]> git.ipfire.org Git - thirdparty/systemd.git/blame - src/dbus-manager.c
service: honour empty cgroup even in ValidNoProcess mode
[thirdparty/systemd.git] / src / dbus-manager.c
CommitLineData
ea430986
LP
1/*-*- Mode: C; c-basic-offset: 8 -*-*/
2
a7334b09
LP
3/***
4 This file is part of systemd.
5
6 Copyright 2010 Lennart Poettering
7
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.
12
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.
17
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/>.
20***/
21
ea430986
LP
22#include <errno.h>
23
24#include "dbus.h"
25#include "log.h"
4139c1b2 26#include "dbus-manager.h"
1137a57c 27#include "strv.h"
ea430986 28
4288f619
LP
29#define BUS_MANAGER_INTERFACE \
30 " <interface name=\"org.freedesktop.systemd1.Manager\">\n" \
31 " <method name=\"GetUnit\">\n" \
32 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
33 " <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n" \
34 " </method>\n" \
35 " <method name=\"LoadUnit\">\n" \
36 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
37 " <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n" \
38 " </method>\n" \
c87eba54
LP
39 " <method name=\"StartUnit\">\n" \
40 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
41 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
42 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
43 " </method>\n" \
44 " <method name=\"StopUnit\">\n" \
45 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
46 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
47 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
48 " </method>\n" \
49 " <method name=\"ReloadUnit\">\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" \
53 " </method>\n" \
54 " <method name=\"RestartUnit\">\n" \
55 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
56 " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
57 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
58 " </method>\n" \
4288f619
LP
59 " <method name=\"GetJob\">\n" \
60 " <arg name=\"id\" type=\"u\" direction=\"in\"/>\n" \
61 " <arg name=\"job\" type=\"o\" direction=\"out\"/>\n" \
62 " </method>\n" \
63 " <method name=\"ClearJobs\"/>\n" \
64 " <method name=\"ListUnits\">\n" \
65 " <arg name=\"units\" type=\"a(sssssouso)\" direction=\"out\"/>\n" \
66 " </method>\n" \
67 " <method name=\"ListJobs\">\n" \
68 " <arg name=\"jobs\" type=\"a(usssoo)\" direction=\"out\"/>\n" \
69 " </method>\n" \
70 " <method name=\"Subscribe\"/>\n" \
71 " <method name=\"Unsubscribe\"/>\n" \
72 " <method name=\"Dump\"/>\n" \
73 " <method name=\"CreateSnapshot\">\n" \
74 " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
75 " <arg nane=\"cleanup\" type=\"b\" direction=\"in\"/>\n" \
76 " <arg name=\"unit\" type=\"o\" direction=\"out\"/>\n" \
77 " </method>\n" \
78 " <method name=\"Reload\"/>\n" \
79 " <method name=\"Reexecute\"/>\n" \
80 " <method name=\"Exit\"/>\n" \
81 " <method name=\"SetEnvironment\">\n" \
82 " <arg name=\"names\" type=\"as\" direction=\"in\"/>\n" \
83 " </method>\n" \
84 " <method name=\"UnsetEnvironment\">\n" \
85 " <arg name=\"names\" type=\"as\" direction=\"in\"/>\n" \
86 " </method>\n" \
87 " <signal name=\"UnitNew\">\n" \
88 " <arg name=\"id\" type=\"s\"/>\n" \
89 " <arg name=\"unit\" type=\"o\"/>\n" \
90 " </signal>\n" \
91 " <signal name=\"UnitRemoved\">\n" \
92 " <arg name=\"id\" type=\"s\"/>\n" \
93 " <arg name=\"unit\" type=\"o\"/>\n" \
94 " </signal>\n" \
95 " <signal name=\"JobNew\">\n" \
96 " <arg name=\"id\" type=\"u\"/>\n" \
97 " <arg name=\"job\" type=\"o\"/>\n" \
98 " </signal>\n" \
99 " <signal name=\"JobRemoved\">\n" \
100 " <arg name=\"id\" type=\"u\"/>\n" \
101 " <arg name=\"job\" type=\"o\"/>\n" \
102 " <arg name=\"success\" type=\"b\"/>\n" \
103 " </signal>" \
104 " <property name=\"Version\" type=\"s\" access=\"read\"/>\n" \
105 " <property name=\"RunningAs\" type=\"s\" access=\"read\"/>\n" \
106 " <property name=\"BootTimestamp\" type=\"t\" access=\"read\"/>\n" \
107 " <property name=\"LogLevel\" type=\"s\" access=\"read\"/>\n" \
108 " <property name=\"LogTarget\" type=\"s\" access=\"read\"/>\n" \
109 " <property name=\"NNames\" type=\"u\" access=\"read\"/>\n" \
110 " <property name=\"NJobs\" type=\"u\" access=\"read\"/>\n" \
111 " <property name=\"Environment\" type=\"as\" access=\"read\"/>\n" \
112 " </interface>\n"
113
ea430986
LP
114#define INTROSPECTION_BEGIN \
115 DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
4288f619
LP
116 "<node>\n" \
117 BUS_MANAGER_INTERFACE \
ea430986
LP
118 BUS_PROPERTIES_INTERFACE \
119 BUS_INTROSPECTABLE_INTERFACE
120
121#define INTROSPECTION_END \
4288f619
LP
122 "</node>\n"
123
124const char bus_manager_interface[] = BUS_MANAGER_INTERFACE;
ea430986 125
4139c1b2 126static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_manager_append_running_as, manager_running_as, ManagerRunningAs);
1adf1049
LP
127
128static int bus_manager_append_log_target(Manager *m, DBusMessageIter *i, const char *property, void *data) {
129 const char *t;
130
131 assert(m);
132 assert(i);
133 assert(property);
134
135 t = log_target_to_string(log_get_target());
136
137 if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t))
138 return -ENOMEM;
139
140 return 0;
141}
142
143static int bus_manager_append_log_level(Manager *m, DBusMessageIter *i, const char *property, void *data) {
144 const char *t;
145
146 assert(m);
147 assert(i);
148 assert(property);
149
150 t = log_level_to_string(log_get_max_level());
151
152 if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t))
153 return -ENOMEM;
154
155 return 0;
156}
157
4f0f902f
LP
158static int bus_manager_append_n_names(Manager *m, DBusMessageIter *i, const char *property, void *data) {
159 uint32_t u;
160
161 assert(m);
162 assert(i);
163 assert(property);
164
165 u = hashmap_size(m->units);
166
167 if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT32, &u))
168 return -ENOMEM;
169
170 return 0;
171}
172
173static int bus_manager_append_n_jobs(Manager *m, DBusMessageIter *i, const char *property, void *data) {
174 uint32_t u;
175
176 assert(m);
177 assert(i);
178 assert(property);
179
180 u = hashmap_size(m->jobs);
181
182 if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT32, &u))
183 return -ENOMEM;
184
185 return 0;
186}
187
47be870b 188static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection, DBusMessage *message, void *data) {
ea430986 189 Manager *m = data;
1adf1049
LP
190
191 const BusProperty properties[] = {
4139c1b2
LP
192 { "org.freedesktop.systemd1.Manager", "Version", bus_property_append_string, "s", PACKAGE_STRING },
193 { "org.freedesktop.systemd1.Manager", "RunningAs", bus_manager_append_running_as, "s", &m->running_as },
871d7de4 194 { "org.freedesktop.systemd1.Manager", "BootTimestamp", bus_property_append_uint64, "t", &m->startup_timestamp.realtime },
4139c1b2
LP
195 { "org.freedesktop.systemd1.Manager", "LogLevel", bus_manager_append_log_level, "s", NULL },
196 { "org.freedesktop.systemd1.Manager", "LogTarget", bus_manager_append_log_target, "s", NULL },
4f0f902f
LP
197 { "org.freedesktop.systemd1.Manager", "NNames", bus_manager_append_n_names, "u", NULL },
198 { "org.freedesktop.systemd1.Manager", "NJobs", bus_manager_append_n_jobs, "u", NULL },
1137a57c 199 { "org.freedesktop.systemd1.Manager", "Environment", bus_property_append_strv, "as", m->environment },
1adf1049
LP
200 { NULL, NULL, NULL, NULL, NULL }
201 };
202
203 int r;
ea430986
LP
204 DBusError error;
205 DBusMessage *reply = NULL;
206 char * path = NULL;
c87eba54 207 JobType job_type = _JOB_TYPE_INVALID;
ea430986
LP
208
209 assert(connection);
210 assert(message);
211 assert(m);
212
213 dbus_error_init(&error);
214
215 log_debug("Got D-Bus request: %s.%s() on %s",
216 dbus_message_get_interface(message),
217 dbus_message_get_member(message),
218 dbus_message_get_path(message));
219
4139c1b2 220 if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "GetUnit")) {
ea430986
LP
221 const char *name;
222 Unit *u;
223
224 if (!dbus_message_get_args(
225 message,
226 &error,
227 DBUS_TYPE_STRING, &name,
228 DBUS_TYPE_INVALID))
229 return bus_send_error_reply(m, message, &error, -EINVAL);
230
231 if (!(u = manager_get_unit(m, name)))
232 return bus_send_error_reply(m, message, NULL, -ENOENT);
233
234 if (!(reply = dbus_message_new_method_return(message)))
235 goto oom;
236
237 if (!(path = unit_dbus_path(u)))
238 goto oom;
239
240 if (!dbus_message_append_args(
241 reply,
242 DBUS_TYPE_OBJECT_PATH, &path,
243 DBUS_TYPE_INVALID))
244 goto oom;
245
4139c1b2 246 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "LoadUnit")) {
ea430986
LP
247 const char *name;
248 Unit *u;
249
250 if (!dbus_message_get_args(
251 message,
252 &error,
253 DBUS_TYPE_STRING, &name,
254 DBUS_TYPE_INVALID))
255 return bus_send_error_reply(m, message, &error, -EINVAL);
256
9e2f7c11 257 if ((r = manager_load_unit(m, name, NULL, &u)) < 0)
ea430986
LP
258 return bus_send_error_reply(m, message, NULL, r);
259
260 if (!(reply = dbus_message_new_method_return(message)))
261 goto oom;
262
263 if (!(path = unit_dbus_path(u)))
264 goto oom;
265
266 if (!dbus_message_append_args(
267 reply,
268 DBUS_TYPE_OBJECT_PATH, &path,
269 DBUS_TYPE_INVALID))
270 goto oom;
271
c87eba54
LP
272 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "StartUnit"))
273 job_type = JOB_START;
274 else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "StopUnit"))
275 job_type = JOB_STOP;
276 else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ReloadUnit"))
277 job_type = JOB_RELOAD;
278 else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "RestartUnit"))
279 job_type = JOB_RESTART;
280 else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "GetJob")) {
ea430986
LP
281 uint32_t id;
282 Job *j;
283
284 if (!dbus_message_get_args(
285 message,
286 &error,
287 DBUS_TYPE_UINT32, &id,
288 DBUS_TYPE_INVALID))
289 return bus_send_error_reply(m, message, &error, -EINVAL);
290
291 if (!(j = manager_get_job(m, id)))
292 return bus_send_error_reply(m, message, NULL, -ENOENT);
293
294 if (!(reply = dbus_message_new_method_return(message)))
295 goto oom;
296
297 if (!(path = job_dbus_path(j)))
298 goto oom;
299
300 if (!dbus_message_append_args(
301 reply,
302 DBUS_TYPE_OBJECT_PATH, &path,
303 DBUS_TYPE_INVALID))
304 goto oom;
305
4139c1b2 306 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ClearJobs")) {
ea430986
LP
307
308 manager_clear_jobs(m);
309
310 if (!(reply = dbus_message_new_method_return(message)))
311 goto oom;
312
4139c1b2 313 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ListUnits")) {
ea430986
LP
314 DBusMessageIter iter, sub;
315 Iterator i;
316 Unit *u;
317 const char *k;
318
319 if (!(reply = dbus_message_new_method_return(message)))
320 goto oom;
321
322 dbus_message_iter_init_append(reply, &iter);
323
10a94420 324 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(sssssouso)", &sub))
ea430986
LP
325 goto oom;
326
327 HASHMAP_FOREACH_KEY(u, k, m->units, i) {
47be870b 328 char *u_path, *j_path;
c87eba54 329 const char *description, *load_state, *active_state, *sub_state, *sjob_type;
ea430986
LP
330 DBusMessageIter sub2;
331 uint32_t job_id;
332
9e2f7c11 333 if (k != u->meta.id)
ea430986
LP
334 continue;
335
336 if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
337 goto oom;
338
339 description = unit_description(u);
340 load_state = unit_load_state_to_string(u->meta.load_state);
341 active_state = unit_active_state_to_string(unit_active_state(u));
10a94420 342 sub_state = unit_sub_state_to_string(u);
ea430986 343
47be870b 344 if (!(u_path = unit_dbus_path(u)))
ea430986
LP
345 goto oom;
346
347 if (u->meta.job) {
348 job_id = (uint32_t) u->meta.job->id;
349
47be870b
LP
350 if (!(j_path = job_dbus_path(u->meta.job))) {
351 free(u_path);
ea430986
LP
352 goto oom;
353 }
354
c87eba54 355 sjob_type = job_type_to_string(u->meta.job->type);
ea430986
LP
356 } else {
357 job_id = 0;
47be870b 358 j_path = u_path;
c87eba54 359 sjob_type = "";
ea430986
LP
360 }
361
9e2f7c11 362 if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &u->meta.id) ||
ea430986
LP
363 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &description) ||
364 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &load_state) ||
365 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &active_state) ||
10a94420 366 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &sub_state) ||
47be870b 367 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &u_path) ||
ea430986 368 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &job_id) ||
c87eba54 369 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &sjob_type) ||
47be870b
LP
370 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &j_path)) {
371 free(u_path);
ea430986 372 if (u->meta.job)
47be870b 373 free(j_path);
ea430986
LP
374 goto oom;
375 }
376
47be870b 377 free(u_path);
ea430986 378 if (u->meta.job)
47be870b 379 free(j_path);
ea430986
LP
380
381 if (!dbus_message_iter_close_container(&sub, &sub2))
382 goto oom;
383 }
384
385 if (!dbus_message_iter_close_container(&iter, &sub))
386 goto oom;
387
4139c1b2 388 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "ListJobs")) {
ea430986
LP
389 DBusMessageIter iter, sub;
390 Iterator i;
391 Job *j;
392
393 if (!(reply = dbus_message_new_method_return(message)))
394 goto oom;
395
396 dbus_message_iter_init_append(reply, &iter);
397
398 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(usssoo)", &sub))
399 goto oom;
400
401 HASHMAP_FOREACH(j, m->jobs, i) {
47be870b 402 char *u_path, *j_path;
9e2f7c11 403 const char *state, *type;
ea430986
LP
404 uint32_t id;
405 DBusMessageIter sub2;
406
407 if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
408 goto oom;
409
410 id = (uint32_t) j->id;
ea430986 411 state = job_state_to_string(j->state);
2b53c70b 412 type = job_type_to_string(j->type);
ea430986 413
47be870b 414 if (!(j_path = job_dbus_path(j)))
ea430986
LP
415 goto oom;
416
47be870b
LP
417 if (!(u_path = unit_dbus_path(j->unit))) {
418 free(j_path);
ea430986
LP
419 goto oom;
420 }
421
422 if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &id) ||
9e2f7c11 423 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &j->unit->meta.id) ||
ea430986
LP
424 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &type) ||
425 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &state) ||
47be870b
LP
426 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &j_path) ||
427 !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &u_path)) {
428 free(j_path);
429 free(u_path);
ea430986
LP
430 goto oom;
431 }
432
47be870b
LP
433 free(j_path);
434 free(u_path);
ea430986
LP
435
436 if (!dbus_message_iter_close_container(&sub, &sub2))
437 goto oom;
438 }
439
440 if (!dbus_message_iter_close_container(&iter, &sub))
441 goto oom;
442
4139c1b2 443 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Subscribe")) {
c1e1601e
LP
444 char *client;
445
446 if (!(client = strdup(dbus_message_get_sender(message))))
447 goto oom;
448
449 r = set_put(m->subscribed, client);
450
451 if (r < 0)
452 return bus_send_error_reply(m, message, NULL, r);
453
454 if (!(reply = dbus_message_new_method_return(message)))
455 goto oom;
456
4139c1b2 457 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Unsubscribe")) {
c1e1601e
LP
458 char *client;
459
460 if (!(client = set_remove(m->subscribed, (char*) dbus_message_get_sender(message))))
461 return bus_send_error_reply(m, message, NULL, -ENOENT);
462
463 free(client);
464
465 if (!(reply = dbus_message_new_method_return(message)))
466 goto oom;
467
4139c1b2 468 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Dump")) {
b152adec
LP
469 FILE *f;
470 char *dump = NULL;
471 size_t size;
472
473 if (!(reply = dbus_message_new_method_return(message)))
474 goto oom;
475
476 if (!(f = open_memstream(&dump, &size)))
477 goto oom;
478
479 manager_dump_units(m, f, NULL);
480 manager_dump_jobs(m, f, NULL);
481
482 if (ferror(f)) {
483 fclose(f);
484 free(dump);
485 goto oom;
486 }
487
488 fclose(f);
489
490 if (!dbus_message_append_args(reply, DBUS_TYPE_STRING, &dump, DBUS_TYPE_INVALID)) {
491 free(dump);
492 goto oom;
493 }
494
495 free(dump);
4139c1b2
LP
496 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "CreateSnapshot")) {
497 const char *name;
498 dbus_bool_t cleanup;
499 Snapshot *s;
500
501 if (!dbus_message_get_args(
502 message,
503 &error,
504 DBUS_TYPE_STRING, &name,
505 DBUS_TYPE_BOOLEAN, &cleanup,
506 DBUS_TYPE_INVALID))
507 return bus_send_error_reply(m, message, &error, -EINVAL);
508
509 if (name && name[0] == 0)
510 name = NULL;
511
512 if ((r = snapshot_create(m, name, cleanup, &s)) < 0)
513 return bus_send_error_reply(m, message, NULL, r);
514
515 if (!(reply = dbus_message_new_method_return(message)))
516 goto oom;
517
518 if (!(path = unit_dbus_path(UNIT(s))))
519 goto oom;
520
521 if (!dbus_message_append_args(
522 reply,
523 DBUS_TYPE_OBJECT_PATH, &path,
524 DBUS_TYPE_INVALID))
525 goto oom;
b152adec 526
ea430986
LP
527 } else if (dbus_message_is_method_call(message, "org.freedesktop.DBus.Introspectable", "Introspect")) {
528 char *introspection = NULL;
529 FILE *f;
530 Iterator i;
531 Unit *u;
532 Job *j;
533 const char *k;
534 size_t size;
535
536 if (!(reply = dbus_message_new_method_return(message)))
537 goto oom;
538
539 /* We roll our own introspection code here, instead of
540 * relying on bus_default_message_handler() because we
541 * need to generate our introspection string
542 * dynamically. */
543
544 if (!(f = open_memstream(&introspection, &size)))
545 goto oom;
546
547 fputs(INTROSPECTION_BEGIN, f);
548
549 HASHMAP_FOREACH_KEY(u, k, m->units, i) {
550 char *p;
551
9e2f7c11 552 if (k != u->meta.id)
ea430986
LP
553 continue;
554
555 if (!(p = bus_path_escape(k))) {
556 fclose(f);
557 free(introspection);
558 goto oom;
559 }
560
561 fprintf(f, "<node name=\"unit/%s\"/>", p);
562 free(p);
563 }
564
565 HASHMAP_FOREACH(j, m->jobs, i)
566 fprintf(f, "<node name=\"job/%lu\"/>", (unsigned long) j->id);
567
568 fputs(INTROSPECTION_END, f);
569
570 if (ferror(f)) {
571 fclose(f);
572 free(introspection);
573 goto oom;
574 }
575
576 fclose(f);
577
578 if (!introspection)
579 goto oom;
580
581 if (!dbus_message_append_args(reply, DBUS_TYPE_STRING, &introspection, DBUS_TYPE_INVALID)) {
582 free(introspection);
583 goto oom;
584 }
585
586 free(introspection);
587
a16e1123
LP
588 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Reload")) {
589
590 assert(!m->queued_message);
591
592 /* Instead of sending the reply back right away, we
593 * just remember that we need to and then send it
594 * after the reload is finished. That way the caller
595 * knows when the reload finished. */
596
597 if (!(m->queued_message = dbus_message_new_method_return(message)))
598 goto oom;
599
600 m->exit_code = MANAGER_RELOAD;
601
602 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Reexecute")) {
603
604 if (!(reply = dbus_message_new_method_return(message)))
605 goto oom;
606
607 m->exit_code = MANAGER_REEXECUTE;
608
609 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "Exit")) {
610
611 if (m->running_as == MANAGER_INIT)
612 return bus_send_error_reply(m, message, NULL, -ENOTSUP);
613
614 if (!(reply = dbus_message_new_method_return(message)))
615 goto oom;
616
617 m->exit_code = MANAGER_EXIT;
618
1137a57c
LP
619 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "SetEnvironment")) {
620 char **l = NULL, **e = NULL;
621
622 if ((r = bus_parse_strv(message, &l)) < 0) {
623 if (r == -ENOMEM)
624 goto oom;
625
626 return bus_send_error_reply(m, message, NULL, r);
627 }
628
5b6319dc 629 e = strv_env_merge(2, m->environment, l);
1137a57c
LP
630 strv_free(l);
631
632 if (!e)
633 goto oom;
634
635 if (!(reply = dbus_message_new_method_return(message))) {
636 strv_free(e);
637 goto oom;
638 }
639
640 strv_free(m->environment);
641 m->environment = e;
642
643 } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "UnsetEnvironment")) {
644 char **l = NULL, **e = NULL;
645
646 if ((r = bus_parse_strv(message, &l)) < 0) {
647 if (r == -ENOMEM)
648 goto oom;
649
650 return bus_send_error_reply(m, message, NULL, r);
651 }
652
5b6319dc 653 e = strv_env_delete(m->environment, 1, l);
1137a57c
LP
654 strv_free(l);
655
656 if (!e)
657 goto oom;
658
659 if (!(reply = dbus_message_new_method_return(message)))
660 goto oom;
661
662 strv_free(m->environment);
663 m->environment = e;
664
ea430986 665 } else
1adf1049 666 return bus_default_message_handler(m, message, NULL, properties);
ea430986 667
c87eba54
LP
668
669 if (job_type != _JOB_TYPE_INVALID) {
670 const char *name, *smode;
671 JobMode mode;
672 Job *j;
673 Unit *u;
674
675 if (!dbus_message_get_args(
676 message,
677 &error,
678 DBUS_TYPE_STRING, &name,
679 DBUS_TYPE_STRING, &smode,
680 DBUS_TYPE_INVALID))
681 return bus_send_error_reply(m, message, &error, -EINVAL);
682
683 if ((mode = job_mode_from_string(smode)) == _JOB_MODE_INVALID)
684 return bus_send_error_reply(m, message, NULL, -EINVAL);
685
686 if ((r = manager_load_unit(m, name, NULL, &u)) < 0)
687 return bus_send_error_reply(m, message, NULL, r);
688
689 if (job_type == JOB_START && u->meta.only_by_dependency)
690 return bus_send_error_reply(m, message, NULL, -EPERM);
691
692 if ((r = manager_add_job(m, job_type, u, mode, true, &j)) < 0)
693 return bus_send_error_reply(m, message, NULL, r);
694
695 if (!(reply = dbus_message_new_method_return(message)))
696 goto oom;
697
698 if (!(path = job_dbus_path(j)))
699 goto oom;
700
701 if (!dbus_message_append_args(
702 reply,
703 DBUS_TYPE_OBJECT_PATH, &path,
704 DBUS_TYPE_INVALID))
705 goto oom;
706 }
707
ea430986
LP
708 free(path);
709
710 if (reply) {
711 if (!dbus_connection_send(connection, reply, NULL))
712 goto oom;
713
714 dbus_message_unref(reply);
715 }
716
717 return DBUS_HANDLER_RESULT_HANDLED;
718
719oom:
720 free(path);
721
722 if (reply)
723 dbus_message_unref(reply);
724
725 dbus_error_free(&error);
726
727 return DBUS_HANDLER_RESULT_NEED_MEMORY;
728}
729
730const DBusObjectPathVTable bus_manager_vtable = {
731 .message_function = bus_manager_message_handler
732};