2 This file is part of systemd.
4 Copyright 2011 Lennart Poettering
6 systemd is free software; you can redistribute it and/or modify it
7 under the terms of the GNU Lesser General Public License as published by
8 the Free Software Foundation; either version 2.1 of the License, or
9 (at your option) any later version.
11 systemd is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with systemd; If not, see <http://www.gnu.org/licenses/>.
25 #include "sd-messages.h"
27 #include "alloc-util.h"
28 #include "audit-util.h"
29 #include "bus-common-errors.h"
30 #include "bus-error.h"
32 #include "dirent-util.h"
33 //#include "efivars.h"
36 #include "fileio-label.h"
37 #include "formats-util.h"
41 #include "path-util.h"
42 #include "process-util.h"
43 #include "selinux-util.h"
44 //#include "sleep-config.h"
45 //#include "special.h"
47 #include "terminal-util.h"
48 #include "udev-util.h"
49 #include "unit-name.h"
50 #include "user-util.h"
51 //#include "utmp-wtmp.h"
53 int manager_get_session_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Session **ret) {
54 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
63 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_SESSION|SD_BUS_CREDS_AUGMENT, &creds);
67 r = sd_bus_creds_get_session(creds, &name);
72 session = hashmap_get(m->sessions, name);
74 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
80 int manager_get_user_from_creds(Manager *m, sd_bus_message *message, uid_t uid, sd_bus_error *error, User **ret) {
88 if (uid == UID_INVALID) {
89 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
91 /* Note that we get the owner UID of the session, not the actual client UID here! */
92 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds);
96 r = sd_bus_creds_get_owner_uid(creds, &uid);
101 user = hashmap_get(m->users, UID_TO_PTR(uid));
103 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user "UID_FMT" known or logged in", uid);
109 int manager_get_seat_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Seat **ret) {
120 r = manager_get_session_from_creds(m, message, NULL, error, &session);
124 seat = session->seat;
126 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "Session has no seat.");
128 seat = hashmap_get(m->seats, name);
130 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name);
137 static int property_get_idle_hint(
140 const char *interface,
141 const char *property,
142 sd_bus_message *reply,
144 sd_bus_error *error) {
146 Manager *m = userdata;
152 return sd_bus_message_append(reply, "b", manager_get_idle_hint(m, NULL) > 0);
155 static int property_get_idle_since_hint(
158 const char *interface,
159 const char *property,
160 sd_bus_message *reply,
162 sd_bus_error *error) {
164 Manager *m = userdata;
165 dual_timestamp t = DUAL_TIMESTAMP_NULL;
171 manager_get_idle_hint(m, &t);
173 return sd_bus_message_append(reply, "t", streq(property, "IdleSinceHint") ? t.realtime : t.monotonic);
176 static int property_get_inhibited(
179 const char *interface,
180 const char *property,
181 sd_bus_message *reply,
183 sd_bus_error *error) {
185 Manager *m = userdata;
192 w = manager_inhibit_what(m, streq(property, "BlockInhibited") ? INHIBIT_BLOCK : INHIBIT_DELAY);
194 return sd_bus_message_append(reply, "s", inhibit_what_to_string(w));
197 static int property_get_preparing(
200 const char *interface,
201 const char *property,
202 sd_bus_message *reply,
204 sd_bus_error *error) {
206 Manager *m = userdata;
213 if (streq(property, "PreparingForShutdown"))
214 b = !!(m->action_what & INHIBIT_SHUTDOWN);
216 b = !!(m->action_what & INHIBIT_SLEEP);
218 return sd_bus_message_append(reply, "b", b);
221 static int property_get_scheduled_shutdown(
224 const char *interface,
225 const char *property,
226 sd_bus_message *reply,
228 sd_bus_error *error) {
230 Manager *m = userdata;
237 r = sd_bus_message_open_container(reply, 'r', "st");
241 r = sd_bus_message_append(reply, "st", m->scheduled_shutdown_type, m->scheduled_shutdown_timeout);
245 return sd_bus_message_close_container(reply);
248 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_handle_action, handle_action, HandleAction);
250 static int property_get_docked(
253 const char *interface,
254 const char *property,
255 sd_bus_message *reply,
257 sd_bus_error *error) {
259 Manager *m = userdata;
265 return sd_bus_message_append(reply, "b", manager_is_docked_or_external_displays(m));
268 static int property_get_current_sessions(
271 const char *interface,
272 const char *property,
273 sd_bus_message *reply,
275 sd_bus_error *error) {
277 Manager *m = userdata;
283 return sd_bus_message_append(reply, "t", (uint64_t) hashmap_size(m->sessions));
286 static int method_get_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
287 _cleanup_free_ char *p = NULL;
288 Manager *m = userdata;
296 r = sd_bus_message_read(message, "s", &name);
300 r = manager_get_session_from_creds(m, message, name, error, &session);
304 p = session_bus_path(session);
308 return sd_bus_reply_method_return(message, "o", p);
311 static int method_get_session_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) {
312 _cleanup_free_ char *p = NULL;
313 Session *session = NULL;
314 Manager *m = userdata;
321 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
323 r = sd_bus_message_read(message, "u", &pid);
330 r = manager_get_session_from_creds(m, message, NULL, error, &session);
334 r = manager_get_session_by_pid(m, pid, &session);
339 return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, "PID "PID_FMT" does not belong to any known session", pid);
342 p = session_bus_path(session);
346 return sd_bus_reply_method_return(message, "o", p);
349 static int method_get_user(sd_bus_message *message, void *userdata, sd_bus_error *error) {
350 _cleanup_free_ char *p = NULL;
351 Manager *m = userdata;
359 r = sd_bus_message_read(message, "u", &uid);
363 r = manager_get_user_from_creds(m, message, uid, error, &user);
367 p = user_bus_path(user);
371 return sd_bus_reply_method_return(message, "o", p);
374 static int method_get_user_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) {
375 _cleanup_free_ char *p = NULL;
376 Manager *m = userdata;
384 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
386 r = sd_bus_message_read(message, "u", &pid);
393 r = manager_get_user_from_creds(m, message, UID_INVALID, error, &user);
397 r = manager_get_user_by_pid(m, pid, &user);
401 return sd_bus_error_setf(error, BUS_ERROR_NO_USER_FOR_PID, "PID "PID_FMT" does not belong to any known or logged in user", pid);
404 p = user_bus_path(user);
408 return sd_bus_reply_method_return(message, "o", p);
411 static int method_get_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) {
412 _cleanup_free_ char *p = NULL;
413 Manager *m = userdata;
421 r = sd_bus_message_read(message, "s", &name);
425 r = manager_get_seat_from_creds(m, message, name, error, &seat);
429 p = seat_bus_path(seat);
433 return sd_bus_reply_method_return(message, "o", p);
436 static int method_list_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) {
437 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
438 Manager *m = userdata;
446 r = sd_bus_message_new_method_return(message, &reply);
450 r = sd_bus_message_open_container(reply, 'a', "(susso)");
454 HASHMAP_FOREACH(session, m->sessions, i) {
455 _cleanup_free_ char *p = NULL;
457 p = session_bus_path(session);
461 r = sd_bus_message_append(reply, "(susso)",
463 (uint32_t) session->user->uid,
465 session->seat ? session->seat->id : "",
471 r = sd_bus_message_close_container(reply);
475 return sd_bus_send(NULL, reply, NULL);
478 static int method_list_users(sd_bus_message *message, void *userdata, sd_bus_error *error) {
479 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
480 Manager *m = userdata;
488 r = sd_bus_message_new_method_return(message, &reply);
492 r = sd_bus_message_open_container(reply, 'a', "(uso)");
496 HASHMAP_FOREACH(user, m->users, i) {
497 _cleanup_free_ char *p = NULL;
499 p = user_bus_path(user);
503 r = sd_bus_message_append(reply, "(uso)",
504 (uint32_t) user->uid,
511 r = sd_bus_message_close_container(reply);
515 return sd_bus_send(NULL, reply, NULL);
518 static int method_list_seats(sd_bus_message *message, void *userdata, sd_bus_error *error) {
519 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
520 Manager *m = userdata;
528 r = sd_bus_message_new_method_return(message, &reply);
532 r = sd_bus_message_open_container(reply, 'a', "(so)");
536 HASHMAP_FOREACH(seat, m->seats, i) {
537 _cleanup_free_ char *p = NULL;
539 p = seat_bus_path(seat);
543 r = sd_bus_message_append(reply, "(so)", seat->id, p);
548 r = sd_bus_message_close_container(reply);
552 return sd_bus_send(NULL, reply, NULL);
555 static int method_list_inhibitors(sd_bus_message *message, void *userdata, sd_bus_error *error) {
556 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
557 Manager *m = userdata;
558 Inhibitor *inhibitor;
565 r = sd_bus_message_new_method_return(message, &reply);
569 r = sd_bus_message_open_container(reply, 'a', "(ssssuu)");
573 HASHMAP_FOREACH(inhibitor, m->inhibitors, i) {
575 r = sd_bus_message_append(reply, "(ssssuu)",
576 strempty(inhibit_what_to_string(inhibitor->what)),
577 strempty(inhibitor->who),
578 strempty(inhibitor->why),
579 strempty(inhibit_mode_to_string(inhibitor->mode)),
580 (uint32_t) inhibitor->uid,
581 (uint32_t) inhibitor->pid);
586 r = sd_bus_message_close_container(reply);
590 return sd_bus_send(NULL, reply, NULL);
593 static int method_create_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
594 const char *service, *type, *class, *cseat, *tty, *display, *remote_user, *remote_host, *desktop;
595 uint32_t audit_id = 0;
596 _cleanup_free_ char *id = NULL;
597 Session *session = NULL;
598 Manager *m = userdata;
612 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
613 assert_cc(sizeof(uid_t) == sizeof(uint32_t));
615 r = sd_bus_message_read(message, "uusssssussbss", &uid, &leader, &service, &type, &class, &desktop, &cseat, &vtnr, &tty, &display, &remote, &remote_user, &remote_host);
619 if (!uid_is_valid(uid))
620 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid UID");
621 if (leader < 0 || leader == 1)
622 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID");
625 t = _SESSION_TYPE_INVALID;
627 t = session_type_from_string(type);
629 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session type %s", type);
633 c = _SESSION_CLASS_INVALID;
635 c = session_class_from_string(class);
637 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session class %s", class);
640 if (isempty(desktop))
643 if (!string_is_safe(desktop))
644 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid desktop string %s", desktop);
650 seat = hashmap_get(m->seats, cseat);
652 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", cseat);
655 if (tty_is_vc(tty)) {
660 else if (seat != m->seat0)
661 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "TTY %s is virtual console but seat %s is not seat0", tty, seat->id);
663 v = vtnr_from_tty(tty);
665 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Cannot determine VT number from virtual console TTY %s", tty);
669 else if (vtnr != (uint32_t) v)
670 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Specified TTY and VT number do not match");
672 } else if (tty_is_console(tty)) {
676 else if (seat != m->seat0)
677 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but seat is not seat0");
680 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but VT number is not 0");
684 if (seat_has_vts(seat)) {
685 if (!vtnr || vtnr > 63)
686 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "VT number out of range");
689 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat has no VTs but VT number not 0");
693 r = sd_bus_message_enter_container(message, 'a', "(sv)");
697 if (t == _SESSION_TYPE_INVALID) {
698 if (!isempty(display))
700 else if (!isempty(tty))
703 t = SESSION_UNSPECIFIED;
706 if (c == _SESSION_CLASS_INVALID) {
707 if (t == SESSION_UNSPECIFIED)
708 c = SESSION_BACKGROUND;
714 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
716 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
720 r = sd_bus_creds_get_pid(creds, (pid_t*) &leader);
725 r = manager_get_session_by_pid(m, leader, NULL);
727 return sd_bus_error_setf(error, BUS_ERROR_SESSION_BUSY, "Already running in a session");
730 * Old gdm and lightdm start the user-session on the same VT as
731 * the greeter session. But they destroy the greeter session
732 * after the user-session and want the user-session to take
733 * over the VT. We need to support this for
734 * backwards-compatibility, so make sure we allow new sessions
735 * on a VT that a greeter is running on. Furthermore, to allow
736 * re-logins, we have to allow a greeter to take over a used VT for
737 * the exact same reasons.
739 if (c != SESSION_GREETER &&
741 vtnr < m->seat0->position_count &&
742 m->seat0->positions[vtnr] &&
743 m->seat0->positions[vtnr]->class != SESSION_GREETER)
744 return sd_bus_error_setf(error, BUS_ERROR_SESSION_BUSY, "Already occupied by a session");
746 if (hashmap_size(m->sessions) >= m->sessions_max)
747 return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Maximum number of sessions (%" PRIu64 ") reached, refusing further sessions.", m->sessions_max);
749 audit_session_from_pid(leader, &audit_id);
751 /* Keep our session IDs and the audit session IDs in sync */
753 if (asprintf(&id, "%"PRIu32, audit_id) < 0)
756 /* Wut? There's already a session by this name and we
757 * didn't find it above? Weird, then let's not trust
758 * the audit data and let's better register a new
760 if (hashmap_get(m->sessions, id)) {
761 log_warning("Existing logind session ID %s used by new audit session, ignoring", id);
772 if (asprintf(&id, "c%lu", ++m->session_counter) < 0)
775 } while (hashmap_get(m->sessions, id));
778 r = manager_add_user_by_uid(m, uid, &user);
782 r = manager_add_session(m, id, &session);
786 session_set_user(session, user);
788 session->leader = leader;
789 session->audit_id = audit_id;
792 session->remote = remote;
793 session->vtnr = vtnr;
796 session->tty = strdup(tty);
803 if (!isempty(display)) {
804 session->display = strdup(display);
805 if (!session->display) {
811 if (!isempty(remote_user)) {
812 session->remote_user = strdup(remote_user);
813 if (!session->remote_user) {
819 if (!isempty(remote_host)) {
820 session->remote_host = strdup(remote_host);
821 if (!session->remote_host) {
827 if (!isempty(service)) {
828 session->service = strdup(service);
829 if (!session->service) {
835 if (!isempty(desktop)) {
836 session->desktop = strdup(desktop);
837 if (!session->desktop) {
844 r = seat_attach_session(seat, session);
849 r = session_start(session);
853 session->create_message = sd_bus_message_ref(message);
855 /* Here upstream systemd starts cgroups and the user systemd,
856 and arranges to reply asynchronously. We reply
859 r = session_send_create_reply(session, NULL);
867 session_add_to_gc_queue(session);
870 user_add_to_gc_queue(user);
875 static int method_release_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
876 Manager *m = userdata;
884 r = sd_bus_message_read(message, "s", &name);
888 r = manager_get_session_from_creds(m, message, name, error, &session);
892 r = session_release(session);
896 session_add_to_gc_queue(session);
898 return sd_bus_reply_method_return(message, NULL);
901 static int method_activate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
902 Manager *m = userdata;
910 r = sd_bus_message_read(message, "s", &name);
914 r = manager_get_session_from_creds(m, message, name, error, &session);
918 return bus_session_method_activate(message, session, error);
921 static int method_activate_session_on_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) {
922 const char *session_name, *seat_name;
923 Manager *m = userdata;
931 /* Same as ActivateSession() but refuses to work if
932 * the seat doesn't match */
934 r = sd_bus_message_read(message, "ss", &session_name, &seat_name);
938 r = manager_get_session_from_creds(m, message, session_name, error, &session);
942 r = manager_get_seat_from_creds(m, message, seat_name, error, &seat);
946 if (session->seat != seat)
947 return sd_bus_error_setf(error, BUS_ERROR_SESSION_NOT_ON_SEAT, "Session %s not on seat %s", session_name, seat_name);
949 r = session_activate(session);
953 return sd_bus_reply_method_return(message, NULL);
956 static int method_lock_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
957 Manager *m = userdata;
965 r = sd_bus_message_read(message, "s", &name);
969 r = manager_get_session_from_creds(m, message, name, error, &session);
973 return bus_session_method_lock(message, session, error);
976 static int method_lock_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) {
977 Manager *m = userdata;
983 r = bus_verify_polkit_async(
986 "org.freedesktop.login1.lock-sessions",
995 return 1; /* Will call us back */
997 r = session_send_lock_all(m, streq(sd_bus_message_get_member(message), "LockSessions"));
1001 return sd_bus_reply_method_return(message, NULL);
1004 static int method_kill_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1006 Manager *m = userdata;
1013 r = sd_bus_message_read(message, "s", &name);
1017 r = manager_get_session_from_creds(m, message, name, error, &session);
1021 return bus_session_method_kill(message, session, error);
1024 static int method_kill_user(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1025 Manager *m = userdata;
1033 r = sd_bus_message_read(message, "u", &uid);
1037 r = manager_get_user_from_creds(m, message, uid, error, &user);
1041 return bus_user_method_kill(message, user, error);
1044 static int method_terminate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1045 Manager *m = userdata;
1053 r = sd_bus_message_read(message, "s", &name);
1057 r = manager_get_session_from_creds(m, message, name, error, &session);
1061 return bus_session_method_terminate(message, session, error);
1064 static int method_terminate_user(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1065 Manager *m = userdata;
1073 r = sd_bus_message_read(message, "u", &uid);
1077 r = manager_get_user_from_creds(m, message, uid, error, &user);
1081 return bus_user_method_terminate(message, user, error);
1084 static int method_terminate_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1085 Manager *m = userdata;
1093 r = sd_bus_message_read(message, "s", &name);
1097 r = manager_get_seat_from_creds(m, message, name, error, &seat);
1101 return bus_seat_method_terminate(message, seat, error);
1104 static int method_set_user_linger(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1105 _cleanup_free_ char *cc = NULL;
1106 Manager *m = userdata;
1107 int r, b, interactive;
1116 r = sd_bus_message_read(message, "ubb", &uid, &b, &interactive);
1120 if (uid == UID_INVALID) {
1121 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
1123 /* Note that we get the owner UID of the session, not the actual client UID here! */
1124 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds);
1128 r = sd_bus_creds_get_owner_uid(creds, &uid);
1134 } else if (!uid_is_valid(uid))
1140 return errno > 0 ? -errno : -ENOENT;
1142 r = bus_verify_polkit_async(
1145 self ? "org.freedesktop.login1.set-self-linger" : "org.freedesktop.login1.set-user-linger",
1149 &m->polkit_registry,
1154 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1156 mkdir_p_label("/var/lib/systemd", 0755);
1158 r = mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0);
1162 cc = cescape(pw->pw_name);
1166 path = strjoina("/var/lib/systemd/linger/", cc);
1174 if (manager_add_user_by_uid(m, uid, &u) >= 0)
1181 if (r < 0 && errno != ENOENT)
1184 u = hashmap_get(m->users, UID_TO_PTR(uid));
1186 user_add_to_gc_queue(u);
1189 return sd_bus_reply_method_return(message, NULL);
1192 static int trigger_device(Manager *m, struct udev_device *d) {
1193 _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
1194 struct udev_list_entry *first, *item;
1199 e = udev_enumerate_new(m->udev);
1204 r = udev_enumerate_add_match_parent(e, d);
1209 r = udev_enumerate_scan_devices(e);
1213 first = udev_enumerate_get_list_entry(e);
1214 udev_list_entry_foreach(item, first) {
1215 _cleanup_free_ char *t = NULL;
1218 p = udev_list_entry_get_name(item);
1220 t = strappend(p, "/uevent");
1224 write_string_file(t, "change", WRITE_STRING_FILE_CREATE);
1230 static int attach_device(Manager *m, const char *seat, const char *sysfs) {
1231 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
1232 _cleanup_free_ char *rule = NULL, *file = NULL;
1233 const char *id_for_seat;
1240 d = udev_device_new_from_syspath(m->udev, sysfs);
1244 if (!udev_device_has_tag(d, "seat"))
1247 id_for_seat = udev_device_get_property_value(d, "ID_FOR_SEAT");
1251 if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0)
1254 if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0)
1257 mkdir_p_label("/etc/udev/rules.d", 0755);
1258 r = write_string_file_atomic_label(file, rule);
1262 return trigger_device(m, d);
1265 static int flush_devices(Manager *m) {
1266 _cleanup_closedir_ DIR *d;
1270 d = opendir("/etc/udev/rules.d");
1272 if (errno != ENOENT)
1273 log_warning_errno(errno, "Failed to open /etc/udev/rules.d: %m");
1277 while ((de = readdir(d))) {
1279 if (!dirent_is_file(de))
1282 if (!startswith(de->d_name, "72-seat-"))
1285 if (!endswith(de->d_name, ".rules"))
1288 if (unlinkat(dirfd(d), de->d_name, 0) < 0)
1289 log_warning_errno(errno, "Failed to unlink %s: %m", de->d_name);
1293 return trigger_device(m, NULL);
1296 static int method_attach_device(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1297 const char *sysfs, *seat;
1298 Manager *m = userdata;
1304 r = sd_bus_message_read(message, "ssb", &seat, &sysfs, &interactive);
1308 if (!path_startswith(sysfs, "/sys"))
1309 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not in /sys", sysfs);
1311 if (!seat_name_is_valid(seat))
1312 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat %s is not valid", seat);
1314 r = bus_verify_polkit_async(
1317 "org.freedesktop.login1.attach-device",
1321 &m->polkit_registry,
1326 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1328 r = attach_device(m, seat, sysfs);
1332 return sd_bus_reply_method_return(message, NULL);
1335 static int method_flush_devices(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1336 Manager *m = userdata;
1342 r = sd_bus_message_read(message, "b", &interactive);
1346 r = bus_verify_polkit_async(
1349 "org.freedesktop.login1.flush-devices",
1353 &m->polkit_registry,
1358 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1360 r = flush_devices(m);
1364 return sd_bus_reply_method_return(message, NULL);
1367 static int have_multiple_sessions(
1376 /* Check for other users' sessions. Greeter sessions do not
1377 * count, and non-login sessions do not count either. */
1378 HASHMAP_FOREACH(session, m->sessions, i)
1379 if (session->class == SESSION_USER &&
1380 session->user->uid != uid)
1386 static int bus_manager_log_shutdown(
1389 #if 0 /// elogind does not support systemd units
1390 const char *unit_name) {
1397 if (w != INHIBIT_SHUTDOWN)
1400 if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) {
1401 p = "MESSAGE=System is powering down";
1402 q = "SHUTDOWN=power-off";
1403 } else if (streq(unit_name, SPECIAL_HALT_TARGET)) {
1404 p = "MESSAGE=System is halting";
1405 q = "SHUTDOWN=halt";
1406 } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) {
1407 p = "MESSAGE=System is rebooting";
1408 q = "SHUTDOWN=reboot";
1409 } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) {
1410 p = "MESSAGE=System is rebooting with kexec";
1411 q = "SHUTDOWN=kexec";
1413 p = "MESSAGE=System is shutting down";
1417 HandleAction action) {
1423 if (w != INHIBIT_SHUTDOWN)
1427 case HANDLE_POWEROFF:
1428 p = "MESSAGE=System is powering down.";
1429 q = "SHUTDOWN=power-off";
1432 p = "MESSAGE=System is halting.";
1433 q = "SHUTDOWN=halt";
1436 p = "MESSAGE=System is rebooting.";
1437 q = "SHUTDOWN=reboot";
1440 p = "MESSAGE=System is rebooting with kexec.";
1441 q = "SHUTDOWN=kexec";
1444 p = "MESSAGE=System is shutting down.";
1448 if (isempty(m->wall_message))
1449 p = strjoina(p, ".");
1451 p = strjoina(p, " (", m->wall_message, ").");
1453 return log_struct(LOG_NOTICE,
1454 LOG_MESSAGE_ID(SD_MESSAGE_SHUTDOWN),
1460 static int lid_switch_ignore_handler(sd_event_source *e, uint64_t usec, void *userdata) {
1461 Manager *m = userdata;
1466 m->lid_switch_ignore_event_source = sd_event_source_unref(m->lid_switch_ignore_event_source);
1470 int manager_set_lid_switch_ignore(Manager *m, usec_t until) {
1475 if (until <= now(CLOCK_MONOTONIC))
1478 /* We want to ignore the lid switch for a while after each
1479 * suspend, and after boot-up. Hence let's install a timer for
1480 * this. As long as the event source exists we ignore the lid
1483 if (m->lid_switch_ignore_event_source) {
1486 r = sd_event_source_get_time(m->lid_switch_ignore_event_source, &u);
1493 r = sd_event_source_set_time(m->lid_switch_ignore_event_source, until);
1495 r = sd_event_add_time(
1497 &m->lid_switch_ignore_event_source,
1500 lid_switch_ignore_handler, m);
1505 static void reset_scheduled_shutdown(Manager *m) {
1506 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
1507 m->wall_message_timeout_source = sd_event_source_unref(m->wall_message_timeout_source);
1508 m->nologin_timeout_source = sd_event_source_unref(m->nologin_timeout_source);
1509 m->scheduled_shutdown_type = mfree(m->scheduled_shutdown_type);
1510 m->scheduled_shutdown_timeout = 0;
1511 m->shutdown_dry_run = false;
1513 if (m->unlink_nologin) {
1514 (void) unlink("/run/nologin");
1515 m->unlink_nologin = false;
1519 static int execute_shutdown_or_sleep(
1522 HandleAction action,
1523 sd_bus_error *error) {
1525 #if 0 /// elogind does not need these, we do it ourselves
1526 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1534 assert(w < _INHIBIT_WHAT_MAX);
1536 bus_manager_log_shutdown(m, w, action);
1538 #if 0 /// elogind does it directly without depending on systemd running the system
1539 if (m->shutdown_dry_run) {
1540 log_info("Running in dry run, suppressing action.");
1541 reset_scheduled_shutdown(m);
1543 r = sd_bus_call_method(
1545 "org.freedesktop.systemd1",
1546 "/org/freedesktop/systemd1",
1547 "org.freedesktop.systemd1.Manager",
1551 "ss", unit_name, "replace-irreversibly");
1553 r = shutdown_or_sleep(m, action);
1555 /* no more pending actions, whether this failed or not */
1556 m->pending_action = HANDLE_IGNORE;
1562 #if 0 /// elogind neither needs a dbus reply, nor supports systemd action jobs
1563 r = sd_bus_message_read(reply, "o", &p);
1572 m->action_unit = unit_name;
1573 free(m->action_job);
1578 /* Make sure the lid switch is ignored for a while */
1579 manager_set_lid_switch_ignore(m, now(CLOCK_MONOTONIC) + m->holdoff_timeout_usec);
1584 int manager_dispatch_delayed(Manager *manager, bool timeout) {
1586 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1587 Inhibitor *offending = NULL;
1592 if ( (0 == manager->action_what) || (HANDLE_IGNORE == manager->pending_action) )
1595 if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0, &offending)) {
1596 _cleanup_free_ char *comm = NULL, *u = NULL;
1601 (void) get_process_comm(offending->pid, &comm);
1602 u = uid_to_name(offending->uid);
1604 log_notice("Delay lock is active (UID "UID_FMT"/%s, PID "PID_FMT"/%s) but inhibitor timeout is reached.",
1605 offending->uid, strna(u),
1606 offending->pid, strna(comm));
1609 /* Actually do the operation */
1610 r = execute_shutdown_or_sleep(manager, manager->action_what, manager->pending_action, &error);
1612 log_warning("Failed to send delayed message: %s", bus_error_message(&error, r));
1614 manager->pending_action = HANDLE_IGNORE;
1615 manager->action_what = 0;
1622 static int manager_inhibit_timeout_handler(
1627 Manager *manager = userdata;
1631 assert(manager->inhibit_timeout_source == s);
1633 r = manager_dispatch_delayed(manager, true);
1634 return (r < 0) ? r : 0;
1637 static int delay_shutdown_or_sleep(
1640 HandleAction action) {
1647 assert(w < _INHIBIT_WHAT_MAX);
1649 timeout_val = now(CLOCK_MONOTONIC) + m->inhibit_delay_max;
1651 if (m->inhibit_timeout_source) {
1652 r = sd_event_source_set_time(m->inhibit_timeout_source, timeout_val);
1654 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
1656 r = sd_event_source_set_enabled(m->inhibit_timeout_source, SD_EVENT_ONESHOT);
1658 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
1660 r = sd_event_add_time(m->event, &m->inhibit_timeout_source, CLOCK_MONOTONIC,
1661 timeout_val, 0, manager_inhibit_timeout_handler, m);
1666 m->pending_action = action;
1672 static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) {
1674 static const char * const signal_name[_INHIBIT_WHAT_MAX] = {
1675 [INHIBIT_SHUTDOWN] = "PrepareForShutdown",
1676 [INHIBIT_SLEEP] = "PrepareForSleep"
1679 int active = _active;
1683 assert(w < _INHIBIT_WHAT_MAX);
1684 assert(signal_name[w]);
1686 return sd_bus_emit_signal(m->bus,
1687 "/org/freedesktop/login1",
1688 "org.freedesktop.login1.Manager",
1694 int bus_manager_shutdown_or_sleep_now_or_later(
1696 HandleAction action,
1698 sd_bus_error *error) {
1705 assert(w <= _INHIBIT_WHAT_MAX);
1707 /* Tell everybody to prepare for shutdown/sleep */
1708 send_prepare_for(m, w, true);
1711 m->inhibit_delay_max > 0 &&
1712 manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0, NULL);
1715 /* Shutdown is delayed, keep in mind what we
1716 * want to do, and start a timeout */
1717 r = delay_shutdown_or_sleep(m, w, action);
1719 /* Shutdown is not delayed, execute it
1721 r = execute_shutdown_or_sleep(m, w, action, error);
1726 static int verify_shutdown_creds(
1728 sd_bus_message *message,
1732 const char *action_multiple_sessions,
1733 const char *action_ignore_inhibit,
1734 sd_bus_error *error) {
1736 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
1737 bool multiple_sessions, blocked;
1744 assert(w <= _INHIBIT_WHAT_MAX);
1746 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds);
1750 r = sd_bus_creds_get_euid(creds, &uid);
1754 r = have_multiple_sessions(m, uid);
1758 multiple_sessions = r > 0;
1759 blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
1761 if (multiple_sessions && action_multiple_sessions) {
1762 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1766 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1769 if (blocked && action_ignore_inhibit) {
1770 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1774 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1777 if (!multiple_sessions && !blocked && action) {
1778 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1782 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1788 static int method_do_shutdown_or_sleep(
1790 sd_bus_message *message,
1791 HandleAction sleep_action,
1794 const char *action_multiple_sessions,
1795 const char *action_ignore_inhibit,
1796 const char *sleep_verb,
1797 sd_bus_error *error) {
1804 assert(w <= _INHIBIT_WHAT_MAX);
1806 r = sd_bus_message_read(message, "b", &interactive);
1810 /* Don't allow multiple jobs being executed at the same time */
1812 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "There's already a shutdown or sleep operation in progress");
1815 r = can_sleep(m, sleep_verb);
1820 return sd_bus_error_setf(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, "Sleep verb not supported");
1823 r = verify_shutdown_creds(m, message, w, interactive, action, action_multiple_sessions,
1824 action_ignore_inhibit, error);
1828 r = bus_manager_shutdown_or_sleep_now_or_later(m, sleep_action, w, error);
1832 return sd_bus_reply_method_return(message, NULL);
1835 static int method_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1836 Manager *m = userdata;
1838 return method_do_shutdown_or_sleep(
1842 "org.freedesktop.login1.power-off",
1843 "org.freedesktop.login1.power-off-multiple-sessions",
1844 "org.freedesktop.login1.power-off-ignore-inhibit",
1849 static int method_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1850 Manager *m = userdata;
1852 return method_do_shutdown_or_sleep(
1856 "org.freedesktop.login1.reboot",
1857 "org.freedesktop.login1.reboot-multiple-sessions",
1858 "org.freedesktop.login1.reboot-ignore-inhibit",
1863 static int method_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1864 Manager *m = userdata;
1866 return method_do_shutdown_or_sleep(
1870 "org.freedesktop.login1.suspend",
1871 "org.freedesktop.login1.suspend-multiple-sessions",
1872 "org.freedesktop.login1.suspend-ignore-inhibit",
1877 static int nologin_timeout_handler(
1882 Manager *m = userdata;
1885 log_info("Creating /run/nologin, blocking further logins...");
1887 r = write_string_file_atomic_label("/run/nologin", "System is going down.");
1889 log_error_errno(r, "Failed to create /run/nologin: %m");
1891 m->unlink_nologin = true;
1896 static int update_schedule_file(Manager *m) {
1897 _cleanup_free_ char *temp_path = NULL;
1898 _cleanup_fclose_ FILE *f = NULL;
1903 r = mkdir_safe_label("/run/systemd/shutdown", 0755, 0, 0);
1905 return log_error_errno(r, "Failed to create shutdown subdirectory: %m");
1907 r = fopen_temporary("/run/systemd/shutdown/scheduled", &f, &temp_path);
1909 return log_error_errno(r, "Failed to save information about scheduled shutdowns: %m");
1911 (void) fchmod(fileno(f), 0644);
1917 m->scheduled_shutdown_timeout,
1918 m->enable_wall_messages,
1919 m->scheduled_shutdown_type);
1921 if (!isempty(m->wall_message)) {
1922 _cleanup_free_ char *t;
1924 t = cescape(m->wall_message);
1930 fprintf(f, "WALL_MESSAGE=%s\n", t);
1933 r = fflush_and_check(f);
1937 if (rename(temp_path, "/run/systemd/shutdown/scheduled") < 0) {
1945 (void) unlink(temp_path);
1946 (void) unlink("/run/systemd/shutdown/scheduled");
1948 return log_error_errno(r, "Failed to write information about scheduled shutdowns: %m");
1951 static int manager_scheduled_shutdown_handler(
1956 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1957 Manager *m = userdata;
1958 HandleAction action;
1963 if (isempty(m->scheduled_shutdown_type))
1966 if (streq(m->scheduled_shutdown_type, "halt"))
1967 action = HANDLE_HALT;
1968 else if (streq(m->scheduled_shutdown_type, "poweroff"))
1969 action = HANDLE_POWEROFF;
1971 action = HANDLE_REBOOT;
1973 r = execute_shutdown_or_sleep(m, 0, action, &error);
1975 return log_error_errno(r, "Unable to execute transition to %s: %m", m->scheduled_shutdown_type);
1980 static int method_schedule_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1981 Manager *m = userdata;
1982 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
1983 const char *action_multiple_sessions = NULL;
1984 const char *action_ignore_inhibit = NULL;
1985 const char *action = NULL;
1993 r = sd_bus_message_read(message, "st", &type, &elapse);
1997 if (startswith(type, "dry-")) {
1999 m->shutdown_dry_run = true;
2002 if (streq(type, "reboot")) {
2003 action = "org.freedesktop.login1.reboot";
2004 action_multiple_sessions = "org.freedesktop.login1.reboot-multiple-sessions";
2005 action_ignore_inhibit = "org.freedesktop.login1.reboot-ignore-inhibit";
2006 } else if (streq(type, "halt")) {
2007 action = "org.freedesktop.login1.halt";
2008 action_multiple_sessions = "org.freedesktop.login1.halt-multiple-sessions";
2009 action_ignore_inhibit = "org.freedesktop.login1.halt-ignore-inhibit";
2010 } else if (streq(type, "poweroff")) {
2011 action = "org.freedesktop.login1.power-off";
2012 action_multiple_sessions = "org.freedesktop.login1.power-off-multiple-sessions";
2013 action_ignore_inhibit = "org.freedesktop.login1.power-off-ignore-inhibit";
2015 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unsupported shutdown type");
2017 r = verify_shutdown_creds(m, message, INHIBIT_SHUTDOWN, false,
2018 action, action_multiple_sessions, action_ignore_inhibit, error);
2022 if (m->scheduled_shutdown_timeout_source) {
2023 r = sd_event_source_set_time(m->scheduled_shutdown_timeout_source, elapse);
2025 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
2027 r = sd_event_source_set_enabled(m->scheduled_shutdown_timeout_source, SD_EVENT_ONESHOT);
2029 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
2031 r = sd_event_add_time(m->event, &m->scheduled_shutdown_timeout_source,
2032 CLOCK_REALTIME, elapse, 0, manager_scheduled_shutdown_handler, m);
2034 return log_error_errno(r, "sd_event_add_time() failed: %m");
2037 r = free_and_strdup(&m->scheduled_shutdown_type, type);
2039 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
2043 if (m->nologin_timeout_source) {
2044 r = sd_event_source_set_time(m->nologin_timeout_source, elapse);
2046 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
2048 r = sd_event_source_set_enabled(m->nologin_timeout_source, SD_EVENT_ONESHOT);
2050 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
2052 r = sd_event_add_time(m->event, &m->nologin_timeout_source,
2053 CLOCK_REALTIME, elapse - 5 * USEC_PER_MINUTE, 0, nologin_timeout_handler, m);
2055 return log_error_errno(r, "sd_event_add_time() failed: %m");
2058 m->scheduled_shutdown_timeout = elapse;
2060 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds);
2062 const char *tty = NULL;
2064 (void) sd_bus_creds_get_uid(creds, &m->scheduled_shutdown_uid);
2065 (void) sd_bus_creds_get_tty(creds, &tty);
2067 r = free_and_strdup(&m->scheduled_shutdown_tty, tty);
2069 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
2074 #if 0 /// elogind does not support utmp-wtmp
2075 r = manager_setup_wall_message_timer(m);
2080 if (!isempty(type)) {
2081 r = update_schedule_file(m);
2085 (void) unlink("/run/systemd/shutdown/scheduled");
2087 return sd_bus_reply_method_return(message, NULL);
2090 static int method_cancel_scheduled_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2091 Manager *m = userdata;
2097 cancelled = m->scheduled_shutdown_type != NULL;
2098 reset_scheduled_shutdown(m);
2100 #if 0 /// elogind does not support utmp-wtmp
2102 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
2103 const char *tty = NULL;
2107 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds);
2109 (void) sd_bus_creds_get_uid(creds, &uid);
2110 (void) sd_bus_creds_get_tty(creds, &tty);
2113 utmp_wall("The system shutdown has been cancelled",
2114 uid_to_name(uid), tty, logind_wall_tty_filter, m);
2118 return sd_bus_reply_method_return(message, "b", cancelled);
2121 static int method_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2122 Manager *m = userdata;
2124 return method_do_shutdown_or_sleep(
2128 "org.freedesktop.login1.hibernate",
2129 "org.freedesktop.login1.hibernate-multiple-sessions",
2130 "org.freedesktop.login1.hibernate-ignore-inhibit",
2135 static int method_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2136 Manager *m = userdata;
2138 return method_do_shutdown_or_sleep(
2140 HANDLE_HYBRID_SLEEP,
2142 "org.freedesktop.login1.hibernate",
2143 "org.freedesktop.login1.hibernate-multiple-sessions",
2144 "org.freedesktop.login1.hibernate-ignore-inhibit",
2149 static int method_can_shutdown_or_sleep(
2151 sd_bus_message *message,
2154 const char *action_multiple_sessions,
2155 const char *action_ignore_inhibit,
2156 const char *sleep_verb,
2157 sd_bus_error *error) {
2159 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
2160 bool multiple_sessions, challenge, blocked;
2161 const char *result = NULL;
2168 assert(w <= _INHIBIT_WHAT_MAX);
2170 assert(action_multiple_sessions);
2171 assert(action_ignore_inhibit);
2174 r = can_sleep(m, sleep_verb);
2178 return sd_bus_reply_method_return(message, "s", "na");
2181 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds);
2185 r = sd_bus_creds_get_euid(creds, &uid);
2189 r = have_multiple_sessions(m, uid);
2193 multiple_sessions = r > 0;
2194 blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
2196 if (multiple_sessions) {
2197 r = bus_test_polkit(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, UID_INVALID, &challenge, error);
2204 result = "challenge";
2210 r = bus_test_polkit(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, UID_INVALID, &challenge, error);
2214 if (r > 0 && !result)
2216 else if (challenge && (!result || streq(result, "yes")))
2217 result = "challenge";
2222 if (!multiple_sessions && !blocked) {
2223 /* If neither inhibit nor multiple sessions
2224 * apply then just check the normal policy */
2226 r = bus_test_polkit(message, CAP_SYS_BOOT, action, NULL, UID_INVALID, &challenge, error);
2233 result = "challenge";
2238 return sd_bus_reply_method_return(message, "s", result);
2241 static int method_can_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2242 Manager *m = userdata;
2244 return method_can_shutdown_or_sleep(
2247 "org.freedesktop.login1.power-off",
2248 "org.freedesktop.login1.power-off-multiple-sessions",
2249 "org.freedesktop.login1.power-off-ignore-inhibit",
2254 static int method_can_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2255 Manager *m = userdata;
2257 return method_can_shutdown_or_sleep(
2260 "org.freedesktop.login1.reboot",
2261 "org.freedesktop.login1.reboot-multiple-sessions",
2262 "org.freedesktop.login1.reboot-ignore-inhibit",
2267 static int method_can_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2268 Manager *m = userdata;
2270 return method_can_shutdown_or_sleep(
2273 "org.freedesktop.login1.suspend",
2274 "org.freedesktop.login1.suspend-multiple-sessions",
2275 "org.freedesktop.login1.suspend-ignore-inhibit",
2280 static int method_can_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2281 Manager *m = userdata;
2283 return method_can_shutdown_or_sleep(
2286 "org.freedesktop.login1.hibernate",
2287 "org.freedesktop.login1.hibernate-multiple-sessions",
2288 "org.freedesktop.login1.hibernate-ignore-inhibit",
2293 static int method_can_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2294 Manager *m = userdata;
2296 return method_can_shutdown_or_sleep(
2299 "org.freedesktop.login1.hibernate",
2300 "org.freedesktop.login1.hibernate-multiple-sessions",
2301 "org.freedesktop.login1.hibernate-ignore-inhibit",
2306 static int property_get_reboot_to_firmware_setup(
2309 const char *interface,
2310 const char *property,
2311 sd_bus_message *reply,
2313 sd_bus_error *error) {
2314 #if 0 /// elogind does not support EFI
2321 r = efi_get_reboot_to_firmware();
2322 if (r < 0 && r != -EOPNOTSUPP)
2325 return sd_bus_message_append(reply, "b", r > 0);
2327 return sd_bus_message_append(reply, "b", -EOPNOTSUPP);
2331 static int method_set_reboot_to_firmware_setup(
2332 sd_bus_message *message,
2334 sd_bus_error *error) {
2337 Manager *m = userdata;
2342 r = sd_bus_message_read(message, "b", &b);
2346 r = bus_verify_polkit_async(message,
2348 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2352 &m->polkit_registry,
2357 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2359 #if 0 /// elogind does not support EFI
2360 r = efi_set_reboot_to_firmware(b);
2365 return sd_bus_reply_method_return(message, NULL);
2368 static int method_can_reboot_to_firmware_setup(
2369 sd_bus_message *message,
2371 sd_bus_error *error) {
2373 #if 0 /// elogind does not support EFI
2377 Manager *m = userdata;
2382 r = efi_reboot_to_firmware_supported();
2383 if (r == -EOPNOTSUPP)
2384 return sd_bus_reply_method_return(message, "s", "na");
2388 r = bus_test_polkit(message,
2390 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2401 result = "challenge";
2405 return sd_bus_reply_method_return(message, "s", result);
2407 return sd_bus_reply_method_return(message, "s", "na");
2411 static int method_set_wall_message(
2412 sd_bus_message *message,
2414 sd_bus_error *error) {
2417 Manager *m = userdata;
2419 int enable_wall_messages;
2424 r = sd_bus_message_read(message, "sb", &wall_message, &enable_wall_messages);
2428 r = bus_verify_polkit_async(message,
2430 "org.freedesktop.login1.set-wall-message",
2434 &m->polkit_registry,
2439 return 1; /* Will call us back */
2441 if (isempty(wall_message))
2442 m->wall_message = mfree(m->wall_message);
2444 r = free_and_strdup(&m->wall_message, wall_message);
2449 m->enable_wall_messages = enable_wall_messages;
2451 return sd_bus_reply_method_return(message, NULL);
2454 static int method_inhibit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2455 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
2456 const char *who, *why, *what, *mode;
2457 _cleanup_free_ char *id = NULL;
2458 _cleanup_close_ int fifo_fd = -1;
2459 Manager *m = userdata;
2460 Inhibitor *i = NULL;
2470 r = sd_bus_message_read(message, "ssss", &what, &who, &why, &mode);
2474 w = inhibit_what_from_string(what);
2476 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid what specification %s", what);
2478 mm = inhibit_mode_from_string(mode);
2480 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid mode specification %s", mode);
2482 /* Delay is only supported for shutdown/sleep */
2483 if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP)))
2484 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Delay inhibitors only supported for shutdown and sleep");
2486 /* Don't allow taking delay locks while we are already
2487 * executing the operation. We shouldn't create the impression
2488 * that the lock was successful if the machine is about to go
2489 * down/suspend any moment. */
2490 if (m->action_what & w)
2491 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "The operation inhibition has been requested for is already running");
2493 r = bus_verify_polkit_async(
2496 w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") :
2497 w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") :
2498 w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" :
2499 w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" :
2500 w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" :
2501 w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" :
2502 "org.freedesktop.login1.inhibit-handle-lid-switch",
2506 &m->polkit_registry,
2511 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2513 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID|SD_BUS_CREDS_PID, &creds);
2517 r = sd_bus_creds_get_euid(creds, &uid);
2521 r = sd_bus_creds_get_pid(creds, &pid);
2528 if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0)
2531 } while (hashmap_get(m->inhibitors, id));
2533 r = manager_add_inhibitor(m, id, &i);
2541 i->why = strdup(why);
2542 i->who = strdup(who);
2544 if (!i->why || !i->who) {
2549 fifo_fd = inhibitor_create_fifo(i);
2557 return sd_bus_reply_method_return(message, "h", fifo_fd);
2566 const sd_bus_vtable manager_vtable[] = {
2567 SD_BUS_VTABLE_START(0),
2569 SD_BUS_WRITABLE_PROPERTY("EnableWallMessages", "b", NULL, NULL, offsetof(Manager, enable_wall_messages), 0),
2570 SD_BUS_WRITABLE_PROPERTY("WallMessage", "s", NULL, NULL, offsetof(Manager, wall_message), 0),
2572 // SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), SD_BUS_VTABLE_PROPERTY_CONST),
2573 SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), SD_BUS_VTABLE_PROPERTY_CONST),
2574 SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), SD_BUS_VTABLE_PROPERTY_CONST),
2575 SD_BUS_PROPERTY("KillUserProcesses", "b", NULL, offsetof(Manager, kill_user_processes), SD_BUS_VTABLE_PROPERTY_CONST),
2576 SD_BUS_PROPERTY("RebootToFirmwareSetup", "b", property_get_reboot_to_firmware_setup, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2577 SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2578 SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2579 SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2580 SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2581 SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2582 SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL, offsetof(Manager, inhibit_delay_max), SD_BUS_VTABLE_PROPERTY_CONST),
2583 SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action, offsetof(Manager, handle_power_key), SD_BUS_VTABLE_PROPERTY_CONST),
2584 SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action, offsetof(Manager, handle_suspend_key), SD_BUS_VTABLE_PROPERTY_CONST),
2585 SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action, offsetof(Manager, handle_hibernate_key), SD_BUS_VTABLE_PROPERTY_CONST),
2586 SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch), SD_BUS_VTABLE_PROPERTY_CONST),
2587 SD_BUS_PROPERTY("HandleLidSwitchDocked", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_docked), SD_BUS_VTABLE_PROPERTY_CONST),
2588 SD_BUS_PROPERTY("HoldoffTimeoutUSec", "t", NULL, offsetof(Manager, holdoff_timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2589 SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action, offsetof(Manager, idle_action), SD_BUS_VTABLE_PROPERTY_CONST),
2590 SD_BUS_PROPERTY("IdleActionUSec", "t", NULL, offsetof(Manager, idle_action_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2591 SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing, 0, 0),
2592 SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing, 0, 0),
2593 SD_BUS_PROPERTY("ScheduledShutdown", "(st)", property_get_scheduled_shutdown, 0, 0),
2594 SD_BUS_PROPERTY("Docked", "b", property_get_docked, 0, 0),
2595 SD_BUS_PROPERTY("RemoveIPC", "b", bus_property_get_bool, offsetof(Manager, remove_ipc), SD_BUS_VTABLE_PROPERTY_CONST),
2596 SD_BUS_PROPERTY("RuntimeDirectorySize", "t", bus_property_get_size, offsetof(Manager, runtime_dir_size), SD_BUS_VTABLE_PROPERTY_CONST),
2597 SD_BUS_PROPERTY("SessionsMax", "t", NULL, offsetof(Manager, sessions_max), SD_BUS_VTABLE_PROPERTY_CONST),
2598 SD_BUS_PROPERTY("NCurrentSessions", "t", property_get_current_sessions, 0, 0),
2599 SD_BUS_PROPERTY("UserTasksMax", "t", NULL, offsetof(Manager, user_tasks_max), SD_BUS_VTABLE_PROPERTY_CONST),
2601 SD_BUS_METHOD("GetSession", "s", "o", method_get_session, SD_BUS_VTABLE_UNPRIVILEGED),
2602 SD_BUS_METHOD("GetSessionByPID", "u", "o", method_get_session_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
2603 SD_BUS_METHOD("GetUser", "u", "o", method_get_user, SD_BUS_VTABLE_UNPRIVILEGED),
2604 SD_BUS_METHOD("GetUserByPID", "u", "o", method_get_user_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
2605 SD_BUS_METHOD("GetSeat", "s", "o", method_get_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2606 SD_BUS_METHOD("ListSessions", NULL, "a(susso)", method_list_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2607 SD_BUS_METHOD("ListUsers", NULL, "a(uso)", method_list_users, SD_BUS_VTABLE_UNPRIVILEGED),
2608 SD_BUS_METHOD("ListSeats", NULL, "a(so)", method_list_seats, SD_BUS_VTABLE_UNPRIVILEGED),
2609 SD_BUS_METHOD("ListInhibitors", NULL, "a(ssssuu)", method_list_inhibitors, SD_BUS_VTABLE_UNPRIVILEGED),
2610 SD_BUS_METHOD("CreateSession", "uusssssussbssa(sv)", "soshusub", method_create_session, 0),
2611 SD_BUS_METHOD("ReleaseSession", "s", NULL, method_release_session, 0),
2612 SD_BUS_METHOD("ActivateSession", "s", NULL, method_activate_session, SD_BUS_VTABLE_UNPRIVILEGED),
2613 SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL, method_activate_session_on_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2614 SD_BUS_METHOD("LockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED),
2615 SD_BUS_METHOD("UnlockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED),
2616 SD_BUS_METHOD("LockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2617 SD_BUS_METHOD("UnlockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2618 SD_BUS_METHOD("KillSession", "ssi", NULL, method_kill_session, SD_BUS_VTABLE_UNPRIVILEGED),
2619 SD_BUS_METHOD("KillUser", "ui", NULL, method_kill_user, SD_BUS_VTABLE_UNPRIVILEGED),
2620 SD_BUS_METHOD("TerminateSession", "s", NULL, method_terminate_session, SD_BUS_VTABLE_UNPRIVILEGED),
2621 SD_BUS_METHOD("TerminateUser", "u", NULL, method_terminate_user, SD_BUS_VTABLE_UNPRIVILEGED),
2622 SD_BUS_METHOD("TerminateSeat", "s", NULL, method_terminate_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2623 SD_BUS_METHOD("SetUserLinger", "ubb", NULL, method_set_user_linger, SD_BUS_VTABLE_UNPRIVILEGED),
2624 SD_BUS_METHOD("AttachDevice", "ssb", NULL, method_attach_device, SD_BUS_VTABLE_UNPRIVILEGED),
2625 SD_BUS_METHOD("FlushDevices", "b", NULL, method_flush_devices, SD_BUS_VTABLE_UNPRIVILEGED),
2626 SD_BUS_METHOD("PowerOff", "b", NULL, method_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
2627 SD_BUS_METHOD("Reboot", "b", NULL, method_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
2628 SD_BUS_METHOD("Suspend", "b", NULL, method_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
2629 SD_BUS_METHOD("Hibernate", "b", NULL, method_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
2630 SD_BUS_METHOD("HybridSleep", "b", NULL, method_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
2631 SD_BUS_METHOD("CanPowerOff", NULL, "s", method_can_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
2632 SD_BUS_METHOD("CanReboot", NULL, "s", method_can_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
2633 SD_BUS_METHOD("CanSuspend", NULL, "s", method_can_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
2634 SD_BUS_METHOD("CanHibernate", NULL, "s", method_can_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
2635 SD_BUS_METHOD("CanHybridSleep", NULL, "s", method_can_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
2636 SD_BUS_METHOD("ScheduleShutdown", "st", NULL, method_schedule_shutdown, SD_BUS_VTABLE_UNPRIVILEGED),
2637 SD_BUS_METHOD("CancelScheduledShutdown", NULL, "b", method_cancel_scheduled_shutdown, SD_BUS_VTABLE_UNPRIVILEGED),
2638 SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit, SD_BUS_VTABLE_UNPRIVILEGED),
2639 SD_BUS_METHOD("CanRebootToFirmwareSetup", NULL, "s", method_can_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED),
2640 SD_BUS_METHOD("SetRebootToFirmwareSetup", "b", NULL, method_set_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED),
2641 SD_BUS_METHOD("SetWallMessage", "sb", NULL, method_set_wall_message, SD_BUS_VTABLE_UNPRIVILEGED),
2643 SD_BUS_SIGNAL("SessionNew", "so", 0),
2644 SD_BUS_SIGNAL("SessionRemoved", "so", 0),
2645 SD_BUS_SIGNAL("UserNew", "uo", 0),
2646 SD_BUS_SIGNAL("UserRemoved", "uo", 0),
2647 SD_BUS_SIGNAL("SeatNew", "so", 0),
2648 SD_BUS_SIGNAL("SeatRemoved", "so", 0),
2649 SD_BUS_SIGNAL("PrepareForShutdown", "b", 0),
2650 SD_BUS_SIGNAL("PrepareForSleep", "b", 0),
2655 #if 0 /// UNNEEDED by elogind
2656 static int session_jobs_reply(Session *s, const char *unit, const char *result) {
2665 if (streq(result, "done"))
2666 r = session_send_create_reply(s, NULL);
2668 _cleanup_(sd_bus_error_free) sd_bus_error e = SD_BUS_ERROR_NULL;
2670 sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result);
2671 r = session_send_create_reply(s, &e);
2677 int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2678 const char *path, *result, *unit;
2679 Manager *m = userdata;
2688 r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result);
2690 bus_log_parse_error(r);
2694 if (m->action_job && streq(m->action_job, path)) {
2695 log_info("Operation '%s' finished.", inhibit_what_to_string(m->action_what));
2697 /* Tell people that they now may take a lock again */
2698 send_prepare_for(m, m->action_what, false);
2700 m->action_job = mfree(m->action_job);
2701 m->action_unit = NULL;
2706 session = hashmap_get(m->session_units, unit);
2707 if (session && streq_ptr(path, session->scope_job)) {
2708 session->scope_job = mfree(session->scope_job);
2709 session_jobs_reply(session, unit, result);
2711 session_save(session);
2712 user_save(session->user);
2713 session_add_to_gc_queue(session);
2716 user = hashmap_get(m->user_units, unit);
2718 (streq_ptr(path, user->service_job) ||
2719 streq_ptr(path, user->slice_job))) {
2721 if (streq_ptr(path, user->service_job))
2722 user->service_job = mfree(user->service_job);
2724 if (streq_ptr(path, user->slice_job))
2725 user->slice_job = mfree(user->slice_job);
2727 LIST_FOREACH(sessions_by_user, session, user->sessions)
2728 session_jobs_reply(session, unit, result);
2731 user_add_to_gc_queue(user);
2737 int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2738 const char *path, *unit;
2739 Manager *m = userdata;
2747 r = sd_bus_message_read(message, "so", &unit, &path);
2749 bus_log_parse_error(r);
2753 session = hashmap_get(m->session_units, unit);
2755 session_add_to_gc_queue(session);
2757 user = hashmap_get(m->user_units, unit);
2759 user_add_to_gc_queue(user);
2764 int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2765 _cleanup_free_ char *unit = NULL;
2766 Manager *m = userdata;
2775 path = sd_bus_message_get_path(message);
2779 r = unit_name_from_dbus_path(path, &unit);
2780 if (r == -EINVAL) /* not a unit */
2787 session = hashmap_get(m->session_units, unit);
2789 session_add_to_gc_queue(session);
2791 user = hashmap_get(m->user_units, unit);
2793 user_add_to_gc_queue(user);
2798 int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2799 Manager *m = userdata;
2807 r = sd_bus_message_read(message, "b", &b);
2809 bus_log_parse_error(r);
2816 /* systemd finished reloading, let's recheck all our sessions */
2817 log_debug("System manager has been reloaded, rechecking sessions...");
2819 HASHMAP_FOREACH(session, m->sessions, i)
2820 session_add_to_gc_queue(session);
2826 int manager_send_changed(Manager *manager, const char *property, ...) {
2831 l = strv_from_stdarg_alloca(property);
2833 return sd_bus_emit_properties_changed_strv(
2835 "/org/freedesktop/login1",
2836 "org.freedesktop.login1.Manager",
2840 #if 0 /// UNNEEDED by elogind
2841 static int strdup_job(sd_bus_message *reply, char **job) {
2846 r = sd_bus_message_read(reply, "o", &j);
2858 int manager_start_slice(
2861 const char *description,
2865 sd_bus_error *error,
2868 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
2874 r = sd_bus_message_new_method_call(
2877 "org.freedesktop.systemd1",
2878 "/org/freedesktop/systemd1",
2879 "org.freedesktop.systemd1.Manager",
2880 "StartTransientUnit");
2884 r = sd_bus_message_append(m, "ss", strempty(slice), "fail");
2888 r = sd_bus_message_open_container(m, 'a', "(sv)");
2892 if (!isempty(description)) {
2893 r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
2898 if (!isempty(after)) {
2899 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after);
2904 if (!isempty(after2)) {
2905 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2);
2910 r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", tasks_max);
2914 r = sd_bus_message_close_container(m);
2918 r = sd_bus_message_append(m, "a(sa(sv))", 0);
2922 r = sd_bus_call(manager->bus, m, 0, error, &reply);
2927 return strdup_job(reply, job);
2931 int manager_start_scope(
2936 const char *description,
2940 sd_bus_error *error,
2943 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
2950 r = sd_bus_message_new_method_call(
2953 "org.freedesktop.systemd1",
2954 "/org/freedesktop/systemd1",
2955 "org.freedesktop.systemd1.Manager",
2956 "StartTransientUnit");
2960 r = sd_bus_message_append(m, "ss", strempty(scope), "fail");
2964 r = sd_bus_message_open_container(m, 'a', "(sv)");
2968 if (!isempty(slice)) {
2969 r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice);
2974 if (!isempty(description)) {
2975 r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
2980 if (!isempty(after)) {
2981 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after);
2986 if (!isempty(after2)) {
2987 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2);
2992 /* cgroup empty notification is not available in containers
2993 * currently. To make this less problematic, let's shorten the
2994 * stop timeout for sessions, so that we don't wait
2997 /* Make sure that the session shells are terminated with
2998 * SIGHUP since bash and friends tend to ignore SIGTERM */
2999 r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", true);
3003 r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid);
3007 r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", tasks_max);
3011 r = sd_bus_message_close_container(m);
3015 r = sd_bus_message_append(m, "a(sa(sv))", 0);
3019 r = sd_bus_call(manager->bus, m, 0, error, &reply);
3024 return strdup_job(reply, job);
3028 int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
3029 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3035 r = sd_bus_call_method(
3037 "org.freedesktop.systemd1",
3038 "/org/freedesktop/systemd1",
3039 "org.freedesktop.systemd1.Manager",
3043 "ss", unit, "replace");
3048 return strdup_job(reply, job);
3052 int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
3053 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3059 r = sd_bus_call_method(
3061 "org.freedesktop.systemd1",
3062 "/org/freedesktop/systemd1",
3063 "org.freedesktop.systemd1.Manager",
3067 "ss", unit, "fail");
3069 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
3070 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) {
3075 sd_bus_error_free(error);
3083 return strdup_job(reply, job);
3087 int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error) {
3088 _cleanup_free_ char *path = NULL;
3094 path = unit_dbus_path_from_name(scope);
3098 r = sd_bus_call_method(
3100 "org.freedesktop.systemd1",
3102 "org.freedesktop.systemd1.Scope",
3108 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
3109 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED) ||
3110 sd_bus_error_has_name(error, BUS_ERROR_SCOPE_NOT_RUNNING)) {
3111 sd_bus_error_free(error);
3121 int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) {
3125 return sd_bus_call_method(
3127 "org.freedesktop.systemd1",
3128 "/org/freedesktop/systemd1",
3129 "org.freedesktop.systemd1.Manager",
3133 "ssi", unit, who == KILL_LEADER ? "main" : "all", signo);
3136 int manager_unit_is_active(Manager *manager, const char *unit) {
3137 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3138 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3139 _cleanup_free_ char *path = NULL;
3146 path = unit_dbus_path_from_name(unit);
3150 r = sd_bus_get_property(
3152 "org.freedesktop.systemd1",
3154 "org.freedesktop.systemd1.Unit",
3160 /* systemd might have droppped off momentarily, let's
3161 * not make this an error */
3162 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
3163 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
3166 /* If the unit is already unloaded then it's not
3168 if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) ||
3169 sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED))
3175 r = sd_bus_message_read(reply, "s", &state);
3179 return !streq(state, "inactive") && !streq(state, "failed");
3182 int manager_job_is_active(Manager *manager, const char *path) {
3183 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3184 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3190 r = sd_bus_get_property(
3192 "org.freedesktop.systemd1",
3194 "org.freedesktop.systemd1.Job",
3200 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
3201 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
3204 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT))
3210 /* We don't actually care about the state really. The fact
3211 * that we could read the job state is enough for us */