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 (SESSION_IS_SELF(name
)) /* the caller's own session */
145 return get_sender_session(m
, message
, false, error
, ret
);
146 if (SESSION_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_sessions_ex(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
595 Manager
*m
= ASSERT_PTR(userdata
);
596 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
601 r
= sd_bus_message_new_method_return(message
, &reply
);
605 r
= sd_bus_message_open_container(reply
, 'a', "(sussussbto)");
610 HASHMAP_FOREACH(s
, m
->sessions
) {
611 _cleanup_free_
char *path
= NULL
;
612 dual_timestamp idle_ts
;
617 path
= session_bus_path(s
);
621 r
= session_get_idle_hint(s
, &idle_ts
);
626 r
= sd_bus_message_append(reply
, "(sussussbto)",
628 (uint32_t) s
->user
->user_record
->uid
,
629 s
->user
->user_record
->user_name
,
630 s
->seat
? s
->seat
->id
: "",
631 (uint32_t) s
->leader
.pid
,
632 session_class_to_string(s
->class),
641 r
= sd_bus_message_close_container(reply
);
645 return sd_bus_send(NULL
, reply
, NULL
);
648 static int method_list_users(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
649 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
650 Manager
*m
= ASSERT_PTR(userdata
);
656 r
= sd_bus_message_new_method_return(message
, &reply
);
660 r
= sd_bus_message_open_container(reply
, 'a', "(uso)");
664 HASHMAP_FOREACH(user
, m
->users
) {
665 _cleanup_free_
char *p
= NULL
;
667 p
= user_bus_path(user
);
671 r
= sd_bus_message_append(reply
, "(uso)",
672 (uint32_t) user
->user_record
->uid
,
673 user
->user_record
->user_name
,
679 r
= sd_bus_message_close_container(reply
);
683 return sd_bus_send(NULL
, reply
, NULL
);
686 static int method_list_seats(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
687 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
688 Manager
*m
= ASSERT_PTR(userdata
);
694 r
= sd_bus_message_new_method_return(message
, &reply
);
698 r
= sd_bus_message_open_container(reply
, 'a', "(so)");
702 HASHMAP_FOREACH(seat
, m
->seats
) {
703 _cleanup_free_
char *p
= NULL
;
705 p
= seat_bus_path(seat
);
709 r
= sd_bus_message_append(reply
, "(so)", seat
->id
, p
);
714 r
= sd_bus_message_close_container(reply
);
718 return sd_bus_send(NULL
, reply
, NULL
);
721 static int method_list_inhibitors(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
722 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
723 Manager
*m
= ASSERT_PTR(userdata
);
724 Inhibitor
*inhibitor
;
729 r
= sd_bus_message_new_method_return(message
, &reply
);
733 r
= sd_bus_message_open_container(reply
, 'a', "(ssssuu)");
737 HASHMAP_FOREACH(inhibitor
, m
->inhibitors
) {
739 r
= sd_bus_message_append(reply
, "(ssssuu)",
740 strempty(inhibit_what_to_string(inhibitor
->what
)),
741 strempty(inhibitor
->who
),
742 strempty(inhibitor
->why
),
743 strempty(inhibit_mode_to_string(inhibitor
->mode
)),
744 (uint32_t) inhibitor
->uid
,
745 (uint32_t) inhibitor
->pid
.pid
);
750 r
= sd_bus_message_close_container(reply
);
754 return sd_bus_send(NULL
, reply
, NULL
);
757 static int create_session(
758 sd_bus_message
*message
,
773 const char *remote_user
,
774 const char *remote_host
,
777 _cleanup_(pidref_done
) PidRef leader
= PIDREF_NULL
;
778 Manager
*m
= ASSERT_PTR(userdata
);
779 _cleanup_free_
char *id
= NULL
;
780 Session
*session
= NULL
;
781 uint32_t audit_id
= 0;
790 if (!uid_is_valid(uid
))
791 return sd_bus_error_set(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid UID");
794 return sd_bus_error_set(error
, SD_BUS_ERROR_INVALID_ARGS
, "Flags must be zero.");
797 r
= pidref_set_pidfd(&leader
, pidfd
);
800 } else if (pid
== 0) {
801 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
804 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_PID
, &creds
);
808 r
= sd_bus_creds_get_pid(creds
, &p
);
812 r
= pidref_set_pid(&leader
, p
);
818 r
= pidref_set_pid(&leader
, pid
);
823 if (leader
.pid
== 1 || leader
.pid
== getpid_cached())
824 return sd_bus_error_set(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid leader PID");
827 t
= _SESSION_TYPE_INVALID
;
829 t
= session_type_from_string(type
);
831 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
832 "Invalid session type %s", type
);
836 c
= _SESSION_CLASS_INVALID
;
838 c
= session_class_from_string(class);
840 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
841 "Invalid session class %s", class);
844 if (isempty(desktop
))
847 if (!string_is_safe(desktop
))
848 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
849 "Invalid desktop string %s", desktop
);
855 seat
= hashmap_get(m
->seats
, cseat
);
857 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_SEAT
,
858 "No seat '%s' known", cseat
);
861 if (tty_is_vc(tty
)) {
866 else if (seat
!= m
->seat0
)
867 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
868 "TTY %s is virtual console but seat %s is not seat0", tty
, seat
->id
);
870 v
= vtnr_from_tty(tty
);
872 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
873 "Cannot determine VT number from virtual console TTY %s", tty
);
877 else if (vtnr
!= (uint32_t) v
)
878 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
879 "Specified TTY and VT number do not match");
881 } else if (tty_is_console(tty
)) {
885 else if (seat
!= m
->seat0
)
886 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
887 "Console TTY specified but seat is not seat0");
890 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
891 "Console TTY specified but VT number is not 0");
895 if (seat_has_vts(seat
)) {
896 if (vtnr
<= 0 || vtnr
> 63)
897 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
898 "VT number out of range");
901 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
902 "Seat has no VTs but VT number not 0");
906 if (t
== _SESSION_TYPE_INVALID
) {
907 if (!isempty(display
))
909 else if (!isempty(tty
))
912 t
= SESSION_UNSPECIFIED
;
915 if (c
== _SESSION_CLASS_INVALID
) {
916 if (t
== SESSION_UNSPECIFIED
)
917 c
= SESSION_BACKGROUND
;
922 /* Check if we are already in a logind session, and if so refuse. */
923 r
= manager_get_session_by_pidref(m
, &leader
, /* ret_session= */ NULL
);
927 return sd_bus_error_setf(error
, BUS_ERROR_SESSION_BUSY
,
928 "Already running in a session or user slice");
930 /* Old gdm and lightdm start the user-session on the same VT as the greeter session. But they destroy
931 * the greeter session after the user-session and want the user-session to take over the VT. We need
932 * to support this for backwards-compatibility, so make sure we allow new sessions on a VT that a
933 * greeter is running on. Furthermore, to allow re-logins, we have to allow a greeter to take over a
934 * used VT for the exact same reasons. */
935 if (c
!= SESSION_GREETER
&&
937 vtnr
< MALLOC_ELEMENTSOF(m
->seat0
->positions
) &&
938 m
->seat0
->positions
[vtnr
] &&
939 m
->seat0
->positions
[vtnr
]->class != SESSION_GREETER
)
940 return sd_bus_error_set(error
, BUS_ERROR_SESSION_BUSY
, "Already occupied by a session");
942 if (hashmap_size(m
->sessions
) >= m
->sessions_max
)
943 return sd_bus_error_setf(error
, SD_BUS_ERROR_LIMITS_EXCEEDED
,
944 "Maximum number of sessions (%" PRIu64
") reached, refusing further sessions.",
947 (void) audit_session_from_pid(leader
.pid
, &audit_id
);
948 if (audit_session_is_valid(audit_id
)) {
949 /* Keep our session IDs and the audit session IDs in sync */
951 if (asprintf(&id
, "%"PRIu32
, audit_id
) < 0)
954 /* Wut? There's already a session by this name and we didn't find it above? Weird, then let's
955 * not trust the audit data and let's better register a new ID */
956 if (hashmap_contains(m
->sessions
, id
)) {
957 log_warning("Existing logind session ID %s used by new audit session, ignoring.", id
);
958 audit_id
= AUDIT_SESSION_INVALID
;
967 if (asprintf(&id
, "c%" PRIu64
, ++m
->session_counter
) < 0)
970 } while (hashmap_contains(m
->sessions
, id
));
973 /* The generated names should not clash with 'auto' or 'self' */
974 assert(!SESSION_IS_SELF(id
));
975 assert(!SESSION_IS_AUTO(id
));
977 /* If we are not watching utmp already, try again */
978 manager_reconnect_utmp(m
);
980 r
= manager_add_user_by_uid(m
, uid
, &user
);
984 r
= manager_add_session(m
, id
, &session
);
988 session_set_user(session
, user
);
989 r
= session_set_leader_consume(session
, TAKE_PIDREF(leader
));
993 session
->original_type
= session
->type
= t
;
994 session
->remote
= remote
;
995 session
->vtnr
= vtnr
;
998 /* Once the first session that is of a pinning class shows up we'll change the GC mode for the user
999 * from USER_GC_BY_ANY to USER_GC_BY_PIN, so that the user goes away once the last pinning session
1000 * goes away. Background: we want that user@.service – when started manually – remains around (which
1001 * itself is a non-pinning session), but gets stopped when the last pinning session goes away. */
1003 if (SESSION_CLASS_PIN_USER(c
))
1004 user
->gc_mode
= USER_GC_BY_PIN
;
1006 if (!isempty(tty
)) {
1007 session
->tty
= strdup(tty
);
1008 if (!session
->tty
) {
1013 session
->tty_validity
= TTY_FROM_PAM
;
1016 if (!isempty(display
)) {
1017 session
->display
= strdup(display
);
1018 if (!session
->display
) {
1024 if (!isempty(remote_user
)) {
1025 session
->remote_user
= strdup(remote_user
);
1026 if (!session
->remote_user
) {
1032 if (!isempty(remote_host
)) {
1033 session
->remote_host
= strdup(remote_host
);
1034 if (!session
->remote_host
) {
1040 if (!isempty(service
)) {
1041 session
->service
= strdup(service
);
1042 if (!session
->service
) {
1048 if (!isempty(desktop
)) {
1049 session
->desktop
= strdup(desktop
);
1050 if (!session
->desktop
) {
1057 r
= seat_attach_session(seat
, session
);
1062 r
= sd_bus_message_enter_container(message
, 'a', "(sv)");
1066 r
= session_start(session
, message
, error
);
1070 r
= sd_bus_message_exit_container(message
);
1074 session
->create_message
= sd_bus_message_ref(message
);
1076 /* Now call into session_send_create_reply(), which will reply to this method call for us. Or it
1077 * won't – in case we just spawned a session scope and/or user service manager, and they aren't ready
1078 * yet. We'll call session_create_reply() again once the session scope or the user service manager is
1079 * ready, where the function will check again if a reply is then ready to be sent, and then do so if
1080 * all is complete - or wait again. */
1081 r
= session_send_create_reply(session
, /* error= */ NULL
);
1089 session_add_to_gc_queue(session
);
1092 user_add_to_gc_queue(user
);
1097 static int method_create_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1098 const char *service
, *type
, *class, *cseat
, *tty
, *display
, *remote_user
, *remote_host
, *desktop
;
1107 assert_cc(sizeof(pid_t
) == sizeof(uint32_t));
1108 assert_cc(sizeof(uid_t
) == sizeof(uint32_t));
1110 r
= sd_bus_message_read(message
,
1128 return create_session(
1134 /* pidfd = */ -EBADF
,
1149 static int method_create_session_pidfd(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1150 const char *service
, *type
, *class, *cseat
, *tty
, *display
, *remote_user
, *remote_host
, *desktop
;
1151 int leaderfd
= -EBADF
;
1158 r
= sd_bus_message_read(message
,
1177 return create_session(
1198 static int method_release_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1199 Manager
*m
= ASSERT_PTR(userdata
);
1206 r
= sd_bus_message_read(message
, "s", &name
);
1210 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
1214 r
= session_release(session
);
1218 return sd_bus_reply_method_return(message
, NULL
);
1221 static int method_activate_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1222 Manager
*m
= ASSERT_PTR(userdata
);
1229 r
= sd_bus_message_read(message
, "s", &name
);
1233 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
1237 /* PolicyKit is done by bus_session_method_activate() */
1239 return bus_session_method_activate(message
, session
, error
);
1242 static int method_activate_session_on_seat(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1243 const char *session_name
, *seat_name
;
1244 Manager
*m
= ASSERT_PTR(userdata
);
1251 /* Same as ActivateSession() but refuses to work if the seat doesn't match */
1253 r
= sd_bus_message_read(message
, "ss", &session_name
, &seat_name
);
1257 r
= manager_get_session_from_creds(m
, message
, session_name
, error
, &session
);
1261 r
= manager_get_seat_from_creds(m
, message
, seat_name
, error
, &seat
);
1265 if (session
->seat
!= seat
)
1266 return sd_bus_error_setf(error
, BUS_ERROR_SESSION_NOT_ON_SEAT
,
1267 "Session %s not on seat %s", session_name
, seat_name
);
1269 r
= check_polkit_chvt(message
, m
, error
);
1273 return 1; /* Will call us back */
1275 r
= session_activate(session
);
1279 return sd_bus_reply_method_return(message
, NULL
);
1282 static int method_lock_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1283 Manager
*m
= ASSERT_PTR(userdata
);
1290 r
= sd_bus_message_read(message
, "s", &name
);
1294 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
1298 return bus_session_method_lock(message
, session
, error
);
1301 static int method_lock_sessions(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1302 Manager
*m
= ASSERT_PTR(userdata
);
1307 r
= bus_verify_polkit_async(
1309 "org.freedesktop.login1.lock-sessions",
1310 /* details= */ NULL
,
1311 &m
->polkit_registry
,
1316 return 1; /* Will call us back */
1318 r
= session_send_lock_all(m
, streq(sd_bus_message_get_member(message
), "LockSessions"));
1322 return sd_bus_reply_method_return(message
, NULL
);
1325 static int method_kill_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1327 Manager
*m
= ASSERT_PTR(userdata
);
1333 r
= sd_bus_message_read(message
, "s", &name
);
1337 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
1341 return bus_session_method_kill(message
, session
, error
);
1344 static int method_kill_user(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1345 Manager
*m
= ASSERT_PTR(userdata
);
1352 r
= sd_bus_message_read(message
, "u", &uid
);
1356 r
= manager_get_user_from_creds(m
, message
, uid
, error
, &user
);
1360 return bus_user_method_kill(message
, user
, error
);
1363 static int method_terminate_session(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1364 Manager
*m
= ASSERT_PTR(userdata
);
1371 r
= sd_bus_message_read(message
, "s", &name
);
1375 r
= manager_get_session_from_creds(m
, message
, name
, error
, &session
);
1379 return bus_session_method_terminate(message
, session
, error
);
1382 static int method_terminate_user(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1383 Manager
*m
= ASSERT_PTR(userdata
);
1390 r
= sd_bus_message_read(message
, "u", &uid
);
1394 r
= manager_get_user_from_creds(m
, message
, uid
, error
, &user
);
1398 return bus_user_method_terminate(message
, user
, error
);
1401 static int method_terminate_seat(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1402 Manager
*m
= ASSERT_PTR(userdata
);
1409 r
= sd_bus_message_read(message
, "s", &name
);
1413 r
= manager_get_seat_from_creds(m
, message
, name
, error
, &seat
);
1417 return bus_seat_method_terminate(message
, seat
, error
);
1420 static int method_set_user_linger(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1421 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
1422 _cleanup_free_
struct passwd
*pw
= NULL
;
1423 _cleanup_free_
char *cc
= NULL
;
1424 Manager
*m
= ASSERT_PTR(userdata
);
1425 int r
, b
, interactive
;
1427 uint32_t uid
, auth_uid
;
1431 r
= sd_bus_message_read(message
, "ubb", &uid
, &b
, &interactive
);
1435 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_EUID
|
1436 SD_BUS_CREDS_OWNER_UID
|SD_BUS_CREDS_AUGMENT
, &creds
);
1440 if (!uid_is_valid(uid
)) {
1441 /* Note that we get the owner UID of the session or user unit,
1442 * not the actual client UID here! */
1443 r
= sd_bus_creds_get_owner_uid(creds
, &uid
);
1448 /* owner_uid is racy, so for authorization we must use euid */
1449 r
= sd_bus_creds_get_euid(creds
, &auth_uid
);
1453 r
= getpwuid_malloc(uid
, &pw
);
1457 r
= bus_verify_polkit_async_full(
1459 uid
== auth_uid
? "org.freedesktop.login1.set-self-linger" :
1460 "org.freedesktop.login1.set-user-linger",
1461 /* details= */ NULL
,
1463 /* good_user= */ UID_INVALID
,
1464 &m
->polkit_registry
,
1469 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1471 (void) mkdir_p_label("/var/lib/systemd", 0755);
1472 r
= mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0, MKDIR_WARN_MODE
);
1476 cc
= cescape(pw
->pw_name
);
1480 path
= strjoina("/var/lib/systemd/linger/", cc
);
1488 if (manager_add_user_by_uid(m
, uid
, &u
) >= 0)
1495 if (r
< 0 && errno
!= ENOENT
)
1498 u
= hashmap_get(m
->users
, UID_TO_PTR(uid
));
1500 user_add_to_gc_queue(u
);
1503 return sd_bus_reply_method_return(message
, NULL
);
1506 static int trigger_device(Manager
*m
, sd_device
*parent
) {
1507 _cleanup_(sd_device_enumerator_unrefp
) sd_device_enumerator
*e
= NULL
;
1512 r
= sd_device_enumerator_new(&e
);
1516 r
= sd_device_enumerator_allow_uninitialized(e
);
1521 r
= sd_device_enumerator_add_match_parent(e
, parent
);
1526 FOREACH_DEVICE(e
, d
) {
1527 r
= sd_device_trigger(d
, SD_DEVICE_CHANGE
);
1529 log_device_debug_errno(d
, r
, "Failed to trigger device, ignoring: %m");
1535 static int attach_device(Manager
*m
, const char *seat
, const char *sysfs
, sd_bus_error
*error
) {
1536 _cleanup_(sd_device_unrefp
) sd_device
*d
= NULL
;
1537 _cleanup_free_
char *rule
= NULL
, *file
= NULL
;
1538 const char *id_for_seat
;
1545 r
= sd_device_new_from_syspath(&d
, sysfs
);
1547 return sd_bus_error_set_errnof(error
, r
, "Failed to open device '%s': %m", sysfs
);
1549 if (sd_device_has_current_tag(d
, "seat") <= 0)
1550 return sd_bus_error_set_errnof(error
, ENODEV
, "Device '%s' lacks 'seat' udev tag.", sysfs
);
1552 if (sd_device_get_property_value(d
, "ID_FOR_SEAT", &id_for_seat
) < 0)
1553 return sd_bus_error_set_errnof(error
, ENODEV
, "Device '%s' lacks 'ID_FOR_SEAT' udev property.", sysfs
);
1555 if (asprintf(&file
, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat
) < 0)
1558 if (asprintf(&rule
, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat
, seat
) < 0)
1561 (void) mkdir_p_label("/etc/udev/rules.d", 0755);
1562 r
= write_string_file_atomic_label(file
, rule
);
1566 return trigger_device(m
, d
);
1569 static int flush_devices(Manager
*m
) {
1570 _cleanup_closedir_
DIR *d
= NULL
;
1574 d
= opendir("/etc/udev/rules.d");
1576 if (errno
!= ENOENT
)
1577 log_warning_errno(errno
, "Failed to open /etc/udev/rules.d: %m");
1579 FOREACH_DIRENT_ALL(de
, d
, break) {
1580 if (!dirent_is_file(de
))
1583 if (!startswith(de
->d_name
, "72-seat-"))
1586 if (!endswith(de
->d_name
, ".rules"))
1589 if (unlinkat(dirfd(d
), de
->d_name
, 0) < 0)
1590 log_warning_errno(errno
, "Failed to unlink %s: %m", de
->d_name
);
1593 return trigger_device(m
, NULL
);
1596 static int method_attach_device(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1597 const char *sysfs
, *seat
;
1598 Manager
*m
= ASSERT_PTR(userdata
);
1603 r
= sd_bus_message_read(message
, "ssb", &seat
, &sysfs
, &interactive
);
1607 if (!path_is_normalized(sysfs
))
1608 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Path %s is not normalized", sysfs
);
1609 if (!path_startswith(sysfs
, "/sys"))
1610 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Path %s is not in /sys", sysfs
);
1612 if (SEAT_IS_SELF(seat
) || SEAT_IS_AUTO(seat
)) {
1615 r
= manager_get_seat_from_creds(m
, message
, seat
, error
, &found
);
1621 } else if (!seat_name_is_valid(seat
)) /* Note that a seat does not have to exist yet for this operation to succeed */
1622 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Seat name %s is not valid", seat
);
1624 r
= bus_verify_polkit_async_full(
1626 "org.freedesktop.login1.attach-device",
1627 /* details= */ NULL
,
1629 /* good_user= */ UID_INVALID
,
1630 &m
->polkit_registry
,
1635 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1637 r
= attach_device(m
, seat
, sysfs
, error
);
1641 return sd_bus_reply_method_return(message
, NULL
);
1644 static int method_flush_devices(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
1645 Manager
*m
= ASSERT_PTR(userdata
);
1650 r
= sd_bus_message_read(message
, "b", &interactive
);
1654 r
= bus_verify_polkit_async_full(
1656 "org.freedesktop.login1.flush-devices",
1657 /* details= */ NULL
,
1659 /* good_user= */ UID_INVALID
,
1660 &m
->polkit_registry
,
1665 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1667 r
= flush_devices(m
);
1671 return sd_bus_reply_method_return(message
, NULL
);
1674 static int have_multiple_sessions(
1682 /* Check for other users' sessions. Greeter sessions do not
1683 * count, and non-login sessions do not count either. */
1684 HASHMAP_FOREACH(session
, m
->sessions
)
1685 if (session
->class == SESSION_USER
&&
1686 session
->user
->user_record
->uid
!= uid
)
1692 static int bus_manager_log_shutdown(
1694 const HandleActionData
*a
) {
1698 const char *message
= a
->message
?: "System is shutting down";
1699 const char *log_verb
= a
->log_verb
? strjoina("SHUTDOWN=", a
->log_verb
) : NULL
;
1701 return log_struct(LOG_NOTICE
,
1702 "MESSAGE_ID=%s", a
->message_id
?: SD_MESSAGE_SHUTDOWN_STR
,
1703 LOG_MESSAGE("%s%s%s%s.",
1705 m
->wall_message
? " (" : "",
1706 strempty(m
->wall_message
),
1707 m
->wall_message
? ")" : ""),
1711 static int lid_switch_ignore_handler(sd_event_source
*e
, uint64_t usec
, void *userdata
) {
1712 Manager
*m
= ASSERT_PTR(userdata
);
1716 m
->lid_switch_ignore_event_source
= sd_event_source_unref(m
->lid_switch_ignore_event_source
);
1720 int manager_set_lid_switch_ignore(Manager
*m
, usec_t until
) {
1725 if (until
<= now(CLOCK_MONOTONIC
))
1728 /* We want to ignore the lid switch for a while after each
1729 * suspend, and after boot-up. Hence let's install a timer for
1730 * this. As long as the event source exists we ignore the lid
1733 if (m
->lid_switch_ignore_event_source
) {
1736 r
= sd_event_source_get_time(m
->lid_switch_ignore_event_source
, &u
);
1743 r
= sd_event_source_set_time(m
->lid_switch_ignore_event_source
, until
);
1745 r
= sd_event_add_time(
1747 &m
->lid_switch_ignore_event_source
,
1750 lid_switch_ignore_handler
, m
);
1755 static int send_prepare_for(Manager
*m
, const HandleActionData
*a
, bool _active
) {
1756 int k
= 0, r
, active
= _active
;
1760 assert(IN_SET(a
->inhibit_what
, INHIBIT_SHUTDOWN
, INHIBIT_SLEEP
));
1762 /* We need to send both old and new signal for backward compatibility. The newer one allows clients
1763 * to know which type of reboot is going to happen, as they might be doing different actions (e.g.:
1764 * on soft-reboot), and it is sent first, so that clients know that if they receive the old one
1765 * first then they don't have to wait for the new one, as it means it's not supported. So, do not
1766 * change the order here, as it is an API. */
1767 if (a
->inhibit_what
== INHIBIT_SHUTDOWN
) {
1768 k
= sd_bus_emit_signal(m
->bus
,
1769 "/org/freedesktop/login1",
1770 "org.freedesktop.login1.Manager",
1771 "PrepareForShutdownWithMetadata",
1777 handle_action_to_string(a
->handle
));
1779 log_debug_errno(k
, "Failed to emit PrepareForShutdownWithMetadata(): %m");
1782 r
= sd_bus_emit_signal(m
->bus
,
1783 "/org/freedesktop/login1",
1784 "org.freedesktop.login1.Manager",
1785 a
->inhibit_what
== INHIBIT_SHUTDOWN
? "PrepareForShutdown" : "PrepareForSleep",
1789 log_debug_errno(r
, "Failed to emit PrepareForShutdown(): %m");
1791 return RET_GATHER(k
, r
);
1794 static int execute_shutdown_or_sleep(
1796 const HandleActionData
*a
,
1797 sd_bus_error
*error
) {
1799 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
1804 assert(!m
->action_job
);
1807 if (a
->inhibit_what
== INHIBIT_SHUTDOWN
)
1808 bus_manager_log_shutdown(m
, a
);
1810 r
= bus_call_method(
1816 "ss", a
->target
, "replace-irreversibly");
1820 r
= sd_bus_message_read(reply
, "o", &p
);
1824 m
->action_job
= strdup(p
);
1825 if (!m
->action_job
) {
1830 m
->delayed_action
= a
;
1832 /* Make sure the lid switch is ignored for a while */
1833 manager_set_lid_switch_ignore(m
, usec_add(now(CLOCK_MONOTONIC
), m
->holdoff_timeout_usec
));
1838 /* Tell people that they now may take a lock again */
1839 (void) send_prepare_for(m
, a
, false);
1844 int manager_dispatch_delayed(Manager
*manager
, bool timeout
) {
1845 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1846 Inhibitor
*offending
= NULL
;
1851 if (!manager
->delayed_action
|| manager
->action_job
)
1854 if (manager_is_inhibited(manager
, manager
->delayed_action
->inhibit_what
, INHIBIT_DELAY
, NULL
, false, false, 0, &offending
)) {
1855 _cleanup_free_
char *comm
= NULL
, *u
= NULL
;
1860 (void) pidref_get_comm(&offending
->pid
, &comm
);
1861 u
= uid_to_name(offending
->uid
);
1863 log_notice("Delay lock is active (UID "UID_FMT
"/%s, PID "PID_FMT
"/%s) but inhibitor timeout is reached.",
1864 offending
->uid
, strna(u
),
1865 offending
->pid
.pid
, strna(comm
));
1868 /* Actually do the operation */
1869 r
= execute_shutdown_or_sleep(manager
, manager
->delayed_action
, &error
);
1871 log_warning("Error during inhibitor-delayed operation (already returned success to client): %s",
1872 bus_error_message(&error
, r
));
1874 manager
->delayed_action
= NULL
;
1877 return 1; /* We did some work. */
1880 static int manager_inhibit_timeout_handler(
1885 Manager
*manager
= ASSERT_PTR(userdata
);
1887 assert(manager
->inhibit_timeout_source
== s
);
1889 return manager_dispatch_delayed(manager
, true);
1892 static int delay_shutdown_or_sleep(
1894 const HandleActionData
*a
) {
1901 if (m
->inhibit_timeout_source
) {
1902 r
= sd_event_source_set_time_relative(m
->inhibit_timeout_source
, m
->inhibit_delay_max
);
1904 return log_error_errno(r
, "sd_event_source_set_time_relative() failed: %m");
1906 r
= sd_event_source_set_enabled(m
->inhibit_timeout_source
, SD_EVENT_ONESHOT
);
1908 return log_error_errno(r
, "sd_event_source_set_enabled() failed: %m");
1910 r
= sd_event_add_time_relative(
1912 &m
->inhibit_timeout_source
,
1913 CLOCK_MONOTONIC
, m
->inhibit_delay_max
, 0,
1914 manager_inhibit_timeout_handler
, m
);
1919 m
->delayed_action
= a
;
1924 int bus_manager_shutdown_or_sleep_now_or_later(
1926 const HandleActionData
*a
,
1927 sd_bus_error
*error
) {
1929 _cleanup_free_
char *load_state
= NULL
;
1935 assert(!m
->action_job
);
1937 r
= unit_load_state(m
->bus
, a
->target
, &load_state
);
1941 if (!streq(load_state
, "loaded"))
1942 return log_notice_errno(SYNTHETIC_ERRNO(EACCES
),
1943 "Unit %s is %s, refusing operation.",
1944 a
->target
, load_state
);
1946 /* Tell everybody to prepare for shutdown/sleep */
1947 (void) send_prepare_for(m
, a
, true);
1950 m
->inhibit_delay_max
> 0 &&
1951 manager_is_inhibited(m
, a
->inhibit_what
, INHIBIT_DELAY
, NULL
, false, false, 0, NULL
);
1954 /* Shutdown is delayed, keep in mind what we
1955 * want to do, and start a timeout */
1956 r
= delay_shutdown_or_sleep(m
, a
);
1958 /* Shutdown is not delayed, execute it
1960 r
= execute_shutdown_or_sleep(m
, a
, error
);
1965 static int verify_shutdown_creds(
1967 sd_bus_message
*message
,
1968 const HandleActionData
*a
,
1970 sd_bus_error
*error
) {
1972 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
1973 bool multiple_sessions
, blocked
, interactive
;
1981 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_EUID
, &creds
);
1985 r
= sd_bus_creds_get_euid(creds
, &uid
);
1989 r
= have_multiple_sessions(m
, uid
);
1993 multiple_sessions
= r
> 0;
1994 blocked
= manager_is_inhibited(m
, a
->inhibit_what
, INHIBIT_BLOCK
, NULL
, false, true, uid
, NULL
);
1995 interactive
= flags
& SD_LOGIND_INTERACTIVE
;
1997 if (multiple_sessions
) {
1998 r
= bus_verify_polkit_async_full(
2000 a
->polkit_action_multiple_sessions
,
2001 /* details= */ NULL
,
2003 /* good_user= */ UID_INVALID
,
2004 &m
->polkit_registry
,
2009 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2013 /* We don't check polkit for root here, because you can't be more privileged than root */
2014 if (uid
== 0 && (flags
& SD_LOGIND_ROOT_CHECK_INHIBITORS
))
2015 return sd_bus_error_setf(error
, SD_BUS_ERROR_ACCESS_DENIED
,
2016 "Access denied to root due to active block inhibitor");
2018 r
= bus_verify_polkit_async_full(
2020 a
->polkit_action_ignore_inhibit
,
2021 /* details= */ NULL
,
2023 /* good_user= */ UID_INVALID
,
2024 &m
->polkit_registry
,
2029 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2032 if (!multiple_sessions
&& !blocked
) {
2033 r
= bus_verify_polkit_async_full(
2036 /* details= */ NULL
,
2038 /* good_user= */ UID_INVALID
,
2039 &m
->polkit_registry
,
2044 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2050 static int setup_wall_message_timer(Manager
*m
, sd_bus_message
* message
) {
2051 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
2054 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_AUGMENT
|SD_BUS_CREDS_TTY
|SD_BUS_CREDS_UID
, &creds
);
2056 const char *tty
= NULL
;
2058 (void) sd_bus_creds_get_uid(creds
, &m
->scheduled_shutdown_uid
);
2059 (void) sd_bus_creds_get_tty(creds
, &tty
);
2061 r
= free_and_strdup(&m
->scheduled_shutdown_tty
, tty
);
2066 r
= manager_setup_wall_message_timer(m
);
2073 static int method_do_shutdown_or_sleep(
2075 sd_bus_message
*message
,
2076 HandleAction action
,
2078 sd_bus_error
*error
) {
2085 assert(HANDLE_ACTION_IS_SHUTDOWN(action
) || HANDLE_ACTION_IS_SLEEP(action
));
2088 /* New style method: with flags parameter (and interactive bool in the bus message header) */
2089 r
= sd_bus_message_read(message
, "t", &flags
);
2092 if ((flags
& ~SD_LOGIND_SHUTDOWN_AND_SLEEP_FLAGS_PUBLIC
) != 0)
2093 return sd_bus_error_set(error
, SD_BUS_ERROR_INVALID_ARGS
,
2094 "Invalid flags parameter");
2096 if (FLAGS_SET(flags
, (SD_LOGIND_REBOOT_VIA_KEXEC
|SD_LOGIND_SOFT_REBOOT
)))
2097 return sd_bus_error_set(error
, SD_BUS_ERROR_INVALID_ARGS
,
2098 "Both reboot via kexec and soft reboot selected, which is not supported");
2100 if (action
!= HANDLE_REBOOT
) {
2101 if (flags
& SD_LOGIND_REBOOT_VIA_KEXEC
)
2102 return sd_bus_error_set(error
, SD_BUS_ERROR_INVALID_ARGS
,
2103 "Reboot via kexec option is only applicable with reboot operations");
2104 if ((flags
& SD_LOGIND_SOFT_REBOOT
) || (flags
& SD_LOGIND_SOFT_REBOOT_IF_NEXTROOT_SET_UP
))
2105 return sd_bus_error_set(error
, SD_BUS_ERROR_INVALID_ARGS
,
2106 "Soft reboot option is only applicable with reboot operations");
2109 /* Old style method: no flags parameter, but interactive bool passed as boolean in
2110 * payload. Let's convert this argument to the new-style flags parameter for our internal
2114 r
= sd_bus_message_read(message
, "b", &interactive
);
2118 flags
= interactive
? SD_LOGIND_INTERACTIVE
: 0;
2121 const HandleActionData
*a
= NULL
;
2123 if ((flags
& SD_LOGIND_SOFT_REBOOT
) ||
2124 ((flags
& SD_LOGIND_SOFT_REBOOT_IF_NEXTROOT_SET_UP
) && path_is_os_tree("/run/nextroot") > 0))
2125 a
= handle_action_lookup(HANDLE_SOFT_REBOOT
);
2126 else if ((flags
& SD_LOGIND_REBOOT_VIA_KEXEC
) && kexec_loaded())
2127 a
= handle_action_lookup(HANDLE_KEXEC
);
2129 if (action
== HANDLE_SLEEP
) {
2130 HandleAction selected
;
2132 selected
= handle_action_sleep_select(m
);
2134 return sd_bus_error_set(error
, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED
,
2135 "None of the configured sleep operations are supported");
2137 assert_se(a
= handle_action_lookup(selected
));
2139 } else if (HANDLE_ACTION_IS_SLEEP(action
)) {
2140 SleepSupport support
;
2142 assert_se(a
= handle_action_lookup(action
));
2144 assert(a
->sleep_operation
>= 0);
2145 assert(a
->sleep_operation
< _SLEEP_OPERATION_MAX
);
2147 r
= sleep_supported_full(a
->sleep_operation
, &support
);
2153 case SLEEP_DISABLED
:
2154 return sd_bus_error_setf(error
, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED
,
2155 "Sleep verb '%s' is disabled by config",
2156 sleep_operation_to_string(a
->sleep_operation
));
2158 case SLEEP_NOT_CONFIGURED
:
2159 case SLEEP_STATE_OR_MODE_NOT_SUPPORTED
:
2160 case SLEEP_ALARM_NOT_SUPPORTED
:
2161 return sd_bus_error_setf(error
, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED
,
2162 "Sleep verb '%s' is not configured or configuration is not supported by kernel",
2163 sleep_operation_to_string(a
->sleep_operation
));
2165 case SLEEP_RESUME_NOT_SUPPORTED
:
2166 return sd_bus_error_set(error
, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED
,
2167 "Not running on EFI and resume= is not set. No available method to resume from hibernation");
2169 case SLEEP_NOT_ENOUGH_SWAP_SPACE
:
2170 return sd_bus_error_set(error
, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED
,
2171 "Not enough suitable swap space for hibernation available on compatible block devices and file systems");
2174 assert_not_reached();
2178 assert_se(a
= handle_action_lookup(action
));
2180 r
= verify_shutdown_creds(m
, message
, a
, flags
, error
);
2184 if (m
->delayed_action
)
2185 return sd_bus_error_setf(error
, BUS_ERROR_OPERATION_IN_PROGRESS
,
2186 "Action %s already in progress, refusing requested %s operation.",
2187 handle_action_to_string(m
->delayed_action
->handle
),
2188 handle_action_to_string(a
->handle
));
2190 /* reset case we're shorting a scheduled shutdown */
2191 m
->unlink_nologin
= false;
2192 reset_scheduled_shutdown(m
);
2194 m
->scheduled_shutdown_timeout
= 0;
2195 m
->scheduled_shutdown_action
= action
;
2197 (void) setup_wall_message_timer(m
, message
);
2199 r
= bus_manager_shutdown_or_sleep_now_or_later(m
, a
, error
);
2203 return sd_bus_reply_method_return(message
, NULL
);
2206 static int method_poweroff(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2207 Manager
*m
= userdata
;
2209 return method_do_shutdown_or_sleep(
2212 sd_bus_message_is_method_call(message
, NULL
, "PowerOffWithFlags"),
2216 static int method_reboot(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2217 Manager
*m
= userdata
;
2219 return method_do_shutdown_or_sleep(
2222 sd_bus_message_is_method_call(message
, NULL
, "RebootWithFlags"),
2226 static int method_halt(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2227 Manager
*m
= userdata
;
2229 return method_do_shutdown_or_sleep(
2232 sd_bus_message_is_method_call(message
, NULL
, "HaltWithFlags"),
2236 static int method_suspend(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2237 Manager
*m
= userdata
;
2239 return method_do_shutdown_or_sleep(
2242 sd_bus_message_is_method_call(message
, NULL
, "SuspendWithFlags"),
2246 static int method_hibernate(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2247 Manager
*m
= userdata
;
2249 return method_do_shutdown_or_sleep(
2252 sd_bus_message_is_method_call(message
, NULL
, "HibernateWithFlags"),
2256 static int method_hybrid_sleep(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2257 Manager
*m
= userdata
;
2259 return method_do_shutdown_or_sleep(
2261 HANDLE_HYBRID_SLEEP
,
2262 sd_bus_message_is_method_call(message
, NULL
, "HybridSleepWithFlags"),
2266 static int method_suspend_then_hibernate(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2267 Manager
*m
= userdata
;
2269 return method_do_shutdown_or_sleep(
2271 HANDLE_SUSPEND_THEN_HIBERNATE
,
2272 sd_bus_message_is_method_call(message
, NULL
, "SuspendThenHibernateWithFlags"),
2276 static int method_sleep(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2277 Manager
*m
= userdata
;
2279 return method_do_shutdown_or_sleep(
2282 /* with_flags = */ true,
2286 static int nologin_timeout_handler(
2291 Manager
*m
= userdata
;
2293 log_info("Creating /run/nologin, blocking further logins...");
2296 create_shutdown_run_nologin_or_warn() >= 0;
2301 static usec_t
nologin_timeout_usec(usec_t elapse
) {
2302 /* Issue /run/nologin five minutes before shutdown */
2303 return LESS_BY(elapse
, 5 * USEC_PER_MINUTE
);
2306 void manager_load_scheduled_shutdown(Manager
*m
) {
2307 _cleanup_fclose_
FILE *f
= NULL
;
2308 _cleanup_free_
char *usec
= NULL
,
2311 *wall_message
= NULL
,
2318 r
= parse_env_file(f
, SHUTDOWN_SCHEDULE_FILE
,
2320 "WARN_WALL", &warn_wall
,
2322 "WALL_MESSAGE", &wall_message
,
2326 /* reset will delete the file */
2327 reset_scheduled_shutdown(m
);
2332 return (void) log_debug_errno(r
, "Failed to parse " SHUTDOWN_SCHEDULE_FILE
": %m");
2334 HandleAction handle
= handle_action_from_string(mode
);
2336 return (void) log_debug_errno(SYNTHETIC_ERRNO(EINVAL
), "Failed to parse scheduled shutdown type: %s", mode
);
2339 return (void) log_debug_errno(SYNTHETIC_ERRNO(EINVAL
), "USEC is required");
2340 if (deserialize_usec(usec
, &m
->scheduled_shutdown_timeout
) < 0)
2343 /* assign parsed type only after we know usec is also valid */
2344 m
->scheduled_shutdown_action
= handle
;
2347 r
= parse_boolean(warn_wall
);
2349 log_debug_errno(r
, "Failed to parse enabling wall messages");
2351 m
->enable_wall_messages
= r
;
2355 _cleanup_free_
char *unescaped
= NULL
;
2356 r
= cunescape(wall_message
, 0, &unescaped
);
2358 log_debug_errno(r
, "Failed to parse wall message: %s", wall_message
);
2360 free_and_replace(m
->wall_message
, unescaped
);
2364 r
= parse_uid(uid
, &m
->scheduled_shutdown_uid
);
2366 log_debug_errno(r
, "Failed to parse wall uid: %s", uid
);
2369 free_and_replace(m
->scheduled_shutdown_tty
, tty
);
2371 r
= manager_setup_shutdown_timers(m
);
2373 return reset_scheduled_shutdown(m
);
2375 (void) manager_setup_wall_message_timer(m
);
2376 (void) update_schedule_file(m
);
2381 static int update_schedule_file(Manager
*m
) {
2382 _cleanup_(unlink_and_freep
) char *temp_path
= NULL
;
2383 _cleanup_fclose_
FILE *f
= NULL
;
2387 assert(handle_action_valid(m
->scheduled_shutdown_action
));
2389 r
= mkdir_parents_label(SHUTDOWN_SCHEDULE_FILE
, 0755);
2391 return log_error_errno(r
, "Failed to create shutdown subdirectory: %m");
2393 r
= fopen_temporary(SHUTDOWN_SCHEDULE_FILE
, &f
, &temp_path
);
2395 return log_error_errno(r
, "Failed to save information about scheduled shutdowns: %m");
2397 (void) fchmod(fileno(f
), 0644);
2399 serialize_usec(f
, "USEC", m
->scheduled_shutdown_timeout
);
2400 serialize_item_format(f
, "WARN_WALL", "%s", one_zero(m
->enable_wall_messages
));
2401 serialize_item_format(f
, "MODE", "%s", handle_action_to_string(m
->scheduled_shutdown_action
));
2402 serialize_item_format(f
, "UID", UID_FMT
, m
->scheduled_shutdown_uid
);
2404 if (m
->scheduled_shutdown_tty
)
2405 serialize_item_format(f
, "TTY", "%s", m
->scheduled_shutdown_tty
);
2407 if (!isempty(m
->wall_message
)) {
2408 r
= serialize_item_escaped(f
, "WALL_MESSAGE", m
->wall_message
);
2413 r
= fflush_and_check(f
);
2417 if (rename(temp_path
, SHUTDOWN_SCHEDULE_FILE
) < 0) {
2422 temp_path
= mfree(temp_path
);
2426 (void) unlink(SHUTDOWN_SCHEDULE_FILE
);
2428 return log_error_errno(r
, "Failed to write information about scheduled shutdowns: %m");
2431 static void reset_scheduled_shutdown(Manager
*m
) {
2434 m
->scheduled_shutdown_timeout_source
= sd_event_source_unref(m
->scheduled_shutdown_timeout_source
);
2435 m
->wall_message_timeout_source
= sd_event_source_unref(m
->wall_message_timeout_source
);
2436 m
->nologin_timeout_source
= sd_event_source_unref(m
->nologin_timeout_source
);
2438 m
->scheduled_shutdown_action
= _HANDLE_ACTION_INVALID
;
2439 m
->scheduled_shutdown_timeout
= USEC_INFINITY
;
2440 m
->scheduled_shutdown_uid
= UID_INVALID
;
2441 m
->scheduled_shutdown_tty
= mfree(m
->scheduled_shutdown_tty
);
2442 m
->shutdown_dry_run
= false;
2444 if (m
->unlink_nologin
) {
2445 (void) unlink_or_warn("/run/nologin");
2446 m
->unlink_nologin
= false;
2449 (void) unlink(SHUTDOWN_SCHEDULE_FILE
);
2452 static int manager_scheduled_shutdown_handler(
2457 Manager
*m
= ASSERT_PTR(userdata
);
2458 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
2459 const HandleActionData
*a
;
2462 assert_se(a
= handle_action_lookup(m
->scheduled_shutdown_action
));
2464 /* Don't allow multiple jobs being executed at the same time */
2465 if (m
->delayed_action
) {
2466 r
= log_error_errno(SYNTHETIC_ERRNO(EALREADY
),
2467 "Scheduled shutdown to %s failed: shutdown or sleep operation already in progress.",
2472 if (m
->shutdown_dry_run
) {
2473 /* We do not process delay inhibitors here. Otherwise, we
2474 * would have to be considered "in progress" (like the check
2475 * above) for some seconds after our admin has seen the final
2478 bus_manager_log_shutdown(m
, a
);
2479 log_info("Running in dry run, suppressing action.");
2480 reset_scheduled_shutdown(m
);
2485 r
= bus_manager_shutdown_or_sleep_now_or_later(m
, a
, &error
);
2487 log_error_errno(r
, "Scheduled shutdown to %s failed: %m", a
->target
);
2494 reset_scheduled_shutdown(m
);
2498 static int method_schedule_shutdown(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2499 Manager
*m
= ASSERT_PTR(userdata
);
2500 HandleAction handle
;
2501 const HandleActionData
*a
;
2505 bool dry_run
= false;
2509 r
= sd_bus_message_read(message
, "st", &type
, &elapse
);
2513 if (startswith(type
, "dry-")) {
2518 handle
= handle_action_from_string(type
);
2519 if (!HANDLE_ACTION_IS_SHUTDOWN(handle
))
2520 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Unsupported shutdown type: %s", type
);
2522 assert_se(a
= handle_action_lookup(handle
));
2523 assert(a
->polkit_action
);
2525 r
= verify_shutdown_creds(m
, message
, a
, 0, error
);
2529 m
->scheduled_shutdown_action
= handle
;
2530 m
->shutdown_dry_run
= dry_run
;
2531 m
->scheduled_shutdown_timeout
= elapse
;
2533 r
= manager_setup_shutdown_timers(m
);
2537 r
= setup_wall_message_timer(m
, message
);
2539 r
= update_schedule_file(m
);
2542 reset_scheduled_shutdown(m
);
2546 return sd_bus_reply_method_return(message
, NULL
);
2549 static int manager_setup_shutdown_timers(Manager
* m
) {
2552 r
= event_reset_time(m
->event
, &m
->scheduled_shutdown_timeout_source
,
2554 m
->scheduled_shutdown_timeout
, 0,
2555 manager_scheduled_shutdown_handler
, m
,
2556 0, "scheduled-shutdown-timeout", true);
2560 r
= event_reset_time(m
->event
, &m
->nologin_timeout_source
,
2562 nologin_timeout_usec(m
->scheduled_shutdown_timeout
), 0,
2563 nologin_timeout_handler
, m
,
2564 0, "nologin-timeout", true);
2571 m
->scheduled_shutdown_timeout_source
= sd_event_source_unref(m
->scheduled_shutdown_timeout_source
);
2572 m
->nologin_timeout_source
= sd_event_source_unref(m
->nologin_timeout_source
);
2577 static int method_cancel_scheduled_shutdown(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2578 Manager
*m
= ASSERT_PTR(userdata
);
2579 const HandleActionData
*a
;
2585 cancelled
= handle_action_valid(m
->scheduled_shutdown_action
) && m
->scheduled_shutdown_action
!= HANDLE_IGNORE
;
2587 return sd_bus_reply_method_return(message
, "b", false);
2589 assert_se(a
= handle_action_lookup(m
->scheduled_shutdown_action
));
2590 if (!a
->polkit_action
)
2591 return sd_bus_error_set(error
, SD_BUS_ERROR_AUTH_FAILED
, "Unsupported shutdown type");
2593 r
= bus_verify_polkit_async(
2596 /* details= */ NULL
,
2597 &m
->polkit_registry
,
2602 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2604 if (m
->enable_wall_messages
) {
2605 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
2606 const char *tty
= NULL
;
2609 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_AUGMENT
|SD_BUS_CREDS_TTY
|SD_BUS_CREDS_UID
, &creds
);
2611 (void) sd_bus_creds_get_uid(creds
, &uid
);
2612 (void) sd_bus_creds_get_tty(creds
, &tty
);
2615 _cleanup_free_
char *username
= uid_to_name(uid
);
2617 log_struct(LOG_INFO
,
2618 LOG_MESSAGE("System shutdown has been cancelled"),
2619 "ACTION=%s", handle_action_to_string(a
->handle
),
2620 "MESSAGE_ID=" SD_MESSAGE_SHUTDOWN_CANCELED_STR
,
2621 username
? "OPERATOR=%s" : NULL
, username
);
2623 (void) wall("System shutdown has been cancelled",
2624 username
, tty
, logind_wall_tty_filter
, m
);
2627 reset_scheduled_shutdown(m
);
2629 return sd_bus_reply_method_return(message
, "b", true);
2632 static int method_can_shutdown_or_sleep(
2634 sd_bus_message
*message
,
2635 HandleAction action
,
2636 sd_bus_error
*error
) {
2638 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
2639 bool multiple_sessions
, challenge
, blocked
, check_unit_state
= true;
2640 const HandleActionData
*a
;
2641 const char *result
= NULL
;
2647 assert(HANDLE_ACTION_IS_SHUTDOWN(action
) || HANDLE_ACTION_IS_SLEEP(action
));
2649 if (action
== HANDLE_SLEEP
) {
2650 HandleAction selected
;
2652 selected
= handle_action_sleep_select(m
);
2654 return sd_bus_reply_method_return(message
, "s", "na");
2656 check_unit_state
= false; /* Already handled by handle_action_sleep_select */
2658 assert_se(a
= handle_action_lookup(selected
));
2660 } else if (HANDLE_ACTION_IS_SLEEP(action
)) {
2661 SleepSupport support
;
2663 assert_se(a
= handle_action_lookup(action
));
2665 assert(a
->sleep_operation
>= 0);
2666 assert(a
->sleep_operation
< _SLEEP_OPERATION_MAX
);
2668 r
= sleep_supported_full(a
->sleep_operation
, &support
);
2672 return sd_bus_reply_method_return(message
, "s", support
== SLEEP_DISABLED
? "no" : "na");
2674 assert_se(a
= handle_action_lookup(action
));
2676 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_EUID
, &creds
);
2680 r
= sd_bus_creds_get_euid(creds
, &uid
);
2684 r
= have_multiple_sessions(m
, uid
);
2688 multiple_sessions
= r
> 0;
2689 blocked
= manager_is_inhibited(m
, a
->inhibit_what
, INHIBIT_BLOCK
, NULL
, false, true, uid
, NULL
);
2691 if (check_unit_state
&& a
->target
) {
2692 _cleanup_free_
char *load_state
= NULL
;
2694 r
= unit_load_state(m
->bus
, a
->target
, &load_state
);
2698 if (!streq(load_state
, "loaded")) {
2704 if (multiple_sessions
) {
2705 r
= bus_test_polkit(
2707 a
->polkit_action_multiple_sessions
,
2708 /* details= */ NULL
,
2709 /* good_user= */ UID_INVALID
,
2718 result
= "challenge";
2724 r
= bus_test_polkit(
2726 a
->polkit_action_ignore_inhibit
,
2727 /* details= */ NULL
,
2728 /* good_user= */ UID_INVALID
,
2737 } else if (challenge
) {
2738 if (!result
|| streq(result
, "yes"))
2739 result
= "challenge";
2744 if (!multiple_sessions
&& !blocked
) {
2745 /* If neither inhibit nor multiple sessions
2746 * apply then just check the normal policy */
2748 r
= bus_test_polkit(
2751 /* details= */ NULL
,
2752 /* good_user= */ UID_INVALID
,
2761 result
= "challenge";
2767 return sd_bus_reply_method_return(message
, "s", result
);
2770 static int method_can_poweroff(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2771 Manager
*m
= userdata
;
2773 return method_can_shutdown_or_sleep(m
, message
, HANDLE_POWEROFF
, error
);
2776 static int method_can_reboot(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2777 Manager
*m
= userdata
;
2779 return method_can_shutdown_or_sleep(m
, message
, HANDLE_REBOOT
, error
);
2782 static int method_can_halt(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2783 Manager
*m
= userdata
;
2785 return method_can_shutdown_or_sleep(m
, message
, HANDLE_HALT
, error
);
2788 static int method_can_suspend(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2789 Manager
*m
= userdata
;
2791 return method_can_shutdown_or_sleep(m
, message
, HANDLE_SUSPEND
, error
);
2794 static int method_can_hibernate(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2795 Manager
*m
= userdata
;
2797 return method_can_shutdown_or_sleep(m
, message
, HANDLE_HIBERNATE
, error
);
2800 static int method_can_hybrid_sleep(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2801 Manager
*m
= userdata
;
2803 return method_can_shutdown_or_sleep(m
, message
, HANDLE_HYBRID_SLEEP
, error
);
2806 static int method_can_suspend_then_hibernate(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2807 Manager
*m
= userdata
;
2809 return method_can_shutdown_or_sleep(m
, message
, HANDLE_SUSPEND_THEN_HIBERNATE
, error
);
2812 static int method_can_sleep(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
2813 Manager
*m
= userdata
;
2815 return method_can_shutdown_or_sleep(m
, message
, HANDLE_SLEEP
, error
);
2818 static int property_get_reboot_parameter(
2821 const char *interface
,
2822 const char *property
,
2823 sd_bus_message
*reply
,
2825 sd_bus_error
*error
) {
2826 _cleanup_free_
char *parameter
= NULL
;
2833 r
= read_reboot_parameter(¶meter
);
2837 return sd_bus_message_append(reply
, "s", parameter
);
2840 static int method_set_reboot_parameter(
2841 sd_bus_message
*message
,
2843 sd_bus_error
*error
) {
2845 Manager
*m
= ASSERT_PTR(userdata
);
2851 r
= sd_bus_message_read(message
, "s", &arg
);
2855 r
= detect_container();
2859 return sd_bus_error_setf(error
, SD_BUS_ERROR_NOT_SUPPORTED
,
2860 "Reboot parameter not supported in containers, refusing.");
2862 r
= bus_verify_polkit_async(
2864 "org.freedesktop.login1.set-reboot-parameter",
2865 /* details= */ NULL
,
2866 &m
->polkit_registry
,
2871 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2873 r
= update_reboot_parameter_and_warn(arg
, false);
2877 return sd_bus_reply_method_return(message
, NULL
);
2880 static int method_can_reboot_parameter(
2881 sd_bus_message
*message
,
2883 sd_bus_error
*error
) {
2885 _unused_ Manager
*m
= ASSERT_PTR(userdata
);
2890 r
= detect_container();
2893 if (r
> 0) /* Inside containers, specifying a reboot parameter, doesn't make much sense */
2894 return sd_bus_reply_method_return(message
, "s", "na");
2896 return return_test_polkit(
2898 "org.freedesktop.login1.set-reboot-parameter",
2899 /* details= */ NULL
,
2900 /* good_user= */ UID_INVALID
,
2904 static int property_get_reboot_to_firmware_setup(
2907 const char *interface
,
2908 const char *property
,
2909 sd_bus_message
*reply
,
2911 sd_bus_error
*error
) {
2918 r
= getenv_bool("SYSTEMD_REBOOT_TO_FIRMWARE_SETUP");
2920 /* EFI case: let's see what is currently configured in the EFI variables */
2921 r
= efi_get_reboot_to_firmware();
2922 if (r
< 0 && r
!= -EOPNOTSUPP
)
2923 log_warning_errno(r
, "Failed to determine reboot-to-firmware-setup state: %m");
2925 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP: %m");
2927 /* Non-EFI case: let's see whether /run/systemd/reboot-to-firmware-setup exists. */
2928 if (access("/run/systemd/reboot-to-firmware-setup", F_OK
) < 0) {
2929 if (errno
!= ENOENT
)
2930 log_warning_errno(errno
, "Failed to check whether /run/systemd/reboot-to-firmware-setup exists: %m");
2937 return sd_bus_message_append(reply
, "b", r
> 0);
2940 static int method_set_reboot_to_firmware_setup(
2941 sd_bus_message
*message
,
2943 sd_bus_error
*error
) {
2945 Manager
*m
= ASSERT_PTR(userdata
);
2951 r
= sd_bus_message_read(message
, "b", &b
);
2955 r
= getenv_bool("SYSTEMD_REBOOT_TO_FIRMWARE_SETUP");
2957 /* EFI case: let's see what the firmware supports */
2959 r
= efi_reboot_to_firmware_supported();
2960 if (r
== -EOPNOTSUPP
)
2961 return sd_bus_error_set(error
, SD_BUS_ERROR_NOT_SUPPORTED
, "Firmware does not support boot into firmware.");
2967 } else if (r
<= 0) {
2968 /* non-EFI case: $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP is set to off */
2971 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP: %m");
2973 return sd_bus_error_set(error
, SD_BUS_ERROR_NOT_SUPPORTED
, "Firmware does not support boot into firmware.");
2975 /* non-EFI case: $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP is set to on */
2978 r
= bus_verify_polkit_async(
2980 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2981 /* details= */ NULL
,
2982 &m
->polkit_registry
,
2987 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2990 r
= efi_set_reboot_to_firmware(b
);
2995 r
= touch("/run/systemd/reboot-to-firmware-setup");
2999 if (unlink("/run/systemd/reboot-to-firmware-setup") < 0 && errno
!= ENOENT
)
3004 return sd_bus_reply_method_return(message
, NULL
);
3007 static int method_can_reboot_to_firmware_setup(
3008 sd_bus_message
*message
,
3010 sd_bus_error
*error
) {
3012 _unused_ Manager
*m
= ASSERT_PTR(userdata
);
3017 r
= getenv_bool("SYSTEMD_REBOOT_TO_FIRMWARE_SETUP");
3019 /* EFI case: let's see what the firmware supports */
3021 r
= efi_reboot_to_firmware_supported();
3023 if (r
!= -EOPNOTSUPP
)
3024 log_warning_errno(r
, "Failed to determine whether reboot to firmware is supported: %m");
3026 return sd_bus_reply_method_return(message
, "s", "na");
3029 } else if (r
<= 0) {
3030 /* Non-EFI case: let's trust $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP */
3033 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP: %m");
3035 return sd_bus_reply_method_return(message
, "s", "na");
3038 return return_test_polkit(
3040 "org.freedesktop.login1.set-reboot-to-firmware-setup",
3041 /* details= */ NULL
,
3042 /* good_user= */ UID_INVALID
,
3046 static int property_get_reboot_to_boot_loader_menu(
3049 const char *interface
,
3050 const char *property
,
3051 sd_bus_message
*reply
,
3053 sd_bus_error
*error
) {
3055 uint64_t x
= UINT64_MAX
;
3062 r
= getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU");
3064 /* EFI case: returns the current value of LoaderConfigTimeoutOneShot. Three cases are distinguished:
3066 * 1. Variable not set, boot into boot loader menu is not enabled (we return UINT64_MAX to the user)
3067 * 2. Variable set to "0", boot into boot loader menu is enabled with no timeout (we return 0 to the user)
3068 * 3. Variable set to numeric value formatted in ASCII, boot into boot loader menu with the specified timeout in seconds
3071 r
= efi_loader_get_config_timeout_one_shot(&x
);
3074 log_warning_errno(r
, "Failed to read LoaderConfigTimeoutOneShot variable, ignoring: %m");
3078 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU: %m");
3080 _cleanup_free_
char *v
= NULL
;
3082 /* Non-EFI case, let's process /run/systemd/reboot-to-boot-loader-menu. */
3084 r
= read_one_line_file("/run/systemd/reboot-to-boot-loader-menu", &v
);
3087 log_warning_errno(r
, "Failed to read /run/systemd/reboot-to-boot-loader-menu: %m");
3089 r
= safe_atou64(v
, &x
);
3091 log_warning_errno(r
, "Failed to parse /run/systemd/reboot-to-boot-loader-menu: %m");
3095 return sd_bus_message_append(reply
, "t", x
);
3098 static int method_set_reboot_to_boot_loader_menu(
3099 sd_bus_message
*message
,
3101 sd_bus_error
*error
) {
3103 Manager
*m
= ASSERT_PTR(userdata
);
3110 r
= sd_bus_message_read(message
, "t", &x
);
3114 r
= getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU");
3118 /* EFI case: let's see if booting into boot loader menu is supported. */
3120 r
= efi_loader_get_features(&features
);
3122 log_warning_errno(r
, "Failed to determine whether reboot to boot loader menu is supported: %m");
3123 if (r
< 0 || !FLAGS_SET(features
, EFI_LOADER_FEATURE_CONFIG_TIMEOUT_ONE_SHOT
))
3124 return sd_bus_error_set(error
, SD_BUS_ERROR_NOT_SUPPORTED
, "Boot loader does not support boot into boot loader menu.");
3128 } else if (r
<= 0) {
3129 /* non-EFI case: $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU is set to off */
3132 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU: %m");
3134 return sd_bus_error_set(error
, SD_BUS_ERROR_NOT_SUPPORTED
, "Boot loader does not support boot into boot loader menu.");
3136 /* non-EFI case: $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU is set to on */
3139 r
= bus_verify_polkit_async(
3141 "org.freedesktop.login1.set-reboot-to-boot-loader-menu",
3142 /* details= */ NULL
,
3143 &m
->polkit_registry
,
3148 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
3151 if (x
== UINT64_MAX
)
3152 r
= efi_set_variable(EFI_LOADER_VARIABLE(LoaderConfigTimeoutOneShot
), NULL
, 0);
3154 char buf
[DECIMAL_STR_MAX(uint64_t) + 1];
3155 xsprintf(buf
, "%" PRIu64
, DIV_ROUND_UP(x
, USEC_PER_SEC
)); /* second granularity */
3157 r
= efi_set_variable_string(EFI_LOADER_VARIABLE(LoaderConfigTimeoutOneShot
), buf
);
3162 if (x
== UINT64_MAX
) {
3163 if (unlink("/run/systemd/reboot-to-boot-loader-menu") < 0 && errno
!= ENOENT
)
3166 char buf
[DECIMAL_STR_MAX(uint64_t) + 1];
3168 xsprintf(buf
, "%" PRIu64
, x
); /* μs granularity */
3170 r
= write_string_file_atomic_label("/run/systemd/reboot-to-boot-loader-menu", buf
);
3176 return sd_bus_reply_method_return(message
, NULL
);
3179 static int method_can_reboot_to_boot_loader_menu(
3180 sd_bus_message
*message
,
3182 sd_bus_error
*error
) {
3184 _unused_ Manager
*m
= ASSERT_PTR(userdata
);
3189 r
= getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU");
3191 uint64_t features
= 0;
3193 /* EFI case, let's see if booting into boot loader menu is supported. */
3195 r
= efi_loader_get_features(&features
);
3197 log_warning_errno(r
, "Failed to determine whether reboot to boot loader menu is supported: %m");
3198 if (r
< 0 || !FLAGS_SET(features
, EFI_LOADER_FEATURE_CONFIG_TIMEOUT_ONE_SHOT
))
3199 return sd_bus_reply_method_return(message
, "s", "na");
3201 } else if (r
<= 0) {
3202 /* Non-EFI case: let's trust $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU */
3205 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU: %m");
3207 return sd_bus_reply_method_return(message
, "s", "na");
3210 return return_test_polkit(
3212 "org.freedesktop.login1.set-reboot-to-boot-loader-menu",
3213 /* details= */ NULL
,
3214 /* good_user= */ UID_INVALID
,
3218 static int property_get_reboot_to_boot_loader_entry(
3221 const char *interface
,
3222 const char *property
,
3223 sd_bus_message
*reply
,
3225 sd_bus_error
*error
) {
3227 _cleanup_free_
char *v
= NULL
;
3228 Manager
*m
= ASSERT_PTR(userdata
);
3229 const char *x
= NULL
;
3235 r
= getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY");
3237 /* EFI case: let's read the LoaderEntryOneShot variable */
3239 r
= efi_loader_update_entry_one_shot_cache(&m
->efi_loader_entry_one_shot
, &m
->efi_loader_entry_one_shot_stat
);
3242 log_warning_errno(r
, "Failed to read LoaderEntryOneShot variable, ignoring: %m");
3244 x
= m
->efi_loader_entry_one_shot
;
3247 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY: %m");
3250 /* Non-EFI case, let's process /run/systemd/reboot-to-boot-loader-entry. */
3252 r
= read_one_line_file("/run/systemd/reboot-to-boot-loader-entry", &v
);
3255 log_warning_errno(r
, "Failed to read /run/systemd/reboot-to-boot-loader-entry, ignoring: %m");
3256 } else if (!efi_loader_entry_name_valid(v
))
3257 log_warning("/run/systemd/reboot-to-boot-loader-entry is not valid, ignoring.");
3262 return sd_bus_message_append(reply
, "s", x
);
3265 static int boot_loader_entry_exists(Manager
*m
, const char *id
) {
3266 _cleanup_(boot_config_free
) BootConfig config
= BOOT_CONFIG_NULL
;
3272 r
= boot_config_load_auto(&config
, NULL
, NULL
);
3273 if (r
< 0 && r
!= -ENOKEY
) /* don't complain if no GPT is found, hence skip ENOKEY */
3276 r
= manager_read_efi_boot_loader_entries(m
);
3278 (void) boot_config_augment_from_loader(&config
, m
->efi_boot_loader_entries
, /* auto_only= */ true);
3280 return !!boot_config_find_entry(&config
, id
);
3283 static int method_set_reboot_to_boot_loader_entry(
3284 sd_bus_message
*message
,
3286 sd_bus_error
*error
) {
3288 Manager
*m
= ASSERT_PTR(userdata
);
3295 r
= sd_bus_message_read(message
, "s", &v
);
3301 else if (efi_loader_entry_name_valid(v
)) {
3302 r
= boot_loader_entry_exists(m
, v
);
3306 return sd_bus_error_setf(error
, SD_BUS_ERROR_NOT_SUPPORTED
, "Boot loader entry '%s' is not known.", v
);
3308 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Boot loader entry name '%s' is not valid, refusing.", v
);
3310 r
= getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY");
3314 /* EFI case: let's see if booting into boot loader entry is supported. */
3316 r
= efi_loader_get_features(&features
);
3318 log_warning_errno(r
, "Failed to determine whether reboot into boot loader entry is supported: %m");
3319 if (r
< 0 || !FLAGS_SET(features
, EFI_LOADER_FEATURE_ENTRY_ONESHOT
))
3320 return sd_bus_error_set(error
, SD_BUS_ERROR_NOT_SUPPORTED
, "Loader does not support boot into boot loader entry.");
3324 } else if (r
<= 0) {
3325 /* non-EFI case: $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY is set to off */
3328 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY: %m");
3330 return sd_bus_error_set(error
, SD_BUS_ERROR_NOT_SUPPORTED
, "Loader does not support boot into boot loader entry.");
3332 /* non-EFI case: $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY is set to on */
3335 r
= bus_verify_polkit_async(
3337 "org.freedesktop.login1.set-reboot-to-boot-loader-entry",
3338 /* details= */ NULL
,
3339 &m
->polkit_registry
,
3344 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
3349 r
= efi_set_variable(EFI_LOADER_VARIABLE(LoaderEntryOneShot
), NULL
, 0);
3351 r
= efi_set_variable_string(EFI_LOADER_VARIABLE(LoaderEntryOneShot
), v
);
3356 if (unlink("/run/systemd/reboot-to-boot-loader-entry") < 0 && errno
!= ENOENT
)
3359 r
= write_string_file_atomic_label("/run/systemd/reboot-boot-to-loader-entry", v
);
3365 return sd_bus_reply_method_return(message
, NULL
);
3368 static int method_can_reboot_to_boot_loader_entry(
3369 sd_bus_message
*message
,
3371 sd_bus_error
*error
) {
3373 _unused_ Manager
*m
= ASSERT_PTR(userdata
);
3378 r
= getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY");
3380 uint64_t features
= 0;
3382 /* EFI case, let's see if booting into boot loader entry is supported. */
3384 r
= efi_loader_get_features(&features
);
3386 log_warning_errno(r
, "Failed to determine whether reboot to boot loader entry is supported: %m");
3387 if (r
< 0 || !FLAGS_SET(features
, EFI_LOADER_FEATURE_ENTRY_ONESHOT
))
3388 return sd_bus_reply_method_return(message
, "s", "na");
3390 } else if (r
<= 0) {
3391 /* Non-EFI case: let's trust $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY */
3394 log_warning_errno(r
, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY: %m");
3396 return sd_bus_reply_method_return(message
, "s", "na");
3399 return return_test_polkit(
3401 "org.freedesktop.login1.set-reboot-to-boot-loader-entry",
3402 /* details= */ NULL
,
3403 /* good_user= */ UID_INVALID
,
3407 static int property_get_boot_loader_entries(
3410 const char *interface
,
3411 const char *property
,
3412 sd_bus_message
*reply
,
3414 sd_bus_error
*error
) {
3416 _cleanup_(boot_config_free
) BootConfig config
= BOOT_CONFIG_NULL
;
3417 Manager
*m
= ASSERT_PTR(userdata
);
3424 r
= boot_config_load_auto(&config
, NULL
, NULL
);
3425 if (r
< 0 && r
!= -ENOKEY
) /* don't complain if there's no GPT found */
3428 r
= manager_read_efi_boot_loader_entries(m
);
3430 (void) boot_config_augment_from_loader(&config
, m
->efi_boot_loader_entries
, /* auto_only= */ true);
3432 r
= sd_bus_message_open_container(reply
, 'a', "s");
3436 for (i
= 0; i
< config
.n_entries
; i
++) {
3437 BootEntry
*e
= config
.entries
+ i
;
3439 r
= sd_bus_message_append(reply
, "s", e
->id
);
3444 return sd_bus_message_close_container(reply
);
3447 static int method_set_wall_message(
3448 sd_bus_message
*message
,
3450 sd_bus_error
*error
) {
3453 Manager
*m
= ASSERT_PTR(userdata
);
3455 int enable_wall_messages
;
3459 r
= sd_bus_message_read(message
, "sb", &wall_message
, &enable_wall_messages
);
3463 if (strlen(wall_message
) > WALL_MESSAGE_MAX
)
3464 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
3465 "Wall message too long, maximum permitted length is %u characters.",
3468 /* Short-circuit the operation if the desired state is already in place, to
3469 * avoid an unnecessary polkit permission check. */
3470 if (streq_ptr(m
->wall_message
, empty_to_null(wall_message
)) &&
3471 m
->enable_wall_messages
== enable_wall_messages
)
3474 r
= bus_verify_polkit_async(
3476 "org.freedesktop.login1.set-wall-message",
3477 /* details= */ NULL
,
3478 &m
->polkit_registry
,
3483 return 1; /* Will call us back */
3485 r
= free_and_strdup(&m
->wall_message
, empty_to_null(wall_message
));
3489 m
->enable_wall_messages
= enable_wall_messages
;
3492 return sd_bus_reply_method_return(message
, NULL
);
3495 static int method_inhibit(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
3496 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
3497 _cleanup_(pidref_done
) PidRef pidref
= PIDREF_NULL
;
3498 const char *who
, *why
, *what
, *mode
;
3499 _cleanup_free_
char *id
= NULL
;
3500 _cleanup_close_
int fifo_fd
= -EBADF
;
3501 Manager
*m
= ASSERT_PTR(userdata
);
3510 r
= sd_bus_message_read(message
, "ssss", &what
, &who
, &why
, &mode
);
3514 w
= inhibit_what_from_string(what
);
3516 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
3517 "Invalid what specification %s", what
);
3519 mm
= inhibit_mode_from_string(mode
);
3521 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
3522 "Invalid mode specification %s", mode
);
3524 /* Delay is only supported for shutdown/sleep */
3525 if (mm
== INHIBIT_DELAY
&& (w
& ~(INHIBIT_SHUTDOWN
|INHIBIT_SLEEP
)))
3526 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
3527 "Delay inhibitors only supported for shutdown and sleep");
3529 /* Don't allow taking delay locks while we are already
3530 * executing the operation. We shouldn't create the impression
3531 * that the lock was successful if the machine is about to go
3532 * down/suspend any moment. */
3533 if (m
->delayed_action
&& m
->delayed_action
->inhibit_what
& w
)
3534 return sd_bus_error_setf(error
, BUS_ERROR_OPERATION_IN_PROGRESS
,
3535 "The operation inhibition has been requested for is already running");
3537 r
= bus_verify_polkit_async(
3539 w
== INHIBIT_SHUTDOWN
? (mm
== INHIBIT_BLOCK
? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") :
3540 w
== INHIBIT_SLEEP
? (mm
== INHIBIT_BLOCK
? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") :
3541 w
== INHIBIT_IDLE
? "org.freedesktop.login1.inhibit-block-idle" :
3542 w
== INHIBIT_HANDLE_POWER_KEY
? "org.freedesktop.login1.inhibit-handle-power-key" :
3543 w
== INHIBIT_HANDLE_SUSPEND_KEY
? "org.freedesktop.login1.inhibit-handle-suspend-key" :
3544 w
== INHIBIT_HANDLE_REBOOT_KEY
? "org.freedesktop.login1.inhibit-handle-reboot-key" :
3545 w
== INHIBIT_HANDLE_HIBERNATE_KEY
? "org.freedesktop.login1.inhibit-handle-hibernate-key" :
3546 "org.freedesktop.login1.inhibit-handle-lid-switch",
3547 /* details= */ NULL
,
3548 &m
->polkit_registry
,
3553 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
3555 r
= sd_bus_query_sender_creds(message
, SD_BUS_CREDS_EUID
|SD_BUS_CREDS_PID
, &creds
);
3559 r
= sd_bus_creds_get_euid(creds
, &uid
);
3563 r
= sd_bus_creds_get_pid(creds
, &pid
);
3567 r
= pidref_set_pid(&pidref
, pid
);
3569 return sd_bus_error_set_errnof(error
, r
, "Failed pin source process "PID_FMT
": %m", pid
);
3571 if (hashmap_size(m
->inhibitors
) >= m
->inhibitors_max
)
3572 return sd_bus_error_setf(error
, SD_BUS_ERROR_LIMITS_EXCEEDED
,
3573 "Maximum number of inhibitors (%" PRIu64
") reached, refusing further inhibitors.",
3579 if (asprintf(&id
, "%" PRIu64
, ++m
->inhibit_counter
) < 0)
3582 } while (hashmap_get(m
->inhibitors
, id
));
3584 _cleanup_(inhibitor_freep
) Inhibitor
*i
= NULL
;
3585 r
= manager_add_inhibitor(m
, id
, &i
);
3591 i
->pid
= TAKE_PIDREF(pidref
);
3593 i
->why
= strdup(why
);
3594 i
->who
= strdup(who
);
3596 if (!i
->why
|| !i
->who
)
3599 fifo_fd
= inhibitor_create_fifo(i
);
3603 r
= inhibitor_start(i
);
3608 return sd_bus_reply_method_return(message
, "h", fifo_fd
);
3611 static const sd_bus_vtable manager_vtable
[] = {
3612 SD_BUS_VTABLE_START(0),
3614 SD_BUS_WRITABLE_PROPERTY("EnableWallMessages", "b", bus_property_get_bool
, bus_property_set_bool
, offsetof(Manager
, enable_wall_messages
), 0),
3615 SD_BUS_WRITABLE_PROPERTY("WallMessage", "s", NULL
, NULL
, offsetof(Manager
, wall_message
), 0),
3617 SD_BUS_PROPERTY("NAutoVTs", "u", NULL
, offsetof(Manager
, n_autovts
), SD_BUS_VTABLE_PROPERTY_CONST
),
3618 SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL
, offsetof(Manager
, kill_only_users
), SD_BUS_VTABLE_PROPERTY_CONST
),
3619 SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL
, offsetof(Manager
, kill_exclude_users
), SD_BUS_VTABLE_PROPERTY_CONST
),
3620 SD_BUS_PROPERTY("KillUserProcesses", "b", bus_property_get_bool
, offsetof(Manager
, kill_user_processes
), SD_BUS_VTABLE_PROPERTY_CONST
),
3621 SD_BUS_PROPERTY("RebootParameter", "s", property_get_reboot_parameter
, 0, 0),
3622 SD_BUS_PROPERTY("RebootToFirmwareSetup", "b", property_get_reboot_to_firmware_setup
, 0, 0),
3623 SD_BUS_PROPERTY("RebootToBootLoaderMenu", "t", property_get_reboot_to_boot_loader_menu
, 0, 0),
3624 SD_BUS_PROPERTY("RebootToBootLoaderEntry", "s", property_get_reboot_to_boot_loader_entry
, 0, 0),
3625 SD_BUS_PROPERTY("BootLoaderEntries", "as", property_get_boot_loader_entries
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
3626 SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
3627 SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
3628 SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
3629 SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
3630 SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
3631 SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL
, offsetof(Manager
, inhibit_delay_max
), SD_BUS_VTABLE_PROPERTY_CONST
),
3632 SD_BUS_PROPERTY("UserStopDelayUSec", "t", NULL
, offsetof(Manager
, user_stop_delay
), SD_BUS_VTABLE_PROPERTY_CONST
),
3633 SD_BUS_PROPERTY("SleepOperation", "as", property_get_sleep_operations
, 0, SD_BUS_VTABLE_PROPERTY_CONST
),
3634 SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action
, offsetof(Manager
, handle_power_key
), SD_BUS_VTABLE_PROPERTY_CONST
),
3635 SD_BUS_PROPERTY("HandlePowerKeyLongPress", "s", property_get_handle_action
, offsetof(Manager
, handle_power_key_long_press
), SD_BUS_VTABLE_PROPERTY_CONST
),
3636 SD_BUS_PROPERTY("HandleRebootKey", "s", property_get_handle_action
, offsetof(Manager
, handle_reboot_key
), SD_BUS_VTABLE_PROPERTY_CONST
),
3637 SD_BUS_PROPERTY("HandleRebootKeyLongPress", "s", property_get_handle_action
, offsetof(Manager
, handle_reboot_key_long_press
), SD_BUS_VTABLE_PROPERTY_CONST
),
3638 SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action
, offsetof(Manager
, handle_suspend_key
), SD_BUS_VTABLE_PROPERTY_CONST
),
3639 SD_BUS_PROPERTY("HandleSuspendKeyLongPress", "s", property_get_handle_action
, offsetof(Manager
, handle_suspend_key_long_press
), SD_BUS_VTABLE_PROPERTY_CONST
),
3640 SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action
, offsetof(Manager
, handle_hibernate_key
), SD_BUS_VTABLE_PROPERTY_CONST
),
3641 SD_BUS_PROPERTY("HandleHibernateKeyLongPress", "s", property_get_handle_action
, offsetof(Manager
, handle_hibernate_key_long_press
), SD_BUS_VTABLE_PROPERTY_CONST
),
3642 SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action
, offsetof(Manager
, handle_lid_switch
), SD_BUS_VTABLE_PROPERTY_CONST
),
3643 SD_BUS_PROPERTY("HandleLidSwitchExternalPower", "s", property_get_handle_action
, offsetof(Manager
, handle_lid_switch_ep
), SD_BUS_VTABLE_PROPERTY_CONST
),
3644 SD_BUS_PROPERTY("HandleLidSwitchDocked", "s", property_get_handle_action
, offsetof(Manager
, handle_lid_switch_docked
), SD_BUS_VTABLE_PROPERTY_CONST
),
3645 SD_BUS_PROPERTY("HoldoffTimeoutUSec", "t", NULL
, offsetof(Manager
, holdoff_timeout_usec
), SD_BUS_VTABLE_PROPERTY_CONST
),
3646 SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action
, offsetof(Manager
, idle_action
), SD_BUS_VTABLE_PROPERTY_CONST
),
3647 SD_BUS_PROPERTY("IdleActionUSec", "t", NULL
, offsetof(Manager
, idle_action_usec
), SD_BUS_VTABLE_PROPERTY_CONST
),
3648 SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing
, 0, 0),
3649 SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing
, 0, 0),
3650 SD_BUS_PROPERTY("ScheduledShutdown", "(st)", property_get_scheduled_shutdown
, 0, 0),
3651 SD_BUS_PROPERTY("Docked", "b", property_get_docked
, 0, 0),
3652 SD_BUS_PROPERTY("LidClosed", "b", property_get_lid_closed
, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
3653 SD_BUS_PROPERTY("OnExternalPower", "b", property_get_on_external_power
, 0, 0),
3654 SD_BUS_PROPERTY("RemoveIPC", "b", bus_property_get_bool
, offsetof(Manager
, remove_ipc
), SD_BUS_VTABLE_PROPERTY_CONST
),
3655 SD_BUS_PROPERTY("RuntimeDirectorySize", "t", NULL
, offsetof(Manager
, runtime_dir_size
), SD_BUS_VTABLE_PROPERTY_CONST
),
3656 SD_BUS_PROPERTY("RuntimeDirectoryInodesMax", "t", NULL
, offsetof(Manager
, runtime_dir_inodes
), SD_BUS_VTABLE_PROPERTY_CONST
),
3657 SD_BUS_PROPERTY("InhibitorsMax", "t", NULL
, offsetof(Manager
, inhibitors_max
), SD_BUS_VTABLE_PROPERTY_CONST
),
3658 SD_BUS_PROPERTY("NCurrentInhibitors", "t", property_get_hashmap_size
, offsetof(Manager
, inhibitors
), 0),
3659 SD_BUS_PROPERTY("SessionsMax", "t", NULL
, offsetof(Manager
, sessions_max
), SD_BUS_VTABLE_PROPERTY_CONST
),
3660 SD_BUS_PROPERTY("NCurrentSessions", "t", property_get_hashmap_size
, offsetof(Manager
, sessions
), 0),
3661 SD_BUS_PROPERTY("UserTasksMax", "t", property_get_compat_user_tasks_max
, 0, SD_BUS_VTABLE_PROPERTY_CONST
|SD_BUS_VTABLE_HIDDEN
),
3662 SD_BUS_PROPERTY("StopIdleSessionUSec", "t", NULL
, offsetof(Manager
, stop_idle_session_usec
), SD_BUS_VTABLE_PROPERTY_CONST
),
3664 SD_BUS_METHOD_WITH_ARGS("GetSession",
3665 SD_BUS_ARGS("s", session_id
),
3666 SD_BUS_RESULT("o", object_path
),
3668 SD_BUS_VTABLE_UNPRIVILEGED
),
3669 SD_BUS_METHOD_WITH_ARGS("GetSessionByPID",
3670 SD_BUS_ARGS("u", pid
),
3671 SD_BUS_RESULT("o", object_path
),
3672 method_get_session_by_pid
,
3673 SD_BUS_VTABLE_UNPRIVILEGED
),
3674 SD_BUS_METHOD_WITH_ARGS("GetUser",
3675 SD_BUS_ARGS("u", uid
),
3676 SD_BUS_RESULT("o", object_path
),
3678 SD_BUS_VTABLE_UNPRIVILEGED
),
3679 SD_BUS_METHOD_WITH_ARGS("GetUserByPID",
3680 SD_BUS_ARGS("u", pid
),
3681 SD_BUS_RESULT("o", object_path
),
3682 method_get_user_by_pid
,
3683 SD_BUS_VTABLE_UNPRIVILEGED
),
3684 SD_BUS_METHOD_WITH_ARGS("GetSeat",
3685 SD_BUS_ARGS("s", seat_id
),
3686 SD_BUS_RESULT("o", object_path
),
3688 SD_BUS_VTABLE_UNPRIVILEGED
),
3689 SD_BUS_METHOD_WITH_ARGS("ListSessions",
3691 SD_BUS_RESULT("a(susso)", sessions
),
3692 method_list_sessions
,
3693 SD_BUS_VTABLE_UNPRIVILEGED
),
3694 SD_BUS_METHOD_WITH_ARGS("ListSessionsEx",
3696 SD_BUS_RESULT("a(sussussbto)", sessions
),
3697 method_list_sessions_ex
,
3698 SD_BUS_VTABLE_UNPRIVILEGED
),
3699 SD_BUS_METHOD_WITH_ARGS("ListUsers",
3701 SD_BUS_RESULT("a(uso)", users
),
3703 SD_BUS_VTABLE_UNPRIVILEGED
),
3704 SD_BUS_METHOD_WITH_ARGS("ListSeats",
3706 SD_BUS_RESULT("a(so)", seats
),
3708 SD_BUS_VTABLE_UNPRIVILEGED
),
3709 SD_BUS_METHOD_WITH_ARGS("ListInhibitors",
3711 SD_BUS_RESULT("a(ssssuu)", inhibitors
),
3712 method_list_inhibitors
,
3713 SD_BUS_VTABLE_UNPRIVILEGED
),
3714 SD_BUS_METHOD_WITH_ARGS("CreateSession",
3715 SD_BUS_ARGS("u", uid
,
3728 "a(sv)", properties
),
3729 SD_BUS_RESULT("s", session_id
,
3737 method_create_session
,
3739 SD_BUS_METHOD_WITH_ARGS("CreateSessionWithPIDFD",
3740 SD_BUS_ARGS("u", uid
,
3754 "a(sv)", properties
),
3755 SD_BUS_RESULT("s", session_id
,
3763 method_create_session_pidfd
,
3765 SD_BUS_METHOD_WITH_ARGS("ReleaseSession",
3766 SD_BUS_ARGS("s", session_id
),
3768 method_release_session
,
3770 SD_BUS_METHOD_WITH_ARGS("ActivateSession",
3771 SD_BUS_ARGS("s", session_id
),
3773 method_activate_session
,
3774 SD_BUS_VTABLE_UNPRIVILEGED
),
3775 SD_BUS_METHOD_WITH_ARGS("ActivateSessionOnSeat",
3776 SD_BUS_ARGS("s", session_id
, "s", seat_id
),
3778 method_activate_session_on_seat
,
3779 SD_BUS_VTABLE_UNPRIVILEGED
),
3780 SD_BUS_METHOD_WITH_ARGS("LockSession",
3781 SD_BUS_ARGS("s", session_id
),
3783 method_lock_session
,
3784 SD_BUS_VTABLE_UNPRIVILEGED
),
3785 SD_BUS_METHOD_WITH_ARGS("UnlockSession",
3786 SD_BUS_ARGS("s", session_id
),
3788 method_lock_session
,
3789 SD_BUS_VTABLE_UNPRIVILEGED
),
3790 SD_BUS_METHOD("LockSessions",
3793 method_lock_sessions
,
3794 SD_BUS_VTABLE_UNPRIVILEGED
),
3795 SD_BUS_METHOD("UnlockSessions",
3798 method_lock_sessions
,
3799 SD_BUS_VTABLE_UNPRIVILEGED
),
3800 SD_BUS_METHOD_WITH_ARGS("KillSession",
3801 SD_BUS_ARGS("s", session_id
, "s", who
, "i", signal_number
),
3803 method_kill_session
,
3804 SD_BUS_VTABLE_UNPRIVILEGED
),
3805 SD_BUS_METHOD_WITH_ARGS("KillUser",
3806 SD_BUS_ARGS("u", uid
, "i", signal_number
),
3809 SD_BUS_VTABLE_UNPRIVILEGED
),
3810 SD_BUS_METHOD_WITH_ARGS("TerminateSession",
3811 SD_BUS_ARGS("s", session_id
),
3813 method_terminate_session
,
3814 SD_BUS_VTABLE_UNPRIVILEGED
),
3815 SD_BUS_METHOD_WITH_ARGS("TerminateUser",
3816 SD_BUS_ARGS("u", uid
),
3818 method_terminate_user
,
3819 SD_BUS_VTABLE_UNPRIVILEGED
),
3820 SD_BUS_METHOD_WITH_ARGS("TerminateSeat",
3821 SD_BUS_ARGS("s", seat_id
),
3823 method_terminate_seat
,
3824 SD_BUS_VTABLE_UNPRIVILEGED
),
3825 SD_BUS_METHOD_WITH_ARGS("SetUserLinger",
3826 SD_BUS_ARGS("u", uid
, "b", enable
, "b", interactive
),
3828 method_set_user_linger
,
3829 SD_BUS_VTABLE_UNPRIVILEGED
),
3830 SD_BUS_METHOD_WITH_ARGS("AttachDevice",
3831 SD_BUS_ARGS("s", seat_id
, "s", sysfs_path
, "b", interactive
),
3833 method_attach_device
,
3834 SD_BUS_VTABLE_UNPRIVILEGED
),
3835 SD_BUS_METHOD_WITH_ARGS("FlushDevices",
3836 SD_BUS_ARGS("b", interactive
),
3838 method_flush_devices
,
3839 SD_BUS_VTABLE_UNPRIVILEGED
),
3840 SD_BUS_METHOD_WITH_ARGS("PowerOff",
3841 SD_BUS_ARGS("b", interactive
),
3844 SD_BUS_VTABLE_UNPRIVILEGED
),
3845 SD_BUS_METHOD_WITH_ARGS("PowerOffWithFlags",
3846 SD_BUS_ARGS("t", flags
),
3849 SD_BUS_VTABLE_UNPRIVILEGED
),
3850 SD_BUS_METHOD_WITH_ARGS("Reboot",
3851 SD_BUS_ARGS("b", interactive
),
3854 SD_BUS_VTABLE_UNPRIVILEGED
),
3855 SD_BUS_METHOD_WITH_ARGS("RebootWithFlags",
3856 SD_BUS_ARGS("t", flags
),
3859 SD_BUS_VTABLE_UNPRIVILEGED
),
3860 SD_BUS_METHOD_WITH_ARGS("Halt",
3861 SD_BUS_ARGS("b", interactive
),
3864 SD_BUS_VTABLE_UNPRIVILEGED
),
3865 SD_BUS_METHOD_WITH_ARGS("HaltWithFlags",
3866 SD_BUS_ARGS("t", flags
),
3869 SD_BUS_VTABLE_UNPRIVILEGED
),
3870 SD_BUS_METHOD_WITH_ARGS("Suspend",
3871 SD_BUS_ARGS("b", interactive
),
3874 SD_BUS_VTABLE_UNPRIVILEGED
),
3875 SD_BUS_METHOD_WITH_ARGS("SuspendWithFlags",
3876 SD_BUS_ARGS("t", flags
),
3879 SD_BUS_VTABLE_UNPRIVILEGED
),
3880 SD_BUS_METHOD_WITH_ARGS("Hibernate",
3881 SD_BUS_ARGS("b", interactive
),
3884 SD_BUS_VTABLE_UNPRIVILEGED
),
3885 SD_BUS_METHOD_WITH_ARGS("HibernateWithFlags",
3886 SD_BUS_ARGS("t", flags
),
3889 SD_BUS_VTABLE_UNPRIVILEGED
),
3890 SD_BUS_METHOD_WITH_ARGS("HybridSleep",
3891 SD_BUS_ARGS("b", interactive
),
3893 method_hybrid_sleep
,
3894 SD_BUS_VTABLE_UNPRIVILEGED
),
3895 SD_BUS_METHOD_WITH_ARGS("HybridSleepWithFlags",
3896 SD_BUS_ARGS("t", flags
),
3898 method_hybrid_sleep
,
3899 SD_BUS_VTABLE_UNPRIVILEGED
),
3900 SD_BUS_METHOD_WITH_ARGS("SuspendThenHibernate",
3901 SD_BUS_ARGS("b", interactive
),
3903 method_suspend_then_hibernate
,
3904 SD_BUS_VTABLE_UNPRIVILEGED
),
3905 SD_BUS_METHOD_WITH_ARGS("SuspendThenHibernateWithFlags",
3906 SD_BUS_ARGS("t", flags
),
3908 method_suspend_then_hibernate
,
3909 SD_BUS_VTABLE_UNPRIVILEGED
),
3910 SD_BUS_METHOD_WITH_ARGS("Sleep",
3911 SD_BUS_ARGS("t", flags
),
3914 SD_BUS_VTABLE_UNPRIVILEGED
),
3915 SD_BUS_METHOD_WITH_ARGS("CanPowerOff",
3917 SD_BUS_RESULT("s", result
),
3918 method_can_poweroff
,
3919 SD_BUS_VTABLE_UNPRIVILEGED
),
3920 SD_BUS_METHOD_WITH_ARGS("CanReboot",
3922 SD_BUS_RESULT("s", result
),
3924 SD_BUS_VTABLE_UNPRIVILEGED
),
3925 SD_BUS_METHOD_WITH_ARGS("CanHalt",
3927 SD_BUS_RESULT("s", result
),
3929 SD_BUS_VTABLE_UNPRIVILEGED
),
3930 SD_BUS_METHOD_WITH_ARGS("CanSuspend",
3932 SD_BUS_RESULT("s", result
),
3934 SD_BUS_VTABLE_UNPRIVILEGED
),
3935 SD_BUS_METHOD_WITH_ARGS("CanHibernate",
3937 SD_BUS_RESULT("s", result
),
3938 method_can_hibernate
,
3939 SD_BUS_VTABLE_UNPRIVILEGED
),
3940 SD_BUS_METHOD_WITH_ARGS("CanHybridSleep",
3942 SD_BUS_RESULT("s", result
),
3943 method_can_hybrid_sleep
,
3944 SD_BUS_VTABLE_UNPRIVILEGED
),
3945 SD_BUS_METHOD_WITH_ARGS("CanSuspendThenHibernate",
3947 SD_BUS_RESULT("s", result
),
3948 method_can_suspend_then_hibernate
,
3949 SD_BUS_VTABLE_UNPRIVILEGED
),
3950 SD_BUS_METHOD_WITH_ARGS("CanSleep",
3952 SD_BUS_RESULT("s", result
),
3954 SD_BUS_VTABLE_UNPRIVILEGED
),
3955 SD_BUS_METHOD_WITH_ARGS("ScheduleShutdown",
3956 SD_BUS_ARGS("s", type
, "t", usec
),
3958 method_schedule_shutdown
,
3959 SD_BUS_VTABLE_UNPRIVILEGED
),
3960 SD_BUS_METHOD_WITH_ARGS("CancelScheduledShutdown",
3962 SD_BUS_RESULT("b", cancelled
),
3963 method_cancel_scheduled_shutdown
,
3964 SD_BUS_VTABLE_UNPRIVILEGED
),
3965 SD_BUS_METHOD_WITH_ARGS("Inhibit",
3966 SD_BUS_ARGS("s", what
, "s", who
, "s", why
, "s", mode
),
3967 SD_BUS_RESULT("h", pipe_fd
),
3969 SD_BUS_VTABLE_UNPRIVILEGED
),
3970 SD_BUS_METHOD_WITH_ARGS("CanRebootParameter",
3972 SD_BUS_RESULT("s", result
),
3973 method_can_reboot_parameter
,
3974 SD_BUS_VTABLE_UNPRIVILEGED
),
3975 SD_BUS_METHOD_WITH_ARGS("SetRebootParameter",
3976 SD_BUS_ARGS("s", parameter
),
3978 method_set_reboot_parameter
,
3979 SD_BUS_VTABLE_UNPRIVILEGED
),
3980 SD_BUS_METHOD_WITH_ARGS("CanRebootToFirmwareSetup",
3982 SD_BUS_RESULT("s", result
),
3983 method_can_reboot_to_firmware_setup
,
3984 SD_BUS_VTABLE_UNPRIVILEGED
),
3985 SD_BUS_METHOD_WITH_ARGS("SetRebootToFirmwareSetup",
3986 SD_BUS_ARGS("b", enable
),
3988 method_set_reboot_to_firmware_setup
,
3989 SD_BUS_VTABLE_UNPRIVILEGED
),
3990 SD_BUS_METHOD_WITH_ARGS("CanRebootToBootLoaderMenu",
3992 SD_BUS_RESULT("s", result
),
3993 method_can_reboot_to_boot_loader_menu
,
3994 SD_BUS_VTABLE_UNPRIVILEGED
),
3995 SD_BUS_METHOD_WITH_ARGS("SetRebootToBootLoaderMenu",
3996 SD_BUS_ARGS("t", timeout
),
3998 method_set_reboot_to_boot_loader_menu
,
3999 SD_BUS_VTABLE_UNPRIVILEGED
),
4000 SD_BUS_METHOD_WITH_ARGS("CanRebootToBootLoaderEntry",
4002 SD_BUS_RESULT("s", result
),
4003 method_can_reboot_to_boot_loader_entry
,
4004 SD_BUS_VTABLE_UNPRIVILEGED
),
4005 SD_BUS_METHOD_WITH_ARGS("SetRebootToBootLoaderEntry",
4006 SD_BUS_ARGS("s", boot_loader_entry
),
4008 method_set_reboot_to_boot_loader_entry
,
4009 SD_BUS_VTABLE_UNPRIVILEGED
),
4010 SD_BUS_METHOD_WITH_ARGS("SetWallMessage",
4011 SD_BUS_ARGS("s", wall_message
, "b", enable
),
4013 method_set_wall_message
,
4014 SD_BUS_VTABLE_UNPRIVILEGED
),
4016 SD_BUS_SIGNAL_WITH_ARGS("SessionNew",
4017 SD_BUS_ARGS("s", session_id
, "o", object_path
),
4019 SD_BUS_SIGNAL_WITH_ARGS("SessionRemoved",
4020 SD_BUS_ARGS("s", session_id
, "o", object_path
),
4022 SD_BUS_SIGNAL_WITH_ARGS("UserNew",
4023 SD_BUS_ARGS("u", uid
, "o", object_path
),
4025 SD_BUS_SIGNAL_WITH_ARGS("UserRemoved",
4026 SD_BUS_ARGS("u", uid
, "o", object_path
),
4028 SD_BUS_SIGNAL_WITH_ARGS("SeatNew",
4029 SD_BUS_ARGS("s", seat_id
, "o", object_path
),
4031 SD_BUS_SIGNAL_WITH_ARGS("SeatRemoved",
4032 SD_BUS_ARGS("s", seat_id
, "o", object_path
),
4034 SD_BUS_SIGNAL_WITH_ARGS("PrepareForShutdown",
4035 SD_BUS_ARGS("b", start
),
4037 SD_BUS_SIGNAL_WITH_ARGS("PrepareForShutdownWithMetadata",
4038 SD_BUS_ARGS("b", start
, "a{sv}", metadata
),
4040 SD_BUS_SIGNAL_WITH_ARGS("PrepareForSleep",
4041 SD_BUS_ARGS("b", start
),
4047 const BusObjectImplementation manager_object
= {
4048 "/org/freedesktop/login1",
4049 "org.freedesktop.login1.Manager",
4050 .vtables
= BUS_VTABLES(manager_vtable
),
4051 .children
= BUS_IMPLEMENTATIONS(&seat_object
,
4056 static int session_jobs_reply(Session
*s
, uint32_t jid
, const char *unit
, const char *result
) {
4063 if (result
&& !streq(result
, "done")) {
4064 _cleanup_(sd_bus_error_free
) sd_bus_error e
= SD_BUS_ERROR_NULL
;
4066 sd_bus_error_setf(&e
, BUS_ERROR_JOB_FAILED
,
4067 "Job %u for unit '%s' failed with '%s'", jid
, unit
, result
);
4068 return session_send_create_reply(s
, &e
);
4071 return session_send_create_reply(s
, NULL
);
4074 int match_job_removed(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
4075 const char *path
, *result
, *unit
;
4076 Manager
*m
= ASSERT_PTR(userdata
);
4084 r
= sd_bus_message_read(message
, "uoss", &id
, &path
, &unit
, &result
);
4086 bus_log_parse_error(r
);
4090 if (m
->action_job
&& streq(m
->action_job
, path
)) {
4091 assert(m
->delayed_action
);
4092 log_info("Operation '%s' finished.", handle_action_to_string(m
->delayed_action
->handle
));
4094 /* Tell people that they now may take a lock again */
4095 (void) send_prepare_for(m
, m
->delayed_action
, false);
4097 m
->action_job
= mfree(m
->action_job
);
4098 m
->delayed_action
= NULL
;
4102 session
= hashmap_get(m
->session_units
, unit
);
4104 if (streq_ptr(path
, session
->scope_job
)) {
4105 session
->scope_job
= mfree(session
->scope_job
);
4106 (void) session_jobs_reply(session
, id
, unit
, result
);
4108 session_save(session
);
4109 user_save(session
->user
);
4112 session_add_to_gc_queue(session
);
4115 user
= hashmap_get(m
->user_units
, unit
);
4117 if (streq_ptr(path
, user
->service_job
)) {
4118 user
->service_job
= mfree(user
->service_job
);
4120 LIST_FOREACH(sessions_by_user
, s
, user
->sessions
)
4121 (void) session_jobs_reply(s
, id
, unit
, NULL
/* don't propagate user service failures to the client */);
4126 user_add_to_gc_queue(user
);
4132 int match_unit_removed(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
4133 const char *path
, *unit
;
4134 Manager
*m
= ASSERT_PTR(userdata
);
4141 r
= sd_bus_message_read(message
, "so", &unit
, &path
);
4143 bus_log_parse_error(r
);
4147 session
= hashmap_get(m
->session_units
, unit
);
4149 session_add_to_gc_queue(session
);
4151 user
= hashmap_get(m
->user_units
, unit
);
4153 user_add_to_gc_queue(user
);
4158 int match_properties_changed(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
4159 _cleanup_free_
char *unit
= NULL
;
4160 Manager
*m
= ASSERT_PTR(userdata
);
4168 path
= sd_bus_message_get_path(message
);
4172 r
= unit_name_from_dbus_path(path
, &unit
);
4173 if (r
== -EINVAL
) /* not a unit */
4180 session
= hashmap_get(m
->session_units
, unit
);
4182 session_add_to_gc_queue(session
);
4184 user
= hashmap_get(m
->user_units
, unit
);
4186 user_add_to_gc_queue(user
);
4191 int match_reloading(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
4192 Manager
*m
= ASSERT_PTR(userdata
);
4198 r
= sd_bus_message_read(message
, "b", &b
);
4200 bus_log_parse_error(r
);
4207 /* systemd finished reloading, let's recheck all our sessions */
4208 log_debug("System manager has been reloaded, rechecking sessions...");
4210 HASHMAP_FOREACH(session
, m
->sessions
)
4211 session_add_to_gc_queue(session
);
4216 int manager_send_changed(Manager
*manager
, const char *property
, ...) {
4221 l
= strv_from_stdarg_alloca(property
);
4223 return sd_bus_emit_properties_changed_strv(
4225 "/org/freedesktop/login1",
4226 "org.freedesktop.login1.Manager",
4230 static int strdup_job(sd_bus_message
*reply
, char **job
) {
4235 r
= sd_bus_message_read(reply
, "o", &j
);
4247 int manager_start_scope(
4250 const PidRef
*pidref
,
4252 const char *description
,
4255 const char *requires_mounts_for
,
4256 sd_bus_message
*more_properties
,
4257 sd_bus_error
*error
,
4260 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*m
= NULL
, *reply
= NULL
;
4265 assert(pidref_is_set(pidref
));
4268 r
= bus_message_new_method_call(manager
->bus
, &m
, bus_systemd_mgr
, "StartTransientUnit");
4272 r
= sd_bus_message_append(m
, "ss", strempty(scope
), "fail");
4276 r
= sd_bus_message_open_container(m
, 'a', "(sv)");
4280 if (!isempty(slice
)) {
4281 r
= sd_bus_message_append(m
, "(sv)", "Slice", "s", slice
);
4286 if (!isempty(description
)) {
4287 r
= sd_bus_message_append(m
, "(sv)", "Description", "s", description
);
4292 STRV_FOREACH(i
, wants
) {
4293 r
= sd_bus_message_append(m
, "(sv)", "Wants", "as", 1, *i
);
4298 STRV_FOREACH(i
, after
) {
4299 r
= sd_bus_message_append(m
, "(sv)", "After", "as", 1, *i
);
4304 if (!empty_or_root(requires_mounts_for
)) {
4305 r
= sd_bus_message_append(m
, "(sv)", "RequiresMountsFor", "as", 1, requires_mounts_for
);
4310 /* Make sure that the session shells are terminated with SIGHUP since bash and friends tend to ignore
4312 r
= sd_bus_message_append(m
, "(sv)", "SendSIGHUP", "b", true);
4316 r
= bus_append_scope_pidref(m
, pidref
);
4320 /* For login session scopes, if a process is OOM killed by the kernel, *don't* terminate the rest of
4322 r
= sd_bus_message_append(m
, "(sv)", "OOMPolicy", "s", "continue");
4326 /* disable TasksMax= for the session scope, rely on the slice setting for it */
4327 r
= sd_bus_message_append(m
, "(sv)", "TasksMax", "t", UINT64_MAX
);
4329 return bus_log_create_error(r
);
4331 if (more_properties
) {
4332 /* If TasksMax also appears here, it will overwrite the default value set above */
4333 r
= sd_bus_message_copy(m
, more_properties
, true);
4338 r
= sd_bus_message_close_container(m
);
4342 r
= sd_bus_message_append(m
, "a(sa(sv))", 0);
4346 r
= sd_bus_call(manager
->bus
, m
, 0, error
, &reply
);
4350 return strdup_job(reply
, job
);
4353 int manager_start_unit(Manager
*manager
, const char *unit
, sd_bus_error
*error
, char **job
) {
4354 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
4361 r
= bus_call_method(
4367 "ss", unit
, "replace");
4371 return strdup_job(reply
, job
);
4374 int manager_stop_unit(Manager
*manager
, const char *unit
, const char *job_mode
, sd_bus_error
*error
, char **ret_job
) {
4375 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
4382 r
= bus_call_method(
4388 "ss", unit
, job_mode
?: "fail");
4390 if (sd_bus_error_has_names(error
, BUS_ERROR_NO_SUCH_UNIT
,
4391 BUS_ERROR_LOAD_FAILED
)) {
4394 sd_bus_error_free(error
);
4401 return strdup_job(reply
, ret_job
);
4404 int manager_abandon_scope(Manager
*manager
, const char *scope
, sd_bus_error
*ret_error
) {
4405 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
4406 _cleanup_free_
char *path
= NULL
;
4412 path
= unit_dbus_path_from_name(scope
);
4416 r
= sd_bus_call_method(
4418 "org.freedesktop.systemd1",
4420 "org.freedesktop.systemd1.Scope",
4426 if (sd_bus_error_has_names(&error
, BUS_ERROR_NO_SUCH_UNIT
,
4427 BUS_ERROR_LOAD_FAILED
,
4428 BUS_ERROR_SCOPE_NOT_RUNNING
))
4431 sd_bus_error_move(ret_error
, &error
);
4438 int manager_kill_unit(Manager
*manager
, const char *unit
, KillWho who
, int signo
, sd_bus_error
*error
) {
4442 return bus_call_method(
4448 "ssi", unit
, who
== KILL_LEADER
? "main" : "all", signo
);
4451 int manager_unit_is_active(Manager
*manager
, const char *unit
, sd_bus_error
*ret_error
) {
4452 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
4453 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
4454 _cleanup_free_
char *path
= NULL
;
4461 path
= unit_dbus_path_from_name(unit
);
4465 r
= sd_bus_get_property(
4467 "org.freedesktop.systemd1",
4469 "org.freedesktop.systemd1.Unit",
4475 /* systemd might have dropped off momentarily, let's
4476 * not make this an error */
4477 if (sd_bus_error_has_names(&error
, SD_BUS_ERROR_NO_REPLY
,
4478 SD_BUS_ERROR_DISCONNECTED
))
4481 /* If the unit is already unloaded then it's not
4483 if (sd_bus_error_has_names(&error
, BUS_ERROR_NO_SUCH_UNIT
,
4484 BUS_ERROR_LOAD_FAILED
))
4487 sd_bus_error_move(ret_error
, &error
);
4491 r
= sd_bus_message_read(reply
, "s", &state
);
4495 return !STR_IN_SET(state
, "inactive", "failed");
4498 int manager_job_is_active(Manager
*manager
, const char *path
, sd_bus_error
*ret_error
) {
4499 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
4500 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
4506 r
= sd_bus_get_property(
4508 "org.freedesktop.systemd1",
4510 "org.freedesktop.systemd1.Job",
4516 if (sd_bus_error_has_names(&error
, SD_BUS_ERROR_NO_REPLY
,
4517 SD_BUS_ERROR_DISCONNECTED
))
4520 if (sd_bus_error_has_name(&error
, SD_BUS_ERROR_UNKNOWN_OBJECT
))
4523 sd_bus_error_move(ret_error
, &error
);
4527 /* We don't actually care about the state really. The fact
4528 * that we could read the job state is enough for us */