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"
31 #include "dbus-common.h"
33 #define BUS_MANAGER_INTERFACE_BEGIN \
34 " <interface name=\"org.freedesktop.systemd1.Manager\">\n"
36 #define BUS_MANAGER_INTERFACE_METHODS \
37 " <method name=\"GetUnit\">\n" \
38 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
39 " <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n" \
41 " <method name=\"GetUnitByPID\">\n" \
42 " <arg name=\"pid\" type=\"u\" direction=\"in\"/>\n" \
43 " <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n" \
45 " <method name=\"LoadUnit\">\n" \
46 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
47 " <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n" \
49 " <method name=\"StartUnit\">\n" \
50 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
51 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
52 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
54 " <method name=\"StartUnitReplace\">\n" \
55 " <arg name=\"old_unit\" type=\"s\" direction=\"in\"/>\n" \
56 " <arg name=\"new_unit\" 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=\"StopUnit\">\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=\"ReloadUnit\">\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=\"RestartUnit\">\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=\"TryRestartUnit\">\n" \
76 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
77 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
78 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
80 " <method name=\"ReloadOrRestartUnit\">\n" \
81 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
82 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
83 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
85 " <method name=\"ReloadOrTryRestartUnit\">\n" \
86 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
87 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
88 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
90 " <method name=\"KillUnit\">\n" \
91 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
92 " <arg name=\"who\" type=\"s\" direction=\"in\"/>\n" \
93 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
94 " <arg name=\"signal\" type=\"i\" direction=\"in\"/>\n" \
96 " <method name=\"ResetFailedUnit\">\n" \
97 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
99 " <method name=\"GetJob\">\n" \
100 " <arg name=\"id\" type=\"u\" direction=\"in\"/>\n" \
101 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
103 " <method name=\"ClearJobs\"/>\n" \
104 " <method name=\"ResetFailed\"/>\n" \
105 " <method name=\"ListUnits\">\n" \
106 " <arg name=\"units\" type=\"a(ssssssouso)\" direction=\"out\"/>\n" \
108 " <method name=\"ListJobs\">\n" \
109 " <arg name=\"jobs\" type=\"a(usssoo)\" direction=\"out\"/>\n" \
111 " <method name=\"Subscribe\"/>\n" \
112 " <method name=\"Unsubscribe\"/>\n" \
113 " <method name=\"Dump\"/>\n" \
114 " <method name=\"CreateSnapshot\">\n" \
115 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
116 " <arg name=\"cleanup\" type=\"b\" direction=\"in\"/>\n" \
117 " <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n" \
119 " <method name=\"Reload\"/>\n" \
120 " <method name=\"Reexecute\"/>\n" \
121 " <method name=\"Exit\"/>\n" \
122 " <method name=\"Reboot\"/>\n" \
123 " <method name=\"PowerOff\"/>\n" \
124 " <method name=\"Halt\"/>\n" \
125 " <method name=\"KExec\"/>\n" \
126 " <method name=\"SetEnvironment\">\n" \
127 " <arg name=\"names\" type=\"as\" direction=\"in\"/>\n" \
129 " <method name=\"UnsetEnvironment\">\n" \
130 " <arg name=\"names\" type=\"as\" direction=\"in\"/>\n" \
133 #define BUS_MANAGER_INTERFACE_SIGNALS \
134 " <signal name=\"UnitNew\">\n" \
135 " <arg name=\"id\" type=\"s\"/>\n" \
136 " <arg name=\"unit\" type=\"o\"/>\n" \
138 " <signal name=\"UnitRemoved\">\n" \
139 " <arg name=\"id\" type=\"s\"/>\n" \
140 " <arg name=\"unit\" type=\"o\"/>\n" \
142 " <signal name=\"JobNew\">\n" \
143 " <arg name=\"id\" type=\"u\"/>\n" \
144 " <arg name=\"job\" type=\"o\"/>\n" \
146 " <signal name=\"JobRemoved\">\n" \
147 " <arg name=\"id\" type=\"u\"/>\n" \
148 " <arg name=\"job\" type=\"o\"/>\n" \
149 " <arg name=\"result\" type=\"s\"/>\n" \
152 #define BUS_MANAGER_INTERFACE_PROPERTIES_GENERAL \
153 " <property name=\"Version\" type=\"s\" access=\"read\"/>\n" \
154 " <property name=\"Distribution\" type=\"s\" access=\"read\"/>\n" \
155 " <property name=\"Features\" type=\"s\" access=\"read\"/>\n" \
156 " <property name=\"Tainted\" type=\"s\" access=\"read\"/>\n" \
157 " <property name=\"RunningAs\" type=\"s\" access=\"read\"/>\n" \
158 " <property name=\"InitRDTimestamp\" type=\"t\" access=\"read\"/>\n" \
159 " <property name=\"InitRDTimestampMonotonic\" type=\"t\" access=\"read\"/>\n" \
160 " <property name=\"StartupTimestamp\" type=\"t\" access=\"read\"/>\n" \
161 " <property name=\"StartupTimestampMonotonic\" type=\"t\" access=\"read\"/>\n" \
162 " <property name=\"FinishTimestamp\" type=\"t\" access=\"read\"/>\n" \
163 " <property name=\"FinishTimestampMonotonic\" type=\"t\" access=\"read\"/>\n" \
164 " <property name=\"LogLevel\" type=\"s\" access=\"readwrite\"/>\n" \
165 " <property name=\"LogTarget\" type=\"s\" access=\"readwrite\"/>\n" \
166 " <property name=\"NNames\" type=\"u\" access=\"read\"/>\n" \
167 " <property name=\"NJobs\" type=\"u\" access=\"read\"/>\n" \
168 " <property name=\"NInstalledJobs\" type=\"u\" access=\"read\"/>\n" \
169 " <property name=\"NFailedJobs\" type=\"u\" access=\"read\"/>\n" \
170 " <property name=\"Progress\" type=\"d\" access=\"read\"/>\n" \
171 " <property name=\"Environment\" type=\"as\" access=\"read\"/>\n" \
172 " <property name=\"ConfirmSpawn\" type=\"b\" access=\"read\"/>\n" \
173 " <property name=\"ShowStatus\" type=\"b\" access=\"read\"/>\n" \
174 " <property name=\"UnitPath\" type=\"as\" access=\"read\"/>\n" \
175 " <property name=\"NotifySocket\" type=\"s\" access=\"read\"/>\n" \
176 " <property name=\"ControlGroupHierarchy\" type=\"s\" access=\"read\"/>\n" \
177 " <property name=\"MountAuto\" type=\"b\" access=\"read\"/>\n" \
178 " <property name=\"SwapAuto\" type=\"b\" access=\"read\"/>\n" \
179 " <property name=\"DefaultControllers\" type=\"as\" access=\"read\"/>\n" \
180 " <property name=\"DefaultStandardOutput\" type=\"s\" access=\"read\"/>\n" \
181 " <property name=\"DefaultStandardError\" type=\"s\" access=\"read\"/>\n"
183 #ifdef HAVE_SYSV_COMPAT
184 #define BUS_MANAGER_INTERFACE_PROPERTIES_SYSV \
185 " <property name=\"SysVConsole\" type=\"b\" access=\"read\"/>\n" \
186 " <property name=\"SysVInitPath\" type=\"as\" access=\"read\"/>\n" \
187 " <property name=\"SysVRcndPath\" type=\"as\" access=\"read\"/>\n"
189 #define BUS_MANAGER_INTERFACE_PROPERTIES_SYSV
192 #define BUS_MANAGER_INTERFACE_END \
195 #define BUS_MANAGER_INTERFACE \
196 BUS_MANAGER_INTERFACE_BEGIN \
197 BUS_MANAGER_INTERFACE_METHODS \
198 BUS_MANAGER_INTERFACE_SIGNALS \
199 BUS_MANAGER_INTERFACE_PROPERTIES_GENERAL \
200 BUS_MANAGER_INTERFACE_PROPERTIES_SYSV \
201 BUS_MANAGER_INTERFACE_END
203 #define INTROSPECTION_BEGIN \
204 DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
206 BUS_MANAGER_INTERFACE \
207 BUS_PROPERTIES_INTERFACE \
209 BUS_INTROSPECTABLE_INTERFACE
211 #define INTROSPECTION_END \
214 #define INTERFACES_LIST \
215 BUS_GENERIC_INTERFACES_LIST \
216 "org.freedesktop.systemd1.Manager\0"
218 const char bus_manager_interface[] _introspect_("Manager") = BUS_MANAGER_INTERFACE;
220 static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_manager_append_running_as, manager_running_as, ManagerRunningAs);
221 static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_manager_append_exec_output, exec_output, ExecOutput);
223 static int bus_manager_append_tainted(DBusMessageIter *i, const char *property, void *data) {
226 char buf[LINE_MAX] = "", *e = buf, *p = NULL;
233 e = stpcpy(e, "usr-separate-fs ");
235 if (readlink_malloc("/etc/mtab", &p) < 0)
236 e = stpcpy(e, "etc-mtab-not-symlink ");
240 if (access("/proc/cgroups", F_OK) < 0)
241 e = stpcpy(e, "cgroups-missing ");
245 if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t))
251 static int bus_manager_append_log_target(DBusMessageIter *i, const char *property, void *data) {
257 t = log_target_to_string(log_get_target());
259 if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t))
265 static int bus_manager_set_log_target(DBusMessageIter *i, const char *property) {
271 dbus_message_iter_get_basic(i, &t);
273 return log_set_target_from_string(t);
276 static int bus_manager_append_log_level(DBusMessageIter *i, const char *property, void *data) {
282 t = log_level_to_string(log_get_max_level());
284 if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t))
290 static int bus_manager_set_log_level(DBusMessageIter *i, const char *property) {
296 dbus_message_iter_get_basic(i, &t);
298 return log_set_max_level_from_string(t);
301 static int bus_manager_append_n_names(DBusMessageIter *i, const char *property, void *data) {
309 u = hashmap_size(m->units);
311 if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT32, &u))
317 static int bus_manager_append_n_jobs(DBusMessageIter *i, const char *property, void *data) {
325 u = hashmap_size(m->jobs);
327 if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT32, &u))
333 static int bus_manager_append_progress(DBusMessageIter *i, const char *property, void *data) {
341 if (dual_timestamp_is_set(&m->finish_timestamp))
344 d = 1.0 - ((double) hashmap_size(m->jobs) / (double) m->n_installed_jobs);
346 if (!dbus_message_iter_append_basic(i, DBUS_TYPE_DOUBLE, &d))
352 static const char *message_get_sender_with_fallback(DBusMessage *m) {
357 if ((s = dbus_message_get_sender(m)))
360 /* When the message came in from a direct connection the
361 * message will have no sender. We fix that here. */
366 static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection, DBusMessage *message, void *data) {
369 const BusProperty properties[] = {
370 { "org.freedesktop.systemd1.Manager", "Version", bus_property_append_string, "s", PACKAGE_STRING },
371 { "org.freedesktop.systemd1.Manager", "Distribution", bus_property_append_string, "s", DISTRIBUTION },
372 { "org.freedesktop.systemd1.Manager", "Features", bus_property_append_string, "s", SYSTEMD_FEATURES },
373 { "org.freedesktop.systemd1.Manager", "RunningAs", bus_manager_append_running_as, "s", &m->running_as },
374 { "org.freedesktop.systemd1.Manager", "Tainted", bus_manager_append_tainted, "s", m },
375 { "org.freedesktop.systemd1.Manager", "InitRDTimestamp", bus_property_append_uint64, "t", &m->initrd_timestamp.realtime },
376 { "org.freedesktop.systemd1.Manager", "InitRDTimestampMonotonic", bus_property_append_uint64, "t", &m->initrd_timestamp.monotonic },
377 { "org.freedesktop.systemd1.Manager", "StartupTimestamp", bus_property_append_uint64, "t", &m->startup_timestamp.realtime },
378 { "org.freedesktop.systemd1.Manager", "StartupTimestampMonotonic", bus_property_append_uint64, "t", &m->startup_timestamp.monotonic },
379 { "org.freedesktop.systemd1.Manager", "FinishTimestamp", bus_property_append_uint64, "t", &m->finish_timestamp.realtime },
380 { "org.freedesktop.systemd1.Manager", "FinishTimestampMonotonic", bus_property_append_uint64, "t",&m->finish_timestamp.monotonic },
381 { "org.freedesktop.systemd1.Manager", "LogLevel", bus_manager_append_log_level, "s", m, bus_manager_set_log_level },
382 { "org.freedesktop.systemd1.Manager", "LogTarget", bus_manager_append_log_target, "s", m, bus_manager_set_log_target },
383 { "org.freedesktop.systemd1.Manager", "NNames", bus_manager_append_n_names, "u", m },
384 { "org.freedesktop.systemd1.Manager", "NJobs", bus_manager_append_n_jobs, "u", NULL },
385 { "org.freedesktop.systemd1.Manager", "NInstalledJobs",bus_property_append_uint32, "u", &m->n_installed_jobs },
386 { "org.freedesktop.systemd1.Manager", "NFailedJobs", bus_property_append_uint32, "u", &m->n_failed_jobs },
387 { "org.freedesktop.systemd1.Manager", "Progress", bus_manager_append_progress, "d", m },
388 { "org.freedesktop.systemd1.Manager", "Environment", bus_property_append_strv, "as", m->environment },
389 { "org.freedesktop.systemd1.Manager", "ConfirmSpawn", bus_property_append_bool, "b", &m->confirm_spawn },
390 { "org.freedesktop.systemd1.Manager", "ShowStatus", bus_property_append_bool, "b", &m->show_status },
391 { "org.freedesktop.systemd1.Manager", "UnitPath", bus_property_append_strv, "as", m->lookup_paths.unit_path },
392 { "org.freedesktop.systemd1.Manager", "NotifySocket", bus_property_append_string, "s", m->notify_socket },
393 { "org.freedesktop.systemd1.Manager", "ControlGroupHierarchy", bus_property_append_string, "s", m->cgroup_hierarchy },
394 { "org.freedesktop.systemd1.Manager", "MountAuto", bus_property_append_bool, "b", &m->mount_auto },
395 { "org.freedesktop.systemd1.Manager", "SwapAuto", bus_property_append_bool, "b", &m->swap_auto },
396 { "org.freedesktop.systemd1.Manager", "DefaultControllers", bus_property_append_strv, "as", m->default_controllers },
397 { "org.freedesktop.systemd1.Manager", "DefaultStandardOutput", bus_manager_append_exec_output, "s", &m->default_std_output },
398 { "org.freedesktop.systemd1.Manager", "DefaultStandardError", bus_manager_append_exec_output, "s", &m->default_std_error },
399 #ifdef HAVE_SYSV_COMPAT
400 { "org.freedesktop.systemd1.Manager", "SysVConsole", bus_property_append_bool, "b", &m->sysv_console },
401 { "org.freedesktop.systemd1.Manager", "SysVInitPath", bus_property_append_strv, "as", m->lookup_paths.sysvinit_path },
402 { "org.freedesktop.systemd1.Manager", "SysVRcndPath", bus_property_append_strv, "as", m->lookup_paths.sysvrcnd_path },
404 { NULL, NULL, NULL, NULL, NULL }
409 DBusMessage *reply = NULL;
411 JobType job_type = _JOB_TYPE_INVALID;
412 bool reload_if_possible = false;
418 dbus_error_init(&error);
420 if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "GetUnit")) {
424 if (!dbus_message_get_args(
427 DBUS_TYPE_STRING, &name,
429 return bus_send_error_reply(connection, message, &error, -EINVAL);
431 if (!(u = manager_get_unit(m, name))) {
432 dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s is not loaded.", name);
433 return bus_send_error_reply(connection, message, &error, -ENOENT);
436 if (!(reply = dbus_message_new_method_return(message)))
439 if (!(path = unit_dbus_path(u)))
442 if (!dbus_message_append_args(
444 DBUS_TYPE_OBJECT_PATH, &path,
447 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "GetUnitByPID")) {
451 if (!dbus_message_get_args(
454 DBUS_TYPE_UINT32, &pid,
456 return bus_send_error_reply(connection, message, &error, -EINVAL);
458 if (!(u = cgroup_unit_by_pid(m, (pid_t) pid))) {
459 dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "No unit for PID %lu is loaded.", (unsigned long) pid);
460 return bus_send_error_reply(connection, message, &error, -ENOENT);
463 if (!(reply = dbus_message_new_method_return(message)))
466 if (!(path = unit_dbus_path(u)))
469 if (!dbus_message_append_args(
471 DBUS_TYPE_OBJECT_PATH, &path,
474 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "LoadUnit")) {
478 if (!dbus_message_get_args(
481 DBUS_TYPE_STRING, &name,
483 return bus_send_error_reply(connection, message, &error, -EINVAL);
485 if ((r = manager_load_unit(m, name, NULL, &error, &u)) < 0)
486 return bus_send_error_reply(connection, message, &error, r);
488 if (!(reply = dbus_message_new_method_return(message)))
491 if (!(path = unit_dbus_path(u)))
494 if (!dbus_message_append_args(
496 DBUS_TYPE_OBJECT_PATH, &path,
500 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "StartUnit"))
501 job_type = JOB_START;
502 else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "StartUnitReplace"))
503 job_type = JOB_START;
504 else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "StopUnit"))
506 else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ReloadUnit"))
507 job_type = JOB_RELOAD;
508 else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "RestartUnit"))
509 job_type = JOB_RESTART;
510 else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "TryRestartUnit"))
511 job_type = JOB_TRY_RESTART;
512 else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ReloadOrRestartUnit")) {
513 reload_if_possible = true;
514 job_type = JOB_RESTART;
515 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ReloadOrTryRestartUnit")) {
516 reload_if_possible = true;
517 job_type = JOB_TRY_RESTART;
518 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "KillUnit")) {
519 const char *name, *swho, *smode;
525 if (!dbus_message_get_args(
528 DBUS_TYPE_STRING, &name,
529 DBUS_TYPE_STRING, &swho,
530 DBUS_TYPE_STRING, &smode,
531 DBUS_TYPE_INT32, &signo,
533 return bus_send_error_reply(connection, message, &error, -EINVAL);
535 if ((mode = kill_mode_from_string(smode)) < 0 ||
536 (who = kill_who_from_string(swho)) < 0 ||
539 return bus_send_error_reply(connection, message, &error, -EINVAL);
541 if (!(u = manager_get_unit(m, name))) {
542 dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s is not loaded.", name);
543 return bus_send_error_reply(connection, message, &error, -ENOENT);
546 if ((r = unit_kill(u, who, mode, signo, &error)) < 0)
547 return bus_send_error_reply(connection, message, &error, r);
549 if (!(reply = dbus_message_new_method_return(message)))
552 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "GetJob")) {
556 if (!dbus_message_get_args(
559 DBUS_TYPE_UINT32, &id,
561 return bus_send_error_reply(connection, message, &error, -EINVAL);
563 if (!(j = manager_get_job(m, id))) {
564 dbus_set_error(&error, BUS_ERROR_NO_SUCH_JOB, "Job %u does not exist.", (unsigned) id);
565 return bus_send_error_reply(connection, message, &error, -ENOENT);
568 if (!(reply = dbus_message_new_method_return(message)))
571 if (!(path = job_dbus_path(j)))
574 if (!dbus_message_append_args(
576 DBUS_TYPE_OBJECT_PATH, &path,
580 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ClearJobs")) {
582 manager_clear_jobs(m);
584 if (!(reply = dbus_message_new_method_return(message)))
587 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ResetFailed")) {
589 manager_reset_failed(m);
591 if (!(reply = dbus_message_new_method_return(message)))
594 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ResetFailedUnit")) {
598 if (!dbus_message_get_args(
601 DBUS_TYPE_STRING, &name,
603 return bus_send_error_reply(connection, message, &error, -EINVAL);
605 if (!(u = manager_get_unit(m, name))) {
606 dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s is not loaded.", name);
607 return bus_send_error_reply(connection, message, &error, -ENOENT);
610 unit_reset_failed(u);
612 if (!(reply = dbus_message_new_method_return(message)))
615 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ListUnits")) {
616 DBusMessageIter iter, sub;
621 if (!(reply = dbus_message_new_method_return(message)))
624 dbus_message_iter_init_append(reply, &iter);
626 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(ssssssouso)", &sub))
629 HASHMAP_FOREACH_KEY(u, k, m->units, i) {
630 char *u_path, *j_path;
631 const char *description, *load_state, *active_state, *sub_state, *sjob_type, *following;
632 DBusMessageIter sub2;
639 if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
642 description = unit_description(u);
643 load_state = unit_load_state_to_string(u->meta.load_state);
644 active_state = unit_active_state_to_string(unit_active_state(u));
645 sub_state = unit_sub_state_to_string(u);
647 f = unit_following(u);
648 following = f ? f->meta.id : "";
650 if (!(u_path = unit_dbus_path(u)))
654 job_id = (uint32_t) u->meta.job->id;
656 if (!(j_path = job_dbus_path(u->meta.job))) {
661 sjob_type = job_type_to_string(u->meta.job->type);
668 if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &u->meta.id) ||
669 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &description) ||
670 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &load_state) ||
671 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &active_state) ||
672 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &sub_state) ||
673 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &following) ||
674 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &u_path) ||
675 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &job_id) ||
676 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &sjob_type) ||
677 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &j_path)) {
688 if (!dbus_message_iter_close_container(&sub, &sub2))
692 if (!dbus_message_iter_close_container(&iter, &sub))
695 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ListJobs")) {
696 DBusMessageIter iter, sub;
700 if (!(reply = dbus_message_new_method_return(message)))
703 dbus_message_iter_init_append(reply, &iter);
705 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(usssoo)", &sub))
708 HASHMAP_FOREACH(j, m->jobs, i) {
709 char *u_path, *j_path;
710 const char *state, *type;
712 DBusMessageIter sub2;
714 if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
717 id = (uint32_t) j->id;
718 state = job_state_to_string(j->state);
719 type = job_type_to_string(j->type);
721 if (!(j_path = job_dbus_path(j)))
724 if (!(u_path = unit_dbus_path(j->unit))) {
729 if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &id) ||
730 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &j->unit->meta.id) ||
731 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &type) ||
732 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &state) ||
733 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &j_path) ||
734 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &u_path)) {
743 if (!dbus_message_iter_close_container(&sub, &sub2))
747 if (!dbus_message_iter_close_container(&iter, &sub))
750 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Subscribe")) {
754 if (!(s = BUS_CONNECTION_SUBSCRIBED(m, connection))) {
755 if (!(s = set_new(string_hash_func, string_compare_func)))
758 if (!(dbus_connection_set_data(connection, m->subscribed_data_slot, s, NULL))) {
764 if (!(client = strdup(message_get_sender_with_fallback(message))))
767 if ((r = set_put(s, client)) < 0) {
769 return bus_send_error_reply(connection, message, NULL, r);
772 if (!(reply = dbus_message_new_method_return(message)))
775 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Unsubscribe")) {
778 if (!(client = set_remove(BUS_CONNECTION_SUBSCRIBED(m, connection), (char*) message_get_sender_with_fallback(message)))) {
779 dbus_set_error(&error, BUS_ERROR_NOT_SUBSCRIBED, "Client is not subscribed.");
780 return bus_send_error_reply(connection, message, &error, -ENOENT);
785 if (!(reply = dbus_message_new_method_return(message)))
788 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Dump")) {
793 if (!(reply = dbus_message_new_method_return(message)))
796 if (!(f = open_memstream(&dump, &size)))
799 manager_dump_units(m, f, NULL);
800 manager_dump_jobs(m, f, NULL);
810 if (!dbus_message_append_args(reply, DBUS_TYPE_STRING, &dump, DBUS_TYPE_INVALID)) {
816 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "CreateSnapshot")) {
821 if (!dbus_message_get_args(
824 DBUS_TYPE_STRING, &name,
825 DBUS_TYPE_BOOLEAN, &cleanup,
827 return bus_send_error_reply(connection, message, &error, -EINVAL);
829 if (name && name[0] == 0)
832 if ((r = snapshot_create(m, name, cleanup, &error, &s)) < 0)
833 return bus_send_error_reply(connection, message, &error, r);
835 if (!(reply = dbus_message_new_method_return(message)))
838 if (!(path = unit_dbus_path(UNIT(s))))
841 if (!dbus_message_append_args(
843 DBUS_TYPE_OBJECT_PATH, &path,
847 } else if (dbus_message_is_method_call(message, "org.freedesktop.DBus.Introspectable", "Introspect")) {
848 char *introspection = NULL;
856 if (!(reply = dbus_message_new_method_return(message)))
859 /* We roll our own introspection code here, instead of
860 * relying on bus_default_message_handler() because we
861 * need to generate our introspection string
864 if (!(f = open_memstream(&introspection, &size)))
867 fputs(INTROSPECTION_BEGIN, f);
869 HASHMAP_FOREACH_KEY(u, k, m->units, i) {
875 if (!(p = bus_path_escape(k))) {
881 fprintf(f, "<node name=\"unit/%s\"/>", p);
885 HASHMAP_FOREACH(j, m->jobs, i)
886 fprintf(f, "<node name=\"job/%lu\"/>", (unsigned long) j->id);
888 fputs(INTROSPECTION_END, f);
901 if (!dbus_message_append_args(reply, DBUS_TYPE_STRING, &introspection, DBUS_TYPE_INVALID)) {
908 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Reload")) {
910 assert(!m->queued_message);
912 /* Instead of sending the reply back right away, we
913 * just remember that we need to and then send it
914 * after the reload is finished. That way the caller
915 * knows when the reload finished. */
917 if (!(m->queued_message = dbus_message_new_method_return(message)))
920 m->queued_message_connection = connection;
921 m->exit_code = MANAGER_RELOAD;
923 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Reexecute")) {
925 if (!(reply = dbus_message_new_method_return(message)))
928 m->exit_code = MANAGER_REEXECUTE;
930 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Exit")) {
932 if (m->running_as == MANAGER_SYSTEM) {
933 dbus_set_error(&error, BUS_ERROR_NOT_SUPPORTED, "Exit is only supported for user service managers.");
934 return bus_send_error_reply(connection, message, &error, -ENOTSUP);
937 if (!(reply = dbus_message_new_method_return(message)))
940 m->exit_code = MANAGER_EXIT;
942 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Reboot")) {
944 if (m->running_as != MANAGER_SYSTEM) {
945 dbus_set_error(&error, BUS_ERROR_NOT_SUPPORTED, "Reboot is only supported for system managers.");
946 return bus_send_error_reply(connection, message, &error, -ENOTSUP);
949 if (!(reply = dbus_message_new_method_return(message)))
952 m->exit_code = MANAGER_REBOOT;
954 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "PowerOff")) {
956 if (m->running_as != MANAGER_SYSTEM) {
957 dbus_set_error(&error, BUS_ERROR_NOT_SUPPORTED, "Powering off is only supported for system managers.");
958 return bus_send_error_reply(connection, message, &error, -ENOTSUP);
961 if (!(reply = dbus_message_new_method_return(message)))
964 m->exit_code = MANAGER_POWEROFF;
966 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Halt")) {
968 if (m->running_as != MANAGER_SYSTEM) {
969 dbus_set_error(&error, BUS_ERROR_NOT_SUPPORTED, "Halting is only supported for system managers.");
970 return bus_send_error_reply(connection, message, &error, -ENOTSUP);
973 if (!(reply = dbus_message_new_method_return(message)))
976 m->exit_code = MANAGER_HALT;
978 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "KExec")) {
980 if (m->running_as != MANAGER_SYSTEM) {
981 dbus_set_error(&error, BUS_ERROR_NOT_SUPPORTED, "kexec is only supported for system managers.");
982 return bus_send_error_reply(connection, message, &error, -ENOTSUP);
985 if (!(reply = dbus_message_new_method_return(message)))
988 m->exit_code = MANAGER_KEXEC;
990 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "SetEnvironment")) {
991 char **l = NULL, **e = NULL;
993 if ((r = bus_parse_strv(message, &l)) < 0) {
997 return bus_send_error_reply(connection, message, NULL, r);
1000 e = strv_env_merge(2, m->environment, l);
1006 if (!(reply = dbus_message_new_method_return(message))) {
1011 strv_free(m->environment);
1014 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "UnsetEnvironment")) {
1015 char **l = NULL, **e = NULL;
1017 if ((r = bus_parse_strv(message, &l)) < 0) {
1021 return bus_send_error_reply(connection, message, NULL, r);
1024 e = strv_env_delete(m->environment, 1, l);
1030 if (!(reply = dbus_message_new_method_return(message))) {
1035 strv_free(m->environment);
1039 return bus_default_message_handler(connection, message, NULL, INTERFACES_LIST, properties);
1041 if (job_type != _JOB_TYPE_INVALID) {
1042 const char *name, *smode, *old_name = NULL;
1048 if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "StartUnitReplace"))
1049 b = dbus_message_get_args(
1052 DBUS_TYPE_STRING, &old_name,
1053 DBUS_TYPE_STRING, &name,
1054 DBUS_TYPE_STRING, &smode,
1057 b = dbus_message_get_args(
1060 DBUS_TYPE_STRING, &name,
1061 DBUS_TYPE_STRING, &smode,
1065 return bus_send_error_reply(connection, message, &error, -EINVAL);
1068 if (!(u = manager_get_unit(m, old_name)) ||
1070 u->meta.job->type != JOB_START) {
1071 dbus_set_error(&error, BUS_ERROR_NO_SUCH_JOB, "No job queued for unit %s", old_name);
1072 return bus_send_error_reply(connection, message, &error, -ENOENT);
1076 if ((mode = job_mode_from_string(smode)) == _JOB_MODE_INVALID) {
1077 dbus_set_error(&error, BUS_ERROR_INVALID_JOB_MODE, "Job mode %s is invalid.", smode);
1078 return bus_send_error_reply(connection, message, &error, -EINVAL);
1081 if ((r = manager_load_unit(m, name, NULL, &error, &u)) < 0)
1082 return bus_send_error_reply(connection, message, &error, r);
1084 if (reload_if_possible && unit_can_reload(u)) {
1085 if (job_type == JOB_RESTART)
1086 job_type = JOB_RELOAD_OR_START;
1087 else if (job_type == JOB_TRY_RESTART)
1088 job_type = JOB_RELOAD;
1091 if ((job_type == JOB_START && u->meta.refuse_manual_start) ||
1092 (job_type == JOB_STOP && u->meta.refuse_manual_stop) ||
1093 ((job_type == JOB_RESTART || job_type == JOB_TRY_RESTART) &&
1094 (u->meta.refuse_manual_start || u->meta.refuse_manual_stop))) {
1095 dbus_set_error(&error, BUS_ERROR_ONLY_BY_DEPENDENCY, "Operation refused, may be requested by dependency only.");
1096 return bus_send_error_reply(connection, message, &error, -EPERM);
1099 if ((r = manager_add_job(m, job_type, u, mode, true, &error, &j)) < 0)
1100 return bus_send_error_reply(connection, message, &error, r);
1102 if (!(j->bus_client = strdup(message_get_sender_with_fallback(message))))
1105 j->bus = connection;
1107 if (!(reply = dbus_message_new_method_return(message)))
1110 if (!(path = job_dbus_path(j)))
1113 if (!dbus_message_append_args(
1115 DBUS_TYPE_OBJECT_PATH, &path,
1121 if (!dbus_connection_send(connection, reply, NULL))
1124 dbus_message_unref(reply);
1129 return DBUS_HANDLER_RESULT_HANDLED;
1135 dbus_message_unref(reply);
1137 dbus_error_free(&error);
1139 return DBUS_HANDLER_RESULT_NEED_MEMORY;
1142 const DBusObjectPathVTable bus_manager_vtable = {
1143 .message_function = bus_manager_message_handler