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1ee306e1 LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2011 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
22 | #include <errno.h> | |
23 | #include <string.h> | |
24 | #include <unistd.h> | |
25 | #include <pwd.h> | |
26 | ||
c3350683 LP |
27 | #include "sd-id128.h" |
28 | #include "sd-messages.h" | |
1ee306e1 | 29 | |
1ee306e1 LP |
30 | #include "strv.h" |
31 | #include "mkdir.h" | |
32 | #include "path-util.h" | |
33 | #include "special.h" | |
1ee306e1 LP |
34 | #include "fileio-label.h" |
35 | #include "label.h" | |
36 | #include "utf8.h" | |
37 | #include "unit-name.h" | |
c3350683 LP |
38 | #include "bus-util.h" |
39 | #include "time-util.h" | |
23c80348 | 40 | #include "cgroup-util.h" |
c3350683 | 41 | #include "machined.h" |
1ee306e1 LP |
42 | |
43 | static bool valid_machine_name(const char *p) { | |
44 | size_t l; | |
45 | ||
46 | if (!filename_is_safe(p)) | |
47 | return false; | |
48 | ||
49 | if (!ascii_is_valid(p)) | |
50 | return false; | |
51 | ||
52 | l = strlen(p); | |
53 | ||
54 | if (l < 1 || l> 64) | |
55 | return false; | |
56 | ||
57 | return true; | |
58 | } | |
59 | ||
c3350683 LP |
60 | static int method_get_machine(sd_bus *bus, sd_bus_message *message, void *userdata) { |
61 | _cleanup_free_ char *p = NULL; | |
62 | Manager *m = userdata; | |
63 | Machine *machine; | |
64 | const char *name; | |
65 | int r; | |
66 | ||
67 | assert(bus); | |
68 | assert(message); | |
69 | assert(m); | |
70 | ||
71 | r = sd_bus_message_read(message, "s", &name); | |
72 | if (r < 0) | |
73 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
74 | ||
75 | machine = hashmap_get(m->machines, name); | |
76 | if (!machine) | |
77 | return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
78 | ||
79 | p = machine_bus_path(machine); | |
80 | if (!p) | |
81 | return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); | |
82 | ||
83 | return sd_bus_reply_method_return(bus, message, "o", p); | |
84 | } | |
85 | ||
86 | static int method_get_machine_by_pid(sd_bus *bus, sd_bus_message *message, void *userdata) { | |
87 | _cleanup_free_ char *p = NULL; | |
88 | Manager *m = userdata; | |
89 | Machine *machine = NULL; | |
4e724d9c | 90 | pid_t pid; |
c3350683 LP |
91 | int r; |
92 | ||
93 | assert(bus); | |
94 | assert(message); | |
95 | assert(m); | |
96 | ||
4e724d9c LP |
97 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
98 | ||
c3350683 LP |
99 | r = sd_bus_message_read(message, "u", &pid); |
100 | if (r < 0) | |
101 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
102 | ||
4e724d9c LP |
103 | if (pid == 0) { |
104 | r = sd_bus_get_owner_pid(bus, sd_bus_message_get_sender(message), &pid); | |
105 | if (r < 0) | |
106 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
107 | } | |
108 | ||
c3350683 LP |
109 | r = manager_get_machine_by_pid(m, pid, &machine); |
110 | if (r < 0) | |
111 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
112 | if (!machine) | |
113 | return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_MACHINE_FOR_PID, "PID %lu does not belong to any known machine", (unsigned long) pid); | |
114 | ||
115 | p = machine_bus_path(machine); | |
116 | if (!p) | |
117 | return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); | |
118 | ||
119 | return sd_bus_reply_method_return(bus, message, "o", p); | |
120 | } | |
121 | ||
122 | static int method_list_machines(sd_bus *bus, sd_bus_message *message, void *userdata) { | |
123 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
124 | Manager *m = userdata; | |
125 | Machine *machine; | |
126 | Iterator i; | |
127 | int r; | |
128 | ||
129 | assert(bus); | |
130 | assert(message); | |
131 | assert(m); | |
132 | ||
133 | r = sd_bus_message_new_method_return(bus, message, &reply); | |
134 | if (r < 0) | |
135 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
136 | ||
137 | r = sd_bus_message_open_container(reply, 'a', "(ssso)"); | |
138 | if (r < 0) | |
139 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
140 | ||
141 | HASHMAP_FOREACH(machine, m->machines, i) { | |
142 | _cleanup_free_ char *p = NULL; | |
143 | ||
144 | p = machine_bus_path(machine); | |
145 | if (!p) | |
146 | return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); | |
147 | ||
148 | r = sd_bus_message_append(reply, "(ssso)", | |
149 | machine->name, | |
150 | strempty(machine_class_to_string(machine->class)), | |
151 | machine->service, | |
152 | p); | |
153 | if (r < 0) | |
154 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
155 | } | |
1ee306e1 | 156 | |
c3350683 LP |
157 | r = sd_bus_message_close_container(reply); |
158 | if (r < 0) | |
159 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
160 | ||
161 | return sd_bus_send(bus, reply, NULL); | |
162 | } | |
163 | ||
164 | static int method_create_machine(sd_bus *bus, sd_bus_message *message, void *userdata) { | |
165 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
8aec412f | 166 | const char *name, *service, *class, *root_directory; |
c3350683 | 167 | Manager *manager = userdata; |
1ee306e1 LP |
168 | MachineClass c; |
169 | uint32_t leader; | |
170 | sd_id128_t id; | |
c3350683 | 171 | const void *v; |
1ee306e1 | 172 | Machine *m; |
c3350683 LP |
173 | size_t n; |
174 | int r; | |
1ee306e1 | 175 | |
c3350683 | 176 | assert(bus); |
1ee306e1 | 177 | assert(message); |
c3350683 | 178 | assert(manager); |
1ee306e1 | 179 | |
c3350683 LP |
180 | r = sd_bus_message_read(message, "s", &name); |
181 | if (r < 0) | |
182 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
183 | if (!valid_machine_name(name)) | |
184 | return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine name"); | |
1ee306e1 | 185 | |
c3350683 LP |
186 | r = sd_bus_message_read_array(message, 'y', &v, &n); |
187 | if (r < 0) | |
188 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
1ee306e1 LP |
189 | if (n == 0) |
190 | id = SD_ID128_NULL; | |
191 | else if (n == 16) | |
192 | memcpy(&id, v, n); | |
193 | else | |
c3350683 | 194 | return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine ID parameter"); |
1ee306e1 | 195 | |
c3350683 LP |
196 | r = sd_bus_message_read(message, "ssus", &service, &class, &leader, &root_directory); |
197 | if (r < 0) | |
198 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
1ee306e1 LP |
199 | |
200 | if (isempty(class)) | |
201 | c = _MACHINE_CLASS_INVALID; | |
202 | else { | |
203 | c = machine_class_from_string(class); | |
204 | if (c < 0) | |
c3350683 | 205 | return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine class parameter"); |
1ee306e1 LP |
206 | } |
207 | ||
c3350683 LP |
208 | if (leader == 1) |
209 | return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID"); | |
1ee306e1 | 210 | |
c3350683 LP |
211 | if (!isempty(root_directory) && !path_is_absolute(root_directory)) |
212 | return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Root directory must be empty or an absolute path"); | |
1ee306e1 | 213 | |
c3350683 LP |
214 | r = sd_bus_message_enter_container(message, 'a', "(sv)"); |
215 | if (r < 0) | |
216 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
1ee306e1 | 217 | |
c3350683 LP |
218 | if (leader == 0) { |
219 | assert_cc(sizeof(uint32_t) == sizeof(pid_t)); | |
554604b3 | 220 | |
c3350683 LP |
221 | r = sd_bus_get_owner_pid(bus, sd_bus_message_get_sender(message), (pid_t*) &leader); |
222 | if (r < 0) | |
223 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
224 | } | |
554604b3 | 225 | |
1ee306e1 | 226 | if (hashmap_get(manager->machines, name)) |
c3350683 | 227 | return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_MACHINE_EXISTS, "Machine '%s' already exists", name); |
1ee306e1 LP |
228 | |
229 | r = manager_add_machine(manager, name, &m); | |
230 | if (r < 0) | |
c3350683 | 231 | return sd_bus_reply_method_errno(bus, message, r, NULL); |
1ee306e1 LP |
232 | |
233 | m->leader = leader; | |
234 | m->class = c; | |
235 | m->id = id; | |
236 | ||
237 | if (!isempty(service)) { | |
238 | m->service = strdup(service); | |
239 | if (!m->service) { | |
c3350683 | 240 | r = sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); |
1ee306e1 LP |
241 | goto fail; |
242 | } | |
243 | } | |
244 | ||
245 | if (!isempty(root_directory)) { | |
246 | m->root_directory = strdup(root_directory); | |
247 | if (!m->root_directory) { | |
c3350683 | 248 | r = sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); |
1ee306e1 LP |
249 | goto fail; |
250 | } | |
251 | } | |
252 | ||
c3350683 LP |
253 | r = machine_start(m, message, &error); |
254 | if (r < 0) { | |
255 | r = sd_bus_reply_method_errno(bus, message, r, &error); | |
1ee306e1 | 256 | goto fail; |
c3350683 | 257 | } |
1ee306e1 | 258 | |
c3350683 | 259 | m->create_message = sd_bus_message_ref(message); |
1ee306e1 | 260 | |
c3350683 | 261 | return 1; |
1ee306e1 LP |
262 | |
263 | fail: | |
a3e7f417 | 264 | machine_add_to_gc_queue(m); |
1ee306e1 LP |
265 | |
266 | return r; | |
267 | } | |
268 | ||
c3350683 | 269 | static int method_terminate_machine(sd_bus *bus, sd_bus_message *message, void *userdata) { |
1ee306e1 | 270 | Manager *m = userdata; |
c3350683 LP |
271 | Machine *machine; |
272 | const char *name; | |
1ee306e1 LP |
273 | int r; |
274 | ||
c3350683 | 275 | assert(bus); |
1ee306e1 LP |
276 | assert(message); |
277 | assert(m); | |
278 | ||
c3350683 LP |
279 | r = sd_bus_message_read(message, "s", &name); |
280 | if (r < 0) | |
281 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
1ee306e1 | 282 | |
c3350683 LP |
283 | machine = hashmap_get(m->machines, name); |
284 | if (!machine) | |
285 | return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
1ee306e1 | 286 | |
c3350683 LP |
287 | r = machine_stop(machine); |
288 | if (r < 0) | |
289 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
1ee306e1 | 290 | |
c3350683 LP |
291 | return sd_bus_reply_method_return(bus, message, NULL); |
292 | } | |
1ee306e1 | 293 | |
c3350683 LP |
294 | static int method_kill_machine(sd_bus *bus, sd_bus_message *message, void *userdata) { |
295 | Manager *m = userdata; | |
296 | Machine *machine; | |
297 | const char *name; | |
298 | const char *swho; | |
299 | int32_t signo; | |
300 | KillWho who; | |
301 | int r; | |
1ee306e1 | 302 | |
c3350683 LP |
303 | assert(bus); |
304 | assert(message); | |
305 | assert(m); | |
1ee306e1 | 306 | |
c3350683 LP |
307 | r = sd_bus_message_read(message, "ssi", &name, &swho, &signo); |
308 | if (r < 0) | |
309 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
1ee306e1 | 310 | |
c3350683 LP |
311 | if (isempty(swho)) |
312 | who = KILL_ALL; | |
313 | else { | |
314 | who = kill_who_from_string(swho); | |
315 | if (who < 0) | |
316 | return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid kill parameter '%s'", swho); | |
317 | } | |
1ee306e1 | 318 | |
c3350683 LP |
319 | if (signo <= 0 || signo >= _NSIG) |
320 | return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo); | |
1ee306e1 | 321 | |
c3350683 LP |
322 | machine = hashmap_get(m->machines, name); |
323 | if (!machine) | |
324 | return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
1ee306e1 | 325 | |
c3350683 LP |
326 | r = machine_kill(machine, who, signo); |
327 | if (r < 0) | |
328 | return sd_bus_reply_method_errno(bus, message, r, NULL); | |
1ee306e1 | 329 | |
c3350683 LP |
330 | return sd_bus_reply_method_return(bus, message, NULL); |
331 | } | |
1ee306e1 | 332 | |
c3350683 LP |
333 | const sd_bus_vtable manager_vtable[] = { |
334 | SD_BUS_VTABLE_START(0), | |
335 | SD_BUS_METHOD("GetMachine", "s", "o", method_get_machine, 0), | |
336 | SD_BUS_METHOD("GetMachineByPID", "u", "o", method_get_machine_by_pid, 0), | |
337 | SD_BUS_METHOD("ListMachines", NULL, "a(ssso)", method_list_machines, 0), | |
338 | SD_BUS_METHOD("CreateMachine", "sayssusa(sv)", "o", method_create_machine, 0), | |
339 | SD_BUS_METHOD("KillMachine", "ssi", NULL, method_kill_machine, 0), | |
340 | SD_BUS_METHOD("TerminateMachine", "s", NULL, method_terminate_machine, 0), | |
341 | SD_BUS_SIGNAL("MachineNew", "so", 0), | |
342 | SD_BUS_SIGNAL("MachineRemoved", "so", 0), | |
343 | SD_BUS_VTABLE_END | |
344 | }; | |
1ee306e1 | 345 | |
c3350683 LP |
346 | int match_job_removed(sd_bus *bus, sd_bus_message *message, void *userdata) { |
347 | const char *path, *result, *unit; | |
1ee306e1 | 348 | Manager *m = userdata; |
c3350683 LP |
349 | Machine *machine; |
350 | uint32_t id; | |
351 | int r; | |
1ee306e1 | 352 | |
c3350683 | 353 | assert(bus); |
1ee306e1 | 354 | assert(message); |
c3350683 | 355 | assert(m); |
1ee306e1 | 356 | |
c3350683 LP |
357 | r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result); |
358 | if (r < 0) { | |
359 | log_error("Failed to parse JobRemoved message: %s", strerror(-r)); | |
360 | return 0; | |
361 | } | |
6797c324 | 362 | |
c3350683 LP |
363 | machine = hashmap_get(m->machine_units, unit); |
364 | if (!machine) | |
365 | return 0; | |
6797c324 | 366 | |
c3350683 LP |
367 | if (streq_ptr(path, machine->scope_job)) { |
368 | free(machine->scope_job); | |
369 | machine->scope_job = NULL; | |
6797c324 | 370 | |
c3350683 LP |
371 | if (machine->started) { |
372 | if (streq(result, "done")) | |
373 | machine_send_create_reply(machine, NULL); | |
374 | else { | |
375 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
6797c324 | 376 | |
c3350683 | 377 | sd_bus_error_setf(&error, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result); |
6797c324 | 378 | |
c3350683 LP |
379 | machine_send_create_reply(machine, &error); |
380 | } | |
381 | } else | |
382 | machine_save(machine); | |
1ee306e1 LP |
383 | } |
384 | ||
c3350683 LP |
385 | machine_add_to_gc_queue(machine); |
386 | return 0; | |
1ee306e1 LP |
387 | } |
388 | ||
c3350683 LP |
389 | int match_properties_changed(sd_bus *bus, sd_bus_message *message, void *userdata) { |
390 | _cleanup_free_ char *unit = NULL; | |
391 | Manager *m = userdata; | |
392 | Machine *machine; | |
393 | const char *path; | |
554604b3 | 394 | |
c3350683 LP |
395 | assert(bus); |
396 | assert(message); | |
397 | assert(m); | |
554604b3 | 398 | |
c3350683 LP |
399 | path = sd_bus_message_get_path(message); |
400 | if (!path) | |
554604b3 | 401 | return 0; |
554604b3 | 402 | |
c3350683 LP |
403 | unit_name_from_dbus_path(path, &unit); |
404 | if (!unit) | |
405 | return 0; | |
554604b3 | 406 | |
c3350683 LP |
407 | machine = hashmap_get(m->machine_units, unit); |
408 | if (machine) | |
409 | machine_add_to_gc_queue(machine); | |
554604b3 | 410 | |
c3350683 LP |
411 | return 0; |
412 | } | |
554604b3 | 413 | |
c3350683 LP |
414 | int match_unit_removed(sd_bus *bus, sd_bus_message *message, void *userdata) { |
415 | const char *path, *unit; | |
416 | Manager *m = userdata; | |
417 | Machine *machine; | |
418 | int r; | |
554604b3 | 419 | |
c3350683 LP |
420 | assert(bus); |
421 | assert(message); | |
422 | assert(m); | |
554604b3 | 423 | |
c3350683 LP |
424 | r = sd_bus_message_read(message, "so", &unit, &path); |
425 | if (r < 0) { | |
426 | log_error("Failed to parse UnitRemoved message: %s", strerror(-r)); | |
554604b3 LP |
427 | return 0; |
428 | } | |
429 | ||
c3350683 LP |
430 | machine = hashmap_get(m->machine_units, unit); |
431 | if (machine) | |
432 | machine_add_to_gc_queue(machine); | |
554604b3 | 433 | |
c3350683 LP |
434 | return 0; |
435 | } | |
554604b3 | 436 | |
c3350683 LP |
437 | int match_reloading(sd_bus *bus, sd_bus_message *message, void *userdata) { |
438 | Manager *m = userdata; | |
a658cafa LP |
439 | Machine *machine; |
440 | Iterator i; | |
c3350683 | 441 | int b, r; |
554604b3 | 442 | |
c3350683 | 443 | assert(bus); |
554604b3 | 444 | |
c3350683 LP |
445 | r = sd_bus_message_read(message, "b", &b); |
446 | if (r < 0) { | |
447 | log_error("Failed to parse Reloading message: %s", strerror(-r)); | |
554604b3 LP |
448 | return 0; |
449 | } | |
450 | ||
a658cafa LP |
451 | if (b) |
452 | return 0; | |
554604b3 | 453 | |
a658cafa LP |
454 | /* systemd finished reloading, let's recheck all our machines */ |
455 | log_debug("System manager has been reloaded, rechecking machines..."); | |
554604b3 | 456 | |
a658cafa LP |
457 | HASHMAP_FOREACH(machine, m->machines, i) |
458 | machine_add_to_gc_queue(machine); | |
554604b3 LP |
459 | |
460 | return 0; | |
461 | } | |
462 | ||
1ee306e1 LP |
463 | int manager_start_scope( |
464 | Manager *manager, | |
465 | const char *scope, | |
466 | pid_t pid, | |
467 | const char *slice, | |
468 | const char *description, | |
c3350683 LP |
469 | sd_bus_message *more_properties, |
470 | sd_bus_error *error, | |
1ee306e1 LP |
471 | char **job) { |
472 | ||
c3350683 | 473 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL; |
554604b3 | 474 | int r; |
1ee306e1 LP |
475 | |
476 | assert(manager); | |
477 | assert(scope); | |
478 | assert(pid > 1); | |
479 | ||
c3350683 LP |
480 | r = sd_bus_message_new_method_call( |
481 | manager->bus, | |
1ee306e1 LP |
482 | "org.freedesktop.systemd1", |
483 | "/org/freedesktop/systemd1", | |
484 | "org.freedesktop.systemd1.Manager", | |
c3350683 LP |
485 | "StartTransientUnit", |
486 | &m); | |
487 | if (r < 0) | |
488 | return r; | |
1ee306e1 | 489 | |
a658cafa | 490 | r = sd_bus_message_append(m, "ss", strempty(scope), "fail"); |
c3350683 LP |
491 | if (r < 0) |
492 | return r; | |
1ee306e1 | 493 | |
c3350683 LP |
494 | r = sd_bus_message_open_container(m, 'a', "(sv)"); |
495 | if (r < 0) | |
496 | return r; | |
1ee306e1 LP |
497 | |
498 | if (!isempty(slice)) { | |
c3350683 LP |
499 | r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice); |
500 | if (r < 0) | |
501 | return r; | |
1ee306e1 LP |
502 | } |
503 | ||
504 | if (!isempty(description)) { | |
c3350683 LP |
505 | r = sd_bus_message_append(m, "(sv)", "Description", "s", description); |
506 | if (r < 0) | |
507 | return r; | |
1ee306e1 LP |
508 | } |
509 | ||
510 | /* cgroup empty notification is not available in containers | |
511 | * currently. To make this less problematic, let's shorten the | |
c3350683 | 512 | * stop timeout for machines, so that we don't wait |
1ee306e1 | 513 | * forever. */ |
c3350683 LP |
514 | r = sd_bus_message_append(m, "(sv)", "TimeoutStopUSec", "t", 500 * USEC_PER_MSEC); |
515 | if (r < 0) | |
516 | return r; | |
1ee306e1 | 517 | |
c3350683 LP |
518 | r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid); |
519 | if (r < 0) | |
520 | return r; | |
554604b3 LP |
521 | |
522 | if (more_properties) { | |
c3350683 | 523 | r = sd_bus_message_copy(m, more_properties, true); |
554604b3 LP |
524 | if (r < 0) |
525 | return r; | |
526 | } | |
527 | ||
c3350683 LP |
528 | r = sd_bus_message_close_container(m); |
529 | if (r < 0) | |
530 | return r; | |
1ee306e1 | 531 | |
c49b30a2 | 532 | r = sd_bus_call(manager->bus, m, 0, error, &reply); |
c3350683 LP |
533 | if (r < 0) |
534 | return r; | |
1ee306e1 LP |
535 | |
536 | if (job) { | |
537 | const char *j; | |
538 | char *copy; | |
539 | ||
c3350683 LP |
540 | r = sd_bus_message_read(reply, "o", &j); |
541 | if (r < 0) | |
542 | return r; | |
1ee306e1 LP |
543 | |
544 | copy = strdup(j); | |
545 | if (!copy) | |
546 | return -ENOMEM; | |
547 | ||
548 | *job = copy; | |
549 | } | |
550 | ||
c3350683 | 551 | return 1; |
1ee306e1 LP |
552 | } |
553 | ||
c3350683 LP |
554 | int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { |
555 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
1ee306e1 LP |
556 | int r; |
557 | ||
558 | assert(manager); | |
559 | assert(unit); | |
560 | ||
c3350683 | 561 | r = sd_bus_call_method( |
1ee306e1 LP |
562 | manager->bus, |
563 | "org.freedesktop.systemd1", | |
564 | "/org/freedesktop/systemd1", | |
565 | "org.freedesktop.systemd1.Manager", | |
566 | "StopUnit", | |
1ee306e1 | 567 | error, |
c3350683 LP |
568 | &reply, |
569 | "ss", unit, "fail"); | |
1ee306e1 | 570 | if (r < 0) { |
c3350683 LP |
571 | if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) || |
572 | sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) { | |
6797c324 LP |
573 | |
574 | if (job) | |
575 | *job = NULL; | |
576 | ||
c3350683 | 577 | sd_bus_error_free(error); |
6797c324 LP |
578 | return 0; |
579 | } | |
580 | ||
1ee306e1 LP |
581 | return r; |
582 | } | |
583 | ||
584 | if (job) { | |
585 | const char *j; | |
586 | char *copy; | |
587 | ||
c3350683 LP |
588 | r = sd_bus_message_read(reply, "o", &j); |
589 | if (r < 0) | |
590 | return r; | |
1ee306e1 LP |
591 | |
592 | copy = strdup(j); | |
593 | if (!copy) | |
594 | return -ENOMEM; | |
595 | ||
596 | *job = copy; | |
597 | } | |
598 | ||
6797c324 | 599 | return 1; |
1ee306e1 LP |
600 | } |
601 | ||
c3350683 | 602 | int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) { |
1ee306e1 LP |
603 | assert(manager); |
604 | assert(unit); | |
605 | ||
a658cafa | 606 | return sd_bus_call_method( |
1ee306e1 LP |
607 | manager->bus, |
608 | "org.freedesktop.systemd1", | |
609 | "/org/freedesktop/systemd1", | |
610 | "org.freedesktop.systemd1.Manager", | |
611 | "KillUnit", | |
1ee306e1 | 612 | error, |
a658cafa | 613 | NULL, |
c3350683 | 614 | "ssi", unit, who == KILL_LEADER ? "main" : "all", signo); |
1ee306e1 LP |
615 | } |
616 | ||
617 | int manager_unit_is_active(Manager *manager, const char *unit) { | |
c3350683 LP |
618 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
619 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
1ee306e1 | 620 | _cleanup_free_ char *path = NULL; |
1ee306e1 | 621 | const char *state; |
1ee306e1 LP |
622 | int r; |
623 | ||
624 | assert(manager); | |
625 | assert(unit); | |
626 | ||
1ee306e1 LP |
627 | path = unit_dbus_path_from_name(unit); |
628 | if (!path) | |
629 | return -ENOMEM; | |
630 | ||
c3350683 | 631 | r = sd_bus_get_property( |
1ee306e1 LP |
632 | manager->bus, |
633 | "org.freedesktop.systemd1", | |
634 | path, | |
c3350683 LP |
635 | "org.freedesktop.systemd1.Unit", |
636 | "ActiveState", | |
1ee306e1 | 637 | &error, |
c3350683 LP |
638 | &reply, |
639 | "s"); | |
1ee306e1 | 640 | if (r < 0) { |
c3350683 LP |
641 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || |
642 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
6797c324 | 643 | return true; |
6797c324 | 644 | |
c3350683 LP |
645 | if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) || |
646 | sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED)) | |
6797c324 | 647 | return false; |
6797c324 | 648 | |
1ee306e1 LP |
649 | return r; |
650 | } | |
651 | ||
c3350683 LP |
652 | r = sd_bus_message_read(reply, "s", &state); |
653 | if (r < 0) | |
1ee306e1 | 654 | return -EINVAL; |
1ee306e1 LP |
655 | |
656 | return !streq(state, "inactive") && !streq(state, "failed"); | |
657 | } | |
bd16acf3 | 658 | |
c3350683 LP |
659 | int manager_job_is_active(Manager *manager, const char *path) { |
660 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
661 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
662 | int r; | |
bd16acf3 | 663 | |
c3350683 LP |
664 | assert(manager); |
665 | assert(path); | |
bd16acf3 | 666 | |
c3350683 LP |
667 | r = sd_bus_get_property( |
668 | manager->bus, | |
669 | "org.freedesktop.systemd1", | |
670 | path, | |
671 | "org.freedesktop.systemd1.Job", | |
672 | "State", | |
673 | &error, | |
674 | &reply, | |
675 | "s"); | |
676 | if (r < 0) { | |
677 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || | |
678 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
679 | return true; | |
bd16acf3 | 680 | |
c3350683 LP |
681 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT)) |
682 | return false; | |
bd16acf3 | 683 | |
bd16acf3 | 684 | return r; |
c3350683 | 685 | } |
bd16acf3 | 686 | |
c3350683 LP |
687 | /* We don't actually care about the state really. The fact |
688 | * that we could read the job state is enough for us */ | |
bd16acf3 | 689 | |
c3350683 | 690 | return true; |
bd16acf3 | 691 | } |
ab49725f KS |
692 | |
693 | int manager_get_machine_by_pid(Manager *m, pid_t pid, Machine **machine) { | |
694 | _cleanup_free_ char *unit = NULL; | |
695 | Machine *mm; | |
696 | int r; | |
697 | ||
698 | assert(m); | |
699 | assert(pid >= 1); | |
700 | assert(machine); | |
701 | ||
702 | r = cg_pid_get_unit(pid, &unit); | |
703 | if (r < 0) | |
704 | mm = hashmap_get(m->machine_leaders, UINT_TO_PTR(pid)); | |
705 | else | |
706 | mm = hashmap_get(m->machine_units, unit); | |
707 | ||
708 | if (!mm) | |
709 | return 0; | |
710 | ||
711 | *machine = mm; | |
712 | return 1; | |
713 | } | |
714 | ||
715 | int manager_add_machine(Manager *m, const char *name, Machine **_machine) { | |
716 | Machine *machine; | |
717 | ||
718 | assert(m); | |
719 | assert(name); | |
720 | ||
721 | machine = hashmap_get(m->machines, name); | |
722 | if (!machine) { | |
723 | machine = machine_new(m, name); | |
724 | if (!machine) | |
725 | return -ENOMEM; | |
726 | } | |
727 | ||
728 | if (_machine) | |
729 | *_machine = machine; | |
730 | ||
731 | return 0; | |
732 | } |