2 This file is part of systemd.
4 Copyright 2011 Lennart Poettering
6 systemd is free software; you can redistribute it and/or modify it
7 under the terms of the GNU Lesser General Public License as published by
8 the Free Software Foundation; either version 2.1 of the License, or
9 (at your option) any later version.
11 systemd is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with systemd; If not, see <http://www.gnu.org/licenses/>.
25 #include "sd-messages.h"
27 #include "alloc-util.h"
28 #include "audit-util.h"
29 #include "bus-common-errors.h"
30 #include "bus-error.h"
32 #include "dirent-util.h"
33 //#include "efivars.h"
36 #include "fileio-label.h"
37 #include "formats-util.h"
41 #include "path-util.h"
42 #include "process-util.h"
43 #include "selinux-util.h"
44 //#include "sleep-config.h"
45 //#include "special.h"
47 #include "terminal-util.h"
48 #include "udev-util.h"
49 #include "unit-name.h"
50 #include "user-util.h"
51 //#include "utmp-wtmp.h"
53 int manager_get_session_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Session **ret) {
54 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
63 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_SESSION|SD_BUS_CREDS_AUGMENT, &creds);
67 r = sd_bus_creds_get_session(creds, &name);
72 session = hashmap_get(m->sessions, name);
74 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
80 int manager_get_user_from_creds(Manager *m, sd_bus_message *message, uid_t uid, sd_bus_error *error, User **ret) {
88 if (uid == UID_INVALID) {
89 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
91 /* Note that we get the owner UID of the session, not the actual client UID here! */
92 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds);
96 r = sd_bus_creds_get_owner_uid(creds, &uid);
101 user = hashmap_get(m->users, UID_TO_PTR(uid));
103 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user "UID_FMT" known or logged in", uid);
109 int manager_get_seat_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Seat **ret) {
120 r = manager_get_session_from_creds(m, message, NULL, error, &session);
124 seat = session->seat;
126 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "Session has no seat.");
128 seat = hashmap_get(m->seats, name);
130 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name);
137 static int property_get_idle_hint(
140 const char *interface,
141 const char *property,
142 sd_bus_message *reply,
144 sd_bus_error *error) {
146 Manager *m = userdata;
152 return sd_bus_message_append(reply, "b", manager_get_idle_hint(m, NULL) > 0);
155 static int property_get_idle_since_hint(
158 const char *interface,
159 const char *property,
160 sd_bus_message *reply,
162 sd_bus_error *error) {
164 Manager *m = userdata;
165 dual_timestamp t = DUAL_TIMESTAMP_NULL;
171 manager_get_idle_hint(m, &t);
173 return sd_bus_message_append(reply, "t", streq(property, "IdleSinceHint") ? t.realtime : t.monotonic);
176 static int property_get_inhibited(
179 const char *interface,
180 const char *property,
181 sd_bus_message *reply,
183 sd_bus_error *error) {
185 Manager *m = userdata;
192 w = manager_inhibit_what(m, streq(property, "BlockInhibited") ? INHIBIT_BLOCK : INHIBIT_DELAY);
194 return sd_bus_message_append(reply, "s", inhibit_what_to_string(w));
197 static int property_get_preparing(
200 const char *interface,
201 const char *property,
202 sd_bus_message *reply,
204 sd_bus_error *error) {
206 Manager *m = userdata;
213 if (streq(property, "PreparingForShutdown"))
214 b = !!(m->action_what & INHIBIT_SHUTDOWN);
216 b = !!(m->action_what & INHIBIT_SLEEP);
218 return sd_bus_message_append(reply, "b", b);
221 static int property_get_scheduled_shutdown(
224 const char *interface,
225 const char *property,
226 sd_bus_message *reply,
228 sd_bus_error *error) {
230 Manager *m = userdata;
237 r = sd_bus_message_open_container(reply, 'r', "st");
241 r = sd_bus_message_append(reply, "st", m->scheduled_shutdown_type, m->scheduled_shutdown_timeout);
245 return sd_bus_message_close_container(reply);
248 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_handle_action, handle_action, HandleAction);
250 static int property_get_docked(
253 const char *interface,
254 const char *property,
255 sd_bus_message *reply,
257 sd_bus_error *error) {
259 Manager *m = userdata;
265 return sd_bus_message_append(reply, "b", manager_is_docked_or_external_displays(m));
268 static int method_get_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
269 _cleanup_free_ char *p = NULL;
270 Manager *m = userdata;
278 r = sd_bus_message_read(message, "s", &name);
282 r = manager_get_session_from_creds(m, message, name, error, &session);
286 p = session_bus_path(session);
290 return sd_bus_reply_method_return(message, "o", p);
293 static int method_get_session_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) {
294 _cleanup_free_ char *p = NULL;
295 Session *session = NULL;
296 Manager *m = userdata;
303 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
305 r = sd_bus_message_read(message, "u", &pid);
312 r = manager_get_session_from_creds(m, message, NULL, error, &session);
316 r = manager_get_session_by_pid(m, pid, &session);
321 return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, "PID "PID_FMT" does not belong to any known session", pid);
324 p = session_bus_path(session);
328 return sd_bus_reply_method_return(message, "o", p);
331 static int method_get_user(sd_bus_message *message, void *userdata, sd_bus_error *error) {
332 _cleanup_free_ char *p = NULL;
333 Manager *m = userdata;
341 r = sd_bus_message_read(message, "u", &uid);
345 r = manager_get_user_from_creds(m, message, uid, error, &user);
349 p = user_bus_path(user);
353 return sd_bus_reply_method_return(message, "o", p);
356 static int method_get_user_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) {
357 _cleanup_free_ char *p = NULL;
358 Manager *m = userdata;
366 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
368 r = sd_bus_message_read(message, "u", &pid);
375 r = manager_get_user_from_creds(m, message, UID_INVALID, error, &user);
379 r = manager_get_user_by_pid(m, pid, &user);
383 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);
386 p = user_bus_path(user);
390 return sd_bus_reply_method_return(message, "o", p);
393 static int method_get_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) {
394 _cleanup_free_ char *p = NULL;
395 Manager *m = userdata;
403 r = sd_bus_message_read(message, "s", &name);
407 r = manager_get_seat_from_creds(m, message, name, error, &seat);
411 p = seat_bus_path(seat);
415 return sd_bus_reply_method_return(message, "o", p);
418 static int method_list_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) {
419 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
420 Manager *m = userdata;
428 r = sd_bus_message_new_method_return(message, &reply);
432 r = sd_bus_message_open_container(reply, 'a', "(susso)");
436 HASHMAP_FOREACH(session, m->sessions, i) {
437 _cleanup_free_ char *p = NULL;
439 p = session_bus_path(session);
443 r = sd_bus_message_append(reply, "(susso)",
445 (uint32_t) session->user->uid,
447 session->seat ? session->seat->id : "",
453 r = sd_bus_message_close_container(reply);
457 return sd_bus_send(NULL, reply, NULL);
460 static int method_list_users(sd_bus_message *message, void *userdata, sd_bus_error *error) {
461 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
462 Manager *m = userdata;
470 r = sd_bus_message_new_method_return(message, &reply);
474 r = sd_bus_message_open_container(reply, 'a', "(uso)");
478 HASHMAP_FOREACH(user, m->users, i) {
479 _cleanup_free_ char *p = NULL;
481 p = user_bus_path(user);
485 r = sd_bus_message_append(reply, "(uso)",
486 (uint32_t) user->uid,
493 r = sd_bus_message_close_container(reply);
497 return sd_bus_send(NULL, reply, NULL);
500 static int method_list_seats(sd_bus_message *message, void *userdata, sd_bus_error *error) {
501 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
502 Manager *m = userdata;
510 r = sd_bus_message_new_method_return(message, &reply);
514 r = sd_bus_message_open_container(reply, 'a', "(so)");
518 HASHMAP_FOREACH(seat, m->seats, i) {
519 _cleanup_free_ char *p = NULL;
521 p = seat_bus_path(seat);
525 r = sd_bus_message_append(reply, "(so)", seat->id, p);
530 r = sd_bus_message_close_container(reply);
534 return sd_bus_send(NULL, reply, NULL);
537 static int method_list_inhibitors(sd_bus_message *message, void *userdata, sd_bus_error *error) {
538 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
539 Manager *m = userdata;
540 Inhibitor *inhibitor;
547 r = sd_bus_message_new_method_return(message, &reply);
551 r = sd_bus_message_open_container(reply, 'a', "(ssssuu)");
555 HASHMAP_FOREACH(inhibitor, m->inhibitors, i) {
557 r = sd_bus_message_append(reply, "(ssssuu)",
558 strempty(inhibit_what_to_string(inhibitor->what)),
559 strempty(inhibitor->who),
560 strempty(inhibitor->why),
561 strempty(inhibit_mode_to_string(inhibitor->mode)),
562 (uint32_t) inhibitor->uid,
563 (uint32_t) inhibitor->pid);
568 r = sd_bus_message_close_container(reply);
572 return sd_bus_send(NULL, reply, NULL);
575 static int method_create_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
576 const char *service, *type, *class, *cseat, *tty, *display, *remote_user, *remote_host, *desktop;
577 uint32_t audit_id = 0;
578 _cleanup_free_ char *id = NULL;
579 Session *session = NULL;
580 Manager *m = userdata;
594 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
595 assert_cc(sizeof(uid_t) == sizeof(uint32_t));
597 r = sd_bus_message_read(message, "uusssssussbss", &uid, &leader, &service, &type, &class, &desktop, &cseat, &vtnr, &tty, &display, &remote, &remote_user, &remote_host);
601 if (!uid_is_valid(uid))
602 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid UID");
603 if (leader < 0 || leader == 1)
604 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID");
607 t = _SESSION_TYPE_INVALID;
609 t = session_type_from_string(type);
611 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session type %s", type);
615 c = _SESSION_CLASS_INVALID;
617 c = session_class_from_string(class);
619 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session class %s", class);
622 if (isempty(desktop))
625 if (!string_is_safe(desktop))
626 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid desktop string %s", desktop);
632 seat = hashmap_get(m->seats, cseat);
634 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", cseat);
637 if (tty_is_vc(tty)) {
642 else if (seat != m->seat0)
643 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);
645 v = vtnr_from_tty(tty);
647 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Cannot determine VT number from virtual console TTY %s", tty);
651 else if (vtnr != (uint32_t) v)
652 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Specified TTY and VT number do not match");
654 } else if (tty_is_console(tty)) {
658 else if (seat != m->seat0)
659 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but seat is not seat0");
662 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but VT number is not 0");
666 if (seat_has_vts(seat)) {
667 if (!vtnr || vtnr > 63)
668 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "VT number out of range");
671 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat has no VTs but VT number not 0");
675 r = sd_bus_message_enter_container(message, 'a', "(sv)");
679 if (t == _SESSION_TYPE_INVALID) {
680 if (!isempty(display))
682 else if (!isempty(tty))
685 t = SESSION_UNSPECIFIED;
688 if (c == _SESSION_CLASS_INVALID) {
689 if (t == SESSION_UNSPECIFIED)
690 c = SESSION_BACKGROUND;
696 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
698 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
702 r = sd_bus_creds_get_pid(creds, (pid_t*) &leader);
707 r = manager_get_session_by_pid(m, leader, NULL);
709 return sd_bus_error_setf(error, BUS_ERROR_SESSION_BUSY, "Already running in a session");
712 * Old gdm and lightdm start the user-session on the same VT as
713 * the greeter session. But they destroy the greeter session
714 * after the user-session and want the user-session to take
715 * over the VT. We need to support this for
716 * backwards-compatibility, so make sure we allow new sessions
717 * on a VT that a greeter is running on. Furthermore, to allow
718 * re-logins, we have to allow a greeter to take over a used VT for
719 * the exact same reasons.
721 if (c != SESSION_GREETER &&
723 vtnr < m->seat0->position_count &&
724 m->seat0->positions[vtnr] &&
725 m->seat0->positions[vtnr]->class != SESSION_GREETER)
726 return sd_bus_error_setf(error, BUS_ERROR_SESSION_BUSY, "Already occupied by a session");
728 audit_session_from_pid(leader, &audit_id);
730 /* Keep our session IDs and the audit session IDs in sync */
732 if (asprintf(&id, "%"PRIu32, audit_id) < 0)
735 /* Wut? There's already a session by this name and we
736 * didn't find it above? Weird, then let's not trust
737 * the audit data and let's better register a new
739 if (hashmap_get(m->sessions, id)) {
740 log_warning("Existing logind session ID %s used by new audit session, ignoring", id);
751 if (asprintf(&id, "c%lu", ++m->session_counter) < 0)
754 } while (hashmap_get(m->sessions, id));
757 r = manager_add_user_by_uid(m, uid, &user);
761 r = manager_add_session(m, id, &session);
765 session_set_user(session, user);
767 session->leader = leader;
768 session->audit_id = audit_id;
771 session->remote = remote;
772 session->vtnr = vtnr;
775 session->tty = strdup(tty);
782 if (!isempty(display)) {
783 session->display = strdup(display);
784 if (!session->display) {
790 if (!isempty(remote_user)) {
791 session->remote_user = strdup(remote_user);
792 if (!session->remote_user) {
798 if (!isempty(remote_host)) {
799 session->remote_host = strdup(remote_host);
800 if (!session->remote_host) {
806 if (!isempty(service)) {
807 session->service = strdup(service);
808 if (!session->service) {
814 if (!isempty(desktop)) {
815 session->desktop = strdup(desktop);
816 if (!session->desktop) {
823 r = seat_attach_session(seat, session);
828 r = session_start(session);
832 session->create_message = sd_bus_message_ref(message);
834 /* Here upstream systemd starts cgroups and the user systemd,
835 and arranges to reply asynchronously. We reply
838 r = session_send_create_reply(session, NULL);
846 session_add_to_gc_queue(session);
849 user_add_to_gc_queue(user);
854 static int method_release_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
855 Manager *m = userdata;
863 r = sd_bus_message_read(message, "s", &name);
867 r = manager_get_session_from_creds(m, message, name, error, &session);
871 r = session_release(session);
875 session_add_to_gc_queue(session);
877 return sd_bus_reply_method_return(message, NULL);
880 static int method_activate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
881 Manager *m = userdata;
889 r = sd_bus_message_read(message, "s", &name);
893 r = manager_get_session_from_creds(m, message, name, error, &session);
897 return bus_session_method_activate(message, session, error);
900 static int method_activate_session_on_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) {
901 const char *session_name, *seat_name;
902 Manager *m = userdata;
910 /* Same as ActivateSession() but refuses to work if
911 * the seat doesn't match */
913 r = sd_bus_message_read(message, "ss", &session_name, &seat_name);
917 r = manager_get_session_from_creds(m, message, session_name, error, &session);
921 r = manager_get_seat_from_creds(m, message, seat_name, error, &seat);
925 if (session->seat != seat)
926 return sd_bus_error_setf(error, BUS_ERROR_SESSION_NOT_ON_SEAT, "Session %s not on seat %s", session_name, seat_name);
928 r = session_activate(session);
932 return sd_bus_reply_method_return(message, NULL);
935 static int method_lock_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
936 Manager *m = userdata;
944 r = sd_bus_message_read(message, "s", &name);
948 r = manager_get_session_from_creds(m, message, name, error, &session);
952 return bus_session_method_lock(message, session, error);
955 static int method_lock_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) {
956 Manager *m = userdata;
962 r = bus_verify_polkit_async(
965 "org.freedesktop.login1.lock-sessions",
974 return 1; /* Will call us back */
976 r = session_send_lock_all(m, streq(sd_bus_message_get_member(message), "LockSessions"));
980 return sd_bus_reply_method_return(message, NULL);
983 static int method_kill_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
985 Manager *m = userdata;
992 r = sd_bus_message_read(message, "s", &name);
996 r = manager_get_session_from_creds(m, message, name, error, &session);
1000 return bus_session_method_kill(message, session, error);
1003 static int method_kill_user(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1004 Manager *m = userdata;
1012 r = sd_bus_message_read(message, "u", &uid);
1016 r = manager_get_user_from_creds(m, message, uid, error, &user);
1020 return bus_user_method_kill(message, user, error);
1023 static int method_terminate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1024 Manager *m = userdata;
1032 r = sd_bus_message_read(message, "s", &name);
1036 r = manager_get_session_from_creds(m, message, name, error, &session);
1040 return bus_session_method_terminate(message, session, error);
1043 static int method_terminate_user(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1044 Manager *m = userdata;
1052 r = sd_bus_message_read(message, "u", &uid);
1056 r = manager_get_user_from_creds(m, message, uid, error, &user);
1060 return bus_user_method_terminate(message, user, error);
1063 static int method_terminate_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1064 Manager *m = userdata;
1072 r = sd_bus_message_read(message, "s", &name);
1076 r = manager_get_seat_from_creds(m, message, name, error, &seat);
1080 return bus_seat_method_terminate(message, seat, error);
1083 static int method_set_user_linger(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1084 _cleanup_free_ char *cc = NULL;
1085 Manager *m = userdata;
1086 int r, b, interactive;
1095 r = sd_bus_message_read(message, "ubb", &uid, &b, &interactive);
1099 if (uid == UID_INVALID) {
1100 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
1102 /* Note that we get the owner UID of the session, not the actual client UID here! */
1103 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds);
1107 r = sd_bus_creds_get_owner_uid(creds, &uid);
1113 } else if (!uid_is_valid(uid))
1119 return errno > 0 ? -errno : -ENOENT;
1121 r = bus_verify_polkit_async(
1124 self ? "org.freedesktop.login1.set-self-linger" : "org.freedesktop.login1.set-user-linger",
1128 &m->polkit_registry,
1133 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1135 mkdir_p_label("/var/lib/systemd", 0755);
1137 r = mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0);
1141 cc = cescape(pw->pw_name);
1145 path = strjoina("/var/lib/systemd/linger/", cc);
1153 if (manager_add_user_by_uid(m, uid, &u) >= 0)
1160 if (r < 0 && errno != ENOENT)
1163 u = hashmap_get(m->users, UID_TO_PTR(uid));
1165 user_add_to_gc_queue(u);
1168 return sd_bus_reply_method_return(message, NULL);
1171 static int trigger_device(Manager *m, struct udev_device *d) {
1172 _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
1173 struct udev_list_entry *first, *item;
1178 e = udev_enumerate_new(m->udev);
1183 r = udev_enumerate_add_match_parent(e, d);
1188 r = udev_enumerate_scan_devices(e);
1192 first = udev_enumerate_get_list_entry(e);
1193 udev_list_entry_foreach(item, first) {
1194 _cleanup_free_ char *t = NULL;
1197 p = udev_list_entry_get_name(item);
1199 t = strappend(p, "/uevent");
1203 write_string_file(t, "change", WRITE_STRING_FILE_CREATE);
1209 static int attach_device(Manager *m, const char *seat, const char *sysfs) {
1210 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
1211 _cleanup_free_ char *rule = NULL, *file = NULL;
1212 const char *id_for_seat;
1219 d = udev_device_new_from_syspath(m->udev, sysfs);
1223 if (!udev_device_has_tag(d, "seat"))
1226 id_for_seat = udev_device_get_property_value(d, "ID_FOR_SEAT");
1230 if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0)
1233 if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0)
1236 mkdir_p_label("/etc/udev/rules.d", 0755);
1237 r = write_string_file_atomic_label(file, rule);
1241 return trigger_device(m, d);
1244 static int flush_devices(Manager *m) {
1245 _cleanup_closedir_ DIR *d;
1249 d = opendir("/etc/udev/rules.d");
1251 if (errno != ENOENT)
1252 log_warning_errno(errno, "Failed to open /etc/udev/rules.d: %m");
1256 while ((de = readdir(d))) {
1258 if (!dirent_is_file(de))
1261 if (!startswith(de->d_name, "72-seat-"))
1264 if (!endswith(de->d_name, ".rules"))
1267 if (unlinkat(dirfd(d), de->d_name, 0) < 0)
1268 log_warning_errno(errno, "Failed to unlink %s: %m", de->d_name);
1272 return trigger_device(m, NULL);
1275 static int method_attach_device(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1276 const char *sysfs, *seat;
1277 Manager *m = userdata;
1283 r = sd_bus_message_read(message, "ssb", &seat, &sysfs, &interactive);
1287 if (!path_startswith(sysfs, "/sys"))
1288 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not in /sys", sysfs);
1290 if (!seat_name_is_valid(seat))
1291 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat %s is not valid", seat);
1293 r = bus_verify_polkit_async(
1296 "org.freedesktop.login1.attach-device",
1300 &m->polkit_registry,
1305 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1307 r = attach_device(m, seat, sysfs);
1311 return sd_bus_reply_method_return(message, NULL);
1314 static int method_flush_devices(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1315 Manager *m = userdata;
1321 r = sd_bus_message_read(message, "b", &interactive);
1325 r = bus_verify_polkit_async(
1328 "org.freedesktop.login1.flush-devices",
1332 &m->polkit_registry,
1337 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1339 r = flush_devices(m);
1343 return sd_bus_reply_method_return(message, NULL);
1346 static int have_multiple_sessions(
1355 /* Check for other users' sessions. Greeter sessions do not
1356 * count, and non-login sessions do not count either. */
1357 HASHMAP_FOREACH(session, m->sessions, i)
1358 if (session->class == SESSION_USER &&
1359 session->user->uid != uid)
1365 static int bus_manager_log_shutdown(
1368 #if 0 /// elogind does not support systemd units
1369 const char *unit_name) {
1376 if (w != INHIBIT_SHUTDOWN)
1379 if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) {
1380 p = "MESSAGE=System is powering down";
1381 q = "SHUTDOWN=power-off";
1382 } else if (streq(unit_name, SPECIAL_HALT_TARGET)) {
1383 p = "MESSAGE=System is halting";
1384 q = "SHUTDOWN=halt";
1385 } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) {
1386 p = "MESSAGE=System is rebooting";
1387 q = "SHUTDOWN=reboot";
1388 } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) {
1389 p = "MESSAGE=System is rebooting with kexec";
1390 q = "SHUTDOWN=kexec";
1392 p = "MESSAGE=System is shutting down";
1396 HandleAction action) {
1402 if (w != INHIBIT_SHUTDOWN)
1406 case HANDLE_POWEROFF:
1407 p = "MESSAGE=System is powering down.";
1408 q = "SHUTDOWN=power-off";
1411 p = "MESSAGE=System is halting.";
1412 q = "SHUTDOWN=halt";
1415 p = "MESSAGE=System is rebooting.";
1416 q = "SHUTDOWN=reboot";
1419 p = "MESSAGE=System is rebooting with kexec.";
1420 q = "SHUTDOWN=kexec";
1423 p = "MESSAGE=System is shutting down.";
1427 if (isempty(m->wall_message))
1428 p = strjoina(p, ".");
1430 p = strjoina(p, " (", m->wall_message, ").");
1432 return log_struct(LOG_NOTICE,
1433 LOG_MESSAGE_ID(SD_MESSAGE_SHUTDOWN),
1439 static int lid_switch_ignore_handler(sd_event_source *e, uint64_t usec, void *userdata) {
1440 Manager *m = userdata;
1445 m->lid_switch_ignore_event_source = sd_event_source_unref(m->lid_switch_ignore_event_source);
1449 int manager_set_lid_switch_ignore(Manager *m, usec_t until) {
1454 if (until <= now(CLOCK_MONOTONIC))
1457 /* We want to ignore the lid switch for a while after each
1458 * suspend, and after boot-up. Hence let's install a timer for
1459 * this. As long as the event source exists we ignore the lid
1462 if (m->lid_switch_ignore_event_source) {
1465 r = sd_event_source_get_time(m->lid_switch_ignore_event_source, &u);
1472 r = sd_event_source_set_time(m->lid_switch_ignore_event_source, until);
1474 r = sd_event_add_time(
1476 &m->lid_switch_ignore_event_source,
1479 lid_switch_ignore_handler, m);
1484 static void reset_scheduled_shutdown(Manager *m) {
1485 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
1486 m->wall_message_timeout_source = sd_event_source_unref(m->wall_message_timeout_source);
1487 m->nologin_timeout_source = sd_event_source_unref(m->nologin_timeout_source);
1488 m->scheduled_shutdown_type = mfree(m->scheduled_shutdown_type);
1489 m->scheduled_shutdown_timeout = 0;
1490 m->shutdown_dry_run = false;
1492 if (m->unlink_nologin) {
1493 (void) unlink("/run/nologin");
1494 m->unlink_nologin = false;
1498 static int execute_shutdown_or_sleep(
1501 HandleAction action,
1502 sd_bus_error *error) {
1504 #if 0 /// elogind does not need these, we do it ourselves
1505 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1513 assert(w < _INHIBIT_WHAT_MAX);
1515 bus_manager_log_shutdown(m, w, action);
1517 #if 0 /// elogind does it directly without depending on systemd running the system
1518 if (m->shutdown_dry_run) {
1519 log_info("Running in dry run, suppressing action.");
1520 reset_scheduled_shutdown(m);
1522 r = sd_bus_call_method(
1524 "org.freedesktop.systemd1",
1525 "/org/freedesktop/systemd1",
1526 "org.freedesktop.systemd1.Manager",
1530 "ss", unit_name, "replace-irreversibly");
1532 r = shutdown_or_sleep(m, action);
1534 /* no more pending actions, whether this failed or not */
1535 m->pending_action = HANDLE_IGNORE;
1541 #if 0 /// elogind neither needs a dbus reply, nor supports systemd action jobs
1542 r = sd_bus_message_read(reply, "o", &p);
1551 m->action_unit = unit_name;
1552 free(m->action_job);
1557 /* Make sure the lid switch is ignored for a while */
1558 manager_set_lid_switch_ignore(m, now(CLOCK_MONOTONIC) + m->holdoff_timeout_usec);
1563 int manager_dispatch_delayed(Manager *manager, bool timeout) {
1565 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1566 Inhibitor *offending = NULL;
1571 if ( (0 == manager->action_what) || (HANDLE_IGNORE == manager->pending_action) )
1574 if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0, &offending)) {
1575 _cleanup_free_ char *comm = NULL, *u = NULL;
1580 (void) get_process_comm(offending->pid, &comm);
1581 u = uid_to_name(offending->uid);
1583 log_notice("Delay lock is active (UID "UID_FMT"/%s, PID "PID_FMT"/%s) but inhibitor timeout is reached.",
1584 offending->uid, strna(u),
1585 offending->pid, strna(comm));
1588 /* Actually do the operation */
1589 r = execute_shutdown_or_sleep(manager, manager->action_what, manager->pending_action, &error);
1591 log_warning("Failed to send delayed message: %s", bus_error_message(&error, r));
1593 manager->pending_action = HANDLE_IGNORE;
1594 manager->action_what = 0;
1601 static int manager_inhibit_timeout_handler(
1606 Manager *manager = userdata;
1610 assert(manager->inhibit_timeout_source == s);
1612 r = manager_dispatch_delayed(manager, true);
1613 return (r < 0) ? r : 0;
1616 static int delay_shutdown_or_sleep(
1619 HandleAction action) {
1626 assert(w < _INHIBIT_WHAT_MAX);
1628 timeout_val = now(CLOCK_MONOTONIC) + m->inhibit_delay_max;
1630 if (m->inhibit_timeout_source) {
1631 r = sd_event_source_set_time(m->inhibit_timeout_source, timeout_val);
1633 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
1635 r = sd_event_source_set_enabled(m->inhibit_timeout_source, SD_EVENT_ONESHOT);
1637 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
1639 r = sd_event_add_time(m->event, &m->inhibit_timeout_source, CLOCK_MONOTONIC,
1640 timeout_val, 0, manager_inhibit_timeout_handler, m);
1645 m->pending_action = action;
1651 static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) {
1653 static const char * const signal_name[_INHIBIT_WHAT_MAX] = {
1654 [INHIBIT_SHUTDOWN] = "PrepareForShutdown",
1655 [INHIBIT_SLEEP] = "PrepareForSleep"
1658 int active = _active;
1662 assert(w < _INHIBIT_WHAT_MAX);
1663 assert(signal_name[w]);
1665 return sd_bus_emit_signal(m->bus,
1666 "/org/freedesktop/login1",
1667 "org.freedesktop.login1.Manager",
1673 int bus_manager_shutdown_or_sleep_now_or_later(
1675 HandleAction action,
1677 sd_bus_error *error) {
1684 assert(w <= _INHIBIT_WHAT_MAX);
1686 /* Tell everybody to prepare for shutdown/sleep */
1687 send_prepare_for(m, w, true);
1690 m->inhibit_delay_max > 0 &&
1691 manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0, NULL);
1694 /* Shutdown is delayed, keep in mind what we
1695 * want to do, and start a timeout */
1696 r = delay_shutdown_or_sleep(m, w, action);
1698 /* Shutdown is not delayed, execute it
1700 r = execute_shutdown_or_sleep(m, w, action, error);
1705 static int verify_shutdown_creds(
1707 sd_bus_message *message,
1711 const char *action_multiple_sessions,
1712 const char *action_ignore_inhibit,
1713 sd_bus_error *error) {
1715 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
1716 bool multiple_sessions, blocked;
1723 assert(w <= _INHIBIT_WHAT_MAX);
1725 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds);
1729 r = sd_bus_creds_get_euid(creds, &uid);
1733 r = have_multiple_sessions(m, uid);
1737 multiple_sessions = r > 0;
1738 blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
1740 if (multiple_sessions && action_multiple_sessions) {
1741 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1745 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1748 if (blocked && action_ignore_inhibit) {
1749 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1753 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1756 if (!multiple_sessions && !blocked && action) {
1757 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1761 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1767 static int method_do_shutdown_or_sleep(
1769 sd_bus_message *message,
1770 HandleAction sleep_action,
1773 const char *action_multiple_sessions,
1774 const char *action_ignore_inhibit,
1775 const char *sleep_verb,
1776 sd_bus_error *error) {
1783 assert(w <= _INHIBIT_WHAT_MAX);
1785 r = sd_bus_message_read(message, "b", &interactive);
1789 /* Don't allow multiple jobs being executed at the same time */
1791 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "There's already a shutdown or sleep operation in progress");
1794 r = can_sleep(m, sleep_verb);
1799 return sd_bus_error_setf(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, "Sleep verb not supported");
1802 r = verify_shutdown_creds(m, message, w, interactive, action, action_multiple_sessions,
1803 action_ignore_inhibit, error);
1807 r = bus_manager_shutdown_or_sleep_now_or_later(m, sleep_action, w, error);
1811 return sd_bus_reply_method_return(message, NULL);
1814 static int method_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1815 Manager *m = userdata;
1817 return method_do_shutdown_or_sleep(
1821 "org.freedesktop.login1.power-off",
1822 "org.freedesktop.login1.power-off-multiple-sessions",
1823 "org.freedesktop.login1.power-off-ignore-inhibit",
1828 static int method_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1829 Manager *m = userdata;
1831 return method_do_shutdown_or_sleep(
1835 "org.freedesktop.login1.reboot",
1836 "org.freedesktop.login1.reboot-multiple-sessions",
1837 "org.freedesktop.login1.reboot-ignore-inhibit",
1842 static int method_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1843 Manager *m = userdata;
1845 return method_do_shutdown_or_sleep(
1849 "org.freedesktop.login1.suspend",
1850 "org.freedesktop.login1.suspend-multiple-sessions",
1851 "org.freedesktop.login1.suspend-ignore-inhibit",
1856 static int nologin_timeout_handler(
1861 Manager *m = userdata;
1864 log_info("Creating /run/nologin, blocking further logins...");
1866 r = write_string_file_atomic_label("/run/nologin", "System is going down.");
1868 log_error_errno(r, "Failed to create /run/nologin: %m");
1870 m->unlink_nologin = true;
1875 static int update_schedule_file(Manager *m) {
1876 _cleanup_free_ char *temp_path = NULL;
1877 _cleanup_fclose_ FILE *f = NULL;
1882 r = mkdir_safe_label("/run/systemd/shutdown", 0755, 0, 0);
1884 return log_error_errno(r, "Failed to create shutdown subdirectory: %m");
1886 r = fopen_temporary("/run/systemd/shutdown/scheduled", &f, &temp_path);
1888 return log_error_errno(r, "Failed to save information about scheduled shutdowns: %m");
1890 (void) fchmod(fileno(f), 0644);
1896 m->scheduled_shutdown_timeout,
1897 m->enable_wall_messages,
1898 m->scheduled_shutdown_type);
1900 if (!isempty(m->wall_message)) {
1901 _cleanup_free_ char *t;
1903 t = cescape(m->wall_message);
1909 fprintf(f, "WALL_MESSAGE=%s\n", t);
1912 r = fflush_and_check(f);
1916 if (rename(temp_path, "/run/systemd/shutdown/scheduled") < 0) {
1924 (void) unlink(temp_path);
1925 (void) unlink("/run/systemd/shutdown/scheduled");
1927 return log_error_errno(r, "Failed to write information about scheduled shutdowns: %m");
1930 static int manager_scheduled_shutdown_handler(
1935 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1936 Manager *m = userdata;
1937 HandleAction action;
1942 if (isempty(m->scheduled_shutdown_type))
1945 if (streq(m->scheduled_shutdown_type, "halt"))
1946 action = HANDLE_HALT;
1947 else if (streq(m->scheduled_shutdown_type, "poweroff"))
1948 action = HANDLE_POWEROFF;
1950 action = HANDLE_REBOOT;
1952 r = execute_shutdown_or_sleep(m, 0, action, &error);
1954 return log_error_errno(r, "Unable to execute transition to %s: %m", m->scheduled_shutdown_type);
1959 static int method_schedule_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1960 Manager *m = userdata;
1961 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
1962 const char *action_multiple_sessions = NULL;
1963 const char *action_ignore_inhibit = NULL;
1964 const char *action = NULL;
1972 r = sd_bus_message_read(message, "st", &type, &elapse);
1976 if (startswith(type, "dry-")) {
1978 m->shutdown_dry_run = true;
1981 if (streq(type, "reboot")) {
1982 action = "org.freedesktop.login1.reboot";
1983 action_multiple_sessions = "org.freedesktop.login1.reboot-multiple-sessions";
1984 action_ignore_inhibit = "org.freedesktop.login1.reboot-ignore-inhibit";
1985 } else if (streq(type, "halt")) {
1986 action = "org.freedesktop.login1.halt";
1987 action_multiple_sessions = "org.freedesktop.login1.halt-multiple-sessions";
1988 action_ignore_inhibit = "org.freedesktop.login1.halt-ignore-inhibit";
1989 } else if (streq(type, "poweroff")) {
1990 action = "org.freedesktop.login1.power-off";
1991 action_multiple_sessions = "org.freedesktop.login1.power-off-multiple-sessions";
1992 action_ignore_inhibit = "org.freedesktop.login1.power-off-ignore-inhibit";
1994 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unsupported shutdown type");
1996 r = verify_shutdown_creds(m, message, INHIBIT_SHUTDOWN, false,
1997 action, action_multiple_sessions, action_ignore_inhibit, error);
2001 if (m->scheduled_shutdown_timeout_source) {
2002 r = sd_event_source_set_time(m->scheduled_shutdown_timeout_source, elapse);
2004 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
2006 r = sd_event_source_set_enabled(m->scheduled_shutdown_timeout_source, SD_EVENT_ONESHOT);
2008 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
2010 r = sd_event_add_time(m->event, &m->scheduled_shutdown_timeout_source,
2011 CLOCK_REALTIME, elapse, 0, manager_scheduled_shutdown_handler, m);
2013 return log_error_errno(r, "sd_event_add_time() failed: %m");
2016 r = free_and_strdup(&m->scheduled_shutdown_type, type);
2018 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
2022 if (m->nologin_timeout_source) {
2023 r = sd_event_source_set_time(m->nologin_timeout_source, elapse);
2025 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
2027 r = sd_event_source_set_enabled(m->nologin_timeout_source, SD_EVENT_ONESHOT);
2029 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
2031 r = sd_event_add_time(m->event, &m->nologin_timeout_source,
2032 CLOCK_REALTIME, elapse - 5 * USEC_PER_MINUTE, 0, nologin_timeout_handler, m);
2034 return log_error_errno(r, "sd_event_add_time() failed: %m");
2037 m->scheduled_shutdown_timeout = elapse;
2039 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds);
2041 const char *tty = NULL;
2043 (void) sd_bus_creds_get_uid(creds, &m->scheduled_shutdown_uid);
2044 (void) sd_bus_creds_get_tty(creds, &tty);
2046 r = free_and_strdup(&m->scheduled_shutdown_tty, tty);
2048 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
2053 #if 0 /// elogind does not support utmp-wtmp
2054 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);
2079 #if 0 /// elogind does not support utmp-wtmp
2081 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
2082 const char *tty = NULL;
2086 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds);
2088 (void) sd_bus_creds_get_uid(creds, &uid);
2089 (void) sd_bus_creds_get_tty(creds, &tty);
2092 utmp_wall("The system shutdown has been cancelled",
2093 uid_to_name(uid), tty, logind_wall_tty_filter, m);
2097 return sd_bus_reply_method_return(message, "b", cancelled);
2100 static int method_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2101 Manager *m = userdata;
2103 return method_do_shutdown_or_sleep(
2107 "org.freedesktop.login1.hibernate",
2108 "org.freedesktop.login1.hibernate-multiple-sessions",
2109 "org.freedesktop.login1.hibernate-ignore-inhibit",
2114 static int method_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2115 Manager *m = userdata;
2117 return method_do_shutdown_or_sleep(
2119 HANDLE_HYBRID_SLEEP,
2121 "org.freedesktop.login1.hibernate",
2122 "org.freedesktop.login1.hibernate-multiple-sessions",
2123 "org.freedesktop.login1.hibernate-ignore-inhibit",
2128 static int method_can_shutdown_or_sleep(
2130 sd_bus_message *message,
2133 const char *action_multiple_sessions,
2134 const char *action_ignore_inhibit,
2135 const char *sleep_verb,
2136 sd_bus_error *error) {
2138 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
2139 bool multiple_sessions, challenge, blocked;
2140 const char *result = NULL;
2147 assert(w <= _INHIBIT_WHAT_MAX);
2149 assert(action_multiple_sessions);
2150 assert(action_ignore_inhibit);
2153 r = can_sleep(m, sleep_verb);
2157 return sd_bus_reply_method_return(message, "s", "na");
2160 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds);
2164 r = sd_bus_creds_get_euid(creds, &uid);
2168 r = have_multiple_sessions(m, uid);
2172 multiple_sessions = r > 0;
2173 blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
2175 if (multiple_sessions) {
2176 r = bus_test_polkit(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, UID_INVALID, &challenge, error);
2183 result = "challenge";
2189 r = bus_test_polkit(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, UID_INVALID, &challenge, error);
2193 if (r > 0 && !result)
2195 else if (challenge && (!result || streq(result, "yes")))
2196 result = "challenge";
2201 if (!multiple_sessions && !blocked) {
2202 /* If neither inhibit nor multiple sessions
2203 * apply then just check the normal policy */
2205 r = bus_test_polkit(message, CAP_SYS_BOOT, action, NULL, UID_INVALID, &challenge, error);
2212 result = "challenge";
2217 return sd_bus_reply_method_return(message, "s", result);
2220 static int method_can_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2221 Manager *m = userdata;
2223 return method_can_shutdown_or_sleep(
2226 "org.freedesktop.login1.power-off",
2227 "org.freedesktop.login1.power-off-multiple-sessions",
2228 "org.freedesktop.login1.power-off-ignore-inhibit",
2233 static int method_can_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2234 Manager *m = userdata;
2236 return method_can_shutdown_or_sleep(
2239 "org.freedesktop.login1.reboot",
2240 "org.freedesktop.login1.reboot-multiple-sessions",
2241 "org.freedesktop.login1.reboot-ignore-inhibit",
2246 static int method_can_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2247 Manager *m = userdata;
2249 return method_can_shutdown_or_sleep(
2252 "org.freedesktop.login1.suspend",
2253 "org.freedesktop.login1.suspend-multiple-sessions",
2254 "org.freedesktop.login1.suspend-ignore-inhibit",
2259 static int method_can_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2260 Manager *m = userdata;
2262 return method_can_shutdown_or_sleep(
2265 "org.freedesktop.login1.hibernate",
2266 "org.freedesktop.login1.hibernate-multiple-sessions",
2267 "org.freedesktop.login1.hibernate-ignore-inhibit",
2272 static int method_can_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2273 Manager *m = userdata;
2275 return method_can_shutdown_or_sleep(
2278 "org.freedesktop.login1.hibernate",
2279 "org.freedesktop.login1.hibernate-multiple-sessions",
2280 "org.freedesktop.login1.hibernate-ignore-inhibit",
2285 static int property_get_reboot_to_firmware_setup(
2288 const char *interface,
2289 const char *property,
2290 sd_bus_message *reply,
2292 sd_bus_error *error) {
2293 #if 0 /// elogind does not support EFI
2300 r = efi_get_reboot_to_firmware();
2301 if (r < 0 && r != -EOPNOTSUPP)
2304 return sd_bus_message_append(reply, "b", r > 0);
2306 return sd_bus_message_append(reply, "b", -EOPNOTSUPP);
2310 static int method_set_reboot_to_firmware_setup(
2311 sd_bus_message *message,
2313 sd_bus_error *error) {
2316 Manager *m = userdata;
2321 r = sd_bus_message_read(message, "b", &b);
2325 r = bus_verify_polkit_async(message,
2327 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2331 &m->polkit_registry,
2336 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2338 #if 0 /// elogind does not support EFI
2339 r = efi_set_reboot_to_firmware(b);
2344 return sd_bus_reply_method_return(message, NULL);
2347 static int method_can_reboot_to_firmware_setup(
2348 sd_bus_message *message,
2350 sd_bus_error *error) {
2352 #if 0 /// elogind does not support EFI
2356 Manager *m = userdata;
2361 r = efi_reboot_to_firmware_supported();
2362 if (r == -EOPNOTSUPP)
2363 return sd_bus_reply_method_return(message, "s", "na");
2367 r = bus_test_polkit(message,
2369 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2380 result = "challenge";
2384 return sd_bus_reply_method_return(message, "s", result);
2386 return sd_bus_reply_method_return(message, "s", "na");
2390 static int method_set_wall_message(
2391 sd_bus_message *message,
2393 sd_bus_error *error) {
2396 Manager *m = userdata;
2398 int enable_wall_messages;
2403 r = sd_bus_message_read(message, "sb", &wall_message, &enable_wall_messages);
2407 r = bus_verify_polkit_async(message,
2409 "org.freedesktop.login1.set-wall-message",
2413 &m->polkit_registry,
2418 return 1; /* Will call us back */
2420 if (isempty(wall_message))
2421 m->wall_message = mfree(m->wall_message);
2423 r = free_and_strdup(&m->wall_message, wall_message);
2428 m->enable_wall_messages = enable_wall_messages;
2430 return sd_bus_reply_method_return(message, NULL);
2433 static int method_inhibit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2434 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
2435 const char *who, *why, *what, *mode;
2436 _cleanup_free_ char *id = NULL;
2437 _cleanup_close_ int fifo_fd = -1;
2438 Manager *m = userdata;
2439 Inhibitor *i = NULL;
2449 r = sd_bus_message_read(message, "ssss", &what, &who, &why, &mode);
2453 w = inhibit_what_from_string(what);
2455 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid what specification %s", what);
2457 mm = inhibit_mode_from_string(mode);
2459 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid mode specification %s", mode);
2461 /* Delay is only supported for shutdown/sleep */
2462 if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP)))
2463 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Delay inhibitors only supported for shutdown and sleep");
2465 /* Don't allow taking delay locks while we are already
2466 * executing the operation. We shouldn't create the impression
2467 * that the lock was successful if the machine is about to go
2468 * down/suspend any moment. */
2469 if (m->action_what & w)
2470 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "The operation inhibition has been requested for is already running");
2472 r = bus_verify_polkit_async(
2475 w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") :
2476 w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") :
2477 w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" :
2478 w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" :
2479 w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" :
2480 w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" :
2481 "org.freedesktop.login1.inhibit-handle-lid-switch",
2485 &m->polkit_registry,
2490 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2492 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID|SD_BUS_CREDS_PID, &creds);
2496 r = sd_bus_creds_get_euid(creds, &uid);
2500 r = sd_bus_creds_get_pid(creds, &pid);
2507 if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0)
2510 } while (hashmap_get(m->inhibitors, id));
2512 r = manager_add_inhibitor(m, id, &i);
2520 i->why = strdup(why);
2521 i->who = strdup(who);
2523 if (!i->why || !i->who) {
2528 fifo_fd = inhibitor_create_fifo(i);
2536 return sd_bus_reply_method_return(message, "h", fifo_fd);
2545 const sd_bus_vtable manager_vtable[] = {
2546 SD_BUS_VTABLE_START(0),
2548 SD_BUS_WRITABLE_PROPERTY("EnableWallMessages", "b", NULL, NULL, offsetof(Manager, enable_wall_messages), 0),
2549 SD_BUS_WRITABLE_PROPERTY("WallMessage", "s", NULL, NULL, offsetof(Manager, wall_message), 0),
2551 // SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), SD_BUS_VTABLE_PROPERTY_CONST),
2552 SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), SD_BUS_VTABLE_PROPERTY_CONST),
2553 SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), SD_BUS_VTABLE_PROPERTY_CONST),
2554 SD_BUS_PROPERTY("KillUserProcesses", "b", NULL, offsetof(Manager, kill_user_processes), SD_BUS_VTABLE_PROPERTY_CONST),
2555 SD_BUS_PROPERTY("RebootToFirmwareSetup", "b", property_get_reboot_to_firmware_setup, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2556 SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2557 SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2558 SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2559 SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2560 SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2561 SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL, offsetof(Manager, inhibit_delay_max), SD_BUS_VTABLE_PROPERTY_CONST),
2562 SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action, offsetof(Manager, handle_power_key), SD_BUS_VTABLE_PROPERTY_CONST),
2563 SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action, offsetof(Manager, handle_suspend_key), SD_BUS_VTABLE_PROPERTY_CONST),
2564 SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action, offsetof(Manager, handle_hibernate_key), SD_BUS_VTABLE_PROPERTY_CONST),
2565 SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch), SD_BUS_VTABLE_PROPERTY_CONST),
2566 SD_BUS_PROPERTY("HandleLidSwitchDocked", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_docked), SD_BUS_VTABLE_PROPERTY_CONST),
2567 SD_BUS_PROPERTY("HoldoffTimeoutUSec", "t", NULL, offsetof(Manager, holdoff_timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2568 SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action, offsetof(Manager, idle_action), SD_BUS_VTABLE_PROPERTY_CONST),
2569 SD_BUS_PROPERTY("IdleActionUSec", "t", NULL, offsetof(Manager, idle_action_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2570 SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing, 0, 0),
2571 SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing, 0, 0),
2572 SD_BUS_PROPERTY("ScheduledShutdown", "(st)", property_get_scheduled_shutdown, 0, 0),
2573 SD_BUS_PROPERTY("Docked", "b", property_get_docked, 0, 0),
2575 SD_BUS_METHOD("GetSession", "s", "o", method_get_session, SD_BUS_VTABLE_UNPRIVILEGED),
2576 SD_BUS_METHOD("GetSessionByPID", "u", "o", method_get_session_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
2577 SD_BUS_METHOD("GetUser", "u", "o", method_get_user, SD_BUS_VTABLE_UNPRIVILEGED),
2578 SD_BUS_METHOD("GetUserByPID", "u", "o", method_get_user_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
2579 SD_BUS_METHOD("GetSeat", "s", "o", method_get_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2580 SD_BUS_METHOD("ListSessions", NULL, "a(susso)", method_list_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2581 SD_BUS_METHOD("ListUsers", NULL, "a(uso)", method_list_users, SD_BUS_VTABLE_UNPRIVILEGED),
2582 SD_BUS_METHOD("ListSeats", NULL, "a(so)", method_list_seats, SD_BUS_VTABLE_UNPRIVILEGED),
2583 SD_BUS_METHOD("ListInhibitors", NULL, "a(ssssuu)", method_list_inhibitors, SD_BUS_VTABLE_UNPRIVILEGED),
2584 SD_BUS_METHOD("CreateSession", "uusssssussbssa(sv)", "soshusub", method_create_session, 0),
2585 SD_BUS_METHOD("ReleaseSession", "s", NULL, method_release_session, 0),
2586 SD_BUS_METHOD("ActivateSession", "s", NULL, method_activate_session, SD_BUS_VTABLE_UNPRIVILEGED),
2587 SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL, method_activate_session_on_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2588 SD_BUS_METHOD("LockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED),
2589 SD_BUS_METHOD("UnlockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED),
2590 SD_BUS_METHOD("LockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2591 SD_BUS_METHOD("UnlockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2592 SD_BUS_METHOD("KillSession", "ssi", NULL, method_kill_session, SD_BUS_VTABLE_UNPRIVILEGED),
2593 SD_BUS_METHOD("KillUser", "ui", NULL, method_kill_user, SD_BUS_VTABLE_UNPRIVILEGED),
2594 SD_BUS_METHOD("TerminateSession", "s", NULL, method_terminate_session, SD_BUS_VTABLE_UNPRIVILEGED),
2595 SD_BUS_METHOD("TerminateUser", "u", NULL, method_terminate_user, SD_BUS_VTABLE_UNPRIVILEGED),
2596 SD_BUS_METHOD("TerminateSeat", "s", NULL, method_terminate_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2597 SD_BUS_METHOD("SetUserLinger", "ubb", NULL, method_set_user_linger, SD_BUS_VTABLE_UNPRIVILEGED),
2598 SD_BUS_METHOD("AttachDevice", "ssb", NULL, method_attach_device, SD_BUS_VTABLE_UNPRIVILEGED),
2599 SD_BUS_METHOD("FlushDevices", "b", NULL, method_flush_devices, SD_BUS_VTABLE_UNPRIVILEGED),
2600 SD_BUS_METHOD("PowerOff", "b", NULL, method_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
2601 SD_BUS_METHOD("Reboot", "b", NULL, method_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
2602 SD_BUS_METHOD("Suspend", "b", NULL, method_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
2603 SD_BUS_METHOD("Hibernate", "b", NULL, method_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
2604 SD_BUS_METHOD("HybridSleep", "b", NULL, method_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
2605 SD_BUS_METHOD("CanPowerOff", NULL, "s", method_can_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
2606 SD_BUS_METHOD("CanReboot", NULL, "s", method_can_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
2607 SD_BUS_METHOD("CanSuspend", NULL, "s", method_can_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
2608 SD_BUS_METHOD("CanHibernate", NULL, "s", method_can_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
2609 SD_BUS_METHOD("CanHybridSleep", NULL, "s", method_can_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
2610 SD_BUS_METHOD("ScheduleShutdown", "st", NULL, method_schedule_shutdown, SD_BUS_VTABLE_UNPRIVILEGED),
2611 SD_BUS_METHOD("CancelScheduledShutdown", NULL, "b", method_cancel_scheduled_shutdown, SD_BUS_VTABLE_UNPRIVILEGED),
2612 SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit, SD_BUS_VTABLE_UNPRIVILEGED),
2613 SD_BUS_METHOD("CanRebootToFirmwareSetup", NULL, "s", method_can_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED),
2614 SD_BUS_METHOD("SetRebootToFirmwareSetup", "b", NULL, method_set_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED),
2615 SD_BUS_METHOD("SetWallMessage", "sb", NULL, method_set_wall_message, SD_BUS_VTABLE_UNPRIVILEGED),
2617 SD_BUS_SIGNAL("SessionNew", "so", 0),
2618 SD_BUS_SIGNAL("SessionRemoved", "so", 0),
2619 SD_BUS_SIGNAL("UserNew", "uo", 0),
2620 SD_BUS_SIGNAL("UserRemoved", "uo", 0),
2621 SD_BUS_SIGNAL("SeatNew", "so", 0),
2622 SD_BUS_SIGNAL("SeatRemoved", "so", 0),
2623 SD_BUS_SIGNAL("PrepareForShutdown", "b", 0),
2624 SD_BUS_SIGNAL("PrepareForSleep", "b", 0),
2629 #if 0 /// UNNEEDED by elogind
2630 static int session_jobs_reply(Session *s, const char *unit, const char *result) {
2639 if (streq(result, "done"))
2640 r = session_send_create_reply(s, NULL);
2642 _cleanup_(sd_bus_error_free) sd_bus_error e = SD_BUS_ERROR_NULL;
2644 sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result);
2645 r = session_send_create_reply(s, &e);
2651 int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2652 const char *path, *result, *unit;
2653 Manager *m = userdata;
2662 r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result);
2664 bus_log_parse_error(r);
2668 if (m->action_job && streq(m->action_job, path)) {
2669 log_info("Operation '%s' finished.", inhibit_what_to_string(m->action_what));
2671 /* Tell people that they now may take a lock again */
2672 send_prepare_for(m, m->action_what, false);
2674 m->action_job = mfree(m->action_job);
2675 m->action_unit = NULL;
2680 session = hashmap_get(m->session_units, unit);
2681 if (session && streq_ptr(path, session->scope_job)) {
2682 session->scope_job = mfree(session->scope_job);
2683 session_jobs_reply(session, unit, result);
2685 session_save(session);
2686 user_save(session->user);
2687 session_add_to_gc_queue(session);
2690 user = hashmap_get(m->user_units, unit);
2692 (streq_ptr(path, user->service_job) ||
2693 streq_ptr(path, user->slice_job))) {
2695 if (streq_ptr(path, user->service_job))
2696 user->service_job = mfree(user->service_job);
2698 if (streq_ptr(path, user->slice_job))
2699 user->slice_job = mfree(user->slice_job);
2701 LIST_FOREACH(sessions_by_user, session, user->sessions)
2702 session_jobs_reply(session, unit, result);
2705 user_add_to_gc_queue(user);
2711 int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2712 const char *path, *unit;
2713 Manager *m = userdata;
2721 r = sd_bus_message_read(message, "so", &unit, &path);
2723 bus_log_parse_error(r);
2727 session = hashmap_get(m->session_units, unit);
2729 session_add_to_gc_queue(session);
2731 user = hashmap_get(m->user_units, unit);
2733 user_add_to_gc_queue(user);
2738 int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2739 _cleanup_free_ char *unit = NULL;
2740 Manager *m = userdata;
2749 path = sd_bus_message_get_path(message);
2753 r = unit_name_from_dbus_path(path, &unit);
2754 if (r == -EINVAL) /* not a unit */
2761 session = hashmap_get(m->session_units, unit);
2763 session_add_to_gc_queue(session);
2765 user = hashmap_get(m->user_units, unit);
2767 user_add_to_gc_queue(user);
2772 int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2773 Manager *m = userdata;
2781 r = sd_bus_message_read(message, "b", &b);
2783 bus_log_parse_error(r);
2790 /* systemd finished reloading, let's recheck all our sessions */
2791 log_debug("System manager has been reloaded, rechecking sessions...");
2793 HASHMAP_FOREACH(session, m->sessions, i)
2794 session_add_to_gc_queue(session);
2800 int manager_send_changed(Manager *manager, const char *property, ...) {
2805 l = strv_from_stdarg_alloca(property);
2807 return sd_bus_emit_properties_changed_strv(
2809 "/org/freedesktop/login1",
2810 "org.freedesktop.login1.Manager",
2814 #if 0 /// UNNEEDED by elogind
2815 static int strdup_job(sd_bus_message *reply, char **job) {
2820 r = sd_bus_message_read(reply, "o", &j);
2832 int manager_start_slice(
2835 const char *description,
2839 sd_bus_error *error,
2842 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
2848 r = sd_bus_message_new_method_call(
2851 "org.freedesktop.systemd1",
2852 "/org/freedesktop/systemd1",
2853 "org.freedesktop.systemd1.Manager",
2854 "StartTransientUnit");
2858 r = sd_bus_message_append(m, "ss", strempty(slice), "fail");
2862 r = sd_bus_message_open_container(m, 'a', "(sv)");
2866 if (!isempty(description)) {
2867 r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
2872 if (!isempty(after)) {
2873 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after);
2878 if (!isempty(after2)) {
2879 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2);
2884 r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", tasks_max);
2888 r = sd_bus_message_close_container(m);
2892 r = sd_bus_message_append(m, "a(sa(sv))", 0);
2896 r = sd_bus_call(manager->bus, m, 0, error, &reply);
2901 return strdup_job(reply, job);
2905 int manager_start_scope(
2910 const char *description,
2914 sd_bus_error *error,
2917 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
2924 r = sd_bus_message_new_method_call(
2927 "org.freedesktop.systemd1",
2928 "/org/freedesktop/systemd1",
2929 "org.freedesktop.systemd1.Manager",
2930 "StartTransientUnit");
2934 r = sd_bus_message_append(m, "ss", strempty(scope), "fail");
2938 r = sd_bus_message_open_container(m, 'a', "(sv)");
2942 if (!isempty(slice)) {
2943 r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice);
2948 if (!isempty(description)) {
2949 r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
2954 if (!isempty(after)) {
2955 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after);
2960 if (!isempty(after2)) {
2961 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2);
2966 /* cgroup empty notification is not available in containers
2967 * currently. To make this less problematic, let's shorten the
2968 * stop timeout for sessions, so that we don't wait
2971 /* Make sure that the session shells are terminated with
2972 * SIGHUP since bash and friends tend to ignore SIGTERM */
2973 r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", true);
2977 r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid);
2981 r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", tasks_max);
2985 r = sd_bus_message_close_container(m);
2989 r = sd_bus_message_append(m, "a(sa(sv))", 0);
2993 r = sd_bus_call(manager->bus, m, 0, error, &reply);
2998 return strdup_job(reply, job);
3002 int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
3003 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3009 r = sd_bus_call_method(
3011 "org.freedesktop.systemd1",
3012 "/org/freedesktop/systemd1",
3013 "org.freedesktop.systemd1.Manager",
3017 "ss", unit, "replace");
3022 return strdup_job(reply, job);
3026 int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
3027 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3033 r = sd_bus_call_method(
3035 "org.freedesktop.systemd1",
3036 "/org/freedesktop/systemd1",
3037 "org.freedesktop.systemd1.Manager",
3041 "ss", unit, "fail");
3043 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
3044 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) {
3049 sd_bus_error_free(error);
3057 return strdup_job(reply, job);
3061 int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error) {
3062 _cleanup_free_ char *path = NULL;
3068 path = unit_dbus_path_from_name(scope);
3072 r = sd_bus_call_method(
3074 "org.freedesktop.systemd1",
3076 "org.freedesktop.systemd1.Scope",
3082 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
3083 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED) ||
3084 sd_bus_error_has_name(error, BUS_ERROR_SCOPE_NOT_RUNNING)) {
3085 sd_bus_error_free(error);
3095 int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) {
3099 return sd_bus_call_method(
3101 "org.freedesktop.systemd1",
3102 "/org/freedesktop/systemd1",
3103 "org.freedesktop.systemd1.Manager",
3107 "ssi", unit, who == KILL_LEADER ? "main" : "all", signo);
3110 int manager_unit_is_active(Manager *manager, const char *unit) {
3111 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3112 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3113 _cleanup_free_ char *path = NULL;
3120 path = unit_dbus_path_from_name(unit);
3124 r = sd_bus_get_property(
3126 "org.freedesktop.systemd1",
3128 "org.freedesktop.systemd1.Unit",
3134 /* systemd might have droppped off momentarily, let's
3135 * not make this an error */
3136 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
3137 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
3140 /* If the unit is already unloaded then it's not
3142 if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) ||
3143 sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED))
3149 r = sd_bus_message_read(reply, "s", &state);
3153 return !streq(state, "inactive") && !streq(state, "failed");
3156 int manager_job_is_active(Manager *manager, const char *path) {
3157 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3158 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3164 r = sd_bus_get_property(
3166 "org.freedesktop.systemd1",
3168 "org.freedesktop.systemd1.Job",
3174 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
3175 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
3178 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT))
3184 /* We don't actually care about the state really. The fact
3185 * that we could read the job state is enough for us */