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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" |
003dffde | 34 | #include "machine-image.h" |
4cee5eed | 35 | #include "machine-pool.h" |
003dffde | 36 | #include "image-dbus.h" |
c3350683 | 37 | #include "machined.h" |
003dffde | 38 | #include "machine-dbus.h" |
6482f626 | 39 | #include "formats-util.h" |
1ee306e1 | 40 | |
160e3793 LP |
41 | static int property_get_pool_path( |
42 | sd_bus *bus, | |
43 | const char *path, | |
44 | const char *interface, | |
45 | const char *property, | |
46 | sd_bus_message *reply, | |
47 | void *userdata, | |
48 | sd_bus_error *error) { | |
49 | ||
50 | assert(bus); | |
51 | assert(reply); | |
52 | ||
53 | return sd_bus_message_append(reply, "s", "/var/lib/machines"); | |
54 | } | |
55 | ||
56 | static int property_get_pool_usage( | |
57 | sd_bus *bus, | |
58 | const char *path, | |
59 | const char *interface, | |
60 | const char *property, | |
61 | sd_bus_message *reply, | |
62 | void *userdata, | |
63 | sd_bus_error *error) { | |
64 | ||
65 | _cleanup_close_ int fd = -1; | |
66 | uint64_t usage = (uint64_t) -1; | |
67 | struct stat st; | |
68 | ||
69 | assert(bus); | |
70 | assert(reply); | |
71 | ||
72 | /* We try to read the quota info from /var/lib/machines, as | |
73 | * well as the usage of the loopback file | |
74 | * /var/lib/machines.raw, and pick the larger value. */ | |
75 | ||
76 | fd = open("/var/lib/machines", O_RDONLY|O_CLOEXEC|O_DIRECTORY); | |
77 | if (fd >= 0) { | |
78 | BtrfsQuotaInfo q; | |
79 | ||
80 | if (btrfs_subvol_get_quota_fd(fd, &q) >= 0) | |
cb81cd80 | 81 | usage = q.referenced; |
160e3793 LP |
82 | } |
83 | ||
84 | if (stat("/var/lib/machines.raw", &st) >= 0) { | |
85 | if (usage == (uint64_t) -1 || st.st_blocks * 512ULL > usage) | |
86 | usage = st.st_blocks * 512ULL; | |
87 | } | |
88 | ||
89 | return sd_bus_message_append(reply, "t", usage); | |
90 | } | |
91 | ||
92 | static int property_get_pool_limit( | |
93 | sd_bus *bus, | |
94 | const char *path, | |
95 | const char *interface, | |
96 | const char *property, | |
97 | sd_bus_message *reply, | |
98 | void *userdata, | |
99 | sd_bus_error *error) { | |
100 | ||
101 | _cleanup_close_ int fd = -1; | |
102 | uint64_t size = (uint64_t) -1; | |
103 | struct stat st; | |
104 | ||
105 | assert(bus); | |
106 | assert(reply); | |
107 | ||
108 | /* We try to read the quota limit from /var/lib/machines, as | |
109 | * well as the size of the loopback file | |
110 | * /var/lib/machines.raw, and pick the smaller value. */ | |
111 | ||
112 | fd = open("/var/lib/machines", O_RDONLY|O_CLOEXEC|O_DIRECTORY); | |
113 | if (fd >= 0) { | |
114 | BtrfsQuotaInfo q; | |
115 | ||
116 | if (btrfs_subvol_get_quota_fd(fd, &q) >= 0) | |
cb81cd80 | 117 | size = q.referenced_max; |
160e3793 LP |
118 | } |
119 | ||
120 | if (stat("/var/lib/machines.raw", &st) >= 0) { | |
121 | if (size == (uint64_t) -1 || (uint64_t) st.st_size < size) | |
122 | size = st.st_size; | |
123 | } | |
124 | ||
125 | return sd_bus_message_append(reply, "t", size); | |
126 | } | |
127 | ||
19070062 | 128 | static int method_get_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
129 | _cleanup_free_ char *p = NULL; |
130 | Manager *m = userdata; | |
131 | Machine *machine; | |
132 | const char *name; | |
133 | int r; | |
134 | ||
c3350683 LP |
135 | assert(message); |
136 | assert(m); | |
137 | ||
138 | r = sd_bus_message_read(message, "s", &name); | |
139 | if (r < 0) | |
ebcf1f97 | 140 | return r; |
c3350683 LP |
141 | |
142 | machine = hashmap_get(m->machines, name); | |
143 | if (!machine) | |
ebcf1f97 | 144 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
c3350683 LP |
145 | |
146 | p = machine_bus_path(machine); | |
147 | if (!p) | |
ebcf1f97 | 148 | return -ENOMEM; |
c3350683 | 149 | |
df2d202e | 150 | return sd_bus_reply_method_return(message, "o", p); |
c3350683 LP |
151 | } |
152 | ||
19070062 | 153 | static int method_get_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c2ce6a3d LP |
154 | _cleanup_free_ char *p = NULL; |
155 | Manager *m = userdata; | |
156 | const char *name; | |
157 | int r; | |
158 | ||
c2ce6a3d LP |
159 | assert(message); |
160 | assert(m); | |
161 | ||
162 | r = sd_bus_message_read(message, "s", &name); | |
163 | if (r < 0) | |
164 | return r; | |
165 | ||
166 | r = image_find(name, NULL); | |
167 | if (r == 0) | |
168 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
169 | if (r < 0) | |
170 | return r; | |
171 | ||
172 | p = image_bus_path(name); | |
173 | if (!p) | |
174 | return -ENOMEM; | |
175 | ||
176 | return sd_bus_reply_method_return(message, "o", p); | |
177 | } | |
178 | ||
19070062 | 179 | static int method_get_machine_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
180 | _cleanup_free_ char *p = NULL; |
181 | Manager *m = userdata; | |
182 | Machine *machine = NULL; | |
4e724d9c | 183 | pid_t pid; |
c3350683 LP |
184 | int r; |
185 | ||
c3350683 LP |
186 | assert(message); |
187 | assert(m); | |
188 | ||
4e724d9c LP |
189 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
190 | ||
c3350683 LP |
191 | r = sd_bus_message_read(message, "u", &pid); |
192 | if (r < 0) | |
ebcf1f97 | 193 | return r; |
c3350683 | 194 | |
4e724d9c | 195 | if (pid == 0) { |
5b12334d LP |
196 | _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; |
197 | ||
198 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
199 | if (r < 0) | |
200 | return r; | |
201 | ||
202 | r = sd_bus_creds_get_pid(creds, &pid); | |
4e724d9c | 203 | if (r < 0) |
ebcf1f97 | 204 | return r; |
4e724d9c LP |
205 | } |
206 | ||
c3350683 LP |
207 | r = manager_get_machine_by_pid(m, pid, &machine); |
208 | if (r < 0) | |
ebcf1f97 | 209 | return r; |
c3350683 | 210 | if (!machine) |
de0671ee | 211 | 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 |
212 | |
213 | p = machine_bus_path(machine); | |
214 | if (!p) | |
ebcf1f97 | 215 | return -ENOMEM; |
c3350683 | 216 | |
df2d202e | 217 | return sd_bus_reply_method_return(message, "o", p); |
c3350683 LP |
218 | } |
219 | ||
19070062 | 220 | static int method_list_machines(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
221 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; |
222 | Manager *m = userdata; | |
223 | Machine *machine; | |
224 | Iterator i; | |
225 | int r; | |
226 | ||
c3350683 LP |
227 | assert(message); |
228 | assert(m); | |
229 | ||
df2d202e | 230 | r = sd_bus_message_new_method_return(message, &reply); |
c3350683 | 231 | if (r < 0) |
ebcf1f97 | 232 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
233 | |
234 | r = sd_bus_message_open_container(reply, 'a', "(ssso)"); | |
235 | if (r < 0) | |
ebcf1f97 | 236 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
237 | |
238 | HASHMAP_FOREACH(machine, m->machines, i) { | |
239 | _cleanup_free_ char *p = NULL; | |
240 | ||
241 | p = machine_bus_path(machine); | |
242 | if (!p) | |
ebcf1f97 | 243 | return -ENOMEM; |
c3350683 LP |
244 | |
245 | r = sd_bus_message_append(reply, "(ssso)", | |
246 | machine->name, | |
247 | strempty(machine_class_to_string(machine->class)), | |
248 | machine->service, | |
249 | p); | |
250 | if (r < 0) | |
ebcf1f97 | 251 | return sd_bus_error_set_errno(error, r); |
c3350683 | 252 | } |
1ee306e1 | 253 | |
c3350683 LP |
254 | r = sd_bus_message_close_container(reply); |
255 | if (r < 0) | |
ebcf1f97 | 256 | return sd_bus_error_set_errno(error, r); |
c3350683 | 257 | |
9030ca46 | 258 | return sd_bus_send(NULL, reply, NULL); |
c3350683 LP |
259 | } |
260 | ||
9b5ed6fe | 261 | static int method_create_or_register_machine(Manager *manager, sd_bus_message *message, bool read_network, Machine **_m, sd_bus_error *error) { |
8aec412f | 262 | const char *name, *service, *class, *root_directory; |
9b5ed6fe | 263 | const int32_t *netif = NULL; |
1ee306e1 LP |
264 | MachineClass c; |
265 | uint32_t leader; | |
266 | sd_id128_t id; | |
c3350683 | 267 | const void *v; |
1ee306e1 | 268 | Machine *m; |
9b5ed6fe | 269 | size_t n, n_netif = 0; |
c3350683 | 270 | int r; |
1ee306e1 | 271 | |
c3350683 | 272 | assert(manager); |
89f7c846 LP |
273 | assert(message); |
274 | assert(_m); | |
1ee306e1 | 275 | |
c3350683 LP |
276 | r = sd_bus_message_read(message, "s", &name); |
277 | if (r < 0) | |
ebcf1f97 | 278 | return r; |
7f0d207d | 279 | if (!machine_name_is_valid(name)) |
ebcf1f97 | 280 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine name"); |
1ee306e1 | 281 | |
c3350683 LP |
282 | r = sd_bus_message_read_array(message, 'y', &v, &n); |
283 | if (r < 0) | |
ebcf1f97 | 284 | return r; |
1ee306e1 LP |
285 | if (n == 0) |
286 | id = SD_ID128_NULL; | |
287 | else if (n == 16) | |
288 | memcpy(&id, v, n); | |
289 | else | |
ebcf1f97 | 290 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine ID parameter"); |
1ee306e1 | 291 | |
c3350683 LP |
292 | r = sd_bus_message_read(message, "ssus", &service, &class, &leader, &root_directory); |
293 | if (r < 0) | |
ebcf1f97 | 294 | return r; |
1ee306e1 | 295 | |
9b5ed6fe LP |
296 | if (read_network) { |
297 | size_t i; | |
298 | ||
299 | r = sd_bus_message_read_array(message, 'i', (const void**) &netif, &n_netif); | |
300 | if (r < 0) | |
301 | return r; | |
302 | ||
303 | n_netif /= sizeof(int32_t); | |
304 | ||
305 | for (i = 0; i < n_netif; i++) { | |
306 | if (netif[i] <= 0) | |
307 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid network interface index %i", netif[i]); | |
308 | } | |
309 | } | |
310 | ||
1ee306e1 LP |
311 | if (isempty(class)) |
312 | c = _MACHINE_CLASS_INVALID; | |
313 | else { | |
314 | c = machine_class_from_string(class); | |
315 | if (c < 0) | |
ebcf1f97 | 316 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine class parameter"); |
1ee306e1 LP |
317 | } |
318 | ||
c3350683 | 319 | if (leader == 1) |
ebcf1f97 | 320 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID"); |
1ee306e1 | 321 | |
c3350683 | 322 | if (!isempty(root_directory) && !path_is_absolute(root_directory)) |
ebcf1f97 | 323 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Root directory must be empty or an absolute path"); |
1ee306e1 | 324 | |
c3350683 | 325 | if (leader == 0) { |
5b12334d LP |
326 | _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; |
327 | ||
328 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
329 | if (r < 0) | |
330 | return r; | |
331 | ||
c3350683 | 332 | assert_cc(sizeof(uint32_t) == sizeof(pid_t)); |
554604b3 | 333 | |
5b12334d | 334 | r = sd_bus_creds_get_pid(creds, (pid_t*) &leader); |
c3350683 | 335 | if (r < 0) |
ebcf1f97 | 336 | return r; |
c3350683 | 337 | } |
554604b3 | 338 | |
1ee306e1 | 339 | if (hashmap_get(manager->machines, name)) |
ebcf1f97 | 340 | return sd_bus_error_setf(error, BUS_ERROR_MACHINE_EXISTS, "Machine '%s' already exists", name); |
1ee306e1 LP |
341 | |
342 | r = manager_add_machine(manager, name, &m); | |
343 | if (r < 0) | |
ebcf1f97 | 344 | return r; |
1ee306e1 LP |
345 | |
346 | m->leader = leader; | |
347 | m->class = c; | |
348 | m->id = id; | |
349 | ||
350 | if (!isempty(service)) { | |
351 | m->service = strdup(service); | |
352 | if (!m->service) { | |
ebcf1f97 | 353 | r = -ENOMEM; |
1ee306e1 LP |
354 | goto fail; |
355 | } | |
356 | } | |
357 | ||
358 | if (!isempty(root_directory)) { | |
359 | m->root_directory = strdup(root_directory); | |
360 | if (!m->root_directory) { | |
ebcf1f97 | 361 | r = -ENOMEM; |
1ee306e1 LP |
362 | goto fail; |
363 | } | |
364 | } | |
365 | ||
9b5ed6fe LP |
366 | if (n_netif > 0) { |
367 | assert_cc(sizeof(int32_t) == sizeof(int)); | |
368 | m->netif = memdup(netif, sizeof(int32_t) * n_netif); | |
369 | if (!m->netif) { | |
370 | r = -ENOMEM; | |
371 | goto fail; | |
372 | } | |
373 | ||
374 | m->n_netif = n_netif; | |
375 | } | |
376 | ||
89f7c846 LP |
377 | *_m = m; |
378 | ||
379 | return 1; | |
380 | ||
381 | fail: | |
382 | machine_add_to_gc_queue(m); | |
383 | return r; | |
384 | } | |
385 | ||
19070062 | 386 | static int method_create_machine_internal(sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) { |
89f7c846 LP |
387 | Manager *manager = userdata; |
388 | Machine *m = NULL; | |
389 | int r; | |
390 | ||
19070062 LP |
391 | assert(message); |
392 | assert(manager); | |
393 | ||
9b5ed6fe | 394 | r = method_create_or_register_machine(manager, message, read_network, &m, error); |
89f7c846 LP |
395 | if (r < 0) |
396 | return r; | |
397 | ||
398 | r = sd_bus_message_enter_container(message, 'a', "(sv)"); | |
399 | if (r < 0) | |
400 | goto fail; | |
401 | ||
ebcf1f97 LP |
402 | r = machine_start(m, message, error); |
403 | if (r < 0) | |
1ee306e1 LP |
404 | goto fail; |
405 | ||
c3350683 | 406 | m->create_message = sd_bus_message_ref(message); |
c3350683 | 407 | return 1; |
1ee306e1 LP |
408 | |
409 | fail: | |
a3e7f417 | 410 | machine_add_to_gc_queue(m); |
89f7c846 LP |
411 | return r; |
412 | } | |
1ee306e1 | 413 | |
19070062 LP |
414 | static int method_create_machine_with_network(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
415 | return method_create_machine_internal(message, true, userdata, error); | |
9b5ed6fe LP |
416 | } |
417 | ||
19070062 LP |
418 | static int method_create_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
419 | return method_create_machine_internal(message, false, userdata, error); | |
9b5ed6fe LP |
420 | } |
421 | ||
19070062 | 422 | static int method_register_machine_internal(sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) { |
89f7c846 LP |
423 | Manager *manager = userdata; |
424 | _cleanup_free_ char *p = NULL; | |
425 | Machine *m = NULL; | |
426 | int r; | |
427 | ||
19070062 LP |
428 | assert(message); |
429 | assert(manager); | |
430 | ||
9b5ed6fe | 431 | r = method_create_or_register_machine(manager, message, read_network, &m, error); |
89f7c846 LP |
432 | if (r < 0) |
433 | return r; | |
434 | ||
435 | r = cg_pid_get_unit(m->leader, &m->unit); | |
436 | if (r < 0) { | |
437 | r = sd_bus_error_set_errnof(error, r, "Failed to determine unit of process "PID_FMT" : %s", m->leader, strerror(-r)); | |
438 | goto fail; | |
439 | } | |
440 | ||
441 | r = machine_start(m, NULL, error); | |
442 | if (r < 0) | |
443 | goto fail; | |
444 | ||
445 | p = machine_bus_path(m); | |
446 | if (!p) { | |
447 | r = -ENOMEM; | |
448 | goto fail; | |
449 | } | |
450 | ||
451 | return sd_bus_reply_method_return(message, "o", p); | |
452 | ||
453 | fail: | |
454 | machine_add_to_gc_queue(m); | |
1ee306e1 LP |
455 | return r; |
456 | } | |
457 | ||
19070062 LP |
458 | static int method_register_machine_with_network(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
459 | return method_register_machine_internal(message, true, userdata, error); | |
9b5ed6fe LP |
460 | } |
461 | ||
19070062 LP |
462 | static int method_register_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
463 | return method_register_machine_internal(message, false, userdata, error); | |
9b5ed6fe LP |
464 | } |
465 | ||
19070062 | 466 | static int method_terminate_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1ee306e1 | 467 | Manager *m = userdata; |
c3350683 LP |
468 | Machine *machine; |
469 | const char *name; | |
1ee306e1 LP |
470 | int r; |
471 | ||
1ee306e1 LP |
472 | assert(message); |
473 | assert(m); | |
474 | ||
c3350683 LP |
475 | r = sd_bus_message_read(message, "s", &name); |
476 | if (r < 0) | |
ebcf1f97 | 477 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 478 | |
c3350683 LP |
479 | machine = hashmap_get(m->machines, name); |
480 | if (!machine) | |
ebcf1f97 | 481 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
1ee306e1 | 482 | |
19070062 | 483 | return bus_machine_method_terminate(message, machine, error); |
c3350683 | 484 | } |
1ee306e1 | 485 | |
19070062 | 486 | static int method_kill_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
487 | Manager *m = userdata; |
488 | Machine *machine; | |
489 | const char *name; | |
c3350683 | 490 | int r; |
1ee306e1 | 491 | |
c3350683 LP |
492 | assert(message); |
493 | assert(m); | |
1ee306e1 | 494 | |
878cd7e9 | 495 | r = sd_bus_message_read(message, "s", &name); |
c3350683 | 496 | if (r < 0) |
ebcf1f97 | 497 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 498 | |
c3350683 LP |
499 | machine = hashmap_get(m->machines, name); |
500 | if (!machine) | |
ebcf1f97 | 501 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
1ee306e1 | 502 | |
19070062 | 503 | return bus_machine_method_kill(message, machine, error); |
878cd7e9 LP |
504 | } |
505 | ||
19070062 | 506 | static int method_get_machine_addresses(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
878cd7e9 LP |
507 | Manager *m = userdata; |
508 | Machine *machine; | |
509 | const char *name; | |
510 | int r; | |
511 | ||
878cd7e9 LP |
512 | assert(message); |
513 | assert(m); | |
514 | ||
515 | r = sd_bus_message_read(message, "s", &name); | |
c3350683 | 516 | if (r < 0) |
ebcf1f97 | 517 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 518 | |
878cd7e9 LP |
519 | machine = hashmap_get(m->machines, name); |
520 | if (!machine) | |
521 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
522 | ||
19070062 | 523 | return bus_machine_method_get_addresses(message, machine, error); |
c3350683 | 524 | } |
1ee306e1 | 525 | |
19070062 | 526 | static int method_get_machine_os_release(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
717603e3 LP |
527 | Manager *m = userdata; |
528 | Machine *machine; | |
529 | const char *name; | |
530 | int r; | |
531 | ||
717603e3 LP |
532 | assert(message); |
533 | assert(m); | |
534 | ||
535 | r = sd_bus_message_read(message, "s", &name); | |
536 | if (r < 0) | |
537 | return sd_bus_error_set_errno(error, r); | |
538 | ||
539 | machine = hashmap_get(m->machines, name); | |
540 | if (!machine) | |
541 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
542 | ||
19070062 | 543 | return bus_machine_method_get_os_release(message, machine, error); |
717603e3 LP |
544 | } |
545 | ||
19070062 | 546 | static int method_list_images(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
cd61c3bf LP |
547 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; |
548 | _cleanup_(image_hashmap_freep) Hashmap *images = NULL; | |
549 | Manager *m = userdata; | |
550 | Image *image; | |
551 | Iterator i; | |
552 | int r; | |
553 | ||
cd61c3bf LP |
554 | assert(message); |
555 | assert(m); | |
556 | ||
557 | images = hashmap_new(&string_hash_ops); | |
558 | if (!images) | |
559 | return -ENOMEM; | |
560 | ||
561 | r = image_discover(images); | |
562 | if (r < 0) | |
563 | return r; | |
564 | ||
565 | r = sd_bus_message_new_method_return(message, &reply); | |
566 | if (r < 0) | |
567 | return r; | |
568 | ||
b6b18498 | 569 | r = sd_bus_message_open_container(reply, 'a', "(ssbttto)"); |
cd61c3bf LP |
570 | if (r < 0) |
571 | return r; | |
572 | ||
573 | HASHMAP_FOREACH(image, images, i) { | |
574 | _cleanup_free_ char *p = NULL; | |
575 | ||
576 | p = image_bus_path(image->name); | |
577 | if (!p) | |
578 | return -ENOMEM; | |
579 | ||
b6b18498 | 580 | r = sd_bus_message_append(reply, "(ssbttto)", |
cd61c3bf LP |
581 | image->name, |
582 | image_type_to_string(image->type), | |
583 | image->read_only, | |
10f9c755 LP |
584 | image->crtime, |
585 | image->mtime, | |
c19de711 | 586 | image->usage, |
cd61c3bf LP |
587 | p); |
588 | if (r < 0) | |
589 | return r; | |
590 | } | |
591 | ||
592 | r = sd_bus_message_close_container(reply); | |
593 | if (r < 0) | |
594 | return r; | |
595 | ||
9030ca46 | 596 | return sd_bus_send(NULL, reply, NULL); |
cd61c3bf LP |
597 | } |
598 | ||
19070062 | 599 | static int method_open_machine_pty(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
40205d70 LP |
600 | Manager *m = userdata; |
601 | Machine *machine; | |
602 | const char *name; | |
603 | int r; | |
604 | ||
40205d70 LP |
605 | assert(message); |
606 | assert(m); | |
607 | ||
608 | r = sd_bus_message_read(message, "s", &name); | |
609 | if (r < 0) | |
610 | return sd_bus_error_set_errno(error, r); | |
611 | ||
612 | machine = hashmap_get(m->machines, name); | |
613 | if (!machine) | |
614 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
615 | ||
19070062 | 616 | return bus_machine_method_open_pty(message, machine, error); |
40205d70 LP |
617 | } |
618 | ||
19070062 | 619 | static int method_open_machine_login(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
5f8cc96a LP |
620 | Manager *m = userdata; |
621 | Machine *machine; | |
622 | const char *name; | |
623 | int r; | |
624 | ||
5f8cc96a LP |
625 | assert(message); |
626 | assert(m); | |
627 | ||
628 | r = sd_bus_message_read(message, "s", &name); | |
629 | if (r < 0) | |
08682124 | 630 | return r; |
5f8cc96a LP |
631 | |
632 | machine = hashmap_get(m->machines, name); | |
633 | if (!machine) | |
634 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
635 | ||
19070062 | 636 | return bus_machine_method_open_login(message, machine, error); |
5f8cc96a LP |
637 | } |
638 | ||
19070062 | 639 | static int method_bind_mount_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
90adaa25 LP |
640 | Manager *m = userdata; |
641 | Machine *machine; | |
642 | const char *name; | |
643 | int r; | |
644 | ||
90adaa25 LP |
645 | assert(message); |
646 | assert(m); | |
647 | ||
648 | r = sd_bus_message_read(message, "s", &name); | |
649 | if (r < 0) | |
650 | return r; | |
651 | ||
652 | machine = hashmap_get(m->machines, name); | |
653 | if (!machine) | |
654 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
655 | ||
19070062 | 656 | return bus_machine_method_bind_mount(message, machine, error); |
90adaa25 LP |
657 | } |
658 | ||
19070062 | 659 | static int method_copy_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
0370612e LP |
660 | Manager *m = userdata; |
661 | Machine *machine; | |
662 | const char *name; | |
663 | int r; | |
664 | ||
0370612e LP |
665 | assert(message); |
666 | assert(m); | |
667 | ||
668 | r = sd_bus_message_read(message, "s", &name); | |
669 | if (r < 0) | |
670 | return r; | |
671 | ||
672 | machine = hashmap_get(m->machines, name); | |
673 | if (!machine) | |
674 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
675 | ||
19070062 | 676 | return bus_machine_method_copy(message, machine, error); |
0370612e LP |
677 | } |
678 | ||
19070062 | 679 | static int method_remove_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
08682124 LP |
680 | _cleanup_(image_unrefp) Image* i = NULL; |
681 | const char *name; | |
682 | int r; | |
683 | ||
08682124 LP |
684 | assert(message); |
685 | ||
686 | r = sd_bus_message_read(message, "s", &name); | |
687 | if (r < 0) | |
688 | return r; | |
689 | ||
690 | if (!image_name_is_valid(name)) | |
691 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
692 | ||
693 | r = image_find(name, &i); | |
694 | if (r < 0) | |
695 | return r; | |
696 | if (r == 0) | |
697 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
698 | ||
70244d1d | 699 | i->userdata = userdata; |
19070062 | 700 | return bus_image_method_remove(message, i, error); |
08682124 LP |
701 | } |
702 | ||
19070062 | 703 | static int method_rename_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
ebd93cb6 | 704 | _cleanup_(image_unrefp) Image* i = NULL; |
1ddb263d | 705 | const char *old_name; |
ebd93cb6 LP |
706 | int r; |
707 | ||
ebd93cb6 LP |
708 | assert(message); |
709 | ||
1ddb263d | 710 | r = sd_bus_message_read(message, "s", &old_name); |
ebd93cb6 LP |
711 | if (r < 0) |
712 | return r; | |
713 | ||
714 | if (!image_name_is_valid(old_name)) | |
715 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", old_name); | |
ebd93cb6 LP |
716 | |
717 | r = image_find(old_name, &i); | |
718 | if (r < 0) | |
719 | return r; | |
720 | if (r == 0) | |
721 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", old_name); | |
722 | ||
70244d1d | 723 | i->userdata = userdata; |
19070062 | 724 | return bus_image_method_rename(message, i, error); |
ebd93cb6 LP |
725 | } |
726 | ||
19070062 | 727 | static int method_clone_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
ebd93cb6 | 728 | _cleanup_(image_unrefp) Image *i = NULL; |
1ddb263d LP |
729 | const char *old_name; |
730 | int r; | |
ebd93cb6 | 731 | |
19070062 LP |
732 | assert(message); |
733 | ||
1ddb263d | 734 | r = sd_bus_message_read(message, "s", &old_name); |
ebd93cb6 LP |
735 | if (r < 0) |
736 | return r; | |
737 | ||
738 | if (!image_name_is_valid(old_name)) | |
739 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", old_name); | |
ebd93cb6 LP |
740 | |
741 | r = image_find(old_name, &i); | |
742 | if (r < 0) | |
743 | return r; | |
744 | if (r == 0) | |
745 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", old_name); | |
746 | ||
70244d1d | 747 | i->userdata = userdata; |
19070062 | 748 | return bus_image_method_clone(message, i, error); |
ebd93cb6 LP |
749 | } |
750 | ||
19070062 | 751 | static int method_mark_image_read_only(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
ebd93cb6 LP |
752 | _cleanup_(image_unrefp) Image *i = NULL; |
753 | const char *name; | |
1ddb263d | 754 | int r; |
ebd93cb6 | 755 | |
19070062 LP |
756 | assert(message); |
757 | ||
1ddb263d | 758 | r = sd_bus_message_read(message, "s", &name); |
ebd93cb6 LP |
759 | if (r < 0) |
760 | return r; | |
761 | ||
762 | if (!image_name_is_valid(name)) | |
763 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
764 | ||
765 | r = image_find(name, &i); | |
766 | if (r < 0) | |
767 | return r; | |
768 | if (r == 0) | |
769 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
770 | ||
70244d1d | 771 | i->userdata = userdata; |
19070062 | 772 | return bus_image_method_mark_read_only(message, i, error); |
ebd93cb6 LP |
773 | } |
774 | ||
19070062 | 775 | static int method_set_pool_limit(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
d6ce17c7 LP |
776 | Manager *m = userdata; |
777 | uint64_t limit; | |
778 | int r; | |
779 | ||
19070062 LP |
780 | assert(message); |
781 | ||
d6ce17c7 LP |
782 | r = sd_bus_message_read(message, "t", &limit); |
783 | if (r < 0) | |
784 | return r; | |
785 | ||
786 | r = bus_verify_polkit_async( | |
787 | message, | |
788 | CAP_SYS_ADMIN, | |
789 | "org.freedesktop.machine1.manage-machines", | |
790 | false, | |
791 | UID_INVALID, | |
792 | &m->polkit_registry, | |
793 | error); | |
794 | if (r < 0) | |
795 | return r; | |
796 | if (r == 0) | |
797 | return 1; /* Will call us back */ | |
798 | ||
4cee5eed LP |
799 | /* Set up the machine directory if necessary */ |
800 | r = setup_machine_directory(limit, error); | |
801 | if (r < 0) | |
802 | return r; | |
803 | ||
26166c88 LP |
804 | r = btrfs_resize_loopback("/var/lib/machines", limit, false); |
805 | if (r == -ENOTTY) | |
806 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Quota is only supported on btrfs."); | |
807 | if (r < 0 && r != -ENODEV) /* ignore ENODEV, as that's what is returned if the file system is not on loopback */ | |
efe02862 LP |
808 | return sd_bus_error_set_errnof(error, r, "Failed to adjust loopback limit: %m"); |
809 | ||
d6ce17c7 LP |
810 | r = btrfs_quota_limit("/var/lib/machines", limit); |
811 | if (r == -ENOTTY) | |
812 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Quota is only supported on btrfs."); | |
26166c88 | 813 | if (r < 0) |
d6ce17c7 LP |
814 | return sd_bus_error_set_errnof(error, r, "Failed to adjust quota limit: %m"); |
815 | ||
816 | return sd_bus_reply_method_return(message, NULL); | |
817 | } | |
818 | ||
19070062 | 819 | static int method_set_image_limit(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
d6ce17c7 LP |
820 | _cleanup_(image_unrefp) Image *i = NULL; |
821 | const char *name; | |
822 | int r; | |
823 | ||
19070062 LP |
824 | assert(message); |
825 | ||
d6ce17c7 LP |
826 | r = sd_bus_message_read(message, "s", &name); |
827 | if (r < 0) | |
828 | return r; | |
829 | ||
830 | if (!image_name_is_valid(name)) | |
831 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
832 | ||
833 | r = image_find(name, &i); | |
834 | if (r < 0) | |
835 | return r; | |
836 | if (r == 0) | |
837 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
838 | ||
839 | i->userdata = userdata; | |
19070062 | 840 | return bus_image_method_set_limit(message, i, error); |
d6ce17c7 LP |
841 | } |
842 | ||
c3350683 LP |
843 | const sd_bus_vtable manager_vtable[] = { |
844 | SD_BUS_VTABLE_START(0), | |
160e3793 LP |
845 | SD_BUS_PROPERTY("PoolPath", "s", property_get_pool_path, 0, 0), |
846 | SD_BUS_PROPERTY("PoolUsage", "t", property_get_pool_usage, 0, 0), | |
847 | SD_BUS_PROPERTY("PoolLimit", "t", property_get_pool_limit, 0, 0), | |
adacb957 | 848 | SD_BUS_METHOD("GetMachine", "s", "o", method_get_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
c2ce6a3d | 849 | SD_BUS_METHOD("GetImage", "s", "o", method_get_image, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
850 | SD_BUS_METHOD("GetMachineByPID", "u", "o", method_get_machine_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), |
851 | SD_BUS_METHOD("ListMachines", NULL, "a(ssso)", method_list_machines, SD_BUS_VTABLE_UNPRIVILEGED), | |
b6b18498 | 852 | SD_BUS_METHOD("ListImages", NULL, "a(ssbttto)", method_list_images, SD_BUS_VTABLE_UNPRIVILEGED), |
c3350683 | 853 | SD_BUS_METHOD("CreateMachine", "sayssusa(sv)", "o", method_create_machine, 0), |
9b5ed6fe | 854 | SD_BUS_METHOD("CreateMachineWithNetwork", "sayssusaia(sv)", "o", method_create_machine_with_network, 0), |
8d07a7c4 | 855 | SD_BUS_METHOD("RegisterMachine", "sayssus", "o", method_register_machine, 0), |
9b5ed6fe | 856 | SD_BUS_METHOD("RegisterMachineWithNetwork", "sayssusai", "o", method_register_machine_with_network, 0), |
70244d1d LP |
857 | SD_BUS_METHOD("TerminateMachine", "s", NULL, method_terminate_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
858 | SD_BUS_METHOD("KillMachine", "ssi", NULL, method_kill_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
3a6fb33c | 859 | SD_BUS_METHOD("GetMachineAddresses", "s", "a(iay)", method_get_machine_addresses, SD_BUS_VTABLE_UNPRIVILEGED), |
717603e3 | 860 | SD_BUS_METHOD("GetMachineOSRelease", "s", "a{ss}", method_get_machine_os_release, SD_BUS_VTABLE_UNPRIVILEGED), |
40205d70 | 861 | SD_BUS_METHOD("OpenMachinePTY", "s", "hs", method_open_machine_pty, 0), |
d04c1fb8 | 862 | SD_BUS_METHOD("OpenMachineLogin", "s", "hs", method_open_machine_login, SD_BUS_VTABLE_UNPRIVILEGED), |
70244d1d LP |
863 | SD_BUS_METHOD("BindMountMachine", "sssbb", NULL, method_bind_mount_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
864 | SD_BUS_METHOD("CopyFromMachine", "sss", NULL, method_copy_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
865 | SD_BUS_METHOD("CopyToMachine", "sss", NULL, method_copy_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
866 | SD_BUS_METHOD("RemoveImage", "s", NULL, method_remove_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
867 | SD_BUS_METHOD("RenameImage", "ss", NULL, method_rename_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
868 | SD_BUS_METHOD("CloneImage", "ssb", NULL, method_clone_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
869 | SD_BUS_METHOD("MarkImageReadOnly", "sb", NULL, method_mark_image_read_only, SD_BUS_VTABLE_UNPRIVILEGED), | |
d6ce17c7 LP |
870 | SD_BUS_METHOD("SetPoolLimit", "t", NULL, method_set_pool_limit, SD_BUS_VTABLE_UNPRIVILEGED), |
871 | SD_BUS_METHOD("SetImageLimit", "st", NULL, method_set_image_limit, SD_BUS_VTABLE_UNPRIVILEGED), | |
c3350683 LP |
872 | SD_BUS_SIGNAL("MachineNew", "so", 0), |
873 | SD_BUS_SIGNAL("MachineRemoved", "so", 0), | |
874 | SD_BUS_VTABLE_END | |
875 | }; | |
1ee306e1 | 876 | |
19070062 | 877 | int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 878 | const char *path, *result, *unit; |
1ee306e1 | 879 | Manager *m = userdata; |
c3350683 LP |
880 | Machine *machine; |
881 | uint32_t id; | |
882 | int r; | |
1ee306e1 | 883 | |
1ee306e1 | 884 | assert(message); |
c3350683 | 885 | assert(m); |
1ee306e1 | 886 | |
c3350683 LP |
887 | r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result); |
888 | if (r < 0) { | |
ebcf1f97 LP |
889 | bus_log_parse_error(r); |
890 | return r; | |
c3350683 | 891 | } |
6797c324 | 892 | |
c3350683 LP |
893 | machine = hashmap_get(m->machine_units, unit); |
894 | if (!machine) | |
895 | return 0; | |
6797c324 | 896 | |
c3350683 LP |
897 | if (streq_ptr(path, machine->scope_job)) { |
898 | free(machine->scope_job); | |
899 | machine->scope_job = NULL; | |
6797c324 | 900 | |
c3350683 LP |
901 | if (machine->started) { |
902 | if (streq(result, "done")) | |
903 | machine_send_create_reply(machine, NULL); | |
904 | else { | |
ebcf1f97 | 905 | _cleanup_bus_error_free_ sd_bus_error e = SD_BUS_ERROR_NULL; |
6797c324 | 906 | |
ebcf1f97 | 907 | sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result); |
6797c324 | 908 | |
ebcf1f97 | 909 | machine_send_create_reply(machine, &e); |
c3350683 LP |
910 | } |
911 | } else | |
912 | machine_save(machine); | |
1ee306e1 LP |
913 | } |
914 | ||
c3350683 LP |
915 | machine_add_to_gc_queue(machine); |
916 | return 0; | |
1ee306e1 LP |
917 | } |
918 | ||
19070062 | 919 | int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 920 | _cleanup_free_ char *unit = NULL; |
9b420b3c | 921 | const char *path, *interface; |
c3350683 LP |
922 | Manager *m = userdata; |
923 | Machine *machine; | |
ebcf1f97 | 924 | int r; |
554604b3 | 925 | |
c3350683 LP |
926 | assert(message); |
927 | assert(m); | |
554604b3 | 928 | |
c3350683 LP |
929 | path = sd_bus_message_get_path(message); |
930 | if (!path) | |
554604b3 | 931 | return 0; |
554604b3 | 932 | |
ebcf1f97 | 933 | r = unit_name_from_dbus_path(path, &unit); |
e5f5b5b9 LP |
934 | if (r == -EINVAL) /* not for a unit */ |
935 | return 0; | |
9b420b3c LP |
936 | if (r < 0){ |
937 | log_oom(); | |
938 | return 0; | |
939 | } | |
554604b3 | 940 | |
c3350683 | 941 | machine = hashmap_get(m->machine_units, unit); |
9b420b3c LP |
942 | if (!machine) |
943 | return 0; | |
944 | ||
945 | r = sd_bus_message_read(message, "s", &interface); | |
946 | if (r < 0) { | |
947 | bus_log_parse_error(r); | |
948 | return 0; | |
949 | } | |
950 | ||
951 | if (streq(interface, "org.freedesktop.systemd1.Unit")) { | |
952 | struct properties { | |
953 | char *active_state; | |
954 | char *sub_state; | |
955 | } properties = {}; | |
554604b3 | 956 | |
9b420b3c LP |
957 | const struct bus_properties_map map[] = { |
958 | { "ActiveState", "s", NULL, offsetof(struct properties, active_state) }, | |
959 | { "SubState", "s", NULL, offsetof(struct properties, sub_state) }, | |
960 | {} | |
961 | }; | |
962 | ||
963 | r = bus_message_map_properties_changed(message, map, &properties); | |
964 | if (r < 0) | |
965 | bus_log_parse_error(r); | |
966 | else if (streq_ptr(properties.active_state, "inactive") || | |
967 | streq_ptr(properties.active_state, "failed") || | |
968 | streq_ptr(properties.sub_state, "auto-restart")) | |
969 | machine_release_unit(machine); | |
970 | ||
971 | free(properties.active_state); | |
972 | free(properties.sub_state); | |
973 | } | |
974 | ||
975 | machine_add_to_gc_queue(machine); | |
c3350683 LP |
976 | return 0; |
977 | } | |
554604b3 | 978 | |
19070062 | 979 | int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
980 | const char *path, *unit; |
981 | Manager *m = userdata; | |
982 | Machine *machine; | |
983 | int r; | |
554604b3 | 984 | |
c3350683 LP |
985 | assert(message); |
986 | assert(m); | |
554604b3 | 987 | |
c3350683 LP |
988 | r = sd_bus_message_read(message, "so", &unit, &path); |
989 | if (r < 0) { | |
ebcf1f97 | 990 | bus_log_parse_error(r); |
9b420b3c | 991 | return 0; |
554604b3 LP |
992 | } |
993 | ||
c3350683 | 994 | machine = hashmap_get(m->machine_units, unit); |
9b420b3c LP |
995 | if (!machine) |
996 | return 0; | |
997 | ||
998 | machine_release_unit(machine); | |
999 | machine_add_to_gc_queue(machine); | |
554604b3 | 1000 | |
c3350683 LP |
1001 | return 0; |
1002 | } | |
554604b3 | 1003 | |
19070062 | 1004 | int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 1005 | Manager *m = userdata; |
a658cafa LP |
1006 | Machine *machine; |
1007 | Iterator i; | |
c3350683 | 1008 | int b, r; |
554604b3 | 1009 | |
19070062 LP |
1010 | assert(message); |
1011 | assert(m); | |
554604b3 | 1012 | |
c3350683 LP |
1013 | r = sd_bus_message_read(message, "b", &b); |
1014 | if (r < 0) { | |
ebcf1f97 LP |
1015 | bus_log_parse_error(r); |
1016 | return r; | |
554604b3 | 1017 | } |
a658cafa LP |
1018 | if (b) |
1019 | return 0; | |
554604b3 | 1020 | |
a658cafa LP |
1021 | /* systemd finished reloading, let's recheck all our machines */ |
1022 | log_debug("System manager has been reloaded, rechecking machines..."); | |
554604b3 | 1023 | |
a658cafa LP |
1024 | HASHMAP_FOREACH(machine, m->machines, i) |
1025 | machine_add_to_gc_queue(machine); | |
554604b3 LP |
1026 | |
1027 | return 0; | |
1028 | } | |
1029 | ||
1ee306e1 LP |
1030 | int manager_start_scope( |
1031 | Manager *manager, | |
1032 | const char *scope, | |
1033 | pid_t pid, | |
1034 | const char *slice, | |
1035 | const char *description, | |
c3350683 LP |
1036 | sd_bus_message *more_properties, |
1037 | sd_bus_error *error, | |
1ee306e1 LP |
1038 | char **job) { |
1039 | ||
c3350683 | 1040 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL; |
554604b3 | 1041 | int r; |
1ee306e1 LP |
1042 | |
1043 | assert(manager); | |
1044 | assert(scope); | |
1045 | assert(pid > 1); | |
1046 | ||
c3350683 LP |
1047 | r = sd_bus_message_new_method_call( |
1048 | manager->bus, | |
151b9b96 | 1049 | &m, |
1ee306e1 LP |
1050 | "org.freedesktop.systemd1", |
1051 | "/org/freedesktop/systemd1", | |
1052 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 1053 | "StartTransientUnit"); |
c3350683 LP |
1054 | if (r < 0) |
1055 | return r; | |
1ee306e1 | 1056 | |
a658cafa | 1057 | r = sd_bus_message_append(m, "ss", strempty(scope), "fail"); |
c3350683 LP |
1058 | if (r < 0) |
1059 | return r; | |
1ee306e1 | 1060 | |
c3350683 LP |
1061 | r = sd_bus_message_open_container(m, 'a', "(sv)"); |
1062 | if (r < 0) | |
1063 | return r; | |
1ee306e1 LP |
1064 | |
1065 | if (!isempty(slice)) { | |
c3350683 LP |
1066 | r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice); |
1067 | if (r < 0) | |
1068 | return r; | |
1ee306e1 LP |
1069 | } |
1070 | ||
1071 | if (!isempty(description)) { | |
c3350683 LP |
1072 | r = sd_bus_message_append(m, "(sv)", "Description", "s", description); |
1073 | if (r < 0) | |
1074 | return r; | |
1ee306e1 LP |
1075 | } |
1076 | ||
c3350683 LP |
1077 | r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid); |
1078 | if (r < 0) | |
1079 | return r; | |
554604b3 | 1080 | |
a931ad47 LP |
1081 | r = sd_bus_message_append(m, "(sv)", "Delegate", "b", 1); |
1082 | if (r < 0) | |
1083 | return r; | |
1084 | ||
554604b3 | 1085 | if (more_properties) { |
c3350683 | 1086 | r = sd_bus_message_copy(m, more_properties, true); |
554604b3 LP |
1087 | if (r < 0) |
1088 | return r; | |
1089 | } | |
1090 | ||
c3350683 LP |
1091 | r = sd_bus_message_close_container(m); |
1092 | if (r < 0) | |
1093 | return r; | |
1ee306e1 | 1094 | |
86b8d289 LP |
1095 | r = sd_bus_message_append(m, "a(sa(sv))", 0); |
1096 | if (r < 0) | |
1097 | return r; | |
1098 | ||
c49b30a2 | 1099 | r = sd_bus_call(manager->bus, m, 0, error, &reply); |
c3350683 LP |
1100 | if (r < 0) |
1101 | return r; | |
1ee306e1 LP |
1102 | |
1103 | if (job) { | |
1104 | const char *j; | |
1105 | char *copy; | |
1106 | ||
c3350683 LP |
1107 | r = sd_bus_message_read(reply, "o", &j); |
1108 | if (r < 0) | |
1109 | return r; | |
1ee306e1 LP |
1110 | |
1111 | copy = strdup(j); | |
1112 | if (!copy) | |
1113 | return -ENOMEM; | |
1114 | ||
1115 | *job = copy; | |
1116 | } | |
1117 | ||
c3350683 | 1118 | return 1; |
1ee306e1 LP |
1119 | } |
1120 | ||
c3350683 LP |
1121 | int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { |
1122 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
1ee306e1 LP |
1123 | int r; |
1124 | ||
1125 | assert(manager); | |
1126 | assert(unit); | |
1127 | ||
c3350683 | 1128 | r = sd_bus_call_method( |
1ee306e1 LP |
1129 | manager->bus, |
1130 | "org.freedesktop.systemd1", | |
1131 | "/org/freedesktop/systemd1", | |
1132 | "org.freedesktop.systemd1.Manager", | |
1133 | "StopUnit", | |
1ee306e1 | 1134 | error, |
c3350683 LP |
1135 | &reply, |
1136 | "ss", unit, "fail"); | |
1ee306e1 | 1137 | if (r < 0) { |
c3350683 LP |
1138 | if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) || |
1139 | sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) { | |
6797c324 LP |
1140 | |
1141 | if (job) | |
1142 | *job = NULL; | |
1143 | ||
c3350683 | 1144 | sd_bus_error_free(error); |
6797c324 LP |
1145 | return 0; |
1146 | } | |
1147 | ||
1ee306e1 LP |
1148 | return r; |
1149 | } | |
1150 | ||
1151 | if (job) { | |
1152 | const char *j; | |
1153 | char *copy; | |
1154 | ||
c3350683 LP |
1155 | r = sd_bus_message_read(reply, "o", &j); |
1156 | if (r < 0) | |
1157 | return r; | |
1ee306e1 LP |
1158 | |
1159 | copy = strdup(j); | |
1160 | if (!copy) | |
1161 | return -ENOMEM; | |
1162 | ||
1163 | *job = copy; | |
1164 | } | |
1165 | ||
6797c324 | 1166 | return 1; |
1ee306e1 LP |
1167 | } |
1168 | ||
de58a50e | 1169 | int manager_kill_unit(Manager *manager, const char *unit, int signo, sd_bus_error *error) { |
1ee306e1 LP |
1170 | assert(manager); |
1171 | assert(unit); | |
1172 | ||
a658cafa | 1173 | return sd_bus_call_method( |
1ee306e1 LP |
1174 | manager->bus, |
1175 | "org.freedesktop.systemd1", | |
1176 | "/org/freedesktop/systemd1", | |
1177 | "org.freedesktop.systemd1.Manager", | |
1178 | "KillUnit", | |
1ee306e1 | 1179 | error, |
a658cafa | 1180 | NULL, |
de58a50e | 1181 | "ssi", unit, "all", signo); |
1ee306e1 LP |
1182 | } |
1183 | ||
1184 | int manager_unit_is_active(Manager *manager, const char *unit) { | |
c3350683 LP |
1185 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
1186 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
1ee306e1 | 1187 | _cleanup_free_ char *path = NULL; |
1ee306e1 | 1188 | const char *state; |
1ee306e1 LP |
1189 | int r; |
1190 | ||
1191 | assert(manager); | |
1192 | assert(unit); | |
1193 | ||
1ee306e1 LP |
1194 | path = unit_dbus_path_from_name(unit); |
1195 | if (!path) | |
1196 | return -ENOMEM; | |
1197 | ||
c3350683 | 1198 | r = sd_bus_get_property( |
1ee306e1 LP |
1199 | manager->bus, |
1200 | "org.freedesktop.systemd1", | |
1201 | path, | |
c3350683 LP |
1202 | "org.freedesktop.systemd1.Unit", |
1203 | "ActiveState", | |
1ee306e1 | 1204 | &error, |
c3350683 LP |
1205 | &reply, |
1206 | "s"); | |
1ee306e1 | 1207 | if (r < 0) { |
c3350683 LP |
1208 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || |
1209 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
6797c324 | 1210 | return true; |
6797c324 | 1211 | |
c3350683 LP |
1212 | if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) || |
1213 | sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED)) | |
6797c324 | 1214 | return false; |
6797c324 | 1215 | |
1ee306e1 LP |
1216 | return r; |
1217 | } | |
1218 | ||
c3350683 LP |
1219 | r = sd_bus_message_read(reply, "s", &state); |
1220 | if (r < 0) | |
1ee306e1 | 1221 | return -EINVAL; |
1ee306e1 | 1222 | |
9b420b3c | 1223 | return !STR_IN_SET(state, "inactive", "failed"); |
1ee306e1 | 1224 | } |
bd16acf3 | 1225 | |
c3350683 LP |
1226 | int manager_job_is_active(Manager *manager, const char *path) { |
1227 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
1228 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
1229 | int r; | |
bd16acf3 | 1230 | |
c3350683 LP |
1231 | assert(manager); |
1232 | assert(path); | |
bd16acf3 | 1233 | |
c3350683 LP |
1234 | r = sd_bus_get_property( |
1235 | manager->bus, | |
1236 | "org.freedesktop.systemd1", | |
1237 | path, | |
1238 | "org.freedesktop.systemd1.Job", | |
1239 | "State", | |
1240 | &error, | |
1241 | &reply, | |
1242 | "s"); | |
1243 | if (r < 0) { | |
1244 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || | |
1245 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
1246 | return true; | |
bd16acf3 | 1247 | |
c3350683 LP |
1248 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT)) |
1249 | return false; | |
bd16acf3 | 1250 | |
bd16acf3 | 1251 | return r; |
c3350683 | 1252 | } |
bd16acf3 | 1253 | |
c3350683 LP |
1254 | /* We don't actually care about the state really. The fact |
1255 | * that we could read the job state is enough for us */ | |
bd16acf3 | 1256 | |
c3350683 | 1257 | return true; |
bd16acf3 | 1258 | } |
ab49725f KS |
1259 | |
1260 | int manager_get_machine_by_pid(Manager *m, pid_t pid, Machine **machine) { | |
1261 | _cleanup_free_ char *unit = NULL; | |
1262 | Machine *mm; | |
1263 | int r; | |
1264 | ||
1265 | assert(m); | |
1266 | assert(pid >= 1); | |
1267 | assert(machine); | |
1268 | ||
1269 | r = cg_pid_get_unit(pid, &unit); | |
1270 | if (r < 0) | |
1271 | mm = hashmap_get(m->machine_leaders, UINT_TO_PTR(pid)); | |
1272 | else | |
1273 | mm = hashmap_get(m->machine_units, unit); | |
1274 | ||
1275 | if (!mm) | |
1276 | return 0; | |
1277 | ||
1278 | *machine = mm; | |
1279 | return 1; | |
1280 | } | |
1281 | ||
1282 | int manager_add_machine(Manager *m, const char *name, Machine **_machine) { | |
1283 | Machine *machine; | |
1284 | ||
1285 | assert(m); | |
1286 | assert(name); | |
1287 | ||
1288 | machine = hashmap_get(m->machines, name); | |
1289 | if (!machine) { | |
1290 | machine = machine_new(m, name); | |
1291 | if (!machine) | |
1292 | return -ENOMEM; | |
1293 | } | |
1294 | ||
1295 | if (_machine) | |
1296 | *_machine = machine; | |
1297 | ||
1298 | return 0; | |
1299 | } |