2 This file is part of systemd.
4 Copyright 2011 Lennart Poettering
6 systemd is free software; you can redistribute it and/or modify it
7 under the terms of the GNU Lesser General Public License as published by
8 the Free Software Foundation; either version 2.1 of the License, or
9 (at your option) any later version.
11 systemd is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with systemd; If not, see <http://www.gnu.org/licenses/>.
25 #include "sd-messages.h"
27 #include "alloc-util.h"
28 #include "audit-util.h"
29 #include "bus-common-errors.h"
30 #include "bus-error.h"
32 #include "dirent-util.h"
36 #include "fileio-label.h"
37 #include "formats-util.h"
41 #include "path-util.h"
42 #include "process-util.h"
43 #include "selinux-util.h"
44 #include "sleep-config.h"
47 #include "terminal-util.h"
48 #include "udev-util.h"
49 #include "unit-name.h"
50 #include "user-util.h"
51 #include "utmp-wtmp.h"
53 int manager_get_session_from_creds(Manager
*m
, sd_bus_message
*message
, const char *name
, sd_bus_error
*error
, Session
**ret
) {
54 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
63 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_SESSION
|SD_BUS_CREDS_AUGMENT
, &creds
);
67 r
= sd_bus_creds_get_session(creds
, &name
);
72 session
= hashmap_get(m
->sessions
, name
);
74 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_SESSION
, "No session '%s' known", name
);
80 int manager_get_user_from_creds(Manager
*m
, sd_bus_message
*message
, uid_t uid
, sd_bus_error
*error
, User
**ret
) {
88 if (uid
== UID_INVALID
) {
89 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
91 /* Note that we get the owner UID of the session, not the actual client UID here! */
92 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_OWNER_UID
|SD_BUS_CREDS_AUGMENT
, &creds
);
96 r
= sd_bus_creds_get_owner_uid(creds
, &uid
);
101 user
= hashmap_get(m
->users
, UID_TO_PTR(uid
));
103 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_USER
, "No user "UID_FMT
" known or logged in", uid
);
109 int manager_get_seat_from_creds(Manager
*m
, sd_bus_message
*message
, const char *name
, sd_bus_error
*error
, Seat
**ret
) {
120 r
= manager_get_session_from_creds(m
, message
, NULL
, error
, &session
);
124 seat
= session
->seat
;
126 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_SEAT
, "Session has no seat.");
128 seat
= hashmap_get(m
->seats
, name
);
130 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_SEAT
, "No seat '%s' known", name
);
137 static int property_get_idle_hint(
140 const char *interface
,
141 const char *property
,
142 sd_bus_message
*reply
,
144 sd_bus_error
*error
) {
146 Manager
*m
= userdata
;
152 return sd_bus_message_append(reply
, "b", manager_get_idle_hint(m
, NULL
) > 0);
155 static int property_get_idle_since_hint(
158 const char *interface
,
159 const char *property
,
160 sd_bus_message
*reply
,
162 sd_bus_error
*error
) {
164 Manager
*m
= userdata
;
165 dual_timestamp t
= DUAL_TIMESTAMP_NULL
;
171 manager_get_idle_hint(m
, &t
);
173 return sd_bus_message_append(reply
, "t", streq(property
, "IdleSinceHint") ? t
.realtime
: t
.monotonic
);
176 static int property_get_inhibited(
179 const char *interface
,
180 const char *property
,
181 sd_bus_message
*reply
,
183 sd_bus_error
*error
) {
185 Manager
*m
= userdata
;
192 w
= manager_inhibit_what(m
, streq(property
, "BlockInhibited") ? INHIBIT_BLOCK
: INHIBIT_DELAY
);
194 return sd_bus_message_append(reply
, "s", inhibit_what_to_string(w
));
197 static int property_get_preparing(
200 const char *interface
,
201 const char *property
,
202 sd_bus_message
*reply
,
204 sd_bus_error
*error
) {
206 Manager
*m
= userdata
;
213 if (streq(property
, "PreparingForShutdown"))
214 b
= !!(m
->action_what
& INHIBIT_SHUTDOWN
);
216 b
= !!(m
->action_what
& INHIBIT_SLEEP
);
218 return sd_bus_message_append(reply
, "b", b
);
221 static int property_get_scheduled_shutdown(
224 const char *interface
,
225 const char *property
,
226 sd_bus_message
*reply
,
228 sd_bus_error
*error
) {
230 Manager
*m
= userdata
;
237 r
= sd_bus_message_open_container(reply
, 'r', "st");
241 r
= sd_bus_message_append(reply
, "st", m
->scheduled_shutdown_type
, m
->scheduled_shutdown_timeout
);
245 return sd_bus_message_close_container(reply
);
248 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_handle_action
, handle_action
, HandleAction
);
250 static int property_get_docked(
253 const char *interface
,
254 const char *property
,
255 sd_bus_message
*reply
,
257 sd_bus_error
*error
) {
259 Manager
*m
= userdata
;
265 return sd_bus_message_append(reply
, "b", manager_is_docked_or_external_displays(m
));
268 static int property_get_current_sessions(
271 const char *interface
,
272 const char *property
,
273 sd_bus_message
*reply
,
275 sd_bus_error
*error
) {
277 Manager
*m
= userdata
;
283 return sd_bus_message_append(reply
, "t", (uint64_t) hashmap_size(m
->sessions
));
286 static int property_get_current_inhibitors(
289 const char *interface
,
290 const char *property
,
291 sd_bus_message
*reply
,
293 sd_bus_error
*error
) {
295 Manager
*m
= userdata
;
301 return sd_bus_message_append(reply
, "t", (uint64_t) hashmap_size(m
->inhibitors
));
304 static int method_get_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
305 _cleanup_free_
char *p
= NULL
;
306 Manager
*m
= userdata
;
314 r
= sd_bus_message_read(message
, "s", &name
);
318 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
322 p
= session_bus_path(session
);
326 return sd_bus_reply_method_return(message
, "o", p
);
329 static int method_get_session_by_pid(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
330 _cleanup_free_
char *p
= NULL
;
331 Session
*session
= NULL
;
332 Manager
*m
= userdata
;
339 assert_cc(sizeof(pid_t
) == sizeof(uint32_t));
341 r
= sd_bus_message_read(message
, "u", &pid
);
348 r
= manager_get_session_from_creds(m
, message
, NULL
, error
, &session
);
352 r
= manager_get_session_by_pid(m
, pid
, &session
);
357 return sd_bus_error_setf(error
, BUS_ERROR_NO_SESSION_FOR_PID
, "PID "PID_FMT
" does not belong to any known session", pid
);
360 p
= session_bus_path(session
);
364 return sd_bus_reply_method_return(message
, "o", p
);
367 static int method_get_user(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
368 _cleanup_free_
char *p
= NULL
;
369 Manager
*m
= userdata
;
377 r
= sd_bus_message_read(message
, "u", &uid
);
381 r
= manager_get_user_from_creds(m
, message
, uid
, error
, &user
);
385 p
= user_bus_path(user
);
389 return sd_bus_reply_method_return(message
, "o", p
);
392 static int method_get_user_by_pid(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
393 _cleanup_free_
char *p
= NULL
;
394 Manager
*m
= userdata
;
402 assert_cc(sizeof(pid_t
) == sizeof(uint32_t));
404 r
= sd_bus_message_read(message
, "u", &pid
);
411 r
= manager_get_user_from_creds(m
, message
, UID_INVALID
, error
, &user
);
415 r
= manager_get_user_by_pid(m
, pid
, &user
);
419 return sd_bus_error_setf(error
, BUS_ERROR_NO_USER_FOR_PID
, "PID "PID_FMT
" does not belong to any known or logged in user", pid
);
422 p
= user_bus_path(user
);
426 return sd_bus_reply_method_return(message
, "o", p
);
429 static int method_get_seat(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
430 _cleanup_free_
char *p
= NULL
;
431 Manager
*m
= userdata
;
439 r
= sd_bus_message_read(message
, "s", &name
);
443 r
= manager_get_seat_from_creds(m
, message
, name
, error
, &seat
);
447 p
= seat_bus_path(seat
);
451 return sd_bus_reply_method_return(message
, "o", p
);
454 static int method_list_sessions(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
455 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
456 Manager
*m
= userdata
;
464 r
= sd_bus_message_new_method_return(message
, &reply
);
468 r
= sd_bus_message_open_container(reply
, 'a', "(susso)");
472 HASHMAP_FOREACH(session
, m
->sessions
, i
) {
473 _cleanup_free_
char *p
= NULL
;
475 p
= session_bus_path(session
);
479 r
= sd_bus_message_append(reply
, "(susso)",
481 (uint32_t) session
->user
->uid
,
483 session
->seat
? session
->seat
->id
: "",
489 r
= sd_bus_message_close_container(reply
);
493 return sd_bus_send(NULL
, reply
, NULL
);
496 static int method_list_users(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
497 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
498 Manager
*m
= userdata
;
506 r
= sd_bus_message_new_method_return(message
, &reply
);
510 r
= sd_bus_message_open_container(reply
, 'a', "(uso)");
514 HASHMAP_FOREACH(user
, m
->users
, i
) {
515 _cleanup_free_
char *p
= NULL
;
517 p
= user_bus_path(user
);
521 r
= sd_bus_message_append(reply
, "(uso)",
522 (uint32_t) user
->uid
,
529 r
= sd_bus_message_close_container(reply
);
533 return sd_bus_send(NULL
, reply
, NULL
);
536 static int method_list_seats(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
537 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
538 Manager
*m
= userdata
;
546 r
= sd_bus_message_new_method_return(message
, &reply
);
550 r
= sd_bus_message_open_container(reply
, 'a', "(so)");
554 HASHMAP_FOREACH(seat
, m
->seats
, i
) {
555 _cleanup_free_
char *p
= NULL
;
557 p
= seat_bus_path(seat
);
561 r
= sd_bus_message_append(reply
, "(so)", seat
->id
, p
);
566 r
= sd_bus_message_close_container(reply
);
570 return sd_bus_send(NULL
, reply
, NULL
);
573 static int method_list_inhibitors(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
574 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
575 Manager
*m
= userdata
;
576 Inhibitor
*inhibitor
;
583 r
= sd_bus_message_new_method_return(message
, &reply
);
587 r
= sd_bus_message_open_container(reply
, 'a', "(ssssuu)");
591 HASHMAP_FOREACH(inhibitor
, m
->inhibitors
, i
) {
593 r
= sd_bus_message_append(reply
, "(ssssuu)",
594 strempty(inhibit_what_to_string(inhibitor
->what
)),
595 strempty(inhibitor
->who
),
596 strempty(inhibitor
->why
),
597 strempty(inhibit_mode_to_string(inhibitor
->mode
)),
598 (uint32_t) inhibitor
->uid
,
599 (uint32_t) inhibitor
->pid
);
604 r
= sd_bus_message_close_container(reply
);
608 return sd_bus_send(NULL
, reply
, NULL
);
611 static int method_create_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
612 const char *service
, *type
, *class, *cseat
, *tty
, *display
, *remote_user
, *remote_host
, *desktop
;
613 uint32_t audit_id
= 0;
614 _cleanup_free_
char *id
= NULL
;
615 Session
*session
= NULL
;
616 Manager
*m
= userdata
;
630 assert_cc(sizeof(pid_t
) == sizeof(uint32_t));
631 assert_cc(sizeof(uid_t
) == sizeof(uint32_t));
633 r
= sd_bus_message_read(message
, "uusssssussbss", &uid
, &leader
, &service
, &type
, &class, &desktop
, &cseat
, &vtnr
, &tty
, &display
, &remote
, &remote_user
, &remote_host
);
637 if (!uid_is_valid(uid
))
638 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid UID");
639 if (leader
< 0 || leader
== 1)
640 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid leader PID");
643 t
= _SESSION_TYPE_INVALID
;
645 t
= session_type_from_string(type
);
647 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid session type %s", type
);
651 c
= _SESSION_CLASS_INVALID
;
653 c
= session_class_from_string(class);
655 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid session class %s", class);
658 if (isempty(desktop
))
661 if (!string_is_safe(desktop
))
662 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid desktop string %s", desktop
);
668 seat
= hashmap_get(m
->seats
, cseat
);
670 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_SEAT
, "No seat '%s' known", cseat
);
673 if (tty_is_vc(tty
)) {
678 else if (seat
!= m
->seat0
)
679 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
);
681 v
= vtnr_from_tty(tty
);
683 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Cannot determine VT number from virtual console TTY %s", tty
);
687 else if (vtnr
!= (uint32_t) v
)
688 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Specified TTY and VT number do not match");
690 } else if (tty_is_console(tty
)) {
694 else if (seat
!= m
->seat0
)
695 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Console TTY specified but seat is not seat0");
698 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Console TTY specified but VT number is not 0");
702 if (seat_has_vts(seat
)) {
703 if (!vtnr
|| vtnr
> 63)
704 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "VT number out of range");
707 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Seat has no VTs but VT number not 0");
711 r
= sd_bus_message_enter_container(message
, 'a', "(sv)");
715 if (t
== _SESSION_TYPE_INVALID
) {
716 if (!isempty(display
))
718 else if (!isempty(tty
))
721 t
= SESSION_UNSPECIFIED
;
724 if (c
== _SESSION_CLASS_INVALID
) {
725 if (t
== SESSION_UNSPECIFIED
)
726 c
= SESSION_BACKGROUND
;
732 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
734 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_PID
, &creds
);
738 r
= sd_bus_creds_get_pid(creds
, (pid_t
*) &leader
);
743 r
= manager_get_session_by_pid(m
, leader
, NULL
);
745 return sd_bus_error_setf(error
, BUS_ERROR_SESSION_BUSY
, "Already running in a session");
748 * Old gdm and lightdm start the user-session on the same VT as
749 * the greeter session. But they destroy the greeter session
750 * after the user-session and want the user-session to take
751 * over the VT. We need to support this for
752 * backwards-compatibility, so make sure we allow new sessions
753 * on a VT that a greeter is running on. Furthermore, to allow
754 * re-logins, we have to allow a greeter to take over a used VT for
755 * the exact same reasons.
757 if (c
!= SESSION_GREETER
&&
759 vtnr
< m
->seat0
->position_count
&&
760 m
->seat0
->positions
[vtnr
] &&
761 m
->seat0
->positions
[vtnr
]->class != SESSION_GREETER
)
762 return sd_bus_error_setf(error
, BUS_ERROR_SESSION_BUSY
, "Already occupied by a session");
764 if (hashmap_size(m
->sessions
) >= m
->sessions_max
)
765 return sd_bus_error_setf(error
, SD_BUS_ERROR_LIMITS_EXCEEDED
, "Maximum number of sessions (%" PRIu64
") reached, refusing further sessions.", m
->sessions_max
);
767 audit_session_from_pid(leader
, &audit_id
);
769 /* Keep our session IDs and the audit session IDs in sync */
771 if (asprintf(&id
, "%"PRIu32
, audit_id
) < 0)
774 /* Wut? There's already a session by this name and we
775 * didn't find it above? Weird, then let's not trust
776 * the audit data and let's better register a new
778 if (hashmap_get(m
->sessions
, id
)) {
779 log_warning("Existing logind session ID %s used by new audit session, ignoring", id
);
790 if (asprintf(&id
, "c%lu", ++m
->session_counter
) < 0)
793 } while (hashmap_get(m
->sessions
, id
));
796 r
= manager_add_user_by_uid(m
, uid
, &user
);
800 r
= manager_add_session(m
, id
, &session
);
804 session_set_user(session
, user
);
806 session
->leader
= leader
;
807 session
->audit_id
= audit_id
;
810 session
->remote
= remote
;
811 session
->vtnr
= vtnr
;
814 session
->tty
= strdup(tty
);
821 if (!isempty(display
)) {
822 session
->display
= strdup(display
);
823 if (!session
->display
) {
829 if (!isempty(remote_user
)) {
830 session
->remote_user
= strdup(remote_user
);
831 if (!session
->remote_user
) {
837 if (!isempty(remote_host
)) {
838 session
->remote_host
= strdup(remote_host
);
839 if (!session
->remote_host
) {
845 if (!isempty(service
)) {
846 session
->service
= strdup(service
);
847 if (!session
->service
) {
853 if (!isempty(desktop
)) {
854 session
->desktop
= strdup(desktop
);
855 if (!session
->desktop
) {
862 r
= seat_attach_session(seat
, session
);
867 r
= session_start(session
);
871 session
->create_message
= sd_bus_message_ref(message
);
873 /* Now, let's wait until the slice unit and stuff got
874 * created. We send the reply back from
875 * session_send_create_reply(). */
881 session_add_to_gc_queue(session
);
884 user_add_to_gc_queue(user
);
889 static int method_release_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
890 Manager
*m
= userdata
;
898 r
= sd_bus_message_read(message
, "s", &name
);
902 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
906 r
= session_release(session
);
910 return sd_bus_reply_method_return(message
, NULL
);
913 static int method_activate_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
914 Manager
*m
= userdata
;
922 r
= sd_bus_message_read(message
, "s", &name
);
926 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
930 return bus_session_method_activate(message
, session
, error
);
933 static int method_activate_session_on_seat(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
934 const char *session_name
, *seat_name
;
935 Manager
*m
= userdata
;
943 /* Same as ActivateSession() but refuses to work if
944 * the seat doesn't match */
946 r
= sd_bus_message_read(message
, "ss", &session_name
, &seat_name
);
950 r
= manager_get_session_from_creds(m
, message
, session_name
, error
, &session
);
954 r
= manager_get_seat_from_creds(m
, message
, seat_name
, error
, &seat
);
958 if (session
->seat
!= seat
)
959 return sd_bus_error_setf(error
, BUS_ERROR_SESSION_NOT_ON_SEAT
, "Session %s not on seat %s", session_name
, seat_name
);
961 r
= session_activate(session
);
965 return sd_bus_reply_method_return(message
, NULL
);
968 static int method_lock_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
969 Manager
*m
= userdata
;
977 r
= sd_bus_message_read(message
, "s", &name
);
981 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
985 return bus_session_method_lock(message
, session
, error
);
988 static int method_lock_sessions(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
989 Manager
*m
= userdata
;
995 r
= bus_verify_polkit_async(
998 "org.freedesktop.login1.lock-sessions",
1002 &m
->polkit_registry
,
1007 return 1; /* Will call us back */
1009 r
= session_send_lock_all(m
, streq(sd_bus_message_get_member(message
), "LockSessions"));
1013 return sd_bus_reply_method_return(message
, NULL
);
1016 static int method_kill_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1018 Manager
*m
= userdata
;
1025 r
= sd_bus_message_read(message
, "s", &name
);
1029 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
1033 return bus_session_method_kill(message
, session
, error
);
1036 static int method_kill_user(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1037 Manager
*m
= userdata
;
1045 r
= sd_bus_message_read(message
, "u", &uid
);
1049 r
= manager_get_user_from_creds(m
, message
, uid
, error
, &user
);
1053 return bus_user_method_kill(message
, user
, error
);
1056 static int method_terminate_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1057 Manager
*m
= userdata
;
1065 r
= sd_bus_message_read(message
, "s", &name
);
1069 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
1073 return bus_session_method_terminate(message
, session
, error
);
1076 static int method_terminate_user(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1077 Manager
*m
= userdata
;
1085 r
= sd_bus_message_read(message
, "u", &uid
);
1089 r
= manager_get_user_from_creds(m
, message
, uid
, error
, &user
);
1093 return bus_user_method_terminate(message
, user
, error
);
1096 static int method_terminate_seat(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1097 Manager
*m
= userdata
;
1105 r
= sd_bus_message_read(message
, "s", &name
);
1109 r
= manager_get_seat_from_creds(m
, message
, name
, error
, &seat
);
1113 return bus_seat_method_terminate(message
, seat
, error
);
1116 static int method_set_user_linger(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1117 _cleanup_free_
char *cc
= NULL
;
1118 Manager
*m
= userdata
;
1119 int r
, b
, interactive
;
1128 r
= sd_bus_message_read(message
, "ubb", &uid
, &b
, &interactive
);
1132 if (uid
== UID_INVALID
) {
1133 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
1135 /* Note that we get the owner UID of the session, not the actual client UID here! */
1136 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_OWNER_UID
|SD_BUS_CREDS_AUGMENT
, &creds
);
1140 r
= sd_bus_creds_get_owner_uid(creds
, &uid
);
1146 } else if (!uid_is_valid(uid
))
1152 return errno
> 0 ? -errno
: -ENOENT
;
1154 r
= bus_verify_polkit_async(
1157 self
? "org.freedesktop.login1.set-self-linger" : "org.freedesktop.login1.set-user-linger",
1161 &m
->polkit_registry
,
1166 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1168 mkdir_p_label("/var/lib/systemd", 0755);
1170 r
= mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0);
1174 cc
= cescape(pw
->pw_name
);
1178 path
= strjoina("/var/lib/systemd/linger/", cc
);
1186 if (manager_add_user_by_uid(m
, uid
, &u
) >= 0)
1193 if (r
< 0 && errno
!= ENOENT
)
1196 u
= hashmap_get(m
->users
, UID_TO_PTR(uid
));
1198 user_add_to_gc_queue(u
);
1201 return sd_bus_reply_method_return(message
, NULL
);
1204 static int trigger_device(Manager
*m
, struct udev_device
*d
) {
1205 _cleanup_udev_enumerate_unref_
struct udev_enumerate
*e
= NULL
;
1206 struct udev_list_entry
*first
, *item
;
1211 e
= udev_enumerate_new(m
->udev
);
1216 r
= udev_enumerate_add_match_parent(e
, d
);
1221 r
= udev_enumerate_scan_devices(e
);
1225 first
= udev_enumerate_get_list_entry(e
);
1226 udev_list_entry_foreach(item
, first
) {
1227 _cleanup_free_
char *t
= NULL
;
1230 p
= udev_list_entry_get_name(item
);
1232 t
= strappend(p
, "/uevent");
1236 write_string_file(t
, "change", WRITE_STRING_FILE_CREATE
);
1242 static int attach_device(Manager
*m
, const char *seat
, const char *sysfs
) {
1243 _cleanup_udev_device_unref_
struct udev_device
*d
= NULL
;
1244 _cleanup_free_
char *rule
= NULL
, *file
= NULL
;
1245 const char *id_for_seat
;
1252 d
= udev_device_new_from_syspath(m
->udev
, sysfs
);
1256 if (!udev_device_has_tag(d
, "seat"))
1259 id_for_seat
= udev_device_get_property_value(d
, "ID_FOR_SEAT");
1263 if (asprintf(&file
, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat
) < 0)
1266 if (asprintf(&rule
, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat
, seat
) < 0)
1269 mkdir_p_label("/etc/udev/rules.d", 0755);
1270 r
= write_string_file_atomic_label(file
, rule
);
1274 return trigger_device(m
, d
);
1277 static int flush_devices(Manager
*m
) {
1278 _cleanup_closedir_
DIR *d
;
1282 d
= opendir("/etc/udev/rules.d");
1284 if (errno
!= ENOENT
)
1285 log_warning_errno(errno
, "Failed to open /etc/udev/rules.d: %m");
1289 while ((de
= readdir(d
))) {
1291 if (!dirent_is_file(de
))
1294 if (!startswith(de
->d_name
, "72-seat-"))
1297 if (!endswith(de
->d_name
, ".rules"))
1300 if (unlinkat(dirfd(d
), de
->d_name
, 0) < 0)
1301 log_warning_errno(errno
, "Failed to unlink %s: %m", de
->d_name
);
1305 return trigger_device(m
, NULL
);
1308 static int method_attach_device(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1309 const char *sysfs
, *seat
;
1310 Manager
*m
= userdata
;
1316 r
= sd_bus_message_read(message
, "ssb", &seat
, &sysfs
, &interactive
);
1320 if (!path_startswith(sysfs
, "/sys"))
1321 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Path %s is not in /sys", sysfs
);
1323 if (!seat_name_is_valid(seat
))
1324 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Seat %s is not valid", seat
);
1326 r
= bus_verify_polkit_async(
1329 "org.freedesktop.login1.attach-device",
1333 &m
->polkit_registry
,
1338 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1340 r
= attach_device(m
, seat
, sysfs
);
1344 return sd_bus_reply_method_return(message
, NULL
);
1347 static int method_flush_devices(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1348 Manager
*m
= userdata
;
1354 r
= sd_bus_message_read(message
, "b", &interactive
);
1358 r
= bus_verify_polkit_async(
1361 "org.freedesktop.login1.flush-devices",
1365 &m
->polkit_registry
,
1370 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1372 r
= flush_devices(m
);
1376 return sd_bus_reply_method_return(message
, NULL
);
1379 static int have_multiple_sessions(
1388 /* Check for other users' sessions. Greeter sessions do not
1389 * count, and non-login sessions do not count either. */
1390 HASHMAP_FOREACH(session
, m
->sessions
, i
)
1391 if (session
->class == SESSION_USER
&&
1392 session
->user
->uid
!= uid
)
1398 static int bus_manager_log_shutdown(
1401 const char *unit_name
) {
1408 if (w
!= INHIBIT_SHUTDOWN
)
1411 if (streq(unit_name
, SPECIAL_POWEROFF_TARGET
)) {
1412 p
= "MESSAGE=System is powering down";
1413 q
= "SHUTDOWN=power-off";
1414 } else if (streq(unit_name
, SPECIAL_HALT_TARGET
)) {
1415 p
= "MESSAGE=System is halting";
1416 q
= "SHUTDOWN=halt";
1417 } else if (streq(unit_name
, SPECIAL_REBOOT_TARGET
)) {
1418 p
= "MESSAGE=System is rebooting";
1419 q
= "SHUTDOWN=reboot";
1420 } else if (streq(unit_name
, SPECIAL_KEXEC_TARGET
)) {
1421 p
= "MESSAGE=System is rebooting with kexec";
1422 q
= "SHUTDOWN=kexec";
1424 p
= "MESSAGE=System is shutting down";
1428 if (isempty(m
->wall_message
))
1429 p
= strjoina(p
, ".");
1431 p
= strjoina(p
, " (", m
->wall_message
, ").");
1433 return log_struct(LOG_NOTICE
,
1434 LOG_MESSAGE_ID(SD_MESSAGE_SHUTDOWN
),
1440 static int lid_switch_ignore_handler(sd_event_source
*e
, uint64_t usec
, void *userdata
) {
1441 Manager
*m
= userdata
;
1446 m
->lid_switch_ignore_event_source
= sd_event_source_unref(m
->lid_switch_ignore_event_source
);
1450 int manager_set_lid_switch_ignore(Manager
*m
, usec_t until
) {
1455 if (until
<= now(CLOCK_MONOTONIC
))
1458 /* We want to ignore the lid switch for a while after each
1459 * suspend, and after boot-up. Hence let's install a timer for
1460 * this. As long as the event source exists we ignore the lid
1463 if (m
->lid_switch_ignore_event_source
) {
1466 r
= sd_event_source_get_time(m
->lid_switch_ignore_event_source
, &u
);
1473 r
= sd_event_source_set_time(m
->lid_switch_ignore_event_source
, until
);
1475 r
= sd_event_add_time(
1477 &m
->lid_switch_ignore_event_source
,
1480 lid_switch_ignore_handler
, m
);
1485 static void reset_scheduled_shutdown(Manager
*m
) {
1486 m
->scheduled_shutdown_timeout_source
= sd_event_source_unref(m
->scheduled_shutdown_timeout_source
);
1487 m
->wall_message_timeout_source
= sd_event_source_unref(m
->wall_message_timeout_source
);
1488 m
->nologin_timeout_source
= sd_event_source_unref(m
->nologin_timeout_source
);
1489 m
->scheduled_shutdown_type
= mfree(m
->scheduled_shutdown_type
);
1490 m
->scheduled_shutdown_timeout
= 0;
1491 m
->shutdown_dry_run
= false;
1493 if (m
->unlink_nologin
) {
1494 (void) unlink("/run/nologin");
1495 m
->unlink_nologin
= false;
1499 static int execute_shutdown_or_sleep(
1502 const char *unit_name
,
1503 sd_bus_error
*error
) {
1505 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
1512 assert(w
< _INHIBIT_WHAT_MAX
);
1515 bus_manager_log_shutdown(m
, w
, unit_name
);
1517 if (m
->shutdown_dry_run
) {
1518 log_info("Running in dry run, suppressing action.");
1519 reset_scheduled_shutdown(m
);
1521 r
= sd_bus_call_method(
1523 "org.freedesktop.systemd1",
1524 "/org/freedesktop/systemd1",
1525 "org.freedesktop.systemd1.Manager",
1529 "ss", unit_name
, "replace-irreversibly");
1533 r
= sd_bus_message_read(reply
, "o", &p
);
1542 m
->action_unit
= unit_name
;
1543 free(m
->action_job
);
1547 /* Make sure the lid switch is ignored for a while */
1548 manager_set_lid_switch_ignore(m
, now(CLOCK_MONOTONIC
) + m
->holdoff_timeout_usec
);
1553 int manager_dispatch_delayed(Manager
*manager
, bool timeout
) {
1555 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1556 Inhibitor
*offending
= NULL
;
1561 if (manager
->action_what
== 0 || manager
->action_job
)
1564 if (manager_is_inhibited(manager
, manager
->action_what
, INHIBIT_DELAY
, NULL
, false, false, 0, &offending
)) {
1565 _cleanup_free_
char *comm
= NULL
, *u
= NULL
;
1570 (void) get_process_comm(offending
->pid
, &comm
);
1571 u
= uid_to_name(offending
->uid
);
1573 log_notice("Delay lock is active (UID "UID_FMT
"/%s, PID "PID_FMT
"/%s) but inhibitor timeout is reached.",
1574 offending
->uid
, strna(u
),
1575 offending
->pid
, strna(comm
));
1578 /* Actually do the operation */
1579 r
= execute_shutdown_or_sleep(manager
, manager
->action_what
, manager
->action_unit
, &error
);
1581 log_warning("Failed to send delayed message: %s", bus_error_message(&error
, r
));
1583 manager
->action_unit
= NULL
;
1584 manager
->action_what
= 0;
1591 static int manager_inhibit_timeout_handler(
1596 Manager
*manager
= userdata
;
1600 assert(manager
->inhibit_timeout_source
== s
);
1602 r
= manager_dispatch_delayed(manager
, true);
1603 return (r
< 0) ? r
: 0;
1606 static int delay_shutdown_or_sleep(
1609 const char *unit_name
) {
1616 assert(w
< _INHIBIT_WHAT_MAX
);
1619 timeout_val
= now(CLOCK_MONOTONIC
) + m
->inhibit_delay_max
;
1621 if (m
->inhibit_timeout_source
) {
1622 r
= sd_event_source_set_time(m
->inhibit_timeout_source
, timeout_val
);
1624 return log_error_errno(r
, "sd_event_source_set_time() failed: %m");
1626 r
= sd_event_source_set_enabled(m
->inhibit_timeout_source
, SD_EVENT_ONESHOT
);
1628 return log_error_errno(r
, "sd_event_source_set_enabled() failed: %m");
1630 r
= sd_event_add_time(m
->event
, &m
->inhibit_timeout_source
, CLOCK_MONOTONIC
,
1631 timeout_val
, 0, manager_inhibit_timeout_handler
, m
);
1636 m
->action_unit
= unit_name
;
1642 static int send_prepare_for(Manager
*m
, InhibitWhat w
, bool _active
) {
1644 static const char * const signal_name
[_INHIBIT_WHAT_MAX
] = {
1645 [INHIBIT_SHUTDOWN
] = "PrepareForShutdown",
1646 [INHIBIT_SLEEP
] = "PrepareForSleep"
1649 int active
= _active
;
1653 assert(w
< _INHIBIT_WHAT_MAX
);
1654 assert(signal_name
[w
]);
1656 return sd_bus_emit_signal(m
->bus
,
1657 "/org/freedesktop/login1",
1658 "org.freedesktop.login1.Manager",
1664 int bus_manager_shutdown_or_sleep_now_or_later(
1666 const char *unit_name
,
1668 sd_bus_error
*error
) {
1676 assert(w
<= _INHIBIT_WHAT_MAX
);
1677 assert(!m
->action_job
);
1679 /* Tell everybody to prepare for shutdown/sleep */
1680 send_prepare_for(m
, w
, true);
1683 m
->inhibit_delay_max
> 0 &&
1684 manager_is_inhibited(m
, w
, INHIBIT_DELAY
, NULL
, false, false, 0, NULL
);
1687 /* Shutdown is delayed, keep in mind what we
1688 * want to do, and start a timeout */
1689 r
= delay_shutdown_or_sleep(m
, w
, unit_name
);
1691 /* Shutdown is not delayed, execute it
1693 r
= execute_shutdown_or_sleep(m
, w
, unit_name
, error
);
1698 static int verify_shutdown_creds(
1700 sd_bus_message
*message
,
1704 const char *action_multiple_sessions
,
1705 const char *action_ignore_inhibit
,
1706 sd_bus_error
*error
) {
1708 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
1709 bool multiple_sessions
, blocked
;
1716 assert(w
<= _INHIBIT_WHAT_MAX
);
1718 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_EUID
, &creds
);
1722 r
= sd_bus_creds_get_euid(creds
, &uid
);
1726 r
= have_multiple_sessions(m
, uid
);
1730 multiple_sessions
= r
> 0;
1731 blocked
= manager_is_inhibited(m
, w
, INHIBIT_BLOCK
, NULL
, false, true, uid
, NULL
);
1733 if (multiple_sessions
&& action_multiple_sessions
) {
1734 r
= bus_verify_polkit_async(message
, CAP_SYS_BOOT
, action_multiple_sessions
, NULL
, interactive
, UID_INVALID
, &m
->polkit_registry
, error
);
1738 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1741 if (blocked
&& action_ignore_inhibit
) {
1742 r
= bus_verify_polkit_async(message
, CAP_SYS_BOOT
, action_ignore_inhibit
, NULL
, interactive
, UID_INVALID
, &m
->polkit_registry
, error
);
1746 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1749 if (!multiple_sessions
&& !blocked
&& action
) {
1750 r
= bus_verify_polkit_async(message
, CAP_SYS_BOOT
, action
, NULL
, interactive
, UID_INVALID
, &m
->polkit_registry
, error
);
1754 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1760 static int method_do_shutdown_or_sleep(
1762 sd_bus_message
*message
,
1763 const char *unit_name
,
1766 const char *action_multiple_sessions
,
1767 const char *action_ignore_inhibit
,
1768 const char *sleep_verb
,
1769 sd_bus_error
*error
) {
1777 assert(w
<= _INHIBIT_WHAT_MAX
);
1779 r
= sd_bus_message_read(message
, "b", &interactive
);
1783 /* Don't allow multiple jobs being executed at the same time */
1785 return sd_bus_error_setf(error
, BUS_ERROR_OPERATION_IN_PROGRESS
, "There's already a shutdown or sleep operation in progress");
1788 r
= can_sleep(sleep_verb
);
1793 return sd_bus_error_setf(error
, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED
, "Sleep verb not supported");
1796 r
= verify_shutdown_creds(m
, message
, w
, interactive
, action
, action_multiple_sessions
,
1797 action_ignore_inhibit
, error
);
1801 r
= bus_manager_shutdown_or_sleep_now_or_later(m
, unit_name
, w
, error
);
1805 return sd_bus_reply_method_return(message
, NULL
);
1808 static int method_poweroff(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1809 Manager
*m
= userdata
;
1811 return method_do_shutdown_or_sleep(
1813 SPECIAL_POWEROFF_TARGET
,
1815 "org.freedesktop.login1.power-off",
1816 "org.freedesktop.login1.power-off-multiple-sessions",
1817 "org.freedesktop.login1.power-off-ignore-inhibit",
1822 static int method_reboot(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1823 Manager
*m
= userdata
;
1825 return method_do_shutdown_or_sleep(
1827 SPECIAL_REBOOT_TARGET
,
1829 "org.freedesktop.login1.reboot",
1830 "org.freedesktop.login1.reboot-multiple-sessions",
1831 "org.freedesktop.login1.reboot-ignore-inhibit",
1836 static int method_suspend(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1837 Manager
*m
= userdata
;
1839 return method_do_shutdown_or_sleep(
1841 SPECIAL_SUSPEND_TARGET
,
1843 "org.freedesktop.login1.suspend",
1844 "org.freedesktop.login1.suspend-multiple-sessions",
1845 "org.freedesktop.login1.suspend-ignore-inhibit",
1850 static int nologin_timeout_handler(
1855 Manager
*m
= userdata
;
1858 log_info("Creating /run/nologin, blocking further logins...");
1860 r
= write_string_file_atomic_label("/run/nologin", "System is going down.");
1862 log_error_errno(r
, "Failed to create /run/nologin: %m");
1864 m
->unlink_nologin
= true;
1869 static int update_schedule_file(Manager
*m
) {
1870 _cleanup_free_
char *temp_path
= NULL
;
1871 _cleanup_fclose_
FILE *f
= NULL
;
1876 r
= mkdir_safe_label("/run/systemd/shutdown", 0755, 0, 0);
1878 return log_error_errno(r
, "Failed to create shutdown subdirectory: %m");
1880 r
= fopen_temporary("/run/systemd/shutdown/scheduled", &f
, &temp_path
);
1882 return log_error_errno(r
, "Failed to save information about scheduled shutdowns: %m");
1884 (void) fchmod(fileno(f
), 0644);
1890 m
->scheduled_shutdown_timeout
,
1891 m
->enable_wall_messages
,
1892 m
->scheduled_shutdown_type
);
1894 if (!isempty(m
->wall_message
)) {
1895 _cleanup_free_
char *t
;
1897 t
= cescape(m
->wall_message
);
1903 fprintf(f
, "WALL_MESSAGE=%s\n", t
);
1906 r
= fflush_and_check(f
);
1910 if (rename(temp_path
, "/run/systemd/shutdown/scheduled") < 0) {
1918 (void) unlink(temp_path
);
1919 (void) unlink("/run/systemd/shutdown/scheduled");
1921 return log_error_errno(r
, "Failed to write information about scheduled shutdowns: %m");
1924 static int manager_scheduled_shutdown_handler(
1929 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1930 Manager
*m
= userdata
;
1936 if (isempty(m
->scheduled_shutdown_type
))
1939 if (streq(m
->scheduled_shutdown_type
, "halt"))
1940 target
= SPECIAL_HALT_TARGET
;
1941 else if (streq(m
->scheduled_shutdown_type
, "poweroff"))
1942 target
= SPECIAL_POWEROFF_TARGET
;
1944 target
= SPECIAL_REBOOT_TARGET
;
1946 r
= execute_shutdown_or_sleep(m
, 0, target
, &error
);
1948 return log_error_errno(r
, "Unable to execute transition to %s: %m", target
);
1953 static int method_schedule_shutdown(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1954 Manager
*m
= userdata
;
1955 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
1956 const char *action_multiple_sessions
= NULL
;
1957 const char *action_ignore_inhibit
= NULL
;
1958 const char *action
= NULL
;
1966 r
= sd_bus_message_read(message
, "st", &type
, &elapse
);
1970 if (startswith(type
, "dry-")) {
1972 m
->shutdown_dry_run
= true;
1975 if (streq(type
, "reboot")) {
1976 action
= "org.freedesktop.login1.reboot";
1977 action_multiple_sessions
= "org.freedesktop.login1.reboot-multiple-sessions";
1978 action_ignore_inhibit
= "org.freedesktop.login1.reboot-ignore-inhibit";
1979 } else if (streq(type
, "halt")) {
1980 action
= "org.freedesktop.login1.halt";
1981 action_multiple_sessions
= "org.freedesktop.login1.halt-multiple-sessions";
1982 action_ignore_inhibit
= "org.freedesktop.login1.halt-ignore-inhibit";
1983 } else if (streq(type
, "poweroff")) {
1984 action
= "org.freedesktop.login1.power-off";
1985 action_multiple_sessions
= "org.freedesktop.login1.power-off-multiple-sessions";
1986 action_ignore_inhibit
= "org.freedesktop.login1.power-off-ignore-inhibit";
1988 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Unsupported shutdown type");
1990 r
= verify_shutdown_creds(m
, message
, INHIBIT_SHUTDOWN
, false,
1991 action
, action_multiple_sessions
, action_ignore_inhibit
, error
);
1995 if (m
->scheduled_shutdown_timeout_source
) {
1996 r
= sd_event_source_set_time(m
->scheduled_shutdown_timeout_source
, elapse
);
1998 return log_error_errno(r
, "sd_event_source_set_time() failed: %m");
2000 r
= sd_event_source_set_enabled(m
->scheduled_shutdown_timeout_source
, SD_EVENT_ONESHOT
);
2002 return log_error_errno(r
, "sd_event_source_set_enabled() failed: %m");
2004 r
= sd_event_add_time(m
->event
, &m
->scheduled_shutdown_timeout_source
,
2005 CLOCK_REALTIME
, elapse
, 0, manager_scheduled_shutdown_handler
, m
);
2007 return log_error_errno(r
, "sd_event_add_time() failed: %m");
2010 r
= free_and_strdup(&m
->scheduled_shutdown_type
, type
);
2012 m
->scheduled_shutdown_timeout_source
= sd_event_source_unref(m
->scheduled_shutdown_timeout_source
);
2016 if (m
->nologin_timeout_source
) {
2017 r
= sd_event_source_set_time(m
->nologin_timeout_source
, elapse
);
2019 return log_error_errno(r
, "sd_event_source_set_time() failed: %m");
2021 r
= sd_event_source_set_enabled(m
->nologin_timeout_source
, SD_EVENT_ONESHOT
);
2023 return log_error_errno(r
, "sd_event_source_set_enabled() failed: %m");
2025 r
= sd_event_add_time(m
->event
, &m
->nologin_timeout_source
,
2026 CLOCK_REALTIME
, elapse
- 5 * USEC_PER_MINUTE
, 0, nologin_timeout_handler
, m
);
2028 return log_error_errno(r
, "sd_event_add_time() failed: %m");
2031 m
->scheduled_shutdown_timeout
= elapse
;
2033 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_AUGMENT
|SD_BUS_CREDS_TTY
|SD_BUS_CREDS_UID
, &creds
);
2035 const char *tty
= NULL
;
2037 (void) sd_bus_creds_get_uid(creds
, &m
->scheduled_shutdown_uid
);
2038 (void) sd_bus_creds_get_tty(creds
, &tty
);
2040 r
= free_and_strdup(&m
->scheduled_shutdown_tty
, tty
);
2042 m
->scheduled_shutdown_timeout_source
= sd_event_source_unref(m
->scheduled_shutdown_timeout_source
);
2047 r
= manager_setup_wall_message_timer(m
);
2051 if (!isempty(type
)) {
2052 r
= update_schedule_file(m
);
2056 (void) unlink("/run/systemd/shutdown/scheduled");
2058 return sd_bus_reply_method_return(message
, NULL
);
2061 static int method_cancel_scheduled_shutdown(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2062 Manager
*m
= userdata
;
2068 cancelled
= m
->scheduled_shutdown_type
!= NULL
;
2069 reset_scheduled_shutdown(m
);
2072 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
2073 const char *tty
= NULL
;
2077 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_AUGMENT
|SD_BUS_CREDS_TTY
|SD_BUS_CREDS_UID
, &creds
);
2079 (void) sd_bus_creds_get_uid(creds
, &uid
);
2080 (void) sd_bus_creds_get_tty(creds
, &tty
);
2083 utmp_wall("The system shutdown has been cancelled",
2084 uid_to_name(uid
), tty
, logind_wall_tty_filter
, m
);
2087 return sd_bus_reply_method_return(message
, "b", cancelled
);
2090 static int method_hibernate(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2091 Manager
*m
= userdata
;
2093 return method_do_shutdown_or_sleep(
2095 SPECIAL_HIBERNATE_TARGET
,
2097 "org.freedesktop.login1.hibernate",
2098 "org.freedesktop.login1.hibernate-multiple-sessions",
2099 "org.freedesktop.login1.hibernate-ignore-inhibit",
2104 static int method_hybrid_sleep(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2105 Manager
*m
= userdata
;
2107 return method_do_shutdown_or_sleep(
2109 SPECIAL_HYBRID_SLEEP_TARGET
,
2111 "org.freedesktop.login1.hibernate",
2112 "org.freedesktop.login1.hibernate-multiple-sessions",
2113 "org.freedesktop.login1.hibernate-ignore-inhibit",
2118 static int method_can_shutdown_or_sleep(
2120 sd_bus_message
*message
,
2123 const char *action_multiple_sessions
,
2124 const char *action_ignore_inhibit
,
2125 const char *sleep_verb
,
2126 sd_bus_error
*error
) {
2128 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
2129 bool multiple_sessions
, challenge
, blocked
;
2130 const char *result
= NULL
;
2137 assert(w
<= _INHIBIT_WHAT_MAX
);
2139 assert(action_multiple_sessions
);
2140 assert(action_ignore_inhibit
);
2143 r
= can_sleep(sleep_verb
);
2147 return sd_bus_reply_method_return(message
, "s", "na");
2150 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_EUID
, &creds
);
2154 r
= sd_bus_creds_get_euid(creds
, &uid
);
2158 r
= have_multiple_sessions(m
, uid
);
2162 multiple_sessions
= r
> 0;
2163 blocked
= manager_is_inhibited(m
, w
, INHIBIT_BLOCK
, NULL
, false, true, uid
, NULL
);
2165 if (multiple_sessions
) {
2166 r
= bus_test_polkit(message
, CAP_SYS_BOOT
, action_multiple_sessions
, NULL
, UID_INVALID
, &challenge
, error
);
2173 result
= "challenge";
2179 r
= bus_test_polkit(message
, CAP_SYS_BOOT
, action_ignore_inhibit
, NULL
, UID_INVALID
, &challenge
, error
);
2183 if (r
> 0 && !result
)
2185 else if (challenge
&& (!result
|| streq(result
, "yes")))
2186 result
= "challenge";
2191 if (!multiple_sessions
&& !blocked
) {
2192 /* If neither inhibit nor multiple sessions
2193 * apply then just check the normal policy */
2195 r
= bus_test_polkit(message
, CAP_SYS_BOOT
, action
, NULL
, UID_INVALID
, &challenge
, error
);
2202 result
= "challenge";
2207 return sd_bus_reply_method_return(message
, "s", result
);
2210 static int method_can_poweroff(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2211 Manager
*m
= userdata
;
2213 return method_can_shutdown_or_sleep(
2216 "org.freedesktop.login1.power-off",
2217 "org.freedesktop.login1.power-off-multiple-sessions",
2218 "org.freedesktop.login1.power-off-ignore-inhibit",
2223 static int method_can_reboot(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2224 Manager
*m
= userdata
;
2226 return method_can_shutdown_or_sleep(
2229 "org.freedesktop.login1.reboot",
2230 "org.freedesktop.login1.reboot-multiple-sessions",
2231 "org.freedesktop.login1.reboot-ignore-inhibit",
2236 static int method_can_suspend(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2237 Manager
*m
= userdata
;
2239 return method_can_shutdown_or_sleep(
2242 "org.freedesktop.login1.suspend",
2243 "org.freedesktop.login1.suspend-multiple-sessions",
2244 "org.freedesktop.login1.suspend-ignore-inhibit",
2249 static int method_can_hibernate(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2250 Manager
*m
= userdata
;
2252 return method_can_shutdown_or_sleep(
2255 "org.freedesktop.login1.hibernate",
2256 "org.freedesktop.login1.hibernate-multiple-sessions",
2257 "org.freedesktop.login1.hibernate-ignore-inhibit",
2262 static int method_can_hybrid_sleep(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2263 Manager
*m
= userdata
;
2265 return method_can_shutdown_or_sleep(
2268 "org.freedesktop.login1.hibernate",
2269 "org.freedesktop.login1.hibernate-multiple-sessions",
2270 "org.freedesktop.login1.hibernate-ignore-inhibit",
2275 static int property_get_reboot_to_firmware_setup(
2278 const char *interface
,
2279 const char *property
,
2280 sd_bus_message
*reply
,
2282 sd_bus_error
*error
) {
2289 r
= efi_get_reboot_to_firmware();
2290 if (r
< 0 && r
!= -EOPNOTSUPP
)
2293 return sd_bus_message_append(reply
, "b", r
> 0);
2296 static int method_set_reboot_to_firmware_setup(
2297 sd_bus_message
*message
,
2299 sd_bus_error
*error
) {
2302 Manager
*m
= userdata
;
2307 r
= sd_bus_message_read(message
, "b", &b
);
2311 r
= bus_verify_polkit_async(message
,
2313 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2317 &m
->polkit_registry
,
2322 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2324 r
= efi_set_reboot_to_firmware(b
);
2328 return sd_bus_reply_method_return(message
, NULL
);
2331 static int method_can_reboot_to_firmware_setup(
2332 sd_bus_message
*message
,
2334 sd_bus_error
*error
) {
2339 Manager
*m
= userdata
;
2344 r
= efi_reboot_to_firmware_supported();
2345 if (r
== -EOPNOTSUPP
)
2346 return sd_bus_reply_method_return(message
, "s", "na");
2350 r
= bus_test_polkit(message
,
2352 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2363 result
= "challenge";
2367 return sd_bus_reply_method_return(message
, "s", result
);
2370 static int method_set_wall_message(
2371 sd_bus_message
*message
,
2373 sd_bus_error
*error
) {
2376 Manager
*m
= userdata
;
2378 int enable_wall_messages
;
2383 r
= sd_bus_message_read(message
, "sb", &wall_message
, &enable_wall_messages
);
2387 r
= bus_verify_polkit_async(message
,
2389 "org.freedesktop.login1.set-wall-message",
2393 &m
->polkit_registry
,
2398 return 1; /* Will call us back */
2400 if (isempty(wall_message
))
2401 m
->wall_message
= mfree(m
->wall_message
);
2403 r
= free_and_strdup(&m
->wall_message
, wall_message
);
2408 m
->enable_wall_messages
= enable_wall_messages
;
2410 return sd_bus_reply_method_return(message
, NULL
);
2413 static int method_inhibit(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2414 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
2415 const char *who
, *why
, *what
, *mode
;
2416 _cleanup_free_
char *id
= NULL
;
2417 _cleanup_close_
int fifo_fd
= -1;
2418 Manager
*m
= userdata
;
2419 Inhibitor
*i
= NULL
;
2429 r
= sd_bus_message_read(message
, "ssss", &what
, &who
, &why
, &mode
);
2433 w
= inhibit_what_from_string(what
);
2435 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid what specification %s", what
);
2437 mm
= inhibit_mode_from_string(mode
);
2439 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid mode specification %s", mode
);
2441 /* Delay is only supported for shutdown/sleep */
2442 if (mm
== INHIBIT_DELAY
&& (w
& ~(INHIBIT_SHUTDOWN
|INHIBIT_SLEEP
)))
2443 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Delay inhibitors only supported for shutdown and sleep");
2445 /* Don't allow taking delay locks while we are already
2446 * executing the operation. We shouldn't create the impression
2447 * that the lock was successful if the machine is about to go
2448 * down/suspend any moment. */
2449 if (m
->action_what
& w
)
2450 return sd_bus_error_setf(error
, BUS_ERROR_OPERATION_IN_PROGRESS
, "The operation inhibition has been requested for is already running");
2452 r
= bus_verify_polkit_async(
2455 w
== INHIBIT_SHUTDOWN
? (mm
== INHIBIT_BLOCK
? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") :
2456 w
== INHIBIT_SLEEP
? (mm
== INHIBIT_BLOCK
? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") :
2457 w
== INHIBIT_IDLE
? "org.freedesktop.login1.inhibit-block-idle" :
2458 w
== INHIBIT_HANDLE_POWER_KEY
? "org.freedesktop.login1.inhibit-handle-power-key" :
2459 w
== INHIBIT_HANDLE_SUSPEND_KEY
? "org.freedesktop.login1.inhibit-handle-suspend-key" :
2460 w
== INHIBIT_HANDLE_HIBERNATE_KEY
? "org.freedesktop.login1.inhibit-handle-hibernate-key" :
2461 "org.freedesktop.login1.inhibit-handle-lid-switch",
2465 &m
->polkit_registry
,
2470 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2472 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_EUID
|SD_BUS_CREDS_PID
, &creds
);
2476 r
= sd_bus_creds_get_euid(creds
, &uid
);
2480 r
= sd_bus_creds_get_pid(creds
, &pid
);
2484 if (hashmap_size(m
->inhibitors
) >= m
->inhibitors_max
)
2485 return sd_bus_error_setf(error
, SD_BUS_ERROR_LIMITS_EXCEEDED
, "Maximum number of inhibitors (%" PRIu64
") reached, refusing further inhibitors.", m
->inhibitors_max
);
2490 if (asprintf(&id
, "%lu", ++m
->inhibit_counter
) < 0)
2493 } while (hashmap_get(m
->inhibitors
, id
));
2495 r
= manager_add_inhibitor(m
, id
, &i
);
2503 i
->why
= strdup(why
);
2504 i
->who
= strdup(who
);
2506 if (!i
->why
|| !i
->who
) {
2511 fifo_fd
= inhibitor_create_fifo(i
);
2519 return sd_bus_reply_method_return(message
, "h", fifo_fd
);
2528 const sd_bus_vtable manager_vtable
[] = {
2529 SD_BUS_VTABLE_START(0),
2531 SD_BUS_WRITABLE_PROPERTY("EnableWallMessages", "b", NULL
, NULL
, offsetof(Manager
, enable_wall_messages
), 0),
2532 SD_BUS_WRITABLE_PROPERTY("WallMessage", "s", NULL
, NULL
, offsetof(Manager
, wall_message
), 0),
2534 SD_BUS_PROPERTY("NAutoVTs", "u", NULL
, offsetof(Manager
, n_autovts
), SD_BUS_VTABLE_PROPERTY_CONST
),
2535 SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL
, offsetof(Manager
, kill_only_users
), SD_BUS_VTABLE_PROPERTY_CONST
),
2536 SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL
, offsetof(Manager
, kill_exclude_users
), SD_BUS_VTABLE_PROPERTY_CONST
),
2537 SD_BUS_PROPERTY("KillUserProcesses", "b", NULL
, offsetof(Manager
, kill_user_processes
), SD_BUS_VTABLE_PROPERTY_CONST
),
2538 SD_BUS_PROPERTY("RebootToFirmwareSetup", "b", property_get_reboot_to_firmware_setup
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
2539 SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
2540 SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
2541 SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
2542 SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
2543 SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
2544 SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL
, offsetof(Manager
, inhibit_delay_max
), SD_BUS_VTABLE_PROPERTY_CONST
),
2545 SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action
, offsetof(Manager
, handle_power_key
), SD_BUS_VTABLE_PROPERTY_CONST
),
2546 SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action
, offsetof(Manager
, handle_suspend_key
), SD_BUS_VTABLE_PROPERTY_CONST
),
2547 SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action
, offsetof(Manager
, handle_hibernate_key
), SD_BUS_VTABLE_PROPERTY_CONST
),
2548 SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action
, offsetof(Manager
, handle_lid_switch
), SD_BUS_VTABLE_PROPERTY_CONST
),
2549 SD_BUS_PROPERTY("HandleLidSwitchDocked", "s", property_get_handle_action
, offsetof(Manager
, handle_lid_switch_docked
), SD_BUS_VTABLE_PROPERTY_CONST
),
2550 SD_BUS_PROPERTY("HoldoffTimeoutUSec", "t", NULL
, offsetof(Manager
, holdoff_timeout_usec
), SD_BUS_VTABLE_PROPERTY_CONST
),
2551 SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action
, offsetof(Manager
, idle_action
), SD_BUS_VTABLE_PROPERTY_CONST
),
2552 SD_BUS_PROPERTY("IdleActionUSec", "t", NULL
, offsetof(Manager
, idle_action_usec
), SD_BUS_VTABLE_PROPERTY_CONST
),
2553 SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing
, 0, 0),
2554 SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing
, 0, 0),
2555 SD_BUS_PROPERTY("ScheduledShutdown", "(st)", property_get_scheduled_shutdown
, 0, 0),
2556 SD_BUS_PROPERTY("Docked", "b", property_get_docked
, 0, 0),
2557 SD_BUS_PROPERTY("RemoveIPC", "b", bus_property_get_bool
, offsetof(Manager
, remove_ipc
), SD_BUS_VTABLE_PROPERTY_CONST
),
2558 SD_BUS_PROPERTY("RuntimeDirectorySize", "t", bus_property_get_size
, offsetof(Manager
, runtime_dir_size
), SD_BUS_VTABLE_PROPERTY_CONST
),
2559 SD_BUS_PROPERTY("InhibitorsMax", "t", NULL
, offsetof(Manager
, inhibitors_max
), SD_BUS_VTABLE_PROPERTY_CONST
),
2560 SD_BUS_PROPERTY("NCurrentInhibitors", "t", property_get_current_inhibitors
, 0, 0),
2561 SD_BUS_PROPERTY("SessionsMax", "t", NULL
, offsetof(Manager
, sessions_max
), SD_BUS_VTABLE_PROPERTY_CONST
),
2562 SD_BUS_PROPERTY("NCurrentSessions", "t", property_get_current_sessions
, 0, 0),
2563 SD_BUS_PROPERTY("UserTasksMax", "t", NULL
, offsetof(Manager
, user_tasks_max
), SD_BUS_VTABLE_PROPERTY_CONST
),
2565 SD_BUS_METHOD("GetSession", "s", "o", method_get_session
, SD_BUS_VTABLE_UNPRIVILEGED
),
2566 SD_BUS_METHOD("GetSessionByPID", "u", "o", method_get_session_by_pid
, SD_BUS_VTABLE_UNPRIVILEGED
),
2567 SD_BUS_METHOD("GetUser", "u", "o", method_get_user
, SD_BUS_VTABLE_UNPRIVILEGED
),
2568 SD_BUS_METHOD("GetUserByPID", "u", "o", method_get_user_by_pid
, SD_BUS_VTABLE_UNPRIVILEGED
),
2569 SD_BUS_METHOD("GetSeat", "s", "o", method_get_seat
, SD_BUS_VTABLE_UNPRIVILEGED
),
2570 SD_BUS_METHOD("ListSessions", NULL
, "a(susso)", method_list_sessions
, SD_BUS_VTABLE_UNPRIVILEGED
),
2571 SD_BUS_METHOD("ListUsers", NULL
, "a(uso)", method_list_users
, SD_BUS_VTABLE_UNPRIVILEGED
),
2572 SD_BUS_METHOD("ListSeats", NULL
, "a(so)", method_list_seats
, SD_BUS_VTABLE_UNPRIVILEGED
),
2573 SD_BUS_METHOD("ListInhibitors", NULL
, "a(ssssuu)", method_list_inhibitors
, SD_BUS_VTABLE_UNPRIVILEGED
),
2574 SD_BUS_METHOD("CreateSession", "uusssssussbssa(sv)", "soshusub", method_create_session
, 0),
2575 SD_BUS_METHOD("ReleaseSession", "s", NULL
, method_release_session
, 0),
2576 SD_BUS_METHOD("ActivateSession", "s", NULL
, method_activate_session
, SD_BUS_VTABLE_UNPRIVILEGED
),
2577 SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL
, method_activate_session_on_seat
, SD_BUS_VTABLE_UNPRIVILEGED
),
2578 SD_BUS_METHOD("LockSession", "s", NULL
, method_lock_session
, SD_BUS_VTABLE_UNPRIVILEGED
),
2579 SD_BUS_METHOD("UnlockSession", "s", NULL
, method_lock_session
, SD_BUS_VTABLE_UNPRIVILEGED
),
2580 SD_BUS_METHOD("LockSessions", NULL
, NULL
, method_lock_sessions
, SD_BUS_VTABLE_UNPRIVILEGED
),
2581 SD_BUS_METHOD("UnlockSessions", NULL
, NULL
, method_lock_sessions
, SD_BUS_VTABLE_UNPRIVILEGED
),
2582 SD_BUS_METHOD("KillSession", "ssi", NULL
, method_kill_session
, SD_BUS_VTABLE_UNPRIVILEGED
),
2583 SD_BUS_METHOD("KillUser", "ui", NULL
, method_kill_user
, SD_BUS_VTABLE_UNPRIVILEGED
),
2584 SD_BUS_METHOD("TerminateSession", "s", NULL
, method_terminate_session
, SD_BUS_VTABLE_UNPRIVILEGED
),
2585 SD_BUS_METHOD("TerminateUser", "u", NULL
, method_terminate_user
, SD_BUS_VTABLE_UNPRIVILEGED
),
2586 SD_BUS_METHOD("TerminateSeat", "s", NULL
, method_terminate_seat
, SD_BUS_VTABLE_UNPRIVILEGED
),
2587 SD_BUS_METHOD("SetUserLinger", "ubb", NULL
, method_set_user_linger
, SD_BUS_VTABLE_UNPRIVILEGED
),
2588 SD_BUS_METHOD("AttachDevice", "ssb", NULL
, method_attach_device
, SD_BUS_VTABLE_UNPRIVILEGED
),
2589 SD_BUS_METHOD("FlushDevices", "b", NULL
, method_flush_devices
, SD_BUS_VTABLE_UNPRIVILEGED
),
2590 SD_BUS_METHOD("PowerOff", "b", NULL
, method_poweroff
, SD_BUS_VTABLE_UNPRIVILEGED
),
2591 SD_BUS_METHOD("Reboot", "b", NULL
, method_reboot
, SD_BUS_VTABLE_UNPRIVILEGED
),
2592 SD_BUS_METHOD("Suspend", "b", NULL
, method_suspend
, SD_BUS_VTABLE_UNPRIVILEGED
),
2593 SD_BUS_METHOD("Hibernate", "b", NULL
, method_hibernate
, SD_BUS_VTABLE_UNPRIVILEGED
),
2594 SD_BUS_METHOD("HybridSleep", "b", NULL
, method_hybrid_sleep
, SD_BUS_VTABLE_UNPRIVILEGED
),
2595 SD_BUS_METHOD("CanPowerOff", NULL
, "s", method_can_poweroff
, SD_BUS_VTABLE_UNPRIVILEGED
),
2596 SD_BUS_METHOD("CanReboot", NULL
, "s", method_can_reboot
, SD_BUS_VTABLE_UNPRIVILEGED
),
2597 SD_BUS_METHOD("CanSuspend", NULL
, "s", method_can_suspend
, SD_BUS_VTABLE_UNPRIVILEGED
),
2598 SD_BUS_METHOD("CanHibernate", NULL
, "s", method_can_hibernate
, SD_BUS_VTABLE_UNPRIVILEGED
),
2599 SD_BUS_METHOD("CanHybridSleep", NULL
, "s", method_can_hybrid_sleep
, SD_BUS_VTABLE_UNPRIVILEGED
),
2600 SD_BUS_METHOD("ScheduleShutdown", "st", NULL
, method_schedule_shutdown
, SD_BUS_VTABLE_UNPRIVILEGED
),
2601 SD_BUS_METHOD("CancelScheduledShutdown", NULL
, "b", method_cancel_scheduled_shutdown
, SD_BUS_VTABLE_UNPRIVILEGED
),
2602 SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit
, SD_BUS_VTABLE_UNPRIVILEGED
),
2603 SD_BUS_METHOD("CanRebootToFirmwareSetup", NULL
, "s", method_can_reboot_to_firmware_setup
, SD_BUS_VTABLE_UNPRIVILEGED
),
2604 SD_BUS_METHOD("SetRebootToFirmwareSetup", "b", NULL
, method_set_reboot_to_firmware_setup
, SD_BUS_VTABLE_UNPRIVILEGED
),
2605 SD_BUS_METHOD("SetWallMessage", "sb", NULL
, method_set_wall_message
, SD_BUS_VTABLE_UNPRIVILEGED
),
2607 SD_BUS_SIGNAL("SessionNew", "so", 0),
2608 SD_BUS_SIGNAL("SessionRemoved", "so", 0),
2609 SD_BUS_SIGNAL("UserNew", "uo", 0),
2610 SD_BUS_SIGNAL("UserRemoved", "uo", 0),
2611 SD_BUS_SIGNAL("SeatNew", "so", 0),
2612 SD_BUS_SIGNAL("SeatRemoved", "so", 0),
2613 SD_BUS_SIGNAL("PrepareForShutdown", "b", 0),
2614 SD_BUS_SIGNAL("PrepareForSleep", "b", 0),
2619 static int session_jobs_reply(Session
*s
, const char *unit
, const char *result
) {
2628 if (streq(result
, "done"))
2629 r
= session_send_create_reply(s
, NULL
);
2631 _cleanup_(sd_bus_error_free
) sd_bus_error e
= SD_BUS_ERROR_NULL
;
2633 sd_bus_error_setf(&e
, BUS_ERROR_JOB_FAILED
, "Start job for unit %s failed with '%s'", unit
, result
);
2634 r
= session_send_create_reply(s
, &e
);
2640 int match_job_removed(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2641 const char *path
, *result
, *unit
;
2642 Manager
*m
= userdata
;
2651 r
= sd_bus_message_read(message
, "uoss", &id
, &path
, &unit
, &result
);
2653 bus_log_parse_error(r
);
2657 if (m
->action_job
&& streq(m
->action_job
, path
)) {
2658 log_info("Operation '%s' finished.", inhibit_what_to_string(m
->action_what
));
2660 /* Tell people that they now may take a lock again */
2661 send_prepare_for(m
, m
->action_what
, false);
2663 m
->action_job
= mfree(m
->action_job
);
2664 m
->action_unit
= NULL
;
2669 session
= hashmap_get(m
->session_units
, unit
);
2670 if (session
&& streq_ptr(path
, session
->scope_job
)) {
2671 session
->scope_job
= mfree(session
->scope_job
);
2672 session_jobs_reply(session
, unit
, result
);
2674 session_save(session
);
2675 user_save(session
->user
);
2676 session_add_to_gc_queue(session
);
2679 user
= hashmap_get(m
->user_units
, unit
);
2681 (streq_ptr(path
, user
->service_job
) ||
2682 streq_ptr(path
, user
->slice_job
))) {
2684 if (streq_ptr(path
, user
->service_job
))
2685 user
->service_job
= mfree(user
->service_job
);
2687 if (streq_ptr(path
, user
->slice_job
))
2688 user
->slice_job
= mfree(user
->slice_job
);
2690 LIST_FOREACH(sessions_by_user
, session
, user
->sessions
)
2691 session_jobs_reply(session
, unit
, result
);
2694 user_add_to_gc_queue(user
);
2700 int match_unit_removed(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2701 const char *path
, *unit
;
2702 Manager
*m
= userdata
;
2710 r
= sd_bus_message_read(message
, "so", &unit
, &path
);
2712 bus_log_parse_error(r
);
2716 session
= hashmap_get(m
->session_units
, unit
);
2718 session_add_to_gc_queue(session
);
2720 user
= hashmap_get(m
->user_units
, unit
);
2722 user_add_to_gc_queue(user
);
2727 int match_properties_changed(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2728 _cleanup_free_
char *unit
= NULL
;
2729 Manager
*m
= userdata
;
2738 path
= sd_bus_message_get_path(message
);
2742 r
= unit_name_from_dbus_path(path
, &unit
);
2743 if (r
== -EINVAL
) /* not a unit */
2750 session
= hashmap_get(m
->session_units
, unit
);
2752 session_add_to_gc_queue(session
);
2754 user
= hashmap_get(m
->user_units
, unit
);
2756 user_add_to_gc_queue(user
);
2761 int match_reloading(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2762 Manager
*m
= userdata
;
2770 r
= sd_bus_message_read(message
, "b", &b
);
2772 bus_log_parse_error(r
);
2779 /* systemd finished reloading, let's recheck all our sessions */
2780 log_debug("System manager has been reloaded, rechecking sessions...");
2782 HASHMAP_FOREACH(session
, m
->sessions
, i
)
2783 session_add_to_gc_queue(session
);
2788 int manager_send_changed(Manager
*manager
, const char *property
, ...) {
2793 l
= strv_from_stdarg_alloca(property
);
2795 return sd_bus_emit_properties_changed_strv(
2797 "/org/freedesktop/login1",
2798 "org.freedesktop.login1.Manager",
2802 static int strdup_job(sd_bus_message
*reply
, char **job
) {
2807 r
= sd_bus_message_read(reply
, "o", &j
);
2819 int manager_start_slice(
2822 const char *description
,
2826 sd_bus_error
*error
,
2829 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*m
= NULL
, *reply
= NULL
;
2836 r
= sd_bus_message_new_method_call(
2839 "org.freedesktop.systemd1",
2840 "/org/freedesktop/systemd1",
2841 "org.freedesktop.systemd1.Manager",
2842 "StartTransientUnit");
2846 r
= sd_bus_message_append(m
, "ss", strempty(slice
), "fail");
2850 r
= sd_bus_message_open_container(m
, 'a', "(sv)");
2854 if (!isempty(description
)) {
2855 r
= sd_bus_message_append(m
, "(sv)", "Description", "s", description
);
2860 if (!isempty(after
)) {
2861 r
= sd_bus_message_append(m
, "(sv)", "After", "as", 1, after
);
2866 if (!isempty(after2
)) {
2867 r
= sd_bus_message_append(m
, "(sv)", "After", "as", 1, after2
);
2872 r
= sd_bus_message_append(m
, "(sv)", "TasksMax", "t", tasks_max
);
2876 r
= sd_bus_message_close_container(m
);
2880 r
= sd_bus_message_append(m
, "a(sa(sv))", 0);
2884 r
= sd_bus_call(manager
->bus
, m
, 0, error
, &reply
);
2888 return strdup_job(reply
, job
);
2891 int manager_start_scope(
2896 const char *description
,
2900 sd_bus_error
*error
,
2903 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*m
= NULL
, *reply
= NULL
;
2911 r
= sd_bus_message_new_method_call(
2914 "org.freedesktop.systemd1",
2915 "/org/freedesktop/systemd1",
2916 "org.freedesktop.systemd1.Manager",
2917 "StartTransientUnit");
2921 r
= sd_bus_message_append(m
, "ss", strempty(scope
), "fail");
2925 r
= sd_bus_message_open_container(m
, 'a', "(sv)");
2929 if (!isempty(slice
)) {
2930 r
= sd_bus_message_append(m
, "(sv)", "Slice", "s", slice
);
2935 if (!isempty(description
)) {
2936 r
= sd_bus_message_append(m
, "(sv)", "Description", "s", description
);
2941 if (!isempty(after
)) {
2942 r
= sd_bus_message_append(m
, "(sv)", "After", "as", 1, after
);
2947 if (!isempty(after2
)) {
2948 r
= sd_bus_message_append(m
, "(sv)", "After", "as", 1, after2
);
2953 /* cgroup empty notification is not available in containers
2954 * currently. To make this less problematic, let's shorten the
2955 * stop timeout for sessions, so that we don't wait
2958 /* Make sure that the session shells are terminated with
2959 * SIGHUP since bash and friends tend to ignore SIGTERM */
2960 r
= sd_bus_message_append(m
, "(sv)", "SendSIGHUP", "b", true);
2964 r
= sd_bus_message_append(m
, "(sv)", "PIDs", "au", 1, pid
);
2968 r
= sd_bus_message_append(m
, "(sv)", "TasksMax", "t", tasks_max
);
2972 r
= sd_bus_message_close_container(m
);
2976 r
= sd_bus_message_append(m
, "a(sa(sv))", 0);
2980 r
= sd_bus_call(manager
->bus
, m
, 0, error
, &reply
);
2984 return strdup_job(reply
, job
);
2987 int manager_start_unit(Manager
*manager
, const char *unit
, sd_bus_error
*error
, char **job
) {
2988 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
2995 r
= sd_bus_call_method(
2997 "org.freedesktop.systemd1",
2998 "/org/freedesktop/systemd1",
2999 "org.freedesktop.systemd1.Manager",
3003 "ss", unit
, "replace");
3007 return strdup_job(reply
, job
);
3010 int manager_stop_unit(Manager
*manager
, const char *unit
, sd_bus_error
*error
, char **job
) {
3011 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
3018 r
= sd_bus_call_method(
3020 "org.freedesktop.systemd1",
3021 "/org/freedesktop/systemd1",
3022 "org.freedesktop.systemd1.Manager",
3026 "ss", unit
, "fail");
3028 if (sd_bus_error_has_name(error
, BUS_ERROR_NO_SUCH_UNIT
) ||
3029 sd_bus_error_has_name(error
, BUS_ERROR_LOAD_FAILED
)) {
3032 sd_bus_error_free(error
);
3039 return strdup_job(reply
, job
);
3042 int manager_abandon_scope(Manager
*manager
, const char *scope
, sd_bus_error
*error
) {
3043 _cleanup_free_
char *path
= NULL
;
3049 path
= unit_dbus_path_from_name(scope
);
3053 r
= sd_bus_call_method(
3055 "org.freedesktop.systemd1",
3057 "org.freedesktop.systemd1.Scope",
3063 if (sd_bus_error_has_name(error
, BUS_ERROR_NO_SUCH_UNIT
) ||
3064 sd_bus_error_has_name(error
, BUS_ERROR_LOAD_FAILED
) ||
3065 sd_bus_error_has_name(error
, BUS_ERROR_SCOPE_NOT_RUNNING
)) {
3066 sd_bus_error_free(error
);
3076 int manager_kill_unit(Manager
*manager
, const char *unit
, KillWho who
, int signo
, sd_bus_error
*error
) {
3080 return sd_bus_call_method(
3082 "org.freedesktop.systemd1",
3083 "/org/freedesktop/systemd1",
3084 "org.freedesktop.systemd1.Manager",
3088 "ssi", unit
, who
== KILL_LEADER
? "main" : "all", signo
);
3091 int manager_unit_is_active(Manager
*manager
, const char *unit
) {
3092 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
3093 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
3094 _cleanup_free_
char *path
= NULL
;
3101 path
= unit_dbus_path_from_name(unit
);
3105 r
= sd_bus_get_property(
3107 "org.freedesktop.systemd1",
3109 "org.freedesktop.systemd1.Unit",
3115 /* systemd might have droppped off momentarily, let's
3116 * not make this an error */
3117 if (sd_bus_error_has_name(&error
, SD_BUS_ERROR_NO_REPLY
) ||
3118 sd_bus_error_has_name(&error
, SD_BUS_ERROR_DISCONNECTED
))
3121 /* If the unit is already unloaded then it's not
3123 if (sd_bus_error_has_name(&error
, BUS_ERROR_NO_SUCH_UNIT
) ||
3124 sd_bus_error_has_name(&error
, BUS_ERROR_LOAD_FAILED
))
3130 r
= sd_bus_message_read(reply
, "s", &state
);
3134 return !streq(state
, "inactive") && !streq(state
, "failed");
3137 int manager_job_is_active(Manager
*manager
, const char *path
) {
3138 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
3139 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
3145 r
= sd_bus_get_property(
3147 "org.freedesktop.systemd1",
3149 "org.freedesktop.systemd1.Job",
3155 if (sd_bus_error_has_name(&error
, SD_BUS_ERROR_NO_REPLY
) ||
3156 sd_bus_error_has_name(&error
, SD_BUS_ERROR_DISCONNECTED
))
3159 if (sd_bus_error_has_name(&error
, SD_BUS_ERROR_UNKNOWN_OBJECT
))
3165 /* We don't actually care about the state really. The fact
3166 * that we could read the job state is enough for us */