]>
Commit | Line | Data |
---|---|---|
3d7415f4 LP |
1 | /*** |
2 | This file is part of systemd. | |
3 | ||
4 | Copyright 2015 Lennart Poettering | |
5 | ||
6 | systemd is free software; you can redistribute it and/or modify it | |
7 | under the terms of the GNU Lesser General Public License as published by | |
8 | the Free Software Foundation; either version 2.1 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | systemd is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public License | |
17 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
18 | ***/ | |
19 | ||
20 | #include <sys/prctl.h> | |
21 | ||
22 | #include "sd-bus.h" | |
3ffd4af2 | 23 | |
b5efdb8a | 24 | #include "alloc-util.h" |
3d7415f4 | 25 | #include "bus-common-errors.h" |
3ffd4af2 | 26 | #include "bus-util.h" |
a97dcc12 | 27 | #include "def.h" |
3ffd4af2 LP |
28 | #include "fd-util.h" |
29 | #include "hostname-util.h" | |
30 | #include "import-util.h" | |
432cea00 | 31 | #include "machine-pool.h" |
3ffd4af2 LP |
32 | #include "missing.h" |
33 | #include "mkdir.h" | |
6bedfcbb | 34 | #include "parse-util.h" |
113b3fc1 | 35 | #include "path-util.h" |
0b452006 | 36 | #include "process-util.h" |
24882e06 | 37 | #include "signal-util.h" |
3ffd4af2 | 38 | #include "socket-util.h" |
8b43440b | 39 | #include "string-table.h" |
3ffd4af2 | 40 | #include "strv.h" |
7ccbd1ae | 41 | #include "syslog-util.h" |
ee104e11 | 42 | #include "user-util.h" |
3ffd4af2 | 43 | #include "util.h" |
49cf4170 | 44 | #include "web-util.h" |
3d7415f4 LP |
45 | |
46 | typedef struct Transfer Transfer; | |
47 | typedef struct Manager Manager; | |
48 | ||
49 | typedef enum TransferType { | |
b6e676ce LP |
50 | TRANSFER_IMPORT_TAR, |
51 | TRANSFER_IMPORT_RAW, | |
587fec42 LP |
52 | TRANSFER_EXPORT_TAR, |
53 | TRANSFER_EXPORT_RAW, | |
b6e676ce LP |
54 | TRANSFER_PULL_TAR, |
55 | TRANSFER_PULL_RAW, | |
3d7415f4 LP |
56 | _TRANSFER_TYPE_MAX, |
57 | _TRANSFER_TYPE_INVALID = -1, | |
58 | } TransferType; | |
59 | ||
60 | struct Transfer { | |
61 | Manager *manager; | |
62 | ||
63 | uint32_t id; | |
64 | char *object_path; | |
65 | ||
66 | TransferType type; | |
67 | ImportVerify verify; | |
68 | ||
69 | char *remote; | |
70 | char *local; | |
71 | bool force_local; | |
b6e676ce | 72 | bool read_only; |
3d7415f4 | 73 | |
587fec42 | 74 | char *format; |
3d7415f4 LP |
75 | |
76 | pid_t pid; | |
77 | ||
78 | int log_fd; | |
79 | ||
80 | char log_message[LINE_MAX]; | |
81 | size_t log_message_size; | |
82 | ||
83 | sd_event_source *pid_event_source; | |
84 | sd_event_source *log_event_source; | |
85 | ||
86 | unsigned n_canceled; | |
7079cfef | 87 | unsigned progress_percent; |
b6e676ce LP |
88 | |
89 | int stdin_fd; | |
587fec42 | 90 | int stdout_fd; |
3d7415f4 LP |
91 | }; |
92 | ||
93 | struct Manager { | |
94 | sd_event *event; | |
95 | sd_bus *bus; | |
96 | ||
97 | uint32_t current_transfer_id; | |
98 | Hashmap *transfers; | |
99 | ||
100 | Hashmap *polkit_registry; | |
7079cfef LP |
101 | |
102 | int notify_fd; | |
103 | ||
104 | sd_event_source *notify_event_source; | |
3d7415f4 LP |
105 | }; |
106 | ||
107 | #define TRANSFERS_MAX 64 | |
108 | ||
109 | static const char* const transfer_type_table[_TRANSFER_TYPE_MAX] = { | |
b6e676ce LP |
110 | [TRANSFER_IMPORT_TAR] = "import-tar", |
111 | [TRANSFER_IMPORT_RAW] = "import-raw", | |
587fec42 LP |
112 | [TRANSFER_EXPORT_TAR] = "export-tar", |
113 | [TRANSFER_EXPORT_RAW] = "export-raw", | |
b6e676ce LP |
114 | [TRANSFER_PULL_TAR] = "pull-tar", |
115 | [TRANSFER_PULL_RAW] = "pull-raw", | |
3d7415f4 LP |
116 | }; |
117 | ||
b9a5f858 | 118 | DEFINE_PRIVATE_STRING_TABLE_LOOKUP_TO_STRING(transfer_type, TransferType); |
3d7415f4 LP |
119 | |
120 | static Transfer *transfer_unref(Transfer *t) { | |
121 | if (!t) | |
122 | return NULL; | |
123 | ||
124 | if (t->manager) | |
125 | hashmap_remove(t->manager->transfers, UINT32_TO_PTR(t->id)); | |
126 | ||
127 | sd_event_source_unref(t->pid_event_source); | |
128 | sd_event_source_unref(t->log_event_source); | |
129 | ||
130 | free(t->remote); | |
131 | free(t->local); | |
587fec42 | 132 | free(t->format); |
3d7415f4 LP |
133 | free(t->object_path); |
134 | ||
135 | if (t->pid > 0) { | |
136 | (void) kill_and_sigcont(t->pid, SIGKILL); | |
137 | (void) wait_for_terminate(t->pid, NULL); | |
138 | } | |
139 | ||
140 | safe_close(t->log_fd); | |
b6e676ce | 141 | safe_close(t->stdin_fd); |
587fec42 | 142 | safe_close(t->stdout_fd); |
3d7415f4 | 143 | |
6b430fdb | 144 | return mfree(t); |
3d7415f4 LP |
145 | } |
146 | ||
147 | DEFINE_TRIVIAL_CLEANUP_FUNC(Transfer*, transfer_unref); | |
148 | ||
149 | static int transfer_new(Manager *m, Transfer **ret) { | |
150 | _cleanup_(transfer_unrefp) Transfer *t = NULL; | |
151 | uint32_t id; | |
152 | int r; | |
153 | ||
154 | assert(m); | |
155 | assert(ret); | |
156 | ||
157 | if (hashmap_size(m->transfers) >= TRANSFERS_MAX) | |
158 | return -E2BIG; | |
159 | ||
160 | r = hashmap_ensure_allocated(&m->transfers, &trivial_hash_ops); | |
161 | if (r < 0) | |
162 | return r; | |
163 | ||
164 | t = new0(Transfer, 1); | |
165 | if (!t) | |
166 | return -ENOMEM; | |
167 | ||
168 | t->type = _TRANSFER_TYPE_INVALID; | |
169 | t->log_fd = -1; | |
b6e676ce | 170 | t->stdin_fd = -1; |
3be78ab2 | 171 | t->stdout_fd = -1; |
b6e676ce | 172 | t->verify = _IMPORT_VERIFY_INVALID; |
3d7415f4 LP |
173 | |
174 | id = m->current_transfer_id + 1; | |
175 | ||
176 | if (asprintf(&t->object_path, "/org/freedesktop/import1/transfer/_%" PRIu32, id) < 0) | |
177 | return -ENOMEM; | |
178 | ||
179 | r = hashmap_put(m->transfers, UINT32_TO_PTR(id), t); | |
180 | if (r < 0) | |
181 | return r; | |
182 | ||
183 | m->current_transfer_id = id; | |
184 | ||
185 | t->manager = m; | |
186 | t->id = id; | |
187 | ||
188 | *ret = t; | |
189 | t = NULL; | |
190 | ||
191 | return 0; | |
192 | } | |
193 | ||
194 | static void transfer_send_log_line(Transfer *t, const char *line) { | |
195 | int r, priority = LOG_INFO; | |
196 | ||
197 | assert(t); | |
198 | assert(line); | |
199 | ||
200 | syslog_parse_priority(&line, &priority, true); | |
201 | ||
09d46cfd | 202 | log_full(priority, "(transfer%" PRIu32 ") %s", t->id, line); |
3d7415f4 LP |
203 | |
204 | r = sd_bus_emit_signal( | |
205 | t->manager->bus, | |
206 | t->object_path, | |
207 | "org.freedesktop.import1.Transfer", | |
208 | "LogMessage", | |
209 | "us", | |
210 | priority, | |
211 | line); | |
212 | if (r < 0) | |
213 | log_error_errno(r, "Cannot emit message: %m"); | |
214 | } | |
215 | ||
216 | static void transfer_send_logs(Transfer *t, bool flush) { | |
217 | assert(t); | |
218 | ||
219 | /* Try to send out all log messages, if we can. But if we | |
220 | * can't we remove the messages from the buffer, but don't | |
221 | * fail */ | |
222 | ||
223 | while (t->log_message_size > 0) { | |
224 | _cleanup_free_ char *n = NULL; | |
225 | char *e; | |
226 | ||
227 | if (t->log_message_size >= sizeof(t->log_message)) | |
228 | e = t->log_message + sizeof(t->log_message); | |
229 | else { | |
230 | char *a, *b; | |
231 | ||
232 | a = memchr(t->log_message, 0, t->log_message_size); | |
233 | b = memchr(t->log_message, '\n', t->log_message_size); | |
234 | ||
235 | if (a && b) | |
236 | e = a < b ? a : b; | |
237 | else if (a) | |
238 | e = a; | |
239 | else | |
240 | e = b; | |
241 | } | |
242 | ||
243 | if (!e) { | |
244 | if (!flush) | |
245 | return; | |
246 | ||
247 | e = t->log_message + t->log_message_size; | |
248 | } | |
249 | ||
250 | n = strndup(t->log_message, e - t->log_message); | |
251 | ||
252 | /* Skip over NUL and newlines */ | |
be3ce301 | 253 | while ((e < t->log_message + t->log_message_size) && (*e == 0 || *e == '\n')) |
3d7415f4 LP |
254 | e++; |
255 | ||
256 | memmove(t->log_message, e, t->log_message + sizeof(t->log_message) - e); | |
257 | t->log_message_size -= e - t->log_message; | |
258 | ||
259 | if (!n) { | |
260 | log_oom(); | |
261 | continue; | |
262 | } | |
263 | ||
264 | if (isempty(n)) | |
265 | continue; | |
266 | ||
267 | transfer_send_log_line(t, n); | |
268 | } | |
269 | } | |
270 | ||
271 | static int transfer_finalize(Transfer *t, bool success) { | |
272 | int r; | |
273 | ||
274 | assert(t); | |
275 | ||
276 | transfer_send_logs(t, true); | |
277 | ||
278 | r = sd_bus_emit_signal( | |
279 | t->manager->bus, | |
280 | "/org/freedesktop/import1", | |
281 | "org.freedesktop.import1.Manager", | |
282 | "TransferRemoved", | |
283 | "uos", | |
284 | t->id, | |
285 | t->object_path, | |
286 | success ? "done" : | |
287 | t->n_canceled > 0 ? "canceled" : "failed"); | |
288 | ||
289 | if (r < 0) | |
290 | log_error_errno(r, "Cannot emit message: %m"); | |
291 | ||
292 | transfer_unref(t); | |
293 | return 0; | |
294 | } | |
295 | ||
296 | static int transfer_cancel(Transfer *t) { | |
297 | int r; | |
298 | ||
299 | assert(t); | |
300 | ||
301 | r = kill_and_sigcont(t->pid, t->n_canceled < 3 ? SIGTERM : SIGKILL); | |
302 | if (r < 0) | |
303 | return r; | |
304 | ||
305 | t->n_canceled++; | |
306 | return 0; | |
307 | } | |
308 | ||
309 | static int transfer_on_pid(sd_event_source *s, const siginfo_t *si, void *userdata) { | |
310 | Transfer *t = userdata; | |
311 | bool success = false; | |
312 | ||
313 | assert(s); | |
314 | assert(t); | |
315 | ||
316 | if (si->si_code == CLD_EXITED) { | |
317 | if (si->si_status != 0) | |
318 | log_error("Import process failed with exit code %i.", si->si_status); | |
319 | else { | |
320 | log_debug("Import process succeeded."); | |
321 | success = true; | |
322 | } | |
323 | ||
324 | } else if (si->si_code == CLD_KILLED || | |
325 | si->si_code == CLD_DUMPED) | |
326 | ||
327 | log_error("Import process terminated by signal %s.", signal_to_string(si->si_status)); | |
328 | else | |
329 | log_error("Import process failed due to unknown reason."); | |
330 | ||
331 | t->pid = 0; | |
332 | ||
333 | return transfer_finalize(t, success); | |
334 | } | |
335 | ||
336 | static int transfer_on_log(sd_event_source *s, int fd, uint32_t revents, void *userdata) { | |
337 | Transfer *t = userdata; | |
338 | ssize_t l; | |
339 | ||
340 | assert(s); | |
341 | assert(t); | |
342 | ||
343 | l = read(fd, t->log_message + t->log_message_size, sizeof(t->log_message) - t->log_message_size); | |
344 | if (l <= 0) { | |
345 | /* EOF/read error. We just close the pipe here, and | |
346 | * close the watch, waiting for the SIGCHLD to arrive, | |
347 | * before we do anything else. */ | |
348 | ||
349 | if (l < 0) | |
350 | log_error_errno(errno, "Failed to read log message: %m"); | |
351 | ||
352 | t->log_event_source = sd_event_source_unref(t->log_event_source); | |
353 | return 0; | |
354 | } | |
355 | ||
356 | t->log_message_size += l; | |
357 | ||
358 | transfer_send_logs(t, false); | |
359 | ||
360 | return 0; | |
361 | } | |
362 | ||
363 | static int transfer_start(Transfer *t) { | |
364 | _cleanup_close_pair_ int pipefd[2] = { -1, -1 }; | |
365 | int r; | |
366 | ||
367 | assert(t); | |
368 | assert(t->pid <= 0); | |
369 | ||
370 | if (pipe2(pipefd, O_CLOEXEC) < 0) | |
371 | return -errno; | |
372 | ||
373 | t->pid = fork(); | |
374 | if (t->pid < 0) | |
375 | return -errno; | |
376 | if (t->pid == 0) { | |
377 | const char *cmd[] = { | |
587fec42 | 378 | NULL, /* systemd-import, systemd-export or systemd-pull */ |
b43d75c3 | 379 | NULL, /* tar, raw */ |
b6e676ce | 380 | NULL, /* --verify= */ |
3d7415f4 LP |
381 | NULL, /* verify argument */ |
382 | NULL, /* maybe --force */ | |
b6e676ce | 383 | NULL, /* maybe --read-only */ |
587fec42 LP |
384 | NULL, /* if so: the actual URL */ |
385 | NULL, /* maybe --format= */ | |
386 | NULL, /* if so: the actual format */ | |
3d7415f4 LP |
387 | NULL, /* remote */ |
388 | NULL, /* local */ | |
389 | NULL | |
390 | }; | |
b6e676ce | 391 | unsigned k = 0; |
3d7415f4 LP |
392 | |
393 | /* Child */ | |
394 | ||
ce30c8dc LP |
395 | (void) reset_all_signal_handlers(); |
396 | (void) reset_signal_mask(); | |
3d7415f4 LP |
397 | assert_se(prctl(PR_SET_PDEATHSIG, SIGTERM) == 0); |
398 | ||
399 | pipefd[0] = safe_close(pipefd[0]); | |
400 | ||
587fec42 | 401 | if (dup2(pipefd[1], STDERR_FILENO) != STDERR_FILENO) { |
3d7415f4 LP |
402 | log_error_errno(errno, "Failed to dup2() fd: %m"); |
403 | _exit(EXIT_FAILURE); | |
404 | } | |
405 | ||
587fec42 LP |
406 | if (t->stdout_fd >= 0) { |
407 | if (dup2(t->stdout_fd, STDOUT_FILENO) != STDOUT_FILENO) { | |
408 | log_error_errno(errno, "Failed to dup2() fd: %m"); | |
409 | _exit(EXIT_FAILURE); | |
410 | } | |
411 | ||
412 | if (t->stdout_fd != STDOUT_FILENO) | |
413 | safe_close(t->stdout_fd); | |
414 | } else { | |
415 | if (dup2(pipefd[1], STDOUT_FILENO) != STDOUT_FILENO) { | |
416 | log_error_errno(errno, "Failed to dup2() fd: %m"); | |
417 | _exit(EXIT_FAILURE); | |
418 | } | |
3d7415f4 LP |
419 | } |
420 | ||
421 | if (pipefd[1] != STDOUT_FILENO && pipefd[1] != STDERR_FILENO) | |
422 | pipefd[1] = safe_close(pipefd[1]); | |
423 | ||
b6e676ce LP |
424 | if (t->stdin_fd >= 0) { |
425 | if (dup2(t->stdin_fd, STDIN_FILENO) != STDIN_FILENO) { | |
426 | log_error_errno(errno, "Failed to dup2() fd: %m"); | |
427 | _exit(EXIT_FAILURE); | |
428 | } | |
429 | ||
430 | if (t->stdin_fd != STDIN_FILENO) | |
431 | safe_close(t->stdin_fd); | |
432 | } else { | |
433 | int null_fd; | |
434 | ||
435 | null_fd = open("/dev/null", O_RDONLY|O_NOCTTY); | |
436 | if (null_fd < 0) { | |
437 | log_error_errno(errno, "Failed to open /dev/null: %m"); | |
438 | _exit(EXIT_FAILURE); | |
439 | } | |
440 | ||
441 | if (dup2(null_fd, STDIN_FILENO) != STDIN_FILENO) { | |
442 | log_error_errno(errno, "Failed to dup2() fd: %m"); | |
443 | _exit(EXIT_FAILURE); | |
444 | } | |
445 | ||
446 | if (null_fd != STDIN_FILENO) | |
447 | safe_close(null_fd); | |
3d7415f4 LP |
448 | } |
449 | ||
913f38e4 | 450 | stdio_unset_cloexec(); |
3d7415f4 | 451 | |
7079cfef LP |
452 | setenv("SYSTEMD_LOG_TARGET", "console-prefixed", 1); |
453 | setenv("NOTIFY_SOCKET", "/run/systemd/import/notify", 1); | |
3d7415f4 | 454 | |
b6e676ce LP |
455 | if (IN_SET(t->type, TRANSFER_IMPORT_TAR, TRANSFER_IMPORT_RAW)) |
456 | cmd[k++] = SYSTEMD_IMPORT_PATH; | |
587fec42 LP |
457 | else if (IN_SET(t->type, TRANSFER_EXPORT_TAR, TRANSFER_EXPORT_RAW)) |
458 | cmd[k++] = SYSTEMD_EXPORT_PATH; | |
b6e676ce LP |
459 | else |
460 | cmd[k++] = SYSTEMD_PULL_PATH; | |
461 | ||
587fec42 | 462 | if (IN_SET(t->type, TRANSFER_IMPORT_TAR, TRANSFER_EXPORT_TAR, TRANSFER_PULL_TAR)) |
b6e676ce | 463 | cmd[k++] = "tar"; |
b6e676ce | 464 | else |
b43d75c3 | 465 | cmd[k++] = "raw"; |
b6e676ce LP |
466 | |
467 | if (t->verify != _IMPORT_VERIFY_INVALID) { | |
468 | cmd[k++] = "--verify"; | |
469 | cmd[k++] = import_verify_to_string(t->verify); | |
470 | } | |
471 | ||
3d7415f4 LP |
472 | if (t->force_local) |
473 | cmd[k++] = "--force"; | |
b6e676ce LP |
474 | if (t->read_only) |
475 | cmd[k++] = "--read-only"; | |
3d7415f4 | 476 | |
587fec42 LP |
477 | if (t->format) { |
478 | cmd[k++] = "--format"; | |
479 | cmd[k++] = t->format; | |
480 | } | |
481 | ||
482 | if (!IN_SET(t->type, TRANSFER_EXPORT_TAR, TRANSFER_EXPORT_RAW)) { | |
483 | if (t->remote) | |
484 | cmd[k++] = t->remote; | |
485 | else | |
486 | cmd[k++] = "-"; | |
487 | } | |
b6e676ce | 488 | |
3d7415f4 LP |
489 | if (t->local) |
490 | cmd[k++] = t->local; | |
491 | cmd[k] = NULL; | |
492 | ||
b6e676ce LP |
493 | execv(cmd[0], (char * const *) cmd); |
494 | log_error_errno(errno, "Failed to execute %s tool: %m", cmd[0]); | |
3d7415f4 LP |
495 | _exit(EXIT_FAILURE); |
496 | } | |
497 | ||
498 | pipefd[1] = safe_close(pipefd[1]); | |
499 | t->log_fd = pipefd[0]; | |
500 | pipefd[0] = -1; | |
501 | ||
b6e676ce LP |
502 | t->stdin_fd = safe_close(t->stdin_fd); |
503 | ||
3d7415f4 LP |
504 | r = sd_event_add_child(t->manager->event, &t->pid_event_source, t->pid, WEXITED, transfer_on_pid, t); |
505 | if (r < 0) | |
506 | return r; | |
507 | ||
508 | r = sd_event_add_io(t->manager->event, &t->log_event_source, t->log_fd, EPOLLIN, transfer_on_log, t); | |
509 | if (r < 0) | |
510 | return r; | |
511 | ||
512 | /* Make sure always process logging before SIGCHLD */ | |
513 | r = sd_event_source_set_priority(t->log_event_source, SD_EVENT_PRIORITY_NORMAL -5); | |
514 | if (r < 0) | |
515 | return r; | |
516 | ||
517 | r = sd_bus_emit_signal( | |
518 | t->manager->bus, | |
519 | "/org/freedesktop/import1", | |
520 | "org.freedesktop.import1.Manager", | |
521 | "TransferNew", | |
522 | "uo", | |
523 | t->id, | |
524 | t->object_path); | |
525 | if (r < 0) | |
526 | return r; | |
527 | ||
528 | return 0; | |
529 | } | |
530 | ||
531 | static Manager *manager_unref(Manager *m) { | |
532 | Transfer *t; | |
533 | ||
534 | if (!m) | |
535 | return NULL; | |
536 | ||
7079cfef LP |
537 | sd_event_source_unref(m->notify_event_source); |
538 | safe_close(m->notify_fd); | |
539 | ||
3d7415f4 LP |
540 | while ((t = hashmap_first(m->transfers))) |
541 | transfer_unref(t); | |
542 | ||
543 | hashmap_free(m->transfers); | |
544 | ||
545 | bus_verify_polkit_async_registry_free(m->polkit_registry); | |
546 | ||
03976f7b | 547 | m->bus = sd_bus_flush_close_unref(m->bus); |
3d7415f4 LP |
548 | sd_event_unref(m->event); |
549 | ||
6b430fdb | 550 | return mfree(m); |
3d7415f4 LP |
551 | } |
552 | ||
553 | DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_unref); | |
554 | ||
7079cfef LP |
555 | static int manager_on_notify(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
556 | ||
557 | char buf[NOTIFY_BUFFER_MAX+1]; | |
558 | struct iovec iovec = { | |
559 | .iov_base = buf, | |
560 | .iov_len = sizeof(buf)-1, | |
561 | }; | |
562 | union { | |
563 | struct cmsghdr cmsghdr; | |
564 | uint8_t buf[CMSG_SPACE(sizeof(struct ucred)) + | |
565 | CMSG_SPACE(sizeof(int) * NOTIFY_FD_MAX)]; | |
566 | } control = {}; | |
567 | struct msghdr msghdr = { | |
568 | .msg_iov = &iovec, | |
569 | .msg_iovlen = 1, | |
570 | .msg_control = &control, | |
571 | .msg_controllen = sizeof(control), | |
572 | }; | |
573 | struct ucred *ucred = NULL; | |
574 | Manager *m = userdata; | |
575 | struct cmsghdr *cmsg; | |
576 | unsigned percent; | |
577 | char *p, *e; | |
578 | Transfer *t; | |
579 | Iterator i; | |
580 | ssize_t n; | |
581 | int r; | |
582 | ||
583 | n = recvmsg(fd, &msghdr, MSG_DONTWAIT|MSG_CMSG_CLOEXEC); | |
584 | if (n < 0) { | |
585 | if (errno == EAGAIN || errno == EINTR) | |
586 | return 0; | |
587 | ||
588 | return -errno; | |
589 | } | |
590 | ||
1c8da044 LP |
591 | cmsg_close_all(&msghdr); |
592 | ||
3ee897d6 LP |
593 | CMSG_FOREACH(cmsg, &msghdr) |
594 | if (cmsg->cmsg_level == SOL_SOCKET && | |
595 | cmsg->cmsg_type == SCM_CREDENTIALS && | |
596 | cmsg->cmsg_len == CMSG_LEN(sizeof(struct ucred))) | |
7079cfef | 597 | ucred = (struct ucred*) CMSG_DATA(cmsg); |
7079cfef LP |
598 | |
599 | if (msghdr.msg_flags & MSG_TRUNC) { | |
600 | log_warning("Got overly long notification datagram, ignoring."); | |
601 | return 0; | |
602 | } | |
603 | ||
604 | if (!ucred || ucred->pid <= 0) { | |
605 | log_warning("Got notification datagram lacking credential information, ignoring."); | |
606 | return 0; | |
607 | } | |
608 | ||
609 | HASHMAP_FOREACH(t, m->transfers, i) | |
610 | if (ucred->pid == t->pid) | |
611 | break; | |
612 | ||
613 | if (!t) { | |
614 | log_warning("Got notification datagram from unexpected peer, ignoring."); | |
615 | return 0; | |
616 | } | |
617 | ||
618 | buf[n] = 0; | |
619 | ||
620 | p = startswith(buf, "X_IMPORT_PROGRESS="); | |
621 | if (!p) { | |
622 | p = strstr(buf, "\nX_IMPORT_PROGRESS="); | |
623 | if (!p) | |
624 | return 0; | |
625 | ||
626 | p += 19; | |
627 | } | |
628 | ||
629 | e = strchrnul(p, '\n'); | |
630 | *e = 0; | |
631 | ||
632 | r = safe_atou(p, &percent); | |
633 | if (r < 0 || percent > 100) { | |
634 | log_warning("Got invalid percent value, ignoring."); | |
635 | return 0; | |
636 | } | |
637 | ||
638 | t->progress_percent = percent; | |
639 | ||
640 | log_debug("Got percentage from client: %u%%", percent); | |
641 | return 0; | |
642 | } | |
643 | ||
3d7415f4 LP |
644 | static int manager_new(Manager **ret) { |
645 | _cleanup_(manager_unrefp) Manager *m = NULL; | |
7079cfef LP |
646 | static const union sockaddr_union sa = { |
647 | .un.sun_family = AF_UNIX, | |
648 | .un.sun_path = "/run/systemd/import/notify", | |
649 | }; | |
650 | static const int one = 1; | |
3d7415f4 LP |
651 | int r; |
652 | ||
653 | assert(ret); | |
654 | ||
655 | m = new0(Manager, 1); | |
656 | if (!m) | |
657 | return -ENOMEM; | |
658 | ||
659 | r = sd_event_default(&m->event); | |
660 | if (r < 0) | |
661 | return r; | |
662 | ||
663 | sd_event_set_watchdog(m->event, true); | |
664 | ||
665 | r = sd_bus_default_system(&m->bus); | |
666 | if (r < 0) | |
667 | return r; | |
668 | ||
7079cfef LP |
669 | m->notify_fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0); |
670 | if (m->notify_fd < 0) | |
671 | return -errno; | |
672 | ||
673 | (void) mkdir_parents_label(sa.un.sun_path, 0755); | |
674 | (void) unlink(sa.un.sun_path); | |
675 | ||
fc2fffe7 | 676 | if (bind(m->notify_fd, &sa.sa, SOCKADDR_UN_LEN(sa.un)) < 0) |
7079cfef LP |
677 | return -errno; |
678 | ||
679 | if (setsockopt(m->notify_fd, SOL_SOCKET, SO_PASSCRED, &one, sizeof(one)) < 0) | |
680 | return -errno; | |
681 | ||
682 | r = sd_event_add_io(m->event, &m->notify_event_source, m->notify_fd, EPOLLIN, manager_on_notify, m); | |
683 | if (r < 0) | |
684 | return r; | |
685 | ||
3d7415f4 LP |
686 | *ret = m; |
687 | m = NULL; | |
688 | ||
689 | return 0; | |
690 | } | |
691 | ||
b43d75c3 | 692 | static Transfer *manager_find(Manager *m, TransferType type, const char *remote) { |
3d7415f4 LP |
693 | Transfer *t; |
694 | Iterator i; | |
695 | ||
696 | assert(m); | |
697 | assert(type >= 0); | |
698 | assert(type < _TRANSFER_TYPE_MAX); | |
699 | ||
700 | HASHMAP_FOREACH(t, m->transfers, i) { | |
701 | ||
702 | if (t->type == type && | |
b43d75c3 | 703 | streq_ptr(t->remote, remote)) |
3d7415f4 LP |
704 | return t; |
705 | } | |
706 | ||
707 | return NULL; | |
708 | } | |
709 | ||
19070062 | 710 | static int method_import_tar_or_raw(sd_bus_message *msg, void *userdata, sd_bus_error *error) { |
b6e676ce LP |
711 | _cleanup_(transfer_unrefp) Transfer *t = NULL; |
712 | int fd, force, read_only, r; | |
713 | const char *local, *object; | |
714 | Manager *m = userdata; | |
715 | TransferType type; | |
716 | uint32_t id; | |
717 | ||
19070062 LP |
718 | assert(msg); |
719 | assert(m); | |
720 | ||
b6e676ce LP |
721 | r = bus_verify_polkit_async( |
722 | msg, | |
723 | CAP_SYS_ADMIN, | |
724 | "org.freedesktop.import1.import", | |
403ed0e5 | 725 | NULL, |
b6e676ce LP |
726 | false, |
727 | UID_INVALID, | |
728 | &m->polkit_registry, | |
729 | error); | |
730 | if (r < 0) | |
731 | return r; | |
732 | if (r == 0) | |
733 | return 1; /* Will call us back */ | |
734 | ||
735 | r = sd_bus_message_read(msg, "hsbb", &fd, &local, &force, &read_only); | |
736 | if (r < 0) | |
737 | return r; | |
738 | ||
739 | if (!machine_name_is_valid(local)) | |
740 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Local name %s is invalid", local); | |
741 | ||
742 | r = setup_machine_directory((uint64_t) -1, error); | |
743 | if (r < 0) | |
744 | return r; | |
745 | ||
746 | type = streq_ptr(sd_bus_message_get_member(msg), "ImportTar") ? TRANSFER_IMPORT_TAR : TRANSFER_IMPORT_RAW; | |
747 | ||
748 | r = transfer_new(m, &t); | |
749 | if (r < 0) | |
750 | return r; | |
751 | ||
752 | t->type = type; | |
753 | t->force_local = force; | |
754 | t->read_only = read_only; | |
755 | ||
756 | t->local = strdup(local); | |
757 | if (!t->local) | |
758 | return -ENOMEM; | |
759 | ||
760 | t->stdin_fd = fcntl(fd, F_DUPFD_CLOEXEC, 3); | |
761 | if (t->stdin_fd < 0) | |
762 | return -errno; | |
763 | ||
764 | r = transfer_start(t); | |
765 | if (r < 0) | |
766 | return r; | |
767 | ||
768 | object = t->object_path; | |
769 | id = t->id; | |
770 | t = NULL; | |
771 | ||
772 | return sd_bus_reply_method_return(msg, "uo", id, object); | |
773 | } | |
774 | ||
19070062 | 775 | static int method_export_tar_or_raw(sd_bus_message *msg, void *userdata, sd_bus_error *error) { |
587fec42 LP |
776 | _cleanup_(transfer_unrefp) Transfer *t = NULL; |
777 | int fd, r; | |
778 | const char *local, *object, *format; | |
779 | Manager *m = userdata; | |
780 | TransferType type; | |
781 | uint32_t id; | |
782 | ||
19070062 LP |
783 | assert(msg); |
784 | assert(m); | |
785 | ||
587fec42 LP |
786 | r = bus_verify_polkit_async( |
787 | msg, | |
788 | CAP_SYS_ADMIN, | |
789 | "org.freedesktop.import1.export", | |
403ed0e5 | 790 | NULL, |
587fec42 LP |
791 | false, |
792 | UID_INVALID, | |
793 | &m->polkit_registry, | |
794 | error); | |
795 | if (r < 0) | |
796 | return r; | |
797 | if (r == 0) | |
798 | return 1; /* Will call us back */ | |
799 | ||
800 | r = sd_bus_message_read(msg, "shs", &local, &fd, &format); | |
801 | if (r < 0) | |
802 | return r; | |
803 | ||
804 | if (!machine_name_is_valid(local)) | |
805 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Local name %s is invalid", local); | |
806 | ||
807 | type = streq_ptr(sd_bus_message_get_member(msg), "ExportTar") ? TRANSFER_EXPORT_TAR : TRANSFER_EXPORT_RAW; | |
808 | ||
809 | r = transfer_new(m, &t); | |
810 | if (r < 0) | |
811 | return r; | |
812 | ||
813 | t->type = type; | |
814 | ||
815 | if (!isempty(format)) { | |
816 | t->format = strdup(format); | |
817 | if (!t->format) | |
818 | return -ENOMEM; | |
819 | } | |
820 | ||
821 | t->local = strdup(local); | |
822 | if (!t->local) | |
823 | return -ENOMEM; | |
824 | ||
825 | t->stdout_fd = fcntl(fd, F_DUPFD_CLOEXEC, 3); | |
826 | if (t->stdout_fd < 0) | |
827 | return -errno; | |
828 | ||
829 | r = transfer_start(t); | |
830 | if (r < 0) | |
831 | return r; | |
832 | ||
833 | object = t->object_path; | |
834 | id = t->id; | |
835 | t = NULL; | |
836 | ||
837 | return sd_bus_reply_method_return(msg, "uo", id, object); | |
838 | } | |
839 | ||
19070062 | 840 | static int method_pull_tar_or_raw(sd_bus_message *msg, void *userdata, sd_bus_error *error) { |
3d7415f4 LP |
841 | _cleanup_(transfer_unrefp) Transfer *t = NULL; |
842 | const char *remote, *local, *verify, *object; | |
843 | Manager *m = userdata; | |
844 | ImportVerify v; | |
845 | TransferType type; | |
846 | int force, r; | |
847 | uint32_t id; | |
848 | ||
3d7415f4 LP |
849 | assert(msg); |
850 | assert(m); | |
851 | ||
852 | r = bus_verify_polkit_async( | |
853 | msg, | |
854 | CAP_SYS_ADMIN, | |
855 | "org.freedesktop.import1.pull", | |
403ed0e5 | 856 | NULL, |
3d7415f4 | 857 | false, |
c529695e | 858 | UID_INVALID, |
3d7415f4 LP |
859 | &m->polkit_registry, |
860 | error); | |
861 | if (r < 0) | |
862 | return r; | |
863 | if (r == 0) | |
864 | return 1; /* Will call us back */ | |
865 | ||
866 | r = sd_bus_message_read(msg, "sssb", &remote, &local, &verify, &force); | |
867 | if (r < 0) | |
868 | return r; | |
869 | ||
870 | if (!http_url_is_valid(remote)) | |
871 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "URL %s is invalid", remote); | |
872 | ||
873 | if (isempty(local)) | |
874 | local = NULL; | |
875 | else if (!machine_name_is_valid(local)) | |
876 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Local name %s is invalid", local); | |
877 | ||
878 | if (isempty(verify)) | |
879 | v = IMPORT_VERIFY_SIGNATURE; | |
880 | else | |
881 | v = import_verify_from_string(verify); | |
882 | if (v < 0) | |
883 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown verification mode %s", verify); | |
884 | ||
4cee5eed | 885 | r = setup_machine_directory((uint64_t) -1, error); |
ce06fdfb LP |
886 | if (r < 0) |
887 | return r; | |
888 | ||
b6e676ce | 889 | type = streq_ptr(sd_bus_message_get_member(msg), "PullTar") ? TRANSFER_PULL_TAR : TRANSFER_PULL_RAW; |
3d7415f4 | 890 | |
b43d75c3 | 891 | if (manager_find(m, type, remote)) |
3d7415f4 LP |
892 | return sd_bus_error_setf(error, BUS_ERROR_TRANSFER_IN_PROGRESS, "Transfer for %s already in progress.", remote); |
893 | ||
894 | r = transfer_new(m, &t); | |
895 | if (r < 0) | |
896 | return r; | |
897 | ||
898 | t->type = type; | |
899 | t->verify = v; | |
900 | t->force_local = force; | |
901 | ||
902 | t->remote = strdup(remote); | |
903 | if (!t->remote) | |
904 | return -ENOMEM; | |
905 | ||
b6e676ce LP |
906 | if (local) { |
907 | t->local = strdup(local); | |
908 | if (!t->local) | |
909 | return -ENOMEM; | |
910 | } | |
3d7415f4 LP |
911 | |
912 | r = transfer_start(t); | |
913 | if (r < 0) | |
914 | return r; | |
915 | ||
916 | object = t->object_path; | |
917 | id = t->id; | |
918 | t = NULL; | |
919 | ||
920 | return sd_bus_reply_method_return(msg, "uo", id, object); | |
921 | } | |
922 | ||
19070062 | 923 | static int method_list_transfers(sd_bus_message *msg, void *userdata, sd_bus_error *error) { |
4afd3348 | 924 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
3d7415f4 LP |
925 | Manager *m = userdata; |
926 | Transfer *t; | |
927 | Iterator i; | |
928 | int r; | |
929 | ||
3d7415f4 LP |
930 | assert(msg); |
931 | assert(m); | |
932 | ||
933 | r = sd_bus_message_new_method_return(msg, &reply); | |
934 | if (r < 0) | |
935 | return r; | |
936 | ||
7079cfef | 937 | r = sd_bus_message_open_container(reply, 'a', "(usssdo)"); |
3d7415f4 LP |
938 | if (r < 0) |
939 | return r; | |
940 | ||
941 | HASHMAP_FOREACH(t, m->transfers, i) { | |
942 | ||
943 | r = sd_bus_message_append( | |
944 | reply, | |
7079cfef | 945 | "(usssdo)", |
3d7415f4 LP |
946 | t->id, |
947 | transfer_type_to_string(t->type), | |
948 | t->remote, | |
949 | t->local, | |
7079cfef | 950 | (double) t->progress_percent / 100.0, |
3d7415f4 LP |
951 | t->object_path); |
952 | if (r < 0) | |
953 | return r; | |
954 | } | |
955 | ||
956 | r = sd_bus_message_close_container(reply); | |
957 | if (r < 0) | |
958 | return r; | |
959 | ||
9030ca46 | 960 | return sd_bus_send(NULL, reply, NULL); |
3d7415f4 LP |
961 | } |
962 | ||
19070062 | 963 | static int method_cancel(sd_bus_message *msg, void *userdata, sd_bus_error *error) { |
3d7415f4 LP |
964 | Transfer *t = userdata; |
965 | int r; | |
966 | ||
3d7415f4 LP |
967 | assert(msg); |
968 | assert(t); | |
969 | ||
970 | r = bus_verify_polkit_async( | |
971 | msg, | |
972 | CAP_SYS_ADMIN, | |
973 | "org.freedesktop.import1.pull", | |
403ed0e5 | 974 | NULL, |
3d7415f4 | 975 | false, |
c529695e | 976 | UID_INVALID, |
3d7415f4 LP |
977 | &t->manager->polkit_registry, |
978 | error); | |
979 | if (r < 0) | |
980 | return r; | |
981 | if (r == 0) | |
982 | return 1; /* Will call us back */ | |
983 | ||
984 | r = transfer_cancel(t); | |
985 | if (r < 0) | |
986 | return r; | |
987 | ||
988 | return sd_bus_reply_method_return(msg, NULL); | |
989 | } | |
990 | ||
19070062 | 991 | static int method_cancel_transfer(sd_bus_message *msg, void *userdata, sd_bus_error *error) { |
3d7415f4 LP |
992 | Manager *m = userdata; |
993 | Transfer *t; | |
994 | uint32_t id; | |
995 | int r; | |
996 | ||
3d7415f4 LP |
997 | assert(msg); |
998 | assert(m); | |
999 | ||
1000 | r = bus_verify_polkit_async( | |
1001 | msg, | |
1002 | CAP_SYS_ADMIN, | |
1003 | "org.freedesktop.import1.pull", | |
403ed0e5 | 1004 | NULL, |
3d7415f4 | 1005 | false, |
c529695e | 1006 | UID_INVALID, |
3d7415f4 LP |
1007 | &m->polkit_registry, |
1008 | error); | |
1009 | if (r < 0) | |
1010 | return r; | |
1011 | if (r == 0) | |
1012 | return 1; /* Will call us back */ | |
1013 | ||
1014 | r = sd_bus_message_read(msg, "u", &id); | |
1015 | if (r < 0) | |
1016 | return r; | |
1017 | if (id <= 0) | |
1018 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid transfer id"); | |
1019 | ||
1020 | t = hashmap_get(m->transfers, UINT32_TO_PTR(id)); | |
1021 | if (!t) | |
09d46cfd | 1022 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_TRANSFER, "No transfer by id %" PRIu32, id); |
3d7415f4 LP |
1023 | |
1024 | r = transfer_cancel(t); | |
1025 | if (r < 0) | |
1026 | return r; | |
1027 | ||
1028 | return sd_bus_reply_method_return(msg, NULL); | |
1029 | } | |
1030 | ||
7079cfef LP |
1031 | static int property_get_progress( |
1032 | sd_bus *bus, | |
1033 | const char *path, | |
1034 | const char *interface, | |
1035 | const char *property, | |
1036 | sd_bus_message *reply, | |
1037 | void *userdata, | |
1038 | sd_bus_error *error) { | |
1039 | ||
1040 | Transfer *t = userdata; | |
1041 | ||
1042 | assert(bus); | |
1043 | assert(reply); | |
1044 | assert(t); | |
1045 | ||
1046 | return sd_bus_message_append(reply, "d", (double) t->progress_percent / 100.0); | |
1047 | } | |
1048 | ||
3d7415f4 LP |
1049 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_type, transfer_type, TransferType); |
1050 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_verify, import_verify, ImportVerify); | |
1051 | ||
1052 | static const sd_bus_vtable transfer_vtable[] = { | |
1053 | SD_BUS_VTABLE_START(0), | |
1054 | SD_BUS_PROPERTY("Id", "u", NULL, offsetof(Transfer, id), SD_BUS_VTABLE_PROPERTY_CONST), | |
1055 | SD_BUS_PROPERTY("Local", "s", NULL, offsetof(Transfer, local), SD_BUS_VTABLE_PROPERTY_CONST), | |
1056 | SD_BUS_PROPERTY("Remote", "s", NULL, offsetof(Transfer, remote), SD_BUS_VTABLE_PROPERTY_CONST), | |
1057 | SD_BUS_PROPERTY("Type", "s", property_get_type, offsetof(Transfer, type), SD_BUS_VTABLE_PROPERTY_CONST), | |
1058 | SD_BUS_PROPERTY("Verify", "s", property_get_verify, offsetof(Transfer, verify), SD_BUS_VTABLE_PROPERTY_CONST), | |
7079cfef | 1059 | SD_BUS_PROPERTY("Progress", "d", property_get_progress, 0, 0), |
3d7415f4 LP |
1060 | SD_BUS_METHOD("Cancel", NULL, NULL, method_cancel, SD_BUS_VTABLE_UNPRIVILEGED), |
1061 | SD_BUS_SIGNAL("LogMessage", "us", 0), | |
1062 | SD_BUS_VTABLE_END, | |
1063 | }; | |
1064 | ||
1065 | static const sd_bus_vtable manager_vtable[] = { | |
1066 | SD_BUS_VTABLE_START(0), | |
b6e676ce LP |
1067 | SD_BUS_METHOD("ImportTar", "hsbb", "uo", method_import_tar_or_raw, SD_BUS_VTABLE_UNPRIVILEGED), |
1068 | SD_BUS_METHOD("ImportRaw", "hsbb", "uo", method_import_tar_or_raw, SD_BUS_VTABLE_UNPRIVILEGED), | |
587fec42 LP |
1069 | SD_BUS_METHOD("ExportTar", "shs", "uo", method_export_tar_or_raw, SD_BUS_VTABLE_UNPRIVILEGED), |
1070 | SD_BUS_METHOD("ExportRaw", "shs", "uo", method_export_tar_or_raw, SD_BUS_VTABLE_UNPRIVILEGED), | |
3d7415f4 LP |
1071 | SD_BUS_METHOD("PullTar", "sssb", "uo", method_pull_tar_or_raw, SD_BUS_VTABLE_UNPRIVILEGED), |
1072 | SD_BUS_METHOD("PullRaw", "sssb", "uo", method_pull_tar_or_raw, SD_BUS_VTABLE_UNPRIVILEGED), | |
7079cfef | 1073 | SD_BUS_METHOD("ListTransfers", NULL, "a(usssdo)", method_list_transfers, SD_BUS_VTABLE_UNPRIVILEGED), |
3d7415f4 LP |
1074 | SD_BUS_METHOD("CancelTransfer", "u", NULL, method_cancel_transfer, SD_BUS_VTABLE_UNPRIVILEGED), |
1075 | SD_BUS_SIGNAL("TransferNew", "uo", 0), | |
1076 | SD_BUS_SIGNAL("TransferRemoved", "uos", 0), | |
1077 | SD_BUS_VTABLE_END, | |
1078 | }; | |
1079 | ||
1080 | static int transfer_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { | |
1081 | Manager *m = userdata; | |
1082 | Transfer *t; | |
1083 | const char *p; | |
1084 | uint32_t id; | |
1085 | int r; | |
1086 | ||
1087 | assert(bus); | |
1088 | assert(path); | |
1089 | assert(interface); | |
1090 | assert(found); | |
1091 | assert(m); | |
1092 | ||
1093 | p = startswith(path, "/org/freedesktop/import1/transfer/_"); | |
1094 | if (!p) | |
1095 | return 0; | |
1096 | ||
1097 | r = safe_atou32(p, &id); | |
1098 | if (r < 0 || id == 0) | |
1099 | return 0; | |
1100 | ||
1101 | t = hashmap_get(m->transfers, UINT32_TO_PTR(id)); | |
1102 | if (!t) | |
1103 | return 0; | |
1104 | ||
1105 | *found = t; | |
1106 | return 1; | |
1107 | } | |
1108 | ||
1109 | static int transfer_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) { | |
1110 | _cleanup_strv_free_ char **l = NULL; | |
1111 | Manager *m = userdata; | |
1112 | Transfer *t; | |
1113 | unsigned k = 0; | |
1114 | Iterator i; | |
1115 | ||
1116 | l = new0(char*, hashmap_size(m->transfers) + 1); | |
1117 | if (!l) | |
1118 | return -ENOMEM; | |
1119 | ||
1120 | HASHMAP_FOREACH(t, m->transfers, i) { | |
1121 | ||
1122 | l[k] = strdup(t->object_path); | |
1123 | if (!l[k]) | |
1124 | return -ENOMEM; | |
1125 | ||
1126 | k++; | |
1127 | } | |
1128 | ||
1129 | *nodes = l; | |
1130 | l = NULL; | |
1131 | ||
1132 | return 1; | |
1133 | } | |
1134 | ||
1135 | static int manager_add_bus_objects(Manager *m) { | |
1136 | int r; | |
1137 | ||
1138 | assert(m); | |
1139 | ||
1140 | r = sd_bus_add_object_vtable(m->bus, NULL, "/org/freedesktop/import1", "org.freedesktop.import1.Manager", manager_vtable, m); | |
1141 | if (r < 0) | |
1142 | return log_error_errno(r, "Failed to register object: %m"); | |
1143 | ||
1144 | r = sd_bus_add_fallback_vtable(m->bus, NULL, "/org/freedesktop/import1/transfer", "org.freedesktop.import1.Transfer", transfer_vtable, transfer_object_find, m); | |
1145 | if (r < 0) | |
1146 | return log_error_errno(r, "Failed to register object: %m"); | |
1147 | ||
1148 | r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/import1/transfer", transfer_node_enumerator, m); | |
1149 | if (r < 0) | |
1150 | return log_error_errno(r, "Failed to add transfer enumerator: %m"); | |
1151 | ||
1152 | r = sd_bus_request_name(m->bus, "org.freedesktop.import1", 0); | |
1153 | if (r < 0) | |
1154 | return log_error_errno(r, "Failed to register name: %m"); | |
1155 | ||
1156 | r = sd_bus_attach_event(m->bus, m->event, 0); | |
1157 | if (r < 0) | |
1158 | return log_error_errno(r, "Failed to attach bus to event loop: %m"); | |
1159 | ||
1160 | return 0; | |
1161 | } | |
1162 | ||
1163 | static bool manager_check_idle(void *userdata) { | |
1164 | Manager *m = userdata; | |
1165 | ||
1166 | return hashmap_isempty(m->transfers); | |
1167 | } | |
1168 | ||
1169 | static int manager_run(Manager *m) { | |
1170 | assert(m); | |
1171 | ||
1172 | return bus_event_loop_with_idle( | |
1173 | m->event, | |
1174 | m->bus, | |
1175 | "org.freedesktop.import1", | |
1176 | DEFAULT_EXIT_USEC, | |
1177 | manager_check_idle, | |
1178 | m); | |
1179 | } | |
1180 | ||
1181 | int main(int argc, char *argv[]) { | |
1182 | _cleanup_(manager_unrefp) Manager *m = NULL; | |
1183 | int r; | |
1184 | ||
1185 | log_set_target(LOG_TARGET_AUTO); | |
1186 | log_parse_environment(); | |
1187 | log_open(); | |
1188 | ||
1189 | umask(0022); | |
1190 | ||
1191 | if (argc != 1) { | |
1192 | log_error("This program takes no arguments."); | |
1193 | r = -EINVAL; | |
1194 | goto finish; | |
1195 | } | |
1196 | ||
72c0a2c2 | 1197 | assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGCHLD, -1) >= 0); |
3d7415f4 LP |
1198 | |
1199 | r = manager_new(&m); | |
1200 | if (r < 0) { | |
1201 | log_error_errno(r, "Failed to allocate manager object: %m"); | |
1202 | goto finish; | |
1203 | } | |
1204 | ||
1205 | r = manager_add_bus_objects(m); | |
1206 | if (r < 0) | |
1207 | goto finish; | |
1208 | ||
1209 | r = manager_run(m); | |
1210 | if (r < 0) { | |
1211 | log_error_errno(r, "Failed to run event loop: %m"); | |
1212 | goto finish; | |
1213 | } | |
1214 | ||
1215 | finish: | |
1216 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; | |
1217 | } |