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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 | 33 | #include "machine-image.h" |
4cee5eed | 34 | #include "machine-pool.h" |
003dffde | 35 | #include "image-dbus.h" |
c3350683 | 36 | #include "machined.h" |
003dffde | 37 | #include "machine-dbus.h" |
6482f626 | 38 | #include "formats-util.h" |
1ee306e1 | 39 | |
160e3793 LP |
40 | static int property_get_pool_path( |
41 | sd_bus *bus, | |
42 | const char *path, | |
43 | const char *interface, | |
44 | const char *property, | |
45 | sd_bus_message *reply, | |
46 | void *userdata, | |
47 | sd_bus_error *error) { | |
48 | ||
49 | assert(bus); | |
50 | assert(reply); | |
51 | ||
52 | return sd_bus_message_append(reply, "s", "/var/lib/machines"); | |
53 | } | |
54 | ||
55 | static int property_get_pool_usage( | |
56 | sd_bus *bus, | |
57 | const char *path, | |
58 | const char *interface, | |
59 | const char *property, | |
60 | sd_bus_message *reply, | |
61 | void *userdata, | |
62 | sd_bus_error *error) { | |
63 | ||
64 | _cleanup_close_ int fd = -1; | |
65 | uint64_t usage = (uint64_t) -1; | |
66 | struct stat st; | |
67 | ||
68 | assert(bus); | |
69 | assert(reply); | |
70 | ||
71 | /* We try to read the quota info from /var/lib/machines, as | |
72 | * well as the usage of the loopback file | |
73 | * /var/lib/machines.raw, and pick the larger value. */ | |
74 | ||
75 | fd = open("/var/lib/machines", O_RDONLY|O_CLOEXEC|O_DIRECTORY); | |
76 | if (fd >= 0) { | |
77 | BtrfsQuotaInfo q; | |
78 | ||
79 | if (btrfs_subvol_get_quota_fd(fd, &q) >= 0) | |
cb81cd80 | 80 | usage = q.referenced; |
160e3793 LP |
81 | } |
82 | ||
83 | if (stat("/var/lib/machines.raw", &st) >= 0) { | |
84 | if (usage == (uint64_t) -1 || st.st_blocks * 512ULL > usage) | |
85 | usage = st.st_blocks * 512ULL; | |
86 | } | |
87 | ||
88 | return sd_bus_message_append(reply, "t", usage); | |
89 | } | |
90 | ||
91 | static int property_get_pool_limit( | |
92 | sd_bus *bus, | |
93 | const char *path, | |
94 | const char *interface, | |
95 | const char *property, | |
96 | sd_bus_message *reply, | |
97 | void *userdata, | |
98 | sd_bus_error *error) { | |
99 | ||
100 | _cleanup_close_ int fd = -1; | |
101 | uint64_t size = (uint64_t) -1; | |
102 | struct stat st; | |
103 | ||
104 | assert(bus); | |
105 | assert(reply); | |
106 | ||
107 | /* We try to read the quota limit from /var/lib/machines, as | |
108 | * well as the size of the loopback file | |
109 | * /var/lib/machines.raw, and pick the smaller value. */ | |
110 | ||
111 | fd = open("/var/lib/machines", O_RDONLY|O_CLOEXEC|O_DIRECTORY); | |
112 | if (fd >= 0) { | |
113 | BtrfsQuotaInfo q; | |
114 | ||
115 | if (btrfs_subvol_get_quota_fd(fd, &q) >= 0) | |
cb81cd80 | 116 | size = q.referenced_max; |
160e3793 LP |
117 | } |
118 | ||
119 | if (stat("/var/lib/machines.raw", &st) >= 0) { | |
120 | if (size == (uint64_t) -1 || (uint64_t) st.st_size < size) | |
121 | size = st.st_size; | |
122 | } | |
123 | ||
124 | return sd_bus_message_append(reply, "t", size); | |
125 | } | |
126 | ||
ebcf1f97 | 127 | static int method_get_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
128 | _cleanup_free_ char *p = NULL; |
129 | Manager *m = userdata; | |
130 | Machine *machine; | |
131 | const char *name; | |
132 | int r; | |
133 | ||
134 | assert(bus); | |
135 | assert(message); | |
136 | assert(m); | |
137 | ||
138 | r = sd_bus_message_read(message, "s", &name); | |
139 | if (r < 0) | |
ebcf1f97 | 140 | return r; |
c3350683 LP |
141 | |
142 | machine = hashmap_get(m->machines, name); | |
143 | if (!machine) | |
ebcf1f97 | 144 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
c3350683 LP |
145 | |
146 | p = machine_bus_path(machine); | |
147 | if (!p) | |
ebcf1f97 | 148 | return -ENOMEM; |
c3350683 | 149 | |
df2d202e | 150 | return sd_bus_reply_method_return(message, "o", p); |
c3350683 LP |
151 | } |
152 | ||
c2ce6a3d LP |
153 | static int method_get_image(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
154 | _cleanup_free_ char *p = NULL; | |
155 | Manager *m = userdata; | |
156 | const char *name; | |
157 | int r; | |
158 | ||
159 | assert(bus); | |
160 | assert(message); | |
161 | assert(m); | |
162 | ||
163 | r = sd_bus_message_read(message, "s", &name); | |
164 | if (r < 0) | |
165 | return r; | |
166 | ||
167 | r = image_find(name, NULL); | |
168 | if (r == 0) | |
169 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
170 | if (r < 0) | |
171 | return r; | |
172 | ||
173 | p = image_bus_path(name); | |
174 | if (!p) | |
175 | return -ENOMEM; | |
176 | ||
177 | return sd_bus_reply_method_return(message, "o", p); | |
178 | } | |
179 | ||
ebcf1f97 | 180 | static int method_get_machine_by_pid(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
181 | _cleanup_free_ char *p = NULL; |
182 | Manager *m = userdata; | |
183 | Machine *machine = NULL; | |
4e724d9c | 184 | pid_t pid; |
c3350683 LP |
185 | int r; |
186 | ||
187 | assert(bus); | |
188 | assert(message); | |
189 | assert(m); | |
190 | ||
4e724d9c LP |
191 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
192 | ||
c3350683 LP |
193 | r = sd_bus_message_read(message, "u", &pid); |
194 | if (r < 0) | |
ebcf1f97 | 195 | return r; |
c3350683 | 196 | |
4e724d9c | 197 | if (pid == 0) { |
5b12334d LP |
198 | _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; |
199 | ||
200 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
201 | if (r < 0) | |
202 | return r; | |
203 | ||
204 | r = sd_bus_creds_get_pid(creds, &pid); | |
4e724d9c | 205 | if (r < 0) |
ebcf1f97 | 206 | return r; |
4e724d9c LP |
207 | } |
208 | ||
c3350683 LP |
209 | r = manager_get_machine_by_pid(m, pid, &machine); |
210 | if (r < 0) | |
ebcf1f97 | 211 | return r; |
c3350683 | 212 | if (!machine) |
de0671ee | 213 | 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 |
214 | |
215 | p = machine_bus_path(machine); | |
216 | if (!p) | |
ebcf1f97 | 217 | return -ENOMEM; |
c3350683 | 218 | |
df2d202e | 219 | return sd_bus_reply_method_return(message, "o", p); |
c3350683 LP |
220 | } |
221 | ||
ebcf1f97 | 222 | static int method_list_machines(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
223 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; |
224 | Manager *m = userdata; | |
225 | Machine *machine; | |
226 | Iterator i; | |
227 | int r; | |
228 | ||
229 | assert(bus); | |
230 | assert(message); | |
231 | assert(m); | |
232 | ||
df2d202e | 233 | r = sd_bus_message_new_method_return(message, &reply); |
c3350683 | 234 | if (r < 0) |
ebcf1f97 | 235 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
236 | |
237 | r = sd_bus_message_open_container(reply, 'a', "(ssso)"); | |
238 | if (r < 0) | |
ebcf1f97 | 239 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
240 | |
241 | HASHMAP_FOREACH(machine, m->machines, i) { | |
242 | _cleanup_free_ char *p = NULL; | |
243 | ||
244 | p = machine_bus_path(machine); | |
245 | if (!p) | |
ebcf1f97 | 246 | return -ENOMEM; |
c3350683 LP |
247 | |
248 | r = sd_bus_message_append(reply, "(ssso)", | |
249 | machine->name, | |
250 | strempty(machine_class_to_string(machine->class)), | |
251 | machine->service, | |
252 | p); | |
253 | if (r < 0) | |
ebcf1f97 | 254 | return sd_bus_error_set_errno(error, r); |
c3350683 | 255 | } |
1ee306e1 | 256 | |
c3350683 LP |
257 | r = sd_bus_message_close_container(reply); |
258 | if (r < 0) | |
ebcf1f97 | 259 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
260 | |
261 | return sd_bus_send(bus, reply, NULL); | |
262 | } | |
263 | ||
9b5ed6fe | 264 | static int method_create_or_register_machine(Manager *manager, sd_bus_message *message, bool read_network, Machine **_m, sd_bus_error *error) { |
8aec412f | 265 | const char *name, *service, *class, *root_directory; |
9b5ed6fe | 266 | const int32_t *netif = NULL; |
1ee306e1 LP |
267 | MachineClass c; |
268 | uint32_t leader; | |
269 | sd_id128_t id; | |
c3350683 | 270 | const void *v; |
1ee306e1 | 271 | Machine *m; |
9b5ed6fe | 272 | size_t n, n_netif = 0; |
c3350683 | 273 | int r; |
1ee306e1 | 274 | |
c3350683 | 275 | assert(manager); |
89f7c846 LP |
276 | assert(message); |
277 | assert(_m); | |
1ee306e1 | 278 | |
c3350683 LP |
279 | r = sd_bus_message_read(message, "s", &name); |
280 | if (r < 0) | |
ebcf1f97 | 281 | return r; |
7f0d207d | 282 | if (!machine_name_is_valid(name)) |
ebcf1f97 | 283 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine name"); |
1ee306e1 | 284 | |
c3350683 LP |
285 | r = sd_bus_message_read_array(message, 'y', &v, &n); |
286 | if (r < 0) | |
ebcf1f97 | 287 | return r; |
1ee306e1 LP |
288 | if (n == 0) |
289 | id = SD_ID128_NULL; | |
290 | else if (n == 16) | |
291 | memcpy(&id, v, n); | |
292 | else | |
ebcf1f97 | 293 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine ID parameter"); |
1ee306e1 | 294 | |
c3350683 LP |
295 | r = sd_bus_message_read(message, "ssus", &service, &class, &leader, &root_directory); |
296 | if (r < 0) | |
ebcf1f97 | 297 | return r; |
1ee306e1 | 298 | |
9b5ed6fe LP |
299 | if (read_network) { |
300 | size_t i; | |
301 | ||
302 | r = sd_bus_message_read_array(message, 'i', (const void**) &netif, &n_netif); | |
303 | if (r < 0) | |
304 | return r; | |
305 | ||
306 | n_netif /= sizeof(int32_t); | |
307 | ||
308 | for (i = 0; i < n_netif; i++) { | |
309 | if (netif[i] <= 0) | |
310 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid network interface index %i", netif[i]); | |
311 | } | |
312 | } | |
313 | ||
1ee306e1 LP |
314 | if (isempty(class)) |
315 | c = _MACHINE_CLASS_INVALID; | |
316 | else { | |
317 | c = machine_class_from_string(class); | |
318 | if (c < 0) | |
ebcf1f97 | 319 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine class parameter"); |
1ee306e1 LP |
320 | } |
321 | ||
c3350683 | 322 | if (leader == 1) |
ebcf1f97 | 323 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID"); |
1ee306e1 | 324 | |
c3350683 | 325 | if (!isempty(root_directory) && !path_is_absolute(root_directory)) |
ebcf1f97 | 326 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Root directory must be empty or an absolute path"); |
1ee306e1 | 327 | |
c3350683 | 328 | if (leader == 0) { |
5b12334d LP |
329 | _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; |
330 | ||
331 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
332 | if (r < 0) | |
333 | return r; | |
334 | ||
c3350683 | 335 | assert_cc(sizeof(uint32_t) == sizeof(pid_t)); |
554604b3 | 336 | |
5b12334d | 337 | r = sd_bus_creds_get_pid(creds, (pid_t*) &leader); |
c3350683 | 338 | if (r < 0) |
ebcf1f97 | 339 | return r; |
c3350683 | 340 | } |
554604b3 | 341 | |
1ee306e1 | 342 | if (hashmap_get(manager->machines, name)) |
ebcf1f97 | 343 | return sd_bus_error_setf(error, BUS_ERROR_MACHINE_EXISTS, "Machine '%s' already exists", name); |
1ee306e1 LP |
344 | |
345 | r = manager_add_machine(manager, name, &m); | |
346 | if (r < 0) | |
ebcf1f97 | 347 | return r; |
1ee306e1 LP |
348 | |
349 | m->leader = leader; | |
350 | m->class = c; | |
351 | m->id = id; | |
352 | ||
353 | if (!isempty(service)) { | |
354 | m->service = strdup(service); | |
355 | if (!m->service) { | |
ebcf1f97 | 356 | r = -ENOMEM; |
1ee306e1 LP |
357 | goto fail; |
358 | } | |
359 | } | |
360 | ||
361 | if (!isempty(root_directory)) { | |
362 | m->root_directory = strdup(root_directory); | |
363 | if (!m->root_directory) { | |
ebcf1f97 | 364 | r = -ENOMEM; |
1ee306e1 LP |
365 | goto fail; |
366 | } | |
367 | } | |
368 | ||
9b5ed6fe LP |
369 | if (n_netif > 0) { |
370 | assert_cc(sizeof(int32_t) == sizeof(int)); | |
371 | m->netif = memdup(netif, sizeof(int32_t) * n_netif); | |
372 | if (!m->netif) { | |
373 | r = -ENOMEM; | |
374 | goto fail; | |
375 | } | |
376 | ||
377 | m->n_netif = n_netif; | |
378 | } | |
379 | ||
89f7c846 LP |
380 | *_m = m; |
381 | ||
382 | return 1; | |
383 | ||
384 | fail: | |
385 | machine_add_to_gc_queue(m); | |
386 | return r; | |
387 | } | |
388 | ||
9b5ed6fe | 389 | static int method_create_machine_internal(sd_bus *bus, sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) { |
89f7c846 LP |
390 | Manager *manager = userdata; |
391 | Machine *m = NULL; | |
392 | int r; | |
393 | ||
9b5ed6fe | 394 | r = method_create_or_register_machine(manager, message, read_network, &m, error); |
89f7c846 LP |
395 | if (r < 0) |
396 | return r; | |
397 | ||
398 | r = sd_bus_message_enter_container(message, 'a', "(sv)"); | |
399 | if (r < 0) | |
400 | goto fail; | |
401 | ||
ebcf1f97 LP |
402 | r = machine_start(m, message, error); |
403 | if (r < 0) | |
1ee306e1 LP |
404 | goto fail; |
405 | ||
c3350683 | 406 | m->create_message = sd_bus_message_ref(message); |
c3350683 | 407 | return 1; |
1ee306e1 LP |
408 | |
409 | fail: | |
a3e7f417 | 410 | machine_add_to_gc_queue(m); |
89f7c846 LP |
411 | return r; |
412 | } | |
1ee306e1 | 413 | |
9b5ed6fe LP |
414 | static int method_create_machine_with_network(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
415 | return method_create_machine_internal(bus, message, true, userdata, error); | |
416 | } | |
417 | ||
418 | static int method_create_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
419 | return method_create_machine_internal(bus, message, false, userdata, error); | |
420 | } | |
421 | ||
422 | static int method_register_machine_internal(sd_bus *bus, sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) { | |
89f7c846 LP |
423 | Manager *manager = userdata; |
424 | _cleanup_free_ char *p = NULL; | |
425 | Machine *m = NULL; | |
426 | int r; | |
427 | ||
9b5ed6fe | 428 | r = method_create_or_register_machine(manager, message, read_network, &m, error); |
89f7c846 LP |
429 | if (r < 0) |
430 | return r; | |
431 | ||
432 | r = cg_pid_get_unit(m->leader, &m->unit); | |
433 | if (r < 0) { | |
434 | r = sd_bus_error_set_errnof(error, r, "Failed to determine unit of process "PID_FMT" : %s", m->leader, strerror(-r)); | |
435 | goto fail; | |
436 | } | |
437 | ||
438 | r = machine_start(m, NULL, error); | |
439 | if (r < 0) | |
440 | goto fail; | |
441 | ||
442 | p = machine_bus_path(m); | |
443 | if (!p) { | |
444 | r = -ENOMEM; | |
445 | goto fail; | |
446 | } | |
447 | ||
448 | return sd_bus_reply_method_return(message, "o", p); | |
449 | ||
450 | fail: | |
451 | machine_add_to_gc_queue(m); | |
1ee306e1 LP |
452 | return r; |
453 | } | |
454 | ||
9b5ed6fe LP |
455 | static int method_register_machine_with_network(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
456 | return method_register_machine_internal(bus, message, true, userdata, error); | |
457 | } | |
458 | ||
459 | static int method_register_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
460 | return method_register_machine_internal(bus, message, false, userdata, error); | |
461 | } | |
462 | ||
ebcf1f97 | 463 | static int method_terminate_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1ee306e1 | 464 | Manager *m = userdata; |
c3350683 LP |
465 | Machine *machine; |
466 | const char *name; | |
1ee306e1 LP |
467 | int r; |
468 | ||
c3350683 | 469 | assert(bus); |
1ee306e1 LP |
470 | assert(message); |
471 | assert(m); | |
472 | ||
c3350683 LP |
473 | r = sd_bus_message_read(message, "s", &name); |
474 | if (r < 0) | |
ebcf1f97 | 475 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 476 | |
c3350683 LP |
477 | machine = hashmap_get(m->machines, name); |
478 | if (!machine) | |
ebcf1f97 | 479 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
1ee306e1 | 480 | |
878cd7e9 | 481 | return bus_machine_method_terminate(bus, message, machine, error); |
c3350683 | 482 | } |
1ee306e1 | 483 | |
ebcf1f97 | 484 | static int method_kill_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
485 | Manager *m = userdata; |
486 | Machine *machine; | |
487 | const char *name; | |
c3350683 | 488 | int r; |
1ee306e1 | 489 | |
c3350683 LP |
490 | assert(bus); |
491 | assert(message); | |
492 | assert(m); | |
1ee306e1 | 493 | |
878cd7e9 | 494 | r = sd_bus_message_read(message, "s", &name); |
c3350683 | 495 | if (r < 0) |
ebcf1f97 | 496 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 497 | |
c3350683 LP |
498 | machine = hashmap_get(m->machines, name); |
499 | if (!machine) | |
ebcf1f97 | 500 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
1ee306e1 | 501 | |
878cd7e9 LP |
502 | return bus_machine_method_kill(bus, message, machine, error); |
503 | } | |
504 | ||
505 | static int method_get_machine_addresses(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
506 | Manager *m = userdata; | |
507 | Machine *machine; | |
508 | const char *name; | |
509 | int r; | |
510 | ||
511 | assert(bus); | |
512 | assert(message); | |
513 | assert(m); | |
514 | ||
515 | r = sd_bus_message_read(message, "s", &name); | |
c3350683 | 516 | if (r < 0) |
ebcf1f97 | 517 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 518 | |
878cd7e9 LP |
519 | machine = hashmap_get(m->machines, name); |
520 | if (!machine) | |
521 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
522 | ||
523 | return bus_machine_method_get_addresses(bus, message, machine, error); | |
c3350683 | 524 | } |
1ee306e1 | 525 | |
717603e3 LP |
526 | static int method_get_machine_os_release(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
527 | Manager *m = userdata; | |
528 | Machine *machine; | |
529 | const char *name; | |
530 | int r; | |
531 | ||
532 | assert(bus); | |
533 | assert(message); | |
534 | assert(m); | |
535 | ||
536 | r = sd_bus_message_read(message, "s", &name); | |
537 | if (r < 0) | |
538 | return sd_bus_error_set_errno(error, r); | |
539 | ||
540 | machine = hashmap_get(m->machines, name); | |
541 | if (!machine) | |
542 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
543 | ||
544 | return bus_machine_method_get_os_release(bus, message, machine, error); | |
545 | } | |
546 | ||
cd61c3bf LP |
547 | static int method_list_images(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
548 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
549 | _cleanup_(image_hashmap_freep) Hashmap *images = NULL; | |
550 | Manager *m = userdata; | |
551 | Image *image; | |
552 | Iterator i; | |
553 | int r; | |
554 | ||
555 | assert(bus); | |
556 | assert(message); | |
557 | assert(m); | |
558 | ||
559 | images = hashmap_new(&string_hash_ops); | |
560 | if (!images) | |
561 | return -ENOMEM; | |
562 | ||
563 | r = image_discover(images); | |
564 | if (r < 0) | |
565 | return r; | |
566 | ||
567 | r = sd_bus_message_new_method_return(message, &reply); | |
568 | if (r < 0) | |
569 | return r; | |
570 | ||
b6b18498 | 571 | r = sd_bus_message_open_container(reply, 'a', "(ssbttto)"); |
cd61c3bf LP |
572 | if (r < 0) |
573 | return r; | |
574 | ||
575 | HASHMAP_FOREACH(image, images, i) { | |
576 | _cleanup_free_ char *p = NULL; | |
577 | ||
578 | p = image_bus_path(image->name); | |
579 | if (!p) | |
580 | return -ENOMEM; | |
581 | ||
b6b18498 | 582 | r = sd_bus_message_append(reply, "(ssbttto)", |
cd61c3bf LP |
583 | image->name, |
584 | image_type_to_string(image->type), | |
585 | image->read_only, | |
10f9c755 LP |
586 | image->crtime, |
587 | image->mtime, | |
c19de711 | 588 | image->usage, |
cd61c3bf LP |
589 | p); |
590 | if (r < 0) | |
591 | return r; | |
592 | } | |
593 | ||
594 | r = sd_bus_message_close_container(reply); | |
595 | if (r < 0) | |
596 | return r; | |
597 | ||
598 | return sd_bus_send(bus, reply, NULL); | |
599 | } | |
600 | ||
40205d70 LP |
601 | static int method_open_machine_pty(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
602 | Manager *m = userdata; | |
603 | Machine *machine; | |
604 | const char *name; | |
605 | int r; | |
606 | ||
607 | assert(bus); | |
608 | assert(message); | |
609 | assert(m); | |
610 | ||
611 | r = sd_bus_message_read(message, "s", &name); | |
612 | if (r < 0) | |
613 | return sd_bus_error_set_errno(error, r); | |
614 | ||
615 | machine = hashmap_get(m->machines, name); | |
616 | if (!machine) | |
617 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
618 | ||
619 | return bus_machine_method_open_pty(bus, message, machine, error); | |
620 | } | |
621 | ||
5f8cc96a LP |
622 | static int method_open_machine_login(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
623 | Manager *m = userdata; | |
624 | Machine *machine; | |
625 | const char *name; | |
626 | int r; | |
627 | ||
628 | assert(bus); | |
629 | assert(message); | |
630 | assert(m); | |
631 | ||
632 | r = sd_bus_message_read(message, "s", &name); | |
633 | if (r < 0) | |
08682124 | 634 | return r; |
5f8cc96a LP |
635 | |
636 | machine = hashmap_get(m->machines, name); | |
637 | if (!machine) | |
638 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
639 | ||
640 | return bus_machine_method_open_login(bus, message, machine, error); | |
641 | } | |
642 | ||
90adaa25 LP |
643 | static int method_bind_mount_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
644 | Manager *m = userdata; | |
645 | Machine *machine; | |
646 | const char *name; | |
647 | int r; | |
648 | ||
649 | assert(bus); | |
650 | assert(message); | |
651 | assert(m); | |
652 | ||
653 | r = sd_bus_message_read(message, "s", &name); | |
654 | if (r < 0) | |
655 | return r; | |
656 | ||
657 | machine = hashmap_get(m->machines, name); | |
658 | if (!machine) | |
659 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
660 | ||
661 | return bus_machine_method_bind_mount(bus, message, machine, error); | |
662 | } | |
663 | ||
0370612e LP |
664 | static int method_copy_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
665 | Manager *m = userdata; | |
666 | Machine *machine; | |
667 | const char *name; | |
668 | int r; | |
669 | ||
670 | assert(bus); | |
671 | assert(message); | |
672 | assert(m); | |
673 | ||
674 | r = sd_bus_message_read(message, "s", &name); | |
675 | if (r < 0) | |
676 | return r; | |
677 | ||
678 | machine = hashmap_get(m->machines, name); | |
679 | if (!machine) | |
680 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
681 | ||
682 | return bus_machine_method_copy(bus, message, machine, error); | |
683 | } | |
684 | ||
08682124 LP |
685 | static int method_remove_image(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
686 | _cleanup_(image_unrefp) Image* i = NULL; | |
687 | const char *name; | |
688 | int r; | |
689 | ||
690 | assert(bus); | |
691 | assert(message); | |
692 | ||
693 | r = sd_bus_message_read(message, "s", &name); | |
694 | if (r < 0) | |
695 | return r; | |
696 | ||
697 | if (!image_name_is_valid(name)) | |
698 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
699 | ||
700 | r = image_find(name, &i); | |
701 | if (r < 0) | |
702 | return r; | |
703 | if (r == 0) | |
704 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
705 | ||
70244d1d | 706 | i->userdata = userdata; |
1ddb263d | 707 | return bus_image_method_remove(bus, message, i, error); |
08682124 LP |
708 | } |
709 | ||
ebd93cb6 LP |
710 | static int method_rename_image(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
711 | _cleanup_(image_unrefp) Image* i = NULL; | |
1ddb263d | 712 | const char *old_name; |
ebd93cb6 LP |
713 | int r; |
714 | ||
715 | assert(bus); | |
716 | assert(message); | |
717 | ||
1ddb263d | 718 | r = sd_bus_message_read(message, "s", &old_name); |
ebd93cb6 LP |
719 | if (r < 0) |
720 | return r; | |
721 | ||
722 | if (!image_name_is_valid(old_name)) | |
723 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", old_name); | |
ebd93cb6 LP |
724 | |
725 | r = image_find(old_name, &i); | |
726 | if (r < 0) | |
727 | return r; | |
728 | if (r == 0) | |
729 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", old_name); | |
730 | ||
70244d1d | 731 | i->userdata = userdata; |
1ddb263d | 732 | return bus_image_method_rename(bus, message, i, error); |
ebd93cb6 LP |
733 | } |
734 | ||
735 | static int method_clone_image(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
736 | _cleanup_(image_unrefp) Image *i = NULL; | |
1ddb263d LP |
737 | const char *old_name; |
738 | int r; | |
ebd93cb6 LP |
739 | |
740 | assert(bus); | |
1ddb263d | 741 | r = sd_bus_message_read(message, "s", &old_name); |
ebd93cb6 LP |
742 | if (r < 0) |
743 | return r; | |
744 | ||
745 | if (!image_name_is_valid(old_name)) | |
746 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", old_name); | |
ebd93cb6 LP |
747 | |
748 | r = image_find(old_name, &i); | |
749 | if (r < 0) | |
750 | return r; | |
751 | if (r == 0) | |
752 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", old_name); | |
753 | ||
70244d1d | 754 | i->userdata = userdata; |
1ddb263d | 755 | return bus_image_method_clone(bus, message, i, error); |
ebd93cb6 LP |
756 | } |
757 | ||
758 | static int method_mark_image_read_only(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
759 | _cleanup_(image_unrefp) Image *i = NULL; | |
760 | const char *name; | |
1ddb263d | 761 | int r; |
ebd93cb6 LP |
762 | |
763 | assert(bus); | |
1ddb263d | 764 | r = sd_bus_message_read(message, "s", &name); |
ebd93cb6 LP |
765 | if (r < 0) |
766 | return r; | |
767 | ||
768 | if (!image_name_is_valid(name)) | |
769 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
770 | ||
771 | r = image_find(name, &i); | |
772 | if (r < 0) | |
773 | return r; | |
774 | if (r == 0) | |
775 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
776 | ||
70244d1d | 777 | i->userdata = userdata; |
1ddb263d | 778 | return bus_image_method_mark_read_only(bus, message, i, error); |
ebd93cb6 LP |
779 | } |
780 | ||
d6ce17c7 LP |
781 | static int method_set_pool_limit(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
782 | Manager *m = userdata; | |
783 | uint64_t limit; | |
784 | int r; | |
785 | ||
786 | assert(bus); | |
787 | r = sd_bus_message_read(message, "t", &limit); | |
788 | if (r < 0) | |
789 | return r; | |
790 | ||
791 | r = bus_verify_polkit_async( | |
792 | message, | |
793 | CAP_SYS_ADMIN, | |
794 | "org.freedesktop.machine1.manage-machines", | |
795 | false, | |
796 | UID_INVALID, | |
797 | &m->polkit_registry, | |
798 | error); | |
799 | if (r < 0) | |
800 | return r; | |
801 | if (r == 0) | |
802 | return 1; /* Will call us back */ | |
803 | ||
4cee5eed LP |
804 | /* Set up the machine directory if necessary */ |
805 | r = setup_machine_directory(limit, error); | |
806 | if (r < 0) | |
807 | return r; | |
808 | ||
26166c88 LP |
809 | r = btrfs_resize_loopback("/var/lib/machines", limit, false); |
810 | if (r == -ENOTTY) | |
811 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Quota is only supported on btrfs."); | |
812 | if (r < 0 && r != -ENODEV) /* ignore ENODEV, as that's what is returned if the file system is not on loopback */ | |
efe02862 LP |
813 | return sd_bus_error_set_errnof(error, r, "Failed to adjust loopback limit: %m"); |
814 | ||
d6ce17c7 LP |
815 | r = btrfs_quota_limit("/var/lib/machines", limit); |
816 | if (r == -ENOTTY) | |
817 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Quota is only supported on btrfs."); | |
26166c88 | 818 | if (r < 0) |
d6ce17c7 LP |
819 | return sd_bus_error_set_errnof(error, r, "Failed to adjust quota limit: %m"); |
820 | ||
821 | return sd_bus_reply_method_return(message, NULL); | |
822 | } | |
823 | ||
824 | static int method_set_image_limit(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
825 | _cleanup_(image_unrefp) Image *i = NULL; | |
826 | const char *name; | |
827 | int r; | |
828 | ||
829 | assert(bus); | |
830 | r = sd_bus_message_read(message, "s", &name); | |
831 | if (r < 0) | |
832 | return r; | |
833 | ||
834 | if (!image_name_is_valid(name)) | |
835 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
836 | ||
837 | r = image_find(name, &i); | |
838 | if (r < 0) | |
839 | return r; | |
840 | if (r == 0) | |
841 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
842 | ||
843 | i->userdata = userdata; | |
844 | return bus_image_method_set_limit(bus, message, i, error); | |
845 | } | |
846 | ||
c3350683 LP |
847 | const sd_bus_vtable manager_vtable[] = { |
848 | SD_BUS_VTABLE_START(0), | |
160e3793 LP |
849 | SD_BUS_PROPERTY("PoolPath", "s", property_get_pool_path, 0, 0), |
850 | SD_BUS_PROPERTY("PoolUsage", "t", property_get_pool_usage, 0, 0), | |
851 | SD_BUS_PROPERTY("PoolLimit", "t", property_get_pool_limit, 0, 0), | |
adacb957 | 852 | SD_BUS_METHOD("GetMachine", "s", "o", method_get_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
c2ce6a3d | 853 | SD_BUS_METHOD("GetImage", "s", "o", method_get_image, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
854 | SD_BUS_METHOD("GetMachineByPID", "u", "o", method_get_machine_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), |
855 | SD_BUS_METHOD("ListMachines", NULL, "a(ssso)", method_list_machines, SD_BUS_VTABLE_UNPRIVILEGED), | |
b6b18498 | 856 | SD_BUS_METHOD("ListImages", NULL, "a(ssbttto)", method_list_images, SD_BUS_VTABLE_UNPRIVILEGED), |
c3350683 | 857 | SD_BUS_METHOD("CreateMachine", "sayssusa(sv)", "o", method_create_machine, 0), |
9b5ed6fe | 858 | SD_BUS_METHOD("CreateMachineWithNetwork", "sayssusaia(sv)", "o", method_create_machine_with_network, 0), |
8d07a7c4 | 859 | SD_BUS_METHOD("RegisterMachine", "sayssus", "o", method_register_machine, 0), |
9b5ed6fe | 860 | SD_BUS_METHOD("RegisterMachineWithNetwork", "sayssusai", "o", method_register_machine_with_network, 0), |
70244d1d LP |
861 | SD_BUS_METHOD("TerminateMachine", "s", NULL, method_terminate_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
862 | SD_BUS_METHOD("KillMachine", "ssi", NULL, method_kill_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
3a6fb33c | 863 | SD_BUS_METHOD("GetMachineAddresses", "s", "a(iay)", method_get_machine_addresses, SD_BUS_VTABLE_UNPRIVILEGED), |
717603e3 | 864 | SD_BUS_METHOD("GetMachineOSRelease", "s", "a{ss}", method_get_machine_os_release, SD_BUS_VTABLE_UNPRIVILEGED), |
40205d70 | 865 | SD_BUS_METHOD("OpenMachinePTY", "s", "hs", method_open_machine_pty, 0), |
d04c1fb8 | 866 | SD_BUS_METHOD("OpenMachineLogin", "s", "hs", method_open_machine_login, SD_BUS_VTABLE_UNPRIVILEGED), |
70244d1d LP |
867 | SD_BUS_METHOD("BindMountMachine", "sssbb", NULL, method_bind_mount_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
868 | SD_BUS_METHOD("CopyFromMachine", "sss", NULL, method_copy_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
869 | SD_BUS_METHOD("CopyToMachine", "sss", NULL, method_copy_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
870 | SD_BUS_METHOD("RemoveImage", "s", NULL, method_remove_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
871 | SD_BUS_METHOD("RenameImage", "ss", NULL, method_rename_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
872 | SD_BUS_METHOD("CloneImage", "ssb", NULL, method_clone_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
873 | SD_BUS_METHOD("MarkImageReadOnly", "sb", NULL, method_mark_image_read_only, SD_BUS_VTABLE_UNPRIVILEGED), | |
d6ce17c7 LP |
874 | SD_BUS_METHOD("SetPoolLimit", "t", NULL, method_set_pool_limit, SD_BUS_VTABLE_UNPRIVILEGED), |
875 | SD_BUS_METHOD("SetImageLimit", "st", NULL, method_set_image_limit, SD_BUS_VTABLE_UNPRIVILEGED), | |
c3350683 LP |
876 | SD_BUS_SIGNAL("MachineNew", "so", 0), |
877 | SD_BUS_SIGNAL("MachineRemoved", "so", 0), | |
878 | SD_BUS_VTABLE_END | |
879 | }; | |
1ee306e1 | 880 | |
ebcf1f97 | 881 | int match_job_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 882 | const char *path, *result, *unit; |
1ee306e1 | 883 | Manager *m = userdata; |
c3350683 LP |
884 | Machine *machine; |
885 | uint32_t id; | |
886 | int r; | |
1ee306e1 | 887 | |
c3350683 | 888 | assert(bus); |
1ee306e1 | 889 | assert(message); |
c3350683 | 890 | assert(m); |
1ee306e1 | 891 | |
c3350683 LP |
892 | r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result); |
893 | if (r < 0) { | |
ebcf1f97 LP |
894 | bus_log_parse_error(r); |
895 | return r; | |
c3350683 | 896 | } |
6797c324 | 897 | |
c3350683 LP |
898 | machine = hashmap_get(m->machine_units, unit); |
899 | if (!machine) | |
900 | return 0; | |
6797c324 | 901 | |
c3350683 LP |
902 | if (streq_ptr(path, machine->scope_job)) { |
903 | free(machine->scope_job); | |
904 | machine->scope_job = NULL; | |
6797c324 | 905 | |
c3350683 LP |
906 | if (machine->started) { |
907 | if (streq(result, "done")) | |
908 | machine_send_create_reply(machine, NULL); | |
909 | else { | |
ebcf1f97 | 910 | _cleanup_bus_error_free_ sd_bus_error e = SD_BUS_ERROR_NULL; |
6797c324 | 911 | |
ebcf1f97 | 912 | sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result); |
6797c324 | 913 | |
ebcf1f97 | 914 | machine_send_create_reply(machine, &e); |
c3350683 LP |
915 | } |
916 | } else | |
917 | machine_save(machine); | |
1ee306e1 LP |
918 | } |
919 | ||
c3350683 LP |
920 | machine_add_to_gc_queue(machine); |
921 | return 0; | |
1ee306e1 LP |
922 | } |
923 | ||
ebcf1f97 | 924 | int match_properties_changed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
925 | _cleanup_free_ char *unit = NULL; |
926 | Manager *m = userdata; | |
927 | Machine *machine; | |
928 | const char *path; | |
ebcf1f97 | 929 | int r; |
554604b3 | 930 | |
c3350683 LP |
931 | assert(bus); |
932 | assert(message); | |
933 | assert(m); | |
554604b3 | 934 | |
c3350683 LP |
935 | path = sd_bus_message_get_path(message); |
936 | if (!path) | |
554604b3 | 937 | return 0; |
554604b3 | 938 | |
ebcf1f97 | 939 | r = unit_name_from_dbus_path(path, &unit); |
e5f5b5b9 LP |
940 | if (r == -EINVAL) /* not for a unit */ |
941 | return 0; | |
ebcf1f97 LP |
942 | if (r < 0) |
943 | return r; | |
554604b3 | 944 | |
c3350683 LP |
945 | machine = hashmap_get(m->machine_units, unit); |
946 | if (machine) | |
947 | machine_add_to_gc_queue(machine); | |
554604b3 | 948 | |
c3350683 LP |
949 | return 0; |
950 | } | |
554604b3 | 951 | |
ebcf1f97 | 952 | int match_unit_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
953 | const char *path, *unit; |
954 | Manager *m = userdata; | |
955 | Machine *machine; | |
956 | int r; | |
554604b3 | 957 | |
c3350683 LP |
958 | assert(bus); |
959 | assert(message); | |
960 | assert(m); | |
554604b3 | 961 | |
c3350683 LP |
962 | r = sd_bus_message_read(message, "so", &unit, &path); |
963 | if (r < 0) { | |
ebcf1f97 LP |
964 | bus_log_parse_error(r); |
965 | return r; | |
554604b3 LP |
966 | } |
967 | ||
c3350683 LP |
968 | machine = hashmap_get(m->machine_units, unit); |
969 | if (machine) | |
970 | machine_add_to_gc_queue(machine); | |
554604b3 | 971 | |
c3350683 LP |
972 | return 0; |
973 | } | |
554604b3 | 974 | |
ebcf1f97 | 975 | int match_reloading(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 976 | Manager *m = userdata; |
a658cafa LP |
977 | Machine *machine; |
978 | Iterator i; | |
c3350683 | 979 | int b, r; |
554604b3 | 980 | |
c3350683 | 981 | assert(bus); |
554604b3 | 982 | |
c3350683 LP |
983 | r = sd_bus_message_read(message, "b", &b); |
984 | if (r < 0) { | |
ebcf1f97 LP |
985 | bus_log_parse_error(r); |
986 | return r; | |
554604b3 | 987 | } |
a658cafa LP |
988 | if (b) |
989 | return 0; | |
554604b3 | 990 | |
a658cafa LP |
991 | /* systemd finished reloading, let's recheck all our machines */ |
992 | log_debug("System manager has been reloaded, rechecking machines..."); | |
554604b3 | 993 | |
a658cafa LP |
994 | HASHMAP_FOREACH(machine, m->machines, i) |
995 | machine_add_to_gc_queue(machine); | |
554604b3 LP |
996 | |
997 | return 0; | |
998 | } | |
999 | ||
1ee306e1 LP |
1000 | int manager_start_scope( |
1001 | Manager *manager, | |
1002 | const char *scope, | |
1003 | pid_t pid, | |
1004 | const char *slice, | |
1005 | const char *description, | |
c3350683 LP |
1006 | sd_bus_message *more_properties, |
1007 | sd_bus_error *error, | |
1ee306e1 LP |
1008 | char **job) { |
1009 | ||
c3350683 | 1010 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL; |
554604b3 | 1011 | int r; |
1ee306e1 LP |
1012 | |
1013 | assert(manager); | |
1014 | assert(scope); | |
1015 | assert(pid > 1); | |
1016 | ||
c3350683 LP |
1017 | r = sd_bus_message_new_method_call( |
1018 | manager->bus, | |
151b9b96 | 1019 | &m, |
1ee306e1 LP |
1020 | "org.freedesktop.systemd1", |
1021 | "/org/freedesktop/systemd1", | |
1022 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 1023 | "StartTransientUnit"); |
c3350683 LP |
1024 | if (r < 0) |
1025 | return r; | |
1ee306e1 | 1026 | |
a658cafa | 1027 | r = sd_bus_message_append(m, "ss", strempty(scope), "fail"); |
c3350683 LP |
1028 | if (r < 0) |
1029 | return r; | |
1ee306e1 | 1030 | |
c3350683 LP |
1031 | r = sd_bus_message_open_container(m, 'a', "(sv)"); |
1032 | if (r < 0) | |
1033 | return r; | |
1ee306e1 LP |
1034 | |
1035 | if (!isempty(slice)) { | |
c3350683 LP |
1036 | r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice); |
1037 | if (r < 0) | |
1038 | return r; | |
1ee306e1 LP |
1039 | } |
1040 | ||
1041 | if (!isempty(description)) { | |
c3350683 LP |
1042 | r = sd_bus_message_append(m, "(sv)", "Description", "s", description); |
1043 | if (r < 0) | |
1044 | return r; | |
1ee306e1 LP |
1045 | } |
1046 | ||
c3350683 LP |
1047 | r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid); |
1048 | if (r < 0) | |
1049 | return r; | |
554604b3 | 1050 | |
a931ad47 LP |
1051 | r = sd_bus_message_append(m, "(sv)", "Delegate", "b", 1); |
1052 | if (r < 0) | |
1053 | return r; | |
1054 | ||
554604b3 | 1055 | if (more_properties) { |
c3350683 | 1056 | r = sd_bus_message_copy(m, more_properties, true); |
554604b3 LP |
1057 | if (r < 0) |
1058 | return r; | |
1059 | } | |
1060 | ||
c3350683 LP |
1061 | r = sd_bus_message_close_container(m); |
1062 | if (r < 0) | |
1063 | return r; | |
1ee306e1 | 1064 | |
86b8d289 LP |
1065 | r = sd_bus_message_append(m, "a(sa(sv))", 0); |
1066 | if (r < 0) | |
1067 | return r; | |
1068 | ||
c49b30a2 | 1069 | r = sd_bus_call(manager->bus, m, 0, error, &reply); |
c3350683 LP |
1070 | if (r < 0) |
1071 | return r; | |
1ee306e1 LP |
1072 | |
1073 | if (job) { | |
1074 | const char *j; | |
1075 | char *copy; | |
1076 | ||
c3350683 LP |
1077 | r = sd_bus_message_read(reply, "o", &j); |
1078 | if (r < 0) | |
1079 | return r; | |
1ee306e1 LP |
1080 | |
1081 | copy = strdup(j); | |
1082 | if (!copy) | |
1083 | return -ENOMEM; | |
1084 | ||
1085 | *job = copy; | |
1086 | } | |
1087 | ||
c3350683 | 1088 | return 1; |
1ee306e1 LP |
1089 | } |
1090 | ||
c3350683 LP |
1091 | int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { |
1092 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
1ee306e1 LP |
1093 | int r; |
1094 | ||
1095 | assert(manager); | |
1096 | assert(unit); | |
1097 | ||
c3350683 | 1098 | r = sd_bus_call_method( |
1ee306e1 LP |
1099 | manager->bus, |
1100 | "org.freedesktop.systemd1", | |
1101 | "/org/freedesktop/systemd1", | |
1102 | "org.freedesktop.systemd1.Manager", | |
1103 | "StopUnit", | |
1ee306e1 | 1104 | error, |
c3350683 LP |
1105 | &reply, |
1106 | "ss", unit, "fail"); | |
1ee306e1 | 1107 | if (r < 0) { |
c3350683 LP |
1108 | if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) || |
1109 | sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) { | |
6797c324 LP |
1110 | |
1111 | if (job) | |
1112 | *job = NULL; | |
1113 | ||
c3350683 | 1114 | sd_bus_error_free(error); |
6797c324 LP |
1115 | return 0; |
1116 | } | |
1117 | ||
1ee306e1 LP |
1118 | return r; |
1119 | } | |
1120 | ||
1121 | if (job) { | |
1122 | const char *j; | |
1123 | char *copy; | |
1124 | ||
c3350683 LP |
1125 | r = sd_bus_message_read(reply, "o", &j); |
1126 | if (r < 0) | |
1127 | return r; | |
1ee306e1 LP |
1128 | |
1129 | copy = strdup(j); | |
1130 | if (!copy) | |
1131 | return -ENOMEM; | |
1132 | ||
1133 | *job = copy; | |
1134 | } | |
1135 | ||
6797c324 | 1136 | return 1; |
1ee306e1 LP |
1137 | } |
1138 | ||
de58a50e | 1139 | int manager_kill_unit(Manager *manager, const char *unit, int signo, sd_bus_error *error) { |
1ee306e1 LP |
1140 | assert(manager); |
1141 | assert(unit); | |
1142 | ||
a658cafa | 1143 | return sd_bus_call_method( |
1ee306e1 LP |
1144 | manager->bus, |
1145 | "org.freedesktop.systemd1", | |
1146 | "/org/freedesktop/systemd1", | |
1147 | "org.freedesktop.systemd1.Manager", | |
1148 | "KillUnit", | |
1ee306e1 | 1149 | error, |
a658cafa | 1150 | NULL, |
de58a50e | 1151 | "ssi", unit, "all", signo); |
1ee306e1 LP |
1152 | } |
1153 | ||
1154 | int manager_unit_is_active(Manager *manager, const char *unit) { | |
c3350683 LP |
1155 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
1156 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
1ee306e1 | 1157 | _cleanup_free_ char *path = NULL; |
1ee306e1 | 1158 | const char *state; |
1ee306e1 LP |
1159 | int r; |
1160 | ||
1161 | assert(manager); | |
1162 | assert(unit); | |
1163 | ||
1ee306e1 LP |
1164 | path = unit_dbus_path_from_name(unit); |
1165 | if (!path) | |
1166 | return -ENOMEM; | |
1167 | ||
c3350683 | 1168 | r = sd_bus_get_property( |
1ee306e1 LP |
1169 | manager->bus, |
1170 | "org.freedesktop.systemd1", | |
1171 | path, | |
c3350683 LP |
1172 | "org.freedesktop.systemd1.Unit", |
1173 | "ActiveState", | |
1ee306e1 | 1174 | &error, |
c3350683 LP |
1175 | &reply, |
1176 | "s"); | |
1ee306e1 | 1177 | if (r < 0) { |
c3350683 LP |
1178 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || |
1179 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
6797c324 | 1180 | return true; |
6797c324 | 1181 | |
c3350683 LP |
1182 | if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) || |
1183 | sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED)) | |
6797c324 | 1184 | return false; |
6797c324 | 1185 | |
1ee306e1 LP |
1186 | return r; |
1187 | } | |
1188 | ||
c3350683 LP |
1189 | r = sd_bus_message_read(reply, "s", &state); |
1190 | if (r < 0) | |
1ee306e1 | 1191 | return -EINVAL; |
1ee306e1 LP |
1192 | |
1193 | return !streq(state, "inactive") && !streq(state, "failed"); | |
1194 | } | |
bd16acf3 | 1195 | |
c3350683 LP |
1196 | int manager_job_is_active(Manager *manager, const char *path) { |
1197 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
1198 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
1199 | int r; | |
bd16acf3 | 1200 | |
c3350683 LP |
1201 | assert(manager); |
1202 | assert(path); | |
bd16acf3 | 1203 | |
c3350683 LP |
1204 | r = sd_bus_get_property( |
1205 | manager->bus, | |
1206 | "org.freedesktop.systemd1", | |
1207 | path, | |
1208 | "org.freedesktop.systemd1.Job", | |
1209 | "State", | |
1210 | &error, | |
1211 | &reply, | |
1212 | "s"); | |
1213 | if (r < 0) { | |
1214 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || | |
1215 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
1216 | return true; | |
bd16acf3 | 1217 | |
c3350683 LP |
1218 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT)) |
1219 | return false; | |
bd16acf3 | 1220 | |
bd16acf3 | 1221 | return r; |
c3350683 | 1222 | } |
bd16acf3 | 1223 | |
c3350683 LP |
1224 | /* We don't actually care about the state really. The fact |
1225 | * that we could read the job state is enough for us */ | |
bd16acf3 | 1226 | |
c3350683 | 1227 | return true; |
bd16acf3 | 1228 | } |
ab49725f KS |
1229 | |
1230 | int manager_get_machine_by_pid(Manager *m, pid_t pid, Machine **machine) { | |
1231 | _cleanup_free_ char *unit = NULL; | |
1232 | Machine *mm; | |
1233 | int r; | |
1234 | ||
1235 | assert(m); | |
1236 | assert(pid >= 1); | |
1237 | assert(machine); | |
1238 | ||
1239 | r = cg_pid_get_unit(pid, &unit); | |
1240 | if (r < 0) | |
1241 | mm = hashmap_get(m->machine_leaders, UINT_TO_PTR(pid)); | |
1242 | else | |
1243 | mm = hashmap_get(m->machine_units, unit); | |
1244 | ||
1245 | if (!mm) | |
1246 | return 0; | |
1247 | ||
1248 | *machine = mm; | |
1249 | return 1; | |
1250 | } | |
1251 | ||
1252 | int manager_add_machine(Manager *m, const char *name, Machine **_machine) { | |
1253 | Machine *machine; | |
1254 | ||
1255 | assert(m); | |
1256 | assert(name); | |
1257 | ||
1258 | machine = hashmap_get(m->machines, name); | |
1259 | if (!machine) { | |
1260 | machine = machine_new(m, name); | |
1261 | if (!machine) | |
1262 | return -ENOMEM; | |
1263 | } | |
1264 | ||
1265 | if (_machine) | |
1266 | *_machine = machine; | |
1267 | ||
1268 | return 0; | |
1269 | } |