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3d7415f4 LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2015 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
22 | #include <sys/prctl.h> | |
23 | ||
24 | #include "sd-bus.h" | |
25 | #include "util.h" | |
26 | #include "strv.h" | |
27 | #include "bus-util.h" | |
28 | #include "bus-common-errors.h" | |
29 | #include "def.h" | |
7079cfef LP |
30 | #include "socket-util.h" |
31 | #include "mkdir.h" | |
a97dcc12 | 32 | #include "def.h" |
ce06fdfb | 33 | #include "missing.h" |
432cea00 | 34 | #include "machine-pool.h" |
113b3fc1 | 35 | #include "path-util.h" |
ce06fdfb | 36 | #include "import-util.h" |
3d7415f4 LP |
37 | |
38 | typedef struct Transfer Transfer; | |
39 | typedef struct Manager Manager; | |
40 | ||
41 | typedef enum TransferType { | |
b6e676ce LP |
42 | TRANSFER_IMPORT_TAR, |
43 | TRANSFER_IMPORT_RAW, | |
44 | TRANSFER_PULL_TAR, | |
45 | TRANSFER_PULL_RAW, | |
46 | TRANSFER_PULL_DKR, | |
3d7415f4 LP |
47 | _TRANSFER_TYPE_MAX, |
48 | _TRANSFER_TYPE_INVALID = -1, | |
49 | } TransferType; | |
50 | ||
51 | struct Transfer { | |
52 | Manager *manager; | |
53 | ||
54 | uint32_t id; | |
55 | char *object_path; | |
56 | ||
57 | TransferType type; | |
58 | ImportVerify verify; | |
59 | ||
60 | char *remote; | |
61 | char *local; | |
62 | bool force_local; | |
b6e676ce | 63 | bool read_only; |
3d7415f4 LP |
64 | |
65 | char *dkr_index_url; | |
66 | ||
67 | pid_t pid; | |
68 | ||
69 | int log_fd; | |
70 | ||
71 | char log_message[LINE_MAX]; | |
72 | size_t log_message_size; | |
73 | ||
74 | sd_event_source *pid_event_source; | |
75 | sd_event_source *log_event_source; | |
76 | ||
77 | unsigned n_canceled; | |
7079cfef | 78 | unsigned progress_percent; |
b6e676ce LP |
79 | |
80 | int stdin_fd; | |
3d7415f4 LP |
81 | }; |
82 | ||
83 | struct Manager { | |
84 | sd_event *event; | |
85 | sd_bus *bus; | |
86 | ||
87 | uint32_t current_transfer_id; | |
88 | Hashmap *transfers; | |
89 | ||
90 | Hashmap *polkit_registry; | |
7079cfef LP |
91 | |
92 | int notify_fd; | |
93 | ||
94 | sd_event_source *notify_event_source; | |
3d7415f4 LP |
95 | }; |
96 | ||
97 | #define TRANSFERS_MAX 64 | |
98 | ||
99 | static const char* const transfer_type_table[_TRANSFER_TYPE_MAX] = { | |
b6e676ce LP |
100 | [TRANSFER_IMPORT_TAR] = "import-tar", |
101 | [TRANSFER_IMPORT_RAW] = "import-raw", | |
102 | [TRANSFER_PULL_TAR] = "pull-tar", | |
103 | [TRANSFER_PULL_RAW] = "pull-raw", | |
104 | [TRANSFER_PULL_DKR] = "pull-dkr", | |
3d7415f4 LP |
105 | }; |
106 | ||
b9a5f858 | 107 | DEFINE_PRIVATE_STRING_TABLE_LOOKUP_TO_STRING(transfer_type, TransferType); |
3d7415f4 LP |
108 | |
109 | static Transfer *transfer_unref(Transfer *t) { | |
110 | if (!t) | |
111 | return NULL; | |
112 | ||
113 | if (t->manager) | |
114 | hashmap_remove(t->manager->transfers, UINT32_TO_PTR(t->id)); | |
115 | ||
116 | sd_event_source_unref(t->pid_event_source); | |
117 | sd_event_source_unref(t->log_event_source); | |
118 | ||
119 | free(t->remote); | |
120 | free(t->local); | |
121 | free(t->dkr_index_url); | |
122 | free(t->object_path); | |
123 | ||
124 | if (t->pid > 0) { | |
125 | (void) kill_and_sigcont(t->pid, SIGKILL); | |
126 | (void) wait_for_terminate(t->pid, NULL); | |
127 | } | |
128 | ||
129 | safe_close(t->log_fd); | |
b6e676ce | 130 | safe_close(t->stdin_fd); |
3d7415f4 LP |
131 | |
132 | free(t); | |
133 | return NULL; | |
134 | } | |
135 | ||
136 | DEFINE_TRIVIAL_CLEANUP_FUNC(Transfer*, transfer_unref); | |
137 | ||
138 | static int transfer_new(Manager *m, Transfer **ret) { | |
139 | _cleanup_(transfer_unrefp) Transfer *t = NULL; | |
140 | uint32_t id; | |
141 | int r; | |
142 | ||
143 | assert(m); | |
144 | assert(ret); | |
145 | ||
146 | if (hashmap_size(m->transfers) >= TRANSFERS_MAX) | |
147 | return -E2BIG; | |
148 | ||
149 | r = hashmap_ensure_allocated(&m->transfers, &trivial_hash_ops); | |
150 | if (r < 0) | |
151 | return r; | |
152 | ||
153 | t = new0(Transfer, 1); | |
154 | if (!t) | |
155 | return -ENOMEM; | |
156 | ||
157 | t->type = _TRANSFER_TYPE_INVALID; | |
158 | t->log_fd = -1; | |
b6e676ce LP |
159 | t->stdin_fd = -1; |
160 | t->verify = _IMPORT_VERIFY_INVALID; | |
3d7415f4 LP |
161 | |
162 | id = m->current_transfer_id + 1; | |
163 | ||
164 | if (asprintf(&t->object_path, "/org/freedesktop/import1/transfer/_%" PRIu32, id) < 0) | |
165 | return -ENOMEM; | |
166 | ||
167 | r = hashmap_put(m->transfers, UINT32_TO_PTR(id), t); | |
168 | if (r < 0) | |
169 | return r; | |
170 | ||
171 | m->current_transfer_id = id; | |
172 | ||
173 | t->manager = m; | |
174 | t->id = id; | |
175 | ||
176 | *ret = t; | |
177 | t = NULL; | |
178 | ||
179 | return 0; | |
180 | } | |
181 | ||
182 | static void transfer_send_log_line(Transfer *t, const char *line) { | |
183 | int r, priority = LOG_INFO; | |
184 | ||
185 | assert(t); | |
186 | assert(line); | |
187 | ||
188 | syslog_parse_priority(&line, &priority, true); | |
189 | ||
09d46cfd | 190 | log_full(priority, "(transfer%" PRIu32 ") %s", t->id, line); |
3d7415f4 LP |
191 | |
192 | r = sd_bus_emit_signal( | |
193 | t->manager->bus, | |
194 | t->object_path, | |
195 | "org.freedesktop.import1.Transfer", | |
196 | "LogMessage", | |
197 | "us", | |
198 | priority, | |
199 | line); | |
200 | if (r < 0) | |
201 | log_error_errno(r, "Cannot emit message: %m"); | |
202 | } | |
203 | ||
204 | static void transfer_send_logs(Transfer *t, bool flush) { | |
205 | assert(t); | |
206 | ||
207 | /* Try to send out all log messages, if we can. But if we | |
208 | * can't we remove the messages from the buffer, but don't | |
209 | * fail */ | |
210 | ||
211 | while (t->log_message_size > 0) { | |
212 | _cleanup_free_ char *n = NULL; | |
213 | char *e; | |
214 | ||
215 | if (t->log_message_size >= sizeof(t->log_message)) | |
216 | e = t->log_message + sizeof(t->log_message); | |
217 | else { | |
218 | char *a, *b; | |
219 | ||
220 | a = memchr(t->log_message, 0, t->log_message_size); | |
221 | b = memchr(t->log_message, '\n', t->log_message_size); | |
222 | ||
223 | if (a && b) | |
224 | e = a < b ? a : b; | |
225 | else if (a) | |
226 | e = a; | |
227 | else | |
228 | e = b; | |
229 | } | |
230 | ||
231 | if (!e) { | |
232 | if (!flush) | |
233 | return; | |
234 | ||
235 | e = t->log_message + t->log_message_size; | |
236 | } | |
237 | ||
238 | n = strndup(t->log_message, e - t->log_message); | |
239 | ||
240 | /* Skip over NUL and newlines */ | |
241 | while (e < t->log_message + t->log_message_size && (*e == 0 || *e == '\n')) | |
242 | e++; | |
243 | ||
244 | memmove(t->log_message, e, t->log_message + sizeof(t->log_message) - e); | |
245 | t->log_message_size -= e - t->log_message; | |
246 | ||
247 | if (!n) { | |
248 | log_oom(); | |
249 | continue; | |
250 | } | |
251 | ||
252 | if (isempty(n)) | |
253 | continue; | |
254 | ||
255 | transfer_send_log_line(t, n); | |
256 | } | |
257 | } | |
258 | ||
259 | static int transfer_finalize(Transfer *t, bool success) { | |
260 | int r; | |
261 | ||
262 | assert(t); | |
263 | ||
264 | transfer_send_logs(t, true); | |
265 | ||
266 | r = sd_bus_emit_signal( | |
267 | t->manager->bus, | |
268 | "/org/freedesktop/import1", | |
269 | "org.freedesktop.import1.Manager", | |
270 | "TransferRemoved", | |
271 | "uos", | |
272 | t->id, | |
273 | t->object_path, | |
274 | success ? "done" : | |
275 | t->n_canceled > 0 ? "canceled" : "failed"); | |
276 | ||
277 | if (r < 0) | |
278 | log_error_errno(r, "Cannot emit message: %m"); | |
279 | ||
280 | transfer_unref(t); | |
281 | return 0; | |
282 | } | |
283 | ||
284 | static int transfer_cancel(Transfer *t) { | |
285 | int r; | |
286 | ||
287 | assert(t); | |
288 | ||
289 | r = kill_and_sigcont(t->pid, t->n_canceled < 3 ? SIGTERM : SIGKILL); | |
290 | if (r < 0) | |
291 | return r; | |
292 | ||
293 | t->n_canceled++; | |
294 | return 0; | |
295 | } | |
296 | ||
297 | static int transfer_on_pid(sd_event_source *s, const siginfo_t *si, void *userdata) { | |
298 | Transfer *t = userdata; | |
299 | bool success = false; | |
300 | ||
301 | assert(s); | |
302 | assert(t); | |
303 | ||
304 | if (si->si_code == CLD_EXITED) { | |
305 | if (si->si_status != 0) | |
306 | log_error("Import process failed with exit code %i.", si->si_status); | |
307 | else { | |
308 | log_debug("Import process succeeded."); | |
309 | success = true; | |
310 | } | |
311 | ||
312 | } else if (si->si_code == CLD_KILLED || | |
313 | si->si_code == CLD_DUMPED) | |
314 | ||
315 | log_error("Import process terminated by signal %s.", signal_to_string(si->si_status)); | |
316 | else | |
317 | log_error("Import process failed due to unknown reason."); | |
318 | ||
319 | t->pid = 0; | |
320 | ||
321 | return transfer_finalize(t, success); | |
322 | } | |
323 | ||
324 | static int transfer_on_log(sd_event_source *s, int fd, uint32_t revents, void *userdata) { | |
325 | Transfer *t = userdata; | |
326 | ssize_t l; | |
327 | ||
328 | assert(s); | |
329 | assert(t); | |
330 | ||
331 | l = read(fd, t->log_message + t->log_message_size, sizeof(t->log_message) - t->log_message_size); | |
332 | if (l <= 0) { | |
333 | /* EOF/read error. We just close the pipe here, and | |
334 | * close the watch, waiting for the SIGCHLD to arrive, | |
335 | * before we do anything else. */ | |
336 | ||
337 | if (l < 0) | |
338 | log_error_errno(errno, "Failed to read log message: %m"); | |
339 | ||
340 | t->log_event_source = sd_event_source_unref(t->log_event_source); | |
341 | return 0; | |
342 | } | |
343 | ||
344 | t->log_message_size += l; | |
345 | ||
346 | transfer_send_logs(t, false); | |
347 | ||
348 | return 0; | |
349 | } | |
350 | ||
351 | static int transfer_start(Transfer *t) { | |
352 | _cleanup_close_pair_ int pipefd[2] = { -1, -1 }; | |
353 | int r; | |
354 | ||
355 | assert(t); | |
356 | assert(t->pid <= 0); | |
357 | ||
358 | if (pipe2(pipefd, O_CLOEXEC) < 0) | |
359 | return -errno; | |
360 | ||
361 | t->pid = fork(); | |
362 | if (t->pid < 0) | |
363 | return -errno; | |
364 | if (t->pid == 0) { | |
365 | const char *cmd[] = { | |
b6e676ce LP |
366 | NULL, /* systemd-import or systemd-pull */ |
367 | NULL, /* tar, raw, dkr */ | |
368 | NULL, /* --verify= */ | |
3d7415f4 LP |
369 | NULL, /* verify argument */ |
370 | NULL, /* maybe --force */ | |
b6e676ce | 371 | NULL, /* maybe --read-only */ |
3d7415f4 LP |
372 | NULL, /* maybe --dkr-index-url */ |
373 | NULL, /* the actual URL */ | |
374 | NULL, /* remote */ | |
375 | NULL, /* local */ | |
376 | NULL | |
377 | }; | |
b6e676ce | 378 | unsigned k = 0; |
3d7415f4 LP |
379 | |
380 | /* Child */ | |
381 | ||
382 | reset_all_signal_handlers(); | |
383 | reset_signal_mask(); | |
384 | assert_se(prctl(PR_SET_PDEATHSIG, SIGTERM) == 0); | |
385 | ||
386 | pipefd[0] = safe_close(pipefd[0]); | |
387 | ||
388 | if (dup2(pipefd[1], STDOUT_FILENO) != STDOUT_FILENO) { | |
389 | log_error_errno(errno, "Failed to dup2() fd: %m"); | |
390 | _exit(EXIT_FAILURE); | |
391 | } | |
392 | ||
393 | if (dup2(pipefd[1], STDERR_FILENO) != STDERR_FILENO) { | |
394 | log_error_errno(errno, "Failed to dup2() fd: %m"); | |
395 | _exit(EXIT_FAILURE); | |
396 | } | |
397 | ||
398 | if (pipefd[1] != STDOUT_FILENO && pipefd[1] != STDERR_FILENO) | |
399 | pipefd[1] = safe_close(pipefd[1]); | |
400 | ||
b6e676ce LP |
401 | if (t->stdin_fd >= 0) { |
402 | if (dup2(t->stdin_fd, STDIN_FILENO) != STDIN_FILENO) { | |
403 | log_error_errno(errno, "Failed to dup2() fd: %m"); | |
404 | _exit(EXIT_FAILURE); | |
405 | } | |
406 | ||
407 | if (t->stdin_fd != STDIN_FILENO) | |
408 | safe_close(t->stdin_fd); | |
409 | } else { | |
410 | int null_fd; | |
411 | ||
412 | null_fd = open("/dev/null", O_RDONLY|O_NOCTTY); | |
413 | if (null_fd < 0) { | |
414 | log_error_errno(errno, "Failed to open /dev/null: %m"); | |
415 | _exit(EXIT_FAILURE); | |
416 | } | |
417 | ||
418 | if (dup2(null_fd, STDIN_FILENO) != STDIN_FILENO) { | |
419 | log_error_errno(errno, "Failed to dup2() fd: %m"); | |
420 | _exit(EXIT_FAILURE); | |
421 | } | |
422 | ||
423 | if (null_fd != STDIN_FILENO) | |
424 | safe_close(null_fd); | |
3d7415f4 LP |
425 | } |
426 | ||
3d7415f4 LP |
427 | fd_cloexec(STDIN_FILENO, false); |
428 | fd_cloexec(STDOUT_FILENO, false); | |
429 | fd_cloexec(STDERR_FILENO, false); | |
430 | ||
7079cfef LP |
431 | setenv("SYSTEMD_LOG_TARGET", "console-prefixed", 1); |
432 | setenv("NOTIFY_SOCKET", "/run/systemd/import/notify", 1); | |
3d7415f4 | 433 | |
b6e676ce LP |
434 | if (IN_SET(t->type, TRANSFER_IMPORT_TAR, TRANSFER_IMPORT_RAW)) |
435 | cmd[k++] = SYSTEMD_IMPORT_PATH; | |
436 | else | |
437 | cmd[k++] = SYSTEMD_PULL_PATH; | |
438 | ||
439 | if (IN_SET(t->type, TRANSFER_IMPORT_TAR, TRANSFER_PULL_TAR)) | |
440 | cmd[k++] = "tar"; | |
441 | else if (IN_SET(t->type, TRANSFER_IMPORT_RAW, TRANSFER_PULL_RAW)) | |
442 | cmd[k++] = "raw"; | |
443 | else | |
444 | cmd[k++] = "dkr"; | |
445 | ||
446 | if (t->verify != _IMPORT_VERIFY_INVALID) { | |
447 | cmd[k++] = "--verify"; | |
448 | cmd[k++] = import_verify_to_string(t->verify); | |
449 | } | |
450 | ||
3d7415f4 LP |
451 | if (t->force_local) |
452 | cmd[k++] = "--force"; | |
b6e676ce LP |
453 | if (t->read_only) |
454 | cmd[k++] = "--read-only"; | |
3d7415f4 LP |
455 | |
456 | if (t->dkr_index_url) { | |
457 | cmd[k++] = "--dkr-index-url"; | |
458 | cmd[k++] = t->dkr_index_url; | |
459 | } | |
460 | ||
b6e676ce LP |
461 | if (t->remote) |
462 | cmd[k++] = t->remote; | |
463 | else | |
464 | cmd[k++] = "-"; | |
465 | ||
3d7415f4 LP |
466 | if (t->local) |
467 | cmd[k++] = t->local; | |
468 | cmd[k] = NULL; | |
469 | ||
b6e676ce LP |
470 | execv(cmd[0], (char * const *) cmd); |
471 | log_error_errno(errno, "Failed to execute %s tool: %m", cmd[0]); | |
3d7415f4 LP |
472 | _exit(EXIT_FAILURE); |
473 | } | |
474 | ||
475 | pipefd[1] = safe_close(pipefd[1]); | |
476 | t->log_fd = pipefd[0]; | |
477 | pipefd[0] = -1; | |
478 | ||
b6e676ce LP |
479 | t->stdin_fd = safe_close(t->stdin_fd); |
480 | ||
3d7415f4 LP |
481 | r = sd_event_add_child(t->manager->event, &t->pid_event_source, t->pid, WEXITED, transfer_on_pid, t); |
482 | if (r < 0) | |
483 | return r; | |
484 | ||
485 | r = sd_event_add_io(t->manager->event, &t->log_event_source, t->log_fd, EPOLLIN, transfer_on_log, t); | |
486 | if (r < 0) | |
487 | return r; | |
488 | ||
489 | /* Make sure always process logging before SIGCHLD */ | |
490 | r = sd_event_source_set_priority(t->log_event_source, SD_EVENT_PRIORITY_NORMAL -5); | |
491 | if (r < 0) | |
492 | return r; | |
493 | ||
494 | r = sd_bus_emit_signal( | |
495 | t->manager->bus, | |
496 | "/org/freedesktop/import1", | |
497 | "org.freedesktop.import1.Manager", | |
498 | "TransferNew", | |
499 | "uo", | |
500 | t->id, | |
501 | t->object_path); | |
502 | if (r < 0) | |
503 | return r; | |
504 | ||
505 | return 0; | |
506 | } | |
507 | ||
508 | static Manager *manager_unref(Manager *m) { | |
509 | Transfer *t; | |
510 | ||
511 | if (!m) | |
512 | return NULL; | |
513 | ||
7079cfef LP |
514 | sd_event_source_unref(m->notify_event_source); |
515 | safe_close(m->notify_fd); | |
516 | ||
3d7415f4 LP |
517 | while ((t = hashmap_first(m->transfers))) |
518 | transfer_unref(t); | |
519 | ||
520 | hashmap_free(m->transfers); | |
521 | ||
522 | bus_verify_polkit_async_registry_free(m->polkit_registry); | |
523 | ||
524 | sd_bus_close(m->bus); | |
525 | sd_bus_unref(m->bus); | |
526 | sd_event_unref(m->event); | |
527 | ||
528 | free(m); | |
529 | return NULL; | |
530 | } | |
531 | ||
532 | DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_unref); | |
533 | ||
7079cfef LP |
534 | static int manager_on_notify(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
535 | ||
536 | char buf[NOTIFY_BUFFER_MAX+1]; | |
537 | struct iovec iovec = { | |
538 | .iov_base = buf, | |
539 | .iov_len = sizeof(buf)-1, | |
540 | }; | |
541 | union { | |
542 | struct cmsghdr cmsghdr; | |
543 | uint8_t buf[CMSG_SPACE(sizeof(struct ucred)) + | |
544 | CMSG_SPACE(sizeof(int) * NOTIFY_FD_MAX)]; | |
545 | } control = {}; | |
546 | struct msghdr msghdr = { | |
547 | .msg_iov = &iovec, | |
548 | .msg_iovlen = 1, | |
549 | .msg_control = &control, | |
550 | .msg_controllen = sizeof(control), | |
551 | }; | |
552 | struct ucred *ucred = NULL; | |
553 | Manager *m = userdata; | |
554 | struct cmsghdr *cmsg; | |
555 | unsigned percent; | |
556 | char *p, *e; | |
557 | Transfer *t; | |
558 | Iterator i; | |
559 | ssize_t n; | |
560 | int r; | |
561 | ||
562 | n = recvmsg(fd, &msghdr, MSG_DONTWAIT|MSG_CMSG_CLOEXEC); | |
563 | if (n < 0) { | |
564 | if (errno == EAGAIN || errno == EINTR) | |
565 | return 0; | |
566 | ||
567 | return -errno; | |
568 | } | |
569 | ||
1c8da044 LP |
570 | cmsg_close_all(&msghdr); |
571 | ||
7079cfef | 572 | for (cmsg = CMSG_FIRSTHDR(&msghdr); cmsg; cmsg = CMSG_NXTHDR(&msghdr, cmsg)) { |
1c8da044 | 573 | if (cmsg->cmsg_level == SOL_SOCKET && |
7079cfef LP |
574 | cmsg->cmsg_type == SCM_CREDENTIALS && |
575 | cmsg->cmsg_len == CMSG_LEN(sizeof(struct ucred))) { | |
576 | ||
577 | ucred = (struct ucred*) CMSG_DATA(cmsg); | |
578 | } | |
579 | } | |
580 | ||
581 | if (msghdr.msg_flags & MSG_TRUNC) { | |
582 | log_warning("Got overly long notification datagram, ignoring."); | |
583 | return 0; | |
584 | } | |
585 | ||
586 | if (!ucred || ucred->pid <= 0) { | |
587 | log_warning("Got notification datagram lacking credential information, ignoring."); | |
588 | return 0; | |
589 | } | |
590 | ||
591 | HASHMAP_FOREACH(t, m->transfers, i) | |
592 | if (ucred->pid == t->pid) | |
593 | break; | |
594 | ||
595 | if (!t) { | |
596 | log_warning("Got notification datagram from unexpected peer, ignoring."); | |
597 | return 0; | |
598 | } | |
599 | ||
600 | buf[n] = 0; | |
601 | ||
602 | p = startswith(buf, "X_IMPORT_PROGRESS="); | |
603 | if (!p) { | |
604 | p = strstr(buf, "\nX_IMPORT_PROGRESS="); | |
605 | if (!p) | |
606 | return 0; | |
607 | ||
608 | p += 19; | |
609 | } | |
610 | ||
611 | e = strchrnul(p, '\n'); | |
612 | *e = 0; | |
613 | ||
614 | r = safe_atou(p, &percent); | |
615 | if (r < 0 || percent > 100) { | |
616 | log_warning("Got invalid percent value, ignoring."); | |
617 | return 0; | |
618 | } | |
619 | ||
620 | t->progress_percent = percent; | |
621 | ||
622 | log_debug("Got percentage from client: %u%%", percent); | |
623 | return 0; | |
624 | } | |
625 | ||
3d7415f4 LP |
626 | static int manager_new(Manager **ret) { |
627 | _cleanup_(manager_unrefp) Manager *m = NULL; | |
7079cfef LP |
628 | static const union sockaddr_union sa = { |
629 | .un.sun_family = AF_UNIX, | |
630 | .un.sun_path = "/run/systemd/import/notify", | |
631 | }; | |
632 | static const int one = 1; | |
3d7415f4 LP |
633 | int r; |
634 | ||
635 | assert(ret); | |
636 | ||
637 | m = new0(Manager, 1); | |
638 | if (!m) | |
639 | return -ENOMEM; | |
640 | ||
641 | r = sd_event_default(&m->event); | |
642 | if (r < 0) | |
643 | return r; | |
644 | ||
645 | sd_event_set_watchdog(m->event, true); | |
646 | ||
647 | r = sd_bus_default_system(&m->bus); | |
648 | if (r < 0) | |
649 | return r; | |
650 | ||
7079cfef LP |
651 | m->notify_fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0); |
652 | if (m->notify_fd < 0) | |
653 | return -errno; | |
654 | ||
655 | (void) mkdir_parents_label(sa.un.sun_path, 0755); | |
656 | (void) unlink(sa.un.sun_path); | |
657 | ||
658 | if (bind(m->notify_fd, &sa.sa, offsetof(union sockaddr_union, un.sun_path) + strlen(sa.un.sun_path)) < 0) | |
659 | return -errno; | |
660 | ||
661 | if (setsockopt(m->notify_fd, SOL_SOCKET, SO_PASSCRED, &one, sizeof(one)) < 0) | |
662 | return -errno; | |
663 | ||
664 | r = sd_event_add_io(m->event, &m->notify_event_source, m->notify_fd, EPOLLIN, manager_on_notify, m); | |
665 | if (r < 0) | |
666 | return r; | |
667 | ||
3d7415f4 LP |
668 | *ret = m; |
669 | m = NULL; | |
670 | ||
671 | return 0; | |
672 | } | |
673 | ||
674 | static Transfer *manager_find(Manager *m, TransferType type, const char *dkr_index_url, const char *remote) { | |
675 | Transfer *t; | |
676 | Iterator i; | |
677 | ||
678 | assert(m); | |
679 | assert(type >= 0); | |
680 | assert(type < _TRANSFER_TYPE_MAX); | |
681 | ||
682 | HASHMAP_FOREACH(t, m->transfers, i) { | |
683 | ||
684 | if (t->type == type && | |
685 | streq_ptr(t->remote, remote) && | |
686 | streq_ptr(t->dkr_index_url, dkr_index_url)) | |
687 | return t; | |
688 | } | |
689 | ||
690 | return NULL; | |
691 | } | |
692 | ||
b6e676ce LP |
693 | static int method_import_tar_or_raw(sd_bus *bus, sd_bus_message *msg, void *userdata, sd_bus_error *error) { |
694 | _cleanup_(transfer_unrefp) Transfer *t = NULL; | |
695 | int fd, force, read_only, r; | |
696 | const char *local, *object; | |
697 | Manager *m = userdata; | |
698 | TransferType type; | |
699 | uint32_t id; | |
700 | ||
701 | r = bus_verify_polkit_async( | |
702 | msg, | |
703 | CAP_SYS_ADMIN, | |
704 | "org.freedesktop.import1.import", | |
705 | false, | |
706 | UID_INVALID, | |
707 | &m->polkit_registry, | |
708 | error); | |
709 | if (r < 0) | |
710 | return r; | |
711 | if (r == 0) | |
712 | return 1; /* Will call us back */ | |
713 | ||
714 | r = sd_bus_message_read(msg, "hsbb", &fd, &local, &force, &read_only); | |
715 | if (r < 0) | |
716 | return r; | |
717 | ||
718 | if (!machine_name_is_valid(local)) | |
719 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Local name %s is invalid", local); | |
720 | ||
721 | r = setup_machine_directory((uint64_t) -1, error); | |
722 | if (r < 0) | |
723 | return r; | |
724 | ||
725 | type = streq_ptr(sd_bus_message_get_member(msg), "ImportTar") ? TRANSFER_IMPORT_TAR : TRANSFER_IMPORT_RAW; | |
726 | ||
727 | r = transfer_new(m, &t); | |
728 | if (r < 0) | |
729 | return r; | |
730 | ||
731 | t->type = type; | |
732 | t->force_local = force; | |
733 | t->read_only = read_only; | |
734 | ||
735 | t->local = strdup(local); | |
736 | if (!t->local) | |
737 | return -ENOMEM; | |
738 | ||
739 | t->stdin_fd = fcntl(fd, F_DUPFD_CLOEXEC, 3); | |
740 | if (t->stdin_fd < 0) | |
741 | return -errno; | |
742 | ||
743 | r = transfer_start(t); | |
744 | if (r < 0) | |
745 | return r; | |
746 | ||
747 | object = t->object_path; | |
748 | id = t->id; | |
749 | t = NULL; | |
750 | ||
751 | return sd_bus_reply_method_return(msg, "uo", id, object); | |
752 | } | |
753 | ||
3d7415f4 LP |
754 | static int method_pull_tar_or_raw(sd_bus *bus, sd_bus_message *msg, void *userdata, sd_bus_error *error) { |
755 | _cleanup_(transfer_unrefp) Transfer *t = NULL; | |
756 | const char *remote, *local, *verify, *object; | |
757 | Manager *m = userdata; | |
758 | ImportVerify v; | |
759 | TransferType type; | |
760 | int force, r; | |
761 | uint32_t id; | |
762 | ||
763 | assert(bus); | |
764 | assert(msg); | |
765 | assert(m); | |
766 | ||
767 | r = bus_verify_polkit_async( | |
768 | msg, | |
769 | CAP_SYS_ADMIN, | |
770 | "org.freedesktop.import1.pull", | |
771 | false, | |
c529695e | 772 | UID_INVALID, |
3d7415f4 LP |
773 | &m->polkit_registry, |
774 | error); | |
775 | if (r < 0) | |
776 | return r; | |
777 | if (r == 0) | |
778 | return 1; /* Will call us back */ | |
779 | ||
780 | r = sd_bus_message_read(msg, "sssb", &remote, &local, &verify, &force); | |
781 | if (r < 0) | |
782 | return r; | |
783 | ||
784 | if (!http_url_is_valid(remote)) | |
785 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "URL %s is invalid", remote); | |
786 | ||
787 | if (isempty(local)) | |
788 | local = NULL; | |
789 | else if (!machine_name_is_valid(local)) | |
790 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Local name %s is invalid", local); | |
791 | ||
792 | if (isempty(verify)) | |
793 | v = IMPORT_VERIFY_SIGNATURE; | |
794 | else | |
795 | v = import_verify_from_string(verify); | |
796 | if (v < 0) | |
797 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown verification mode %s", verify); | |
798 | ||
4cee5eed | 799 | r = setup_machine_directory((uint64_t) -1, error); |
ce06fdfb LP |
800 | if (r < 0) |
801 | return r; | |
802 | ||
b6e676ce | 803 | type = streq_ptr(sd_bus_message_get_member(msg), "PullTar") ? TRANSFER_PULL_TAR : TRANSFER_PULL_RAW; |
3d7415f4 LP |
804 | |
805 | if (manager_find(m, type, NULL, remote)) | |
806 | return sd_bus_error_setf(error, BUS_ERROR_TRANSFER_IN_PROGRESS, "Transfer for %s already in progress.", remote); | |
807 | ||
808 | r = transfer_new(m, &t); | |
809 | if (r < 0) | |
810 | return r; | |
811 | ||
812 | t->type = type; | |
813 | t->verify = v; | |
814 | t->force_local = force; | |
815 | ||
816 | t->remote = strdup(remote); | |
817 | if (!t->remote) | |
818 | return -ENOMEM; | |
819 | ||
b6e676ce LP |
820 | if (local) { |
821 | t->local = strdup(local); | |
822 | if (!t->local) | |
823 | return -ENOMEM; | |
824 | } | |
3d7415f4 LP |
825 | |
826 | r = transfer_start(t); | |
827 | if (r < 0) | |
828 | return r; | |
829 | ||
830 | object = t->object_path; | |
831 | id = t->id; | |
832 | t = NULL; | |
833 | ||
834 | return sd_bus_reply_method_return(msg, "uo", id, object); | |
835 | } | |
836 | ||
837 | static int method_pull_dkr(sd_bus *bus, sd_bus_message *msg, void *userdata, sd_bus_error *error) { | |
838 | _cleanup_(transfer_unrefp) Transfer *t = NULL; | |
839 | const char *index_url, *remote, *tag, *local, *verify, *object; | |
840 | Manager *m = userdata; | |
841 | ImportVerify v; | |
842 | int force, r; | |
843 | uint32_t id; | |
844 | ||
845 | assert(bus); | |
846 | assert(msg); | |
847 | assert(m); | |
848 | ||
849 | r = bus_verify_polkit_async( | |
850 | msg, | |
851 | CAP_SYS_ADMIN, | |
852 | "org.freedesktop.import1.pull", | |
853 | false, | |
c529695e | 854 | UID_INVALID, |
3d7415f4 LP |
855 | &m->polkit_registry, |
856 | error); | |
857 | if (r < 0) | |
858 | return r; | |
859 | if (r == 0) | |
860 | return 1; /* Will call us back */ | |
861 | ||
862 | r = sd_bus_message_read(msg, "sssssb", &index_url, &remote, &tag, &local, &verify, &force); | |
863 | if (r < 0) | |
864 | return r; | |
865 | ||
866 | if (isempty(index_url)) | |
867 | index_url = DEFAULT_DKR_INDEX_URL; | |
868 | if (!index_url) | |
869 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Index URL must be specified."); | |
870 | if (!http_url_is_valid(index_url)) | |
871 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Index URL %s is invalid", index_url); | |
872 | ||
873 | if (!dkr_name_is_valid(remote)) | |
874 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Remote name %s is not valid", remote); | |
875 | ||
876 | if (isempty(tag)) | |
877 | tag = "latest"; | |
878 | else if (!dkr_tag_is_valid(tag)) | |
879 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Tag %s is not valid", tag); | |
880 | ||
881 | if (isempty(local)) | |
882 | local = NULL; | |
883 | else if (!machine_name_is_valid(local)) | |
884 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Local name %s is invalid", local); | |
885 | ||
886 | if (isempty(verify)) | |
887 | v = IMPORT_VERIFY_SIGNATURE; | |
888 | else | |
889 | v = import_verify_from_string(verify); | |
890 | if (v < 0) | |
891 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown verification mode %s", verify); | |
892 | ||
893 | if (v != IMPORT_VERIFY_NO) | |
894 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "DKR does not support verification."); | |
895 | ||
4cee5eed | 896 | r = setup_machine_directory((uint64_t) -1, error); |
ce06fdfb LP |
897 | if (r < 0) |
898 | return r; | |
899 | ||
b6e676ce | 900 | if (manager_find(m, TRANSFER_PULL_DKR, index_url, remote)) |
3d7415f4 LP |
901 | return sd_bus_error_setf(error, BUS_ERROR_TRANSFER_IN_PROGRESS, "Transfer for %s already in progress.", remote); |
902 | ||
903 | r = transfer_new(m, &t); | |
904 | if (r < 0) | |
905 | return r; | |
906 | ||
b6e676ce | 907 | t->type = TRANSFER_PULL_DKR; |
3d7415f4 LP |
908 | t->verify = v; |
909 | t->force_local = force; | |
910 | ||
911 | t->dkr_index_url = strdup(index_url); | |
912 | if (!t->dkr_index_url) | |
913 | return -ENOMEM; | |
914 | ||
915 | t->remote = strjoin(remote, ":", tag, NULL); | |
916 | if (!t->remote) | |
917 | return -ENOMEM; | |
918 | ||
b6e676ce LP |
919 | if (local) { |
920 | t->local = strdup(local); | |
921 | if (!t->local) | |
922 | return -ENOMEM; | |
923 | } | |
3d7415f4 LP |
924 | |
925 | r = transfer_start(t); | |
926 | if (r < 0) | |
927 | return r; | |
928 | ||
929 | object = t->object_path; | |
930 | id = t->id; | |
931 | t = NULL; | |
932 | ||
933 | return sd_bus_reply_method_return(msg, "uo", id, object); | |
934 | } | |
935 | ||
936 | static int method_list_transfers(sd_bus *bus, sd_bus_message *msg, void *userdata, sd_bus_error *error) { | |
937 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
938 | Manager *m = userdata; | |
939 | Transfer *t; | |
940 | Iterator i; | |
941 | int r; | |
942 | ||
943 | assert(bus); | |
944 | assert(msg); | |
945 | assert(m); | |
946 | ||
947 | r = sd_bus_message_new_method_return(msg, &reply); | |
948 | if (r < 0) | |
949 | return r; | |
950 | ||
7079cfef | 951 | r = sd_bus_message_open_container(reply, 'a', "(usssdo)"); |
3d7415f4 LP |
952 | if (r < 0) |
953 | return r; | |
954 | ||
955 | HASHMAP_FOREACH(t, m->transfers, i) { | |
956 | ||
957 | r = sd_bus_message_append( | |
958 | reply, | |
7079cfef | 959 | "(usssdo)", |
3d7415f4 LP |
960 | t->id, |
961 | transfer_type_to_string(t->type), | |
962 | t->remote, | |
963 | t->local, | |
7079cfef | 964 | (double) t->progress_percent / 100.0, |
3d7415f4 LP |
965 | t->object_path); |
966 | if (r < 0) | |
967 | return r; | |
968 | } | |
969 | ||
970 | r = sd_bus_message_close_container(reply); | |
971 | if (r < 0) | |
972 | return r; | |
973 | ||
974 | return sd_bus_send(bus, reply, NULL); | |
975 | } | |
976 | ||
977 | static int method_cancel(sd_bus *bus, sd_bus_message *msg, void *userdata, sd_bus_error *error) { | |
978 | Transfer *t = userdata; | |
979 | int r; | |
980 | ||
981 | assert(bus); | |
982 | assert(msg); | |
983 | assert(t); | |
984 | ||
985 | r = bus_verify_polkit_async( | |
986 | msg, | |
987 | CAP_SYS_ADMIN, | |
988 | "org.freedesktop.import1.pull", | |
989 | false, | |
c529695e | 990 | UID_INVALID, |
3d7415f4 LP |
991 | &t->manager->polkit_registry, |
992 | error); | |
993 | if (r < 0) | |
994 | return r; | |
995 | if (r == 0) | |
996 | return 1; /* Will call us back */ | |
997 | ||
998 | r = transfer_cancel(t); | |
999 | if (r < 0) | |
1000 | return r; | |
1001 | ||
1002 | return sd_bus_reply_method_return(msg, NULL); | |
1003 | } | |
1004 | ||
1005 | static int method_cancel_transfer(sd_bus *bus, sd_bus_message *msg, void *userdata, sd_bus_error *error) { | |
1006 | Manager *m = userdata; | |
1007 | Transfer *t; | |
1008 | uint32_t id; | |
1009 | int r; | |
1010 | ||
1011 | assert(bus); | |
1012 | assert(msg); | |
1013 | assert(m); | |
1014 | ||
1015 | r = bus_verify_polkit_async( | |
1016 | msg, | |
1017 | CAP_SYS_ADMIN, | |
1018 | "org.freedesktop.import1.pull", | |
1019 | false, | |
c529695e | 1020 | UID_INVALID, |
3d7415f4 LP |
1021 | &m->polkit_registry, |
1022 | error); | |
1023 | if (r < 0) | |
1024 | return r; | |
1025 | if (r == 0) | |
1026 | return 1; /* Will call us back */ | |
1027 | ||
1028 | r = sd_bus_message_read(msg, "u", &id); | |
1029 | if (r < 0) | |
1030 | return r; | |
1031 | if (id <= 0) | |
1032 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid transfer id"); | |
1033 | ||
1034 | t = hashmap_get(m->transfers, UINT32_TO_PTR(id)); | |
1035 | if (!t) | |
09d46cfd | 1036 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_TRANSFER, "No transfer by id %" PRIu32, id); |
3d7415f4 LP |
1037 | |
1038 | r = transfer_cancel(t); | |
1039 | if (r < 0) | |
1040 | return r; | |
1041 | ||
1042 | return sd_bus_reply_method_return(msg, NULL); | |
1043 | } | |
1044 | ||
7079cfef LP |
1045 | static int property_get_progress( |
1046 | sd_bus *bus, | |
1047 | const char *path, | |
1048 | const char *interface, | |
1049 | const char *property, | |
1050 | sd_bus_message *reply, | |
1051 | void *userdata, | |
1052 | sd_bus_error *error) { | |
1053 | ||
1054 | Transfer *t = userdata; | |
1055 | ||
1056 | assert(bus); | |
1057 | assert(reply); | |
1058 | assert(t); | |
1059 | ||
1060 | return sd_bus_message_append(reply, "d", (double) t->progress_percent / 100.0); | |
1061 | } | |
1062 | ||
3d7415f4 LP |
1063 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_type, transfer_type, TransferType); |
1064 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_verify, import_verify, ImportVerify); | |
1065 | ||
1066 | static const sd_bus_vtable transfer_vtable[] = { | |
1067 | SD_BUS_VTABLE_START(0), | |
1068 | SD_BUS_PROPERTY("Id", "u", NULL, offsetof(Transfer, id), SD_BUS_VTABLE_PROPERTY_CONST), | |
1069 | SD_BUS_PROPERTY("Local", "s", NULL, offsetof(Transfer, local), SD_BUS_VTABLE_PROPERTY_CONST), | |
1070 | SD_BUS_PROPERTY("Remote", "s", NULL, offsetof(Transfer, remote), SD_BUS_VTABLE_PROPERTY_CONST), | |
1071 | SD_BUS_PROPERTY("Type", "s", property_get_type, offsetof(Transfer, type), SD_BUS_VTABLE_PROPERTY_CONST), | |
1072 | SD_BUS_PROPERTY("Verify", "s", property_get_verify, offsetof(Transfer, verify), SD_BUS_VTABLE_PROPERTY_CONST), | |
7079cfef | 1073 | SD_BUS_PROPERTY("Progress", "d", property_get_progress, 0, 0), |
3d7415f4 LP |
1074 | SD_BUS_METHOD("Cancel", NULL, NULL, method_cancel, SD_BUS_VTABLE_UNPRIVILEGED), |
1075 | SD_BUS_SIGNAL("LogMessage", "us", 0), | |
1076 | SD_BUS_VTABLE_END, | |
1077 | }; | |
1078 | ||
1079 | static const sd_bus_vtable manager_vtable[] = { | |
1080 | SD_BUS_VTABLE_START(0), | |
b6e676ce LP |
1081 | SD_BUS_METHOD("ImportTar", "hsbb", "uo", method_import_tar_or_raw, SD_BUS_VTABLE_UNPRIVILEGED), |
1082 | SD_BUS_METHOD("ImportRaw", "hsbb", "uo", method_import_tar_or_raw, SD_BUS_VTABLE_UNPRIVILEGED), | |
3d7415f4 LP |
1083 | SD_BUS_METHOD("PullTar", "sssb", "uo", method_pull_tar_or_raw, SD_BUS_VTABLE_UNPRIVILEGED), |
1084 | SD_BUS_METHOD("PullRaw", "sssb", "uo", method_pull_tar_or_raw, SD_BUS_VTABLE_UNPRIVILEGED), | |
1085 | SD_BUS_METHOD("PullDkr", "sssssb", "uo", method_pull_dkr, SD_BUS_VTABLE_UNPRIVILEGED), | |
7079cfef | 1086 | SD_BUS_METHOD("ListTransfers", NULL, "a(usssdo)", method_list_transfers, SD_BUS_VTABLE_UNPRIVILEGED), |
3d7415f4 LP |
1087 | SD_BUS_METHOD("CancelTransfer", "u", NULL, method_cancel_transfer, SD_BUS_VTABLE_UNPRIVILEGED), |
1088 | SD_BUS_SIGNAL("TransferNew", "uo", 0), | |
1089 | SD_BUS_SIGNAL("TransferRemoved", "uos", 0), | |
1090 | SD_BUS_VTABLE_END, | |
1091 | }; | |
1092 | ||
1093 | static int transfer_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { | |
1094 | Manager *m = userdata; | |
1095 | Transfer *t; | |
1096 | const char *p; | |
1097 | uint32_t id; | |
1098 | int r; | |
1099 | ||
1100 | assert(bus); | |
1101 | assert(path); | |
1102 | assert(interface); | |
1103 | assert(found); | |
1104 | assert(m); | |
1105 | ||
1106 | p = startswith(path, "/org/freedesktop/import1/transfer/_"); | |
1107 | if (!p) | |
1108 | return 0; | |
1109 | ||
1110 | r = safe_atou32(p, &id); | |
1111 | if (r < 0 || id == 0) | |
1112 | return 0; | |
1113 | ||
1114 | t = hashmap_get(m->transfers, UINT32_TO_PTR(id)); | |
1115 | if (!t) | |
1116 | return 0; | |
1117 | ||
1118 | *found = t; | |
1119 | return 1; | |
1120 | } | |
1121 | ||
1122 | static int transfer_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) { | |
1123 | _cleanup_strv_free_ char **l = NULL; | |
1124 | Manager *m = userdata; | |
1125 | Transfer *t; | |
1126 | unsigned k = 0; | |
1127 | Iterator i; | |
1128 | ||
1129 | l = new0(char*, hashmap_size(m->transfers) + 1); | |
1130 | if (!l) | |
1131 | return -ENOMEM; | |
1132 | ||
1133 | HASHMAP_FOREACH(t, m->transfers, i) { | |
1134 | ||
1135 | l[k] = strdup(t->object_path); | |
1136 | if (!l[k]) | |
1137 | return -ENOMEM; | |
1138 | ||
1139 | k++; | |
1140 | } | |
1141 | ||
1142 | *nodes = l; | |
1143 | l = NULL; | |
1144 | ||
1145 | return 1; | |
1146 | } | |
1147 | ||
1148 | static int manager_add_bus_objects(Manager *m) { | |
1149 | int r; | |
1150 | ||
1151 | assert(m); | |
1152 | ||
1153 | r = sd_bus_add_object_vtable(m->bus, NULL, "/org/freedesktop/import1", "org.freedesktop.import1.Manager", manager_vtable, m); | |
1154 | if (r < 0) | |
1155 | return log_error_errno(r, "Failed to register object: %m"); | |
1156 | ||
1157 | r = sd_bus_add_fallback_vtable(m->bus, NULL, "/org/freedesktop/import1/transfer", "org.freedesktop.import1.Transfer", transfer_vtable, transfer_object_find, m); | |
1158 | if (r < 0) | |
1159 | return log_error_errno(r, "Failed to register object: %m"); | |
1160 | ||
1161 | r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/import1/transfer", transfer_node_enumerator, m); | |
1162 | if (r < 0) | |
1163 | return log_error_errno(r, "Failed to add transfer enumerator: %m"); | |
1164 | ||
1165 | r = sd_bus_request_name(m->bus, "org.freedesktop.import1", 0); | |
1166 | if (r < 0) | |
1167 | return log_error_errno(r, "Failed to register name: %m"); | |
1168 | ||
1169 | r = sd_bus_attach_event(m->bus, m->event, 0); | |
1170 | if (r < 0) | |
1171 | return log_error_errno(r, "Failed to attach bus to event loop: %m"); | |
1172 | ||
1173 | return 0; | |
1174 | } | |
1175 | ||
1176 | static bool manager_check_idle(void *userdata) { | |
1177 | Manager *m = userdata; | |
1178 | ||
1179 | return hashmap_isempty(m->transfers); | |
1180 | } | |
1181 | ||
1182 | static int manager_run(Manager *m) { | |
1183 | assert(m); | |
1184 | ||
1185 | return bus_event_loop_with_idle( | |
1186 | m->event, | |
1187 | m->bus, | |
1188 | "org.freedesktop.import1", | |
1189 | DEFAULT_EXIT_USEC, | |
1190 | manager_check_idle, | |
1191 | m); | |
1192 | } | |
1193 | ||
1194 | int main(int argc, char *argv[]) { | |
1195 | _cleanup_(manager_unrefp) Manager *m = NULL; | |
1196 | int r; | |
1197 | ||
1198 | log_set_target(LOG_TARGET_AUTO); | |
1199 | log_parse_environment(); | |
1200 | log_open(); | |
1201 | ||
1202 | umask(0022); | |
1203 | ||
1204 | if (argc != 1) { | |
1205 | log_error("This program takes no arguments."); | |
1206 | r = -EINVAL; | |
1207 | goto finish; | |
1208 | } | |
1209 | ||
1210 | assert_se(sigprocmask_many(SIG_BLOCK, SIGCHLD, -1) >= 0); | |
1211 | ||
1212 | r = manager_new(&m); | |
1213 | if (r < 0) { | |
1214 | log_error_errno(r, "Failed to allocate manager object: %m"); | |
1215 | goto finish; | |
1216 | } | |
1217 | ||
1218 | r = manager_add_bus_objects(m); | |
1219 | if (r < 0) | |
1220 | goto finish; | |
1221 | ||
1222 | r = manager_run(m); | |
1223 | if (r < 0) { | |
1224 | log_error_errno(r, "Failed to run event loop: %m"); | |
1225 | goto finish; | |
1226 | } | |
1227 | ||
1228 | finish: | |
1229 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; | |
1230 | } |