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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
a7334b09 | 2 | |
718db961 | 3 | #include "sd-bus.h" |
07630cea | 4 | |
b5efdb8a | 5 | #include "alloc-util.h" |
906c06f6 | 6 | #include "bpf-firewall.h" |
07630cea | 7 | #include "bus-common-errors.h" |
40af3d02 | 8 | #include "bus-get-properties.h" |
269e4d2d | 9 | #include "bus-polkit.h" |
07630cea | 10 | #include "cgroup-util.h" |
faa781cf | 11 | #include "condition.h" |
c5a97ed1 | 12 | #include "dbus-job.h" |
c44a285c | 13 | #include "dbus-manager.h" |
8752c575 | 14 | #include "dbus-unit.h" |
faa781cf | 15 | #include "dbus-util.h" |
07630cea | 16 | #include "dbus.h" |
291d565a | 17 | #include "fd-util.h" |
5cfa33e0 | 18 | #include "install.h" |
8752c575 | 19 | #include "locale-util.h" |
ea430986 | 20 | #include "log.h" |
faa781cf | 21 | #include "path-util.h" |
291d565a | 22 | #include "process-util.h" |
e2417e41 | 23 | #include "selinux-access.h" |
6eb7c172 | 24 | #include "signal-util.h" |
efdb0237 | 25 | #include "special.h" |
83f18c91 | 26 | #include "string-table.h" |
07630cea LP |
27 | #include "string-util.h" |
28 | #include "strv.h" | |
ee104e11 | 29 | #include "user-util.h" |
faa781cf | 30 | #include "web-util.h" |
718db961 | 31 | |
874bd264 YW |
32 | static bool unit_can_start_refuse_manual(Unit *u) { |
33 | return unit_can_start(u) && !u->refuse_manual_start; | |
34 | } | |
35 | ||
36 | static bool unit_can_stop_refuse_manual(Unit *u) { | |
37 | return unit_can_stop(u) && !u->refuse_manual_stop; | |
38 | } | |
39 | ||
40 | static bool unit_can_isolate_refuse_manual(Unit *u) { | |
41 | return unit_can_isolate(u) && !u->refuse_manual_start; | |
42 | } | |
43 | ||
5afe510c | 44 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_collect_mode, collect_mode, CollectMode); |
718db961 | 45 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_load_state, unit_load_state, UnitLoadState); |
d420282b | 46 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_job_mode, job_mode, JobMode); |
cb7f88fc YW |
47 | static BUS_DEFINE_PROPERTY_GET(property_get_description, "s", Unit, unit_description); |
48 | static BUS_DEFINE_PROPERTY_GET2(property_get_active_state, "s", Unit, unit_active_state, unit_active_state_to_string); | |
d9e45bc3 | 49 | static BUS_DEFINE_PROPERTY_GET2(property_get_freezer_state, "s", Unit, unit_freezer_state, freezer_state_to_string); |
cb7f88fc YW |
50 | static BUS_DEFINE_PROPERTY_GET(property_get_sub_state, "s", Unit, unit_sub_state_to_string); |
51 | static BUS_DEFINE_PROPERTY_GET2(property_get_unit_file_state, "s", Unit, unit_get_unit_file_state, unit_file_state_to_string); | |
52 | static BUS_DEFINE_PROPERTY_GET(property_get_can_reload, "b", Unit, unit_can_reload); | |
874bd264 YW |
53 | static BUS_DEFINE_PROPERTY_GET(property_get_can_start, "b", Unit, unit_can_start_refuse_manual); |
54 | static BUS_DEFINE_PROPERTY_GET(property_get_can_stop, "b", Unit, unit_can_stop_refuse_manual); | |
55 | static BUS_DEFINE_PROPERTY_GET(property_get_can_isolate, "b", Unit, unit_can_isolate_refuse_manual); | |
d9e45bc3 | 56 | static BUS_DEFINE_PROPERTY_GET(property_get_can_freeze, "b", Unit, unit_can_freeze); |
cb7f88fc | 57 | static BUS_DEFINE_PROPERTY_GET(property_get_need_daemon_reload, "b", Unit, unit_need_daemon_reload); |
92c23c5a | 58 | static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_empty_strv, "as", 0); |
718db961 | 59 | |
4d3bac56 LP |
60 | static int property_get_can_clean( |
61 | sd_bus *bus, | |
62 | const char *path, | |
63 | const char *interface, | |
64 | const char *property, | |
65 | sd_bus_message *reply, | |
66 | void *userdata, | |
67 | sd_bus_error *error) { | |
68 | ||
69 | Unit *u = userdata; | |
70 | ExecCleanMask mask; | |
71 | int r; | |
72 | ||
73 | assert(bus); | |
74 | assert(reply); | |
75 | ||
76 | r = unit_can_clean(u, &mask); | |
77 | if (r < 0) | |
78 | return r; | |
79 | ||
80 | r = sd_bus_message_open_container(reply, 'a', "s"); | |
81 | if (r < 0) | |
82 | return r; | |
83 | ||
84 | for (ExecDirectoryType t = 0; t < _EXEC_DIRECTORY_TYPE_MAX; t++) { | |
85 | if (!FLAGS_SET(mask, 1U << t)) | |
86 | continue; | |
87 | ||
88 | r = sd_bus_message_append(reply, "s", exec_resource_type_to_string(t)); | |
89 | if (r < 0) | |
90 | return r; | |
91 | } | |
92 | ||
4fb8f1e8 LP |
93 | if (FLAGS_SET(mask, EXEC_CLEAN_FDSTORE)) { |
94 | r = sd_bus_message_append(reply, "s", "fdstore"); | |
95 | if (r < 0) | |
96 | return r; | |
97 | } | |
98 | ||
4d3bac56 LP |
99 | return sd_bus_message_close_container(reply); |
100 | } | |
101 | ||
718db961 LP |
102 | static int property_get_names( |
103 | sd_bus *bus, | |
104 | const char *path, | |
105 | const char *interface, | |
106 | const char *property, | |
107 | sd_bus_message *reply, | |
ebcf1f97 LP |
108 | void *userdata, |
109 | sd_bus_error *error) { | |
718db961 | 110 | |
99534007 | 111 | Unit *u = ASSERT_PTR(userdata); |
718db961 LP |
112 | const char *t; |
113 | int r; | |
ea430986 | 114 | |
718db961 LP |
115 | assert(bus); |
116 | assert(reply); | |
4139c1b2 | 117 | |
718db961 LP |
118 | r = sd_bus_message_open_container(reply, 'a', "s"); |
119 | if (r < 0) | |
120 | return r; | |
4139c1b2 | 121 | |
4562c355 ZJS |
122 | r = sd_bus_message_append(reply, "s", u->id); |
123 | if (r < 0) | |
124 | return r; | |
125 | ||
90e74a66 | 126 | SET_FOREACH(t, u->aliases) { |
718db961 LP |
127 | r = sd_bus_message_append(reply, "s", t); |
128 | if (r < 0) | |
129 | return r; | |
130 | } | |
4139c1b2 | 131 | |
718db961 | 132 | return sd_bus_message_close_container(reply); |
4139c1b2 LP |
133 | } |
134 | ||
718db961 LP |
135 | static int property_get_following( |
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) { | |
718db961 LP |
143 | |
144 | Unit *u = userdata, *f; | |
8fe914ec | 145 | |
718db961 LP |
146 | assert(bus); |
147 | assert(reply); | |
8fe914ec LP |
148 | assert(u); |
149 | ||
a7f241db | 150 | f = unit_following(u); |
79a60375 | 151 | return sd_bus_message_append(reply, "s", f ? f->id : NULL); |
8fe914ec LP |
152 | } |
153 | ||
718db961 LP |
154 | static int property_get_dependencies( |
155 | sd_bus *bus, | |
156 | const char *path, | |
157 | const char *interface, | |
158 | const char *property, | |
159 | sd_bus_message *reply, | |
ebcf1f97 LP |
160 | void *userdata, |
161 | sd_bus_error *error) { | |
4ec9a8a4 | 162 | |
15ed3c3a LP |
163 | Unit *u = userdata, *other; |
164 | UnitDependency d; | |
165 | Hashmap *deps; | |
eef85c4a | 166 | void *v; |
718db961 | 167 | int r; |
5301be81 | 168 | |
718db961 LP |
169 | assert(bus); |
170 | assert(reply); | |
15ed3c3a LP |
171 | assert(u); |
172 | ||
173 | d = unit_dependency_from_string(property); | |
174 | assert_se(d >= 0); | |
175 | ||
176 | deps = unit_get_dependencies(u, d); | |
5301be81 | 177 | |
718db961 LP |
178 | r = sd_bus_message_open_container(reply, 'a', "s"); |
179 | if (r < 0) | |
180 | return r; | |
5301be81 | 181 | |
15ed3c3a LP |
182 | HASHMAP_FOREACH_KEY(v, other, deps) { |
183 | r = sd_bus_message_append(reply, "s", other->id); | |
718db961 LP |
184 | if (r < 0) |
185 | return r; | |
186 | } | |
5301be81 | 187 | |
718db961 | 188 | return sd_bus_message_close_container(reply); |
5301be81 LP |
189 | } |
190 | ||
99c14018 YW |
191 | static int property_get_requires_mounts_for( |
192 | sd_bus *bus, | |
193 | const char *path, | |
194 | const char *interface, | |
195 | const char *property, | |
196 | sd_bus_message *reply, | |
197 | void *userdata, | |
198 | sd_bus_error *error) { | |
199 | ||
99534007 | 200 | Hashmap **h = ASSERT_PTR(userdata); |
99c14018 YW |
201 | const char *p; |
202 | void *v; | |
203 | int r; | |
204 | ||
205 | assert(bus); | |
206 | assert(reply); | |
207 | ||
208 | r = sd_bus_message_open_container(reply, 'a', "s"); | |
209 | if (r < 0) | |
210 | return r; | |
211 | ||
90e74a66 | 212 | HASHMAP_FOREACH_KEY(v, p, *h) { |
99c14018 YW |
213 | r = sd_bus_message_append(reply, "s", p); |
214 | if (r < 0) | |
215 | return r; | |
216 | } | |
217 | ||
218 | return sd_bus_message_close_container(reply); | |
219 | } | |
220 | ||
d2dc52db LP |
221 | static int property_get_unit_file_preset( |
222 | sd_bus *bus, | |
223 | const char *path, | |
224 | const char *interface, | |
225 | const char *property, | |
226 | sd_bus_message *reply, | |
227 | void *userdata, | |
228 | sd_bus_error *error) { | |
229 | ||
99534007 | 230 | Unit *u = ASSERT_PTR(userdata); |
d2dc52db LP |
231 | int r; |
232 | ||
233 | assert(bus); | |
234 | assert(reply); | |
d2dc52db LP |
235 | |
236 | r = unit_get_unit_file_preset(u); | |
237 | ||
238 | return sd_bus_message_append(reply, "s", | |
79a60375 | 239 | r < 0 ? NULL: |
d2dc52db LP |
240 | r > 0 ? "enabled" : "disabled"); |
241 | } | |
242 | ||
718db961 LP |
243 | static int property_get_job( |
244 | sd_bus *bus, | |
245 | const char *path, | |
246 | const char *interface, | |
247 | const char *property, | |
248 | sd_bus_message *reply, | |
ebcf1f97 LP |
249 | void *userdata, |
250 | sd_bus_error *error) { | |
718db961 | 251 | |
f93891f3 | 252 | _cleanup_free_ char *p = NULL; |
99534007 | 253 | Job **j = ASSERT_PTR(userdata); |
38131695 | 254 | |
718db961 LP |
255 | assert(bus); |
256 | assert(reply); | |
38131695 | 257 | |
14f7edb0 | 258 | if (!*j) |
718db961 | 259 | return sd_bus_message_append(reply, "(uo)", 0, "/"); |
38131695 | 260 | |
14f7edb0 | 261 | p = job_dbus_path(*j); |
718db961 LP |
262 | if (!p) |
263 | return -ENOMEM; | |
38131695 | 264 | |
14f7edb0 | 265 | return sd_bus_message_append(reply, "(uo)", (*j)->id, p); |
718db961 | 266 | } |
38131695 | 267 | |
718db961 LP |
268 | static int property_get_conditions( |
269 | sd_bus *bus, | |
270 | const char *path, | |
271 | const char *interface, | |
272 | const char *property, | |
273 | sd_bus_message *reply, | |
ebcf1f97 LP |
274 | void *userdata, |
275 | sd_bus_error *error) { | |
45fb0699 | 276 | |
59fccdc5 | 277 | const char *(*to_string)(ConditionType type) = NULL; |
99534007 | 278 | Condition **list = ASSERT_PTR(userdata); |
718db961 | 279 | int r; |
45fb0699 | 280 | |
718db961 LP |
281 | assert(bus); |
282 | assert(reply); | |
59fccdc5 LP |
283 | |
284 | to_string = streq(property, "Asserts") ? assert_type_to_string : condition_type_to_string; | |
45fb0699 | 285 | |
718db961 LP |
286 | r = sd_bus_message_open_container(reply, 'a', "(sbbsi)"); |
287 | if (r < 0) | |
288 | return r; | |
45fb0699 | 289 | |
59fccdc5 | 290 | LIST_FOREACH(conditions, c, *list) { |
cc50ef13 LP |
291 | int tristate; |
292 | ||
293 | tristate = | |
294 | c->result == CONDITION_UNTESTED ? 0 : | |
295 | c->result == CONDITION_SUCCEEDED ? 1 : -1; | |
296 | ||
2c7e050f | 297 | r = sd_bus_message_append(reply, "(sbbsi)", |
59fccdc5 | 298 | to_string(c->type), |
2c7e050f | 299 | c->trigger, c->negate, |
cc50ef13 | 300 | c->parameter, tristate); |
718db961 LP |
301 | if (r < 0) |
302 | return r; | |
45fb0699 | 303 | |
718db961 | 304 | } |
52990c2e | 305 | |
718db961 | 306 | return sd_bus_message_close_container(reply); |
52990c2e ZJS |
307 | } |
308 | ||
718db961 LP |
309 | static int property_get_load_error( |
310 | sd_bus *bus, | |
311 | const char *path, | |
312 | const char *interface, | |
313 | const char *property, | |
314 | sd_bus_message *reply, | |
ebcf1f97 LP |
315 | void *userdata, |
316 | sd_bus_error *error) { | |
52990c2e | 317 | |
4afd3348 | 318 | _cleanup_(sd_bus_error_free) sd_bus_error e = SD_BUS_ERROR_NULL; |
99534007 | 319 | Unit *u = ASSERT_PTR(userdata); |
fd1e3fd8 | 320 | int r; |
52990c2e | 321 | |
718db961 LP |
322 | assert(bus); |
323 | assert(reply); | |
52990c2e | 324 | |
fd1e3fd8 LP |
325 | r = bus_unit_validate_load_state(u, &e); |
326 | if (r < 0) | |
327 | return sd_bus_message_append(reply, "(ss)", e.name, e.message); | |
52990c2e | 328 | |
fd1e3fd8 | 329 | return sd_bus_message_append(reply, "(ss)", NULL, NULL); |
52990c2e ZJS |
330 | } |
331 | ||
ff68472a ZJS |
332 | static int property_get_markers( |
333 | sd_bus *bus, | |
334 | const char *path, | |
335 | const char *interface, | |
336 | const char *property, | |
337 | sd_bus_message *reply, | |
338 | void *userdata, | |
339 | sd_bus_error *error) { | |
340 | ||
99534007 | 341 | unsigned *markers = ASSERT_PTR(userdata); |
ff68472a ZJS |
342 | int r; |
343 | ||
344 | assert(bus); | |
345 | assert(reply); | |
ff68472a ZJS |
346 | |
347 | r = sd_bus_message_open_container(reply, 'a', "s"); | |
348 | if (r < 0) | |
349 | return r; | |
350 | ||
351 | /* Make sure out values fit in the bitfield. */ | |
352 | assert_cc(_UNIT_MARKER_MAX <= sizeof(((Unit){}).markers) * 8); | |
353 | ||
354 | for (UnitMarker m = 0; m < _UNIT_MARKER_MAX; m++) | |
355 | if (FLAGS_SET(*markers, 1u << m)) { | |
356 | r = sd_bus_message_append(reply, "s", unit_marker_to_string(m)); | |
357 | if (r < 0) | |
358 | return r; | |
359 | } | |
360 | ||
361 | return sd_bus_message_close_container(reply); | |
362 | } | |
363 | ||
50cbaba4 LP |
364 | static const char *const polkit_message_for_job[_JOB_TYPE_MAX] = { |
365 | [JOB_START] = N_("Authentication is required to start '$(unit)'."), | |
366 | [JOB_STOP] = N_("Authentication is required to stop '$(unit)'."), | |
367 | [JOB_RELOAD] = N_("Authentication is required to reload '$(unit)'."), | |
368 | [JOB_RESTART] = N_("Authentication is required to restart '$(unit)'."), | |
369 | [JOB_TRY_RESTART] = N_("Authentication is required to restart '$(unit)'."), | |
370 | }; | |
371 | ||
1d22e906 | 372 | int bus_unit_method_start_generic( |
1d22e906 LP |
373 | sd_bus_message *message, |
374 | Unit *u, | |
375 | JobType job_type, | |
376 | bool reload_if_possible, | |
377 | sd_bus_error *error) { | |
378 | ||
f4328267 | 379 | BusUnitQueueFlags job_flags = reload_if_possible ? BUS_UNIT_QUEUE_RELOAD_IF_POSSIBLE : 0; |
e59ba56d | 380 | const char *smode, *verb; |
718db961 LP |
381 | JobMode mode; |
382 | int r; | |
9f39404c | 383 | |
718db961 | 384 | assert(message); |
9f39404c | 385 | assert(u); |
718db961 | 386 | assert(job_type >= 0 && job_type < _JOB_TYPE_MAX); |
9f39404c | 387 | |
61ea63f1 EV |
388 | r = mac_selinux_unit_access_check( |
389 | u, message, | |
94bd7323 EV |
390 | job_type_to_access_method(job_type), |
391 | error); | |
1d22e906 LP |
392 | if (r < 0) |
393 | return r; | |
394 | ||
718db961 LP |
395 | r = sd_bus_message_read(message, "s", &smode); |
396 | if (r < 0) | |
ebcf1f97 | 397 | return r; |
9f39404c | 398 | |
718db961 LP |
399 | mode = job_mode_from_string(smode); |
400 | if (mode < 0) | |
ebcf1f97 | 401 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Job mode %s invalid", smode); |
9f39404c | 402 | |
88ced61b | 403 | if (reload_if_possible) |
e59ba56d | 404 | verb = strjoina("reload-or-", job_type_to_string(job_type)); |
88ced61b | 405 | else |
e59ba56d | 406 | verb = job_type_to_string(job_type); |
88ced61b | 407 | |
f4328267 LB |
408 | if (sd_bus_message_is_method_call(message, NULL, "StartUnitWithFlags")) { |
409 | uint64_t input_flags = 0; | |
410 | ||
411 | r = sd_bus_message_read(message, "t", &input_flags); | |
412 | if (r < 0) | |
413 | return r; | |
414 | /* Let clients know that this version doesn't support any flags at the moment. */ | |
415 | if (input_flags != 0) | |
416 | return sd_bus_reply_method_errorf(message, SD_BUS_ERROR_INVALID_ARGS, | |
417 | "Invalid 'flags' parameter '%" PRIu64 "'", | |
418 | input_flags); | |
f4328267 LB |
419 | } |
420 | ||
88ced61b MC |
421 | r = bus_verify_manage_units_async_full( |
422 | u, | |
423 | verb, | |
424 | CAP_SYS_ADMIN, | |
ebfb1b57 | 425 | polkit_message_for_job[job_type], |
05a98afd | 426 | true, |
88ced61b MC |
427 | message, |
428 | error); | |
1d22e906 LP |
429 | if (r < 0) |
430 | return r; | |
431 | if (r == 0) | |
432 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
433 | ||
f4328267 | 434 | return bus_unit_queue_job(message, u, job_type, mode, job_flags, error); |
9f39404c LP |
435 | } |
436 | ||
7e570d57 | 437 | static int bus_unit_method_start(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
19070062 | 438 | return bus_unit_method_start_generic(message, userdata, JOB_START, false, error); |
718db961 | 439 | } |
b548631a | 440 | |
7e570d57 | 441 | static int bus_unit_method_stop(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
19070062 | 442 | return bus_unit_method_start_generic(message, userdata, JOB_STOP, false, error); |
718db961 LP |
443 | } |
444 | ||
7e570d57 | 445 | static int bus_unit_method_reload(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
19070062 | 446 | return bus_unit_method_start_generic(message, userdata, JOB_RELOAD, false, error); |
718db961 | 447 | } |
0a524ba7 | 448 | |
7e570d57 | 449 | static int bus_unit_method_restart(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
19070062 | 450 | return bus_unit_method_start_generic(message, userdata, JOB_RESTART, false, error); |
718db961 | 451 | } |
8a0867d6 | 452 | |
7e570d57 | 453 | static int bus_unit_method_try_restart(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
19070062 | 454 | return bus_unit_method_start_generic(message, userdata, JOB_TRY_RESTART, false, error); |
718db961 | 455 | } |
cad45ba1 | 456 | |
7e570d57 | 457 | static int bus_unit_method_reload_or_restart(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
19070062 | 458 | return bus_unit_method_start_generic(message, userdata, JOB_RESTART, true, error); |
718db961 | 459 | } |
8a0867d6 | 460 | |
7e570d57 | 461 | static int bus_unit_method_reload_or_try_restart(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
19070062 | 462 | return bus_unit_method_start_generic(message, userdata, JOB_TRY_RESTART, true, error); |
718db961 | 463 | } |
8a0867d6 | 464 | |
50cbaba4 LP |
465 | int bus_unit_method_enqueue_job(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
466 | BusUnitQueueFlags flags = BUS_UNIT_QUEUE_VERBOSE_REPLY; | |
467 | const char *jtype, *smode; | |
99534007 | 468 | Unit *u = ASSERT_PTR(userdata); |
50cbaba4 LP |
469 | JobType type; |
470 | JobMode mode; | |
471 | int r; | |
472 | ||
473 | assert(message); | |
50cbaba4 LP |
474 | |
475 | r = sd_bus_message_read(message, "ss", &jtype, &smode); | |
476 | if (r < 0) | |
477 | return r; | |
478 | ||
479 | /* Parse the two magic reload types "reload-or-…" manually */ | |
480 | if (streq(jtype, "reload-or-restart")) { | |
481 | type = JOB_RESTART; | |
482 | flags |= BUS_UNIT_QUEUE_RELOAD_IF_POSSIBLE; | |
483 | } else if (streq(jtype, "reload-or-try-restart")) { | |
484 | type = JOB_TRY_RESTART; | |
485 | flags |= BUS_UNIT_QUEUE_RELOAD_IF_POSSIBLE; | |
486 | } else { | |
487 | /* And the rest generically */ | |
488 | type = job_type_from_string(jtype); | |
489 | if (type < 0) | |
490 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Job type %s invalid", jtype); | |
491 | } | |
492 | ||
493 | mode = job_mode_from_string(smode); | |
494 | if (mode < 0) | |
495 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Job mode %s invalid", smode); | |
496 | ||
497 | r = mac_selinux_unit_access_check( | |
498 | u, message, | |
499 | job_type_to_access_method(type), | |
500 | error); | |
501 | if (r < 0) | |
502 | return r; | |
503 | ||
504 | r = bus_verify_manage_units_async_full( | |
505 | u, | |
506 | jtype, | |
507 | CAP_SYS_ADMIN, | |
508 | polkit_message_for_job[type], | |
509 | true, | |
510 | message, | |
511 | error); | |
512 | if (r < 0) | |
513 | return r; | |
514 | if (r == 0) | |
515 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
516 | ||
517 | return bus_unit_queue_job(message, u, type, mode, flags, error); | |
518 | } | |
519 | ||
19070062 | 520 | int bus_unit_method_kill(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
99534007 | 521 | Unit *u = ASSERT_PTR(userdata); |
a721cd00 | 522 | int32_t value = 0; |
718db961 LP |
523 | const char *swho; |
524 | int32_t signo; | |
525 | KillWho who; | |
a721cd00 | 526 | int r, code; |
5632e374 | 527 | |
718db961 | 528 | assert(message); |
cad45ba1 | 529 | |
1d22e906 | 530 | r = mac_selinux_unit_access_check(u, message, "stop", error); |
283868e1 SW |
531 | if (r < 0) |
532 | return r; | |
283868e1 | 533 | |
718db961 LP |
534 | r = sd_bus_message_read(message, "si", &swho, &signo); |
535 | if (r < 0) | |
ebcf1f97 | 536 | return r; |
718db961 | 537 | |
a721cd00 LP |
538 | if (startswith(sd_bus_message_get_member(message), "QueueSignal")) { |
539 | r = sd_bus_message_read(message, "i", &value); | |
540 | if (r < 0) | |
541 | return r; | |
542 | ||
543 | code = SI_QUEUE; | |
544 | } else | |
545 | code = SI_USER; | |
546 | ||
718db961 LP |
547 | if (isempty(swho)) |
548 | who = KILL_ALL; | |
549 | else { | |
550 | who = kill_who_from_string(swho); | |
551 | if (who < 0) | |
a721cd00 | 552 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid who argument: %s", swho); |
718db961 | 553 | } |
5632e374 | 554 | |
6eb7c172 | 555 | if (!SIGNAL_VALID(signo)) |
1b09b81c | 556 | return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Signal number out of range."); |
8e2af478 | 557 | |
a721cd00 LP |
558 | if (code == SI_QUEUE && !((signo >= SIGRTMIN) && (signo <= SIGRTMAX))) |
559 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, | |
560 | "Value parameter only accepted for realtime signals (SIGRTMIN…SIGRTMAX), refusing for signal SIG%s.", signal_to_string(signo)); | |
561 | ||
88ced61b MC |
562 | r = bus_verify_manage_units_async_full( |
563 | u, | |
564 | "kill", | |
565 | CAP_KILL, | |
1d445eda | 566 | N_("Authentication is required to send a UNIX signal to the processes of '$(unit)'."), |
05a98afd | 567 | true, |
88ced61b MC |
568 | message, |
569 | error); | |
ebcf1f97 LP |
570 | if (r < 0) |
571 | return r; | |
1d22e906 LP |
572 | if (r == 0) |
573 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
8e2af478 | 574 | |
a721cd00 | 575 | r = unit_kill(u, who, signo, code, value, error); |
718db961 | 576 | if (r < 0) |
ebcf1f97 | 577 | return r; |
8e2af478 | 578 | |
df2d202e | 579 | return sd_bus_reply_method_return(message, NULL); |
718db961 | 580 | } |
8e2af478 | 581 | |
19070062 | 582 | int bus_unit_method_reset_failed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
99534007 | 583 | Unit *u = ASSERT_PTR(userdata); |
ebcf1f97 | 584 | int r; |
b548631a | 585 | |
718db961 | 586 | assert(message); |
b548631a | 587 | |
1d22e906 | 588 | r = mac_selinux_unit_access_check(u, message, "reload", error); |
283868e1 SW |
589 | if (r < 0) |
590 | return r; | |
283868e1 | 591 | |
88ced61b MC |
592 | r = bus_verify_manage_units_async_full( |
593 | u, | |
594 | "reset-failed", | |
595 | CAP_SYS_ADMIN, | |
596 | N_("Authentication is required to reset the \"failed\" state of '$(unit)'."), | |
05a98afd | 597 | true, |
88ced61b MC |
598 | message, |
599 | error); | |
ebcf1f97 LP |
600 | if (r < 0) |
601 | return r; | |
1d22e906 LP |
602 | if (r == 0) |
603 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
b548631a | 604 | |
718db961 | 605 | unit_reset_failed(u); |
b548631a | 606 | |
df2d202e | 607 | return sd_bus_reply_method_return(message, NULL); |
ea430986 LP |
608 | } |
609 | ||
19070062 | 610 | int bus_unit_method_set_properties(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
99534007 | 611 | Unit *u = ASSERT_PTR(userdata); |
718db961 | 612 | int runtime, r; |
ea430986 | 613 | |
ea430986 | 614 | assert(message); |
80fbf05e | 615 | |
1d22e906 | 616 | r = mac_selinux_unit_access_check(u, message, "start", error); |
283868e1 SW |
617 | if (r < 0) |
618 | return r; | |
283868e1 | 619 | |
718db961 LP |
620 | r = sd_bus_message_read(message, "b", &runtime); |
621 | if (r < 0) | |
ebcf1f97 | 622 | return r; |
2cccbca4 | 623 | |
88ced61b MC |
624 | r = bus_verify_manage_units_async_full( |
625 | u, | |
626 | "set-property", | |
627 | CAP_SYS_ADMIN, | |
628 | N_("Authentication is required to set properties on '$(unit)'."), | |
05a98afd | 629 | true, |
88ced61b MC |
630 | message, |
631 | error); | |
ebcf1f97 LP |
632 | if (r < 0) |
633 | return r; | |
1d22e906 LP |
634 | if (r == 0) |
635 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
cad45ba1 | 636 | |
ebcf1f97 | 637 | r = bus_unit_set_properties(u, message, runtime ? UNIT_RUNTIME : UNIT_PERSISTENT, true, error); |
718db961 | 638 | if (r < 0) |
ebcf1f97 | 639 | return r; |
2cccbca4 | 640 | |
df2d202e | 641 | return sd_bus_reply_method_return(message, NULL); |
718db961 | 642 | } |
2cccbca4 | 643 | |
05a98afd | 644 | int bus_unit_method_ref(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
99534007 | 645 | Unit *u = ASSERT_PTR(userdata); |
05a98afd LP |
646 | int r; |
647 | ||
648 | assert(message); | |
05a98afd LP |
649 | |
650 | r = mac_selinux_unit_access_check(u, message, "start", error); | |
651 | if (r < 0) | |
652 | return r; | |
653 | ||
654 | r = bus_verify_manage_units_async_full( | |
655 | u, | |
656 | "ref", | |
657 | CAP_SYS_ADMIN, | |
658 | NULL, | |
659 | false, | |
660 | message, | |
661 | error); | |
662 | if (r < 0) | |
663 | return r; | |
664 | if (r == 0) | |
665 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
666 | ||
667 | r = bus_unit_track_add_sender(u, message); | |
668 | if (r < 0) | |
669 | return r; | |
670 | ||
671 | return sd_bus_reply_method_return(message, NULL); | |
672 | } | |
673 | ||
674 | int bus_unit_method_unref(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
99534007 | 675 | Unit *u = ASSERT_PTR(userdata); |
05a98afd LP |
676 | int r; |
677 | ||
678 | assert(message); | |
05a98afd LP |
679 | |
680 | r = bus_unit_track_remove_sender(u, message); | |
681 | if (r == -EUNATCH) | |
1b09b81c | 682 | return sd_bus_error_set(error, BUS_ERROR_NOT_REFERENCED, "Unit has not been referenced yet."); |
05a98afd LP |
683 | if (r < 0) |
684 | return r; | |
685 | ||
686 | return sd_bus_reply_method_return(message, NULL); | |
687 | } | |
688 | ||
4d3bac56 LP |
689 | int bus_unit_method_clean(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
690 | ExecCleanMask mask = 0; | |
99534007 | 691 | Unit *u = ASSERT_PTR(userdata); |
4d3bac56 LP |
692 | int r; |
693 | ||
694 | assert(message); | |
4d3bac56 LP |
695 | |
696 | r = mac_selinux_unit_access_check(u, message, "stop", error); | |
697 | if (r < 0) | |
698 | return r; | |
699 | ||
700 | r = sd_bus_message_enter_container(message, 'a', "s"); | |
701 | if (r < 0) | |
702 | return r; | |
703 | ||
704 | for (;;) { | |
4fb8f1e8 | 705 | ExecCleanMask m; |
4d3bac56 LP |
706 | const char *i; |
707 | ||
708 | r = sd_bus_message_read(message, "s", &i); | |
709 | if (r < 0) | |
710 | return r; | |
711 | if (r == 0) | |
712 | break; | |
713 | ||
4fb8f1e8 LP |
714 | m = exec_clean_mask_from_string(i); |
715 | if (m < 0) | |
716 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid resource type: %s", i); | |
4d3bac56 | 717 | |
4fb8f1e8 | 718 | mask |= m; |
4d3bac56 LP |
719 | } |
720 | ||
721 | r = sd_bus_message_exit_container(message); | |
722 | if (r < 0) | |
723 | return r; | |
724 | ||
725 | r = bus_verify_manage_units_async_full( | |
726 | u, | |
727 | "clean", | |
728 | CAP_DAC_OVERRIDE, | |
729 | N_("Authentication is required to delete files and directories associated with '$(unit)'."), | |
730 | true, | |
731 | message, | |
732 | error); | |
733 | if (r < 0) | |
734 | return r; | |
735 | if (r == 0) | |
736 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
737 | ||
738 | r = unit_clean(u, mask); | |
739 | if (r == -EOPNOTSUPP) | |
0017be9d | 740 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Unit '%s' does not support cleaning.", u->id); |
4d3bac56 | 741 | if (r == -EUNATCH) |
1b09b81c | 742 | return sd_bus_error_set(error, BUS_ERROR_NOTHING_TO_CLEAN, "No matching resources found."); |
4d3bac56 | 743 | if (r == -EBUSY) |
1b09b81c | 744 | return sd_bus_error_set(error, BUS_ERROR_UNIT_BUSY, "Unit is not inactive or has pending job."); |
4d3bac56 LP |
745 | if (r < 0) |
746 | return r; | |
747 | ||
748 | return sd_bus_reply_method_return(message, NULL); | |
749 | } | |
750 | ||
d9e45bc3 MS |
751 | static int bus_unit_method_freezer_generic(sd_bus_message *message, void *userdata, sd_bus_error *error, FreezerAction action) { |
752 | const char* perm; | |
753 | int (*method)(Unit*); | |
99534007 | 754 | Unit *u = ASSERT_PTR(userdata); |
d9e45bc3 MS |
755 | bool reply_no_delay = false; |
756 | int r; | |
757 | ||
758 | assert(message); | |
d9e45bc3 MS |
759 | assert(IN_SET(action, FREEZER_FREEZE, FREEZER_THAW)); |
760 | ||
761 | if (action == FREEZER_FREEZE) { | |
762 | perm = "stop"; | |
763 | method = unit_freeze; | |
764 | } else { | |
765 | perm = "start"; | |
766 | method = unit_thaw; | |
767 | } | |
768 | ||
769 | r = mac_selinux_unit_access_check(u, message, perm, error); | |
770 | if (r < 0) | |
771 | return r; | |
772 | ||
773 | r = bus_verify_manage_units_async_full( | |
774 | u, | |
775 | perm, | |
776 | CAP_SYS_ADMIN, | |
777 | N_("Authentication is required to freeze or thaw the processes of '$(unit)' unit."), | |
778 | true, | |
779 | message, | |
780 | error); | |
781 | if (r < 0) | |
782 | return r; | |
783 | if (r == 0) | |
784 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
785 | ||
786 | r = method(u); | |
787 | if (r == -EOPNOTSUPP) | |
788 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Unit '%s' does not support freezing.", u->id); | |
789 | if (r == -EBUSY) | |
1b09b81c | 790 | return sd_bus_error_set(error, BUS_ERROR_UNIT_BUSY, "Unit has a pending job."); |
d9e45bc3 | 791 | if (r == -EHOSTDOWN) |
1b09b81c | 792 | return sd_bus_error_set(error, BUS_ERROR_UNIT_INACTIVE, "Unit is inactive."); |
d9e45bc3 MS |
793 | if (r == -EALREADY) |
794 | return sd_bus_error_setf(error, SD_BUS_ERROR_FAILED, "Previously requested freezer operation for unit '%s' is still in progress.", u->id); | |
795 | if (r < 0) | |
796 | return r; | |
797 | if (r == 0) | |
798 | reply_no_delay = true; | |
799 | ||
af1e3365 | 800 | if (u->pending_freezer_invocation) { |
3d19e122 | 801 | bus_unit_send_pending_freezer_message(u, true); |
af1e3365 | 802 | assert(!u->pending_freezer_invocation); |
3d19e122 | 803 | } |
d9e45bc3 | 804 | |
af1e3365 | 805 | u->pending_freezer_invocation = sd_bus_message_ref(message); |
d9e45bc3 MS |
806 | |
807 | if (reply_no_delay) { | |
3d19e122 | 808 | r = bus_unit_send_pending_freezer_message(u, false); |
d9e45bc3 MS |
809 | if (r < 0) |
810 | return r; | |
811 | } | |
812 | ||
813 | return 1; | |
814 | } | |
815 | ||
816 | int bus_unit_method_thaw(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
817 | return bus_unit_method_freezer_generic(message, userdata, error, FREEZER_THAW); | |
818 | } | |
819 | ||
820 | int bus_unit_method_freeze(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
821 | return bus_unit_method_freezer_generic(message, userdata, error, FREEZER_FREEZE); | |
822 | } | |
823 | ||
bedea99d LP |
824 | static int property_get_refs( |
825 | sd_bus *bus, | |
826 | const char *path, | |
827 | const char *interface, | |
828 | const char *property, | |
829 | sd_bus_message *reply, | |
830 | void *userdata, | |
831 | sd_bus_error *error) { | |
832 | ||
833 | Unit *u = userdata; | |
bedea99d LP |
834 | int r; |
835 | ||
836 | assert(bus); | |
837 | assert(reply); | |
838 | ||
839 | r = sd_bus_message_open_container(reply, 'a', "s"); | |
840 | if (r < 0) | |
841 | return r; | |
842 | ||
95d1e21e ZJS |
843 | for (const char *i = sd_bus_track_first(u->bus_track); i; i = sd_bus_track_next(u->bus_track)) { |
844 | int c; | |
bedea99d LP |
845 | |
846 | c = sd_bus_track_count_name(u->bus_track, i); | |
847 | if (c < 0) | |
848 | return c; | |
849 | ||
850 | /* Add the item multiple times if the ref count for each is above 1 */ | |
95d1e21e | 851 | for (int k = 0; k < c; k++) { |
bedea99d LP |
852 | r = sd_bus_message_append(reply, "s", i); |
853 | if (r < 0) | |
854 | return r; | |
855 | } | |
856 | } | |
857 | ||
858 | return sd_bus_message_close_container(reply); | |
859 | } | |
860 | ||
718db961 LP |
861 | const sd_bus_vtable bus_unit_vtable[] = { |
862 | SD_BUS_VTABLE_START(0), | |
863 | ||
556089dc | 864 | SD_BUS_PROPERTY("Id", "s", NULL, offsetof(Unit, id), SD_BUS_VTABLE_PROPERTY_CONST), |
4562c355 | 865 | SD_BUS_PROPERTY("Names", "as", property_get_names, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
718db961 | 866 | SD_BUS_PROPERTY("Following", "s", property_get_following, 0, 0), |
15ed3c3a LP |
867 | SD_BUS_PROPERTY("Requires", "as", property_get_dependencies, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
868 | SD_BUS_PROPERTY("Requisite", "as", property_get_dependencies, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
869 | SD_BUS_PROPERTY("Wants", "as", property_get_dependencies, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
870 | SD_BUS_PROPERTY("BindsTo", "as", property_get_dependencies, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
871 | SD_BUS_PROPERTY("PartOf", "as", property_get_dependencies, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
adc1b76c | 872 | SD_BUS_PROPERTY("Upholds", "as", property_get_dependencies, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
15ed3c3a LP |
873 | SD_BUS_PROPERTY("RequiredBy", "as", property_get_dependencies, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
874 | SD_BUS_PROPERTY("RequisiteOf", "as", property_get_dependencies, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
875 | SD_BUS_PROPERTY("WantedBy", "as", property_get_dependencies, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
876 | SD_BUS_PROPERTY("BoundBy", "as", property_get_dependencies, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
adc1b76c | 877 | SD_BUS_PROPERTY("UpheldBy", "as", property_get_dependencies, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
15ed3c3a LP |
878 | SD_BUS_PROPERTY("ConsistsOf", "as", property_get_dependencies, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
879 | SD_BUS_PROPERTY("Conflicts", "as", property_get_dependencies, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
880 | SD_BUS_PROPERTY("ConflictedBy", "as", property_get_dependencies, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
881 | SD_BUS_PROPERTY("Before", "as", property_get_dependencies, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
882 | SD_BUS_PROPERTY("After", "as", property_get_dependencies, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
294446dc LP |
883 | SD_BUS_PROPERTY("OnSuccess", "as", property_get_dependencies, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
884 | SD_BUS_PROPERTY("OnSuccessOf", "as", property_get_dependencies, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
adc1b76c YW |
885 | SD_BUS_PROPERTY("OnFailure", "as", property_get_dependencies, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
886 | SD_BUS_PROPERTY("OnFailureOf", "as", property_get_dependencies, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
15ed3c3a LP |
887 | SD_BUS_PROPERTY("Triggers", "as", property_get_dependencies, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
888 | SD_BUS_PROPERTY("TriggeredBy", "as", property_get_dependencies, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
889 | SD_BUS_PROPERTY("PropagatesReloadTo", "as", property_get_dependencies, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
890 | SD_BUS_PROPERTY("ReloadPropagatedFrom", "as", property_get_dependencies, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
ffec78c0 LP |
891 | SD_BUS_PROPERTY("PropagatesStopTo", "as", property_get_dependencies, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
892 | SD_BUS_PROPERTY("StopPropagatedFrom", "as", property_get_dependencies, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
15ed3c3a | 893 | SD_BUS_PROPERTY("JoinsNamespaceOf", "as", property_get_dependencies, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
d219a2b0 | 894 | SD_BUS_PROPERTY("SliceOf", "as", property_get_dependencies, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
99c14018 | 895 | SD_BUS_PROPERTY("RequiresMountsFor", "as", property_get_requires_mounts_for, offsetof(Unit, requires_mounts_for), SD_BUS_VTABLE_PROPERTY_CONST), |
556089dc LP |
896 | SD_BUS_PROPERTY("Documentation", "as", NULL, offsetof(Unit, documentation), SD_BUS_VTABLE_PROPERTY_CONST), |
897 | SD_BUS_PROPERTY("Description", "s", property_get_description, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
23e9a7dd | 898 | SD_BUS_PROPERTY("AccessSELinuxContext", "s", NULL, offsetof(Unit, access_selinux_context), SD_BUS_VTABLE_PROPERTY_CONST), |
556089dc | 899 | SD_BUS_PROPERTY("LoadState", "s", property_get_load_state, offsetof(Unit, load_state), SD_BUS_VTABLE_PROPERTY_CONST), |
718db961 | 900 | SD_BUS_PROPERTY("ActiveState", "s", property_get_active_state, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
d9e45bc3 | 901 | SD_BUS_PROPERTY("FreezerState", "s", property_get_freezer_state, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
718db961 | 902 | SD_BUS_PROPERTY("SubState", "s", property_get_sub_state, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
556089dc LP |
903 | SD_BUS_PROPERTY("FragmentPath", "s", NULL, offsetof(Unit, fragment_path), SD_BUS_VTABLE_PROPERTY_CONST), |
904 | SD_BUS_PROPERTY("SourcePath", "s", NULL, offsetof(Unit, source_path), SD_BUS_VTABLE_PROPERTY_CONST), | |
905 | SD_BUS_PROPERTY("DropInPaths", "as", NULL, offsetof(Unit, dropin_paths), SD_BUS_VTABLE_PROPERTY_CONST), | |
718db961 | 906 | SD_BUS_PROPERTY("UnitFileState", "s", property_get_unit_file_state, 0, 0), |
d2dc52db | 907 | SD_BUS_PROPERTY("UnitFilePreset", "s", property_get_unit_file_preset, 0, 0), |
a483fb59 | 908 | BUS_PROPERTY_DUAL_TIMESTAMP("StateChangeTimestamp", offsetof(Unit, state_change_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
718db961 LP |
909 | BUS_PROPERTY_DUAL_TIMESTAMP("InactiveExitTimestamp", offsetof(Unit, inactive_exit_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
910 | BUS_PROPERTY_DUAL_TIMESTAMP("ActiveEnterTimestamp", offsetof(Unit, active_enter_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
911 | BUS_PROPERTY_DUAL_TIMESTAMP("ActiveExitTimestamp", offsetof(Unit, active_exit_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
912 | BUS_PROPERTY_DUAL_TIMESTAMP("InactiveEnterTimestamp", offsetof(Unit, inactive_enter_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
556089dc LP |
913 | SD_BUS_PROPERTY("CanStart", "b", property_get_can_start, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
914 | SD_BUS_PROPERTY("CanStop", "b", property_get_can_stop, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
915 | SD_BUS_PROPERTY("CanReload", "b", property_get_can_reload, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
916 | SD_BUS_PROPERTY("CanIsolate", "b", property_get_can_isolate, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
4d3bac56 | 917 | SD_BUS_PROPERTY("CanClean", "as", property_get_can_clean, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
d9e45bc3 | 918 | SD_BUS_PROPERTY("CanFreeze", "b", property_get_can_freeze, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
14f7edb0 | 919 | SD_BUS_PROPERTY("Job", "(uo)", property_get_job, offsetof(Unit, job), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
556089dc LP |
920 | SD_BUS_PROPERTY("StopWhenUnneeded", "b", bus_property_get_bool, offsetof(Unit, stop_when_unneeded), SD_BUS_VTABLE_PROPERTY_CONST), |
921 | SD_BUS_PROPERTY("RefuseManualStart", "b", bus_property_get_bool, offsetof(Unit, refuse_manual_start), SD_BUS_VTABLE_PROPERTY_CONST), | |
922 | SD_BUS_PROPERTY("RefuseManualStop", "b", bus_property_get_bool, offsetof(Unit, refuse_manual_stop), SD_BUS_VTABLE_PROPERTY_CONST), | |
923 | SD_BUS_PROPERTY("AllowIsolate", "b", bus_property_get_bool, offsetof(Unit, allow_isolate), SD_BUS_VTABLE_PROPERTY_CONST), | |
924 | SD_BUS_PROPERTY("DefaultDependencies", "b", bus_property_get_bool, offsetof(Unit, default_dependencies), SD_BUS_VTABLE_PROPERTY_CONST), | |
ecfcf024 VP |
925 | SD_BUS_PROPERTY("OnSuccesJobMode", "s", property_get_job_mode, offsetof(Unit, on_success_job_mode), SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN), /* deprecated */ |
926 | SD_BUS_PROPERTY("OnSuccessJobMode", "s", property_get_job_mode, offsetof(Unit, on_success_job_mode), SD_BUS_VTABLE_PROPERTY_CONST), | |
556089dc LP |
927 | SD_BUS_PROPERTY("OnFailureJobMode", "s", property_get_job_mode, offsetof(Unit, on_failure_job_mode), SD_BUS_VTABLE_PROPERTY_CONST), |
928 | SD_BUS_PROPERTY("IgnoreOnIsolate", "b", bus_property_get_bool, offsetof(Unit, ignore_on_isolate), SD_BUS_VTABLE_PROPERTY_CONST), | |
e30a3ba1 | 929 | SD_BUS_PROPERTY("NeedDaemonReload", "b", property_get_need_daemon_reload, 0, 0), |
ff68472a | 930 | SD_BUS_PROPERTY("Markers", "as", property_get_markers, offsetof(Unit, markers), 0), |
556089dc | 931 | SD_BUS_PROPERTY("JobTimeoutUSec", "t", bus_property_get_usec, offsetof(Unit, job_timeout), SD_BUS_VTABLE_PROPERTY_CONST), |
a2df3ea4 | 932 | SD_BUS_PROPERTY("JobRunningTimeoutUSec", "t", bus_property_get_usec, offsetof(Unit, job_running_timeout), SD_BUS_VTABLE_PROPERTY_CONST), |
c44a285c | 933 | SD_BUS_PROPERTY("JobTimeoutAction", "s", bus_property_get_emergency_action, offsetof(Unit, job_timeout_action), SD_BUS_VTABLE_PROPERTY_CONST), |
f189ab18 | 934 | SD_BUS_PROPERTY("JobTimeoutRebootArgument", "s", NULL, offsetof(Unit, job_timeout_reboot_arg), SD_BUS_VTABLE_PROPERTY_CONST), |
718db961 | 935 | SD_BUS_PROPERTY("ConditionResult", "b", bus_property_get_bool, offsetof(Unit, condition_result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
59fccdc5 | 936 | SD_BUS_PROPERTY("AssertResult", "b", bus_property_get_bool, offsetof(Unit, assert_result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
718db961 | 937 | BUS_PROPERTY_DUAL_TIMESTAMP("ConditionTimestamp", offsetof(Unit, condition_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
59fccdc5 | 938 | BUS_PROPERTY_DUAL_TIMESTAMP("AssertTimestamp", offsetof(Unit, assert_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
e18f8852 LP |
939 | SD_BUS_PROPERTY("Conditions", "a(sbbsi)", property_get_conditions, offsetof(Unit, conditions), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION), |
940 | SD_BUS_PROPERTY("Asserts", "a(sbbsi)", property_get_conditions, offsetof(Unit, asserts), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION), | |
fd1e3fd8 | 941 | SD_BUS_PROPERTY("LoadError", "(ss)", property_get_load_error, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
556089dc | 942 | SD_BUS_PROPERTY("Transient", "b", bus_property_get_bool, offsetof(Unit, transient), SD_BUS_VTABLE_PROPERTY_CONST), |
f5869324 | 943 | SD_BUS_PROPERTY("Perpetual", "b", bus_property_get_bool, offsetof(Unit, perpetual), SD_BUS_VTABLE_PROPERTY_CONST), |
7bf081a1 ZJS |
944 | SD_BUS_PROPERTY("StartLimitIntervalUSec", "t", bus_property_get_usec, offsetof(Unit, start_ratelimit.interval), SD_BUS_VTABLE_PROPERTY_CONST), |
945 | SD_BUS_PROPERTY("StartLimitBurst", "u", bus_property_get_unsigned, offsetof(Unit, start_ratelimit.burst), SD_BUS_VTABLE_PROPERTY_CONST), | |
c44a285c FL |
946 | SD_BUS_PROPERTY("StartLimitAction", "s", bus_property_get_emergency_action, offsetof(Unit, start_limit_action), SD_BUS_VTABLE_PROPERTY_CONST), |
947 | SD_BUS_PROPERTY("FailureAction", "s", bus_property_get_emergency_action, offsetof(Unit, failure_action), SD_BUS_VTABLE_PROPERTY_CONST), | |
7af67e9a | 948 | SD_BUS_PROPERTY("FailureActionExitStatus", "i", bus_property_get_int, offsetof(Unit, failure_action_exit_status), SD_BUS_VTABLE_PROPERTY_CONST), |
c44a285c | 949 | SD_BUS_PROPERTY("SuccessAction", "s", bus_property_get_emergency_action, offsetof(Unit, success_action), SD_BUS_VTABLE_PROPERTY_CONST), |
7af67e9a | 950 | SD_BUS_PROPERTY("SuccessActionExitStatus", "i", bus_property_get_int, offsetof(Unit, success_action_exit_status), SD_BUS_VTABLE_PROPERTY_CONST), |
6bf0f408 | 951 | SD_BUS_PROPERTY("RebootArgument", "s", NULL, offsetof(Unit, reboot_arg), SD_BUS_VTABLE_PROPERTY_CONST), |
af92c603 | 952 | SD_BUS_PROPERTY("InvocationID", "ay", bus_property_get_id128, offsetof(Unit, invocation_id), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
641e0d7a | 953 | SD_BUS_PROPERTY("CollectMode", "s", property_get_collect_mode, offsetof(Unit, collect_mode), SD_BUS_VTABLE_PROPERTY_CONST), |
bedea99d | 954 | SD_BUS_PROPERTY("Refs", "as", property_get_refs, 0, 0), |
48b92b37 | 955 | SD_BUS_PROPERTY("ActivationDetails", "a(ss)", bus_property_get_activation_details, offsetof(Unit, activation_details), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
718db961 | 956 | |
a008b6d7 | 957 | SD_BUS_METHOD_WITH_ARGS("Start", |
958 | SD_BUS_ARGS("s", mode), | |
959 | SD_BUS_RESULT("o", job), | |
960 | bus_unit_method_start, | |
961 | SD_BUS_VTABLE_UNPRIVILEGED), | |
962 | SD_BUS_METHOD_WITH_ARGS("Stop", | |
963 | SD_BUS_ARGS("s", mode), | |
964 | SD_BUS_RESULT("o", job), | |
965 | bus_unit_method_stop, | |
966 | SD_BUS_VTABLE_UNPRIVILEGED), | |
967 | SD_BUS_METHOD_WITH_ARGS("Reload", | |
968 | SD_BUS_ARGS("s", mode), | |
969 | SD_BUS_RESULT("o", job), | |
970 | bus_unit_method_reload, | |
971 | SD_BUS_VTABLE_UNPRIVILEGED), | |
972 | SD_BUS_METHOD_WITH_ARGS("Restart", | |
973 | SD_BUS_ARGS("s", mode), | |
974 | SD_BUS_RESULT("o", job), | |
975 | bus_unit_method_restart, | |
976 | SD_BUS_VTABLE_UNPRIVILEGED), | |
977 | SD_BUS_METHOD_WITH_ARGS("TryRestart", | |
978 | SD_BUS_ARGS("s", mode), | |
979 | SD_BUS_RESULT("o", job), | |
980 | bus_unit_method_try_restart, | |
981 | SD_BUS_VTABLE_UNPRIVILEGED), | |
982 | SD_BUS_METHOD_WITH_ARGS("ReloadOrRestart", | |
983 | SD_BUS_ARGS("s", mode), | |
984 | SD_BUS_RESULT("o", job), | |
985 | bus_unit_method_reload_or_restart, | |
986 | SD_BUS_VTABLE_UNPRIVILEGED), | |
987 | SD_BUS_METHOD_WITH_ARGS("ReloadOrTryRestart", | |
988 | SD_BUS_ARGS("s", mode), | |
989 | SD_BUS_RESULT("o", job), | |
990 | bus_unit_method_reload_or_try_restart, | |
991 | SD_BUS_VTABLE_UNPRIVILEGED), | |
992 | SD_BUS_METHOD_WITH_ARGS("EnqueueJob", | |
993 | SD_BUS_ARGS("s", job_type, "s", job_mode), | |
994 | SD_BUS_RESULT("u", job_id, "o", job_path, "s", unit_id, "o", unit_path, "s", job_type, "a(uosos)", affected_jobs), | |
995 | bus_unit_method_enqueue_job, | |
996 | SD_BUS_VTABLE_UNPRIVILEGED), | |
997 | SD_BUS_METHOD_WITH_ARGS("Kill", | |
998 | SD_BUS_ARGS("s", whom, "i", signal), | |
999 | SD_BUS_NO_RESULT, | |
1000 | bus_unit_method_kill, | |
1001 | SD_BUS_VTABLE_UNPRIVILEGED), | |
a721cd00 LP |
1002 | SD_BUS_METHOD_WITH_ARGS("QueueSignal", |
1003 | SD_BUS_ARGS("s", whom, "i", signal, "i", value), | |
1004 | SD_BUS_NO_RESULT, | |
1005 | bus_unit_method_kill, | |
1006 | SD_BUS_VTABLE_UNPRIVILEGED), | |
dad97f04 ZJS |
1007 | SD_BUS_METHOD("ResetFailed", |
1008 | NULL, | |
1009 | NULL, | |
1010 | bus_unit_method_reset_failed, | |
1011 | SD_BUS_VTABLE_UNPRIVILEGED), | |
a008b6d7 | 1012 | SD_BUS_METHOD_WITH_ARGS("SetProperties", |
1013 | SD_BUS_ARGS("b", runtime, "a(sv)", properties), | |
1014 | SD_BUS_NO_RESULT, | |
1015 | bus_unit_method_set_properties, | |
1016 | SD_BUS_VTABLE_UNPRIVILEGED), | |
dad97f04 ZJS |
1017 | SD_BUS_METHOD("Ref", |
1018 | NULL, | |
1019 | NULL, | |
1020 | bus_unit_method_ref, | |
1021 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1022 | SD_BUS_METHOD("Unref", | |
1023 | NULL, | |
1024 | NULL, | |
1025 | bus_unit_method_unref, | |
1026 | SD_BUS_VTABLE_UNPRIVILEGED), | |
a008b6d7 | 1027 | SD_BUS_METHOD_WITH_ARGS("Clean", |
1028 | SD_BUS_ARGS("as", mask), | |
1029 | SD_BUS_NO_RESULT, | |
1030 | bus_unit_method_clean, | |
1031 | SD_BUS_VTABLE_UNPRIVILEGED), | |
d9e45bc3 MS |
1032 | SD_BUS_METHOD("Freeze", |
1033 | NULL, | |
1034 | NULL, | |
1035 | bus_unit_method_freeze, | |
1036 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1037 | SD_BUS_METHOD("Thaw", | |
1038 | NULL, | |
1039 | NULL, | |
1040 | bus_unit_method_thaw, | |
1041 | SD_BUS_VTABLE_UNPRIVILEGED), | |
718db961 | 1042 | |
92c23c5a YW |
1043 | /* For dependency types we don't support anymore always return an empty array */ |
1044 | SD_BUS_PROPERTY("RequiresOverridable", "as", property_get_empty_strv, 0, SD_BUS_VTABLE_HIDDEN), | |
1045 | SD_BUS_PROPERTY("RequisiteOverridable", "as", property_get_empty_strv, 0, SD_BUS_VTABLE_HIDDEN), | |
1046 | SD_BUS_PROPERTY("RequiredByOverridable", "as", property_get_empty_strv, 0, SD_BUS_VTABLE_HIDDEN), | |
1047 | SD_BUS_PROPERTY("RequisiteOfOverridable", "as", property_get_empty_strv, 0, SD_BUS_VTABLE_HIDDEN), | |
1048 | /* Obsolete alias names */ | |
7bf081a1 ZJS |
1049 | SD_BUS_PROPERTY("StartLimitInterval", "t", bus_property_get_usec, offsetof(Unit, start_ratelimit.interval), SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN), |
1050 | SD_BUS_PROPERTY("StartLimitIntervalSec", "t", bus_property_get_usec, offsetof(Unit, start_ratelimit.interval), SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN), | |
dad97f04 | 1051 | |
718db961 LP |
1052 | SD_BUS_VTABLE_END |
1053 | }; | |
2cccbca4 | 1054 | |
718db961 LP |
1055 | static int property_get_slice( |
1056 | sd_bus *bus, | |
1057 | const char *path, | |
1058 | const char *interface, | |
1059 | const char *property, | |
1060 | sd_bus_message *reply, | |
ebcf1f97 LP |
1061 | void *userdata, |
1062 | sd_bus_error *error) { | |
2cccbca4 | 1063 | |
99534007 | 1064 | Unit *u = ASSERT_PTR(userdata); |
2cccbca4 | 1065 | |
718db961 LP |
1066 | assert(bus); |
1067 | assert(reply); | |
2cccbca4 | 1068 | |
718db961 LP |
1069 | return sd_bus_message_append(reply, "s", unit_slice_name(u)); |
1070 | } | |
2cccbca4 | 1071 | |
934277fe LP |
1072 | static int property_get_current_memory( |
1073 | sd_bus *bus, | |
1074 | const char *path, | |
1075 | const char *interface, | |
1076 | const char *property, | |
1077 | sd_bus_message *reply, | |
1078 | void *userdata, | |
1079 | sd_bus_error *error) { | |
1080 | ||
f5fbe71d | 1081 | uint64_t sz = UINT64_MAX; |
99534007 | 1082 | Unit *u = ASSERT_PTR(userdata); |
934277fe LP |
1083 | int r; |
1084 | ||
1085 | assert(bus); | |
1086 | assert(reply); | |
934277fe | 1087 | |
5ad096b3 LP |
1088 | r = unit_get_memory_current(u, &sz); |
1089 | if (r < 0 && r != -ENODATA) | |
f2341e0a | 1090 | log_unit_warning_errno(u, r, "Failed to get memory.usage_in_bytes attribute: %m"); |
934277fe | 1091 | |
5ad096b3 LP |
1092 | return sd_bus_message_append(reply, "t", sz); |
1093 | } | |
934277fe | 1094 | |
93ff34e4 LB |
1095 | static int property_get_available_memory( |
1096 | sd_bus *bus, | |
1097 | const char *path, | |
1098 | const char *interface, | |
1099 | const char *property, | |
1100 | sd_bus_message *reply, | |
1101 | void *userdata, | |
1102 | sd_bus_error *error) { | |
1103 | ||
1104 | uint64_t sz = UINT64_MAX; | |
99534007 | 1105 | Unit *u = ASSERT_PTR(userdata); |
93ff34e4 LB |
1106 | int r; |
1107 | ||
1108 | assert(bus); | |
1109 | assert(reply); | |
93ff34e4 LB |
1110 | |
1111 | r = unit_get_memory_available(u, &sz); | |
1112 | if (r < 0 && r != -ENODATA) | |
1113 | log_unit_warning_errno(u, r, "Failed to get total available memory from cgroup: %m"); | |
1114 | ||
1115 | return sd_bus_message_append(reply, "t", sz); | |
1116 | } | |
1117 | ||
03a7b521 LP |
1118 | static int property_get_current_tasks( |
1119 | sd_bus *bus, | |
1120 | const char *path, | |
1121 | const char *interface, | |
1122 | const char *property, | |
1123 | sd_bus_message *reply, | |
1124 | void *userdata, | |
1125 | sd_bus_error *error) { | |
1126 | ||
f5fbe71d | 1127 | uint64_t cn = UINT64_MAX; |
99534007 | 1128 | Unit *u = ASSERT_PTR(userdata); |
03a7b521 LP |
1129 | int r; |
1130 | ||
1131 | assert(bus); | |
1132 | assert(reply); | |
03a7b521 LP |
1133 | |
1134 | r = unit_get_tasks_current(u, &cn); | |
1135 | if (r < 0 && r != -ENODATA) | |
1136 | log_unit_warning_errno(u, r, "Failed to get pids.current attribute: %m"); | |
1137 | ||
1138 | return sd_bus_message_append(reply, "t", cn); | |
1139 | } | |
1140 | ||
5ad096b3 LP |
1141 | static int property_get_cpu_usage( |
1142 | sd_bus *bus, | |
1143 | const char *path, | |
1144 | const char *interface, | |
1145 | const char *property, | |
1146 | sd_bus_message *reply, | |
1147 | void *userdata, | |
1148 | sd_bus_error *error) { | |
934277fe | 1149 | |
f5fbe71d | 1150 | nsec_t ns = NSEC_INFINITY; |
99534007 | 1151 | Unit *u = ASSERT_PTR(userdata); |
5ad096b3 LP |
1152 | int r; |
1153 | ||
1154 | assert(bus); | |
1155 | assert(reply); | |
5ad096b3 LP |
1156 | |
1157 | r = unit_get_cpu_usage(u, &ns); | |
1158 | if (r < 0 && r != -ENODATA) | |
f2341e0a | 1159 | log_unit_warning_errno(u, r, "Failed to get cpuacct.usage attribute: %m"); |
5ad096b3 LP |
1160 | |
1161 | return sd_bus_message_append(reply, "t", ns); | |
934277fe LP |
1162 | } |
1163 | ||
047f5d63 PH |
1164 | static int property_get_cpuset_cpus( |
1165 | sd_bus *bus, | |
1166 | const char *path, | |
1167 | const char *interface, | |
1168 | const char *property, | |
1169 | sd_bus_message *reply, | |
1170 | void *userdata, | |
1171 | sd_bus_error *error) { | |
1172 | ||
99534007 | 1173 | Unit *u = ASSERT_PTR(userdata); |
047f5d63 PH |
1174 | _cleanup_(cpu_set_reset) CPUSet cpus = {}; |
1175 | _cleanup_free_ uint8_t *array = NULL; | |
1176 | size_t allocated; | |
1177 | ||
1178 | assert(bus); | |
1179 | assert(reply); | |
047f5d63 PH |
1180 | |
1181 | (void) unit_get_cpuset(u, &cpus, "cpuset.cpus.effective"); | |
1182 | (void) cpu_set_to_dbus(&cpus, &array, &allocated); | |
1183 | return sd_bus_message_append_array(reply, 'y', array, allocated); | |
1184 | } | |
1185 | ||
1186 | static int property_get_cpuset_mems( | |
1187 | sd_bus *bus, | |
1188 | const char *path, | |
1189 | const char *interface, | |
1190 | const char *property, | |
1191 | sd_bus_message *reply, | |
1192 | void *userdata, | |
1193 | sd_bus_error *error) { | |
1194 | ||
99534007 | 1195 | Unit *u = ASSERT_PTR(userdata); |
047f5d63 PH |
1196 | _cleanup_(cpu_set_reset) CPUSet mems = {}; |
1197 | _cleanup_free_ uint8_t *array = NULL; | |
1198 | size_t allocated; | |
1199 | ||
1200 | assert(bus); | |
1201 | assert(reply); | |
047f5d63 PH |
1202 | |
1203 | (void) unit_get_cpuset(u, &mems, "cpuset.mems.effective"); | |
1204 | (void) cpu_set_to_dbus(&mems, &array, &allocated); | |
1205 | return sd_bus_message_append_array(reply, 'y', array, allocated); | |
1206 | } | |
1207 | ||
98bac605 LP |
1208 | static int property_get_cgroup( |
1209 | sd_bus *bus, | |
1210 | const char *path, | |
1211 | const char *interface, | |
1212 | const char *property, | |
1213 | sd_bus_message *reply, | |
1214 | void *userdata, | |
1215 | sd_bus_error *error) { | |
1216 | ||
99534007 | 1217 | Unit *u = ASSERT_PTR(userdata); |
79a60375 | 1218 | const char *t = NULL; |
98bac605 LP |
1219 | |
1220 | assert(bus); | |
1221 | assert(reply); | |
98bac605 LP |
1222 | |
1223 | /* Three cases: a) u->cgroup_path is NULL, in which case the | |
1224 | * unit has no control group, which we report as the empty | |
1225 | * string. b) u->cgroup_path is the empty string, which | |
1226 | * indicates the root cgroup, which we report as "/". c) all | |
1227 | * other cases we report as-is. */ | |
1228 | ||
1229 | if (u->cgroup_path) | |
945403e6 | 1230 | t = empty_to_root(u->cgroup_path); |
98bac605 LP |
1231 | |
1232 | return sd_bus_message_append(reply, "s", t); | |
1233 | } | |
1234 | ||
291d565a LP |
1235 | static int append_process(sd_bus_message *reply, const char *p, pid_t pid, Set *pids) { |
1236 | _cleanup_free_ char *buf = NULL, *cmdline = NULL; | |
1237 | int r; | |
1238 | ||
1239 | assert(reply); | |
1240 | assert(pid > 0); | |
1241 | ||
1242 | r = set_put(pids, PID_TO_PTR(pid)); | |
4c701096 | 1243 | if (IN_SET(r, 0, -EEXIST)) |
291d565a LP |
1244 | return 0; |
1245 | if (r < 0) | |
1246 | return r; | |
1247 | ||
1248 | if (!p) { | |
1249 | r = cg_pid_get_path(SYSTEMD_CGROUP_CONTROLLER, pid, &buf); | |
1250 | if (r == -ESRCH) | |
1251 | return 0; | |
1252 | if (r < 0) | |
1253 | return r; | |
1254 | ||
1255 | p = buf; | |
1256 | } | |
1257 | ||
2f960b38 ZJS |
1258 | (void) get_process_cmdline(pid, SIZE_MAX, |
1259 | PROCESS_CMDLINE_COMM_FALLBACK | PROCESS_CMDLINE_QUOTE, | |
1260 | &cmdline); | |
291d565a LP |
1261 | |
1262 | return sd_bus_message_append(reply, | |
1263 | "(sus)", | |
1264 | p, | |
1265 | (uint32_t) pid, | |
1266 | cmdline); | |
1267 | } | |
1268 | ||
1269 | static int append_cgroup(sd_bus_message *reply, const char *p, Set *pids) { | |
1270 | _cleanup_closedir_ DIR *d = NULL; | |
1271 | _cleanup_fclose_ FILE *f = NULL; | |
1272 | int r; | |
1273 | ||
1274 | assert(reply); | |
1275 | assert(p); | |
1276 | ||
1277 | r = cg_enumerate_processes(SYSTEMD_CGROUP_CONTROLLER, p, &f); | |
24715314 | 1278 | if (r == -ENOENT) |
291d565a LP |
1279 | return 0; |
1280 | if (r < 0) | |
1281 | return r; | |
1282 | ||
1283 | for (;;) { | |
1284 | pid_t pid; | |
1285 | ||
1fb50408 | 1286 | /* libvirt / qemu uses threaded mode and cgroup.procs cannot be read at the lower levels. |
0e685823 | 1287 | * From https://docs.kernel.org/admin-guide/cgroup-v2.html#threads, |
1fb50408 YW |
1288 | * “cgroup.procs” in a threaded domain cgroup contains the PIDs of all processes in |
1289 | * the subtree and is not readable in the subtree proper. */ | |
291d565a | 1290 | r = cg_read_pid(f, &pid); |
1fb50408 YW |
1291 | if (IN_SET(r, 0, -EOPNOTSUPP)) |
1292 | break; | |
291d565a LP |
1293 | if (r < 0) |
1294 | return r; | |
291d565a LP |
1295 | |
1296 | if (is_kernel_thread(pid) > 0) | |
1297 | continue; | |
1298 | ||
1299 | r = append_process(reply, p, pid, pids); | |
1300 | if (r < 0) | |
1301 | return r; | |
1302 | } | |
1303 | ||
1304 | r = cg_enumerate_subgroups(SYSTEMD_CGROUP_CONTROLLER, p, &d); | |
1305 | if (r == -ENOENT) | |
1306 | return 0; | |
1307 | if (r < 0) | |
1308 | return r; | |
1309 | ||
1310 | for (;;) { | |
1311 | _cleanup_free_ char *g = NULL, *j = NULL; | |
1312 | ||
1313 | r = cg_read_subgroup(d, &g); | |
1314 | if (r < 0) | |
1315 | return r; | |
1316 | if (r == 0) | |
1317 | break; | |
1318 | ||
624e4fcf | 1319 | j = path_join(empty_to_root(p), g); |
291d565a LP |
1320 | if (!j) |
1321 | return -ENOMEM; | |
1322 | ||
1323 | r = append_cgroup(reply, j, pids); | |
1324 | if (r < 0) | |
1325 | return r; | |
1326 | } | |
1327 | ||
1328 | return 0; | |
1329 | } | |
1330 | ||
1331 | int bus_unit_method_get_processes(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
1332 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
af4fa99d | 1333 | _cleanup_set_free_ Set *pids = NULL; |
291d565a LP |
1334 | Unit *u = userdata; |
1335 | pid_t pid; | |
1336 | int r; | |
1337 | ||
1338 | assert(message); | |
1339 | ||
807fa5d9 LP |
1340 | r = mac_selinux_unit_access_check(u, message, "status", error); |
1341 | if (r < 0) | |
1342 | return r; | |
1343 | ||
291d565a LP |
1344 | pids = set_new(NULL); |
1345 | if (!pids) | |
1346 | return -ENOMEM; | |
1347 | ||
1348 | r = sd_bus_message_new_method_return(message, &reply); | |
1349 | if (r < 0) | |
1350 | return r; | |
1351 | ||
1352 | r = sd_bus_message_open_container(reply, 'a', "(sus)"); | |
1353 | if (r < 0) | |
1354 | return r; | |
1355 | ||
1356 | if (u->cgroup_path) { | |
1357 | r = append_cgroup(reply, u->cgroup_path, pids); | |
1358 | if (r < 0) | |
1359 | return r; | |
1360 | } | |
1361 | ||
1362 | /* The main and control pids might live outside of the cgroup, hence fetch them separately */ | |
1363 | pid = unit_main_pid(u); | |
1364 | if (pid > 0) { | |
1365 | r = append_process(reply, NULL, pid, pids); | |
1366 | if (r < 0) | |
1367 | return r; | |
1368 | } | |
1369 | ||
1370 | pid = unit_control_pid(u); | |
1371 | if (pid > 0) { | |
1372 | r = append_process(reply, NULL, pid, pids); | |
1373 | if (r < 0) | |
1374 | return r; | |
1375 | } | |
1376 | ||
1377 | r = sd_bus_message_close_container(reply); | |
1378 | if (r < 0) | |
1379 | return r; | |
1380 | ||
1381 | return sd_bus_send(NULL, reply, NULL); | |
1382 | } | |
1383 | ||
906c06f6 DM |
1384 | static int property_get_ip_counter( |
1385 | sd_bus *bus, | |
1386 | const char *path, | |
1387 | const char *interface, | |
1388 | const char *property, | |
1389 | sd_bus_message *reply, | |
1390 | void *userdata, | |
1391 | sd_bus_error *error) { | |
1392 | ||
83f18c91 LP |
1393 | static const char *const table[_CGROUP_IP_ACCOUNTING_METRIC_MAX] = { |
1394 | [CGROUP_IP_INGRESS_BYTES] = "IPIngressBytes", | |
1395 | [CGROUP_IP_EGRESS_BYTES] = "IPEgressBytes", | |
1396 | [CGROUP_IP_INGRESS_PACKETS] = "IPIngressPackets", | |
1397 | [CGROUP_IP_EGRESS_PACKETS] = "IPEgressPackets", | |
1398 | }; | |
1399 | ||
1400 | uint64_t value = UINT64_MAX; | |
99534007 | 1401 | Unit *u = ASSERT_PTR(userdata); |
83f18c91 | 1402 | ssize_t metric; |
906c06f6 DM |
1403 | |
1404 | assert(bus); | |
1405 | assert(reply); | |
1406 | assert(property); | |
906c06f6 | 1407 | |
83f18c91 | 1408 | assert_se((metric = string_table_lookup(table, ELEMENTSOF(table), property)) >= 0); |
906c06f6 DM |
1409 | (void) unit_get_ip_accounting(u, metric, &value); |
1410 | return sd_bus_message_append(reply, "t", value); | |
1411 | } | |
1412 | ||
fbe14fc9 LP |
1413 | static int property_get_io_counter( |
1414 | sd_bus *bus, | |
1415 | const char *path, | |
1416 | const char *interface, | |
1417 | const char *property, | |
1418 | sd_bus_message *reply, | |
1419 | void *userdata, | |
1420 | sd_bus_error *error) { | |
1421 | ||
1422 | static const char *const table[_CGROUP_IO_ACCOUNTING_METRIC_MAX] = { | |
1423 | [CGROUP_IO_READ_BYTES] = "IOReadBytes", | |
1424 | [CGROUP_IO_WRITE_BYTES] = "IOWriteBytes", | |
1425 | [CGROUP_IO_READ_OPERATIONS] = "IOReadOperations", | |
1426 | [CGROUP_IO_WRITE_OPERATIONS] = "IOWriteOperations", | |
1427 | }; | |
1428 | ||
1429 | uint64_t value = UINT64_MAX; | |
99534007 | 1430 | Unit *u = ASSERT_PTR(userdata); |
fbe14fc9 LP |
1431 | ssize_t metric; |
1432 | ||
1433 | assert(bus); | |
1434 | assert(reply); | |
1435 | assert(property); | |
fbe14fc9 LP |
1436 | |
1437 | assert_se((metric = string_table_lookup(table, ELEMENTSOF(table), property)) >= 0); | |
1438 | (void) unit_get_io_accounting(u, metric, false, &value); | |
1439 | return sd_bus_message_append(reply, "t", value); | |
1440 | } | |
1441 | ||
6592b975 LP |
1442 | int bus_unit_method_attach_processes(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1443 | ||
1444 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; | |
af4fa99d | 1445 | _cleanup_set_free_ Set *pids = NULL; |
6592b975 LP |
1446 | Unit *u = userdata; |
1447 | const char *path; | |
1448 | int r; | |
1449 | ||
1450 | assert(message); | |
1451 | ||
1452 | /* This migrates the processes with the specified PIDs into the cgroup of this unit, optionally below a | |
1453 | * specified cgroup path. Obviously this only works for units that actually maintain a cgroup | |
1454 | * representation. If a process is already in the cgroup no operation is executed – in this case the specified | |
1455 | * subcgroup path has no effect! */ | |
1456 | ||
1457 | r = mac_selinux_unit_access_check(u, message, "start", error); | |
1458 | if (r < 0) | |
1459 | return r; | |
1460 | ||
1461 | r = sd_bus_message_read(message, "s", &path); | |
1462 | if (r < 0) | |
1463 | return r; | |
1464 | ||
1465 | path = empty_to_null(path); | |
1466 | if (path) { | |
1467 | if (!path_is_absolute(path)) | |
1468 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Control group path is not absolute: %s", path); | |
1469 | ||
1470 | if (!path_is_normalized(path)) | |
1471 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Control group path is not normalized: %s", path); | |
1472 | } | |
1473 | ||
1474 | if (!unit_cgroup_delegate(u)) | |
1b09b81c | 1475 | return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Process migration not available on non-delegated units."); |
6592b975 LP |
1476 | |
1477 | if (UNIT_IS_INACTIVE_OR_FAILED(unit_active_state(u))) | |
1b09b81c | 1478 | return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Unit is not active, refusing."); |
6592b975 LP |
1479 | |
1480 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID|SD_BUS_CREDS_PID, &creds); | |
1481 | if (r < 0) | |
1482 | return r; | |
1483 | ||
1484 | r = sd_bus_message_enter_container(message, 'a', "u"); | |
1485 | if (r < 0) | |
1486 | return r; | |
1487 | for (;;) { | |
1488 | uid_t process_uid, sender_uid; | |
1489 | uint32_t upid; | |
1490 | pid_t pid; | |
1491 | ||
1492 | r = sd_bus_message_read(message, "u", &upid); | |
1493 | if (r < 0) | |
1494 | return r; | |
1495 | if (r == 0) | |
1496 | break; | |
1497 | ||
1498 | if (upid == 0) { | |
1499 | r = sd_bus_creds_get_pid(creds, &pid); | |
1500 | if (r < 0) | |
1501 | return r; | |
1502 | } else | |
1503 | pid = (uid_t) upid; | |
1504 | ||
1505 | /* Filter out duplicates */ | |
1506 | if (set_contains(pids, PID_TO_PTR(pid))) | |
1507 | continue; | |
1508 | ||
1509 | /* Check if this process is suitable for attaching to this unit */ | |
1510 | r = unit_pid_attachable(u, pid, error); | |
1511 | if (r < 0) | |
1512 | return r; | |
1513 | ||
1514 | /* Let's query the sender's UID, so that we can make our security decisions */ | |
1515 | r = sd_bus_creds_get_euid(creds, &sender_uid); | |
1516 | if (r < 0) | |
1517 | return r; | |
1518 | ||
874b5ad2 | 1519 | /* Let's validate security: if the sender is root, then all is OK. If the sender is any other unit, |
6592b975 LP |
1520 | * then the process' UID and the target unit's UID have to match the sender's UID */ |
1521 | if (sender_uid != 0 && sender_uid != getuid()) { | |
1522 | r = get_process_uid(pid, &process_uid); | |
1523 | if (r < 0) | |
1524 | return sd_bus_error_set_errnof(error, r, "Failed to retrieve process UID: %m"); | |
1525 | ||
1526 | if (process_uid != sender_uid) | |
1527 | return sd_bus_error_setf(error, SD_BUS_ERROR_ACCESS_DENIED, "Process " PID_FMT " not owned by client's UID. Refusing.", pid); | |
1528 | if (process_uid != u->ref_uid) | |
1529 | return sd_bus_error_setf(error, SD_BUS_ERROR_ACCESS_DENIED, "Process " PID_FMT " not owned by target unit's UID. Refusing.", pid); | |
1530 | } | |
1531 | ||
1532 | if (!pids) { | |
1533 | pids = set_new(NULL); | |
1534 | if (!pids) | |
1535 | return -ENOMEM; | |
1536 | } | |
1537 | ||
1538 | r = set_put(pids, PID_TO_PTR(pid)); | |
1539 | if (r < 0) | |
1540 | return r; | |
1541 | } | |
1542 | ||
1543 | r = sd_bus_message_exit_container(message); | |
1544 | if (r < 0) | |
1545 | return r; | |
1546 | ||
1547 | r = unit_attach_pids_to_cgroup(u, pids, path); | |
1548 | if (r < 0) | |
1549 | return sd_bus_error_set_errnof(error, r, "Failed to attach processes to control group: %m"); | |
1550 | ||
1551 | return sd_bus_reply_method_return(message, NULL); | |
1552 | } | |
1553 | ||
718db961 LP |
1554 | const sd_bus_vtable bus_unit_cgroup_vtable[] = { |
1555 | SD_BUS_VTABLE_START(0), | |
1556 | SD_BUS_PROPERTY("Slice", "s", property_get_slice, 0, 0), | |
98bac605 | 1557 | SD_BUS_PROPERTY("ControlGroup", "s", property_get_cgroup, 0, 0), |
5483fca0 | 1558 | SD_BUS_PROPERTY("ControlGroupId", "t", NULL, offsetof(Unit, cgroup_id), 0), |
934277fe | 1559 | SD_BUS_PROPERTY("MemoryCurrent", "t", property_get_current_memory, 0, 0), |
93ff34e4 | 1560 | SD_BUS_PROPERTY("MemoryAvailable", "t", property_get_available_memory, 0, 0), |
5ad096b3 | 1561 | SD_BUS_PROPERTY("CPUUsageNSec", "t", property_get_cpu_usage, 0, 0), |
047f5d63 PH |
1562 | SD_BUS_PROPERTY("EffectiveCPUs", "ay", property_get_cpuset_cpus, 0, 0), |
1563 | SD_BUS_PROPERTY("EffectiveMemoryNodes", "ay", property_get_cpuset_mems, 0, 0), | |
03a7b521 | 1564 | SD_BUS_PROPERTY("TasksCurrent", "t", property_get_current_tasks, 0, 0), |
906c06f6 DM |
1565 | SD_BUS_PROPERTY("IPIngressBytes", "t", property_get_ip_counter, 0, 0), |
1566 | SD_BUS_PROPERTY("IPIngressPackets", "t", property_get_ip_counter, 0, 0), | |
1567 | SD_BUS_PROPERTY("IPEgressBytes", "t", property_get_ip_counter, 0, 0), | |
1568 | SD_BUS_PROPERTY("IPEgressPackets", "t", property_get_ip_counter, 0, 0), | |
fbe14fc9 LP |
1569 | SD_BUS_PROPERTY("IOReadBytes", "t", property_get_io_counter, 0, 0), |
1570 | SD_BUS_PROPERTY("IOReadOperations", "t", property_get_io_counter, 0, 0), | |
1571 | SD_BUS_PROPERTY("IOWriteBytes", "t", property_get_io_counter, 0, 0), | |
1572 | SD_BUS_PROPERTY("IOWriteOperations", "t", property_get_io_counter, 0, 0), | |
dad97f04 | 1573 | |
a008b6d7 | 1574 | SD_BUS_METHOD_WITH_ARGS("GetProcesses", |
1575 | SD_BUS_NO_ARGS, | |
1576 | SD_BUS_ARGS("a(sus)", processes), | |
dad97f04 ZJS |
1577 | bus_unit_method_get_processes, |
1578 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1579 | ||
a008b6d7 | 1580 | SD_BUS_METHOD_WITH_ARGS("AttachProcesses", |
1581 | SD_BUS_ARGS("s", subcgroup, "au", pids), | |
1582 | SD_BUS_NO_RESULT, | |
dad97f04 ZJS |
1583 | bus_unit_method_attach_processes, |
1584 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1585 | ||
718db961 LP |
1586 | SD_BUS_VTABLE_END |
1587 | }; | |
2cccbca4 | 1588 | |
8f8f05a9 | 1589 | static int send_new_signal(sd_bus *bus, void *userdata) { |
4afd3348 | 1590 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; |
718db961 | 1591 | _cleanup_free_ char *p = NULL; |
99534007 | 1592 | Unit *u = ASSERT_PTR(userdata); |
718db961 | 1593 | int r; |
2cccbca4 | 1594 | |
718db961 | 1595 | assert(bus); |
2cccbca4 | 1596 | |
718db961 | 1597 | p = unit_dbus_path(u); |
e861098b | 1598 | if (!p) |
718db961 | 1599 | return -ENOMEM; |
2cccbca4 | 1600 | |
718db961 LP |
1601 | r = sd_bus_message_new_signal( |
1602 | bus, | |
151b9b96 | 1603 | &m, |
718db961 LP |
1604 | "/org/freedesktop/systemd1", |
1605 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 1606 | "UnitNew"); |
718db961 LP |
1607 | if (r < 0) |
1608 | return r; | |
2cccbca4 | 1609 | |
718db961 LP |
1610 | r = sd_bus_message_append(m, "so", u->id, p); |
1611 | if (r < 0) | |
1612 | return r; | |
2cccbca4 | 1613 | |
8f8f05a9 | 1614 | return sd_bus_send(bus, m, NULL); |
718db961 | 1615 | } |
2cccbca4 | 1616 | |
8f8f05a9 | 1617 | static int send_changed_signal(sd_bus *bus, void *userdata) { |
718db961 | 1618 | _cleanup_free_ char *p = NULL; |
99534007 | 1619 | Unit *u = ASSERT_PTR(userdata); |
718db961 | 1620 | int r; |
2cccbca4 | 1621 | |
718db961 | 1622 | assert(bus); |
2cccbca4 | 1623 | |
718db961 | 1624 | p = unit_dbus_path(u); |
9ceefc81 | 1625 | if (!p) |
718db961 | 1626 | return -ENOMEM; |
2cccbca4 | 1627 | |
718db961 LP |
1628 | /* Send a properties changed signal. First for the specific |
1629 | * type, then for the generic unit. The clients may rely on | |
1630 | * this order to get atomic behavior if needed. */ | |
ea430986 | 1631 | |
aec8de63 LP |
1632 | r = sd_bus_emit_properties_changed_strv( |
1633 | bus, p, | |
21b735e7 | 1634 | unit_dbus_interface_from_type(u->type), |
aec8de63 | 1635 | NULL); |
fe7f06f1 | 1636 | if (r < 0) |
aec8de63 | 1637 | return r; |
80fbf05e | 1638 | |
fe7f06f1 | 1639 | return sd_bus_emit_properties_changed_strv( |
718db961 LP |
1640 | bus, p, |
1641 | "org.freedesktop.systemd1.Unit", | |
718db961 | 1642 | NULL); |
ea430986 LP |
1643 | } |
1644 | ||
c1e1601e | 1645 | void bus_unit_send_change_signal(Unit *u) { |
b170dd80 | 1646 | int r; |
c1e1601e | 1647 | assert(u); |
c1e1601e | 1648 | |
ac155bb8 | 1649 | if (u->in_dbus_queue) { |
71fda00f | 1650 | LIST_REMOVE(dbus_queue, u->manager->dbus_unit_queue, u); |
ac155bb8 | 1651 | u->in_dbus_queue = false; |
c0bd0cf7 | 1652 | } |
c1e1601e | 1653 | |
ac155bb8 | 1654 | if (!u->id) |
04ade7d2 LP |
1655 | return; |
1656 | ||
ae572acd | 1657 | r = bus_foreach_bus(u->manager, u->bus_track, u->sent_dbus_new_signal ? send_changed_signal : send_new_signal, u); |
718db961 | 1658 | if (r < 0) |
f2341e0a | 1659 | log_unit_debug_errno(u, r, "Failed to send unit change signal for %s: %m", u->id); |
c1e1601e | 1660 | |
718db961 LP |
1661 | u->sent_dbus_new_signal = true; |
1662 | } | |
c4e2ceae | 1663 | |
6fcbec6f LP |
1664 | void bus_unit_send_pending_change_signal(Unit *u, bool including_new) { |
1665 | ||
1666 | /* Sends out any pending change signals, but only if they really are pending. This call is used when we are | |
1667 | * about to change state in order to force out a PropertiesChanged signal beforehand if there was one pending | |
1668 | * so that clients can follow the full state transition */ | |
1669 | ||
1670 | if (!u->in_dbus_queue) /* If not enqueued, don't bother */ | |
1671 | return; | |
1672 | ||
1673 | if (!u->sent_dbus_new_signal && !including_new) /* If the unit was never announced, don't bother, it's fine if | |
1674 | * the unit appears in the new state right-away (except if the | |
1675 | * caller explicitly asked us to send it anyway) */ | |
1676 | return; | |
1677 | ||
1678 | if (MANAGER_IS_RELOADING(u->manager)) /* Don't generate unnecessary PropertiesChanged signals for the same unit | |
1679 | * when we are reloading. */ | |
1680 | return; | |
1681 | ||
1682 | bus_unit_send_change_signal(u); | |
1683 | } | |
1684 | ||
3d19e122 | 1685 | int bus_unit_send_pending_freezer_message(Unit *u, bool cancelled) { |
1686 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
d9e45bc3 MS |
1687 | int r; |
1688 | ||
1689 | assert(u); | |
1690 | ||
af1e3365 | 1691 | if (!u->pending_freezer_invocation) |
d9e45bc3 MS |
1692 | return 0; |
1693 | ||
3d19e122 | 1694 | if (cancelled) |
1695 | r = sd_bus_message_new_method_error( | |
af1e3365 | 1696 | u->pending_freezer_invocation, |
3d19e122 | 1697 | &reply, |
1698 | &SD_BUS_ERROR_MAKE_CONST( | |
1699 | BUS_ERROR_FREEZE_CANCELLED, "Freeze operation aborted")); | |
1700 | else | |
af1e3365 | 1701 | r = sd_bus_message_new_method_return(u->pending_freezer_invocation, &reply); |
3d19e122 | 1702 | if (r < 0) |
1703 | return r; | |
1704 | ||
1705 | r = sd_bus_send(NULL, reply, NULL); | |
d9e45bc3 MS |
1706 | if (r < 0) |
1707 | log_warning_errno(r, "Failed to send queued message, ignoring: %m"); | |
1708 | ||
af1e3365 | 1709 | u->pending_freezer_invocation = sd_bus_message_unref(u->pending_freezer_invocation); |
d9e45bc3 MS |
1710 | |
1711 | return 0; | |
1712 | } | |
1713 | ||
8f8f05a9 | 1714 | static int send_removed_signal(sd_bus *bus, void *userdata) { |
4afd3348 | 1715 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; |
718db961 | 1716 | _cleanup_free_ char *p = NULL; |
99534007 | 1717 | Unit *u = ASSERT_PTR(userdata); |
718db961 | 1718 | int r; |
c4e2ceae | 1719 | |
718db961 | 1720 | assert(bus); |
c1e1601e | 1721 | |
718db961 | 1722 | p = unit_dbus_path(u); |
e861098b | 1723 | if (!p) |
718db961 | 1724 | return -ENOMEM; |
c1e1601e | 1725 | |
718db961 LP |
1726 | r = sd_bus_message_new_signal( |
1727 | bus, | |
151b9b96 | 1728 | &m, |
718db961 LP |
1729 | "/org/freedesktop/systemd1", |
1730 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 1731 | "UnitRemoved"); |
718db961 LP |
1732 | if (r < 0) |
1733 | return r; | |
c1e1601e | 1734 | |
718db961 LP |
1735 | r = sd_bus_message_append(m, "so", u->id, p); |
1736 | if (r < 0) | |
1737 | return r; | |
c1e1601e | 1738 | |
8f8f05a9 | 1739 | return sd_bus_send(bus, m, NULL); |
c1e1601e LP |
1740 | } |
1741 | ||
1742 | void bus_unit_send_removed_signal(Unit *u) { | |
718db961 | 1743 | int r; |
c1e1601e LP |
1744 | assert(u); |
1745 | ||
0dd99f86 | 1746 | if (!u->sent_dbus_new_signal || u->in_dbus_queue) |
7535cc78 LP |
1747 | bus_unit_send_change_signal(u); |
1748 | ||
ac155bb8 | 1749 | if (!u->id) |
04ade7d2 LP |
1750 | return; |
1751 | ||
ae572acd | 1752 | r = bus_foreach_bus(u->manager, u->bus_track, send_removed_signal, u); |
718db961 | 1753 | if (r < 0) |
f2341e0a | 1754 | log_unit_debug_errno(u, r, "Failed to send unit remove signal for %s: %m", u->id); |
c1e1601e | 1755 | } |
e2110e5d | 1756 | |
70666e28 | 1757 | int bus_unit_queue_job_one( |
718db961 | 1758 | sd_bus_message *message, |
cad45ba1 LP |
1759 | Unit *u, |
1760 | JobType type, | |
1761 | JobMode mode, | |
50cbaba4 | 1762 | BusUnitQueueFlags flags, |
70666e28 | 1763 | sd_bus_message *reply, |
ebcf1f97 | 1764 | sd_bus_error *error) { |
cad45ba1 | 1765 | |
e57ac1b0 | 1766 | _cleanup_set_free_ Set *affected = NULL; |
70666e28 | 1767 | _cleanup_free_ char *job_path = NULL, *unit_path = NULL; |
50cbaba4 | 1768 | Job *j, *a; |
cad45ba1 LP |
1769 | int r; |
1770 | ||
50cbaba4 LP |
1771 | if (FLAGS_SET(flags, BUS_UNIT_QUEUE_VERBOSE_REPLY)) { |
1772 | affected = set_new(NULL); | |
1773 | if (!affected) | |
1774 | return -ENOMEM; | |
1775 | } | |
1776 | ||
1777 | r = manager_add_job(u->manager, type, u, mode, affected, error, &j); | |
cad45ba1 | 1778 | if (r < 0) |
ebcf1f97 | 1779 | return r; |
cad45ba1 | 1780 | |
c5a97ed1 LP |
1781 | r = bus_job_track_sender(j, message); |
1782 | if (r < 0) | |
1783 | return r; | |
cad45ba1 | 1784 | |
13142276 LP |
1785 | /* Before we send the method reply, force out the announcement JobNew for this job */ |
1786 | bus_job_send_pending_change_signal(j, true); | |
1787 | ||
50cbaba4 LP |
1788 | job_path = job_dbus_path(j); |
1789 | if (!job_path) | |
1790 | return -ENOMEM; | |
1791 | ||
1792 | /* The classic response is just a job object path */ | |
1793 | if (!FLAGS_SET(flags, BUS_UNIT_QUEUE_VERBOSE_REPLY)) | |
70666e28 | 1794 | return sd_bus_message_append(reply, "o", job_path); |
50cbaba4 LP |
1795 | |
1796 | /* In verbose mode respond with the anchor job plus everything that has been affected */ | |
50cbaba4 LP |
1797 | |
1798 | unit_path = unit_dbus_path(j->unit); | |
1799 | if (!unit_path) | |
1800 | return -ENOMEM; | |
1801 | ||
1802 | r = sd_bus_message_append(reply, "uosos", | |
1803 | j->id, job_path, | |
1804 | j->unit->id, unit_path, | |
1805 | job_type_to_string(j->type)); | |
1806 | if (r < 0) | |
1807 | return r; | |
1808 | ||
1809 | r = sd_bus_message_open_container(reply, 'a', "(uosos)"); | |
1810 | if (r < 0) | |
1811 | return r; | |
1812 | ||
90e74a66 | 1813 | SET_FOREACH(a, affected) { |
50cbaba4 LP |
1814 | if (a->id == j->id) |
1815 | continue; | |
1816 | ||
1817 | /* Free paths from previous iteration */ | |
1818 | job_path = mfree(job_path); | |
1819 | unit_path = mfree(unit_path); | |
1820 | ||
1821 | job_path = job_dbus_path(a); | |
1822 | if (!job_path) | |
1823 | return -ENOMEM; | |
1824 | ||
1825 | unit_path = unit_dbus_path(a->unit); | |
1826 | if (!unit_path) | |
1827 | return -ENOMEM; | |
1828 | ||
1829 | r = sd_bus_message_append(reply, "(uosos)", | |
1830 | a->id, job_path, | |
1831 | a->unit->id, unit_path, | |
1832 | job_type_to_string(a->type)); | |
1833 | if (r < 0) | |
1834 | return r; | |
1835 | } | |
1836 | ||
70666e28 ZJS |
1837 | return sd_bus_message_close_container(reply); |
1838 | } | |
1839 | ||
1840 | int bus_unit_queue_job( | |
1841 | sd_bus_message *message, | |
1842 | Unit *u, | |
1843 | JobType type, | |
1844 | JobMode mode, | |
1845 | BusUnitQueueFlags flags, | |
1846 | sd_bus_error *error) { | |
1847 | ||
1848 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
1849 | int r; | |
1850 | ||
1851 | assert(message); | |
1852 | assert(u); | |
1853 | assert(type >= 0 && type < _JOB_TYPE_MAX); | |
1854 | assert(mode >= 0 && mode < _JOB_MODE_MAX); | |
1855 | ||
1856 | r = mac_selinux_unit_access_check( | |
1857 | u, message, | |
1858 | job_type_to_access_method(type), | |
1859 | error); | |
1860 | if (r < 0) | |
1861 | return r; | |
1862 | ||
1863 | if (FLAGS_SET(flags, BUS_UNIT_QUEUE_RELOAD_IF_POSSIBLE) && unit_can_reload(u)) { | |
1864 | if (type == JOB_RESTART) | |
1865 | type = JOB_RELOAD_OR_START; | |
1866 | else if (type == JOB_TRY_RESTART) | |
1867 | type = JOB_TRY_RELOAD; | |
1868 | } | |
1869 | ||
1870 | if (type == JOB_STOP && | |
1871 | IN_SET(u->load_state, UNIT_NOT_FOUND, UNIT_ERROR, UNIT_BAD_SETTING) && | |
1872 | unit_active_state(u) == UNIT_INACTIVE) | |
1873 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s not loaded.", u->id); | |
1874 | ||
1875 | if ((type == JOB_START && u->refuse_manual_start) || | |
1876 | (type == JOB_STOP && u->refuse_manual_stop) || | |
1877 | (IN_SET(type, JOB_RESTART, JOB_TRY_RESTART) && (u->refuse_manual_start || u->refuse_manual_stop)) || | |
1878 | (type == JOB_RELOAD_OR_START && job_type_collapse(type, u) == JOB_START && u->refuse_manual_start)) | |
1879 | return sd_bus_error_setf(error, BUS_ERROR_ONLY_BY_DEPENDENCY, "Operation refused, unit %s may be requested by dependency only (it is configured to refuse manual start/stop).", u->id); | |
1880 | ||
1881 | r = sd_bus_message_new_method_return(message, &reply); | |
1882 | if (r < 0) | |
1883 | return r; | |
1884 | ||
1885 | r = bus_unit_queue_job_one(message, u, type, mode, flags, reply, error); | |
50cbaba4 LP |
1886 | if (r < 0) |
1887 | return r; | |
1888 | ||
1889 | return sd_bus_send(NULL, reply, NULL); | |
cad45ba1 LP |
1890 | } |
1891 | ||
721060d4 | 1892 | static int bus_unit_set_live_property( |
9f2e86af LP |
1893 | Unit *u, |
1894 | const char *name, | |
718db961 | 1895 | sd_bus_message *message, |
2e59b241 | 1896 | UnitWriteFlags flags, |
718db961 | 1897 | sd_bus_error *error) { |
9f2e86af LP |
1898 | |
1899 | int r; | |
1900 | ||
1901 | assert(u); | |
1902 | assert(name); | |
718db961 | 1903 | assert(message); |
9f2e86af | 1904 | |
cb31470f ZJS |
1905 | /* Handles setting properties both "live" (i.e. at any time during runtime), and during creation (for |
1906 | * transient units that are being created). */ | |
721060d4 | 1907 | |
9f2e86af | 1908 | if (streq(name, "Description")) { |
718db961 | 1909 | const char *d; |
9f2e86af | 1910 | |
718db961 LP |
1911 | r = sd_bus_message_read(message, "s", &d); |
1912 | if (r < 0) | |
1913 | return r; | |
8aec412f | 1914 | |
2e59b241 | 1915 | if (!UNIT_WRITE_FLAGS_NOOP(flags)) { |
718db961 | 1916 | r = unit_set_description(u, d); |
8aec412f LP |
1917 | if (r < 0) |
1918 | return r; | |
b9316fb0 | 1919 | |
2e59b241 | 1920 | unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "Description=%s", d); |
8aec412f | 1921 | } |
9f2e86af LP |
1922 | |
1923 | return 1; | |
721060d4 LP |
1924 | } |
1925 | ||
0dd3c090 ZJS |
1926 | /* A setting that only applies to active units. We don't actually write this to /run, this state is |
1927 | * managed internally. "+foo" sets flag foo, "-foo" unsets flag foo, just "foo" resets flags to | |
1928 | * foo. The last type cannot be mixed with "+" or "-". */ | |
1929 | ||
1930 | if (streq(name, "Markers")) { | |
1931 | unsigned settings = 0, mask = 0; | |
1932 | bool some_plus_minus = false, some_absolute = false; | |
1933 | ||
1934 | r = sd_bus_message_enter_container(message, 'a', "s"); | |
1935 | if (r < 0) | |
1936 | return r; | |
1937 | ||
1938 | for (;;) { | |
1939 | const char *word; | |
1940 | bool b; | |
1941 | ||
1942 | r = sd_bus_message_read(message, "s", &word); | |
1943 | if (r < 0) | |
1944 | return r; | |
1945 | if (r == 0) | |
1946 | break; | |
1947 | ||
1948 | if (IN_SET(word[0], '+', '-')) { | |
1949 | b = word[0] == '+'; | |
1950 | word++; | |
1951 | some_plus_minus = true; | |
1952 | } else { | |
1953 | b = true; | |
1954 | some_absolute = true; | |
1955 | } | |
1956 | ||
1957 | UnitMarker m = unit_marker_from_string(word); | |
1958 | if (m < 0) | |
1959 | return sd_bus_error_setf(error, BUS_ERROR_BAD_UNIT_SETTING, | |
1960 | "Unknown marker \"%s\".", word); | |
1961 | ||
1962 | SET_FLAG(settings, 1u << m, b); | |
1963 | SET_FLAG(mask, 1u << m, true); | |
1964 | } | |
1965 | ||
1966 | r = sd_bus_message_exit_container(message); | |
1967 | if (r < 0) | |
1968 | return r; | |
1969 | ||
1970 | if (some_plus_minus && some_absolute) | |
1b09b81c | 1971 | return sd_bus_error_set(error, BUS_ERROR_BAD_UNIT_SETTING, "Bad marker syntax."); |
0dd3c090 ZJS |
1972 | |
1973 | if (!UNIT_WRITE_FLAGS_NOOP(flags)) { | |
1974 | if (some_absolute) | |
1975 | u->markers = settings; | |
1976 | else | |
1977 | u->markers = settings | (u->markers & ~mask); | |
1978 | } | |
1979 | ||
1980 | return 1; | |
1981 | } | |
1982 | ||
721060d4 LP |
1983 | return 0; |
1984 | } | |
1985 | ||
54fcb619 ZJS |
1986 | static int bus_set_transient_emergency_action( |
1987 | Unit *u, | |
1988 | const char *name, | |
1989 | EmergencyAction *p, | |
1990 | sd_bus_message *message, | |
1991 | UnitWriteFlags flags, | |
1992 | sd_bus_error *error) { | |
1993 | ||
1994 | const char *s; | |
1995 | EmergencyAction v; | |
1996 | int r; | |
54fcb619 ZJS |
1997 | |
1998 | assert(p); | |
1999 | ||
2000 | r = sd_bus_message_read(message, "s", &s); | |
2001 | if (r < 0) | |
2002 | return r; | |
2003 | ||
4870133b | 2004 | r = parse_emergency_action(s, u->manager->runtime_scope, &v); |
db2df550 | 2005 | if (r < 0) |
54fcb619 | 2006 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
119f0f28 | 2007 | r == -EOPNOTSUPP ? "%s setting invalid for manager type: %s" |
54fcb619 ZJS |
2008 | : "Invalid %s setting: %s", |
2009 | name, s); | |
2010 | ||
2011 | if (!UNIT_WRITE_FLAGS_NOOP(flags)) { | |
2012 | *p = v; | |
2013 | unit_write_settingf(u, flags, name, | |
2014 | "%s=%s", name, s); | |
2015 | } | |
2016 | ||
2017 | return 1; | |
2018 | } | |
2019 | ||
7af67e9a LP |
2020 | static int bus_set_transient_exit_status( |
2021 | Unit *u, | |
2022 | const char *name, | |
2023 | int *p, | |
2024 | sd_bus_message *message, | |
2025 | UnitWriteFlags flags, | |
2026 | sd_bus_error *error) { | |
2027 | ||
2028 | int32_t k; | |
2029 | int r; | |
2030 | ||
2031 | assert(p); | |
2032 | ||
2033 | r = sd_bus_message_read(message, "i", &k); | |
2034 | if (r < 0) | |
2035 | return r; | |
2036 | ||
2037 | if (k > 255) | |
1b09b81c | 2038 | return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Exit status must be in range 0…255 or negative."); |
7af67e9a LP |
2039 | |
2040 | if (!UNIT_WRITE_FLAGS_NOOP(flags)) { | |
2041 | *p = k < 0 ? -1 : k; | |
2042 | ||
2043 | if (k < 0) | |
2044 | unit_write_settingf(u, flags, name, "%s=", name); | |
2045 | else | |
2046 | unit_write_settingf(u, flags, name, "%s=%i", name, k); | |
2047 | } | |
2048 | ||
2049 | return 1; | |
2050 | } | |
2051 | ||
faa781cf | 2052 | static BUS_DEFINE_SET_TRANSIENT_PARSE(collect_mode, CollectMode, collect_mode_from_string); |
faa781cf YW |
2053 | static BUS_DEFINE_SET_TRANSIENT_PARSE(job_mode, JobMode, job_mode_from_string); |
2054 | ||
2055 | static int bus_set_transient_conditions( | |
2056 | Unit *u, | |
2057 | const char *name, | |
2058 | Condition **list, | |
2059 | bool is_condition, | |
2060 | sd_bus_message *message, | |
2061 | UnitWriteFlags flags, | |
2062 | sd_bus_error *error) { | |
2063 | ||
2064 | const char *type_name, *param; | |
2065 | int trigger, negate, r; | |
2066 | bool empty = true; | |
2067 | ||
2068 | assert(list); | |
2069 | ||
2070 | r = sd_bus_message_enter_container(message, 'a', "(sbbs)"); | |
2071 | if (r < 0) | |
2072 | return r; | |
2073 | ||
2074 | while ((r = sd_bus_message_read(message, "(sbbs)", &type_name, &trigger, &negate, ¶m)) > 0) { | |
2075 | ConditionType t; | |
2076 | ||
2077 | t = is_condition ? condition_type_from_string(type_name) : assert_type_from_string(type_name); | |
2078 | if (t < 0) | |
2079 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid condition type: %s", type_name); | |
2080 | ||
476cfe62 LP |
2081 | if (isempty(param)) |
2082 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Condition parameter in %s is empty", type_name); | |
faa781cf | 2083 | |
476cfe62 LP |
2084 | if (condition_takes_path(t) && !path_is_absolute(param)) |
2085 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path in condition %s is not absolute: %s", type_name, param); | |
faa781cf YW |
2086 | |
2087 | if (!UNIT_WRITE_FLAGS_NOOP(flags)) { | |
2088 | Condition *c; | |
2089 | ||
2090 | c = condition_new(t, param, trigger, negate); | |
2091 | if (!c) | |
2092 | return -ENOMEM; | |
2093 | ||
2094 | LIST_PREPEND(conditions, *list, c); | |
2095 | ||
476cfe62 LP |
2096 | unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, |
2097 | "%s=%s%s%s", type_name, | |
2098 | trigger ? "|" : "", negate ? "!" : "", param); | |
faa781cf YW |
2099 | } |
2100 | ||
2101 | empty = false; | |
2102 | } | |
2103 | if (r < 0) | |
2104 | return r; | |
2105 | ||
2106 | r = sd_bus_message_exit_container(message); | |
2107 | if (r < 0) | |
2108 | return r; | |
2109 | ||
2110 | if (!UNIT_WRITE_FLAGS_NOOP(flags) && empty) { | |
2111 | *list = condition_free_list(*list); | |
2112 | unit_write_settingf(u, flags, name, "%sNull=", is_condition ? "Condition" : "Assert"); | |
2113 | } | |
2114 | ||
2115 | return 1; | |
2116 | } | |
2117 | ||
721060d4 LP |
2118 | static int bus_unit_set_transient_property( |
2119 | Unit *u, | |
2120 | const char *name, | |
2121 | sd_bus_message *message, | |
2122 | UnitWriteFlags flags, | |
2123 | sd_bus_error *error) { | |
2124 | ||
170d4026 | 2125 | UnitDependency d; |
721060d4 | 2126 | int r; |
261420ba | 2127 | |
721060d4 LP |
2128 | assert(u); |
2129 | assert(name); | |
2130 | assert(message); | |
2131 | ||
cb31470f ZJS |
2132 | /* Handles settings when transient units are created. This settings cannot be altered anymore after |
2133 | * the unit has been created. */ | |
721060d4 | 2134 | |
faa781cf YW |
2135 | if (streq(name, "SourcePath")) |
2136 | return bus_set_transient_path(u, name, &u->source_path, message, flags, error); | |
261420ba | 2137 | |
faa781cf YW |
2138 | if (streq(name, "StopWhenUnneeded")) |
2139 | return bus_set_transient_bool(u, name, &u->stop_when_unneeded, message, flags, error); | |
261420ba | 2140 | |
faa781cf YW |
2141 | if (streq(name, "RefuseManualStart")) |
2142 | return bus_set_transient_bool(u, name, &u->refuse_manual_start, message, flags, error); | |
261420ba | 2143 | |
faa781cf YW |
2144 | if (streq(name, "RefuseManualStop")) |
2145 | return bus_set_transient_bool(u, name, &u->refuse_manual_stop, message, flags, error); | |
c221420b | 2146 | |
faa781cf YW |
2147 | if (streq(name, "AllowIsolate")) |
2148 | return bus_set_transient_bool(u, name, &u->allow_isolate, message, flags, error); | |
5afe510c | 2149 | |
faa781cf YW |
2150 | if (streq(name, "DefaultDependencies")) |
2151 | return bus_set_transient_bool(u, name, &u->default_dependencies, message, flags, error); | |
2152 | ||
294446dc LP |
2153 | if (streq(name, "OnSuccessJobMode")) |
2154 | return bus_set_transient_job_mode(u, name, &u->on_success_job_mode, message, flags, error); | |
2155 | ||
faa781cf YW |
2156 | if (streq(name, "OnFailureJobMode")) |
2157 | return bus_set_transient_job_mode(u, name, &u->on_failure_job_mode, message, flags, error); | |
2158 | ||
2159 | if (streq(name, "IgnoreOnIsolate")) | |
2160 | return bus_set_transient_bool(u, name, &u->ignore_on_isolate, message, flags, error); | |
2161 | ||
2162 | if (streq(name, "JobTimeoutUSec")) { | |
2163 | r = bus_set_transient_usec_fix_0(u, name, &u->job_timeout, message, flags, error); | |
2164 | if (r >= 0 && !UNIT_WRITE_FLAGS_NOOP(flags) && !u->job_running_timeout_set) | |
2165 | u->job_running_timeout = u->job_timeout; | |
2166 | } | |
2167 | ||
2168 | if (streq(name, "JobRunningTimeoutUSec")) { | |
2169 | r = bus_set_transient_usec_fix_0(u, name, &u->job_running_timeout, message, flags, error); | |
2170 | if (r >= 0 && !UNIT_WRITE_FLAGS_NOOP(flags)) | |
2171 | u->job_running_timeout_set = true; | |
2172 | ||
2173 | return r; | |
2174 | } | |
2175 | ||
2176 | if (streq(name, "JobTimeoutAction")) | |
2177 | return bus_set_transient_emergency_action(u, name, &u->job_timeout_action, message, flags, error); | |
2178 | ||
2179 | if (streq(name, "JobTimeoutRebootArgument")) | |
2180 | return bus_set_transient_string(u, name, &u->job_timeout_reboot_arg, message, flags, error); | |
2181 | ||
2182 | if (streq(name, "StartLimitIntervalUSec")) | |
7bf081a1 | 2183 | return bus_set_transient_usec(u, name, &u->start_ratelimit.interval, message, flags, error); |
faa781cf YW |
2184 | |
2185 | if (streq(name, "StartLimitBurst")) | |
7bf081a1 | 2186 | return bus_set_transient_unsigned(u, name, &u->start_ratelimit.burst, message, flags, error); |
faa781cf YW |
2187 | |
2188 | if (streq(name, "StartLimitAction")) | |
2189 | return bus_set_transient_emergency_action(u, name, &u->start_limit_action, message, flags, error); | |
2190 | ||
2191 | if (streq(name, "FailureAction")) | |
2192 | return bus_set_transient_emergency_action(u, name, &u->failure_action, message, flags, error); | |
2193 | ||
2194 | if (streq(name, "SuccessAction")) | |
2195 | return bus_set_transient_emergency_action(u, name, &u->success_action, message, flags, error); | |
2196 | ||
7af67e9a LP |
2197 | if (streq(name, "FailureActionExitStatus")) |
2198 | return bus_set_transient_exit_status(u, name, &u->failure_action_exit_status, message, flags, error); | |
2199 | ||
2200 | if (streq(name, "SuccessActionExitStatus")) | |
2201 | return bus_set_transient_exit_status(u, name, &u->success_action_exit_status, message, flags, error); | |
2202 | ||
faa781cf YW |
2203 | if (streq(name, "RebootArgument")) |
2204 | return bus_set_transient_string(u, name, &u->reboot_arg, message, flags, error); | |
2205 | ||
2206 | if (streq(name, "CollectMode")) | |
2207 | return bus_set_transient_collect_mode(u, name, &u->collect_mode, message, flags, error); | |
2208 | ||
2209 | if (streq(name, "Conditions")) | |
2210 | return bus_set_transient_conditions(u, name, &u->conditions, true, message, flags, error); | |
2211 | ||
2212 | if (streq(name, "Asserts")) | |
2213 | return bus_set_transient_conditions(u, name, &u->asserts, false, message, flags, error); | |
2214 | ||
2215 | if (streq(name, "Documentation")) { | |
2216 | _cleanup_strv_free_ char **l = NULL; | |
faa781cf YW |
2217 | |
2218 | r = sd_bus_message_read_strv(message, &l); | |
5afe510c LP |
2219 | if (r < 0) |
2220 | return r; | |
2221 | ||
de010b0b | 2222 | STRV_FOREACH(p, l) |
faa781cf YW |
2223 | if (!documentation_url_is_valid(*p)) |
2224 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid URL in %s: %s", name, *p); | |
5afe510c | 2225 | |
2e59b241 | 2226 | if (!UNIT_WRITE_FLAGS_NOOP(flags)) { |
faa781cf YW |
2227 | if (strv_isempty(l)) { |
2228 | u->documentation = strv_free(u->documentation); | |
2229 | unit_write_settingf(u, flags, name, "%s=", name); | |
2230 | } else { | |
2231 | strv_extend_strv(&u->documentation, l, false); | |
2232 | ||
2233 | STRV_FOREACH(p, l) | |
2234 | unit_write_settingf(u, flags, name, "%s=%s", name, *p); | |
2235 | } | |
5afe510c LP |
2236 | } |
2237 | ||
2238 | return 1; | |
2239 | ||
d79200e2 LP |
2240 | } else if (streq(name, "Slice")) { |
2241 | Unit *slice; | |
c221420b | 2242 | const char *s; |
c221420b | 2243 | |
d79200e2 | 2244 | if (!UNIT_HAS_CGROUP_CONTEXT(u)) |
1b09b81c | 2245 | return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "The slice property is only available for units with control groups."); |
d79200e2 | 2246 | if (u->type == UNIT_SLICE) |
1b09b81c | 2247 | return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Slice may not be set for slice units."); |
efdb0237 | 2248 | if (unit_has_name(u, SPECIAL_INIT_SCOPE)) |
1b09b81c | 2249 | return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Cannot set slice for init.scope"); |
d79200e2 | 2250 | |
718db961 LP |
2251 | r = sd_bus_message_read(message, "s", &s); |
2252 | if (r < 0) | |
2253 | return r; | |
c221420b | 2254 | |
d79200e2 LP |
2255 | if (!unit_name_is_valid(s, UNIT_NAME_PLAIN)) |
2256 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid unit name '%s'", s); | |
2257 | ||
aea529e5 LP |
2258 | /* Note that we do not dispatch the load queue here yet, as we don't want our own transient unit to be |
2259 | * loaded while we are still setting it up. Or in other words, we use manager_load_unit_prepare() | |
2260 | * instead of manager_load_unit() on purpose, here. */ | |
2261 | r = manager_load_unit_prepare(u->manager, s, NULL, error, &slice); | |
d79200e2 LP |
2262 | if (r < 0) |
2263 | return r; | |
c221420b | 2264 | |
d79200e2 LP |
2265 | if (slice->type != UNIT_SLICE) |
2266 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unit name '%s' is not a slice", s); | |
b9316fb0 | 2267 | |
2e59b241 | 2268 | if (!UNIT_WRITE_FLAGS_NOOP(flags)) { |
899acf5c | 2269 | r = unit_set_slice(u, slice); |
8aec412f LP |
2270 | if (r < 0) |
2271 | return r; | |
c221420b | 2272 | |
2e59b241 | 2273 | unit_write_settingf(u, flags|UNIT_PRIVATE, name, "Slice=%s", s); |
8aec412f | 2274 | } |
b9ec9359 | 2275 | |
c221420b | 2276 | return 1; |
d79200e2 | 2277 | |
faa781cf YW |
2278 | } else if (streq(name, "RequiresMountsFor")) { |
2279 | _cleanup_strv_free_ char **l = NULL; | |
faa781cf YW |
2280 | |
2281 | r = sd_bus_message_read_strv(message, &l); | |
2282 | if (r < 0) | |
2283 | return r; | |
2284 | ||
2285 | STRV_FOREACH(p, l) { | |
4ff361cc | 2286 | path_simplify(*p); |
b459700b | 2287 | |
faa781cf YW |
2288 | if (!path_is_absolute(*p)) |
2289 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path specified in %s is not absolute: %s", name, *p); | |
2290 | ||
b459700b YW |
2291 | if (!path_is_valid(*p)) |
2292 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path specified in %s has invalid length: %s", name, *p); | |
2293 | ||
2294 | if (!path_is_normalized(*p)) | |
2295 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path specified in %s is not normalized: %s", name, *p); | |
2296 | ||
faa781cf YW |
2297 | if (!UNIT_WRITE_FLAGS_NOOP(flags)) { |
2298 | r = unit_require_mounts_for(u, *p, UNIT_DEPENDENCY_FILE); | |
2299 | if (r < 0) | |
2300 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Failed to add required mount \"%s\": %m", *p); | |
7fb3ee51 | 2301 | |
faa781cf YW |
2302 | unit_write_settingf(u, flags, name, "%s=%s", name, *p); |
2303 | } | |
f32b43bd | 2304 | } |
7fb3ee51 | 2305 | |
faa781cf YW |
2306 | return 1; |
2307 | } | |
2308 | ||
2309 | if (streq(name, "RequiresOverridable")) | |
2310 | d = UNIT_REQUIRES; /* redirect for obsolete unit dependency type */ | |
2311 | else if (streq(name, "RequisiteOverridable")) | |
2312 | d = UNIT_REQUISITE; /* same here */ | |
2313 | else | |
2314 | d = unit_dependency_from_string(name); | |
2315 | ||
2316 | if (d >= 0) { | |
2317 | const char *other; | |
2318 | ||
40430848 LP |
2319 | if (!IN_SET(d, |
2320 | UNIT_REQUIRES, | |
2321 | UNIT_REQUISITE, | |
2322 | UNIT_WANTS, | |
2323 | UNIT_BINDS_TO, | |
2324 | UNIT_PART_OF, | |
0bc488c9 | 2325 | UNIT_UPHOLDS, |
40430848 LP |
2326 | UNIT_CONFLICTS, |
2327 | UNIT_BEFORE, | |
2328 | UNIT_AFTER, | |
294446dc | 2329 | UNIT_ON_SUCCESS, |
40430848 LP |
2330 | UNIT_ON_FAILURE, |
2331 | UNIT_PROPAGATES_RELOAD_TO, | |
2332 | UNIT_RELOAD_PROPAGATED_FROM, | |
ffec78c0 LP |
2333 | UNIT_PROPAGATES_STOP_TO, |
2334 | UNIT_STOP_PROPAGATED_FROM, | |
40430848 LP |
2335 | UNIT_JOINS_NAMESPACE_OF)) |
2336 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Dependency type %s may not be created transiently.", unit_dependency_to_string(d)); | |
2337 | ||
718db961 LP |
2338 | r = sd_bus_message_enter_container(message, 'a', "s"); |
2339 | if (r < 0) | |
2340 | return r; | |
7fb3ee51 | 2341 | |
718db961 | 2342 | while ((r = sd_bus_message_read(message, "s", &other)) > 0) { |
7410616c | 2343 | if (!unit_name_is_valid(other, UNIT_NAME_PLAIN|UNIT_NAME_INSTANCE)) |
718db961 | 2344 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid unit name %s", other); |
7fb3ee51 | 2345 | |
2e59b241 | 2346 | if (!UNIT_WRITE_FLAGS_NOOP(flags)) { |
b9ec9359 | 2347 | _cleanup_free_ char *label = NULL; |
7fb3ee51 | 2348 | |
35d8c19a | 2349 | r = unit_add_dependency_by_name(u, d, other, true, UNIT_DEPENDENCY_FILE); |
7fb3ee51 LP |
2350 | if (r < 0) |
2351 | return r; | |
2352 | ||
605405c6 | 2353 | label = strjoin(name, "-", other); |
7fb3ee51 LP |
2354 | if (!label) |
2355 | return -ENOMEM; | |
2356 | ||
faa781cf | 2357 | unit_write_settingf(u, flags, label, "%s=%s", unit_dependency_to_string(d), other); |
7fb3ee51 LP |
2358 | } |
2359 | ||
7fb3ee51 | 2360 | } |
718db961 LP |
2361 | if (r < 0) |
2362 | return r; | |
7fb3ee51 | 2363 | |
6ce270b1 LP |
2364 | r = sd_bus_message_exit_container(message); |
2365 | if (r < 0) | |
2366 | return r; | |
2367 | ||
7fb3ee51 | 2368 | return 1; |
05a98afd LP |
2369 | |
2370 | } else if (streq(name, "AddRef")) { | |
2371 | ||
2372 | int b; | |
2373 | ||
2374 | /* Why is this called "AddRef" rather than just "Ref", or "Reference"? There's already a "Ref()" method | |
2375 | * on the Unit interface, and it's probably not a good idea to expose a property and a method on the | |
2376 | * same interface (well, strictly speaking AddRef isn't exposed as full property, we just read it for | |
2377 | * transient units, but still). And "References" and "ReferencedBy" is already used as unit reference | |
2378 | * dependency type, hence let's not confuse things with that. | |
2379 | * | |
5238e957 | 2380 | * Note that we don't actually add the reference to the bus track. We do that only after the setup of |
05a98afd LP |
2381 | * the transient unit is complete, so that setting this property multiple times in the same transient |
2382 | * unit creation call doesn't count as individual references. */ | |
2383 | ||
2384 | r = sd_bus_message_read(message, "b", &b); | |
2385 | if (r < 0) | |
2386 | return r; | |
2387 | ||
2e59b241 | 2388 | if (!UNIT_WRITE_FLAGS_NOOP(flags)) |
05a98afd LP |
2389 | u->bus_track_add = b; |
2390 | ||
2391 | return 1; | |
9f2e86af LP |
2392 | } |
2393 | ||
2394 | return 0; | |
2395 | } | |
2396 | ||
c2756a68 LP |
2397 | int bus_unit_set_properties( |
2398 | Unit *u, | |
718db961 | 2399 | sd_bus_message *message, |
2e59b241 | 2400 | UnitWriteFlags flags, |
c2756a68 | 2401 | bool commit, |
718db961 | 2402 | sd_bus_error *error) { |
c2756a68 | 2403 | |
8e2af478 | 2404 | bool for_real = false; |
8e2af478 LP |
2405 | unsigned n = 0; |
2406 | int r; | |
2407 | ||
2408 | assert(u); | |
718db961 | 2409 | assert(message); |
8e2af478 | 2410 | |
4a055e5a ZJS |
2411 | /* We iterate through the array twice. First run just checks if all passed data is valid, second run |
2412 | * actually applies it. This implements transaction-like behaviour without actually providing full | |
2413 | * transactions. */ | |
8e2af478 | 2414 | |
718db961 LP |
2415 | r = sd_bus_message_enter_container(message, 'a', "(sv)"); |
2416 | if (r < 0) | |
44d82df4 | 2417 | goto error; |
8e2af478 | 2418 | |
8e2af478 | 2419 | for (;;) { |
8e2af478 | 2420 | const char *name; |
2e59b241 | 2421 | UnitWriteFlags f; |
8e2af478 | 2422 | |
718db961 LP |
2423 | r = sd_bus_message_enter_container(message, 'r', "sv"); |
2424 | if (r < 0) | |
44d82df4 | 2425 | goto error; |
718db961 | 2426 | if (r == 0) { |
2e59b241 | 2427 | if (for_real || UNIT_WRITE_FLAGS_NOOP(flags)) |
8e2af478 LP |
2428 | break; |
2429 | ||
2430 | /* Reached EOF. Let's try again, and this time for realz... */ | |
718db961 LP |
2431 | r = sd_bus_message_rewind(message, false); |
2432 | if (r < 0) | |
44d82df4 | 2433 | goto error; |
6ce270b1 | 2434 | |
8e2af478 LP |
2435 | for_real = true; |
2436 | continue; | |
2437 | } | |
2438 | ||
718db961 LP |
2439 | r = sd_bus_message_read(message, "s", &name); |
2440 | if (r < 0) | |
44d82df4 | 2441 | goto error; |
8e2af478 | 2442 | |
718db961 LP |
2443 | r = sd_bus_message_enter_container(message, 'v', NULL); |
2444 | if (r < 0) | |
44d82df4 | 2445 | goto error; |
8e2af478 | 2446 | |
2e59b241 LP |
2447 | /* If not for real, then mask out the two target flags */ |
2448 | f = for_real ? flags : (flags & ~(UNIT_RUNTIME|UNIT_PERSISTENT)); | |
2449 | ||
eab62c01 ZJS |
2450 | if (UNIT_VTABLE(u)->bus_set_property) |
2451 | r = UNIT_VTABLE(u)->bus_set_property(u, name, message, f, error); | |
2452 | else | |
2453 | r = 0; | |
9f2e86af | 2454 | if (r == 0 && u->transient && u->load_state == UNIT_STUB) |
2e59b241 | 2455 | r = bus_unit_set_transient_property(u, name, message, f, error); |
721060d4 LP |
2456 | if (r == 0) |
2457 | r = bus_unit_set_live_property(u, name, message, f, error); | |
718db961 | 2458 | if (r < 0) |
44d82df4 | 2459 | goto error; |
721060d4 | 2460 | |
718db961 | 2461 | if (r == 0) |
cb31470f ZJS |
2462 | return sd_bus_error_setf(error, SD_BUS_ERROR_PROPERTY_READ_ONLY, |
2463 | "Cannot set property %s, or unknown property.", name); | |
718db961 LP |
2464 | |
2465 | r = sd_bus_message_exit_container(message); | |
8e2af478 | 2466 | if (r < 0) |
44d82df4 | 2467 | goto error; |
8e2af478 | 2468 | |
718db961 LP |
2469 | r = sd_bus_message_exit_container(message); |
2470 | if (r < 0) | |
44d82df4 | 2471 | goto error; |
8e2af478 LP |
2472 | |
2473 | n += for_real; | |
2474 | } | |
2475 | ||
6ce270b1 LP |
2476 | r = sd_bus_message_exit_container(message); |
2477 | if (r < 0) | |
44d82df4 | 2478 | goto error; |
6ce270b1 | 2479 | |
c2756a68 | 2480 | if (commit && n > 0 && UNIT_VTABLE(u)->bus_commit_properties) |
8e2af478 LP |
2481 | UNIT_VTABLE(u)->bus_commit_properties(u); |
2482 | ||
241da328 | 2483 | return n; |
44d82df4 ZJS |
2484 | |
2485 | error: | |
2486 | /* Pretty much any of the calls above can fail if the message is not formed properly | |
2487 | * or if it has unexpected contents. Fill in a more informative error message here. */ | |
2488 | if (sd_bus_error_is_set(error)) | |
2489 | return r; | |
2490 | return sd_bus_error_set_errnof(error, r, | |
2491 | r == -ENXIO ? "Failed to set unit properties: Unexpected message contents" | |
2492 | : "Failed to set unit properties: %m"); | |
8e2af478 | 2493 | } |
000a996d | 2494 | |
e49da001 | 2495 | int bus_unit_validate_load_state(Unit *u, sd_bus_error *error) { |
6eb7c172 | 2496 | assert(u); |
000a996d | 2497 | |
e49da001 | 2498 | /* Generates a pretty error if a unit isn't properly loaded. */ |
000a996d | 2499 | |
e49da001 LP |
2500 | switch (u->load_state) { |
2501 | ||
2502 | case UNIT_LOADED: | |
2503 | return 0; | |
000a996d | 2504 | |
e49da001 | 2505 | case UNIT_NOT_FOUND: |
b21d2f81 | 2506 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s not found.", u->id); |
000a996d | 2507 | |
c4555ad8 LP |
2508 | case UNIT_BAD_SETTING: |
2509 | return sd_bus_error_setf(error, BUS_ERROR_BAD_UNIT_SETTING, "Unit %s has a bad unit file setting.", u->id); | |
2510 | ||
e49da001 | 2511 | case UNIT_ERROR: /* Only show .load_error in UNIT_ERROR state */ |
6b10a2e0 LP |
2512 | return sd_bus_error_set_errnof(error, u->load_error, |
2513 | "Unit %s failed to load properly, please adjust/correct and reload service manager: %m", u->id); | |
e49da001 LP |
2514 | |
2515 | case UNIT_MASKED: | |
2516 | return sd_bus_error_setf(error, BUS_ERROR_UNIT_MASKED, "Unit %s is masked.", u->id); | |
2517 | ||
2518 | case UNIT_STUB: | |
2519 | case UNIT_MERGED: | |
2520 | default: | |
2521 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT, "Unexpected load state of unit %s", u->id); | |
2522 | } | |
000a996d | 2523 | } |
05a98afd | 2524 | |
c5a97ed1 | 2525 | static int bus_unit_track_handler(sd_bus_track *t, void *userdata) { |
99534007 | 2526 | Unit *u = ASSERT_PTR(userdata); |
05a98afd LP |
2527 | |
2528 | assert(t); | |
05a98afd LP |
2529 | |
2530 | u->bus_track = sd_bus_track_unref(u->bus_track); /* make sure we aren't called again */ | |
2531 | ||
e5c36295 LP |
2532 | /* If the client that tracks us disappeared, then there's reason to believe that the cgroup is empty now too, |
2533 | * let's see */ | |
2534 | unit_add_to_cgroup_empty_queue(u); | |
2535 | ||
2536 | /* Also add the unit to the GC queue, after all if the client left it might be time to GC this unit */ | |
05a98afd | 2537 | unit_add_to_gc_queue(u); |
e5c36295 | 2538 | |
05a98afd LP |
2539 | return 0; |
2540 | } | |
2541 | ||
c5a97ed1 | 2542 | static int bus_unit_allocate_bus_track(Unit *u) { |
05a98afd LP |
2543 | int r; |
2544 | ||
2545 | assert(u); | |
2546 | ||
2547 | if (u->bus_track) | |
2548 | return 0; | |
2549 | ||
c5a97ed1 | 2550 | r = sd_bus_track_new(u->manager->api_bus, &u->bus_track, bus_unit_track_handler, u); |
05a98afd LP |
2551 | if (r < 0) |
2552 | return r; | |
2553 | ||
2554 | r = sd_bus_track_set_recursive(u->bus_track, true); | |
2555 | if (r < 0) { | |
2556 | u->bus_track = sd_bus_track_unref(u->bus_track); | |
2557 | return r; | |
2558 | } | |
2559 | ||
2560 | return 0; | |
2561 | } | |
2562 | ||
2563 | int bus_unit_track_add_name(Unit *u, const char *name) { | |
2564 | int r; | |
2565 | ||
2566 | assert(u); | |
2567 | ||
c5a97ed1 | 2568 | r = bus_unit_allocate_bus_track(u); |
05a98afd LP |
2569 | if (r < 0) |
2570 | return r; | |
2571 | ||
2572 | return sd_bus_track_add_name(u->bus_track, name); | |
2573 | } | |
2574 | ||
2575 | int bus_unit_track_add_sender(Unit *u, sd_bus_message *m) { | |
2576 | int r; | |
2577 | ||
2578 | assert(u); | |
2579 | ||
c5a97ed1 | 2580 | r = bus_unit_allocate_bus_track(u); |
05a98afd LP |
2581 | if (r < 0) |
2582 | return r; | |
2583 | ||
2584 | return sd_bus_track_add_sender(u->bus_track, m); | |
2585 | } | |
2586 | ||
2587 | int bus_unit_track_remove_sender(Unit *u, sd_bus_message *m) { | |
2588 | assert(u); | |
2589 | ||
cb31470f ZJS |
2590 | /* If we haven't allocated the bus track object yet, then there's definitely no reference taken yet, |
2591 | * return an error */ | |
05a98afd LP |
2592 | if (!u->bus_track) |
2593 | return -EUNATCH; | |
2594 | ||
2595 | return sd_bus_track_remove_sender(u->bus_track, m); | |
2596 | } |