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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 | |
160e3793 LP |
36 | static int property_get_pool_path( |
37 | sd_bus *bus, | |
38 | const char *path, | |
39 | const char *interface, | |
40 | const char *property, | |
41 | sd_bus_message *reply, | |
42 | void *userdata, | |
43 | sd_bus_error *error) { | |
44 | ||
45 | assert(bus); | |
46 | assert(reply); | |
47 | ||
48 | return sd_bus_message_append(reply, "s", "/var/lib/machines"); | |
49 | } | |
50 | ||
51 | static int property_get_pool_usage( | |
52 | sd_bus *bus, | |
53 | const char *path, | |
54 | const char *interface, | |
55 | const char *property, | |
56 | sd_bus_message *reply, | |
57 | void *userdata, | |
58 | sd_bus_error *error) { | |
59 | ||
60 | _cleanup_close_ int fd = -1; | |
61 | uint64_t usage = (uint64_t) -1; | |
62 | struct stat st; | |
63 | ||
64 | assert(bus); | |
65 | assert(reply); | |
66 | ||
67 | /* We try to read the quota info from /var/lib/machines, as | |
68 | * well as the usage of the loopback file | |
69 | * /var/lib/machines.raw, and pick the larger value. */ | |
70 | ||
71 | fd = open("/var/lib/machines", O_RDONLY|O_CLOEXEC|O_DIRECTORY); | |
72 | if (fd >= 0) { | |
73 | BtrfsQuotaInfo q; | |
74 | ||
5bcd08db | 75 | if (btrfs_subvol_get_subtree_quota_fd(fd, 0, &q) >= 0) |
cb81cd80 | 76 | usage = q.referenced; |
160e3793 LP |
77 | } |
78 | ||
79 | if (stat("/var/lib/machines.raw", &st) >= 0) { | |
80 | if (usage == (uint64_t) -1 || st.st_blocks * 512ULL > usage) | |
81 | usage = st.st_blocks * 512ULL; | |
82 | } | |
83 | ||
84 | return sd_bus_message_append(reply, "t", usage); | |
85 | } | |
86 | ||
87 | static int property_get_pool_limit( | |
88 | sd_bus *bus, | |
89 | const char *path, | |
90 | const char *interface, | |
91 | const char *property, | |
92 | sd_bus_message *reply, | |
93 | void *userdata, | |
94 | sd_bus_error *error) { | |
95 | ||
96 | _cleanup_close_ int fd = -1; | |
97 | uint64_t size = (uint64_t) -1; | |
98 | struct stat st; | |
99 | ||
100 | assert(bus); | |
101 | assert(reply); | |
102 | ||
103 | /* We try to read the quota limit from /var/lib/machines, as | |
104 | * well as the size of the loopback file | |
105 | * /var/lib/machines.raw, and pick the smaller value. */ | |
106 | ||
107 | fd = open("/var/lib/machines", O_RDONLY|O_CLOEXEC|O_DIRECTORY); | |
108 | if (fd >= 0) { | |
109 | BtrfsQuotaInfo q; | |
110 | ||
5bcd08db | 111 | if (btrfs_subvol_get_subtree_quota_fd(fd, 0, &q) >= 0) |
cb81cd80 | 112 | size = q.referenced_max; |
160e3793 LP |
113 | } |
114 | ||
115 | if (stat("/var/lib/machines.raw", &st) >= 0) { | |
116 | if (size == (uint64_t) -1 || (uint64_t) st.st_size < size) | |
117 | size = st.st_size; | |
118 | } | |
119 | ||
120 | return sd_bus_message_append(reply, "t", size); | |
121 | } | |
122 | ||
19070062 | 123 | static int method_get_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
124 | _cleanup_free_ char *p = NULL; |
125 | Manager *m = userdata; | |
126 | Machine *machine; | |
127 | const char *name; | |
128 | int r; | |
129 | ||
c3350683 LP |
130 | assert(message); |
131 | assert(m); | |
132 | ||
133 | r = sd_bus_message_read(message, "s", &name); | |
134 | if (r < 0) | |
ebcf1f97 | 135 | return r; |
c3350683 LP |
136 | |
137 | machine = hashmap_get(m->machines, name); | |
138 | if (!machine) | |
ebcf1f97 | 139 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
c3350683 LP |
140 | |
141 | p = machine_bus_path(machine); | |
142 | if (!p) | |
ebcf1f97 | 143 | return -ENOMEM; |
c3350683 | 144 | |
df2d202e | 145 | return sd_bus_reply_method_return(message, "o", p); |
c3350683 LP |
146 | } |
147 | ||
19070062 | 148 | static int method_get_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c2ce6a3d LP |
149 | _cleanup_free_ char *p = NULL; |
150 | Manager *m = userdata; | |
151 | const char *name; | |
152 | int r; | |
153 | ||
c2ce6a3d LP |
154 | assert(message); |
155 | assert(m); | |
156 | ||
157 | r = sd_bus_message_read(message, "s", &name); | |
158 | if (r < 0) | |
159 | return r; | |
160 | ||
161 | r = image_find(name, NULL); | |
162 | if (r == 0) | |
163 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
164 | if (r < 0) | |
165 | return r; | |
166 | ||
167 | p = image_bus_path(name); | |
168 | if (!p) | |
169 | return -ENOMEM; | |
170 | ||
171 | return sd_bus_reply_method_return(message, "o", p); | |
172 | } | |
173 | ||
19070062 | 174 | static int method_get_machine_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
175 | _cleanup_free_ char *p = NULL; |
176 | Manager *m = userdata; | |
177 | Machine *machine = NULL; | |
4e724d9c | 178 | pid_t pid; |
c3350683 LP |
179 | int r; |
180 | ||
c3350683 LP |
181 | assert(message); |
182 | assert(m); | |
183 | ||
4e724d9c LP |
184 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
185 | ||
c3350683 LP |
186 | r = sd_bus_message_read(message, "u", &pid); |
187 | if (r < 0) | |
ebcf1f97 | 188 | return r; |
c3350683 | 189 | |
07b38ba5 | 190 | if (pid < 0) |
06820eaf LP |
191 | return -EINVAL; |
192 | ||
4e724d9c | 193 | if (pid == 0) { |
4afd3348 | 194 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
5b12334d LP |
195 | |
196 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
197 | if (r < 0) | |
198 | return r; | |
199 | ||
200 | r = sd_bus_creds_get_pid(creds, &pid); | |
4e724d9c | 201 | if (r < 0) |
ebcf1f97 | 202 | return r; |
4e724d9c LP |
203 | } |
204 | ||
c3350683 LP |
205 | r = manager_get_machine_by_pid(m, pid, &machine); |
206 | if (r < 0) | |
ebcf1f97 | 207 | return r; |
c3350683 | 208 | if (!machine) |
de0671ee | 209 | 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 |
210 | |
211 | p = machine_bus_path(machine); | |
212 | if (!p) | |
ebcf1f97 | 213 | return -ENOMEM; |
c3350683 | 214 | |
df2d202e | 215 | return sd_bus_reply_method_return(message, "o", p); |
c3350683 LP |
216 | } |
217 | ||
19070062 | 218 | static int method_list_machines(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 219 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
c3350683 LP |
220 | Manager *m = userdata; |
221 | Machine *machine; | |
222 | Iterator i; | |
223 | int r; | |
224 | ||
c3350683 LP |
225 | assert(message); |
226 | assert(m); | |
227 | ||
df2d202e | 228 | r = sd_bus_message_new_method_return(message, &reply); |
c3350683 | 229 | if (r < 0) |
ebcf1f97 | 230 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
231 | |
232 | r = sd_bus_message_open_container(reply, 'a', "(ssso)"); | |
233 | if (r < 0) | |
ebcf1f97 | 234 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
235 | |
236 | HASHMAP_FOREACH(machine, m->machines, i) { | |
237 | _cleanup_free_ char *p = NULL; | |
238 | ||
239 | p = machine_bus_path(machine); | |
240 | if (!p) | |
ebcf1f97 | 241 | return -ENOMEM; |
c3350683 LP |
242 | |
243 | r = sd_bus_message_append(reply, "(ssso)", | |
244 | machine->name, | |
245 | strempty(machine_class_to_string(machine->class)), | |
246 | machine->service, | |
247 | p); | |
248 | if (r < 0) | |
ebcf1f97 | 249 | return sd_bus_error_set_errno(error, r); |
c3350683 | 250 | } |
1ee306e1 | 251 | |
c3350683 LP |
252 | r = sd_bus_message_close_container(reply); |
253 | if (r < 0) | |
ebcf1f97 | 254 | return sd_bus_error_set_errno(error, r); |
c3350683 | 255 | |
9030ca46 | 256 | return sd_bus_send(NULL, reply, NULL); |
c3350683 LP |
257 | } |
258 | ||
9b5ed6fe | 259 | static int method_create_or_register_machine(Manager *manager, sd_bus_message *message, bool read_network, Machine **_m, sd_bus_error *error) { |
8aec412f | 260 | const char *name, *service, *class, *root_directory; |
9b5ed6fe | 261 | const int32_t *netif = NULL; |
1ee306e1 LP |
262 | MachineClass c; |
263 | uint32_t leader; | |
264 | sd_id128_t id; | |
c3350683 | 265 | const void *v; |
1ee306e1 | 266 | Machine *m; |
9b5ed6fe | 267 | size_t n, n_netif = 0; |
c3350683 | 268 | int r; |
1ee306e1 | 269 | |
c3350683 | 270 | assert(manager); |
89f7c846 LP |
271 | assert(message); |
272 | assert(_m); | |
1ee306e1 | 273 | |
c3350683 LP |
274 | r = sd_bus_message_read(message, "s", &name); |
275 | if (r < 0) | |
ebcf1f97 | 276 | return r; |
7f0d207d | 277 | if (!machine_name_is_valid(name)) |
ebcf1f97 | 278 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine name"); |
1ee306e1 | 279 | |
c3350683 LP |
280 | r = sd_bus_message_read_array(message, 'y', &v, &n); |
281 | if (r < 0) | |
ebcf1f97 | 282 | return r; |
1ee306e1 LP |
283 | if (n == 0) |
284 | id = SD_ID128_NULL; | |
285 | else if (n == 16) | |
286 | memcpy(&id, v, n); | |
287 | else | |
ebcf1f97 | 288 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine ID parameter"); |
1ee306e1 | 289 | |
c3350683 LP |
290 | r = sd_bus_message_read(message, "ssus", &service, &class, &leader, &root_directory); |
291 | if (r < 0) | |
ebcf1f97 | 292 | return r; |
1ee306e1 | 293 | |
9b5ed6fe LP |
294 | if (read_network) { |
295 | size_t i; | |
296 | ||
297 | r = sd_bus_message_read_array(message, 'i', (const void**) &netif, &n_netif); | |
298 | if (r < 0) | |
299 | return r; | |
300 | ||
301 | n_netif /= sizeof(int32_t); | |
302 | ||
303 | for (i = 0; i < n_netif; i++) { | |
304 | if (netif[i] <= 0) | |
305 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid network interface index %i", netif[i]); | |
306 | } | |
307 | } | |
308 | ||
1ee306e1 LP |
309 | if (isempty(class)) |
310 | c = _MACHINE_CLASS_INVALID; | |
311 | else { | |
312 | c = machine_class_from_string(class); | |
313 | if (c < 0) | |
ebcf1f97 | 314 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine class parameter"); |
1ee306e1 LP |
315 | } |
316 | ||
c3350683 | 317 | if (leader == 1) |
ebcf1f97 | 318 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID"); |
1ee306e1 | 319 | |
c3350683 | 320 | if (!isempty(root_directory) && !path_is_absolute(root_directory)) |
ebcf1f97 | 321 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Root directory must be empty or an absolute path"); |
1ee306e1 | 322 | |
c3350683 | 323 | if (leader == 0) { |
4afd3348 | 324 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
5b12334d LP |
325 | |
326 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
327 | if (r < 0) | |
328 | return r; | |
329 | ||
c3350683 | 330 | assert_cc(sizeof(uint32_t) == sizeof(pid_t)); |
554604b3 | 331 | |
5b12334d | 332 | r = sd_bus_creds_get_pid(creds, (pid_t*) &leader); |
c3350683 | 333 | if (r < 0) |
ebcf1f97 | 334 | return r; |
c3350683 | 335 | } |
554604b3 | 336 | |
1ee306e1 | 337 | if (hashmap_get(manager->machines, name)) |
ebcf1f97 | 338 | return sd_bus_error_setf(error, BUS_ERROR_MACHINE_EXISTS, "Machine '%s' already exists", name); |
1ee306e1 LP |
339 | |
340 | r = manager_add_machine(manager, name, &m); | |
341 | if (r < 0) | |
ebcf1f97 | 342 | return r; |
1ee306e1 LP |
343 | |
344 | m->leader = leader; | |
345 | m->class = c; | |
346 | m->id = id; | |
347 | ||
348 | if (!isempty(service)) { | |
349 | m->service = strdup(service); | |
350 | if (!m->service) { | |
ebcf1f97 | 351 | r = -ENOMEM; |
1ee306e1 LP |
352 | goto fail; |
353 | } | |
354 | } | |
355 | ||
356 | if (!isempty(root_directory)) { | |
357 | m->root_directory = strdup(root_directory); | |
358 | if (!m->root_directory) { | |
ebcf1f97 | 359 | r = -ENOMEM; |
1ee306e1 LP |
360 | goto fail; |
361 | } | |
362 | } | |
363 | ||
9b5ed6fe LP |
364 | if (n_netif > 0) { |
365 | assert_cc(sizeof(int32_t) == sizeof(int)); | |
366 | m->netif = memdup(netif, sizeof(int32_t) * n_netif); | |
367 | if (!m->netif) { | |
368 | r = -ENOMEM; | |
369 | goto fail; | |
370 | } | |
371 | ||
372 | m->n_netif = n_netif; | |
373 | } | |
374 | ||
89f7c846 LP |
375 | *_m = m; |
376 | ||
377 | return 1; | |
378 | ||
379 | fail: | |
380 | machine_add_to_gc_queue(m); | |
381 | return r; | |
382 | } | |
383 | ||
19070062 | 384 | static int method_create_machine_internal(sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) { |
89f7c846 LP |
385 | Manager *manager = userdata; |
386 | Machine *m = NULL; | |
387 | int r; | |
388 | ||
19070062 LP |
389 | assert(message); |
390 | assert(manager); | |
391 | ||
9b5ed6fe | 392 | r = method_create_or_register_machine(manager, message, read_network, &m, error); |
89f7c846 LP |
393 | if (r < 0) |
394 | return r; | |
395 | ||
396 | r = sd_bus_message_enter_container(message, 'a', "(sv)"); | |
397 | if (r < 0) | |
398 | goto fail; | |
399 | ||
ebcf1f97 LP |
400 | r = machine_start(m, message, error); |
401 | if (r < 0) | |
1ee306e1 LP |
402 | goto fail; |
403 | ||
c3350683 | 404 | m->create_message = sd_bus_message_ref(message); |
c3350683 | 405 | return 1; |
1ee306e1 LP |
406 | |
407 | fail: | |
a3e7f417 | 408 | machine_add_to_gc_queue(m); |
89f7c846 LP |
409 | return r; |
410 | } | |
1ee306e1 | 411 | |
19070062 LP |
412 | static int method_create_machine_with_network(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
413 | return method_create_machine_internal(message, true, userdata, error); | |
9b5ed6fe LP |
414 | } |
415 | ||
19070062 LP |
416 | static int method_create_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
417 | return method_create_machine_internal(message, false, userdata, error); | |
9b5ed6fe LP |
418 | } |
419 | ||
19070062 | 420 | static int method_register_machine_internal(sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) { |
89f7c846 LP |
421 | Manager *manager = userdata; |
422 | _cleanup_free_ char *p = NULL; | |
423 | Machine *m = NULL; | |
424 | int r; | |
425 | ||
19070062 LP |
426 | assert(message); |
427 | assert(manager); | |
428 | ||
9b5ed6fe | 429 | r = method_create_or_register_machine(manager, message, read_network, &m, error); |
89f7c846 LP |
430 | if (r < 0) |
431 | return r; | |
432 | ||
433 | r = cg_pid_get_unit(m->leader, &m->unit); | |
434 | if (r < 0) { | |
048c386e ZJS |
435 | r = sd_bus_error_set_errnof(error, r, |
436 | "Failed to determine unit of process "PID_FMT" : %m", | |
437 | m->leader); | |
89f7c846 LP |
438 | goto fail; |
439 | } | |
440 | ||
441 | r = machine_start(m, NULL, error); | |
442 | if (r < 0) | |
443 | goto fail; | |
444 | ||
445 | p = machine_bus_path(m); | |
446 | if (!p) { | |
447 | r = -ENOMEM; | |
448 | goto fail; | |
449 | } | |
450 | ||
451 | return sd_bus_reply_method_return(message, "o", p); | |
452 | ||
453 | fail: | |
454 | machine_add_to_gc_queue(m); | |
1ee306e1 LP |
455 | return r; |
456 | } | |
457 | ||
19070062 LP |
458 | static int method_register_machine_with_network(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
459 | return method_register_machine_internal(message, true, userdata, error); | |
9b5ed6fe LP |
460 | } |
461 | ||
19070062 LP |
462 | static int method_register_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
463 | return method_register_machine_internal(message, false, userdata, error); | |
9b5ed6fe LP |
464 | } |
465 | ||
19070062 | 466 | static int method_terminate_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1ee306e1 | 467 | Manager *m = userdata; |
c3350683 LP |
468 | Machine *machine; |
469 | const char *name; | |
1ee306e1 LP |
470 | int r; |
471 | ||
1ee306e1 LP |
472 | assert(message); |
473 | assert(m); | |
474 | ||
c3350683 LP |
475 | r = sd_bus_message_read(message, "s", &name); |
476 | if (r < 0) | |
ebcf1f97 | 477 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 478 | |
c3350683 LP |
479 | machine = hashmap_get(m->machines, name); |
480 | if (!machine) | |
ebcf1f97 | 481 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
1ee306e1 | 482 | |
19070062 | 483 | return bus_machine_method_terminate(message, machine, error); |
c3350683 | 484 | } |
1ee306e1 | 485 | |
19070062 | 486 | static int method_kill_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
487 | Manager *m = userdata; |
488 | Machine *machine; | |
489 | const char *name; | |
c3350683 | 490 | int r; |
1ee306e1 | 491 | |
c3350683 LP |
492 | assert(message); |
493 | assert(m); | |
1ee306e1 | 494 | |
878cd7e9 | 495 | r = sd_bus_message_read(message, "s", &name); |
c3350683 | 496 | if (r < 0) |
ebcf1f97 | 497 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 498 | |
c3350683 LP |
499 | machine = hashmap_get(m->machines, name); |
500 | if (!machine) | |
ebcf1f97 | 501 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
1ee306e1 | 502 | |
19070062 | 503 | return bus_machine_method_kill(message, machine, error); |
878cd7e9 LP |
504 | } |
505 | ||
19070062 | 506 | static int method_get_machine_addresses(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
878cd7e9 LP |
507 | Manager *m = userdata; |
508 | Machine *machine; | |
509 | const char *name; | |
510 | int r; | |
511 | ||
878cd7e9 LP |
512 | assert(message); |
513 | assert(m); | |
514 | ||
515 | r = sd_bus_message_read(message, "s", &name); | |
c3350683 | 516 | if (r < 0) |
ebcf1f97 | 517 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 518 | |
878cd7e9 LP |
519 | machine = hashmap_get(m->machines, name); |
520 | if (!machine) | |
521 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
522 | ||
19070062 | 523 | return bus_machine_method_get_addresses(message, machine, error); |
c3350683 | 524 | } |
1ee306e1 | 525 | |
19070062 | 526 | static int method_get_machine_os_release(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
717603e3 LP |
527 | Manager *m = userdata; |
528 | Machine *machine; | |
529 | const char *name; | |
530 | int r; | |
531 | ||
717603e3 LP |
532 | assert(message); |
533 | assert(m); | |
534 | ||
535 | r = sd_bus_message_read(message, "s", &name); | |
536 | if (r < 0) | |
537 | return sd_bus_error_set_errno(error, r); | |
538 | ||
539 | machine = hashmap_get(m->machines, name); | |
540 | if (!machine) | |
541 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
542 | ||
19070062 | 543 | return bus_machine_method_get_os_release(message, machine, error); |
717603e3 LP |
544 | } |
545 | ||
19070062 | 546 | static int method_list_images(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 547 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cd61c3bf LP |
548 | _cleanup_(image_hashmap_freep) Hashmap *images = NULL; |
549 | Manager *m = userdata; | |
550 | Image *image; | |
551 | Iterator i; | |
552 | int r; | |
553 | ||
cd61c3bf LP |
554 | assert(message); |
555 | assert(m); | |
556 | ||
557 | images = hashmap_new(&string_hash_ops); | |
558 | if (!images) | |
559 | return -ENOMEM; | |
560 | ||
561 | r = image_discover(images); | |
562 | if (r < 0) | |
563 | return r; | |
564 | ||
565 | r = sd_bus_message_new_method_return(message, &reply); | |
566 | if (r < 0) | |
567 | return r; | |
568 | ||
b6b18498 | 569 | r = sd_bus_message_open_container(reply, 'a', "(ssbttto)"); |
cd61c3bf LP |
570 | if (r < 0) |
571 | return r; | |
572 | ||
573 | HASHMAP_FOREACH(image, images, i) { | |
574 | _cleanup_free_ char *p = NULL; | |
575 | ||
576 | p = image_bus_path(image->name); | |
577 | if (!p) | |
578 | return -ENOMEM; | |
579 | ||
b6b18498 | 580 | r = sd_bus_message_append(reply, "(ssbttto)", |
cd61c3bf LP |
581 | image->name, |
582 | image_type_to_string(image->type), | |
583 | image->read_only, | |
10f9c755 LP |
584 | image->crtime, |
585 | image->mtime, | |
c19de711 | 586 | image->usage, |
cd61c3bf LP |
587 | p); |
588 | if (r < 0) | |
589 | return r; | |
590 | } | |
591 | ||
592 | r = sd_bus_message_close_container(reply); | |
593 | if (r < 0) | |
594 | return r; | |
595 | ||
9030ca46 | 596 | return sd_bus_send(NULL, reply, NULL); |
cd61c3bf LP |
597 | } |
598 | ||
19070062 | 599 | static int method_open_machine_pty(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
40205d70 LP |
600 | Manager *m = userdata; |
601 | Machine *machine; | |
602 | const char *name; | |
603 | int r; | |
604 | ||
40205d70 LP |
605 | assert(message); |
606 | assert(m); | |
607 | ||
608 | r = sd_bus_message_read(message, "s", &name); | |
609 | if (r < 0) | |
610 | return sd_bus_error_set_errno(error, r); | |
611 | ||
612 | machine = hashmap_get(m->machines, name); | |
613 | if (!machine) | |
614 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
615 | ||
19070062 | 616 | return bus_machine_method_open_pty(message, machine, error); |
40205d70 LP |
617 | } |
618 | ||
19070062 | 619 | static int method_open_machine_login(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
5f8cc96a LP |
620 | Manager *m = userdata; |
621 | Machine *machine; | |
622 | const char *name; | |
623 | int r; | |
624 | ||
5f8cc96a LP |
625 | assert(message); |
626 | assert(m); | |
627 | ||
628 | r = sd_bus_message_read(message, "s", &name); | |
629 | if (r < 0) | |
08682124 | 630 | return r; |
5f8cc96a LP |
631 | |
632 | machine = hashmap_get(m->machines, name); | |
633 | if (!machine) | |
634 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
635 | ||
19070062 | 636 | return bus_machine_method_open_login(message, machine, error); |
5f8cc96a LP |
637 | } |
638 | ||
49af9e13 LP |
639 | static int method_open_machine_shell(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
640 | Manager *m = userdata; | |
641 | Machine *machine; | |
642 | const char *name; | |
643 | ||
644 | int r; | |
645 | ||
646 | assert(message); | |
647 | assert(m); | |
648 | ||
649 | r = sd_bus_message_read(message, "s", &name); | |
650 | if (r < 0) | |
651 | return r; | |
652 | ||
653 | machine = hashmap_get(m->machines, name); | |
654 | if (!machine) | |
655 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
656 | ||
657 | return bus_machine_method_open_shell(message, machine, error); | |
658 | } | |
659 | ||
19070062 | 660 | static int method_bind_mount_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
90adaa25 LP |
661 | Manager *m = userdata; |
662 | Machine *machine; | |
663 | const char *name; | |
664 | int r; | |
665 | ||
90adaa25 LP |
666 | assert(message); |
667 | assert(m); | |
668 | ||
669 | r = sd_bus_message_read(message, "s", &name); | |
670 | if (r < 0) | |
671 | return r; | |
672 | ||
673 | machine = hashmap_get(m->machines, name); | |
674 | if (!machine) | |
675 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
676 | ||
19070062 | 677 | return bus_machine_method_bind_mount(message, machine, error); |
90adaa25 LP |
678 | } |
679 | ||
19070062 | 680 | static int method_copy_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
0370612e LP |
681 | Manager *m = userdata; |
682 | Machine *machine; | |
683 | const char *name; | |
684 | int r; | |
685 | ||
0370612e LP |
686 | assert(message); |
687 | assert(m); | |
688 | ||
689 | r = sd_bus_message_read(message, "s", &name); | |
690 | if (r < 0) | |
691 | return r; | |
692 | ||
693 | machine = hashmap_get(m->machines, name); | |
694 | if (!machine) | |
695 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
696 | ||
19070062 | 697 | return bus_machine_method_copy(message, machine, error); |
0370612e LP |
698 | } |
699 | ||
ae203207 LP |
700 | static int method_open_machine_root_directory(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
701 | Manager *m = userdata; | |
702 | Machine *machine; | |
703 | const char *name; | |
704 | int r; | |
705 | ||
706 | assert(message); | |
707 | assert(m); | |
708 | ||
709 | r = sd_bus_message_read(message, "s", &name); | |
710 | if (r < 0) | |
711 | return r; | |
712 | ||
713 | machine = hashmap_get(m->machines, name); | |
714 | if (!machine) | |
715 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
716 | ||
717 | return bus_machine_method_open_root_directory(message, machine, error); | |
718 | } | |
719 | ||
3401419b LP |
720 | static int method_get_machine_uid_shift(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
721 | Manager *m = userdata; | |
722 | Machine *machine; | |
723 | const char *name; | |
724 | int r; | |
725 | ||
726 | assert(message); | |
727 | assert(m); | |
728 | ||
729 | r = sd_bus_message_read(message, "s", &name); | |
730 | if (r < 0) | |
731 | return r; | |
732 | ||
733 | machine = hashmap_get(m->machines, name); | |
734 | if (!machine) | |
735 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
736 | ||
737 | return bus_machine_method_get_uid_shift(message, machine, error); | |
738 | } | |
739 | ||
19070062 | 740 | static int method_remove_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
08682124 LP |
741 | _cleanup_(image_unrefp) Image* i = NULL; |
742 | const char *name; | |
743 | int r; | |
744 | ||
08682124 LP |
745 | assert(message); |
746 | ||
747 | r = sd_bus_message_read(message, "s", &name); | |
748 | if (r < 0) | |
749 | return r; | |
750 | ||
751 | if (!image_name_is_valid(name)) | |
752 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
753 | ||
754 | r = image_find(name, &i); | |
755 | if (r < 0) | |
756 | return r; | |
757 | if (r == 0) | |
758 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
759 | ||
70244d1d | 760 | i->userdata = userdata; |
19070062 | 761 | return bus_image_method_remove(message, i, error); |
08682124 LP |
762 | } |
763 | ||
19070062 | 764 | static int method_rename_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
ebd93cb6 | 765 | _cleanup_(image_unrefp) Image* i = NULL; |
1ddb263d | 766 | const char *old_name; |
ebd93cb6 LP |
767 | int r; |
768 | ||
ebd93cb6 LP |
769 | assert(message); |
770 | ||
1ddb263d | 771 | r = sd_bus_message_read(message, "s", &old_name); |
ebd93cb6 LP |
772 | if (r < 0) |
773 | return r; | |
774 | ||
775 | if (!image_name_is_valid(old_name)) | |
776 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", old_name); | |
ebd93cb6 LP |
777 | |
778 | r = image_find(old_name, &i); | |
779 | if (r < 0) | |
780 | return r; | |
781 | if (r == 0) | |
782 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", old_name); | |
783 | ||
70244d1d | 784 | i->userdata = userdata; |
19070062 | 785 | return bus_image_method_rename(message, i, error); |
ebd93cb6 LP |
786 | } |
787 | ||
19070062 | 788 | static int method_clone_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
ebd93cb6 | 789 | _cleanup_(image_unrefp) Image *i = NULL; |
1ddb263d LP |
790 | const char *old_name; |
791 | int r; | |
ebd93cb6 | 792 | |
19070062 LP |
793 | assert(message); |
794 | ||
1ddb263d | 795 | r = sd_bus_message_read(message, "s", &old_name); |
ebd93cb6 LP |
796 | if (r < 0) |
797 | return r; | |
798 | ||
799 | if (!image_name_is_valid(old_name)) | |
800 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", old_name); | |
ebd93cb6 LP |
801 | |
802 | r = image_find(old_name, &i); | |
803 | if (r < 0) | |
804 | return r; | |
805 | if (r == 0) | |
806 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", old_name); | |
807 | ||
70244d1d | 808 | i->userdata = userdata; |
19070062 | 809 | return bus_image_method_clone(message, i, error); |
ebd93cb6 LP |
810 | } |
811 | ||
19070062 | 812 | static int method_mark_image_read_only(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
ebd93cb6 LP |
813 | _cleanup_(image_unrefp) Image *i = NULL; |
814 | const char *name; | |
1ddb263d | 815 | int r; |
ebd93cb6 | 816 | |
19070062 LP |
817 | assert(message); |
818 | ||
1ddb263d | 819 | r = sd_bus_message_read(message, "s", &name); |
ebd93cb6 LP |
820 | if (r < 0) |
821 | return r; | |
822 | ||
823 | if (!image_name_is_valid(name)) | |
824 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
825 | ||
826 | r = image_find(name, &i); | |
827 | if (r < 0) | |
828 | return r; | |
829 | if (r == 0) | |
830 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
831 | ||
70244d1d | 832 | i->userdata = userdata; |
19070062 | 833 | return bus_image_method_mark_read_only(message, i, error); |
ebd93cb6 LP |
834 | } |
835 | ||
cf30a8c1 LP |
836 | static int method_get_image_hostname(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
837 | _cleanup_(image_unrefp) Image *i = NULL; | |
838 | const char *name; | |
839 | int r; | |
840 | ||
841 | assert(message); | |
842 | ||
843 | r = sd_bus_message_read(message, "s", &name); | |
844 | if (r < 0) | |
845 | return r; | |
846 | ||
847 | if (!image_name_is_valid(name)) | |
848 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
849 | ||
850 | r = image_find(name, &i); | |
851 | if (r < 0) | |
852 | return r; | |
853 | if (r == 0) | |
854 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
855 | ||
856 | i->userdata = userdata; | |
857 | return bus_image_method_get_hostname(message, i, error); | |
858 | } | |
859 | ||
860 | static int method_get_image_machine_id(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
861 | _cleanup_(image_unrefp) Image *i = NULL; | |
862 | const char *name; | |
863 | int r; | |
864 | ||
865 | assert(message); | |
866 | ||
867 | r = sd_bus_message_read(message, "s", &name); | |
868 | if (r < 0) | |
869 | return r; | |
870 | ||
871 | if (!image_name_is_valid(name)) | |
872 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
873 | ||
874 | r = image_find(name, &i); | |
875 | if (r < 0) | |
876 | return r; | |
877 | if (r == 0) | |
878 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
879 | ||
880 | i->userdata = userdata; | |
881 | return bus_image_method_get_machine_id(message, i, error); | |
882 | } | |
883 | ||
884 | static int method_get_image_machine_info(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
885 | _cleanup_(image_unrefp) Image *i = NULL; | |
886 | const char *name; | |
887 | int r; | |
888 | ||
889 | assert(message); | |
890 | ||
891 | r = sd_bus_message_read(message, "s", &name); | |
892 | if (r < 0) | |
893 | return r; | |
894 | ||
895 | if (!image_name_is_valid(name)) | |
896 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
897 | ||
898 | r = image_find(name, &i); | |
899 | if (r < 0) | |
900 | return r; | |
901 | if (r == 0) | |
902 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
903 | ||
904 | i->userdata = userdata; | |
905 | return bus_image_method_get_machine_info(message, i, error); | |
906 | } | |
907 | ||
9153b02b LP |
908 | static int method_get_image_os_release(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
909 | _cleanup_(image_unrefp) Image *i = NULL; | |
910 | const char *name; | |
911 | int r; | |
912 | ||
913 | assert(message); | |
914 | ||
915 | r = sd_bus_message_read(message, "s", &name); | |
916 | if (r < 0) | |
917 | return r; | |
918 | ||
919 | if (!image_name_is_valid(name)) | |
920 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
921 | ||
922 | r = image_find(name, &i); | |
923 | if (r < 0) | |
924 | return r; | |
925 | if (r == 0) | |
926 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
927 | ||
928 | i->userdata = userdata; | |
929 | return bus_image_method_get_os_release(message, i, error); | |
930 | } | |
931 | ||
03c2b288 LP |
932 | static int clean_pool_done(Operation *operation, int ret, sd_bus_error *error) { |
933 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
934 | _cleanup_fclose_ FILE *f = NULL; | |
935 | bool success; | |
936 | size_t n; | |
937 | int r; | |
938 | ||
939 | assert(operation); | |
940 | assert(operation->extra_fd >= 0); | |
941 | ||
942 | if (lseek(operation->extra_fd, 0, SEEK_SET) == (off_t) -1) | |
943 | return -errno; | |
944 | ||
945 | f = fdopen(operation->extra_fd, "re"); | |
946 | if (!f) | |
947 | return -errno; | |
948 | ||
949 | operation->extra_fd = -1; | |
950 | ||
951 | /* The resulting temporary file starts with a boolean value that indicates success or not. */ | |
952 | errno = 0; | |
953 | n = fread(&success, 1, sizeof(success), f); | |
954 | if (n != sizeof(success)) | |
955 | return ret < 0 ? ret : (errno != 0 ? -errno : -EIO); | |
956 | ||
957 | if (ret < 0) { | |
958 | _cleanup_free_ char *name = NULL; | |
959 | ||
960 | /* The clean-up operation failed. In this case the resulting temporary file should contain a boolean | |
961 | * set to false followed by the name of the failed image. Let's try to read this and use it for the | |
962 | * error message. If we can't read it, don't mind, and return the naked error. */ | |
963 | ||
964 | if (success) /* The resulting temporary file could not be updated, ignore it. */ | |
965 | return ret; | |
966 | ||
967 | r = read_nul_string(f, &name); | |
968 | if (r < 0 || isempty(name)) /* Same here... */ | |
969 | return ret; | |
970 | ||
971 | return sd_bus_error_set_errnof(error, ret, "Failed to remove image %s: %m", name); | |
972 | } | |
973 | ||
974 | assert(success); | |
975 | ||
976 | r = sd_bus_message_new_method_return(operation->message, &reply); | |
977 | if (r < 0) | |
978 | return r; | |
979 | ||
980 | r = sd_bus_message_open_container(reply, 'a', "(st)"); | |
981 | if (r < 0) | |
982 | return r; | |
983 | ||
984 | /* On success the resulting temporary file will contain a list of image names that were removed followed by | |
985 | * their size on disk. Let's read that and turn it into a bus message. */ | |
986 | for (;;) { | |
987 | _cleanup_free_ char *name = NULL; | |
988 | uint64_t size; | |
989 | ||
990 | r = read_nul_string(f, &name); | |
991 | if (r < 0) | |
992 | return r; | |
993 | if (isempty(name)) /* reached the end */ | |
994 | break; | |
995 | ||
996 | errno = 0; | |
997 | n = fread(&size, 1, sizeof(size), f); | |
998 | if (n != sizeof(size)) | |
999 | return errno != 0 ? -errno : -EIO; | |
1000 | ||
1001 | r = sd_bus_message_append(reply, "(st)", name, size); | |
1002 | if (r < 0) | |
1003 | return r; | |
1004 | } | |
1005 | ||
1006 | r = sd_bus_message_close_container(reply); | |
1007 | if (r < 0) | |
1008 | return r; | |
1009 | ||
1010 | return sd_bus_send(NULL, reply, NULL); | |
1011 | } | |
1012 | ||
d94c2b06 LP |
1013 | static int method_clean_pool(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1014 | enum { | |
1015 | REMOVE_ALL, | |
1016 | REMOVE_HIDDEN, | |
1017 | } mode; | |
1018 | ||
03c2b288 LP |
1019 | _cleanup_close_pair_ int errno_pipe_fd[2] = { -1, -1 }; |
1020 | _cleanup_close_ int result_fd = -1; | |
d94c2b06 | 1021 | Manager *m = userdata; |
03c2b288 | 1022 | Operation *operation; |
d94c2b06 | 1023 | const char *mm; |
03c2b288 | 1024 | pid_t child; |
d94c2b06 LP |
1025 | int r; |
1026 | ||
1027 | assert(message); | |
1028 | ||
03c2b288 LP |
1029 | if (m->n_operations >= OPERATIONS_MAX) |
1030 | return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Too many ongoing operations."); | |
1031 | ||
d94c2b06 LP |
1032 | r = sd_bus_message_read(message, "s", &mm); |
1033 | if (r < 0) | |
1034 | return r; | |
1035 | ||
1036 | if (streq(mm, "all")) | |
1037 | mode = REMOVE_ALL; | |
1038 | else if (streq(mm, "hidden")) | |
1039 | mode = REMOVE_HIDDEN; | |
1040 | else | |
1041 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown mode '%s'.", mm); | |
1042 | ||
1043 | r = bus_verify_polkit_async( | |
1044 | message, | |
1045 | CAP_SYS_ADMIN, | |
1046 | "org.freedesktop.machine1.manage-machines", | |
1047 | NULL, | |
1048 | false, | |
1049 | UID_INVALID, | |
1050 | &m->polkit_registry, | |
1051 | error); | |
1052 | if (r < 0) | |
1053 | return r; | |
1054 | if (r == 0) | |
1055 | return 1; /* Will call us back */ | |
1056 | ||
03c2b288 LP |
1057 | if (pipe2(errno_pipe_fd, O_CLOEXEC|O_NONBLOCK) < 0) |
1058 | return sd_bus_error_set_errnof(error, errno, "Failed to create pipe: %m"); | |
d94c2b06 | 1059 | |
03c2b288 LP |
1060 | /* Create a temporary file we can dump information about deleted images into. We use a temporary file for this |
1061 | * instead of a pipe or so, since this might grow quit large in theory and we don't want to process this | |
595bfe7d | 1062 | * continuously */ |
992e8f22 | 1063 | result_fd = open_tmpfile_unlinkable(NULL, O_RDWR|O_CLOEXEC); |
03c2b288 LP |
1064 | if (result_fd < 0) |
1065 | return -errno; | |
d94c2b06 | 1066 | |
03c2b288 | 1067 | /* This might be a slow operation, run it asynchronously in a background process */ |
4c253ed1 LP |
1068 | r = safe_fork("(sd-clean)", FORK_RESET_SIGNALS, &child); |
1069 | if (r < 0) | |
1070 | return sd_bus_error_set_errnof(error, r, "Failed to fork(): %m"); | |
1071 | if (r == 0) { | |
03c2b288 LP |
1072 | _cleanup_(image_hashmap_freep) Hashmap *images = NULL; |
1073 | bool success = true; | |
1074 | Image *image; | |
1075 | Iterator i; | |
1076 | ssize_t l; | |
d94c2b06 | 1077 | |
03c2b288 | 1078 | errno_pipe_fd[0] = safe_close(errno_pipe_fd[0]); |
d94c2b06 | 1079 | |
03c2b288 LP |
1080 | images = hashmap_new(&string_hash_ops); |
1081 | if (!images) { | |
1082 | r = -ENOMEM; | |
1083 | goto child_fail; | |
1084 | } | |
d94c2b06 | 1085 | |
03c2b288 LP |
1086 | r = image_discover(images); |
1087 | if (r < 0) | |
1088 | goto child_fail; | |
d94c2b06 | 1089 | |
03c2b288 LP |
1090 | l = write(result_fd, &success, sizeof(success)); |
1091 | if (l < 0) { | |
1092 | r = -errno; | |
1093 | goto child_fail; | |
1094 | } | |
d94c2b06 | 1095 | |
03c2b288 LP |
1096 | HASHMAP_FOREACH(image, images, i) { |
1097 | ||
1098 | /* We can't remove vendor images (i.e. those in /usr) */ | |
1099 | if (IMAGE_IS_VENDOR(image)) | |
1100 | continue; | |
1101 | ||
1102 | if (IMAGE_IS_HOST(image)) | |
1103 | continue; | |
1104 | ||
1105 | if (mode == REMOVE_HIDDEN && !IMAGE_IS_HIDDEN(image)) | |
1106 | continue; | |
1107 | ||
1108 | r = image_remove(image); | |
1109 | if (r == -EBUSY) /* keep images that are currently being used. */ | |
1110 | continue; | |
1111 | if (r < 0) { | |
1112 | /* If the operation failed, let's override everything we wrote, and instead write there at which image we failed. */ | |
1113 | success = false; | |
1114 | (void) ftruncate(result_fd, 0); | |
1115 | (void) lseek(result_fd, 0, SEEK_SET); | |
1116 | (void) write(result_fd, &success, sizeof(success)); | |
1117 | (void) write(result_fd, image->name, strlen(image->name)+1); | |
1118 | goto child_fail; | |
1119 | } | |
1120 | ||
1121 | l = write(result_fd, image->name, strlen(image->name)+1); | |
1122 | if (l < 0) { | |
1123 | r = -errno; | |
1124 | goto child_fail; | |
1125 | } | |
1126 | ||
1127 | l = write(result_fd, &image->usage_exclusive, sizeof(image->usage_exclusive)); | |
1128 | if (l < 0) { | |
1129 | r = -errno; | |
1130 | goto child_fail; | |
1131 | } | |
1132 | } | |
d94c2b06 | 1133 | |
03c2b288 LP |
1134 | result_fd = safe_close(result_fd); |
1135 | _exit(EXIT_SUCCESS); | |
1136 | ||
1137 | child_fail: | |
1138 | (void) write(errno_pipe_fd[1], &r, sizeof(r)); | |
1139 | _exit(EXIT_FAILURE); | |
d94c2b06 LP |
1140 | } |
1141 | ||
03c2b288 LP |
1142 | errno_pipe_fd[1] = safe_close(errno_pipe_fd[1]); |
1143 | ||
1144 | /* The clean-up might take a while, hence install a watch on the child and return */ | |
1145 | ||
1146 | r = operation_new(m, NULL, child, message, errno_pipe_fd[0], &operation); | |
1147 | if (r < 0) { | |
1148 | (void) sigkill_wait(child); | |
d94c2b06 | 1149 | return r; |
03c2b288 | 1150 | } |
d94c2b06 | 1151 | |
03c2b288 LP |
1152 | operation->extra_fd = result_fd; |
1153 | operation->done = clean_pool_done; | |
1154 | ||
1155 | result_fd = -1; | |
1156 | errno_pipe_fd[0] = -1; | |
1157 | ||
1158 | return 1; | |
d94c2b06 LP |
1159 | } |
1160 | ||
19070062 | 1161 | static int method_set_pool_limit(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
d6ce17c7 LP |
1162 | Manager *m = userdata; |
1163 | uint64_t limit; | |
1164 | int r; | |
1165 | ||
19070062 LP |
1166 | assert(message); |
1167 | ||
d6ce17c7 LP |
1168 | r = sd_bus_message_read(message, "t", &limit); |
1169 | if (r < 0) | |
1170 | return r; | |
a90fb858 LP |
1171 | if (!FILE_SIZE_VALID_OR_INFINITY(limit)) |
1172 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "New limit out of range"); | |
d6ce17c7 LP |
1173 | |
1174 | r = bus_verify_polkit_async( | |
1175 | message, | |
1176 | CAP_SYS_ADMIN, | |
1177 | "org.freedesktop.machine1.manage-machines", | |
403ed0e5 | 1178 | NULL, |
d6ce17c7 LP |
1179 | false, |
1180 | UID_INVALID, | |
1181 | &m->polkit_registry, | |
1182 | error); | |
1183 | if (r < 0) | |
1184 | return r; | |
1185 | if (r == 0) | |
1186 | return 1; /* Will call us back */ | |
1187 | ||
4cee5eed LP |
1188 | /* Set up the machine directory if necessary */ |
1189 | r = setup_machine_directory(limit, error); | |
1190 | if (r < 0) | |
1191 | return r; | |
1192 | ||
05e8f270 LP |
1193 | /* Resize the backing loopback device, if there is one, except if we asked to drop any limit */ |
1194 | if (limit != (uint64_t) -1) { | |
1195 | r = btrfs_resize_loopback("/var/lib/machines", limit, false); | |
1196 | if (r == -ENOTTY) | |
1197 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Quota is only supported on btrfs."); | |
1198 | if (r < 0 && r != -ENODEV) /* ignore ENODEV, as that's what is returned if the file system is not on loopback */ | |
1199 | return sd_bus_error_set_errnof(error, r, "Failed to adjust loopback limit: %m"); | |
1200 | } | |
efe02862 | 1201 | |
5bcd08db LP |
1202 | (void) btrfs_qgroup_set_limit("/var/lib/machines", 0, limit); |
1203 | ||
1204 | r = btrfs_subvol_set_subtree_quota_limit("/var/lib/machines", 0, limit); | |
d6ce17c7 LP |
1205 | if (r == -ENOTTY) |
1206 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Quota is only supported on btrfs."); | |
26166c88 | 1207 | if (r < 0) |
d6ce17c7 LP |
1208 | return sd_bus_error_set_errnof(error, r, "Failed to adjust quota limit: %m"); |
1209 | ||
1210 | return sd_bus_reply_method_return(message, NULL); | |
1211 | } | |
1212 | ||
19070062 | 1213 | static int method_set_image_limit(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
d6ce17c7 LP |
1214 | _cleanup_(image_unrefp) Image *i = NULL; |
1215 | const char *name; | |
1216 | int r; | |
1217 | ||
19070062 LP |
1218 | assert(message); |
1219 | ||
d6ce17c7 LP |
1220 | r = sd_bus_message_read(message, "s", &name); |
1221 | if (r < 0) | |
1222 | return r; | |
1223 | ||
1224 | if (!image_name_is_valid(name)) | |
1225 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
1226 | ||
1227 | r = image_find(name, &i); | |
1228 | if (r < 0) | |
1229 | return r; | |
1230 | if (r == 0) | |
1231 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
1232 | ||
1233 | i->userdata = userdata; | |
19070062 | 1234 | return bus_image_method_set_limit(message, i, error); |
d6ce17c7 LP |
1235 | } |
1236 | ||
c01ff965 LP |
1237 | static int method_map_from_machine_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1238 | _cleanup_fclose_ FILE *f = NULL; | |
1239 | Manager *m = userdata; | |
1240 | const char *name, *p; | |
1241 | Machine *machine; | |
1242 | uint32_t uid; | |
1243 | int r; | |
1244 | ||
1245 | r = sd_bus_message_read(message, "su", &name, &uid); | |
1246 | if (r < 0) | |
1247 | return r; | |
1248 | ||
c077529b | 1249 | if (!uid_is_valid(uid)) |
c01ff965 LP |
1250 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
1251 | ||
1252 | machine = hashmap_get(m->machines, name); | |
1253 | if (!machine) | |
1254 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
1255 | ||
a79366e2 LP |
1256 | if (machine->class != MACHINE_CONTAINER) |
1257 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Not supported for non-container machines."); | |
1258 | ||
c01ff965 LP |
1259 | p = procfs_file_alloca(machine->leader, "uid_map"); |
1260 | f = fopen(p, "re"); | |
1261 | if (!f) | |
1262 | return -errno; | |
1263 | ||
1264 | for (;;) { | |
1265 | uid_t uid_base, uid_shift, uid_range, converted; | |
1266 | int k; | |
1267 | ||
1268 | errno = 0; | |
1269 | k = fscanf(f, UID_FMT " " UID_FMT " " UID_FMT, &uid_base, &uid_shift, &uid_range); | |
1270 | if (k < 0 && feof(f)) | |
1271 | break; | |
1272 | if (k != 3) { | |
b3267152 | 1273 | if (ferror(f) && errno > 0) |
c01ff965 LP |
1274 | return -errno; |
1275 | ||
1276 | return -EIO; | |
1277 | } | |
1278 | ||
1279 | if (uid < uid_base || uid >= uid_base + uid_range) | |
1280 | continue; | |
1281 | ||
1282 | converted = uid - uid_base + uid_shift; | |
c077529b | 1283 | if (!uid_is_valid(converted)) |
c01ff965 LP |
1284 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
1285 | ||
1286 | return sd_bus_reply_method_return(message, "u", (uint32_t) converted); | |
1287 | } | |
1288 | ||
1289 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "Machine '%s' has no matching user mappings.", name); | |
1290 | } | |
1291 | ||
1292 | static int method_map_to_machine_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
1293 | Manager *m = userdata; | |
1294 | Machine *machine; | |
1295 | uid_t uid; | |
1296 | Iterator i; | |
1297 | int r; | |
1298 | ||
1299 | r = sd_bus_message_read(message, "u", &uid); | |
1300 | if (r < 0) | |
1301 | return r; | |
c077529b | 1302 | if (!uid_is_valid(uid)) |
c01ff965 LP |
1303 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
1304 | if (uid < 0x10000) | |
1305 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "User " UID_FMT " belongs to host UID range", uid); | |
1306 | ||
1307 | HASHMAP_FOREACH(machine, m->machines, i) { | |
1308 | _cleanup_fclose_ FILE *f = NULL; | |
fbd0b64f | 1309 | char p[STRLEN("/proc//uid_map") + DECIMAL_STR_MAX(pid_t) + 1]; |
c01ff965 | 1310 | |
a79366e2 LP |
1311 | if (machine->class != MACHINE_CONTAINER) |
1312 | continue; | |
1313 | ||
c01ff965 LP |
1314 | xsprintf(p, "/proc/" UID_FMT "/uid_map", machine->leader); |
1315 | f = fopen(p, "re"); | |
1316 | if (!f) { | |
fe4a1d0f | 1317 | log_warning_errno(errno, "Failed to open %s, ignoring,", p); |
c01ff965 LP |
1318 | continue; |
1319 | } | |
1320 | ||
1321 | for (;;) { | |
1322 | _cleanup_free_ char *o = NULL; | |
1323 | uid_t uid_base, uid_shift, uid_range, converted; | |
1324 | int k; | |
1325 | ||
1326 | errno = 0; | |
1327 | k = fscanf(f, UID_FMT " " UID_FMT " " UID_FMT, &uid_base, &uid_shift, &uid_range); | |
1328 | if (k < 0 && feof(f)) | |
1329 | break; | |
1330 | if (k != 3) { | |
b3267152 | 1331 | if (ferror(f) && errno > 0) |
c01ff965 LP |
1332 | return -errno; |
1333 | ||
1334 | return -EIO; | |
1335 | } | |
1336 | ||
1337 | if (uid < uid_shift || uid >= uid_shift + uid_range) | |
1338 | continue; | |
1339 | ||
1340 | converted = (uid - uid_shift + uid_base); | |
c077529b | 1341 | if (!uid_is_valid(converted)) |
c01ff965 LP |
1342 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
1343 | ||
1344 | o = machine_bus_path(machine); | |
1345 | if (!o) | |
1346 | return -ENOMEM; | |
1347 | ||
1348 | return sd_bus_reply_method_return(message, "sou", machine->name, o, (uint32_t) converted); | |
1349 | } | |
1350 | } | |
1351 | ||
1352 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "No matching user mapping for " UID_FMT ".", uid); | |
1353 | } | |
1354 | ||
1355 | static int method_map_from_machine_group(sd_bus_message *message, void *groupdata, sd_bus_error *error) { | |
1356 | _cleanup_fclose_ FILE *f = NULL; | |
1357 | Manager *m = groupdata; | |
1358 | const char *name, *p; | |
1359 | Machine *machine; | |
1360 | uint32_t gid; | |
1361 | int r; | |
1362 | ||
1363 | r = sd_bus_message_read(message, "su", &name, &gid); | |
1364 | if (r < 0) | |
1365 | return r; | |
1366 | ||
c077529b | 1367 | if (!gid_is_valid(gid)) |
c01ff965 LP |
1368 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1369 | ||
1370 | machine = hashmap_get(m->machines, name); | |
1371 | if (!machine) | |
1372 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
1373 | ||
a79366e2 LP |
1374 | if (machine->class != MACHINE_CONTAINER) |
1375 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Not supported for non-container machines."); | |
1376 | ||
c01ff965 LP |
1377 | p = procfs_file_alloca(machine->leader, "gid_map"); |
1378 | f = fopen(p, "re"); | |
1379 | if (!f) | |
1380 | return -errno; | |
1381 | ||
1382 | for (;;) { | |
1383 | gid_t gid_base, gid_shift, gid_range, converted; | |
1384 | int k; | |
1385 | ||
1386 | errno = 0; | |
1387 | k = fscanf(f, GID_FMT " " GID_FMT " " GID_FMT, &gid_base, &gid_shift, &gid_range); | |
1388 | if (k < 0 && feof(f)) | |
1389 | break; | |
1390 | if (k != 3) { | |
b3267152 | 1391 | if (ferror(f) && errno > 0) |
c01ff965 LP |
1392 | return -errno; |
1393 | ||
1394 | return -EIO; | |
1395 | } | |
1396 | ||
1397 | if (gid < gid_base || gid >= gid_base + gid_range) | |
1398 | continue; | |
1399 | ||
1400 | converted = gid - gid_base + gid_shift; | |
c077529b | 1401 | if (!gid_is_valid(converted)) |
c01ff965 LP |
1402 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1403 | ||
1404 | return sd_bus_reply_method_return(message, "u", (uint32_t) converted); | |
1405 | } | |
1406 | ||
1407 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "Machine '%s' has no matching group mappings.", name); | |
1408 | } | |
1409 | ||
1410 | static int method_map_to_machine_group(sd_bus_message *message, void *groupdata, sd_bus_error *error) { | |
1411 | Manager *m = groupdata; | |
1412 | Machine *machine; | |
1413 | gid_t gid; | |
1414 | Iterator i; | |
1415 | int r; | |
1416 | ||
1417 | r = sd_bus_message_read(message, "u", &gid); | |
1418 | if (r < 0) | |
1419 | return r; | |
c077529b | 1420 | if (!gid_is_valid(gid)) |
c01ff965 LP |
1421 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1422 | if (gid < 0x10000) | |
1423 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "Group " GID_FMT " belongs to host GID range", gid); | |
1424 | ||
1425 | HASHMAP_FOREACH(machine, m->machines, i) { | |
1426 | _cleanup_fclose_ FILE *f = NULL; | |
fbd0b64f | 1427 | char p[STRLEN("/proc//gid_map") + DECIMAL_STR_MAX(pid_t) + 1]; |
c01ff965 | 1428 | |
a79366e2 LP |
1429 | if (machine->class != MACHINE_CONTAINER) |
1430 | continue; | |
1431 | ||
c01ff965 LP |
1432 | xsprintf(p, "/proc/" GID_FMT "/gid_map", machine->leader); |
1433 | f = fopen(p, "re"); | |
1434 | if (!f) { | |
fe4a1d0f | 1435 | log_warning_errno(errno, "Failed to open %s, ignoring,", p); |
c01ff965 LP |
1436 | continue; |
1437 | } | |
1438 | ||
1439 | for (;;) { | |
1440 | _cleanup_free_ char *o = NULL; | |
1441 | gid_t gid_base, gid_shift, gid_range, converted; | |
1442 | int k; | |
1443 | ||
1444 | errno = 0; | |
1445 | k = fscanf(f, GID_FMT " " GID_FMT " " GID_FMT, &gid_base, &gid_shift, &gid_range); | |
1446 | if (k < 0 && feof(f)) | |
1447 | break; | |
1448 | if (k != 3) { | |
b3267152 | 1449 | if (ferror(f) && errno > 0) |
c01ff965 LP |
1450 | return -errno; |
1451 | ||
1452 | return -EIO; | |
1453 | } | |
1454 | ||
1455 | if (gid < gid_shift || gid >= gid_shift + gid_range) | |
1456 | continue; | |
1457 | ||
1458 | converted = (gid - gid_shift + gid_base); | |
c077529b | 1459 | if (!gid_is_valid(converted)) |
c01ff965 LP |
1460 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1461 | ||
1462 | o = machine_bus_path(machine); | |
1463 | if (!o) | |
1464 | return -ENOMEM; | |
1465 | ||
1466 | return sd_bus_reply_method_return(message, "sou", machine->name, o, (uint32_t) converted); | |
1467 | } | |
1468 | } | |
1469 | ||
1470 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "No matching group mapping for " GID_FMT ".", gid); | |
1471 | } | |
1472 | ||
c3350683 LP |
1473 | const sd_bus_vtable manager_vtable[] = { |
1474 | SD_BUS_VTABLE_START(0), | |
160e3793 LP |
1475 | SD_BUS_PROPERTY("PoolPath", "s", property_get_pool_path, 0, 0), |
1476 | SD_BUS_PROPERTY("PoolUsage", "t", property_get_pool_usage, 0, 0), | |
1477 | SD_BUS_PROPERTY("PoolLimit", "t", property_get_pool_limit, 0, 0), | |
adacb957 | 1478 | SD_BUS_METHOD("GetMachine", "s", "o", method_get_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
c2ce6a3d | 1479 | SD_BUS_METHOD("GetImage", "s", "o", method_get_image, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
1480 | SD_BUS_METHOD("GetMachineByPID", "u", "o", method_get_machine_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), |
1481 | SD_BUS_METHOD("ListMachines", NULL, "a(ssso)", method_list_machines, SD_BUS_VTABLE_UNPRIVILEGED), | |
b6b18498 | 1482 | SD_BUS_METHOD("ListImages", NULL, "a(ssbttto)", method_list_images, SD_BUS_VTABLE_UNPRIVILEGED), |
c3350683 | 1483 | SD_BUS_METHOD("CreateMachine", "sayssusa(sv)", "o", method_create_machine, 0), |
9b5ed6fe | 1484 | SD_BUS_METHOD("CreateMachineWithNetwork", "sayssusaia(sv)", "o", method_create_machine_with_network, 0), |
8d07a7c4 | 1485 | SD_BUS_METHOD("RegisterMachine", "sayssus", "o", method_register_machine, 0), |
9b5ed6fe | 1486 | SD_BUS_METHOD("RegisterMachineWithNetwork", "sayssusai", "o", method_register_machine_with_network, 0), |
70244d1d LP |
1487 | SD_BUS_METHOD("TerminateMachine", "s", NULL, method_terminate_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
1488 | SD_BUS_METHOD("KillMachine", "ssi", NULL, method_kill_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
3a6fb33c | 1489 | SD_BUS_METHOD("GetMachineAddresses", "s", "a(iay)", method_get_machine_addresses, SD_BUS_VTABLE_UNPRIVILEGED), |
717603e3 | 1490 | SD_BUS_METHOD("GetMachineOSRelease", "s", "a{ss}", method_get_machine_os_release, SD_BUS_VTABLE_UNPRIVILEGED), |
40205d70 | 1491 | SD_BUS_METHOD("OpenMachinePTY", "s", "hs", method_open_machine_pty, 0), |
d04c1fb8 | 1492 | SD_BUS_METHOD("OpenMachineLogin", "s", "hs", method_open_machine_login, SD_BUS_VTABLE_UNPRIVILEGED), |
49af9e13 | 1493 | SD_BUS_METHOD("OpenMachineShell", "sssasas", "hs", method_open_machine_shell, SD_BUS_VTABLE_UNPRIVILEGED), |
70244d1d LP |
1494 | SD_BUS_METHOD("BindMountMachine", "sssbb", NULL, method_bind_mount_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
1495 | SD_BUS_METHOD("CopyFromMachine", "sss", NULL, method_copy_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
1496 | SD_BUS_METHOD("CopyToMachine", "sss", NULL, method_copy_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
ae203207 | 1497 | SD_BUS_METHOD("OpenMachineRootDirectory", "s", "h", method_open_machine_root_directory, SD_BUS_VTABLE_UNPRIVILEGED), |
3401419b | 1498 | SD_BUS_METHOD("GetMachineUIDShift", "s", "u", method_get_machine_uid_shift, SD_BUS_VTABLE_UNPRIVILEGED), |
70244d1d LP |
1499 | SD_BUS_METHOD("RemoveImage", "s", NULL, method_remove_image, SD_BUS_VTABLE_UNPRIVILEGED), |
1500 | SD_BUS_METHOD("RenameImage", "ss", NULL, method_rename_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
1501 | SD_BUS_METHOD("CloneImage", "ssb", NULL, method_clone_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
1502 | SD_BUS_METHOD("MarkImageReadOnly", "sb", NULL, method_mark_image_read_only, SD_BUS_VTABLE_UNPRIVILEGED), | |
cf30a8c1 LP |
1503 | SD_BUS_METHOD("GetImageHostname", "s", "s", method_get_image_hostname, SD_BUS_VTABLE_UNPRIVILEGED), |
1504 | SD_BUS_METHOD("GetImageMachineID", "s", "ay", method_get_image_machine_id, SD_BUS_VTABLE_UNPRIVILEGED), | |
1505 | SD_BUS_METHOD("GetImageMachineInfo", "s", "a{ss}", method_get_image_machine_info, SD_BUS_VTABLE_UNPRIVILEGED), | |
9153b02b | 1506 | SD_BUS_METHOD("GetImageOSRelease", "s", "a{ss}", method_get_image_os_release, SD_BUS_VTABLE_UNPRIVILEGED), |
d6ce17c7 LP |
1507 | SD_BUS_METHOD("SetPoolLimit", "t", NULL, method_set_pool_limit, SD_BUS_VTABLE_UNPRIVILEGED), |
1508 | SD_BUS_METHOD("SetImageLimit", "st", NULL, method_set_image_limit, SD_BUS_VTABLE_UNPRIVILEGED), | |
d94c2b06 | 1509 | SD_BUS_METHOD("CleanPool", "s", "a(st)", method_clean_pool, SD_BUS_VTABLE_UNPRIVILEGED), |
c01ff965 LP |
1510 | SD_BUS_METHOD("MapFromMachineUser", "su", "u", method_map_from_machine_user, SD_BUS_VTABLE_UNPRIVILEGED), |
1511 | SD_BUS_METHOD("MapToMachineUser", "u", "sou", method_map_to_machine_user, SD_BUS_VTABLE_UNPRIVILEGED), | |
1512 | SD_BUS_METHOD("MapFromMachineGroup", "su", "u", method_map_from_machine_group, SD_BUS_VTABLE_UNPRIVILEGED), | |
1513 | SD_BUS_METHOD("MapToMachineGroup", "u", "sou", method_map_to_machine_group, SD_BUS_VTABLE_UNPRIVILEGED), | |
c3350683 LP |
1514 | SD_BUS_SIGNAL("MachineNew", "so", 0), |
1515 | SD_BUS_SIGNAL("MachineRemoved", "so", 0), | |
1516 | SD_BUS_VTABLE_END | |
1517 | }; | |
1ee306e1 | 1518 | |
19070062 | 1519 | int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 1520 | const char *path, *result, *unit; |
1ee306e1 | 1521 | Manager *m = userdata; |
c3350683 LP |
1522 | Machine *machine; |
1523 | uint32_t id; | |
1524 | int r; | |
1ee306e1 | 1525 | |
1ee306e1 | 1526 | assert(message); |
c3350683 | 1527 | assert(m); |
1ee306e1 | 1528 | |
c3350683 LP |
1529 | r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result); |
1530 | if (r < 0) { | |
ebcf1f97 | 1531 | bus_log_parse_error(r); |
65d73cf0 | 1532 | return 0; |
c3350683 | 1533 | } |
6797c324 | 1534 | |
c3350683 LP |
1535 | machine = hashmap_get(m->machine_units, unit); |
1536 | if (!machine) | |
1537 | return 0; | |
6797c324 | 1538 | |
c3350683 | 1539 | if (streq_ptr(path, machine->scope_job)) { |
491ac9f2 | 1540 | machine->scope_job = mfree(machine->scope_job); |
6797c324 | 1541 | |
c3350683 LP |
1542 | if (machine->started) { |
1543 | if (streq(result, "done")) | |
1544 | machine_send_create_reply(machine, NULL); | |
1545 | else { | |
4afd3348 | 1546 | _cleanup_(sd_bus_error_free) sd_bus_error e = SD_BUS_ERROR_NULL; |
6797c324 | 1547 | |
ebcf1f97 | 1548 | sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result); |
6797c324 | 1549 | |
ebcf1f97 | 1550 | machine_send_create_reply(machine, &e); |
c3350683 | 1551 | } |
49f3fffd LP |
1552 | } |
1553 | ||
1554 | machine_save(machine); | |
1ee306e1 LP |
1555 | } |
1556 | ||
c3350683 LP |
1557 | machine_add_to_gc_queue(machine); |
1558 | return 0; | |
1ee306e1 LP |
1559 | } |
1560 | ||
19070062 | 1561 | int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 1562 | _cleanup_free_ char *unit = NULL; |
49f3fffd | 1563 | const char *path; |
c3350683 LP |
1564 | Manager *m = userdata; |
1565 | Machine *machine; | |
ebcf1f97 | 1566 | int r; |
554604b3 | 1567 | |
c3350683 LP |
1568 | assert(message); |
1569 | assert(m); | |
554604b3 | 1570 | |
c3350683 LP |
1571 | path = sd_bus_message_get_path(message); |
1572 | if (!path) | |
554604b3 | 1573 | return 0; |
554604b3 | 1574 | |
ebcf1f97 | 1575 | r = unit_name_from_dbus_path(path, &unit); |
e5f5b5b9 LP |
1576 | if (r == -EINVAL) /* not for a unit */ |
1577 | return 0; | |
9ed794a3 | 1578 | if (r < 0) { |
9b420b3c LP |
1579 | log_oom(); |
1580 | return 0; | |
1581 | } | |
554604b3 | 1582 | |
c3350683 | 1583 | machine = hashmap_get(m->machine_units, unit); |
9b420b3c LP |
1584 | if (!machine) |
1585 | return 0; | |
1586 | ||
9b420b3c | 1587 | machine_add_to_gc_queue(machine); |
c3350683 LP |
1588 | return 0; |
1589 | } | |
554604b3 | 1590 | |
19070062 | 1591 | int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
1592 | const char *path, *unit; |
1593 | Manager *m = userdata; | |
1594 | Machine *machine; | |
1595 | int r; | |
554604b3 | 1596 | |
c3350683 LP |
1597 | assert(message); |
1598 | assert(m); | |
554604b3 | 1599 | |
c3350683 LP |
1600 | r = sd_bus_message_read(message, "so", &unit, &path); |
1601 | if (r < 0) { | |
ebcf1f97 | 1602 | bus_log_parse_error(r); |
9b420b3c | 1603 | return 0; |
554604b3 LP |
1604 | } |
1605 | ||
c3350683 | 1606 | machine = hashmap_get(m->machine_units, unit); |
9b420b3c LP |
1607 | if (!machine) |
1608 | return 0; | |
1609 | ||
9b420b3c | 1610 | machine_add_to_gc_queue(machine); |
c3350683 LP |
1611 | return 0; |
1612 | } | |
554604b3 | 1613 | |
19070062 | 1614 | int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 1615 | Manager *m = userdata; |
a658cafa LP |
1616 | Machine *machine; |
1617 | Iterator i; | |
c3350683 | 1618 | int b, r; |
554604b3 | 1619 | |
19070062 LP |
1620 | assert(message); |
1621 | assert(m); | |
554604b3 | 1622 | |
c3350683 LP |
1623 | r = sd_bus_message_read(message, "b", &b); |
1624 | if (r < 0) { | |
ebcf1f97 | 1625 | bus_log_parse_error(r); |
65d73cf0 | 1626 | return 0; |
554604b3 | 1627 | } |
a658cafa LP |
1628 | if (b) |
1629 | return 0; | |
554604b3 | 1630 | |
a658cafa LP |
1631 | /* systemd finished reloading, let's recheck all our machines */ |
1632 | log_debug("System manager has been reloaded, rechecking machines..."); | |
554604b3 | 1633 | |
a658cafa LP |
1634 | HASHMAP_FOREACH(machine, m->machines, i) |
1635 | machine_add_to_gc_queue(machine); | |
554604b3 LP |
1636 | |
1637 | return 0; | |
1638 | } | |
1639 | ||
1ee306e1 LP |
1640 | int manager_start_scope( |
1641 | Manager *manager, | |
1642 | const char *scope, | |
1643 | pid_t pid, | |
1644 | const char *slice, | |
1645 | const char *description, | |
c3350683 LP |
1646 | sd_bus_message *more_properties, |
1647 | sd_bus_error *error, | |
1ee306e1 LP |
1648 | char **job) { |
1649 | ||
4afd3348 | 1650 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; |
554604b3 | 1651 | int r; |
1ee306e1 LP |
1652 | |
1653 | assert(manager); | |
1654 | assert(scope); | |
1655 | assert(pid > 1); | |
1656 | ||
c3350683 LP |
1657 | r = sd_bus_message_new_method_call( |
1658 | manager->bus, | |
151b9b96 | 1659 | &m, |
1ee306e1 LP |
1660 | "org.freedesktop.systemd1", |
1661 | "/org/freedesktop/systemd1", | |
1662 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 1663 | "StartTransientUnit"); |
c3350683 LP |
1664 | if (r < 0) |
1665 | return r; | |
1ee306e1 | 1666 | |
a658cafa | 1667 | r = sd_bus_message_append(m, "ss", strempty(scope), "fail"); |
c3350683 LP |
1668 | if (r < 0) |
1669 | return r; | |
1ee306e1 | 1670 | |
c3350683 LP |
1671 | r = sd_bus_message_open_container(m, 'a', "(sv)"); |
1672 | if (r < 0) | |
1673 | return r; | |
1ee306e1 LP |
1674 | |
1675 | if (!isempty(slice)) { | |
c3350683 LP |
1676 | r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice); |
1677 | if (r < 0) | |
1678 | return r; | |
1ee306e1 LP |
1679 | } |
1680 | ||
1681 | if (!isempty(description)) { | |
c3350683 LP |
1682 | r = sd_bus_message_append(m, "(sv)", "Description", "s", description); |
1683 | if (r < 0) | |
1684 | return r; | |
1ee306e1 LP |
1685 | } |
1686 | ||
c3350683 LP |
1687 | r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid); |
1688 | if (r < 0) | |
1689 | return r; | |
554604b3 | 1690 | |
a931ad47 LP |
1691 | r = sd_bus_message_append(m, "(sv)", "Delegate", "b", 1); |
1692 | if (r < 0) | |
1693 | return r; | |
1694 | ||
cf7d1a30 | 1695 | r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", UINT64_C(16384)); |
b370fec2 AC |
1696 | if (r < 0) |
1697 | return bus_log_create_error(r); | |
1698 | ||
554604b3 | 1699 | if (more_properties) { |
c3350683 | 1700 | r = sd_bus_message_copy(m, more_properties, true); |
554604b3 LP |
1701 | if (r < 0) |
1702 | return r; | |
1703 | } | |
1704 | ||
c3350683 LP |
1705 | r = sd_bus_message_close_container(m); |
1706 | if (r < 0) | |
1707 | return r; | |
1ee306e1 | 1708 | |
86b8d289 LP |
1709 | r = sd_bus_message_append(m, "a(sa(sv))", 0); |
1710 | if (r < 0) | |
1711 | return r; | |
1712 | ||
c49b30a2 | 1713 | r = sd_bus_call(manager->bus, m, 0, error, &reply); |
c3350683 LP |
1714 | if (r < 0) |
1715 | return r; | |
1ee306e1 LP |
1716 | |
1717 | if (job) { | |
1718 | const char *j; | |
1719 | char *copy; | |
1720 | ||
c3350683 LP |
1721 | r = sd_bus_message_read(reply, "o", &j); |
1722 | if (r < 0) | |
1723 | return r; | |
1ee306e1 LP |
1724 | |
1725 | copy = strdup(j); | |
1726 | if (!copy) | |
1727 | return -ENOMEM; | |
1728 | ||
1729 | *job = copy; | |
1730 | } | |
1731 | ||
c3350683 | 1732 | return 1; |
1ee306e1 LP |
1733 | } |
1734 | ||
c3350683 | 1735 | int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { |
4afd3348 | 1736 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
1ee306e1 LP |
1737 | int r; |
1738 | ||
1739 | assert(manager); | |
1740 | assert(unit); | |
1741 | ||
c3350683 | 1742 | r = sd_bus_call_method( |
1ee306e1 LP |
1743 | manager->bus, |
1744 | "org.freedesktop.systemd1", | |
1745 | "/org/freedesktop/systemd1", | |
1746 | "org.freedesktop.systemd1.Manager", | |
1747 | "StopUnit", | |
1ee306e1 | 1748 | error, |
c3350683 LP |
1749 | &reply, |
1750 | "ss", unit, "fail"); | |
1ee306e1 | 1751 | if (r < 0) { |
c3350683 LP |
1752 | if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) || |
1753 | sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) { | |
6797c324 LP |
1754 | |
1755 | if (job) | |
1756 | *job = NULL; | |
1757 | ||
c3350683 | 1758 | sd_bus_error_free(error); |
6797c324 LP |
1759 | return 0; |
1760 | } | |
1761 | ||
1ee306e1 LP |
1762 | return r; |
1763 | } | |
1764 | ||
1765 | if (job) { | |
1766 | const char *j; | |
1767 | char *copy; | |
1768 | ||
c3350683 LP |
1769 | r = sd_bus_message_read(reply, "o", &j); |
1770 | if (r < 0) | |
1771 | return r; | |
1ee306e1 LP |
1772 | |
1773 | copy = strdup(j); | |
1774 | if (!copy) | |
1775 | return -ENOMEM; | |
1776 | ||
1777 | *job = copy; | |
1778 | } | |
1779 | ||
6797c324 | 1780 | return 1; |
1ee306e1 LP |
1781 | } |
1782 | ||
de58a50e | 1783 | int manager_kill_unit(Manager *manager, const char *unit, int signo, sd_bus_error *error) { |
1ee306e1 LP |
1784 | assert(manager); |
1785 | assert(unit); | |
1786 | ||
a658cafa | 1787 | return sd_bus_call_method( |
1ee306e1 LP |
1788 | manager->bus, |
1789 | "org.freedesktop.systemd1", | |
1790 | "/org/freedesktop/systemd1", | |
1791 | "org.freedesktop.systemd1.Manager", | |
1792 | "KillUnit", | |
1ee306e1 | 1793 | error, |
a658cafa | 1794 | NULL, |
de58a50e | 1795 | "ssi", unit, "all", signo); |
1ee306e1 LP |
1796 | } |
1797 | ||
1798 | int manager_unit_is_active(Manager *manager, const char *unit) { | |
4afd3348 LP |
1799 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
1800 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
1ee306e1 | 1801 | _cleanup_free_ char *path = NULL; |
1ee306e1 | 1802 | const char *state; |
1ee306e1 LP |
1803 | int r; |
1804 | ||
1805 | assert(manager); | |
1806 | assert(unit); | |
1807 | ||
1ee306e1 LP |
1808 | path = unit_dbus_path_from_name(unit); |
1809 | if (!path) | |
1810 | return -ENOMEM; | |
1811 | ||
c3350683 | 1812 | r = sd_bus_get_property( |
1ee306e1 LP |
1813 | manager->bus, |
1814 | "org.freedesktop.systemd1", | |
1815 | path, | |
c3350683 LP |
1816 | "org.freedesktop.systemd1.Unit", |
1817 | "ActiveState", | |
1ee306e1 | 1818 | &error, |
c3350683 LP |
1819 | &reply, |
1820 | "s"); | |
1ee306e1 | 1821 | if (r < 0) { |
c3350683 LP |
1822 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || |
1823 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
6797c324 | 1824 | return true; |
6797c324 | 1825 | |
c3350683 LP |
1826 | if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) || |
1827 | sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED)) | |
6797c324 | 1828 | return false; |
6797c324 | 1829 | |
1ee306e1 LP |
1830 | return r; |
1831 | } | |
1832 | ||
c3350683 LP |
1833 | r = sd_bus_message_read(reply, "s", &state); |
1834 | if (r < 0) | |
1ee306e1 | 1835 | return -EINVAL; |
1ee306e1 | 1836 | |
9b420b3c | 1837 | return !STR_IN_SET(state, "inactive", "failed"); |
1ee306e1 | 1838 | } |
bd16acf3 | 1839 | |
c3350683 | 1840 | int manager_job_is_active(Manager *manager, const char *path) { |
4afd3348 LP |
1841 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
1842 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
c3350683 | 1843 | int r; |
bd16acf3 | 1844 | |
c3350683 LP |
1845 | assert(manager); |
1846 | assert(path); | |
bd16acf3 | 1847 | |
c3350683 LP |
1848 | r = sd_bus_get_property( |
1849 | manager->bus, | |
1850 | "org.freedesktop.systemd1", | |
1851 | path, | |
1852 | "org.freedesktop.systemd1.Job", | |
1853 | "State", | |
1854 | &error, | |
1855 | &reply, | |
1856 | "s"); | |
1857 | if (r < 0) { | |
1858 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || | |
1859 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
1860 | return true; | |
bd16acf3 | 1861 | |
c3350683 LP |
1862 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT)) |
1863 | return false; | |
bd16acf3 | 1864 | |
bd16acf3 | 1865 | return r; |
c3350683 | 1866 | } |
bd16acf3 | 1867 | |
c3350683 LP |
1868 | /* We don't actually care about the state really. The fact |
1869 | * that we could read the job state is enough for us */ | |
bd16acf3 | 1870 | |
c3350683 | 1871 | return true; |
bd16acf3 | 1872 | } |
ab49725f KS |
1873 | |
1874 | int manager_get_machine_by_pid(Manager *m, pid_t pid, Machine **machine) { | |
ab49725f KS |
1875 | Machine *mm; |
1876 | int r; | |
1877 | ||
1878 | assert(m); | |
1879 | assert(pid >= 1); | |
1880 | assert(machine); | |
1881 | ||
4a0b58c4 | 1882 | mm = hashmap_get(m->machine_leaders, PID_TO_PTR(pid)); |
077c8c36 LP |
1883 | if (!mm) { |
1884 | _cleanup_free_ char *unit = NULL; | |
ab49725f | 1885 | |
077c8c36 LP |
1886 | r = cg_pid_get_unit(pid, &unit); |
1887 | if (r >= 0) | |
1888 | mm = hashmap_get(m->machine_units, unit); | |
1889 | } | |
ab49725f KS |
1890 | if (!mm) |
1891 | return 0; | |
1892 | ||
1893 | *machine = mm; | |
1894 | return 1; | |
1895 | } | |
1896 | ||
1897 | int manager_add_machine(Manager *m, const char *name, Machine **_machine) { | |
1898 | Machine *machine; | |
1899 | ||
1900 | assert(m); | |
1901 | assert(name); | |
1902 | ||
1903 | machine = hashmap_get(m->machines, name); | |
1904 | if (!machine) { | |
fbe55073 | 1905 | machine = machine_new(m, _MACHINE_CLASS_INVALID, name); |
ab49725f KS |
1906 | if (!machine) |
1907 | return -ENOMEM; | |
1908 | } | |
1909 | ||
1910 | if (_machine) | |
1911 | *_machine = machine; | |
1912 | ||
1913 | return 0; | |
1914 | } | |
9153b02b LP |
1915 | |
1916 | int bus_reply_pair_array(sd_bus_message *m, char **l) { | |
1917 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
1918 | char **k, **v; | |
1919 | int r; | |
1920 | ||
1921 | r = sd_bus_message_new_method_return(m, &reply); | |
1922 | if (r < 0) | |
1923 | return r; | |
1924 | ||
1925 | r = sd_bus_message_open_container(reply, 'a', "{ss}"); | |
1926 | if (r < 0) | |
1927 | return r; | |
1928 | ||
1929 | STRV_FOREACH_PAIR(k, v, l) { | |
1930 | r = sd_bus_message_append(reply, "{ss}", *k, *v); | |
1931 | if (r < 0) | |
1932 | return r; | |
1933 | } | |
1934 | ||
1935 | r = sd_bus_message_close_container(reply); | |
1936 | if (r < 0) | |
1937 | return r; | |
1938 | ||
1939 | return sd_bus_send(NULL, reply, NULL); | |
1940 | ||
1941 | } |