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