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b012e921 MB |
1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
2 | ||
3 | #include <getopt.h> | |
4 | #include <unistd.h> | |
5 | ||
6 | #include "sd-daemon.h" | |
7 | ||
8 | #include "conf-parser.h" | |
6e866b33 | 9 | #include "daemon-util.h" |
b012e921 MB |
10 | #include "def.h" |
11 | #include "fd-util.h" | |
12 | #include "fileio.h" | |
13 | #include "journal-remote-write.h" | |
14 | #include "journal-remote.h" | |
6e866b33 MB |
15 | #include "main-func.h" |
16 | #include "pretty-print.h" | |
b012e921 | 17 | #include "process-util.h" |
6e866b33 | 18 | #include "rlimit-util.h" |
b012e921 MB |
19 | #include "signal-util.h" |
20 | #include "socket-util.h" | |
21 | #include "stat-util.h" | |
22 | #include "string-table.h" | |
23 | #include "strv.h" | |
24 | ||
25 | #define PRIV_KEY_FILE CERTIFICATE_ROOT "/private/journal-remote.pem" | |
26 | #define CERT_FILE CERTIFICATE_ROOT "/certs/journal-remote.pem" | |
27 | #define TRUST_FILE CERTIFICATE_ROOT "/ca/trusted.pem" | |
28 | ||
6e866b33 MB |
29 | static const char* arg_url = NULL; |
30 | static const char* arg_getter = NULL; | |
31 | static const char* arg_listen_raw = NULL; | |
32 | static const char* arg_listen_http = NULL; | |
33 | static const char* arg_listen_https = NULL; | |
34 | static char** arg_files = NULL; /* Do not free this. */ | |
b012e921 MB |
35 | static int arg_compress = true; |
36 | static int arg_seal = false; | |
37 | static int http_socket = -1, https_socket = -1; | |
38 | static char** arg_gnutls_log = NULL; | |
39 | ||
40 | static JournalWriteSplitMode arg_split_mode = _JOURNAL_WRITE_SPLIT_INVALID; | |
6e866b33 | 41 | static const char* arg_output = NULL; |
b012e921 MB |
42 | |
43 | static char *arg_key = NULL; | |
44 | static char *arg_cert = NULL; | |
45 | static char *arg_trust = NULL; | |
46 | static bool arg_trust_all = false; | |
47 | ||
6e866b33 MB |
48 | STATIC_DESTRUCTOR_REGISTER(arg_gnutls_log, strv_freep); |
49 | STATIC_DESTRUCTOR_REGISTER(arg_key, freep); | |
50 | STATIC_DESTRUCTOR_REGISTER(arg_cert, freep); | |
51 | STATIC_DESTRUCTOR_REGISTER(arg_trust, freep); | |
52 | ||
b012e921 MB |
53 | static const char* const journal_write_split_mode_table[_JOURNAL_WRITE_SPLIT_MAX] = { |
54 | [JOURNAL_WRITE_SPLIT_NONE] = "none", | |
55 | [JOURNAL_WRITE_SPLIT_HOST] = "host", | |
56 | }; | |
57 | ||
58 | DEFINE_PRIVATE_STRING_TABLE_LOOKUP(journal_write_split_mode, JournalWriteSplitMode); | |
59 | static DEFINE_CONFIG_PARSE_ENUM(config_parse_write_split_mode, | |
60 | journal_write_split_mode, | |
61 | JournalWriteSplitMode, | |
62 | "Failed to parse split mode setting"); | |
63 | ||
64 | /********************************************************************** | |
65 | ********************************************************************** | |
66 | **********************************************************************/ | |
67 | ||
68 | static int spawn_child(const char* child, char** argv) { | |
69 | pid_t child_pid; | |
70 | int fd[2], r; | |
71 | ||
72 | if (pipe(fd) < 0) | |
73 | return log_error_errno(errno, "Failed to create pager pipe: %m"); | |
74 | ||
75 | r = safe_fork("(remote)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_LOG, &child_pid); | |
76 | if (r < 0) { | |
77 | safe_close_pair(fd); | |
78 | return r; | |
79 | } | |
80 | ||
81 | /* In the child */ | |
82 | if (r == 0) { | |
83 | safe_close(fd[0]); | |
84 | ||
85 | r = rearrange_stdio(STDIN_FILENO, fd[1], STDERR_FILENO); | |
86 | if (r < 0) { | |
87 | log_error_errno(r, "Failed to dup pipe to stdout: %m"); | |
88 | _exit(EXIT_FAILURE); | |
89 | } | |
90 | ||
6e866b33 MB |
91 | (void) rlimit_nofile_safe(); |
92 | ||
b012e921 MB |
93 | execvp(child, argv); |
94 | log_error_errno(errno, "Failed to exec child %s: %m", child); | |
95 | _exit(EXIT_FAILURE); | |
96 | } | |
97 | ||
98 | safe_close(fd[1]); | |
99 | ||
100 | r = fd_nonblock(fd[0], true); | |
101 | if (r < 0) | |
102 | log_warning_errno(errno, "Failed to set child pipe to non-blocking: %m"); | |
103 | ||
104 | return fd[0]; | |
105 | } | |
106 | ||
107 | static int spawn_curl(const char* url) { | |
108 | char **argv = STRV_MAKE("curl", | |
109 | "-HAccept: application/vnd.fdo.journal", | |
110 | "--silent", | |
111 | "--show-error", | |
112 | url); | |
113 | int r; | |
114 | ||
115 | r = spawn_child("curl", argv); | |
116 | if (r < 0) | |
117 | log_error_errno(r, "Failed to spawn curl: %m"); | |
118 | return r; | |
119 | } | |
120 | ||
121 | static int spawn_getter(const char *getter) { | |
122 | int r; | |
123 | _cleanup_strv_free_ char **words = NULL; | |
124 | ||
125 | assert(getter); | |
126 | r = strv_split_extract(&words, getter, WHITESPACE, EXTRACT_QUOTES); | |
127 | if (r < 0) | |
128 | return log_error_errno(r, "Failed to split getter option: %m"); | |
129 | ||
130 | r = spawn_child(words[0], words); | |
131 | if (r < 0) | |
132 | log_error_errno(r, "Failed to spawn getter %s: %m", getter); | |
133 | ||
134 | return r; | |
135 | } | |
136 | ||
137 | /********************************************************************** | |
138 | ********************************************************************** | |
139 | **********************************************************************/ | |
140 | ||
141 | static int null_timer_event_handler(sd_event_source *s, | |
142 | uint64_t usec, | |
143 | void *userdata); | |
144 | static int dispatch_http_event(sd_event_source *event, | |
145 | int fd, | |
146 | uint32_t revents, | |
147 | void *userdata); | |
148 | ||
149 | static int request_meta(void **connection_cls, int fd, char *hostname) { | |
150 | RemoteSource *source; | |
151 | Writer *writer; | |
152 | int r; | |
153 | ||
154 | assert(connection_cls); | |
155 | if (*connection_cls) | |
156 | return 0; | |
157 | ||
158 | r = journal_remote_get_writer(journal_remote_server_global, hostname, &writer); | |
159 | if (r < 0) | |
160 | return log_warning_errno(r, "Failed to get writer for source %s: %m", | |
161 | hostname); | |
162 | ||
163 | source = source_new(fd, true, hostname, writer); | |
164 | if (!source) { | |
165 | writer_unref(writer); | |
166 | return log_oom(); | |
167 | } | |
168 | ||
169 | log_debug("Added RemoteSource as connection metadata %p", source); | |
170 | ||
171 | *connection_cls = source; | |
172 | return 0; | |
173 | } | |
174 | ||
175 | static void request_meta_free(void *cls, | |
176 | struct MHD_Connection *connection, | |
177 | void **connection_cls, | |
178 | enum MHD_RequestTerminationCode toe) { | |
179 | RemoteSource *s; | |
180 | ||
181 | assert(connection_cls); | |
182 | s = *connection_cls; | |
183 | ||
184 | if (s) { | |
185 | log_debug("Cleaning up connection metadata %p", s); | |
186 | source_free(s); | |
187 | *connection_cls = NULL; | |
188 | } | |
189 | } | |
190 | ||
191 | static int process_http_upload( | |
192 | struct MHD_Connection *connection, | |
193 | const char *upload_data, | |
194 | size_t *upload_data_size, | |
195 | RemoteSource *source) { | |
196 | ||
197 | bool finished = false; | |
198 | size_t remaining; | |
199 | int r; | |
200 | ||
201 | assert(source); | |
202 | ||
203 | log_trace("%s: connection %p, %zu bytes", | |
204 | __func__, connection, *upload_data_size); | |
205 | ||
206 | if (*upload_data_size) { | |
207 | log_trace("Received %zu bytes", *upload_data_size); | |
208 | ||
209 | r = journal_importer_push_data(&source->importer, | |
210 | upload_data, *upload_data_size); | |
211 | if (r < 0) | |
212 | return mhd_respond_oom(connection); | |
213 | ||
214 | *upload_data_size = 0; | |
215 | } else | |
216 | finished = true; | |
217 | ||
218 | for (;;) { | |
219 | r = process_source(source, | |
220 | journal_remote_server_global->compress, | |
221 | journal_remote_server_global->seal); | |
222 | if (r == -EAGAIN) | |
223 | break; | |
7c20daf6 FS |
224 | if (r < 0) { |
225 | if (r == -ENOBUFS) | |
226 | log_warning_errno(r, "Entry is above the maximum of %u, aborting connection %p.", | |
227 | DATA_SIZE_MAX, connection); | |
228 | else if (r == -E2BIG) | |
229 | log_warning_errno(r, "Entry with more fields than the maximum of %u, aborting connection %p.", | |
230 | ENTRY_FIELD_COUNT_MAX, connection); | |
b012e921 | 231 | else |
7c20daf6 FS |
232 | log_warning_errno(r, "Failed to process data, aborting connection %p: %m", |
233 | connection); | |
234 | return MHD_NO; | |
b012e921 MB |
235 | } |
236 | } | |
237 | ||
238 | if (!finished) | |
239 | return MHD_YES; | |
240 | ||
241 | /* The upload is finished */ | |
242 | ||
243 | remaining = journal_importer_bytes_remaining(&source->importer); | |
244 | if (remaining > 0) { | |
245 | log_warning("Premature EOF byte. %zu bytes lost.", remaining); | |
246 | return mhd_respondf(connection, | |
247 | 0, MHD_HTTP_EXPECTATION_FAILED, | |
248 | "Premature EOF. %zu bytes of trailing data not processed.", | |
249 | remaining); | |
250 | } | |
251 | ||
252 | return mhd_respond(connection, MHD_HTTP_ACCEPTED, "OK."); | |
253 | }; | |
254 | ||
255 | static int request_handler( | |
256 | void *cls, | |
257 | struct MHD_Connection *connection, | |
258 | const char *url, | |
259 | const char *method, | |
260 | const char *version, | |
261 | const char *upload_data, | |
262 | size_t *upload_data_size, | |
263 | void **connection_cls) { | |
264 | ||
265 | const char *header; | |
266 | int r, code, fd; | |
267 | _cleanup_free_ char *hostname = NULL; | |
bb4f798a | 268 | bool chunked = false; |
7c20daf6 | 269 | size_t len; |
b012e921 MB |
270 | |
271 | assert(connection); | |
272 | assert(connection_cls); | |
273 | assert(url); | |
274 | assert(method); | |
275 | ||
276 | log_trace("Handling a connection %s %s %s", method, url, version); | |
277 | ||
278 | if (*connection_cls) | |
279 | return process_http_upload(connection, | |
280 | upload_data, upload_data_size, | |
281 | *connection_cls); | |
282 | ||
283 | if (!streq(method, "POST")) | |
284 | return mhd_respond(connection, MHD_HTTP_NOT_ACCEPTABLE, "Unsupported method."); | |
285 | ||
286 | if (!streq(url, "/upload")) | |
287 | return mhd_respond(connection, MHD_HTTP_NOT_FOUND, "Not found."); | |
288 | ||
7c20daf6 | 289 | header = MHD_lookup_connection_value(connection, MHD_HEADER_KIND, "Content-Type"); |
b012e921 MB |
290 | if (!header || !streq(header, "application/vnd.fdo.journal")) |
291 | return mhd_respond(connection, MHD_HTTP_UNSUPPORTED_MEDIA_TYPE, | |
292 | "Content-Type: application/vnd.fdo.journal is required."); | |
293 | ||
bb4f798a MB |
294 | header = MHD_lookup_connection_value(connection, MHD_HEADER_KIND, "Transfer-Encoding"); |
295 | if (header) { | |
296 | if (!strcaseeq(header, "chunked")) | |
297 | return mhd_respondf(connection, 0, MHD_HTTP_BAD_REQUEST, | |
298 | "Unsupported Transfer-Encoding type: %s", header); | |
299 | ||
300 | chunked = true; | |
301 | } | |
302 | ||
7c20daf6 | 303 | header = MHD_lookup_connection_value(connection, MHD_HEADER_KIND, "Content-Length"); |
bb4f798a MB |
304 | if (header) { |
305 | if (chunked) | |
306 | return mhd_respond(connection, MHD_HTTP_BAD_REQUEST, | |
307 | "Content-Length must not specified when Transfer-Encoding type is 'chuncked'"); | |
308 | ||
309 | r = safe_atozu(header, &len); | |
310 | if (r < 0) | |
311 | return mhd_respondf(connection, r, MHD_HTTP_LENGTH_REQUIRED, | |
312 | "Content-Length: %s cannot be parsed: %m", header); | |
313 | ||
314 | if (len > ENTRY_SIZE_MAX) | |
315 | /* When serialized, an entry of maximum size might be slightly larger, | |
316 | * so this does not correspond exactly to the limit in journald. Oh well. | |
317 | */ | |
318 | return mhd_respondf(connection, 0, MHD_HTTP_PAYLOAD_TOO_LARGE, | |
319 | "Payload larger than maximum size of %u bytes", ENTRY_SIZE_MAX); | |
320 | } | |
7c20daf6 | 321 | |
b012e921 MB |
322 | { |
323 | const union MHD_ConnectionInfo *ci; | |
324 | ||
325 | ci = MHD_get_connection_info(connection, | |
326 | MHD_CONNECTION_INFO_CONNECTION_FD); | |
327 | if (!ci) { | |
328 | log_error("MHD_get_connection_info failed: cannot get remote fd"); | |
329 | return mhd_respond(connection, MHD_HTTP_INTERNAL_SERVER_ERROR, | |
330 | "Cannot check remote address."); | |
331 | } | |
332 | ||
333 | fd = ci->connect_fd; | |
334 | assert(fd >= 0); | |
335 | } | |
336 | ||
337 | if (journal_remote_server_global->check_trust) { | |
338 | r = check_permissions(connection, &code, &hostname); | |
339 | if (r < 0) | |
340 | return code; | |
341 | } else { | |
342 | r = getpeername_pretty(fd, false, &hostname); | |
343 | if (r < 0) | |
344 | return mhd_respond(connection, MHD_HTTP_INTERNAL_SERVER_ERROR, | |
345 | "Cannot check remote hostname."); | |
346 | } | |
347 | ||
348 | assert(hostname); | |
349 | ||
350 | r = request_meta(connection_cls, fd, hostname); | |
351 | if (r == -ENOMEM) | |
352 | return respond_oom(connection); | |
353 | else if (r < 0) | |
354 | return mhd_respondf(connection, r, MHD_HTTP_INTERNAL_SERVER_ERROR, "%m"); | |
355 | ||
356 | hostname = NULL; | |
357 | return MHD_YES; | |
358 | } | |
359 | ||
360 | static int setup_microhttpd_server(RemoteServer *s, | |
361 | int fd, | |
362 | const char *key, | |
363 | const char *cert, | |
364 | const char *trust) { | |
365 | struct MHD_OptionItem opts[] = { | |
366 | { MHD_OPTION_NOTIFY_COMPLETED, (intptr_t) request_meta_free}, | |
367 | { MHD_OPTION_EXTERNAL_LOGGER, (intptr_t) microhttpd_logger}, | |
368 | { MHD_OPTION_LISTEN_SOCKET, fd}, | |
369 | { MHD_OPTION_CONNECTION_MEMORY_LIMIT, 128*1024}, | |
370 | { MHD_OPTION_END}, | |
371 | { MHD_OPTION_END}, | |
372 | { MHD_OPTION_END}, | |
373 | { MHD_OPTION_END}, | |
374 | { MHD_OPTION_END}}; | |
375 | int opts_pos = 4; | |
376 | int flags = | |
377 | MHD_USE_DEBUG | | |
378 | MHD_USE_DUAL_STACK | | |
379 | MHD_USE_EPOLL | | |
380 | MHD_USE_ITC; | |
381 | ||
382 | const union MHD_DaemonInfo *info; | |
383 | int r, epoll_fd; | |
384 | MHDDaemonWrapper *d; | |
385 | ||
386 | assert(fd >= 0); | |
387 | ||
388 | r = fd_nonblock(fd, true); | |
389 | if (r < 0) | |
390 | return log_error_errno(r, "Failed to make fd:%d nonblocking: %m", fd); | |
391 | ||
392 | /* MHD_OPTION_STRICT_FOR_CLIENT is introduced in microhttpd 0.9.54, | |
393 | * and MHD_USE_PEDANTIC_CHECKS will be deprecated in future. | |
394 | * If MHD_USE_PEDANTIC_CHECKS is '#define'd, then it is deprecated | |
395 | * and we should use MHD_OPTION_STRICT_FOR_CLIENT. On the other hand, | |
396 | * if MHD_USE_PEDANTIC_CHECKS is not '#define'd, then it is not | |
397 | * deprecated yet and there exists an enum element with the same name. | |
398 | * So we can safely use it. */ | |
399 | #ifdef MHD_USE_PEDANTIC_CHECKS | |
400 | opts[opts_pos++] = (struct MHD_OptionItem) | |
401 | {MHD_OPTION_STRICT_FOR_CLIENT, 1}; | |
402 | #else | |
403 | flags |= MHD_USE_PEDANTIC_CHECKS; | |
404 | #endif | |
405 | ||
406 | if (key) { | |
407 | assert(cert); | |
408 | ||
409 | opts[opts_pos++] = (struct MHD_OptionItem) | |
410 | {MHD_OPTION_HTTPS_MEM_KEY, 0, (char*) key}; | |
411 | opts[opts_pos++] = (struct MHD_OptionItem) | |
412 | {MHD_OPTION_HTTPS_MEM_CERT, 0, (char*) cert}; | |
413 | ||
414 | flags |= MHD_USE_TLS; | |
415 | ||
416 | if (trust) | |
417 | opts[opts_pos++] = (struct MHD_OptionItem) | |
418 | {MHD_OPTION_HTTPS_MEM_TRUST, 0, (char*) trust}; | |
419 | } | |
420 | ||
421 | d = new(MHDDaemonWrapper, 1); | |
422 | if (!d) | |
423 | return log_oom(); | |
424 | ||
425 | d->fd = (uint64_t) fd; | |
426 | ||
427 | d->daemon = MHD_start_daemon(flags, 0, | |
428 | NULL, NULL, | |
429 | request_handler, NULL, | |
430 | MHD_OPTION_ARRAY, opts, | |
431 | MHD_OPTION_END); | |
432 | if (!d->daemon) { | |
433 | log_error("Failed to start µhttp daemon"); | |
434 | r = -EINVAL; | |
435 | goto error; | |
436 | } | |
437 | ||
438 | log_debug("Started MHD %s daemon on fd:%d (wrapper @ %p)", | |
439 | key ? "HTTPS" : "HTTP", fd, d); | |
440 | ||
441 | info = MHD_get_daemon_info(d->daemon, MHD_DAEMON_INFO_EPOLL_FD_LINUX_ONLY); | |
442 | if (!info) { | |
443 | log_error("µhttp returned NULL daemon info"); | |
444 | r = -EOPNOTSUPP; | |
445 | goto error; | |
446 | } | |
447 | ||
448 | epoll_fd = info->listen_fd; | |
449 | if (epoll_fd < 0) { | |
450 | log_error("µhttp epoll fd is invalid"); | |
451 | r = -EUCLEAN; | |
452 | goto error; | |
453 | } | |
454 | ||
455 | r = sd_event_add_io(s->events, &d->io_event, | |
456 | epoll_fd, EPOLLIN, | |
457 | dispatch_http_event, d); | |
458 | if (r < 0) { | |
459 | log_error_errno(r, "Failed to add event callback: %m"); | |
460 | goto error; | |
461 | } | |
462 | ||
463 | r = sd_event_source_set_description(d->io_event, "io_event"); | |
464 | if (r < 0) { | |
465 | log_error_errno(r, "Failed to set source name: %m"); | |
466 | goto error; | |
467 | } | |
468 | ||
469 | r = sd_event_add_time(s->events, &d->timer_event, | |
470 | CLOCK_MONOTONIC, (uint64_t) -1, 0, | |
471 | null_timer_event_handler, d); | |
472 | if (r < 0) { | |
473 | log_error_errno(r, "Failed to add timer_event: %m"); | |
474 | goto error; | |
475 | } | |
476 | ||
477 | r = sd_event_source_set_description(d->timer_event, "timer_event"); | |
478 | if (r < 0) { | |
479 | log_error_errno(r, "Failed to set source name: %m"); | |
480 | goto error; | |
481 | } | |
482 | ||
483 | r = hashmap_ensure_allocated(&s->daemons, &uint64_hash_ops); | |
484 | if (r < 0) { | |
485 | log_oom(); | |
486 | goto error; | |
487 | } | |
488 | ||
489 | r = hashmap_put(s->daemons, &d->fd, d); | |
490 | if (r < 0) { | |
491 | log_error_errno(r, "Failed to add daemon to hashmap: %m"); | |
492 | goto error; | |
493 | } | |
494 | ||
495 | s->active++; | |
496 | return 0; | |
497 | ||
498 | error: | |
499 | MHD_stop_daemon(d->daemon); | |
500 | free(d->daemon); | |
501 | free(d); | |
502 | return r; | |
503 | } | |
504 | ||
505 | static int setup_microhttpd_socket(RemoteServer *s, | |
506 | const char *address, | |
507 | const char *key, | |
508 | const char *cert, | |
509 | const char *trust) { | |
510 | int fd; | |
511 | ||
512 | fd = make_socket_fd(LOG_DEBUG, address, SOCK_STREAM, SOCK_CLOEXEC); | |
513 | if (fd < 0) | |
514 | return fd; | |
515 | ||
516 | return setup_microhttpd_server(s, fd, key, cert, trust); | |
517 | } | |
518 | ||
519 | static int null_timer_event_handler(sd_event_source *timer_event, | |
520 | uint64_t usec, | |
521 | void *userdata) { | |
522 | return dispatch_http_event(timer_event, 0, 0, userdata); | |
523 | } | |
524 | ||
525 | static int dispatch_http_event(sd_event_source *event, | |
526 | int fd, | |
527 | uint32_t revents, | |
528 | void *userdata) { | |
529 | MHDDaemonWrapper *d = userdata; | |
530 | int r; | |
531 | MHD_UNSIGNED_LONG_LONG timeout = ULONG_LONG_MAX; | |
532 | ||
533 | assert(d); | |
534 | ||
535 | r = MHD_run(d->daemon); | |
6e866b33 MB |
536 | if (r == MHD_NO) |
537 | // FIXME: unregister daemon | |
538 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
539 | "MHD_run failed!"); | |
b012e921 MB |
540 | if (MHD_get_timeout(d->daemon, &timeout) == MHD_NO) |
541 | timeout = ULONG_LONG_MAX; | |
542 | ||
543 | r = sd_event_source_set_time(d->timer_event, timeout); | |
544 | if (r < 0) { | |
545 | log_warning_errno(r, "Unable to set event loop timeout: %m, this may result in indefinite blocking!"); | |
546 | return 1; | |
547 | } | |
548 | ||
549 | r = sd_event_source_set_enabled(d->timer_event, SD_EVENT_ON); | |
550 | if (r < 0) | |
551 | log_warning_errno(r, "Unable to enable timer_event: %m, this may result in indefinite blocking!"); | |
552 | ||
553 | return 1; /* work to do */ | |
554 | } | |
555 | ||
556 | /********************************************************************** | |
557 | ********************************************************************** | |
558 | **********************************************************************/ | |
559 | ||
560 | static int setup_signals(RemoteServer *s) { | |
561 | int r; | |
562 | ||
563 | assert(s); | |
564 | ||
565 | assert_se(sigprocmask_many(SIG_SETMASK, NULL, SIGINT, SIGTERM, -1) >= 0); | |
566 | ||
567 | r = sd_event_add_signal(s->events, &s->sigterm_event, SIGTERM, NULL, s); | |
568 | if (r < 0) | |
569 | return r; | |
570 | ||
571 | r = sd_event_add_signal(s->events, &s->sigint_event, SIGINT, NULL, s); | |
572 | if (r < 0) | |
573 | return r; | |
574 | ||
575 | return 0; | |
576 | } | |
577 | ||
578 | static int setup_raw_socket(RemoteServer *s, const char *address) { | |
579 | int fd; | |
580 | ||
581 | fd = make_socket_fd(LOG_INFO, address, SOCK_STREAM, SOCK_CLOEXEC); | |
582 | if (fd < 0) | |
583 | return fd; | |
584 | ||
585 | return journal_remote_add_raw_socket(s, fd); | |
586 | } | |
587 | ||
588 | static int create_remoteserver( | |
589 | RemoteServer *s, | |
590 | const char* key, | |
591 | const char* cert, | |
592 | const char* trust) { | |
593 | ||
594 | int r, n, fd; | |
595 | char **file; | |
596 | ||
597 | r = journal_remote_server_init(s, arg_output, arg_split_mode, arg_compress, arg_seal); | |
598 | if (r < 0) | |
599 | return r; | |
600 | ||
6e866b33 MB |
601 | r = setup_signals(s); |
602 | if (r < 0) | |
603 | return log_error_errno(r, "Failed to set up signals: %m"); | |
b012e921 MB |
604 | |
605 | n = sd_listen_fds(true); | |
606 | if (n < 0) | |
607 | return log_error_errno(n, "Failed to read listening file descriptors from environment: %m"); | |
608 | else | |
609 | log_debug("Received %d descriptors", n); | |
610 | ||
6e866b33 MB |
611 | if (MAX(http_socket, https_socket) >= SD_LISTEN_FDS_START + n) |
612 | return log_error_errno(SYNTHETIC_ERRNO(EBADFD), | |
613 | "Received fewer sockets than expected"); | |
b012e921 MB |
614 | |
615 | for (fd = SD_LISTEN_FDS_START; fd < SD_LISTEN_FDS_START + n; fd++) { | |
616 | if (sd_is_socket(fd, AF_UNSPEC, 0, true)) { | |
617 | log_debug("Received a listening socket (fd:%d)", fd); | |
618 | ||
619 | if (fd == http_socket) | |
620 | r = setup_microhttpd_server(s, fd, NULL, NULL, NULL); | |
621 | else if (fd == https_socket) | |
622 | r = setup_microhttpd_server(s, fd, key, cert, trust); | |
623 | else | |
624 | r = journal_remote_add_raw_socket(s, fd); | |
625 | } else if (sd_is_socket(fd, AF_UNSPEC, 0, false)) { | |
626 | char *hostname; | |
627 | ||
628 | r = getpeername_pretty(fd, false, &hostname); | |
629 | if (r < 0) | |
630 | return log_error_errno(r, "Failed to retrieve remote name: %m"); | |
631 | ||
632 | log_debug("Received a connection socket (fd:%d) from %s", fd, hostname); | |
633 | ||
634 | r = journal_remote_add_source(s, fd, hostname, true); | |
6e866b33 MB |
635 | } else |
636 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
637 | "Unknown socket passed on fd:%d", fd); | |
b012e921 MB |
638 | |
639 | if (r < 0) | |
6e866b33 | 640 | return log_error_errno(r, "Failed to register socket (fd:%d): %m", fd); |
b012e921 MB |
641 | } |
642 | ||
643 | if (arg_getter) { | |
644 | log_info("Spawning getter %s...", arg_getter); | |
645 | fd = spawn_getter(arg_getter); | |
646 | if (fd < 0) | |
647 | return fd; | |
648 | ||
649 | r = journal_remote_add_source(s, fd, (char*) arg_output, false); | |
650 | if (r < 0) | |
651 | return r; | |
652 | } | |
653 | ||
654 | if (arg_url) { | |
6e866b33 | 655 | const char *url, *hostname; |
b012e921 MB |
656 | |
657 | if (!strstr(arg_url, "/entries")) { | |
658 | if (endswith(arg_url, "/")) | |
659 | url = strjoina(arg_url, "entries"); | |
660 | else | |
661 | url = strjoina(arg_url, "/entries"); | |
6e866b33 | 662 | } else |
b012e921 MB |
663 | url = strdupa(arg_url); |
664 | ||
665 | log_info("Spawning curl %s...", url); | |
666 | fd = spawn_curl(url); | |
667 | if (fd < 0) | |
668 | return fd; | |
669 | ||
6e866b33 MB |
670 | hostname = STARTSWITH_SET(arg_url, "https://", "http://"); |
671 | if (!hostname) | |
672 | hostname = arg_url; | |
b012e921 | 673 | |
6e866b33 | 674 | hostname = strndupa(hostname, strcspn(hostname, "/:")); |
b012e921 | 675 | |
6e866b33 | 676 | r = journal_remote_add_source(s, fd, (char *) hostname, false); |
b012e921 MB |
677 | if (r < 0) |
678 | return r; | |
679 | } | |
680 | ||
681 | if (arg_listen_raw) { | |
682 | log_debug("Listening on a socket..."); | |
683 | r = setup_raw_socket(s, arg_listen_raw); | |
684 | if (r < 0) | |
685 | return r; | |
686 | } | |
687 | ||
688 | if (arg_listen_http) { | |
689 | r = setup_microhttpd_socket(s, arg_listen_http, NULL, NULL, NULL); | |
690 | if (r < 0) | |
691 | return r; | |
692 | } | |
693 | ||
694 | if (arg_listen_https) { | |
695 | r = setup_microhttpd_socket(s, arg_listen_https, key, cert, trust); | |
696 | if (r < 0) | |
697 | return r; | |
698 | } | |
699 | ||
700 | STRV_FOREACH(file, arg_files) { | |
701 | const char *output_name; | |
702 | ||
703 | if (streq(*file, "-")) { | |
704 | log_debug("Using standard input as source."); | |
705 | ||
706 | fd = STDIN_FILENO; | |
707 | output_name = "stdin"; | |
708 | } else { | |
709 | log_debug("Reading file %s...", *file); | |
710 | ||
711 | fd = open(*file, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NONBLOCK); | |
712 | if (fd < 0) | |
713 | return log_error_errno(errno, "Failed to open %s: %m", *file); | |
714 | output_name = *file; | |
715 | } | |
716 | ||
717 | r = journal_remote_add_source(s, fd, (char*) output_name, false); | |
718 | if (r < 0) | |
719 | return r; | |
720 | } | |
721 | ||
6e866b33 MB |
722 | if (s->active == 0) |
723 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
724 | "Zero sources specified"); | |
b012e921 MB |
725 | |
726 | if (arg_split_mode == JOURNAL_WRITE_SPLIT_NONE) { | |
727 | /* In this case we know what the writer will be | |
728 | called, so we can create it and verify that we can | |
729 | create output as expected. */ | |
730 | r = journal_remote_get_writer(s, NULL, &s->_single_writer); | |
731 | if (r < 0) | |
732 | return r; | |
733 | } | |
734 | ||
735 | return 0; | |
736 | } | |
737 | ||
738 | static int negative_fd(const char *spec) { | |
739 | /* Return a non-positive number as its inverse, -EINVAL otherwise. */ | |
740 | ||
741 | int fd, r; | |
742 | ||
743 | r = safe_atoi(spec, &fd); | |
744 | if (r < 0) | |
745 | return r; | |
746 | ||
747 | if (fd > 0) | |
748 | return -EINVAL; | |
749 | else | |
750 | return -fd; | |
751 | } | |
752 | ||
753 | static int parse_config(void) { | |
754 | const ConfigTableItem items[] = { | |
755 | { "Remote", "Seal", config_parse_bool, 0, &arg_seal }, | |
756 | { "Remote", "SplitMode", config_parse_write_split_mode, 0, &arg_split_mode }, | |
757 | { "Remote", "ServerKeyFile", config_parse_path, 0, &arg_key }, | |
758 | { "Remote", "ServerCertificateFile", config_parse_path, 0, &arg_cert }, | |
759 | { "Remote", "TrustedCertificateFile", config_parse_path, 0, &arg_trust }, | |
6e866b33 MB |
760 | {} |
761 | }; | |
b012e921 MB |
762 | |
763 | return config_parse_many_nulstr(PKGSYSCONFDIR "/journal-remote.conf", | |
764 | CONF_PATHS_NULSTR("systemd/journal-remote.conf.d"), | |
765 | "Remote\0", config_item_table_lookup, items, | |
766 | CONFIG_PARSE_WARN, NULL); | |
767 | } | |
768 | ||
6e866b33 MB |
769 | static int help(void) { |
770 | _cleanup_free_ char *link = NULL; | |
771 | int r; | |
772 | ||
773 | r = terminal_urlify_man("systemd-journal-remote.service", "8", &link); | |
774 | if (r < 0) | |
775 | return log_oom(); | |
776 | ||
b012e921 MB |
777 | printf("%s [OPTIONS...] {FILE|-}...\n\n" |
778 | "Write external journal events to journal file(s).\n\n" | |
779 | " -h --help Show this help\n" | |
780 | " --version Show package version\n" | |
781 | " --url=URL Read events from systemd-journal-gatewayd at URL\n" | |
782 | " --getter=COMMAND Read events from the output of COMMAND\n" | |
783 | " --listen-raw=ADDR Listen for connections at ADDR\n" | |
784 | " --listen-http=ADDR Listen for HTTP connections at ADDR\n" | |
785 | " --listen-https=ADDR Listen for HTTPS connections at ADDR\n" | |
786 | " -o --output=FILE|DIR Write output to FILE or DIR/external-*.journal\n" | |
787 | " --compress[=BOOL] XZ-compress the output journal (default: yes)\n" | |
788 | " --seal[=BOOL] Use event sealing (default: no)\n" | |
789 | " --key=FILENAME SSL key in PEM format (default:\n" | |
790 | " \"" PRIV_KEY_FILE "\")\n" | |
791 | " --cert=FILENAME SSL certificate in PEM format (default:\n" | |
792 | " \"" CERT_FILE "\")\n" | |
793 | " --trust=FILENAME|all SSL CA certificate or disable checking (default:\n" | |
794 | " \"" TRUST_FILE "\")\n" | |
795 | " --gnutls-log=CATEGORY...\n" | |
796 | " Specify a list of gnutls logging categories\n" | |
797 | " --split-mode=none|host How many output files to create\n" | |
6e866b33 MB |
798 | "\nNote: file descriptors from sd_listen_fds() will be consumed, too.\n" |
799 | "\nSee the %s for details.\n" | |
800 | , program_invocation_short_name | |
801 | , link | |
802 | ); | |
803 | ||
804 | return 0; | |
b012e921 MB |
805 | } |
806 | ||
807 | static int parse_argv(int argc, char *argv[]) { | |
808 | enum { | |
809 | ARG_VERSION = 0x100, | |
810 | ARG_URL, | |
811 | ARG_LISTEN_RAW, | |
812 | ARG_LISTEN_HTTP, | |
813 | ARG_LISTEN_HTTPS, | |
814 | ARG_GETTER, | |
815 | ARG_SPLIT_MODE, | |
816 | ARG_COMPRESS, | |
817 | ARG_SEAL, | |
818 | ARG_KEY, | |
819 | ARG_CERT, | |
820 | ARG_TRUST, | |
821 | ARG_GNUTLS_LOG, | |
822 | }; | |
823 | ||
824 | static const struct option options[] = { | |
825 | { "help", no_argument, NULL, 'h' }, | |
826 | { "version", no_argument, NULL, ARG_VERSION }, | |
827 | { "url", required_argument, NULL, ARG_URL }, | |
828 | { "getter", required_argument, NULL, ARG_GETTER }, | |
829 | { "listen-raw", required_argument, NULL, ARG_LISTEN_RAW }, | |
830 | { "listen-http", required_argument, NULL, ARG_LISTEN_HTTP }, | |
831 | { "listen-https", required_argument, NULL, ARG_LISTEN_HTTPS }, | |
832 | { "output", required_argument, NULL, 'o' }, | |
833 | { "split-mode", required_argument, NULL, ARG_SPLIT_MODE }, | |
834 | { "compress", optional_argument, NULL, ARG_COMPRESS }, | |
835 | { "seal", optional_argument, NULL, ARG_SEAL }, | |
836 | { "key", required_argument, NULL, ARG_KEY }, | |
837 | { "cert", required_argument, NULL, ARG_CERT }, | |
838 | { "trust", required_argument, NULL, ARG_TRUST }, | |
839 | { "gnutls-log", required_argument, NULL, ARG_GNUTLS_LOG }, | |
840 | {} | |
841 | }; | |
842 | ||
843 | int c, r; | |
844 | bool type_a, type_b; | |
845 | ||
846 | assert(argc >= 0); | |
847 | assert(argv); | |
848 | ||
849 | while ((c = getopt_long(argc, argv, "ho:", options, NULL)) >= 0) | |
850 | switch(c) { | |
6e866b33 | 851 | |
b012e921 | 852 | case 'h': |
6e866b33 | 853 | return help(); |
b012e921 MB |
854 | |
855 | case ARG_VERSION: | |
856 | return version(); | |
857 | ||
858 | case ARG_URL: | |
6e866b33 MB |
859 | if (arg_url) |
860 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
861 | "cannot currently set more than one --url"); | |
b012e921 MB |
862 | |
863 | arg_url = optarg; | |
864 | break; | |
865 | ||
866 | case ARG_GETTER: | |
6e866b33 MB |
867 | if (arg_getter) |
868 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
869 | "cannot currently use --getter more than once"); | |
b012e921 MB |
870 | |
871 | arg_getter = optarg; | |
872 | break; | |
873 | ||
874 | case ARG_LISTEN_RAW: | |
6e866b33 MB |
875 | if (arg_listen_raw) |
876 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
877 | "cannot currently use --listen-raw more than once"); | |
b012e921 MB |
878 | |
879 | arg_listen_raw = optarg; | |
880 | break; | |
881 | ||
882 | case ARG_LISTEN_HTTP: | |
6e866b33 MB |
883 | if (arg_listen_http || http_socket >= 0) |
884 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
885 | "cannot currently use --listen-http more than once"); | |
b012e921 MB |
886 | |
887 | r = negative_fd(optarg); | |
888 | if (r >= 0) | |
889 | http_socket = r; | |
890 | else | |
891 | arg_listen_http = optarg; | |
892 | break; | |
893 | ||
894 | case ARG_LISTEN_HTTPS: | |
6e866b33 MB |
895 | if (arg_listen_https || https_socket >= 0) |
896 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
897 | "cannot currently use --listen-https more than once"); | |
b012e921 MB |
898 | |
899 | r = negative_fd(optarg); | |
900 | if (r >= 0) | |
901 | https_socket = r; | |
902 | else | |
903 | arg_listen_https = optarg; | |
904 | ||
905 | break; | |
906 | ||
907 | case ARG_KEY: | |
6e866b33 MB |
908 | if (arg_key) |
909 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
910 | "Key file specified twice"); | |
b012e921 MB |
911 | |
912 | arg_key = strdup(optarg); | |
913 | if (!arg_key) | |
914 | return log_oom(); | |
915 | ||
916 | break; | |
917 | ||
918 | case ARG_CERT: | |
6e866b33 MB |
919 | if (arg_cert) |
920 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
921 | "Certificate file specified twice"); | |
b012e921 MB |
922 | |
923 | arg_cert = strdup(optarg); | |
924 | if (!arg_cert) | |
925 | return log_oom(); | |
926 | ||
927 | break; | |
928 | ||
929 | case ARG_TRUST: | |
6e866b33 MB |
930 | if (arg_trust || arg_trust_all) |
931 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
932 | "Confusing trusted CA configuration"); | |
b012e921 MB |
933 | |
934 | if (streq(optarg, "all")) | |
935 | arg_trust_all = true; | |
936 | else { | |
937 | #if HAVE_GNUTLS | |
938 | arg_trust = strdup(optarg); | |
939 | if (!arg_trust) | |
940 | return log_oom(); | |
941 | #else | |
6e866b33 MB |
942 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
943 | "Option --trust is not available."); | |
b012e921 MB |
944 | #endif |
945 | } | |
946 | ||
947 | break; | |
948 | ||
949 | case 'o': | |
6e866b33 MB |
950 | if (arg_output) |
951 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
952 | "cannot use --output/-o more than once"); | |
b012e921 MB |
953 | |
954 | arg_output = optarg; | |
955 | break; | |
956 | ||
957 | case ARG_SPLIT_MODE: | |
958 | arg_split_mode = journal_write_split_mode_from_string(optarg); | |
6e866b33 MB |
959 | if (arg_split_mode == _JOURNAL_WRITE_SPLIT_INVALID) |
960 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
961 | "Invalid split mode: %s", optarg); | |
b012e921 MB |
962 | break; |
963 | ||
964 | case ARG_COMPRESS: | |
965 | if (optarg) { | |
966 | r = parse_boolean(optarg); | |
6e866b33 MB |
967 | if (r < 0) |
968 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
969 | "Failed to parse --compress= parameter."); | |
b012e921 MB |
970 | |
971 | arg_compress = !!r; | |
972 | } else | |
973 | arg_compress = true; | |
974 | ||
975 | break; | |
976 | ||
977 | case ARG_SEAL: | |
978 | if (optarg) { | |
979 | r = parse_boolean(optarg); | |
6e866b33 MB |
980 | if (r < 0) |
981 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
982 | "Failed to parse --seal= parameter."); | |
b012e921 MB |
983 | |
984 | arg_seal = !!r; | |
985 | } else | |
986 | arg_seal = true; | |
987 | ||
988 | break; | |
989 | ||
990 | case ARG_GNUTLS_LOG: { | |
991 | #if HAVE_GNUTLS | |
992 | const char* p = optarg; | |
993 | for (;;) { | |
994 | _cleanup_free_ char *word = NULL; | |
995 | ||
996 | r = extract_first_word(&p, &word, ",", 0); | |
997 | if (r < 0) | |
998 | return log_error_errno(r, "Failed to parse --gnutls-log= argument: %m"); | |
b012e921 MB |
999 | if (r == 0) |
1000 | break; | |
1001 | ||
1002 | if (strv_push(&arg_gnutls_log, word) < 0) | |
1003 | return log_oom(); | |
1004 | ||
1005 | word = NULL; | |
1006 | } | |
1007 | break; | |
1008 | #else | |
6e866b33 MB |
1009 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
1010 | "Option --gnutls-log is not available."); | |
b012e921 MB |
1011 | #endif |
1012 | } | |
1013 | ||
1014 | case '?': | |
1015 | return -EINVAL; | |
1016 | ||
1017 | default: | |
1018 | assert_not_reached("Unknown option code."); | |
1019 | } | |
1020 | ||
1021 | if (optind < argc) | |
1022 | arg_files = argv + optind; | |
1023 | ||
1024 | type_a = arg_getter || !strv_isempty(arg_files); | |
1025 | type_b = arg_url | |
1026 | || arg_listen_raw | |
1027 | || arg_listen_http || arg_listen_https | |
1028 | || sd_listen_fds(false) > 0; | |
6e866b33 MB |
1029 | if (type_a && type_b) |
1030 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1031 | "Cannot use file input or --getter with " | |
1032 | "--arg-listen-... or socket activation."); | |
b012e921 | 1033 | if (type_a) { |
6e866b33 MB |
1034 | if (!arg_output) |
1035 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1036 | "Option --output must be specified with file input or --getter."); | |
b012e921 | 1037 | |
6e866b33 MB |
1038 | if (!IN_SET(arg_split_mode, JOURNAL_WRITE_SPLIT_NONE, _JOURNAL_WRITE_SPLIT_INVALID)) |
1039 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1040 | "For active sources, only --split-mode=none is allowed."); | |
b012e921 MB |
1041 | |
1042 | arg_split_mode = JOURNAL_WRITE_SPLIT_NONE; | |
1043 | } | |
1044 | ||
1045 | if (arg_split_mode == _JOURNAL_WRITE_SPLIT_INVALID) | |
1046 | arg_split_mode = JOURNAL_WRITE_SPLIT_HOST; | |
1047 | ||
1048 | if (arg_split_mode == JOURNAL_WRITE_SPLIT_NONE && arg_output) { | |
6e866b33 MB |
1049 | if (is_dir(arg_output, true) > 0) |
1050 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1051 | "For SplitMode=none, output must be a file."); | |
1052 | if (!endswith(arg_output, ".journal")) | |
1053 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1054 | "For SplitMode=none, output file name must end with .journal."); | |
b012e921 MB |
1055 | } |
1056 | ||
1057 | if (arg_split_mode == JOURNAL_WRITE_SPLIT_HOST | |
6e866b33 MB |
1058 | && arg_output && is_dir(arg_output, true) <= 0) |
1059 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1060 | "For SplitMode=host, output must be a directory."); | |
b012e921 MB |
1061 | |
1062 | log_debug("Full config: SplitMode=%s Key=%s Cert=%s Trust=%s", | |
1063 | journal_write_split_mode_to_string(arg_split_mode), | |
1064 | strna(arg_key), | |
1065 | strna(arg_cert), | |
1066 | strna(arg_trust)); | |
1067 | ||
1068 | return 1 /* work to do */; | |
1069 | } | |
1070 | ||
1071 | static int load_certificates(char **key, char **cert, char **trust) { | |
1072 | int r; | |
1073 | ||
1074 | r = read_full_file(arg_key ?: PRIV_KEY_FILE, key, NULL); | |
1075 | if (r < 0) | |
1076 | return log_error_errno(r, "Failed to read key from file '%s': %m", | |
1077 | arg_key ?: PRIV_KEY_FILE); | |
1078 | ||
1079 | r = read_full_file(arg_cert ?: CERT_FILE, cert, NULL); | |
1080 | if (r < 0) | |
1081 | return log_error_errno(r, "Failed to read certificate from file '%s': %m", | |
1082 | arg_cert ?: CERT_FILE); | |
1083 | ||
1084 | if (arg_trust_all) | |
1085 | log_info("Certificate checking disabled."); | |
1086 | else { | |
1087 | r = read_full_file(arg_trust ?: TRUST_FILE, trust, NULL); | |
1088 | if (r < 0) | |
1089 | return log_error_errno(r, "Failed to read CA certificate file '%s': %m", | |
1090 | arg_trust ?: TRUST_FILE); | |
1091 | } | |
1092 | ||
6e866b33 MB |
1093 | if ((arg_listen_raw || arg_listen_http) && *trust) |
1094 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1095 | "Option --trust makes all non-HTTPS connections untrusted."); | |
b012e921 MB |
1096 | |
1097 | return 0; | |
1098 | } | |
1099 | ||
6e866b33 MB |
1100 | static int run(int argc, char **argv) { |
1101 | _cleanup_(notify_on_cleanup) const char *notify_message = NULL; | |
1102 | _cleanup_(journal_remote_server_destroy) RemoteServer s = {}; | |
b012e921 | 1103 | _cleanup_free_ char *key = NULL, *cert = NULL, *trust = NULL; |
6e866b33 | 1104 | int r; |
b012e921 MB |
1105 | |
1106 | log_show_color(true); | |
1107 | log_parse_environment(); | |
1108 | ||
6e866b33 MB |
1109 | /* The journal merging logic potentially needs a lot of fds. */ |
1110 | (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE); | |
1111 | ||
b012e921 MB |
1112 | r = parse_config(); |
1113 | if (r < 0) | |
6e866b33 | 1114 | return r; |
b012e921 MB |
1115 | |
1116 | r = parse_argv(argc, argv); | |
1117 | if (r <= 0) | |
6e866b33 | 1118 | return r; |
b012e921 MB |
1119 | |
1120 | if (arg_listen_http || arg_listen_https) { | |
1121 | r = setup_gnutls_logger(arg_gnutls_log); | |
1122 | if (r < 0) | |
6e866b33 | 1123 | return r; |
b012e921 MB |
1124 | } |
1125 | ||
6e866b33 MB |
1126 | if (arg_listen_https || https_socket >= 0) { |
1127 | r = load_certificates(&key, &cert, &trust); | |
1128 | if (r < 0) | |
1129 | return r; | |
1130 | ||
1131 | s.check_trust = !arg_trust_all; | |
1132 | } | |
b012e921 | 1133 | |
6e866b33 MB |
1134 | r = create_remoteserver(&s, key, cert, trust); |
1135 | if (r < 0) | |
1136 | return r; | |
b012e921 MB |
1137 | |
1138 | r = sd_event_set_watchdog(s.events, true); | |
1139 | if (r < 0) | |
6e866b33 MB |
1140 | return log_error_errno(r, "Failed to enable watchdog: %m"); |
1141 | ||
1142 | log_debug("Watchdog is %sd.", enable_disable(r > 0)); | |
b012e921 MB |
1143 | |
1144 | log_debug("%s running as pid "PID_FMT, | |
1145 | program_invocation_short_name, getpid_cached()); | |
6e866b33 MB |
1146 | |
1147 | notify_message = notify_start(NOTIFY_READY, NOTIFY_STOPPING); | |
b012e921 MB |
1148 | |
1149 | while (s.active) { | |
1150 | r = sd_event_get_state(s.events); | |
1151 | if (r < 0) | |
6e866b33 | 1152 | return r; |
b012e921 MB |
1153 | if (r == SD_EVENT_FINISHED) |
1154 | break; | |
1155 | ||
1156 | r = sd_event_run(s.events, -1); | |
6e866b33 MB |
1157 | if (r < 0) |
1158 | return log_error_errno(r, "Failed to run event loop: %m"); | |
b012e921 MB |
1159 | } |
1160 | ||
6e866b33 MB |
1161 | notify_message = NULL; |
1162 | (void) sd_notifyf(false, | |
1163 | "STOPPING=1\n" | |
1164 | "STATUS=Shutting down after writing %" PRIu64 " entries...", s.event_count); | |
b012e921 | 1165 | |
6e866b33 | 1166 | log_info("Finishing after writing %" PRIu64 " entries", s.event_count); |
b012e921 | 1167 | |
6e866b33 | 1168 | return 0; |
b012e921 | 1169 | } |
6e866b33 MB |
1170 | |
1171 | DEFINE_MAIN_FUNCTION(run); |