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-polkit.h"
34 #include "logind-seat-dbus.h"
35 #include "logind-session-dbus.h"
36 #include "logind-user-dbus.h"
38 #include "missing_capability.h"
40 #include "parse-util.h"
41 #include "path-util.h"
42 #include "process-util.h"
43 #include "reboot-util.h"
44 #include "selinux-util.h"
45 #include "sleep-config.h"
47 #include "stdio-util.h"
49 #include "terminal-util.h"
50 #include "tmpfile-util.h"
51 #include "unit-name.h"
52 #include "user-util.h"
53 #include "utmp-wtmp.h"
56 static int get_sender_session(
58 sd_bus_message
*message
,
63 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
64 Session
*session
= NULL
;
68 /* Acquire the sender's session. This first checks if the sending process is inside a session itself,
69 * and returns that. If not and 'consult_display' is true, this returns the display session of the
70 * owning user of the caller. */
72 r
= sd_bus_query_sender_creds(message
,
73 SD_BUS_CREDS_SESSION
|SD_BUS_CREDS_AUGMENT
|
74 (consult_display
? SD_BUS_CREDS_OWNER_UID
: 0), &creds
);
78 r
= sd_bus_creds_get_session(creds
, &name
);
83 if (consult_display
) {
86 r
= sd_bus_creds_get_owner_uid(creds
, &uid
);
93 user
= hashmap_get(m
->users
, UID_TO_PTR(uid
));
95 session
= user
->display
;
99 session
= hashmap_get(m
->sessions
, name
);
102 return sd_bus_error_setf(error
, BUS_ERROR_NO_SESSION_FOR_PID
,
104 "Caller does not belong to any known session and doesn't own any suitable session." :
105 "Caller does not belong to any known session.");
111 int manager_get_session_from_creds(
113 sd_bus_message
*message
,
123 if (SEAT_IS_SELF(name
)) /* the caller's own session */
124 return get_sender_session(m
, message
, false, error
, ret
);
125 if (SEAT_IS_AUTO(name
)) /* The caller's own session if they have one, otherwise their user's display session */
126 return get_sender_session(m
, message
, true, error
, ret
);
128 session
= hashmap_get(m
->sessions
, name
);
130 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_SESSION
, "No session '%s' known", name
);
136 static int get_sender_user(Manager
*m
, sd_bus_message
*message
, sd_bus_error
*error
, User
**ret
) {
137 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
142 /* Note that we get the owner UID of the session, not the actual client UID here! */
143 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_OWNER_UID
|SD_BUS_CREDS_AUGMENT
, &creds
);
147 r
= sd_bus_creds_get_owner_uid(creds
, &uid
);
154 user
= hashmap_get(m
->users
, UID_TO_PTR(uid
));
157 return sd_bus_error_setf(error
, BUS_ERROR_NO_USER_FOR_PID
,
158 "Caller does not belong to any logged in or lingering user");
164 int manager_get_user_from_creds(Manager
*m
, sd_bus_message
*message
, uid_t uid
, sd_bus_error
*error
, User
**ret
) {
170 if (!uid_is_valid(uid
))
171 return get_sender_user(m
, message
, error
, ret
);
173 user
= hashmap_get(m
->users
, UID_TO_PTR(uid
));
175 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_USER
,
176 "User ID "UID_FMT
" is not logged in or lingering", uid
);
182 int manager_get_seat_from_creds(
184 sd_bus_message
*message
,
195 if (SEAT_IS_SELF(name
) || SEAT_IS_AUTO(name
)) {
198 /* Use these special seat names as session names */
199 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
203 seat
= session
->seat
;
205 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_SEAT
, "Session '%s' has no seat.", session
->id
);
207 seat
= hashmap_get(m
->seats
, name
);
209 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_SEAT
, "No seat '%s' known", name
);
216 static int return_test_polkit(
217 sd_bus_message
*message
,
220 const char **details
,
228 r
= bus_test_polkit(message
, capability
, action
, details
, good_user
, &challenge
, e
);
235 result
= "challenge";
239 return sd_bus_reply_method_return(message
, "s", result
);
242 static int property_get_idle_hint(
245 const char *interface
,
246 const char *property
,
247 sd_bus_message
*reply
,
249 sd_bus_error
*error
) {
251 Manager
*m
= userdata
;
257 return sd_bus_message_append(reply
, "b", manager_get_idle_hint(m
, NULL
) > 0);
260 static int property_get_idle_since_hint(
263 const char *interface
,
264 const char *property
,
265 sd_bus_message
*reply
,
267 sd_bus_error
*error
) {
269 Manager
*m
= userdata
;
270 dual_timestamp t
= DUAL_TIMESTAMP_NULL
;
276 manager_get_idle_hint(m
, &t
);
278 return sd_bus_message_append(reply
, "t", streq(property
, "IdleSinceHint") ? t
.realtime
: t
.monotonic
);
281 static int property_get_inhibited(
284 const char *interface
,
285 const char *property
,
286 sd_bus_message
*reply
,
288 sd_bus_error
*error
) {
290 Manager
*m
= userdata
;
297 w
= manager_inhibit_what(m
, streq(property
, "BlockInhibited") ? INHIBIT_BLOCK
: INHIBIT_DELAY
);
299 return sd_bus_message_append(reply
, "s", inhibit_what_to_string(w
));
302 static int property_get_preparing(
305 const char *interface
,
306 const char *property
,
307 sd_bus_message
*reply
,
309 sd_bus_error
*error
) {
311 Manager
*m
= userdata
;
318 if (streq(property
, "PreparingForShutdown"))
319 b
= m
->action_what
& INHIBIT_SHUTDOWN
;
321 b
= m
->action_what
& INHIBIT_SLEEP
;
323 return sd_bus_message_append(reply
, "b", b
);
326 static int property_get_scheduled_shutdown(
329 const char *interface
,
330 const char *property
,
331 sd_bus_message
*reply
,
333 sd_bus_error
*error
) {
335 Manager
*m
= userdata
;
342 r
= sd_bus_message_open_container(reply
, 'r', "st");
346 r
= sd_bus_message_append(reply
, "st", m
->scheduled_shutdown_type
, m
->scheduled_shutdown_timeout
);
350 return sd_bus_message_close_container(reply
);
353 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_handle_action
, handle_action
, HandleAction
);
354 static BUS_DEFINE_PROPERTY_GET(property_get_docked
, "b", Manager
, manager_is_docked_or_external_displays
);
355 static BUS_DEFINE_PROPERTY_GET(property_get_lid_closed
, "b", Manager
, manager_is_lid_closed
);
356 static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_on_external_power
, "b", manager_is_on_external_power
);
357 static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_compat_user_tasks_max
, "t", CGROUP_LIMIT_MAX
);
358 static BUS_DEFINE_PROPERTY_GET_REF(property_get_hashmap_size
, "t", Hashmap
*, (uint64_t) hashmap_size
);
360 static int method_get_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
361 _cleanup_free_
char *p
= NULL
;
362 Manager
*m
= userdata
;
370 r
= sd_bus_message_read(message
, "s", &name
);
374 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
378 p
= session_bus_path(session
);
382 return sd_bus_reply_method_return(message
, "o", p
);
385 /* Get login session of a process. This is not what you are looking for these days,
386 * as apps may instead belong to a user service unit. This includes terminal
387 * emulators and hence command-line apps. */
388 static int method_get_session_by_pid(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
389 _cleanup_free_
char *p
= NULL
;
390 Session
*session
= NULL
;
391 Manager
*m
= userdata
;
398 assert_cc(sizeof(pid_t
) == sizeof(uint32_t));
400 r
= sd_bus_message_read(message
, "u", &pid
);
407 r
= manager_get_session_from_creds(m
, message
, NULL
, error
, &session
);
411 r
= manager_get_session_by_pid(m
, pid
, &session
);
416 return sd_bus_error_setf(error
, BUS_ERROR_NO_SESSION_FOR_PID
,
417 "PID "PID_FMT
" does not belong to any known session", pid
);
420 p
= session_bus_path(session
);
424 return sd_bus_reply_method_return(message
, "o", p
);
427 static int method_get_user(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
428 _cleanup_free_
char *p
= NULL
;
429 Manager
*m
= userdata
;
437 r
= sd_bus_message_read(message
, "u", &uid
);
441 r
= manager_get_user_from_creds(m
, message
, uid
, error
, &user
);
445 p
= user_bus_path(user
);
449 return sd_bus_reply_method_return(message
, "o", p
);
452 static int method_get_user_by_pid(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
453 _cleanup_free_
char *p
= NULL
;
454 Manager
*m
= userdata
;
462 assert_cc(sizeof(pid_t
) == sizeof(uint32_t));
464 r
= sd_bus_message_read(message
, "u", &pid
);
471 r
= manager_get_user_from_creds(m
, message
, UID_INVALID
, error
, &user
);
475 r
= manager_get_user_by_pid(m
, pid
, &user
);
479 return sd_bus_error_setf(error
, BUS_ERROR_NO_USER_FOR_PID
,
480 "PID "PID_FMT
" does not belong to any logged in user or lingering user",
484 p
= user_bus_path(user
);
488 return sd_bus_reply_method_return(message
, "o", p
);
491 static int method_get_seat(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
492 _cleanup_free_
char *p
= NULL
;
493 Manager
*m
= userdata
;
501 r
= sd_bus_message_read(message
, "s", &name
);
505 r
= manager_get_seat_from_creds(m
, message
, name
, error
, &seat
);
509 p
= seat_bus_path(seat
);
513 return sd_bus_reply_method_return(message
, "o", p
);
516 static int method_list_sessions(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
517 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
518 Manager
*m
= userdata
;
525 r
= sd_bus_message_new_method_return(message
, &reply
);
529 r
= sd_bus_message_open_container(reply
, 'a', "(susso)");
533 HASHMAP_FOREACH(session
, m
->sessions
) {
534 _cleanup_free_
char *p
= NULL
;
536 p
= session_bus_path(session
);
540 r
= sd_bus_message_append(reply
, "(susso)",
542 (uint32_t) session
->user
->user_record
->uid
,
543 session
->user
->user_record
->user_name
,
544 session
->seat
? session
->seat
->id
: "",
550 r
= sd_bus_message_close_container(reply
);
554 return sd_bus_send(NULL
, reply
, NULL
);
557 static int method_list_users(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
558 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
559 Manager
*m
= userdata
;
566 r
= sd_bus_message_new_method_return(message
, &reply
);
570 r
= sd_bus_message_open_container(reply
, 'a', "(uso)");
574 HASHMAP_FOREACH(user
, m
->users
) {
575 _cleanup_free_
char *p
= NULL
;
577 p
= user_bus_path(user
);
581 r
= sd_bus_message_append(reply
, "(uso)",
582 (uint32_t) user
->user_record
->uid
,
583 user
->user_record
->user_name
,
589 r
= sd_bus_message_close_container(reply
);
593 return sd_bus_send(NULL
, reply
, NULL
);
596 static int method_list_seats(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
597 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
598 Manager
*m
= userdata
;
605 r
= sd_bus_message_new_method_return(message
, &reply
);
609 r
= sd_bus_message_open_container(reply
, 'a', "(so)");
613 HASHMAP_FOREACH(seat
, m
->seats
) {
614 _cleanup_free_
char *p
= NULL
;
616 p
= seat_bus_path(seat
);
620 r
= sd_bus_message_append(reply
, "(so)", seat
->id
, p
);
625 r
= sd_bus_message_close_container(reply
);
629 return sd_bus_send(NULL
, reply
, NULL
);
632 static int method_list_inhibitors(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
633 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
634 Manager
*m
= userdata
;
635 Inhibitor
*inhibitor
;
641 r
= sd_bus_message_new_method_return(message
, &reply
);
645 r
= sd_bus_message_open_container(reply
, 'a', "(ssssuu)");
649 HASHMAP_FOREACH(inhibitor
, m
->inhibitors
) {
651 r
= sd_bus_message_append(reply
, "(ssssuu)",
652 strempty(inhibit_what_to_string(inhibitor
->what
)),
653 strempty(inhibitor
->who
),
654 strempty(inhibitor
->why
),
655 strempty(inhibit_mode_to_string(inhibitor
->mode
)),
656 (uint32_t) inhibitor
->uid
,
657 (uint32_t) inhibitor
->pid
);
662 r
= sd_bus_message_close_container(reply
);
666 return sd_bus_send(NULL
, reply
, NULL
);
669 static int method_create_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
670 const char *service
, *type
, *class, *cseat
, *tty
, *display
, *remote_user
, *remote_host
, *desktop
;
671 _cleanup_free_
char *id
= NULL
;
672 Session
*session
= NULL
;
673 uint32_t audit_id
= 0;
674 Manager
*m
= userdata
;
688 assert_cc(sizeof(pid_t
) == sizeof(uint32_t));
689 assert_cc(sizeof(uid_t
) == sizeof(uint32_t));
691 r
= sd_bus_message_read(message
, "uusssssussbss",
692 &uid
, &leader
, &service
, &type
, &class, &desktop
, &cseat
,
693 &vtnr
, &tty
, &display
, &remote
, &remote_user
, &remote_host
);
697 if (!uid_is_valid(uid
))
698 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid UID");
699 if (leader
< 0 || leader
== 1 || leader
== getpid_cached())
700 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid leader PID");
703 t
= _SESSION_TYPE_INVALID
;
705 t
= session_type_from_string(type
);
707 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
708 "Invalid session type %s", type
);
712 c
= _SESSION_CLASS_INVALID
;
714 c
= session_class_from_string(class);
716 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
717 "Invalid session class %s", class);
720 if (isempty(desktop
))
723 if (!string_is_safe(desktop
))
724 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
725 "Invalid desktop string %s", desktop
);
731 seat
= hashmap_get(m
->seats
, cseat
);
733 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_SEAT
,
734 "No seat '%s' known", cseat
);
737 if (tty_is_vc(tty
)) {
742 else if (seat
!= m
->seat0
)
743 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
744 "TTY %s is virtual console but seat %s is not seat0", tty
, seat
->id
);
746 v
= vtnr_from_tty(tty
);
748 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
749 "Cannot determine VT number from virtual console TTY %s", tty
);
753 else if (vtnr
!= (uint32_t) v
)
754 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
755 "Specified TTY and VT number do not match");
757 } else if (tty_is_console(tty
)) {
761 else if (seat
!= m
->seat0
)
762 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
763 "Console TTY specified but seat is not seat0");
766 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
767 "Console TTY specified but VT number is not 0");
771 if (seat_has_vts(seat
)) {
772 if (vtnr
<= 0 || vtnr
> 63)
773 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
774 "VT number out of range");
777 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
778 "Seat has no VTs but VT number not 0");
782 if (t
== _SESSION_TYPE_INVALID
) {
783 if (!isempty(display
))
785 else if (!isempty(tty
))
788 t
= SESSION_UNSPECIFIED
;
791 if (c
== _SESSION_CLASS_INVALID
) {
792 if (t
== SESSION_UNSPECIFIED
)
793 c
= SESSION_BACKGROUND
;
799 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
801 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_PID
, &creds
);
805 r
= sd_bus_creds_get_pid(creds
, (pid_t
*) &leader
);
810 /* Check if we are already in a logind session. Or if we are in user@.service
811 * which is a special PAM session that avoids creating a logind session. */
812 r
= manager_get_user_by_pid(m
, leader
, NULL
);
816 return sd_bus_error_setf(error
, BUS_ERROR_SESSION_BUSY
,
817 "Already running in a session or user slice");
820 * Old gdm and lightdm start the user-session on the same VT as
821 * the greeter session. But they destroy the greeter session
822 * after the user-session and want the user-session to take
823 * over the VT. We need to support this for
824 * backwards-compatibility, so make sure we allow new sessions
825 * on a VT that a greeter is running on. Furthermore, to allow
826 * re-logins, we have to allow a greeter to take over a used VT for
827 * the exact same reasons.
829 if (c
!= SESSION_GREETER
&&
831 vtnr
< m
->seat0
->position_count
&&
832 m
->seat0
->positions
[vtnr
] &&
833 m
->seat0
->positions
[vtnr
]->class != SESSION_GREETER
)
834 return sd_bus_error_setf(error
, BUS_ERROR_SESSION_BUSY
, "Already occupied by a session");
836 if (hashmap_size(m
->sessions
) >= m
->sessions_max
)
837 return sd_bus_error_setf(error
, SD_BUS_ERROR_LIMITS_EXCEEDED
,
838 "Maximum number of sessions (%" PRIu64
") reached, refusing further sessions.",
841 (void) audit_session_from_pid(leader
, &audit_id
);
842 if (audit_session_is_valid(audit_id
)) {
843 /* Keep our session IDs and the audit session IDs in sync */
845 if (asprintf(&id
, "%"PRIu32
, audit_id
) < 0)
848 /* Wut? There's already a session by this name and we didn't find it above? Weird, then let's
849 * not trust the audit data and let's better register a new ID */
850 if (hashmap_contains(m
->sessions
, id
)) {
851 log_warning("Existing logind session ID %s used by new audit session, ignoring.", id
);
852 audit_id
= AUDIT_SESSION_INVALID
;
861 if (asprintf(&id
, "c%lu", ++m
->session_counter
) < 0)
864 } while (hashmap_contains(m
->sessions
, id
));
867 /* The generated names should not clash with 'auto' or 'self' */
868 assert(!SESSION_IS_SELF(id
));
869 assert(!SESSION_IS_AUTO(id
));
871 /* If we are not watching utmp already, try again */
872 manager_reconnect_utmp(m
);
874 r
= manager_add_user_by_uid(m
, uid
, &user
);
878 r
= manager_add_session(m
, id
, &session
);
882 session_set_user(session
, user
);
883 r
= session_set_leader(session
, leader
);
887 session
->original_type
= session
->type
= t
;
889 session
->remote
= remote
;
890 session
->vtnr
= vtnr
;
893 session
->tty
= strdup(tty
);
899 session
->tty_validity
= TTY_FROM_PAM
;
902 if (!isempty(display
)) {
903 session
->display
= strdup(display
);
904 if (!session
->display
) {
910 if (!isempty(remote_user
)) {
911 session
->remote_user
= strdup(remote_user
);
912 if (!session
->remote_user
) {
918 if (!isempty(remote_host
)) {
919 session
->remote_host
= strdup(remote_host
);
920 if (!session
->remote_host
) {
926 if (!isempty(service
)) {
927 session
->service
= strdup(service
);
928 if (!session
->service
) {
934 if (!isempty(desktop
)) {
935 session
->desktop
= strdup(desktop
);
936 if (!session
->desktop
) {
943 r
= seat_attach_session(seat
, session
);
948 r
= sd_bus_message_enter_container(message
, 'a', "(sv)");
952 r
= session_start(session
, message
, error
);
956 r
= sd_bus_message_exit_container(message
);
960 session
->create_message
= sd_bus_message_ref(message
);
962 /* Now, let's wait until the slice unit and stuff got created. We send the reply back from
963 * session_send_create_reply(). */
969 session_add_to_gc_queue(session
);
972 user_add_to_gc_queue(user
);
977 static int method_release_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
978 Manager
*m
= userdata
;
986 r
= sd_bus_message_read(message
, "s", &name
);
990 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
994 r
= session_release(session
);
998 return sd_bus_reply_method_return(message
, NULL
);
1001 static int method_activate_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1002 Manager
*m
= userdata
;
1010 r
= sd_bus_message_read(message
, "s", &name
);
1014 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
1018 /* PolicyKit is done by bus_session_method_activate() */
1020 return bus_session_method_activate(message
, session
, error
);
1023 static int method_activate_session_on_seat(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1024 const char *session_name
, *seat_name
;
1025 Manager
*m
= userdata
;
1033 /* Same as ActivateSession() but refuses to work if the seat doesn't match */
1035 r
= sd_bus_message_read(message
, "ss", &session_name
, &seat_name
);
1039 r
= manager_get_session_from_creds(m
, message
, session_name
, error
, &session
);
1043 r
= manager_get_seat_from_creds(m
, message
, seat_name
, error
, &seat
);
1047 if (session
->seat
!= seat
)
1048 return sd_bus_error_setf(error
, BUS_ERROR_SESSION_NOT_ON_SEAT
,
1049 "Session %s not on seat %s", session_name
, seat_name
);
1051 r
= check_polkit_chvt(message
, m
, error
);
1055 return 1; /* Will call us back */
1057 r
= session_activate(session
);
1061 return sd_bus_reply_method_return(message
, NULL
);
1064 static int method_lock_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1065 Manager
*m
= userdata
;
1073 r
= sd_bus_message_read(message
, "s", &name
);
1077 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
1081 return bus_session_method_lock(message
, session
, error
);
1084 static int method_lock_sessions(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1085 Manager
*m
= userdata
;
1091 r
= bus_verify_polkit_async(
1094 "org.freedesktop.login1.lock-sessions",
1098 &m
->polkit_registry
,
1103 return 1; /* Will call us back */
1105 r
= session_send_lock_all(m
, streq(sd_bus_message_get_member(message
), "LockSessions"));
1109 return sd_bus_reply_method_return(message
, NULL
);
1112 static int method_kill_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1114 Manager
*m
= userdata
;
1121 r
= sd_bus_message_read(message
, "s", &name
);
1125 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
1129 return bus_session_method_kill(message
, session
, error
);
1132 static int method_kill_user(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1133 Manager
*m
= userdata
;
1141 r
= sd_bus_message_read(message
, "u", &uid
);
1145 r
= manager_get_user_from_creds(m
, message
, uid
, error
, &user
);
1149 return bus_user_method_kill(message
, user
, error
);
1152 static int method_terminate_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1153 Manager
*m
= userdata
;
1161 r
= sd_bus_message_read(message
, "s", &name
);
1165 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
1169 return bus_session_method_terminate(message
, session
, error
);
1172 static int method_terminate_user(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1173 Manager
*m
= userdata
;
1181 r
= sd_bus_message_read(message
, "u", &uid
);
1185 r
= manager_get_user_from_creds(m
, message
, uid
, error
, &user
);
1189 return bus_user_method_terminate(message
, user
, error
);
1192 static int method_terminate_seat(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1193 Manager
*m
= userdata
;
1201 r
= sd_bus_message_read(message
, "s", &name
);
1205 r
= manager_get_seat_from_creds(m
, message
, name
, error
, &seat
);
1209 return bus_seat_method_terminate(message
, seat
, error
);
1212 static int method_set_user_linger(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1213 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
1214 _cleanup_free_
char *cc
= NULL
;
1215 Manager
*m
= userdata
;
1216 int r
, b
, interactive
;
1219 uint32_t uid
, auth_uid
;
1224 r
= sd_bus_message_read(message
, "ubb", &uid
, &b
, &interactive
);
1228 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_EUID
|
1229 SD_BUS_CREDS_OWNER_UID
|SD_BUS_CREDS_AUGMENT
, &creds
);
1233 if (!uid_is_valid(uid
)) {
1234 /* Note that we get the owner UID of the session or user unit,
1235 * not the actual client UID here! */
1236 r
= sd_bus_creds_get_owner_uid(creds
, &uid
);
1241 /* owner_uid is racy, so for authorization we must use euid */
1242 r
= sd_bus_creds_get_euid(creds
, &auth_uid
);
1249 return errno_or_else(ENOENT
);
1251 r
= bus_verify_polkit_async(
1254 uid
== auth_uid
? "org.freedesktop.login1.set-self-linger" :
1255 "org.freedesktop.login1.set-user-linger",
1259 &m
->polkit_registry
,
1264 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1266 (void) mkdir_p_label("/var/lib/systemd", 0755);
1267 r
= mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0, MKDIR_WARN_MODE
);
1271 cc
= cescape(pw
->pw_name
);
1275 path
= strjoina("/var/lib/systemd/linger/", cc
);
1283 if (manager_add_user_by_uid(m
, uid
, &u
) >= 0)
1290 if (r
< 0 && errno
!= ENOENT
)
1293 u
= hashmap_get(m
->users
, UID_TO_PTR(uid
));
1295 user_add_to_gc_queue(u
);
1298 return sd_bus_reply_method_return(message
, NULL
);
1301 static int trigger_device(Manager
*m
, sd_device
*d
) {
1302 _cleanup_(sd_device_enumerator_unrefp
) sd_device_enumerator
*e
= NULL
;
1307 r
= sd_device_enumerator_new(&e
);
1311 r
= sd_device_enumerator_allow_uninitialized(e
);
1316 r
= sd_device_enumerator_add_match_parent(e
, d
);
1321 FOREACH_DEVICE(e
, d
) {
1322 _cleanup_free_
char *t
= NULL
;
1325 r
= sd_device_get_syspath(d
, &p
);
1329 t
= path_join(p
, "uevent");
1333 (void) write_string_file(t
, "change", WRITE_STRING_FILE_DISABLE_BUFFER
);
1339 static int attach_device(Manager
*m
, const char *seat
, const char *sysfs
) {
1340 _cleanup_(sd_device_unrefp
) sd_device
*d
= NULL
;
1341 _cleanup_free_
char *rule
= NULL
, *file
= NULL
;
1342 const char *id_for_seat
;
1349 r
= sd_device_new_from_syspath(&d
, sysfs
);
1353 if (sd_device_has_current_tag(d
, "seat") <= 0)
1356 if (sd_device_get_property_value(d
, "ID_FOR_SEAT", &id_for_seat
) < 0)
1359 if (asprintf(&file
, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat
) < 0)
1362 if (asprintf(&rule
, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat
, seat
) < 0)
1365 (void) mkdir_p_label("/etc/udev/rules.d", 0755);
1366 r
= write_string_file_atomic_label(file
, rule
);
1370 return trigger_device(m
, d
);
1373 static int flush_devices(Manager
*m
) {
1374 _cleanup_closedir_
DIR *d
;
1378 d
= opendir("/etc/udev/rules.d");
1380 if (errno
!= ENOENT
)
1381 log_warning_errno(errno
, "Failed to open /etc/udev/rules.d: %m");
1385 FOREACH_DIRENT_ALL(de
, d
, break) {
1386 dirent_ensure_type(d
, de
);
1387 if (!dirent_is_file(de
))
1390 if (!startswith(de
->d_name
, "72-seat-"))
1393 if (!endswith(de
->d_name
, ".rules"))
1396 if (unlinkat(dirfd(d
), de
->d_name
, 0) < 0)
1397 log_warning_errno(errno
, "Failed to unlink %s: %m", de
->d_name
);
1401 return trigger_device(m
, NULL
);
1404 static int method_attach_device(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1405 const char *sysfs
, *seat
;
1406 Manager
*m
= userdata
;
1412 r
= sd_bus_message_read(message
, "ssb", &seat
, &sysfs
, &interactive
);
1416 if (!path_is_normalized(sysfs
))
1417 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Path %s is not normalized", sysfs
);
1418 if (!path_startswith(sysfs
, "/sys"))
1419 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Path %s is not in /sys", sysfs
);
1421 if (SEAT_IS_SELF(seat
) || SEAT_IS_AUTO(seat
)) {
1424 r
= manager_get_seat_from_creds(m
, message
, seat
, error
, &found
);
1430 } else if (!seat_name_is_valid(seat
)) /* Note that a seat does not have to exist yet for this operation to succeed */
1431 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Seat name %s is not valid", seat
);
1433 r
= bus_verify_polkit_async(
1436 "org.freedesktop.login1.attach-device",
1440 &m
->polkit_registry
,
1445 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1447 r
= attach_device(m
, seat
, sysfs
);
1451 return sd_bus_reply_method_return(message
, NULL
);
1454 static int method_flush_devices(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1455 Manager
*m
= userdata
;
1461 r
= sd_bus_message_read(message
, "b", &interactive
);
1465 r
= bus_verify_polkit_async(
1468 "org.freedesktop.login1.flush-devices",
1472 &m
->polkit_registry
,
1477 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1479 r
= flush_devices(m
);
1483 return sd_bus_reply_method_return(message
, NULL
);
1486 static int have_multiple_sessions(
1494 /* Check for other users' sessions. Greeter sessions do not
1495 * count, and non-login sessions do not count either. */
1496 HASHMAP_FOREACH(session
, m
->sessions
)
1497 if (session
->class == SESSION_USER
&&
1498 session
->user
->user_record
->uid
!= uid
)
1504 static int bus_manager_log_shutdown(
1506 const char *unit_name
) {
1513 if (streq(unit_name
, SPECIAL_POWEROFF_TARGET
)) {
1514 p
= "MESSAGE=System is powering down";
1515 q
= "SHUTDOWN=power-off";
1516 } else if (streq(unit_name
, SPECIAL_REBOOT_TARGET
)) {
1517 p
= "MESSAGE=System is rebooting";
1518 q
= "SHUTDOWN=reboot";
1519 } else if (streq(unit_name
, SPECIAL_HALT_TARGET
)) {
1520 p
= "MESSAGE=System is halting";
1521 q
= "SHUTDOWN=halt";
1522 } else if (streq(unit_name
, SPECIAL_KEXEC_TARGET
)) {
1523 p
= "MESSAGE=System is rebooting with kexec";
1524 q
= "SHUTDOWN=kexec";
1526 p
= "MESSAGE=System is shutting down";
1530 if (isempty(m
->wall_message
))
1531 p
= strjoina(p
, ".");
1533 p
= strjoina(p
, " (", m
->wall_message
, ").");
1535 return log_struct(LOG_NOTICE
,
1536 "MESSAGE_ID=" SD_MESSAGE_SHUTDOWN_STR
,
1541 static int lid_switch_ignore_handler(sd_event_source
*e
, uint64_t usec
, void *userdata
) {
1542 Manager
*m
= userdata
;
1547 m
->lid_switch_ignore_event_source
= sd_event_source_unref(m
->lid_switch_ignore_event_source
);
1551 int manager_set_lid_switch_ignore(Manager
*m
, usec_t until
) {
1556 if (until
<= now(CLOCK_MONOTONIC
))
1559 /* We want to ignore the lid switch for a while after each
1560 * suspend, and after boot-up. Hence let's install a timer for
1561 * this. As long as the event source exists we ignore the lid
1564 if (m
->lid_switch_ignore_event_source
) {
1567 r
= sd_event_source_get_time(m
->lid_switch_ignore_event_source
, &u
);
1574 r
= sd_event_source_set_time(m
->lid_switch_ignore_event_source
, until
);
1576 r
= sd_event_add_time(
1578 &m
->lid_switch_ignore_event_source
,
1581 lid_switch_ignore_handler
, m
);
1586 static int send_prepare_for(Manager
*m
, InhibitWhat w
, bool _active
) {
1587 int active
= _active
;
1590 assert(IN_SET(w
, INHIBIT_SHUTDOWN
, INHIBIT_SLEEP
));
1592 return sd_bus_emit_signal(m
->bus
,
1593 "/org/freedesktop/login1",
1594 "org.freedesktop.login1.Manager",
1595 w
== INHIBIT_SHUTDOWN
? "PrepareForShutdown" : "PrepareForSleep",
1600 static int execute_shutdown_or_sleep(
1603 const char *unit_name
,
1604 sd_bus_error
*error
) {
1606 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
1612 assert(w
< _INHIBIT_WHAT_MAX
);
1615 if (w
== INHIBIT_SHUTDOWN
)
1616 bus_manager_log_shutdown(m
, unit_name
);
1618 r
= bus_call_method(
1624 "ss", unit_name
, "replace-irreversibly");
1628 r
= sd_bus_message_read(reply
, "o", &p
);
1632 r
= free_and_strdup(&m
->action_job
, p
);
1636 m
->action_unit
= unit_name
;
1639 /* Make sure the lid switch is ignored for a while */
1640 manager_set_lid_switch_ignore(m
, now(CLOCK_MONOTONIC
) + m
->holdoff_timeout_usec
);
1645 /* Tell people that they now may take a lock again */
1646 (void) send_prepare_for(m
, w
, false);
1651 int manager_dispatch_delayed(Manager
*manager
, bool timeout
) {
1653 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1654 Inhibitor
*offending
= NULL
;
1659 if (manager
->action_what
== 0 || manager
->action_job
)
1662 if (manager_is_inhibited(manager
, manager
->action_what
, INHIBIT_DELAY
, NULL
, false, false, 0, &offending
)) {
1663 _cleanup_free_
char *comm
= NULL
, *u
= NULL
;
1668 (void) get_process_comm(offending
->pid
, &comm
);
1669 u
= uid_to_name(offending
->uid
);
1671 log_notice("Delay lock is active (UID "UID_FMT
"/%s, PID "PID_FMT
"/%s) but inhibitor timeout is reached.",
1672 offending
->uid
, strna(u
),
1673 offending
->pid
, strna(comm
));
1676 /* Actually do the operation */
1677 r
= execute_shutdown_or_sleep(manager
, manager
->action_what
, manager
->action_unit
, &error
);
1679 log_warning("Error during inhibitor-delayed operation (already returned success to client): %s",
1680 bus_error_message(&error
, r
));
1682 manager
->action_unit
= NULL
;
1683 manager
->action_what
= 0;
1690 static int manager_inhibit_timeout_handler(
1695 Manager
*manager
= userdata
;
1699 assert(manager
->inhibit_timeout_source
== s
);
1701 r
= manager_dispatch_delayed(manager
, true);
1702 return (r
< 0) ? r
: 0;
1705 static int delay_shutdown_or_sleep(
1708 const char *unit_name
) {
1714 assert(w
< _INHIBIT_WHAT_MAX
);
1717 if (m
->inhibit_timeout_source
) {
1718 r
= sd_event_source_set_time_relative(m
->inhibit_timeout_source
, m
->inhibit_delay_max
);
1720 return log_error_errno(r
, "sd_event_source_set_time_relative() failed: %m");
1722 r
= sd_event_source_set_enabled(m
->inhibit_timeout_source
, SD_EVENT_ONESHOT
);
1724 return log_error_errno(r
, "sd_event_source_set_enabled() failed: %m");
1726 r
= sd_event_add_time_relative(
1728 &m
->inhibit_timeout_source
,
1729 CLOCK_MONOTONIC
, m
->inhibit_delay_max
, 0,
1730 manager_inhibit_timeout_handler
, m
);
1735 m
->action_unit
= unit_name
;
1741 int bus_manager_shutdown_or_sleep_now_or_later(
1743 const char *unit_name
,
1745 sd_bus_error
*error
) {
1747 _cleanup_free_
char *load_state
= NULL
;
1754 assert(w
< _INHIBIT_WHAT_MAX
);
1755 assert(!m
->action_job
);
1757 r
= unit_load_state(m
->bus
, unit_name
, &load_state
);
1761 if (!streq(load_state
, "loaded"))
1762 return log_notice_errno(SYNTHETIC_ERRNO(EACCES
),
1763 "Unit %s is %s, refusing operation.",
1764 unit_name
, load_state
);
1766 /* Tell everybody to prepare for shutdown/sleep */
1767 (void) send_prepare_for(m
, w
, true);
1770 m
->inhibit_delay_max
> 0 &&
1771 manager_is_inhibited(m
, w
, INHIBIT_DELAY
, NULL
, false, false, 0, NULL
);
1774 /* Shutdown is delayed, keep in mind what we
1775 * want to do, and start a timeout */
1776 r
= delay_shutdown_or_sleep(m
, w
, unit_name
);
1778 /* Shutdown is not delayed, execute it
1780 r
= execute_shutdown_or_sleep(m
, w
, unit_name
, error
);
1785 static int verify_shutdown_creds(
1787 sd_bus_message
*message
,
1790 const char *action_multiple_sessions
,
1791 const char *action_ignore_inhibit
,
1793 sd_bus_error
*error
) {
1795 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
1796 bool multiple_sessions
, blocked
, interactive
;
1803 assert(w
<= _INHIBIT_WHAT_MAX
);
1805 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_EUID
, &creds
);
1809 r
= sd_bus_creds_get_euid(creds
, &uid
);
1813 r
= have_multiple_sessions(m
, uid
);
1817 multiple_sessions
= r
> 0;
1818 blocked
= manager_is_inhibited(m
, w
, INHIBIT_BLOCK
, NULL
, false, true, uid
, NULL
);
1819 interactive
= flags
& SD_LOGIND_INTERACTIVE
;
1821 if (multiple_sessions
&& action_multiple_sessions
) {
1822 r
= bus_verify_polkit_async(message
, CAP_SYS_BOOT
, action_multiple_sessions
, NULL
, interactive
, UID_INVALID
, &m
->polkit_registry
, error
);
1826 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1830 /* We don't check polkit for root here, because you can't be more privileged than root */
1831 if (uid
== 0 && (flags
& SD_LOGIND_ROOT_CHECK_INHIBITORS
))
1832 return sd_bus_error_setf(error
, SD_BUS_ERROR_ACCESS_DENIED
,
1833 "Access denied to root due to active block inhibitor");
1835 if (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 */
1844 if (!multiple_sessions
&& !blocked
&& action
) {
1845 r
= bus_verify_polkit_async(message
, CAP_SYS_BOOT
, action
, NULL
, interactive
, UID_INVALID
, &m
->polkit_registry
, error
);
1849 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1855 static int method_do_shutdown_or_sleep(
1857 sd_bus_message
*message
,
1858 const char *unit_name
,
1861 const char *action_multiple_sessions
,
1862 const char *action_ignore_inhibit
,
1863 const char *sleep_verb
,
1865 sd_bus_error
*error
) {
1874 assert(w
<= _INHIBIT_WHAT_MAX
);
1877 /* New style method: with flags parameter (and interactive bool in the bus message header) */
1878 r
= sd_bus_message_read(message
, "t", &flags
);
1881 if ((flags
& ~SD_LOGIND_SHUTDOWN_AND_SLEEP_FLAGS_PUBLIC
) != 0)
1882 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid flags parameter");
1884 /* Old style method: no flags parameter, but interactive bool passed as boolean in
1885 * payload. Let's convert this argument to the new-style flags parameter for our internal
1889 r
= sd_bus_message_read(message
, "b", &interactive
);
1893 flags
= interactive
? SD_LOGIND_INTERACTIVE
: 0;
1896 /* Don't allow multiple jobs being executed at the same time */
1897 if (m
->action_what
> 0)
1898 return sd_bus_error_setf(error
, BUS_ERROR_OPERATION_IN_PROGRESS
,
1899 "There's already a shutdown or sleep operation in progress");
1902 r
= can_sleep(sleep_verb
);
1904 return sd_bus_error_set(error
, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED
,
1905 "Not enough swap space for hibernation");
1907 return sd_bus_error_setf(error
, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED
,
1908 "Sleep verb \"%s\" not supported", sleep_verb
);
1913 r
= verify_shutdown_creds(m
, message
, w
, action
, action_multiple_sessions
,
1914 action_ignore_inhibit
, flags
, error
);
1918 r
= bus_manager_shutdown_or_sleep_now_or_later(m
, unit_name
, w
, error
);
1922 return sd_bus_reply_method_return(message
, NULL
);
1925 static int method_poweroff(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1926 Manager
*m
= userdata
;
1928 return method_do_shutdown_or_sleep(
1930 SPECIAL_POWEROFF_TARGET
,
1932 "org.freedesktop.login1.power-off",
1933 "org.freedesktop.login1.power-off-multiple-sessions",
1934 "org.freedesktop.login1.power-off-ignore-inhibit",
1936 sd_bus_message_is_method_call(message
, NULL
, "PowerOffWithFlags"),
1940 static int method_reboot(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1941 Manager
*m
= userdata
;
1943 return method_do_shutdown_or_sleep(
1945 SPECIAL_REBOOT_TARGET
,
1947 "org.freedesktop.login1.reboot",
1948 "org.freedesktop.login1.reboot-multiple-sessions",
1949 "org.freedesktop.login1.reboot-ignore-inhibit",
1951 sd_bus_message_is_method_call(message
, NULL
, "RebootWithFlags"),
1955 static int method_halt(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1956 Manager
*m
= userdata
;
1958 return method_do_shutdown_or_sleep(
1960 SPECIAL_HALT_TARGET
,
1962 "org.freedesktop.login1.halt",
1963 "org.freedesktop.login1.halt-multiple-sessions",
1964 "org.freedesktop.login1.halt-ignore-inhibit",
1966 sd_bus_message_is_method_call(message
, NULL
, "HaltWithFlags"),
1970 static int method_suspend(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1971 Manager
*m
= userdata
;
1973 return method_do_shutdown_or_sleep(
1975 SPECIAL_SUSPEND_TARGET
,
1977 "org.freedesktop.login1.suspend",
1978 "org.freedesktop.login1.suspend-multiple-sessions",
1979 "org.freedesktop.login1.suspend-ignore-inhibit",
1981 sd_bus_message_is_method_call(message
, NULL
, "SuspendWithFlags"),
1985 static int method_hibernate(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1986 Manager
*m
= userdata
;
1988 return method_do_shutdown_or_sleep(
1990 SPECIAL_HIBERNATE_TARGET
,
1992 "org.freedesktop.login1.hibernate",
1993 "org.freedesktop.login1.hibernate-multiple-sessions",
1994 "org.freedesktop.login1.hibernate-ignore-inhibit",
1996 sd_bus_message_is_method_call(message
, NULL
, "HibernateWithFlags"),
2000 static int method_hybrid_sleep(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2001 Manager
*m
= userdata
;
2003 return method_do_shutdown_or_sleep(
2005 SPECIAL_HYBRID_SLEEP_TARGET
,
2007 "org.freedesktop.login1.hibernate",
2008 "org.freedesktop.login1.hibernate-multiple-sessions",
2009 "org.freedesktop.login1.hibernate-ignore-inhibit",
2011 sd_bus_message_is_method_call(message
, NULL
, "HybridSleepWithFlags"),
2015 static int method_suspend_then_hibernate(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2016 Manager
*m
= userdata
;
2018 return method_do_shutdown_or_sleep(
2020 SPECIAL_SUSPEND_THEN_HIBERNATE_TARGET
,
2022 "org.freedesktop.login1.hibernate",
2023 "org.freedesktop.login1.hibernate-multiple-sessions",
2024 "org.freedesktop.login1.hibernate-ignore-inhibit",
2026 sd_bus_message_is_method_call(message
, NULL
, "SuspendThenHibernateWithFlags"),
2030 static int nologin_timeout_handler(
2035 Manager
*m
= userdata
;
2037 log_info("Creating /run/nologin, blocking further logins...");
2040 create_shutdown_run_nologin_or_warn() >= 0;
2045 static int update_schedule_file(Manager
*m
) {
2046 _cleanup_free_
char *temp_path
= NULL
;
2047 _cleanup_fclose_
FILE *f
= NULL
;
2052 r
= mkdir_safe_label("/run/systemd/shutdown", 0755, 0, 0, MKDIR_WARN_MODE
);
2054 return log_error_errno(r
, "Failed to create shutdown subdirectory: %m");
2056 r
= fopen_temporary("/run/systemd/shutdown/scheduled", &f
, &temp_path
);
2058 return log_error_errno(r
, "Failed to save information about scheduled shutdowns: %m");
2060 (void) fchmod(fileno(f
), 0644);
2066 m
->scheduled_shutdown_timeout
,
2067 m
->enable_wall_messages
,
2068 m
->scheduled_shutdown_type
);
2070 if (!isempty(m
->wall_message
)) {
2071 _cleanup_free_
char *t
;
2073 t
= cescape(m
->wall_message
);
2079 fprintf(f
, "WALL_MESSAGE=%s\n", t
);
2082 r
= fflush_and_check(f
);
2086 if (rename(temp_path
, "/run/systemd/shutdown/scheduled") < 0) {
2094 (void) unlink(temp_path
);
2095 (void) unlink("/run/systemd/shutdown/scheduled");
2097 return log_error_errno(r
, "Failed to write information about scheduled shutdowns: %m");
2100 static void reset_scheduled_shutdown(Manager
*m
) {
2103 m
->scheduled_shutdown_timeout_source
= sd_event_source_unref(m
->scheduled_shutdown_timeout_source
);
2104 m
->wall_message_timeout_source
= sd_event_source_unref(m
->wall_message_timeout_source
);
2105 m
->nologin_timeout_source
= sd_event_source_unref(m
->nologin_timeout_source
);
2107 m
->scheduled_shutdown_type
= mfree(m
->scheduled_shutdown_type
);
2108 m
->scheduled_shutdown_timeout
= 0;
2109 m
->shutdown_dry_run
= false;
2111 if (m
->unlink_nologin
) {
2112 (void) unlink_or_warn("/run/nologin");
2113 m
->unlink_nologin
= false;
2116 (void) unlink("/run/systemd/shutdown/scheduled");
2119 static int manager_scheduled_shutdown_handler(
2124 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
2125 Manager
*m
= userdata
;
2131 if (isempty(m
->scheduled_shutdown_type
))
2134 if (streq(m
->scheduled_shutdown_type
, "poweroff"))
2135 target
= SPECIAL_POWEROFF_TARGET
;
2136 else if (streq(m
->scheduled_shutdown_type
, "reboot"))
2137 target
= SPECIAL_REBOOT_TARGET
;
2138 else if (streq(m
->scheduled_shutdown_type
, "halt"))
2139 target
= SPECIAL_HALT_TARGET
;
2141 assert_not_reached("unexpected shutdown type");
2143 /* Don't allow multiple jobs being executed at the same time */
2144 if (m
->action_what
> 0) {
2146 log_error("Scheduled shutdown to %s failed: shutdown or sleep operation already in progress", target
);
2150 if (m
->shutdown_dry_run
) {
2151 /* We do not process delay inhibitors here. Otherwise, we
2152 * would have to be considered "in progress" (like the check
2153 * above) for some seconds after our admin has seen the final
2156 bus_manager_log_shutdown(m
, target
);
2157 log_info("Running in dry run, suppressing action.");
2158 reset_scheduled_shutdown(m
);
2163 r
= bus_manager_shutdown_or_sleep_now_or_later(m
, target
, INHIBIT_SHUTDOWN
, &error
);
2165 log_error_errno(r
, "Scheduled shutdown to %s failed: %m", target
);
2172 reset_scheduled_shutdown(m
);
2176 static int method_schedule_shutdown(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2177 Manager
*m
= userdata
;
2178 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
2179 const char *action_multiple_sessions
= NULL
;
2180 const char *action_ignore_inhibit
= NULL
;
2181 const char *action
= NULL
;
2185 bool dry_run
= false;
2190 r
= sd_bus_message_read(message
, "st", &type
, &elapse
);
2194 if (startswith(type
, "dry-")) {
2199 if (streq(type
, "poweroff")) {
2200 action
= "org.freedesktop.login1.power-off";
2201 action_multiple_sessions
= "org.freedesktop.login1.power-off-multiple-sessions";
2202 action_ignore_inhibit
= "org.freedesktop.login1.power-off-ignore-inhibit";
2203 } else if (streq(type
, "reboot")) {
2204 action
= "org.freedesktop.login1.reboot";
2205 action_multiple_sessions
= "org.freedesktop.login1.reboot-multiple-sessions";
2206 action_ignore_inhibit
= "org.freedesktop.login1.reboot-ignore-inhibit";
2207 } else if (streq(type
, "halt")) {
2208 action
= "org.freedesktop.login1.halt";
2209 action_multiple_sessions
= "org.freedesktop.login1.halt-multiple-sessions";
2210 action_ignore_inhibit
= "org.freedesktop.login1.halt-ignore-inhibit";
2212 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Unsupported shutdown type");
2214 r
= verify_shutdown_creds(m
, message
, INHIBIT_SHUTDOWN
, action
, action_multiple_sessions
,
2215 action_ignore_inhibit
, 0, error
);
2219 if (m
->scheduled_shutdown_timeout_source
) {
2220 r
= sd_event_source_set_time(m
->scheduled_shutdown_timeout_source
, elapse
);
2222 return log_error_errno(r
, "sd_event_source_set_time() failed: %m");
2224 r
= sd_event_source_set_enabled(m
->scheduled_shutdown_timeout_source
, SD_EVENT_ONESHOT
);
2226 return log_error_errno(r
, "sd_event_source_set_enabled() failed: %m");
2228 r
= sd_event_add_time(m
->event
, &m
->scheduled_shutdown_timeout_source
,
2229 CLOCK_REALTIME
, elapse
, 0, manager_scheduled_shutdown_handler
, m
);
2231 return log_error_errno(r
, "sd_event_add_time() failed: %m");
2234 r
= free_and_strdup(&m
->scheduled_shutdown_type
, type
);
2236 m
->scheduled_shutdown_timeout_source
= sd_event_source_unref(m
->scheduled_shutdown_timeout_source
);
2240 m
->shutdown_dry_run
= dry_run
;
2242 if (m
->nologin_timeout_source
) {
2243 r
= sd_event_source_set_time(m
->nologin_timeout_source
, elapse
);
2245 return log_error_errno(r
, "sd_event_source_set_time() failed: %m");
2247 r
= sd_event_source_set_enabled(m
->nologin_timeout_source
, SD_EVENT_ONESHOT
);
2249 return log_error_errno(r
, "sd_event_source_set_enabled() failed: %m");
2251 r
= sd_event_add_time(m
->event
, &m
->nologin_timeout_source
,
2252 CLOCK_REALTIME
, elapse
- 5 * USEC_PER_MINUTE
, 0, nologin_timeout_handler
, m
);
2254 return log_error_errno(r
, "sd_event_add_time() failed: %m");
2257 m
->scheduled_shutdown_timeout
= elapse
;
2259 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_AUGMENT
|SD_BUS_CREDS_TTY
|SD_BUS_CREDS_UID
, &creds
);
2261 const char *tty
= NULL
;
2263 (void) sd_bus_creds_get_uid(creds
, &m
->scheduled_shutdown_uid
);
2264 (void) sd_bus_creds_get_tty(creds
, &tty
);
2266 r
= free_and_strdup(&m
->scheduled_shutdown_tty
, tty
);
2268 m
->scheduled_shutdown_timeout_source
= sd_event_source_unref(m
->scheduled_shutdown_timeout_source
);
2273 r
= manager_setup_wall_message_timer(m
);
2277 r
= update_schedule_file(m
);
2281 return sd_bus_reply_method_return(message
, NULL
);
2284 static int method_cancel_scheduled_shutdown(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2285 Manager
*m
= userdata
;
2291 cancelled
= m
->scheduled_shutdown_type
!= NULL
;
2292 reset_scheduled_shutdown(m
);
2294 if (cancelled
&& m
->enable_wall_messages
) {
2295 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
2296 _cleanup_free_
char *username
= NULL
;
2297 const char *tty
= NULL
;
2301 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_AUGMENT
|SD_BUS_CREDS_TTY
|SD_BUS_CREDS_UID
, &creds
);
2303 (void) sd_bus_creds_get_uid(creds
, &uid
);
2304 (void) sd_bus_creds_get_tty(creds
, &tty
);
2307 username
= uid_to_name(uid
);
2308 utmp_wall("The system shutdown has been cancelled",
2309 username
, tty
, logind_wall_tty_filter
, m
);
2312 return sd_bus_reply_method_return(message
, "b", cancelled
);
2315 static int method_can_shutdown_or_sleep(
2317 sd_bus_message
*message
,
2320 const char *action_multiple_sessions
,
2321 const char *action_ignore_inhibit
,
2322 const char *sleep_verb
,
2323 sd_bus_error
*error
) {
2325 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
2326 HandleAction handle
;
2327 bool multiple_sessions
, challenge
, blocked
;
2328 const char *result
= NULL
;
2335 assert(w
<= _INHIBIT_WHAT_MAX
);
2337 assert(action_multiple_sessions
);
2338 assert(action_ignore_inhibit
);
2341 r
= can_sleep(sleep_verb
);
2342 if (IN_SET(r
, 0, -ENOSPC
))
2343 return sd_bus_reply_method_return(message
, "s", "na");
2348 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_EUID
, &creds
);
2352 r
= sd_bus_creds_get_euid(creds
, &uid
);
2356 r
= have_multiple_sessions(m
, uid
);
2360 multiple_sessions
= r
> 0;
2361 blocked
= manager_is_inhibited(m
, w
, INHIBIT_BLOCK
, NULL
, false, true, uid
, NULL
);
2363 handle
= handle_action_from_string(sleep_verb
);
2367 target
= manager_target_for_action(handle
);
2369 _cleanup_free_
char *load_state
= NULL
;
2371 r
= unit_load_state(m
->bus
, target
, &load_state
);
2375 if (!streq(load_state
, "loaded")) {
2382 if (multiple_sessions
) {
2383 r
= bus_test_polkit(message
, CAP_SYS_BOOT
, action_multiple_sessions
, NULL
, UID_INVALID
, &challenge
, error
);
2390 result
= "challenge";
2396 r
= bus_test_polkit(message
, CAP_SYS_BOOT
, action_ignore_inhibit
, NULL
, UID_INVALID
, &challenge
, error
);
2403 } else if (challenge
) {
2404 if (!result
|| streq(result
, "yes"))
2405 result
= "challenge";
2410 if (!multiple_sessions
&& !blocked
) {
2411 /* If neither inhibit nor multiple sessions
2412 * apply then just check the normal policy */
2414 r
= bus_test_polkit(message
, CAP_SYS_BOOT
, action
, NULL
, UID_INVALID
, &challenge
, error
);
2421 result
= "challenge";
2427 return sd_bus_reply_method_return(message
, "s", result
);
2430 static int method_can_poweroff(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.power-off",
2437 "org.freedesktop.login1.power-off-multiple-sessions",
2438 "org.freedesktop.login1.power-off-ignore-inhibit",
2443 static int method_can_reboot(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.reboot",
2450 "org.freedesktop.login1.reboot-multiple-sessions",
2451 "org.freedesktop.login1.reboot-ignore-inhibit",
2456 static int method_can_halt(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.halt",
2463 "org.freedesktop.login1.halt-multiple-sessions",
2464 "org.freedesktop.login1.halt-ignore-inhibit",
2469 static int method_can_suspend(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.suspend",
2476 "org.freedesktop.login1.suspend-multiple-sessions",
2477 "org.freedesktop.login1.suspend-ignore-inhibit",
2482 static int method_can_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",
2495 static int method_can_hybrid_sleep(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2496 Manager
*m
= userdata
;
2498 return method_can_shutdown_or_sleep(
2501 "org.freedesktop.login1.hibernate",
2502 "org.freedesktop.login1.hibernate-multiple-sessions",
2503 "org.freedesktop.login1.hibernate-ignore-inhibit",
2508 static int method_can_suspend_then_hibernate(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2509 Manager
*m
= userdata
;
2511 return method_can_shutdown_or_sleep(
2514 "org.freedesktop.login1.hibernate",
2515 "org.freedesktop.login1.hibernate-multiple-sessions",
2516 "org.freedesktop.login1.hibernate-ignore-inhibit",
2517 "suspend-then-hibernate",
2521 static int property_get_reboot_parameter(
2524 const char *interface
,
2525 const char *property
,
2526 sd_bus_message
*reply
,
2528 sd_bus_error
*error
) {
2529 _cleanup_free_
char *parameter
= NULL
;
2536 r
= read_reboot_parameter(¶meter
);
2540 return sd_bus_message_append(reply
, "s", parameter
);
2543 static int method_set_reboot_parameter(
2544 sd_bus_message
*message
,
2546 sd_bus_error
*error
) {
2548 Manager
*m
= userdata
;
2555 r
= sd_bus_message_read(message
, "s", &arg
);
2559 r
= detect_container();
2563 return sd_bus_error_setf(error
, SD_BUS_ERROR_NOT_SUPPORTED
,
2564 "Reboot parameter not supported in containers, refusing.");
2566 r
= bus_verify_polkit_async(message
,
2568 "org.freedesktop.login1.set-reboot-parameter",
2572 &m
->polkit_registry
,
2577 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2579 r
= update_reboot_parameter_and_warn(arg
, false);
2583 return sd_bus_reply_method_return(message
, NULL
);
2586 static int method_can_reboot_parameter(
2587 sd_bus_message
*message
,
2589 sd_bus_error
*error
) {
2591 _unused_ Manager
*m
= userdata
;
2597 r
= detect_container();
2600 if (r
> 0) /* Inside containers, specifying a reboot parameter, doesn't make much sense */
2601 return sd_bus_reply_method_return(message
, "s", "na");
2603 return return_test_polkit(
2606 "org.freedesktop.login1.set-reboot-parameter",
2612 static int property_get_reboot_to_firmware_setup(
2615 const char *interface
,
2616 const char *property
,
2617 sd_bus_message
*reply
,
2619 sd_bus_error
*error
) {
2626 r
= getenv_bool("SYSTEMD_REBOOT_TO_FIRMWARE_SETUP");
2628 /* EFI case: let's see what is currently configured in the EFI variables */
2629 r
= efi_get_reboot_to_firmware();
2630 if (r
< 0 && r
!= -EOPNOTSUPP
)
2631 log_warning_errno(r
, "Failed to determine reboot-to-firmware-setup state: %m");
2633 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP: %m");
2635 /* Non-EFI case: let's see whether /run/systemd/reboot-to-firmware-setup exists. */
2636 if (access("/run/systemd/reboot-to-firmware-setup", F_OK
) < 0) {
2637 if (errno
!= ENOENT
)
2638 log_warning_errno(errno
, "Failed to check whether /run/systemd/reboot-to-firmware-setup exists: %m");
2645 return sd_bus_message_append(reply
, "b", r
> 0);
2648 static int method_set_reboot_to_firmware_setup(
2649 sd_bus_message
*message
,
2651 sd_bus_error
*error
) {
2653 Manager
*m
= userdata
;
2660 r
= sd_bus_message_read(message
, "b", &b
);
2664 r
= getenv_bool("SYSTEMD_REBOOT_TO_FIRMWARE_SETUP");
2666 /* EFI case: let's see what the firmware supports */
2668 r
= efi_reboot_to_firmware_supported();
2669 if (r
== -EOPNOTSUPP
)
2670 return sd_bus_error_setf(error
, SD_BUS_ERROR_NOT_SUPPORTED
, "Firmware does not support boot into firmware.");
2676 } else if (r
<= 0) {
2677 /* non-EFI case: $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP is set to off */
2680 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP: %m");
2682 return sd_bus_error_setf(error
, SD_BUS_ERROR_NOT_SUPPORTED
, "Firmware does not support boot into firmware.");
2684 /* non-EFI case: $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP is set to on */
2687 r
= bus_verify_polkit_async(message
,
2689 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2693 &m
->polkit_registry
,
2698 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2701 r
= efi_set_reboot_to_firmware(b
);
2706 r
= touch("/run/systemd/reboot-to-firmware-setup");
2710 if (unlink("/run/systemd/reboot-to-firmware-setup") < 0 && errno
!= ENOENT
)
2715 return sd_bus_reply_method_return(message
, NULL
);
2718 static int method_can_reboot_to_firmware_setup(
2719 sd_bus_message
*message
,
2721 sd_bus_error
*error
) {
2723 _unused_ Manager
*m
= userdata
;
2729 r
= getenv_bool("SYSTEMD_REBOOT_TO_FIRMWARE_SETUP");
2731 /* EFI case: let's see what the firmware supports */
2733 r
= efi_reboot_to_firmware_supported();
2735 if (r
!= -EOPNOTSUPP
)
2736 log_warning_errno(r
, "Failed to determine whether reboot to firmware is supported: %m");
2738 return sd_bus_reply_method_return(message
, "s", "na");
2741 } else if (r
<= 0) {
2742 /* Non-EFI case: let's trust $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP */
2745 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP: %m");
2747 return sd_bus_reply_method_return(message
, "s", "na");
2750 return return_test_polkit(
2753 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2759 static int property_get_reboot_to_boot_loader_menu(
2762 const char *interface
,
2763 const char *property
,
2764 sd_bus_message
*reply
,
2766 sd_bus_error
*error
) {
2768 uint64_t x
= UINT64_MAX
;
2775 r
= getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU");
2777 /* EFI case: returns the current value of LoaderConfigTimeoutOneShot. Three cases are distuingished:
2779 * 1. Variable not set, boot into boot loader menu is not enabled (we return UINT64_MAX to the user)
2780 * 2. Variable set to "0", boot into boot loader menu is enabled with no timeout (we return 0 to the user)
2781 * 3. Variable set to numeric value formatted in ASCII, boot into boot loader menu with the specified timeout in seconds
2784 r
= efi_loader_get_config_timeout_one_shot(&x
);
2787 log_warning_errno(r
, "Failed to read LoaderConfigTimeoutOneShot variable, ignoring: %m");
2791 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU: %m");
2793 _cleanup_free_
char *v
= NULL
;
2795 /* Non-EFI case, let's process /run/systemd/reboot-to-boot-loader-menu. */
2797 r
= read_one_line_file("/run/systemd/reboot-to-boot-loader-menu", &v
);
2800 log_warning_errno(r
, "Failed to read /run/systemd/reboot-to-boot-loader-menu: %m");
2802 r
= safe_atou64(v
, &x
);
2804 log_warning_errno(r
, "Failed to parse /run/systemd/reboot-to-boot-loader-menu: %m");
2808 return sd_bus_message_append(reply
, "t", x
);
2811 static int method_set_reboot_to_boot_loader_menu(
2812 sd_bus_message
*message
,
2814 sd_bus_error
*error
) {
2816 Manager
*m
= userdata
;
2824 r
= sd_bus_message_read(message
, "t", &x
);
2828 r
= getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU");
2832 /* EFI case: let's see if booting into boot loader menu is supported. */
2834 r
= efi_loader_get_features(&features
);
2836 log_warning_errno(r
, "Failed to determine whether reboot to boot loader menu is supported: %m");
2837 if (r
< 0 || !FLAGS_SET(features
, EFI_LOADER_FEATURE_CONFIG_TIMEOUT_ONE_SHOT
))
2838 return sd_bus_error_setf(error
, SD_BUS_ERROR_NOT_SUPPORTED
, "Boot loader does not support boot into boot loader menu.");
2842 } else if (r
<= 0) {
2843 /* non-EFI case: $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU is set to off */
2846 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU: %m");
2848 return sd_bus_error_setf(error
, SD_BUS_ERROR_NOT_SUPPORTED
, "Boot loader does not support boot into boot loader menu.");
2850 /* non-EFI case: $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU is set to on */
2853 r
= bus_verify_polkit_async(message
,
2855 "org.freedesktop.login1.set-reboot-to-boot-loader-menu",
2859 &m
->polkit_registry
,
2864 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2867 if (x
== UINT64_MAX
)
2868 r
= efi_set_variable(EFI_VENDOR_LOADER
, "LoaderConfigTimeoutOneShot", NULL
, 0);
2870 char buf
[DECIMAL_STR_MAX(uint64_t) + 1];
2871 xsprintf(buf
, "%" PRIu64
, DIV_ROUND_UP(x
, USEC_PER_SEC
)); /* second granularity */
2873 r
= efi_set_variable_string(EFI_VENDOR_LOADER
, "LoaderConfigTimeoutOneShot", buf
);
2878 if (x
== UINT64_MAX
) {
2879 if (unlink("/run/systemd/reboot-to-boot-loader-menu") < 0 && errno
!= ENOENT
)
2882 char buf
[DECIMAL_STR_MAX(uint64_t) + 1];
2884 xsprintf(buf
, "%" PRIu64
, x
); /* µs granularity */
2886 r
= write_string_file_atomic_label("/run/systemd/reboot-to-boot-loader-menu", buf
);
2892 return sd_bus_reply_method_return(message
, NULL
);
2895 static int method_can_reboot_to_boot_loader_menu(
2896 sd_bus_message
*message
,
2898 sd_bus_error
*error
) {
2900 _unused_ Manager
*m
= userdata
;
2906 r
= getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU");
2908 uint64_t features
= 0;
2910 /* EFI case, let's see if booting into boot loader menu is supported. */
2912 r
= efi_loader_get_features(&features
);
2914 log_warning_errno(r
, "Failed to determine whether reboot to boot loader menu is supported: %m");
2915 if (r
< 0 || !FLAGS_SET(features
, EFI_LOADER_FEATURE_CONFIG_TIMEOUT_ONE_SHOT
))
2916 return sd_bus_reply_method_return(message
, "s", "na");
2918 } else if (r
<= 0) {
2919 /* Non-EFI case: let's trust $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU */
2922 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU: %m");
2924 return sd_bus_reply_method_return(message
, "s", "na");
2927 return return_test_polkit(
2930 "org.freedesktop.login1.set-reboot-to-boot-loader-menu",
2936 static int property_get_reboot_to_boot_loader_entry(
2939 const char *interface
,
2940 const char *property
,
2941 sd_bus_message
*reply
,
2943 sd_bus_error
*error
) {
2945 _cleanup_free_
char *v
= NULL
;
2946 Manager
*m
= userdata
;
2947 const char *x
= NULL
;
2954 r
= getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY");
2956 /* EFI case: let's read the LoaderEntryOneShot variable */
2958 r
= efi_loader_update_entry_one_shot_cache(&m
->efi_loader_entry_one_shot
, &m
->efi_loader_entry_one_shot_stat
);
2961 log_warning_errno(r
, "Failed to read LoaderEntryOneShot variable, ignoring: %m");
2963 x
= m
->efi_loader_entry_one_shot
;
2966 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY: %m");
2969 /* Non-EFI case, let's process /run/systemd/reboot-to-boot-loader-entry. */
2971 r
= read_one_line_file("/run/systemd/reboot-to-boot-loader-entry", &v
);
2974 log_warning_errno(r
, "Failed to read /run/systemd/reboot-to-boot-loader-entry, ignoring: %m");
2975 } else if (!efi_loader_entry_name_valid(v
))
2976 log_warning("/run/systemd/reboot-to-boot-loader-entry is not valid, ignoring.");
2981 return sd_bus_message_append(reply
, "s", x
);
2984 static int boot_loader_entry_exists(Manager
*m
, const char *id
) {
2985 _cleanup_(boot_config_free
) BootConfig config
= {};
2991 r
= boot_entries_load_config_auto(NULL
, NULL
, &config
);
2992 if (r
< 0 && r
!= -ENOKEY
) /* don't complain if no GPT is found, hence skip ENOKEY */
2995 r
= manager_read_efi_boot_loader_entries(m
);
2997 (void) boot_entries_augment_from_loader(&config
, m
->efi_boot_loader_entries
, true);
2999 return boot_config_has_entry(&config
, id
);
3002 static int method_set_reboot_to_boot_loader_entry(
3003 sd_bus_message
*message
,
3005 sd_bus_error
*error
) {
3007 Manager
*m
= userdata
;
3015 r
= sd_bus_message_read(message
, "s", &v
);
3021 else if (efi_loader_entry_name_valid(v
)) {
3022 r
= boot_loader_entry_exists(m
, v
);
3026 return sd_bus_error_setf(error
, SD_BUS_ERROR_NOT_SUPPORTED
, "Boot loader entry '%s' is not known.", v
);
3028 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Boot loader entry name '%s' is not valid, refusing.", v
);
3030 r
= getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY");
3034 /* EFI case: let's see if booting into boot loader entry is supported. */
3036 r
= efi_loader_get_features(&features
);
3038 log_warning_errno(r
, "Failed to determine whether reboot into boot loader entry is supported: %m");
3039 if (r
< 0 || !FLAGS_SET(features
, EFI_LOADER_FEATURE_ENTRY_ONESHOT
))
3040 return sd_bus_error_setf(error
, SD_BUS_ERROR_NOT_SUPPORTED
, "Loader does not support boot into boot loader entry.");
3044 } else if (r
<= 0) {
3045 /* non-EFI case: $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY is set to off */
3048 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY: %m");
3050 return sd_bus_error_setf(error
, SD_BUS_ERROR_NOT_SUPPORTED
, "Loader does not support boot into boot loader entry.");
3052 /* non-EFI case: $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY is set to on */
3055 r
= bus_verify_polkit_async(message
,
3057 "org.freedesktop.login1.set-reboot-to-boot-loader-entry",
3061 &m
->polkit_registry
,
3066 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
3071 r
= efi_set_variable(EFI_VENDOR_LOADER
, "LoaderEntryOneShot", NULL
, 0);
3073 r
= efi_set_variable_string(EFI_VENDOR_LOADER
, "LoaderEntryOneShot", v
);
3078 if (unlink("/run/systemd/reboot-to-boot-loader-entry") < 0 && errno
!= ENOENT
)
3081 r
= write_string_file_atomic_label("/run/systemd/reboot-boot-to-loader-entry", v
);
3087 return sd_bus_reply_method_return(message
, NULL
);
3090 static int method_can_reboot_to_boot_loader_entry(
3091 sd_bus_message
*message
,
3093 sd_bus_error
*error
) {
3095 _unused_ Manager
*m
= userdata
;
3101 r
= getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY");
3103 uint64_t features
= 0;
3105 /* EFI case, let's see if booting into boot loader entry is supported. */
3107 r
= efi_loader_get_features(&features
);
3109 log_warning_errno(r
, "Failed to determine whether reboot to boot loader entry is supported: %m");
3110 if (r
< 0 || !FLAGS_SET(features
, EFI_LOADER_FEATURE_ENTRY_ONESHOT
))
3111 return sd_bus_reply_method_return(message
, "s", "na");
3113 } else if (r
<= 0) {
3114 /* Non-EFI case: let's trust $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY */
3117 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY: %m");
3119 return sd_bus_reply_method_return(message
, "s", "na");
3122 return return_test_polkit(
3125 "org.freedesktop.login1.set-reboot-to-boot-loader-entry",
3131 static int property_get_boot_loader_entries(
3134 const char *interface
,
3135 const char *property
,
3136 sd_bus_message
*reply
,
3138 sd_bus_error
*error
) {
3140 _cleanup_(boot_config_free
) BootConfig config
= {};
3141 Manager
*m
= userdata
;
3149 r
= boot_entries_load_config_auto(NULL
, NULL
, &config
);
3150 if (r
< 0 && r
!= -ENOKEY
) /* don't complain if there's no GPT found */
3153 r
= manager_read_efi_boot_loader_entries(m
);
3155 (void) boot_entries_augment_from_loader(&config
, m
->efi_boot_loader_entries
, true);
3157 r
= sd_bus_message_open_container(reply
, 'a', "s");
3161 for (i
= 0; i
< config
.n_entries
; i
++) {
3162 BootEntry
*e
= config
.entries
+ i
;
3164 r
= sd_bus_message_append(reply
, "s", e
->id
);
3169 return sd_bus_message_close_container(reply
);
3172 static int method_set_wall_message(
3173 sd_bus_message
*message
,
3175 sd_bus_error
*error
) {
3178 Manager
*m
= userdata
;
3180 unsigned enable_wall_messages
;
3185 r
= sd_bus_message_read(message
, "sb", &wall_message
, &enable_wall_messages
);
3189 /* Short-circuit the operation if the desired state is already in place, to
3190 * avoid an unnecessary polkit permission check. */
3191 if (streq_ptr(m
->wall_message
, empty_to_null(wall_message
)) &&
3192 m
->enable_wall_messages
== enable_wall_messages
)
3195 r
= bus_verify_polkit_async(message
,
3197 "org.freedesktop.login1.set-wall-message",
3201 &m
->polkit_registry
,
3206 return 1; /* Will call us back */
3208 r
= free_and_strdup(&m
->wall_message
, empty_to_null(wall_message
));
3212 m
->enable_wall_messages
= enable_wall_messages
;
3215 return sd_bus_reply_method_return(message
, NULL
);
3218 static int method_inhibit(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
3219 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
3220 const char *who
, *why
, *what
, *mode
;
3221 _cleanup_free_
char *id
= NULL
;
3222 _cleanup_close_
int fifo_fd
= -1;
3223 Manager
*m
= userdata
;
3233 r
= sd_bus_message_read(message
, "ssss", &what
, &who
, &why
, &mode
);
3237 w
= inhibit_what_from_string(what
);
3239 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
3240 "Invalid what specification %s", what
);
3242 mm
= inhibit_mode_from_string(mode
);
3244 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
3245 "Invalid mode specification %s", mode
);
3247 /* Delay is only supported for shutdown/sleep */
3248 if (mm
== INHIBIT_DELAY
&& (w
& ~(INHIBIT_SHUTDOWN
|INHIBIT_SLEEP
)))
3249 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
3250 "Delay inhibitors only supported for shutdown and sleep");
3252 /* Don't allow taking delay locks while we are already
3253 * executing the operation. We shouldn't create the impression
3254 * that the lock was successful if the machine is about to go
3255 * down/suspend any moment. */
3256 if (m
->action_what
& w
)
3257 return sd_bus_error_setf(error
, BUS_ERROR_OPERATION_IN_PROGRESS
,
3258 "The operation inhibition has been requested for is already running");
3260 r
= bus_verify_polkit_async(
3263 w
== INHIBIT_SHUTDOWN
? (mm
== INHIBIT_BLOCK
? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") :
3264 w
== INHIBIT_SLEEP
? (mm
== INHIBIT_BLOCK
? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") :
3265 w
== INHIBIT_IDLE
? "org.freedesktop.login1.inhibit-block-idle" :
3266 w
== INHIBIT_HANDLE_POWER_KEY
? "org.freedesktop.login1.inhibit-handle-power-key" :
3267 w
== INHIBIT_HANDLE_SUSPEND_KEY
? "org.freedesktop.login1.inhibit-handle-suspend-key" :
3268 w
== INHIBIT_HANDLE_REBOOT_KEY
? "org.freedesktop.login1.inhibit-handle-reboot-key" :
3269 w
== INHIBIT_HANDLE_HIBERNATE_KEY
? "org.freedesktop.login1.inhibit-handle-hibernate-key" :
3270 "org.freedesktop.login1.inhibit-handle-lid-switch",
3274 &m
->polkit_registry
,
3279 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
3281 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_EUID
|SD_BUS_CREDS_PID
, &creds
);
3285 r
= sd_bus_creds_get_euid(creds
, &uid
);
3289 r
= sd_bus_creds_get_pid(creds
, &pid
);
3293 if (hashmap_size(m
->inhibitors
) >= m
->inhibitors_max
)
3294 return sd_bus_error_setf(error
, SD_BUS_ERROR_LIMITS_EXCEEDED
,
3295 "Maximum number of inhibitors (%" PRIu64
") reached, refusing further inhibitors.",
3301 if (asprintf(&id
, "%lu", ++m
->inhibit_counter
) < 0)
3304 } while (hashmap_get(m
->inhibitors
, id
));
3306 _cleanup_(inhibitor_freep
) Inhibitor
*i
= NULL
;
3307 r
= manager_add_inhibitor(m
, id
, &i
);
3315 i
->why
= strdup(why
);
3316 i
->who
= strdup(who
);
3318 if (!i
->why
|| !i
->who
)
3321 fifo_fd
= inhibitor_create_fifo(i
);
3325 r
= inhibitor_start(i
);
3330 return sd_bus_reply_method_return(message
, "h", fifo_fd
);
3333 static const sd_bus_vtable manager_vtable
[] = {
3334 SD_BUS_VTABLE_START(0),
3336 SD_BUS_WRITABLE_PROPERTY("EnableWallMessages", "b", NULL
, NULL
, offsetof(Manager
, enable_wall_messages
), 0),
3337 SD_BUS_WRITABLE_PROPERTY("WallMessage", "s", NULL
, NULL
, offsetof(Manager
, wall_message
), 0),
3339 SD_BUS_PROPERTY("NAutoVTs", "u", NULL
, offsetof(Manager
, n_autovts
), SD_BUS_VTABLE_PROPERTY_CONST
),
3340 SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL
, offsetof(Manager
, kill_only_users
), SD_BUS_VTABLE_PROPERTY_CONST
),
3341 SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL
, offsetof(Manager
, kill_exclude_users
), SD_BUS_VTABLE_PROPERTY_CONST
),
3342 SD_BUS_PROPERTY("KillUserProcesses", "b", NULL
, offsetof(Manager
, kill_user_processes
), SD_BUS_VTABLE_PROPERTY_CONST
),
3343 SD_BUS_PROPERTY("RebootParameter", "s", property_get_reboot_parameter
, 0, 0),
3344 SD_BUS_PROPERTY("RebootToFirmwareSetup", "b", property_get_reboot_to_firmware_setup
, 0, 0),
3345 SD_BUS_PROPERTY("RebootToBootLoaderMenu", "t", property_get_reboot_to_boot_loader_menu
, 0, 0),
3346 SD_BUS_PROPERTY("RebootToBootLoaderEntry", "s", property_get_reboot_to_boot_loader_entry
, 0, 0),
3347 SD_BUS_PROPERTY("BootLoaderEntries", "as", property_get_boot_loader_entries
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
3348 SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
3349 SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
3350 SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
3351 SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
3352 SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
3353 SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL
, offsetof(Manager
, inhibit_delay_max
), SD_BUS_VTABLE_PROPERTY_CONST
),
3354 SD_BUS_PROPERTY("UserStopDelayUSec", "t", NULL
, offsetof(Manager
, user_stop_delay
), SD_BUS_VTABLE_PROPERTY_CONST
),
3355 SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action
, offsetof(Manager
, handle_power_key
), SD_BUS_VTABLE_PROPERTY_CONST
),
3356 SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action
, offsetof(Manager
, handle_suspend_key
), SD_BUS_VTABLE_PROPERTY_CONST
),
3357 SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action
, offsetof(Manager
, handle_hibernate_key
), SD_BUS_VTABLE_PROPERTY_CONST
),
3358 SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action
, offsetof(Manager
, handle_lid_switch
), SD_BUS_VTABLE_PROPERTY_CONST
),
3359 SD_BUS_PROPERTY("HandleLidSwitchExternalPower", "s", property_get_handle_action
, offsetof(Manager
, handle_lid_switch_ep
), SD_BUS_VTABLE_PROPERTY_CONST
),
3360 SD_BUS_PROPERTY("HandleLidSwitchDocked", "s", property_get_handle_action
, offsetof(Manager
, handle_lid_switch_docked
), SD_BUS_VTABLE_PROPERTY_CONST
),
3361 SD_BUS_PROPERTY("HoldoffTimeoutUSec", "t", NULL
, offsetof(Manager
, holdoff_timeout_usec
), SD_BUS_VTABLE_PROPERTY_CONST
),
3362 SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action
, offsetof(Manager
, idle_action
), SD_BUS_VTABLE_PROPERTY_CONST
),
3363 SD_BUS_PROPERTY("IdleActionUSec", "t", NULL
, offsetof(Manager
, idle_action_usec
), SD_BUS_VTABLE_PROPERTY_CONST
),
3364 SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing
, 0, 0),
3365 SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing
, 0, 0),
3366 SD_BUS_PROPERTY("ScheduledShutdown", "(st)", property_get_scheduled_shutdown
, 0, 0),
3367 SD_BUS_PROPERTY("Docked", "b", property_get_docked
, 0, 0),
3368 SD_BUS_PROPERTY("LidClosed", "b", property_get_lid_closed
, 0, 0),
3369 SD_BUS_PROPERTY("OnExternalPower", "b", property_get_on_external_power
, 0, 0),
3370 SD_BUS_PROPERTY("RemoveIPC", "b", bus_property_get_bool
, offsetof(Manager
, remove_ipc
), SD_BUS_VTABLE_PROPERTY_CONST
),
3371 SD_BUS_PROPERTY("RuntimeDirectorySize", "t", NULL
, offsetof(Manager
, runtime_dir_size
), SD_BUS_VTABLE_PROPERTY_CONST
),
3372 SD_BUS_PROPERTY("RuntimeDirectoryInodesMax", "t", NULL
, offsetof(Manager
, runtime_dir_inodes
), SD_BUS_VTABLE_PROPERTY_CONST
),
3373 SD_BUS_PROPERTY("InhibitorsMax", "t", NULL
, offsetof(Manager
, inhibitors_max
), SD_BUS_VTABLE_PROPERTY_CONST
),
3374 SD_BUS_PROPERTY("NCurrentInhibitors", "t", property_get_hashmap_size
, offsetof(Manager
, inhibitors
), 0),
3375 SD_BUS_PROPERTY("SessionsMax", "t", NULL
, offsetof(Manager
, sessions_max
), SD_BUS_VTABLE_PROPERTY_CONST
),
3376 SD_BUS_PROPERTY("NCurrentSessions", "t", property_get_hashmap_size
, offsetof(Manager
, sessions
), 0),
3377 SD_BUS_PROPERTY("UserTasksMax", "t", property_get_compat_user_tasks_max
, 0, SD_BUS_VTABLE_PROPERTY_CONST
|SD_BUS_VTABLE_HIDDEN
),
3379 SD_BUS_METHOD_WITH_NAMES("GetSession",
3381 SD_BUS_PARAM(session_id
),
3383 SD_BUS_PARAM(object_path
),
3385 SD_BUS_VTABLE_UNPRIVILEGED
),
3386 SD_BUS_METHOD_WITH_NAMES("GetSessionByPID",
3390 SD_BUS_PARAM(object_path
),
3391 method_get_session_by_pid
,
3392 SD_BUS_VTABLE_UNPRIVILEGED
),
3393 SD_BUS_METHOD_WITH_NAMES("GetUser",
3397 SD_BUS_PARAM(object_path
),
3399 SD_BUS_VTABLE_UNPRIVILEGED
),
3400 SD_BUS_METHOD_WITH_NAMES("GetUserByPID",
3404 SD_BUS_PARAM(object_path
),
3405 method_get_user_by_pid
,
3406 SD_BUS_VTABLE_UNPRIVILEGED
),
3407 SD_BUS_METHOD_WITH_NAMES("GetSeat",
3409 SD_BUS_PARAM(seat_id
),
3411 SD_BUS_PARAM(object_path
),
3413 SD_BUS_VTABLE_UNPRIVILEGED
),
3414 SD_BUS_METHOD_WITH_NAMES("ListSessions",
3417 SD_BUS_PARAM(sessions
),
3418 method_list_sessions
,
3419 SD_BUS_VTABLE_UNPRIVILEGED
),
3420 SD_BUS_METHOD_WITH_NAMES("ListUsers",
3423 SD_BUS_PARAM(users
),
3425 SD_BUS_VTABLE_UNPRIVILEGED
),
3426 SD_BUS_METHOD_WITH_NAMES("ListSeats",
3429 SD_BUS_PARAM(seats
),
3431 SD_BUS_VTABLE_UNPRIVILEGED
),
3432 SD_BUS_METHOD_WITH_NAMES("ListInhibitors",
3435 SD_BUS_PARAM(inhibitors
),
3436 method_list_inhibitors
,
3437 SD_BUS_VTABLE_UNPRIVILEGED
),
3438 SD_BUS_METHOD_WITH_NAMES("CreateSession",
3439 "uusssssussbssa(sv)",
3442 SD_BUS_PARAM(service
)
3445 SD_BUS_PARAM(desktop
)
3446 SD_BUS_PARAM(seat_id
)
3449 SD_BUS_PARAM(display
)
3450 SD_BUS_PARAM(remote
)
3451 SD_BUS_PARAM(remote_user
)
3452 SD_BUS_PARAM(remote_host
)
3453 SD_BUS_PARAM(properties
),
3455 SD_BUS_PARAM(session_id
)
3456 SD_BUS_PARAM(object_path
)
3457 SD_BUS_PARAM(runtime_path
)
3458 SD_BUS_PARAM(fifo_fd
)
3460 SD_BUS_PARAM(seat_id
)
3462 SD_BUS_PARAM(existing
),
3463 method_create_session
,
3465 SD_BUS_METHOD_WITH_NAMES("ReleaseSession",
3467 SD_BUS_PARAM(session_id
),
3469 method_release_session
,
3471 SD_BUS_METHOD_WITH_NAMES("ActivateSession",
3473 SD_BUS_PARAM(session_id
),
3475 method_activate_session
,
3476 SD_BUS_VTABLE_UNPRIVILEGED
),
3477 SD_BUS_METHOD_WITH_NAMES("ActivateSessionOnSeat",
3479 SD_BUS_PARAM(session_id
)
3480 SD_BUS_PARAM(seat_id
),
3482 method_activate_session_on_seat
,
3483 SD_BUS_VTABLE_UNPRIVILEGED
),
3484 SD_BUS_METHOD_WITH_NAMES("LockSession",
3486 SD_BUS_PARAM(session_id
),
3488 method_lock_session
,
3489 SD_BUS_VTABLE_UNPRIVILEGED
),
3490 SD_BUS_METHOD_WITH_NAMES("UnlockSession",
3492 SD_BUS_PARAM(session_id
),
3494 method_lock_session
,
3495 SD_BUS_VTABLE_UNPRIVILEGED
),
3496 SD_BUS_METHOD("LockSessions",
3499 method_lock_sessions
,
3500 SD_BUS_VTABLE_UNPRIVILEGED
),
3501 SD_BUS_METHOD("UnlockSessions",
3504 method_lock_sessions
,
3505 SD_BUS_VTABLE_UNPRIVILEGED
),
3506 SD_BUS_METHOD_WITH_NAMES("KillSession",
3508 SD_BUS_PARAM(session_id
)
3510 SD_BUS_PARAM(signal_number
),
3512 method_kill_session
,
3513 SD_BUS_VTABLE_UNPRIVILEGED
),
3514 SD_BUS_METHOD_WITH_NAMES("KillUser",
3517 SD_BUS_PARAM(signal_number
),
3520 SD_BUS_VTABLE_UNPRIVILEGED
),
3521 SD_BUS_METHOD_WITH_NAMES("TerminateSession",
3523 SD_BUS_PARAM(session_id
),
3525 method_terminate_session
,
3526 SD_BUS_VTABLE_UNPRIVILEGED
),
3527 SD_BUS_METHOD_WITH_NAMES("TerminateUser",
3531 method_terminate_user
,
3532 SD_BUS_VTABLE_UNPRIVILEGED
),
3533 SD_BUS_METHOD_WITH_NAMES("TerminateSeat",
3535 SD_BUS_PARAM(seat_id
),
3537 method_terminate_seat
,
3538 SD_BUS_VTABLE_UNPRIVILEGED
),
3539 SD_BUS_METHOD_WITH_NAMES("SetUserLinger",
3542 SD_BUS_PARAM(enable
)
3543 SD_BUS_PARAM(interactive
),
3545 method_set_user_linger
,
3546 SD_BUS_VTABLE_UNPRIVILEGED
),
3547 SD_BUS_METHOD_WITH_NAMES("AttachDevice",
3549 SD_BUS_PARAM(seat_id
)
3550 SD_BUS_PARAM(sysfs_path
)
3551 SD_BUS_PARAM(interactive
),
3553 method_attach_device
,
3554 SD_BUS_VTABLE_UNPRIVILEGED
),
3555 SD_BUS_METHOD_WITH_NAMES("FlushDevices",
3557 SD_BUS_PARAM(interactive
),
3559 method_flush_devices
,
3560 SD_BUS_VTABLE_UNPRIVILEGED
),
3561 SD_BUS_METHOD_WITH_NAMES("PowerOff",
3563 SD_BUS_PARAM(interactive
),
3566 SD_BUS_VTABLE_UNPRIVILEGED
),
3567 SD_BUS_METHOD_WITH_NAMES("PowerOffWithFlags",
3569 SD_BUS_PARAM(flags
),
3572 SD_BUS_VTABLE_UNPRIVILEGED
),
3573 SD_BUS_METHOD_WITH_NAMES("Reboot",
3575 SD_BUS_PARAM(interactive
),
3578 SD_BUS_VTABLE_UNPRIVILEGED
),
3579 SD_BUS_METHOD_WITH_NAMES("RebootWithFlags",
3581 SD_BUS_PARAM(flags
),
3584 SD_BUS_VTABLE_UNPRIVILEGED
),
3585 SD_BUS_METHOD_WITH_NAMES("Halt",
3587 SD_BUS_PARAM(interactive
),
3590 SD_BUS_VTABLE_UNPRIVILEGED
),
3591 SD_BUS_METHOD_WITH_NAMES("HaltWithFlags",
3593 SD_BUS_PARAM(flags
),
3596 SD_BUS_VTABLE_UNPRIVILEGED
),
3597 SD_BUS_METHOD_WITH_NAMES("Suspend",
3599 SD_BUS_PARAM(interactive
),
3602 SD_BUS_VTABLE_UNPRIVILEGED
),
3603 SD_BUS_METHOD_WITH_NAMES("SuspendWithFlags",
3605 SD_BUS_PARAM(flags
),
3608 SD_BUS_VTABLE_UNPRIVILEGED
),
3609 SD_BUS_METHOD_WITH_NAMES("Hibernate",
3611 SD_BUS_PARAM(interactive
),
3614 SD_BUS_VTABLE_UNPRIVILEGED
),
3615 SD_BUS_METHOD_WITH_NAMES("HibernateWithFlags",
3617 SD_BUS_PARAM(flags
),
3620 SD_BUS_VTABLE_UNPRIVILEGED
),
3621 SD_BUS_METHOD_WITH_NAMES("HybridSleep",
3623 SD_BUS_PARAM(interactive
),
3625 method_hybrid_sleep
,
3626 SD_BUS_VTABLE_UNPRIVILEGED
),
3627 SD_BUS_METHOD_WITH_NAMES("HybridSleepWithFlags",
3629 SD_BUS_PARAM(flags
),
3631 method_hybrid_sleep
,
3632 SD_BUS_VTABLE_UNPRIVILEGED
),
3633 SD_BUS_METHOD_WITH_NAMES("SuspendThenHibernate",
3635 SD_BUS_PARAM(interactive
),
3637 method_suspend_then_hibernate
,
3638 SD_BUS_VTABLE_UNPRIVILEGED
),
3639 SD_BUS_METHOD_WITH_NAMES("SuspendThenHibernateWithFlags",
3641 SD_BUS_PARAM(flags
),
3643 method_suspend_then_hibernate
,
3644 SD_BUS_VTABLE_UNPRIVILEGED
),
3645 SD_BUS_METHOD_WITH_NAMES("CanPowerOff",
3648 SD_BUS_PARAM(result
),
3649 method_can_poweroff
,
3650 SD_BUS_VTABLE_UNPRIVILEGED
),
3651 SD_BUS_METHOD_WITH_NAMES("CanReboot",
3654 SD_BUS_PARAM(result
),
3656 SD_BUS_VTABLE_UNPRIVILEGED
),
3657 SD_BUS_METHOD_WITH_NAMES("CanHalt",
3660 SD_BUS_PARAM(result
),
3662 SD_BUS_VTABLE_UNPRIVILEGED
),
3663 SD_BUS_METHOD_WITH_NAMES("CanSuspend",
3666 SD_BUS_PARAM(result
),
3668 SD_BUS_VTABLE_UNPRIVILEGED
),
3669 SD_BUS_METHOD_WITH_NAMES("CanHibernate",
3672 SD_BUS_PARAM(result
),
3673 method_can_hibernate
,
3674 SD_BUS_VTABLE_UNPRIVILEGED
),
3675 SD_BUS_METHOD_WITH_NAMES("CanHybridSleep",
3678 SD_BUS_PARAM(result
),
3679 method_can_hybrid_sleep
,
3680 SD_BUS_VTABLE_UNPRIVILEGED
),
3681 SD_BUS_METHOD_WITH_NAMES("CanSuspendThenHibernate",
3684 SD_BUS_PARAM(result
),
3685 method_can_suspend_then_hibernate
,
3686 SD_BUS_VTABLE_UNPRIVILEGED
),
3687 SD_BUS_METHOD_WITH_NAMES("ScheduleShutdown",
3692 method_schedule_shutdown
,
3693 SD_BUS_VTABLE_UNPRIVILEGED
),
3694 SD_BUS_METHOD_WITH_NAMES("CancelScheduledShutdown",
3697 SD_BUS_PARAM(cancelled
),
3698 method_cancel_scheduled_shutdown
,
3699 SD_BUS_VTABLE_UNPRIVILEGED
),
3700 SD_BUS_METHOD_WITH_NAMES("Inhibit",
3707 SD_BUS_PARAM(pipe_fd
),
3709 SD_BUS_VTABLE_UNPRIVILEGED
),
3710 SD_BUS_METHOD_WITH_NAMES("CanRebootParameter",
3713 SD_BUS_PARAM(result
),
3714 method_can_reboot_parameter
,
3715 SD_BUS_VTABLE_UNPRIVILEGED
),
3716 SD_BUS_METHOD_WITH_NAMES("SetRebootParameter",
3718 SD_BUS_PARAM(parameter
),
3720 method_set_reboot_parameter
,
3721 SD_BUS_VTABLE_UNPRIVILEGED
),
3722 SD_BUS_METHOD_WITH_NAMES("CanRebootToFirmwareSetup",
3725 SD_BUS_PARAM(result
),
3726 method_can_reboot_to_firmware_setup
,
3727 SD_BUS_VTABLE_UNPRIVILEGED
),
3728 SD_BUS_METHOD_WITH_NAMES("SetRebootToFirmwareSetup",
3730 SD_BUS_PARAM(enable
),
3732 method_set_reboot_to_firmware_setup
,
3733 SD_BUS_VTABLE_UNPRIVILEGED
),
3734 SD_BUS_METHOD_WITH_NAMES("CanRebootToBootLoaderMenu",
3737 SD_BUS_PARAM(result
),
3738 method_can_reboot_to_boot_loader_menu
,
3739 SD_BUS_VTABLE_UNPRIVILEGED
),
3740 SD_BUS_METHOD_WITH_NAMES("SetRebootToBootLoaderMenu",
3742 SD_BUS_PARAM(timeout
),
3744 method_set_reboot_to_boot_loader_menu
,
3745 SD_BUS_VTABLE_UNPRIVILEGED
),
3746 SD_BUS_METHOD_WITH_NAMES("CanRebootToBootLoaderEntry",
3749 SD_BUS_PARAM(result
),
3750 method_can_reboot_to_boot_loader_entry
,
3751 SD_BUS_VTABLE_UNPRIVILEGED
),
3752 SD_BUS_METHOD_WITH_NAMES("SetRebootToBootLoaderEntry",
3754 SD_BUS_PARAM(boot_loader_entry
),
3756 method_set_reboot_to_boot_loader_entry
,
3757 SD_BUS_VTABLE_UNPRIVILEGED
),
3758 SD_BUS_METHOD_WITH_NAMES("SetWallMessage",
3760 SD_BUS_PARAM(wall_message
)
3761 SD_BUS_PARAM(enable
),
3763 method_set_wall_message
,
3764 SD_BUS_VTABLE_UNPRIVILEGED
),
3766 SD_BUS_SIGNAL_WITH_NAMES("SessionNew",
3768 SD_BUS_PARAM(session_id
)
3769 SD_BUS_PARAM(object_path
),
3771 SD_BUS_SIGNAL_WITH_NAMES("SessionRemoved",
3773 SD_BUS_PARAM(session_id
)
3774 SD_BUS_PARAM(object_path
),
3776 SD_BUS_SIGNAL_WITH_NAMES("UserNew",
3779 SD_BUS_PARAM(object_path
),
3781 SD_BUS_SIGNAL_WITH_NAMES("UserRemoved",
3784 SD_BUS_PARAM(object_path
),
3786 SD_BUS_SIGNAL_WITH_NAMES("SeatNew",
3788 SD_BUS_PARAM(seat_id
)
3789 SD_BUS_PARAM(object_path
),
3791 SD_BUS_SIGNAL_WITH_NAMES("SeatRemoved",
3793 SD_BUS_PARAM(seat_id
)
3794 SD_BUS_PARAM(object_path
),
3796 SD_BUS_SIGNAL_WITH_NAMES("PrepareForShutdown",
3798 SD_BUS_PARAM(start
),
3800 SD_BUS_SIGNAL_WITH_NAMES("PrepareForSleep",
3802 SD_BUS_PARAM(start
),
3808 const BusObjectImplementation manager_object
= {
3809 "/org/freedesktop/login1",
3810 "org.freedesktop.login1.Manager",
3811 .vtables
= BUS_VTABLES(manager_vtable
),
3812 .children
= BUS_IMPLEMENTATIONS(&seat_object
,
3817 static int session_jobs_reply(Session
*s
, uint32_t jid
, const char *unit
, const char *result
) {
3824 if (result
&& !streq(result
, "done")) {
3825 _cleanup_(sd_bus_error_free
) sd_bus_error e
= SD_BUS_ERROR_NULL
;
3827 sd_bus_error_setf(&e
, BUS_ERROR_JOB_FAILED
,
3828 "Job %u for unit '%s' failed with '%s'", jid
, unit
, result
);
3829 return session_send_create_reply(s
, &e
);
3832 return session_send_create_reply(s
, NULL
);
3835 int match_job_removed(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
3836 const char *path
, *result
, *unit
;
3837 Manager
*m
= userdata
;
3846 r
= sd_bus_message_read(message
, "uoss", &id
, &path
, &unit
, &result
);
3848 bus_log_parse_error(r
);
3852 if (m
->action_job
&& streq(m
->action_job
, path
)) {
3853 log_info("Operation '%s' finished.", inhibit_what_to_string(m
->action_what
));
3855 /* Tell people that they now may take a lock again */
3856 (void) send_prepare_for(m
, m
->action_what
, false);
3858 m
->action_job
= mfree(m
->action_job
);
3859 m
->action_unit
= NULL
;
3864 session
= hashmap_get(m
->session_units
, unit
);
3866 if (streq_ptr(path
, session
->scope_job
)) {
3867 session
->scope_job
= mfree(session
->scope_job
);
3868 (void) session_jobs_reply(session
, id
, unit
, result
);
3870 session_save(session
);
3871 user_save(session
->user
);
3874 session_add_to_gc_queue(session
);
3877 user
= hashmap_get(m
->user_units
, unit
);
3879 if (streq_ptr(path
, user
->service_job
)) {
3880 user
->service_job
= mfree(user
->service_job
);
3882 LIST_FOREACH(sessions_by_user
, session
, user
->sessions
)
3883 (void) session_jobs_reply(session
, id
, unit
, NULL
/* don't propagate user service failures to the client */);
3888 user_add_to_gc_queue(user
);
3894 int match_unit_removed(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
3895 const char *path
, *unit
;
3896 Manager
*m
= userdata
;
3904 r
= sd_bus_message_read(message
, "so", &unit
, &path
);
3906 bus_log_parse_error(r
);
3910 session
= hashmap_get(m
->session_units
, unit
);
3912 session_add_to_gc_queue(session
);
3914 user
= hashmap_get(m
->user_units
, unit
);
3916 user_add_to_gc_queue(user
);
3921 int match_properties_changed(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
3922 _cleanup_free_
char *unit
= NULL
;
3923 Manager
*m
= userdata
;
3932 path
= sd_bus_message_get_path(message
);
3936 r
= unit_name_from_dbus_path(path
, &unit
);
3937 if (r
== -EINVAL
) /* not a unit */
3944 session
= hashmap_get(m
->session_units
, unit
);
3946 session_add_to_gc_queue(session
);
3948 user
= hashmap_get(m
->user_units
, unit
);
3950 user_add_to_gc_queue(user
);
3955 int match_reloading(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
3956 Manager
*m
= userdata
;
3963 r
= sd_bus_message_read(message
, "b", &b
);
3965 bus_log_parse_error(r
);
3972 /* systemd finished reloading, let's recheck all our sessions */
3973 log_debug("System manager has been reloaded, rechecking sessions...");
3975 HASHMAP_FOREACH(session
, m
->sessions
)
3976 session_add_to_gc_queue(session
);
3981 int manager_send_changed(Manager
*manager
, const char *property
, ...) {
3986 l
= strv_from_stdarg_alloca(property
);
3988 return sd_bus_emit_properties_changed_strv(
3990 "/org/freedesktop/login1",
3991 "org.freedesktop.login1.Manager",
3995 static int strdup_job(sd_bus_message
*reply
, char **job
) {
4000 r
= sd_bus_message_read(reply
, "o", &j
);
4012 int manager_start_scope(
4017 const char *description
,
4020 const char *requires_mounts_for
,
4021 sd_bus_message
*more_properties
,
4022 sd_bus_error
*error
,
4025 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*m
= NULL
, *reply
= NULL
;
4034 r
= bus_message_new_method_call(manager
->bus
, &m
, bus_systemd_mgr
, "StartTransientUnit");
4038 r
= sd_bus_message_append(m
, "ss", strempty(scope
), "fail");
4042 r
= sd_bus_message_open_container(m
, 'a', "(sv)");
4046 if (!isempty(slice
)) {
4047 r
= sd_bus_message_append(m
, "(sv)", "Slice", "s", slice
);
4052 if (!isempty(description
)) {
4053 r
= sd_bus_message_append(m
, "(sv)", "Description", "s", description
);
4058 STRV_FOREACH(i
, wants
) {
4059 r
= sd_bus_message_append(m
, "(sv)", "Wants", "as", 1, *i
);
4064 STRV_FOREACH(i
, after
) {
4065 r
= sd_bus_message_append(m
, "(sv)", "After", "as", 1, *i
);
4070 if (!empty_or_root(requires_mounts_for
)) {
4071 r
= sd_bus_message_append(m
, "(sv)", "RequiresMountsFor", "as", 1, requires_mounts_for
);
4076 /* Make sure that the session shells are terminated with SIGHUP since bash and friends tend to ignore
4078 r
= sd_bus_message_append(m
, "(sv)", "SendSIGHUP", "b", true);
4082 r
= sd_bus_message_append(m
, "(sv)", "PIDs", "au", 1, pid
);
4086 /* disable TasksMax= for the session scope, rely on the slice setting for it */
4087 r
= sd_bus_message_append(m
, "(sv)", "TasksMax", "t", (uint64_t)-1);
4089 return bus_log_create_error(r
);
4091 if (more_properties
) {
4092 /* If TasksMax also appears here, it will overwrite the default value set above */
4093 r
= sd_bus_message_copy(m
, more_properties
, true);
4098 r
= sd_bus_message_close_container(m
);
4102 r
= sd_bus_message_append(m
, "a(sa(sv))", 0);
4106 r
= sd_bus_call(manager
->bus
, m
, 0, error
, &reply
);
4110 return strdup_job(reply
, job
);
4113 int manager_start_unit(Manager
*manager
, const char *unit
, sd_bus_error
*error
, char **job
) {
4114 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
4121 r
= bus_call_method(
4127 "ss", unit
, "replace");
4131 return strdup_job(reply
, job
);
4134 int manager_stop_unit(Manager
*manager
, const char *unit
, const char *job_mode
, sd_bus_error
*error
, char **ret_job
) {
4135 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
4142 r
= bus_call_method(
4148 "ss", unit
, job_mode
?: "fail");
4150 if (sd_bus_error_has_names(error
, BUS_ERROR_NO_SUCH_UNIT
,
4151 BUS_ERROR_LOAD_FAILED
)) {
4154 sd_bus_error_free(error
);
4161 return strdup_job(reply
, ret_job
);
4164 int manager_abandon_scope(Manager
*manager
, const char *scope
, sd_bus_error
*ret_error
) {
4165 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
4166 _cleanup_free_
char *path
= NULL
;
4172 path
= unit_dbus_path_from_name(scope
);
4176 r
= sd_bus_call_method(
4178 "org.freedesktop.systemd1",
4180 "org.freedesktop.systemd1.Scope",
4186 if (sd_bus_error_has_names(&error
, BUS_ERROR_NO_SUCH_UNIT
,
4187 BUS_ERROR_LOAD_FAILED
,
4188 BUS_ERROR_SCOPE_NOT_RUNNING
))
4191 sd_bus_error_move(ret_error
, &error
);
4198 int manager_kill_unit(Manager
*manager
, const char *unit
, KillWho who
, int signo
, sd_bus_error
*error
) {
4202 return bus_call_method(
4208 "ssi", unit
, who
== KILL_LEADER
? "main" : "all", signo
);
4211 int manager_unit_is_active(Manager
*manager
, const char *unit
, sd_bus_error
*ret_error
) {
4212 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
4213 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
4214 _cleanup_free_
char *path
= NULL
;
4221 path
= unit_dbus_path_from_name(unit
);
4225 r
= sd_bus_get_property(
4227 "org.freedesktop.systemd1",
4229 "org.freedesktop.systemd1.Unit",
4235 /* systemd might have dropped off momentarily, let's
4236 * not make this an error */
4237 if (sd_bus_error_has_names(&error
, SD_BUS_ERROR_NO_REPLY
,
4238 SD_BUS_ERROR_DISCONNECTED
))
4241 /* If the unit is already unloaded then it's not
4243 if (sd_bus_error_has_names(&error
, BUS_ERROR_NO_SUCH_UNIT
,
4244 BUS_ERROR_LOAD_FAILED
))
4247 sd_bus_error_move(ret_error
, &error
);
4251 r
= sd_bus_message_read(reply
, "s", &state
);
4255 return !STR_IN_SET(state
, "inactive", "failed");
4258 int manager_job_is_active(Manager
*manager
, const char *path
, sd_bus_error
*ret_error
) {
4259 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
4260 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
4266 r
= sd_bus_get_property(
4268 "org.freedesktop.systemd1",
4270 "org.freedesktop.systemd1.Job",
4276 if (sd_bus_error_has_names(&error
, SD_BUS_ERROR_NO_REPLY
,
4277 SD_BUS_ERROR_DISCONNECTED
))
4280 if (sd_bus_error_has_name(&error
, SD_BUS_ERROR_UNKNOWN_OBJECT
))
4283 sd_bus_error_move(ret_error
, &error
);
4287 /* We don't actually care about the state really. The fact
4288 * that we could read the job state is enough for us */