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 /// Additional includes needed by elogind
54 #include "elogind-dbus.h"
55 //#include "update-utmp.h"
57 int manager_get_session_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Session **ret) {
58 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
67 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_SESSION|SD_BUS_CREDS_AUGMENT, &creds);
71 r = sd_bus_creds_get_session(creds, &name);
76 session = hashmap_get(m->sessions, name);
78 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
84 int manager_get_user_from_creds(Manager *m, sd_bus_message *message, uid_t uid, sd_bus_error *error, User **ret) {
92 if (uid == UID_INVALID) {
93 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
95 /* Note that we get the owner UID of the session, not the actual client UID here! */
96 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds);
100 r = sd_bus_creds_get_owner_uid(creds, &uid);
105 user = hashmap_get(m->users, UID_TO_PTR(uid));
107 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user "UID_FMT" known or logged in", uid);
113 int manager_get_seat_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Seat **ret) {
124 r = manager_get_session_from_creds(m, message, NULL, error, &session);
128 seat = session->seat;
130 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "Session has no seat.");
132 seat = hashmap_get(m->seats, name);
134 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name);
141 static int property_get_idle_hint(
144 const char *interface,
145 const char *property,
146 sd_bus_message *reply,
148 sd_bus_error *error) {
150 Manager *m = userdata;
156 return sd_bus_message_append(reply, "b", manager_get_idle_hint(m, NULL) > 0);
159 static int property_get_idle_since_hint(
162 const char *interface,
163 const char *property,
164 sd_bus_message *reply,
166 sd_bus_error *error) {
168 Manager *m = userdata;
169 dual_timestamp t = DUAL_TIMESTAMP_NULL;
175 manager_get_idle_hint(m, &t);
177 return sd_bus_message_append(reply, "t", streq(property, "IdleSinceHint") ? t.realtime : t.monotonic);
180 static int property_get_inhibited(
183 const char *interface,
184 const char *property,
185 sd_bus_message *reply,
187 sd_bus_error *error) {
189 Manager *m = userdata;
196 w = manager_inhibit_what(m, streq(property, "BlockInhibited") ? INHIBIT_BLOCK : INHIBIT_DELAY);
198 return sd_bus_message_append(reply, "s", inhibit_what_to_string(w));
201 static int property_get_preparing(
204 const char *interface,
205 const char *property,
206 sd_bus_message *reply,
208 sd_bus_error *error) {
210 Manager *m = userdata;
217 if (streq(property, "PreparingForShutdown"))
218 b = !!(m->action_what & INHIBIT_SHUTDOWN);
220 b = !!(m->action_what & INHIBIT_SLEEP);
222 return sd_bus_message_append(reply, "b", b);
225 static int property_get_scheduled_shutdown(
228 const char *interface,
229 const char *property,
230 sd_bus_message *reply,
232 sd_bus_error *error) {
234 Manager *m = userdata;
241 r = sd_bus_message_open_container(reply, 'r', "st");
245 r = sd_bus_message_append(reply, "st", m->scheduled_shutdown_type, m->scheduled_shutdown_timeout);
249 return sd_bus_message_close_container(reply);
252 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_handle_action, handle_action, HandleAction);
254 static int property_get_docked(
257 const char *interface,
258 const char *property,
259 sd_bus_message *reply,
261 sd_bus_error *error) {
263 Manager *m = userdata;
269 return sd_bus_message_append(reply, "b", manager_is_docked_or_external_displays(m));
272 static int property_get_current_sessions(
275 const char *interface,
276 const char *property,
277 sd_bus_message *reply,
279 sd_bus_error *error) {
281 Manager *m = userdata;
287 return sd_bus_message_append(reply, "t", (uint64_t) hashmap_size(m->sessions));
290 static int property_get_current_inhibitors(
293 const char *interface,
294 const char *property,
295 sd_bus_message *reply,
297 sd_bus_error *error) {
299 Manager *m = userdata;
305 return sd_bus_message_append(reply, "t", (uint64_t) hashmap_size(m->inhibitors));
308 static int method_get_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
309 _cleanup_free_ char *p = NULL;
310 Manager *m = userdata;
318 r = sd_bus_message_read(message, "s", &name);
322 r = manager_get_session_from_creds(m, message, name, error, &session);
326 p = session_bus_path(session);
330 return sd_bus_reply_method_return(message, "o", p);
333 static int method_get_session_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) {
334 _cleanup_free_ char *p = NULL;
335 Session *session = NULL;
336 Manager *m = userdata;
343 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
345 r = sd_bus_message_read(message, "u", &pid);
352 r = manager_get_session_from_creds(m, message, NULL, error, &session);
356 r = manager_get_session_by_pid(m, pid, &session);
361 return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, "PID "PID_FMT" does not belong to any known session", pid);
364 p = session_bus_path(session);
368 return sd_bus_reply_method_return(message, "o", p);
371 static int method_get_user(sd_bus_message *message, void *userdata, sd_bus_error *error) {
372 _cleanup_free_ char *p = NULL;
373 Manager *m = userdata;
381 r = sd_bus_message_read(message, "u", &uid);
385 r = manager_get_user_from_creds(m, message, uid, error, &user);
389 p = user_bus_path(user);
393 return sd_bus_reply_method_return(message, "o", p);
396 static int method_get_user_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) {
397 _cleanup_free_ char *p = NULL;
398 Manager *m = userdata;
406 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
408 r = sd_bus_message_read(message, "u", &pid);
415 r = manager_get_user_from_creds(m, message, UID_INVALID, error, &user);
419 r = manager_get_user_by_pid(m, pid, &user);
423 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);
426 p = user_bus_path(user);
430 return sd_bus_reply_method_return(message, "o", p);
433 static int method_get_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) {
434 _cleanup_free_ char *p = NULL;
435 Manager *m = userdata;
443 r = sd_bus_message_read(message, "s", &name);
447 r = manager_get_seat_from_creds(m, message, name, error, &seat);
451 p = seat_bus_path(seat);
455 return sd_bus_reply_method_return(message, "o", p);
458 static int method_list_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) {
459 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
460 Manager *m = userdata;
468 r = sd_bus_message_new_method_return(message, &reply);
472 r = sd_bus_message_open_container(reply, 'a', "(susso)");
476 HASHMAP_FOREACH(session, m->sessions, i) {
477 _cleanup_free_ char *p = NULL;
479 p = session_bus_path(session);
483 r = sd_bus_message_append(reply, "(susso)",
485 (uint32_t) session->user->uid,
487 session->seat ? session->seat->id : "",
493 r = sd_bus_message_close_container(reply);
497 return sd_bus_send(NULL, reply, NULL);
500 static int method_list_users(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', "(uso)");
518 HASHMAP_FOREACH(user, m->users, i) {
519 _cleanup_free_ char *p = NULL;
521 p = user_bus_path(user);
525 r = sd_bus_message_append(reply, "(uso)",
526 (uint32_t) user->uid,
533 r = sd_bus_message_close_container(reply);
537 return sd_bus_send(NULL, reply, NULL);
540 static int method_list_seats(sd_bus_message *message, void *userdata, sd_bus_error *error) {
541 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
542 Manager *m = userdata;
550 r = sd_bus_message_new_method_return(message, &reply);
554 r = sd_bus_message_open_container(reply, 'a', "(so)");
558 HASHMAP_FOREACH(seat, m->seats, i) {
559 _cleanup_free_ char *p = NULL;
561 p = seat_bus_path(seat);
565 r = sd_bus_message_append(reply, "(so)", seat->id, p);
570 r = sd_bus_message_close_container(reply);
574 return sd_bus_send(NULL, reply, NULL);
577 static int method_list_inhibitors(sd_bus_message *message, void *userdata, sd_bus_error *error) {
578 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
579 Manager *m = userdata;
580 Inhibitor *inhibitor;
587 r = sd_bus_message_new_method_return(message, &reply);
591 r = sd_bus_message_open_container(reply, 'a', "(ssssuu)");
595 HASHMAP_FOREACH(inhibitor, m->inhibitors, i) {
597 r = sd_bus_message_append(reply, "(ssssuu)",
598 strempty(inhibit_what_to_string(inhibitor->what)),
599 strempty(inhibitor->who),
600 strempty(inhibitor->why),
601 strempty(inhibit_mode_to_string(inhibitor->mode)),
602 (uint32_t) inhibitor->uid,
603 (uint32_t) inhibitor->pid);
608 r = sd_bus_message_close_container(reply);
612 return sd_bus_send(NULL, reply, NULL);
615 static int method_create_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
616 const char *service, *type, *class, *cseat, *tty, *display, *remote_user, *remote_host, *desktop;
617 uint32_t audit_id = 0;
618 _cleanup_free_ char *id = NULL;
619 Session *session = NULL;
620 Manager *m = userdata;
634 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
635 assert_cc(sizeof(uid_t) == sizeof(uint32_t));
637 r = sd_bus_message_read(message, "uusssssussbss", &uid, &leader, &service, &type, &class, &desktop, &cseat, &vtnr, &tty, &display, &remote, &remote_user, &remote_host);
641 if (!uid_is_valid(uid))
642 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid UID");
643 if (leader < 0 || leader == 1)
644 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID");
647 t = _SESSION_TYPE_INVALID;
649 t = session_type_from_string(type);
651 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session type %s", type);
655 c = _SESSION_CLASS_INVALID;
657 c = session_class_from_string(class);
659 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session class %s", class);
662 if (isempty(desktop))
665 if (!string_is_safe(desktop))
666 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid desktop string %s", desktop);
672 seat = hashmap_get(m->seats, cseat);
674 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", cseat);
677 if (tty_is_vc(tty)) {
682 else if (seat != m->seat0)
683 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);
685 v = vtnr_from_tty(tty);
687 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Cannot determine VT number from virtual console TTY %s", tty);
691 else if (vtnr != (uint32_t) v)
692 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Specified TTY and VT number do not match");
694 } else if (tty_is_console(tty)) {
698 else if (seat != m->seat0)
699 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but seat is not seat0");
702 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but VT number is not 0");
706 if (seat_has_vts(seat)) {
707 if (!vtnr || vtnr > 63)
708 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "VT number out of range");
711 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat has no VTs but VT number not 0");
715 r = sd_bus_message_enter_container(message, 'a', "(sv)");
719 if (t == _SESSION_TYPE_INVALID) {
720 if (!isempty(display))
722 else if (!isempty(tty))
725 t = SESSION_UNSPECIFIED;
728 if (c == _SESSION_CLASS_INVALID) {
729 if (t == SESSION_UNSPECIFIED)
730 c = SESSION_BACKGROUND;
736 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
738 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
742 r = sd_bus_creds_get_pid(creds, (pid_t*) &leader);
747 r = manager_get_session_by_pid(m, leader, NULL);
749 return sd_bus_error_setf(error, BUS_ERROR_SESSION_BUSY, "Already running in a session");
752 * Old gdm and lightdm start the user-session on the same VT as
753 * the greeter session. But they destroy the greeter session
754 * after the user-session and want the user-session to take
755 * over the VT. We need to support this for
756 * backwards-compatibility, so make sure we allow new sessions
757 * on a VT that a greeter is running on. Furthermore, to allow
758 * re-logins, we have to allow a greeter to take over a used VT for
759 * the exact same reasons.
761 if (c != SESSION_GREETER &&
763 vtnr < m->seat0->position_count &&
764 m->seat0->positions[vtnr] &&
765 m->seat0->positions[vtnr]->class != SESSION_GREETER)
766 return sd_bus_error_setf(error, BUS_ERROR_SESSION_BUSY, "Already occupied by a session");
768 if (hashmap_size(m->sessions) >= m->sessions_max)
769 return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Maximum number of sessions (%" PRIu64 ") reached, refusing further sessions.", m->sessions_max);
771 audit_session_from_pid(leader, &audit_id);
773 /* Keep our session IDs and the audit session IDs in sync */
775 if (asprintf(&id, "%"PRIu32, audit_id) < 0)
778 /* Wut? There's already a session by this name and we
779 * didn't find it above? Weird, then let's not trust
780 * the audit data and let's better register a new
782 if (hashmap_get(m->sessions, id)) {
783 log_warning("Existing logind session ID %s used by new audit session, ignoring", id);
794 if (asprintf(&id, "c%lu", ++m->session_counter) < 0)
797 } while (hashmap_get(m->sessions, id));
800 r = manager_add_user_by_uid(m, uid, &user);
804 r = manager_add_session(m, id, &session);
808 session_set_user(session, user);
810 session->leader = leader;
811 session->audit_id = audit_id;
814 session->remote = remote;
815 session->vtnr = vtnr;
818 session->tty = strdup(tty);
825 if (!isempty(display)) {
826 session->display = strdup(display);
827 if (!session->display) {
833 if (!isempty(remote_user)) {
834 session->remote_user = strdup(remote_user);
835 if (!session->remote_user) {
841 if (!isempty(remote_host)) {
842 session->remote_host = strdup(remote_host);
843 if (!session->remote_host) {
849 if (!isempty(service)) {
850 session->service = strdup(service);
851 if (!session->service) {
857 if (!isempty(desktop)) {
858 session->desktop = strdup(desktop);
859 if (!session->desktop) {
866 r = seat_attach_session(seat, session);
871 r = session_start(session);
875 session->create_message = sd_bus_message_ref(message);
877 #if 0 /// UNNEEDED by elogind
878 /* Now, let's wait until the slice unit and stuff got
879 * created. We send the reply back from
880 * session_send_create_reply(). */
882 /* We reply directly. */
884 r = session_send_create_reply(session, NULL);
893 session_add_to_gc_queue(session);
896 user_add_to_gc_queue(user);
901 static int method_release_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
902 Manager *m = userdata;
910 r = sd_bus_message_read(message, "s", &name);
914 r = manager_get_session_from_creds(m, message, name, error, &session);
918 r = session_release(session);
922 #if 1 /// elogind must queue this session
923 session_add_to_gc_queue(session);
925 return sd_bus_reply_method_return(message, NULL);
928 static int method_activate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
929 Manager *m = userdata;
937 r = sd_bus_message_read(message, "s", &name);
941 r = manager_get_session_from_creds(m, message, name, error, &session);
945 return bus_session_method_activate(message, session, error);
948 static int method_activate_session_on_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) {
949 const char *session_name, *seat_name;
950 Manager *m = userdata;
958 /* Same as ActivateSession() but refuses to work if
959 * the seat doesn't match */
961 r = sd_bus_message_read(message, "ss", &session_name, &seat_name);
965 r = manager_get_session_from_creds(m, message, session_name, error, &session);
969 r = manager_get_seat_from_creds(m, message, seat_name, error, &seat);
973 if (session->seat != seat)
974 return sd_bus_error_setf(error, BUS_ERROR_SESSION_NOT_ON_SEAT, "Session %s not on seat %s", session_name, seat_name);
976 r = session_activate(session);
980 return sd_bus_reply_method_return(message, NULL);
983 static int method_lock_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
984 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_lock(message, session, error);
1003 static int method_lock_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1004 Manager *m = userdata;
1010 r = bus_verify_polkit_async(
1013 "org.freedesktop.login1.lock-sessions",
1017 &m->polkit_registry,
1022 return 1; /* Will call us back */
1024 r = session_send_lock_all(m, streq(sd_bus_message_get_member(message), "LockSessions"));
1028 return sd_bus_reply_method_return(message, NULL);
1031 static int method_kill_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1033 Manager *m = userdata;
1040 r = sd_bus_message_read(message, "s", &name);
1044 r = manager_get_session_from_creds(m, message, name, error, &session);
1048 return bus_session_method_kill(message, session, error);
1051 static int method_kill_user(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1052 Manager *m = userdata;
1060 r = sd_bus_message_read(message, "u", &uid);
1064 r = manager_get_user_from_creds(m, message, uid, error, &user);
1068 return bus_user_method_kill(message, user, error);
1071 static int method_terminate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1072 Manager *m = userdata;
1080 r = sd_bus_message_read(message, "s", &name);
1084 r = manager_get_session_from_creds(m, message, name, error, &session);
1088 return bus_session_method_terminate(message, session, error);
1091 static int method_terminate_user(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1092 Manager *m = userdata;
1100 r = sd_bus_message_read(message, "u", &uid);
1104 r = manager_get_user_from_creds(m, message, uid, error, &user);
1108 return bus_user_method_terminate(message, user, error);
1111 static int method_terminate_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1112 Manager *m = userdata;
1120 r = sd_bus_message_read(message, "s", &name);
1124 r = manager_get_seat_from_creds(m, message, name, error, &seat);
1128 return bus_seat_method_terminate(message, seat, error);
1131 static int method_set_user_linger(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1132 _cleanup_free_ char *cc = NULL;
1133 Manager *m = userdata;
1134 int r, b, interactive;
1143 r = sd_bus_message_read(message, "ubb", &uid, &b, &interactive);
1147 if (uid == UID_INVALID) {
1148 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
1150 /* Note that we get the owner UID of the session, not the actual client UID here! */
1151 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds);
1155 r = sd_bus_creds_get_owner_uid(creds, &uid);
1161 } else if (!uid_is_valid(uid))
1167 return errno > 0 ? -errno : -ENOENT;
1169 r = bus_verify_polkit_async(
1172 self ? "org.freedesktop.login1.set-self-linger" : "org.freedesktop.login1.set-user-linger",
1176 &m->polkit_registry,
1181 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1183 mkdir_p_label("/var/lib/systemd", 0755);
1185 r = mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0);
1189 cc = cescape(pw->pw_name);
1193 path = strjoina("/var/lib/systemd/linger/", cc);
1201 if (manager_add_user_by_uid(m, uid, &u) >= 0)
1208 if (r < 0 && errno != ENOENT)
1211 u = hashmap_get(m->users, UID_TO_PTR(uid));
1213 user_add_to_gc_queue(u);
1216 return sd_bus_reply_method_return(message, NULL);
1219 static int trigger_device(Manager *m, struct udev_device *d) {
1220 _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
1221 struct udev_list_entry *first, *item;
1226 e = udev_enumerate_new(m->udev);
1231 r = udev_enumerate_add_match_parent(e, d);
1236 r = udev_enumerate_scan_devices(e);
1240 first = udev_enumerate_get_list_entry(e);
1241 udev_list_entry_foreach(item, first) {
1242 _cleanup_free_ char *t = NULL;
1245 p = udev_list_entry_get_name(item);
1247 t = strappend(p, "/uevent");
1251 write_string_file(t, "change", WRITE_STRING_FILE_CREATE);
1257 static int attach_device(Manager *m, const char *seat, const char *sysfs) {
1258 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
1259 _cleanup_free_ char *rule = NULL, *file = NULL;
1260 const char *id_for_seat;
1267 d = udev_device_new_from_syspath(m->udev, sysfs);
1271 if (!udev_device_has_tag(d, "seat"))
1274 id_for_seat = udev_device_get_property_value(d, "ID_FOR_SEAT");
1278 if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0)
1281 if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0)
1284 mkdir_p_label("/etc/udev/rules.d", 0755);
1285 r = write_string_file_atomic_label(file, rule);
1289 return trigger_device(m, d);
1292 static int flush_devices(Manager *m) {
1293 _cleanup_closedir_ DIR *d;
1297 d = opendir("/etc/udev/rules.d");
1299 if (errno != ENOENT)
1300 log_warning_errno(errno, "Failed to open /etc/udev/rules.d: %m");
1304 while ((de = readdir(d))) {
1306 if (!dirent_is_file(de))
1309 if (!startswith(de->d_name, "72-seat-"))
1312 if (!endswith(de->d_name, ".rules"))
1315 if (unlinkat(dirfd(d), de->d_name, 0) < 0)
1316 log_warning_errno(errno, "Failed to unlink %s: %m", de->d_name);
1320 return trigger_device(m, NULL);
1323 static int method_attach_device(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1324 const char *sysfs, *seat;
1325 Manager *m = userdata;
1331 r = sd_bus_message_read(message, "ssb", &seat, &sysfs, &interactive);
1335 if (!path_startswith(sysfs, "/sys"))
1336 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not in /sys", sysfs);
1338 if (!seat_name_is_valid(seat))
1339 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat %s is not valid", seat);
1341 r = bus_verify_polkit_async(
1344 "org.freedesktop.login1.attach-device",
1348 &m->polkit_registry,
1353 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1355 r = attach_device(m, seat, sysfs);
1359 return sd_bus_reply_method_return(message, NULL);
1362 static int method_flush_devices(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1363 Manager *m = userdata;
1369 r = sd_bus_message_read(message, "b", &interactive);
1373 r = bus_verify_polkit_async(
1376 "org.freedesktop.login1.flush-devices",
1380 &m->polkit_registry,
1385 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1387 r = flush_devices(m);
1391 return sd_bus_reply_method_return(message, NULL);
1394 #if 0 /// elogind has its own variant in elogind-dbus.c
1395 static int have_multiple_sessions(
1404 /* Check for other users' sessions. Greeter sessions do not
1405 * count, and non-login sessions do not count either. */
1406 HASHMAP_FOREACH(session, m->sessions, i)
1407 if (session->class == SESSION_USER &&
1408 session->user->uid != uid)
1414 static int bus_manager_log_shutdown(
1417 const char *unit_name) {
1424 if (w != INHIBIT_SHUTDOWN)
1427 if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) {
1428 p = "MESSAGE=System is powering down";
1429 q = "SHUTDOWN=power-off";
1430 } else if (streq(unit_name, SPECIAL_HALT_TARGET)) {
1431 p = "MESSAGE=System is halting";
1432 q = "SHUTDOWN=halt";
1433 } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) {
1434 p = "MESSAGE=System is rebooting";
1435 q = "SHUTDOWN=reboot";
1436 } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) {
1437 p = "MESSAGE=System is rebooting with kexec";
1438 q = "SHUTDOWN=kexec";
1440 p = "MESSAGE=System is shutting down";
1444 if (isempty(m->wall_message))
1445 p = strjoina(p, ".");
1447 p = strjoina(p, " (", m->wall_message, ").");
1449 return log_struct(LOG_NOTICE,
1450 LOG_MESSAGE_ID(SD_MESSAGE_SHUTDOWN),
1457 static int lid_switch_ignore_handler(sd_event_source *e, uint64_t usec, void *userdata) {
1458 Manager *m = userdata;
1463 m->lid_switch_ignore_event_source = sd_event_source_unref(m->lid_switch_ignore_event_source);
1467 int manager_set_lid_switch_ignore(Manager *m, usec_t until) {
1472 if (until <= now(CLOCK_MONOTONIC))
1475 /* We want to ignore the lid switch for a while after each
1476 * suspend, and after boot-up. Hence let's install a timer for
1477 * this. As long as the event source exists we ignore the lid
1480 if (m->lid_switch_ignore_event_source) {
1483 r = sd_event_source_get_time(m->lid_switch_ignore_event_source, &u);
1490 r = sd_event_source_set_time(m->lid_switch_ignore_event_source, until);
1492 r = sd_event_add_time(
1494 &m->lid_switch_ignore_event_source,
1497 lid_switch_ignore_handler, m);
1502 static void reset_scheduled_shutdown(Manager *m) {
1503 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
1504 m->wall_message_timeout_source = sd_event_source_unref(m->wall_message_timeout_source);
1505 m->nologin_timeout_source = sd_event_source_unref(m->nologin_timeout_source);
1506 m->scheduled_shutdown_type = mfree(m->scheduled_shutdown_type);
1507 m->scheduled_shutdown_timeout = 0;
1508 m->shutdown_dry_run = false;
1510 if (m->unlink_nologin) {
1511 (void) unlink("/run/nologin");
1512 m->unlink_nologin = false;
1516 #if 0 /// elogind has its own variant in elogind-dbus.c
1517 static int execute_shutdown_or_sleep(
1520 const char *unit_name,
1521 sd_bus_error *error) {
1523 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1530 assert(w < _INHIBIT_WHAT_MAX);
1533 bus_manager_log_shutdown(m, w, unit_name);
1535 if (m->shutdown_dry_run) {
1536 log_info("Running in dry run, suppressing action.");
1537 reset_scheduled_shutdown(m);
1539 r = sd_bus_call_method(
1541 "org.freedesktop.systemd1",
1542 "/org/freedesktop/systemd1",
1543 "org.freedesktop.systemd1.Manager",
1547 "ss", unit_name, "replace-irreversibly");
1551 r = sd_bus_message_read(reply, "o", &p);
1560 m->action_unit = unit_name;
1561 free(m->action_job);
1565 /* Make sure the lid switch is ignored for a while */
1566 manager_set_lid_switch_ignore(m, now(CLOCK_MONOTONIC) + m->holdoff_timeout_usec);
1571 int manager_dispatch_delayed(Manager *manager, bool timeout) {
1573 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1574 Inhibitor *offending = NULL;
1579 if (manager->action_what == 0 || manager->action_job)
1582 if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0, &offending)) {
1583 _cleanup_free_ char *comm = NULL, *u = NULL;
1588 (void) get_process_comm(offending->pid, &comm);
1589 u = uid_to_name(offending->uid);
1591 log_notice("Delay lock is active (UID "UID_FMT"/%s, PID "PID_FMT"/%s) but inhibitor timeout is reached.",
1592 offending->uid, strna(u),
1593 offending->pid, strna(comm));
1596 /* Actually do the operation */
1597 r = execute_shutdown_or_sleep(manager, manager->action_what, manager->action_unit, &error);
1599 log_warning("Failed to send delayed message: %s", bus_error_message(&error, r));
1601 manager->action_unit = NULL;
1602 manager->action_what = 0;
1609 static int manager_inhibit_timeout_handler(
1614 Manager *manager = userdata;
1618 assert(manager->inhibit_timeout_source == s);
1620 r = manager_dispatch_delayed(manager, true);
1621 return (r < 0) ? r : 0;
1624 static int delay_shutdown_or_sleep(
1627 const char *unit_name) {
1634 assert(w < _INHIBIT_WHAT_MAX);
1637 timeout_val = now(CLOCK_MONOTONIC) + m->inhibit_delay_max;
1639 if (m->inhibit_timeout_source) {
1640 r = sd_event_source_set_time(m->inhibit_timeout_source, timeout_val);
1642 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
1644 r = sd_event_source_set_enabled(m->inhibit_timeout_source, SD_EVENT_ONESHOT);
1646 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
1648 r = sd_event_add_time(m->event, &m->inhibit_timeout_source, CLOCK_MONOTONIC,
1649 timeout_val, 0, manager_inhibit_timeout_handler, m);
1654 m->action_unit = unit_name;
1660 static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) {
1662 static const char * const signal_name[_INHIBIT_WHAT_MAX] = {
1663 [INHIBIT_SHUTDOWN] = "PrepareForShutdown",
1664 [INHIBIT_SLEEP] = "PrepareForSleep"
1667 int active = _active;
1671 assert(w < _INHIBIT_WHAT_MAX);
1672 assert(signal_name[w]);
1674 return sd_bus_emit_signal(m->bus,
1675 "/org/freedesktop/login1",
1676 "org.freedesktop.login1.Manager",
1682 int bus_manager_shutdown_or_sleep_now_or_later(
1684 const char *unit_name,
1686 sd_bus_error *error) {
1694 assert(w <= _INHIBIT_WHAT_MAX);
1695 assert(!m->action_job);
1697 /* Tell everybody to prepare for shutdown/sleep */
1698 send_prepare_for(m, w, true);
1701 m->inhibit_delay_max > 0 &&
1702 manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0, NULL);
1704 log_debug_elogind("%s called for %s (%sdelayed)", __FUNCTION__,
1705 handle_action_to_string(action),
1706 delayed ? "" : "NOT ");
1708 /* Shutdown is delayed, keep in mind what we
1709 * want to do, and start a timeout */
1710 r = delay_shutdown_or_sleep(m, w, unit_name);
1712 /* Shutdown is not delayed, execute it
1714 r = execute_shutdown_or_sleep(m, w, unit_name, error);
1719 static int verify_shutdown_creds(
1721 sd_bus_message *message,
1725 const char *action_multiple_sessions,
1726 const char *action_ignore_inhibit,
1727 sd_bus_error *error) {
1729 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
1730 bool multiple_sessions, blocked;
1737 assert(w <= _INHIBIT_WHAT_MAX);
1739 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds);
1743 r = sd_bus_creds_get_euid(creds, &uid);
1747 r = have_multiple_sessions(m, uid);
1751 multiple_sessions = r > 0;
1752 blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
1754 if (multiple_sessions && action_multiple_sessions) {
1755 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_multiple_sessions, 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 */
1762 if (blocked && action_ignore_inhibit) {
1763 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1767 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1770 if (!multiple_sessions && !blocked && action) {
1771 r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action, NULL, interactive, UID_INVALID, &m->polkit_registry, error);
1775 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1781 static int method_do_shutdown_or_sleep(
1783 sd_bus_message *message,
1784 const char *unit_name,
1787 const char *action_multiple_sessions,
1788 const char *action_ignore_inhibit,
1789 const char *sleep_verb,
1790 sd_bus_error *error) {
1798 assert(w <= _INHIBIT_WHAT_MAX);
1800 r = sd_bus_message_read(message, "b", &interactive);
1804 log_debug_elogind("%s called with action '%s', sleep '%s' (%sinteractive)",
1805 __FUNCTION__, action, sleep_verb,
1806 interactive ? "" : "NOT ");
1807 /* Don't allow multiple jobs being executed at the same time */
1809 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "There's already a shutdown or sleep operation in progress");
1812 r = can_sleep(sleep_verb);
1817 return sd_bus_error_setf(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, "Sleep verb not supported");
1820 r = verify_shutdown_creds(m, message, w, interactive, action, action_multiple_sessions,
1821 action_ignore_inhibit, error);
1822 log_debug_elogind("verify_shutdown_creds() returned %d", r);
1826 r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, error);
1830 return sd_bus_reply_method_return(message, NULL);
1833 static int method_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1834 Manager *m = userdata;
1836 log_debug_elogind("%s called", __FUNCTION__);
1837 return method_do_shutdown_or_sleep(
1839 SPECIAL_POWEROFF_TARGET,
1841 "org.freedesktop.login1.power-off",
1842 "org.freedesktop.login1.power-off-multiple-sessions",
1843 "org.freedesktop.login1.power-off-ignore-inhibit",
1848 static int method_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1849 Manager *m = userdata;
1851 log_debug_elogind("%s called", __FUNCTION__);
1852 return method_do_shutdown_or_sleep(
1854 SPECIAL_REBOOT_TARGET,
1856 "org.freedesktop.login1.reboot",
1857 "org.freedesktop.login1.reboot-multiple-sessions",
1858 "org.freedesktop.login1.reboot-ignore-inhibit",
1863 static int method_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1864 Manager *m = userdata;
1866 log_debug_elogind("%s called", __FUNCTION__);
1867 return method_do_shutdown_or_sleep(
1869 SPECIAL_SUSPEND_TARGET,
1871 "org.freedesktop.login1.suspend",
1872 "org.freedesktop.login1.suspend-multiple-sessions",
1873 "org.freedesktop.login1.suspend-ignore-inhibit",
1879 static int nologin_timeout_handler(
1884 Manager *m = userdata;
1887 log_info("Creating /run/nologin, blocking further logins...");
1889 r = write_string_file_atomic_label("/run/nologin", "System is going down.");
1891 log_error_errno(r, "Failed to create /run/nologin: %m");
1893 m->unlink_nologin = true;
1898 static int update_schedule_file(Manager *m) {
1899 _cleanup_free_ char *temp_path = NULL;
1900 _cleanup_fclose_ FILE *f = NULL;
1905 r = mkdir_safe_label("/run/systemd/shutdown", 0755, 0, 0);
1907 return log_error_errno(r, "Failed to create shutdown subdirectory: %m");
1909 r = fopen_temporary("/run/systemd/shutdown/scheduled", &f, &temp_path);
1911 return log_error_errno(r, "Failed to save information about scheduled shutdowns: %m");
1913 (void) fchmod(fileno(f), 0644);
1919 m->scheduled_shutdown_timeout,
1920 m->enable_wall_messages,
1921 m->scheduled_shutdown_type);
1923 if (!isempty(m->wall_message)) {
1924 _cleanup_free_ char *t;
1926 t = cescape(m->wall_message);
1932 fprintf(f, "WALL_MESSAGE=%s\n", t);
1935 r = fflush_and_check(f);
1939 if (rename(temp_path, "/run/systemd/shutdown/scheduled") < 0) {
1947 (void) unlink(temp_path);
1948 (void) unlink("/run/systemd/shutdown/scheduled");
1950 return log_error_errno(r, "Failed to write information about scheduled shutdowns: %m");
1953 #if 0 /// elogind has its own variant in elogind-dbus.c
1954 static int manager_scheduled_shutdown_handler(
1959 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1960 Manager *m = userdata;
1966 if (isempty(m->scheduled_shutdown_type))
1969 if (streq(m->scheduled_shutdown_type, "halt"))
1970 target = SPECIAL_HALT_TARGET;
1971 else if (streq(m->scheduled_shutdown_type, "poweroff"))
1972 target = SPECIAL_POWEROFF_TARGET;
1974 target = SPECIAL_REBOOT_TARGET;
1976 r = execute_shutdown_or_sleep(m, 0, target, &error);
1978 return log_error_errno(r, "Unable to execute transition to %s: %m", target);
1984 static int method_schedule_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1985 Manager *m = userdata;
1986 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
1987 const char *action_multiple_sessions = NULL;
1988 const char *action_ignore_inhibit = NULL;
1989 const char *action = NULL;
1997 log_debug_elogind("%s called", __FUNCTION__);
1998 r = sd_bus_message_read(message, "st", &type, &elapse);
2002 if (startswith(type, "dry-")) {
2004 m->shutdown_dry_run = true;
2007 if (streq(type, "reboot")) {
2008 action = "org.freedesktop.login1.reboot";
2009 action_multiple_sessions = "org.freedesktop.login1.reboot-multiple-sessions";
2010 action_ignore_inhibit = "org.freedesktop.login1.reboot-ignore-inhibit";
2011 } else if (streq(type, "halt")) {
2012 action = "org.freedesktop.login1.halt";
2013 action_multiple_sessions = "org.freedesktop.login1.halt-multiple-sessions";
2014 action_ignore_inhibit = "org.freedesktop.login1.halt-ignore-inhibit";
2015 } else if (streq(type, "poweroff")) {
2016 action = "org.freedesktop.login1.power-off";
2017 action_multiple_sessions = "org.freedesktop.login1.power-off-multiple-sessions";
2018 action_ignore_inhibit = "org.freedesktop.login1.power-off-ignore-inhibit";
2020 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unsupported shutdown type");
2022 r = verify_shutdown_creds(m, message, INHIBIT_SHUTDOWN, false,
2023 action, action_multiple_sessions, action_ignore_inhibit, error);
2027 if (m->scheduled_shutdown_timeout_source) {
2028 r = sd_event_source_set_time(m->scheduled_shutdown_timeout_source, elapse);
2030 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
2032 r = sd_event_source_set_enabled(m->scheduled_shutdown_timeout_source, SD_EVENT_ONESHOT);
2034 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
2036 r = sd_event_add_time(m->event, &m->scheduled_shutdown_timeout_source,
2037 CLOCK_REALTIME, elapse, 0, manager_scheduled_shutdown_handler, m);
2039 return log_error_errno(r, "sd_event_add_time() failed: %m");
2042 r = free_and_strdup(&m->scheduled_shutdown_type, type);
2044 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
2048 if (m->nologin_timeout_source) {
2049 r = sd_event_source_set_time(m->nologin_timeout_source, elapse);
2051 return log_error_errno(r, "sd_event_source_set_time() failed: %m");
2053 r = sd_event_source_set_enabled(m->nologin_timeout_source, SD_EVENT_ONESHOT);
2055 return log_error_errno(r, "sd_event_source_set_enabled() failed: %m");
2057 r = sd_event_add_time(m->event, &m->nologin_timeout_source,
2058 CLOCK_REALTIME, elapse - 5 * USEC_PER_MINUTE, 0, nologin_timeout_handler, m);
2060 return log_error_errno(r, "sd_event_add_time() failed: %m");
2063 m->scheduled_shutdown_timeout = elapse;
2065 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds);
2067 const char *tty = NULL;
2069 (void) sd_bus_creds_get_uid(creds, &m->scheduled_shutdown_uid);
2070 (void) sd_bus_creds_get_tty(creds, &tty);
2072 r = free_and_strdup(&m->scheduled_shutdown_tty, tty);
2074 m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source);
2079 r = manager_setup_wall_message_timer(m);
2083 if (!isempty(type)) {
2084 r = update_schedule_file(m);
2088 (void) unlink("/run/systemd/shutdown/scheduled");
2090 return sd_bus_reply_method_return(message, NULL);
2093 static int method_cancel_scheduled_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2094 Manager *m = userdata;
2096 #if 1 /// elogind needs to construct the message to allow extra wall messages
2097 _cleanup_free_ char *l = NULL;
2103 log_debug_elogind("%s called", __FUNCTION__);
2104 cancelled = m->scheduled_shutdown_type != NULL;
2105 reset_scheduled_shutdown(m);
2108 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
2109 const char *tty = NULL;
2113 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds);
2115 (void) sd_bus_creds_get_uid(creds, &uid);
2116 (void) sd_bus_creds_get_tty(creds, &tty);
2119 #if 0 /// elogind wants to allow extra cancellation messages
2120 utmp_wall("The system shutdown has been cancelled",
2121 uid_to_name(uid), tty, logind_wall_tty_filter, m);
2123 r = asprintf(&l, "%s%sThe system shutdown has been cancelled!",
2124 strempty(m->wall_message),
2125 isempty(m->wall_message) ? "" : "\n");
2131 utmp_wall(l, uid_to_name(uid), tty, logind_wall_tty_filter, m);
2135 return sd_bus_reply_method_return(message, "b", cancelled);
2138 #if 0 /// elogind has its own variant in elogind-dbus.c
2139 static int method_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2140 Manager *m = userdata;
2142 log_debug_elogind("%s called", __FUNCTION__);
2143 return method_do_shutdown_or_sleep(
2145 SPECIAL_HIBERNATE_TARGET,
2147 "org.freedesktop.login1.hibernate",
2148 "org.freedesktop.login1.hibernate-multiple-sessions",
2149 "org.freedesktop.login1.hibernate-ignore-inhibit",
2154 static int method_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2155 Manager *m = userdata;
2157 log_debug_elogind("%s called", __FUNCTION__);
2158 return method_do_shutdown_or_sleep(
2160 SPECIAL_HYBRID_SLEEP_TARGET,
2162 "org.freedesktop.login1.hibernate",
2163 "org.freedesktop.login1.hibernate-multiple-sessions",
2164 "org.freedesktop.login1.hibernate-ignore-inhibit",
2170 static int method_can_shutdown_or_sleep(
2172 sd_bus_message *message,
2175 const char *action_multiple_sessions,
2176 const char *action_ignore_inhibit,
2177 const char *sleep_verb,
2178 sd_bus_error *error) {
2180 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
2181 bool multiple_sessions, challenge, blocked;
2182 const char *result = NULL;
2189 assert(w <= _INHIBIT_WHAT_MAX);
2191 assert(action_multiple_sessions);
2192 assert(action_ignore_inhibit);
2195 #if 0 /// elogind needs to have the manager being passed
2196 r = can_sleep(sleep_verb);
2198 r = can_sleep(m, sleep_verb);
2203 return sd_bus_reply_method_return(message, "s", "na");
2206 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds);
2210 r = sd_bus_creds_get_euid(creds, &uid);
2214 r = have_multiple_sessions(m, uid);
2218 multiple_sessions = r > 0;
2219 blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
2221 if (multiple_sessions) {
2222 r = bus_test_polkit(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, UID_INVALID, &challenge, error);
2229 result = "challenge";
2235 r = bus_test_polkit(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, UID_INVALID, &challenge, error);
2239 if (r > 0 && !result)
2241 else if (challenge && (!result || streq(result, "yes")))
2242 result = "challenge";
2247 if (!multiple_sessions && !blocked) {
2248 /* If neither inhibit nor multiple sessions
2249 * apply then just check the normal policy */
2251 r = bus_test_polkit(message, CAP_SYS_BOOT, action, NULL, UID_INVALID, &challenge, error);
2258 result = "challenge";
2263 return sd_bus_reply_method_return(message, "s", result);
2266 static int method_can_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2267 Manager *m = userdata;
2269 return method_can_shutdown_or_sleep(
2272 "org.freedesktop.login1.power-off",
2273 "org.freedesktop.login1.power-off-multiple-sessions",
2274 "org.freedesktop.login1.power-off-ignore-inhibit",
2279 static int method_can_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2280 Manager *m = userdata;
2282 return method_can_shutdown_or_sleep(
2285 "org.freedesktop.login1.reboot",
2286 "org.freedesktop.login1.reboot-multiple-sessions",
2287 "org.freedesktop.login1.reboot-ignore-inhibit",
2292 static int method_can_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2293 Manager *m = userdata;
2295 return method_can_shutdown_or_sleep(
2298 "org.freedesktop.login1.suspend",
2299 "org.freedesktop.login1.suspend-multiple-sessions",
2300 "org.freedesktop.login1.suspend-ignore-inhibit",
2305 static int method_can_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2306 Manager *m = userdata;
2308 return method_can_shutdown_or_sleep(
2311 "org.freedesktop.login1.hibernate",
2312 "org.freedesktop.login1.hibernate-multiple-sessions",
2313 "org.freedesktop.login1.hibernate-ignore-inhibit",
2318 static int method_can_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2319 Manager *m = userdata;
2321 return method_can_shutdown_or_sleep(
2324 "org.freedesktop.login1.hibernate",
2325 "org.freedesktop.login1.hibernate-multiple-sessions",
2326 "org.freedesktop.login1.hibernate-ignore-inhibit",
2331 static int property_get_reboot_to_firmware_setup(
2334 const char *interface,
2335 const char *property,
2336 sd_bus_message *reply,
2338 sd_bus_error *error) {
2339 #if 0 /// elogind does not support EFI
2346 r = efi_get_reboot_to_firmware();
2347 if (r < 0 && r != -EOPNOTSUPP)
2350 return sd_bus_message_append(reply, "b", r > 0);
2352 return sd_bus_message_append(reply, "b", false);
2356 static int method_set_reboot_to_firmware_setup(
2357 sd_bus_message *message,
2359 sd_bus_error *error) {
2362 Manager *m = userdata;
2367 r = sd_bus_message_read(message, "b", &b);
2371 r = bus_verify_polkit_async(message,
2373 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2377 &m->polkit_registry,
2382 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2384 #if 0 /// elogind does not support EFI
2385 r = efi_set_reboot_to_firmware(b);
2390 return sd_bus_reply_method_return(message, NULL);
2393 static int method_can_reboot_to_firmware_setup(
2394 sd_bus_message *message,
2396 sd_bus_error *error) {
2398 #if 0 /// elogind does not support EFI
2402 Manager *m = userdata;
2407 r = efi_reboot_to_firmware_supported();
2408 if (r == -EOPNOTSUPP)
2409 return sd_bus_reply_method_return(message, "s", "na");
2413 r = bus_test_polkit(message,
2415 "org.freedesktop.login1.set-reboot-to-firmware-setup",
2426 result = "challenge";
2430 return sd_bus_reply_method_return(message, "s", result);
2432 return sd_bus_reply_method_return(message, "s", "no");
2436 static int method_set_wall_message(
2437 sd_bus_message *message,
2439 sd_bus_error *error) {
2442 Manager *m = userdata;
2444 int enable_wall_messages;
2449 r = sd_bus_message_read(message, "sb", &wall_message, &enable_wall_messages);
2453 #if 0 /// elogind only calls this for shutdown/reboot, which already needs authorization.
2454 r = bus_verify_polkit_async(message,
2456 "org.freedesktop.login1.set-wall-message",
2460 &m->polkit_registry,
2465 return 1; /* Will call us back */
2468 if (isempty(wall_message))
2469 m->wall_message = mfree(m->wall_message);
2471 r = free_and_strdup(&m->wall_message, wall_message);
2476 m->enable_wall_messages = enable_wall_messages;
2478 return sd_bus_reply_method_return(message, NULL);
2481 static int method_inhibit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2482 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
2483 const char *who, *why, *what, *mode;
2484 _cleanup_free_ char *id = NULL;
2485 _cleanup_close_ int fifo_fd = -1;
2486 Manager *m = userdata;
2487 Inhibitor *i = NULL;
2497 r = sd_bus_message_read(message, "ssss", &what, &who, &why, &mode);
2501 w = inhibit_what_from_string(what);
2503 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid what specification %s", what);
2505 mm = inhibit_mode_from_string(mode);
2507 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid mode specification %s", mode);
2509 /* Delay is only supported for shutdown/sleep */
2510 if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP)))
2511 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Delay inhibitors only supported for shutdown and sleep");
2513 /* Don't allow taking delay locks while we are already
2514 * executing the operation. We shouldn't create the impression
2515 * that the lock was successful if the machine is about to go
2516 * down/suspend any moment. */
2517 if (m->action_what & w)
2518 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "The operation inhibition has been requested for is already running");
2520 r = bus_verify_polkit_async(
2523 w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") :
2524 w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") :
2525 w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" :
2526 w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" :
2527 w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" :
2528 w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" :
2529 "org.freedesktop.login1.inhibit-handle-lid-switch",
2533 &m->polkit_registry,
2538 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2540 r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID|SD_BUS_CREDS_PID, &creds);
2544 r = sd_bus_creds_get_euid(creds, &uid);
2548 r = sd_bus_creds_get_pid(creds, &pid);
2552 if (hashmap_size(m->inhibitors) >= m->inhibitors_max)
2553 return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Maximum number of inhibitors (%" PRIu64 ") reached, refusing further inhibitors.", m->inhibitors_max);
2558 if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0)
2561 } while (hashmap_get(m->inhibitors, id));
2563 r = manager_add_inhibitor(m, id, &i);
2571 i->why = strdup(why);
2572 i->who = strdup(who);
2574 if (!i->why || !i->who) {
2579 fifo_fd = inhibitor_create_fifo(i);
2587 return sd_bus_reply_method_return(message, "h", fifo_fd);
2596 const sd_bus_vtable manager_vtable[] = {
2597 SD_BUS_VTABLE_START(0),
2599 SD_BUS_WRITABLE_PROPERTY("EnableWallMessages", "b", NULL, NULL, offsetof(Manager, enable_wall_messages), 0),
2600 SD_BUS_WRITABLE_PROPERTY("WallMessage", "s", NULL, NULL, offsetof(Manager, wall_message), 0),
2602 #if 0 /// UNNEEDED by elogind
2603 SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), SD_BUS_VTABLE_PROPERTY_CONST),
2605 SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), SD_BUS_VTABLE_PROPERTY_CONST),
2606 SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), SD_BUS_VTABLE_PROPERTY_CONST),
2607 SD_BUS_PROPERTY("KillUserProcesses", "b", NULL, offsetof(Manager, kill_user_processes), SD_BUS_VTABLE_PROPERTY_CONST),
2608 SD_BUS_PROPERTY("RebootToFirmwareSetup", "b", property_get_reboot_to_firmware_setup, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2609 SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2610 SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2611 SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2612 SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2613 SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2614 SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL, offsetof(Manager, inhibit_delay_max), SD_BUS_VTABLE_PROPERTY_CONST),
2615 SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action, offsetof(Manager, handle_power_key), SD_BUS_VTABLE_PROPERTY_CONST),
2616 SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action, offsetof(Manager, handle_suspend_key), SD_BUS_VTABLE_PROPERTY_CONST),
2617 SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action, offsetof(Manager, handle_hibernate_key), SD_BUS_VTABLE_PROPERTY_CONST),
2618 SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch), SD_BUS_VTABLE_PROPERTY_CONST),
2619 SD_BUS_PROPERTY("HandleLidSwitchDocked", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_docked), SD_BUS_VTABLE_PROPERTY_CONST),
2620 SD_BUS_PROPERTY("HoldoffTimeoutUSec", "t", NULL, offsetof(Manager, holdoff_timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2621 SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action, offsetof(Manager, idle_action), SD_BUS_VTABLE_PROPERTY_CONST),
2622 SD_BUS_PROPERTY("IdleActionUSec", "t", NULL, offsetof(Manager, idle_action_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2623 SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing, 0, 0),
2624 SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing, 0, 0),
2625 SD_BUS_PROPERTY("ScheduledShutdown", "(st)", property_get_scheduled_shutdown, 0, 0),
2626 SD_BUS_PROPERTY("Docked", "b", property_get_docked, 0, 0),
2627 SD_BUS_PROPERTY("RemoveIPC", "b", bus_property_get_bool, offsetof(Manager, remove_ipc), SD_BUS_VTABLE_PROPERTY_CONST),
2628 SD_BUS_PROPERTY("RuntimeDirectorySize", "t", bus_property_get_size, offsetof(Manager, runtime_dir_size), SD_BUS_VTABLE_PROPERTY_CONST),
2629 SD_BUS_PROPERTY("InhibitorsMax", "t", NULL, offsetof(Manager, inhibitors_max), SD_BUS_VTABLE_PROPERTY_CONST),
2630 SD_BUS_PROPERTY("NCurrentInhibitors", "t", property_get_current_inhibitors, 0, 0),
2631 SD_BUS_PROPERTY("SessionsMax", "t", NULL, offsetof(Manager, sessions_max), SD_BUS_VTABLE_PROPERTY_CONST),
2632 SD_BUS_PROPERTY("NCurrentSessions", "t", property_get_current_sessions, 0, 0),
2633 SD_BUS_PROPERTY("UserTasksMax", "t", NULL, offsetof(Manager, user_tasks_max), SD_BUS_VTABLE_PROPERTY_CONST),
2635 SD_BUS_METHOD("GetSession", "s", "o", method_get_session, SD_BUS_VTABLE_UNPRIVILEGED),
2636 SD_BUS_METHOD("GetSessionByPID", "u", "o", method_get_session_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
2637 SD_BUS_METHOD("GetUser", "u", "o", method_get_user, SD_BUS_VTABLE_UNPRIVILEGED),
2638 SD_BUS_METHOD("GetUserByPID", "u", "o", method_get_user_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
2639 SD_BUS_METHOD("GetSeat", "s", "o", method_get_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2640 SD_BUS_METHOD("ListSessions", NULL, "a(susso)", method_list_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2641 SD_BUS_METHOD("ListUsers", NULL, "a(uso)", method_list_users, SD_BUS_VTABLE_UNPRIVILEGED),
2642 SD_BUS_METHOD("ListSeats", NULL, "a(so)", method_list_seats, SD_BUS_VTABLE_UNPRIVILEGED),
2643 SD_BUS_METHOD("ListInhibitors", NULL, "a(ssssuu)", method_list_inhibitors, SD_BUS_VTABLE_UNPRIVILEGED),
2644 SD_BUS_METHOD("CreateSession", "uusssssussbssa(sv)", "soshusub", method_create_session, 0),
2645 SD_BUS_METHOD("ReleaseSession", "s", NULL, method_release_session, 0),
2646 SD_BUS_METHOD("ActivateSession", "s", NULL, method_activate_session, SD_BUS_VTABLE_UNPRIVILEGED),
2647 SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL, method_activate_session_on_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2648 SD_BUS_METHOD("LockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED),
2649 SD_BUS_METHOD("UnlockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED),
2650 SD_BUS_METHOD("LockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2651 SD_BUS_METHOD("UnlockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
2652 SD_BUS_METHOD("KillSession", "ssi", NULL, method_kill_session, SD_BUS_VTABLE_UNPRIVILEGED),
2653 SD_BUS_METHOD("KillUser", "ui", NULL, method_kill_user, SD_BUS_VTABLE_UNPRIVILEGED),
2654 SD_BUS_METHOD("TerminateSession", "s", NULL, method_terminate_session, SD_BUS_VTABLE_UNPRIVILEGED),
2655 SD_BUS_METHOD("TerminateUser", "u", NULL, method_terminate_user, SD_BUS_VTABLE_UNPRIVILEGED),
2656 SD_BUS_METHOD("TerminateSeat", "s", NULL, method_terminate_seat, SD_BUS_VTABLE_UNPRIVILEGED),
2657 SD_BUS_METHOD("SetUserLinger", "ubb", NULL, method_set_user_linger, SD_BUS_VTABLE_UNPRIVILEGED),
2658 SD_BUS_METHOD("AttachDevice", "ssb", NULL, method_attach_device, SD_BUS_VTABLE_UNPRIVILEGED),
2659 SD_BUS_METHOD("FlushDevices", "b", NULL, method_flush_devices, SD_BUS_VTABLE_UNPRIVILEGED),
2660 SD_BUS_METHOD("PowerOff", "b", NULL, method_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
2661 SD_BUS_METHOD("Reboot", "b", NULL, method_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
2662 SD_BUS_METHOD("Suspend", "b", NULL, method_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
2663 SD_BUS_METHOD("Hibernate", "b", NULL, method_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
2664 SD_BUS_METHOD("HybridSleep", "b", NULL, method_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
2665 SD_BUS_METHOD("CanPowerOff", NULL, "s", method_can_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
2666 SD_BUS_METHOD("CanReboot", NULL, "s", method_can_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
2667 SD_BUS_METHOD("CanSuspend", NULL, "s", method_can_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
2668 SD_BUS_METHOD("CanHibernate", NULL, "s", method_can_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
2669 SD_BUS_METHOD("CanHybridSleep", NULL, "s", method_can_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
2670 SD_BUS_METHOD("ScheduleShutdown", "st", NULL, method_schedule_shutdown, SD_BUS_VTABLE_UNPRIVILEGED),
2671 SD_BUS_METHOD("CancelScheduledShutdown", NULL, "b", method_cancel_scheduled_shutdown, SD_BUS_VTABLE_UNPRIVILEGED),
2672 SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit, SD_BUS_VTABLE_UNPRIVILEGED),
2673 SD_BUS_METHOD("CanRebootToFirmwareSetup", NULL, "s", method_can_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED),
2674 SD_BUS_METHOD("SetRebootToFirmwareSetup", "b", NULL, method_set_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED),
2675 SD_BUS_METHOD("SetWallMessage", "sb", NULL, method_set_wall_message, SD_BUS_VTABLE_UNPRIVILEGED),
2677 SD_BUS_SIGNAL("SessionNew", "so", 0),
2678 SD_BUS_SIGNAL("SessionRemoved", "so", 0),
2679 SD_BUS_SIGNAL("UserNew", "uo", 0),
2680 SD_BUS_SIGNAL("UserRemoved", "uo", 0),
2681 SD_BUS_SIGNAL("SeatNew", "so", 0),
2682 SD_BUS_SIGNAL("SeatRemoved", "so", 0),
2683 SD_BUS_SIGNAL("PrepareForShutdown", "b", 0),
2684 SD_BUS_SIGNAL("PrepareForSleep", "b", 0),
2689 #if 0 /// UNNEEDED by elogind
2690 static int session_jobs_reply(Session *s, const char *unit, const char *result) {
2699 if (streq(result, "done"))
2700 r = session_send_create_reply(s, NULL);
2702 _cleanup_(sd_bus_error_free) sd_bus_error e = SD_BUS_ERROR_NULL;
2704 sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result);
2705 r = session_send_create_reply(s, &e);
2711 int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2712 const char *path, *result, *unit;
2713 Manager *m = userdata;
2722 r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result);
2724 bus_log_parse_error(r);
2728 if (m->action_job && streq(m->action_job, path)) {
2729 log_info("Operation '%s' finished.", inhibit_what_to_string(m->action_what));
2731 /* Tell people that they now may take a lock again */
2732 send_prepare_for(m, m->action_what, false);
2734 m->action_job = mfree(m->action_job);
2735 m->action_unit = NULL;
2740 session = hashmap_get(m->session_units, unit);
2741 if (session && streq_ptr(path, session->scope_job)) {
2742 session->scope_job = mfree(session->scope_job);
2743 session_jobs_reply(session, unit, result);
2745 session_save(session);
2746 user_save(session->user);
2747 session_add_to_gc_queue(session);
2750 user = hashmap_get(m->user_units, unit);
2752 (streq_ptr(path, user->service_job) ||
2753 streq_ptr(path, user->slice_job))) {
2755 if (streq_ptr(path, user->service_job))
2756 user->service_job = mfree(user->service_job);
2758 if (streq_ptr(path, user->slice_job))
2759 user->slice_job = mfree(user->slice_job);
2761 LIST_FOREACH(sessions_by_user, session, user->sessions)
2762 session_jobs_reply(session, unit, result);
2765 user_add_to_gc_queue(user);
2771 int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2772 const char *path, *unit;
2773 Manager *m = userdata;
2781 r = sd_bus_message_read(message, "so", &unit, &path);
2783 bus_log_parse_error(r);
2787 session = hashmap_get(m->session_units, unit);
2789 session_add_to_gc_queue(session);
2791 user = hashmap_get(m->user_units, unit);
2793 user_add_to_gc_queue(user);
2798 int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2799 _cleanup_free_ char *unit = NULL;
2800 Manager *m = userdata;
2809 path = sd_bus_message_get_path(message);
2813 r = unit_name_from_dbus_path(path, &unit);
2814 if (r == -EINVAL) /* not a unit */
2821 session = hashmap_get(m->session_units, unit);
2823 session_add_to_gc_queue(session);
2825 user = hashmap_get(m->user_units, unit);
2827 user_add_to_gc_queue(user);
2832 int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2833 Manager *m = userdata;
2841 r = sd_bus_message_read(message, "b", &b);
2843 bus_log_parse_error(r);
2850 /* systemd finished reloading, let's recheck all our sessions */
2851 log_debug("System manager has been reloaded, rechecking sessions...");
2853 HASHMAP_FOREACH(session, m->sessions, i)
2854 session_add_to_gc_queue(session);
2860 int manager_send_changed(Manager *manager, const char *property, ...) {
2865 l = strv_from_stdarg_alloca(property);
2867 return sd_bus_emit_properties_changed_strv(
2869 "/org/freedesktop/login1",
2870 "org.freedesktop.login1.Manager",
2874 #if 0 /// UNNEEDED by elogind
2875 static int strdup_job(sd_bus_message *reply, char **job) {
2880 r = sd_bus_message_read(reply, "o", &j);
2892 int manager_start_slice(
2895 const char *description,
2899 sd_bus_error *error,
2902 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
2909 r = sd_bus_message_new_method_call(
2912 "org.freedesktop.systemd1",
2913 "/org/freedesktop/systemd1",
2914 "org.freedesktop.systemd1.Manager",
2915 "StartTransientUnit");
2919 r = sd_bus_message_append(m, "ss", strempty(slice), "fail");
2923 r = sd_bus_message_open_container(m, 'a', "(sv)");
2927 if (!isempty(description)) {
2928 r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
2933 if (!isempty(after)) {
2934 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after);
2939 if (!isempty(after2)) {
2940 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2);
2945 r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", tasks_max);
2949 r = sd_bus_message_close_container(m);
2953 r = sd_bus_message_append(m, "a(sa(sv))", 0);
2957 r = sd_bus_call(manager->bus, m, 0, error, &reply);
2961 return strdup_job(reply, job);
2964 int manager_start_scope(
2969 const char *description,
2973 sd_bus_error *error,
2976 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
2984 r = sd_bus_message_new_method_call(
2987 "org.freedesktop.systemd1",
2988 "/org/freedesktop/systemd1",
2989 "org.freedesktop.systemd1.Manager",
2990 "StartTransientUnit");
2994 r = sd_bus_message_append(m, "ss", strempty(scope), "fail");
2998 r = sd_bus_message_open_container(m, 'a', "(sv)");
3002 if (!isempty(slice)) {
3003 r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice);
3008 if (!isempty(description)) {
3009 r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
3014 if (!isempty(after)) {
3015 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after);
3020 if (!isempty(after2)) {
3021 r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2);
3026 /* cgroup empty notification is not available in containers
3027 * currently. To make this less problematic, let's shorten the
3028 * stop timeout for sessions, so that we don't wait
3031 /* Make sure that the session shells are terminated with
3032 * SIGHUP since bash and friends tend to ignore SIGTERM */
3033 r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", true);
3037 r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid);
3041 r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", tasks_max);
3045 r = sd_bus_message_close_container(m);
3049 r = sd_bus_message_append(m, "a(sa(sv))", 0);
3053 r = sd_bus_call(manager->bus, m, 0, error, &reply);
3057 return strdup_job(reply, job);
3060 int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
3061 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3068 r = sd_bus_call_method(
3070 "org.freedesktop.systemd1",
3071 "/org/freedesktop/systemd1",
3072 "org.freedesktop.systemd1.Manager",
3076 "ss", unit, "replace");
3080 return strdup_job(reply, job);
3083 int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
3084 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3091 r = sd_bus_call_method(
3093 "org.freedesktop.systemd1",
3094 "/org/freedesktop/systemd1",
3095 "org.freedesktop.systemd1.Manager",
3099 "ss", unit, "fail");
3101 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
3102 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) {
3105 sd_bus_error_free(error);
3112 return strdup_job(reply, job);
3115 int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error) {
3116 _cleanup_free_ char *path = NULL;
3122 path = unit_dbus_path_from_name(scope);
3126 r = sd_bus_call_method(
3128 "org.freedesktop.systemd1",
3130 "org.freedesktop.systemd1.Scope",
3136 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
3137 sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED) ||
3138 sd_bus_error_has_name(error, BUS_ERROR_SCOPE_NOT_RUNNING)) {
3139 sd_bus_error_free(error);
3149 int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) {
3153 return sd_bus_call_method(
3155 "org.freedesktop.systemd1",
3156 "/org/freedesktop/systemd1",
3157 "org.freedesktop.systemd1.Manager",
3161 "ssi", unit, who == KILL_LEADER ? "main" : "all", signo);
3164 int manager_unit_is_active(Manager *manager, const char *unit) {
3165 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3166 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3167 _cleanup_free_ char *path = NULL;
3174 path = unit_dbus_path_from_name(unit);
3178 r = sd_bus_get_property(
3180 "org.freedesktop.systemd1",
3182 "org.freedesktop.systemd1.Unit",
3188 /* systemd might have droppped off momentarily, let's
3189 * not make this an error */
3190 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
3191 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
3194 /* If the unit is already unloaded then it's not
3196 if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) ||
3197 sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED))
3203 r = sd_bus_message_read(reply, "s", &state);
3207 return !streq(state, "inactive") && !streq(state, "failed");
3210 int manager_job_is_active(Manager *manager, const char *path) {
3211 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3212 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3218 r = sd_bus_get_property(
3220 "org.freedesktop.systemd1",
3222 "org.freedesktop.systemd1.Job",
3228 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
3229 sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
3232 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT))
3238 /* We don't actually care about the state really. The fact
3239 * that we could read the job state is enough for us */