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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
1ee306e1 LP |
2 | |
3 | #include <errno.h> | |
4 | #include <string.h> | |
5 | #include <unistd.h> | |
1ee306e1 | 6 | |
c3350683 | 7 | #include "sd-id128.h" |
3ffd4af2 | 8 | |
b5efdb8a | 9 | #include "alloc-util.h" |
3ffd4af2 | 10 | #include "btrfs-util.h" |
96aad8d1 | 11 | #include "bus-common-errors.h" |
3ffd4af2 | 12 | #include "bus-util.h" |
23c80348 | 13 | #include "cgroup-util.h" |
3ffd4af2 | 14 | #include "fd-util.h" |
03c2b288 | 15 | #include "fileio.h" |
f97b34a6 | 16 | #include "format-util.h" |
25300b5a | 17 | #include "hostname-util.h" |
3ffd4af2 | 18 | #include "image-dbus.h" |
a90fb858 | 19 | #include "io-util.h" |
3ffd4af2 | 20 | #include "machine-dbus.h" |
003dffde | 21 | #include "machine-image.h" |
4cee5eed | 22 | #include "machine-pool.h" |
c3350683 | 23 | #include "machined.h" |
3ffd4af2 LP |
24 | #include "path-util.h" |
25 | #include "process-util.h" | |
15a5e950 | 26 | #include "stdio-util.h" |
3ffd4af2 | 27 | #include "strv.h" |
e4de7287 | 28 | #include "tmpfile-util.h" |
3ffd4af2 | 29 | #include "unit-name.h" |
b1d4f8e1 | 30 | #include "user-util.h" |
1ee306e1 | 31 | |
74c308ae | 32 | static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_pool_path, "s", "/var/lib/machines"); |
160e3793 LP |
33 | |
34 | static int property_get_pool_usage( | |
35 | sd_bus *bus, | |
36 | const char *path, | |
37 | const char *interface, | |
38 | const char *property, | |
39 | sd_bus_message *reply, | |
40 | void *userdata, | |
41 | sd_bus_error *error) { | |
42 | ||
43 | _cleanup_close_ int fd = -1; | |
44 | uint64_t usage = (uint64_t) -1; | |
160e3793 LP |
45 | |
46 | assert(bus); | |
47 | assert(reply); | |
48 | ||
160e3793 LP |
49 | fd = open("/var/lib/machines", O_RDONLY|O_CLOEXEC|O_DIRECTORY); |
50 | if (fd >= 0) { | |
51 | BtrfsQuotaInfo q; | |
52 | ||
5bcd08db | 53 | if (btrfs_subvol_get_subtree_quota_fd(fd, 0, &q) >= 0) |
cb81cd80 | 54 | usage = q.referenced; |
160e3793 LP |
55 | } |
56 | ||
160e3793 LP |
57 | return sd_bus_message_append(reply, "t", usage); |
58 | } | |
59 | ||
60 | static int property_get_pool_limit( | |
61 | sd_bus *bus, | |
62 | const char *path, | |
63 | const char *interface, | |
64 | const char *property, | |
65 | sd_bus_message *reply, | |
66 | void *userdata, | |
67 | sd_bus_error *error) { | |
68 | ||
69 | _cleanup_close_ int fd = -1; | |
70 | uint64_t size = (uint64_t) -1; | |
160e3793 LP |
71 | |
72 | assert(bus); | |
73 | assert(reply); | |
74 | ||
160e3793 LP |
75 | fd = open("/var/lib/machines", O_RDONLY|O_CLOEXEC|O_DIRECTORY); |
76 | if (fd >= 0) { | |
77 | BtrfsQuotaInfo q; | |
78 | ||
5bcd08db | 79 | if (btrfs_subvol_get_subtree_quota_fd(fd, 0, &q) >= 0) |
cb81cd80 | 80 | size = q.referenced_max; |
160e3793 LP |
81 | } |
82 | ||
160e3793 LP |
83 | return sd_bus_message_append(reply, "t", size); |
84 | } | |
85 | ||
19070062 | 86 | static int method_get_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
87 | _cleanup_free_ char *p = NULL; |
88 | Manager *m = userdata; | |
89 | Machine *machine; | |
90 | const char *name; | |
91 | int r; | |
92 | ||
c3350683 LP |
93 | assert(message); |
94 | assert(m); | |
95 | ||
96 | r = sd_bus_message_read(message, "s", &name); | |
97 | if (r < 0) | |
ebcf1f97 | 98 | return r; |
c3350683 LP |
99 | |
100 | machine = hashmap_get(m->machines, name); | |
101 | if (!machine) | |
ebcf1f97 | 102 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
c3350683 LP |
103 | |
104 | p = machine_bus_path(machine); | |
105 | if (!p) | |
ebcf1f97 | 106 | return -ENOMEM; |
c3350683 | 107 | |
df2d202e | 108 | return sd_bus_reply_method_return(message, "o", p); |
c3350683 LP |
109 | } |
110 | ||
19070062 | 111 | static int method_get_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c2ce6a3d LP |
112 | _cleanup_free_ char *p = NULL; |
113 | Manager *m = userdata; | |
114 | const char *name; | |
115 | int r; | |
116 | ||
c2ce6a3d LP |
117 | assert(message); |
118 | assert(m); | |
119 | ||
120 | r = sd_bus_message_read(message, "s", &name); | |
121 | if (r < 0) | |
122 | return r; | |
123 | ||
5ef46e5f | 124 | r = image_find(IMAGE_MACHINE, name, NULL); |
3a6ce860 | 125 | if (r == -ENOENT) |
c2ce6a3d LP |
126 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); |
127 | if (r < 0) | |
128 | return r; | |
129 | ||
130 | p = image_bus_path(name); | |
131 | if (!p) | |
132 | return -ENOMEM; | |
133 | ||
134 | return sd_bus_reply_method_return(message, "o", p); | |
135 | } | |
136 | ||
19070062 | 137 | static int method_get_machine_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
138 | _cleanup_free_ char *p = NULL; |
139 | Manager *m = userdata; | |
140 | Machine *machine = NULL; | |
4e724d9c | 141 | pid_t pid; |
c3350683 LP |
142 | int r; |
143 | ||
c3350683 LP |
144 | assert(message); |
145 | assert(m); | |
146 | ||
4e724d9c LP |
147 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
148 | ||
c3350683 LP |
149 | r = sd_bus_message_read(message, "u", &pid); |
150 | if (r < 0) | |
ebcf1f97 | 151 | return r; |
c3350683 | 152 | |
07b38ba5 | 153 | if (pid < 0) |
06820eaf LP |
154 | return -EINVAL; |
155 | ||
4e724d9c | 156 | if (pid == 0) { |
4afd3348 | 157 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
5b12334d LP |
158 | |
159 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
160 | if (r < 0) | |
161 | return r; | |
162 | ||
163 | r = sd_bus_creds_get_pid(creds, &pid); | |
4e724d9c | 164 | if (r < 0) |
ebcf1f97 | 165 | return r; |
4e724d9c LP |
166 | } |
167 | ||
c3350683 LP |
168 | r = manager_get_machine_by_pid(m, pid, &machine); |
169 | if (r < 0) | |
ebcf1f97 | 170 | return r; |
c3350683 | 171 | if (!machine) |
de0671ee | 172 | 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 |
173 | |
174 | p = machine_bus_path(machine); | |
175 | if (!p) | |
ebcf1f97 | 176 | return -ENOMEM; |
c3350683 | 177 | |
df2d202e | 178 | return sd_bus_reply_method_return(message, "o", p); |
c3350683 LP |
179 | } |
180 | ||
19070062 | 181 | static int method_list_machines(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 182 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
c3350683 LP |
183 | Manager *m = userdata; |
184 | Machine *machine; | |
185 | Iterator i; | |
186 | int r; | |
187 | ||
c3350683 LP |
188 | assert(message); |
189 | assert(m); | |
190 | ||
df2d202e | 191 | r = sd_bus_message_new_method_return(message, &reply); |
c3350683 | 192 | if (r < 0) |
ebcf1f97 | 193 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
194 | |
195 | r = sd_bus_message_open_container(reply, 'a', "(ssso)"); | |
196 | if (r < 0) | |
ebcf1f97 | 197 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
198 | |
199 | HASHMAP_FOREACH(machine, m->machines, i) { | |
200 | _cleanup_free_ char *p = NULL; | |
201 | ||
202 | p = machine_bus_path(machine); | |
203 | if (!p) | |
ebcf1f97 | 204 | return -ENOMEM; |
c3350683 LP |
205 | |
206 | r = sd_bus_message_append(reply, "(ssso)", | |
207 | machine->name, | |
208 | strempty(machine_class_to_string(machine->class)), | |
209 | machine->service, | |
210 | p); | |
211 | if (r < 0) | |
ebcf1f97 | 212 | return sd_bus_error_set_errno(error, r); |
c3350683 | 213 | } |
1ee306e1 | 214 | |
c3350683 LP |
215 | r = sd_bus_message_close_container(reply); |
216 | if (r < 0) | |
ebcf1f97 | 217 | return sd_bus_error_set_errno(error, r); |
c3350683 | 218 | |
9030ca46 | 219 | return sd_bus_send(NULL, reply, NULL); |
c3350683 LP |
220 | } |
221 | ||
9b5ed6fe | 222 | static int method_create_or_register_machine(Manager *manager, sd_bus_message *message, bool read_network, Machine **_m, sd_bus_error *error) { |
8aec412f | 223 | const char *name, *service, *class, *root_directory; |
9b5ed6fe | 224 | const int32_t *netif = NULL; |
1ee306e1 LP |
225 | MachineClass c; |
226 | uint32_t leader; | |
227 | sd_id128_t id; | |
c3350683 | 228 | const void *v; |
1ee306e1 | 229 | Machine *m; |
9b5ed6fe | 230 | size_t n, n_netif = 0; |
c3350683 | 231 | int r; |
1ee306e1 | 232 | |
c3350683 | 233 | assert(manager); |
89f7c846 LP |
234 | assert(message); |
235 | assert(_m); | |
1ee306e1 | 236 | |
c3350683 LP |
237 | r = sd_bus_message_read(message, "s", &name); |
238 | if (r < 0) | |
ebcf1f97 | 239 | return r; |
7f0d207d | 240 | if (!machine_name_is_valid(name)) |
ebcf1f97 | 241 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine name"); |
1ee306e1 | 242 | |
c3350683 LP |
243 | r = sd_bus_message_read_array(message, 'y', &v, &n); |
244 | if (r < 0) | |
ebcf1f97 | 245 | return r; |
1ee306e1 LP |
246 | if (n == 0) |
247 | id = SD_ID128_NULL; | |
248 | else if (n == 16) | |
249 | memcpy(&id, v, n); | |
250 | else | |
ebcf1f97 | 251 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine ID parameter"); |
1ee306e1 | 252 | |
c3350683 LP |
253 | r = sd_bus_message_read(message, "ssus", &service, &class, &leader, &root_directory); |
254 | if (r < 0) | |
ebcf1f97 | 255 | return r; |
1ee306e1 | 256 | |
9b5ed6fe LP |
257 | if (read_network) { |
258 | size_t i; | |
259 | ||
260 | r = sd_bus_message_read_array(message, 'i', (const void**) &netif, &n_netif); | |
261 | if (r < 0) | |
262 | return r; | |
263 | ||
264 | n_netif /= sizeof(int32_t); | |
265 | ||
266 | for (i = 0; i < n_netif; i++) { | |
267 | if (netif[i] <= 0) | |
268 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid network interface index %i", netif[i]); | |
269 | } | |
270 | } | |
271 | ||
1ee306e1 LP |
272 | if (isempty(class)) |
273 | c = _MACHINE_CLASS_INVALID; | |
274 | else { | |
275 | c = machine_class_from_string(class); | |
276 | if (c < 0) | |
ebcf1f97 | 277 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine class parameter"); |
1ee306e1 LP |
278 | } |
279 | ||
c3350683 | 280 | if (leader == 1) |
ebcf1f97 | 281 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID"); |
1ee306e1 | 282 | |
c3350683 | 283 | if (!isempty(root_directory) && !path_is_absolute(root_directory)) |
ebcf1f97 | 284 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Root directory must be empty or an absolute path"); |
1ee306e1 | 285 | |
c3350683 | 286 | if (leader == 0) { |
4afd3348 | 287 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
5b12334d LP |
288 | |
289 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
290 | if (r < 0) | |
291 | return r; | |
292 | ||
c3350683 | 293 | assert_cc(sizeof(uint32_t) == sizeof(pid_t)); |
554604b3 | 294 | |
5b12334d | 295 | r = sd_bus_creds_get_pid(creds, (pid_t*) &leader); |
c3350683 | 296 | if (r < 0) |
ebcf1f97 | 297 | return r; |
c3350683 | 298 | } |
554604b3 | 299 | |
1ee306e1 | 300 | if (hashmap_get(manager->machines, name)) |
ebcf1f97 | 301 | return sd_bus_error_setf(error, BUS_ERROR_MACHINE_EXISTS, "Machine '%s' already exists", name); |
1ee306e1 LP |
302 | |
303 | r = manager_add_machine(manager, name, &m); | |
304 | if (r < 0) | |
ebcf1f97 | 305 | return r; |
1ee306e1 LP |
306 | |
307 | m->leader = leader; | |
308 | m->class = c; | |
309 | m->id = id; | |
310 | ||
311 | if (!isempty(service)) { | |
312 | m->service = strdup(service); | |
313 | if (!m->service) { | |
ebcf1f97 | 314 | r = -ENOMEM; |
1ee306e1 LP |
315 | goto fail; |
316 | } | |
317 | } | |
318 | ||
319 | if (!isempty(root_directory)) { | |
320 | m->root_directory = strdup(root_directory); | |
321 | if (!m->root_directory) { | |
ebcf1f97 | 322 | r = -ENOMEM; |
1ee306e1 LP |
323 | goto fail; |
324 | } | |
325 | } | |
326 | ||
9b5ed6fe LP |
327 | if (n_netif > 0) { |
328 | assert_cc(sizeof(int32_t) == sizeof(int)); | |
329 | m->netif = memdup(netif, sizeof(int32_t) * n_netif); | |
330 | if (!m->netif) { | |
331 | r = -ENOMEM; | |
332 | goto fail; | |
333 | } | |
334 | ||
335 | m->n_netif = n_netif; | |
336 | } | |
337 | ||
89f7c846 LP |
338 | *_m = m; |
339 | ||
340 | return 1; | |
341 | ||
342 | fail: | |
343 | machine_add_to_gc_queue(m); | |
344 | return r; | |
345 | } | |
346 | ||
19070062 | 347 | static int method_create_machine_internal(sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) { |
89f7c846 LP |
348 | Manager *manager = userdata; |
349 | Machine *m = NULL; | |
350 | int r; | |
351 | ||
19070062 LP |
352 | assert(message); |
353 | assert(manager); | |
354 | ||
9b5ed6fe | 355 | r = method_create_or_register_machine(manager, message, read_network, &m, error); |
89f7c846 LP |
356 | if (r < 0) |
357 | return r; | |
358 | ||
359 | r = sd_bus_message_enter_container(message, 'a', "(sv)"); | |
360 | if (r < 0) | |
361 | goto fail; | |
362 | ||
ebcf1f97 LP |
363 | r = machine_start(m, message, error); |
364 | if (r < 0) | |
1ee306e1 LP |
365 | goto fail; |
366 | ||
c3350683 | 367 | m->create_message = sd_bus_message_ref(message); |
c3350683 | 368 | return 1; |
1ee306e1 LP |
369 | |
370 | fail: | |
a3e7f417 | 371 | machine_add_to_gc_queue(m); |
89f7c846 LP |
372 | return r; |
373 | } | |
1ee306e1 | 374 | |
19070062 LP |
375 | static int method_create_machine_with_network(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
376 | return method_create_machine_internal(message, true, userdata, error); | |
9b5ed6fe LP |
377 | } |
378 | ||
19070062 LP |
379 | static int method_create_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
380 | return method_create_machine_internal(message, false, userdata, error); | |
9b5ed6fe LP |
381 | } |
382 | ||
19070062 | 383 | static int method_register_machine_internal(sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) { |
89f7c846 LP |
384 | Manager *manager = userdata; |
385 | _cleanup_free_ char *p = NULL; | |
386 | Machine *m = NULL; | |
387 | int r; | |
388 | ||
19070062 LP |
389 | assert(message); |
390 | assert(manager); | |
391 | ||
9b5ed6fe | 392 | r = method_create_or_register_machine(manager, message, read_network, &m, error); |
89f7c846 LP |
393 | if (r < 0) |
394 | return r; | |
395 | ||
396 | r = cg_pid_get_unit(m->leader, &m->unit); | |
397 | if (r < 0) { | |
048c386e ZJS |
398 | r = sd_bus_error_set_errnof(error, r, |
399 | "Failed to determine unit of process "PID_FMT" : %m", | |
400 | m->leader); | |
89f7c846 LP |
401 | goto fail; |
402 | } | |
403 | ||
404 | r = machine_start(m, NULL, error); | |
405 | if (r < 0) | |
406 | goto fail; | |
407 | ||
408 | p = machine_bus_path(m); | |
409 | if (!p) { | |
410 | r = -ENOMEM; | |
411 | goto fail; | |
412 | } | |
413 | ||
414 | return sd_bus_reply_method_return(message, "o", p); | |
415 | ||
416 | fail: | |
417 | machine_add_to_gc_queue(m); | |
1ee306e1 LP |
418 | return r; |
419 | } | |
420 | ||
19070062 LP |
421 | static int method_register_machine_with_network(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
422 | return method_register_machine_internal(message, true, userdata, error); | |
9b5ed6fe LP |
423 | } |
424 | ||
19070062 LP |
425 | static int method_register_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
426 | return method_register_machine_internal(message, false, userdata, error); | |
9b5ed6fe LP |
427 | } |
428 | ||
eecf0181 | 429 | static int redirect_method_to_machine(sd_bus_message *message, Manager *m, sd_bus_error *error, sd_bus_message_handler_t method) { |
c3350683 LP |
430 | Machine *machine; |
431 | const char *name; | |
1ee306e1 LP |
432 | int r; |
433 | ||
1ee306e1 LP |
434 | assert(message); |
435 | assert(m); | |
eecf0181 | 436 | assert(method); |
1ee306e1 | 437 | |
c3350683 LP |
438 | r = sd_bus_message_read(message, "s", &name); |
439 | if (r < 0) | |
ebcf1f97 | 440 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 441 | |
c3350683 LP |
442 | machine = hashmap_get(m->machines, name); |
443 | if (!machine) | |
ebcf1f97 | 444 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
1ee306e1 | 445 | |
eecf0181 | 446 | return method(message, machine, error); |
c3350683 | 447 | } |
1ee306e1 | 448 | |
eecf0181 LP |
449 | static int method_terminate_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
450 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_terminate); | |
451 | } | |
1ee306e1 | 452 | |
eecf0181 LP |
453 | static int method_kill_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
454 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_kill); | |
878cd7e9 LP |
455 | } |
456 | ||
19070062 | 457 | static int method_get_machine_addresses(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 458 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_get_addresses); |
c3350683 | 459 | } |
1ee306e1 | 460 | |
19070062 | 461 | static int method_get_machine_os_release(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 462 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_get_os_release); |
717603e3 LP |
463 | } |
464 | ||
19070062 | 465 | static int method_list_images(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 466 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cd61c3bf LP |
467 | _cleanup_(image_hashmap_freep) Hashmap *images = NULL; |
468 | Manager *m = userdata; | |
469 | Image *image; | |
470 | Iterator i; | |
471 | int r; | |
472 | ||
cd61c3bf LP |
473 | assert(message); |
474 | assert(m); | |
475 | ||
476 | images = hashmap_new(&string_hash_ops); | |
477 | if (!images) | |
478 | return -ENOMEM; | |
479 | ||
5ef46e5f | 480 | r = image_discover(IMAGE_MACHINE, images); |
cd61c3bf LP |
481 | if (r < 0) |
482 | return r; | |
483 | ||
484 | r = sd_bus_message_new_method_return(message, &reply); | |
485 | if (r < 0) | |
486 | return r; | |
487 | ||
b6b18498 | 488 | r = sd_bus_message_open_container(reply, 'a', "(ssbttto)"); |
cd61c3bf LP |
489 | if (r < 0) |
490 | return r; | |
491 | ||
492 | HASHMAP_FOREACH(image, images, i) { | |
493 | _cleanup_free_ char *p = NULL; | |
494 | ||
495 | p = image_bus_path(image->name); | |
496 | if (!p) | |
497 | return -ENOMEM; | |
498 | ||
b6b18498 | 499 | r = sd_bus_message_append(reply, "(ssbttto)", |
cd61c3bf LP |
500 | image->name, |
501 | image_type_to_string(image->type), | |
502 | image->read_only, | |
10f9c755 LP |
503 | image->crtime, |
504 | image->mtime, | |
c19de711 | 505 | image->usage, |
cd61c3bf LP |
506 | p); |
507 | if (r < 0) | |
508 | return r; | |
509 | } | |
510 | ||
511 | r = sd_bus_message_close_container(reply); | |
512 | if (r < 0) | |
513 | return r; | |
514 | ||
9030ca46 | 515 | return sd_bus_send(NULL, reply, NULL); |
cd61c3bf LP |
516 | } |
517 | ||
19070062 | 518 | static int method_open_machine_pty(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 519 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_open_pty); |
40205d70 LP |
520 | } |
521 | ||
19070062 | 522 | static int method_open_machine_login(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 523 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_open_login); |
5f8cc96a LP |
524 | } |
525 | ||
49af9e13 | 526 | static int method_open_machine_shell(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 527 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_open_shell); |
49af9e13 LP |
528 | } |
529 | ||
19070062 | 530 | static int method_bind_mount_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 531 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_bind_mount); |
90adaa25 LP |
532 | } |
533 | ||
19070062 | 534 | static int method_copy_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 535 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_copy); |
0370612e LP |
536 | } |
537 | ||
ae203207 | 538 | static int method_open_machine_root_directory(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 539 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_open_root_directory); |
ae203207 LP |
540 | } |
541 | ||
3401419b | 542 | static int method_get_machine_uid_shift(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 543 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_get_uid_shift); |
3401419b LP |
544 | } |
545 | ||
9b06c1e1 | 546 | static int redirect_method_to_image(sd_bus_message *message, Manager *m, sd_bus_error *error, sd_bus_message_handler_t method) { |
08682124 LP |
547 | _cleanup_(image_unrefp) Image* i = NULL; |
548 | const char *name; | |
549 | int r; | |
550 | ||
08682124 | 551 | assert(message); |
9b06c1e1 LP |
552 | assert(m); |
553 | assert(method); | |
08682124 LP |
554 | |
555 | r = sd_bus_message_read(message, "s", &name); | |
556 | if (r < 0) | |
557 | return r; | |
558 | ||
559 | if (!image_name_is_valid(name)) | |
560 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
561 | ||
5ef46e5f | 562 | r = image_find(IMAGE_MACHINE, name, &i); |
3a6ce860 LP |
563 | if (r == -ENOENT) |
564 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
08682124 LP |
565 | if (r < 0) |
566 | return r; | |
08682124 | 567 | |
9b06c1e1 LP |
568 | i->userdata = m; |
569 | return method(message, i, error); | |
08682124 LP |
570 | } |
571 | ||
9b06c1e1 LP |
572 | static int method_remove_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
573 | return redirect_method_to_image(message, userdata, error, bus_image_method_remove); | |
574 | } | |
ebd93cb6 | 575 | |
9b06c1e1 LP |
576 | static int method_rename_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
577 | return redirect_method_to_image(message, userdata, error, bus_image_method_rename); | |
ebd93cb6 LP |
578 | } |
579 | ||
19070062 | 580 | static int method_clone_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
9b06c1e1 | 581 | return redirect_method_to_image(message, userdata, error, bus_image_method_clone); |
ebd93cb6 LP |
582 | } |
583 | ||
19070062 | 584 | static int method_mark_image_read_only(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
9b06c1e1 | 585 | return redirect_method_to_image(message, userdata, error, bus_image_method_mark_read_only); |
ebd93cb6 LP |
586 | } |
587 | ||
cf30a8c1 | 588 | static int method_get_image_hostname(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
9b06c1e1 | 589 | return redirect_method_to_image(message, userdata, error, bus_image_method_get_hostname); |
cf30a8c1 LP |
590 | } |
591 | ||
592 | static int method_get_image_machine_id(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
9b06c1e1 | 593 | return redirect_method_to_image(message, userdata, error, bus_image_method_get_machine_id); |
cf30a8c1 LP |
594 | } |
595 | ||
596 | static int method_get_image_machine_info(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
9b06c1e1 | 597 | return redirect_method_to_image(message, userdata, error, bus_image_method_get_machine_info); |
cf30a8c1 LP |
598 | } |
599 | ||
9153b02b | 600 | static int method_get_image_os_release(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
9b06c1e1 | 601 | return redirect_method_to_image(message, userdata, error, bus_image_method_get_os_release); |
9153b02b LP |
602 | } |
603 | ||
03c2b288 LP |
604 | static int clean_pool_done(Operation *operation, int ret, sd_bus_error *error) { |
605 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
606 | _cleanup_fclose_ FILE *f = NULL; | |
607 | bool success; | |
608 | size_t n; | |
609 | int r; | |
610 | ||
611 | assert(operation); | |
612 | assert(operation->extra_fd >= 0); | |
613 | ||
614 | if (lseek(operation->extra_fd, 0, SEEK_SET) == (off_t) -1) | |
615 | return -errno; | |
616 | ||
617 | f = fdopen(operation->extra_fd, "re"); | |
618 | if (!f) | |
619 | return -errno; | |
620 | ||
621 | operation->extra_fd = -1; | |
622 | ||
623 | /* The resulting temporary file starts with a boolean value that indicates success or not. */ | |
624 | errno = 0; | |
625 | n = fread(&success, 1, sizeof(success), f); | |
626 | if (n != sizeof(success)) | |
627 | return ret < 0 ? ret : (errno != 0 ? -errno : -EIO); | |
628 | ||
629 | if (ret < 0) { | |
630 | _cleanup_free_ char *name = NULL; | |
631 | ||
632 | /* The clean-up operation failed. In this case the resulting temporary file should contain a boolean | |
633 | * set to false followed by the name of the failed image. Let's try to read this and use it for the | |
634 | * error message. If we can't read it, don't mind, and return the naked error. */ | |
635 | ||
636 | if (success) /* The resulting temporary file could not be updated, ignore it. */ | |
637 | return ret; | |
638 | ||
639 | r = read_nul_string(f, &name); | |
640 | if (r < 0 || isempty(name)) /* Same here... */ | |
641 | return ret; | |
642 | ||
643 | return sd_bus_error_set_errnof(error, ret, "Failed to remove image %s: %m", name); | |
644 | } | |
645 | ||
646 | assert(success); | |
647 | ||
648 | r = sd_bus_message_new_method_return(operation->message, &reply); | |
649 | if (r < 0) | |
650 | return r; | |
651 | ||
652 | r = sd_bus_message_open_container(reply, 'a', "(st)"); | |
653 | if (r < 0) | |
654 | return r; | |
655 | ||
656 | /* On success the resulting temporary file will contain a list of image names that were removed followed by | |
657 | * their size on disk. Let's read that and turn it into a bus message. */ | |
658 | for (;;) { | |
659 | _cleanup_free_ char *name = NULL; | |
660 | uint64_t size; | |
661 | ||
662 | r = read_nul_string(f, &name); | |
663 | if (r < 0) | |
664 | return r; | |
665 | if (isempty(name)) /* reached the end */ | |
666 | break; | |
667 | ||
668 | errno = 0; | |
669 | n = fread(&size, 1, sizeof(size), f); | |
670 | if (n != sizeof(size)) | |
671 | return errno != 0 ? -errno : -EIO; | |
672 | ||
673 | r = sd_bus_message_append(reply, "(st)", name, size); | |
674 | if (r < 0) | |
675 | return r; | |
676 | } | |
677 | ||
678 | r = sd_bus_message_close_container(reply); | |
679 | if (r < 0) | |
680 | return r; | |
681 | ||
682 | return sd_bus_send(NULL, reply, NULL); | |
683 | } | |
684 | ||
d94c2b06 LP |
685 | static int method_clean_pool(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
686 | enum { | |
687 | REMOVE_ALL, | |
688 | REMOVE_HIDDEN, | |
689 | } mode; | |
690 | ||
03c2b288 LP |
691 | _cleanup_close_pair_ int errno_pipe_fd[2] = { -1, -1 }; |
692 | _cleanup_close_ int result_fd = -1; | |
d94c2b06 | 693 | Manager *m = userdata; |
03c2b288 | 694 | Operation *operation; |
d94c2b06 | 695 | const char *mm; |
03c2b288 | 696 | pid_t child; |
d94c2b06 LP |
697 | int r; |
698 | ||
699 | assert(message); | |
700 | ||
03c2b288 LP |
701 | if (m->n_operations >= OPERATIONS_MAX) |
702 | return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Too many ongoing operations."); | |
703 | ||
d94c2b06 LP |
704 | r = sd_bus_message_read(message, "s", &mm); |
705 | if (r < 0) | |
706 | return r; | |
707 | ||
708 | if (streq(mm, "all")) | |
709 | mode = REMOVE_ALL; | |
710 | else if (streq(mm, "hidden")) | |
711 | mode = REMOVE_HIDDEN; | |
712 | else | |
713 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown mode '%s'.", mm); | |
714 | ||
715 | r = bus_verify_polkit_async( | |
716 | message, | |
717 | CAP_SYS_ADMIN, | |
718 | "org.freedesktop.machine1.manage-machines", | |
719 | NULL, | |
720 | false, | |
721 | UID_INVALID, | |
722 | &m->polkit_registry, | |
723 | error); | |
724 | if (r < 0) | |
725 | return r; | |
726 | if (r == 0) | |
727 | return 1; /* Will call us back */ | |
728 | ||
03c2b288 LP |
729 | if (pipe2(errno_pipe_fd, O_CLOEXEC|O_NONBLOCK) < 0) |
730 | return sd_bus_error_set_errnof(error, errno, "Failed to create pipe: %m"); | |
d94c2b06 | 731 | |
03c2b288 LP |
732 | /* Create a temporary file we can dump information about deleted images into. We use a temporary file for this |
733 | * instead of a pipe or so, since this might grow quit large in theory and we don't want to process this | |
595bfe7d | 734 | * continuously */ |
992e8f22 | 735 | result_fd = open_tmpfile_unlinkable(NULL, O_RDWR|O_CLOEXEC); |
03c2b288 LP |
736 | if (result_fd < 0) |
737 | return -errno; | |
d94c2b06 | 738 | |
03c2b288 | 739 | /* This might be a slow operation, run it asynchronously in a background process */ |
4c253ed1 LP |
740 | r = safe_fork("(sd-clean)", FORK_RESET_SIGNALS, &child); |
741 | if (r < 0) | |
742 | return sd_bus_error_set_errnof(error, r, "Failed to fork(): %m"); | |
743 | if (r == 0) { | |
03c2b288 LP |
744 | _cleanup_(image_hashmap_freep) Hashmap *images = NULL; |
745 | bool success = true; | |
746 | Image *image; | |
747 | Iterator i; | |
748 | ssize_t l; | |
d94c2b06 | 749 | |
03c2b288 | 750 | errno_pipe_fd[0] = safe_close(errno_pipe_fd[0]); |
d94c2b06 | 751 | |
03c2b288 LP |
752 | images = hashmap_new(&string_hash_ops); |
753 | if (!images) { | |
754 | r = -ENOMEM; | |
755 | goto child_fail; | |
756 | } | |
d94c2b06 | 757 | |
5ef46e5f | 758 | r = image_discover(IMAGE_MACHINE, images); |
03c2b288 LP |
759 | if (r < 0) |
760 | goto child_fail; | |
d94c2b06 | 761 | |
03c2b288 LP |
762 | l = write(result_fd, &success, sizeof(success)); |
763 | if (l < 0) { | |
764 | r = -errno; | |
765 | goto child_fail; | |
766 | } | |
d94c2b06 | 767 | |
03c2b288 LP |
768 | HASHMAP_FOREACH(image, images, i) { |
769 | ||
770 | /* We can't remove vendor images (i.e. those in /usr) */ | |
771 | if (IMAGE_IS_VENDOR(image)) | |
772 | continue; | |
773 | ||
774 | if (IMAGE_IS_HOST(image)) | |
775 | continue; | |
776 | ||
777 | if (mode == REMOVE_HIDDEN && !IMAGE_IS_HIDDEN(image)) | |
778 | continue; | |
779 | ||
780 | r = image_remove(image); | |
781 | if (r == -EBUSY) /* keep images that are currently being used. */ | |
782 | continue; | |
783 | if (r < 0) { | |
784 | /* If the operation failed, let's override everything we wrote, and instead write there at which image we failed. */ | |
785 | success = false; | |
786 | (void) ftruncate(result_fd, 0); | |
787 | (void) lseek(result_fd, 0, SEEK_SET); | |
788 | (void) write(result_fd, &success, sizeof(success)); | |
789 | (void) write(result_fd, image->name, strlen(image->name)+1); | |
790 | goto child_fail; | |
791 | } | |
792 | ||
793 | l = write(result_fd, image->name, strlen(image->name)+1); | |
794 | if (l < 0) { | |
795 | r = -errno; | |
796 | goto child_fail; | |
797 | } | |
798 | ||
799 | l = write(result_fd, &image->usage_exclusive, sizeof(image->usage_exclusive)); | |
800 | if (l < 0) { | |
801 | r = -errno; | |
802 | goto child_fail; | |
803 | } | |
804 | } | |
d94c2b06 | 805 | |
03c2b288 LP |
806 | result_fd = safe_close(result_fd); |
807 | _exit(EXIT_SUCCESS); | |
808 | ||
809 | child_fail: | |
810 | (void) write(errno_pipe_fd[1], &r, sizeof(r)); | |
811 | _exit(EXIT_FAILURE); | |
d94c2b06 LP |
812 | } |
813 | ||
03c2b288 LP |
814 | errno_pipe_fd[1] = safe_close(errno_pipe_fd[1]); |
815 | ||
816 | /* The clean-up might take a while, hence install a watch on the child and return */ | |
817 | ||
818 | r = operation_new(m, NULL, child, message, errno_pipe_fd[0], &operation); | |
819 | if (r < 0) { | |
820 | (void) sigkill_wait(child); | |
d94c2b06 | 821 | return r; |
03c2b288 | 822 | } |
d94c2b06 | 823 | |
03c2b288 LP |
824 | operation->extra_fd = result_fd; |
825 | operation->done = clean_pool_done; | |
826 | ||
827 | result_fd = -1; | |
828 | errno_pipe_fd[0] = -1; | |
829 | ||
830 | return 1; | |
d94c2b06 LP |
831 | } |
832 | ||
19070062 | 833 | static int method_set_pool_limit(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
d6ce17c7 LP |
834 | Manager *m = userdata; |
835 | uint64_t limit; | |
836 | int r; | |
837 | ||
19070062 LP |
838 | assert(message); |
839 | ||
d6ce17c7 LP |
840 | r = sd_bus_message_read(message, "t", &limit); |
841 | if (r < 0) | |
842 | return r; | |
a90fb858 LP |
843 | if (!FILE_SIZE_VALID_OR_INFINITY(limit)) |
844 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "New limit out of range"); | |
d6ce17c7 LP |
845 | |
846 | r = bus_verify_polkit_async( | |
847 | message, | |
848 | CAP_SYS_ADMIN, | |
849 | "org.freedesktop.machine1.manage-machines", | |
403ed0e5 | 850 | NULL, |
d6ce17c7 LP |
851 | false, |
852 | UID_INVALID, | |
853 | &m->polkit_registry, | |
854 | error); | |
855 | if (r < 0) | |
856 | return r; | |
857 | if (r == 0) | |
858 | return 1; /* Will call us back */ | |
859 | ||
4cee5eed | 860 | /* Set up the machine directory if necessary */ |
5f7ecd61 | 861 | r = setup_machine_directory(error); |
4cee5eed LP |
862 | if (r < 0) |
863 | return r; | |
864 | ||
5bcd08db LP |
865 | (void) btrfs_qgroup_set_limit("/var/lib/machines", 0, limit); |
866 | ||
867 | r = btrfs_subvol_set_subtree_quota_limit("/var/lib/machines", 0, limit); | |
d6ce17c7 LP |
868 | if (r == -ENOTTY) |
869 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Quota is only supported on btrfs."); | |
26166c88 | 870 | if (r < 0) |
d6ce17c7 LP |
871 | return sd_bus_error_set_errnof(error, r, "Failed to adjust quota limit: %m"); |
872 | ||
873 | return sd_bus_reply_method_return(message, NULL); | |
874 | } | |
875 | ||
19070062 | 876 | static int method_set_image_limit(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
9b06c1e1 | 877 | return redirect_method_to_image(message, userdata, error, bus_image_method_set_limit); |
d6ce17c7 LP |
878 | } |
879 | ||
c01ff965 LP |
880 | static int method_map_from_machine_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
881 | _cleanup_fclose_ FILE *f = NULL; | |
882 | Manager *m = userdata; | |
883 | const char *name, *p; | |
884 | Machine *machine; | |
885 | uint32_t uid; | |
886 | int r; | |
887 | ||
888 | r = sd_bus_message_read(message, "su", &name, &uid); | |
889 | if (r < 0) | |
890 | return r; | |
891 | ||
c077529b | 892 | if (!uid_is_valid(uid)) |
c01ff965 LP |
893 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
894 | ||
895 | machine = hashmap_get(m->machines, name); | |
896 | if (!machine) | |
897 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
898 | ||
a79366e2 LP |
899 | if (machine->class != MACHINE_CONTAINER) |
900 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Not supported for non-container machines."); | |
901 | ||
c01ff965 LP |
902 | p = procfs_file_alloca(machine->leader, "uid_map"); |
903 | f = fopen(p, "re"); | |
904 | if (!f) | |
905 | return -errno; | |
906 | ||
907 | for (;;) { | |
908 | uid_t uid_base, uid_shift, uid_range, converted; | |
909 | int k; | |
910 | ||
911 | errno = 0; | |
912 | k = fscanf(f, UID_FMT " " UID_FMT " " UID_FMT, &uid_base, &uid_shift, &uid_range); | |
913 | if (k < 0 && feof(f)) | |
914 | break; | |
915 | if (k != 3) { | |
b3267152 | 916 | if (ferror(f) && errno > 0) |
c01ff965 LP |
917 | return -errno; |
918 | ||
919 | return -EIO; | |
920 | } | |
921 | ||
922 | if (uid < uid_base || uid >= uid_base + uid_range) | |
923 | continue; | |
924 | ||
925 | converted = uid - uid_base + uid_shift; | |
c077529b | 926 | if (!uid_is_valid(converted)) |
c01ff965 LP |
927 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
928 | ||
929 | return sd_bus_reply_method_return(message, "u", (uint32_t) converted); | |
930 | } | |
931 | ||
932 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "Machine '%s' has no matching user mappings.", name); | |
933 | } | |
934 | ||
935 | static int method_map_to_machine_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
936 | Manager *m = userdata; | |
937 | Machine *machine; | |
938 | uid_t uid; | |
939 | Iterator i; | |
940 | int r; | |
941 | ||
942 | r = sd_bus_message_read(message, "u", &uid); | |
943 | if (r < 0) | |
944 | return r; | |
c077529b | 945 | if (!uid_is_valid(uid)) |
c01ff965 LP |
946 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
947 | if (uid < 0x10000) | |
948 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "User " UID_FMT " belongs to host UID range", uid); | |
949 | ||
950 | HASHMAP_FOREACH(machine, m->machines, i) { | |
951 | _cleanup_fclose_ FILE *f = NULL; | |
fbd0b64f | 952 | char p[STRLEN("/proc//uid_map") + DECIMAL_STR_MAX(pid_t) + 1]; |
c01ff965 | 953 | |
a79366e2 LP |
954 | if (machine->class != MACHINE_CONTAINER) |
955 | continue; | |
956 | ||
c01ff965 LP |
957 | xsprintf(p, "/proc/" UID_FMT "/uid_map", machine->leader); |
958 | f = fopen(p, "re"); | |
959 | if (!f) { | |
fe4a1d0f | 960 | log_warning_errno(errno, "Failed to open %s, ignoring,", p); |
c01ff965 LP |
961 | continue; |
962 | } | |
963 | ||
964 | for (;;) { | |
965 | _cleanup_free_ char *o = NULL; | |
966 | uid_t uid_base, uid_shift, uid_range, converted; | |
967 | int k; | |
968 | ||
969 | errno = 0; | |
970 | k = fscanf(f, UID_FMT " " UID_FMT " " UID_FMT, &uid_base, &uid_shift, &uid_range); | |
971 | if (k < 0 && feof(f)) | |
972 | break; | |
973 | if (k != 3) { | |
b3267152 | 974 | if (ferror(f) && errno > 0) |
c01ff965 LP |
975 | return -errno; |
976 | ||
977 | return -EIO; | |
978 | } | |
979 | ||
24f5a4c7 YW |
980 | /* The private user namespace is disabled, ignoring. */ |
981 | if (uid_shift == 0) | |
982 | continue; | |
983 | ||
c01ff965 LP |
984 | if (uid < uid_shift || uid >= uid_shift + uid_range) |
985 | continue; | |
986 | ||
987 | converted = (uid - uid_shift + uid_base); | |
c077529b | 988 | if (!uid_is_valid(converted)) |
c01ff965 LP |
989 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
990 | ||
991 | o = machine_bus_path(machine); | |
992 | if (!o) | |
993 | return -ENOMEM; | |
994 | ||
995 | return sd_bus_reply_method_return(message, "sou", machine->name, o, (uint32_t) converted); | |
996 | } | |
997 | } | |
998 | ||
999 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "No matching user mapping for " UID_FMT ".", uid); | |
1000 | } | |
1001 | ||
1002 | static int method_map_from_machine_group(sd_bus_message *message, void *groupdata, sd_bus_error *error) { | |
1003 | _cleanup_fclose_ FILE *f = NULL; | |
1004 | Manager *m = groupdata; | |
1005 | const char *name, *p; | |
1006 | Machine *machine; | |
1007 | uint32_t gid; | |
1008 | int r; | |
1009 | ||
1010 | r = sd_bus_message_read(message, "su", &name, &gid); | |
1011 | if (r < 0) | |
1012 | return r; | |
1013 | ||
c077529b | 1014 | if (!gid_is_valid(gid)) |
c01ff965 LP |
1015 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1016 | ||
1017 | machine = hashmap_get(m->machines, name); | |
1018 | if (!machine) | |
1019 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
1020 | ||
a79366e2 LP |
1021 | if (machine->class != MACHINE_CONTAINER) |
1022 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Not supported for non-container machines."); | |
1023 | ||
c01ff965 LP |
1024 | p = procfs_file_alloca(machine->leader, "gid_map"); |
1025 | f = fopen(p, "re"); | |
1026 | if (!f) | |
1027 | return -errno; | |
1028 | ||
1029 | for (;;) { | |
1030 | gid_t gid_base, gid_shift, gid_range, converted; | |
1031 | int k; | |
1032 | ||
1033 | errno = 0; | |
1034 | k = fscanf(f, GID_FMT " " GID_FMT " " GID_FMT, &gid_base, &gid_shift, &gid_range); | |
1035 | if (k < 0 && feof(f)) | |
1036 | break; | |
1037 | if (k != 3) { | |
b3267152 | 1038 | if (ferror(f) && errno > 0) |
c01ff965 LP |
1039 | return -errno; |
1040 | ||
1041 | return -EIO; | |
1042 | } | |
1043 | ||
1044 | if (gid < gid_base || gid >= gid_base + gid_range) | |
1045 | continue; | |
1046 | ||
1047 | converted = gid - gid_base + gid_shift; | |
c077529b | 1048 | if (!gid_is_valid(converted)) |
c01ff965 LP |
1049 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1050 | ||
1051 | return sd_bus_reply_method_return(message, "u", (uint32_t) converted); | |
1052 | } | |
1053 | ||
1054 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "Machine '%s' has no matching group mappings.", name); | |
1055 | } | |
1056 | ||
1057 | static int method_map_to_machine_group(sd_bus_message *message, void *groupdata, sd_bus_error *error) { | |
1058 | Manager *m = groupdata; | |
1059 | Machine *machine; | |
1060 | gid_t gid; | |
1061 | Iterator i; | |
1062 | int r; | |
1063 | ||
1064 | r = sd_bus_message_read(message, "u", &gid); | |
1065 | if (r < 0) | |
1066 | return r; | |
c077529b | 1067 | if (!gid_is_valid(gid)) |
c01ff965 LP |
1068 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1069 | if (gid < 0x10000) | |
1070 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "Group " GID_FMT " belongs to host GID range", gid); | |
1071 | ||
1072 | HASHMAP_FOREACH(machine, m->machines, i) { | |
1073 | _cleanup_fclose_ FILE *f = NULL; | |
fbd0b64f | 1074 | char p[STRLEN("/proc//gid_map") + DECIMAL_STR_MAX(pid_t) + 1]; |
c01ff965 | 1075 | |
a79366e2 LP |
1076 | if (machine->class != MACHINE_CONTAINER) |
1077 | continue; | |
1078 | ||
c01ff965 LP |
1079 | xsprintf(p, "/proc/" GID_FMT "/gid_map", machine->leader); |
1080 | f = fopen(p, "re"); | |
1081 | if (!f) { | |
fe4a1d0f | 1082 | log_warning_errno(errno, "Failed to open %s, ignoring,", p); |
c01ff965 LP |
1083 | continue; |
1084 | } | |
1085 | ||
1086 | for (;;) { | |
1087 | _cleanup_free_ char *o = NULL; | |
1088 | gid_t gid_base, gid_shift, gid_range, converted; | |
1089 | int k; | |
1090 | ||
1091 | errno = 0; | |
1092 | k = fscanf(f, GID_FMT " " GID_FMT " " GID_FMT, &gid_base, &gid_shift, &gid_range); | |
1093 | if (k < 0 && feof(f)) | |
1094 | break; | |
1095 | if (k != 3) { | |
b3267152 | 1096 | if (ferror(f) && errno > 0) |
c01ff965 LP |
1097 | return -errno; |
1098 | ||
1099 | return -EIO; | |
1100 | } | |
1101 | ||
24f5a4c7 YW |
1102 | /* The private user namespace is disabled, ignoring. */ |
1103 | if (gid_shift == 0) | |
1104 | continue; | |
1105 | ||
c01ff965 LP |
1106 | if (gid < gid_shift || gid >= gid_shift + gid_range) |
1107 | continue; | |
1108 | ||
1109 | converted = (gid - gid_shift + gid_base); | |
c077529b | 1110 | if (!gid_is_valid(converted)) |
c01ff965 LP |
1111 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1112 | ||
1113 | o = machine_bus_path(machine); | |
1114 | if (!o) | |
1115 | return -ENOMEM; | |
1116 | ||
1117 | return sd_bus_reply_method_return(message, "sou", machine->name, o, (uint32_t) converted); | |
1118 | } | |
1119 | } | |
1120 | ||
1121 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "No matching group mapping for " GID_FMT ".", gid); | |
1122 | } | |
1123 | ||
c3350683 LP |
1124 | const sd_bus_vtable manager_vtable[] = { |
1125 | SD_BUS_VTABLE_START(0), | |
160e3793 LP |
1126 | SD_BUS_PROPERTY("PoolPath", "s", property_get_pool_path, 0, 0), |
1127 | SD_BUS_PROPERTY("PoolUsage", "t", property_get_pool_usage, 0, 0), | |
1128 | SD_BUS_PROPERTY("PoolLimit", "t", property_get_pool_limit, 0, 0), | |
adacb957 | 1129 | SD_BUS_METHOD("GetMachine", "s", "o", method_get_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
c2ce6a3d | 1130 | SD_BUS_METHOD("GetImage", "s", "o", method_get_image, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
1131 | SD_BUS_METHOD("GetMachineByPID", "u", "o", method_get_machine_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), |
1132 | SD_BUS_METHOD("ListMachines", NULL, "a(ssso)", method_list_machines, SD_BUS_VTABLE_UNPRIVILEGED), | |
b6b18498 | 1133 | SD_BUS_METHOD("ListImages", NULL, "a(ssbttto)", method_list_images, SD_BUS_VTABLE_UNPRIVILEGED), |
c3350683 | 1134 | SD_BUS_METHOD("CreateMachine", "sayssusa(sv)", "o", method_create_machine, 0), |
9b5ed6fe | 1135 | SD_BUS_METHOD("CreateMachineWithNetwork", "sayssusaia(sv)", "o", method_create_machine_with_network, 0), |
8d07a7c4 | 1136 | SD_BUS_METHOD("RegisterMachine", "sayssus", "o", method_register_machine, 0), |
9b5ed6fe | 1137 | SD_BUS_METHOD("RegisterMachineWithNetwork", "sayssusai", "o", method_register_machine_with_network, 0), |
70244d1d LP |
1138 | SD_BUS_METHOD("TerminateMachine", "s", NULL, method_terminate_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
1139 | SD_BUS_METHOD("KillMachine", "ssi", NULL, method_kill_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
3a6fb33c | 1140 | SD_BUS_METHOD("GetMachineAddresses", "s", "a(iay)", method_get_machine_addresses, SD_BUS_VTABLE_UNPRIVILEGED), |
717603e3 | 1141 | SD_BUS_METHOD("GetMachineOSRelease", "s", "a{ss}", method_get_machine_os_release, SD_BUS_VTABLE_UNPRIVILEGED), |
40205d70 | 1142 | SD_BUS_METHOD("OpenMachinePTY", "s", "hs", method_open_machine_pty, 0), |
d04c1fb8 | 1143 | SD_BUS_METHOD("OpenMachineLogin", "s", "hs", method_open_machine_login, SD_BUS_VTABLE_UNPRIVILEGED), |
49af9e13 | 1144 | SD_BUS_METHOD("OpenMachineShell", "sssasas", "hs", method_open_machine_shell, SD_BUS_VTABLE_UNPRIVILEGED), |
70244d1d LP |
1145 | SD_BUS_METHOD("BindMountMachine", "sssbb", NULL, method_bind_mount_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
1146 | SD_BUS_METHOD("CopyFromMachine", "sss", NULL, method_copy_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
1147 | SD_BUS_METHOD("CopyToMachine", "sss", NULL, method_copy_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
ae203207 | 1148 | SD_BUS_METHOD("OpenMachineRootDirectory", "s", "h", method_open_machine_root_directory, SD_BUS_VTABLE_UNPRIVILEGED), |
3401419b | 1149 | SD_BUS_METHOD("GetMachineUIDShift", "s", "u", method_get_machine_uid_shift, SD_BUS_VTABLE_UNPRIVILEGED), |
70244d1d LP |
1150 | SD_BUS_METHOD("RemoveImage", "s", NULL, method_remove_image, SD_BUS_VTABLE_UNPRIVILEGED), |
1151 | SD_BUS_METHOD("RenameImage", "ss", NULL, method_rename_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
1152 | SD_BUS_METHOD("CloneImage", "ssb", NULL, method_clone_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
1153 | SD_BUS_METHOD("MarkImageReadOnly", "sb", NULL, method_mark_image_read_only, SD_BUS_VTABLE_UNPRIVILEGED), | |
cf30a8c1 LP |
1154 | SD_BUS_METHOD("GetImageHostname", "s", "s", method_get_image_hostname, SD_BUS_VTABLE_UNPRIVILEGED), |
1155 | SD_BUS_METHOD("GetImageMachineID", "s", "ay", method_get_image_machine_id, SD_BUS_VTABLE_UNPRIVILEGED), | |
1156 | SD_BUS_METHOD("GetImageMachineInfo", "s", "a{ss}", method_get_image_machine_info, SD_BUS_VTABLE_UNPRIVILEGED), | |
9153b02b | 1157 | SD_BUS_METHOD("GetImageOSRelease", "s", "a{ss}", method_get_image_os_release, SD_BUS_VTABLE_UNPRIVILEGED), |
d6ce17c7 LP |
1158 | SD_BUS_METHOD("SetPoolLimit", "t", NULL, method_set_pool_limit, SD_BUS_VTABLE_UNPRIVILEGED), |
1159 | SD_BUS_METHOD("SetImageLimit", "st", NULL, method_set_image_limit, SD_BUS_VTABLE_UNPRIVILEGED), | |
d94c2b06 | 1160 | SD_BUS_METHOD("CleanPool", "s", "a(st)", method_clean_pool, SD_BUS_VTABLE_UNPRIVILEGED), |
c01ff965 LP |
1161 | SD_BUS_METHOD("MapFromMachineUser", "su", "u", method_map_from_machine_user, SD_BUS_VTABLE_UNPRIVILEGED), |
1162 | SD_BUS_METHOD("MapToMachineUser", "u", "sou", method_map_to_machine_user, SD_BUS_VTABLE_UNPRIVILEGED), | |
1163 | SD_BUS_METHOD("MapFromMachineGroup", "su", "u", method_map_from_machine_group, SD_BUS_VTABLE_UNPRIVILEGED), | |
1164 | SD_BUS_METHOD("MapToMachineGroup", "u", "sou", method_map_to_machine_group, SD_BUS_VTABLE_UNPRIVILEGED), | |
c3350683 LP |
1165 | SD_BUS_SIGNAL("MachineNew", "so", 0), |
1166 | SD_BUS_SIGNAL("MachineRemoved", "so", 0), | |
1167 | SD_BUS_VTABLE_END | |
1168 | }; | |
1ee306e1 | 1169 | |
19070062 | 1170 | int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 1171 | const char *path, *result, *unit; |
1ee306e1 | 1172 | Manager *m = userdata; |
c3350683 LP |
1173 | Machine *machine; |
1174 | uint32_t id; | |
1175 | int r; | |
1ee306e1 | 1176 | |
1ee306e1 | 1177 | assert(message); |
c3350683 | 1178 | assert(m); |
1ee306e1 | 1179 | |
c3350683 LP |
1180 | r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result); |
1181 | if (r < 0) { | |
ebcf1f97 | 1182 | bus_log_parse_error(r); |
65d73cf0 | 1183 | return 0; |
c3350683 | 1184 | } |
6797c324 | 1185 | |
c3350683 LP |
1186 | machine = hashmap_get(m->machine_units, unit); |
1187 | if (!machine) | |
1188 | return 0; | |
6797c324 | 1189 | |
c3350683 | 1190 | if (streq_ptr(path, machine->scope_job)) { |
491ac9f2 | 1191 | machine->scope_job = mfree(machine->scope_job); |
6797c324 | 1192 | |
c3350683 LP |
1193 | if (machine->started) { |
1194 | if (streq(result, "done")) | |
1195 | machine_send_create_reply(machine, NULL); | |
1196 | else { | |
4afd3348 | 1197 | _cleanup_(sd_bus_error_free) sd_bus_error e = SD_BUS_ERROR_NULL; |
6797c324 | 1198 | |
ebcf1f97 | 1199 | sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result); |
6797c324 | 1200 | |
ebcf1f97 | 1201 | machine_send_create_reply(machine, &e); |
c3350683 | 1202 | } |
49f3fffd LP |
1203 | } |
1204 | ||
1205 | machine_save(machine); | |
1ee306e1 LP |
1206 | } |
1207 | ||
c3350683 LP |
1208 | machine_add_to_gc_queue(machine); |
1209 | return 0; | |
1ee306e1 LP |
1210 | } |
1211 | ||
19070062 | 1212 | int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 1213 | _cleanup_free_ char *unit = NULL; |
49f3fffd | 1214 | const char *path; |
c3350683 LP |
1215 | Manager *m = userdata; |
1216 | Machine *machine; | |
ebcf1f97 | 1217 | int r; |
554604b3 | 1218 | |
c3350683 LP |
1219 | assert(message); |
1220 | assert(m); | |
554604b3 | 1221 | |
c3350683 LP |
1222 | path = sd_bus_message_get_path(message); |
1223 | if (!path) | |
554604b3 | 1224 | return 0; |
554604b3 | 1225 | |
ebcf1f97 | 1226 | r = unit_name_from_dbus_path(path, &unit); |
e5f5b5b9 LP |
1227 | if (r == -EINVAL) /* not for a unit */ |
1228 | return 0; | |
9ed794a3 | 1229 | if (r < 0) { |
9b420b3c LP |
1230 | log_oom(); |
1231 | return 0; | |
1232 | } | |
554604b3 | 1233 | |
c3350683 | 1234 | machine = hashmap_get(m->machine_units, unit); |
9b420b3c LP |
1235 | if (!machine) |
1236 | return 0; | |
1237 | ||
9b420b3c | 1238 | machine_add_to_gc_queue(machine); |
c3350683 LP |
1239 | return 0; |
1240 | } | |
554604b3 | 1241 | |
19070062 | 1242 | int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
1243 | const char *path, *unit; |
1244 | Manager *m = userdata; | |
1245 | Machine *machine; | |
1246 | int r; | |
554604b3 | 1247 | |
c3350683 LP |
1248 | assert(message); |
1249 | assert(m); | |
554604b3 | 1250 | |
c3350683 LP |
1251 | r = sd_bus_message_read(message, "so", &unit, &path); |
1252 | if (r < 0) { | |
ebcf1f97 | 1253 | bus_log_parse_error(r); |
9b420b3c | 1254 | return 0; |
554604b3 LP |
1255 | } |
1256 | ||
c3350683 | 1257 | machine = hashmap_get(m->machine_units, unit); |
9b420b3c LP |
1258 | if (!machine) |
1259 | return 0; | |
1260 | ||
9b420b3c | 1261 | machine_add_to_gc_queue(machine); |
c3350683 LP |
1262 | return 0; |
1263 | } | |
554604b3 | 1264 | |
19070062 | 1265 | int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 1266 | Manager *m = userdata; |
a658cafa LP |
1267 | Machine *machine; |
1268 | Iterator i; | |
c3350683 | 1269 | int b, r; |
554604b3 | 1270 | |
19070062 LP |
1271 | assert(message); |
1272 | assert(m); | |
554604b3 | 1273 | |
c3350683 LP |
1274 | r = sd_bus_message_read(message, "b", &b); |
1275 | if (r < 0) { | |
ebcf1f97 | 1276 | bus_log_parse_error(r); |
65d73cf0 | 1277 | return 0; |
554604b3 | 1278 | } |
a658cafa LP |
1279 | if (b) |
1280 | return 0; | |
554604b3 | 1281 | |
a658cafa LP |
1282 | /* systemd finished reloading, let's recheck all our machines */ |
1283 | log_debug("System manager has been reloaded, rechecking machines..."); | |
554604b3 | 1284 | |
a658cafa LP |
1285 | HASHMAP_FOREACH(machine, m->machines, i) |
1286 | machine_add_to_gc_queue(machine); | |
554604b3 LP |
1287 | |
1288 | return 0; | |
1289 | } | |
1290 | ||
1ee306e1 LP |
1291 | int manager_start_scope( |
1292 | Manager *manager, | |
1293 | const char *scope, | |
1294 | pid_t pid, | |
1295 | const char *slice, | |
1296 | const char *description, | |
c3350683 LP |
1297 | sd_bus_message *more_properties, |
1298 | sd_bus_error *error, | |
1ee306e1 LP |
1299 | char **job) { |
1300 | ||
4afd3348 | 1301 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; |
554604b3 | 1302 | int r; |
1ee306e1 LP |
1303 | |
1304 | assert(manager); | |
1305 | assert(scope); | |
1306 | assert(pid > 1); | |
1307 | ||
c3350683 LP |
1308 | r = sd_bus_message_new_method_call( |
1309 | manager->bus, | |
151b9b96 | 1310 | &m, |
1ee306e1 LP |
1311 | "org.freedesktop.systemd1", |
1312 | "/org/freedesktop/systemd1", | |
1313 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 1314 | "StartTransientUnit"); |
c3350683 LP |
1315 | if (r < 0) |
1316 | return r; | |
1ee306e1 | 1317 | |
a658cafa | 1318 | r = sd_bus_message_append(m, "ss", strempty(scope), "fail"); |
c3350683 LP |
1319 | if (r < 0) |
1320 | return r; | |
1ee306e1 | 1321 | |
c3350683 LP |
1322 | r = sd_bus_message_open_container(m, 'a', "(sv)"); |
1323 | if (r < 0) | |
1324 | return r; | |
1ee306e1 LP |
1325 | |
1326 | if (!isempty(slice)) { | |
c3350683 LP |
1327 | r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice); |
1328 | if (r < 0) | |
1329 | return r; | |
1ee306e1 LP |
1330 | } |
1331 | ||
1332 | if (!isempty(description)) { | |
c3350683 LP |
1333 | r = sd_bus_message_append(m, "(sv)", "Description", "s", description); |
1334 | if (r < 0) | |
1335 | return r; | |
1ee306e1 LP |
1336 | } |
1337 | ||
b92d0b4c LP |
1338 | r = sd_bus_message_append(m, "(sv)(sv)(sv)(sv)(sv)", |
1339 | "PIDs", "au", 1, pid, | |
1340 | "Delegate", "b", 1, | |
1341 | "CollectMode", "s", "inactive-or-failed", | |
1342 | "AddRef", "b", 1, | |
1343 | "TasksMax", "t", UINT64_C(16384)); | |
c3350683 LP |
1344 | if (r < 0) |
1345 | return r; | |
554604b3 LP |
1346 | |
1347 | if (more_properties) { | |
c3350683 | 1348 | r = sd_bus_message_copy(m, more_properties, true); |
554604b3 LP |
1349 | if (r < 0) |
1350 | return r; | |
1351 | } | |
1352 | ||
c3350683 LP |
1353 | r = sd_bus_message_close_container(m); |
1354 | if (r < 0) | |
1355 | return r; | |
1ee306e1 | 1356 | |
86b8d289 LP |
1357 | r = sd_bus_message_append(m, "a(sa(sv))", 0); |
1358 | if (r < 0) | |
1359 | return r; | |
1360 | ||
c49b30a2 | 1361 | r = sd_bus_call(manager->bus, m, 0, error, &reply); |
c3350683 LP |
1362 | if (r < 0) |
1363 | return r; | |
1ee306e1 LP |
1364 | |
1365 | if (job) { | |
1366 | const char *j; | |
1367 | char *copy; | |
1368 | ||
c3350683 LP |
1369 | r = sd_bus_message_read(reply, "o", &j); |
1370 | if (r < 0) | |
1371 | return r; | |
1ee306e1 LP |
1372 | |
1373 | copy = strdup(j); | |
1374 | if (!copy) | |
1375 | return -ENOMEM; | |
1376 | ||
1377 | *job = copy; | |
1378 | } | |
1379 | ||
c3350683 | 1380 | return 1; |
1ee306e1 LP |
1381 | } |
1382 | ||
b92d0b4c LP |
1383 | int manager_unref_unit( |
1384 | Manager *m, | |
1385 | const char *unit, | |
1386 | sd_bus_error *error) { | |
1387 | ||
1388 | assert(m); | |
1389 | assert(unit); | |
1390 | ||
1391 | return sd_bus_call_method( | |
1392 | m->bus, | |
1393 | "org.freedesktop.systemd1", | |
1394 | "/org/freedesktop/systemd1", | |
1395 | "org.freedesktop.systemd1.Manager", | |
1396 | "UnrefUnit", | |
1397 | error, | |
1398 | NULL, | |
1399 | "s", | |
1400 | unit); | |
1401 | } | |
1402 | ||
c3350683 | 1403 | int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { |
4afd3348 | 1404 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
1ee306e1 LP |
1405 | int r; |
1406 | ||
1407 | assert(manager); | |
1408 | assert(unit); | |
1409 | ||
c3350683 | 1410 | r = sd_bus_call_method( |
1ee306e1 LP |
1411 | manager->bus, |
1412 | "org.freedesktop.systemd1", | |
1413 | "/org/freedesktop/systemd1", | |
1414 | "org.freedesktop.systemd1.Manager", | |
1415 | "StopUnit", | |
1ee306e1 | 1416 | error, |
c3350683 LP |
1417 | &reply, |
1418 | "ss", unit, "fail"); | |
1ee306e1 | 1419 | if (r < 0) { |
c3350683 LP |
1420 | if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) || |
1421 | sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) { | |
6797c324 LP |
1422 | |
1423 | if (job) | |
1424 | *job = NULL; | |
1425 | ||
c3350683 | 1426 | sd_bus_error_free(error); |
6797c324 LP |
1427 | return 0; |
1428 | } | |
1429 | ||
1ee306e1 LP |
1430 | return r; |
1431 | } | |
1432 | ||
1433 | if (job) { | |
1434 | const char *j; | |
1435 | char *copy; | |
1436 | ||
c3350683 LP |
1437 | r = sd_bus_message_read(reply, "o", &j); |
1438 | if (r < 0) | |
1439 | return r; | |
1ee306e1 LP |
1440 | |
1441 | copy = strdup(j); | |
1442 | if (!copy) | |
1443 | return -ENOMEM; | |
1444 | ||
1445 | *job = copy; | |
1446 | } | |
1447 | ||
6797c324 | 1448 | return 1; |
1ee306e1 LP |
1449 | } |
1450 | ||
de58a50e | 1451 | int manager_kill_unit(Manager *manager, const char *unit, int signo, sd_bus_error *error) { |
1ee306e1 LP |
1452 | assert(manager); |
1453 | assert(unit); | |
1454 | ||
a658cafa | 1455 | return sd_bus_call_method( |
1ee306e1 LP |
1456 | manager->bus, |
1457 | "org.freedesktop.systemd1", | |
1458 | "/org/freedesktop/systemd1", | |
1459 | "org.freedesktop.systemd1.Manager", | |
1460 | "KillUnit", | |
1ee306e1 | 1461 | error, |
a658cafa | 1462 | NULL, |
de58a50e | 1463 | "ssi", unit, "all", signo); |
1ee306e1 LP |
1464 | } |
1465 | ||
1466 | int manager_unit_is_active(Manager *manager, const char *unit) { | |
4afd3348 LP |
1467 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
1468 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
1ee306e1 | 1469 | _cleanup_free_ char *path = NULL; |
1ee306e1 | 1470 | const char *state; |
1ee306e1 LP |
1471 | int r; |
1472 | ||
1473 | assert(manager); | |
1474 | assert(unit); | |
1475 | ||
1ee306e1 LP |
1476 | path = unit_dbus_path_from_name(unit); |
1477 | if (!path) | |
1478 | return -ENOMEM; | |
1479 | ||
c3350683 | 1480 | r = sd_bus_get_property( |
1ee306e1 LP |
1481 | manager->bus, |
1482 | "org.freedesktop.systemd1", | |
1483 | path, | |
c3350683 LP |
1484 | "org.freedesktop.systemd1.Unit", |
1485 | "ActiveState", | |
1ee306e1 | 1486 | &error, |
c3350683 LP |
1487 | &reply, |
1488 | "s"); | |
1ee306e1 | 1489 | if (r < 0) { |
c3350683 LP |
1490 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || |
1491 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
6797c324 | 1492 | return true; |
6797c324 | 1493 | |
c3350683 LP |
1494 | if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) || |
1495 | sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED)) | |
6797c324 | 1496 | return false; |
6797c324 | 1497 | |
1ee306e1 LP |
1498 | return r; |
1499 | } | |
1500 | ||
c3350683 LP |
1501 | r = sd_bus_message_read(reply, "s", &state); |
1502 | if (r < 0) | |
1ee306e1 | 1503 | return -EINVAL; |
1ee306e1 | 1504 | |
9b420b3c | 1505 | return !STR_IN_SET(state, "inactive", "failed"); |
1ee306e1 | 1506 | } |
bd16acf3 | 1507 | |
c3350683 | 1508 | int manager_job_is_active(Manager *manager, const char *path) { |
4afd3348 LP |
1509 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
1510 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
c3350683 | 1511 | int r; |
bd16acf3 | 1512 | |
c3350683 LP |
1513 | assert(manager); |
1514 | assert(path); | |
bd16acf3 | 1515 | |
c3350683 LP |
1516 | r = sd_bus_get_property( |
1517 | manager->bus, | |
1518 | "org.freedesktop.systemd1", | |
1519 | path, | |
1520 | "org.freedesktop.systemd1.Job", | |
1521 | "State", | |
1522 | &error, | |
1523 | &reply, | |
1524 | "s"); | |
1525 | if (r < 0) { | |
1526 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || | |
1527 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
1528 | return true; | |
bd16acf3 | 1529 | |
c3350683 LP |
1530 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT)) |
1531 | return false; | |
bd16acf3 | 1532 | |
bd16acf3 | 1533 | return r; |
c3350683 | 1534 | } |
bd16acf3 | 1535 | |
c3350683 LP |
1536 | /* We don't actually care about the state really. The fact |
1537 | * that we could read the job state is enough for us */ | |
bd16acf3 | 1538 | |
c3350683 | 1539 | return true; |
bd16acf3 | 1540 | } |
ab49725f KS |
1541 | |
1542 | int manager_get_machine_by_pid(Manager *m, pid_t pid, Machine **machine) { | |
ab49725f KS |
1543 | Machine *mm; |
1544 | int r; | |
1545 | ||
1546 | assert(m); | |
1547 | assert(pid >= 1); | |
1548 | assert(machine); | |
1549 | ||
4a0b58c4 | 1550 | mm = hashmap_get(m->machine_leaders, PID_TO_PTR(pid)); |
077c8c36 LP |
1551 | if (!mm) { |
1552 | _cleanup_free_ char *unit = NULL; | |
ab49725f | 1553 | |
077c8c36 LP |
1554 | r = cg_pid_get_unit(pid, &unit); |
1555 | if (r >= 0) | |
1556 | mm = hashmap_get(m->machine_units, unit); | |
1557 | } | |
ab49725f KS |
1558 | if (!mm) |
1559 | return 0; | |
1560 | ||
1561 | *machine = mm; | |
1562 | return 1; | |
1563 | } | |
1564 | ||
1565 | int manager_add_machine(Manager *m, const char *name, Machine **_machine) { | |
1566 | Machine *machine; | |
1567 | ||
1568 | assert(m); | |
1569 | assert(name); | |
1570 | ||
1571 | machine = hashmap_get(m->machines, name); | |
1572 | if (!machine) { | |
fbe55073 | 1573 | machine = machine_new(m, _MACHINE_CLASS_INVALID, name); |
ab49725f KS |
1574 | if (!machine) |
1575 | return -ENOMEM; | |
1576 | } | |
1577 | ||
1578 | if (_machine) | |
1579 | *_machine = machine; | |
1580 | ||
1581 | return 0; | |
1582 | } |