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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" | |
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), | |
be7d9ff7 LP |
564 | SD_BUS_PROPERTY("RequisiteOf", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_REQUISITE_OF]), SD_BUS_VTABLE_PROPERTY_CONST), |
565 | SD_BUS_PROPERTY("RequisiteOfOverridable", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_REQUISITE_OF_OVERRIDABLE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
556089dc LP |
566 | SD_BUS_PROPERTY("WantedBy", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_WANTED_BY]), SD_BUS_VTABLE_PROPERTY_CONST), |
567 | SD_BUS_PROPERTY("BoundBy", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_BOUND_BY]), SD_BUS_VTABLE_PROPERTY_CONST), | |
568 | SD_BUS_PROPERTY("ConsistsOf", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_CONSISTS_OF]), SD_BUS_VTABLE_PROPERTY_CONST), | |
569 | SD_BUS_PROPERTY("Conflicts", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_CONFLICTS]), SD_BUS_VTABLE_PROPERTY_CONST), | |
570 | SD_BUS_PROPERTY("ConflictedBy", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_CONFLICTED_BY]), SD_BUS_VTABLE_PROPERTY_CONST), | |
571 | SD_BUS_PROPERTY("Before", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_BEFORE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
572 | SD_BUS_PROPERTY("After", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_AFTER]), SD_BUS_VTABLE_PROPERTY_CONST), | |
573 | SD_BUS_PROPERTY("OnFailure", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_ON_FAILURE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
574 | SD_BUS_PROPERTY("Triggers", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_TRIGGERS]), SD_BUS_VTABLE_PROPERTY_CONST), | |
575 | SD_BUS_PROPERTY("TriggeredBy", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_TRIGGERED_BY]), SD_BUS_VTABLE_PROPERTY_CONST), | |
576 | SD_BUS_PROPERTY("PropagatesReloadTo", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_PROPAGATES_RELOAD_TO]), SD_BUS_VTABLE_PROPERTY_CONST), | |
577 | SD_BUS_PROPERTY("ReloadPropagatedFrom", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_RELOAD_PROPAGATED_FROM]), SD_BUS_VTABLE_PROPERTY_CONST), | |
578 | SD_BUS_PROPERTY("JoinsNamespaceOf", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_JOINS_NAMESPACE_OF]), SD_BUS_VTABLE_PROPERTY_CONST), | |
579 | SD_BUS_PROPERTY("RequiresMountsFor", "as", NULL, offsetof(Unit, requires_mounts_for), SD_BUS_VTABLE_PROPERTY_CONST), | |
580 | SD_BUS_PROPERTY("Documentation", "as", NULL, offsetof(Unit, documentation), SD_BUS_VTABLE_PROPERTY_CONST), | |
581 | SD_BUS_PROPERTY("Description", "s", property_get_description, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
582 | SD_BUS_PROPERTY("LoadState", "s", property_get_load_state, offsetof(Unit, load_state), SD_BUS_VTABLE_PROPERTY_CONST), | |
718db961 LP |
583 | SD_BUS_PROPERTY("ActiveState", "s", property_get_active_state, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
584 | SD_BUS_PROPERTY("SubState", "s", property_get_sub_state, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
556089dc LP |
585 | SD_BUS_PROPERTY("FragmentPath", "s", NULL, offsetof(Unit, fragment_path), SD_BUS_VTABLE_PROPERTY_CONST), |
586 | SD_BUS_PROPERTY("SourcePath", "s", NULL, offsetof(Unit, source_path), SD_BUS_VTABLE_PROPERTY_CONST), | |
587 | SD_BUS_PROPERTY("DropInPaths", "as", NULL, offsetof(Unit, dropin_paths), SD_BUS_VTABLE_PROPERTY_CONST), | |
718db961 | 588 | SD_BUS_PROPERTY("UnitFileState", "s", property_get_unit_file_state, 0, 0), |
d2dc52db | 589 | SD_BUS_PROPERTY("UnitFilePreset", "s", property_get_unit_file_preset, 0, 0), |
718db961 LP |
590 | BUS_PROPERTY_DUAL_TIMESTAMP("InactiveExitTimestamp", offsetof(Unit, inactive_exit_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
591 | BUS_PROPERTY_DUAL_TIMESTAMP("ActiveEnterTimestamp", offsetof(Unit, active_enter_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
592 | BUS_PROPERTY_DUAL_TIMESTAMP("ActiveExitTimestamp", offsetof(Unit, active_exit_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
593 | BUS_PROPERTY_DUAL_TIMESTAMP("InactiveEnterTimestamp", offsetof(Unit, inactive_enter_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
556089dc LP |
594 | SD_BUS_PROPERTY("CanStart", "b", property_get_can_start, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
595 | SD_BUS_PROPERTY("CanStop", "b", property_get_can_stop, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
596 | SD_BUS_PROPERTY("CanReload", "b", property_get_can_reload, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
597 | SD_BUS_PROPERTY("CanIsolate", "b", property_get_can_isolate, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
718db961 | 598 | SD_BUS_PROPERTY("Job", "(uo)", property_get_job, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
556089dc LP |
599 | SD_BUS_PROPERTY("StopWhenUnneeded", "b", bus_property_get_bool, offsetof(Unit, stop_when_unneeded), SD_BUS_VTABLE_PROPERTY_CONST), |
600 | SD_BUS_PROPERTY("RefuseManualStart", "b", bus_property_get_bool, offsetof(Unit, refuse_manual_start), SD_BUS_VTABLE_PROPERTY_CONST), | |
601 | SD_BUS_PROPERTY("RefuseManualStop", "b", bus_property_get_bool, offsetof(Unit, refuse_manual_stop), SD_BUS_VTABLE_PROPERTY_CONST), | |
602 | SD_BUS_PROPERTY("AllowIsolate", "b", bus_property_get_bool, offsetof(Unit, allow_isolate), SD_BUS_VTABLE_PROPERTY_CONST), | |
603 | SD_BUS_PROPERTY("DefaultDependencies", "b", bus_property_get_bool, offsetof(Unit, default_dependencies), SD_BUS_VTABLE_PROPERTY_CONST), | |
604 | SD_BUS_PROPERTY("OnFailureJobMode", "s", property_get_job_mode, offsetof(Unit, on_failure_job_mode), SD_BUS_VTABLE_PROPERTY_CONST), | |
605 | SD_BUS_PROPERTY("IgnoreOnIsolate", "b", bus_property_get_bool, offsetof(Unit, ignore_on_isolate), SD_BUS_VTABLE_PROPERTY_CONST), | |
606 | SD_BUS_PROPERTY("IgnoreOnSnapshot", "b", bus_property_get_bool, offsetof(Unit, ignore_on_snapshot), SD_BUS_VTABLE_PROPERTY_CONST), | |
607 | SD_BUS_PROPERTY("NeedDaemonReload", "b", property_get_need_daemon_reload, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
608 | SD_BUS_PROPERTY("JobTimeoutUSec", "t", bus_property_get_usec, offsetof(Unit, job_timeout), SD_BUS_VTABLE_PROPERTY_CONST), | |
f189ab18 LP |
609 | SD_BUS_PROPERTY("JobTimeoutAction", "s", property_get_failure_action, offsetof(Unit, job_timeout_action), SD_BUS_VTABLE_PROPERTY_CONST), |
610 | SD_BUS_PROPERTY("JobTimeoutRebootArgument", "s", NULL, offsetof(Unit, job_timeout_reboot_arg), SD_BUS_VTABLE_PROPERTY_CONST), | |
718db961 | 611 | SD_BUS_PROPERTY("ConditionResult", "b", bus_property_get_bool, offsetof(Unit, condition_result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
59fccdc5 | 612 | SD_BUS_PROPERTY("AssertResult", "b", bus_property_get_bool, offsetof(Unit, assert_result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
718db961 | 613 | BUS_PROPERTY_DUAL_TIMESTAMP("ConditionTimestamp", offsetof(Unit, condition_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
59fccdc5 LP |
614 | BUS_PROPERTY_DUAL_TIMESTAMP("AssertTimestamp", offsetof(Unit, assert_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
615 | SD_BUS_PROPERTY("Conditions", "a(sbbsi)", property_get_conditions, offsetof(Unit, conditions), 0), | |
616 | SD_BUS_PROPERTY("Asserts", "a(sbbsi)", property_get_conditions, offsetof(Unit, asserts), 0), | |
556089dc LP |
617 | SD_BUS_PROPERTY("LoadError", "(ss)", property_get_load_error, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
618 | SD_BUS_PROPERTY("Transient", "b", bus_property_get_bool, offsetof(Unit, transient), SD_BUS_VTABLE_PROPERTY_CONST), | |
718db961 | 619 | |
1d22e906 LP |
620 | SD_BUS_METHOD("Start", "s", "o", method_start, SD_BUS_VTABLE_UNPRIVILEGED), |
621 | SD_BUS_METHOD("Stop", "s", "o", method_stop, SD_BUS_VTABLE_UNPRIVILEGED), | |
622 | SD_BUS_METHOD("Reload", "s", "o", method_reload, SD_BUS_VTABLE_UNPRIVILEGED), | |
623 | SD_BUS_METHOD("Restart", "s", "o", method_restart, SD_BUS_VTABLE_UNPRIVILEGED), | |
624 | SD_BUS_METHOD("TryRestart", "s", "o", method_try_restart, SD_BUS_VTABLE_UNPRIVILEGED), | |
625 | SD_BUS_METHOD("ReloadOrRestart", "s", "o", method_reload_or_restart, SD_BUS_VTABLE_UNPRIVILEGED), | |
626 | SD_BUS_METHOD("ReloadOrTryRestart", "s", "o", method_reload_or_try_restart, SD_BUS_VTABLE_UNPRIVILEGED), | |
627 | SD_BUS_METHOD("Kill", "si", NULL, bus_unit_method_kill, SD_BUS_VTABLE_UNPRIVILEGED), | |
628 | SD_BUS_METHOD("ResetFailed", NULL, NULL, bus_unit_method_reset_failed, SD_BUS_VTABLE_UNPRIVILEGED), | |
629 | SD_BUS_METHOD("SetProperties", "ba(sv)", NULL, bus_unit_method_set_properties, SD_BUS_VTABLE_UNPRIVILEGED), | |
718db961 LP |
630 | |
631 | SD_BUS_VTABLE_END | |
632 | }; | |
2cccbca4 | 633 | |
718db961 LP |
634 | static int property_get_slice( |
635 | sd_bus *bus, | |
636 | const char *path, | |
637 | const char *interface, | |
638 | const char *property, | |
639 | sd_bus_message *reply, | |
ebcf1f97 LP |
640 | void *userdata, |
641 | sd_bus_error *error) { | |
2cccbca4 | 642 | |
718db961 | 643 | Unit *u = userdata; |
2cccbca4 | 644 | |
718db961 LP |
645 | assert(bus); |
646 | assert(reply); | |
647 | assert(u); | |
2cccbca4 | 648 | |
718db961 LP |
649 | return sd_bus_message_append(reply, "s", unit_slice_name(u)); |
650 | } | |
2cccbca4 | 651 | |
934277fe LP |
652 | static int property_get_current_memory( |
653 | sd_bus *bus, | |
654 | const char *path, | |
655 | const char *interface, | |
656 | const char *property, | |
657 | sd_bus_message *reply, | |
658 | void *userdata, | |
659 | sd_bus_error *error) { | |
660 | ||
934277fe | 661 | uint64_t sz = (uint64_t) -1; |
5ad096b3 | 662 | Unit *u = userdata; |
934277fe LP |
663 | int r; |
664 | ||
665 | assert(bus); | |
666 | assert(reply); | |
667 | assert(u); | |
668 | ||
5ad096b3 LP |
669 | r = unit_get_memory_current(u, &sz); |
670 | if (r < 0 && r != -ENODATA) | |
f2341e0a | 671 | log_unit_warning_errno(u, r, "Failed to get memory.usage_in_bytes attribute: %m"); |
934277fe | 672 | |
5ad096b3 LP |
673 | return sd_bus_message_append(reply, "t", sz); |
674 | } | |
934277fe | 675 | |
5ad096b3 LP |
676 | static int property_get_cpu_usage( |
677 | sd_bus *bus, | |
678 | const char *path, | |
679 | const char *interface, | |
680 | const char *property, | |
681 | sd_bus_message *reply, | |
682 | void *userdata, | |
683 | sd_bus_error *error) { | |
934277fe | 684 | |
5ad096b3 LP |
685 | nsec_t ns = (nsec_t) -1; |
686 | Unit *u = userdata; | |
687 | int r; | |
688 | ||
689 | assert(bus); | |
690 | assert(reply); | |
691 | assert(u); | |
692 | ||
693 | r = unit_get_cpu_usage(u, &ns); | |
694 | if (r < 0 && r != -ENODATA) | |
f2341e0a | 695 | log_unit_warning_errno(u, r, "Failed to get cpuacct.usage attribute: %m"); |
5ad096b3 LP |
696 | |
697 | return sd_bus_message_append(reply, "t", ns); | |
934277fe LP |
698 | } |
699 | ||
98bac605 LP |
700 | static int property_get_cgroup( |
701 | sd_bus *bus, | |
702 | const char *path, | |
703 | const char *interface, | |
704 | const char *property, | |
705 | sd_bus_message *reply, | |
706 | void *userdata, | |
707 | sd_bus_error *error) { | |
708 | ||
709 | Unit *u = userdata; | |
710 | const char *t; | |
711 | ||
712 | assert(bus); | |
713 | assert(reply); | |
714 | assert(u); | |
715 | ||
716 | /* Three cases: a) u->cgroup_path is NULL, in which case the | |
717 | * unit has no control group, which we report as the empty | |
718 | * string. b) u->cgroup_path is the empty string, which | |
719 | * indicates the root cgroup, which we report as "/". c) all | |
720 | * other cases we report as-is. */ | |
721 | ||
722 | if (u->cgroup_path) | |
723 | t = isempty(u->cgroup_path) ? "/" : u->cgroup_path; | |
724 | else | |
725 | t = ""; | |
726 | ||
727 | return sd_bus_message_append(reply, "s", t); | |
728 | } | |
729 | ||
718db961 LP |
730 | const sd_bus_vtable bus_unit_cgroup_vtable[] = { |
731 | SD_BUS_VTABLE_START(0), | |
732 | SD_BUS_PROPERTY("Slice", "s", property_get_slice, 0, 0), | |
98bac605 | 733 | SD_BUS_PROPERTY("ControlGroup", "s", property_get_cgroup, 0, 0), |
934277fe | 734 | SD_BUS_PROPERTY("MemoryCurrent", "t", property_get_current_memory, 0, 0), |
5ad096b3 | 735 | SD_BUS_PROPERTY("CPUUsageNSec", "t", property_get_cpu_usage, 0, 0), |
718db961 LP |
736 | SD_BUS_VTABLE_END |
737 | }; | |
2cccbca4 | 738 | |
8f8f05a9 | 739 | static int send_new_signal(sd_bus *bus, void *userdata) { |
718db961 LP |
740 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL; |
741 | _cleanup_free_ char *p = NULL; | |
742 | Unit *u = userdata; | |
743 | int r; | |
2cccbca4 | 744 | |
718db961 LP |
745 | assert(bus); |
746 | assert(u); | |
2cccbca4 | 747 | |
718db961 | 748 | p = unit_dbus_path(u); |
e861098b | 749 | if (!p) |
718db961 | 750 | return -ENOMEM; |
2cccbca4 | 751 | |
718db961 LP |
752 | r = sd_bus_message_new_signal( |
753 | bus, | |
151b9b96 | 754 | &m, |
718db961 LP |
755 | "/org/freedesktop/systemd1", |
756 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 757 | "UnitNew"); |
718db961 LP |
758 | if (r < 0) |
759 | return r; | |
2cccbca4 | 760 | |
718db961 LP |
761 | r = sd_bus_message_append(m, "so", u->id, p); |
762 | if (r < 0) | |
763 | return r; | |
2cccbca4 | 764 | |
8f8f05a9 | 765 | return sd_bus_send(bus, m, NULL); |
718db961 | 766 | } |
2cccbca4 | 767 | |
8f8f05a9 | 768 | static int send_changed_signal(sd_bus *bus, void *userdata) { |
718db961 LP |
769 | _cleanup_free_ char *p = NULL; |
770 | Unit *u = userdata; | |
771 | int r; | |
2cccbca4 | 772 | |
718db961 LP |
773 | assert(bus); |
774 | assert(u); | |
2cccbca4 | 775 | |
718db961 | 776 | p = unit_dbus_path(u); |
9ceefc81 | 777 | if (!p) |
718db961 | 778 | return -ENOMEM; |
2cccbca4 | 779 | |
718db961 LP |
780 | /* Send a properties changed signal. First for the specific |
781 | * type, then for the generic unit. The clients may rely on | |
782 | * this order to get atomic behavior if needed. */ | |
ea430986 | 783 | |
aec8de63 LP |
784 | r = sd_bus_emit_properties_changed_strv( |
785 | bus, p, | |
21b735e7 | 786 | unit_dbus_interface_from_type(u->type), |
aec8de63 | 787 | NULL); |
fe7f06f1 | 788 | if (r < 0) |
aec8de63 | 789 | return r; |
80fbf05e | 790 | |
fe7f06f1 | 791 | return sd_bus_emit_properties_changed_strv( |
718db961 LP |
792 | bus, p, |
793 | "org.freedesktop.systemd1.Unit", | |
718db961 | 794 | NULL); |
ea430986 LP |
795 | } |
796 | ||
c1e1601e | 797 | void bus_unit_send_change_signal(Unit *u) { |
b170dd80 | 798 | int r; |
c1e1601e | 799 | assert(u); |
c1e1601e | 800 | |
ac155bb8 | 801 | if (u->in_dbus_queue) { |
71fda00f | 802 | LIST_REMOVE(dbus_queue, u->manager->dbus_unit_queue, u); |
ac155bb8 | 803 | u->in_dbus_queue = false; |
c0bd0cf7 | 804 | } |
c1e1601e | 805 | |
ac155bb8 | 806 | if (!u->id) |
04ade7d2 LP |
807 | return; |
808 | ||
8f8f05a9 | 809 | r = bus_foreach_bus(u->manager, NULL, u->sent_dbus_new_signal ? send_changed_signal : send_new_signal, u); |
718db961 | 810 | if (r < 0) |
f2341e0a | 811 | log_unit_debug_errno(u, r, "Failed to send unit change signal for %s: %m", u->id); |
c1e1601e | 812 | |
718db961 LP |
813 | u->sent_dbus_new_signal = true; |
814 | } | |
c4e2ceae | 815 | |
8f8f05a9 | 816 | static int send_removed_signal(sd_bus *bus, void *userdata) { |
718db961 LP |
817 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL; |
818 | _cleanup_free_ char *p = NULL; | |
819 | Unit *u = userdata; | |
820 | int r; | |
c4e2ceae | 821 | |
718db961 LP |
822 | assert(bus); |
823 | assert(u); | |
c1e1601e | 824 | |
718db961 | 825 | p = unit_dbus_path(u); |
e861098b | 826 | if (!p) |
718db961 | 827 | return -ENOMEM; |
c1e1601e | 828 | |
718db961 LP |
829 | r = sd_bus_message_new_signal( |
830 | bus, | |
151b9b96 | 831 | &m, |
718db961 LP |
832 | "/org/freedesktop/systemd1", |
833 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 834 | "UnitRemoved"); |
718db961 LP |
835 | if (r < 0) |
836 | return r; | |
c1e1601e | 837 | |
718db961 LP |
838 | r = sd_bus_message_append(m, "so", u->id, p); |
839 | if (r < 0) | |
840 | return r; | |
c1e1601e | 841 | |
8f8f05a9 | 842 | return sd_bus_send(bus, m, NULL); |
c1e1601e LP |
843 | } |
844 | ||
845 | void bus_unit_send_removed_signal(Unit *u) { | |
718db961 | 846 | int r; |
c1e1601e LP |
847 | assert(u); |
848 | ||
ac155bb8 | 849 | if (!u->sent_dbus_new_signal) |
7535cc78 LP |
850 | bus_unit_send_change_signal(u); |
851 | ||
ac155bb8 | 852 | if (!u->id) |
04ade7d2 LP |
853 | return; |
854 | ||
8f8f05a9 | 855 | r = bus_foreach_bus(u->manager, NULL, send_removed_signal, u); |
718db961 | 856 | if (r < 0) |
f2341e0a | 857 | log_unit_debug_errno(u, r, "Failed to send unit remove signal for %s: %m", u->id); |
c1e1601e | 858 | } |
e2110e5d | 859 | |
718db961 | 860 | int bus_unit_queue_job( |
718db961 | 861 | sd_bus_message *message, |
cad45ba1 LP |
862 | Unit *u, |
863 | JobType type, | |
864 | JobMode mode, | |
ebcf1f97 LP |
865 | bool reload_if_possible, |
866 | sd_bus_error *error) { | |
cad45ba1 | 867 | |
cad45ba1 LP |
868 | _cleanup_free_ char *path = NULL; |
869 | Job *j; | |
cad45ba1 LP |
870 | int r; |
871 | ||
cad45ba1 LP |
872 | assert(message); |
873 | assert(u); | |
874 | assert(type >= 0 && type < _JOB_TYPE_MAX); | |
875 | assert(mode >= 0 && mode < _JOB_MODE_MAX); | |
876 | ||
cad45ba1 LP |
877 | if (reload_if_possible && unit_can_reload(u)) { |
878 | if (type == JOB_RESTART) | |
879 | type = JOB_RELOAD_OR_START; | |
880 | else if (type == JOB_TRY_RESTART) | |
881 | type = JOB_RELOAD; | |
882 | } | |
883 | ||
8a188de9 | 884 | r = mac_selinux_unit_access_check( |
4f4f7036 | 885 | u, message, |
ebcf1f97 LP |
886 | (type == JOB_START || type == JOB_RESTART || type == JOB_TRY_RESTART) ? "start" : |
887 | type == JOB_STOP ? "stop" : "reload", error); | |
888 | if (r < 0) | |
889 | return r; | |
cad45ba1 | 890 | |
718db961 LP |
891 | if (type == JOB_STOP && |
892 | (u->load_state == UNIT_NOT_FOUND || u->load_state == UNIT_ERROR) && | |
893 | unit_active_state(u) == UNIT_INACTIVE) | |
ebcf1f97 | 894 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s not loaded.", u->id); |
cad45ba1 LP |
895 | |
896 | if ((type == JOB_START && u->refuse_manual_start) || | |
897 | (type == JOB_STOP && u->refuse_manual_stop) || | |
718db961 | 898 | ((type == JOB_RESTART || type == JOB_TRY_RESTART) && (u->refuse_manual_start || u->refuse_manual_stop))) |
ebcf1f97 | 899 | return sd_bus_error_setf(error, BUS_ERROR_ONLY_BY_DEPENDENCY, "Operation refused, unit %s may be requested by dependency only.", u->id); |
cad45ba1 | 900 | |
ebcf1f97 | 901 | r = manager_add_job(u->manager, type, u, mode, true, error, &j); |
cad45ba1 | 902 | if (r < 0) |
ebcf1f97 | 903 | return r; |
cad45ba1 | 904 | |
19070062 | 905 | if (sd_bus_message_get_bus(message) == u->manager->api_bus) { |
b39a2770 | 906 | if (!j->clients) { |
19070062 | 907 | r = sd_bus_track_new(sd_bus_message_get_bus(message), &j->clients, NULL, NULL); |
8f8f05a9 LP |
908 | if (r < 0) |
909 | return r; | |
910 | } | |
911 | ||
b39a2770 | 912 | r = sd_bus_track_add_sender(j->clients, message); |
8f8f05a9 LP |
913 | if (r < 0) |
914 | return r; | |
915 | } | |
cad45ba1 LP |
916 | |
917 | path = job_dbus_path(j); | |
918 | if (!path) | |
6ce270b1 | 919 | return -ENOMEM; |
cad45ba1 | 920 | |
df2d202e | 921 | return sd_bus_reply_method_return(message, "o", path); |
cad45ba1 LP |
922 | } |
923 | ||
9f2e86af LP |
924 | static int bus_unit_set_transient_property( |
925 | Unit *u, | |
926 | const char *name, | |
718db961 | 927 | sd_bus_message *message, |
9f2e86af | 928 | UnitSetPropertiesMode mode, |
718db961 | 929 | sd_bus_error *error) { |
9f2e86af LP |
930 | |
931 | int r; | |
932 | ||
933 | assert(u); | |
934 | assert(name); | |
718db961 | 935 | assert(message); |
9f2e86af LP |
936 | |
937 | if (streq(name, "Description")) { | |
718db961 | 938 | const char *d; |
9f2e86af | 939 | |
718db961 LP |
940 | r = sd_bus_message_read(message, "s", &d); |
941 | if (r < 0) | |
942 | return r; | |
8aec412f | 943 | |
718db961 LP |
944 | if (mode != UNIT_CHECK) { |
945 | r = unit_set_description(u, d); | |
8aec412f LP |
946 | if (r < 0) |
947 | return r; | |
b9316fb0 | 948 | |
718db961 | 949 | unit_write_drop_in_format(u, mode, name, "[Unit]\nDescription=%s\n", d); |
8aec412f | 950 | } |
9f2e86af LP |
951 | |
952 | return 1; | |
261420ba LP |
953 | |
954 | } else if (streq(name, "DefaultDependencies")) { | |
955 | int b; | |
956 | ||
957 | r = sd_bus_message_read(message, "b", &b); | |
958 | if (r < 0) | |
959 | return r; | |
960 | ||
961 | if (mode != UNIT_CHECK) { | |
962 | u->default_dependencies = b; | |
963 | unit_write_drop_in_format(u, mode, name, "[Unit]\nDefaultDependencies=%s\n", yes_no(b)); | |
964 | } | |
965 | ||
966 | return 1; | |
c221420b | 967 | |
d79200e2 LP |
968 | } else if (streq(name, "Slice")) { |
969 | Unit *slice; | |
c221420b | 970 | const char *s; |
c221420b | 971 | |
d79200e2 LP |
972 | if (!UNIT_HAS_CGROUP_CONTEXT(u)) |
973 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "The slice property is only available for units with control groups."); | |
974 | if (u->type == UNIT_SLICE) | |
975 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Slice may not be set for slice units."); | |
976 | ||
718db961 LP |
977 | r = sd_bus_message_read(message, "s", &s); |
978 | if (r < 0) | |
979 | return r; | |
c221420b | 980 | |
d79200e2 LP |
981 | if (!unit_name_is_valid(s, UNIT_NAME_PLAIN)) |
982 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid unit name '%s'", s); | |
983 | ||
984 | r = manager_load_unit(u->manager, s, NULL, error, &slice); | |
985 | if (r < 0) | |
986 | return r; | |
c221420b | 987 | |
d79200e2 LP |
988 | if (slice->type != UNIT_SLICE) |
989 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unit name '%s' is not a slice", s); | |
b9316fb0 | 990 | |
d79200e2 LP |
991 | if (mode != UNIT_CHECK) { |
992 | r = unit_set_slice(u, slice); | |
8aec412f LP |
993 | if (r < 0) |
994 | return r; | |
c221420b | 995 | |
d79200e2 | 996 | unit_write_drop_in_private_format(u, mode, name, "Slice=%s\n", s); |
8aec412f | 997 | } |
b9ec9359 | 998 | |
c221420b | 999 | return 1; |
d79200e2 | 1000 | |
311f6cf3 WC |
1001 | } else if (STR_IN_SET(name, |
1002 | "Requires", "RequiresOverridable", | |
1003 | "Requisite", "RequisiteOverridable", | |
1004 | "Wants", | |
1005 | "BindsTo", | |
1006 | "Conflicts", | |
1007 | "Before", "After", | |
1008 | "OnFailure", | |
1009 | "PropagatesReloadTo", "ReloadPropagatedFrom", | |
1010 | "PartOf")) { | |
7fb3ee51 LP |
1011 | |
1012 | UnitDependency d; | |
718db961 | 1013 | const char *other; |
7fb3ee51 LP |
1014 | |
1015 | d = unit_dependency_from_string(name); | |
1016 | if (d < 0) | |
1017 | return -EINVAL; | |
1018 | ||
718db961 LP |
1019 | r = sd_bus_message_enter_container(message, 'a', "s"); |
1020 | if (r < 0) | |
1021 | return r; | |
7fb3ee51 | 1022 | |
718db961 | 1023 | while ((r = sd_bus_message_read(message, "s", &other)) > 0) { |
7410616c | 1024 | if (!unit_name_is_valid(other, UNIT_NAME_PLAIN|UNIT_NAME_INSTANCE)) |
718db961 | 1025 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid unit name %s", other); |
7fb3ee51 LP |
1026 | |
1027 | if (mode != UNIT_CHECK) { | |
b9ec9359 | 1028 | _cleanup_free_ char *label = NULL; |
7fb3ee51 LP |
1029 | |
1030 | r = unit_add_dependency_by_name(u, d, other, NULL, true); | |
1031 | if (r < 0) | |
1032 | return r; | |
1033 | ||
1034 | label = strjoin(name, "-", other, NULL); | |
1035 | if (!label) | |
1036 | return -ENOMEM; | |
1037 | ||
b9ec9359 | 1038 | unit_write_drop_in_format(u, mode, label, "[Unit]\n%s=%s\n", name, other); |
7fb3ee51 LP |
1039 | } |
1040 | ||
7fb3ee51 | 1041 | } |
718db961 LP |
1042 | if (r < 0) |
1043 | return r; | |
7fb3ee51 | 1044 | |
6ce270b1 LP |
1045 | r = sd_bus_message_exit_container(message); |
1046 | if (r < 0) | |
1047 | return r; | |
1048 | ||
7fb3ee51 | 1049 | return 1; |
9f2e86af LP |
1050 | } |
1051 | ||
1052 | return 0; | |
1053 | } | |
1054 | ||
c2756a68 LP |
1055 | int bus_unit_set_properties( |
1056 | Unit *u, | |
718db961 | 1057 | sd_bus_message *message, |
c2756a68 LP |
1058 | UnitSetPropertiesMode mode, |
1059 | bool commit, | |
718db961 | 1060 | sd_bus_error *error) { |
c2756a68 | 1061 | |
8e2af478 | 1062 | bool for_real = false; |
8e2af478 LP |
1063 | unsigned n = 0; |
1064 | int r; | |
1065 | ||
1066 | assert(u); | |
718db961 | 1067 | assert(message); |
8e2af478 LP |
1068 | |
1069 | /* We iterate through the array twice. First run we just check | |
1070 | * if all passed data is valid, second run actually applies | |
1071 | * it. This is to implement transaction-like behaviour without | |
1072 | * actually providing full transactions. */ | |
1073 | ||
718db961 LP |
1074 | r = sd_bus_message_enter_container(message, 'a', "(sv)"); |
1075 | if (r < 0) | |
1076 | return r; | |
8e2af478 | 1077 | |
8e2af478 | 1078 | for (;;) { |
8e2af478 LP |
1079 | const char *name; |
1080 | ||
718db961 LP |
1081 | r = sd_bus_message_enter_container(message, 'r', "sv"); |
1082 | if (r < 0) | |
1083 | return r; | |
1084 | if (r == 0) { | |
a255a7f1 | 1085 | if (for_real || mode == UNIT_CHECK) |
8e2af478 LP |
1086 | break; |
1087 | ||
1088 | /* Reached EOF. Let's try again, and this time for realz... */ | |
718db961 LP |
1089 | r = sd_bus_message_rewind(message, false); |
1090 | if (r < 0) | |
1091 | return r; | |
6ce270b1 | 1092 | |
8e2af478 LP |
1093 | for_real = true; |
1094 | continue; | |
1095 | } | |
1096 | ||
718db961 LP |
1097 | r = sd_bus_message_read(message, "s", &name); |
1098 | if (r < 0) | |
1099 | return r; | |
8e2af478 | 1100 | |
718db961 LP |
1101 | if (!UNIT_VTABLE(u)->bus_set_property) |
1102 | return sd_bus_error_setf(error, SD_BUS_ERROR_PROPERTY_READ_ONLY, "Objects of this type do not support setting properties."); | |
8e2af478 | 1103 | |
718db961 LP |
1104 | r = sd_bus_message_enter_container(message, 'v', NULL); |
1105 | if (r < 0) | |
1106 | return r; | |
8e2af478 | 1107 | |
718db961 | 1108 | r = UNIT_VTABLE(u)->bus_set_property(u, name, message, for_real ? mode : UNIT_CHECK, error); |
9f2e86af | 1109 | if (r == 0 && u->transient && u->load_state == UNIT_STUB) |
718db961 LP |
1110 | r = bus_unit_set_transient_property(u, name, message, for_real ? mode : UNIT_CHECK, error); |
1111 | if (r < 0) | |
1112 | return r; | |
1113 | if (r == 0) | |
1114 | return sd_bus_error_setf(error, SD_BUS_ERROR_PROPERTY_READ_ONLY, "Cannot set property %s, or unknown property.", name); | |
1115 | ||
1116 | r = sd_bus_message_exit_container(message); | |
8e2af478 LP |
1117 | if (r < 0) |
1118 | return r; | |
8e2af478 | 1119 | |
718db961 LP |
1120 | r = sd_bus_message_exit_container(message); |
1121 | if (r < 0) | |
1122 | return r; | |
8e2af478 LP |
1123 | |
1124 | n += for_real; | |
1125 | } | |
1126 | ||
6ce270b1 LP |
1127 | r = sd_bus_message_exit_container(message); |
1128 | if (r < 0) | |
1129 | return r; | |
1130 | ||
c2756a68 | 1131 | if (commit && n > 0 && UNIT_VTABLE(u)->bus_commit_properties) |
8e2af478 LP |
1132 | UNIT_VTABLE(u)->bus_commit_properties(u); |
1133 | ||
241da328 | 1134 | return n; |
8e2af478 | 1135 | } |