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1ee306e1 LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2011 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
22 | #include <errno.h> | |
23 | #include <string.h> | |
24 | #include <unistd.h> | |
1ee306e1 | 25 | |
c3350683 | 26 | #include "sd-id128.h" |
3ffd4af2 | 27 | |
b5efdb8a | 28 | #include "alloc-util.h" |
3ffd4af2 | 29 | #include "btrfs-util.h" |
96aad8d1 | 30 | #include "bus-common-errors.h" |
3ffd4af2 | 31 | #include "bus-util.h" |
23c80348 | 32 | #include "cgroup-util.h" |
3ffd4af2 | 33 | #include "fd-util.h" |
c01ff965 | 34 | #include "formats-util.h" |
25300b5a | 35 | #include "hostname-util.h" |
3ffd4af2 LP |
36 | #include "image-dbus.h" |
37 | #include "machine-dbus.h" | |
003dffde | 38 | #include "machine-image.h" |
4cee5eed | 39 | #include "machine-pool.h" |
c3350683 | 40 | #include "machined.h" |
3ffd4af2 LP |
41 | #include "path-util.h" |
42 | #include "process-util.h" | |
15a5e950 | 43 | #include "stdio-util.h" |
3ffd4af2 LP |
44 | #include "strv.h" |
45 | #include "unit-name.h" | |
b1d4f8e1 | 46 | #include "user-util.h" |
1ee306e1 | 47 | |
160e3793 LP |
48 | static int property_get_pool_path( |
49 | sd_bus *bus, | |
50 | const char *path, | |
51 | const char *interface, | |
52 | const char *property, | |
53 | sd_bus_message *reply, | |
54 | void *userdata, | |
55 | sd_bus_error *error) { | |
56 | ||
57 | assert(bus); | |
58 | assert(reply); | |
59 | ||
60 | return sd_bus_message_append(reply, "s", "/var/lib/machines"); | |
61 | } | |
62 | ||
63 | static int property_get_pool_usage( | |
64 | sd_bus *bus, | |
65 | const char *path, | |
66 | const char *interface, | |
67 | const char *property, | |
68 | sd_bus_message *reply, | |
69 | void *userdata, | |
70 | sd_bus_error *error) { | |
71 | ||
72 | _cleanup_close_ int fd = -1; | |
73 | uint64_t usage = (uint64_t) -1; | |
74 | struct stat st; | |
75 | ||
76 | assert(bus); | |
77 | assert(reply); | |
78 | ||
79 | /* We try to read the quota info from /var/lib/machines, as | |
80 | * well as the usage of the loopback file | |
81 | * /var/lib/machines.raw, and pick the larger value. */ | |
82 | ||
83 | fd = open("/var/lib/machines", O_RDONLY|O_CLOEXEC|O_DIRECTORY); | |
84 | if (fd >= 0) { | |
85 | BtrfsQuotaInfo q; | |
86 | ||
5bcd08db | 87 | if (btrfs_subvol_get_subtree_quota_fd(fd, 0, &q) >= 0) |
cb81cd80 | 88 | usage = q.referenced; |
160e3793 LP |
89 | } |
90 | ||
91 | if (stat("/var/lib/machines.raw", &st) >= 0) { | |
92 | if (usage == (uint64_t) -1 || st.st_blocks * 512ULL > usage) | |
93 | usage = st.st_blocks * 512ULL; | |
94 | } | |
95 | ||
96 | return sd_bus_message_append(reply, "t", usage); | |
97 | } | |
98 | ||
99 | static int property_get_pool_limit( | |
100 | sd_bus *bus, | |
101 | const char *path, | |
102 | const char *interface, | |
103 | const char *property, | |
104 | sd_bus_message *reply, | |
105 | void *userdata, | |
106 | sd_bus_error *error) { | |
107 | ||
108 | _cleanup_close_ int fd = -1; | |
109 | uint64_t size = (uint64_t) -1; | |
110 | struct stat st; | |
111 | ||
112 | assert(bus); | |
113 | assert(reply); | |
114 | ||
115 | /* We try to read the quota limit from /var/lib/machines, as | |
116 | * well as the size of the loopback file | |
117 | * /var/lib/machines.raw, and pick the smaller value. */ | |
118 | ||
119 | fd = open("/var/lib/machines", O_RDONLY|O_CLOEXEC|O_DIRECTORY); | |
120 | if (fd >= 0) { | |
121 | BtrfsQuotaInfo q; | |
122 | ||
5bcd08db | 123 | if (btrfs_subvol_get_subtree_quota_fd(fd, 0, &q) >= 0) |
cb81cd80 | 124 | size = q.referenced_max; |
160e3793 LP |
125 | } |
126 | ||
127 | if (stat("/var/lib/machines.raw", &st) >= 0) { | |
128 | if (size == (uint64_t) -1 || (uint64_t) st.st_size < size) | |
129 | size = st.st_size; | |
130 | } | |
131 | ||
132 | return sd_bus_message_append(reply, "t", size); | |
133 | } | |
134 | ||
19070062 | 135 | static int method_get_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
136 | _cleanup_free_ char *p = NULL; |
137 | Manager *m = userdata; | |
138 | Machine *machine; | |
139 | const char *name; | |
140 | int r; | |
141 | ||
c3350683 LP |
142 | assert(message); |
143 | assert(m); | |
144 | ||
145 | r = sd_bus_message_read(message, "s", &name); | |
146 | if (r < 0) | |
ebcf1f97 | 147 | return r; |
c3350683 LP |
148 | |
149 | machine = hashmap_get(m->machines, name); | |
150 | if (!machine) | |
ebcf1f97 | 151 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
c3350683 LP |
152 | |
153 | p = machine_bus_path(machine); | |
154 | if (!p) | |
ebcf1f97 | 155 | return -ENOMEM; |
c3350683 | 156 | |
df2d202e | 157 | return sd_bus_reply_method_return(message, "o", p); |
c3350683 LP |
158 | } |
159 | ||
19070062 | 160 | static int method_get_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c2ce6a3d LP |
161 | _cleanup_free_ char *p = NULL; |
162 | Manager *m = userdata; | |
163 | const char *name; | |
164 | int r; | |
165 | ||
c2ce6a3d LP |
166 | assert(message); |
167 | assert(m); | |
168 | ||
169 | r = sd_bus_message_read(message, "s", &name); | |
170 | if (r < 0) | |
171 | return r; | |
172 | ||
173 | r = image_find(name, NULL); | |
174 | if (r == 0) | |
175 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
176 | if (r < 0) | |
177 | return r; | |
178 | ||
179 | p = image_bus_path(name); | |
180 | if (!p) | |
181 | return -ENOMEM; | |
182 | ||
183 | return sd_bus_reply_method_return(message, "o", p); | |
184 | } | |
185 | ||
19070062 | 186 | static int method_get_machine_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
187 | _cleanup_free_ char *p = NULL; |
188 | Manager *m = userdata; | |
189 | Machine *machine = NULL; | |
4e724d9c | 190 | pid_t pid; |
c3350683 LP |
191 | int r; |
192 | ||
c3350683 LP |
193 | assert(message); |
194 | assert(m); | |
195 | ||
4e724d9c LP |
196 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
197 | ||
c3350683 LP |
198 | r = sd_bus_message_read(message, "u", &pid); |
199 | if (r < 0) | |
ebcf1f97 | 200 | return r; |
c3350683 | 201 | |
06820eaf LP |
202 | if (pid < 0) |
203 | return -EINVAL; | |
204 | ||
4e724d9c | 205 | if (pid == 0) { |
4afd3348 | 206 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
5b12334d LP |
207 | |
208 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
209 | if (r < 0) | |
210 | return r; | |
211 | ||
212 | r = sd_bus_creds_get_pid(creds, &pid); | |
4e724d9c | 213 | if (r < 0) |
ebcf1f97 | 214 | return r; |
4e724d9c LP |
215 | } |
216 | ||
c3350683 LP |
217 | r = manager_get_machine_by_pid(m, pid, &machine); |
218 | if (r < 0) | |
ebcf1f97 | 219 | return r; |
c3350683 | 220 | if (!machine) |
de0671ee | 221 | 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 |
222 | |
223 | p = machine_bus_path(machine); | |
224 | if (!p) | |
ebcf1f97 | 225 | return -ENOMEM; |
c3350683 | 226 | |
df2d202e | 227 | return sd_bus_reply_method_return(message, "o", p); |
c3350683 LP |
228 | } |
229 | ||
19070062 | 230 | static int method_list_machines(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 231 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
c3350683 LP |
232 | Manager *m = userdata; |
233 | Machine *machine; | |
234 | Iterator i; | |
235 | int r; | |
236 | ||
c3350683 LP |
237 | assert(message); |
238 | assert(m); | |
239 | ||
df2d202e | 240 | r = sd_bus_message_new_method_return(message, &reply); |
c3350683 | 241 | if (r < 0) |
ebcf1f97 | 242 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
243 | |
244 | r = sd_bus_message_open_container(reply, 'a', "(ssso)"); | |
245 | if (r < 0) | |
ebcf1f97 | 246 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
247 | |
248 | HASHMAP_FOREACH(machine, m->machines, i) { | |
249 | _cleanup_free_ char *p = NULL; | |
250 | ||
251 | p = machine_bus_path(machine); | |
252 | if (!p) | |
ebcf1f97 | 253 | return -ENOMEM; |
c3350683 LP |
254 | |
255 | r = sd_bus_message_append(reply, "(ssso)", | |
256 | machine->name, | |
257 | strempty(machine_class_to_string(machine->class)), | |
258 | machine->service, | |
259 | p); | |
260 | if (r < 0) | |
ebcf1f97 | 261 | return sd_bus_error_set_errno(error, r); |
c3350683 | 262 | } |
1ee306e1 | 263 | |
c3350683 LP |
264 | r = sd_bus_message_close_container(reply); |
265 | if (r < 0) | |
ebcf1f97 | 266 | return sd_bus_error_set_errno(error, r); |
c3350683 | 267 | |
9030ca46 | 268 | return sd_bus_send(NULL, reply, NULL); |
c3350683 LP |
269 | } |
270 | ||
9b5ed6fe | 271 | static int method_create_or_register_machine(Manager *manager, sd_bus_message *message, bool read_network, Machine **_m, sd_bus_error *error) { |
8aec412f | 272 | const char *name, *service, *class, *root_directory; |
9b5ed6fe | 273 | const int32_t *netif = NULL; |
1ee306e1 LP |
274 | MachineClass c; |
275 | uint32_t leader; | |
276 | sd_id128_t id; | |
c3350683 | 277 | const void *v; |
1ee306e1 | 278 | Machine *m; |
9b5ed6fe | 279 | size_t n, n_netif = 0; |
c3350683 | 280 | int r; |
1ee306e1 | 281 | |
c3350683 | 282 | assert(manager); |
89f7c846 LP |
283 | assert(message); |
284 | assert(_m); | |
1ee306e1 | 285 | |
c3350683 LP |
286 | r = sd_bus_message_read(message, "s", &name); |
287 | if (r < 0) | |
ebcf1f97 | 288 | return r; |
7f0d207d | 289 | if (!machine_name_is_valid(name)) |
ebcf1f97 | 290 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine name"); |
1ee306e1 | 291 | |
c3350683 LP |
292 | r = sd_bus_message_read_array(message, 'y', &v, &n); |
293 | if (r < 0) | |
ebcf1f97 | 294 | return r; |
1ee306e1 LP |
295 | if (n == 0) |
296 | id = SD_ID128_NULL; | |
297 | else if (n == 16) | |
298 | memcpy(&id, v, n); | |
299 | else | |
ebcf1f97 | 300 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine ID parameter"); |
1ee306e1 | 301 | |
c3350683 LP |
302 | r = sd_bus_message_read(message, "ssus", &service, &class, &leader, &root_directory); |
303 | if (r < 0) | |
ebcf1f97 | 304 | return r; |
1ee306e1 | 305 | |
9b5ed6fe LP |
306 | if (read_network) { |
307 | size_t i; | |
308 | ||
309 | r = sd_bus_message_read_array(message, 'i', (const void**) &netif, &n_netif); | |
310 | if (r < 0) | |
311 | return r; | |
312 | ||
313 | n_netif /= sizeof(int32_t); | |
314 | ||
315 | for (i = 0; i < n_netif; i++) { | |
316 | if (netif[i] <= 0) | |
317 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid network interface index %i", netif[i]); | |
318 | } | |
319 | } | |
320 | ||
1ee306e1 LP |
321 | if (isempty(class)) |
322 | c = _MACHINE_CLASS_INVALID; | |
323 | else { | |
324 | c = machine_class_from_string(class); | |
325 | if (c < 0) | |
ebcf1f97 | 326 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine class parameter"); |
1ee306e1 LP |
327 | } |
328 | ||
c3350683 | 329 | if (leader == 1) |
ebcf1f97 | 330 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID"); |
1ee306e1 | 331 | |
c3350683 | 332 | if (!isempty(root_directory) && !path_is_absolute(root_directory)) |
ebcf1f97 | 333 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Root directory must be empty or an absolute path"); |
1ee306e1 | 334 | |
c3350683 | 335 | if (leader == 0) { |
4afd3348 | 336 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
5b12334d LP |
337 | |
338 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
339 | if (r < 0) | |
340 | return r; | |
341 | ||
c3350683 | 342 | assert_cc(sizeof(uint32_t) == sizeof(pid_t)); |
554604b3 | 343 | |
5b12334d | 344 | r = sd_bus_creds_get_pid(creds, (pid_t*) &leader); |
c3350683 | 345 | if (r < 0) |
ebcf1f97 | 346 | return r; |
c3350683 | 347 | } |
554604b3 | 348 | |
1ee306e1 | 349 | if (hashmap_get(manager->machines, name)) |
ebcf1f97 | 350 | return sd_bus_error_setf(error, BUS_ERROR_MACHINE_EXISTS, "Machine '%s' already exists", name); |
1ee306e1 LP |
351 | |
352 | r = manager_add_machine(manager, name, &m); | |
353 | if (r < 0) | |
ebcf1f97 | 354 | return r; |
1ee306e1 LP |
355 | |
356 | m->leader = leader; | |
357 | m->class = c; | |
358 | m->id = id; | |
359 | ||
360 | if (!isempty(service)) { | |
361 | m->service = strdup(service); | |
362 | if (!m->service) { | |
ebcf1f97 | 363 | r = -ENOMEM; |
1ee306e1 LP |
364 | goto fail; |
365 | } | |
366 | } | |
367 | ||
368 | if (!isempty(root_directory)) { | |
369 | m->root_directory = strdup(root_directory); | |
370 | if (!m->root_directory) { | |
ebcf1f97 | 371 | r = -ENOMEM; |
1ee306e1 LP |
372 | goto fail; |
373 | } | |
374 | } | |
375 | ||
9b5ed6fe LP |
376 | if (n_netif > 0) { |
377 | assert_cc(sizeof(int32_t) == sizeof(int)); | |
378 | m->netif = memdup(netif, sizeof(int32_t) * n_netif); | |
379 | if (!m->netif) { | |
380 | r = -ENOMEM; | |
381 | goto fail; | |
382 | } | |
383 | ||
384 | m->n_netif = n_netif; | |
385 | } | |
386 | ||
89f7c846 LP |
387 | *_m = m; |
388 | ||
389 | return 1; | |
390 | ||
391 | fail: | |
392 | machine_add_to_gc_queue(m); | |
393 | return r; | |
394 | } | |
395 | ||
19070062 | 396 | static int method_create_machine_internal(sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) { |
89f7c846 LP |
397 | Manager *manager = userdata; |
398 | Machine *m = NULL; | |
399 | int r; | |
400 | ||
19070062 LP |
401 | assert(message); |
402 | assert(manager); | |
403 | ||
9b5ed6fe | 404 | r = method_create_or_register_machine(manager, message, read_network, &m, error); |
89f7c846 LP |
405 | if (r < 0) |
406 | return r; | |
407 | ||
408 | r = sd_bus_message_enter_container(message, 'a', "(sv)"); | |
409 | if (r < 0) | |
410 | goto fail; | |
411 | ||
ebcf1f97 LP |
412 | r = machine_start(m, message, error); |
413 | if (r < 0) | |
1ee306e1 LP |
414 | goto fail; |
415 | ||
c3350683 | 416 | m->create_message = sd_bus_message_ref(message); |
c3350683 | 417 | return 1; |
1ee306e1 LP |
418 | |
419 | fail: | |
a3e7f417 | 420 | machine_add_to_gc_queue(m); |
89f7c846 LP |
421 | return r; |
422 | } | |
1ee306e1 | 423 | |
19070062 LP |
424 | static int method_create_machine_with_network(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
425 | return method_create_machine_internal(message, true, userdata, error); | |
9b5ed6fe LP |
426 | } |
427 | ||
19070062 LP |
428 | static int method_create_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
429 | return method_create_machine_internal(message, false, userdata, error); | |
9b5ed6fe LP |
430 | } |
431 | ||
19070062 | 432 | static int method_register_machine_internal(sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) { |
89f7c846 LP |
433 | Manager *manager = userdata; |
434 | _cleanup_free_ char *p = NULL; | |
435 | Machine *m = NULL; | |
436 | int r; | |
437 | ||
19070062 LP |
438 | assert(message); |
439 | assert(manager); | |
440 | ||
9b5ed6fe | 441 | r = method_create_or_register_machine(manager, message, read_network, &m, error); |
89f7c846 LP |
442 | if (r < 0) |
443 | return r; | |
444 | ||
445 | r = cg_pid_get_unit(m->leader, &m->unit); | |
446 | if (r < 0) { | |
447 | r = sd_bus_error_set_errnof(error, r, "Failed to determine unit of process "PID_FMT" : %s", m->leader, strerror(-r)); | |
448 | goto fail; | |
449 | } | |
450 | ||
451 | r = machine_start(m, NULL, error); | |
452 | if (r < 0) | |
453 | goto fail; | |
454 | ||
455 | p = machine_bus_path(m); | |
456 | if (!p) { | |
457 | r = -ENOMEM; | |
458 | goto fail; | |
459 | } | |
460 | ||
461 | return sd_bus_reply_method_return(message, "o", p); | |
462 | ||
463 | fail: | |
464 | machine_add_to_gc_queue(m); | |
1ee306e1 LP |
465 | return r; |
466 | } | |
467 | ||
19070062 LP |
468 | static int method_register_machine_with_network(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
469 | return method_register_machine_internal(message, true, userdata, error); | |
9b5ed6fe LP |
470 | } |
471 | ||
19070062 LP |
472 | static int method_register_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
473 | return method_register_machine_internal(message, false, userdata, error); | |
9b5ed6fe LP |
474 | } |
475 | ||
19070062 | 476 | static int method_terminate_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1ee306e1 | 477 | Manager *m = userdata; |
c3350683 LP |
478 | Machine *machine; |
479 | const char *name; | |
1ee306e1 LP |
480 | int r; |
481 | ||
1ee306e1 LP |
482 | assert(message); |
483 | assert(m); | |
484 | ||
c3350683 LP |
485 | r = sd_bus_message_read(message, "s", &name); |
486 | if (r < 0) | |
ebcf1f97 | 487 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 488 | |
c3350683 LP |
489 | machine = hashmap_get(m->machines, name); |
490 | if (!machine) | |
ebcf1f97 | 491 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
1ee306e1 | 492 | |
19070062 | 493 | return bus_machine_method_terminate(message, machine, error); |
c3350683 | 494 | } |
1ee306e1 | 495 | |
19070062 | 496 | static int method_kill_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
497 | Manager *m = userdata; |
498 | Machine *machine; | |
499 | const char *name; | |
c3350683 | 500 | int r; |
1ee306e1 | 501 | |
c3350683 LP |
502 | assert(message); |
503 | assert(m); | |
1ee306e1 | 504 | |
878cd7e9 | 505 | r = sd_bus_message_read(message, "s", &name); |
c3350683 | 506 | if (r < 0) |
ebcf1f97 | 507 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 508 | |
c3350683 LP |
509 | machine = hashmap_get(m->machines, name); |
510 | if (!machine) | |
ebcf1f97 | 511 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
1ee306e1 | 512 | |
19070062 | 513 | return bus_machine_method_kill(message, machine, error); |
878cd7e9 LP |
514 | } |
515 | ||
19070062 | 516 | static int method_get_machine_addresses(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
878cd7e9 LP |
517 | Manager *m = userdata; |
518 | Machine *machine; | |
519 | const char *name; | |
520 | int r; | |
521 | ||
878cd7e9 LP |
522 | assert(message); |
523 | assert(m); | |
524 | ||
525 | r = sd_bus_message_read(message, "s", &name); | |
c3350683 | 526 | if (r < 0) |
ebcf1f97 | 527 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 528 | |
878cd7e9 LP |
529 | machine = hashmap_get(m->machines, name); |
530 | if (!machine) | |
531 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
532 | ||
19070062 | 533 | return bus_machine_method_get_addresses(message, machine, error); |
c3350683 | 534 | } |
1ee306e1 | 535 | |
19070062 | 536 | static int method_get_machine_os_release(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
717603e3 LP |
537 | Manager *m = userdata; |
538 | Machine *machine; | |
539 | const char *name; | |
540 | int r; | |
541 | ||
717603e3 LP |
542 | assert(message); |
543 | assert(m); | |
544 | ||
545 | r = sd_bus_message_read(message, "s", &name); | |
546 | if (r < 0) | |
547 | return sd_bus_error_set_errno(error, r); | |
548 | ||
549 | machine = hashmap_get(m->machines, name); | |
550 | if (!machine) | |
551 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
552 | ||
19070062 | 553 | return bus_machine_method_get_os_release(message, machine, error); |
717603e3 LP |
554 | } |
555 | ||
19070062 | 556 | static int method_list_images(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 557 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cd61c3bf LP |
558 | _cleanup_(image_hashmap_freep) Hashmap *images = NULL; |
559 | Manager *m = userdata; | |
560 | Image *image; | |
561 | Iterator i; | |
562 | int r; | |
563 | ||
cd61c3bf LP |
564 | assert(message); |
565 | assert(m); | |
566 | ||
567 | images = hashmap_new(&string_hash_ops); | |
568 | if (!images) | |
569 | return -ENOMEM; | |
570 | ||
571 | r = image_discover(images); | |
572 | if (r < 0) | |
573 | return r; | |
574 | ||
575 | r = sd_bus_message_new_method_return(message, &reply); | |
576 | if (r < 0) | |
577 | return r; | |
578 | ||
b6b18498 | 579 | r = sd_bus_message_open_container(reply, 'a', "(ssbttto)"); |
cd61c3bf LP |
580 | if (r < 0) |
581 | return r; | |
582 | ||
583 | HASHMAP_FOREACH(image, images, i) { | |
584 | _cleanup_free_ char *p = NULL; | |
585 | ||
586 | p = image_bus_path(image->name); | |
587 | if (!p) | |
588 | return -ENOMEM; | |
589 | ||
b6b18498 | 590 | r = sd_bus_message_append(reply, "(ssbttto)", |
cd61c3bf LP |
591 | image->name, |
592 | image_type_to_string(image->type), | |
593 | image->read_only, | |
10f9c755 LP |
594 | image->crtime, |
595 | image->mtime, | |
c19de711 | 596 | image->usage, |
cd61c3bf LP |
597 | p); |
598 | if (r < 0) | |
599 | return r; | |
600 | } | |
601 | ||
602 | r = sd_bus_message_close_container(reply); | |
603 | if (r < 0) | |
604 | return r; | |
605 | ||
9030ca46 | 606 | return sd_bus_send(NULL, reply, NULL); |
cd61c3bf LP |
607 | } |
608 | ||
19070062 | 609 | static int method_open_machine_pty(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
40205d70 LP |
610 | Manager *m = userdata; |
611 | Machine *machine; | |
612 | const char *name; | |
613 | int r; | |
614 | ||
40205d70 LP |
615 | assert(message); |
616 | assert(m); | |
617 | ||
618 | r = sd_bus_message_read(message, "s", &name); | |
619 | if (r < 0) | |
620 | return sd_bus_error_set_errno(error, r); | |
621 | ||
622 | machine = hashmap_get(m->machines, name); | |
623 | if (!machine) | |
624 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
625 | ||
19070062 | 626 | return bus_machine_method_open_pty(message, machine, error); |
40205d70 LP |
627 | } |
628 | ||
19070062 | 629 | static int method_open_machine_login(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
5f8cc96a LP |
630 | Manager *m = userdata; |
631 | Machine *machine; | |
632 | const char *name; | |
633 | int r; | |
634 | ||
5f8cc96a LP |
635 | assert(message); |
636 | assert(m); | |
637 | ||
638 | r = sd_bus_message_read(message, "s", &name); | |
639 | if (r < 0) | |
08682124 | 640 | return r; |
5f8cc96a LP |
641 | |
642 | machine = hashmap_get(m->machines, name); | |
643 | if (!machine) | |
644 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
645 | ||
19070062 | 646 | return bus_machine_method_open_login(message, machine, error); |
5f8cc96a LP |
647 | } |
648 | ||
49af9e13 LP |
649 | static int method_open_machine_shell(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
650 | Manager *m = userdata; | |
651 | Machine *machine; | |
652 | const char *name; | |
653 | ||
654 | int r; | |
655 | ||
656 | assert(message); | |
657 | assert(m); | |
658 | ||
659 | r = sd_bus_message_read(message, "s", &name); | |
660 | if (r < 0) | |
661 | return r; | |
662 | ||
663 | machine = hashmap_get(m->machines, name); | |
664 | if (!machine) | |
665 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
666 | ||
667 | return bus_machine_method_open_shell(message, machine, error); | |
668 | } | |
669 | ||
19070062 | 670 | static int method_bind_mount_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
90adaa25 LP |
671 | Manager *m = userdata; |
672 | Machine *machine; | |
673 | const char *name; | |
674 | int r; | |
675 | ||
90adaa25 LP |
676 | assert(message); |
677 | assert(m); | |
678 | ||
679 | r = sd_bus_message_read(message, "s", &name); | |
680 | if (r < 0) | |
681 | return r; | |
682 | ||
683 | machine = hashmap_get(m->machines, name); | |
684 | if (!machine) | |
685 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
686 | ||
19070062 | 687 | return bus_machine_method_bind_mount(message, machine, error); |
90adaa25 LP |
688 | } |
689 | ||
19070062 | 690 | static int method_copy_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
0370612e LP |
691 | Manager *m = userdata; |
692 | Machine *machine; | |
693 | const char *name; | |
694 | int r; | |
695 | ||
0370612e LP |
696 | assert(message); |
697 | assert(m); | |
698 | ||
699 | r = sd_bus_message_read(message, "s", &name); | |
700 | if (r < 0) | |
701 | return r; | |
702 | ||
703 | machine = hashmap_get(m->machines, name); | |
704 | if (!machine) | |
705 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
706 | ||
19070062 | 707 | return bus_machine_method_copy(message, machine, error); |
0370612e LP |
708 | } |
709 | ||
19070062 | 710 | static int method_remove_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
08682124 LP |
711 | _cleanup_(image_unrefp) Image* i = NULL; |
712 | const char *name; | |
713 | int r; | |
714 | ||
08682124 LP |
715 | assert(message); |
716 | ||
717 | r = sd_bus_message_read(message, "s", &name); | |
718 | if (r < 0) | |
719 | return r; | |
720 | ||
721 | if (!image_name_is_valid(name)) | |
722 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
723 | ||
724 | r = image_find(name, &i); | |
725 | if (r < 0) | |
726 | return r; | |
727 | if (r == 0) | |
728 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
729 | ||
70244d1d | 730 | i->userdata = userdata; |
19070062 | 731 | return bus_image_method_remove(message, i, error); |
08682124 LP |
732 | } |
733 | ||
19070062 | 734 | static int method_rename_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
ebd93cb6 | 735 | _cleanup_(image_unrefp) Image* i = NULL; |
1ddb263d | 736 | const char *old_name; |
ebd93cb6 LP |
737 | int r; |
738 | ||
ebd93cb6 LP |
739 | assert(message); |
740 | ||
1ddb263d | 741 | r = sd_bus_message_read(message, "s", &old_name); |
ebd93cb6 LP |
742 | if (r < 0) |
743 | return r; | |
744 | ||
745 | if (!image_name_is_valid(old_name)) | |
746 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", old_name); | |
ebd93cb6 LP |
747 | |
748 | r = image_find(old_name, &i); | |
749 | if (r < 0) | |
750 | return r; | |
751 | if (r == 0) | |
752 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", old_name); | |
753 | ||
70244d1d | 754 | i->userdata = userdata; |
19070062 | 755 | return bus_image_method_rename(message, i, error); |
ebd93cb6 LP |
756 | } |
757 | ||
19070062 | 758 | static int method_clone_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
ebd93cb6 | 759 | _cleanup_(image_unrefp) Image *i = NULL; |
1ddb263d LP |
760 | const char *old_name; |
761 | int r; | |
ebd93cb6 | 762 | |
19070062 LP |
763 | assert(message); |
764 | ||
1ddb263d | 765 | r = sd_bus_message_read(message, "s", &old_name); |
ebd93cb6 LP |
766 | if (r < 0) |
767 | return r; | |
768 | ||
769 | if (!image_name_is_valid(old_name)) | |
770 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", old_name); | |
ebd93cb6 LP |
771 | |
772 | r = image_find(old_name, &i); | |
773 | if (r < 0) | |
774 | return r; | |
775 | if (r == 0) | |
776 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", old_name); | |
777 | ||
70244d1d | 778 | i->userdata = userdata; |
19070062 | 779 | return bus_image_method_clone(message, i, error); |
ebd93cb6 LP |
780 | } |
781 | ||
19070062 | 782 | static int method_mark_image_read_only(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
ebd93cb6 LP |
783 | _cleanup_(image_unrefp) Image *i = NULL; |
784 | const char *name; | |
1ddb263d | 785 | int r; |
ebd93cb6 | 786 | |
19070062 LP |
787 | assert(message); |
788 | ||
1ddb263d | 789 | r = sd_bus_message_read(message, "s", &name); |
ebd93cb6 LP |
790 | if (r < 0) |
791 | return r; | |
792 | ||
793 | if (!image_name_is_valid(name)) | |
794 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
795 | ||
796 | r = image_find(name, &i); | |
797 | if (r < 0) | |
798 | return r; | |
799 | if (r == 0) | |
800 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
801 | ||
70244d1d | 802 | i->userdata = userdata; |
19070062 | 803 | return bus_image_method_mark_read_only(message, i, error); |
ebd93cb6 LP |
804 | } |
805 | ||
19070062 | 806 | static int method_set_pool_limit(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
d6ce17c7 LP |
807 | Manager *m = userdata; |
808 | uint64_t limit; | |
809 | int r; | |
810 | ||
19070062 LP |
811 | assert(message); |
812 | ||
d6ce17c7 LP |
813 | r = sd_bus_message_read(message, "t", &limit); |
814 | if (r < 0) | |
815 | return r; | |
816 | ||
817 | r = bus_verify_polkit_async( | |
818 | message, | |
819 | CAP_SYS_ADMIN, | |
820 | "org.freedesktop.machine1.manage-machines", | |
403ed0e5 | 821 | NULL, |
d6ce17c7 LP |
822 | false, |
823 | UID_INVALID, | |
824 | &m->polkit_registry, | |
825 | error); | |
826 | if (r < 0) | |
827 | return r; | |
828 | if (r == 0) | |
829 | return 1; /* Will call us back */ | |
830 | ||
4cee5eed LP |
831 | /* Set up the machine directory if necessary */ |
832 | r = setup_machine_directory(limit, error); | |
833 | if (r < 0) | |
834 | return r; | |
835 | ||
26166c88 LP |
836 | r = btrfs_resize_loopback("/var/lib/machines", limit, false); |
837 | if (r == -ENOTTY) | |
838 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Quota is only supported on btrfs."); | |
839 | if (r < 0 && r != -ENODEV) /* ignore ENODEV, as that's what is returned if the file system is not on loopback */ | |
efe02862 LP |
840 | return sd_bus_error_set_errnof(error, r, "Failed to adjust loopback limit: %m"); |
841 | ||
5bcd08db LP |
842 | (void) btrfs_qgroup_set_limit("/var/lib/machines", 0, limit); |
843 | ||
844 | r = btrfs_subvol_set_subtree_quota_limit("/var/lib/machines", 0, limit); | |
d6ce17c7 LP |
845 | if (r == -ENOTTY) |
846 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Quota is only supported on btrfs."); | |
26166c88 | 847 | if (r < 0) |
d6ce17c7 LP |
848 | return sd_bus_error_set_errnof(error, r, "Failed to adjust quota limit: %m"); |
849 | ||
850 | return sd_bus_reply_method_return(message, NULL); | |
851 | } | |
852 | ||
19070062 | 853 | static int method_set_image_limit(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
d6ce17c7 LP |
854 | _cleanup_(image_unrefp) Image *i = NULL; |
855 | const char *name; | |
856 | int r; | |
857 | ||
19070062 LP |
858 | assert(message); |
859 | ||
d6ce17c7 LP |
860 | r = sd_bus_message_read(message, "s", &name); |
861 | if (r < 0) | |
862 | return r; | |
863 | ||
864 | if (!image_name_is_valid(name)) | |
865 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
866 | ||
867 | r = image_find(name, &i); | |
868 | if (r < 0) | |
869 | return r; | |
870 | if (r == 0) | |
871 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
872 | ||
873 | i->userdata = userdata; | |
19070062 | 874 | return bus_image_method_set_limit(message, i, error); |
d6ce17c7 LP |
875 | } |
876 | ||
c01ff965 LP |
877 | static int method_map_from_machine_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
878 | _cleanup_fclose_ FILE *f = NULL; | |
879 | Manager *m = userdata; | |
880 | const char *name, *p; | |
881 | Machine *machine; | |
882 | uint32_t uid; | |
883 | int r; | |
884 | ||
885 | r = sd_bus_message_read(message, "su", &name, &uid); | |
886 | if (r < 0) | |
887 | return r; | |
888 | ||
c077529b | 889 | if (!uid_is_valid(uid)) |
c01ff965 LP |
890 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
891 | ||
892 | machine = hashmap_get(m->machines, name); | |
893 | if (!machine) | |
894 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
895 | ||
a79366e2 LP |
896 | if (machine->class != MACHINE_CONTAINER) |
897 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Not supported for non-container machines."); | |
898 | ||
c01ff965 LP |
899 | p = procfs_file_alloca(machine->leader, "uid_map"); |
900 | f = fopen(p, "re"); | |
901 | if (!f) | |
902 | return -errno; | |
903 | ||
904 | for (;;) { | |
905 | uid_t uid_base, uid_shift, uid_range, converted; | |
906 | int k; | |
907 | ||
908 | errno = 0; | |
909 | k = fscanf(f, UID_FMT " " UID_FMT " " UID_FMT, &uid_base, &uid_shift, &uid_range); | |
910 | if (k < 0 && feof(f)) | |
911 | break; | |
912 | if (k != 3) { | |
913 | if (ferror(f) && errno != 0) | |
914 | return -errno; | |
915 | ||
916 | return -EIO; | |
917 | } | |
918 | ||
919 | if (uid < uid_base || uid >= uid_base + uid_range) | |
920 | continue; | |
921 | ||
922 | converted = uid - uid_base + uid_shift; | |
c077529b | 923 | if (!uid_is_valid(converted)) |
c01ff965 LP |
924 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
925 | ||
926 | return sd_bus_reply_method_return(message, "u", (uint32_t) converted); | |
927 | } | |
928 | ||
929 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "Machine '%s' has no matching user mappings.", name); | |
930 | } | |
931 | ||
932 | static int method_map_to_machine_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
933 | Manager *m = userdata; | |
934 | Machine *machine; | |
935 | uid_t uid; | |
936 | Iterator i; | |
937 | int r; | |
938 | ||
939 | r = sd_bus_message_read(message, "u", &uid); | |
940 | if (r < 0) | |
941 | return r; | |
c077529b | 942 | if (!uid_is_valid(uid)) |
c01ff965 LP |
943 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
944 | if (uid < 0x10000) | |
945 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "User " UID_FMT " belongs to host UID range", uid); | |
946 | ||
947 | HASHMAP_FOREACH(machine, m->machines, i) { | |
948 | _cleanup_fclose_ FILE *f = NULL; | |
949 | char p[strlen("/proc//uid_map") + DECIMAL_STR_MAX(pid_t) + 1]; | |
950 | ||
a79366e2 LP |
951 | if (machine->class != MACHINE_CONTAINER) |
952 | continue; | |
953 | ||
c01ff965 LP |
954 | xsprintf(p, "/proc/" UID_FMT "/uid_map", machine->leader); |
955 | f = fopen(p, "re"); | |
956 | if (!f) { | |
957 | log_warning_errno(errno, "Failed top open %s, ignoring,", p); | |
958 | continue; | |
959 | } | |
960 | ||
961 | for (;;) { | |
962 | _cleanup_free_ char *o = NULL; | |
963 | uid_t uid_base, uid_shift, uid_range, converted; | |
964 | int k; | |
965 | ||
966 | errno = 0; | |
967 | k = fscanf(f, UID_FMT " " UID_FMT " " UID_FMT, &uid_base, &uid_shift, &uid_range); | |
968 | if (k < 0 && feof(f)) | |
969 | break; | |
970 | if (k != 3) { | |
971 | if (ferror(f) && errno != 0) | |
972 | return -errno; | |
973 | ||
974 | return -EIO; | |
975 | } | |
976 | ||
977 | if (uid < uid_shift || uid >= uid_shift + uid_range) | |
978 | continue; | |
979 | ||
980 | converted = (uid - uid_shift + uid_base); | |
c077529b | 981 | if (!uid_is_valid(converted)) |
c01ff965 LP |
982 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
983 | ||
984 | o = machine_bus_path(machine); | |
985 | if (!o) | |
986 | return -ENOMEM; | |
987 | ||
988 | return sd_bus_reply_method_return(message, "sou", machine->name, o, (uint32_t) converted); | |
989 | } | |
990 | } | |
991 | ||
992 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "No matching user mapping for " UID_FMT ".", uid); | |
993 | } | |
994 | ||
995 | static int method_map_from_machine_group(sd_bus_message *message, void *groupdata, sd_bus_error *error) { | |
996 | _cleanup_fclose_ FILE *f = NULL; | |
997 | Manager *m = groupdata; | |
998 | const char *name, *p; | |
999 | Machine *machine; | |
1000 | uint32_t gid; | |
1001 | int r; | |
1002 | ||
1003 | r = sd_bus_message_read(message, "su", &name, &gid); | |
1004 | if (r < 0) | |
1005 | return r; | |
1006 | ||
c077529b | 1007 | if (!gid_is_valid(gid)) |
c01ff965 LP |
1008 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1009 | ||
1010 | machine = hashmap_get(m->machines, name); | |
1011 | if (!machine) | |
1012 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
1013 | ||
a79366e2 LP |
1014 | if (machine->class != MACHINE_CONTAINER) |
1015 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Not supported for non-container machines."); | |
1016 | ||
c01ff965 LP |
1017 | p = procfs_file_alloca(machine->leader, "gid_map"); |
1018 | f = fopen(p, "re"); | |
1019 | if (!f) | |
1020 | return -errno; | |
1021 | ||
1022 | for (;;) { | |
1023 | gid_t gid_base, gid_shift, gid_range, converted; | |
1024 | int k; | |
1025 | ||
1026 | errno = 0; | |
1027 | k = fscanf(f, GID_FMT " " GID_FMT " " GID_FMT, &gid_base, &gid_shift, &gid_range); | |
1028 | if (k < 0 && feof(f)) | |
1029 | break; | |
1030 | if (k != 3) { | |
1031 | if (ferror(f) && errno != 0) | |
1032 | return -errno; | |
1033 | ||
1034 | return -EIO; | |
1035 | } | |
1036 | ||
1037 | if (gid < gid_base || gid >= gid_base + gid_range) | |
1038 | continue; | |
1039 | ||
1040 | converted = gid - gid_base + gid_shift; | |
c077529b | 1041 | if (!gid_is_valid(converted)) |
c01ff965 LP |
1042 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1043 | ||
1044 | return sd_bus_reply_method_return(message, "u", (uint32_t) converted); | |
1045 | } | |
1046 | ||
1047 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "Machine '%s' has no matching group mappings.", name); | |
1048 | } | |
1049 | ||
1050 | static int method_map_to_machine_group(sd_bus_message *message, void *groupdata, sd_bus_error *error) { | |
1051 | Manager *m = groupdata; | |
1052 | Machine *machine; | |
1053 | gid_t gid; | |
1054 | Iterator i; | |
1055 | int r; | |
1056 | ||
1057 | r = sd_bus_message_read(message, "u", &gid); | |
1058 | if (r < 0) | |
1059 | return r; | |
c077529b | 1060 | if (!gid_is_valid(gid)) |
c01ff965 LP |
1061 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1062 | if (gid < 0x10000) | |
1063 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "Group " GID_FMT " belongs to host GID range", gid); | |
1064 | ||
1065 | HASHMAP_FOREACH(machine, m->machines, i) { | |
1066 | _cleanup_fclose_ FILE *f = NULL; | |
1067 | char p[strlen("/proc//gid_map") + DECIMAL_STR_MAX(pid_t) + 1]; | |
1068 | ||
a79366e2 LP |
1069 | if (machine->class != MACHINE_CONTAINER) |
1070 | continue; | |
1071 | ||
c01ff965 LP |
1072 | xsprintf(p, "/proc/" GID_FMT "/gid_map", machine->leader); |
1073 | f = fopen(p, "re"); | |
1074 | if (!f) { | |
1075 | log_warning_errno(errno, "Failed top open %s, ignoring,", p); | |
1076 | continue; | |
1077 | } | |
1078 | ||
1079 | for (;;) { | |
1080 | _cleanup_free_ char *o = NULL; | |
1081 | gid_t gid_base, gid_shift, gid_range, converted; | |
1082 | int k; | |
1083 | ||
1084 | errno = 0; | |
1085 | k = fscanf(f, GID_FMT " " GID_FMT " " GID_FMT, &gid_base, &gid_shift, &gid_range); | |
1086 | if (k < 0 && feof(f)) | |
1087 | break; | |
1088 | if (k != 3) { | |
1089 | if (ferror(f) && errno != 0) | |
1090 | return -errno; | |
1091 | ||
1092 | return -EIO; | |
1093 | } | |
1094 | ||
1095 | if (gid < gid_shift || gid >= gid_shift + gid_range) | |
1096 | continue; | |
1097 | ||
1098 | converted = (gid - gid_shift + gid_base); | |
c077529b | 1099 | if (!gid_is_valid(converted)) |
c01ff965 LP |
1100 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1101 | ||
1102 | o = machine_bus_path(machine); | |
1103 | if (!o) | |
1104 | return -ENOMEM; | |
1105 | ||
1106 | return sd_bus_reply_method_return(message, "sou", machine->name, o, (uint32_t) converted); | |
1107 | } | |
1108 | } | |
1109 | ||
1110 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "No matching group mapping for " GID_FMT ".", gid); | |
1111 | } | |
1112 | ||
c3350683 LP |
1113 | const sd_bus_vtable manager_vtable[] = { |
1114 | SD_BUS_VTABLE_START(0), | |
160e3793 LP |
1115 | SD_BUS_PROPERTY("PoolPath", "s", property_get_pool_path, 0, 0), |
1116 | SD_BUS_PROPERTY("PoolUsage", "t", property_get_pool_usage, 0, 0), | |
1117 | SD_BUS_PROPERTY("PoolLimit", "t", property_get_pool_limit, 0, 0), | |
adacb957 | 1118 | SD_BUS_METHOD("GetMachine", "s", "o", method_get_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
c2ce6a3d | 1119 | SD_BUS_METHOD("GetImage", "s", "o", method_get_image, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
1120 | SD_BUS_METHOD("GetMachineByPID", "u", "o", method_get_machine_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), |
1121 | SD_BUS_METHOD("ListMachines", NULL, "a(ssso)", method_list_machines, SD_BUS_VTABLE_UNPRIVILEGED), | |
b6b18498 | 1122 | SD_BUS_METHOD("ListImages", NULL, "a(ssbttto)", method_list_images, SD_BUS_VTABLE_UNPRIVILEGED), |
c3350683 | 1123 | SD_BUS_METHOD("CreateMachine", "sayssusa(sv)", "o", method_create_machine, 0), |
9b5ed6fe | 1124 | SD_BUS_METHOD("CreateMachineWithNetwork", "sayssusaia(sv)", "o", method_create_machine_with_network, 0), |
8d07a7c4 | 1125 | SD_BUS_METHOD("RegisterMachine", "sayssus", "o", method_register_machine, 0), |
9b5ed6fe | 1126 | SD_BUS_METHOD("RegisterMachineWithNetwork", "sayssusai", "o", method_register_machine_with_network, 0), |
70244d1d LP |
1127 | SD_BUS_METHOD("TerminateMachine", "s", NULL, method_terminate_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
1128 | SD_BUS_METHOD("KillMachine", "ssi", NULL, method_kill_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
3a6fb33c | 1129 | SD_BUS_METHOD("GetMachineAddresses", "s", "a(iay)", method_get_machine_addresses, SD_BUS_VTABLE_UNPRIVILEGED), |
717603e3 | 1130 | SD_BUS_METHOD("GetMachineOSRelease", "s", "a{ss}", method_get_machine_os_release, SD_BUS_VTABLE_UNPRIVILEGED), |
40205d70 | 1131 | SD_BUS_METHOD("OpenMachinePTY", "s", "hs", method_open_machine_pty, 0), |
d04c1fb8 | 1132 | SD_BUS_METHOD("OpenMachineLogin", "s", "hs", method_open_machine_login, SD_BUS_VTABLE_UNPRIVILEGED), |
49af9e13 | 1133 | SD_BUS_METHOD("OpenMachineShell", "sssasas", "hs", method_open_machine_shell, SD_BUS_VTABLE_UNPRIVILEGED), |
70244d1d LP |
1134 | SD_BUS_METHOD("BindMountMachine", "sssbb", NULL, method_bind_mount_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
1135 | SD_BUS_METHOD("CopyFromMachine", "sss", NULL, method_copy_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
1136 | SD_BUS_METHOD("CopyToMachine", "sss", NULL, method_copy_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
1137 | SD_BUS_METHOD("RemoveImage", "s", NULL, method_remove_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
1138 | SD_BUS_METHOD("RenameImage", "ss", NULL, method_rename_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
1139 | SD_BUS_METHOD("CloneImage", "ssb", NULL, method_clone_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
1140 | SD_BUS_METHOD("MarkImageReadOnly", "sb", NULL, method_mark_image_read_only, SD_BUS_VTABLE_UNPRIVILEGED), | |
d6ce17c7 LP |
1141 | SD_BUS_METHOD("SetPoolLimit", "t", NULL, method_set_pool_limit, SD_BUS_VTABLE_UNPRIVILEGED), |
1142 | SD_BUS_METHOD("SetImageLimit", "st", NULL, method_set_image_limit, SD_BUS_VTABLE_UNPRIVILEGED), | |
c01ff965 LP |
1143 | SD_BUS_METHOD("MapFromMachineUser", "su", "u", method_map_from_machine_user, SD_BUS_VTABLE_UNPRIVILEGED), |
1144 | SD_BUS_METHOD("MapToMachineUser", "u", "sou", method_map_to_machine_user, SD_BUS_VTABLE_UNPRIVILEGED), | |
1145 | SD_BUS_METHOD("MapFromMachineGroup", "su", "u", method_map_from_machine_group, SD_BUS_VTABLE_UNPRIVILEGED), | |
1146 | SD_BUS_METHOD("MapToMachineGroup", "u", "sou", method_map_to_machine_group, SD_BUS_VTABLE_UNPRIVILEGED), | |
c3350683 LP |
1147 | SD_BUS_SIGNAL("MachineNew", "so", 0), |
1148 | SD_BUS_SIGNAL("MachineRemoved", "so", 0), | |
1149 | SD_BUS_VTABLE_END | |
1150 | }; | |
1ee306e1 | 1151 | |
19070062 | 1152 | int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 1153 | const char *path, *result, *unit; |
1ee306e1 | 1154 | Manager *m = userdata; |
c3350683 LP |
1155 | Machine *machine; |
1156 | uint32_t id; | |
1157 | int r; | |
1ee306e1 | 1158 | |
1ee306e1 | 1159 | assert(message); |
c3350683 | 1160 | assert(m); |
1ee306e1 | 1161 | |
c3350683 LP |
1162 | r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result); |
1163 | if (r < 0) { | |
ebcf1f97 | 1164 | bus_log_parse_error(r); |
65d73cf0 | 1165 | return 0; |
c3350683 | 1166 | } |
6797c324 | 1167 | |
c3350683 LP |
1168 | machine = hashmap_get(m->machine_units, unit); |
1169 | if (!machine) | |
1170 | return 0; | |
6797c324 | 1171 | |
c3350683 | 1172 | if (streq_ptr(path, machine->scope_job)) { |
491ac9f2 | 1173 | machine->scope_job = mfree(machine->scope_job); |
6797c324 | 1174 | |
c3350683 LP |
1175 | if (machine->started) { |
1176 | if (streq(result, "done")) | |
1177 | machine_send_create_reply(machine, NULL); | |
1178 | else { | |
4afd3348 | 1179 | _cleanup_(sd_bus_error_free) sd_bus_error e = SD_BUS_ERROR_NULL; |
6797c324 | 1180 | |
ebcf1f97 | 1181 | sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result); |
6797c324 | 1182 | |
ebcf1f97 | 1183 | machine_send_create_reply(machine, &e); |
c3350683 | 1184 | } |
49f3fffd LP |
1185 | } |
1186 | ||
1187 | machine_save(machine); | |
1ee306e1 LP |
1188 | } |
1189 | ||
c3350683 LP |
1190 | machine_add_to_gc_queue(machine); |
1191 | return 0; | |
1ee306e1 LP |
1192 | } |
1193 | ||
19070062 | 1194 | int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 1195 | _cleanup_free_ char *unit = NULL; |
49f3fffd | 1196 | const char *path; |
c3350683 LP |
1197 | Manager *m = userdata; |
1198 | Machine *machine; | |
ebcf1f97 | 1199 | int r; |
554604b3 | 1200 | |
c3350683 LP |
1201 | assert(message); |
1202 | assert(m); | |
554604b3 | 1203 | |
c3350683 LP |
1204 | path = sd_bus_message_get_path(message); |
1205 | if (!path) | |
554604b3 | 1206 | return 0; |
554604b3 | 1207 | |
ebcf1f97 | 1208 | r = unit_name_from_dbus_path(path, &unit); |
e5f5b5b9 LP |
1209 | if (r == -EINVAL) /* not for a unit */ |
1210 | return 0; | |
9b420b3c LP |
1211 | if (r < 0){ |
1212 | log_oom(); | |
1213 | return 0; | |
1214 | } | |
554604b3 | 1215 | |
c3350683 | 1216 | machine = hashmap_get(m->machine_units, unit); |
9b420b3c LP |
1217 | if (!machine) |
1218 | return 0; | |
1219 | ||
9b420b3c | 1220 | machine_add_to_gc_queue(machine); |
c3350683 LP |
1221 | return 0; |
1222 | } | |
554604b3 | 1223 | |
19070062 | 1224 | int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
1225 | const char *path, *unit; |
1226 | Manager *m = userdata; | |
1227 | Machine *machine; | |
1228 | int r; | |
554604b3 | 1229 | |
c3350683 LP |
1230 | assert(message); |
1231 | assert(m); | |
554604b3 | 1232 | |
c3350683 LP |
1233 | r = sd_bus_message_read(message, "so", &unit, &path); |
1234 | if (r < 0) { | |
ebcf1f97 | 1235 | bus_log_parse_error(r); |
9b420b3c | 1236 | return 0; |
554604b3 LP |
1237 | } |
1238 | ||
c3350683 | 1239 | machine = hashmap_get(m->machine_units, unit); |
9b420b3c LP |
1240 | if (!machine) |
1241 | return 0; | |
1242 | ||
9b420b3c | 1243 | machine_add_to_gc_queue(machine); |
c3350683 LP |
1244 | return 0; |
1245 | } | |
554604b3 | 1246 | |
19070062 | 1247 | int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 1248 | Manager *m = userdata; |
a658cafa LP |
1249 | Machine *machine; |
1250 | Iterator i; | |
c3350683 | 1251 | int b, r; |
554604b3 | 1252 | |
19070062 LP |
1253 | assert(message); |
1254 | assert(m); | |
554604b3 | 1255 | |
c3350683 LP |
1256 | r = sd_bus_message_read(message, "b", &b); |
1257 | if (r < 0) { | |
ebcf1f97 | 1258 | bus_log_parse_error(r); |
65d73cf0 | 1259 | return 0; |
554604b3 | 1260 | } |
a658cafa LP |
1261 | if (b) |
1262 | return 0; | |
554604b3 | 1263 | |
a658cafa LP |
1264 | /* systemd finished reloading, let's recheck all our machines */ |
1265 | log_debug("System manager has been reloaded, rechecking machines..."); | |
554604b3 | 1266 | |
a658cafa LP |
1267 | HASHMAP_FOREACH(machine, m->machines, i) |
1268 | machine_add_to_gc_queue(machine); | |
554604b3 LP |
1269 | |
1270 | return 0; | |
1271 | } | |
1272 | ||
1ee306e1 LP |
1273 | int manager_start_scope( |
1274 | Manager *manager, | |
1275 | const char *scope, | |
1276 | pid_t pid, | |
1277 | const char *slice, | |
1278 | const char *description, | |
c3350683 LP |
1279 | sd_bus_message *more_properties, |
1280 | sd_bus_error *error, | |
1ee306e1 LP |
1281 | char **job) { |
1282 | ||
4afd3348 | 1283 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; |
554604b3 | 1284 | int r; |
1ee306e1 LP |
1285 | |
1286 | assert(manager); | |
1287 | assert(scope); | |
1288 | assert(pid > 1); | |
1289 | ||
c3350683 LP |
1290 | r = sd_bus_message_new_method_call( |
1291 | manager->bus, | |
151b9b96 | 1292 | &m, |
1ee306e1 LP |
1293 | "org.freedesktop.systemd1", |
1294 | "/org/freedesktop/systemd1", | |
1295 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 1296 | "StartTransientUnit"); |
c3350683 LP |
1297 | if (r < 0) |
1298 | return r; | |
1ee306e1 | 1299 | |
a658cafa | 1300 | r = sd_bus_message_append(m, "ss", strempty(scope), "fail"); |
c3350683 LP |
1301 | if (r < 0) |
1302 | return r; | |
1ee306e1 | 1303 | |
c3350683 LP |
1304 | r = sd_bus_message_open_container(m, 'a', "(sv)"); |
1305 | if (r < 0) | |
1306 | return r; | |
1ee306e1 LP |
1307 | |
1308 | if (!isempty(slice)) { | |
c3350683 LP |
1309 | r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice); |
1310 | if (r < 0) | |
1311 | return r; | |
1ee306e1 LP |
1312 | } |
1313 | ||
1314 | if (!isempty(description)) { | |
c3350683 LP |
1315 | r = sd_bus_message_append(m, "(sv)", "Description", "s", description); |
1316 | if (r < 0) | |
1317 | return r; | |
1ee306e1 LP |
1318 | } |
1319 | ||
c3350683 LP |
1320 | r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid); |
1321 | if (r < 0) | |
1322 | return r; | |
554604b3 | 1323 | |
a931ad47 LP |
1324 | r = sd_bus_message_append(m, "(sv)", "Delegate", "b", 1); |
1325 | if (r < 0) | |
1326 | return r; | |
1327 | ||
554604b3 | 1328 | if (more_properties) { |
c3350683 | 1329 | r = sd_bus_message_copy(m, more_properties, true); |
554604b3 LP |
1330 | if (r < 0) |
1331 | return r; | |
1332 | } | |
1333 | ||
c3350683 LP |
1334 | r = sd_bus_message_close_container(m); |
1335 | if (r < 0) | |
1336 | return r; | |
1ee306e1 | 1337 | |
86b8d289 LP |
1338 | r = sd_bus_message_append(m, "a(sa(sv))", 0); |
1339 | if (r < 0) | |
1340 | return r; | |
1341 | ||
c49b30a2 | 1342 | r = sd_bus_call(manager->bus, m, 0, error, &reply); |
c3350683 LP |
1343 | if (r < 0) |
1344 | return r; | |
1ee306e1 LP |
1345 | |
1346 | if (job) { | |
1347 | const char *j; | |
1348 | char *copy; | |
1349 | ||
c3350683 LP |
1350 | r = sd_bus_message_read(reply, "o", &j); |
1351 | if (r < 0) | |
1352 | return r; | |
1ee306e1 LP |
1353 | |
1354 | copy = strdup(j); | |
1355 | if (!copy) | |
1356 | return -ENOMEM; | |
1357 | ||
1358 | *job = copy; | |
1359 | } | |
1360 | ||
c3350683 | 1361 | return 1; |
1ee306e1 LP |
1362 | } |
1363 | ||
c3350683 | 1364 | int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { |
4afd3348 | 1365 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
1ee306e1 LP |
1366 | int r; |
1367 | ||
1368 | assert(manager); | |
1369 | assert(unit); | |
1370 | ||
c3350683 | 1371 | r = sd_bus_call_method( |
1ee306e1 LP |
1372 | manager->bus, |
1373 | "org.freedesktop.systemd1", | |
1374 | "/org/freedesktop/systemd1", | |
1375 | "org.freedesktop.systemd1.Manager", | |
1376 | "StopUnit", | |
1ee306e1 | 1377 | error, |
c3350683 LP |
1378 | &reply, |
1379 | "ss", unit, "fail"); | |
1ee306e1 | 1380 | if (r < 0) { |
c3350683 LP |
1381 | if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) || |
1382 | sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) { | |
6797c324 LP |
1383 | |
1384 | if (job) | |
1385 | *job = NULL; | |
1386 | ||
c3350683 | 1387 | sd_bus_error_free(error); |
6797c324 LP |
1388 | return 0; |
1389 | } | |
1390 | ||
1ee306e1 LP |
1391 | return r; |
1392 | } | |
1393 | ||
1394 | if (job) { | |
1395 | const char *j; | |
1396 | char *copy; | |
1397 | ||
c3350683 LP |
1398 | r = sd_bus_message_read(reply, "o", &j); |
1399 | if (r < 0) | |
1400 | return r; | |
1ee306e1 LP |
1401 | |
1402 | copy = strdup(j); | |
1403 | if (!copy) | |
1404 | return -ENOMEM; | |
1405 | ||
1406 | *job = copy; | |
1407 | } | |
1408 | ||
6797c324 | 1409 | return 1; |
1ee306e1 LP |
1410 | } |
1411 | ||
de58a50e | 1412 | int manager_kill_unit(Manager *manager, const char *unit, int signo, sd_bus_error *error) { |
1ee306e1 LP |
1413 | assert(manager); |
1414 | assert(unit); | |
1415 | ||
a658cafa | 1416 | return sd_bus_call_method( |
1ee306e1 LP |
1417 | manager->bus, |
1418 | "org.freedesktop.systemd1", | |
1419 | "/org/freedesktop/systemd1", | |
1420 | "org.freedesktop.systemd1.Manager", | |
1421 | "KillUnit", | |
1ee306e1 | 1422 | error, |
a658cafa | 1423 | NULL, |
de58a50e | 1424 | "ssi", unit, "all", signo); |
1ee306e1 LP |
1425 | } |
1426 | ||
1427 | int manager_unit_is_active(Manager *manager, const char *unit) { | |
4afd3348 LP |
1428 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
1429 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
1ee306e1 | 1430 | _cleanup_free_ char *path = NULL; |
1ee306e1 | 1431 | const char *state; |
1ee306e1 LP |
1432 | int r; |
1433 | ||
1434 | assert(manager); | |
1435 | assert(unit); | |
1436 | ||
1ee306e1 LP |
1437 | path = unit_dbus_path_from_name(unit); |
1438 | if (!path) | |
1439 | return -ENOMEM; | |
1440 | ||
c3350683 | 1441 | r = sd_bus_get_property( |
1ee306e1 LP |
1442 | manager->bus, |
1443 | "org.freedesktop.systemd1", | |
1444 | path, | |
c3350683 LP |
1445 | "org.freedesktop.systemd1.Unit", |
1446 | "ActiveState", | |
1ee306e1 | 1447 | &error, |
c3350683 LP |
1448 | &reply, |
1449 | "s"); | |
1ee306e1 | 1450 | if (r < 0) { |
c3350683 LP |
1451 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || |
1452 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
6797c324 | 1453 | return true; |
6797c324 | 1454 | |
c3350683 LP |
1455 | if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) || |
1456 | sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED)) | |
6797c324 | 1457 | return false; |
6797c324 | 1458 | |
1ee306e1 LP |
1459 | return r; |
1460 | } | |
1461 | ||
c3350683 LP |
1462 | r = sd_bus_message_read(reply, "s", &state); |
1463 | if (r < 0) | |
1ee306e1 | 1464 | return -EINVAL; |
1ee306e1 | 1465 | |
9b420b3c | 1466 | return !STR_IN_SET(state, "inactive", "failed"); |
1ee306e1 | 1467 | } |
bd16acf3 | 1468 | |
c3350683 | 1469 | int manager_job_is_active(Manager *manager, const char *path) { |
4afd3348 LP |
1470 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
1471 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
c3350683 | 1472 | int r; |
bd16acf3 | 1473 | |
c3350683 LP |
1474 | assert(manager); |
1475 | assert(path); | |
bd16acf3 | 1476 | |
c3350683 LP |
1477 | r = sd_bus_get_property( |
1478 | manager->bus, | |
1479 | "org.freedesktop.systemd1", | |
1480 | path, | |
1481 | "org.freedesktop.systemd1.Job", | |
1482 | "State", | |
1483 | &error, | |
1484 | &reply, | |
1485 | "s"); | |
1486 | if (r < 0) { | |
1487 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || | |
1488 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
1489 | return true; | |
bd16acf3 | 1490 | |
c3350683 LP |
1491 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT)) |
1492 | return false; | |
bd16acf3 | 1493 | |
bd16acf3 | 1494 | return r; |
c3350683 | 1495 | } |
bd16acf3 | 1496 | |
c3350683 LP |
1497 | /* We don't actually care about the state really. The fact |
1498 | * that we could read the job state is enough for us */ | |
bd16acf3 | 1499 | |
c3350683 | 1500 | return true; |
bd16acf3 | 1501 | } |
ab49725f KS |
1502 | |
1503 | int manager_get_machine_by_pid(Manager *m, pid_t pid, Machine **machine) { | |
ab49725f KS |
1504 | Machine *mm; |
1505 | int r; | |
1506 | ||
1507 | assert(m); | |
1508 | assert(pid >= 1); | |
1509 | assert(machine); | |
1510 | ||
4a0b58c4 | 1511 | mm = hashmap_get(m->machine_leaders, PID_TO_PTR(pid)); |
077c8c36 LP |
1512 | if (!mm) { |
1513 | _cleanup_free_ char *unit = NULL; | |
ab49725f | 1514 | |
077c8c36 LP |
1515 | r = cg_pid_get_unit(pid, &unit); |
1516 | if (r >= 0) | |
1517 | mm = hashmap_get(m->machine_units, unit); | |
1518 | } | |
ab49725f KS |
1519 | if (!mm) |
1520 | return 0; | |
1521 | ||
1522 | *machine = mm; | |
1523 | return 1; | |
1524 | } | |
1525 | ||
1526 | int manager_add_machine(Manager *m, const char *name, Machine **_machine) { | |
1527 | Machine *machine; | |
1528 | ||
1529 | assert(m); | |
1530 | assert(name); | |
1531 | ||
1532 | machine = hashmap_get(m->machines, name); | |
1533 | if (!machine) { | |
fbe55073 | 1534 | machine = machine_new(m, _MACHINE_CLASS_INVALID, name); |
ab49725f KS |
1535 | if (!machine) |
1536 | return -ENOMEM; | |
1537 | } | |
1538 | ||
1539 | if (_machine) | |
1540 | *_machine = machine; | |
1541 | ||
1542 | return 0; | |
1543 | } |