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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 | ||
19070062 | 709 | static int method_remove_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
08682124 LP |
710 | _cleanup_(image_unrefp) Image* i = NULL; |
711 | const char *name; | |
712 | int r; | |
713 | ||
08682124 LP |
714 | assert(message); |
715 | ||
716 | r = sd_bus_message_read(message, "s", &name); | |
717 | if (r < 0) | |
718 | return r; | |
719 | ||
720 | if (!image_name_is_valid(name)) | |
721 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
722 | ||
723 | r = image_find(name, &i); | |
724 | if (r < 0) | |
725 | return r; | |
726 | if (r == 0) | |
727 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
728 | ||
70244d1d | 729 | i->userdata = userdata; |
19070062 | 730 | return bus_image_method_remove(message, i, error); |
08682124 LP |
731 | } |
732 | ||
19070062 | 733 | static int method_rename_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
ebd93cb6 | 734 | _cleanup_(image_unrefp) Image* i = NULL; |
1ddb263d | 735 | const char *old_name; |
ebd93cb6 LP |
736 | int r; |
737 | ||
ebd93cb6 LP |
738 | assert(message); |
739 | ||
1ddb263d | 740 | r = sd_bus_message_read(message, "s", &old_name); |
ebd93cb6 LP |
741 | if (r < 0) |
742 | return r; | |
743 | ||
744 | if (!image_name_is_valid(old_name)) | |
745 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", old_name); | |
ebd93cb6 LP |
746 | |
747 | r = image_find(old_name, &i); | |
748 | if (r < 0) | |
749 | return r; | |
750 | if (r == 0) | |
751 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", old_name); | |
752 | ||
70244d1d | 753 | i->userdata = userdata; |
19070062 | 754 | return bus_image_method_rename(message, i, error); |
ebd93cb6 LP |
755 | } |
756 | ||
19070062 | 757 | static int method_clone_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
ebd93cb6 | 758 | _cleanup_(image_unrefp) Image *i = NULL; |
1ddb263d LP |
759 | const char *old_name; |
760 | int r; | |
ebd93cb6 | 761 | |
19070062 LP |
762 | assert(message); |
763 | ||
1ddb263d | 764 | r = sd_bus_message_read(message, "s", &old_name); |
ebd93cb6 LP |
765 | if (r < 0) |
766 | return r; | |
767 | ||
768 | if (!image_name_is_valid(old_name)) | |
769 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", old_name); | |
ebd93cb6 LP |
770 | |
771 | r = image_find(old_name, &i); | |
772 | if (r < 0) | |
773 | return r; | |
774 | if (r == 0) | |
775 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", old_name); | |
776 | ||
70244d1d | 777 | i->userdata = userdata; |
19070062 | 778 | return bus_image_method_clone(message, i, error); |
ebd93cb6 LP |
779 | } |
780 | ||
19070062 | 781 | static int method_mark_image_read_only(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
ebd93cb6 LP |
782 | _cleanup_(image_unrefp) Image *i = NULL; |
783 | const char *name; | |
1ddb263d | 784 | int r; |
ebd93cb6 | 785 | |
19070062 LP |
786 | assert(message); |
787 | ||
1ddb263d | 788 | r = sd_bus_message_read(message, "s", &name); |
ebd93cb6 LP |
789 | if (r < 0) |
790 | return r; | |
791 | ||
792 | if (!image_name_is_valid(name)) | |
793 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
794 | ||
795 | r = image_find(name, &i); | |
796 | if (r < 0) | |
797 | return r; | |
798 | if (r == 0) | |
799 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
800 | ||
70244d1d | 801 | i->userdata = userdata; |
19070062 | 802 | return bus_image_method_mark_read_only(message, i, error); |
ebd93cb6 LP |
803 | } |
804 | ||
d94c2b06 LP |
805 | static int method_clean_pool(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
806 | enum { | |
807 | REMOVE_ALL, | |
808 | REMOVE_HIDDEN, | |
809 | } mode; | |
810 | ||
811 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
812 | _cleanup_(image_hashmap_freep) Hashmap *images = NULL; | |
813 | Manager *m = userdata; | |
814 | Image *image; | |
815 | const char *mm; | |
816 | Iterator i; | |
817 | int r; | |
818 | ||
819 | assert(message); | |
820 | ||
821 | r = sd_bus_message_read(message, "s", &mm); | |
822 | if (r < 0) | |
823 | return r; | |
824 | ||
825 | if (streq(mm, "all")) | |
826 | mode = REMOVE_ALL; | |
827 | else if (streq(mm, "hidden")) | |
828 | mode = REMOVE_HIDDEN; | |
829 | else | |
830 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown mode '%s'.", mm); | |
831 | ||
832 | r = bus_verify_polkit_async( | |
833 | message, | |
834 | CAP_SYS_ADMIN, | |
835 | "org.freedesktop.machine1.manage-machines", | |
836 | NULL, | |
837 | false, | |
838 | UID_INVALID, | |
839 | &m->polkit_registry, | |
840 | error); | |
841 | if (r < 0) | |
842 | return r; | |
843 | if (r == 0) | |
844 | return 1; /* Will call us back */ | |
845 | ||
846 | images = hashmap_new(&string_hash_ops); | |
847 | if (!images) | |
848 | return -ENOMEM; | |
849 | ||
850 | r = image_discover(images); | |
851 | if (r < 0) | |
852 | return r; | |
853 | ||
854 | r = sd_bus_message_new_method_return(message, &reply); | |
855 | if (r < 0) | |
856 | return r; | |
857 | ||
858 | r = sd_bus_message_open_container(reply, 'a', "(st)"); | |
859 | if (r < 0) | |
860 | return r; | |
861 | ||
862 | HASHMAP_FOREACH(image, images, i) { | |
863 | ||
864 | /* We can't remove vendor images (i.e. those in /usr) */ | |
865 | if (IMAGE_IS_VENDOR(image)) | |
866 | continue; | |
867 | ||
868 | if (IMAGE_IS_HOST(image)) | |
869 | continue; | |
870 | ||
871 | if (mode == REMOVE_HIDDEN && !IMAGE_IS_HIDDEN(image)) | |
872 | continue; | |
873 | ||
874 | r = image_remove(image); | |
875 | if (r == -EBUSY) /* keep images that are currently being used. */ | |
876 | continue; | |
877 | if (r < 0) | |
878 | return sd_bus_error_set_errnof(error, r, "Failed to remove image %s: %m", image->name); | |
879 | ||
880 | r = sd_bus_message_append(reply, "(st)", image->name, image->usage_exclusive); | |
881 | if (r < 0) | |
882 | return r; | |
883 | } | |
884 | ||
885 | r = sd_bus_message_close_container(reply); | |
886 | if (r < 0) | |
887 | return r; | |
888 | ||
889 | return sd_bus_send(NULL, reply, NULL); | |
890 | } | |
891 | ||
19070062 | 892 | static int method_set_pool_limit(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
d6ce17c7 LP |
893 | Manager *m = userdata; |
894 | uint64_t limit; | |
895 | int r; | |
896 | ||
19070062 LP |
897 | assert(message); |
898 | ||
d6ce17c7 LP |
899 | r = sd_bus_message_read(message, "t", &limit); |
900 | if (r < 0) | |
901 | return r; | |
a90fb858 LP |
902 | if (!FILE_SIZE_VALID_OR_INFINITY(limit)) |
903 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "New limit out of range"); | |
d6ce17c7 LP |
904 | |
905 | r = bus_verify_polkit_async( | |
906 | message, | |
907 | CAP_SYS_ADMIN, | |
908 | "org.freedesktop.machine1.manage-machines", | |
403ed0e5 | 909 | NULL, |
d6ce17c7 LP |
910 | false, |
911 | UID_INVALID, | |
912 | &m->polkit_registry, | |
913 | error); | |
914 | if (r < 0) | |
915 | return r; | |
916 | if (r == 0) | |
917 | return 1; /* Will call us back */ | |
918 | ||
4cee5eed LP |
919 | /* Set up the machine directory if necessary */ |
920 | r = setup_machine_directory(limit, error); | |
921 | if (r < 0) | |
922 | return r; | |
923 | ||
05e8f270 LP |
924 | /* Resize the backing loopback device, if there is one, except if we asked to drop any limit */ |
925 | if (limit != (uint64_t) -1) { | |
926 | r = btrfs_resize_loopback("/var/lib/machines", limit, false); | |
927 | if (r == -ENOTTY) | |
928 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Quota is only supported on btrfs."); | |
929 | if (r < 0 && r != -ENODEV) /* ignore ENODEV, as that's what is returned if the file system is not on loopback */ | |
930 | return sd_bus_error_set_errnof(error, r, "Failed to adjust loopback limit: %m"); | |
931 | } | |
efe02862 | 932 | |
5bcd08db LP |
933 | (void) btrfs_qgroup_set_limit("/var/lib/machines", 0, limit); |
934 | ||
935 | r = btrfs_subvol_set_subtree_quota_limit("/var/lib/machines", 0, limit); | |
d6ce17c7 LP |
936 | if (r == -ENOTTY) |
937 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Quota is only supported on btrfs."); | |
26166c88 | 938 | if (r < 0) |
d6ce17c7 LP |
939 | return sd_bus_error_set_errnof(error, r, "Failed to adjust quota limit: %m"); |
940 | ||
941 | return sd_bus_reply_method_return(message, NULL); | |
942 | } | |
943 | ||
19070062 | 944 | static int method_set_image_limit(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
d6ce17c7 LP |
945 | _cleanup_(image_unrefp) Image *i = NULL; |
946 | const char *name; | |
947 | int r; | |
948 | ||
19070062 LP |
949 | assert(message); |
950 | ||
d6ce17c7 LP |
951 | r = sd_bus_message_read(message, "s", &name); |
952 | if (r < 0) | |
953 | return r; | |
954 | ||
955 | if (!image_name_is_valid(name)) | |
956 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
957 | ||
958 | r = image_find(name, &i); | |
959 | if (r < 0) | |
960 | return r; | |
961 | if (r == 0) | |
962 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
963 | ||
964 | i->userdata = userdata; | |
19070062 | 965 | return bus_image_method_set_limit(message, i, error); |
d6ce17c7 LP |
966 | } |
967 | ||
c01ff965 LP |
968 | static int method_map_from_machine_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
969 | _cleanup_fclose_ FILE *f = NULL; | |
970 | Manager *m = userdata; | |
971 | const char *name, *p; | |
972 | Machine *machine; | |
973 | uint32_t uid; | |
974 | int r; | |
975 | ||
976 | r = sd_bus_message_read(message, "su", &name, &uid); | |
977 | if (r < 0) | |
978 | return r; | |
979 | ||
c077529b | 980 | if (!uid_is_valid(uid)) |
c01ff965 LP |
981 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
982 | ||
983 | machine = hashmap_get(m->machines, name); | |
984 | if (!machine) | |
985 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
986 | ||
a79366e2 LP |
987 | if (machine->class != MACHINE_CONTAINER) |
988 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Not supported for non-container machines."); | |
989 | ||
c01ff965 LP |
990 | p = procfs_file_alloca(machine->leader, "uid_map"); |
991 | f = fopen(p, "re"); | |
992 | if (!f) | |
993 | return -errno; | |
994 | ||
995 | for (;;) { | |
996 | uid_t uid_base, uid_shift, uid_range, converted; | |
997 | int k; | |
998 | ||
999 | errno = 0; | |
1000 | k = fscanf(f, UID_FMT " " UID_FMT " " UID_FMT, &uid_base, &uid_shift, &uid_range); | |
1001 | if (k < 0 && feof(f)) | |
1002 | break; | |
1003 | if (k != 3) { | |
b3267152 | 1004 | if (ferror(f) && errno > 0) |
c01ff965 LP |
1005 | return -errno; |
1006 | ||
1007 | return -EIO; | |
1008 | } | |
1009 | ||
1010 | if (uid < uid_base || uid >= uid_base + uid_range) | |
1011 | continue; | |
1012 | ||
1013 | converted = uid - uid_base + uid_shift; | |
c077529b | 1014 | if (!uid_is_valid(converted)) |
c01ff965 LP |
1015 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
1016 | ||
1017 | return sd_bus_reply_method_return(message, "u", (uint32_t) converted); | |
1018 | } | |
1019 | ||
1020 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "Machine '%s' has no matching user mappings.", name); | |
1021 | } | |
1022 | ||
1023 | static int method_map_to_machine_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
1024 | Manager *m = userdata; | |
1025 | Machine *machine; | |
1026 | uid_t uid; | |
1027 | Iterator i; | |
1028 | int r; | |
1029 | ||
1030 | r = sd_bus_message_read(message, "u", &uid); | |
1031 | if (r < 0) | |
1032 | return r; | |
c077529b | 1033 | if (!uid_is_valid(uid)) |
c01ff965 LP |
1034 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
1035 | if (uid < 0x10000) | |
1036 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "User " UID_FMT " belongs to host UID range", uid); | |
1037 | ||
1038 | HASHMAP_FOREACH(machine, m->machines, i) { | |
1039 | _cleanup_fclose_ FILE *f = NULL; | |
1040 | char p[strlen("/proc//uid_map") + DECIMAL_STR_MAX(pid_t) + 1]; | |
1041 | ||
a79366e2 LP |
1042 | if (machine->class != MACHINE_CONTAINER) |
1043 | continue; | |
1044 | ||
c01ff965 LP |
1045 | xsprintf(p, "/proc/" UID_FMT "/uid_map", machine->leader); |
1046 | f = fopen(p, "re"); | |
1047 | if (!f) { | |
1048 | log_warning_errno(errno, "Failed top open %s, ignoring,", p); | |
1049 | continue; | |
1050 | } | |
1051 | ||
1052 | for (;;) { | |
1053 | _cleanup_free_ char *o = NULL; | |
1054 | uid_t uid_base, uid_shift, uid_range, converted; | |
1055 | int k; | |
1056 | ||
1057 | errno = 0; | |
1058 | k = fscanf(f, UID_FMT " " UID_FMT " " UID_FMT, &uid_base, &uid_shift, &uid_range); | |
1059 | if (k < 0 && feof(f)) | |
1060 | break; | |
1061 | if (k != 3) { | |
b3267152 | 1062 | if (ferror(f) && errno > 0) |
c01ff965 LP |
1063 | return -errno; |
1064 | ||
1065 | return -EIO; | |
1066 | } | |
1067 | ||
1068 | if (uid < uid_shift || uid >= uid_shift + uid_range) | |
1069 | continue; | |
1070 | ||
1071 | converted = (uid - uid_shift + uid_base); | |
c077529b | 1072 | if (!uid_is_valid(converted)) |
c01ff965 LP |
1073 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
1074 | ||
1075 | o = machine_bus_path(machine); | |
1076 | if (!o) | |
1077 | return -ENOMEM; | |
1078 | ||
1079 | return sd_bus_reply_method_return(message, "sou", machine->name, o, (uint32_t) converted); | |
1080 | } | |
1081 | } | |
1082 | ||
1083 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "No matching user mapping for " UID_FMT ".", uid); | |
1084 | } | |
1085 | ||
1086 | static int method_map_from_machine_group(sd_bus_message *message, void *groupdata, sd_bus_error *error) { | |
1087 | _cleanup_fclose_ FILE *f = NULL; | |
1088 | Manager *m = groupdata; | |
1089 | const char *name, *p; | |
1090 | Machine *machine; | |
1091 | uint32_t gid; | |
1092 | int r; | |
1093 | ||
1094 | r = sd_bus_message_read(message, "su", &name, &gid); | |
1095 | if (r < 0) | |
1096 | return r; | |
1097 | ||
c077529b | 1098 | if (!gid_is_valid(gid)) |
c01ff965 LP |
1099 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1100 | ||
1101 | machine = hashmap_get(m->machines, name); | |
1102 | if (!machine) | |
1103 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
1104 | ||
a79366e2 LP |
1105 | if (machine->class != MACHINE_CONTAINER) |
1106 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Not supported for non-container machines."); | |
1107 | ||
c01ff965 LP |
1108 | p = procfs_file_alloca(machine->leader, "gid_map"); |
1109 | f = fopen(p, "re"); | |
1110 | if (!f) | |
1111 | return -errno; | |
1112 | ||
1113 | for (;;) { | |
1114 | gid_t gid_base, gid_shift, gid_range, converted; | |
1115 | int k; | |
1116 | ||
1117 | errno = 0; | |
1118 | k = fscanf(f, GID_FMT " " GID_FMT " " GID_FMT, &gid_base, &gid_shift, &gid_range); | |
1119 | if (k < 0 && feof(f)) | |
1120 | break; | |
1121 | if (k != 3) { | |
b3267152 | 1122 | if (ferror(f) && errno > 0) |
c01ff965 LP |
1123 | return -errno; |
1124 | ||
1125 | return -EIO; | |
1126 | } | |
1127 | ||
1128 | if (gid < gid_base || gid >= gid_base + gid_range) | |
1129 | continue; | |
1130 | ||
1131 | converted = gid - gid_base + gid_shift; | |
c077529b | 1132 | if (!gid_is_valid(converted)) |
c01ff965 LP |
1133 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1134 | ||
1135 | return sd_bus_reply_method_return(message, "u", (uint32_t) converted); | |
1136 | } | |
1137 | ||
1138 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "Machine '%s' has no matching group mappings.", name); | |
1139 | } | |
1140 | ||
1141 | static int method_map_to_machine_group(sd_bus_message *message, void *groupdata, sd_bus_error *error) { | |
1142 | Manager *m = groupdata; | |
1143 | Machine *machine; | |
1144 | gid_t gid; | |
1145 | Iterator i; | |
1146 | int r; | |
1147 | ||
1148 | r = sd_bus_message_read(message, "u", &gid); | |
1149 | if (r < 0) | |
1150 | return r; | |
c077529b | 1151 | if (!gid_is_valid(gid)) |
c01ff965 LP |
1152 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1153 | if (gid < 0x10000) | |
1154 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "Group " GID_FMT " belongs to host GID range", gid); | |
1155 | ||
1156 | HASHMAP_FOREACH(machine, m->machines, i) { | |
1157 | _cleanup_fclose_ FILE *f = NULL; | |
1158 | char p[strlen("/proc//gid_map") + DECIMAL_STR_MAX(pid_t) + 1]; | |
1159 | ||
a79366e2 LP |
1160 | if (machine->class != MACHINE_CONTAINER) |
1161 | continue; | |
1162 | ||
c01ff965 LP |
1163 | xsprintf(p, "/proc/" GID_FMT "/gid_map", machine->leader); |
1164 | f = fopen(p, "re"); | |
1165 | if (!f) { | |
1166 | log_warning_errno(errno, "Failed top open %s, ignoring,", p); | |
1167 | continue; | |
1168 | } | |
1169 | ||
1170 | for (;;) { | |
1171 | _cleanup_free_ char *o = NULL; | |
1172 | gid_t gid_base, gid_shift, gid_range, converted; | |
1173 | int k; | |
1174 | ||
1175 | errno = 0; | |
1176 | k = fscanf(f, GID_FMT " " GID_FMT " " GID_FMT, &gid_base, &gid_shift, &gid_range); | |
1177 | if (k < 0 && feof(f)) | |
1178 | break; | |
1179 | if (k != 3) { | |
b3267152 | 1180 | if (ferror(f) && errno > 0) |
c01ff965 LP |
1181 | return -errno; |
1182 | ||
1183 | return -EIO; | |
1184 | } | |
1185 | ||
1186 | if (gid < gid_shift || gid >= gid_shift + gid_range) | |
1187 | continue; | |
1188 | ||
1189 | converted = (gid - gid_shift + gid_base); | |
c077529b | 1190 | if (!gid_is_valid(converted)) |
c01ff965 LP |
1191 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1192 | ||
1193 | o = machine_bus_path(machine); | |
1194 | if (!o) | |
1195 | return -ENOMEM; | |
1196 | ||
1197 | return sd_bus_reply_method_return(message, "sou", machine->name, o, (uint32_t) converted); | |
1198 | } | |
1199 | } | |
1200 | ||
1201 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "No matching group mapping for " GID_FMT ".", gid); | |
1202 | } | |
1203 | ||
c3350683 LP |
1204 | const sd_bus_vtable manager_vtable[] = { |
1205 | SD_BUS_VTABLE_START(0), | |
160e3793 LP |
1206 | SD_BUS_PROPERTY("PoolPath", "s", property_get_pool_path, 0, 0), |
1207 | SD_BUS_PROPERTY("PoolUsage", "t", property_get_pool_usage, 0, 0), | |
1208 | SD_BUS_PROPERTY("PoolLimit", "t", property_get_pool_limit, 0, 0), | |
adacb957 | 1209 | SD_BUS_METHOD("GetMachine", "s", "o", method_get_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
c2ce6a3d | 1210 | SD_BUS_METHOD("GetImage", "s", "o", method_get_image, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
1211 | SD_BUS_METHOD("GetMachineByPID", "u", "o", method_get_machine_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), |
1212 | SD_BUS_METHOD("ListMachines", NULL, "a(ssso)", method_list_machines, SD_BUS_VTABLE_UNPRIVILEGED), | |
b6b18498 | 1213 | SD_BUS_METHOD("ListImages", NULL, "a(ssbttto)", method_list_images, SD_BUS_VTABLE_UNPRIVILEGED), |
c3350683 | 1214 | SD_BUS_METHOD("CreateMachine", "sayssusa(sv)", "o", method_create_machine, 0), |
9b5ed6fe | 1215 | SD_BUS_METHOD("CreateMachineWithNetwork", "sayssusaia(sv)", "o", method_create_machine_with_network, 0), |
8d07a7c4 | 1216 | SD_BUS_METHOD("RegisterMachine", "sayssus", "o", method_register_machine, 0), |
9b5ed6fe | 1217 | SD_BUS_METHOD("RegisterMachineWithNetwork", "sayssusai", "o", method_register_machine_with_network, 0), |
70244d1d LP |
1218 | SD_BUS_METHOD("TerminateMachine", "s", NULL, method_terminate_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
1219 | SD_BUS_METHOD("KillMachine", "ssi", NULL, method_kill_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
3a6fb33c | 1220 | SD_BUS_METHOD("GetMachineAddresses", "s", "a(iay)", method_get_machine_addresses, SD_BUS_VTABLE_UNPRIVILEGED), |
717603e3 | 1221 | SD_BUS_METHOD("GetMachineOSRelease", "s", "a{ss}", method_get_machine_os_release, SD_BUS_VTABLE_UNPRIVILEGED), |
40205d70 | 1222 | SD_BUS_METHOD("OpenMachinePTY", "s", "hs", method_open_machine_pty, 0), |
d04c1fb8 | 1223 | SD_BUS_METHOD("OpenMachineLogin", "s", "hs", method_open_machine_login, SD_BUS_VTABLE_UNPRIVILEGED), |
49af9e13 | 1224 | SD_BUS_METHOD("OpenMachineShell", "sssasas", "hs", method_open_machine_shell, SD_BUS_VTABLE_UNPRIVILEGED), |
70244d1d LP |
1225 | SD_BUS_METHOD("BindMountMachine", "sssbb", NULL, method_bind_mount_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
1226 | SD_BUS_METHOD("CopyFromMachine", "sss", NULL, method_copy_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
1227 | SD_BUS_METHOD("CopyToMachine", "sss", NULL, method_copy_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
1228 | SD_BUS_METHOD("RemoveImage", "s", NULL, method_remove_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
1229 | SD_BUS_METHOD("RenameImage", "ss", NULL, method_rename_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
1230 | SD_BUS_METHOD("CloneImage", "ssb", NULL, method_clone_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
1231 | SD_BUS_METHOD("MarkImageReadOnly", "sb", NULL, method_mark_image_read_only, SD_BUS_VTABLE_UNPRIVILEGED), | |
d6ce17c7 LP |
1232 | SD_BUS_METHOD("SetPoolLimit", "t", NULL, method_set_pool_limit, SD_BUS_VTABLE_UNPRIVILEGED), |
1233 | SD_BUS_METHOD("SetImageLimit", "st", NULL, method_set_image_limit, SD_BUS_VTABLE_UNPRIVILEGED), | |
d94c2b06 | 1234 | SD_BUS_METHOD("CleanPool", "s", "a(st)", method_clean_pool, SD_BUS_VTABLE_UNPRIVILEGED), |
c01ff965 LP |
1235 | SD_BUS_METHOD("MapFromMachineUser", "su", "u", method_map_from_machine_user, SD_BUS_VTABLE_UNPRIVILEGED), |
1236 | SD_BUS_METHOD("MapToMachineUser", "u", "sou", method_map_to_machine_user, SD_BUS_VTABLE_UNPRIVILEGED), | |
1237 | SD_BUS_METHOD("MapFromMachineGroup", "su", "u", method_map_from_machine_group, SD_BUS_VTABLE_UNPRIVILEGED), | |
1238 | SD_BUS_METHOD("MapToMachineGroup", "u", "sou", method_map_to_machine_group, SD_BUS_VTABLE_UNPRIVILEGED), | |
c3350683 LP |
1239 | SD_BUS_SIGNAL("MachineNew", "so", 0), |
1240 | SD_BUS_SIGNAL("MachineRemoved", "so", 0), | |
1241 | SD_BUS_VTABLE_END | |
1242 | }; | |
1ee306e1 | 1243 | |
19070062 | 1244 | int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 1245 | const char *path, *result, *unit; |
1ee306e1 | 1246 | Manager *m = userdata; |
c3350683 LP |
1247 | Machine *machine; |
1248 | uint32_t id; | |
1249 | int r; | |
1ee306e1 | 1250 | |
1ee306e1 | 1251 | assert(message); |
c3350683 | 1252 | assert(m); |
1ee306e1 | 1253 | |
c3350683 LP |
1254 | r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result); |
1255 | if (r < 0) { | |
ebcf1f97 | 1256 | bus_log_parse_error(r); |
65d73cf0 | 1257 | return 0; |
c3350683 | 1258 | } |
6797c324 | 1259 | |
c3350683 LP |
1260 | machine = hashmap_get(m->machine_units, unit); |
1261 | if (!machine) | |
1262 | return 0; | |
6797c324 | 1263 | |
c3350683 | 1264 | if (streq_ptr(path, machine->scope_job)) { |
491ac9f2 | 1265 | machine->scope_job = mfree(machine->scope_job); |
6797c324 | 1266 | |
c3350683 LP |
1267 | if (machine->started) { |
1268 | if (streq(result, "done")) | |
1269 | machine_send_create_reply(machine, NULL); | |
1270 | else { | |
4afd3348 | 1271 | _cleanup_(sd_bus_error_free) sd_bus_error e = SD_BUS_ERROR_NULL; |
6797c324 | 1272 | |
ebcf1f97 | 1273 | sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result); |
6797c324 | 1274 | |
ebcf1f97 | 1275 | machine_send_create_reply(machine, &e); |
c3350683 | 1276 | } |
49f3fffd LP |
1277 | } |
1278 | ||
1279 | machine_save(machine); | |
1ee306e1 LP |
1280 | } |
1281 | ||
c3350683 LP |
1282 | machine_add_to_gc_queue(machine); |
1283 | return 0; | |
1ee306e1 LP |
1284 | } |
1285 | ||
19070062 | 1286 | int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 1287 | _cleanup_free_ char *unit = NULL; |
49f3fffd | 1288 | const char *path; |
c3350683 LP |
1289 | Manager *m = userdata; |
1290 | Machine *machine; | |
ebcf1f97 | 1291 | int r; |
554604b3 | 1292 | |
c3350683 LP |
1293 | assert(message); |
1294 | assert(m); | |
554604b3 | 1295 | |
c3350683 LP |
1296 | path = sd_bus_message_get_path(message); |
1297 | if (!path) | |
554604b3 | 1298 | return 0; |
554604b3 | 1299 | |
ebcf1f97 | 1300 | r = unit_name_from_dbus_path(path, &unit); |
e5f5b5b9 LP |
1301 | if (r == -EINVAL) /* not for a unit */ |
1302 | return 0; | |
9ed794a3 | 1303 | if (r < 0) { |
9b420b3c LP |
1304 | log_oom(); |
1305 | return 0; | |
1306 | } | |
554604b3 | 1307 | |
c3350683 | 1308 | machine = hashmap_get(m->machine_units, unit); |
9b420b3c LP |
1309 | if (!machine) |
1310 | return 0; | |
1311 | ||
9b420b3c | 1312 | machine_add_to_gc_queue(machine); |
c3350683 LP |
1313 | return 0; |
1314 | } | |
554604b3 | 1315 | |
19070062 | 1316 | int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
1317 | const char *path, *unit; |
1318 | Manager *m = userdata; | |
1319 | Machine *machine; | |
1320 | int r; | |
554604b3 | 1321 | |
c3350683 LP |
1322 | assert(message); |
1323 | assert(m); | |
554604b3 | 1324 | |
c3350683 LP |
1325 | r = sd_bus_message_read(message, "so", &unit, &path); |
1326 | if (r < 0) { | |
ebcf1f97 | 1327 | bus_log_parse_error(r); |
9b420b3c | 1328 | return 0; |
554604b3 LP |
1329 | } |
1330 | ||
c3350683 | 1331 | machine = hashmap_get(m->machine_units, unit); |
9b420b3c LP |
1332 | if (!machine) |
1333 | return 0; | |
1334 | ||
9b420b3c | 1335 | machine_add_to_gc_queue(machine); |
c3350683 LP |
1336 | return 0; |
1337 | } | |
554604b3 | 1338 | |
19070062 | 1339 | int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 1340 | Manager *m = userdata; |
a658cafa LP |
1341 | Machine *machine; |
1342 | Iterator i; | |
c3350683 | 1343 | int b, r; |
554604b3 | 1344 | |
19070062 LP |
1345 | assert(message); |
1346 | assert(m); | |
554604b3 | 1347 | |
c3350683 LP |
1348 | r = sd_bus_message_read(message, "b", &b); |
1349 | if (r < 0) { | |
ebcf1f97 | 1350 | bus_log_parse_error(r); |
65d73cf0 | 1351 | return 0; |
554604b3 | 1352 | } |
a658cafa LP |
1353 | if (b) |
1354 | return 0; | |
554604b3 | 1355 | |
a658cafa LP |
1356 | /* systemd finished reloading, let's recheck all our machines */ |
1357 | log_debug("System manager has been reloaded, rechecking machines..."); | |
554604b3 | 1358 | |
a658cafa LP |
1359 | HASHMAP_FOREACH(machine, m->machines, i) |
1360 | machine_add_to_gc_queue(machine); | |
554604b3 LP |
1361 | |
1362 | return 0; | |
1363 | } | |
1364 | ||
1ee306e1 LP |
1365 | int manager_start_scope( |
1366 | Manager *manager, | |
1367 | const char *scope, | |
1368 | pid_t pid, | |
1369 | const char *slice, | |
1370 | const char *description, | |
c3350683 LP |
1371 | sd_bus_message *more_properties, |
1372 | sd_bus_error *error, | |
1ee306e1 LP |
1373 | char **job) { |
1374 | ||
4afd3348 | 1375 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; |
554604b3 | 1376 | int r; |
1ee306e1 LP |
1377 | |
1378 | assert(manager); | |
1379 | assert(scope); | |
1380 | assert(pid > 1); | |
1381 | ||
c3350683 LP |
1382 | r = sd_bus_message_new_method_call( |
1383 | manager->bus, | |
151b9b96 | 1384 | &m, |
1ee306e1 LP |
1385 | "org.freedesktop.systemd1", |
1386 | "/org/freedesktop/systemd1", | |
1387 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 1388 | "StartTransientUnit"); |
c3350683 LP |
1389 | if (r < 0) |
1390 | return r; | |
1ee306e1 | 1391 | |
a658cafa | 1392 | r = sd_bus_message_append(m, "ss", strempty(scope), "fail"); |
c3350683 LP |
1393 | if (r < 0) |
1394 | return r; | |
1ee306e1 | 1395 | |
c3350683 LP |
1396 | r = sd_bus_message_open_container(m, 'a', "(sv)"); |
1397 | if (r < 0) | |
1398 | return r; | |
1ee306e1 LP |
1399 | |
1400 | if (!isempty(slice)) { | |
c3350683 LP |
1401 | r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice); |
1402 | if (r < 0) | |
1403 | return r; | |
1ee306e1 LP |
1404 | } |
1405 | ||
1406 | if (!isempty(description)) { | |
c3350683 LP |
1407 | r = sd_bus_message_append(m, "(sv)", "Description", "s", description); |
1408 | if (r < 0) | |
1409 | return r; | |
1ee306e1 LP |
1410 | } |
1411 | ||
c3350683 LP |
1412 | r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid); |
1413 | if (r < 0) | |
1414 | return r; | |
554604b3 | 1415 | |
a931ad47 LP |
1416 | r = sd_bus_message_append(m, "(sv)", "Delegate", "b", 1); |
1417 | if (r < 0) | |
1418 | return r; | |
1419 | ||
cf7d1a30 | 1420 | r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", UINT64_C(16384)); |
b370fec2 AC |
1421 | if (r < 0) |
1422 | return bus_log_create_error(r); | |
1423 | ||
554604b3 | 1424 | if (more_properties) { |
c3350683 | 1425 | r = sd_bus_message_copy(m, more_properties, true); |
554604b3 LP |
1426 | if (r < 0) |
1427 | return r; | |
1428 | } | |
1429 | ||
c3350683 LP |
1430 | r = sd_bus_message_close_container(m); |
1431 | if (r < 0) | |
1432 | return r; | |
1ee306e1 | 1433 | |
86b8d289 LP |
1434 | r = sd_bus_message_append(m, "a(sa(sv))", 0); |
1435 | if (r < 0) | |
1436 | return r; | |
1437 | ||
c49b30a2 | 1438 | r = sd_bus_call(manager->bus, m, 0, error, &reply); |
c3350683 LP |
1439 | if (r < 0) |
1440 | return r; | |
1ee306e1 LP |
1441 | |
1442 | if (job) { | |
1443 | const char *j; | |
1444 | char *copy; | |
1445 | ||
c3350683 LP |
1446 | r = sd_bus_message_read(reply, "o", &j); |
1447 | if (r < 0) | |
1448 | return r; | |
1ee306e1 LP |
1449 | |
1450 | copy = strdup(j); | |
1451 | if (!copy) | |
1452 | return -ENOMEM; | |
1453 | ||
1454 | *job = copy; | |
1455 | } | |
1456 | ||
c3350683 | 1457 | return 1; |
1ee306e1 LP |
1458 | } |
1459 | ||
c3350683 | 1460 | int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { |
4afd3348 | 1461 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
1ee306e1 LP |
1462 | int r; |
1463 | ||
1464 | assert(manager); | |
1465 | assert(unit); | |
1466 | ||
c3350683 | 1467 | r = sd_bus_call_method( |
1ee306e1 LP |
1468 | manager->bus, |
1469 | "org.freedesktop.systemd1", | |
1470 | "/org/freedesktop/systemd1", | |
1471 | "org.freedesktop.systemd1.Manager", | |
1472 | "StopUnit", | |
1ee306e1 | 1473 | error, |
c3350683 LP |
1474 | &reply, |
1475 | "ss", unit, "fail"); | |
1ee306e1 | 1476 | if (r < 0) { |
c3350683 LP |
1477 | if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) || |
1478 | sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) { | |
6797c324 LP |
1479 | |
1480 | if (job) | |
1481 | *job = NULL; | |
1482 | ||
c3350683 | 1483 | sd_bus_error_free(error); |
6797c324 LP |
1484 | return 0; |
1485 | } | |
1486 | ||
1ee306e1 LP |
1487 | return r; |
1488 | } | |
1489 | ||
1490 | if (job) { | |
1491 | const char *j; | |
1492 | char *copy; | |
1493 | ||
c3350683 LP |
1494 | r = sd_bus_message_read(reply, "o", &j); |
1495 | if (r < 0) | |
1496 | return r; | |
1ee306e1 LP |
1497 | |
1498 | copy = strdup(j); | |
1499 | if (!copy) | |
1500 | return -ENOMEM; | |
1501 | ||
1502 | *job = copy; | |
1503 | } | |
1504 | ||
6797c324 | 1505 | return 1; |
1ee306e1 LP |
1506 | } |
1507 | ||
de58a50e | 1508 | int manager_kill_unit(Manager *manager, const char *unit, int signo, sd_bus_error *error) { |
1ee306e1 LP |
1509 | assert(manager); |
1510 | assert(unit); | |
1511 | ||
a658cafa | 1512 | return sd_bus_call_method( |
1ee306e1 LP |
1513 | manager->bus, |
1514 | "org.freedesktop.systemd1", | |
1515 | "/org/freedesktop/systemd1", | |
1516 | "org.freedesktop.systemd1.Manager", | |
1517 | "KillUnit", | |
1ee306e1 | 1518 | error, |
a658cafa | 1519 | NULL, |
de58a50e | 1520 | "ssi", unit, "all", signo); |
1ee306e1 LP |
1521 | } |
1522 | ||
1523 | int manager_unit_is_active(Manager *manager, const char *unit) { | |
4afd3348 LP |
1524 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
1525 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
1ee306e1 | 1526 | _cleanup_free_ char *path = NULL; |
1ee306e1 | 1527 | const char *state; |
1ee306e1 LP |
1528 | int r; |
1529 | ||
1530 | assert(manager); | |
1531 | assert(unit); | |
1532 | ||
1ee306e1 LP |
1533 | path = unit_dbus_path_from_name(unit); |
1534 | if (!path) | |
1535 | return -ENOMEM; | |
1536 | ||
c3350683 | 1537 | r = sd_bus_get_property( |
1ee306e1 LP |
1538 | manager->bus, |
1539 | "org.freedesktop.systemd1", | |
1540 | path, | |
c3350683 LP |
1541 | "org.freedesktop.systemd1.Unit", |
1542 | "ActiveState", | |
1ee306e1 | 1543 | &error, |
c3350683 LP |
1544 | &reply, |
1545 | "s"); | |
1ee306e1 | 1546 | if (r < 0) { |
c3350683 LP |
1547 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || |
1548 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
6797c324 | 1549 | return true; |
6797c324 | 1550 | |
c3350683 LP |
1551 | if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) || |
1552 | sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED)) | |
6797c324 | 1553 | return false; |
6797c324 | 1554 | |
1ee306e1 LP |
1555 | return r; |
1556 | } | |
1557 | ||
c3350683 LP |
1558 | r = sd_bus_message_read(reply, "s", &state); |
1559 | if (r < 0) | |
1ee306e1 | 1560 | return -EINVAL; |
1ee306e1 | 1561 | |
9b420b3c | 1562 | return !STR_IN_SET(state, "inactive", "failed"); |
1ee306e1 | 1563 | } |
bd16acf3 | 1564 | |
c3350683 | 1565 | int manager_job_is_active(Manager *manager, const char *path) { |
4afd3348 LP |
1566 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
1567 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
c3350683 | 1568 | int r; |
bd16acf3 | 1569 | |
c3350683 LP |
1570 | assert(manager); |
1571 | assert(path); | |
bd16acf3 | 1572 | |
c3350683 LP |
1573 | r = sd_bus_get_property( |
1574 | manager->bus, | |
1575 | "org.freedesktop.systemd1", | |
1576 | path, | |
1577 | "org.freedesktop.systemd1.Job", | |
1578 | "State", | |
1579 | &error, | |
1580 | &reply, | |
1581 | "s"); | |
1582 | if (r < 0) { | |
1583 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || | |
1584 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
1585 | return true; | |
bd16acf3 | 1586 | |
c3350683 LP |
1587 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT)) |
1588 | return false; | |
bd16acf3 | 1589 | |
bd16acf3 | 1590 | return r; |
c3350683 | 1591 | } |
bd16acf3 | 1592 | |
c3350683 LP |
1593 | /* We don't actually care about the state really. The fact |
1594 | * that we could read the job state is enough for us */ | |
bd16acf3 | 1595 | |
c3350683 | 1596 | return true; |
bd16acf3 | 1597 | } |
ab49725f KS |
1598 | |
1599 | int manager_get_machine_by_pid(Manager *m, pid_t pid, Machine **machine) { | |
ab49725f KS |
1600 | Machine *mm; |
1601 | int r; | |
1602 | ||
1603 | assert(m); | |
1604 | assert(pid >= 1); | |
1605 | assert(machine); | |
1606 | ||
4a0b58c4 | 1607 | mm = hashmap_get(m->machine_leaders, PID_TO_PTR(pid)); |
077c8c36 LP |
1608 | if (!mm) { |
1609 | _cleanup_free_ char *unit = NULL; | |
ab49725f | 1610 | |
077c8c36 LP |
1611 | r = cg_pid_get_unit(pid, &unit); |
1612 | if (r >= 0) | |
1613 | mm = hashmap_get(m->machine_units, unit); | |
1614 | } | |
ab49725f KS |
1615 | if (!mm) |
1616 | return 0; | |
1617 | ||
1618 | *machine = mm; | |
1619 | return 1; | |
1620 | } | |
1621 | ||
1622 | int manager_add_machine(Manager *m, const char *name, Machine **_machine) { | |
1623 | Machine *machine; | |
1624 | ||
1625 | assert(m); | |
1626 | assert(name); | |
1627 | ||
1628 | machine = hashmap_get(m->machines, name); | |
1629 | if (!machine) { | |
fbe55073 | 1630 | machine = machine_new(m, _MACHINE_CLASS_INVALID, name); |
ab49725f KS |
1631 | if (!machine) |
1632 | return -ENOMEM; | |
1633 | } | |
1634 | ||
1635 | if (_machine) | |
1636 | *_machine = machine; | |
1637 | ||
1638 | return 0; | |
1639 | } |