1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/>.
27 #include "dbus-manager.h"
29 #include "bus-errors.h"
32 #define BUS_MANAGER_INTERFACE_BEGIN \
33 " <interface name=\"org.freedesktop.systemd1.Manager\">\n"
35 #define BUS_MANAGER_INTERFACE_METHODS \
36 " <method name=\"GetUnit\">\n" \
37 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
38 " <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n" \
40 " <method name=\"GetUnitByPID\">\n" \
41 " <arg name=\"pid\" type=\"u\" direction=\"in\"/>\n" \
42 " <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n" \
44 " <method name=\"LoadUnit\">\n" \
45 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
46 " <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n" \
48 " <method name=\"StartUnit\">\n" \
49 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
50 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
51 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
53 " <method name=\"StartUnitReplace\">\n" \
54 " <arg name=\"old_unit\" type=\"s\" direction=\"in\"/>\n" \
55 " <arg name=\"new_unit\" type=\"s\" direction=\"in\"/>\n" \
56 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
57 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
59 " <method name=\"StopUnit\">\n" \
60 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
61 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
62 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
64 " <method name=\"ReloadUnit\">\n" \
65 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
66 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
67 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
69 " <method name=\"RestartUnit\">\n" \
70 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
71 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
72 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
74 " <method name=\"TryRestartUnit\">\n" \
75 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
76 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
77 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
79 " <method name=\"ReloadOrRestartUnit\">\n" \
80 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
81 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
82 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
84 " <method name=\"ReloadOrTryRestartUnit\">\n" \
85 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
86 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
87 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
89 " <method name=\"KillUnit\">\n" \
90 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
91 " <arg name=\"who\" type=\"s\" direction=\"in\"/>\n" \
92 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
93 " <arg name=\"signal\" type=\"i\" direction=\"in\"/>\n" \
95 " <method name=\"ResetFailedUnit\">\n" \
96 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
98 " <method name=\"GetJob\">\n" \
99 " <arg name=\"id\" type=\"u\" direction=\"in\"/>\n" \
100 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
102 " <method name=\"ClearJobs\"/>\n" \
103 " <method name=\"ResetFailed\"/>\n" \
104 " <method name=\"ListUnits\">\n" \
105 " <arg name=\"units\" type=\"a(ssssssouso)\" direction=\"out\"/>\n" \
107 " <method name=\"ListJobs\">\n" \
108 " <arg name=\"jobs\" type=\"a(usssoo)\" direction=\"out\"/>\n" \
110 " <method name=\"Subscribe\"/>\n" \
111 " <method name=\"Unsubscribe\"/>\n" \
112 " <method name=\"Dump\"/>\n" \
113 " <method name=\"CreateSnapshot\">\n" \
114 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
115 " <arg name=\"cleanup\" type=\"b\" direction=\"in\"/>\n" \
116 " <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n" \
118 " <method name=\"Reload\"/>\n" \
119 " <method name=\"Reexecute\"/>\n" \
120 " <method name=\"Exit\"/>\n" \
121 " <method name=\"Reboot\"/>\n" \
122 " <method name=\"PowerOff\"/>\n" \
123 " <method name=\"Halt\"/>\n" \
124 " <method name=\"KExec\"/>\n" \
125 " <method name=\"SetEnvironment\">\n" \
126 " <arg name=\"names\" type=\"as\" direction=\"in\"/>\n" \
128 " <method name=\"UnsetEnvironment\">\n" \
129 " <arg name=\"names\" type=\"as\" direction=\"in\"/>\n" \
132 #define BUS_MANAGER_INTERFACE_SIGNALS \
133 " <signal name=\"UnitNew\">\n" \
134 " <arg name=\"id\" type=\"s\"/>\n" \
135 " <arg name=\"unit\" type=\"o\"/>\n" \
137 " <signal name=\"UnitRemoved\">\n" \
138 " <arg name=\"id\" type=\"s\"/>\n" \
139 " <arg name=\"unit\" type=\"o\"/>\n" \
141 " <signal name=\"JobNew\">\n" \
142 " <arg name=\"id\" type=\"u\"/>\n" \
143 " <arg name=\"job\" type=\"o\"/>\n" \
145 " <signal name=\"JobRemoved\">\n" \
146 " <arg name=\"id\" type=\"u\"/>\n" \
147 " <arg name=\"job\" type=\"o\"/>\n" \
148 " <arg name=\"result\" type=\"s\"/>\n" \
151 #define BUS_MANAGER_INTERFACE_PROPERTIES_GENERAL \
152 " <property name=\"Version\" type=\"s\" access=\"read\"/>\n" \
153 " <property name=\"Distribution\" type=\"s\" access=\"read\"/>\n" \
154 " <property name=\"Features\" type=\"s\" access=\"read\"/>\n" \
155 " <property name=\"Tainted\" type=\"s\" access=\"read\"/>\n" \
156 " <property name=\"RunningAs\" type=\"s\" access=\"read\"/>\n" \
157 " <property name=\"InitRDTimestamp\" type=\"t\" access=\"read\"/>\n" \
158 " <property name=\"StartupTimestamp\" type=\"t\" access=\"read\"/>\n" \
159 " <property name=\"FinishTimestamp\" type=\"t\" access=\"read\"/>\n" \
160 " <property name=\"LogLevel\" type=\"s\" access=\"readwrite\"/>\n" \
161 " <property name=\"LogTarget\" type=\"s\" access=\"readwrite\"/>\n" \
162 " <property name=\"NNames\" type=\"u\" access=\"read\"/>\n" \
163 " <property name=\"NJobs\" type=\"u\" access=\"read\"/>\n" \
164 " <property name=\"NInstalledJobs\" type=\"u\" access=\"read\"/>\n" \
165 " <property name=\"NFailedJobs\" type=\"u\" access=\"read\"/>\n" \
166 " <property name=\"Progress\" type=\"d\" access=\"read\"/>\n" \
167 " <property name=\"Environment\" type=\"as\" access=\"read\"/>\n" \
168 " <property name=\"ConfirmSpawn\" type=\"b\" access=\"read\"/>\n" \
169 " <property name=\"ShowStatus\" type=\"b\" access=\"read\"/>\n" \
170 " <property name=\"UnitPath\" type=\"as\" access=\"read\"/>\n" \
171 " <property name=\"NotifySocket\" type=\"s\" access=\"read\"/>\n" \
172 " <property name=\"ControlGroupHierarchy\" type=\"s\" access=\"read\"/>\n" \
173 " <property name=\"MountAuto\" type=\"b\" access=\"read\"/>\n" \
174 " <property name=\"SwapAuto\" type=\"b\" access=\"read\"/>\n" \
175 " <property name=\"DefaultControllers\" type=\"as\" access=\"read\"/>\n" \
176 " <property name=\"DefaultStandardOutput\" type=\"s\" access=\"read\"/>\n" \
177 " <property name=\"DefaultStandardError\" type=\"s\" access=\"read\"/>\n"
179 #ifdef HAVE_SYSV_COMPAT
180 #define BUS_MANAGER_INTERFACE_PROPERTIES_SYSV \
181 " <property name=\"SysVConsole\" type=\"b\" access=\"read\"/>\n" \
182 " <property name=\"SysVInitPath\" type=\"as\" access=\"read\"/>\n" \
183 " <property name=\"SysVRcndPath\" type=\"as\" access=\"read\"/>\n"
185 #define BUS_MANAGER_INTERFACE_PROPERTIES_SYSV
188 #define BUS_MANAGER_INTERFACE_END \
191 #define BUS_MANAGER_INTERFACE \
192 BUS_MANAGER_INTERFACE_BEGIN \
193 BUS_MANAGER_INTERFACE_METHODS \
194 BUS_MANAGER_INTERFACE_SIGNALS \
195 BUS_MANAGER_INTERFACE_PROPERTIES_GENERAL \
196 BUS_MANAGER_INTERFACE_PROPERTIES_SYSV \
197 BUS_MANAGER_INTERFACE_END
199 #define INTROSPECTION_BEGIN \
200 DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
202 BUS_MANAGER_INTERFACE \
203 BUS_PROPERTIES_INTERFACE \
205 BUS_INTROSPECTABLE_INTERFACE
207 #define INTROSPECTION_END \
210 #define INTERFACES_LIST \
211 BUS_GENERIC_INTERFACES_LIST \
212 "org.freedesktop.systemd1.Manager\0"
214 const char bus_manager_interface[] _introspect_("Manager") = BUS_MANAGER_INTERFACE;
216 static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_manager_append_running_as, manager_running_as, ManagerRunningAs);
217 static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_manager_append_exec_output, exec_output, ExecOutput);
219 static int bus_manager_append_tainted(Manager *m, DBusMessageIter *i, const char *property, void *data) {
221 char buf[64] = "", *e = buf, *p = NULL;
228 e = stpcpy(e, "usr-separate-fs ");
230 if (readlink_malloc("/etc/mtab", &p) < 0)
231 e = stpcpy(e, "etc-mtab-not-symlink ");
235 if (access("/proc/cgroups", F_OK) < 0)
236 e = stpcpy(e, "cgroups-missing ");
240 if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t))
246 static int bus_manager_append_log_target(Manager *m, DBusMessageIter *i, const char *property, void *data) {
253 t = log_target_to_string(log_get_target());
255 if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t))
261 static int bus_manager_set_log_target(Manager *m, DBusMessageIter *i, const char *property) {
268 dbus_message_iter_get_basic(i, &t);
270 return log_set_target_from_string(t);
273 static int bus_manager_append_log_level(Manager *m, DBusMessageIter *i, const char *property, void *data) {
280 t = log_level_to_string(log_get_max_level());
282 if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t))
288 static int bus_manager_set_log_level(Manager *m, DBusMessageIter *i, const char *property) {
295 dbus_message_iter_get_basic(i, &t);
297 return log_set_max_level_from_string(t);
300 static int bus_manager_append_n_names(Manager *m, DBusMessageIter *i, const char *property, void *data) {
307 u = hashmap_size(m->units);
309 if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT32, &u))
315 static int bus_manager_append_n_jobs(Manager *m, DBusMessageIter *i, const char *property, void *data) {
322 u = hashmap_size(m->jobs);
324 if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT32, &u))
330 static int bus_manager_append_progress(Manager *m, DBusMessageIter *i, const char *property, void *data) {
337 if (dual_timestamp_is_set(&m->finish_timestamp))
340 d = 1.0 - ((double) hashmap_size(m->jobs) / (double) m->n_installed_jobs);
342 if (!dbus_message_iter_append_basic(i, DBUS_TYPE_DOUBLE, &d))
348 static const char *message_get_sender_with_fallback(DBusMessage *m) {
353 if ((s = dbus_message_get_sender(m)))
356 /* When the message came in from a direct connection the
357 * message will have no sender. We fix that here. */
362 static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection, DBusMessage *message, void *data) {
365 const BusProperty properties[] = {
366 { "org.freedesktop.systemd1.Manager", "Version", bus_property_append_string, "s", PACKAGE_STRING },
367 { "org.freedesktop.systemd1.Manager", "Distribution", bus_property_append_string, "s", DISTRIBUTION },
368 { "org.freedesktop.systemd1.Manager", "Features", bus_property_append_string, "s", SYSTEMD_FEATURES },
369 { "org.freedesktop.systemd1.Manager", "RunningAs", bus_manager_append_running_as, "s", &m->running_as },
370 { "org.freedesktop.systemd1.Manager", "Tainted", bus_manager_append_tainted, "s", m },
371 { "org.freedesktop.systemd1.Manager", "InitRDTimestamp", bus_property_append_uint64, "t", &m->initrd_timestamp.realtime },
372 { "org.freedesktop.systemd1.Manager", "StartupTimestamp", bus_property_append_uint64, "t", &m->startup_timestamp.realtime },
373 { "org.freedesktop.systemd1.Manager", "FinishTimestamp", bus_property_append_uint64, "t", &m->finish_timestamp.realtime },
374 { "org.freedesktop.systemd1.Manager", "LogLevel", bus_manager_append_log_level, "s", NULL, bus_manager_set_log_level},
375 { "org.freedesktop.systemd1.Manager", "LogTarget", bus_manager_append_log_target, "s", NULL, bus_manager_set_log_target},
376 { "org.freedesktop.systemd1.Manager", "NNames", bus_manager_append_n_names, "u", NULL },
377 { "org.freedesktop.systemd1.Manager", "NJobs", bus_manager_append_n_jobs, "u", NULL },
378 { "org.freedesktop.systemd1.Manager", "NInstalledJobs",bus_property_append_uint32, "u", &m->n_installed_jobs },
379 { "org.freedesktop.systemd1.Manager", "NFailedJobs", bus_property_append_uint32, "u", &m->n_failed_jobs },
380 { "org.freedesktop.systemd1.Manager", "Progress", bus_manager_append_progress, "d", NULL },
381 { "org.freedesktop.systemd1.Manager", "Environment", bus_property_append_strv, "as", m->environment },
382 { "org.freedesktop.systemd1.Manager", "ConfirmSpawn", bus_property_append_bool, "b", &m->confirm_spawn },
383 { "org.freedesktop.systemd1.Manager", "ShowStatus", bus_property_append_bool, "b", &m->show_status },
384 { "org.freedesktop.systemd1.Manager", "UnitPath", bus_property_append_strv, "as", m->lookup_paths.unit_path },
385 { "org.freedesktop.systemd1.Manager", "NotifySocket", bus_property_append_string, "s", m->notify_socket },
386 { "org.freedesktop.systemd1.Manager", "ControlGroupHierarchy", bus_property_append_string, "s", m->cgroup_hierarchy },
387 { "org.freedesktop.systemd1.Manager", "MountAuto", bus_property_append_bool, "b", &m->mount_auto },
388 { "org.freedesktop.systemd1.Manager", "SwapAuto", bus_property_append_bool, "b", &m->swap_auto },
389 { "org.freedesktop.systemd1.Manager", "DefaultControllers", bus_property_append_strv, "as", m->default_controllers },
390 { "org.freedesktop.systemd1.Manager", "DefaultStandardOutput", bus_manager_append_exec_output, "s", &m->default_std_output },
391 { "org.freedesktop.systemd1.Manager", "DefaultStandardError", bus_manager_append_exec_output, "s", &m->default_std_error },
392 #ifdef HAVE_SYSV_COMPAT
393 { "org.freedesktop.systemd1.Manager", "SysVConsole", bus_property_append_bool, "b", &m->sysv_console },
394 { "org.freedesktop.systemd1.Manager", "SysVInitPath", bus_property_append_strv, "as", m->lookup_paths.sysvinit_path },
395 { "org.freedesktop.systemd1.Manager", "SysVRcndPath", bus_property_append_strv, "as", m->lookup_paths.sysvrcnd_path },
397 { NULL, NULL, NULL, NULL, NULL }
402 DBusMessage *reply = NULL;
404 JobType job_type = _JOB_TYPE_INVALID;
405 bool reload_if_possible = false;
411 dbus_error_init(&error);
413 if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "GetUnit")) {
417 if (!dbus_message_get_args(
420 DBUS_TYPE_STRING, &name,
422 return bus_send_error_reply(m, connection, message, &error, -EINVAL);
424 if (!(u = manager_get_unit(m, name))) {
425 dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s is not loaded.", name);
426 return bus_send_error_reply(m, connection, message, &error, -ENOENT);
429 if (!(reply = dbus_message_new_method_return(message)))
432 if (!(path = unit_dbus_path(u)))
435 if (!dbus_message_append_args(
437 DBUS_TYPE_OBJECT_PATH, &path,
440 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "GetUnitByPID")) {
444 if (!dbus_message_get_args(
447 DBUS_TYPE_UINT32, &pid,
449 return bus_send_error_reply(m, connection, message, &error, -EINVAL);
451 if (!(u = cgroup_unit_by_pid(m, (pid_t) pid))) {
452 dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "No unit for PID %lu is loaded.", (unsigned long) pid);
453 return bus_send_error_reply(m, connection, message, &error, -ENOENT);
456 if (!(reply = dbus_message_new_method_return(message)))
459 if (!(path = unit_dbus_path(u)))
462 if (!dbus_message_append_args(
464 DBUS_TYPE_OBJECT_PATH, &path,
467 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "LoadUnit")) {
471 if (!dbus_message_get_args(
474 DBUS_TYPE_STRING, &name,
476 return bus_send_error_reply(m, connection, message, &error, -EINVAL);
478 if ((r = manager_load_unit(m, name, NULL, &error, &u)) < 0)
479 return bus_send_error_reply(m, connection, message, &error, r);
481 if (!(reply = dbus_message_new_method_return(message)))
484 if (!(path = unit_dbus_path(u)))
487 if (!dbus_message_append_args(
489 DBUS_TYPE_OBJECT_PATH, &path,
493 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "StartUnit"))
494 job_type = JOB_START;
495 else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "StartUnitReplace"))
496 job_type = JOB_START;
497 else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "StopUnit"))
499 else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ReloadUnit"))
500 job_type = JOB_RELOAD;
501 else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "RestartUnit"))
502 job_type = JOB_RESTART;
503 else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "TryRestartUnit"))
504 job_type = JOB_TRY_RESTART;
505 else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ReloadOrRestartUnit")) {
506 reload_if_possible = true;
507 job_type = JOB_RESTART;
508 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ReloadOrTryRestartUnit")) {
509 reload_if_possible = true;
510 job_type = JOB_TRY_RESTART;
511 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "KillUnit")) {
512 const char *name, *swho, *smode;
518 if (!dbus_message_get_args(
521 DBUS_TYPE_STRING, &name,
522 DBUS_TYPE_STRING, &swho,
523 DBUS_TYPE_STRING, &smode,
524 DBUS_TYPE_INT32, &signo,
526 return bus_send_error_reply(m, connection, message, &error, -EINVAL);
528 if ((mode = kill_mode_from_string(smode)) < 0 ||
529 (who = kill_who_from_string(swho)) < 0 ||
532 return bus_send_error_reply(m, connection, message, &error, -EINVAL);
534 if (!(u = manager_get_unit(m, name))) {
535 dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s is not loaded.", name);
536 return bus_send_error_reply(m, connection, message, &error, -ENOENT);
539 if ((r = unit_kill(u, who, mode, signo, &error)) < 0)
540 return bus_send_error_reply(m, connection, message, &error, r);
542 if (!(reply = dbus_message_new_method_return(message)))
545 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "GetJob")) {
549 if (!dbus_message_get_args(
552 DBUS_TYPE_UINT32, &id,
554 return bus_send_error_reply(m, connection, message, &error, -EINVAL);
556 if (!(j = manager_get_job(m, id))) {
557 dbus_set_error(&error, BUS_ERROR_NO_SUCH_JOB, "Job %u does not exist.", (unsigned) id);
558 return bus_send_error_reply(m, connection, message, &error, -ENOENT);
561 if (!(reply = dbus_message_new_method_return(message)))
564 if (!(path = job_dbus_path(j)))
567 if (!dbus_message_append_args(
569 DBUS_TYPE_OBJECT_PATH, &path,
573 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ClearJobs")) {
575 manager_clear_jobs(m);
577 if (!(reply = dbus_message_new_method_return(message)))
580 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ResetFailed")) {
582 manager_reset_failed(m);
584 if (!(reply = dbus_message_new_method_return(message)))
587 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ResetFailedUnit")) {
591 if (!dbus_message_get_args(
594 DBUS_TYPE_STRING, &name,
596 return bus_send_error_reply(m, connection, message, &error, -EINVAL);
598 if (!(u = manager_get_unit(m, name))) {
599 dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s is not loaded.", name);
600 return bus_send_error_reply(m, connection, message, &error, -ENOENT);
603 unit_reset_failed(u);
605 if (!(reply = dbus_message_new_method_return(message)))
608 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ListUnits")) {
609 DBusMessageIter iter, sub;
614 if (!(reply = dbus_message_new_method_return(message)))
617 dbus_message_iter_init_append(reply, &iter);
619 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(ssssssouso)", &sub))
622 HASHMAP_FOREACH_KEY(u, k, m->units, i) {
623 char *u_path, *j_path;
624 const char *description, *load_state, *active_state, *sub_state, *sjob_type, *following;
625 DBusMessageIter sub2;
632 if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
635 description = unit_description(u);
636 load_state = unit_load_state_to_string(u->meta.load_state);
637 active_state = unit_active_state_to_string(unit_active_state(u));
638 sub_state = unit_sub_state_to_string(u);
640 f = unit_following(u);
641 following = f ? f->meta.id : "";
643 if (!(u_path = unit_dbus_path(u)))
647 job_id = (uint32_t) u->meta.job->id;
649 if (!(j_path = job_dbus_path(u->meta.job))) {
654 sjob_type = job_type_to_string(u->meta.job->type);
661 if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &u->meta.id) ||
662 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &description) ||
663 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &load_state) ||
664 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &active_state) ||
665 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &sub_state) ||
666 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &following) ||
667 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &u_path) ||
668 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &job_id) ||
669 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &sjob_type) ||
670 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &j_path)) {
681 if (!dbus_message_iter_close_container(&sub, &sub2))
685 if (!dbus_message_iter_close_container(&iter, &sub))
688 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ListJobs")) {
689 DBusMessageIter iter, sub;
693 if (!(reply = dbus_message_new_method_return(message)))
696 dbus_message_iter_init_append(reply, &iter);
698 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(usssoo)", &sub))
701 HASHMAP_FOREACH(j, m->jobs, i) {
702 char *u_path, *j_path;
703 const char *state, *type;
705 DBusMessageIter sub2;
707 if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
710 id = (uint32_t) j->id;
711 state = job_state_to_string(j->state);
712 type = job_type_to_string(j->type);
714 if (!(j_path = job_dbus_path(j)))
717 if (!(u_path = unit_dbus_path(j->unit))) {
722 if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &id) ||
723 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &j->unit->meta.id) ||
724 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &type) ||
725 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &state) ||
726 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &j_path) ||
727 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &u_path)) {
736 if (!dbus_message_iter_close_container(&sub, &sub2))
740 if (!dbus_message_iter_close_container(&iter, &sub))
743 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Subscribe")) {
747 if (!(s = BUS_CONNECTION_SUBSCRIBED(m, connection))) {
748 if (!(s = set_new(string_hash_func, string_compare_func)))
751 if (!(dbus_connection_set_data(connection, m->subscribed_data_slot, s, NULL))) {
757 if (!(client = strdup(message_get_sender_with_fallback(message))))
760 if ((r = set_put(s, client)) < 0) {
762 return bus_send_error_reply(m, connection, message, NULL, r);
765 if (!(reply = dbus_message_new_method_return(message)))
768 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Unsubscribe")) {
771 if (!(client = set_remove(BUS_CONNECTION_SUBSCRIBED(m, connection), (char*) message_get_sender_with_fallback(message)))) {
772 dbus_set_error(&error, BUS_ERROR_NOT_SUBSCRIBED, "Client is not subscribed.");
773 return bus_send_error_reply(m, connection, message, &error, -ENOENT);
778 if (!(reply = dbus_message_new_method_return(message)))
781 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Dump")) {
786 if (!(reply = dbus_message_new_method_return(message)))
789 if (!(f = open_memstream(&dump, &size)))
792 manager_dump_units(m, f, NULL);
793 manager_dump_jobs(m, f, NULL);
803 if (!dbus_message_append_args(reply, DBUS_TYPE_STRING, &dump, DBUS_TYPE_INVALID)) {
809 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "CreateSnapshot")) {
814 if (!dbus_message_get_args(
817 DBUS_TYPE_STRING, &name,
818 DBUS_TYPE_BOOLEAN, &cleanup,
820 return bus_send_error_reply(m, connection, message, &error, -EINVAL);
822 if (name && name[0] == 0)
825 if ((r = snapshot_create(m, name, cleanup, &error, &s)) < 0)
826 return bus_send_error_reply(m, connection, message, &error, r);
828 if (!(reply = dbus_message_new_method_return(message)))
831 if (!(path = unit_dbus_path(UNIT(s))))
834 if (!dbus_message_append_args(
836 DBUS_TYPE_OBJECT_PATH, &path,
840 } else if (dbus_message_is_method_call(message, "org.freedesktop.DBus.Introspectable", "Introspect")) {
841 char *introspection = NULL;
849 if (!(reply = dbus_message_new_method_return(message)))
852 /* We roll our own introspection code here, instead of
853 * relying on bus_default_message_handler() because we
854 * need to generate our introspection string
857 if (!(f = open_memstream(&introspection, &size)))
860 fputs(INTROSPECTION_BEGIN, f);
862 HASHMAP_FOREACH_KEY(u, k, m->units, i) {
868 if (!(p = bus_path_escape(k))) {
874 fprintf(f, "<node name=\"unit/%s\"/>", p);
878 HASHMAP_FOREACH(j, m->jobs, i)
879 fprintf(f, "<node name=\"job/%lu\"/>", (unsigned long) j->id);
881 fputs(INTROSPECTION_END, f);
894 if (!dbus_message_append_args(reply, DBUS_TYPE_STRING, &introspection, DBUS_TYPE_INVALID)) {
901 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Reload")) {
903 assert(!m->queued_message);
905 /* Instead of sending the reply back right away, we
906 * just remember that we need to and then send it
907 * after the reload is finished. That way the caller
908 * knows when the reload finished. */
910 if (!(m->queued_message = dbus_message_new_method_return(message)))
913 m->queued_message_connection = connection;
914 m->exit_code = MANAGER_RELOAD;
916 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Reexecute")) {
918 if (!(reply = dbus_message_new_method_return(message)))
921 m->exit_code = MANAGER_REEXECUTE;
923 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Exit")) {
925 if (m->running_as == MANAGER_SYSTEM) {
926 dbus_set_error(&error, BUS_ERROR_NOT_SUPPORTED, "Exit is only supported for user service managers.");
927 return bus_send_error_reply(m, connection, message, &error, -ENOTSUP);
930 if (!(reply = dbus_message_new_method_return(message)))
933 m->exit_code = MANAGER_EXIT;
935 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Reboot")) {
937 if (m->running_as != MANAGER_SYSTEM) {
938 dbus_set_error(&error, BUS_ERROR_NOT_SUPPORTED, "Reboot is only supported for system managers.");
939 return bus_send_error_reply(m, connection, message, &error, -ENOTSUP);
942 if (!(reply = dbus_message_new_method_return(message)))
945 m->exit_code = MANAGER_REBOOT;
947 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "PowerOff")) {
949 if (m->running_as != MANAGER_SYSTEM) {
950 dbus_set_error(&error, BUS_ERROR_NOT_SUPPORTED, "Powering off is only supported for system managers.");
951 return bus_send_error_reply(m, connection, message, &error, -ENOTSUP);
954 if (!(reply = dbus_message_new_method_return(message)))
957 m->exit_code = MANAGER_POWEROFF;
959 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Halt")) {
961 if (m->running_as != MANAGER_SYSTEM) {
962 dbus_set_error(&error, BUS_ERROR_NOT_SUPPORTED, "Halting is only supported for system managers.");
963 return bus_send_error_reply(m, connection, message, &error, -ENOTSUP);
966 if (!(reply = dbus_message_new_method_return(message)))
969 m->exit_code = MANAGER_HALT;
971 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "KExec")) {
973 if (m->running_as != MANAGER_SYSTEM) {
974 dbus_set_error(&error, BUS_ERROR_NOT_SUPPORTED, "kexec is only supported for system managers.");
975 return bus_send_error_reply(m, connection, message, &error, -ENOTSUP);
978 if (!(reply = dbus_message_new_method_return(message)))
981 m->exit_code = MANAGER_KEXEC;
983 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "SetEnvironment")) {
984 char **l = NULL, **e = NULL;
986 if ((r = bus_parse_strv(message, &l)) < 0) {
990 return bus_send_error_reply(m, connection, message, NULL, r);
993 e = strv_env_merge(2, m->environment, l);
999 if (!(reply = dbus_message_new_method_return(message))) {
1004 strv_free(m->environment);
1007 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "UnsetEnvironment")) {
1008 char **l = NULL, **e = NULL;
1010 if ((r = bus_parse_strv(message, &l)) < 0) {
1014 return bus_send_error_reply(m, connection, message, NULL, r);
1017 e = strv_env_delete(m->environment, 1, l);
1023 if (!(reply = dbus_message_new_method_return(message))) {
1028 strv_free(m->environment);
1032 return bus_default_message_handler(m, connection, message, NULL, INTERFACES_LIST, properties);
1034 if (job_type != _JOB_TYPE_INVALID) {
1035 const char *name, *smode, *old_name = NULL;
1041 if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "StartUnitReplace"))
1042 b = dbus_message_get_args(
1045 DBUS_TYPE_STRING, &old_name,
1046 DBUS_TYPE_STRING, &name,
1047 DBUS_TYPE_STRING, &smode,
1050 b = dbus_message_get_args(
1053 DBUS_TYPE_STRING, &name,
1054 DBUS_TYPE_STRING, &smode,
1058 return bus_send_error_reply(m, connection, message, &error, -EINVAL);
1061 if (!(u = manager_get_unit(m, old_name)) ||
1063 u->meta.job->type != JOB_START) {
1064 dbus_set_error(&error, BUS_ERROR_NO_SUCH_JOB, "No job queued for unit %s", old_name);
1065 return bus_send_error_reply(m, connection, message, &error, -ENOENT);
1069 if ((mode = job_mode_from_string(smode)) == _JOB_MODE_INVALID) {
1070 dbus_set_error(&error, BUS_ERROR_INVALID_JOB_MODE, "Job mode %s is invalid.", smode);
1071 return bus_send_error_reply(m, connection, message, &error, -EINVAL);
1074 if ((r = manager_load_unit(m, name, NULL, &error, &u)) < 0)
1075 return bus_send_error_reply(m, connection, message, &error, r);
1077 if (reload_if_possible && unit_can_reload(u)) {
1078 if (job_type == JOB_RESTART)
1079 job_type = JOB_RELOAD_OR_START;
1080 else if (job_type == JOB_TRY_RESTART)
1081 job_type = JOB_RELOAD;
1084 if ((job_type == JOB_START && u->meta.refuse_manual_start) ||
1085 (job_type == JOB_STOP && u->meta.refuse_manual_stop) ||
1086 ((job_type == JOB_RESTART || job_type == JOB_TRY_RESTART) &&
1087 (u->meta.refuse_manual_start || u->meta.refuse_manual_stop))) {
1088 dbus_set_error(&error, BUS_ERROR_ONLY_BY_DEPENDENCY, "Operation refused, may be requested by dependency only.");
1089 return bus_send_error_reply(m, connection, message, &error, -EPERM);
1092 if ((r = manager_add_job(m, job_type, u, mode, true, &error, &j)) < 0)
1093 return bus_send_error_reply(m, connection, message, &error, r);
1095 if (!(j->bus_client = strdup(message_get_sender_with_fallback(message))))
1098 j->bus = connection;
1100 if (!(reply = dbus_message_new_method_return(message)))
1103 if (!(path = job_dbus_path(j)))
1106 if (!dbus_message_append_args(
1108 DBUS_TYPE_OBJECT_PATH, &path,
1114 if (!dbus_connection_send(connection, reply, NULL))
1117 dbus_message_unref(reply);
1122 return DBUS_HANDLER_RESULT_HANDLED;
1128 dbus_message_unref(reply);
1130 dbus_error_free(&error);
1132 return DBUS_HANDLER_RESULT_NEED_MEMORY;
1135 const DBusObjectPathVTable bus_manager_vtable = {
1136 .message_function = bus_manager_message_handler