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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 */ | |
4c701096 | 253 | while ((e < t->log_message + t->log_message_size) && IN_SET(*e, 0, '\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 | ||
3742095b | 324 | } else if (IN_SET(si->si_code, CLD_KILLED, CLD_DUMPED)) |
3d7415f4 LP |
325 | |
326 | log_error("Import process terminated by signal %s.", signal_to_string(si->si_status)); | |
327 | else | |
328 | log_error("Import process failed due to unknown reason."); | |
329 | ||
330 | t->pid = 0; | |
331 | ||
332 | return transfer_finalize(t, success); | |
333 | } | |
334 | ||
335 | static int transfer_on_log(sd_event_source *s, int fd, uint32_t revents, void *userdata) { | |
336 | Transfer *t = userdata; | |
337 | ssize_t l; | |
338 | ||
339 | assert(s); | |
340 | assert(t); | |
341 | ||
342 | l = read(fd, t->log_message + t->log_message_size, sizeof(t->log_message) - t->log_message_size); | |
343 | if (l <= 0) { | |
344 | /* EOF/read error. We just close the pipe here, and | |
345 | * close the watch, waiting for the SIGCHLD to arrive, | |
346 | * before we do anything else. */ | |
347 | ||
348 | if (l < 0) | |
349 | log_error_errno(errno, "Failed to read log message: %m"); | |
350 | ||
351 | t->log_event_source = sd_event_source_unref(t->log_event_source); | |
352 | return 0; | |
353 | } | |
354 | ||
355 | t->log_message_size += l; | |
356 | ||
357 | transfer_send_logs(t, false); | |
358 | ||
359 | return 0; | |
360 | } | |
361 | ||
362 | static int transfer_start(Transfer *t) { | |
363 | _cleanup_close_pair_ int pipefd[2] = { -1, -1 }; | |
364 | int r; | |
365 | ||
366 | assert(t); | |
367 | assert(t->pid <= 0); | |
368 | ||
369 | if (pipe2(pipefd, O_CLOEXEC) < 0) | |
370 | return -errno; | |
371 | ||
372 | t->pid = fork(); | |
373 | if (t->pid < 0) | |
374 | return -errno; | |
375 | if (t->pid == 0) { | |
376 | const char *cmd[] = { | |
587fec42 | 377 | NULL, /* systemd-import, systemd-export or systemd-pull */ |
b43d75c3 | 378 | NULL, /* tar, raw */ |
b6e676ce | 379 | NULL, /* --verify= */ |
3d7415f4 LP |
380 | NULL, /* verify argument */ |
381 | NULL, /* maybe --force */ | |
b6e676ce | 382 | NULL, /* maybe --read-only */ |
587fec42 LP |
383 | NULL, /* if so: the actual URL */ |
384 | NULL, /* maybe --format= */ | |
385 | NULL, /* if so: the actual format */ | |
3d7415f4 LP |
386 | NULL, /* remote */ |
387 | NULL, /* local */ | |
388 | NULL | |
389 | }; | |
b6e676ce | 390 | unsigned k = 0; |
3d7415f4 LP |
391 | |
392 | /* Child */ | |
393 | ||
ce30c8dc LP |
394 | (void) reset_all_signal_handlers(); |
395 | (void) reset_signal_mask(); | |
3d7415f4 LP |
396 | assert_se(prctl(PR_SET_PDEATHSIG, SIGTERM) == 0); |
397 | ||
398 | pipefd[0] = safe_close(pipefd[0]); | |
399 | ||
587fec42 | 400 | if (dup2(pipefd[1], STDERR_FILENO) != STDERR_FILENO) { |
3d7415f4 LP |
401 | log_error_errno(errno, "Failed to dup2() fd: %m"); |
402 | _exit(EXIT_FAILURE); | |
403 | } | |
404 | ||
587fec42 LP |
405 | if (t->stdout_fd >= 0) { |
406 | if (dup2(t->stdout_fd, STDOUT_FILENO) != STDOUT_FILENO) { | |
407 | log_error_errno(errno, "Failed to dup2() fd: %m"); | |
408 | _exit(EXIT_FAILURE); | |
409 | } | |
410 | ||
411 | if (t->stdout_fd != STDOUT_FILENO) | |
412 | safe_close(t->stdout_fd); | |
413 | } else { | |
414 | if (dup2(pipefd[1], STDOUT_FILENO) != STDOUT_FILENO) { | |
415 | log_error_errno(errno, "Failed to dup2() fd: %m"); | |
416 | _exit(EXIT_FAILURE); | |
417 | } | |
3d7415f4 LP |
418 | } |
419 | ||
ec2ce0c5 | 420 | if (!IN_SET(pipefd[1], STDOUT_FILENO, STDERR_FILENO)) |
3d7415f4 LP |
421 | pipefd[1] = safe_close(pipefd[1]); |
422 | ||
b6e676ce LP |
423 | if (t->stdin_fd >= 0) { |
424 | if (dup2(t->stdin_fd, STDIN_FILENO) != STDIN_FILENO) { | |
425 | log_error_errno(errno, "Failed to dup2() fd: %m"); | |
426 | _exit(EXIT_FAILURE); | |
427 | } | |
428 | ||
429 | if (t->stdin_fd != STDIN_FILENO) | |
430 | safe_close(t->stdin_fd); | |
431 | } else { | |
432 | int null_fd; | |
433 | ||
434 | null_fd = open("/dev/null", O_RDONLY|O_NOCTTY); | |
435 | if (null_fd < 0) { | |
436 | log_error_errno(errno, "Failed to open /dev/null: %m"); | |
437 | _exit(EXIT_FAILURE); | |
438 | } | |
439 | ||
440 | if (dup2(null_fd, STDIN_FILENO) != STDIN_FILENO) { | |
441 | log_error_errno(errno, "Failed to dup2() fd: %m"); | |
442 | _exit(EXIT_FAILURE); | |
443 | } | |
444 | ||
445 | if (null_fd != STDIN_FILENO) | |
446 | safe_close(null_fd); | |
3d7415f4 LP |
447 | } |
448 | ||
913f38e4 | 449 | stdio_unset_cloexec(); |
3d7415f4 | 450 | |
df8067ef ZJS |
451 | if (setenv("SYSTEMD_LOG_TARGET", "console-prefixed", 1) < 0 || |
452 | setenv("NOTIFY_SOCKET", "/run/systemd/import/notify", 1) < 0) { | |
453 | log_error_errno(errno, "setenv() failed: %m"); | |
454 | _exit(EXIT_FAILURE); | |
455 | } | |
3d7415f4 | 456 | |
b6e676ce LP |
457 | if (IN_SET(t->type, TRANSFER_IMPORT_TAR, TRANSFER_IMPORT_RAW)) |
458 | cmd[k++] = SYSTEMD_IMPORT_PATH; | |
587fec42 LP |
459 | else if (IN_SET(t->type, TRANSFER_EXPORT_TAR, TRANSFER_EXPORT_RAW)) |
460 | cmd[k++] = SYSTEMD_EXPORT_PATH; | |
b6e676ce LP |
461 | else |
462 | cmd[k++] = SYSTEMD_PULL_PATH; | |
463 | ||
587fec42 | 464 | if (IN_SET(t->type, TRANSFER_IMPORT_TAR, TRANSFER_EXPORT_TAR, TRANSFER_PULL_TAR)) |
b6e676ce | 465 | cmd[k++] = "tar"; |
b6e676ce | 466 | else |
b43d75c3 | 467 | cmd[k++] = "raw"; |
b6e676ce LP |
468 | |
469 | if (t->verify != _IMPORT_VERIFY_INVALID) { | |
470 | cmd[k++] = "--verify"; | |
471 | cmd[k++] = import_verify_to_string(t->verify); | |
472 | } | |
473 | ||
3d7415f4 LP |
474 | if (t->force_local) |
475 | cmd[k++] = "--force"; | |
b6e676ce LP |
476 | if (t->read_only) |
477 | cmd[k++] = "--read-only"; | |
3d7415f4 | 478 | |
587fec42 LP |
479 | if (t->format) { |
480 | cmd[k++] = "--format"; | |
481 | cmd[k++] = t->format; | |
482 | } | |
483 | ||
484 | if (!IN_SET(t->type, TRANSFER_EXPORT_TAR, TRANSFER_EXPORT_RAW)) { | |
485 | if (t->remote) | |
486 | cmd[k++] = t->remote; | |
487 | else | |
488 | cmd[k++] = "-"; | |
489 | } | |
b6e676ce | 490 | |
3d7415f4 LP |
491 | if (t->local) |
492 | cmd[k++] = t->local; | |
493 | cmd[k] = NULL; | |
494 | ||
b6e676ce LP |
495 | execv(cmd[0], (char * const *) cmd); |
496 | log_error_errno(errno, "Failed to execute %s tool: %m", cmd[0]); | |
3d7415f4 LP |
497 | _exit(EXIT_FAILURE); |
498 | } | |
499 | ||
500 | pipefd[1] = safe_close(pipefd[1]); | |
501 | t->log_fd = pipefd[0]; | |
502 | pipefd[0] = -1; | |
503 | ||
b6e676ce LP |
504 | t->stdin_fd = safe_close(t->stdin_fd); |
505 | ||
3d7415f4 LP |
506 | r = sd_event_add_child(t->manager->event, &t->pid_event_source, t->pid, WEXITED, transfer_on_pid, t); |
507 | if (r < 0) | |
508 | return r; | |
509 | ||
510 | r = sd_event_add_io(t->manager->event, &t->log_event_source, t->log_fd, EPOLLIN, transfer_on_log, t); | |
511 | if (r < 0) | |
512 | return r; | |
513 | ||
514 | /* Make sure always process logging before SIGCHLD */ | |
515 | r = sd_event_source_set_priority(t->log_event_source, SD_EVENT_PRIORITY_NORMAL -5); | |
516 | if (r < 0) | |
517 | return r; | |
518 | ||
519 | r = sd_bus_emit_signal( | |
520 | t->manager->bus, | |
521 | "/org/freedesktop/import1", | |
522 | "org.freedesktop.import1.Manager", | |
523 | "TransferNew", | |
524 | "uo", | |
525 | t->id, | |
526 | t->object_path); | |
527 | if (r < 0) | |
528 | return r; | |
529 | ||
530 | return 0; | |
531 | } | |
532 | ||
533 | static Manager *manager_unref(Manager *m) { | |
534 | Transfer *t; | |
535 | ||
536 | if (!m) | |
537 | return NULL; | |
538 | ||
7079cfef LP |
539 | sd_event_source_unref(m->notify_event_source); |
540 | safe_close(m->notify_fd); | |
541 | ||
3d7415f4 LP |
542 | while ((t = hashmap_first(m->transfers))) |
543 | transfer_unref(t); | |
544 | ||
545 | hashmap_free(m->transfers); | |
546 | ||
547 | bus_verify_polkit_async_registry_free(m->polkit_registry); | |
548 | ||
03976f7b | 549 | m->bus = sd_bus_flush_close_unref(m->bus); |
3d7415f4 LP |
550 | sd_event_unref(m->event); |
551 | ||
6b430fdb | 552 | return mfree(m); |
3d7415f4 LP |
553 | } |
554 | ||
555 | DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_unref); | |
556 | ||
7079cfef LP |
557 | static int manager_on_notify(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
558 | ||
559 | char buf[NOTIFY_BUFFER_MAX+1]; | |
560 | struct iovec iovec = { | |
561 | .iov_base = buf, | |
562 | .iov_len = sizeof(buf)-1, | |
563 | }; | |
564 | union { | |
565 | struct cmsghdr cmsghdr; | |
566 | uint8_t buf[CMSG_SPACE(sizeof(struct ucred)) + | |
567 | CMSG_SPACE(sizeof(int) * NOTIFY_FD_MAX)]; | |
568 | } control = {}; | |
569 | struct msghdr msghdr = { | |
570 | .msg_iov = &iovec, | |
571 | .msg_iovlen = 1, | |
572 | .msg_control = &control, | |
573 | .msg_controllen = sizeof(control), | |
574 | }; | |
575 | struct ucred *ucred = NULL; | |
576 | Manager *m = userdata; | |
577 | struct cmsghdr *cmsg; | |
578 | unsigned percent; | |
579 | char *p, *e; | |
580 | Transfer *t; | |
581 | Iterator i; | |
582 | ssize_t n; | |
583 | int r; | |
584 | ||
585 | n = recvmsg(fd, &msghdr, MSG_DONTWAIT|MSG_CMSG_CLOEXEC); | |
586 | if (n < 0) { | |
3742095b | 587 | if (IN_SET(errno, EAGAIN, EINTR)) |
7079cfef LP |
588 | return 0; |
589 | ||
590 | return -errno; | |
591 | } | |
592 | ||
1c8da044 LP |
593 | cmsg_close_all(&msghdr); |
594 | ||
3ee897d6 LP |
595 | CMSG_FOREACH(cmsg, &msghdr) |
596 | if (cmsg->cmsg_level == SOL_SOCKET && | |
597 | cmsg->cmsg_type == SCM_CREDENTIALS && | |
598 | cmsg->cmsg_len == CMSG_LEN(sizeof(struct ucred))) | |
7079cfef | 599 | ucred = (struct ucred*) CMSG_DATA(cmsg); |
7079cfef LP |
600 | |
601 | if (msghdr.msg_flags & MSG_TRUNC) { | |
602 | log_warning("Got overly long notification datagram, ignoring."); | |
603 | return 0; | |
604 | } | |
605 | ||
606 | if (!ucred || ucred->pid <= 0) { | |
607 | log_warning("Got notification datagram lacking credential information, ignoring."); | |
608 | return 0; | |
609 | } | |
610 | ||
611 | HASHMAP_FOREACH(t, m->transfers, i) | |
612 | if (ucred->pid == t->pid) | |
613 | break; | |
614 | ||
615 | if (!t) { | |
616 | log_warning("Got notification datagram from unexpected peer, ignoring."); | |
617 | return 0; | |
618 | } | |
619 | ||
620 | buf[n] = 0; | |
621 | ||
622 | p = startswith(buf, "X_IMPORT_PROGRESS="); | |
623 | if (!p) { | |
624 | p = strstr(buf, "\nX_IMPORT_PROGRESS="); | |
625 | if (!p) | |
626 | return 0; | |
627 | ||
628 | p += 19; | |
629 | } | |
630 | ||
631 | e = strchrnul(p, '\n'); | |
632 | *e = 0; | |
633 | ||
634 | r = safe_atou(p, &percent); | |
635 | if (r < 0 || percent > 100) { | |
636 | log_warning("Got invalid percent value, ignoring."); | |
637 | return 0; | |
638 | } | |
639 | ||
640 | t->progress_percent = percent; | |
641 | ||
642 | log_debug("Got percentage from client: %u%%", percent); | |
643 | return 0; | |
644 | } | |
645 | ||
3d7415f4 LP |
646 | static int manager_new(Manager **ret) { |
647 | _cleanup_(manager_unrefp) Manager *m = NULL; | |
7079cfef LP |
648 | static const union sockaddr_union sa = { |
649 | .un.sun_family = AF_UNIX, | |
650 | .un.sun_path = "/run/systemd/import/notify", | |
651 | }; | |
652 | static const int one = 1; | |
3d7415f4 LP |
653 | int r; |
654 | ||
655 | assert(ret); | |
656 | ||
657 | m = new0(Manager, 1); | |
658 | if (!m) | |
659 | return -ENOMEM; | |
660 | ||
661 | r = sd_event_default(&m->event); | |
662 | if (r < 0) | |
663 | return r; | |
664 | ||
665 | sd_event_set_watchdog(m->event, true); | |
666 | ||
667 | r = sd_bus_default_system(&m->bus); | |
668 | if (r < 0) | |
669 | return r; | |
670 | ||
7079cfef LP |
671 | m->notify_fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0); |
672 | if (m->notify_fd < 0) | |
673 | return -errno; | |
674 | ||
675 | (void) mkdir_parents_label(sa.un.sun_path, 0755); | |
676 | (void) unlink(sa.un.sun_path); | |
677 | ||
fc2fffe7 | 678 | if (bind(m->notify_fd, &sa.sa, SOCKADDR_UN_LEN(sa.un)) < 0) |
7079cfef LP |
679 | return -errno; |
680 | ||
681 | if (setsockopt(m->notify_fd, SOL_SOCKET, SO_PASSCRED, &one, sizeof(one)) < 0) | |
682 | return -errno; | |
683 | ||
684 | r = sd_event_add_io(m->event, &m->notify_event_source, m->notify_fd, EPOLLIN, manager_on_notify, m); | |
685 | if (r < 0) | |
686 | return r; | |
687 | ||
3d7415f4 LP |
688 | *ret = m; |
689 | m = NULL; | |
690 | ||
691 | return 0; | |
692 | } | |
693 | ||
b43d75c3 | 694 | static Transfer *manager_find(Manager *m, TransferType type, const char *remote) { |
3d7415f4 LP |
695 | Transfer *t; |
696 | Iterator i; | |
697 | ||
698 | assert(m); | |
699 | assert(type >= 0); | |
700 | assert(type < _TRANSFER_TYPE_MAX); | |
701 | ||
702 | HASHMAP_FOREACH(t, m->transfers, i) { | |
703 | ||
704 | if (t->type == type && | |
b43d75c3 | 705 | streq_ptr(t->remote, remote)) |
3d7415f4 LP |
706 | return t; |
707 | } | |
708 | ||
709 | return NULL; | |
710 | } | |
711 | ||
19070062 | 712 | static int method_import_tar_or_raw(sd_bus_message *msg, void *userdata, sd_bus_error *error) { |
b6e676ce LP |
713 | _cleanup_(transfer_unrefp) Transfer *t = NULL; |
714 | int fd, force, read_only, r; | |
715 | const char *local, *object; | |
716 | Manager *m = userdata; | |
717 | TransferType type; | |
718 | uint32_t id; | |
719 | ||
19070062 LP |
720 | assert(msg); |
721 | assert(m); | |
722 | ||
b6e676ce LP |
723 | r = bus_verify_polkit_async( |
724 | msg, | |
725 | CAP_SYS_ADMIN, | |
726 | "org.freedesktop.import1.import", | |
403ed0e5 | 727 | NULL, |
b6e676ce LP |
728 | false, |
729 | UID_INVALID, | |
730 | &m->polkit_registry, | |
731 | error); | |
732 | if (r < 0) | |
733 | return r; | |
734 | if (r == 0) | |
735 | return 1; /* Will call us back */ | |
736 | ||
737 | r = sd_bus_message_read(msg, "hsbb", &fd, &local, &force, &read_only); | |
738 | if (r < 0) | |
739 | return r; | |
740 | ||
741 | if (!machine_name_is_valid(local)) | |
742 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Local name %s is invalid", local); | |
743 | ||
744 | r = setup_machine_directory((uint64_t) -1, error); | |
745 | if (r < 0) | |
746 | return r; | |
747 | ||
748 | type = streq_ptr(sd_bus_message_get_member(msg), "ImportTar") ? TRANSFER_IMPORT_TAR : TRANSFER_IMPORT_RAW; | |
749 | ||
750 | r = transfer_new(m, &t); | |
751 | if (r < 0) | |
752 | return r; | |
753 | ||
754 | t->type = type; | |
755 | t->force_local = force; | |
756 | t->read_only = read_only; | |
757 | ||
758 | t->local = strdup(local); | |
759 | if (!t->local) | |
760 | return -ENOMEM; | |
761 | ||
762 | t->stdin_fd = fcntl(fd, F_DUPFD_CLOEXEC, 3); | |
763 | if (t->stdin_fd < 0) | |
764 | return -errno; | |
765 | ||
766 | r = transfer_start(t); | |
767 | if (r < 0) | |
768 | return r; | |
769 | ||
770 | object = t->object_path; | |
771 | id = t->id; | |
772 | t = NULL; | |
773 | ||
774 | return sd_bus_reply_method_return(msg, "uo", id, object); | |
775 | } | |
776 | ||
19070062 | 777 | static int method_export_tar_or_raw(sd_bus_message *msg, void *userdata, sd_bus_error *error) { |
587fec42 LP |
778 | _cleanup_(transfer_unrefp) Transfer *t = NULL; |
779 | int fd, r; | |
780 | const char *local, *object, *format; | |
781 | Manager *m = userdata; | |
782 | TransferType type; | |
783 | uint32_t id; | |
784 | ||
19070062 LP |
785 | assert(msg); |
786 | assert(m); | |
787 | ||
587fec42 LP |
788 | r = bus_verify_polkit_async( |
789 | msg, | |
790 | CAP_SYS_ADMIN, | |
791 | "org.freedesktop.import1.export", | |
403ed0e5 | 792 | NULL, |
587fec42 LP |
793 | false, |
794 | UID_INVALID, | |
795 | &m->polkit_registry, | |
796 | error); | |
797 | if (r < 0) | |
798 | return r; | |
799 | if (r == 0) | |
800 | return 1; /* Will call us back */ | |
801 | ||
802 | r = sd_bus_message_read(msg, "shs", &local, &fd, &format); | |
803 | if (r < 0) | |
804 | return r; | |
805 | ||
806 | if (!machine_name_is_valid(local)) | |
807 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Local name %s is invalid", local); | |
808 | ||
809 | type = streq_ptr(sd_bus_message_get_member(msg), "ExportTar") ? TRANSFER_EXPORT_TAR : TRANSFER_EXPORT_RAW; | |
810 | ||
811 | r = transfer_new(m, &t); | |
812 | if (r < 0) | |
813 | return r; | |
814 | ||
815 | t->type = type; | |
816 | ||
817 | if (!isempty(format)) { | |
818 | t->format = strdup(format); | |
819 | if (!t->format) | |
820 | return -ENOMEM; | |
821 | } | |
822 | ||
823 | t->local = strdup(local); | |
824 | if (!t->local) | |
825 | return -ENOMEM; | |
826 | ||
827 | t->stdout_fd = fcntl(fd, F_DUPFD_CLOEXEC, 3); | |
828 | if (t->stdout_fd < 0) | |
829 | return -errno; | |
830 | ||
831 | r = transfer_start(t); | |
832 | if (r < 0) | |
833 | return r; | |
834 | ||
835 | object = t->object_path; | |
836 | id = t->id; | |
837 | t = NULL; | |
838 | ||
839 | return sd_bus_reply_method_return(msg, "uo", id, object); | |
840 | } | |
841 | ||
19070062 | 842 | static int method_pull_tar_or_raw(sd_bus_message *msg, void *userdata, sd_bus_error *error) { |
3d7415f4 LP |
843 | _cleanup_(transfer_unrefp) Transfer *t = NULL; |
844 | const char *remote, *local, *verify, *object; | |
845 | Manager *m = userdata; | |
846 | ImportVerify v; | |
847 | TransferType type; | |
848 | int force, r; | |
849 | uint32_t id; | |
850 | ||
3d7415f4 LP |
851 | assert(msg); |
852 | assert(m); | |
853 | ||
854 | r = bus_verify_polkit_async( | |
855 | msg, | |
856 | CAP_SYS_ADMIN, | |
857 | "org.freedesktop.import1.pull", | |
403ed0e5 | 858 | NULL, |
3d7415f4 | 859 | false, |
c529695e | 860 | UID_INVALID, |
3d7415f4 LP |
861 | &m->polkit_registry, |
862 | error); | |
863 | if (r < 0) | |
864 | return r; | |
865 | if (r == 0) | |
866 | return 1; /* Will call us back */ | |
867 | ||
868 | r = sd_bus_message_read(msg, "sssb", &remote, &local, &verify, &force); | |
869 | if (r < 0) | |
870 | return r; | |
871 | ||
872 | if (!http_url_is_valid(remote)) | |
873 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "URL %s is invalid", remote); | |
874 | ||
875 | if (isempty(local)) | |
876 | local = NULL; | |
877 | else if (!machine_name_is_valid(local)) | |
878 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Local name %s is invalid", local); | |
879 | ||
880 | if (isempty(verify)) | |
881 | v = IMPORT_VERIFY_SIGNATURE; | |
882 | else | |
883 | v = import_verify_from_string(verify); | |
884 | if (v < 0) | |
885 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown verification mode %s", verify); | |
886 | ||
4cee5eed | 887 | r = setup_machine_directory((uint64_t) -1, error); |
ce06fdfb LP |
888 | if (r < 0) |
889 | return r; | |
890 | ||
b6e676ce | 891 | type = streq_ptr(sd_bus_message_get_member(msg), "PullTar") ? TRANSFER_PULL_TAR : TRANSFER_PULL_RAW; |
3d7415f4 | 892 | |
b43d75c3 | 893 | if (manager_find(m, type, remote)) |
3d7415f4 LP |
894 | return sd_bus_error_setf(error, BUS_ERROR_TRANSFER_IN_PROGRESS, "Transfer for %s already in progress.", remote); |
895 | ||
896 | r = transfer_new(m, &t); | |
897 | if (r < 0) | |
898 | return r; | |
899 | ||
900 | t->type = type; | |
901 | t->verify = v; | |
902 | t->force_local = force; | |
903 | ||
904 | t->remote = strdup(remote); | |
905 | if (!t->remote) | |
906 | return -ENOMEM; | |
907 | ||
b6e676ce LP |
908 | if (local) { |
909 | t->local = strdup(local); | |
910 | if (!t->local) | |
911 | return -ENOMEM; | |
912 | } | |
3d7415f4 LP |
913 | |
914 | r = transfer_start(t); | |
915 | if (r < 0) | |
916 | return r; | |
917 | ||
918 | object = t->object_path; | |
919 | id = t->id; | |
920 | t = NULL; | |
921 | ||
922 | return sd_bus_reply_method_return(msg, "uo", id, object); | |
923 | } | |
924 | ||
19070062 | 925 | static int method_list_transfers(sd_bus_message *msg, void *userdata, sd_bus_error *error) { |
4afd3348 | 926 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
3d7415f4 LP |
927 | Manager *m = userdata; |
928 | Transfer *t; | |
929 | Iterator i; | |
930 | int r; | |
931 | ||
3d7415f4 LP |
932 | assert(msg); |
933 | assert(m); | |
934 | ||
935 | r = sd_bus_message_new_method_return(msg, &reply); | |
936 | if (r < 0) | |
937 | return r; | |
938 | ||
7079cfef | 939 | r = sd_bus_message_open_container(reply, 'a', "(usssdo)"); |
3d7415f4 LP |
940 | if (r < 0) |
941 | return r; | |
942 | ||
943 | HASHMAP_FOREACH(t, m->transfers, i) { | |
944 | ||
945 | r = sd_bus_message_append( | |
946 | reply, | |
7079cfef | 947 | "(usssdo)", |
3d7415f4 LP |
948 | t->id, |
949 | transfer_type_to_string(t->type), | |
950 | t->remote, | |
951 | t->local, | |
7079cfef | 952 | (double) t->progress_percent / 100.0, |
3d7415f4 LP |
953 | t->object_path); |
954 | if (r < 0) | |
955 | return r; | |
956 | } | |
957 | ||
958 | r = sd_bus_message_close_container(reply); | |
959 | if (r < 0) | |
960 | return r; | |
961 | ||
9030ca46 | 962 | return sd_bus_send(NULL, reply, NULL); |
3d7415f4 LP |
963 | } |
964 | ||
19070062 | 965 | static int method_cancel(sd_bus_message *msg, void *userdata, sd_bus_error *error) { |
3d7415f4 LP |
966 | Transfer *t = userdata; |
967 | int r; | |
968 | ||
3d7415f4 LP |
969 | assert(msg); |
970 | assert(t); | |
971 | ||
972 | r = bus_verify_polkit_async( | |
973 | msg, | |
974 | CAP_SYS_ADMIN, | |
975 | "org.freedesktop.import1.pull", | |
403ed0e5 | 976 | NULL, |
3d7415f4 | 977 | false, |
c529695e | 978 | UID_INVALID, |
3d7415f4 LP |
979 | &t->manager->polkit_registry, |
980 | error); | |
981 | if (r < 0) | |
982 | return r; | |
983 | if (r == 0) | |
984 | return 1; /* Will call us back */ | |
985 | ||
986 | r = transfer_cancel(t); | |
987 | if (r < 0) | |
988 | return r; | |
989 | ||
990 | return sd_bus_reply_method_return(msg, NULL); | |
991 | } | |
992 | ||
19070062 | 993 | static int method_cancel_transfer(sd_bus_message *msg, void *userdata, sd_bus_error *error) { |
3d7415f4 LP |
994 | Manager *m = userdata; |
995 | Transfer *t; | |
996 | uint32_t id; | |
997 | int r; | |
998 | ||
3d7415f4 LP |
999 | assert(msg); |
1000 | assert(m); | |
1001 | ||
1002 | r = bus_verify_polkit_async( | |
1003 | msg, | |
1004 | CAP_SYS_ADMIN, | |
1005 | "org.freedesktop.import1.pull", | |
403ed0e5 | 1006 | NULL, |
3d7415f4 | 1007 | false, |
c529695e | 1008 | UID_INVALID, |
3d7415f4 LP |
1009 | &m->polkit_registry, |
1010 | error); | |
1011 | if (r < 0) | |
1012 | return r; | |
1013 | if (r == 0) | |
1014 | return 1; /* Will call us back */ | |
1015 | ||
1016 | r = sd_bus_message_read(msg, "u", &id); | |
1017 | if (r < 0) | |
1018 | return r; | |
1019 | if (id <= 0) | |
1020 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid transfer id"); | |
1021 | ||
1022 | t = hashmap_get(m->transfers, UINT32_TO_PTR(id)); | |
1023 | if (!t) | |
09d46cfd | 1024 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_TRANSFER, "No transfer by id %" PRIu32, id); |
3d7415f4 LP |
1025 | |
1026 | r = transfer_cancel(t); | |
1027 | if (r < 0) | |
1028 | return r; | |
1029 | ||
1030 | return sd_bus_reply_method_return(msg, NULL); | |
1031 | } | |
1032 | ||
7079cfef LP |
1033 | static int property_get_progress( |
1034 | sd_bus *bus, | |
1035 | const char *path, | |
1036 | const char *interface, | |
1037 | const char *property, | |
1038 | sd_bus_message *reply, | |
1039 | void *userdata, | |
1040 | sd_bus_error *error) { | |
1041 | ||
1042 | Transfer *t = userdata; | |
1043 | ||
1044 | assert(bus); | |
1045 | assert(reply); | |
1046 | assert(t); | |
1047 | ||
1048 | return sd_bus_message_append(reply, "d", (double) t->progress_percent / 100.0); | |
1049 | } | |
1050 | ||
3d7415f4 LP |
1051 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_type, transfer_type, TransferType); |
1052 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_verify, import_verify, ImportVerify); | |
1053 | ||
1054 | static const sd_bus_vtable transfer_vtable[] = { | |
1055 | SD_BUS_VTABLE_START(0), | |
1056 | SD_BUS_PROPERTY("Id", "u", NULL, offsetof(Transfer, id), SD_BUS_VTABLE_PROPERTY_CONST), | |
1057 | SD_BUS_PROPERTY("Local", "s", NULL, offsetof(Transfer, local), SD_BUS_VTABLE_PROPERTY_CONST), | |
1058 | SD_BUS_PROPERTY("Remote", "s", NULL, offsetof(Transfer, remote), SD_BUS_VTABLE_PROPERTY_CONST), | |
1059 | SD_BUS_PROPERTY("Type", "s", property_get_type, offsetof(Transfer, type), SD_BUS_VTABLE_PROPERTY_CONST), | |
1060 | SD_BUS_PROPERTY("Verify", "s", property_get_verify, offsetof(Transfer, verify), SD_BUS_VTABLE_PROPERTY_CONST), | |
7079cfef | 1061 | SD_BUS_PROPERTY("Progress", "d", property_get_progress, 0, 0), |
3d7415f4 LP |
1062 | SD_BUS_METHOD("Cancel", NULL, NULL, method_cancel, SD_BUS_VTABLE_UNPRIVILEGED), |
1063 | SD_BUS_SIGNAL("LogMessage", "us", 0), | |
1064 | SD_BUS_VTABLE_END, | |
1065 | }; | |
1066 | ||
1067 | static const sd_bus_vtable manager_vtable[] = { | |
1068 | SD_BUS_VTABLE_START(0), | |
b6e676ce LP |
1069 | SD_BUS_METHOD("ImportTar", "hsbb", "uo", method_import_tar_or_raw, SD_BUS_VTABLE_UNPRIVILEGED), |
1070 | SD_BUS_METHOD("ImportRaw", "hsbb", "uo", method_import_tar_or_raw, SD_BUS_VTABLE_UNPRIVILEGED), | |
587fec42 LP |
1071 | SD_BUS_METHOD("ExportTar", "shs", "uo", method_export_tar_or_raw, SD_BUS_VTABLE_UNPRIVILEGED), |
1072 | SD_BUS_METHOD("ExportRaw", "shs", "uo", method_export_tar_or_raw, SD_BUS_VTABLE_UNPRIVILEGED), | |
3d7415f4 LP |
1073 | SD_BUS_METHOD("PullTar", "sssb", "uo", method_pull_tar_or_raw, SD_BUS_VTABLE_UNPRIVILEGED), |
1074 | SD_BUS_METHOD("PullRaw", "sssb", "uo", method_pull_tar_or_raw, SD_BUS_VTABLE_UNPRIVILEGED), | |
7079cfef | 1075 | SD_BUS_METHOD("ListTransfers", NULL, "a(usssdo)", method_list_transfers, SD_BUS_VTABLE_UNPRIVILEGED), |
3d7415f4 LP |
1076 | SD_BUS_METHOD("CancelTransfer", "u", NULL, method_cancel_transfer, SD_BUS_VTABLE_UNPRIVILEGED), |
1077 | SD_BUS_SIGNAL("TransferNew", "uo", 0), | |
1078 | SD_BUS_SIGNAL("TransferRemoved", "uos", 0), | |
1079 | SD_BUS_VTABLE_END, | |
1080 | }; | |
1081 | ||
1082 | static int transfer_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { | |
1083 | Manager *m = userdata; | |
1084 | Transfer *t; | |
1085 | const char *p; | |
1086 | uint32_t id; | |
1087 | int r; | |
1088 | ||
1089 | assert(bus); | |
1090 | assert(path); | |
1091 | assert(interface); | |
1092 | assert(found); | |
1093 | assert(m); | |
1094 | ||
1095 | p = startswith(path, "/org/freedesktop/import1/transfer/_"); | |
1096 | if (!p) | |
1097 | return 0; | |
1098 | ||
1099 | r = safe_atou32(p, &id); | |
1100 | if (r < 0 || id == 0) | |
1101 | return 0; | |
1102 | ||
1103 | t = hashmap_get(m->transfers, UINT32_TO_PTR(id)); | |
1104 | if (!t) | |
1105 | return 0; | |
1106 | ||
1107 | *found = t; | |
1108 | return 1; | |
1109 | } | |
1110 | ||
1111 | static int transfer_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) { | |
1112 | _cleanup_strv_free_ char **l = NULL; | |
1113 | Manager *m = userdata; | |
1114 | Transfer *t; | |
1115 | unsigned k = 0; | |
1116 | Iterator i; | |
1117 | ||
1118 | l = new0(char*, hashmap_size(m->transfers) + 1); | |
1119 | if (!l) | |
1120 | return -ENOMEM; | |
1121 | ||
1122 | HASHMAP_FOREACH(t, m->transfers, i) { | |
1123 | ||
1124 | l[k] = strdup(t->object_path); | |
1125 | if (!l[k]) | |
1126 | return -ENOMEM; | |
1127 | ||
1128 | k++; | |
1129 | } | |
1130 | ||
1131 | *nodes = l; | |
1132 | l = NULL; | |
1133 | ||
1134 | return 1; | |
1135 | } | |
1136 | ||
1137 | static int manager_add_bus_objects(Manager *m) { | |
1138 | int r; | |
1139 | ||
1140 | assert(m); | |
1141 | ||
1142 | r = sd_bus_add_object_vtable(m->bus, NULL, "/org/freedesktop/import1", "org.freedesktop.import1.Manager", manager_vtable, m); | |
1143 | if (r < 0) | |
1144 | return log_error_errno(r, "Failed to register object: %m"); | |
1145 | ||
1146 | r = sd_bus_add_fallback_vtable(m->bus, NULL, "/org/freedesktop/import1/transfer", "org.freedesktop.import1.Transfer", transfer_vtable, transfer_object_find, m); | |
1147 | if (r < 0) | |
1148 | return log_error_errno(r, "Failed to register object: %m"); | |
1149 | ||
1150 | r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/import1/transfer", transfer_node_enumerator, m); | |
1151 | if (r < 0) | |
1152 | return log_error_errno(r, "Failed to add transfer enumerator: %m"); | |
1153 | ||
1154 | r = sd_bus_request_name(m->bus, "org.freedesktop.import1", 0); | |
1155 | if (r < 0) | |
1156 | return log_error_errno(r, "Failed to register name: %m"); | |
1157 | ||
1158 | r = sd_bus_attach_event(m->bus, m->event, 0); | |
1159 | if (r < 0) | |
1160 | return log_error_errno(r, "Failed to attach bus to event loop: %m"); | |
1161 | ||
1162 | return 0; | |
1163 | } | |
1164 | ||
1165 | static bool manager_check_idle(void *userdata) { | |
1166 | Manager *m = userdata; | |
1167 | ||
1168 | return hashmap_isempty(m->transfers); | |
1169 | } | |
1170 | ||
1171 | static int manager_run(Manager *m) { | |
1172 | assert(m); | |
1173 | ||
1174 | return bus_event_loop_with_idle( | |
1175 | m->event, | |
1176 | m->bus, | |
1177 | "org.freedesktop.import1", | |
1178 | DEFAULT_EXIT_USEC, | |
1179 | manager_check_idle, | |
1180 | m); | |
1181 | } | |
1182 | ||
1183 | int main(int argc, char *argv[]) { | |
1184 | _cleanup_(manager_unrefp) Manager *m = NULL; | |
1185 | int r; | |
1186 | ||
1187 | log_set_target(LOG_TARGET_AUTO); | |
1188 | log_parse_environment(); | |
1189 | log_open(); | |
1190 | ||
1191 | umask(0022); | |
1192 | ||
1193 | if (argc != 1) { | |
1194 | log_error("This program takes no arguments."); | |
1195 | r = -EINVAL; | |
1196 | goto finish; | |
1197 | } | |
1198 | ||
72c0a2c2 | 1199 | assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGCHLD, -1) >= 0); |
3d7415f4 LP |
1200 | |
1201 | r = manager_new(&m); | |
1202 | if (r < 0) { | |
1203 | log_error_errno(r, "Failed to allocate manager object: %m"); | |
1204 | goto finish; | |
1205 | } | |
1206 | ||
1207 | r = manager_add_bus_objects(m); | |
1208 | if (r < 0) | |
1209 | goto finish; | |
1210 | ||
1211 | r = manager_run(m); | |
1212 | if (r < 0) { | |
1213 | log_error_errno(r, "Failed to run event loop: %m"); | |
1214 | goto finish; | |
1215 | } | |
1216 | ||
1217 | finish: | |
1218 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; | |
1219 | } |