]>
Commit | Line | Data |
---|---|---|
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" | |
96aad8d1 | 27 | #include "bus-common-errors.h" |
8f8f05a9 | 28 | #include "dbus.h" |
8f8f05a9 | 29 | #include "dbus-unit.h" |
718db961 LP |
30 | |
31 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_load_state, unit_load_state, UnitLoadState); | |
d420282b | 32 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_job_mode, job_mode, JobMode); |
f189ab18 | 33 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_failure_action, failure_action, FailureAction); |
718db961 LP |
34 | |
35 | static int property_get_names( | |
36 | sd_bus *bus, | |
37 | const char *path, | |
38 | const char *interface, | |
39 | const char *property, | |
40 | sd_bus_message *reply, | |
ebcf1f97 LP |
41 | void *userdata, |
42 | sd_bus_error *error) { | |
718db961 LP |
43 | |
44 | Unit *u = userdata; | |
45 | Iterator i; | |
46 | const char *t; | |
47 | int r; | |
ea430986 | 48 | |
718db961 LP |
49 | assert(bus); |
50 | assert(reply); | |
51 | assert(u); | |
4139c1b2 | 52 | |
718db961 LP |
53 | r = sd_bus_message_open_container(reply, 'a', "s"); |
54 | if (r < 0) | |
55 | return r; | |
4139c1b2 | 56 | |
718db961 LP |
57 | SET_FOREACH(t, u->names, i) { |
58 | r = sd_bus_message_append(reply, "s", t); | |
59 | if (r < 0) | |
60 | return r; | |
61 | } | |
4139c1b2 | 62 | |
718db961 | 63 | return sd_bus_message_close_container(reply); |
4139c1b2 LP |
64 | } |
65 | ||
718db961 LP |
66 | static int property_get_following( |
67 | sd_bus *bus, | |
68 | const char *path, | |
69 | const char *interface, | |
70 | const char *property, | |
71 | sd_bus_message *reply, | |
ebcf1f97 LP |
72 | void *userdata, |
73 | sd_bus_error *error) { | |
718db961 LP |
74 | |
75 | Unit *u = userdata, *f; | |
8fe914ec | 76 | |
718db961 LP |
77 | assert(bus); |
78 | assert(reply); | |
8fe914ec LP |
79 | assert(u); |
80 | ||
a7f241db | 81 | f = unit_following(u); |
718db961 | 82 | return sd_bus_message_append(reply, "s", f ? f->id : ""); |
8fe914ec LP |
83 | } |
84 | ||
718db961 LP |
85 | static int property_get_dependencies( |
86 | sd_bus *bus, | |
87 | const char *path, | |
88 | const char *interface, | |
89 | const char *property, | |
90 | sd_bus_message *reply, | |
ebcf1f97 LP |
91 | void *userdata, |
92 | sd_bus_error *error) { | |
4ec9a8a4 | 93 | |
718db961 | 94 | Set *s = *(Set**) userdata; |
5301be81 | 95 | Iterator j; |
718db961 LP |
96 | Unit *u; |
97 | int r; | |
5301be81 | 98 | |
718db961 LP |
99 | assert(bus); |
100 | assert(reply); | |
5301be81 | 101 | |
718db961 LP |
102 | r = sd_bus_message_open_container(reply, 'a', "s"); |
103 | if (r < 0) | |
104 | return r; | |
5301be81 | 105 | |
718db961 LP |
106 | SET_FOREACH(u, s, j) { |
107 | r = sd_bus_message_append(reply, "s", u->id); | |
108 | if (r < 0) | |
109 | return r; | |
110 | } | |
5301be81 | 111 | |
718db961 | 112 | return sd_bus_message_close_container(reply); |
5301be81 LP |
113 | } |
114 | ||
718db961 LP |
115 | static int property_get_description( |
116 | sd_bus *bus, | |
117 | const char *path, | |
118 | const char *interface, | |
119 | const char *property, | |
120 | sd_bus_message *reply, | |
ebcf1f97 LP |
121 | void *userdata, |
122 | sd_bus_error *error) { | |
ea430986 | 123 | |
718db961 | 124 | Unit *u = userdata; |
ea430986 | 125 | |
718db961 LP |
126 | assert(bus); |
127 | assert(reply); | |
128 | assert(u); | |
ea430986 | 129 | |
718db961 | 130 | return sd_bus_message_append(reply, "s", unit_description(u)); |
ea430986 LP |
131 | } |
132 | ||
718db961 LP |
133 | static int property_get_active_state( |
134 | sd_bus *bus, | |
135 | const char *path, | |
136 | const char *interface, | |
137 | const char *property, | |
138 | sd_bus_message *reply, | |
ebcf1f97 LP |
139 | void *userdata, |
140 | sd_bus_error *error) { | |
ea430986 | 141 | |
718db961 | 142 | Unit *u = userdata; |
ea430986 | 143 | |
718db961 LP |
144 | assert(bus); |
145 | assert(reply); | |
ea430986 LP |
146 | assert(u); |
147 | ||
718db961 | 148 | return sd_bus_message_append(reply, "s", unit_active_state_to_string(unit_active_state(u))); |
ea430986 LP |
149 | } |
150 | ||
718db961 LP |
151 | static int property_get_sub_state( |
152 | sd_bus *bus, | |
153 | const char *path, | |
154 | const char *interface, | |
155 | const char *property, | |
156 | sd_bus_message *reply, | |
ebcf1f97 LP |
157 | void *userdata, |
158 | sd_bus_error *error) { | |
10a94420 | 159 | |
718db961 | 160 | Unit *u = userdata; |
10a94420 | 161 | |
718db961 LP |
162 | assert(bus); |
163 | assert(reply); | |
164 | assert(u); | |
10a94420 | 165 | |
718db961 | 166 | return sd_bus_message_append(reply, "s", unit_sub_state_to_string(u)); |
10a94420 LP |
167 | } |
168 | ||
d2dc52db LP |
169 | static int property_get_unit_file_preset( |
170 | sd_bus *bus, | |
171 | const char *path, | |
172 | const char *interface, | |
173 | const char *property, | |
174 | sd_bus_message *reply, | |
175 | void *userdata, | |
176 | sd_bus_error *error) { | |
177 | ||
178 | Unit *u = userdata; | |
179 | int r; | |
180 | ||
181 | assert(bus); | |
182 | assert(reply); | |
183 | assert(u); | |
184 | ||
185 | r = unit_get_unit_file_preset(u); | |
186 | ||
187 | return sd_bus_message_append(reply, "s", | |
188 | r < 0 ? "": | |
189 | r > 0 ? "enabled" : "disabled"); | |
190 | } | |
191 | ||
718db961 LP |
192 | static int property_get_unit_file_state( |
193 | sd_bus *bus, | |
194 | const char *path, | |
195 | const char *interface, | |
196 | const char *property, | |
197 | sd_bus_message *reply, | |
ebcf1f97 LP |
198 | void *userdata, |
199 | sd_bus_error *error) { | |
a4375746 | 200 | |
718db961 | 201 | Unit *u = userdata; |
a4375746 | 202 | |
718db961 LP |
203 | assert(bus); |
204 | assert(reply); | |
205 | assert(u); | |
a4375746 | 206 | |
76445832 | 207 | return sd_bus_message_append(reply, "s", unit_file_state_to_string(unit_get_unit_file_state(u))); |
a4375746 LP |
208 | } |
209 | ||
718db961 LP |
210 | static int property_get_can_start( |
211 | sd_bus *bus, | |
212 | const char *path, | |
213 | const char *interface, | |
214 | const char *property, | |
215 | sd_bus_message *reply, | |
ebcf1f97 LP |
216 | void *userdata, |
217 | sd_bus_error *error) { | |
38131695 | 218 | |
718db961 | 219 | Unit *u = userdata; |
b5e9dba8 | 220 | |
718db961 LP |
221 | assert(bus); |
222 | assert(reply); | |
223 | assert(u); | |
b5e9dba8 | 224 | |
718db961 | 225 | return sd_bus_message_append(reply, "b", unit_can_start(u) && !u->refuse_manual_start); |
b5e9dba8 LP |
226 | } |
227 | ||
718db961 LP |
228 | static int property_get_can_stop( |
229 | sd_bus *bus, | |
230 | const char *path, | |
231 | const char *interface, | |
232 | const char *property, | |
233 | sd_bus_message *reply, | |
ebcf1f97 LP |
234 | void *userdata, |
235 | sd_bus_error *error) { | |
718db961 LP |
236 | |
237 | Unit *u = userdata; | |
b5e9dba8 | 238 | |
718db961 LP |
239 | assert(bus); |
240 | assert(reply); | |
b5e9dba8 LP |
241 | assert(u); |
242 | ||
243 | /* On the lower levels we assume that every unit we can start | |
244 | * we can also stop */ | |
245 | ||
718db961 | 246 | return sd_bus_message_append(reply, "b", unit_can_start(u) && !u->refuse_manual_stop); |
38131695 LP |
247 | } |
248 | ||
718db961 LP |
249 | static int property_get_can_reload( |
250 | sd_bus *bus, | |
251 | const char *path, | |
252 | const char *interface, | |
253 | const char *property, | |
254 | sd_bus_message *reply, | |
ebcf1f97 LP |
255 | void *userdata, |
256 | sd_bus_error *error) { | |
38131695 | 257 | |
718db961 | 258 | Unit *u = userdata; |
38131695 | 259 | |
718db961 LP |
260 | assert(bus); |
261 | assert(reply); | |
262 | assert(u); | |
38131695 | 263 | |
718db961 | 264 | return sd_bus_message_append(reply, "b", unit_can_reload(u)); |
38131695 LP |
265 | } |
266 | ||
718db961 LP |
267 | static int property_get_can_isolate( |
268 | sd_bus *bus, | |
269 | const char *path, | |
270 | const char *interface, | |
271 | const char *property, | |
272 | sd_bus_message *reply, | |
ebcf1f97 LP |
273 | void *userdata, |
274 | sd_bus_error *error) { | |
2528a7a6 | 275 | |
718db961 | 276 | Unit *u = userdata; |
2528a7a6 | 277 | |
718db961 LP |
278 | assert(bus); |
279 | assert(reply); | |
280 | assert(u); | |
2528a7a6 | 281 | |
718db961 | 282 | return sd_bus_message_append(reply, "b", unit_can_isolate(u) && !u->refuse_manual_start); |
2528a7a6 LP |
283 | } |
284 | ||
718db961 LP |
285 | static int property_get_job( |
286 | sd_bus *bus, | |
287 | const char *path, | |
288 | const char *interface, | |
289 | const char *property, | |
290 | sd_bus_message *reply, | |
ebcf1f97 LP |
291 | void *userdata, |
292 | sd_bus_error *error) { | |
718db961 | 293 | |
f93891f3 | 294 | _cleanup_free_ char *p = NULL; |
718db961 | 295 | Unit *u = userdata; |
38131695 | 296 | |
718db961 LP |
297 | assert(bus); |
298 | assert(reply); | |
38131695 LP |
299 | assert(u); |
300 | ||
718db961 LP |
301 | if (!u->job) |
302 | return sd_bus_message_append(reply, "(uo)", 0, "/"); | |
38131695 | 303 | |
718db961 LP |
304 | p = job_dbus_path(u->job); |
305 | if (!p) | |
306 | return -ENOMEM; | |
38131695 | 307 | |
718db961 LP |
308 | return sd_bus_message_append(reply, "(uo)", u->job->id, p); |
309 | } | |
38131695 | 310 | |
718db961 LP |
311 | static int property_get_need_daemon_reload( |
312 | sd_bus *bus, | |
313 | const char *path, | |
314 | const char *interface, | |
315 | const char *property, | |
316 | sd_bus_message *reply, | |
ebcf1f97 LP |
317 | void *userdata, |
318 | sd_bus_error *error) { | |
38131695 | 319 | |
718db961 | 320 | Unit *u = userdata; |
38131695 | 321 | |
718db961 LP |
322 | assert(bus); |
323 | assert(reply); | |
324 | assert(u); | |
38131695 | 325 | |
718db961 | 326 | return sd_bus_message_append(reply, "b", unit_need_daemon_reload(u)); |
38131695 LP |
327 | } |
328 | ||
718db961 LP |
329 | static int property_get_conditions( |
330 | sd_bus *bus, | |
331 | const char *path, | |
332 | const char *interface, | |
333 | const char *property, | |
334 | sd_bus_message *reply, | |
ebcf1f97 LP |
335 | void *userdata, |
336 | sd_bus_error *error) { | |
45fb0699 | 337 | |
59fccdc5 LP |
338 | const char *(*to_string)(ConditionType type) = NULL; |
339 | Condition **list = userdata, *c; | |
718db961 | 340 | int r; |
45fb0699 | 341 | |
718db961 LP |
342 | assert(bus); |
343 | assert(reply); | |
59fccdc5 LP |
344 | assert(list); |
345 | ||
346 | to_string = streq(property, "Asserts") ? assert_type_to_string : condition_type_to_string; | |
45fb0699 | 347 | |
718db961 LP |
348 | r = sd_bus_message_open_container(reply, 'a', "(sbbsi)"); |
349 | if (r < 0) | |
350 | return r; | |
45fb0699 | 351 | |
59fccdc5 | 352 | LIST_FOREACH(conditions, c, *list) { |
cc50ef13 LP |
353 | int tristate; |
354 | ||
355 | tristate = | |
356 | c->result == CONDITION_UNTESTED ? 0 : | |
357 | c->result == CONDITION_SUCCEEDED ? 1 : -1; | |
358 | ||
2c7e050f | 359 | r = sd_bus_message_append(reply, "(sbbsi)", |
59fccdc5 | 360 | to_string(c->type), |
2c7e050f | 361 | c->trigger, c->negate, |
cc50ef13 | 362 | c->parameter, tristate); |
718db961 LP |
363 | if (r < 0) |
364 | return r; | |
45fb0699 | 365 | |
718db961 | 366 | } |
52990c2e | 367 | |
718db961 | 368 | return sd_bus_message_close_container(reply); |
52990c2e ZJS |
369 | } |
370 | ||
718db961 LP |
371 | static int property_get_load_error( |
372 | sd_bus *bus, | |
373 | const char *path, | |
374 | const char *interface, | |
375 | const char *property, | |
376 | sd_bus_message *reply, | |
ebcf1f97 LP |
377 | void *userdata, |
378 | sd_bus_error *error) { | |
52990c2e | 379 | |
718db961 LP |
380 | _cleanup_bus_error_free_ sd_bus_error e = SD_BUS_ERROR_NULL; |
381 | Unit *u = userdata; | |
52990c2e | 382 | |
718db961 LP |
383 | assert(bus); |
384 | assert(reply); | |
385 | assert(u); | |
52990c2e | 386 | |
718db961 LP |
387 | if (u->load_error != 0) |
388 | sd_bus_error_set_errno(&e, u->load_error); | |
52990c2e | 389 | |
718db961 | 390 | return sd_bus_message_append(reply, "(ss)", e.name, e.message); |
52990c2e ZJS |
391 | } |
392 | ||
1d22e906 | 393 | int bus_unit_method_start_generic( |
1d22e906 LP |
394 | sd_bus_message *message, |
395 | Unit *u, | |
396 | JobType job_type, | |
397 | bool reload_if_possible, | |
398 | sd_bus_error *error) { | |
399 | ||
718db961 LP |
400 | const char *smode; |
401 | JobMode mode; | |
402 | int r; | |
9f39404c | 403 | |
718db961 | 404 | assert(message); |
9f39404c | 405 | assert(u); |
718db961 | 406 | assert(job_type >= 0 && job_type < _JOB_TYPE_MAX); |
9f39404c | 407 | |
1d22e906 LP |
408 | r = mac_selinux_unit_access_check(u, message, job_type == JOB_STOP ? "stop" : "start", error); |
409 | if (r < 0) | |
410 | return r; | |
411 | ||
718db961 LP |
412 | r = sd_bus_message_read(message, "s", &smode); |
413 | if (r < 0) | |
ebcf1f97 | 414 | return r; |
9f39404c | 415 | |
718db961 LP |
416 | mode = job_mode_from_string(smode); |
417 | if (mode < 0) | |
ebcf1f97 | 418 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Job mode %s invalid", smode); |
9f39404c | 419 | |
1d22e906 LP |
420 | r = bus_verify_manage_units_async(u->manager, message, error); |
421 | if (r < 0) | |
422 | return r; | |
423 | if (r == 0) | |
424 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
425 | ||
19070062 | 426 | return bus_unit_queue_job(message, u, job_type, mode, reload_if_possible, error); |
9f39404c LP |
427 | } |
428 | ||
19070062 LP |
429 | static int method_start(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
430 | return bus_unit_method_start_generic(message, userdata, JOB_START, false, error); | |
718db961 | 431 | } |
b548631a | 432 | |
19070062 LP |
433 | static int method_stop(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
434 | return bus_unit_method_start_generic(message, userdata, JOB_STOP, false, error); | |
718db961 LP |
435 | } |
436 | ||
19070062 LP |
437 | static int method_reload(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
438 | return bus_unit_method_start_generic(message, userdata, JOB_RELOAD, false, error); | |
718db961 | 439 | } |
0a524ba7 | 440 | |
19070062 LP |
441 | static int method_restart(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
442 | return bus_unit_method_start_generic(message, userdata, JOB_RESTART, false, error); | |
718db961 | 443 | } |
8a0867d6 | 444 | |
19070062 LP |
445 | static int method_try_restart(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
446 | return bus_unit_method_start_generic(message, userdata, JOB_TRY_RESTART, false, error); | |
718db961 | 447 | } |
cad45ba1 | 448 | |
19070062 LP |
449 | static int method_reload_or_restart(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
450 | return bus_unit_method_start_generic(message, userdata, JOB_RESTART, true, error); | |
718db961 | 451 | } |
8a0867d6 | 452 | |
19070062 LP |
453 | static int method_reload_or_try_restart(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
454 | return bus_unit_method_start_generic(message, userdata, JOB_TRY_RESTART, true, error); | |
718db961 | 455 | } |
8a0867d6 | 456 | |
19070062 | 457 | int bus_unit_method_kill(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
718db961 LP |
458 | Unit *u = userdata; |
459 | const char *swho; | |
460 | int32_t signo; | |
461 | KillWho who; | |
462 | int r; | |
5632e374 | 463 | |
718db961 LP |
464 | assert(message); |
465 | assert(u); | |
cad45ba1 | 466 | |
1d22e906 | 467 | r = mac_selinux_unit_access_check(u, message, "stop", error); |
283868e1 SW |
468 | if (r < 0) |
469 | return r; | |
283868e1 | 470 | |
718db961 LP |
471 | r = sd_bus_message_read(message, "si", &swho, &signo); |
472 | if (r < 0) | |
ebcf1f97 | 473 | return r; |
718db961 LP |
474 | |
475 | if (isempty(swho)) | |
476 | who = KILL_ALL; | |
477 | else { | |
478 | who = kill_who_from_string(swho); | |
479 | if (who < 0) | |
ebcf1f97 | 480 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid who argument %s", swho); |
718db961 | 481 | } |
5632e374 | 482 | |
718db961 | 483 | if (signo <= 0 || signo >= _NSIG) |
ebcf1f97 | 484 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Signal number out of range."); |
8e2af478 | 485 | |
1d22e906 | 486 | r = bus_verify_manage_units_async_for_kill(u->manager, message, error); |
ebcf1f97 LP |
487 | if (r < 0) |
488 | return r; | |
1d22e906 LP |
489 | if (r == 0) |
490 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
8e2af478 | 491 | |
ebcf1f97 | 492 | r = unit_kill(u, who, signo, error); |
718db961 | 493 | if (r < 0) |
ebcf1f97 | 494 | return r; |
8e2af478 | 495 | |
df2d202e | 496 | return sd_bus_reply_method_return(message, NULL); |
718db961 | 497 | } |
8e2af478 | 498 | |
19070062 | 499 | int bus_unit_method_reset_failed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
718db961 | 500 | Unit *u = userdata; |
ebcf1f97 | 501 | int r; |
b548631a | 502 | |
718db961 LP |
503 | assert(message); |
504 | assert(u); | |
b548631a | 505 | |
1d22e906 | 506 | r = mac_selinux_unit_access_check(u, message, "reload", error); |
283868e1 SW |
507 | if (r < 0) |
508 | return r; | |
283868e1 | 509 | |
1d22e906 | 510 | r = bus_verify_manage_units_async(u->manager, message, error); |
ebcf1f97 LP |
511 | if (r < 0) |
512 | return r; | |
1d22e906 LP |
513 | if (r == 0) |
514 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
b548631a | 515 | |
718db961 | 516 | unit_reset_failed(u); |
b548631a | 517 | |
df2d202e | 518 | return sd_bus_reply_method_return(message, NULL); |
ea430986 LP |
519 | } |
520 | ||
19070062 | 521 | int bus_unit_method_set_properties(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
718db961 LP |
522 | Unit *u = userdata; |
523 | int runtime, r; | |
ea430986 | 524 | |
ea430986 | 525 | assert(message); |
718db961 | 526 | assert(u); |
80fbf05e | 527 | |
1d22e906 | 528 | r = mac_selinux_unit_access_check(u, message, "start", error); |
283868e1 SW |
529 | if (r < 0) |
530 | return r; | |
283868e1 | 531 | |
718db961 LP |
532 | r = sd_bus_message_read(message, "b", &runtime); |
533 | if (r < 0) | |
ebcf1f97 | 534 | return r; |
2cccbca4 | 535 | |
1d22e906 | 536 | r = bus_verify_manage_units_async(u->manager, message, error); |
ebcf1f97 LP |
537 | if (r < 0) |
538 | return r; | |
1d22e906 LP |
539 | if (r == 0) |
540 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
cad45ba1 | 541 | |
ebcf1f97 | 542 | r = bus_unit_set_properties(u, message, runtime ? UNIT_RUNTIME : UNIT_PERSISTENT, true, error); |
718db961 | 543 | if (r < 0) |
ebcf1f97 | 544 | return r; |
2cccbca4 | 545 | |
df2d202e | 546 | return sd_bus_reply_method_return(message, NULL); |
718db961 | 547 | } |
2cccbca4 | 548 | |
718db961 LP |
549 | const sd_bus_vtable bus_unit_vtable[] = { |
550 | SD_BUS_VTABLE_START(0), | |
551 | ||
556089dc LP |
552 | SD_BUS_PROPERTY("Id", "s", NULL, offsetof(Unit, id), SD_BUS_VTABLE_PROPERTY_CONST), |
553 | SD_BUS_PROPERTY("Names", "as", property_get_names, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
718db961 | 554 | SD_BUS_PROPERTY("Following", "s", property_get_following, 0, 0), |
556089dc LP |
555 | SD_BUS_PROPERTY("Requires", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_REQUIRES]), SD_BUS_VTABLE_PROPERTY_CONST), |
556 | SD_BUS_PROPERTY("RequiresOverridable", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_REQUIRES_OVERRIDABLE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
557 | SD_BUS_PROPERTY("Requisite", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_REQUISITE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
558 | SD_BUS_PROPERTY("RequisiteOverridable", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_REQUISITE_OVERRIDABLE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
559 | SD_BUS_PROPERTY("Wants", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_WANTS]), SD_BUS_VTABLE_PROPERTY_CONST), | |
560 | SD_BUS_PROPERTY("BindsTo", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_BINDS_TO]), SD_BUS_VTABLE_PROPERTY_CONST), | |
561 | SD_BUS_PROPERTY("PartOf", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_PART_OF]), SD_BUS_VTABLE_PROPERTY_CONST), | |
562 | SD_BUS_PROPERTY("RequiredBy", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_REQUIRED_BY]), SD_BUS_VTABLE_PROPERTY_CONST), | |
563 | SD_BUS_PROPERTY("RequiredByOverridable", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_REQUIRED_BY_OVERRIDABLE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
564 | SD_BUS_PROPERTY("WantedBy", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_WANTED_BY]), SD_BUS_VTABLE_PROPERTY_CONST), | |
565 | SD_BUS_PROPERTY("BoundBy", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_BOUND_BY]), SD_BUS_VTABLE_PROPERTY_CONST), | |
566 | SD_BUS_PROPERTY("ConsistsOf", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_CONSISTS_OF]), SD_BUS_VTABLE_PROPERTY_CONST), | |
567 | SD_BUS_PROPERTY("Conflicts", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_CONFLICTS]), SD_BUS_VTABLE_PROPERTY_CONST), | |
568 | SD_BUS_PROPERTY("ConflictedBy", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_CONFLICTED_BY]), SD_BUS_VTABLE_PROPERTY_CONST), | |
569 | SD_BUS_PROPERTY("Before", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_BEFORE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
570 | SD_BUS_PROPERTY("After", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_AFTER]), SD_BUS_VTABLE_PROPERTY_CONST), | |
571 | SD_BUS_PROPERTY("OnFailure", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_ON_FAILURE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
572 | SD_BUS_PROPERTY("Triggers", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_TRIGGERS]), SD_BUS_VTABLE_PROPERTY_CONST), | |
573 | SD_BUS_PROPERTY("TriggeredBy", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_TRIGGERED_BY]), SD_BUS_VTABLE_PROPERTY_CONST), | |
574 | SD_BUS_PROPERTY("PropagatesReloadTo", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_PROPAGATES_RELOAD_TO]), SD_BUS_VTABLE_PROPERTY_CONST), | |
575 | SD_BUS_PROPERTY("ReloadPropagatedFrom", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_RELOAD_PROPAGATED_FROM]), SD_BUS_VTABLE_PROPERTY_CONST), | |
576 | SD_BUS_PROPERTY("JoinsNamespaceOf", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_JOINS_NAMESPACE_OF]), SD_BUS_VTABLE_PROPERTY_CONST), | |
577 | SD_BUS_PROPERTY("RequiresMountsFor", "as", NULL, offsetof(Unit, requires_mounts_for), SD_BUS_VTABLE_PROPERTY_CONST), | |
578 | SD_BUS_PROPERTY("Documentation", "as", NULL, offsetof(Unit, documentation), SD_BUS_VTABLE_PROPERTY_CONST), | |
579 | SD_BUS_PROPERTY("Description", "s", property_get_description, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
580 | SD_BUS_PROPERTY("LoadState", "s", property_get_load_state, offsetof(Unit, load_state), SD_BUS_VTABLE_PROPERTY_CONST), | |
718db961 LP |
581 | SD_BUS_PROPERTY("ActiveState", "s", property_get_active_state, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
582 | SD_BUS_PROPERTY("SubState", "s", property_get_sub_state, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
556089dc LP |
583 | SD_BUS_PROPERTY("FragmentPath", "s", NULL, offsetof(Unit, fragment_path), SD_BUS_VTABLE_PROPERTY_CONST), |
584 | SD_BUS_PROPERTY("SourcePath", "s", NULL, offsetof(Unit, source_path), SD_BUS_VTABLE_PROPERTY_CONST), | |
585 | SD_BUS_PROPERTY("DropInPaths", "as", NULL, offsetof(Unit, dropin_paths), SD_BUS_VTABLE_PROPERTY_CONST), | |
718db961 | 586 | SD_BUS_PROPERTY("UnitFileState", "s", property_get_unit_file_state, 0, 0), |
d2dc52db | 587 | SD_BUS_PROPERTY("UnitFilePreset", "s", property_get_unit_file_preset, 0, 0), |
718db961 LP |
588 | BUS_PROPERTY_DUAL_TIMESTAMP("InactiveExitTimestamp", offsetof(Unit, inactive_exit_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
589 | BUS_PROPERTY_DUAL_TIMESTAMP("ActiveEnterTimestamp", offsetof(Unit, active_enter_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
590 | BUS_PROPERTY_DUAL_TIMESTAMP("ActiveExitTimestamp", offsetof(Unit, active_exit_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
591 | BUS_PROPERTY_DUAL_TIMESTAMP("InactiveEnterTimestamp", offsetof(Unit, inactive_enter_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
556089dc LP |
592 | SD_BUS_PROPERTY("CanStart", "b", property_get_can_start, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
593 | SD_BUS_PROPERTY("CanStop", "b", property_get_can_stop, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
594 | SD_BUS_PROPERTY("CanReload", "b", property_get_can_reload, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
595 | SD_BUS_PROPERTY("CanIsolate", "b", property_get_can_isolate, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
718db961 | 596 | SD_BUS_PROPERTY("Job", "(uo)", property_get_job, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
556089dc LP |
597 | SD_BUS_PROPERTY("StopWhenUnneeded", "b", bus_property_get_bool, offsetof(Unit, stop_when_unneeded), SD_BUS_VTABLE_PROPERTY_CONST), |
598 | SD_BUS_PROPERTY("RefuseManualStart", "b", bus_property_get_bool, offsetof(Unit, refuse_manual_start), SD_BUS_VTABLE_PROPERTY_CONST), | |
599 | SD_BUS_PROPERTY("RefuseManualStop", "b", bus_property_get_bool, offsetof(Unit, refuse_manual_stop), SD_BUS_VTABLE_PROPERTY_CONST), | |
600 | SD_BUS_PROPERTY("AllowIsolate", "b", bus_property_get_bool, offsetof(Unit, allow_isolate), SD_BUS_VTABLE_PROPERTY_CONST), | |
601 | SD_BUS_PROPERTY("DefaultDependencies", "b", bus_property_get_bool, offsetof(Unit, default_dependencies), SD_BUS_VTABLE_PROPERTY_CONST), | |
602 | SD_BUS_PROPERTY("OnFailureJobMode", "s", property_get_job_mode, offsetof(Unit, on_failure_job_mode), SD_BUS_VTABLE_PROPERTY_CONST), | |
603 | SD_BUS_PROPERTY("IgnoreOnIsolate", "b", bus_property_get_bool, offsetof(Unit, ignore_on_isolate), SD_BUS_VTABLE_PROPERTY_CONST), | |
604 | SD_BUS_PROPERTY("IgnoreOnSnapshot", "b", bus_property_get_bool, offsetof(Unit, ignore_on_snapshot), SD_BUS_VTABLE_PROPERTY_CONST), | |
605 | SD_BUS_PROPERTY("NeedDaemonReload", "b", property_get_need_daemon_reload, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
606 | SD_BUS_PROPERTY("JobTimeoutUSec", "t", bus_property_get_usec, offsetof(Unit, job_timeout), SD_BUS_VTABLE_PROPERTY_CONST), | |
f189ab18 LP |
607 | SD_BUS_PROPERTY("JobTimeoutAction", "s", property_get_failure_action, offsetof(Unit, job_timeout_action), SD_BUS_VTABLE_PROPERTY_CONST), |
608 | SD_BUS_PROPERTY("JobTimeoutRebootArgument", "s", NULL, offsetof(Unit, job_timeout_reboot_arg), SD_BUS_VTABLE_PROPERTY_CONST), | |
718db961 | 609 | SD_BUS_PROPERTY("ConditionResult", "b", bus_property_get_bool, offsetof(Unit, condition_result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
59fccdc5 | 610 | SD_BUS_PROPERTY("AssertResult", "b", bus_property_get_bool, offsetof(Unit, assert_result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
718db961 | 611 | BUS_PROPERTY_DUAL_TIMESTAMP("ConditionTimestamp", offsetof(Unit, condition_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
59fccdc5 LP |
612 | BUS_PROPERTY_DUAL_TIMESTAMP("AssertTimestamp", offsetof(Unit, assert_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
613 | SD_BUS_PROPERTY("Conditions", "a(sbbsi)", property_get_conditions, offsetof(Unit, conditions), 0), | |
614 | SD_BUS_PROPERTY("Asserts", "a(sbbsi)", property_get_conditions, offsetof(Unit, asserts), 0), | |
556089dc LP |
615 | SD_BUS_PROPERTY("LoadError", "(ss)", property_get_load_error, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
616 | SD_BUS_PROPERTY("Transient", "b", bus_property_get_bool, offsetof(Unit, transient), SD_BUS_VTABLE_PROPERTY_CONST), | |
718db961 | 617 | |
1d22e906 LP |
618 | SD_BUS_METHOD("Start", "s", "o", method_start, SD_BUS_VTABLE_UNPRIVILEGED), |
619 | SD_BUS_METHOD("Stop", "s", "o", method_stop, SD_BUS_VTABLE_UNPRIVILEGED), | |
620 | SD_BUS_METHOD("Reload", "s", "o", method_reload, SD_BUS_VTABLE_UNPRIVILEGED), | |
621 | SD_BUS_METHOD("Restart", "s", "o", method_restart, SD_BUS_VTABLE_UNPRIVILEGED), | |
622 | SD_BUS_METHOD("TryRestart", "s", "o", method_try_restart, SD_BUS_VTABLE_UNPRIVILEGED), | |
623 | SD_BUS_METHOD("ReloadOrRestart", "s", "o", method_reload_or_restart, SD_BUS_VTABLE_UNPRIVILEGED), | |
624 | SD_BUS_METHOD("ReloadOrTryRestart", "s", "o", method_reload_or_try_restart, SD_BUS_VTABLE_UNPRIVILEGED), | |
625 | SD_BUS_METHOD("Kill", "si", NULL, bus_unit_method_kill, SD_BUS_VTABLE_UNPRIVILEGED), | |
626 | SD_BUS_METHOD("ResetFailed", NULL, NULL, bus_unit_method_reset_failed, SD_BUS_VTABLE_UNPRIVILEGED), | |
627 | SD_BUS_METHOD("SetProperties", "ba(sv)", NULL, bus_unit_method_set_properties, SD_BUS_VTABLE_UNPRIVILEGED), | |
718db961 LP |
628 | |
629 | SD_BUS_VTABLE_END | |
630 | }; | |
2cccbca4 | 631 | |
718db961 LP |
632 | static int property_get_slice( |
633 | sd_bus *bus, | |
634 | const char *path, | |
635 | const char *interface, | |
636 | const char *property, | |
637 | sd_bus_message *reply, | |
ebcf1f97 LP |
638 | void *userdata, |
639 | sd_bus_error *error) { | |
2cccbca4 | 640 | |
718db961 | 641 | Unit *u = userdata; |
2cccbca4 | 642 | |
718db961 LP |
643 | assert(bus); |
644 | assert(reply); | |
645 | assert(u); | |
2cccbca4 | 646 | |
718db961 LP |
647 | return sd_bus_message_append(reply, "s", unit_slice_name(u)); |
648 | } | |
2cccbca4 | 649 | |
934277fe LP |
650 | static int property_get_current_memory( |
651 | sd_bus *bus, | |
652 | const char *path, | |
653 | const char *interface, | |
654 | const char *property, | |
655 | sd_bus_message *reply, | |
656 | void *userdata, | |
657 | sd_bus_error *error) { | |
658 | ||
934277fe | 659 | uint64_t sz = (uint64_t) -1; |
5ad096b3 | 660 | Unit *u = userdata; |
934277fe LP |
661 | int r; |
662 | ||
663 | assert(bus); | |
664 | assert(reply); | |
665 | assert(u); | |
666 | ||
5ad096b3 LP |
667 | r = unit_get_memory_current(u, &sz); |
668 | if (r < 0 && r != -ENODATA) | |
669 | log_unit_warning_errno(u->id, r, "Failed to get memory.usage_in_bytes attribute: %m"); | |
934277fe | 670 | |
5ad096b3 LP |
671 | return sd_bus_message_append(reply, "t", sz); |
672 | } | |
934277fe | 673 | |
5ad096b3 LP |
674 | static int property_get_cpu_usage( |
675 | sd_bus *bus, | |
676 | const char *path, | |
677 | const char *interface, | |
678 | const char *property, | |
679 | sd_bus_message *reply, | |
680 | void *userdata, | |
681 | sd_bus_error *error) { | |
934277fe | 682 | |
5ad096b3 LP |
683 | nsec_t ns = (nsec_t) -1; |
684 | Unit *u = userdata; | |
685 | int r; | |
686 | ||
687 | assert(bus); | |
688 | assert(reply); | |
689 | assert(u); | |
690 | ||
691 | r = unit_get_cpu_usage(u, &ns); | |
692 | if (r < 0 && r != -ENODATA) | |
693 | log_unit_warning_errno(u->id, r, "Failed to get cpuacct.usage attribute: %m"); | |
694 | ||
695 | return sd_bus_message_append(reply, "t", ns); | |
934277fe LP |
696 | } |
697 | ||
718db961 LP |
698 | const sd_bus_vtable bus_unit_cgroup_vtable[] = { |
699 | SD_BUS_VTABLE_START(0), | |
700 | SD_BUS_PROPERTY("Slice", "s", property_get_slice, 0, 0), | |
701 | SD_BUS_PROPERTY("ControlGroup", "s", NULL, offsetof(Unit, cgroup_path), 0), | |
934277fe | 702 | SD_BUS_PROPERTY("MemoryCurrent", "t", property_get_current_memory, 0, 0), |
5ad096b3 | 703 | SD_BUS_PROPERTY("CPUUsageNSec", "t", property_get_cpu_usage, 0, 0), |
718db961 LP |
704 | SD_BUS_VTABLE_END |
705 | }; | |
2cccbca4 | 706 | |
8f8f05a9 | 707 | static int send_new_signal(sd_bus *bus, void *userdata) { |
718db961 LP |
708 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL; |
709 | _cleanup_free_ char *p = NULL; | |
710 | Unit *u = userdata; | |
711 | int r; | |
2cccbca4 | 712 | |
718db961 LP |
713 | assert(bus); |
714 | assert(u); | |
2cccbca4 | 715 | |
718db961 LP |
716 | p = unit_dbus_path(u); |
717 | if (!u) | |
718 | return -ENOMEM; | |
2cccbca4 | 719 | |
718db961 LP |
720 | r = sd_bus_message_new_signal( |
721 | bus, | |
151b9b96 | 722 | &m, |
718db961 LP |
723 | "/org/freedesktop/systemd1", |
724 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 725 | "UnitNew"); |
718db961 LP |
726 | if (r < 0) |
727 | return r; | |
2cccbca4 | 728 | |
718db961 LP |
729 | r = sd_bus_message_append(m, "so", u->id, p); |
730 | if (r < 0) | |
731 | return r; | |
2cccbca4 | 732 | |
8f8f05a9 | 733 | return sd_bus_send(bus, m, NULL); |
718db961 | 734 | } |
2cccbca4 | 735 | |
8f8f05a9 | 736 | static int send_changed_signal(sd_bus *bus, void *userdata) { |
718db961 LP |
737 | _cleanup_free_ char *p = NULL; |
738 | Unit *u = userdata; | |
739 | int r; | |
2cccbca4 | 740 | |
718db961 LP |
741 | assert(bus); |
742 | assert(u); | |
2cccbca4 | 743 | |
718db961 | 744 | p = unit_dbus_path(u); |
9ceefc81 | 745 | if (!p) |
718db961 | 746 | return -ENOMEM; |
2cccbca4 | 747 | |
718db961 LP |
748 | /* Send a properties changed signal. First for the specific |
749 | * type, then for the generic unit. The clients may rely on | |
750 | * this order to get atomic behavior if needed. */ | |
ea430986 | 751 | |
aec8de63 LP |
752 | r = sd_bus_emit_properties_changed_strv( |
753 | bus, p, | |
754 | UNIT_VTABLE(u)->bus_interface, | |
755 | NULL); | |
fe7f06f1 | 756 | if (r < 0) |
aec8de63 | 757 | return r; |
80fbf05e | 758 | |
fe7f06f1 | 759 | return sd_bus_emit_properties_changed_strv( |
718db961 LP |
760 | bus, p, |
761 | "org.freedesktop.systemd1.Unit", | |
718db961 | 762 | NULL); |
ea430986 LP |
763 | } |
764 | ||
c1e1601e | 765 | void bus_unit_send_change_signal(Unit *u) { |
b170dd80 | 766 | int r; |
c1e1601e | 767 | assert(u); |
c1e1601e | 768 | |
ac155bb8 | 769 | if (u->in_dbus_queue) { |
71fda00f | 770 | LIST_REMOVE(dbus_queue, u->manager->dbus_unit_queue, u); |
ac155bb8 | 771 | u->in_dbus_queue = false; |
c0bd0cf7 | 772 | } |
c1e1601e | 773 | |
ac155bb8 | 774 | if (!u->id) |
04ade7d2 LP |
775 | return; |
776 | ||
8f8f05a9 | 777 | r = bus_foreach_bus(u->manager, NULL, u->sent_dbus_new_signal ? send_changed_signal : send_new_signal, u); |
718db961 | 778 | if (r < 0) |
da927ba9 | 779 | log_debug_errno(r, "Failed to send unit change signal for %s: %m", u->id); |
c1e1601e | 780 | |
718db961 LP |
781 | u->sent_dbus_new_signal = true; |
782 | } | |
c4e2ceae | 783 | |
8f8f05a9 | 784 | static int send_removed_signal(sd_bus *bus, void *userdata) { |
718db961 LP |
785 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL; |
786 | _cleanup_free_ char *p = NULL; | |
787 | Unit *u = userdata; | |
788 | int r; | |
c4e2ceae | 789 | |
718db961 LP |
790 | assert(bus); |
791 | assert(u); | |
c1e1601e | 792 | |
718db961 LP |
793 | p = unit_dbus_path(u); |
794 | if (!u) | |
795 | return -ENOMEM; | |
c1e1601e | 796 | |
718db961 LP |
797 | r = sd_bus_message_new_signal( |
798 | bus, | |
151b9b96 | 799 | &m, |
718db961 LP |
800 | "/org/freedesktop/systemd1", |
801 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 802 | "UnitRemoved"); |
718db961 LP |
803 | if (r < 0) |
804 | return r; | |
c1e1601e | 805 | |
718db961 LP |
806 | r = sd_bus_message_append(m, "so", u->id, p); |
807 | if (r < 0) | |
808 | return r; | |
c1e1601e | 809 | |
8f8f05a9 | 810 | return sd_bus_send(bus, m, NULL); |
c1e1601e LP |
811 | } |
812 | ||
813 | void bus_unit_send_removed_signal(Unit *u) { | |
718db961 | 814 | int r; |
c1e1601e LP |
815 | assert(u); |
816 | ||
ac155bb8 | 817 | if (!u->sent_dbus_new_signal) |
7535cc78 LP |
818 | bus_unit_send_change_signal(u); |
819 | ||
ac155bb8 | 820 | if (!u->id) |
04ade7d2 LP |
821 | return; |
822 | ||
8f8f05a9 | 823 | r = bus_foreach_bus(u->manager, NULL, send_removed_signal, u); |
718db961 | 824 | if (r < 0) |
da927ba9 | 825 | log_debug_errno(r, "Failed to send unit remove signal for %s: %m", u->id); |
c1e1601e | 826 | } |
e2110e5d | 827 | |
718db961 | 828 | int bus_unit_queue_job( |
718db961 | 829 | sd_bus_message *message, |
cad45ba1 LP |
830 | Unit *u, |
831 | JobType type, | |
832 | JobMode mode, | |
ebcf1f97 LP |
833 | bool reload_if_possible, |
834 | sd_bus_error *error) { | |
cad45ba1 | 835 | |
cad45ba1 LP |
836 | _cleanup_free_ char *path = NULL; |
837 | Job *j; | |
cad45ba1 LP |
838 | int r; |
839 | ||
cad45ba1 LP |
840 | assert(message); |
841 | assert(u); | |
842 | assert(type >= 0 && type < _JOB_TYPE_MAX); | |
843 | assert(mode >= 0 && mode < _JOB_MODE_MAX); | |
844 | ||
cad45ba1 LP |
845 | if (reload_if_possible && unit_can_reload(u)) { |
846 | if (type == JOB_RESTART) | |
847 | type = JOB_RELOAD_OR_START; | |
848 | else if (type == JOB_TRY_RESTART) | |
849 | type = JOB_RELOAD; | |
850 | } | |
851 | ||
8a188de9 | 852 | r = mac_selinux_unit_access_check( |
4f4f7036 | 853 | u, message, |
ebcf1f97 LP |
854 | (type == JOB_START || type == JOB_RESTART || type == JOB_TRY_RESTART) ? "start" : |
855 | type == JOB_STOP ? "stop" : "reload", error); | |
856 | if (r < 0) | |
857 | return r; | |
cad45ba1 | 858 | |
718db961 LP |
859 | if (type == JOB_STOP && |
860 | (u->load_state == UNIT_NOT_FOUND || u->load_state == UNIT_ERROR) && | |
861 | unit_active_state(u) == UNIT_INACTIVE) | |
ebcf1f97 | 862 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s not loaded.", u->id); |
cad45ba1 LP |
863 | |
864 | if ((type == JOB_START && u->refuse_manual_start) || | |
865 | (type == JOB_STOP && u->refuse_manual_stop) || | |
718db961 | 866 | ((type == JOB_RESTART || type == JOB_TRY_RESTART) && (u->refuse_manual_start || u->refuse_manual_stop))) |
ebcf1f97 | 867 | return sd_bus_error_setf(error, BUS_ERROR_ONLY_BY_DEPENDENCY, "Operation refused, unit %s may be requested by dependency only.", u->id); |
cad45ba1 | 868 | |
ebcf1f97 | 869 | r = manager_add_job(u->manager, type, u, mode, true, error, &j); |
cad45ba1 | 870 | if (r < 0) |
ebcf1f97 | 871 | return r; |
cad45ba1 | 872 | |
19070062 | 873 | if (sd_bus_message_get_bus(message) == u->manager->api_bus) { |
b39a2770 | 874 | if (!j->clients) { |
19070062 | 875 | r = sd_bus_track_new(sd_bus_message_get_bus(message), &j->clients, NULL, NULL); |
8f8f05a9 LP |
876 | if (r < 0) |
877 | return r; | |
878 | } | |
879 | ||
b39a2770 | 880 | r = sd_bus_track_add_sender(j->clients, message); |
8f8f05a9 LP |
881 | if (r < 0) |
882 | return r; | |
883 | } | |
cad45ba1 LP |
884 | |
885 | path = job_dbus_path(j); | |
886 | if (!path) | |
6ce270b1 | 887 | return -ENOMEM; |
cad45ba1 | 888 | |
df2d202e | 889 | return sd_bus_reply_method_return(message, "o", path); |
cad45ba1 LP |
890 | } |
891 | ||
9f2e86af LP |
892 | static int bus_unit_set_transient_property( |
893 | Unit *u, | |
894 | const char *name, | |
718db961 | 895 | sd_bus_message *message, |
9f2e86af | 896 | UnitSetPropertiesMode mode, |
718db961 | 897 | sd_bus_error *error) { |
9f2e86af LP |
898 | |
899 | int r; | |
900 | ||
901 | assert(u); | |
902 | assert(name); | |
718db961 | 903 | assert(message); |
9f2e86af LP |
904 | |
905 | if (streq(name, "Description")) { | |
718db961 | 906 | const char *d; |
9f2e86af | 907 | |
718db961 LP |
908 | r = sd_bus_message_read(message, "s", &d); |
909 | if (r < 0) | |
910 | return r; | |
8aec412f | 911 | |
718db961 LP |
912 | if (mode != UNIT_CHECK) { |
913 | r = unit_set_description(u, d); | |
8aec412f LP |
914 | if (r < 0) |
915 | return r; | |
b9316fb0 | 916 | |
718db961 | 917 | unit_write_drop_in_format(u, mode, name, "[Unit]\nDescription=%s\n", d); |
8aec412f | 918 | } |
9f2e86af LP |
919 | |
920 | return 1; | |
261420ba LP |
921 | |
922 | } else if (streq(name, "DefaultDependencies")) { | |
923 | int b; | |
924 | ||
925 | r = sd_bus_message_read(message, "b", &b); | |
926 | if (r < 0) | |
927 | return r; | |
928 | ||
929 | if (mode != UNIT_CHECK) { | |
930 | u->default_dependencies = b; | |
931 | unit_write_drop_in_format(u, mode, name, "[Unit]\nDefaultDependencies=%s\n", yes_no(b)); | |
932 | } | |
933 | ||
934 | return 1; | |
c221420b LP |
935 | |
936 | } else if (streq(name, "Slice") && unit_get_cgroup_context(u)) { | |
937 | const char *s; | |
c221420b | 938 | |
718db961 LP |
939 | r = sd_bus_message_read(message, "s", &s); |
940 | if (r < 0) | |
941 | return r; | |
c221420b | 942 | |
f78e6385 | 943 | if (!unit_name_is_valid(s, TEMPLATE_INVALID) || !endswith(s, ".slice")) |
718db961 | 944 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid slice name %s", s); |
c221420b | 945 | |
8aec412f | 946 | if (isempty(s)) { |
b9ec9359 | 947 | if (mode != UNIT_CHECK) { |
8aec412f | 948 | unit_ref_unset(&u->slice); |
b9ec9359 LP |
949 | unit_remove_drop_in(u, mode, name); |
950 | } | |
8aec412f | 951 | } else { |
b9ec9359 | 952 | Unit *slice; |
b9316fb0 | 953 | |
8aec412f LP |
954 | r = manager_load_unit(u->manager, s, NULL, error, &slice); |
955 | if (r < 0) | |
956 | return r; | |
c221420b | 957 | |
8aec412f LP |
958 | if (slice->type != UNIT_SLICE) |
959 | return -EINVAL; | |
c221420b | 960 | |
b9ec9359 | 961 | if (mode != UNIT_CHECK) { |
8aec412f | 962 | unit_ref_set(&u->slice, slice); |
b9ec9359 LP |
963 | unit_write_drop_in_private_format(u, mode, name, "Slice=%s\n", s); |
964 | } | |
8aec412f | 965 | } |
b9ec9359 | 966 | |
c221420b | 967 | return 1; |
311f6cf3 WC |
968 | } else if (STR_IN_SET(name, |
969 | "Requires", "RequiresOverridable", | |
970 | "Requisite", "RequisiteOverridable", | |
971 | "Wants", | |
972 | "BindsTo", | |
973 | "Conflicts", | |
974 | "Before", "After", | |
975 | "OnFailure", | |
976 | "PropagatesReloadTo", "ReloadPropagatedFrom", | |
977 | "PartOf")) { | |
7fb3ee51 LP |
978 | |
979 | UnitDependency d; | |
718db961 | 980 | const char *other; |
7fb3ee51 LP |
981 | |
982 | d = unit_dependency_from_string(name); | |
983 | if (d < 0) | |
984 | return -EINVAL; | |
985 | ||
718db961 LP |
986 | r = sd_bus_message_enter_container(message, 'a', "s"); |
987 | if (r < 0) | |
988 | return r; | |
7fb3ee51 | 989 | |
718db961 | 990 | while ((r = sd_bus_message_read(message, "s", &other)) > 0) { |
f78e6385 | 991 | if (!unit_name_is_valid(other, TEMPLATE_INVALID)) |
718db961 | 992 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid unit name %s", other); |
7fb3ee51 LP |
993 | |
994 | if (mode != UNIT_CHECK) { | |
b9ec9359 | 995 | _cleanup_free_ char *label = NULL; |
7fb3ee51 LP |
996 | |
997 | r = unit_add_dependency_by_name(u, d, other, NULL, true); | |
998 | if (r < 0) | |
999 | return r; | |
1000 | ||
1001 | label = strjoin(name, "-", other, NULL); | |
1002 | if (!label) | |
1003 | return -ENOMEM; | |
1004 | ||
b9ec9359 | 1005 | unit_write_drop_in_format(u, mode, label, "[Unit]\n%s=%s\n", name, other); |
7fb3ee51 LP |
1006 | } |
1007 | ||
7fb3ee51 | 1008 | } |
718db961 LP |
1009 | if (r < 0) |
1010 | return r; | |
7fb3ee51 | 1011 | |
6ce270b1 LP |
1012 | r = sd_bus_message_exit_container(message); |
1013 | if (r < 0) | |
1014 | return r; | |
1015 | ||
7fb3ee51 | 1016 | return 1; |
9f2e86af LP |
1017 | } |
1018 | ||
1019 | return 0; | |
1020 | } | |
1021 | ||
c2756a68 LP |
1022 | int bus_unit_set_properties( |
1023 | Unit *u, | |
718db961 | 1024 | sd_bus_message *message, |
c2756a68 LP |
1025 | UnitSetPropertiesMode mode, |
1026 | bool commit, | |
718db961 | 1027 | sd_bus_error *error) { |
c2756a68 | 1028 | |
8e2af478 | 1029 | bool for_real = false; |
8e2af478 LP |
1030 | unsigned n = 0; |
1031 | int r; | |
1032 | ||
1033 | assert(u); | |
718db961 | 1034 | assert(message); |
8e2af478 LP |
1035 | |
1036 | /* We iterate through the array twice. First run we just check | |
1037 | * if all passed data is valid, second run actually applies | |
1038 | * it. This is to implement transaction-like behaviour without | |
1039 | * actually providing full transactions. */ | |
1040 | ||
718db961 LP |
1041 | r = sd_bus_message_enter_container(message, 'a', "(sv)"); |
1042 | if (r < 0) | |
1043 | return r; | |
8e2af478 | 1044 | |
8e2af478 | 1045 | for (;;) { |
8e2af478 LP |
1046 | const char *name; |
1047 | ||
718db961 LP |
1048 | r = sd_bus_message_enter_container(message, 'r', "sv"); |
1049 | if (r < 0) | |
1050 | return r; | |
1051 | if (r == 0) { | |
a255a7f1 | 1052 | if (for_real || mode == UNIT_CHECK) |
8e2af478 LP |
1053 | break; |
1054 | ||
1055 | /* Reached EOF. Let's try again, and this time for realz... */ | |
718db961 LP |
1056 | r = sd_bus_message_rewind(message, false); |
1057 | if (r < 0) | |
1058 | return r; | |
6ce270b1 | 1059 | |
8e2af478 LP |
1060 | for_real = true; |
1061 | continue; | |
1062 | } | |
1063 | ||
718db961 LP |
1064 | r = sd_bus_message_read(message, "s", &name); |
1065 | if (r < 0) | |
1066 | return r; | |
8e2af478 | 1067 | |
718db961 LP |
1068 | if (!UNIT_VTABLE(u)->bus_set_property) |
1069 | return sd_bus_error_setf(error, SD_BUS_ERROR_PROPERTY_READ_ONLY, "Objects of this type do not support setting properties."); | |
8e2af478 | 1070 | |
718db961 LP |
1071 | r = sd_bus_message_enter_container(message, 'v', NULL); |
1072 | if (r < 0) | |
1073 | return r; | |
8e2af478 | 1074 | |
718db961 | 1075 | r = UNIT_VTABLE(u)->bus_set_property(u, name, message, for_real ? mode : UNIT_CHECK, error); |
9f2e86af | 1076 | if (r == 0 && u->transient && u->load_state == UNIT_STUB) |
718db961 LP |
1077 | r = bus_unit_set_transient_property(u, name, message, for_real ? mode : UNIT_CHECK, error); |
1078 | if (r < 0) | |
1079 | return r; | |
1080 | if (r == 0) | |
1081 | return sd_bus_error_setf(error, SD_BUS_ERROR_PROPERTY_READ_ONLY, "Cannot set property %s, or unknown property.", name); | |
1082 | ||
1083 | r = sd_bus_message_exit_container(message); | |
8e2af478 LP |
1084 | if (r < 0) |
1085 | return r; | |
8e2af478 | 1086 | |
718db961 LP |
1087 | r = sd_bus_message_exit_container(message); |
1088 | if (r < 0) | |
1089 | return r; | |
8e2af478 LP |
1090 | |
1091 | n += for_real; | |
1092 | } | |
1093 | ||
6ce270b1 LP |
1094 | r = sd_bus_message_exit_container(message); |
1095 | if (r < 0) | |
1096 | return r; | |
1097 | ||
c2756a68 | 1098 | if (commit && n > 0 && UNIT_VTABLE(u)->bus_commit_properties) |
8e2af478 LP |
1099 | UNIT_VTABLE(u)->bus_commit_properties(u); |
1100 | ||
241da328 | 1101 | return n; |
8e2af478 | 1102 | } |