1 /*-*- Mode: C; c-basic-offset: 8 -*-*/
4 This file is part of systemd.
6 Copyright 2010 Lennart Poettering
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
26 #include "dbus-manager.h"
28 #include "bus-errors.h"
30 #define BUS_MANAGER_INTERFACE \
31 " <interface name=\"org.freedesktop.systemd1.Manager\">\n" \
32 " <method name=\"GetUnit\">\n" \
33 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
34 " <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n" \
36 " <method name=\"LoadUnit\">\n" \
37 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
38 " <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n" \
40 " <method name=\"StartUnit\">\n" \
41 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
42 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
43 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
45 " <method name=\"StopUnit\">\n" \
46 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
47 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
48 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
50 " <method name=\"ReloadUnit\">\n" \
51 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
52 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
53 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
55 " <method name=\"RestartUnit\">\n" \
56 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
57 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
58 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
60 " <method name=\"TryRestartUnit\">\n" \
61 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
62 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
63 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
65 " <method name=\"ReloadOrRestartUnit\">\n" \
66 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
67 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
68 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
70 " <method name=\"ReloadOrTryRestartUnit\">\n" \
71 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
72 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
73 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
75 " <method name=\"ResetMaintenanceUnit\">\n" \
76 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
78 " <method name=\"GetJob\">\n" \
79 " <arg name=\"id\" type=\"u\" direction=\"in\"/>\n" \
80 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
82 " <method name=\"ClearJobs\"/>\n" \
83 " <method name=\"ResetMaintenance\"/>\n" \
84 " <method name=\"ListUnits\">\n" \
85 " <arg name=\"units\" type=\"a(ssssssouso)\" direction=\"out\"/>\n" \
87 " <method name=\"ListJobs\">\n" \
88 " <arg name=\"jobs\" type=\"a(usssoo)\" direction=\"out\"/>\n" \
90 " <method name=\"Subscribe\"/>\n" \
91 " <method name=\"Unsubscribe\"/>\n" \
92 " <method name=\"Dump\"/>\n" \
93 " <method name=\"CreateSnapshot\">\n" \
94 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
95 " <arg nane=\"cleanup\" type=\"b\" direction=\"in\"/>\n" \
96 " <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n" \
98 " <method name=\"Reload\"/>\n" \
99 " <method name=\"Reexecute\"/>\n" \
100 " <method name=\"Exit\"/>\n" \
101 " <method name=\"SetEnvironment\">\n" \
102 " <arg name=\"names\" type=\"as\" direction=\"in\"/>\n" \
104 " <method name=\"UnsetEnvironment\">\n" \
105 " <arg name=\"names\" type=\"as\" direction=\"in\"/>\n" \
107 " <signal name=\"UnitNew\">\n" \
108 " <arg name=\"id\" type=\"s\"/>\n" \
109 " <arg name=\"unit\" type=\"o\"/>\n" \
111 " <signal name=\"UnitRemoved\">\n" \
112 " <arg name=\"id\" type=\"s\"/>\n" \
113 " <arg name=\"unit\" type=\"o\"/>\n" \
115 " <signal name=\"JobNew\">\n" \
116 " <arg name=\"id\" type=\"u\"/>\n" \
117 " <arg name=\"job\" type=\"o\"/>\n" \
119 " <signal name=\"JobRemoved\">\n" \
120 " <arg name=\"id\" type=\"u\"/>\n" \
121 " <arg name=\"job\" type=\"o\"/>\n" \
122 " <arg name=\"success\" type=\"b\"/>\n" \
124 " <property name=\"Version\" type=\"s\" access=\"read\"/>\n" \
125 " <property name=\"RunningAs\" type=\"s\" access=\"read\"/>\n" \
126 " <property name=\"StartupTimestamp\" type=\"t\" access=\"read\"/>\n" \
127 " <property name=\"LogLevel\" type=\"s\" access=\"read\"/>\n" \
128 " <property name=\"LogTarget\" type=\"s\" access=\"read\"/>\n" \
129 " <property name=\"NNames\" type=\"u\" access=\"read\"/>\n" \
130 " <property name=\"NJobs\" type=\"u\" access=\"read\"/>\n" \
131 " <property name=\"Environment\" type=\"as\" access=\"read\"/>\n" \
132 " <property name=\"ConfirmSpawn\" type=\"b\" access=\"read\"/>\n" \
133 " <property name=\"ShowStatus\" type=\"b\" access=\"read\"/>\n" \
134 " <property name=\"UnitPath\" type=\"as\" access=\"read\"/>\n" \
135 " <property name=\"SysVInitPath\" type=\"as\" access=\"read\"/>\n" \
136 " <property name=\"SysVRcndPath\" type=\"as\" access=\"read\"/>\n" \
137 " <property name=\"NotifySocket\" type=\"s\" access=\"read\"/>\n" \
138 " <property name=\"ControlGroupHierarchy\" type=\"s\" access=\"read\"/>\n" \
141 #define INTROSPECTION_BEGIN \
142 DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
144 BUS_MANAGER_INTERFACE \
145 BUS_PROPERTIES_INTERFACE \
146 BUS_INTROSPECTABLE_INTERFACE
148 #define INTROSPECTION_END \
151 const char bus_manager_interface[] = BUS_MANAGER_INTERFACE;
153 static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_manager_append_running_as, manager_running_as, ManagerRunningAs);
155 static int bus_manager_append_log_target(Manager *m, DBusMessageIter *i, const char *property, void *data) {
162 t = log_target_to_string(log_get_target());
164 if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t))
170 static int bus_manager_append_log_level(Manager *m, DBusMessageIter *i, const char *property, void *data) {
177 t = log_level_to_string(log_get_max_level());
179 if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t))
185 static int bus_manager_append_n_names(Manager *m, DBusMessageIter *i, const char *property, void *data) {
192 u = hashmap_size(m->units);
194 if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT32, &u))
200 static int bus_manager_append_n_jobs(Manager *m, DBusMessageIter *i, const char *property, void *data) {
207 u = hashmap_size(m->jobs);
209 if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT32, &u))
215 static const char *message_get_sender_with_fallback(DBusMessage *m) {
220 if ((s = dbus_message_get_sender(m)))
223 /* When the message came in from a direct connection the
224 * message will have no sender. We fix that here. */
229 static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection, DBusMessage *message, void *data) {
232 const BusProperty properties[] = {
233 { "org.freedesktop.systemd1.Manager", "Version", bus_property_append_string, "s", PACKAGE_STRING },
234 { "org.freedesktop.systemd1.Manager", "RunningAs", bus_manager_append_running_as, "s", &m->running_as },
235 { "org.freedesktop.systemd1.Manager", "StartupTimestamp", bus_property_append_uint64, "t", &m->startup_timestamp.realtime },
236 { "org.freedesktop.systemd1.Manager", "LogLevel", bus_manager_append_log_level, "s", NULL },
237 { "org.freedesktop.systemd1.Manager", "LogTarget", bus_manager_append_log_target, "s", NULL },
238 { "org.freedesktop.systemd1.Manager", "NNames", bus_manager_append_n_names, "u", NULL },
239 { "org.freedesktop.systemd1.Manager", "NJobs", bus_manager_append_n_jobs, "u", NULL },
240 { "org.freedesktop.systemd1.Manager", "Environment", bus_property_append_strv, "as", m->environment },
241 { "org.freedesktop.systemd1.Manager", "ConfirmSpawn", bus_property_append_bool, "b", &m->confirm_spawn },
242 { "org.freedesktop.systemd1.Manager", "ShowStatus", bus_property_append_bool, "b", &m->show_status },
243 { "org.freedesktop.systemd1.Manager", "UnitPath", bus_property_append_strv, "as", m->lookup_paths.unit_path },
244 { "org.freedesktop.systemd1.Manager", "SysVInitPath", bus_property_append_strv, "as", m->lookup_paths.sysvinit_path },
245 { "org.freedesktop.systemd1.Manager", "SysVRcndPath", bus_property_append_strv, "as", m->lookup_paths.sysvrcnd_path },
246 { "org.freedesktop.systemd1.Manager", "NotifySocket", bus_property_append_string, "s", m->notify_socket },
247 { "org.freedesktop.systemd1.Manager", "ControlGroupHierarchy", bus_property_append_string, "s", m->cgroup_hierarchy },
248 { NULL, NULL, NULL, NULL, NULL }
253 DBusMessage *reply = NULL;
255 JobType job_type = _JOB_TYPE_INVALID;
256 bool reload_if_possible = false;
262 dbus_error_init(&error);
264 if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "GetUnit")) {
268 if (!dbus_message_get_args(
271 DBUS_TYPE_STRING, &name,
273 return bus_send_error_reply(m, connection, message, &error, -EINVAL);
275 if (!(u = manager_get_unit(m, name))) {
276 dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s is not loaded.", name);
277 return bus_send_error_reply(m, connection, message, &error, -ENOENT);
280 if (!(reply = dbus_message_new_method_return(message)))
283 if (!(path = unit_dbus_path(u)))
286 if (!dbus_message_append_args(
288 DBUS_TYPE_OBJECT_PATH, &path,
292 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "LoadUnit")) {
296 if (!dbus_message_get_args(
299 DBUS_TYPE_STRING, &name,
301 return bus_send_error_reply(m, connection, message, &error, -EINVAL);
303 if ((r = manager_load_unit(m, name, NULL, &error, &u)) < 0)
304 return bus_send_error_reply(m, connection, message, &error, r);
306 if (!(reply = dbus_message_new_method_return(message)))
309 if (!(path = unit_dbus_path(u)))
312 if (!dbus_message_append_args(
314 DBUS_TYPE_OBJECT_PATH, &path,
318 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "StartUnit"))
319 job_type = JOB_START;
320 else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "StopUnit"))
322 else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ReloadUnit"))
323 job_type = JOB_RELOAD;
324 else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "RestartUnit"))
325 job_type = JOB_RESTART;
326 else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "TryRestartUnit"))
327 job_type = JOB_TRY_RESTART;
328 else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ReloadOrRestartUnit")) {
329 reload_if_possible = true;
330 job_type = JOB_RESTART;
331 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ReloadOrTryRestartUnit")) {
332 reload_if_possible = true;
333 job_type = JOB_TRY_RESTART;
334 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "GetJob")) {
338 if (!dbus_message_get_args(
341 DBUS_TYPE_UINT32, &id,
343 return bus_send_error_reply(m, connection, message, &error, -EINVAL);
345 if (!(j = manager_get_job(m, id))) {
346 dbus_set_error(&error, BUS_ERROR_NO_SUCH_JOB, "Job %u does not exist.", (unsigned) id);
347 return bus_send_error_reply(m, connection, message, &error, -ENOENT);
350 if (!(reply = dbus_message_new_method_return(message)))
353 if (!(path = job_dbus_path(j)))
356 if (!dbus_message_append_args(
358 DBUS_TYPE_OBJECT_PATH, &path,
362 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ClearJobs")) {
364 manager_clear_jobs(m);
366 if (!(reply = dbus_message_new_method_return(message)))
369 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ResetMaintenance")) {
371 manager_reset_maintenance(m);
373 if (!(reply = dbus_message_new_method_return(message)))
376 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ResetMaintenanceUnit")) {
380 if (!dbus_message_get_args(
383 DBUS_TYPE_STRING, &name,
385 return bus_send_error_reply(m, connection, message, &error, -EINVAL);
387 if (!(u = manager_get_unit(m, name))) {
388 dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s is not loaded.", name);
389 return bus_send_error_reply(m, connection, message, &error, -ENOENT);
392 unit_reset_maintenance(u);
394 if (!(reply = dbus_message_new_method_return(message)))
397 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ListUnits")) {
398 DBusMessageIter iter, sub;
403 if (!(reply = dbus_message_new_method_return(message)))
406 dbus_message_iter_init_append(reply, &iter);
408 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(ssssssouso)", &sub))
411 HASHMAP_FOREACH_KEY(u, k, m->units, i) {
412 char *u_path, *j_path;
413 const char *description, *load_state, *active_state, *sub_state, *sjob_type, *following;
414 DBusMessageIter sub2;
420 if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
423 description = unit_description(u);
424 load_state = unit_load_state_to_string(u->meta.load_state);
425 active_state = unit_active_state_to_string(unit_active_state(u));
426 sub_state = unit_sub_state_to_string(u);
427 following = u->meta.following ? u->meta.following->meta.id : "";
429 if (!(u_path = unit_dbus_path(u)))
433 job_id = (uint32_t) u->meta.job->id;
435 if (!(j_path = job_dbus_path(u->meta.job))) {
440 sjob_type = job_type_to_string(u->meta.job->type);
447 if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &u->meta.id) ||
448 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &description) ||
449 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &load_state) ||
450 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &active_state) ||
451 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &sub_state) ||
452 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &following) ||
453 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &u_path) ||
454 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &job_id) ||
455 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &sjob_type) ||
456 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &j_path)) {
467 if (!dbus_message_iter_close_container(&sub, &sub2))
471 if (!dbus_message_iter_close_container(&iter, &sub))
474 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ListJobs")) {
475 DBusMessageIter iter, sub;
479 if (!(reply = dbus_message_new_method_return(message)))
482 dbus_message_iter_init_append(reply, &iter);
484 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(usssoo)", &sub))
487 HASHMAP_FOREACH(j, m->jobs, i) {
488 char *u_path, *j_path;
489 const char *state, *type;
491 DBusMessageIter sub2;
493 if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
496 id = (uint32_t) j->id;
497 state = job_state_to_string(j->state);
498 type = job_type_to_string(j->type);
500 if (!(j_path = job_dbus_path(j)))
503 if (!(u_path = unit_dbus_path(j->unit))) {
508 if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &id) ||
509 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &j->unit->meta.id) ||
510 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &type) ||
511 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &state) ||
512 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &j_path) ||
513 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &u_path)) {
522 if (!dbus_message_iter_close_container(&sub, &sub2))
526 if (!dbus_message_iter_close_container(&iter, &sub))
529 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Subscribe")) {
533 if (!(s = BUS_CONNECTION_SUBSCRIBED(m, connection))) {
534 if (!(s = set_new(string_hash_func, string_compare_func)))
537 if (!(dbus_connection_set_data(connection, m->subscribed_data_slot, s, NULL))) {
543 if (!(client = strdup(message_get_sender_with_fallback(message))))
546 if ((r = set_put(s, client)) < 0) {
548 return bus_send_error_reply(m, connection, message, NULL, r);
551 if (!(reply = dbus_message_new_method_return(message)))
554 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Unsubscribe")) {
557 if (!(client = set_remove(BUS_CONNECTION_SUBSCRIBED(m, connection), (char*) message_get_sender_with_fallback(message)))) {
558 dbus_set_error(&error, BUS_ERROR_NOT_SUBSCRIBED, "Client is not subscribed.");
559 return bus_send_error_reply(m, connection, message, &error, -ENOENT);
564 if (!(reply = dbus_message_new_method_return(message)))
567 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Dump")) {
572 if (!(reply = dbus_message_new_method_return(message)))
575 if (!(f = open_memstream(&dump, &size)))
578 manager_dump_units(m, f, NULL);
579 manager_dump_jobs(m, f, NULL);
589 if (!dbus_message_append_args(reply, DBUS_TYPE_STRING, &dump, DBUS_TYPE_INVALID)) {
595 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "CreateSnapshot")) {
600 if (!dbus_message_get_args(
603 DBUS_TYPE_STRING, &name,
604 DBUS_TYPE_BOOLEAN, &cleanup,
606 return bus_send_error_reply(m, connection, message, &error, -EINVAL);
608 if (name && name[0] == 0)
611 if ((r = snapshot_create(m, name, cleanup, &error, &s)) < 0)
612 return bus_send_error_reply(m, connection, message, &error, r);
614 if (!(reply = dbus_message_new_method_return(message)))
617 if (!(path = unit_dbus_path(UNIT(s))))
620 if (!dbus_message_append_args(
622 DBUS_TYPE_OBJECT_PATH, &path,
626 } else if (dbus_message_is_method_call(message, "org.freedesktop.DBus.Introspectable", "Introspect")) {
627 char *introspection = NULL;
635 if (!(reply = dbus_message_new_method_return(message)))
638 /* We roll our own introspection code here, instead of
639 * relying on bus_default_message_handler() because we
640 * need to generate our introspection string
643 if (!(f = open_memstream(&introspection, &size)))
646 fputs(INTROSPECTION_BEGIN, f);
648 HASHMAP_FOREACH_KEY(u, k, m->units, i) {
654 if (!(p = bus_path_escape(k))) {
660 fprintf(f, "<node name=\"unit/%s\"/>", p);
664 HASHMAP_FOREACH(j, m->jobs, i)
665 fprintf(f, "<node name=\"job/%lu\"/>", (unsigned long) j->id);
667 fputs(INTROSPECTION_END, f);
680 if (!dbus_message_append_args(reply, DBUS_TYPE_STRING, &introspection, DBUS_TYPE_INVALID)) {
687 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Reload")) {
689 assert(!m->queued_message);
691 /* Instead of sending the reply back right away, we
692 * just remember that we need to and then send it
693 * after the reload is finished. That way the caller
694 * knows when the reload finished. */
696 if (!(m->queued_message = dbus_message_new_method_return(message)))
699 m->queued_message_connection = connection;
700 m->exit_code = MANAGER_RELOAD;
702 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Reexecute")) {
704 if (!(reply = dbus_message_new_method_return(message)))
707 m->exit_code = MANAGER_REEXECUTE;
709 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Exit")) {
711 if (m->running_as == MANAGER_SYSTEM) {
712 dbus_set_error(&error, BUS_ERROR_NOT_SUPPORTED, "Exit is only supported for session managers.");
713 return bus_send_error_reply(m, connection, message, &error, -ENOTSUP);
716 if (!(reply = dbus_message_new_method_return(message)))
719 m->exit_code = MANAGER_EXIT;
721 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "SetEnvironment")) {
722 char **l = NULL, **e = NULL;
724 if ((r = bus_parse_strv(message, &l)) < 0) {
728 return bus_send_error_reply(m, connection, message, NULL, r);
731 e = strv_env_merge(2, m->environment, l);
737 if (!(reply = dbus_message_new_method_return(message))) {
742 strv_free(m->environment);
745 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "UnsetEnvironment")) {
746 char **l = NULL, **e = NULL;
748 if ((r = bus_parse_strv(message, &l)) < 0) {
752 return bus_send_error_reply(m, connection, message, NULL, r);
755 e = strv_env_delete(m->environment, 1, l);
761 if (!(reply = dbus_message_new_method_return(message)))
764 strv_free(m->environment);
768 return bus_default_message_handler(m, connection, message, NULL, properties);
770 if (job_type != _JOB_TYPE_INVALID) {
771 const char *name, *smode;
776 if (!dbus_message_get_args(
779 DBUS_TYPE_STRING, &name,
780 DBUS_TYPE_STRING, &smode,
782 return bus_send_error_reply(m, connection, message, &error, -EINVAL);
784 if ((mode = job_mode_from_string(smode)) == _JOB_MODE_INVALID) {
785 dbus_set_error(&error, BUS_ERROR_INVALID_JOB_MODE, "Job mode %s is invalid.", smode);
786 return bus_send_error_reply(m, connection, message, &error, -EINVAL);
789 if ((r = manager_load_unit(m, name, NULL, &error, &u)) < 0)
790 return bus_send_error_reply(m, connection, message, &error, r);
792 if (reload_if_possible && unit_can_reload(u)) {
793 if (job_type == JOB_RESTART)
794 job_type = JOB_RELOAD_OR_START;
795 else if (job_type == JOB_TRY_RESTART)
796 job_type = JOB_RELOAD;
799 if (job_type == JOB_START && u->meta.only_by_dependency) {
800 dbus_set_error(&error, BUS_ERROR_ONLY_BY_DEPENDENCY, "Unit may be activated by dependency only.");
801 return bus_send_error_reply(m, connection, message, &error, -EPERM);
804 if ((r = manager_add_job(m, job_type, u, mode, true, &error, &j)) < 0)
805 return bus_send_error_reply(m, connection, message, &error, r);
807 if (!(j->bus_client = strdup(message_get_sender_with_fallback(message))))
812 if (!(reply = dbus_message_new_method_return(message)))
815 if (!(path = job_dbus_path(j)))
818 if (!dbus_message_append_args(
820 DBUS_TYPE_OBJECT_PATH, &path,
828 if (!dbus_connection_send(connection, reply, NULL))
831 dbus_message_unref(reply);
834 return DBUS_HANDLER_RESULT_HANDLED;
840 dbus_message_unref(reply);
842 dbus_error_free(&error);
844 return DBUS_HANDLER_RESULT_NEED_MEMORY;
847 const DBusObjectPathVTable bus_manager_vtable = {
848 .message_function = bus_manager_message_handler