2 This file is part of systemd.
4 Copyright 2011 Lennart Poettering
6 systemd is free software; you can redistribute it and/or modify it
7 under the terms of the GNU Lesser General Public License as published by
8 the Free Software Foundation; either version 2.1 of the License, or
9 (at your option) any later version.
11 systemd is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with systemd; If not, see <http://www.gnu.org/licenses/>.
25 #include "sd-messages.h"
27 #include "alloc-util.h"
28 #include "audit-util.h"
29 #include "bus-common-errors.h"
30 #include "bus-error.h"
32 #include "dirent-util.h"
33 //#include "efivars.h"
36 #include "fileio-label.h"
37 #include "formats-util.h"
41 #include "path-util.h"
42 #include "process-util.h"
43 #include "selinux-util.h"
44 #include "sleep-config.h"
45 //#include "special.h"
47 #include "terminal-util.h"
48 #include "udev-util.h"
49 #include "unit-name.h"
50 #include "user-util.h"
51 #include "utmp-wtmp.h"
53 /// Additional includes needed by elogind
54 #include "update-utmp.h"
56 #if 1 /// elogind needs this prototype
57 static int send_prepare_for(Manager *m, InhibitWhat w, bool _active);
60 int manager_get_session_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Session **ret) {
61 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
70 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_SESSION|SD_BUS_CREDS_AUGMENT, &creds);
74 r = sd_bus_creds_get_session(creds, &name);
79 session = hashmap_get(m->sessions, name);
81 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
87 int manager_get_user_from_creds(Manager *m, sd_bus_message *message, uid_t uid, sd_bus_error *error, User **ret) {
95 if (uid == UID_INVALID) {
96 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
98 /* Note that we get the owner UID of the session, not the actual client UID here! */
99 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds);
103 r = sd_bus_creds_get_owner_uid(creds, &uid);
108 user = hashmap_get(m->users, UID_TO_PTR(uid));
110 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user "UID_FMT" known or logged in", uid);
116 int manager_get_seat_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Seat **ret) {
127 r = manager_get_session_from_creds(m, message, NULL, error, &session);
131 seat = session->seat;
133 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "Session has no seat.");
135 seat = hashmap_get(m->seats, name);
137 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name);
144 static int property_get_idle_hint(
147 const char *interface,
148 const char *property,
149 sd_bus_message *reply,
151 sd_bus_error *error) {
153 Manager *m = userdata;
159 return sd_bus_message_append(reply, "b", manager_get_idle_hint(m, NULL) > 0);
162 static int property_get_idle_since_hint(
165 const char *interface,
166 const char *property,
167 sd_bus_message *reply,
169 sd_bus_error *error) {
171 Manager *m = userdata;
172 dual_timestamp t = DUAL_TIMESTAMP_NULL;
178 manager_get_idle_hint(m, &t);
180 return sd_bus_message_append(reply, "t", streq(property, "IdleSinceHint") ? t.realtime : t.monotonic);
183 static int property_get_inhibited(
186 const char *interface,
187 const char *property,
188 sd_bus_message *reply,
190 sd_bus_error *error) {
192 Manager *m = userdata;
199 w = manager_inhibit_what(m, streq(property, "BlockInhibited") ? INHIBIT_BLOCK : INHIBIT_DELAY);
201 return sd_bus_message_append(reply, "s", inhibit_what_to_string(w));
204 static int property_get_preparing(
207 const char *interface,
208 const char *property,
209 sd_bus_message *reply,
211 sd_bus_error *error) {
213 Manager *m = userdata;
220 if (streq(property, "PreparingForShutdown"))
221 b = !!(m->action_what & INHIBIT_SHUTDOWN);
223 b = !!(m->action_what & INHIBIT_SLEEP);
225 return sd_bus_message_append(reply, "b", b);
228 static int property_get_scheduled_shutdown(
231 const char *interface,
232 const char *property,
233 sd_bus_message *reply,
235 sd_bus_error *error) {
237 Manager *m = userdata;
244 r = sd_bus_message_open_container(reply, 'r', "st");
248 r = sd_bus_message_append(reply, "st", m->scheduled_shutdown_type, m->scheduled_shutdown_timeout);
252 return sd_bus_message_close_container(reply);
255 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_handle_action, handle_action, HandleAction);
257 static int property_get_docked(
260 const char *interface,
261 const char *property,
262 sd_bus_message *reply,
264 sd_bus_error *error) {
266 Manager *m = userdata;
272 return sd_bus_message_append(reply, "b", manager_is_docked_or_external_displays(m));
275 static int property_get_current_sessions(
278 const char *interface,
279 const char *property,
280 sd_bus_message *reply,
282 sd_bus_error *error) {
284 Manager *m = userdata;
290 return sd_bus_message_append(reply, "t", (uint64_t) hashmap_size(m->sessions));
293 static int property_get_current_inhibitors(
296 const char *interface,
297 const char *property,
298 sd_bus_message *reply,
300 sd_bus_error *error) {
302 Manager *m = userdata;
308 return sd_bus_message_append(reply, "t", (uint64_t) hashmap_size(m->inhibitors));
311 static int method_get_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
312 _cleanup_free_ char *p = NULL;
313 Manager *m = userdata;
321 r = sd_bus_message_read(message, "s", &name);
325 r = manager_get_session_from_creds(m, message, name, error, &session);
329 p = session_bus_path(session);
333 return sd_bus_reply_method_return(message, "o", p);
336 static int method_get_session_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) {
337 _cleanup_free_ char *p = NULL;
338 Session *session = NULL;
339 Manager *m = userdata;
346 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
348 r = sd_bus_message_read(message, "u", &pid);
355 r = manager_get_session_from_creds(m, message, NULL, error, &session);
359 r = manager_get_session_by_pid(m, pid, &session);
364 return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, "PID "PID_FMT" does not belong to any known session", pid);
367 p = session_bus_path(session);
371 return sd_bus_reply_method_return(message, "o", p);
374 static int method_get_user(sd_bus_message *message, void *userdata, sd_bus_error *error) {
375 _cleanup_free_ char *p = NULL;
376 Manager *m = userdata;
384 r = sd_bus_message_read(message, "u", &uid);
388 r = manager_get_user_from_creds(m, message, uid, error, &user);
392 p = user_bus_path(user);
396 return sd_bus_reply_method_return(message, "o", p);
399 static int method_get_user_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) {
400 _cleanup_free_ char *p = NULL;
401 Manager *m = userdata;
409 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
411 r = sd_bus_message_read(message, "u", &pid);
418 r = manager_get_user_from_creds(m, message, UID_INVALID, error, &user);
422 r = manager_get_user_by_pid(m, pid, &user);
426 return sd_bus_error_setf(error, BUS_ERROR_NO_USER_FOR_PID, "PID "PID_FMT" does not belong to any known or logged in user", pid);
429 p = user_bus_path(user);
433 return sd_bus_reply_method_return(message, "o", p);
436 static int method_get_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) {
437 _cleanup_free_ char *p = NULL;
438 Manager *m = userdata;
446 r = sd_bus_message_read(message, "s", &name);
450 r = manager_get_seat_from_creds(m, message, name, error, &seat);
454 p = seat_bus_path(seat);
458 return sd_bus_reply_method_return(message, "o", p);
461 static int method_list_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) {
462 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
463 Manager *m = userdata;
471 r = sd_bus_message_new_method_return(message, &reply);
475 r = sd_bus_message_open_container(reply, 'a', "(susso)");
479 HASHMAP_FOREACH(session, m->sessions, i) {
480 _cleanup_free_ char *p = NULL;
482 p = session_bus_path(session);
486 r = sd_bus_message_append(reply, "(susso)",
488 (uint32_t) session->user->uid,
490 session->seat ? session->seat->id : "",
496 r = sd_bus_message_close_container(reply);
500 return sd_bus_send(NULL, reply, NULL);
503 static int method_list_users(sd_bus_message *message, void *userdata, sd_bus_error *error) {
504 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
505 Manager *m = userdata;
513 r = sd_bus_message_new_method_return(message, &reply);
517 r = sd_bus_message_open_container(reply, 'a', "(uso)");
521 HASHMAP_FOREACH(user, m->users, i) {
522 _cleanup_free_ char *p = NULL;
524 p = user_bus_path(user);
528 r = sd_bus_message_append(reply, "(uso)",
529 (uint32_t) user->uid,
536 r = sd_bus_message_close_container(reply);
540 return sd_bus_send(NULL, reply, NULL);
543 static int method_list_seats(sd_bus_message *message, void *userdata, sd_bus_error *error) {
544 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
545 Manager *m = userdata;
553 r = sd_bus_message_new_method_return(message, &reply);
557 r = sd_bus_message_open_container(reply, 'a', "(so)");
561 HASHMAP_FOREACH(seat, m->seats, i) {
562 _cleanup_free_ char *p = NULL;
564 p = seat_bus_path(seat);
568 r = sd_bus_message_append(reply, "(so)", seat->id, p);
573 r = sd_bus_message_close_container(reply);
577 return sd_bus_send(NULL, reply, NULL);
580 static int method_list_inhibitors(sd_bus_message *message, void *userdata, sd_bus_error *error) {
581 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
582 Manager *m = userdata;
583 Inhibitor *inhibitor;
590 r = sd_bus_message_new_method_return(message, &reply);
594 r = sd_bus_message_open_container(reply, 'a', "(ssssuu)");
598 HASHMAP_FOREACH(inhibitor, m->inhibitors, i) {
600 r = sd_bus_message_append(reply, "(ssssuu)",
601 strempty(inhibit_what_to_string(inhibitor->what)),
602 strempty(inhibitor->who),
603 strempty(inhibitor->why),
604 strempty(inhibit_mode_to_string(inhibitor->mode)),
605 (uint32_t) inhibitor->uid,
606 (uint32_t) inhibitor->pid);
611 r = sd_bus_message_close_container(reply);
615 return sd_bus_send(NULL, reply, NULL);
618 static int method_create_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
619 const char *service, *type, *class, *cseat, *tty, *display, *remote_user, *remote_host, *desktop;
620 uint32_t audit_id = 0;
621 _cleanup_free_ char *id = NULL;
622 Session *session = NULL;
623 Manager *m = userdata;
637 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
638 assert_cc(sizeof(uid_t) == sizeof(uint32_t));
640 r = sd_bus_message_read(message, "uusssssussbss", &uid, &leader, &service, &type, &class, &desktop, &cseat, &vtnr, &tty, &display, &remote, &remote_user, &remote_host);
644 if (!uid_is_valid(uid))
645 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid UID");
646 if (leader < 0 || leader == 1)
647 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID");
650 t = _SESSION_TYPE_INVALID;
652 t = session_type_from_string(type);
654 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session type %s", type);
658 c = _SESSION_CLASS_INVALID;
660 c = session_class_from_string(class);
662 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session class %s", class);
665 if (isempty(desktop))
668 if (!string_is_safe(desktop))
669 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid desktop string %s", desktop);
675 seat = hashmap_get(m->seats, cseat);
677 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", cseat);
680 if (tty_is_vc(tty)) {
685 else if (seat != m->seat0)
686 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);
688 v = vtnr_from_tty(tty);
690 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Cannot determine VT number from virtual console TTY %s", tty);
694 else if (vtnr != (uint32_t) v)
695 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Specified TTY and VT number do not match");
697 } else if (tty_is_console(tty)) {
701 else if (seat != m->seat0)
702 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but seat is not seat0");
705 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but VT number is not 0");
709 if (seat_has_vts(seat)) {
710 if (!vtnr || vtnr > 63)
711 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "VT number out of range");
714 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat has no VTs but VT number not 0");
718 r = sd_bus_message_enter_container(message, 'a', "(sv)");
722 if (t == _SESSION_TYPE_INVALID) {
723 if (!isempty(display))
725 else if (!isempty(tty))
728 t = SESSION_UNSPECIFIED;
731 if (c == _SESSION_CLASS_INVALID) {
732 if (t == SESSION_UNSPECIFIED)
733 c = SESSION_BACKGROUND;
739 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
741 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
745 r = sd_bus_creds_get_pid(creds, (pid_t*) &leader);
750 r = manager_get_session_by_pid(m, leader, NULL);
752 return sd_bus_error_setf(error, BUS_ERROR_SESSION_BUSY, "Already running in a session");
755 * Old gdm and lightdm start the user-session on the same VT as
756 * the greeter session. But they destroy the greeter session
757 * after the user-session and want the user-session to take
758 * over the VT. We need to support this for
759 * backwards-compatibility, so make sure we allow new sessions
760 * on a VT that a greeter is running on. Furthermore, to allow
761 * re-logins, we have to allow a greeter to take over a used VT for
762 * the exact same reasons.
764 if (c != SESSION_GREETER &&
766 vtnr < m->seat0->position_count &&
767 m->seat0->positions[vtnr] &&
768 m->seat0->positions[vtnr]->class != SESSION_GREETER)
769 return sd_bus_error_setf(error, BUS_ERROR_SESSION_BUSY, "Already occupied by a session");
771 if (hashmap_size(m->sessions) >= m->sessions_max)
772 return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Maximum number of sessions (%" PRIu64 ") reached, refusing further sessions.", m->sessions_max);
774 audit_session_from_pid(leader, &audit_id);
776 /* Keep our session IDs and the audit session IDs in sync */
778 if (asprintf(&id, "%"PRIu32, audit_id) < 0)
781 /* Wut? There's already a session by this name and we
782 * didn't find it above? Weird, then let's not trust
783 * the audit data and let's better register a new
785 if (hashmap_get(m->sessions, id)) {
786 log_warning("Existing logind session ID %s used by new audit session, ignoring", id);
797 if (asprintf(&id, "c%lu", ++m->session_counter) < 0)
800 } while (hashmap_get(m->sessions, id));
803 r = manager_add_user_by_uid(m, uid, &user);
807 r = manager_add_session(m, id, &session);
811 session_set_user(session, user);
813 session->leader = leader;
814 session->audit_id = audit_id;
817 session->remote = remote;
818 session->vtnr = vtnr;
821 session->tty = strdup(tty);
828 if (!isempty(display)) {
829 session->display = strdup(display);
830 if (!session->display) {
836 if (!isempty(remote_user)) {
837 session->remote_user = strdup(remote_user);
838 if (!session->remote_user) {
844 if (!isempty(remote_host)) {
845 session->remote_host = strdup(remote_host);
846 if (!session->remote_host) {
852 if (!isempty(service)) {
853 session->service = strdup(service);
854 if (!session->service) {
860 if (!isempty(desktop)) {
861 session->desktop = strdup(desktop);
862 if (!session->desktop) {
869 r = seat_attach_session(seat, session);
874 r = session_start(session);
878 session->create_message = sd_bus_message_ref(message);
880 #if 0 /// UNNEEDED by elogind
881 /* Now, let's wait until the slice unit and stuff got
882 * created. We send the reply back from
883 * session_send_create_reply(). */
885 /* We reply directly. */
887 r = session_send_create_reply(session, NULL);
896 session_add_to_gc_queue(session);
899 user_add_to_gc_queue(user);
904 static int method_release_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
905 Manager *m = userdata;
913 r = sd_bus_message_read(message, "s", &name);
917 r = manager_get_session_from_creds(m, message, name, error, &session);
921 r = session_release(session);
925 #if 1 /// elogind must queue this session
926 session_add_to_gc_queue(session);
929 return sd_bus_reply_method_return(message, NULL);
932 static int method_activate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
933 Manager *m = userdata;
941 r = sd_bus_message_read(message, "s", &name);
945 r = manager_get_session_from_creds(m, message, name, error, &session);
949 return bus_session_method_activate(message, session, error);
952 static int method_activate_session_on_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) {
953 const char *session_name, *seat_name;
954 Manager *m = userdata;
962 /* Same as ActivateSession() but refuses to work if
963 * the seat doesn't match */
965 r = sd_bus_message_read(message, "ss", &session_name, &seat_name);
969 r = manager_get_session_from_creds(m, message, session_name, error, &session);
973 r = manager_get_seat_from_creds(m, message, seat_name, error, &seat);
977 if (session->seat != seat)
978 return sd_bus_error_setf(error, BUS_ERROR_SESSION_NOT_ON_SEAT, "Session %s not on seat %s", session_name, seat_name);
980 r = session_activate(session);
984 return sd_bus_reply_method_return(message, NULL);
987 static int method_lock_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
988 Manager *m = userdata;
996 r = sd_bus_message_read(message, "s", &name);
1000 r = manager_get_session_from_creds(m, message, name, error, &session);
1004 return bus_session_method_lock(message, session, error);
1007 static int method_lock_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1008 Manager *m = userdata;
1014 r = bus_verify_polkit_async(
1017 "org.freedesktop.login1.lock-sessions",
1021 &m->polkit_registry,
1026 return 1; /* Will call us back */
1028 r = session_send_lock_all(m, streq(sd_bus_message_get_member(message), "LockSessions"));
1032 return sd_bus_reply_method_return(message, NULL);
1035 static int method_kill_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1037 Manager *m = userdata;
1044 r = sd_bus_message_read(message, "s", &name);
1048 r = manager_get_session_from_creds(m, message, name, error, &session);
1052 return bus_session_method_kill(message, session, error);
1055 static int method_kill_user(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1056 Manager *m = userdata;
1064 r = sd_bus_message_read(message, "u", &uid);
1068 r = manager_get_user_from_creds(m, message, uid, error, &user);
1072 return bus_user_method_kill(message, user, error);
1075 static int method_terminate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1076 Manager *m = userdata;
1084 r = sd_bus_message_read(message, "s", &name);
1088 r = manager_get_session_from_creds(m, message, name, error, &session);
1092 return bus_session_method_terminate(message, session, error);
1095 static int method_terminate_user(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1096 Manager *m = userdata;
1104 r = sd_bus_message_read(message, "u", &uid);
1108 r = manager_get_user_from_creds(m, message, uid, error, &user);
1112 return bus_user_method_terminate(message, user, error);
1115 static int method_terminate_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1116 Manager *m = userdata;
1124 r = sd_bus_message_read(message, "s", &name);
1128 r = manager_get_seat_from_creds(m, message, name, error, &seat);
1132 return bus_seat_method_terminate(message, seat, error);
1135 static int method_set_user_linger(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1136 _cleanup_free_ char *cc = NULL;
1137 Manager *m = userdata;
1138 int r, b, interactive;
1147 r = sd_bus_message_read(message, "ubb", &uid, &b, &interactive);
1151 if (uid == UID_INVALID) {
1152 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
1154 /* Note that we get the owner UID of the session, not the actual client UID here! */
1155 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds);
1159 r = sd_bus_creds_get_owner_uid(creds, &uid);
1165 } else if (!uid_is_valid(uid))
1171 return errno > 0 ? -errno : -ENOENT;
1173 r = bus_verify_polkit_async(
1176 self ? "org.freedesktop.login1.set-self-linger" : "org.freedesktop.login1.set-user-linger",
1180 &m->polkit_registry,
1185 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1187 mkdir_p_label("/var/lib/systemd", 0755);
1189 r = mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0);
1193 cc = cescape(pw->pw_name);
1197 path = strjoina("/var/lib/systemd/linger/", cc);
1205 if (manager_add_user_by_uid(m, uid, &u) >= 0)
1212 if (r < 0 && errno != ENOENT)
1215 u = hashmap_get(m->users, UID_TO_PTR(uid));
1217 user_add_to_gc_queue(u);
1220 return sd_bus_reply_method_return(message, NULL);
1223 static int trigger_device(Manager *m, struct udev_device *d) {
1224 _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
1225 struct udev_list_entry *first, *item;
1230 e = udev_enumerate_new(m->udev);
1235 r = udev_enumerate_add_match_parent(e, d);
1240 r = udev_enumerate_scan_devices(e);
1244 first = udev_enumerate_get_list_entry(e);
1245 udev_list_entry_foreach(item, first) {
1246 _cleanup_free_ char *t = NULL;
1249 p = udev_list_entry_get_name(item);
1251 t = strappend(p, "/uevent");
1255 write_string_file(t, "change", WRITE_STRING_FILE_CREATE);
1261 static int attach_device(Manager *m, const char *seat, const char *sysfs) {
1262 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
1263 _cleanup_free_ char *rule = NULL, *file = NULL;
1264 const char *id_for_seat;
1271 d = udev_device_new_from_syspath(m->udev, sysfs);
1275 if (!udev_device_has_tag(d, "seat"))
1278 id_for_seat = udev_device_get_property_value(d, "ID_FOR_SEAT");
1282 if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0)
1285 if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0)
1288 mkdir_p_label("/etc/udev/rules.d", 0755);
1289 r = write_string_file_atomic_label(file, rule);
1293 return trigger_device(m, d);
1296 static int flush_devices(Manager *m) {
1297 _cleanup_closedir_ DIR *d;
1301 d = opendir("/etc/udev/rules.d");
1303 if (errno != ENOENT)
1304 log_warning_errno(errno, "Failed to open /etc/udev/rules.d: %m");
1308 while ((de = readdir(d))) {
1310 if (!dirent_is_file(de))
1313 if (!startswith(de->d_name, "72-seat-"))
1316 if (!endswith(de->d_name, ".rules"))
1319 if (unlinkat(dirfd(d), de->d_name, 0) < 0)
1320 log_warning_errno(errno, "Failed to unlink %s: %m", de->d_name);
1324 return trigger_device(m, NULL);
1327 static int method_attach_device(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1328 const char *sysfs, *seat;
1329 Manager *m = userdata;
1335 r = sd_bus_message_read(message, "ssb", &seat, &sysfs, &interactive);
1339 if (!path_startswith(sysfs, "/sys"))
1340 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not in /sys", sysfs);
1342 if (!seat_name_is_valid(seat))
1343 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat %s is not valid", seat);
1345 r = bus_verify_polkit_async(
1348 "org.freedesktop.login1.attach-device",
1352 &m->polkit_registry,
1357 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1359 r = attach_device(m, seat, sysfs);
1363 return sd_bus_reply_method_return(message, NULL);
1366 static int method_flush_devices(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1367 Manager *m = userdata;
1373 r = sd_bus_message_read(message, "b", &interactive);
1377 r = bus_verify_polkit_async(
1380 "org.freedesktop.login1.flush-devices",
1384 &m->polkit_registry,
1389 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1391 r = flush_devices(m);
1395 return sd_bus_reply_method_return(message, NULL);
1398 static int have_multiple_sessions(
1407 /* Check for other users' sessions. Greeter sessions do not
1408 * count, and non-login sessions do not count either. */
1409 HASHMAP_FOREACH(session, m->sessions, i)
1410 if (session->class == SESSION_USER &&
1411 session->user->uid != uid)
1417 static int bus_manager_log_shutdown(
1420 #if 0 /// elogind does not support systemd units
1421 const char *unit_name) {
1428 if (w != INHIBIT_SHUTDOWN)
1431 if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) {
1432 p = "MESSAGE=System is powering down";
1433 q = "SHUTDOWN=power-off";
1434 } else if (streq(unit_name, SPECIAL_HALT_TARGET)) {
1435 p = "MESSAGE=System is halting";
1436 q = "SHUTDOWN=halt";
1437 } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) {
1438 p = "MESSAGE=System is rebooting";
1439 q = "SHUTDOWN=reboot";
1440 } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) {
1441 p = "MESSAGE=System is rebooting with kexec";
1442 q = "SHUTDOWN=kexec";
1444 p = "MESSAGE=System is shutting down";
1448 HandleAction action) {
1454 if (w != INHIBIT_SHUTDOWN)
1458 case HANDLE_POWEROFF:
1459 p = "MESSAGE=System is powering down.";
1460 q = "SHUTDOWN=power-off";
1463 p = "MESSAGE=System is halting.";
1464 q = "SHUTDOWN=halt";
1467 p = "MESSAGE=System is rebooting.";
1468 q = "SHUTDOWN=reboot";
1471 p = "MESSAGE=System is rebooting with kexec.";
1472 q = "SHUTDOWN=kexec";
1475 p = "MESSAGE=System is shutting down.";
1479 if (isempty(m->wall_message))
1480 p = strjoina(p, ".");
1482 p = strjoina(p, " (", m->wall_message, ").");
1484 return log_struct(LOG_NOTICE,
1485 LOG_MESSAGE_ID(SD_MESSAGE_SHUTDOWN),
1491 static int lid_switch_ignore_handler(sd_event_source *e, uint64_t usec, void *userdata) {
1492 Manager *m = userdata;
1497 m->lid_switch_ignore_event_source = sd_event_source_unref(m->lid_switch_ignore_event_source);
1501 int manager_set_lid_switch_ignore(Manager *m, usec_t until) {
1506 if (until <= now(CLOCK_MONOTONIC))
1509 /* We want to ignore the lid switch for a while after each
1510 * suspend, and after boot-up. Hence let's install a timer for
1511 * this. As long as the event source exists we ignore the lid
1514 if (m->lid_switch_ignore_event_source) {
1517 r = sd_event_source_get_time(m->lid_switch_ignore_event_source, &u);
1524 r = sd_event_source_set_time(m->lid_switch_ignore_event_source, until);
1526 r = sd_event_add_time(
1528 &m->lid_switch_ignore_event_source,
1531 lid_switch_ignore_handler, m);
1536 static void reset_scheduled_shutdown(Manager *m) {
1537 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
1538 m->wall_message_timeout_source = sd_event_source_unref(m->wall_message_timeout_source);
1539 m->nologin_timeout_source = sd_event_source_unref(m->nologin_timeout_source);
1540 m->scheduled_shutdown_type = mfree(m->scheduled_shutdown_type);
1541 m->scheduled_shutdown_timeout = 0;
1542 m->shutdown_dry_run = false;
1544 if (m->unlink_nologin) {
1545 (void) unlink("/run/nologin");
1546 m->unlink_nologin = false;
1550 static int execute_shutdown_or_sleep(
1553 HandleAction action,
1554 sd_bus_error *error) {
1556 #if 0 /// elogind does not need these, we do it ourselves
1557 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1561 /* needed for update-utmp */
1562 char** argv_utmp = NULL;
1568 assert(w < _INHIBIT_WHAT_MAX);
1570 bus_manager_log_shutdown(m, w, action);
1572 #if 0 /// elogind does it directly without depending on systemd running the system
1573 if (m->shutdown_dry_run) {
1574 log_info("Running in dry run, suppressing action.");
1575 reset_scheduled_shutdown(m);
1577 r = sd_bus_call_method(
1579 "org.freedesktop.systemd1",
1580 "/org/freedesktop/systemd1",
1581 "org.freedesktop.systemd1.Manager",
1585 "ss", unit_name, "replace-irreversibly");
1589 r = sd_bus_message_read(reply, "o", &p);
1597 m->action_unit = unit_name;
1598 free(m->action_job);
1603 if (IN_SET(action, HANDLE_HALT, HANDLE_POWEROFF, HANDLE_REBOOT)) {
1605 /* As we have no systemd update-utmp daemon running, we have to
1606 * set the relevant utmp/wtmp entries ourselves.
1609 if (strv_extend(&argv_utmp, "elogind") < 0)
1612 if (HANDLE_REBOOT == action) {
1613 if (strv_extend(&argv_utmp, "reboot") < 0)
1616 if (strv_extend(&argv_utmp, "shutdown") < 0)
1620 /* This comes from our patched update-utmp/update-utmp.c */
1621 update_utmp(2, argv_utmp, m->bus);
1622 strv_free(argv_utmp);
1625 /* Now perform the requested action */
1626 r = shutdown_or_sleep(m, action);
1628 /* no more pending actions, whether this failed or not */
1629 m->pending_action = HANDLE_IGNORE;
1633 /* As elogind can not rely on a systemd manager to call all
1634 * sleeping processes to wake up, we have to tell them all
1636 if (w == INHIBIT_SLEEP) {
1637 send_prepare_for(m, w, false);
1643 /* Make sure the lid switch is ignored for a while */
1644 manager_set_lid_switch_ignore(m, now(CLOCK_MONOTONIC) + m->holdoff_timeout_usec);
1649 int manager_dispatch_delayed(Manager *manager, bool timeout) {
1651 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1652 Inhibitor *offending = NULL;
1657 if ( (0 == manager->action_what) || (HANDLE_IGNORE == manager->pending_action) )
1660 if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0, &offending)) {
1661 _cleanup_free_ char *comm = NULL, *u = NULL;
1666 (void) get_process_comm(offending->pid, &comm);
1667 u = uid_to_name(offending->uid);
1669 log_notice("Delay lock is active (UID "UID_FMT"/%s, PID "PID_FMT"/%s) but inhibitor timeout is reached.",
1670 offending->uid, strna(u),
1671 offending->pid, strna(comm));
1674 /* Actually do the operation */
1675 r = execute_shutdown_or_sleep(manager, manager->action_what, manager->pending_action, &error);
1677 log_warning("Failed to send delayed message: %s", bus_error_message(&error, r));
1679 manager->pending_action = HANDLE_IGNORE;
1680 manager->action_what = 0;
1687 static int manager_inhibit_timeout_handler(
1692 Manager *manager = userdata;
1696 assert(manager->inhibit_timeout_source == s);
1698 r = manager_dispatch_delayed(manager, true);
1699 return (r < 0) ? r : 0;
1702 static int delay_shutdown_or_sleep(
1705 HandleAction action) {
1712 assert(w < _INHIBIT_WHAT_MAX);
1714 timeout_val = now(CLOCK_MONOTONIC) + m->inhibit_delay_max;
1716 if (m->inhibit_timeout_source) {
1717 r = sd_event_source_set_time(m->inhibit_timeout_source, timeout_val);
1719 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
1721 r = sd_event_source_set_enabled(m->inhibit_timeout_source, SD_EVENT_ONESHOT);
1723 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
1725 r = sd_event_add_time(m->event, &m->inhibit_timeout_source, CLOCK_MONOTONIC,
1726 timeout_val, 0, manager_inhibit_timeout_handler, m);
1731 m->pending_action = action;
1737 static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) {
1739 static const char * const signal_name[_INHIBIT_WHAT_MAX] = {
1740 [INHIBIT_SHUTDOWN] = "PrepareForShutdown",
1741 [INHIBIT_SLEEP] = "PrepareForSleep"
1744 int active = _active;
1748 assert(w < _INHIBIT_WHAT_MAX);
1749 assert(signal_name[w]);
1751 return sd_bus_emit_signal(m->bus,
1752 "/org/freedesktop/login1",
1753 "org.freedesktop.login1.Manager",
1759 int bus_manager_shutdown_or_sleep_now_or_later(
1761 HandleAction action,
1763 sd_bus_error *error) {
1770 assert(w <= _INHIBIT_WHAT_MAX);
1772 /* Tell everybody to prepare for shutdown/sleep */
1773 send_prepare_for(m, w, true);
1776 m->inhibit_delay_max > 0 &&
1777 manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0, NULL);
1780 /* Shutdown is delayed, keep in mind what we
1781 * want to do, and start a timeout */
1782 r = delay_shutdown_or_sleep(m, w, action);
1784 /* Shutdown is not delayed, execute it
1786 r = execute_shutdown_or_sleep(m, w, action, error);
1791 static int verify_shutdown_creds(
1793 sd_bus_message *message,
1797 const char *action_multiple_sessions,
1798 const char *action_ignore_inhibit,
1799 sd_bus_error *error) {
1801 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
1802 bool multiple_sessions, blocked;
1809 assert(w <= _INHIBIT_WHAT_MAX);
1811 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds);
1815 r = sd_bus_creds_get_euid(creds, &uid);
1819 r = have_multiple_sessions(m, uid);
1823 multiple_sessions = r > 0;
1824 blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
1826 if (multiple_sessions && action_multiple_sessions) {
1827 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1831 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1834 if (blocked && action_ignore_inhibit) {
1835 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1839 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1842 if (!multiple_sessions && !blocked && action) {
1843 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1847 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1853 static int method_do_shutdown_or_sleep(
1855 sd_bus_message *message,
1856 HandleAction sleep_action,
1859 const char *action_multiple_sessions,
1860 const char *action_ignore_inhibit,
1861 const char *sleep_verb,
1862 sd_bus_error *error) {
1869 assert(w <= _INHIBIT_WHAT_MAX);
1871 r = sd_bus_message_read(message, "b", &interactive);
1875 /* Don't allow multiple jobs being executed at the same time */
1877 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "There's already a shutdown or sleep operation in progress");
1880 r = can_sleep(m, sleep_verb);
1885 return sd_bus_error_setf(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, "Sleep verb not supported");
1888 r = verify_shutdown_creds(m, message, w, interactive, action, action_multiple_sessions,
1889 action_ignore_inhibit, error);
1893 r = bus_manager_shutdown_or_sleep_now_or_later(m, sleep_action, w, error);
1897 return sd_bus_reply_method_return(message, NULL);
1900 static int method_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1901 Manager *m = userdata;
1903 return method_do_shutdown_or_sleep(
1907 "org.freedesktop.login1.power-off",
1908 "org.freedesktop.login1.power-off-multiple-sessions",
1909 "org.freedesktop.login1.power-off-ignore-inhibit",
1914 static int method_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1915 Manager *m = userdata;
1917 return method_do_shutdown_or_sleep(
1921 "org.freedesktop.login1.reboot",
1922 "org.freedesktop.login1.reboot-multiple-sessions",
1923 "org.freedesktop.login1.reboot-ignore-inhibit",
1928 static int method_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1929 Manager *m = userdata;
1931 return method_do_shutdown_or_sleep(
1935 "org.freedesktop.login1.suspend",
1936 "org.freedesktop.login1.suspend-multiple-sessions",
1937 "org.freedesktop.login1.suspend-ignore-inhibit",
1942 static int nologin_timeout_handler(
1947 Manager *m = userdata;
1950 log_info("Creating /run/nologin, blocking further logins...");
1952 r = write_string_file_atomic_label("/run/nologin", "System is going down.");
1954 log_error_errno(r, "Failed to create /run/nologin: %m");
1956 m->unlink_nologin = true;
1961 static int update_schedule_file(Manager *m) {
1962 _cleanup_free_ char *temp_path = NULL;
1963 _cleanup_fclose_ FILE *f = NULL;
1968 r = mkdir_safe_label("/run/systemd/shutdown", 0755, 0, 0);
1970 return log_error_errno(r, "Failed to create shutdown subdirectory: %m");
1972 r = fopen_temporary("/run/systemd/shutdown/scheduled", &f, &temp_path);
1974 return log_error_errno(r, "Failed to save information about scheduled shutdowns: %m");
1976 (void) fchmod(fileno(f), 0644);
1982 m->scheduled_shutdown_timeout,
1983 m->enable_wall_messages,
1984 m->scheduled_shutdown_type);
1986 if (!isempty(m->wall_message)) {
1987 _cleanup_free_ char *t;
1989 t = cescape(m->wall_message);
1995 fprintf(f, "WALL_MESSAGE=%s\n", t);
1998 r = fflush_and_check(f);
2002 if (rename(temp_path, "/run/systemd/shutdown/scheduled") < 0) {
2010 (void) unlink(temp_path);
2011 (void) unlink("/run/systemd/shutdown/scheduled");
2013 return log_error_errno(r, "Failed to write information about scheduled shutdowns: %m");
2016 static int manager_scheduled_shutdown_handler(
2021 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2022 Manager *m = userdata;
2023 HandleAction action;
2028 if (isempty(m->scheduled_shutdown_type))
2031 if (streq(m->scheduled_shutdown_type, "halt"))
2032 action = HANDLE_HALT;
2033 else if (streq(m->scheduled_shutdown_type, "poweroff"))
2034 action = HANDLE_POWEROFF;
2036 action = HANDLE_REBOOT;
2038 r = execute_shutdown_or_sleep(m, 0, action, &error);
2040 return log_error_errno(r, "Unable to execute transition to %s: %m", m->scheduled_shutdown_type);
2045 static int method_schedule_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2046 Manager *m = userdata;
2047 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
2048 const char *action_multiple_sessions = NULL;
2049 const char *action_ignore_inhibit = NULL;
2050 const char *action = NULL;
2058 r = sd_bus_message_read(message, "st", &type, &elapse);
2062 if (startswith(type, "dry-")) {
2064 m->shutdown_dry_run = true;
2067 if (streq(type, "reboot")) {
2068 action = "org.freedesktop.login1.reboot";
2069 action_multiple_sessions = "org.freedesktop.login1.reboot-multiple-sessions";
2070 action_ignore_inhibit = "org.freedesktop.login1.reboot-ignore-inhibit";
2071 } else if (streq(type, "halt")) {
2072 action = "org.freedesktop.login1.halt";
2073 action_multiple_sessions = "org.freedesktop.login1.halt-multiple-sessions";
2074 action_ignore_inhibit = "org.freedesktop.login1.halt-ignore-inhibit";
2075 } else if (streq(type, "poweroff")) {
2076 action = "org.freedesktop.login1.power-off";
2077 action_multiple_sessions = "org.freedesktop.login1.power-off-multiple-sessions";
2078 action_ignore_inhibit = "org.freedesktop.login1.power-off-ignore-inhibit";
2080 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unsupported shutdown type");
2082 r = verify_shutdown_creds(m, message, INHIBIT_SHUTDOWN, false,
2083 action, action_multiple_sessions, action_ignore_inhibit, error);
2087 if (m->scheduled_shutdown_timeout_source) {
2088 r = sd_event_source_set_time(m->scheduled_shutdown_timeout_source, elapse);
2090 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
2092 r = sd_event_source_set_enabled(m->scheduled_shutdown_timeout_source, SD_EVENT_ONESHOT);
2094 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
2096 r = sd_event_add_time(m->event, &m->scheduled_shutdown_timeout_source,
2097 CLOCK_REALTIME, elapse, 0, manager_scheduled_shutdown_handler, m);
2099 return log_error_errno(r, "sd_event_add_time() failed: %m");
2102 r = free_and_strdup(&m->scheduled_shutdown_type, type);
2104 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
2108 if (m->nologin_timeout_source) {
2109 r = sd_event_source_set_time(m->nologin_timeout_source, elapse);
2111 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
2113 r = sd_event_source_set_enabled(m->nologin_timeout_source, SD_EVENT_ONESHOT);
2115 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
2117 r = sd_event_add_time(m->event, &m->nologin_timeout_source,
2118 CLOCK_REALTIME, elapse - 5 * USEC_PER_MINUTE, 0, nologin_timeout_handler, m);
2120 return log_error_errno(r, "sd_event_add_time() failed: %m");
2123 m->scheduled_shutdown_timeout = elapse;
2125 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds);
2127 const char *tty = NULL;
2129 (void) sd_bus_creds_get_uid(creds, &m->scheduled_shutdown_uid);
2130 (void) sd_bus_creds_get_tty(creds, &tty);
2132 r = free_and_strdup(&m->scheduled_shutdown_tty, tty);
2134 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
2139 r = manager_setup_wall_message_timer(m);
2143 if (!isempty(type)) {
2144 r = update_schedule_file(m);
2148 (void) unlink("/run/systemd/shutdown/scheduled");
2150 return sd_bus_reply_method_return(message, NULL);
2153 static int method_cancel_scheduled_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2154 Manager *m = userdata;
2160 cancelled = m->scheduled_shutdown_type != NULL;
2161 reset_scheduled_shutdown(m);
2164 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
2165 const char *tty = NULL;
2169 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds);
2171 (void) sd_bus_creds_get_uid(creds, &uid);
2172 (void) sd_bus_creds_get_tty(creds, &tty);
2175 utmp_wall("The system shutdown has been cancelled",
2176 uid_to_name(uid), tty, logind_wall_tty_filter, m);
2179 return sd_bus_reply_method_return(message, "b", cancelled);
2182 static int method_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2183 Manager *m = userdata;
2185 return method_do_shutdown_or_sleep(
2189 "org.freedesktop.login1.hibernate",
2190 "org.freedesktop.login1.hibernate-multiple-sessions",
2191 "org.freedesktop.login1.hibernate-ignore-inhibit",
2196 static int method_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2197 Manager *m = userdata;
2199 return method_do_shutdown_or_sleep(
2201 HANDLE_HYBRID_SLEEP,
2203 "org.freedesktop.login1.hibernate",
2204 "org.freedesktop.login1.hibernate-multiple-sessions",
2205 "org.freedesktop.login1.hibernate-ignore-inhibit",
2210 static int method_can_shutdown_or_sleep(
2212 sd_bus_message *message,
2215 const char *action_multiple_sessions,
2216 const char *action_ignore_inhibit,
2217 const char *sleep_verb,
2218 sd_bus_error *error) {
2220 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
2221 bool multiple_sessions, challenge, blocked;
2222 const char *result = NULL;
2229 assert(w <= _INHIBIT_WHAT_MAX);
2231 assert(action_multiple_sessions);
2232 assert(action_ignore_inhibit);
2235 r = can_sleep(m, sleep_verb);
2239 return sd_bus_reply_method_return(message, "s", "na");
2242 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds);
2246 r = sd_bus_creds_get_euid(creds, &uid);
2250 r = have_multiple_sessions(m, uid);
2254 multiple_sessions = r > 0;
2255 blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
2257 if (multiple_sessions) {
2258 r = bus_test_polkit(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, UID_INVALID, &challenge, error);
2265 result = "challenge";
2271 r = bus_test_polkit(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, UID_INVALID, &challenge, error);
2275 if (r > 0 && !result)
2277 else if (challenge && (!result || streq(result, "yes")))
2278 result = "challenge";
2283 if (!multiple_sessions && !blocked) {
2284 /* If neither inhibit nor multiple sessions
2285 * apply then just check the normal policy */
2287 r = bus_test_polkit(message, CAP_SYS_BOOT, action, NULL, UID_INVALID, &challenge, error);
2294 result = "challenge";
2299 return sd_bus_reply_method_return(message, "s", result);
2302 static int method_can_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2303 Manager *m = userdata;
2305 return method_can_shutdown_or_sleep(
2308 "org.freedesktop.login1.power-off",
2309 "org.freedesktop.login1.power-off-multiple-sessions",
2310 "org.freedesktop.login1.power-off-ignore-inhibit",
2315 static int method_can_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2316 Manager *m = userdata;
2318 return method_can_shutdown_or_sleep(
2321 "org.freedesktop.login1.reboot",
2322 "org.freedesktop.login1.reboot-multiple-sessions",
2323 "org.freedesktop.login1.reboot-ignore-inhibit",
2328 static int method_can_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2329 Manager *m = userdata;
2331 return method_can_shutdown_or_sleep(
2334 "org.freedesktop.login1.suspend",
2335 "org.freedesktop.login1.suspend-multiple-sessions",
2336 "org.freedesktop.login1.suspend-ignore-inhibit",
2341 static int method_can_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2342 Manager *m = userdata;
2344 return method_can_shutdown_or_sleep(
2347 "org.freedesktop.login1.hibernate",
2348 "org.freedesktop.login1.hibernate-multiple-sessions",
2349 "org.freedesktop.login1.hibernate-ignore-inhibit",
2354 static int method_can_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2355 Manager *m = userdata;
2357 return method_can_shutdown_or_sleep(
2360 "org.freedesktop.login1.hibernate",
2361 "org.freedesktop.login1.hibernate-multiple-sessions",
2362 "org.freedesktop.login1.hibernate-ignore-inhibit",
2367 static int property_get_reboot_to_firmware_setup(
2370 const char *interface,
2371 const char *property,
2372 sd_bus_message *reply,
2374 sd_bus_error *error) {
2375 #if 0 /// elogind does not support EFI
2382 r = efi_get_reboot_to_firmware();
2383 if (r < 0 && r != -EOPNOTSUPP)
2386 return sd_bus_message_append(reply, "b", r > 0);
2388 return sd_bus_message_append(reply, "b", false);
2392 static int method_set_reboot_to_firmware_setup(
2393 sd_bus_message *message,
2395 sd_bus_error *error) {
2398 Manager *m = userdata;
2403 r = sd_bus_message_read(message, "b", &b);
2407 r = bus_verify_polkit_async(message,
2409 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2413 &m->polkit_registry,
2418 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2420 #if 0 /// elogind does not support EFI
2421 r = efi_set_reboot_to_firmware(b);
2426 return sd_bus_reply_method_return(message, NULL);
2429 static int method_can_reboot_to_firmware_setup(
2430 sd_bus_message *message,
2432 sd_bus_error *error) {
2434 #if 0 /// elogind does not support EFI
2438 Manager *m = userdata;
2443 r = efi_reboot_to_firmware_supported();
2444 if (r == -EOPNOTSUPP)
2445 return sd_bus_reply_method_return(message, "s", "na");
2449 r = bus_test_polkit(message,
2451 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2462 result = "challenge";
2466 return sd_bus_reply_method_return(message, "s", result);
2468 return sd_bus_reply_method_return(message, "s", "no");
2472 static int method_set_wall_message(
2473 sd_bus_message *message,
2475 sd_bus_error *error) {
2478 Manager *m = userdata;
2480 int enable_wall_messages;
2485 r = sd_bus_message_read(message, "sb", &wall_message, &enable_wall_messages);
2489 r = bus_verify_polkit_async(message,
2491 "org.freedesktop.login1.set-wall-message",
2495 &m->polkit_registry,
2500 return 1; /* Will call us back */
2502 if (isempty(wall_message))
2503 m->wall_message = mfree(m->wall_message);
2505 r = free_and_strdup(&m->wall_message, wall_message);
2510 m->enable_wall_messages = enable_wall_messages;
2512 return sd_bus_reply_method_return(message, NULL);
2515 static int method_inhibit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2516 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
2517 const char *who, *why, *what, *mode;
2518 _cleanup_free_ char *id = NULL;
2519 _cleanup_close_ int fifo_fd = -1;
2520 Manager *m = userdata;
2521 Inhibitor *i = NULL;
2531 r = sd_bus_message_read(message, "ssss", &what, &who, &why, &mode);
2535 w = inhibit_what_from_string(what);
2537 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid what specification %s", what);
2539 mm = inhibit_mode_from_string(mode);
2541 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid mode specification %s", mode);
2543 /* Delay is only supported for shutdown/sleep */
2544 if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP)))
2545 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Delay inhibitors only supported for shutdown and sleep");
2547 /* Don't allow taking delay locks while we are already
2548 * executing the operation. We shouldn't create the impression
2549 * that the lock was successful if the machine is about to go
2550 * down/suspend any moment. */
2551 if (m->action_what & w)
2552 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "The operation inhibition has been requested for is already running");
2554 r = bus_verify_polkit_async(
2557 w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") :
2558 w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") :
2559 w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" :
2560 w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" :
2561 w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" :
2562 w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" :
2563 "org.freedesktop.login1.inhibit-handle-lid-switch",
2567 &m->polkit_registry,
2572 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2574 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID|SD_BUS_CREDS_PID, &creds);
2578 r = sd_bus_creds_get_euid(creds, &uid);
2582 r = sd_bus_creds_get_pid(creds, &pid);
2586 if (hashmap_size(m->inhibitors) >= m->inhibitors_max)
2587 return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Maximum number of inhibitors (%" PRIu64 ") reached, refusing further inhibitors.", m->inhibitors_max);
2592 if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0)
2595 } while (hashmap_get(m->inhibitors, id));
2597 r = manager_add_inhibitor(m, id, &i);
2605 i->why = strdup(why);
2606 i->who = strdup(who);
2608 if (!i->why || !i->who) {
2613 fifo_fd = inhibitor_create_fifo(i);
2621 return sd_bus_reply_method_return(message, "h", fifo_fd);
2630 const sd_bus_vtable manager_vtable[] = {
2631 SD_BUS_VTABLE_START(0),
2633 SD_BUS_WRITABLE_PROPERTY("EnableWallMessages", "b", NULL, NULL, offsetof(Manager, enable_wall_messages), 0),
2634 SD_BUS_WRITABLE_PROPERTY("WallMessage", "s", NULL, NULL, offsetof(Manager, wall_message), 0),
2636 // SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), SD_BUS_VTABLE_PROPERTY_CONST),
2637 SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), SD_BUS_VTABLE_PROPERTY_CONST),
2638 SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), SD_BUS_VTABLE_PROPERTY_CONST),
2639 SD_BUS_PROPERTY("KillUserProcesses", "b", NULL, offsetof(Manager, kill_user_processes), SD_BUS_VTABLE_PROPERTY_CONST),
2640 SD_BUS_PROPERTY("RebootToFirmwareSetup", "b", property_get_reboot_to_firmware_setup, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2641 SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2642 SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2643 SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2644 SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2645 SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2646 SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL, offsetof(Manager, inhibit_delay_max), SD_BUS_VTABLE_PROPERTY_CONST),
2647 SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action, offsetof(Manager, handle_power_key), SD_BUS_VTABLE_PROPERTY_CONST),
2648 SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action, offsetof(Manager, handle_suspend_key), SD_BUS_VTABLE_PROPERTY_CONST),
2649 SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action, offsetof(Manager, handle_hibernate_key), SD_BUS_VTABLE_PROPERTY_CONST),
2650 SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch), SD_BUS_VTABLE_PROPERTY_CONST),
2651 SD_BUS_PROPERTY("HandleLidSwitchDocked", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_docked), SD_BUS_VTABLE_PROPERTY_CONST),
2652 SD_BUS_PROPERTY("HoldoffTimeoutUSec", "t", NULL, offsetof(Manager, holdoff_timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2653 SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action, offsetof(Manager, idle_action), SD_BUS_VTABLE_PROPERTY_CONST),
2654 SD_BUS_PROPERTY("IdleActionUSec", "t", NULL, offsetof(Manager, idle_action_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2655 SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing, 0, 0),
2656 SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing, 0, 0),
2657 SD_BUS_PROPERTY("ScheduledShutdown", "(st)", property_get_scheduled_shutdown, 0, 0),
2658 SD_BUS_PROPERTY("Docked", "b", property_get_docked, 0, 0),
2659 SD_BUS_PROPERTY("RemoveIPC", "b", bus_property_get_bool, offsetof(Manager, remove_ipc), SD_BUS_VTABLE_PROPERTY_CONST),
2660 SD_BUS_PROPERTY("RuntimeDirectorySize", "t", bus_property_get_size, offsetof(Manager, runtime_dir_size), SD_BUS_VTABLE_PROPERTY_CONST),
2661 SD_BUS_PROPERTY("InhibitorsMax", "t", NULL, offsetof(Manager, inhibitors_max), SD_BUS_VTABLE_PROPERTY_CONST),
2662 SD_BUS_PROPERTY("NCurrentInhibitors", "t", property_get_current_inhibitors, 0, 0),
2663 SD_BUS_PROPERTY("SessionsMax", "t", NULL, offsetof(Manager, sessions_max), SD_BUS_VTABLE_PROPERTY_CONST),
2664 SD_BUS_PROPERTY("NCurrentSessions", "t", property_get_current_sessions, 0, 0),
2665 SD_BUS_PROPERTY("UserTasksMax", "t", NULL, offsetof(Manager, user_tasks_max), SD_BUS_VTABLE_PROPERTY_CONST),
2667 SD_BUS_METHOD("GetSession", "s", "o", method_get_session, SD_BUS_VTABLE_UNPRIVILEGED),
2668 SD_BUS_METHOD("GetSessionByPID", "u", "o", method_get_session_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
2669 SD_BUS_METHOD("GetUser", "u", "o", method_get_user, SD_BUS_VTABLE_UNPRIVILEGED),
2670 SD_BUS_METHOD("GetUserByPID", "u", "o", method_get_user_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
2671 SD_BUS_METHOD("GetSeat", "s", "o", method_get_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2672 SD_BUS_METHOD("ListSessions", NULL, "a(susso)", method_list_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2673 SD_BUS_METHOD("ListUsers", NULL, "a(uso)", method_list_users, SD_BUS_VTABLE_UNPRIVILEGED),
2674 SD_BUS_METHOD("ListSeats", NULL, "a(so)", method_list_seats, SD_BUS_VTABLE_UNPRIVILEGED),
2675 SD_BUS_METHOD("ListInhibitors", NULL, "a(ssssuu)", method_list_inhibitors, SD_BUS_VTABLE_UNPRIVILEGED),
2676 SD_BUS_METHOD("CreateSession", "uusssssussbssa(sv)", "soshusub", method_create_session, 0),
2677 SD_BUS_METHOD("ReleaseSession", "s", NULL, method_release_session, 0),
2678 SD_BUS_METHOD("ActivateSession", "s", NULL, method_activate_session, SD_BUS_VTABLE_UNPRIVILEGED),
2679 SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL, method_activate_session_on_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2680 SD_BUS_METHOD("LockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED),
2681 SD_BUS_METHOD("UnlockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED),
2682 SD_BUS_METHOD("LockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2683 SD_BUS_METHOD("UnlockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2684 SD_BUS_METHOD("KillSession", "ssi", NULL, method_kill_session, SD_BUS_VTABLE_UNPRIVILEGED),
2685 SD_BUS_METHOD("KillUser", "ui", NULL, method_kill_user, SD_BUS_VTABLE_UNPRIVILEGED),
2686 SD_BUS_METHOD("TerminateSession", "s", NULL, method_terminate_session, SD_BUS_VTABLE_UNPRIVILEGED),
2687 SD_BUS_METHOD("TerminateUser", "u", NULL, method_terminate_user, SD_BUS_VTABLE_UNPRIVILEGED),
2688 SD_BUS_METHOD("TerminateSeat", "s", NULL, method_terminate_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2689 SD_BUS_METHOD("SetUserLinger", "ubb", NULL, method_set_user_linger, SD_BUS_VTABLE_UNPRIVILEGED),
2690 SD_BUS_METHOD("AttachDevice", "ssb", NULL, method_attach_device, SD_BUS_VTABLE_UNPRIVILEGED),
2691 SD_BUS_METHOD("FlushDevices", "b", NULL, method_flush_devices, SD_BUS_VTABLE_UNPRIVILEGED),
2692 SD_BUS_METHOD("PowerOff", "b", NULL, method_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
2693 SD_BUS_METHOD("Reboot", "b", NULL, method_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
2694 SD_BUS_METHOD("Suspend", "b", NULL, method_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
2695 SD_BUS_METHOD("Hibernate", "b", NULL, method_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
2696 SD_BUS_METHOD("HybridSleep", "b", NULL, method_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
2697 SD_BUS_METHOD("CanPowerOff", NULL, "s", method_can_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
2698 SD_BUS_METHOD("CanReboot", NULL, "s", method_can_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
2699 SD_BUS_METHOD("CanSuspend", NULL, "s", method_can_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
2700 SD_BUS_METHOD("CanHibernate", NULL, "s", method_can_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
2701 SD_BUS_METHOD("CanHybridSleep", NULL, "s", method_can_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
2702 SD_BUS_METHOD("ScheduleShutdown", "st", NULL, method_schedule_shutdown, SD_BUS_VTABLE_UNPRIVILEGED),
2703 SD_BUS_METHOD("CancelScheduledShutdown", NULL, "b", method_cancel_scheduled_shutdown, SD_BUS_VTABLE_UNPRIVILEGED),
2704 SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit, SD_BUS_VTABLE_UNPRIVILEGED),
2705 SD_BUS_METHOD("CanRebootToFirmwareSetup", NULL, "s", method_can_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED),
2706 SD_BUS_METHOD("SetRebootToFirmwareSetup", "b", NULL, method_set_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED),
2707 SD_BUS_METHOD("SetWallMessage", "sb", NULL, method_set_wall_message, SD_BUS_VTABLE_UNPRIVILEGED),
2709 SD_BUS_SIGNAL("SessionNew", "so", 0),
2710 SD_BUS_SIGNAL("SessionRemoved", "so", 0),
2711 SD_BUS_SIGNAL("UserNew", "uo", 0),
2712 SD_BUS_SIGNAL("UserRemoved", "uo", 0),
2713 SD_BUS_SIGNAL("SeatNew", "so", 0),
2714 SD_BUS_SIGNAL("SeatRemoved", "so", 0),
2715 SD_BUS_SIGNAL("PrepareForShutdown", "b", 0),
2716 SD_BUS_SIGNAL("PrepareForSleep", "b", 0),
2721 #if 0 /// UNNEEDED by elogind
2722 static int session_jobs_reply(Session *s, const char *unit, const char *result) {
2731 if (streq(result, "done"))
2732 r = session_send_create_reply(s, NULL);
2734 _cleanup_(sd_bus_error_free) sd_bus_error e = SD_BUS_ERROR_NULL;
2736 sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result);
2737 r = session_send_create_reply(s, &e);
2743 int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2744 const char *path, *result, *unit;
2745 Manager *m = userdata;
2754 r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result);
2756 bus_log_parse_error(r);
2760 if (m->action_job && streq(m->action_job, path)) {
2761 log_info("Operation '%s' finished.", inhibit_what_to_string(m->action_what));
2763 /* Tell people that they now may take a lock again */
2764 send_prepare_for(m, m->action_what, false);
2766 m->action_job = mfree(m->action_job);
2767 m->action_unit = NULL;
2772 session = hashmap_get(m->session_units, unit);
2773 if (session && streq_ptr(path, session->scope_job)) {
2774 session->scope_job = mfree(session->scope_job);
2775 session_jobs_reply(session, unit, result);
2777 session_save(session);
2778 user_save(session->user);
2779 session_add_to_gc_queue(session);
2782 user = hashmap_get(m->user_units, unit);
2784 (streq_ptr(path, user->service_job) ||
2785 streq_ptr(path, user->slice_job))) {
2787 if (streq_ptr(path, user->service_job))
2788 user->service_job = mfree(user->service_job);
2790 if (streq_ptr(path, user->slice_job))
2791 user->slice_job = mfree(user->slice_job);
2793 LIST_FOREACH(sessions_by_user, session, user->sessions)
2794 session_jobs_reply(session, unit, result);
2797 user_add_to_gc_queue(user);
2803 int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2804 const char *path, *unit;
2805 Manager *m = userdata;
2813 r = sd_bus_message_read(message, "so", &unit, &path);
2815 bus_log_parse_error(r);
2819 session = hashmap_get(m->session_units, unit);
2821 session_add_to_gc_queue(session);
2823 user = hashmap_get(m->user_units, unit);
2825 user_add_to_gc_queue(user);
2830 int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2831 _cleanup_free_ char *unit = NULL;
2832 Manager *m = userdata;
2841 path = sd_bus_message_get_path(message);
2845 r = unit_name_from_dbus_path(path, &unit);
2846 if (r == -EINVAL) /* not a unit */
2853 session = hashmap_get(m->session_units, unit);
2855 session_add_to_gc_queue(session);
2857 user = hashmap_get(m->user_units, unit);
2859 user_add_to_gc_queue(user);
2864 int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2865 Manager *m = userdata;
2873 r = sd_bus_message_read(message, "b", &b);
2875 bus_log_parse_error(r);
2882 /* systemd finished reloading, let's recheck all our sessions */
2883 log_debug("System manager has been reloaded, rechecking sessions...");
2885 HASHMAP_FOREACH(session, m->sessions, i)
2886 session_add_to_gc_queue(session);
2892 int manager_send_changed(Manager *manager, const char *property, ...) {
2897 l = strv_from_stdarg_alloca(property);
2899 return sd_bus_emit_properties_changed_strv(
2901 "/org/freedesktop/login1",
2902 "org.freedesktop.login1.Manager",
2906 #if 0 /// UNNEEDED by elogind
2907 static int strdup_job(sd_bus_message *reply, char **job) {
2912 r = sd_bus_message_read(reply, "o", &j);
2924 int manager_start_slice(
2927 const char *description,
2931 sd_bus_error *error,
2934 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
2940 r = sd_bus_message_new_method_call(
2943 "org.freedesktop.systemd1",
2944 "/org/freedesktop/systemd1",
2945 "org.freedesktop.systemd1.Manager",
2946 "StartTransientUnit");
2950 r = sd_bus_message_append(m, "ss", strempty(slice), "fail");
2954 r = sd_bus_message_open_container(m, 'a', "(sv)");
2958 if (!isempty(description)) {
2959 r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
2964 if (!isempty(after)) {
2965 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after);
2970 if (!isempty(after2)) {
2971 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2);
2976 r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", tasks_max);
2980 r = sd_bus_message_close_container(m);
2984 r = sd_bus_message_append(m, "a(sa(sv))", 0);
2988 r = sd_bus_call(manager->bus, m, 0, error, &reply);
2993 return strdup_job(reply, job);
2997 int manager_start_scope(
3002 const char *description,
3006 sd_bus_error *error,
3009 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
3016 r = sd_bus_message_new_method_call(
3019 "org.freedesktop.systemd1",
3020 "/org/freedesktop/systemd1",
3021 "org.freedesktop.systemd1.Manager",
3022 "StartTransientUnit");
3026 r = sd_bus_message_append(m, "ss", strempty(scope), "fail");
3030 r = sd_bus_message_open_container(m, 'a', "(sv)");
3034 if (!isempty(slice)) {
3035 r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice);
3040 if (!isempty(description)) {
3041 r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
3046 if (!isempty(after)) {
3047 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after);
3052 if (!isempty(after2)) {
3053 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2);
3058 /* cgroup empty notification is not available in containers
3059 * currently. To make this less problematic, let's shorten the
3060 * stop timeout for sessions, so that we don't wait
3063 /* Make sure that the session shells are terminated with
3064 * SIGHUP since bash and friends tend to ignore SIGTERM */
3065 r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", true);
3069 r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid);
3073 r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", tasks_max);
3077 r = sd_bus_message_close_container(m);
3081 r = sd_bus_message_append(m, "a(sa(sv))", 0);
3085 r = sd_bus_call(manager->bus, m, 0, error, &reply);
3090 return strdup_job(reply, job);
3094 int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
3095 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3101 r = sd_bus_call_method(
3103 "org.freedesktop.systemd1",
3104 "/org/freedesktop/systemd1",
3105 "org.freedesktop.systemd1.Manager",
3109 "ss", unit, "replace");
3114 return strdup_job(reply, job);
3118 int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
3119 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3125 r = sd_bus_call_method(
3127 "org.freedesktop.systemd1",
3128 "/org/freedesktop/systemd1",
3129 "org.freedesktop.systemd1.Manager",
3133 "ss", unit, "fail");
3135 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
3136 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) {
3141 sd_bus_error_free(error);
3149 return strdup_job(reply, job);
3153 int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error) {
3154 _cleanup_free_ char *path = NULL;
3160 path = unit_dbus_path_from_name(scope);
3164 r = sd_bus_call_method(
3166 "org.freedesktop.systemd1",
3168 "org.freedesktop.systemd1.Scope",
3174 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
3175 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED) ||
3176 sd_bus_error_has_name(error, BUS_ERROR_SCOPE_NOT_RUNNING)) {
3177 sd_bus_error_free(error);
3187 int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) {
3191 return sd_bus_call_method(
3193 "org.freedesktop.systemd1",
3194 "/org/freedesktop/systemd1",
3195 "org.freedesktop.systemd1.Manager",
3199 "ssi", unit, who == KILL_LEADER ? "main" : "all", signo);
3202 int manager_unit_is_active(Manager *manager, const char *unit) {
3203 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3204 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3205 _cleanup_free_ char *path = NULL;
3212 path = unit_dbus_path_from_name(unit);
3216 r = sd_bus_get_property(
3218 "org.freedesktop.systemd1",
3220 "org.freedesktop.systemd1.Unit",
3226 /* systemd might have droppped off momentarily, let's
3227 * not make this an error */
3228 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
3229 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
3232 /* If the unit is already unloaded then it's not
3234 if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) ||
3235 sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED))
3241 r = sd_bus_message_read(reply, "s", &state);
3245 return !streq(state, "inactive") && !streq(state, "failed");
3248 int manager_job_is_active(Manager *manager, const char *path) {
3249 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3250 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3256 r = sd_bus_get_property(
3258 "org.freedesktop.systemd1",
3260 "org.freedesktop.systemd1.Job",
3266 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
3267 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
3270 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT))
3276 /* We don't actually care about the state really. The fact
3277 * that we could read the job state is enough for us */