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d6c9574f | 1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
ea430986 | 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 | |
5430f7f2 LP |
9 | under the terms of the GNU Lesser General Public License as published by |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
a7334b09 LP |
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 | |
5430f7f2 | 16 | Lesser General Public License for more details. |
a7334b09 | 17 | |
5430f7f2 | 18 | You should have received a copy of the GNU Lesser General Public License |
a7334b09 LP |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
20 | ***/ | |
21 | ||
718db961 | 22 | #include "sd-bus.h" |
ea430986 | 23 | #include "log.h" |
e2417e41 | 24 | #include "selinux-access.h" |
246aa6dd LP |
25 | #include "cgroup-util.h" |
26 | #include "strv.h" | |
27 | #include "path-util.h" | |
a5c32cff | 28 | #include "fileio.h" |
96aad8d1 | 29 | #include "bus-common-errors.h" |
8f8f05a9 LP |
30 | #include "dbus.h" |
31 | #include "dbus-manager.h" | |
32 | #include "dbus-unit.h" | |
718db961 LP |
33 | |
34 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_load_state, unit_load_state, UnitLoadState); | |
d420282b | 35 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_job_mode, job_mode, JobMode); |
f189ab18 | 36 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_failure_action, failure_action, FailureAction); |
718db961 LP |
37 | |
38 | static int property_get_names( | |
39 | sd_bus *bus, | |
40 | const char *path, | |
41 | const char *interface, | |
42 | const char *property, | |
43 | sd_bus_message *reply, | |
ebcf1f97 LP |
44 | void *userdata, |
45 | sd_bus_error *error) { | |
718db961 LP |
46 | |
47 | Unit *u = userdata; | |
48 | Iterator i; | |
49 | const char *t; | |
50 | int r; | |
ea430986 | 51 | |
718db961 LP |
52 | assert(bus); |
53 | assert(reply); | |
54 | assert(u); | |
4139c1b2 | 55 | |
718db961 LP |
56 | r = sd_bus_message_open_container(reply, 'a', "s"); |
57 | if (r < 0) | |
58 | return r; | |
4139c1b2 | 59 | |
718db961 LP |
60 | SET_FOREACH(t, u->names, i) { |
61 | r = sd_bus_message_append(reply, "s", t); | |
62 | if (r < 0) | |
63 | return r; | |
64 | } | |
4139c1b2 | 65 | |
718db961 | 66 | return sd_bus_message_close_container(reply); |
4139c1b2 LP |
67 | } |
68 | ||
718db961 LP |
69 | static int property_get_following( |
70 | sd_bus *bus, | |
71 | const char *path, | |
72 | const char *interface, | |
73 | const char *property, | |
74 | sd_bus_message *reply, | |
ebcf1f97 LP |
75 | void *userdata, |
76 | sd_bus_error *error) { | |
718db961 LP |
77 | |
78 | Unit *u = userdata, *f; | |
8fe914ec | 79 | |
718db961 LP |
80 | assert(bus); |
81 | assert(reply); | |
8fe914ec LP |
82 | assert(u); |
83 | ||
a7f241db | 84 | f = unit_following(u); |
718db961 | 85 | return sd_bus_message_append(reply, "s", f ? f->id : ""); |
8fe914ec LP |
86 | } |
87 | ||
718db961 LP |
88 | static int property_get_dependencies( |
89 | sd_bus *bus, | |
90 | const char *path, | |
91 | const char *interface, | |
92 | const char *property, | |
93 | sd_bus_message *reply, | |
ebcf1f97 LP |
94 | void *userdata, |
95 | sd_bus_error *error) { | |
4ec9a8a4 | 96 | |
718db961 | 97 | Set *s = *(Set**) userdata; |
5301be81 | 98 | Iterator j; |
718db961 LP |
99 | Unit *u; |
100 | int r; | |
5301be81 | 101 | |
718db961 LP |
102 | assert(bus); |
103 | assert(reply); | |
5301be81 | 104 | |
718db961 LP |
105 | r = sd_bus_message_open_container(reply, 'a', "s"); |
106 | if (r < 0) | |
107 | return r; | |
5301be81 | 108 | |
718db961 LP |
109 | SET_FOREACH(u, s, j) { |
110 | r = sd_bus_message_append(reply, "s", u->id); | |
111 | if (r < 0) | |
112 | return r; | |
113 | } | |
5301be81 | 114 | |
718db961 | 115 | return sd_bus_message_close_container(reply); |
5301be81 LP |
116 | } |
117 | ||
718db961 LP |
118 | static int property_get_description( |
119 | sd_bus *bus, | |
120 | const char *path, | |
121 | const char *interface, | |
122 | const char *property, | |
123 | sd_bus_message *reply, | |
ebcf1f97 LP |
124 | void *userdata, |
125 | sd_bus_error *error) { | |
ea430986 | 126 | |
718db961 | 127 | Unit *u = userdata; |
ea430986 | 128 | |
718db961 LP |
129 | assert(bus); |
130 | assert(reply); | |
131 | assert(u); | |
ea430986 | 132 | |
718db961 | 133 | return sd_bus_message_append(reply, "s", unit_description(u)); |
ea430986 LP |
134 | } |
135 | ||
718db961 LP |
136 | static int property_get_active_state( |
137 | sd_bus *bus, | |
138 | const char *path, | |
139 | const char *interface, | |
140 | const char *property, | |
141 | sd_bus_message *reply, | |
ebcf1f97 LP |
142 | void *userdata, |
143 | sd_bus_error *error) { | |
ea430986 | 144 | |
718db961 | 145 | Unit *u = userdata; |
ea430986 | 146 | |
718db961 LP |
147 | assert(bus); |
148 | assert(reply); | |
ea430986 LP |
149 | assert(u); |
150 | ||
718db961 | 151 | return sd_bus_message_append(reply, "s", unit_active_state_to_string(unit_active_state(u))); |
ea430986 LP |
152 | } |
153 | ||
718db961 LP |
154 | static int property_get_sub_state( |
155 | sd_bus *bus, | |
156 | const char *path, | |
157 | const char *interface, | |
158 | const char *property, | |
159 | sd_bus_message *reply, | |
ebcf1f97 LP |
160 | void *userdata, |
161 | sd_bus_error *error) { | |
10a94420 | 162 | |
718db961 | 163 | Unit *u = userdata; |
10a94420 | 164 | |
718db961 LP |
165 | assert(bus); |
166 | assert(reply); | |
167 | assert(u); | |
10a94420 | 168 | |
718db961 | 169 | return sd_bus_message_append(reply, "s", unit_sub_state_to_string(u)); |
10a94420 LP |
170 | } |
171 | ||
d2dc52db LP |
172 | static int property_get_unit_file_preset( |
173 | sd_bus *bus, | |
174 | const char *path, | |
175 | const char *interface, | |
176 | const char *property, | |
177 | sd_bus_message *reply, | |
178 | void *userdata, | |
179 | sd_bus_error *error) { | |
180 | ||
181 | Unit *u = userdata; | |
182 | int r; | |
183 | ||
184 | assert(bus); | |
185 | assert(reply); | |
186 | assert(u); | |
187 | ||
188 | r = unit_get_unit_file_preset(u); | |
189 | ||
190 | return sd_bus_message_append(reply, "s", | |
191 | r < 0 ? "": | |
192 | r > 0 ? "enabled" : "disabled"); | |
193 | } | |
194 | ||
718db961 LP |
195 | static int property_get_unit_file_state( |
196 | sd_bus *bus, | |
197 | const char *path, | |
198 | const char *interface, | |
199 | const char *property, | |
200 | sd_bus_message *reply, | |
ebcf1f97 LP |
201 | void *userdata, |
202 | sd_bus_error *error) { | |
a4375746 | 203 | |
718db961 | 204 | Unit *u = userdata; |
a4375746 | 205 | |
718db961 LP |
206 | assert(bus); |
207 | assert(reply); | |
208 | assert(u); | |
a4375746 | 209 | |
76445832 | 210 | return sd_bus_message_append(reply, "s", unit_file_state_to_string(unit_get_unit_file_state(u))); |
a4375746 LP |
211 | } |
212 | ||
718db961 LP |
213 | static int property_get_can_start( |
214 | sd_bus *bus, | |
215 | const char *path, | |
216 | const char *interface, | |
217 | const char *property, | |
218 | sd_bus_message *reply, | |
ebcf1f97 LP |
219 | void *userdata, |
220 | sd_bus_error *error) { | |
38131695 | 221 | |
718db961 | 222 | Unit *u = userdata; |
b5e9dba8 | 223 | |
718db961 LP |
224 | assert(bus); |
225 | assert(reply); | |
226 | assert(u); | |
b5e9dba8 | 227 | |
718db961 | 228 | return sd_bus_message_append(reply, "b", unit_can_start(u) && !u->refuse_manual_start); |
b5e9dba8 LP |
229 | } |
230 | ||
718db961 LP |
231 | static int property_get_can_stop( |
232 | sd_bus *bus, | |
233 | const char *path, | |
234 | const char *interface, | |
235 | const char *property, | |
236 | sd_bus_message *reply, | |
ebcf1f97 LP |
237 | void *userdata, |
238 | sd_bus_error *error) { | |
718db961 LP |
239 | |
240 | Unit *u = userdata; | |
b5e9dba8 | 241 | |
718db961 LP |
242 | assert(bus); |
243 | assert(reply); | |
b5e9dba8 LP |
244 | assert(u); |
245 | ||
246 | /* On the lower levels we assume that every unit we can start | |
247 | * we can also stop */ | |
248 | ||
718db961 | 249 | return sd_bus_message_append(reply, "b", unit_can_start(u) && !u->refuse_manual_stop); |
38131695 LP |
250 | } |
251 | ||
718db961 LP |
252 | static int property_get_can_reload( |
253 | sd_bus *bus, | |
254 | const char *path, | |
255 | const char *interface, | |
256 | const char *property, | |
257 | sd_bus_message *reply, | |
ebcf1f97 LP |
258 | void *userdata, |
259 | sd_bus_error *error) { | |
38131695 | 260 | |
718db961 | 261 | Unit *u = userdata; |
38131695 | 262 | |
718db961 LP |
263 | assert(bus); |
264 | assert(reply); | |
265 | assert(u); | |
38131695 | 266 | |
718db961 | 267 | return sd_bus_message_append(reply, "b", unit_can_reload(u)); |
38131695 LP |
268 | } |
269 | ||
718db961 LP |
270 | static int property_get_can_isolate( |
271 | sd_bus *bus, | |
272 | const char *path, | |
273 | const char *interface, | |
274 | const char *property, | |
275 | sd_bus_message *reply, | |
ebcf1f97 LP |
276 | void *userdata, |
277 | sd_bus_error *error) { | |
2528a7a6 | 278 | |
718db961 | 279 | Unit *u = userdata; |
2528a7a6 | 280 | |
718db961 LP |
281 | assert(bus); |
282 | assert(reply); | |
283 | assert(u); | |
2528a7a6 | 284 | |
718db961 | 285 | return sd_bus_message_append(reply, "b", unit_can_isolate(u) && !u->refuse_manual_start); |
2528a7a6 LP |
286 | } |
287 | ||
718db961 LP |
288 | static int property_get_job( |
289 | sd_bus *bus, | |
290 | const char *path, | |
291 | const char *interface, | |
292 | const char *property, | |
293 | sd_bus_message *reply, | |
ebcf1f97 LP |
294 | void *userdata, |
295 | sd_bus_error *error) { | |
718db961 | 296 | |
f93891f3 | 297 | _cleanup_free_ char *p = NULL; |
718db961 | 298 | Unit *u = userdata; |
38131695 | 299 | |
718db961 LP |
300 | assert(bus); |
301 | assert(reply); | |
38131695 LP |
302 | assert(u); |
303 | ||
718db961 LP |
304 | if (!u->job) |
305 | return sd_bus_message_append(reply, "(uo)", 0, "/"); | |
38131695 | 306 | |
718db961 LP |
307 | p = job_dbus_path(u->job); |
308 | if (!p) | |
309 | return -ENOMEM; | |
38131695 | 310 | |
718db961 LP |
311 | return sd_bus_message_append(reply, "(uo)", u->job->id, p); |
312 | } | |
38131695 | 313 | |
718db961 LP |
314 | static int property_get_need_daemon_reload( |
315 | sd_bus *bus, | |
316 | const char *path, | |
317 | const char *interface, | |
318 | const char *property, | |
319 | sd_bus_message *reply, | |
ebcf1f97 LP |
320 | void *userdata, |
321 | sd_bus_error *error) { | |
38131695 | 322 | |
718db961 | 323 | Unit *u = userdata; |
38131695 | 324 | |
718db961 LP |
325 | assert(bus); |
326 | assert(reply); | |
327 | assert(u); | |
38131695 | 328 | |
718db961 | 329 | return sd_bus_message_append(reply, "b", unit_need_daemon_reload(u)); |
38131695 LP |
330 | } |
331 | ||
718db961 LP |
332 | static int property_get_conditions( |
333 | sd_bus *bus, | |
334 | const char *path, | |
335 | const char *interface, | |
336 | const char *property, | |
337 | sd_bus_message *reply, | |
ebcf1f97 LP |
338 | void *userdata, |
339 | sd_bus_error *error) { | |
45fb0699 | 340 | |
59fccdc5 LP |
341 | const char *(*to_string)(ConditionType type) = NULL; |
342 | Condition **list = userdata, *c; | |
718db961 | 343 | int r; |
45fb0699 | 344 | |
718db961 LP |
345 | assert(bus); |
346 | assert(reply); | |
59fccdc5 LP |
347 | assert(list); |
348 | ||
349 | to_string = streq(property, "Asserts") ? assert_type_to_string : condition_type_to_string; | |
45fb0699 | 350 | |
718db961 LP |
351 | r = sd_bus_message_open_container(reply, 'a', "(sbbsi)"); |
352 | if (r < 0) | |
353 | return r; | |
45fb0699 | 354 | |
59fccdc5 | 355 | LIST_FOREACH(conditions, c, *list) { |
cc50ef13 LP |
356 | int tristate; |
357 | ||
358 | tristate = | |
359 | c->result == CONDITION_UNTESTED ? 0 : | |
360 | c->result == CONDITION_SUCCEEDED ? 1 : -1; | |
361 | ||
2c7e050f | 362 | r = sd_bus_message_append(reply, "(sbbsi)", |
59fccdc5 | 363 | to_string(c->type), |
2c7e050f | 364 | c->trigger, c->negate, |
cc50ef13 | 365 | c->parameter, tristate); |
718db961 LP |
366 | if (r < 0) |
367 | return r; | |
45fb0699 | 368 | |
718db961 | 369 | } |
52990c2e | 370 | |
718db961 | 371 | return sd_bus_message_close_container(reply); |
52990c2e ZJS |
372 | } |
373 | ||
718db961 LP |
374 | static int property_get_load_error( |
375 | sd_bus *bus, | |
376 | const char *path, | |
377 | const char *interface, | |
378 | const char *property, | |
379 | sd_bus_message *reply, | |
ebcf1f97 LP |
380 | void *userdata, |
381 | sd_bus_error *error) { | |
52990c2e | 382 | |
718db961 LP |
383 | _cleanup_bus_error_free_ sd_bus_error e = SD_BUS_ERROR_NULL; |
384 | Unit *u = userdata; | |
52990c2e | 385 | |
718db961 LP |
386 | assert(bus); |
387 | assert(reply); | |
388 | assert(u); | |
52990c2e | 389 | |
718db961 LP |
390 | if (u->load_error != 0) |
391 | sd_bus_error_set_errno(&e, u->load_error); | |
52990c2e | 392 | |
718db961 | 393 | return sd_bus_message_append(reply, "(ss)", e.name, e.message); |
52990c2e ZJS |
394 | } |
395 | ||
ebcf1f97 | 396 | int bus_unit_method_start_generic(sd_bus *bus, sd_bus_message *message, Unit *u, JobType job_type, bool reload_if_possible, sd_bus_error *error) { |
718db961 LP |
397 | const char *smode; |
398 | JobMode mode; | |
399 | int r; | |
9f39404c | 400 | |
718db961 LP |
401 | assert(bus); |
402 | assert(message); | |
9f39404c | 403 | assert(u); |
718db961 | 404 | assert(job_type >= 0 && job_type < _JOB_TYPE_MAX); |
9f39404c | 405 | |
718db961 LP |
406 | r = sd_bus_message_read(message, "s", &smode); |
407 | if (r < 0) | |
ebcf1f97 | 408 | return r; |
9f39404c | 409 | |
718db961 LP |
410 | mode = job_mode_from_string(smode); |
411 | if (mode < 0) | |
ebcf1f97 | 412 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Job mode %s invalid", smode); |
9f39404c | 413 | |
ebcf1f97 | 414 | return bus_unit_queue_job(bus, message, u, job_type, mode, reload_if_possible, error); |
9f39404c LP |
415 | } |
416 | ||
ebcf1f97 LP |
417 | static int method_start(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
418 | return bus_unit_method_start_generic(bus, message, userdata, JOB_START, false, error); | |
718db961 | 419 | } |
b548631a | 420 | |
ebcf1f97 LP |
421 | static int method_stop(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
422 | return bus_unit_method_start_generic(bus, message, userdata, JOB_STOP, false, error); | |
718db961 LP |
423 | } |
424 | ||
ebcf1f97 LP |
425 | static int method_reload(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
426 | return bus_unit_method_start_generic(bus, message, userdata, JOB_RELOAD, false, error); | |
718db961 | 427 | } |
0a524ba7 | 428 | |
ebcf1f97 LP |
429 | static int method_restart(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
430 | return bus_unit_method_start_generic(bus, message, userdata, JOB_RESTART, false, error); | |
718db961 | 431 | } |
8a0867d6 | 432 | |
ebcf1f97 LP |
433 | static int method_try_restart(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
434 | return bus_unit_method_start_generic(bus, message, userdata, JOB_TRY_RESTART, false, error); | |
718db961 | 435 | } |
cad45ba1 | 436 | |
ebcf1f97 LP |
437 | static int method_reload_or_restart(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
438 | return bus_unit_method_start_generic(bus, message, userdata, JOB_RESTART, true, error); | |
718db961 | 439 | } |
8a0867d6 | 440 | |
ebcf1f97 LP |
441 | static int method_reload_or_try_restart(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
442 | return bus_unit_method_start_generic(bus, message, userdata, JOB_TRY_RESTART, true, error); | |
718db961 | 443 | } |
8a0867d6 | 444 | |
ebcf1f97 | 445 | int bus_unit_method_kill(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
718db961 LP |
446 | Unit *u = userdata; |
447 | const char *swho; | |
448 | int32_t signo; | |
449 | KillWho who; | |
450 | int r; | |
5632e374 | 451 | |
718db961 LP |
452 | assert(bus); |
453 | assert(message); | |
454 | assert(u); | |
cad45ba1 | 455 | |
283868e1 SW |
456 | r = bus_verify_manage_unit_async_for_kill(u->manager, message, error); |
457 | if (r < 0) | |
458 | return r; | |
459 | if (r == 0) | |
460 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
461 | ||
718db961 LP |
462 | r = sd_bus_message_read(message, "si", &swho, &signo); |
463 | if (r < 0) | |
ebcf1f97 | 464 | return r; |
718db961 LP |
465 | |
466 | if (isempty(swho)) | |
467 | who = KILL_ALL; | |
468 | else { | |
469 | who = kill_who_from_string(swho); | |
470 | if (who < 0) | |
ebcf1f97 | 471 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid who argument %s", swho); |
718db961 | 472 | } |
5632e374 | 473 | |
718db961 | 474 | if (signo <= 0 || signo >= _NSIG) |
ebcf1f97 | 475 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Signal number out of range."); |
8e2af478 | 476 | |
8a188de9 | 477 | r = mac_selinux_unit_access_check(u, message, "stop", error); |
ebcf1f97 LP |
478 | if (r < 0) |
479 | return r; | |
8e2af478 | 480 | |
ebcf1f97 | 481 | r = unit_kill(u, who, signo, error); |
718db961 | 482 | if (r < 0) |
ebcf1f97 | 483 | return r; |
8e2af478 | 484 | |
df2d202e | 485 | return sd_bus_reply_method_return(message, NULL); |
718db961 | 486 | } |
8e2af478 | 487 | |
ebcf1f97 | 488 | int bus_unit_method_reset_failed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
718db961 | 489 | Unit *u = userdata; |
ebcf1f97 | 490 | int r; |
b548631a | 491 | |
718db961 LP |
492 | assert(bus); |
493 | assert(message); | |
494 | assert(u); | |
b548631a | 495 | |
283868e1 SW |
496 | r = bus_verify_manage_unit_async(u->manager, message, error); |
497 | if (r < 0) | |
498 | return r; | |
499 | if (r == 0) | |
500 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
501 | ||
8a188de9 | 502 | r = mac_selinux_unit_access_check(u, message, "reload", error); |
ebcf1f97 LP |
503 | if (r < 0) |
504 | return r; | |
b548631a | 505 | |
718db961 | 506 | unit_reset_failed(u); |
b548631a | 507 | |
df2d202e | 508 | return sd_bus_reply_method_return(message, NULL); |
ea430986 LP |
509 | } |
510 | ||
ebcf1f97 | 511 | int bus_unit_method_set_properties(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
718db961 LP |
512 | Unit *u = userdata; |
513 | int runtime, r; | |
ea430986 | 514 | |
718db961 | 515 | assert(bus); |
ea430986 | 516 | assert(message); |
718db961 | 517 | assert(u); |
80fbf05e | 518 | |
283868e1 SW |
519 | r = bus_verify_manage_unit_async(u->manager, message, error); |
520 | if (r < 0) | |
521 | return r; | |
522 | if (r == 0) | |
523 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
524 | ||
718db961 LP |
525 | r = sd_bus_message_read(message, "b", &runtime); |
526 | if (r < 0) | |
ebcf1f97 | 527 | return r; |
2cccbca4 | 528 | |
8a188de9 | 529 | r = mac_selinux_unit_access_check(u, message, "start", error); |
ebcf1f97 LP |
530 | if (r < 0) |
531 | return r; | |
cad45ba1 | 532 | |
ebcf1f97 | 533 | r = bus_unit_set_properties(u, message, runtime ? UNIT_RUNTIME : UNIT_PERSISTENT, true, error); |
718db961 | 534 | if (r < 0) |
ebcf1f97 | 535 | return r; |
2cccbca4 | 536 | |
df2d202e | 537 | return sd_bus_reply_method_return(message, NULL); |
718db961 | 538 | } |
2cccbca4 | 539 | |
718db961 LP |
540 | const sd_bus_vtable bus_unit_vtable[] = { |
541 | SD_BUS_VTABLE_START(0), | |
542 | ||
556089dc LP |
543 | SD_BUS_PROPERTY("Id", "s", NULL, offsetof(Unit, id), SD_BUS_VTABLE_PROPERTY_CONST), |
544 | SD_BUS_PROPERTY("Names", "as", property_get_names, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
718db961 | 545 | SD_BUS_PROPERTY("Following", "s", property_get_following, 0, 0), |
556089dc LP |
546 | SD_BUS_PROPERTY("Requires", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_REQUIRES]), SD_BUS_VTABLE_PROPERTY_CONST), |
547 | SD_BUS_PROPERTY("RequiresOverridable", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_REQUIRES_OVERRIDABLE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
548 | SD_BUS_PROPERTY("Requisite", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_REQUISITE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
549 | SD_BUS_PROPERTY("RequisiteOverridable", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_REQUISITE_OVERRIDABLE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
550 | SD_BUS_PROPERTY("Wants", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_WANTS]), SD_BUS_VTABLE_PROPERTY_CONST), | |
551 | SD_BUS_PROPERTY("BindsTo", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_BINDS_TO]), SD_BUS_VTABLE_PROPERTY_CONST), | |
552 | SD_BUS_PROPERTY("PartOf", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_PART_OF]), SD_BUS_VTABLE_PROPERTY_CONST), | |
553 | SD_BUS_PROPERTY("RequiredBy", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_REQUIRED_BY]), SD_BUS_VTABLE_PROPERTY_CONST), | |
554 | SD_BUS_PROPERTY("RequiredByOverridable", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_REQUIRED_BY_OVERRIDABLE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
555 | SD_BUS_PROPERTY("WantedBy", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_WANTED_BY]), SD_BUS_VTABLE_PROPERTY_CONST), | |
556 | SD_BUS_PROPERTY("BoundBy", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_BOUND_BY]), SD_BUS_VTABLE_PROPERTY_CONST), | |
557 | SD_BUS_PROPERTY("ConsistsOf", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_CONSISTS_OF]), SD_BUS_VTABLE_PROPERTY_CONST), | |
558 | SD_BUS_PROPERTY("Conflicts", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_CONFLICTS]), SD_BUS_VTABLE_PROPERTY_CONST), | |
559 | SD_BUS_PROPERTY("ConflictedBy", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_CONFLICTED_BY]), SD_BUS_VTABLE_PROPERTY_CONST), | |
560 | SD_BUS_PROPERTY("Before", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_BEFORE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
561 | SD_BUS_PROPERTY("After", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_AFTER]), SD_BUS_VTABLE_PROPERTY_CONST), | |
562 | SD_BUS_PROPERTY("OnFailure", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_ON_FAILURE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
563 | SD_BUS_PROPERTY("Triggers", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_TRIGGERS]), SD_BUS_VTABLE_PROPERTY_CONST), | |
564 | SD_BUS_PROPERTY("TriggeredBy", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_TRIGGERED_BY]), SD_BUS_VTABLE_PROPERTY_CONST), | |
565 | SD_BUS_PROPERTY("PropagatesReloadTo", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_PROPAGATES_RELOAD_TO]), SD_BUS_VTABLE_PROPERTY_CONST), | |
566 | SD_BUS_PROPERTY("ReloadPropagatedFrom", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_RELOAD_PROPAGATED_FROM]), SD_BUS_VTABLE_PROPERTY_CONST), | |
567 | SD_BUS_PROPERTY("JoinsNamespaceOf", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_JOINS_NAMESPACE_OF]), SD_BUS_VTABLE_PROPERTY_CONST), | |
568 | SD_BUS_PROPERTY("RequiresMountsFor", "as", NULL, offsetof(Unit, requires_mounts_for), SD_BUS_VTABLE_PROPERTY_CONST), | |
569 | SD_BUS_PROPERTY("Documentation", "as", NULL, offsetof(Unit, documentation), SD_BUS_VTABLE_PROPERTY_CONST), | |
570 | SD_BUS_PROPERTY("Description", "s", property_get_description, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
571 | SD_BUS_PROPERTY("LoadState", "s", property_get_load_state, offsetof(Unit, load_state), SD_BUS_VTABLE_PROPERTY_CONST), | |
718db961 LP |
572 | SD_BUS_PROPERTY("ActiveState", "s", property_get_active_state, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
573 | SD_BUS_PROPERTY("SubState", "s", property_get_sub_state, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
556089dc LP |
574 | SD_BUS_PROPERTY("FragmentPath", "s", NULL, offsetof(Unit, fragment_path), SD_BUS_VTABLE_PROPERTY_CONST), |
575 | SD_BUS_PROPERTY("SourcePath", "s", NULL, offsetof(Unit, source_path), SD_BUS_VTABLE_PROPERTY_CONST), | |
576 | SD_BUS_PROPERTY("DropInPaths", "as", NULL, offsetof(Unit, dropin_paths), SD_BUS_VTABLE_PROPERTY_CONST), | |
718db961 | 577 | SD_BUS_PROPERTY("UnitFileState", "s", property_get_unit_file_state, 0, 0), |
d2dc52db | 578 | SD_BUS_PROPERTY("UnitFilePreset", "s", property_get_unit_file_preset, 0, 0), |
718db961 LP |
579 | BUS_PROPERTY_DUAL_TIMESTAMP("InactiveExitTimestamp", offsetof(Unit, inactive_exit_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
580 | BUS_PROPERTY_DUAL_TIMESTAMP("ActiveEnterTimestamp", offsetof(Unit, active_enter_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
581 | BUS_PROPERTY_DUAL_TIMESTAMP("ActiveExitTimestamp", offsetof(Unit, active_exit_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
582 | BUS_PROPERTY_DUAL_TIMESTAMP("InactiveEnterTimestamp", offsetof(Unit, inactive_enter_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
556089dc LP |
583 | SD_BUS_PROPERTY("CanStart", "b", property_get_can_start, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
584 | SD_BUS_PROPERTY("CanStop", "b", property_get_can_stop, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
585 | SD_BUS_PROPERTY("CanReload", "b", property_get_can_reload, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
586 | SD_BUS_PROPERTY("CanIsolate", "b", property_get_can_isolate, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
718db961 | 587 | SD_BUS_PROPERTY("Job", "(uo)", property_get_job, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
556089dc LP |
588 | SD_BUS_PROPERTY("StopWhenUnneeded", "b", bus_property_get_bool, offsetof(Unit, stop_when_unneeded), SD_BUS_VTABLE_PROPERTY_CONST), |
589 | SD_BUS_PROPERTY("RefuseManualStart", "b", bus_property_get_bool, offsetof(Unit, refuse_manual_start), SD_BUS_VTABLE_PROPERTY_CONST), | |
590 | SD_BUS_PROPERTY("RefuseManualStop", "b", bus_property_get_bool, offsetof(Unit, refuse_manual_stop), SD_BUS_VTABLE_PROPERTY_CONST), | |
591 | SD_BUS_PROPERTY("AllowIsolate", "b", bus_property_get_bool, offsetof(Unit, allow_isolate), SD_BUS_VTABLE_PROPERTY_CONST), | |
592 | SD_BUS_PROPERTY("DefaultDependencies", "b", bus_property_get_bool, offsetof(Unit, default_dependencies), SD_BUS_VTABLE_PROPERTY_CONST), | |
593 | SD_BUS_PROPERTY("OnFailureJobMode", "s", property_get_job_mode, offsetof(Unit, on_failure_job_mode), SD_BUS_VTABLE_PROPERTY_CONST), | |
594 | SD_BUS_PROPERTY("IgnoreOnIsolate", "b", bus_property_get_bool, offsetof(Unit, ignore_on_isolate), SD_BUS_VTABLE_PROPERTY_CONST), | |
595 | SD_BUS_PROPERTY("IgnoreOnSnapshot", "b", bus_property_get_bool, offsetof(Unit, ignore_on_snapshot), SD_BUS_VTABLE_PROPERTY_CONST), | |
596 | SD_BUS_PROPERTY("NeedDaemonReload", "b", property_get_need_daemon_reload, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
597 | SD_BUS_PROPERTY("JobTimeoutUSec", "t", bus_property_get_usec, offsetof(Unit, job_timeout), SD_BUS_VTABLE_PROPERTY_CONST), | |
f189ab18 LP |
598 | SD_BUS_PROPERTY("JobTimeoutAction", "s", property_get_failure_action, offsetof(Unit, job_timeout_action), SD_BUS_VTABLE_PROPERTY_CONST), |
599 | SD_BUS_PROPERTY("JobTimeoutRebootArgument", "s", NULL, offsetof(Unit, job_timeout_reboot_arg), SD_BUS_VTABLE_PROPERTY_CONST), | |
718db961 | 600 | SD_BUS_PROPERTY("ConditionResult", "b", bus_property_get_bool, offsetof(Unit, condition_result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
59fccdc5 | 601 | SD_BUS_PROPERTY("AssertResult", "b", bus_property_get_bool, offsetof(Unit, assert_result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
718db961 | 602 | BUS_PROPERTY_DUAL_TIMESTAMP("ConditionTimestamp", offsetof(Unit, condition_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
59fccdc5 LP |
603 | BUS_PROPERTY_DUAL_TIMESTAMP("AssertTimestamp", offsetof(Unit, assert_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
604 | SD_BUS_PROPERTY("Conditions", "a(sbbsi)", property_get_conditions, offsetof(Unit, conditions), 0), | |
605 | SD_BUS_PROPERTY("Asserts", "a(sbbsi)", property_get_conditions, offsetof(Unit, asserts), 0), | |
556089dc LP |
606 | SD_BUS_PROPERTY("LoadError", "(ss)", property_get_load_error, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
607 | SD_BUS_PROPERTY("Transient", "b", bus_property_get_bool, offsetof(Unit, transient), SD_BUS_VTABLE_PROPERTY_CONST), | |
718db961 LP |
608 | |
609 | SD_BUS_METHOD("Start", "s", "o", method_start, 0), | |
610 | SD_BUS_METHOD("Stop", "s", "o", method_stop, 0), | |
611 | SD_BUS_METHOD("Reload", "s", "o", method_reload, 0), | |
612 | SD_BUS_METHOD("Restart", "s", "o", method_restart, 0), | |
613 | SD_BUS_METHOD("TryRestart", "s", "o", method_try_restart, 0), | |
614 | SD_BUS_METHOD("ReloadOrRestart", "s", "o", method_reload_or_restart, 0), | |
615 | SD_BUS_METHOD("ReloadOrTryRestart", "s", "o", method_reload_or_try_restart, 0), | |
616 | SD_BUS_METHOD("Kill", "si", NULL, bus_unit_method_kill, 0), | |
617 | SD_BUS_METHOD("ResetFailed", NULL, NULL, bus_unit_method_reset_failed, 0), | |
618 | SD_BUS_METHOD("SetProperties", "ba(sv)", NULL, bus_unit_method_set_properties, 0), | |
619 | ||
620 | SD_BUS_VTABLE_END | |
621 | }; | |
2cccbca4 | 622 | |
718db961 LP |
623 | static int property_get_slice( |
624 | sd_bus *bus, | |
625 | const char *path, | |
626 | const char *interface, | |
627 | const char *property, | |
628 | sd_bus_message *reply, | |
ebcf1f97 LP |
629 | void *userdata, |
630 | sd_bus_error *error) { | |
2cccbca4 | 631 | |
718db961 | 632 | Unit *u = userdata; |
2cccbca4 | 633 | |
718db961 LP |
634 | assert(bus); |
635 | assert(reply); | |
636 | assert(u); | |
2cccbca4 | 637 | |
718db961 LP |
638 | return sd_bus_message_append(reply, "s", unit_slice_name(u)); |
639 | } | |
2cccbca4 | 640 | |
718db961 LP |
641 | const sd_bus_vtable bus_unit_cgroup_vtable[] = { |
642 | SD_BUS_VTABLE_START(0), | |
643 | SD_BUS_PROPERTY("Slice", "s", property_get_slice, 0, 0), | |
644 | SD_BUS_PROPERTY("ControlGroup", "s", NULL, offsetof(Unit, cgroup_path), 0), | |
645 | SD_BUS_VTABLE_END | |
646 | }; | |
2cccbca4 | 647 | |
8f8f05a9 | 648 | static int send_new_signal(sd_bus *bus, void *userdata) { |
718db961 LP |
649 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL; |
650 | _cleanup_free_ char *p = NULL; | |
651 | Unit *u = userdata; | |
652 | int r; | |
2cccbca4 | 653 | |
718db961 LP |
654 | assert(bus); |
655 | assert(u); | |
2cccbca4 | 656 | |
718db961 LP |
657 | p = unit_dbus_path(u); |
658 | if (!u) | |
659 | return -ENOMEM; | |
2cccbca4 | 660 | |
718db961 LP |
661 | r = sd_bus_message_new_signal( |
662 | bus, | |
151b9b96 | 663 | &m, |
718db961 LP |
664 | "/org/freedesktop/systemd1", |
665 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 666 | "UnitNew"); |
718db961 LP |
667 | if (r < 0) |
668 | return r; | |
2cccbca4 | 669 | |
718db961 LP |
670 | r = sd_bus_message_append(m, "so", u->id, p); |
671 | if (r < 0) | |
672 | return r; | |
2cccbca4 | 673 | |
8f8f05a9 | 674 | return sd_bus_send(bus, m, NULL); |
718db961 | 675 | } |
2cccbca4 | 676 | |
8f8f05a9 | 677 | static int send_changed_signal(sd_bus *bus, void *userdata) { |
718db961 LP |
678 | _cleanup_free_ char *p = NULL; |
679 | Unit *u = userdata; | |
680 | int r; | |
2cccbca4 | 681 | |
718db961 LP |
682 | assert(bus); |
683 | assert(u); | |
2cccbca4 | 684 | |
718db961 | 685 | p = unit_dbus_path(u); |
9ceefc81 | 686 | if (!p) |
718db961 | 687 | return -ENOMEM; |
2cccbca4 | 688 | |
718db961 LP |
689 | /* Send a properties changed signal. First for the specific |
690 | * type, then for the generic unit. The clients may rely on | |
691 | * this order to get atomic behavior if needed. */ | |
ea430986 | 692 | |
aec8de63 LP |
693 | r = sd_bus_emit_properties_changed_strv( |
694 | bus, p, | |
695 | UNIT_VTABLE(u)->bus_interface, | |
696 | NULL); | |
fe7f06f1 | 697 | if (r < 0) |
aec8de63 | 698 | return r; |
80fbf05e | 699 | |
fe7f06f1 | 700 | return sd_bus_emit_properties_changed_strv( |
718db961 LP |
701 | bus, p, |
702 | "org.freedesktop.systemd1.Unit", | |
718db961 | 703 | NULL); |
ea430986 LP |
704 | } |
705 | ||
c1e1601e | 706 | void bus_unit_send_change_signal(Unit *u) { |
b170dd80 | 707 | int r; |
c1e1601e | 708 | assert(u); |
c1e1601e | 709 | |
ac155bb8 | 710 | if (u->in_dbus_queue) { |
71fda00f | 711 | LIST_REMOVE(dbus_queue, u->manager->dbus_unit_queue, u); |
ac155bb8 | 712 | u->in_dbus_queue = false; |
c0bd0cf7 | 713 | } |
c1e1601e | 714 | |
ac155bb8 | 715 | if (!u->id) |
04ade7d2 LP |
716 | return; |
717 | ||
8f8f05a9 | 718 | r = bus_foreach_bus(u->manager, NULL, u->sent_dbus_new_signal ? send_changed_signal : send_new_signal, u); |
718db961 | 719 | if (r < 0) |
da927ba9 | 720 | log_debug_errno(r, "Failed to send unit change signal for %s: %m", u->id); |
c1e1601e | 721 | |
718db961 LP |
722 | u->sent_dbus_new_signal = true; |
723 | } | |
c4e2ceae | 724 | |
8f8f05a9 | 725 | static int send_removed_signal(sd_bus *bus, void *userdata) { |
718db961 LP |
726 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL; |
727 | _cleanup_free_ char *p = NULL; | |
728 | Unit *u = userdata; | |
729 | int r; | |
c4e2ceae | 730 | |
718db961 LP |
731 | assert(bus); |
732 | assert(u); | |
c1e1601e | 733 | |
718db961 LP |
734 | p = unit_dbus_path(u); |
735 | if (!u) | |
736 | return -ENOMEM; | |
c1e1601e | 737 | |
718db961 LP |
738 | r = sd_bus_message_new_signal( |
739 | bus, | |
151b9b96 | 740 | &m, |
718db961 LP |
741 | "/org/freedesktop/systemd1", |
742 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 743 | "UnitRemoved"); |
718db961 LP |
744 | if (r < 0) |
745 | return r; | |
c1e1601e | 746 | |
718db961 LP |
747 | r = sd_bus_message_append(m, "so", u->id, p); |
748 | if (r < 0) | |
749 | return r; | |
c1e1601e | 750 | |
8f8f05a9 | 751 | return sd_bus_send(bus, m, NULL); |
c1e1601e LP |
752 | } |
753 | ||
754 | void bus_unit_send_removed_signal(Unit *u) { | |
718db961 | 755 | int r; |
c1e1601e LP |
756 | assert(u); |
757 | ||
ac155bb8 | 758 | if (!u->sent_dbus_new_signal) |
7535cc78 LP |
759 | bus_unit_send_change_signal(u); |
760 | ||
ac155bb8 | 761 | if (!u->id) |
04ade7d2 LP |
762 | return; |
763 | ||
8f8f05a9 | 764 | r = bus_foreach_bus(u->manager, NULL, send_removed_signal, u); |
718db961 | 765 | if (r < 0) |
da927ba9 | 766 | log_debug_errno(r, "Failed to send unit remove signal for %s: %m", u->id); |
c1e1601e | 767 | } |
e2110e5d | 768 | |
718db961 LP |
769 | int bus_unit_queue_job( |
770 | sd_bus *bus, | |
771 | sd_bus_message *message, | |
cad45ba1 LP |
772 | Unit *u, |
773 | JobType type, | |
774 | JobMode mode, | |
ebcf1f97 LP |
775 | bool reload_if_possible, |
776 | sd_bus_error *error) { | |
cad45ba1 | 777 | |
cad45ba1 LP |
778 | _cleanup_free_ char *path = NULL; |
779 | Job *j; | |
cad45ba1 LP |
780 | int r; |
781 | ||
718db961 | 782 | assert(bus); |
cad45ba1 LP |
783 | assert(message); |
784 | assert(u); | |
785 | assert(type >= 0 && type < _JOB_TYPE_MAX); | |
786 | assert(mode >= 0 && mode < _JOB_MODE_MAX); | |
787 | ||
cad45ba1 LP |
788 | if (reload_if_possible && unit_can_reload(u)) { |
789 | if (type == JOB_RESTART) | |
790 | type = JOB_RELOAD_OR_START; | |
791 | else if (type == JOB_TRY_RESTART) | |
792 | type = JOB_RELOAD; | |
793 | } | |
794 | ||
8a188de9 | 795 | r = mac_selinux_unit_access_check( |
4f4f7036 | 796 | u, message, |
ebcf1f97 LP |
797 | (type == JOB_START || type == JOB_RESTART || type == JOB_TRY_RESTART) ? "start" : |
798 | type == JOB_STOP ? "stop" : "reload", error); | |
799 | if (r < 0) | |
800 | return r; | |
cad45ba1 | 801 | |
718db961 LP |
802 | if (type == JOB_STOP && |
803 | (u->load_state == UNIT_NOT_FOUND || u->load_state == UNIT_ERROR) && | |
804 | unit_active_state(u) == UNIT_INACTIVE) | |
ebcf1f97 | 805 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s not loaded.", u->id); |
cad45ba1 LP |
806 | |
807 | if ((type == JOB_START && u->refuse_manual_start) || | |
808 | (type == JOB_STOP && u->refuse_manual_stop) || | |
718db961 | 809 | ((type == JOB_RESTART || type == JOB_TRY_RESTART) && (u->refuse_manual_start || u->refuse_manual_stop))) |
ebcf1f97 | 810 | return sd_bus_error_setf(error, BUS_ERROR_ONLY_BY_DEPENDENCY, "Operation refused, unit %s may be requested by dependency only.", u->id); |
cad45ba1 | 811 | |
ebcf1f97 | 812 | r = manager_add_job(u->manager, type, u, mode, true, error, &j); |
cad45ba1 | 813 | if (r < 0) |
ebcf1f97 | 814 | return r; |
cad45ba1 | 815 | |
8f8f05a9 | 816 | if (bus == u->manager->api_bus) { |
b39a2770 SW |
817 | if (!j->clients) { |
818 | r = sd_bus_track_new(bus, &j->clients, NULL, NULL); | |
8f8f05a9 LP |
819 | if (r < 0) |
820 | return r; | |
821 | } | |
822 | ||
b39a2770 | 823 | r = sd_bus_track_add_sender(j->clients, message); |
8f8f05a9 LP |
824 | if (r < 0) |
825 | return r; | |
826 | } | |
cad45ba1 LP |
827 | |
828 | path = job_dbus_path(j); | |
829 | if (!path) | |
6ce270b1 | 830 | return -ENOMEM; |
cad45ba1 | 831 | |
df2d202e | 832 | return sd_bus_reply_method_return(message, "o", path); |
cad45ba1 LP |
833 | } |
834 | ||
9f2e86af LP |
835 | static int bus_unit_set_transient_property( |
836 | Unit *u, | |
837 | const char *name, | |
718db961 | 838 | sd_bus_message *message, |
9f2e86af | 839 | UnitSetPropertiesMode mode, |
718db961 | 840 | sd_bus_error *error) { |
9f2e86af LP |
841 | |
842 | int r; | |
843 | ||
844 | assert(u); | |
845 | assert(name); | |
718db961 | 846 | assert(message); |
9f2e86af LP |
847 | |
848 | if (streq(name, "Description")) { | |
718db961 | 849 | const char *d; |
9f2e86af | 850 | |
718db961 LP |
851 | r = sd_bus_message_read(message, "s", &d); |
852 | if (r < 0) | |
853 | return r; | |
8aec412f | 854 | |
718db961 LP |
855 | if (mode != UNIT_CHECK) { |
856 | r = unit_set_description(u, d); | |
8aec412f LP |
857 | if (r < 0) |
858 | return r; | |
b9316fb0 | 859 | |
718db961 | 860 | unit_write_drop_in_format(u, mode, name, "[Unit]\nDescription=%s\n", d); |
8aec412f | 861 | } |
9f2e86af LP |
862 | |
863 | return 1; | |
c221420b LP |
864 | |
865 | } else if (streq(name, "Slice") && unit_get_cgroup_context(u)) { | |
866 | const char *s; | |
c221420b | 867 | |
718db961 LP |
868 | r = sd_bus_message_read(message, "s", &s); |
869 | if (r < 0) | |
870 | return r; | |
c221420b | 871 | |
f78e6385 | 872 | if (!unit_name_is_valid(s, TEMPLATE_INVALID) || !endswith(s, ".slice")) |
718db961 | 873 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid slice name %s", s); |
c221420b | 874 | |
8aec412f | 875 | if (isempty(s)) { |
b9ec9359 | 876 | if (mode != UNIT_CHECK) { |
8aec412f | 877 | unit_ref_unset(&u->slice); |
b9ec9359 LP |
878 | unit_remove_drop_in(u, mode, name); |
879 | } | |
8aec412f | 880 | } else { |
b9ec9359 | 881 | Unit *slice; |
b9316fb0 | 882 | |
8aec412f LP |
883 | r = manager_load_unit(u->manager, s, NULL, error, &slice); |
884 | if (r < 0) | |
885 | return r; | |
c221420b | 886 | |
8aec412f LP |
887 | if (slice->type != UNIT_SLICE) |
888 | return -EINVAL; | |
c221420b | 889 | |
b9ec9359 | 890 | if (mode != UNIT_CHECK) { |
8aec412f | 891 | unit_ref_set(&u->slice, slice); |
b9ec9359 LP |
892 | unit_write_drop_in_private_format(u, mode, name, "Slice=%s\n", s); |
893 | } | |
8aec412f | 894 | } |
b9ec9359 | 895 | |
c221420b | 896 | return 1; |
311f6cf3 WC |
897 | } else if (STR_IN_SET(name, |
898 | "Requires", "RequiresOverridable", | |
899 | "Requisite", "RequisiteOverridable", | |
900 | "Wants", | |
901 | "BindsTo", | |
902 | "Conflicts", | |
903 | "Before", "After", | |
904 | "OnFailure", | |
905 | "PropagatesReloadTo", "ReloadPropagatedFrom", | |
906 | "PartOf")) { | |
7fb3ee51 LP |
907 | |
908 | UnitDependency d; | |
718db961 | 909 | const char *other; |
7fb3ee51 LP |
910 | |
911 | d = unit_dependency_from_string(name); | |
912 | if (d < 0) | |
913 | return -EINVAL; | |
914 | ||
718db961 LP |
915 | r = sd_bus_message_enter_container(message, 'a', "s"); |
916 | if (r < 0) | |
917 | return r; | |
7fb3ee51 | 918 | |
718db961 | 919 | while ((r = sd_bus_message_read(message, "s", &other)) > 0) { |
f78e6385 | 920 | if (!unit_name_is_valid(other, TEMPLATE_INVALID)) |
718db961 | 921 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid unit name %s", other); |
7fb3ee51 LP |
922 | |
923 | if (mode != UNIT_CHECK) { | |
b9ec9359 | 924 | _cleanup_free_ char *label = NULL; |
7fb3ee51 LP |
925 | |
926 | r = unit_add_dependency_by_name(u, d, other, NULL, true); | |
927 | if (r < 0) | |
928 | return r; | |
929 | ||
930 | label = strjoin(name, "-", other, NULL); | |
931 | if (!label) | |
932 | return -ENOMEM; | |
933 | ||
b9ec9359 | 934 | unit_write_drop_in_format(u, mode, label, "[Unit]\n%s=%s\n", name, other); |
7fb3ee51 LP |
935 | } |
936 | ||
7fb3ee51 | 937 | } |
718db961 LP |
938 | if (r < 0) |
939 | return r; | |
7fb3ee51 | 940 | |
6ce270b1 LP |
941 | r = sd_bus_message_exit_container(message); |
942 | if (r < 0) | |
943 | return r; | |
944 | ||
7fb3ee51 | 945 | return 1; |
9f2e86af LP |
946 | } |
947 | ||
948 | return 0; | |
949 | } | |
950 | ||
c2756a68 LP |
951 | int bus_unit_set_properties( |
952 | Unit *u, | |
718db961 | 953 | sd_bus_message *message, |
c2756a68 LP |
954 | UnitSetPropertiesMode mode, |
955 | bool commit, | |
718db961 | 956 | sd_bus_error *error) { |
c2756a68 | 957 | |
8e2af478 | 958 | bool for_real = false; |
8e2af478 LP |
959 | unsigned n = 0; |
960 | int r; | |
961 | ||
962 | assert(u); | |
718db961 | 963 | assert(message); |
8e2af478 LP |
964 | |
965 | /* We iterate through the array twice. First run we just check | |
966 | * if all passed data is valid, second run actually applies | |
967 | * it. This is to implement transaction-like behaviour without | |
968 | * actually providing full transactions. */ | |
969 | ||
718db961 LP |
970 | r = sd_bus_message_enter_container(message, 'a', "(sv)"); |
971 | if (r < 0) | |
972 | return r; | |
8e2af478 | 973 | |
8e2af478 | 974 | for (;;) { |
8e2af478 LP |
975 | const char *name; |
976 | ||
718db961 LP |
977 | r = sd_bus_message_enter_container(message, 'r', "sv"); |
978 | if (r < 0) | |
979 | return r; | |
980 | if (r == 0) { | |
a255a7f1 | 981 | if (for_real || mode == UNIT_CHECK) |
8e2af478 LP |
982 | break; |
983 | ||
984 | /* Reached EOF. Let's try again, and this time for realz... */ | |
718db961 LP |
985 | r = sd_bus_message_rewind(message, false); |
986 | if (r < 0) | |
987 | return r; | |
6ce270b1 | 988 | |
8e2af478 LP |
989 | for_real = true; |
990 | continue; | |
991 | } | |
992 | ||
718db961 LP |
993 | r = sd_bus_message_read(message, "s", &name); |
994 | if (r < 0) | |
995 | return r; | |
8e2af478 | 996 | |
718db961 LP |
997 | if (!UNIT_VTABLE(u)->bus_set_property) |
998 | return sd_bus_error_setf(error, SD_BUS_ERROR_PROPERTY_READ_ONLY, "Objects of this type do not support setting properties."); | |
8e2af478 | 999 | |
718db961 LP |
1000 | r = sd_bus_message_enter_container(message, 'v', NULL); |
1001 | if (r < 0) | |
1002 | return r; | |
8e2af478 | 1003 | |
718db961 | 1004 | r = UNIT_VTABLE(u)->bus_set_property(u, name, message, for_real ? mode : UNIT_CHECK, error); |
9f2e86af | 1005 | if (r == 0 && u->transient && u->load_state == UNIT_STUB) |
718db961 LP |
1006 | r = bus_unit_set_transient_property(u, name, message, for_real ? mode : UNIT_CHECK, error); |
1007 | if (r < 0) | |
1008 | return r; | |
1009 | if (r == 0) | |
1010 | return sd_bus_error_setf(error, SD_BUS_ERROR_PROPERTY_READ_ONLY, "Cannot set property %s, or unknown property.", name); | |
1011 | ||
1012 | r = sd_bus_message_exit_container(message); | |
8e2af478 LP |
1013 | if (r < 0) |
1014 | return r; | |
8e2af478 | 1015 | |
718db961 LP |
1016 | r = sd_bus_message_exit_container(message); |
1017 | if (r < 0) | |
1018 | return r; | |
8e2af478 LP |
1019 | |
1020 | n += for_real; | |
1021 | } | |
1022 | ||
6ce270b1 LP |
1023 | r = sd_bus_message_exit_container(message); |
1024 | if (r < 0) | |
1025 | return r; | |
1026 | ||
c2756a68 | 1027 | if (commit && n > 0 && UNIT_VTABLE(u)->bus_commit_properties) |
8e2af478 LP |
1028 | UNIT_VTABLE(u)->bus_commit_properties(u); |
1029 | ||
241da328 | 1030 | return n; |
8e2af478 | 1031 | } |