1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
8 #include "sd-messages.h"
10 #include "alloc-util.h"
11 #include "audit-util.h"
13 #include "bus-common-errors.h"
14 #include "bus-error.h"
15 #include "bus-get-properties.h"
16 #include "bus-locator.h"
17 #include "bus-polkit.h"
18 #include "bus-unit-util.h"
20 #include "cgroup-util.h"
21 #include "device-util.h"
22 #include "dirent-util.h"
23 #include "efi-loader.h"
28 #include "fileio-label.h"
30 #include "format-util.h"
32 #include "logind-dbus.h"
33 #include "logind-seat-dbus.h"
34 #include "logind-session-dbus.h"
35 #include "logind-user-dbus.h"
37 #include "missing_capability.h"
39 #include "parse-util.h"
40 #include "path-util.h"
41 #include "process-util.h"
42 #include "reboot-util.h"
43 #include "selinux-util.h"
44 #include "sleep-config.h"
46 #include "stdio-util.h"
48 #include "terminal-util.h"
49 #include "tmpfile-util.h"
50 #include "unit-name.h"
51 #include "user-util.h"
52 #include "utmp-wtmp.h"
55 static int get_sender_session(
57 sd_bus_message
*message
,
62 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
63 Session
*session
= NULL
;
67 /* Acquire the sender's session. This first checks if the sending process is inside a session itself,
68 * and returns that. If not and 'consult_display' is true, this returns the display session of the
69 * owning user of the caller. */
71 r
= sd_bus_query_sender_creds(message
,
72 SD_BUS_CREDS_SESSION
|SD_BUS_CREDS_AUGMENT
|
73 (consult_display
? SD_BUS_CREDS_OWNER_UID
: 0), &creds
);
77 r
= sd_bus_creds_get_session(creds
, &name
);
82 if (consult_display
) {
85 r
= sd_bus_creds_get_owner_uid(creds
, &uid
);
92 user
= hashmap_get(m
->users
, UID_TO_PTR(uid
));
94 session
= user
->display
;
98 session
= hashmap_get(m
->sessions
, name
);
101 return sd_bus_error_setf(error
, BUS_ERROR_NO_SESSION_FOR_PID
,
103 "Caller does not belong to any known session and doesn't own any suitable session." :
104 "Caller does not belong to any known session.");
110 int manager_get_session_from_creds(
112 sd_bus_message
*message
,
122 if (SEAT_IS_SELF(name
)) /* the caller's own session */
123 return get_sender_session(m
, message
, false, error
, ret
);
124 if (SEAT_IS_AUTO(name
)) /* The caller's own session if they have one, otherwise their user's display session */
125 return get_sender_session(m
, message
, true, error
, ret
);
127 session
= hashmap_get(m
->sessions
, name
);
129 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_SESSION
, "No session '%s' known", name
);
135 static int get_sender_user(Manager
*m
, sd_bus_message
*message
, sd_bus_error
*error
, User
**ret
) {
136 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
141 /* Note that we get the owner UID of the session, not the actual client UID here! */
142 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_OWNER_UID
|SD_BUS_CREDS_AUGMENT
, &creds
);
146 r
= sd_bus_creds_get_owner_uid(creds
, &uid
);
153 user
= hashmap_get(m
->users
, UID_TO_PTR(uid
));
156 return sd_bus_error_setf(error
, BUS_ERROR_NO_USER_FOR_PID
,
157 "Caller does not belong to any logged in or lingering user");
163 int manager_get_user_from_creds(Manager
*m
, sd_bus_message
*message
, uid_t uid
, sd_bus_error
*error
, User
**ret
) {
169 if (!uid_is_valid(uid
))
170 return get_sender_user(m
, message
, error
, ret
);
172 user
= hashmap_get(m
->users
, UID_TO_PTR(uid
));
174 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_USER
,
175 "User ID "UID_FMT
" is not logged in or lingering", uid
);
181 int manager_get_seat_from_creds(
183 sd_bus_message
*message
,
194 if (SEAT_IS_SELF(name
) || SEAT_IS_AUTO(name
)) {
197 /* Use these special seat names as session names */
198 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
202 seat
= session
->seat
;
204 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_SEAT
, "Session '%s' has no seat.", session
->id
);
206 seat
= hashmap_get(m
->seats
, name
);
208 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_SEAT
, "No seat '%s' known", name
);
215 static int return_test_polkit(
216 sd_bus_message
*message
,
219 const char **details
,
227 r
= bus_test_polkit(message
, capability
, action
, details
, good_user
, &challenge
, e
);
234 result
= "challenge";
238 return sd_bus_reply_method_return(message
, "s", result
);
241 static int property_get_idle_hint(
244 const char *interface
,
245 const char *property
,
246 sd_bus_message
*reply
,
248 sd_bus_error
*error
) {
250 Manager
*m
= userdata
;
256 return sd_bus_message_append(reply
, "b", manager_get_idle_hint(m
, NULL
) > 0);
259 static int property_get_idle_since_hint(
262 const char *interface
,
263 const char *property
,
264 sd_bus_message
*reply
,
266 sd_bus_error
*error
) {
268 Manager
*m
= userdata
;
269 dual_timestamp t
= DUAL_TIMESTAMP_NULL
;
275 manager_get_idle_hint(m
, &t
);
277 return sd_bus_message_append(reply
, "t", streq(property
, "IdleSinceHint") ? t
.realtime
: t
.monotonic
);
280 static int property_get_inhibited(
283 const char *interface
,
284 const char *property
,
285 sd_bus_message
*reply
,
287 sd_bus_error
*error
) {
289 Manager
*m
= userdata
;
296 w
= manager_inhibit_what(m
, streq(property
, "BlockInhibited") ? INHIBIT_BLOCK
: INHIBIT_DELAY
);
298 return sd_bus_message_append(reply
, "s", inhibit_what_to_string(w
));
301 static int property_get_preparing(
304 const char *interface
,
305 const char *property
,
306 sd_bus_message
*reply
,
308 sd_bus_error
*error
) {
310 Manager
*m
= userdata
;
317 if (streq(property
, "PreparingForShutdown"))
318 b
= m
->action_what
& INHIBIT_SHUTDOWN
;
320 b
= m
->action_what
& INHIBIT_SLEEP
;
322 return sd_bus_message_append(reply
, "b", b
);
325 static int property_get_scheduled_shutdown(
328 const char *interface
,
329 const char *property
,
330 sd_bus_message
*reply
,
332 sd_bus_error
*error
) {
334 Manager
*m
= userdata
;
341 r
= sd_bus_message_open_container(reply
, 'r', "st");
345 r
= sd_bus_message_append(reply
, "st", m
->scheduled_shutdown_type
, m
->scheduled_shutdown_timeout
);
349 return sd_bus_message_close_container(reply
);
352 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_handle_action
, handle_action
, HandleAction
);
353 static BUS_DEFINE_PROPERTY_GET(property_get_docked
, "b", Manager
, manager_is_docked_or_external_displays
);
354 static BUS_DEFINE_PROPERTY_GET(property_get_lid_closed
, "b", Manager
, manager_is_lid_closed
);
355 static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_on_external_power
, "b", manager_is_on_external_power
);
356 static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_compat_user_tasks_max
, "t", CGROUP_LIMIT_MAX
);
357 static BUS_DEFINE_PROPERTY_GET_REF(property_get_hashmap_size
, "t", Hashmap
*, (uint64_t) hashmap_size
);
359 static int method_get_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
360 _cleanup_free_
char *p
= NULL
;
361 Manager
*m
= userdata
;
369 r
= sd_bus_message_read(message
, "s", &name
);
373 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
377 p
= session_bus_path(session
);
381 return sd_bus_reply_method_return(message
, "o", p
);
384 /* Get login session of a process. This is not what you are looking for these days,
385 * as apps may instead belong to a user service unit. This includes terminal
386 * emulators and hence command-line apps. */
387 static int method_get_session_by_pid(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
388 _cleanup_free_
char *p
= NULL
;
389 Session
*session
= NULL
;
390 Manager
*m
= userdata
;
397 assert_cc(sizeof(pid_t
) == sizeof(uint32_t));
399 r
= sd_bus_message_read(message
, "u", &pid
);
406 r
= manager_get_session_from_creds(m
, message
, NULL
, error
, &session
);
410 r
= manager_get_session_by_pid(m
, pid
, &session
);
415 return sd_bus_error_setf(error
, BUS_ERROR_NO_SESSION_FOR_PID
,
416 "PID "PID_FMT
" does not belong to any known session", pid
);
419 p
= session_bus_path(session
);
423 return sd_bus_reply_method_return(message
, "o", p
);
426 static int method_get_user(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
427 _cleanup_free_
char *p
= NULL
;
428 Manager
*m
= userdata
;
436 r
= sd_bus_message_read(message
, "u", &uid
);
440 r
= manager_get_user_from_creds(m
, message
, uid
, error
, &user
);
444 p
= user_bus_path(user
);
448 return sd_bus_reply_method_return(message
, "o", p
);
451 static int method_get_user_by_pid(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
452 _cleanup_free_
char *p
= NULL
;
453 Manager
*m
= userdata
;
461 assert_cc(sizeof(pid_t
) == sizeof(uint32_t));
463 r
= sd_bus_message_read(message
, "u", &pid
);
470 r
= manager_get_user_from_creds(m
, message
, UID_INVALID
, error
, &user
);
474 r
= manager_get_user_by_pid(m
, pid
, &user
);
478 return sd_bus_error_setf(error
, BUS_ERROR_NO_USER_FOR_PID
,
479 "PID "PID_FMT
" does not belong to any logged in user or lingering user",
483 p
= user_bus_path(user
);
487 return sd_bus_reply_method_return(message
, "o", p
);
490 static int method_get_seat(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
491 _cleanup_free_
char *p
= NULL
;
492 Manager
*m
= userdata
;
500 r
= sd_bus_message_read(message
, "s", &name
);
504 r
= manager_get_seat_from_creds(m
, message
, name
, error
, &seat
);
508 p
= seat_bus_path(seat
);
512 return sd_bus_reply_method_return(message
, "o", p
);
515 static int method_list_sessions(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
516 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
517 Manager
*m
= userdata
;
524 r
= sd_bus_message_new_method_return(message
, &reply
);
528 r
= sd_bus_message_open_container(reply
, 'a', "(susso)");
532 HASHMAP_FOREACH(session
, m
->sessions
) {
533 _cleanup_free_
char *p
= NULL
;
535 p
= session_bus_path(session
);
539 r
= sd_bus_message_append(reply
, "(susso)",
541 (uint32_t) session
->user
->user_record
->uid
,
542 session
->user
->user_record
->user_name
,
543 session
->seat
? session
->seat
->id
: "",
549 r
= sd_bus_message_close_container(reply
);
553 return sd_bus_send(NULL
, reply
, NULL
);
556 static int method_list_users(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
557 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
558 Manager
*m
= userdata
;
565 r
= sd_bus_message_new_method_return(message
, &reply
);
569 r
= sd_bus_message_open_container(reply
, 'a', "(uso)");
573 HASHMAP_FOREACH(user
, m
->users
) {
574 _cleanup_free_
char *p
= NULL
;
576 p
= user_bus_path(user
);
580 r
= sd_bus_message_append(reply
, "(uso)",
581 (uint32_t) user
->user_record
->uid
,
582 user
->user_record
->user_name
,
588 r
= sd_bus_message_close_container(reply
);
592 return sd_bus_send(NULL
, reply
, NULL
);
595 static int method_list_seats(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
596 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
597 Manager
*m
= userdata
;
604 r
= sd_bus_message_new_method_return(message
, &reply
);
608 r
= sd_bus_message_open_container(reply
, 'a', "(so)");
612 HASHMAP_FOREACH(seat
, m
->seats
) {
613 _cleanup_free_
char *p
= NULL
;
615 p
= seat_bus_path(seat
);
619 r
= sd_bus_message_append(reply
, "(so)", seat
->id
, p
);
624 r
= sd_bus_message_close_container(reply
);
628 return sd_bus_send(NULL
, reply
, NULL
);
631 static int method_list_inhibitors(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
632 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
633 Manager
*m
= userdata
;
634 Inhibitor
*inhibitor
;
640 r
= sd_bus_message_new_method_return(message
, &reply
);
644 r
= sd_bus_message_open_container(reply
, 'a', "(ssssuu)");
648 HASHMAP_FOREACH(inhibitor
, m
->inhibitors
) {
650 r
= sd_bus_message_append(reply
, "(ssssuu)",
651 strempty(inhibit_what_to_string(inhibitor
->what
)),
652 strempty(inhibitor
->who
),
653 strempty(inhibitor
->why
),
654 strempty(inhibit_mode_to_string(inhibitor
->mode
)),
655 (uint32_t) inhibitor
->uid
,
656 (uint32_t) inhibitor
->pid
);
661 r
= sd_bus_message_close_container(reply
);
665 return sd_bus_send(NULL
, reply
, NULL
);
668 static int method_create_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
669 const char *service
, *type
, *class, *cseat
, *tty
, *display
, *remote_user
, *remote_host
, *desktop
;
670 _cleanup_free_
char *id
= NULL
;
671 Session
*session
= NULL
;
672 uint32_t audit_id
= 0;
673 Manager
*m
= userdata
;
687 assert_cc(sizeof(pid_t
) == sizeof(uint32_t));
688 assert_cc(sizeof(uid_t
) == sizeof(uint32_t));
690 r
= sd_bus_message_read(message
, "uusssssussbss",
691 &uid
, &leader
, &service
, &type
, &class, &desktop
, &cseat
,
692 &vtnr
, &tty
, &display
, &remote
, &remote_user
, &remote_host
);
696 if (!uid_is_valid(uid
))
697 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid UID");
698 if (leader
< 0 || leader
== 1 || leader
== getpid_cached())
699 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid leader PID");
702 t
= _SESSION_TYPE_INVALID
;
704 t
= session_type_from_string(type
);
706 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
707 "Invalid session type %s", type
);
711 c
= _SESSION_CLASS_INVALID
;
713 c
= session_class_from_string(class);
715 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
716 "Invalid session class %s", class);
719 if (isempty(desktop
))
722 if (!string_is_safe(desktop
))
723 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
724 "Invalid desktop string %s", desktop
);
730 seat
= hashmap_get(m
->seats
, cseat
);
732 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_SEAT
,
733 "No seat '%s' known", cseat
);
736 if (tty_is_vc(tty
)) {
741 else if (seat
!= m
->seat0
)
742 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
743 "TTY %s is virtual console but seat %s is not seat0", tty
, seat
->id
);
745 v
= vtnr_from_tty(tty
);
747 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
748 "Cannot determine VT number from virtual console TTY %s", tty
);
752 else if (vtnr
!= (uint32_t) v
)
753 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
754 "Specified TTY and VT number do not match");
756 } else if (tty_is_console(tty
)) {
760 else if (seat
!= m
->seat0
)
761 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
762 "Console TTY specified but seat is not seat0");
765 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
766 "Console TTY specified but VT number is not 0");
770 if (seat_has_vts(seat
)) {
771 if (vtnr
<= 0 || vtnr
> 63)
772 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
773 "VT number out of range");
776 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
777 "Seat has no VTs but VT number not 0");
781 if (t
== _SESSION_TYPE_INVALID
) {
782 if (!isempty(display
))
784 else if (!isempty(tty
))
787 t
= SESSION_UNSPECIFIED
;
790 if (c
== _SESSION_CLASS_INVALID
) {
791 if (t
== SESSION_UNSPECIFIED
)
792 c
= SESSION_BACKGROUND
;
798 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
800 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_PID
, &creds
);
804 r
= sd_bus_creds_get_pid(creds
, (pid_t
*) &leader
);
809 /* Check if we are already in a logind session. Or if we are in user@.service
810 * which is a special PAM session that avoids creating a logind session. */
811 r
= manager_get_user_by_pid(m
, leader
, NULL
);
815 return sd_bus_error_setf(error
, BUS_ERROR_SESSION_BUSY
,
816 "Already running in a session or user slice");
819 * Old gdm and lightdm start the user-session on the same VT as
820 * the greeter session. But they destroy the greeter session
821 * after the user-session and want the user-session to take
822 * over the VT. We need to support this for
823 * backwards-compatibility, so make sure we allow new sessions
824 * on a VT that a greeter is running on. Furthermore, to allow
825 * re-logins, we have to allow a greeter to take over a used VT for
826 * the exact same reasons.
828 if (c
!= SESSION_GREETER
&&
830 vtnr
< m
->seat0
->position_count
&&
831 m
->seat0
->positions
[vtnr
] &&
832 m
->seat0
->positions
[vtnr
]->class != SESSION_GREETER
)
833 return sd_bus_error_setf(error
, BUS_ERROR_SESSION_BUSY
, "Already occupied by a session");
835 if (hashmap_size(m
->sessions
) >= m
->sessions_max
)
836 return sd_bus_error_setf(error
, SD_BUS_ERROR_LIMITS_EXCEEDED
,
837 "Maximum number of sessions (%" PRIu64
") reached, refusing further sessions.",
840 (void) audit_session_from_pid(leader
, &audit_id
);
841 if (audit_session_is_valid(audit_id
)) {
842 /* Keep our session IDs and the audit session IDs in sync */
844 if (asprintf(&id
, "%"PRIu32
, audit_id
) < 0)
847 /* Wut? There's already a session by this name and we didn't find it above? Weird, then let's
848 * not trust the audit data and let's better register a new ID */
849 if (hashmap_contains(m
->sessions
, id
)) {
850 log_warning("Existing logind session ID %s used by new audit session, ignoring.", id
);
851 audit_id
= AUDIT_SESSION_INVALID
;
860 if (asprintf(&id
, "c%lu", ++m
->session_counter
) < 0)
863 } while (hashmap_contains(m
->sessions
, id
));
866 /* The generated names should not clash with 'auto' or 'self' */
867 assert(!SESSION_IS_SELF(id
));
868 assert(!SESSION_IS_AUTO(id
));
870 /* If we are not watching utmp already, try again */
871 manager_reconnect_utmp(m
);
873 r
= manager_add_user_by_uid(m
, uid
, &user
);
877 r
= manager_add_session(m
, id
, &session
);
881 session_set_user(session
, user
);
882 r
= session_set_leader(session
, leader
);
886 session
->original_type
= session
->type
= t
;
888 session
->remote
= remote
;
889 session
->vtnr
= vtnr
;
892 session
->tty
= strdup(tty
);
898 session
->tty_validity
= TTY_FROM_PAM
;
901 if (!isempty(display
)) {
902 session
->display
= strdup(display
);
903 if (!session
->display
) {
909 if (!isempty(remote_user
)) {
910 session
->remote_user
= strdup(remote_user
);
911 if (!session
->remote_user
) {
917 if (!isempty(remote_host
)) {
918 session
->remote_host
= strdup(remote_host
);
919 if (!session
->remote_host
) {
925 if (!isempty(service
)) {
926 session
->service
= strdup(service
);
927 if (!session
->service
) {
933 if (!isempty(desktop
)) {
934 session
->desktop
= strdup(desktop
);
935 if (!session
->desktop
) {
942 r
= seat_attach_session(seat
, session
);
947 r
= sd_bus_message_enter_container(message
, 'a', "(sv)");
951 r
= session_start(session
, message
, error
);
955 r
= sd_bus_message_exit_container(message
);
959 session
->create_message
= sd_bus_message_ref(message
);
961 /* Now, let's wait until the slice unit and stuff got created. We send the reply back from
962 * session_send_create_reply(). */
968 session_add_to_gc_queue(session
);
971 user_add_to_gc_queue(user
);
976 static int method_release_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
977 Manager
*m
= userdata
;
985 r
= sd_bus_message_read(message
, "s", &name
);
989 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
993 r
= session_release(session
);
997 return sd_bus_reply_method_return(message
, NULL
);
1000 static int method_activate_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1001 Manager
*m
= userdata
;
1009 r
= sd_bus_message_read(message
, "s", &name
);
1013 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
1017 /* PolicyKit is done by bus_session_method_activate() */
1019 return bus_session_method_activate(message
, session
, error
);
1022 static int method_activate_session_on_seat(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1023 const char *session_name
, *seat_name
;
1024 Manager
*m
= userdata
;
1032 /* Same as ActivateSession() but refuses to work if the seat doesn't match */
1034 r
= sd_bus_message_read(message
, "ss", &session_name
, &seat_name
);
1038 r
= manager_get_session_from_creds(m
, message
, session_name
, error
, &session
);
1042 r
= manager_get_seat_from_creds(m
, message
, seat_name
, error
, &seat
);
1046 if (session
->seat
!= seat
)
1047 return sd_bus_error_setf(error
, BUS_ERROR_SESSION_NOT_ON_SEAT
,
1048 "Session %s not on seat %s", session_name
, seat_name
);
1050 r
= bus_verify_polkit_async(
1053 "org.freedesktop.login1.chvt",
1057 &m
->polkit_registry
,
1062 return 1; /* Will call us back */
1064 r
= session_activate(session
);
1068 return sd_bus_reply_method_return(message
, NULL
);
1071 static int method_lock_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1072 Manager
*m
= userdata
;
1080 r
= sd_bus_message_read(message
, "s", &name
);
1084 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
1088 return bus_session_method_lock(message
, session
, error
);
1091 static int method_lock_sessions(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1092 Manager
*m
= userdata
;
1098 r
= bus_verify_polkit_async(
1101 "org.freedesktop.login1.lock-sessions",
1105 &m
->polkit_registry
,
1110 return 1; /* Will call us back */
1112 r
= session_send_lock_all(m
, streq(sd_bus_message_get_member(message
), "LockSessions"));
1116 return sd_bus_reply_method_return(message
, NULL
);
1119 static int method_kill_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1121 Manager
*m
= userdata
;
1128 r
= sd_bus_message_read(message
, "s", &name
);
1132 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
1136 return bus_session_method_kill(message
, session
, error
);
1139 static int method_kill_user(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1140 Manager
*m
= userdata
;
1148 r
= sd_bus_message_read(message
, "u", &uid
);
1152 r
= manager_get_user_from_creds(m
, message
, uid
, error
, &user
);
1156 return bus_user_method_kill(message
, user
, error
);
1159 static int method_terminate_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1160 Manager
*m
= userdata
;
1168 r
= sd_bus_message_read(message
, "s", &name
);
1172 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
1176 return bus_session_method_terminate(message
, session
, error
);
1179 static int method_terminate_user(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1180 Manager
*m
= userdata
;
1188 r
= sd_bus_message_read(message
, "u", &uid
);
1192 r
= manager_get_user_from_creds(m
, message
, uid
, error
, &user
);
1196 return bus_user_method_terminate(message
, user
, error
);
1199 static int method_terminate_seat(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1200 Manager
*m
= userdata
;
1208 r
= sd_bus_message_read(message
, "s", &name
);
1212 r
= manager_get_seat_from_creds(m
, message
, name
, error
, &seat
);
1216 return bus_seat_method_terminate(message
, seat
, error
);
1219 static int method_set_user_linger(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1220 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
1221 _cleanup_free_
char *cc
= NULL
;
1222 Manager
*m
= userdata
;
1223 int r
, b
, interactive
;
1226 uint32_t uid
, auth_uid
;
1231 r
= sd_bus_message_read(message
, "ubb", &uid
, &b
, &interactive
);
1235 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_EUID
|
1236 SD_BUS_CREDS_OWNER_UID
|SD_BUS_CREDS_AUGMENT
, &creds
);
1240 if (!uid_is_valid(uid
)) {
1241 /* Note that we get the owner UID of the session or user unit,
1242 * not the actual client UID here! */
1243 r
= sd_bus_creds_get_owner_uid(creds
, &uid
);
1248 /* owner_uid is racy, so for authorization we must use euid */
1249 r
= sd_bus_creds_get_euid(creds
, &auth_uid
);
1256 return errno_or_else(ENOENT
);
1258 r
= bus_verify_polkit_async(
1261 uid
== auth_uid
? "org.freedesktop.login1.set-self-linger" :
1262 "org.freedesktop.login1.set-user-linger",
1266 &m
->polkit_registry
,
1271 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1273 (void) mkdir_p_label("/var/lib/systemd", 0755);
1274 r
= mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0, MKDIR_WARN_MODE
);
1278 cc
= cescape(pw
->pw_name
);
1282 path
= strjoina("/var/lib/systemd/linger/", cc
);
1290 if (manager_add_user_by_uid(m
, uid
, &u
) >= 0)
1297 if (r
< 0 && errno
!= ENOENT
)
1300 u
= hashmap_get(m
->users
, UID_TO_PTR(uid
));
1302 user_add_to_gc_queue(u
);
1305 return sd_bus_reply_method_return(message
, NULL
);
1308 static int trigger_device(Manager
*m
, sd_device
*d
) {
1309 _cleanup_(sd_device_enumerator_unrefp
) sd_device_enumerator
*e
= NULL
;
1314 r
= sd_device_enumerator_new(&e
);
1318 r
= sd_device_enumerator_allow_uninitialized(e
);
1323 r
= sd_device_enumerator_add_match_parent(e
, d
);
1328 FOREACH_DEVICE(e
, d
) {
1329 _cleanup_free_
char *t
= NULL
;
1332 r
= sd_device_get_syspath(d
, &p
);
1336 t
= path_join(p
, "uevent");
1340 (void) write_string_file(t
, "change", WRITE_STRING_FILE_DISABLE_BUFFER
);
1346 static int attach_device(Manager
*m
, const char *seat
, const char *sysfs
) {
1347 _cleanup_(sd_device_unrefp
) sd_device
*d
= NULL
;
1348 _cleanup_free_
char *rule
= NULL
, *file
= NULL
;
1349 const char *id_for_seat
;
1356 r
= sd_device_new_from_syspath(&d
, sysfs
);
1360 if (sd_device_has_current_tag(d
, "seat") <= 0)
1363 if (sd_device_get_property_value(d
, "ID_FOR_SEAT", &id_for_seat
) < 0)
1366 if (asprintf(&file
, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat
) < 0)
1369 if (asprintf(&rule
, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat
, seat
) < 0)
1372 (void) mkdir_p_label("/etc/udev/rules.d", 0755);
1373 r
= write_string_file_atomic_label(file
, rule
);
1377 return trigger_device(m
, d
);
1380 static int flush_devices(Manager
*m
) {
1381 _cleanup_closedir_
DIR *d
;
1385 d
= opendir("/etc/udev/rules.d");
1387 if (errno
!= ENOENT
)
1388 log_warning_errno(errno
, "Failed to open /etc/udev/rules.d: %m");
1392 FOREACH_DIRENT_ALL(de
, d
, break) {
1393 dirent_ensure_type(d
, de
);
1394 if (!dirent_is_file(de
))
1397 if (!startswith(de
->d_name
, "72-seat-"))
1400 if (!endswith(de
->d_name
, ".rules"))
1403 if (unlinkat(dirfd(d
), de
->d_name
, 0) < 0)
1404 log_warning_errno(errno
, "Failed to unlink %s: %m", de
->d_name
);
1408 return trigger_device(m
, NULL
);
1411 static int method_attach_device(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1412 const char *sysfs
, *seat
;
1413 Manager
*m
= userdata
;
1419 r
= sd_bus_message_read(message
, "ssb", &seat
, &sysfs
, &interactive
);
1423 if (!path_is_normalized(sysfs
))
1424 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Path %s is not normalized", sysfs
);
1425 if (!path_startswith(sysfs
, "/sys"))
1426 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Path %s is not in /sys", sysfs
);
1428 if (SEAT_IS_SELF(seat
) || SEAT_IS_AUTO(seat
)) {
1431 r
= manager_get_seat_from_creds(m
, message
, seat
, error
, &found
);
1437 } else if (!seat_name_is_valid(seat
)) /* Note that a seat does not have to exist yet for this operation to succeed */
1438 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Seat name %s is not valid", seat
);
1440 r
= bus_verify_polkit_async(
1443 "org.freedesktop.login1.attach-device",
1447 &m
->polkit_registry
,
1452 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1454 r
= attach_device(m
, seat
, sysfs
);
1458 return sd_bus_reply_method_return(message
, NULL
);
1461 static int method_flush_devices(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1462 Manager
*m
= userdata
;
1468 r
= sd_bus_message_read(message
, "b", &interactive
);
1472 r
= bus_verify_polkit_async(
1475 "org.freedesktop.login1.flush-devices",
1479 &m
->polkit_registry
,
1484 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1486 r
= flush_devices(m
);
1490 return sd_bus_reply_method_return(message
, NULL
);
1493 static int have_multiple_sessions(
1501 /* Check for other users' sessions. Greeter sessions do not
1502 * count, and non-login sessions do not count either. */
1503 HASHMAP_FOREACH(session
, m
->sessions
)
1504 if (session
->class == SESSION_USER
&&
1505 session
->user
->user_record
->uid
!= uid
)
1511 static int bus_manager_log_shutdown(
1513 const char *unit_name
) {
1520 if (streq(unit_name
, SPECIAL_POWEROFF_TARGET
)) {
1521 p
= "MESSAGE=System is powering down";
1522 q
= "SHUTDOWN=power-off";
1523 } else if (streq(unit_name
, SPECIAL_REBOOT_TARGET
)) {
1524 p
= "MESSAGE=System is rebooting";
1525 q
= "SHUTDOWN=reboot";
1526 } else if (streq(unit_name
, SPECIAL_HALT_TARGET
)) {
1527 p
= "MESSAGE=System is halting";
1528 q
= "SHUTDOWN=halt";
1529 } else if (streq(unit_name
, SPECIAL_KEXEC_TARGET
)) {
1530 p
= "MESSAGE=System is rebooting with kexec";
1531 q
= "SHUTDOWN=kexec";
1533 p
= "MESSAGE=System is shutting down";
1537 if (isempty(m
->wall_message
))
1538 p
= strjoina(p
, ".");
1540 p
= strjoina(p
, " (", m
->wall_message
, ").");
1542 return log_struct(LOG_NOTICE
,
1543 "MESSAGE_ID=" SD_MESSAGE_SHUTDOWN_STR
,
1548 static int lid_switch_ignore_handler(sd_event_source
*e
, uint64_t usec
, void *userdata
) {
1549 Manager
*m
= userdata
;
1554 m
->lid_switch_ignore_event_source
= sd_event_source_unref(m
->lid_switch_ignore_event_source
);
1558 int manager_set_lid_switch_ignore(Manager
*m
, usec_t until
) {
1563 if (until
<= now(CLOCK_MONOTONIC
))
1566 /* We want to ignore the lid switch for a while after each
1567 * suspend, and after boot-up. Hence let's install a timer for
1568 * this. As long as the event source exists we ignore the lid
1571 if (m
->lid_switch_ignore_event_source
) {
1574 r
= sd_event_source_get_time(m
->lid_switch_ignore_event_source
, &u
);
1581 r
= sd_event_source_set_time(m
->lid_switch_ignore_event_source
, until
);
1583 r
= sd_event_add_time(
1585 &m
->lid_switch_ignore_event_source
,
1588 lid_switch_ignore_handler
, m
);
1593 static int send_prepare_for(Manager
*m
, InhibitWhat w
, bool _active
) {
1594 int active
= _active
;
1597 assert(IN_SET(w
, INHIBIT_SHUTDOWN
, INHIBIT_SLEEP
));
1599 return sd_bus_emit_signal(m
->bus
,
1600 "/org/freedesktop/login1",
1601 "org.freedesktop.login1.Manager",
1602 w
== INHIBIT_SHUTDOWN
? "PrepareForShutdown" : "PrepareForSleep",
1607 static int execute_shutdown_or_sleep(
1610 const char *unit_name
,
1611 sd_bus_error
*error
) {
1613 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
1619 assert(w
< _INHIBIT_WHAT_MAX
);
1622 if (w
== INHIBIT_SHUTDOWN
)
1623 bus_manager_log_shutdown(m
, unit_name
);
1625 r
= bus_call_method(
1631 "ss", unit_name
, "replace-irreversibly");
1635 r
= sd_bus_message_read(reply
, "o", &p
);
1639 r
= free_and_strdup(&m
->action_job
, p
);
1643 m
->action_unit
= unit_name
;
1646 /* Make sure the lid switch is ignored for a while */
1647 manager_set_lid_switch_ignore(m
, now(CLOCK_MONOTONIC
) + m
->holdoff_timeout_usec
);
1652 /* Tell people that they now may take a lock again */
1653 (void) send_prepare_for(m
, w
, false);
1658 int manager_dispatch_delayed(Manager
*manager
, bool timeout
) {
1660 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1661 Inhibitor
*offending
= NULL
;
1666 if (manager
->action_what
== 0 || manager
->action_job
)
1669 if (manager_is_inhibited(manager
, manager
->action_what
, INHIBIT_DELAY
, NULL
, false, false, 0, &offending
)) {
1670 _cleanup_free_
char *comm
= NULL
, *u
= NULL
;
1675 (void) get_process_comm(offending
->pid
, &comm
);
1676 u
= uid_to_name(offending
->uid
);
1678 log_notice("Delay lock is active (UID "UID_FMT
"/%s, PID "PID_FMT
"/%s) but inhibitor timeout is reached.",
1679 offending
->uid
, strna(u
),
1680 offending
->pid
, strna(comm
));
1683 /* Actually do the operation */
1684 r
= execute_shutdown_or_sleep(manager
, manager
->action_what
, manager
->action_unit
, &error
);
1686 log_warning("Error during inhibitor-delayed operation (already returned success to client): %s",
1687 bus_error_message(&error
, r
));
1689 manager
->action_unit
= NULL
;
1690 manager
->action_what
= 0;
1697 static int manager_inhibit_timeout_handler(
1702 Manager
*manager
= userdata
;
1706 assert(manager
->inhibit_timeout_source
== s
);
1708 r
= manager_dispatch_delayed(manager
, true);
1709 return (r
< 0) ? r
: 0;
1712 static int delay_shutdown_or_sleep(
1715 const char *unit_name
) {
1721 assert(w
< _INHIBIT_WHAT_MAX
);
1724 if (m
->inhibit_timeout_source
) {
1725 r
= sd_event_source_set_time_relative(m
->inhibit_timeout_source
, m
->inhibit_delay_max
);
1727 return log_error_errno(r
, "sd_event_source_set_time_relative() failed: %m");
1729 r
= sd_event_source_set_enabled(m
->inhibit_timeout_source
, SD_EVENT_ONESHOT
);
1731 return log_error_errno(r
, "sd_event_source_set_enabled() failed: %m");
1733 r
= sd_event_add_time_relative(
1735 &m
->inhibit_timeout_source
,
1736 CLOCK_MONOTONIC
, m
->inhibit_delay_max
, 0,
1737 manager_inhibit_timeout_handler
, m
);
1742 m
->action_unit
= unit_name
;
1748 int bus_manager_shutdown_or_sleep_now_or_later(
1750 const char *unit_name
,
1752 sd_bus_error
*error
) {
1754 _cleanup_free_
char *load_state
= NULL
;
1761 assert(w
< _INHIBIT_WHAT_MAX
);
1762 assert(!m
->action_job
);
1764 r
= unit_load_state(m
->bus
, unit_name
, &load_state
);
1768 if (!streq(load_state
, "loaded"))
1769 return log_notice_errno(SYNTHETIC_ERRNO(EACCES
),
1770 "Unit %s is %s, refusing operation.",
1771 unit_name
, load_state
);
1773 /* Tell everybody to prepare for shutdown/sleep */
1774 (void) send_prepare_for(m
, w
, true);
1777 m
->inhibit_delay_max
> 0 &&
1778 manager_is_inhibited(m
, w
, INHIBIT_DELAY
, NULL
, false, false, 0, NULL
);
1781 /* Shutdown is delayed, keep in mind what we
1782 * want to do, and start a timeout */
1783 r
= delay_shutdown_or_sleep(m
, w
, unit_name
);
1785 /* Shutdown is not delayed, execute it
1787 r
= execute_shutdown_or_sleep(m
, w
, unit_name
, error
);
1792 static int verify_shutdown_creds(
1794 sd_bus_message
*message
,
1798 const char *action_multiple_sessions
,
1799 const char *action_ignore_inhibit
,
1800 sd_bus_error
*error
) {
1802 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
1803 bool multiple_sessions
, blocked
;
1810 assert(w
<= _INHIBIT_WHAT_MAX
);
1812 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_EUID
, &creds
);
1816 r
= sd_bus_creds_get_euid(creds
, &uid
);
1820 r
= have_multiple_sessions(m
, uid
);
1824 multiple_sessions
= r
> 0;
1825 blocked
= manager_is_inhibited(m
, w
, INHIBIT_BLOCK
, NULL
, false, true, uid
, NULL
);
1827 if (multiple_sessions
&& action_multiple_sessions
) {
1828 r
= bus_verify_polkit_async(message
, CAP_SYS_BOOT
, action_multiple_sessions
, NULL
, interactive
, UID_INVALID
, &m
->polkit_registry
, error
);
1832 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1835 if (blocked
&& action_ignore_inhibit
) {
1836 r
= bus_verify_polkit_async(message
, CAP_SYS_BOOT
, action_ignore_inhibit
, NULL
, interactive
, UID_INVALID
, &m
->polkit_registry
, error
);
1840 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1843 if (!multiple_sessions
&& !blocked
&& action
) {
1844 r
= bus_verify_polkit_async(message
, CAP_SYS_BOOT
, action
, NULL
, interactive
, UID_INVALID
, &m
->polkit_registry
, error
);
1848 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1854 static int method_do_shutdown_or_sleep(
1856 sd_bus_message
*message
,
1857 const char *unit_name
,
1860 const char *action_multiple_sessions
,
1861 const char *action_ignore_inhibit
,
1862 const char *sleep_verb
,
1863 sd_bus_error
*error
) {
1871 assert(w
<= _INHIBIT_WHAT_MAX
);
1873 r
= sd_bus_message_read(message
, "b", &interactive
);
1877 /* Don't allow multiple jobs being executed at the same time */
1878 if (m
->action_what
> 0)
1879 return sd_bus_error_setf(error
, BUS_ERROR_OPERATION_IN_PROGRESS
,
1880 "There's already a shutdown or sleep operation in progress");
1883 r
= can_sleep(sleep_verb
);
1885 return sd_bus_error_set(error
, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED
,
1886 "Not enough swap space for hibernation");
1888 return sd_bus_error_setf(error
, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED
,
1889 "Sleep verb \"%s\" not supported", sleep_verb
);
1894 r
= verify_shutdown_creds(m
, message
, w
, interactive
, action
, action_multiple_sessions
,
1895 action_ignore_inhibit
, error
);
1899 r
= bus_manager_shutdown_or_sleep_now_or_later(m
, unit_name
, w
, error
);
1903 return sd_bus_reply_method_return(message
, NULL
);
1906 static int method_poweroff(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1907 Manager
*m
= userdata
;
1909 return method_do_shutdown_or_sleep(
1911 SPECIAL_POWEROFF_TARGET
,
1913 "org.freedesktop.login1.power-off",
1914 "org.freedesktop.login1.power-off-multiple-sessions",
1915 "org.freedesktop.login1.power-off-ignore-inhibit",
1920 static int method_reboot(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1921 Manager
*m
= userdata
;
1923 return method_do_shutdown_or_sleep(
1925 SPECIAL_REBOOT_TARGET
,
1927 "org.freedesktop.login1.reboot",
1928 "org.freedesktop.login1.reboot-multiple-sessions",
1929 "org.freedesktop.login1.reboot-ignore-inhibit",
1934 static int method_halt(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1935 Manager
*m
= userdata
;
1937 return method_do_shutdown_or_sleep(
1939 SPECIAL_HALT_TARGET
,
1941 "org.freedesktop.login1.halt",
1942 "org.freedesktop.login1.halt-multiple-sessions",
1943 "org.freedesktop.login1.halt-ignore-inhibit",
1948 static int method_suspend(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1949 Manager
*m
= userdata
;
1951 return method_do_shutdown_or_sleep(
1953 SPECIAL_SUSPEND_TARGET
,
1955 "org.freedesktop.login1.suspend",
1956 "org.freedesktop.login1.suspend-multiple-sessions",
1957 "org.freedesktop.login1.suspend-ignore-inhibit",
1962 static int method_hibernate(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1963 Manager
*m
= userdata
;
1965 return method_do_shutdown_or_sleep(
1967 SPECIAL_HIBERNATE_TARGET
,
1969 "org.freedesktop.login1.hibernate",
1970 "org.freedesktop.login1.hibernate-multiple-sessions",
1971 "org.freedesktop.login1.hibernate-ignore-inhibit",
1976 static int method_hybrid_sleep(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1977 Manager
*m
= userdata
;
1979 return method_do_shutdown_or_sleep(
1981 SPECIAL_HYBRID_SLEEP_TARGET
,
1983 "org.freedesktop.login1.hibernate",
1984 "org.freedesktop.login1.hibernate-multiple-sessions",
1985 "org.freedesktop.login1.hibernate-ignore-inhibit",
1990 static int method_suspend_then_hibernate(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1991 Manager
*m
= userdata
;
1993 return method_do_shutdown_or_sleep(
1995 SPECIAL_SUSPEND_THEN_HIBERNATE_TARGET
,
1997 "org.freedesktop.login1.hibernate",
1998 "org.freedesktop.login1.hibernate-multiple-sessions",
1999 "org.freedesktop.login1.hibernate-ignore-inhibit",
2004 static int nologin_timeout_handler(
2009 Manager
*m
= userdata
;
2011 log_info("Creating /run/nologin, blocking further logins...");
2014 create_shutdown_run_nologin_or_warn() >= 0;
2019 static int update_schedule_file(Manager
*m
) {
2020 _cleanup_free_
char *temp_path
= NULL
;
2021 _cleanup_fclose_
FILE *f
= NULL
;
2026 r
= mkdir_safe_label("/run/systemd/shutdown", 0755, 0, 0, MKDIR_WARN_MODE
);
2028 return log_error_errno(r
, "Failed to create shutdown subdirectory: %m");
2030 r
= fopen_temporary("/run/systemd/shutdown/scheduled", &f
, &temp_path
);
2032 return log_error_errno(r
, "Failed to save information about scheduled shutdowns: %m");
2034 (void) fchmod(fileno(f
), 0644);
2040 m
->scheduled_shutdown_timeout
,
2041 m
->enable_wall_messages
,
2042 m
->scheduled_shutdown_type
);
2044 if (!isempty(m
->wall_message
)) {
2045 _cleanup_free_
char *t
;
2047 t
= cescape(m
->wall_message
);
2053 fprintf(f
, "WALL_MESSAGE=%s\n", t
);
2056 r
= fflush_and_check(f
);
2060 if (rename(temp_path
, "/run/systemd/shutdown/scheduled") < 0) {
2068 (void) unlink(temp_path
);
2069 (void) unlink("/run/systemd/shutdown/scheduled");
2071 return log_error_errno(r
, "Failed to write information about scheduled shutdowns: %m");
2074 static void reset_scheduled_shutdown(Manager
*m
) {
2077 m
->scheduled_shutdown_timeout_source
= sd_event_source_unref(m
->scheduled_shutdown_timeout_source
);
2078 m
->wall_message_timeout_source
= sd_event_source_unref(m
->wall_message_timeout_source
);
2079 m
->nologin_timeout_source
= sd_event_source_unref(m
->nologin_timeout_source
);
2081 m
->scheduled_shutdown_type
= mfree(m
->scheduled_shutdown_type
);
2082 m
->scheduled_shutdown_timeout
= 0;
2083 m
->shutdown_dry_run
= false;
2085 if (m
->unlink_nologin
) {
2086 (void) unlink_or_warn("/run/nologin");
2087 m
->unlink_nologin
= false;
2090 (void) unlink("/run/systemd/shutdown/scheduled");
2093 static int manager_scheduled_shutdown_handler(
2098 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
2099 Manager
*m
= userdata
;
2105 if (isempty(m
->scheduled_shutdown_type
))
2108 if (streq(m
->scheduled_shutdown_type
, "poweroff"))
2109 target
= SPECIAL_POWEROFF_TARGET
;
2110 else if (streq(m
->scheduled_shutdown_type
, "reboot"))
2111 target
= SPECIAL_REBOOT_TARGET
;
2112 else if (streq(m
->scheduled_shutdown_type
, "halt"))
2113 target
= SPECIAL_HALT_TARGET
;
2115 assert_not_reached("unexpected shutdown type");
2117 /* Don't allow multiple jobs being executed at the same time */
2118 if (m
->action_what
> 0) {
2120 log_error("Scheduled shutdown to %s failed: shutdown or sleep operation already in progress", target
);
2124 if (m
->shutdown_dry_run
) {
2125 /* We do not process delay inhibitors here. Otherwise, we
2126 * would have to be considered "in progress" (like the check
2127 * above) for some seconds after our admin has seen the final
2130 bus_manager_log_shutdown(m
, target
);
2131 log_info("Running in dry run, suppressing action.");
2132 reset_scheduled_shutdown(m
);
2137 r
= bus_manager_shutdown_or_sleep_now_or_later(m
, target
, INHIBIT_SHUTDOWN
, &error
);
2139 log_error_errno(r
, "Scheduled shutdown to %s failed: %m", target
);
2146 reset_scheduled_shutdown(m
);
2150 static int method_schedule_shutdown(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2151 Manager
*m
= userdata
;
2152 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
2153 const char *action_multiple_sessions
= NULL
;
2154 const char *action_ignore_inhibit
= NULL
;
2155 const char *action
= NULL
;
2159 bool dry_run
= false;
2164 r
= sd_bus_message_read(message
, "st", &type
, &elapse
);
2168 if (startswith(type
, "dry-")) {
2173 if (streq(type
, "poweroff")) {
2174 action
= "org.freedesktop.login1.power-off";
2175 action_multiple_sessions
= "org.freedesktop.login1.power-off-multiple-sessions";
2176 action_ignore_inhibit
= "org.freedesktop.login1.power-off-ignore-inhibit";
2177 } else if (streq(type
, "reboot")) {
2178 action
= "org.freedesktop.login1.reboot";
2179 action_multiple_sessions
= "org.freedesktop.login1.reboot-multiple-sessions";
2180 action_ignore_inhibit
= "org.freedesktop.login1.reboot-ignore-inhibit";
2181 } else if (streq(type
, "halt")) {
2182 action
= "org.freedesktop.login1.halt";
2183 action_multiple_sessions
= "org.freedesktop.login1.halt-multiple-sessions";
2184 action_ignore_inhibit
= "org.freedesktop.login1.halt-ignore-inhibit";
2186 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Unsupported shutdown type");
2188 r
= verify_shutdown_creds(m
, message
, INHIBIT_SHUTDOWN
, false,
2189 action
, action_multiple_sessions
, action_ignore_inhibit
, error
);
2193 if (m
->scheduled_shutdown_timeout_source
) {
2194 r
= sd_event_source_set_time(m
->scheduled_shutdown_timeout_source
, elapse
);
2196 return log_error_errno(r
, "sd_event_source_set_time() failed: %m");
2198 r
= sd_event_source_set_enabled(m
->scheduled_shutdown_timeout_source
, SD_EVENT_ONESHOT
);
2200 return log_error_errno(r
, "sd_event_source_set_enabled() failed: %m");
2202 r
= sd_event_add_time(m
->event
, &m
->scheduled_shutdown_timeout_source
,
2203 CLOCK_REALTIME
, elapse
, 0, manager_scheduled_shutdown_handler
, m
);
2205 return log_error_errno(r
, "sd_event_add_time() failed: %m");
2208 r
= free_and_strdup(&m
->scheduled_shutdown_type
, type
);
2210 m
->scheduled_shutdown_timeout_source
= sd_event_source_unref(m
->scheduled_shutdown_timeout_source
);
2214 m
->shutdown_dry_run
= dry_run
;
2216 if (m
->nologin_timeout_source
) {
2217 r
= sd_event_source_set_time(m
->nologin_timeout_source
, elapse
);
2219 return log_error_errno(r
, "sd_event_source_set_time() failed: %m");
2221 r
= sd_event_source_set_enabled(m
->nologin_timeout_source
, SD_EVENT_ONESHOT
);
2223 return log_error_errno(r
, "sd_event_source_set_enabled() failed: %m");
2225 r
= sd_event_add_time(m
->event
, &m
->nologin_timeout_source
,
2226 CLOCK_REALTIME
, elapse
- 5 * USEC_PER_MINUTE
, 0, nologin_timeout_handler
, m
);
2228 return log_error_errno(r
, "sd_event_add_time() failed: %m");
2231 m
->scheduled_shutdown_timeout
= elapse
;
2233 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_AUGMENT
|SD_BUS_CREDS_TTY
|SD_BUS_CREDS_UID
, &creds
);
2235 const char *tty
= NULL
;
2237 (void) sd_bus_creds_get_uid(creds
, &m
->scheduled_shutdown_uid
);
2238 (void) sd_bus_creds_get_tty(creds
, &tty
);
2240 r
= free_and_strdup(&m
->scheduled_shutdown_tty
, tty
);
2242 m
->scheduled_shutdown_timeout_source
= sd_event_source_unref(m
->scheduled_shutdown_timeout_source
);
2247 r
= manager_setup_wall_message_timer(m
);
2251 r
= update_schedule_file(m
);
2255 return sd_bus_reply_method_return(message
, NULL
);
2258 static int method_cancel_scheduled_shutdown(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2259 Manager
*m
= userdata
;
2265 cancelled
= m
->scheduled_shutdown_type
!= NULL
;
2266 reset_scheduled_shutdown(m
);
2268 if (cancelled
&& m
->enable_wall_messages
) {
2269 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
2270 _cleanup_free_
char *username
= NULL
;
2271 const char *tty
= NULL
;
2275 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_AUGMENT
|SD_BUS_CREDS_TTY
|SD_BUS_CREDS_UID
, &creds
);
2277 (void) sd_bus_creds_get_uid(creds
, &uid
);
2278 (void) sd_bus_creds_get_tty(creds
, &tty
);
2281 username
= uid_to_name(uid
);
2282 utmp_wall("The system shutdown has been cancelled",
2283 username
, tty
, logind_wall_tty_filter
, m
);
2286 return sd_bus_reply_method_return(message
, "b", cancelled
);
2289 static int method_can_shutdown_or_sleep(
2291 sd_bus_message
*message
,
2294 const char *action_multiple_sessions
,
2295 const char *action_ignore_inhibit
,
2296 const char *sleep_verb
,
2297 sd_bus_error
*error
) {
2299 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
2300 HandleAction handle
;
2301 bool multiple_sessions
, challenge
, blocked
;
2302 const char *result
= NULL
;
2309 assert(w
<= _INHIBIT_WHAT_MAX
);
2311 assert(action_multiple_sessions
);
2312 assert(action_ignore_inhibit
);
2315 r
= can_sleep(sleep_verb
);
2316 if (IN_SET(r
, 0, -ENOSPC
))
2317 return sd_bus_reply_method_return(message
, "s", "na");
2322 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_EUID
, &creds
);
2326 r
= sd_bus_creds_get_euid(creds
, &uid
);
2330 r
= have_multiple_sessions(m
, uid
);
2334 multiple_sessions
= r
> 0;
2335 blocked
= manager_is_inhibited(m
, w
, INHIBIT_BLOCK
, NULL
, false, true, uid
, NULL
);
2337 handle
= handle_action_from_string(sleep_verb
);
2341 target
= manager_target_for_action(handle
);
2343 _cleanup_free_
char *load_state
= NULL
;
2345 r
= unit_load_state(m
->bus
, target
, &load_state
);
2349 if (!streq(load_state
, "loaded")) {
2356 if (multiple_sessions
) {
2357 r
= bus_test_polkit(message
, CAP_SYS_BOOT
, action_multiple_sessions
, NULL
, UID_INVALID
, &challenge
, error
);
2364 result
= "challenge";
2370 r
= bus_test_polkit(message
, CAP_SYS_BOOT
, action_ignore_inhibit
, NULL
, UID_INVALID
, &challenge
, error
);
2377 } else if (challenge
) {
2378 if (!result
|| streq(result
, "yes"))
2379 result
= "challenge";
2384 if (!multiple_sessions
&& !blocked
) {
2385 /* If neither inhibit nor multiple sessions
2386 * apply then just check the normal policy */
2388 r
= bus_test_polkit(message
, CAP_SYS_BOOT
, action
, NULL
, UID_INVALID
, &challenge
, error
);
2395 result
= "challenge";
2401 return sd_bus_reply_method_return(message
, "s", result
);
2404 static int method_can_poweroff(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2405 Manager
*m
= userdata
;
2407 return method_can_shutdown_or_sleep(
2410 "org.freedesktop.login1.power-off",
2411 "org.freedesktop.login1.power-off-multiple-sessions",
2412 "org.freedesktop.login1.power-off-ignore-inhibit",
2417 static int method_can_reboot(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2418 Manager
*m
= userdata
;
2420 return method_can_shutdown_or_sleep(
2423 "org.freedesktop.login1.reboot",
2424 "org.freedesktop.login1.reboot-multiple-sessions",
2425 "org.freedesktop.login1.reboot-ignore-inhibit",
2430 static int method_can_halt(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2431 Manager
*m
= userdata
;
2433 return method_can_shutdown_or_sleep(
2436 "org.freedesktop.login1.halt",
2437 "org.freedesktop.login1.halt-multiple-sessions",
2438 "org.freedesktop.login1.halt-ignore-inhibit",
2443 static int method_can_suspend(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2444 Manager
*m
= userdata
;
2446 return method_can_shutdown_or_sleep(
2449 "org.freedesktop.login1.suspend",
2450 "org.freedesktop.login1.suspend-multiple-sessions",
2451 "org.freedesktop.login1.suspend-ignore-inhibit",
2456 static int method_can_hibernate(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2457 Manager
*m
= userdata
;
2459 return method_can_shutdown_or_sleep(
2462 "org.freedesktop.login1.hibernate",
2463 "org.freedesktop.login1.hibernate-multiple-sessions",
2464 "org.freedesktop.login1.hibernate-ignore-inhibit",
2469 static int method_can_hybrid_sleep(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2470 Manager
*m
= userdata
;
2472 return method_can_shutdown_or_sleep(
2475 "org.freedesktop.login1.hibernate",
2476 "org.freedesktop.login1.hibernate-multiple-sessions",
2477 "org.freedesktop.login1.hibernate-ignore-inhibit",
2482 static int method_can_suspend_then_hibernate(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2483 Manager
*m
= userdata
;
2485 return method_can_shutdown_or_sleep(
2488 "org.freedesktop.login1.hibernate",
2489 "org.freedesktop.login1.hibernate-multiple-sessions",
2490 "org.freedesktop.login1.hibernate-ignore-inhibit",
2491 "suspend-then-hibernate",
2495 static int property_get_reboot_parameter(
2498 const char *interface
,
2499 const char *property
,
2500 sd_bus_message
*reply
,
2502 sd_bus_error
*error
) {
2503 _cleanup_free_
char *parameter
= NULL
;
2510 r
= read_reboot_parameter(¶meter
);
2514 return sd_bus_message_append(reply
, "s", parameter
);
2517 static int method_set_reboot_parameter(
2518 sd_bus_message
*message
,
2520 sd_bus_error
*error
) {
2522 Manager
*m
= userdata
;
2529 r
= sd_bus_message_read(message
, "s", &arg
);
2533 r
= detect_container();
2537 return sd_bus_error_setf(error
, SD_BUS_ERROR_NOT_SUPPORTED
,
2538 "Reboot parameter not supported in containers, refusing.");
2540 r
= bus_verify_polkit_async(message
,
2542 "org.freedesktop.login1.set-reboot-parameter",
2546 &m
->polkit_registry
,
2551 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2553 r
= update_reboot_parameter_and_warn(arg
, false);
2557 return sd_bus_reply_method_return(message
, NULL
);
2560 static int method_can_reboot_parameter(
2561 sd_bus_message
*message
,
2563 sd_bus_error
*error
) {
2565 _unused_ Manager
*m
= userdata
;
2571 r
= detect_container();
2574 if (r
> 0) /* Inside containers, specifying a reboot parameter, doesn't make much sense */
2575 return sd_bus_reply_method_return(message
, "s", "na");
2577 return return_test_polkit(
2580 "org.freedesktop.login1.set-reboot-parameter",
2586 static int property_get_reboot_to_firmware_setup(
2589 const char *interface
,
2590 const char *property
,
2591 sd_bus_message
*reply
,
2593 sd_bus_error
*error
) {
2600 r
= getenv_bool("SYSTEMD_REBOOT_TO_FIRMWARE_SETUP");
2602 /* EFI case: let's see what is currently configured in the EFI variables */
2603 r
= efi_get_reboot_to_firmware();
2604 if (r
< 0 && r
!= -EOPNOTSUPP
)
2605 log_warning_errno(r
, "Failed to determine reboot-to-firmware-setup state: %m");
2607 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP: %m");
2609 /* Non-EFI case: let's see whether /run/systemd/reboot-to-firmware-setup exists. */
2610 if (access("/run/systemd/reboot-to-firmware-setup", F_OK
) < 0) {
2611 if (errno
!= ENOENT
)
2612 log_warning_errno(errno
, "Failed to check whether /run/systemd/reboot-to-firmware-setup exists: %m");
2619 return sd_bus_message_append(reply
, "b", r
> 0);
2622 static int method_set_reboot_to_firmware_setup(
2623 sd_bus_message
*message
,
2625 sd_bus_error
*error
) {
2627 Manager
*m
= userdata
;
2634 r
= sd_bus_message_read(message
, "b", &b
);
2638 r
= getenv_bool("SYSTEMD_REBOOT_TO_FIRMWARE_SETUP");
2640 /* EFI case: let's see what the firmware supports */
2642 r
= efi_reboot_to_firmware_supported();
2643 if (r
== -EOPNOTSUPP
)
2644 return sd_bus_error_setf(error
, SD_BUS_ERROR_NOT_SUPPORTED
, "Firmware does not support boot into firmware.");
2650 } else if (r
<= 0) {
2651 /* non-EFI case: $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP is set to off */
2654 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP: %m");
2656 return sd_bus_error_setf(error
, SD_BUS_ERROR_NOT_SUPPORTED
, "Firmware does not support boot into firmware.");
2658 /* non-EFI case: $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP is set to on */
2661 r
= bus_verify_polkit_async(message
,
2663 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2667 &m
->polkit_registry
,
2672 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2675 r
= efi_set_reboot_to_firmware(b
);
2680 r
= touch("/run/systemd/reboot-to-firmware-setup");
2684 if (unlink("/run/systemd/reboot-to-firmware-setup") < 0 && errno
!= ENOENT
)
2689 return sd_bus_reply_method_return(message
, NULL
);
2692 static int method_can_reboot_to_firmware_setup(
2693 sd_bus_message
*message
,
2695 sd_bus_error
*error
) {
2697 _unused_ Manager
*m
= userdata
;
2703 r
= getenv_bool("SYSTEMD_REBOOT_TO_FIRMWARE_SETUP");
2705 /* EFI case: let's see what the firmware supports */
2707 r
= efi_reboot_to_firmware_supported();
2709 if (r
!= -EOPNOTSUPP
)
2710 log_warning_errno(r
, "Failed to determine whether reboot to firmware is supported: %m");
2712 return sd_bus_reply_method_return(message
, "s", "na");
2715 } else if (r
<= 0) {
2716 /* Non-EFI case: let's trust $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP */
2719 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP: %m");
2721 return sd_bus_reply_method_return(message
, "s", "na");
2724 return return_test_polkit(
2727 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2733 static int property_get_reboot_to_boot_loader_menu(
2736 const char *interface
,
2737 const char *property
,
2738 sd_bus_message
*reply
,
2740 sd_bus_error
*error
) {
2742 uint64_t x
= UINT64_MAX
;
2749 r
= getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU");
2751 /* EFI case: returns the current value of LoaderConfigTimeoutOneShot. Three cases are distuingished:
2753 * 1. Variable not set, boot into boot loader menu is not enabled (we return UINT64_MAX to the user)
2754 * 2. Variable set to "0", boot into boot loader menu is enabled with no timeout (we return 0 to the user)
2755 * 3. Variable set to numeric value formatted in ASCII, boot into boot loader menu with the specified timeout in seconds
2758 r
= efi_loader_get_config_timeout_one_shot(&x
);
2761 log_warning_errno(r
, "Failed to read LoaderConfigTimeoutOneShot variable, ignoring: %m");
2765 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU: %m");
2767 _cleanup_free_
char *v
= NULL
;
2769 /* Non-EFI case, let's process /run/systemd/reboot-to-boot-loader-menu. */
2771 r
= read_one_line_file("/run/systemd/reboot-to-boot-loader-menu", &v
);
2774 log_warning_errno(r
, "Failed to read /run/systemd/reboot-to-boot-loader-menu: %m");
2776 r
= safe_atou64(v
, &x
);
2778 log_warning_errno(r
, "Failed to parse /run/systemd/reboot-to-boot-loader-menu: %m");
2782 return sd_bus_message_append(reply
, "t", x
);
2785 static int method_set_reboot_to_boot_loader_menu(
2786 sd_bus_message
*message
,
2788 sd_bus_error
*error
) {
2790 Manager
*m
= userdata
;
2798 r
= sd_bus_message_read(message
, "t", &x
);
2802 r
= getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU");
2806 /* EFI case: let's see if booting into boot loader menu is supported. */
2808 r
= efi_loader_get_features(&features
);
2810 log_warning_errno(r
, "Failed to determine whether reboot to boot loader menu is supported: %m");
2811 if (r
< 0 || !FLAGS_SET(features
, EFI_LOADER_FEATURE_CONFIG_TIMEOUT_ONE_SHOT
))
2812 return sd_bus_error_setf(error
, SD_BUS_ERROR_NOT_SUPPORTED
, "Boot loader does not support boot into boot loader menu.");
2816 } else if (r
<= 0) {
2817 /* non-EFI case: $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU is set to off */
2820 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU: %m");
2822 return sd_bus_error_setf(error
, SD_BUS_ERROR_NOT_SUPPORTED
, "Boot loader does not support boot into boot loader menu.");
2824 /* non-EFI case: $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU is set to on */
2827 r
= bus_verify_polkit_async(message
,
2829 "org.freedesktop.login1.set-reboot-to-boot-loader-menu",
2833 &m
->polkit_registry
,
2838 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2841 if (x
== UINT64_MAX
)
2842 r
= efi_set_variable(EFI_VENDOR_LOADER
, "LoaderConfigTimeoutOneShot", NULL
, 0);
2844 char buf
[DECIMAL_STR_MAX(uint64_t) + 1];
2845 xsprintf(buf
, "%" PRIu64
, DIV_ROUND_UP(x
, USEC_PER_SEC
)); /* second granularity */
2847 r
= efi_set_variable_string(EFI_VENDOR_LOADER
, "LoaderConfigTimeoutOneShot", buf
);
2852 if (x
== UINT64_MAX
) {
2853 if (unlink("/run/systemd/reboot-to-boot-loader-menu") < 0 && errno
!= ENOENT
)
2856 char buf
[DECIMAL_STR_MAX(uint64_t) + 1];
2858 xsprintf(buf
, "%" PRIu64
, x
); /* µs granularity */
2860 r
= write_string_file_atomic_label("/run/systemd/reboot-to-boot-loader-menu", buf
);
2866 return sd_bus_reply_method_return(message
, NULL
);
2869 static int method_can_reboot_to_boot_loader_menu(
2870 sd_bus_message
*message
,
2872 sd_bus_error
*error
) {
2874 _unused_ Manager
*m
= userdata
;
2880 r
= getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU");
2882 uint64_t features
= 0;
2884 /* EFI case, let's see if booting into boot loader menu is supported. */
2886 r
= efi_loader_get_features(&features
);
2888 log_warning_errno(r
, "Failed to determine whether reboot to boot loader menu is supported: %m");
2889 if (r
< 0 || !FLAGS_SET(features
, EFI_LOADER_FEATURE_CONFIG_TIMEOUT_ONE_SHOT
))
2890 return sd_bus_reply_method_return(message
, "s", "na");
2892 } else if (r
<= 0) {
2893 /* Non-EFI case: let's trust $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU */
2896 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU: %m");
2898 return sd_bus_reply_method_return(message
, "s", "na");
2901 return return_test_polkit(
2904 "org.freedesktop.login1.set-reboot-to-boot-loader-menu",
2910 static int property_get_reboot_to_boot_loader_entry(
2913 const char *interface
,
2914 const char *property
,
2915 sd_bus_message
*reply
,
2917 sd_bus_error
*error
) {
2919 _cleanup_free_
char *v
= NULL
;
2920 Manager
*m
= userdata
;
2921 const char *x
= NULL
;
2928 r
= getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY");
2930 /* EFI case: let's read the LoaderEntryOneShot variable */
2932 r
= efi_loader_update_entry_one_shot_cache(&m
->efi_loader_entry_one_shot
, &m
->efi_loader_entry_one_shot_stat
);
2935 log_warning_errno(r
, "Failed to read LoaderEntryOneShot variable, ignoring: %m");
2937 x
= m
->efi_loader_entry_one_shot
;
2940 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY: %m");
2943 /* Non-EFI case, let's process /run/systemd/reboot-to-boot-loader-entry. */
2945 r
= read_one_line_file("/run/systemd/reboot-to-boot-loader-entry", &v
);
2948 log_warning_errno(r
, "Failed to read /run/systemd/reboot-to-boot-loader-entry, ignoring: %m");
2949 } else if (!efi_loader_entry_name_valid(v
))
2950 log_warning("/run/systemd/reboot-to-boot-loader-entry is not valid, ignoring.");
2955 return sd_bus_message_append(reply
, "s", x
);
2958 static int boot_loader_entry_exists(Manager
*m
, const char *id
) {
2959 _cleanup_(boot_config_free
) BootConfig config
= {};
2965 r
= boot_entries_load_config_auto(NULL
, NULL
, &config
);
2966 if (r
< 0 && r
!= -ENOKEY
) /* don't complain if no GPT is found, hence skip ENOKEY */
2969 r
= manager_read_efi_boot_loader_entries(m
);
2971 (void) boot_entries_augment_from_loader(&config
, m
->efi_boot_loader_entries
, true);
2973 return boot_config_has_entry(&config
, id
);
2976 static int method_set_reboot_to_boot_loader_entry(
2977 sd_bus_message
*message
,
2979 sd_bus_error
*error
) {
2981 Manager
*m
= userdata
;
2989 r
= sd_bus_message_read(message
, "s", &v
);
2995 else if (efi_loader_entry_name_valid(v
)) {
2996 r
= boot_loader_entry_exists(m
, v
);
3000 return sd_bus_error_setf(error
, SD_BUS_ERROR_NOT_SUPPORTED
, "Boot loader entry '%s' is not known.", v
);
3002 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Boot loader entry name '%s' is not valid, refusing.", v
);
3004 r
= getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY");
3008 /* EFI case: let's see if booting into boot loader entry is supported. */
3010 r
= efi_loader_get_features(&features
);
3012 log_warning_errno(r
, "Failed to determine whether reboot into boot loader entry is supported: %m");
3013 if (r
< 0 || !FLAGS_SET(features
, EFI_LOADER_FEATURE_ENTRY_ONESHOT
))
3014 return sd_bus_error_setf(error
, SD_BUS_ERROR_NOT_SUPPORTED
, "Loader does not support boot into boot loader entry.");
3018 } else if (r
<= 0) {
3019 /* non-EFI case: $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY is set to off */
3022 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY: %m");
3024 return sd_bus_error_setf(error
, SD_BUS_ERROR_NOT_SUPPORTED
, "Loader does not support boot into boot loader entry.");
3026 /* non-EFI case: $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY is set to on */
3029 r
= bus_verify_polkit_async(message
,
3031 "org.freedesktop.login1.set-reboot-to-boot-loader-entry",
3035 &m
->polkit_registry
,
3040 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
3045 r
= efi_set_variable(EFI_VENDOR_LOADER
, "LoaderEntryOneShot", NULL
, 0);
3047 r
= efi_set_variable_string(EFI_VENDOR_LOADER
, "LoaderEntryOneShot", v
);
3052 if (unlink("/run/systemd/reboot-to-boot-loader-entry") < 0 && errno
!= ENOENT
)
3055 r
= write_string_file_atomic_label("/run/systemd/reboot-boot-to-loader-entry", v
);
3061 return sd_bus_reply_method_return(message
, NULL
);
3064 static int method_can_reboot_to_boot_loader_entry(
3065 sd_bus_message
*message
,
3067 sd_bus_error
*error
) {
3069 _unused_ Manager
*m
= userdata
;
3075 r
= getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY");
3077 uint64_t features
= 0;
3079 /* EFI case, let's see if booting into boot loader entry is supported. */
3081 r
= efi_loader_get_features(&features
);
3083 log_warning_errno(r
, "Failed to determine whether reboot to boot loader entry is supported: %m");
3084 if (r
< 0 || !FLAGS_SET(features
, EFI_LOADER_FEATURE_ENTRY_ONESHOT
))
3085 return sd_bus_reply_method_return(message
, "s", "na");
3087 } else if (r
<= 0) {
3088 /* Non-EFI case: let's trust $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY */
3091 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY: %m");
3093 return sd_bus_reply_method_return(message
, "s", "na");
3096 return return_test_polkit(
3099 "org.freedesktop.login1.set-reboot-to-boot-loader-entry",
3105 static int property_get_boot_loader_entries(
3108 const char *interface
,
3109 const char *property
,
3110 sd_bus_message
*reply
,
3112 sd_bus_error
*error
) {
3114 _cleanup_(boot_config_free
) BootConfig config
= {};
3115 Manager
*m
= userdata
;
3123 r
= boot_entries_load_config_auto(NULL
, NULL
, &config
);
3124 if (r
< 0 && r
!= -ENOKEY
) /* don't complain if there's no GPT found */
3127 r
= manager_read_efi_boot_loader_entries(m
);
3129 (void) boot_entries_augment_from_loader(&config
, m
->efi_boot_loader_entries
, true);
3131 r
= sd_bus_message_open_container(reply
, 'a', "s");
3135 for (i
= 0; i
< config
.n_entries
; i
++) {
3136 BootEntry
*e
= config
.entries
+ i
;
3138 r
= sd_bus_message_append(reply
, "s", e
->id
);
3143 return sd_bus_message_close_container(reply
);
3146 static int method_set_wall_message(
3147 sd_bus_message
*message
,
3149 sd_bus_error
*error
) {
3152 Manager
*m
= userdata
;
3154 unsigned enable_wall_messages
;
3159 r
= sd_bus_message_read(message
, "sb", &wall_message
, &enable_wall_messages
);
3163 /* Short-circuit the operation if the desired state is already in place, to
3164 * avoid an unnecessary polkit permission check. */
3165 if (streq_ptr(m
->wall_message
, empty_to_null(wall_message
)) &&
3166 m
->enable_wall_messages
== enable_wall_messages
)
3169 r
= bus_verify_polkit_async(message
,
3171 "org.freedesktop.login1.set-wall-message",
3175 &m
->polkit_registry
,
3180 return 1; /* Will call us back */
3182 r
= free_and_strdup(&m
->wall_message
, empty_to_null(wall_message
));
3186 m
->enable_wall_messages
= enable_wall_messages
;
3189 return sd_bus_reply_method_return(message
, NULL
);
3192 static int method_inhibit(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
3193 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
3194 const char *who
, *why
, *what
, *mode
;
3195 _cleanup_free_
char *id
= NULL
;
3196 _cleanup_close_
int fifo_fd
= -1;
3197 Manager
*m
= userdata
;
3207 r
= sd_bus_message_read(message
, "ssss", &what
, &who
, &why
, &mode
);
3211 w
= inhibit_what_from_string(what
);
3213 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
3214 "Invalid what specification %s", what
);
3216 mm
= inhibit_mode_from_string(mode
);
3218 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
3219 "Invalid mode specification %s", mode
);
3221 /* Delay is only supported for shutdown/sleep */
3222 if (mm
== INHIBIT_DELAY
&& (w
& ~(INHIBIT_SHUTDOWN
|INHIBIT_SLEEP
)))
3223 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
3224 "Delay inhibitors only supported for shutdown and sleep");
3226 /* Don't allow taking delay locks while we are already
3227 * executing the operation. We shouldn't create the impression
3228 * that the lock was successful if the machine is about to go
3229 * down/suspend any moment. */
3230 if (m
->action_what
& w
)
3231 return sd_bus_error_setf(error
, BUS_ERROR_OPERATION_IN_PROGRESS
,
3232 "The operation inhibition has been requested for is already running");
3234 r
= bus_verify_polkit_async(
3237 w
== INHIBIT_SHUTDOWN
? (mm
== INHIBIT_BLOCK
? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") :
3238 w
== INHIBIT_SLEEP
? (mm
== INHIBIT_BLOCK
? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") :
3239 w
== INHIBIT_IDLE
? "org.freedesktop.login1.inhibit-block-idle" :
3240 w
== INHIBIT_HANDLE_POWER_KEY
? "org.freedesktop.login1.inhibit-handle-power-key" :
3241 w
== INHIBIT_HANDLE_SUSPEND_KEY
? "org.freedesktop.login1.inhibit-handle-suspend-key" :
3242 w
== INHIBIT_HANDLE_REBOOT_KEY
? "org.freedesktop.login1.inhibit-handle-reboot-key" :
3243 w
== INHIBIT_HANDLE_HIBERNATE_KEY
? "org.freedesktop.login1.inhibit-handle-hibernate-key" :
3244 "org.freedesktop.login1.inhibit-handle-lid-switch",
3248 &m
->polkit_registry
,
3253 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
3255 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_EUID
|SD_BUS_CREDS_PID
, &creds
);
3259 r
= sd_bus_creds_get_euid(creds
, &uid
);
3263 r
= sd_bus_creds_get_pid(creds
, &pid
);
3267 if (hashmap_size(m
->inhibitors
) >= m
->inhibitors_max
)
3268 return sd_bus_error_setf(error
, SD_BUS_ERROR_LIMITS_EXCEEDED
,
3269 "Maximum number of inhibitors (%" PRIu64
") reached, refusing further inhibitors.",
3275 if (asprintf(&id
, "%lu", ++m
->inhibit_counter
) < 0)
3278 } while (hashmap_get(m
->inhibitors
, id
));
3280 _cleanup_(inhibitor_freep
) Inhibitor
*i
= NULL
;
3281 r
= manager_add_inhibitor(m
, id
, &i
);
3289 i
->why
= strdup(why
);
3290 i
->who
= strdup(who
);
3292 if (!i
->why
|| !i
->who
)
3295 fifo_fd
= inhibitor_create_fifo(i
);
3299 r
= inhibitor_start(i
);
3304 return sd_bus_reply_method_return(message
, "h", fifo_fd
);
3307 static const sd_bus_vtable manager_vtable
[] = {
3308 SD_BUS_VTABLE_START(0),
3310 SD_BUS_WRITABLE_PROPERTY("EnableWallMessages", "b", NULL
, NULL
, offsetof(Manager
, enable_wall_messages
), 0),
3311 SD_BUS_WRITABLE_PROPERTY("WallMessage", "s", NULL
, NULL
, offsetof(Manager
, wall_message
), 0),
3313 SD_BUS_PROPERTY("NAutoVTs", "u", NULL
, offsetof(Manager
, n_autovts
), SD_BUS_VTABLE_PROPERTY_CONST
),
3314 SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL
, offsetof(Manager
, kill_only_users
), SD_BUS_VTABLE_PROPERTY_CONST
),
3315 SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL
, offsetof(Manager
, kill_exclude_users
), SD_BUS_VTABLE_PROPERTY_CONST
),
3316 SD_BUS_PROPERTY("KillUserProcesses", "b", NULL
, offsetof(Manager
, kill_user_processes
), SD_BUS_VTABLE_PROPERTY_CONST
),
3317 SD_BUS_PROPERTY("RebootParameter", "s", property_get_reboot_parameter
, 0, 0),
3318 SD_BUS_PROPERTY("RebootToFirmwareSetup", "b", property_get_reboot_to_firmware_setup
, 0, 0),
3319 SD_BUS_PROPERTY("RebootToBootLoaderMenu", "t", property_get_reboot_to_boot_loader_menu
, 0, 0),
3320 SD_BUS_PROPERTY("RebootToBootLoaderEntry", "s", property_get_reboot_to_boot_loader_entry
, 0, 0),
3321 SD_BUS_PROPERTY("BootLoaderEntries", "as", property_get_boot_loader_entries
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
3322 SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
3323 SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
3324 SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
3325 SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
3326 SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
3327 SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL
, offsetof(Manager
, inhibit_delay_max
), SD_BUS_VTABLE_PROPERTY_CONST
),
3328 SD_BUS_PROPERTY("UserStopDelayUSec", "t", NULL
, offsetof(Manager
, user_stop_delay
), SD_BUS_VTABLE_PROPERTY_CONST
),
3329 SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action
, offsetof(Manager
, handle_power_key
), SD_BUS_VTABLE_PROPERTY_CONST
),
3330 SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action
, offsetof(Manager
, handle_suspend_key
), SD_BUS_VTABLE_PROPERTY_CONST
),
3331 SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action
, offsetof(Manager
, handle_hibernate_key
), SD_BUS_VTABLE_PROPERTY_CONST
),
3332 SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action
, offsetof(Manager
, handle_lid_switch
), SD_BUS_VTABLE_PROPERTY_CONST
),
3333 SD_BUS_PROPERTY("HandleLidSwitchExternalPower", "s", property_get_handle_action
, offsetof(Manager
, handle_lid_switch_ep
), SD_BUS_VTABLE_PROPERTY_CONST
),
3334 SD_BUS_PROPERTY("HandleLidSwitchDocked", "s", property_get_handle_action
, offsetof(Manager
, handle_lid_switch_docked
), SD_BUS_VTABLE_PROPERTY_CONST
),
3335 SD_BUS_PROPERTY("HoldoffTimeoutUSec", "t", NULL
, offsetof(Manager
, holdoff_timeout_usec
), SD_BUS_VTABLE_PROPERTY_CONST
),
3336 SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action
, offsetof(Manager
, idle_action
), SD_BUS_VTABLE_PROPERTY_CONST
),
3337 SD_BUS_PROPERTY("IdleActionUSec", "t", NULL
, offsetof(Manager
, idle_action_usec
), SD_BUS_VTABLE_PROPERTY_CONST
),
3338 SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing
, 0, 0),
3339 SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing
, 0, 0),
3340 SD_BUS_PROPERTY("ScheduledShutdown", "(st)", property_get_scheduled_shutdown
, 0, 0),
3341 SD_BUS_PROPERTY("Docked", "b", property_get_docked
, 0, 0),
3342 SD_BUS_PROPERTY("LidClosed", "b", property_get_lid_closed
, 0, 0),
3343 SD_BUS_PROPERTY("OnExternalPower", "b", property_get_on_external_power
, 0, 0),
3344 SD_BUS_PROPERTY("RemoveIPC", "b", bus_property_get_bool
, offsetof(Manager
, remove_ipc
), SD_BUS_VTABLE_PROPERTY_CONST
),
3345 SD_BUS_PROPERTY("RuntimeDirectorySize", "t", NULL
, offsetof(Manager
, runtime_dir_size
), SD_BUS_VTABLE_PROPERTY_CONST
),
3346 SD_BUS_PROPERTY("RuntimeDirectoryInodesMax", "t", NULL
, offsetof(Manager
, runtime_dir_inodes
), SD_BUS_VTABLE_PROPERTY_CONST
),
3347 SD_BUS_PROPERTY("InhibitorsMax", "t", NULL
, offsetof(Manager
, inhibitors_max
), SD_BUS_VTABLE_PROPERTY_CONST
),
3348 SD_BUS_PROPERTY("NCurrentInhibitors", "t", property_get_hashmap_size
, offsetof(Manager
, inhibitors
), 0),
3349 SD_BUS_PROPERTY("SessionsMax", "t", NULL
, offsetof(Manager
, sessions_max
), SD_BUS_VTABLE_PROPERTY_CONST
),
3350 SD_BUS_PROPERTY("NCurrentSessions", "t", property_get_hashmap_size
, offsetof(Manager
, sessions
), 0),
3351 SD_BUS_PROPERTY("UserTasksMax", "t", property_get_compat_user_tasks_max
, 0, SD_BUS_VTABLE_PROPERTY_CONST
|SD_BUS_VTABLE_HIDDEN
),
3353 SD_BUS_METHOD_WITH_NAMES("GetSession",
3355 SD_BUS_PARAM(session_id
),
3357 SD_BUS_PARAM(object_path
),
3359 SD_BUS_VTABLE_UNPRIVILEGED
),
3360 SD_BUS_METHOD_WITH_NAMES("GetSessionByPID",
3364 SD_BUS_PARAM(object_path
),
3365 method_get_session_by_pid
,
3366 SD_BUS_VTABLE_UNPRIVILEGED
),
3367 SD_BUS_METHOD_WITH_NAMES("GetUser",
3371 SD_BUS_PARAM(object_path
),
3373 SD_BUS_VTABLE_UNPRIVILEGED
),
3374 SD_BUS_METHOD_WITH_NAMES("GetUserByPID",
3378 SD_BUS_PARAM(object_path
),
3379 method_get_user_by_pid
,
3380 SD_BUS_VTABLE_UNPRIVILEGED
),
3381 SD_BUS_METHOD_WITH_NAMES("GetSeat",
3383 SD_BUS_PARAM(seat_id
),
3385 SD_BUS_PARAM(object_path
),
3387 SD_BUS_VTABLE_UNPRIVILEGED
),
3388 SD_BUS_METHOD_WITH_NAMES("ListSessions",
3391 SD_BUS_PARAM(sessions
),
3392 method_list_sessions
,
3393 SD_BUS_VTABLE_UNPRIVILEGED
),
3394 SD_BUS_METHOD_WITH_NAMES("ListUsers",
3397 SD_BUS_PARAM(users
),
3399 SD_BUS_VTABLE_UNPRIVILEGED
),
3400 SD_BUS_METHOD_WITH_NAMES("ListSeats",
3403 SD_BUS_PARAM(seats
),
3405 SD_BUS_VTABLE_UNPRIVILEGED
),
3406 SD_BUS_METHOD_WITH_NAMES("ListInhibitors",
3409 SD_BUS_PARAM(inhibitors
),
3410 method_list_inhibitors
,
3411 SD_BUS_VTABLE_UNPRIVILEGED
),
3412 SD_BUS_METHOD_WITH_NAMES("CreateSession",
3413 "uusssssussbssa(sv)",
3416 SD_BUS_PARAM(service
)
3419 SD_BUS_PARAM(desktop
)
3420 SD_BUS_PARAM(seat_id
)
3423 SD_BUS_PARAM(display
)
3424 SD_BUS_PARAM(remote
)
3425 SD_BUS_PARAM(remote_user
)
3426 SD_BUS_PARAM(remote_host
)
3427 SD_BUS_PARAM(properties
),
3429 SD_BUS_PARAM(session_id
)
3430 SD_BUS_PARAM(object_path
)
3431 SD_BUS_PARAM(runtime_path
)
3432 SD_BUS_PARAM(fifo_fd
)
3434 SD_BUS_PARAM(seat_id
)
3436 SD_BUS_PARAM(existing
),
3437 method_create_session
,
3439 SD_BUS_METHOD_WITH_NAMES("ReleaseSession",
3441 SD_BUS_PARAM(session_id
),
3443 method_release_session
,
3445 SD_BUS_METHOD_WITH_NAMES("ActivateSession",
3447 SD_BUS_PARAM(session_id
),
3449 method_activate_session
,
3450 SD_BUS_VTABLE_UNPRIVILEGED
),
3451 SD_BUS_METHOD_WITH_NAMES("ActivateSessionOnSeat",
3453 SD_BUS_PARAM(session_id
)
3454 SD_BUS_PARAM(seat_id
),
3456 method_activate_session_on_seat
,
3457 SD_BUS_VTABLE_UNPRIVILEGED
),
3458 SD_BUS_METHOD_WITH_NAMES("LockSession",
3460 SD_BUS_PARAM(session_id
),
3462 method_lock_session
,
3463 SD_BUS_VTABLE_UNPRIVILEGED
),
3464 SD_BUS_METHOD_WITH_NAMES("UnlockSession",
3466 SD_BUS_PARAM(session_id
),
3468 method_lock_session
,
3469 SD_BUS_VTABLE_UNPRIVILEGED
),
3470 SD_BUS_METHOD("LockSessions",
3473 method_lock_sessions
,
3474 SD_BUS_VTABLE_UNPRIVILEGED
),
3475 SD_BUS_METHOD("UnlockSessions",
3478 method_lock_sessions
,
3479 SD_BUS_VTABLE_UNPRIVILEGED
),
3480 SD_BUS_METHOD_WITH_NAMES("KillSession",
3482 SD_BUS_PARAM(session_id
)
3484 SD_BUS_PARAM(signal_number
),
3486 method_kill_session
,
3487 SD_BUS_VTABLE_UNPRIVILEGED
),
3488 SD_BUS_METHOD_WITH_NAMES("KillUser",
3491 SD_BUS_PARAM(signal_number
),
3494 SD_BUS_VTABLE_UNPRIVILEGED
),
3495 SD_BUS_METHOD_WITH_NAMES("TerminateSession",
3497 SD_BUS_PARAM(session_id
),
3499 method_terminate_session
,
3500 SD_BUS_VTABLE_UNPRIVILEGED
),
3501 SD_BUS_METHOD_WITH_NAMES("TerminateUser",
3505 method_terminate_user
,
3506 SD_BUS_VTABLE_UNPRIVILEGED
),
3507 SD_BUS_METHOD_WITH_NAMES("TerminateSeat",
3509 SD_BUS_PARAM(seat_id
),
3511 method_terminate_seat
,
3512 SD_BUS_VTABLE_UNPRIVILEGED
),
3513 SD_BUS_METHOD_WITH_NAMES("SetUserLinger",
3516 SD_BUS_PARAM(enable
)
3517 SD_BUS_PARAM(interactive
),
3519 method_set_user_linger
,
3520 SD_BUS_VTABLE_UNPRIVILEGED
),
3521 SD_BUS_METHOD_WITH_NAMES("AttachDevice",
3523 SD_BUS_PARAM(seat_id
)
3524 SD_BUS_PARAM(sysfs_path
)
3525 SD_BUS_PARAM(interactive
),
3527 method_attach_device
,
3528 SD_BUS_VTABLE_UNPRIVILEGED
),
3529 SD_BUS_METHOD_WITH_NAMES("FlushDevices",
3531 SD_BUS_PARAM(interactive
),
3533 method_flush_devices
,
3534 SD_BUS_VTABLE_UNPRIVILEGED
),
3535 SD_BUS_METHOD_WITH_NAMES("PowerOff",
3537 SD_BUS_PARAM(interactive
),
3540 SD_BUS_VTABLE_UNPRIVILEGED
),
3541 SD_BUS_METHOD_WITH_NAMES("Reboot",
3543 SD_BUS_PARAM(interactive
),
3546 SD_BUS_VTABLE_UNPRIVILEGED
),
3547 SD_BUS_METHOD_WITH_NAMES("Halt",
3549 SD_BUS_PARAM(interactive
),
3552 SD_BUS_VTABLE_UNPRIVILEGED
),
3553 SD_BUS_METHOD_WITH_NAMES("Suspend",
3555 SD_BUS_PARAM(interactive
),
3558 SD_BUS_VTABLE_UNPRIVILEGED
),
3559 SD_BUS_METHOD_WITH_NAMES("Hibernate",
3561 SD_BUS_PARAM(interactive
),
3564 SD_BUS_VTABLE_UNPRIVILEGED
),
3565 SD_BUS_METHOD_WITH_NAMES("HybridSleep",
3567 SD_BUS_PARAM(interactive
),
3569 method_hybrid_sleep
,
3570 SD_BUS_VTABLE_UNPRIVILEGED
),
3571 SD_BUS_METHOD_WITH_NAMES("SuspendThenHibernate",
3573 SD_BUS_PARAM(interactive
),
3575 method_suspend_then_hibernate
,
3576 SD_BUS_VTABLE_UNPRIVILEGED
),
3577 SD_BUS_METHOD_WITH_NAMES("CanPowerOff",
3580 SD_BUS_PARAM(result
),
3581 method_can_poweroff
,
3582 SD_BUS_VTABLE_UNPRIVILEGED
),
3583 SD_BUS_METHOD_WITH_NAMES("CanReboot",
3586 SD_BUS_PARAM(result
),
3588 SD_BUS_VTABLE_UNPRIVILEGED
),
3589 SD_BUS_METHOD_WITH_NAMES("CanHalt",
3592 SD_BUS_PARAM(result
),
3594 SD_BUS_VTABLE_UNPRIVILEGED
),
3595 SD_BUS_METHOD_WITH_NAMES("CanSuspend",
3598 SD_BUS_PARAM(result
),
3600 SD_BUS_VTABLE_UNPRIVILEGED
),
3601 SD_BUS_METHOD_WITH_NAMES("CanHibernate",
3604 SD_BUS_PARAM(result
),
3605 method_can_hibernate
,
3606 SD_BUS_VTABLE_UNPRIVILEGED
),
3607 SD_BUS_METHOD_WITH_NAMES("CanHybridSleep",
3610 SD_BUS_PARAM(result
),
3611 method_can_hybrid_sleep
,
3612 SD_BUS_VTABLE_UNPRIVILEGED
),
3613 SD_BUS_METHOD_WITH_NAMES("CanSuspendThenHibernate",
3616 SD_BUS_PARAM(result
),
3617 method_can_suspend_then_hibernate
,
3618 SD_BUS_VTABLE_UNPRIVILEGED
),
3619 SD_BUS_METHOD_WITH_NAMES("ScheduleShutdown",
3624 method_schedule_shutdown
,
3625 SD_BUS_VTABLE_UNPRIVILEGED
),
3626 SD_BUS_METHOD_WITH_NAMES("CancelScheduledShutdown",
3629 SD_BUS_PARAM(cancelled
),
3630 method_cancel_scheduled_shutdown
,
3631 SD_BUS_VTABLE_UNPRIVILEGED
),
3632 SD_BUS_METHOD_WITH_NAMES("Inhibit",
3639 SD_BUS_PARAM(pipe_fd
),
3641 SD_BUS_VTABLE_UNPRIVILEGED
),
3642 SD_BUS_METHOD_WITH_NAMES("CanRebootParameter",
3645 SD_BUS_PARAM(result
),
3646 method_can_reboot_parameter
,
3647 SD_BUS_VTABLE_UNPRIVILEGED
),
3648 SD_BUS_METHOD_WITH_NAMES("SetRebootParameter",
3650 SD_BUS_PARAM(parameter
),
3652 method_set_reboot_parameter
,
3653 SD_BUS_VTABLE_UNPRIVILEGED
),
3654 SD_BUS_METHOD_WITH_NAMES("CanRebootToFirmwareSetup",
3657 SD_BUS_PARAM(result
),
3658 method_can_reboot_to_firmware_setup
,
3659 SD_BUS_VTABLE_UNPRIVILEGED
),
3660 SD_BUS_METHOD_WITH_NAMES("SetRebootToFirmwareSetup",
3662 SD_BUS_PARAM(enable
),
3664 method_set_reboot_to_firmware_setup
,
3665 SD_BUS_VTABLE_UNPRIVILEGED
),
3666 SD_BUS_METHOD_WITH_NAMES("CanRebootToBootLoaderMenu",
3669 SD_BUS_PARAM(result
),
3670 method_can_reboot_to_boot_loader_menu
,
3671 SD_BUS_VTABLE_UNPRIVILEGED
),
3672 SD_BUS_METHOD_WITH_NAMES("SetRebootToBootLoaderMenu",
3674 SD_BUS_PARAM(timeout
),
3676 method_set_reboot_to_boot_loader_menu
,
3677 SD_BUS_VTABLE_UNPRIVILEGED
),
3678 SD_BUS_METHOD_WITH_NAMES("CanRebootToBootLoaderEntry",
3681 SD_BUS_PARAM(result
),
3682 method_can_reboot_to_boot_loader_entry
,
3683 SD_BUS_VTABLE_UNPRIVILEGED
),
3684 SD_BUS_METHOD_WITH_NAMES("SetRebootToBootLoaderEntry",
3686 SD_BUS_PARAM(boot_loader_entry
),
3688 method_set_reboot_to_boot_loader_entry
,
3689 SD_BUS_VTABLE_UNPRIVILEGED
),
3690 SD_BUS_METHOD_WITH_NAMES("SetWallMessage",
3692 SD_BUS_PARAM(wall_message
)
3693 SD_BUS_PARAM(enable
),
3695 method_set_wall_message
,
3696 SD_BUS_VTABLE_UNPRIVILEGED
),
3698 SD_BUS_SIGNAL_WITH_NAMES("SessionNew",
3700 SD_BUS_PARAM(session_id
)
3701 SD_BUS_PARAM(object_path
),
3703 SD_BUS_SIGNAL_WITH_NAMES("SessionRemoved",
3705 SD_BUS_PARAM(session_id
)
3706 SD_BUS_PARAM(object_path
),
3708 SD_BUS_SIGNAL_WITH_NAMES("UserNew",
3711 SD_BUS_PARAM(object_path
),
3713 SD_BUS_SIGNAL_WITH_NAMES("UserRemoved",
3716 SD_BUS_PARAM(object_path
),
3718 SD_BUS_SIGNAL_WITH_NAMES("SeatNew",
3720 SD_BUS_PARAM(seat_id
)
3721 SD_BUS_PARAM(object_path
),
3723 SD_BUS_SIGNAL_WITH_NAMES("SeatRemoved",
3725 SD_BUS_PARAM(seat_id
)
3726 SD_BUS_PARAM(object_path
),
3728 SD_BUS_SIGNAL_WITH_NAMES("PrepareForShutdown",
3730 SD_BUS_PARAM(start
),
3732 SD_BUS_SIGNAL_WITH_NAMES("PrepareForSleep",
3734 SD_BUS_PARAM(start
),
3740 const BusObjectImplementation manager_object
= {
3741 "/org/freedesktop/login1",
3742 "org.freedesktop.login1.Manager",
3743 .vtables
= BUS_VTABLES(manager_vtable
),
3744 .children
= BUS_IMPLEMENTATIONS(&seat_object
,
3749 static int session_jobs_reply(Session
*s
, uint32_t jid
, const char *unit
, const char *result
) {
3756 if (result
&& !streq(result
, "done")) {
3757 _cleanup_(sd_bus_error_free
) sd_bus_error e
= SD_BUS_ERROR_NULL
;
3759 sd_bus_error_setf(&e
, BUS_ERROR_JOB_FAILED
,
3760 "Job %u for unit '%s' failed with '%s'", jid
, unit
, result
);
3761 return session_send_create_reply(s
, &e
);
3764 return session_send_create_reply(s
, NULL
);
3767 int match_job_removed(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
3768 const char *path
, *result
, *unit
;
3769 Manager
*m
= userdata
;
3778 r
= sd_bus_message_read(message
, "uoss", &id
, &path
, &unit
, &result
);
3780 bus_log_parse_error(r
);
3784 if (m
->action_job
&& streq(m
->action_job
, path
)) {
3785 log_info("Operation '%s' finished.", inhibit_what_to_string(m
->action_what
));
3787 /* Tell people that they now may take a lock again */
3788 (void) send_prepare_for(m
, m
->action_what
, false);
3790 m
->action_job
= mfree(m
->action_job
);
3791 m
->action_unit
= NULL
;
3796 session
= hashmap_get(m
->session_units
, unit
);
3798 if (streq_ptr(path
, session
->scope_job
)) {
3799 session
->scope_job
= mfree(session
->scope_job
);
3800 (void) session_jobs_reply(session
, id
, unit
, result
);
3802 session_save(session
);
3803 user_save(session
->user
);
3806 session_add_to_gc_queue(session
);
3809 user
= hashmap_get(m
->user_units
, unit
);
3811 if (streq_ptr(path
, user
->service_job
)) {
3812 user
->service_job
= mfree(user
->service_job
);
3814 LIST_FOREACH(sessions_by_user
, session
, user
->sessions
)
3815 (void) session_jobs_reply(session
, id
, unit
, NULL
/* don't propagate user service failures to the client */);
3820 user_add_to_gc_queue(user
);
3826 int match_unit_removed(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
3827 const char *path
, *unit
;
3828 Manager
*m
= userdata
;
3836 r
= sd_bus_message_read(message
, "so", &unit
, &path
);
3838 bus_log_parse_error(r
);
3842 session
= hashmap_get(m
->session_units
, unit
);
3844 session_add_to_gc_queue(session
);
3846 user
= hashmap_get(m
->user_units
, unit
);
3848 user_add_to_gc_queue(user
);
3853 int match_properties_changed(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
3854 _cleanup_free_
char *unit
= NULL
;
3855 Manager
*m
= userdata
;
3864 path
= sd_bus_message_get_path(message
);
3868 r
= unit_name_from_dbus_path(path
, &unit
);
3869 if (r
== -EINVAL
) /* not a unit */
3876 session
= hashmap_get(m
->session_units
, unit
);
3878 session_add_to_gc_queue(session
);
3880 user
= hashmap_get(m
->user_units
, unit
);
3882 user_add_to_gc_queue(user
);
3887 int match_reloading(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
3888 Manager
*m
= userdata
;
3895 r
= sd_bus_message_read(message
, "b", &b
);
3897 bus_log_parse_error(r
);
3904 /* systemd finished reloading, let's recheck all our sessions */
3905 log_debug("System manager has been reloaded, rechecking sessions...");
3907 HASHMAP_FOREACH(session
, m
->sessions
)
3908 session_add_to_gc_queue(session
);
3913 int manager_send_changed(Manager
*manager
, const char *property
, ...) {
3918 l
= strv_from_stdarg_alloca(property
);
3920 return sd_bus_emit_properties_changed_strv(
3922 "/org/freedesktop/login1",
3923 "org.freedesktop.login1.Manager",
3927 static int strdup_job(sd_bus_message
*reply
, char **job
) {
3932 r
= sd_bus_message_read(reply
, "o", &j
);
3944 int manager_start_scope(
3949 const char *description
,
3952 const char *requires_mounts_for
,
3953 sd_bus_message
*more_properties
,
3954 sd_bus_error
*error
,
3957 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*m
= NULL
, *reply
= NULL
;
3966 r
= bus_message_new_method_call(manager
->bus
, &m
, bus_systemd_mgr
, "StartTransientUnit");
3970 r
= sd_bus_message_append(m
, "ss", strempty(scope
), "fail");
3974 r
= sd_bus_message_open_container(m
, 'a', "(sv)");
3978 if (!isempty(slice
)) {
3979 r
= sd_bus_message_append(m
, "(sv)", "Slice", "s", slice
);
3984 if (!isempty(description
)) {
3985 r
= sd_bus_message_append(m
, "(sv)", "Description", "s", description
);
3990 STRV_FOREACH(i
, wants
) {
3991 r
= sd_bus_message_append(m
, "(sv)", "Wants", "as", 1, *i
);
3996 STRV_FOREACH(i
, after
) {
3997 r
= sd_bus_message_append(m
, "(sv)", "After", "as", 1, *i
);
4002 if (!empty_or_root(requires_mounts_for
)) {
4003 r
= sd_bus_message_append(m
, "(sv)", "RequiresMountsFor", "as", 1, requires_mounts_for
);
4008 /* Make sure that the session shells are terminated with SIGHUP since bash and friends tend to ignore
4010 r
= sd_bus_message_append(m
, "(sv)", "SendSIGHUP", "b", true);
4014 r
= sd_bus_message_append(m
, "(sv)", "PIDs", "au", 1, pid
);
4018 /* disable TasksMax= for the session scope, rely on the slice setting for it */
4019 r
= sd_bus_message_append(m
, "(sv)", "TasksMax", "t", (uint64_t)-1);
4021 return bus_log_create_error(r
);
4023 if (more_properties
) {
4024 /* If TasksMax also appears here, it will overwrite the default value set above */
4025 r
= sd_bus_message_copy(m
, more_properties
, true);
4030 r
= sd_bus_message_close_container(m
);
4034 r
= sd_bus_message_append(m
, "a(sa(sv))", 0);
4038 r
= sd_bus_call(manager
->bus
, m
, 0, error
, &reply
);
4042 return strdup_job(reply
, job
);
4045 int manager_start_unit(Manager
*manager
, const char *unit
, sd_bus_error
*error
, char **job
) {
4046 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
4053 r
= bus_call_method(
4059 "ss", unit
, "replace");
4063 return strdup_job(reply
, job
);
4066 int manager_stop_unit(Manager
*manager
, const char *unit
, const char *job_mode
, sd_bus_error
*error
, char **ret_job
) {
4067 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
4074 r
= bus_call_method(
4080 "ss", unit
, job_mode
?: "fail");
4082 if (sd_bus_error_has_names(error
, BUS_ERROR_NO_SUCH_UNIT
,
4083 BUS_ERROR_LOAD_FAILED
)) {
4086 sd_bus_error_free(error
);
4093 return strdup_job(reply
, ret_job
);
4096 int manager_abandon_scope(Manager
*manager
, const char *scope
, sd_bus_error
*ret_error
) {
4097 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
4098 _cleanup_free_
char *path
= NULL
;
4104 path
= unit_dbus_path_from_name(scope
);
4108 r
= sd_bus_call_method(
4110 "org.freedesktop.systemd1",
4112 "org.freedesktop.systemd1.Scope",
4118 if (sd_bus_error_has_names(&error
, BUS_ERROR_NO_SUCH_UNIT
,
4119 BUS_ERROR_LOAD_FAILED
,
4120 BUS_ERROR_SCOPE_NOT_RUNNING
))
4123 sd_bus_error_move(ret_error
, &error
);
4130 int manager_kill_unit(Manager
*manager
, const char *unit
, KillWho who
, int signo
, sd_bus_error
*error
) {
4134 return bus_call_method(
4140 "ssi", unit
, who
== KILL_LEADER
? "main" : "all", signo
);
4143 int manager_unit_is_active(Manager
*manager
, const char *unit
, sd_bus_error
*ret_error
) {
4144 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
4145 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
4146 _cleanup_free_
char *path
= NULL
;
4153 path
= unit_dbus_path_from_name(unit
);
4157 r
= sd_bus_get_property(
4159 "org.freedesktop.systemd1",
4161 "org.freedesktop.systemd1.Unit",
4167 /* systemd might have dropped off momentarily, let's
4168 * not make this an error */
4169 if (sd_bus_error_has_names(&error
, SD_BUS_ERROR_NO_REPLY
,
4170 SD_BUS_ERROR_DISCONNECTED
))
4173 /* If the unit is already unloaded then it's not
4175 if (sd_bus_error_has_names(&error
, BUS_ERROR_NO_SUCH_UNIT
,
4176 BUS_ERROR_LOAD_FAILED
))
4179 sd_bus_error_move(ret_error
, &error
);
4183 r
= sd_bus_message_read(reply
, "s", &state
);
4187 return !STR_IN_SET(state
, "inactive", "failed");
4190 int manager_job_is_active(Manager
*manager
, const char *path
, sd_bus_error
*ret_error
) {
4191 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
4192 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
4198 r
= sd_bus_get_property(
4200 "org.freedesktop.systemd1",
4202 "org.freedesktop.systemd1.Job",
4208 if (sd_bus_error_has_names(&error
, SD_BUS_ERROR_NO_REPLY
,
4209 SD_BUS_ERROR_DISCONNECTED
))
4212 if (sd_bus_error_has_name(&error
, SD_BUS_ERROR_UNKNOWN_OBJECT
))
4215 sd_bus_error_move(ret_error
, &error
);
4219 /* We don't actually care about the state really. The fact
4220 * that we could read the job state is enough for us */