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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
c064d8db ZJS |
2 | |
3 | #include <getopt.h> | |
4 | #include <unistd.h> | |
5 | ||
6 | #include "sd-daemon.h" | |
7 | ||
8 | #include "conf-parser.h" | |
d8dd35fd | 9 | #include "daemon-util.h" |
c064d8db ZJS |
10 | #include "def.h" |
11 | #include "fd-util.h" | |
12 | #include "fileio.h" | |
13 | #include "journal-remote-write.h" | |
14 | #include "journal-remote.h" | |
d8dd35fd | 15 | #include "main-func.h" |
f362fe73 | 16 | #include "memory-util.h" |
9c7f2201 | 17 | #include "parse-argument.h" |
294bf0c3 | 18 | #include "pretty-print.h" |
c064d8db | 19 | #include "process-util.h" |
1abaf488 | 20 | #include "rlimit-util.h" |
c064d8db | 21 | #include "signal-util.h" |
5c3fa98d | 22 | #include "socket-netlink.h" |
c064d8db ZJS |
23 | #include "socket-util.h" |
24 | #include "stat-util.h" | |
25 | #include "string-table.h" | |
26 | #include "strv.h" | |
27 | ||
28 | #define PRIV_KEY_FILE CERTIFICATE_ROOT "/private/journal-remote.pem" | |
29 | #define CERT_FILE CERTIFICATE_ROOT "/certs/journal-remote.pem" | |
30 | #define TRUST_FILE CERTIFICATE_ROOT "/ca/trusted.pem" | |
31 | ||
d8dd35fd YW |
32 | static const char* arg_url = NULL; |
33 | static const char* arg_getter = NULL; | |
34 | static const char* arg_listen_raw = NULL; | |
35 | static const char* arg_listen_http = NULL; | |
36 | static const char* arg_listen_https = NULL; | |
37 | static char** arg_files = NULL; /* Do not free this. */ | |
9c7f2201 ZJS |
38 | static bool arg_compress = true; |
39 | static bool arg_seal = false; | |
c064d8db ZJS |
40 | static int http_socket = -1, https_socket = -1; |
41 | static char** arg_gnutls_log = NULL; | |
42 | ||
43 | static JournalWriteSplitMode arg_split_mode = _JOURNAL_WRITE_SPLIT_INVALID; | |
d8dd35fd | 44 | static const char* arg_output = NULL; |
c064d8db ZJS |
45 | |
46 | static char *arg_key = NULL; | |
47 | static char *arg_cert = NULL; | |
48 | static char *arg_trust = NULL; | |
49 | static bool arg_trust_all = false; | |
50 | ||
d8dd35fd YW |
51 | STATIC_DESTRUCTOR_REGISTER(arg_gnutls_log, strv_freep); |
52 | STATIC_DESTRUCTOR_REGISTER(arg_key, freep); | |
53 | STATIC_DESTRUCTOR_REGISTER(arg_cert, freep); | |
54 | STATIC_DESTRUCTOR_REGISTER(arg_trust, freep); | |
55 | ||
c064d8db ZJS |
56 | static const char* const journal_write_split_mode_table[_JOURNAL_WRITE_SPLIT_MAX] = { |
57 | [JOURNAL_WRITE_SPLIT_NONE] = "none", | |
58 | [JOURNAL_WRITE_SPLIT_HOST] = "host", | |
59 | }; | |
60 | ||
61 | DEFINE_PRIVATE_STRING_TABLE_LOOKUP(journal_write_split_mode, JournalWriteSplitMode); | |
62 | static DEFINE_CONFIG_PARSE_ENUM(config_parse_write_split_mode, | |
63 | journal_write_split_mode, | |
64 | JournalWriteSplitMode, | |
65 | "Failed to parse split mode setting"); | |
66 | ||
67 | /********************************************************************** | |
68 | ********************************************************************** | |
69 | **********************************************************************/ | |
70 | ||
71 | static int spawn_child(const char* child, char** argv) { | |
72 | pid_t child_pid; | |
73 | int fd[2], r; | |
74 | ||
75 | if (pipe(fd) < 0) | |
76 | return log_error_errno(errno, "Failed to create pager pipe: %m"); | |
77 | ||
78 | r = safe_fork("(remote)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_LOG, &child_pid); | |
79 | if (r < 0) { | |
80 | safe_close_pair(fd); | |
81 | return r; | |
82 | } | |
83 | ||
84 | /* In the child */ | |
85 | if (r == 0) { | |
aedec452 | 86 | fd[0] = safe_close(fd[0]); |
c064d8db | 87 | |
aedec452 | 88 | r = rearrange_stdio(STDIN_FILENO, TAKE_FD(fd[1]), STDERR_FILENO); |
c064d8db ZJS |
89 | if (r < 0) { |
90 | log_error_errno(r, "Failed to dup pipe to stdout: %m"); | |
91 | _exit(EXIT_FAILURE); | |
92 | } | |
93 | ||
595225af LP |
94 | (void) rlimit_nofile_safe(); |
95 | ||
c064d8db ZJS |
96 | execvp(child, argv); |
97 | log_error_errno(errno, "Failed to exec child %s: %m", child); | |
98 | _exit(EXIT_FAILURE); | |
99 | } | |
100 | ||
101 | safe_close(fd[1]); | |
102 | ||
103 | r = fd_nonblock(fd[0], true); | |
104 | if (r < 0) | |
105 | log_warning_errno(errno, "Failed to set child pipe to non-blocking: %m"); | |
106 | ||
107 | return fd[0]; | |
108 | } | |
109 | ||
110 | static int spawn_curl(const char* url) { | |
111 | char **argv = STRV_MAKE("curl", | |
112 | "-HAccept: application/vnd.fdo.journal", | |
113 | "--silent", | |
114 | "--show-error", | |
115 | url); | |
116 | int r; | |
117 | ||
118 | r = spawn_child("curl", argv); | |
119 | if (r < 0) | |
120 | log_error_errno(r, "Failed to spawn curl: %m"); | |
121 | return r; | |
122 | } | |
123 | ||
124 | static int spawn_getter(const char *getter) { | |
125 | int r; | |
126 | _cleanup_strv_free_ char **words = NULL; | |
127 | ||
128 | assert(getter); | |
90e30d76 | 129 | r = strv_split_full(&words, getter, WHITESPACE, EXTRACT_UNQUOTE); |
c064d8db ZJS |
130 | if (r < 0) |
131 | return log_error_errno(r, "Failed to split getter option: %m"); | |
132 | ||
133 | r = spawn_child(words[0], words); | |
134 | if (r < 0) | |
135 | log_error_errno(r, "Failed to spawn getter %s: %m", getter); | |
136 | ||
137 | return r; | |
138 | } | |
139 | ||
140 | /********************************************************************** | |
141 | ********************************************************************** | |
142 | **********************************************************************/ | |
143 | ||
144 | static int null_timer_event_handler(sd_event_source *s, | |
145 | uint64_t usec, | |
146 | void *userdata); | |
147 | static int dispatch_http_event(sd_event_source *event, | |
148 | int fd, | |
149 | uint32_t revents, | |
150 | void *userdata); | |
151 | ||
152 | static int request_meta(void **connection_cls, int fd, char *hostname) { | |
153 | RemoteSource *source; | |
154 | Writer *writer; | |
155 | int r; | |
156 | ||
157 | assert(connection_cls); | |
158 | if (*connection_cls) | |
159 | return 0; | |
160 | ||
161 | r = journal_remote_get_writer(journal_remote_server_global, hostname, &writer); | |
162 | if (r < 0) | |
163 | return log_warning_errno(r, "Failed to get writer for source %s: %m", | |
164 | hostname); | |
165 | ||
166 | source = source_new(fd, true, hostname, writer); | |
167 | if (!source) { | |
168 | writer_unref(writer); | |
169 | return log_oom(); | |
170 | } | |
171 | ||
172 | log_debug("Added RemoteSource as connection metadata %p", source); | |
173 | ||
174 | *connection_cls = source; | |
175 | return 0; | |
176 | } | |
177 | ||
178 | static void request_meta_free(void *cls, | |
179 | struct MHD_Connection *connection, | |
180 | void **connection_cls, | |
181 | enum MHD_RequestTerminationCode toe) { | |
182 | RemoteSource *s; | |
183 | ||
184 | assert(connection_cls); | |
185 | s = *connection_cls; | |
186 | ||
187 | if (s) { | |
188 | log_debug("Cleaning up connection metadata %p", s); | |
189 | source_free(s); | |
190 | *connection_cls = NULL; | |
191 | } | |
192 | } | |
193 | ||
194 | static int process_http_upload( | |
195 | struct MHD_Connection *connection, | |
196 | const char *upload_data, | |
197 | size_t *upload_data_size, | |
198 | RemoteSource *source) { | |
199 | ||
200 | bool finished = false; | |
201 | size_t remaining; | |
202 | int r; | |
203 | ||
204 | assert(source); | |
205 | ||
206 | log_trace("%s: connection %p, %zu bytes", | |
207 | __func__, connection, *upload_data_size); | |
208 | ||
209 | if (*upload_data_size) { | |
210 | log_trace("Received %zu bytes", *upload_data_size); | |
211 | ||
212 | r = journal_importer_push_data(&source->importer, | |
213 | upload_data, *upload_data_size); | |
214 | if (r < 0) | |
215 | return mhd_respond_oom(connection); | |
216 | ||
217 | *upload_data_size = 0; | |
218 | } else | |
219 | finished = true; | |
220 | ||
221 | for (;;) { | |
222 | r = process_source(source, | |
223 | journal_remote_server_global->compress, | |
224 | journal_remote_server_global->seal); | |
225 | if (r == -EAGAIN) | |
226 | break; | |
7fdb237f | 227 | if (r < 0) { |
ef4d6abe ZJS |
228 | if (r == -ENOBUFS) |
229 | log_warning_errno(r, "Entry is above the maximum of %u, aborting connection %p.", | |
7fdb237f | 230 | DATA_SIZE_MAX, connection); |
ef4d6abe ZJS |
231 | else if (r == -E2BIG) |
232 | log_warning_errno(r, "Entry with more fields than the maximum of %u, aborting connection %p.", | |
233 | ENTRY_FIELD_COUNT_MAX, connection); | |
c064d8db | 234 | else |
7fdb237f ZJS |
235 | log_warning_errno(r, "Failed to process data, aborting connection %p: %m", |
236 | connection); | |
237 | return MHD_NO; | |
c064d8db ZJS |
238 | } |
239 | } | |
240 | ||
241 | if (!finished) | |
242 | return MHD_YES; | |
243 | ||
244 | /* The upload is finished */ | |
245 | ||
246 | remaining = journal_importer_bytes_remaining(&source->importer); | |
247 | if (remaining > 0) { | |
248 | log_warning("Premature EOF byte. %zu bytes lost.", remaining); | |
249 | return mhd_respondf(connection, | |
250 | 0, MHD_HTTP_EXPECTATION_FAILED, | |
251 | "Premature EOF. %zu bytes of trailing data not processed.", | |
252 | remaining); | |
253 | } | |
254 | ||
255 | return mhd_respond(connection, MHD_HTTP_ACCEPTED, "OK."); | |
256 | }; | |
257 | ||
d17eabb1 | 258 | static mhd_result request_handler( |
c064d8db ZJS |
259 | void *cls, |
260 | struct MHD_Connection *connection, | |
261 | const char *url, | |
262 | const char *method, | |
263 | const char *version, | |
264 | const char *upload_data, | |
265 | size_t *upload_data_size, | |
266 | void **connection_cls) { | |
267 | ||
268 | const char *header; | |
269 | int r, code, fd; | |
270 | _cleanup_free_ char *hostname = NULL; | |
a289dfd6 | 271 | bool chunked = false; |
c064d8db ZJS |
272 | |
273 | assert(connection); | |
274 | assert(connection_cls); | |
275 | assert(url); | |
276 | assert(method); | |
277 | ||
278 | log_trace("Handling a connection %s %s %s", method, url, version); | |
279 | ||
280 | if (*connection_cls) | |
281 | return process_http_upload(connection, | |
282 | upload_data, upload_data_size, | |
283 | *connection_cls); | |
284 | ||
285 | if (!streq(method, "POST")) | |
286 | return mhd_respond(connection, MHD_HTTP_NOT_ACCEPTABLE, "Unsupported method."); | |
287 | ||
288 | if (!streq(url, "/upload")) | |
289 | return mhd_respond(connection, MHD_HTTP_NOT_FOUND, "Not found."); | |
290 | ||
7fdb237f | 291 | header = MHD_lookup_connection_value(connection, MHD_HEADER_KIND, "Content-Type"); |
c064d8db ZJS |
292 | if (!header || !streq(header, "application/vnd.fdo.journal")) |
293 | return mhd_respond(connection, MHD_HTTP_UNSUPPORTED_MEDIA_TYPE, | |
294 | "Content-Type: application/vnd.fdo.journal is required."); | |
295 | ||
a289dfd6 YW |
296 | header = MHD_lookup_connection_value(connection, MHD_HEADER_KIND, "Transfer-Encoding"); |
297 | if (header) { | |
298 | if (!strcaseeq(header, "chunked")) | |
299 | return mhd_respondf(connection, 0, MHD_HTTP_BAD_REQUEST, | |
300 | "Unsupported Transfer-Encoding type: %s", header); | |
301 | ||
302 | chunked = true; | |
303 | } | |
304 | ||
7fdb237f | 305 | header = MHD_lookup_connection_value(connection, MHD_HEADER_KIND, "Content-Length"); |
a289dfd6 | 306 | if (header) { |
ce2f4379 ZJS |
307 | size_t len; |
308 | ||
a289dfd6 YW |
309 | if (chunked) |
310 | return mhd_respond(connection, MHD_HTTP_BAD_REQUEST, | |
311 | "Content-Length must not specified when Transfer-Encoding type is 'chuncked'"); | |
312 | ||
313 | r = safe_atozu(header, &len); | |
314 | if (r < 0) | |
315 | return mhd_respondf(connection, r, MHD_HTTP_LENGTH_REQUIRED, | |
316 | "Content-Length: %s cannot be parsed: %m", header); | |
317 | ||
318 | if (len > ENTRY_SIZE_MAX) | |
319 | /* When serialized, an entry of maximum size might be slightly larger, | |
320 | * so this does not correspond exactly to the limit in journald. Oh well. | |
321 | */ | |
30df858f | 322 | return mhd_respondf(connection, 0, MHD_HTTP_CONTENT_TOO_LARGE, |
a289dfd6 YW |
323 | "Payload larger than maximum size of %u bytes", ENTRY_SIZE_MAX); |
324 | } | |
7fdb237f | 325 | |
c064d8db ZJS |
326 | { |
327 | const union MHD_ConnectionInfo *ci; | |
328 | ||
329 | ci = MHD_get_connection_info(connection, | |
330 | MHD_CONNECTION_INFO_CONNECTION_FD); | |
331 | if (!ci) { | |
332 | log_error("MHD_get_connection_info failed: cannot get remote fd"); | |
333 | return mhd_respond(connection, MHD_HTTP_INTERNAL_SERVER_ERROR, | |
334 | "Cannot check remote address."); | |
335 | } | |
336 | ||
337 | fd = ci->connect_fd; | |
338 | assert(fd >= 0); | |
339 | } | |
340 | ||
341 | if (journal_remote_server_global->check_trust) { | |
342 | r = check_permissions(connection, &code, &hostname); | |
343 | if (r < 0) | |
344 | return code; | |
345 | } else { | |
346 | r = getpeername_pretty(fd, false, &hostname); | |
347 | if (r < 0) | |
348 | return mhd_respond(connection, MHD_HTTP_INTERNAL_SERVER_ERROR, | |
349 | "Cannot check remote hostname."); | |
350 | } | |
351 | ||
352 | assert(hostname); | |
353 | ||
354 | r = request_meta(connection_cls, fd, hostname); | |
355 | if (r == -ENOMEM) | |
356 | return respond_oom(connection); | |
357 | else if (r < 0) | |
358 | return mhd_respondf(connection, r, MHD_HTTP_INTERNAL_SERVER_ERROR, "%m"); | |
359 | ||
360 | hostname = NULL; | |
361 | return MHD_YES; | |
362 | } | |
363 | ||
364 | static int setup_microhttpd_server(RemoteServer *s, | |
365 | int fd, | |
366 | const char *key, | |
367 | const char *cert, | |
368 | const char *trust) { | |
369 | struct MHD_OptionItem opts[] = { | |
370 | { MHD_OPTION_NOTIFY_COMPLETED, (intptr_t) request_meta_free}, | |
371 | { MHD_OPTION_EXTERNAL_LOGGER, (intptr_t) microhttpd_logger}, | |
372 | { MHD_OPTION_LISTEN_SOCKET, fd}, | |
373 | { MHD_OPTION_CONNECTION_MEMORY_LIMIT, 128*1024}, | |
374 | { MHD_OPTION_END}, | |
375 | { MHD_OPTION_END}, | |
376 | { MHD_OPTION_END}, | |
377 | { MHD_OPTION_END}, | |
378 | { MHD_OPTION_END}}; | |
379 | int opts_pos = 4; | |
380 | int flags = | |
381 | MHD_USE_DEBUG | | |
382 | MHD_USE_DUAL_STACK | | |
383 | MHD_USE_EPOLL | | |
384 | MHD_USE_ITC; | |
385 | ||
386 | const union MHD_DaemonInfo *info; | |
387 | int r, epoll_fd; | |
388 | MHDDaemonWrapper *d; | |
389 | ||
390 | assert(fd >= 0); | |
391 | ||
392 | r = fd_nonblock(fd, true); | |
393 | if (r < 0) | |
394 | return log_error_errno(r, "Failed to make fd:%d nonblocking: %m", fd); | |
395 | ||
396 | /* MHD_OPTION_STRICT_FOR_CLIENT is introduced in microhttpd 0.9.54, | |
397 | * and MHD_USE_PEDANTIC_CHECKS will be deprecated in future. | |
398 | * If MHD_USE_PEDANTIC_CHECKS is '#define'd, then it is deprecated | |
399 | * and we should use MHD_OPTION_STRICT_FOR_CLIENT. On the other hand, | |
400 | * if MHD_USE_PEDANTIC_CHECKS is not '#define'd, then it is not | |
401 | * deprecated yet and there exists an enum element with the same name. | |
402 | * So we can safely use it. */ | |
403 | #ifdef MHD_USE_PEDANTIC_CHECKS | |
404 | opts[opts_pos++] = (struct MHD_OptionItem) | |
405 | {MHD_OPTION_STRICT_FOR_CLIENT, 1}; | |
406 | #else | |
407 | flags |= MHD_USE_PEDANTIC_CHECKS; | |
408 | #endif | |
409 | ||
410 | if (key) { | |
411 | assert(cert); | |
412 | ||
413 | opts[opts_pos++] = (struct MHD_OptionItem) | |
414 | {MHD_OPTION_HTTPS_MEM_KEY, 0, (char*) key}; | |
415 | opts[opts_pos++] = (struct MHD_OptionItem) | |
416 | {MHD_OPTION_HTTPS_MEM_CERT, 0, (char*) cert}; | |
417 | ||
418 | flags |= MHD_USE_TLS; | |
419 | ||
420 | if (trust) | |
421 | opts[opts_pos++] = (struct MHD_OptionItem) | |
422 | {MHD_OPTION_HTTPS_MEM_TRUST, 0, (char*) trust}; | |
423 | } | |
424 | ||
425 | d = new(MHDDaemonWrapper, 1); | |
426 | if (!d) | |
427 | return log_oom(); | |
428 | ||
429 | d->fd = (uint64_t) fd; | |
430 | ||
431 | d->daemon = MHD_start_daemon(flags, 0, | |
432 | NULL, NULL, | |
433 | request_handler, NULL, | |
434 | MHD_OPTION_ARRAY, opts, | |
435 | MHD_OPTION_END); | |
436 | if (!d->daemon) { | |
437 | log_error("Failed to start µhttp daemon"); | |
438 | r = -EINVAL; | |
439 | goto error; | |
440 | } | |
441 | ||
442 | log_debug("Started MHD %s daemon on fd:%d (wrapper @ %p)", | |
443 | key ? "HTTPS" : "HTTP", fd, d); | |
444 | ||
445 | info = MHD_get_daemon_info(d->daemon, MHD_DAEMON_INFO_EPOLL_FD_LINUX_ONLY); | |
446 | if (!info) { | |
447 | log_error("µhttp returned NULL daemon info"); | |
448 | r = -EOPNOTSUPP; | |
449 | goto error; | |
450 | } | |
451 | ||
452 | epoll_fd = info->listen_fd; | |
453 | if (epoll_fd < 0) { | |
454 | log_error("µhttp epoll fd is invalid"); | |
455 | r = -EUCLEAN; | |
456 | goto error; | |
457 | } | |
458 | ||
459 | r = sd_event_add_io(s->events, &d->io_event, | |
460 | epoll_fd, EPOLLIN, | |
461 | dispatch_http_event, d); | |
462 | if (r < 0) { | |
463 | log_error_errno(r, "Failed to add event callback: %m"); | |
464 | goto error; | |
465 | } | |
466 | ||
467 | r = sd_event_source_set_description(d->io_event, "io_event"); | |
468 | if (r < 0) { | |
469 | log_error_errno(r, "Failed to set source name: %m"); | |
470 | goto error; | |
471 | } | |
472 | ||
473 | r = sd_event_add_time(s->events, &d->timer_event, | |
f5fbe71d | 474 | CLOCK_MONOTONIC, UINT64_MAX, 0, |
c064d8db ZJS |
475 | null_timer_event_handler, d); |
476 | if (r < 0) { | |
477 | log_error_errno(r, "Failed to add timer_event: %m"); | |
478 | goto error; | |
479 | } | |
480 | ||
481 | r = sd_event_source_set_description(d->timer_event, "timer_event"); | |
482 | if (r < 0) { | |
483 | log_error_errno(r, "Failed to set source name: %m"); | |
484 | goto error; | |
485 | } | |
486 | ||
4bc25168 SS |
487 | r = hashmap_ensure_put(&s->daemons, &uint64_hash_ops, &d->fd, d); |
488 | if (r == -ENOMEM) { | |
c064d8db ZJS |
489 | log_oom(); |
490 | goto error; | |
491 | } | |
c064d8db ZJS |
492 | if (r < 0) { |
493 | log_error_errno(r, "Failed to add daemon to hashmap: %m"); | |
494 | goto error; | |
495 | } | |
496 | ||
497 | s->active++; | |
498 | return 0; | |
499 | ||
500 | error: | |
501 | MHD_stop_daemon(d->daemon); | |
502 | free(d->daemon); | |
503 | free(d); | |
504 | return r; | |
505 | } | |
506 | ||
507 | static int setup_microhttpd_socket(RemoteServer *s, | |
508 | const char *address, | |
509 | const char *key, | |
510 | const char *cert, | |
511 | const char *trust) { | |
512 | int fd; | |
513 | ||
514 | fd = make_socket_fd(LOG_DEBUG, address, SOCK_STREAM, SOCK_CLOEXEC); | |
515 | if (fd < 0) | |
516 | return fd; | |
517 | ||
518 | return setup_microhttpd_server(s, fd, key, cert, trust); | |
519 | } | |
520 | ||
521 | static int null_timer_event_handler(sd_event_source *timer_event, | |
522 | uint64_t usec, | |
523 | void *userdata) { | |
524 | return dispatch_http_event(timer_event, 0, 0, userdata); | |
525 | } | |
526 | ||
527 | static int dispatch_http_event(sd_event_source *event, | |
528 | int fd, | |
529 | uint32_t revents, | |
530 | void *userdata) { | |
531 | MHDDaemonWrapper *d = userdata; | |
532 | int r; | |
8a8e84d2 | 533 | MHD_UNSIGNED_LONG_LONG timeout = ULLONG_MAX; |
c064d8db ZJS |
534 | |
535 | assert(d); | |
536 | ||
537 | r = MHD_run(d->daemon); | |
baaa35ad ZJS |
538 | if (r == MHD_NO) |
539 | // FIXME: unregister daemon | |
540 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
541 | "MHD_run failed!"); | |
c064d8db | 542 | if (MHD_get_timeout(d->daemon, &timeout) == MHD_NO) |
8a8e84d2 | 543 | timeout = ULLONG_MAX; |
c064d8db ZJS |
544 | |
545 | r = sd_event_source_set_time(d->timer_event, timeout); | |
546 | if (r < 0) { | |
547 | log_warning_errno(r, "Unable to set event loop timeout: %m, this may result in indefinite blocking!"); | |
548 | return 1; | |
549 | } | |
550 | ||
551 | r = sd_event_source_set_enabled(d->timer_event, SD_EVENT_ON); | |
552 | if (r < 0) | |
553 | log_warning_errno(r, "Unable to enable timer_event: %m, this may result in indefinite blocking!"); | |
554 | ||
555 | return 1; /* work to do */ | |
556 | } | |
557 | ||
558 | /********************************************************************** | |
559 | ********************************************************************** | |
560 | **********************************************************************/ | |
561 | ||
562 | static int setup_signals(RemoteServer *s) { | |
563 | int r; | |
564 | ||
565 | assert(s); | |
566 | ||
567 | assert_se(sigprocmask_many(SIG_SETMASK, NULL, SIGINT, SIGTERM, -1) >= 0); | |
568 | ||
569 | r = sd_event_add_signal(s->events, &s->sigterm_event, SIGTERM, NULL, s); | |
570 | if (r < 0) | |
571 | return r; | |
572 | ||
573 | r = sd_event_add_signal(s->events, &s->sigint_event, SIGINT, NULL, s); | |
574 | if (r < 0) | |
575 | return r; | |
576 | ||
577 | return 0; | |
578 | } | |
579 | ||
580 | static int setup_raw_socket(RemoteServer *s, const char *address) { | |
581 | int fd; | |
582 | ||
583 | fd = make_socket_fd(LOG_INFO, address, SOCK_STREAM, SOCK_CLOEXEC); | |
584 | if (fd < 0) | |
585 | return fd; | |
586 | ||
587 | return journal_remote_add_raw_socket(s, fd); | |
588 | } | |
589 | ||
590 | static int create_remoteserver( | |
591 | RemoteServer *s, | |
592 | const char* key, | |
593 | const char* cert, | |
594 | const char* trust) { | |
595 | ||
596 | int r, n, fd; | |
c064d8db ZJS |
597 | |
598 | r = journal_remote_server_init(s, arg_output, arg_split_mode, arg_compress, arg_seal); | |
599 | if (r < 0) | |
600 | return r; | |
601 | ||
83a43339 LP |
602 | r = setup_signals(s); |
603 | if (r < 0) | |
604 | return log_error_errno(r, "Failed to set up signals: %m"); | |
c064d8db ZJS |
605 | |
606 | n = sd_listen_fds(true); | |
607 | if (n < 0) | |
608 | return log_error_errno(n, "Failed to read listening file descriptors from environment: %m"); | |
609 | else | |
610 | log_debug("Received %d descriptors", n); | |
611 | ||
baaa35ad ZJS |
612 | if (MAX(http_socket, https_socket) >= SD_LISTEN_FDS_START + n) |
613 | return log_error_errno(SYNTHETIC_ERRNO(EBADFD), | |
614 | "Received fewer sockets than expected"); | |
c064d8db ZJS |
615 | |
616 | for (fd = SD_LISTEN_FDS_START; fd < SD_LISTEN_FDS_START + n; fd++) { | |
617 | if (sd_is_socket(fd, AF_UNSPEC, 0, true)) { | |
618 | log_debug("Received a listening socket (fd:%d)", fd); | |
619 | ||
620 | if (fd == http_socket) | |
621 | r = setup_microhttpd_server(s, fd, NULL, NULL, NULL); | |
622 | else if (fd == https_socket) | |
623 | r = setup_microhttpd_server(s, fd, key, cert, trust); | |
624 | else | |
625 | r = journal_remote_add_raw_socket(s, fd); | |
626 | } else if (sd_is_socket(fd, AF_UNSPEC, 0, false)) { | |
627 | char *hostname; | |
628 | ||
629 | r = getpeername_pretty(fd, false, &hostname); | |
630 | if (r < 0) | |
631 | return log_error_errno(r, "Failed to retrieve remote name: %m"); | |
632 | ||
633 | log_debug("Received a connection socket (fd:%d) from %s", fd, hostname); | |
634 | ||
635 | r = journal_remote_add_source(s, fd, hostname, true); | |
baaa35ad ZJS |
636 | } else |
637 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
638 | "Unknown socket passed on fd:%d", fd); | |
c064d8db ZJS |
639 | |
640 | if (r < 0) | |
baaa35ad | 641 | return log_error_errno(r, "Failed to register socket (fd:%d): %m", fd); |
c064d8db ZJS |
642 | } |
643 | ||
644 | if (arg_getter) { | |
645 | log_info("Spawning getter %s...", arg_getter); | |
646 | fd = spawn_getter(arg_getter); | |
647 | if (fd < 0) | |
648 | return fd; | |
649 | ||
650 | r = journal_remote_add_source(s, fd, (char*) arg_output, false); | |
651 | if (r < 0) | |
652 | return r; | |
653 | } | |
654 | ||
655 | if (arg_url) { | |
d8dd35fd | 656 | const char *url, *hostname; |
c064d8db ZJS |
657 | |
658 | if (!strstr(arg_url, "/entries")) { | |
659 | if (endswith(arg_url, "/")) | |
660 | url = strjoina(arg_url, "entries"); | |
661 | else | |
662 | url = strjoina(arg_url, "/entries"); | |
15d121b0 | 663 | } else |
2f82562b | 664 | url = strdupa_safe(arg_url); |
c064d8db ZJS |
665 | |
666 | log_info("Spawning curl %s...", url); | |
667 | fd = spawn_curl(url); | |
668 | if (fd < 0) | |
669 | return fd; | |
670 | ||
49fe5c09 LP |
671 | hostname = STARTSWITH_SET(arg_url, "https://", "http://"); |
672 | if (!hostname) | |
673 | hostname = arg_url; | |
c064d8db | 674 | |
2f82562b | 675 | hostname = strndupa_safe(hostname, strcspn(hostname, "/:")); |
c064d8db | 676 | |
d8dd35fd | 677 | r = journal_remote_add_source(s, fd, (char *) hostname, false); |
c064d8db ZJS |
678 | if (r < 0) |
679 | return r; | |
680 | } | |
681 | ||
682 | if (arg_listen_raw) { | |
683 | log_debug("Listening on a socket..."); | |
684 | r = setup_raw_socket(s, arg_listen_raw); | |
685 | if (r < 0) | |
686 | return r; | |
687 | } | |
688 | ||
689 | if (arg_listen_http) { | |
690 | r = setup_microhttpd_socket(s, arg_listen_http, NULL, NULL, NULL); | |
691 | if (r < 0) | |
692 | return r; | |
693 | } | |
694 | ||
695 | if (arg_listen_https) { | |
696 | r = setup_microhttpd_socket(s, arg_listen_https, key, cert, trust); | |
697 | if (r < 0) | |
698 | return r; | |
699 | } | |
700 | ||
701 | STRV_FOREACH(file, arg_files) { | |
702 | const char *output_name; | |
703 | ||
704 | if (streq(*file, "-")) { | |
705 | log_debug("Using standard input as source."); | |
706 | ||
707 | fd = STDIN_FILENO; | |
708 | output_name = "stdin"; | |
709 | } else { | |
710 | log_debug("Reading file %s...", *file); | |
711 | ||
712 | fd = open(*file, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NONBLOCK); | |
713 | if (fd < 0) | |
714 | return log_error_errno(errno, "Failed to open %s: %m", *file); | |
715 | output_name = *file; | |
716 | } | |
717 | ||
718 | r = journal_remote_add_source(s, fd, (char*) output_name, false); | |
719 | if (r < 0) | |
720 | return r; | |
721 | } | |
722 | ||
baaa35ad ZJS |
723 | if (s->active == 0) |
724 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
725 | "Zero sources specified"); | |
c064d8db ZJS |
726 | |
727 | if (arg_split_mode == JOURNAL_WRITE_SPLIT_NONE) { | |
728 | /* In this case we know what the writer will be | |
729 | called, so we can create it and verify that we can | |
730 | create output as expected. */ | |
731 | r = journal_remote_get_writer(s, NULL, &s->_single_writer); | |
732 | if (r < 0) | |
733 | return r; | |
734 | } | |
735 | ||
736 | return 0; | |
737 | } | |
738 | ||
739 | static int negative_fd(const char *spec) { | |
740 | /* Return a non-positive number as its inverse, -EINVAL otherwise. */ | |
741 | ||
742 | int fd, r; | |
743 | ||
744 | r = safe_atoi(spec, &fd); | |
745 | if (r < 0) | |
746 | return r; | |
747 | ||
748 | if (fd > 0) | |
749 | return -EINVAL; | |
750 | else | |
751 | return -fd; | |
752 | } | |
753 | ||
754 | static int parse_config(void) { | |
755 | const ConfigTableItem items[] = { | |
756 | { "Remote", "Seal", config_parse_bool, 0, &arg_seal }, | |
757 | { "Remote", "SplitMode", config_parse_write_split_mode, 0, &arg_split_mode }, | |
758 | { "Remote", "ServerKeyFile", config_parse_path, 0, &arg_key }, | |
759 | { "Remote", "ServerCertificateFile", config_parse_path, 0, &arg_cert }, | |
760 | { "Remote", "TrustedCertificateFile", config_parse_path, 0, &arg_trust }, | |
37ec0fdd LP |
761 | {} |
762 | }; | |
c064d8db | 763 | |
4f9ff96a LP |
764 | return config_parse_many_nulstr( |
765 | PKGSYSCONFDIR "/journal-remote.conf", | |
766 | CONF_PATHS_NULSTR("systemd/journal-remote.conf.d"), | |
767 | "Remote\0", | |
768 | config_item_table_lookup, items, | |
769 | CONFIG_PARSE_WARN, | |
770 | NULL, | |
771 | NULL); | |
c064d8db ZJS |
772 | } |
773 | ||
37ec0fdd LP |
774 | static int help(void) { |
775 | _cleanup_free_ char *link = NULL; | |
776 | int r; | |
777 | ||
778 | r = terminal_urlify_man("systemd-journal-remote.service", "8", &link); | |
779 | if (r < 0) | |
780 | return log_oom(); | |
781 | ||
c064d8db ZJS |
782 | printf("%s [OPTIONS...] {FILE|-}...\n\n" |
783 | "Write external journal events to journal file(s).\n\n" | |
784 | " -h --help Show this help\n" | |
785 | " --version Show package version\n" | |
786 | " --url=URL Read events from systemd-journal-gatewayd at URL\n" | |
787 | " --getter=COMMAND Read events from the output of COMMAND\n" | |
788 | " --listen-raw=ADDR Listen for connections at ADDR\n" | |
789 | " --listen-http=ADDR Listen for HTTP connections at ADDR\n" | |
790 | " --listen-https=ADDR Listen for HTTPS connections at ADDR\n" | |
791 | " -o --output=FILE|DIR Write output to FILE or DIR/external-*.journal\n" | |
82b2281d | 792 | " --compress[=BOOL] Use compression in the output journal (default: yes)\n" |
c064d8db ZJS |
793 | " --seal[=BOOL] Use event sealing (default: no)\n" |
794 | " --key=FILENAME SSL key in PEM format (default:\n" | |
795 | " \"" PRIV_KEY_FILE "\")\n" | |
796 | " --cert=FILENAME SSL certificate in PEM format (default:\n" | |
797 | " \"" CERT_FILE "\")\n" | |
798 | " --trust=FILENAME|all SSL CA certificate or disable checking (default:\n" | |
799 | " \"" TRUST_FILE "\")\n" | |
800 | " --gnutls-log=CATEGORY...\n" | |
801 | " Specify a list of gnutls logging categories\n" | |
802 | " --split-mode=none|host How many output files to create\n" | |
37ec0fdd | 803 | "\nNote: file descriptors from sd_listen_fds() will be consumed, too.\n" |
bc556335 DDM |
804 | "\nSee the %s for details.\n", |
805 | program_invocation_short_name, | |
806 | link); | |
37ec0fdd LP |
807 | |
808 | return 0; | |
c064d8db ZJS |
809 | } |
810 | ||
811 | static int parse_argv(int argc, char *argv[]) { | |
812 | enum { | |
813 | ARG_VERSION = 0x100, | |
814 | ARG_URL, | |
815 | ARG_LISTEN_RAW, | |
816 | ARG_LISTEN_HTTP, | |
817 | ARG_LISTEN_HTTPS, | |
818 | ARG_GETTER, | |
819 | ARG_SPLIT_MODE, | |
820 | ARG_COMPRESS, | |
821 | ARG_SEAL, | |
822 | ARG_KEY, | |
823 | ARG_CERT, | |
824 | ARG_TRUST, | |
825 | ARG_GNUTLS_LOG, | |
826 | }; | |
827 | ||
828 | static const struct option options[] = { | |
829 | { "help", no_argument, NULL, 'h' }, | |
830 | { "version", no_argument, NULL, ARG_VERSION }, | |
831 | { "url", required_argument, NULL, ARG_URL }, | |
832 | { "getter", required_argument, NULL, ARG_GETTER }, | |
833 | { "listen-raw", required_argument, NULL, ARG_LISTEN_RAW }, | |
834 | { "listen-http", required_argument, NULL, ARG_LISTEN_HTTP }, | |
835 | { "listen-https", required_argument, NULL, ARG_LISTEN_HTTPS }, | |
836 | { "output", required_argument, NULL, 'o' }, | |
837 | { "split-mode", required_argument, NULL, ARG_SPLIT_MODE }, | |
838 | { "compress", optional_argument, NULL, ARG_COMPRESS }, | |
839 | { "seal", optional_argument, NULL, ARG_SEAL }, | |
840 | { "key", required_argument, NULL, ARG_KEY }, | |
841 | { "cert", required_argument, NULL, ARG_CERT }, | |
842 | { "trust", required_argument, NULL, ARG_TRUST }, | |
843 | { "gnutls-log", required_argument, NULL, ARG_GNUTLS_LOG }, | |
844 | {} | |
845 | }; | |
846 | ||
847 | int c, r; | |
848 | bool type_a, type_b; | |
849 | ||
850 | assert(argc >= 0); | |
851 | assert(argv); | |
852 | ||
853 | while ((c = getopt_long(argc, argv, "ho:", options, NULL)) >= 0) | |
854 | switch(c) { | |
37ec0fdd | 855 | |
c064d8db | 856 | case 'h': |
37ec0fdd | 857 | return help(); |
c064d8db ZJS |
858 | |
859 | case ARG_VERSION: | |
860 | return version(); | |
861 | ||
862 | case ARG_URL: | |
baaa35ad ZJS |
863 | if (arg_url) |
864 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
865 | "cannot currently set more than one --url"); | |
c064d8db ZJS |
866 | |
867 | arg_url = optarg; | |
868 | break; | |
869 | ||
870 | case ARG_GETTER: | |
baaa35ad ZJS |
871 | if (arg_getter) |
872 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
873 | "cannot currently use --getter more than once"); | |
c064d8db ZJS |
874 | |
875 | arg_getter = optarg; | |
876 | break; | |
877 | ||
878 | case ARG_LISTEN_RAW: | |
baaa35ad ZJS |
879 | if (arg_listen_raw) |
880 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
881 | "cannot currently use --listen-raw more than once"); | |
c064d8db ZJS |
882 | |
883 | arg_listen_raw = optarg; | |
884 | break; | |
885 | ||
886 | case ARG_LISTEN_HTTP: | |
baaa35ad ZJS |
887 | if (arg_listen_http || http_socket >= 0) |
888 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
889 | "cannot currently use --listen-http more than once"); | |
c064d8db ZJS |
890 | |
891 | r = negative_fd(optarg); | |
892 | if (r >= 0) | |
893 | http_socket = r; | |
894 | else | |
895 | arg_listen_http = optarg; | |
896 | break; | |
897 | ||
898 | case ARG_LISTEN_HTTPS: | |
baaa35ad ZJS |
899 | if (arg_listen_https || https_socket >= 0) |
900 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
901 | "cannot currently use --listen-https more than once"); | |
c064d8db ZJS |
902 | |
903 | r = negative_fd(optarg); | |
904 | if (r >= 0) | |
905 | https_socket = r; | |
906 | else | |
907 | arg_listen_https = optarg; | |
908 | ||
909 | break; | |
910 | ||
911 | case ARG_KEY: | |
baaa35ad ZJS |
912 | if (arg_key) |
913 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
914 | "Key file specified twice"); | |
c064d8db ZJS |
915 | |
916 | arg_key = strdup(optarg); | |
917 | if (!arg_key) | |
918 | return log_oom(); | |
919 | ||
920 | break; | |
921 | ||
922 | case ARG_CERT: | |
baaa35ad ZJS |
923 | if (arg_cert) |
924 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
925 | "Certificate file specified twice"); | |
c064d8db ZJS |
926 | |
927 | arg_cert = strdup(optarg); | |
928 | if (!arg_cert) | |
929 | return log_oom(); | |
930 | ||
931 | break; | |
932 | ||
933 | case ARG_TRUST: | |
baaa35ad ZJS |
934 | if (arg_trust || arg_trust_all) |
935 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
936 | "Confusing trusted CA configuration"); | |
c064d8db ZJS |
937 | |
938 | if (streq(optarg, "all")) | |
939 | arg_trust_all = true; | |
940 | else { | |
941 | #if HAVE_GNUTLS | |
942 | arg_trust = strdup(optarg); | |
943 | if (!arg_trust) | |
944 | return log_oom(); | |
945 | #else | |
baaa35ad ZJS |
946 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
947 | "Option --trust is not available."); | |
c064d8db ZJS |
948 | #endif |
949 | } | |
950 | ||
951 | break; | |
952 | ||
953 | case 'o': | |
baaa35ad ZJS |
954 | if (arg_output) |
955 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
956 | "cannot use --output/-o more than once"); | |
c064d8db ZJS |
957 | |
958 | arg_output = optarg; | |
959 | break; | |
960 | ||
961 | case ARG_SPLIT_MODE: | |
962 | arg_split_mode = journal_write_split_mode_from_string(optarg); | |
baaa35ad | 963 | if (arg_split_mode == _JOURNAL_WRITE_SPLIT_INVALID) |
7211c853 | 964 | return log_error_errno(arg_split_mode, "Invalid split mode: %s", optarg); |
c064d8db ZJS |
965 | break; |
966 | ||
967 | case ARG_COMPRESS: | |
9c7f2201 ZJS |
968 | r = parse_boolean_argument("--compress", optarg, &arg_compress); |
969 | if (r < 0) | |
970 | return r; | |
c064d8db ZJS |
971 | break; |
972 | ||
973 | case ARG_SEAL: | |
9c7f2201 ZJS |
974 | r = parse_boolean_argument("--seal", optarg, &arg_seal); |
975 | if (r < 0) | |
976 | return r; | |
c064d8db ZJS |
977 | break; |
978 | ||
b01031e3 | 979 | case ARG_GNUTLS_LOG: |
c064d8db | 980 | #if HAVE_GNUTLS |
b01031e3 | 981 | for (const char* p = optarg;;) { |
c064d8db ZJS |
982 | _cleanup_free_ char *word = NULL; |
983 | ||
984 | r = extract_first_word(&p, &word, ",", 0); | |
985 | if (r < 0) | |
986 | return log_error_errno(r, "Failed to parse --gnutls-log= argument: %m"); | |
c064d8db ZJS |
987 | if (r == 0) |
988 | break; | |
989 | ||
990 | if (strv_push(&arg_gnutls_log, word) < 0) | |
991 | return log_oom(); | |
992 | ||
993 | word = NULL; | |
994 | } | |
995 | break; | |
996 | #else | |
baaa35ad ZJS |
997 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
998 | "Option --gnutls-log is not available."); | |
c064d8db | 999 | #endif |
c064d8db ZJS |
1000 | |
1001 | case '?': | |
1002 | return -EINVAL; | |
1003 | ||
1004 | default: | |
04499a70 | 1005 | assert_not_reached(); |
c064d8db ZJS |
1006 | } |
1007 | ||
1008 | if (optind < argc) | |
1009 | arg_files = argv + optind; | |
1010 | ||
1011 | type_a = arg_getter || !strv_isempty(arg_files); | |
1012 | type_b = arg_url | |
1013 | || arg_listen_raw | |
1014 | || arg_listen_http || arg_listen_https | |
1015 | || sd_listen_fds(false) > 0; | |
baaa35ad ZJS |
1016 | if (type_a && type_b) |
1017 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1018 | "Cannot use file input or --getter with " | |
1019 | "--arg-listen-... or socket activation."); | |
c064d8db | 1020 | if (type_a) { |
baaa35ad ZJS |
1021 | if (!arg_output) |
1022 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1023 | "Option --output must be specified with file input or --getter."); | |
c064d8db | 1024 | |
baaa35ad ZJS |
1025 | if (!IN_SET(arg_split_mode, JOURNAL_WRITE_SPLIT_NONE, _JOURNAL_WRITE_SPLIT_INVALID)) |
1026 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1027 | "For active sources, only --split-mode=none is allowed."); | |
c064d8db ZJS |
1028 | |
1029 | arg_split_mode = JOURNAL_WRITE_SPLIT_NONE; | |
1030 | } | |
1031 | ||
1032 | if (arg_split_mode == _JOURNAL_WRITE_SPLIT_INVALID) | |
1033 | arg_split_mode = JOURNAL_WRITE_SPLIT_HOST; | |
1034 | ||
1035 | if (arg_split_mode == JOURNAL_WRITE_SPLIT_NONE && arg_output) { | |
baaa35ad ZJS |
1036 | if (is_dir(arg_output, true) > 0) |
1037 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1038 | "For SplitMode=none, output must be a file."); | |
1039 | if (!endswith(arg_output, ".journal")) | |
1040 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1041 | "For SplitMode=none, output file name must end with .journal."); | |
c064d8db ZJS |
1042 | } |
1043 | ||
1044 | if (arg_split_mode == JOURNAL_WRITE_SPLIT_HOST | |
baaa35ad ZJS |
1045 | && arg_output && is_dir(arg_output, true) <= 0) |
1046 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1047 | "For SplitMode=host, output must be a directory."); | |
c064d8db ZJS |
1048 | |
1049 | log_debug("Full config: SplitMode=%s Key=%s Cert=%s Trust=%s", | |
1050 | journal_write_split_mode_to_string(arg_split_mode), | |
1051 | strna(arg_key), | |
1052 | strna(arg_cert), | |
1053 | strna(arg_trust)); | |
1054 | ||
1055 | return 1 /* work to do */; | |
1056 | } | |
1057 | ||
1058 | static int load_certificates(char **key, char **cert, char **trust) { | |
1059 | int r; | |
1060 | ||
e5de42e6 | 1061 | r = read_full_file_full( |
986311c2 | 1062 | AT_FDCWD, arg_key ?: PRIV_KEY_FILE, UINT64_MAX, SIZE_MAX, |
e5de42e6 LP |
1063 | READ_FULL_FILE_SECURE|READ_FULL_FILE_WARN_WORLD_READABLE|READ_FULL_FILE_CONNECT_SOCKET, |
1064 | NULL, | |
1065 | key, NULL); | |
c064d8db ZJS |
1066 | if (r < 0) |
1067 | return log_error_errno(r, "Failed to read key from file '%s': %m", | |
1068 | arg_key ?: PRIV_KEY_FILE); | |
1069 | ||
986311c2 LP |
1070 | r = read_full_file_full( |
1071 | AT_FDCWD, arg_cert ?: CERT_FILE, UINT64_MAX, SIZE_MAX, | |
1072 | READ_FULL_FILE_CONNECT_SOCKET, | |
1073 | NULL, | |
1074 | cert, NULL); | |
c064d8db ZJS |
1075 | if (r < 0) |
1076 | return log_error_errno(r, "Failed to read certificate from file '%s': %m", | |
1077 | arg_cert ?: CERT_FILE); | |
1078 | ||
1079 | if (arg_trust_all) | |
1080 | log_info("Certificate checking disabled."); | |
1081 | else { | |
986311c2 LP |
1082 | r = read_full_file_full( |
1083 | AT_FDCWD, arg_trust ?: TRUST_FILE, UINT64_MAX, SIZE_MAX, | |
1084 | READ_FULL_FILE_CONNECT_SOCKET, | |
1085 | NULL, | |
1086 | trust, NULL); | |
c064d8db ZJS |
1087 | if (r < 0) |
1088 | return log_error_errno(r, "Failed to read CA certificate file '%s': %m", | |
1089 | arg_trust ?: TRUST_FILE); | |
1090 | } | |
1091 | ||
baaa35ad ZJS |
1092 | if ((arg_listen_raw || arg_listen_http) && *trust) |
1093 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1094 | "Option --trust makes all non-HTTPS connections untrusted."); | |
c064d8db ZJS |
1095 | |
1096 | return 0; | |
1097 | } | |
1098 | ||
d8dd35fd | 1099 | static int run(int argc, char **argv) { |
94952201 | 1100 | _cleanup_(journal_remote_server_destroy) RemoteServer s = {}; |
d7ac0952 | 1101 | _unused_ _cleanup_(notify_on_cleanup) const char *notify_message = NULL; |
f362fe73 LP |
1102 | _cleanup_(erase_and_freep) char *key = NULL; |
1103 | _cleanup_free_ char *cert = NULL, *trust = NULL; | |
d8dd35fd | 1104 | int r; |
c064d8db ZJS |
1105 | |
1106 | log_show_color(true); | |
74189020 | 1107 | log_parse_environment(); |
c064d8db | 1108 | |
1abaf488 LP |
1109 | /* The journal merging logic potentially needs a lot of fds. */ |
1110 | (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE); | |
1111 | ||
c064d8db ZJS |
1112 | r = parse_config(); |
1113 | if (r < 0) | |
d8dd35fd | 1114 | return r; |
c064d8db ZJS |
1115 | |
1116 | r = parse_argv(argc, argv); | |
1117 | if (r <= 0) | |
d8dd35fd | 1118 | return r; |
c064d8db ZJS |
1119 | |
1120 | if (arg_listen_http || arg_listen_https) { | |
1121 | r = setup_gnutls_logger(arg_gnutls_log); | |
1122 | if (r < 0) | |
d8dd35fd | 1123 | return r; |
c064d8db ZJS |
1124 | } |
1125 | ||
d7ef030b | 1126 | if (arg_listen_https || https_socket >= 0) { |
d8dd35fd YW |
1127 | r = load_certificates(&key, &cert, &trust); |
1128 | if (r < 0) | |
1129 | return r; | |
1130 | ||
d7ef030b MG |
1131 | s.check_trust = !arg_trust_all; |
1132 | } | |
c064d8db | 1133 | |
d8dd35fd YW |
1134 | r = create_remoteserver(&s, key, cert, trust); |
1135 | if (r < 0) | |
1136 | return r; | |
c064d8db ZJS |
1137 | |
1138 | r = sd_event_set_watchdog(s.events, true); | |
1139 | if (r < 0) | |
d8dd35fd YW |
1140 | return log_error_errno(r, "Failed to enable watchdog: %m"); |
1141 | ||
1142 | log_debug("Watchdog is %sd.", enable_disable(r > 0)); | |
c064d8db ZJS |
1143 | |
1144 | log_debug("%s running as pid "PID_FMT, | |
1145 | program_invocation_short_name, getpid_cached()); | |
d8dd35fd YW |
1146 | |
1147 | notify_message = notify_start(NOTIFY_READY, NOTIFY_STOPPING); | |
c064d8db ZJS |
1148 | |
1149 | while (s.active) { | |
1150 | r = sd_event_get_state(s.events); | |
1151 | if (r < 0) | |
d8dd35fd | 1152 | return r; |
c064d8db ZJS |
1153 | if (r == SD_EVENT_FINISHED) |
1154 | break; | |
1155 | ||
1156 | r = sd_event_run(s.events, -1); | |
d8dd35fd YW |
1157 | if (r < 0) |
1158 | return log_error_errno(r, "Failed to run event loop: %m"); | |
c064d8db ZJS |
1159 | } |
1160 | ||
d8dd35fd YW |
1161 | notify_message = NULL; |
1162 | (void) sd_notifyf(false, | |
1163 | "STOPPING=1\n" | |
1164 | "STATUS=Shutting down after writing %" PRIu64 " entries...", s.event_count); | |
c064d8db | 1165 | |
d8dd35fd | 1166 | log_info("Finishing after writing %" PRIu64 " entries", s.event_count); |
c064d8db | 1167 | |
d8dd35fd | 1168 | return 0; |
c064d8db | 1169 | } |
d8dd35fd YW |
1170 | |
1171 | DEFINE_MAIN_FUNCTION(run); |