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/>.
26 #include "dbus-manager.h"
28 #include "bus-errors.h"
31 #define BUS_MANAGER_INTERFACE_BEGIN \
32 " <interface name=\"org.freedesktop.systemd1.Manager\">\n"
34 #define BUS_MANAGER_INTERFACE_METHODS \
35 " <method name=\"GetUnit\">\n" \
36 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
37 " <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n" \
39 " <method name=\"GetUnitByPID\">\n" \
40 " <arg name=\"pid\" type=\"u\" direction=\"in\"/>\n" \
41 " <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n" \
43 " <method name=\"LoadUnit\">\n" \
44 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
45 " <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n" \
47 " <method name=\"StartUnit\">\n" \
48 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
49 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
50 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
52 " <method name=\"StartUnitReplace\">\n" \
53 " <arg name=\"old_unit\" type=\"s\" direction=\"in\"/>\n" \
54 " <arg name=\"new_unit\" type=\"s\" direction=\"in\"/>\n" \
55 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
56 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
58 " <method name=\"StopUnit\">\n" \
59 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
60 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
61 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
63 " <method name=\"ReloadUnit\">\n" \
64 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
65 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
66 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
68 " <method name=\"RestartUnit\">\n" \
69 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
70 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
71 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
73 " <method name=\"TryRestartUnit\">\n" \
74 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
75 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
76 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
78 " <method name=\"ReloadOrRestartUnit\">\n" \
79 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
80 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
81 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
83 " <method name=\"ReloadOrTryRestartUnit\">\n" \
84 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
85 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
86 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
88 " <method name=\"KillUnit\">\n" \
89 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
90 " <arg name=\"who\" type=\"s\" direction=\"in\"/>\n" \
91 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
92 " <arg name=\"signal\" type=\"i\" direction=\"in\"/>\n" \
94 " <method name=\"ResetFailedUnit\">\n" \
95 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
97 " <method name=\"GetJob\">\n" \
98 " <arg name=\"id\" type=\"u\" direction=\"in\"/>\n" \
99 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
101 " <method name=\"ClearJobs\"/>\n" \
102 " <method name=\"ResetFailed\"/>\n" \
103 " <method name=\"ListUnits\">\n" \
104 " <arg name=\"units\" type=\"a(ssssssouso)\" direction=\"out\"/>\n" \
106 " <method name=\"ListJobs\">\n" \
107 " <arg name=\"jobs\" type=\"a(usssoo)\" direction=\"out\"/>\n" \
109 " <method name=\"Subscribe\"/>\n" \
110 " <method name=\"Unsubscribe\"/>\n" \
111 " <method name=\"Dump\"/>\n" \
112 " <method name=\"CreateSnapshot\">\n" \
113 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
114 " <arg name=\"cleanup\" type=\"b\" direction=\"in\"/>\n" \
115 " <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n" \
117 " <method name=\"Reload\"/>\n" \
118 " <method name=\"Reexecute\"/>\n" \
119 " <method name=\"Exit\"/>\n" \
120 " <method name=\"Reboot\"/>\n" \
121 " <method name=\"PowerOff\"/>\n" \
122 " <method name=\"Halt\"/>\n" \
123 " <method name=\"KExec\"/>\n" \
124 " <method name=\"SetEnvironment\">\n" \
125 " <arg name=\"names\" type=\"as\" direction=\"in\"/>\n" \
127 " <method name=\"UnsetEnvironment\">\n" \
128 " <arg name=\"names\" type=\"as\" direction=\"in\"/>\n" \
131 #define BUS_MANAGER_INTERFACE_SIGNALS \
132 " <signal name=\"UnitNew\">\n" \
133 " <arg name=\"id\" type=\"s\"/>\n" \
134 " <arg name=\"unit\" type=\"o\"/>\n" \
136 " <signal name=\"UnitRemoved\">\n" \
137 " <arg name=\"id\" type=\"s\"/>\n" \
138 " <arg name=\"unit\" type=\"o\"/>\n" \
140 " <signal name=\"JobNew\">\n" \
141 " <arg name=\"id\" type=\"u\"/>\n" \
142 " <arg name=\"job\" type=\"o\"/>\n" \
144 " <signal name=\"JobRemoved\">\n" \
145 " <arg name=\"id\" type=\"u\"/>\n" \
146 " <arg name=\"job\" type=\"o\"/>\n" \
147 " <arg name=\"result\" type=\"s\"/>\n" \
150 #define BUS_MANAGER_INTERFACE_PROPERTIES_GENERAL \
151 " <property name=\"Version\" type=\"s\" access=\"read\"/>\n" \
152 " <property name=\"Distribution\" type=\"s\" access=\"read\"/>\n" \
153 " <property name=\"Features\" type=\"s\" access=\"read\"/>\n" \
154 " <property name=\"Tainted\" type=\"s\" access=\"read\"/>\n" \
155 " <property name=\"RunningAs\" type=\"s\" access=\"read\"/>\n" \
156 " <property name=\"InitRDTimestamp\" type=\"t\" access=\"read\"/>\n" \
157 " <property name=\"StartupTimestamp\" type=\"t\" access=\"read\"/>\n" \
158 " <property name=\"FinishTimestamp\" type=\"t\" access=\"read\"/>\n" \
159 " <property name=\"LogLevel\" type=\"s\" access=\"read\"/>\n" \
160 " <property name=\"LogTarget\" type=\"s\" access=\"read\"/>\n" \
161 " <property name=\"NNames\" type=\"u\" access=\"read\"/>\n" \
162 " <property name=\"NJobs\" type=\"u\" access=\"read\"/>\n" \
163 " <property name=\"NInstalledJobs\" type=\"u\" access=\"read\"/>\n" \
164 " <property name=\"NFailedJobs\" type=\"u\" access=\"read\"/>\n" \
165 " <property name=\"Progress\" type=\"d\" access=\"read\"/>\n" \
166 " <property name=\"Environment\" type=\"as\" access=\"read\"/>\n" \
167 " <property name=\"ConfirmSpawn\" type=\"b\" access=\"read\"/>\n" \
168 " <property name=\"ShowStatus\" type=\"b\" access=\"read\"/>\n" \
169 " <property name=\"UnitPath\" type=\"as\" access=\"read\"/>\n" \
170 " <property name=\"NotifySocket\" type=\"s\" access=\"read\"/>\n" \
171 " <property name=\"ControlGroupHierarchy\" type=\"s\" access=\"read\"/>\n" \
172 " <property name=\"MountAuto\" type=\"b\" access=\"read\"/>\n" \
173 " <property name=\"SwapAuto\" type=\"b\" access=\"read\"/>\n" \
174 " <property name=\"DefaultControllers\" type=\"as\" access=\"read\"/>\n" \
175 " <property name=\"DefaultStandardOutput\" type=\"s\" access=\"read\"/>\n" \
176 " <property name=\"DefaultStandardError\" type=\"s\" access=\"read\"/>\n"
178 #ifdef HAVE_SYSV_COMPAT
179 #define BUS_MANAGER_INTERFACE_PROPERTIES_SYSV \
180 " <property name=\"SysVConsole\" type=\"b\" access=\"read\"/>\n" \
181 " <property name=\"SysVInitPath\" type=\"as\" access=\"read\"/>\n" \
182 " <property name=\"SysVRcndPath\" type=\"as\" access=\"read\"/>\n"
184 #define BUS_MANAGER_INTERFACE_PROPERTIES_SYSV
187 #define BUS_MANAGER_INTERFACE_END \
190 #define BUS_MANAGER_INTERFACE \
191 BUS_MANAGER_INTERFACE_BEGIN \
192 BUS_MANAGER_INTERFACE_METHODS \
193 BUS_MANAGER_INTERFACE_SIGNALS \
194 BUS_MANAGER_INTERFACE_PROPERTIES_GENERAL \
195 BUS_MANAGER_INTERFACE_PROPERTIES_SYSV \
196 BUS_MANAGER_INTERFACE_END
198 #define INTROSPECTION_BEGIN \
199 DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
201 BUS_MANAGER_INTERFACE \
202 BUS_PROPERTIES_INTERFACE \
204 BUS_INTROSPECTABLE_INTERFACE
206 #define INTROSPECTION_END \
209 const char bus_manager_interface[] _introspect_("Manager") = BUS_MANAGER_INTERFACE;
211 static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_manager_append_running_as, manager_running_as, ManagerRunningAs);
212 static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_manager_append_exec_output, exec_output, ExecOutput);
214 static int bus_manager_append_tainted(Manager *m, DBusMessageIter *i, const char *property, void *data) {
216 char buf[64] = "", *e = buf, *p = NULL;
222 if (path_is_mount_point("/usr") > 0 || dir_is_empty("/usr") > 0)
223 e = stpcpy(e, "usr-separate-fs");
225 if (readlink_malloc("/etc/mtab", &p) < 0) {
228 e = stpcpy(e, "etc-mtab-not-symlink");
234 if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t))
240 static int bus_manager_append_log_target(Manager *m, DBusMessageIter *i, const char *property, void *data) {
247 t = log_target_to_string(log_get_target());
249 if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t))
255 static int bus_manager_append_log_level(Manager *m, DBusMessageIter *i, const char *property, void *data) {
262 t = log_level_to_string(log_get_max_level());
264 if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t))
270 static int bus_manager_append_n_names(Manager *m, DBusMessageIter *i, const char *property, void *data) {
277 u = hashmap_size(m->units);
279 if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT32, &u))
285 static int bus_manager_append_n_jobs(Manager *m, DBusMessageIter *i, const char *property, void *data) {
292 u = hashmap_size(m->jobs);
294 if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT32, &u))
300 static int bus_manager_append_progress(Manager *m, DBusMessageIter *i, const char *property, void *data) {
307 if (dual_timestamp_is_set(&m->finish_timestamp))
310 d = 1.0 - ((double) hashmap_size(m->jobs) / (double) m->n_installed_jobs);
312 if (!dbus_message_iter_append_basic(i, DBUS_TYPE_DOUBLE, &d))
318 static const char *message_get_sender_with_fallback(DBusMessage *m) {
323 if ((s = dbus_message_get_sender(m)))
326 /* When the message came in from a direct connection the
327 * message will have no sender. We fix that here. */
332 static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection, DBusMessage *message, void *data) {
335 const BusProperty properties[] = {
336 { "org.freedesktop.systemd1.Manager", "Version", bus_property_append_string, "s", PACKAGE_STRING },
337 { "org.freedesktop.systemd1.Manager", "Distribution", bus_property_append_string, "s", DISTRIBUTION },
338 { "org.freedesktop.systemd1.Manager", "Features", bus_property_append_string, "s", SYSTEMD_FEATURES },
339 { "org.freedesktop.systemd1.Manager", "RunningAs", bus_manager_append_running_as, "s", &m->running_as },
340 { "org.freedesktop.systemd1.Manager", "Tainted", bus_manager_append_tainted, "s", m },
341 { "org.freedesktop.systemd1.Manager", "InitRDTimestamp", bus_property_append_uint64, "t", &m->initrd_timestamp.realtime },
342 { "org.freedesktop.systemd1.Manager", "StartupTimestamp", bus_property_append_uint64, "t", &m->startup_timestamp.realtime },
343 { "org.freedesktop.systemd1.Manager", "FinishTimestamp", bus_property_append_uint64, "t", &m->finish_timestamp.realtime },
344 { "org.freedesktop.systemd1.Manager", "LogLevel", bus_manager_append_log_level, "s", NULL },
345 { "org.freedesktop.systemd1.Manager", "LogTarget", bus_manager_append_log_target, "s", NULL },
346 { "org.freedesktop.systemd1.Manager", "NNames", bus_manager_append_n_names, "u", NULL },
347 { "org.freedesktop.systemd1.Manager", "NJobs", bus_manager_append_n_jobs, "u", NULL },
348 { "org.freedesktop.systemd1.Manager", "NInstalledJobs",bus_property_append_uint32, "u", &m->n_installed_jobs },
349 { "org.freedesktop.systemd1.Manager", "NFailedJobs", bus_property_append_uint32, "u", &m->n_failed_jobs },
350 { "org.freedesktop.systemd1.Manager", "Progress", bus_manager_append_progress, "d", NULL },
351 { "org.freedesktop.systemd1.Manager", "Environment", bus_property_append_strv, "as", m->environment },
352 { "org.freedesktop.systemd1.Manager", "ConfirmSpawn", bus_property_append_bool, "b", &m->confirm_spawn },
353 { "org.freedesktop.systemd1.Manager", "ShowStatus", bus_property_append_bool, "b", &m->show_status },
354 { "org.freedesktop.systemd1.Manager", "UnitPath", bus_property_append_strv, "as", m->lookup_paths.unit_path },
355 { "org.freedesktop.systemd1.Manager", "NotifySocket", bus_property_append_string, "s", m->notify_socket },
356 { "org.freedesktop.systemd1.Manager", "ControlGroupHierarchy", bus_property_append_string, "s", m->cgroup_hierarchy },
357 { "org.freedesktop.systemd1.Manager", "MountAuto", bus_property_append_bool, "b", &m->mount_auto },
358 { "org.freedesktop.systemd1.Manager", "SwapAuto", bus_property_append_bool, "b", &m->swap_auto },
359 { "org.freedesktop.systemd1.Manager", "DefaultControllers", bus_property_append_strv, "as", m->default_controllers },
360 { "org.freedesktop.systemd1.Manager", "DefaultStandardOutput", bus_manager_append_exec_output, "s", &m->default_std_output },
361 { "org.freedesktop.systemd1.Manager", "DefaultStandardError", bus_manager_append_exec_output, "s", &m->default_std_error },
362 #ifdef HAVE_SYSV_COMPAT
363 { "org.freedesktop.systemd1.Manager", "SysVConsole", bus_property_append_bool, "b", &m->sysv_console },
364 { "org.freedesktop.systemd1.Manager", "SysVInitPath", bus_property_append_strv, "as", m->lookup_paths.sysvinit_path },
365 { "org.freedesktop.systemd1.Manager", "SysVRcndPath", bus_property_append_strv, "as", m->lookup_paths.sysvrcnd_path },
367 { NULL, NULL, NULL, NULL, NULL }
372 DBusMessage *reply = NULL;
374 JobType job_type = _JOB_TYPE_INVALID;
375 bool reload_if_possible = false;
381 dbus_error_init(&error);
383 if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "GetUnit")) {
387 if (!dbus_message_get_args(
390 DBUS_TYPE_STRING, &name,
392 return bus_send_error_reply(m, connection, message, &error, -EINVAL);
394 if (!(u = manager_get_unit(m, name))) {
395 dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s is not loaded.", name);
396 return bus_send_error_reply(m, connection, message, &error, -ENOENT);
399 if (!(reply = dbus_message_new_method_return(message)))
402 if (!(path = unit_dbus_path(u)))
405 if (!dbus_message_append_args(
407 DBUS_TYPE_OBJECT_PATH, &path,
410 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "GetUnitByPID")) {
414 if (!dbus_message_get_args(
417 DBUS_TYPE_UINT32, &pid,
419 return bus_send_error_reply(m, connection, message, &error, -EINVAL);
421 if (!(u = cgroup_unit_by_pid(m, (pid_t) pid))) {
422 dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "No unit for PID %lu is loaded.", (unsigned long) pid);
423 return bus_send_error_reply(m, connection, message, &error, -ENOENT);
426 if (!(reply = dbus_message_new_method_return(message)))
429 if (!(path = unit_dbus_path(u)))
432 if (!dbus_message_append_args(
434 DBUS_TYPE_OBJECT_PATH, &path,
437 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "LoadUnit")) {
441 if (!dbus_message_get_args(
444 DBUS_TYPE_STRING, &name,
446 return bus_send_error_reply(m, connection, message, &error, -EINVAL);
448 if ((r = manager_load_unit(m, name, NULL, &error, &u)) < 0)
449 return bus_send_error_reply(m, connection, message, &error, r);
451 if (!(reply = dbus_message_new_method_return(message)))
454 if (!(path = unit_dbus_path(u)))
457 if (!dbus_message_append_args(
459 DBUS_TYPE_OBJECT_PATH, &path,
463 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "StartUnit"))
464 job_type = JOB_START;
465 else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "StartUnitReplace"))
466 job_type = JOB_START;
467 else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "StopUnit"))
469 else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ReloadUnit"))
470 job_type = JOB_RELOAD;
471 else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "RestartUnit"))
472 job_type = JOB_RESTART;
473 else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "TryRestartUnit"))
474 job_type = JOB_TRY_RESTART;
475 else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ReloadOrRestartUnit")) {
476 reload_if_possible = true;
477 job_type = JOB_RESTART;
478 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ReloadOrTryRestartUnit")) {
479 reload_if_possible = true;
480 job_type = JOB_TRY_RESTART;
481 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "KillUnit")) {
482 const char *name, *swho, *smode;
488 if (!dbus_message_get_args(
491 DBUS_TYPE_STRING, &name,
492 DBUS_TYPE_STRING, &swho,
493 DBUS_TYPE_STRING, &smode,
494 DBUS_TYPE_INT32, &signo,
496 return bus_send_error_reply(m, connection, message, &error, -EINVAL);
498 if ((mode = kill_mode_from_string(smode)) < 0 ||
499 (who = kill_who_from_string(swho)) < 0 ||
502 return bus_send_error_reply(m, connection, message, &error, -EINVAL);
504 if (!(u = manager_get_unit(m, name))) {
505 dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s is not loaded.", name);
506 return bus_send_error_reply(m, connection, message, &error, -ENOENT);
509 if ((r = unit_kill(u, who, mode, signo, &error)) < 0)
510 return bus_send_error_reply(m, connection, message, &error, r);
512 if (!(reply = dbus_message_new_method_return(message)))
515 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "GetJob")) {
519 if (!dbus_message_get_args(
522 DBUS_TYPE_UINT32, &id,
524 return bus_send_error_reply(m, connection, message, &error, -EINVAL);
526 if (!(j = manager_get_job(m, id))) {
527 dbus_set_error(&error, BUS_ERROR_NO_SUCH_JOB, "Job %u does not exist.", (unsigned) id);
528 return bus_send_error_reply(m, connection, message, &error, -ENOENT);
531 if (!(reply = dbus_message_new_method_return(message)))
534 if (!(path = job_dbus_path(j)))
537 if (!dbus_message_append_args(
539 DBUS_TYPE_OBJECT_PATH, &path,
543 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ClearJobs")) {
545 manager_clear_jobs(m);
547 if (!(reply = dbus_message_new_method_return(message)))
550 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ResetFailed")) {
552 manager_reset_failed(m);
554 if (!(reply = dbus_message_new_method_return(message)))
557 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ResetFailedUnit")) {
561 if (!dbus_message_get_args(
564 DBUS_TYPE_STRING, &name,
566 return bus_send_error_reply(m, connection, message, &error, -EINVAL);
568 if (!(u = manager_get_unit(m, name))) {
569 dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s is not loaded.", name);
570 return bus_send_error_reply(m, connection, message, &error, -ENOENT);
573 unit_reset_failed(u);
575 if (!(reply = dbus_message_new_method_return(message)))
578 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ListUnits")) {
579 DBusMessageIter iter, sub;
584 if (!(reply = dbus_message_new_method_return(message)))
587 dbus_message_iter_init_append(reply, &iter);
589 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(ssssssouso)", &sub))
592 HASHMAP_FOREACH_KEY(u, k, m->units, i) {
593 char *u_path, *j_path;
594 const char *description, *load_state, *active_state, *sub_state, *sjob_type, *following;
595 DBusMessageIter sub2;
602 if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
605 description = unit_description(u);
606 load_state = unit_load_state_to_string(u->meta.load_state);
607 active_state = unit_active_state_to_string(unit_active_state(u));
608 sub_state = unit_sub_state_to_string(u);
610 f = unit_following(u);
611 following = f ? f->meta.id : "";
613 if (!(u_path = unit_dbus_path(u)))
617 job_id = (uint32_t) u->meta.job->id;
619 if (!(j_path = job_dbus_path(u->meta.job))) {
624 sjob_type = job_type_to_string(u->meta.job->type);
631 if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &u->meta.id) ||
632 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &description) ||
633 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &load_state) ||
634 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &active_state) ||
635 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &sub_state) ||
636 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &following) ||
637 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &u_path) ||
638 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &job_id) ||
639 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &sjob_type) ||
640 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &j_path)) {
651 if (!dbus_message_iter_close_container(&sub, &sub2))
655 if (!dbus_message_iter_close_container(&iter, &sub))
658 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ListJobs")) {
659 DBusMessageIter iter, sub;
663 if (!(reply = dbus_message_new_method_return(message)))
666 dbus_message_iter_init_append(reply, &iter);
668 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(usssoo)", &sub))
671 HASHMAP_FOREACH(j, m->jobs, i) {
672 char *u_path, *j_path;
673 const char *state, *type;
675 DBusMessageIter sub2;
677 if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
680 id = (uint32_t) j->id;
681 state = job_state_to_string(j->state);
682 type = job_type_to_string(j->type);
684 if (!(j_path = job_dbus_path(j)))
687 if (!(u_path = unit_dbus_path(j->unit))) {
692 if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &id) ||
693 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &j->unit->meta.id) ||
694 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &type) ||
695 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &state) ||
696 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &j_path) ||
697 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &u_path)) {
706 if (!dbus_message_iter_close_container(&sub, &sub2))
710 if (!dbus_message_iter_close_container(&iter, &sub))
713 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Subscribe")) {
717 if (!(s = BUS_CONNECTION_SUBSCRIBED(m, connection))) {
718 if (!(s = set_new(string_hash_func, string_compare_func)))
721 if (!(dbus_connection_set_data(connection, m->subscribed_data_slot, s, NULL))) {
727 if (!(client = strdup(message_get_sender_with_fallback(message))))
730 if ((r = set_put(s, client)) < 0) {
732 return bus_send_error_reply(m, connection, message, NULL, r);
735 if (!(reply = dbus_message_new_method_return(message)))
738 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Unsubscribe")) {
741 if (!(client = set_remove(BUS_CONNECTION_SUBSCRIBED(m, connection), (char*) message_get_sender_with_fallback(message)))) {
742 dbus_set_error(&error, BUS_ERROR_NOT_SUBSCRIBED, "Client is not subscribed.");
743 return bus_send_error_reply(m, connection, message, &error, -ENOENT);
748 if (!(reply = dbus_message_new_method_return(message)))
751 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Dump")) {
756 if (!(reply = dbus_message_new_method_return(message)))
759 if (!(f = open_memstream(&dump, &size)))
762 manager_dump_units(m, f, NULL);
763 manager_dump_jobs(m, f, NULL);
773 if (!dbus_message_append_args(reply, DBUS_TYPE_STRING, &dump, DBUS_TYPE_INVALID)) {
779 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "CreateSnapshot")) {
784 if (!dbus_message_get_args(
787 DBUS_TYPE_STRING, &name,
788 DBUS_TYPE_BOOLEAN, &cleanup,
790 return bus_send_error_reply(m, connection, message, &error, -EINVAL);
792 if (name && name[0] == 0)
795 if ((r = snapshot_create(m, name, cleanup, &error, &s)) < 0)
796 return bus_send_error_reply(m, connection, message, &error, r);
798 if (!(reply = dbus_message_new_method_return(message)))
801 if (!(path = unit_dbus_path(UNIT(s))))
804 if (!dbus_message_append_args(
806 DBUS_TYPE_OBJECT_PATH, &path,
810 } else if (dbus_message_is_method_call(message, "org.freedesktop.DBus.Introspectable", "Introspect")) {
811 char *introspection = NULL;
819 if (!(reply = dbus_message_new_method_return(message)))
822 /* We roll our own introspection code here, instead of
823 * relying on bus_default_message_handler() because we
824 * need to generate our introspection string
827 if (!(f = open_memstream(&introspection, &size)))
830 fputs(INTROSPECTION_BEGIN, f);
832 HASHMAP_FOREACH_KEY(u, k, m->units, i) {
838 if (!(p = bus_path_escape(k))) {
844 fprintf(f, "<node name=\"unit/%s\"/>", p);
848 HASHMAP_FOREACH(j, m->jobs, i)
849 fprintf(f, "<node name=\"job/%lu\"/>", (unsigned long) j->id);
851 fputs(INTROSPECTION_END, f);
864 if (!dbus_message_append_args(reply, DBUS_TYPE_STRING, &introspection, DBUS_TYPE_INVALID)) {
871 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Reload")) {
873 assert(!m->queued_message);
875 /* Instead of sending the reply back right away, we
876 * just remember that we need to and then send it
877 * after the reload is finished. That way the caller
878 * knows when the reload finished. */
880 if (!(m->queued_message = dbus_message_new_method_return(message)))
883 m->queued_message_connection = connection;
884 m->exit_code = MANAGER_RELOAD;
886 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Reexecute")) {
888 if (!(reply = dbus_message_new_method_return(message)))
891 m->exit_code = MANAGER_REEXECUTE;
893 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Exit")) {
895 if (m->running_as == MANAGER_SYSTEM) {
896 dbus_set_error(&error, BUS_ERROR_NOT_SUPPORTED, "Exit is only supported for user service managers.");
897 return bus_send_error_reply(m, connection, message, &error, -ENOTSUP);
900 if (!(reply = dbus_message_new_method_return(message)))
903 m->exit_code = MANAGER_EXIT;
905 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Reboot")) {
907 if (m->running_as != MANAGER_SYSTEM) {
908 dbus_set_error(&error, BUS_ERROR_NOT_SUPPORTED, "Reboot is only supported for system managers.");
909 return bus_send_error_reply(m, connection, message, &error, -ENOTSUP);
912 if (!(reply = dbus_message_new_method_return(message)))
915 m->exit_code = MANAGER_REBOOT;
917 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "PowerOff")) {
919 if (m->running_as != MANAGER_SYSTEM) {
920 dbus_set_error(&error, BUS_ERROR_NOT_SUPPORTED, "Powering off is only supported for system managers.");
921 return bus_send_error_reply(m, connection, message, &error, -ENOTSUP);
924 if (!(reply = dbus_message_new_method_return(message)))
927 m->exit_code = MANAGER_POWEROFF;
929 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Halt")) {
931 if (m->running_as != MANAGER_SYSTEM) {
932 dbus_set_error(&error, BUS_ERROR_NOT_SUPPORTED, "Halting is only supported for system managers.");
933 return bus_send_error_reply(m, connection, message, &error, -ENOTSUP);
936 if (!(reply = dbus_message_new_method_return(message)))
939 m->exit_code = MANAGER_HALT;
941 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "KExec")) {
943 if (m->running_as != MANAGER_SYSTEM) {
944 dbus_set_error(&error, BUS_ERROR_NOT_SUPPORTED, "kexec is only supported for system managers.");
945 return bus_send_error_reply(m, connection, message, &error, -ENOTSUP);
948 if (!(reply = dbus_message_new_method_return(message)))
951 m->exit_code = MANAGER_KEXEC;
953 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "SetEnvironment")) {
954 char **l = NULL, **e = NULL;
956 if ((r = bus_parse_strv(message, &l)) < 0) {
960 return bus_send_error_reply(m, connection, message, NULL, r);
963 e = strv_env_merge(2, m->environment, l);
969 if (!(reply = dbus_message_new_method_return(message))) {
974 strv_free(m->environment);
977 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "UnsetEnvironment")) {
978 char **l = NULL, **e = NULL;
980 if ((r = bus_parse_strv(message, &l)) < 0) {
984 return bus_send_error_reply(m, connection, message, NULL, r);
987 e = strv_env_delete(m->environment, 1, l);
993 if (!(reply = dbus_message_new_method_return(message)))
996 strv_free(m->environment);
1000 return bus_default_message_handler(m, connection, message, NULL, properties);
1002 if (job_type != _JOB_TYPE_INVALID) {
1003 const char *name, *smode, *old_name = NULL;
1009 if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "StartUnitReplace"))
1010 b = dbus_message_get_args(
1013 DBUS_TYPE_STRING, &old_name,
1014 DBUS_TYPE_STRING, &name,
1015 DBUS_TYPE_STRING, &smode,
1018 b = dbus_message_get_args(
1021 DBUS_TYPE_STRING, &name,
1022 DBUS_TYPE_STRING, &smode,
1026 return bus_send_error_reply(m, connection, message, &error, -EINVAL);
1029 if (!(u = manager_get_unit(m, old_name)) ||
1031 u->meta.job->type != JOB_START) {
1032 dbus_set_error(&error, BUS_ERROR_NO_SUCH_JOB, "No job queued for unit %s", old_name);
1033 return bus_send_error_reply(m, connection, message, &error, -ENOENT);
1037 if ((mode = job_mode_from_string(smode)) == _JOB_MODE_INVALID) {
1038 dbus_set_error(&error, BUS_ERROR_INVALID_JOB_MODE, "Job mode %s is invalid.", smode);
1039 return bus_send_error_reply(m, connection, message, &error, -EINVAL);
1042 if ((r = manager_load_unit(m, name, NULL, &error, &u)) < 0)
1043 return bus_send_error_reply(m, connection, message, &error, r);
1045 if (reload_if_possible && unit_can_reload(u)) {
1046 if (job_type == JOB_RESTART)
1047 job_type = JOB_RELOAD_OR_START;
1048 else if (job_type == JOB_TRY_RESTART)
1049 job_type = JOB_RELOAD;
1052 if ((job_type == JOB_START && u->meta.refuse_manual_start) ||
1053 (job_type == JOB_STOP && u->meta.refuse_manual_stop) ||
1054 ((job_type == JOB_RESTART || job_type == JOB_TRY_RESTART) &&
1055 (u->meta.refuse_manual_start || u->meta.refuse_manual_stop))) {
1056 dbus_set_error(&error, BUS_ERROR_ONLY_BY_DEPENDENCY, "Operation refused, may be requested by dependency only.");
1057 return bus_send_error_reply(m, connection, message, &error, -EPERM);
1060 if ((r = manager_add_job(m, job_type, u, mode, true, &error, &j)) < 0)
1061 return bus_send_error_reply(m, connection, message, &error, r);
1063 if (!(j->bus_client = strdup(message_get_sender_with_fallback(message))))
1066 j->bus = connection;
1068 if (!(reply = dbus_message_new_method_return(message)))
1071 if (!(path = job_dbus_path(j)))
1074 if (!dbus_message_append_args(
1076 DBUS_TYPE_OBJECT_PATH, &path,
1084 if (!dbus_connection_send(connection, reply, NULL))
1087 dbus_message_unref(reply);
1090 return DBUS_HANDLER_RESULT_HANDLED;
1096 dbus_message_unref(reply);
1098 dbus_error_free(&error);
1100 return DBUS_HANDLER_RESULT_NEED_MEMORY;
1103 const DBusObjectPathVTable bus_manager_vtable = {
1104 .message_function = bus_manager_message_handler