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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 | ||
ebcf1f97 | 128 | static int method_get_machine(sd_bus *bus, 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 | ||
135 | assert(bus); | |
136 | assert(message); | |
137 | assert(m); | |
138 | ||
139 | r = sd_bus_message_read(message, "s", &name); | |
140 | if (r < 0) | |
ebcf1f97 | 141 | return r; |
c3350683 LP |
142 | |
143 | machine = hashmap_get(m->machines, name); | |
144 | if (!machine) | |
ebcf1f97 | 145 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
c3350683 LP |
146 | |
147 | p = machine_bus_path(machine); | |
148 | if (!p) | |
ebcf1f97 | 149 | return -ENOMEM; |
c3350683 | 150 | |
df2d202e | 151 | return sd_bus_reply_method_return(message, "o", p); |
c3350683 LP |
152 | } |
153 | ||
c2ce6a3d LP |
154 | static int method_get_image(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
155 | _cleanup_free_ char *p = NULL; | |
156 | Manager *m = userdata; | |
157 | const char *name; | |
158 | int r; | |
159 | ||
160 | assert(bus); | |
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 | ||
ebcf1f97 | 181 | static int method_get_machine_by_pid(sd_bus *bus, 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 | ||
188 | assert(bus); | |
189 | assert(message); | |
190 | assert(m); | |
191 | ||
4e724d9c LP |
192 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
193 | ||
c3350683 LP |
194 | r = sd_bus_message_read(message, "u", &pid); |
195 | if (r < 0) | |
ebcf1f97 | 196 | return r; |
c3350683 | 197 | |
4e724d9c | 198 | if (pid == 0) { |
5b12334d LP |
199 | _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; |
200 | ||
201 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
202 | if (r < 0) | |
203 | return r; | |
204 | ||
205 | r = sd_bus_creds_get_pid(creds, &pid); | |
4e724d9c | 206 | if (r < 0) |
ebcf1f97 | 207 | return r; |
4e724d9c LP |
208 | } |
209 | ||
c3350683 LP |
210 | r = manager_get_machine_by_pid(m, pid, &machine); |
211 | if (r < 0) | |
ebcf1f97 | 212 | return r; |
c3350683 | 213 | if (!machine) |
de0671ee | 214 | 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 |
215 | |
216 | p = machine_bus_path(machine); | |
217 | if (!p) | |
ebcf1f97 | 218 | return -ENOMEM; |
c3350683 | 219 | |
df2d202e | 220 | return sd_bus_reply_method_return(message, "o", p); |
c3350683 LP |
221 | } |
222 | ||
ebcf1f97 | 223 | static int method_list_machines(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
224 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; |
225 | Manager *m = userdata; | |
226 | Machine *machine; | |
227 | Iterator i; | |
228 | int r; | |
229 | ||
230 | assert(bus); | |
231 | assert(message); | |
232 | assert(m); | |
233 | ||
df2d202e | 234 | r = sd_bus_message_new_method_return(message, &reply); |
c3350683 | 235 | if (r < 0) |
ebcf1f97 | 236 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
237 | |
238 | r = sd_bus_message_open_container(reply, 'a', "(ssso)"); | |
239 | if (r < 0) | |
ebcf1f97 | 240 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
241 | |
242 | HASHMAP_FOREACH(machine, m->machines, i) { | |
243 | _cleanup_free_ char *p = NULL; | |
244 | ||
245 | p = machine_bus_path(machine); | |
246 | if (!p) | |
ebcf1f97 | 247 | return -ENOMEM; |
c3350683 LP |
248 | |
249 | r = sd_bus_message_append(reply, "(ssso)", | |
250 | machine->name, | |
251 | strempty(machine_class_to_string(machine->class)), | |
252 | machine->service, | |
253 | p); | |
254 | if (r < 0) | |
ebcf1f97 | 255 | return sd_bus_error_set_errno(error, r); |
c3350683 | 256 | } |
1ee306e1 | 257 | |
c3350683 LP |
258 | r = sd_bus_message_close_container(reply); |
259 | if (r < 0) | |
ebcf1f97 | 260 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
261 | |
262 | return sd_bus_send(bus, reply, NULL); | |
263 | } | |
264 | ||
9b5ed6fe | 265 | static int method_create_or_register_machine(Manager *manager, sd_bus_message *message, bool read_network, Machine **_m, sd_bus_error *error) { |
8aec412f | 266 | const char *name, *service, *class, *root_directory; |
9b5ed6fe | 267 | const int32_t *netif = NULL; |
1ee306e1 LP |
268 | MachineClass c; |
269 | uint32_t leader; | |
270 | sd_id128_t id; | |
c3350683 | 271 | const void *v; |
1ee306e1 | 272 | Machine *m; |
9b5ed6fe | 273 | size_t n, n_netif = 0; |
c3350683 | 274 | int r; |
1ee306e1 | 275 | |
c3350683 | 276 | assert(manager); |
89f7c846 LP |
277 | assert(message); |
278 | assert(_m); | |
1ee306e1 | 279 | |
c3350683 LP |
280 | r = sd_bus_message_read(message, "s", &name); |
281 | if (r < 0) | |
ebcf1f97 | 282 | return r; |
7f0d207d | 283 | if (!machine_name_is_valid(name)) |
ebcf1f97 | 284 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine name"); |
1ee306e1 | 285 | |
c3350683 LP |
286 | r = sd_bus_message_read_array(message, 'y', &v, &n); |
287 | if (r < 0) | |
ebcf1f97 | 288 | return r; |
1ee306e1 LP |
289 | if (n == 0) |
290 | id = SD_ID128_NULL; | |
291 | else if (n == 16) | |
292 | memcpy(&id, v, n); | |
293 | else | |
ebcf1f97 | 294 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine ID parameter"); |
1ee306e1 | 295 | |
c3350683 LP |
296 | r = sd_bus_message_read(message, "ssus", &service, &class, &leader, &root_directory); |
297 | if (r < 0) | |
ebcf1f97 | 298 | return r; |
1ee306e1 | 299 | |
9b5ed6fe LP |
300 | if (read_network) { |
301 | size_t i; | |
302 | ||
303 | r = sd_bus_message_read_array(message, 'i', (const void**) &netif, &n_netif); | |
304 | if (r < 0) | |
305 | return r; | |
306 | ||
307 | n_netif /= sizeof(int32_t); | |
308 | ||
309 | for (i = 0; i < n_netif; i++) { | |
310 | if (netif[i] <= 0) | |
311 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid network interface index %i", netif[i]); | |
312 | } | |
313 | } | |
314 | ||
1ee306e1 LP |
315 | if (isempty(class)) |
316 | c = _MACHINE_CLASS_INVALID; | |
317 | else { | |
318 | c = machine_class_from_string(class); | |
319 | if (c < 0) | |
ebcf1f97 | 320 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine class parameter"); |
1ee306e1 LP |
321 | } |
322 | ||
c3350683 | 323 | if (leader == 1) |
ebcf1f97 | 324 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID"); |
1ee306e1 | 325 | |
c3350683 | 326 | if (!isempty(root_directory) && !path_is_absolute(root_directory)) |
ebcf1f97 | 327 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Root directory must be empty or an absolute path"); |
1ee306e1 | 328 | |
c3350683 | 329 | if (leader == 0) { |
5b12334d LP |
330 | _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; |
331 | ||
332 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
333 | if (r < 0) | |
334 | return r; | |
335 | ||
c3350683 | 336 | assert_cc(sizeof(uint32_t) == sizeof(pid_t)); |
554604b3 | 337 | |
5b12334d | 338 | r = sd_bus_creds_get_pid(creds, (pid_t*) &leader); |
c3350683 | 339 | if (r < 0) |
ebcf1f97 | 340 | return r; |
c3350683 | 341 | } |
554604b3 | 342 | |
1ee306e1 | 343 | if (hashmap_get(manager->machines, name)) |
ebcf1f97 | 344 | return sd_bus_error_setf(error, BUS_ERROR_MACHINE_EXISTS, "Machine '%s' already exists", name); |
1ee306e1 LP |
345 | |
346 | r = manager_add_machine(manager, name, &m); | |
347 | if (r < 0) | |
ebcf1f97 | 348 | return r; |
1ee306e1 LP |
349 | |
350 | m->leader = leader; | |
351 | m->class = c; | |
352 | m->id = id; | |
353 | ||
354 | if (!isempty(service)) { | |
355 | m->service = strdup(service); | |
356 | if (!m->service) { | |
ebcf1f97 | 357 | r = -ENOMEM; |
1ee306e1 LP |
358 | goto fail; |
359 | } | |
360 | } | |
361 | ||
362 | if (!isempty(root_directory)) { | |
363 | m->root_directory = strdup(root_directory); | |
364 | if (!m->root_directory) { | |
ebcf1f97 | 365 | r = -ENOMEM; |
1ee306e1 LP |
366 | goto fail; |
367 | } | |
368 | } | |
369 | ||
9b5ed6fe LP |
370 | if (n_netif > 0) { |
371 | assert_cc(sizeof(int32_t) == sizeof(int)); | |
372 | m->netif = memdup(netif, sizeof(int32_t) * n_netif); | |
373 | if (!m->netif) { | |
374 | r = -ENOMEM; | |
375 | goto fail; | |
376 | } | |
377 | ||
378 | m->n_netif = n_netif; | |
379 | } | |
380 | ||
89f7c846 LP |
381 | *_m = m; |
382 | ||
383 | return 1; | |
384 | ||
385 | fail: | |
386 | machine_add_to_gc_queue(m); | |
387 | return r; | |
388 | } | |
389 | ||
9b5ed6fe | 390 | static int method_create_machine_internal(sd_bus *bus, sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) { |
89f7c846 LP |
391 | Manager *manager = userdata; |
392 | Machine *m = NULL; | |
393 | int r; | |
394 | ||
9b5ed6fe | 395 | r = method_create_or_register_machine(manager, message, read_network, &m, error); |
89f7c846 LP |
396 | if (r < 0) |
397 | return r; | |
398 | ||
399 | r = sd_bus_message_enter_container(message, 'a', "(sv)"); | |
400 | if (r < 0) | |
401 | goto fail; | |
402 | ||
ebcf1f97 LP |
403 | r = machine_start(m, message, error); |
404 | if (r < 0) | |
1ee306e1 LP |
405 | goto fail; |
406 | ||
c3350683 | 407 | m->create_message = sd_bus_message_ref(message); |
c3350683 | 408 | return 1; |
1ee306e1 LP |
409 | |
410 | fail: | |
a3e7f417 | 411 | machine_add_to_gc_queue(m); |
89f7c846 LP |
412 | return r; |
413 | } | |
1ee306e1 | 414 | |
9b5ed6fe LP |
415 | static int method_create_machine_with_network(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
416 | return method_create_machine_internal(bus, message, true, userdata, error); | |
417 | } | |
418 | ||
419 | static int method_create_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
420 | return method_create_machine_internal(bus, message, false, userdata, error); | |
421 | } | |
422 | ||
423 | static int method_register_machine_internal(sd_bus *bus, sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) { | |
89f7c846 LP |
424 | Manager *manager = userdata; |
425 | _cleanup_free_ char *p = NULL; | |
426 | Machine *m = NULL; | |
427 | int r; | |
428 | ||
9b5ed6fe | 429 | r = method_create_or_register_machine(manager, message, read_network, &m, error); |
89f7c846 LP |
430 | if (r < 0) |
431 | return r; | |
432 | ||
433 | r = cg_pid_get_unit(m->leader, &m->unit); | |
434 | if (r < 0) { | |
435 | r = sd_bus_error_set_errnof(error, r, "Failed to determine unit of process "PID_FMT" : %s", m->leader, strerror(-r)); | |
436 | goto fail; | |
437 | } | |
438 | ||
439 | r = machine_start(m, NULL, error); | |
440 | if (r < 0) | |
441 | goto fail; | |
442 | ||
443 | p = machine_bus_path(m); | |
444 | if (!p) { | |
445 | r = -ENOMEM; | |
446 | goto fail; | |
447 | } | |
448 | ||
449 | return sd_bus_reply_method_return(message, "o", p); | |
450 | ||
451 | fail: | |
452 | machine_add_to_gc_queue(m); | |
1ee306e1 LP |
453 | return r; |
454 | } | |
455 | ||
9b5ed6fe LP |
456 | static int method_register_machine_with_network(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
457 | return method_register_machine_internal(bus, message, true, userdata, error); | |
458 | } | |
459 | ||
460 | static int method_register_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
461 | return method_register_machine_internal(bus, message, false, userdata, error); | |
462 | } | |
463 | ||
ebcf1f97 | 464 | static int method_terminate_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1ee306e1 | 465 | Manager *m = userdata; |
c3350683 LP |
466 | Machine *machine; |
467 | const char *name; | |
1ee306e1 LP |
468 | int r; |
469 | ||
c3350683 | 470 | assert(bus); |
1ee306e1 LP |
471 | assert(message); |
472 | assert(m); | |
473 | ||
c3350683 LP |
474 | r = sd_bus_message_read(message, "s", &name); |
475 | if (r < 0) | |
ebcf1f97 | 476 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 477 | |
c3350683 LP |
478 | machine = hashmap_get(m->machines, name); |
479 | if (!machine) | |
ebcf1f97 | 480 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
1ee306e1 | 481 | |
878cd7e9 | 482 | return bus_machine_method_terminate(bus, message, machine, error); |
c3350683 | 483 | } |
1ee306e1 | 484 | |
ebcf1f97 | 485 | static int method_kill_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
486 | Manager *m = userdata; |
487 | Machine *machine; | |
488 | const char *name; | |
c3350683 | 489 | int r; |
1ee306e1 | 490 | |
c3350683 LP |
491 | assert(bus); |
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 | |
878cd7e9 LP |
503 | return bus_machine_method_kill(bus, message, machine, error); |
504 | } | |
505 | ||
506 | static int method_get_machine_addresses(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
507 | Manager *m = userdata; | |
508 | Machine *machine; | |
509 | const char *name; | |
510 | int r; | |
511 | ||
512 | assert(bus); | |
513 | assert(message); | |
514 | assert(m); | |
515 | ||
516 | r = sd_bus_message_read(message, "s", &name); | |
c3350683 | 517 | if (r < 0) |
ebcf1f97 | 518 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 519 | |
878cd7e9 LP |
520 | machine = hashmap_get(m->machines, name); |
521 | if (!machine) | |
522 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
523 | ||
524 | return bus_machine_method_get_addresses(bus, message, machine, error); | |
c3350683 | 525 | } |
1ee306e1 | 526 | |
717603e3 LP |
527 | static int method_get_machine_os_release(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
528 | Manager *m = userdata; | |
529 | Machine *machine; | |
530 | const char *name; | |
531 | int r; | |
532 | ||
533 | assert(bus); | |
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 | ||
545 | return bus_machine_method_get_os_release(bus, message, machine, error); | |
546 | } | |
547 | ||
cd61c3bf LP |
548 | static int method_list_images(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
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 | ||
556 | assert(bus); | |
557 | assert(message); | |
558 | assert(m); | |
559 | ||
560 | images = hashmap_new(&string_hash_ops); | |
561 | if (!images) | |
562 | return -ENOMEM; | |
563 | ||
564 | r = image_discover(images); | |
565 | if (r < 0) | |
566 | return r; | |
567 | ||
568 | r = sd_bus_message_new_method_return(message, &reply); | |
569 | if (r < 0) | |
570 | return r; | |
571 | ||
b6b18498 | 572 | r = sd_bus_message_open_container(reply, 'a', "(ssbttto)"); |
cd61c3bf LP |
573 | if (r < 0) |
574 | return r; | |
575 | ||
576 | HASHMAP_FOREACH(image, images, i) { | |
577 | _cleanup_free_ char *p = NULL; | |
578 | ||
579 | p = image_bus_path(image->name); | |
580 | if (!p) | |
581 | return -ENOMEM; | |
582 | ||
b6b18498 | 583 | r = sd_bus_message_append(reply, "(ssbttto)", |
cd61c3bf LP |
584 | image->name, |
585 | image_type_to_string(image->type), | |
586 | image->read_only, | |
10f9c755 LP |
587 | image->crtime, |
588 | image->mtime, | |
c19de711 | 589 | image->usage, |
cd61c3bf LP |
590 | p); |
591 | if (r < 0) | |
592 | return r; | |
593 | } | |
594 | ||
595 | r = sd_bus_message_close_container(reply); | |
596 | if (r < 0) | |
597 | return r; | |
598 | ||
599 | return sd_bus_send(bus, reply, NULL); | |
600 | } | |
601 | ||
40205d70 LP |
602 | static int method_open_machine_pty(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
603 | Manager *m = userdata; | |
604 | Machine *machine; | |
605 | const char *name; | |
606 | int r; | |
607 | ||
608 | assert(bus); | |
609 | assert(message); | |
610 | assert(m); | |
611 | ||
612 | r = sd_bus_message_read(message, "s", &name); | |
613 | if (r < 0) | |
614 | return sd_bus_error_set_errno(error, r); | |
615 | ||
616 | machine = hashmap_get(m->machines, name); | |
617 | if (!machine) | |
618 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
619 | ||
620 | return bus_machine_method_open_pty(bus, message, machine, error); | |
621 | } | |
622 | ||
5f8cc96a LP |
623 | static int method_open_machine_login(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
624 | Manager *m = userdata; | |
625 | Machine *machine; | |
626 | const char *name; | |
627 | int r; | |
628 | ||
629 | assert(bus); | |
630 | assert(message); | |
631 | assert(m); | |
632 | ||
633 | r = sd_bus_message_read(message, "s", &name); | |
634 | if (r < 0) | |
08682124 | 635 | return r; |
5f8cc96a LP |
636 | |
637 | machine = hashmap_get(m->machines, name); | |
638 | if (!machine) | |
639 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
640 | ||
641 | return bus_machine_method_open_login(bus, message, machine, error); | |
642 | } | |
643 | ||
90adaa25 LP |
644 | static int method_bind_mount_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
645 | Manager *m = userdata; | |
646 | Machine *machine; | |
647 | const char *name; | |
648 | int r; | |
649 | ||
650 | assert(bus); | |
651 | assert(message); | |
652 | assert(m); | |
653 | ||
654 | r = sd_bus_message_read(message, "s", &name); | |
655 | if (r < 0) | |
656 | return r; | |
657 | ||
658 | machine = hashmap_get(m->machines, name); | |
659 | if (!machine) | |
660 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
661 | ||
662 | return bus_machine_method_bind_mount(bus, message, machine, error); | |
663 | } | |
664 | ||
0370612e LP |
665 | static int method_copy_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
666 | Manager *m = userdata; | |
667 | Machine *machine; | |
668 | const char *name; | |
669 | int r; | |
670 | ||
671 | assert(bus); | |
672 | assert(message); | |
673 | assert(m); | |
674 | ||
675 | r = sd_bus_message_read(message, "s", &name); | |
676 | if (r < 0) | |
677 | return r; | |
678 | ||
679 | machine = hashmap_get(m->machines, name); | |
680 | if (!machine) | |
681 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
682 | ||
683 | return bus_machine_method_copy(bus, message, machine, error); | |
684 | } | |
685 | ||
08682124 LP |
686 | static int method_remove_image(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
687 | _cleanup_(image_unrefp) Image* i = NULL; | |
688 | const char *name; | |
689 | int r; | |
690 | ||
691 | assert(bus); | |
692 | assert(message); | |
693 | ||
694 | r = sd_bus_message_read(message, "s", &name); | |
695 | if (r < 0) | |
696 | return r; | |
697 | ||
698 | if (!image_name_is_valid(name)) | |
699 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
700 | ||
701 | r = image_find(name, &i); | |
702 | if (r < 0) | |
703 | return r; | |
704 | if (r == 0) | |
705 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
706 | ||
70244d1d | 707 | i->userdata = userdata; |
1ddb263d | 708 | return bus_image_method_remove(bus, message, i, error); |
08682124 LP |
709 | } |
710 | ||
ebd93cb6 LP |
711 | static int method_rename_image(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
712 | _cleanup_(image_unrefp) Image* i = NULL; | |
1ddb263d | 713 | const char *old_name; |
ebd93cb6 LP |
714 | int r; |
715 | ||
716 | assert(bus); | |
717 | assert(message); | |
718 | ||
1ddb263d | 719 | r = sd_bus_message_read(message, "s", &old_name); |
ebd93cb6 LP |
720 | if (r < 0) |
721 | return r; | |
722 | ||
723 | if (!image_name_is_valid(old_name)) | |
724 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", old_name); | |
ebd93cb6 LP |
725 | |
726 | r = image_find(old_name, &i); | |
727 | if (r < 0) | |
728 | return r; | |
729 | if (r == 0) | |
730 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", old_name); | |
731 | ||
70244d1d | 732 | i->userdata = userdata; |
1ddb263d | 733 | return bus_image_method_rename(bus, message, i, error); |
ebd93cb6 LP |
734 | } |
735 | ||
736 | static int method_clone_image(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
737 | _cleanup_(image_unrefp) Image *i = NULL; | |
1ddb263d LP |
738 | const char *old_name; |
739 | int r; | |
ebd93cb6 LP |
740 | |
741 | assert(bus); | |
1ddb263d | 742 | r = sd_bus_message_read(message, "s", &old_name); |
ebd93cb6 LP |
743 | if (r < 0) |
744 | return r; | |
745 | ||
746 | if (!image_name_is_valid(old_name)) | |
747 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", old_name); | |
ebd93cb6 LP |
748 | |
749 | r = image_find(old_name, &i); | |
750 | if (r < 0) | |
751 | return r; | |
752 | if (r == 0) | |
753 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", old_name); | |
754 | ||
70244d1d | 755 | i->userdata = userdata; |
1ddb263d | 756 | return bus_image_method_clone(bus, message, i, error); |
ebd93cb6 LP |
757 | } |
758 | ||
759 | static int method_mark_image_read_only(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
760 | _cleanup_(image_unrefp) Image *i = NULL; | |
761 | const char *name; | |
1ddb263d | 762 | int r; |
ebd93cb6 LP |
763 | |
764 | assert(bus); | |
1ddb263d | 765 | r = sd_bus_message_read(message, "s", &name); |
ebd93cb6 LP |
766 | if (r < 0) |
767 | return r; | |
768 | ||
769 | if (!image_name_is_valid(name)) | |
770 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
771 | ||
772 | r = image_find(name, &i); | |
773 | if (r < 0) | |
774 | return r; | |
775 | if (r == 0) | |
776 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
777 | ||
70244d1d | 778 | i->userdata = userdata; |
1ddb263d | 779 | return bus_image_method_mark_read_only(bus, message, i, error); |
ebd93cb6 LP |
780 | } |
781 | ||
d6ce17c7 LP |
782 | static int method_set_pool_limit(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
783 | Manager *m = userdata; | |
784 | uint64_t limit; | |
785 | int r; | |
786 | ||
787 | assert(bus); | |
788 | r = sd_bus_message_read(message, "t", &limit); | |
789 | if (r < 0) | |
790 | return r; | |
791 | ||
792 | r = bus_verify_polkit_async( | |
793 | message, | |
794 | CAP_SYS_ADMIN, | |
795 | "org.freedesktop.machine1.manage-machines", | |
796 | false, | |
797 | UID_INVALID, | |
798 | &m->polkit_registry, | |
799 | error); | |
800 | if (r < 0) | |
801 | return r; | |
802 | if (r == 0) | |
803 | return 1; /* Will call us back */ | |
804 | ||
4cee5eed LP |
805 | /* Set up the machine directory if necessary */ |
806 | r = setup_machine_directory(limit, error); | |
807 | if (r < 0) | |
808 | return r; | |
809 | ||
26166c88 LP |
810 | r = btrfs_resize_loopback("/var/lib/machines", limit, false); |
811 | if (r == -ENOTTY) | |
812 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Quota is only supported on btrfs."); | |
813 | if (r < 0 && r != -ENODEV) /* ignore ENODEV, as that's what is returned if the file system is not on loopback */ | |
efe02862 LP |
814 | return sd_bus_error_set_errnof(error, r, "Failed to adjust loopback limit: %m"); |
815 | ||
d6ce17c7 LP |
816 | r = btrfs_quota_limit("/var/lib/machines", limit); |
817 | if (r == -ENOTTY) | |
818 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Quota is only supported on btrfs."); | |
26166c88 | 819 | if (r < 0) |
d6ce17c7 LP |
820 | return sd_bus_error_set_errnof(error, r, "Failed to adjust quota limit: %m"); |
821 | ||
822 | return sd_bus_reply_method_return(message, NULL); | |
823 | } | |
824 | ||
825 | static int method_set_image_limit(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
826 | _cleanup_(image_unrefp) Image *i = NULL; | |
827 | const char *name; | |
828 | int r; | |
829 | ||
830 | assert(bus); | |
831 | r = sd_bus_message_read(message, "s", &name); | |
832 | if (r < 0) | |
833 | return r; | |
834 | ||
835 | if (!image_name_is_valid(name)) | |
836 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
837 | ||
838 | r = image_find(name, &i); | |
839 | if (r < 0) | |
840 | return r; | |
841 | if (r == 0) | |
842 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
843 | ||
844 | i->userdata = userdata; | |
845 | return bus_image_method_set_limit(bus, message, i, error); | |
846 | } | |
847 | ||
c3350683 LP |
848 | const sd_bus_vtable manager_vtable[] = { |
849 | SD_BUS_VTABLE_START(0), | |
160e3793 LP |
850 | SD_BUS_PROPERTY("PoolPath", "s", property_get_pool_path, 0, 0), |
851 | SD_BUS_PROPERTY("PoolUsage", "t", property_get_pool_usage, 0, 0), | |
852 | SD_BUS_PROPERTY("PoolLimit", "t", property_get_pool_limit, 0, 0), | |
adacb957 | 853 | SD_BUS_METHOD("GetMachine", "s", "o", method_get_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
c2ce6a3d | 854 | SD_BUS_METHOD("GetImage", "s", "o", method_get_image, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
855 | SD_BUS_METHOD("GetMachineByPID", "u", "o", method_get_machine_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), |
856 | SD_BUS_METHOD("ListMachines", NULL, "a(ssso)", method_list_machines, SD_BUS_VTABLE_UNPRIVILEGED), | |
b6b18498 | 857 | SD_BUS_METHOD("ListImages", NULL, "a(ssbttto)", method_list_images, SD_BUS_VTABLE_UNPRIVILEGED), |
c3350683 | 858 | SD_BUS_METHOD("CreateMachine", "sayssusa(sv)", "o", method_create_machine, 0), |
9b5ed6fe | 859 | SD_BUS_METHOD("CreateMachineWithNetwork", "sayssusaia(sv)", "o", method_create_machine_with_network, 0), |
8d07a7c4 | 860 | SD_BUS_METHOD("RegisterMachine", "sayssus", "o", method_register_machine, 0), |
9b5ed6fe | 861 | SD_BUS_METHOD("RegisterMachineWithNetwork", "sayssusai", "o", method_register_machine_with_network, 0), |
70244d1d LP |
862 | SD_BUS_METHOD("TerminateMachine", "s", NULL, method_terminate_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
863 | SD_BUS_METHOD("KillMachine", "ssi", NULL, method_kill_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
3a6fb33c | 864 | SD_BUS_METHOD("GetMachineAddresses", "s", "a(iay)", method_get_machine_addresses, SD_BUS_VTABLE_UNPRIVILEGED), |
717603e3 | 865 | SD_BUS_METHOD("GetMachineOSRelease", "s", "a{ss}", method_get_machine_os_release, SD_BUS_VTABLE_UNPRIVILEGED), |
40205d70 | 866 | SD_BUS_METHOD("OpenMachinePTY", "s", "hs", method_open_machine_pty, 0), |
d04c1fb8 | 867 | SD_BUS_METHOD("OpenMachineLogin", "s", "hs", method_open_machine_login, SD_BUS_VTABLE_UNPRIVILEGED), |
70244d1d LP |
868 | SD_BUS_METHOD("BindMountMachine", "sssbb", NULL, method_bind_mount_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
869 | SD_BUS_METHOD("CopyFromMachine", "sss", NULL, method_copy_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
870 | SD_BUS_METHOD("CopyToMachine", "sss", NULL, method_copy_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
871 | SD_BUS_METHOD("RemoveImage", "s", NULL, method_remove_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
872 | SD_BUS_METHOD("RenameImage", "ss", NULL, method_rename_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
873 | SD_BUS_METHOD("CloneImage", "ssb", NULL, method_clone_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
874 | SD_BUS_METHOD("MarkImageReadOnly", "sb", NULL, method_mark_image_read_only, SD_BUS_VTABLE_UNPRIVILEGED), | |
d6ce17c7 LP |
875 | SD_BUS_METHOD("SetPoolLimit", "t", NULL, method_set_pool_limit, SD_BUS_VTABLE_UNPRIVILEGED), |
876 | SD_BUS_METHOD("SetImageLimit", "st", NULL, method_set_image_limit, SD_BUS_VTABLE_UNPRIVILEGED), | |
c3350683 LP |
877 | SD_BUS_SIGNAL("MachineNew", "so", 0), |
878 | SD_BUS_SIGNAL("MachineRemoved", "so", 0), | |
879 | SD_BUS_VTABLE_END | |
880 | }; | |
1ee306e1 | 881 | |
ebcf1f97 | 882 | int match_job_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 883 | const char *path, *result, *unit; |
1ee306e1 | 884 | Manager *m = userdata; |
c3350683 LP |
885 | Machine *machine; |
886 | uint32_t id; | |
887 | int r; | |
1ee306e1 | 888 | |
c3350683 | 889 | assert(bus); |
1ee306e1 | 890 | assert(message); |
c3350683 | 891 | assert(m); |
1ee306e1 | 892 | |
c3350683 LP |
893 | r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result); |
894 | if (r < 0) { | |
ebcf1f97 LP |
895 | bus_log_parse_error(r); |
896 | return r; | |
c3350683 | 897 | } |
6797c324 | 898 | |
c3350683 LP |
899 | machine = hashmap_get(m->machine_units, unit); |
900 | if (!machine) | |
901 | return 0; | |
6797c324 | 902 | |
c3350683 LP |
903 | if (streq_ptr(path, machine->scope_job)) { |
904 | free(machine->scope_job); | |
905 | machine->scope_job = NULL; | |
6797c324 | 906 | |
c3350683 LP |
907 | if (machine->started) { |
908 | if (streq(result, "done")) | |
909 | machine_send_create_reply(machine, NULL); | |
910 | else { | |
ebcf1f97 | 911 | _cleanup_bus_error_free_ sd_bus_error e = SD_BUS_ERROR_NULL; |
6797c324 | 912 | |
ebcf1f97 | 913 | sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result); |
6797c324 | 914 | |
ebcf1f97 | 915 | machine_send_create_reply(machine, &e); |
c3350683 LP |
916 | } |
917 | } else | |
918 | machine_save(machine); | |
1ee306e1 LP |
919 | } |
920 | ||
c3350683 LP |
921 | machine_add_to_gc_queue(machine); |
922 | return 0; | |
1ee306e1 LP |
923 | } |
924 | ||
ebcf1f97 | 925 | int match_properties_changed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 926 | _cleanup_free_ char *unit = NULL; |
9b420b3c | 927 | const char *path, *interface; |
c3350683 LP |
928 | Manager *m = userdata; |
929 | Machine *machine; | |
ebcf1f97 | 930 | int r; |
554604b3 | 931 | |
c3350683 LP |
932 | assert(bus); |
933 | assert(message); | |
934 | assert(m); | |
554604b3 | 935 | |
c3350683 LP |
936 | path = sd_bus_message_get_path(message); |
937 | if (!path) | |
554604b3 | 938 | return 0; |
554604b3 | 939 | |
ebcf1f97 | 940 | r = unit_name_from_dbus_path(path, &unit); |
e5f5b5b9 LP |
941 | if (r == -EINVAL) /* not for a unit */ |
942 | return 0; | |
9b420b3c LP |
943 | if (r < 0){ |
944 | log_oom(); | |
945 | return 0; | |
946 | } | |
554604b3 | 947 | |
c3350683 | 948 | machine = hashmap_get(m->machine_units, unit); |
9b420b3c LP |
949 | if (!machine) |
950 | return 0; | |
951 | ||
952 | r = sd_bus_message_read(message, "s", &interface); | |
953 | if (r < 0) { | |
954 | bus_log_parse_error(r); | |
955 | return 0; | |
956 | } | |
957 | ||
958 | if (streq(interface, "org.freedesktop.systemd1.Unit")) { | |
959 | struct properties { | |
960 | char *active_state; | |
961 | char *sub_state; | |
962 | } properties = {}; | |
554604b3 | 963 | |
9b420b3c LP |
964 | const struct bus_properties_map map[] = { |
965 | { "ActiveState", "s", NULL, offsetof(struct properties, active_state) }, | |
966 | { "SubState", "s", NULL, offsetof(struct properties, sub_state) }, | |
967 | {} | |
968 | }; | |
969 | ||
970 | r = bus_message_map_properties_changed(message, map, &properties); | |
971 | if (r < 0) | |
972 | bus_log_parse_error(r); | |
973 | else if (streq_ptr(properties.active_state, "inactive") || | |
974 | streq_ptr(properties.active_state, "failed") || | |
975 | streq_ptr(properties.sub_state, "auto-restart")) | |
976 | machine_release_unit(machine); | |
977 | ||
978 | free(properties.active_state); | |
979 | free(properties.sub_state); | |
980 | } | |
981 | ||
982 | machine_add_to_gc_queue(machine); | |
c3350683 LP |
983 | return 0; |
984 | } | |
554604b3 | 985 | |
ebcf1f97 | 986 | int match_unit_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
987 | const char *path, *unit; |
988 | Manager *m = userdata; | |
989 | Machine *machine; | |
990 | int r; | |
554604b3 | 991 | |
c3350683 LP |
992 | assert(bus); |
993 | assert(message); | |
994 | assert(m); | |
554604b3 | 995 | |
c3350683 LP |
996 | r = sd_bus_message_read(message, "so", &unit, &path); |
997 | if (r < 0) { | |
ebcf1f97 | 998 | bus_log_parse_error(r); |
9b420b3c | 999 | return 0; |
554604b3 LP |
1000 | } |
1001 | ||
c3350683 | 1002 | machine = hashmap_get(m->machine_units, unit); |
9b420b3c LP |
1003 | if (!machine) |
1004 | return 0; | |
1005 | ||
1006 | machine_release_unit(machine); | |
1007 | machine_add_to_gc_queue(machine); | |
554604b3 | 1008 | |
c3350683 LP |
1009 | return 0; |
1010 | } | |
554604b3 | 1011 | |
ebcf1f97 | 1012 | int match_reloading(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 1013 | Manager *m = userdata; |
a658cafa LP |
1014 | Machine *machine; |
1015 | Iterator i; | |
c3350683 | 1016 | int b, r; |
554604b3 | 1017 | |
c3350683 | 1018 | assert(bus); |
554604b3 | 1019 | |
c3350683 LP |
1020 | r = sd_bus_message_read(message, "b", &b); |
1021 | if (r < 0) { | |
ebcf1f97 LP |
1022 | bus_log_parse_error(r); |
1023 | return r; | |
554604b3 | 1024 | } |
a658cafa LP |
1025 | if (b) |
1026 | return 0; | |
554604b3 | 1027 | |
a658cafa LP |
1028 | /* systemd finished reloading, let's recheck all our machines */ |
1029 | log_debug("System manager has been reloaded, rechecking machines..."); | |
554604b3 | 1030 | |
a658cafa LP |
1031 | HASHMAP_FOREACH(machine, m->machines, i) |
1032 | machine_add_to_gc_queue(machine); | |
554604b3 LP |
1033 | |
1034 | return 0; | |
1035 | } | |
1036 | ||
1ee306e1 LP |
1037 | int manager_start_scope( |
1038 | Manager *manager, | |
1039 | const char *scope, | |
1040 | pid_t pid, | |
1041 | const char *slice, | |
1042 | const char *description, | |
c3350683 LP |
1043 | sd_bus_message *more_properties, |
1044 | sd_bus_error *error, | |
1ee306e1 LP |
1045 | char **job) { |
1046 | ||
c3350683 | 1047 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL; |
554604b3 | 1048 | int r; |
1ee306e1 LP |
1049 | |
1050 | assert(manager); | |
1051 | assert(scope); | |
1052 | assert(pid > 1); | |
1053 | ||
c3350683 LP |
1054 | r = sd_bus_message_new_method_call( |
1055 | manager->bus, | |
151b9b96 | 1056 | &m, |
1ee306e1 LP |
1057 | "org.freedesktop.systemd1", |
1058 | "/org/freedesktop/systemd1", | |
1059 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 1060 | "StartTransientUnit"); |
c3350683 LP |
1061 | if (r < 0) |
1062 | return r; | |
1ee306e1 | 1063 | |
a658cafa | 1064 | r = sd_bus_message_append(m, "ss", strempty(scope), "fail"); |
c3350683 LP |
1065 | if (r < 0) |
1066 | return r; | |
1ee306e1 | 1067 | |
c3350683 LP |
1068 | r = sd_bus_message_open_container(m, 'a', "(sv)"); |
1069 | if (r < 0) | |
1070 | return r; | |
1ee306e1 LP |
1071 | |
1072 | if (!isempty(slice)) { | |
c3350683 LP |
1073 | r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice); |
1074 | if (r < 0) | |
1075 | return r; | |
1ee306e1 LP |
1076 | } |
1077 | ||
1078 | if (!isempty(description)) { | |
c3350683 LP |
1079 | r = sd_bus_message_append(m, "(sv)", "Description", "s", description); |
1080 | if (r < 0) | |
1081 | return r; | |
1ee306e1 LP |
1082 | } |
1083 | ||
c3350683 LP |
1084 | r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid); |
1085 | if (r < 0) | |
1086 | return r; | |
554604b3 | 1087 | |
a931ad47 LP |
1088 | r = sd_bus_message_append(m, "(sv)", "Delegate", "b", 1); |
1089 | if (r < 0) | |
1090 | return r; | |
1091 | ||
554604b3 | 1092 | if (more_properties) { |
c3350683 | 1093 | r = sd_bus_message_copy(m, more_properties, true); |
554604b3 LP |
1094 | if (r < 0) |
1095 | return r; | |
1096 | } | |
1097 | ||
c3350683 LP |
1098 | r = sd_bus_message_close_container(m); |
1099 | if (r < 0) | |
1100 | return r; | |
1ee306e1 | 1101 | |
86b8d289 LP |
1102 | r = sd_bus_message_append(m, "a(sa(sv))", 0); |
1103 | if (r < 0) | |
1104 | return r; | |
1105 | ||
c49b30a2 | 1106 | r = sd_bus_call(manager->bus, m, 0, error, &reply); |
c3350683 LP |
1107 | if (r < 0) |
1108 | return r; | |
1ee306e1 LP |
1109 | |
1110 | if (job) { | |
1111 | const char *j; | |
1112 | char *copy; | |
1113 | ||
c3350683 LP |
1114 | r = sd_bus_message_read(reply, "o", &j); |
1115 | if (r < 0) | |
1116 | return r; | |
1ee306e1 LP |
1117 | |
1118 | copy = strdup(j); | |
1119 | if (!copy) | |
1120 | return -ENOMEM; | |
1121 | ||
1122 | *job = copy; | |
1123 | } | |
1124 | ||
c3350683 | 1125 | return 1; |
1ee306e1 LP |
1126 | } |
1127 | ||
c3350683 LP |
1128 | int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { |
1129 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
1ee306e1 LP |
1130 | int r; |
1131 | ||
1132 | assert(manager); | |
1133 | assert(unit); | |
1134 | ||
c3350683 | 1135 | r = sd_bus_call_method( |
1ee306e1 LP |
1136 | manager->bus, |
1137 | "org.freedesktop.systemd1", | |
1138 | "/org/freedesktop/systemd1", | |
1139 | "org.freedesktop.systemd1.Manager", | |
1140 | "StopUnit", | |
1ee306e1 | 1141 | error, |
c3350683 LP |
1142 | &reply, |
1143 | "ss", unit, "fail"); | |
1ee306e1 | 1144 | if (r < 0) { |
c3350683 LP |
1145 | if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) || |
1146 | sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) { | |
6797c324 LP |
1147 | |
1148 | if (job) | |
1149 | *job = NULL; | |
1150 | ||
c3350683 | 1151 | sd_bus_error_free(error); |
6797c324 LP |
1152 | return 0; |
1153 | } | |
1154 | ||
1ee306e1 LP |
1155 | return r; |
1156 | } | |
1157 | ||
1158 | if (job) { | |
1159 | const char *j; | |
1160 | char *copy; | |
1161 | ||
c3350683 LP |
1162 | r = sd_bus_message_read(reply, "o", &j); |
1163 | if (r < 0) | |
1164 | return r; | |
1ee306e1 LP |
1165 | |
1166 | copy = strdup(j); | |
1167 | if (!copy) | |
1168 | return -ENOMEM; | |
1169 | ||
1170 | *job = copy; | |
1171 | } | |
1172 | ||
6797c324 | 1173 | return 1; |
1ee306e1 LP |
1174 | } |
1175 | ||
de58a50e | 1176 | int manager_kill_unit(Manager *manager, const char *unit, int signo, sd_bus_error *error) { |
1ee306e1 LP |
1177 | assert(manager); |
1178 | assert(unit); | |
1179 | ||
a658cafa | 1180 | return sd_bus_call_method( |
1ee306e1 LP |
1181 | manager->bus, |
1182 | "org.freedesktop.systemd1", | |
1183 | "/org/freedesktop/systemd1", | |
1184 | "org.freedesktop.systemd1.Manager", | |
1185 | "KillUnit", | |
1ee306e1 | 1186 | error, |
a658cafa | 1187 | NULL, |
de58a50e | 1188 | "ssi", unit, "all", signo); |
1ee306e1 LP |
1189 | } |
1190 | ||
1191 | int manager_unit_is_active(Manager *manager, const char *unit) { | |
c3350683 LP |
1192 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
1193 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
1ee306e1 | 1194 | _cleanup_free_ char *path = NULL; |
1ee306e1 | 1195 | const char *state; |
1ee306e1 LP |
1196 | int r; |
1197 | ||
1198 | assert(manager); | |
1199 | assert(unit); | |
1200 | ||
1ee306e1 LP |
1201 | path = unit_dbus_path_from_name(unit); |
1202 | if (!path) | |
1203 | return -ENOMEM; | |
1204 | ||
c3350683 | 1205 | r = sd_bus_get_property( |
1ee306e1 LP |
1206 | manager->bus, |
1207 | "org.freedesktop.systemd1", | |
1208 | path, | |
c3350683 LP |
1209 | "org.freedesktop.systemd1.Unit", |
1210 | "ActiveState", | |
1ee306e1 | 1211 | &error, |
c3350683 LP |
1212 | &reply, |
1213 | "s"); | |
1ee306e1 | 1214 | if (r < 0) { |
c3350683 LP |
1215 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || |
1216 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
6797c324 | 1217 | return true; |
6797c324 | 1218 | |
c3350683 LP |
1219 | if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) || |
1220 | sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED)) | |
6797c324 | 1221 | return false; |
6797c324 | 1222 | |
1ee306e1 LP |
1223 | return r; |
1224 | } | |
1225 | ||
c3350683 LP |
1226 | r = sd_bus_message_read(reply, "s", &state); |
1227 | if (r < 0) | |
1ee306e1 | 1228 | return -EINVAL; |
1ee306e1 | 1229 | |
9b420b3c | 1230 | return !STR_IN_SET(state, "inactive", "failed"); |
1ee306e1 | 1231 | } |
bd16acf3 | 1232 | |
c3350683 LP |
1233 | int manager_job_is_active(Manager *manager, const char *path) { |
1234 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
1235 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
1236 | int r; | |
bd16acf3 | 1237 | |
c3350683 LP |
1238 | assert(manager); |
1239 | assert(path); | |
bd16acf3 | 1240 | |
c3350683 LP |
1241 | r = sd_bus_get_property( |
1242 | manager->bus, | |
1243 | "org.freedesktop.systemd1", | |
1244 | path, | |
1245 | "org.freedesktop.systemd1.Job", | |
1246 | "State", | |
1247 | &error, | |
1248 | &reply, | |
1249 | "s"); | |
1250 | if (r < 0) { | |
1251 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || | |
1252 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
1253 | return true; | |
bd16acf3 | 1254 | |
c3350683 LP |
1255 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT)) |
1256 | return false; | |
bd16acf3 | 1257 | |
bd16acf3 | 1258 | return r; |
c3350683 | 1259 | } |
bd16acf3 | 1260 | |
c3350683 LP |
1261 | /* We don't actually care about the state really. The fact |
1262 | * that we could read the job state is enough for us */ | |
bd16acf3 | 1263 | |
c3350683 | 1264 | return true; |
bd16acf3 | 1265 | } |
ab49725f KS |
1266 | |
1267 | int manager_get_machine_by_pid(Manager *m, pid_t pid, Machine **machine) { | |
1268 | _cleanup_free_ char *unit = NULL; | |
1269 | Machine *mm; | |
1270 | int r; | |
1271 | ||
1272 | assert(m); | |
1273 | assert(pid >= 1); | |
1274 | assert(machine); | |
1275 | ||
1276 | r = cg_pid_get_unit(pid, &unit); | |
1277 | if (r < 0) | |
1278 | mm = hashmap_get(m->machine_leaders, UINT_TO_PTR(pid)); | |
1279 | else | |
1280 | mm = hashmap_get(m->machine_units, unit); | |
1281 | ||
1282 | if (!mm) | |
1283 | return 0; | |
1284 | ||
1285 | *machine = mm; | |
1286 | return 1; | |
1287 | } | |
1288 | ||
1289 | int manager_add_machine(Manager *m, const char *name, Machine **_machine) { | |
1290 | Machine *machine; | |
1291 | ||
1292 | assert(m); | |
1293 | assert(name); | |
1294 | ||
1295 | machine = hashmap_get(m->machines, name); | |
1296 | if (!machine) { | |
1297 | machine = machine_new(m, name); | |
1298 | if (!machine) | |
1299 | return -ENOMEM; | |
1300 | } | |
1301 | ||
1302 | if (_machine) | |
1303 | *_machine = machine; | |
1304 | ||
1305 | return 0; | |
1306 | } |