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Commit | Line | Data |
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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 | |
1ee306e1 LP |
6 | ***/ |
7 | ||
8 | #include <errno.h> | |
9 | #include <string.h> | |
10 | #include <unistd.h> | |
1ee306e1 | 11 | |
c3350683 | 12 | #include "sd-id128.h" |
3ffd4af2 | 13 | |
b5efdb8a | 14 | #include "alloc-util.h" |
3ffd4af2 | 15 | #include "btrfs-util.h" |
96aad8d1 | 16 | #include "bus-common-errors.h" |
3ffd4af2 | 17 | #include "bus-util.h" |
23c80348 | 18 | #include "cgroup-util.h" |
3ffd4af2 | 19 | #include "fd-util.h" |
03c2b288 | 20 | #include "fileio.h" |
f97b34a6 | 21 | #include "format-util.h" |
25300b5a | 22 | #include "hostname-util.h" |
3ffd4af2 | 23 | #include "image-dbus.h" |
a90fb858 | 24 | #include "io-util.h" |
3ffd4af2 | 25 | #include "machine-dbus.h" |
003dffde | 26 | #include "machine-image.h" |
4cee5eed | 27 | #include "machine-pool.h" |
c3350683 | 28 | #include "machined.h" |
3ffd4af2 LP |
29 | #include "path-util.h" |
30 | #include "process-util.h" | |
15a5e950 | 31 | #include "stdio-util.h" |
3ffd4af2 LP |
32 | #include "strv.h" |
33 | #include "unit-name.h" | |
b1d4f8e1 | 34 | #include "user-util.h" |
1ee306e1 | 35 | |
74c308ae | 36 | static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_pool_path, "s", "/var/lib/machines"); |
160e3793 LP |
37 | |
38 | static int property_get_pool_usage( | |
39 | sd_bus *bus, | |
40 | const char *path, | |
41 | const char *interface, | |
42 | const char *property, | |
43 | sd_bus_message *reply, | |
44 | void *userdata, | |
45 | sd_bus_error *error) { | |
46 | ||
47 | _cleanup_close_ int fd = -1; | |
48 | uint64_t usage = (uint64_t) -1; | |
49 | struct stat st; | |
50 | ||
51 | assert(bus); | |
52 | assert(reply); | |
53 | ||
54 | /* We try to read the quota info from /var/lib/machines, as | |
55 | * well as the usage of the loopback file | |
56 | * /var/lib/machines.raw, and pick the larger value. */ | |
57 | ||
58 | fd = open("/var/lib/machines", O_RDONLY|O_CLOEXEC|O_DIRECTORY); | |
59 | if (fd >= 0) { | |
60 | BtrfsQuotaInfo q; | |
61 | ||
5bcd08db | 62 | if (btrfs_subvol_get_subtree_quota_fd(fd, 0, &q) >= 0) |
cb81cd80 | 63 | usage = q.referenced; |
160e3793 LP |
64 | } |
65 | ||
66 | if (stat("/var/lib/machines.raw", &st) >= 0) { | |
67 | if (usage == (uint64_t) -1 || st.st_blocks * 512ULL > usage) | |
68 | usage = st.st_blocks * 512ULL; | |
69 | } | |
70 | ||
71 | return sd_bus_message_append(reply, "t", usage); | |
72 | } | |
73 | ||
74 | static int property_get_pool_limit( | |
75 | sd_bus *bus, | |
76 | const char *path, | |
77 | const char *interface, | |
78 | const char *property, | |
79 | sd_bus_message *reply, | |
80 | void *userdata, | |
81 | sd_bus_error *error) { | |
82 | ||
83 | _cleanup_close_ int fd = -1; | |
84 | uint64_t size = (uint64_t) -1; | |
85 | struct stat st; | |
86 | ||
87 | assert(bus); | |
88 | assert(reply); | |
89 | ||
90 | /* We try to read the quota limit from /var/lib/machines, as | |
91 | * well as the size of the loopback file | |
92 | * /var/lib/machines.raw, and pick the smaller value. */ | |
93 | ||
94 | fd = open("/var/lib/machines", O_RDONLY|O_CLOEXEC|O_DIRECTORY); | |
95 | if (fd >= 0) { | |
96 | BtrfsQuotaInfo q; | |
97 | ||
5bcd08db | 98 | if (btrfs_subvol_get_subtree_quota_fd(fd, 0, &q) >= 0) |
cb81cd80 | 99 | size = q.referenced_max; |
160e3793 LP |
100 | } |
101 | ||
102 | if (stat("/var/lib/machines.raw", &st) >= 0) { | |
103 | if (size == (uint64_t) -1 || (uint64_t) st.st_size < size) | |
104 | size = st.st_size; | |
105 | } | |
106 | ||
107 | return sd_bus_message_append(reply, "t", size); | |
108 | } | |
109 | ||
19070062 | 110 | static int method_get_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
111 | _cleanup_free_ char *p = NULL; |
112 | Manager *m = userdata; | |
113 | Machine *machine; | |
114 | const char *name; | |
115 | int r; | |
116 | ||
c3350683 LP |
117 | assert(message); |
118 | assert(m); | |
119 | ||
120 | r = sd_bus_message_read(message, "s", &name); | |
121 | if (r < 0) | |
ebcf1f97 | 122 | return r; |
c3350683 LP |
123 | |
124 | machine = hashmap_get(m->machines, name); | |
125 | if (!machine) | |
ebcf1f97 | 126 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
c3350683 LP |
127 | |
128 | p = machine_bus_path(machine); | |
129 | if (!p) | |
ebcf1f97 | 130 | return -ENOMEM; |
c3350683 | 131 | |
df2d202e | 132 | return sd_bus_reply_method_return(message, "o", p); |
c3350683 LP |
133 | } |
134 | ||
19070062 | 135 | static int method_get_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c2ce6a3d LP |
136 | _cleanup_free_ char *p = NULL; |
137 | Manager *m = userdata; | |
138 | const char *name; | |
139 | int r; | |
140 | ||
c2ce6a3d LP |
141 | assert(message); |
142 | assert(m); | |
143 | ||
144 | r = sd_bus_message_read(message, "s", &name); | |
145 | if (r < 0) | |
146 | return r; | |
147 | ||
5ef46e5f | 148 | r = image_find(IMAGE_MACHINE, name, NULL); |
3a6ce860 | 149 | if (r == -ENOENT) |
c2ce6a3d LP |
150 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); |
151 | if (r < 0) | |
152 | return r; | |
153 | ||
154 | p = image_bus_path(name); | |
155 | if (!p) | |
156 | return -ENOMEM; | |
157 | ||
158 | return sd_bus_reply_method_return(message, "o", p); | |
159 | } | |
160 | ||
19070062 | 161 | static int method_get_machine_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
162 | _cleanup_free_ char *p = NULL; |
163 | Manager *m = userdata; | |
164 | Machine *machine = NULL; | |
4e724d9c | 165 | pid_t pid; |
c3350683 LP |
166 | int r; |
167 | ||
c3350683 LP |
168 | assert(message); |
169 | assert(m); | |
170 | ||
4e724d9c LP |
171 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
172 | ||
c3350683 LP |
173 | r = sd_bus_message_read(message, "u", &pid); |
174 | if (r < 0) | |
ebcf1f97 | 175 | return r; |
c3350683 | 176 | |
07b38ba5 | 177 | if (pid < 0) |
06820eaf LP |
178 | return -EINVAL; |
179 | ||
4e724d9c | 180 | if (pid == 0) { |
4afd3348 | 181 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
5b12334d LP |
182 | |
183 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
184 | if (r < 0) | |
185 | return r; | |
186 | ||
187 | r = sd_bus_creds_get_pid(creds, &pid); | |
4e724d9c | 188 | if (r < 0) |
ebcf1f97 | 189 | return r; |
4e724d9c LP |
190 | } |
191 | ||
c3350683 LP |
192 | r = manager_get_machine_by_pid(m, pid, &machine); |
193 | if (r < 0) | |
ebcf1f97 | 194 | return r; |
c3350683 | 195 | if (!machine) |
de0671ee | 196 | 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 |
197 | |
198 | p = machine_bus_path(machine); | |
199 | if (!p) | |
ebcf1f97 | 200 | return -ENOMEM; |
c3350683 | 201 | |
df2d202e | 202 | return sd_bus_reply_method_return(message, "o", p); |
c3350683 LP |
203 | } |
204 | ||
19070062 | 205 | static int method_list_machines(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 206 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
c3350683 LP |
207 | Manager *m = userdata; |
208 | Machine *machine; | |
209 | Iterator i; | |
210 | int r; | |
211 | ||
c3350683 LP |
212 | assert(message); |
213 | assert(m); | |
214 | ||
df2d202e | 215 | r = sd_bus_message_new_method_return(message, &reply); |
c3350683 | 216 | if (r < 0) |
ebcf1f97 | 217 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
218 | |
219 | r = sd_bus_message_open_container(reply, 'a', "(ssso)"); | |
220 | if (r < 0) | |
ebcf1f97 | 221 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
222 | |
223 | HASHMAP_FOREACH(machine, m->machines, i) { | |
224 | _cleanup_free_ char *p = NULL; | |
225 | ||
226 | p = machine_bus_path(machine); | |
227 | if (!p) | |
ebcf1f97 | 228 | return -ENOMEM; |
c3350683 LP |
229 | |
230 | r = sd_bus_message_append(reply, "(ssso)", | |
231 | machine->name, | |
232 | strempty(machine_class_to_string(machine->class)), | |
233 | machine->service, | |
234 | p); | |
235 | if (r < 0) | |
ebcf1f97 | 236 | return sd_bus_error_set_errno(error, r); |
c3350683 | 237 | } |
1ee306e1 | 238 | |
c3350683 LP |
239 | r = sd_bus_message_close_container(reply); |
240 | if (r < 0) | |
ebcf1f97 | 241 | return sd_bus_error_set_errno(error, r); |
c3350683 | 242 | |
9030ca46 | 243 | return sd_bus_send(NULL, reply, NULL); |
c3350683 LP |
244 | } |
245 | ||
9b5ed6fe | 246 | static int method_create_or_register_machine(Manager *manager, sd_bus_message *message, bool read_network, Machine **_m, sd_bus_error *error) { |
8aec412f | 247 | const char *name, *service, *class, *root_directory; |
9b5ed6fe | 248 | const int32_t *netif = NULL; |
1ee306e1 LP |
249 | MachineClass c; |
250 | uint32_t leader; | |
251 | sd_id128_t id; | |
c3350683 | 252 | const void *v; |
1ee306e1 | 253 | Machine *m; |
9b5ed6fe | 254 | size_t n, n_netif = 0; |
c3350683 | 255 | int r; |
1ee306e1 | 256 | |
c3350683 | 257 | assert(manager); |
89f7c846 LP |
258 | assert(message); |
259 | assert(_m); | |
1ee306e1 | 260 | |
c3350683 LP |
261 | r = sd_bus_message_read(message, "s", &name); |
262 | if (r < 0) | |
ebcf1f97 | 263 | return r; |
7f0d207d | 264 | if (!machine_name_is_valid(name)) |
ebcf1f97 | 265 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine name"); |
1ee306e1 | 266 | |
c3350683 LP |
267 | r = sd_bus_message_read_array(message, 'y', &v, &n); |
268 | if (r < 0) | |
ebcf1f97 | 269 | return r; |
1ee306e1 LP |
270 | if (n == 0) |
271 | id = SD_ID128_NULL; | |
272 | else if (n == 16) | |
273 | memcpy(&id, v, n); | |
274 | else | |
ebcf1f97 | 275 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine ID parameter"); |
1ee306e1 | 276 | |
c3350683 LP |
277 | r = sd_bus_message_read(message, "ssus", &service, &class, &leader, &root_directory); |
278 | if (r < 0) | |
ebcf1f97 | 279 | return r; |
1ee306e1 | 280 | |
9b5ed6fe LP |
281 | if (read_network) { |
282 | size_t i; | |
283 | ||
284 | r = sd_bus_message_read_array(message, 'i', (const void**) &netif, &n_netif); | |
285 | if (r < 0) | |
286 | return r; | |
287 | ||
288 | n_netif /= sizeof(int32_t); | |
289 | ||
290 | for (i = 0; i < n_netif; i++) { | |
291 | if (netif[i] <= 0) | |
292 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid network interface index %i", netif[i]); | |
293 | } | |
294 | } | |
295 | ||
1ee306e1 LP |
296 | if (isempty(class)) |
297 | c = _MACHINE_CLASS_INVALID; | |
298 | else { | |
299 | c = machine_class_from_string(class); | |
300 | if (c < 0) | |
ebcf1f97 | 301 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine class parameter"); |
1ee306e1 LP |
302 | } |
303 | ||
c3350683 | 304 | if (leader == 1) |
ebcf1f97 | 305 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID"); |
1ee306e1 | 306 | |
c3350683 | 307 | if (!isempty(root_directory) && !path_is_absolute(root_directory)) |
ebcf1f97 | 308 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Root directory must be empty or an absolute path"); |
1ee306e1 | 309 | |
c3350683 | 310 | if (leader == 0) { |
4afd3348 | 311 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
5b12334d LP |
312 | |
313 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
314 | if (r < 0) | |
315 | return r; | |
316 | ||
c3350683 | 317 | assert_cc(sizeof(uint32_t) == sizeof(pid_t)); |
554604b3 | 318 | |
5b12334d | 319 | r = sd_bus_creds_get_pid(creds, (pid_t*) &leader); |
c3350683 | 320 | if (r < 0) |
ebcf1f97 | 321 | return r; |
c3350683 | 322 | } |
554604b3 | 323 | |
1ee306e1 | 324 | if (hashmap_get(manager->machines, name)) |
ebcf1f97 | 325 | return sd_bus_error_setf(error, BUS_ERROR_MACHINE_EXISTS, "Machine '%s' already exists", name); |
1ee306e1 LP |
326 | |
327 | r = manager_add_machine(manager, name, &m); | |
328 | if (r < 0) | |
ebcf1f97 | 329 | return r; |
1ee306e1 LP |
330 | |
331 | m->leader = leader; | |
332 | m->class = c; | |
333 | m->id = id; | |
334 | ||
335 | if (!isempty(service)) { | |
336 | m->service = strdup(service); | |
337 | if (!m->service) { | |
ebcf1f97 | 338 | r = -ENOMEM; |
1ee306e1 LP |
339 | goto fail; |
340 | } | |
341 | } | |
342 | ||
343 | if (!isempty(root_directory)) { | |
344 | m->root_directory = strdup(root_directory); | |
345 | if (!m->root_directory) { | |
ebcf1f97 | 346 | r = -ENOMEM; |
1ee306e1 LP |
347 | goto fail; |
348 | } | |
349 | } | |
350 | ||
9b5ed6fe LP |
351 | if (n_netif > 0) { |
352 | assert_cc(sizeof(int32_t) == sizeof(int)); | |
353 | m->netif = memdup(netif, sizeof(int32_t) * n_netif); | |
354 | if (!m->netif) { | |
355 | r = -ENOMEM; | |
356 | goto fail; | |
357 | } | |
358 | ||
359 | m->n_netif = n_netif; | |
360 | } | |
361 | ||
89f7c846 LP |
362 | *_m = m; |
363 | ||
364 | return 1; | |
365 | ||
366 | fail: | |
367 | machine_add_to_gc_queue(m); | |
368 | return r; | |
369 | } | |
370 | ||
19070062 | 371 | static int method_create_machine_internal(sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) { |
89f7c846 LP |
372 | Manager *manager = userdata; |
373 | Machine *m = NULL; | |
374 | int r; | |
375 | ||
19070062 LP |
376 | assert(message); |
377 | assert(manager); | |
378 | ||
9b5ed6fe | 379 | r = method_create_or_register_machine(manager, message, read_network, &m, error); |
89f7c846 LP |
380 | if (r < 0) |
381 | return r; | |
382 | ||
383 | r = sd_bus_message_enter_container(message, 'a', "(sv)"); | |
384 | if (r < 0) | |
385 | goto fail; | |
386 | ||
ebcf1f97 LP |
387 | r = machine_start(m, message, error); |
388 | if (r < 0) | |
1ee306e1 LP |
389 | goto fail; |
390 | ||
c3350683 | 391 | m->create_message = sd_bus_message_ref(message); |
c3350683 | 392 | return 1; |
1ee306e1 LP |
393 | |
394 | fail: | |
a3e7f417 | 395 | machine_add_to_gc_queue(m); |
89f7c846 LP |
396 | return r; |
397 | } | |
1ee306e1 | 398 | |
19070062 LP |
399 | static int method_create_machine_with_network(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
400 | return method_create_machine_internal(message, true, userdata, error); | |
9b5ed6fe LP |
401 | } |
402 | ||
19070062 LP |
403 | static int method_create_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
404 | return method_create_machine_internal(message, false, userdata, error); | |
9b5ed6fe LP |
405 | } |
406 | ||
19070062 | 407 | static int method_register_machine_internal(sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) { |
89f7c846 LP |
408 | Manager *manager = userdata; |
409 | _cleanup_free_ char *p = NULL; | |
410 | Machine *m = NULL; | |
411 | int r; | |
412 | ||
19070062 LP |
413 | assert(message); |
414 | assert(manager); | |
415 | ||
9b5ed6fe | 416 | r = method_create_or_register_machine(manager, message, read_network, &m, error); |
89f7c846 LP |
417 | if (r < 0) |
418 | return r; | |
419 | ||
420 | r = cg_pid_get_unit(m->leader, &m->unit); | |
421 | if (r < 0) { | |
048c386e ZJS |
422 | r = sd_bus_error_set_errnof(error, r, |
423 | "Failed to determine unit of process "PID_FMT" : %m", | |
424 | m->leader); | |
89f7c846 LP |
425 | goto fail; |
426 | } | |
427 | ||
428 | r = machine_start(m, NULL, error); | |
429 | if (r < 0) | |
430 | goto fail; | |
431 | ||
432 | p = machine_bus_path(m); | |
433 | if (!p) { | |
434 | r = -ENOMEM; | |
435 | goto fail; | |
436 | } | |
437 | ||
438 | return sd_bus_reply_method_return(message, "o", p); | |
439 | ||
440 | fail: | |
441 | machine_add_to_gc_queue(m); | |
1ee306e1 LP |
442 | return r; |
443 | } | |
444 | ||
19070062 LP |
445 | static int method_register_machine_with_network(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
446 | return method_register_machine_internal(message, true, userdata, error); | |
9b5ed6fe LP |
447 | } |
448 | ||
19070062 LP |
449 | static int method_register_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
450 | return method_register_machine_internal(message, false, userdata, error); | |
9b5ed6fe LP |
451 | } |
452 | ||
19070062 | 453 | static int method_terminate_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1ee306e1 | 454 | Manager *m = userdata; |
c3350683 LP |
455 | Machine *machine; |
456 | const char *name; | |
1ee306e1 LP |
457 | int r; |
458 | ||
1ee306e1 LP |
459 | assert(message); |
460 | assert(m); | |
461 | ||
c3350683 LP |
462 | r = sd_bus_message_read(message, "s", &name); |
463 | if (r < 0) | |
ebcf1f97 | 464 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 465 | |
c3350683 LP |
466 | machine = hashmap_get(m->machines, name); |
467 | if (!machine) | |
ebcf1f97 | 468 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
1ee306e1 | 469 | |
19070062 | 470 | return bus_machine_method_terminate(message, machine, error); |
c3350683 | 471 | } |
1ee306e1 | 472 | |
19070062 | 473 | static int method_kill_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
474 | Manager *m = userdata; |
475 | Machine *machine; | |
476 | const char *name; | |
c3350683 | 477 | int r; |
1ee306e1 | 478 | |
c3350683 LP |
479 | assert(message); |
480 | assert(m); | |
1ee306e1 | 481 | |
878cd7e9 | 482 | r = sd_bus_message_read(message, "s", &name); |
c3350683 | 483 | if (r < 0) |
ebcf1f97 | 484 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 485 | |
c3350683 LP |
486 | machine = hashmap_get(m->machines, name); |
487 | if (!machine) | |
ebcf1f97 | 488 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
1ee306e1 | 489 | |
19070062 | 490 | return bus_machine_method_kill(message, machine, error); |
878cd7e9 LP |
491 | } |
492 | ||
19070062 | 493 | static int method_get_machine_addresses(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
878cd7e9 LP |
494 | Manager *m = userdata; |
495 | Machine *machine; | |
496 | const char *name; | |
497 | int r; | |
498 | ||
878cd7e9 LP |
499 | assert(message); |
500 | assert(m); | |
501 | ||
502 | r = sd_bus_message_read(message, "s", &name); | |
c3350683 | 503 | if (r < 0) |
ebcf1f97 | 504 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 505 | |
878cd7e9 LP |
506 | machine = hashmap_get(m->machines, name); |
507 | if (!machine) | |
508 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
509 | ||
19070062 | 510 | return bus_machine_method_get_addresses(message, machine, error); |
c3350683 | 511 | } |
1ee306e1 | 512 | |
19070062 | 513 | static int method_get_machine_os_release(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
717603e3 LP |
514 | Manager *m = userdata; |
515 | Machine *machine; | |
516 | const char *name; | |
517 | int r; | |
518 | ||
717603e3 LP |
519 | assert(message); |
520 | assert(m); | |
521 | ||
522 | r = sd_bus_message_read(message, "s", &name); | |
523 | if (r < 0) | |
524 | return sd_bus_error_set_errno(error, r); | |
525 | ||
526 | machine = hashmap_get(m->machines, name); | |
527 | if (!machine) | |
528 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
529 | ||
19070062 | 530 | return bus_machine_method_get_os_release(message, machine, error); |
717603e3 LP |
531 | } |
532 | ||
19070062 | 533 | static int method_list_images(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 534 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cd61c3bf LP |
535 | _cleanup_(image_hashmap_freep) Hashmap *images = NULL; |
536 | Manager *m = userdata; | |
537 | Image *image; | |
538 | Iterator i; | |
539 | int r; | |
540 | ||
cd61c3bf LP |
541 | assert(message); |
542 | assert(m); | |
543 | ||
544 | images = hashmap_new(&string_hash_ops); | |
545 | if (!images) | |
546 | return -ENOMEM; | |
547 | ||
5ef46e5f | 548 | r = image_discover(IMAGE_MACHINE, images); |
cd61c3bf LP |
549 | if (r < 0) |
550 | return r; | |
551 | ||
552 | r = sd_bus_message_new_method_return(message, &reply); | |
553 | if (r < 0) | |
554 | return r; | |
555 | ||
b6b18498 | 556 | r = sd_bus_message_open_container(reply, 'a', "(ssbttto)"); |
cd61c3bf LP |
557 | if (r < 0) |
558 | return r; | |
559 | ||
560 | HASHMAP_FOREACH(image, images, i) { | |
561 | _cleanup_free_ char *p = NULL; | |
562 | ||
563 | p = image_bus_path(image->name); | |
564 | if (!p) | |
565 | return -ENOMEM; | |
566 | ||
b6b18498 | 567 | r = sd_bus_message_append(reply, "(ssbttto)", |
cd61c3bf LP |
568 | image->name, |
569 | image_type_to_string(image->type), | |
570 | image->read_only, | |
10f9c755 LP |
571 | image->crtime, |
572 | image->mtime, | |
c19de711 | 573 | image->usage, |
cd61c3bf LP |
574 | p); |
575 | if (r < 0) | |
576 | return r; | |
577 | } | |
578 | ||
579 | r = sd_bus_message_close_container(reply); | |
580 | if (r < 0) | |
581 | return r; | |
582 | ||
9030ca46 | 583 | return sd_bus_send(NULL, reply, NULL); |
cd61c3bf LP |
584 | } |
585 | ||
19070062 | 586 | static int method_open_machine_pty(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
40205d70 LP |
587 | Manager *m = userdata; |
588 | Machine *machine; | |
589 | const char *name; | |
590 | int r; | |
591 | ||
40205d70 LP |
592 | assert(message); |
593 | assert(m); | |
594 | ||
595 | r = sd_bus_message_read(message, "s", &name); | |
596 | if (r < 0) | |
597 | return sd_bus_error_set_errno(error, r); | |
598 | ||
599 | machine = hashmap_get(m->machines, name); | |
600 | if (!machine) | |
601 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
602 | ||
19070062 | 603 | return bus_machine_method_open_pty(message, machine, error); |
40205d70 LP |
604 | } |
605 | ||
19070062 | 606 | static int method_open_machine_login(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
5f8cc96a LP |
607 | Manager *m = userdata; |
608 | Machine *machine; | |
609 | const char *name; | |
610 | int r; | |
611 | ||
5f8cc96a LP |
612 | assert(message); |
613 | assert(m); | |
614 | ||
615 | r = sd_bus_message_read(message, "s", &name); | |
616 | if (r < 0) | |
08682124 | 617 | return r; |
5f8cc96a LP |
618 | |
619 | machine = hashmap_get(m->machines, name); | |
620 | if (!machine) | |
621 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
622 | ||
19070062 | 623 | return bus_machine_method_open_login(message, machine, error); |
5f8cc96a LP |
624 | } |
625 | ||
49af9e13 LP |
626 | static int method_open_machine_shell(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
627 | Manager *m = userdata; | |
628 | Machine *machine; | |
629 | const char *name; | |
630 | ||
631 | int r; | |
632 | ||
633 | assert(message); | |
634 | assert(m); | |
635 | ||
636 | r = sd_bus_message_read(message, "s", &name); | |
637 | if (r < 0) | |
638 | return r; | |
639 | ||
640 | machine = hashmap_get(m->machines, name); | |
641 | if (!machine) | |
642 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
643 | ||
644 | return bus_machine_method_open_shell(message, machine, error); | |
645 | } | |
646 | ||
19070062 | 647 | static int method_bind_mount_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
90adaa25 LP |
648 | Manager *m = userdata; |
649 | Machine *machine; | |
650 | const char *name; | |
651 | int r; | |
652 | ||
90adaa25 LP |
653 | assert(message); |
654 | assert(m); | |
655 | ||
656 | r = sd_bus_message_read(message, "s", &name); | |
657 | if (r < 0) | |
658 | return r; | |
659 | ||
660 | machine = hashmap_get(m->machines, name); | |
661 | if (!machine) | |
662 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
663 | ||
19070062 | 664 | return bus_machine_method_bind_mount(message, machine, error); |
90adaa25 LP |
665 | } |
666 | ||
19070062 | 667 | static int method_copy_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
0370612e LP |
668 | Manager *m = userdata; |
669 | Machine *machine; | |
670 | const char *name; | |
671 | int r; | |
672 | ||
0370612e LP |
673 | assert(message); |
674 | assert(m); | |
675 | ||
676 | r = sd_bus_message_read(message, "s", &name); | |
677 | if (r < 0) | |
678 | return r; | |
679 | ||
680 | machine = hashmap_get(m->machines, name); | |
681 | if (!machine) | |
682 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
683 | ||
19070062 | 684 | return bus_machine_method_copy(message, machine, error); |
0370612e LP |
685 | } |
686 | ||
ae203207 LP |
687 | static int method_open_machine_root_directory(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
688 | Manager *m = userdata; | |
689 | Machine *machine; | |
690 | const char *name; | |
691 | int r; | |
692 | ||
693 | assert(message); | |
694 | assert(m); | |
695 | ||
696 | r = sd_bus_message_read(message, "s", &name); | |
697 | if (r < 0) | |
698 | return r; | |
699 | ||
700 | machine = hashmap_get(m->machines, name); | |
701 | if (!machine) | |
702 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
703 | ||
704 | return bus_machine_method_open_root_directory(message, machine, error); | |
705 | } | |
706 | ||
3401419b LP |
707 | static int method_get_machine_uid_shift(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
708 | Manager *m = userdata; | |
709 | Machine *machine; | |
710 | const char *name; | |
711 | int r; | |
712 | ||
713 | assert(message); | |
714 | assert(m); | |
715 | ||
716 | r = sd_bus_message_read(message, "s", &name); | |
717 | if (r < 0) | |
718 | return r; | |
719 | ||
720 | machine = hashmap_get(m->machines, name); | |
721 | if (!machine) | |
722 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
723 | ||
724 | return bus_machine_method_get_uid_shift(message, machine, error); | |
725 | } | |
726 | ||
19070062 | 727 | static int method_remove_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
08682124 LP |
728 | _cleanup_(image_unrefp) Image* i = NULL; |
729 | const char *name; | |
730 | int r; | |
731 | ||
08682124 LP |
732 | assert(message); |
733 | ||
734 | r = sd_bus_message_read(message, "s", &name); | |
735 | if (r < 0) | |
736 | return r; | |
737 | ||
738 | if (!image_name_is_valid(name)) | |
739 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
740 | ||
5ef46e5f | 741 | r = image_find(IMAGE_MACHINE, name, &i); |
3a6ce860 LP |
742 | if (r == -ENOENT) |
743 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
08682124 LP |
744 | if (r < 0) |
745 | return r; | |
08682124 | 746 | |
70244d1d | 747 | i->userdata = userdata; |
19070062 | 748 | return bus_image_method_remove(message, i, error); |
08682124 LP |
749 | } |
750 | ||
19070062 | 751 | static int method_rename_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
ebd93cb6 | 752 | _cleanup_(image_unrefp) Image* i = NULL; |
1ddb263d | 753 | const char *old_name; |
ebd93cb6 LP |
754 | int r; |
755 | ||
ebd93cb6 LP |
756 | assert(message); |
757 | ||
1ddb263d | 758 | r = sd_bus_message_read(message, "s", &old_name); |
ebd93cb6 LP |
759 | if (r < 0) |
760 | return r; | |
761 | ||
762 | if (!image_name_is_valid(old_name)) | |
763 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", old_name); | |
ebd93cb6 | 764 | |
5ef46e5f | 765 | r = image_find(IMAGE_MACHINE, old_name, &i); |
3a6ce860 LP |
766 | if (r == -ENOENT) |
767 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", old_name); | |
ebd93cb6 LP |
768 | if (r < 0) |
769 | return r; | |
ebd93cb6 | 770 | |
70244d1d | 771 | i->userdata = userdata; |
19070062 | 772 | return bus_image_method_rename(message, i, error); |
ebd93cb6 LP |
773 | } |
774 | ||
19070062 | 775 | static int method_clone_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
ebd93cb6 | 776 | _cleanup_(image_unrefp) Image *i = NULL; |
1ddb263d LP |
777 | const char *old_name; |
778 | int r; | |
ebd93cb6 | 779 | |
19070062 LP |
780 | assert(message); |
781 | ||
1ddb263d | 782 | r = sd_bus_message_read(message, "s", &old_name); |
ebd93cb6 LP |
783 | if (r < 0) |
784 | return r; | |
785 | ||
786 | if (!image_name_is_valid(old_name)) | |
787 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", old_name); | |
ebd93cb6 | 788 | |
5ef46e5f | 789 | r = image_find(IMAGE_MACHINE, old_name, &i); |
3a6ce860 LP |
790 | if (r == -ENOENT) |
791 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", old_name); | |
ebd93cb6 LP |
792 | if (r < 0) |
793 | return r; | |
ebd93cb6 | 794 | |
70244d1d | 795 | i->userdata = userdata; |
19070062 | 796 | return bus_image_method_clone(message, i, error); |
ebd93cb6 LP |
797 | } |
798 | ||
19070062 | 799 | static int method_mark_image_read_only(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
ebd93cb6 LP |
800 | _cleanup_(image_unrefp) Image *i = NULL; |
801 | const char *name; | |
1ddb263d | 802 | int r; |
ebd93cb6 | 803 | |
19070062 LP |
804 | assert(message); |
805 | ||
1ddb263d | 806 | r = sd_bus_message_read(message, "s", &name); |
ebd93cb6 LP |
807 | if (r < 0) |
808 | return r; | |
809 | ||
810 | if (!image_name_is_valid(name)) | |
811 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
812 | ||
5ef46e5f | 813 | r = image_find(IMAGE_MACHINE, name, &i); |
3a6ce860 LP |
814 | if (r == -ENOENT) |
815 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
ebd93cb6 LP |
816 | if (r < 0) |
817 | return r; | |
ebd93cb6 | 818 | |
70244d1d | 819 | i->userdata = userdata; |
19070062 | 820 | return bus_image_method_mark_read_only(message, i, error); |
ebd93cb6 LP |
821 | } |
822 | ||
cf30a8c1 LP |
823 | static int method_get_image_hostname(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
824 | _cleanup_(image_unrefp) Image *i = NULL; | |
825 | const char *name; | |
826 | int r; | |
827 | ||
828 | assert(message); | |
829 | ||
830 | r = sd_bus_message_read(message, "s", &name); | |
831 | if (r < 0) | |
832 | return r; | |
833 | ||
834 | if (!image_name_is_valid(name)) | |
835 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
836 | ||
5ef46e5f | 837 | r = image_find(IMAGE_MACHINE, name, &i); |
3a6ce860 LP |
838 | if (r == -ENOENT) |
839 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
cf30a8c1 LP |
840 | if (r < 0) |
841 | return r; | |
cf30a8c1 LP |
842 | |
843 | i->userdata = userdata; | |
844 | return bus_image_method_get_hostname(message, i, error); | |
845 | } | |
846 | ||
847 | static int method_get_image_machine_id(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
848 | _cleanup_(image_unrefp) Image *i = NULL; | |
849 | const char *name; | |
850 | int r; | |
851 | ||
852 | assert(message); | |
853 | ||
854 | r = sd_bus_message_read(message, "s", &name); | |
855 | if (r < 0) | |
856 | return r; | |
857 | ||
858 | if (!image_name_is_valid(name)) | |
859 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
860 | ||
5ef46e5f | 861 | r = image_find(IMAGE_MACHINE, name, &i); |
3a6ce860 LP |
862 | if (r == -ENOENT) |
863 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
cf30a8c1 LP |
864 | if (r < 0) |
865 | return r; | |
cf30a8c1 LP |
866 | |
867 | i->userdata = userdata; | |
868 | return bus_image_method_get_machine_id(message, i, error); | |
869 | } | |
870 | ||
871 | static int method_get_image_machine_info(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
872 | _cleanup_(image_unrefp) Image *i = NULL; | |
873 | const char *name; | |
874 | int r; | |
875 | ||
876 | assert(message); | |
877 | ||
878 | r = sd_bus_message_read(message, "s", &name); | |
879 | if (r < 0) | |
880 | return r; | |
881 | ||
882 | if (!image_name_is_valid(name)) | |
883 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
884 | ||
5ef46e5f | 885 | r = image_find(IMAGE_MACHINE, name, &i); |
3a6ce860 LP |
886 | if (r == -ENOENT) |
887 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
cf30a8c1 LP |
888 | if (r < 0) |
889 | return r; | |
cf30a8c1 LP |
890 | |
891 | i->userdata = userdata; | |
892 | return bus_image_method_get_machine_info(message, i, error); | |
893 | } | |
894 | ||
9153b02b LP |
895 | static int method_get_image_os_release(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
896 | _cleanup_(image_unrefp) Image *i = NULL; | |
897 | const char *name; | |
898 | int r; | |
899 | ||
900 | assert(message); | |
901 | ||
902 | r = sd_bus_message_read(message, "s", &name); | |
903 | if (r < 0) | |
904 | return r; | |
905 | ||
906 | if (!image_name_is_valid(name)) | |
907 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
908 | ||
5ef46e5f | 909 | r = image_find(IMAGE_MACHINE, name, &i); |
3a6ce860 LP |
910 | if (r == -ENOENT) |
911 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
9153b02b LP |
912 | if (r < 0) |
913 | return r; | |
9153b02b LP |
914 | |
915 | i->userdata = userdata; | |
916 | return bus_image_method_get_os_release(message, i, error); | |
917 | } | |
918 | ||
03c2b288 LP |
919 | static int clean_pool_done(Operation *operation, int ret, sd_bus_error *error) { |
920 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
921 | _cleanup_fclose_ FILE *f = NULL; | |
922 | bool success; | |
923 | size_t n; | |
924 | int r; | |
925 | ||
926 | assert(operation); | |
927 | assert(operation->extra_fd >= 0); | |
928 | ||
929 | if (lseek(operation->extra_fd, 0, SEEK_SET) == (off_t) -1) | |
930 | return -errno; | |
931 | ||
932 | f = fdopen(operation->extra_fd, "re"); | |
933 | if (!f) | |
934 | return -errno; | |
935 | ||
936 | operation->extra_fd = -1; | |
937 | ||
938 | /* The resulting temporary file starts with a boolean value that indicates success or not. */ | |
939 | errno = 0; | |
940 | n = fread(&success, 1, sizeof(success), f); | |
941 | if (n != sizeof(success)) | |
942 | return ret < 0 ? ret : (errno != 0 ? -errno : -EIO); | |
943 | ||
944 | if (ret < 0) { | |
945 | _cleanup_free_ char *name = NULL; | |
946 | ||
947 | /* The clean-up operation failed. In this case the resulting temporary file should contain a boolean | |
948 | * set to false followed by the name of the failed image. Let's try to read this and use it for the | |
949 | * error message. If we can't read it, don't mind, and return the naked error. */ | |
950 | ||
951 | if (success) /* The resulting temporary file could not be updated, ignore it. */ | |
952 | return ret; | |
953 | ||
954 | r = read_nul_string(f, &name); | |
955 | if (r < 0 || isempty(name)) /* Same here... */ | |
956 | return ret; | |
957 | ||
958 | return sd_bus_error_set_errnof(error, ret, "Failed to remove image %s: %m", name); | |
959 | } | |
960 | ||
961 | assert(success); | |
962 | ||
963 | r = sd_bus_message_new_method_return(operation->message, &reply); | |
964 | if (r < 0) | |
965 | return r; | |
966 | ||
967 | r = sd_bus_message_open_container(reply, 'a', "(st)"); | |
968 | if (r < 0) | |
969 | return r; | |
970 | ||
971 | /* On success the resulting temporary file will contain a list of image names that were removed followed by | |
972 | * their size on disk. Let's read that and turn it into a bus message. */ | |
973 | for (;;) { | |
974 | _cleanup_free_ char *name = NULL; | |
975 | uint64_t size; | |
976 | ||
977 | r = read_nul_string(f, &name); | |
978 | if (r < 0) | |
979 | return r; | |
980 | if (isempty(name)) /* reached the end */ | |
981 | break; | |
982 | ||
983 | errno = 0; | |
984 | n = fread(&size, 1, sizeof(size), f); | |
985 | if (n != sizeof(size)) | |
986 | return errno != 0 ? -errno : -EIO; | |
987 | ||
988 | r = sd_bus_message_append(reply, "(st)", name, size); | |
989 | if (r < 0) | |
990 | return r; | |
991 | } | |
992 | ||
993 | r = sd_bus_message_close_container(reply); | |
994 | if (r < 0) | |
995 | return r; | |
996 | ||
997 | return sd_bus_send(NULL, reply, NULL); | |
998 | } | |
999 | ||
d94c2b06 LP |
1000 | static int method_clean_pool(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1001 | enum { | |
1002 | REMOVE_ALL, | |
1003 | REMOVE_HIDDEN, | |
1004 | } mode; | |
1005 | ||
03c2b288 LP |
1006 | _cleanup_close_pair_ int errno_pipe_fd[2] = { -1, -1 }; |
1007 | _cleanup_close_ int result_fd = -1; | |
d94c2b06 | 1008 | Manager *m = userdata; |
03c2b288 | 1009 | Operation *operation; |
d94c2b06 | 1010 | const char *mm; |
03c2b288 | 1011 | pid_t child; |
d94c2b06 LP |
1012 | int r; |
1013 | ||
1014 | assert(message); | |
1015 | ||
03c2b288 LP |
1016 | if (m->n_operations >= OPERATIONS_MAX) |
1017 | return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Too many ongoing operations."); | |
1018 | ||
d94c2b06 LP |
1019 | r = sd_bus_message_read(message, "s", &mm); |
1020 | if (r < 0) | |
1021 | return r; | |
1022 | ||
1023 | if (streq(mm, "all")) | |
1024 | mode = REMOVE_ALL; | |
1025 | else if (streq(mm, "hidden")) | |
1026 | mode = REMOVE_HIDDEN; | |
1027 | else | |
1028 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown mode '%s'.", mm); | |
1029 | ||
1030 | r = bus_verify_polkit_async( | |
1031 | message, | |
1032 | CAP_SYS_ADMIN, | |
1033 | "org.freedesktop.machine1.manage-machines", | |
1034 | NULL, | |
1035 | false, | |
1036 | UID_INVALID, | |
1037 | &m->polkit_registry, | |
1038 | error); | |
1039 | if (r < 0) | |
1040 | return r; | |
1041 | if (r == 0) | |
1042 | return 1; /* Will call us back */ | |
1043 | ||
03c2b288 LP |
1044 | if (pipe2(errno_pipe_fd, O_CLOEXEC|O_NONBLOCK) < 0) |
1045 | return sd_bus_error_set_errnof(error, errno, "Failed to create pipe: %m"); | |
d94c2b06 | 1046 | |
03c2b288 LP |
1047 | /* Create a temporary file we can dump information about deleted images into. We use a temporary file for this |
1048 | * instead of a pipe or so, since this might grow quit large in theory and we don't want to process this | |
595bfe7d | 1049 | * continuously */ |
992e8f22 | 1050 | result_fd = open_tmpfile_unlinkable(NULL, O_RDWR|O_CLOEXEC); |
03c2b288 LP |
1051 | if (result_fd < 0) |
1052 | return -errno; | |
d94c2b06 | 1053 | |
03c2b288 | 1054 | /* This might be a slow operation, run it asynchronously in a background process */ |
4c253ed1 LP |
1055 | r = safe_fork("(sd-clean)", FORK_RESET_SIGNALS, &child); |
1056 | if (r < 0) | |
1057 | return sd_bus_error_set_errnof(error, r, "Failed to fork(): %m"); | |
1058 | if (r == 0) { | |
03c2b288 LP |
1059 | _cleanup_(image_hashmap_freep) Hashmap *images = NULL; |
1060 | bool success = true; | |
1061 | Image *image; | |
1062 | Iterator i; | |
1063 | ssize_t l; | |
d94c2b06 | 1064 | |
03c2b288 | 1065 | errno_pipe_fd[0] = safe_close(errno_pipe_fd[0]); |
d94c2b06 | 1066 | |
03c2b288 LP |
1067 | images = hashmap_new(&string_hash_ops); |
1068 | if (!images) { | |
1069 | r = -ENOMEM; | |
1070 | goto child_fail; | |
1071 | } | |
d94c2b06 | 1072 | |
5ef46e5f | 1073 | r = image_discover(IMAGE_MACHINE, images); |
03c2b288 LP |
1074 | if (r < 0) |
1075 | goto child_fail; | |
d94c2b06 | 1076 | |
03c2b288 LP |
1077 | l = write(result_fd, &success, sizeof(success)); |
1078 | if (l < 0) { | |
1079 | r = -errno; | |
1080 | goto child_fail; | |
1081 | } | |
d94c2b06 | 1082 | |
03c2b288 LP |
1083 | HASHMAP_FOREACH(image, images, i) { |
1084 | ||
1085 | /* We can't remove vendor images (i.e. those in /usr) */ | |
1086 | if (IMAGE_IS_VENDOR(image)) | |
1087 | continue; | |
1088 | ||
1089 | if (IMAGE_IS_HOST(image)) | |
1090 | continue; | |
1091 | ||
1092 | if (mode == REMOVE_HIDDEN && !IMAGE_IS_HIDDEN(image)) | |
1093 | continue; | |
1094 | ||
1095 | r = image_remove(image); | |
1096 | if (r == -EBUSY) /* keep images that are currently being used. */ | |
1097 | continue; | |
1098 | if (r < 0) { | |
1099 | /* If the operation failed, let's override everything we wrote, and instead write there at which image we failed. */ | |
1100 | success = false; | |
1101 | (void) ftruncate(result_fd, 0); | |
1102 | (void) lseek(result_fd, 0, SEEK_SET); | |
1103 | (void) write(result_fd, &success, sizeof(success)); | |
1104 | (void) write(result_fd, image->name, strlen(image->name)+1); | |
1105 | goto child_fail; | |
1106 | } | |
1107 | ||
1108 | l = write(result_fd, image->name, strlen(image->name)+1); | |
1109 | if (l < 0) { | |
1110 | r = -errno; | |
1111 | goto child_fail; | |
1112 | } | |
1113 | ||
1114 | l = write(result_fd, &image->usage_exclusive, sizeof(image->usage_exclusive)); | |
1115 | if (l < 0) { | |
1116 | r = -errno; | |
1117 | goto child_fail; | |
1118 | } | |
1119 | } | |
d94c2b06 | 1120 | |
03c2b288 LP |
1121 | result_fd = safe_close(result_fd); |
1122 | _exit(EXIT_SUCCESS); | |
1123 | ||
1124 | child_fail: | |
1125 | (void) write(errno_pipe_fd[1], &r, sizeof(r)); | |
1126 | _exit(EXIT_FAILURE); | |
d94c2b06 LP |
1127 | } |
1128 | ||
03c2b288 LP |
1129 | errno_pipe_fd[1] = safe_close(errno_pipe_fd[1]); |
1130 | ||
1131 | /* The clean-up might take a while, hence install a watch on the child and return */ | |
1132 | ||
1133 | r = operation_new(m, NULL, child, message, errno_pipe_fd[0], &operation); | |
1134 | if (r < 0) { | |
1135 | (void) sigkill_wait(child); | |
d94c2b06 | 1136 | return r; |
03c2b288 | 1137 | } |
d94c2b06 | 1138 | |
03c2b288 LP |
1139 | operation->extra_fd = result_fd; |
1140 | operation->done = clean_pool_done; | |
1141 | ||
1142 | result_fd = -1; | |
1143 | errno_pipe_fd[0] = -1; | |
1144 | ||
1145 | return 1; | |
d94c2b06 LP |
1146 | } |
1147 | ||
19070062 | 1148 | static int method_set_pool_limit(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
d6ce17c7 LP |
1149 | Manager *m = userdata; |
1150 | uint64_t limit; | |
1151 | int r; | |
1152 | ||
19070062 LP |
1153 | assert(message); |
1154 | ||
d6ce17c7 LP |
1155 | r = sd_bus_message_read(message, "t", &limit); |
1156 | if (r < 0) | |
1157 | return r; | |
a90fb858 LP |
1158 | if (!FILE_SIZE_VALID_OR_INFINITY(limit)) |
1159 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "New limit out of range"); | |
d6ce17c7 LP |
1160 | |
1161 | r = bus_verify_polkit_async( | |
1162 | message, | |
1163 | CAP_SYS_ADMIN, | |
1164 | "org.freedesktop.machine1.manage-machines", | |
403ed0e5 | 1165 | NULL, |
d6ce17c7 LP |
1166 | false, |
1167 | UID_INVALID, | |
1168 | &m->polkit_registry, | |
1169 | error); | |
1170 | if (r < 0) | |
1171 | return r; | |
1172 | if (r == 0) | |
1173 | return 1; /* Will call us back */ | |
1174 | ||
4cee5eed LP |
1175 | /* Set up the machine directory if necessary */ |
1176 | r = setup_machine_directory(limit, error); | |
1177 | if (r < 0) | |
1178 | return r; | |
1179 | ||
05e8f270 LP |
1180 | /* Resize the backing loopback device, if there is one, except if we asked to drop any limit */ |
1181 | if (limit != (uint64_t) -1) { | |
1182 | r = btrfs_resize_loopback("/var/lib/machines", limit, false); | |
1183 | if (r == -ENOTTY) | |
1184 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Quota is only supported on btrfs."); | |
1185 | if (r < 0 && r != -ENODEV) /* ignore ENODEV, as that's what is returned if the file system is not on loopback */ | |
1186 | return sd_bus_error_set_errnof(error, r, "Failed to adjust loopback limit: %m"); | |
1187 | } | |
efe02862 | 1188 | |
5bcd08db LP |
1189 | (void) btrfs_qgroup_set_limit("/var/lib/machines", 0, limit); |
1190 | ||
1191 | r = btrfs_subvol_set_subtree_quota_limit("/var/lib/machines", 0, limit); | |
d6ce17c7 LP |
1192 | if (r == -ENOTTY) |
1193 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Quota is only supported on btrfs."); | |
26166c88 | 1194 | if (r < 0) |
d6ce17c7 LP |
1195 | return sd_bus_error_set_errnof(error, r, "Failed to adjust quota limit: %m"); |
1196 | ||
1197 | return sd_bus_reply_method_return(message, NULL); | |
1198 | } | |
1199 | ||
19070062 | 1200 | static int method_set_image_limit(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
d6ce17c7 LP |
1201 | _cleanup_(image_unrefp) Image *i = NULL; |
1202 | const char *name; | |
1203 | int r; | |
1204 | ||
19070062 LP |
1205 | assert(message); |
1206 | ||
d6ce17c7 LP |
1207 | r = sd_bus_message_read(message, "s", &name); |
1208 | if (r < 0) | |
1209 | return r; | |
1210 | ||
1211 | if (!image_name_is_valid(name)) | |
1212 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
1213 | ||
5ef46e5f | 1214 | r = image_find(IMAGE_MACHINE, name, &i); |
3a6ce860 LP |
1215 | if (r == -ENOENT) |
1216 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
d6ce17c7 LP |
1217 | if (r < 0) |
1218 | return r; | |
d6ce17c7 LP |
1219 | |
1220 | i->userdata = userdata; | |
19070062 | 1221 | return bus_image_method_set_limit(message, i, error); |
d6ce17c7 LP |
1222 | } |
1223 | ||
c01ff965 LP |
1224 | static int method_map_from_machine_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1225 | _cleanup_fclose_ FILE *f = NULL; | |
1226 | Manager *m = userdata; | |
1227 | const char *name, *p; | |
1228 | Machine *machine; | |
1229 | uint32_t uid; | |
1230 | int r; | |
1231 | ||
1232 | r = sd_bus_message_read(message, "su", &name, &uid); | |
1233 | if (r < 0) | |
1234 | return r; | |
1235 | ||
c077529b | 1236 | if (!uid_is_valid(uid)) |
c01ff965 LP |
1237 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
1238 | ||
1239 | machine = hashmap_get(m->machines, name); | |
1240 | if (!machine) | |
1241 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
1242 | ||
a79366e2 LP |
1243 | if (machine->class != MACHINE_CONTAINER) |
1244 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Not supported for non-container machines."); | |
1245 | ||
c01ff965 LP |
1246 | p = procfs_file_alloca(machine->leader, "uid_map"); |
1247 | f = fopen(p, "re"); | |
1248 | if (!f) | |
1249 | return -errno; | |
1250 | ||
1251 | for (;;) { | |
1252 | uid_t uid_base, uid_shift, uid_range, converted; | |
1253 | int k; | |
1254 | ||
1255 | errno = 0; | |
1256 | k = fscanf(f, UID_FMT " " UID_FMT " " UID_FMT, &uid_base, &uid_shift, &uid_range); | |
1257 | if (k < 0 && feof(f)) | |
1258 | break; | |
1259 | if (k != 3) { | |
b3267152 | 1260 | if (ferror(f) && errno > 0) |
c01ff965 LP |
1261 | return -errno; |
1262 | ||
1263 | return -EIO; | |
1264 | } | |
1265 | ||
1266 | if (uid < uid_base || uid >= uid_base + uid_range) | |
1267 | continue; | |
1268 | ||
1269 | converted = uid - uid_base + uid_shift; | |
c077529b | 1270 | if (!uid_is_valid(converted)) |
c01ff965 LP |
1271 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
1272 | ||
1273 | return sd_bus_reply_method_return(message, "u", (uint32_t) converted); | |
1274 | } | |
1275 | ||
1276 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "Machine '%s' has no matching user mappings.", name); | |
1277 | } | |
1278 | ||
1279 | static int method_map_to_machine_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
1280 | Manager *m = userdata; | |
1281 | Machine *machine; | |
1282 | uid_t uid; | |
1283 | Iterator i; | |
1284 | int r; | |
1285 | ||
1286 | r = sd_bus_message_read(message, "u", &uid); | |
1287 | if (r < 0) | |
1288 | return r; | |
c077529b | 1289 | if (!uid_is_valid(uid)) |
c01ff965 LP |
1290 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
1291 | if (uid < 0x10000) | |
1292 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "User " UID_FMT " belongs to host UID range", uid); | |
1293 | ||
1294 | HASHMAP_FOREACH(machine, m->machines, i) { | |
1295 | _cleanup_fclose_ FILE *f = NULL; | |
fbd0b64f | 1296 | char p[STRLEN("/proc//uid_map") + DECIMAL_STR_MAX(pid_t) + 1]; |
c01ff965 | 1297 | |
a79366e2 LP |
1298 | if (machine->class != MACHINE_CONTAINER) |
1299 | continue; | |
1300 | ||
c01ff965 LP |
1301 | xsprintf(p, "/proc/" UID_FMT "/uid_map", machine->leader); |
1302 | f = fopen(p, "re"); | |
1303 | if (!f) { | |
fe4a1d0f | 1304 | log_warning_errno(errno, "Failed to open %s, ignoring,", p); |
c01ff965 LP |
1305 | continue; |
1306 | } | |
1307 | ||
1308 | for (;;) { | |
1309 | _cleanup_free_ char *o = NULL; | |
1310 | uid_t uid_base, uid_shift, uid_range, converted; | |
1311 | int k; | |
1312 | ||
1313 | errno = 0; | |
1314 | k = fscanf(f, UID_FMT " " UID_FMT " " UID_FMT, &uid_base, &uid_shift, &uid_range); | |
1315 | if (k < 0 && feof(f)) | |
1316 | break; | |
1317 | if (k != 3) { | |
b3267152 | 1318 | if (ferror(f) && errno > 0) |
c01ff965 LP |
1319 | return -errno; |
1320 | ||
1321 | return -EIO; | |
1322 | } | |
1323 | ||
1324 | if (uid < uid_shift || uid >= uid_shift + uid_range) | |
1325 | continue; | |
1326 | ||
1327 | converted = (uid - uid_shift + uid_base); | |
c077529b | 1328 | if (!uid_is_valid(converted)) |
c01ff965 LP |
1329 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
1330 | ||
1331 | o = machine_bus_path(machine); | |
1332 | if (!o) | |
1333 | return -ENOMEM; | |
1334 | ||
1335 | return sd_bus_reply_method_return(message, "sou", machine->name, o, (uint32_t) converted); | |
1336 | } | |
1337 | } | |
1338 | ||
1339 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "No matching user mapping for " UID_FMT ".", uid); | |
1340 | } | |
1341 | ||
1342 | static int method_map_from_machine_group(sd_bus_message *message, void *groupdata, sd_bus_error *error) { | |
1343 | _cleanup_fclose_ FILE *f = NULL; | |
1344 | Manager *m = groupdata; | |
1345 | const char *name, *p; | |
1346 | Machine *machine; | |
1347 | uint32_t gid; | |
1348 | int r; | |
1349 | ||
1350 | r = sd_bus_message_read(message, "su", &name, &gid); | |
1351 | if (r < 0) | |
1352 | return r; | |
1353 | ||
c077529b | 1354 | if (!gid_is_valid(gid)) |
c01ff965 LP |
1355 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1356 | ||
1357 | machine = hashmap_get(m->machines, name); | |
1358 | if (!machine) | |
1359 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
1360 | ||
a79366e2 LP |
1361 | if (machine->class != MACHINE_CONTAINER) |
1362 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Not supported for non-container machines."); | |
1363 | ||
c01ff965 LP |
1364 | p = procfs_file_alloca(machine->leader, "gid_map"); |
1365 | f = fopen(p, "re"); | |
1366 | if (!f) | |
1367 | return -errno; | |
1368 | ||
1369 | for (;;) { | |
1370 | gid_t gid_base, gid_shift, gid_range, converted; | |
1371 | int k; | |
1372 | ||
1373 | errno = 0; | |
1374 | k = fscanf(f, GID_FMT " " GID_FMT " " GID_FMT, &gid_base, &gid_shift, &gid_range); | |
1375 | if (k < 0 && feof(f)) | |
1376 | break; | |
1377 | if (k != 3) { | |
b3267152 | 1378 | if (ferror(f) && errno > 0) |
c01ff965 LP |
1379 | return -errno; |
1380 | ||
1381 | return -EIO; | |
1382 | } | |
1383 | ||
1384 | if (gid < gid_base || gid >= gid_base + gid_range) | |
1385 | continue; | |
1386 | ||
1387 | converted = gid - gid_base + gid_shift; | |
c077529b | 1388 | if (!gid_is_valid(converted)) |
c01ff965 LP |
1389 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1390 | ||
1391 | return sd_bus_reply_method_return(message, "u", (uint32_t) converted); | |
1392 | } | |
1393 | ||
1394 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "Machine '%s' has no matching group mappings.", name); | |
1395 | } | |
1396 | ||
1397 | static int method_map_to_machine_group(sd_bus_message *message, void *groupdata, sd_bus_error *error) { | |
1398 | Manager *m = groupdata; | |
1399 | Machine *machine; | |
1400 | gid_t gid; | |
1401 | Iterator i; | |
1402 | int r; | |
1403 | ||
1404 | r = sd_bus_message_read(message, "u", &gid); | |
1405 | if (r < 0) | |
1406 | return r; | |
c077529b | 1407 | if (!gid_is_valid(gid)) |
c01ff965 LP |
1408 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1409 | if (gid < 0x10000) | |
1410 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "Group " GID_FMT " belongs to host GID range", gid); | |
1411 | ||
1412 | HASHMAP_FOREACH(machine, m->machines, i) { | |
1413 | _cleanup_fclose_ FILE *f = NULL; | |
fbd0b64f | 1414 | char p[STRLEN("/proc//gid_map") + DECIMAL_STR_MAX(pid_t) + 1]; |
c01ff965 | 1415 | |
a79366e2 LP |
1416 | if (machine->class != MACHINE_CONTAINER) |
1417 | continue; | |
1418 | ||
c01ff965 LP |
1419 | xsprintf(p, "/proc/" GID_FMT "/gid_map", machine->leader); |
1420 | f = fopen(p, "re"); | |
1421 | if (!f) { | |
fe4a1d0f | 1422 | log_warning_errno(errno, "Failed to open %s, ignoring,", p); |
c01ff965 LP |
1423 | continue; |
1424 | } | |
1425 | ||
1426 | for (;;) { | |
1427 | _cleanup_free_ char *o = NULL; | |
1428 | gid_t gid_base, gid_shift, gid_range, converted; | |
1429 | int k; | |
1430 | ||
1431 | errno = 0; | |
1432 | k = fscanf(f, GID_FMT " " GID_FMT " " GID_FMT, &gid_base, &gid_shift, &gid_range); | |
1433 | if (k < 0 && feof(f)) | |
1434 | break; | |
1435 | if (k != 3) { | |
b3267152 | 1436 | if (ferror(f) && errno > 0) |
c01ff965 LP |
1437 | return -errno; |
1438 | ||
1439 | return -EIO; | |
1440 | } | |
1441 | ||
1442 | if (gid < gid_shift || gid >= gid_shift + gid_range) | |
1443 | continue; | |
1444 | ||
1445 | converted = (gid - gid_shift + gid_base); | |
c077529b | 1446 | if (!gid_is_valid(converted)) |
c01ff965 LP |
1447 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1448 | ||
1449 | o = machine_bus_path(machine); | |
1450 | if (!o) | |
1451 | return -ENOMEM; | |
1452 | ||
1453 | return sd_bus_reply_method_return(message, "sou", machine->name, o, (uint32_t) converted); | |
1454 | } | |
1455 | } | |
1456 | ||
1457 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "No matching group mapping for " GID_FMT ".", gid); | |
1458 | } | |
1459 | ||
c3350683 LP |
1460 | const sd_bus_vtable manager_vtable[] = { |
1461 | SD_BUS_VTABLE_START(0), | |
160e3793 LP |
1462 | SD_BUS_PROPERTY("PoolPath", "s", property_get_pool_path, 0, 0), |
1463 | SD_BUS_PROPERTY("PoolUsage", "t", property_get_pool_usage, 0, 0), | |
1464 | SD_BUS_PROPERTY("PoolLimit", "t", property_get_pool_limit, 0, 0), | |
adacb957 | 1465 | SD_BUS_METHOD("GetMachine", "s", "o", method_get_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
c2ce6a3d | 1466 | SD_BUS_METHOD("GetImage", "s", "o", method_get_image, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
1467 | SD_BUS_METHOD("GetMachineByPID", "u", "o", method_get_machine_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), |
1468 | SD_BUS_METHOD("ListMachines", NULL, "a(ssso)", method_list_machines, SD_BUS_VTABLE_UNPRIVILEGED), | |
b6b18498 | 1469 | SD_BUS_METHOD("ListImages", NULL, "a(ssbttto)", method_list_images, SD_BUS_VTABLE_UNPRIVILEGED), |
c3350683 | 1470 | SD_BUS_METHOD("CreateMachine", "sayssusa(sv)", "o", method_create_machine, 0), |
9b5ed6fe | 1471 | SD_BUS_METHOD("CreateMachineWithNetwork", "sayssusaia(sv)", "o", method_create_machine_with_network, 0), |
8d07a7c4 | 1472 | SD_BUS_METHOD("RegisterMachine", "sayssus", "o", method_register_machine, 0), |
9b5ed6fe | 1473 | SD_BUS_METHOD("RegisterMachineWithNetwork", "sayssusai", "o", method_register_machine_with_network, 0), |
70244d1d LP |
1474 | SD_BUS_METHOD("TerminateMachine", "s", NULL, method_terminate_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
1475 | SD_BUS_METHOD("KillMachine", "ssi", NULL, method_kill_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
3a6fb33c | 1476 | SD_BUS_METHOD("GetMachineAddresses", "s", "a(iay)", method_get_machine_addresses, SD_BUS_VTABLE_UNPRIVILEGED), |
717603e3 | 1477 | SD_BUS_METHOD("GetMachineOSRelease", "s", "a{ss}", method_get_machine_os_release, SD_BUS_VTABLE_UNPRIVILEGED), |
40205d70 | 1478 | SD_BUS_METHOD("OpenMachinePTY", "s", "hs", method_open_machine_pty, 0), |
d04c1fb8 | 1479 | SD_BUS_METHOD("OpenMachineLogin", "s", "hs", method_open_machine_login, SD_BUS_VTABLE_UNPRIVILEGED), |
49af9e13 | 1480 | SD_BUS_METHOD("OpenMachineShell", "sssasas", "hs", method_open_machine_shell, SD_BUS_VTABLE_UNPRIVILEGED), |
70244d1d LP |
1481 | SD_BUS_METHOD("BindMountMachine", "sssbb", NULL, method_bind_mount_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
1482 | SD_BUS_METHOD("CopyFromMachine", "sss", NULL, method_copy_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
1483 | SD_BUS_METHOD("CopyToMachine", "sss", NULL, method_copy_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
ae203207 | 1484 | SD_BUS_METHOD("OpenMachineRootDirectory", "s", "h", method_open_machine_root_directory, SD_BUS_VTABLE_UNPRIVILEGED), |
3401419b | 1485 | SD_BUS_METHOD("GetMachineUIDShift", "s", "u", method_get_machine_uid_shift, SD_BUS_VTABLE_UNPRIVILEGED), |
70244d1d LP |
1486 | SD_BUS_METHOD("RemoveImage", "s", NULL, method_remove_image, SD_BUS_VTABLE_UNPRIVILEGED), |
1487 | SD_BUS_METHOD("RenameImage", "ss", NULL, method_rename_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
1488 | SD_BUS_METHOD("CloneImage", "ssb", NULL, method_clone_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
1489 | SD_BUS_METHOD("MarkImageReadOnly", "sb", NULL, method_mark_image_read_only, SD_BUS_VTABLE_UNPRIVILEGED), | |
cf30a8c1 LP |
1490 | SD_BUS_METHOD("GetImageHostname", "s", "s", method_get_image_hostname, SD_BUS_VTABLE_UNPRIVILEGED), |
1491 | SD_BUS_METHOD("GetImageMachineID", "s", "ay", method_get_image_machine_id, SD_BUS_VTABLE_UNPRIVILEGED), | |
1492 | SD_BUS_METHOD("GetImageMachineInfo", "s", "a{ss}", method_get_image_machine_info, SD_BUS_VTABLE_UNPRIVILEGED), | |
9153b02b | 1493 | SD_BUS_METHOD("GetImageOSRelease", "s", "a{ss}", method_get_image_os_release, SD_BUS_VTABLE_UNPRIVILEGED), |
d6ce17c7 LP |
1494 | SD_BUS_METHOD("SetPoolLimit", "t", NULL, method_set_pool_limit, SD_BUS_VTABLE_UNPRIVILEGED), |
1495 | SD_BUS_METHOD("SetImageLimit", "st", NULL, method_set_image_limit, SD_BUS_VTABLE_UNPRIVILEGED), | |
d94c2b06 | 1496 | SD_BUS_METHOD("CleanPool", "s", "a(st)", method_clean_pool, SD_BUS_VTABLE_UNPRIVILEGED), |
c01ff965 LP |
1497 | SD_BUS_METHOD("MapFromMachineUser", "su", "u", method_map_from_machine_user, SD_BUS_VTABLE_UNPRIVILEGED), |
1498 | SD_BUS_METHOD("MapToMachineUser", "u", "sou", method_map_to_machine_user, SD_BUS_VTABLE_UNPRIVILEGED), | |
1499 | SD_BUS_METHOD("MapFromMachineGroup", "su", "u", method_map_from_machine_group, SD_BUS_VTABLE_UNPRIVILEGED), | |
1500 | SD_BUS_METHOD("MapToMachineGroup", "u", "sou", method_map_to_machine_group, SD_BUS_VTABLE_UNPRIVILEGED), | |
c3350683 LP |
1501 | SD_BUS_SIGNAL("MachineNew", "so", 0), |
1502 | SD_BUS_SIGNAL("MachineRemoved", "so", 0), | |
1503 | SD_BUS_VTABLE_END | |
1504 | }; | |
1ee306e1 | 1505 | |
19070062 | 1506 | int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 1507 | const char *path, *result, *unit; |
1ee306e1 | 1508 | Manager *m = userdata; |
c3350683 LP |
1509 | Machine *machine; |
1510 | uint32_t id; | |
1511 | int r; | |
1ee306e1 | 1512 | |
1ee306e1 | 1513 | assert(message); |
c3350683 | 1514 | assert(m); |
1ee306e1 | 1515 | |
c3350683 LP |
1516 | r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result); |
1517 | if (r < 0) { | |
ebcf1f97 | 1518 | bus_log_parse_error(r); |
65d73cf0 | 1519 | return 0; |
c3350683 | 1520 | } |
6797c324 | 1521 | |
c3350683 LP |
1522 | machine = hashmap_get(m->machine_units, unit); |
1523 | if (!machine) | |
1524 | return 0; | |
6797c324 | 1525 | |
c3350683 | 1526 | if (streq_ptr(path, machine->scope_job)) { |
491ac9f2 | 1527 | machine->scope_job = mfree(machine->scope_job); |
6797c324 | 1528 | |
c3350683 LP |
1529 | if (machine->started) { |
1530 | if (streq(result, "done")) | |
1531 | machine_send_create_reply(machine, NULL); | |
1532 | else { | |
4afd3348 | 1533 | _cleanup_(sd_bus_error_free) sd_bus_error e = SD_BUS_ERROR_NULL; |
6797c324 | 1534 | |
ebcf1f97 | 1535 | sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result); |
6797c324 | 1536 | |
ebcf1f97 | 1537 | machine_send_create_reply(machine, &e); |
c3350683 | 1538 | } |
49f3fffd LP |
1539 | } |
1540 | ||
1541 | machine_save(machine); | |
1ee306e1 LP |
1542 | } |
1543 | ||
c3350683 LP |
1544 | machine_add_to_gc_queue(machine); |
1545 | return 0; | |
1ee306e1 LP |
1546 | } |
1547 | ||
19070062 | 1548 | int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 1549 | _cleanup_free_ char *unit = NULL; |
49f3fffd | 1550 | const char *path; |
c3350683 LP |
1551 | Manager *m = userdata; |
1552 | Machine *machine; | |
ebcf1f97 | 1553 | int r; |
554604b3 | 1554 | |
c3350683 LP |
1555 | assert(message); |
1556 | assert(m); | |
554604b3 | 1557 | |
c3350683 LP |
1558 | path = sd_bus_message_get_path(message); |
1559 | if (!path) | |
554604b3 | 1560 | return 0; |
554604b3 | 1561 | |
ebcf1f97 | 1562 | r = unit_name_from_dbus_path(path, &unit); |
e5f5b5b9 LP |
1563 | if (r == -EINVAL) /* not for a unit */ |
1564 | return 0; | |
9ed794a3 | 1565 | if (r < 0) { |
9b420b3c LP |
1566 | log_oom(); |
1567 | return 0; | |
1568 | } | |
554604b3 | 1569 | |
c3350683 | 1570 | machine = hashmap_get(m->machine_units, unit); |
9b420b3c LP |
1571 | if (!machine) |
1572 | return 0; | |
1573 | ||
9b420b3c | 1574 | machine_add_to_gc_queue(machine); |
c3350683 LP |
1575 | return 0; |
1576 | } | |
554604b3 | 1577 | |
19070062 | 1578 | int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
1579 | const char *path, *unit; |
1580 | Manager *m = userdata; | |
1581 | Machine *machine; | |
1582 | int r; | |
554604b3 | 1583 | |
c3350683 LP |
1584 | assert(message); |
1585 | assert(m); | |
554604b3 | 1586 | |
c3350683 LP |
1587 | r = sd_bus_message_read(message, "so", &unit, &path); |
1588 | if (r < 0) { | |
ebcf1f97 | 1589 | bus_log_parse_error(r); |
9b420b3c | 1590 | return 0; |
554604b3 LP |
1591 | } |
1592 | ||
c3350683 | 1593 | machine = hashmap_get(m->machine_units, unit); |
9b420b3c LP |
1594 | if (!machine) |
1595 | return 0; | |
1596 | ||
9b420b3c | 1597 | machine_add_to_gc_queue(machine); |
c3350683 LP |
1598 | return 0; |
1599 | } | |
554604b3 | 1600 | |
19070062 | 1601 | int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 1602 | Manager *m = userdata; |
a658cafa LP |
1603 | Machine *machine; |
1604 | Iterator i; | |
c3350683 | 1605 | int b, r; |
554604b3 | 1606 | |
19070062 LP |
1607 | assert(message); |
1608 | assert(m); | |
554604b3 | 1609 | |
c3350683 LP |
1610 | r = sd_bus_message_read(message, "b", &b); |
1611 | if (r < 0) { | |
ebcf1f97 | 1612 | bus_log_parse_error(r); |
65d73cf0 | 1613 | return 0; |
554604b3 | 1614 | } |
a658cafa LP |
1615 | if (b) |
1616 | return 0; | |
554604b3 | 1617 | |
a658cafa LP |
1618 | /* systemd finished reloading, let's recheck all our machines */ |
1619 | log_debug("System manager has been reloaded, rechecking machines..."); | |
554604b3 | 1620 | |
a658cafa LP |
1621 | HASHMAP_FOREACH(machine, m->machines, i) |
1622 | machine_add_to_gc_queue(machine); | |
554604b3 LP |
1623 | |
1624 | return 0; | |
1625 | } | |
1626 | ||
1ee306e1 LP |
1627 | int manager_start_scope( |
1628 | Manager *manager, | |
1629 | const char *scope, | |
1630 | pid_t pid, | |
1631 | const char *slice, | |
1632 | const char *description, | |
c3350683 LP |
1633 | sd_bus_message *more_properties, |
1634 | sd_bus_error *error, | |
1ee306e1 LP |
1635 | char **job) { |
1636 | ||
4afd3348 | 1637 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; |
554604b3 | 1638 | int r; |
1ee306e1 LP |
1639 | |
1640 | assert(manager); | |
1641 | assert(scope); | |
1642 | assert(pid > 1); | |
1643 | ||
c3350683 LP |
1644 | r = sd_bus_message_new_method_call( |
1645 | manager->bus, | |
151b9b96 | 1646 | &m, |
1ee306e1 LP |
1647 | "org.freedesktop.systemd1", |
1648 | "/org/freedesktop/systemd1", | |
1649 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 1650 | "StartTransientUnit"); |
c3350683 LP |
1651 | if (r < 0) |
1652 | return r; | |
1ee306e1 | 1653 | |
a658cafa | 1654 | r = sd_bus_message_append(m, "ss", strempty(scope), "fail"); |
c3350683 LP |
1655 | if (r < 0) |
1656 | return r; | |
1ee306e1 | 1657 | |
c3350683 LP |
1658 | r = sd_bus_message_open_container(m, 'a', "(sv)"); |
1659 | if (r < 0) | |
1660 | return r; | |
1ee306e1 LP |
1661 | |
1662 | if (!isempty(slice)) { | |
c3350683 LP |
1663 | r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice); |
1664 | if (r < 0) | |
1665 | return r; | |
1ee306e1 LP |
1666 | } |
1667 | ||
1668 | if (!isempty(description)) { | |
c3350683 LP |
1669 | r = sd_bus_message_append(m, "(sv)", "Description", "s", description); |
1670 | if (r < 0) | |
1671 | return r; | |
1ee306e1 LP |
1672 | } |
1673 | ||
c3350683 LP |
1674 | r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid); |
1675 | if (r < 0) | |
1676 | return r; | |
554604b3 | 1677 | |
a931ad47 LP |
1678 | r = sd_bus_message_append(m, "(sv)", "Delegate", "b", 1); |
1679 | if (r < 0) | |
1680 | return r; | |
1681 | ||
cf7d1a30 | 1682 | r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", UINT64_C(16384)); |
b370fec2 AC |
1683 | if (r < 0) |
1684 | return bus_log_create_error(r); | |
1685 | ||
554604b3 | 1686 | if (more_properties) { |
c3350683 | 1687 | r = sd_bus_message_copy(m, more_properties, true); |
554604b3 LP |
1688 | if (r < 0) |
1689 | return r; | |
1690 | } | |
1691 | ||
c3350683 LP |
1692 | r = sd_bus_message_close_container(m); |
1693 | if (r < 0) | |
1694 | return r; | |
1ee306e1 | 1695 | |
86b8d289 LP |
1696 | r = sd_bus_message_append(m, "a(sa(sv))", 0); |
1697 | if (r < 0) | |
1698 | return r; | |
1699 | ||
c49b30a2 | 1700 | r = sd_bus_call(manager->bus, m, 0, error, &reply); |
c3350683 LP |
1701 | if (r < 0) |
1702 | return r; | |
1ee306e1 LP |
1703 | |
1704 | if (job) { | |
1705 | const char *j; | |
1706 | char *copy; | |
1707 | ||
c3350683 LP |
1708 | r = sd_bus_message_read(reply, "o", &j); |
1709 | if (r < 0) | |
1710 | return r; | |
1ee306e1 LP |
1711 | |
1712 | copy = strdup(j); | |
1713 | if (!copy) | |
1714 | return -ENOMEM; | |
1715 | ||
1716 | *job = copy; | |
1717 | } | |
1718 | ||
c3350683 | 1719 | return 1; |
1ee306e1 LP |
1720 | } |
1721 | ||
c3350683 | 1722 | int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { |
4afd3348 | 1723 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
1ee306e1 LP |
1724 | int r; |
1725 | ||
1726 | assert(manager); | |
1727 | assert(unit); | |
1728 | ||
c3350683 | 1729 | r = sd_bus_call_method( |
1ee306e1 LP |
1730 | manager->bus, |
1731 | "org.freedesktop.systemd1", | |
1732 | "/org/freedesktop/systemd1", | |
1733 | "org.freedesktop.systemd1.Manager", | |
1734 | "StopUnit", | |
1ee306e1 | 1735 | error, |
c3350683 LP |
1736 | &reply, |
1737 | "ss", unit, "fail"); | |
1ee306e1 | 1738 | if (r < 0) { |
c3350683 LP |
1739 | if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) || |
1740 | sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) { | |
6797c324 LP |
1741 | |
1742 | if (job) | |
1743 | *job = NULL; | |
1744 | ||
c3350683 | 1745 | sd_bus_error_free(error); |
6797c324 LP |
1746 | return 0; |
1747 | } | |
1748 | ||
1ee306e1 LP |
1749 | return r; |
1750 | } | |
1751 | ||
1752 | if (job) { | |
1753 | const char *j; | |
1754 | char *copy; | |
1755 | ||
c3350683 LP |
1756 | r = sd_bus_message_read(reply, "o", &j); |
1757 | if (r < 0) | |
1758 | return r; | |
1ee306e1 LP |
1759 | |
1760 | copy = strdup(j); | |
1761 | if (!copy) | |
1762 | return -ENOMEM; | |
1763 | ||
1764 | *job = copy; | |
1765 | } | |
1766 | ||
6797c324 | 1767 | return 1; |
1ee306e1 LP |
1768 | } |
1769 | ||
de58a50e | 1770 | int manager_kill_unit(Manager *manager, const char *unit, int signo, sd_bus_error *error) { |
1ee306e1 LP |
1771 | assert(manager); |
1772 | assert(unit); | |
1773 | ||
a658cafa | 1774 | return sd_bus_call_method( |
1ee306e1 LP |
1775 | manager->bus, |
1776 | "org.freedesktop.systemd1", | |
1777 | "/org/freedesktop/systemd1", | |
1778 | "org.freedesktop.systemd1.Manager", | |
1779 | "KillUnit", | |
1ee306e1 | 1780 | error, |
a658cafa | 1781 | NULL, |
de58a50e | 1782 | "ssi", unit, "all", signo); |
1ee306e1 LP |
1783 | } |
1784 | ||
1785 | int manager_unit_is_active(Manager *manager, const char *unit) { | |
4afd3348 LP |
1786 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
1787 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
1ee306e1 | 1788 | _cleanup_free_ char *path = NULL; |
1ee306e1 | 1789 | const char *state; |
1ee306e1 LP |
1790 | int r; |
1791 | ||
1792 | assert(manager); | |
1793 | assert(unit); | |
1794 | ||
1ee306e1 LP |
1795 | path = unit_dbus_path_from_name(unit); |
1796 | if (!path) | |
1797 | return -ENOMEM; | |
1798 | ||
c3350683 | 1799 | r = sd_bus_get_property( |
1ee306e1 LP |
1800 | manager->bus, |
1801 | "org.freedesktop.systemd1", | |
1802 | path, | |
c3350683 LP |
1803 | "org.freedesktop.systemd1.Unit", |
1804 | "ActiveState", | |
1ee306e1 | 1805 | &error, |
c3350683 LP |
1806 | &reply, |
1807 | "s"); | |
1ee306e1 | 1808 | if (r < 0) { |
c3350683 LP |
1809 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || |
1810 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
6797c324 | 1811 | return true; |
6797c324 | 1812 | |
c3350683 LP |
1813 | if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) || |
1814 | sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED)) | |
6797c324 | 1815 | return false; |
6797c324 | 1816 | |
1ee306e1 LP |
1817 | return r; |
1818 | } | |
1819 | ||
c3350683 LP |
1820 | r = sd_bus_message_read(reply, "s", &state); |
1821 | if (r < 0) | |
1ee306e1 | 1822 | return -EINVAL; |
1ee306e1 | 1823 | |
9b420b3c | 1824 | return !STR_IN_SET(state, "inactive", "failed"); |
1ee306e1 | 1825 | } |
bd16acf3 | 1826 | |
c3350683 | 1827 | int manager_job_is_active(Manager *manager, const char *path) { |
4afd3348 LP |
1828 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
1829 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
c3350683 | 1830 | int r; |
bd16acf3 | 1831 | |
c3350683 LP |
1832 | assert(manager); |
1833 | assert(path); | |
bd16acf3 | 1834 | |
c3350683 LP |
1835 | r = sd_bus_get_property( |
1836 | manager->bus, | |
1837 | "org.freedesktop.systemd1", | |
1838 | path, | |
1839 | "org.freedesktop.systemd1.Job", | |
1840 | "State", | |
1841 | &error, | |
1842 | &reply, | |
1843 | "s"); | |
1844 | if (r < 0) { | |
1845 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || | |
1846 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
1847 | return true; | |
bd16acf3 | 1848 | |
c3350683 LP |
1849 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT)) |
1850 | return false; | |
bd16acf3 | 1851 | |
bd16acf3 | 1852 | return r; |
c3350683 | 1853 | } |
bd16acf3 | 1854 | |
c3350683 LP |
1855 | /* We don't actually care about the state really. The fact |
1856 | * that we could read the job state is enough for us */ | |
bd16acf3 | 1857 | |
c3350683 | 1858 | return true; |
bd16acf3 | 1859 | } |
ab49725f KS |
1860 | |
1861 | int manager_get_machine_by_pid(Manager *m, pid_t pid, Machine **machine) { | |
ab49725f KS |
1862 | Machine *mm; |
1863 | int r; | |
1864 | ||
1865 | assert(m); | |
1866 | assert(pid >= 1); | |
1867 | assert(machine); | |
1868 | ||
4a0b58c4 | 1869 | mm = hashmap_get(m->machine_leaders, PID_TO_PTR(pid)); |
077c8c36 LP |
1870 | if (!mm) { |
1871 | _cleanup_free_ char *unit = NULL; | |
ab49725f | 1872 | |
077c8c36 LP |
1873 | r = cg_pid_get_unit(pid, &unit); |
1874 | if (r >= 0) | |
1875 | mm = hashmap_get(m->machine_units, unit); | |
1876 | } | |
ab49725f KS |
1877 | if (!mm) |
1878 | return 0; | |
1879 | ||
1880 | *machine = mm; | |
1881 | return 1; | |
1882 | } | |
1883 | ||
1884 | int manager_add_machine(Manager *m, const char *name, Machine **_machine) { | |
1885 | Machine *machine; | |
1886 | ||
1887 | assert(m); | |
1888 | assert(name); | |
1889 | ||
1890 | machine = hashmap_get(m->machines, name); | |
1891 | if (!machine) { | |
fbe55073 | 1892 | machine = machine_new(m, _MACHINE_CLASS_INVALID, name); |
ab49725f KS |
1893 | if (!machine) |
1894 | return -ENOMEM; | |
1895 | } | |
1896 | ||
1897 | if (_machine) | |
1898 | *_machine = machine; | |
1899 | ||
1900 | return 0; | |
1901 | } | |
9153b02b LP |
1902 | |
1903 | int bus_reply_pair_array(sd_bus_message *m, char **l) { | |
1904 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
1905 | char **k, **v; | |
1906 | int r; | |
1907 | ||
1908 | r = sd_bus_message_new_method_return(m, &reply); | |
1909 | if (r < 0) | |
1910 | return r; | |
1911 | ||
1912 | r = sd_bus_message_open_container(reply, 'a', "{ss}"); | |
1913 | if (r < 0) | |
1914 | return r; | |
1915 | ||
1916 | STRV_FOREACH_PAIR(k, v, l) { | |
1917 | r = sd_bus_message_append(reply, "{ss}", *k, *v); | |
1918 | if (r < 0) | |
1919 | return r; | |
1920 | } | |
1921 | ||
1922 | r = sd_bus_message_close_container(reply); | |
1923 | if (r < 0) | |
1924 | return r; | |
1925 | ||
1926 | return sd_bus_send(NULL, reply, NULL); | |
1927 | ||
1928 | } |