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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 LP |
29 | #include "strv.h" |
30 | #include "mkdir.h" | |
31 | #include "path-util.h" | |
32 | #include "special.h" | |
1ee306e1 LP |
33 | #include "fileio-label.h" |
34 | #include "label.h" | |
35 | #include "utf8.h" | |
36 | #include "unit-name.h" | |
c3350683 | 37 | #include "bus-util.h" |
96aad8d1 | 38 | #include "bus-common-errors.h" |
c3350683 | 39 | #include "time-util.h" |
23c80348 | 40 | #include "cgroup-util.h" |
cd61c3bf | 41 | #include "image.h" |
c3350683 | 42 | #include "machined.h" |
1ee306e1 | 43 | |
ebcf1f97 | 44 | static int method_get_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
45 | _cleanup_free_ char *p = NULL; |
46 | Manager *m = userdata; | |
47 | Machine *machine; | |
48 | const char *name; | |
49 | int r; | |
50 | ||
51 | assert(bus); | |
52 | assert(message); | |
53 | assert(m); | |
54 | ||
55 | r = sd_bus_message_read(message, "s", &name); | |
56 | if (r < 0) | |
ebcf1f97 | 57 | return r; |
c3350683 LP |
58 | |
59 | machine = hashmap_get(m->machines, name); | |
60 | if (!machine) | |
ebcf1f97 | 61 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
c3350683 LP |
62 | |
63 | p = machine_bus_path(machine); | |
64 | if (!p) | |
ebcf1f97 | 65 | return -ENOMEM; |
c3350683 | 66 | |
df2d202e | 67 | return sd_bus_reply_method_return(message, "o", p); |
c3350683 LP |
68 | } |
69 | ||
c2ce6a3d LP |
70 | static int method_get_image(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
71 | _cleanup_free_ char *p = NULL; | |
72 | Manager *m = userdata; | |
73 | const char *name; | |
74 | int r; | |
75 | ||
76 | assert(bus); | |
77 | assert(message); | |
78 | assert(m); | |
79 | ||
80 | r = sd_bus_message_read(message, "s", &name); | |
81 | if (r < 0) | |
82 | return r; | |
83 | ||
84 | r = image_find(name, NULL); | |
85 | if (r == 0) | |
86 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
87 | if (r < 0) | |
88 | return r; | |
89 | ||
90 | p = image_bus_path(name); | |
91 | if (!p) | |
92 | return -ENOMEM; | |
93 | ||
94 | return sd_bus_reply_method_return(message, "o", p); | |
95 | } | |
96 | ||
ebcf1f97 | 97 | static int method_get_machine_by_pid(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
98 | _cleanup_free_ char *p = NULL; |
99 | Manager *m = userdata; | |
100 | Machine *machine = NULL; | |
4e724d9c | 101 | pid_t pid; |
c3350683 LP |
102 | int r; |
103 | ||
104 | assert(bus); | |
105 | assert(message); | |
106 | assert(m); | |
107 | ||
4e724d9c LP |
108 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
109 | ||
c3350683 LP |
110 | r = sd_bus_message_read(message, "u", &pid); |
111 | if (r < 0) | |
ebcf1f97 | 112 | return r; |
c3350683 | 113 | |
4e724d9c | 114 | if (pid == 0) { |
5b12334d LP |
115 | _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; |
116 | ||
117 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
118 | if (r < 0) | |
119 | return r; | |
120 | ||
121 | r = sd_bus_creds_get_pid(creds, &pid); | |
4e724d9c | 122 | if (r < 0) |
ebcf1f97 | 123 | return r; |
4e724d9c LP |
124 | } |
125 | ||
c3350683 LP |
126 | r = manager_get_machine_by_pid(m, pid, &machine); |
127 | if (r < 0) | |
ebcf1f97 | 128 | return r; |
c3350683 | 129 | if (!machine) |
de0671ee | 130 | return sd_bus_error_setf(error, BUS_ERROR_NO_MACHINE_FOR_PID, "PID "PID_FMT" does not belong to any known machine", pid); |
c3350683 LP |
131 | |
132 | p = machine_bus_path(machine); | |
133 | if (!p) | |
ebcf1f97 | 134 | return -ENOMEM; |
c3350683 | 135 | |
df2d202e | 136 | return sd_bus_reply_method_return(message, "o", p); |
c3350683 LP |
137 | } |
138 | ||
ebcf1f97 | 139 | static int method_list_machines(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
140 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; |
141 | Manager *m = userdata; | |
142 | Machine *machine; | |
143 | Iterator i; | |
144 | int r; | |
145 | ||
146 | assert(bus); | |
147 | assert(message); | |
148 | assert(m); | |
149 | ||
df2d202e | 150 | r = sd_bus_message_new_method_return(message, &reply); |
c3350683 | 151 | if (r < 0) |
ebcf1f97 | 152 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
153 | |
154 | r = sd_bus_message_open_container(reply, 'a', "(ssso)"); | |
155 | if (r < 0) | |
ebcf1f97 | 156 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
157 | |
158 | HASHMAP_FOREACH(machine, m->machines, i) { | |
159 | _cleanup_free_ char *p = NULL; | |
160 | ||
161 | p = machine_bus_path(machine); | |
162 | if (!p) | |
ebcf1f97 | 163 | return -ENOMEM; |
c3350683 LP |
164 | |
165 | r = sd_bus_message_append(reply, "(ssso)", | |
166 | machine->name, | |
167 | strempty(machine_class_to_string(machine->class)), | |
168 | machine->service, | |
169 | p); | |
170 | if (r < 0) | |
ebcf1f97 | 171 | return sd_bus_error_set_errno(error, r); |
c3350683 | 172 | } |
1ee306e1 | 173 | |
c3350683 LP |
174 | r = sd_bus_message_close_container(reply); |
175 | if (r < 0) | |
ebcf1f97 | 176 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
177 | |
178 | return sd_bus_send(bus, reply, NULL); | |
179 | } | |
180 | ||
9b5ed6fe | 181 | static int method_create_or_register_machine(Manager *manager, sd_bus_message *message, bool read_network, Machine **_m, sd_bus_error *error) { |
8aec412f | 182 | const char *name, *service, *class, *root_directory; |
9b5ed6fe | 183 | const int32_t *netif = NULL; |
1ee306e1 LP |
184 | MachineClass c; |
185 | uint32_t leader; | |
186 | sd_id128_t id; | |
c3350683 | 187 | const void *v; |
1ee306e1 | 188 | Machine *m; |
9b5ed6fe | 189 | size_t n, n_netif = 0; |
c3350683 | 190 | int r; |
1ee306e1 | 191 | |
c3350683 | 192 | assert(manager); |
89f7c846 LP |
193 | assert(message); |
194 | assert(_m); | |
1ee306e1 | 195 | |
c3350683 LP |
196 | r = sd_bus_message_read(message, "s", &name); |
197 | if (r < 0) | |
ebcf1f97 | 198 | return r; |
7f0d207d | 199 | if (!machine_name_is_valid(name)) |
ebcf1f97 | 200 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine name"); |
1ee306e1 | 201 | |
c3350683 LP |
202 | r = sd_bus_message_read_array(message, 'y', &v, &n); |
203 | if (r < 0) | |
ebcf1f97 | 204 | return r; |
1ee306e1 LP |
205 | if (n == 0) |
206 | id = SD_ID128_NULL; | |
207 | else if (n == 16) | |
208 | memcpy(&id, v, n); | |
209 | else | |
ebcf1f97 | 210 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine ID parameter"); |
1ee306e1 | 211 | |
c3350683 LP |
212 | r = sd_bus_message_read(message, "ssus", &service, &class, &leader, &root_directory); |
213 | if (r < 0) | |
ebcf1f97 | 214 | return r; |
1ee306e1 | 215 | |
9b5ed6fe LP |
216 | if (read_network) { |
217 | size_t i; | |
218 | ||
219 | r = sd_bus_message_read_array(message, 'i', (const void**) &netif, &n_netif); | |
220 | if (r < 0) | |
221 | return r; | |
222 | ||
223 | n_netif /= sizeof(int32_t); | |
224 | ||
225 | for (i = 0; i < n_netif; i++) { | |
226 | if (netif[i] <= 0) | |
227 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid network interface index %i", netif[i]); | |
228 | } | |
229 | } | |
230 | ||
1ee306e1 LP |
231 | if (isempty(class)) |
232 | c = _MACHINE_CLASS_INVALID; | |
233 | else { | |
234 | c = machine_class_from_string(class); | |
235 | if (c < 0) | |
ebcf1f97 | 236 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine class parameter"); |
1ee306e1 LP |
237 | } |
238 | ||
c3350683 | 239 | if (leader == 1) |
ebcf1f97 | 240 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID"); |
1ee306e1 | 241 | |
c3350683 | 242 | if (!isempty(root_directory) && !path_is_absolute(root_directory)) |
ebcf1f97 | 243 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Root directory must be empty or an absolute path"); |
1ee306e1 | 244 | |
c3350683 | 245 | if (leader == 0) { |
5b12334d LP |
246 | _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; |
247 | ||
248 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
249 | if (r < 0) | |
250 | return r; | |
251 | ||
c3350683 | 252 | assert_cc(sizeof(uint32_t) == sizeof(pid_t)); |
554604b3 | 253 | |
5b12334d | 254 | r = sd_bus_creds_get_pid(creds, (pid_t*) &leader); |
c3350683 | 255 | if (r < 0) |
ebcf1f97 | 256 | return r; |
c3350683 | 257 | } |
554604b3 | 258 | |
1ee306e1 | 259 | if (hashmap_get(manager->machines, name)) |
ebcf1f97 | 260 | return sd_bus_error_setf(error, BUS_ERROR_MACHINE_EXISTS, "Machine '%s' already exists", name); |
1ee306e1 LP |
261 | |
262 | r = manager_add_machine(manager, name, &m); | |
263 | if (r < 0) | |
ebcf1f97 | 264 | return r; |
1ee306e1 LP |
265 | |
266 | m->leader = leader; | |
267 | m->class = c; | |
268 | m->id = id; | |
269 | ||
270 | if (!isempty(service)) { | |
271 | m->service = strdup(service); | |
272 | if (!m->service) { | |
ebcf1f97 | 273 | r = -ENOMEM; |
1ee306e1 LP |
274 | goto fail; |
275 | } | |
276 | } | |
277 | ||
278 | if (!isempty(root_directory)) { | |
279 | m->root_directory = strdup(root_directory); | |
280 | if (!m->root_directory) { | |
ebcf1f97 | 281 | r = -ENOMEM; |
1ee306e1 LP |
282 | goto fail; |
283 | } | |
284 | } | |
285 | ||
9b5ed6fe LP |
286 | if (n_netif > 0) { |
287 | assert_cc(sizeof(int32_t) == sizeof(int)); | |
288 | m->netif = memdup(netif, sizeof(int32_t) * n_netif); | |
289 | if (!m->netif) { | |
290 | r = -ENOMEM; | |
291 | goto fail; | |
292 | } | |
293 | ||
294 | m->n_netif = n_netif; | |
295 | } | |
296 | ||
89f7c846 LP |
297 | *_m = m; |
298 | ||
299 | return 1; | |
300 | ||
301 | fail: | |
302 | machine_add_to_gc_queue(m); | |
303 | return r; | |
304 | } | |
305 | ||
9b5ed6fe | 306 | static int method_create_machine_internal(sd_bus *bus, sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) { |
89f7c846 LP |
307 | Manager *manager = userdata; |
308 | Machine *m = NULL; | |
309 | int r; | |
310 | ||
9b5ed6fe | 311 | r = method_create_or_register_machine(manager, message, read_network, &m, error); |
89f7c846 LP |
312 | if (r < 0) |
313 | return r; | |
314 | ||
315 | r = sd_bus_message_enter_container(message, 'a', "(sv)"); | |
316 | if (r < 0) | |
317 | goto fail; | |
318 | ||
ebcf1f97 LP |
319 | r = machine_start(m, message, error); |
320 | if (r < 0) | |
1ee306e1 LP |
321 | goto fail; |
322 | ||
c3350683 | 323 | m->create_message = sd_bus_message_ref(message); |
c3350683 | 324 | return 1; |
1ee306e1 LP |
325 | |
326 | fail: | |
a3e7f417 | 327 | machine_add_to_gc_queue(m); |
89f7c846 LP |
328 | return r; |
329 | } | |
1ee306e1 | 330 | |
9b5ed6fe LP |
331 | static int method_create_machine_with_network(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
332 | return method_create_machine_internal(bus, message, true, userdata, error); | |
333 | } | |
334 | ||
335 | static int method_create_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
336 | return method_create_machine_internal(bus, message, false, userdata, error); | |
337 | } | |
338 | ||
339 | static int method_register_machine_internal(sd_bus *bus, sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) { | |
89f7c846 LP |
340 | Manager *manager = userdata; |
341 | _cleanup_free_ char *p = NULL; | |
342 | Machine *m = NULL; | |
343 | int r; | |
344 | ||
9b5ed6fe | 345 | r = method_create_or_register_machine(manager, message, read_network, &m, error); |
89f7c846 LP |
346 | if (r < 0) |
347 | return r; | |
348 | ||
349 | r = cg_pid_get_unit(m->leader, &m->unit); | |
350 | if (r < 0) { | |
351 | r = sd_bus_error_set_errnof(error, r, "Failed to determine unit of process "PID_FMT" : %s", m->leader, strerror(-r)); | |
352 | goto fail; | |
353 | } | |
354 | ||
8d90c8a8 LP |
355 | m->registered = true; |
356 | ||
89f7c846 LP |
357 | r = machine_start(m, NULL, error); |
358 | if (r < 0) | |
359 | goto fail; | |
360 | ||
361 | p = machine_bus_path(m); | |
362 | if (!p) { | |
363 | r = -ENOMEM; | |
364 | goto fail; | |
365 | } | |
366 | ||
367 | return sd_bus_reply_method_return(message, "o", p); | |
368 | ||
369 | fail: | |
370 | machine_add_to_gc_queue(m); | |
1ee306e1 LP |
371 | return r; |
372 | } | |
373 | ||
9b5ed6fe LP |
374 | static int method_register_machine_with_network(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
375 | return method_register_machine_internal(bus, message, true, userdata, error); | |
376 | } | |
377 | ||
378 | static int method_register_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
379 | return method_register_machine_internal(bus, message, false, userdata, error); | |
380 | } | |
381 | ||
ebcf1f97 | 382 | static int method_terminate_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1ee306e1 | 383 | Manager *m = userdata; |
c3350683 LP |
384 | Machine *machine; |
385 | const char *name; | |
1ee306e1 LP |
386 | int r; |
387 | ||
c3350683 | 388 | assert(bus); |
1ee306e1 LP |
389 | assert(message); |
390 | assert(m); | |
391 | ||
c3350683 LP |
392 | r = sd_bus_message_read(message, "s", &name); |
393 | if (r < 0) | |
ebcf1f97 | 394 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 395 | |
c3350683 LP |
396 | machine = hashmap_get(m->machines, name); |
397 | if (!machine) | |
ebcf1f97 | 398 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
1ee306e1 | 399 | |
878cd7e9 | 400 | return bus_machine_method_terminate(bus, message, machine, error); |
c3350683 | 401 | } |
1ee306e1 | 402 | |
ebcf1f97 | 403 | static int method_kill_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
404 | Manager *m = userdata; |
405 | Machine *machine; | |
406 | const char *name; | |
c3350683 | 407 | int r; |
1ee306e1 | 408 | |
c3350683 LP |
409 | assert(bus); |
410 | assert(message); | |
411 | assert(m); | |
1ee306e1 | 412 | |
878cd7e9 | 413 | r = sd_bus_message_read(message, "s", &name); |
c3350683 | 414 | if (r < 0) |
ebcf1f97 | 415 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 416 | |
c3350683 LP |
417 | machine = hashmap_get(m->machines, name); |
418 | if (!machine) | |
ebcf1f97 | 419 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
1ee306e1 | 420 | |
878cd7e9 LP |
421 | return bus_machine_method_kill(bus, message, machine, error); |
422 | } | |
423 | ||
424 | static int method_get_machine_addresses(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
425 | Manager *m = userdata; | |
426 | Machine *machine; | |
427 | const char *name; | |
428 | int r; | |
429 | ||
430 | assert(bus); | |
431 | assert(message); | |
432 | assert(m); | |
433 | ||
434 | r = sd_bus_message_read(message, "s", &name); | |
c3350683 | 435 | if (r < 0) |
ebcf1f97 | 436 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 437 | |
878cd7e9 LP |
438 | machine = hashmap_get(m->machines, name); |
439 | if (!machine) | |
440 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
441 | ||
442 | return bus_machine_method_get_addresses(bus, message, machine, error); | |
c3350683 | 443 | } |
1ee306e1 | 444 | |
717603e3 LP |
445 | static int method_get_machine_os_release(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
446 | Manager *m = userdata; | |
447 | Machine *machine; | |
448 | const char *name; | |
449 | int r; | |
450 | ||
451 | assert(bus); | |
452 | assert(message); | |
453 | assert(m); | |
454 | ||
455 | r = sd_bus_message_read(message, "s", &name); | |
456 | if (r < 0) | |
457 | return sd_bus_error_set_errno(error, r); | |
458 | ||
459 | machine = hashmap_get(m->machines, name); | |
460 | if (!machine) | |
461 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
462 | ||
463 | return bus_machine_method_get_os_release(bus, message, machine, error); | |
464 | } | |
465 | ||
cd61c3bf LP |
466 | static int method_list_images(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
467 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
468 | _cleanup_(image_hashmap_freep) Hashmap *images = NULL; | |
469 | Manager *m = userdata; | |
470 | Image *image; | |
471 | Iterator i; | |
472 | int r; | |
473 | ||
474 | assert(bus); | |
475 | assert(message); | |
476 | assert(m); | |
477 | ||
478 | images = hashmap_new(&string_hash_ops); | |
479 | if (!images) | |
480 | return -ENOMEM; | |
481 | ||
482 | r = image_discover(images); | |
483 | if (r < 0) | |
484 | return r; | |
485 | ||
486 | r = sd_bus_message_new_method_return(message, &reply); | |
487 | if (r < 0) | |
488 | return r; | |
489 | ||
10f9c755 | 490 | r = sd_bus_message_open_container(reply, 'a', "(ssbtto)"); |
cd61c3bf LP |
491 | if (r < 0) |
492 | return r; | |
493 | ||
494 | HASHMAP_FOREACH(image, images, i) { | |
495 | _cleanup_free_ char *p = NULL; | |
496 | ||
497 | p = image_bus_path(image->name); | |
498 | if (!p) | |
499 | return -ENOMEM; | |
500 | ||
10f9c755 | 501 | r = sd_bus_message_append(reply, "(ssbtto)", |
cd61c3bf LP |
502 | image->name, |
503 | image_type_to_string(image->type), | |
504 | image->read_only, | |
10f9c755 LP |
505 | image->crtime, |
506 | image->mtime, | |
cd61c3bf LP |
507 | p); |
508 | if (r < 0) | |
509 | return r; | |
510 | } | |
511 | ||
512 | r = sd_bus_message_close_container(reply); | |
513 | if (r < 0) | |
514 | return r; | |
515 | ||
516 | return sd_bus_send(bus, reply, NULL); | |
517 | } | |
518 | ||
40205d70 LP |
519 | static int method_open_machine_pty(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
520 | Manager *m = userdata; | |
521 | Machine *machine; | |
522 | const char *name; | |
523 | int r; | |
524 | ||
525 | assert(bus); | |
526 | assert(message); | |
527 | assert(m); | |
528 | ||
529 | r = sd_bus_message_read(message, "s", &name); | |
530 | if (r < 0) | |
531 | return sd_bus_error_set_errno(error, r); | |
532 | ||
533 | machine = hashmap_get(m->machines, name); | |
534 | if (!machine) | |
535 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
536 | ||
537 | return bus_machine_method_open_pty(bus, message, machine, error); | |
538 | } | |
539 | ||
5f8cc96a LP |
540 | static int method_open_machine_login(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
541 | Manager *m = userdata; | |
542 | Machine *machine; | |
543 | const char *name; | |
544 | int r; | |
545 | ||
546 | assert(bus); | |
547 | assert(message); | |
548 | assert(m); | |
549 | ||
550 | r = sd_bus_message_read(message, "s", &name); | |
551 | if (r < 0) | |
552 | return sd_bus_error_set_errno(error, r); | |
553 | ||
554 | machine = hashmap_get(m->machines, name); | |
555 | if (!machine) | |
556 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
557 | ||
558 | return bus_machine_method_open_login(bus, message, machine, error); | |
559 | } | |
560 | ||
c3350683 LP |
561 | const sd_bus_vtable manager_vtable[] = { |
562 | SD_BUS_VTABLE_START(0), | |
adacb957 | 563 | SD_BUS_METHOD("GetMachine", "s", "o", method_get_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
c2ce6a3d | 564 | SD_BUS_METHOD("GetImage", "s", "o", method_get_image, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
565 | SD_BUS_METHOD("GetMachineByPID", "u", "o", method_get_machine_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), |
566 | SD_BUS_METHOD("ListMachines", NULL, "a(ssso)", method_list_machines, SD_BUS_VTABLE_UNPRIVILEGED), | |
10f9c755 | 567 | SD_BUS_METHOD("ListImages", NULL, "a(ssbtto)", method_list_images, SD_BUS_VTABLE_UNPRIVILEGED), |
c3350683 | 568 | SD_BUS_METHOD("CreateMachine", "sayssusa(sv)", "o", method_create_machine, 0), |
9b5ed6fe | 569 | SD_BUS_METHOD("CreateMachineWithNetwork", "sayssusaia(sv)", "o", method_create_machine_with_network, 0), |
8d07a7c4 | 570 | SD_BUS_METHOD("RegisterMachine", "sayssus", "o", method_register_machine, 0), |
9b5ed6fe | 571 | SD_BUS_METHOD("RegisterMachineWithNetwork", "sayssusai", "o", method_register_machine_with_network, 0), |
adacb957 LP |
572 | SD_BUS_METHOD("KillMachine", "ssi", NULL, method_kill_machine, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)), |
573 | SD_BUS_METHOD("TerminateMachine", "s", NULL, method_terminate_machine, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)), | |
3a6fb33c | 574 | SD_BUS_METHOD("GetMachineAddresses", "s", "a(iay)", method_get_machine_addresses, SD_BUS_VTABLE_UNPRIVILEGED), |
717603e3 | 575 | SD_BUS_METHOD("GetMachineOSRelease", "s", "a{ss}", method_get_machine_os_release, SD_BUS_VTABLE_UNPRIVILEGED), |
40205d70 | 576 | SD_BUS_METHOD("OpenMachinePTY", "s", "hs", method_open_machine_pty, 0), |
d04c1fb8 | 577 | SD_BUS_METHOD("OpenMachineLogin", "s", "hs", method_open_machine_login, SD_BUS_VTABLE_UNPRIVILEGED), |
c3350683 LP |
578 | SD_BUS_SIGNAL("MachineNew", "so", 0), |
579 | SD_BUS_SIGNAL("MachineRemoved", "so", 0), | |
580 | SD_BUS_VTABLE_END | |
581 | }; | |
1ee306e1 | 582 | |
ebcf1f97 | 583 | int match_job_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 584 | const char *path, *result, *unit; |
1ee306e1 | 585 | Manager *m = userdata; |
c3350683 LP |
586 | Machine *machine; |
587 | uint32_t id; | |
588 | int r; | |
1ee306e1 | 589 | |
c3350683 | 590 | assert(bus); |
1ee306e1 | 591 | assert(message); |
c3350683 | 592 | assert(m); |
1ee306e1 | 593 | |
c3350683 LP |
594 | r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result); |
595 | if (r < 0) { | |
ebcf1f97 LP |
596 | bus_log_parse_error(r); |
597 | return r; | |
c3350683 | 598 | } |
6797c324 | 599 | |
c3350683 LP |
600 | machine = hashmap_get(m->machine_units, unit); |
601 | if (!machine) | |
602 | return 0; | |
6797c324 | 603 | |
c3350683 LP |
604 | if (streq_ptr(path, machine->scope_job)) { |
605 | free(machine->scope_job); | |
606 | machine->scope_job = NULL; | |
6797c324 | 607 | |
c3350683 LP |
608 | if (machine->started) { |
609 | if (streq(result, "done")) | |
610 | machine_send_create_reply(machine, NULL); | |
611 | else { | |
ebcf1f97 | 612 | _cleanup_bus_error_free_ sd_bus_error e = SD_BUS_ERROR_NULL; |
6797c324 | 613 | |
ebcf1f97 | 614 | sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result); |
6797c324 | 615 | |
ebcf1f97 | 616 | machine_send_create_reply(machine, &e); |
c3350683 LP |
617 | } |
618 | } else | |
619 | machine_save(machine); | |
1ee306e1 LP |
620 | } |
621 | ||
c3350683 LP |
622 | machine_add_to_gc_queue(machine); |
623 | return 0; | |
1ee306e1 LP |
624 | } |
625 | ||
ebcf1f97 | 626 | int match_properties_changed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
627 | _cleanup_free_ char *unit = NULL; |
628 | Manager *m = userdata; | |
629 | Machine *machine; | |
630 | const char *path; | |
ebcf1f97 | 631 | int r; |
554604b3 | 632 | |
c3350683 LP |
633 | assert(bus); |
634 | assert(message); | |
635 | assert(m); | |
554604b3 | 636 | |
c3350683 LP |
637 | path = sd_bus_message_get_path(message); |
638 | if (!path) | |
554604b3 | 639 | return 0; |
554604b3 | 640 | |
ebcf1f97 LP |
641 | r = unit_name_from_dbus_path(path, &unit); |
642 | if (r < 0) | |
643 | return r; | |
554604b3 | 644 | |
c3350683 LP |
645 | machine = hashmap_get(m->machine_units, unit); |
646 | if (machine) | |
647 | machine_add_to_gc_queue(machine); | |
554604b3 | 648 | |
c3350683 LP |
649 | return 0; |
650 | } | |
554604b3 | 651 | |
ebcf1f97 | 652 | int match_unit_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
653 | const char *path, *unit; |
654 | Manager *m = userdata; | |
655 | Machine *machine; | |
656 | int r; | |
554604b3 | 657 | |
c3350683 LP |
658 | assert(bus); |
659 | assert(message); | |
660 | assert(m); | |
554604b3 | 661 | |
c3350683 LP |
662 | r = sd_bus_message_read(message, "so", &unit, &path); |
663 | if (r < 0) { | |
ebcf1f97 LP |
664 | bus_log_parse_error(r); |
665 | return r; | |
554604b3 LP |
666 | } |
667 | ||
c3350683 LP |
668 | machine = hashmap_get(m->machine_units, unit); |
669 | if (machine) | |
670 | machine_add_to_gc_queue(machine); | |
554604b3 | 671 | |
c3350683 LP |
672 | return 0; |
673 | } | |
554604b3 | 674 | |
ebcf1f97 | 675 | int match_reloading(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 676 | Manager *m = userdata; |
a658cafa LP |
677 | Machine *machine; |
678 | Iterator i; | |
c3350683 | 679 | int b, r; |
554604b3 | 680 | |
c3350683 | 681 | assert(bus); |
554604b3 | 682 | |
c3350683 LP |
683 | r = sd_bus_message_read(message, "b", &b); |
684 | if (r < 0) { | |
ebcf1f97 LP |
685 | bus_log_parse_error(r); |
686 | return r; | |
554604b3 | 687 | } |
a658cafa LP |
688 | if (b) |
689 | return 0; | |
554604b3 | 690 | |
a658cafa LP |
691 | /* systemd finished reloading, let's recheck all our machines */ |
692 | log_debug("System manager has been reloaded, rechecking machines..."); | |
554604b3 | 693 | |
a658cafa LP |
694 | HASHMAP_FOREACH(machine, m->machines, i) |
695 | machine_add_to_gc_queue(machine); | |
554604b3 LP |
696 | |
697 | return 0; | |
698 | } | |
699 | ||
1ee306e1 LP |
700 | int manager_start_scope( |
701 | Manager *manager, | |
702 | const char *scope, | |
703 | pid_t pid, | |
704 | const char *slice, | |
705 | const char *description, | |
c3350683 LP |
706 | sd_bus_message *more_properties, |
707 | sd_bus_error *error, | |
1ee306e1 LP |
708 | char **job) { |
709 | ||
c3350683 | 710 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL; |
554604b3 | 711 | int r; |
1ee306e1 LP |
712 | |
713 | assert(manager); | |
714 | assert(scope); | |
715 | assert(pid > 1); | |
716 | ||
c3350683 LP |
717 | r = sd_bus_message_new_method_call( |
718 | manager->bus, | |
151b9b96 | 719 | &m, |
1ee306e1 LP |
720 | "org.freedesktop.systemd1", |
721 | "/org/freedesktop/systemd1", | |
722 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 723 | "StartTransientUnit"); |
c3350683 LP |
724 | if (r < 0) |
725 | return r; | |
1ee306e1 | 726 | |
a658cafa | 727 | r = sd_bus_message_append(m, "ss", strempty(scope), "fail"); |
c3350683 LP |
728 | if (r < 0) |
729 | return r; | |
1ee306e1 | 730 | |
c3350683 LP |
731 | r = sd_bus_message_open_container(m, 'a', "(sv)"); |
732 | if (r < 0) | |
733 | return r; | |
1ee306e1 LP |
734 | |
735 | if (!isempty(slice)) { | |
c3350683 LP |
736 | r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice); |
737 | if (r < 0) | |
738 | return r; | |
1ee306e1 LP |
739 | } |
740 | ||
741 | if (!isempty(description)) { | |
c3350683 LP |
742 | r = sd_bus_message_append(m, "(sv)", "Description", "s", description); |
743 | if (r < 0) | |
744 | return r; | |
1ee306e1 LP |
745 | } |
746 | ||
c3350683 LP |
747 | r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid); |
748 | if (r < 0) | |
749 | return r; | |
554604b3 | 750 | |
a931ad47 LP |
751 | r = sd_bus_message_append(m, "(sv)", "Delegate", "b", 1); |
752 | if (r < 0) | |
753 | return r; | |
754 | ||
554604b3 | 755 | if (more_properties) { |
c3350683 | 756 | r = sd_bus_message_copy(m, more_properties, true); |
554604b3 LP |
757 | if (r < 0) |
758 | return r; | |
759 | } | |
760 | ||
c3350683 LP |
761 | r = sd_bus_message_close_container(m); |
762 | if (r < 0) | |
763 | return r; | |
1ee306e1 | 764 | |
86b8d289 LP |
765 | r = sd_bus_message_append(m, "a(sa(sv))", 0); |
766 | if (r < 0) | |
767 | return r; | |
768 | ||
c49b30a2 | 769 | r = sd_bus_call(manager->bus, m, 0, error, &reply); |
c3350683 LP |
770 | if (r < 0) |
771 | return r; | |
1ee306e1 LP |
772 | |
773 | if (job) { | |
774 | const char *j; | |
775 | char *copy; | |
776 | ||
c3350683 LP |
777 | r = sd_bus_message_read(reply, "o", &j); |
778 | if (r < 0) | |
779 | return r; | |
1ee306e1 LP |
780 | |
781 | copy = strdup(j); | |
782 | if (!copy) | |
783 | return -ENOMEM; | |
784 | ||
785 | *job = copy; | |
786 | } | |
787 | ||
c3350683 | 788 | return 1; |
1ee306e1 LP |
789 | } |
790 | ||
c3350683 LP |
791 | int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { |
792 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
1ee306e1 LP |
793 | int r; |
794 | ||
795 | assert(manager); | |
796 | assert(unit); | |
797 | ||
c3350683 | 798 | r = sd_bus_call_method( |
1ee306e1 LP |
799 | manager->bus, |
800 | "org.freedesktop.systemd1", | |
801 | "/org/freedesktop/systemd1", | |
802 | "org.freedesktop.systemd1.Manager", | |
803 | "StopUnit", | |
1ee306e1 | 804 | error, |
c3350683 LP |
805 | &reply, |
806 | "ss", unit, "fail"); | |
1ee306e1 | 807 | if (r < 0) { |
c3350683 LP |
808 | if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) || |
809 | sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) { | |
6797c324 LP |
810 | |
811 | if (job) | |
812 | *job = NULL; | |
813 | ||
c3350683 | 814 | sd_bus_error_free(error); |
6797c324 LP |
815 | return 0; |
816 | } | |
817 | ||
1ee306e1 LP |
818 | return r; |
819 | } | |
820 | ||
821 | if (job) { | |
822 | const char *j; | |
823 | char *copy; | |
824 | ||
c3350683 LP |
825 | r = sd_bus_message_read(reply, "o", &j); |
826 | if (r < 0) | |
827 | return r; | |
1ee306e1 LP |
828 | |
829 | copy = strdup(j); | |
830 | if (!copy) | |
831 | return -ENOMEM; | |
832 | ||
833 | *job = copy; | |
834 | } | |
835 | ||
6797c324 | 836 | return 1; |
1ee306e1 LP |
837 | } |
838 | ||
de58a50e | 839 | int manager_kill_unit(Manager *manager, const char *unit, int signo, sd_bus_error *error) { |
1ee306e1 LP |
840 | assert(manager); |
841 | assert(unit); | |
842 | ||
a658cafa | 843 | return sd_bus_call_method( |
1ee306e1 LP |
844 | manager->bus, |
845 | "org.freedesktop.systemd1", | |
846 | "/org/freedesktop/systemd1", | |
847 | "org.freedesktop.systemd1.Manager", | |
848 | "KillUnit", | |
1ee306e1 | 849 | error, |
a658cafa | 850 | NULL, |
de58a50e | 851 | "ssi", unit, "all", signo); |
1ee306e1 LP |
852 | } |
853 | ||
854 | int manager_unit_is_active(Manager *manager, const char *unit) { | |
c3350683 LP |
855 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
856 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
1ee306e1 | 857 | _cleanup_free_ char *path = NULL; |
1ee306e1 | 858 | const char *state; |
1ee306e1 LP |
859 | int r; |
860 | ||
861 | assert(manager); | |
862 | assert(unit); | |
863 | ||
1ee306e1 LP |
864 | path = unit_dbus_path_from_name(unit); |
865 | if (!path) | |
866 | return -ENOMEM; | |
867 | ||
c3350683 | 868 | r = sd_bus_get_property( |
1ee306e1 LP |
869 | manager->bus, |
870 | "org.freedesktop.systemd1", | |
871 | path, | |
c3350683 LP |
872 | "org.freedesktop.systemd1.Unit", |
873 | "ActiveState", | |
1ee306e1 | 874 | &error, |
c3350683 LP |
875 | &reply, |
876 | "s"); | |
1ee306e1 | 877 | if (r < 0) { |
c3350683 LP |
878 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || |
879 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
6797c324 | 880 | return true; |
6797c324 | 881 | |
c3350683 LP |
882 | if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) || |
883 | sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED)) | |
6797c324 | 884 | return false; |
6797c324 | 885 | |
1ee306e1 LP |
886 | return r; |
887 | } | |
888 | ||
c3350683 LP |
889 | r = sd_bus_message_read(reply, "s", &state); |
890 | if (r < 0) | |
1ee306e1 | 891 | return -EINVAL; |
1ee306e1 LP |
892 | |
893 | return !streq(state, "inactive") && !streq(state, "failed"); | |
894 | } | |
bd16acf3 | 895 | |
c3350683 LP |
896 | int manager_job_is_active(Manager *manager, const char *path) { |
897 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
898 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
899 | int r; | |
bd16acf3 | 900 | |
c3350683 LP |
901 | assert(manager); |
902 | assert(path); | |
bd16acf3 | 903 | |
c3350683 LP |
904 | r = sd_bus_get_property( |
905 | manager->bus, | |
906 | "org.freedesktop.systemd1", | |
907 | path, | |
908 | "org.freedesktop.systemd1.Job", | |
909 | "State", | |
910 | &error, | |
911 | &reply, | |
912 | "s"); | |
913 | if (r < 0) { | |
914 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || | |
915 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
916 | return true; | |
bd16acf3 | 917 | |
c3350683 LP |
918 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT)) |
919 | return false; | |
bd16acf3 | 920 | |
bd16acf3 | 921 | return r; |
c3350683 | 922 | } |
bd16acf3 | 923 | |
c3350683 LP |
924 | /* We don't actually care about the state really. The fact |
925 | * that we could read the job state is enough for us */ | |
bd16acf3 | 926 | |
c3350683 | 927 | return true; |
bd16acf3 | 928 | } |
ab49725f KS |
929 | |
930 | int manager_get_machine_by_pid(Manager *m, pid_t pid, Machine **machine) { | |
931 | _cleanup_free_ char *unit = NULL; | |
932 | Machine *mm; | |
933 | int r; | |
934 | ||
935 | assert(m); | |
936 | assert(pid >= 1); | |
937 | assert(machine); | |
938 | ||
939 | r = cg_pid_get_unit(pid, &unit); | |
940 | if (r < 0) | |
941 | mm = hashmap_get(m->machine_leaders, UINT_TO_PTR(pid)); | |
942 | else | |
943 | mm = hashmap_get(m->machine_units, unit); | |
944 | ||
945 | if (!mm) | |
946 | return 0; | |
947 | ||
948 | *machine = mm; | |
949 | return 1; | |
950 | } | |
951 | ||
952 | int manager_add_machine(Manager *m, const char *name, Machine **_machine) { | |
953 | Machine *machine; | |
954 | ||
955 | assert(m); | |
956 | assert(name); | |
957 | ||
958 | machine = hashmap_get(m->machines, name); | |
959 | if (!machine) { | |
960 | machine = machine_new(m, name); | |
961 | if (!machine) | |
962 | return -ENOMEM; | |
963 | } | |
964 | ||
965 | if (_machine) | |
966 | *_machine = machine; | |
967 | ||
968 | return 0; | |
969 | } |