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d6c9574f | 1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
ea430986 | 2 | |
a7334b09 LP |
3 | /*** |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2010 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
9 | under the terms of the GNU Lesser General Public License as published by |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
a7334b09 LP |
11 | (at your option) any later version. |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 16 | Lesser General Public License for more details. |
a7334b09 | 17 | |
5430f7f2 | 18 | You should have received a copy of the GNU Lesser General Public License |
a7334b09 LP |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
20 | ***/ | |
21 | ||
718db961 | 22 | #include "sd-bus.h" |
ea430986 | 23 | #include "log.h" |
e2417e41 | 24 | #include "selinux-access.h" |
246aa6dd LP |
25 | #include "cgroup-util.h" |
26 | #include "strv.h" | |
27 | #include "path-util.h" | |
a5c32cff | 28 | #include "fileio.h" |
718db961 | 29 | #include "bus-errors.h" |
8f8f05a9 LP |
30 | #include "dbus.h" |
31 | #include "dbus-manager.h" | |
32 | #include "dbus-unit.h" | |
718db961 LP |
33 | |
34 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_load_state, unit_load_state, UnitLoadState); | |
d420282b | 35 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_job_mode, job_mode, JobMode); |
718db961 LP |
36 | |
37 | static int property_get_names( | |
38 | sd_bus *bus, | |
39 | const char *path, | |
40 | const char *interface, | |
41 | const char *property, | |
42 | sd_bus_message *reply, | |
ebcf1f97 LP |
43 | void *userdata, |
44 | sd_bus_error *error) { | |
718db961 LP |
45 | |
46 | Unit *u = userdata; | |
47 | Iterator i; | |
48 | const char *t; | |
49 | int r; | |
ea430986 | 50 | |
718db961 LP |
51 | assert(bus); |
52 | assert(reply); | |
53 | assert(u); | |
4139c1b2 | 54 | |
718db961 LP |
55 | r = sd_bus_message_open_container(reply, 'a', "s"); |
56 | if (r < 0) | |
57 | return r; | |
4139c1b2 | 58 | |
718db961 LP |
59 | SET_FOREACH(t, u->names, i) { |
60 | r = sd_bus_message_append(reply, "s", t); | |
61 | if (r < 0) | |
62 | return r; | |
63 | } | |
4139c1b2 | 64 | |
718db961 | 65 | return sd_bus_message_close_container(reply); |
4139c1b2 LP |
66 | } |
67 | ||
718db961 LP |
68 | static int property_get_following( |
69 | sd_bus *bus, | |
70 | const char *path, | |
71 | const char *interface, | |
72 | const char *property, | |
73 | sd_bus_message *reply, | |
ebcf1f97 LP |
74 | void *userdata, |
75 | sd_bus_error *error) { | |
718db961 LP |
76 | |
77 | Unit *u = userdata, *f; | |
8fe914ec | 78 | |
718db961 LP |
79 | assert(bus); |
80 | assert(reply); | |
8fe914ec LP |
81 | assert(u); |
82 | ||
a7f241db | 83 | f = unit_following(u); |
718db961 | 84 | return sd_bus_message_append(reply, "s", f ? f->id : ""); |
8fe914ec LP |
85 | } |
86 | ||
718db961 LP |
87 | static int property_get_dependencies( |
88 | sd_bus *bus, | |
89 | const char *path, | |
90 | const char *interface, | |
91 | const char *property, | |
92 | sd_bus_message *reply, | |
ebcf1f97 LP |
93 | void *userdata, |
94 | sd_bus_error *error) { | |
4ec9a8a4 | 95 | |
718db961 | 96 | Set *s = *(Set**) userdata; |
5301be81 | 97 | Iterator j; |
718db961 LP |
98 | Unit *u; |
99 | int r; | |
5301be81 | 100 | |
718db961 LP |
101 | assert(bus); |
102 | assert(reply); | |
5301be81 | 103 | |
718db961 LP |
104 | r = sd_bus_message_open_container(reply, 'a', "s"); |
105 | if (r < 0) | |
106 | return r; | |
5301be81 | 107 | |
718db961 LP |
108 | SET_FOREACH(u, s, j) { |
109 | r = sd_bus_message_append(reply, "s", u->id); | |
110 | if (r < 0) | |
111 | return r; | |
112 | } | |
5301be81 | 113 | |
718db961 | 114 | return sd_bus_message_close_container(reply); |
5301be81 LP |
115 | } |
116 | ||
718db961 LP |
117 | static int property_get_description( |
118 | sd_bus *bus, | |
119 | const char *path, | |
120 | const char *interface, | |
121 | const char *property, | |
122 | sd_bus_message *reply, | |
ebcf1f97 LP |
123 | void *userdata, |
124 | sd_bus_error *error) { | |
ea430986 | 125 | |
718db961 | 126 | Unit *u = userdata; |
ea430986 | 127 | |
718db961 LP |
128 | assert(bus); |
129 | assert(reply); | |
130 | assert(u); | |
ea430986 | 131 | |
718db961 | 132 | return sd_bus_message_append(reply, "s", unit_description(u)); |
ea430986 LP |
133 | } |
134 | ||
718db961 LP |
135 | static int property_get_active_state( |
136 | sd_bus *bus, | |
137 | const char *path, | |
138 | const char *interface, | |
139 | const char *property, | |
140 | sd_bus_message *reply, | |
ebcf1f97 LP |
141 | void *userdata, |
142 | sd_bus_error *error) { | |
ea430986 | 143 | |
718db961 | 144 | Unit *u = userdata; |
ea430986 | 145 | |
718db961 LP |
146 | assert(bus); |
147 | assert(reply); | |
ea430986 LP |
148 | assert(u); |
149 | ||
718db961 | 150 | return sd_bus_message_append(reply, "s", unit_active_state_to_string(unit_active_state(u))); |
ea430986 LP |
151 | } |
152 | ||
718db961 LP |
153 | static int property_get_sub_state( |
154 | sd_bus *bus, | |
155 | const char *path, | |
156 | const char *interface, | |
157 | const char *property, | |
158 | sd_bus_message *reply, | |
ebcf1f97 LP |
159 | void *userdata, |
160 | sd_bus_error *error) { | |
10a94420 | 161 | |
718db961 | 162 | Unit *u = userdata; |
10a94420 | 163 | |
718db961 LP |
164 | assert(bus); |
165 | assert(reply); | |
166 | assert(u); | |
10a94420 | 167 | |
718db961 | 168 | return sd_bus_message_append(reply, "s", unit_sub_state_to_string(u)); |
10a94420 LP |
169 | } |
170 | ||
718db961 LP |
171 | static int property_get_unit_file_state( |
172 | sd_bus *bus, | |
173 | const char *path, | |
174 | const char *interface, | |
175 | const char *property, | |
176 | sd_bus_message *reply, | |
ebcf1f97 LP |
177 | void *userdata, |
178 | sd_bus_error *error) { | |
a4375746 | 179 | |
718db961 | 180 | Unit *u = userdata; |
a4375746 | 181 | |
718db961 LP |
182 | assert(bus); |
183 | assert(reply); | |
184 | assert(u); | |
a4375746 | 185 | |
718db961 | 186 | return sd_bus_message_append(reply, "s", unit_file_state_to_string(unit_get_unit_file_state(u))); |
a4375746 LP |
187 | } |
188 | ||
718db961 LP |
189 | static int property_get_can_start( |
190 | sd_bus *bus, | |
191 | const char *path, | |
192 | const char *interface, | |
193 | const char *property, | |
194 | sd_bus_message *reply, | |
ebcf1f97 LP |
195 | void *userdata, |
196 | sd_bus_error *error) { | |
38131695 | 197 | |
718db961 | 198 | Unit *u = userdata; |
b5e9dba8 | 199 | |
718db961 LP |
200 | assert(bus); |
201 | assert(reply); | |
202 | assert(u); | |
b5e9dba8 | 203 | |
718db961 | 204 | return sd_bus_message_append(reply, "b", unit_can_start(u) && !u->refuse_manual_start); |
b5e9dba8 LP |
205 | } |
206 | ||
718db961 LP |
207 | static int property_get_can_stop( |
208 | sd_bus *bus, | |
209 | const char *path, | |
210 | const char *interface, | |
211 | const char *property, | |
212 | sd_bus_message *reply, | |
ebcf1f97 LP |
213 | void *userdata, |
214 | sd_bus_error *error) { | |
718db961 LP |
215 | |
216 | Unit *u = userdata; | |
b5e9dba8 | 217 | |
718db961 LP |
218 | assert(bus); |
219 | assert(reply); | |
b5e9dba8 LP |
220 | assert(u); |
221 | ||
222 | /* On the lower levels we assume that every unit we can start | |
223 | * we can also stop */ | |
224 | ||
718db961 | 225 | return sd_bus_message_append(reply, "b", unit_can_start(u) && !u->refuse_manual_stop); |
38131695 LP |
226 | } |
227 | ||
718db961 LP |
228 | static int property_get_can_reload( |
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) { | |
38131695 | 236 | |
718db961 | 237 | Unit *u = userdata; |
38131695 | 238 | |
718db961 LP |
239 | assert(bus); |
240 | assert(reply); | |
241 | assert(u); | |
38131695 | 242 | |
718db961 | 243 | return sd_bus_message_append(reply, "b", unit_can_reload(u)); |
38131695 LP |
244 | } |
245 | ||
718db961 LP |
246 | static int property_get_can_isolate( |
247 | sd_bus *bus, | |
248 | const char *path, | |
249 | const char *interface, | |
250 | const char *property, | |
251 | sd_bus_message *reply, | |
ebcf1f97 LP |
252 | void *userdata, |
253 | sd_bus_error *error) { | |
2528a7a6 | 254 | |
718db961 | 255 | Unit *u = userdata; |
2528a7a6 | 256 | |
718db961 LP |
257 | assert(bus); |
258 | assert(reply); | |
259 | assert(u); | |
2528a7a6 | 260 | |
718db961 | 261 | return sd_bus_message_append(reply, "b", unit_can_isolate(u) && !u->refuse_manual_start); |
2528a7a6 LP |
262 | } |
263 | ||
718db961 LP |
264 | static int property_get_job( |
265 | sd_bus *bus, | |
266 | const char *path, | |
267 | const char *interface, | |
268 | const char *property, | |
269 | sd_bus_message *reply, | |
ebcf1f97 LP |
270 | void *userdata, |
271 | sd_bus_error *error) { | |
718db961 | 272 | |
f93891f3 | 273 | _cleanup_free_ char *p = NULL; |
718db961 | 274 | Unit *u = userdata; |
38131695 | 275 | |
718db961 LP |
276 | assert(bus); |
277 | assert(reply); | |
38131695 LP |
278 | assert(u); |
279 | ||
718db961 LP |
280 | if (!u->job) |
281 | return sd_bus_message_append(reply, "(uo)", 0, "/"); | |
38131695 | 282 | |
718db961 LP |
283 | p = job_dbus_path(u->job); |
284 | if (!p) | |
285 | return -ENOMEM; | |
38131695 | 286 | |
718db961 LP |
287 | return sd_bus_message_append(reply, "(uo)", u->job->id, p); |
288 | } | |
38131695 | 289 | |
718db961 LP |
290 | static int property_get_need_daemon_reload( |
291 | sd_bus *bus, | |
292 | const char *path, | |
293 | const char *interface, | |
294 | const char *property, | |
295 | sd_bus_message *reply, | |
ebcf1f97 LP |
296 | void *userdata, |
297 | sd_bus_error *error) { | |
38131695 | 298 | |
718db961 | 299 | Unit *u = userdata; |
38131695 | 300 | |
718db961 LP |
301 | assert(bus); |
302 | assert(reply); | |
303 | assert(u); | |
38131695 | 304 | |
718db961 | 305 | return sd_bus_message_append(reply, "b", unit_need_daemon_reload(u)); |
38131695 LP |
306 | } |
307 | ||
718db961 LP |
308 | static int property_get_conditions( |
309 | sd_bus *bus, | |
310 | const char *path, | |
311 | const char *interface, | |
312 | const char *property, | |
313 | sd_bus_message *reply, | |
ebcf1f97 LP |
314 | void *userdata, |
315 | sd_bus_error *error) { | |
45fb0699 | 316 | |
718db961 LP |
317 | Unit *u = userdata; |
318 | Condition *c; | |
319 | int r; | |
45fb0699 | 320 | |
718db961 LP |
321 | assert(bus); |
322 | assert(reply); | |
323 | assert(u); | |
45fb0699 | 324 | |
718db961 LP |
325 | r = sd_bus_message_open_container(reply, 'a', "(sbbsi)"); |
326 | if (r < 0) | |
327 | return r; | |
45fb0699 | 328 | |
718db961 | 329 | LIST_FOREACH(conditions, c, u->conditions) { |
2c7e050f LP |
330 | r = sd_bus_message_append(reply, "(sbbsi)", |
331 | condition_type_to_string(c->type), | |
332 | c->trigger, c->negate, | |
333 | c->parameter, c->state); | |
718db961 LP |
334 | if (r < 0) |
335 | return r; | |
45fb0699 | 336 | |
718db961 | 337 | } |
52990c2e | 338 | |
718db961 | 339 | return sd_bus_message_close_container(reply); |
52990c2e ZJS |
340 | } |
341 | ||
718db961 LP |
342 | static int property_get_load_error( |
343 | sd_bus *bus, | |
344 | const char *path, | |
345 | const char *interface, | |
346 | const char *property, | |
347 | sd_bus_message *reply, | |
ebcf1f97 LP |
348 | void *userdata, |
349 | sd_bus_error *error) { | |
52990c2e | 350 | |
718db961 LP |
351 | _cleanup_bus_error_free_ sd_bus_error e = SD_BUS_ERROR_NULL; |
352 | Unit *u = userdata; | |
52990c2e | 353 | |
718db961 LP |
354 | assert(bus); |
355 | assert(reply); | |
356 | assert(u); | |
52990c2e | 357 | |
718db961 LP |
358 | if (u->load_error != 0) |
359 | sd_bus_error_set_errno(&e, u->load_error); | |
52990c2e | 360 | |
718db961 | 361 | return sd_bus_message_append(reply, "(ss)", e.name, e.message); |
52990c2e ZJS |
362 | } |
363 | ||
ebcf1f97 | 364 | int bus_unit_method_start_generic(sd_bus *bus, sd_bus_message *message, Unit *u, JobType job_type, bool reload_if_possible, sd_bus_error *error) { |
718db961 LP |
365 | const char *smode; |
366 | JobMode mode; | |
367 | int r; | |
9f39404c | 368 | |
718db961 LP |
369 | assert(bus); |
370 | assert(message); | |
9f39404c | 371 | assert(u); |
718db961 | 372 | assert(job_type >= 0 && job_type < _JOB_TYPE_MAX); |
9f39404c | 373 | |
718db961 LP |
374 | r = sd_bus_message_read(message, "s", &smode); |
375 | if (r < 0) | |
ebcf1f97 | 376 | return r; |
9f39404c | 377 | |
718db961 LP |
378 | mode = job_mode_from_string(smode); |
379 | if (mode < 0) | |
ebcf1f97 | 380 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Job mode %s invalid", smode); |
9f39404c | 381 | |
ebcf1f97 | 382 | return bus_unit_queue_job(bus, message, u, job_type, mode, reload_if_possible, error); |
9f39404c LP |
383 | } |
384 | ||
ebcf1f97 LP |
385 | static int method_start(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
386 | return bus_unit_method_start_generic(bus, message, userdata, JOB_START, false, error); | |
718db961 | 387 | } |
b548631a | 388 | |
ebcf1f97 LP |
389 | static int method_stop(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
390 | return bus_unit_method_start_generic(bus, message, userdata, JOB_STOP, false, error); | |
718db961 LP |
391 | } |
392 | ||
ebcf1f97 LP |
393 | static int method_reload(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
394 | return bus_unit_method_start_generic(bus, message, userdata, JOB_RELOAD, false, error); | |
718db961 | 395 | } |
0a524ba7 | 396 | |
ebcf1f97 LP |
397 | static int method_restart(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
398 | return bus_unit_method_start_generic(bus, message, userdata, JOB_RESTART, false, error); | |
718db961 | 399 | } |
8a0867d6 | 400 | |
ebcf1f97 LP |
401 | static int method_try_restart(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
402 | return bus_unit_method_start_generic(bus, message, userdata, JOB_TRY_RESTART, false, error); | |
718db961 | 403 | } |
cad45ba1 | 404 | |
ebcf1f97 LP |
405 | static int method_reload_or_restart(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
406 | return bus_unit_method_start_generic(bus, message, userdata, JOB_RESTART, true, error); | |
718db961 | 407 | } |
8a0867d6 | 408 | |
ebcf1f97 LP |
409 | static int method_reload_or_try_restart(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
410 | return bus_unit_method_start_generic(bus, message, userdata, JOB_TRY_RESTART, true, error); | |
718db961 | 411 | } |
8a0867d6 | 412 | |
ebcf1f97 | 413 | int bus_unit_method_kill(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
718db961 LP |
414 | Unit *u = userdata; |
415 | const char *swho; | |
416 | int32_t signo; | |
417 | KillWho who; | |
418 | int r; | |
5632e374 | 419 | |
718db961 LP |
420 | assert(bus); |
421 | assert(message); | |
422 | assert(u); | |
cad45ba1 | 423 | |
718db961 LP |
424 | r = sd_bus_message_read(message, "si", &swho, &signo); |
425 | if (r < 0) | |
ebcf1f97 | 426 | return r; |
718db961 LP |
427 | |
428 | if (isempty(swho)) | |
429 | who = KILL_ALL; | |
430 | else { | |
431 | who = kill_who_from_string(swho); | |
432 | if (who < 0) | |
ebcf1f97 | 433 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid who argument %s", swho); |
718db961 | 434 | } |
5632e374 | 435 | |
718db961 | 436 | if (signo <= 0 || signo >= _NSIG) |
ebcf1f97 | 437 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Signal number out of range."); |
8e2af478 | 438 | |
ebcf1f97 LP |
439 | r = selinux_unit_access_check(u, bus, message, "stop", error); |
440 | if (r < 0) | |
441 | return r; | |
8e2af478 | 442 | |
ebcf1f97 | 443 | r = unit_kill(u, who, signo, error); |
718db961 | 444 | if (r < 0) |
ebcf1f97 | 445 | return r; |
8e2af478 | 446 | |
df2d202e | 447 | return sd_bus_reply_method_return(message, NULL); |
718db961 | 448 | } |
8e2af478 | 449 | |
ebcf1f97 | 450 | int bus_unit_method_reset_failed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
718db961 | 451 | Unit *u = userdata; |
ebcf1f97 | 452 | int r; |
b548631a | 453 | |
718db961 LP |
454 | assert(bus); |
455 | assert(message); | |
456 | assert(u); | |
b548631a | 457 | |
ebcf1f97 LP |
458 | r = selinux_unit_access_check(u, bus, message, "reload", error); |
459 | if (r < 0) | |
460 | return r; | |
b548631a | 461 | |
718db961 | 462 | unit_reset_failed(u); |
b548631a | 463 | |
df2d202e | 464 | return sd_bus_reply_method_return(message, NULL); |
ea430986 LP |
465 | } |
466 | ||
ebcf1f97 | 467 | int bus_unit_method_set_properties(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
718db961 LP |
468 | Unit *u = userdata; |
469 | int runtime, r; | |
ea430986 | 470 | |
718db961 | 471 | assert(bus); |
ea430986 | 472 | assert(message); |
718db961 | 473 | assert(u); |
80fbf05e | 474 | |
718db961 LP |
475 | r = sd_bus_message_read(message, "b", &runtime); |
476 | if (r < 0) | |
ebcf1f97 | 477 | return r; |
2cccbca4 | 478 | |
ebcf1f97 LP |
479 | r = selinux_unit_access_check(u, bus, message, "start", error); |
480 | if (r < 0) | |
481 | return r; | |
cad45ba1 | 482 | |
ebcf1f97 | 483 | r = bus_unit_set_properties(u, message, runtime ? UNIT_RUNTIME : UNIT_PERSISTENT, true, error); |
718db961 | 484 | if (r < 0) |
ebcf1f97 | 485 | return r; |
2cccbca4 | 486 | |
df2d202e | 487 | return sd_bus_reply_method_return(message, NULL); |
718db961 | 488 | } |
2cccbca4 | 489 | |
718db961 LP |
490 | const sd_bus_vtable bus_unit_vtable[] = { |
491 | SD_BUS_VTABLE_START(0), | |
492 | ||
556089dc LP |
493 | SD_BUS_PROPERTY("Id", "s", NULL, offsetof(Unit, id), SD_BUS_VTABLE_PROPERTY_CONST), |
494 | SD_BUS_PROPERTY("Names", "as", property_get_names, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
718db961 | 495 | SD_BUS_PROPERTY("Following", "s", property_get_following, 0, 0), |
556089dc LP |
496 | SD_BUS_PROPERTY("Requires", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_REQUIRES]), SD_BUS_VTABLE_PROPERTY_CONST), |
497 | SD_BUS_PROPERTY("RequiresOverridable", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_REQUIRES_OVERRIDABLE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
498 | SD_BUS_PROPERTY("Requisite", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_REQUISITE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
499 | SD_BUS_PROPERTY("RequisiteOverridable", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_REQUISITE_OVERRIDABLE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
500 | SD_BUS_PROPERTY("Wants", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_WANTS]), SD_BUS_VTABLE_PROPERTY_CONST), | |
501 | SD_BUS_PROPERTY("BindsTo", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_BINDS_TO]), SD_BUS_VTABLE_PROPERTY_CONST), | |
502 | SD_BUS_PROPERTY("PartOf", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_PART_OF]), SD_BUS_VTABLE_PROPERTY_CONST), | |
503 | SD_BUS_PROPERTY("RequiredBy", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_REQUIRED_BY]), SD_BUS_VTABLE_PROPERTY_CONST), | |
504 | SD_BUS_PROPERTY("RequiredByOverridable", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_REQUIRED_BY_OVERRIDABLE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
505 | SD_BUS_PROPERTY("WantedBy", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_WANTED_BY]), SD_BUS_VTABLE_PROPERTY_CONST), | |
506 | SD_BUS_PROPERTY("BoundBy", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_BOUND_BY]), SD_BUS_VTABLE_PROPERTY_CONST), | |
507 | SD_BUS_PROPERTY("ConsistsOf", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_CONSISTS_OF]), SD_BUS_VTABLE_PROPERTY_CONST), | |
508 | SD_BUS_PROPERTY("Conflicts", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_CONFLICTS]), SD_BUS_VTABLE_PROPERTY_CONST), | |
509 | SD_BUS_PROPERTY("ConflictedBy", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_CONFLICTED_BY]), SD_BUS_VTABLE_PROPERTY_CONST), | |
510 | SD_BUS_PROPERTY("Before", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_BEFORE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
511 | SD_BUS_PROPERTY("After", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_AFTER]), SD_BUS_VTABLE_PROPERTY_CONST), | |
512 | SD_BUS_PROPERTY("OnFailure", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_ON_FAILURE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
513 | SD_BUS_PROPERTY("Triggers", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_TRIGGERS]), SD_BUS_VTABLE_PROPERTY_CONST), | |
514 | SD_BUS_PROPERTY("TriggeredBy", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_TRIGGERED_BY]), SD_BUS_VTABLE_PROPERTY_CONST), | |
515 | SD_BUS_PROPERTY("PropagatesReloadTo", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_PROPAGATES_RELOAD_TO]), SD_BUS_VTABLE_PROPERTY_CONST), | |
516 | SD_BUS_PROPERTY("ReloadPropagatedFrom", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_RELOAD_PROPAGATED_FROM]), SD_BUS_VTABLE_PROPERTY_CONST), | |
517 | SD_BUS_PROPERTY("JoinsNamespaceOf", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_JOINS_NAMESPACE_OF]), SD_BUS_VTABLE_PROPERTY_CONST), | |
518 | SD_BUS_PROPERTY("RequiresMountsFor", "as", NULL, offsetof(Unit, requires_mounts_for), SD_BUS_VTABLE_PROPERTY_CONST), | |
519 | SD_BUS_PROPERTY("Documentation", "as", NULL, offsetof(Unit, documentation), SD_BUS_VTABLE_PROPERTY_CONST), | |
520 | SD_BUS_PROPERTY("Description", "s", property_get_description, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
521 | SD_BUS_PROPERTY("LoadState", "s", property_get_load_state, offsetof(Unit, load_state), SD_BUS_VTABLE_PROPERTY_CONST), | |
718db961 LP |
522 | SD_BUS_PROPERTY("ActiveState", "s", property_get_active_state, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
523 | SD_BUS_PROPERTY("SubState", "s", property_get_sub_state, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
556089dc LP |
524 | SD_BUS_PROPERTY("FragmentPath", "s", NULL, offsetof(Unit, fragment_path), SD_BUS_VTABLE_PROPERTY_CONST), |
525 | SD_BUS_PROPERTY("SourcePath", "s", NULL, offsetof(Unit, source_path), SD_BUS_VTABLE_PROPERTY_CONST), | |
526 | SD_BUS_PROPERTY("DropInPaths", "as", NULL, offsetof(Unit, dropin_paths), SD_BUS_VTABLE_PROPERTY_CONST), | |
718db961 LP |
527 | SD_BUS_PROPERTY("UnitFileState", "s", property_get_unit_file_state, 0, 0), |
528 | BUS_PROPERTY_DUAL_TIMESTAMP("InactiveExitTimestamp", offsetof(Unit, inactive_exit_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
529 | BUS_PROPERTY_DUAL_TIMESTAMP("ActiveEnterTimestamp", offsetof(Unit, active_enter_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
530 | BUS_PROPERTY_DUAL_TIMESTAMP("ActiveExitTimestamp", offsetof(Unit, active_exit_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
531 | BUS_PROPERTY_DUAL_TIMESTAMP("InactiveEnterTimestamp", offsetof(Unit, inactive_enter_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
556089dc LP |
532 | SD_BUS_PROPERTY("CanStart", "b", property_get_can_start, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
533 | SD_BUS_PROPERTY("CanStop", "b", property_get_can_stop, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
534 | SD_BUS_PROPERTY("CanReload", "b", property_get_can_reload, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
535 | SD_BUS_PROPERTY("CanIsolate", "b", property_get_can_isolate, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
718db961 | 536 | SD_BUS_PROPERTY("Job", "(uo)", property_get_job, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
556089dc LP |
537 | SD_BUS_PROPERTY("StopWhenUnneeded", "b", bus_property_get_bool, offsetof(Unit, stop_when_unneeded), SD_BUS_VTABLE_PROPERTY_CONST), |
538 | SD_BUS_PROPERTY("RefuseManualStart", "b", bus_property_get_bool, offsetof(Unit, refuse_manual_start), SD_BUS_VTABLE_PROPERTY_CONST), | |
539 | SD_BUS_PROPERTY("RefuseManualStop", "b", bus_property_get_bool, offsetof(Unit, refuse_manual_stop), SD_BUS_VTABLE_PROPERTY_CONST), | |
540 | SD_BUS_PROPERTY("AllowIsolate", "b", bus_property_get_bool, offsetof(Unit, allow_isolate), SD_BUS_VTABLE_PROPERTY_CONST), | |
541 | SD_BUS_PROPERTY("DefaultDependencies", "b", bus_property_get_bool, offsetof(Unit, default_dependencies), SD_BUS_VTABLE_PROPERTY_CONST), | |
542 | SD_BUS_PROPERTY("OnFailureJobMode", "s", property_get_job_mode, offsetof(Unit, on_failure_job_mode), SD_BUS_VTABLE_PROPERTY_CONST), | |
543 | SD_BUS_PROPERTY("IgnoreOnIsolate", "b", bus_property_get_bool, offsetof(Unit, ignore_on_isolate), SD_BUS_VTABLE_PROPERTY_CONST), | |
544 | SD_BUS_PROPERTY("IgnoreOnSnapshot", "b", bus_property_get_bool, offsetof(Unit, ignore_on_snapshot), SD_BUS_VTABLE_PROPERTY_CONST), | |
545 | SD_BUS_PROPERTY("NeedDaemonReload", "b", property_get_need_daemon_reload, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
546 | SD_BUS_PROPERTY("JobTimeoutUSec", "t", bus_property_get_usec, offsetof(Unit, job_timeout), SD_BUS_VTABLE_PROPERTY_CONST), | |
718db961 LP |
547 | SD_BUS_PROPERTY("ConditionResult", "b", bus_property_get_bool, offsetof(Unit, condition_result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
548 | BUS_PROPERTY_DUAL_TIMESTAMP("ConditionTimestamp", offsetof(Unit, condition_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
549 | SD_BUS_PROPERTY("Conditions", "a(sbbsi)", property_get_conditions, 0, 0), | |
556089dc LP |
550 | SD_BUS_PROPERTY("LoadError", "(ss)", property_get_load_error, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
551 | SD_BUS_PROPERTY("Transient", "b", bus_property_get_bool, offsetof(Unit, transient), SD_BUS_VTABLE_PROPERTY_CONST), | |
718db961 LP |
552 | |
553 | SD_BUS_METHOD("Start", "s", "o", method_start, 0), | |
554 | SD_BUS_METHOD("Stop", "s", "o", method_stop, 0), | |
555 | SD_BUS_METHOD("Reload", "s", "o", method_reload, 0), | |
556 | SD_BUS_METHOD("Restart", "s", "o", method_restart, 0), | |
557 | SD_BUS_METHOD("TryRestart", "s", "o", method_try_restart, 0), | |
558 | SD_BUS_METHOD("ReloadOrRestart", "s", "o", method_reload_or_restart, 0), | |
559 | SD_BUS_METHOD("ReloadOrTryRestart", "s", "o", method_reload_or_try_restart, 0), | |
560 | SD_BUS_METHOD("Kill", "si", NULL, bus_unit_method_kill, 0), | |
561 | SD_BUS_METHOD("ResetFailed", NULL, NULL, bus_unit_method_reset_failed, 0), | |
562 | SD_BUS_METHOD("SetProperties", "ba(sv)", NULL, bus_unit_method_set_properties, 0), | |
563 | ||
564 | SD_BUS_VTABLE_END | |
565 | }; | |
2cccbca4 | 566 | |
718db961 LP |
567 | static int property_get_slice( |
568 | sd_bus *bus, | |
569 | const char *path, | |
570 | const char *interface, | |
571 | const char *property, | |
572 | sd_bus_message *reply, | |
ebcf1f97 LP |
573 | void *userdata, |
574 | sd_bus_error *error) { | |
2cccbca4 | 575 | |
718db961 | 576 | Unit *u = userdata; |
2cccbca4 | 577 | |
718db961 LP |
578 | assert(bus); |
579 | assert(reply); | |
580 | assert(u); | |
2cccbca4 | 581 | |
718db961 LP |
582 | return sd_bus_message_append(reply, "s", unit_slice_name(u)); |
583 | } | |
2cccbca4 | 584 | |
718db961 LP |
585 | const sd_bus_vtable bus_unit_cgroup_vtable[] = { |
586 | SD_BUS_VTABLE_START(0), | |
587 | SD_BUS_PROPERTY("Slice", "s", property_get_slice, 0, 0), | |
588 | SD_BUS_PROPERTY("ControlGroup", "s", NULL, offsetof(Unit, cgroup_path), 0), | |
589 | SD_BUS_VTABLE_END | |
590 | }; | |
2cccbca4 | 591 | |
8f8f05a9 | 592 | static int send_new_signal(sd_bus *bus, void *userdata) { |
718db961 LP |
593 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL; |
594 | _cleanup_free_ char *p = NULL; | |
595 | Unit *u = userdata; | |
596 | int r; | |
2cccbca4 | 597 | |
718db961 LP |
598 | assert(bus); |
599 | assert(u); | |
2cccbca4 | 600 | |
718db961 LP |
601 | p = unit_dbus_path(u); |
602 | if (!u) | |
603 | return -ENOMEM; | |
2cccbca4 | 604 | |
718db961 LP |
605 | r = sd_bus_message_new_signal( |
606 | bus, | |
151b9b96 | 607 | &m, |
718db961 LP |
608 | "/org/freedesktop/systemd1", |
609 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 610 | "UnitNew"); |
718db961 LP |
611 | if (r < 0) |
612 | return r; | |
2cccbca4 | 613 | |
718db961 LP |
614 | r = sd_bus_message_append(m, "so", u->id, p); |
615 | if (r < 0) | |
616 | return r; | |
2cccbca4 | 617 | |
8f8f05a9 | 618 | return sd_bus_send(bus, m, NULL); |
718db961 | 619 | } |
2cccbca4 | 620 | |
8f8f05a9 | 621 | static int send_changed_signal(sd_bus *bus, void *userdata) { |
718db961 LP |
622 | _cleanup_free_ char *p = NULL; |
623 | Unit *u = userdata; | |
624 | int r; | |
2cccbca4 | 625 | |
718db961 LP |
626 | assert(bus); |
627 | assert(u); | |
2cccbca4 | 628 | |
718db961 | 629 | p = unit_dbus_path(u); |
9ceefc81 | 630 | if (!p) |
718db961 | 631 | return -ENOMEM; |
2cccbca4 | 632 | |
718db961 LP |
633 | /* Send a properties changed signal. First for the specific |
634 | * type, then for the generic unit. The clients may rely on | |
635 | * this order to get atomic behavior if needed. */ | |
ea430986 | 636 | |
aec8de63 LP |
637 | r = sd_bus_emit_properties_changed_strv( |
638 | bus, p, | |
639 | UNIT_VTABLE(u)->bus_interface, | |
640 | NULL); | |
641 | if (r < 0) { | |
642 | log_warning("Failed to send out specific PropertiesChanged signal for %s: %s", u->id, strerror(-r)); | |
643 | return r; | |
718db961 | 644 | } |
80fbf05e | 645 | |
aec8de63 | 646 | r = sd_bus_emit_properties_changed_strv( |
718db961 LP |
647 | bus, p, |
648 | "org.freedesktop.systemd1.Unit", | |
718db961 | 649 | NULL); |
aec8de63 LP |
650 | if (r < 0) { |
651 | log_warning("Failed to send out generic PropertiesChanged signal for %s: %s", u->id, strerror(-r)); | |
652 | return r; | |
653 | } | |
654 | ||
655 | return 0; | |
ea430986 LP |
656 | } |
657 | ||
c1e1601e | 658 | void bus_unit_send_change_signal(Unit *u) { |
b170dd80 | 659 | int r; |
c1e1601e | 660 | assert(u); |
c1e1601e | 661 | |
ac155bb8 | 662 | if (u->in_dbus_queue) { |
71fda00f | 663 | LIST_REMOVE(dbus_queue, u->manager->dbus_unit_queue, u); |
ac155bb8 | 664 | u->in_dbus_queue = false; |
c0bd0cf7 | 665 | } |
c1e1601e | 666 | |
ac155bb8 | 667 | if (!u->id) |
04ade7d2 LP |
668 | return; |
669 | ||
8f8f05a9 | 670 | r = bus_foreach_bus(u->manager, NULL, u->sent_dbus_new_signal ? send_changed_signal : send_new_signal, u); |
718db961 | 671 | if (r < 0) |
39abcaee | 672 | log_debug("Failed to send unit change signal for %s: %s", u->id, strerror(-r)); |
c1e1601e | 673 | |
718db961 LP |
674 | u->sent_dbus_new_signal = true; |
675 | } | |
c4e2ceae | 676 | |
8f8f05a9 | 677 | static int send_removed_signal(sd_bus *bus, void *userdata) { |
718db961 LP |
678 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL; |
679 | _cleanup_free_ char *p = NULL; | |
680 | Unit *u = userdata; | |
681 | int r; | |
c4e2ceae | 682 | |
718db961 LP |
683 | assert(bus); |
684 | assert(u); | |
c1e1601e | 685 | |
718db961 LP |
686 | p = unit_dbus_path(u); |
687 | if (!u) | |
688 | return -ENOMEM; | |
c1e1601e | 689 | |
718db961 LP |
690 | r = sd_bus_message_new_signal( |
691 | bus, | |
151b9b96 | 692 | &m, |
718db961 LP |
693 | "/org/freedesktop/systemd1", |
694 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 695 | "UnitRemoved"); |
718db961 LP |
696 | if (r < 0) |
697 | return r; | |
c1e1601e | 698 | |
718db961 LP |
699 | r = sd_bus_message_append(m, "so", u->id, p); |
700 | if (r < 0) | |
701 | return r; | |
c1e1601e | 702 | |
8f8f05a9 | 703 | return sd_bus_send(bus, m, NULL); |
c1e1601e LP |
704 | } |
705 | ||
706 | void bus_unit_send_removed_signal(Unit *u) { | |
718db961 | 707 | int r; |
c1e1601e LP |
708 | assert(u); |
709 | ||
ac155bb8 | 710 | if (!u->sent_dbus_new_signal) |
7535cc78 LP |
711 | bus_unit_send_change_signal(u); |
712 | ||
ac155bb8 | 713 | if (!u->id) |
04ade7d2 LP |
714 | return; |
715 | ||
8f8f05a9 | 716 | r = bus_foreach_bus(u->manager, NULL, send_removed_signal, u); |
718db961 | 717 | if (r < 0) |
39abcaee | 718 | log_debug("Failed to send unit remove signal for %s: %s", u->id, strerror(-r)); |
c1e1601e | 719 | } |
e2110e5d | 720 | |
718db961 LP |
721 | int bus_unit_queue_job( |
722 | sd_bus *bus, | |
723 | sd_bus_message *message, | |
cad45ba1 LP |
724 | Unit *u, |
725 | JobType type, | |
726 | JobMode mode, | |
ebcf1f97 LP |
727 | bool reload_if_possible, |
728 | sd_bus_error *error) { | |
cad45ba1 | 729 | |
cad45ba1 LP |
730 | _cleanup_free_ char *path = NULL; |
731 | Job *j; | |
cad45ba1 LP |
732 | int r; |
733 | ||
718db961 | 734 | assert(bus); |
cad45ba1 LP |
735 | assert(message); |
736 | assert(u); | |
737 | assert(type >= 0 && type < _JOB_TYPE_MAX); | |
738 | assert(mode >= 0 && mode < _JOB_MODE_MAX); | |
739 | ||
cad45ba1 LP |
740 | if (reload_if_possible && unit_can_reload(u)) { |
741 | if (type == JOB_RESTART) | |
742 | type = JOB_RELOAD_OR_START; | |
743 | else if (type == JOB_TRY_RESTART) | |
744 | type = JOB_RELOAD; | |
745 | } | |
746 | ||
ebcf1f97 LP |
747 | r = selinux_unit_access_check( |
748 | u, bus, message, | |
749 | (type == JOB_START || type == JOB_RESTART || type == JOB_TRY_RESTART) ? "start" : | |
750 | type == JOB_STOP ? "stop" : "reload", error); | |
751 | if (r < 0) | |
752 | return r; | |
cad45ba1 | 753 | |
718db961 LP |
754 | if (type == JOB_STOP && |
755 | (u->load_state == UNIT_NOT_FOUND || u->load_state == UNIT_ERROR) && | |
756 | unit_active_state(u) == UNIT_INACTIVE) | |
ebcf1f97 | 757 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s not loaded.", u->id); |
cad45ba1 LP |
758 | |
759 | if ((type == JOB_START && u->refuse_manual_start) || | |
760 | (type == JOB_STOP && u->refuse_manual_stop) || | |
718db961 | 761 | ((type == JOB_RESTART || type == JOB_TRY_RESTART) && (u->refuse_manual_start || u->refuse_manual_stop))) |
ebcf1f97 | 762 | return sd_bus_error_setf(error, BUS_ERROR_ONLY_BY_DEPENDENCY, "Operation refused, unit %s may be requested by dependency only.", u->id); |
cad45ba1 | 763 | |
ebcf1f97 | 764 | r = manager_add_job(u->manager, type, u, mode, true, error, &j); |
cad45ba1 | 765 | if (r < 0) |
ebcf1f97 | 766 | return r; |
cad45ba1 | 767 | |
8f8f05a9 LP |
768 | if (bus == u->manager->api_bus) { |
769 | if (!j->subscribed) { | |
770 | r = sd_bus_track_new(bus, &j->subscribed, NULL, NULL); | |
771 | if (r < 0) | |
772 | return r; | |
773 | } | |
774 | ||
775 | r = sd_bus_track_add_sender(j->subscribed, message); | |
776 | if (r < 0) | |
777 | return r; | |
778 | } | |
cad45ba1 LP |
779 | |
780 | path = job_dbus_path(j); | |
781 | if (!path) | |
6ce270b1 | 782 | return -ENOMEM; |
cad45ba1 | 783 | |
df2d202e | 784 | return sd_bus_reply_method_return(message, "o", path); |
cad45ba1 LP |
785 | } |
786 | ||
9f2e86af LP |
787 | static int bus_unit_set_transient_property( |
788 | Unit *u, | |
789 | const char *name, | |
718db961 | 790 | sd_bus_message *message, |
9f2e86af | 791 | UnitSetPropertiesMode mode, |
718db961 | 792 | sd_bus_error *error) { |
9f2e86af LP |
793 | |
794 | int r; | |
795 | ||
796 | assert(u); | |
797 | assert(name); | |
718db961 | 798 | assert(message); |
9f2e86af LP |
799 | |
800 | if (streq(name, "Description")) { | |
718db961 | 801 | const char *d; |
9f2e86af | 802 | |
718db961 LP |
803 | r = sd_bus_message_read(message, "s", &d); |
804 | if (r < 0) | |
805 | return r; | |
8aec412f | 806 | |
718db961 LP |
807 | if (mode != UNIT_CHECK) { |
808 | r = unit_set_description(u, d); | |
8aec412f LP |
809 | if (r < 0) |
810 | return r; | |
b9316fb0 | 811 | |
718db961 | 812 | unit_write_drop_in_format(u, mode, name, "[Unit]\nDescription=%s\n", d); |
8aec412f | 813 | } |
9f2e86af LP |
814 | |
815 | return 1; | |
c221420b LP |
816 | |
817 | } else if (streq(name, "Slice") && unit_get_cgroup_context(u)) { | |
818 | const char *s; | |
c221420b | 819 | |
718db961 LP |
820 | r = sd_bus_message_read(message, "s", &s); |
821 | if (r < 0) | |
822 | return r; | |
c221420b | 823 | |
f78e6385 | 824 | if (!unit_name_is_valid(s, TEMPLATE_INVALID) || !endswith(s, ".slice")) |
718db961 | 825 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid slice name %s", s); |
c221420b | 826 | |
8aec412f | 827 | if (isempty(s)) { |
b9ec9359 | 828 | if (mode != UNIT_CHECK) { |
8aec412f | 829 | unit_ref_unset(&u->slice); |
b9ec9359 LP |
830 | unit_remove_drop_in(u, mode, name); |
831 | } | |
8aec412f | 832 | } else { |
b9ec9359 | 833 | Unit *slice; |
b9316fb0 | 834 | |
8aec412f LP |
835 | r = manager_load_unit(u->manager, s, NULL, error, &slice); |
836 | if (r < 0) | |
837 | return r; | |
c221420b | 838 | |
8aec412f LP |
839 | if (slice->type != UNIT_SLICE) |
840 | return -EINVAL; | |
c221420b | 841 | |
b9ec9359 | 842 | if (mode != UNIT_CHECK) { |
8aec412f | 843 | unit_ref_set(&u->slice, slice); |
b9ec9359 LP |
844 | unit_write_drop_in_private_format(u, mode, name, "Slice=%s\n", s); |
845 | } | |
8aec412f | 846 | } |
b9ec9359 | 847 | |
c221420b | 848 | return 1; |
7fb3ee51 LP |
849 | |
850 | } else if (streq(name, "Requires") || | |
851 | streq(name, "RequiresOverridable") || | |
852 | streq(name, "Requisite") || | |
853 | streq(name, "RequisiteOverridable") || | |
854 | streq(name, "Wants") || | |
855 | streq(name, "BindsTo") || | |
856 | streq(name, "Conflicts") || | |
857 | streq(name, "Before") || | |
858 | streq(name, "After") || | |
859 | streq(name, "OnFailure") || | |
860 | streq(name, "PropagatesReloadTo") || | |
861 | streq(name, "ReloadPropagatedFrom") || | |
862 | streq(name, "PartOf")) { | |
863 | ||
864 | UnitDependency d; | |
718db961 | 865 | const char *other; |
7fb3ee51 LP |
866 | |
867 | d = unit_dependency_from_string(name); | |
868 | if (d < 0) | |
869 | return -EINVAL; | |
870 | ||
718db961 LP |
871 | r = sd_bus_message_enter_container(message, 'a', "s"); |
872 | if (r < 0) | |
873 | return r; | |
7fb3ee51 | 874 | |
718db961 | 875 | while ((r = sd_bus_message_read(message, "s", &other)) > 0) { |
f78e6385 | 876 | if (!unit_name_is_valid(other, TEMPLATE_INVALID)) |
718db961 | 877 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid unit name %s", other); |
7fb3ee51 LP |
878 | |
879 | if (mode != UNIT_CHECK) { | |
b9ec9359 | 880 | _cleanup_free_ char *label = NULL; |
7fb3ee51 LP |
881 | |
882 | r = unit_add_dependency_by_name(u, d, other, NULL, true); | |
883 | if (r < 0) | |
884 | return r; | |
885 | ||
886 | label = strjoin(name, "-", other, NULL); | |
887 | if (!label) | |
888 | return -ENOMEM; | |
889 | ||
b9ec9359 | 890 | unit_write_drop_in_format(u, mode, label, "[Unit]\n%s=%s\n", name, other); |
7fb3ee51 LP |
891 | } |
892 | ||
7fb3ee51 | 893 | } |
718db961 LP |
894 | if (r < 0) |
895 | return r; | |
7fb3ee51 | 896 | |
6ce270b1 LP |
897 | r = sd_bus_message_exit_container(message); |
898 | if (r < 0) | |
899 | return r; | |
900 | ||
7fb3ee51 | 901 | return 1; |
9f2e86af LP |
902 | } |
903 | ||
904 | return 0; | |
905 | } | |
906 | ||
c2756a68 LP |
907 | int bus_unit_set_properties( |
908 | Unit *u, | |
718db961 | 909 | sd_bus_message *message, |
c2756a68 LP |
910 | UnitSetPropertiesMode mode, |
911 | bool commit, | |
718db961 | 912 | sd_bus_error *error) { |
c2756a68 | 913 | |
8e2af478 | 914 | bool for_real = false; |
8e2af478 LP |
915 | unsigned n = 0; |
916 | int r; | |
917 | ||
918 | assert(u); | |
718db961 | 919 | assert(message); |
8e2af478 LP |
920 | |
921 | /* We iterate through the array twice. First run we just check | |
922 | * if all passed data is valid, second run actually applies | |
923 | * it. This is to implement transaction-like behaviour without | |
924 | * actually providing full transactions. */ | |
925 | ||
718db961 LP |
926 | r = sd_bus_message_enter_container(message, 'a', "(sv)"); |
927 | if (r < 0) | |
928 | return r; | |
8e2af478 | 929 | |
8e2af478 | 930 | for (;;) { |
8e2af478 LP |
931 | const char *name; |
932 | ||
718db961 LP |
933 | r = sd_bus_message_enter_container(message, 'r', "sv"); |
934 | if (r < 0) | |
935 | return r; | |
936 | if (r == 0) { | |
a255a7f1 | 937 | if (for_real || mode == UNIT_CHECK) |
8e2af478 LP |
938 | break; |
939 | ||
940 | /* Reached EOF. Let's try again, and this time for realz... */ | |
718db961 LP |
941 | r = sd_bus_message_rewind(message, false); |
942 | if (r < 0) | |
943 | return r; | |
6ce270b1 | 944 | |
8e2af478 LP |
945 | for_real = true; |
946 | continue; | |
947 | } | |
948 | ||
718db961 LP |
949 | r = sd_bus_message_read(message, "s", &name); |
950 | if (r < 0) | |
951 | return r; | |
8e2af478 | 952 | |
718db961 LP |
953 | if (!UNIT_VTABLE(u)->bus_set_property) |
954 | return sd_bus_error_setf(error, SD_BUS_ERROR_PROPERTY_READ_ONLY, "Objects of this type do not support setting properties."); | |
8e2af478 | 955 | |
718db961 LP |
956 | r = sd_bus_message_enter_container(message, 'v', NULL); |
957 | if (r < 0) | |
958 | return r; | |
8e2af478 | 959 | |
718db961 | 960 | r = UNIT_VTABLE(u)->bus_set_property(u, name, message, for_real ? mode : UNIT_CHECK, error); |
9f2e86af | 961 | if (r == 0 && u->transient && u->load_state == UNIT_STUB) |
718db961 LP |
962 | r = bus_unit_set_transient_property(u, name, message, for_real ? mode : UNIT_CHECK, error); |
963 | if (r < 0) | |
964 | return r; | |
965 | if (r == 0) | |
966 | return sd_bus_error_setf(error, SD_BUS_ERROR_PROPERTY_READ_ONLY, "Cannot set property %s, or unknown property.", name); | |
967 | ||
968 | r = sd_bus_message_exit_container(message); | |
8e2af478 LP |
969 | if (r < 0) |
970 | return r; | |
8e2af478 | 971 | |
718db961 LP |
972 | r = sd_bus_message_exit_container(message); |
973 | if (r < 0) | |
974 | return r; | |
8e2af478 LP |
975 | |
976 | n += for_real; | |
977 | } | |
978 | ||
6ce270b1 LP |
979 | r = sd_bus_message_exit_container(message); |
980 | if (r < 0) | |
981 | return r; | |
982 | ||
c2756a68 | 983 | if (commit && n > 0 && UNIT_VTABLE(u)->bus_commit_properties) |
8e2af478 LP |
984 | UNIT_VTABLE(u)->bus_commit_properties(u); |
985 | ||
241da328 | 986 | return n; |
8e2af478 | 987 | } |