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