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(sssssouso)\" 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
, "(sssssouso)", &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
;
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
);
428 if (!(u_path
= unit_dbus_path(u
)))
432 job_id
= (uint32_t) u
->meta
.job
->id
;
434 if (!(j_path
= job_dbus_path(u
->meta
.job
))) {
439 sjob_type
= job_type_to_string(u
->meta
.job
->type
);
446 if (!dbus_message_iter_append_basic(&sub2
, DBUS_TYPE_STRING
, &u
->meta
.id
) ||
447 !dbus_message_iter_append_basic(&sub2
, DBUS_TYPE_STRING
, &description
) ||
448 !dbus_message_iter_append_basic(&sub2
, DBUS_TYPE_STRING
, &load_state
) ||
449 !dbus_message_iter_append_basic(&sub2
, DBUS_TYPE_STRING
, &active_state
) ||
450 !dbus_message_iter_append_basic(&sub2
, DBUS_TYPE_STRING
, &sub_state
) ||
451 !dbus_message_iter_append_basic(&sub2
, DBUS_TYPE_OBJECT_PATH
, &u_path
) ||
452 !dbus_message_iter_append_basic(&sub2
, DBUS_TYPE_UINT32
, &job_id
) ||
453 !dbus_message_iter_append_basic(&sub2
, DBUS_TYPE_STRING
, &sjob_type
) ||
454 !dbus_message_iter_append_basic(&sub2
, DBUS_TYPE_OBJECT_PATH
, &j_path
)) {
465 if (!dbus_message_iter_close_container(&sub
, &sub2
))
469 if (!dbus_message_iter_close_container(&iter
, &sub
))
472 } else if (dbus_message_is_method_call(message
, "org.freedesktop.systemd1.Manager", "ListJobs")) {
473 DBusMessageIter iter
, sub
;
477 if (!(reply
= dbus_message_new_method_return(message
)))
480 dbus_message_iter_init_append(reply
, &iter
);
482 if (!dbus_message_iter_open_container(&iter
, DBUS_TYPE_ARRAY
, "(usssoo)", &sub
))
485 HASHMAP_FOREACH(j
, m
->jobs
, i
) {
486 char *u_path
, *j_path
;
487 const char *state
, *type
;
489 DBusMessageIter sub2
;
491 if (!dbus_message_iter_open_container(&sub
, DBUS_TYPE_STRUCT
, NULL
, &sub2
))
494 id
= (uint32_t) j
->id
;
495 state
= job_state_to_string(j
->state
);
496 type
= job_type_to_string(j
->type
);
498 if (!(j_path
= job_dbus_path(j
)))
501 if (!(u_path
= unit_dbus_path(j
->unit
))) {
506 if (!dbus_message_iter_append_basic(&sub2
, DBUS_TYPE_UINT32
, &id
) ||
507 !dbus_message_iter_append_basic(&sub2
, DBUS_TYPE_STRING
, &j
->unit
->meta
.id
) ||
508 !dbus_message_iter_append_basic(&sub2
, DBUS_TYPE_STRING
, &type
) ||
509 !dbus_message_iter_append_basic(&sub2
, DBUS_TYPE_STRING
, &state
) ||
510 !dbus_message_iter_append_basic(&sub2
, DBUS_TYPE_OBJECT_PATH
, &j_path
) ||
511 !dbus_message_iter_append_basic(&sub2
, DBUS_TYPE_OBJECT_PATH
, &u_path
)) {
520 if (!dbus_message_iter_close_container(&sub
, &sub2
))
524 if (!dbus_message_iter_close_container(&iter
, &sub
))
527 } else if (dbus_message_is_method_call(message
, "org.freedesktop.systemd1.Manager", "Subscribe")) {
531 if (!(s
= BUS_CONNECTION_SUBSCRIBED(m
, connection
))) {
532 if (!(s
= set_new(string_hash_func
, string_compare_func
)))
535 if (!(dbus_connection_set_data(connection
, m
->subscribed_data_slot
, s
, NULL
))) {
541 if (!(client
= strdup(message_get_sender_with_fallback(message
))))
544 if ((r
= set_put(s
, client
)) < 0) {
546 return bus_send_error_reply(m
, connection
, message
, NULL
, r
);
549 if (!(reply
= dbus_message_new_method_return(message
)))
552 } else if (dbus_message_is_method_call(message
, "org.freedesktop.systemd1.Manager", "Unsubscribe")) {
555 if (!(client
= set_remove(BUS_CONNECTION_SUBSCRIBED(m
, connection
), (char*) message_get_sender_with_fallback(message
)))) {
556 dbus_set_error(&error
, BUS_ERROR_NOT_SUBSCRIBED
, "Client is not subscribed.");
557 return bus_send_error_reply(m
, connection
, message
, &error
, -ENOENT
);
562 if (!(reply
= dbus_message_new_method_return(message
)))
565 } else if (dbus_message_is_method_call(message
, "org.freedesktop.systemd1.Manager", "Dump")) {
570 if (!(reply
= dbus_message_new_method_return(message
)))
573 if (!(f
= open_memstream(&dump
, &size
)))
576 manager_dump_units(m
, f
, NULL
);
577 manager_dump_jobs(m
, f
, NULL
);
587 if (!dbus_message_append_args(reply
, DBUS_TYPE_STRING
, &dump
, DBUS_TYPE_INVALID
)) {
593 } else if (dbus_message_is_method_call(message
, "org.freedesktop.systemd1.Manager", "CreateSnapshot")) {
598 if (!dbus_message_get_args(
601 DBUS_TYPE_STRING
, &name
,
602 DBUS_TYPE_BOOLEAN
, &cleanup
,
604 return bus_send_error_reply(m
, connection
, message
, &error
, -EINVAL
);
606 if (name
&& name
[0] == 0)
609 if ((r
= snapshot_create(m
, name
, cleanup
, &error
, &s
)) < 0)
610 return bus_send_error_reply(m
, connection
, message
, &error
, r
);
612 if (!(reply
= dbus_message_new_method_return(message
)))
615 if (!(path
= unit_dbus_path(UNIT(s
))))
618 if (!dbus_message_append_args(
620 DBUS_TYPE_OBJECT_PATH
, &path
,
624 } else if (dbus_message_is_method_call(message
, "org.freedesktop.DBus.Introspectable", "Introspect")) {
625 char *introspection
= NULL
;
633 if (!(reply
= dbus_message_new_method_return(message
)))
636 /* We roll our own introspection code here, instead of
637 * relying on bus_default_message_handler() because we
638 * need to generate our introspection string
641 if (!(f
= open_memstream(&introspection
, &size
)))
644 fputs(INTROSPECTION_BEGIN
, f
);
646 HASHMAP_FOREACH_KEY(u
, k
, m
->units
, i
) {
652 if (!(p
= bus_path_escape(k
))) {
658 fprintf(f
, "<node name=\"unit/%s\"/>", p
);
662 HASHMAP_FOREACH(j
, m
->jobs
, i
)
663 fprintf(f
, "<node name=\"job/%lu\"/>", (unsigned long) j
->id
);
665 fputs(INTROSPECTION_END
, f
);
678 if (!dbus_message_append_args(reply
, DBUS_TYPE_STRING
, &introspection
, DBUS_TYPE_INVALID
)) {
685 } else if (dbus_message_is_method_call(message
, "org.freedesktop.systemd1.Manager", "Reload")) {
687 assert(!m
->queued_message
);
689 /* Instead of sending the reply back right away, we
690 * just remember that we need to and then send it
691 * after the reload is finished. That way the caller
692 * knows when the reload finished. */
694 if (!(m
->queued_message
= dbus_message_new_method_return(message
)))
697 m
->queued_message_connection
= connection
;
698 m
->exit_code
= MANAGER_RELOAD
;
700 } else if (dbus_message_is_method_call(message
, "org.freedesktop.systemd1.Manager", "Reexecute")) {
702 if (!(reply
= dbus_message_new_method_return(message
)))
705 m
->exit_code
= MANAGER_REEXECUTE
;
707 } else if (dbus_message_is_method_call(message
, "org.freedesktop.systemd1.Manager", "Exit")) {
709 if (m
->running_as
== MANAGER_SYSTEM
) {
710 dbus_set_error(&error
, BUS_ERROR_NOT_SUPPORTED
, "Exit is only supported for session managers.");
711 return bus_send_error_reply(m
, connection
, message
, &error
, -ENOTSUP
);
714 if (!(reply
= dbus_message_new_method_return(message
)))
717 m
->exit_code
= MANAGER_EXIT
;
719 } else if (dbus_message_is_method_call(message
, "org.freedesktop.systemd1.Manager", "SetEnvironment")) {
720 char **l
= NULL
, **e
= NULL
;
722 if ((r
= bus_parse_strv(message
, &l
)) < 0) {
726 return bus_send_error_reply(m
, connection
, message
, NULL
, r
);
729 e
= strv_env_merge(2, m
->environment
, l
);
735 if (!(reply
= dbus_message_new_method_return(message
))) {
740 strv_free(m
->environment
);
743 } else if (dbus_message_is_method_call(message
, "org.freedesktop.systemd1.Manager", "UnsetEnvironment")) {
744 char **l
= NULL
, **e
= NULL
;
746 if ((r
= bus_parse_strv(message
, &l
)) < 0) {
750 return bus_send_error_reply(m
, connection
, message
, NULL
, r
);
753 e
= strv_env_delete(m
->environment
, 1, l
);
759 if (!(reply
= dbus_message_new_method_return(message
)))
762 strv_free(m
->environment
);
766 return bus_default_message_handler(m
, connection
, message
, NULL
, properties
);
768 if (job_type
!= _JOB_TYPE_INVALID
) {
769 const char *name
, *smode
;
774 if (!dbus_message_get_args(
777 DBUS_TYPE_STRING
, &name
,
778 DBUS_TYPE_STRING
, &smode
,
780 return bus_send_error_reply(m
, connection
, message
, &error
, -EINVAL
);
782 if ((mode
= job_mode_from_string(smode
)) == _JOB_MODE_INVALID
) {
783 dbus_set_error(&error
, BUS_ERROR_INVALID_JOB_MODE
, "Job mode %s is invalid.", smode
);
784 return bus_send_error_reply(m
, connection
, message
, &error
, -EINVAL
);
787 if ((r
= manager_load_unit(m
, name
, NULL
, &error
, &u
)) < 0)
788 return bus_send_error_reply(m
, connection
, message
, &error
, r
);
790 if (reload_if_possible
&& unit_can_reload(u
)) {
791 if (job_type
== JOB_RESTART
)
792 job_type
= JOB_RELOAD_OR_START
;
793 else if (job_type
== JOB_TRY_RESTART
)
794 job_type
= JOB_RELOAD
;
797 if (job_type
== JOB_START
&& u
->meta
.only_by_dependency
) {
798 dbus_set_error(&error
, BUS_ERROR_ONLY_BY_DEPENDENCY
, "Unit may be activated by dependency only.");
799 return bus_send_error_reply(m
, connection
, message
, &error
, -EPERM
);
802 if ((r
= manager_add_job(m
, job_type
, u
, mode
, true, &error
, &j
)) < 0)
803 return bus_send_error_reply(m
, connection
, message
, &error
, r
);
805 if (!(j
->bus_client
= strdup(message_get_sender_with_fallback(message
))))
810 if (!(reply
= dbus_message_new_method_return(message
)))
813 if (!(path
= job_dbus_path(j
)))
816 if (!dbus_message_append_args(
818 DBUS_TYPE_OBJECT_PATH
, &path
,
826 if (!dbus_connection_send(connection
, reply
, NULL
))
829 dbus_message_unref(reply
);
832 return DBUS_HANDLER_RESULT_HANDLED
;
838 dbus_message_unref(reply
);
840 dbus_error_free(&error
);
842 return DBUS_HANDLER_RESULT_NEED_MEMORY
;
845 const DBusObjectPathVTable bus_manager_vtable
= {
846 .message_function
= bus_manager_message_handler