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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> | |
1ee306e1 | 25 | |
c3350683 | 26 | #include "sd-id128.h" |
9b420b3c | 27 | #include "strv.h" |
1ee306e1 | 28 | #include "path-util.h" |
1ee306e1 | 29 | #include "unit-name.h" |
c3350683 | 30 | #include "bus-util.h" |
96aad8d1 | 31 | #include "bus-common-errors.h" |
23c80348 | 32 | #include "cgroup-util.h" |
160e3793 | 33 | #include "btrfs-util.h" |
c01ff965 LP |
34 | #include "formats-util.h" |
35 | #include "process-util.h" | |
25300b5a | 36 | #include "hostname-util.h" |
003dffde | 37 | #include "machine-image.h" |
4cee5eed | 38 | #include "machine-pool.h" |
003dffde | 39 | #include "image-dbus.h" |
c3350683 | 40 | #include "machined.h" |
003dffde | 41 | #include "machine-dbus.h" |
1ee306e1 | 42 | |
160e3793 LP |
43 | static int property_get_pool_path( |
44 | sd_bus *bus, | |
45 | const char *path, | |
46 | const char *interface, | |
47 | const char *property, | |
48 | sd_bus_message *reply, | |
49 | void *userdata, | |
50 | sd_bus_error *error) { | |
51 | ||
52 | assert(bus); | |
53 | assert(reply); | |
54 | ||
55 | return sd_bus_message_append(reply, "s", "/var/lib/machines"); | |
56 | } | |
57 | ||
58 | static int property_get_pool_usage( | |
59 | sd_bus *bus, | |
60 | const char *path, | |
61 | const char *interface, | |
62 | const char *property, | |
63 | sd_bus_message *reply, | |
64 | void *userdata, | |
65 | sd_bus_error *error) { | |
66 | ||
67 | _cleanup_close_ int fd = -1; | |
68 | uint64_t usage = (uint64_t) -1; | |
69 | struct stat st; | |
70 | ||
71 | assert(bus); | |
72 | assert(reply); | |
73 | ||
74 | /* We try to read the quota info from /var/lib/machines, as | |
75 | * well as the usage of the loopback file | |
76 | * /var/lib/machines.raw, and pick the larger value. */ | |
77 | ||
78 | fd = open("/var/lib/machines", O_RDONLY|O_CLOEXEC|O_DIRECTORY); | |
79 | if (fd >= 0) { | |
80 | BtrfsQuotaInfo q; | |
81 | ||
82 | if (btrfs_subvol_get_quota_fd(fd, &q) >= 0) | |
cb81cd80 | 83 | usage = q.referenced; |
160e3793 LP |
84 | } |
85 | ||
86 | if (stat("/var/lib/machines.raw", &st) >= 0) { | |
87 | if (usage == (uint64_t) -1 || st.st_blocks * 512ULL > usage) | |
88 | usage = st.st_blocks * 512ULL; | |
89 | } | |
90 | ||
91 | return sd_bus_message_append(reply, "t", usage); | |
92 | } | |
93 | ||
94 | static int property_get_pool_limit( | |
95 | sd_bus *bus, | |
96 | const char *path, | |
97 | const char *interface, | |
98 | const char *property, | |
99 | sd_bus_message *reply, | |
100 | void *userdata, | |
101 | sd_bus_error *error) { | |
102 | ||
103 | _cleanup_close_ int fd = -1; | |
104 | uint64_t size = (uint64_t) -1; | |
105 | struct stat st; | |
106 | ||
107 | assert(bus); | |
108 | assert(reply); | |
109 | ||
110 | /* We try to read the quota limit from /var/lib/machines, as | |
111 | * well as the size of the loopback file | |
112 | * /var/lib/machines.raw, and pick the smaller value. */ | |
113 | ||
114 | fd = open("/var/lib/machines", O_RDONLY|O_CLOEXEC|O_DIRECTORY); | |
115 | if (fd >= 0) { | |
116 | BtrfsQuotaInfo q; | |
117 | ||
118 | if (btrfs_subvol_get_quota_fd(fd, &q) >= 0) | |
cb81cd80 | 119 | size = q.referenced_max; |
160e3793 LP |
120 | } |
121 | ||
122 | if (stat("/var/lib/machines.raw", &st) >= 0) { | |
123 | if (size == (uint64_t) -1 || (uint64_t) st.st_size < size) | |
124 | size = st.st_size; | |
125 | } | |
126 | ||
127 | return sd_bus_message_append(reply, "t", size); | |
128 | } | |
129 | ||
19070062 | 130 | static int method_get_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
131 | _cleanup_free_ char *p = NULL; |
132 | Manager *m = userdata; | |
133 | Machine *machine; | |
134 | const char *name; | |
135 | int r; | |
136 | ||
c3350683 LP |
137 | assert(message); |
138 | assert(m); | |
139 | ||
140 | r = sd_bus_message_read(message, "s", &name); | |
141 | if (r < 0) | |
ebcf1f97 | 142 | return r; |
c3350683 LP |
143 | |
144 | machine = hashmap_get(m->machines, name); | |
145 | if (!machine) | |
ebcf1f97 | 146 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
c3350683 LP |
147 | |
148 | p = machine_bus_path(machine); | |
149 | if (!p) | |
ebcf1f97 | 150 | return -ENOMEM; |
c3350683 | 151 | |
df2d202e | 152 | return sd_bus_reply_method_return(message, "o", p); |
c3350683 LP |
153 | } |
154 | ||
19070062 | 155 | static int method_get_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c2ce6a3d LP |
156 | _cleanup_free_ char *p = NULL; |
157 | Manager *m = userdata; | |
158 | const char *name; | |
159 | int r; | |
160 | ||
c2ce6a3d LP |
161 | assert(message); |
162 | assert(m); | |
163 | ||
164 | r = sd_bus_message_read(message, "s", &name); | |
165 | if (r < 0) | |
166 | return r; | |
167 | ||
168 | r = image_find(name, NULL); | |
169 | if (r == 0) | |
170 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
171 | if (r < 0) | |
172 | return r; | |
173 | ||
174 | p = image_bus_path(name); | |
175 | if (!p) | |
176 | return -ENOMEM; | |
177 | ||
178 | return sd_bus_reply_method_return(message, "o", p); | |
179 | } | |
180 | ||
19070062 | 181 | static int method_get_machine_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
182 | _cleanup_free_ char *p = NULL; |
183 | Manager *m = userdata; | |
184 | Machine *machine = NULL; | |
4e724d9c | 185 | pid_t pid; |
c3350683 LP |
186 | int r; |
187 | ||
c3350683 LP |
188 | assert(message); |
189 | assert(m); | |
190 | ||
4e724d9c LP |
191 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
192 | ||
c3350683 LP |
193 | r = sd_bus_message_read(message, "u", &pid); |
194 | if (r < 0) | |
ebcf1f97 | 195 | return r; |
c3350683 | 196 | |
4e724d9c | 197 | if (pid == 0) { |
5b12334d LP |
198 | _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; |
199 | ||
200 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
201 | if (r < 0) | |
202 | return r; | |
203 | ||
204 | r = sd_bus_creds_get_pid(creds, &pid); | |
4e724d9c | 205 | if (r < 0) |
ebcf1f97 | 206 | return r; |
4e724d9c LP |
207 | } |
208 | ||
c3350683 LP |
209 | r = manager_get_machine_by_pid(m, pid, &machine); |
210 | if (r < 0) | |
ebcf1f97 | 211 | return r; |
c3350683 | 212 | if (!machine) |
de0671ee | 213 | 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 |
214 | |
215 | p = machine_bus_path(machine); | |
216 | if (!p) | |
ebcf1f97 | 217 | return -ENOMEM; |
c3350683 | 218 | |
df2d202e | 219 | return sd_bus_reply_method_return(message, "o", p); |
c3350683 LP |
220 | } |
221 | ||
19070062 | 222 | static int method_list_machines(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
223 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; |
224 | Manager *m = userdata; | |
225 | Machine *machine; | |
226 | Iterator i; | |
227 | int r; | |
228 | ||
c3350683 LP |
229 | assert(message); |
230 | assert(m); | |
231 | ||
df2d202e | 232 | r = sd_bus_message_new_method_return(message, &reply); |
c3350683 | 233 | if (r < 0) |
ebcf1f97 | 234 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
235 | |
236 | r = sd_bus_message_open_container(reply, 'a', "(ssso)"); | |
237 | if (r < 0) | |
ebcf1f97 | 238 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
239 | |
240 | HASHMAP_FOREACH(machine, m->machines, i) { | |
241 | _cleanup_free_ char *p = NULL; | |
242 | ||
243 | p = machine_bus_path(machine); | |
244 | if (!p) | |
ebcf1f97 | 245 | return -ENOMEM; |
c3350683 LP |
246 | |
247 | r = sd_bus_message_append(reply, "(ssso)", | |
248 | machine->name, | |
249 | strempty(machine_class_to_string(machine->class)), | |
250 | machine->service, | |
251 | p); | |
252 | if (r < 0) | |
ebcf1f97 | 253 | return sd_bus_error_set_errno(error, r); |
c3350683 | 254 | } |
1ee306e1 | 255 | |
c3350683 LP |
256 | r = sd_bus_message_close_container(reply); |
257 | if (r < 0) | |
ebcf1f97 | 258 | return sd_bus_error_set_errno(error, r); |
c3350683 | 259 | |
9030ca46 | 260 | return sd_bus_send(NULL, reply, NULL); |
c3350683 LP |
261 | } |
262 | ||
9b5ed6fe | 263 | static int method_create_or_register_machine(Manager *manager, sd_bus_message *message, bool read_network, Machine **_m, sd_bus_error *error) { |
8aec412f | 264 | const char *name, *service, *class, *root_directory; |
9b5ed6fe | 265 | const int32_t *netif = NULL; |
1ee306e1 LP |
266 | MachineClass c; |
267 | uint32_t leader; | |
268 | sd_id128_t id; | |
c3350683 | 269 | const void *v; |
1ee306e1 | 270 | Machine *m; |
9b5ed6fe | 271 | size_t n, n_netif = 0; |
c3350683 | 272 | int r; |
1ee306e1 | 273 | |
c3350683 | 274 | assert(manager); |
89f7c846 LP |
275 | assert(message); |
276 | assert(_m); | |
1ee306e1 | 277 | |
c3350683 LP |
278 | r = sd_bus_message_read(message, "s", &name); |
279 | if (r < 0) | |
ebcf1f97 | 280 | return r; |
7f0d207d | 281 | if (!machine_name_is_valid(name)) |
ebcf1f97 | 282 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine name"); |
1ee306e1 | 283 | |
c3350683 LP |
284 | r = sd_bus_message_read_array(message, 'y', &v, &n); |
285 | if (r < 0) | |
ebcf1f97 | 286 | return r; |
1ee306e1 LP |
287 | if (n == 0) |
288 | id = SD_ID128_NULL; | |
289 | else if (n == 16) | |
290 | memcpy(&id, v, n); | |
291 | else | |
ebcf1f97 | 292 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine ID parameter"); |
1ee306e1 | 293 | |
c3350683 LP |
294 | r = sd_bus_message_read(message, "ssus", &service, &class, &leader, &root_directory); |
295 | if (r < 0) | |
ebcf1f97 | 296 | return r; |
1ee306e1 | 297 | |
9b5ed6fe LP |
298 | if (read_network) { |
299 | size_t i; | |
300 | ||
301 | r = sd_bus_message_read_array(message, 'i', (const void**) &netif, &n_netif); | |
302 | if (r < 0) | |
303 | return r; | |
304 | ||
305 | n_netif /= sizeof(int32_t); | |
306 | ||
307 | for (i = 0; i < n_netif; i++) { | |
308 | if (netif[i] <= 0) | |
309 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid network interface index %i", netif[i]); | |
310 | } | |
311 | } | |
312 | ||
1ee306e1 LP |
313 | if (isempty(class)) |
314 | c = _MACHINE_CLASS_INVALID; | |
315 | else { | |
316 | c = machine_class_from_string(class); | |
317 | if (c < 0) | |
ebcf1f97 | 318 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine class parameter"); |
1ee306e1 LP |
319 | } |
320 | ||
c3350683 | 321 | if (leader == 1) |
ebcf1f97 | 322 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID"); |
1ee306e1 | 323 | |
c3350683 | 324 | if (!isempty(root_directory) && !path_is_absolute(root_directory)) |
ebcf1f97 | 325 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Root directory must be empty or an absolute path"); |
1ee306e1 | 326 | |
c3350683 | 327 | if (leader == 0) { |
5b12334d LP |
328 | _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; |
329 | ||
330 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
331 | if (r < 0) | |
332 | return r; | |
333 | ||
c3350683 | 334 | assert_cc(sizeof(uint32_t) == sizeof(pid_t)); |
554604b3 | 335 | |
5b12334d | 336 | r = sd_bus_creds_get_pid(creds, (pid_t*) &leader); |
c3350683 | 337 | if (r < 0) |
ebcf1f97 | 338 | return r; |
c3350683 | 339 | } |
554604b3 | 340 | |
1ee306e1 | 341 | if (hashmap_get(manager->machines, name)) |
ebcf1f97 | 342 | return sd_bus_error_setf(error, BUS_ERROR_MACHINE_EXISTS, "Machine '%s' already exists", name); |
1ee306e1 LP |
343 | |
344 | r = manager_add_machine(manager, name, &m); | |
345 | if (r < 0) | |
ebcf1f97 | 346 | return r; |
1ee306e1 LP |
347 | |
348 | m->leader = leader; | |
349 | m->class = c; | |
350 | m->id = id; | |
351 | ||
352 | if (!isempty(service)) { | |
353 | m->service = strdup(service); | |
354 | if (!m->service) { | |
ebcf1f97 | 355 | r = -ENOMEM; |
1ee306e1 LP |
356 | goto fail; |
357 | } | |
358 | } | |
359 | ||
360 | if (!isempty(root_directory)) { | |
361 | m->root_directory = strdup(root_directory); | |
362 | if (!m->root_directory) { | |
ebcf1f97 | 363 | r = -ENOMEM; |
1ee306e1 LP |
364 | goto fail; |
365 | } | |
366 | } | |
367 | ||
9b5ed6fe LP |
368 | if (n_netif > 0) { |
369 | assert_cc(sizeof(int32_t) == sizeof(int)); | |
370 | m->netif = memdup(netif, sizeof(int32_t) * n_netif); | |
371 | if (!m->netif) { | |
372 | r = -ENOMEM; | |
373 | goto fail; | |
374 | } | |
375 | ||
376 | m->n_netif = n_netif; | |
377 | } | |
378 | ||
89f7c846 LP |
379 | *_m = m; |
380 | ||
381 | return 1; | |
382 | ||
383 | fail: | |
384 | machine_add_to_gc_queue(m); | |
385 | return r; | |
386 | } | |
387 | ||
19070062 | 388 | static int method_create_machine_internal(sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) { |
89f7c846 LP |
389 | Manager *manager = userdata; |
390 | Machine *m = NULL; | |
391 | int r; | |
392 | ||
19070062 LP |
393 | assert(message); |
394 | assert(manager); | |
395 | ||
9b5ed6fe | 396 | r = method_create_or_register_machine(manager, message, read_network, &m, error); |
89f7c846 LP |
397 | if (r < 0) |
398 | return r; | |
399 | ||
400 | r = sd_bus_message_enter_container(message, 'a', "(sv)"); | |
401 | if (r < 0) | |
402 | goto fail; | |
403 | ||
ebcf1f97 LP |
404 | r = machine_start(m, message, error); |
405 | if (r < 0) | |
1ee306e1 LP |
406 | goto fail; |
407 | ||
c3350683 | 408 | m->create_message = sd_bus_message_ref(message); |
c3350683 | 409 | return 1; |
1ee306e1 LP |
410 | |
411 | fail: | |
a3e7f417 | 412 | machine_add_to_gc_queue(m); |
89f7c846 LP |
413 | return r; |
414 | } | |
1ee306e1 | 415 | |
19070062 LP |
416 | static int method_create_machine_with_network(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
417 | return method_create_machine_internal(message, true, userdata, error); | |
9b5ed6fe LP |
418 | } |
419 | ||
19070062 LP |
420 | static int method_create_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
421 | return method_create_machine_internal(message, false, userdata, error); | |
9b5ed6fe LP |
422 | } |
423 | ||
19070062 | 424 | static int method_register_machine_internal(sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) { |
89f7c846 LP |
425 | Manager *manager = userdata; |
426 | _cleanup_free_ char *p = NULL; | |
427 | Machine *m = NULL; | |
428 | int r; | |
429 | ||
19070062 LP |
430 | assert(message); |
431 | assert(manager); | |
432 | ||
9b5ed6fe | 433 | r = method_create_or_register_machine(manager, message, read_network, &m, error); |
89f7c846 LP |
434 | if (r < 0) |
435 | return r; | |
436 | ||
437 | r = cg_pid_get_unit(m->leader, &m->unit); | |
438 | if (r < 0) { | |
439 | r = sd_bus_error_set_errnof(error, r, "Failed to determine unit of process "PID_FMT" : %s", m->leader, strerror(-r)); | |
440 | goto fail; | |
441 | } | |
442 | ||
443 | r = machine_start(m, NULL, error); | |
444 | if (r < 0) | |
445 | goto fail; | |
446 | ||
447 | p = machine_bus_path(m); | |
448 | if (!p) { | |
449 | r = -ENOMEM; | |
450 | goto fail; | |
451 | } | |
452 | ||
453 | return sd_bus_reply_method_return(message, "o", p); | |
454 | ||
455 | fail: | |
456 | machine_add_to_gc_queue(m); | |
1ee306e1 LP |
457 | return r; |
458 | } | |
459 | ||
19070062 LP |
460 | static int method_register_machine_with_network(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
461 | return method_register_machine_internal(message, true, userdata, error); | |
9b5ed6fe LP |
462 | } |
463 | ||
19070062 LP |
464 | static int method_register_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
465 | return method_register_machine_internal(message, false, userdata, error); | |
9b5ed6fe LP |
466 | } |
467 | ||
19070062 | 468 | static int method_terminate_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1ee306e1 | 469 | Manager *m = userdata; |
c3350683 LP |
470 | Machine *machine; |
471 | const char *name; | |
1ee306e1 LP |
472 | int r; |
473 | ||
1ee306e1 LP |
474 | assert(message); |
475 | assert(m); | |
476 | ||
c3350683 LP |
477 | r = sd_bus_message_read(message, "s", &name); |
478 | if (r < 0) | |
ebcf1f97 | 479 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 480 | |
c3350683 LP |
481 | machine = hashmap_get(m->machines, name); |
482 | if (!machine) | |
ebcf1f97 | 483 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
1ee306e1 | 484 | |
19070062 | 485 | return bus_machine_method_terminate(message, machine, error); |
c3350683 | 486 | } |
1ee306e1 | 487 | |
19070062 | 488 | static int method_kill_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
489 | Manager *m = userdata; |
490 | Machine *machine; | |
491 | const char *name; | |
c3350683 | 492 | int r; |
1ee306e1 | 493 | |
c3350683 LP |
494 | assert(message); |
495 | assert(m); | |
1ee306e1 | 496 | |
878cd7e9 | 497 | r = sd_bus_message_read(message, "s", &name); |
c3350683 | 498 | if (r < 0) |
ebcf1f97 | 499 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 500 | |
c3350683 LP |
501 | machine = hashmap_get(m->machines, name); |
502 | if (!machine) | |
ebcf1f97 | 503 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
1ee306e1 | 504 | |
19070062 | 505 | return bus_machine_method_kill(message, machine, error); |
878cd7e9 LP |
506 | } |
507 | ||
19070062 | 508 | static int method_get_machine_addresses(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
878cd7e9 LP |
509 | Manager *m = userdata; |
510 | Machine *machine; | |
511 | const char *name; | |
512 | int r; | |
513 | ||
878cd7e9 LP |
514 | assert(message); |
515 | assert(m); | |
516 | ||
517 | r = sd_bus_message_read(message, "s", &name); | |
c3350683 | 518 | if (r < 0) |
ebcf1f97 | 519 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 520 | |
878cd7e9 LP |
521 | machine = hashmap_get(m->machines, name); |
522 | if (!machine) | |
523 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
524 | ||
19070062 | 525 | return bus_machine_method_get_addresses(message, machine, error); |
c3350683 | 526 | } |
1ee306e1 | 527 | |
19070062 | 528 | static int method_get_machine_os_release(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
717603e3 LP |
529 | Manager *m = userdata; |
530 | Machine *machine; | |
531 | const char *name; | |
532 | int r; | |
533 | ||
717603e3 LP |
534 | assert(message); |
535 | assert(m); | |
536 | ||
537 | r = sd_bus_message_read(message, "s", &name); | |
538 | if (r < 0) | |
539 | return sd_bus_error_set_errno(error, r); | |
540 | ||
541 | machine = hashmap_get(m->machines, name); | |
542 | if (!machine) | |
543 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
544 | ||
19070062 | 545 | return bus_machine_method_get_os_release(message, machine, error); |
717603e3 LP |
546 | } |
547 | ||
19070062 | 548 | static int method_list_images(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cd61c3bf LP |
549 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; |
550 | _cleanup_(image_hashmap_freep) Hashmap *images = NULL; | |
551 | Manager *m = userdata; | |
552 | Image *image; | |
553 | Iterator i; | |
554 | int r; | |
555 | ||
cd61c3bf LP |
556 | assert(message); |
557 | assert(m); | |
558 | ||
559 | images = hashmap_new(&string_hash_ops); | |
560 | if (!images) | |
561 | return -ENOMEM; | |
562 | ||
563 | r = image_discover(images); | |
564 | if (r < 0) | |
565 | return r; | |
566 | ||
567 | r = sd_bus_message_new_method_return(message, &reply); | |
568 | if (r < 0) | |
569 | return r; | |
570 | ||
b6b18498 | 571 | r = sd_bus_message_open_container(reply, 'a', "(ssbttto)"); |
cd61c3bf LP |
572 | if (r < 0) |
573 | return r; | |
574 | ||
575 | HASHMAP_FOREACH(image, images, i) { | |
576 | _cleanup_free_ char *p = NULL; | |
577 | ||
578 | p = image_bus_path(image->name); | |
579 | if (!p) | |
580 | return -ENOMEM; | |
581 | ||
b6b18498 | 582 | r = sd_bus_message_append(reply, "(ssbttto)", |
cd61c3bf LP |
583 | image->name, |
584 | image_type_to_string(image->type), | |
585 | image->read_only, | |
10f9c755 LP |
586 | image->crtime, |
587 | image->mtime, | |
c19de711 | 588 | image->usage, |
cd61c3bf LP |
589 | p); |
590 | if (r < 0) | |
591 | return r; | |
592 | } | |
593 | ||
594 | r = sd_bus_message_close_container(reply); | |
595 | if (r < 0) | |
596 | return r; | |
597 | ||
9030ca46 | 598 | return sd_bus_send(NULL, reply, NULL); |
cd61c3bf LP |
599 | } |
600 | ||
19070062 | 601 | static int method_open_machine_pty(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
40205d70 LP |
602 | Manager *m = userdata; |
603 | Machine *machine; | |
604 | const char *name; | |
605 | int r; | |
606 | ||
40205d70 LP |
607 | assert(message); |
608 | assert(m); | |
609 | ||
610 | r = sd_bus_message_read(message, "s", &name); | |
611 | if (r < 0) | |
612 | return sd_bus_error_set_errno(error, r); | |
613 | ||
614 | machine = hashmap_get(m->machines, name); | |
615 | if (!machine) | |
616 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
617 | ||
19070062 | 618 | return bus_machine_method_open_pty(message, machine, error); |
40205d70 LP |
619 | } |
620 | ||
19070062 | 621 | static int method_open_machine_login(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
5f8cc96a LP |
622 | Manager *m = userdata; |
623 | Machine *machine; | |
624 | const char *name; | |
625 | int r; | |
626 | ||
5f8cc96a LP |
627 | assert(message); |
628 | assert(m); | |
629 | ||
630 | r = sd_bus_message_read(message, "s", &name); | |
631 | if (r < 0) | |
08682124 | 632 | return r; |
5f8cc96a LP |
633 | |
634 | machine = hashmap_get(m->machines, name); | |
635 | if (!machine) | |
636 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
637 | ||
19070062 | 638 | return bus_machine_method_open_login(message, machine, error); |
5f8cc96a LP |
639 | } |
640 | ||
49af9e13 LP |
641 | static int method_open_machine_shell(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
642 | Manager *m = userdata; | |
643 | Machine *machine; | |
644 | const char *name; | |
645 | ||
646 | int r; | |
647 | ||
648 | assert(message); | |
649 | assert(m); | |
650 | ||
651 | r = sd_bus_message_read(message, "s", &name); | |
652 | if (r < 0) | |
653 | return r; | |
654 | ||
655 | machine = hashmap_get(m->machines, name); | |
656 | if (!machine) | |
657 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
658 | ||
659 | return bus_machine_method_open_shell(message, machine, error); | |
660 | } | |
661 | ||
19070062 | 662 | static int method_bind_mount_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
90adaa25 LP |
663 | Manager *m = userdata; |
664 | Machine *machine; | |
665 | const char *name; | |
666 | int r; | |
667 | ||
90adaa25 LP |
668 | assert(message); |
669 | assert(m); | |
670 | ||
671 | r = sd_bus_message_read(message, "s", &name); | |
672 | if (r < 0) | |
673 | return r; | |
674 | ||
675 | machine = hashmap_get(m->machines, name); | |
676 | if (!machine) | |
677 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
678 | ||
19070062 | 679 | return bus_machine_method_bind_mount(message, machine, error); |
90adaa25 LP |
680 | } |
681 | ||
19070062 | 682 | static int method_copy_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
0370612e LP |
683 | Manager *m = userdata; |
684 | Machine *machine; | |
685 | const char *name; | |
686 | int r; | |
687 | ||
0370612e LP |
688 | assert(message); |
689 | assert(m); | |
690 | ||
691 | r = sd_bus_message_read(message, "s", &name); | |
692 | if (r < 0) | |
693 | return r; | |
694 | ||
695 | machine = hashmap_get(m->machines, name); | |
696 | if (!machine) | |
697 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
698 | ||
19070062 | 699 | return bus_machine_method_copy(message, machine, error); |
0370612e LP |
700 | } |
701 | ||
19070062 | 702 | static int method_remove_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
08682124 LP |
703 | _cleanup_(image_unrefp) Image* i = NULL; |
704 | const char *name; | |
705 | int r; | |
706 | ||
08682124 LP |
707 | assert(message); |
708 | ||
709 | r = sd_bus_message_read(message, "s", &name); | |
710 | if (r < 0) | |
711 | return r; | |
712 | ||
713 | if (!image_name_is_valid(name)) | |
714 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
715 | ||
716 | r = image_find(name, &i); | |
717 | if (r < 0) | |
718 | return r; | |
719 | if (r == 0) | |
720 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
721 | ||
70244d1d | 722 | i->userdata = userdata; |
19070062 | 723 | return bus_image_method_remove(message, i, error); |
08682124 LP |
724 | } |
725 | ||
19070062 | 726 | static int method_rename_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
ebd93cb6 | 727 | _cleanup_(image_unrefp) Image* i = NULL; |
1ddb263d | 728 | const char *old_name; |
ebd93cb6 LP |
729 | int r; |
730 | ||
ebd93cb6 LP |
731 | assert(message); |
732 | ||
1ddb263d | 733 | r = sd_bus_message_read(message, "s", &old_name); |
ebd93cb6 LP |
734 | if (r < 0) |
735 | return r; | |
736 | ||
737 | if (!image_name_is_valid(old_name)) | |
738 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", old_name); | |
ebd93cb6 LP |
739 | |
740 | r = image_find(old_name, &i); | |
741 | if (r < 0) | |
742 | return r; | |
743 | if (r == 0) | |
744 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", old_name); | |
745 | ||
70244d1d | 746 | i->userdata = userdata; |
19070062 | 747 | return bus_image_method_rename(message, i, error); |
ebd93cb6 LP |
748 | } |
749 | ||
19070062 | 750 | static int method_clone_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
ebd93cb6 | 751 | _cleanup_(image_unrefp) Image *i = NULL; |
1ddb263d LP |
752 | const char *old_name; |
753 | int r; | |
ebd93cb6 | 754 | |
19070062 LP |
755 | assert(message); |
756 | ||
1ddb263d | 757 | r = sd_bus_message_read(message, "s", &old_name); |
ebd93cb6 LP |
758 | if (r < 0) |
759 | return r; | |
760 | ||
761 | if (!image_name_is_valid(old_name)) | |
762 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", old_name); | |
ebd93cb6 LP |
763 | |
764 | r = image_find(old_name, &i); | |
765 | if (r < 0) | |
766 | return r; | |
767 | if (r == 0) | |
768 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", old_name); | |
769 | ||
70244d1d | 770 | i->userdata = userdata; |
19070062 | 771 | return bus_image_method_clone(message, i, error); |
ebd93cb6 LP |
772 | } |
773 | ||
19070062 | 774 | static int method_mark_image_read_only(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
ebd93cb6 LP |
775 | _cleanup_(image_unrefp) Image *i = NULL; |
776 | const char *name; | |
1ddb263d | 777 | int r; |
ebd93cb6 | 778 | |
19070062 LP |
779 | assert(message); |
780 | ||
1ddb263d | 781 | r = sd_bus_message_read(message, "s", &name); |
ebd93cb6 LP |
782 | if (r < 0) |
783 | return r; | |
784 | ||
785 | if (!image_name_is_valid(name)) | |
786 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
787 | ||
788 | r = image_find(name, &i); | |
789 | if (r < 0) | |
790 | return r; | |
791 | if (r == 0) | |
792 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
793 | ||
70244d1d | 794 | i->userdata = userdata; |
19070062 | 795 | return bus_image_method_mark_read_only(message, i, error); |
ebd93cb6 LP |
796 | } |
797 | ||
19070062 | 798 | static int method_set_pool_limit(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
d6ce17c7 LP |
799 | Manager *m = userdata; |
800 | uint64_t limit; | |
801 | int r; | |
802 | ||
19070062 LP |
803 | assert(message); |
804 | ||
d6ce17c7 LP |
805 | r = sd_bus_message_read(message, "t", &limit); |
806 | if (r < 0) | |
807 | return r; | |
808 | ||
809 | r = bus_verify_polkit_async( | |
810 | message, | |
811 | CAP_SYS_ADMIN, | |
812 | "org.freedesktop.machine1.manage-machines", | |
813 | false, | |
814 | UID_INVALID, | |
815 | &m->polkit_registry, | |
816 | error); | |
817 | if (r < 0) | |
818 | return r; | |
819 | if (r == 0) | |
820 | return 1; /* Will call us back */ | |
821 | ||
4cee5eed LP |
822 | /* Set up the machine directory if necessary */ |
823 | r = setup_machine_directory(limit, error); | |
824 | if (r < 0) | |
825 | return r; | |
826 | ||
26166c88 LP |
827 | r = btrfs_resize_loopback("/var/lib/machines", limit, false); |
828 | if (r == -ENOTTY) | |
829 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Quota is only supported on btrfs."); | |
830 | if (r < 0 && r != -ENODEV) /* ignore ENODEV, as that's what is returned if the file system is not on loopback */ | |
efe02862 LP |
831 | return sd_bus_error_set_errnof(error, r, "Failed to adjust loopback limit: %m"); |
832 | ||
d6ce17c7 LP |
833 | r = btrfs_quota_limit("/var/lib/machines", limit); |
834 | if (r == -ENOTTY) | |
835 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Quota is only supported on btrfs."); | |
26166c88 | 836 | if (r < 0) |
d6ce17c7 LP |
837 | return sd_bus_error_set_errnof(error, r, "Failed to adjust quota limit: %m"); |
838 | ||
839 | return sd_bus_reply_method_return(message, NULL); | |
840 | } | |
841 | ||
19070062 | 842 | static int method_set_image_limit(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
d6ce17c7 LP |
843 | _cleanup_(image_unrefp) Image *i = NULL; |
844 | const char *name; | |
845 | int r; | |
846 | ||
19070062 LP |
847 | assert(message); |
848 | ||
d6ce17c7 LP |
849 | r = sd_bus_message_read(message, "s", &name); |
850 | if (r < 0) | |
851 | return r; | |
852 | ||
853 | if (!image_name_is_valid(name)) | |
854 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
855 | ||
856 | r = image_find(name, &i); | |
857 | if (r < 0) | |
858 | return r; | |
859 | if (r == 0) | |
860 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
861 | ||
862 | i->userdata = userdata; | |
19070062 | 863 | return bus_image_method_set_limit(message, i, error); |
d6ce17c7 LP |
864 | } |
865 | ||
c01ff965 LP |
866 | static int method_map_from_machine_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
867 | _cleanup_fclose_ FILE *f = NULL; | |
868 | Manager *m = userdata; | |
869 | const char *name, *p; | |
870 | Machine *machine; | |
871 | uint32_t uid; | |
872 | int r; | |
873 | ||
874 | r = sd_bus_message_read(message, "su", &name, &uid); | |
875 | if (r < 0) | |
876 | return r; | |
877 | ||
878 | if (UID_IS_INVALID(uid)) | |
879 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); | |
880 | ||
881 | machine = hashmap_get(m->machines, name); | |
882 | if (!machine) | |
883 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
884 | ||
885 | p = procfs_file_alloca(machine->leader, "uid_map"); | |
886 | f = fopen(p, "re"); | |
887 | if (!f) | |
888 | return -errno; | |
889 | ||
890 | for (;;) { | |
891 | uid_t uid_base, uid_shift, uid_range, converted; | |
892 | int k; | |
893 | ||
894 | errno = 0; | |
895 | k = fscanf(f, UID_FMT " " UID_FMT " " UID_FMT, &uid_base, &uid_shift, &uid_range); | |
896 | if (k < 0 && feof(f)) | |
897 | break; | |
898 | if (k != 3) { | |
899 | if (ferror(f) && errno != 0) | |
900 | return -errno; | |
901 | ||
902 | return -EIO; | |
903 | } | |
904 | ||
905 | if (uid < uid_base || uid >= uid_base + uid_range) | |
906 | continue; | |
907 | ||
908 | converted = uid - uid_base + uid_shift; | |
909 | if (UID_IS_INVALID(converted)) | |
910 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); | |
911 | ||
912 | return sd_bus_reply_method_return(message, "u", (uint32_t) converted); | |
913 | } | |
914 | ||
915 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "Machine '%s' has no matching user mappings.", name); | |
916 | } | |
917 | ||
918 | static int method_map_to_machine_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
919 | Manager *m = userdata; | |
920 | Machine *machine; | |
921 | uid_t uid; | |
922 | Iterator i; | |
923 | int r; | |
924 | ||
925 | r = sd_bus_message_read(message, "u", &uid); | |
926 | if (r < 0) | |
927 | return r; | |
928 | if (UID_IS_INVALID(uid)) | |
929 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); | |
930 | if (uid < 0x10000) | |
931 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "User " UID_FMT " belongs to host UID range", uid); | |
932 | ||
933 | HASHMAP_FOREACH(machine, m->machines, i) { | |
934 | _cleanup_fclose_ FILE *f = NULL; | |
935 | char p[strlen("/proc//uid_map") + DECIMAL_STR_MAX(pid_t) + 1]; | |
936 | ||
937 | xsprintf(p, "/proc/" UID_FMT "/uid_map", machine->leader); | |
938 | f = fopen(p, "re"); | |
939 | if (!f) { | |
940 | log_warning_errno(errno, "Failed top open %s, ignoring,", p); | |
941 | continue; | |
942 | } | |
943 | ||
944 | for (;;) { | |
945 | _cleanup_free_ char *o = NULL; | |
946 | uid_t uid_base, uid_shift, uid_range, converted; | |
947 | int k; | |
948 | ||
949 | errno = 0; | |
950 | k = fscanf(f, UID_FMT " " UID_FMT " " UID_FMT, &uid_base, &uid_shift, &uid_range); | |
951 | if (k < 0 && feof(f)) | |
952 | break; | |
953 | if (k != 3) { | |
954 | if (ferror(f) && errno != 0) | |
955 | return -errno; | |
956 | ||
957 | return -EIO; | |
958 | } | |
959 | ||
960 | if (uid < uid_shift || uid >= uid_shift + uid_range) | |
961 | continue; | |
962 | ||
963 | converted = (uid - uid_shift + uid_base); | |
964 | if (UID_IS_INVALID(converted)) | |
965 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); | |
966 | ||
967 | o = machine_bus_path(machine); | |
968 | if (!o) | |
969 | return -ENOMEM; | |
970 | ||
971 | return sd_bus_reply_method_return(message, "sou", machine->name, o, (uint32_t) converted); | |
972 | } | |
973 | } | |
974 | ||
975 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "No matching user mapping for " UID_FMT ".", uid); | |
976 | } | |
977 | ||
978 | static int method_map_from_machine_group(sd_bus_message *message, void *groupdata, sd_bus_error *error) { | |
979 | _cleanup_fclose_ FILE *f = NULL; | |
980 | Manager *m = groupdata; | |
981 | const char *name, *p; | |
982 | Machine *machine; | |
983 | uint32_t gid; | |
984 | int r; | |
985 | ||
986 | r = sd_bus_message_read(message, "su", &name, &gid); | |
987 | if (r < 0) | |
988 | return r; | |
989 | ||
990 | if (GID_IS_INVALID(gid)) | |
991 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); | |
992 | ||
993 | machine = hashmap_get(m->machines, name); | |
994 | if (!machine) | |
995 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
996 | ||
997 | p = procfs_file_alloca(machine->leader, "gid_map"); | |
998 | f = fopen(p, "re"); | |
999 | if (!f) | |
1000 | return -errno; | |
1001 | ||
1002 | for (;;) { | |
1003 | gid_t gid_base, gid_shift, gid_range, converted; | |
1004 | int k; | |
1005 | ||
1006 | errno = 0; | |
1007 | k = fscanf(f, GID_FMT " " GID_FMT " " GID_FMT, &gid_base, &gid_shift, &gid_range); | |
1008 | if (k < 0 && feof(f)) | |
1009 | break; | |
1010 | if (k != 3) { | |
1011 | if (ferror(f) && errno != 0) | |
1012 | return -errno; | |
1013 | ||
1014 | return -EIO; | |
1015 | } | |
1016 | ||
1017 | if (gid < gid_base || gid >= gid_base + gid_range) | |
1018 | continue; | |
1019 | ||
1020 | converted = gid - gid_base + gid_shift; | |
1021 | if (GID_IS_INVALID(converted)) | |
1022 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); | |
1023 | ||
1024 | return sd_bus_reply_method_return(message, "u", (uint32_t) converted); | |
1025 | } | |
1026 | ||
1027 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "Machine '%s' has no matching group mappings.", name); | |
1028 | } | |
1029 | ||
1030 | static int method_map_to_machine_group(sd_bus_message *message, void *groupdata, sd_bus_error *error) { | |
1031 | Manager *m = groupdata; | |
1032 | Machine *machine; | |
1033 | gid_t gid; | |
1034 | Iterator i; | |
1035 | int r; | |
1036 | ||
1037 | r = sd_bus_message_read(message, "u", &gid); | |
1038 | if (r < 0) | |
1039 | return r; | |
1040 | if (GID_IS_INVALID(gid)) | |
1041 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); | |
1042 | if (gid < 0x10000) | |
1043 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "Group " GID_FMT " belongs to host GID range", gid); | |
1044 | ||
1045 | HASHMAP_FOREACH(machine, m->machines, i) { | |
1046 | _cleanup_fclose_ FILE *f = NULL; | |
1047 | char p[strlen("/proc//gid_map") + DECIMAL_STR_MAX(pid_t) + 1]; | |
1048 | ||
1049 | xsprintf(p, "/proc/" GID_FMT "/gid_map", machine->leader); | |
1050 | f = fopen(p, "re"); | |
1051 | if (!f) { | |
1052 | log_warning_errno(errno, "Failed top open %s, ignoring,", p); | |
1053 | continue; | |
1054 | } | |
1055 | ||
1056 | for (;;) { | |
1057 | _cleanup_free_ char *o = NULL; | |
1058 | gid_t gid_base, gid_shift, gid_range, converted; | |
1059 | int k; | |
1060 | ||
1061 | errno = 0; | |
1062 | k = fscanf(f, GID_FMT " " GID_FMT " " GID_FMT, &gid_base, &gid_shift, &gid_range); | |
1063 | if (k < 0 && feof(f)) | |
1064 | break; | |
1065 | if (k != 3) { | |
1066 | if (ferror(f) && errno != 0) | |
1067 | return -errno; | |
1068 | ||
1069 | return -EIO; | |
1070 | } | |
1071 | ||
1072 | if (gid < gid_shift || gid >= gid_shift + gid_range) | |
1073 | continue; | |
1074 | ||
1075 | converted = (gid - gid_shift + gid_base); | |
1076 | if (GID_IS_INVALID(converted)) | |
1077 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); | |
1078 | ||
1079 | o = machine_bus_path(machine); | |
1080 | if (!o) | |
1081 | return -ENOMEM; | |
1082 | ||
1083 | return sd_bus_reply_method_return(message, "sou", machine->name, o, (uint32_t) converted); | |
1084 | } | |
1085 | } | |
1086 | ||
1087 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "No matching group mapping for " GID_FMT ".", gid); | |
1088 | } | |
1089 | ||
c3350683 LP |
1090 | const sd_bus_vtable manager_vtable[] = { |
1091 | SD_BUS_VTABLE_START(0), | |
160e3793 LP |
1092 | SD_BUS_PROPERTY("PoolPath", "s", property_get_pool_path, 0, 0), |
1093 | SD_BUS_PROPERTY("PoolUsage", "t", property_get_pool_usage, 0, 0), | |
1094 | SD_BUS_PROPERTY("PoolLimit", "t", property_get_pool_limit, 0, 0), | |
adacb957 | 1095 | SD_BUS_METHOD("GetMachine", "s", "o", method_get_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
c2ce6a3d | 1096 | SD_BUS_METHOD("GetImage", "s", "o", method_get_image, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
1097 | SD_BUS_METHOD("GetMachineByPID", "u", "o", method_get_machine_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), |
1098 | SD_BUS_METHOD("ListMachines", NULL, "a(ssso)", method_list_machines, SD_BUS_VTABLE_UNPRIVILEGED), | |
b6b18498 | 1099 | SD_BUS_METHOD("ListImages", NULL, "a(ssbttto)", method_list_images, SD_BUS_VTABLE_UNPRIVILEGED), |
c3350683 | 1100 | SD_BUS_METHOD("CreateMachine", "sayssusa(sv)", "o", method_create_machine, 0), |
9b5ed6fe | 1101 | SD_BUS_METHOD("CreateMachineWithNetwork", "sayssusaia(sv)", "o", method_create_machine_with_network, 0), |
8d07a7c4 | 1102 | SD_BUS_METHOD("RegisterMachine", "sayssus", "o", method_register_machine, 0), |
9b5ed6fe | 1103 | SD_BUS_METHOD("RegisterMachineWithNetwork", "sayssusai", "o", method_register_machine_with_network, 0), |
70244d1d LP |
1104 | SD_BUS_METHOD("TerminateMachine", "s", NULL, method_terminate_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
1105 | SD_BUS_METHOD("KillMachine", "ssi", NULL, method_kill_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
3a6fb33c | 1106 | SD_BUS_METHOD("GetMachineAddresses", "s", "a(iay)", method_get_machine_addresses, SD_BUS_VTABLE_UNPRIVILEGED), |
717603e3 | 1107 | SD_BUS_METHOD("GetMachineOSRelease", "s", "a{ss}", method_get_machine_os_release, SD_BUS_VTABLE_UNPRIVILEGED), |
40205d70 | 1108 | SD_BUS_METHOD("OpenMachinePTY", "s", "hs", method_open_machine_pty, 0), |
d04c1fb8 | 1109 | SD_BUS_METHOD("OpenMachineLogin", "s", "hs", method_open_machine_login, SD_BUS_VTABLE_UNPRIVILEGED), |
49af9e13 | 1110 | SD_BUS_METHOD("OpenMachineShell", "sssasas", "hs", method_open_machine_shell, SD_BUS_VTABLE_UNPRIVILEGED), |
70244d1d LP |
1111 | SD_BUS_METHOD("BindMountMachine", "sssbb", NULL, method_bind_mount_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
1112 | SD_BUS_METHOD("CopyFromMachine", "sss", NULL, method_copy_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
1113 | SD_BUS_METHOD("CopyToMachine", "sss", NULL, method_copy_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
1114 | SD_BUS_METHOD("RemoveImage", "s", NULL, method_remove_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
1115 | SD_BUS_METHOD("RenameImage", "ss", NULL, method_rename_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
1116 | SD_BUS_METHOD("CloneImage", "ssb", NULL, method_clone_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
1117 | SD_BUS_METHOD("MarkImageReadOnly", "sb", NULL, method_mark_image_read_only, SD_BUS_VTABLE_UNPRIVILEGED), | |
d6ce17c7 LP |
1118 | SD_BUS_METHOD("SetPoolLimit", "t", NULL, method_set_pool_limit, SD_BUS_VTABLE_UNPRIVILEGED), |
1119 | SD_BUS_METHOD("SetImageLimit", "st", NULL, method_set_image_limit, SD_BUS_VTABLE_UNPRIVILEGED), | |
c01ff965 LP |
1120 | SD_BUS_METHOD("MapFromMachineUser", "su", "u", method_map_from_machine_user, SD_BUS_VTABLE_UNPRIVILEGED), |
1121 | SD_BUS_METHOD("MapToMachineUser", "u", "sou", method_map_to_machine_user, SD_BUS_VTABLE_UNPRIVILEGED), | |
1122 | SD_BUS_METHOD("MapFromMachineGroup", "su", "u", method_map_from_machine_group, SD_BUS_VTABLE_UNPRIVILEGED), | |
1123 | SD_BUS_METHOD("MapToMachineGroup", "u", "sou", method_map_to_machine_group, SD_BUS_VTABLE_UNPRIVILEGED), | |
c3350683 LP |
1124 | SD_BUS_SIGNAL("MachineNew", "so", 0), |
1125 | SD_BUS_SIGNAL("MachineRemoved", "so", 0), | |
1126 | SD_BUS_VTABLE_END | |
1127 | }; | |
1ee306e1 | 1128 | |
19070062 | 1129 | int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 1130 | const char *path, *result, *unit; |
1ee306e1 | 1131 | Manager *m = userdata; |
c3350683 LP |
1132 | Machine *machine; |
1133 | uint32_t id; | |
1134 | int r; | |
1ee306e1 | 1135 | |
1ee306e1 | 1136 | assert(message); |
c3350683 | 1137 | assert(m); |
1ee306e1 | 1138 | |
c3350683 LP |
1139 | r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result); |
1140 | if (r < 0) { | |
ebcf1f97 | 1141 | bus_log_parse_error(r); |
65d73cf0 | 1142 | return 0; |
c3350683 | 1143 | } |
6797c324 | 1144 | |
c3350683 LP |
1145 | machine = hashmap_get(m->machine_units, unit); |
1146 | if (!machine) | |
1147 | return 0; | |
6797c324 | 1148 | |
c3350683 | 1149 | if (streq_ptr(path, machine->scope_job)) { |
491ac9f2 | 1150 | machine->scope_job = mfree(machine->scope_job); |
6797c324 | 1151 | |
c3350683 LP |
1152 | if (machine->started) { |
1153 | if (streq(result, "done")) | |
1154 | machine_send_create_reply(machine, NULL); | |
1155 | else { | |
ebcf1f97 | 1156 | _cleanup_bus_error_free_ sd_bus_error e = SD_BUS_ERROR_NULL; |
6797c324 | 1157 | |
ebcf1f97 | 1158 | sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result); |
6797c324 | 1159 | |
ebcf1f97 | 1160 | machine_send_create_reply(machine, &e); |
c3350683 | 1161 | } |
49f3fffd LP |
1162 | } |
1163 | ||
1164 | machine_save(machine); | |
1ee306e1 LP |
1165 | } |
1166 | ||
c3350683 LP |
1167 | machine_add_to_gc_queue(machine); |
1168 | return 0; | |
1ee306e1 LP |
1169 | } |
1170 | ||
19070062 | 1171 | int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 1172 | _cleanup_free_ char *unit = NULL; |
49f3fffd | 1173 | const char *path; |
c3350683 LP |
1174 | Manager *m = userdata; |
1175 | Machine *machine; | |
ebcf1f97 | 1176 | int r; |
554604b3 | 1177 | |
c3350683 LP |
1178 | assert(message); |
1179 | assert(m); | |
554604b3 | 1180 | |
c3350683 LP |
1181 | path = sd_bus_message_get_path(message); |
1182 | if (!path) | |
554604b3 | 1183 | return 0; |
554604b3 | 1184 | |
ebcf1f97 | 1185 | r = unit_name_from_dbus_path(path, &unit); |
e5f5b5b9 LP |
1186 | if (r == -EINVAL) /* not for a unit */ |
1187 | return 0; | |
9b420b3c LP |
1188 | if (r < 0){ |
1189 | log_oom(); | |
1190 | return 0; | |
1191 | } | |
554604b3 | 1192 | |
c3350683 | 1193 | machine = hashmap_get(m->machine_units, unit); |
9b420b3c LP |
1194 | if (!machine) |
1195 | return 0; | |
1196 | ||
9b420b3c | 1197 | machine_add_to_gc_queue(machine); |
c3350683 LP |
1198 | return 0; |
1199 | } | |
554604b3 | 1200 | |
19070062 | 1201 | int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
1202 | const char *path, *unit; |
1203 | Manager *m = userdata; | |
1204 | Machine *machine; | |
1205 | int r; | |
554604b3 | 1206 | |
c3350683 LP |
1207 | assert(message); |
1208 | assert(m); | |
554604b3 | 1209 | |
c3350683 LP |
1210 | r = sd_bus_message_read(message, "so", &unit, &path); |
1211 | if (r < 0) { | |
ebcf1f97 | 1212 | bus_log_parse_error(r); |
9b420b3c | 1213 | return 0; |
554604b3 LP |
1214 | } |
1215 | ||
c3350683 | 1216 | machine = hashmap_get(m->machine_units, unit); |
9b420b3c LP |
1217 | if (!machine) |
1218 | return 0; | |
1219 | ||
9b420b3c | 1220 | machine_add_to_gc_queue(machine); |
c3350683 LP |
1221 | return 0; |
1222 | } | |
554604b3 | 1223 | |
19070062 | 1224 | int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 1225 | Manager *m = userdata; |
a658cafa LP |
1226 | Machine *machine; |
1227 | Iterator i; | |
c3350683 | 1228 | int b, r; |
554604b3 | 1229 | |
19070062 LP |
1230 | assert(message); |
1231 | assert(m); | |
554604b3 | 1232 | |
c3350683 LP |
1233 | r = sd_bus_message_read(message, "b", &b); |
1234 | if (r < 0) { | |
ebcf1f97 | 1235 | bus_log_parse_error(r); |
65d73cf0 | 1236 | return 0; |
554604b3 | 1237 | } |
a658cafa LP |
1238 | if (b) |
1239 | return 0; | |
554604b3 | 1240 | |
a658cafa LP |
1241 | /* systemd finished reloading, let's recheck all our machines */ |
1242 | log_debug("System manager has been reloaded, rechecking machines..."); | |
554604b3 | 1243 | |
a658cafa LP |
1244 | HASHMAP_FOREACH(machine, m->machines, i) |
1245 | machine_add_to_gc_queue(machine); | |
554604b3 LP |
1246 | |
1247 | return 0; | |
1248 | } | |
1249 | ||
1ee306e1 LP |
1250 | int manager_start_scope( |
1251 | Manager *manager, | |
1252 | const char *scope, | |
1253 | pid_t pid, | |
1254 | const char *slice, | |
1255 | const char *description, | |
c3350683 LP |
1256 | sd_bus_message *more_properties, |
1257 | sd_bus_error *error, | |
1ee306e1 LP |
1258 | char **job) { |
1259 | ||
c3350683 | 1260 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL; |
554604b3 | 1261 | int r; |
1ee306e1 LP |
1262 | |
1263 | assert(manager); | |
1264 | assert(scope); | |
1265 | assert(pid > 1); | |
1266 | ||
c3350683 LP |
1267 | r = sd_bus_message_new_method_call( |
1268 | manager->bus, | |
151b9b96 | 1269 | &m, |
1ee306e1 LP |
1270 | "org.freedesktop.systemd1", |
1271 | "/org/freedesktop/systemd1", | |
1272 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 1273 | "StartTransientUnit"); |
c3350683 LP |
1274 | if (r < 0) |
1275 | return r; | |
1ee306e1 | 1276 | |
a658cafa | 1277 | r = sd_bus_message_append(m, "ss", strempty(scope), "fail"); |
c3350683 LP |
1278 | if (r < 0) |
1279 | return r; | |
1ee306e1 | 1280 | |
c3350683 LP |
1281 | r = sd_bus_message_open_container(m, 'a', "(sv)"); |
1282 | if (r < 0) | |
1283 | return r; | |
1ee306e1 LP |
1284 | |
1285 | if (!isempty(slice)) { | |
c3350683 LP |
1286 | r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice); |
1287 | if (r < 0) | |
1288 | return r; | |
1ee306e1 LP |
1289 | } |
1290 | ||
1291 | if (!isempty(description)) { | |
c3350683 LP |
1292 | r = sd_bus_message_append(m, "(sv)", "Description", "s", description); |
1293 | if (r < 0) | |
1294 | return r; | |
1ee306e1 LP |
1295 | } |
1296 | ||
c3350683 LP |
1297 | r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid); |
1298 | if (r < 0) | |
1299 | return r; | |
554604b3 | 1300 | |
a931ad47 LP |
1301 | r = sd_bus_message_append(m, "(sv)", "Delegate", "b", 1); |
1302 | if (r < 0) | |
1303 | return r; | |
1304 | ||
554604b3 | 1305 | if (more_properties) { |
c3350683 | 1306 | r = sd_bus_message_copy(m, more_properties, true); |
554604b3 LP |
1307 | if (r < 0) |
1308 | return r; | |
1309 | } | |
1310 | ||
c3350683 LP |
1311 | r = sd_bus_message_close_container(m); |
1312 | if (r < 0) | |
1313 | return r; | |
1ee306e1 | 1314 | |
86b8d289 LP |
1315 | r = sd_bus_message_append(m, "a(sa(sv))", 0); |
1316 | if (r < 0) | |
1317 | return r; | |
1318 | ||
c49b30a2 | 1319 | r = sd_bus_call(manager->bus, m, 0, error, &reply); |
c3350683 LP |
1320 | if (r < 0) |
1321 | return r; | |
1ee306e1 LP |
1322 | |
1323 | if (job) { | |
1324 | const char *j; | |
1325 | char *copy; | |
1326 | ||
c3350683 LP |
1327 | r = sd_bus_message_read(reply, "o", &j); |
1328 | if (r < 0) | |
1329 | return r; | |
1ee306e1 LP |
1330 | |
1331 | copy = strdup(j); | |
1332 | if (!copy) | |
1333 | return -ENOMEM; | |
1334 | ||
1335 | *job = copy; | |
1336 | } | |
1337 | ||
c3350683 | 1338 | return 1; |
1ee306e1 LP |
1339 | } |
1340 | ||
c3350683 LP |
1341 | int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { |
1342 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
1ee306e1 LP |
1343 | int r; |
1344 | ||
1345 | assert(manager); | |
1346 | assert(unit); | |
1347 | ||
c3350683 | 1348 | r = sd_bus_call_method( |
1ee306e1 LP |
1349 | manager->bus, |
1350 | "org.freedesktop.systemd1", | |
1351 | "/org/freedesktop/systemd1", | |
1352 | "org.freedesktop.systemd1.Manager", | |
1353 | "StopUnit", | |
1ee306e1 | 1354 | error, |
c3350683 LP |
1355 | &reply, |
1356 | "ss", unit, "fail"); | |
1ee306e1 | 1357 | if (r < 0) { |
c3350683 LP |
1358 | if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) || |
1359 | sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) { | |
6797c324 LP |
1360 | |
1361 | if (job) | |
1362 | *job = NULL; | |
1363 | ||
c3350683 | 1364 | sd_bus_error_free(error); |
6797c324 LP |
1365 | return 0; |
1366 | } | |
1367 | ||
1ee306e1 LP |
1368 | return r; |
1369 | } | |
1370 | ||
1371 | if (job) { | |
1372 | const char *j; | |
1373 | char *copy; | |
1374 | ||
c3350683 LP |
1375 | r = sd_bus_message_read(reply, "o", &j); |
1376 | if (r < 0) | |
1377 | return r; | |
1ee306e1 LP |
1378 | |
1379 | copy = strdup(j); | |
1380 | if (!copy) | |
1381 | return -ENOMEM; | |
1382 | ||
1383 | *job = copy; | |
1384 | } | |
1385 | ||
6797c324 | 1386 | return 1; |
1ee306e1 LP |
1387 | } |
1388 | ||
de58a50e | 1389 | int manager_kill_unit(Manager *manager, const char *unit, int signo, sd_bus_error *error) { |
1ee306e1 LP |
1390 | assert(manager); |
1391 | assert(unit); | |
1392 | ||
a658cafa | 1393 | return sd_bus_call_method( |
1ee306e1 LP |
1394 | manager->bus, |
1395 | "org.freedesktop.systemd1", | |
1396 | "/org/freedesktop/systemd1", | |
1397 | "org.freedesktop.systemd1.Manager", | |
1398 | "KillUnit", | |
1ee306e1 | 1399 | error, |
a658cafa | 1400 | NULL, |
de58a50e | 1401 | "ssi", unit, "all", signo); |
1ee306e1 LP |
1402 | } |
1403 | ||
1404 | int manager_unit_is_active(Manager *manager, const char *unit) { | |
c3350683 LP |
1405 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
1406 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
1ee306e1 | 1407 | _cleanup_free_ char *path = NULL; |
1ee306e1 | 1408 | const char *state; |
1ee306e1 LP |
1409 | int r; |
1410 | ||
1411 | assert(manager); | |
1412 | assert(unit); | |
1413 | ||
1ee306e1 LP |
1414 | path = unit_dbus_path_from_name(unit); |
1415 | if (!path) | |
1416 | return -ENOMEM; | |
1417 | ||
c3350683 | 1418 | r = sd_bus_get_property( |
1ee306e1 LP |
1419 | manager->bus, |
1420 | "org.freedesktop.systemd1", | |
1421 | path, | |
c3350683 LP |
1422 | "org.freedesktop.systemd1.Unit", |
1423 | "ActiveState", | |
1ee306e1 | 1424 | &error, |
c3350683 LP |
1425 | &reply, |
1426 | "s"); | |
1ee306e1 | 1427 | if (r < 0) { |
c3350683 LP |
1428 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || |
1429 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
6797c324 | 1430 | return true; |
6797c324 | 1431 | |
c3350683 LP |
1432 | if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) || |
1433 | sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED)) | |
6797c324 | 1434 | return false; |
6797c324 | 1435 | |
1ee306e1 LP |
1436 | return r; |
1437 | } | |
1438 | ||
c3350683 LP |
1439 | r = sd_bus_message_read(reply, "s", &state); |
1440 | if (r < 0) | |
1ee306e1 | 1441 | return -EINVAL; |
1ee306e1 | 1442 | |
9b420b3c | 1443 | return !STR_IN_SET(state, "inactive", "failed"); |
1ee306e1 | 1444 | } |
bd16acf3 | 1445 | |
c3350683 LP |
1446 | int manager_job_is_active(Manager *manager, const char *path) { |
1447 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
1448 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
1449 | int r; | |
bd16acf3 | 1450 | |
c3350683 LP |
1451 | assert(manager); |
1452 | assert(path); | |
bd16acf3 | 1453 | |
c3350683 LP |
1454 | r = sd_bus_get_property( |
1455 | manager->bus, | |
1456 | "org.freedesktop.systemd1", | |
1457 | path, | |
1458 | "org.freedesktop.systemd1.Job", | |
1459 | "State", | |
1460 | &error, | |
1461 | &reply, | |
1462 | "s"); | |
1463 | if (r < 0) { | |
1464 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || | |
1465 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
1466 | return true; | |
bd16acf3 | 1467 | |
c3350683 LP |
1468 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT)) |
1469 | return false; | |
bd16acf3 | 1470 | |
bd16acf3 | 1471 | return r; |
c3350683 | 1472 | } |
bd16acf3 | 1473 | |
c3350683 LP |
1474 | /* We don't actually care about the state really. The fact |
1475 | * that we could read the job state is enough for us */ | |
bd16acf3 | 1476 | |
c3350683 | 1477 | return true; |
bd16acf3 | 1478 | } |
ab49725f KS |
1479 | |
1480 | int manager_get_machine_by_pid(Manager *m, pid_t pid, Machine **machine) { | |
ab49725f KS |
1481 | Machine *mm; |
1482 | int r; | |
1483 | ||
1484 | assert(m); | |
1485 | assert(pid >= 1); | |
1486 | assert(machine); | |
1487 | ||
077c8c36 LP |
1488 | mm = hashmap_get(m->machine_leaders, UINT_TO_PTR(pid)); |
1489 | if (!mm) { | |
1490 | _cleanup_free_ char *unit = NULL; | |
ab49725f | 1491 | |
077c8c36 LP |
1492 | r = cg_pid_get_unit(pid, &unit); |
1493 | if (r >= 0) | |
1494 | mm = hashmap_get(m->machine_units, unit); | |
1495 | } | |
ab49725f KS |
1496 | if (!mm) |
1497 | return 0; | |
1498 | ||
1499 | *machine = mm; | |
1500 | return 1; | |
1501 | } | |
1502 | ||
1503 | int manager_add_machine(Manager *m, const char *name, Machine **_machine) { | |
1504 | Machine *machine; | |
1505 | ||
1506 | assert(m); | |
1507 | assert(name); | |
1508 | ||
1509 | machine = hashmap_get(m->machines, name); | |
1510 | if (!machine) { | |
fbe55073 | 1511 | machine = machine_new(m, _MACHINE_CLASS_INVALID, name); |
ab49725f KS |
1512 | if (!machine) |
1513 | return -ENOMEM; | |
1514 | } | |
1515 | ||
1516 | if (_machine) | |
1517 | *_machine = machine; | |
1518 | ||
1519 | return 0; | |
1520 | } |