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"
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 /// elogind does not support systemd units
1372 const char *unit_name) {
1379 if (w != INHIBIT_SHUTDOWN)
1382 if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) {
1383 p = "MESSAGE=System is powering down";
1384 q = "SHUTDOWN=power-off";
1385 } else if (streq(unit_name, SPECIAL_HALT_TARGET)) {
1386 p = "MESSAGE=System is halting";
1387 q = "SHUTDOWN=halt";
1388 } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) {
1389 p = "MESSAGE=System is rebooting";
1390 q = "SHUTDOWN=reboot";
1391 } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) {
1392 p = "MESSAGE=System is rebooting with kexec";
1393 q = "SHUTDOWN=kexec";
1395 p = "MESSAGE=System is shutting down";
1399 HandleAction action) {
1405 if (w != INHIBIT_SHUTDOWN)
1409 case HANDLE_POWEROFF:
1410 p = "MESSAGE=System is powering down.";
1411 q = "SHUTDOWN=power-off";
1414 p = "MESSAGE=System is halting.";
1415 q = "SHUTDOWN=halt";
1418 p = "MESSAGE=System is rebooting.";
1419 q = "SHUTDOWN=reboot";
1422 p = "MESSAGE=System is rebooting with kexec.";
1423 q = "SHUTDOWN=kexec";
1426 p = "MESSAGE=System is shutting down.";
1430 if (isempty(m->wall_message))
1431 p = strjoina(p, ".");
1433 p = strjoina(p, " (", m->wall_message, ").");
1435 return log_struct(LOG_NOTICE,
1436 LOG_MESSAGE_ID(SD_MESSAGE_SHUTDOWN),
1442 static int lid_switch_ignore_handler(sd_event_source *e, uint64_t usec, void *userdata) {
1443 Manager *m = userdata;
1448 m->lid_switch_ignore_event_source = sd_event_source_unref(m->lid_switch_ignore_event_source);
1452 int manager_set_lid_switch_ignore(Manager *m, usec_t until) {
1457 if (until <= now(CLOCK_MONOTONIC))
1460 /* We want to ignore the lid switch for a while after each
1461 * suspend, and after boot-up. Hence let's install a timer for
1462 * this. As long as the event source exists we ignore the lid
1465 if (m->lid_switch_ignore_event_source) {
1468 r = sd_event_source_get_time(m->lid_switch_ignore_event_source, &u);
1475 r = sd_event_source_set_time(m->lid_switch_ignore_event_source, until);
1477 r = sd_event_add_time(
1479 &m->lid_switch_ignore_event_source,
1482 lid_switch_ignore_handler, m);
1487 static void reset_scheduled_shutdown(Manager *m) {
1488 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
1489 m->wall_message_timeout_source = sd_event_source_unref(m->wall_message_timeout_source);
1490 m->nologin_timeout_source = sd_event_source_unref(m->nologin_timeout_source);
1491 m->scheduled_shutdown_type = mfree(m->scheduled_shutdown_type);
1492 m->scheduled_shutdown_timeout = 0;
1493 m->shutdown_dry_run = false;
1495 if (m->unlink_nologin) {
1496 (void) unlink("/run/nologin");
1497 m->unlink_nologin = false;
1501 static int execute_shutdown_or_sleep(
1504 HandleAction action,
1505 sd_bus_error *error) {
1507 /// elogind does not need these, we do it ourselves
1509 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
1517 assert(w < _INHIBIT_WHAT_MAX);
1519 bus_manager_log_shutdown(m, w, action);
1521 /// elogind does it directly without depending on systemd running the system
1523 if (m->shutdown_dry_run) {
1524 log_info("Running in dry run, suppressing action.");
1525 reset_scheduled_shutdown(m);
1527 r = sd_bus_call_method(
1529 "org.freedesktop.systemd1",
1530 "/org/freedesktop/systemd1",
1531 "org.freedesktop.systemd1.Manager",
1535 "ss", NULL, "replace-irreversibly");
1537 r = shutdown_or_sleep(m, action);
1542 /// elogind neither needs a dbus reply, nor supports systemd action jobs
1544 r = sd_bus_message_read(reply, "o", &p);
1553 m->action_unit = unit_name;
1554 free(m->action_job);
1559 /* Make sure the lid switch is ignored for a while */
1560 manager_set_lid_switch_ignore(m, now(CLOCK_MONOTONIC) + m->holdoff_timeout_usec);
1565 int manager_dispatch_delayed(Manager *manager, bool timeout) {
1567 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
1568 Inhibitor *offending = NULL;
1573 if ( (0 == manager->action_what) || (HANDLE_IGNORE == manager->pending_action) )
1576 if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0, &offending)) {
1577 _cleanup_free_ char *comm = NULL, *u = NULL;
1582 (void) get_process_comm(offending->pid, &comm);
1583 u = uid_to_name(offending->uid);
1585 log_notice("Delay lock is active (UID "UID_FMT"/%s, PID "PID_FMT"/%s) but inhibitor timeout is reached.",
1586 offending->uid, strna(u),
1587 offending->pid, strna(comm));
1590 /* Actually do the operation */
1591 r = execute_shutdown_or_sleep(manager, manager->action_what, manager->pending_action, &error);
1593 log_warning("Failed to send delayed message: %s", bus_error_message(&error, r));
1595 manager->pending_action = HANDLE_IGNORE;
1596 manager->action_what = 0;
1603 static int manager_inhibit_timeout_handler(
1608 Manager *manager = userdata;
1612 assert(manager->inhibit_timeout_source == s);
1614 r = manager_dispatch_delayed(manager, true);
1615 return (r < 0) ? r : 0;
1618 static int delay_shutdown_or_sleep(
1621 HandleAction action) {
1628 assert(w < _INHIBIT_WHAT_MAX);
1630 timeout_val = now(CLOCK_MONOTONIC) + m->inhibit_delay_max;
1632 if (m->inhibit_timeout_source) {
1633 r = sd_event_source_set_time(m->inhibit_timeout_source, timeout_val);
1635 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
1637 r = sd_event_source_set_enabled(m->inhibit_timeout_source, SD_EVENT_ONESHOT);
1639 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
1641 r = sd_event_add_time(m->event, &m->inhibit_timeout_source, CLOCK_MONOTONIC,
1642 timeout_val, 0, manager_inhibit_timeout_handler, m);
1647 m->pending_action = action;
1653 static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) {
1655 static const char * const signal_name[_INHIBIT_WHAT_MAX] = {
1656 [INHIBIT_SHUTDOWN] = "PrepareForShutdown",
1657 [INHIBIT_SLEEP] = "PrepareForSleep"
1660 int active = _active;
1664 assert(w < _INHIBIT_WHAT_MAX);
1665 assert(signal_name[w]);
1667 return sd_bus_emit_signal(m->bus,
1668 "/org/freedesktop/login1",
1669 "org.freedesktop.login1.Manager",
1675 int bus_manager_shutdown_or_sleep_now_or_later(
1677 HandleAction action,
1679 sd_bus_error *error) {
1686 assert(w <= _INHIBIT_WHAT_MAX);
1688 /* Tell everybody to prepare for shutdown/sleep */
1689 send_prepare_for(m, w, true);
1692 m->inhibit_delay_max > 0 &&
1693 manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0, NULL);
1696 /* Shutdown is delayed, keep in mind what we
1697 * want to do, and start a timeout */
1698 r = delay_shutdown_or_sleep(m, w, action);
1700 /* Shutdown is not delayed, execute it
1702 r = execute_shutdown_or_sleep(m, w, action, error);
1707 static int verify_shutdown_creds(
1709 sd_bus_message *message,
1713 const char *action_multiple_sessions,
1714 const char *action_ignore_inhibit,
1715 sd_bus_error *error) {
1717 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
1718 bool multiple_sessions, blocked;
1725 assert(w <= _INHIBIT_WHAT_MAX);
1727 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds);
1731 r = sd_bus_creds_get_euid(creds, &uid);
1735 r = have_multiple_sessions(m, uid);
1739 multiple_sessions = r > 0;
1740 blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
1742 if (multiple_sessions && action_multiple_sessions) {
1743 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1747 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1750 if (blocked && action_ignore_inhibit) {
1751 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1755 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1758 if (!multiple_sessions && !blocked && action) {
1759 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1763 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1769 static int method_do_shutdown_or_sleep(
1771 sd_bus_message *message,
1772 HandleAction sleep_action,
1775 const char *action_multiple_sessions,
1776 const char *action_ignore_inhibit,
1777 const char *sleep_verb,
1778 sd_bus_error *error) {
1785 assert(w <= _INHIBIT_WHAT_MAX);
1787 r = sd_bus_message_read(message, "b", &interactive);
1791 /* Don't allow multiple jobs being executed at the same time */
1793 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "There's already a shutdown or sleep operation in progress");
1796 r = can_sleep(sleep_verb);
1801 return sd_bus_error_setf(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, "Sleep verb not supported");
1804 r = verify_shutdown_creds(m, message, w, interactive, action, action_multiple_sessions,
1805 action_ignore_inhibit, error);
1809 r = bus_manager_shutdown_or_sleep_now_or_later(m, sleep_action, w, error);
1813 return sd_bus_reply_method_return(message, NULL);
1816 static int method_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1817 Manager *m = userdata;
1819 return method_do_shutdown_or_sleep(
1823 "org.freedesktop.login1.power-off",
1824 "org.freedesktop.login1.power-off-multiple-sessions",
1825 "org.freedesktop.login1.power-off-ignore-inhibit",
1830 static int method_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1831 Manager *m = userdata;
1833 return method_do_shutdown_or_sleep(
1837 "org.freedesktop.login1.reboot",
1838 "org.freedesktop.login1.reboot-multiple-sessions",
1839 "org.freedesktop.login1.reboot-ignore-inhibit",
1844 static int method_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1845 Manager *m = userdata;
1847 return method_do_shutdown_or_sleep(
1851 "org.freedesktop.login1.suspend",
1852 "org.freedesktop.login1.suspend-multiple-sessions",
1853 "org.freedesktop.login1.suspend-ignore-inhibit",
1858 static int nologin_timeout_handler(
1863 Manager *m = userdata;
1866 log_info("Creating /run/nologin, blocking further logins...");
1868 r = write_string_file("/run/nologin", "System is going down.", WRITE_STRING_FILE_CREATE|WRITE_STRING_FILE_ATOMIC);
1870 log_error_errno(r, "Failed to create /run/nologin: %m");
1872 m->unlink_nologin = true;
1877 static int update_schedule_file(Manager *m) {
1878 _cleanup_free_ char *temp_path = NULL;
1879 _cleanup_fclose_ FILE *f = NULL;
1884 r = mkdir_safe_label("/run/systemd/shutdown", 0755, 0, 0);
1886 return log_error_errno(r, "Failed to create shutdown subdirectory: %m");
1888 r = fopen_temporary("/run/systemd/shutdown/scheduled", &f, &temp_path);
1890 return log_error_errno(r, "Failed to save information about scheduled shutdowns: %m");
1892 (void) fchmod(fileno(f), 0644);
1898 m->scheduled_shutdown_timeout,
1899 m->enable_wall_messages,
1900 m->scheduled_shutdown_type);
1902 if (!isempty(m->wall_message)) {
1903 _cleanup_free_ char *t;
1905 t = cescape(m->wall_message);
1911 fprintf(f, "WALL_MESSAGE=%s\n", t);
1914 r = fflush_and_check(f);
1918 if (rename(temp_path, "/run/systemd/shutdown/scheduled") < 0) {
1926 (void) unlink(temp_path);
1927 (void) unlink("/run/systemd/shutdown/scheduled");
1929 return log_error_errno(r, "Failed to write information about scheduled shutdowns: %m");
1932 static int manager_scheduled_shutdown_handler(
1937 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
1938 Manager *m = userdata;
1939 HandleAction action;
1944 if (isempty(m->scheduled_shutdown_type))
1947 if (streq(m->scheduled_shutdown_type, "halt"))
1948 action = HANDLE_HALT;
1949 else if (streq(m->scheduled_shutdown_type, "poweroff"))
1950 action = HANDLE_POWEROFF;
1952 action = HANDLE_REBOOT;
1954 r = execute_shutdown_or_sleep(m, 0, action, &error);
1956 return log_error_errno(r, "Unable to execute transition to %s: %m", m->scheduled_shutdown_type);
1961 static int method_schedule_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1962 Manager *m = userdata;
1963 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
1964 const char *action_multiple_sessions = NULL;
1965 const char *action_ignore_inhibit = NULL;
1966 const char *action = NULL;
1974 r = sd_bus_message_read(message, "st", &type, &elapse);
1978 if (startswith(type, "dry-")) {
1980 m->shutdown_dry_run = true;
1983 if (streq(type, "reboot")) {
1984 action = "org.freedesktop.login1.reboot";
1985 action_multiple_sessions = "org.freedesktop.login1.reboot-multiple-sessions";
1986 action_ignore_inhibit = "org.freedesktop.login1.reboot-ignore-inhibit";
1987 } else if (streq(type, "halt")) {
1988 action = "org.freedesktop.login1.halt";
1989 action_multiple_sessions = "org.freedesktop.login1.halt-multiple-sessions";
1990 action_ignore_inhibit = "org.freedesktop.login1.halt-ignore-inhibit";
1991 } else if (streq(type, "poweroff")) {
1992 action = "org.freedesktop.login1.poweroff";
1993 action_multiple_sessions = "org.freedesktop.login1.poweroff-multiple-sessions";
1994 action_ignore_inhibit = "org.freedesktop.login1.poweroff-ignore-inhibit";
1996 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unsupported shutdown type");
1998 r = verify_shutdown_creds(m, message, INHIBIT_SHUTDOWN, false,
1999 action, action_multiple_sessions, action_ignore_inhibit, error);
2003 if (m->scheduled_shutdown_timeout_source) {
2004 r = sd_event_source_set_time(m->scheduled_shutdown_timeout_source, elapse);
2006 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
2008 r = sd_event_source_set_enabled(m->scheduled_shutdown_timeout_source, SD_EVENT_ONESHOT);
2010 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
2012 r = sd_event_add_time(m->event, &m->scheduled_shutdown_timeout_source,
2013 CLOCK_REALTIME, elapse, 0, manager_scheduled_shutdown_handler, m);
2015 return log_error_errno(r, "sd_event_add_time() failed: %m");
2018 r = free_and_strdup(&m->scheduled_shutdown_type, type);
2020 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
2024 if (m->nologin_timeout_source) {
2025 r = sd_event_source_set_time(m->nologin_timeout_source, elapse);
2027 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
2029 r = sd_event_source_set_enabled(m->nologin_timeout_source, SD_EVENT_ONESHOT);
2031 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
2033 r = sd_event_add_time(m->event, &m->nologin_timeout_source,
2034 CLOCK_REALTIME, elapse - 5 * USEC_PER_MINUTE, 0, nologin_timeout_handler, m);
2036 return log_error_errno(r, "sd_event_add_time() failed: %m");
2039 m->scheduled_shutdown_timeout = elapse;
2041 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds);
2045 (void) sd_bus_creds_get_uid(creds, &m->scheduled_shutdown_uid);
2046 (void) sd_bus_creds_get_tty(creds, &tty);
2048 r = free_and_strdup(&m->scheduled_shutdown_tty, tty);
2050 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
2055 r = manager_setup_wall_message_timer(m);
2059 if (!isempty(type)) {
2060 r = update_schedule_file(m);
2064 (void) unlink("/run/systemd/shutdown/scheduled");
2066 return sd_bus_reply_method_return(message, NULL);
2069 static int method_cancel_scheduled_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2070 Manager *m = userdata;
2076 cancelled = m->scheduled_shutdown_type != NULL;
2077 reset_scheduled_shutdown(m);
2080 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
2081 const char *tty = NULL;
2085 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds);
2087 (void) sd_bus_creds_get_uid(creds, &uid);
2088 (void) sd_bus_creds_get_tty(creds, &tty);
2091 utmp_wall("The system shutdown has been cancelled",
2092 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) {
2297 r = efi_get_reboot_to_firmware();
2298 if (r < 0 && r != -EOPNOTSUPP)
2301 return sd_bus_message_append(reply, "b", r > 0);
2304 static int method_set_reboot_to_firmware_setup(
2305 sd_bus_message *message,
2307 sd_bus_error *error) {
2310 Manager *m = userdata;
2315 r = sd_bus_message_read(message, "b", &b);
2319 r = bus_verify_polkit_async(message,
2321 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2325 &m->polkit_registry,
2330 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2332 r = efi_set_reboot_to_firmware(b);
2336 return sd_bus_reply_method_return(message, NULL);
2339 static int method_can_reboot_to_firmware_setup(
2340 sd_bus_message *message,
2342 sd_bus_error *error) {
2347 Manager *m = userdata;
2352 r = efi_reboot_to_firmware_supported();
2353 if (r == -EOPNOTSUPP)
2354 return sd_bus_reply_method_return(message, "s", "na");
2358 r = bus_test_polkit(message,
2360 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2371 result = "challenge";
2375 return sd_bus_reply_method_return(message, "s", result);
2378 static int method_set_wall_message(
2379 sd_bus_message *message,
2381 sd_bus_error *error) {
2384 Manager *m = userdata;
2386 int enable_wall_messages;
2391 r = sd_bus_message_read(message, "sb", &wall_message, &enable_wall_messages);
2395 r = bus_verify_polkit_async(message,
2397 "org.freedesktop.login1.set-wall-message",
2401 &m->polkit_registry,
2406 return 1; /* Will call us back */
2408 if (isempty(wall_message))
2409 m->wall_message = mfree(m->wall_message);
2411 r = free_and_strdup(&m->wall_message, wall_message);
2416 m->enable_wall_messages = enable_wall_messages;
2418 return sd_bus_reply_method_return(message, NULL);
2421 static int method_inhibit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2422 _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
2423 const char *who, *why, *what, *mode;
2424 _cleanup_free_ char *id = NULL;
2425 _cleanup_close_ int fifo_fd = -1;
2426 Manager *m = userdata;
2427 Inhibitor *i = NULL;
2437 r = sd_bus_message_read(message, "ssss", &what, &who, &why, &mode);
2441 w = inhibit_what_from_string(what);
2443 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid what specification %s", what);
2445 mm = inhibit_mode_from_string(mode);
2447 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid mode specification %s", mode);
2449 /* Delay is only supported for shutdown/sleep */
2450 if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP)))
2451 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Delay inhibitors only supported for shutdown and sleep");
2453 /* Don't allow taking delay locks while we are already
2454 * executing the operation. We shouldn't create the impression
2455 * that the lock was successful if the machine is about to go
2456 * down/suspend any moment. */
2457 if (m->action_what & w)
2458 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "The operation inhibition has been requested for is already running");
2460 r = bus_verify_polkit_async(
2463 w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") :
2464 w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") :
2465 w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" :
2466 w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" :
2467 w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" :
2468 w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" :
2469 "org.freedesktop.login1.inhibit-handle-lid-switch",
2473 &m->polkit_registry,
2478 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2480 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID|SD_BUS_CREDS_PID, &creds);
2484 r = sd_bus_creds_get_euid(creds, &uid);
2488 r = sd_bus_creds_get_pid(creds, &pid);
2495 if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0)
2498 } while (hashmap_get(m->inhibitors, id));
2500 r = manager_add_inhibitor(m, id, &i);
2508 i->why = strdup(why);
2509 i->who = strdup(who);
2511 if (!i->why || !i->who) {
2516 fifo_fd = inhibitor_create_fifo(i);
2524 return sd_bus_reply_method_return(message, "h", fifo_fd);
2533 const sd_bus_vtable manager_vtable[] = {
2534 SD_BUS_VTABLE_START(0),
2536 SD_BUS_WRITABLE_PROPERTY("EnableWallMessages", "b", NULL, NULL, offsetof(Manager, enable_wall_messages), 0),
2537 SD_BUS_WRITABLE_PROPERTY("WallMessage", "s", NULL, NULL, offsetof(Manager, wall_message), 0),
2539 // SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), SD_BUS_VTABLE_PROPERTY_CONST),
2540 SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), SD_BUS_VTABLE_PROPERTY_CONST),
2541 SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), SD_BUS_VTABLE_PROPERTY_CONST),
2542 SD_BUS_PROPERTY("KillUserProcesses", "b", NULL, offsetof(Manager, kill_user_processes), SD_BUS_VTABLE_PROPERTY_CONST),
2543 SD_BUS_PROPERTY("RebootToFirmwareSetup", "b", property_get_reboot_to_firmware_setup, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2544 SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2545 SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2546 SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2547 SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2548 SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2549 SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL, offsetof(Manager, inhibit_delay_max), SD_BUS_VTABLE_PROPERTY_CONST),
2550 SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action, offsetof(Manager, handle_power_key), SD_BUS_VTABLE_PROPERTY_CONST),
2551 SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action, offsetof(Manager, handle_suspend_key), SD_BUS_VTABLE_PROPERTY_CONST),
2552 SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action, offsetof(Manager, handle_hibernate_key), SD_BUS_VTABLE_PROPERTY_CONST),
2553 SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch), SD_BUS_VTABLE_PROPERTY_CONST),
2554 SD_BUS_PROPERTY("HandleLidSwitchDocked", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_docked), SD_BUS_VTABLE_PROPERTY_CONST),
2555 SD_BUS_PROPERTY("HoldoffTimeoutUSec", "t", NULL, offsetof(Manager, holdoff_timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2556 SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action, offsetof(Manager, idle_action), SD_BUS_VTABLE_PROPERTY_CONST),
2557 SD_BUS_PROPERTY("IdleActionUSec", "t", NULL, offsetof(Manager, idle_action_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2558 SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing, 0, 0),
2559 SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing, 0, 0),
2560 SD_BUS_PROPERTY("ScheduledShutdown", "(st)", property_get_scheduled_shutdown, 0, 0),
2561 SD_BUS_PROPERTY("Docked", "b", property_get_docked, 0, 0),
2563 SD_BUS_METHOD("GetSession", "s", "o", method_get_session, SD_BUS_VTABLE_UNPRIVILEGED),
2564 SD_BUS_METHOD("GetSessionByPID", "u", "o", method_get_session_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
2565 SD_BUS_METHOD("GetUser", "u", "o", method_get_user, SD_BUS_VTABLE_UNPRIVILEGED),
2566 SD_BUS_METHOD("GetUserByPID", "u", "o", method_get_user_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
2567 SD_BUS_METHOD("GetSeat", "s", "o", method_get_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2568 SD_BUS_METHOD("ListSessions", NULL, "a(susso)", method_list_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2569 SD_BUS_METHOD("ListUsers", NULL, "a(uso)", method_list_users, SD_BUS_VTABLE_UNPRIVILEGED),
2570 SD_BUS_METHOD("ListSeats", NULL, "a(so)", method_list_seats, SD_BUS_VTABLE_UNPRIVILEGED),
2571 SD_BUS_METHOD("ListInhibitors", NULL, "a(ssssuu)", method_list_inhibitors, SD_BUS_VTABLE_UNPRIVILEGED),
2572 SD_BUS_METHOD("CreateSession", "uusssssussbssa(sv)", "soshusub", method_create_session, 0),
2573 SD_BUS_METHOD("ReleaseSession", "s", NULL, method_release_session, 0),
2574 SD_BUS_METHOD("ActivateSession", "s", NULL, method_activate_session, SD_BUS_VTABLE_UNPRIVILEGED),
2575 SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL, method_activate_session_on_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2576 SD_BUS_METHOD("LockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED),
2577 SD_BUS_METHOD("UnlockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED),
2578 SD_BUS_METHOD("LockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2579 SD_BUS_METHOD("UnlockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2580 SD_BUS_METHOD("KillSession", "ssi", NULL, method_kill_session, SD_BUS_VTABLE_UNPRIVILEGED),
2581 SD_BUS_METHOD("KillUser", "ui", NULL, method_kill_user, SD_BUS_VTABLE_UNPRIVILEGED),
2582 SD_BUS_METHOD("TerminateSession", "s", NULL, method_terminate_session, SD_BUS_VTABLE_UNPRIVILEGED),
2583 SD_BUS_METHOD("TerminateUser", "u", NULL, method_terminate_user, SD_BUS_VTABLE_UNPRIVILEGED),
2584 SD_BUS_METHOD("TerminateSeat", "s", NULL, method_terminate_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2585 SD_BUS_METHOD("SetUserLinger", "ubb", NULL, method_set_user_linger, SD_BUS_VTABLE_UNPRIVILEGED),
2586 SD_BUS_METHOD("AttachDevice", "ssb", NULL, method_attach_device, SD_BUS_VTABLE_UNPRIVILEGED),
2587 SD_BUS_METHOD("FlushDevices", "b", NULL, method_flush_devices, SD_BUS_VTABLE_UNPRIVILEGED),
2588 SD_BUS_METHOD("PowerOff", "b", NULL, method_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
2589 SD_BUS_METHOD("Reboot", "b", NULL, method_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
2590 SD_BUS_METHOD("Suspend", "b", NULL, method_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
2591 SD_BUS_METHOD("Hibernate", "b", NULL, method_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
2592 SD_BUS_METHOD("HybridSleep", "b", NULL, method_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
2593 SD_BUS_METHOD("CanPowerOff", NULL, "s", method_can_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
2594 SD_BUS_METHOD("CanReboot", NULL, "s", method_can_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
2595 SD_BUS_METHOD("CanSuspend", NULL, "s", method_can_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
2596 SD_BUS_METHOD("CanHibernate", NULL, "s", method_can_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
2597 SD_BUS_METHOD("CanHybridSleep", NULL, "s", method_can_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
2598 SD_BUS_METHOD("ScheduleShutdown", "st", NULL, method_schedule_shutdown, SD_BUS_VTABLE_UNPRIVILEGED),
2599 SD_BUS_METHOD("CancelScheduledShutdown", NULL, "b", method_cancel_scheduled_shutdown, SD_BUS_VTABLE_UNPRIVILEGED),
2600 SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit, SD_BUS_VTABLE_UNPRIVILEGED),
2601 SD_BUS_METHOD("CanRebootToFirmwareSetup", NULL, "s", method_can_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED),
2602 SD_BUS_METHOD("SetRebootToFirmwareSetup", "b", NULL, method_set_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED),
2603 SD_BUS_METHOD("SetWallMessage", "sb", NULL, method_set_wall_message, SD_BUS_VTABLE_UNPRIVILEGED),
2605 SD_BUS_SIGNAL("SessionNew", "so", 0),
2606 SD_BUS_SIGNAL("SessionRemoved", "so", 0),
2607 SD_BUS_SIGNAL("UserNew", "uo", 0),
2608 SD_BUS_SIGNAL("UserRemoved", "uo", 0),
2609 SD_BUS_SIGNAL("SeatNew", "so", 0),
2610 SD_BUS_SIGNAL("SeatRemoved", "so", 0),
2611 SD_BUS_SIGNAL("PrepareForShutdown", "b", 0),
2612 SD_BUS_SIGNAL("PrepareForSleep", "b", 0),
2617 /// UNNEEDED by elogind
2619 static int session_jobs_reply(Session *s, const char *unit, const char *result) {
2628 if (streq(result, "done"))
2629 r = session_send_create_reply(s, NULL);
2631 _cleanup_bus_error_free_ sd_bus_error e = SD_BUS_ERROR_NULL;
2633 sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result);
2634 r = session_send_create_reply(s, &e);
2640 int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2641 const char *path, *result, *unit;
2642 Manager *m = userdata;
2651 r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result);
2653 bus_log_parse_error(r);
2657 if (m->action_job && streq(m->action_job, path)) {
2658 log_info("Operation '%s' finished.", inhibit_what_to_string(m->action_what));
2660 /* Tell people that they now may take a lock again */
2661 send_prepare_for(m, m->action_what, false);
2663 m->action_job = mfree(m->action_job);
2664 m->action_unit = NULL;
2669 session = hashmap_get(m->session_units, unit);
2670 if (session && streq_ptr(path, session->scope_job)) {
2671 session->scope_job = mfree(session->scope_job);
2672 session_jobs_reply(session, unit, result);
2674 session_save(session);
2675 user_save(session->user);
2676 session_add_to_gc_queue(session);
2679 user = hashmap_get(m->user_units, unit);
2681 (streq_ptr(path, user->service_job) ||
2682 streq_ptr(path, user->slice_job))) {
2684 if (streq_ptr(path, user->service_job))
2685 user->service_job = mfree(user->service_job);
2687 if (streq_ptr(path, user->slice_job))
2688 user->slice_job = mfree(user->slice_job);
2690 LIST_FOREACH(sessions_by_user, session, user->sessions)
2691 session_jobs_reply(session, unit, result);
2694 user_add_to_gc_queue(user);
2700 int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2701 const char *path, *unit;
2702 Manager *m = userdata;
2710 r = sd_bus_message_read(message, "so", &unit, &path);
2712 bus_log_parse_error(r);
2716 session = hashmap_get(m->session_units, unit);
2718 session_add_to_gc_queue(session);
2720 user = hashmap_get(m->user_units, unit);
2722 user_add_to_gc_queue(user);
2727 int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2728 _cleanup_free_ char *unit = NULL;
2729 Manager *m = userdata;
2738 path = sd_bus_message_get_path(message);
2742 r = unit_name_from_dbus_path(path, &unit);
2743 if (r == -EINVAL) /* not a unit */
2750 session = hashmap_get(m->session_units, unit);
2752 session_add_to_gc_queue(session);
2754 user = hashmap_get(m->user_units, unit);
2756 user_add_to_gc_queue(user);
2761 int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2762 Manager *m = userdata;
2770 r = sd_bus_message_read(message, "b", &b);
2772 bus_log_parse_error(r);
2779 /* systemd finished reloading, let's recheck all our sessions */
2780 log_debug("System manager has been reloaded, rechecking sessions...");
2782 HASHMAP_FOREACH(session, m->sessions, i)
2783 session_add_to_gc_queue(session);
2789 int manager_send_changed(Manager *manager, const char *property, ...) {
2794 l = strv_from_stdarg_alloca(property);
2796 return sd_bus_emit_properties_changed_strv(
2798 "/org/freedesktop/login1",
2799 "org.freedesktop.login1.Manager",
2803 /// UNNEEDED by elogind
2805 int manager_start_slice(
2808 const char *description,
2812 sd_bus_error *error,
2815 _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
2821 r = sd_bus_message_new_method_call(
2824 "org.freedesktop.systemd1",
2825 "/org/freedesktop/systemd1",
2826 "org.freedesktop.systemd1.Manager",
2827 "StartTransientUnit");
2831 r = sd_bus_message_append(m, "ss", strempty(slice), "fail");
2835 r = sd_bus_message_open_container(m, 'a', "(sv)");
2839 if (!isempty(description)) {
2840 r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
2845 if (!isempty(after)) {
2846 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after);
2851 if (!isempty(after2)) {
2852 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2);
2857 r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", tasks_max);
2861 r = sd_bus_message_close_container(m);
2865 r = sd_bus_message_append(m, "a(sa(sv))", 0);
2869 r = sd_bus_call(manager->bus, m, 0, error, &reply);
2877 r = sd_bus_message_read(reply, "o", &j);
2891 int manager_start_scope(
2896 const char *description,
2900 sd_bus_error *error,
2903 _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
2910 r = sd_bus_message_new_method_call(
2913 "org.freedesktop.systemd1",
2914 "/org/freedesktop/systemd1",
2915 "org.freedesktop.systemd1.Manager",
2916 "StartTransientUnit");
2920 r = sd_bus_message_append(m, "ss", strempty(scope), "fail");
2924 r = sd_bus_message_open_container(m, 'a', "(sv)");
2928 if (!isempty(slice)) {
2929 r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice);
2934 if (!isempty(description)) {
2935 r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
2940 if (!isempty(after)) {
2941 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after);
2946 if (!isempty(after2)) {
2947 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2);
2952 /* cgroup empty notification is not available in containers
2953 * currently. To make this less problematic, let's shorten the
2954 * stop timeout for sessions, so that we don't wait
2957 /* Make sure that the session shells are terminated with
2958 * SIGHUP since bash and friends tend to ignore SIGTERM */
2959 r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", true);
2963 r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid);
2967 r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", tasks_max);
2971 r = sd_bus_message_close_container(m);
2975 r = sd_bus_message_append(m, "a(sa(sv))", 0);
2979 r = sd_bus_call(manager->bus, m, 0, error, &reply);
2987 r = sd_bus_message_read(reply, "o", &j);
3001 int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
3002 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
3008 r = sd_bus_call_method(
3010 "org.freedesktop.systemd1",
3011 "/org/freedesktop/systemd1",
3012 "org.freedesktop.systemd1.Manager",
3016 "ss", unit, "replace");
3024 r = sd_bus_message_read(reply, "o", &j);
3038 int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
3039 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
3045 r = sd_bus_call_method(
3047 "org.freedesktop.systemd1",
3048 "/org/freedesktop/systemd1",
3049 "org.freedesktop.systemd1.Manager",
3053 "ss", unit, "fail");
3055 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
3056 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) {
3061 sd_bus_error_free(error);
3072 r = sd_bus_message_read(reply, "o", &j);
3086 int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error) {
3087 _cleanup_free_ char *path = NULL;
3093 path = unit_dbus_path_from_name(scope);
3097 r = sd_bus_call_method(
3099 "org.freedesktop.systemd1",
3101 "org.freedesktop.systemd1.Scope",
3107 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
3108 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED) ||
3109 sd_bus_error_has_name(error, BUS_ERROR_SCOPE_NOT_RUNNING)) {
3110 sd_bus_error_free(error);
3120 int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) {
3124 return sd_bus_call_method(
3126 "org.freedesktop.systemd1",
3127 "/org/freedesktop/systemd1",
3128 "org.freedesktop.systemd1.Manager",
3132 "ssi", unit, who == KILL_LEADER ? "main" : "all", signo);
3135 int manager_unit_is_active(Manager *manager, const char *unit) {
3136 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
3137 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
3138 _cleanup_free_ char *path = NULL;
3145 path = unit_dbus_path_from_name(unit);
3149 r = sd_bus_get_property(
3151 "org.freedesktop.systemd1",
3153 "org.freedesktop.systemd1.Unit",
3159 /* systemd might have droppped off momentarily, let's
3160 * not make this an error */
3161 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
3162 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
3165 /* If the unit is already unloaded then it's not
3167 if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) ||
3168 sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED))
3174 r = sd_bus_message_read(reply, "s", &state);
3178 return !streq(state, "inactive") && !streq(state, "failed");
3181 int manager_job_is_active(Manager *manager, const char *path) {
3182 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
3183 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
3189 r = sd_bus_get_property(
3191 "org.freedesktop.systemd1",
3193 "org.freedesktop.systemd1.Job",
3199 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
3200 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
3203 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT))
3209 /* We don't actually care about the state really. The fact
3210 * that we could read the job state is enough for us */