]>
Commit | Line | Data |
---|---|---|
db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
3d7415f4 LP |
2 | |
3 | #include <sys/prctl.h> | |
d7e454ba | 4 | #include <sys/wait.h> |
3d7415f4 LP |
5 | |
6 | #include "sd-bus.h" | |
3ffd4af2 | 7 | |
b5efdb8a | 8 | #include "alloc-util.h" |
a0afd4e7 | 9 | #include "build-path.h" |
3d7415f4 | 10 | #include "bus-common-errors.h" |
40af3d02 | 11 | #include "bus-get-properties.h" |
ac9f55ed | 12 | #include "bus-log-control-api.h" |
269e4d2d | 13 | #include "bus-polkit.h" |
82fa9f28 | 14 | #include "common-signal.h" |
28db6fbf | 15 | #include "constants.h" |
deb86997 | 16 | #include "daemon-util.h" |
d7548908 | 17 | #include "env-util.h" |
3ffd4af2 | 18 | #include "fd-util.h" |
1d7579c4 | 19 | #include "float.h" |
3ffd4af2 LP |
20 | #include "hostname-util.h" |
21 | #include "import-util.h" | |
432cea00 | 22 | #include "machine-pool.h" |
5e332028 | 23 | #include "main-func.h" |
f5947a5e | 24 | #include "missing_capability.h" |
35cd0ba5 | 25 | #include "mkdir-label.h" |
6bedfcbb | 26 | #include "parse-util.h" |
113b3fc1 | 27 | #include "path-util.h" |
ed5033fd | 28 | #include "percent-util.h" |
0b452006 | 29 | #include "process-util.h" |
fc021a5b | 30 | #include "service-util.h" |
40af3d02 | 31 | #include "signal-util.h" |
3ffd4af2 | 32 | #include "socket-util.h" |
176a05c2 | 33 | #include "stat-util.h" |
8b43440b | 34 | #include "string-table.h" |
3ffd4af2 | 35 | #include "strv.h" |
7ccbd1ae | 36 | #include "syslog-util.h" |
ee104e11 | 37 | #include "user-util.h" |
49cf4170 | 38 | #include "web-util.h" |
3d7415f4 LP |
39 | |
40 | typedef struct Transfer Transfer; | |
41 | typedef struct Manager Manager; | |
42 | ||
43 | typedef enum TransferType { | |
b6e676ce LP |
44 | TRANSFER_IMPORT_TAR, |
45 | TRANSFER_IMPORT_RAW, | |
1d7579c4 | 46 | TRANSFER_IMPORT_FS, |
587fec42 LP |
47 | TRANSFER_EXPORT_TAR, |
48 | TRANSFER_EXPORT_RAW, | |
b6e676ce LP |
49 | TRANSFER_PULL_TAR, |
50 | TRANSFER_PULL_RAW, | |
3d7415f4 | 51 | _TRANSFER_TYPE_MAX, |
2d93c20e | 52 | _TRANSFER_TYPE_INVALID = -EINVAL, |
3d7415f4 LP |
53 | } TransferType; |
54 | ||
55 | struct Transfer { | |
56 | Manager *manager; | |
57 | ||
58 | uint32_t id; | |
59 | char *object_path; | |
60 | ||
61 | TransferType type; | |
62 | ImportVerify verify; | |
63 | ||
64 | char *remote; | |
65 | char *local; | |
66 | bool force_local; | |
b6e676ce | 67 | bool read_only; |
3d7415f4 | 68 | |
587fec42 | 69 | char *format; |
3d7415f4 LP |
70 | |
71 | pid_t pid; | |
72 | ||
73 | int log_fd; | |
74 | ||
75 | char log_message[LINE_MAX]; | |
76 | size_t log_message_size; | |
77 | ||
78 | sd_event_source *pid_event_source; | |
79 | sd_event_source *log_event_source; | |
80 | ||
81 | unsigned n_canceled; | |
7079cfef | 82 | unsigned progress_percent; |
b6e676ce LP |
83 | |
84 | int stdin_fd; | |
587fec42 | 85 | int stdout_fd; |
3d7415f4 LP |
86 | }; |
87 | ||
88 | struct Manager { | |
89 | sd_event *event; | |
90 | sd_bus *bus; | |
91 | ||
92 | uint32_t current_transfer_id; | |
93 | Hashmap *transfers; | |
94 | ||
95 | Hashmap *polkit_registry; | |
7079cfef LP |
96 | |
97 | int notify_fd; | |
98 | ||
99 | sd_event_source *notify_event_source; | |
c7779a61 IS |
100 | |
101 | bool use_btrfs_subvol; | |
102 | bool use_btrfs_quota; | |
3d7415f4 LP |
103 | }; |
104 | ||
105 | #define TRANSFERS_MAX 64 | |
106 | ||
107 | static const char* const transfer_type_table[_TRANSFER_TYPE_MAX] = { | |
b6e676ce LP |
108 | [TRANSFER_IMPORT_TAR] = "import-tar", |
109 | [TRANSFER_IMPORT_RAW] = "import-raw", | |
1d7579c4 | 110 | [TRANSFER_IMPORT_FS] = "import-fs", |
587fec42 LP |
111 | [TRANSFER_EXPORT_TAR] = "export-tar", |
112 | [TRANSFER_EXPORT_RAW] = "export-raw", | |
b6e676ce LP |
113 | [TRANSFER_PULL_TAR] = "pull-tar", |
114 | [TRANSFER_PULL_RAW] = "pull-raw", | |
3d7415f4 LP |
115 | }; |
116 | ||
b9a5f858 | 117 | DEFINE_PRIVATE_STRING_TABLE_LOOKUP_TO_STRING(transfer_type, TransferType); |
3d7415f4 LP |
118 | |
119 | static Transfer *transfer_unref(Transfer *t) { | |
120 | if (!t) | |
121 | return NULL; | |
122 | ||
123 | if (t->manager) | |
124 | hashmap_remove(t->manager->transfers, UINT32_TO_PTR(t->id)); | |
125 | ||
126 | sd_event_source_unref(t->pid_event_source); | |
127 | sd_event_source_unref(t->log_event_source); | |
128 | ||
129 | free(t->remote); | |
130 | free(t->local); | |
587fec42 | 131 | free(t->format); |
3d7415f4 LP |
132 | free(t->object_path); |
133 | ||
7950211d LP |
134 | if (t->pid > 1) |
135 | sigkill_wait(t->pid); | |
3d7415f4 LP |
136 | |
137 | safe_close(t->log_fd); | |
b6e676ce | 138 | safe_close(t->stdin_fd); |
587fec42 | 139 | safe_close(t->stdout_fd); |
3d7415f4 | 140 | |
6b430fdb | 141 | return mfree(t); |
3d7415f4 LP |
142 | } |
143 | ||
144 | DEFINE_TRIVIAL_CLEANUP_FUNC(Transfer*, transfer_unref); | |
145 | ||
146 | static int transfer_new(Manager *m, Transfer **ret) { | |
147 | _cleanup_(transfer_unrefp) Transfer *t = NULL; | |
148 | uint32_t id; | |
149 | int r; | |
150 | ||
151 | assert(m); | |
152 | assert(ret); | |
153 | ||
154 | if (hashmap_size(m->transfers) >= TRANSFERS_MAX) | |
155 | return -E2BIG; | |
156 | ||
0d94088e | 157 | t = new(Transfer, 1); |
3d7415f4 LP |
158 | if (!t) |
159 | return -ENOMEM; | |
160 | ||
0d94088e YW |
161 | *t = (Transfer) { |
162 | .type = _TRANSFER_TYPE_INVALID, | |
254d1313 ZJS |
163 | .log_fd = -EBADF, |
164 | .stdin_fd = -EBADF, | |
165 | .stdout_fd = -EBADF, | |
0d94088e | 166 | .verify = _IMPORT_VERIFY_INVALID, |
f5fbe71d | 167 | .progress_percent= UINT_MAX, |
0d94088e | 168 | }; |
3d7415f4 LP |
169 | |
170 | id = m->current_transfer_id + 1; | |
171 | ||
172 | if (asprintf(&t->object_path, "/org/freedesktop/import1/transfer/_%" PRIu32, id) < 0) | |
173 | return -ENOMEM; | |
174 | ||
df24a407 | 175 | r = hashmap_ensure_put(&m->transfers, &trivial_hash_ops, UINT32_TO_PTR(id), t); |
3d7415f4 LP |
176 | if (r < 0) |
177 | return r; | |
178 | ||
179 | m->current_transfer_id = id; | |
180 | ||
181 | t->manager = m; | |
182 | t->id = id; | |
183 | ||
1cc6c93a | 184 | *ret = TAKE_PTR(t); |
3d7415f4 LP |
185 | |
186 | return 0; | |
187 | } | |
188 | ||
1d7579c4 LP |
189 | static double transfer_percent_as_double(Transfer *t) { |
190 | assert(t); | |
191 | ||
f5fbe71d | 192 | if (t->progress_percent == UINT_MAX) |
1d7579c4 LP |
193 | return -DBL_MAX; |
194 | ||
195 | return (double) t->progress_percent / 100.0; | |
196 | } | |
197 | ||
3d7415f4 LP |
198 | static void transfer_send_log_line(Transfer *t, const char *line) { |
199 | int r, priority = LOG_INFO; | |
200 | ||
201 | assert(t); | |
202 | assert(line); | |
203 | ||
204 | syslog_parse_priority(&line, &priority, true); | |
205 | ||
09d46cfd | 206 | log_full(priority, "(transfer%" PRIu32 ") %s", t->id, line); |
3d7415f4 LP |
207 | |
208 | r = sd_bus_emit_signal( | |
209 | t->manager->bus, | |
210 | t->object_path, | |
211 | "org.freedesktop.import1.Transfer", | |
212 | "LogMessage", | |
213 | "us", | |
214 | priority, | |
215 | line); | |
216 | if (r < 0) | |
5b6299ee | 217 | log_warning_errno(r, "Cannot emit log message signal, ignoring: %m"); |
3d7415f4 LP |
218 | } |
219 | ||
220 | static void transfer_send_logs(Transfer *t, bool flush) { | |
221 | assert(t); | |
222 | ||
223 | /* Try to send out all log messages, if we can. But if we | |
224 | * can't we remove the messages from the buffer, but don't | |
225 | * fail */ | |
226 | ||
227 | while (t->log_message_size > 0) { | |
228 | _cleanup_free_ char *n = NULL; | |
229 | char *e; | |
230 | ||
231 | if (t->log_message_size >= sizeof(t->log_message)) | |
232 | e = t->log_message + sizeof(t->log_message); | |
233 | else { | |
234 | char *a, *b; | |
235 | ||
236 | a = memchr(t->log_message, 0, t->log_message_size); | |
237 | b = memchr(t->log_message, '\n', t->log_message_size); | |
238 | ||
239 | if (a && b) | |
240 | e = a < b ? a : b; | |
241 | else if (a) | |
242 | e = a; | |
243 | else | |
244 | e = b; | |
245 | } | |
246 | ||
247 | if (!e) { | |
248 | if (!flush) | |
249 | return; | |
250 | ||
251 | e = t->log_message + t->log_message_size; | |
252 | } | |
253 | ||
254 | n = strndup(t->log_message, e - t->log_message); | |
255 | ||
256 | /* Skip over NUL and newlines */ | |
ed0cb346 | 257 | while (e < t->log_message + t->log_message_size && IN_SET(*e, 0, '\n')) |
3d7415f4 LP |
258 | e++; |
259 | ||
260 | memmove(t->log_message, e, t->log_message + sizeof(t->log_message) - e); | |
261 | t->log_message_size -= e - t->log_message; | |
262 | ||
263 | if (!n) { | |
264 | log_oom(); | |
265 | continue; | |
266 | } | |
267 | ||
268 | if (isempty(n)) | |
269 | continue; | |
270 | ||
271 | transfer_send_log_line(t, n); | |
272 | } | |
273 | } | |
274 | ||
275 | static int transfer_finalize(Transfer *t, bool success) { | |
276 | int r; | |
277 | ||
278 | assert(t); | |
279 | ||
280 | transfer_send_logs(t, true); | |
281 | ||
282 | r = sd_bus_emit_signal( | |
283 | t->manager->bus, | |
284 | "/org/freedesktop/import1", | |
285 | "org.freedesktop.import1.Manager", | |
286 | "TransferRemoved", | |
287 | "uos", | |
288 | t->id, | |
289 | t->object_path, | |
290 | success ? "done" : | |
291 | t->n_canceled > 0 ? "canceled" : "failed"); | |
292 | ||
293 | if (r < 0) | |
294 | log_error_errno(r, "Cannot emit message: %m"); | |
295 | ||
296 | transfer_unref(t); | |
297 | return 0; | |
298 | } | |
299 | ||
300 | static int transfer_cancel(Transfer *t) { | |
301 | int r; | |
302 | ||
303 | assert(t); | |
304 | ||
305 | r = kill_and_sigcont(t->pid, t->n_canceled < 3 ? SIGTERM : SIGKILL); | |
306 | if (r < 0) | |
307 | return r; | |
308 | ||
309 | t->n_canceled++; | |
310 | return 0; | |
311 | } | |
312 | ||
313 | static int transfer_on_pid(sd_event_source *s, const siginfo_t *si, void *userdata) { | |
99534007 | 314 | Transfer *t = ASSERT_PTR(userdata); |
3d7415f4 LP |
315 | bool success = false; |
316 | ||
317 | assert(s); | |
3d7415f4 LP |
318 | |
319 | if (si->si_code == CLD_EXITED) { | |
320 | if (si->si_status != 0) | |
4b71c27b | 321 | log_error("Transfer process failed with exit code %i.", si->si_status); |
3d7415f4 | 322 | else { |
4b71c27b | 323 | log_debug("Transfer process succeeded."); |
3d7415f4 LP |
324 | success = true; |
325 | } | |
326 | ||
3742095b | 327 | } else if (IN_SET(si->si_code, CLD_KILLED, CLD_DUMPED)) |
4b71c27b | 328 | log_error("Transfer process terminated by signal %s.", signal_to_string(si->si_status)); |
3d7415f4 | 329 | else |
4b71c27b | 330 | log_error("Transfer process failed due to unknown reason."); |
3d7415f4 LP |
331 | |
332 | t->pid = 0; | |
333 | ||
334 | return transfer_finalize(t, success); | |
335 | } | |
336 | ||
337 | static int transfer_on_log(sd_event_source *s, int fd, uint32_t revents, void *userdata) { | |
99534007 | 338 | Transfer *t = ASSERT_PTR(userdata); |
3d7415f4 LP |
339 | ssize_t l; |
340 | ||
341 | assert(s); | |
3d7415f4 LP |
342 | |
343 | l = read(fd, t->log_message + t->log_message_size, sizeof(t->log_message) - t->log_message_size); | |
b0325c99 LP |
344 | if (l < 0) |
345 | log_error_errno(errno, "Failed to read log message: %m"); | |
3d7415f4 LP |
346 | if (l <= 0) { |
347 | /* EOF/read error. We just close the pipe here, and | |
348 | * close the watch, waiting for the SIGCHLD to arrive, | |
349 | * before we do anything else. */ | |
3d7415f4 LP |
350 | t->log_event_source = sd_event_source_unref(t->log_event_source); |
351 | return 0; | |
352 | } | |
353 | ||
354 | t->log_message_size += l; | |
355 | ||
356 | transfer_send_logs(t, false); | |
357 | ||
358 | return 0; | |
359 | } | |
360 | ||
361 | static int transfer_start(Transfer *t) { | |
71136404 | 362 | _cleanup_close_pair_ int pipefd[2] = EBADF_PAIR; |
3d7415f4 LP |
363 | int r; |
364 | ||
365 | assert(t); | |
366 | assert(t->pid <= 0); | |
367 | ||
368 | if (pipe2(pipefd, O_CLOEXEC) < 0) | |
369 | return -errno; | |
370 | ||
0c2aedb4 YW |
371 | r = safe_fork_full("(sd-transfer)", |
372 | (int[]) { t->stdin_fd, t->stdout_fd < 0 ? pipefd[1] : t->stdout_fd, pipefd[1] }, | |
373 | NULL, 0, | |
e9ccae31 | 374 | FORK_RESET_SIGNALS|FORK_CLOSE_ALL_FDS|FORK_DEATHSIG_SIGTERM|FORK_REARRANGE_STDIO, &t->pid); |
4c253ed1 LP |
375 | if (r < 0) |
376 | return r; | |
377 | if (r == 0) { | |
3d7415f4 | 378 | const char *cmd[] = { |
1d7579c4 | 379 | NULL, /* systemd-import, systemd-import-fs, systemd-export or systemd-pull */ |
b43d75c3 | 380 | NULL, /* tar, raw */ |
b6e676ce | 381 | NULL, /* --verify= */ |
3d7415f4 LP |
382 | NULL, /* verify argument */ |
383 | NULL, /* maybe --force */ | |
b6e676ce | 384 | NULL, /* maybe --read-only */ |
587fec42 LP |
385 | NULL, /* if so: the actual URL */ |
386 | NULL, /* maybe --format= */ | |
387 | NULL, /* if so: the actual format */ | |
3d7415f4 LP |
388 | NULL, /* remote */ |
389 | NULL, /* local */ | |
390 | NULL | |
391 | }; | |
b6e676ce | 392 | unsigned k = 0; |
3d7415f4 LP |
393 | |
394 | /* Child */ | |
395 | ||
df8067ef ZJS |
396 | if (setenv("SYSTEMD_LOG_TARGET", "console-prefixed", 1) < 0 || |
397 | setenv("NOTIFY_SOCKET", "/run/systemd/import/notify", 1) < 0) { | |
398 | log_error_errno(errno, "setenv() failed: %m"); | |
399 | _exit(EXIT_FAILURE); | |
400 | } | |
3d7415f4 | 401 | |
d7548908 YW |
402 | r = setenv_systemd_exec_pid(true); |
403 | if (r < 0) | |
404 | log_warning_errno(r, "Failed to update $SYSTEMD_EXEC_PID, ignoring: %m"); | |
405 | ||
1d7579c4 LP |
406 | switch (t->type) { |
407 | ||
408 | case TRANSFER_IMPORT_TAR: | |
409 | case TRANSFER_IMPORT_RAW: | |
b6e676ce | 410 | cmd[k++] = SYSTEMD_IMPORT_PATH; |
1d7579c4 LP |
411 | break; |
412 | ||
413 | case TRANSFER_IMPORT_FS: | |
414 | cmd[k++] = SYSTEMD_IMPORT_FS_PATH; | |
415 | break; | |
416 | ||
417 | case TRANSFER_EXPORT_TAR: | |
418 | case TRANSFER_EXPORT_RAW: | |
587fec42 | 419 | cmd[k++] = SYSTEMD_EXPORT_PATH; |
1d7579c4 LP |
420 | break; |
421 | ||
422 | case TRANSFER_PULL_TAR: | |
423 | case TRANSFER_PULL_RAW: | |
b6e676ce | 424 | cmd[k++] = SYSTEMD_PULL_PATH; |
1d7579c4 LP |
425 | break; |
426 | ||
427 | default: | |
04499a70 | 428 | assert_not_reached(); |
1d7579c4 LP |
429 | } |
430 | ||
431 | switch (t->type) { | |
b6e676ce | 432 | |
1d7579c4 LP |
433 | case TRANSFER_IMPORT_TAR: |
434 | case TRANSFER_EXPORT_TAR: | |
435 | case TRANSFER_PULL_TAR: | |
b6e676ce | 436 | cmd[k++] = "tar"; |
1d7579c4 LP |
437 | break; |
438 | ||
439 | case TRANSFER_IMPORT_RAW: | |
440 | case TRANSFER_EXPORT_RAW: | |
441 | case TRANSFER_PULL_RAW: | |
b43d75c3 | 442 | cmd[k++] = "raw"; |
1d7579c4 LP |
443 | break; |
444 | ||
445 | case TRANSFER_IMPORT_FS: | |
446 | cmd[k++] = "run"; | |
447 | break; | |
448 | ||
449 | default: | |
450 | break; | |
451 | } | |
b6e676ce LP |
452 | |
453 | if (t->verify != _IMPORT_VERIFY_INVALID) { | |
454 | cmd[k++] = "--verify"; | |
455 | cmd[k++] = import_verify_to_string(t->verify); | |
456 | } | |
457 | ||
3d7415f4 LP |
458 | if (t->force_local) |
459 | cmd[k++] = "--force"; | |
b6e676ce LP |
460 | if (t->read_only) |
461 | cmd[k++] = "--read-only"; | |
3d7415f4 | 462 | |
587fec42 LP |
463 | if (t->format) { |
464 | cmd[k++] = "--format"; | |
465 | cmd[k++] = t->format; | |
466 | } | |
467 | ||
468 | if (!IN_SET(t->type, TRANSFER_EXPORT_TAR, TRANSFER_EXPORT_RAW)) { | |
469 | if (t->remote) | |
470 | cmd[k++] = t->remote; | |
471 | else | |
472 | cmd[k++] = "-"; | |
473 | } | |
b6e676ce | 474 | |
3d7415f4 LP |
475 | if (t->local) |
476 | cmd[k++] = t->local; | |
477 | cmd[k] = NULL; | |
478 | ||
a0afd4e7 LP |
479 | assert(k < ELEMENTSOF(cmd)); |
480 | ||
481 | r = invoke_callout_binary(cmd[0], (char * const *) cmd); | |
482 | log_error_errno(r, "Failed to execute %s tool: %m", cmd[0]); | |
3d7415f4 LP |
483 | _exit(EXIT_FAILURE); |
484 | } | |
485 | ||
486 | pipefd[1] = safe_close(pipefd[1]); | |
c10d6bdb | 487 | t->log_fd = TAKE_FD(pipefd[0]); |
3d7415f4 | 488 | |
b6e676ce LP |
489 | t->stdin_fd = safe_close(t->stdin_fd); |
490 | ||
ab09bf90 ZJS |
491 | r = sd_event_add_child(t->manager->event, &t->pid_event_source, |
492 | t->pid, WEXITED, transfer_on_pid, t); | |
3d7415f4 LP |
493 | if (r < 0) |
494 | return r; | |
495 | ||
ab09bf90 ZJS |
496 | r = sd_event_add_io(t->manager->event, &t->log_event_source, |
497 | t->log_fd, EPOLLIN, transfer_on_log, t); | |
3d7415f4 LP |
498 | if (r < 0) |
499 | return r; | |
500 | ||
501 | /* Make sure always process logging before SIGCHLD */ | |
502 | r = sd_event_source_set_priority(t->log_event_source, SD_EVENT_PRIORITY_NORMAL -5); | |
503 | if (r < 0) | |
504 | return r; | |
505 | ||
506 | r = sd_bus_emit_signal( | |
507 | t->manager->bus, | |
508 | "/org/freedesktop/import1", | |
509 | "org.freedesktop.import1.Manager", | |
510 | "TransferNew", | |
511 | "uo", | |
512 | t->id, | |
513 | t->object_path); | |
514 | if (r < 0) | |
515 | return r; | |
516 | ||
517 | return 0; | |
518 | } | |
519 | ||
520 | static Manager *manager_unref(Manager *m) { | |
521 | Transfer *t; | |
522 | ||
523 | if (!m) | |
524 | return NULL; | |
525 | ||
7079cfef LP |
526 | sd_event_source_unref(m->notify_event_source); |
527 | safe_close(m->notify_fd); | |
528 | ||
3d7415f4 LP |
529 | while ((t = hashmap_first(m->transfers))) |
530 | transfer_unref(t); | |
531 | ||
532 | hashmap_free(m->transfers); | |
533 | ||
2a1ffd3e | 534 | hashmap_free(m->polkit_registry); |
3d7415f4 | 535 | |
03976f7b | 536 | m->bus = sd_bus_flush_close_unref(m->bus); |
3d7415f4 LP |
537 | sd_event_unref(m->event); |
538 | ||
6b430fdb | 539 | return mfree(m); |
3d7415f4 LP |
540 | } |
541 | ||
542 | DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_unref); | |
543 | ||
7079cfef LP |
544 | static int manager_on_notify(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
545 | ||
546 | char buf[NOTIFY_BUFFER_MAX+1]; | |
547 | struct iovec iovec = { | |
548 | .iov_base = buf, | |
549 | .iov_len = sizeof(buf)-1, | |
550 | }; | |
fb29cdbe LP |
551 | CMSG_BUFFER_TYPE(CMSG_SPACE(sizeof(struct ucred)) + |
552 | CMSG_SPACE(sizeof(int) * NOTIFY_FD_MAX)) control; | |
7079cfef LP |
553 | struct msghdr msghdr = { |
554 | .msg_iov = &iovec, | |
555 | .msg_iovlen = 1, | |
556 | .msg_control = &control, | |
557 | .msg_controllen = sizeof(control), | |
558 | }; | |
371d72e0 | 559 | struct ucred *ucred; |
7079cfef | 560 | Manager *m = userdata; |
7079cfef | 561 | Transfer *t; |
7079cfef | 562 | ssize_t n; |
90f5f355 | 563 | char *p; |
7079cfef LP |
564 | int r; |
565 | ||
3691bcf3 | 566 | n = recvmsg_safe(fd, &msghdr, MSG_DONTWAIT|MSG_CMSG_CLOEXEC); |
8add30a0 YW |
567 | if (n < 0) { |
568 | if (ERRNO_IS_TRANSIENT(n)) | |
569 | return 0; | |
3691bcf3 | 570 | return (int) n; |
8add30a0 | 571 | } |
7079cfef | 572 | |
1c8da044 LP |
573 | cmsg_close_all(&msghdr); |
574 | ||
7079cfef LP |
575 | if (msghdr.msg_flags & MSG_TRUNC) { |
576 | log_warning("Got overly long notification datagram, ignoring."); | |
577 | return 0; | |
578 | } | |
579 | ||
371d72e0 | 580 | ucred = CMSG_FIND_DATA(&msghdr, SOL_SOCKET, SCM_CREDENTIALS, struct ucred); |
7079cfef LP |
581 | if (!ucred || ucred->pid <= 0) { |
582 | log_warning("Got notification datagram lacking credential information, ignoring."); | |
583 | return 0; | |
584 | } | |
585 | ||
90e74a66 | 586 | HASHMAP_FOREACH(t, m->transfers) |
7079cfef LP |
587 | if (ucred->pid == t->pid) |
588 | break; | |
589 | ||
590 | if (!t) { | |
591 | log_warning("Got notification datagram from unexpected peer, ignoring."); | |
592 | return 0; | |
593 | } | |
594 | ||
595 | buf[n] = 0; | |
596 | ||
50ed5cbf LP |
597 | p = find_line_startswith(buf, "X_IMPORT_PROGRESS="); |
598 | if (!p) | |
599 | return 0; | |
7079cfef | 600 | |
90f5f355 | 601 | truncate_nl(p); |
7079cfef | 602 | |
5a8582fb LP |
603 | r = parse_percent(p); |
604 | if (r < 0) { | |
a986de68 | 605 | log_warning("Got invalid percent value '%s', ignoring.", p); |
7079cfef LP |
606 | return 0; |
607 | } | |
608 | ||
5a8582fb | 609 | t->progress_percent = (unsigned) r; |
7079cfef | 610 | |
5a8582fb | 611 | log_debug("Got percentage from client: %u%%", t->progress_percent); |
7079cfef LP |
612 | return 0; |
613 | } | |
614 | ||
3d7415f4 LP |
615 | static int manager_new(Manager **ret) { |
616 | _cleanup_(manager_unrefp) Manager *m = NULL; | |
7079cfef LP |
617 | static const union sockaddr_union sa = { |
618 | .un.sun_family = AF_UNIX, | |
619 | .un.sun_path = "/run/systemd/import/notify", | |
620 | }; | |
3d7415f4 LP |
621 | int r; |
622 | ||
623 | assert(ret); | |
624 | ||
c7779a61 | 625 | m = new(Manager, 1); |
3d7415f4 LP |
626 | if (!m) |
627 | return -ENOMEM; | |
628 | ||
c7779a61 IS |
629 | *m = (Manager) { |
630 | .use_btrfs_subvol = true, | |
631 | .use_btrfs_quota = true, | |
632 | }; | |
633 | ||
3d7415f4 LP |
634 | r = sd_event_default(&m->event); |
635 | if (r < 0) | |
636 | return r; | |
637 | ||
82fa9f28 LP |
638 | (void) sd_event_set_watchdog(m->event, true); |
639 | ||
640 | r = sd_event_add_signal(m->event, NULL, SIGINT, NULL, NULL); | |
641 | if (r < 0) | |
642 | return r; | |
643 | ||
644 | r = sd_event_add_signal(m->event, NULL, SIGTERM, NULL, NULL); | |
645 | if (r < 0) | |
646 | return r; | |
647 | ||
648 | r = sd_event_add_signal(m->event, NULL, SIGRTMIN+18, sigrtmin18_handler, NULL); | |
649 | if (r < 0) | |
650 | return r; | |
651 | ||
652 | r = sd_event_add_memory_pressure(m->event, NULL, NULL, NULL); | |
653 | if (r < 0) | |
654 | log_debug_errno(r, "Failed allocate memory pressure event source, ignoring: %m"); | |
3d7415f4 LP |
655 | |
656 | r = sd_bus_default_system(&m->bus); | |
657 | if (r < 0) | |
658 | return r; | |
659 | ||
7079cfef LP |
660 | m->notify_fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0); |
661 | if (m->notify_fd < 0) | |
662 | return -errno; | |
663 | ||
664 | (void) mkdir_parents_label(sa.un.sun_path, 0755); | |
155b6876 | 665 | (void) sockaddr_un_unlink(&sa.un); |
7079cfef | 666 | |
fc2fffe7 | 667 | if (bind(m->notify_fd, &sa.sa, SOCKADDR_UN_LEN(sa.un)) < 0) |
7079cfef LP |
668 | return -errno; |
669 | ||
2ff48e98 LP |
670 | r = setsockopt_int(m->notify_fd, SOL_SOCKET, SO_PASSCRED, true); |
671 | if (r < 0) | |
672 | return r; | |
7079cfef | 673 | |
ab09bf90 ZJS |
674 | r = sd_event_add_io(m->event, &m->notify_event_source, |
675 | m->notify_fd, EPOLLIN, manager_on_notify, m); | |
7079cfef LP |
676 | if (r < 0) |
677 | return r; | |
678 | ||
1cc6c93a | 679 | *ret = TAKE_PTR(m); |
3d7415f4 LP |
680 | |
681 | return 0; | |
682 | } | |
683 | ||
b43d75c3 | 684 | static Transfer *manager_find(Manager *m, TransferType type, const char *remote) { |
3d7415f4 | 685 | Transfer *t; |
3d7415f4 LP |
686 | |
687 | assert(m); | |
688 | assert(type >= 0); | |
689 | assert(type < _TRANSFER_TYPE_MAX); | |
690 | ||
90e74a66 | 691 | HASHMAP_FOREACH(t, m->transfers) |
b0325c99 | 692 | if (t->type == type && streq_ptr(t->remote, remote)) |
3d7415f4 | 693 | return t; |
3d7415f4 LP |
694 | |
695 | return NULL; | |
696 | } | |
697 | ||
19070062 | 698 | static int method_import_tar_or_raw(sd_bus_message *msg, void *userdata, sd_bus_error *error) { |
b6e676ce LP |
699 | _cleanup_(transfer_unrefp) Transfer *t = NULL; |
700 | int fd, force, read_only, r; | |
701 | const char *local, *object; | |
99534007 | 702 | Manager *m = ASSERT_PTR(userdata); |
b6e676ce | 703 | TransferType type; |
1209ef94 | 704 | struct stat st; |
b6e676ce LP |
705 | uint32_t id; |
706 | ||
19070062 | 707 | assert(msg); |
19070062 | 708 | |
b6e676ce LP |
709 | r = bus_verify_polkit_async( |
710 | msg, | |
b6e676ce | 711 | "org.freedesktop.import1.import", |
7b36fb9f | 712 | /* details= */ NULL, |
b6e676ce LP |
713 | &m->polkit_registry, |
714 | error); | |
715 | if (r < 0) | |
716 | return r; | |
717 | if (r == 0) | |
718 | return 1; /* Will call us back */ | |
719 | ||
720 | r = sd_bus_message_read(msg, "hsbb", &fd, &local, &force, &read_only); | |
721 | if (r < 0) | |
722 | return r; | |
723 | ||
1209ef94 AZ |
724 | if (fstat(fd, &st) < 0) |
725 | return -errno; | |
726 | ||
727 | if (!S_ISREG(st.st_mode) && !S_ISFIFO(st.st_mode)) | |
728 | return -EINVAL; | |
176a05c2 | 729 | |
52ef5dd7 | 730 | if (!hostname_is_valid(local, 0)) |
ab09bf90 ZJS |
731 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
732 | "Local name %s is invalid", local); | |
b6e676ce | 733 | |
c7779a61 | 734 | r = setup_machine_directory(error, m->use_btrfs_subvol, m->use_btrfs_quota); |
b6e676ce LP |
735 | if (r < 0) |
736 | return r; | |
737 | ||
ab09bf90 ZJS |
738 | type = streq_ptr(sd_bus_message_get_member(msg), "ImportTar") ? |
739 | TRANSFER_IMPORT_TAR : TRANSFER_IMPORT_RAW; | |
b6e676ce LP |
740 | |
741 | r = transfer_new(m, &t); | |
742 | if (r < 0) | |
743 | return r; | |
744 | ||
745 | t->type = type; | |
746 | t->force_local = force; | |
747 | t->read_only = read_only; | |
748 | ||
749 | t->local = strdup(local); | |
750 | if (!t->local) | |
751 | return -ENOMEM; | |
752 | ||
753 | t->stdin_fd = fcntl(fd, F_DUPFD_CLOEXEC, 3); | |
754 | if (t->stdin_fd < 0) | |
755 | return -errno; | |
756 | ||
757 | r = transfer_start(t); | |
758 | if (r < 0) | |
759 | return r; | |
760 | ||
761 | object = t->object_path; | |
762 | id = t->id; | |
763 | t = NULL; | |
764 | ||
765 | return sd_bus_reply_method_return(msg, "uo", id, object); | |
766 | } | |
767 | ||
1d7579c4 LP |
768 | static int method_import_fs(sd_bus_message *msg, void *userdata, sd_bus_error *error) { |
769 | _cleanup_(transfer_unrefp) Transfer *t = NULL; | |
770 | int fd, force, read_only, r; | |
771 | const char *local, *object; | |
99534007 | 772 | Manager *m = ASSERT_PTR(userdata); |
1d7579c4 LP |
773 | uint32_t id; |
774 | ||
775 | assert(msg); | |
1d7579c4 LP |
776 | |
777 | r = bus_verify_polkit_async( | |
778 | msg, | |
1d7579c4 | 779 | "org.freedesktop.import1.import", |
7b36fb9f | 780 | /* details= */ NULL, |
1d7579c4 LP |
781 | &m->polkit_registry, |
782 | error); | |
783 | if (r < 0) | |
784 | return r; | |
785 | if (r == 0) | |
786 | return 1; /* Will call us back */ | |
787 | ||
788 | r = sd_bus_message_read(msg, "hsbb", &fd, &local, &force, &read_only); | |
789 | if (r < 0) | |
790 | return r; | |
791 | ||
176a05c2 LP |
792 | r = fd_verify_directory(fd); |
793 | if (r < 0) | |
794 | return r; | |
795 | ||
52ef5dd7 | 796 | if (!hostname_is_valid(local, 0)) |
ab09bf90 ZJS |
797 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
798 | "Local name %s is invalid", local); | |
1d7579c4 | 799 | |
c7779a61 | 800 | r = setup_machine_directory(error, m->use_btrfs_subvol, m->use_btrfs_quota); |
1d7579c4 LP |
801 | if (r < 0) |
802 | return r; | |
803 | ||
804 | r = transfer_new(m, &t); | |
805 | if (r < 0) | |
806 | return r; | |
807 | ||
808 | t->type = TRANSFER_IMPORT_FS; | |
809 | t->force_local = force; | |
810 | t->read_only = read_only; | |
811 | ||
812 | t->local = strdup(local); | |
813 | if (!t->local) | |
814 | return -ENOMEM; | |
815 | ||
816 | t->stdin_fd = fcntl(fd, F_DUPFD_CLOEXEC, 3); | |
817 | if (t->stdin_fd < 0) | |
818 | return -errno; | |
819 | ||
820 | r = transfer_start(t); | |
821 | if (r < 0) | |
822 | return r; | |
823 | ||
824 | object = t->object_path; | |
825 | id = t->id; | |
826 | t = NULL; | |
827 | ||
828 | return sd_bus_reply_method_return(msg, "uo", id, object); | |
829 | } | |
830 | ||
19070062 | 831 | static int method_export_tar_or_raw(sd_bus_message *msg, void *userdata, sd_bus_error *error) { |
587fec42 LP |
832 | _cleanup_(transfer_unrefp) Transfer *t = NULL; |
833 | int fd, r; | |
834 | const char *local, *object, *format; | |
99534007 | 835 | Manager *m = ASSERT_PTR(userdata); |
587fec42 | 836 | TransferType type; |
1209ef94 | 837 | struct stat st; |
587fec42 LP |
838 | uint32_t id; |
839 | ||
19070062 | 840 | assert(msg); |
19070062 | 841 | |
587fec42 LP |
842 | r = bus_verify_polkit_async( |
843 | msg, | |
587fec42 | 844 | "org.freedesktop.import1.export", |
7b36fb9f | 845 | /* details= */ NULL, |
587fec42 LP |
846 | &m->polkit_registry, |
847 | error); | |
848 | if (r < 0) | |
849 | return r; | |
850 | if (r == 0) | |
851 | return 1; /* Will call us back */ | |
852 | ||
853 | r = sd_bus_message_read(msg, "shs", &local, &fd, &format); | |
854 | if (r < 0) | |
855 | return r; | |
856 | ||
52ef5dd7 | 857 | if (!hostname_is_valid(local, 0)) |
ab09bf90 ZJS |
858 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
859 | "Local name %s is invalid", local); | |
587fec42 | 860 | |
1209ef94 AZ |
861 | if (fstat(fd, &st) < 0) |
862 | return -errno; | |
863 | ||
864 | if (!S_ISREG(st.st_mode) && !S_ISFIFO(st.st_mode)) | |
865 | return -EINVAL; | |
176a05c2 | 866 | |
ab09bf90 ZJS |
867 | type = streq_ptr(sd_bus_message_get_member(msg), "ExportTar") ? |
868 | TRANSFER_EXPORT_TAR : TRANSFER_EXPORT_RAW; | |
587fec42 LP |
869 | |
870 | r = transfer_new(m, &t); | |
871 | if (r < 0) | |
872 | return r; | |
873 | ||
874 | t->type = type; | |
875 | ||
876 | if (!isempty(format)) { | |
877 | t->format = strdup(format); | |
878 | if (!t->format) | |
879 | return -ENOMEM; | |
880 | } | |
881 | ||
882 | t->local = strdup(local); | |
883 | if (!t->local) | |
884 | return -ENOMEM; | |
885 | ||
886 | t->stdout_fd = fcntl(fd, F_DUPFD_CLOEXEC, 3); | |
887 | if (t->stdout_fd < 0) | |
888 | return -errno; | |
889 | ||
890 | r = transfer_start(t); | |
891 | if (r < 0) | |
892 | return r; | |
893 | ||
894 | object = t->object_path; | |
895 | id = t->id; | |
896 | t = NULL; | |
897 | ||
898 | return sd_bus_reply_method_return(msg, "uo", id, object); | |
899 | } | |
900 | ||
19070062 | 901 | static int method_pull_tar_or_raw(sd_bus_message *msg, void *userdata, sd_bus_error *error) { |
3d7415f4 LP |
902 | _cleanup_(transfer_unrefp) Transfer *t = NULL; |
903 | const char *remote, *local, *verify, *object; | |
99534007 | 904 | Manager *m = ASSERT_PTR(userdata); |
3d7415f4 LP |
905 | ImportVerify v; |
906 | TransferType type; | |
907 | int force, r; | |
908 | uint32_t id; | |
909 | ||
3d7415f4 | 910 | assert(msg); |
3d7415f4 LP |
911 | |
912 | r = bus_verify_polkit_async( | |
913 | msg, | |
3d7415f4 | 914 | "org.freedesktop.import1.pull", |
7b36fb9f | 915 | /* details= */ NULL, |
3d7415f4 LP |
916 | &m->polkit_registry, |
917 | error); | |
918 | if (r < 0) | |
919 | return r; | |
920 | if (r == 0) | |
921 | return 1; /* Will call us back */ | |
922 | ||
923 | r = sd_bus_message_read(msg, "sssb", &remote, &local, &verify, &force); | |
924 | if (r < 0) | |
925 | return r; | |
926 | ||
c456862f | 927 | if (!http_url_is_valid(remote) && !file_url_is_valid(remote)) |
ab09bf90 ZJS |
928 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
929 | "URL %s is invalid", remote); | |
3d7415f4 LP |
930 | |
931 | if (isempty(local)) | |
932 | local = NULL; | |
52ef5dd7 | 933 | else if (!hostname_is_valid(local, 0)) |
ab09bf90 ZJS |
934 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
935 | "Local name %s is invalid", local); | |
3d7415f4 LP |
936 | |
937 | if (isempty(verify)) | |
938 | v = IMPORT_VERIFY_SIGNATURE; | |
939 | else | |
940 | v = import_verify_from_string(verify); | |
941 | if (v < 0) | |
ab09bf90 ZJS |
942 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
943 | "Unknown verification mode %s", verify); | |
3d7415f4 | 944 | |
c7779a61 | 945 | r = setup_machine_directory(error, m->use_btrfs_subvol, m->use_btrfs_quota); |
ce06fdfb LP |
946 | if (r < 0) |
947 | return r; | |
948 | ||
ab09bf90 ZJS |
949 | type = streq_ptr(sd_bus_message_get_member(msg), "PullTar") ? |
950 | TRANSFER_PULL_TAR : TRANSFER_PULL_RAW; | |
3d7415f4 | 951 | |
b43d75c3 | 952 | if (manager_find(m, type, remote)) |
ab09bf90 ZJS |
953 | return sd_bus_error_setf(error, BUS_ERROR_TRANSFER_IN_PROGRESS, |
954 | "Transfer for %s already in progress.", remote); | |
3d7415f4 LP |
955 | |
956 | r = transfer_new(m, &t); | |
957 | if (r < 0) | |
958 | return r; | |
959 | ||
960 | t->type = type; | |
961 | t->verify = v; | |
962 | t->force_local = force; | |
963 | ||
964 | t->remote = strdup(remote); | |
965 | if (!t->remote) | |
966 | return -ENOMEM; | |
967 | ||
b6e676ce LP |
968 | if (local) { |
969 | t->local = strdup(local); | |
970 | if (!t->local) | |
971 | return -ENOMEM; | |
972 | } | |
3d7415f4 LP |
973 | |
974 | r = transfer_start(t); | |
975 | if (r < 0) | |
976 | return r; | |
977 | ||
978 | object = t->object_path; | |
979 | id = t->id; | |
980 | t = NULL; | |
981 | ||
982 | return sd_bus_reply_method_return(msg, "uo", id, object); | |
983 | } | |
984 | ||
19070062 | 985 | static int method_list_transfers(sd_bus_message *msg, void *userdata, sd_bus_error *error) { |
4afd3348 | 986 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
99534007 | 987 | Manager *m = ASSERT_PTR(userdata); |
3d7415f4 | 988 | Transfer *t; |
3d7415f4 LP |
989 | int r; |
990 | ||
3d7415f4 | 991 | assert(msg); |
3d7415f4 LP |
992 | |
993 | r = sd_bus_message_new_method_return(msg, &reply); | |
994 | if (r < 0) | |
995 | return r; | |
996 | ||
7079cfef | 997 | r = sd_bus_message_open_container(reply, 'a', "(usssdo)"); |
3d7415f4 LP |
998 | if (r < 0) |
999 | return r; | |
1000 | ||
90e74a66 | 1001 | HASHMAP_FOREACH(t, m->transfers) { |
3d7415f4 LP |
1002 | |
1003 | r = sd_bus_message_append( | |
1004 | reply, | |
7079cfef | 1005 | "(usssdo)", |
3d7415f4 LP |
1006 | t->id, |
1007 | transfer_type_to_string(t->type), | |
1008 | t->remote, | |
1009 | t->local, | |
1d7579c4 | 1010 | transfer_percent_as_double(t), |
3d7415f4 LP |
1011 | t->object_path); |
1012 | if (r < 0) | |
1013 | return r; | |
1014 | } | |
1015 | ||
1016 | r = sd_bus_message_close_container(reply); | |
1017 | if (r < 0) | |
1018 | return r; | |
1019 | ||
9030ca46 | 1020 | return sd_bus_send(NULL, reply, NULL); |
3d7415f4 LP |
1021 | } |
1022 | ||
19070062 | 1023 | static int method_cancel(sd_bus_message *msg, void *userdata, sd_bus_error *error) { |
99534007 | 1024 | Transfer *t = ASSERT_PTR(userdata); |
3d7415f4 LP |
1025 | int r; |
1026 | ||
3d7415f4 | 1027 | assert(msg); |
3d7415f4 LP |
1028 | |
1029 | r = bus_verify_polkit_async( | |
1030 | msg, | |
3d7415f4 | 1031 | "org.freedesktop.import1.pull", |
7b36fb9f | 1032 | /* details= */ NULL, |
3d7415f4 LP |
1033 | &t->manager->polkit_registry, |
1034 | error); | |
1035 | if (r < 0) | |
1036 | return r; | |
1037 | if (r == 0) | |
1038 | return 1; /* Will call us back */ | |
1039 | ||
1040 | r = transfer_cancel(t); | |
1041 | if (r < 0) | |
1042 | return r; | |
1043 | ||
1044 | return sd_bus_reply_method_return(msg, NULL); | |
1045 | } | |
1046 | ||
19070062 | 1047 | static int method_cancel_transfer(sd_bus_message *msg, void *userdata, sd_bus_error *error) { |
99534007 | 1048 | Manager *m = ASSERT_PTR(userdata); |
3d7415f4 LP |
1049 | Transfer *t; |
1050 | uint32_t id; | |
1051 | int r; | |
1052 | ||
3d7415f4 | 1053 | assert(msg); |
3d7415f4 LP |
1054 | |
1055 | r = bus_verify_polkit_async( | |
1056 | msg, | |
3d7415f4 | 1057 | "org.freedesktop.import1.pull", |
7b36fb9f | 1058 | /* details= */ NULL, |
3d7415f4 LP |
1059 | &m->polkit_registry, |
1060 | error); | |
1061 | if (r < 0) | |
1062 | return r; | |
1063 | if (r == 0) | |
1064 | return 1; /* Will call us back */ | |
1065 | ||
1066 | r = sd_bus_message_read(msg, "u", &id); | |
1067 | if (r < 0) | |
1068 | return r; | |
1069 | if (id <= 0) | |
1b09b81c | 1070 | return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid transfer id"); |
3d7415f4 LP |
1071 | |
1072 | t = hashmap_get(m->transfers, UINT32_TO_PTR(id)); | |
1073 | if (!t) | |
09d46cfd | 1074 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_TRANSFER, "No transfer by id %" PRIu32, id); |
3d7415f4 LP |
1075 | |
1076 | r = transfer_cancel(t); | |
1077 | if (r < 0) | |
1078 | return r; | |
1079 | ||
1080 | return sd_bus_reply_method_return(msg, NULL); | |
1081 | } | |
1082 | ||
7079cfef LP |
1083 | static int property_get_progress( |
1084 | sd_bus *bus, | |
1085 | const char *path, | |
1086 | const char *interface, | |
1087 | const char *property, | |
1088 | sd_bus_message *reply, | |
1089 | void *userdata, | |
1090 | sd_bus_error *error) { | |
1091 | ||
99534007 | 1092 | Transfer *t = ASSERT_PTR(userdata); |
7079cfef LP |
1093 | |
1094 | assert(bus); | |
1095 | assert(reply); | |
7079cfef | 1096 | |
1d7579c4 | 1097 | return sd_bus_message_append(reply, "d", transfer_percent_as_double(t)); |
7079cfef LP |
1098 | } |
1099 | ||
3d7415f4 LP |
1100 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_type, transfer_type, TransferType); |
1101 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_verify, import_verify, ImportVerify); | |
1102 | ||
a3b7cf50 ZJS |
1103 | static int transfer_object_find( |
1104 | sd_bus *bus, | |
1105 | const char *path, | |
1106 | const char *interface, | |
1107 | void *userdata, | |
1108 | void **found, | |
1109 | sd_bus_error *error) { | |
1110 | ||
99534007 | 1111 | Manager *m = ASSERT_PTR(userdata); |
a3b7cf50 ZJS |
1112 | Transfer *t; |
1113 | const char *p; | |
1114 | uint32_t id; | |
1115 | int r; | |
1116 | ||
1117 | assert(bus); | |
1118 | assert(path); | |
1119 | assert(interface); | |
1120 | assert(found); | |
a3b7cf50 ZJS |
1121 | |
1122 | p = startswith(path, "/org/freedesktop/import1/transfer/_"); | |
1123 | if (!p) | |
1124 | return 0; | |
1125 | ||
1126 | r = safe_atou32(p, &id); | |
1127 | if (r < 0 || id == 0) | |
1128 | return 0; | |
1129 | ||
1130 | t = hashmap_get(m->transfers, UINT32_TO_PTR(id)); | |
1131 | if (!t) | |
1132 | return 0; | |
1133 | ||
1134 | *found = t; | |
1135 | return 1; | |
1136 | } | |
1137 | ||
1138 | static int transfer_node_enumerator( | |
1139 | sd_bus *bus, | |
1140 | const char *path, | |
1141 | void *userdata, | |
1142 | char ***nodes, | |
1143 | sd_bus_error *error) { | |
1144 | ||
1145 | _cleanup_strv_free_ char **l = NULL; | |
1146 | Manager *m = userdata; | |
1147 | Transfer *t; | |
1148 | unsigned k = 0; | |
a3b7cf50 ZJS |
1149 | |
1150 | l = new0(char*, hashmap_size(m->transfers) + 1); | |
1151 | if (!l) | |
1152 | return -ENOMEM; | |
1153 | ||
90e74a66 | 1154 | HASHMAP_FOREACH(t, m->transfers) { |
a3b7cf50 ZJS |
1155 | |
1156 | l[k] = strdup(t->object_path); | |
1157 | if (!l[k]) | |
1158 | return -ENOMEM; | |
1159 | ||
1160 | k++; | |
1161 | } | |
1162 | ||
1163 | *nodes = TAKE_PTR(l); | |
1164 | ||
1165 | return 1; | |
1166 | } | |
1167 | ||
3d7415f4 LP |
1168 | static const sd_bus_vtable transfer_vtable[] = { |
1169 | SD_BUS_VTABLE_START(0), | |
956ecd3c | 1170 | |
3d7415f4 LP |
1171 | SD_BUS_PROPERTY("Id", "u", NULL, offsetof(Transfer, id), SD_BUS_VTABLE_PROPERTY_CONST), |
1172 | SD_BUS_PROPERTY("Local", "s", NULL, offsetof(Transfer, local), SD_BUS_VTABLE_PROPERTY_CONST), | |
1173 | SD_BUS_PROPERTY("Remote", "s", NULL, offsetof(Transfer, remote), SD_BUS_VTABLE_PROPERTY_CONST), | |
1174 | SD_BUS_PROPERTY("Type", "s", property_get_type, offsetof(Transfer, type), SD_BUS_VTABLE_PROPERTY_CONST), | |
1175 | SD_BUS_PROPERTY("Verify", "s", property_get_verify, offsetof(Transfer, verify), SD_BUS_VTABLE_PROPERTY_CONST), | |
7079cfef | 1176 | SD_BUS_PROPERTY("Progress", "d", property_get_progress, 0, 0), |
956ecd3c | 1177 | |
3d7415f4 | 1178 | SD_BUS_METHOD("Cancel", NULL, NULL, method_cancel, SD_BUS_VTABLE_UNPRIVILEGED), |
956ecd3c ZJS |
1179 | |
1180 | SD_BUS_SIGNAL_WITH_NAMES("LogMessage", | |
1181 | "us", | |
1182 | SD_BUS_PARAM(priority) | |
1183 | SD_BUS_PARAM(line), | |
1184 | 0), | |
1185 | ||
3d7415f4 LP |
1186 | SD_BUS_VTABLE_END, |
1187 | }; | |
1188 | ||
a3b7cf50 ZJS |
1189 | static const BusObjectImplementation transfer_object = { |
1190 | "/org/freedesktop/import1/transfer", | |
1191 | "org.freedesktop.import1.Transfer", | |
1192 | .fallback_vtables = BUS_FALLBACK_VTABLES({transfer_vtable, transfer_object_find}), | |
1193 | .node_enumerator = transfer_node_enumerator, | |
1194 | }; | |
1195 | ||
3d7415f4 LP |
1196 | static const sd_bus_vtable manager_vtable[] = { |
1197 | SD_BUS_VTABLE_START(0), | |
956ecd3c ZJS |
1198 | |
1199 | SD_BUS_METHOD_WITH_NAMES("ImportTar", | |
1200 | "hsbb", | |
1201 | SD_BUS_PARAM(fd) | |
1202 | SD_BUS_PARAM(local_name) | |
1203 | SD_BUS_PARAM(force) | |
1204 | SD_BUS_PARAM(read_only), | |
1205 | "uo", | |
1206 | SD_BUS_PARAM(transfer_id) | |
1207 | SD_BUS_PARAM(transfer_path), | |
1208 | method_import_tar_or_raw, | |
1209 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1210 | SD_BUS_METHOD_WITH_NAMES("ImportRaw", | |
1211 | "hsbb", | |
1212 | SD_BUS_PARAM(fd) | |
1213 | SD_BUS_PARAM(local_name) | |
1214 | SD_BUS_PARAM(force) | |
1215 | SD_BUS_PARAM(read_only), | |
1216 | "uo", | |
1217 | SD_BUS_PARAM(transfer_id) | |
1218 | SD_BUS_PARAM(transfer_path), | |
1219 | method_import_tar_or_raw, | |
1220 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1221 | SD_BUS_METHOD_WITH_NAMES("ImportFileSystem", | |
1222 | "hsbb", | |
1223 | SD_BUS_PARAM(fd) | |
1224 | SD_BUS_PARAM(local_name) | |
1225 | SD_BUS_PARAM(force) | |
1226 | SD_BUS_PARAM(read_only), | |
1227 | "uo", | |
1228 | SD_BUS_PARAM(transfer_id) | |
1229 | SD_BUS_PARAM(transfer_path), | |
1230 | method_import_fs, | |
1231 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1232 | SD_BUS_METHOD_WITH_NAMES("ExportTar", | |
1233 | "shs", | |
1234 | SD_BUS_PARAM(local_name) | |
1235 | SD_BUS_PARAM(fd) | |
1236 | SD_BUS_PARAM(format), | |
1237 | "uo", | |
1238 | SD_BUS_PARAM(transfer_id) | |
1239 | SD_BUS_PARAM(transfer_path), | |
1240 | method_export_tar_or_raw, | |
1241 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1242 | SD_BUS_METHOD_WITH_NAMES("ExportRaw", | |
1243 | "shs", | |
1244 | SD_BUS_PARAM(local_name) | |
1245 | SD_BUS_PARAM(fd) | |
1246 | SD_BUS_PARAM(format), | |
1247 | "uo", | |
1248 | SD_BUS_PARAM(transfer_id) | |
1249 | SD_BUS_PARAM(transfer_path), | |
1250 | method_export_tar_or_raw, | |
1251 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1252 | SD_BUS_METHOD_WITH_NAMES("PullTar", | |
1253 | "sssb", | |
1254 | SD_BUS_PARAM(url) | |
1255 | SD_BUS_PARAM(local_name) | |
1256 | SD_BUS_PARAM(verify_mode) | |
1257 | SD_BUS_PARAM(force), | |
1258 | "uo", | |
1259 | SD_BUS_PARAM(transfer_id) | |
1260 | SD_BUS_PARAM(transfer_path), | |
1261 | method_pull_tar_or_raw, | |
1262 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1263 | SD_BUS_METHOD_WITH_NAMES("PullRaw", | |
1264 | "sssb", | |
1265 | SD_BUS_PARAM(url) | |
1266 | SD_BUS_PARAM(local_name) | |
1267 | SD_BUS_PARAM(verify_mode) | |
1268 | SD_BUS_PARAM(force), | |
1269 | "uo", | |
1270 | SD_BUS_PARAM(transfer_id) | |
1271 | SD_BUS_PARAM(transfer_path), | |
1272 | method_pull_tar_or_raw, | |
1273 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1274 | SD_BUS_METHOD_WITH_NAMES("ListTransfers", | |
1275 | NULL,, | |
1276 | "a(usssdo)", | |
1277 | SD_BUS_PARAM(transfers), | |
1278 | method_list_transfers, | |
1279 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1280 | SD_BUS_METHOD_WITH_NAMES("CancelTransfer", | |
1281 | "u", | |
1282 | SD_BUS_PARAM(transfer_id), | |
1283 | NULL,, | |
1284 | method_cancel_transfer, | |
1285 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1286 | ||
1287 | SD_BUS_SIGNAL_WITH_NAMES("TransferNew", | |
1288 | "uo", | |
1289 | SD_BUS_PARAM(transfer_id) | |
1290 | SD_BUS_PARAM(transfer_path), | |
1291 | 0), | |
1292 | SD_BUS_SIGNAL_WITH_NAMES("TransferRemoved", | |
1293 | "uos", | |
1294 | SD_BUS_PARAM(transfer_id) | |
1295 | SD_BUS_PARAM(transfer_path) | |
1296 | SD_BUS_PARAM(result), | |
1297 | 0), | |
1298 | ||
3d7415f4 LP |
1299 | SD_BUS_VTABLE_END, |
1300 | }; | |
1301 | ||
a3b7cf50 ZJS |
1302 | static const BusObjectImplementation manager_object = { |
1303 | "/org/freedesktop/import1", | |
1304 | "org.freedesktop.import1.Manager", | |
1305 | .vtables = BUS_VTABLES(manager_vtable), | |
1306 | .children = BUS_IMPLEMENTATIONS(&transfer_object), | |
1307 | }; | |
3d7415f4 LP |
1308 | |
1309 | static int manager_add_bus_objects(Manager *m) { | |
1310 | int r; | |
1311 | ||
1312 | assert(m); | |
1313 | ||
a3b7cf50 | 1314 | r = bus_add_implementation(m->bus, &manager_object, m); |
3d7415f4 | 1315 | if (r < 0) |
a3b7cf50 | 1316 | return r; |
3d7415f4 | 1317 | |
ac9f55ed LP |
1318 | r = bus_log_control_api_register(m->bus); |
1319 | if (r < 0) | |
1320 | return r; | |
1321 | ||
0c0b9306 | 1322 | r = sd_bus_request_name_async(m->bus, NULL, "org.freedesktop.import1", 0, NULL, NULL); |
3d7415f4 | 1323 | if (r < 0) |
0c0b9306 | 1324 | return log_error_errno(r, "Failed to request name: %m"); |
3d7415f4 LP |
1325 | |
1326 | r = sd_bus_attach_event(m->bus, m->event, 0); | |
1327 | if (r < 0) | |
1328 | return log_error_errno(r, "Failed to attach bus to event loop: %m"); | |
1329 | ||
1330 | return 0; | |
1331 | } | |
1332 | ||
1333 | static bool manager_check_idle(void *userdata) { | |
1334 | Manager *m = userdata; | |
1335 | ||
1336 | return hashmap_isempty(m->transfers); | |
1337 | } | |
1338 | ||
c7779a61 IS |
1339 | static void manager_parse_env(Manager *m) { |
1340 | int r; | |
1341 | ||
1342 | assert(m); | |
1343 | ||
1344 | /* Same as src/import/{import,pull}.c: | |
1345 | * Let's make these relatively low-level settings also controllable via env vars. User can then set | |
1346 | * them for systemd-importd.service if they like to tweak behaviour */ | |
1347 | ||
1348 | r = getenv_bool("SYSTEMD_IMPORT_BTRFS_SUBVOL"); | |
1349 | if (r >= 0) | |
1350 | m->use_btrfs_subvol = r; | |
1351 | else if (r != -ENXIO) | |
1352 | log_warning_errno(r, "Failed to parse $SYSTEMD_IMPORT_BTRFS_SUBVOL: %m"); | |
1353 | ||
1354 | r = getenv_bool("SYSTEMD_IMPORT_BTRFS_QUOTA"); | |
1355 | if (r >= 0) | |
1356 | m->use_btrfs_quota = r; | |
1357 | else if (r != -ENXIO) | |
1358 | log_warning_errno(r, "Failed to parse $SYSTEMD_IMPORT_BTRFS_QUOTA: %m"); | |
1359 | } | |
1360 | ||
5272ae42 | 1361 | static int run(int argc, char *argv[]) { |
3d7415f4 LP |
1362 | _cleanup_(manager_unrefp) Manager *m = NULL; |
1363 | int r; | |
1364 | ||
d2acb93d | 1365 | log_setup(); |
3d7415f4 | 1366 | |
fc021a5b ZJS |
1367 | r = service_parse_argv("systemd-importd.service", |
1368 | "VM and container image import and export service.", | |
d4cc0edf ZJS |
1369 | BUS_IMPLEMENTATIONS(&manager_object, |
1370 | &log_control_object), | |
fc021a5b ZJS |
1371 | argc, argv); |
1372 | if (r <= 0) | |
1373 | return r; | |
3d7415f4 | 1374 | |
fc021a5b | 1375 | umask(0022); |
3d7415f4 | 1376 | |
82fa9f28 | 1377 | assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGCHLD, SIGTERM, SIGINT, SIGRTMIN+18, -1) >= 0); |
3d7415f4 LP |
1378 | |
1379 | r = manager_new(&m); | |
5272ae42 ZJS |
1380 | if (r < 0) |
1381 | return log_error_errno(r, "Failed to allocate manager object: %m"); | |
3d7415f4 | 1382 | |
c7779a61 IS |
1383 | manager_parse_env(m); |
1384 | ||
3d7415f4 LP |
1385 | r = manager_add_bus_objects(m); |
1386 | if (r < 0) | |
5272ae42 | 1387 | return r; |
3d7415f4 | 1388 | |
deb86997 MY |
1389 | r = sd_notify(false, NOTIFY_READY); |
1390 | if (r < 0) | |
1391 | log_warning_errno(r, "Failed to send readiness notification, ignoring: %m"); | |
1392 | ||
1393 | r = bus_event_loop_with_idle( | |
1394 | m->event, | |
1395 | m->bus, | |
1396 | "org.freedesktop.import1", | |
1397 | DEFAULT_EXIT_USEC, | |
1398 | manager_check_idle, | |
1399 | m); | |
5272ae42 ZJS |
1400 | if (r < 0) |
1401 | return log_error_errno(r, "Failed to run event loop: %m"); | |
3d7415f4 | 1402 | |
5272ae42 | 1403 | return 0; |
3d7415f4 | 1404 | } |
5272ae42 ZJS |
1405 | |
1406 | DEFINE_MAIN_FUNCTION(run); |