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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
1ee306e1 LP |
2 | /*** |
3 | This file is part of systemd. | |
4 | ||
5 | Copyright 2011 Lennart Poettering | |
6 | ||
7 | systemd is free software; you can redistribute it and/or modify it | |
8 | under the terms of the GNU Lesser General Public License as published by | |
9 | the Free Software Foundation; either version 2.1 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | systemd is distributed in the hope that it will be useful, but | |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | Lesser General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU Lesser General Public License | |
18 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
19 | ***/ | |
20 | ||
21 | #include <errno.h> | |
22 | #include <string.h> | |
23 | #include <unistd.h> | |
1ee306e1 | 24 | |
c3350683 | 25 | #include "sd-id128.h" |
3ffd4af2 | 26 | |
b5efdb8a | 27 | #include "alloc-util.h" |
3ffd4af2 | 28 | #include "btrfs-util.h" |
96aad8d1 | 29 | #include "bus-common-errors.h" |
3ffd4af2 | 30 | #include "bus-util.h" |
23c80348 | 31 | #include "cgroup-util.h" |
3ffd4af2 | 32 | #include "fd-util.h" |
03c2b288 | 33 | #include "fileio.h" |
f97b34a6 | 34 | #include "format-util.h" |
25300b5a | 35 | #include "hostname-util.h" |
3ffd4af2 | 36 | #include "image-dbus.h" |
a90fb858 | 37 | #include "io-util.h" |
3ffd4af2 | 38 | #include "machine-dbus.h" |
003dffde | 39 | #include "machine-image.h" |
4cee5eed | 40 | #include "machine-pool.h" |
c3350683 | 41 | #include "machined.h" |
3ffd4af2 LP |
42 | #include "path-util.h" |
43 | #include "process-util.h" | |
15a5e950 | 44 | #include "stdio-util.h" |
3ffd4af2 LP |
45 | #include "strv.h" |
46 | #include "unit-name.h" | |
b1d4f8e1 | 47 | #include "user-util.h" |
1ee306e1 | 48 | |
160e3793 LP |
49 | static int property_get_pool_path( |
50 | sd_bus *bus, | |
51 | const char *path, | |
52 | const char *interface, | |
53 | const char *property, | |
54 | sd_bus_message *reply, | |
55 | void *userdata, | |
56 | sd_bus_error *error) { | |
57 | ||
58 | assert(bus); | |
59 | assert(reply); | |
60 | ||
61 | return sd_bus_message_append(reply, "s", "/var/lib/machines"); | |
62 | } | |
63 | ||
64 | static int property_get_pool_usage( | |
65 | sd_bus *bus, | |
66 | const char *path, | |
67 | const char *interface, | |
68 | const char *property, | |
69 | sd_bus_message *reply, | |
70 | void *userdata, | |
71 | sd_bus_error *error) { | |
72 | ||
73 | _cleanup_close_ int fd = -1; | |
74 | uint64_t usage = (uint64_t) -1; | |
75 | struct stat st; | |
76 | ||
77 | assert(bus); | |
78 | assert(reply); | |
79 | ||
80 | /* We try to read the quota info from /var/lib/machines, as | |
81 | * well as the usage of the loopback file | |
82 | * /var/lib/machines.raw, and pick the larger value. */ | |
83 | ||
84 | fd = open("/var/lib/machines", O_RDONLY|O_CLOEXEC|O_DIRECTORY); | |
85 | if (fd >= 0) { | |
86 | BtrfsQuotaInfo q; | |
87 | ||
5bcd08db | 88 | if (btrfs_subvol_get_subtree_quota_fd(fd, 0, &q) >= 0) |
cb81cd80 | 89 | usage = q.referenced; |
160e3793 LP |
90 | } |
91 | ||
92 | if (stat("/var/lib/machines.raw", &st) >= 0) { | |
93 | if (usage == (uint64_t) -1 || st.st_blocks * 512ULL > usage) | |
94 | usage = st.st_blocks * 512ULL; | |
95 | } | |
96 | ||
97 | return sd_bus_message_append(reply, "t", usage); | |
98 | } | |
99 | ||
100 | static int property_get_pool_limit( | |
101 | sd_bus *bus, | |
102 | const char *path, | |
103 | const char *interface, | |
104 | const char *property, | |
105 | sd_bus_message *reply, | |
106 | void *userdata, | |
107 | sd_bus_error *error) { | |
108 | ||
109 | _cleanup_close_ int fd = -1; | |
110 | uint64_t size = (uint64_t) -1; | |
111 | struct stat st; | |
112 | ||
113 | assert(bus); | |
114 | assert(reply); | |
115 | ||
116 | /* We try to read the quota limit from /var/lib/machines, as | |
117 | * well as the size of the loopback file | |
118 | * /var/lib/machines.raw, and pick the smaller value. */ | |
119 | ||
120 | fd = open("/var/lib/machines", O_RDONLY|O_CLOEXEC|O_DIRECTORY); | |
121 | if (fd >= 0) { | |
122 | BtrfsQuotaInfo q; | |
123 | ||
5bcd08db | 124 | if (btrfs_subvol_get_subtree_quota_fd(fd, 0, &q) >= 0) |
cb81cd80 | 125 | size = q.referenced_max; |
160e3793 LP |
126 | } |
127 | ||
128 | if (stat("/var/lib/machines.raw", &st) >= 0) { | |
129 | if (size == (uint64_t) -1 || (uint64_t) st.st_size < size) | |
130 | size = st.st_size; | |
131 | } | |
132 | ||
133 | return sd_bus_message_append(reply, "t", size); | |
134 | } | |
135 | ||
19070062 | 136 | static int method_get_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
137 | _cleanup_free_ char *p = NULL; |
138 | Manager *m = userdata; | |
139 | Machine *machine; | |
140 | const char *name; | |
141 | int r; | |
142 | ||
c3350683 LP |
143 | assert(message); |
144 | assert(m); | |
145 | ||
146 | r = sd_bus_message_read(message, "s", &name); | |
147 | if (r < 0) | |
ebcf1f97 | 148 | return r; |
c3350683 LP |
149 | |
150 | machine = hashmap_get(m->machines, name); | |
151 | if (!machine) | |
ebcf1f97 | 152 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
c3350683 LP |
153 | |
154 | p = machine_bus_path(machine); | |
155 | if (!p) | |
ebcf1f97 | 156 | return -ENOMEM; |
c3350683 | 157 | |
df2d202e | 158 | return sd_bus_reply_method_return(message, "o", p); |
c3350683 LP |
159 | } |
160 | ||
19070062 | 161 | static int method_get_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c2ce6a3d LP |
162 | _cleanup_free_ char *p = NULL; |
163 | Manager *m = userdata; | |
164 | const char *name; | |
165 | int r; | |
166 | ||
c2ce6a3d LP |
167 | assert(message); |
168 | assert(m); | |
169 | ||
170 | r = sd_bus_message_read(message, "s", &name); | |
171 | if (r < 0) | |
172 | return r; | |
173 | ||
174 | r = image_find(name, NULL); | |
175 | if (r == 0) | |
176 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
177 | if (r < 0) | |
178 | return r; | |
179 | ||
180 | p = image_bus_path(name); | |
181 | if (!p) | |
182 | return -ENOMEM; | |
183 | ||
184 | return sd_bus_reply_method_return(message, "o", p); | |
185 | } | |
186 | ||
19070062 | 187 | static int method_get_machine_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
188 | _cleanup_free_ char *p = NULL; |
189 | Manager *m = userdata; | |
190 | Machine *machine = NULL; | |
4e724d9c | 191 | pid_t pid; |
c3350683 LP |
192 | int r; |
193 | ||
c3350683 LP |
194 | assert(message); |
195 | assert(m); | |
196 | ||
4e724d9c LP |
197 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
198 | ||
c3350683 LP |
199 | r = sd_bus_message_read(message, "u", &pid); |
200 | if (r < 0) | |
ebcf1f97 | 201 | return r; |
c3350683 | 202 | |
07b38ba5 | 203 | if (pid < 0) |
06820eaf LP |
204 | return -EINVAL; |
205 | ||
4e724d9c | 206 | if (pid == 0) { |
4afd3348 | 207 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
5b12334d LP |
208 | |
209 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
210 | if (r < 0) | |
211 | return r; | |
212 | ||
213 | r = sd_bus_creds_get_pid(creds, &pid); | |
4e724d9c | 214 | if (r < 0) |
ebcf1f97 | 215 | return r; |
4e724d9c LP |
216 | } |
217 | ||
c3350683 LP |
218 | r = manager_get_machine_by_pid(m, pid, &machine); |
219 | if (r < 0) | |
ebcf1f97 | 220 | return r; |
c3350683 | 221 | if (!machine) |
de0671ee | 222 | 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 |
223 | |
224 | p = machine_bus_path(machine); | |
225 | if (!p) | |
ebcf1f97 | 226 | return -ENOMEM; |
c3350683 | 227 | |
df2d202e | 228 | return sd_bus_reply_method_return(message, "o", p); |
c3350683 LP |
229 | } |
230 | ||
19070062 | 231 | static int method_list_machines(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 232 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
c3350683 LP |
233 | Manager *m = userdata; |
234 | Machine *machine; | |
235 | Iterator i; | |
236 | int r; | |
237 | ||
c3350683 LP |
238 | assert(message); |
239 | assert(m); | |
240 | ||
df2d202e | 241 | r = sd_bus_message_new_method_return(message, &reply); |
c3350683 | 242 | if (r < 0) |
ebcf1f97 | 243 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
244 | |
245 | r = sd_bus_message_open_container(reply, 'a', "(ssso)"); | |
246 | if (r < 0) | |
ebcf1f97 | 247 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
248 | |
249 | HASHMAP_FOREACH(machine, m->machines, i) { | |
250 | _cleanup_free_ char *p = NULL; | |
251 | ||
252 | p = machine_bus_path(machine); | |
253 | if (!p) | |
ebcf1f97 | 254 | return -ENOMEM; |
c3350683 LP |
255 | |
256 | r = sd_bus_message_append(reply, "(ssso)", | |
257 | machine->name, | |
258 | strempty(machine_class_to_string(machine->class)), | |
259 | machine->service, | |
260 | p); | |
261 | if (r < 0) | |
ebcf1f97 | 262 | return sd_bus_error_set_errno(error, r); |
c3350683 | 263 | } |
1ee306e1 | 264 | |
c3350683 LP |
265 | r = sd_bus_message_close_container(reply); |
266 | if (r < 0) | |
ebcf1f97 | 267 | return sd_bus_error_set_errno(error, r); |
c3350683 | 268 | |
9030ca46 | 269 | return sd_bus_send(NULL, reply, NULL); |
c3350683 LP |
270 | } |
271 | ||
9b5ed6fe | 272 | static int method_create_or_register_machine(Manager *manager, sd_bus_message *message, bool read_network, Machine **_m, sd_bus_error *error) { |
8aec412f | 273 | const char *name, *service, *class, *root_directory; |
9b5ed6fe | 274 | const int32_t *netif = NULL; |
1ee306e1 LP |
275 | MachineClass c; |
276 | uint32_t leader; | |
277 | sd_id128_t id; | |
c3350683 | 278 | const void *v; |
1ee306e1 | 279 | Machine *m; |
9b5ed6fe | 280 | size_t n, n_netif = 0; |
c3350683 | 281 | int r; |
1ee306e1 | 282 | |
c3350683 | 283 | assert(manager); |
89f7c846 LP |
284 | assert(message); |
285 | assert(_m); | |
1ee306e1 | 286 | |
c3350683 LP |
287 | r = sd_bus_message_read(message, "s", &name); |
288 | if (r < 0) | |
ebcf1f97 | 289 | return r; |
7f0d207d | 290 | if (!machine_name_is_valid(name)) |
ebcf1f97 | 291 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine name"); |
1ee306e1 | 292 | |
c3350683 LP |
293 | r = sd_bus_message_read_array(message, 'y', &v, &n); |
294 | if (r < 0) | |
ebcf1f97 | 295 | return r; |
1ee306e1 LP |
296 | if (n == 0) |
297 | id = SD_ID128_NULL; | |
298 | else if (n == 16) | |
299 | memcpy(&id, v, n); | |
300 | else | |
ebcf1f97 | 301 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine ID parameter"); |
1ee306e1 | 302 | |
c3350683 LP |
303 | r = sd_bus_message_read(message, "ssus", &service, &class, &leader, &root_directory); |
304 | if (r < 0) | |
ebcf1f97 | 305 | return r; |
1ee306e1 | 306 | |
9b5ed6fe LP |
307 | if (read_network) { |
308 | size_t i; | |
309 | ||
310 | r = sd_bus_message_read_array(message, 'i', (const void**) &netif, &n_netif); | |
311 | if (r < 0) | |
312 | return r; | |
313 | ||
314 | n_netif /= sizeof(int32_t); | |
315 | ||
316 | for (i = 0; i < n_netif; i++) { | |
317 | if (netif[i] <= 0) | |
318 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid network interface index %i", netif[i]); | |
319 | } | |
320 | } | |
321 | ||
1ee306e1 LP |
322 | if (isempty(class)) |
323 | c = _MACHINE_CLASS_INVALID; | |
324 | else { | |
325 | c = machine_class_from_string(class); | |
326 | if (c < 0) | |
ebcf1f97 | 327 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine class parameter"); |
1ee306e1 LP |
328 | } |
329 | ||
c3350683 | 330 | if (leader == 1) |
ebcf1f97 | 331 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID"); |
1ee306e1 | 332 | |
c3350683 | 333 | if (!isempty(root_directory) && !path_is_absolute(root_directory)) |
ebcf1f97 | 334 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Root directory must be empty or an absolute path"); |
1ee306e1 | 335 | |
c3350683 | 336 | if (leader == 0) { |
4afd3348 | 337 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
5b12334d LP |
338 | |
339 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
340 | if (r < 0) | |
341 | return r; | |
342 | ||
c3350683 | 343 | assert_cc(sizeof(uint32_t) == sizeof(pid_t)); |
554604b3 | 344 | |
5b12334d | 345 | r = sd_bus_creds_get_pid(creds, (pid_t*) &leader); |
c3350683 | 346 | if (r < 0) |
ebcf1f97 | 347 | return r; |
c3350683 | 348 | } |
554604b3 | 349 | |
1ee306e1 | 350 | if (hashmap_get(manager->machines, name)) |
ebcf1f97 | 351 | return sd_bus_error_setf(error, BUS_ERROR_MACHINE_EXISTS, "Machine '%s' already exists", name); |
1ee306e1 LP |
352 | |
353 | r = manager_add_machine(manager, name, &m); | |
354 | if (r < 0) | |
ebcf1f97 | 355 | return r; |
1ee306e1 LP |
356 | |
357 | m->leader = leader; | |
358 | m->class = c; | |
359 | m->id = id; | |
360 | ||
361 | if (!isempty(service)) { | |
362 | m->service = strdup(service); | |
363 | if (!m->service) { | |
ebcf1f97 | 364 | r = -ENOMEM; |
1ee306e1 LP |
365 | goto fail; |
366 | } | |
367 | } | |
368 | ||
369 | if (!isempty(root_directory)) { | |
370 | m->root_directory = strdup(root_directory); | |
371 | if (!m->root_directory) { | |
ebcf1f97 | 372 | r = -ENOMEM; |
1ee306e1 LP |
373 | goto fail; |
374 | } | |
375 | } | |
376 | ||
9b5ed6fe LP |
377 | if (n_netif > 0) { |
378 | assert_cc(sizeof(int32_t) == sizeof(int)); | |
379 | m->netif = memdup(netif, sizeof(int32_t) * n_netif); | |
380 | if (!m->netif) { | |
381 | r = -ENOMEM; | |
382 | goto fail; | |
383 | } | |
384 | ||
385 | m->n_netif = n_netif; | |
386 | } | |
387 | ||
89f7c846 LP |
388 | *_m = m; |
389 | ||
390 | return 1; | |
391 | ||
392 | fail: | |
393 | machine_add_to_gc_queue(m); | |
394 | return r; | |
395 | } | |
396 | ||
19070062 | 397 | static int method_create_machine_internal(sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) { |
89f7c846 LP |
398 | Manager *manager = userdata; |
399 | Machine *m = NULL; | |
400 | int r; | |
401 | ||
19070062 LP |
402 | assert(message); |
403 | assert(manager); | |
404 | ||
9b5ed6fe | 405 | r = method_create_or_register_machine(manager, message, read_network, &m, error); |
89f7c846 LP |
406 | if (r < 0) |
407 | return r; | |
408 | ||
409 | r = sd_bus_message_enter_container(message, 'a', "(sv)"); | |
410 | if (r < 0) | |
411 | goto fail; | |
412 | ||
ebcf1f97 LP |
413 | r = machine_start(m, message, error); |
414 | if (r < 0) | |
1ee306e1 LP |
415 | goto fail; |
416 | ||
c3350683 | 417 | m->create_message = sd_bus_message_ref(message); |
c3350683 | 418 | return 1; |
1ee306e1 LP |
419 | |
420 | fail: | |
a3e7f417 | 421 | machine_add_to_gc_queue(m); |
89f7c846 LP |
422 | return r; |
423 | } | |
1ee306e1 | 424 | |
19070062 LP |
425 | static int method_create_machine_with_network(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
426 | return method_create_machine_internal(message, true, userdata, error); | |
9b5ed6fe LP |
427 | } |
428 | ||
19070062 LP |
429 | static int method_create_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
430 | return method_create_machine_internal(message, false, userdata, error); | |
9b5ed6fe LP |
431 | } |
432 | ||
19070062 | 433 | static int method_register_machine_internal(sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) { |
89f7c846 LP |
434 | Manager *manager = userdata; |
435 | _cleanup_free_ char *p = NULL; | |
436 | Machine *m = NULL; | |
437 | int r; | |
438 | ||
19070062 LP |
439 | assert(message); |
440 | assert(manager); | |
441 | ||
9b5ed6fe | 442 | r = method_create_or_register_machine(manager, message, read_network, &m, error); |
89f7c846 LP |
443 | if (r < 0) |
444 | return r; | |
445 | ||
446 | r = cg_pid_get_unit(m->leader, &m->unit); | |
447 | if (r < 0) { | |
048c386e ZJS |
448 | r = sd_bus_error_set_errnof(error, r, |
449 | "Failed to determine unit of process "PID_FMT" : %m", | |
450 | m->leader); | |
89f7c846 LP |
451 | goto fail; |
452 | } | |
453 | ||
454 | r = machine_start(m, NULL, error); | |
455 | if (r < 0) | |
456 | goto fail; | |
457 | ||
458 | p = machine_bus_path(m); | |
459 | if (!p) { | |
460 | r = -ENOMEM; | |
461 | goto fail; | |
462 | } | |
463 | ||
464 | return sd_bus_reply_method_return(message, "o", p); | |
465 | ||
466 | fail: | |
467 | machine_add_to_gc_queue(m); | |
1ee306e1 LP |
468 | return r; |
469 | } | |
470 | ||
19070062 LP |
471 | static int method_register_machine_with_network(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
472 | return method_register_machine_internal(message, true, userdata, error); | |
9b5ed6fe LP |
473 | } |
474 | ||
19070062 LP |
475 | static int method_register_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
476 | return method_register_machine_internal(message, false, userdata, error); | |
9b5ed6fe LP |
477 | } |
478 | ||
19070062 | 479 | static int method_terminate_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1ee306e1 | 480 | Manager *m = userdata; |
c3350683 LP |
481 | Machine *machine; |
482 | const char *name; | |
1ee306e1 LP |
483 | int r; |
484 | ||
1ee306e1 LP |
485 | assert(message); |
486 | assert(m); | |
487 | ||
c3350683 LP |
488 | r = sd_bus_message_read(message, "s", &name); |
489 | if (r < 0) | |
ebcf1f97 | 490 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 491 | |
c3350683 LP |
492 | machine = hashmap_get(m->machines, name); |
493 | if (!machine) | |
ebcf1f97 | 494 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
1ee306e1 | 495 | |
19070062 | 496 | return bus_machine_method_terminate(message, machine, error); |
c3350683 | 497 | } |
1ee306e1 | 498 | |
19070062 | 499 | static int method_kill_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
500 | Manager *m = userdata; |
501 | Machine *machine; | |
502 | const char *name; | |
c3350683 | 503 | int r; |
1ee306e1 | 504 | |
c3350683 LP |
505 | assert(message); |
506 | assert(m); | |
1ee306e1 | 507 | |
878cd7e9 | 508 | r = sd_bus_message_read(message, "s", &name); |
c3350683 | 509 | if (r < 0) |
ebcf1f97 | 510 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 511 | |
c3350683 LP |
512 | machine = hashmap_get(m->machines, name); |
513 | if (!machine) | |
ebcf1f97 | 514 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
1ee306e1 | 515 | |
19070062 | 516 | return bus_machine_method_kill(message, machine, error); |
878cd7e9 LP |
517 | } |
518 | ||
19070062 | 519 | static int method_get_machine_addresses(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
878cd7e9 LP |
520 | Manager *m = userdata; |
521 | Machine *machine; | |
522 | const char *name; | |
523 | int r; | |
524 | ||
878cd7e9 LP |
525 | assert(message); |
526 | assert(m); | |
527 | ||
528 | r = sd_bus_message_read(message, "s", &name); | |
c3350683 | 529 | if (r < 0) |
ebcf1f97 | 530 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 531 | |
878cd7e9 LP |
532 | machine = hashmap_get(m->machines, name); |
533 | if (!machine) | |
534 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
535 | ||
19070062 | 536 | return bus_machine_method_get_addresses(message, machine, error); |
c3350683 | 537 | } |
1ee306e1 | 538 | |
19070062 | 539 | static int method_get_machine_os_release(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
717603e3 LP |
540 | Manager *m = userdata; |
541 | Machine *machine; | |
542 | const char *name; | |
543 | int r; | |
544 | ||
717603e3 LP |
545 | assert(message); |
546 | assert(m); | |
547 | ||
548 | r = sd_bus_message_read(message, "s", &name); | |
549 | if (r < 0) | |
550 | return sd_bus_error_set_errno(error, r); | |
551 | ||
552 | machine = hashmap_get(m->machines, name); | |
553 | if (!machine) | |
554 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
555 | ||
19070062 | 556 | return bus_machine_method_get_os_release(message, machine, error); |
717603e3 LP |
557 | } |
558 | ||
19070062 | 559 | static int method_list_images(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 560 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cd61c3bf LP |
561 | _cleanup_(image_hashmap_freep) Hashmap *images = NULL; |
562 | Manager *m = userdata; | |
563 | Image *image; | |
564 | Iterator i; | |
565 | int r; | |
566 | ||
cd61c3bf LP |
567 | assert(message); |
568 | assert(m); | |
569 | ||
570 | images = hashmap_new(&string_hash_ops); | |
571 | if (!images) | |
572 | return -ENOMEM; | |
573 | ||
574 | r = image_discover(images); | |
575 | if (r < 0) | |
576 | return r; | |
577 | ||
578 | r = sd_bus_message_new_method_return(message, &reply); | |
579 | if (r < 0) | |
580 | return r; | |
581 | ||
b6b18498 | 582 | r = sd_bus_message_open_container(reply, 'a', "(ssbttto)"); |
cd61c3bf LP |
583 | if (r < 0) |
584 | return r; | |
585 | ||
586 | HASHMAP_FOREACH(image, images, i) { | |
587 | _cleanup_free_ char *p = NULL; | |
588 | ||
589 | p = image_bus_path(image->name); | |
590 | if (!p) | |
591 | return -ENOMEM; | |
592 | ||
b6b18498 | 593 | r = sd_bus_message_append(reply, "(ssbttto)", |
cd61c3bf LP |
594 | image->name, |
595 | image_type_to_string(image->type), | |
596 | image->read_only, | |
10f9c755 LP |
597 | image->crtime, |
598 | image->mtime, | |
c19de711 | 599 | image->usage, |
cd61c3bf LP |
600 | p); |
601 | if (r < 0) | |
602 | return r; | |
603 | } | |
604 | ||
605 | r = sd_bus_message_close_container(reply); | |
606 | if (r < 0) | |
607 | return r; | |
608 | ||
9030ca46 | 609 | return sd_bus_send(NULL, reply, NULL); |
cd61c3bf LP |
610 | } |
611 | ||
19070062 | 612 | static int method_open_machine_pty(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
40205d70 LP |
613 | Manager *m = userdata; |
614 | Machine *machine; | |
615 | const char *name; | |
616 | int r; | |
617 | ||
40205d70 LP |
618 | assert(message); |
619 | assert(m); | |
620 | ||
621 | r = sd_bus_message_read(message, "s", &name); | |
622 | if (r < 0) | |
623 | return sd_bus_error_set_errno(error, r); | |
624 | ||
625 | machine = hashmap_get(m->machines, name); | |
626 | if (!machine) | |
627 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
628 | ||
19070062 | 629 | return bus_machine_method_open_pty(message, machine, error); |
40205d70 LP |
630 | } |
631 | ||
19070062 | 632 | static int method_open_machine_login(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
5f8cc96a LP |
633 | Manager *m = userdata; |
634 | Machine *machine; | |
635 | const char *name; | |
636 | int r; | |
637 | ||
5f8cc96a LP |
638 | assert(message); |
639 | assert(m); | |
640 | ||
641 | r = sd_bus_message_read(message, "s", &name); | |
642 | if (r < 0) | |
08682124 | 643 | return r; |
5f8cc96a LP |
644 | |
645 | machine = hashmap_get(m->machines, name); | |
646 | if (!machine) | |
647 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
648 | ||
19070062 | 649 | return bus_machine_method_open_login(message, machine, error); |
5f8cc96a LP |
650 | } |
651 | ||
49af9e13 LP |
652 | static int method_open_machine_shell(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
653 | Manager *m = userdata; | |
654 | Machine *machine; | |
655 | const char *name; | |
656 | ||
657 | int r; | |
658 | ||
659 | assert(message); | |
660 | assert(m); | |
661 | ||
662 | r = sd_bus_message_read(message, "s", &name); | |
663 | if (r < 0) | |
664 | return r; | |
665 | ||
666 | machine = hashmap_get(m->machines, name); | |
667 | if (!machine) | |
668 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
669 | ||
670 | return bus_machine_method_open_shell(message, machine, error); | |
671 | } | |
672 | ||
19070062 | 673 | static int method_bind_mount_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
90adaa25 LP |
674 | Manager *m = userdata; |
675 | Machine *machine; | |
676 | const char *name; | |
677 | int r; | |
678 | ||
90adaa25 LP |
679 | assert(message); |
680 | assert(m); | |
681 | ||
682 | r = sd_bus_message_read(message, "s", &name); | |
683 | if (r < 0) | |
684 | return r; | |
685 | ||
686 | machine = hashmap_get(m->machines, name); | |
687 | if (!machine) | |
688 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
689 | ||
19070062 | 690 | return bus_machine_method_bind_mount(message, machine, error); |
90adaa25 LP |
691 | } |
692 | ||
19070062 | 693 | static int method_copy_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
0370612e LP |
694 | Manager *m = userdata; |
695 | Machine *machine; | |
696 | const char *name; | |
697 | int r; | |
698 | ||
0370612e LP |
699 | assert(message); |
700 | assert(m); | |
701 | ||
702 | r = sd_bus_message_read(message, "s", &name); | |
703 | if (r < 0) | |
704 | return r; | |
705 | ||
706 | machine = hashmap_get(m->machines, name); | |
707 | if (!machine) | |
708 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
709 | ||
19070062 | 710 | return bus_machine_method_copy(message, machine, error); |
0370612e LP |
711 | } |
712 | ||
ae203207 LP |
713 | static int method_open_machine_root_directory(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
714 | Manager *m = userdata; | |
715 | Machine *machine; | |
716 | const char *name; | |
717 | int r; | |
718 | ||
719 | assert(message); | |
720 | assert(m); | |
721 | ||
722 | r = sd_bus_message_read(message, "s", &name); | |
723 | if (r < 0) | |
724 | return r; | |
725 | ||
726 | machine = hashmap_get(m->machines, name); | |
727 | if (!machine) | |
728 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
729 | ||
730 | return bus_machine_method_open_root_directory(message, machine, error); | |
731 | } | |
732 | ||
3401419b LP |
733 | static int method_get_machine_uid_shift(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
734 | Manager *m = userdata; | |
735 | Machine *machine; | |
736 | const char *name; | |
737 | int r; | |
738 | ||
739 | assert(message); | |
740 | assert(m); | |
741 | ||
742 | r = sd_bus_message_read(message, "s", &name); | |
743 | if (r < 0) | |
744 | return r; | |
745 | ||
746 | machine = hashmap_get(m->machines, name); | |
747 | if (!machine) | |
748 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
749 | ||
750 | return bus_machine_method_get_uid_shift(message, machine, error); | |
751 | } | |
752 | ||
19070062 | 753 | static int method_remove_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
08682124 LP |
754 | _cleanup_(image_unrefp) Image* i = NULL; |
755 | const char *name; | |
756 | int r; | |
757 | ||
08682124 LP |
758 | assert(message); |
759 | ||
760 | r = sd_bus_message_read(message, "s", &name); | |
761 | if (r < 0) | |
762 | return r; | |
763 | ||
764 | if (!image_name_is_valid(name)) | |
765 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
766 | ||
767 | r = image_find(name, &i); | |
768 | if (r < 0) | |
769 | return r; | |
770 | if (r == 0) | |
771 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
772 | ||
70244d1d | 773 | i->userdata = userdata; |
19070062 | 774 | return bus_image_method_remove(message, i, error); |
08682124 LP |
775 | } |
776 | ||
19070062 | 777 | static int method_rename_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
ebd93cb6 | 778 | _cleanup_(image_unrefp) Image* i = NULL; |
1ddb263d | 779 | const char *old_name; |
ebd93cb6 LP |
780 | int r; |
781 | ||
ebd93cb6 LP |
782 | assert(message); |
783 | ||
1ddb263d | 784 | r = sd_bus_message_read(message, "s", &old_name); |
ebd93cb6 LP |
785 | if (r < 0) |
786 | return r; | |
787 | ||
788 | if (!image_name_is_valid(old_name)) | |
789 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", old_name); | |
ebd93cb6 LP |
790 | |
791 | r = image_find(old_name, &i); | |
792 | if (r < 0) | |
793 | return r; | |
794 | if (r == 0) | |
795 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", old_name); | |
796 | ||
70244d1d | 797 | i->userdata = userdata; |
19070062 | 798 | return bus_image_method_rename(message, i, error); |
ebd93cb6 LP |
799 | } |
800 | ||
19070062 | 801 | static int method_clone_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
ebd93cb6 | 802 | _cleanup_(image_unrefp) Image *i = NULL; |
1ddb263d LP |
803 | const char *old_name; |
804 | int r; | |
ebd93cb6 | 805 | |
19070062 LP |
806 | assert(message); |
807 | ||
1ddb263d | 808 | r = sd_bus_message_read(message, "s", &old_name); |
ebd93cb6 LP |
809 | if (r < 0) |
810 | return r; | |
811 | ||
812 | if (!image_name_is_valid(old_name)) | |
813 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", old_name); | |
ebd93cb6 LP |
814 | |
815 | r = image_find(old_name, &i); | |
816 | if (r < 0) | |
817 | return r; | |
818 | if (r == 0) | |
819 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", old_name); | |
820 | ||
70244d1d | 821 | i->userdata = userdata; |
19070062 | 822 | return bus_image_method_clone(message, i, error); |
ebd93cb6 LP |
823 | } |
824 | ||
19070062 | 825 | static int method_mark_image_read_only(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
ebd93cb6 LP |
826 | _cleanup_(image_unrefp) Image *i = NULL; |
827 | const char *name; | |
1ddb263d | 828 | int r; |
ebd93cb6 | 829 | |
19070062 LP |
830 | assert(message); |
831 | ||
1ddb263d | 832 | r = sd_bus_message_read(message, "s", &name); |
ebd93cb6 LP |
833 | if (r < 0) |
834 | return r; | |
835 | ||
836 | if (!image_name_is_valid(name)) | |
837 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
838 | ||
839 | r = image_find(name, &i); | |
840 | if (r < 0) | |
841 | return r; | |
842 | if (r == 0) | |
843 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
844 | ||
70244d1d | 845 | i->userdata = userdata; |
19070062 | 846 | return bus_image_method_mark_read_only(message, i, error); |
ebd93cb6 LP |
847 | } |
848 | ||
cf30a8c1 LP |
849 | static int method_get_image_hostname(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
850 | _cleanup_(image_unrefp) Image *i = NULL; | |
851 | const char *name; | |
852 | int r; | |
853 | ||
854 | assert(message); | |
855 | ||
856 | r = sd_bus_message_read(message, "s", &name); | |
857 | if (r < 0) | |
858 | return r; | |
859 | ||
860 | if (!image_name_is_valid(name)) | |
861 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
862 | ||
863 | r = image_find(name, &i); | |
864 | if (r < 0) | |
865 | return r; | |
866 | if (r == 0) | |
867 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
868 | ||
869 | i->userdata = userdata; | |
870 | return bus_image_method_get_hostname(message, i, error); | |
871 | } | |
872 | ||
873 | static int method_get_image_machine_id(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
874 | _cleanup_(image_unrefp) Image *i = NULL; | |
875 | const char *name; | |
876 | int r; | |
877 | ||
878 | assert(message); | |
879 | ||
880 | r = sd_bus_message_read(message, "s", &name); | |
881 | if (r < 0) | |
882 | return r; | |
883 | ||
884 | if (!image_name_is_valid(name)) | |
885 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
886 | ||
887 | r = image_find(name, &i); | |
888 | if (r < 0) | |
889 | return r; | |
890 | if (r == 0) | |
891 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
892 | ||
893 | i->userdata = userdata; | |
894 | return bus_image_method_get_machine_id(message, i, error); | |
895 | } | |
896 | ||
897 | static int method_get_image_machine_info(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
898 | _cleanup_(image_unrefp) Image *i = NULL; | |
899 | const char *name; | |
900 | int r; | |
901 | ||
902 | assert(message); | |
903 | ||
904 | r = sd_bus_message_read(message, "s", &name); | |
905 | if (r < 0) | |
906 | return r; | |
907 | ||
908 | if (!image_name_is_valid(name)) | |
909 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
910 | ||
911 | r = image_find(name, &i); | |
912 | if (r < 0) | |
913 | return r; | |
914 | if (r == 0) | |
915 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
916 | ||
917 | i->userdata = userdata; | |
918 | return bus_image_method_get_machine_info(message, i, error); | |
919 | } | |
920 | ||
9153b02b LP |
921 | static int method_get_image_os_release(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
922 | _cleanup_(image_unrefp) Image *i = NULL; | |
923 | const char *name; | |
924 | int r; | |
925 | ||
926 | assert(message); | |
927 | ||
928 | r = sd_bus_message_read(message, "s", &name); | |
929 | if (r < 0) | |
930 | return r; | |
931 | ||
932 | if (!image_name_is_valid(name)) | |
933 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
934 | ||
935 | r = image_find(name, &i); | |
936 | if (r < 0) | |
937 | return r; | |
938 | if (r == 0) | |
939 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
940 | ||
941 | i->userdata = userdata; | |
942 | return bus_image_method_get_os_release(message, i, error); | |
943 | } | |
944 | ||
03c2b288 LP |
945 | static int clean_pool_done(Operation *operation, int ret, sd_bus_error *error) { |
946 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
947 | _cleanup_fclose_ FILE *f = NULL; | |
948 | bool success; | |
949 | size_t n; | |
950 | int r; | |
951 | ||
952 | assert(operation); | |
953 | assert(operation->extra_fd >= 0); | |
954 | ||
955 | if (lseek(operation->extra_fd, 0, SEEK_SET) == (off_t) -1) | |
956 | return -errno; | |
957 | ||
958 | f = fdopen(operation->extra_fd, "re"); | |
959 | if (!f) | |
960 | return -errno; | |
961 | ||
962 | operation->extra_fd = -1; | |
963 | ||
964 | /* The resulting temporary file starts with a boolean value that indicates success or not. */ | |
965 | errno = 0; | |
966 | n = fread(&success, 1, sizeof(success), f); | |
967 | if (n != sizeof(success)) | |
968 | return ret < 0 ? ret : (errno != 0 ? -errno : -EIO); | |
969 | ||
970 | if (ret < 0) { | |
971 | _cleanup_free_ char *name = NULL; | |
972 | ||
973 | /* The clean-up operation failed. In this case the resulting temporary file should contain a boolean | |
974 | * set to false followed by the name of the failed image. Let's try to read this and use it for the | |
975 | * error message. If we can't read it, don't mind, and return the naked error. */ | |
976 | ||
977 | if (success) /* The resulting temporary file could not be updated, ignore it. */ | |
978 | return ret; | |
979 | ||
980 | r = read_nul_string(f, &name); | |
981 | if (r < 0 || isempty(name)) /* Same here... */ | |
982 | return ret; | |
983 | ||
984 | return sd_bus_error_set_errnof(error, ret, "Failed to remove image %s: %m", name); | |
985 | } | |
986 | ||
987 | assert(success); | |
988 | ||
989 | r = sd_bus_message_new_method_return(operation->message, &reply); | |
990 | if (r < 0) | |
991 | return r; | |
992 | ||
993 | r = sd_bus_message_open_container(reply, 'a', "(st)"); | |
994 | if (r < 0) | |
995 | return r; | |
996 | ||
997 | /* On success the resulting temporary file will contain a list of image names that were removed followed by | |
998 | * their size on disk. Let's read that and turn it into a bus message. */ | |
999 | for (;;) { | |
1000 | _cleanup_free_ char *name = NULL; | |
1001 | uint64_t size; | |
1002 | ||
1003 | r = read_nul_string(f, &name); | |
1004 | if (r < 0) | |
1005 | return r; | |
1006 | if (isempty(name)) /* reached the end */ | |
1007 | break; | |
1008 | ||
1009 | errno = 0; | |
1010 | n = fread(&size, 1, sizeof(size), f); | |
1011 | if (n != sizeof(size)) | |
1012 | return errno != 0 ? -errno : -EIO; | |
1013 | ||
1014 | r = sd_bus_message_append(reply, "(st)", name, size); | |
1015 | if (r < 0) | |
1016 | return r; | |
1017 | } | |
1018 | ||
1019 | r = sd_bus_message_close_container(reply); | |
1020 | if (r < 0) | |
1021 | return r; | |
1022 | ||
1023 | return sd_bus_send(NULL, reply, NULL); | |
1024 | } | |
1025 | ||
d94c2b06 LP |
1026 | static int method_clean_pool(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1027 | enum { | |
1028 | REMOVE_ALL, | |
1029 | REMOVE_HIDDEN, | |
1030 | } mode; | |
1031 | ||
03c2b288 LP |
1032 | _cleanup_close_pair_ int errno_pipe_fd[2] = { -1, -1 }; |
1033 | _cleanup_close_ int result_fd = -1; | |
d94c2b06 | 1034 | Manager *m = userdata; |
03c2b288 | 1035 | Operation *operation; |
d94c2b06 | 1036 | const char *mm; |
03c2b288 | 1037 | pid_t child; |
d94c2b06 LP |
1038 | int r; |
1039 | ||
1040 | assert(message); | |
1041 | ||
03c2b288 LP |
1042 | if (m->n_operations >= OPERATIONS_MAX) |
1043 | return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Too many ongoing operations."); | |
1044 | ||
d94c2b06 LP |
1045 | r = sd_bus_message_read(message, "s", &mm); |
1046 | if (r < 0) | |
1047 | return r; | |
1048 | ||
1049 | if (streq(mm, "all")) | |
1050 | mode = REMOVE_ALL; | |
1051 | else if (streq(mm, "hidden")) | |
1052 | mode = REMOVE_HIDDEN; | |
1053 | else | |
1054 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown mode '%s'.", mm); | |
1055 | ||
1056 | r = bus_verify_polkit_async( | |
1057 | message, | |
1058 | CAP_SYS_ADMIN, | |
1059 | "org.freedesktop.machine1.manage-machines", | |
1060 | NULL, | |
1061 | false, | |
1062 | UID_INVALID, | |
1063 | &m->polkit_registry, | |
1064 | error); | |
1065 | if (r < 0) | |
1066 | return r; | |
1067 | if (r == 0) | |
1068 | return 1; /* Will call us back */ | |
1069 | ||
03c2b288 LP |
1070 | if (pipe2(errno_pipe_fd, O_CLOEXEC|O_NONBLOCK) < 0) |
1071 | return sd_bus_error_set_errnof(error, errno, "Failed to create pipe: %m"); | |
d94c2b06 | 1072 | |
03c2b288 LP |
1073 | /* Create a temporary file we can dump information about deleted images into. We use a temporary file for this |
1074 | * instead of a pipe or so, since this might grow quit large in theory and we don't want to process this | |
595bfe7d | 1075 | * continuously */ |
992e8f22 | 1076 | result_fd = open_tmpfile_unlinkable(NULL, O_RDWR|O_CLOEXEC); |
03c2b288 LP |
1077 | if (result_fd < 0) |
1078 | return -errno; | |
d94c2b06 | 1079 | |
03c2b288 LP |
1080 | /* This might be a slow operation, run it asynchronously in a background process */ |
1081 | child = fork(); | |
1082 | if (child < 0) | |
1083 | return sd_bus_error_set_errnof(error, errno, "Failed to fork(): %m"); | |
d94c2b06 | 1084 | |
03c2b288 LP |
1085 | if (child == 0) { |
1086 | _cleanup_(image_hashmap_freep) Hashmap *images = NULL; | |
1087 | bool success = true; | |
1088 | Image *image; | |
1089 | Iterator i; | |
1090 | ssize_t l; | |
d94c2b06 | 1091 | |
03c2b288 | 1092 | errno_pipe_fd[0] = safe_close(errno_pipe_fd[0]); |
d94c2b06 | 1093 | |
03c2b288 LP |
1094 | images = hashmap_new(&string_hash_ops); |
1095 | if (!images) { | |
1096 | r = -ENOMEM; | |
1097 | goto child_fail; | |
1098 | } | |
d94c2b06 | 1099 | |
03c2b288 LP |
1100 | r = image_discover(images); |
1101 | if (r < 0) | |
1102 | goto child_fail; | |
d94c2b06 | 1103 | |
03c2b288 LP |
1104 | l = write(result_fd, &success, sizeof(success)); |
1105 | if (l < 0) { | |
1106 | r = -errno; | |
1107 | goto child_fail; | |
1108 | } | |
d94c2b06 | 1109 | |
03c2b288 LP |
1110 | HASHMAP_FOREACH(image, images, i) { |
1111 | ||
1112 | /* We can't remove vendor images (i.e. those in /usr) */ | |
1113 | if (IMAGE_IS_VENDOR(image)) | |
1114 | continue; | |
1115 | ||
1116 | if (IMAGE_IS_HOST(image)) | |
1117 | continue; | |
1118 | ||
1119 | if (mode == REMOVE_HIDDEN && !IMAGE_IS_HIDDEN(image)) | |
1120 | continue; | |
1121 | ||
1122 | r = image_remove(image); | |
1123 | if (r == -EBUSY) /* keep images that are currently being used. */ | |
1124 | continue; | |
1125 | if (r < 0) { | |
1126 | /* If the operation failed, let's override everything we wrote, and instead write there at which image we failed. */ | |
1127 | success = false; | |
1128 | (void) ftruncate(result_fd, 0); | |
1129 | (void) lseek(result_fd, 0, SEEK_SET); | |
1130 | (void) write(result_fd, &success, sizeof(success)); | |
1131 | (void) write(result_fd, image->name, strlen(image->name)+1); | |
1132 | goto child_fail; | |
1133 | } | |
1134 | ||
1135 | l = write(result_fd, image->name, strlen(image->name)+1); | |
1136 | if (l < 0) { | |
1137 | r = -errno; | |
1138 | goto child_fail; | |
1139 | } | |
1140 | ||
1141 | l = write(result_fd, &image->usage_exclusive, sizeof(image->usage_exclusive)); | |
1142 | if (l < 0) { | |
1143 | r = -errno; | |
1144 | goto child_fail; | |
1145 | } | |
1146 | } | |
d94c2b06 | 1147 | |
03c2b288 LP |
1148 | result_fd = safe_close(result_fd); |
1149 | _exit(EXIT_SUCCESS); | |
1150 | ||
1151 | child_fail: | |
1152 | (void) write(errno_pipe_fd[1], &r, sizeof(r)); | |
1153 | _exit(EXIT_FAILURE); | |
d94c2b06 LP |
1154 | } |
1155 | ||
03c2b288 LP |
1156 | errno_pipe_fd[1] = safe_close(errno_pipe_fd[1]); |
1157 | ||
1158 | /* The clean-up might take a while, hence install a watch on the child and return */ | |
1159 | ||
1160 | r = operation_new(m, NULL, child, message, errno_pipe_fd[0], &operation); | |
1161 | if (r < 0) { | |
1162 | (void) sigkill_wait(child); | |
d94c2b06 | 1163 | return r; |
03c2b288 | 1164 | } |
d94c2b06 | 1165 | |
03c2b288 LP |
1166 | operation->extra_fd = result_fd; |
1167 | operation->done = clean_pool_done; | |
1168 | ||
1169 | result_fd = -1; | |
1170 | errno_pipe_fd[0] = -1; | |
1171 | ||
1172 | return 1; | |
d94c2b06 LP |
1173 | } |
1174 | ||
19070062 | 1175 | static int method_set_pool_limit(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
d6ce17c7 LP |
1176 | Manager *m = userdata; |
1177 | uint64_t limit; | |
1178 | int r; | |
1179 | ||
19070062 LP |
1180 | assert(message); |
1181 | ||
d6ce17c7 LP |
1182 | r = sd_bus_message_read(message, "t", &limit); |
1183 | if (r < 0) | |
1184 | return r; | |
a90fb858 LP |
1185 | if (!FILE_SIZE_VALID_OR_INFINITY(limit)) |
1186 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "New limit out of range"); | |
d6ce17c7 LP |
1187 | |
1188 | r = bus_verify_polkit_async( | |
1189 | message, | |
1190 | CAP_SYS_ADMIN, | |
1191 | "org.freedesktop.machine1.manage-machines", | |
403ed0e5 | 1192 | NULL, |
d6ce17c7 LP |
1193 | false, |
1194 | UID_INVALID, | |
1195 | &m->polkit_registry, | |
1196 | error); | |
1197 | if (r < 0) | |
1198 | return r; | |
1199 | if (r == 0) | |
1200 | return 1; /* Will call us back */ | |
1201 | ||
4cee5eed LP |
1202 | /* Set up the machine directory if necessary */ |
1203 | r = setup_machine_directory(limit, error); | |
1204 | if (r < 0) | |
1205 | return r; | |
1206 | ||
05e8f270 LP |
1207 | /* Resize the backing loopback device, if there is one, except if we asked to drop any limit */ |
1208 | if (limit != (uint64_t) -1) { | |
1209 | r = btrfs_resize_loopback("/var/lib/machines", limit, false); | |
1210 | if (r == -ENOTTY) | |
1211 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Quota is only supported on btrfs."); | |
1212 | if (r < 0 && r != -ENODEV) /* ignore ENODEV, as that's what is returned if the file system is not on loopback */ | |
1213 | return sd_bus_error_set_errnof(error, r, "Failed to adjust loopback limit: %m"); | |
1214 | } | |
efe02862 | 1215 | |
5bcd08db LP |
1216 | (void) btrfs_qgroup_set_limit("/var/lib/machines", 0, limit); |
1217 | ||
1218 | r = btrfs_subvol_set_subtree_quota_limit("/var/lib/machines", 0, limit); | |
d6ce17c7 LP |
1219 | if (r == -ENOTTY) |
1220 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Quota is only supported on btrfs."); | |
26166c88 | 1221 | if (r < 0) |
d6ce17c7 LP |
1222 | return sd_bus_error_set_errnof(error, r, "Failed to adjust quota limit: %m"); |
1223 | ||
1224 | return sd_bus_reply_method_return(message, NULL); | |
1225 | } | |
1226 | ||
19070062 | 1227 | static int method_set_image_limit(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
d6ce17c7 LP |
1228 | _cleanup_(image_unrefp) Image *i = NULL; |
1229 | const char *name; | |
1230 | int r; | |
1231 | ||
19070062 LP |
1232 | assert(message); |
1233 | ||
d6ce17c7 LP |
1234 | r = sd_bus_message_read(message, "s", &name); |
1235 | if (r < 0) | |
1236 | return r; | |
1237 | ||
1238 | if (!image_name_is_valid(name)) | |
1239 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
1240 | ||
1241 | r = image_find(name, &i); | |
1242 | if (r < 0) | |
1243 | return r; | |
1244 | if (r == 0) | |
1245 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
1246 | ||
1247 | i->userdata = userdata; | |
19070062 | 1248 | return bus_image_method_set_limit(message, i, error); |
d6ce17c7 LP |
1249 | } |
1250 | ||
c01ff965 LP |
1251 | static int method_map_from_machine_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1252 | _cleanup_fclose_ FILE *f = NULL; | |
1253 | Manager *m = userdata; | |
1254 | const char *name, *p; | |
1255 | Machine *machine; | |
1256 | uint32_t uid; | |
1257 | int r; | |
1258 | ||
1259 | r = sd_bus_message_read(message, "su", &name, &uid); | |
1260 | if (r < 0) | |
1261 | return r; | |
1262 | ||
c077529b | 1263 | if (!uid_is_valid(uid)) |
c01ff965 LP |
1264 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
1265 | ||
1266 | machine = hashmap_get(m->machines, name); | |
1267 | if (!machine) | |
1268 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
1269 | ||
a79366e2 LP |
1270 | if (machine->class != MACHINE_CONTAINER) |
1271 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Not supported for non-container machines."); | |
1272 | ||
c01ff965 LP |
1273 | p = procfs_file_alloca(machine->leader, "uid_map"); |
1274 | f = fopen(p, "re"); | |
1275 | if (!f) | |
1276 | return -errno; | |
1277 | ||
1278 | for (;;) { | |
1279 | uid_t uid_base, uid_shift, uid_range, converted; | |
1280 | int k; | |
1281 | ||
1282 | errno = 0; | |
1283 | k = fscanf(f, UID_FMT " " UID_FMT " " UID_FMT, &uid_base, &uid_shift, &uid_range); | |
1284 | if (k < 0 && feof(f)) | |
1285 | break; | |
1286 | if (k != 3) { | |
b3267152 | 1287 | if (ferror(f) && errno > 0) |
c01ff965 LP |
1288 | return -errno; |
1289 | ||
1290 | return -EIO; | |
1291 | } | |
1292 | ||
1293 | if (uid < uid_base || uid >= uid_base + uid_range) | |
1294 | continue; | |
1295 | ||
1296 | converted = uid - uid_base + uid_shift; | |
c077529b | 1297 | if (!uid_is_valid(converted)) |
c01ff965 LP |
1298 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
1299 | ||
1300 | return sd_bus_reply_method_return(message, "u", (uint32_t) converted); | |
1301 | } | |
1302 | ||
1303 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "Machine '%s' has no matching user mappings.", name); | |
1304 | } | |
1305 | ||
1306 | static int method_map_to_machine_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
1307 | Manager *m = userdata; | |
1308 | Machine *machine; | |
1309 | uid_t uid; | |
1310 | Iterator i; | |
1311 | int r; | |
1312 | ||
1313 | r = sd_bus_message_read(message, "u", &uid); | |
1314 | if (r < 0) | |
1315 | return r; | |
c077529b | 1316 | if (!uid_is_valid(uid)) |
c01ff965 LP |
1317 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
1318 | if (uid < 0x10000) | |
1319 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "User " UID_FMT " belongs to host UID range", uid); | |
1320 | ||
1321 | HASHMAP_FOREACH(machine, m->machines, i) { | |
1322 | _cleanup_fclose_ FILE *f = NULL; | |
1323 | char p[strlen("/proc//uid_map") + DECIMAL_STR_MAX(pid_t) + 1]; | |
1324 | ||
a79366e2 LP |
1325 | if (machine->class != MACHINE_CONTAINER) |
1326 | continue; | |
1327 | ||
c01ff965 LP |
1328 | xsprintf(p, "/proc/" UID_FMT "/uid_map", machine->leader); |
1329 | f = fopen(p, "re"); | |
1330 | if (!f) { | |
1331 | log_warning_errno(errno, "Failed top open %s, ignoring,", p); | |
1332 | continue; | |
1333 | } | |
1334 | ||
1335 | for (;;) { | |
1336 | _cleanup_free_ char *o = NULL; | |
1337 | uid_t uid_base, uid_shift, uid_range, converted; | |
1338 | int k; | |
1339 | ||
1340 | errno = 0; | |
1341 | k = fscanf(f, UID_FMT " " UID_FMT " " UID_FMT, &uid_base, &uid_shift, &uid_range); | |
1342 | if (k < 0 && feof(f)) | |
1343 | break; | |
1344 | if (k != 3) { | |
b3267152 | 1345 | if (ferror(f) && errno > 0) |
c01ff965 LP |
1346 | return -errno; |
1347 | ||
1348 | return -EIO; | |
1349 | } | |
1350 | ||
1351 | if (uid < uid_shift || uid >= uid_shift + uid_range) | |
1352 | continue; | |
1353 | ||
1354 | converted = (uid - uid_shift + uid_base); | |
c077529b | 1355 | if (!uid_is_valid(converted)) |
c01ff965 LP |
1356 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
1357 | ||
1358 | o = machine_bus_path(machine); | |
1359 | if (!o) | |
1360 | return -ENOMEM; | |
1361 | ||
1362 | return sd_bus_reply_method_return(message, "sou", machine->name, o, (uint32_t) converted); | |
1363 | } | |
1364 | } | |
1365 | ||
1366 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "No matching user mapping for " UID_FMT ".", uid); | |
1367 | } | |
1368 | ||
1369 | static int method_map_from_machine_group(sd_bus_message *message, void *groupdata, sd_bus_error *error) { | |
1370 | _cleanup_fclose_ FILE *f = NULL; | |
1371 | Manager *m = groupdata; | |
1372 | const char *name, *p; | |
1373 | Machine *machine; | |
1374 | uint32_t gid; | |
1375 | int r; | |
1376 | ||
1377 | r = sd_bus_message_read(message, "su", &name, &gid); | |
1378 | if (r < 0) | |
1379 | return r; | |
1380 | ||
c077529b | 1381 | if (!gid_is_valid(gid)) |
c01ff965 LP |
1382 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1383 | ||
1384 | machine = hashmap_get(m->machines, name); | |
1385 | if (!machine) | |
1386 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
1387 | ||
a79366e2 LP |
1388 | if (machine->class != MACHINE_CONTAINER) |
1389 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Not supported for non-container machines."); | |
1390 | ||
c01ff965 LP |
1391 | p = procfs_file_alloca(machine->leader, "gid_map"); |
1392 | f = fopen(p, "re"); | |
1393 | if (!f) | |
1394 | return -errno; | |
1395 | ||
1396 | for (;;) { | |
1397 | gid_t gid_base, gid_shift, gid_range, converted; | |
1398 | int k; | |
1399 | ||
1400 | errno = 0; | |
1401 | k = fscanf(f, GID_FMT " " GID_FMT " " GID_FMT, &gid_base, &gid_shift, &gid_range); | |
1402 | if (k < 0 && feof(f)) | |
1403 | break; | |
1404 | if (k != 3) { | |
b3267152 | 1405 | if (ferror(f) && errno > 0) |
c01ff965 LP |
1406 | return -errno; |
1407 | ||
1408 | return -EIO; | |
1409 | } | |
1410 | ||
1411 | if (gid < gid_base || gid >= gid_base + gid_range) | |
1412 | continue; | |
1413 | ||
1414 | converted = gid - gid_base + gid_shift; | |
c077529b | 1415 | if (!gid_is_valid(converted)) |
c01ff965 LP |
1416 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1417 | ||
1418 | return sd_bus_reply_method_return(message, "u", (uint32_t) converted); | |
1419 | } | |
1420 | ||
1421 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "Machine '%s' has no matching group mappings.", name); | |
1422 | } | |
1423 | ||
1424 | static int method_map_to_machine_group(sd_bus_message *message, void *groupdata, sd_bus_error *error) { | |
1425 | Manager *m = groupdata; | |
1426 | Machine *machine; | |
1427 | gid_t gid; | |
1428 | Iterator i; | |
1429 | int r; | |
1430 | ||
1431 | r = sd_bus_message_read(message, "u", &gid); | |
1432 | if (r < 0) | |
1433 | return r; | |
c077529b | 1434 | if (!gid_is_valid(gid)) |
c01ff965 LP |
1435 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1436 | if (gid < 0x10000) | |
1437 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "Group " GID_FMT " belongs to host GID range", gid); | |
1438 | ||
1439 | HASHMAP_FOREACH(machine, m->machines, i) { | |
1440 | _cleanup_fclose_ FILE *f = NULL; | |
1441 | char p[strlen("/proc//gid_map") + DECIMAL_STR_MAX(pid_t) + 1]; | |
1442 | ||
a79366e2 LP |
1443 | if (machine->class != MACHINE_CONTAINER) |
1444 | continue; | |
1445 | ||
c01ff965 LP |
1446 | xsprintf(p, "/proc/" GID_FMT "/gid_map", machine->leader); |
1447 | f = fopen(p, "re"); | |
1448 | if (!f) { | |
1449 | log_warning_errno(errno, "Failed top open %s, ignoring,", p); | |
1450 | continue; | |
1451 | } | |
1452 | ||
1453 | for (;;) { | |
1454 | _cleanup_free_ char *o = NULL; | |
1455 | gid_t gid_base, gid_shift, gid_range, converted; | |
1456 | int k; | |
1457 | ||
1458 | errno = 0; | |
1459 | k = fscanf(f, GID_FMT " " GID_FMT " " GID_FMT, &gid_base, &gid_shift, &gid_range); | |
1460 | if (k < 0 && feof(f)) | |
1461 | break; | |
1462 | if (k != 3) { | |
b3267152 | 1463 | if (ferror(f) && errno > 0) |
c01ff965 LP |
1464 | return -errno; |
1465 | ||
1466 | return -EIO; | |
1467 | } | |
1468 | ||
1469 | if (gid < gid_shift || gid >= gid_shift + gid_range) | |
1470 | continue; | |
1471 | ||
1472 | converted = (gid - gid_shift + gid_base); | |
c077529b | 1473 | if (!gid_is_valid(converted)) |
c01ff965 LP |
1474 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1475 | ||
1476 | o = machine_bus_path(machine); | |
1477 | if (!o) | |
1478 | return -ENOMEM; | |
1479 | ||
1480 | return sd_bus_reply_method_return(message, "sou", machine->name, o, (uint32_t) converted); | |
1481 | } | |
1482 | } | |
1483 | ||
1484 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "No matching group mapping for " GID_FMT ".", gid); | |
1485 | } | |
1486 | ||
c3350683 LP |
1487 | const sd_bus_vtable manager_vtable[] = { |
1488 | SD_BUS_VTABLE_START(0), | |
160e3793 LP |
1489 | SD_BUS_PROPERTY("PoolPath", "s", property_get_pool_path, 0, 0), |
1490 | SD_BUS_PROPERTY("PoolUsage", "t", property_get_pool_usage, 0, 0), | |
1491 | SD_BUS_PROPERTY("PoolLimit", "t", property_get_pool_limit, 0, 0), | |
adacb957 | 1492 | SD_BUS_METHOD("GetMachine", "s", "o", method_get_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
c2ce6a3d | 1493 | SD_BUS_METHOD("GetImage", "s", "o", method_get_image, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
1494 | SD_BUS_METHOD("GetMachineByPID", "u", "o", method_get_machine_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), |
1495 | SD_BUS_METHOD("ListMachines", NULL, "a(ssso)", method_list_machines, SD_BUS_VTABLE_UNPRIVILEGED), | |
b6b18498 | 1496 | SD_BUS_METHOD("ListImages", NULL, "a(ssbttto)", method_list_images, SD_BUS_VTABLE_UNPRIVILEGED), |
c3350683 | 1497 | SD_BUS_METHOD("CreateMachine", "sayssusa(sv)", "o", method_create_machine, 0), |
9b5ed6fe | 1498 | SD_BUS_METHOD("CreateMachineWithNetwork", "sayssusaia(sv)", "o", method_create_machine_with_network, 0), |
8d07a7c4 | 1499 | SD_BUS_METHOD("RegisterMachine", "sayssus", "o", method_register_machine, 0), |
9b5ed6fe | 1500 | SD_BUS_METHOD("RegisterMachineWithNetwork", "sayssusai", "o", method_register_machine_with_network, 0), |
70244d1d LP |
1501 | SD_BUS_METHOD("TerminateMachine", "s", NULL, method_terminate_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
1502 | SD_BUS_METHOD("KillMachine", "ssi", NULL, method_kill_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
3a6fb33c | 1503 | SD_BUS_METHOD("GetMachineAddresses", "s", "a(iay)", method_get_machine_addresses, SD_BUS_VTABLE_UNPRIVILEGED), |
717603e3 | 1504 | SD_BUS_METHOD("GetMachineOSRelease", "s", "a{ss}", method_get_machine_os_release, SD_BUS_VTABLE_UNPRIVILEGED), |
40205d70 | 1505 | SD_BUS_METHOD("OpenMachinePTY", "s", "hs", method_open_machine_pty, 0), |
d04c1fb8 | 1506 | SD_BUS_METHOD("OpenMachineLogin", "s", "hs", method_open_machine_login, SD_BUS_VTABLE_UNPRIVILEGED), |
49af9e13 | 1507 | SD_BUS_METHOD("OpenMachineShell", "sssasas", "hs", method_open_machine_shell, SD_BUS_VTABLE_UNPRIVILEGED), |
70244d1d LP |
1508 | SD_BUS_METHOD("BindMountMachine", "sssbb", NULL, method_bind_mount_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
1509 | SD_BUS_METHOD("CopyFromMachine", "sss", NULL, method_copy_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
1510 | SD_BUS_METHOD("CopyToMachine", "sss", NULL, method_copy_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
ae203207 | 1511 | SD_BUS_METHOD("OpenMachineRootDirectory", "s", "h", method_open_machine_root_directory, SD_BUS_VTABLE_UNPRIVILEGED), |
3401419b | 1512 | SD_BUS_METHOD("GetMachineUIDShift", "s", "u", method_get_machine_uid_shift, SD_BUS_VTABLE_UNPRIVILEGED), |
70244d1d LP |
1513 | SD_BUS_METHOD("RemoveImage", "s", NULL, method_remove_image, SD_BUS_VTABLE_UNPRIVILEGED), |
1514 | SD_BUS_METHOD("RenameImage", "ss", NULL, method_rename_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
1515 | SD_BUS_METHOD("CloneImage", "ssb", NULL, method_clone_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
1516 | SD_BUS_METHOD("MarkImageReadOnly", "sb", NULL, method_mark_image_read_only, SD_BUS_VTABLE_UNPRIVILEGED), | |
cf30a8c1 LP |
1517 | SD_BUS_METHOD("GetImageHostname", "s", "s", method_get_image_hostname, SD_BUS_VTABLE_UNPRIVILEGED), |
1518 | SD_BUS_METHOD("GetImageMachineID", "s", "ay", method_get_image_machine_id, SD_BUS_VTABLE_UNPRIVILEGED), | |
1519 | SD_BUS_METHOD("GetImageMachineInfo", "s", "a{ss}", method_get_image_machine_info, SD_BUS_VTABLE_UNPRIVILEGED), | |
9153b02b | 1520 | SD_BUS_METHOD("GetImageOSRelease", "s", "a{ss}", method_get_image_os_release, SD_BUS_VTABLE_UNPRIVILEGED), |
d6ce17c7 LP |
1521 | SD_BUS_METHOD("SetPoolLimit", "t", NULL, method_set_pool_limit, SD_BUS_VTABLE_UNPRIVILEGED), |
1522 | SD_BUS_METHOD("SetImageLimit", "st", NULL, method_set_image_limit, SD_BUS_VTABLE_UNPRIVILEGED), | |
d94c2b06 | 1523 | SD_BUS_METHOD("CleanPool", "s", "a(st)", method_clean_pool, SD_BUS_VTABLE_UNPRIVILEGED), |
c01ff965 LP |
1524 | SD_BUS_METHOD("MapFromMachineUser", "su", "u", method_map_from_machine_user, SD_BUS_VTABLE_UNPRIVILEGED), |
1525 | SD_BUS_METHOD("MapToMachineUser", "u", "sou", method_map_to_machine_user, SD_BUS_VTABLE_UNPRIVILEGED), | |
1526 | SD_BUS_METHOD("MapFromMachineGroup", "su", "u", method_map_from_machine_group, SD_BUS_VTABLE_UNPRIVILEGED), | |
1527 | SD_BUS_METHOD("MapToMachineGroup", "u", "sou", method_map_to_machine_group, SD_BUS_VTABLE_UNPRIVILEGED), | |
c3350683 LP |
1528 | SD_BUS_SIGNAL("MachineNew", "so", 0), |
1529 | SD_BUS_SIGNAL("MachineRemoved", "so", 0), | |
1530 | SD_BUS_VTABLE_END | |
1531 | }; | |
1ee306e1 | 1532 | |
19070062 | 1533 | int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 1534 | const char *path, *result, *unit; |
1ee306e1 | 1535 | Manager *m = userdata; |
c3350683 LP |
1536 | Machine *machine; |
1537 | uint32_t id; | |
1538 | int r; | |
1ee306e1 | 1539 | |
1ee306e1 | 1540 | assert(message); |
c3350683 | 1541 | assert(m); |
1ee306e1 | 1542 | |
c3350683 LP |
1543 | r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result); |
1544 | if (r < 0) { | |
ebcf1f97 | 1545 | bus_log_parse_error(r); |
65d73cf0 | 1546 | return 0; |
c3350683 | 1547 | } |
6797c324 | 1548 | |
c3350683 LP |
1549 | machine = hashmap_get(m->machine_units, unit); |
1550 | if (!machine) | |
1551 | return 0; | |
6797c324 | 1552 | |
c3350683 | 1553 | if (streq_ptr(path, machine->scope_job)) { |
491ac9f2 | 1554 | machine->scope_job = mfree(machine->scope_job); |
6797c324 | 1555 | |
c3350683 LP |
1556 | if (machine->started) { |
1557 | if (streq(result, "done")) | |
1558 | machine_send_create_reply(machine, NULL); | |
1559 | else { | |
4afd3348 | 1560 | _cleanup_(sd_bus_error_free) sd_bus_error e = SD_BUS_ERROR_NULL; |
6797c324 | 1561 | |
ebcf1f97 | 1562 | sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result); |
6797c324 | 1563 | |
ebcf1f97 | 1564 | machine_send_create_reply(machine, &e); |
c3350683 | 1565 | } |
49f3fffd LP |
1566 | } |
1567 | ||
1568 | machine_save(machine); | |
1ee306e1 LP |
1569 | } |
1570 | ||
c3350683 LP |
1571 | machine_add_to_gc_queue(machine); |
1572 | return 0; | |
1ee306e1 LP |
1573 | } |
1574 | ||
19070062 | 1575 | int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 1576 | _cleanup_free_ char *unit = NULL; |
49f3fffd | 1577 | const char *path; |
c3350683 LP |
1578 | Manager *m = userdata; |
1579 | Machine *machine; | |
ebcf1f97 | 1580 | int r; |
554604b3 | 1581 | |
c3350683 LP |
1582 | assert(message); |
1583 | assert(m); | |
554604b3 | 1584 | |
c3350683 LP |
1585 | path = sd_bus_message_get_path(message); |
1586 | if (!path) | |
554604b3 | 1587 | return 0; |
554604b3 | 1588 | |
ebcf1f97 | 1589 | r = unit_name_from_dbus_path(path, &unit); |
e5f5b5b9 LP |
1590 | if (r == -EINVAL) /* not for a unit */ |
1591 | return 0; | |
9ed794a3 | 1592 | if (r < 0) { |
9b420b3c LP |
1593 | log_oom(); |
1594 | return 0; | |
1595 | } | |
554604b3 | 1596 | |
c3350683 | 1597 | machine = hashmap_get(m->machine_units, unit); |
9b420b3c LP |
1598 | if (!machine) |
1599 | return 0; | |
1600 | ||
9b420b3c | 1601 | machine_add_to_gc_queue(machine); |
c3350683 LP |
1602 | return 0; |
1603 | } | |
554604b3 | 1604 | |
19070062 | 1605 | int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
1606 | const char *path, *unit; |
1607 | Manager *m = userdata; | |
1608 | Machine *machine; | |
1609 | int r; | |
554604b3 | 1610 | |
c3350683 LP |
1611 | assert(message); |
1612 | assert(m); | |
554604b3 | 1613 | |
c3350683 LP |
1614 | r = sd_bus_message_read(message, "so", &unit, &path); |
1615 | if (r < 0) { | |
ebcf1f97 | 1616 | bus_log_parse_error(r); |
9b420b3c | 1617 | return 0; |
554604b3 LP |
1618 | } |
1619 | ||
c3350683 | 1620 | machine = hashmap_get(m->machine_units, unit); |
9b420b3c LP |
1621 | if (!machine) |
1622 | return 0; | |
1623 | ||
9b420b3c | 1624 | machine_add_to_gc_queue(machine); |
c3350683 LP |
1625 | return 0; |
1626 | } | |
554604b3 | 1627 | |
19070062 | 1628 | int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 1629 | Manager *m = userdata; |
a658cafa LP |
1630 | Machine *machine; |
1631 | Iterator i; | |
c3350683 | 1632 | int b, r; |
554604b3 | 1633 | |
19070062 LP |
1634 | assert(message); |
1635 | assert(m); | |
554604b3 | 1636 | |
c3350683 LP |
1637 | r = sd_bus_message_read(message, "b", &b); |
1638 | if (r < 0) { | |
ebcf1f97 | 1639 | bus_log_parse_error(r); |
65d73cf0 | 1640 | return 0; |
554604b3 | 1641 | } |
a658cafa LP |
1642 | if (b) |
1643 | return 0; | |
554604b3 | 1644 | |
a658cafa LP |
1645 | /* systemd finished reloading, let's recheck all our machines */ |
1646 | log_debug("System manager has been reloaded, rechecking machines..."); | |
554604b3 | 1647 | |
a658cafa LP |
1648 | HASHMAP_FOREACH(machine, m->machines, i) |
1649 | machine_add_to_gc_queue(machine); | |
554604b3 LP |
1650 | |
1651 | return 0; | |
1652 | } | |
1653 | ||
1ee306e1 LP |
1654 | int manager_start_scope( |
1655 | Manager *manager, | |
1656 | const char *scope, | |
1657 | pid_t pid, | |
1658 | const char *slice, | |
1659 | const char *description, | |
c3350683 LP |
1660 | sd_bus_message *more_properties, |
1661 | sd_bus_error *error, | |
1ee306e1 LP |
1662 | char **job) { |
1663 | ||
4afd3348 | 1664 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; |
554604b3 | 1665 | int r; |
1ee306e1 LP |
1666 | |
1667 | assert(manager); | |
1668 | assert(scope); | |
1669 | assert(pid > 1); | |
1670 | ||
c3350683 LP |
1671 | r = sd_bus_message_new_method_call( |
1672 | manager->bus, | |
151b9b96 | 1673 | &m, |
1ee306e1 LP |
1674 | "org.freedesktop.systemd1", |
1675 | "/org/freedesktop/systemd1", | |
1676 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 1677 | "StartTransientUnit"); |
c3350683 LP |
1678 | if (r < 0) |
1679 | return r; | |
1ee306e1 | 1680 | |
a658cafa | 1681 | r = sd_bus_message_append(m, "ss", strempty(scope), "fail"); |
c3350683 LP |
1682 | if (r < 0) |
1683 | return r; | |
1ee306e1 | 1684 | |
c3350683 LP |
1685 | r = sd_bus_message_open_container(m, 'a', "(sv)"); |
1686 | if (r < 0) | |
1687 | return r; | |
1ee306e1 LP |
1688 | |
1689 | if (!isempty(slice)) { | |
c3350683 LP |
1690 | r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice); |
1691 | if (r < 0) | |
1692 | return r; | |
1ee306e1 LP |
1693 | } |
1694 | ||
1695 | if (!isempty(description)) { | |
c3350683 LP |
1696 | r = sd_bus_message_append(m, "(sv)", "Description", "s", description); |
1697 | if (r < 0) | |
1698 | return r; | |
1ee306e1 LP |
1699 | } |
1700 | ||
c3350683 LP |
1701 | r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid); |
1702 | if (r < 0) | |
1703 | return r; | |
554604b3 | 1704 | |
a931ad47 LP |
1705 | r = sd_bus_message_append(m, "(sv)", "Delegate", "b", 1); |
1706 | if (r < 0) | |
1707 | return r; | |
1708 | ||
cf7d1a30 | 1709 | r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", UINT64_C(16384)); |
b370fec2 AC |
1710 | if (r < 0) |
1711 | return bus_log_create_error(r); | |
1712 | ||
554604b3 | 1713 | if (more_properties) { |
c3350683 | 1714 | r = sd_bus_message_copy(m, more_properties, true); |
554604b3 LP |
1715 | if (r < 0) |
1716 | return r; | |
1717 | } | |
1718 | ||
c3350683 LP |
1719 | r = sd_bus_message_close_container(m); |
1720 | if (r < 0) | |
1721 | return r; | |
1ee306e1 | 1722 | |
86b8d289 LP |
1723 | r = sd_bus_message_append(m, "a(sa(sv))", 0); |
1724 | if (r < 0) | |
1725 | return r; | |
1726 | ||
c49b30a2 | 1727 | r = sd_bus_call(manager->bus, m, 0, error, &reply); |
c3350683 LP |
1728 | if (r < 0) |
1729 | return r; | |
1ee306e1 LP |
1730 | |
1731 | if (job) { | |
1732 | const char *j; | |
1733 | char *copy; | |
1734 | ||
c3350683 LP |
1735 | r = sd_bus_message_read(reply, "o", &j); |
1736 | if (r < 0) | |
1737 | return r; | |
1ee306e1 LP |
1738 | |
1739 | copy = strdup(j); | |
1740 | if (!copy) | |
1741 | return -ENOMEM; | |
1742 | ||
1743 | *job = copy; | |
1744 | } | |
1745 | ||
c3350683 | 1746 | return 1; |
1ee306e1 LP |
1747 | } |
1748 | ||
c3350683 | 1749 | int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { |
4afd3348 | 1750 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
1ee306e1 LP |
1751 | int r; |
1752 | ||
1753 | assert(manager); | |
1754 | assert(unit); | |
1755 | ||
c3350683 | 1756 | r = sd_bus_call_method( |
1ee306e1 LP |
1757 | manager->bus, |
1758 | "org.freedesktop.systemd1", | |
1759 | "/org/freedesktop/systemd1", | |
1760 | "org.freedesktop.systemd1.Manager", | |
1761 | "StopUnit", | |
1ee306e1 | 1762 | error, |
c3350683 LP |
1763 | &reply, |
1764 | "ss", unit, "fail"); | |
1ee306e1 | 1765 | if (r < 0) { |
c3350683 LP |
1766 | if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) || |
1767 | sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) { | |
6797c324 LP |
1768 | |
1769 | if (job) | |
1770 | *job = NULL; | |
1771 | ||
c3350683 | 1772 | sd_bus_error_free(error); |
6797c324 LP |
1773 | return 0; |
1774 | } | |
1775 | ||
1ee306e1 LP |
1776 | return r; |
1777 | } | |
1778 | ||
1779 | if (job) { | |
1780 | const char *j; | |
1781 | char *copy; | |
1782 | ||
c3350683 LP |
1783 | r = sd_bus_message_read(reply, "o", &j); |
1784 | if (r < 0) | |
1785 | return r; | |
1ee306e1 LP |
1786 | |
1787 | copy = strdup(j); | |
1788 | if (!copy) | |
1789 | return -ENOMEM; | |
1790 | ||
1791 | *job = copy; | |
1792 | } | |
1793 | ||
6797c324 | 1794 | return 1; |
1ee306e1 LP |
1795 | } |
1796 | ||
de58a50e | 1797 | int manager_kill_unit(Manager *manager, const char *unit, int signo, sd_bus_error *error) { |
1ee306e1 LP |
1798 | assert(manager); |
1799 | assert(unit); | |
1800 | ||
a658cafa | 1801 | return sd_bus_call_method( |
1ee306e1 LP |
1802 | manager->bus, |
1803 | "org.freedesktop.systemd1", | |
1804 | "/org/freedesktop/systemd1", | |
1805 | "org.freedesktop.systemd1.Manager", | |
1806 | "KillUnit", | |
1ee306e1 | 1807 | error, |
a658cafa | 1808 | NULL, |
de58a50e | 1809 | "ssi", unit, "all", signo); |
1ee306e1 LP |
1810 | } |
1811 | ||
1812 | int manager_unit_is_active(Manager *manager, const char *unit) { | |
4afd3348 LP |
1813 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
1814 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
1ee306e1 | 1815 | _cleanup_free_ char *path = NULL; |
1ee306e1 | 1816 | const char *state; |
1ee306e1 LP |
1817 | int r; |
1818 | ||
1819 | assert(manager); | |
1820 | assert(unit); | |
1821 | ||
1ee306e1 LP |
1822 | path = unit_dbus_path_from_name(unit); |
1823 | if (!path) | |
1824 | return -ENOMEM; | |
1825 | ||
c3350683 | 1826 | r = sd_bus_get_property( |
1ee306e1 LP |
1827 | manager->bus, |
1828 | "org.freedesktop.systemd1", | |
1829 | path, | |
c3350683 LP |
1830 | "org.freedesktop.systemd1.Unit", |
1831 | "ActiveState", | |
1ee306e1 | 1832 | &error, |
c3350683 LP |
1833 | &reply, |
1834 | "s"); | |
1ee306e1 | 1835 | if (r < 0) { |
c3350683 LP |
1836 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || |
1837 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
6797c324 | 1838 | return true; |
6797c324 | 1839 | |
c3350683 LP |
1840 | if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) || |
1841 | sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED)) | |
6797c324 | 1842 | return false; |
6797c324 | 1843 | |
1ee306e1 LP |
1844 | return r; |
1845 | } | |
1846 | ||
c3350683 LP |
1847 | r = sd_bus_message_read(reply, "s", &state); |
1848 | if (r < 0) | |
1ee306e1 | 1849 | return -EINVAL; |
1ee306e1 | 1850 | |
9b420b3c | 1851 | return !STR_IN_SET(state, "inactive", "failed"); |
1ee306e1 | 1852 | } |
bd16acf3 | 1853 | |
c3350683 | 1854 | int manager_job_is_active(Manager *manager, const char *path) { |
4afd3348 LP |
1855 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
1856 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
c3350683 | 1857 | int r; |
bd16acf3 | 1858 | |
c3350683 LP |
1859 | assert(manager); |
1860 | assert(path); | |
bd16acf3 | 1861 | |
c3350683 LP |
1862 | r = sd_bus_get_property( |
1863 | manager->bus, | |
1864 | "org.freedesktop.systemd1", | |
1865 | path, | |
1866 | "org.freedesktop.systemd1.Job", | |
1867 | "State", | |
1868 | &error, | |
1869 | &reply, | |
1870 | "s"); | |
1871 | if (r < 0) { | |
1872 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || | |
1873 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
1874 | return true; | |
bd16acf3 | 1875 | |
c3350683 LP |
1876 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT)) |
1877 | return false; | |
bd16acf3 | 1878 | |
bd16acf3 | 1879 | return r; |
c3350683 | 1880 | } |
bd16acf3 | 1881 | |
c3350683 LP |
1882 | /* We don't actually care about the state really. The fact |
1883 | * that we could read the job state is enough for us */ | |
bd16acf3 | 1884 | |
c3350683 | 1885 | return true; |
bd16acf3 | 1886 | } |
ab49725f KS |
1887 | |
1888 | int manager_get_machine_by_pid(Manager *m, pid_t pid, Machine **machine) { | |
ab49725f KS |
1889 | Machine *mm; |
1890 | int r; | |
1891 | ||
1892 | assert(m); | |
1893 | assert(pid >= 1); | |
1894 | assert(machine); | |
1895 | ||
4a0b58c4 | 1896 | mm = hashmap_get(m->machine_leaders, PID_TO_PTR(pid)); |
077c8c36 LP |
1897 | if (!mm) { |
1898 | _cleanup_free_ char *unit = NULL; | |
ab49725f | 1899 | |
077c8c36 LP |
1900 | r = cg_pid_get_unit(pid, &unit); |
1901 | if (r >= 0) | |
1902 | mm = hashmap_get(m->machine_units, unit); | |
1903 | } | |
ab49725f KS |
1904 | if (!mm) |
1905 | return 0; | |
1906 | ||
1907 | *machine = mm; | |
1908 | return 1; | |
1909 | } | |
1910 | ||
1911 | int manager_add_machine(Manager *m, const char *name, Machine **_machine) { | |
1912 | Machine *machine; | |
1913 | ||
1914 | assert(m); | |
1915 | assert(name); | |
1916 | ||
1917 | machine = hashmap_get(m->machines, name); | |
1918 | if (!machine) { | |
fbe55073 | 1919 | machine = machine_new(m, _MACHINE_CLASS_INVALID, name); |
ab49725f KS |
1920 | if (!machine) |
1921 | return -ENOMEM; | |
1922 | } | |
1923 | ||
1924 | if (_machine) | |
1925 | *_machine = machine; | |
1926 | ||
1927 | return 0; | |
1928 | } | |
9153b02b LP |
1929 | |
1930 | int bus_reply_pair_array(sd_bus_message *m, char **l) { | |
1931 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
1932 | char **k, **v; | |
1933 | int r; | |
1934 | ||
1935 | r = sd_bus_message_new_method_return(m, &reply); | |
1936 | if (r < 0) | |
1937 | return r; | |
1938 | ||
1939 | r = sd_bus_message_open_container(reply, 'a', "{ss}"); | |
1940 | if (r < 0) | |
1941 | return r; | |
1942 | ||
1943 | STRV_FOREACH_PAIR(k, v, l) { | |
1944 | r = sd_bus_message_append(reply, "{ss}", *k, *v); | |
1945 | if (r < 0) | |
1946 | return r; | |
1947 | } | |
1948 | ||
1949 | r = sd_bus_message_close_container(reply); | |
1950 | if (r < 0) | |
1951 | return r; | |
1952 | ||
1953 | return sd_bus_send(NULL, reply, NULL); | |
1954 | ||
1955 | } |