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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" |
1ee306e1 | 27 | #include "path-util.h" |
1ee306e1 | 28 | #include "unit-name.h" |
c3350683 | 29 | #include "bus-util.h" |
96aad8d1 | 30 | #include "bus-common-errors.h" |
23c80348 | 31 | #include "cgroup-util.h" |
160e3793 | 32 | #include "btrfs-util.h" |
003dffde LP |
33 | #include "machine-image.h" |
34 | #include "image-dbus.h" | |
c3350683 | 35 | #include "machined.h" |
003dffde | 36 | #include "machine-dbus.h" |
1ee306e1 | 37 | |
160e3793 LP |
38 | static int property_get_pool_path( |
39 | sd_bus *bus, | |
40 | const char *path, | |
41 | const char *interface, | |
42 | const char *property, | |
43 | sd_bus_message *reply, | |
44 | void *userdata, | |
45 | sd_bus_error *error) { | |
46 | ||
47 | assert(bus); | |
48 | assert(reply); | |
49 | ||
50 | return sd_bus_message_append(reply, "s", "/var/lib/machines"); | |
51 | } | |
52 | ||
53 | static int property_get_pool_usage( | |
54 | sd_bus *bus, | |
55 | const char *path, | |
56 | const char *interface, | |
57 | const char *property, | |
58 | sd_bus_message *reply, | |
59 | void *userdata, | |
60 | sd_bus_error *error) { | |
61 | ||
62 | _cleanup_close_ int fd = -1; | |
63 | uint64_t usage = (uint64_t) -1; | |
64 | struct stat st; | |
65 | ||
66 | assert(bus); | |
67 | assert(reply); | |
68 | ||
69 | /* We try to read the quota info from /var/lib/machines, as | |
70 | * well as the usage of the loopback file | |
71 | * /var/lib/machines.raw, and pick the larger value. */ | |
72 | ||
73 | fd = open("/var/lib/machines", O_RDONLY|O_CLOEXEC|O_DIRECTORY); | |
74 | if (fd >= 0) { | |
75 | BtrfsQuotaInfo q; | |
76 | ||
77 | if (btrfs_subvol_get_quota_fd(fd, &q) >= 0) | |
78 | usage = q.referred; | |
79 | } | |
80 | ||
81 | if (stat("/var/lib/machines.raw", &st) >= 0) { | |
82 | if (usage == (uint64_t) -1 || st.st_blocks * 512ULL > usage) | |
83 | usage = st.st_blocks * 512ULL; | |
84 | } | |
85 | ||
86 | return sd_bus_message_append(reply, "t", usage); | |
87 | } | |
88 | ||
89 | static int property_get_pool_limit( | |
90 | sd_bus *bus, | |
91 | const char *path, | |
92 | const char *interface, | |
93 | const char *property, | |
94 | sd_bus_message *reply, | |
95 | void *userdata, | |
96 | sd_bus_error *error) { | |
97 | ||
98 | _cleanup_close_ int fd = -1; | |
99 | uint64_t size = (uint64_t) -1; | |
100 | struct stat st; | |
101 | ||
102 | assert(bus); | |
103 | assert(reply); | |
104 | ||
105 | /* We try to read the quota limit from /var/lib/machines, as | |
106 | * well as the size of the loopback file | |
107 | * /var/lib/machines.raw, and pick the smaller value. */ | |
108 | ||
109 | fd = open("/var/lib/machines", O_RDONLY|O_CLOEXEC|O_DIRECTORY); | |
110 | if (fd >= 0) { | |
111 | BtrfsQuotaInfo q; | |
112 | ||
113 | if (btrfs_subvol_get_quota_fd(fd, &q) >= 0) | |
114 | size = q.referred_max; | |
115 | } | |
116 | ||
117 | if (stat("/var/lib/machines.raw", &st) >= 0) { | |
118 | if (size == (uint64_t) -1 || (uint64_t) st.st_size < size) | |
119 | size = st.st_size; | |
120 | } | |
121 | ||
122 | return sd_bus_message_append(reply, "t", size); | |
123 | } | |
124 | ||
ebcf1f97 | 125 | static int method_get_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
126 | _cleanup_free_ char *p = NULL; |
127 | Manager *m = userdata; | |
128 | Machine *machine; | |
129 | const char *name; | |
130 | int r; | |
131 | ||
132 | assert(bus); | |
133 | assert(message); | |
134 | assert(m); | |
135 | ||
136 | r = sd_bus_message_read(message, "s", &name); | |
137 | if (r < 0) | |
ebcf1f97 | 138 | return r; |
c3350683 LP |
139 | |
140 | machine = hashmap_get(m->machines, name); | |
141 | if (!machine) | |
ebcf1f97 | 142 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
c3350683 LP |
143 | |
144 | p = machine_bus_path(machine); | |
145 | if (!p) | |
ebcf1f97 | 146 | return -ENOMEM; |
c3350683 | 147 | |
df2d202e | 148 | return sd_bus_reply_method_return(message, "o", p); |
c3350683 LP |
149 | } |
150 | ||
c2ce6a3d LP |
151 | static int method_get_image(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
152 | _cleanup_free_ char *p = NULL; | |
153 | Manager *m = userdata; | |
154 | const char *name; | |
155 | int r; | |
156 | ||
157 | assert(bus); | |
158 | assert(message); | |
159 | assert(m); | |
160 | ||
161 | r = sd_bus_message_read(message, "s", &name); | |
162 | if (r < 0) | |
163 | return r; | |
164 | ||
165 | r = image_find(name, NULL); | |
166 | if (r == 0) | |
167 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
168 | if (r < 0) | |
169 | return r; | |
170 | ||
171 | p = image_bus_path(name); | |
172 | if (!p) | |
173 | return -ENOMEM; | |
174 | ||
175 | return sd_bus_reply_method_return(message, "o", p); | |
176 | } | |
177 | ||
ebcf1f97 | 178 | static int method_get_machine_by_pid(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
179 | _cleanup_free_ char *p = NULL; |
180 | Manager *m = userdata; | |
181 | Machine *machine = NULL; | |
4e724d9c | 182 | pid_t pid; |
c3350683 LP |
183 | int r; |
184 | ||
185 | assert(bus); | |
186 | assert(message); | |
187 | assert(m); | |
188 | ||
4e724d9c LP |
189 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
190 | ||
c3350683 LP |
191 | r = sd_bus_message_read(message, "u", &pid); |
192 | if (r < 0) | |
ebcf1f97 | 193 | return r; |
c3350683 | 194 | |
4e724d9c | 195 | if (pid == 0) { |
5b12334d LP |
196 | _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; |
197 | ||
198 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
199 | if (r < 0) | |
200 | return r; | |
201 | ||
202 | r = sd_bus_creds_get_pid(creds, &pid); | |
4e724d9c | 203 | if (r < 0) |
ebcf1f97 | 204 | return r; |
4e724d9c LP |
205 | } |
206 | ||
c3350683 LP |
207 | r = manager_get_machine_by_pid(m, pid, &machine); |
208 | if (r < 0) | |
ebcf1f97 | 209 | return r; |
c3350683 | 210 | if (!machine) |
de0671ee | 211 | 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 |
212 | |
213 | p = machine_bus_path(machine); | |
214 | if (!p) | |
ebcf1f97 | 215 | return -ENOMEM; |
c3350683 | 216 | |
df2d202e | 217 | return sd_bus_reply_method_return(message, "o", p); |
c3350683 LP |
218 | } |
219 | ||
ebcf1f97 | 220 | static int method_list_machines(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
221 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; |
222 | Manager *m = userdata; | |
223 | Machine *machine; | |
224 | Iterator i; | |
225 | int r; | |
226 | ||
227 | assert(bus); | |
228 | assert(message); | |
229 | assert(m); | |
230 | ||
df2d202e | 231 | r = sd_bus_message_new_method_return(message, &reply); |
c3350683 | 232 | if (r < 0) |
ebcf1f97 | 233 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
234 | |
235 | r = sd_bus_message_open_container(reply, 'a', "(ssso)"); | |
236 | if (r < 0) | |
ebcf1f97 | 237 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
238 | |
239 | HASHMAP_FOREACH(machine, m->machines, i) { | |
240 | _cleanup_free_ char *p = NULL; | |
241 | ||
242 | p = machine_bus_path(machine); | |
243 | if (!p) | |
ebcf1f97 | 244 | return -ENOMEM; |
c3350683 LP |
245 | |
246 | r = sd_bus_message_append(reply, "(ssso)", | |
247 | machine->name, | |
248 | strempty(machine_class_to_string(machine->class)), | |
249 | machine->service, | |
250 | p); | |
251 | if (r < 0) | |
ebcf1f97 | 252 | return sd_bus_error_set_errno(error, r); |
c3350683 | 253 | } |
1ee306e1 | 254 | |
c3350683 LP |
255 | r = sd_bus_message_close_container(reply); |
256 | if (r < 0) | |
ebcf1f97 | 257 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
258 | |
259 | return sd_bus_send(bus, reply, NULL); | |
260 | } | |
261 | ||
9b5ed6fe | 262 | static int method_create_or_register_machine(Manager *manager, sd_bus_message *message, bool read_network, Machine **_m, sd_bus_error *error) { |
8aec412f | 263 | const char *name, *service, *class, *root_directory; |
9b5ed6fe | 264 | const int32_t *netif = NULL; |
1ee306e1 LP |
265 | MachineClass c; |
266 | uint32_t leader; | |
267 | sd_id128_t id; | |
c3350683 | 268 | const void *v; |
1ee306e1 | 269 | Machine *m; |
9b5ed6fe | 270 | size_t n, n_netif = 0; |
c3350683 | 271 | int r; |
1ee306e1 | 272 | |
c3350683 | 273 | assert(manager); |
89f7c846 LP |
274 | assert(message); |
275 | assert(_m); | |
1ee306e1 | 276 | |
c3350683 LP |
277 | r = sd_bus_message_read(message, "s", &name); |
278 | if (r < 0) | |
ebcf1f97 | 279 | return r; |
7f0d207d | 280 | if (!machine_name_is_valid(name)) |
ebcf1f97 | 281 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine name"); |
1ee306e1 | 282 | |
c3350683 LP |
283 | r = sd_bus_message_read_array(message, 'y', &v, &n); |
284 | if (r < 0) | |
ebcf1f97 | 285 | return r; |
1ee306e1 LP |
286 | if (n == 0) |
287 | id = SD_ID128_NULL; | |
288 | else if (n == 16) | |
289 | memcpy(&id, v, n); | |
290 | else | |
ebcf1f97 | 291 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine ID parameter"); |
1ee306e1 | 292 | |
c3350683 LP |
293 | r = sd_bus_message_read(message, "ssus", &service, &class, &leader, &root_directory); |
294 | if (r < 0) | |
ebcf1f97 | 295 | return r; |
1ee306e1 | 296 | |
9b5ed6fe LP |
297 | if (read_network) { |
298 | size_t i; | |
299 | ||
300 | r = sd_bus_message_read_array(message, 'i', (const void**) &netif, &n_netif); | |
301 | if (r < 0) | |
302 | return r; | |
303 | ||
304 | n_netif /= sizeof(int32_t); | |
305 | ||
306 | for (i = 0; i < n_netif; i++) { | |
307 | if (netif[i] <= 0) | |
308 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid network interface index %i", netif[i]); | |
309 | } | |
310 | } | |
311 | ||
1ee306e1 LP |
312 | if (isempty(class)) |
313 | c = _MACHINE_CLASS_INVALID; | |
314 | else { | |
315 | c = machine_class_from_string(class); | |
316 | if (c < 0) | |
ebcf1f97 | 317 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine class parameter"); |
1ee306e1 LP |
318 | } |
319 | ||
c3350683 | 320 | if (leader == 1) |
ebcf1f97 | 321 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID"); |
1ee306e1 | 322 | |
c3350683 | 323 | if (!isempty(root_directory) && !path_is_absolute(root_directory)) |
ebcf1f97 | 324 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Root directory must be empty or an absolute path"); |
1ee306e1 | 325 | |
c3350683 | 326 | if (leader == 0) { |
5b12334d LP |
327 | _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; |
328 | ||
329 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
330 | if (r < 0) | |
331 | return r; | |
332 | ||
c3350683 | 333 | assert_cc(sizeof(uint32_t) == sizeof(pid_t)); |
554604b3 | 334 | |
5b12334d | 335 | r = sd_bus_creds_get_pid(creds, (pid_t*) &leader); |
c3350683 | 336 | if (r < 0) |
ebcf1f97 | 337 | return r; |
c3350683 | 338 | } |
554604b3 | 339 | |
1ee306e1 | 340 | if (hashmap_get(manager->machines, name)) |
ebcf1f97 | 341 | return sd_bus_error_setf(error, BUS_ERROR_MACHINE_EXISTS, "Machine '%s' already exists", name); |
1ee306e1 LP |
342 | |
343 | r = manager_add_machine(manager, name, &m); | |
344 | if (r < 0) | |
ebcf1f97 | 345 | return r; |
1ee306e1 LP |
346 | |
347 | m->leader = leader; | |
348 | m->class = c; | |
349 | m->id = id; | |
350 | ||
351 | if (!isempty(service)) { | |
352 | m->service = strdup(service); | |
353 | if (!m->service) { | |
ebcf1f97 | 354 | r = -ENOMEM; |
1ee306e1 LP |
355 | goto fail; |
356 | } | |
357 | } | |
358 | ||
359 | if (!isempty(root_directory)) { | |
360 | m->root_directory = strdup(root_directory); | |
361 | if (!m->root_directory) { | |
ebcf1f97 | 362 | r = -ENOMEM; |
1ee306e1 LP |
363 | goto fail; |
364 | } | |
365 | } | |
366 | ||
9b5ed6fe LP |
367 | if (n_netif > 0) { |
368 | assert_cc(sizeof(int32_t) == sizeof(int)); | |
369 | m->netif = memdup(netif, sizeof(int32_t) * n_netif); | |
370 | if (!m->netif) { | |
371 | r = -ENOMEM; | |
372 | goto fail; | |
373 | } | |
374 | ||
375 | m->n_netif = n_netif; | |
376 | } | |
377 | ||
89f7c846 LP |
378 | *_m = m; |
379 | ||
380 | return 1; | |
381 | ||
382 | fail: | |
383 | machine_add_to_gc_queue(m); | |
384 | return r; | |
385 | } | |
386 | ||
9b5ed6fe | 387 | static int method_create_machine_internal(sd_bus *bus, sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) { |
89f7c846 LP |
388 | Manager *manager = userdata; |
389 | Machine *m = NULL; | |
390 | int r; | |
391 | ||
9b5ed6fe | 392 | r = method_create_or_register_machine(manager, message, read_network, &m, error); |
89f7c846 LP |
393 | if (r < 0) |
394 | return r; | |
395 | ||
396 | r = sd_bus_message_enter_container(message, 'a', "(sv)"); | |
397 | if (r < 0) | |
398 | goto fail; | |
399 | ||
ebcf1f97 LP |
400 | r = machine_start(m, message, error); |
401 | if (r < 0) | |
1ee306e1 LP |
402 | goto fail; |
403 | ||
c3350683 | 404 | m->create_message = sd_bus_message_ref(message); |
c3350683 | 405 | return 1; |
1ee306e1 LP |
406 | |
407 | fail: | |
a3e7f417 | 408 | machine_add_to_gc_queue(m); |
89f7c846 LP |
409 | return r; |
410 | } | |
1ee306e1 | 411 | |
9b5ed6fe LP |
412 | static int method_create_machine_with_network(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
413 | return method_create_machine_internal(bus, message, true, userdata, error); | |
414 | } | |
415 | ||
416 | static int method_create_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
417 | return method_create_machine_internal(bus, message, false, userdata, error); | |
418 | } | |
419 | ||
420 | static int method_register_machine_internal(sd_bus *bus, sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) { | |
89f7c846 LP |
421 | Manager *manager = userdata; |
422 | _cleanup_free_ char *p = NULL; | |
423 | Machine *m = NULL; | |
424 | int r; | |
425 | ||
9b5ed6fe | 426 | r = method_create_or_register_machine(manager, message, read_network, &m, error); |
89f7c846 LP |
427 | if (r < 0) |
428 | return r; | |
429 | ||
430 | r = cg_pid_get_unit(m->leader, &m->unit); | |
431 | if (r < 0) { | |
432 | r = sd_bus_error_set_errnof(error, r, "Failed to determine unit of process "PID_FMT" : %s", m->leader, strerror(-r)); | |
433 | goto fail; | |
434 | } | |
435 | ||
436 | r = machine_start(m, NULL, error); | |
437 | if (r < 0) | |
438 | goto fail; | |
439 | ||
440 | p = machine_bus_path(m); | |
441 | if (!p) { | |
442 | r = -ENOMEM; | |
443 | goto fail; | |
444 | } | |
445 | ||
446 | return sd_bus_reply_method_return(message, "o", p); | |
447 | ||
448 | fail: | |
449 | machine_add_to_gc_queue(m); | |
1ee306e1 LP |
450 | return r; |
451 | } | |
452 | ||
9b5ed6fe LP |
453 | static int method_register_machine_with_network(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
454 | return method_register_machine_internal(bus, message, true, userdata, error); | |
455 | } | |
456 | ||
457 | static int method_register_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
458 | return method_register_machine_internal(bus, message, false, userdata, error); | |
459 | } | |
460 | ||
ebcf1f97 | 461 | static int method_terminate_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1ee306e1 | 462 | Manager *m = userdata; |
c3350683 LP |
463 | Machine *machine; |
464 | const char *name; | |
1ee306e1 LP |
465 | int r; |
466 | ||
c3350683 | 467 | assert(bus); |
1ee306e1 LP |
468 | assert(message); |
469 | assert(m); | |
470 | ||
c3350683 LP |
471 | r = sd_bus_message_read(message, "s", &name); |
472 | if (r < 0) | |
ebcf1f97 | 473 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 474 | |
c3350683 LP |
475 | machine = hashmap_get(m->machines, name); |
476 | if (!machine) | |
ebcf1f97 | 477 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
1ee306e1 | 478 | |
878cd7e9 | 479 | return bus_machine_method_terminate(bus, message, machine, error); |
c3350683 | 480 | } |
1ee306e1 | 481 | |
ebcf1f97 | 482 | static int method_kill_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
483 | Manager *m = userdata; |
484 | Machine *machine; | |
485 | const char *name; | |
c3350683 | 486 | int r; |
1ee306e1 | 487 | |
c3350683 LP |
488 | assert(bus); |
489 | assert(message); | |
490 | assert(m); | |
1ee306e1 | 491 | |
878cd7e9 | 492 | r = sd_bus_message_read(message, "s", &name); |
c3350683 | 493 | if (r < 0) |
ebcf1f97 | 494 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 495 | |
c3350683 LP |
496 | machine = hashmap_get(m->machines, name); |
497 | if (!machine) | |
ebcf1f97 | 498 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
1ee306e1 | 499 | |
878cd7e9 LP |
500 | return bus_machine_method_kill(bus, message, machine, error); |
501 | } | |
502 | ||
503 | static int method_get_machine_addresses(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
504 | Manager *m = userdata; | |
505 | Machine *machine; | |
506 | const char *name; | |
507 | int r; | |
508 | ||
509 | assert(bus); | |
510 | assert(message); | |
511 | assert(m); | |
512 | ||
513 | r = sd_bus_message_read(message, "s", &name); | |
c3350683 | 514 | if (r < 0) |
ebcf1f97 | 515 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 516 | |
878cd7e9 LP |
517 | machine = hashmap_get(m->machines, name); |
518 | if (!machine) | |
519 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
520 | ||
521 | return bus_machine_method_get_addresses(bus, message, machine, error); | |
c3350683 | 522 | } |
1ee306e1 | 523 | |
717603e3 LP |
524 | static int method_get_machine_os_release(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
525 | Manager *m = userdata; | |
526 | Machine *machine; | |
527 | const char *name; | |
528 | int r; | |
529 | ||
530 | assert(bus); | |
531 | assert(message); | |
532 | assert(m); | |
533 | ||
534 | r = sd_bus_message_read(message, "s", &name); | |
535 | if (r < 0) | |
536 | return sd_bus_error_set_errno(error, r); | |
537 | ||
538 | machine = hashmap_get(m->machines, name); | |
539 | if (!machine) | |
540 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
541 | ||
542 | return bus_machine_method_get_os_release(bus, message, machine, error); | |
543 | } | |
544 | ||
cd61c3bf LP |
545 | static int method_list_images(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
546 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
547 | _cleanup_(image_hashmap_freep) Hashmap *images = NULL; | |
548 | Manager *m = userdata; | |
549 | Image *image; | |
550 | Iterator i; | |
551 | int r; | |
552 | ||
553 | assert(bus); | |
554 | assert(message); | |
555 | assert(m); | |
556 | ||
557 | images = hashmap_new(&string_hash_ops); | |
558 | if (!images) | |
559 | return -ENOMEM; | |
560 | ||
561 | r = image_discover(images); | |
562 | if (r < 0) | |
563 | return r; | |
564 | ||
565 | r = sd_bus_message_new_method_return(message, &reply); | |
566 | if (r < 0) | |
567 | return r; | |
568 | ||
b6b18498 | 569 | r = sd_bus_message_open_container(reply, 'a', "(ssbttto)"); |
cd61c3bf LP |
570 | if (r < 0) |
571 | return r; | |
572 | ||
573 | HASHMAP_FOREACH(image, images, i) { | |
574 | _cleanup_free_ char *p = NULL; | |
575 | ||
576 | p = image_bus_path(image->name); | |
577 | if (!p) | |
578 | return -ENOMEM; | |
579 | ||
b6b18498 | 580 | r = sd_bus_message_append(reply, "(ssbttto)", |
cd61c3bf LP |
581 | image->name, |
582 | image_type_to_string(image->type), | |
583 | image->read_only, | |
10f9c755 LP |
584 | image->crtime, |
585 | image->mtime, | |
c19de711 | 586 | image->usage, |
cd61c3bf LP |
587 | p); |
588 | if (r < 0) | |
589 | return r; | |
590 | } | |
591 | ||
592 | r = sd_bus_message_close_container(reply); | |
593 | if (r < 0) | |
594 | return r; | |
595 | ||
596 | return sd_bus_send(bus, reply, NULL); | |
597 | } | |
598 | ||
40205d70 LP |
599 | static int method_open_machine_pty(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
600 | Manager *m = userdata; | |
601 | Machine *machine; | |
602 | const char *name; | |
603 | int r; | |
604 | ||
605 | assert(bus); | |
606 | assert(message); | |
607 | assert(m); | |
608 | ||
609 | r = sd_bus_message_read(message, "s", &name); | |
610 | if (r < 0) | |
611 | return sd_bus_error_set_errno(error, r); | |
612 | ||
613 | machine = hashmap_get(m->machines, name); | |
614 | if (!machine) | |
615 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
616 | ||
617 | return bus_machine_method_open_pty(bus, message, machine, error); | |
618 | } | |
619 | ||
5f8cc96a LP |
620 | static int method_open_machine_login(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
621 | Manager *m = userdata; | |
622 | Machine *machine; | |
623 | const char *name; | |
624 | int r; | |
625 | ||
626 | assert(bus); | |
627 | assert(message); | |
628 | assert(m); | |
629 | ||
630 | r = sd_bus_message_read(message, "s", &name); | |
631 | if (r < 0) | |
08682124 | 632 | return r; |
5f8cc96a LP |
633 | |
634 | machine = hashmap_get(m->machines, name); | |
635 | if (!machine) | |
636 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
637 | ||
638 | return bus_machine_method_open_login(bus, message, machine, error); | |
639 | } | |
640 | ||
90adaa25 LP |
641 | static int method_bind_mount_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
642 | Manager *m = userdata; | |
643 | Machine *machine; | |
644 | const char *name; | |
645 | int r; | |
646 | ||
647 | assert(bus); | |
648 | assert(message); | |
649 | assert(m); | |
650 | ||
651 | r = sd_bus_message_read(message, "s", &name); | |
652 | if (r < 0) | |
653 | return r; | |
654 | ||
655 | machine = hashmap_get(m->machines, name); | |
656 | if (!machine) | |
657 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
658 | ||
659 | return bus_machine_method_bind_mount(bus, message, machine, error); | |
660 | } | |
661 | ||
0370612e LP |
662 | static int method_copy_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
663 | Manager *m = userdata; | |
664 | Machine *machine; | |
665 | const char *name; | |
666 | int r; | |
667 | ||
668 | assert(bus); | |
669 | assert(message); | |
670 | assert(m); | |
671 | ||
672 | r = sd_bus_message_read(message, "s", &name); | |
673 | if (r < 0) | |
674 | return r; | |
675 | ||
676 | machine = hashmap_get(m->machines, name); | |
677 | if (!machine) | |
678 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
679 | ||
680 | return bus_machine_method_copy(bus, message, machine, error); | |
681 | } | |
682 | ||
08682124 LP |
683 | static int method_remove_image(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
684 | _cleanup_(image_unrefp) Image* i = NULL; | |
685 | const char *name; | |
686 | int r; | |
687 | ||
688 | assert(bus); | |
689 | assert(message); | |
690 | ||
691 | r = sd_bus_message_read(message, "s", &name); | |
692 | if (r < 0) | |
693 | return r; | |
694 | ||
695 | if (!image_name_is_valid(name)) | |
696 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
697 | ||
698 | r = image_find(name, &i); | |
699 | if (r < 0) | |
700 | return r; | |
701 | if (r == 0) | |
702 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
703 | ||
70244d1d | 704 | i->userdata = userdata; |
1ddb263d | 705 | return bus_image_method_remove(bus, message, i, error); |
08682124 LP |
706 | } |
707 | ||
ebd93cb6 LP |
708 | static int method_rename_image(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
709 | _cleanup_(image_unrefp) Image* i = NULL; | |
1ddb263d | 710 | const char *old_name; |
ebd93cb6 LP |
711 | int r; |
712 | ||
713 | assert(bus); | |
714 | assert(message); | |
715 | ||
1ddb263d | 716 | r = sd_bus_message_read(message, "s", &old_name); |
ebd93cb6 LP |
717 | if (r < 0) |
718 | return r; | |
719 | ||
720 | if (!image_name_is_valid(old_name)) | |
721 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", old_name); | |
ebd93cb6 LP |
722 | |
723 | r = image_find(old_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", old_name); | |
728 | ||
70244d1d | 729 | i->userdata = userdata; |
1ddb263d | 730 | return bus_image_method_rename(bus, message, i, error); |
ebd93cb6 LP |
731 | } |
732 | ||
733 | static int method_clone_image(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
734 | _cleanup_(image_unrefp) Image *i = NULL; | |
1ddb263d LP |
735 | const char *old_name; |
736 | int r; | |
ebd93cb6 LP |
737 | |
738 | assert(bus); | |
1ddb263d | 739 | r = sd_bus_message_read(message, "s", &old_name); |
ebd93cb6 LP |
740 | if (r < 0) |
741 | return r; | |
742 | ||
743 | if (!image_name_is_valid(old_name)) | |
744 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", old_name); | |
ebd93cb6 LP |
745 | |
746 | r = image_find(old_name, &i); | |
747 | if (r < 0) | |
748 | return r; | |
749 | if (r == 0) | |
750 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", old_name); | |
751 | ||
70244d1d | 752 | i->userdata = userdata; |
1ddb263d | 753 | return bus_image_method_clone(bus, message, i, error); |
ebd93cb6 LP |
754 | } |
755 | ||
756 | static int method_mark_image_read_only(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
757 | _cleanup_(image_unrefp) Image *i = NULL; | |
758 | const char *name; | |
1ddb263d | 759 | int r; |
ebd93cb6 LP |
760 | |
761 | assert(bus); | |
1ddb263d | 762 | r = sd_bus_message_read(message, "s", &name); |
ebd93cb6 LP |
763 | if (r < 0) |
764 | return r; | |
765 | ||
766 | if (!image_name_is_valid(name)) | |
767 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
768 | ||
769 | r = image_find(name, &i); | |
770 | if (r < 0) | |
771 | return r; | |
772 | if (r == 0) | |
773 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
774 | ||
70244d1d | 775 | i->userdata = userdata; |
1ddb263d | 776 | return bus_image_method_mark_read_only(bus, message, i, error); |
ebd93cb6 LP |
777 | } |
778 | ||
d6ce17c7 LP |
779 | static int method_set_pool_limit(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
780 | Manager *m = userdata; | |
781 | uint64_t limit; | |
782 | int r; | |
783 | ||
784 | assert(bus); | |
785 | r = sd_bus_message_read(message, "t", &limit); | |
786 | if (r < 0) | |
787 | return r; | |
788 | ||
789 | r = bus_verify_polkit_async( | |
790 | message, | |
791 | CAP_SYS_ADMIN, | |
792 | "org.freedesktop.machine1.manage-machines", | |
793 | false, | |
794 | UID_INVALID, | |
795 | &m->polkit_registry, | |
796 | error); | |
797 | if (r < 0) | |
798 | return r; | |
799 | if (r == 0) | |
800 | return 1; /* Will call us back */ | |
801 | ||
802 | r = btrfs_quota_limit("/var/lib/machines", limit); | |
803 | if (r == -ENOTTY) | |
804 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Quota is only supported on btrfs."); | |
805 | else if (r < 0) | |
806 | return sd_bus_error_set_errnof(error, r, "Failed to adjust quota limit: %m"); | |
807 | ||
808 | return sd_bus_reply_method_return(message, NULL); | |
809 | } | |
810 | ||
811 | static int method_set_image_limit(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
812 | _cleanup_(image_unrefp) Image *i = NULL; | |
813 | const char *name; | |
814 | int r; | |
815 | ||
816 | assert(bus); | |
817 | r = sd_bus_message_read(message, "s", &name); | |
818 | if (r < 0) | |
819 | return r; | |
820 | ||
821 | if (!image_name_is_valid(name)) | |
822 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
823 | ||
824 | r = image_find(name, &i); | |
825 | if (r < 0) | |
826 | return r; | |
827 | if (r == 0) | |
828 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
829 | ||
830 | i->userdata = userdata; | |
831 | return bus_image_method_set_limit(bus, message, i, error); | |
832 | } | |
833 | ||
c3350683 LP |
834 | const sd_bus_vtable manager_vtable[] = { |
835 | SD_BUS_VTABLE_START(0), | |
160e3793 LP |
836 | SD_BUS_PROPERTY("PoolPath", "s", property_get_pool_path, 0, 0), |
837 | SD_BUS_PROPERTY("PoolUsage", "t", property_get_pool_usage, 0, 0), | |
838 | SD_BUS_PROPERTY("PoolLimit", "t", property_get_pool_limit, 0, 0), | |
adacb957 | 839 | SD_BUS_METHOD("GetMachine", "s", "o", method_get_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
c2ce6a3d | 840 | SD_BUS_METHOD("GetImage", "s", "o", method_get_image, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
841 | SD_BUS_METHOD("GetMachineByPID", "u", "o", method_get_machine_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), |
842 | SD_BUS_METHOD("ListMachines", NULL, "a(ssso)", method_list_machines, SD_BUS_VTABLE_UNPRIVILEGED), | |
b6b18498 | 843 | SD_BUS_METHOD("ListImages", NULL, "a(ssbttto)", method_list_images, SD_BUS_VTABLE_UNPRIVILEGED), |
c3350683 | 844 | SD_BUS_METHOD("CreateMachine", "sayssusa(sv)", "o", method_create_machine, 0), |
9b5ed6fe | 845 | SD_BUS_METHOD("CreateMachineWithNetwork", "sayssusaia(sv)", "o", method_create_machine_with_network, 0), |
8d07a7c4 | 846 | SD_BUS_METHOD("RegisterMachine", "sayssus", "o", method_register_machine, 0), |
9b5ed6fe | 847 | SD_BUS_METHOD("RegisterMachineWithNetwork", "sayssusai", "o", method_register_machine_with_network, 0), |
70244d1d LP |
848 | SD_BUS_METHOD("TerminateMachine", "s", NULL, method_terminate_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
849 | SD_BUS_METHOD("KillMachine", "ssi", NULL, method_kill_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
3a6fb33c | 850 | SD_BUS_METHOD("GetMachineAddresses", "s", "a(iay)", method_get_machine_addresses, SD_BUS_VTABLE_UNPRIVILEGED), |
717603e3 | 851 | SD_BUS_METHOD("GetMachineOSRelease", "s", "a{ss}", method_get_machine_os_release, SD_BUS_VTABLE_UNPRIVILEGED), |
40205d70 | 852 | SD_BUS_METHOD("OpenMachinePTY", "s", "hs", method_open_machine_pty, 0), |
d04c1fb8 | 853 | SD_BUS_METHOD("OpenMachineLogin", "s", "hs", method_open_machine_login, SD_BUS_VTABLE_UNPRIVILEGED), |
70244d1d LP |
854 | SD_BUS_METHOD("BindMountMachine", "sssbb", NULL, method_bind_mount_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
855 | SD_BUS_METHOD("CopyFromMachine", "sss", NULL, method_copy_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
856 | SD_BUS_METHOD("CopyToMachine", "sss", NULL, method_copy_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
857 | SD_BUS_METHOD("RemoveImage", "s", NULL, method_remove_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
858 | SD_BUS_METHOD("RenameImage", "ss", NULL, method_rename_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
859 | SD_BUS_METHOD("CloneImage", "ssb", NULL, method_clone_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
860 | SD_BUS_METHOD("MarkImageReadOnly", "sb", NULL, method_mark_image_read_only, SD_BUS_VTABLE_UNPRIVILEGED), | |
d6ce17c7 LP |
861 | SD_BUS_METHOD("SetPoolLimit", "t", NULL, method_set_pool_limit, SD_BUS_VTABLE_UNPRIVILEGED), |
862 | SD_BUS_METHOD("SetImageLimit", "st", NULL, method_set_image_limit, SD_BUS_VTABLE_UNPRIVILEGED), | |
c3350683 LP |
863 | SD_BUS_SIGNAL("MachineNew", "so", 0), |
864 | SD_BUS_SIGNAL("MachineRemoved", "so", 0), | |
865 | SD_BUS_VTABLE_END | |
866 | }; | |
1ee306e1 | 867 | |
ebcf1f97 | 868 | int match_job_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 869 | const char *path, *result, *unit; |
1ee306e1 | 870 | Manager *m = userdata; |
c3350683 LP |
871 | Machine *machine; |
872 | uint32_t id; | |
873 | int r; | |
1ee306e1 | 874 | |
c3350683 | 875 | assert(bus); |
1ee306e1 | 876 | assert(message); |
c3350683 | 877 | assert(m); |
1ee306e1 | 878 | |
c3350683 LP |
879 | r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result); |
880 | if (r < 0) { | |
ebcf1f97 LP |
881 | bus_log_parse_error(r); |
882 | return r; | |
c3350683 | 883 | } |
6797c324 | 884 | |
c3350683 LP |
885 | machine = hashmap_get(m->machine_units, unit); |
886 | if (!machine) | |
887 | return 0; | |
6797c324 | 888 | |
c3350683 LP |
889 | if (streq_ptr(path, machine->scope_job)) { |
890 | free(machine->scope_job); | |
891 | machine->scope_job = NULL; | |
6797c324 | 892 | |
c3350683 LP |
893 | if (machine->started) { |
894 | if (streq(result, "done")) | |
895 | machine_send_create_reply(machine, NULL); | |
896 | else { | |
ebcf1f97 | 897 | _cleanup_bus_error_free_ sd_bus_error e = SD_BUS_ERROR_NULL; |
6797c324 | 898 | |
ebcf1f97 | 899 | sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result); |
6797c324 | 900 | |
ebcf1f97 | 901 | machine_send_create_reply(machine, &e); |
c3350683 LP |
902 | } |
903 | } else | |
904 | machine_save(machine); | |
1ee306e1 LP |
905 | } |
906 | ||
c3350683 LP |
907 | machine_add_to_gc_queue(machine); |
908 | return 0; | |
1ee306e1 LP |
909 | } |
910 | ||
ebcf1f97 | 911 | int match_properties_changed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
912 | _cleanup_free_ char *unit = NULL; |
913 | Manager *m = userdata; | |
914 | Machine *machine; | |
915 | const char *path; | |
ebcf1f97 | 916 | int r; |
554604b3 | 917 | |
c3350683 LP |
918 | assert(bus); |
919 | assert(message); | |
920 | assert(m); | |
554604b3 | 921 | |
c3350683 LP |
922 | path = sd_bus_message_get_path(message); |
923 | if (!path) | |
554604b3 | 924 | return 0; |
554604b3 | 925 | |
ebcf1f97 | 926 | r = unit_name_from_dbus_path(path, &unit); |
e5f5b5b9 LP |
927 | if (r == -EINVAL) /* not for a unit */ |
928 | return 0; | |
ebcf1f97 LP |
929 | if (r < 0) |
930 | return r; | |
554604b3 | 931 | |
c3350683 LP |
932 | machine = hashmap_get(m->machine_units, unit); |
933 | if (machine) | |
934 | machine_add_to_gc_queue(machine); | |
554604b3 | 935 | |
c3350683 LP |
936 | return 0; |
937 | } | |
554604b3 | 938 | |
ebcf1f97 | 939 | int match_unit_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
940 | const char *path, *unit; |
941 | Manager *m = userdata; | |
942 | Machine *machine; | |
943 | int r; | |
554604b3 | 944 | |
c3350683 LP |
945 | assert(bus); |
946 | assert(message); | |
947 | assert(m); | |
554604b3 | 948 | |
c3350683 LP |
949 | r = sd_bus_message_read(message, "so", &unit, &path); |
950 | if (r < 0) { | |
ebcf1f97 LP |
951 | bus_log_parse_error(r); |
952 | return r; | |
554604b3 LP |
953 | } |
954 | ||
c3350683 LP |
955 | machine = hashmap_get(m->machine_units, unit); |
956 | if (machine) | |
957 | machine_add_to_gc_queue(machine); | |
554604b3 | 958 | |
c3350683 LP |
959 | return 0; |
960 | } | |
554604b3 | 961 | |
ebcf1f97 | 962 | int match_reloading(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 963 | Manager *m = userdata; |
a658cafa LP |
964 | Machine *machine; |
965 | Iterator i; | |
c3350683 | 966 | int b, r; |
554604b3 | 967 | |
c3350683 | 968 | assert(bus); |
554604b3 | 969 | |
c3350683 LP |
970 | r = sd_bus_message_read(message, "b", &b); |
971 | if (r < 0) { | |
ebcf1f97 LP |
972 | bus_log_parse_error(r); |
973 | return r; | |
554604b3 | 974 | } |
a658cafa LP |
975 | if (b) |
976 | return 0; | |
554604b3 | 977 | |
a658cafa LP |
978 | /* systemd finished reloading, let's recheck all our machines */ |
979 | log_debug("System manager has been reloaded, rechecking machines..."); | |
554604b3 | 980 | |
a658cafa LP |
981 | HASHMAP_FOREACH(machine, m->machines, i) |
982 | machine_add_to_gc_queue(machine); | |
554604b3 LP |
983 | |
984 | return 0; | |
985 | } | |
986 | ||
1ee306e1 LP |
987 | int manager_start_scope( |
988 | Manager *manager, | |
989 | const char *scope, | |
990 | pid_t pid, | |
991 | const char *slice, | |
992 | const char *description, | |
c3350683 LP |
993 | sd_bus_message *more_properties, |
994 | sd_bus_error *error, | |
1ee306e1 LP |
995 | char **job) { |
996 | ||
c3350683 | 997 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL; |
554604b3 | 998 | int r; |
1ee306e1 LP |
999 | |
1000 | assert(manager); | |
1001 | assert(scope); | |
1002 | assert(pid > 1); | |
1003 | ||
c3350683 LP |
1004 | r = sd_bus_message_new_method_call( |
1005 | manager->bus, | |
151b9b96 | 1006 | &m, |
1ee306e1 LP |
1007 | "org.freedesktop.systemd1", |
1008 | "/org/freedesktop/systemd1", | |
1009 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 1010 | "StartTransientUnit"); |
c3350683 LP |
1011 | if (r < 0) |
1012 | return r; | |
1ee306e1 | 1013 | |
a658cafa | 1014 | r = sd_bus_message_append(m, "ss", strempty(scope), "fail"); |
c3350683 LP |
1015 | if (r < 0) |
1016 | return r; | |
1ee306e1 | 1017 | |
c3350683 LP |
1018 | r = sd_bus_message_open_container(m, 'a', "(sv)"); |
1019 | if (r < 0) | |
1020 | return r; | |
1ee306e1 LP |
1021 | |
1022 | if (!isempty(slice)) { | |
c3350683 LP |
1023 | r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice); |
1024 | if (r < 0) | |
1025 | return r; | |
1ee306e1 LP |
1026 | } |
1027 | ||
1028 | if (!isempty(description)) { | |
c3350683 LP |
1029 | r = sd_bus_message_append(m, "(sv)", "Description", "s", description); |
1030 | if (r < 0) | |
1031 | return r; | |
1ee306e1 LP |
1032 | } |
1033 | ||
c3350683 LP |
1034 | r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid); |
1035 | if (r < 0) | |
1036 | return r; | |
554604b3 | 1037 | |
a931ad47 LP |
1038 | r = sd_bus_message_append(m, "(sv)", "Delegate", "b", 1); |
1039 | if (r < 0) | |
1040 | return r; | |
1041 | ||
554604b3 | 1042 | if (more_properties) { |
c3350683 | 1043 | r = sd_bus_message_copy(m, more_properties, true); |
554604b3 LP |
1044 | if (r < 0) |
1045 | return r; | |
1046 | } | |
1047 | ||
c3350683 LP |
1048 | r = sd_bus_message_close_container(m); |
1049 | if (r < 0) | |
1050 | return r; | |
1ee306e1 | 1051 | |
86b8d289 LP |
1052 | r = sd_bus_message_append(m, "a(sa(sv))", 0); |
1053 | if (r < 0) | |
1054 | return r; | |
1055 | ||
c49b30a2 | 1056 | r = sd_bus_call(manager->bus, m, 0, error, &reply); |
c3350683 LP |
1057 | if (r < 0) |
1058 | return r; | |
1ee306e1 LP |
1059 | |
1060 | if (job) { | |
1061 | const char *j; | |
1062 | char *copy; | |
1063 | ||
c3350683 LP |
1064 | r = sd_bus_message_read(reply, "o", &j); |
1065 | if (r < 0) | |
1066 | return r; | |
1ee306e1 LP |
1067 | |
1068 | copy = strdup(j); | |
1069 | if (!copy) | |
1070 | return -ENOMEM; | |
1071 | ||
1072 | *job = copy; | |
1073 | } | |
1074 | ||
c3350683 | 1075 | return 1; |
1ee306e1 LP |
1076 | } |
1077 | ||
c3350683 LP |
1078 | int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { |
1079 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
1ee306e1 LP |
1080 | int r; |
1081 | ||
1082 | assert(manager); | |
1083 | assert(unit); | |
1084 | ||
c3350683 | 1085 | r = sd_bus_call_method( |
1ee306e1 LP |
1086 | manager->bus, |
1087 | "org.freedesktop.systemd1", | |
1088 | "/org/freedesktop/systemd1", | |
1089 | "org.freedesktop.systemd1.Manager", | |
1090 | "StopUnit", | |
1ee306e1 | 1091 | error, |
c3350683 LP |
1092 | &reply, |
1093 | "ss", unit, "fail"); | |
1ee306e1 | 1094 | if (r < 0) { |
c3350683 LP |
1095 | if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) || |
1096 | sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) { | |
6797c324 LP |
1097 | |
1098 | if (job) | |
1099 | *job = NULL; | |
1100 | ||
c3350683 | 1101 | sd_bus_error_free(error); |
6797c324 LP |
1102 | return 0; |
1103 | } | |
1104 | ||
1ee306e1 LP |
1105 | return r; |
1106 | } | |
1107 | ||
1108 | if (job) { | |
1109 | const char *j; | |
1110 | char *copy; | |
1111 | ||
c3350683 LP |
1112 | r = sd_bus_message_read(reply, "o", &j); |
1113 | if (r < 0) | |
1114 | return r; | |
1ee306e1 LP |
1115 | |
1116 | copy = strdup(j); | |
1117 | if (!copy) | |
1118 | return -ENOMEM; | |
1119 | ||
1120 | *job = copy; | |
1121 | } | |
1122 | ||
6797c324 | 1123 | return 1; |
1ee306e1 LP |
1124 | } |
1125 | ||
de58a50e | 1126 | int manager_kill_unit(Manager *manager, const char *unit, int signo, sd_bus_error *error) { |
1ee306e1 LP |
1127 | assert(manager); |
1128 | assert(unit); | |
1129 | ||
a658cafa | 1130 | return sd_bus_call_method( |
1ee306e1 LP |
1131 | manager->bus, |
1132 | "org.freedesktop.systemd1", | |
1133 | "/org/freedesktop/systemd1", | |
1134 | "org.freedesktop.systemd1.Manager", | |
1135 | "KillUnit", | |
1ee306e1 | 1136 | error, |
a658cafa | 1137 | NULL, |
de58a50e | 1138 | "ssi", unit, "all", signo); |
1ee306e1 LP |
1139 | } |
1140 | ||
1141 | int manager_unit_is_active(Manager *manager, const char *unit) { | |
c3350683 LP |
1142 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
1143 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
1ee306e1 | 1144 | _cleanup_free_ char *path = NULL; |
1ee306e1 | 1145 | const char *state; |
1ee306e1 LP |
1146 | int r; |
1147 | ||
1148 | assert(manager); | |
1149 | assert(unit); | |
1150 | ||
1ee306e1 LP |
1151 | path = unit_dbus_path_from_name(unit); |
1152 | if (!path) | |
1153 | return -ENOMEM; | |
1154 | ||
c3350683 | 1155 | r = sd_bus_get_property( |
1ee306e1 LP |
1156 | manager->bus, |
1157 | "org.freedesktop.systemd1", | |
1158 | path, | |
c3350683 LP |
1159 | "org.freedesktop.systemd1.Unit", |
1160 | "ActiveState", | |
1ee306e1 | 1161 | &error, |
c3350683 LP |
1162 | &reply, |
1163 | "s"); | |
1ee306e1 | 1164 | if (r < 0) { |
c3350683 LP |
1165 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || |
1166 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
6797c324 | 1167 | return true; |
6797c324 | 1168 | |
c3350683 LP |
1169 | if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) || |
1170 | sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED)) | |
6797c324 | 1171 | return false; |
6797c324 | 1172 | |
1ee306e1 LP |
1173 | return r; |
1174 | } | |
1175 | ||
c3350683 LP |
1176 | r = sd_bus_message_read(reply, "s", &state); |
1177 | if (r < 0) | |
1ee306e1 | 1178 | return -EINVAL; |
1ee306e1 LP |
1179 | |
1180 | return !streq(state, "inactive") && !streq(state, "failed"); | |
1181 | } | |
bd16acf3 | 1182 | |
c3350683 LP |
1183 | int manager_job_is_active(Manager *manager, const char *path) { |
1184 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
1185 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
1186 | int r; | |
bd16acf3 | 1187 | |
c3350683 LP |
1188 | assert(manager); |
1189 | assert(path); | |
bd16acf3 | 1190 | |
c3350683 LP |
1191 | r = sd_bus_get_property( |
1192 | manager->bus, | |
1193 | "org.freedesktop.systemd1", | |
1194 | path, | |
1195 | "org.freedesktop.systemd1.Job", | |
1196 | "State", | |
1197 | &error, | |
1198 | &reply, | |
1199 | "s"); | |
1200 | if (r < 0) { | |
1201 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || | |
1202 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
1203 | return true; | |
bd16acf3 | 1204 | |
c3350683 LP |
1205 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT)) |
1206 | return false; | |
bd16acf3 | 1207 | |
bd16acf3 | 1208 | return r; |
c3350683 | 1209 | } |
bd16acf3 | 1210 | |
c3350683 LP |
1211 | /* We don't actually care about the state really. The fact |
1212 | * that we could read the job state is enough for us */ | |
bd16acf3 | 1213 | |
c3350683 | 1214 | return true; |
bd16acf3 | 1215 | } |
ab49725f KS |
1216 | |
1217 | int manager_get_machine_by_pid(Manager *m, pid_t pid, Machine **machine) { | |
1218 | _cleanup_free_ char *unit = NULL; | |
1219 | Machine *mm; | |
1220 | int r; | |
1221 | ||
1222 | assert(m); | |
1223 | assert(pid >= 1); | |
1224 | assert(machine); | |
1225 | ||
1226 | r = cg_pid_get_unit(pid, &unit); | |
1227 | if (r < 0) | |
1228 | mm = hashmap_get(m->machine_leaders, UINT_TO_PTR(pid)); | |
1229 | else | |
1230 | mm = hashmap_get(m->machine_units, unit); | |
1231 | ||
1232 | if (!mm) | |
1233 | return 0; | |
1234 | ||
1235 | *machine = mm; | |
1236 | return 1; | |
1237 | } | |
1238 | ||
1239 | int manager_add_machine(Manager *m, const char *name, Machine **_machine) { | |
1240 | Machine *machine; | |
1241 | ||
1242 | assert(m); | |
1243 | assert(name); | |
1244 | ||
1245 | machine = hashmap_get(m->machines, name); | |
1246 | if (!machine) { | |
1247 | machine = machine_new(m, name); | |
1248 | if (!machine) | |
1249 | return -ENOMEM; | |
1250 | } | |
1251 | ||
1252 | if (_machine) | |
1253 | *_machine = machine; | |
1254 | ||
1255 | return 0; | |
1256 | } |