1 /* SPDX-License-Identifier: LGPL-2.1+ */
3 This file is part of systemd.
5 Copyright 2011 Lennart Poettering
13 #include "sd-messages.h"
15 #include "alloc-util.h"
16 #include "audit-util.h"
17 #include "bus-common-errors.h"
18 #include "bus-error.h"
19 #include "bus-unit-util.h"
21 #include "dirent-util.h"
25 #include "fileio-label.h"
26 #include "format-util.h"
30 #include "path-util.h"
31 #include "process-util.h"
32 #include "cgroup-util.h"
33 #include "selinux-util.h"
34 #include "sleep-config.h"
37 #include "terminal-util.h"
38 #include "udev-util.h"
39 #include "unit-name.h"
40 #include "user-util.h"
41 #include "utmp-wtmp.h"
43 static int get_sender_session(Manager
*m
, sd_bus_message
*message
, sd_bus_error
*error
, Session
**ret
) {
45 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
50 /* Get client login session. This is not what you are looking for these days,
51 * as apps may instead belong to a user service unit. This includes terminal
52 * emulators and hence command-line apps. */
53 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_SESSION
|SD_BUS_CREDS_AUGMENT
, &creds
);
57 r
= sd_bus_creds_get_session(creds
, &name
);
63 session
= hashmap_get(m
->sessions
, name
);
71 return sd_bus_error_setf(error
, BUS_ERROR_NO_SESSION_FOR_PID
,
72 "Caller does not belong to any known session");
75 int manager_get_session_from_creds(Manager
*m
, sd_bus_message
*message
, const char *name
, sd_bus_error
*error
, Session
**ret
) {
83 return get_sender_session(m
, message
, error
, ret
);
85 session
= hashmap_get(m
->sessions
, name
);
87 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_SESSION
, "No session '%s' known", name
);
93 static int get_sender_user(Manager
*m
, sd_bus_message
*message
, sd_bus_error
*error
, User
**ret
) {
95 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
100 /* Note that we get the owner UID of the session, not the actual client UID here! */
101 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_OWNER_UID
|SD_BUS_CREDS_AUGMENT
, &creds
);
105 r
= sd_bus_creds_get_owner_uid(creds
, &uid
);
111 user
= hashmap_get(m
->users
, UID_TO_PTR(uid
));
119 return sd_bus_error_setf(error
, BUS_ERROR_NO_USER_FOR_PID
, "Caller does not belong to any logged in user or lingering user");
122 int manager_get_user_from_creds(Manager
*m
, sd_bus_message
*message
, uid_t uid
, sd_bus_error
*error
, User
**ret
) {
129 if (!uid_is_valid(uid
))
130 return get_sender_user(m
, message
, error
, ret
);
132 user
= hashmap_get(m
->users
, UID_TO_PTR(uid
));
134 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_USER
, "User ID "UID_FMT
" is not logged in or lingering", uid
);
140 int manager_get_seat_from_creds(Manager
*m
, sd_bus_message
*message
, const char *name
, sd_bus_error
*error
, Seat
**ret
) {
151 r
= manager_get_session_from_creds(m
, message
, NULL
, error
, &session
);
155 seat
= session
->seat
;
157 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_SEAT
, "Session has no seat.");
159 seat
= hashmap_get(m
->seats
, name
);
161 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_SEAT
, "No seat '%s' known", name
);
168 static int property_get_idle_hint(
171 const char *interface
,
172 const char *property
,
173 sd_bus_message
*reply
,
175 sd_bus_error
*error
) {
177 Manager
*m
= userdata
;
183 return sd_bus_message_append(reply
, "b", manager_get_idle_hint(m
, NULL
) > 0);
186 static int property_get_idle_since_hint(
189 const char *interface
,
190 const char *property
,
191 sd_bus_message
*reply
,
193 sd_bus_error
*error
) {
195 Manager
*m
= userdata
;
196 dual_timestamp t
= DUAL_TIMESTAMP_NULL
;
202 manager_get_idle_hint(m
, &t
);
204 return sd_bus_message_append(reply
, "t", streq(property
, "IdleSinceHint") ? t
.realtime
: t
.monotonic
);
207 static int property_get_inhibited(
210 const char *interface
,
211 const char *property
,
212 sd_bus_message
*reply
,
214 sd_bus_error
*error
) {
216 Manager
*m
= userdata
;
223 w
= manager_inhibit_what(m
, streq(property
, "BlockInhibited") ? INHIBIT_BLOCK
: INHIBIT_DELAY
);
225 return sd_bus_message_append(reply
, "s", inhibit_what_to_string(w
));
228 static int property_get_preparing(
231 const char *interface
,
232 const char *property
,
233 sd_bus_message
*reply
,
235 sd_bus_error
*error
) {
237 Manager
*m
= userdata
;
244 if (streq(property
, "PreparingForShutdown"))
245 b
= !!(m
->action_what
& INHIBIT_SHUTDOWN
);
247 b
= !!(m
->action_what
& INHIBIT_SLEEP
);
249 return sd_bus_message_append(reply
, "b", b
);
252 static int property_get_scheduled_shutdown(
255 const char *interface
,
256 const char *property
,
257 sd_bus_message
*reply
,
259 sd_bus_error
*error
) {
261 Manager
*m
= userdata
;
268 r
= sd_bus_message_open_container(reply
, 'r', "st");
272 r
= sd_bus_message_append(reply
, "st", m
->scheduled_shutdown_type
, m
->scheduled_shutdown_timeout
);
276 return sd_bus_message_close_container(reply
);
279 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_handle_action
, handle_action
, HandleAction
);
281 static int property_get_docked(
284 const char *interface
,
285 const char *property
,
286 sd_bus_message
*reply
,
288 sd_bus_error
*error
) {
290 Manager
*m
= userdata
;
296 return sd_bus_message_append(reply
, "b", manager_is_docked_or_external_displays(m
));
299 static int property_get_current_sessions(
302 const char *interface
,
303 const char *property
,
304 sd_bus_message
*reply
,
306 sd_bus_error
*error
) {
308 Manager
*m
= userdata
;
314 return sd_bus_message_append(reply
, "t", (uint64_t) hashmap_size(m
->sessions
));
317 static int property_get_current_inhibitors(
320 const char *interface
,
321 const char *property
,
322 sd_bus_message
*reply
,
324 sd_bus_error
*error
) {
326 Manager
*m
= userdata
;
332 return sd_bus_message_append(reply
, "t", (uint64_t) hashmap_size(m
->inhibitors
));
335 static int method_get_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
336 _cleanup_free_
char *p
= NULL
;
337 Manager
*m
= userdata
;
345 r
= sd_bus_message_read(message
, "s", &name
);
349 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
353 p
= session_bus_path(session
);
357 return sd_bus_reply_method_return(message
, "o", p
);
360 /* Get login session of a process. This is not what you are looking for these days,
361 * as apps may instead belong to a user service unit. This includes terminal
362 * emulators and hence command-line apps. */
363 static int method_get_session_by_pid(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
364 _cleanup_free_
char *p
= NULL
;
365 Session
*session
= NULL
;
366 Manager
*m
= userdata
;
373 assert_cc(sizeof(pid_t
) == sizeof(uint32_t));
375 r
= sd_bus_message_read(message
, "u", &pid
);
382 r
= manager_get_session_from_creds(m
, message
, NULL
, error
, &session
);
386 r
= manager_get_session_by_pid(m
, pid
, &session
);
391 return sd_bus_error_setf(error
, BUS_ERROR_NO_SESSION_FOR_PID
, "PID "PID_FMT
" does not belong to any known session", pid
);
394 p
= session_bus_path(session
);
398 return sd_bus_reply_method_return(message
, "o", p
);
401 static int method_get_user(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
402 _cleanup_free_
char *p
= NULL
;
403 Manager
*m
= userdata
;
411 r
= sd_bus_message_read(message
, "u", &uid
);
415 r
= manager_get_user_from_creds(m
, message
, uid
, error
, &user
);
419 p
= user_bus_path(user
);
423 return sd_bus_reply_method_return(message
, "o", p
);
426 static int method_get_user_by_pid(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
427 _cleanup_free_
char *p
= NULL
;
428 Manager
*m
= userdata
;
436 assert_cc(sizeof(pid_t
) == sizeof(uint32_t));
438 r
= sd_bus_message_read(message
, "u", &pid
);
445 r
= manager_get_user_from_creds(m
, message
, UID_INVALID
, error
, &user
);
449 r
= manager_get_user_by_pid(m
, pid
, &user
);
453 return sd_bus_error_setf(error
, BUS_ERROR_NO_USER_FOR_PID
,
454 "PID "PID_FMT
" does not belong to any logged in user or lingering user",
458 p
= user_bus_path(user
);
462 return sd_bus_reply_method_return(message
, "o", p
);
465 static int method_get_seat(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
466 _cleanup_free_
char *p
= NULL
;
467 Manager
*m
= userdata
;
475 r
= sd_bus_message_read(message
, "s", &name
);
479 r
= manager_get_seat_from_creds(m
, message
, name
, error
, &seat
);
483 p
= seat_bus_path(seat
);
487 return sd_bus_reply_method_return(message
, "o", p
);
490 static int method_list_sessions(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
491 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
492 Manager
*m
= userdata
;
500 r
= sd_bus_message_new_method_return(message
, &reply
);
504 r
= sd_bus_message_open_container(reply
, 'a', "(susso)");
508 HASHMAP_FOREACH(session
, m
->sessions
, i
) {
509 _cleanup_free_
char *p
= NULL
;
511 p
= session_bus_path(session
);
515 r
= sd_bus_message_append(reply
, "(susso)",
517 (uint32_t) session
->user
->uid
,
519 session
->seat
? session
->seat
->id
: "",
525 r
= sd_bus_message_close_container(reply
);
529 return sd_bus_send(NULL
, reply
, NULL
);
532 static int method_list_users(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
533 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
534 Manager
*m
= userdata
;
542 r
= sd_bus_message_new_method_return(message
, &reply
);
546 r
= sd_bus_message_open_container(reply
, 'a', "(uso)");
550 HASHMAP_FOREACH(user
, m
->users
, i
) {
551 _cleanup_free_
char *p
= NULL
;
553 p
= user_bus_path(user
);
557 r
= sd_bus_message_append(reply
, "(uso)",
558 (uint32_t) user
->uid
,
565 r
= sd_bus_message_close_container(reply
);
569 return sd_bus_send(NULL
, reply
, NULL
);
572 static int method_list_seats(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
573 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
574 Manager
*m
= userdata
;
582 r
= sd_bus_message_new_method_return(message
, &reply
);
586 r
= sd_bus_message_open_container(reply
, 'a', "(so)");
590 HASHMAP_FOREACH(seat
, m
->seats
, i
) {
591 _cleanup_free_
char *p
= NULL
;
593 p
= seat_bus_path(seat
);
597 r
= sd_bus_message_append(reply
, "(so)", seat
->id
, p
);
602 r
= sd_bus_message_close_container(reply
);
606 return sd_bus_send(NULL
, reply
, NULL
);
609 static int method_list_inhibitors(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
610 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
611 Manager
*m
= userdata
;
612 Inhibitor
*inhibitor
;
619 r
= sd_bus_message_new_method_return(message
, &reply
);
623 r
= sd_bus_message_open_container(reply
, 'a', "(ssssuu)");
627 HASHMAP_FOREACH(inhibitor
, m
->inhibitors
, i
) {
629 r
= sd_bus_message_append(reply
, "(ssssuu)",
630 strempty(inhibit_what_to_string(inhibitor
->what
)),
631 strempty(inhibitor
->who
),
632 strempty(inhibitor
->why
),
633 strempty(inhibit_mode_to_string(inhibitor
->mode
)),
634 (uint32_t) inhibitor
->uid
,
635 (uint32_t) inhibitor
->pid
);
640 r
= sd_bus_message_close_container(reply
);
644 return sd_bus_send(NULL
, reply
, NULL
);
647 static int method_create_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
648 const char *service
, *type
, *class, *cseat
, *tty
, *display
, *remote_user
, *remote_host
, *desktop
;
649 _cleanup_free_
char *id
= NULL
;
650 Session
*session
= NULL
;
651 uint32_t audit_id
= 0;
652 Manager
*m
= userdata
;
666 assert_cc(sizeof(pid_t
) == sizeof(uint32_t));
667 assert_cc(sizeof(uid_t
) == sizeof(uint32_t));
669 r
= sd_bus_message_read(message
, "uusssssussbss", &uid
, &leader
, &service
, &type
, &class, &desktop
, &cseat
, &vtnr
, &tty
, &display
, &remote
, &remote_user
, &remote_host
);
673 if (!uid_is_valid(uid
))
674 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid UID");
675 if (leader
< 0 || leader
== 1 || leader
== getpid_cached())
676 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid leader PID");
679 t
= _SESSION_TYPE_INVALID
;
681 t
= session_type_from_string(type
);
683 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid session type %s", type
);
687 c
= _SESSION_CLASS_INVALID
;
689 c
= session_class_from_string(class);
691 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid session class %s", class);
694 if (isempty(desktop
))
697 if (!string_is_safe(desktop
))
698 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid desktop string %s", desktop
);
704 seat
= hashmap_get(m
->seats
, cseat
);
706 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_SEAT
, "No seat '%s' known", cseat
);
709 if (tty_is_vc(tty
)) {
714 else if (seat
!= m
->seat0
)
715 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
);
717 v
= vtnr_from_tty(tty
);
719 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Cannot determine VT number from virtual console TTY %s", tty
);
723 else if (vtnr
!= (uint32_t) v
)
724 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Specified TTY and VT number do not match");
726 } else if (tty_is_console(tty
)) {
730 else if (seat
!= m
->seat0
)
731 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Console TTY specified but seat is not seat0");
734 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Console TTY specified but VT number is not 0");
738 if (seat_has_vts(seat
)) {
739 if (vtnr
<= 0 || vtnr
> 63)
740 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "VT number out of range");
743 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Seat has no VTs but VT number not 0");
747 if (t
== _SESSION_TYPE_INVALID
) {
748 if (!isempty(display
))
750 else if (!isempty(tty
))
753 t
= SESSION_UNSPECIFIED
;
756 if (c
== _SESSION_CLASS_INVALID
) {
757 if (t
== SESSION_UNSPECIFIED
)
758 c
= SESSION_BACKGROUND
;
764 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
766 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_PID
, &creds
);
770 r
= sd_bus_creds_get_pid(creds
, (pid_t
*) &leader
);
775 /* Check if we are already in a logind session. Or if we are in user@.service which is a special PAM session
776 * that avoids creating a logind session. */
777 r
= manager_get_user_by_pid(m
, leader
, NULL
);
781 return sd_bus_error_setf(error
, BUS_ERROR_SESSION_BUSY
, "Already running in a session or user slice");
784 * Old gdm and lightdm start the user-session on the same VT as
785 * the greeter session. But they destroy the greeter session
786 * after the user-session and want the user-session to take
787 * over the VT. We need to support this for
788 * backwards-compatibility, so make sure we allow new sessions
789 * on a VT that a greeter is running on. Furthermore, to allow
790 * re-logins, we have to allow a greeter to take over a used VT for
791 * the exact same reasons.
793 if (c
!= SESSION_GREETER
&&
795 vtnr
< m
->seat0
->position_count
&&
796 m
->seat0
->positions
[vtnr
] &&
797 m
->seat0
->positions
[vtnr
]->class != SESSION_GREETER
)
798 return sd_bus_error_setf(error
, BUS_ERROR_SESSION_BUSY
, "Already occupied by a session");
800 if (hashmap_size(m
->sessions
) >= m
->sessions_max
)
801 return sd_bus_error_setf(error
, SD_BUS_ERROR_LIMITS_EXCEEDED
, "Maximum number of sessions (%" PRIu64
") reached, refusing further sessions.", m
->sessions_max
);
803 (void) audit_session_from_pid(leader
, &audit_id
);
804 if (audit_session_is_valid(audit_id
)) {
805 /* Keep our session IDs and the audit session IDs in sync */
807 if (asprintf(&id
, "%"PRIu32
, audit_id
) < 0)
810 /* Wut? There's already a session by this name and we
811 * didn't find it above? Weird, then let's not trust
812 * the audit data and let's better register a new
814 if (hashmap_get(m
->sessions
, id
)) {
815 log_warning("Existing logind session ID %s used by new audit session, ignoring.", id
);
816 audit_id
= AUDIT_SESSION_INVALID
;
825 if (asprintf(&id
, "c%lu", ++m
->session_counter
) < 0)
828 } while (hashmap_get(m
->sessions
, id
));
831 r
= manager_add_user_by_uid(m
, uid
, &user
);
835 r
= manager_add_session(m
, id
, &session
);
839 session_set_user(session
, user
);
841 session
->leader
= leader
;
842 session
->audit_id
= audit_id
;
845 session
->remote
= remote
;
846 session
->vtnr
= vtnr
;
849 session
->tty
= strdup(tty
);
856 if (!isempty(display
)) {
857 session
->display
= strdup(display
);
858 if (!session
->display
) {
864 if (!isempty(remote_user
)) {
865 session
->remote_user
= strdup(remote_user
);
866 if (!session
->remote_user
) {
872 if (!isempty(remote_host
)) {
873 session
->remote_host
= strdup(remote_host
);
874 if (!session
->remote_host
) {
880 if (!isempty(service
)) {
881 session
->service
= strdup(service
);
882 if (!session
->service
) {
888 if (!isempty(desktop
)) {
889 session
->desktop
= strdup(desktop
);
890 if (!session
->desktop
) {
897 r
= seat_attach_session(seat
, session
);
902 r
= sd_bus_message_enter_container(message
, 'a', "(sv)");
906 r
= session_start(session
, message
);
910 r
= sd_bus_message_exit_container(message
);
914 session
->create_message
= sd_bus_message_ref(message
);
916 /* Now, let's wait until the slice unit and stuff got created. We send the reply back from
917 * session_send_create_reply(). */
923 session_add_to_gc_queue(session
);
926 user_add_to_gc_queue(user
);
931 static int method_release_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
932 Manager
*m
= userdata
;
940 r
= sd_bus_message_read(message
, "s", &name
);
944 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
948 r
= session_release(session
);
952 return sd_bus_reply_method_return(message
, NULL
);
955 static int method_activate_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
956 Manager
*m
= userdata
;
964 r
= sd_bus_message_read(message
, "s", &name
);
968 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
972 return bus_session_method_activate(message
, session
, error
);
975 static int method_activate_session_on_seat(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
976 const char *session_name
, *seat_name
;
977 Manager
*m
= userdata
;
985 /* Same as ActivateSession() but refuses to work if
986 * the seat doesn't match */
988 r
= sd_bus_message_read(message
, "ss", &session_name
, &seat_name
);
992 r
= manager_get_session_from_creds(m
, message
, session_name
, error
, &session
);
996 r
= manager_get_seat_from_creds(m
, message
, seat_name
, error
, &seat
);
1000 if (session
->seat
!= seat
)
1001 return sd_bus_error_setf(error
, BUS_ERROR_SESSION_NOT_ON_SEAT
, "Session %s not on seat %s", session_name
, seat_name
);
1003 r
= session_activate(session
);
1007 return sd_bus_reply_method_return(message
, NULL
);
1010 static int method_lock_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1011 Manager
*m
= userdata
;
1019 r
= sd_bus_message_read(message
, "s", &name
);
1023 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
1027 return bus_session_method_lock(message
, session
, error
);
1030 static int method_lock_sessions(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1031 Manager
*m
= userdata
;
1037 r
= bus_verify_polkit_async(
1040 "org.freedesktop.login1.lock-sessions",
1044 &m
->polkit_registry
,
1049 return 1; /* Will call us back */
1051 r
= session_send_lock_all(m
, streq(sd_bus_message_get_member(message
), "LockSessions"));
1055 return sd_bus_reply_method_return(message
, NULL
);
1058 static int method_kill_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1060 Manager
*m
= userdata
;
1067 r
= sd_bus_message_read(message
, "s", &name
);
1071 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
1075 return bus_session_method_kill(message
, session
, error
);
1078 static int method_kill_user(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1079 Manager
*m
= userdata
;
1087 r
= sd_bus_message_read(message
, "u", &uid
);
1091 r
= manager_get_user_from_creds(m
, message
, uid
, error
, &user
);
1095 return bus_user_method_kill(message
, user
, error
);
1098 static int method_terminate_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1099 Manager
*m
= userdata
;
1107 r
= sd_bus_message_read(message
, "s", &name
);
1111 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
1115 return bus_session_method_terminate(message
, session
, error
);
1118 static int method_terminate_user(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1119 Manager
*m
= userdata
;
1127 r
= sd_bus_message_read(message
, "u", &uid
);
1131 r
= manager_get_user_from_creds(m
, message
, uid
, error
, &user
);
1135 return bus_user_method_terminate(message
, user
, error
);
1138 static int method_terminate_seat(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1139 Manager
*m
= userdata
;
1147 r
= sd_bus_message_read(message
, "s", &name
);
1151 r
= manager_get_seat_from_creds(m
, message
, name
, error
, &seat
);
1155 return bus_seat_method_terminate(message
, seat
, error
);
1158 static int method_set_user_linger(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1159 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
1160 _cleanup_free_
char *cc
= NULL
;
1161 Manager
*m
= userdata
;
1162 int r
, b
, interactive
;
1165 uint32_t uid
, auth_uid
;
1170 r
= sd_bus_message_read(message
, "ubb", &uid
, &b
, &interactive
);
1174 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_EUID
|
1175 SD_BUS_CREDS_OWNER_UID
|SD_BUS_CREDS_AUGMENT
, &creds
);
1179 if (!uid_is_valid(uid
)) {
1180 /* Note that we get the owner UID of the session or user unit,
1181 * not the actual client UID here! */
1182 r
= sd_bus_creds_get_owner_uid(creds
, &uid
);
1187 /* owner_uid is racy, so for authorization we must use euid */
1188 r
= sd_bus_creds_get_euid(creds
, &auth_uid
);
1195 return errno
> 0 ? -errno
: -ENOENT
;
1197 r
= bus_verify_polkit_async(
1200 uid
== auth_uid
? "org.freedesktop.login1.set-self-linger" :
1201 "org.freedesktop.login1.set-user-linger",
1205 &m
->polkit_registry
,
1210 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1212 mkdir_p_label("/var/lib/systemd", 0755);
1214 r
= mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0, MKDIR_WARN_MODE
);
1218 cc
= cescape(pw
->pw_name
);
1222 path
= strjoina("/var/lib/systemd/linger/", cc
);
1230 if (manager_add_user_by_uid(m
, uid
, &u
) >= 0)
1237 if (r
< 0 && errno
!= ENOENT
)
1240 u
= hashmap_get(m
->users
, UID_TO_PTR(uid
));
1242 user_add_to_gc_queue(u
);
1245 return sd_bus_reply_method_return(message
, NULL
);
1248 static int trigger_device(Manager
*m
, struct udev_device
*d
) {
1249 _cleanup_udev_enumerate_unref_
struct udev_enumerate
*e
= NULL
;
1250 struct udev_list_entry
*first
, *item
;
1255 e
= udev_enumerate_new(m
->udev
);
1260 r
= udev_enumerate_add_match_parent(e
, d
);
1265 r
= udev_enumerate_scan_devices(e
);
1269 first
= udev_enumerate_get_list_entry(e
);
1270 udev_list_entry_foreach(item
, first
) {
1271 _cleanup_free_
char *t
= NULL
;
1274 p
= udev_list_entry_get_name(item
);
1276 t
= strappend(p
, "/uevent");
1280 (void) write_string_file(t
, "change", 0);
1286 static int attach_device(Manager
*m
, const char *seat
, const char *sysfs
) {
1287 _cleanup_udev_device_unref_
struct udev_device
*d
= NULL
;
1288 _cleanup_free_
char *rule
= NULL
, *file
= NULL
;
1289 const char *id_for_seat
;
1296 d
= udev_device_new_from_syspath(m
->udev
, sysfs
);
1300 if (!udev_device_has_tag(d
, "seat"))
1303 id_for_seat
= udev_device_get_property_value(d
, "ID_FOR_SEAT");
1307 if (asprintf(&file
, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat
) < 0)
1310 if (asprintf(&rule
, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat
, seat
) < 0)
1313 mkdir_p_label("/etc/udev/rules.d", 0755);
1314 r
= write_string_file_atomic_label(file
, rule
);
1318 return trigger_device(m
, d
);
1321 static int flush_devices(Manager
*m
) {
1322 _cleanup_closedir_
DIR *d
;
1326 d
= opendir("/etc/udev/rules.d");
1328 if (errno
!= ENOENT
)
1329 log_warning_errno(errno
, "Failed to open /etc/udev/rules.d: %m");
1333 FOREACH_DIRENT_ALL(de
, d
, break) {
1334 if (!dirent_is_file(de
))
1337 if (!startswith(de
->d_name
, "72-seat-"))
1340 if (!endswith(de
->d_name
, ".rules"))
1343 if (unlinkat(dirfd(d
), de
->d_name
, 0) < 0)
1344 log_warning_errno(errno
, "Failed to unlink %s: %m", de
->d_name
);
1348 return trigger_device(m
, NULL
);
1351 static int method_attach_device(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1352 const char *sysfs
, *seat
;
1353 Manager
*m
= userdata
;
1359 r
= sd_bus_message_read(message
, "ssb", &seat
, &sysfs
, &interactive
);
1363 if (!path_startswith(sysfs
, "/sys"))
1364 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Path %s is not in /sys", sysfs
);
1366 if (!seat_name_is_valid(seat
))
1367 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Seat %s is not valid", seat
);
1369 r
= bus_verify_polkit_async(
1372 "org.freedesktop.login1.attach-device",
1376 &m
->polkit_registry
,
1381 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1383 r
= attach_device(m
, seat
, sysfs
);
1387 return sd_bus_reply_method_return(message
, NULL
);
1390 static int method_flush_devices(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1391 Manager
*m
= userdata
;
1397 r
= sd_bus_message_read(message
, "b", &interactive
);
1401 r
= bus_verify_polkit_async(
1404 "org.freedesktop.login1.flush-devices",
1408 &m
->polkit_registry
,
1413 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1415 r
= flush_devices(m
);
1419 return sd_bus_reply_method_return(message
, NULL
);
1422 static int have_multiple_sessions(
1431 /* Check for other users' sessions. Greeter sessions do not
1432 * count, and non-login sessions do not count either. */
1433 HASHMAP_FOREACH(session
, m
->sessions
, i
)
1434 if (session
->class == SESSION_USER
&&
1435 session
->user
->uid
!= uid
)
1441 static int bus_manager_log_shutdown(
1443 const char *unit_name
) {
1450 if (streq(unit_name
, SPECIAL_POWEROFF_TARGET
)) {
1451 p
= "MESSAGE=System is powering down";
1452 q
= "SHUTDOWN=power-off";
1453 } else if (streq(unit_name
, SPECIAL_REBOOT_TARGET
)) {
1454 p
= "MESSAGE=System is rebooting";
1455 q
= "SHUTDOWN=reboot";
1456 } else if (streq(unit_name
, SPECIAL_HALT_TARGET
)) {
1457 p
= "MESSAGE=System is halting";
1458 q
= "SHUTDOWN=halt";
1459 } else if (streq(unit_name
, SPECIAL_KEXEC_TARGET
)) {
1460 p
= "MESSAGE=System is rebooting with kexec";
1461 q
= "SHUTDOWN=kexec";
1463 p
= "MESSAGE=System is shutting down";
1467 if (isempty(m
->wall_message
))
1468 p
= strjoina(p
, ".");
1470 p
= strjoina(p
, " (", m
->wall_message
, ").");
1472 return log_struct(LOG_NOTICE
,
1473 "MESSAGE_ID=" SD_MESSAGE_SHUTDOWN_STR
,
1479 static int lid_switch_ignore_handler(sd_event_source
*e
, uint64_t usec
, void *userdata
) {
1480 Manager
*m
= userdata
;
1485 m
->lid_switch_ignore_event_source
= sd_event_source_unref(m
->lid_switch_ignore_event_source
);
1489 int manager_set_lid_switch_ignore(Manager
*m
, usec_t until
) {
1494 if (until
<= now(CLOCK_MONOTONIC
))
1497 /* We want to ignore the lid switch for a while after each
1498 * suspend, and after boot-up. Hence let's install a timer for
1499 * this. As long as the event source exists we ignore the lid
1502 if (m
->lid_switch_ignore_event_source
) {
1505 r
= sd_event_source_get_time(m
->lid_switch_ignore_event_source
, &u
);
1512 r
= sd_event_source_set_time(m
->lid_switch_ignore_event_source
, until
);
1514 r
= sd_event_add_time(
1516 &m
->lid_switch_ignore_event_source
,
1519 lid_switch_ignore_handler
, m
);
1524 static int send_prepare_for(Manager
*m
, InhibitWhat w
, bool _active
) {
1526 static const char * const signal_name
[_INHIBIT_WHAT_MAX
] = {
1527 [INHIBIT_SHUTDOWN
] = "PrepareForShutdown",
1528 [INHIBIT_SLEEP
] = "PrepareForSleep"
1531 int active
= _active
;
1535 assert(w
< _INHIBIT_WHAT_MAX
);
1536 assert(signal_name
[w
]);
1538 return sd_bus_emit_signal(m
->bus
,
1539 "/org/freedesktop/login1",
1540 "org.freedesktop.login1.Manager",
1546 static int execute_shutdown_or_sleep(
1549 const char *unit_name
,
1550 sd_bus_error
*error
) {
1552 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
1559 assert(w
< _INHIBIT_WHAT_MAX
);
1562 if (w
== INHIBIT_SHUTDOWN
)
1563 bus_manager_log_shutdown(m
, unit_name
);
1565 r
= sd_bus_call_method(
1567 "org.freedesktop.systemd1",
1568 "/org/freedesktop/systemd1",
1569 "org.freedesktop.systemd1.Manager",
1573 "ss", unit_name
, "replace-irreversibly");
1577 r
= sd_bus_message_read(reply
, "o", &p
);
1587 m
->action_unit
= unit_name
;
1588 free(m
->action_job
);
1592 /* Make sure the lid switch is ignored for a while */
1593 manager_set_lid_switch_ignore(m
, now(CLOCK_MONOTONIC
) + m
->holdoff_timeout_usec
);
1598 /* Tell people that they now may take a lock again */
1599 (void) send_prepare_for(m
, w
, false);
1604 int manager_dispatch_delayed(Manager
*manager
, bool timeout
) {
1606 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1607 Inhibitor
*offending
= NULL
;
1612 if (manager
->action_what
== 0 || manager
->action_job
)
1615 if (manager_is_inhibited(manager
, manager
->action_what
, INHIBIT_DELAY
, NULL
, false, false, 0, &offending
)) {
1616 _cleanup_free_
char *comm
= NULL
, *u
= NULL
;
1621 (void) get_process_comm(offending
->pid
, &comm
);
1622 u
= uid_to_name(offending
->uid
);
1624 log_notice("Delay lock is active (UID "UID_FMT
"/%s, PID "PID_FMT
"/%s) but inhibitor timeout is reached.",
1625 offending
->uid
, strna(u
),
1626 offending
->pid
, strna(comm
));
1629 /* Actually do the operation */
1630 r
= execute_shutdown_or_sleep(manager
, manager
->action_what
, manager
->action_unit
, &error
);
1632 log_warning("Error during inhibitor-delayed operation (already returned success to client): %s",
1633 bus_error_message(&error
, r
));
1635 manager
->action_unit
= NULL
;
1636 manager
->action_what
= 0;
1643 static int manager_inhibit_timeout_handler(
1648 Manager
*manager
= userdata
;
1652 assert(manager
->inhibit_timeout_source
== s
);
1654 r
= manager_dispatch_delayed(manager
, true);
1655 return (r
< 0) ? r
: 0;
1658 static int delay_shutdown_or_sleep(
1661 const char *unit_name
) {
1668 assert(w
< _INHIBIT_WHAT_MAX
);
1671 timeout_val
= now(CLOCK_MONOTONIC
) + m
->inhibit_delay_max
;
1673 if (m
->inhibit_timeout_source
) {
1674 r
= sd_event_source_set_time(m
->inhibit_timeout_source
, timeout_val
);
1676 return log_error_errno(r
, "sd_event_source_set_time() failed: %m");
1678 r
= sd_event_source_set_enabled(m
->inhibit_timeout_source
, SD_EVENT_ONESHOT
);
1680 return log_error_errno(r
, "sd_event_source_set_enabled() failed: %m");
1682 r
= sd_event_add_time(m
->event
, &m
->inhibit_timeout_source
, CLOCK_MONOTONIC
,
1683 timeout_val
, 0, manager_inhibit_timeout_handler
, m
);
1688 m
->action_unit
= unit_name
;
1694 int bus_manager_shutdown_or_sleep_now_or_later(
1696 const char *unit_name
,
1698 sd_bus_error
*error
) {
1700 _cleanup_free_
char *load_state
= NULL
;
1707 assert(w
<= _INHIBIT_WHAT_MAX
);
1708 assert(!m
->action_job
);
1710 r
= unit_load_state(m
->bus
, unit_name
, &load_state
);
1714 if (!streq(load_state
, "loaded")) {
1715 log_notice("Unit %s is %s, refusing operation.", unit_name
, load_state
);
1719 /* Tell everybody to prepare for shutdown/sleep */
1720 (void) send_prepare_for(m
, w
, true);
1723 m
->inhibit_delay_max
> 0 &&
1724 manager_is_inhibited(m
, w
, INHIBIT_DELAY
, NULL
, false, false, 0, NULL
);
1727 /* Shutdown is delayed, keep in mind what we
1728 * want to do, and start a timeout */
1729 r
= delay_shutdown_or_sleep(m
, w
, unit_name
);
1731 /* Shutdown is not delayed, execute it
1733 r
= execute_shutdown_or_sleep(m
, w
, unit_name
, error
);
1738 static int verify_shutdown_creds(
1740 sd_bus_message
*message
,
1744 const char *action_multiple_sessions
,
1745 const char *action_ignore_inhibit
,
1746 sd_bus_error
*error
) {
1748 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
1749 bool multiple_sessions
, blocked
;
1756 assert(w
<= _INHIBIT_WHAT_MAX
);
1758 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_EUID
, &creds
);
1762 r
= sd_bus_creds_get_euid(creds
, &uid
);
1766 r
= have_multiple_sessions(m
, uid
);
1770 multiple_sessions
= r
> 0;
1771 blocked
= manager_is_inhibited(m
, w
, INHIBIT_BLOCK
, NULL
, false, true, uid
, NULL
);
1773 if (multiple_sessions
&& action_multiple_sessions
) {
1774 r
= bus_verify_polkit_async(message
, CAP_SYS_BOOT
, action_multiple_sessions
, NULL
, interactive
, UID_INVALID
, &m
->polkit_registry
, error
);
1778 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1781 if (blocked
&& action_ignore_inhibit
) {
1782 r
= bus_verify_polkit_async(message
, CAP_SYS_BOOT
, action_ignore_inhibit
, NULL
, interactive
, UID_INVALID
, &m
->polkit_registry
, error
);
1786 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1789 if (!multiple_sessions
&& !blocked
&& action
) {
1790 r
= bus_verify_polkit_async(message
, CAP_SYS_BOOT
, action
, NULL
, interactive
, UID_INVALID
, &m
->polkit_registry
, error
);
1794 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1800 static int method_do_shutdown_or_sleep(
1802 sd_bus_message
*message
,
1803 const char *unit_name
,
1806 const char *action_multiple_sessions
,
1807 const char *action_ignore_inhibit
,
1808 const char *sleep_verb
,
1809 sd_bus_error
*error
) {
1817 assert(w
<= _INHIBIT_WHAT_MAX
);
1819 r
= sd_bus_message_read(message
, "b", &interactive
);
1823 /* Don't allow multiple jobs being executed at the same time */
1825 return sd_bus_error_setf(error
, BUS_ERROR_OPERATION_IN_PROGRESS
, "There's already a shutdown or sleep operation in progress");
1828 r
= can_sleep(sleep_verb
);
1830 return sd_bus_error_set(error
, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED
,
1831 "Not enough swap space for hibernation");
1833 return sd_bus_error_setf(error
, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED
,
1834 "Sleep verb \"%s\" not supported", sleep_verb
);
1839 r
= verify_shutdown_creds(m
, message
, w
, interactive
, action
, action_multiple_sessions
,
1840 action_ignore_inhibit
, error
);
1844 r
= bus_manager_shutdown_or_sleep_now_or_later(m
, unit_name
, w
, error
);
1848 return sd_bus_reply_method_return(message
, NULL
);
1851 static int method_poweroff(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1852 Manager
*m
= userdata
;
1854 return method_do_shutdown_or_sleep(
1856 SPECIAL_POWEROFF_TARGET
,
1858 "org.freedesktop.login1.power-off",
1859 "org.freedesktop.login1.power-off-multiple-sessions",
1860 "org.freedesktop.login1.power-off-ignore-inhibit",
1865 static int method_reboot(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1866 Manager
*m
= userdata
;
1868 return method_do_shutdown_or_sleep(
1870 SPECIAL_REBOOT_TARGET
,
1872 "org.freedesktop.login1.reboot",
1873 "org.freedesktop.login1.reboot-multiple-sessions",
1874 "org.freedesktop.login1.reboot-ignore-inhibit",
1879 static int method_halt(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1880 Manager
*m
= userdata
;
1882 return method_do_shutdown_or_sleep(
1884 SPECIAL_HALT_TARGET
,
1886 "org.freedesktop.login1.halt",
1887 "org.freedesktop.login1.halt-multiple-sessions",
1888 "org.freedesktop.login1.halt-ignore-inhibit",
1893 static int method_suspend(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1894 Manager
*m
= userdata
;
1896 return method_do_shutdown_or_sleep(
1898 SPECIAL_SUSPEND_TARGET
,
1900 "org.freedesktop.login1.suspend",
1901 "org.freedesktop.login1.suspend-multiple-sessions",
1902 "org.freedesktop.login1.suspend-ignore-inhibit",
1907 static int method_hibernate(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1908 Manager
*m
= userdata
;
1910 return method_do_shutdown_or_sleep(
1912 SPECIAL_HIBERNATE_TARGET
,
1914 "org.freedesktop.login1.hibernate",
1915 "org.freedesktop.login1.hibernate-multiple-sessions",
1916 "org.freedesktop.login1.hibernate-ignore-inhibit",
1921 static int method_hybrid_sleep(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1922 Manager
*m
= userdata
;
1924 return method_do_shutdown_or_sleep(
1926 SPECIAL_HYBRID_SLEEP_TARGET
,
1928 "org.freedesktop.login1.hibernate",
1929 "org.freedesktop.login1.hibernate-multiple-sessions",
1930 "org.freedesktop.login1.hibernate-ignore-inhibit",
1935 static int method_suspend_then_hibernate(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1936 Manager
*m
= userdata
;
1938 return method_do_shutdown_or_sleep(
1940 SPECIAL_SUSPEND_THEN_HIBERNATE_TARGET
,
1942 "org.freedesktop.login1.hibernate",
1943 "org.freedesktop.login1.hibernate-multiple-sessions",
1944 "org.freedesktop.login1.hibernate-ignore-inhibit",
1949 static int nologin_timeout_handler(
1954 Manager
*m
= userdata
;
1956 log_info("Creating /run/nologin, blocking further logins...");
1959 create_shutdown_run_nologin_or_warn() >= 0;
1964 static int update_schedule_file(Manager
*m
) {
1965 _cleanup_free_
char *temp_path
= NULL
;
1966 _cleanup_fclose_
FILE *f
= NULL
;
1971 r
= mkdir_safe_label("/run/systemd/shutdown", 0755, 0, 0, MKDIR_WARN_MODE
);
1973 return log_error_errno(r
, "Failed to create shutdown subdirectory: %m");
1975 r
= fopen_temporary("/run/systemd/shutdown/scheduled", &f
, &temp_path
);
1977 return log_error_errno(r
, "Failed to save information about scheduled shutdowns: %m");
1979 (void) fchmod(fileno(f
), 0644);
1985 m
->scheduled_shutdown_timeout
,
1986 m
->enable_wall_messages
,
1987 m
->scheduled_shutdown_type
);
1989 if (!isempty(m
->wall_message
)) {
1990 _cleanup_free_
char *t
;
1992 t
= cescape(m
->wall_message
);
1998 fprintf(f
, "WALL_MESSAGE=%s\n", t
);
2001 r
= fflush_and_check(f
);
2005 if (rename(temp_path
, "/run/systemd/shutdown/scheduled") < 0) {
2013 (void) unlink(temp_path
);
2014 (void) unlink("/run/systemd/shutdown/scheduled");
2016 return log_error_errno(r
, "Failed to write information about scheduled shutdowns: %m");
2019 static void reset_scheduled_shutdown(Manager
*m
) {
2022 m
->scheduled_shutdown_timeout_source
= sd_event_source_unref(m
->scheduled_shutdown_timeout_source
);
2023 m
->wall_message_timeout_source
= sd_event_source_unref(m
->wall_message_timeout_source
);
2024 m
->nologin_timeout_source
= sd_event_source_unref(m
->nologin_timeout_source
);
2026 m
->scheduled_shutdown_type
= mfree(m
->scheduled_shutdown_type
);
2027 m
->scheduled_shutdown_timeout
= 0;
2028 m
->shutdown_dry_run
= false;
2030 if (m
->unlink_nologin
) {
2031 (void) unlink_or_warn("/run/nologin");
2032 m
->unlink_nologin
= false;
2035 (void) unlink("/run/systemd/shutdown/scheduled");
2038 static int manager_scheduled_shutdown_handler(
2043 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
2044 Manager
*m
= userdata
;
2050 if (isempty(m
->scheduled_shutdown_type
))
2053 if (streq(m
->scheduled_shutdown_type
, "poweroff"))
2054 target
= SPECIAL_POWEROFF_TARGET
;
2055 else if (streq(m
->scheduled_shutdown_type
, "reboot"))
2056 target
= SPECIAL_REBOOT_TARGET
;
2057 else if (streq(m
->scheduled_shutdown_type
, "halt"))
2058 target
= SPECIAL_HALT_TARGET
;
2060 assert_not_reached("unexpected shutdown type");
2062 /* Don't allow multiple jobs being executed at the same time */
2063 if (m
->action_what
) {
2065 log_error("Scheduled shutdown to %s failed: shutdown or sleep operation already in progress", target
);
2069 if (m
->shutdown_dry_run
) {
2070 /* We do not process delay inhibitors here. Otherwise, we
2071 * would have to be considered "in progress" (like the check
2072 * above) for some seconds after our admin has seen the final
2075 bus_manager_log_shutdown(m
, target
);
2076 log_info("Running in dry run, suppressing action.");
2077 reset_scheduled_shutdown(m
);
2082 r
= bus_manager_shutdown_or_sleep_now_or_later(m
, target
, INHIBIT_SHUTDOWN
, &error
);
2084 log_error_errno(r
, "Scheduled shutdown to %s failed: %m", target
);
2091 reset_scheduled_shutdown(m
);
2095 static int method_schedule_shutdown(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2096 Manager
*m
= userdata
;
2097 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
2098 const char *action_multiple_sessions
= NULL
;
2099 const char *action_ignore_inhibit
= NULL
;
2100 const char *action
= NULL
;
2104 bool dry_run
= false;
2109 r
= sd_bus_message_read(message
, "st", &type
, &elapse
);
2113 if (startswith(type
, "dry-")) {
2118 if (streq(type
, "poweroff")) {
2119 action
= "org.freedesktop.login1.power-off";
2120 action_multiple_sessions
= "org.freedesktop.login1.power-off-multiple-sessions";
2121 action_ignore_inhibit
= "org.freedesktop.login1.power-off-ignore-inhibit";
2122 } else if (streq(type
, "reboot")) {
2123 action
= "org.freedesktop.login1.reboot";
2124 action_multiple_sessions
= "org.freedesktop.login1.reboot-multiple-sessions";
2125 action_ignore_inhibit
= "org.freedesktop.login1.reboot-ignore-inhibit";
2126 } else if (streq(type
, "halt")) {
2127 action
= "org.freedesktop.login1.halt";
2128 action_multiple_sessions
= "org.freedesktop.login1.halt-multiple-sessions";
2129 action_ignore_inhibit
= "org.freedesktop.login1.halt-ignore-inhibit";
2131 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Unsupported shutdown type");
2133 r
= verify_shutdown_creds(m
, message
, INHIBIT_SHUTDOWN
, false,
2134 action
, action_multiple_sessions
, action_ignore_inhibit
, error
);
2138 if (m
->scheduled_shutdown_timeout_source
) {
2139 r
= sd_event_source_set_time(m
->scheduled_shutdown_timeout_source
, elapse
);
2141 return log_error_errno(r
, "sd_event_source_set_time() failed: %m");
2143 r
= sd_event_source_set_enabled(m
->scheduled_shutdown_timeout_source
, SD_EVENT_ONESHOT
);
2145 return log_error_errno(r
, "sd_event_source_set_enabled() failed: %m");
2147 r
= sd_event_add_time(m
->event
, &m
->scheduled_shutdown_timeout_source
,
2148 CLOCK_REALTIME
, elapse
, 0, manager_scheduled_shutdown_handler
, m
);
2150 return log_error_errno(r
, "sd_event_add_time() failed: %m");
2153 r
= free_and_strdup(&m
->scheduled_shutdown_type
, type
);
2155 m
->scheduled_shutdown_timeout_source
= sd_event_source_unref(m
->scheduled_shutdown_timeout_source
);
2159 m
->shutdown_dry_run
= dry_run
;
2161 if (m
->nologin_timeout_source
) {
2162 r
= sd_event_source_set_time(m
->nologin_timeout_source
, elapse
);
2164 return log_error_errno(r
, "sd_event_source_set_time() failed: %m");
2166 r
= sd_event_source_set_enabled(m
->nologin_timeout_source
, SD_EVENT_ONESHOT
);
2168 return log_error_errno(r
, "sd_event_source_set_enabled() failed: %m");
2170 r
= sd_event_add_time(m
->event
, &m
->nologin_timeout_source
,
2171 CLOCK_REALTIME
, elapse
- 5 * USEC_PER_MINUTE
, 0, nologin_timeout_handler
, m
);
2173 return log_error_errno(r
, "sd_event_add_time() failed: %m");
2176 m
->scheduled_shutdown_timeout
= elapse
;
2178 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_AUGMENT
|SD_BUS_CREDS_TTY
|SD_BUS_CREDS_UID
, &creds
);
2180 const char *tty
= NULL
;
2182 (void) sd_bus_creds_get_uid(creds
, &m
->scheduled_shutdown_uid
);
2183 (void) sd_bus_creds_get_tty(creds
, &tty
);
2185 r
= free_and_strdup(&m
->scheduled_shutdown_tty
, tty
);
2187 m
->scheduled_shutdown_timeout_source
= sd_event_source_unref(m
->scheduled_shutdown_timeout_source
);
2192 r
= manager_setup_wall_message_timer(m
);
2196 r
= update_schedule_file(m
);
2200 return sd_bus_reply_method_return(message
, NULL
);
2203 static int method_cancel_scheduled_shutdown(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2204 Manager
*m
= userdata
;
2210 cancelled
= m
->scheduled_shutdown_type
!= NULL
;
2211 reset_scheduled_shutdown(m
);
2214 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
2215 const char *tty
= NULL
;
2219 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_AUGMENT
|SD_BUS_CREDS_TTY
|SD_BUS_CREDS_UID
, &creds
);
2221 (void) sd_bus_creds_get_uid(creds
, &uid
);
2222 (void) sd_bus_creds_get_tty(creds
, &tty
);
2225 utmp_wall("The system shutdown has been cancelled",
2226 uid_to_name(uid
), tty
, logind_wall_tty_filter
, m
);
2229 return sd_bus_reply_method_return(message
, "b", cancelled
);
2232 static int method_can_shutdown_or_sleep(
2234 sd_bus_message
*message
,
2237 const char *action_multiple_sessions
,
2238 const char *action_ignore_inhibit
,
2239 const char *sleep_verb
,
2240 sd_bus_error
*error
) {
2242 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
2243 HandleAction handle
;
2244 bool multiple_sessions
, challenge
, blocked
;
2245 const char *result
= NULL
;
2252 assert(w
<= _INHIBIT_WHAT_MAX
);
2254 assert(action_multiple_sessions
);
2255 assert(action_ignore_inhibit
);
2258 r
= can_sleep(sleep_verb
);
2259 if (IN_SET(r
, 0, -ENOSPC
))
2260 return sd_bus_reply_method_return(message
, "s", "na");
2265 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_EUID
, &creds
);
2269 r
= sd_bus_creds_get_euid(creds
, &uid
);
2273 r
= have_multiple_sessions(m
, uid
);
2277 multiple_sessions
= r
> 0;
2278 blocked
= manager_is_inhibited(m
, w
, INHIBIT_BLOCK
, NULL
, false, true, uid
, NULL
);
2280 handle
= handle_action_from_string(sleep_verb
);
2284 target
= manager_target_for_action(handle
);
2286 _cleanup_free_
char *load_state
= NULL
;
2288 r
= unit_load_state(m
->bus
, target
, &load_state
);
2292 if (!streq(load_state
, "loaded")) {
2299 if (multiple_sessions
) {
2300 r
= bus_test_polkit(message
, CAP_SYS_BOOT
, action_multiple_sessions
, NULL
, UID_INVALID
, &challenge
, error
);
2307 result
= "challenge";
2313 r
= bus_test_polkit(message
, CAP_SYS_BOOT
, action_ignore_inhibit
, NULL
, UID_INVALID
, &challenge
, error
);
2317 if (r
> 0 && !result
)
2319 else if (challenge
&& (!result
|| streq(result
, "yes")))
2320 result
= "challenge";
2325 if (!multiple_sessions
&& !blocked
) {
2326 /* If neither inhibit nor multiple sessions
2327 * apply then just check the normal policy */
2329 r
= bus_test_polkit(message
, CAP_SYS_BOOT
, action
, NULL
, UID_INVALID
, &challenge
, error
);
2336 result
= "challenge";
2342 return sd_bus_reply_method_return(message
, "s", result
);
2345 static int method_can_poweroff(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2346 Manager
*m
= userdata
;
2348 return method_can_shutdown_or_sleep(
2351 "org.freedesktop.login1.power-off",
2352 "org.freedesktop.login1.power-off-multiple-sessions",
2353 "org.freedesktop.login1.power-off-ignore-inhibit",
2358 static int method_can_reboot(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2359 Manager
*m
= userdata
;
2361 return method_can_shutdown_or_sleep(
2364 "org.freedesktop.login1.reboot",
2365 "org.freedesktop.login1.reboot-multiple-sessions",
2366 "org.freedesktop.login1.reboot-ignore-inhibit",
2371 static int method_can_halt(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2372 Manager
*m
= userdata
;
2374 return method_can_shutdown_or_sleep(
2377 "org.freedesktop.login1.halt",
2378 "org.freedesktop.login1.halt-multiple-sessions",
2379 "org.freedesktop.login1.halt-ignore-inhibit",
2384 static int method_can_suspend(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2385 Manager
*m
= userdata
;
2387 return method_can_shutdown_or_sleep(
2390 "org.freedesktop.login1.suspend",
2391 "org.freedesktop.login1.suspend-multiple-sessions",
2392 "org.freedesktop.login1.suspend-ignore-inhibit",
2397 static int method_can_hibernate(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2398 Manager
*m
= userdata
;
2400 return method_can_shutdown_or_sleep(
2403 "org.freedesktop.login1.hibernate",
2404 "org.freedesktop.login1.hibernate-multiple-sessions",
2405 "org.freedesktop.login1.hibernate-ignore-inhibit",
2410 static int method_can_hybrid_sleep(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2411 Manager
*m
= userdata
;
2413 return method_can_shutdown_or_sleep(
2416 "org.freedesktop.login1.hibernate",
2417 "org.freedesktop.login1.hibernate-multiple-sessions",
2418 "org.freedesktop.login1.hibernate-ignore-inhibit",
2423 static int method_can_suspend_then_hibernate(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2424 Manager
*m
= userdata
;
2426 return method_can_shutdown_or_sleep(
2429 "org.freedesktop.login1.hibernate",
2430 "org.freedesktop.login1.hibernate-multiple-sessions",
2431 "org.freedesktop.login1.hibernate-ignore-inhibit",
2432 "suspend-then-hibernate",
2436 static int property_get_reboot_to_firmware_setup(
2439 const char *interface
,
2440 const char *property
,
2441 sd_bus_message
*reply
,
2443 sd_bus_error
*error
) {
2450 r
= efi_get_reboot_to_firmware();
2451 if (r
< 0 && r
!= -EOPNOTSUPP
)
2452 log_warning_errno(r
, "Failed to determine reboot-to-firmware state: %m");
2454 return sd_bus_message_append(reply
, "b", r
> 0);
2457 static int method_set_reboot_to_firmware_setup(
2458 sd_bus_message
*message
,
2460 sd_bus_error
*error
) {
2463 Manager
*m
= userdata
;
2468 r
= sd_bus_message_read(message
, "b", &b
);
2472 r
= bus_verify_polkit_async(message
,
2474 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2478 &m
->polkit_registry
,
2483 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2485 r
= efi_set_reboot_to_firmware(b
);
2489 return sd_bus_reply_method_return(message
, NULL
);
2492 static int method_can_reboot_to_firmware_setup(
2493 sd_bus_message
*message
,
2495 sd_bus_error
*error
) {
2500 Manager
*m
= userdata
;
2505 r
= efi_reboot_to_firmware_supported();
2507 if (r
!= -EOPNOTSUPP
)
2508 log_warning_errno(errno
, "Failed to determine whether reboot to firmware is supported: %m");
2510 return sd_bus_reply_method_return(message
, "s", "na");
2513 r
= bus_test_polkit(message
,
2515 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2526 result
= "challenge";
2530 return sd_bus_reply_method_return(message
, "s", result
);
2533 static int method_set_wall_message(
2534 sd_bus_message
*message
,
2536 sd_bus_error
*error
) {
2539 Manager
*m
= userdata
;
2541 int enable_wall_messages
;
2546 r
= sd_bus_message_read(message
, "sb", &wall_message
, &enable_wall_messages
);
2550 r
= bus_verify_polkit_async(message
,
2552 "org.freedesktop.login1.set-wall-message",
2556 &m
->polkit_registry
,
2561 return 1; /* Will call us back */
2563 r
= free_and_strdup(&m
->wall_message
, empty_to_null(wall_message
));
2567 m
->enable_wall_messages
= enable_wall_messages
;
2569 return sd_bus_reply_method_return(message
, NULL
);
2572 static int method_inhibit(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2573 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
2574 const char *who
, *why
, *what
, *mode
;
2575 _cleanup_free_
char *id
= NULL
;
2576 _cleanup_close_
int fifo_fd
= -1;
2577 Manager
*m
= userdata
;
2578 Inhibitor
*i
= NULL
;
2588 r
= sd_bus_message_read(message
, "ssss", &what
, &who
, &why
, &mode
);
2592 w
= inhibit_what_from_string(what
);
2594 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid what specification %s", what
);
2596 mm
= inhibit_mode_from_string(mode
);
2598 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid mode specification %s", mode
);
2600 /* Delay is only supported for shutdown/sleep */
2601 if (mm
== INHIBIT_DELAY
&& (w
& ~(INHIBIT_SHUTDOWN
|INHIBIT_SLEEP
)))
2602 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Delay inhibitors only supported for shutdown and sleep");
2604 /* Don't allow taking delay locks while we are already
2605 * executing the operation. We shouldn't create the impression
2606 * that the lock was successful if the machine is about to go
2607 * down/suspend any moment. */
2608 if (m
->action_what
& w
)
2609 return sd_bus_error_setf(error
, BUS_ERROR_OPERATION_IN_PROGRESS
, "The operation inhibition has been requested for is already running");
2611 r
= bus_verify_polkit_async(
2614 w
== INHIBIT_SHUTDOWN
? (mm
== INHIBIT_BLOCK
? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") :
2615 w
== INHIBIT_SLEEP
? (mm
== INHIBIT_BLOCK
? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") :
2616 w
== INHIBIT_IDLE
? "org.freedesktop.login1.inhibit-block-idle" :
2617 w
== INHIBIT_HANDLE_POWER_KEY
? "org.freedesktop.login1.inhibit-handle-power-key" :
2618 w
== INHIBIT_HANDLE_SUSPEND_KEY
? "org.freedesktop.login1.inhibit-handle-suspend-key" :
2619 w
== INHIBIT_HANDLE_HIBERNATE_KEY
? "org.freedesktop.login1.inhibit-handle-hibernate-key" :
2620 "org.freedesktop.login1.inhibit-handle-lid-switch",
2624 &m
->polkit_registry
,
2629 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2631 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_EUID
|SD_BUS_CREDS_PID
, &creds
);
2635 r
= sd_bus_creds_get_euid(creds
, &uid
);
2639 r
= sd_bus_creds_get_pid(creds
, &pid
);
2643 if (hashmap_size(m
->inhibitors
) >= m
->inhibitors_max
)
2644 return sd_bus_error_setf(error
, SD_BUS_ERROR_LIMITS_EXCEEDED
, "Maximum number of inhibitors (%" PRIu64
") reached, refusing further inhibitors.", m
->inhibitors_max
);
2649 if (asprintf(&id
, "%lu", ++m
->inhibit_counter
) < 0)
2652 } while (hashmap_get(m
->inhibitors
, id
));
2654 r
= manager_add_inhibitor(m
, id
, &i
);
2662 i
->why
= strdup(why
);
2663 i
->who
= strdup(who
);
2665 if (!i
->why
|| !i
->who
) {
2670 fifo_fd
= inhibitor_create_fifo(i
);
2678 return sd_bus_reply_method_return(message
, "h", fifo_fd
);
2687 const sd_bus_vtable manager_vtable
[] = {
2688 SD_BUS_VTABLE_START(0),
2690 SD_BUS_WRITABLE_PROPERTY("EnableWallMessages", "b", NULL
, NULL
, offsetof(Manager
, enable_wall_messages
), 0),
2691 SD_BUS_WRITABLE_PROPERTY("WallMessage", "s", NULL
, NULL
, offsetof(Manager
, wall_message
), 0),
2693 SD_BUS_PROPERTY("NAutoVTs", "u", NULL
, offsetof(Manager
, n_autovts
), SD_BUS_VTABLE_PROPERTY_CONST
),
2694 SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL
, offsetof(Manager
, kill_only_users
), SD_BUS_VTABLE_PROPERTY_CONST
),
2695 SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL
, offsetof(Manager
, kill_exclude_users
), SD_BUS_VTABLE_PROPERTY_CONST
),
2696 SD_BUS_PROPERTY("KillUserProcesses", "b", NULL
, offsetof(Manager
, kill_user_processes
), SD_BUS_VTABLE_PROPERTY_CONST
),
2697 SD_BUS_PROPERTY("RebootToFirmwareSetup", "b", property_get_reboot_to_firmware_setup
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
2698 SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
2699 SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
2700 SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
2701 SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
2702 SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
2703 SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL
, offsetof(Manager
, inhibit_delay_max
), SD_BUS_VTABLE_PROPERTY_CONST
),
2704 SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action
, offsetof(Manager
, handle_power_key
), SD_BUS_VTABLE_PROPERTY_CONST
),
2705 SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action
, offsetof(Manager
, handle_suspend_key
), SD_BUS_VTABLE_PROPERTY_CONST
),
2706 SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action
, offsetof(Manager
, handle_hibernate_key
), SD_BUS_VTABLE_PROPERTY_CONST
),
2707 SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action
, offsetof(Manager
, handle_lid_switch
), SD_BUS_VTABLE_PROPERTY_CONST
),
2708 SD_BUS_PROPERTY("HandleLidSwitchExternalPower", "s", property_get_handle_action
, offsetof(Manager
, handle_lid_switch_ep
), SD_BUS_VTABLE_PROPERTY_CONST
),
2709 SD_BUS_PROPERTY("HandleLidSwitchDocked", "s", property_get_handle_action
, offsetof(Manager
, handle_lid_switch_docked
), SD_BUS_VTABLE_PROPERTY_CONST
),
2710 SD_BUS_PROPERTY("HoldoffTimeoutUSec", "t", NULL
, offsetof(Manager
, holdoff_timeout_usec
), SD_BUS_VTABLE_PROPERTY_CONST
),
2711 SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action
, offsetof(Manager
, idle_action
), SD_BUS_VTABLE_PROPERTY_CONST
),
2712 SD_BUS_PROPERTY("IdleActionUSec", "t", NULL
, offsetof(Manager
, idle_action_usec
), SD_BUS_VTABLE_PROPERTY_CONST
),
2713 SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing
, 0, 0),
2714 SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing
, 0, 0),
2715 SD_BUS_PROPERTY("ScheduledShutdown", "(st)", property_get_scheduled_shutdown
, 0, 0),
2716 SD_BUS_PROPERTY("Docked", "b", property_get_docked
, 0, 0),
2717 SD_BUS_PROPERTY("RemoveIPC", "b", bus_property_get_bool
, offsetof(Manager
, remove_ipc
), SD_BUS_VTABLE_PROPERTY_CONST
),
2718 SD_BUS_PROPERTY("RuntimeDirectorySize", "t", bus_property_get_size
, offsetof(Manager
, runtime_dir_size
), SD_BUS_VTABLE_PROPERTY_CONST
),
2719 SD_BUS_PROPERTY("InhibitorsMax", "t", NULL
, offsetof(Manager
, inhibitors_max
), SD_BUS_VTABLE_PROPERTY_CONST
),
2720 SD_BUS_PROPERTY("NCurrentInhibitors", "t", property_get_current_inhibitors
, 0, 0),
2721 SD_BUS_PROPERTY("SessionsMax", "t", NULL
, offsetof(Manager
, sessions_max
), SD_BUS_VTABLE_PROPERTY_CONST
),
2722 SD_BUS_PROPERTY("NCurrentSessions", "t", property_get_current_sessions
, 0, 0),
2723 SD_BUS_PROPERTY("UserTasksMax", "t", NULL
, offsetof(Manager
, user_tasks_max
), SD_BUS_VTABLE_PROPERTY_CONST
),
2725 SD_BUS_METHOD("GetSession", "s", "o", method_get_session
, SD_BUS_VTABLE_UNPRIVILEGED
),
2726 SD_BUS_METHOD("GetSessionByPID", "u", "o", method_get_session_by_pid
, SD_BUS_VTABLE_UNPRIVILEGED
),
2727 SD_BUS_METHOD("GetUser", "u", "o", method_get_user
, SD_BUS_VTABLE_UNPRIVILEGED
),
2728 SD_BUS_METHOD("GetUserByPID", "u", "o", method_get_user_by_pid
, SD_BUS_VTABLE_UNPRIVILEGED
),
2729 SD_BUS_METHOD("GetSeat", "s", "o", method_get_seat
, SD_BUS_VTABLE_UNPRIVILEGED
),
2730 SD_BUS_METHOD("ListSessions", NULL
, "a(susso)", method_list_sessions
, SD_BUS_VTABLE_UNPRIVILEGED
),
2731 SD_BUS_METHOD("ListUsers", NULL
, "a(uso)", method_list_users
, SD_BUS_VTABLE_UNPRIVILEGED
),
2732 SD_BUS_METHOD("ListSeats", NULL
, "a(so)", method_list_seats
, SD_BUS_VTABLE_UNPRIVILEGED
),
2733 SD_BUS_METHOD("ListInhibitors", NULL
, "a(ssssuu)", method_list_inhibitors
, SD_BUS_VTABLE_UNPRIVILEGED
),
2734 SD_BUS_METHOD("CreateSession", "uusssssussbssa(sv)", "soshusub", method_create_session
, 0),
2735 SD_BUS_METHOD("ReleaseSession", "s", NULL
, method_release_session
, 0),
2736 SD_BUS_METHOD("ActivateSession", "s", NULL
, method_activate_session
, SD_BUS_VTABLE_UNPRIVILEGED
),
2737 SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL
, method_activate_session_on_seat
, SD_BUS_VTABLE_UNPRIVILEGED
),
2738 SD_BUS_METHOD("LockSession", "s", NULL
, method_lock_session
, SD_BUS_VTABLE_UNPRIVILEGED
),
2739 SD_BUS_METHOD("UnlockSession", "s", NULL
, method_lock_session
, SD_BUS_VTABLE_UNPRIVILEGED
),
2740 SD_BUS_METHOD("LockSessions", NULL
, NULL
, method_lock_sessions
, SD_BUS_VTABLE_UNPRIVILEGED
),
2741 SD_BUS_METHOD("UnlockSessions", NULL
, NULL
, method_lock_sessions
, SD_BUS_VTABLE_UNPRIVILEGED
),
2742 SD_BUS_METHOD("KillSession", "ssi", NULL
, method_kill_session
, SD_BUS_VTABLE_UNPRIVILEGED
),
2743 SD_BUS_METHOD("KillUser", "ui", NULL
, method_kill_user
, SD_BUS_VTABLE_UNPRIVILEGED
),
2744 SD_BUS_METHOD("TerminateSession", "s", NULL
, method_terminate_session
, SD_BUS_VTABLE_UNPRIVILEGED
),
2745 SD_BUS_METHOD("TerminateUser", "u", NULL
, method_terminate_user
, SD_BUS_VTABLE_UNPRIVILEGED
),
2746 SD_BUS_METHOD("TerminateSeat", "s", NULL
, method_terminate_seat
, SD_BUS_VTABLE_UNPRIVILEGED
),
2747 SD_BUS_METHOD("SetUserLinger", "ubb", NULL
, method_set_user_linger
, SD_BUS_VTABLE_UNPRIVILEGED
),
2748 SD_BUS_METHOD("AttachDevice", "ssb", NULL
, method_attach_device
, SD_BUS_VTABLE_UNPRIVILEGED
),
2749 SD_BUS_METHOD("FlushDevices", "b", NULL
, method_flush_devices
, SD_BUS_VTABLE_UNPRIVILEGED
),
2750 SD_BUS_METHOD("PowerOff", "b", NULL
, method_poweroff
, SD_BUS_VTABLE_UNPRIVILEGED
),
2751 SD_BUS_METHOD("Reboot", "b", NULL
, method_reboot
, SD_BUS_VTABLE_UNPRIVILEGED
),
2752 SD_BUS_METHOD("Halt", "b", NULL
, method_halt
, SD_BUS_VTABLE_UNPRIVILEGED
),
2753 SD_BUS_METHOD("Suspend", "b", NULL
, method_suspend
, SD_BUS_VTABLE_UNPRIVILEGED
),
2754 SD_BUS_METHOD("Hibernate", "b", NULL
, method_hibernate
, SD_BUS_VTABLE_UNPRIVILEGED
),
2755 SD_BUS_METHOD("HybridSleep", "b", NULL
, method_hybrid_sleep
, SD_BUS_VTABLE_UNPRIVILEGED
),
2756 SD_BUS_METHOD("SuspendThenHibernate", "b", NULL
, method_suspend_then_hibernate
, SD_BUS_VTABLE_UNPRIVILEGED
),
2757 SD_BUS_METHOD("CanPowerOff", NULL
, "s", method_can_poweroff
, SD_BUS_VTABLE_UNPRIVILEGED
),
2758 SD_BUS_METHOD("CanReboot", NULL
, "s", method_can_reboot
, SD_BUS_VTABLE_UNPRIVILEGED
),
2759 SD_BUS_METHOD("CanHalt", NULL
, "s", method_can_halt
, SD_BUS_VTABLE_UNPRIVILEGED
),
2760 SD_BUS_METHOD("CanSuspend", NULL
, "s", method_can_suspend
, SD_BUS_VTABLE_UNPRIVILEGED
),
2761 SD_BUS_METHOD("CanHibernate", NULL
, "s", method_can_hibernate
, SD_BUS_VTABLE_UNPRIVILEGED
),
2762 SD_BUS_METHOD("CanHybridSleep", NULL
, "s", method_can_hybrid_sleep
, SD_BUS_VTABLE_UNPRIVILEGED
),
2763 SD_BUS_METHOD("CanSuspendThenHibernate", NULL
, "s", method_can_suspend_then_hibernate
, SD_BUS_VTABLE_UNPRIVILEGED
),
2764 SD_BUS_METHOD("ScheduleShutdown", "st", NULL
, method_schedule_shutdown
, SD_BUS_VTABLE_UNPRIVILEGED
),
2765 SD_BUS_METHOD("CancelScheduledShutdown", NULL
, "b", method_cancel_scheduled_shutdown
, SD_BUS_VTABLE_UNPRIVILEGED
),
2766 SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit
, SD_BUS_VTABLE_UNPRIVILEGED
),
2767 SD_BUS_METHOD("CanRebootToFirmwareSetup", NULL
, "s", method_can_reboot_to_firmware_setup
, SD_BUS_VTABLE_UNPRIVILEGED
),
2768 SD_BUS_METHOD("SetRebootToFirmwareSetup", "b", NULL
, method_set_reboot_to_firmware_setup
, SD_BUS_VTABLE_UNPRIVILEGED
),
2769 SD_BUS_METHOD("SetWallMessage", "sb", NULL
, method_set_wall_message
, SD_BUS_VTABLE_UNPRIVILEGED
),
2771 SD_BUS_SIGNAL("SessionNew", "so", 0),
2772 SD_BUS_SIGNAL("SessionRemoved", "so", 0),
2773 SD_BUS_SIGNAL("UserNew", "uo", 0),
2774 SD_BUS_SIGNAL("UserRemoved", "uo", 0),
2775 SD_BUS_SIGNAL("SeatNew", "so", 0),
2776 SD_BUS_SIGNAL("SeatRemoved", "so", 0),
2777 SD_BUS_SIGNAL("PrepareForShutdown", "b", 0),
2778 SD_BUS_SIGNAL("PrepareForSleep", "b", 0),
2783 static int session_jobs_reply(Session
*s
, const char *unit
, const char *result
) {
2792 if (streq(result
, "done"))
2793 r
= session_send_create_reply(s
, NULL
);
2795 _cleanup_(sd_bus_error_free
) sd_bus_error e
= SD_BUS_ERROR_NULL
;
2797 sd_bus_error_setf(&e
, BUS_ERROR_JOB_FAILED
, "Start job for unit %s failed with '%s'", unit
, result
);
2798 r
= session_send_create_reply(s
, &e
);
2804 int match_job_removed(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2805 const char *path
, *result
, *unit
;
2806 Manager
*m
= userdata
;
2815 r
= sd_bus_message_read(message
, "uoss", &id
, &path
, &unit
, &result
);
2817 bus_log_parse_error(r
);
2821 if (m
->action_job
&& streq(m
->action_job
, path
)) {
2822 log_info("Operation '%s' finished.", inhibit_what_to_string(m
->action_what
));
2824 /* Tell people that they now may take a lock again */
2825 (void) send_prepare_for(m
, m
->action_what
, false);
2827 m
->action_job
= mfree(m
->action_job
);
2828 m
->action_unit
= NULL
;
2833 session
= hashmap_get(m
->session_units
, unit
);
2834 if (session
&& streq_ptr(path
, session
->scope_job
)) {
2835 session
->scope_job
= mfree(session
->scope_job
);
2836 session_jobs_reply(session
, unit
, result
);
2838 session_save(session
);
2839 user_save(session
->user
);
2840 session_add_to_gc_queue(session
);
2843 user
= hashmap_get(m
->user_units
, unit
);
2845 (streq_ptr(path
, user
->service_job
) ||
2846 streq_ptr(path
, user
->slice_job
))) {
2848 if (streq_ptr(path
, user
->service_job
))
2849 user
->service_job
= mfree(user
->service_job
);
2851 if (streq_ptr(path
, user
->slice_job
))
2852 user
->slice_job
= mfree(user
->slice_job
);
2854 LIST_FOREACH(sessions_by_user
, session
, user
->sessions
)
2855 session_jobs_reply(session
, unit
, result
);
2858 user_add_to_gc_queue(user
);
2864 int match_unit_removed(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2865 const char *path
, *unit
;
2866 Manager
*m
= userdata
;
2874 r
= sd_bus_message_read(message
, "so", &unit
, &path
);
2876 bus_log_parse_error(r
);
2880 session
= hashmap_get(m
->session_units
, unit
);
2882 session_add_to_gc_queue(session
);
2884 user
= hashmap_get(m
->user_units
, unit
);
2886 user_add_to_gc_queue(user
);
2891 int match_properties_changed(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2892 _cleanup_free_
char *unit
= NULL
;
2893 Manager
*m
= userdata
;
2902 path
= sd_bus_message_get_path(message
);
2906 r
= unit_name_from_dbus_path(path
, &unit
);
2907 if (r
== -EINVAL
) /* not a unit */
2914 session
= hashmap_get(m
->session_units
, unit
);
2916 session_add_to_gc_queue(session
);
2918 user
= hashmap_get(m
->user_units
, unit
);
2920 user_add_to_gc_queue(user
);
2925 int match_reloading(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2926 Manager
*m
= userdata
;
2934 r
= sd_bus_message_read(message
, "b", &b
);
2936 bus_log_parse_error(r
);
2943 /* systemd finished reloading, let's recheck all our sessions */
2944 log_debug("System manager has been reloaded, rechecking sessions...");
2946 HASHMAP_FOREACH(session
, m
->sessions
, i
)
2947 session_add_to_gc_queue(session
);
2952 int manager_send_changed(Manager
*manager
, const char *property
, ...) {
2957 l
= strv_from_stdarg_alloca(property
);
2959 return sd_bus_emit_properties_changed_strv(
2961 "/org/freedesktop/login1",
2962 "org.freedesktop.login1.Manager",
2966 static int strdup_job(sd_bus_message
*reply
, char **job
) {
2971 r
= sd_bus_message_read(reply
, "o", &j
);
2983 int manager_start_slice(
2986 const char *description
,
2990 sd_bus_error
*error
,
2993 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*m
= NULL
, *reply
= NULL
;
3000 r
= sd_bus_message_new_method_call(
3003 "org.freedesktop.systemd1",
3004 "/org/freedesktop/systemd1",
3005 "org.freedesktop.systemd1.Manager",
3006 "StartTransientUnit");
3010 r
= sd_bus_message_append(m
, "ss", strempty(slice
), "fail");
3014 r
= sd_bus_message_open_container(m
, 'a', "(sv)");
3018 if (!isempty(description
)) {
3019 r
= sd_bus_message_append(m
, "(sv)", "Description", "s", description
);
3024 if (!isempty(after
)) {
3025 r
= sd_bus_message_append(m
, "(sv)", "After", "as", 1, after
);
3030 if (!isempty(after2
)) {
3031 r
= sd_bus_message_append(m
, "(sv)", "After", "as", 1, after2
);
3036 r
= sd_bus_message_append(m
, "(sv)", "TasksMax", "t", tasks_max
);
3040 r
= sd_bus_message_close_container(m
);
3044 r
= sd_bus_message_append(m
, "a(sa(sv))", 0);
3048 r
= sd_bus_call(manager
->bus
, m
, 0, error
, &reply
);
3052 return strdup_job(reply
, job
);
3055 int manager_start_scope(
3060 const char *description
,
3063 sd_bus_message
*more_properties
,
3064 sd_bus_error
*error
,
3067 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*m
= NULL
, *reply
= NULL
;
3075 r
= sd_bus_message_new_method_call(
3078 "org.freedesktop.systemd1",
3079 "/org/freedesktop/systemd1",
3080 "org.freedesktop.systemd1.Manager",
3081 "StartTransientUnit");
3085 r
= sd_bus_message_append(m
, "ss", strempty(scope
), "fail");
3089 r
= sd_bus_message_open_container(m
, 'a', "(sv)");
3093 if (!isempty(slice
)) {
3094 r
= sd_bus_message_append(m
, "(sv)", "Slice", "s", slice
);
3099 if (!isempty(description
)) {
3100 r
= sd_bus_message_append(m
, "(sv)", "Description", "s", description
);
3105 if (!isempty(after
)) {
3106 r
= sd_bus_message_append(m
, "(sv)", "After", "as", 1, after
);
3111 if (!isempty(after2
)) {
3112 r
= sd_bus_message_append(m
, "(sv)", "After", "as", 1, after2
);
3117 /* Make sure that the session shells are terminated with SIGHUP since bash and friends tend to ignore
3119 r
= sd_bus_message_append(m
, "(sv)", "SendSIGHUP", "b", true);
3123 r
= sd_bus_message_append(m
, "(sv)", "PIDs", "au", 1, pid
);
3127 /* disable TasksMax= for the session scope, rely on the slice setting for it */
3128 r
= sd_bus_message_append(m
, "(sv)", "TasksMax", "t", (uint64_t)-1);
3130 return bus_log_create_error(r
);
3132 if (more_properties
) {
3133 /* If TasksMax also appears here, it will overwrite the default value set above */
3134 r
= sd_bus_message_copy(m
, more_properties
, true);
3139 r
= sd_bus_message_close_container(m
);
3143 r
= sd_bus_message_append(m
, "a(sa(sv))", 0);
3147 r
= sd_bus_call(manager
->bus
, m
, 0, error
, &reply
);
3151 return strdup_job(reply
, job
);
3154 int manager_start_unit(Manager
*manager
, const char *unit
, sd_bus_error
*error
, char **job
) {
3155 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
3162 r
= sd_bus_call_method(
3164 "org.freedesktop.systemd1",
3165 "/org/freedesktop/systemd1",
3166 "org.freedesktop.systemd1.Manager",
3170 "ss", unit
, "replace");
3174 return strdup_job(reply
, job
);
3177 int manager_stop_unit(Manager
*manager
, const char *unit
, sd_bus_error
*error
, char **job
) {
3178 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
3185 r
= sd_bus_call_method(
3187 "org.freedesktop.systemd1",
3188 "/org/freedesktop/systemd1",
3189 "org.freedesktop.systemd1.Manager",
3193 "ss", unit
, "fail");
3195 if (sd_bus_error_has_name(error
, BUS_ERROR_NO_SUCH_UNIT
) ||
3196 sd_bus_error_has_name(error
, BUS_ERROR_LOAD_FAILED
)) {
3199 sd_bus_error_free(error
);
3206 return strdup_job(reply
, job
);
3209 int manager_abandon_scope(Manager
*manager
, const char *scope
, sd_bus_error
*error
) {
3210 _cleanup_free_
char *path
= NULL
;
3216 path
= unit_dbus_path_from_name(scope
);
3220 r
= sd_bus_call_method(
3222 "org.freedesktop.systemd1",
3224 "org.freedesktop.systemd1.Scope",
3230 if (sd_bus_error_has_name(error
, BUS_ERROR_NO_SUCH_UNIT
) ||
3231 sd_bus_error_has_name(error
, BUS_ERROR_LOAD_FAILED
) ||
3232 sd_bus_error_has_name(error
, BUS_ERROR_SCOPE_NOT_RUNNING
)) {
3233 sd_bus_error_free(error
);
3243 int manager_kill_unit(Manager
*manager
, const char *unit
, KillWho who
, int signo
, sd_bus_error
*error
) {
3247 return sd_bus_call_method(
3249 "org.freedesktop.systemd1",
3250 "/org/freedesktop/systemd1",
3251 "org.freedesktop.systemd1.Manager",
3255 "ssi", unit
, who
== KILL_LEADER
? "main" : "all", signo
);
3258 int manager_unit_is_active(Manager
*manager
, const char *unit
) {
3259 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
3260 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
3261 _cleanup_free_
char *path
= NULL
;
3268 path
= unit_dbus_path_from_name(unit
);
3272 r
= sd_bus_get_property(
3274 "org.freedesktop.systemd1",
3276 "org.freedesktop.systemd1.Unit",
3282 /* systemd might have droppped off momentarily, let's
3283 * not make this an error */
3284 if (sd_bus_error_has_name(&error
, SD_BUS_ERROR_NO_REPLY
) ||
3285 sd_bus_error_has_name(&error
, SD_BUS_ERROR_DISCONNECTED
))
3288 /* If the unit is already unloaded then it's not
3290 if (sd_bus_error_has_name(&error
, BUS_ERROR_NO_SUCH_UNIT
) ||
3291 sd_bus_error_has_name(&error
, BUS_ERROR_LOAD_FAILED
))
3297 r
= sd_bus_message_read(reply
, "s", &state
);
3301 return !streq(state
, "inactive") && !streq(state
, "failed");
3304 int manager_job_is_active(Manager
*manager
, const char *path
) {
3305 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
3306 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
3312 r
= sd_bus_get_property(
3314 "org.freedesktop.systemd1",
3316 "org.freedesktop.systemd1.Job",
3322 if (sd_bus_error_has_name(&error
, SD_BUS_ERROR_NO_REPLY
) ||
3323 sd_bus_error_has_name(&error
, SD_BUS_ERROR_DISCONNECTED
))
3326 if (sd_bus_error_has_name(&error
, SD_BUS_ERROR_UNKNOWN_OBJECT
))
3332 /* We don't actually care about the state really. The fact
3333 * that we could read the job state is enough for us */