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"
36 #include "fileio-label.h"
37 #include "format-util.h"
41 #include "path-util.h"
42 #include "process-util.h"
43 #include "selinux-util.h"
44 #include "sleep-config.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 int manager_get_session_from_creds(Manager
*m
, sd_bus_message
*message
, const char *name
, sd_bus_error
*error
, Session
**ret
) {
54 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
63 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_SESSION
|SD_BUS_CREDS_AUGMENT
, &creds
);
67 r
= sd_bus_creds_get_session(creds
, &name
);
69 return sd_bus_error_setf(error
, BUS_ERROR_NO_SESSION_FOR_PID
,
70 "Caller does not belong to any known session");
75 session
= hashmap_get(m
->sessions
, name
);
77 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_SESSION
, "No session '%s' known", name
);
83 int manager_get_user_from_creds(Manager
*m
, sd_bus_message
*message
, uid_t uid
, sd_bus_error
*error
, User
**ret
) {
91 if (!uid_is_valid(uid
)) {
92 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
94 /* Note that we get the owner UID of the session, not the actual client UID here! */
95 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_OWNER_UID
|SD_BUS_CREDS_AUGMENT
, &creds
);
99 r
= sd_bus_creds_get_owner_uid(creds
, &uid
);
104 user
= hashmap_get(m
->users
, UID_TO_PTR(uid
));
106 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_USER
, "No user "UID_FMT
" known or logged in", uid
);
112 int manager_get_seat_from_creds(Manager
*m
, sd_bus_message
*message
, const char *name
, sd_bus_error
*error
, Seat
**ret
) {
123 r
= manager_get_session_from_creds(m
, message
, NULL
, error
, &session
);
127 seat
= session
->seat
;
129 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_SEAT
, "Session has no seat.");
131 seat
= hashmap_get(m
->seats
, name
);
133 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_SEAT
, "No seat '%s' known", name
);
140 static int property_get_idle_hint(
143 const char *interface
,
144 const char *property
,
145 sd_bus_message
*reply
,
147 sd_bus_error
*error
) {
149 Manager
*m
= userdata
;
155 return sd_bus_message_append(reply
, "b", manager_get_idle_hint(m
, NULL
) > 0);
158 static int property_get_idle_since_hint(
161 const char *interface
,
162 const char *property
,
163 sd_bus_message
*reply
,
165 sd_bus_error
*error
) {
167 Manager
*m
= userdata
;
168 dual_timestamp t
= DUAL_TIMESTAMP_NULL
;
174 manager_get_idle_hint(m
, &t
);
176 return sd_bus_message_append(reply
, "t", streq(property
, "IdleSinceHint") ? t
.realtime
: t
.monotonic
);
179 static int property_get_inhibited(
182 const char *interface
,
183 const char *property
,
184 sd_bus_message
*reply
,
186 sd_bus_error
*error
) {
188 Manager
*m
= userdata
;
195 w
= manager_inhibit_what(m
, streq(property
, "BlockInhibited") ? INHIBIT_BLOCK
: INHIBIT_DELAY
);
197 return sd_bus_message_append(reply
, "s", inhibit_what_to_string(w
));
200 static int property_get_preparing(
203 const char *interface
,
204 const char *property
,
205 sd_bus_message
*reply
,
207 sd_bus_error
*error
) {
209 Manager
*m
= userdata
;
216 if (streq(property
, "PreparingForShutdown"))
217 b
= !!(m
->action_what
& INHIBIT_SHUTDOWN
);
219 b
= !!(m
->action_what
& INHIBIT_SLEEP
);
221 return sd_bus_message_append(reply
, "b", b
);
224 static int property_get_scheduled_shutdown(
227 const char *interface
,
228 const char *property
,
229 sd_bus_message
*reply
,
231 sd_bus_error
*error
) {
233 Manager
*m
= userdata
;
240 r
= sd_bus_message_open_container(reply
, 'r', "st");
244 r
= sd_bus_message_append(reply
, "st", m
->scheduled_shutdown_type
, m
->scheduled_shutdown_timeout
);
248 return sd_bus_message_close_container(reply
);
251 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_handle_action
, handle_action
, HandleAction
);
253 static int property_get_docked(
256 const char *interface
,
257 const char *property
,
258 sd_bus_message
*reply
,
260 sd_bus_error
*error
) {
262 Manager
*m
= userdata
;
268 return sd_bus_message_append(reply
, "b", manager_is_docked_or_external_displays(m
));
271 static int property_get_current_sessions(
274 const char *interface
,
275 const char *property
,
276 sd_bus_message
*reply
,
278 sd_bus_error
*error
) {
280 Manager
*m
= userdata
;
286 return sd_bus_message_append(reply
, "t", (uint64_t) hashmap_size(m
->sessions
));
289 static int property_get_current_inhibitors(
292 const char *interface
,
293 const char *property
,
294 sd_bus_message
*reply
,
296 sd_bus_error
*error
) {
298 Manager
*m
= userdata
;
304 return sd_bus_message_append(reply
, "t", (uint64_t) hashmap_size(m
->inhibitors
));
307 static int method_get_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
308 _cleanup_free_
char *p
= NULL
;
309 Manager
*m
= userdata
;
317 r
= sd_bus_message_read(message
, "s", &name
);
321 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
325 p
= session_bus_path(session
);
329 return sd_bus_reply_method_return(message
, "o", p
);
332 static int method_get_session_by_pid(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
333 _cleanup_free_
char *p
= NULL
;
334 Session
*session
= NULL
;
335 Manager
*m
= userdata
;
342 assert_cc(sizeof(pid_t
) == sizeof(uint32_t));
344 r
= sd_bus_message_read(message
, "u", &pid
);
351 r
= manager_get_session_from_creds(m
, message
, NULL
, error
, &session
);
355 r
= manager_get_session_by_pid(m
, pid
, &session
);
360 return sd_bus_error_setf(error
, BUS_ERROR_NO_SESSION_FOR_PID
, "PID "PID_FMT
" does not belong to any known session", pid
);
363 p
= session_bus_path(session
);
367 return sd_bus_reply_method_return(message
, "o", p
);
370 static int method_get_user(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
371 _cleanup_free_
char *p
= NULL
;
372 Manager
*m
= userdata
;
380 r
= sd_bus_message_read(message
, "u", &uid
);
384 r
= manager_get_user_from_creds(m
, message
, uid
, error
, &user
);
388 p
= user_bus_path(user
);
392 return sd_bus_reply_method_return(message
, "o", p
);
395 static int method_get_user_by_pid(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
396 _cleanup_free_
char *p
= NULL
;
397 Manager
*m
= userdata
;
405 assert_cc(sizeof(pid_t
) == sizeof(uint32_t));
407 r
= sd_bus_message_read(message
, "u", &pid
);
414 r
= manager_get_user_from_creds(m
, message
, UID_INVALID
, error
, &user
);
418 r
= manager_get_user_by_pid(m
, pid
, &user
);
422 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
);
425 p
= user_bus_path(user
);
429 return sd_bus_reply_method_return(message
, "o", p
);
432 static int method_get_seat(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
433 _cleanup_free_
char *p
= NULL
;
434 Manager
*m
= userdata
;
442 r
= sd_bus_message_read(message
, "s", &name
);
446 r
= manager_get_seat_from_creds(m
, message
, name
, error
, &seat
);
450 p
= seat_bus_path(seat
);
454 return sd_bus_reply_method_return(message
, "o", p
);
457 static int method_list_sessions(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
458 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
459 Manager
*m
= userdata
;
467 r
= sd_bus_message_new_method_return(message
, &reply
);
471 r
= sd_bus_message_open_container(reply
, 'a', "(susso)");
475 HASHMAP_FOREACH(session
, m
->sessions
, i
) {
476 _cleanup_free_
char *p
= NULL
;
478 p
= session_bus_path(session
);
482 r
= sd_bus_message_append(reply
, "(susso)",
484 (uint32_t) session
->user
->uid
,
486 session
->seat
? session
->seat
->id
: "",
492 r
= sd_bus_message_close_container(reply
);
496 return sd_bus_send(NULL
, reply
, NULL
);
499 static int method_list_users(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
500 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
501 Manager
*m
= userdata
;
509 r
= sd_bus_message_new_method_return(message
, &reply
);
513 r
= sd_bus_message_open_container(reply
, 'a', "(uso)");
517 HASHMAP_FOREACH(user
, m
->users
, i
) {
518 _cleanup_free_
char *p
= NULL
;
520 p
= user_bus_path(user
);
524 r
= sd_bus_message_append(reply
, "(uso)",
525 (uint32_t) user
->uid
,
532 r
= sd_bus_message_close_container(reply
);
536 return sd_bus_send(NULL
, reply
, NULL
);
539 static int method_list_seats(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
540 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
541 Manager
*m
= userdata
;
549 r
= sd_bus_message_new_method_return(message
, &reply
);
553 r
= sd_bus_message_open_container(reply
, 'a', "(so)");
557 HASHMAP_FOREACH(seat
, m
->seats
, i
) {
558 _cleanup_free_
char *p
= NULL
;
560 p
= seat_bus_path(seat
);
564 r
= sd_bus_message_append(reply
, "(so)", seat
->id
, p
);
569 r
= sd_bus_message_close_container(reply
);
573 return sd_bus_send(NULL
, reply
, NULL
);
576 static int method_list_inhibitors(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
577 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
578 Manager
*m
= userdata
;
579 Inhibitor
*inhibitor
;
586 r
= sd_bus_message_new_method_return(message
, &reply
);
590 r
= sd_bus_message_open_container(reply
, 'a', "(ssssuu)");
594 HASHMAP_FOREACH(inhibitor
, m
->inhibitors
, i
) {
596 r
= sd_bus_message_append(reply
, "(ssssuu)",
597 strempty(inhibit_what_to_string(inhibitor
->what
)),
598 strempty(inhibitor
->who
),
599 strempty(inhibitor
->why
),
600 strempty(inhibit_mode_to_string(inhibitor
->mode
)),
601 (uint32_t) inhibitor
->uid
,
602 (uint32_t) inhibitor
->pid
);
607 r
= sd_bus_message_close_container(reply
);
611 return sd_bus_send(NULL
, reply
, NULL
);
614 static int method_create_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
615 const char *service
, *type
, *class, *cseat
, *tty
, *display
, *remote_user
, *remote_host
, *desktop
;
616 uint32_t audit_id
= 0;
617 _cleanup_free_
char *id
= NULL
;
618 Session
*session
= NULL
;
619 Manager
*m
= userdata
;
633 assert_cc(sizeof(pid_t
) == sizeof(uint32_t));
634 assert_cc(sizeof(uid_t
) == sizeof(uint32_t));
636 r
= sd_bus_message_read(message
, "uusssssussbss", &uid
, &leader
, &service
, &type
, &class, &desktop
, &cseat
, &vtnr
, &tty
, &display
, &remote
, &remote_user
, &remote_host
);
640 if (!uid_is_valid(uid
))
641 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid UID");
642 if (leader
< 0 || leader
== 1)
643 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid leader PID");
646 t
= _SESSION_TYPE_INVALID
;
648 t
= session_type_from_string(type
);
650 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid session type %s", type
);
654 c
= _SESSION_CLASS_INVALID
;
656 c
= session_class_from_string(class);
658 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid session class %s", class);
661 if (isempty(desktop
))
664 if (!string_is_safe(desktop
))
665 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid desktop string %s", desktop
);
671 seat
= hashmap_get(m
->seats
, cseat
);
673 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_SEAT
, "No seat '%s' known", cseat
);
676 if (tty_is_vc(tty
)) {
681 else if (seat
!= m
->seat0
)
682 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
);
684 v
= vtnr_from_tty(tty
);
686 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Cannot determine VT number from virtual console TTY %s", tty
);
690 else if (vtnr
!= (uint32_t) v
)
691 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Specified TTY and VT number do not match");
693 } else if (tty_is_console(tty
)) {
697 else if (seat
!= m
->seat0
)
698 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Console TTY specified but seat is not seat0");
701 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Console TTY specified but VT number is not 0");
705 if (seat_has_vts(seat
)) {
706 if (!vtnr
|| vtnr
> 63)
707 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "VT number out of range");
710 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Seat has no VTs but VT number not 0");
714 r
= sd_bus_message_enter_container(message
, 'a', "(sv)");
718 if (t
== _SESSION_TYPE_INVALID
) {
719 if (!isempty(display
))
721 else if (!isempty(tty
))
724 t
= SESSION_UNSPECIFIED
;
727 if (c
== _SESSION_CLASS_INVALID
) {
728 if (t
== SESSION_UNSPECIFIED
)
729 c
= SESSION_BACKGROUND
;
735 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
737 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_PID
, &creds
);
741 r
= sd_bus_creds_get_pid(creds
, (pid_t
*) &leader
);
746 r
= manager_get_session_by_pid(m
, leader
, NULL
);
748 return sd_bus_error_setf(error
, BUS_ERROR_SESSION_BUSY
, "Already running in a session");
751 * Old gdm and lightdm start the user-session on the same VT as
752 * the greeter session. But they destroy the greeter session
753 * after the user-session and want the user-session to take
754 * over the VT. We need to support this for
755 * backwards-compatibility, so make sure we allow new sessions
756 * on a VT that a greeter is running on. Furthermore, to allow
757 * re-logins, we have to allow a greeter to take over a used VT for
758 * the exact same reasons.
760 if (c
!= SESSION_GREETER
&&
762 vtnr
< m
->seat0
->position_count
&&
763 m
->seat0
->positions
[vtnr
] &&
764 m
->seat0
->positions
[vtnr
]->class != SESSION_GREETER
)
765 return sd_bus_error_setf(error
, BUS_ERROR_SESSION_BUSY
, "Already occupied by a session");
767 if (hashmap_size(m
->sessions
) >= m
->sessions_max
)
768 return sd_bus_error_setf(error
, SD_BUS_ERROR_LIMITS_EXCEEDED
, "Maximum number of sessions (%" PRIu64
") reached, refusing further sessions.", m
->sessions_max
);
770 (void) audit_session_from_pid(leader
, &audit_id
);
771 if (audit_session_is_valid(audit_id
)) {
772 /* Keep our session IDs and the audit session IDs in sync */
774 if (asprintf(&id
, "%"PRIu32
, audit_id
) < 0)
777 /* Wut? There's already a session by this name and we
778 * didn't find it above? Weird, then let's not trust
779 * the audit data and let's better register a new
781 if (hashmap_get(m
->sessions
, id
)) {
782 log_warning("Existing logind session ID %s used by new audit session, ignoring", id
);
783 audit_id
= AUDIT_SESSION_INVALID
;
793 if (asprintf(&id
, "c%lu", ++m
->session_counter
) < 0)
796 } while (hashmap_get(m
->sessions
, id
));
799 r
= manager_add_user_by_uid(m
, uid
, &user
);
803 r
= manager_add_session(m
, id
, &session
);
807 session_set_user(session
, user
);
809 session
->leader
= leader
;
810 session
->audit_id
= audit_id
;
813 session
->remote
= remote
;
814 session
->vtnr
= vtnr
;
817 session
->tty
= strdup(tty
);
824 if (!isempty(display
)) {
825 session
->display
= strdup(display
);
826 if (!session
->display
) {
832 if (!isempty(remote_user
)) {
833 session
->remote_user
= strdup(remote_user
);
834 if (!session
->remote_user
) {
840 if (!isempty(remote_host
)) {
841 session
->remote_host
= strdup(remote_host
);
842 if (!session
->remote_host
) {
848 if (!isempty(service
)) {
849 session
->service
= strdup(service
);
850 if (!session
->service
) {
856 if (!isempty(desktop
)) {
857 session
->desktop
= strdup(desktop
);
858 if (!session
->desktop
) {
865 r
= seat_attach_session(seat
, session
);
870 r
= session_start(session
);
874 session
->create_message
= sd_bus_message_ref(message
);
876 /* Now, let's wait until the slice unit and stuff got
877 * created. We send the reply back from
878 * session_send_create_reply(). */
884 session_add_to_gc_queue(session
);
887 user_add_to_gc_queue(user
);
892 static int method_release_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
893 Manager
*m
= userdata
;
901 r
= sd_bus_message_read(message
, "s", &name
);
905 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
909 r
= session_release(session
);
913 return sd_bus_reply_method_return(message
, NULL
);
916 static int method_activate_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
917 Manager
*m
= userdata
;
925 r
= sd_bus_message_read(message
, "s", &name
);
929 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
933 return bus_session_method_activate(message
, session
, error
);
936 static int method_activate_session_on_seat(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
937 const char *session_name
, *seat_name
;
938 Manager
*m
= userdata
;
946 /* Same as ActivateSession() but refuses to work if
947 * the seat doesn't match */
949 r
= sd_bus_message_read(message
, "ss", &session_name
, &seat_name
);
953 r
= manager_get_session_from_creds(m
, message
, session_name
, error
, &session
);
957 r
= manager_get_seat_from_creds(m
, message
, seat_name
, error
, &seat
);
961 if (session
->seat
!= seat
)
962 return sd_bus_error_setf(error
, BUS_ERROR_SESSION_NOT_ON_SEAT
, "Session %s not on seat %s", session_name
, seat_name
);
964 r
= session_activate(session
);
968 return sd_bus_reply_method_return(message
, NULL
);
971 static int method_lock_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
972 Manager
*m
= userdata
;
980 r
= sd_bus_message_read(message
, "s", &name
);
984 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
988 return bus_session_method_lock(message
, session
, error
);
991 static int method_lock_sessions(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
992 Manager
*m
= userdata
;
998 r
= bus_verify_polkit_async(
1001 "org.freedesktop.login1.lock-sessions",
1005 &m
->polkit_registry
,
1010 return 1; /* Will call us back */
1012 r
= session_send_lock_all(m
, streq(sd_bus_message_get_member(message
), "LockSessions"));
1016 return sd_bus_reply_method_return(message
, NULL
);
1019 static int method_kill_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1021 Manager
*m
= userdata
;
1028 r
= sd_bus_message_read(message
, "s", &name
);
1032 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
1036 return bus_session_method_kill(message
, session
, error
);
1039 static int method_kill_user(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1040 Manager
*m
= userdata
;
1048 r
= sd_bus_message_read(message
, "u", &uid
);
1052 r
= manager_get_user_from_creds(m
, message
, uid
, error
, &user
);
1056 return bus_user_method_kill(message
, user
, error
);
1059 static int method_terminate_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1060 Manager
*m
= userdata
;
1068 r
= sd_bus_message_read(message
, "s", &name
);
1072 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
1076 return bus_session_method_terminate(message
, session
, error
);
1079 static int method_terminate_user(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1080 Manager
*m
= userdata
;
1088 r
= sd_bus_message_read(message
, "u", &uid
);
1092 r
= manager_get_user_from_creds(m
, message
, uid
, error
, &user
);
1096 return bus_user_method_terminate(message
, user
, error
);
1099 static int method_terminate_seat(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1100 Manager
*m
= userdata
;
1108 r
= sd_bus_message_read(message
, "s", &name
);
1112 r
= manager_get_seat_from_creds(m
, message
, name
, error
, &seat
);
1116 return bus_seat_method_terminate(message
, seat
, error
);
1119 static int method_set_user_linger(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1120 _cleanup_free_
char *cc
= NULL
;
1121 Manager
*m
= userdata
;
1122 int r
, b
, interactive
;
1131 r
= sd_bus_message_read(message
, "ubb", &uid
, &b
, &interactive
);
1135 if (!uid_is_valid(uid
)) {
1136 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
1138 /* Note that we get the owner UID of the session, not the actual client UID here! */
1139 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_OWNER_UID
|SD_BUS_CREDS_AUGMENT
, &creds
);
1143 r
= sd_bus_creds_get_owner_uid(creds
, &uid
);
1149 } else if (!uid_is_valid(uid
))
1155 return errno
> 0 ? -errno
: -ENOENT
;
1157 r
= bus_verify_polkit_async(
1160 self
? "org.freedesktop.login1.set-self-linger" : "org.freedesktop.login1.set-user-linger",
1164 &m
->polkit_registry
,
1169 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1171 mkdir_p_label("/var/lib/systemd", 0755);
1173 r
= mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0, false);
1177 cc
= cescape(pw
->pw_name
);
1181 path
= strjoina("/var/lib/systemd/linger/", cc
);
1189 if (manager_add_user_by_uid(m
, uid
, &u
) >= 0)
1196 if (r
< 0 && errno
!= ENOENT
)
1199 u
= hashmap_get(m
->users
, UID_TO_PTR(uid
));
1201 user_add_to_gc_queue(u
);
1204 return sd_bus_reply_method_return(message
, NULL
);
1207 static int trigger_device(Manager
*m
, struct udev_device
*d
) {
1208 _cleanup_udev_enumerate_unref_
struct udev_enumerate
*e
= NULL
;
1209 struct udev_list_entry
*first
, *item
;
1214 e
= udev_enumerate_new(m
->udev
);
1219 r
= udev_enumerate_add_match_parent(e
, d
);
1224 r
= udev_enumerate_scan_devices(e
);
1228 first
= udev_enumerate_get_list_entry(e
);
1229 udev_list_entry_foreach(item
, first
) {
1230 _cleanup_free_
char *t
= NULL
;
1233 p
= udev_list_entry_get_name(item
);
1235 t
= strappend(p
, "/uevent");
1239 write_string_file(t
, "change", WRITE_STRING_FILE_CREATE
);
1245 static int attach_device(Manager
*m
, const char *seat
, const char *sysfs
) {
1246 _cleanup_udev_device_unref_
struct udev_device
*d
= NULL
;
1247 _cleanup_free_
char *rule
= NULL
, *file
= NULL
;
1248 const char *id_for_seat
;
1255 d
= udev_device_new_from_syspath(m
->udev
, sysfs
);
1259 if (!udev_device_has_tag(d
, "seat"))
1262 id_for_seat
= udev_device_get_property_value(d
, "ID_FOR_SEAT");
1266 if (asprintf(&file
, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat
) < 0)
1269 if (asprintf(&rule
, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat
, seat
) < 0)
1272 mkdir_p_label("/etc/udev/rules.d", 0755);
1273 r
= write_string_file_atomic_label(file
, rule
);
1277 return trigger_device(m
, d
);
1280 static int flush_devices(Manager
*m
) {
1281 _cleanup_closedir_
DIR *d
;
1285 d
= opendir("/etc/udev/rules.d");
1287 if (errno
!= ENOENT
)
1288 log_warning_errno(errno
, "Failed to open /etc/udev/rules.d: %m");
1292 FOREACH_DIRENT_ALL(de
, d
, break) {
1293 if (!dirent_is_file(de
))
1296 if (!startswith(de
->d_name
, "72-seat-"))
1299 if (!endswith(de
->d_name
, ".rules"))
1302 if (unlinkat(dirfd(d
), de
->d_name
, 0) < 0)
1303 log_warning_errno(errno
, "Failed to unlink %s: %m", de
->d_name
);
1307 return trigger_device(m
, NULL
);
1310 static int method_attach_device(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1311 const char *sysfs
, *seat
;
1312 Manager
*m
= userdata
;
1318 r
= sd_bus_message_read(message
, "ssb", &seat
, &sysfs
, &interactive
);
1322 if (!path_startswith(sysfs
, "/sys"))
1323 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Path %s is not in /sys", sysfs
);
1325 if (!seat_name_is_valid(seat
))
1326 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Seat %s is not valid", seat
);
1328 r
= bus_verify_polkit_async(
1331 "org.freedesktop.login1.attach-device",
1335 &m
->polkit_registry
,
1340 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1342 r
= attach_device(m
, seat
, sysfs
);
1346 return sd_bus_reply_method_return(message
, NULL
);
1349 static int method_flush_devices(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1350 Manager
*m
= userdata
;
1356 r
= sd_bus_message_read(message
, "b", &interactive
);
1360 r
= bus_verify_polkit_async(
1363 "org.freedesktop.login1.flush-devices",
1367 &m
->polkit_registry
,
1372 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1374 r
= flush_devices(m
);
1378 return sd_bus_reply_method_return(message
, NULL
);
1381 static int have_multiple_sessions(
1390 /* Check for other users' sessions. Greeter sessions do not
1391 * count, and non-login sessions do not count either. */
1392 HASHMAP_FOREACH(session
, m
->sessions
, i
)
1393 if (session
->class == SESSION_USER
&&
1394 session
->user
->uid
!= uid
)
1400 static int bus_manager_log_shutdown(
1402 const char *unit_name
) {
1409 if (streq(unit_name
, SPECIAL_POWEROFF_TARGET
)) {
1410 p
= "MESSAGE=System is powering down";
1411 q
= "SHUTDOWN=power-off";
1412 } else if (streq(unit_name
, SPECIAL_REBOOT_TARGET
)) {
1413 p
= "MESSAGE=System is rebooting";
1414 q
= "SHUTDOWN=reboot";
1415 } else if (streq(unit_name
, SPECIAL_HALT_TARGET
)) {
1416 p
= "MESSAGE=System is halting";
1417 q
= "SHUTDOWN=halt";
1418 } else if (streq(unit_name
, SPECIAL_KEXEC_TARGET
)) {
1419 p
= "MESSAGE=System is rebooting with kexec";
1420 q
= "SHUTDOWN=kexec";
1422 p
= "MESSAGE=System is shutting down";
1426 if (isempty(m
->wall_message
))
1427 p
= strjoina(p
, ".");
1429 p
= strjoina(p
, " (", m
->wall_message
, ").");
1431 return log_struct(LOG_NOTICE
,
1432 "MESSAGE_ID=" SD_MESSAGE_SHUTDOWN_STR
,
1438 static int lid_switch_ignore_handler(sd_event_source
*e
, uint64_t usec
, void *userdata
) {
1439 Manager
*m
= userdata
;
1444 m
->lid_switch_ignore_event_source
= sd_event_source_unref(m
->lid_switch_ignore_event_source
);
1448 int manager_set_lid_switch_ignore(Manager
*m
, usec_t until
) {
1453 if (until
<= now(CLOCK_MONOTONIC
))
1456 /* We want to ignore the lid switch for a while after each
1457 * suspend, and after boot-up. Hence let's install a timer for
1458 * this. As long as the event source exists we ignore the lid
1461 if (m
->lid_switch_ignore_event_source
) {
1464 r
= sd_event_source_get_time(m
->lid_switch_ignore_event_source
, &u
);
1471 r
= sd_event_source_set_time(m
->lid_switch_ignore_event_source
, until
);
1473 r
= sd_event_add_time(
1475 &m
->lid_switch_ignore_event_source
,
1478 lid_switch_ignore_handler
, m
);
1483 static int send_prepare_for(Manager
*m
, InhibitWhat w
, bool _active
) {
1485 static const char * const signal_name
[_INHIBIT_WHAT_MAX
] = {
1486 [INHIBIT_SHUTDOWN
] = "PrepareForShutdown",
1487 [INHIBIT_SLEEP
] = "PrepareForSleep"
1490 int active
= _active
;
1494 assert(w
< _INHIBIT_WHAT_MAX
);
1495 assert(signal_name
[w
]);
1497 return sd_bus_emit_signal(m
->bus
,
1498 "/org/freedesktop/login1",
1499 "org.freedesktop.login1.Manager",
1505 static int execute_shutdown_or_sleep(
1508 const char *unit_name
,
1509 sd_bus_error
*error
) {
1511 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
1518 assert(w
< _INHIBIT_WHAT_MAX
);
1521 if (w
== INHIBIT_SHUTDOWN
)
1522 bus_manager_log_shutdown(m
, unit_name
);
1524 r
= sd_bus_call_method(
1526 "org.freedesktop.systemd1",
1527 "/org/freedesktop/systemd1",
1528 "org.freedesktop.systemd1.Manager",
1532 "ss", unit_name
, "replace-irreversibly");
1536 r
= sd_bus_message_read(reply
, "o", &p
);
1546 m
->action_unit
= unit_name
;
1547 free(m
->action_job
);
1551 /* Make sure the lid switch is ignored for a while */
1552 manager_set_lid_switch_ignore(m
, now(CLOCK_MONOTONIC
) + m
->holdoff_timeout_usec
);
1557 /* Tell people that they now may take a lock again */
1558 send_prepare_for(m
, m
->action_what
, false);
1563 int manager_dispatch_delayed(Manager
*manager
, bool timeout
) {
1565 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1566 Inhibitor
*offending
= NULL
;
1571 if (manager
->action_what
== 0 || manager
->action_job
)
1574 if (manager_is_inhibited(manager
, manager
->action_what
, INHIBIT_DELAY
, NULL
, false, false, 0, &offending
)) {
1575 _cleanup_free_
char *comm
= NULL
, *u
= NULL
;
1580 (void) get_process_comm(offending
->pid
, &comm
);
1581 u
= uid_to_name(offending
->uid
);
1583 log_notice("Delay lock is active (UID "UID_FMT
"/%s, PID "PID_FMT
"/%s) but inhibitor timeout is reached.",
1584 offending
->uid
, strna(u
),
1585 offending
->pid
, strna(comm
));
1588 /* Actually do the operation */
1589 r
= execute_shutdown_or_sleep(manager
, manager
->action_what
, manager
->action_unit
, &error
);
1591 log_warning("Error during inhibitor-delayed operation (already returned success to client): %s",
1592 bus_error_message(&error
, r
));
1594 manager
->action_unit
= NULL
;
1595 manager
->action_what
= 0;
1602 static int manager_inhibit_timeout_handler(
1607 Manager
*manager
= userdata
;
1611 assert(manager
->inhibit_timeout_source
== s
);
1613 r
= manager_dispatch_delayed(manager
, true);
1614 return (r
< 0) ? r
: 0;
1617 static int delay_shutdown_or_sleep(
1620 const char *unit_name
) {
1627 assert(w
< _INHIBIT_WHAT_MAX
);
1630 timeout_val
= now(CLOCK_MONOTONIC
) + m
->inhibit_delay_max
;
1632 if (m
->inhibit_timeout_source
) {
1633 r
= sd_event_source_set_time(m
->inhibit_timeout_source
, timeout_val
);
1635 return log_error_errno(r
, "sd_event_source_set_time() failed: %m");
1637 r
= sd_event_source_set_enabled(m
->inhibit_timeout_source
, SD_EVENT_ONESHOT
);
1639 return log_error_errno(r
, "sd_event_source_set_enabled() failed: %m");
1641 r
= sd_event_add_time(m
->event
, &m
->inhibit_timeout_source
, CLOCK_MONOTONIC
,
1642 timeout_val
, 0, manager_inhibit_timeout_handler
, m
);
1647 m
->action_unit
= unit_name
;
1653 int bus_manager_shutdown_or_sleep_now_or_later(
1655 const char *unit_name
,
1657 sd_bus_error
*error
) {
1665 assert(w
<= _INHIBIT_WHAT_MAX
);
1666 assert(!m
->action_job
);
1668 /* Tell everybody to prepare for shutdown/sleep */
1669 send_prepare_for(m
, w
, true);
1672 m
->inhibit_delay_max
> 0 &&
1673 manager_is_inhibited(m
, w
, INHIBIT_DELAY
, NULL
, false, false, 0, NULL
);
1676 /* Shutdown is delayed, keep in mind what we
1677 * want to do, and start a timeout */
1678 r
= delay_shutdown_or_sleep(m
, w
, unit_name
);
1680 /* Shutdown is not delayed, execute it
1682 r
= execute_shutdown_or_sleep(m
, w
, unit_name
, error
);
1687 static int verify_shutdown_creds(
1689 sd_bus_message
*message
,
1693 const char *action_multiple_sessions
,
1694 const char *action_ignore_inhibit
,
1695 sd_bus_error
*error
) {
1697 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
1698 bool multiple_sessions
, blocked
;
1705 assert(w
<= _INHIBIT_WHAT_MAX
);
1707 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_EUID
, &creds
);
1711 r
= sd_bus_creds_get_euid(creds
, &uid
);
1715 r
= have_multiple_sessions(m
, uid
);
1719 multiple_sessions
= r
> 0;
1720 blocked
= manager_is_inhibited(m
, w
, INHIBIT_BLOCK
, NULL
, false, true, uid
, NULL
);
1722 if (multiple_sessions
&& action_multiple_sessions
) {
1723 r
= bus_verify_polkit_async(message
, CAP_SYS_BOOT
, action_multiple_sessions
, NULL
, interactive
, UID_INVALID
, &m
->polkit_registry
, error
);
1727 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1730 if (blocked
&& action_ignore_inhibit
) {
1731 r
= bus_verify_polkit_async(message
, CAP_SYS_BOOT
, action_ignore_inhibit
, NULL
, interactive
, UID_INVALID
, &m
->polkit_registry
, error
);
1735 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1738 if (!multiple_sessions
&& !blocked
&& action
) {
1739 r
= bus_verify_polkit_async(message
, CAP_SYS_BOOT
, action
, NULL
, interactive
, UID_INVALID
, &m
->polkit_registry
, error
);
1743 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1749 static int method_do_shutdown_or_sleep(
1751 sd_bus_message
*message
,
1752 const char *unit_name
,
1755 const char *action_multiple_sessions
,
1756 const char *action_ignore_inhibit
,
1757 const char *sleep_verb
,
1758 sd_bus_error
*error
) {
1766 assert(w
<= _INHIBIT_WHAT_MAX
);
1768 r
= sd_bus_message_read(message
, "b", &interactive
);
1772 /* Don't allow multiple jobs being executed at the same time */
1774 return sd_bus_error_setf(error
, BUS_ERROR_OPERATION_IN_PROGRESS
, "There's already a shutdown or sleep operation in progress");
1777 r
= can_sleep(sleep_verb
);
1782 return sd_bus_error_setf(error
, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED
, "Sleep verb not supported");
1785 r
= verify_shutdown_creds(m
, message
, w
, interactive
, action
, action_multiple_sessions
,
1786 action_ignore_inhibit
, error
);
1790 r
= bus_manager_shutdown_or_sleep_now_or_later(m
, unit_name
, w
, error
);
1794 return sd_bus_reply_method_return(message
, NULL
);
1797 static int method_poweroff(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1798 Manager
*m
= userdata
;
1800 return method_do_shutdown_or_sleep(
1802 SPECIAL_POWEROFF_TARGET
,
1804 "org.freedesktop.login1.power-off",
1805 "org.freedesktop.login1.power-off-multiple-sessions",
1806 "org.freedesktop.login1.power-off-ignore-inhibit",
1811 static int method_reboot(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1812 Manager
*m
= userdata
;
1814 return method_do_shutdown_or_sleep(
1816 SPECIAL_REBOOT_TARGET
,
1818 "org.freedesktop.login1.reboot",
1819 "org.freedesktop.login1.reboot-multiple-sessions",
1820 "org.freedesktop.login1.reboot-ignore-inhibit",
1825 static int method_halt(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1826 Manager
*m
= userdata
;
1828 return method_do_shutdown_or_sleep(
1830 SPECIAL_HALT_TARGET
,
1832 "org.freedesktop.login1.halt",
1833 "org.freedesktop.login1.halt-multiple-sessions",
1834 "org.freedesktop.login1.halt-ignore-inhibit",
1839 static int method_suspend(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1840 Manager
*m
= userdata
;
1842 return method_do_shutdown_or_sleep(
1844 SPECIAL_SUSPEND_TARGET
,
1846 "org.freedesktop.login1.suspend",
1847 "org.freedesktop.login1.suspend-multiple-sessions",
1848 "org.freedesktop.login1.suspend-ignore-inhibit",
1853 static int method_hibernate(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1854 Manager
*m
= userdata
;
1856 return method_do_shutdown_or_sleep(
1858 SPECIAL_HIBERNATE_TARGET
,
1860 "org.freedesktop.login1.hibernate",
1861 "org.freedesktop.login1.hibernate-multiple-sessions",
1862 "org.freedesktop.login1.hibernate-ignore-inhibit",
1867 static int method_hybrid_sleep(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1868 Manager
*m
= userdata
;
1870 return method_do_shutdown_or_sleep(
1872 SPECIAL_HYBRID_SLEEP_TARGET
,
1874 "org.freedesktop.login1.hibernate",
1875 "org.freedesktop.login1.hibernate-multiple-sessions",
1876 "org.freedesktop.login1.hibernate-ignore-inhibit",
1881 static int nologin_timeout_handler(
1886 Manager
*m
= userdata
;
1889 log_info("Creating /run/nologin, blocking further logins...");
1891 r
= write_string_file_atomic_label("/run/nologin", "System is going down.");
1893 log_error_errno(r
, "Failed to create /run/nologin: %m");
1895 m
->unlink_nologin
= true;
1900 static int update_schedule_file(Manager
*m
) {
1901 _cleanup_free_
char *temp_path
= NULL
;
1902 _cleanup_fclose_
FILE *f
= NULL
;
1907 r
= mkdir_safe_label("/run/systemd/shutdown", 0755, 0, 0, false);
1909 return log_error_errno(r
, "Failed to create shutdown subdirectory: %m");
1911 r
= fopen_temporary("/run/systemd/shutdown/scheduled", &f
, &temp_path
);
1913 return log_error_errno(r
, "Failed to save information about scheduled shutdowns: %m");
1915 (void) fchmod(fileno(f
), 0644);
1921 m
->scheduled_shutdown_timeout
,
1922 m
->enable_wall_messages
,
1923 m
->scheduled_shutdown_type
);
1925 if (!isempty(m
->wall_message
)) {
1926 _cleanup_free_
char *t
;
1928 t
= cescape(m
->wall_message
);
1934 fprintf(f
, "WALL_MESSAGE=%s\n", t
);
1937 r
= fflush_and_check(f
);
1941 if (rename(temp_path
, "/run/systemd/shutdown/scheduled") < 0) {
1949 (void) unlink(temp_path
);
1950 (void) unlink("/run/systemd/shutdown/scheduled");
1952 return log_error_errno(r
, "Failed to write information about scheduled shutdowns: %m");
1955 static void reset_scheduled_shutdown(Manager
*m
) {
1958 m
->scheduled_shutdown_timeout_source
= sd_event_source_unref(m
->scheduled_shutdown_timeout_source
);
1959 m
->wall_message_timeout_source
= sd_event_source_unref(m
->wall_message_timeout_source
);
1960 m
->nologin_timeout_source
= sd_event_source_unref(m
->nologin_timeout_source
);
1962 m
->scheduled_shutdown_type
= mfree(m
->scheduled_shutdown_type
);
1963 m
->scheduled_shutdown_timeout
= 0;
1964 m
->shutdown_dry_run
= false;
1966 if (m
->unlink_nologin
) {
1967 (void) unlink("/run/nologin");
1968 m
->unlink_nologin
= false;
1971 (void) unlink("/run/systemd/shutdown/scheduled");
1974 static int manager_scheduled_shutdown_handler(
1979 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1980 Manager
*m
= userdata
;
1986 if (isempty(m
->scheduled_shutdown_type
))
1989 if (streq(m
->scheduled_shutdown_type
, "poweroff"))
1990 target
= SPECIAL_POWEROFF_TARGET
;
1991 else if (streq(m
->scheduled_shutdown_type
, "reboot"))
1992 target
= SPECIAL_REBOOT_TARGET
;
1993 else if (streq(m
->scheduled_shutdown_type
, "halt"))
1994 target
= SPECIAL_HALT_TARGET
;
1996 assert_not_reached("unexpected shutdown type");
1998 /* Don't allow multiple jobs being executed at the same time */
1999 if (m
->action_what
) {
2001 log_error("Scheduled shutdown to %s failed: shutdown or sleep operation already in progress", target
);
2005 if (m
->shutdown_dry_run
) {
2006 /* We do not process delay inhibitors here. Otherwise, we
2007 * would have to be considered "in progress" (like the check
2008 * above) for some seconds after our admin has seen the final
2011 bus_manager_log_shutdown(m
, target
);
2012 log_info("Running in dry run, suppressing action.");
2013 reset_scheduled_shutdown(m
);
2018 r
= bus_manager_shutdown_or_sleep_now_or_later(m
, target
, INHIBIT_SHUTDOWN
, &error
);
2020 log_error_errno(r
, "Scheduled shutdown to %s failed: %m", target
);
2027 reset_scheduled_shutdown(m
);
2031 static int method_schedule_shutdown(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2032 Manager
*m
= userdata
;
2033 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
2034 const char *action_multiple_sessions
= NULL
;
2035 const char *action_ignore_inhibit
= NULL
;
2036 const char *action
= NULL
;
2040 bool dry_run
= false;
2045 r
= sd_bus_message_read(message
, "st", &type
, &elapse
);
2049 if (startswith(type
, "dry-")) {
2054 if (streq(type
, "poweroff")) {
2055 action
= "org.freedesktop.login1.power-off";
2056 action_multiple_sessions
= "org.freedesktop.login1.power-off-multiple-sessions";
2057 action_ignore_inhibit
= "org.freedesktop.login1.power-off-ignore-inhibit";
2058 } else if (streq(type
, "reboot")) {
2059 action
= "org.freedesktop.login1.reboot";
2060 action_multiple_sessions
= "org.freedesktop.login1.reboot-multiple-sessions";
2061 action_ignore_inhibit
= "org.freedesktop.login1.reboot-ignore-inhibit";
2062 } else if (streq(type
, "halt")) {
2063 action
= "org.freedesktop.login1.halt";
2064 action_multiple_sessions
= "org.freedesktop.login1.halt-multiple-sessions";
2065 action_ignore_inhibit
= "org.freedesktop.login1.halt-ignore-inhibit";
2067 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Unsupported shutdown type");
2069 r
= verify_shutdown_creds(m
, message
, INHIBIT_SHUTDOWN
, false,
2070 action
, action_multiple_sessions
, action_ignore_inhibit
, error
);
2074 if (m
->scheduled_shutdown_timeout_source
) {
2075 r
= sd_event_source_set_time(m
->scheduled_shutdown_timeout_source
, elapse
);
2077 return log_error_errno(r
, "sd_event_source_set_time() failed: %m");
2079 r
= sd_event_source_set_enabled(m
->scheduled_shutdown_timeout_source
, SD_EVENT_ONESHOT
);
2081 return log_error_errno(r
, "sd_event_source_set_enabled() failed: %m");
2083 r
= sd_event_add_time(m
->event
, &m
->scheduled_shutdown_timeout_source
,
2084 CLOCK_REALTIME
, elapse
, 0, manager_scheduled_shutdown_handler
, m
);
2086 return log_error_errno(r
, "sd_event_add_time() failed: %m");
2089 r
= free_and_strdup(&m
->scheduled_shutdown_type
, type
);
2091 m
->scheduled_shutdown_timeout_source
= sd_event_source_unref(m
->scheduled_shutdown_timeout_source
);
2095 m
->shutdown_dry_run
= dry_run
;
2097 if (m
->nologin_timeout_source
) {
2098 r
= sd_event_source_set_time(m
->nologin_timeout_source
, elapse
);
2100 return log_error_errno(r
, "sd_event_source_set_time() failed: %m");
2102 r
= sd_event_source_set_enabled(m
->nologin_timeout_source
, SD_EVENT_ONESHOT
);
2104 return log_error_errno(r
, "sd_event_source_set_enabled() failed: %m");
2106 r
= sd_event_add_time(m
->event
, &m
->nologin_timeout_source
,
2107 CLOCK_REALTIME
, elapse
- 5 * USEC_PER_MINUTE
, 0, nologin_timeout_handler
, m
);
2109 return log_error_errno(r
, "sd_event_add_time() failed: %m");
2112 m
->scheduled_shutdown_timeout
= elapse
;
2114 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_AUGMENT
|SD_BUS_CREDS_TTY
|SD_BUS_CREDS_UID
, &creds
);
2116 const char *tty
= NULL
;
2118 (void) sd_bus_creds_get_uid(creds
, &m
->scheduled_shutdown_uid
);
2119 (void) sd_bus_creds_get_tty(creds
, &tty
);
2121 r
= free_and_strdup(&m
->scheduled_shutdown_tty
, tty
);
2123 m
->scheduled_shutdown_timeout_source
= sd_event_source_unref(m
->scheduled_shutdown_timeout_source
);
2128 r
= manager_setup_wall_message_timer(m
);
2132 r
= update_schedule_file(m
);
2136 return sd_bus_reply_method_return(message
, NULL
);
2139 static int method_cancel_scheduled_shutdown(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2140 Manager
*m
= userdata
;
2146 cancelled
= m
->scheduled_shutdown_type
!= NULL
;
2147 reset_scheduled_shutdown(m
);
2150 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
2151 const char *tty
= NULL
;
2155 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_AUGMENT
|SD_BUS_CREDS_TTY
|SD_BUS_CREDS_UID
, &creds
);
2157 (void) sd_bus_creds_get_uid(creds
, &uid
);
2158 (void) sd_bus_creds_get_tty(creds
, &tty
);
2161 utmp_wall("The system shutdown has been cancelled",
2162 uid_to_name(uid
), tty
, logind_wall_tty_filter
, m
);
2165 return sd_bus_reply_method_return(message
, "b", cancelled
);
2168 static int method_can_shutdown_or_sleep(
2170 sd_bus_message
*message
,
2173 const char *action_multiple_sessions
,
2174 const char *action_ignore_inhibit
,
2175 const char *sleep_verb
,
2176 sd_bus_error
*error
) {
2178 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
2179 bool multiple_sessions
, challenge
, blocked
;
2180 const char *result
= NULL
;
2187 assert(w
<= _INHIBIT_WHAT_MAX
);
2189 assert(action_multiple_sessions
);
2190 assert(action_ignore_inhibit
);
2193 r
= can_sleep(sleep_verb
);
2197 return sd_bus_reply_method_return(message
, "s", "na");
2200 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_EUID
, &creds
);
2204 r
= sd_bus_creds_get_euid(creds
, &uid
);
2208 r
= have_multiple_sessions(m
, uid
);
2212 multiple_sessions
= r
> 0;
2213 blocked
= manager_is_inhibited(m
, w
, INHIBIT_BLOCK
, NULL
, false, true, uid
, NULL
);
2215 if (multiple_sessions
) {
2216 r
= bus_test_polkit(message
, CAP_SYS_BOOT
, action_multiple_sessions
, NULL
, UID_INVALID
, &challenge
, error
);
2223 result
= "challenge";
2229 r
= bus_test_polkit(message
, CAP_SYS_BOOT
, action_ignore_inhibit
, NULL
, UID_INVALID
, &challenge
, error
);
2233 if (r
> 0 && !result
)
2235 else if (challenge
&& (!result
|| streq(result
, "yes")))
2236 result
= "challenge";
2241 if (!multiple_sessions
&& !blocked
) {
2242 /* If neither inhibit nor multiple sessions
2243 * apply then just check the normal policy */
2245 r
= bus_test_polkit(message
, CAP_SYS_BOOT
, action
, NULL
, UID_INVALID
, &challenge
, error
);
2252 result
= "challenge";
2257 return sd_bus_reply_method_return(message
, "s", result
);
2260 static int method_can_poweroff(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2261 Manager
*m
= userdata
;
2263 return method_can_shutdown_or_sleep(
2266 "org.freedesktop.login1.power-off",
2267 "org.freedesktop.login1.power-off-multiple-sessions",
2268 "org.freedesktop.login1.power-off-ignore-inhibit",
2273 static int method_can_reboot(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2274 Manager
*m
= userdata
;
2276 return method_can_shutdown_or_sleep(
2279 "org.freedesktop.login1.reboot",
2280 "org.freedesktop.login1.reboot-multiple-sessions",
2281 "org.freedesktop.login1.reboot-ignore-inhibit",
2286 static int method_can_halt(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2287 Manager
*m
= userdata
;
2289 return method_can_shutdown_or_sleep(
2292 "org.freedesktop.login1.halt",
2293 "org.freedesktop.login1.halt-multiple-sessions",
2294 "org.freedesktop.login1.halt-ignore-inhibit",
2299 static int method_can_suspend(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2300 Manager
*m
= userdata
;
2302 return method_can_shutdown_or_sleep(
2305 "org.freedesktop.login1.suspend",
2306 "org.freedesktop.login1.suspend-multiple-sessions",
2307 "org.freedesktop.login1.suspend-ignore-inhibit",
2312 static int method_can_hibernate(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2313 Manager
*m
= userdata
;
2315 return method_can_shutdown_or_sleep(
2318 "org.freedesktop.login1.hibernate",
2319 "org.freedesktop.login1.hibernate-multiple-sessions",
2320 "org.freedesktop.login1.hibernate-ignore-inhibit",
2325 static int method_can_hybrid_sleep(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2326 Manager
*m
= userdata
;
2328 return method_can_shutdown_or_sleep(
2331 "org.freedesktop.login1.hibernate",
2332 "org.freedesktop.login1.hibernate-multiple-sessions",
2333 "org.freedesktop.login1.hibernate-ignore-inhibit",
2338 static int property_get_reboot_to_firmware_setup(
2341 const char *interface
,
2342 const char *property
,
2343 sd_bus_message
*reply
,
2345 sd_bus_error
*error
) {
2352 r
= efi_get_reboot_to_firmware();
2353 if (r
< 0 && r
!= -EOPNOTSUPP
)
2356 return sd_bus_message_append(reply
, "b", r
> 0);
2359 static int method_set_reboot_to_firmware_setup(
2360 sd_bus_message
*message
,
2362 sd_bus_error
*error
) {
2365 Manager
*m
= userdata
;
2370 r
= sd_bus_message_read(message
, "b", &b
);
2374 r
= bus_verify_polkit_async(message
,
2376 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2380 &m
->polkit_registry
,
2385 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2387 r
= efi_set_reboot_to_firmware(b
);
2391 return sd_bus_reply_method_return(message
, NULL
);
2394 static int method_can_reboot_to_firmware_setup(
2395 sd_bus_message
*message
,
2397 sd_bus_error
*error
) {
2402 Manager
*m
= userdata
;
2407 r
= efi_reboot_to_firmware_supported();
2408 if (r
== -EOPNOTSUPP
)
2409 return sd_bus_reply_method_return(message
, "s", "na");
2413 r
= bus_test_polkit(message
,
2415 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2426 result
= "challenge";
2430 return sd_bus_reply_method_return(message
, "s", result
);
2433 static int method_set_wall_message(
2434 sd_bus_message
*message
,
2436 sd_bus_error
*error
) {
2439 Manager
*m
= userdata
;
2441 int enable_wall_messages
;
2446 r
= sd_bus_message_read(message
, "sb", &wall_message
, &enable_wall_messages
);
2450 r
= bus_verify_polkit_async(message
,
2452 "org.freedesktop.login1.set-wall-message",
2456 &m
->polkit_registry
,
2461 return 1; /* Will call us back */
2463 r
= free_and_strdup(&m
->wall_message
, empty_to_null(wall_message
));
2467 m
->enable_wall_messages
= enable_wall_messages
;
2469 return sd_bus_reply_method_return(message
, NULL
);
2472 static int method_inhibit(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2473 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
2474 const char *who
, *why
, *what
, *mode
;
2475 _cleanup_free_
char *id
= NULL
;
2476 _cleanup_close_
int fifo_fd
= -1;
2477 Manager
*m
= userdata
;
2478 Inhibitor
*i
= NULL
;
2488 r
= sd_bus_message_read(message
, "ssss", &what
, &who
, &why
, &mode
);
2492 w
= inhibit_what_from_string(what
);
2494 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid what specification %s", what
);
2496 mm
= inhibit_mode_from_string(mode
);
2498 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid mode specification %s", mode
);
2500 /* Delay is only supported for shutdown/sleep */
2501 if (mm
== INHIBIT_DELAY
&& (w
& ~(INHIBIT_SHUTDOWN
|INHIBIT_SLEEP
)))
2502 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Delay inhibitors only supported for shutdown and sleep");
2504 /* Don't allow taking delay locks while we are already
2505 * executing the operation. We shouldn't create the impression
2506 * that the lock was successful if the machine is about to go
2507 * down/suspend any moment. */
2508 if (m
->action_what
& w
)
2509 return sd_bus_error_setf(error
, BUS_ERROR_OPERATION_IN_PROGRESS
, "The operation inhibition has been requested for is already running");
2511 r
= bus_verify_polkit_async(
2514 w
== INHIBIT_SHUTDOWN
? (mm
== INHIBIT_BLOCK
? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") :
2515 w
== INHIBIT_SLEEP
? (mm
== INHIBIT_BLOCK
? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") :
2516 w
== INHIBIT_IDLE
? "org.freedesktop.login1.inhibit-block-idle" :
2517 w
== INHIBIT_HANDLE_POWER_KEY
? "org.freedesktop.login1.inhibit-handle-power-key" :
2518 w
== INHIBIT_HANDLE_SUSPEND_KEY
? "org.freedesktop.login1.inhibit-handle-suspend-key" :
2519 w
== INHIBIT_HANDLE_HIBERNATE_KEY
? "org.freedesktop.login1.inhibit-handle-hibernate-key" :
2520 "org.freedesktop.login1.inhibit-handle-lid-switch",
2524 &m
->polkit_registry
,
2529 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2531 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_EUID
|SD_BUS_CREDS_PID
, &creds
);
2535 r
= sd_bus_creds_get_euid(creds
, &uid
);
2539 r
= sd_bus_creds_get_pid(creds
, &pid
);
2543 if (hashmap_size(m
->inhibitors
) >= m
->inhibitors_max
)
2544 return sd_bus_error_setf(error
, SD_BUS_ERROR_LIMITS_EXCEEDED
, "Maximum number of inhibitors (%" PRIu64
") reached, refusing further inhibitors.", m
->inhibitors_max
);
2549 if (asprintf(&id
, "%lu", ++m
->inhibit_counter
) < 0)
2552 } while (hashmap_get(m
->inhibitors
, id
));
2554 r
= manager_add_inhibitor(m
, id
, &i
);
2562 i
->why
= strdup(why
);
2563 i
->who
= strdup(who
);
2565 if (!i
->why
|| !i
->who
) {
2570 fifo_fd
= inhibitor_create_fifo(i
);
2578 return sd_bus_reply_method_return(message
, "h", fifo_fd
);
2587 const sd_bus_vtable manager_vtable
[] = {
2588 SD_BUS_VTABLE_START(0),
2590 SD_BUS_WRITABLE_PROPERTY("EnableWallMessages", "b", NULL
, NULL
, offsetof(Manager
, enable_wall_messages
), 0),
2591 SD_BUS_WRITABLE_PROPERTY("WallMessage", "s", NULL
, NULL
, offsetof(Manager
, wall_message
), 0),
2593 SD_BUS_PROPERTY("NAutoVTs", "u", NULL
, offsetof(Manager
, n_autovts
), SD_BUS_VTABLE_PROPERTY_CONST
),
2594 SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL
, offsetof(Manager
, kill_only_users
), SD_BUS_VTABLE_PROPERTY_CONST
),
2595 SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL
, offsetof(Manager
, kill_exclude_users
), SD_BUS_VTABLE_PROPERTY_CONST
),
2596 SD_BUS_PROPERTY("KillUserProcesses", "b", NULL
, offsetof(Manager
, kill_user_processes
), SD_BUS_VTABLE_PROPERTY_CONST
),
2597 SD_BUS_PROPERTY("RebootToFirmwareSetup", "b", property_get_reboot_to_firmware_setup
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
2598 SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
2599 SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
2600 SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
2601 SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
2602 SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
2603 SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL
, offsetof(Manager
, inhibit_delay_max
), SD_BUS_VTABLE_PROPERTY_CONST
),
2604 SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action
, offsetof(Manager
, handle_power_key
), SD_BUS_VTABLE_PROPERTY_CONST
),
2605 SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action
, offsetof(Manager
, handle_suspend_key
), SD_BUS_VTABLE_PROPERTY_CONST
),
2606 SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action
, offsetof(Manager
, handle_hibernate_key
), SD_BUS_VTABLE_PROPERTY_CONST
),
2607 SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action
, offsetof(Manager
, handle_lid_switch
), SD_BUS_VTABLE_PROPERTY_CONST
),
2608 SD_BUS_PROPERTY("HandleLidSwitchDocked", "s", property_get_handle_action
, offsetof(Manager
, handle_lid_switch_docked
), SD_BUS_VTABLE_PROPERTY_CONST
),
2609 SD_BUS_PROPERTY("HoldoffTimeoutUSec", "t", NULL
, offsetof(Manager
, holdoff_timeout_usec
), SD_BUS_VTABLE_PROPERTY_CONST
),
2610 SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action
, offsetof(Manager
, idle_action
), SD_BUS_VTABLE_PROPERTY_CONST
),
2611 SD_BUS_PROPERTY("IdleActionUSec", "t", NULL
, offsetof(Manager
, idle_action_usec
), SD_BUS_VTABLE_PROPERTY_CONST
),
2612 SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing
, 0, 0),
2613 SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing
, 0, 0),
2614 SD_BUS_PROPERTY("ScheduledShutdown", "(st)", property_get_scheduled_shutdown
, 0, 0),
2615 SD_BUS_PROPERTY("Docked", "b", property_get_docked
, 0, 0),
2616 SD_BUS_PROPERTY("RemoveIPC", "b", bus_property_get_bool
, offsetof(Manager
, remove_ipc
), SD_BUS_VTABLE_PROPERTY_CONST
),
2617 SD_BUS_PROPERTY("RuntimeDirectorySize", "t", bus_property_get_size
, offsetof(Manager
, runtime_dir_size
), SD_BUS_VTABLE_PROPERTY_CONST
),
2618 SD_BUS_PROPERTY("InhibitorsMax", "t", NULL
, offsetof(Manager
, inhibitors_max
), SD_BUS_VTABLE_PROPERTY_CONST
),
2619 SD_BUS_PROPERTY("NCurrentInhibitors", "t", property_get_current_inhibitors
, 0, 0),
2620 SD_BUS_PROPERTY("SessionsMax", "t", NULL
, offsetof(Manager
, sessions_max
), SD_BUS_VTABLE_PROPERTY_CONST
),
2621 SD_BUS_PROPERTY("NCurrentSessions", "t", property_get_current_sessions
, 0, 0),
2622 SD_BUS_PROPERTY("UserTasksMax", "t", NULL
, offsetof(Manager
, user_tasks_max
), SD_BUS_VTABLE_PROPERTY_CONST
),
2624 SD_BUS_METHOD("GetSession", "s", "o", method_get_session
, SD_BUS_VTABLE_UNPRIVILEGED
),
2625 SD_BUS_METHOD("GetSessionByPID", "u", "o", method_get_session_by_pid
, SD_BUS_VTABLE_UNPRIVILEGED
),
2626 SD_BUS_METHOD("GetUser", "u", "o", method_get_user
, SD_BUS_VTABLE_UNPRIVILEGED
),
2627 SD_BUS_METHOD("GetUserByPID", "u", "o", method_get_user_by_pid
, SD_BUS_VTABLE_UNPRIVILEGED
),
2628 SD_BUS_METHOD("GetSeat", "s", "o", method_get_seat
, SD_BUS_VTABLE_UNPRIVILEGED
),
2629 SD_BUS_METHOD("ListSessions", NULL
, "a(susso)", method_list_sessions
, SD_BUS_VTABLE_UNPRIVILEGED
),
2630 SD_BUS_METHOD("ListUsers", NULL
, "a(uso)", method_list_users
, SD_BUS_VTABLE_UNPRIVILEGED
),
2631 SD_BUS_METHOD("ListSeats", NULL
, "a(so)", method_list_seats
, SD_BUS_VTABLE_UNPRIVILEGED
),
2632 SD_BUS_METHOD("ListInhibitors", NULL
, "a(ssssuu)", method_list_inhibitors
, SD_BUS_VTABLE_UNPRIVILEGED
),
2633 SD_BUS_METHOD("CreateSession", "uusssssussbssa(sv)", "soshusub", method_create_session
, 0),
2634 SD_BUS_METHOD("ReleaseSession", "s", NULL
, method_release_session
, 0),
2635 SD_BUS_METHOD("ActivateSession", "s", NULL
, method_activate_session
, SD_BUS_VTABLE_UNPRIVILEGED
),
2636 SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL
, method_activate_session_on_seat
, SD_BUS_VTABLE_UNPRIVILEGED
),
2637 SD_BUS_METHOD("LockSession", "s", NULL
, method_lock_session
, SD_BUS_VTABLE_UNPRIVILEGED
),
2638 SD_BUS_METHOD("UnlockSession", "s", NULL
, method_lock_session
, SD_BUS_VTABLE_UNPRIVILEGED
),
2639 SD_BUS_METHOD("LockSessions", NULL
, NULL
, method_lock_sessions
, SD_BUS_VTABLE_UNPRIVILEGED
),
2640 SD_BUS_METHOD("UnlockSessions", NULL
, NULL
, method_lock_sessions
, SD_BUS_VTABLE_UNPRIVILEGED
),
2641 SD_BUS_METHOD("KillSession", "ssi", NULL
, method_kill_session
, SD_BUS_VTABLE_UNPRIVILEGED
),
2642 SD_BUS_METHOD("KillUser", "ui", NULL
, method_kill_user
, SD_BUS_VTABLE_UNPRIVILEGED
),
2643 SD_BUS_METHOD("TerminateSession", "s", NULL
, method_terminate_session
, SD_BUS_VTABLE_UNPRIVILEGED
),
2644 SD_BUS_METHOD("TerminateUser", "u", NULL
, method_terminate_user
, SD_BUS_VTABLE_UNPRIVILEGED
),
2645 SD_BUS_METHOD("TerminateSeat", "s", NULL
, method_terminate_seat
, SD_BUS_VTABLE_UNPRIVILEGED
),
2646 SD_BUS_METHOD("SetUserLinger", "ubb", NULL
, method_set_user_linger
, SD_BUS_VTABLE_UNPRIVILEGED
),
2647 SD_BUS_METHOD("AttachDevice", "ssb", NULL
, method_attach_device
, SD_BUS_VTABLE_UNPRIVILEGED
),
2648 SD_BUS_METHOD("FlushDevices", "b", NULL
, method_flush_devices
, SD_BUS_VTABLE_UNPRIVILEGED
),
2649 SD_BUS_METHOD("PowerOff", "b", NULL
, method_poweroff
, SD_BUS_VTABLE_UNPRIVILEGED
),
2650 SD_BUS_METHOD("Reboot", "b", NULL
, method_reboot
, SD_BUS_VTABLE_UNPRIVILEGED
),
2651 SD_BUS_METHOD("Halt", "b", NULL
, method_halt
, SD_BUS_VTABLE_UNPRIVILEGED
),
2652 SD_BUS_METHOD("Suspend", "b", NULL
, method_suspend
, SD_BUS_VTABLE_UNPRIVILEGED
),
2653 SD_BUS_METHOD("Hibernate", "b", NULL
, method_hibernate
, SD_BUS_VTABLE_UNPRIVILEGED
),
2654 SD_BUS_METHOD("HybridSleep", "b", NULL
, method_hybrid_sleep
, SD_BUS_VTABLE_UNPRIVILEGED
),
2655 SD_BUS_METHOD("CanPowerOff", NULL
, "s", method_can_poweroff
, SD_BUS_VTABLE_UNPRIVILEGED
),
2656 SD_BUS_METHOD("CanReboot", NULL
, "s", method_can_reboot
, SD_BUS_VTABLE_UNPRIVILEGED
),
2657 SD_BUS_METHOD("CanHalt", NULL
, "s", method_can_halt
, SD_BUS_VTABLE_UNPRIVILEGED
),
2658 SD_BUS_METHOD("CanSuspend", NULL
, "s", method_can_suspend
, SD_BUS_VTABLE_UNPRIVILEGED
),
2659 SD_BUS_METHOD("CanHibernate", NULL
, "s", method_can_hibernate
, SD_BUS_VTABLE_UNPRIVILEGED
),
2660 SD_BUS_METHOD("CanHybridSleep", NULL
, "s", method_can_hybrid_sleep
, SD_BUS_VTABLE_UNPRIVILEGED
),
2661 SD_BUS_METHOD("ScheduleShutdown", "st", NULL
, method_schedule_shutdown
, SD_BUS_VTABLE_UNPRIVILEGED
),
2662 SD_BUS_METHOD("CancelScheduledShutdown", NULL
, "b", method_cancel_scheduled_shutdown
, SD_BUS_VTABLE_UNPRIVILEGED
),
2663 SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit
, SD_BUS_VTABLE_UNPRIVILEGED
),
2664 SD_BUS_METHOD("CanRebootToFirmwareSetup", NULL
, "s", method_can_reboot_to_firmware_setup
, SD_BUS_VTABLE_UNPRIVILEGED
),
2665 SD_BUS_METHOD("SetRebootToFirmwareSetup", "b", NULL
, method_set_reboot_to_firmware_setup
, SD_BUS_VTABLE_UNPRIVILEGED
),
2666 SD_BUS_METHOD("SetWallMessage", "sb", NULL
, method_set_wall_message
, SD_BUS_VTABLE_UNPRIVILEGED
),
2668 SD_BUS_SIGNAL("SessionNew", "so", 0),
2669 SD_BUS_SIGNAL("SessionRemoved", "so", 0),
2670 SD_BUS_SIGNAL("UserNew", "uo", 0),
2671 SD_BUS_SIGNAL("UserRemoved", "uo", 0),
2672 SD_BUS_SIGNAL("SeatNew", "so", 0),
2673 SD_BUS_SIGNAL("SeatRemoved", "so", 0),
2674 SD_BUS_SIGNAL("PrepareForShutdown", "b", 0),
2675 SD_BUS_SIGNAL("PrepareForSleep", "b", 0),
2680 static int session_jobs_reply(Session
*s
, const char *unit
, const char *result
) {
2689 if (streq(result
, "done"))
2690 r
= session_send_create_reply(s
, NULL
);
2692 _cleanup_(sd_bus_error_free
) sd_bus_error e
= SD_BUS_ERROR_NULL
;
2694 sd_bus_error_setf(&e
, BUS_ERROR_JOB_FAILED
, "Start job for unit %s failed with '%s'", unit
, result
);
2695 r
= session_send_create_reply(s
, &e
);
2701 int match_job_removed(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2702 const char *path
, *result
, *unit
;
2703 Manager
*m
= userdata
;
2712 r
= sd_bus_message_read(message
, "uoss", &id
, &path
, &unit
, &result
);
2714 bus_log_parse_error(r
);
2718 if (m
->action_job
&& streq(m
->action_job
, path
)) {
2719 log_info("Operation '%s' finished.", inhibit_what_to_string(m
->action_what
));
2721 /* Tell people that they now may take a lock again */
2722 send_prepare_for(m
, m
->action_what
, false);
2724 m
->action_job
= mfree(m
->action_job
);
2725 m
->action_unit
= NULL
;
2730 session
= hashmap_get(m
->session_units
, unit
);
2731 if (session
&& streq_ptr(path
, session
->scope_job
)) {
2732 session
->scope_job
= mfree(session
->scope_job
);
2733 session_jobs_reply(session
, unit
, result
);
2735 session_save(session
);
2736 user_save(session
->user
);
2737 session_add_to_gc_queue(session
);
2740 user
= hashmap_get(m
->user_units
, unit
);
2742 (streq_ptr(path
, user
->service_job
) ||
2743 streq_ptr(path
, user
->slice_job
))) {
2745 if (streq_ptr(path
, user
->service_job
))
2746 user
->service_job
= mfree(user
->service_job
);
2748 if (streq_ptr(path
, user
->slice_job
))
2749 user
->slice_job
= mfree(user
->slice_job
);
2751 LIST_FOREACH(sessions_by_user
, session
, user
->sessions
)
2752 session_jobs_reply(session
, unit
, result
);
2755 user_add_to_gc_queue(user
);
2761 int match_unit_removed(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2762 const char *path
, *unit
;
2763 Manager
*m
= userdata
;
2771 r
= sd_bus_message_read(message
, "so", &unit
, &path
);
2773 bus_log_parse_error(r
);
2777 session
= hashmap_get(m
->session_units
, unit
);
2779 session_add_to_gc_queue(session
);
2781 user
= hashmap_get(m
->user_units
, unit
);
2783 user_add_to_gc_queue(user
);
2788 int match_properties_changed(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2789 _cleanup_free_
char *unit
= NULL
;
2790 Manager
*m
= userdata
;
2799 path
= sd_bus_message_get_path(message
);
2803 r
= unit_name_from_dbus_path(path
, &unit
);
2804 if (r
== -EINVAL
) /* not a unit */
2811 session
= hashmap_get(m
->session_units
, unit
);
2813 session_add_to_gc_queue(session
);
2815 user
= hashmap_get(m
->user_units
, unit
);
2817 user_add_to_gc_queue(user
);
2822 int match_reloading(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2823 Manager
*m
= userdata
;
2831 r
= sd_bus_message_read(message
, "b", &b
);
2833 bus_log_parse_error(r
);
2840 /* systemd finished reloading, let's recheck all our sessions */
2841 log_debug("System manager has been reloaded, rechecking sessions...");
2843 HASHMAP_FOREACH(session
, m
->sessions
, i
)
2844 session_add_to_gc_queue(session
);
2849 int manager_send_changed(Manager
*manager
, const char *property
, ...) {
2854 l
= strv_from_stdarg_alloca(property
);
2856 return sd_bus_emit_properties_changed_strv(
2858 "/org/freedesktop/login1",
2859 "org.freedesktop.login1.Manager",
2863 static int strdup_job(sd_bus_message
*reply
, char **job
) {
2868 r
= sd_bus_message_read(reply
, "o", &j
);
2880 int manager_start_slice(
2883 const char *description
,
2887 sd_bus_error
*error
,
2890 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*m
= NULL
, *reply
= NULL
;
2897 r
= sd_bus_message_new_method_call(
2900 "org.freedesktop.systemd1",
2901 "/org/freedesktop/systemd1",
2902 "org.freedesktop.systemd1.Manager",
2903 "StartTransientUnit");
2907 r
= sd_bus_message_append(m
, "ss", strempty(slice
), "fail");
2911 r
= sd_bus_message_open_container(m
, 'a', "(sv)");
2915 if (!isempty(description
)) {
2916 r
= sd_bus_message_append(m
, "(sv)", "Description", "s", description
);
2921 if (!isempty(after
)) {
2922 r
= sd_bus_message_append(m
, "(sv)", "After", "as", 1, after
);
2927 if (!isempty(after2
)) {
2928 r
= sd_bus_message_append(m
, "(sv)", "After", "as", 1, after2
);
2933 r
= sd_bus_message_append(m
, "(sv)", "TasksMax", "t", tasks_max
);
2937 r
= sd_bus_message_close_container(m
);
2941 r
= sd_bus_message_append(m
, "a(sa(sv))", 0);
2945 r
= sd_bus_call(manager
->bus
, m
, 0, error
, &reply
);
2949 return strdup_job(reply
, job
);
2952 int manager_start_scope(
2957 const char *description
,
2961 sd_bus_error
*error
,
2964 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*m
= NULL
, *reply
= NULL
;
2972 r
= sd_bus_message_new_method_call(
2975 "org.freedesktop.systemd1",
2976 "/org/freedesktop/systemd1",
2977 "org.freedesktop.systemd1.Manager",
2978 "StartTransientUnit");
2982 r
= sd_bus_message_append(m
, "ss", strempty(scope
), "fail");
2986 r
= sd_bus_message_open_container(m
, 'a', "(sv)");
2990 if (!isempty(slice
)) {
2991 r
= sd_bus_message_append(m
, "(sv)", "Slice", "s", slice
);
2996 if (!isempty(description
)) {
2997 r
= sd_bus_message_append(m
, "(sv)", "Description", "s", description
);
3002 if (!isempty(after
)) {
3003 r
= sd_bus_message_append(m
, "(sv)", "After", "as", 1, after
);
3008 if (!isempty(after2
)) {
3009 r
= sd_bus_message_append(m
, "(sv)", "After", "as", 1, after2
);
3014 /* cgroup empty notification is not available in containers
3015 * currently. To make this less problematic, let's shorten the
3016 * stop timeout for sessions, so that we don't wait
3019 /* Make sure that the session shells are terminated with
3020 * SIGHUP since bash and friends tend to ignore SIGTERM */
3021 r
= sd_bus_message_append(m
, "(sv)", "SendSIGHUP", "b", true);
3025 r
= sd_bus_message_append(m
, "(sv)", "PIDs", "au", 1, pid
);
3029 r
= sd_bus_message_append(m
, "(sv)", "TasksMax", "t", tasks_max
);
3033 r
= sd_bus_message_close_container(m
);
3037 r
= sd_bus_message_append(m
, "a(sa(sv))", 0);
3041 r
= sd_bus_call(manager
->bus
, m
, 0, error
, &reply
);
3045 return strdup_job(reply
, job
);
3048 int manager_start_unit(Manager
*manager
, const char *unit
, sd_bus_error
*error
, char **job
) {
3049 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
3056 r
= sd_bus_call_method(
3058 "org.freedesktop.systemd1",
3059 "/org/freedesktop/systemd1",
3060 "org.freedesktop.systemd1.Manager",
3064 "ss", unit
, "replace");
3068 return strdup_job(reply
, job
);
3071 int manager_stop_unit(Manager
*manager
, const char *unit
, sd_bus_error
*error
, char **job
) {
3072 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
3079 r
= sd_bus_call_method(
3081 "org.freedesktop.systemd1",
3082 "/org/freedesktop/systemd1",
3083 "org.freedesktop.systemd1.Manager",
3087 "ss", unit
, "fail");
3089 if (sd_bus_error_has_name(error
, BUS_ERROR_NO_SUCH_UNIT
) ||
3090 sd_bus_error_has_name(error
, BUS_ERROR_LOAD_FAILED
)) {
3093 sd_bus_error_free(error
);
3100 return strdup_job(reply
, job
);
3103 int manager_abandon_scope(Manager
*manager
, const char *scope
, sd_bus_error
*error
) {
3104 _cleanup_free_
char *path
= NULL
;
3110 path
= unit_dbus_path_from_name(scope
);
3114 r
= sd_bus_call_method(
3116 "org.freedesktop.systemd1",
3118 "org.freedesktop.systemd1.Scope",
3124 if (sd_bus_error_has_name(error
, BUS_ERROR_NO_SUCH_UNIT
) ||
3125 sd_bus_error_has_name(error
, BUS_ERROR_LOAD_FAILED
) ||
3126 sd_bus_error_has_name(error
, BUS_ERROR_SCOPE_NOT_RUNNING
)) {
3127 sd_bus_error_free(error
);
3137 int manager_kill_unit(Manager
*manager
, const char *unit
, KillWho who
, int signo
, sd_bus_error
*error
) {
3141 return sd_bus_call_method(
3143 "org.freedesktop.systemd1",
3144 "/org/freedesktop/systemd1",
3145 "org.freedesktop.systemd1.Manager",
3149 "ssi", unit
, who
== KILL_LEADER
? "main" : "all", signo
);
3152 int manager_unit_is_active(Manager
*manager
, const char *unit
) {
3153 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
3154 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
3155 _cleanup_free_
char *path
= NULL
;
3162 path
= unit_dbus_path_from_name(unit
);
3166 r
= sd_bus_get_property(
3168 "org.freedesktop.systemd1",
3170 "org.freedesktop.systemd1.Unit",
3176 /* systemd might have droppped off momentarily, let's
3177 * not make this an error */
3178 if (sd_bus_error_has_name(&error
, SD_BUS_ERROR_NO_REPLY
) ||
3179 sd_bus_error_has_name(&error
, SD_BUS_ERROR_DISCONNECTED
))
3182 /* If the unit is already unloaded then it's not
3184 if (sd_bus_error_has_name(&error
, BUS_ERROR_NO_SUCH_UNIT
) ||
3185 sd_bus_error_has_name(&error
, BUS_ERROR_LOAD_FAILED
))
3191 r
= sd_bus_message_read(reply
, "s", &state
);
3195 return !streq(state
, "inactive") && !streq(state
, "failed");
3198 int manager_job_is_active(Manager
*manager
, const char *path
) {
3199 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
3200 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
3206 r
= sd_bus_get_property(
3208 "org.freedesktop.systemd1",
3210 "org.freedesktop.systemd1.Job",
3216 if (sd_bus_error_has_name(&error
, SD_BUS_ERROR_NO_REPLY
) ||
3217 sd_bus_error_has_name(&error
, SD_BUS_ERROR_DISCONNECTED
))
3220 if (sd_bus_error_has_name(&error
, SD_BUS_ERROR_UNKNOWN_OBJECT
))
3226 /* We don't actually care about the state really. The fact
3227 * that we could read the job state is enough for us */