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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; | |
44 | struct stat st; | |
45 | ||
46 | assert(bus); | |
47 | assert(reply); | |
48 | ||
49 | /* We try to read the quota info from /var/lib/machines, as | |
50 | * well as the usage of the loopback file | |
51 | * /var/lib/machines.raw, and pick the larger value. */ | |
52 | ||
53 | fd = open("/var/lib/machines", O_RDONLY|O_CLOEXEC|O_DIRECTORY); | |
54 | if (fd >= 0) { | |
55 | BtrfsQuotaInfo q; | |
56 | ||
5bcd08db | 57 | if (btrfs_subvol_get_subtree_quota_fd(fd, 0, &q) >= 0) |
cb81cd80 | 58 | usage = q.referenced; |
160e3793 LP |
59 | } |
60 | ||
61 | if (stat("/var/lib/machines.raw", &st) >= 0) { | |
62 | if (usage == (uint64_t) -1 || st.st_blocks * 512ULL > usage) | |
63 | usage = st.st_blocks * 512ULL; | |
64 | } | |
65 | ||
66 | return sd_bus_message_append(reply, "t", usage); | |
67 | } | |
68 | ||
69 | static int property_get_pool_limit( | |
70 | sd_bus *bus, | |
71 | const char *path, | |
72 | const char *interface, | |
73 | const char *property, | |
74 | sd_bus_message *reply, | |
75 | void *userdata, | |
76 | sd_bus_error *error) { | |
77 | ||
78 | _cleanup_close_ int fd = -1; | |
79 | uint64_t size = (uint64_t) -1; | |
80 | struct stat st; | |
81 | ||
82 | assert(bus); | |
83 | assert(reply); | |
84 | ||
85 | /* We try to read the quota limit from /var/lib/machines, as | |
86 | * well as the size of the loopback file | |
87 | * /var/lib/machines.raw, and pick the smaller value. */ | |
88 | ||
89 | fd = open("/var/lib/machines", O_RDONLY|O_CLOEXEC|O_DIRECTORY); | |
90 | if (fd >= 0) { | |
91 | BtrfsQuotaInfo q; | |
92 | ||
5bcd08db | 93 | if (btrfs_subvol_get_subtree_quota_fd(fd, 0, &q) >= 0) |
cb81cd80 | 94 | size = q.referenced_max; |
160e3793 LP |
95 | } |
96 | ||
97 | if (stat("/var/lib/machines.raw", &st) >= 0) { | |
98 | if (size == (uint64_t) -1 || (uint64_t) st.st_size < size) | |
99 | size = st.st_size; | |
100 | } | |
101 | ||
102 | return sd_bus_message_append(reply, "t", size); | |
103 | } | |
104 | ||
19070062 | 105 | static int method_get_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
106 | _cleanup_free_ char *p = NULL; |
107 | Manager *m = userdata; | |
108 | Machine *machine; | |
109 | const char *name; | |
110 | int r; | |
111 | ||
c3350683 LP |
112 | assert(message); |
113 | assert(m); | |
114 | ||
115 | r = sd_bus_message_read(message, "s", &name); | |
116 | if (r < 0) | |
ebcf1f97 | 117 | return r; |
c3350683 LP |
118 | |
119 | machine = hashmap_get(m->machines, name); | |
120 | if (!machine) | |
ebcf1f97 | 121 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
c3350683 LP |
122 | |
123 | p = machine_bus_path(machine); | |
124 | if (!p) | |
ebcf1f97 | 125 | return -ENOMEM; |
c3350683 | 126 | |
df2d202e | 127 | return sd_bus_reply_method_return(message, "o", p); |
c3350683 LP |
128 | } |
129 | ||
19070062 | 130 | static int method_get_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c2ce6a3d LP |
131 | _cleanup_free_ char *p = NULL; |
132 | Manager *m = userdata; | |
133 | const char *name; | |
134 | int r; | |
135 | ||
c2ce6a3d LP |
136 | assert(message); |
137 | assert(m); | |
138 | ||
139 | r = sd_bus_message_read(message, "s", &name); | |
140 | if (r < 0) | |
141 | return r; | |
142 | ||
5ef46e5f | 143 | r = image_find(IMAGE_MACHINE, name, NULL); |
3a6ce860 | 144 | if (r == -ENOENT) |
c2ce6a3d LP |
145 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); |
146 | if (r < 0) | |
147 | return r; | |
148 | ||
149 | p = image_bus_path(name); | |
150 | if (!p) | |
151 | return -ENOMEM; | |
152 | ||
153 | return sd_bus_reply_method_return(message, "o", p); | |
154 | } | |
155 | ||
19070062 | 156 | static int method_get_machine_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
157 | _cleanup_free_ char *p = NULL; |
158 | Manager *m = userdata; | |
159 | Machine *machine = NULL; | |
4e724d9c | 160 | pid_t pid; |
c3350683 LP |
161 | int r; |
162 | ||
c3350683 LP |
163 | assert(message); |
164 | assert(m); | |
165 | ||
4e724d9c LP |
166 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
167 | ||
c3350683 LP |
168 | r = sd_bus_message_read(message, "u", &pid); |
169 | if (r < 0) | |
ebcf1f97 | 170 | return r; |
c3350683 | 171 | |
07b38ba5 | 172 | if (pid < 0) |
06820eaf LP |
173 | return -EINVAL; |
174 | ||
4e724d9c | 175 | if (pid == 0) { |
4afd3348 | 176 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
5b12334d LP |
177 | |
178 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
179 | if (r < 0) | |
180 | return r; | |
181 | ||
182 | r = sd_bus_creds_get_pid(creds, &pid); | |
4e724d9c | 183 | if (r < 0) |
ebcf1f97 | 184 | return r; |
4e724d9c LP |
185 | } |
186 | ||
c3350683 LP |
187 | r = manager_get_machine_by_pid(m, pid, &machine); |
188 | if (r < 0) | |
ebcf1f97 | 189 | return r; |
c3350683 | 190 | if (!machine) |
de0671ee | 191 | 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 |
192 | |
193 | p = machine_bus_path(machine); | |
194 | if (!p) | |
ebcf1f97 | 195 | return -ENOMEM; |
c3350683 | 196 | |
df2d202e | 197 | return sd_bus_reply_method_return(message, "o", p); |
c3350683 LP |
198 | } |
199 | ||
19070062 | 200 | static int method_list_machines(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 201 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
c3350683 LP |
202 | Manager *m = userdata; |
203 | Machine *machine; | |
204 | Iterator i; | |
205 | int r; | |
206 | ||
c3350683 LP |
207 | assert(message); |
208 | assert(m); | |
209 | ||
df2d202e | 210 | r = sd_bus_message_new_method_return(message, &reply); |
c3350683 | 211 | if (r < 0) |
ebcf1f97 | 212 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
213 | |
214 | r = sd_bus_message_open_container(reply, 'a', "(ssso)"); | |
215 | if (r < 0) | |
ebcf1f97 | 216 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
217 | |
218 | HASHMAP_FOREACH(machine, m->machines, i) { | |
219 | _cleanup_free_ char *p = NULL; | |
220 | ||
221 | p = machine_bus_path(machine); | |
222 | if (!p) | |
ebcf1f97 | 223 | return -ENOMEM; |
c3350683 LP |
224 | |
225 | r = sd_bus_message_append(reply, "(ssso)", | |
226 | machine->name, | |
227 | strempty(machine_class_to_string(machine->class)), | |
228 | machine->service, | |
229 | p); | |
230 | if (r < 0) | |
ebcf1f97 | 231 | return sd_bus_error_set_errno(error, r); |
c3350683 | 232 | } |
1ee306e1 | 233 | |
c3350683 LP |
234 | r = sd_bus_message_close_container(reply); |
235 | if (r < 0) | |
ebcf1f97 | 236 | return sd_bus_error_set_errno(error, r); |
c3350683 | 237 | |
9030ca46 | 238 | return sd_bus_send(NULL, reply, NULL); |
c3350683 LP |
239 | } |
240 | ||
9b5ed6fe | 241 | static int method_create_or_register_machine(Manager *manager, sd_bus_message *message, bool read_network, Machine **_m, sd_bus_error *error) { |
8aec412f | 242 | const char *name, *service, *class, *root_directory; |
9b5ed6fe | 243 | const int32_t *netif = NULL; |
1ee306e1 LP |
244 | MachineClass c; |
245 | uint32_t leader; | |
246 | sd_id128_t id; | |
c3350683 | 247 | const void *v; |
1ee306e1 | 248 | Machine *m; |
9b5ed6fe | 249 | size_t n, n_netif = 0; |
c3350683 | 250 | int r; |
1ee306e1 | 251 | |
c3350683 | 252 | assert(manager); |
89f7c846 LP |
253 | assert(message); |
254 | assert(_m); | |
1ee306e1 | 255 | |
c3350683 LP |
256 | r = sd_bus_message_read(message, "s", &name); |
257 | if (r < 0) | |
ebcf1f97 | 258 | return r; |
7f0d207d | 259 | if (!machine_name_is_valid(name)) |
ebcf1f97 | 260 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine name"); |
1ee306e1 | 261 | |
c3350683 LP |
262 | r = sd_bus_message_read_array(message, 'y', &v, &n); |
263 | if (r < 0) | |
ebcf1f97 | 264 | return r; |
1ee306e1 LP |
265 | if (n == 0) |
266 | id = SD_ID128_NULL; | |
267 | else if (n == 16) | |
268 | memcpy(&id, v, n); | |
269 | else | |
ebcf1f97 | 270 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine ID parameter"); |
1ee306e1 | 271 | |
c3350683 LP |
272 | r = sd_bus_message_read(message, "ssus", &service, &class, &leader, &root_directory); |
273 | if (r < 0) | |
ebcf1f97 | 274 | return r; |
1ee306e1 | 275 | |
9b5ed6fe LP |
276 | if (read_network) { |
277 | size_t i; | |
278 | ||
279 | r = sd_bus_message_read_array(message, 'i', (const void**) &netif, &n_netif); | |
280 | if (r < 0) | |
281 | return r; | |
282 | ||
283 | n_netif /= sizeof(int32_t); | |
284 | ||
285 | for (i = 0; i < n_netif; i++) { | |
286 | if (netif[i] <= 0) | |
287 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid network interface index %i", netif[i]); | |
288 | } | |
289 | } | |
290 | ||
1ee306e1 LP |
291 | if (isempty(class)) |
292 | c = _MACHINE_CLASS_INVALID; | |
293 | else { | |
294 | c = machine_class_from_string(class); | |
295 | if (c < 0) | |
ebcf1f97 | 296 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine class parameter"); |
1ee306e1 LP |
297 | } |
298 | ||
c3350683 | 299 | if (leader == 1) |
ebcf1f97 | 300 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID"); |
1ee306e1 | 301 | |
c3350683 | 302 | if (!isempty(root_directory) && !path_is_absolute(root_directory)) |
ebcf1f97 | 303 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Root directory must be empty or an absolute path"); |
1ee306e1 | 304 | |
c3350683 | 305 | if (leader == 0) { |
4afd3348 | 306 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
5b12334d LP |
307 | |
308 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
309 | if (r < 0) | |
310 | return r; | |
311 | ||
c3350683 | 312 | assert_cc(sizeof(uint32_t) == sizeof(pid_t)); |
554604b3 | 313 | |
5b12334d | 314 | r = sd_bus_creds_get_pid(creds, (pid_t*) &leader); |
c3350683 | 315 | if (r < 0) |
ebcf1f97 | 316 | return r; |
c3350683 | 317 | } |
554604b3 | 318 | |
1ee306e1 | 319 | if (hashmap_get(manager->machines, name)) |
ebcf1f97 | 320 | return sd_bus_error_setf(error, BUS_ERROR_MACHINE_EXISTS, "Machine '%s' already exists", name); |
1ee306e1 LP |
321 | |
322 | r = manager_add_machine(manager, name, &m); | |
323 | if (r < 0) | |
ebcf1f97 | 324 | return r; |
1ee306e1 LP |
325 | |
326 | m->leader = leader; | |
327 | m->class = c; | |
328 | m->id = id; | |
329 | ||
330 | if (!isempty(service)) { | |
331 | m->service = strdup(service); | |
332 | if (!m->service) { | |
ebcf1f97 | 333 | r = -ENOMEM; |
1ee306e1 LP |
334 | goto fail; |
335 | } | |
336 | } | |
337 | ||
338 | if (!isempty(root_directory)) { | |
339 | m->root_directory = strdup(root_directory); | |
340 | if (!m->root_directory) { | |
ebcf1f97 | 341 | r = -ENOMEM; |
1ee306e1 LP |
342 | goto fail; |
343 | } | |
344 | } | |
345 | ||
9b5ed6fe LP |
346 | if (n_netif > 0) { |
347 | assert_cc(sizeof(int32_t) == sizeof(int)); | |
348 | m->netif = memdup(netif, sizeof(int32_t) * n_netif); | |
349 | if (!m->netif) { | |
350 | r = -ENOMEM; | |
351 | goto fail; | |
352 | } | |
353 | ||
354 | m->n_netif = n_netif; | |
355 | } | |
356 | ||
89f7c846 LP |
357 | *_m = m; |
358 | ||
359 | return 1; | |
360 | ||
361 | fail: | |
362 | machine_add_to_gc_queue(m); | |
363 | return r; | |
364 | } | |
365 | ||
19070062 | 366 | static int method_create_machine_internal(sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) { |
89f7c846 LP |
367 | Manager *manager = userdata; |
368 | Machine *m = NULL; | |
369 | int r; | |
370 | ||
19070062 LP |
371 | assert(message); |
372 | assert(manager); | |
373 | ||
9b5ed6fe | 374 | r = method_create_or_register_machine(manager, message, read_network, &m, error); |
89f7c846 LP |
375 | if (r < 0) |
376 | return r; | |
377 | ||
378 | r = sd_bus_message_enter_container(message, 'a', "(sv)"); | |
379 | if (r < 0) | |
380 | goto fail; | |
381 | ||
ebcf1f97 LP |
382 | r = machine_start(m, message, error); |
383 | if (r < 0) | |
1ee306e1 LP |
384 | goto fail; |
385 | ||
c3350683 | 386 | m->create_message = sd_bus_message_ref(message); |
c3350683 | 387 | return 1; |
1ee306e1 LP |
388 | |
389 | fail: | |
a3e7f417 | 390 | machine_add_to_gc_queue(m); |
89f7c846 LP |
391 | return r; |
392 | } | |
1ee306e1 | 393 | |
19070062 LP |
394 | static int method_create_machine_with_network(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
395 | return method_create_machine_internal(message, true, userdata, error); | |
9b5ed6fe LP |
396 | } |
397 | ||
19070062 LP |
398 | static int method_create_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
399 | return method_create_machine_internal(message, false, userdata, error); | |
9b5ed6fe LP |
400 | } |
401 | ||
19070062 | 402 | static int method_register_machine_internal(sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) { |
89f7c846 LP |
403 | Manager *manager = userdata; |
404 | _cleanup_free_ char *p = NULL; | |
405 | Machine *m = NULL; | |
406 | int r; | |
407 | ||
19070062 LP |
408 | assert(message); |
409 | assert(manager); | |
410 | ||
9b5ed6fe | 411 | r = method_create_or_register_machine(manager, message, read_network, &m, error); |
89f7c846 LP |
412 | if (r < 0) |
413 | return r; | |
414 | ||
415 | r = cg_pid_get_unit(m->leader, &m->unit); | |
416 | if (r < 0) { | |
048c386e ZJS |
417 | r = sd_bus_error_set_errnof(error, r, |
418 | "Failed to determine unit of process "PID_FMT" : %m", | |
419 | m->leader); | |
89f7c846 LP |
420 | goto fail; |
421 | } | |
422 | ||
423 | r = machine_start(m, NULL, error); | |
424 | if (r < 0) | |
425 | goto fail; | |
426 | ||
427 | p = machine_bus_path(m); | |
428 | if (!p) { | |
429 | r = -ENOMEM; | |
430 | goto fail; | |
431 | } | |
432 | ||
433 | return sd_bus_reply_method_return(message, "o", p); | |
434 | ||
435 | fail: | |
436 | machine_add_to_gc_queue(m); | |
1ee306e1 LP |
437 | return r; |
438 | } | |
439 | ||
19070062 LP |
440 | static int method_register_machine_with_network(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
441 | return method_register_machine_internal(message, true, userdata, error); | |
9b5ed6fe LP |
442 | } |
443 | ||
19070062 LP |
444 | static int method_register_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
445 | return method_register_machine_internal(message, false, userdata, error); | |
9b5ed6fe LP |
446 | } |
447 | ||
eecf0181 | 448 | static int redirect_method_to_machine(sd_bus_message *message, Manager *m, sd_bus_error *error, sd_bus_message_handler_t method) { |
c3350683 LP |
449 | Machine *machine; |
450 | const char *name; | |
1ee306e1 LP |
451 | int r; |
452 | ||
1ee306e1 LP |
453 | assert(message); |
454 | assert(m); | |
eecf0181 | 455 | assert(method); |
1ee306e1 | 456 | |
c3350683 LP |
457 | r = sd_bus_message_read(message, "s", &name); |
458 | if (r < 0) | |
ebcf1f97 | 459 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 460 | |
c3350683 LP |
461 | machine = hashmap_get(m->machines, name); |
462 | if (!machine) | |
ebcf1f97 | 463 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
1ee306e1 | 464 | |
eecf0181 | 465 | return method(message, machine, error); |
c3350683 | 466 | } |
1ee306e1 | 467 | |
eecf0181 LP |
468 | static int method_terminate_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
469 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_terminate); | |
470 | } | |
1ee306e1 | 471 | |
eecf0181 LP |
472 | static int method_kill_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
473 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_kill); | |
878cd7e9 LP |
474 | } |
475 | ||
19070062 | 476 | static int method_get_machine_addresses(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 477 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_get_addresses); |
c3350683 | 478 | } |
1ee306e1 | 479 | |
19070062 | 480 | static int method_get_machine_os_release(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 481 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_get_os_release); |
717603e3 LP |
482 | } |
483 | ||
19070062 | 484 | static int method_list_images(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4afd3348 | 485 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
cd61c3bf LP |
486 | _cleanup_(image_hashmap_freep) Hashmap *images = NULL; |
487 | Manager *m = userdata; | |
488 | Image *image; | |
489 | Iterator i; | |
490 | int r; | |
491 | ||
cd61c3bf LP |
492 | assert(message); |
493 | assert(m); | |
494 | ||
495 | images = hashmap_new(&string_hash_ops); | |
496 | if (!images) | |
497 | return -ENOMEM; | |
498 | ||
5ef46e5f | 499 | r = image_discover(IMAGE_MACHINE, images); |
cd61c3bf LP |
500 | if (r < 0) |
501 | return r; | |
502 | ||
503 | r = sd_bus_message_new_method_return(message, &reply); | |
504 | if (r < 0) | |
505 | return r; | |
506 | ||
b6b18498 | 507 | r = sd_bus_message_open_container(reply, 'a', "(ssbttto)"); |
cd61c3bf LP |
508 | if (r < 0) |
509 | return r; | |
510 | ||
511 | HASHMAP_FOREACH(image, images, i) { | |
512 | _cleanup_free_ char *p = NULL; | |
513 | ||
514 | p = image_bus_path(image->name); | |
515 | if (!p) | |
516 | return -ENOMEM; | |
517 | ||
b6b18498 | 518 | r = sd_bus_message_append(reply, "(ssbttto)", |
cd61c3bf LP |
519 | image->name, |
520 | image_type_to_string(image->type), | |
521 | image->read_only, | |
10f9c755 LP |
522 | image->crtime, |
523 | image->mtime, | |
c19de711 | 524 | image->usage, |
cd61c3bf LP |
525 | p); |
526 | if (r < 0) | |
527 | return r; | |
528 | } | |
529 | ||
530 | r = sd_bus_message_close_container(reply); | |
531 | if (r < 0) | |
532 | return r; | |
533 | ||
9030ca46 | 534 | return sd_bus_send(NULL, reply, NULL); |
cd61c3bf LP |
535 | } |
536 | ||
19070062 | 537 | static int method_open_machine_pty(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 538 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_open_pty); |
40205d70 LP |
539 | } |
540 | ||
19070062 | 541 | static int method_open_machine_login(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 542 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_open_login); |
5f8cc96a LP |
543 | } |
544 | ||
49af9e13 | 545 | static int method_open_machine_shell(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 546 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_open_shell); |
49af9e13 LP |
547 | } |
548 | ||
19070062 | 549 | static int method_bind_mount_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 550 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_bind_mount); |
90adaa25 LP |
551 | } |
552 | ||
19070062 | 553 | static int method_copy_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 554 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_copy); |
0370612e LP |
555 | } |
556 | ||
ae203207 | 557 | static int method_open_machine_root_directory(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 558 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_open_root_directory); |
ae203207 LP |
559 | } |
560 | ||
3401419b | 561 | static int method_get_machine_uid_shift(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
eecf0181 | 562 | return redirect_method_to_machine(message, userdata, error, bus_machine_method_get_uid_shift); |
3401419b LP |
563 | } |
564 | ||
9b06c1e1 | 565 | static int redirect_method_to_image(sd_bus_message *message, Manager *m, sd_bus_error *error, sd_bus_message_handler_t method) { |
08682124 LP |
566 | _cleanup_(image_unrefp) Image* i = NULL; |
567 | const char *name; | |
568 | int r; | |
569 | ||
08682124 | 570 | assert(message); |
9b06c1e1 LP |
571 | assert(m); |
572 | assert(method); | |
08682124 LP |
573 | |
574 | r = sd_bus_message_read(message, "s", &name); | |
575 | if (r < 0) | |
576 | return r; | |
577 | ||
578 | if (!image_name_is_valid(name)) | |
579 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); | |
580 | ||
5ef46e5f | 581 | r = image_find(IMAGE_MACHINE, name, &i); |
3a6ce860 LP |
582 | if (r == -ENOENT) |
583 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); | |
08682124 LP |
584 | if (r < 0) |
585 | return r; | |
08682124 | 586 | |
9b06c1e1 LP |
587 | i->userdata = m; |
588 | return method(message, i, error); | |
08682124 LP |
589 | } |
590 | ||
9b06c1e1 LP |
591 | static int method_remove_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
592 | return redirect_method_to_image(message, userdata, error, bus_image_method_remove); | |
593 | } | |
ebd93cb6 | 594 | |
9b06c1e1 LP |
595 | static int method_rename_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
596 | return redirect_method_to_image(message, userdata, error, bus_image_method_rename); | |
ebd93cb6 LP |
597 | } |
598 | ||
19070062 | 599 | static int method_clone_image(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
9b06c1e1 | 600 | return redirect_method_to_image(message, userdata, error, bus_image_method_clone); |
ebd93cb6 LP |
601 | } |
602 | ||
19070062 | 603 | static int method_mark_image_read_only(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
9b06c1e1 | 604 | return redirect_method_to_image(message, userdata, error, bus_image_method_mark_read_only); |
ebd93cb6 LP |
605 | } |
606 | ||
cf30a8c1 | 607 | static int method_get_image_hostname(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
9b06c1e1 | 608 | return redirect_method_to_image(message, userdata, error, bus_image_method_get_hostname); |
cf30a8c1 LP |
609 | } |
610 | ||
611 | static int method_get_image_machine_id(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
9b06c1e1 | 612 | return redirect_method_to_image(message, userdata, error, bus_image_method_get_machine_id); |
cf30a8c1 LP |
613 | } |
614 | ||
615 | static int method_get_image_machine_info(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
9b06c1e1 | 616 | return redirect_method_to_image(message, userdata, error, bus_image_method_get_machine_info); |
cf30a8c1 LP |
617 | } |
618 | ||
9153b02b | 619 | static int method_get_image_os_release(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
9b06c1e1 | 620 | return redirect_method_to_image(message, userdata, error, bus_image_method_get_os_release); |
9153b02b LP |
621 | } |
622 | ||
03c2b288 LP |
623 | static int clean_pool_done(Operation *operation, int ret, sd_bus_error *error) { |
624 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
625 | _cleanup_fclose_ FILE *f = NULL; | |
626 | bool success; | |
627 | size_t n; | |
628 | int r; | |
629 | ||
630 | assert(operation); | |
631 | assert(operation->extra_fd >= 0); | |
632 | ||
633 | if (lseek(operation->extra_fd, 0, SEEK_SET) == (off_t) -1) | |
634 | return -errno; | |
635 | ||
636 | f = fdopen(operation->extra_fd, "re"); | |
637 | if (!f) | |
638 | return -errno; | |
639 | ||
640 | operation->extra_fd = -1; | |
641 | ||
642 | /* The resulting temporary file starts with a boolean value that indicates success or not. */ | |
643 | errno = 0; | |
644 | n = fread(&success, 1, sizeof(success), f); | |
645 | if (n != sizeof(success)) | |
646 | return ret < 0 ? ret : (errno != 0 ? -errno : -EIO); | |
647 | ||
648 | if (ret < 0) { | |
649 | _cleanup_free_ char *name = NULL; | |
650 | ||
651 | /* The clean-up operation failed. In this case the resulting temporary file should contain a boolean | |
652 | * set to false followed by the name of the failed image. Let's try to read this and use it for the | |
653 | * error message. If we can't read it, don't mind, and return the naked error. */ | |
654 | ||
655 | if (success) /* The resulting temporary file could not be updated, ignore it. */ | |
656 | return ret; | |
657 | ||
658 | r = read_nul_string(f, &name); | |
659 | if (r < 0 || isempty(name)) /* Same here... */ | |
660 | return ret; | |
661 | ||
662 | return sd_bus_error_set_errnof(error, ret, "Failed to remove image %s: %m", name); | |
663 | } | |
664 | ||
665 | assert(success); | |
666 | ||
667 | r = sd_bus_message_new_method_return(operation->message, &reply); | |
668 | if (r < 0) | |
669 | return r; | |
670 | ||
671 | r = sd_bus_message_open_container(reply, 'a', "(st)"); | |
672 | if (r < 0) | |
673 | return r; | |
674 | ||
675 | /* On success the resulting temporary file will contain a list of image names that were removed followed by | |
676 | * their size on disk. Let's read that and turn it into a bus message. */ | |
677 | for (;;) { | |
678 | _cleanup_free_ char *name = NULL; | |
679 | uint64_t size; | |
680 | ||
681 | r = read_nul_string(f, &name); | |
682 | if (r < 0) | |
683 | return r; | |
684 | if (isempty(name)) /* reached the end */ | |
685 | break; | |
686 | ||
687 | errno = 0; | |
688 | n = fread(&size, 1, sizeof(size), f); | |
689 | if (n != sizeof(size)) | |
690 | return errno != 0 ? -errno : -EIO; | |
691 | ||
692 | r = sd_bus_message_append(reply, "(st)", name, size); | |
693 | if (r < 0) | |
694 | return r; | |
695 | } | |
696 | ||
697 | r = sd_bus_message_close_container(reply); | |
698 | if (r < 0) | |
699 | return r; | |
700 | ||
701 | return sd_bus_send(NULL, reply, NULL); | |
702 | } | |
703 | ||
d94c2b06 LP |
704 | static int method_clean_pool(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
705 | enum { | |
706 | REMOVE_ALL, | |
707 | REMOVE_HIDDEN, | |
708 | } mode; | |
709 | ||
03c2b288 LP |
710 | _cleanup_close_pair_ int errno_pipe_fd[2] = { -1, -1 }; |
711 | _cleanup_close_ int result_fd = -1; | |
d94c2b06 | 712 | Manager *m = userdata; |
03c2b288 | 713 | Operation *operation; |
d94c2b06 | 714 | const char *mm; |
03c2b288 | 715 | pid_t child; |
d94c2b06 LP |
716 | int r; |
717 | ||
718 | assert(message); | |
719 | ||
03c2b288 LP |
720 | if (m->n_operations >= OPERATIONS_MAX) |
721 | return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Too many ongoing operations."); | |
722 | ||
d94c2b06 LP |
723 | r = sd_bus_message_read(message, "s", &mm); |
724 | if (r < 0) | |
725 | return r; | |
726 | ||
727 | if (streq(mm, "all")) | |
728 | mode = REMOVE_ALL; | |
729 | else if (streq(mm, "hidden")) | |
730 | mode = REMOVE_HIDDEN; | |
731 | else | |
732 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown mode '%s'.", mm); | |
733 | ||
734 | r = bus_verify_polkit_async( | |
735 | message, | |
736 | CAP_SYS_ADMIN, | |
737 | "org.freedesktop.machine1.manage-machines", | |
738 | NULL, | |
739 | false, | |
740 | UID_INVALID, | |
741 | &m->polkit_registry, | |
742 | error); | |
743 | if (r < 0) | |
744 | return r; | |
745 | if (r == 0) | |
746 | return 1; /* Will call us back */ | |
747 | ||
03c2b288 LP |
748 | if (pipe2(errno_pipe_fd, O_CLOEXEC|O_NONBLOCK) < 0) |
749 | return sd_bus_error_set_errnof(error, errno, "Failed to create pipe: %m"); | |
d94c2b06 | 750 | |
03c2b288 LP |
751 | /* Create a temporary file we can dump information about deleted images into. We use a temporary file for this |
752 | * instead of a pipe or so, since this might grow quit large in theory and we don't want to process this | |
595bfe7d | 753 | * continuously */ |
992e8f22 | 754 | result_fd = open_tmpfile_unlinkable(NULL, O_RDWR|O_CLOEXEC); |
03c2b288 LP |
755 | if (result_fd < 0) |
756 | return -errno; | |
d94c2b06 | 757 | |
03c2b288 | 758 | /* This might be a slow operation, run it asynchronously in a background process */ |
4c253ed1 LP |
759 | r = safe_fork("(sd-clean)", FORK_RESET_SIGNALS, &child); |
760 | if (r < 0) | |
761 | return sd_bus_error_set_errnof(error, r, "Failed to fork(): %m"); | |
762 | if (r == 0) { | |
03c2b288 LP |
763 | _cleanup_(image_hashmap_freep) Hashmap *images = NULL; |
764 | bool success = true; | |
765 | Image *image; | |
766 | Iterator i; | |
767 | ssize_t l; | |
d94c2b06 | 768 | |
03c2b288 | 769 | errno_pipe_fd[0] = safe_close(errno_pipe_fd[0]); |
d94c2b06 | 770 | |
03c2b288 LP |
771 | images = hashmap_new(&string_hash_ops); |
772 | if (!images) { | |
773 | r = -ENOMEM; | |
774 | goto child_fail; | |
775 | } | |
d94c2b06 | 776 | |
5ef46e5f | 777 | r = image_discover(IMAGE_MACHINE, images); |
03c2b288 LP |
778 | if (r < 0) |
779 | goto child_fail; | |
d94c2b06 | 780 | |
03c2b288 LP |
781 | l = write(result_fd, &success, sizeof(success)); |
782 | if (l < 0) { | |
783 | r = -errno; | |
784 | goto child_fail; | |
785 | } | |
d94c2b06 | 786 | |
03c2b288 LP |
787 | HASHMAP_FOREACH(image, images, i) { |
788 | ||
789 | /* We can't remove vendor images (i.e. those in /usr) */ | |
790 | if (IMAGE_IS_VENDOR(image)) | |
791 | continue; | |
792 | ||
793 | if (IMAGE_IS_HOST(image)) | |
794 | continue; | |
795 | ||
796 | if (mode == REMOVE_HIDDEN && !IMAGE_IS_HIDDEN(image)) | |
797 | continue; | |
798 | ||
799 | r = image_remove(image); | |
800 | if (r == -EBUSY) /* keep images that are currently being used. */ | |
801 | continue; | |
802 | if (r < 0) { | |
803 | /* If the operation failed, let's override everything we wrote, and instead write there at which image we failed. */ | |
804 | success = false; | |
805 | (void) ftruncate(result_fd, 0); | |
806 | (void) lseek(result_fd, 0, SEEK_SET); | |
807 | (void) write(result_fd, &success, sizeof(success)); | |
808 | (void) write(result_fd, image->name, strlen(image->name)+1); | |
809 | goto child_fail; | |
810 | } | |
811 | ||
812 | l = write(result_fd, image->name, strlen(image->name)+1); | |
813 | if (l < 0) { | |
814 | r = -errno; | |
815 | goto child_fail; | |
816 | } | |
817 | ||
818 | l = write(result_fd, &image->usage_exclusive, sizeof(image->usage_exclusive)); | |
819 | if (l < 0) { | |
820 | r = -errno; | |
821 | goto child_fail; | |
822 | } | |
823 | } | |
d94c2b06 | 824 | |
03c2b288 LP |
825 | result_fd = safe_close(result_fd); |
826 | _exit(EXIT_SUCCESS); | |
827 | ||
828 | child_fail: | |
829 | (void) write(errno_pipe_fd[1], &r, sizeof(r)); | |
830 | _exit(EXIT_FAILURE); | |
d94c2b06 LP |
831 | } |
832 | ||
03c2b288 LP |
833 | errno_pipe_fd[1] = safe_close(errno_pipe_fd[1]); |
834 | ||
835 | /* The clean-up might take a while, hence install a watch on the child and return */ | |
836 | ||
837 | r = operation_new(m, NULL, child, message, errno_pipe_fd[0], &operation); | |
838 | if (r < 0) { | |
839 | (void) sigkill_wait(child); | |
d94c2b06 | 840 | return r; |
03c2b288 | 841 | } |
d94c2b06 | 842 | |
03c2b288 LP |
843 | operation->extra_fd = result_fd; |
844 | operation->done = clean_pool_done; | |
845 | ||
846 | result_fd = -1; | |
847 | errno_pipe_fd[0] = -1; | |
848 | ||
849 | return 1; | |
d94c2b06 LP |
850 | } |
851 | ||
19070062 | 852 | static int method_set_pool_limit(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
d6ce17c7 LP |
853 | Manager *m = userdata; |
854 | uint64_t limit; | |
855 | int r; | |
856 | ||
19070062 LP |
857 | assert(message); |
858 | ||
d6ce17c7 LP |
859 | r = sd_bus_message_read(message, "t", &limit); |
860 | if (r < 0) | |
861 | return r; | |
a90fb858 LP |
862 | if (!FILE_SIZE_VALID_OR_INFINITY(limit)) |
863 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "New limit out of range"); | |
d6ce17c7 LP |
864 | |
865 | r = bus_verify_polkit_async( | |
866 | message, | |
867 | CAP_SYS_ADMIN, | |
868 | "org.freedesktop.machine1.manage-machines", | |
403ed0e5 | 869 | NULL, |
d6ce17c7 LP |
870 | false, |
871 | UID_INVALID, | |
872 | &m->polkit_registry, | |
873 | error); | |
874 | if (r < 0) | |
875 | return r; | |
876 | if (r == 0) | |
877 | return 1; /* Will call us back */ | |
878 | ||
4cee5eed LP |
879 | /* Set up the machine directory if necessary */ |
880 | r = setup_machine_directory(limit, error); | |
881 | if (r < 0) | |
882 | return r; | |
883 | ||
05e8f270 LP |
884 | /* Resize the backing loopback device, if there is one, except if we asked to drop any limit */ |
885 | if (limit != (uint64_t) -1) { | |
886 | r = btrfs_resize_loopback("/var/lib/machines", limit, false); | |
887 | if (r == -ENOTTY) | |
888 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Quota is only supported on btrfs."); | |
889 | if (r < 0 && r != -ENODEV) /* ignore ENODEV, as that's what is returned if the file system is not on loopback */ | |
890 | return sd_bus_error_set_errnof(error, r, "Failed to adjust loopback limit: %m"); | |
891 | } | |
efe02862 | 892 | |
5bcd08db LP |
893 | (void) btrfs_qgroup_set_limit("/var/lib/machines", 0, limit); |
894 | ||
895 | r = btrfs_subvol_set_subtree_quota_limit("/var/lib/machines", 0, limit); | |
d6ce17c7 LP |
896 | if (r == -ENOTTY) |
897 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Quota is only supported on btrfs."); | |
26166c88 | 898 | if (r < 0) |
d6ce17c7 LP |
899 | return sd_bus_error_set_errnof(error, r, "Failed to adjust quota limit: %m"); |
900 | ||
901 | return sd_bus_reply_method_return(message, NULL); | |
902 | } | |
903 | ||
19070062 | 904 | static int method_set_image_limit(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
9b06c1e1 | 905 | return redirect_method_to_image(message, userdata, error, bus_image_method_set_limit); |
d6ce17c7 LP |
906 | } |
907 | ||
c01ff965 LP |
908 | static int method_map_from_machine_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
909 | _cleanup_fclose_ FILE *f = NULL; | |
910 | Manager *m = userdata; | |
911 | const char *name, *p; | |
912 | Machine *machine; | |
913 | uint32_t uid; | |
914 | int r; | |
915 | ||
916 | r = sd_bus_message_read(message, "su", &name, &uid); | |
917 | if (r < 0) | |
918 | return r; | |
919 | ||
c077529b | 920 | if (!uid_is_valid(uid)) |
c01ff965 LP |
921 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
922 | ||
923 | machine = hashmap_get(m->machines, name); | |
924 | if (!machine) | |
925 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
926 | ||
a79366e2 LP |
927 | if (machine->class != MACHINE_CONTAINER) |
928 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Not supported for non-container machines."); | |
929 | ||
c01ff965 LP |
930 | p = procfs_file_alloca(machine->leader, "uid_map"); |
931 | f = fopen(p, "re"); | |
932 | if (!f) | |
933 | return -errno; | |
934 | ||
935 | for (;;) { | |
936 | uid_t uid_base, uid_shift, uid_range, converted; | |
937 | int k; | |
938 | ||
939 | errno = 0; | |
940 | k = fscanf(f, UID_FMT " " UID_FMT " " UID_FMT, &uid_base, &uid_shift, &uid_range); | |
941 | if (k < 0 && feof(f)) | |
942 | break; | |
943 | if (k != 3) { | |
b3267152 | 944 | if (ferror(f) && errno > 0) |
c01ff965 LP |
945 | return -errno; |
946 | ||
947 | return -EIO; | |
948 | } | |
949 | ||
950 | if (uid < uid_base || uid >= uid_base + uid_range) | |
951 | continue; | |
952 | ||
953 | converted = uid - uid_base + uid_shift; | |
c077529b | 954 | if (!uid_is_valid(converted)) |
c01ff965 LP |
955 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
956 | ||
957 | return sd_bus_reply_method_return(message, "u", (uint32_t) converted); | |
958 | } | |
959 | ||
960 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "Machine '%s' has no matching user mappings.", name); | |
961 | } | |
962 | ||
963 | static int method_map_to_machine_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
964 | Manager *m = userdata; | |
965 | Machine *machine; | |
966 | uid_t uid; | |
967 | Iterator i; | |
968 | int r; | |
969 | ||
970 | r = sd_bus_message_read(message, "u", &uid); | |
971 | if (r < 0) | |
972 | return r; | |
c077529b | 973 | if (!uid_is_valid(uid)) |
c01ff965 LP |
974 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
975 | if (uid < 0x10000) | |
976 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "User " UID_FMT " belongs to host UID range", uid); | |
977 | ||
978 | HASHMAP_FOREACH(machine, m->machines, i) { | |
979 | _cleanup_fclose_ FILE *f = NULL; | |
fbd0b64f | 980 | char p[STRLEN("/proc//uid_map") + DECIMAL_STR_MAX(pid_t) + 1]; |
c01ff965 | 981 | |
a79366e2 LP |
982 | if (machine->class != MACHINE_CONTAINER) |
983 | continue; | |
984 | ||
c01ff965 LP |
985 | xsprintf(p, "/proc/" UID_FMT "/uid_map", machine->leader); |
986 | f = fopen(p, "re"); | |
987 | if (!f) { | |
fe4a1d0f | 988 | log_warning_errno(errno, "Failed to open %s, ignoring,", p); |
c01ff965 LP |
989 | continue; |
990 | } | |
991 | ||
992 | for (;;) { | |
993 | _cleanup_free_ char *o = NULL; | |
994 | uid_t uid_base, uid_shift, uid_range, converted; | |
995 | int k; | |
996 | ||
997 | errno = 0; | |
998 | k = fscanf(f, UID_FMT " " UID_FMT " " UID_FMT, &uid_base, &uid_shift, &uid_range); | |
999 | if (k < 0 && feof(f)) | |
1000 | break; | |
1001 | if (k != 3) { | |
b3267152 | 1002 | if (ferror(f) && errno > 0) |
c01ff965 LP |
1003 | return -errno; |
1004 | ||
1005 | return -EIO; | |
1006 | } | |
1007 | ||
24f5a4c7 YW |
1008 | /* The private user namespace is disabled, ignoring. */ |
1009 | if (uid_shift == 0) | |
1010 | continue; | |
1011 | ||
c01ff965 LP |
1012 | if (uid < uid_shift || uid >= uid_shift + uid_range) |
1013 | continue; | |
1014 | ||
1015 | converted = (uid - uid_shift + uid_base); | |
c077529b | 1016 | if (!uid_is_valid(converted)) |
c01ff965 LP |
1017 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user ID " UID_FMT, uid); |
1018 | ||
1019 | o = machine_bus_path(machine); | |
1020 | if (!o) | |
1021 | return -ENOMEM; | |
1022 | ||
1023 | return sd_bus_reply_method_return(message, "sou", machine->name, o, (uint32_t) converted); | |
1024 | } | |
1025 | } | |
1026 | ||
1027 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER_MAPPING, "No matching user mapping for " UID_FMT ".", uid); | |
1028 | } | |
1029 | ||
1030 | static int method_map_from_machine_group(sd_bus_message *message, void *groupdata, sd_bus_error *error) { | |
1031 | _cleanup_fclose_ FILE *f = NULL; | |
1032 | Manager *m = groupdata; | |
1033 | const char *name, *p; | |
1034 | Machine *machine; | |
1035 | uint32_t gid; | |
1036 | int r; | |
1037 | ||
1038 | r = sd_bus_message_read(message, "su", &name, &gid); | |
1039 | if (r < 0) | |
1040 | return r; | |
1041 | ||
c077529b | 1042 | if (!gid_is_valid(gid)) |
c01ff965 LP |
1043 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1044 | ||
1045 | machine = hashmap_get(m->machines, name); | |
1046 | if (!machine) | |
1047 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
1048 | ||
a79366e2 LP |
1049 | if (machine->class != MACHINE_CONTAINER) |
1050 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Not supported for non-container machines."); | |
1051 | ||
c01ff965 LP |
1052 | p = procfs_file_alloca(machine->leader, "gid_map"); |
1053 | f = fopen(p, "re"); | |
1054 | if (!f) | |
1055 | return -errno; | |
1056 | ||
1057 | for (;;) { | |
1058 | gid_t gid_base, gid_shift, gid_range, converted; | |
1059 | int k; | |
1060 | ||
1061 | errno = 0; | |
1062 | k = fscanf(f, GID_FMT " " GID_FMT " " GID_FMT, &gid_base, &gid_shift, &gid_range); | |
1063 | if (k < 0 && feof(f)) | |
1064 | break; | |
1065 | if (k != 3) { | |
b3267152 | 1066 | if (ferror(f) && errno > 0) |
c01ff965 LP |
1067 | return -errno; |
1068 | ||
1069 | return -EIO; | |
1070 | } | |
1071 | ||
1072 | if (gid < gid_base || gid >= gid_base + gid_range) | |
1073 | continue; | |
1074 | ||
1075 | converted = gid - gid_base + gid_shift; | |
c077529b | 1076 | if (!gid_is_valid(converted)) |
c01ff965 LP |
1077 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1078 | ||
1079 | return sd_bus_reply_method_return(message, "u", (uint32_t) converted); | |
1080 | } | |
1081 | ||
1082 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "Machine '%s' has no matching group mappings.", name); | |
1083 | } | |
1084 | ||
1085 | static int method_map_to_machine_group(sd_bus_message *message, void *groupdata, sd_bus_error *error) { | |
1086 | Manager *m = groupdata; | |
1087 | Machine *machine; | |
1088 | gid_t gid; | |
1089 | Iterator i; | |
1090 | int r; | |
1091 | ||
1092 | r = sd_bus_message_read(message, "u", &gid); | |
1093 | if (r < 0) | |
1094 | return r; | |
c077529b | 1095 | if (!gid_is_valid(gid)) |
c01ff965 LP |
1096 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1097 | if (gid < 0x10000) | |
1098 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "Group " GID_FMT " belongs to host GID range", gid); | |
1099 | ||
1100 | HASHMAP_FOREACH(machine, m->machines, i) { | |
1101 | _cleanup_fclose_ FILE *f = NULL; | |
fbd0b64f | 1102 | char p[STRLEN("/proc//gid_map") + DECIMAL_STR_MAX(pid_t) + 1]; |
c01ff965 | 1103 | |
a79366e2 LP |
1104 | if (machine->class != MACHINE_CONTAINER) |
1105 | continue; | |
1106 | ||
c01ff965 LP |
1107 | xsprintf(p, "/proc/" GID_FMT "/gid_map", machine->leader); |
1108 | f = fopen(p, "re"); | |
1109 | if (!f) { | |
fe4a1d0f | 1110 | log_warning_errno(errno, "Failed to open %s, ignoring,", p); |
c01ff965 LP |
1111 | continue; |
1112 | } | |
1113 | ||
1114 | for (;;) { | |
1115 | _cleanup_free_ char *o = NULL; | |
1116 | gid_t gid_base, gid_shift, gid_range, converted; | |
1117 | int k; | |
1118 | ||
1119 | errno = 0; | |
1120 | k = fscanf(f, GID_FMT " " GID_FMT " " GID_FMT, &gid_base, &gid_shift, &gid_range); | |
1121 | if (k < 0 && feof(f)) | |
1122 | break; | |
1123 | if (k != 3) { | |
b3267152 | 1124 | if (ferror(f) && errno > 0) |
c01ff965 LP |
1125 | return -errno; |
1126 | ||
1127 | return -EIO; | |
1128 | } | |
1129 | ||
24f5a4c7 YW |
1130 | /* The private user namespace is disabled, ignoring. */ |
1131 | if (gid_shift == 0) | |
1132 | continue; | |
1133 | ||
c01ff965 LP |
1134 | if (gid < gid_shift || gid >= gid_shift + gid_range) |
1135 | continue; | |
1136 | ||
1137 | converted = (gid - gid_shift + gid_base); | |
c077529b | 1138 | if (!gid_is_valid(converted)) |
c01ff965 LP |
1139 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group ID " GID_FMT, gid); |
1140 | ||
1141 | o = machine_bus_path(machine); | |
1142 | if (!o) | |
1143 | return -ENOMEM; | |
1144 | ||
1145 | return sd_bus_reply_method_return(message, "sou", machine->name, o, (uint32_t) converted); | |
1146 | } | |
1147 | } | |
1148 | ||
1149 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_GROUP_MAPPING, "No matching group mapping for " GID_FMT ".", gid); | |
1150 | } | |
1151 | ||
c3350683 LP |
1152 | const sd_bus_vtable manager_vtable[] = { |
1153 | SD_BUS_VTABLE_START(0), | |
160e3793 LP |
1154 | SD_BUS_PROPERTY("PoolPath", "s", property_get_pool_path, 0, 0), |
1155 | SD_BUS_PROPERTY("PoolUsage", "t", property_get_pool_usage, 0, 0), | |
1156 | SD_BUS_PROPERTY("PoolLimit", "t", property_get_pool_limit, 0, 0), | |
adacb957 | 1157 | SD_BUS_METHOD("GetMachine", "s", "o", method_get_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
c2ce6a3d | 1158 | SD_BUS_METHOD("GetImage", "s", "o", method_get_image, SD_BUS_VTABLE_UNPRIVILEGED), |
adacb957 LP |
1159 | SD_BUS_METHOD("GetMachineByPID", "u", "o", method_get_machine_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), |
1160 | SD_BUS_METHOD("ListMachines", NULL, "a(ssso)", method_list_machines, SD_BUS_VTABLE_UNPRIVILEGED), | |
b6b18498 | 1161 | SD_BUS_METHOD("ListImages", NULL, "a(ssbttto)", method_list_images, SD_BUS_VTABLE_UNPRIVILEGED), |
c3350683 | 1162 | SD_BUS_METHOD("CreateMachine", "sayssusa(sv)", "o", method_create_machine, 0), |
9b5ed6fe | 1163 | SD_BUS_METHOD("CreateMachineWithNetwork", "sayssusaia(sv)", "o", method_create_machine_with_network, 0), |
8d07a7c4 | 1164 | SD_BUS_METHOD("RegisterMachine", "sayssus", "o", method_register_machine, 0), |
9b5ed6fe | 1165 | SD_BUS_METHOD("RegisterMachineWithNetwork", "sayssusai", "o", method_register_machine_with_network, 0), |
70244d1d LP |
1166 | SD_BUS_METHOD("TerminateMachine", "s", NULL, method_terminate_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
1167 | SD_BUS_METHOD("KillMachine", "ssi", NULL, method_kill_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
3a6fb33c | 1168 | SD_BUS_METHOD("GetMachineAddresses", "s", "a(iay)", method_get_machine_addresses, SD_BUS_VTABLE_UNPRIVILEGED), |
717603e3 | 1169 | SD_BUS_METHOD("GetMachineOSRelease", "s", "a{ss}", method_get_machine_os_release, SD_BUS_VTABLE_UNPRIVILEGED), |
40205d70 | 1170 | SD_BUS_METHOD("OpenMachinePTY", "s", "hs", method_open_machine_pty, 0), |
d04c1fb8 | 1171 | SD_BUS_METHOD("OpenMachineLogin", "s", "hs", method_open_machine_login, SD_BUS_VTABLE_UNPRIVILEGED), |
49af9e13 | 1172 | SD_BUS_METHOD("OpenMachineShell", "sssasas", "hs", method_open_machine_shell, SD_BUS_VTABLE_UNPRIVILEGED), |
70244d1d LP |
1173 | SD_BUS_METHOD("BindMountMachine", "sssbb", NULL, method_bind_mount_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
1174 | SD_BUS_METHOD("CopyFromMachine", "sss", NULL, method_copy_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
1175 | SD_BUS_METHOD("CopyToMachine", "sss", NULL, method_copy_machine, SD_BUS_VTABLE_UNPRIVILEGED), | |
ae203207 | 1176 | SD_BUS_METHOD("OpenMachineRootDirectory", "s", "h", method_open_machine_root_directory, SD_BUS_VTABLE_UNPRIVILEGED), |
3401419b | 1177 | SD_BUS_METHOD("GetMachineUIDShift", "s", "u", method_get_machine_uid_shift, SD_BUS_VTABLE_UNPRIVILEGED), |
70244d1d LP |
1178 | SD_BUS_METHOD("RemoveImage", "s", NULL, method_remove_image, SD_BUS_VTABLE_UNPRIVILEGED), |
1179 | SD_BUS_METHOD("RenameImage", "ss", NULL, method_rename_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
1180 | SD_BUS_METHOD("CloneImage", "ssb", NULL, method_clone_image, SD_BUS_VTABLE_UNPRIVILEGED), | |
1181 | SD_BUS_METHOD("MarkImageReadOnly", "sb", NULL, method_mark_image_read_only, SD_BUS_VTABLE_UNPRIVILEGED), | |
cf30a8c1 LP |
1182 | SD_BUS_METHOD("GetImageHostname", "s", "s", method_get_image_hostname, SD_BUS_VTABLE_UNPRIVILEGED), |
1183 | SD_BUS_METHOD("GetImageMachineID", "s", "ay", method_get_image_machine_id, SD_BUS_VTABLE_UNPRIVILEGED), | |
1184 | SD_BUS_METHOD("GetImageMachineInfo", "s", "a{ss}", method_get_image_machine_info, SD_BUS_VTABLE_UNPRIVILEGED), | |
9153b02b | 1185 | SD_BUS_METHOD("GetImageOSRelease", "s", "a{ss}", method_get_image_os_release, SD_BUS_VTABLE_UNPRIVILEGED), |
d6ce17c7 LP |
1186 | SD_BUS_METHOD("SetPoolLimit", "t", NULL, method_set_pool_limit, SD_BUS_VTABLE_UNPRIVILEGED), |
1187 | SD_BUS_METHOD("SetImageLimit", "st", NULL, method_set_image_limit, SD_BUS_VTABLE_UNPRIVILEGED), | |
d94c2b06 | 1188 | SD_BUS_METHOD("CleanPool", "s", "a(st)", method_clean_pool, SD_BUS_VTABLE_UNPRIVILEGED), |
c01ff965 LP |
1189 | SD_BUS_METHOD("MapFromMachineUser", "su", "u", method_map_from_machine_user, SD_BUS_VTABLE_UNPRIVILEGED), |
1190 | SD_BUS_METHOD("MapToMachineUser", "u", "sou", method_map_to_machine_user, SD_BUS_VTABLE_UNPRIVILEGED), | |
1191 | SD_BUS_METHOD("MapFromMachineGroup", "su", "u", method_map_from_machine_group, SD_BUS_VTABLE_UNPRIVILEGED), | |
1192 | SD_BUS_METHOD("MapToMachineGroup", "u", "sou", method_map_to_machine_group, SD_BUS_VTABLE_UNPRIVILEGED), | |
c3350683 LP |
1193 | SD_BUS_SIGNAL("MachineNew", "so", 0), |
1194 | SD_BUS_SIGNAL("MachineRemoved", "so", 0), | |
1195 | SD_BUS_VTABLE_END | |
1196 | }; | |
1ee306e1 | 1197 | |
19070062 | 1198 | int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 1199 | const char *path, *result, *unit; |
1ee306e1 | 1200 | Manager *m = userdata; |
c3350683 LP |
1201 | Machine *machine; |
1202 | uint32_t id; | |
1203 | int r; | |
1ee306e1 | 1204 | |
1ee306e1 | 1205 | assert(message); |
c3350683 | 1206 | assert(m); |
1ee306e1 | 1207 | |
c3350683 LP |
1208 | r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result); |
1209 | if (r < 0) { | |
ebcf1f97 | 1210 | bus_log_parse_error(r); |
65d73cf0 | 1211 | return 0; |
c3350683 | 1212 | } |
6797c324 | 1213 | |
c3350683 LP |
1214 | machine = hashmap_get(m->machine_units, unit); |
1215 | if (!machine) | |
1216 | return 0; | |
6797c324 | 1217 | |
c3350683 | 1218 | if (streq_ptr(path, machine->scope_job)) { |
491ac9f2 | 1219 | machine->scope_job = mfree(machine->scope_job); |
6797c324 | 1220 | |
c3350683 LP |
1221 | if (machine->started) { |
1222 | if (streq(result, "done")) | |
1223 | machine_send_create_reply(machine, NULL); | |
1224 | else { | |
4afd3348 | 1225 | _cleanup_(sd_bus_error_free) sd_bus_error e = SD_BUS_ERROR_NULL; |
6797c324 | 1226 | |
ebcf1f97 | 1227 | sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result); |
6797c324 | 1228 | |
ebcf1f97 | 1229 | machine_send_create_reply(machine, &e); |
c3350683 | 1230 | } |
49f3fffd LP |
1231 | } |
1232 | ||
1233 | machine_save(machine); | |
1ee306e1 LP |
1234 | } |
1235 | ||
c3350683 LP |
1236 | machine_add_to_gc_queue(machine); |
1237 | return 0; | |
1ee306e1 LP |
1238 | } |
1239 | ||
19070062 | 1240 | int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 1241 | _cleanup_free_ char *unit = NULL; |
49f3fffd | 1242 | const char *path; |
c3350683 LP |
1243 | Manager *m = userdata; |
1244 | Machine *machine; | |
ebcf1f97 | 1245 | int r; |
554604b3 | 1246 | |
c3350683 LP |
1247 | assert(message); |
1248 | assert(m); | |
554604b3 | 1249 | |
c3350683 LP |
1250 | path = sd_bus_message_get_path(message); |
1251 | if (!path) | |
554604b3 | 1252 | return 0; |
554604b3 | 1253 | |
ebcf1f97 | 1254 | r = unit_name_from_dbus_path(path, &unit); |
e5f5b5b9 LP |
1255 | if (r == -EINVAL) /* not for a unit */ |
1256 | return 0; | |
9ed794a3 | 1257 | if (r < 0) { |
9b420b3c LP |
1258 | log_oom(); |
1259 | return 0; | |
1260 | } | |
554604b3 | 1261 | |
c3350683 | 1262 | machine = hashmap_get(m->machine_units, unit); |
9b420b3c LP |
1263 | if (!machine) |
1264 | return 0; | |
1265 | ||
9b420b3c | 1266 | machine_add_to_gc_queue(machine); |
c3350683 LP |
1267 | return 0; |
1268 | } | |
554604b3 | 1269 | |
19070062 | 1270 | int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
1271 | const char *path, *unit; |
1272 | Manager *m = userdata; | |
1273 | Machine *machine; | |
1274 | int r; | |
554604b3 | 1275 | |
c3350683 LP |
1276 | assert(message); |
1277 | assert(m); | |
554604b3 | 1278 | |
c3350683 LP |
1279 | r = sd_bus_message_read(message, "so", &unit, &path); |
1280 | if (r < 0) { | |
ebcf1f97 | 1281 | bus_log_parse_error(r); |
9b420b3c | 1282 | return 0; |
554604b3 LP |
1283 | } |
1284 | ||
c3350683 | 1285 | machine = hashmap_get(m->machine_units, unit); |
9b420b3c LP |
1286 | if (!machine) |
1287 | return 0; | |
1288 | ||
9b420b3c | 1289 | machine_add_to_gc_queue(machine); |
c3350683 LP |
1290 | return 0; |
1291 | } | |
554604b3 | 1292 | |
19070062 | 1293 | int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 1294 | Manager *m = userdata; |
a658cafa LP |
1295 | Machine *machine; |
1296 | Iterator i; | |
c3350683 | 1297 | int b, r; |
554604b3 | 1298 | |
19070062 LP |
1299 | assert(message); |
1300 | assert(m); | |
554604b3 | 1301 | |
c3350683 LP |
1302 | r = sd_bus_message_read(message, "b", &b); |
1303 | if (r < 0) { | |
ebcf1f97 | 1304 | bus_log_parse_error(r); |
65d73cf0 | 1305 | return 0; |
554604b3 | 1306 | } |
a658cafa LP |
1307 | if (b) |
1308 | return 0; | |
554604b3 | 1309 | |
a658cafa LP |
1310 | /* systemd finished reloading, let's recheck all our machines */ |
1311 | log_debug("System manager has been reloaded, rechecking machines..."); | |
554604b3 | 1312 | |
a658cafa LP |
1313 | HASHMAP_FOREACH(machine, m->machines, i) |
1314 | machine_add_to_gc_queue(machine); | |
554604b3 LP |
1315 | |
1316 | return 0; | |
1317 | } | |
1318 | ||
1ee306e1 LP |
1319 | int manager_start_scope( |
1320 | Manager *manager, | |
1321 | const char *scope, | |
1322 | pid_t pid, | |
1323 | const char *slice, | |
1324 | const char *description, | |
c3350683 LP |
1325 | sd_bus_message *more_properties, |
1326 | sd_bus_error *error, | |
1ee306e1 LP |
1327 | char **job) { |
1328 | ||
4afd3348 | 1329 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; |
554604b3 | 1330 | int r; |
1ee306e1 LP |
1331 | |
1332 | assert(manager); | |
1333 | assert(scope); | |
1334 | assert(pid > 1); | |
1335 | ||
c3350683 LP |
1336 | r = sd_bus_message_new_method_call( |
1337 | manager->bus, | |
151b9b96 | 1338 | &m, |
1ee306e1 LP |
1339 | "org.freedesktop.systemd1", |
1340 | "/org/freedesktop/systemd1", | |
1341 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 1342 | "StartTransientUnit"); |
c3350683 LP |
1343 | if (r < 0) |
1344 | return r; | |
1ee306e1 | 1345 | |
a658cafa | 1346 | r = sd_bus_message_append(m, "ss", strempty(scope), "fail"); |
c3350683 LP |
1347 | if (r < 0) |
1348 | return r; | |
1ee306e1 | 1349 | |
c3350683 LP |
1350 | r = sd_bus_message_open_container(m, 'a', "(sv)"); |
1351 | if (r < 0) | |
1352 | return r; | |
1ee306e1 LP |
1353 | |
1354 | if (!isempty(slice)) { | |
c3350683 LP |
1355 | r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice); |
1356 | if (r < 0) | |
1357 | return r; | |
1ee306e1 LP |
1358 | } |
1359 | ||
1360 | if (!isempty(description)) { | |
c3350683 LP |
1361 | r = sd_bus_message_append(m, "(sv)", "Description", "s", description); |
1362 | if (r < 0) | |
1363 | return r; | |
1ee306e1 LP |
1364 | } |
1365 | ||
c3350683 LP |
1366 | r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid); |
1367 | if (r < 0) | |
1368 | return r; | |
554604b3 | 1369 | |
a931ad47 LP |
1370 | r = sd_bus_message_append(m, "(sv)", "Delegate", "b", 1); |
1371 | if (r < 0) | |
1372 | return r; | |
1373 | ||
cf7d1a30 | 1374 | r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", UINT64_C(16384)); |
b370fec2 AC |
1375 | if (r < 0) |
1376 | return bus_log_create_error(r); | |
1377 | ||
554604b3 | 1378 | if (more_properties) { |
c3350683 | 1379 | r = sd_bus_message_copy(m, more_properties, true); |
554604b3 LP |
1380 | if (r < 0) |
1381 | return r; | |
1382 | } | |
1383 | ||
c3350683 LP |
1384 | r = sd_bus_message_close_container(m); |
1385 | if (r < 0) | |
1386 | return r; | |
1ee306e1 | 1387 | |
86b8d289 LP |
1388 | r = sd_bus_message_append(m, "a(sa(sv))", 0); |
1389 | if (r < 0) | |
1390 | return r; | |
1391 | ||
c49b30a2 | 1392 | r = sd_bus_call(manager->bus, m, 0, error, &reply); |
c3350683 LP |
1393 | if (r < 0) |
1394 | return r; | |
1ee306e1 LP |
1395 | |
1396 | if (job) { | |
1397 | const char *j; | |
1398 | char *copy; | |
1399 | ||
c3350683 LP |
1400 | r = sd_bus_message_read(reply, "o", &j); |
1401 | if (r < 0) | |
1402 | return r; | |
1ee306e1 LP |
1403 | |
1404 | copy = strdup(j); | |
1405 | if (!copy) | |
1406 | return -ENOMEM; | |
1407 | ||
1408 | *job = copy; | |
1409 | } | |
1410 | ||
c3350683 | 1411 | return 1; |
1ee306e1 LP |
1412 | } |
1413 | ||
c3350683 | 1414 | int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { |
4afd3348 | 1415 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
1ee306e1 LP |
1416 | int r; |
1417 | ||
1418 | assert(manager); | |
1419 | assert(unit); | |
1420 | ||
c3350683 | 1421 | r = sd_bus_call_method( |
1ee306e1 LP |
1422 | manager->bus, |
1423 | "org.freedesktop.systemd1", | |
1424 | "/org/freedesktop/systemd1", | |
1425 | "org.freedesktop.systemd1.Manager", | |
1426 | "StopUnit", | |
1ee306e1 | 1427 | error, |
c3350683 LP |
1428 | &reply, |
1429 | "ss", unit, "fail"); | |
1ee306e1 | 1430 | if (r < 0) { |
c3350683 LP |
1431 | if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) || |
1432 | sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) { | |
6797c324 LP |
1433 | |
1434 | if (job) | |
1435 | *job = NULL; | |
1436 | ||
c3350683 | 1437 | sd_bus_error_free(error); |
6797c324 LP |
1438 | return 0; |
1439 | } | |
1440 | ||
1ee306e1 LP |
1441 | return r; |
1442 | } | |
1443 | ||
1444 | if (job) { | |
1445 | const char *j; | |
1446 | char *copy; | |
1447 | ||
c3350683 LP |
1448 | r = sd_bus_message_read(reply, "o", &j); |
1449 | if (r < 0) | |
1450 | return r; | |
1ee306e1 LP |
1451 | |
1452 | copy = strdup(j); | |
1453 | if (!copy) | |
1454 | return -ENOMEM; | |
1455 | ||
1456 | *job = copy; | |
1457 | } | |
1458 | ||
6797c324 | 1459 | return 1; |
1ee306e1 LP |
1460 | } |
1461 | ||
de58a50e | 1462 | int manager_kill_unit(Manager *manager, const char *unit, int signo, sd_bus_error *error) { |
1ee306e1 LP |
1463 | assert(manager); |
1464 | assert(unit); | |
1465 | ||
a658cafa | 1466 | return sd_bus_call_method( |
1ee306e1 LP |
1467 | manager->bus, |
1468 | "org.freedesktop.systemd1", | |
1469 | "/org/freedesktop/systemd1", | |
1470 | "org.freedesktop.systemd1.Manager", | |
1471 | "KillUnit", | |
1ee306e1 | 1472 | error, |
a658cafa | 1473 | NULL, |
de58a50e | 1474 | "ssi", unit, "all", signo); |
1ee306e1 LP |
1475 | } |
1476 | ||
1477 | int manager_unit_is_active(Manager *manager, const char *unit) { | |
4afd3348 LP |
1478 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
1479 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
1ee306e1 | 1480 | _cleanup_free_ char *path = NULL; |
1ee306e1 | 1481 | const char *state; |
1ee306e1 LP |
1482 | int r; |
1483 | ||
1484 | assert(manager); | |
1485 | assert(unit); | |
1486 | ||
1ee306e1 LP |
1487 | path = unit_dbus_path_from_name(unit); |
1488 | if (!path) | |
1489 | return -ENOMEM; | |
1490 | ||
c3350683 | 1491 | r = sd_bus_get_property( |
1ee306e1 LP |
1492 | manager->bus, |
1493 | "org.freedesktop.systemd1", | |
1494 | path, | |
c3350683 LP |
1495 | "org.freedesktop.systemd1.Unit", |
1496 | "ActiveState", | |
1ee306e1 | 1497 | &error, |
c3350683 LP |
1498 | &reply, |
1499 | "s"); | |
1ee306e1 | 1500 | if (r < 0) { |
c3350683 LP |
1501 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || |
1502 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
6797c324 | 1503 | return true; |
6797c324 | 1504 | |
c3350683 LP |
1505 | if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) || |
1506 | sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED)) | |
6797c324 | 1507 | return false; |
6797c324 | 1508 | |
1ee306e1 LP |
1509 | return r; |
1510 | } | |
1511 | ||
c3350683 LP |
1512 | r = sd_bus_message_read(reply, "s", &state); |
1513 | if (r < 0) | |
1ee306e1 | 1514 | return -EINVAL; |
1ee306e1 | 1515 | |
9b420b3c | 1516 | return !STR_IN_SET(state, "inactive", "failed"); |
1ee306e1 | 1517 | } |
bd16acf3 | 1518 | |
c3350683 | 1519 | int manager_job_is_active(Manager *manager, const char *path) { |
4afd3348 LP |
1520 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
1521 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
c3350683 | 1522 | int r; |
bd16acf3 | 1523 | |
c3350683 LP |
1524 | assert(manager); |
1525 | assert(path); | |
bd16acf3 | 1526 | |
c3350683 LP |
1527 | r = sd_bus_get_property( |
1528 | manager->bus, | |
1529 | "org.freedesktop.systemd1", | |
1530 | path, | |
1531 | "org.freedesktop.systemd1.Job", | |
1532 | "State", | |
1533 | &error, | |
1534 | &reply, | |
1535 | "s"); | |
1536 | if (r < 0) { | |
1537 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || | |
1538 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
1539 | return true; | |
bd16acf3 | 1540 | |
c3350683 LP |
1541 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT)) |
1542 | return false; | |
bd16acf3 | 1543 | |
bd16acf3 | 1544 | return r; |
c3350683 | 1545 | } |
bd16acf3 | 1546 | |
c3350683 LP |
1547 | /* We don't actually care about the state really. The fact |
1548 | * that we could read the job state is enough for us */ | |
bd16acf3 | 1549 | |
c3350683 | 1550 | return true; |
bd16acf3 | 1551 | } |
ab49725f KS |
1552 | |
1553 | int manager_get_machine_by_pid(Manager *m, pid_t pid, Machine **machine) { | |
ab49725f KS |
1554 | Machine *mm; |
1555 | int r; | |
1556 | ||
1557 | assert(m); | |
1558 | assert(pid >= 1); | |
1559 | assert(machine); | |
1560 | ||
4a0b58c4 | 1561 | mm = hashmap_get(m->machine_leaders, PID_TO_PTR(pid)); |
077c8c36 LP |
1562 | if (!mm) { |
1563 | _cleanup_free_ char *unit = NULL; | |
ab49725f | 1564 | |
077c8c36 LP |
1565 | r = cg_pid_get_unit(pid, &unit); |
1566 | if (r >= 0) | |
1567 | mm = hashmap_get(m->machine_units, unit); | |
1568 | } | |
ab49725f KS |
1569 | if (!mm) |
1570 | return 0; | |
1571 | ||
1572 | *machine = mm; | |
1573 | return 1; | |
1574 | } | |
1575 | ||
1576 | int manager_add_machine(Manager *m, const char *name, Machine **_machine) { | |
1577 | Machine *machine; | |
1578 | ||
1579 | assert(m); | |
1580 | assert(name); | |
1581 | ||
1582 | machine = hashmap_get(m->machines, name); | |
1583 | if (!machine) { | |
fbe55073 | 1584 | machine = machine_new(m, _MACHINE_CLASS_INVALID, name); |
ab49725f KS |
1585 | if (!machine) |
1586 | return -ENOMEM; | |
1587 | } | |
1588 | ||
1589 | if (_machine) | |
1590 | *_machine = machine; | |
1591 | ||
1592 | return 0; | |
1593 | } |