error_has_name(error, BUS_ERROR_SCOPE_NOT_RUNNING)) {
3334 sd_bus_error_free(error);
3344 int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) {
3348 return sd_bus_call_method(
3350 "org.freedesktop.systemd1",
3351 "/org/freedesktop/systemd1",
3352 "org.freedesktop.systemd1.Manager",
3356 "ssi", unit, who == KILL_LEADER ? "main" : "all", signo);
3359 int manager_unit_is_active(Manager *manager, const char *unit) {
3360 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3361 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3362 _cleanup_free_ char *path = NULL;
3369 path = unit_dbus_path_from_name(unit);
3373 r = sd_bus_get_property(
3375 "org.freedesktop.systemd1",
3377 "org.freedesktop.systemd1.Unit",
3383 /* systemd might have droppped off momentarily, let's
3384 * not make this an error */
3385 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
3386 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
3389 /* If the unit is already unloaded then it's not
3391 if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) ||
3392 sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED))
3398 r = sd_bus_message_read(reply, "s", &state);
3402 return !streq(state, "inactive") && !streq(state, "failed");
3405 int manager_job_is_active(Manager *manager, const char *path) {
3406 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3407 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3413 r = sd_bus_get_property(
3415 "org.freedesktop.systemd1",
3417 "org.freedesktop.systemd1.Job",
3423 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
3424 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
3427 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT))
3433 /* We don't actually care about the state really. The fact
3434 * that we could read the job state is enough for us */