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"
24 #include "efi-loader.h"
29 #include "event-util.h"
31 #include "fileio-label.h"
33 #include "format-util.h"
35 #include "logind-action.h"
36 #include "logind-dbus.h"
37 #include "logind-polkit.h"
38 #include "logind-seat-dbus.h"
39 #include "logind-session-dbus.h"
40 #include "logind-user-dbus.h"
42 #include "missing_capability.h"
43 #include "mkdir-label.h"
44 #include "parse-util.h"
45 #include "path-util.h"
46 #include "process-util.h"
47 #include "reboot-util.h"
48 #include "selinux-util.h"
49 #include "sleep-config.h"
51 #include "serialize.h"
52 #include "stdio-util.h"
54 #include "terminal-util.h"
55 #include "tmpfile-util.h"
56 #include "unit-name.h"
57 #include "user-util.h"
58 #include "utmp-wtmp.h"
62 /* As a random fun fact sysvinit had a 252 (256-(strlen(" \r\n")+1))
63 * character limit for the wall message.
64 * https://git.savannah.nongnu.org/cgit/sysvinit.git/tree/src/shutdown.c#n72
65 * There is no real technical need for that but doesn't make sense
66 * to store arbitrary amounts either. As we are not stingy here, we
69 #define WALL_MESSAGE_MAX 4096U
71 #define SHUTDOWN_SCHEDULE_FILE "/run/systemd/shutdown/scheduled"
73 static int update_schedule_file(Manager
*m
);
74 static void reset_scheduled_shutdown(Manager
*m
);
75 static int manager_setup_shutdown_timers(Manager
* m
);
77 static int get_sender_session(
79 sd_bus_message
*message
,
84 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
85 Session
*session
= NULL
;
89 /* Acquire the sender's session. This first checks if the sending process is inside a session itself,
90 * and returns that. If not and 'consult_display' is true, this returns the display session of the
91 * owning user of the caller. */
93 r
= sd_bus_query_sender_creds(message
,
94 SD_BUS_CREDS_SESSION
|SD_BUS_CREDS_AUGMENT
|
95 (consult_display
? SD_BUS_CREDS_OWNER_UID
: 0), &creds
);
99 r
= sd_bus_creds_get_session(creds
, &name
);
104 if (consult_display
) {
107 r
= sd_bus_creds_get_owner_uid(creds
, &uid
);
114 user
= hashmap_get(m
->users
, UID_TO_PTR(uid
));
116 session
= user
->display
;
120 session
= hashmap_get(m
->sessions
, name
);
123 return sd_bus_error_setf(error
, BUS_ERROR_NO_SESSION_FOR_PID
,
125 "Caller does not belong to any known session and doesn't own any suitable session." :
126 "Caller does not belong to any known session.");
132 int manager_get_session_from_creds(
134 sd_bus_message
*message
,
144 if (SEAT_IS_SELF(name
)) /* the caller's own session */
145 return get_sender_session(m
, message
, false, error
, ret
);
146 if (SEAT_IS_AUTO(name
)) /* The caller's own session if they have one, otherwise their user's display session */
147 return get_sender_session(m
, message
, true, error
, ret
);
149 session
= hashmap_get(m
->sessions
, name
);
151 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_SESSION
, "No session '%s' known", name
);
157 static int get_sender_user(Manager
*m
, sd_bus_message
*message
, sd_bus_error
*error
, User
**ret
) {
158 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
163 /* Note that we get the owner UID of the session, not the actual client UID here! */
164 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_OWNER_UID
|SD_BUS_CREDS_AUGMENT
, &creds
);
168 r
= sd_bus_creds_get_owner_uid(creds
, &uid
);
175 user
= hashmap_get(m
->users
, UID_TO_PTR(uid
));
178 return sd_bus_error_setf(error
, BUS_ERROR_NO_USER_FOR_PID
,
179 "Caller does not belong to any logged in or lingering user");
185 int manager_get_user_from_creds(Manager
*m
, sd_bus_message
*message
, uid_t uid
, sd_bus_error
*error
, User
**ret
) {
191 if (!uid_is_valid(uid
))
192 return get_sender_user(m
, message
, error
, ret
);
194 user
= hashmap_get(m
->users
, UID_TO_PTR(uid
));
196 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_USER
,
197 "User ID "UID_FMT
" is not logged in or lingering", uid
);
203 int manager_get_seat_from_creds(
205 sd_bus_message
*message
,
216 if (SEAT_IS_SELF(name
) || SEAT_IS_AUTO(name
)) {
219 /* Use these special seat names as session names */
220 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
224 seat
= session
->seat
;
226 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_SEAT
, "Session '%s' has no seat.", session
->id
);
228 seat
= hashmap_get(m
->seats
, name
);
230 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_SEAT
, "No seat '%s' known", name
);
237 static int return_test_polkit(
238 sd_bus_message
*message
,
240 const char **details
,
248 r
= bus_test_polkit(message
, action
, details
, good_user
, &challenge
, e
);
255 result
= "challenge";
259 return sd_bus_reply_method_return(message
, "s", result
);
262 static int property_get_idle_hint(
265 const char *interface
,
266 const char *property
,
267 sd_bus_message
*reply
,
269 sd_bus_error
*error
) {
271 Manager
*m
= ASSERT_PTR(userdata
);
276 return sd_bus_message_append(reply
, "b", manager_get_idle_hint(m
, NULL
) > 0);
279 static int property_get_idle_since_hint(
282 const char *interface
,
283 const char *property
,
284 sd_bus_message
*reply
,
286 sd_bus_error
*error
) {
288 Manager
*m
= ASSERT_PTR(userdata
);
289 dual_timestamp t
= DUAL_TIMESTAMP_NULL
;
294 manager_get_idle_hint(m
, &t
);
296 return sd_bus_message_append(reply
, "t", streq(property
, "IdleSinceHint") ? t
.realtime
: t
.monotonic
);
299 static int property_get_inhibited(
302 const char *interface
,
303 const char *property
,
304 sd_bus_message
*reply
,
306 sd_bus_error
*error
) {
308 Manager
*m
= ASSERT_PTR(userdata
);
314 w
= manager_inhibit_what(m
, streq(property
, "BlockInhibited") ? INHIBIT_BLOCK
: INHIBIT_DELAY
);
316 return sd_bus_message_append(reply
, "s", inhibit_what_to_string(w
));
319 static int property_get_preparing(
322 const char *interface
,
323 const char *property
,
324 sd_bus_message
*reply
,
326 sd_bus_error
*error
) {
328 Manager
*m
= ASSERT_PTR(userdata
);
334 if (m
->delayed_action
) {
335 if (streq(property
, "PreparingForShutdown"))
336 b
= m
->delayed_action
->inhibit_what
& INHIBIT_SHUTDOWN
;
338 b
= m
->delayed_action
->inhibit_what
& INHIBIT_SLEEP
;
341 return sd_bus_message_append(reply
, "b", b
);
344 static int property_get_sleep_operations(
347 const char *interface
,
348 const char *property
,
349 sd_bus_message
*reply
,
351 sd_bus_error
*error
) {
353 Manager
*m
= ASSERT_PTR(userdata
);
354 _cleanup_strv_free_
char **actions
= NULL
;
360 r
= handle_action_get_enabled_sleep_actions(m
->handle_action_sleep_mask
, &actions
);
364 return sd_bus_message_append_strv(reply
, actions
);
367 static int property_get_scheduled_shutdown(
370 const char *interface
,
371 const char *property
,
372 sd_bus_message
*reply
,
374 sd_bus_error
*error
) {
376 Manager
*m
= ASSERT_PTR(userdata
);
382 r
= sd_bus_message_open_container(reply
, 'r', "st");
386 r
= sd_bus_message_append(
388 handle_action_to_string(m
->scheduled_shutdown_action
),
389 m
->scheduled_shutdown_timeout
);
393 return sd_bus_message_close_container(reply
);
396 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_handle_action
, handle_action
, HandleAction
);
397 static BUS_DEFINE_PROPERTY_GET(property_get_docked
, "b", Manager
, manager_is_docked_or_external_displays
);
398 static BUS_DEFINE_PROPERTY_GET(property_get_lid_closed
, "b", Manager
, manager_is_lid_closed
);
399 static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_on_external_power
, "b", manager_is_on_external_power());
400 static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_compat_user_tasks_max
, "t", CGROUP_LIMIT_MAX
);
401 static BUS_DEFINE_PROPERTY_GET_REF(property_get_hashmap_size
, "t", Hashmap
*, (uint64_t) hashmap_size
);
403 static int method_get_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
404 _cleanup_free_
char *p
= NULL
;
405 Manager
*m
= ASSERT_PTR(userdata
);
412 r
= sd_bus_message_read(message
, "s", &name
);
416 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
420 p
= session_bus_path(session
);
424 return sd_bus_reply_method_return(message
, "o", p
);
427 /* Get login session of a process. This is not what you are looking for these days,
428 * as apps may instead belong to a user service unit. This includes terminal
429 * emulators and hence command-line apps. */
430 static int method_get_session_by_pid(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
431 Manager
*m
= ASSERT_PTR(userdata
);
432 _cleanup_free_
char *p
= NULL
;
433 Session
*session
= NULL
;
439 assert_cc(sizeof(pid_t
) == sizeof(uint32_t));
441 r
= sd_bus_message_read(message
, "u", &pid
);
448 r
= manager_get_session_from_creds(m
, message
, NULL
, error
, &session
);
452 r
= manager_get_session_by_pidref(m
, &PIDREF_MAKE_FROM_PID(pid
), &session
);
457 return sd_bus_error_setf(error
, BUS_ERROR_NO_SESSION_FOR_PID
,
458 "PID "PID_FMT
" does not belong to any known session", pid
);
461 p
= session_bus_path(session
);
465 return sd_bus_reply_method_return(message
, "o", p
);
468 static int method_get_user(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
469 _cleanup_free_
char *p
= NULL
;
470 Manager
*m
= ASSERT_PTR(userdata
);
477 r
= sd_bus_message_read(message
, "u", &uid
);
481 r
= manager_get_user_from_creds(m
, message
, uid
, error
, &user
);
485 p
= user_bus_path(user
);
489 return sd_bus_reply_method_return(message
, "o", p
);
492 static int method_get_user_by_pid(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
493 _cleanup_free_
char *p
= NULL
;
494 Manager
*m
= ASSERT_PTR(userdata
);
501 assert_cc(sizeof(pid_t
) == sizeof(uint32_t));
503 r
= sd_bus_message_read(message
, "u", &pid
);
510 r
= manager_get_user_from_creds(m
, message
, UID_INVALID
, error
, &user
);
514 r
= manager_get_user_by_pid(m
, pid
, &user
);
518 return sd_bus_error_setf(error
, BUS_ERROR_NO_USER_FOR_PID
,
519 "PID "PID_FMT
" does not belong to any logged in user or lingering user",
523 p
= user_bus_path(user
);
527 return sd_bus_reply_method_return(message
, "o", p
);
530 static int method_get_seat(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
531 _cleanup_free_
char *p
= NULL
;
532 Manager
*m
= ASSERT_PTR(userdata
);
539 r
= sd_bus_message_read(message
, "s", &name
);
543 r
= manager_get_seat_from_creds(m
, message
, name
, error
, &seat
);
547 p
= seat_bus_path(seat
);
551 return sd_bus_reply_method_return(message
, "o", p
);
554 static int method_list_sessions(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
555 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
556 Manager
*m
= ASSERT_PTR(userdata
);
562 r
= sd_bus_message_new_method_return(message
, &reply
);
566 r
= sd_bus_message_open_container(reply
, 'a', "(susso)");
570 HASHMAP_FOREACH(session
, m
->sessions
) {
571 _cleanup_free_
char *p
= NULL
;
573 p
= session_bus_path(session
);
577 r
= sd_bus_message_append(reply
, "(susso)",
579 (uint32_t) session
->user
->user_record
->uid
,
580 session
->user
->user_record
->user_name
,
581 session
->seat
? session
->seat
->id
: "",
587 r
= sd_bus_message_close_container(reply
);
591 return sd_bus_send(NULL
, reply
, NULL
);
594 static int method_list_users(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
595 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
596 Manager
*m
= ASSERT_PTR(userdata
);
602 r
= sd_bus_message_new_method_return(message
, &reply
);
606 r
= sd_bus_message_open_container(reply
, 'a', "(uso)");
610 HASHMAP_FOREACH(user
, m
->users
) {
611 _cleanup_free_
char *p
= NULL
;
613 p
= user_bus_path(user
);
617 r
= sd_bus_message_append(reply
, "(uso)",
618 (uint32_t) user
->user_record
->uid
,
619 user
->user_record
->user_name
,
625 r
= sd_bus_message_close_container(reply
);
629 return sd_bus_send(NULL
, reply
, NULL
);
632 static int method_list_seats(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
633 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
634 Manager
*m
= ASSERT_PTR(userdata
);
640 r
= sd_bus_message_new_method_return(message
, &reply
);
644 r
= sd_bus_message_open_container(reply
, 'a', "(so)");
648 HASHMAP_FOREACH(seat
, m
->seats
) {
649 _cleanup_free_
char *p
= NULL
;
651 p
= seat_bus_path(seat
);
655 r
= sd_bus_message_append(reply
, "(so)", seat
->id
, p
);
660 r
= sd_bus_message_close_container(reply
);
664 return sd_bus_send(NULL
, reply
, NULL
);
667 static int method_list_inhibitors(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
668 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
669 Manager
*m
= ASSERT_PTR(userdata
);
670 Inhibitor
*inhibitor
;
675 r
= sd_bus_message_new_method_return(message
, &reply
);
679 r
= sd_bus_message_open_container(reply
, 'a', "(ssssuu)");
683 HASHMAP_FOREACH(inhibitor
, m
->inhibitors
) {
685 r
= sd_bus_message_append(reply
, "(ssssuu)",
686 strempty(inhibit_what_to_string(inhibitor
->what
)),
687 strempty(inhibitor
->who
),
688 strempty(inhibitor
->why
),
689 strempty(inhibit_mode_to_string(inhibitor
->mode
)),
690 (uint32_t) inhibitor
->uid
,
691 (uint32_t) inhibitor
->pid
.pid
);
696 r
= sd_bus_message_close_container(reply
);
700 return sd_bus_send(NULL
, reply
, NULL
);
703 static int create_session(
704 sd_bus_message
*message
,
719 const char *remote_user
,
720 const char *remote_host
,
723 _cleanup_(pidref_done
) PidRef leader
= PIDREF_NULL
;
724 Manager
*m
= ASSERT_PTR(userdata
);
725 _cleanup_free_
char *id
= NULL
;
726 Session
*session
= NULL
;
727 uint32_t audit_id
= 0;
736 if (!uid_is_valid(uid
))
737 return sd_bus_error_set(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid UID");
740 return sd_bus_error_set(error
, SD_BUS_ERROR_INVALID_ARGS
, "Flags must be zero.");
743 r
= pidref_set_pidfd(&leader
, pidfd
);
746 } else if (pid
== 0) {
747 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
750 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_PID
, &creds
);
754 r
= sd_bus_creds_get_pid(creds
, &p
);
758 r
= pidref_set_pid(&leader
, p
);
764 r
= pidref_set_pid(&leader
, pid
);
769 if (leader
.pid
== 1 || leader
.pid
== getpid_cached())
770 return sd_bus_error_set(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid leader PID");
773 t
= _SESSION_TYPE_INVALID
;
775 t
= session_type_from_string(type
);
777 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
778 "Invalid session type %s", type
);
782 c
= _SESSION_CLASS_INVALID
;
784 c
= session_class_from_string(class);
786 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
787 "Invalid session class %s", class);
790 if (isempty(desktop
))
793 if (!string_is_safe(desktop
))
794 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
795 "Invalid desktop string %s", desktop
);
801 seat
= hashmap_get(m
->seats
, cseat
);
803 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_SEAT
,
804 "No seat '%s' known", cseat
);
807 if (tty_is_vc(tty
)) {
812 else if (seat
!= m
->seat0
)
813 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
814 "TTY %s is virtual console but seat %s is not seat0", tty
, seat
->id
);
816 v
= vtnr_from_tty(tty
);
818 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
819 "Cannot determine VT number from virtual console TTY %s", tty
);
823 else if (vtnr
!= (uint32_t) v
)
824 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
825 "Specified TTY and VT number do not match");
827 } else if (tty_is_console(tty
)) {
831 else if (seat
!= m
->seat0
)
832 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
833 "Console TTY specified but seat is not seat0");
836 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
837 "Console TTY specified but VT number is not 0");
841 if (seat_has_vts(seat
)) {
842 if (vtnr
<= 0 || vtnr
> 63)
843 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
844 "VT number out of range");
847 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
848 "Seat has no VTs but VT number not 0");
852 if (t
== _SESSION_TYPE_INVALID
) {
853 if (!isempty(display
))
855 else if (!isempty(tty
))
858 t
= SESSION_UNSPECIFIED
;
861 if (c
== _SESSION_CLASS_INVALID
) {
862 if (t
== SESSION_UNSPECIFIED
)
863 c
= SESSION_BACKGROUND
;
868 /* Check if we are already in a logind session. Or if we are in user@.service
869 * which is a special PAM session that avoids creating a logind session. */
870 r
= manager_get_user_by_pid(m
, leader
.pid
, NULL
);
874 return sd_bus_error_setf(error
, BUS_ERROR_SESSION_BUSY
,
875 "Already running in a session or user slice");
878 * Old gdm and lightdm start the user-session on the same VT as
879 * the greeter session. But they destroy the greeter session
880 * after the user-session and want the user-session to take
881 * over the VT. We need to support this for
882 * backwards-compatibility, so make sure we allow new sessions
883 * on a VT that a greeter is running on. Furthermore, to allow
884 * re-logins, we have to allow a greeter to take over a used VT for
885 * the exact same reasons.
887 if (c
!= SESSION_GREETER
&&
889 vtnr
< MALLOC_ELEMENTSOF(m
->seat0
->positions
) &&
890 m
->seat0
->positions
[vtnr
] &&
891 m
->seat0
->positions
[vtnr
]->class != SESSION_GREETER
)
892 return sd_bus_error_set(error
, BUS_ERROR_SESSION_BUSY
, "Already occupied by a session");
894 if (hashmap_size(m
->sessions
) >= m
->sessions_max
)
895 return sd_bus_error_setf(error
, SD_BUS_ERROR_LIMITS_EXCEEDED
,
896 "Maximum number of sessions (%" PRIu64
") reached, refusing further sessions.",
899 (void) audit_session_from_pid(leader
.pid
, &audit_id
);
900 if (audit_session_is_valid(audit_id
)) {
901 /* Keep our session IDs and the audit session IDs in sync */
903 if (asprintf(&id
, "%"PRIu32
, audit_id
) < 0)
906 /* Wut? There's already a session by this name and we didn't find it above? Weird, then let's
907 * not trust the audit data and let's better register a new ID */
908 if (hashmap_contains(m
->sessions
, id
)) {
909 log_warning("Existing logind session ID %s used by new audit session, ignoring.", id
);
910 audit_id
= AUDIT_SESSION_INVALID
;
919 if (asprintf(&id
, "c%" PRIu64
, ++m
->session_counter
) < 0)
922 } while (hashmap_contains(m
->sessions
, id
));
925 /* The generated names should not clash with 'auto' or 'self' */
926 assert(!SESSION_IS_SELF(id
));
927 assert(!SESSION_IS_AUTO(id
));
929 /* If we are not watching utmp already, try again */
930 manager_reconnect_utmp(m
);
932 r
= manager_add_user_by_uid(m
, uid
, &user
);
936 r
= manager_add_session(m
, id
, &session
);
940 session_set_user(session
, user
);
941 r
= session_set_leader_consume(session
, TAKE_PIDREF(leader
));
945 session
->original_type
= session
->type
= t
;
947 session
->remote
= remote
;
948 session
->vtnr
= vtnr
;
951 session
->tty
= strdup(tty
);
957 session
->tty_validity
= TTY_FROM_PAM
;
960 if (!isempty(display
)) {
961 session
->display
= strdup(display
);
962 if (!session
->display
) {
968 if (!isempty(remote_user
)) {
969 session
->remote_user
= strdup(remote_user
);
970 if (!session
->remote_user
) {
976 if (!isempty(remote_host
)) {
977 session
->remote_host
= strdup(remote_host
);
978 if (!session
->remote_host
) {
984 if (!isempty(service
)) {
985 session
->service
= strdup(service
);
986 if (!session
->service
) {
992 if (!isempty(desktop
)) {
993 session
->desktop
= strdup(desktop
);
994 if (!session
->desktop
) {
1001 r
= seat_attach_session(seat
, session
);
1006 r
= sd_bus_message_enter_container(message
, 'a', "(sv)");
1010 r
= session_start(session
, message
, error
);
1014 r
= sd_bus_message_exit_container(message
);
1018 session
->create_message
= sd_bus_message_ref(message
);
1020 /* Now, let's wait until the slice unit and stuff got created. We send the reply back from
1021 * session_send_create_reply(). */
1027 session_add_to_gc_queue(session
);
1030 user_add_to_gc_queue(user
);
1035 static int method_create_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1036 const char *service
, *type
, *class, *cseat
, *tty
, *display
, *remote_user
, *remote_host
, *desktop
;
1045 assert_cc(sizeof(pid_t
) == sizeof(uint32_t));
1046 assert_cc(sizeof(uid_t
) == sizeof(uint32_t));
1048 r
= sd_bus_message_read(message
,
1066 return create_session(
1072 /* pidfd = */ -EBADF
,
1087 static int method_create_session_pidfd(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1088 const char *service
, *type
, *class, *cseat
, *tty
, *display
, *remote_user
, *remote_host
, *desktop
;
1089 int leaderfd
= -EBADF
;
1096 r
= sd_bus_message_read(message
,
1115 return create_session(
1136 static int method_release_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1137 Manager
*m
= ASSERT_PTR(userdata
);
1144 r
= sd_bus_message_read(message
, "s", &name
);
1148 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
1152 r
= session_release(session
);
1156 return sd_bus_reply_method_return(message
, NULL
);
1159 static int method_activate_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1160 Manager
*m
= ASSERT_PTR(userdata
);
1167 r
= sd_bus_message_read(message
, "s", &name
);
1171 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
1175 /* PolicyKit is done by bus_session_method_activate() */
1177 return bus_session_method_activate(message
, session
, error
);
1180 static int method_activate_session_on_seat(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1181 const char *session_name
, *seat_name
;
1182 Manager
*m
= ASSERT_PTR(userdata
);
1189 /* Same as ActivateSession() but refuses to work if the seat doesn't match */
1191 r
= sd_bus_message_read(message
, "ss", &session_name
, &seat_name
);
1195 r
= manager_get_session_from_creds(m
, message
, session_name
, error
, &session
);
1199 r
= manager_get_seat_from_creds(m
, message
, seat_name
, error
, &seat
);
1203 if (session
->seat
!= seat
)
1204 return sd_bus_error_setf(error
, BUS_ERROR_SESSION_NOT_ON_SEAT
,
1205 "Session %s not on seat %s", session_name
, seat_name
);
1207 r
= check_polkit_chvt(message
, m
, error
);
1211 return 1; /* Will call us back */
1213 r
= session_activate(session
);
1217 return sd_bus_reply_method_return(message
, NULL
);
1220 static int method_lock_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1221 Manager
*m
= ASSERT_PTR(userdata
);
1228 r
= sd_bus_message_read(message
, "s", &name
);
1232 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
1236 return bus_session_method_lock(message
, session
, error
);
1239 static int method_lock_sessions(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1240 Manager
*m
= ASSERT_PTR(userdata
);
1245 r
= bus_verify_polkit_async(
1247 "org.freedesktop.login1.lock-sessions",
1248 /* details= */ NULL
,
1249 &m
->polkit_registry
,
1254 return 1; /* Will call us back */
1256 r
= session_send_lock_all(m
, streq(sd_bus_message_get_member(message
), "LockSessions"));
1260 return sd_bus_reply_method_return(message
, NULL
);
1263 static int method_kill_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1265 Manager
*m
= ASSERT_PTR(userdata
);
1271 r
= sd_bus_message_read(message
, "s", &name
);
1275 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
1279 return bus_session_method_kill(message
, session
, error
);
1282 static int method_kill_user(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1283 Manager
*m
= ASSERT_PTR(userdata
);
1290 r
= sd_bus_message_read(message
, "u", &uid
);
1294 r
= manager_get_user_from_creds(m
, message
, uid
, error
, &user
);
1298 return bus_user_method_kill(message
, user
, error
);
1301 static int method_terminate_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1302 Manager
*m
= ASSERT_PTR(userdata
);
1309 r
= sd_bus_message_read(message
, "s", &name
);
1313 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
1317 return bus_session_method_terminate(message
, session
, error
);
1320 static int method_terminate_user(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1321 Manager
*m
= ASSERT_PTR(userdata
);
1328 r
= sd_bus_message_read(message
, "u", &uid
);
1332 r
= manager_get_user_from_creds(m
, message
, uid
, error
, &user
);
1336 return bus_user_method_terminate(message
, user
, error
);
1339 static int method_terminate_seat(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1340 Manager
*m
= ASSERT_PTR(userdata
);
1347 r
= sd_bus_message_read(message
, "s", &name
);
1351 r
= manager_get_seat_from_creds(m
, message
, name
, error
, &seat
);
1355 return bus_seat_method_terminate(message
, seat
, error
);
1358 static int method_set_user_linger(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1359 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
1360 _cleanup_free_
char *cc
= NULL
;
1361 Manager
*m
= ASSERT_PTR(userdata
);
1362 int r
, b
, interactive
;
1365 uint32_t uid
, auth_uid
;
1369 r
= sd_bus_message_read(message
, "ubb", &uid
, &b
, &interactive
);
1373 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_EUID
|
1374 SD_BUS_CREDS_OWNER_UID
|SD_BUS_CREDS_AUGMENT
, &creds
);
1378 if (!uid_is_valid(uid
)) {
1379 /* Note that we get the owner UID of the session or user unit,
1380 * not the actual client UID here! */
1381 r
= sd_bus_creds_get_owner_uid(creds
, &uid
);
1386 /* owner_uid is racy, so for authorization we must use euid */
1387 r
= sd_bus_creds_get_euid(creds
, &auth_uid
);
1394 return errno_or_else(ENOENT
);
1396 r
= bus_verify_polkit_async_full(
1398 uid
== auth_uid
? "org.freedesktop.login1.set-self-linger" :
1399 "org.freedesktop.login1.set-user-linger",
1400 /* details= */ NULL
,
1402 /* good_user= */ UID_INVALID
,
1403 &m
->polkit_registry
,
1408 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1410 (void) mkdir_p_label("/var/lib/systemd", 0755);
1411 r
= mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0, MKDIR_WARN_MODE
);
1415 cc
= cescape(pw
->pw_name
);
1419 path
= strjoina("/var/lib/systemd/linger/", cc
);
1427 if (manager_add_user_by_uid(m
, uid
, &u
) >= 0)
1434 if (r
< 0 && errno
!= ENOENT
)
1437 u
= hashmap_get(m
->users
, UID_TO_PTR(uid
));
1439 user_add_to_gc_queue(u
);
1442 return sd_bus_reply_method_return(message
, NULL
);
1445 static int trigger_device(Manager
*m
, sd_device
*parent
) {
1446 _cleanup_(sd_device_enumerator_unrefp
) sd_device_enumerator
*e
= NULL
;
1451 r
= sd_device_enumerator_new(&e
);
1455 r
= sd_device_enumerator_allow_uninitialized(e
);
1460 r
= sd_device_enumerator_add_match_parent(e
, parent
);
1465 FOREACH_DEVICE(e
, d
) {
1466 r
= sd_device_trigger(d
, SD_DEVICE_CHANGE
);
1468 log_device_debug_errno(d
, r
, "Failed to trigger device, ignoring: %m");
1474 static int attach_device(Manager
*m
, const char *seat
, const char *sysfs
, sd_bus_error
*error
) {
1475 _cleanup_(sd_device_unrefp
) sd_device
*d
= NULL
;
1476 _cleanup_free_
char *rule
= NULL
, *file
= NULL
;
1477 const char *id_for_seat
;
1484 r
= sd_device_new_from_syspath(&d
, sysfs
);
1486 return sd_bus_error_set_errnof(error
, r
, "Failed to open device '%s': %m", sysfs
);
1488 if (sd_device_has_current_tag(d
, "seat") <= 0)
1489 return sd_bus_error_set_errnof(error
, ENODEV
, "Device '%s' lacks 'seat' udev tag.", sysfs
);
1491 if (sd_device_get_property_value(d
, "ID_FOR_SEAT", &id_for_seat
) < 0)
1492 return sd_bus_error_set_errnof(error
, ENODEV
, "Device '%s' lacks 'ID_FOR_SEAT' udev property.", sysfs
);
1494 if (asprintf(&file
, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat
) < 0)
1497 if (asprintf(&rule
, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat
, seat
) < 0)
1500 (void) mkdir_p_label("/etc/udev/rules.d", 0755);
1501 r
= write_string_file_atomic_label(file
, rule
);
1505 return trigger_device(m
, d
);
1508 static int flush_devices(Manager
*m
) {
1509 _cleanup_closedir_
DIR *d
= NULL
;
1513 d
= opendir("/etc/udev/rules.d");
1515 if (errno
!= ENOENT
)
1516 log_warning_errno(errno
, "Failed to open /etc/udev/rules.d: %m");
1518 FOREACH_DIRENT_ALL(de
, d
, break) {
1519 if (!dirent_is_file(de
))
1522 if (!startswith(de
->d_name
, "72-seat-"))
1525 if (!endswith(de
->d_name
, ".rules"))
1528 if (unlinkat(dirfd(d
), de
->d_name
, 0) < 0)
1529 log_warning_errno(errno
, "Failed to unlink %s: %m", de
->d_name
);
1532 return trigger_device(m
, NULL
);
1535 static int method_attach_device(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1536 const char *sysfs
, *seat
;
1537 Manager
*m
= ASSERT_PTR(userdata
);
1542 r
= sd_bus_message_read(message
, "ssb", &seat
, &sysfs
, &interactive
);
1546 if (!path_is_normalized(sysfs
))
1547 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Path %s is not normalized", sysfs
);
1548 if (!path_startswith(sysfs
, "/sys"))
1549 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Path %s is not in /sys", sysfs
);
1551 if (SEAT_IS_SELF(seat
) || SEAT_IS_AUTO(seat
)) {
1554 r
= manager_get_seat_from_creds(m
, message
, seat
, error
, &found
);
1560 } else if (!seat_name_is_valid(seat
)) /* Note that a seat does not have to exist yet for this operation to succeed */
1561 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Seat name %s is not valid", seat
);
1563 r
= bus_verify_polkit_async_full(
1565 "org.freedesktop.login1.attach-device",
1566 /* details= */ NULL
,
1568 /* good_user= */ UID_INVALID
,
1569 &m
->polkit_registry
,
1574 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1576 r
= attach_device(m
, seat
, sysfs
, error
);
1580 return sd_bus_reply_method_return(message
, NULL
);
1583 static int method_flush_devices(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1584 Manager
*m
= ASSERT_PTR(userdata
);
1589 r
= sd_bus_message_read(message
, "b", &interactive
);
1593 r
= bus_verify_polkit_async_full(
1595 "org.freedesktop.login1.flush-devices",
1596 /* details= */ NULL
,
1598 /* good_user= */ UID_INVALID
,
1599 &m
->polkit_registry
,
1604 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1606 r
= flush_devices(m
);
1610 return sd_bus_reply_method_return(message
, NULL
);
1613 static int have_multiple_sessions(
1621 /* Check for other users' sessions. Greeter sessions do not
1622 * count, and non-login sessions do not count either. */
1623 HASHMAP_FOREACH(session
, m
->sessions
)
1624 if (session
->class == SESSION_USER
&&
1625 session
->user
->user_record
->uid
!= uid
)
1631 static int bus_manager_log_shutdown(
1633 const HandleActionData
*a
) {
1637 const char *message
= a
->message
?: "System is shutting down";
1638 const char *log_verb
= a
->log_verb
? strjoina("SHUTDOWN=", a
->log_verb
) : NULL
;
1640 return log_struct(LOG_NOTICE
,
1641 "MESSAGE_ID=%s", a
->message_id
?: SD_MESSAGE_SHUTDOWN_STR
,
1642 LOG_MESSAGE("%s%s%s%s.",
1644 m
->wall_message
? " (" : "",
1645 strempty(m
->wall_message
),
1646 m
->wall_message
? ")" : ""),
1650 static int lid_switch_ignore_handler(sd_event_source
*e
, uint64_t usec
, void *userdata
) {
1651 Manager
*m
= ASSERT_PTR(userdata
);
1655 m
->lid_switch_ignore_event_source
= sd_event_source_unref(m
->lid_switch_ignore_event_source
);
1659 int manager_set_lid_switch_ignore(Manager
*m
, usec_t until
) {
1664 if (until
<= now(CLOCK_MONOTONIC
))
1667 /* We want to ignore the lid switch for a while after each
1668 * suspend, and after boot-up. Hence let's install a timer for
1669 * this. As long as the event source exists we ignore the lid
1672 if (m
->lid_switch_ignore_event_source
) {
1675 r
= sd_event_source_get_time(m
->lid_switch_ignore_event_source
, &u
);
1682 r
= sd_event_source_set_time(m
->lid_switch_ignore_event_source
, until
);
1684 r
= sd_event_add_time(
1686 &m
->lid_switch_ignore_event_source
,
1689 lid_switch_ignore_handler
, m
);
1694 static int send_prepare_for(Manager
*m
, const HandleActionData
*a
, bool _active
) {
1695 int k
= 0, r
, active
= _active
;
1699 assert(IN_SET(a
->inhibit_what
, INHIBIT_SHUTDOWN
, INHIBIT_SLEEP
));
1701 /* We need to send both old and new signal for backward compatibility. The newer one allows clients
1702 * to know which type of reboot is going to happen, as they might be doing different actions (e.g.:
1703 * on soft-reboot), and it is sent first, so that clients know that if they receive the old one
1704 * first then they don't have to wait for the new one, as it means it's not supported. So, do not
1705 * change the order here, as it is an API. */
1706 if (a
->inhibit_what
== INHIBIT_SHUTDOWN
) {
1707 k
= sd_bus_emit_signal(m
->bus
,
1708 "/org/freedesktop/login1",
1709 "org.freedesktop.login1.Manager",
1710 "PrepareForShutdownWithMetadata",
1716 handle_action_to_string(a
->handle
));
1718 log_debug_errno(k
, "Failed to emit PrepareForShutdownWithMetadata(): %m");
1721 r
= sd_bus_emit_signal(m
->bus
,
1722 "/org/freedesktop/login1",
1723 "org.freedesktop.login1.Manager",
1724 a
->inhibit_what
== INHIBIT_SHUTDOWN
? "PrepareForShutdown" : "PrepareForSleep",
1728 log_debug_errno(r
, "Failed to emit PrepareForShutdown(): %m");
1730 return RET_GATHER(k
, r
);
1733 static int execute_shutdown_or_sleep(
1735 const HandleActionData
*a
,
1736 sd_bus_error
*error
) {
1738 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
1745 if (a
->inhibit_what
== INHIBIT_SHUTDOWN
)
1746 bus_manager_log_shutdown(m
, a
);
1748 r
= bus_call_method(
1754 "ss", a
->target
, "replace-irreversibly");
1758 r
= sd_bus_message_read(reply
, "o", &p
);
1762 r
= free_and_strdup(&m
->action_job
, p
);
1766 m
->delayed_action
= a
;
1768 /* Make sure the lid switch is ignored for a while */
1769 manager_set_lid_switch_ignore(m
, usec_add(now(CLOCK_MONOTONIC
), m
->holdoff_timeout_usec
));
1774 /* Tell people that they now may take a lock again */
1775 (void) send_prepare_for(m
, a
, false);
1780 int manager_dispatch_delayed(Manager
*manager
, bool timeout
) {
1781 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1782 Inhibitor
*offending
= NULL
;
1787 if (!manager
->delayed_action
|| manager
->action_job
)
1790 if (manager_is_inhibited(manager
, manager
->delayed_action
->inhibit_what
, INHIBIT_DELAY
, NULL
, false, false, 0, &offending
)) {
1791 _cleanup_free_
char *comm
= NULL
, *u
= NULL
;
1796 (void) pidref_get_comm(&offending
->pid
, &comm
);
1797 u
= uid_to_name(offending
->uid
);
1799 log_notice("Delay lock is active (UID "UID_FMT
"/%s, PID "PID_FMT
"/%s) but inhibitor timeout is reached.",
1800 offending
->uid
, strna(u
),
1801 offending
->pid
.pid
, strna(comm
));
1804 /* Actually do the operation */
1805 r
= execute_shutdown_or_sleep(manager
, manager
->delayed_action
, &error
);
1807 log_warning("Error during inhibitor-delayed operation (already returned success to client): %s",
1808 bus_error_message(&error
, r
));
1810 manager
->delayed_action
= NULL
;
1813 return 1; /* We did some work. */
1816 static int manager_inhibit_timeout_handler(
1821 Manager
*manager
= ASSERT_PTR(userdata
);
1823 assert(manager
->inhibit_timeout_source
== s
);
1825 return manager_dispatch_delayed(manager
, true);
1828 static int delay_shutdown_or_sleep(
1830 const HandleActionData
*a
) {
1837 if (m
->inhibit_timeout_source
) {
1838 r
= sd_event_source_set_time_relative(m
->inhibit_timeout_source
, m
->inhibit_delay_max
);
1840 return log_error_errno(r
, "sd_event_source_set_time_relative() failed: %m");
1842 r
= sd_event_source_set_enabled(m
->inhibit_timeout_source
, SD_EVENT_ONESHOT
);
1844 return log_error_errno(r
, "sd_event_source_set_enabled() failed: %m");
1846 r
= sd_event_add_time_relative(
1848 &m
->inhibit_timeout_source
,
1849 CLOCK_MONOTONIC
, m
->inhibit_delay_max
, 0,
1850 manager_inhibit_timeout_handler
, m
);
1855 m
->delayed_action
= a
;
1860 int bus_manager_shutdown_or_sleep_now_or_later(
1862 const HandleActionData
*a
,
1863 sd_bus_error
*error
) {
1865 _cleanup_free_
char *load_state
= NULL
;
1871 assert(!m
->action_job
);
1873 r
= unit_load_state(m
->bus
, a
->target
, &load_state
);
1877 if (!streq(load_state
, "loaded"))
1878 return log_notice_errno(SYNTHETIC_ERRNO(EACCES
),
1879 "Unit %s is %s, refusing operation.",
1880 a
->target
, load_state
);
1882 /* Tell everybody to prepare for shutdown/sleep */
1883 (void) send_prepare_for(m
, a
, true);
1886 m
->inhibit_delay_max
> 0 &&
1887 manager_is_inhibited(m
, a
->inhibit_what
, INHIBIT_DELAY
, NULL
, false, false, 0, NULL
);
1890 /* Shutdown is delayed, keep in mind what we
1891 * want to do, and start a timeout */
1892 r
= delay_shutdown_or_sleep(m
, a
);
1894 /* Shutdown is not delayed, execute it
1896 r
= execute_shutdown_or_sleep(m
, a
, error
);
1901 static int verify_shutdown_creds(
1903 sd_bus_message
*message
,
1904 const HandleActionData
*a
,
1906 sd_bus_error
*error
) {
1908 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
1909 bool multiple_sessions
, blocked
, interactive
;
1917 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_EUID
, &creds
);
1921 r
= sd_bus_creds_get_euid(creds
, &uid
);
1925 r
= have_multiple_sessions(m
, uid
);
1929 multiple_sessions
= r
> 0;
1930 blocked
= manager_is_inhibited(m
, a
->inhibit_what
, INHIBIT_BLOCK
, NULL
, false, true, uid
, NULL
);
1931 interactive
= flags
& SD_LOGIND_INTERACTIVE
;
1933 if (multiple_sessions
) {
1934 r
= bus_verify_polkit_async_full(
1936 a
->polkit_action_multiple_sessions
,
1937 /* details= */ NULL
,
1939 /* good_user= */ UID_INVALID
,
1940 &m
->polkit_registry
,
1945 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1949 /* We don't check polkit for root here, because you can't be more privileged than root */
1950 if (uid
== 0 && (flags
& SD_LOGIND_ROOT_CHECK_INHIBITORS
))
1951 return sd_bus_error_setf(error
, SD_BUS_ERROR_ACCESS_DENIED
,
1952 "Access denied to root due to active block inhibitor");
1954 r
= bus_verify_polkit_async_full(
1956 a
->polkit_action_ignore_inhibit
,
1957 /* details= */ NULL
,
1959 /* good_user= */ UID_INVALID
,
1960 &m
->polkit_registry
,
1965 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1968 if (!multiple_sessions
&& !blocked
) {
1969 r
= bus_verify_polkit_async_full(
1972 /* details= */ NULL
,
1974 /* good_user= */ UID_INVALID
,
1975 &m
->polkit_registry
,
1980 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1986 static int setup_wall_message_timer(Manager
*m
, sd_bus_message
* message
) {
1987 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
1990 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_AUGMENT
|SD_BUS_CREDS_TTY
|SD_BUS_CREDS_UID
, &creds
);
1992 const char *tty
= NULL
;
1994 (void) sd_bus_creds_get_uid(creds
, &m
->scheduled_shutdown_uid
);
1995 (void) sd_bus_creds_get_tty(creds
, &tty
);
1997 r
= free_and_strdup(&m
->scheduled_shutdown_tty
, tty
);
2002 r
= manager_setup_wall_message_timer(m
);
2009 static int method_do_shutdown_or_sleep(
2011 sd_bus_message
*message
,
2012 HandleAction action
,
2014 sd_bus_error
*error
) {
2021 assert(HANDLE_ACTION_IS_SHUTDOWN(action
) || HANDLE_ACTION_IS_SLEEP(action
));
2024 /* New style method: with flags parameter (and interactive bool in the bus message header) */
2025 r
= sd_bus_message_read(message
, "t", &flags
);
2028 if ((flags
& ~SD_LOGIND_SHUTDOWN_AND_SLEEP_FLAGS_PUBLIC
) != 0)
2029 return sd_bus_error_set(error
, SD_BUS_ERROR_INVALID_ARGS
,
2030 "Invalid flags parameter");
2032 if (FLAGS_SET(flags
, (SD_LOGIND_REBOOT_VIA_KEXEC
|SD_LOGIND_SOFT_REBOOT
)))
2033 return sd_bus_error_set(error
, SD_BUS_ERROR_INVALID_ARGS
,
2034 "Both reboot via kexec and soft reboot selected, which is not supported");
2036 if (action
!= HANDLE_REBOOT
) {
2037 if (flags
& SD_LOGIND_REBOOT_VIA_KEXEC
)
2038 return sd_bus_error_set(error
, SD_BUS_ERROR_INVALID_ARGS
,
2039 "Reboot via kexec option is only applicable with reboot operations");
2040 if ((flags
& SD_LOGIND_SOFT_REBOOT
) || (flags
& SD_LOGIND_SOFT_REBOOT_IF_NEXTROOT_SET_UP
))
2041 return sd_bus_error_set(error
, SD_BUS_ERROR_INVALID_ARGS
,
2042 "Soft reboot option is only applicable with reboot operations");
2045 /* Old style method: no flags parameter, but interactive bool passed as boolean in
2046 * payload. Let's convert this argument to the new-style flags parameter for our internal
2050 r
= sd_bus_message_read(message
, "b", &interactive
);
2054 flags
= interactive
? SD_LOGIND_INTERACTIVE
: 0;
2057 const HandleActionData
*a
= NULL
;
2059 if ((flags
& SD_LOGIND_SOFT_REBOOT
) ||
2060 ((flags
& SD_LOGIND_SOFT_REBOOT_IF_NEXTROOT_SET_UP
) && path_is_os_tree("/run/nextroot") > 0))
2061 a
= handle_action_lookup(HANDLE_SOFT_REBOOT
);
2062 else if ((flags
& SD_LOGIND_REBOOT_VIA_KEXEC
) && kexec_loaded())
2063 a
= handle_action_lookup(HANDLE_KEXEC
);
2065 if (action
== HANDLE_SLEEP
) {
2066 HandleAction selected
;
2068 selected
= handle_action_sleep_select(m
->handle_action_sleep_mask
);
2070 return sd_bus_error_set(error
, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED
,
2071 "None of the configured sleep operations are supported");
2073 assert_se(a
= handle_action_lookup(selected
));
2075 } else if (HANDLE_ACTION_IS_SLEEP(action
)) {
2076 SleepSupport support
;
2078 assert_se(a
= handle_action_lookup(action
));
2080 assert(a
->sleep_operation
>= 0);
2081 assert(a
->sleep_operation
< _SLEEP_OPERATION_MAX
);
2083 r
= sleep_supported_full(a
->sleep_operation
, &support
);
2089 case SLEEP_DISABLED
:
2090 return sd_bus_error_setf(error
, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED
,
2091 "Sleep verb '%s' is disabled by config",
2092 sleep_operation_to_string(a
->sleep_operation
));
2094 case SLEEP_NOT_CONFIGURED
:
2095 case SLEEP_STATE_OR_MODE_NOT_SUPPORTED
:
2096 case SLEEP_ALARM_NOT_SUPPORTED
:
2097 return sd_bus_error_setf(error
, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED
,
2098 "Sleep verb '%s' is not configured or configuration is not supported by kernel",
2099 sleep_operation_to_string(a
->sleep_operation
));
2101 case SLEEP_RESUME_NOT_SUPPORTED
:
2102 return sd_bus_error_set(error
, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED
,
2103 "Not running on EFI and resume= is not set. No available method to resume from hibernation");
2105 case SLEEP_NOT_ENOUGH_SWAP_SPACE
:
2106 return sd_bus_error_set(error
, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED
,
2107 "Not enough suitable swap space for hibernation available on compatible block devices and file systems");
2110 assert_not_reached();
2114 assert_se(a
= handle_action_lookup(action
));
2116 r
= verify_shutdown_creds(m
, message
, a
, flags
, error
);
2120 /* reset case we're shorting a scheduled shutdown */
2121 m
->unlink_nologin
= false;
2122 reset_scheduled_shutdown(m
);
2124 m
->scheduled_shutdown_timeout
= 0;
2125 m
->scheduled_shutdown_action
= action
;
2127 (void) setup_wall_message_timer(m
, message
);
2129 r
= bus_manager_shutdown_or_sleep_now_or_later(m
, a
, error
);
2133 return sd_bus_reply_method_return(message
, NULL
);
2136 static int method_poweroff(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2137 Manager
*m
= userdata
;
2139 return method_do_shutdown_or_sleep(
2142 sd_bus_message_is_method_call(message
, NULL
, "PowerOffWithFlags"),
2146 static int method_reboot(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2147 Manager
*m
= userdata
;
2149 return method_do_shutdown_or_sleep(
2152 sd_bus_message_is_method_call(message
, NULL
, "RebootWithFlags"),
2156 static int method_halt(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2157 Manager
*m
= userdata
;
2159 return method_do_shutdown_or_sleep(
2162 sd_bus_message_is_method_call(message
, NULL
, "HaltWithFlags"),
2166 static int method_suspend(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2167 Manager
*m
= userdata
;
2169 return method_do_shutdown_or_sleep(
2172 sd_bus_message_is_method_call(message
, NULL
, "SuspendWithFlags"),
2176 static int method_hibernate(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2177 Manager
*m
= userdata
;
2179 return method_do_shutdown_or_sleep(
2182 sd_bus_message_is_method_call(message
, NULL
, "HibernateWithFlags"),
2186 static int method_hybrid_sleep(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2187 Manager
*m
= userdata
;
2189 return method_do_shutdown_or_sleep(
2191 HANDLE_HYBRID_SLEEP
,
2192 sd_bus_message_is_method_call(message
, NULL
, "HybridSleepWithFlags"),
2196 static int method_suspend_then_hibernate(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2197 Manager
*m
= userdata
;
2199 return method_do_shutdown_or_sleep(
2201 HANDLE_SUSPEND_THEN_HIBERNATE
,
2202 sd_bus_message_is_method_call(message
, NULL
, "SuspendThenHibernateWithFlags"),
2206 static int method_sleep(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2207 Manager
*m
= userdata
;
2209 return method_do_shutdown_or_sleep(
2212 /* with_flags = */ true,
2216 static int nologin_timeout_handler(
2221 Manager
*m
= userdata
;
2223 log_info("Creating /run/nologin, blocking further logins...");
2226 create_shutdown_run_nologin_or_warn() >= 0;
2231 static usec_t
nologin_timeout_usec(usec_t elapse
) {
2232 /* Issue /run/nologin five minutes before shutdown */
2233 return LESS_BY(elapse
, 5 * USEC_PER_MINUTE
);
2236 void manager_load_scheduled_shutdown(Manager
*m
) {
2237 _cleanup_fclose_
FILE *f
= NULL
;
2238 _cleanup_free_
char *usec
= NULL
,
2241 *wall_message
= NULL
,
2248 r
= parse_env_file(f
, SHUTDOWN_SCHEDULE_FILE
,
2250 "WARN_WALL", &warn_wall
,
2252 "WALL_MESSAGE", &wall_message
,
2256 /* reset will delete the file */
2257 reset_scheduled_shutdown(m
);
2262 return (void) log_debug_errno(r
, "Failed to parse " SHUTDOWN_SCHEDULE_FILE
": %m");
2264 HandleAction handle
= handle_action_from_string(mode
);
2266 return (void) log_debug_errno(SYNTHETIC_ERRNO(EINVAL
), "Failed to parse scheduled shutdown type: %s", mode
);
2269 return (void) log_debug_errno(SYNTHETIC_ERRNO(EINVAL
), "USEC is required");
2270 if (deserialize_usec(usec
, &m
->scheduled_shutdown_timeout
) < 0)
2273 /* assign parsed type only after we know usec is also valid */
2274 m
->scheduled_shutdown_action
= handle
;
2277 r
= parse_boolean(warn_wall
);
2279 log_debug_errno(r
, "Failed to parse enabling wall messages");
2281 m
->enable_wall_messages
= r
;
2285 _cleanup_free_
char *unescaped
= NULL
;
2286 r
= cunescape(wall_message
, 0, &unescaped
);
2288 log_debug_errno(r
, "Failed to parse wall message: %s", wall_message
);
2290 free_and_replace(m
->wall_message
, unescaped
);
2294 r
= parse_uid(uid
, &m
->scheduled_shutdown_uid
);
2296 log_debug_errno(r
, "Failed to parse wall uid: %s", uid
);
2299 free_and_replace(m
->scheduled_shutdown_tty
, tty
);
2301 r
= manager_setup_shutdown_timers(m
);
2303 return reset_scheduled_shutdown(m
);
2305 (void) manager_setup_wall_message_timer(m
);
2306 (void) update_schedule_file(m
);
2311 static int update_schedule_file(Manager
*m
) {
2312 _cleanup_(unlink_and_freep
) char *temp_path
= NULL
;
2313 _cleanup_fclose_
FILE *f
= NULL
;
2317 assert(handle_action_valid(m
->scheduled_shutdown_action
));
2319 r
= mkdir_parents_label(SHUTDOWN_SCHEDULE_FILE
, 0755);
2321 return log_error_errno(r
, "Failed to create shutdown subdirectory: %m");
2323 r
= fopen_temporary(SHUTDOWN_SCHEDULE_FILE
, &f
, &temp_path
);
2325 return log_error_errno(r
, "Failed to save information about scheduled shutdowns: %m");
2327 (void) fchmod(fileno(f
), 0644);
2329 serialize_usec(f
, "USEC", m
->scheduled_shutdown_timeout
);
2330 serialize_item_format(f
, "WARN_WALL", "%s", one_zero(m
->enable_wall_messages
));
2331 serialize_item_format(f
, "MODE", "%s", handle_action_to_string(m
->scheduled_shutdown_action
));
2332 serialize_item_format(f
, "UID", UID_FMT
, m
->scheduled_shutdown_uid
);
2334 if (m
->scheduled_shutdown_tty
)
2335 serialize_item_format(f
, "TTY", "%s", m
->scheduled_shutdown_tty
);
2337 if (!isempty(m
->wall_message
)) {
2338 r
= serialize_item_escaped(f
, "WALL_MESSAGE", m
->wall_message
);
2343 r
= fflush_and_check(f
);
2347 if (rename(temp_path
, SHUTDOWN_SCHEDULE_FILE
) < 0) {
2352 temp_path
= mfree(temp_path
);
2356 (void) unlink(SHUTDOWN_SCHEDULE_FILE
);
2358 return log_error_errno(r
, "Failed to write information about scheduled shutdowns: %m");
2361 static void reset_scheduled_shutdown(Manager
*m
) {
2364 m
->scheduled_shutdown_timeout_source
= sd_event_source_unref(m
->scheduled_shutdown_timeout_source
);
2365 m
->wall_message_timeout_source
= sd_event_source_unref(m
->wall_message_timeout_source
);
2366 m
->nologin_timeout_source
= sd_event_source_unref(m
->nologin_timeout_source
);
2368 m
->scheduled_shutdown_action
= _HANDLE_ACTION_INVALID
;
2369 m
->scheduled_shutdown_timeout
= USEC_INFINITY
;
2370 m
->scheduled_shutdown_uid
= UID_INVALID
;
2371 m
->scheduled_shutdown_tty
= mfree(m
->scheduled_shutdown_tty
);
2372 m
->shutdown_dry_run
= false;
2374 if (m
->unlink_nologin
) {
2375 (void) unlink_or_warn("/run/nologin");
2376 m
->unlink_nologin
= false;
2379 (void) unlink(SHUTDOWN_SCHEDULE_FILE
);
2382 static int manager_scheduled_shutdown_handler(
2387 Manager
*m
= ASSERT_PTR(userdata
);
2388 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
2389 const HandleActionData
*a
;
2392 assert_se(a
= handle_action_lookup(m
->scheduled_shutdown_action
));
2394 /* Don't allow multiple jobs being executed at the same time */
2395 if (m
->delayed_action
) {
2397 log_error("Scheduled shutdown to %s failed: shutdown or sleep operation already in progress", a
->target
);
2401 if (m
->shutdown_dry_run
) {
2402 /* We do not process delay inhibitors here. Otherwise, we
2403 * would have to be considered "in progress" (like the check
2404 * above) for some seconds after our admin has seen the final
2407 bus_manager_log_shutdown(m
, a
);
2408 log_info("Running in dry run, suppressing action.");
2409 reset_scheduled_shutdown(m
);
2414 r
= bus_manager_shutdown_or_sleep_now_or_later(m
, a
, &error
);
2416 log_error_errno(r
, "Scheduled shutdown to %s failed: %m", a
->target
);
2423 reset_scheduled_shutdown(m
);
2427 static int method_schedule_shutdown(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2428 Manager
*m
= ASSERT_PTR(userdata
);
2429 HandleAction handle
;
2430 const HandleActionData
*a
;
2434 bool dry_run
= false;
2438 r
= sd_bus_message_read(message
, "st", &type
, &elapse
);
2442 if (startswith(type
, "dry-")) {
2447 handle
= handle_action_from_string(type
);
2448 if (!HANDLE_ACTION_IS_SHUTDOWN(handle
))
2449 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Unsupported shutdown type: %s", type
);
2451 assert_se(a
= handle_action_lookup(handle
));
2452 assert(a
->polkit_action
);
2454 r
= verify_shutdown_creds(m
, message
, a
, 0, error
);
2458 m
->scheduled_shutdown_action
= handle
;
2459 m
->shutdown_dry_run
= dry_run
;
2460 m
->scheduled_shutdown_timeout
= elapse
;
2462 r
= manager_setup_shutdown_timers(m
);
2466 r
= setup_wall_message_timer(m
, message
);
2468 r
= update_schedule_file(m
);
2471 reset_scheduled_shutdown(m
);
2475 return sd_bus_reply_method_return(message
, NULL
);
2478 static int manager_setup_shutdown_timers(Manager
* m
) {
2481 r
= event_reset_time(m
->event
, &m
->scheduled_shutdown_timeout_source
,
2483 m
->scheduled_shutdown_timeout
, 0,
2484 manager_scheduled_shutdown_handler
, m
,
2485 0, "scheduled-shutdown-timeout", true);
2489 r
= event_reset_time(m
->event
, &m
->nologin_timeout_source
,
2491 nologin_timeout_usec(m
->scheduled_shutdown_timeout
), 0,
2492 nologin_timeout_handler
, m
,
2493 0, "nologin-timeout", true);
2500 m
->scheduled_shutdown_timeout_source
= sd_event_source_unref(m
->scheduled_shutdown_timeout_source
);
2501 m
->nologin_timeout_source
= sd_event_source_unref(m
->nologin_timeout_source
);
2506 static int method_cancel_scheduled_shutdown(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2507 Manager
*m
= ASSERT_PTR(userdata
);
2508 const HandleActionData
*a
;
2514 cancelled
= handle_action_valid(m
->scheduled_shutdown_action
) && m
->scheduled_shutdown_action
!= HANDLE_IGNORE
;
2516 return sd_bus_reply_method_return(message
, "b", false);
2518 assert_se(a
= handle_action_lookup(m
->scheduled_shutdown_action
));
2519 if (!a
->polkit_action
)
2520 return sd_bus_error_set(error
, SD_BUS_ERROR_AUTH_FAILED
, "Unsupported shutdown type");
2522 r
= bus_verify_polkit_async(
2525 /* details= */ NULL
,
2526 &m
->polkit_registry
,
2531 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2533 if (m
->enable_wall_messages
) {
2534 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
2535 const char *tty
= NULL
;
2538 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_AUGMENT
|SD_BUS_CREDS_TTY
|SD_BUS_CREDS_UID
, &creds
);
2540 (void) sd_bus_creds_get_uid(creds
, &uid
);
2541 (void) sd_bus_creds_get_tty(creds
, &tty
);
2544 _cleanup_free_
char *username
= uid_to_name(uid
);
2546 log_struct(LOG_INFO
,
2547 LOG_MESSAGE("System shutdown has been cancelled"),
2548 "ACTION=%s", handle_action_to_string(a
->handle
),
2549 "MESSAGE_ID=" SD_MESSAGE_SHUTDOWN_CANCELED_STR
,
2550 username
? "OPERATOR=%s" : NULL
, username
);
2552 (void) wall("System shutdown has been cancelled",
2553 username
, tty
, logind_wall_tty_filter
, m
);
2556 reset_scheduled_shutdown(m
);
2558 return sd_bus_reply_method_return(message
, "b", true);
2561 static int method_can_shutdown_or_sleep(
2563 sd_bus_message
*message
,
2564 HandleAction action
,
2565 sd_bus_error
*error
) {
2567 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
2568 bool multiple_sessions
, challenge
, blocked
;
2569 const HandleActionData
*a
;
2570 const char *result
= NULL
;
2576 assert(HANDLE_ACTION_IS_SHUTDOWN(action
) || HANDLE_ACTION_IS_SLEEP(action
));
2578 if (action
== HANDLE_SLEEP
) {
2579 HandleAction selected
;
2581 selected
= handle_action_sleep_select(m
->handle_action_sleep_mask
);
2583 return sd_bus_reply_method_return(message
, "s", "na");
2585 assert_se(a
= handle_action_lookup(selected
));
2587 } else if (HANDLE_ACTION_IS_SLEEP(action
)) {
2588 SleepSupport support
;
2590 assert_se(a
= handle_action_lookup(action
));
2592 assert(a
->sleep_operation
>= 0);
2593 assert(a
->sleep_operation
< _SLEEP_OPERATION_MAX
);
2595 r
= sleep_supported_full(a
->sleep_operation
, &support
);
2599 return sd_bus_reply_method_return(message
, "s", support
== SLEEP_DISABLED
? "no" : "na");
2601 assert_se(a
= handle_action_lookup(action
));
2603 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_EUID
, &creds
);
2607 r
= sd_bus_creds_get_euid(creds
, &uid
);
2611 r
= have_multiple_sessions(m
, uid
);
2615 multiple_sessions
= r
> 0;
2616 blocked
= manager_is_inhibited(m
, a
->inhibit_what
, INHIBIT_BLOCK
, NULL
, false, true, uid
, NULL
);
2619 _cleanup_free_
char *load_state
= NULL
;
2621 r
= unit_load_state(m
->bus
, a
->target
, &load_state
);
2625 if (!streq(load_state
, "loaded")) {
2631 if (multiple_sessions
) {
2632 r
= bus_test_polkit(
2634 a
->polkit_action_multiple_sessions
,
2635 /* details= */ NULL
,
2636 /* good_user= */ UID_INVALID
,
2645 result
= "challenge";
2651 r
= bus_test_polkit(
2653 a
->polkit_action_ignore_inhibit
,
2654 /* details= */ NULL
,
2655 /* good_user= */ UID_INVALID
,
2664 } else if (challenge
) {
2665 if (!result
|| streq(result
, "yes"))
2666 result
= "challenge";
2671 if (!multiple_sessions
&& !blocked
) {
2672 /* If neither inhibit nor multiple sessions
2673 * apply then just check the normal policy */
2675 r
= bus_test_polkit(
2678 /* details= */ NULL
,
2679 /* good_user= */ UID_INVALID
,
2688 result
= "challenge";
2694 return sd_bus_reply_method_return(message
, "s", result
);
2697 static int method_can_poweroff(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2698 Manager
*m
= userdata
;
2700 return method_can_shutdown_or_sleep(m
, message
, HANDLE_POWEROFF
, error
);
2703 static int method_can_reboot(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2704 Manager
*m
= userdata
;
2706 return method_can_shutdown_or_sleep(m
, message
, HANDLE_REBOOT
, error
);
2709 static int method_can_halt(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2710 Manager
*m
= userdata
;
2712 return method_can_shutdown_or_sleep(m
, message
, HANDLE_HALT
, error
);
2715 static int method_can_suspend(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2716 Manager
*m
= userdata
;
2718 return method_can_shutdown_or_sleep(m
, message
, HANDLE_SUSPEND
, error
);
2721 static int method_can_hibernate(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2722 Manager
*m
= userdata
;
2724 return method_can_shutdown_or_sleep(m
, message
, HANDLE_HIBERNATE
, error
);
2727 static int method_can_hybrid_sleep(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2728 Manager
*m
= userdata
;
2730 return method_can_shutdown_or_sleep(m
, message
, HANDLE_HYBRID_SLEEP
, error
);
2733 static int method_can_suspend_then_hibernate(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2734 Manager
*m
= userdata
;
2736 return method_can_shutdown_or_sleep(m
, message
, HANDLE_SUSPEND_THEN_HIBERNATE
, error
);
2739 static int method_can_sleep(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2740 Manager
*m
= userdata
;
2742 return method_can_shutdown_or_sleep(m
, message
, HANDLE_SLEEP
, error
);
2745 static int property_get_reboot_parameter(
2748 const char *interface
,
2749 const char *property
,
2750 sd_bus_message
*reply
,
2752 sd_bus_error
*error
) {
2753 _cleanup_free_
char *parameter
= NULL
;
2760 r
= read_reboot_parameter(¶meter
);
2764 return sd_bus_message_append(reply
, "s", parameter
);
2767 static int method_set_reboot_parameter(
2768 sd_bus_message
*message
,
2770 sd_bus_error
*error
) {
2772 Manager
*m
= ASSERT_PTR(userdata
);
2778 r
= sd_bus_message_read(message
, "s", &arg
);
2782 r
= detect_container();
2786 return sd_bus_error_setf(error
, SD_BUS_ERROR_NOT_SUPPORTED
,
2787 "Reboot parameter not supported in containers, refusing.");
2789 r
= bus_verify_polkit_async(
2791 "org.freedesktop.login1.set-reboot-parameter",
2792 /* details= */ NULL
,
2793 &m
->polkit_registry
,
2798 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2800 r
= update_reboot_parameter_and_warn(arg
, false);
2804 return sd_bus_reply_method_return(message
, NULL
);
2807 static int method_can_reboot_parameter(
2808 sd_bus_message
*message
,
2810 sd_bus_error
*error
) {
2812 _unused_ Manager
*m
= ASSERT_PTR(userdata
);
2817 r
= detect_container();
2820 if (r
> 0) /* Inside containers, specifying a reboot parameter, doesn't make much sense */
2821 return sd_bus_reply_method_return(message
, "s", "na");
2823 return return_test_polkit(
2825 "org.freedesktop.login1.set-reboot-parameter",
2826 /* details= */ NULL
,
2827 /* good_user= */ UID_INVALID
,
2831 static int property_get_reboot_to_firmware_setup(
2834 const char *interface
,
2835 const char *property
,
2836 sd_bus_message
*reply
,
2838 sd_bus_error
*error
) {
2845 r
= getenv_bool("SYSTEMD_REBOOT_TO_FIRMWARE_SETUP");
2847 /* EFI case: let's see what is currently configured in the EFI variables */
2848 r
= efi_get_reboot_to_firmware();
2849 if (r
< 0 && r
!= -EOPNOTSUPP
)
2850 log_warning_errno(r
, "Failed to determine reboot-to-firmware-setup state: %m");
2852 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP: %m");
2854 /* Non-EFI case: let's see whether /run/systemd/reboot-to-firmware-setup exists. */
2855 if (access("/run/systemd/reboot-to-firmware-setup", F_OK
) < 0) {
2856 if (errno
!= ENOENT
)
2857 log_warning_errno(errno
, "Failed to check whether /run/systemd/reboot-to-firmware-setup exists: %m");
2864 return sd_bus_message_append(reply
, "b", r
> 0);
2867 static int method_set_reboot_to_firmware_setup(
2868 sd_bus_message
*message
,
2870 sd_bus_error
*error
) {
2872 Manager
*m
= ASSERT_PTR(userdata
);
2878 r
= sd_bus_message_read(message
, "b", &b
);
2882 r
= getenv_bool("SYSTEMD_REBOOT_TO_FIRMWARE_SETUP");
2884 /* EFI case: let's see what the firmware supports */
2886 r
= efi_reboot_to_firmware_supported();
2887 if (r
== -EOPNOTSUPP
)
2888 return sd_bus_error_set(error
, SD_BUS_ERROR_NOT_SUPPORTED
, "Firmware does not support boot into firmware.");
2894 } else if (r
<= 0) {
2895 /* non-EFI case: $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP is set to off */
2898 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP: %m");
2900 return sd_bus_error_set(error
, SD_BUS_ERROR_NOT_SUPPORTED
, "Firmware does not support boot into firmware.");
2902 /* non-EFI case: $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP is set to on */
2905 r
= bus_verify_polkit_async(
2907 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2908 /* details= */ NULL
,
2909 &m
->polkit_registry
,
2914 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2917 r
= efi_set_reboot_to_firmware(b
);
2922 r
= touch("/run/systemd/reboot-to-firmware-setup");
2926 if (unlink("/run/systemd/reboot-to-firmware-setup") < 0 && errno
!= ENOENT
)
2931 return sd_bus_reply_method_return(message
, NULL
);
2934 static int method_can_reboot_to_firmware_setup(
2935 sd_bus_message
*message
,
2937 sd_bus_error
*error
) {
2939 _unused_ Manager
*m
= ASSERT_PTR(userdata
);
2944 r
= getenv_bool("SYSTEMD_REBOOT_TO_FIRMWARE_SETUP");
2946 /* EFI case: let's see what the firmware supports */
2948 r
= efi_reboot_to_firmware_supported();
2950 if (r
!= -EOPNOTSUPP
)
2951 log_warning_errno(r
, "Failed to determine whether reboot to firmware is supported: %m");
2953 return sd_bus_reply_method_return(message
, "s", "na");
2956 } else if (r
<= 0) {
2957 /* Non-EFI case: let's trust $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP */
2960 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP: %m");
2962 return sd_bus_reply_method_return(message
, "s", "na");
2965 return return_test_polkit(
2967 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2968 /* details= */ NULL
,
2969 /* good_user= */ UID_INVALID
,
2973 static int property_get_reboot_to_boot_loader_menu(
2976 const char *interface
,
2977 const char *property
,
2978 sd_bus_message
*reply
,
2980 sd_bus_error
*error
) {
2982 uint64_t x
= UINT64_MAX
;
2989 r
= getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU");
2991 /* EFI case: returns the current value of LoaderConfigTimeoutOneShot. Three cases are distinguished:
2993 * 1. Variable not set, boot into boot loader menu is not enabled (we return UINT64_MAX to the user)
2994 * 2. Variable set to "0", boot into boot loader menu is enabled with no timeout (we return 0 to the user)
2995 * 3. Variable set to numeric value formatted in ASCII, boot into boot loader menu with the specified timeout in seconds
2998 r
= efi_loader_get_config_timeout_one_shot(&x
);
3001 log_warning_errno(r
, "Failed to read LoaderConfigTimeoutOneShot variable, ignoring: %m");
3005 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU: %m");
3007 _cleanup_free_
char *v
= NULL
;
3009 /* Non-EFI case, let's process /run/systemd/reboot-to-boot-loader-menu. */
3011 r
= read_one_line_file("/run/systemd/reboot-to-boot-loader-menu", &v
);
3014 log_warning_errno(r
, "Failed to read /run/systemd/reboot-to-boot-loader-menu: %m");
3016 r
= safe_atou64(v
, &x
);
3018 log_warning_errno(r
, "Failed to parse /run/systemd/reboot-to-boot-loader-menu: %m");
3022 return sd_bus_message_append(reply
, "t", x
);
3025 static int method_set_reboot_to_boot_loader_menu(
3026 sd_bus_message
*message
,
3028 sd_bus_error
*error
) {
3030 Manager
*m
= ASSERT_PTR(userdata
);
3037 r
= sd_bus_message_read(message
, "t", &x
);
3041 r
= getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU");
3045 /* EFI case: let's see if booting into boot loader menu is supported. */
3047 r
= efi_loader_get_features(&features
);
3049 log_warning_errno(r
, "Failed to determine whether reboot to boot loader menu is supported: %m");
3050 if (r
< 0 || !FLAGS_SET(features
, EFI_LOADER_FEATURE_CONFIG_TIMEOUT_ONE_SHOT
))
3051 return sd_bus_error_set(error
, SD_BUS_ERROR_NOT_SUPPORTED
, "Boot loader does not support boot into boot loader menu.");
3055 } else if (r
<= 0) {
3056 /* non-EFI case: $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU is set to off */
3059 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU: %m");
3061 return sd_bus_error_set(error
, SD_BUS_ERROR_NOT_SUPPORTED
, "Boot loader does not support boot into boot loader menu.");
3063 /* non-EFI case: $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU is set to on */
3066 r
= bus_verify_polkit_async(
3068 "org.freedesktop.login1.set-reboot-to-boot-loader-menu",
3069 /* details= */ NULL
,
3070 &m
->polkit_registry
,
3075 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
3078 if (x
== UINT64_MAX
)
3079 r
= efi_set_variable(EFI_LOADER_VARIABLE(LoaderConfigTimeoutOneShot
), NULL
, 0);
3081 char buf
[DECIMAL_STR_MAX(uint64_t) + 1];
3082 xsprintf(buf
, "%" PRIu64
, DIV_ROUND_UP(x
, USEC_PER_SEC
)); /* second granularity */
3084 r
= efi_set_variable_string(EFI_LOADER_VARIABLE(LoaderConfigTimeoutOneShot
), buf
);
3089 if (x
== UINT64_MAX
) {
3090 if (unlink("/run/systemd/reboot-to-boot-loader-menu") < 0 && errno
!= ENOENT
)
3093 char buf
[DECIMAL_STR_MAX(uint64_t) + 1];
3095 xsprintf(buf
, "%" PRIu64
, x
); /* μs granularity */
3097 r
= write_string_file_atomic_label("/run/systemd/reboot-to-boot-loader-menu", buf
);
3103 return sd_bus_reply_method_return(message
, NULL
);
3106 static int method_can_reboot_to_boot_loader_menu(
3107 sd_bus_message
*message
,
3109 sd_bus_error
*error
) {
3111 _unused_ Manager
*m
= ASSERT_PTR(userdata
);
3116 r
= getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU");
3118 uint64_t features
= 0;
3120 /* EFI case, let's see if booting into boot loader menu is supported. */
3122 r
= efi_loader_get_features(&features
);
3124 log_warning_errno(r
, "Failed to determine whether reboot to boot loader menu is supported: %m");
3125 if (r
< 0 || !FLAGS_SET(features
, EFI_LOADER_FEATURE_CONFIG_TIMEOUT_ONE_SHOT
))
3126 return sd_bus_reply_method_return(message
, "s", "na");
3128 } else if (r
<= 0) {
3129 /* Non-EFI case: let's trust $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU */
3132 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU: %m");
3134 return sd_bus_reply_method_return(message
, "s", "na");
3137 return return_test_polkit(
3139 "org.freedesktop.login1.set-reboot-to-boot-loader-menu",
3140 /* details= */ NULL
,
3141 /* good_user= */ UID_INVALID
,
3145 static int property_get_reboot_to_boot_loader_entry(
3148 const char *interface
,
3149 const char *property
,
3150 sd_bus_message
*reply
,
3152 sd_bus_error
*error
) {
3154 _cleanup_free_
char *v
= NULL
;
3155 Manager
*m
= ASSERT_PTR(userdata
);
3156 const char *x
= NULL
;
3162 r
= getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY");
3164 /* EFI case: let's read the LoaderEntryOneShot variable */
3166 r
= efi_loader_update_entry_one_shot_cache(&m
->efi_loader_entry_one_shot
, &m
->efi_loader_entry_one_shot_stat
);
3169 log_warning_errno(r
, "Failed to read LoaderEntryOneShot variable, ignoring: %m");
3171 x
= m
->efi_loader_entry_one_shot
;
3174 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY: %m");
3177 /* Non-EFI case, let's process /run/systemd/reboot-to-boot-loader-entry. */
3179 r
= read_one_line_file("/run/systemd/reboot-to-boot-loader-entry", &v
);
3182 log_warning_errno(r
, "Failed to read /run/systemd/reboot-to-boot-loader-entry, ignoring: %m");
3183 } else if (!efi_loader_entry_name_valid(v
))
3184 log_warning("/run/systemd/reboot-to-boot-loader-entry is not valid, ignoring.");
3189 return sd_bus_message_append(reply
, "s", x
);
3192 static int boot_loader_entry_exists(Manager
*m
, const char *id
) {
3193 _cleanup_(boot_config_free
) BootConfig config
= BOOT_CONFIG_NULL
;
3199 r
= boot_config_load_auto(&config
, NULL
, NULL
);
3200 if (r
< 0 && r
!= -ENOKEY
) /* don't complain if no GPT is found, hence skip ENOKEY */
3203 r
= manager_read_efi_boot_loader_entries(m
);
3205 (void) boot_config_augment_from_loader(&config
, m
->efi_boot_loader_entries
, /* auto_only= */ true);
3207 return !!boot_config_find_entry(&config
, id
);
3210 static int method_set_reboot_to_boot_loader_entry(
3211 sd_bus_message
*message
,
3213 sd_bus_error
*error
) {
3215 Manager
*m
= ASSERT_PTR(userdata
);
3222 r
= sd_bus_message_read(message
, "s", &v
);
3228 else if (efi_loader_entry_name_valid(v
)) {
3229 r
= boot_loader_entry_exists(m
, v
);
3233 return sd_bus_error_setf(error
, SD_BUS_ERROR_NOT_SUPPORTED
, "Boot loader entry '%s' is not known.", v
);
3235 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Boot loader entry name '%s' is not valid, refusing.", v
);
3237 r
= getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY");
3241 /* EFI case: let's see if booting into boot loader entry is supported. */
3243 r
= efi_loader_get_features(&features
);
3245 log_warning_errno(r
, "Failed to determine whether reboot into boot loader entry is supported: %m");
3246 if (r
< 0 || !FLAGS_SET(features
, EFI_LOADER_FEATURE_ENTRY_ONESHOT
))
3247 return sd_bus_error_set(error
, SD_BUS_ERROR_NOT_SUPPORTED
, "Loader does not support boot into boot loader entry.");
3251 } else if (r
<= 0) {
3252 /* non-EFI case: $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY is set to off */
3255 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY: %m");
3257 return sd_bus_error_set(error
, SD_BUS_ERROR_NOT_SUPPORTED
, "Loader does not support boot into boot loader entry.");
3259 /* non-EFI case: $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY is set to on */
3262 r
= bus_verify_polkit_async(
3264 "org.freedesktop.login1.set-reboot-to-boot-loader-entry",
3265 /* details= */ NULL
,
3266 &m
->polkit_registry
,
3271 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
3276 r
= efi_set_variable(EFI_LOADER_VARIABLE(LoaderEntryOneShot
), NULL
, 0);
3278 r
= efi_set_variable_string(EFI_LOADER_VARIABLE(LoaderEntryOneShot
), v
);
3283 if (unlink("/run/systemd/reboot-to-boot-loader-entry") < 0 && errno
!= ENOENT
)
3286 r
= write_string_file_atomic_label("/run/systemd/reboot-boot-to-loader-entry", v
);
3292 return sd_bus_reply_method_return(message
, NULL
);
3295 static int method_can_reboot_to_boot_loader_entry(
3296 sd_bus_message
*message
,
3298 sd_bus_error
*error
) {
3300 _unused_ Manager
*m
= ASSERT_PTR(userdata
);
3305 r
= getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY");
3307 uint64_t features
= 0;
3309 /* EFI case, let's see if booting into boot loader entry is supported. */
3311 r
= efi_loader_get_features(&features
);
3313 log_warning_errno(r
, "Failed to determine whether reboot to boot loader entry is supported: %m");
3314 if (r
< 0 || !FLAGS_SET(features
, EFI_LOADER_FEATURE_ENTRY_ONESHOT
))
3315 return sd_bus_reply_method_return(message
, "s", "na");
3317 } else if (r
<= 0) {
3318 /* Non-EFI case: let's trust $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY */
3321 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY: %m");
3323 return sd_bus_reply_method_return(message
, "s", "na");
3326 return return_test_polkit(
3328 "org.freedesktop.login1.set-reboot-to-boot-loader-entry",
3329 /* details= */ NULL
,
3330 /* good_user= */ UID_INVALID
,
3334 static int property_get_boot_loader_entries(
3337 const char *interface
,
3338 const char *property
,
3339 sd_bus_message
*reply
,
3341 sd_bus_error
*error
) {
3343 _cleanup_(boot_config_free
) BootConfig config
= BOOT_CONFIG_NULL
;
3344 Manager
*m
= ASSERT_PTR(userdata
);
3351 r
= boot_config_load_auto(&config
, NULL
, NULL
);
3352 if (r
< 0 && r
!= -ENOKEY
) /* don't complain if there's no GPT found */
3355 r
= manager_read_efi_boot_loader_entries(m
);
3357 (void) boot_config_augment_from_loader(&config
, m
->efi_boot_loader_entries
, /* auto_only= */ true);
3359 r
= sd_bus_message_open_container(reply
, 'a', "s");
3363 for (i
= 0; i
< config
.n_entries
; i
++) {
3364 BootEntry
*e
= config
.entries
+ i
;
3366 r
= sd_bus_message_append(reply
, "s", e
->id
);
3371 return sd_bus_message_close_container(reply
);
3374 static int method_set_wall_message(
3375 sd_bus_message
*message
,
3377 sd_bus_error
*error
) {
3380 Manager
*m
= ASSERT_PTR(userdata
);
3382 int enable_wall_messages
;
3386 r
= sd_bus_message_read(message
, "sb", &wall_message
, &enable_wall_messages
);
3390 if (strlen(wall_message
) > WALL_MESSAGE_MAX
)
3391 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
3392 "Wall message too long, maximum permitted length is %u characters.",
3395 /* Short-circuit the operation if the desired state is already in place, to
3396 * avoid an unnecessary polkit permission check. */
3397 if (streq_ptr(m
->wall_message
, empty_to_null(wall_message
)) &&
3398 m
->enable_wall_messages
== enable_wall_messages
)
3401 r
= bus_verify_polkit_async(
3403 "org.freedesktop.login1.set-wall-message",
3404 /* details= */ NULL
,
3405 &m
->polkit_registry
,
3410 return 1; /* Will call us back */
3412 r
= free_and_strdup(&m
->wall_message
, empty_to_null(wall_message
));
3416 m
->enable_wall_messages
= enable_wall_messages
;
3419 return sd_bus_reply_method_return(message
, NULL
);
3422 static int method_inhibit(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
3423 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
3424 _cleanup_(pidref_done
) PidRef pidref
= PIDREF_NULL
;
3425 const char *who
, *why
, *what
, *mode
;
3426 _cleanup_free_
char *id
= NULL
;
3427 _cleanup_close_
int fifo_fd
= -EBADF
;
3428 Manager
*m
= ASSERT_PTR(userdata
);
3437 r
= sd_bus_message_read(message
, "ssss", &what
, &who
, &why
, &mode
);
3441 w
= inhibit_what_from_string(what
);
3443 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
3444 "Invalid what specification %s", what
);
3446 mm
= inhibit_mode_from_string(mode
);
3448 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
3449 "Invalid mode specification %s", mode
);
3451 /* Delay is only supported for shutdown/sleep */
3452 if (mm
== INHIBIT_DELAY
&& (w
& ~(INHIBIT_SHUTDOWN
|INHIBIT_SLEEP
)))
3453 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
3454 "Delay inhibitors only supported for shutdown and sleep");
3456 /* Don't allow taking delay locks while we are already
3457 * executing the operation. We shouldn't create the impression
3458 * that the lock was successful if the machine is about to go
3459 * down/suspend any moment. */
3460 if (m
->delayed_action
&& m
->delayed_action
->inhibit_what
& w
)
3461 return sd_bus_error_setf(error
, BUS_ERROR_OPERATION_IN_PROGRESS
,
3462 "The operation inhibition has been requested for is already running");
3464 r
= bus_verify_polkit_async(
3466 w
== INHIBIT_SHUTDOWN
? (mm
== INHIBIT_BLOCK
? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") :
3467 w
== INHIBIT_SLEEP
? (mm
== INHIBIT_BLOCK
? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") :
3468 w
== INHIBIT_IDLE
? "org.freedesktop.login1.inhibit-block-idle" :
3469 w
== INHIBIT_HANDLE_POWER_KEY
? "org.freedesktop.login1.inhibit-handle-power-key" :
3470 w
== INHIBIT_HANDLE_SUSPEND_KEY
? "org.freedesktop.login1.inhibit-handle-suspend-key" :
3471 w
== INHIBIT_HANDLE_REBOOT_KEY
? "org.freedesktop.login1.inhibit-handle-reboot-key" :
3472 w
== INHIBIT_HANDLE_HIBERNATE_KEY
? "org.freedesktop.login1.inhibit-handle-hibernate-key" :
3473 "org.freedesktop.login1.inhibit-handle-lid-switch",
3474 /* details= */ NULL
,
3475 &m
->polkit_registry
,
3480 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
3482 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_EUID
|SD_BUS_CREDS_PID
, &creds
);
3486 r
= sd_bus_creds_get_euid(creds
, &uid
);
3490 r
= sd_bus_creds_get_pid(creds
, &pid
);
3494 r
= pidref_set_pid(&pidref
, pid
);
3496 return sd_bus_error_set_errnof(error
, r
, "Failed pin source process "PID_FMT
": %m", pid
);
3498 if (hashmap_size(m
->inhibitors
) >= m
->inhibitors_max
)
3499 return sd_bus_error_setf(error
, SD_BUS_ERROR_LIMITS_EXCEEDED
,
3500 "Maximum number of inhibitors (%" PRIu64
") reached, refusing further inhibitors.",
3506 if (asprintf(&id
, "%" PRIu64
, ++m
->inhibit_counter
) < 0)
3509 } while (hashmap_get(m
->inhibitors
, id
));
3511 _cleanup_(inhibitor_freep
) Inhibitor
*i
= NULL
;
3512 r
= manager_add_inhibitor(m
, id
, &i
);
3518 i
->pid
= TAKE_PIDREF(pidref
);
3520 i
->why
= strdup(why
);
3521 i
->who
= strdup(who
);
3523 if (!i
->why
|| !i
->who
)
3526 fifo_fd
= inhibitor_create_fifo(i
);
3530 r
= inhibitor_start(i
);
3535 return sd_bus_reply_method_return(message
, "h", fifo_fd
);
3538 static const sd_bus_vtable manager_vtable
[] = {
3539 SD_BUS_VTABLE_START(0),
3541 SD_BUS_WRITABLE_PROPERTY("EnableWallMessages", "b", bus_property_get_bool
, bus_property_set_bool
, offsetof(Manager
, enable_wall_messages
), 0),
3542 SD_BUS_WRITABLE_PROPERTY("WallMessage", "s", NULL
, NULL
, offsetof(Manager
, wall_message
), 0),
3544 SD_BUS_PROPERTY("NAutoVTs", "u", NULL
, offsetof(Manager
, n_autovts
), SD_BUS_VTABLE_PROPERTY_CONST
),
3545 SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL
, offsetof(Manager
, kill_only_users
), SD_BUS_VTABLE_PROPERTY_CONST
),
3546 SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL
, offsetof(Manager
, kill_exclude_users
), SD_BUS_VTABLE_PROPERTY_CONST
),
3547 SD_BUS_PROPERTY("KillUserProcesses", "b", bus_property_get_bool
, offsetof(Manager
, kill_user_processes
), SD_BUS_VTABLE_PROPERTY_CONST
),
3548 SD_BUS_PROPERTY("RebootParameter", "s", property_get_reboot_parameter
, 0, 0),
3549 SD_BUS_PROPERTY("RebootToFirmwareSetup", "b", property_get_reboot_to_firmware_setup
, 0, 0),
3550 SD_BUS_PROPERTY("RebootToBootLoaderMenu", "t", property_get_reboot_to_boot_loader_menu
, 0, 0),
3551 SD_BUS_PROPERTY("RebootToBootLoaderEntry", "s", property_get_reboot_to_boot_loader_entry
, 0, 0),
3552 SD_BUS_PROPERTY("BootLoaderEntries", "as", property_get_boot_loader_entries
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
3553 SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
3554 SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
3555 SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
3556 SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
3557 SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
3558 SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL
, offsetof(Manager
, inhibit_delay_max
), SD_BUS_VTABLE_PROPERTY_CONST
),
3559 SD_BUS_PROPERTY("UserStopDelayUSec", "t", NULL
, offsetof(Manager
, user_stop_delay
), SD_BUS_VTABLE_PROPERTY_CONST
),
3560 SD_BUS_PROPERTY("SleepOperation", "as", property_get_sleep_operations
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
3561 SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action
, offsetof(Manager
, handle_power_key
), SD_BUS_VTABLE_PROPERTY_CONST
),
3562 SD_BUS_PROPERTY("HandlePowerKeyLongPress", "s", property_get_handle_action
, offsetof(Manager
, handle_power_key_long_press
), SD_BUS_VTABLE_PROPERTY_CONST
),
3563 SD_BUS_PROPERTY("HandleRebootKey", "s", property_get_handle_action
, offsetof(Manager
, handle_reboot_key
), SD_BUS_VTABLE_PROPERTY_CONST
),
3564 SD_BUS_PROPERTY("HandleRebootKeyLongPress", "s", property_get_handle_action
, offsetof(Manager
, handle_reboot_key_long_press
), SD_BUS_VTABLE_PROPERTY_CONST
),
3565 SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action
, offsetof(Manager
, handle_suspend_key
), SD_BUS_VTABLE_PROPERTY_CONST
),
3566 SD_BUS_PROPERTY("HandleSuspendKeyLongPress", "s", property_get_handle_action
, offsetof(Manager
, handle_suspend_key_long_press
), SD_BUS_VTABLE_PROPERTY_CONST
),
3567 SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action
, offsetof(Manager
, handle_hibernate_key
), SD_BUS_VTABLE_PROPERTY_CONST
),
3568 SD_BUS_PROPERTY("HandleHibernateKeyLongPress", "s", property_get_handle_action
, offsetof(Manager
, handle_hibernate_key_long_press
), SD_BUS_VTABLE_PROPERTY_CONST
),
3569 SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action
, offsetof(Manager
, handle_lid_switch
), SD_BUS_VTABLE_PROPERTY_CONST
),
3570 SD_BUS_PROPERTY("HandleLidSwitchExternalPower", "s", property_get_handle_action
, offsetof(Manager
, handle_lid_switch_ep
), SD_BUS_VTABLE_PROPERTY_CONST
),
3571 SD_BUS_PROPERTY("HandleLidSwitchDocked", "s", property_get_handle_action
, offsetof(Manager
, handle_lid_switch_docked
), SD_BUS_VTABLE_PROPERTY_CONST
),
3572 SD_BUS_PROPERTY("HoldoffTimeoutUSec", "t", NULL
, offsetof(Manager
, holdoff_timeout_usec
), SD_BUS_VTABLE_PROPERTY_CONST
),
3573 SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action
, offsetof(Manager
, idle_action
), SD_BUS_VTABLE_PROPERTY_CONST
),
3574 SD_BUS_PROPERTY("IdleActionUSec", "t", NULL
, offsetof(Manager
, idle_action_usec
), SD_BUS_VTABLE_PROPERTY_CONST
),
3575 SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing
, 0, 0),
3576 SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing
, 0, 0),
3577 SD_BUS_PROPERTY("ScheduledShutdown", "(st)", property_get_scheduled_shutdown
, 0, 0),
3578 SD_BUS_PROPERTY("Docked", "b", property_get_docked
, 0, 0),
3579 SD_BUS_PROPERTY("LidClosed", "b", property_get_lid_closed
, 0, 0),
3580 SD_BUS_PROPERTY("OnExternalPower", "b", property_get_on_external_power
, 0, 0),
3581 SD_BUS_PROPERTY("RemoveIPC", "b", bus_property_get_bool
, offsetof(Manager
, remove_ipc
), SD_BUS_VTABLE_PROPERTY_CONST
),
3582 SD_BUS_PROPERTY("RuntimeDirectorySize", "t", NULL
, offsetof(Manager
, runtime_dir_size
), SD_BUS_VTABLE_PROPERTY_CONST
),
3583 SD_BUS_PROPERTY("RuntimeDirectoryInodesMax", "t", NULL
, offsetof(Manager
, runtime_dir_inodes
), SD_BUS_VTABLE_PROPERTY_CONST
),
3584 SD_BUS_PROPERTY("InhibitorsMax", "t", NULL
, offsetof(Manager
, inhibitors_max
), SD_BUS_VTABLE_PROPERTY_CONST
),
3585 SD_BUS_PROPERTY("NCurrentInhibitors", "t", property_get_hashmap_size
, offsetof(Manager
, inhibitors
), 0),
3586 SD_BUS_PROPERTY("SessionsMax", "t", NULL
, offsetof(Manager
, sessions_max
), SD_BUS_VTABLE_PROPERTY_CONST
),
3587 SD_BUS_PROPERTY("NCurrentSessions", "t", property_get_hashmap_size
, offsetof(Manager
, sessions
), 0),
3588 SD_BUS_PROPERTY("UserTasksMax", "t", property_get_compat_user_tasks_max
, 0, SD_BUS_VTABLE_PROPERTY_CONST
|SD_BUS_VTABLE_HIDDEN
),
3589 SD_BUS_PROPERTY("StopIdleSessionUSec", "t", NULL
, offsetof(Manager
, stop_idle_session_usec
), SD_BUS_VTABLE_PROPERTY_CONST
),
3591 SD_BUS_METHOD_WITH_ARGS("GetSession",
3592 SD_BUS_ARGS("s", session_id
),
3593 SD_BUS_RESULT("o", object_path
),
3595 SD_BUS_VTABLE_UNPRIVILEGED
),
3596 SD_BUS_METHOD_WITH_ARGS("GetSessionByPID",
3597 SD_BUS_ARGS("u", pid
),
3598 SD_BUS_RESULT("o", object_path
),
3599 method_get_session_by_pid
,
3600 SD_BUS_VTABLE_UNPRIVILEGED
),
3601 SD_BUS_METHOD_WITH_ARGS("GetUser",
3602 SD_BUS_ARGS("u", uid
),
3603 SD_BUS_RESULT("o", object_path
),
3605 SD_BUS_VTABLE_UNPRIVILEGED
),
3606 SD_BUS_METHOD_WITH_ARGS("GetUserByPID",
3607 SD_BUS_ARGS("u", pid
),
3608 SD_BUS_RESULT("o", object_path
),
3609 method_get_user_by_pid
,
3610 SD_BUS_VTABLE_UNPRIVILEGED
),
3611 SD_BUS_METHOD_WITH_ARGS("GetSeat",
3612 SD_BUS_ARGS("s", seat_id
),
3613 SD_BUS_RESULT("o", object_path
),
3615 SD_BUS_VTABLE_UNPRIVILEGED
),
3616 SD_BUS_METHOD_WITH_ARGS("ListSessions",
3618 SD_BUS_RESULT("a(susso)", sessions
),
3619 method_list_sessions
,
3620 SD_BUS_VTABLE_UNPRIVILEGED
),
3621 SD_BUS_METHOD_WITH_ARGS("ListUsers",
3623 SD_BUS_RESULT("a(uso)", users
),
3625 SD_BUS_VTABLE_UNPRIVILEGED
),
3626 SD_BUS_METHOD_WITH_ARGS("ListSeats",
3628 SD_BUS_RESULT("a(so)", seats
),
3630 SD_BUS_VTABLE_UNPRIVILEGED
),
3631 SD_BUS_METHOD_WITH_ARGS("ListInhibitors",
3633 SD_BUS_RESULT("a(ssssuu)", inhibitors
),
3634 method_list_inhibitors
,
3635 SD_BUS_VTABLE_UNPRIVILEGED
),
3636 SD_BUS_METHOD_WITH_ARGS("CreateSession",
3637 SD_BUS_ARGS("u", uid
,
3650 "a(sv)", properties
),
3651 SD_BUS_RESULT("s", session_id
,
3659 method_create_session
,
3661 SD_BUS_METHOD_WITH_ARGS("CreateSessionWithPIDFD",
3662 SD_BUS_ARGS("u", uid
,
3676 "a(sv)", properties
),
3677 SD_BUS_RESULT("s", session_id
,
3685 method_create_session_pidfd
,
3687 SD_BUS_METHOD_WITH_ARGS("ReleaseSession",
3688 SD_BUS_ARGS("s", session_id
),
3690 method_release_session
,
3692 SD_BUS_METHOD_WITH_ARGS("ActivateSession",
3693 SD_BUS_ARGS("s", session_id
),
3695 method_activate_session
,
3696 SD_BUS_VTABLE_UNPRIVILEGED
),
3697 SD_BUS_METHOD_WITH_ARGS("ActivateSessionOnSeat",
3698 SD_BUS_ARGS("s", session_id
, "s", seat_id
),
3700 method_activate_session_on_seat
,
3701 SD_BUS_VTABLE_UNPRIVILEGED
),
3702 SD_BUS_METHOD_WITH_ARGS("LockSession",
3703 SD_BUS_ARGS("s", session_id
),
3705 method_lock_session
,
3706 SD_BUS_VTABLE_UNPRIVILEGED
),
3707 SD_BUS_METHOD_WITH_ARGS("UnlockSession",
3708 SD_BUS_ARGS("s", session_id
),
3710 method_lock_session
,
3711 SD_BUS_VTABLE_UNPRIVILEGED
),
3712 SD_BUS_METHOD("LockSessions",
3715 method_lock_sessions
,
3716 SD_BUS_VTABLE_UNPRIVILEGED
),
3717 SD_BUS_METHOD("UnlockSessions",
3720 method_lock_sessions
,
3721 SD_BUS_VTABLE_UNPRIVILEGED
),
3722 SD_BUS_METHOD_WITH_ARGS("KillSession",
3723 SD_BUS_ARGS("s", session_id
, "s", who
, "i", signal_number
),
3725 method_kill_session
,
3726 SD_BUS_VTABLE_UNPRIVILEGED
),
3727 SD_BUS_METHOD_WITH_ARGS("KillUser",
3728 SD_BUS_ARGS("u", uid
, "i", signal_number
),
3731 SD_BUS_VTABLE_UNPRIVILEGED
),
3732 SD_BUS_METHOD_WITH_ARGS("TerminateSession",
3733 SD_BUS_ARGS("s", session_id
),
3735 method_terminate_session
,
3736 SD_BUS_VTABLE_UNPRIVILEGED
),
3737 SD_BUS_METHOD_WITH_ARGS("TerminateUser",
3738 SD_BUS_ARGS("u", uid
),
3740 method_terminate_user
,
3741 SD_BUS_VTABLE_UNPRIVILEGED
),
3742 SD_BUS_METHOD_WITH_ARGS("TerminateSeat",
3743 SD_BUS_ARGS("s", seat_id
),
3745 method_terminate_seat
,
3746 SD_BUS_VTABLE_UNPRIVILEGED
),
3747 SD_BUS_METHOD_WITH_ARGS("SetUserLinger",
3748 SD_BUS_ARGS("u", uid
, "b", enable
, "b", interactive
),
3750 method_set_user_linger
,
3751 SD_BUS_VTABLE_UNPRIVILEGED
),
3752 SD_BUS_METHOD_WITH_ARGS("AttachDevice",
3753 SD_BUS_ARGS("s", seat_id
, "s", sysfs_path
, "b", interactive
),
3755 method_attach_device
,
3756 SD_BUS_VTABLE_UNPRIVILEGED
),
3757 SD_BUS_METHOD_WITH_ARGS("FlushDevices",
3758 SD_BUS_ARGS("b", interactive
),
3760 method_flush_devices
,
3761 SD_BUS_VTABLE_UNPRIVILEGED
),
3762 SD_BUS_METHOD_WITH_ARGS("PowerOff",
3763 SD_BUS_ARGS("b", interactive
),
3766 SD_BUS_VTABLE_UNPRIVILEGED
),
3767 SD_BUS_METHOD_WITH_ARGS("PowerOffWithFlags",
3768 SD_BUS_ARGS("t", flags
),
3771 SD_BUS_VTABLE_UNPRIVILEGED
),
3772 SD_BUS_METHOD_WITH_ARGS("Reboot",
3773 SD_BUS_ARGS("b", interactive
),
3776 SD_BUS_VTABLE_UNPRIVILEGED
),
3777 SD_BUS_METHOD_WITH_ARGS("RebootWithFlags",
3778 SD_BUS_ARGS("t", flags
),
3781 SD_BUS_VTABLE_UNPRIVILEGED
),
3782 SD_BUS_METHOD_WITH_ARGS("Halt",
3783 SD_BUS_ARGS("b", interactive
),
3786 SD_BUS_VTABLE_UNPRIVILEGED
),
3787 SD_BUS_METHOD_WITH_ARGS("HaltWithFlags",
3788 SD_BUS_ARGS("t", flags
),
3791 SD_BUS_VTABLE_UNPRIVILEGED
),
3792 SD_BUS_METHOD_WITH_ARGS("Suspend",
3793 SD_BUS_ARGS("b", interactive
),
3796 SD_BUS_VTABLE_UNPRIVILEGED
),
3797 SD_BUS_METHOD_WITH_ARGS("SuspendWithFlags",
3798 SD_BUS_ARGS("t", flags
),
3801 SD_BUS_VTABLE_UNPRIVILEGED
),
3802 SD_BUS_METHOD_WITH_ARGS("Hibernate",
3803 SD_BUS_ARGS("b", interactive
),
3806 SD_BUS_VTABLE_UNPRIVILEGED
),
3807 SD_BUS_METHOD_WITH_ARGS("HibernateWithFlags",
3808 SD_BUS_ARGS("t", flags
),
3811 SD_BUS_VTABLE_UNPRIVILEGED
),
3812 SD_BUS_METHOD_WITH_ARGS("HybridSleep",
3813 SD_BUS_ARGS("b", interactive
),
3815 method_hybrid_sleep
,
3816 SD_BUS_VTABLE_UNPRIVILEGED
),
3817 SD_BUS_METHOD_WITH_ARGS("HybridSleepWithFlags",
3818 SD_BUS_ARGS("t", flags
),
3820 method_hybrid_sleep
,
3821 SD_BUS_VTABLE_UNPRIVILEGED
),
3822 SD_BUS_METHOD_WITH_ARGS("SuspendThenHibernate",
3823 SD_BUS_ARGS("b", interactive
),
3825 method_suspend_then_hibernate
,
3826 SD_BUS_VTABLE_UNPRIVILEGED
),
3827 SD_BUS_METHOD_WITH_ARGS("SuspendThenHibernateWithFlags",
3828 SD_BUS_ARGS("t", flags
),
3830 method_suspend_then_hibernate
,
3831 SD_BUS_VTABLE_UNPRIVILEGED
),
3832 SD_BUS_METHOD_WITH_ARGS("Sleep",
3833 SD_BUS_ARGS("t", flags
),
3836 SD_BUS_VTABLE_UNPRIVILEGED
),
3837 SD_BUS_METHOD_WITH_ARGS("CanPowerOff",
3839 SD_BUS_RESULT("s", result
),
3840 method_can_poweroff
,
3841 SD_BUS_VTABLE_UNPRIVILEGED
),
3842 SD_BUS_METHOD_WITH_ARGS("CanReboot",
3844 SD_BUS_RESULT("s", result
),
3846 SD_BUS_VTABLE_UNPRIVILEGED
),
3847 SD_BUS_METHOD_WITH_ARGS("CanHalt",
3849 SD_BUS_RESULT("s", result
),
3851 SD_BUS_VTABLE_UNPRIVILEGED
),
3852 SD_BUS_METHOD_WITH_ARGS("CanSuspend",
3854 SD_BUS_RESULT("s", result
),
3856 SD_BUS_VTABLE_UNPRIVILEGED
),
3857 SD_BUS_METHOD_WITH_ARGS("CanHibernate",
3859 SD_BUS_RESULT("s", result
),
3860 method_can_hibernate
,
3861 SD_BUS_VTABLE_UNPRIVILEGED
),
3862 SD_BUS_METHOD_WITH_ARGS("CanHybridSleep",
3864 SD_BUS_RESULT("s", result
),
3865 method_can_hybrid_sleep
,
3866 SD_BUS_VTABLE_UNPRIVILEGED
),
3867 SD_BUS_METHOD_WITH_ARGS("CanSuspendThenHibernate",
3869 SD_BUS_RESULT("s", result
),
3870 method_can_suspend_then_hibernate
,
3871 SD_BUS_VTABLE_UNPRIVILEGED
),
3872 SD_BUS_METHOD_WITH_ARGS("CanSleep",
3874 SD_BUS_RESULT("s", result
),
3876 SD_BUS_VTABLE_UNPRIVILEGED
),
3877 SD_BUS_METHOD_WITH_ARGS("ScheduleShutdown",
3878 SD_BUS_ARGS("s", type
, "t", usec
),
3880 method_schedule_shutdown
,
3881 SD_BUS_VTABLE_UNPRIVILEGED
),
3882 SD_BUS_METHOD_WITH_ARGS("CancelScheduledShutdown",
3884 SD_BUS_RESULT("b", cancelled
),
3885 method_cancel_scheduled_shutdown
,
3886 SD_BUS_VTABLE_UNPRIVILEGED
),
3887 SD_BUS_METHOD_WITH_ARGS("Inhibit",
3888 SD_BUS_ARGS("s", what
, "s", who
, "s", why
, "s", mode
),
3889 SD_BUS_RESULT("h", pipe_fd
),
3891 SD_BUS_VTABLE_UNPRIVILEGED
),
3892 SD_BUS_METHOD_WITH_ARGS("CanRebootParameter",
3894 SD_BUS_RESULT("s", result
),
3895 method_can_reboot_parameter
,
3896 SD_BUS_VTABLE_UNPRIVILEGED
),
3897 SD_BUS_METHOD_WITH_ARGS("SetRebootParameter",
3898 SD_BUS_ARGS("s", parameter
),
3900 method_set_reboot_parameter
,
3901 SD_BUS_VTABLE_UNPRIVILEGED
),
3902 SD_BUS_METHOD_WITH_ARGS("CanRebootToFirmwareSetup",
3904 SD_BUS_RESULT("s", result
),
3905 method_can_reboot_to_firmware_setup
,
3906 SD_BUS_VTABLE_UNPRIVILEGED
),
3907 SD_BUS_METHOD_WITH_ARGS("SetRebootToFirmwareSetup",
3908 SD_BUS_ARGS("b", enable
),
3910 method_set_reboot_to_firmware_setup
,
3911 SD_BUS_VTABLE_UNPRIVILEGED
),
3912 SD_BUS_METHOD_WITH_ARGS("CanRebootToBootLoaderMenu",
3914 SD_BUS_RESULT("s", result
),
3915 method_can_reboot_to_boot_loader_menu
,
3916 SD_BUS_VTABLE_UNPRIVILEGED
),
3917 SD_BUS_METHOD_WITH_ARGS("SetRebootToBootLoaderMenu",
3918 SD_BUS_ARGS("t", timeout
),
3920 method_set_reboot_to_boot_loader_menu
,
3921 SD_BUS_VTABLE_UNPRIVILEGED
),
3922 SD_BUS_METHOD_WITH_ARGS("CanRebootToBootLoaderEntry",
3924 SD_BUS_RESULT("s", result
),
3925 method_can_reboot_to_boot_loader_entry
,
3926 SD_BUS_VTABLE_UNPRIVILEGED
),
3927 SD_BUS_METHOD_WITH_ARGS("SetRebootToBootLoaderEntry",
3928 SD_BUS_ARGS("s", boot_loader_entry
),
3930 method_set_reboot_to_boot_loader_entry
,
3931 SD_BUS_VTABLE_UNPRIVILEGED
),
3932 SD_BUS_METHOD_WITH_ARGS("SetWallMessage",
3933 SD_BUS_ARGS("s", wall_message
, "b", enable
),
3935 method_set_wall_message
,
3936 SD_BUS_VTABLE_UNPRIVILEGED
),
3938 SD_BUS_SIGNAL_WITH_ARGS("SessionNew",
3939 SD_BUS_ARGS("s", session_id
, "o", object_path
),
3941 SD_BUS_SIGNAL_WITH_ARGS("SessionRemoved",
3942 SD_BUS_ARGS("s", session_id
, "o", object_path
),
3944 SD_BUS_SIGNAL_WITH_ARGS("UserNew",
3945 SD_BUS_ARGS("u", uid
, "o", object_path
),
3947 SD_BUS_SIGNAL_WITH_ARGS("UserRemoved",
3948 SD_BUS_ARGS("u", uid
, "o", object_path
),
3950 SD_BUS_SIGNAL_WITH_ARGS("SeatNew",
3951 SD_BUS_ARGS("s", seat_id
, "o", object_path
),
3953 SD_BUS_SIGNAL_WITH_ARGS("SeatRemoved",
3954 SD_BUS_ARGS("s", seat_id
, "o", object_path
),
3956 SD_BUS_SIGNAL_WITH_ARGS("PrepareForShutdown",
3957 SD_BUS_ARGS("b", start
),
3959 SD_BUS_SIGNAL_WITH_ARGS("PrepareForShutdownWithMetadata",
3960 SD_BUS_ARGS("b", start
, "a{sv}", metadata
),
3962 SD_BUS_SIGNAL_WITH_ARGS("PrepareForSleep",
3963 SD_BUS_ARGS("b", start
),
3969 const BusObjectImplementation manager_object
= {
3970 "/org/freedesktop/login1",
3971 "org.freedesktop.login1.Manager",
3972 .vtables
= BUS_VTABLES(manager_vtable
),
3973 .children
= BUS_IMPLEMENTATIONS(&seat_object
,
3978 static int session_jobs_reply(Session
*s
, uint32_t jid
, const char *unit
, const char *result
) {
3985 if (result
&& !streq(result
, "done")) {
3986 _cleanup_(sd_bus_error_free
) sd_bus_error e
= SD_BUS_ERROR_NULL
;
3988 sd_bus_error_setf(&e
, BUS_ERROR_JOB_FAILED
,
3989 "Job %u for unit '%s' failed with '%s'", jid
, unit
, result
);
3990 return session_send_create_reply(s
, &e
);
3993 return session_send_create_reply(s
, NULL
);
3996 int match_job_removed(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
3997 const char *path
, *result
, *unit
;
3998 Manager
*m
= ASSERT_PTR(userdata
);
4006 r
= sd_bus_message_read(message
, "uoss", &id
, &path
, &unit
, &result
);
4008 bus_log_parse_error(r
);
4012 if (m
->action_job
&& streq(m
->action_job
, path
)) {
4013 assert(m
->delayed_action
);
4014 log_info("Operation '%s' finished.", inhibit_what_to_string(m
->delayed_action
->inhibit_what
));
4016 /* Tell people that they now may take a lock again */
4017 (void) send_prepare_for(m
, m
->delayed_action
, false);
4019 m
->action_job
= mfree(m
->action_job
);
4020 m
->delayed_action
= NULL
;
4024 session
= hashmap_get(m
->session_units
, unit
);
4026 if (streq_ptr(path
, session
->scope_job
)) {
4027 session
->scope_job
= mfree(session
->scope_job
);
4028 (void) session_jobs_reply(session
, id
, unit
, result
);
4030 session_save(session
);
4031 user_save(session
->user
);
4034 session_add_to_gc_queue(session
);
4037 user
= hashmap_get(m
->user_units
, unit
);
4039 if (streq_ptr(path
, user
->service_job
)) {
4040 user
->service_job
= mfree(user
->service_job
);
4042 LIST_FOREACH(sessions_by_user
, s
, user
->sessions
)
4043 (void) session_jobs_reply(s
, id
, unit
, NULL
/* don't propagate user service failures to the client */);
4048 user_add_to_gc_queue(user
);
4054 int match_unit_removed(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
4055 const char *path
, *unit
;
4056 Manager
*m
= ASSERT_PTR(userdata
);
4063 r
= sd_bus_message_read(message
, "so", &unit
, &path
);
4065 bus_log_parse_error(r
);
4069 session
= hashmap_get(m
->session_units
, unit
);
4071 session_add_to_gc_queue(session
);
4073 user
= hashmap_get(m
->user_units
, unit
);
4075 user_add_to_gc_queue(user
);
4080 int match_properties_changed(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
4081 _cleanup_free_
char *unit
= NULL
;
4082 Manager
*m
= ASSERT_PTR(userdata
);
4090 path
= sd_bus_message_get_path(message
);
4094 r
= unit_name_from_dbus_path(path
, &unit
);
4095 if (r
== -EINVAL
) /* not a unit */
4102 session
= hashmap_get(m
->session_units
, unit
);
4104 session_add_to_gc_queue(session
);
4106 user
= hashmap_get(m
->user_units
, unit
);
4108 user_add_to_gc_queue(user
);
4113 int match_reloading(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
4114 Manager
*m
= ASSERT_PTR(userdata
);
4120 r
= sd_bus_message_read(message
, "b", &b
);
4122 bus_log_parse_error(r
);
4129 /* systemd finished reloading, let's recheck all our sessions */
4130 log_debug("System manager has been reloaded, rechecking sessions...");
4132 HASHMAP_FOREACH(session
, m
->sessions
)
4133 session_add_to_gc_queue(session
);
4138 int manager_send_changed(Manager
*manager
, const char *property
, ...) {
4143 l
= strv_from_stdarg_alloca(property
);
4145 return sd_bus_emit_properties_changed_strv(
4147 "/org/freedesktop/login1",
4148 "org.freedesktop.login1.Manager",
4152 static int strdup_job(sd_bus_message
*reply
, char **job
) {
4157 r
= sd_bus_message_read(reply
, "o", &j
);
4169 int manager_start_scope(
4172 const PidRef
*pidref
,
4174 const char *description
,
4177 const char *requires_mounts_for
,
4178 sd_bus_message
*more_properties
,
4179 sd_bus_error
*error
,
4182 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*m
= NULL
, *reply
= NULL
;
4187 assert(pidref_is_set(pidref
));
4190 r
= bus_message_new_method_call(manager
->bus
, &m
, bus_systemd_mgr
, "StartTransientUnit");
4194 r
= sd_bus_message_append(m
, "ss", strempty(scope
), "fail");
4198 r
= sd_bus_message_open_container(m
, 'a', "(sv)");
4202 if (!isempty(slice
)) {
4203 r
= sd_bus_message_append(m
, "(sv)", "Slice", "s", slice
);
4208 if (!isempty(description
)) {
4209 r
= sd_bus_message_append(m
, "(sv)", "Description", "s", description
);
4214 STRV_FOREACH(i
, wants
) {
4215 r
= sd_bus_message_append(m
, "(sv)", "Wants", "as", 1, *i
);
4220 STRV_FOREACH(i
, after
) {
4221 r
= sd_bus_message_append(m
, "(sv)", "After", "as", 1, *i
);
4226 if (!empty_or_root(requires_mounts_for
)) {
4227 r
= sd_bus_message_append(m
, "(sv)", "RequiresMountsFor", "as", 1, requires_mounts_for
);
4232 /* Make sure that the session shells are terminated with SIGHUP since bash and friends tend to ignore
4234 r
= sd_bus_message_append(m
, "(sv)", "SendSIGHUP", "b", true);
4238 r
= bus_append_scope_pidref(m
, pidref
);
4242 /* For login session scopes, if a process is OOM killed by the kernel, *don't* terminate the rest of
4244 r
= sd_bus_message_append(m
, "(sv)", "OOMPolicy", "s", "continue");
4248 /* disable TasksMax= for the session scope, rely on the slice setting for it */
4249 r
= sd_bus_message_append(m
, "(sv)", "TasksMax", "t", UINT64_MAX
);
4251 return bus_log_create_error(r
);
4253 if (more_properties
) {
4254 /* If TasksMax also appears here, it will overwrite the default value set above */
4255 r
= sd_bus_message_copy(m
, more_properties
, true);
4260 r
= sd_bus_message_close_container(m
);
4264 r
= sd_bus_message_append(m
, "a(sa(sv))", 0);
4268 r
= sd_bus_call(manager
->bus
, m
, 0, error
, &reply
);
4272 return strdup_job(reply
, job
);
4275 int manager_start_unit(Manager
*manager
, const char *unit
, sd_bus_error
*error
, char **job
) {
4276 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
4283 r
= bus_call_method(
4289 "ss", unit
, "replace");
4293 return strdup_job(reply
, job
);
4296 int manager_stop_unit(Manager
*manager
, const char *unit
, const char *job_mode
, sd_bus_error
*error
, char **ret_job
) {
4297 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
4304 r
= bus_call_method(
4310 "ss", unit
, job_mode
?: "fail");
4312 if (sd_bus_error_has_names(error
, BUS_ERROR_NO_SUCH_UNIT
,
4313 BUS_ERROR_LOAD_FAILED
)) {
4316 sd_bus_error_free(error
);
4323 return strdup_job(reply
, ret_job
);
4326 int manager_abandon_scope(Manager
*manager
, const char *scope
, sd_bus_error
*ret_error
) {
4327 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
4328 _cleanup_free_
char *path
= NULL
;
4334 path
= unit_dbus_path_from_name(scope
);
4338 r
= sd_bus_call_method(
4340 "org.freedesktop.systemd1",
4342 "org.freedesktop.systemd1.Scope",
4348 if (sd_bus_error_has_names(&error
, BUS_ERROR_NO_SUCH_UNIT
,
4349 BUS_ERROR_LOAD_FAILED
,
4350 BUS_ERROR_SCOPE_NOT_RUNNING
))
4353 sd_bus_error_move(ret_error
, &error
);
4360 int manager_kill_unit(Manager
*manager
, const char *unit
, KillWho who
, int signo
, sd_bus_error
*error
) {
4364 return bus_call_method(
4370 "ssi", unit
, who
== KILL_LEADER
? "main" : "all", signo
);
4373 int manager_unit_is_active(Manager
*manager
, const char *unit
, sd_bus_error
*ret_error
) {
4374 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
4375 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
4376 _cleanup_free_
char *path
= NULL
;
4383 path
= unit_dbus_path_from_name(unit
);
4387 r
= sd_bus_get_property(
4389 "org.freedesktop.systemd1",
4391 "org.freedesktop.systemd1.Unit",
4397 /* systemd might have dropped off momentarily, let's
4398 * not make this an error */
4399 if (sd_bus_error_has_names(&error
, SD_BUS_ERROR_NO_REPLY
,
4400 SD_BUS_ERROR_DISCONNECTED
))
4403 /* If the unit is already unloaded then it's not
4405 if (sd_bus_error_has_names(&error
, BUS_ERROR_NO_SUCH_UNIT
,
4406 BUS_ERROR_LOAD_FAILED
))
4409 sd_bus_error_move(ret_error
, &error
);
4413 r
= sd_bus_message_read(reply
, "s", &state
);
4417 return !STR_IN_SET(state
, "inactive", "failed");
4420 int manager_job_is_active(Manager
*manager
, const char *path
, sd_bus_error
*ret_error
) {
4421 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
4422 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
4428 r
= sd_bus_get_property(
4430 "org.freedesktop.systemd1",
4432 "org.freedesktop.systemd1.Job",
4438 if (sd_bus_error_has_names(&error
, SD_BUS_ERROR_NO_REPLY
,
4439 SD_BUS_ERROR_DISCONNECTED
))
4442 if (sd_bus_error_has_name(&error
, SD_BUS_ERROR_UNKNOWN_OBJECT
))
4445 sd_bus_error_move(ret_error
, &error
);
4449 /* We don't actually care about the state really. The fact
4450 * that we could read the job state is enough for us */