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;
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);
1111 } else if (!uid_is_valid(uid))
1117 return errno > 0 ? -errno : -ENOENT;
1119 r = bus_verify_polkit_async(
1122 "org.freedesktop.login1.set-user-linger",
1126 &m->polkit_registry,
1131 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1133 mkdir_p_label("/var/lib/systemd", 0755);
1135 r = mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0);
1139 cc = cescape(pw->pw_name);
1143 path = strjoina("/var/lib/systemd/linger/", cc);
1151 if (manager_add_user_by_uid(m, uid, &u) >= 0)
1158 if (r < 0 && errno != ENOENT)
1161 u = hashmap_get(m->users, UID_TO_PTR(uid));
1163 user_add_to_gc_queue(u);
1166 return sd_bus_reply_method_return(message, NULL);
1169 static int trigger_device(Manager *m, struct udev_device *d) {
1170 _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
1171 struct udev_list_entry *first, *item;
1176 e = udev_enumerate_new(m->udev);
1181 r = udev_enumerate_add_match_parent(e, d);
1186 r = udev_enumerate_scan_devices(e);
1190 first = udev_enumerate_get_list_entry(e);
1191 udev_list_entry_foreach(item, first) {
1192 _cleanup_free_ char *t = NULL;
1195 p = udev_list_entry_get_name(item);
1197 t = strappend(p, "/uevent");
1201 write_string_file(t, "change", WRITE_STRING_FILE_CREATE);
1207 static int attach_device(Manager *m, const char *seat, const char *sysfs) {
1208 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
1209 _cleanup_free_ char *rule = NULL, *file = NULL;
1210 const char *id_for_seat;
1217 d = udev_device_new_from_syspath(m->udev, sysfs);
1221 if (!udev_device_has_tag(d, "seat"))
1224 id_for_seat = udev_device_get_property_value(d, "ID_FOR_SEAT");
1228 if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0)
1231 if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0)
1234 mkdir_p_label("/etc/udev/rules.d", 0755);
1235 r = write_string_file_atomic_label(file, rule);
1239 return trigger_device(m, d);
1242 static int flush_devices(Manager *m) {
1243 _cleanup_closedir_ DIR *d;
1247 d = opendir("/etc/udev/rules.d");
1249 if (errno != ENOENT)
1250 log_warning_errno(errno, "Failed to open /etc/udev/rules.d: %m");
1254 while ((de = readdir(d))) {
1256 if (!dirent_is_file(de))
1259 if (!startswith(de->d_name, "72-seat-"))
1262 if (!endswith(de->d_name, ".rules"))
1265 if (unlinkat(dirfd(d), de->d_name, 0) < 0)
1266 log_warning_errno(errno, "Failed to unlink %s: %m", de->d_name);
1270 return trigger_device(m, NULL);
1273 static int method_attach_device(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1274 const char *sysfs, *seat;
1275 Manager *m = userdata;
1281 r = sd_bus_message_read(message, "ssb", &seat, &sysfs, &interactive);
1285 if (!path_startswith(sysfs, "/sys"))
1286 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not in /sys", sysfs);
1288 if (!seat_name_is_valid(seat))
1289 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat %s is not valid", seat);
1291 r = bus_verify_polkit_async(
1294 "org.freedesktop.login1.attach-device",
1298 &m->polkit_registry,
1303 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1305 r = attach_device(m, seat, sysfs);
1309 return sd_bus_reply_method_return(message, NULL);
1312 static int method_flush_devices(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1313 Manager *m = userdata;
1319 r = sd_bus_message_read(message, "b", &interactive);
1323 r = bus_verify_polkit_async(
1326 "org.freedesktop.login1.flush-devices",
1330 &m->polkit_registry,
1335 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1337 r = flush_devices(m);
1341 return sd_bus_reply_method_return(message, NULL);
1344 static int have_multiple_sessions(
1353 /* Check for other users' sessions. Greeter sessions do not
1354 * count, and non-login sessions do not count either. */
1355 HASHMAP_FOREACH(session, m->sessions, i)
1356 if (session->class == SESSION_USER &&
1357 session->user->uid != uid)
1363 static int bus_manager_log_shutdown(
1366 #if 0 /// elogind does not support systemd units
1367 const char *unit_name) {
1374 if (w != INHIBIT_SHUTDOWN)
1377 if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) {
1378 p = "MESSAGE=System is powering down";
1379 q = "SHUTDOWN=power-off";
1380 } else if (streq(unit_name, SPECIAL_HALT_TARGET)) {
1381 p = "MESSAGE=System is halting";
1382 q = "SHUTDOWN=halt";
1383 } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) {
1384 p = "MESSAGE=System is rebooting";
1385 q = "SHUTDOWN=reboot";
1386 } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) {
1387 p = "MESSAGE=System is rebooting with kexec";
1388 q = "SHUTDOWN=kexec";
1390 p = "MESSAGE=System is shutting down";
1394 HandleAction action) {
1400 if (w != INHIBIT_SHUTDOWN)
1404 case HANDLE_POWEROFF:
1405 p = "MESSAGE=System is powering down.";
1406 q = "SHUTDOWN=power-off";
1409 p = "MESSAGE=System is halting.";
1410 q = "SHUTDOWN=halt";
1413 p = "MESSAGE=System is rebooting.";
1414 q = "SHUTDOWN=reboot";
1417 p = "MESSAGE=System is rebooting with kexec.";
1418 q = "SHUTDOWN=kexec";
1421 p = "MESSAGE=System is shutting down.";
1425 if (isempty(m->wall_message))
1426 p = strjoina(p, ".");
1428 p = strjoina(p, " (", m->wall_message, ").");
1430 return log_struct(LOG_NOTICE,
1431 LOG_MESSAGE_ID(SD_MESSAGE_SHUTDOWN),
1437 static int lid_switch_ignore_handler(sd_event_source *e, uint64_t usec, void *userdata) {
1438 Manager *m = userdata;
1443 m->lid_switch_ignore_event_source = sd_event_source_unref(m->lid_switch_ignore_event_source);
1447 int manager_set_lid_switch_ignore(Manager *m, usec_t until) {
1452 if (until <= now(CLOCK_MONOTONIC))
1455 /* We want to ignore the lid switch for a while after each
1456 * suspend, and after boot-up. Hence let's install a timer for
1457 * this. As long as the event source exists we ignore the lid
1460 if (m->lid_switch_ignore_event_source) {
1463 r = sd_event_source_get_time(m->lid_switch_ignore_event_source, &u);
1470 r = sd_event_source_set_time(m->lid_switch_ignore_event_source, until);
1472 r = sd_event_add_time(
1474 &m->lid_switch_ignore_event_source,
1477 lid_switch_ignore_handler, m);
1482 static void reset_scheduled_shutdown(Manager *m) {
1483 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
1484 m->wall_message_timeout_source = sd_event_source_unref(m->wall_message_timeout_source);
1485 m->nologin_timeout_source = sd_event_source_unref(m->nologin_timeout_source);
1486 m->scheduled_shutdown_type = mfree(m->scheduled_shutdown_type);
1487 m->scheduled_shutdown_timeout = 0;
1488 m->shutdown_dry_run = false;
1490 if (m->unlink_nologin) {
1491 (void) unlink("/run/nologin");
1492 m->unlink_nologin = false;
1496 static int execute_shutdown_or_sleep(
1499 HandleAction action,
1500 sd_bus_error *error) {
1502 #if 0 /// elogind does not need these, we do it ourselves
1503 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1511 assert(w < _INHIBIT_WHAT_MAX);
1513 bus_manager_log_shutdown(m, w, action);
1515 #if 0 /// elogind does it directly without depending on systemd running the system
1516 if (m->shutdown_dry_run) {
1517 log_info("Running in dry run, suppressing action.");
1518 reset_scheduled_shutdown(m);
1520 r = sd_bus_call_method(
1522 "org.freedesktop.systemd1",
1523 "/org/freedesktop/systemd1",
1524 "org.freedesktop.systemd1.Manager",
1528 "ss", unit_name, "replace-irreversibly");
1530 r = shutdown_or_sleep(m, action);
1532 /* no more pending actions, whether this failed or not */
1533 m->pending_action = HANDLE_IGNORE;
1539 #if 0 /// elogind neither needs a dbus reply, nor supports systemd action jobs
1540 r = sd_bus_message_read(reply, "o", &p);
1549 m->action_unit = unit_name;
1550 free(m->action_job);
1555 /* Make sure the lid switch is ignored for a while */
1556 manager_set_lid_switch_ignore(m, now(CLOCK_MONOTONIC) + m->holdoff_timeout_usec);
1561 int manager_dispatch_delayed(Manager *manager, bool timeout) {
1563 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1564 Inhibitor *offending = NULL;
1569 if ( (0 == manager->action_what) || (HANDLE_IGNORE == manager->pending_action) )
1572 if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0, &offending)) {
1573 _cleanup_free_ char *comm = NULL, *u = NULL;
1578 (void) get_process_comm(offending->pid, &comm);
1579 u = uid_to_name(offending->uid);
1581 log_notice("Delay lock is active (UID "UID_FMT"/%s, PID "PID_FMT"/%s) but inhibitor timeout is reached.",
1582 offending->uid, strna(u),
1583 offending->pid, strna(comm));
1586 /* Actually do the operation */
1587 r = execute_shutdown_or_sleep(manager, manager->action_what, manager->pending_action, &error);
1589 log_warning("Failed to send delayed message: %s", bus_error_message(&error, r));
1591 manager->pending_action = HANDLE_IGNORE;
1592 manager->action_what = 0;
1599 static int manager_inhibit_timeout_handler(
1604 Manager *manager = userdata;
1608 assert(manager->inhibit_timeout_source == s);
1610 r = manager_dispatch_delayed(manager, true);
1611 return (r < 0) ? r : 0;
1614 static int delay_shutdown_or_sleep(
1617 HandleAction action) {
1624 assert(w < _INHIBIT_WHAT_MAX);
1626 timeout_val = now(CLOCK_MONOTONIC) + m->inhibit_delay_max;
1628 if (m->inhibit_timeout_source) {
1629 r = sd_event_source_set_time(m->inhibit_timeout_source, timeout_val);
1631 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
1633 r = sd_event_source_set_enabled(m->inhibit_timeout_source, SD_EVENT_ONESHOT);
1635 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
1637 r = sd_event_add_time(m->event, &m->inhibit_timeout_source, CLOCK_MONOTONIC,
1638 timeout_val, 0, manager_inhibit_timeout_handler, m);
1643 m->pending_action = action;
1649 static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) {
1651 static const char * const signal_name[_INHIBIT_WHAT_MAX] = {
1652 [INHIBIT_SHUTDOWN] = "PrepareForShutdown",
1653 [INHIBIT_SLEEP] = "PrepareForSleep"
1656 int active = _active;
1660 assert(w < _INHIBIT_WHAT_MAX);
1661 assert(signal_name[w]);
1663 return sd_bus_emit_signal(m->bus,
1664 "/org/freedesktop/login1",
1665 "org.freedesktop.login1.Manager",
1671 int bus_manager_shutdown_or_sleep_now_or_later(
1673 HandleAction action,
1675 sd_bus_error *error) {
1682 assert(w <= _INHIBIT_WHAT_MAX);
1684 /* Tell everybody to prepare for shutdown/sleep */
1685 send_prepare_for(m, w, true);
1688 m->inhibit_delay_max > 0 &&
1689 manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0, NULL);
1692 /* Shutdown is delayed, keep in mind what we
1693 * want to do, and start a timeout */
1694 r = delay_shutdown_or_sleep(m, w, action);
1696 /* Shutdown is not delayed, execute it
1698 r = execute_shutdown_or_sleep(m, w, action, error);
1703 static int verify_shutdown_creds(
1705 sd_bus_message *message,
1709 const char *action_multiple_sessions,
1710 const char *action_ignore_inhibit,
1711 sd_bus_error *error) {
1713 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
1714 bool multiple_sessions, blocked;
1721 assert(w <= _INHIBIT_WHAT_MAX);
1723 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds);
1727 r = sd_bus_creds_get_euid(creds, &uid);
1731 r = have_multiple_sessions(m, uid);
1735 multiple_sessions = r > 0;
1736 blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
1738 if (multiple_sessions && action_multiple_sessions) {
1739 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1743 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1746 if (blocked && action_ignore_inhibit) {
1747 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1751 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1754 if (!multiple_sessions && !blocked && action) {
1755 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1759 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1765 static int method_do_shutdown_or_sleep(
1767 sd_bus_message *message,
1768 HandleAction sleep_action,
1771 const char *action_multiple_sessions,
1772 const char *action_ignore_inhibit,
1773 const char *sleep_verb,
1774 sd_bus_error *error) {
1781 assert(w <= _INHIBIT_WHAT_MAX);
1783 r = sd_bus_message_read(message, "b", &interactive);
1787 /* Don't allow multiple jobs being executed at the same time */
1789 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "There's already a shutdown or sleep operation in progress");
1792 r = can_sleep(m, sleep_verb);
1797 return sd_bus_error_setf(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, "Sleep verb not supported");
1800 r = verify_shutdown_creds(m, message, w, interactive, action, action_multiple_sessions,
1801 action_ignore_inhibit, error);
1805 r = bus_manager_shutdown_or_sleep_now_or_later(m, sleep_action, w, error);
1809 return sd_bus_reply_method_return(message, NULL);
1812 static int method_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1813 Manager *m = userdata;
1815 return method_do_shutdown_or_sleep(
1819 "org.freedesktop.login1.power-off",
1820 "org.freedesktop.login1.power-off-multiple-sessions",
1821 "org.freedesktop.login1.power-off-ignore-inhibit",
1826 static int method_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1827 Manager *m = userdata;
1829 return method_do_shutdown_or_sleep(
1833 "org.freedesktop.login1.reboot",
1834 "org.freedesktop.login1.reboot-multiple-sessions",
1835 "org.freedesktop.login1.reboot-ignore-inhibit",
1840 static int method_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1841 Manager *m = userdata;
1843 return method_do_shutdown_or_sleep(
1847 "org.freedesktop.login1.suspend",
1848 "org.freedesktop.login1.suspend-multiple-sessions",
1849 "org.freedesktop.login1.suspend-ignore-inhibit",
1854 static int nologin_timeout_handler(
1859 Manager *m = userdata;
1862 log_info("Creating /run/nologin, blocking further logins...");
1864 r = write_string_file_atomic_label("/run/nologin", "System is going down.");
1866 log_error_errno(r, "Failed to create /run/nologin: %m");
1868 m->unlink_nologin = true;
1873 static int update_schedule_file(Manager *m) {
1874 _cleanup_free_ char *temp_path = NULL;
1875 _cleanup_fclose_ FILE *f = NULL;
1880 r = mkdir_safe_label("/run/systemd/shutdown", 0755, 0, 0);
1882 return log_error_errno(r, "Failed to create shutdown subdirectory: %m");
1884 r = fopen_temporary("/run/systemd/shutdown/scheduled", &f, &temp_path);
1886 return log_error_errno(r, "Failed to save information about scheduled shutdowns: %m");
1888 (void) fchmod(fileno(f), 0644);
1894 m->scheduled_shutdown_timeout,
1895 m->enable_wall_messages,
1896 m->scheduled_shutdown_type);
1898 if (!isempty(m->wall_message)) {
1899 _cleanup_free_ char *t;
1901 t = cescape(m->wall_message);
1907 fprintf(f, "WALL_MESSAGE=%s\n", t);
1910 r = fflush_and_check(f);
1914 if (rename(temp_path, "/run/systemd/shutdown/scheduled") < 0) {
1922 (void) unlink(temp_path);
1923 (void) unlink("/run/systemd/shutdown/scheduled");
1925 return log_error_errno(r, "Failed to write information about scheduled shutdowns: %m");
1928 static int manager_scheduled_shutdown_handler(
1933 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1934 Manager *m = userdata;
1935 HandleAction action;
1940 if (isempty(m->scheduled_shutdown_type))
1943 if (streq(m->scheduled_shutdown_type, "halt"))
1944 action = HANDLE_HALT;
1945 else if (streq(m->scheduled_shutdown_type, "poweroff"))
1946 action = HANDLE_POWEROFF;
1948 action = HANDLE_REBOOT;
1950 r = execute_shutdown_or_sleep(m, 0, action, &error);
1952 return log_error_errno(r, "Unable to execute transition to %s: %m", m->scheduled_shutdown_type);
1957 static int method_schedule_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1958 Manager *m = userdata;
1959 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
1960 const char *action_multiple_sessions = NULL;
1961 const char *action_ignore_inhibit = NULL;
1962 const char *action = NULL;
1970 r = sd_bus_message_read(message, "st", &type, &elapse);
1974 if (startswith(type, "dry-")) {
1976 m->shutdown_dry_run = true;
1979 if (streq(type, "reboot")) {
1980 action = "org.freedesktop.login1.reboot";
1981 action_multiple_sessions = "org.freedesktop.login1.reboot-multiple-sessions";
1982 action_ignore_inhibit = "org.freedesktop.login1.reboot-ignore-inhibit";
1983 } else if (streq(type, "halt")) {
1984 action = "org.freedesktop.login1.halt";
1985 action_multiple_sessions = "org.freedesktop.login1.halt-multiple-sessions";
1986 action_ignore_inhibit = "org.freedesktop.login1.halt-ignore-inhibit";
1987 } else if (streq(type, "poweroff")) {
1988 action = "org.freedesktop.login1.power-off";
1989 action_multiple_sessions = "org.freedesktop.login1.power-off-multiple-sessions";
1990 action_ignore_inhibit = "org.freedesktop.login1.power-off-ignore-inhibit";
1992 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unsupported shutdown type");
1994 r = verify_shutdown_creds(m, message, INHIBIT_SHUTDOWN, false,
1995 action, action_multiple_sessions, action_ignore_inhibit, error);
1999 if (m->scheduled_shutdown_timeout_source) {
2000 r = sd_event_source_set_time(m->scheduled_shutdown_timeout_source, elapse);
2002 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
2004 r = sd_event_source_set_enabled(m->scheduled_shutdown_timeout_source, SD_EVENT_ONESHOT);
2006 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
2008 r = sd_event_add_time(m->event, &m->scheduled_shutdown_timeout_source,
2009 CLOCK_REALTIME, elapse, 0, manager_scheduled_shutdown_handler, m);
2011 return log_error_errno(r, "sd_event_add_time() failed: %m");
2014 r = free_and_strdup(&m->scheduled_shutdown_type, type);
2016 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
2020 if (m->nologin_timeout_source) {
2021 r = sd_event_source_set_time(m->nologin_timeout_source, elapse);
2023 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
2025 r = sd_event_source_set_enabled(m->nologin_timeout_source, SD_EVENT_ONESHOT);
2027 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
2029 r = sd_event_add_time(m->event, &m->nologin_timeout_source,
2030 CLOCK_REALTIME, elapse - 5 * USEC_PER_MINUTE, 0, nologin_timeout_handler, m);
2032 return log_error_errno(r, "sd_event_add_time() failed: %m");
2035 m->scheduled_shutdown_timeout = elapse;
2037 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds);
2039 const char *tty = NULL;
2041 (void) sd_bus_creds_get_uid(creds, &m->scheduled_shutdown_uid);
2042 (void) sd_bus_creds_get_tty(creds, &tty);
2044 r = free_and_strdup(&m->scheduled_shutdown_tty, tty);
2046 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
2051 #if 0 /// elogind does not support utmp-wtmp
2052 r = manager_setup_wall_message_timer(m);
2057 if (!isempty(type)) {
2058 r = update_schedule_file(m);
2062 (void) unlink("/run/systemd/shutdown/scheduled");
2064 return sd_bus_reply_method_return(message, NULL);
2067 static int method_cancel_scheduled_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2068 Manager *m = userdata;
2074 cancelled = m->scheduled_shutdown_type != NULL;
2075 reset_scheduled_shutdown(m);
2077 #if 0 /// elogind does not support utmp-wtmp
2079 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
2080 const char *tty = NULL;
2084 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds);
2086 (void) sd_bus_creds_get_uid(creds, &uid);
2087 (void) sd_bus_creds_get_tty(creds, &tty);
2090 utmp_wall("The system shutdown has been cancelled",
2091 uid_to_name(uid), tty, logind_wall_tty_filter, m);
2095 return sd_bus_reply_method_return(message, "b", cancelled);
2098 static int method_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2099 Manager *m = userdata;
2101 return method_do_shutdown_or_sleep(
2105 "org.freedesktop.login1.hibernate",
2106 "org.freedesktop.login1.hibernate-multiple-sessions",
2107 "org.freedesktop.login1.hibernate-ignore-inhibit",
2112 static int method_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2113 Manager *m = userdata;
2115 return method_do_shutdown_or_sleep(
2117 HANDLE_HYBRID_SLEEP,
2119 "org.freedesktop.login1.hibernate",
2120 "org.freedesktop.login1.hibernate-multiple-sessions",
2121 "org.freedesktop.login1.hibernate-ignore-inhibit",
2126 static int method_can_shutdown_or_sleep(
2128 sd_bus_message *message,
2131 const char *action_multiple_sessions,
2132 const char *action_ignore_inhibit,
2133 const char *sleep_verb,
2134 sd_bus_error *error) {
2136 _cleanup_(sd_bus_creds_unrefp) 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(m, sleep_verb);
2155 return sd_bus_reply_method_return(message, "s", "na");
2158 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds);
2162 r = sd_bus_creds_get_euid(creds, &uid);
2166 r = have_multiple_sessions(m, uid);
2170 multiple_sessions = r > 0;
2171 blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
2173 if (multiple_sessions) {
2174 r = bus_test_polkit(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, UID_INVALID, &challenge, error);
2181 result = "challenge";
2187 r = bus_test_polkit(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, UID_INVALID, &challenge, error);
2191 if (r > 0 && !result)
2193 else if (challenge && (!result || streq(result, "yes")))
2194 result = "challenge";
2199 if (!multiple_sessions && !blocked) {
2200 /* If neither inhibit nor multiple sessions
2201 * apply then just check the normal policy */
2203 r = bus_test_polkit(message, CAP_SYS_BOOT, action, NULL, UID_INVALID, &challenge, error);
2210 result = "challenge";
2215 return sd_bus_reply_method_return(message, "s", result);
2218 static int method_can_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2219 Manager *m = userdata;
2221 return method_can_shutdown_or_sleep(
2224 "org.freedesktop.login1.power-off",
2225 "org.freedesktop.login1.power-off-multiple-sessions",
2226 "org.freedesktop.login1.power-off-ignore-inhibit",
2231 static int method_can_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2232 Manager *m = userdata;
2234 return method_can_shutdown_or_sleep(
2237 "org.freedesktop.login1.reboot",
2238 "org.freedesktop.login1.reboot-multiple-sessions",
2239 "org.freedesktop.login1.reboot-ignore-inhibit",
2244 static int method_can_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2245 Manager *m = userdata;
2247 return method_can_shutdown_or_sleep(
2250 "org.freedesktop.login1.suspend",
2251 "org.freedesktop.login1.suspend-multiple-sessions",
2252 "org.freedesktop.login1.suspend-ignore-inhibit",
2257 static int method_can_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2258 Manager *m = userdata;
2260 return method_can_shutdown_or_sleep(
2263 "org.freedesktop.login1.hibernate",
2264 "org.freedesktop.login1.hibernate-multiple-sessions",
2265 "org.freedesktop.login1.hibernate-ignore-inhibit",
2270 static int method_can_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2271 Manager *m = userdata;
2273 return method_can_shutdown_or_sleep(
2276 "org.freedesktop.login1.hibernate",
2277 "org.freedesktop.login1.hibernate-multiple-sessions",
2278 "org.freedesktop.login1.hibernate-ignore-inhibit",
2283 static int property_get_reboot_to_firmware_setup(
2286 const char *interface,
2287 const char *property,
2288 sd_bus_message *reply,
2290 sd_bus_error *error) {
2291 #if 0 /// elogind does not support EFI
2298 r = efi_get_reboot_to_firmware();
2299 if (r < 0 && r != -EOPNOTSUPP)
2302 return sd_bus_message_append(reply, "b", r > 0);
2304 return sd_bus_message_append(reply, "b", -EOPNOTSUPP);
2308 static int method_set_reboot_to_firmware_setup(
2309 sd_bus_message *message,
2311 sd_bus_error *error) {
2314 Manager *m = userdata;
2319 r = sd_bus_message_read(message, "b", &b);
2323 r = bus_verify_polkit_async(message,
2325 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2329 &m->polkit_registry,
2334 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2336 #if 0 /// elogind does not support EFI
2337 r = efi_set_reboot_to_firmware(b);
2342 return sd_bus_reply_method_return(message, NULL);
2345 static int method_can_reboot_to_firmware_setup(
2346 sd_bus_message *message,
2348 sd_bus_error *error) {
2350 #if 0 /// elogind does not support EFI
2354 Manager *m = userdata;
2359 r = efi_reboot_to_firmware_supported();
2360 if (r == -EOPNOTSUPP)
2361 return sd_bus_reply_method_return(message, "s", "na");
2365 r = bus_test_polkit(message,
2367 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2378 result = "challenge";
2382 return sd_bus_reply_method_return(message, "s", result);
2384 return sd_bus_reply_method_return(message, "s", "na");
2388 static int method_set_wall_message(
2389 sd_bus_message *message,
2391 sd_bus_error *error) {
2394 Manager *m = userdata;
2396 int enable_wall_messages;
2401 r = sd_bus_message_read(message, "sb", &wall_message, &enable_wall_messages);
2405 r = bus_verify_polkit_async(message,
2407 "org.freedesktop.login1.set-wall-message",
2411 &m->polkit_registry,
2416 return 1; /* Will call us back */
2418 if (isempty(wall_message))
2419 m->wall_message = mfree(m->wall_message);
2421 r = free_and_strdup(&m->wall_message, wall_message);
2426 m->enable_wall_messages = enable_wall_messages;
2428 return sd_bus_reply_method_return(message, NULL);
2431 static int method_inhibit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2432 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
2433 const char *who, *why, *what, *mode;
2434 _cleanup_free_ char *id = NULL;
2435 _cleanup_close_ int fifo_fd = -1;
2436 Manager *m = userdata;
2437 Inhibitor *i = NULL;
2447 r = sd_bus_message_read(message, "ssss", &what, &who, &why, &mode);
2451 w = inhibit_what_from_string(what);
2453 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid what specification %s", what);
2455 mm = inhibit_mode_from_string(mode);
2457 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid mode specification %s", mode);
2459 /* Delay is only supported for shutdown/sleep */
2460 if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP)))
2461 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Delay inhibitors only supported for shutdown and sleep");
2463 /* Don't allow taking delay locks while we are already
2464 * executing the operation. We shouldn't create the impression
2465 * that the lock was successful if the machine is about to go
2466 * down/suspend any moment. */
2467 if (m->action_what & w)
2468 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "The operation inhibition has been requested for is already running");
2470 r = bus_verify_polkit_async(
2473 w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") :
2474 w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") :
2475 w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" :
2476 w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" :
2477 w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" :
2478 w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" :
2479 "org.freedesktop.login1.inhibit-handle-lid-switch",
2483 &m->polkit_registry,
2488 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2490 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID|SD_BUS_CREDS_PID, &creds);
2494 r = sd_bus_creds_get_euid(creds, &uid);
2498 r = sd_bus_creds_get_pid(creds, &pid);
2505 if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0)
2508 } while (hashmap_get(m->inhibitors, id));
2510 r = manager_add_inhibitor(m, id, &i);
2518 i->why = strdup(why);
2519 i->who = strdup(who);
2521 if (!i->why || !i->who) {
2526 fifo_fd = inhibitor_create_fifo(i);
2534 return sd_bus_reply_method_return(message, "h", fifo_fd);
2543 const sd_bus_vtable manager_vtable[] = {
2544 SD_BUS_VTABLE_START(0),
2546 SD_BUS_WRITABLE_PROPERTY("EnableWallMessages", "b", NULL, NULL, offsetof(Manager, enable_wall_messages), 0),
2547 SD_BUS_WRITABLE_PROPERTY("WallMessage", "s", NULL, NULL, offsetof(Manager, wall_message), 0),
2549 // SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), SD_BUS_VTABLE_PROPERTY_CONST),
2550 SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), SD_BUS_VTABLE_PROPERTY_CONST),
2551 SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), SD_BUS_VTABLE_PROPERTY_CONST),
2552 SD_BUS_PROPERTY("KillUserProcesses", "b", NULL, offsetof(Manager, kill_user_processes), SD_BUS_VTABLE_PROPERTY_CONST),
2553 SD_BUS_PROPERTY("RebootToFirmwareSetup", "b", property_get_reboot_to_firmware_setup, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2554 SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2555 SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2556 SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2557 SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2558 SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2559 SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL, offsetof(Manager, inhibit_delay_max), SD_BUS_VTABLE_PROPERTY_CONST),
2560 SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action, offsetof(Manager, handle_power_key), SD_BUS_VTABLE_PROPERTY_CONST),
2561 SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action, offsetof(Manager, handle_suspend_key), SD_BUS_VTABLE_PROPERTY_CONST),
2562 SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action, offsetof(Manager, handle_hibernate_key), SD_BUS_VTABLE_PROPERTY_CONST),
2563 SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch), SD_BUS_VTABLE_PROPERTY_CONST),
2564 SD_BUS_PROPERTY("HandleLidSwitchDocked", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_docked), SD_BUS_VTABLE_PROPERTY_CONST),
2565 SD_BUS_PROPERTY("HoldoffTimeoutUSec", "t", NULL, offsetof(Manager, holdoff_timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2566 SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action, offsetof(Manager, idle_action), SD_BUS_VTABLE_PROPERTY_CONST),
2567 SD_BUS_PROPERTY("IdleActionUSec", "t", NULL, offsetof(Manager, idle_action_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2568 SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing, 0, 0),
2569 SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing, 0, 0),
2570 SD_BUS_PROPERTY("ScheduledShutdown", "(st)", property_get_scheduled_shutdown, 0, 0),
2571 SD_BUS_PROPERTY("Docked", "b", property_get_docked, 0, 0),
2573 SD_BUS_METHOD("GetSession", "s", "o", method_get_session, SD_BUS_VTABLE_UNPRIVILEGED),
2574 SD_BUS_METHOD("GetSessionByPID", "u", "o", method_get_session_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
2575 SD_BUS_METHOD("GetUser", "u", "o", method_get_user, SD_BUS_VTABLE_UNPRIVILEGED),
2576 SD_BUS_METHOD("GetUserByPID", "u", "o", method_get_user_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
2577 SD_BUS_METHOD("GetSeat", "s", "o", method_get_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2578 SD_BUS_METHOD("ListSessions", NULL, "a(susso)", method_list_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2579 SD_BUS_METHOD("ListUsers", NULL, "a(uso)", method_list_users, SD_BUS_VTABLE_UNPRIVILEGED),
2580 SD_BUS_METHOD("ListSeats", NULL, "a(so)", method_list_seats, SD_BUS_VTABLE_UNPRIVILEGED),
2581 SD_BUS_METHOD("ListInhibitors", NULL, "a(ssssuu)", method_list_inhibitors, SD_BUS_VTABLE_UNPRIVILEGED),
2582 SD_BUS_METHOD("CreateSession", "uusssssussbssa(sv)", "soshusub", method_create_session, 0),
2583 SD_BUS_METHOD("ReleaseSession", "s", NULL, method_release_session, 0),
2584 SD_BUS_METHOD("ActivateSession", "s", NULL, method_activate_session, SD_BUS_VTABLE_UNPRIVILEGED),
2585 SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL, method_activate_session_on_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2586 SD_BUS_METHOD("LockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED),
2587 SD_BUS_METHOD("UnlockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED),
2588 SD_BUS_METHOD("LockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2589 SD_BUS_METHOD("UnlockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2590 SD_BUS_METHOD("KillSession", "ssi", NULL, method_kill_session, SD_BUS_VTABLE_UNPRIVILEGED),
2591 SD_BUS_METHOD("KillUser", "ui", NULL, method_kill_user, SD_BUS_VTABLE_UNPRIVILEGED),
2592 SD_BUS_METHOD("TerminateSession", "s", NULL, method_terminate_session, SD_BUS_VTABLE_UNPRIVILEGED),
2593 SD_BUS_METHOD("TerminateUser", "u", NULL, method_terminate_user, SD_BUS_VTABLE_UNPRIVILEGED),
2594 SD_BUS_METHOD("TerminateSeat", "s", NULL, method_terminate_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2595 SD_BUS_METHOD("SetUserLinger", "ubb", NULL, method_set_user_linger, SD_BUS_VTABLE_UNPRIVILEGED),
2596 SD_BUS_METHOD("AttachDevice", "ssb", NULL, method_attach_device, SD_BUS_VTABLE_UNPRIVILEGED),
2597 SD_BUS_METHOD("FlushDevices", "b", NULL, method_flush_devices, SD_BUS_VTABLE_UNPRIVILEGED),
2598 SD_BUS_METHOD("PowerOff", "b", NULL, method_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
2599 SD_BUS_METHOD("Reboot", "b", NULL, method_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
2600 SD_BUS_METHOD("Suspend", "b", NULL, method_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
2601 SD_BUS_METHOD("Hibernate", "b", NULL, method_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
2602 SD_BUS_METHOD("HybridSleep", "b", NULL, method_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
2603 SD_BUS_METHOD("CanPowerOff", NULL, "s", method_can_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
2604 SD_BUS_METHOD("CanReboot", NULL, "s", method_can_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
2605 SD_BUS_METHOD("CanSuspend", NULL, "s", method_can_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
2606 SD_BUS_METHOD("CanHibernate", NULL, "s", method_can_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
2607 SD_BUS_METHOD("CanHybridSleep", NULL, "s", method_can_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
2608 SD_BUS_METHOD("ScheduleShutdown", "st", NULL, method_schedule_shutdown, SD_BUS_VTABLE_UNPRIVILEGED),
2609 SD_BUS_METHOD("CancelScheduledShutdown", NULL, "b", method_cancel_scheduled_shutdown, SD_BUS_VTABLE_UNPRIVILEGED),
2610 SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit, SD_BUS_VTABLE_UNPRIVILEGED),
2611 SD_BUS_METHOD("CanRebootToFirmwareSetup", NULL, "s", method_can_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED),
2612 SD_BUS_METHOD("SetRebootToFirmwareSetup", "b", NULL, method_set_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED),
2613 SD_BUS_METHOD("SetWallMessage", "sb", NULL, method_set_wall_message, SD_BUS_VTABLE_UNPRIVILEGED),
2615 SD_BUS_SIGNAL("SessionNew", "so", 0),
2616 SD_BUS_SIGNAL("SessionRemoved", "so", 0),
2617 SD_BUS_SIGNAL("UserNew", "uo", 0),
2618 SD_BUS_SIGNAL("UserRemoved", "uo", 0),
2619 SD_BUS_SIGNAL("SeatNew", "so", 0),
2620 SD_BUS_SIGNAL("SeatRemoved", "so", 0),
2621 SD_BUS_SIGNAL("PrepareForShutdown", "b", 0),
2622 SD_BUS_SIGNAL("PrepareForSleep", "b", 0),
2627 #if 0 /// UNNEEDED by elogind
2628 static int session_jobs_reply(Session *s, const char *unit, const char *result) {
2637 if (streq(result, "done"))
2638 r = session_send_create_reply(s, NULL);
2640 _cleanup_(sd_bus_error_free) sd_bus_error e = SD_BUS_ERROR_NULL;
2642 sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result);
2643 r = session_send_create_reply(s, &e);
2649 int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2650 const char *path, *result, *unit;
2651 Manager *m = userdata;
2660 r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result);
2662 bus_log_parse_error(r);
2666 if (m->action_job && streq(m->action_job, path)) {
2667 log_info("Operation '%s' finished.", inhibit_what_to_string(m->action_what));
2669 /* Tell people that they now may take a lock again */
2670 send_prepare_for(m, m->action_what, false);
2672 m->action_job = mfree(m->action_job);
2673 m->action_unit = NULL;
2678 session = hashmap_get(m->session_units, unit);
2679 if (session && streq_ptr(path, session->scope_job)) {
2680 session->scope_job = mfree(session->scope_job);
2681 session_jobs_reply(session, unit, result);
2683 session_save(session);
2684 user_save(session->user);
2685 session_add_to_gc_queue(session);
2688 user = hashmap_get(m->user_units, unit);
2690 (streq_ptr(path, user->service_job) ||
2691 streq_ptr(path, user->slice_job))) {
2693 if (streq_ptr(path, user->service_job))
2694 user->service_job = mfree(user->service_job);
2696 if (streq_ptr(path, user->slice_job))
2697 user->slice_job = mfree(user->slice_job);
2699 LIST_FOREACH(sessions_by_user, session, user->sessions)
2700 session_jobs_reply(session, unit, result);
2703 user_add_to_gc_queue(user);
2709 int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2710 const char *path, *unit;
2711 Manager *m = userdata;
2719 r = sd_bus_message_read(message, "so", &unit, &path);
2721 bus_log_parse_error(r);
2725 session = hashmap_get(m->session_units, unit);
2727 session_add_to_gc_queue(session);
2729 user = hashmap_get(m->user_units, unit);
2731 user_add_to_gc_queue(user);
2736 int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2737 _cleanup_free_ char *unit = NULL;
2738 Manager *m = userdata;
2747 path = sd_bus_message_get_path(message);
2751 r = unit_name_from_dbus_path(path, &unit);
2752 if (r == -EINVAL) /* not a unit */
2759 session = hashmap_get(m->session_units, unit);
2761 session_add_to_gc_queue(session);
2763 user = hashmap_get(m->user_units, unit);
2765 user_add_to_gc_queue(user);
2770 int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2771 Manager *m = userdata;
2779 r = sd_bus_message_read(message, "b", &b);
2781 bus_log_parse_error(r);
2788 /* systemd finished reloading, let's recheck all our sessions */
2789 log_debug("System manager has been reloaded, rechecking sessions...");
2791 HASHMAP_FOREACH(session, m->sessions, i)
2792 session_add_to_gc_queue(session);
2798 int manager_send_changed(Manager *manager, const char *property, ...) {
2803 l = strv_from_stdarg_alloca(property);
2805 return sd_bus_emit_properties_changed_strv(
2807 "/org/freedesktop/login1",
2808 "org.freedesktop.login1.Manager",
2812 #if 0 /// UNNEEDED by elogind
2813 static int strdup_job(sd_bus_message *reply, char **job) {
2818 r = sd_bus_message_read(reply, "o", &j);
2830 int manager_start_slice(
2833 const char *description,
2837 sd_bus_error *error,
2840 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
2846 r = sd_bus_message_new_method_call(
2849 "org.freedesktop.systemd1",
2850 "/org/freedesktop/systemd1",
2851 "org.freedesktop.systemd1.Manager",
2852 "StartTransientUnit");
2856 r = sd_bus_message_append(m, "ss", strempty(slice), "fail");
2860 r = sd_bus_message_open_container(m, 'a', "(sv)");
2864 if (!isempty(description)) {
2865 r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
2870 if (!isempty(after)) {
2871 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after);
2876 if (!isempty(after2)) {
2877 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2);
2882 r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", tasks_max);
2886 r = sd_bus_message_close_container(m);
2890 r = sd_bus_message_append(m, "a(sa(sv))", 0);
2894 r = sd_bus_call(manager->bus, m, 0, error, &reply);
2899 return strdup_job(reply, job);
2903 int manager_start_scope(
2908 const char *description,
2912 sd_bus_error *error,
2915 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
2922 r = sd_bus_message_new_method_call(
2925 "org.freedesktop.systemd1",
2926 "/org/freedesktop/systemd1",
2927 "org.freedesktop.systemd1.Manager",
2928 "StartTransientUnit");
2932 r = sd_bus_message_append(m, "ss", strempty(scope), "fail");
2936 r = sd_bus_message_open_container(m, 'a', "(sv)");
2940 if (!isempty(slice)) {
2941 r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice);
2946 if (!isempty(description)) {
2947 r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
2952 if (!isempty(after)) {
2953 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after);
2958 if (!isempty(after2)) {
2959 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2);
2964 /* cgroup empty notification is not available in containers
2965 * currently. To make this less problematic, let's shorten the
2966 * stop timeout for sessions, so that we don't wait
2969 /* Make sure that the session shells are terminated with
2970 * SIGHUP since bash and friends tend to ignore SIGTERM */
2971 r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", true);
2975 r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid);
2979 r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", tasks_max);
2983 r = sd_bus_message_close_container(m);
2987 r = sd_bus_message_append(m, "a(sa(sv))", 0);
2991 r = sd_bus_call(manager->bus, m, 0, error, &reply);
2996 return strdup_job(reply, job);
3000 int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
3001 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3007 r = sd_bus_call_method(
3009 "org.freedesktop.systemd1",
3010 "/org/freedesktop/systemd1",
3011 "org.freedesktop.systemd1.Manager",
3015 "ss", unit, "replace");
3020 return strdup_job(reply, job);
3024 int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
3025 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3031 r = sd_bus_call_method(
3033 "org.freedesktop.systemd1",
3034 "/org/freedesktop/systemd1",
3035 "org.freedesktop.systemd1.Manager",
3039 "ss", unit, "fail");
3041 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
3042 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) {
3047 sd_bus_error_free(error);
3055 return strdup_job(reply, job);
3059 int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error) {
3060 _cleanup_free_ char *path = NULL;
3066 path = unit_dbus_path_from_name(scope);
3070 r = sd_bus_call_method(
3072 "org.freedesktop.systemd1",
3074 "org.freedesktop.systemd1.Scope",
3080 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
3081 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED) ||
3082 sd_bus_error_has_name(error, BUS_ERROR_SCOPE_NOT_RUNNING)) {
3083 sd_bus_error_free(error);
3093 int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) {
3097 return sd_bus_call_method(
3099 "org.freedesktop.systemd1",
3100 "/org/freedesktop/systemd1",
3101 "org.freedesktop.systemd1.Manager",
3105 "ssi", unit, who == KILL_LEADER ? "main" : "all", signo);
3108 int manager_unit_is_active(Manager *manager, const char *unit) {
3109 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3110 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3111 _cleanup_free_ char *path = NULL;
3118 path = unit_dbus_path_from_name(unit);
3122 r = sd_bus_get_property(
3124 "org.freedesktop.systemd1",
3126 "org.freedesktop.systemd1.Unit",
3132 /* systemd might have droppped off momentarily, let's
3133 * not make this an error */
3134 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
3135 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
3138 /* If the unit is already unloaded then it's not
3140 if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) ||
3141 sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED))
3147 r = sd_bus_message_read(reply, "s", &state);
3151 return !streq(state, "inactive") && !streq(state, "failed");
3154 int manager_job_is_active(Manager *manager, const char *path) {
3155 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3156 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3162 r = sd_bus_get_property(
3164 "org.freedesktop.systemd1",
3166 "org.freedesktop.systemd1.Job",
3172 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
3173 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
3176 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT))
3182 /* We don't actually care about the state really. The fact
3183 * that we could read the job state is enough for us */