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"
29 #include "alloc-util.h"
30 #include "audit-util.h"
31 #include "bus-common-errors.h"
32 #include "bus-error.h"
34 #include "dirent-util.h"
35 //#include "efivars.h"
38 #include "fileio-label.h"
39 #include "formats-util.h"
43 #include "path-util.h"
44 #include "process-util.h"
45 #include "selinux-util.h"
46 #include "sleep-config.h"
47 //#include "special.h"
49 #include "terminal-util.h"
50 #include "udev-util.h"
51 #include "unit-name.h"
52 #include "user-util.h"
53 //#include "utmp-wtmp.h"
55 int manager_get_session_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Session **ret) {
56 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
65 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_SESSION|SD_BUS_CREDS_AUGMENT, &creds);
69 r = sd_bus_creds_get_session(creds, &name);
74 session = hashmap_get(m->sessions, name);
76 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
82 int manager_get_user_from_creds(Manager *m, sd_bus_message *message, uid_t uid, sd_bus_error *error, User **ret) {
90 if (uid == UID_INVALID) {
91 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
93 /* Note that we get the owner UID of the session, not the actual client UID here! */
94 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds);
98 r = sd_bus_creds_get_owner_uid(creds, &uid);
103 user = hashmap_get(m->users, UID_TO_PTR(uid));
105 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user "UID_FMT" known or logged in", uid);
111 int manager_get_seat_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Seat **ret) {
122 r = manager_get_session_from_creds(m, message, NULL, error, &session);
126 seat = session->seat;
129 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "Session has no seat.");
131 seat = hashmap_get(m->seats, name);
133 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name);
140 static int property_get_idle_hint(
143 const char *interface,
144 const char *property,
145 sd_bus_message *reply,
147 sd_bus_error *error) {
149 Manager *m = userdata;
155 return sd_bus_message_append(reply, "b", manager_get_idle_hint(m, NULL) > 0);
158 static int property_get_idle_since_hint(
161 const char *interface,
162 const char *property,
163 sd_bus_message *reply,
165 sd_bus_error *error) {
167 Manager *m = userdata;
168 dual_timestamp t = DUAL_TIMESTAMP_NULL;
174 manager_get_idle_hint(m, &t);
176 return sd_bus_message_append(reply, "t", streq(property, "IdleSinceHint") ? t.realtime : t.monotonic);
179 static int property_get_inhibited(
182 const char *interface,
183 const char *property,
184 sd_bus_message *reply,
186 sd_bus_error *error) {
188 Manager *m = userdata;
195 w = manager_inhibit_what(m, streq(property, "BlockInhibited") ? INHIBIT_BLOCK : INHIBIT_DELAY);
197 return sd_bus_message_append(reply, "s", inhibit_what_to_string(w));
200 static int property_get_preparing(
203 const char *interface,
204 const char *property,
205 sd_bus_message *reply,
207 sd_bus_error *error) {
209 Manager *m = userdata;
216 if (streq(property, "PreparingForShutdown"))
217 b = !!(m->action_what & INHIBIT_SHUTDOWN);
219 b = !!(m->action_what & INHIBIT_SLEEP);
221 return sd_bus_message_append(reply, "b", b);
224 static int property_get_scheduled_shutdown(
227 const char *interface,
228 const char *property,
229 sd_bus_message *reply,
231 sd_bus_error *error) {
233 Manager *m = userdata;
240 r = sd_bus_message_open_container(reply, 'r', "st");
244 r = sd_bus_message_append(reply, "st", m->scheduled_shutdown_type, m->scheduled_shutdown_timeout);
248 return sd_bus_message_close_container(reply);
251 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_handle_action, handle_action, HandleAction);
253 static int property_get_docked(
256 const char *interface,
257 const char *property,
258 sd_bus_message *reply,
260 sd_bus_error *error) {
262 Manager *m = userdata;
268 return sd_bus_message_append(reply, "b", manager_is_docked_or_external_displays(m));
271 static int method_get_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
272 _cleanup_free_ char *p = NULL;
273 Manager *m = userdata;
281 r = sd_bus_message_read(message, "s", &name);
285 r = manager_get_session_from_creds(m, message, name, error, &session);
289 p = session_bus_path(session);
293 return sd_bus_reply_method_return(message, "o", p);
296 static int method_get_session_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) {
297 _cleanup_free_ char *p = NULL;
298 Session *session = NULL;
299 Manager *m = userdata;
306 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
308 r = sd_bus_message_read(message, "u", &pid);
315 r = manager_get_session_from_creds(m, message, NULL, error, &session);
319 r = manager_get_session_by_pid(m, pid, &session);
324 return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, "PID "PID_FMT" does not belong to any known session", pid);
327 p = session_bus_path(session);
331 return sd_bus_reply_method_return(message, "o", p);
334 static int method_get_user(sd_bus_message *message, void *userdata, sd_bus_error *error) {
335 _cleanup_free_ char *p = NULL;
336 Manager *m = userdata;
344 r = sd_bus_message_read(message, "u", &uid);
348 r = manager_get_user_from_creds(m, message, uid, error, &user);
352 p = user_bus_path(user);
356 return sd_bus_reply_method_return(message, "o", p);
359 static int method_get_user_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) {
360 _cleanup_free_ char *p = NULL;
361 Manager *m = userdata;
369 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
371 r = sd_bus_message_read(message, "u", &pid);
378 r = manager_get_user_from_creds(m, message, UID_INVALID, error, &user);
382 r = manager_get_user_by_pid(m, pid, &user);
386 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);
389 p = user_bus_path(user);
393 return sd_bus_reply_method_return(message, "o", p);
396 static int method_get_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) {
397 _cleanup_free_ char *p = NULL;
398 Manager *m = userdata;
406 r = sd_bus_message_read(message, "s", &name);
410 r = manager_get_seat_from_creds(m, message, name, error, &seat);
414 p = seat_bus_path(seat);
418 return sd_bus_reply_method_return(message, "o", p);
421 static int method_list_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) {
422 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
423 Manager *m = userdata;
431 r = sd_bus_message_new_method_return(message, &reply);
435 r = sd_bus_message_open_container(reply, 'a', "(susso)");
439 HASHMAP_FOREACH(session, m->sessions, i) {
440 _cleanup_free_ char *p = NULL;
442 p = session_bus_path(session);
446 r = sd_bus_message_append(reply, "(susso)",
448 (uint32_t) session->user->uid,
450 session->seat ? session->seat->id : "",
456 r = sd_bus_message_close_container(reply);
460 return sd_bus_send(NULL, reply, NULL);
463 static int method_list_users(sd_bus_message *message, void *userdata, sd_bus_error *error) {
464 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
465 Manager *m = userdata;
473 r = sd_bus_message_new_method_return(message, &reply);
477 r = sd_bus_message_open_container(reply, 'a', "(uso)");
481 HASHMAP_FOREACH(user, m->users, i) {
482 _cleanup_free_ char *p = NULL;
484 p = user_bus_path(user);
488 r = sd_bus_message_append(reply, "(uso)",
489 (uint32_t) user->uid,
496 r = sd_bus_message_close_container(reply);
500 return sd_bus_send(NULL, reply, NULL);
503 static int method_list_seats(sd_bus_message *message, void *userdata, sd_bus_error *error) {
504 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
505 Manager *m = userdata;
513 r = sd_bus_message_new_method_return(message, &reply);
517 r = sd_bus_message_open_container(reply, 'a', "(so)");
521 HASHMAP_FOREACH(seat, m->seats, i) {
522 _cleanup_free_ char *p = NULL;
524 p = seat_bus_path(seat);
528 r = sd_bus_message_append(reply, "(so)", seat->id, p);
533 r = sd_bus_message_close_container(reply);
537 return sd_bus_send(NULL, reply, NULL);
540 static int method_list_inhibitors(sd_bus_message *message, void *userdata, sd_bus_error *error) {
541 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
542 Manager *m = userdata;
543 Inhibitor *inhibitor;
550 r = sd_bus_message_new_method_return(message, &reply);
554 r = sd_bus_message_open_container(reply, 'a', "(ssssuu)");
558 HASHMAP_FOREACH(inhibitor, m->inhibitors, i) {
560 r = sd_bus_message_append(reply, "(ssssuu)",
561 strempty(inhibit_what_to_string(inhibitor->what)),
562 strempty(inhibitor->who),
563 strempty(inhibitor->why),
564 strempty(inhibit_mode_to_string(inhibitor->mode)),
565 (uint32_t) inhibitor->uid,
566 (uint32_t) inhibitor->pid);
571 r = sd_bus_message_close_container(reply);
575 return sd_bus_send(NULL, reply, NULL);
578 static int method_create_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
579 const char *service, *type, *class, *cseat, *tty, *display, *remote_user, *remote_host, *desktop;
580 uint32_t audit_id = 0;
581 _cleanup_free_ char *id = NULL;
582 Session *session = NULL;
583 Manager *m = userdata;
597 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
598 assert_cc(sizeof(uid_t) == sizeof(uint32_t));
600 r = sd_bus_message_read(message, "uusssssussbss", &uid, &leader, &service, &type, &class, &desktop, &cseat, &vtnr, &tty, &display, &remote, &remote_user, &remote_host);
604 if (!uid_is_valid(uid))
605 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid UID");
606 if (leader < 0 || leader == 1)
607 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID");
610 t = _SESSION_TYPE_INVALID;
612 t = session_type_from_string(type);
614 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session type %s", type);
618 c = _SESSION_CLASS_INVALID;
620 c = session_class_from_string(class);
622 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session class %s", class);
625 if (isempty(desktop))
628 if (!string_is_safe(desktop))
629 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid desktop string %s", desktop);
635 seat = hashmap_get(m->seats, cseat);
637 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", cseat);
640 if (tty_is_vc(tty)) {
645 else if (seat != m->seat0)
646 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);
648 v = vtnr_from_tty(tty);
650 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Cannot determine VT number from virtual console TTY %s", tty);
654 else if (vtnr != (uint32_t) v)
655 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Specified TTY and VT number do not match");
657 } else if (tty_is_console(tty)) {
661 else if (seat != m->seat0)
662 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but seat is not seat0");
665 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but VT number is not 0");
669 if (seat_has_vts(seat)) {
670 if (!vtnr || vtnr > 63)
671 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "VT number out of range");
674 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat has no VTs but VT number not 0");
678 r = sd_bus_message_enter_container(message, 'a', "(sv)");
682 if (t == _SESSION_TYPE_INVALID) {
683 if (!isempty(display))
685 else if (!isempty(tty))
688 t = SESSION_UNSPECIFIED;
691 if (c == _SESSION_CLASS_INVALID) {
692 if (t == SESSION_UNSPECIFIED)
693 c = SESSION_BACKGROUND;
699 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
701 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
705 r = sd_bus_creds_get_pid(creds, (pid_t*) &leader);
710 r = manager_get_session_by_pid(m, leader, NULL);
712 return sd_bus_error_setf(error, BUS_ERROR_SESSION_BUSY, "Already running in a session");
715 * Old gdm and lightdm start the user-session on the same VT as
716 * the greeter session. But they destroy the greeter session
717 * after the user-session and want the user-session to take
718 * over the VT. We need to support this for
719 * backwards-compatibility, so make sure we allow new sessions
720 * on a VT that a greeter is running on. Furthermore, to allow
721 * re-logins, we have to allow a greeter to take over a used VT for
722 * the exact same reasons.
724 if (c != SESSION_GREETER &&
726 vtnr < m->seat0->position_count &&
727 m->seat0->positions[vtnr] &&
728 m->seat0->positions[vtnr]->class != SESSION_GREETER)
729 return sd_bus_error_setf(error, BUS_ERROR_SESSION_BUSY, "Already occupied by a session");
731 audit_session_from_pid(leader, &audit_id);
733 /* Keep our session IDs and the audit session IDs in sync */
735 if (asprintf(&id, "%"PRIu32, audit_id) < 0)
738 /* Wut? There's already a session by this name and we
739 * didn't find it above? Weird, then let's not trust
740 * the audit data and let's better register a new
742 if (hashmap_get(m->sessions, id)) {
743 log_warning("Existing logind session ID %s used by new audit session, ignoring", id);
754 if (asprintf(&id, "c%lu", ++m->session_counter) < 0)
757 } while (hashmap_get(m->sessions, id));
760 r = manager_add_user_by_uid(m, uid, &user);
764 r = manager_add_session(m, id, &session);
768 session_set_user(session, user);
770 session->leader = leader;
771 session->audit_id = audit_id;
774 session->remote = remote;
775 session->vtnr = vtnr;
778 session->tty = strdup(tty);
785 if (!isempty(display)) {
786 session->display = strdup(display);
787 if (!session->display) {
793 if (!isempty(remote_user)) {
794 session->remote_user = strdup(remote_user);
795 if (!session->remote_user) {
801 if (!isempty(remote_host)) {
802 session->remote_host = strdup(remote_host);
803 if (!session->remote_host) {
809 if (!isempty(service)) {
810 session->service = strdup(service);
811 if (!session->service) {
817 if (!isempty(desktop)) {
818 session->desktop = strdup(desktop);
819 if (!session->desktop) {
826 r = seat_attach_session(seat, session);
831 r = session_start(session);
835 session->create_message = sd_bus_message_ref(message);
837 /* Here upstream systemd starts cgroups and the user systemd,
838 and arranges to reply asynchronously. We reply
841 r = session_send_create_reply(session, NULL);
849 session_add_to_gc_queue(session);
852 user_add_to_gc_queue(user);
857 static int method_release_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
858 Manager *m = userdata;
866 r = sd_bus_message_read(message, "s", &name);
870 r = manager_get_session_from_creds(m, message, name, error, &session);
874 r = session_release(session);
878 session_add_to_gc_queue(session);
880 return sd_bus_reply_method_return(message, NULL);
883 static int method_activate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
884 Manager *m = userdata;
892 r = sd_bus_message_read(message, "s", &name);
896 r = manager_get_session_from_creds(m, message, name, error, &session);
900 return bus_session_method_activate(message, session, error);
903 static int method_activate_session_on_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) {
904 const char *session_name, *seat_name;
905 Manager *m = userdata;
913 /* Same as ActivateSession() but refuses to work if
914 * the seat doesn't match */
916 r = sd_bus_message_read(message, "ss", &session_name, &seat_name);
920 r = manager_get_session_from_creds(m, message, session_name, error, &session);
924 r = manager_get_seat_from_creds(m, message, seat_name, error, &seat);
928 if (session->seat != seat)
929 return sd_bus_error_setf(error, BUS_ERROR_SESSION_NOT_ON_SEAT, "Session %s not on seat %s", session_name, seat_name);
931 r = session_activate(session);
935 return sd_bus_reply_method_return(message, NULL);
938 static int method_lock_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
939 Manager *m = userdata;
947 r = sd_bus_message_read(message, "s", &name);
951 r = manager_get_session_from_creds(m, message, name, error, &session);
955 return bus_session_method_lock(message, session, error);
958 static int method_lock_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) {
959 Manager *m = userdata;
965 r = bus_verify_polkit_async(
968 "org.freedesktop.login1.lock-sessions",
977 return 1; /* Will call us back */
979 r = session_send_lock_all(m, streq(sd_bus_message_get_member(message), "LockSessions"));
983 return sd_bus_reply_method_return(message, NULL);
986 static int method_kill_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
988 Manager *m = userdata;
995 r = sd_bus_message_read(message, "s", &name);
999 r = manager_get_session_from_creds(m, message, name, error, &session);
1003 return bus_session_method_kill(message, session, error);
1006 static int method_kill_user(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1007 Manager *m = userdata;
1015 r = sd_bus_message_read(message, "u", &uid);
1019 r = manager_get_user_from_creds(m, message, uid, error, &user);
1023 return bus_user_method_kill(message, user, error);
1026 static int method_terminate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1027 Manager *m = userdata;
1035 r = sd_bus_message_read(message, "s", &name);
1039 r = manager_get_session_from_creds(m, message, name, error, &session);
1043 return bus_session_method_terminate(message, session, error);
1046 static int method_terminate_user(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1047 Manager *m = userdata;
1055 r = sd_bus_message_read(message, "u", &uid);
1059 r = manager_get_user_from_creds(m, message, uid, error, &user);
1063 return bus_user_method_terminate(message, user, error);
1066 static int method_terminate_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1067 Manager *m = userdata;
1075 r = sd_bus_message_read(message, "s", &name);
1079 r = manager_get_seat_from_creds(m, message, name, error, &seat);
1083 return bus_seat_method_terminate(message, seat, error);
1086 static int method_set_user_linger(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1087 _cleanup_free_ char *cc = NULL;
1088 Manager *m = userdata;
1098 r = sd_bus_message_read(message, "ubb", &uid, &b, &interactive);
1102 if (uid == UID_INVALID) {
1103 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
1105 /* Note that we get the owner UID of the session, not the actual client UID here! */
1106 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds);
1110 r = sd_bus_creds_get_owner_uid(creds, &uid);
1114 } else if (!uid_is_valid(uid))
1120 return errno ? -errno : -ENOENT;
1122 r = bus_verify_polkit_async(
1125 "org.freedesktop.login1.set-user-linger",
1129 &m->polkit_registry,
1134 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1136 mkdir_p_label("/var/lib/systemd", 0755);
1138 r = mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0);
1142 cc = cescape(pw->pw_name);
1146 path = strjoina("/var/lib/systemd/linger/", cc);
1154 if (manager_add_user_by_uid(m, uid, &u) >= 0)
1161 if (r < 0 && errno != ENOENT)
1164 u = hashmap_get(m->users, UID_TO_PTR(uid));
1166 user_add_to_gc_queue(u);
1169 return sd_bus_reply_method_return(message, NULL);
1172 static int trigger_device(Manager *m, struct udev_device *d) {
1173 _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
1174 struct udev_list_entry *first, *item;
1179 e = udev_enumerate_new(m->udev);
1184 r = udev_enumerate_add_match_parent(e, d);
1189 r = udev_enumerate_scan_devices(e);
1193 first = udev_enumerate_get_list_entry(e);
1194 udev_list_entry_foreach(item, first) {
1195 _cleanup_free_ char *t = NULL;
1198 p = udev_list_entry_get_name(item);
1200 t = strappend(p, "/uevent");
1204 write_string_file(t, "change", WRITE_STRING_FILE_CREATE);
1210 static int attach_device(Manager *m, const char *seat, const char *sysfs) {
1211 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
1212 _cleanup_free_ char *rule = NULL, *file = NULL;
1213 const char *id_for_seat;
1220 d = udev_device_new_from_syspath(m->udev, sysfs);
1224 if (!udev_device_has_tag(d, "seat"))
1227 id_for_seat = udev_device_get_property_value(d, "ID_FOR_SEAT");
1231 if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0)
1234 if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0)
1237 mkdir_p_label("/etc/udev/rules.d", 0755);
1238 mac_selinux_init("/etc");
1239 r = write_string_file_atomic_label(file, rule);
1243 return trigger_device(m, d);
1246 static int flush_devices(Manager *m) {
1247 _cleanup_closedir_ DIR *d;
1251 d = opendir("/etc/udev/rules.d");
1253 if (errno != ENOENT)
1254 log_warning_errno(errno, "Failed to open /etc/udev/rules.d: %m");
1258 while ((de = readdir(d))) {
1260 if (!dirent_is_file(de))
1263 if (!startswith(de->d_name, "72-seat-"))
1266 if (!endswith(de->d_name, ".rules"))
1269 if (unlinkat(dirfd(d), de->d_name, 0) < 0)
1270 log_warning_errno(errno, "Failed to unlink %s: %m", de->d_name);
1274 return trigger_device(m, NULL);
1277 static int method_attach_device(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1278 const char *sysfs, *seat;
1279 Manager *m = userdata;
1285 r = sd_bus_message_read(message, "ssb", &seat, &sysfs, &interactive);
1289 if (!path_startswith(sysfs, "/sys"))
1290 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not in /sys", sysfs);
1292 if (!seat_name_is_valid(seat))
1293 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat %s is not valid", seat);
1295 r = bus_verify_polkit_async(
1298 "org.freedesktop.login1.attach-device",
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 = attach_device(m, seat, sysfs);
1313 return sd_bus_reply_method_return(message, NULL);
1316 static int method_flush_devices(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1317 Manager *m = userdata;
1323 r = sd_bus_message_read(message, "b", &interactive);
1327 r = bus_verify_polkit_async(
1330 "org.freedesktop.login1.flush-devices",
1334 &m->polkit_registry,
1339 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1341 r = flush_devices(m);
1345 return sd_bus_reply_method_return(message, NULL);
1348 static int have_multiple_sessions(
1357 /* Check for other users' sessions. Greeter sessions do not
1358 * count, and non-login sessions do not count either. */
1359 HASHMAP_FOREACH(session, m->sessions, i)
1360 if (session->class == SESSION_USER &&
1361 session->user->uid != uid)
1367 static int bus_manager_log_shutdown(
1370 #if 0 /// elogind does not support systemd units
1371 const char *unit_name) {
1378 if (w != INHIBIT_SHUTDOWN)
1381 if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) {
1382 p = "MESSAGE=System is powering down";
1383 q = "SHUTDOWN=power-off";
1384 } else if (streq(unit_name, SPECIAL_HALT_TARGET)) {
1385 p = "MESSAGE=System is halting";
1386 q = "SHUTDOWN=halt";
1387 } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) {
1388 p = "MESSAGE=System is rebooting";
1389 q = "SHUTDOWN=reboot";
1390 } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) {
1391 p = "MESSAGE=System is rebooting with kexec";
1392 q = "SHUTDOWN=kexec";
1394 p = "MESSAGE=System is shutting down";
1398 HandleAction action) {
1404 if (w != INHIBIT_SHUTDOWN)
1408 case HANDLE_POWEROFF:
1409 p = "MESSAGE=System is powering down.";
1410 q = "SHUTDOWN=power-off";
1413 p = "MESSAGE=System is halting.";
1414 q = "SHUTDOWN=halt";
1417 p = "MESSAGE=System is rebooting.";
1418 q = "SHUTDOWN=reboot";
1421 p = "MESSAGE=System is rebooting with kexec.";
1422 q = "SHUTDOWN=kexec";
1425 p = "MESSAGE=System is shutting down.";
1429 if (isempty(m->wall_message))
1430 p = strjoina(p, ".");
1432 p = strjoina(p, " (", m->wall_message, ").");
1434 return log_struct(LOG_NOTICE,
1435 LOG_MESSAGE_ID(SD_MESSAGE_SHUTDOWN),
1441 static int lid_switch_ignore_handler(sd_event_source *e, uint64_t usec, void *userdata) {
1442 Manager *m = userdata;
1447 m->lid_switch_ignore_event_source = sd_event_source_unref(m->lid_switch_ignore_event_source);
1451 int manager_set_lid_switch_ignore(Manager *m, usec_t until) {
1456 if (until <= now(CLOCK_MONOTONIC))
1459 /* We want to ignore the lid switch for a while after each
1460 * suspend, and after boot-up. Hence let's install a timer for
1461 * this. As long as the event source exists we ignore the lid
1464 if (m->lid_switch_ignore_event_source) {
1467 r = sd_event_source_get_time(m->lid_switch_ignore_event_source, &u);
1474 r = sd_event_source_set_time(m->lid_switch_ignore_event_source, until);
1476 r = sd_event_add_time(
1478 &m->lid_switch_ignore_event_source,
1481 lid_switch_ignore_handler, m);
1486 static void reset_scheduled_shutdown(Manager *m) {
1487 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
1488 m->wall_message_timeout_source = sd_event_source_unref(m->wall_message_timeout_source);
1489 m->nologin_timeout_source = sd_event_source_unref(m->nologin_timeout_source);
1490 m->scheduled_shutdown_type = mfree(m->scheduled_shutdown_type);
1491 m->scheduled_shutdown_timeout = 0;
1492 m->shutdown_dry_run = false;
1494 if (m->unlink_nologin) {
1495 (void) unlink("/run/nologin");
1496 m->unlink_nologin = false;
1500 static int execute_shutdown_or_sleep(
1503 HandleAction action,
1504 sd_bus_error *error) {
1506 #if 0 /// elogind does not need these, we do it ourselves
1507 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
1515 assert(w < _INHIBIT_WHAT_MAX);
1517 bus_manager_log_shutdown(m, w, action);
1519 #if 0 /// elogind does it directly without depending on systemd running the system
1520 if (m->shutdown_dry_run) {
1521 log_info("Running in dry run, suppressing action.");
1522 reset_scheduled_shutdown(m);
1524 r = sd_bus_call_method(
1526 "org.freedesktop.systemd1",
1527 "/org/freedesktop/systemd1",
1528 "org.freedesktop.systemd1.Manager",
1532 "ss", NULL, "replace-irreversibly");
1534 r = shutdown_or_sleep(m, action);
1539 #if 0 /// elogind neither needs a dbus reply, nor supports systemd action jobs
1540 r = sd_bus_message_read(reply, "o", &p);
1549 m->action_unit = unit_name;
1550 free(m->action_job);
1555 /* Make sure the lid switch is ignored for a while */
1556 manager_set_lid_switch_ignore(m, now(CLOCK_MONOTONIC) + m->holdoff_timeout_usec);
1561 int manager_dispatch_delayed(Manager *manager, bool timeout) {
1563 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
1564 Inhibitor *offending = NULL;
1569 if ( (0 == manager->action_what) || (HANDLE_IGNORE == manager->pending_action) )
1572 if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0, &offending)) {
1573 _cleanup_free_ char *comm = NULL, *u = NULL;
1578 (void) get_process_comm(offending->pid, &comm);
1579 u = uid_to_name(offending->uid);
1581 log_notice("Delay lock is active (UID "UID_FMT"/%s, PID "PID_FMT"/%s) but inhibitor timeout is reached.",
1582 offending->uid, strna(u),
1583 offending->pid, strna(comm));
1586 /* Actually do the operation */
1587 r = execute_shutdown_or_sleep(manager, manager->action_what, manager->pending_action, &error);
1589 log_warning("Failed to send delayed message: %s", bus_error_message(&error, r));
1591 manager->pending_action = HANDLE_IGNORE;
1592 manager->action_what = 0;
1599 static int manager_inhibit_timeout_handler(
1604 Manager *manager = userdata;
1608 assert(manager->inhibit_timeout_source == s);
1610 r = manager_dispatch_delayed(manager, true);
1611 return (r < 0) ? r : 0;
1614 static int delay_shutdown_or_sleep(
1617 HandleAction action) {
1624 assert(w < _INHIBIT_WHAT_MAX);
1626 timeout_val = now(CLOCK_MONOTONIC) + m->inhibit_delay_max;
1628 if (m->inhibit_timeout_source) {
1629 r = sd_event_source_set_time(m->inhibit_timeout_source, timeout_val);
1631 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
1633 r = sd_event_source_set_enabled(m->inhibit_timeout_source, SD_EVENT_ONESHOT);
1635 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
1637 r = sd_event_add_time(m->event, &m->inhibit_timeout_source, CLOCK_MONOTONIC,
1638 timeout_val, 0, manager_inhibit_timeout_handler, m);
1643 m->pending_action = action;
1649 static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) {
1651 static const char * const signal_name[_INHIBIT_WHAT_MAX] = {
1652 [INHIBIT_SHUTDOWN] = "PrepareForShutdown",
1653 [INHIBIT_SLEEP] = "PrepareForSleep"
1656 int active = _active;
1660 assert(w < _INHIBIT_WHAT_MAX);
1661 assert(signal_name[w]);
1663 return sd_bus_emit_signal(m->bus,
1664 "/org/freedesktop/login1",
1665 "org.freedesktop.login1.Manager",
1671 int bus_manager_shutdown_or_sleep_now_or_later(
1673 HandleAction action,
1675 sd_bus_error *error) {
1682 assert(w <= _INHIBIT_WHAT_MAX);
1684 /* Tell everybody to prepare for shutdown/sleep */
1685 send_prepare_for(m, w, true);
1688 m->inhibit_delay_max > 0 &&
1689 manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0, NULL);
1692 /* Shutdown is delayed, keep in mind what we
1693 * want to do, and start a timeout */
1694 r = delay_shutdown_or_sleep(m, w, action);
1696 /* Shutdown is not delayed, execute it
1698 r = execute_shutdown_or_sleep(m, w, action, error);
1703 static int verify_shutdown_creds(
1705 sd_bus_message *message,
1709 const char *action_multiple_sessions,
1710 const char *action_ignore_inhibit,
1711 sd_bus_error *error) {
1713 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
1714 bool multiple_sessions, blocked;
1721 assert(w <= _INHIBIT_WHAT_MAX);
1723 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds);
1727 r = sd_bus_creds_get_euid(creds, &uid);
1731 r = have_multiple_sessions(m, uid);
1735 multiple_sessions = r > 0;
1736 blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
1738 if (multiple_sessions && action_multiple_sessions) {
1739 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1743 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1746 if (blocked && action_ignore_inhibit) {
1747 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1751 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1754 if (!multiple_sessions && !blocked && action) {
1755 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1759 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1765 static int method_do_shutdown_or_sleep(
1767 sd_bus_message *message,
1768 HandleAction sleep_action,
1771 const char *action_multiple_sessions,
1772 const char *action_ignore_inhibit,
1773 const char *sleep_verb,
1774 sd_bus_error *error) {
1781 assert(w <= _INHIBIT_WHAT_MAX);
1783 r = sd_bus_message_read(message, "b", &interactive);
1787 /* Don't allow multiple jobs being executed at the same time */
1789 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "There's already a shutdown or sleep operation in progress");
1792 r = can_sleep(sleep_verb);
1797 return sd_bus_error_setf(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, "Sleep verb not supported");
1800 r = verify_shutdown_creds(m, message, w, interactive, action, action_multiple_sessions,
1801 action_ignore_inhibit, error);
1805 r = bus_manager_shutdown_or_sleep_now_or_later(m, sleep_action, w, error);
1809 return sd_bus_reply_method_return(message, NULL);
1812 static int method_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1813 Manager *m = userdata;
1815 return method_do_shutdown_or_sleep(
1819 "org.freedesktop.login1.power-off",
1820 "org.freedesktop.login1.power-off-multiple-sessions",
1821 "org.freedesktop.login1.power-off-ignore-inhibit",
1826 static int method_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1827 Manager *m = userdata;
1829 return method_do_shutdown_or_sleep(
1833 "org.freedesktop.login1.reboot",
1834 "org.freedesktop.login1.reboot-multiple-sessions",
1835 "org.freedesktop.login1.reboot-ignore-inhibit",
1840 static int method_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1841 Manager *m = userdata;
1843 return method_do_shutdown_or_sleep(
1847 "org.freedesktop.login1.suspend",
1848 "org.freedesktop.login1.suspend-multiple-sessions",
1849 "org.freedesktop.login1.suspend-ignore-inhibit",
1854 static int nologin_timeout_handler(
1859 Manager *m = userdata;
1862 log_info("Creating /run/nologin, blocking further logins...");
1864 r = write_string_file("/run/nologin", "System is going down.", WRITE_STRING_FILE_CREATE|WRITE_STRING_FILE_ATOMIC);
1866 log_error_errno(r, "Failed to create /run/nologin: %m");
1868 m->unlink_nologin = true;
1873 static int update_schedule_file(Manager *m) {
1874 _cleanup_free_ char *temp_path = NULL;
1875 _cleanup_fclose_ FILE *f = NULL;
1880 r = mkdir_safe_label("/run/systemd/shutdown", 0755, 0, 0);
1882 return log_error_errno(r, "Failed to create shutdown subdirectory: %m");
1884 r = fopen_temporary("/run/systemd/shutdown/scheduled", &f, &temp_path);
1886 return log_error_errno(r, "Failed to save information about scheduled shutdowns: %m");
1888 (void) fchmod(fileno(f), 0644);
1894 m->scheduled_shutdown_timeout,
1895 m->enable_wall_messages,
1896 m->scheduled_shutdown_type);
1898 if (!isempty(m->wall_message)) {
1899 _cleanup_free_ char *t;
1901 t = cescape(m->wall_message);
1907 fprintf(f, "WALL_MESSAGE=%s\n", t);
1910 r = fflush_and_check(f);
1914 if (rename(temp_path, "/run/systemd/shutdown/scheduled") < 0) {
1922 (void) unlink(temp_path);
1923 (void) unlink("/run/systemd/shutdown/scheduled");
1925 return log_error_errno(r, "Failed to write information about scheduled shutdowns: %m");
1928 static int manager_scheduled_shutdown_handler(
1933 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
1934 Manager *m = userdata;
1935 HandleAction action;
1940 if (isempty(m->scheduled_shutdown_type))
1943 if (streq(m->scheduled_shutdown_type, "halt"))
1944 action = HANDLE_HALT;
1945 else if (streq(m->scheduled_shutdown_type, "poweroff"))
1946 action = HANDLE_POWEROFF;
1948 action = HANDLE_REBOOT;
1950 r = execute_shutdown_or_sleep(m, 0, action, &error);
1952 return log_error_errno(r, "Unable to execute transition to %s: %m", m->scheduled_shutdown_type);
1957 static int method_schedule_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1958 Manager *m = userdata;
1959 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
1960 const char *action_multiple_sessions = NULL;
1961 const char *action_ignore_inhibit = NULL;
1962 const char *action = NULL;
1970 r = sd_bus_message_read(message, "st", &type, &elapse);
1974 if (startswith(type, "dry-")) {
1976 m->shutdown_dry_run = true;
1979 if (streq(type, "reboot")) {
1980 action = "org.freedesktop.login1.reboot";
1981 action_multiple_sessions = "org.freedesktop.login1.reboot-multiple-sessions";
1982 action_ignore_inhibit = "org.freedesktop.login1.reboot-ignore-inhibit";
1983 } else if (streq(type, "halt")) {
1984 action = "org.freedesktop.login1.halt";
1985 action_multiple_sessions = "org.freedesktop.login1.halt-multiple-sessions";
1986 action_ignore_inhibit = "org.freedesktop.login1.halt-ignore-inhibit";
1987 } else if (streq(type, "poweroff")) {
1988 action = "org.freedesktop.login1.poweroff";
1989 action_multiple_sessions = "org.freedesktop.login1.poweroff-multiple-sessions";
1990 action_ignore_inhibit = "org.freedesktop.login1.poweroff-ignore-inhibit";
1992 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unsupported shutdown type");
1994 r = verify_shutdown_creds(m, message, INHIBIT_SHUTDOWN, false,
1995 action, action_multiple_sessions, action_ignore_inhibit, error);
1999 if (m->scheduled_shutdown_timeout_source) {
2000 r = sd_event_source_set_time(m->scheduled_shutdown_timeout_source, elapse);
2002 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
2004 r = sd_event_source_set_enabled(m->scheduled_shutdown_timeout_source, SD_EVENT_ONESHOT);
2006 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
2008 r = sd_event_add_time(m->event, &m->scheduled_shutdown_timeout_source,
2009 CLOCK_REALTIME, elapse, 0, manager_scheduled_shutdown_handler, m);
2011 return log_error_errno(r, "sd_event_add_time() failed: %m");
2014 r = free_and_strdup(&m->scheduled_shutdown_type, type);
2016 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
2020 if (m->nologin_timeout_source) {
2021 r = sd_event_source_set_time(m->nologin_timeout_source, elapse);
2023 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
2025 r = sd_event_source_set_enabled(m->nologin_timeout_source, SD_EVENT_ONESHOT);
2027 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
2029 r = sd_event_add_time(m->event, &m->nologin_timeout_source,
2030 CLOCK_REALTIME, elapse - 5 * USEC_PER_MINUTE, 0, nologin_timeout_handler, m);
2032 return log_error_errno(r, "sd_event_add_time() failed: %m");
2035 m->scheduled_shutdown_timeout = elapse;
2037 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds);
2041 (void) sd_bus_creds_get_uid(creds, &m->scheduled_shutdown_uid);
2042 (void) sd_bus_creds_get_tty(creds, &tty);
2044 r = free_and_strdup(&m->scheduled_shutdown_tty, tty);
2046 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
2051 #if 0 /// elogind does not support utmp-wtmp
2052 r = manager_setup_wall_message_timer(m);
2057 if (!isempty(type)) {
2058 r = update_schedule_file(m);
2062 (void) unlink("/run/systemd/shutdown/scheduled");
2064 return sd_bus_reply_method_return(message, NULL);
2067 static int method_cancel_scheduled_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2068 Manager *m = userdata;
2074 cancelled = m->scheduled_shutdown_type != NULL;
2075 reset_scheduled_shutdown(m);
2077 #if 0 /// elogind does not support utmp-wtmp
2079 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
2080 const char *tty = NULL;
2084 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds);
2086 (void) sd_bus_creds_get_uid(creds, &uid);
2087 (void) sd_bus_creds_get_tty(creds, &tty);
2090 utmp_wall("The system shutdown has been cancelled",
2091 uid_to_name(uid), tty, logind_wall_tty_filter, m);
2095 return sd_bus_reply_method_return(message, "b", cancelled);
2098 static int method_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2099 Manager *m = userdata;
2101 return method_do_shutdown_or_sleep(
2105 "org.freedesktop.login1.hibernate",
2106 "org.freedesktop.login1.hibernate-multiple-sessions",
2107 "org.freedesktop.login1.hibernate-ignore-inhibit",
2112 static int method_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2113 Manager *m = userdata;
2115 return method_do_shutdown_or_sleep(
2117 HANDLE_HYBRID_SLEEP,
2119 "org.freedesktop.login1.hibernate",
2120 "org.freedesktop.login1.hibernate-multiple-sessions",
2121 "org.freedesktop.login1.hibernate-ignore-inhibit",
2126 static int method_can_shutdown_or_sleep(
2128 sd_bus_message *message,
2131 const char *action_multiple_sessions,
2132 const char *action_ignore_inhibit,
2133 const char *sleep_verb,
2134 sd_bus_error *error) {
2136 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
2137 bool multiple_sessions, challenge, blocked;
2138 const char *result = NULL;
2145 assert(w <= _INHIBIT_WHAT_MAX);
2147 assert(action_multiple_sessions);
2148 assert(action_ignore_inhibit);
2151 r = can_sleep(sleep_verb);
2155 return sd_bus_reply_method_return(message, "s", "na");
2158 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds);
2162 r = sd_bus_creds_get_euid(creds, &uid);
2166 r = have_multiple_sessions(m, uid);
2170 multiple_sessions = r > 0;
2171 blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
2173 if (multiple_sessions) {
2174 r = bus_test_polkit(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, UID_INVALID, &challenge, error);
2181 result = "challenge";
2187 r = bus_test_polkit(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, UID_INVALID, &challenge, error);
2191 if (r > 0 && !result)
2193 else if (challenge && (!result || streq(result, "yes")))
2194 result = "challenge";
2199 if (!multiple_sessions && !blocked) {
2200 /* If neither inhibit nor multiple sessions
2201 * apply then just check the normal policy */
2203 r = bus_test_polkit(message, CAP_SYS_BOOT, action, NULL, UID_INVALID, &challenge, error);
2210 result = "challenge";
2215 return sd_bus_reply_method_return(message, "s", result);
2218 static int method_can_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2219 Manager *m = userdata;
2221 return method_can_shutdown_or_sleep(
2224 "org.freedesktop.login1.power-off",
2225 "org.freedesktop.login1.power-off-multiple-sessions",
2226 "org.freedesktop.login1.power-off-ignore-inhibit",
2231 static int method_can_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2232 Manager *m = userdata;
2234 return method_can_shutdown_or_sleep(
2237 "org.freedesktop.login1.reboot",
2238 "org.freedesktop.login1.reboot-multiple-sessions",
2239 "org.freedesktop.login1.reboot-ignore-inhibit",
2244 static int method_can_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2245 Manager *m = userdata;
2247 return method_can_shutdown_or_sleep(
2250 "org.freedesktop.login1.suspend",
2251 "org.freedesktop.login1.suspend-multiple-sessions",
2252 "org.freedesktop.login1.suspend-ignore-inhibit",
2257 static int method_can_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2258 Manager *m = userdata;
2260 return method_can_shutdown_or_sleep(
2263 "org.freedesktop.login1.hibernate",
2264 "org.freedesktop.login1.hibernate-multiple-sessions",
2265 "org.freedesktop.login1.hibernate-ignore-inhibit",
2270 static int method_can_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2271 Manager *m = userdata;
2273 return method_can_shutdown_or_sleep(
2276 "org.freedesktop.login1.hibernate",
2277 "org.freedesktop.login1.hibernate-multiple-sessions",
2278 "org.freedesktop.login1.hibernate-ignore-inhibit",
2283 static int property_get_reboot_to_firmware_setup(
2286 const char *interface,
2287 const char *property,
2288 sd_bus_message *reply,
2290 sd_bus_error *error) {
2291 #if 0 /// elogind does not support EFI
2298 r = efi_get_reboot_to_firmware();
2299 if (r < 0 && r != -EOPNOTSUPP)
2302 return sd_bus_message_append(reply, "b", r > 0);
2304 return sd_bus_message_append(reply, "b", -EOPNOTSUPP);
2308 static int method_set_reboot_to_firmware_setup(
2309 sd_bus_message *message,
2311 sd_bus_error *error) {
2314 Manager *m = userdata;
2319 r = sd_bus_message_read(message, "b", &b);
2323 r = bus_verify_polkit_async(message,
2325 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2329 &m->polkit_registry,
2334 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2336 #if 0 /// elogind does not support EFI
2337 r = efi_set_reboot_to_firmware(b);
2342 return sd_bus_reply_method_return(message, NULL);
2345 static int method_can_reboot_to_firmware_setup(
2346 sd_bus_message *message,
2348 sd_bus_error *error) {
2350 #if 0 /// elogind does not support EFI
2354 Manager *m = userdata;
2359 r = efi_reboot_to_firmware_supported();
2360 if (r == -EOPNOTSUPP)
2361 return sd_bus_reply_method_return(message, "s", "na");
2365 r = bus_test_polkit(message,
2367 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2378 result = "challenge";
2382 return sd_bus_reply_method_return(message, "s", result);
2384 return sd_bus_reply_method_return(message, "s", "na");
2388 static int method_set_wall_message(
2389 sd_bus_message *message,
2391 sd_bus_error *error) {
2394 Manager *m = userdata;
2396 int enable_wall_messages;
2401 r = sd_bus_message_read(message, "sb", &wall_message, &enable_wall_messages);
2405 r = bus_verify_polkit_async(message,
2407 "org.freedesktop.login1.set-wall-message",
2411 &m->polkit_registry,
2416 return 1; /* Will call us back */
2418 if (isempty(wall_message))
2419 m->wall_message = mfree(m->wall_message);
2421 r = free_and_strdup(&m->wall_message, wall_message);
2426 m->enable_wall_messages = enable_wall_messages;
2428 return sd_bus_reply_method_return(message, NULL);
2431 static int method_inhibit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2432 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
2433 const char *who, *why, *what, *mode;
2434 _cleanup_free_ char *id = NULL;
2435 _cleanup_close_ int fifo_fd = -1;
2436 Manager *m = userdata;
2437 Inhibitor *i = NULL;
2447 r = sd_bus_message_read(message, "ssss", &what, &who, &why, &mode);
2451 w = inhibit_what_from_string(what);
2453 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid what specification %s", what);
2455 mm = inhibit_mode_from_string(mode);
2457 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid mode specification %s", mode);
2459 /* Delay is only supported for shutdown/sleep */
2460 if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP)))
2461 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Delay inhibitors only supported for shutdown and sleep");
2463 /* Don't allow taking delay locks while we are already
2464 * executing the operation. We shouldn't create the impression
2465 * that the lock was successful if the machine is about to go
2466 * down/suspend any moment. */
2467 if (m->action_what & w)
2468 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "The operation inhibition has been requested for is already running");
2470 r = bus_verify_polkit_async(
2473 w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") :
2474 w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") :
2475 w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" :
2476 w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" :
2477 w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" :
2478 w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" :
2479 "org.freedesktop.login1.inhibit-handle-lid-switch",
2483 &m->polkit_registry,
2488 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2490 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID|SD_BUS_CREDS_PID, &creds);
2494 r = sd_bus_creds_get_euid(creds, &uid);
2498 r = sd_bus_creds_get_pid(creds, &pid);
2505 if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0)
2508 } while (hashmap_get(m->inhibitors, id));
2510 r = manager_add_inhibitor(m, id, &i);
2518 i->why = strdup(why);
2519 i->who = strdup(who);
2521 if (!i->why || !i->who) {
2526 fifo_fd = inhibitor_create_fifo(i);
2534 return sd_bus_reply_method_return(message, "h", fifo_fd);
2543 const sd_bus_vtable manager_vtable[] = {
2544 SD_BUS_VTABLE_START(0),
2546 SD_BUS_WRITABLE_PROPERTY("EnableWallMessages", "b", NULL, NULL, offsetof(Manager, enable_wall_messages), 0),
2547 SD_BUS_WRITABLE_PROPERTY("WallMessage", "s", NULL, NULL, offsetof(Manager, wall_message), 0),
2549 // SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), SD_BUS_VTABLE_PROPERTY_CONST),
2550 SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), SD_BUS_VTABLE_PROPERTY_CONST),
2551 SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), SD_BUS_VTABLE_PROPERTY_CONST),
2552 SD_BUS_PROPERTY("KillUserProcesses", "b", NULL, offsetof(Manager, kill_user_processes), SD_BUS_VTABLE_PROPERTY_CONST),
2553 SD_BUS_PROPERTY("RebootToFirmwareSetup", "b", property_get_reboot_to_firmware_setup, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2554 SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2555 SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2556 SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2557 SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2558 SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2559 SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL, offsetof(Manager, inhibit_delay_max), SD_BUS_VTABLE_PROPERTY_CONST),
2560 SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action, offsetof(Manager, handle_power_key), SD_BUS_VTABLE_PROPERTY_CONST),
2561 SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action, offsetof(Manager, handle_suspend_key), SD_BUS_VTABLE_PROPERTY_CONST),
2562 SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action, offsetof(Manager, handle_hibernate_key), SD_BUS_VTABLE_PROPERTY_CONST),
2563 SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch), SD_BUS_VTABLE_PROPERTY_CONST),
2564 SD_BUS_PROPERTY("HandleLidSwitchDocked", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_docked), SD_BUS_VTABLE_PROPERTY_CONST),
2565 SD_BUS_PROPERTY("HoldoffTimeoutUSec", "t", NULL, offsetof(Manager, holdoff_timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2566 SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action, offsetof(Manager, idle_action), SD_BUS_VTABLE_PROPERTY_CONST),
2567 SD_BUS_PROPERTY("IdleActionUSec", "t", NULL, offsetof(Manager, idle_action_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2568 SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing, 0, 0),
2569 SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing, 0, 0),
2570 SD_BUS_PROPERTY("ScheduledShutdown", "(st)", property_get_scheduled_shutdown, 0, 0),
2571 SD_BUS_PROPERTY("Docked", "b", property_get_docked, 0, 0),
2573 SD_BUS_METHOD("GetSession", "s", "o", method_get_session, SD_BUS_VTABLE_UNPRIVILEGED),
2574 SD_BUS_METHOD("GetSessionByPID", "u", "o", method_get_session_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
2575 SD_BUS_METHOD("GetUser", "u", "o", method_get_user, SD_BUS_VTABLE_UNPRIVILEGED),
2576 SD_BUS_METHOD("GetUserByPID", "u", "o", method_get_user_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
2577 SD_BUS_METHOD("GetSeat", "s", "o", method_get_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2578 SD_BUS_METHOD("ListSessions", NULL, "a(susso)", method_list_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2579 SD_BUS_METHOD("ListUsers", NULL, "a(uso)", method_list_users, SD_BUS_VTABLE_UNPRIVILEGED),
2580 SD_BUS_METHOD("ListSeats", NULL, "a(so)", method_list_seats, SD_BUS_VTABLE_UNPRIVILEGED),
2581 SD_BUS_METHOD("ListInhibitors", NULL, "a(ssssuu)", method_list_inhibitors, SD_BUS_VTABLE_UNPRIVILEGED),
2582 SD_BUS_METHOD("CreateSession", "uusssssussbssa(sv)", "soshusub", method_create_session, 0),
2583 SD_BUS_METHOD("ReleaseSession", "s", NULL, method_release_session, 0),
2584 SD_BUS_METHOD("ActivateSession", "s", NULL, method_activate_session, SD_BUS_VTABLE_UNPRIVILEGED),
2585 SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL, method_activate_session_on_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2586 SD_BUS_METHOD("LockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED),
2587 SD_BUS_METHOD("UnlockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED),
2588 SD_BUS_METHOD("LockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2589 SD_BUS_METHOD("UnlockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2590 SD_BUS_METHOD("KillSession", "ssi", NULL, method_kill_session, SD_BUS_VTABLE_UNPRIVILEGED),
2591 SD_BUS_METHOD("KillUser", "ui", NULL, method_kill_user, SD_BUS_VTABLE_UNPRIVILEGED),
2592 SD_BUS_METHOD("TerminateSession", "s", NULL, method_terminate_session, SD_BUS_VTABLE_UNPRIVILEGED),
2593 SD_BUS_METHOD("TerminateUser", "u", NULL, method_terminate_user, SD_BUS_VTABLE_UNPRIVILEGED),
2594 SD_BUS_METHOD("TerminateSeat", "s", NULL, method_terminate_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2595 SD_BUS_METHOD("SetUserLinger", "ubb", NULL, method_set_user_linger, SD_BUS_VTABLE_UNPRIVILEGED),
2596 SD_BUS_METHOD("AttachDevice", "ssb", NULL, method_attach_device, SD_BUS_VTABLE_UNPRIVILEGED),
2597 SD_BUS_METHOD("FlushDevices", "b", NULL, method_flush_devices, SD_BUS_VTABLE_UNPRIVILEGED),
2598 SD_BUS_METHOD("PowerOff", "b", NULL, method_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
2599 SD_BUS_METHOD("Reboot", "b", NULL, method_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
2600 SD_BUS_METHOD("Suspend", "b", NULL, method_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
2601 SD_BUS_METHOD("Hibernate", "b", NULL, method_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
2602 SD_BUS_METHOD("HybridSleep", "b", NULL, method_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
2603 SD_BUS_METHOD("CanPowerOff", NULL, "s", method_can_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
2604 SD_BUS_METHOD("CanReboot", NULL, "s", method_can_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
2605 SD_BUS_METHOD("CanSuspend", NULL, "s", method_can_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
2606 SD_BUS_METHOD("CanHibernate", NULL, "s", method_can_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
2607 SD_BUS_METHOD("CanHybridSleep", NULL, "s", method_can_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
2608 SD_BUS_METHOD("ScheduleShutdown", "st", NULL, method_schedule_shutdown, SD_BUS_VTABLE_UNPRIVILEGED),
2609 SD_BUS_METHOD("CancelScheduledShutdown", NULL, "b", method_cancel_scheduled_shutdown, SD_BUS_VTABLE_UNPRIVILEGED),
2610 SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit, SD_BUS_VTABLE_UNPRIVILEGED),
2611 SD_BUS_METHOD("CanRebootToFirmwareSetup", NULL, "s", method_can_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED),
2612 SD_BUS_METHOD("SetRebootToFirmwareSetup", "b", NULL, method_set_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED),
2613 SD_BUS_METHOD("SetWallMessage", "sb", NULL, method_set_wall_message, SD_BUS_VTABLE_UNPRIVILEGED),
2615 SD_BUS_SIGNAL("SessionNew", "so", 0),
2616 SD_BUS_SIGNAL("SessionRemoved", "so", 0),
2617 SD_BUS_SIGNAL("UserNew", "uo", 0),
2618 SD_BUS_SIGNAL("UserRemoved", "uo", 0),
2619 SD_BUS_SIGNAL("SeatNew", "so", 0),
2620 SD_BUS_SIGNAL("SeatRemoved", "so", 0),
2621 SD_BUS_SIGNAL("PrepareForShutdown", "b", 0),
2622 SD_BUS_SIGNAL("PrepareForSleep", "b", 0),
2627 #if 0 /// UNNEEDED by elogind
2628 static int session_jobs_reply(Session *s, const char *unit, const char *result) {
2637 if (streq(result, "done"))
2638 r = session_send_create_reply(s, NULL);
2640 _cleanup_bus_error_free_ sd_bus_error e = SD_BUS_ERROR_NULL;
2642 sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result);
2643 r = session_send_create_reply(s, &e);
2649 int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2650 const char *path, *result, *unit;
2651 Manager *m = userdata;
2660 r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result);
2662 bus_log_parse_error(r);
2666 if (m->action_job && streq(m->action_job, path)) {
2667 log_info("Operation '%s' finished.", inhibit_what_to_string(m->action_what));
2669 /* Tell people that they now may take a lock again */
2670 send_prepare_for(m, m->action_what, false);
2672 m->action_job = mfree(m->action_job);
2673 m->action_unit = NULL;
2678 session = hashmap_get(m->session_units, unit);
2679 if (session && streq_ptr(path, session->scope_job)) {
2680 session->scope_job = mfree(session->scope_job);
2681 session_jobs_reply(session, unit, result);
2683 session_save(session);
2684 user_save(session->user);
2685 session_add_to_gc_queue(session);
2688 user = hashmap_get(m->user_units, unit);
2690 (streq_ptr(path, user->service_job) ||
2691 streq_ptr(path, user->slice_job))) {
2693 if (streq_ptr(path, user->service_job))
2694 user->service_job = mfree(user->service_job);
2696 if (streq_ptr(path, user->slice_job))
2697 user->slice_job = mfree(user->slice_job);
2699 LIST_FOREACH(sessions_by_user, session, user->sessions)
2700 session_jobs_reply(session, unit, result);
2703 user_add_to_gc_queue(user);
2709 int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2710 const char *path, *unit;
2711 Manager *m = userdata;
2719 r = sd_bus_message_read(message, "so", &unit, &path);
2721 bus_log_parse_error(r);
2725 session = hashmap_get(m->session_units, unit);
2727 session_add_to_gc_queue(session);
2729 user = hashmap_get(m->user_units, unit);
2731 user_add_to_gc_queue(user);
2736 int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2737 _cleanup_free_ char *unit = NULL;
2738 Manager *m = userdata;
2747 path = sd_bus_message_get_path(message);
2751 r = unit_name_from_dbus_path(path, &unit);
2752 if (r == -EINVAL) /* not a unit */
2759 session = hashmap_get(m->session_units, unit);
2761 session_add_to_gc_queue(session);
2763 user = hashmap_get(m->user_units, unit);
2765 user_add_to_gc_queue(user);
2770 int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2771 Manager *m = userdata;
2779 r = sd_bus_message_read(message, "b", &b);
2781 bus_log_parse_error(r);
2788 /* systemd finished reloading, let's recheck all our sessions */
2789 log_debug("System manager has been reloaded, rechecking sessions...");
2791 HASHMAP_FOREACH(session, m->sessions, i)
2792 session_add_to_gc_queue(session);
2798 int manager_send_changed(Manager *manager, const char *property, ...) {
2803 l = strv_from_stdarg_alloca(property);
2805 return sd_bus_emit_properties_changed_strv(
2807 "/org/freedesktop/login1",
2808 "org.freedesktop.login1.Manager",
2812 #if 0 /// UNNEEDED by elogind
2813 int manager_start_slice(
2816 const char *description,
2820 sd_bus_error *error,
2823 _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
2829 r = sd_bus_message_new_method_call(
2832 "org.freedesktop.systemd1",
2833 "/org/freedesktop/systemd1",
2834 "org.freedesktop.systemd1.Manager",
2835 "StartTransientUnit");
2839 r = sd_bus_message_append(m, "ss", strempty(slice), "fail");
2843 r = sd_bus_message_open_container(m, 'a', "(sv)");
2847 if (!isempty(description)) {
2848 r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
2853 if (!isempty(after)) {
2854 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after);
2859 if (!isempty(after2)) {
2860 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2);
2865 r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", tasks_max);
2869 r = sd_bus_message_close_container(m);
2873 r = sd_bus_message_append(m, "a(sa(sv))", 0);
2877 r = sd_bus_call(manager->bus, m, 0, error, &reply);
2885 r = sd_bus_message_read(reply, "o", &j);
2899 int manager_start_scope(
2904 const char *description,
2908 sd_bus_error *error,
2911 _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
2918 r = sd_bus_message_new_method_call(
2921 "org.freedesktop.systemd1",
2922 "/org/freedesktop/systemd1",
2923 "org.freedesktop.systemd1.Manager",
2924 "StartTransientUnit");
2928 r = sd_bus_message_append(m, "ss", strempty(scope), "fail");
2932 r = sd_bus_message_open_container(m, 'a', "(sv)");
2936 if (!isempty(slice)) {
2937 r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice);
2942 if (!isempty(description)) {
2943 r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
2948 if (!isempty(after)) {
2949 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after);
2954 if (!isempty(after2)) {
2955 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2);
2960 /* cgroup empty notification is not available in containers
2961 * currently. To make this less problematic, let's shorten the
2962 * stop timeout for sessions, so that we don't wait
2965 /* Make sure that the session shells are terminated with
2966 * SIGHUP since bash and friends tend to ignore SIGTERM */
2967 r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", true);
2971 r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid);
2975 r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", tasks_max);
2979 r = sd_bus_message_close_container(m);
2983 r = sd_bus_message_append(m, "a(sa(sv))", 0);
2987 r = sd_bus_call(manager->bus, m, 0, error, &reply);
2995 r = sd_bus_message_read(reply, "o", &j);
3009 int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
3010 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
3016 r = sd_bus_call_method(
3018 "org.freedesktop.systemd1",
3019 "/org/freedesktop/systemd1",
3020 "org.freedesktop.systemd1.Manager",
3024 "ss", unit, "replace");
3032 r = sd_bus_message_read(reply, "o", &j);
3046 int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
3047 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
3053 r = sd_bus_call_method(
3055 "org.freedesktop.systemd1",
3056 "/org/freedesktop/systemd1",
3057 "org.freedesktop.systemd1.Manager",
3061 "ss", unit, "fail");
3063 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
3064 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) {
3069 sd_bus_error_free(error);
3080 r = sd_bus_message_read(reply, "o", &j);
3094 int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error) {
3095 _cleanup_free_ char *path = NULL;
3101 path = unit_dbus_path_from_name(scope);
3105 r = sd_bus_call_method(
3107 "org.freedesktop.systemd1",
3109 "org.freedesktop.systemd1.Scope",
3115 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
3116 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED) ||
3117 sd_bus_error_has_name(error, BUS_ERROR_SCOPE_NOT_RUNNING)) {
3118 sd_bus_error_free(error);
3128 int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) {
3132 return sd_bus_call_method(
3134 "org.freedesktop.systemd1",
3135 "/org/freedesktop/systemd1",
3136 "org.freedesktop.systemd1.Manager",
3140 "ssi", unit, who == KILL_LEADER ? "main" : "all", signo);
3143 int manager_unit_is_active(Manager *manager, const char *unit) {
3144 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
3145 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
3146 _cleanup_free_ char *path = NULL;
3153 path = unit_dbus_path_from_name(unit);
3157 r = sd_bus_get_property(
3159 "org.freedesktop.systemd1",
3161 "org.freedesktop.systemd1.Unit",
3167 /* systemd might have droppped off momentarily, let's
3168 * not make this an error */
3169 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
3170 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
3173 /* If the unit is already unloaded then it's not
3175 if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) ||
3176 sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED))
3182 r = sd_bus_message_read(reply, "s", &state);
3186 return !streq(state, "inactive") && !streq(state, "failed");
3189 int manager_job_is_active(Manager *manager, const char *path) {
3190 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
3191 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
3197 r = sd_bus_get_property(
3199 "org.freedesktop.systemd1",
3201 "org.freedesktop.systemd1.Job",
3207 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
3208 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
3211 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT))
3217 /* We don't actually care about the state really. The fact
3218 * that we could read the job state is enough for us */