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