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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> | |
1ee306e1 | 4 | #include <unistd.h> |
1ee306e1 | 5 | |
c3350683 | 6 | #include "sd-id128.h" |
3ffd4af2 | 7 | |
b5efdb8a | 8 | #include "alloc-util.h" |
3ffd4af2 | 9 | #include "btrfs-util.h" |
96aad8d1 | 10 | #include "bus-common-errors.h" |
269e4d2d | 11 | #include "bus-polkit.h" |
3ffd4af2 | 12 | #include "bus-util.h" |
23c80348 | 13 | #include "cgroup-util.h" |
66855de7 | 14 | #include "errno-util.h" |
3ffd4af2 | 15 | #include "fd-util.h" |
03c2b288 | 16 | #include "fileio.h" |
f97b34a6 | 17 | #include "format-util.h" |
25300b5a | 18 | #include "hostname-util.h" |
3ffd4af2 | 19 | #include "image-dbus.h" |
a90fb858 | 20 | #include "io-util.h" |
3ffd4af2 | 21 | #include "machine-dbus.h" |
003dffde | 22 | #include "machine-image.h" |
4cee5eed | 23 | #include "machine-pool.h" |
c3350683 | 24 | #include "machined.h" |
204f52e3 | 25 | #include "missing_capability.h" |
3ffd4af2 LP |
26 | #include "path-util.h" |
27 | #include "process-util.h" | |
15a5e950 | 28 | #include "stdio-util.h" |
3ffd4af2 | 29 | #include "strv.h" |
e4de7287 | 30 | #include "tmpfile-util.h" |
3ffd4af2 | 31 | #include "unit-name.h" |
b1d4f8e1 | 32 | #include "user-util.h" |
1ee306e1 | 33 | |
74c308ae | 34 | static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_pool_path, "s", "/var/lib/machines"); |
160e3793 LP |
35 | |
36 | static int property_get_pool_usage( | |
37 | sd_bus *bus, | |
38 | const char *path, | |
39 | const char *interface, | |
40 | const char *property, | |
41 | sd_bus_message *reply, | |
42 | void *userdata, | |
43 | sd_bus_error *error) { | |
44 | ||
45 | _cleanup_close_ int fd = -1; | |
46 | uint64_t usage = (uint64_t) -1; | |
160e3793 LP |
47 | |
48 | assert(bus); | |
49 | assert(reply); | |
50 | ||
160e3793 LP |
51 | fd = open("/var/lib/machines", O_RDONLY|O_CLOEXEC|O_DIRECTORY); |
52 | if (fd >= 0) { | |
53 | BtrfsQuotaInfo q; | |
54 | ||
5bcd08db | 55 | if (btrfs_subvol_get_subtree_quota_fd(fd, 0, &q) >= 0) |
cb81cd80 | 56 | usage = q.referenced; |
160e3793 LP |
57 | } |
58 | ||
160e3793 LP |
59 | return sd_bus_message_append(reply, "t", usage); |
60 | } | |
61 | ||
62 | static int property_get_pool_limit( | |
63 | sd_bus *bus, | |
64 | const char *path, | |
65 | const char *interface, | |
66 | const char *property, | |
67 | sd_bus_message *reply, | |
68 | void *userdata, | |
69 | sd_bus_error *error) { | |
70 | ||
71 | _cleanup_close_ int fd = -1; | |
72 | uint64_t size = (uint64_t) -1; | |
160e3793 LP |
73 | |
74 | assert(bus); | |
75 | assert(reply); | |
76 | ||
160e3793 LP |
77 | fd = open("/var/lib/machines", O_RDONLY|O_CLOEXEC|O_DIRECTORY); |
78 | if (fd >= 0) { | |
79 | BtrfsQuotaInfo q; | |
80 | ||
5bcd08db | 81 | if (btrfs_subvol_get_subtree_quota_fd(fd, 0, &q) >= 0) |
cb81cd80 | 82 | size = q.referenced_max; |
160e3793 LP |
83 | } |
84 | ||
160e3793 LP |
85 | return sd_bus_message_append(reply, "t", size); |
86 | } | |
87 | ||
19070062 | 88 | static int method_get_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
89 | _cleanup_free_ char *p = NULL; |
90 | Manager *m = userdata; | |
91 | Machine *machine; | |
92 | const char *name; | |
93 | int r; | |
94 | ||
c3350683 LP |
95 | assert(message); |
96 | assert(m); | |
97 | ||
98 | r = sd_bus_message_read(message, "s", &name); | |
99 | if (r < 0) | |
ebcf1f97 | 100 | return r; |
c3350683 LP |
101 | |
102 | machine = hashmap_get(m->machines, name); | |
103 | if (!machine) | |
ebcf1f97 | 104 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
c3350683 LP |
105 | |
106 | p = machine_bus_path(machine); | |
107 | if (!p) | |
ebcf1f97 | 108 | return -ENOMEM; |
c3350683 | 109 | |
df2d202e | 110 | return sd_bus_reply_method_return(message, "o", p); |
c3350683 LP |
111 | } |
112 | ||
19070062 | 113 | static int method_get_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c2ce6a3d LP |
114 | _cleanup_free_ char *p = NULL; |
115 | Manager *m = userdata; | |
116 | const char *name; | |
117 | int r; | |
118 | ||
c2ce6a3d LP |
119 | assert(message); |
120 | assert(m); | |
121 | ||
122 | r = sd_bus_message_read(message, "s", &name); | |
123 | if (r < 0) | |
124 | return r; | |
125 | ||
5ef46e5f | 126 | r = image_find(IMAGE_MACHINE, name, NULL); |
3a6ce860 | 127 | if (r == -ENOENT) |
c2ce6a3d LP |
128 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); |
129 | if (r < 0) | |
130 | return r; | |
131 | ||
132 | p = image_bus_path(name); | |
133 | if (!p) | |
134 | return -ENOMEM; | |
135 | ||
136 | return sd_bus_reply_method_return(message, "o", p); | |
137 | } | |
138 | ||
19070062 | 139 | static int method_get_machine_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
140 | _cleanup_free_ char *p = NULL; |
141 | Manager *m = userdata; | |
142 | Machine *machine = NULL; | |
4e724d9c | 143 | pid_t pid; |
c3350683 LP |
144 | int r; |
145 | ||
c3350683 LP |
146 | assert(message); |
147 | assert(m); | |
148 | ||
4e724d9c LP |
149 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
150 | ||
c3350683 LP |
151 | r = sd_bus_message_read(message, "u", &pid); |
152 | if (r < 0) | |
ebcf1f97 | 153 | return r; |
c3350683 | 154 | |
07b38ba5 | 155 | if (pid < 0) |
06820eaf LP |
156 | return -EINVAL; |
157 | ||
4e724d9c | 158 | if (pid == 0) { |
4afd3348 | 159 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
5b12334d LP |
160 | |
161 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
162 | if (r < 0) | |
163 | return r; | |
164 | ||
165 | r = sd_bus_creds_get_pid(creds, &pid); | |
4e724d9c | 166 | if (r < 0) |
ebcf1f97 | 167 | return r; |
4e724d9c LP |
168 | } |
169 | ||
c3350683 LP |
170 | r = manager_get_machine_by_pid(m, pid, &machine); |
171 | if (r < 0) | |
ebcf1f97 | 172 | return r; |
c3350683 | 173 | if (!machine) |
de0671ee | 174 | 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 |
175 | |
176 | p = machine_bus_path(machine); | |
177 | if (!p) | |
ebcf1f97 | 178 | return -ENOMEM; |
c3350683 | 179 | |
df2d202e | 180 | return sd_bus_reply_method_return(message, "o", p); |
c3350683 LP |
181 | } |
182 | ||
19070062 | 183 | static int method_list_machines(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 184 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
c3350683 LP |
185 | Manager *m = userdata; |
186 | Machine *machine; | |
187 | Iterator i; | |
188 | int r; | |
189 | ||
c3350683 LP |
190 | assert(message); |
191 | assert(m); | |
192 | ||
df2d202e | 193 | r = sd_bus_message_new_method_return(message, &reply); |
c3350683 | 194 | if (r < 0) |
ebcf1f97 | 195 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
196 | |
197 | r = sd_bus_message_open_container(reply, 'a', "(ssso)"); | |
198 | if (r < 0) | |
ebcf1f97 | 199 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
200 | |
201 | HASHMAP_FOREACH(machine, m->machines, i) { | |
202 | _cleanup_free_ char *p = NULL; | |
203 | ||
204 | p = machine_bus_path(machine); | |
205 | if (!p) | |
ebcf1f97 | 206 | return -ENOMEM; |
c3350683 LP |
207 | |
208 | r = sd_bus_message_append(reply, "(ssso)", | |
209 | machine->name, | |
210 | strempty(machine_class_to_string(machine->class)), | |
211 | machine->service, | |
212 | p); | |
213 | if (r < 0) | |
ebcf1f97 | 214 | return sd_bus_error_set_errno(error, r); |
c3350683 | 215 | } |
1ee306e1 | 216 | |
c3350683 LP |
217 | r = sd_bus_message_close_container(reply); |
218 | if (r < 0) | |
ebcf1f97 | 219 | return sd_bus_error_set_errno(error, r); |
c3350683 | 220 | |
9030ca46 | 221 | return sd_bus_send(NULL, reply, NULL); |
c3350683 LP |
222 | } |
223 | ||
9b5ed6fe | 224 | static int method_create_or_register_machine(Manager *manager, sd_bus_message *message, bool read_network, Machine **_m, sd_bus_error *error) { |
8aec412f | 225 | const char *name, *service, *class, *root_directory; |
9b5ed6fe | 226 | const int32_t *netif = NULL; |
1ee306e1 LP |
227 | MachineClass c; |
228 | uint32_t leader; | |
229 | sd_id128_t id; | |
c3350683 | 230 | const void *v; |
1ee306e1 | 231 | Machine *m; |
9b5ed6fe | 232 | size_t n, n_netif = 0; |
c3350683 | 233 | int r; |
1ee306e1 | 234 | |
c3350683 | 235 | assert(manager); |
89f7c846 LP |
236 | assert(message); |
237 | assert(_m); | |
1ee306e1 | 238 | |
c3350683 LP |
239 | r = sd_bus_message_read(message, "s", &name); |
240 | if (r < 0) | |
ebcf1f97 | 241 | return r; |
7f0d207d | 242 | if (!machine_name_is_valid(name)) |
ebcf1f97 | 243 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine name"); |
1ee306e1 | 244 | |
c3350683 LP |
245 | r = sd_bus_message_read_array(message, 'y', &v, &n); |
246 | if (r < 0) | |
ebcf1f97 | 247 | return r; |
1ee306e1 LP |
248 | if (n == 0) |
249 | id = SD_ID128_NULL; | |
250 | else if (n == 16) | |
251 | memcpy(&id, v, n); | |
252 | else | |
ebcf1f97 | 253 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine ID parameter"); |
1ee306e1 | 254 | |
c3350683 LP |
255 | r = sd_bus_message_read(message, "ssus", &service, &class, &leader, &root_directory); |
256 | if (r < 0) | |
ebcf1f97 | 257 | return r; |
1ee306e1 | 258 | |
9b5ed6fe LP |
259 | if (read_network) { |
260 | size_t i; | |
261 | ||
262 | r = sd_bus_message_read_array(message, 'i', (const void**) &netif, &n_netif); | |
263 | if (r < 0) | |
264 | return r; | |
265 | ||
266 | n_netif /= sizeof(int32_t); | |
267 | ||
268 | for (i = 0; i < n_netif; i++) { | |
269 | if (netif[i] <= 0) | |
270 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid network interface index %i", netif[i]); | |
271 | } | |
272 | } | |
273 | ||
1ee306e1 LP |
274 | if (isempty(class)) |
275 | c = _MACHINE_CLASS_INVALID; | |
276 | else { | |
277 | c = machine_class_from_string(class); | |
278 | if (c < 0) | |
ebcf1f97 | 279 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine class parameter"); |
1ee306e1 LP |
280 | } |
281 | ||
c3350683 | 282 | if (leader == 1) |
ebcf1f97 | 283 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID"); |
1ee306e1 | 284 | |
c3350683 | 285 | if (!isempty(root_directory) && !path_is_absolute(root_directory)) |
ebcf1f97 | 286 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Root directory must be empty or an absolute path"); |
1ee306e1 | 287 | |
c3350683 | 288 | if (leader == 0) { |
4afd3348 | 289 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
5b12334d LP |
290 | |
291 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
292 | if (r < 0) | |
293 | return r; | |
294 | ||
c3350683 | 295 | assert_cc(sizeof(uint32_t) == sizeof(pid_t)); |
554604b3 | 296 | |
5b12334d | 297 | r = sd_bus_creds_get_pid(creds, (pid_t*) &leader); |
c3350683 | 298 | if (r < 0) |
ebcf1f97 | 299 | return r; |
c3350683 | 300 | } |
554604b3 | 301 | |
1ee306e1 | 302 | if (hashmap_get(manager->machines, name)) |
ebcf1f97 | 303 | return sd_bus_error_setf(error, BUS_ERROR_MACHINE_EXISTS, "Machine '%s' already exists", name); |
1ee306e1 LP |
304 | |
305 | r = manager_add_machine(manager, name, &m); | |
306 | if (r < 0) | |
ebcf1f97 | 307 | return r; |
1ee306e1 LP |
308 | |
309 | m->leader = leader; | |
310 | m->class = c; | |
311 | m->id = id; | |
312 | ||
313 | if (!isempty(service)) { | |
314 | m->service = strdup(service); | |
315 | if (!m->service) { | |
ebcf1f97 | 316 | r = -ENOMEM; |
1ee306e1 LP |
317 | goto fail; |
318 | } | |
319 | } | |
320 | ||
321 | if (!isempty(root_directory)) { | |
322 | m->root_directory = strdup(root_directory); | |
323 | if (!m->root_directory) { | |
ebcf1f97 | 324 | r = -ENOMEM; |
1ee306e1 LP |
325 | goto fail; |
326 | } | |
327 | } | |
328 | ||
9b5ed6fe LP |
329 | if (n_netif > 0) { |
330 | assert_cc(sizeof(int32_t) == sizeof(int)); | |
331 | m->netif = memdup(netif, sizeof(int32_t) * n_netif); | |
332 | if (!m->netif) { | |
333 | r = -ENOMEM; | |
334 | goto fail; | |
335 | } | |
336 | ||
337 | m->n_netif = n_netif; | |
338 | } | |
339 | ||
89f7c846 LP |
340 | *_m = m; |
341 | ||
342 | return 1; | |
343 | ||
344 | fail: | |
345 | machine_add_to_gc_queue(m); | |
346 | return r; | |
347 | } | |
348 | ||
19070062 | 349 | static int method_create_machine_internal(sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) { |
89f7c846 LP |
350 | Manager *manager = userdata; |
351 | Machine *m = NULL; | |
352 | int r; | |
353 | ||
19070062 LP |
354 | assert(message); |
355 | assert(manager); | |
356 | ||
9b5ed6fe | 357 | r = method_create_or_register_machine(manager, message, read_network, &m, error); |
89f7c846 LP |
358 | if (r < 0) |
359 | return r; | |
360 | ||
361 | r = sd_bus_message_enter_container(message, 'a', "(sv)"); | |
362 | if (r < 0) | |
363 | goto fail; | |
364 | ||
ebcf1f97 LP |
365 | r = machine_start(m, message, error); |
366 | if (r < 0) | |
1ee306e1 LP |
367 | goto fail; |
368 | ||
c3350683 | 369 | m->create_message = sd_bus_message_ref(message); |
c3350683 | 370 | return 1; |
1ee306e1 LP |
371 | |
372 | fail: | |
a3e7f417 | 373 | machine_add_to_gc_queue(m); |
89f7c846 LP |
374 | return r; |
375 | } | |
1ee306e1 | 376 | |
19070062 LP |
377 | static int method_create_machine_with_network(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
378 | return method_create_machine_internal(message, true, userdata, error); | |
9b5ed6fe LP |
379 | } |
380 | ||
19070062 LP |
381 | static int method_create_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
382 | return method_create_machine_internal(message, false, userdata, error); | |
9b5ed6fe LP |
383 | } |
384 | ||
19070062 | 385 | static int method_register_machine_internal(sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) { |
89f7c846 LP |
386 | Manager *manager = userdata; |
387 | _cleanup_free_ char *p = NULL; | |
388 | Machine *m = NULL; | |
389 | int r; | |
390 | ||
19070062 LP |
391 | assert(message); |
392 | assert(manager); | |
393 | ||
9b5ed6fe | 394 | r = method_create_or_register_machine(manager, message, read_network, &m, error); |
89f7c846 LP |
395 | if (r < 0) |
396 | return r; | |
397 | ||
398 | r = cg_pid_get_unit(m->leader, &m->unit); | |
399 | if (r < 0) { | |
048c386e ZJS |
400 | r = sd_bus_error_set_errnof(error, r, |
401 | "Failed to determine unit of process "PID_FMT" : %m", | |
402 | m->leader); | |
89f7c846 LP |
403 | goto fail; |
404 | } | |
405 | ||
406 | r = machine_start(m, NULL, error); | |
407 | if (r < 0) | |
408 | goto fail; | |
409 | ||
410 | p = machine_bus_path(m); | |
411 | if (!p) { | |
412 | r = -ENOMEM; | |
413 | goto fail; | |
414 | } | |
415 | ||
416 | return sd_bus_reply_method_return(message, "o", p); | |
417 | ||
418 | fail: | |
419 | machine_add_to_gc_queue(m); | |
1ee306e1 LP |
420 | return r; |
421 | } | |
422 | ||
19070062 LP |
423 | static int method_register_machine_with_network(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
424 | return method_register_machine_internal(message, true, userdata, error); | |
9b5ed6fe LP |
425 | } |
426 | ||
19070062 LP |
427 | static int method_register_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
428 | return method_register_machine_internal(message, false, userdata, error); | |
9b5ed6fe LP |
429 | } |
430 | ||
eecf0181 | 431 | static int redirect_method_to_machine(sd_bus_message *message, Manager *m, sd_bus_error *error, sd_bus_message_handler_t method) { |
c3350683 LP |
432 | Machine *machine; |
433 | const char *name; | |
1ee306e1 LP |
434 | int r; |
435 | ||
1ee306e1 LP |
436 | assert(message); |
437 | assert(m); | |
eecf0181 | 438 | assert(method); |
1ee306e1 | 439 | |
c3350683 LP |
440 | r = sd_bus_message_read(message, "s", &name); |
441 | if (r < 0) | |
ebcf1f97 | 442 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 443 | |
c3350683 LP |
444 | machine = hashmap_get(m->machines, name); |
445 | if (!machine) | |
ebcf1f97 | 446 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
1ee306e1 | 447 | |
eecf0181 | 448 | return method(message, machine, error); |
c3350683 | 449 | } |
1ee306e1 | 450 | |
ef8ff92e ZJS |
451 | static int method_unregister_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
452 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_unregister); | |
453 | } | |
454 | ||
eecf0181 LP |
455 | static int method_terminate_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
456 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_terminate); | |
457 | } | |
1ee306e1 | 458 | |
eecf0181 LP |
459 | static int method_kill_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
460 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_kill); | |
878cd7e9 LP |
461 | } |
462 | ||
19070062 | 463 | static int method_get_machine_addresses(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 464 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_get_addresses); |
c3350683 | 465 | } |
1ee306e1 | 466 | |
19070062 | 467 | static int method_get_machine_os_release(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 468 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_get_os_release); |
717603e3 LP |
469 | } |
470 | ||
19070062 | 471 | static int method_list_images(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 472 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
b07ec5a1 | 473 | _cleanup_hashmap_free_ Hashmap *images = NULL; |
cd61c3bf LP |
474 | Manager *m = userdata; |
475 | Image *image; | |
476 | Iterator i; | |
477 | int r; | |
478 | ||
cd61c3bf LP |
479 | assert(message); |
480 | assert(m); | |
481 | ||
b07ec5a1 | 482 | images = hashmap_new(&image_hash_ops); |
cd61c3bf LP |
483 | if (!images) |
484 | return -ENOMEM; | |
485 | ||
5ef46e5f | 486 | r = image_discover(IMAGE_MACHINE, images); |
cd61c3bf LP |
487 | if (r < 0) |
488 | return r; | |
489 | ||
490 | r = sd_bus_message_new_method_return(message, &reply); | |
491 | if (r < 0) | |
492 | return r; | |
493 | ||
b6b18498 | 494 | r = sd_bus_message_open_container(reply, 'a', "(ssbttto)"); |
cd61c3bf LP |
495 | if (r < 0) |
496 | return r; | |
497 | ||
498 | HASHMAP_FOREACH(image, images, i) { | |
499 | _cleanup_free_ char *p = NULL; | |
500 | ||
501 | p = image_bus_path(image->name); | |
502 | if (!p) | |
503 | return -ENOMEM; | |
504 | ||
b6b18498 | 505 | r = sd_bus_message_append(reply, "(ssbttto)", |
cd61c3bf LP |
506 | image->name, |
507 | image_type_to_string(image->type), | |
508 | image->read_only, | |
10f9c755 LP |
509 | image->crtime, |
510 | image->mtime, | |
c19de711 | 511 | image->usage, |
cd61c3bf LP |
512 | p); |
513 | if (r < 0) | |
514 | return r; | |
515 | } | |
516 | ||
517 | r = sd_bus_message_close_container(reply); | |
518 | if (r < 0) | |
519 | return r; | |
520 | ||
9030ca46 | 521 | return sd_bus_send(NULL, reply, NULL); |
cd61c3bf LP |
522 | } |
523 | ||
19070062 | 524 | static int method_open_machine_pty(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 525 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_open_pty); |
40205d70 LP |
526 | } |
527 | ||
19070062 | 528 | static int method_open_machine_login(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 529 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_open_login); |
5f8cc96a LP |
530 | } |
531 | ||
49af9e13 | 532 | static int method_open_machine_shell(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 533 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_open_shell); |
49af9e13 LP |
534 | } |
535 | ||
19070062 | 536 | static int method_bind_mount_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 537 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_bind_mount); |
90adaa25 LP |
538 | } |
539 | ||
19070062 | 540 | static int method_copy_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 541 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_copy); |
0370612e LP |
542 | } |
543 | ||
ae203207 | 544 | static int method_open_machine_root_directory(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 545 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_open_root_directory); |
ae203207 LP |
546 | } |
547 | ||
3401419b | 548 | static int method_get_machine_uid_shift(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 549 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_get_uid_shift); |
3401419b LP |
550 | } |
551 | ||
9b06c1e1 | 552 | static int redirect_method_to_image(sd_bus_message *message, Manager *m, sd_bus_error *error, sd_bus_message_handler_t method) { |
08682124 LP |
553 | _cleanup_(image_unrefp) Image* i = NULL; |
554 | const char *name; | |
555 | int r; | |
556 | ||
08682124 | 557 | assert(message); |
9b06c1e1 LP |
558 | assert(m); |
559 | assert(method); | |
08682124 LP |
560 | |
561 | r = sd_bus_message_read(message, "s", &name); | |
562 | if (r < 0) | |
563 | return r; | |
564 | ||
565 | if (!image_name_is_valid(name)) | |
566 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
567 | ||
5ef46e5f | 568 | r = image_find(IMAGE_MACHINE, name, &i); |
3a6ce860 LP |
569 | if (r == -ENOENT) |
570 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
08682124 LP |
571 | if (r < 0) |
572 | return r; | |
08682124 | 573 | |
9b06c1e1 LP |
574 | i->userdata = m; |
575 | return method(message, i, error); | |
08682124 LP |
576 | } |
577 | ||
9b06c1e1 LP |
578 | static int method_remove_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
579 | return redirect_method_to_image(message, userdata, error, bus_image_method_remove); | |
580 | } | |
ebd93cb6 | 581 | |
9b06c1e1 LP |
582 | static int method_rename_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
583 | return redirect_method_to_image(message, userdata, error, bus_image_method_rename); | |
ebd93cb6 LP |
584 | } |
585 | ||
19070062 | 586 | static int method_clone_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
9b06c1e1 | 587 | return redirect_method_to_image(message, userdata, error, bus_image_method_clone); |
ebd93cb6 LP |
588 | } |
589 | ||
19070062 | 590 | static int method_mark_image_read_only(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
9b06c1e1 | 591 | return redirect_method_to_image(message, userdata, error, bus_image_method_mark_read_only); |
ebd93cb6 LP |
592 | } |
593 | ||
cf30a8c1 | 594 | static int method_get_image_hostname(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
9b06c1e1 | 595 | return redirect_method_to_image(message, userdata, error, bus_image_method_get_hostname); |
cf30a8c1 LP |
596 | } |
597 | ||
598 | static int method_get_image_machine_id(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
9b06c1e1 | 599 | return redirect_method_to_image(message, userdata, error, bus_image_method_get_machine_id); |
cf30a8c1 LP |
600 | } |
601 | ||
602 | static int method_get_image_machine_info(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
9b06c1e1 | 603 | return redirect_method_to_image(message, userdata, error, bus_image_method_get_machine_info); |
cf30a8c1 LP |
604 | } |
605 | ||
9153b02b | 606 | static int method_get_image_os_release(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
9b06c1e1 | 607 | return redirect_method_to_image(message, userdata, error, bus_image_method_get_os_release); |
9153b02b LP |
608 | } |
609 | ||
03c2b288 LP |
610 | static int clean_pool_done(Operation *operation, int ret, sd_bus_error *error) { |
611 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
612 | _cleanup_fclose_ FILE *f = NULL; | |
613 | bool success; | |
614 | size_t n; | |
615 | int r; | |
616 | ||
617 | assert(operation); | |
618 | assert(operation->extra_fd >= 0); | |
619 | ||
620 | if (lseek(operation->extra_fd, 0, SEEK_SET) == (off_t) -1) | |
621 | return -errno; | |
622 | ||
e92aaed3 | 623 | f = fdopen(operation->extra_fd, "r"); |
03c2b288 LP |
624 | if (!f) |
625 | return -errno; | |
626 | ||
627 | operation->extra_fd = -1; | |
628 | ||
629 | /* The resulting temporary file starts with a boolean value that indicates success or not. */ | |
630 | errno = 0; | |
631 | n = fread(&success, 1, sizeof(success), f); | |
632 | if (n != sizeof(success)) | |
66855de7 | 633 | return ret < 0 ? ret : errno_or_else(EIO); |
03c2b288 LP |
634 | |
635 | if (ret < 0) { | |
636 | _cleanup_free_ char *name = NULL; | |
637 | ||
638 | /* The clean-up operation failed. In this case the resulting temporary file should contain a boolean | |
639 | * set to false followed by the name of the failed image. Let's try to read this and use it for the | |
640 | * error message. If we can't read it, don't mind, and return the naked error. */ | |
641 | ||
642 | if (success) /* The resulting temporary file could not be updated, ignore it. */ | |
643 | return ret; | |
644 | ||
41f11239 LP |
645 | r = read_nul_string(f, LONG_LINE_MAX, &name); |
646 | if (r <= 0) /* Same here... */ | |
03c2b288 LP |
647 | return ret; |
648 | ||
649 | return sd_bus_error_set_errnof(error, ret, "Failed to remove image %s: %m", name); | |
650 | } | |
651 | ||
652 | assert(success); | |
653 | ||
654 | r = sd_bus_message_new_method_return(operation->message, &reply); | |
655 | if (r < 0) | |
656 | return r; | |
657 | ||
658 | r = sd_bus_message_open_container(reply, 'a', "(st)"); | |
659 | if (r < 0) | |
660 | return r; | |
661 | ||
662 | /* On success the resulting temporary file will contain a list of image names that were removed followed by | |
663 | * their size on disk. Let's read that and turn it into a bus message. */ | |
664 | for (;;) { | |
665 | _cleanup_free_ char *name = NULL; | |
666 | uint64_t size; | |
667 | ||
41f11239 | 668 | r = read_nul_string(f, LONG_LINE_MAX, &name); |
03c2b288 LP |
669 | if (r < 0) |
670 | return r; | |
41f11239 | 671 | if (r == 0) /* reached the end */ |
03c2b288 LP |
672 | break; |
673 | ||
674 | errno = 0; | |
675 | n = fread(&size, 1, sizeof(size), f); | |
676 | if (n != sizeof(size)) | |
66855de7 | 677 | return errno_or_else(EIO); |
03c2b288 LP |
678 | |
679 | r = sd_bus_message_append(reply, "(st)", name, size); | |
680 | if (r < 0) | |
681 | return r; | |
682 | } | |
683 | ||
684 | r = sd_bus_message_close_container(reply); | |
685 | if (r < 0) | |
686 | return r; | |
687 | ||
688 | return sd_bus_send(NULL, reply, NULL); | |
689 | } | |
690 | ||
d94c2b06 LP |
691 | static int method_clean_pool(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
692 | enum { | |
693 | REMOVE_ALL, | |
694 | REMOVE_HIDDEN, | |
695 | } mode; | |
696 | ||
03c2b288 LP |
697 | _cleanup_close_pair_ int errno_pipe_fd[2] = { -1, -1 }; |
698 | _cleanup_close_ int result_fd = -1; | |
d94c2b06 | 699 | Manager *m = userdata; |
03c2b288 | 700 | Operation *operation; |
d94c2b06 | 701 | const char *mm; |
03c2b288 | 702 | pid_t child; |
d94c2b06 LP |
703 | int r; |
704 | ||
705 | assert(message); | |
706 | ||
03c2b288 LP |
707 | if (m->n_operations >= OPERATIONS_MAX) |
708 | return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Too many ongoing operations."); | |
709 | ||
d94c2b06 LP |
710 | r = sd_bus_message_read(message, "s", &mm); |
711 | if (r < 0) | |
712 | return r; | |
713 | ||
714 | if (streq(mm, "all")) | |
715 | mode = REMOVE_ALL; | |
716 | else if (streq(mm, "hidden")) | |
717 | mode = REMOVE_HIDDEN; | |
718 | else | |
719 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown mode '%s'.", mm); | |
720 | ||
721 | r = bus_verify_polkit_async( | |
722 | message, | |
723 | CAP_SYS_ADMIN, | |
724 | "org.freedesktop.machine1.manage-machines", | |
725 | NULL, | |
726 | false, | |
727 | UID_INVALID, | |
728 | &m->polkit_registry, | |
729 | error); | |
730 | if (r < 0) | |
731 | return r; | |
732 | if (r == 0) | |
733 | return 1; /* Will call us back */ | |
734 | ||
03c2b288 LP |
735 | if (pipe2(errno_pipe_fd, O_CLOEXEC|O_NONBLOCK) < 0) |
736 | return sd_bus_error_set_errnof(error, errno, "Failed to create pipe: %m"); | |
d94c2b06 | 737 | |
03c2b288 LP |
738 | /* Create a temporary file we can dump information about deleted images into. We use a temporary file for this |
739 | * instead of a pipe or so, since this might grow quit large in theory and we don't want to process this | |
595bfe7d | 740 | * continuously */ |
992e8f22 | 741 | result_fd = open_tmpfile_unlinkable(NULL, O_RDWR|O_CLOEXEC); |
03c2b288 LP |
742 | if (result_fd < 0) |
743 | return -errno; | |
d94c2b06 | 744 | |
03c2b288 | 745 | /* This might be a slow operation, run it asynchronously in a background process */ |
4c253ed1 LP |
746 | r = safe_fork("(sd-clean)", FORK_RESET_SIGNALS, &child); |
747 | if (r < 0) | |
748 | return sd_bus_error_set_errnof(error, r, "Failed to fork(): %m"); | |
749 | if (r == 0) { | |
b07ec5a1 | 750 | _cleanup_hashmap_free_ Hashmap *images = NULL; |
03c2b288 LP |
751 | bool success = true; |
752 | Image *image; | |
753 | Iterator i; | |
754 | ssize_t l; | |
d94c2b06 | 755 | |
03c2b288 | 756 | errno_pipe_fd[0] = safe_close(errno_pipe_fd[0]); |
d94c2b06 | 757 | |
b07ec5a1 | 758 | images = hashmap_new(&image_hash_ops); |
03c2b288 LP |
759 | if (!images) { |
760 | r = -ENOMEM; | |
761 | goto child_fail; | |
762 | } | |
d94c2b06 | 763 | |
5ef46e5f | 764 | r = image_discover(IMAGE_MACHINE, images); |
03c2b288 LP |
765 | if (r < 0) |
766 | goto child_fail; | |
d94c2b06 | 767 | |
03c2b288 LP |
768 | l = write(result_fd, &success, sizeof(success)); |
769 | if (l < 0) { | |
770 | r = -errno; | |
771 | goto child_fail; | |
772 | } | |
d94c2b06 | 773 | |
03c2b288 LP |
774 | HASHMAP_FOREACH(image, images, i) { |
775 | ||
776 | /* We can't remove vendor images (i.e. those in /usr) */ | |
777 | if (IMAGE_IS_VENDOR(image)) | |
778 | continue; | |
779 | ||
780 | if (IMAGE_IS_HOST(image)) | |
781 | continue; | |
782 | ||
783 | if (mode == REMOVE_HIDDEN && !IMAGE_IS_HIDDEN(image)) | |
784 | continue; | |
785 | ||
786 | r = image_remove(image); | |
787 | if (r == -EBUSY) /* keep images that are currently being used. */ | |
788 | continue; | |
789 | if (r < 0) { | |
790 | /* If the operation failed, let's override everything we wrote, and instead write there at which image we failed. */ | |
791 | success = false; | |
792 | (void) ftruncate(result_fd, 0); | |
793 | (void) lseek(result_fd, 0, SEEK_SET); | |
794 | (void) write(result_fd, &success, sizeof(success)); | |
795 | (void) write(result_fd, image->name, strlen(image->name)+1); | |
796 | goto child_fail; | |
797 | } | |
798 | ||
799 | l = write(result_fd, image->name, strlen(image->name)+1); | |
800 | if (l < 0) { | |
801 | r = -errno; | |
802 | goto child_fail; | |
803 | } | |
804 | ||
805 | l = write(result_fd, &image->usage_exclusive, sizeof(image->usage_exclusive)); | |
806 | if (l < 0) { | |
807 | r = -errno; | |
808 | goto child_fail; | |
809 | } | |
810 | } | |
d94c2b06 | 811 | |
03c2b288 LP |
812 | result_fd = safe_close(result_fd); |
813 | _exit(EXIT_SUCCESS); | |
814 | ||
815 | child_fail: | |
816 | (void) write(errno_pipe_fd[1], &r, sizeof(r)); | |
817 | _exit(EXIT_FAILURE); | |
d94c2b06 LP |
818 | } |
819 | ||
03c2b288 LP |
820 | errno_pipe_fd[1] = safe_close(errno_pipe_fd[1]); |
821 | ||
822 | /* The clean-up might take a while, hence install a watch on the child and return */ | |
823 | ||
824 | r = operation_new(m, NULL, child, message, errno_pipe_fd[0], &operation); | |
825 | if (r < 0) { | |
826 | (void) sigkill_wait(child); | |
d94c2b06 | 827 | return r; |
03c2b288 | 828 | } |
d94c2b06 | 829 | |
03c2b288 LP |
830 | operation->extra_fd = result_fd; |
831 | operation->done = clean_pool_done; | |
832 | ||
833 | result_fd = -1; | |
834 | errno_pipe_fd[0] = -1; | |
835 | ||
836 | return 1; | |
d94c2b06 LP |
837 | } |
838 | ||
19070062 | 839 | static int method_set_pool_limit(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
d6ce17c7 LP |
840 | Manager *m = userdata; |
841 | uint64_t limit; | |
842 | int r; | |
843 | ||
19070062 LP |
844 | assert(message); |
845 | ||
d6ce17c7 LP |
846 | r = sd_bus_message_read(message, "t", &limit); |
847 | if (r < 0) | |
848 | return r; | |
a90fb858 LP |
849 | if (!FILE_SIZE_VALID_OR_INFINITY(limit)) |
850 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "New limit out of range"); | |
d6ce17c7 LP |
851 | |
852 | r = bus_verify_polkit_async( | |
853 | message, | |
854 | CAP_SYS_ADMIN, | |
855 | "org.freedesktop.machine1.manage-machines", | |
403ed0e5 | 856 | NULL, |
d6ce17c7 LP |
857 | false, |
858 | UID_INVALID, | |
859 | &m->polkit_registry, | |
860 | error); | |
861 | if (r < 0) | |
862 | return r; | |
863 | if (r == 0) | |
864 | return 1; /* Will call us back */ | |
865 | ||
4cee5eed | 866 | /* Set up the machine directory if necessary */ |
5f7ecd61 | 867 | r = setup_machine_directory(error); |
4cee5eed LP |
868 | if (r < 0) |
869 | return r; | |
870 | ||
5bcd08db LP |
871 | (void) btrfs_qgroup_set_limit("/var/lib/machines", 0, limit); |
872 | ||
873 | r = btrfs_subvol_set_subtree_quota_limit("/var/lib/machines", 0, limit); | |
d6ce17c7 LP |
874 | if (r == -ENOTTY) |
875 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Quota is only supported on btrfs."); | |
26166c88 | 876 | if (r < 0) |
d6ce17c7 LP |
877 | return sd_bus_error_set_errnof(error, r, "Failed to adjust quota limit: %m"); |
878 | ||
879 | return sd_bus_reply_method_return(message, NULL); | |
880 | } | |
881 | ||
19070062 | 882 | static int method_set_image_limit(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
9b06c1e1 | 883 | return redirect_method_to_image(message, userdata, error, bus_image_method_set_limit); |
d6ce17c7 LP |
884 | } |
885 | ||
c01ff965 LP |
886 | static int method_map_from_machine_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
887 | _cleanup_fclose_ FILE *f = NULL; | |
888 | Manager *m = userdata; | |
889 | const char *name, *p; | |
890 | Machine *machine; | |
891 | uint32_t uid; | |
892 | int r; | |
893 | ||
894 | r = sd_bus_message_read(message, "su", &name, &uid); | |
895 | if (r < 0) | |
896 | return r; | |
897 | ||
c077529b | 898 | if (!uid_is_valid(uid)) |
c01ff965 LP |
899 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
900 | ||
901 | machine = hashmap_get(m->machines, name); | |
902 | if (!machine) | |
903 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
904 | ||
a79366e2 LP |
905 | if (machine->class != MACHINE_CONTAINER) |
906 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Not supported for non-container machines."); | |
907 | ||
c01ff965 LP |
908 | p = procfs_file_alloca(machine->leader, "uid_map"); |
909 | f = fopen(p, "re"); | |
910 | if (!f) | |
911 | return -errno; | |
912 | ||
913 | for (;;) { | |
914 | uid_t uid_base, uid_shift, uid_range, converted; | |
915 | int k; | |
916 | ||
917 | errno = 0; | |
918 | k = fscanf(f, UID_FMT " " UID_FMT " " UID_FMT, &uid_base, &uid_shift, &uid_range); | |
919 | if (k < 0 && feof(f)) | |
920 | break; | |
921 | if (k != 3) { | |
66855de7 LP |
922 | if (ferror(f)) |
923 | return errno_or_else(EIO); | |
c01ff965 LP |
924 | |
925 | return -EIO; | |
926 | } | |
927 | ||
928 | if (uid < uid_base || uid >= uid_base + uid_range) | |
929 | continue; | |
930 | ||
931 | converted = uid - uid_base + uid_shift; | |
c077529b | 932 | if (!uid_is_valid(converted)) |
c01ff965 LP |
933 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
934 | ||
935 | return sd_bus_reply_method_return(message, "u", (uint32_t) converted); | |
936 | } | |
937 | ||
938 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "Machine '%s' has no matching user mappings.", name); | |
939 | } | |
940 | ||
941 | static int method_map_to_machine_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
942 | Manager *m = userdata; | |
943 | Machine *machine; | |
944 | uid_t uid; | |
945 | Iterator i; | |
946 | int r; | |
947 | ||
948 | r = sd_bus_message_read(message, "u", &uid); | |
949 | if (r < 0) | |
950 | return r; | |
c077529b | 951 | if (!uid_is_valid(uid)) |
c01ff965 LP |
952 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
953 | if (uid < 0x10000) | |
954 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "User " UID_FMT " belongs to host UID range", uid); | |
955 | ||
956 | HASHMAP_FOREACH(machine, m->machines, i) { | |
957 | _cleanup_fclose_ FILE *f = NULL; | |
fbd0b64f | 958 | char p[STRLEN("/proc//uid_map") + DECIMAL_STR_MAX(pid_t) + 1]; |
c01ff965 | 959 | |
a79366e2 LP |
960 | if (machine->class != MACHINE_CONTAINER) |
961 | continue; | |
962 | ||
c01ff965 LP |
963 | xsprintf(p, "/proc/" UID_FMT "/uid_map", machine->leader); |
964 | f = fopen(p, "re"); | |
965 | if (!f) { | |
fe4a1d0f | 966 | log_warning_errno(errno, "Failed to open %s, ignoring,", p); |
c01ff965 LP |
967 | continue; |
968 | } | |
969 | ||
970 | for (;;) { | |
971 | _cleanup_free_ char *o = NULL; | |
972 | uid_t uid_base, uid_shift, uid_range, converted; | |
973 | int k; | |
974 | ||
975 | errno = 0; | |
976 | k = fscanf(f, UID_FMT " " UID_FMT " " UID_FMT, &uid_base, &uid_shift, &uid_range); | |
977 | if (k < 0 && feof(f)) | |
978 | break; | |
979 | if (k != 3) { | |
66855de7 LP |
980 | if (ferror(f)) |
981 | return errno_or_else(EIO); | |
c01ff965 LP |
982 | |
983 | return -EIO; | |
984 | } | |
985 | ||
24f5a4c7 YW |
986 | /* The private user namespace is disabled, ignoring. */ |
987 | if (uid_shift == 0) | |
988 | continue; | |
989 | ||
c01ff965 LP |
990 | if (uid < uid_shift || uid >= uid_shift + uid_range) |
991 | continue; | |
992 | ||
993 | converted = (uid - uid_shift + uid_base); | |
c077529b | 994 | if (!uid_is_valid(converted)) |
c01ff965 LP |
995 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
996 | ||
997 | o = machine_bus_path(machine); | |
998 | if (!o) | |
999 | return -ENOMEM; | |
1000 | ||
1001 | return sd_bus_reply_method_return(message, "sou", machine->name, o, (uint32_t) converted); | |
1002 | } | |
1003 | } | |
1004 | ||
1005 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "No matching user mapping for " UID_FMT ".", uid); | |
1006 | } | |
1007 | ||
1008 | static int method_map_from_machine_group(sd_bus_message *message, void *groupdata, sd_bus_error *error) { | |
1009 | _cleanup_fclose_ FILE *f = NULL; | |
1010 | Manager *m = groupdata; | |
1011 | const char *name, *p; | |
1012 | Machine *machine; | |
1013 | uint32_t gid; | |
1014 | int r; | |
1015 | ||
1016 | r = sd_bus_message_read(message, "su", &name, &gid); | |
1017 | if (r < 0) | |
1018 | return r; | |
1019 | ||
c077529b | 1020 | if (!gid_is_valid(gid)) |
c01ff965 LP |
1021 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1022 | ||
1023 | machine = hashmap_get(m->machines, name); | |
1024 | if (!machine) | |
1025 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
1026 | ||
a79366e2 LP |
1027 | if (machine->class != MACHINE_CONTAINER) |
1028 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Not supported for non-container machines."); | |
1029 | ||
c01ff965 LP |
1030 | p = procfs_file_alloca(machine->leader, "gid_map"); |
1031 | f = fopen(p, "re"); | |
1032 | if (!f) | |
1033 | return -errno; | |
1034 | ||
1035 | for (;;) { | |
1036 | gid_t gid_base, gid_shift, gid_range, converted; | |
1037 | int k; | |
1038 | ||
1039 | errno = 0; | |
1040 | k = fscanf(f, GID_FMT " " GID_FMT " " GID_FMT, &gid_base, &gid_shift, &gid_range); | |
1041 | if (k < 0 && feof(f)) | |
1042 | break; | |
1043 | if (k != 3) { | |
66855de7 LP |
1044 | if (ferror(f)) |
1045 | return errno_or_else(EIO); | |
c01ff965 LP |
1046 | |
1047 | return -EIO; | |
1048 | } | |
1049 | ||
1050 | if (gid < gid_base || gid >= gid_base + gid_range) | |
1051 | continue; | |
1052 | ||
1053 | converted = gid - gid_base + gid_shift; | |
c077529b | 1054 | if (!gid_is_valid(converted)) |
c01ff965 LP |
1055 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1056 | ||
1057 | return sd_bus_reply_method_return(message, "u", (uint32_t) converted); | |
1058 | } | |
1059 | ||
1060 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "Machine '%s' has no matching group mappings.", name); | |
1061 | } | |
1062 | ||
1063 | static int method_map_to_machine_group(sd_bus_message *message, void *groupdata, sd_bus_error *error) { | |
1064 | Manager *m = groupdata; | |
1065 | Machine *machine; | |
1066 | gid_t gid; | |
1067 | Iterator i; | |
1068 | int r; | |
1069 | ||
1070 | r = sd_bus_message_read(message, "u", &gid); | |
1071 | if (r < 0) | |
1072 | return r; | |
c077529b | 1073 | if (!gid_is_valid(gid)) |
c01ff965 LP |
1074 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1075 | if (gid < 0x10000) | |
1076 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "Group " GID_FMT " belongs to host GID range", gid); | |
1077 | ||
1078 | HASHMAP_FOREACH(machine, m->machines, i) { | |
1079 | _cleanup_fclose_ FILE *f = NULL; | |
fbd0b64f | 1080 | char p[STRLEN("/proc//gid_map") + DECIMAL_STR_MAX(pid_t) + 1]; |
c01ff965 | 1081 | |
a79366e2 LP |
1082 | if (machine->class != MACHINE_CONTAINER) |
1083 | continue; | |
1084 | ||
c01ff965 LP |
1085 | xsprintf(p, "/proc/" GID_FMT "/gid_map", machine->leader); |
1086 | f = fopen(p, "re"); | |
1087 | if (!f) { | |
fe4a1d0f | 1088 | log_warning_errno(errno, "Failed to open %s, ignoring,", p); |
c01ff965 LP |
1089 | continue; |
1090 | } | |
1091 | ||
1092 | for (;;) { | |
1093 | _cleanup_free_ char *o = NULL; | |
1094 | gid_t gid_base, gid_shift, gid_range, converted; | |
1095 | int k; | |
1096 | ||
1097 | errno = 0; | |
1098 | k = fscanf(f, GID_FMT " " GID_FMT " " GID_FMT, &gid_base, &gid_shift, &gid_range); | |
1099 | if (k < 0 && feof(f)) | |
1100 | break; | |
1101 | if (k != 3) { | |
66855de7 LP |
1102 | if (ferror(f)) |
1103 | return errno_or_else(EIO); | |
c01ff965 LP |
1104 | |
1105 | return -EIO; | |
1106 | } | |
1107 | ||
24f5a4c7 YW |
1108 | /* The private user namespace is disabled, ignoring. */ |
1109 | if (gid_shift == 0) | |
1110 | continue; | |
1111 | ||
c01ff965 LP |
1112 | if (gid < gid_shift || gid >= gid_shift + gid_range) |
1113 | continue; | |
1114 | ||
1115 | converted = (gid - gid_shift + gid_base); | |
c077529b | 1116 | if (!gid_is_valid(converted)) |
c01ff965 LP |
1117 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1118 | ||
1119 | o = machine_bus_path(machine); | |
1120 | if (!o) | |
1121 | return -ENOMEM; | |
1122 | ||
1123 | return sd_bus_reply_method_return(message, "sou", machine->name, o, (uint32_t) converted); | |
1124 | } | |
1125 | } | |
1126 | ||
1127 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "No matching group mapping for " GID_FMT ".", gid); | |
1128 | } | |
1129 | ||
c3350683 LP |
1130 | const sd_bus_vtable manager_vtable[] = { |
1131 | SD_BUS_VTABLE_START(0), | |
160e3793 LP |
1132 | SD_BUS_PROPERTY("PoolPath", "s", property_get_pool_path, 0, 0), |
1133 | SD_BUS_PROPERTY("PoolUsage", "t", property_get_pool_usage, 0, 0), | |
1134 | SD_BUS_PROPERTY("PoolLimit", "t", property_get_pool_limit, 0, 0), | |
adacb957 | 1135 | SD_BUS_METHOD("GetMachine", "s", "o", method_get_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
c2ce6a3d | 1136 | SD_BUS_METHOD("GetImage", "s", "o", method_get_image, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
1137 | SD_BUS_METHOD("GetMachineByPID", "u", "o", method_get_machine_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), |
1138 | SD_BUS_METHOD("ListMachines", NULL, "a(ssso)", method_list_machines, SD_BUS_VTABLE_UNPRIVILEGED), | |
b6b18498 | 1139 | SD_BUS_METHOD("ListImages", NULL, "a(ssbttto)", method_list_images, SD_BUS_VTABLE_UNPRIVILEGED), |
c3350683 | 1140 | SD_BUS_METHOD("CreateMachine", "sayssusa(sv)", "o", method_create_machine, 0), |
9b5ed6fe | 1141 | SD_BUS_METHOD("CreateMachineWithNetwork", "sayssusaia(sv)", "o", method_create_machine_with_network, 0), |
8d07a7c4 | 1142 | SD_BUS_METHOD("RegisterMachine", "sayssus", "o", method_register_machine, 0), |
9b5ed6fe | 1143 | SD_BUS_METHOD("RegisterMachineWithNetwork", "sayssusai", "o", method_register_machine_with_network, 0), |
ef8ff92e | 1144 | SD_BUS_METHOD("UnregisterMachine", "s", NULL, method_unregister_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
70244d1d LP |
1145 | SD_BUS_METHOD("TerminateMachine", "s", NULL, method_terminate_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
1146 | SD_BUS_METHOD("KillMachine", "ssi", NULL, method_kill_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
3a6fb33c | 1147 | SD_BUS_METHOD("GetMachineAddresses", "s", "a(iay)", method_get_machine_addresses, SD_BUS_VTABLE_UNPRIVILEGED), |
717603e3 | 1148 | SD_BUS_METHOD("GetMachineOSRelease", "s", "a{ss}", method_get_machine_os_release, SD_BUS_VTABLE_UNPRIVILEGED), |
40205d70 | 1149 | SD_BUS_METHOD("OpenMachinePTY", "s", "hs", method_open_machine_pty, 0), |
d04c1fb8 | 1150 | SD_BUS_METHOD("OpenMachineLogin", "s", "hs", method_open_machine_login, SD_BUS_VTABLE_UNPRIVILEGED), |
49af9e13 | 1151 | SD_BUS_METHOD("OpenMachineShell", "sssasas", "hs", method_open_machine_shell, SD_BUS_VTABLE_UNPRIVILEGED), |
70244d1d LP |
1152 | SD_BUS_METHOD("BindMountMachine", "sssbb", NULL, method_bind_mount_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
1153 | SD_BUS_METHOD("CopyFromMachine", "sss", NULL, method_copy_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
1154 | SD_BUS_METHOD("CopyToMachine", "sss", NULL, method_copy_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
ae203207 | 1155 | SD_BUS_METHOD("OpenMachineRootDirectory", "s", "h", method_open_machine_root_directory, SD_BUS_VTABLE_UNPRIVILEGED), |
3401419b | 1156 | SD_BUS_METHOD("GetMachineUIDShift", "s", "u", method_get_machine_uid_shift, SD_BUS_VTABLE_UNPRIVILEGED), |
70244d1d LP |
1157 | SD_BUS_METHOD("RemoveImage", "s", NULL, method_remove_image, SD_BUS_VTABLE_UNPRIVILEGED), |
1158 | SD_BUS_METHOD("RenameImage", "ss", NULL, method_rename_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
1159 | SD_BUS_METHOD("CloneImage", "ssb", NULL, method_clone_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
1160 | SD_BUS_METHOD("MarkImageReadOnly", "sb", NULL, method_mark_image_read_only, SD_BUS_VTABLE_UNPRIVILEGED), | |
cf30a8c1 LP |
1161 | SD_BUS_METHOD("GetImageHostname", "s", "s", method_get_image_hostname, SD_BUS_VTABLE_UNPRIVILEGED), |
1162 | SD_BUS_METHOD("GetImageMachineID", "s", "ay", method_get_image_machine_id, SD_BUS_VTABLE_UNPRIVILEGED), | |
1163 | SD_BUS_METHOD("GetImageMachineInfo", "s", "a{ss}", method_get_image_machine_info, SD_BUS_VTABLE_UNPRIVILEGED), | |
9153b02b | 1164 | SD_BUS_METHOD("GetImageOSRelease", "s", "a{ss}", method_get_image_os_release, SD_BUS_VTABLE_UNPRIVILEGED), |
d6ce17c7 LP |
1165 | SD_BUS_METHOD("SetPoolLimit", "t", NULL, method_set_pool_limit, SD_BUS_VTABLE_UNPRIVILEGED), |
1166 | SD_BUS_METHOD("SetImageLimit", "st", NULL, method_set_image_limit, SD_BUS_VTABLE_UNPRIVILEGED), | |
d94c2b06 | 1167 | SD_BUS_METHOD("CleanPool", "s", "a(st)", method_clean_pool, SD_BUS_VTABLE_UNPRIVILEGED), |
c01ff965 LP |
1168 | SD_BUS_METHOD("MapFromMachineUser", "su", "u", method_map_from_machine_user, SD_BUS_VTABLE_UNPRIVILEGED), |
1169 | SD_BUS_METHOD("MapToMachineUser", "u", "sou", method_map_to_machine_user, SD_BUS_VTABLE_UNPRIVILEGED), | |
1170 | SD_BUS_METHOD("MapFromMachineGroup", "su", "u", method_map_from_machine_group, SD_BUS_VTABLE_UNPRIVILEGED), | |
1171 | SD_BUS_METHOD("MapToMachineGroup", "u", "sou", method_map_to_machine_group, SD_BUS_VTABLE_UNPRIVILEGED), | |
c3350683 LP |
1172 | SD_BUS_SIGNAL("MachineNew", "so", 0), |
1173 | SD_BUS_SIGNAL("MachineRemoved", "so", 0), | |
1174 | SD_BUS_VTABLE_END | |
1175 | }; | |
1ee306e1 | 1176 | |
19070062 | 1177 | int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 1178 | const char *path, *result, *unit; |
1ee306e1 | 1179 | Manager *m = userdata; |
c3350683 LP |
1180 | Machine *machine; |
1181 | uint32_t id; | |
1182 | int r; | |
1ee306e1 | 1183 | |
1ee306e1 | 1184 | assert(message); |
c3350683 | 1185 | assert(m); |
1ee306e1 | 1186 | |
c3350683 LP |
1187 | r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result); |
1188 | if (r < 0) { | |
ebcf1f97 | 1189 | bus_log_parse_error(r); |
65d73cf0 | 1190 | return 0; |
c3350683 | 1191 | } |
6797c324 | 1192 | |
c3350683 LP |
1193 | machine = hashmap_get(m->machine_units, unit); |
1194 | if (!machine) | |
1195 | return 0; | |
6797c324 | 1196 | |
c3350683 | 1197 | if (streq_ptr(path, machine->scope_job)) { |
491ac9f2 | 1198 | machine->scope_job = mfree(machine->scope_job); |
6797c324 | 1199 | |
c3350683 LP |
1200 | if (machine->started) { |
1201 | if (streq(result, "done")) | |
1202 | machine_send_create_reply(machine, NULL); | |
1203 | else { | |
4afd3348 | 1204 | _cleanup_(sd_bus_error_free) sd_bus_error e = SD_BUS_ERROR_NULL; |
6797c324 | 1205 | |
ebcf1f97 | 1206 | sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result); |
6797c324 | 1207 | |
ebcf1f97 | 1208 | machine_send_create_reply(machine, &e); |
c3350683 | 1209 | } |
49f3fffd LP |
1210 | } |
1211 | ||
1212 | machine_save(machine); | |
1ee306e1 LP |
1213 | } |
1214 | ||
c3350683 LP |
1215 | machine_add_to_gc_queue(machine); |
1216 | return 0; | |
1ee306e1 LP |
1217 | } |
1218 | ||
19070062 | 1219 | int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 1220 | _cleanup_free_ char *unit = NULL; |
49f3fffd | 1221 | const char *path; |
c3350683 LP |
1222 | Manager *m = userdata; |
1223 | Machine *machine; | |
ebcf1f97 | 1224 | int r; |
554604b3 | 1225 | |
c3350683 LP |
1226 | assert(message); |
1227 | assert(m); | |
554604b3 | 1228 | |
c3350683 LP |
1229 | path = sd_bus_message_get_path(message); |
1230 | if (!path) | |
554604b3 | 1231 | return 0; |
554604b3 | 1232 | |
ebcf1f97 | 1233 | r = unit_name_from_dbus_path(path, &unit); |
e5f5b5b9 LP |
1234 | if (r == -EINVAL) /* not for a unit */ |
1235 | return 0; | |
9ed794a3 | 1236 | if (r < 0) { |
9b420b3c LP |
1237 | log_oom(); |
1238 | return 0; | |
1239 | } | |
554604b3 | 1240 | |
c3350683 | 1241 | machine = hashmap_get(m->machine_units, unit); |
9b420b3c LP |
1242 | if (!machine) |
1243 | return 0; | |
1244 | ||
9b420b3c | 1245 | machine_add_to_gc_queue(machine); |
c3350683 LP |
1246 | return 0; |
1247 | } | |
554604b3 | 1248 | |
19070062 | 1249 | int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
1250 | const char *path, *unit; |
1251 | Manager *m = userdata; | |
1252 | Machine *machine; | |
1253 | int r; | |
554604b3 | 1254 | |
c3350683 LP |
1255 | assert(message); |
1256 | assert(m); | |
554604b3 | 1257 | |
c3350683 LP |
1258 | r = sd_bus_message_read(message, "so", &unit, &path); |
1259 | if (r < 0) { | |
ebcf1f97 | 1260 | bus_log_parse_error(r); |
9b420b3c | 1261 | return 0; |
554604b3 LP |
1262 | } |
1263 | ||
c3350683 | 1264 | machine = hashmap_get(m->machine_units, unit); |
9b420b3c LP |
1265 | if (!machine) |
1266 | return 0; | |
1267 | ||
9b420b3c | 1268 | machine_add_to_gc_queue(machine); |
c3350683 LP |
1269 | return 0; |
1270 | } | |
554604b3 | 1271 | |
19070062 | 1272 | int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 1273 | Manager *m = userdata; |
a658cafa LP |
1274 | Machine *machine; |
1275 | Iterator i; | |
c3350683 | 1276 | int b, r; |
554604b3 | 1277 | |
19070062 LP |
1278 | assert(message); |
1279 | assert(m); | |
554604b3 | 1280 | |
c3350683 LP |
1281 | r = sd_bus_message_read(message, "b", &b); |
1282 | if (r < 0) { | |
ebcf1f97 | 1283 | bus_log_parse_error(r); |
65d73cf0 | 1284 | return 0; |
554604b3 | 1285 | } |
a658cafa LP |
1286 | if (b) |
1287 | return 0; | |
554604b3 | 1288 | |
a658cafa LP |
1289 | /* systemd finished reloading, let's recheck all our machines */ |
1290 | log_debug("System manager has been reloaded, rechecking machines..."); | |
554604b3 | 1291 | |
a658cafa LP |
1292 | HASHMAP_FOREACH(machine, m->machines, i) |
1293 | machine_add_to_gc_queue(machine); | |
554604b3 LP |
1294 | |
1295 | return 0; | |
1296 | } | |
1297 | ||
b92d0b4c LP |
1298 | int manager_unref_unit( |
1299 | Manager *m, | |
1300 | const char *unit, | |
1301 | sd_bus_error *error) { | |
1302 | ||
1303 | assert(m); | |
1304 | assert(unit); | |
1305 | ||
1306 | return sd_bus_call_method( | |
1307 | m->bus, | |
1308 | "org.freedesktop.systemd1", | |
1309 | "/org/freedesktop/systemd1", | |
1310 | "org.freedesktop.systemd1.Manager", | |
1311 | "UnrefUnit", | |
1312 | error, | |
1313 | NULL, | |
1314 | "s", | |
1315 | unit); | |
1316 | } | |
1317 | ||
c3350683 | 1318 | int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { |
4afd3348 | 1319 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
1ee306e1 LP |
1320 | int r; |
1321 | ||
1322 | assert(manager); | |
1323 | assert(unit); | |
1324 | ||
c3350683 | 1325 | r = sd_bus_call_method( |
1ee306e1 LP |
1326 | manager->bus, |
1327 | "org.freedesktop.systemd1", | |
1328 | "/org/freedesktop/systemd1", | |
1329 | "org.freedesktop.systemd1.Manager", | |
1330 | "StopUnit", | |
1ee306e1 | 1331 | error, |
c3350683 LP |
1332 | &reply, |
1333 | "ss", unit, "fail"); | |
1ee306e1 | 1334 | if (r < 0) { |
c3350683 LP |
1335 | if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) || |
1336 | sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) { | |
6797c324 LP |
1337 | |
1338 | if (job) | |
1339 | *job = NULL; | |
1340 | ||
c3350683 | 1341 | sd_bus_error_free(error); |
6797c324 LP |
1342 | return 0; |
1343 | } | |
1344 | ||
1ee306e1 LP |
1345 | return r; |
1346 | } | |
1347 | ||
1348 | if (job) { | |
1349 | const char *j; | |
1350 | char *copy; | |
1351 | ||
c3350683 LP |
1352 | r = sd_bus_message_read(reply, "o", &j); |
1353 | if (r < 0) | |
1354 | return r; | |
1ee306e1 LP |
1355 | |
1356 | copy = strdup(j); | |
1357 | if (!copy) | |
1358 | return -ENOMEM; | |
1359 | ||
1360 | *job = copy; | |
1361 | } | |
1362 | ||
6797c324 | 1363 | return 1; |
1ee306e1 LP |
1364 | } |
1365 | ||
de58a50e | 1366 | int manager_kill_unit(Manager *manager, const char *unit, int signo, sd_bus_error *error) { |
1ee306e1 LP |
1367 | assert(manager); |
1368 | assert(unit); | |
1369 | ||
a658cafa | 1370 | return sd_bus_call_method( |
1ee306e1 LP |
1371 | manager->bus, |
1372 | "org.freedesktop.systemd1", | |
1373 | "/org/freedesktop/systemd1", | |
1374 | "org.freedesktop.systemd1.Manager", | |
1375 | "KillUnit", | |
1ee306e1 | 1376 | error, |
a658cafa | 1377 | NULL, |
de58a50e | 1378 | "ssi", unit, "all", signo); |
1ee306e1 LP |
1379 | } |
1380 | ||
1381 | int manager_unit_is_active(Manager *manager, const char *unit) { | |
4afd3348 LP |
1382 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
1383 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
1ee306e1 | 1384 | _cleanup_free_ char *path = NULL; |
1ee306e1 | 1385 | const char *state; |
1ee306e1 LP |
1386 | int r; |
1387 | ||
1388 | assert(manager); | |
1389 | assert(unit); | |
1390 | ||
1ee306e1 LP |
1391 | path = unit_dbus_path_from_name(unit); |
1392 | if (!path) | |
1393 | return -ENOMEM; | |
1394 | ||
c3350683 | 1395 | r = sd_bus_get_property( |
1ee306e1 LP |
1396 | manager->bus, |
1397 | "org.freedesktop.systemd1", | |
1398 | path, | |
c3350683 LP |
1399 | "org.freedesktop.systemd1.Unit", |
1400 | "ActiveState", | |
1ee306e1 | 1401 | &error, |
c3350683 LP |
1402 | &reply, |
1403 | "s"); | |
1ee306e1 | 1404 | if (r < 0) { |
c3350683 LP |
1405 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || |
1406 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
6797c324 | 1407 | return true; |
6797c324 | 1408 | |
c3350683 LP |
1409 | if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) || |
1410 | sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED)) | |
6797c324 | 1411 | return false; |
6797c324 | 1412 | |
1ee306e1 LP |
1413 | return r; |
1414 | } | |
1415 | ||
c3350683 LP |
1416 | r = sd_bus_message_read(reply, "s", &state); |
1417 | if (r < 0) | |
1ee306e1 | 1418 | return -EINVAL; |
1ee306e1 | 1419 | |
9b420b3c | 1420 | return !STR_IN_SET(state, "inactive", "failed"); |
1ee306e1 | 1421 | } |
bd16acf3 | 1422 | |
c3350683 | 1423 | int manager_job_is_active(Manager *manager, const char *path) { |
4afd3348 LP |
1424 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
1425 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
c3350683 | 1426 | int r; |
bd16acf3 | 1427 | |
c3350683 LP |
1428 | assert(manager); |
1429 | assert(path); | |
bd16acf3 | 1430 | |
c3350683 LP |
1431 | r = sd_bus_get_property( |
1432 | manager->bus, | |
1433 | "org.freedesktop.systemd1", | |
1434 | path, | |
1435 | "org.freedesktop.systemd1.Job", | |
1436 | "State", | |
1437 | &error, | |
1438 | &reply, | |
1439 | "s"); | |
1440 | if (r < 0) { | |
1441 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || | |
1442 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
1443 | return true; | |
bd16acf3 | 1444 | |
c3350683 LP |
1445 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT)) |
1446 | return false; | |
bd16acf3 | 1447 | |
bd16acf3 | 1448 | return r; |
c3350683 | 1449 | } |
bd16acf3 | 1450 | |
c3350683 LP |
1451 | /* We don't actually care about the state really. The fact |
1452 | * that we could read the job state is enough for us */ | |
bd16acf3 | 1453 | |
c3350683 | 1454 | return true; |
bd16acf3 | 1455 | } |
ab49725f KS |
1456 | |
1457 | int manager_get_machine_by_pid(Manager *m, pid_t pid, Machine **machine) { | |
ab49725f KS |
1458 | Machine *mm; |
1459 | int r; | |
1460 | ||
1461 | assert(m); | |
1462 | assert(pid >= 1); | |
1463 | assert(machine); | |
1464 | ||
4a0b58c4 | 1465 | mm = hashmap_get(m->machine_leaders, PID_TO_PTR(pid)); |
077c8c36 LP |
1466 | if (!mm) { |
1467 | _cleanup_free_ char *unit = NULL; | |
ab49725f | 1468 | |
077c8c36 LP |
1469 | r = cg_pid_get_unit(pid, &unit); |
1470 | if (r >= 0) | |
1471 | mm = hashmap_get(m->machine_units, unit); | |
1472 | } | |
ab49725f KS |
1473 | if (!mm) |
1474 | return 0; | |
1475 | ||
1476 | *machine = mm; | |
1477 | return 1; | |
1478 | } | |
1479 | ||
1480 | int manager_add_machine(Manager *m, const char *name, Machine **_machine) { | |
1481 | Machine *machine; | |
1482 | ||
1483 | assert(m); | |
1484 | assert(name); | |
1485 | ||
1486 | machine = hashmap_get(m->machines, name); | |
1487 | if (!machine) { | |
fbe55073 | 1488 | machine = machine_new(m, _MACHINE_CLASS_INVALID, name); |
ab49725f KS |
1489 | if (!machine) |
1490 | return -ENOMEM; | |
1491 | } | |
1492 | ||
1493 | if (_machine) | |
1494 | *_machine = machine; | |
1495 | ||
1496 | return 0; | |
1497 | } |