1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2011 Lennart Poettering
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
28 #include <sys/ioctl.h>
31 #include "sd-messages.h"
33 #include "alloc-util.h"
34 #include "audit-util.h"
35 #include "bus-error.h"
41 #include "formats-util.h"
43 #include "logind-session.h"
45 #include "parse-util.h"
46 #include "path-util.h"
47 #include "string-table.h"
48 #include "terminal-util.h"
49 #include "user-util.h"
52 #define RELEASE_USEC (20*USEC_PER_SEC)
54 static void session_remove_fifo(Session
*s
);
56 Session
* session_new(Manager
*m
, const char *id
) {
61 assert(session_id_valid(id
));
67 s
->state_file
= strappend("/run/systemd/sessions/", id
);
73 s
->devices
= hashmap_new(&devt_hash_ops
);
80 s
->id
= basename(s
->state_file
);
82 if (hashmap_put(m
->sessions
, s
->id
, s
) < 0) {
83 hashmap_free(s
->devices
);
96 void session_free(Session
*s
) {
102 LIST_REMOVE(gc_queue
, s
->manager
->session_gc_queue
, s
);
104 s
->timer_event_source
= sd_event_source_unref(s
->timer_event_source
);
106 session_remove_fifo(s
);
108 session_drop_controller(s
);
110 while ((sd
= hashmap_first(s
->devices
)))
111 session_device_free(sd
);
113 hashmap_free(s
->devices
);
116 LIST_REMOVE(sessions_by_user
, s
->user
->sessions
, s
);
118 if (s
->user
->display
== s
)
119 s
->user
->display
= NULL
;
123 if (s
->seat
->active
== s
)
124 s
->seat
->active
= NULL
;
125 if (s
->seat
->pending_switch
== s
)
126 s
->seat
->pending_switch
= NULL
;
128 seat_evict_position(s
->seat
, s
);
129 LIST_REMOVE(sessions_by_seat
, s
->seat
->sessions
, s
);
133 hashmap_remove(s
->manager
->session_units
, s
->scope
);
139 sd_bus_message_unref(s
->create_message
);
143 free(s
->remote_host
);
144 free(s
->remote_user
);
148 hashmap_remove(s
->manager
->sessions
, s
->id
);
154 void session_set_user(Session
*s
, User
*u
) {
159 LIST_PREPEND(sessions_by_user
, u
->sessions
, s
);
162 int session_save(Session
*s
) {
163 _cleanup_free_
char *temp_path
= NULL
;
164 _cleanup_fclose_
FILE *f
= NULL
;
175 r
= mkdir_safe_label("/run/systemd/sessions", 0755, 0, 0);
179 r
= fopen_temporary(s
->state_file
, &f
, &temp_path
);
185 fchmod(fileno(f
), 0644);
188 "# This is private data. Do not parse.\n"
196 session_is_active(s
),
197 session_state_to_string(session_get_state(s
)),
201 fprintf(f
, "TYPE=%s\n", session_type_to_string(s
->type
));
204 fprintf(f
, "CLASS=%s\n", session_class_to_string(s
->class));
207 fprintf(f
, "SCOPE=%s\n", s
->scope
);
209 fprintf(f
, "SCOPE_JOB=%s\n", s
->scope_job
);
212 fprintf(f
, "FIFO=%s\n", s
->fifo_path
);
215 fprintf(f
, "SEAT=%s\n", s
->seat
->id
);
218 fprintf(f
, "TTY=%s\n", s
->tty
);
221 fprintf(f
, "DISPLAY=%s\n", s
->display
);
223 if (s
->remote_host
) {
224 _cleanup_free_
char *escaped
;
226 escaped
= cescape(s
->remote_host
);
232 fprintf(f
, "REMOTE_HOST=%s\n", escaped
);
235 if (s
->remote_user
) {
236 _cleanup_free_
char *escaped
;
238 escaped
= cescape(s
->remote_user
);
244 fprintf(f
, "REMOTE_USER=%s\n", escaped
);
248 _cleanup_free_
char *escaped
;
250 escaped
= cescape(s
->service
);
256 fprintf(f
, "SERVICE=%s\n", escaped
);
260 _cleanup_free_
char *escaped
;
263 escaped
= cescape(s
->desktop
);
269 fprintf(f
, "DESKTOP=%s\n", escaped
);
272 if (s
->seat
&& seat_has_vts(s
->seat
))
273 fprintf(f
, "VTNR=%u\n", s
->vtnr
);
276 fprintf(f
, "POSITION=%u\n", s
->position
);
279 fprintf(f
, "LEADER="PID_FMT
"\n", s
->leader
);
282 fprintf(f
, "AUDIT=%"PRIu32
"\n", s
->audit_id
);
284 if (dual_timestamp_is_set(&s
->timestamp
))
286 "REALTIME="USEC_FMT
"\n"
287 "MONOTONIC="USEC_FMT
"\n",
288 s
->timestamp
.realtime
,
289 s
->timestamp
.monotonic
);
292 fprintf(f
, "CONTROLLER=%s\n", s
->controller
);
294 r
= fflush_and_check(f
);
298 if (rename(temp_path
, s
->state_file
) < 0) {
306 (void) unlink(s
->state_file
);
309 (void) unlink(temp_path
);
311 return log_error_errno(r
, "Failed to save session data %s: %m", s
->state_file
);
315 int session_load(Session
*s
) {
316 _cleanup_free_
char *remote
= NULL
,
333 r
= parse_env_file(s
->state_file
, NEWLINE
,
336 "SCOPE_JOB", &s
->scope_job
,
337 "FIFO", &s
->fifo_path
,
340 "DISPLAY", &s
->display
,
341 "REMOTE_HOST", &s
->remote_host
,
342 "REMOTE_USER", &s
->remote_user
,
343 "SERVICE", &s
->service
,
344 "DESKTOP", &s
->desktop
,
347 "POSITION", &position
,
352 "REALTIME", &realtime
,
353 "MONOTONIC", &monotonic
,
354 "CONTROLLER", &controller
,
358 return log_error_errno(r
, "Failed to read %s: %m", s
->state_file
);
365 log_error("UID not specified for session %s", s
->id
);
369 r
= parse_uid(uid
, &u
);
371 log_error("Failed to parse UID value %s for session %s.", uid
, s
->id
);
375 user
= hashmap_get(s
->manager
->users
, UID_TO_PTR(u
));
377 log_error("User of session %s not known.", s
->id
);
381 session_set_user(s
, user
);
385 k
= parse_boolean(remote
);
391 safe_atou(vtnr
, &s
->vtnr
);
393 if (seat
&& !s
->seat
) {
396 o
= hashmap_get(s
->manager
->seats
, seat
);
398 r
= seat_attach_session(o
, s
);
400 log_error("Cannot attach session %s to seat %s", s
->id
, seat
);
403 if (!s
->seat
|| !seat_has_vts(s
->seat
))
406 if (position
&& s
->seat
) {
409 safe_atou(position
, &npos
);
410 seat_claim_position(s
->seat
, s
, npos
);
414 k
= parse_pid(leader
, &s
->leader
);
416 audit_session_from_pid(s
->leader
, &s
->audit_id
);
422 t
= session_type_from_string(type
);
430 c
= session_class_from_string(class);
435 if (state
&& streq(state
, "closing"))
441 /* If we open an unopened pipe for reading we will not
442 get an EOF. to trigger an EOF we hence open it for
443 writing, but close it right away which then will
444 trigger the EOF. This will happen immediately if no
445 other process has the FIFO open for writing, i. e.
446 when the session died before logind (re)started. */
448 fd
= session_create_fifo(s
);
453 unsigned long long l
;
454 if (sscanf(realtime
, "%llu", &l
) > 0)
455 s
->timestamp
.realtime
= l
;
459 unsigned long long l
;
460 if (sscanf(monotonic
, "%llu", &l
) > 0)
461 s
->timestamp
.monotonic
= l
;
465 if (bus_name_has_owner(s
->manager
->bus
, controller
, NULL
) > 0)
466 session_set_controller(s
, controller
, false);
468 session_restore_vt(s
);
474 int session_activate(Session
*s
) {
475 unsigned int num_pending
;
483 if (s
->seat
->active
== s
)
486 /* on seats with VTs, we let VTs manage session-switching */
487 if (seat_has_vts(s
->seat
)) {
491 return chvt(s
->vtnr
);
494 /* On seats without VTs, we implement session-switching in logind. We
495 * try to pause all session-devices and wait until the session
496 * controller acknowledged them. Once all devices are asleep, we simply
497 * switch the active session and be done.
498 * We save the session we want to switch to in seat->pending_switch and
499 * seat_complete_switch() will perform the final switch. */
501 s
->seat
->pending_switch
= s
;
503 /* if no devices are running, immediately perform the session switch */
504 num_pending
= session_device_try_pause_all(s
);
506 seat_complete_switch(s
->seat
);
511 static int session_start_scope(Session
*s
) {
518 _cleanup_bus_error_free_ sd_bus_error error
= SD_BUS_ERROR_NULL
;
519 char *scope
, *job
= NULL
;
520 const char *description
;
522 scope
= strjoin("session-", s
->id
, ".scope", NULL
);
526 description
= strjoina("Session ", s
->id
, " of user ", s
->user
->name
, NULL
);
528 r
= manager_start_scope(
534 "systemd-logind.service",
535 "systemd-user-sessions.service",
536 (uint64_t) -1, /* disable TasksMax= for the scope, rely on the slice setting for it */
540 log_error_errno(r
, "Failed to start session scope %s: %s", scope
, bus_error_message(&error
, r
));
552 (void) hashmap_put(s
->manager
->session_units
, s
->scope
, s
);
557 int session_start(Session
*s
) {
568 r
= user_start(s
->user
);
573 r
= session_start_scope(s
);
577 log_struct(s
->class == SESSION_BACKGROUND
? LOG_DEBUG
: LOG_INFO
,
578 LOG_MESSAGE_ID(SD_MESSAGE_SESSION_START
),
579 "SESSION_ID=%s", s
->id
,
580 "USER_ID=%s", s
->user
->name
,
581 "LEADER="PID_FMT
, s
->leader
,
582 LOG_MESSAGE("New session %s of user %s.", s
->id
, s
->user
->name
),
585 if (!dual_timestamp_is_set(&s
->timestamp
))
586 dual_timestamp_get(&s
->timestamp
);
589 seat_read_active_vt(s
->seat
);
593 user_elect_display(s
->user
);
602 session_send_signal(s
, true);
603 user_send_changed(s
->user
, "Sessions", "Display", NULL
);
605 if (s
->seat
->active
== s
)
606 seat_send_changed(s
->seat
, "Sessions", "ActiveSession", NULL
);
608 seat_send_changed(s
->seat
, "Sessions", NULL
);
614 static int session_stop_scope(Session
*s
, bool force
) {
615 _cleanup_bus_error_free_ sd_bus_error error
= SD_BUS_ERROR_NULL
;
624 if (force
|| manager_shall_kill(s
->manager
, s
->user
->name
)) {
625 r
= manager_stop_unit(s
->manager
, s
->scope
, &error
, &job
);
627 log_error("Failed to stop session scope: %s", bus_error_message(&error
, r
));
634 r
= manager_abandon_scope(s
->manager
, s
->scope
, &error
);
636 log_error("Failed to abandon session scope: %s", bus_error_message(&error
, r
));
644 int session_stop(Session
*s
, bool force
) {
652 s
->timer_event_source
= sd_event_source_unref(s
->timer_event_source
);
655 seat_evict_position(s
->seat
, s
);
657 /* We are going down, don't care about FIFOs anymore */
658 session_remove_fifo(s
);
661 r
= session_stop_scope(s
, force
);
665 user_elect_display(s
->user
);
673 int session_finalize(Session
*s
) {
682 log_struct(s
->class == SESSION_BACKGROUND
? LOG_DEBUG
: LOG_INFO
,
683 LOG_MESSAGE_ID(SD_MESSAGE_SESSION_STOP
),
684 "SESSION_ID=%s", s
->id
,
685 "USER_ID=%s", s
->user
->name
,
686 "LEADER="PID_FMT
, s
->leader
,
687 LOG_MESSAGE("Removed session %s.", s
->id
),
690 s
->timer_event_source
= sd_event_source_unref(s
->timer_event_source
);
693 seat_evict_position(s
->seat
, s
);
695 /* Kill session devices */
696 while ((sd
= hashmap_first(s
->devices
)))
697 session_device_free(sd
);
699 (void) unlink(s
->state_file
);
700 session_add_to_gc_queue(s
);
701 user_add_to_gc_queue(s
->user
);
704 session_send_signal(s
, false);
709 if (s
->seat
->active
== s
)
710 seat_set_active(s
->seat
, NULL
);
713 seat_send_changed(s
->seat
, "Sessions", NULL
);
717 user_send_changed(s
->user
, "Sessions", "Display", NULL
);
722 static int release_timeout_callback(sd_event_source
*es
, uint64_t usec
, void *userdata
) {
723 Session
*s
= userdata
;
728 session_stop(s
, false);
732 int session_release(Session
*s
) {
735 if (!s
->started
|| s
->stopping
)
738 if (s
->timer_event_source
)
741 return sd_event_add_time(s
->manager
->event
,
742 &s
->timer_event_source
,
744 now(CLOCK_MONOTONIC
) + RELEASE_USEC
, 0,
745 release_timeout_callback
, s
);
748 bool session_is_active(Session
*s
) {
754 return s
->seat
->active
== s
;
757 static int get_tty_atime(const char *tty
, usec_t
*atime
) {
758 _cleanup_free_
char *p
= NULL
;
764 if (!path_is_absolute(tty
)) {
765 p
= strappend("/dev/", tty
);
770 } else if (!path_startswith(tty
, "/dev/"))
773 if (lstat(tty
, &st
) < 0)
776 *atime
= timespec_load(&st
.st_atim
);
780 static int get_process_ctty_atime(pid_t pid
, usec_t
*atime
) {
781 _cleanup_free_
char *p
= NULL
;
787 r
= get_ctty(pid
, NULL
, &p
);
791 return get_tty_atime(p
, atime
);
794 int session_get_idle_hint(Session
*s
, dual_timestamp
*t
) {
800 /* Explicit idle hint is set */
803 *t
= s
->idle_hint_timestamp
;
808 /* Graphical sessions should really implement a real
813 /* For sessions with an explicitly configured tty, let's check
816 r
= get_tty_atime(s
->tty
, &atime
);
821 /* For sessions with a leader but no explicitly configured
822 * tty, let's check the controlling tty of the leader */
824 r
= get_process_ctty_atime(s
->leader
, &atime
);
831 *t
= s
->idle_hint_timestamp
;
837 dual_timestamp_from_realtime(t
, atime
);
839 n
= now(CLOCK_REALTIME
);
841 if (s
->manager
->idle_action_usec
<= 0)
844 return atime
+ s
->manager
->idle_action_usec
<= n
;
847 void session_set_idle_hint(Session
*s
, bool b
) {
850 if (s
->idle_hint
== b
)
854 dual_timestamp_get(&s
->idle_hint_timestamp
);
856 session_send_changed(s
, "IdleHint", "IdleSinceHint", "IdleSinceHintMonotonic", NULL
);
859 seat_send_changed(s
->seat
, "IdleHint", "IdleSinceHint", "IdleSinceHintMonotonic", NULL
);
861 user_send_changed(s
->user
, "IdleHint", "IdleSinceHint", "IdleSinceHintMonotonic", NULL
);
862 manager_send_changed(s
->manager
, "IdleHint", "IdleSinceHint", "IdleSinceHintMonotonic", NULL
);
865 static int session_dispatch_fifo(sd_event_source
*es
, int fd
, uint32_t revents
, void *userdata
) {
866 Session
*s
= userdata
;
869 assert(s
->fifo_fd
== fd
);
871 /* EOF on the FIFO means the session died abnormally. */
873 session_remove_fifo(s
);
874 session_stop(s
, false);
879 int session_create_fifo(Session
*s
) {
886 r
= mkdir_safe_label("/run/systemd/sessions", 0755, 0, 0);
890 if (asprintf(&s
->fifo_path
, "/run/systemd/sessions/%s.ref", s
->id
) < 0)
893 if (mkfifo(s
->fifo_path
, 0600) < 0 && errno
!= EEXIST
)
897 /* Open reading side */
898 if (s
->fifo_fd
< 0) {
899 s
->fifo_fd
= open(s
->fifo_path
, O_RDONLY
|O_CLOEXEC
|O_NDELAY
);
905 if (!s
->fifo_event_source
) {
906 r
= sd_event_add_io(s
->manager
->event
, &s
->fifo_event_source
, s
->fifo_fd
, 0, session_dispatch_fifo
, s
);
910 r
= sd_event_source_set_priority(s
->fifo_event_source
, SD_EVENT_PRIORITY_IDLE
);
915 /* Open writing side */
916 r
= open(s
->fifo_path
, O_WRONLY
|O_CLOEXEC
|O_NDELAY
);
923 static void session_remove_fifo(Session
*s
) {
926 s
->fifo_event_source
= sd_event_source_unref(s
->fifo_event_source
);
927 s
->fifo_fd
= safe_close(s
->fifo_fd
);
930 unlink(s
->fifo_path
);
931 s
->fifo_path
= mfree(s
->fifo_path
);
935 bool session_check_gc(Session
*s
, bool drop_not_started
) {
938 if (drop_not_started
&& !s
->started
)
944 if (s
->fifo_fd
>= 0) {
945 if (pipe_eof(s
->fifo_fd
) <= 0)
949 if (s
->scope_job
&& manager_job_is_active(s
->manager
, s
->scope_job
))
952 if (s
->scope
&& manager_unit_is_active(s
->manager
, s
->scope
))
958 void session_add_to_gc_queue(Session
*s
) {
964 LIST_PREPEND(gc_queue
, s
->manager
->session_gc_queue
, s
);
965 s
->in_gc_queue
= true;
968 SessionState
session_get_state(Session
*s
) {
971 /* always check closing first */
972 if (s
->stopping
|| s
->timer_event_source
)
973 return SESSION_CLOSING
;
975 if (s
->scope_job
|| s
->fifo_fd
< 0)
976 return SESSION_OPENING
;
978 if (session_is_active(s
))
979 return SESSION_ACTIVE
;
981 return SESSION_ONLINE
;
984 int session_kill(Session
*s
, KillWho who
, int signo
) {
990 return manager_kill_unit(s
->manager
, s
->scope
, who
, signo
, NULL
);
993 static int session_open_vt(Session
*s
) {
994 char path
[sizeof("/dev/tty") + DECIMAL_STR_MAX(s
->vtnr
)];
1002 sprintf(path
, "/dev/tty%u", s
->vtnr
);
1003 s
->vtfd
= open_terminal(path
, O_RDWR
| O_CLOEXEC
| O_NONBLOCK
| O_NOCTTY
);
1005 return log_error_errno(s
->vtfd
, "cannot open VT %s of session %s: %m", path
, s
->id
);
1010 int session_prepare_vt(Session
*s
) {
1012 struct vt_mode mode
= { 0 };
1017 vt
= session_open_vt(s
);
1021 r
= fchown(vt
, s
->user
->uid
, -1);
1023 r
= log_error_errno(errno
,
1024 "Cannot change owner of /dev/tty%u: %m",
1029 r
= ioctl(vt
, KDSKBMODE
, K_OFF
);
1031 r
= log_error_errno(errno
,
1032 "Cannot set K_OFF on /dev/tty%u: %m",
1037 r
= ioctl(vt
, KDSETMODE
, KD_GRAPHICS
);
1039 r
= log_error_errno(errno
,
1040 "Cannot set KD_GRAPHICS on /dev/tty%u: %m",
1045 /* Oh, thanks to the VT layer, VT_AUTO does not work with KD_GRAPHICS.
1046 * So we need a dummy handler here which just acknowledges *all* VT
1047 * switch requests. */
1048 mode
.mode
= VT_PROCESS
;
1049 mode
.relsig
= SIGRTMIN
;
1050 mode
.acqsig
= SIGRTMIN
+ 1;
1051 r
= ioctl(vt
, VT_SETMODE
, &mode
);
1053 r
= log_error_errno(errno
,
1054 "Cannot set VT_PROCESS on /dev/tty%u: %m",
1062 session_restore_vt(s
);
1066 void session_restore_vt(Session
*s
) {
1068 static const struct vt_mode mode
= {
1072 _cleanup_free_
char *utf8
= NULL
;
1075 /* We need to get a fresh handle to the virtual terminal,
1076 * since the old file-descriptor is potentially in a hung-up
1077 * state after the controlling process exited; we do a
1078 * little dance to avoid having the terminal be available
1079 * for reuse before we've cleaned it up.
1084 vt
= session_open_vt(s
);
1090 (void) ioctl(vt
, KDSETMODE
, KD_TEXT
);
1092 if (read_one_line_file("/sys/module/vt/parameters/default_utf8", &utf8
) >= 0 && *utf8
== '1')
1097 (void) ioctl(vt
, KDSKBMODE
, kb
);
1099 (void) ioctl(vt
, VT_SETMODE
, &mode
);
1100 (void) fchown(vt
, 0, (gid_t
) -1);
1102 s
->vtfd
= safe_close(s
->vtfd
);
1105 void session_leave_vt(Session
*s
) {
1110 /* This is called whenever we get a VT-switch signal from the kernel.
1111 * We acknowledge all of them unconditionally. Note that session are
1112 * free to overwrite those handlers and we only register them for
1113 * sessions with controllers. Legacy sessions are not affected.
1114 * However, if we switch from a non-legacy to a legacy session, we must
1115 * make sure to pause all device before acknowledging the switch. We
1116 * process the real switch only after we are notified via sysfs, so the
1117 * legacy session might have already started using the devices. If we
1118 * don't pause the devices before the switch, we might confuse the
1119 * session we switch to. */
1124 session_device_pause_all(s
);
1125 r
= ioctl(s
->vtfd
, VT_RELDISP
, 1);
1127 log_debug_errno(errno
, "Cannot release VT of session %s: %m", s
->id
);
1130 bool session_is_controller(Session
*s
, const char *sender
) {
1133 return streq_ptr(s
->controller
, sender
);
1136 static void session_release_controller(Session
*s
, bool notify
) {
1137 _cleanup_free_
char *name
= NULL
;
1143 name
= s
->controller
;
1145 /* By resetting the controller before releasing the devices, we won't
1146 * send notification signals. This avoids sending useless notifications
1147 * if the controller is released on disconnects. */
1149 s
->controller
= NULL
;
1151 while ((sd
= hashmap_first(s
->devices
)))
1152 session_device_free(sd
);
1154 s
->controller
= NULL
;
1155 s
->track
= sd_bus_track_unref(s
->track
);
1158 static int on_bus_track(sd_bus_track
*track
, void *userdata
) {
1159 Session
*s
= userdata
;
1164 session_drop_controller(s
);
1169 int session_set_controller(Session
*s
, const char *sender
, bool force
) {
1170 _cleanup_free_
char *name
= NULL
;
1176 if (session_is_controller(s
, sender
))
1178 if (s
->controller
&& !force
)
1181 name
= strdup(sender
);
1185 s
->track
= sd_bus_track_unref(s
->track
);
1186 r
= sd_bus_track_new(s
->manager
->bus
, &s
->track
, on_bus_track
, s
);
1190 r
= sd_bus_track_add_name(s
->track
, name
);
1194 /* When setting a session controller, we forcibly mute the VT and set
1195 * it into graphics-mode. Applications can override that by changing
1196 * VT state after calling TakeControl(). However, this serves as a good
1197 * default and well-behaving controllers can now ignore VTs entirely.
1198 * Note that we reset the VT on ReleaseControl() and if the controller
1200 * If logind crashes/restarts, we restore the controller during restart
1201 * or reset the VT in case it crashed/exited, too. */
1202 r
= session_prepare_vt(s
);
1204 s
->track
= sd_bus_track_unref(s
->track
);
1208 session_release_controller(s
, true);
1209 s
->controller
= name
;
1216 void session_drop_controller(Session
*s
) {
1222 s
->track
= sd_bus_track_unref(s
->track
);
1223 session_release_controller(s
, false);
1225 session_restore_vt(s
);
1228 static const char* const session_state_table
[_SESSION_STATE_MAX
] = {
1229 [SESSION_OPENING
] = "opening",
1230 [SESSION_ONLINE
] = "online",
1231 [SESSION_ACTIVE
] = "active",
1232 [SESSION_CLOSING
] = "closing"
1235 DEFINE_STRING_TABLE_LOOKUP(session_state
, SessionState
);
1237 static const char* const session_type_table
[_SESSION_TYPE_MAX
] = {
1238 [SESSION_UNSPECIFIED
] = "unspecified",
1239 [SESSION_TTY
] = "tty",
1240 [SESSION_X11
] = "x11",
1241 [SESSION_WAYLAND
] = "wayland",
1242 [SESSION_MIR
] = "mir",
1243 [SESSION_WEB
] = "web",
1246 DEFINE_STRING_TABLE_LOOKUP(session_type
, SessionType
);
1248 static const char* const session_class_table
[_SESSION_CLASS_MAX
] = {
1249 [SESSION_USER
] = "user",
1250 [SESSION_GREETER
] = "greeter",
1251 [SESSION_LOCK_SCREEN
] = "lock-screen",
1252 [SESSION_BACKGROUND
] = "background"
1255 DEFINE_STRING_TABLE_LOOKUP(session_class
, SessionClass
);
1257 static const char* const kill_who_table
[_KILL_WHO_MAX
] = {
1258 [KILL_LEADER
] = "leader",
1262 DEFINE_STRING_TABLE_LOOKUP(kill_who
, KillWho
);