]>
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> | |
d7e454ba | 21 | #include <sys/wait.h> |
3d7415f4 LP |
22 | |
23 | #include "sd-bus.h" | |
3ffd4af2 | 24 | |
b5efdb8a | 25 | #include "alloc-util.h" |
3d7415f4 | 26 | #include "bus-common-errors.h" |
3ffd4af2 | 27 | #include "bus-util.h" |
a97dcc12 | 28 | #include "def.h" |
3ffd4af2 LP |
29 | #include "fd-util.h" |
30 | #include "hostname-util.h" | |
31 | #include "import-util.h" | |
432cea00 | 32 | #include "machine-pool.h" |
3ffd4af2 LP |
33 | #include "missing.h" |
34 | #include "mkdir.h" | |
6bedfcbb | 35 | #include "parse-util.h" |
113b3fc1 | 36 | #include "path-util.h" |
0b452006 | 37 | #include "process-util.h" |
24882e06 | 38 | #include "signal-util.h" |
3ffd4af2 | 39 | #include "socket-util.h" |
8b43440b | 40 | #include "string-table.h" |
3ffd4af2 | 41 | #include "strv.h" |
7ccbd1ae | 42 | #include "syslog-util.h" |
ee104e11 | 43 | #include "user-util.h" |
3ffd4af2 | 44 | #include "util.h" |
49cf4170 | 45 | #include "web-util.h" |
3d7415f4 LP |
46 | |
47 | typedef struct Transfer Transfer; | |
48 | typedef struct Manager Manager; | |
49 | ||
50 | typedef enum TransferType { | |
b6e676ce LP |
51 | TRANSFER_IMPORT_TAR, |
52 | TRANSFER_IMPORT_RAW, | |
587fec42 LP |
53 | TRANSFER_EXPORT_TAR, |
54 | TRANSFER_EXPORT_RAW, | |
b6e676ce LP |
55 | TRANSFER_PULL_TAR, |
56 | TRANSFER_PULL_RAW, | |
3d7415f4 LP |
57 | _TRANSFER_TYPE_MAX, |
58 | _TRANSFER_TYPE_INVALID = -1, | |
59 | } TransferType; | |
60 | ||
61 | struct Transfer { | |
62 | Manager *manager; | |
63 | ||
64 | uint32_t id; | |
65 | char *object_path; | |
66 | ||
67 | TransferType type; | |
68 | ImportVerify verify; | |
69 | ||
70 | char *remote; | |
71 | char *local; | |
72 | bool force_local; | |
b6e676ce | 73 | bool read_only; |
3d7415f4 | 74 | |
587fec42 | 75 | char *format; |
3d7415f4 LP |
76 | |
77 | pid_t pid; | |
78 | ||
79 | int log_fd; | |
80 | ||
81 | char log_message[LINE_MAX]; | |
82 | size_t log_message_size; | |
83 | ||
84 | sd_event_source *pid_event_source; | |
85 | sd_event_source *log_event_source; | |
86 | ||
87 | unsigned n_canceled; | |
7079cfef | 88 | unsigned progress_percent; |
b6e676ce LP |
89 | |
90 | int stdin_fd; | |
587fec42 | 91 | int stdout_fd; |
3d7415f4 LP |
92 | }; |
93 | ||
94 | struct Manager { | |
95 | sd_event *event; | |
96 | sd_bus *bus; | |
97 | ||
98 | uint32_t current_transfer_id; | |
99 | Hashmap *transfers; | |
100 | ||
101 | Hashmap *polkit_registry; | |
7079cfef LP |
102 | |
103 | int notify_fd; | |
104 | ||
105 | sd_event_source *notify_event_source; | |
3d7415f4 LP |
106 | }; |
107 | ||
108 | #define TRANSFERS_MAX 64 | |
109 | ||
110 | static const char* const transfer_type_table[_TRANSFER_TYPE_MAX] = { | |
b6e676ce LP |
111 | [TRANSFER_IMPORT_TAR] = "import-tar", |
112 | [TRANSFER_IMPORT_RAW] = "import-raw", | |
587fec42 LP |
113 | [TRANSFER_EXPORT_TAR] = "export-tar", |
114 | [TRANSFER_EXPORT_RAW] = "export-raw", | |
b6e676ce LP |
115 | [TRANSFER_PULL_TAR] = "pull-tar", |
116 | [TRANSFER_PULL_RAW] = "pull-raw", | |
3d7415f4 LP |
117 | }; |
118 | ||
b9a5f858 | 119 | DEFINE_PRIVATE_STRING_TABLE_LOOKUP_TO_STRING(transfer_type, TransferType); |
3d7415f4 LP |
120 | |
121 | static Transfer *transfer_unref(Transfer *t) { | |
122 | if (!t) | |
123 | return NULL; | |
124 | ||
125 | if (t->manager) | |
126 | hashmap_remove(t->manager->transfers, UINT32_TO_PTR(t->id)); | |
127 | ||
128 | sd_event_source_unref(t->pid_event_source); | |
129 | sd_event_source_unref(t->log_event_source); | |
130 | ||
131 | free(t->remote); | |
132 | free(t->local); | |
587fec42 | 133 | free(t->format); |
3d7415f4 LP |
134 | free(t->object_path); |
135 | ||
136 | if (t->pid > 0) { | |
137 | (void) kill_and_sigcont(t->pid, SIGKILL); | |
138 | (void) wait_for_terminate(t->pid, NULL); | |
139 | } | |
140 | ||
141 | safe_close(t->log_fd); | |
b6e676ce | 142 | safe_close(t->stdin_fd); |
587fec42 | 143 | safe_close(t->stdout_fd); |
3d7415f4 | 144 | |
6b430fdb | 145 | return mfree(t); |
3d7415f4 LP |
146 | } |
147 | ||
148 | DEFINE_TRIVIAL_CLEANUP_FUNC(Transfer*, transfer_unref); | |
149 | ||
150 | static int transfer_new(Manager *m, Transfer **ret) { | |
151 | _cleanup_(transfer_unrefp) Transfer *t = NULL; | |
152 | uint32_t id; | |
153 | int r; | |
154 | ||
155 | assert(m); | |
156 | assert(ret); | |
157 | ||
158 | if (hashmap_size(m->transfers) >= TRANSFERS_MAX) | |
159 | return -E2BIG; | |
160 | ||
161 | r = hashmap_ensure_allocated(&m->transfers, &trivial_hash_ops); | |
162 | if (r < 0) | |
163 | return r; | |
164 | ||
165 | t = new0(Transfer, 1); | |
166 | if (!t) | |
167 | return -ENOMEM; | |
168 | ||
169 | t->type = _TRANSFER_TYPE_INVALID; | |
170 | t->log_fd = -1; | |
b6e676ce | 171 | t->stdin_fd = -1; |
3be78ab2 | 172 | t->stdout_fd = -1; |
b6e676ce | 173 | t->verify = _IMPORT_VERIFY_INVALID; |
3d7415f4 LP |
174 | |
175 | id = m->current_transfer_id + 1; | |
176 | ||
177 | if (asprintf(&t->object_path, "/org/freedesktop/import1/transfer/_%" PRIu32, id) < 0) | |
178 | return -ENOMEM; | |
179 | ||
180 | r = hashmap_put(m->transfers, UINT32_TO_PTR(id), t); | |
181 | if (r < 0) | |
182 | return r; | |
183 | ||
184 | m->current_transfer_id = id; | |
185 | ||
186 | t->manager = m; | |
187 | t->id = id; | |
188 | ||
189 | *ret = t; | |
190 | t = NULL; | |
191 | ||
192 | return 0; | |
193 | } | |
194 | ||
195 | static void transfer_send_log_line(Transfer *t, const char *line) { | |
196 | int r, priority = LOG_INFO; | |
197 | ||
198 | assert(t); | |
199 | assert(line); | |
200 | ||
201 | syslog_parse_priority(&line, &priority, true); | |
202 | ||
09d46cfd | 203 | log_full(priority, "(transfer%" PRIu32 ") %s", t->id, line); |
3d7415f4 LP |
204 | |
205 | r = sd_bus_emit_signal( | |
206 | t->manager->bus, | |
207 | t->object_path, | |
208 | "org.freedesktop.import1.Transfer", | |
209 | "LogMessage", | |
210 | "us", | |
211 | priority, | |
212 | line); | |
213 | if (r < 0) | |
214 | log_error_errno(r, "Cannot emit message: %m"); | |
215 | } | |
216 | ||
217 | static void transfer_send_logs(Transfer *t, bool flush) { | |
218 | assert(t); | |
219 | ||
220 | /* Try to send out all log messages, if we can. But if we | |
221 | * can't we remove the messages from the buffer, but don't | |
222 | * fail */ | |
223 | ||
224 | while (t->log_message_size > 0) { | |
225 | _cleanup_free_ char *n = NULL; | |
226 | char *e; | |
227 | ||
228 | if (t->log_message_size >= sizeof(t->log_message)) | |
229 | e = t->log_message + sizeof(t->log_message); | |
230 | else { | |
231 | char *a, *b; | |
232 | ||
233 | a = memchr(t->log_message, 0, t->log_message_size); | |
234 | b = memchr(t->log_message, '\n', t->log_message_size); | |
235 | ||
236 | if (a && b) | |
237 | e = a < b ? a : b; | |
238 | else if (a) | |
239 | e = a; | |
240 | else | |
241 | e = b; | |
242 | } | |
243 | ||
244 | if (!e) { | |
245 | if (!flush) | |
246 | return; | |
247 | ||
248 | e = t->log_message + t->log_message_size; | |
249 | } | |
250 | ||
251 | n = strndup(t->log_message, e - t->log_message); | |
252 | ||
253 | /* Skip over NUL and newlines */ | |
3dad3203 | 254 | while (e < t->log_message + t->log_message_size && (*e == 0 || *e == '\n')) |
3d7415f4 LP |
255 | e++; |
256 | ||
257 | memmove(t->log_message, e, t->log_message + sizeof(t->log_message) - e); | |
258 | t->log_message_size -= e - t->log_message; | |
259 | ||
260 | if (!n) { | |
261 | log_oom(); | |
262 | continue; | |
263 | } | |
264 | ||
265 | if (isempty(n)) | |
266 | continue; | |
267 | ||
268 | transfer_send_log_line(t, n); | |
269 | } | |
270 | } | |
271 | ||
272 | static int transfer_finalize(Transfer *t, bool success) { | |
273 | int r; | |
274 | ||
275 | assert(t); | |
276 | ||
277 | transfer_send_logs(t, true); | |
278 | ||
279 | r = sd_bus_emit_signal( | |
280 | t->manager->bus, | |
281 | "/org/freedesktop/import1", | |
282 | "org.freedesktop.import1.Manager", | |
283 | "TransferRemoved", | |
284 | "uos", | |
285 | t->id, | |
286 | t->object_path, | |
287 | success ? "done" : | |
288 | t->n_canceled > 0 ? "canceled" : "failed"); | |
289 | ||
290 | if (r < 0) | |
291 | log_error_errno(r, "Cannot emit message: %m"); | |
292 | ||
293 | transfer_unref(t); | |
294 | return 0; | |
295 | } | |
296 | ||
297 | static int transfer_cancel(Transfer *t) { | |
298 | int r; | |
299 | ||
300 | assert(t); | |
301 | ||
302 | r = kill_and_sigcont(t->pid, t->n_canceled < 3 ? SIGTERM : SIGKILL); | |
303 | if (r < 0) | |
304 | return r; | |
305 | ||
306 | t->n_canceled++; | |
307 | return 0; | |
308 | } | |
309 | ||
310 | static int transfer_on_pid(sd_event_source *s, const siginfo_t *si, void *userdata) { | |
311 | Transfer *t = userdata; | |
312 | bool success = false; | |
313 | ||
314 | assert(s); | |
315 | assert(t); | |
316 | ||
317 | if (si->si_code == CLD_EXITED) { | |
318 | if (si->si_status != 0) | |
319 | log_error("Import process failed with exit code %i.", si->si_status); | |
320 | else { | |
321 | log_debug("Import process succeeded."); | |
322 | success = true; | |
323 | } | |
324 | ||
3742095b | 325 | } else if (IN_SET(si->si_code, CLD_KILLED, CLD_DUMPED)) |
3d7415f4 LP |
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 | ||
ec2ce0c5 | 421 | if (!IN_SET(pipefd[1], STDOUT_FILENO, STDERR_FILENO)) |
3d7415f4 LP |
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 | |
df8067ef ZJS |
452 | if (setenv("SYSTEMD_LOG_TARGET", "console-prefixed", 1) < 0 || |
453 | setenv("NOTIFY_SOCKET", "/run/systemd/import/notify", 1) < 0) { | |
454 | log_error_errno(errno, "setenv() failed: %m"); | |
455 | _exit(EXIT_FAILURE); | |
456 | } | |
3d7415f4 | 457 | |
b6e676ce LP |
458 | if (IN_SET(t->type, TRANSFER_IMPORT_TAR, TRANSFER_IMPORT_RAW)) |
459 | cmd[k++] = SYSTEMD_IMPORT_PATH; | |
587fec42 LP |
460 | else if (IN_SET(t->type, TRANSFER_EXPORT_TAR, TRANSFER_EXPORT_RAW)) |
461 | cmd[k++] = SYSTEMD_EXPORT_PATH; | |
b6e676ce LP |
462 | else |
463 | cmd[k++] = SYSTEMD_PULL_PATH; | |
464 | ||
587fec42 | 465 | if (IN_SET(t->type, TRANSFER_IMPORT_TAR, TRANSFER_EXPORT_TAR, TRANSFER_PULL_TAR)) |
b6e676ce | 466 | cmd[k++] = "tar"; |
b6e676ce | 467 | else |
b43d75c3 | 468 | cmd[k++] = "raw"; |
b6e676ce LP |
469 | |
470 | if (t->verify != _IMPORT_VERIFY_INVALID) { | |
471 | cmd[k++] = "--verify"; | |
472 | cmd[k++] = import_verify_to_string(t->verify); | |
473 | } | |
474 | ||
3d7415f4 LP |
475 | if (t->force_local) |
476 | cmd[k++] = "--force"; | |
b6e676ce LP |
477 | if (t->read_only) |
478 | cmd[k++] = "--read-only"; | |
3d7415f4 | 479 | |
587fec42 LP |
480 | if (t->format) { |
481 | cmd[k++] = "--format"; | |
482 | cmd[k++] = t->format; | |
483 | } | |
484 | ||
485 | if (!IN_SET(t->type, TRANSFER_EXPORT_TAR, TRANSFER_EXPORT_RAW)) { | |
486 | if (t->remote) | |
487 | cmd[k++] = t->remote; | |
488 | else | |
489 | cmd[k++] = "-"; | |
490 | } | |
b6e676ce | 491 | |
3d7415f4 LP |
492 | if (t->local) |
493 | cmd[k++] = t->local; | |
494 | cmd[k] = NULL; | |
495 | ||
b6e676ce LP |
496 | execv(cmd[0], (char * const *) cmd); |
497 | log_error_errno(errno, "Failed to execute %s tool: %m", cmd[0]); | |
3d7415f4 LP |
498 | _exit(EXIT_FAILURE); |
499 | } | |
500 | ||
501 | pipefd[1] = safe_close(pipefd[1]); | |
502 | t->log_fd = pipefd[0]; | |
503 | pipefd[0] = -1; | |
504 | ||
b6e676ce LP |
505 | t->stdin_fd = safe_close(t->stdin_fd); |
506 | ||
3d7415f4 LP |
507 | r = sd_event_add_child(t->manager->event, &t->pid_event_source, t->pid, WEXITED, transfer_on_pid, t); |
508 | if (r < 0) | |
509 | return r; | |
510 | ||
511 | r = sd_event_add_io(t->manager->event, &t->log_event_source, t->log_fd, EPOLLIN, transfer_on_log, t); | |
512 | if (r < 0) | |
513 | return r; | |
514 | ||
515 | /* Make sure always process logging before SIGCHLD */ | |
516 | r = sd_event_source_set_priority(t->log_event_source, SD_EVENT_PRIORITY_NORMAL -5); | |
517 | if (r < 0) | |
518 | return r; | |
519 | ||
520 | r = sd_bus_emit_signal( | |
521 | t->manager->bus, | |
522 | "/org/freedesktop/import1", | |
523 | "org.freedesktop.import1.Manager", | |
524 | "TransferNew", | |
525 | "uo", | |
526 | t->id, | |
527 | t->object_path); | |
528 | if (r < 0) | |
529 | return r; | |
530 | ||
531 | return 0; | |
532 | } | |
533 | ||
534 | static Manager *manager_unref(Manager *m) { | |
535 | Transfer *t; | |
536 | ||
537 | if (!m) | |
538 | return NULL; | |
539 | ||
7079cfef LP |
540 | sd_event_source_unref(m->notify_event_source); |
541 | safe_close(m->notify_fd); | |
542 | ||
3d7415f4 LP |
543 | while ((t = hashmap_first(m->transfers))) |
544 | transfer_unref(t); | |
545 | ||
546 | hashmap_free(m->transfers); | |
547 | ||
548 | bus_verify_polkit_async_registry_free(m->polkit_registry); | |
549 | ||
03976f7b | 550 | m->bus = sd_bus_flush_close_unref(m->bus); |
3d7415f4 LP |
551 | sd_event_unref(m->event); |
552 | ||
6b430fdb | 553 | return mfree(m); |
3d7415f4 LP |
554 | } |
555 | ||
556 | DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_unref); | |
557 | ||
7079cfef LP |
558 | static int manager_on_notify(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
559 | ||
560 | char buf[NOTIFY_BUFFER_MAX+1]; | |
561 | struct iovec iovec = { | |
562 | .iov_base = buf, | |
563 | .iov_len = sizeof(buf)-1, | |
564 | }; | |
565 | union { | |
566 | struct cmsghdr cmsghdr; | |
567 | uint8_t buf[CMSG_SPACE(sizeof(struct ucred)) + | |
568 | CMSG_SPACE(sizeof(int) * NOTIFY_FD_MAX)]; | |
569 | } control = {}; | |
570 | struct msghdr msghdr = { | |
571 | .msg_iov = &iovec, | |
572 | .msg_iovlen = 1, | |
573 | .msg_control = &control, | |
574 | .msg_controllen = sizeof(control), | |
575 | }; | |
576 | struct ucred *ucred = NULL; | |
577 | Manager *m = userdata; | |
578 | struct cmsghdr *cmsg; | |
579 | unsigned percent; | |
580 | char *p, *e; | |
581 | Transfer *t; | |
582 | Iterator i; | |
583 | ssize_t n; | |
584 | int r; | |
585 | ||
586 | n = recvmsg(fd, &msghdr, MSG_DONTWAIT|MSG_CMSG_CLOEXEC); | |
587 | if (n < 0) { | |
3742095b | 588 | if (IN_SET(errno, EAGAIN, EINTR)) |
7079cfef LP |
589 | return 0; |
590 | ||
591 | return -errno; | |
592 | } | |
593 | ||
1c8da044 LP |
594 | cmsg_close_all(&msghdr); |
595 | ||
3ee897d6 LP |
596 | CMSG_FOREACH(cmsg, &msghdr) |
597 | if (cmsg->cmsg_level == SOL_SOCKET && | |
598 | cmsg->cmsg_type == SCM_CREDENTIALS && | |
599 | cmsg->cmsg_len == CMSG_LEN(sizeof(struct ucred))) | |
7079cfef | 600 | ucred = (struct ucred*) CMSG_DATA(cmsg); |
7079cfef LP |
601 | |
602 | if (msghdr.msg_flags & MSG_TRUNC) { | |
603 | log_warning("Got overly long notification datagram, ignoring."); | |
604 | return 0; | |
605 | } | |
606 | ||
607 | if (!ucred || ucred->pid <= 0) { | |
608 | log_warning("Got notification datagram lacking credential information, ignoring."); | |
609 | return 0; | |
610 | } | |
611 | ||
612 | HASHMAP_FOREACH(t, m->transfers, i) | |
613 | if (ucred->pid == t->pid) | |
614 | break; | |
615 | ||
616 | if (!t) { | |
617 | log_warning("Got notification datagram from unexpected peer, ignoring."); | |
618 | return 0; | |
619 | } | |
620 | ||
621 | buf[n] = 0; | |
622 | ||
623 | p = startswith(buf, "X_IMPORT_PROGRESS="); | |
624 | if (!p) { | |
625 | p = strstr(buf, "\nX_IMPORT_PROGRESS="); | |
626 | if (!p) | |
627 | return 0; | |
628 | ||
629 | p += 19; | |
630 | } | |
631 | ||
632 | e = strchrnul(p, '\n'); | |
633 | *e = 0; | |
634 | ||
635 | r = safe_atou(p, &percent); | |
636 | if (r < 0 || percent > 100) { | |
637 | log_warning("Got invalid percent value, ignoring."); | |
638 | return 0; | |
639 | } | |
640 | ||
641 | t->progress_percent = percent; | |
642 | ||
643 | log_debug("Got percentage from client: %u%%", percent); | |
644 | return 0; | |
645 | } | |
646 | ||
3d7415f4 LP |
647 | static int manager_new(Manager **ret) { |
648 | _cleanup_(manager_unrefp) Manager *m = NULL; | |
7079cfef LP |
649 | static const union sockaddr_union sa = { |
650 | .un.sun_family = AF_UNIX, | |
651 | .un.sun_path = "/run/systemd/import/notify", | |
652 | }; | |
653 | static const int one = 1; | |
3d7415f4 LP |
654 | int r; |
655 | ||
656 | assert(ret); | |
657 | ||
658 | m = new0(Manager, 1); | |
659 | if (!m) | |
660 | return -ENOMEM; | |
661 | ||
662 | r = sd_event_default(&m->event); | |
663 | if (r < 0) | |
664 | return r; | |
665 | ||
666 | sd_event_set_watchdog(m->event, true); | |
667 | ||
668 | r = sd_bus_default_system(&m->bus); | |
669 | if (r < 0) | |
670 | return r; | |
671 | ||
7079cfef LP |
672 | m->notify_fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0); |
673 | if (m->notify_fd < 0) | |
674 | return -errno; | |
675 | ||
676 | (void) mkdir_parents_label(sa.un.sun_path, 0755); | |
677 | (void) unlink(sa.un.sun_path); | |
678 | ||
fc2fffe7 | 679 | if (bind(m->notify_fd, &sa.sa, SOCKADDR_UN_LEN(sa.un)) < 0) |
7079cfef LP |
680 | return -errno; |
681 | ||
682 | if (setsockopt(m->notify_fd, SOL_SOCKET, SO_PASSCRED, &one, sizeof(one)) < 0) | |
683 | return -errno; | |
684 | ||
685 | r = sd_event_add_io(m->event, &m->notify_event_source, m->notify_fd, EPOLLIN, manager_on_notify, m); | |
686 | if (r < 0) | |
687 | return r; | |
688 | ||
3d7415f4 LP |
689 | *ret = m; |
690 | m = NULL; | |
691 | ||
692 | return 0; | |
693 | } | |
694 | ||
b43d75c3 | 695 | static Transfer *manager_find(Manager *m, TransferType type, const char *remote) { |
3d7415f4 LP |
696 | Transfer *t; |
697 | Iterator i; | |
698 | ||
699 | assert(m); | |
700 | assert(type >= 0); | |
701 | assert(type < _TRANSFER_TYPE_MAX); | |
702 | ||
703 | HASHMAP_FOREACH(t, m->transfers, i) { | |
704 | ||
705 | if (t->type == type && | |
b43d75c3 | 706 | streq_ptr(t->remote, remote)) |
3d7415f4 LP |
707 | return t; |
708 | } | |
709 | ||
710 | return NULL; | |
711 | } | |
712 | ||
19070062 | 713 | static int method_import_tar_or_raw(sd_bus_message *msg, void *userdata, sd_bus_error *error) { |
b6e676ce LP |
714 | _cleanup_(transfer_unrefp) Transfer *t = NULL; |
715 | int fd, force, read_only, r; | |
716 | const char *local, *object; | |
717 | Manager *m = userdata; | |
718 | TransferType type; | |
719 | uint32_t id; | |
720 | ||
19070062 LP |
721 | assert(msg); |
722 | assert(m); | |
723 | ||
b6e676ce LP |
724 | r = bus_verify_polkit_async( |
725 | msg, | |
726 | CAP_SYS_ADMIN, | |
727 | "org.freedesktop.import1.import", | |
403ed0e5 | 728 | NULL, |
b6e676ce LP |
729 | false, |
730 | UID_INVALID, | |
731 | &m->polkit_registry, | |
732 | error); | |
733 | if (r < 0) | |
734 | return r; | |
735 | if (r == 0) | |
736 | return 1; /* Will call us back */ | |
737 | ||
738 | r = sd_bus_message_read(msg, "hsbb", &fd, &local, &force, &read_only); | |
739 | if (r < 0) | |
740 | return r; | |
741 | ||
742 | if (!machine_name_is_valid(local)) | |
743 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Local name %s is invalid", local); | |
744 | ||
745 | r = setup_machine_directory((uint64_t) -1, error); | |
746 | if (r < 0) | |
747 | return r; | |
748 | ||
749 | type = streq_ptr(sd_bus_message_get_member(msg), "ImportTar") ? TRANSFER_IMPORT_TAR : TRANSFER_IMPORT_RAW; | |
750 | ||
751 | r = transfer_new(m, &t); | |
752 | if (r < 0) | |
753 | return r; | |
754 | ||
755 | t->type = type; | |
756 | t->force_local = force; | |
757 | t->read_only = read_only; | |
758 | ||
759 | t->local = strdup(local); | |
760 | if (!t->local) | |
761 | return -ENOMEM; | |
762 | ||
763 | t->stdin_fd = fcntl(fd, F_DUPFD_CLOEXEC, 3); | |
764 | if (t->stdin_fd < 0) | |
765 | return -errno; | |
766 | ||
767 | r = transfer_start(t); | |
768 | if (r < 0) | |
769 | return r; | |
770 | ||
771 | object = t->object_path; | |
772 | id = t->id; | |
773 | t = NULL; | |
774 | ||
775 | return sd_bus_reply_method_return(msg, "uo", id, object); | |
776 | } | |
777 | ||
19070062 | 778 | static int method_export_tar_or_raw(sd_bus_message *msg, void *userdata, sd_bus_error *error) { |
587fec42 LP |
779 | _cleanup_(transfer_unrefp) Transfer *t = NULL; |
780 | int fd, r; | |
781 | const char *local, *object, *format; | |
782 | Manager *m = userdata; | |
783 | TransferType type; | |
784 | uint32_t id; | |
785 | ||
19070062 LP |
786 | assert(msg); |
787 | assert(m); | |
788 | ||
587fec42 LP |
789 | r = bus_verify_polkit_async( |
790 | msg, | |
791 | CAP_SYS_ADMIN, | |
792 | "org.freedesktop.import1.export", | |
403ed0e5 | 793 | NULL, |
587fec42 LP |
794 | false, |
795 | UID_INVALID, | |
796 | &m->polkit_registry, | |
797 | error); | |
798 | if (r < 0) | |
799 | return r; | |
800 | if (r == 0) | |
801 | return 1; /* Will call us back */ | |
802 | ||
803 | r = sd_bus_message_read(msg, "shs", &local, &fd, &format); | |
804 | if (r < 0) | |
805 | return r; | |
806 | ||
807 | if (!machine_name_is_valid(local)) | |
808 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Local name %s is invalid", local); | |
809 | ||
810 | type = streq_ptr(sd_bus_message_get_member(msg), "ExportTar") ? TRANSFER_EXPORT_TAR : TRANSFER_EXPORT_RAW; | |
811 | ||
812 | r = transfer_new(m, &t); | |
813 | if (r < 0) | |
814 | return r; | |
815 | ||
816 | t->type = type; | |
817 | ||
818 | if (!isempty(format)) { | |
819 | t->format = strdup(format); | |
820 | if (!t->format) | |
821 | return -ENOMEM; | |
822 | } | |
823 | ||
824 | t->local = strdup(local); | |
825 | if (!t->local) | |
826 | return -ENOMEM; | |
827 | ||
828 | t->stdout_fd = fcntl(fd, F_DUPFD_CLOEXEC, 3); | |
829 | if (t->stdout_fd < 0) | |
830 | return -errno; | |
831 | ||
832 | r = transfer_start(t); | |
833 | if (r < 0) | |
834 | return r; | |
835 | ||
836 | object = t->object_path; | |
837 | id = t->id; | |
838 | t = NULL; | |
839 | ||
840 | return sd_bus_reply_method_return(msg, "uo", id, object); | |
841 | } | |
842 | ||
19070062 | 843 | static int method_pull_tar_or_raw(sd_bus_message *msg, void *userdata, sd_bus_error *error) { |
3d7415f4 LP |
844 | _cleanup_(transfer_unrefp) Transfer *t = NULL; |
845 | const char *remote, *local, *verify, *object; | |
846 | Manager *m = userdata; | |
847 | ImportVerify v; | |
848 | TransferType type; | |
849 | int force, r; | |
850 | uint32_t id; | |
851 | ||
3d7415f4 LP |
852 | assert(msg); |
853 | assert(m); | |
854 | ||
855 | r = bus_verify_polkit_async( | |
856 | msg, | |
857 | CAP_SYS_ADMIN, | |
858 | "org.freedesktop.import1.pull", | |
403ed0e5 | 859 | NULL, |
3d7415f4 | 860 | false, |
c529695e | 861 | UID_INVALID, |
3d7415f4 LP |
862 | &m->polkit_registry, |
863 | error); | |
864 | if (r < 0) | |
865 | return r; | |
866 | if (r == 0) | |
867 | return 1; /* Will call us back */ | |
868 | ||
869 | r = sd_bus_message_read(msg, "sssb", &remote, &local, &verify, &force); | |
870 | if (r < 0) | |
871 | return r; | |
872 | ||
873 | if (!http_url_is_valid(remote)) | |
874 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "URL %s is invalid", remote); | |
875 | ||
876 | if (isempty(local)) | |
877 | local = NULL; | |
878 | else if (!machine_name_is_valid(local)) | |
879 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Local name %s is invalid", local); | |
880 | ||
881 | if (isempty(verify)) | |
882 | v = IMPORT_VERIFY_SIGNATURE; | |
883 | else | |
884 | v = import_verify_from_string(verify); | |
885 | if (v < 0) | |
886 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown verification mode %s", verify); | |
887 | ||
4cee5eed | 888 | r = setup_machine_directory((uint64_t) -1, error); |
ce06fdfb LP |
889 | if (r < 0) |
890 | return r; | |
891 | ||
b6e676ce | 892 | type = streq_ptr(sd_bus_message_get_member(msg), "PullTar") ? TRANSFER_PULL_TAR : TRANSFER_PULL_RAW; |
3d7415f4 | 893 | |
b43d75c3 | 894 | if (manager_find(m, type, remote)) |
3d7415f4 LP |
895 | return sd_bus_error_setf(error, BUS_ERROR_TRANSFER_IN_PROGRESS, "Transfer for %s already in progress.", remote); |
896 | ||
897 | r = transfer_new(m, &t); | |
898 | if (r < 0) | |
899 | return r; | |
900 | ||
901 | t->type = type; | |
902 | t->verify = v; | |
903 | t->force_local = force; | |
904 | ||
905 | t->remote = strdup(remote); | |
906 | if (!t->remote) | |
907 | return -ENOMEM; | |
908 | ||
b6e676ce LP |
909 | if (local) { |
910 | t->local = strdup(local); | |
911 | if (!t->local) | |
912 | return -ENOMEM; | |
913 | } | |
3d7415f4 LP |
914 | |
915 | r = transfer_start(t); | |
916 | if (r < 0) | |
917 | return r; | |
918 | ||
919 | object = t->object_path; | |
920 | id = t->id; | |
921 | t = NULL; | |
922 | ||
923 | return sd_bus_reply_method_return(msg, "uo", id, object); | |
924 | } | |
925 | ||
19070062 | 926 | static int method_list_transfers(sd_bus_message *msg, void *userdata, sd_bus_error *error) { |
4afd3348 | 927 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
3d7415f4 LP |
928 | Manager *m = userdata; |
929 | Transfer *t; | |
930 | Iterator i; | |
931 | int r; | |
932 | ||
3d7415f4 LP |
933 | assert(msg); |
934 | assert(m); | |
935 | ||
936 | r = sd_bus_message_new_method_return(msg, &reply); | |
937 | if (r < 0) | |
938 | return r; | |
939 | ||
7079cfef | 940 | r = sd_bus_message_open_container(reply, 'a', "(usssdo)"); |
3d7415f4 LP |
941 | if (r < 0) |
942 | return r; | |
943 | ||
944 | HASHMAP_FOREACH(t, m->transfers, i) { | |
945 | ||
946 | r = sd_bus_message_append( | |
947 | reply, | |
7079cfef | 948 | "(usssdo)", |
3d7415f4 LP |
949 | t->id, |
950 | transfer_type_to_string(t->type), | |
951 | t->remote, | |
952 | t->local, | |
7079cfef | 953 | (double) t->progress_percent / 100.0, |
3d7415f4 LP |
954 | t->object_path); |
955 | if (r < 0) | |
956 | return r; | |
957 | } | |
958 | ||
959 | r = sd_bus_message_close_container(reply); | |
960 | if (r < 0) | |
961 | return r; | |
962 | ||
9030ca46 | 963 | return sd_bus_send(NULL, reply, NULL); |
3d7415f4 LP |
964 | } |
965 | ||
19070062 | 966 | static int method_cancel(sd_bus_message *msg, void *userdata, sd_bus_error *error) { |
3d7415f4 LP |
967 | Transfer *t = userdata; |
968 | int r; | |
969 | ||
3d7415f4 LP |
970 | assert(msg); |
971 | assert(t); | |
972 | ||
973 | r = bus_verify_polkit_async( | |
974 | msg, | |
975 | CAP_SYS_ADMIN, | |
976 | "org.freedesktop.import1.pull", | |
403ed0e5 | 977 | NULL, |
3d7415f4 | 978 | false, |
c529695e | 979 | UID_INVALID, |
3d7415f4 LP |
980 | &t->manager->polkit_registry, |
981 | error); | |
982 | if (r < 0) | |
983 | return r; | |
984 | if (r == 0) | |
985 | return 1; /* Will call us back */ | |
986 | ||
987 | r = transfer_cancel(t); | |
988 | if (r < 0) | |
989 | return r; | |
990 | ||
991 | return sd_bus_reply_method_return(msg, NULL); | |
992 | } | |
993 | ||
19070062 | 994 | static int method_cancel_transfer(sd_bus_message *msg, void *userdata, sd_bus_error *error) { |
3d7415f4 LP |
995 | Manager *m = userdata; |
996 | Transfer *t; | |
997 | uint32_t id; | |
998 | int r; | |
999 | ||
3d7415f4 LP |
1000 | assert(msg); |
1001 | assert(m); | |
1002 | ||
1003 | r = bus_verify_polkit_async( | |
1004 | msg, | |
1005 | CAP_SYS_ADMIN, | |
1006 | "org.freedesktop.import1.pull", | |
403ed0e5 | 1007 | NULL, |
3d7415f4 | 1008 | false, |
c529695e | 1009 | UID_INVALID, |
3d7415f4 LP |
1010 | &m->polkit_registry, |
1011 | error); | |
1012 | if (r < 0) | |
1013 | return r; | |
1014 | if (r == 0) | |
1015 | return 1; /* Will call us back */ | |
1016 | ||
1017 | r = sd_bus_message_read(msg, "u", &id); | |
1018 | if (r < 0) | |
1019 | return r; | |
1020 | if (id <= 0) | |
1021 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid transfer id"); | |
1022 | ||
1023 | t = hashmap_get(m->transfers, UINT32_TO_PTR(id)); | |
1024 | if (!t) | |
09d46cfd | 1025 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_TRANSFER, "No transfer by id %" PRIu32, id); |
3d7415f4 LP |
1026 | |
1027 | r = transfer_cancel(t); | |
1028 | if (r < 0) | |
1029 | return r; | |
1030 | ||
1031 | return sd_bus_reply_method_return(msg, NULL); | |
1032 | } | |
1033 | ||
7079cfef LP |
1034 | static int property_get_progress( |
1035 | sd_bus *bus, | |
1036 | const char *path, | |
1037 | const char *interface, | |
1038 | const char *property, | |
1039 | sd_bus_message *reply, | |
1040 | void *userdata, | |
1041 | sd_bus_error *error) { | |
1042 | ||
1043 | Transfer *t = userdata; | |
1044 | ||
1045 | assert(bus); | |
1046 | assert(reply); | |
1047 | assert(t); | |
1048 | ||
1049 | return sd_bus_message_append(reply, "d", (double) t->progress_percent / 100.0); | |
1050 | } | |
1051 | ||
3d7415f4 LP |
1052 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_type, transfer_type, TransferType); |
1053 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_verify, import_verify, ImportVerify); | |
1054 | ||
1055 | static const sd_bus_vtable transfer_vtable[] = { | |
1056 | SD_BUS_VTABLE_START(0), | |
1057 | SD_BUS_PROPERTY("Id", "u", NULL, offsetof(Transfer, id), SD_BUS_VTABLE_PROPERTY_CONST), | |
1058 | SD_BUS_PROPERTY("Local", "s", NULL, offsetof(Transfer, local), SD_BUS_VTABLE_PROPERTY_CONST), | |
1059 | SD_BUS_PROPERTY("Remote", "s", NULL, offsetof(Transfer, remote), SD_BUS_VTABLE_PROPERTY_CONST), | |
1060 | SD_BUS_PROPERTY("Type", "s", property_get_type, offsetof(Transfer, type), SD_BUS_VTABLE_PROPERTY_CONST), | |
1061 | SD_BUS_PROPERTY("Verify", "s", property_get_verify, offsetof(Transfer, verify), SD_BUS_VTABLE_PROPERTY_CONST), | |
7079cfef | 1062 | SD_BUS_PROPERTY("Progress", "d", property_get_progress, 0, 0), |
3d7415f4 LP |
1063 | SD_BUS_METHOD("Cancel", NULL, NULL, method_cancel, SD_BUS_VTABLE_UNPRIVILEGED), |
1064 | SD_BUS_SIGNAL("LogMessage", "us", 0), | |
1065 | SD_BUS_VTABLE_END, | |
1066 | }; | |
1067 | ||
1068 | static const sd_bus_vtable manager_vtable[] = { | |
1069 | SD_BUS_VTABLE_START(0), | |
b6e676ce LP |
1070 | SD_BUS_METHOD("ImportTar", "hsbb", "uo", method_import_tar_or_raw, SD_BUS_VTABLE_UNPRIVILEGED), |
1071 | SD_BUS_METHOD("ImportRaw", "hsbb", "uo", method_import_tar_or_raw, SD_BUS_VTABLE_UNPRIVILEGED), | |
587fec42 LP |
1072 | SD_BUS_METHOD("ExportTar", "shs", "uo", method_export_tar_or_raw, SD_BUS_VTABLE_UNPRIVILEGED), |
1073 | SD_BUS_METHOD("ExportRaw", "shs", "uo", method_export_tar_or_raw, SD_BUS_VTABLE_UNPRIVILEGED), | |
3d7415f4 LP |
1074 | SD_BUS_METHOD("PullTar", "sssb", "uo", method_pull_tar_or_raw, SD_BUS_VTABLE_UNPRIVILEGED), |
1075 | SD_BUS_METHOD("PullRaw", "sssb", "uo", method_pull_tar_or_raw, SD_BUS_VTABLE_UNPRIVILEGED), | |
7079cfef | 1076 | SD_BUS_METHOD("ListTransfers", NULL, "a(usssdo)", method_list_transfers, SD_BUS_VTABLE_UNPRIVILEGED), |
3d7415f4 LP |
1077 | SD_BUS_METHOD("CancelTransfer", "u", NULL, method_cancel_transfer, SD_BUS_VTABLE_UNPRIVILEGED), |
1078 | SD_BUS_SIGNAL("TransferNew", "uo", 0), | |
1079 | SD_BUS_SIGNAL("TransferRemoved", "uos", 0), | |
1080 | SD_BUS_VTABLE_END, | |
1081 | }; | |
1082 | ||
1083 | static int transfer_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { | |
1084 | Manager *m = userdata; | |
1085 | Transfer *t; | |
1086 | const char *p; | |
1087 | uint32_t id; | |
1088 | int r; | |
1089 | ||
1090 | assert(bus); | |
1091 | assert(path); | |
1092 | assert(interface); | |
1093 | assert(found); | |
1094 | assert(m); | |
1095 | ||
1096 | p = startswith(path, "/org/freedesktop/import1/transfer/_"); | |
1097 | if (!p) | |
1098 | return 0; | |
1099 | ||
1100 | r = safe_atou32(p, &id); | |
1101 | if (r < 0 || id == 0) | |
1102 | return 0; | |
1103 | ||
1104 | t = hashmap_get(m->transfers, UINT32_TO_PTR(id)); | |
1105 | if (!t) | |
1106 | return 0; | |
1107 | ||
1108 | *found = t; | |
1109 | return 1; | |
1110 | } | |
1111 | ||
1112 | static int transfer_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) { | |
1113 | _cleanup_strv_free_ char **l = NULL; | |
1114 | Manager *m = userdata; | |
1115 | Transfer *t; | |
1116 | unsigned k = 0; | |
1117 | Iterator i; | |
1118 | ||
1119 | l = new0(char*, hashmap_size(m->transfers) + 1); | |
1120 | if (!l) | |
1121 | return -ENOMEM; | |
1122 | ||
1123 | HASHMAP_FOREACH(t, m->transfers, i) { | |
1124 | ||
1125 | l[k] = strdup(t->object_path); | |
1126 | if (!l[k]) | |
1127 | return -ENOMEM; | |
1128 | ||
1129 | k++; | |
1130 | } | |
1131 | ||
1132 | *nodes = l; | |
1133 | l = NULL; | |
1134 | ||
1135 | return 1; | |
1136 | } | |
1137 | ||
1138 | static int manager_add_bus_objects(Manager *m) { | |
1139 | int r; | |
1140 | ||
1141 | assert(m); | |
1142 | ||
1143 | r = sd_bus_add_object_vtable(m->bus, NULL, "/org/freedesktop/import1", "org.freedesktop.import1.Manager", manager_vtable, m); | |
1144 | if (r < 0) | |
1145 | return log_error_errno(r, "Failed to register object: %m"); | |
1146 | ||
1147 | r = sd_bus_add_fallback_vtable(m->bus, NULL, "/org/freedesktop/import1/transfer", "org.freedesktop.import1.Transfer", transfer_vtable, transfer_object_find, m); | |
1148 | if (r < 0) | |
1149 | return log_error_errno(r, "Failed to register object: %m"); | |
1150 | ||
1151 | r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/import1/transfer", transfer_node_enumerator, m); | |
1152 | if (r < 0) | |
1153 | return log_error_errno(r, "Failed to add transfer enumerator: %m"); | |
1154 | ||
1155 | r = sd_bus_request_name(m->bus, "org.freedesktop.import1", 0); | |
1156 | if (r < 0) | |
1157 | return log_error_errno(r, "Failed to register name: %m"); | |
1158 | ||
1159 | r = sd_bus_attach_event(m->bus, m->event, 0); | |
1160 | if (r < 0) | |
1161 | return log_error_errno(r, "Failed to attach bus to event loop: %m"); | |
1162 | ||
1163 | return 0; | |
1164 | } | |
1165 | ||
1166 | static bool manager_check_idle(void *userdata) { | |
1167 | Manager *m = userdata; | |
1168 | ||
1169 | return hashmap_isempty(m->transfers); | |
1170 | } | |
1171 | ||
1172 | static int manager_run(Manager *m) { | |
1173 | assert(m); | |
1174 | ||
1175 | return bus_event_loop_with_idle( | |
1176 | m->event, | |
1177 | m->bus, | |
1178 | "org.freedesktop.import1", | |
1179 | DEFAULT_EXIT_USEC, | |
1180 | manager_check_idle, | |
1181 | m); | |
1182 | } | |
1183 | ||
1184 | int main(int argc, char *argv[]) { | |
1185 | _cleanup_(manager_unrefp) Manager *m = NULL; | |
1186 | int r; | |
1187 | ||
1188 | log_set_target(LOG_TARGET_AUTO); | |
1189 | log_parse_environment(); | |
1190 | log_open(); | |
1191 | ||
1192 | umask(0022); | |
1193 | ||
1194 | if (argc != 1) { | |
1195 | log_error("This program takes no arguments."); | |
1196 | r = -EINVAL; | |
1197 | goto finish; | |
1198 | } | |
1199 | ||
72c0a2c2 | 1200 | assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGCHLD, -1) >= 0); |
3d7415f4 LP |
1201 | |
1202 | r = manager_new(&m); | |
1203 | if (r < 0) { | |
1204 | log_error_errno(r, "Failed to allocate manager object: %m"); | |
1205 | goto finish; | |
1206 | } | |
1207 | ||
1208 | r = manager_add_bus_objects(m); | |
1209 | if (r < 0) | |
1210 | goto finish; | |
1211 | ||
1212 | r = manager_run(m); | |
1213 | if (r < 0) { | |
1214 | log_error_errno(r, "Failed to run event loop: %m"); | |
1215 | goto finish; | |
1216 | } | |
1217 | ||
1218 | finish: | |
1219 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; | |
1220 | } |