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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
1ee306e1 LP |
2 | /*** |
3 | This file is part of systemd. | |
4 | ||
5 | Copyright 2011 Lennart Poettering | |
1ee306e1 LP |
6 | ***/ |
7 | ||
8 | #include <errno.h> | |
9 | #include <string.h> | |
10 | #include <unistd.h> | |
1ee306e1 | 11 | |
c3350683 | 12 | #include "sd-id128.h" |
3ffd4af2 | 13 | |
b5efdb8a | 14 | #include "alloc-util.h" |
3ffd4af2 | 15 | #include "btrfs-util.h" |
96aad8d1 | 16 | #include "bus-common-errors.h" |
3ffd4af2 | 17 | #include "bus-util.h" |
23c80348 | 18 | #include "cgroup-util.h" |
3ffd4af2 | 19 | #include "fd-util.h" |
03c2b288 | 20 | #include "fileio.h" |
f97b34a6 | 21 | #include "format-util.h" |
25300b5a | 22 | #include "hostname-util.h" |
3ffd4af2 | 23 | #include "image-dbus.h" |
a90fb858 | 24 | #include "io-util.h" |
3ffd4af2 | 25 | #include "machine-dbus.h" |
003dffde | 26 | #include "machine-image.h" |
4cee5eed | 27 | #include "machine-pool.h" |
c3350683 | 28 | #include "machined.h" |
3ffd4af2 LP |
29 | #include "path-util.h" |
30 | #include "process-util.h" | |
15a5e950 | 31 | #include "stdio-util.h" |
3ffd4af2 LP |
32 | #include "strv.h" |
33 | #include "unit-name.h" | |
b1d4f8e1 | 34 | #include "user-util.h" |
1ee306e1 | 35 | |
74c308ae | 36 | static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_pool_path, "s", "/var/lib/machines"); |
160e3793 LP |
37 | |
38 | static int property_get_pool_usage( | |
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 | _cleanup_close_ int fd = -1; | |
48 | uint64_t usage = (uint64_t) -1; | |
49 | struct stat st; | |
50 | ||
51 | assert(bus); | |
52 | assert(reply); | |
53 | ||
54 | /* We try to read the quota info from /var/lib/machines, as | |
55 | * well as the usage of the loopback file | |
56 | * /var/lib/machines.raw, and pick the larger value. */ | |
57 | ||
58 | fd = open("/var/lib/machines", O_RDONLY|O_CLOEXEC|O_DIRECTORY); | |
59 | if (fd >= 0) { | |
60 | BtrfsQuotaInfo q; | |
61 | ||
5bcd08db | 62 | if (btrfs_subvol_get_subtree_quota_fd(fd, 0, &q) >= 0) |
cb81cd80 | 63 | usage = q.referenced; |
160e3793 LP |
64 | } |
65 | ||
66 | if (stat("/var/lib/machines.raw", &st) >= 0) { | |
67 | if (usage == (uint64_t) -1 || st.st_blocks * 512ULL > usage) | |
68 | usage = st.st_blocks * 512ULL; | |
69 | } | |
70 | ||
71 | return sd_bus_message_append(reply, "t", usage); | |
72 | } | |
73 | ||
74 | static int property_get_pool_limit( | |
75 | sd_bus *bus, | |
76 | const char *path, | |
77 | const char *interface, | |
78 | const char *property, | |
79 | sd_bus_message *reply, | |
80 | void *userdata, | |
81 | sd_bus_error *error) { | |
82 | ||
83 | _cleanup_close_ int fd = -1; | |
84 | uint64_t size = (uint64_t) -1; | |
85 | struct stat st; | |
86 | ||
87 | assert(bus); | |
88 | assert(reply); | |
89 | ||
90 | /* We try to read the quota limit from /var/lib/machines, as | |
91 | * well as the size of the loopback file | |
92 | * /var/lib/machines.raw, and pick the smaller value. */ | |
93 | ||
94 | fd = open("/var/lib/machines", O_RDONLY|O_CLOEXEC|O_DIRECTORY); | |
95 | if (fd >= 0) { | |
96 | BtrfsQuotaInfo q; | |
97 | ||
5bcd08db | 98 | if (btrfs_subvol_get_subtree_quota_fd(fd, 0, &q) >= 0) |
cb81cd80 | 99 | size = q.referenced_max; |
160e3793 LP |
100 | } |
101 | ||
102 | if (stat("/var/lib/machines.raw", &st) >= 0) { | |
103 | if (size == (uint64_t) -1 || (uint64_t) st.st_size < size) | |
104 | size = st.st_size; | |
105 | } | |
106 | ||
107 | return sd_bus_message_append(reply, "t", size); | |
108 | } | |
109 | ||
19070062 | 110 | static int method_get_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
111 | _cleanup_free_ char *p = NULL; |
112 | Manager *m = userdata; | |
113 | Machine *machine; | |
114 | const char *name; | |
115 | int r; | |
116 | ||
c3350683 LP |
117 | assert(message); |
118 | assert(m); | |
119 | ||
120 | r = sd_bus_message_read(message, "s", &name); | |
121 | if (r < 0) | |
ebcf1f97 | 122 | return r; |
c3350683 LP |
123 | |
124 | machine = hashmap_get(m->machines, name); | |
125 | if (!machine) | |
ebcf1f97 | 126 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
c3350683 LP |
127 | |
128 | p = machine_bus_path(machine); | |
129 | if (!p) | |
ebcf1f97 | 130 | return -ENOMEM; |
c3350683 | 131 | |
df2d202e | 132 | return sd_bus_reply_method_return(message, "o", p); |
c3350683 LP |
133 | } |
134 | ||
19070062 | 135 | static int method_get_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c2ce6a3d LP |
136 | _cleanup_free_ char *p = NULL; |
137 | Manager *m = userdata; | |
138 | const char *name; | |
139 | int r; | |
140 | ||
c2ce6a3d LP |
141 | assert(message); |
142 | assert(m); | |
143 | ||
144 | r = sd_bus_message_read(message, "s", &name); | |
145 | if (r < 0) | |
146 | return r; | |
147 | ||
5ef46e5f | 148 | r = image_find(IMAGE_MACHINE, name, NULL); |
3a6ce860 | 149 | if (r == -ENOENT) |
c2ce6a3d LP |
150 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); |
151 | if (r < 0) | |
152 | return r; | |
153 | ||
154 | p = image_bus_path(name); | |
155 | if (!p) | |
156 | return -ENOMEM; | |
157 | ||
158 | return sd_bus_reply_method_return(message, "o", p); | |
159 | } | |
160 | ||
19070062 | 161 | static int method_get_machine_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
162 | _cleanup_free_ char *p = NULL; |
163 | Manager *m = userdata; | |
164 | Machine *machine = NULL; | |
4e724d9c | 165 | pid_t pid; |
c3350683 LP |
166 | int r; |
167 | ||
c3350683 LP |
168 | assert(message); |
169 | assert(m); | |
170 | ||
4e724d9c LP |
171 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
172 | ||
c3350683 LP |
173 | r = sd_bus_message_read(message, "u", &pid); |
174 | if (r < 0) | |
ebcf1f97 | 175 | return r; |
c3350683 | 176 | |
07b38ba5 | 177 | if (pid < 0) |
06820eaf LP |
178 | return -EINVAL; |
179 | ||
4e724d9c | 180 | if (pid == 0) { |
4afd3348 | 181 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
5b12334d LP |
182 | |
183 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
184 | if (r < 0) | |
185 | return r; | |
186 | ||
187 | r = sd_bus_creds_get_pid(creds, &pid); | |
4e724d9c | 188 | if (r < 0) |
ebcf1f97 | 189 | return r; |
4e724d9c LP |
190 | } |
191 | ||
c3350683 LP |
192 | r = manager_get_machine_by_pid(m, pid, &machine); |
193 | if (r < 0) | |
ebcf1f97 | 194 | return r; |
c3350683 | 195 | if (!machine) |
de0671ee | 196 | 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 |
197 | |
198 | p = machine_bus_path(machine); | |
199 | if (!p) | |
ebcf1f97 | 200 | return -ENOMEM; |
c3350683 | 201 | |
df2d202e | 202 | return sd_bus_reply_method_return(message, "o", p); |
c3350683 LP |
203 | } |
204 | ||
19070062 | 205 | static int method_list_machines(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 206 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
c3350683 LP |
207 | Manager *m = userdata; |
208 | Machine *machine; | |
209 | Iterator i; | |
210 | int r; | |
211 | ||
c3350683 LP |
212 | assert(message); |
213 | assert(m); | |
214 | ||
df2d202e | 215 | r = sd_bus_message_new_method_return(message, &reply); |
c3350683 | 216 | if (r < 0) |
ebcf1f97 | 217 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
218 | |
219 | r = sd_bus_message_open_container(reply, 'a', "(ssso)"); | |
220 | if (r < 0) | |
ebcf1f97 | 221 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
222 | |
223 | HASHMAP_FOREACH(machine, m->machines, i) { | |
224 | _cleanup_free_ char *p = NULL; | |
225 | ||
226 | p = machine_bus_path(machine); | |
227 | if (!p) | |
ebcf1f97 | 228 | return -ENOMEM; |
c3350683 LP |
229 | |
230 | r = sd_bus_message_append(reply, "(ssso)", | |
231 | machine->name, | |
232 | strempty(machine_class_to_string(machine->class)), | |
233 | machine->service, | |
234 | p); | |
235 | if (r < 0) | |
ebcf1f97 | 236 | return sd_bus_error_set_errno(error, r); |
c3350683 | 237 | } |
1ee306e1 | 238 | |
c3350683 LP |
239 | r = sd_bus_message_close_container(reply); |
240 | if (r < 0) | |
ebcf1f97 | 241 | return sd_bus_error_set_errno(error, r); |
c3350683 | 242 | |
9030ca46 | 243 | return sd_bus_send(NULL, reply, NULL); |
c3350683 LP |
244 | } |
245 | ||
9b5ed6fe | 246 | static int method_create_or_register_machine(Manager *manager, sd_bus_message *message, bool read_network, Machine **_m, sd_bus_error *error) { |
8aec412f | 247 | const char *name, *service, *class, *root_directory; |
9b5ed6fe | 248 | const int32_t *netif = NULL; |
1ee306e1 LP |
249 | MachineClass c; |
250 | uint32_t leader; | |
251 | sd_id128_t id; | |
c3350683 | 252 | const void *v; |
1ee306e1 | 253 | Machine *m; |
9b5ed6fe | 254 | size_t n, n_netif = 0; |
c3350683 | 255 | int r; |
1ee306e1 | 256 | |
c3350683 | 257 | assert(manager); |
89f7c846 LP |
258 | assert(message); |
259 | assert(_m); | |
1ee306e1 | 260 | |
c3350683 LP |
261 | r = sd_bus_message_read(message, "s", &name); |
262 | if (r < 0) | |
ebcf1f97 | 263 | return r; |
7f0d207d | 264 | if (!machine_name_is_valid(name)) |
ebcf1f97 | 265 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine name"); |
1ee306e1 | 266 | |
c3350683 LP |
267 | r = sd_bus_message_read_array(message, 'y', &v, &n); |
268 | if (r < 0) | |
ebcf1f97 | 269 | return r; |
1ee306e1 LP |
270 | if (n == 0) |
271 | id = SD_ID128_NULL; | |
272 | else if (n == 16) | |
273 | memcpy(&id, v, n); | |
274 | else | |
ebcf1f97 | 275 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine ID parameter"); |
1ee306e1 | 276 | |
c3350683 LP |
277 | r = sd_bus_message_read(message, "ssus", &service, &class, &leader, &root_directory); |
278 | if (r < 0) | |
ebcf1f97 | 279 | return r; |
1ee306e1 | 280 | |
9b5ed6fe LP |
281 | if (read_network) { |
282 | size_t i; | |
283 | ||
284 | r = sd_bus_message_read_array(message, 'i', (const void**) &netif, &n_netif); | |
285 | if (r < 0) | |
286 | return r; | |
287 | ||
288 | n_netif /= sizeof(int32_t); | |
289 | ||
290 | for (i = 0; i < n_netif; i++) { | |
291 | if (netif[i] <= 0) | |
292 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid network interface index %i", netif[i]); | |
293 | } | |
294 | } | |
295 | ||
1ee306e1 LP |
296 | if (isempty(class)) |
297 | c = _MACHINE_CLASS_INVALID; | |
298 | else { | |
299 | c = machine_class_from_string(class); | |
300 | if (c < 0) | |
ebcf1f97 | 301 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine class parameter"); |
1ee306e1 LP |
302 | } |
303 | ||
c3350683 | 304 | if (leader == 1) |
ebcf1f97 | 305 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID"); |
1ee306e1 | 306 | |
c3350683 | 307 | if (!isempty(root_directory) && !path_is_absolute(root_directory)) |
ebcf1f97 | 308 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Root directory must be empty or an absolute path"); |
1ee306e1 | 309 | |
c3350683 | 310 | if (leader == 0) { |
4afd3348 | 311 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
5b12334d LP |
312 | |
313 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
314 | if (r < 0) | |
315 | return r; | |
316 | ||
c3350683 | 317 | assert_cc(sizeof(uint32_t) == sizeof(pid_t)); |
554604b3 | 318 | |
5b12334d | 319 | r = sd_bus_creds_get_pid(creds, (pid_t*) &leader); |
c3350683 | 320 | if (r < 0) |
ebcf1f97 | 321 | return r; |
c3350683 | 322 | } |
554604b3 | 323 | |
1ee306e1 | 324 | if (hashmap_get(manager->machines, name)) |
ebcf1f97 | 325 | return sd_bus_error_setf(error, BUS_ERROR_MACHINE_EXISTS, "Machine '%s' already exists", name); |
1ee306e1 LP |
326 | |
327 | r = manager_add_machine(manager, name, &m); | |
328 | if (r < 0) | |
ebcf1f97 | 329 | return r; |
1ee306e1 LP |
330 | |
331 | m->leader = leader; | |
332 | m->class = c; | |
333 | m->id = id; | |
334 | ||
335 | if (!isempty(service)) { | |
336 | m->service = strdup(service); | |
337 | if (!m->service) { | |
ebcf1f97 | 338 | r = -ENOMEM; |
1ee306e1 LP |
339 | goto fail; |
340 | } | |
341 | } | |
342 | ||
343 | if (!isempty(root_directory)) { | |
344 | m->root_directory = strdup(root_directory); | |
345 | if (!m->root_directory) { | |
ebcf1f97 | 346 | r = -ENOMEM; |
1ee306e1 LP |
347 | goto fail; |
348 | } | |
349 | } | |
350 | ||
9b5ed6fe LP |
351 | if (n_netif > 0) { |
352 | assert_cc(sizeof(int32_t) == sizeof(int)); | |
353 | m->netif = memdup(netif, sizeof(int32_t) * n_netif); | |
354 | if (!m->netif) { | |
355 | r = -ENOMEM; | |
356 | goto fail; | |
357 | } | |
358 | ||
359 | m->n_netif = n_netif; | |
360 | } | |
361 | ||
89f7c846 LP |
362 | *_m = m; |
363 | ||
364 | return 1; | |
365 | ||
366 | fail: | |
367 | machine_add_to_gc_queue(m); | |
368 | return r; | |
369 | } | |
370 | ||
19070062 | 371 | static int method_create_machine_internal(sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) { |
89f7c846 LP |
372 | Manager *manager = userdata; |
373 | Machine *m = NULL; | |
374 | int r; | |
375 | ||
19070062 LP |
376 | assert(message); |
377 | assert(manager); | |
378 | ||
9b5ed6fe | 379 | r = method_create_or_register_machine(manager, message, read_network, &m, error); |
89f7c846 LP |
380 | if (r < 0) |
381 | return r; | |
382 | ||
383 | r = sd_bus_message_enter_container(message, 'a', "(sv)"); | |
384 | if (r < 0) | |
385 | goto fail; | |
386 | ||
ebcf1f97 LP |
387 | r = machine_start(m, message, error); |
388 | if (r < 0) | |
1ee306e1 LP |
389 | goto fail; |
390 | ||
c3350683 | 391 | m->create_message = sd_bus_message_ref(message); |
c3350683 | 392 | return 1; |
1ee306e1 LP |
393 | |
394 | fail: | |
a3e7f417 | 395 | machine_add_to_gc_queue(m); |
89f7c846 LP |
396 | return r; |
397 | } | |
1ee306e1 | 398 | |
19070062 LP |
399 | static int method_create_machine_with_network(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
400 | return method_create_machine_internal(message, true, userdata, error); | |
9b5ed6fe LP |
401 | } |
402 | ||
19070062 LP |
403 | static int method_create_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
404 | return method_create_machine_internal(message, false, userdata, error); | |
9b5ed6fe LP |
405 | } |
406 | ||
19070062 | 407 | static int method_register_machine_internal(sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) { |
89f7c846 LP |
408 | Manager *manager = userdata; |
409 | _cleanup_free_ char *p = NULL; | |
410 | Machine *m = NULL; | |
411 | int r; | |
412 | ||
19070062 LP |
413 | assert(message); |
414 | assert(manager); | |
415 | ||
9b5ed6fe | 416 | r = method_create_or_register_machine(manager, message, read_network, &m, error); |
89f7c846 LP |
417 | if (r < 0) |
418 | return r; | |
419 | ||
420 | r = cg_pid_get_unit(m->leader, &m->unit); | |
421 | if (r < 0) { | |
048c386e ZJS |
422 | r = sd_bus_error_set_errnof(error, r, |
423 | "Failed to determine unit of process "PID_FMT" : %m", | |
424 | m->leader); | |
89f7c846 LP |
425 | goto fail; |
426 | } | |
427 | ||
428 | r = machine_start(m, NULL, error); | |
429 | if (r < 0) | |
430 | goto fail; | |
431 | ||
432 | p = machine_bus_path(m); | |
433 | if (!p) { | |
434 | r = -ENOMEM; | |
435 | goto fail; | |
436 | } | |
437 | ||
438 | return sd_bus_reply_method_return(message, "o", p); | |
439 | ||
440 | fail: | |
441 | machine_add_to_gc_queue(m); | |
1ee306e1 LP |
442 | return r; |
443 | } | |
444 | ||
19070062 LP |
445 | static int method_register_machine_with_network(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
446 | return method_register_machine_internal(message, true, userdata, error); | |
9b5ed6fe LP |
447 | } |
448 | ||
19070062 LP |
449 | static int method_register_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
450 | return method_register_machine_internal(message, false, userdata, error); | |
9b5ed6fe LP |
451 | } |
452 | ||
eecf0181 | 453 | static int redirect_method_to_machine(sd_bus_message *message, Manager *m, sd_bus_error *error, sd_bus_message_handler_t method) { |
c3350683 LP |
454 | Machine *machine; |
455 | const char *name; | |
1ee306e1 LP |
456 | int r; |
457 | ||
1ee306e1 LP |
458 | assert(message); |
459 | assert(m); | |
eecf0181 | 460 | assert(method); |
1ee306e1 | 461 | |
c3350683 LP |
462 | r = sd_bus_message_read(message, "s", &name); |
463 | if (r < 0) | |
ebcf1f97 | 464 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 465 | |
c3350683 LP |
466 | machine = hashmap_get(m->machines, name); |
467 | if (!machine) | |
ebcf1f97 | 468 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
1ee306e1 | 469 | |
eecf0181 | 470 | return method(message, machine, error); |
c3350683 | 471 | } |
1ee306e1 | 472 | |
eecf0181 LP |
473 | static int method_terminate_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
474 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_terminate); | |
475 | } | |
1ee306e1 | 476 | |
eecf0181 LP |
477 | static int method_kill_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
478 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_kill); | |
878cd7e9 LP |
479 | } |
480 | ||
19070062 | 481 | static int method_get_machine_addresses(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 482 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_get_addresses); |
c3350683 | 483 | } |
1ee306e1 | 484 | |
19070062 | 485 | static int method_get_machine_os_release(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 486 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_get_os_release); |
717603e3 LP |
487 | } |
488 | ||
19070062 | 489 | static int method_list_images(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 490 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cd61c3bf LP |
491 | _cleanup_(image_hashmap_freep) Hashmap *images = NULL; |
492 | Manager *m = userdata; | |
493 | Image *image; | |
494 | Iterator i; | |
495 | int r; | |
496 | ||
cd61c3bf LP |
497 | assert(message); |
498 | assert(m); | |
499 | ||
500 | images = hashmap_new(&string_hash_ops); | |
501 | if (!images) | |
502 | return -ENOMEM; | |
503 | ||
5ef46e5f | 504 | r = image_discover(IMAGE_MACHINE, images); |
cd61c3bf LP |
505 | if (r < 0) |
506 | return r; | |
507 | ||
508 | r = sd_bus_message_new_method_return(message, &reply); | |
509 | if (r < 0) | |
510 | return r; | |
511 | ||
b6b18498 | 512 | r = sd_bus_message_open_container(reply, 'a', "(ssbttto)"); |
cd61c3bf LP |
513 | if (r < 0) |
514 | return r; | |
515 | ||
516 | HASHMAP_FOREACH(image, images, i) { | |
517 | _cleanup_free_ char *p = NULL; | |
518 | ||
519 | p = image_bus_path(image->name); | |
520 | if (!p) | |
521 | return -ENOMEM; | |
522 | ||
b6b18498 | 523 | r = sd_bus_message_append(reply, "(ssbttto)", |
cd61c3bf LP |
524 | image->name, |
525 | image_type_to_string(image->type), | |
526 | image->read_only, | |
10f9c755 LP |
527 | image->crtime, |
528 | image->mtime, | |
c19de711 | 529 | image->usage, |
cd61c3bf LP |
530 | p); |
531 | if (r < 0) | |
532 | return r; | |
533 | } | |
534 | ||
535 | r = sd_bus_message_close_container(reply); | |
536 | if (r < 0) | |
537 | return r; | |
538 | ||
9030ca46 | 539 | return sd_bus_send(NULL, reply, NULL); |
cd61c3bf LP |
540 | } |
541 | ||
19070062 | 542 | static int method_open_machine_pty(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 543 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_open_pty); |
40205d70 LP |
544 | } |
545 | ||
19070062 | 546 | static int method_open_machine_login(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 547 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_open_login); |
5f8cc96a LP |
548 | } |
549 | ||
49af9e13 | 550 | static int method_open_machine_shell(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 551 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_open_shell); |
49af9e13 LP |
552 | } |
553 | ||
19070062 | 554 | static int method_bind_mount_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 555 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_bind_mount); |
90adaa25 LP |
556 | } |
557 | ||
19070062 | 558 | static int method_copy_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 559 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_copy); |
0370612e LP |
560 | } |
561 | ||
ae203207 | 562 | static int method_open_machine_root_directory(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 563 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_open_root_directory); |
ae203207 LP |
564 | } |
565 | ||
3401419b | 566 | static int method_get_machine_uid_shift(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 567 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_get_uid_shift); |
3401419b LP |
568 | } |
569 | ||
9b06c1e1 | 570 | static int redirect_method_to_image(sd_bus_message *message, Manager *m, sd_bus_error *error, sd_bus_message_handler_t method) { |
08682124 LP |
571 | _cleanup_(image_unrefp) Image* i = NULL; |
572 | const char *name; | |
573 | int r; | |
574 | ||
08682124 | 575 | assert(message); |
9b06c1e1 LP |
576 | assert(m); |
577 | assert(method); | |
08682124 LP |
578 | |
579 | r = sd_bus_message_read(message, "s", &name); | |
580 | if (r < 0) | |
581 | return r; | |
582 | ||
583 | if (!image_name_is_valid(name)) | |
584 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
585 | ||
5ef46e5f | 586 | r = image_find(IMAGE_MACHINE, name, &i); |
3a6ce860 LP |
587 | if (r == -ENOENT) |
588 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
08682124 LP |
589 | if (r < 0) |
590 | return r; | |
08682124 | 591 | |
9b06c1e1 LP |
592 | i->userdata = m; |
593 | return method(message, i, error); | |
08682124 LP |
594 | } |
595 | ||
9b06c1e1 LP |
596 | static int method_remove_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
597 | return redirect_method_to_image(message, userdata, error, bus_image_method_remove); | |
598 | } | |
ebd93cb6 | 599 | |
9b06c1e1 LP |
600 | static int method_rename_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
601 | return redirect_method_to_image(message, userdata, error, bus_image_method_rename); | |
ebd93cb6 LP |
602 | } |
603 | ||
19070062 | 604 | static int method_clone_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
9b06c1e1 | 605 | return redirect_method_to_image(message, userdata, error, bus_image_method_clone); |
ebd93cb6 LP |
606 | } |
607 | ||
19070062 | 608 | static int method_mark_image_read_only(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
9b06c1e1 | 609 | return redirect_method_to_image(message, userdata, error, bus_image_method_mark_read_only); |
ebd93cb6 LP |
610 | } |
611 | ||
cf30a8c1 | 612 | static int method_get_image_hostname(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
9b06c1e1 | 613 | return redirect_method_to_image(message, userdata, error, bus_image_method_get_hostname); |
cf30a8c1 LP |
614 | } |
615 | ||
616 | static int method_get_image_machine_id(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
9b06c1e1 | 617 | return redirect_method_to_image(message, userdata, error, bus_image_method_get_machine_id); |
cf30a8c1 LP |
618 | } |
619 | ||
620 | static int method_get_image_machine_info(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
9b06c1e1 | 621 | return redirect_method_to_image(message, userdata, error, bus_image_method_get_machine_info); |
cf30a8c1 LP |
622 | } |
623 | ||
9153b02b | 624 | static int method_get_image_os_release(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
9b06c1e1 | 625 | return redirect_method_to_image(message, userdata, error, bus_image_method_get_os_release); |
9153b02b LP |
626 | } |
627 | ||
03c2b288 LP |
628 | static int clean_pool_done(Operation *operation, int ret, sd_bus_error *error) { |
629 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
630 | _cleanup_fclose_ FILE *f = NULL; | |
631 | bool success; | |
632 | size_t n; | |
633 | int r; | |
634 | ||
635 | assert(operation); | |
636 | assert(operation->extra_fd >= 0); | |
637 | ||
638 | if (lseek(operation->extra_fd, 0, SEEK_SET) == (off_t) -1) | |
639 | return -errno; | |
640 | ||
641 | f = fdopen(operation->extra_fd, "re"); | |
642 | if (!f) | |
643 | return -errno; | |
644 | ||
645 | operation->extra_fd = -1; | |
646 | ||
647 | /* The resulting temporary file starts with a boolean value that indicates success or not. */ | |
648 | errno = 0; | |
649 | n = fread(&success, 1, sizeof(success), f); | |
650 | if (n != sizeof(success)) | |
651 | return ret < 0 ? ret : (errno != 0 ? -errno : -EIO); | |
652 | ||
653 | if (ret < 0) { | |
654 | _cleanup_free_ char *name = NULL; | |
655 | ||
656 | /* The clean-up operation failed. In this case the resulting temporary file should contain a boolean | |
657 | * set to false followed by the name of the failed image. Let's try to read this and use it for the | |
658 | * error message. If we can't read it, don't mind, and return the naked error. */ | |
659 | ||
660 | if (success) /* The resulting temporary file could not be updated, ignore it. */ | |
661 | return ret; | |
662 | ||
663 | r = read_nul_string(f, &name); | |
664 | if (r < 0 || isempty(name)) /* Same here... */ | |
665 | return ret; | |
666 | ||
667 | return sd_bus_error_set_errnof(error, ret, "Failed to remove image %s: %m", name); | |
668 | } | |
669 | ||
670 | assert(success); | |
671 | ||
672 | r = sd_bus_message_new_method_return(operation->message, &reply); | |
673 | if (r < 0) | |
674 | return r; | |
675 | ||
676 | r = sd_bus_message_open_container(reply, 'a', "(st)"); | |
677 | if (r < 0) | |
678 | return r; | |
679 | ||
680 | /* On success the resulting temporary file will contain a list of image names that were removed followed by | |
681 | * their size on disk. Let's read that and turn it into a bus message. */ | |
682 | for (;;) { | |
683 | _cleanup_free_ char *name = NULL; | |
684 | uint64_t size; | |
685 | ||
686 | r = read_nul_string(f, &name); | |
687 | if (r < 0) | |
688 | return r; | |
689 | if (isempty(name)) /* reached the end */ | |
690 | break; | |
691 | ||
692 | errno = 0; | |
693 | n = fread(&size, 1, sizeof(size), f); | |
694 | if (n != sizeof(size)) | |
695 | return errno != 0 ? -errno : -EIO; | |
696 | ||
697 | r = sd_bus_message_append(reply, "(st)", name, size); | |
698 | if (r < 0) | |
699 | return r; | |
700 | } | |
701 | ||
702 | r = sd_bus_message_close_container(reply); | |
703 | if (r < 0) | |
704 | return r; | |
705 | ||
706 | return sd_bus_send(NULL, reply, NULL); | |
707 | } | |
708 | ||
d94c2b06 LP |
709 | static int method_clean_pool(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
710 | enum { | |
711 | REMOVE_ALL, | |
712 | REMOVE_HIDDEN, | |
713 | } mode; | |
714 | ||
03c2b288 LP |
715 | _cleanup_close_pair_ int errno_pipe_fd[2] = { -1, -1 }; |
716 | _cleanup_close_ int result_fd = -1; | |
d94c2b06 | 717 | Manager *m = userdata; |
03c2b288 | 718 | Operation *operation; |
d94c2b06 | 719 | const char *mm; |
03c2b288 | 720 | pid_t child; |
d94c2b06 LP |
721 | int r; |
722 | ||
723 | assert(message); | |
724 | ||
03c2b288 LP |
725 | if (m->n_operations >= OPERATIONS_MAX) |
726 | return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Too many ongoing operations."); | |
727 | ||
d94c2b06 LP |
728 | r = sd_bus_message_read(message, "s", &mm); |
729 | if (r < 0) | |
730 | return r; | |
731 | ||
732 | if (streq(mm, "all")) | |
733 | mode = REMOVE_ALL; | |
734 | else if (streq(mm, "hidden")) | |
735 | mode = REMOVE_HIDDEN; | |
736 | else | |
737 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown mode '%s'.", mm); | |
738 | ||
739 | r = bus_verify_polkit_async( | |
740 | message, | |
741 | CAP_SYS_ADMIN, | |
742 | "org.freedesktop.machine1.manage-machines", | |
743 | NULL, | |
744 | false, | |
745 | UID_INVALID, | |
746 | &m->polkit_registry, | |
747 | error); | |
748 | if (r < 0) | |
749 | return r; | |
750 | if (r == 0) | |
751 | return 1; /* Will call us back */ | |
752 | ||
03c2b288 LP |
753 | if (pipe2(errno_pipe_fd, O_CLOEXEC|O_NONBLOCK) < 0) |
754 | return sd_bus_error_set_errnof(error, errno, "Failed to create pipe: %m"); | |
d94c2b06 | 755 | |
03c2b288 LP |
756 | /* Create a temporary file we can dump information about deleted images into. We use a temporary file for this |
757 | * instead of a pipe or so, since this might grow quit large in theory and we don't want to process this | |
595bfe7d | 758 | * continuously */ |
992e8f22 | 759 | result_fd = open_tmpfile_unlinkable(NULL, O_RDWR|O_CLOEXEC); |
03c2b288 LP |
760 | if (result_fd < 0) |
761 | return -errno; | |
d94c2b06 | 762 | |
03c2b288 | 763 | /* This might be a slow operation, run it asynchronously in a background process */ |
4c253ed1 LP |
764 | r = safe_fork("(sd-clean)", FORK_RESET_SIGNALS, &child); |
765 | if (r < 0) | |
766 | return sd_bus_error_set_errnof(error, r, "Failed to fork(): %m"); | |
767 | if (r == 0) { | |
03c2b288 LP |
768 | _cleanup_(image_hashmap_freep) Hashmap *images = NULL; |
769 | bool success = true; | |
770 | Image *image; | |
771 | Iterator i; | |
772 | ssize_t l; | |
d94c2b06 | 773 | |
03c2b288 | 774 | errno_pipe_fd[0] = safe_close(errno_pipe_fd[0]); |
d94c2b06 | 775 | |
03c2b288 LP |
776 | images = hashmap_new(&string_hash_ops); |
777 | if (!images) { | |
778 | r = -ENOMEM; | |
779 | goto child_fail; | |
780 | } | |
d94c2b06 | 781 | |
5ef46e5f | 782 | r = image_discover(IMAGE_MACHINE, images); |
03c2b288 LP |
783 | if (r < 0) |
784 | goto child_fail; | |
d94c2b06 | 785 | |
03c2b288 LP |
786 | l = write(result_fd, &success, sizeof(success)); |
787 | if (l < 0) { | |
788 | r = -errno; | |
789 | goto child_fail; | |
790 | } | |
d94c2b06 | 791 | |
03c2b288 LP |
792 | HASHMAP_FOREACH(image, images, i) { |
793 | ||
794 | /* We can't remove vendor images (i.e. those in /usr) */ | |
795 | if (IMAGE_IS_VENDOR(image)) | |
796 | continue; | |
797 | ||
798 | if (IMAGE_IS_HOST(image)) | |
799 | continue; | |
800 | ||
801 | if (mode == REMOVE_HIDDEN && !IMAGE_IS_HIDDEN(image)) | |
802 | continue; | |
803 | ||
804 | r = image_remove(image); | |
805 | if (r == -EBUSY) /* keep images that are currently being used. */ | |
806 | continue; | |
807 | if (r < 0) { | |
808 | /* If the operation failed, let's override everything we wrote, and instead write there at which image we failed. */ | |
809 | success = false; | |
810 | (void) ftruncate(result_fd, 0); | |
811 | (void) lseek(result_fd, 0, SEEK_SET); | |
812 | (void) write(result_fd, &success, sizeof(success)); | |
813 | (void) write(result_fd, image->name, strlen(image->name)+1); | |
814 | goto child_fail; | |
815 | } | |
816 | ||
817 | l = write(result_fd, image->name, strlen(image->name)+1); | |
818 | if (l < 0) { | |
819 | r = -errno; | |
820 | goto child_fail; | |
821 | } | |
822 | ||
823 | l = write(result_fd, &image->usage_exclusive, sizeof(image->usage_exclusive)); | |
824 | if (l < 0) { | |
825 | r = -errno; | |
826 | goto child_fail; | |
827 | } | |
828 | } | |
d94c2b06 | 829 | |
03c2b288 LP |
830 | result_fd = safe_close(result_fd); |
831 | _exit(EXIT_SUCCESS); | |
832 | ||
833 | child_fail: | |
834 | (void) write(errno_pipe_fd[1], &r, sizeof(r)); | |
835 | _exit(EXIT_FAILURE); | |
d94c2b06 LP |
836 | } |
837 | ||
03c2b288 LP |
838 | errno_pipe_fd[1] = safe_close(errno_pipe_fd[1]); |
839 | ||
840 | /* The clean-up might take a while, hence install a watch on the child and return */ | |
841 | ||
842 | r = operation_new(m, NULL, child, message, errno_pipe_fd[0], &operation); | |
843 | if (r < 0) { | |
844 | (void) sigkill_wait(child); | |
d94c2b06 | 845 | return r; |
03c2b288 | 846 | } |
d94c2b06 | 847 | |
03c2b288 LP |
848 | operation->extra_fd = result_fd; |
849 | operation->done = clean_pool_done; | |
850 | ||
851 | result_fd = -1; | |
852 | errno_pipe_fd[0] = -1; | |
853 | ||
854 | return 1; | |
d94c2b06 LP |
855 | } |
856 | ||
19070062 | 857 | static int method_set_pool_limit(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
d6ce17c7 LP |
858 | Manager *m = userdata; |
859 | uint64_t limit; | |
860 | int r; | |
861 | ||
19070062 LP |
862 | assert(message); |
863 | ||
d6ce17c7 LP |
864 | r = sd_bus_message_read(message, "t", &limit); |
865 | if (r < 0) | |
866 | return r; | |
a90fb858 LP |
867 | if (!FILE_SIZE_VALID_OR_INFINITY(limit)) |
868 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "New limit out of range"); | |
d6ce17c7 LP |
869 | |
870 | r = bus_verify_polkit_async( | |
871 | message, | |
872 | CAP_SYS_ADMIN, | |
873 | "org.freedesktop.machine1.manage-machines", | |
403ed0e5 | 874 | NULL, |
d6ce17c7 LP |
875 | false, |
876 | UID_INVALID, | |
877 | &m->polkit_registry, | |
878 | error); | |
879 | if (r < 0) | |
880 | return r; | |
881 | if (r == 0) | |
882 | return 1; /* Will call us back */ | |
883 | ||
4cee5eed LP |
884 | /* Set up the machine directory if necessary */ |
885 | r = setup_machine_directory(limit, error); | |
886 | if (r < 0) | |
887 | return r; | |
888 | ||
05e8f270 LP |
889 | /* Resize the backing loopback device, if there is one, except if we asked to drop any limit */ |
890 | if (limit != (uint64_t) -1) { | |
891 | r = btrfs_resize_loopback("/var/lib/machines", limit, false); | |
892 | if (r == -ENOTTY) | |
893 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Quota is only supported on btrfs."); | |
894 | if (r < 0 && r != -ENODEV) /* ignore ENODEV, as that's what is returned if the file system is not on loopback */ | |
895 | return sd_bus_error_set_errnof(error, r, "Failed to adjust loopback limit: %m"); | |
896 | } | |
efe02862 | 897 | |
5bcd08db LP |
898 | (void) btrfs_qgroup_set_limit("/var/lib/machines", 0, limit); |
899 | ||
900 | r = btrfs_subvol_set_subtree_quota_limit("/var/lib/machines", 0, limit); | |
d6ce17c7 LP |
901 | if (r == -ENOTTY) |
902 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Quota is only supported on btrfs."); | |
26166c88 | 903 | if (r < 0) |
d6ce17c7 LP |
904 | return sd_bus_error_set_errnof(error, r, "Failed to adjust quota limit: %m"); |
905 | ||
906 | return sd_bus_reply_method_return(message, NULL); | |
907 | } | |
908 | ||
19070062 | 909 | static int method_set_image_limit(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
9b06c1e1 | 910 | return redirect_method_to_image(message, userdata, error, bus_image_method_set_limit); |
d6ce17c7 LP |
911 | } |
912 | ||
c01ff965 LP |
913 | static int method_map_from_machine_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
914 | _cleanup_fclose_ FILE *f = NULL; | |
915 | Manager *m = userdata; | |
916 | const char *name, *p; | |
917 | Machine *machine; | |
918 | uint32_t uid; | |
919 | int r; | |
920 | ||
921 | r = sd_bus_message_read(message, "su", &name, &uid); | |
922 | if (r < 0) | |
923 | return r; | |
924 | ||
c077529b | 925 | if (!uid_is_valid(uid)) |
c01ff965 LP |
926 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
927 | ||
928 | machine = hashmap_get(m->machines, name); | |
929 | if (!machine) | |
930 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
931 | ||
a79366e2 LP |
932 | if (machine->class != MACHINE_CONTAINER) |
933 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Not supported for non-container machines."); | |
934 | ||
c01ff965 LP |
935 | p = procfs_file_alloca(machine->leader, "uid_map"); |
936 | f = fopen(p, "re"); | |
937 | if (!f) | |
938 | return -errno; | |
939 | ||
940 | for (;;) { | |
941 | uid_t uid_base, uid_shift, uid_range, converted; | |
942 | int k; | |
943 | ||
944 | errno = 0; | |
945 | k = fscanf(f, UID_FMT " " UID_FMT " " UID_FMT, &uid_base, &uid_shift, &uid_range); | |
946 | if (k < 0 && feof(f)) | |
947 | break; | |
948 | if (k != 3) { | |
b3267152 | 949 | if (ferror(f) && errno > 0) |
c01ff965 LP |
950 | return -errno; |
951 | ||
952 | return -EIO; | |
953 | } | |
954 | ||
955 | if (uid < uid_base || uid >= uid_base + uid_range) | |
956 | continue; | |
957 | ||
958 | converted = uid - uid_base + uid_shift; | |
c077529b | 959 | if (!uid_is_valid(converted)) |
c01ff965 LP |
960 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
961 | ||
962 | return sd_bus_reply_method_return(message, "u", (uint32_t) converted); | |
963 | } | |
964 | ||
965 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "Machine '%s' has no matching user mappings.", name); | |
966 | } | |
967 | ||
968 | static int method_map_to_machine_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
969 | Manager *m = userdata; | |
970 | Machine *machine; | |
971 | uid_t uid; | |
972 | Iterator i; | |
973 | int r; | |
974 | ||
975 | r = sd_bus_message_read(message, "u", &uid); | |
976 | if (r < 0) | |
977 | return r; | |
c077529b | 978 | if (!uid_is_valid(uid)) |
c01ff965 LP |
979 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
980 | if (uid < 0x10000) | |
981 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "User " UID_FMT " belongs to host UID range", uid); | |
982 | ||
983 | HASHMAP_FOREACH(machine, m->machines, i) { | |
984 | _cleanup_fclose_ FILE *f = NULL; | |
fbd0b64f | 985 | char p[STRLEN("/proc//uid_map") + DECIMAL_STR_MAX(pid_t) + 1]; |
c01ff965 | 986 | |
a79366e2 LP |
987 | if (machine->class != MACHINE_CONTAINER) |
988 | continue; | |
989 | ||
c01ff965 LP |
990 | xsprintf(p, "/proc/" UID_FMT "/uid_map", machine->leader); |
991 | f = fopen(p, "re"); | |
992 | if (!f) { | |
fe4a1d0f | 993 | log_warning_errno(errno, "Failed to open %s, ignoring,", p); |
c01ff965 LP |
994 | continue; |
995 | } | |
996 | ||
997 | for (;;) { | |
998 | _cleanup_free_ char *o = NULL; | |
999 | uid_t uid_base, uid_shift, uid_range, converted; | |
1000 | int k; | |
1001 | ||
1002 | errno = 0; | |
1003 | k = fscanf(f, UID_FMT " " UID_FMT " " UID_FMT, &uid_base, &uid_shift, &uid_range); | |
1004 | if (k < 0 && feof(f)) | |
1005 | break; | |
1006 | if (k != 3) { | |
b3267152 | 1007 | if (ferror(f) && errno > 0) |
c01ff965 LP |
1008 | return -errno; |
1009 | ||
1010 | return -EIO; | |
1011 | } | |
1012 | ||
1013 | if (uid < uid_shift || uid >= uid_shift + uid_range) | |
1014 | continue; | |
1015 | ||
1016 | converted = (uid - uid_shift + uid_base); | |
c077529b | 1017 | if (!uid_is_valid(converted)) |
c01ff965 LP |
1018 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
1019 | ||
1020 | o = machine_bus_path(machine); | |
1021 | if (!o) | |
1022 | return -ENOMEM; | |
1023 | ||
1024 | return sd_bus_reply_method_return(message, "sou", machine->name, o, (uint32_t) converted); | |
1025 | } | |
1026 | } | |
1027 | ||
1028 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "No matching user mapping for " UID_FMT ".", uid); | |
1029 | } | |
1030 | ||
1031 | static int method_map_from_machine_group(sd_bus_message *message, void *groupdata, sd_bus_error *error) { | |
1032 | _cleanup_fclose_ FILE *f = NULL; | |
1033 | Manager *m = groupdata; | |
1034 | const char *name, *p; | |
1035 | Machine *machine; | |
1036 | uint32_t gid; | |
1037 | int r; | |
1038 | ||
1039 | r = sd_bus_message_read(message, "su", &name, &gid); | |
1040 | if (r < 0) | |
1041 | return r; | |
1042 | ||
c077529b | 1043 | if (!gid_is_valid(gid)) |
c01ff965 LP |
1044 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1045 | ||
1046 | machine = hashmap_get(m->machines, name); | |
1047 | if (!machine) | |
1048 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
1049 | ||
a79366e2 LP |
1050 | if (machine->class != MACHINE_CONTAINER) |
1051 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Not supported for non-container machines."); | |
1052 | ||
c01ff965 LP |
1053 | p = procfs_file_alloca(machine->leader, "gid_map"); |
1054 | f = fopen(p, "re"); | |
1055 | if (!f) | |
1056 | return -errno; | |
1057 | ||
1058 | for (;;) { | |
1059 | gid_t gid_base, gid_shift, gid_range, converted; | |
1060 | int k; | |
1061 | ||
1062 | errno = 0; | |
1063 | k = fscanf(f, GID_FMT " " GID_FMT " " GID_FMT, &gid_base, &gid_shift, &gid_range); | |
1064 | if (k < 0 && feof(f)) | |
1065 | break; | |
1066 | if (k != 3) { | |
b3267152 | 1067 | if (ferror(f) && errno > 0) |
c01ff965 LP |
1068 | return -errno; |
1069 | ||
1070 | return -EIO; | |
1071 | } | |
1072 | ||
1073 | if (gid < gid_base || gid >= gid_base + gid_range) | |
1074 | continue; | |
1075 | ||
1076 | converted = gid - gid_base + gid_shift; | |
c077529b | 1077 | if (!gid_is_valid(converted)) |
c01ff965 LP |
1078 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1079 | ||
1080 | return sd_bus_reply_method_return(message, "u", (uint32_t) converted); | |
1081 | } | |
1082 | ||
1083 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "Machine '%s' has no matching group mappings.", name); | |
1084 | } | |
1085 | ||
1086 | static int method_map_to_machine_group(sd_bus_message *message, void *groupdata, sd_bus_error *error) { | |
1087 | Manager *m = groupdata; | |
1088 | Machine *machine; | |
1089 | gid_t gid; | |
1090 | Iterator i; | |
1091 | int r; | |
1092 | ||
1093 | r = sd_bus_message_read(message, "u", &gid); | |
1094 | if (r < 0) | |
1095 | return r; | |
c077529b | 1096 | if (!gid_is_valid(gid)) |
c01ff965 LP |
1097 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1098 | if (gid < 0x10000) | |
1099 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "Group " GID_FMT " belongs to host GID range", gid); | |
1100 | ||
1101 | HASHMAP_FOREACH(machine, m->machines, i) { | |
1102 | _cleanup_fclose_ FILE *f = NULL; | |
fbd0b64f | 1103 | char p[STRLEN("/proc//gid_map") + DECIMAL_STR_MAX(pid_t) + 1]; |
c01ff965 | 1104 | |
a79366e2 LP |
1105 | if (machine->class != MACHINE_CONTAINER) |
1106 | continue; | |
1107 | ||
c01ff965 LP |
1108 | xsprintf(p, "/proc/" GID_FMT "/gid_map", machine->leader); |
1109 | f = fopen(p, "re"); | |
1110 | if (!f) { | |
fe4a1d0f | 1111 | log_warning_errno(errno, "Failed to open %s, ignoring,", p); |
c01ff965 LP |
1112 | continue; |
1113 | } | |
1114 | ||
1115 | for (;;) { | |
1116 | _cleanup_free_ char *o = NULL; | |
1117 | gid_t gid_base, gid_shift, gid_range, converted; | |
1118 | int k; | |
1119 | ||
1120 | errno = 0; | |
1121 | k = fscanf(f, GID_FMT " " GID_FMT " " GID_FMT, &gid_base, &gid_shift, &gid_range); | |
1122 | if (k < 0 && feof(f)) | |
1123 | break; | |
1124 | if (k != 3) { | |
b3267152 | 1125 | if (ferror(f) && errno > 0) |
c01ff965 LP |
1126 | return -errno; |
1127 | ||
1128 | return -EIO; | |
1129 | } | |
1130 | ||
1131 | if (gid < gid_shift || gid >= gid_shift + gid_range) | |
1132 | continue; | |
1133 | ||
1134 | converted = (gid - gid_shift + gid_base); | |
c077529b | 1135 | if (!gid_is_valid(converted)) |
c01ff965 LP |
1136 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1137 | ||
1138 | o = machine_bus_path(machine); | |
1139 | if (!o) | |
1140 | return -ENOMEM; | |
1141 | ||
1142 | return sd_bus_reply_method_return(message, "sou", machine->name, o, (uint32_t) converted); | |
1143 | } | |
1144 | } | |
1145 | ||
1146 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "No matching group mapping for " GID_FMT ".", gid); | |
1147 | } | |
1148 | ||
c3350683 LP |
1149 | const sd_bus_vtable manager_vtable[] = { |
1150 | SD_BUS_VTABLE_START(0), | |
160e3793 LP |
1151 | SD_BUS_PROPERTY("PoolPath", "s", property_get_pool_path, 0, 0), |
1152 | SD_BUS_PROPERTY("PoolUsage", "t", property_get_pool_usage, 0, 0), | |
1153 | SD_BUS_PROPERTY("PoolLimit", "t", property_get_pool_limit, 0, 0), | |
adacb957 | 1154 | SD_BUS_METHOD("GetMachine", "s", "o", method_get_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
c2ce6a3d | 1155 | SD_BUS_METHOD("GetImage", "s", "o", method_get_image, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
1156 | SD_BUS_METHOD("GetMachineByPID", "u", "o", method_get_machine_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), |
1157 | SD_BUS_METHOD("ListMachines", NULL, "a(ssso)", method_list_machines, SD_BUS_VTABLE_UNPRIVILEGED), | |
b6b18498 | 1158 | SD_BUS_METHOD("ListImages", NULL, "a(ssbttto)", method_list_images, SD_BUS_VTABLE_UNPRIVILEGED), |
c3350683 | 1159 | SD_BUS_METHOD("CreateMachine", "sayssusa(sv)", "o", method_create_machine, 0), |
9b5ed6fe | 1160 | SD_BUS_METHOD("CreateMachineWithNetwork", "sayssusaia(sv)", "o", method_create_machine_with_network, 0), |
8d07a7c4 | 1161 | SD_BUS_METHOD("RegisterMachine", "sayssus", "o", method_register_machine, 0), |
9b5ed6fe | 1162 | SD_BUS_METHOD("RegisterMachineWithNetwork", "sayssusai", "o", method_register_machine_with_network, 0), |
70244d1d LP |
1163 | SD_BUS_METHOD("TerminateMachine", "s", NULL, method_terminate_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
1164 | SD_BUS_METHOD("KillMachine", "ssi", NULL, method_kill_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
3a6fb33c | 1165 | SD_BUS_METHOD("GetMachineAddresses", "s", "a(iay)", method_get_machine_addresses, SD_BUS_VTABLE_UNPRIVILEGED), |
717603e3 | 1166 | SD_BUS_METHOD("GetMachineOSRelease", "s", "a{ss}", method_get_machine_os_release, SD_BUS_VTABLE_UNPRIVILEGED), |
40205d70 | 1167 | SD_BUS_METHOD("OpenMachinePTY", "s", "hs", method_open_machine_pty, 0), |
d04c1fb8 | 1168 | SD_BUS_METHOD("OpenMachineLogin", "s", "hs", method_open_machine_login, SD_BUS_VTABLE_UNPRIVILEGED), |
49af9e13 | 1169 | SD_BUS_METHOD("OpenMachineShell", "sssasas", "hs", method_open_machine_shell, SD_BUS_VTABLE_UNPRIVILEGED), |
70244d1d LP |
1170 | SD_BUS_METHOD("BindMountMachine", "sssbb", NULL, method_bind_mount_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
1171 | SD_BUS_METHOD("CopyFromMachine", "sss", NULL, method_copy_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
1172 | SD_BUS_METHOD("CopyToMachine", "sss", NULL, method_copy_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
ae203207 | 1173 | SD_BUS_METHOD("OpenMachineRootDirectory", "s", "h", method_open_machine_root_directory, SD_BUS_VTABLE_UNPRIVILEGED), |
3401419b | 1174 | SD_BUS_METHOD("GetMachineUIDShift", "s", "u", method_get_machine_uid_shift, SD_BUS_VTABLE_UNPRIVILEGED), |
70244d1d LP |
1175 | SD_BUS_METHOD("RemoveImage", "s", NULL, method_remove_image, SD_BUS_VTABLE_UNPRIVILEGED), |
1176 | SD_BUS_METHOD("RenameImage", "ss", NULL, method_rename_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
1177 | SD_BUS_METHOD("CloneImage", "ssb", NULL, method_clone_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
1178 | SD_BUS_METHOD("MarkImageReadOnly", "sb", NULL, method_mark_image_read_only, SD_BUS_VTABLE_UNPRIVILEGED), | |
cf30a8c1 LP |
1179 | SD_BUS_METHOD("GetImageHostname", "s", "s", method_get_image_hostname, SD_BUS_VTABLE_UNPRIVILEGED), |
1180 | SD_BUS_METHOD("GetImageMachineID", "s", "ay", method_get_image_machine_id, SD_BUS_VTABLE_UNPRIVILEGED), | |
1181 | SD_BUS_METHOD("GetImageMachineInfo", "s", "a{ss}", method_get_image_machine_info, SD_BUS_VTABLE_UNPRIVILEGED), | |
9153b02b | 1182 | SD_BUS_METHOD("GetImageOSRelease", "s", "a{ss}", method_get_image_os_release, SD_BUS_VTABLE_UNPRIVILEGED), |
d6ce17c7 LP |
1183 | SD_BUS_METHOD("SetPoolLimit", "t", NULL, method_set_pool_limit, SD_BUS_VTABLE_UNPRIVILEGED), |
1184 | SD_BUS_METHOD("SetImageLimit", "st", NULL, method_set_image_limit, SD_BUS_VTABLE_UNPRIVILEGED), | |
d94c2b06 | 1185 | SD_BUS_METHOD("CleanPool", "s", "a(st)", method_clean_pool, SD_BUS_VTABLE_UNPRIVILEGED), |
c01ff965 LP |
1186 | SD_BUS_METHOD("MapFromMachineUser", "su", "u", method_map_from_machine_user, SD_BUS_VTABLE_UNPRIVILEGED), |
1187 | SD_BUS_METHOD("MapToMachineUser", "u", "sou", method_map_to_machine_user, SD_BUS_VTABLE_UNPRIVILEGED), | |
1188 | SD_BUS_METHOD("MapFromMachineGroup", "su", "u", method_map_from_machine_group, SD_BUS_VTABLE_UNPRIVILEGED), | |
1189 | SD_BUS_METHOD("MapToMachineGroup", "u", "sou", method_map_to_machine_group, SD_BUS_VTABLE_UNPRIVILEGED), | |
c3350683 LP |
1190 | SD_BUS_SIGNAL("MachineNew", "so", 0), |
1191 | SD_BUS_SIGNAL("MachineRemoved", "so", 0), | |
1192 | SD_BUS_VTABLE_END | |
1193 | }; | |
1ee306e1 | 1194 | |
19070062 | 1195 | int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 1196 | const char *path, *result, *unit; |
1ee306e1 | 1197 | Manager *m = userdata; |
c3350683 LP |
1198 | Machine *machine; |
1199 | uint32_t id; | |
1200 | int r; | |
1ee306e1 | 1201 | |
1ee306e1 | 1202 | assert(message); |
c3350683 | 1203 | assert(m); |
1ee306e1 | 1204 | |
c3350683 LP |
1205 | r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result); |
1206 | if (r < 0) { | |
ebcf1f97 | 1207 | bus_log_parse_error(r); |
65d73cf0 | 1208 | return 0; |
c3350683 | 1209 | } |
6797c324 | 1210 | |
c3350683 LP |
1211 | machine = hashmap_get(m->machine_units, unit); |
1212 | if (!machine) | |
1213 | return 0; | |
6797c324 | 1214 | |
c3350683 | 1215 | if (streq_ptr(path, machine->scope_job)) { |
491ac9f2 | 1216 | machine->scope_job = mfree(machine->scope_job); |
6797c324 | 1217 | |
c3350683 LP |
1218 | if (machine->started) { |
1219 | if (streq(result, "done")) | |
1220 | machine_send_create_reply(machine, NULL); | |
1221 | else { | |
4afd3348 | 1222 | _cleanup_(sd_bus_error_free) sd_bus_error e = SD_BUS_ERROR_NULL; |
6797c324 | 1223 | |
ebcf1f97 | 1224 | sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result); |
6797c324 | 1225 | |
ebcf1f97 | 1226 | machine_send_create_reply(machine, &e); |
c3350683 | 1227 | } |
49f3fffd LP |
1228 | } |
1229 | ||
1230 | machine_save(machine); | |
1ee306e1 LP |
1231 | } |
1232 | ||
c3350683 LP |
1233 | machine_add_to_gc_queue(machine); |
1234 | return 0; | |
1ee306e1 LP |
1235 | } |
1236 | ||
19070062 | 1237 | int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 1238 | _cleanup_free_ char *unit = NULL; |
49f3fffd | 1239 | const char *path; |
c3350683 LP |
1240 | Manager *m = userdata; |
1241 | Machine *machine; | |
ebcf1f97 | 1242 | int r; |
554604b3 | 1243 | |
c3350683 LP |
1244 | assert(message); |
1245 | assert(m); | |
554604b3 | 1246 | |
c3350683 LP |
1247 | path = sd_bus_message_get_path(message); |
1248 | if (!path) | |
554604b3 | 1249 | return 0; |
554604b3 | 1250 | |
ebcf1f97 | 1251 | r = unit_name_from_dbus_path(path, &unit); |
e5f5b5b9 LP |
1252 | if (r == -EINVAL) /* not for a unit */ |
1253 | return 0; | |
9ed794a3 | 1254 | if (r < 0) { |
9b420b3c LP |
1255 | log_oom(); |
1256 | return 0; | |
1257 | } | |
554604b3 | 1258 | |
c3350683 | 1259 | machine = hashmap_get(m->machine_units, unit); |
9b420b3c LP |
1260 | if (!machine) |
1261 | return 0; | |
1262 | ||
9b420b3c | 1263 | machine_add_to_gc_queue(machine); |
c3350683 LP |
1264 | return 0; |
1265 | } | |
554604b3 | 1266 | |
19070062 | 1267 | int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
1268 | const char *path, *unit; |
1269 | Manager *m = userdata; | |
1270 | Machine *machine; | |
1271 | int r; | |
554604b3 | 1272 | |
c3350683 LP |
1273 | assert(message); |
1274 | assert(m); | |
554604b3 | 1275 | |
c3350683 LP |
1276 | r = sd_bus_message_read(message, "so", &unit, &path); |
1277 | if (r < 0) { | |
ebcf1f97 | 1278 | bus_log_parse_error(r); |
9b420b3c | 1279 | return 0; |
554604b3 LP |
1280 | } |
1281 | ||
c3350683 | 1282 | machine = hashmap_get(m->machine_units, unit); |
9b420b3c LP |
1283 | if (!machine) |
1284 | return 0; | |
1285 | ||
9b420b3c | 1286 | machine_add_to_gc_queue(machine); |
c3350683 LP |
1287 | return 0; |
1288 | } | |
554604b3 | 1289 | |
19070062 | 1290 | int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 1291 | Manager *m = userdata; |
a658cafa LP |
1292 | Machine *machine; |
1293 | Iterator i; | |
c3350683 | 1294 | int b, r; |
554604b3 | 1295 | |
19070062 LP |
1296 | assert(message); |
1297 | assert(m); | |
554604b3 | 1298 | |
c3350683 LP |
1299 | r = sd_bus_message_read(message, "b", &b); |
1300 | if (r < 0) { | |
ebcf1f97 | 1301 | bus_log_parse_error(r); |
65d73cf0 | 1302 | return 0; |
554604b3 | 1303 | } |
a658cafa LP |
1304 | if (b) |
1305 | return 0; | |
554604b3 | 1306 | |
a658cafa LP |
1307 | /* systemd finished reloading, let's recheck all our machines */ |
1308 | log_debug("System manager has been reloaded, rechecking machines..."); | |
554604b3 | 1309 | |
a658cafa LP |
1310 | HASHMAP_FOREACH(machine, m->machines, i) |
1311 | machine_add_to_gc_queue(machine); | |
554604b3 LP |
1312 | |
1313 | return 0; | |
1314 | } | |
1315 | ||
1ee306e1 LP |
1316 | int manager_start_scope( |
1317 | Manager *manager, | |
1318 | const char *scope, | |
1319 | pid_t pid, | |
1320 | const char *slice, | |
1321 | const char *description, | |
c3350683 LP |
1322 | sd_bus_message *more_properties, |
1323 | sd_bus_error *error, | |
1ee306e1 LP |
1324 | char **job) { |
1325 | ||
4afd3348 | 1326 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; |
554604b3 | 1327 | int r; |
1ee306e1 LP |
1328 | |
1329 | assert(manager); | |
1330 | assert(scope); | |
1331 | assert(pid > 1); | |
1332 | ||
c3350683 LP |
1333 | r = sd_bus_message_new_method_call( |
1334 | manager->bus, | |
151b9b96 | 1335 | &m, |
1ee306e1 LP |
1336 | "org.freedesktop.systemd1", |
1337 | "/org/freedesktop/systemd1", | |
1338 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 1339 | "StartTransientUnit"); |
c3350683 LP |
1340 | if (r < 0) |
1341 | return r; | |
1ee306e1 | 1342 | |
a658cafa | 1343 | r = sd_bus_message_append(m, "ss", strempty(scope), "fail"); |
c3350683 LP |
1344 | if (r < 0) |
1345 | return r; | |
1ee306e1 | 1346 | |
c3350683 LP |
1347 | r = sd_bus_message_open_container(m, 'a', "(sv)"); |
1348 | if (r < 0) | |
1349 | return r; | |
1ee306e1 LP |
1350 | |
1351 | if (!isempty(slice)) { | |
c3350683 LP |
1352 | r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice); |
1353 | if (r < 0) | |
1354 | return r; | |
1ee306e1 LP |
1355 | } |
1356 | ||
1357 | if (!isempty(description)) { | |
c3350683 LP |
1358 | r = sd_bus_message_append(m, "(sv)", "Description", "s", description); |
1359 | if (r < 0) | |
1360 | return r; | |
1ee306e1 LP |
1361 | } |
1362 | ||
c3350683 LP |
1363 | r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid); |
1364 | if (r < 0) | |
1365 | return r; | |
554604b3 | 1366 | |
a931ad47 LP |
1367 | r = sd_bus_message_append(m, "(sv)", "Delegate", "b", 1); |
1368 | if (r < 0) | |
1369 | return r; | |
1370 | ||
cf7d1a30 | 1371 | r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", UINT64_C(16384)); |
b370fec2 AC |
1372 | if (r < 0) |
1373 | return bus_log_create_error(r); | |
1374 | ||
554604b3 | 1375 | if (more_properties) { |
c3350683 | 1376 | r = sd_bus_message_copy(m, more_properties, true); |
554604b3 LP |
1377 | if (r < 0) |
1378 | return r; | |
1379 | } | |
1380 | ||
c3350683 LP |
1381 | r = sd_bus_message_close_container(m); |
1382 | if (r < 0) | |
1383 | return r; | |
1ee306e1 | 1384 | |
86b8d289 LP |
1385 | r = sd_bus_message_append(m, "a(sa(sv))", 0); |
1386 | if (r < 0) | |
1387 | return r; | |
1388 | ||
c49b30a2 | 1389 | r = sd_bus_call(manager->bus, m, 0, error, &reply); |
c3350683 LP |
1390 | if (r < 0) |
1391 | return r; | |
1ee306e1 LP |
1392 | |
1393 | if (job) { | |
1394 | const char *j; | |
1395 | char *copy; | |
1396 | ||
c3350683 LP |
1397 | r = sd_bus_message_read(reply, "o", &j); |
1398 | if (r < 0) | |
1399 | return r; | |
1ee306e1 LP |
1400 | |
1401 | copy = strdup(j); | |
1402 | if (!copy) | |
1403 | return -ENOMEM; | |
1404 | ||
1405 | *job = copy; | |
1406 | } | |
1407 | ||
c3350683 | 1408 | return 1; |
1ee306e1 LP |
1409 | } |
1410 | ||
c3350683 | 1411 | int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { |
4afd3348 | 1412 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
1ee306e1 LP |
1413 | int r; |
1414 | ||
1415 | assert(manager); | |
1416 | assert(unit); | |
1417 | ||
c3350683 | 1418 | r = sd_bus_call_method( |
1ee306e1 LP |
1419 | manager->bus, |
1420 | "org.freedesktop.systemd1", | |
1421 | "/org/freedesktop/systemd1", | |
1422 | "org.freedesktop.systemd1.Manager", | |
1423 | "StopUnit", | |
1ee306e1 | 1424 | error, |
c3350683 LP |
1425 | &reply, |
1426 | "ss", unit, "fail"); | |
1ee306e1 | 1427 | if (r < 0) { |
c3350683 LP |
1428 | if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) || |
1429 | sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) { | |
6797c324 LP |
1430 | |
1431 | if (job) | |
1432 | *job = NULL; | |
1433 | ||
c3350683 | 1434 | sd_bus_error_free(error); |
6797c324 LP |
1435 | return 0; |
1436 | } | |
1437 | ||
1ee306e1 LP |
1438 | return r; |
1439 | } | |
1440 | ||
1441 | if (job) { | |
1442 | const char *j; | |
1443 | char *copy; | |
1444 | ||
c3350683 LP |
1445 | r = sd_bus_message_read(reply, "o", &j); |
1446 | if (r < 0) | |
1447 | return r; | |
1ee306e1 LP |
1448 | |
1449 | copy = strdup(j); | |
1450 | if (!copy) | |
1451 | return -ENOMEM; | |
1452 | ||
1453 | *job = copy; | |
1454 | } | |
1455 | ||
6797c324 | 1456 | return 1; |
1ee306e1 LP |
1457 | } |
1458 | ||
de58a50e | 1459 | int manager_kill_unit(Manager *manager, const char *unit, int signo, sd_bus_error *error) { |
1ee306e1 LP |
1460 | assert(manager); |
1461 | assert(unit); | |
1462 | ||
a658cafa | 1463 | return sd_bus_call_method( |
1ee306e1 LP |
1464 | manager->bus, |
1465 | "org.freedesktop.systemd1", | |
1466 | "/org/freedesktop/systemd1", | |
1467 | "org.freedesktop.systemd1.Manager", | |
1468 | "KillUnit", | |
1ee306e1 | 1469 | error, |
a658cafa | 1470 | NULL, |
de58a50e | 1471 | "ssi", unit, "all", signo); |
1ee306e1 LP |
1472 | } |
1473 | ||
1474 | int manager_unit_is_active(Manager *manager, const char *unit) { | |
4afd3348 LP |
1475 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
1476 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
1ee306e1 | 1477 | _cleanup_free_ char *path = NULL; |
1ee306e1 | 1478 | const char *state; |
1ee306e1 LP |
1479 | int r; |
1480 | ||
1481 | assert(manager); | |
1482 | assert(unit); | |
1483 | ||
1ee306e1 LP |
1484 | path = unit_dbus_path_from_name(unit); |
1485 | if (!path) | |
1486 | return -ENOMEM; | |
1487 | ||
c3350683 | 1488 | r = sd_bus_get_property( |
1ee306e1 LP |
1489 | manager->bus, |
1490 | "org.freedesktop.systemd1", | |
1491 | path, | |
c3350683 LP |
1492 | "org.freedesktop.systemd1.Unit", |
1493 | "ActiveState", | |
1ee306e1 | 1494 | &error, |
c3350683 LP |
1495 | &reply, |
1496 | "s"); | |
1ee306e1 | 1497 | if (r < 0) { |
c3350683 LP |
1498 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || |
1499 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
6797c324 | 1500 | return true; |
6797c324 | 1501 | |
c3350683 LP |
1502 | if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) || |
1503 | sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED)) | |
6797c324 | 1504 | return false; |
6797c324 | 1505 | |
1ee306e1 LP |
1506 | return r; |
1507 | } | |
1508 | ||
c3350683 LP |
1509 | r = sd_bus_message_read(reply, "s", &state); |
1510 | if (r < 0) | |
1ee306e1 | 1511 | return -EINVAL; |
1ee306e1 | 1512 | |
9b420b3c | 1513 | return !STR_IN_SET(state, "inactive", "failed"); |
1ee306e1 | 1514 | } |
bd16acf3 | 1515 | |
c3350683 | 1516 | int manager_job_is_active(Manager *manager, const char *path) { |
4afd3348 LP |
1517 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
1518 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
c3350683 | 1519 | int r; |
bd16acf3 | 1520 | |
c3350683 LP |
1521 | assert(manager); |
1522 | assert(path); | |
bd16acf3 | 1523 | |
c3350683 LP |
1524 | r = sd_bus_get_property( |
1525 | manager->bus, | |
1526 | "org.freedesktop.systemd1", | |
1527 | path, | |
1528 | "org.freedesktop.systemd1.Job", | |
1529 | "State", | |
1530 | &error, | |
1531 | &reply, | |
1532 | "s"); | |
1533 | if (r < 0) { | |
1534 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || | |
1535 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
1536 | return true; | |
bd16acf3 | 1537 | |
c3350683 LP |
1538 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT)) |
1539 | return false; | |
bd16acf3 | 1540 | |
bd16acf3 | 1541 | return r; |
c3350683 | 1542 | } |
bd16acf3 | 1543 | |
c3350683 LP |
1544 | /* We don't actually care about the state really. The fact |
1545 | * that we could read the job state is enough for us */ | |
bd16acf3 | 1546 | |
c3350683 | 1547 | return true; |
bd16acf3 | 1548 | } |
ab49725f KS |
1549 | |
1550 | int manager_get_machine_by_pid(Manager *m, pid_t pid, Machine **machine) { | |
ab49725f KS |
1551 | Machine *mm; |
1552 | int r; | |
1553 | ||
1554 | assert(m); | |
1555 | assert(pid >= 1); | |
1556 | assert(machine); | |
1557 | ||
4a0b58c4 | 1558 | mm = hashmap_get(m->machine_leaders, PID_TO_PTR(pid)); |
077c8c36 LP |
1559 | if (!mm) { |
1560 | _cleanup_free_ char *unit = NULL; | |
ab49725f | 1561 | |
077c8c36 LP |
1562 | r = cg_pid_get_unit(pid, &unit); |
1563 | if (r >= 0) | |
1564 | mm = hashmap_get(m->machine_units, unit); | |
1565 | } | |
ab49725f KS |
1566 | if (!mm) |
1567 | return 0; | |
1568 | ||
1569 | *machine = mm; | |
1570 | return 1; | |
1571 | } | |
1572 | ||
1573 | int manager_add_machine(Manager *m, const char *name, Machine **_machine) { | |
1574 | Machine *machine; | |
1575 | ||
1576 | assert(m); | |
1577 | assert(name); | |
1578 | ||
1579 | machine = hashmap_get(m->machines, name); | |
1580 | if (!machine) { | |
fbe55073 | 1581 | machine = machine_new(m, _MACHINE_CLASS_INVALID, name); |
ab49725f KS |
1582 | if (!machine) |
1583 | return -ENOMEM; | |
1584 | } | |
1585 | ||
1586 | if (_machine) | |
1587 | *_machine = machine; | |
1588 | ||
1589 | return 0; | |
1590 | } |