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