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/>.
27 #include "sd-messages.h"
30 #include "path-util.h"
32 #include "sleep-config.h"
33 #include "fileio-label.h"
34 #include "unit-name.h"
37 #include "bus-error.h"
38 #include "bus-common-errors.h"
39 #include "udev-util.h"
40 #include "selinux-util.h"
43 int manager_get_session_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Session **ret) {
44 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
53 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_SESSION|SD_BUS_CREDS_AUGMENT, &creds);
57 r = sd_bus_creds_get_session(creds, &name);
62 session = hashmap_get(m->sessions, name);
64 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
70 int manager_get_user_from_creds(Manager *m, sd_bus_message *message, uid_t uid, sd_bus_error *error, User **ret) {
78 if (uid == UID_INVALID) {
79 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
81 /* Note that we get the owner UID of the session, not the actual client UID here! */
82 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds);
86 r = sd_bus_creds_get_owner_uid(creds, &uid);
91 user = hashmap_get(m->users, UID_TO_PTR(uid));
93 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user "UID_FMT" known or logged in", uid);
99 int manager_get_seat_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Seat **ret) {
110 r = manager_get_session_from_creds(m, message, NULL, error, &session);
114 seat = session->seat;
117 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "Session has no seat.");
119 seat = hashmap_get(m->seats, name);
121 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name);
128 static int property_get_idle_hint(
131 const char *interface,
132 const char *property,
133 sd_bus_message *reply,
135 sd_bus_error *error) {
137 Manager *m = userdata;
143 return sd_bus_message_append(reply, "b", manager_get_idle_hint(m, NULL) > 0);
146 static int property_get_idle_since_hint(
149 const char *interface,
150 const char *property,
151 sd_bus_message *reply,
153 sd_bus_error *error) {
155 Manager *m = userdata;
162 manager_get_idle_hint(m, &t);
164 return sd_bus_message_append(reply, "t", streq(property, "IdleSinceHint") ? t.realtime : t.monotonic);
167 static int property_get_inhibited(
170 const char *interface,
171 const char *property,
172 sd_bus_message *reply,
174 sd_bus_error *error) {
176 Manager *m = userdata;
183 w = manager_inhibit_what(m, streq(property, "BlockInhibited") ? INHIBIT_BLOCK : INHIBIT_DELAY);
185 return sd_bus_message_append(reply, "s", inhibit_what_to_string(w));
188 static int property_get_preparing(
191 const char *interface,
192 const char *property,
193 sd_bus_message *reply,
195 sd_bus_error *error) {
197 Manager *m = userdata;
204 if (streq(property, "PreparingForShutdown"))
205 b = !!(m->action_what & INHIBIT_SHUTDOWN);
207 b = !!(m->action_what & INHIBIT_SLEEP);
209 return sd_bus_message_append(reply, "b", b);
212 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_handle_action, handle_action, HandleAction);
214 static int method_get_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
215 _cleanup_free_ char *p = NULL;
216 Manager *m = userdata;
225 r = sd_bus_message_read(message, "s", &name);
229 r = manager_get_session_from_creds(m, message, name, error, &session);
233 p = session_bus_path(session);
237 return sd_bus_reply_method_return(message, "o", p);
240 static int method_get_session_by_pid(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
241 _cleanup_free_ char *p = NULL;
242 Session *session = NULL;
243 Manager *m = userdata;
251 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
253 r = sd_bus_message_read(message, "u", &pid);
258 r = manager_get_session_from_creds(m, message, NULL, error, &session);
262 r = manager_get_session_by_pid(m, pid, &session);
267 return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, "PID "PID_FMT" does not belong to any known session", pid);
270 p = session_bus_path(session);
274 return sd_bus_reply_method_return(message, "o", p);
277 static int method_get_user(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
278 _cleanup_free_ char *p = NULL;
279 Manager *m = userdata;
288 r = sd_bus_message_read(message, "u", &uid);
292 r = manager_get_user_from_creds(m, message, uid, error, &user);
296 p = user_bus_path(user);
300 return sd_bus_reply_method_return(message, "o", p);
303 static int method_get_user_by_pid(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
304 _cleanup_free_ char *p = NULL;
305 Manager *m = userdata;
314 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
316 r = sd_bus_message_read(message, "u", &pid);
321 r = manager_get_user_from_creds(m, message, UID_INVALID, error, &user);
325 r = manager_get_user_by_pid(m, pid, &user);
329 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);
332 p = user_bus_path(user);
336 return sd_bus_reply_method_return(message, "o", p);
339 static int method_get_seat(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
340 _cleanup_free_ char *p = NULL;
341 Manager *m = userdata;
350 r = sd_bus_message_read(message, "s", &name);
354 r = manager_get_seat_from_creds(m, message, name, error, &seat);
358 p = seat_bus_path(seat);
362 return sd_bus_reply_method_return(message, "o", p);
365 static int method_list_sessions(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
366 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
367 Manager *m = userdata;
376 r = sd_bus_message_new_method_return(message, &reply);
380 r = sd_bus_message_open_container(reply, 'a', "(susso)");
384 HASHMAP_FOREACH(session, m->sessions, i) {
385 _cleanup_free_ char *p = NULL;
387 p = session_bus_path(session);
391 r = sd_bus_message_append(reply, "(susso)",
393 (uint32_t) session->user->uid,
395 session->seat ? session->seat->id : "",
401 r = sd_bus_message_close_container(reply);
405 return sd_bus_send(bus, reply, NULL);
408 static int method_list_users(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
409 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
410 Manager *m = userdata;
419 r = sd_bus_message_new_method_return(message, &reply);
423 r = sd_bus_message_open_container(reply, 'a', "(uso)");
427 HASHMAP_FOREACH(user, m->users, i) {
428 _cleanup_free_ char *p = NULL;
430 p = user_bus_path(user);
434 r = sd_bus_message_append(reply, "(uso)",
435 (uint32_t) user->uid,
442 r = sd_bus_message_close_container(reply);
446 return sd_bus_send(bus, reply, NULL);
449 static int method_list_seats(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
450 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
451 Manager *m = userdata;
460 r = sd_bus_message_new_method_return(message, &reply);
464 r = sd_bus_message_open_container(reply, 'a', "(so)");
468 HASHMAP_FOREACH(seat, m->seats, i) {
469 _cleanup_free_ char *p = NULL;
471 p = seat_bus_path(seat);
475 r = sd_bus_message_append(reply, "(so)", seat->id, p);
480 r = sd_bus_message_close_container(reply);
484 return sd_bus_send(bus, reply, NULL);
487 static int method_list_inhibitors(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
488 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
489 Manager *m = userdata;
490 Inhibitor *inhibitor;
494 r = sd_bus_message_new_method_return(message, &reply);
498 r = sd_bus_message_open_container(reply, 'a', "(ssssuu)");
502 HASHMAP_FOREACH(inhibitor, m->inhibitors, i) {
504 r = sd_bus_message_append(reply, "(ssssuu)",
505 strempty(inhibit_what_to_string(inhibitor->what)),
506 strempty(inhibitor->who),
507 strempty(inhibitor->why),
508 strempty(inhibit_mode_to_string(inhibitor->mode)),
509 (uint32_t) inhibitor->uid,
510 (uint32_t) inhibitor->pid);
515 r = sd_bus_message_close_container(reply);
519 return sd_bus_send(bus, reply, NULL);
522 static int method_create_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
523 const char *service, *type, *class, *cseat, *tty, *display, *remote_user, *remote_host, *desktop;
524 uint32_t uid, leader, audit_id = 0;
525 _cleanup_free_ char *id = NULL;
526 Session *session = NULL;
527 Manager *m = userdata;
540 r = sd_bus_message_read(message, "uusssssussbss", &uid, &leader, &service, &type, &class, &desktop, &cseat, &vtnr, &tty, &display, &remote, &remote_user, &remote_host);
545 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID");
548 t = _SESSION_TYPE_INVALID;
550 t = session_type_from_string(type);
552 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session type %s", type);
556 c = _SESSION_CLASS_INVALID;
558 c = session_class_from_string(class);
560 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session class %s", class);
563 if (isempty(desktop))
566 if (!string_is_safe(desktop))
567 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid desktop string %s", desktop);
573 seat = hashmap_get(m->seats, cseat);
575 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", cseat);
578 if (tty_is_vc(tty)) {
583 else if (seat != m->seat0)
584 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);
586 v = vtnr_from_tty(tty);
588 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Cannot determine VT number from virtual console TTY %s", tty);
592 else if (vtnr != (uint32_t) v)
593 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Specified TTY and VT number do not match");
595 } else if (tty_is_console(tty)) {
599 else if (seat != m->seat0)
600 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but seat is not seat0");
603 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but VT number is not 0");
607 if (seat_has_vts(seat)) {
608 if (!vtnr || vtnr > 63)
609 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "VT number out of range");
612 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat has no VTs but VT number not 0");
616 r = sd_bus_message_enter_container(message, 'a', "(sv)");
620 if (t == _SESSION_TYPE_INVALID) {
621 if (!isempty(display))
623 else if (!isempty(tty))
626 t = SESSION_UNSPECIFIED;
629 if (c == _SESSION_CLASS_INVALID) {
630 if (t == SESSION_UNSPECIFIED)
631 c = SESSION_BACKGROUND;
637 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
639 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
643 r = sd_bus_creds_get_pid(creds, (pid_t*) &leader);
648 manager_get_session_by_pid(m, leader, &session);
650 _cleanup_free_ char *path = NULL;
651 _cleanup_close_ int fifo_fd = -1;
653 /* Session already exists, client is probably
654 * something like "su" which changes uid but is still
655 * the same session */
657 fifo_fd = session_create_fifo(session);
661 path = session_bus_path(session);
665 log_debug("Sending reply about an existing session: "
666 "id=%s object_path=%s uid=%u runtime_path=%s "
667 "session_fd=%d seat=%s vtnr=%u",
670 (uint32_t) session->user->uid,
671 session->user->runtime_path,
673 session->seat ? session->seat->id : "",
674 (uint32_t) session->vtnr);
676 return sd_bus_reply_method_return(
680 session->user->runtime_path,
682 (uint32_t) session->user->uid,
683 session->seat ? session->seat->id : "",
684 (uint32_t) session->vtnr,
688 audit_session_from_pid(leader, &audit_id);
690 /* Keep our session IDs and the audit session IDs in sync */
692 if (asprintf(&id, "%"PRIu32, audit_id) < 0)
695 /* Wut? There's already a session by this name and we
696 * didn't find it above? Weird, then let's not trust
697 * the audit data and let's better register a new
699 if (hashmap_get(m->sessions, id)) {
700 log_warning("Existing logind session ID %s used by new audit session, ignoring", id);
713 if (asprintf(&id, "c%lu", ++m->session_counter) < 0)
716 } while (hashmap_get(m->sessions, id));
719 r = manager_add_user_by_uid(m, uid, &user);
723 r = manager_add_session(m, id, &session);
727 session_set_user(session, user);
729 session->leader = leader;
730 session->audit_id = audit_id;
733 session->remote = remote;
734 session->vtnr = vtnr;
737 session->tty = strdup(tty);
744 if (!isempty(display)) {
745 session->display = strdup(display);
746 if (!session->display) {
752 if (!isempty(remote_user)) {
753 session->remote_user = strdup(remote_user);
754 if (!session->remote_user) {
760 if (!isempty(remote_host)) {
761 session->remote_host = strdup(remote_host);
762 if (!session->remote_host) {
768 if (!isempty(service)) {
769 session->service = strdup(service);
770 if (!session->service) {
776 if (!isempty(desktop)) {
777 session->desktop = strdup(desktop);
778 if (!session->desktop) {
785 r = seat_attach_session(seat, session);
790 r = session_start(session);
794 session->create_message = sd_bus_message_ref(message);
796 /* Here upstream systemd starts cgroups and the user systemd,
797 and arranges to reply asynchronously. We reply
800 r = session_send_create_reply(session, NULL);
804 session_save(session);
810 session_add_to_gc_queue(session);
813 user_add_to_gc_queue(user);
818 static int method_release_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
819 Manager *m = userdata;
828 r = sd_bus_message_read(message, "s", &name);
832 r = manager_get_session_from_creds(m, message, name, error, &session);
836 r = session_release(session);
840 session_add_to_gc_queue(session);
842 return sd_bus_reply_method_return(message, NULL);
845 static int method_activate_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
846 Manager *m = userdata;
855 r = sd_bus_message_read(message, "s", &name);
859 r = manager_get_session_from_creds(m, message, name, error, &session);
863 return bus_session_method_activate(bus, message, session, error);
866 static int method_activate_session_on_seat(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
867 const char *session_name, *seat_name;
868 Manager *m = userdata;
877 /* Same as ActivateSession() but refuses to work if
878 * the seat doesn't match */
880 r = sd_bus_message_read(message, "ss", &session_name, &seat_name);
884 r = manager_get_session_from_creds(m, message, session_name, error, &session);
888 r = manager_get_seat_from_creds(m, message, seat_name, error, &seat);
892 if (session->seat != seat)
893 return sd_bus_error_setf(error, BUS_ERROR_SESSION_NOT_ON_SEAT, "Session %s not on seat %s", session_name, seat_name);
895 r = session_activate(session);
899 return sd_bus_reply_method_return(message, NULL);
902 static int method_lock_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
903 Manager *m = userdata;
912 r = sd_bus_message_read(message, "s", &name);
916 r = manager_get_session_from_creds(m, message, name, error, &session);
920 return bus_session_method_lock(bus, message, session, error);
923 static int method_lock_sessions(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
924 Manager *m = userdata;
931 r = bus_verify_polkit_async(
934 "org.freedesktop.login1.lock-sessions",
942 return 1; /* Will call us back */
944 r = session_send_lock_all(m, streq(sd_bus_message_get_member(message), "LockSessions"));
948 return sd_bus_reply_method_return(message, NULL);
951 static int method_kill_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
953 Manager *m = userdata;
961 r = sd_bus_message_read(message, "s", &name);
965 r = manager_get_session_from_creds(m, message, name, error, &session);
969 return bus_session_method_kill(bus, message, session, error);
972 static int method_kill_user(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
973 Manager *m = userdata;
982 r = sd_bus_message_read(message, "u", &uid);
986 r = manager_get_user_from_creds(m, message, uid, error, &user);
990 return bus_user_method_kill(bus, message, user, error);
993 static int method_terminate_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
994 Manager *m = userdata;
1003 r = sd_bus_message_read(message, "s", &name);
1007 r = manager_get_session_from_creds(m, message, name, error, &session);
1011 return bus_session_method_terminate(bus, message, session, error);
1014 static int method_terminate_user(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
1015 Manager *m = userdata;
1024 r = sd_bus_message_read(message, "u", &uid);
1028 r = manager_get_user_from_creds(m, message, uid, error, &user);
1032 return bus_user_method_terminate(bus, message, user, error);
1035 static int method_terminate_seat(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
1036 Manager *m = userdata;
1045 r = sd_bus_message_read(message, "s", &name);
1049 r = manager_get_seat_from_creds(m, message, name, error, &seat);
1053 return bus_seat_method_terminate(bus, message, seat, error);
1056 static int method_set_user_linger(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
1057 _cleanup_free_ char *cc = NULL;
1058 Manager *m = userdata;
1069 r = sd_bus_message_read(message, "ubb", &uid, &b, &interactive);
1073 if (uid == UID_INVALID) {
1074 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
1076 /* Note that we get the owner UID of the session, not the actual client UID here! */
1077 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds);
1081 r = sd_bus_creds_get_owner_uid(creds, &uid);
1089 return errno ? -errno : -ENOENT;
1091 r = bus_verify_polkit_async(
1094 "org.freedesktop.login1.set-user-linger",
1097 &m->polkit_registry,
1102 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1104 mkdir_p_label("/var/lib/systemd", 0755);
1106 r = mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0);
1110 cc = cescape(pw->pw_name);
1114 path = strjoina("/var/lib/systemd/linger/", cc);
1122 if (manager_add_user_by_uid(m, uid, &u) >= 0)
1129 if (r < 0 && errno != ENOENT)
1132 u = hashmap_get(m->users, UID_TO_PTR(uid));
1134 user_add_to_gc_queue(u);
1137 return sd_bus_reply_method_return(message, NULL);
1140 static int trigger_device(Manager *m, struct udev_device *d) {
1141 _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
1142 struct udev_list_entry *first, *item;
1147 e = udev_enumerate_new(m->udev);
1152 r = udev_enumerate_add_match_parent(e, d);
1157 r = udev_enumerate_scan_devices(e);
1161 first = udev_enumerate_get_list_entry(e);
1162 udev_list_entry_foreach(item, first) {
1163 _cleanup_free_ char *t = NULL;
1166 p = udev_list_entry_get_name(item);
1168 t = strappend(p, "/uevent");
1172 write_string_file(t, "change");
1178 static int attach_device(Manager *m, const char *seat, const char *sysfs) {
1179 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
1180 _cleanup_free_ char *rule = NULL, *file = NULL;
1181 const char *id_for_seat;
1188 d = udev_device_new_from_syspath(m->udev, sysfs);
1192 if (!udev_device_has_tag(d, "seat"))
1195 id_for_seat = udev_device_get_property_value(d, "ID_FOR_SEAT");
1199 if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0)
1202 if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0)
1205 mkdir_p_label("/etc/udev/rules.d", 0755);
1206 mac_selinux_init("/etc");
1207 r = write_string_file_atomic_label(file, rule);
1211 return trigger_device(m, d);
1214 static int flush_devices(Manager *m) {
1215 _cleanup_closedir_ DIR *d;
1219 d = opendir("/etc/udev/rules.d");
1221 if (errno != ENOENT)
1222 log_warning_errno(errno, "Failed to open /etc/udev/rules.d: %m");
1226 while ((de = readdir(d))) {
1228 if (!dirent_is_file(de))
1231 if (!startswith(de->d_name, "72-seat-"))
1234 if (!endswith(de->d_name, ".rules"))
1237 if (unlinkat(dirfd(d), de->d_name, 0) < 0)
1238 log_warning_errno(errno, "Failed to unlink %s: %m", de->d_name);
1242 return trigger_device(m, NULL);
1245 static int method_attach_device(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
1246 const char *sysfs, *seat;
1247 Manager *m = userdata;
1254 r = sd_bus_message_read(message, "ssb", &seat, &sysfs, &interactive);
1258 if (!path_startswith(sysfs, "/sys"))
1259 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not in /sys", sysfs);
1261 if (!seat_name_is_valid(seat))
1262 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat %s is not valid", seat);
1264 r = bus_verify_polkit_async(
1267 "org.freedesktop.login1.attach-device",
1270 &m->polkit_registry,
1275 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1277 r = attach_device(m, seat, sysfs);
1281 return sd_bus_reply_method_return(message, NULL);
1284 static int method_flush_devices(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
1285 Manager *m = userdata;
1292 r = sd_bus_message_read(message, "b", &interactive);
1296 r = bus_verify_polkit_async(
1299 "org.freedesktop.login1.flush-devices",
1302 &m->polkit_registry,
1307 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1309 r = flush_devices(m);
1313 return sd_bus_reply_method_return(message, NULL);
1316 static int have_multiple_sessions(
1325 /* Check for other users' sessions. Greeter sessions do not
1326 * count, and non-login sessions do not count either. */
1327 HASHMAP_FOREACH(session, m->sessions, i)
1328 if (session->class == SESSION_USER &&
1329 session->user->uid != uid)
1335 static int bus_manager_log_shutdown(
1338 HandleAction action) {
1344 if (w != INHIBIT_SHUTDOWN)
1348 case HANDLE_POWEROFF:
1349 p = "MESSAGE=System is powering down.";
1350 q = "SHUTDOWN=power-off";
1353 p = "MESSAGE=System is halting.";
1354 q = "SHUTDOWN=halt";
1357 p = "MESSAGE=System is rebooting.";
1358 q = "SHUTDOWN=reboot";
1361 p = "MESSAGE=System is rebooting with kexec.";
1362 q = "SHUTDOWN=kexec";
1365 p = "MESSAGE=System is shutting down.";
1370 return log_struct(LOG_NOTICE,
1371 LOG_MESSAGE_ID(SD_MESSAGE_SHUTDOWN),
1377 static int lid_switch_ignore_handler(sd_event_source *e, uint64_t usec, void *userdata) {
1378 Manager *m = userdata;
1383 m->lid_switch_ignore_event_source = sd_event_source_unref(m->lid_switch_ignore_event_source);
1387 int manager_set_lid_switch_ignore(Manager *m, usec_t until) {
1392 if (until <= now(CLOCK_MONOTONIC))
1395 /* We want to ignore the lid switch for a while after each
1396 * suspend, and after boot-up. Hence let's install a timer for
1397 * this. As long as the event source exists we ignore the lid
1400 if (m->lid_switch_ignore_event_source) {
1403 r = sd_event_source_get_time(m->lid_switch_ignore_event_source, &u);
1410 r = sd_event_source_set_time(m->lid_switch_ignore_event_source, until);
1412 r = sd_event_add_time(
1414 &m->lid_switch_ignore_event_source,
1417 lid_switch_ignore_handler, m);
1422 static int execute_shutdown_or_sleep(
1425 HandleAction action,
1426 sd_bus_error *error) {
1431 assert(w < _INHIBIT_WHAT_MAX);
1433 bus_manager_log_shutdown(m, w, action);
1435 /* FIXME: here do the thing. */
1437 r = shutdown_or_sleep(action);
1441 /* Make sure the lid switch is ignored for a while (?) */
1442 manager_set_lid_switch_ignore(m, now(CLOCK_MONOTONIC) + m->holdoff_timeout_usec);
1447 static int delay_shutdown_or_sleep(
1450 HandleAction action) {
1454 assert(w < _INHIBIT_WHAT_MAX);
1456 m->action_timestamp = now(CLOCK_MONOTONIC);
1457 m->pending_action = action;
1463 static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) {
1465 static const char * const signal_name[_INHIBIT_WHAT_MAX] = {
1466 [INHIBIT_SHUTDOWN] = "PrepareForShutdown",
1467 [INHIBIT_SLEEP] = "PrepareForSleep"
1470 int active = _active;
1474 assert(w < _INHIBIT_WHAT_MAX);
1475 assert(signal_name[w]);
1477 return sd_bus_emit_signal(m->bus,
1478 "/org/freedesktop/login1",
1479 "org.freedesktop.login1.Manager",
1485 int bus_manager_shutdown_or_sleep_now_or_later(
1487 HandleAction action,
1489 sd_bus_error *error) {
1496 assert(w <= _INHIBIT_WHAT_MAX);
1498 /* Tell everybody to prepare for shutdown/sleep */
1499 send_prepare_for(m, w, true);
1502 m->inhibit_delay_max > 0 &&
1503 manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0, NULL);
1506 /* Shutdown is delayed, keep in mind what we
1507 * want to do, and start a timeout */
1508 r = delay_shutdown_or_sleep(m, w, action);
1510 /* Shutdown is not delayed, execute it
1512 r = execute_shutdown_or_sleep(m, w, action, error);
1517 static int method_do_shutdown_or_sleep(
1519 sd_bus_message *message,
1520 HandleAction sleep_action,
1523 const char *action_multiple_sessions,
1524 const char *action_ignore_inhibit,
1525 const char *sleep_verb,
1526 sd_bus_message_handler_t method,
1527 sd_bus_error *error) {
1529 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
1530 bool multiple_sessions, blocked;
1537 assert(w <= _INHIBIT_WHAT_MAX);
1539 assert(action_multiple_sessions);
1540 assert(action_ignore_inhibit);
1543 r = sd_bus_message_read(message, "b", &interactive);
1547 /* Don't allow multiple jobs being executed at the same time */
1549 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "There's already a shutdown or sleep operation in progress");
1552 r = can_sleep(sleep_verb);
1557 return sd_bus_error_setf(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, "Sleep verb not supported");
1560 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds);
1564 r = sd_bus_creds_get_euid(creds, &uid);
1568 r = have_multiple_sessions(m, uid);
1572 multiple_sessions = r > 0;
1573 blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
1575 if (multiple_sessions) {
1576 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_multiple_sessions, interactive, UID_INVALID, &m->polkit_registry, error);
1580 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1584 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_ignore_inhibit, interactive, UID_INVALID, &m->polkit_registry, error);
1588 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1591 if (!multiple_sessions && !blocked) {
1592 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action, interactive, UID_INVALID, &m->polkit_registry, error);
1596 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1599 r = bus_manager_shutdown_or_sleep_now_or_later(m, sleep_action, w, error);
1603 return sd_bus_reply_method_return(message, NULL);
1606 static int method_poweroff(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
1607 Manager *m = userdata;
1609 return method_do_shutdown_or_sleep(
1613 "org.freedesktop.login1.power-off",
1614 "org.freedesktop.login1.power-off-multiple-sessions",
1615 "org.freedesktop.login1.power-off-ignore-inhibit",
1621 static int method_reboot(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
1622 Manager *m = userdata;
1624 return method_do_shutdown_or_sleep(
1628 "org.freedesktop.login1.reboot",
1629 "org.freedesktop.login1.reboot-multiple-sessions",
1630 "org.freedesktop.login1.reboot-ignore-inhibit",
1636 static int method_suspend(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
1637 Manager *m = userdata;
1639 return method_do_shutdown_or_sleep(
1643 "org.freedesktop.login1.suspend",
1644 "org.freedesktop.login1.suspend-multiple-sessions",
1645 "org.freedesktop.login1.suspend-ignore-inhibit",
1651 static int method_hibernate(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
1652 Manager *m = userdata;
1654 return method_do_shutdown_or_sleep(
1658 "org.freedesktop.login1.hibernate",
1659 "org.freedesktop.login1.hibernate-multiple-sessions",
1660 "org.freedesktop.login1.hibernate-ignore-inhibit",
1666 static int method_hybrid_sleep(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
1667 Manager *m = userdata;
1669 return method_do_shutdown_or_sleep(
1671 HANDLE_HYBRID_SLEEP,
1673 "org.freedesktop.login1.hibernate",
1674 "org.freedesktop.login1.hibernate-multiple-sessions",
1675 "org.freedesktop.login1.hibernate-ignore-inhibit",
1677 method_hybrid_sleep,
1681 static int method_can_shutdown_or_sleep(
1683 sd_bus_message *message,
1686 const char *action_multiple_sessions,
1687 const char *action_ignore_inhibit,
1688 const char *sleep_verb,
1689 sd_bus_error *error) {
1691 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
1692 bool multiple_sessions, challenge, blocked;
1693 const char *result = NULL;
1700 assert(w <= _INHIBIT_WHAT_MAX);
1702 assert(action_multiple_sessions);
1703 assert(action_ignore_inhibit);
1706 r = can_sleep(sleep_verb);
1710 return sd_bus_reply_method_return(message, "s", "na");
1713 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds);
1717 r = sd_bus_creds_get_euid(creds, &uid);
1721 r = have_multiple_sessions(m, uid);
1725 multiple_sessions = r > 0;
1726 blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
1728 if (multiple_sessions) {
1729 r = bus_verify_polkit(message, CAP_SYS_BOOT, action_multiple_sessions, false, UID_INVALID, &challenge, error);
1736 result = "challenge";
1742 r = bus_verify_polkit(message, CAP_SYS_BOOT, action_ignore_inhibit, false, UID_INVALID, &challenge, error);
1746 if (r > 0 && !result)
1748 else if (challenge && (!result || streq(result, "yes")))
1749 result = "challenge";
1754 if (!multiple_sessions && !blocked) {
1755 /* If neither inhibit nor multiple sessions
1756 * apply then just check the normal policy */
1758 r = bus_verify_polkit(message, CAP_SYS_BOOT, action, false, UID_INVALID, &challenge, error);
1765 result = "challenge";
1770 return sd_bus_reply_method_return(message, "s", result);
1773 static int method_can_poweroff(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
1774 Manager *m = userdata;
1776 return method_can_shutdown_or_sleep(
1779 "org.freedesktop.login1.power-off",
1780 "org.freedesktop.login1.power-off-multiple-sessions",
1781 "org.freedesktop.login1.power-off-ignore-inhibit",
1786 static int method_can_reboot(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
1787 Manager *m = userdata;
1789 return method_can_shutdown_or_sleep(
1792 "org.freedesktop.login1.reboot",
1793 "org.freedesktop.login1.reboot-multiple-sessions",
1794 "org.freedesktop.login1.reboot-ignore-inhibit",
1799 static int method_can_suspend(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
1800 Manager *m = userdata;
1802 return method_can_shutdown_or_sleep(
1805 "org.freedesktop.login1.suspend",
1806 "org.freedesktop.login1.suspend-multiple-sessions",
1807 "org.freedesktop.login1.suspend-ignore-inhibit",
1812 static int method_can_hibernate(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
1813 Manager *m = userdata;
1815 return method_can_shutdown_or_sleep(
1818 "org.freedesktop.login1.hibernate",
1819 "org.freedesktop.login1.hibernate-multiple-sessions",
1820 "org.freedesktop.login1.hibernate-ignore-inhibit",
1825 static int method_can_hybrid_sleep(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
1826 Manager *m = userdata;
1828 return method_can_shutdown_or_sleep(
1831 "org.freedesktop.login1.hibernate",
1832 "org.freedesktop.login1.hibernate-multiple-sessions",
1833 "org.freedesktop.login1.hibernate-ignore-inhibit",
1838 static int method_inhibit(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
1839 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
1840 const char *who, *why, *what, *mode;
1841 _cleanup_free_ char *id = NULL;
1842 _cleanup_close_ int fifo_fd = -1;
1843 Manager *m = userdata;
1844 Inhibitor *i = NULL;
1855 r = sd_bus_message_read(message, "ssss", &what, &who, &why, &mode);
1859 w = inhibit_what_from_string(what);
1861 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid what specification %s", what);
1863 mm = inhibit_mode_from_string(mode);
1865 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid mode specification %s", mode);
1867 /* Delay is only supported for shutdown/sleep */
1868 if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP)))
1869 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Delay inhibitors only supported for shutdown and sleep");
1871 /* Don't allow taking delay locks while we are already
1872 * executing the operation. We shouldn't create the impression
1873 * that the lock was successful if the machine is about to go
1874 * down/suspend any moment. */
1875 if (m->action_what & w)
1876 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "The operation inhibition has been requested for is already running");
1878 r = bus_verify_polkit_async(
1881 w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") :
1882 w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") :
1883 w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" :
1884 w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" :
1885 w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" :
1886 w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" :
1887 "org.freedesktop.login1.inhibit-handle-lid-switch",
1890 &m->polkit_registry,
1895 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1897 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID|SD_BUS_CREDS_PID, &creds);
1901 r = sd_bus_creds_get_euid(creds, &uid);
1905 r = sd_bus_creds_get_pid(creds, &pid);
1913 if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0)
1916 } while (hashmap_get(m->inhibitors, id));
1918 r = manager_add_inhibitor(m, id, &i);
1926 i->why = strdup(why);
1927 i->who = strdup(who);
1929 if (!i->why || !i->who) {
1934 fifo_fd = inhibitor_create_fifo(i);
1942 return sd_bus_reply_method_return(message, "h", fifo_fd);
1951 const sd_bus_vtable manager_vtable[] = {
1952 SD_BUS_VTABLE_START(0),
1954 SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), SD_BUS_VTABLE_PROPERTY_CONST),
1955 SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), SD_BUS_VTABLE_PROPERTY_CONST),
1956 SD_BUS_PROPERTY("KillUserProcesses", "b", NULL, offsetof(Manager, kill_user_processes), SD_BUS_VTABLE_PROPERTY_CONST),
1957 SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
1958 SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
1959 SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
1960 SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
1961 SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
1962 SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL, offsetof(Manager, inhibit_delay_max), SD_BUS_VTABLE_PROPERTY_CONST),
1963 SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action, offsetof(Manager, handle_power_key), SD_BUS_VTABLE_PROPERTY_CONST),
1964 SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action, offsetof(Manager, handle_suspend_key), SD_BUS_VTABLE_PROPERTY_CONST),
1965 SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action, offsetof(Manager, handle_hibernate_key), SD_BUS_VTABLE_PROPERTY_CONST),
1966 SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch), SD_BUS_VTABLE_PROPERTY_CONST),
1967 SD_BUS_PROPERTY("HandleLidSwitchDocked", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_docked), SD_BUS_VTABLE_PROPERTY_CONST),
1968 SD_BUS_PROPERTY("HoldoffTimeoutUSec", "t", NULL, offsetof(Manager, holdoff_timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST),
1969 SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action, offsetof(Manager, idle_action), SD_BUS_VTABLE_PROPERTY_CONST),
1970 SD_BUS_PROPERTY("IdleActionUSec", "t", NULL, offsetof(Manager, idle_action_usec), SD_BUS_VTABLE_PROPERTY_CONST),
1971 SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing, 0, 0),
1972 SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing, 0, 0),
1974 SD_BUS_METHOD("GetSession", "s", "o", method_get_session, SD_BUS_VTABLE_UNPRIVILEGED),
1975 SD_BUS_METHOD("GetSessionByPID", "u", "o", method_get_session_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
1976 SD_BUS_METHOD("GetUser", "u", "o", method_get_user, SD_BUS_VTABLE_UNPRIVILEGED),
1977 SD_BUS_METHOD("GetUserByPID", "u", "o", method_get_user_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
1978 SD_BUS_METHOD("GetSeat", "s", "o", method_get_seat, SD_BUS_VTABLE_UNPRIVILEGED),
1979 SD_BUS_METHOD("ListSessions", NULL, "a(susso)", method_list_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
1980 SD_BUS_METHOD("ListUsers", NULL, "a(uso)", method_list_users, SD_BUS_VTABLE_UNPRIVILEGED),
1981 SD_BUS_METHOD("ListSeats", NULL, "a(so)", method_list_seats, SD_BUS_VTABLE_UNPRIVILEGED),
1982 SD_BUS_METHOD("ListInhibitors", NULL, "a(ssssuu)", method_list_inhibitors, SD_BUS_VTABLE_UNPRIVILEGED),
1983 SD_BUS_METHOD("CreateSession", "uusssssussbssa(sv)", "soshusub", method_create_session, 0),
1984 SD_BUS_METHOD("ReleaseSession", "s", NULL, method_release_session, 0),
1985 SD_BUS_METHOD("ActivateSession", "s", NULL, method_activate_session, SD_BUS_VTABLE_UNPRIVILEGED),
1986 SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL, method_activate_session_on_seat, SD_BUS_VTABLE_UNPRIVILEGED),
1987 SD_BUS_METHOD("LockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED),
1988 SD_BUS_METHOD("UnlockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED),
1989 SD_BUS_METHOD("LockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
1990 SD_BUS_METHOD("UnlockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
1991 SD_BUS_METHOD("KillSession", "ssi", NULL, method_kill_session, SD_BUS_VTABLE_UNPRIVILEGED),
1992 SD_BUS_METHOD("KillUser", "ui", NULL, method_kill_user, SD_BUS_VTABLE_UNPRIVILEGED),
1993 SD_BUS_METHOD("TerminateSession", "s", NULL, method_terminate_session, SD_BUS_VTABLE_UNPRIVILEGED),
1994 SD_BUS_METHOD("TerminateUser", "u", NULL, method_terminate_user, SD_BUS_VTABLE_UNPRIVILEGED),
1995 SD_BUS_METHOD("TerminateSeat", "s", NULL, method_terminate_seat, SD_BUS_VTABLE_UNPRIVILEGED),
1996 SD_BUS_METHOD("SetUserLinger", "ubb", NULL, method_set_user_linger, SD_BUS_VTABLE_UNPRIVILEGED),
1997 SD_BUS_METHOD("AttachDevice", "ssb", NULL, method_attach_device, SD_BUS_VTABLE_UNPRIVILEGED),
1998 SD_BUS_METHOD("FlushDevices", "b", NULL, method_flush_devices, SD_BUS_VTABLE_UNPRIVILEGED),
1999 SD_BUS_METHOD("PowerOff", "b", NULL, method_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
2000 SD_BUS_METHOD("Reboot", "b", NULL, method_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
2001 SD_BUS_METHOD("Suspend", "b", NULL, method_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
2002 SD_BUS_METHOD("Hibernate", "b", NULL, method_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
2003 SD_BUS_METHOD("HybridSleep", "b", NULL, method_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
2004 SD_BUS_METHOD("CanPowerOff", NULL, "s", method_can_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
2005 SD_BUS_METHOD("CanReboot", NULL, "s", method_can_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
2006 SD_BUS_METHOD("CanSuspend", NULL, "s", method_can_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
2007 SD_BUS_METHOD("CanHibernate", NULL, "s", method_can_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
2008 SD_BUS_METHOD("CanHybridSleep", NULL, "s", method_can_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
2009 SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit, SD_BUS_VTABLE_UNPRIVILEGED),
2011 SD_BUS_SIGNAL("SessionNew", "so", 0),
2012 SD_BUS_SIGNAL("SessionRemoved", "so", 0),
2013 SD_BUS_SIGNAL("UserNew", "uo", 0),
2014 SD_BUS_SIGNAL("UserRemoved", "uo", 0),
2015 SD_BUS_SIGNAL("SeatNew", "so", 0),
2016 SD_BUS_SIGNAL("SeatRemoved", "so", 0),
2017 SD_BUS_SIGNAL("PrepareForShutdown", "b", 0),
2018 SD_BUS_SIGNAL("PrepareForSleep", "b", 0),
2023 int manager_send_changed(Manager *manager, const char *property, ...) {
2028 l = strv_from_stdarg_alloca(property);
2030 return sd_bus_emit_properties_changed_strv(
2032 "/org/freedesktop/login1",
2033 "org.freedesktop.login1.Manager",
2037 int manager_dispatch_delayed(Manager *manager) {
2038 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
2039 Inhibitor *offending = NULL;
2044 if (manager->action_what == 0)
2047 /* Continue delay? */
2048 if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0, &offending)) {
2049 _cleanup_free_ char *comm = NULL, *u = NULL;
2051 get_process_comm(offending->pid, &comm);
2052 u = uid_to_name(offending->uid);
2054 if (manager->action_timestamp + manager->inhibit_delay_max > now(CLOCK_MONOTONIC))
2057 log_info("Delay lock is active (UID "UID_FMT"/%s, PID "PID_FMT"/%s) but inhibitor timeout is reached.",
2058 offending->uid, strna(u),
2059 offending->pid, strna(comm));
2062 /* Actually do the operation */
2063 r = execute_shutdown_or_sleep(manager, manager->action_what, manager->pending_action, &error);
2065 log_warning("Failed to send delayed message: %s", bus_error_message(&error, r));
2067 manager->pending_action = HANDLE_IGNORE;
2068 manager->action_what = 0;
2075 int manager_start_scope(
2080 const char *description,
2081 const char *after, const char *after2,
2082 sd_bus_error *error,
2085 _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
2092 r = sd_bus_message_new_method_call(
2095 "org.freedesktop.systemd1",
2096 "/org/freedesktop/systemd1",
2097 "org.freedesktop.systemd1.Manager",
2098 "StartTransientUnit");
2102 r = sd_bus_message_append(m, "ss", strempty(scope), "fail");
2106 r = sd_bus_message_open_container(m, 'a', "(sv)");
2110 if (!isempty(slice)) {
2111 r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice);
2116 if (!isempty(description)) {
2117 r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
2122 if (!isempty(after)) {
2123 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after);
2128 if (!isempty(after2)) {
2129 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2);
2134 /* cgroup empty notification is not available in containers
2135 * currently. To make this less problematic, let's shorten the
2136 * stop timeout for sessions, so that we don't wait
2139 /* Make sure that the session shells are terminated with
2140 * SIGHUP since bash and friends tend to ignore SIGTERM */
2141 r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", true);
2145 r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid);
2149 r = sd_bus_message_close_container(m);
2153 r = sd_bus_message_append(m, "a(sa(sv))", 0);
2157 r = sd_bus_call(manager->bus, m, 0, error, &reply);
2165 r = sd_bus_message_read(reply, "o", &j);
2179 int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
2180 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
2186 r = sd_bus_call_method(
2188 "org.freedesktop.systemd1",
2189 "/org/freedesktop/systemd1",
2190 "org.freedesktop.systemd1.Manager",
2194 "ss", unit, "fail");
2202 r = sd_bus_message_read(reply, "o", &j);
2216 int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
2217 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
2223 r = sd_bus_call_method(
2225 "org.freedesktop.systemd1",
2226 "/org/freedesktop/systemd1",
2227 "org.freedesktop.systemd1.Manager",
2231 "ss", unit, "fail");
2233 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
2234 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) {
2239 sd_bus_error_free(error);
2250 r = sd_bus_message_read(reply, "o", &j);
2264 int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error) {
2265 _cleanup_free_ char *path = NULL;
2271 path = unit_dbus_path_from_name(scope);
2275 r = sd_bus_call_method(
2277 "org.freedesktop.systemd1",
2279 "org.freedesktop.systemd1.Scope",
2285 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
2286 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED) ||
2287 sd_bus_error_has_name(error, BUS_ERROR_SCOPE_NOT_RUNNING)) {
2288 sd_bus_error_free(error);
2298 int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) {
2302 return sd_bus_call_method(
2304 "org.freedesktop.systemd1",
2305 "/org/freedesktop/systemd1",
2306 "org.freedesktop.systemd1.Manager",
2310 "ssi", unit, who == KILL_LEADER ? "main" : "all", signo);
2313 int manager_unit_is_active(Manager *manager, const char *unit) {
2314 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
2315 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
2316 _cleanup_free_ char *path = NULL;
2323 path = unit_dbus_path_from_name(unit);
2327 r = sd_bus_get_property(
2329 "org.freedesktop.systemd1",
2331 "org.freedesktop.systemd1.Unit",
2337 /* systemd might have droppped off momentarily, let's
2338 * not make this an error */
2339 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
2340 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
2343 /* If the unit is already unloaded then it's not
2345 if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) ||
2346 sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED))
2352 r = sd_bus_message_read(reply, "s", &state);
2356 return !streq(state, "inactive") && !streq(state, "failed");
2359 int manager_job_is_active(Manager *manager, const char *path) {
2360 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
2361 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
2367 r = sd_bus_get_property(
2369 "org.freedesktop.systemd1",
2371 "org.freedesktop.systemd1.Job",
2377 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
2378 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
2381 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT))
2387 /* We don't actually care about the state really. The fact
2388 * that we could read the job state is enough for us */