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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 | ||
d6b4d1c7 | 8 | #include "build.h" |
c064d8db | 9 | #include "conf-parser.h" |
28db6fbf | 10 | #include "constants.h" |
d8dd35fd | 11 | #include "daemon-util.h" |
c064d8db ZJS |
12 | #include "fd-util.h" |
13 | #include "fileio.h" | |
14 | #include "journal-remote-write.h" | |
15 | #include "journal-remote.h" | |
d8dd35fd | 16 | #include "main-func.h" |
f362fe73 | 17 | #include "memory-util.h" |
9c7f2201 | 18 | #include "parse-argument.h" |
d7085bcc | 19 | #include "parse-helpers.h" |
294bf0c3 | 20 | #include "pretty-print.h" |
c064d8db | 21 | #include "process-util.h" |
1abaf488 | 22 | #include "rlimit-util.h" |
955fc5d8 | 23 | #include "sigbus.h" |
c064d8db | 24 | #include "signal-util.h" |
5c3fa98d | 25 | #include "socket-netlink.h" |
c064d8db ZJS |
26 | #include "socket-util.h" |
27 | #include "stat-util.h" | |
28 | #include "string-table.h" | |
29 | #include "strv.h" | |
30 | ||
31 | #define PRIV_KEY_FILE CERTIFICATE_ROOT "/private/journal-remote.pem" | |
32 | #define CERT_FILE CERTIFICATE_ROOT "/certs/journal-remote.pem" | |
33 | #define TRUST_FILE CERTIFICATE_ROOT "/ca/trusted.pem" | |
34 | ||
d8dd35fd YW |
35 | static const char* arg_url = NULL; |
36 | static const char* arg_getter = NULL; | |
37 | static const char* arg_listen_raw = NULL; | |
38 | static const char* arg_listen_http = NULL; | |
39 | static const char* arg_listen_https = NULL; | |
40 | static char** arg_files = NULL; /* Do not free this. */ | |
9c7f2201 ZJS |
41 | static bool arg_compress = true; |
42 | static bool arg_seal = false; | |
c064d8db ZJS |
43 | static int http_socket = -1, https_socket = -1; |
44 | static char** arg_gnutls_log = NULL; | |
45 | ||
46 | static JournalWriteSplitMode arg_split_mode = _JOURNAL_WRITE_SPLIT_INVALID; | |
7276d98c | 47 | static char *arg_output = NULL; |
c064d8db ZJS |
48 | |
49 | static char *arg_key = NULL; | |
50 | static char *arg_cert = NULL; | |
51 | static char *arg_trust = NULL; | |
f7adeaeb | 52 | #if HAVE_GNUTLS |
c064d8db | 53 | static bool arg_trust_all = false; |
f7adeaeb YW |
54 | #else |
55 | static bool arg_trust_all = true; | |
56 | #endif | |
c064d8db | 57 | |
f12b399d | 58 | static uint64_t arg_max_use = UINT64_MAX; |
59 | static uint64_t arg_max_size = UINT64_MAX; | |
60 | static uint64_t arg_n_max_files = UINT64_MAX; | |
61 | static uint64_t arg_keep_free = UINT64_MAX; | |
62 | ||
d8dd35fd YW |
63 | STATIC_DESTRUCTOR_REGISTER(arg_gnutls_log, strv_freep); |
64 | STATIC_DESTRUCTOR_REGISTER(arg_key, freep); | |
65 | STATIC_DESTRUCTOR_REGISTER(arg_cert, freep); | |
66 | STATIC_DESTRUCTOR_REGISTER(arg_trust, freep); | |
7276d98c | 67 | STATIC_DESTRUCTOR_REGISTER(arg_output, freep); |
d8dd35fd | 68 | |
c064d8db ZJS |
69 | static const char* const journal_write_split_mode_table[_JOURNAL_WRITE_SPLIT_MAX] = { |
70 | [JOURNAL_WRITE_SPLIT_NONE] = "none", | |
71 | [JOURNAL_WRITE_SPLIT_HOST] = "host", | |
72 | }; | |
73 | ||
74 | DEFINE_PRIVATE_STRING_TABLE_LOOKUP(journal_write_split_mode, JournalWriteSplitMode); | |
75 | static DEFINE_CONFIG_PARSE_ENUM(config_parse_write_split_mode, | |
76 | journal_write_split_mode, | |
77 | JournalWriteSplitMode, | |
78 | "Failed to parse split mode setting"); | |
79 | ||
80 | /********************************************************************** | |
81 | ********************************************************************** | |
82 | **********************************************************************/ | |
83 | ||
84 | static int spawn_child(const char* child, char** argv) { | |
85 | pid_t child_pid; | |
86 | int fd[2], r; | |
87 | ||
88 | if (pipe(fd) < 0) | |
89 | return log_error_errno(errno, "Failed to create pager pipe: %m"); | |
90 | ||
0c2aedb4 YW |
91 | r = safe_fork_full("(remote)", |
92 | (int[]) {STDIN_FILENO, fd[1], STDERR_FILENO }, | |
93 | NULL, 0, | |
e9ccae31 | 94 | FORK_RESET_SIGNALS|FORK_CLOSE_ALL_FDS|FORK_DEATHSIG_SIGTERM|FORK_REARRANGE_STDIO|FORK_LOG|FORK_RLIMIT_NOFILE_SAFE, &child_pid); |
c064d8db ZJS |
95 | if (r < 0) { |
96 | safe_close_pair(fd); | |
97 | return r; | |
98 | } | |
99 | ||
100 | /* In the child */ | |
101 | if (r == 0) { | |
c064d8db ZJS |
102 | execvp(child, argv); |
103 | log_error_errno(errno, "Failed to exec child %s: %m", child); | |
104 | _exit(EXIT_FAILURE); | |
105 | } | |
106 | ||
107 | safe_close(fd[1]); | |
108 | ||
109 | r = fd_nonblock(fd[0], true); | |
110 | if (r < 0) | |
111 | log_warning_errno(errno, "Failed to set child pipe to non-blocking: %m"); | |
112 | ||
113 | return fd[0]; | |
114 | } | |
115 | ||
116 | static int spawn_curl(const char* url) { | |
117 | char **argv = STRV_MAKE("curl", | |
118 | "-HAccept: application/vnd.fdo.journal", | |
119 | "--silent", | |
120 | "--show-error", | |
121 | url); | |
122 | int r; | |
123 | ||
124 | r = spawn_child("curl", argv); | |
125 | if (r < 0) | |
126 | log_error_errno(r, "Failed to spawn curl: %m"); | |
127 | return r; | |
128 | } | |
129 | ||
130 | static int spawn_getter(const char *getter) { | |
131 | int r; | |
132 | _cleanup_strv_free_ char **words = NULL; | |
133 | ||
134 | assert(getter); | |
90e30d76 | 135 | r = strv_split_full(&words, getter, WHITESPACE, EXTRACT_UNQUOTE); |
c064d8db ZJS |
136 | if (r < 0) |
137 | return log_error_errno(r, "Failed to split getter option: %m"); | |
138 | ||
139 | r = spawn_child(words[0], words); | |
140 | if (r < 0) | |
141 | log_error_errno(r, "Failed to spawn getter %s: %m", getter); | |
142 | ||
143 | return r; | |
144 | } | |
145 | ||
146 | /********************************************************************** | |
147 | ********************************************************************** | |
148 | **********************************************************************/ | |
149 | ||
150 | static int null_timer_event_handler(sd_event_source *s, | |
151 | uint64_t usec, | |
152 | void *userdata); | |
153 | static int dispatch_http_event(sd_event_source *event, | |
154 | int fd, | |
155 | uint32_t revents, | |
156 | void *userdata); | |
157 | ||
158 | static int request_meta(void **connection_cls, int fd, char *hostname) { | |
159 | RemoteSource *source; | |
160 | Writer *writer; | |
161 | int r; | |
162 | ||
163 | assert(connection_cls); | |
164 | if (*connection_cls) | |
165 | return 0; | |
166 | ||
167 | r = journal_remote_get_writer(journal_remote_server_global, hostname, &writer); | |
168 | if (r < 0) | |
169 | return log_warning_errno(r, "Failed to get writer for source %s: %m", | |
170 | hostname); | |
171 | ||
172 | source = source_new(fd, true, hostname, writer); | |
173 | if (!source) { | |
174 | writer_unref(writer); | |
175 | return log_oom(); | |
176 | } | |
177 | ||
178 | log_debug("Added RemoteSource as connection metadata %p", source); | |
179 | ||
180 | *connection_cls = source; | |
181 | return 0; | |
182 | } | |
183 | ||
184 | static void request_meta_free(void *cls, | |
185 | struct MHD_Connection *connection, | |
186 | void **connection_cls, | |
187 | enum MHD_RequestTerminationCode toe) { | |
188 | RemoteSource *s; | |
189 | ||
190 | assert(connection_cls); | |
191 | s = *connection_cls; | |
192 | ||
193 | if (s) { | |
194 | log_debug("Cleaning up connection metadata %p", s); | |
195 | source_free(s); | |
196 | *connection_cls = NULL; | |
197 | } | |
198 | } | |
199 | ||
200 | static int process_http_upload( | |
201 | struct MHD_Connection *connection, | |
202 | const char *upload_data, | |
203 | size_t *upload_data_size, | |
204 | RemoteSource *source) { | |
205 | ||
206 | bool finished = false; | |
207 | size_t remaining; | |
208 | int r; | |
209 | ||
210 | assert(source); | |
211 | ||
212 | log_trace("%s: connection %p, %zu bytes", | |
213 | __func__, connection, *upload_data_size); | |
214 | ||
215 | if (*upload_data_size) { | |
216 | log_trace("Received %zu bytes", *upload_data_size); | |
217 | ||
218 | r = journal_importer_push_data(&source->importer, | |
219 | upload_data, *upload_data_size); | |
220 | if (r < 0) | |
221 | return mhd_respond_oom(connection); | |
222 | ||
223 | *upload_data_size = 0; | |
224 | } else | |
225 | finished = true; | |
226 | ||
227 | for (;;) { | |
49615dbd | 228 | r = process_source(source, journal_remote_server_global->file_flags); |
c064d8db ZJS |
229 | if (r == -EAGAIN) |
230 | break; | |
7fdb237f | 231 | if (r < 0) { |
ef4d6abe ZJS |
232 | if (r == -ENOBUFS) |
233 | log_warning_errno(r, "Entry is above the maximum of %u, aborting connection %p.", | |
7fdb237f | 234 | DATA_SIZE_MAX, connection); |
ef4d6abe ZJS |
235 | else if (r == -E2BIG) |
236 | log_warning_errno(r, "Entry with more fields than the maximum of %u, aborting connection %p.", | |
237 | ENTRY_FIELD_COUNT_MAX, connection); | |
c064d8db | 238 | else |
7fdb237f ZJS |
239 | log_warning_errno(r, "Failed to process data, aborting connection %p: %m", |
240 | connection); | |
241 | return MHD_NO; | |
c064d8db ZJS |
242 | } |
243 | } | |
244 | ||
245 | if (!finished) | |
246 | return MHD_YES; | |
247 | ||
248 | /* The upload is finished */ | |
249 | ||
250 | remaining = journal_importer_bytes_remaining(&source->importer); | |
251 | if (remaining > 0) { | |
252 | log_warning("Premature EOF byte. %zu bytes lost.", remaining); | |
253 | return mhd_respondf(connection, | |
254 | 0, MHD_HTTP_EXPECTATION_FAILED, | |
255 | "Premature EOF. %zu bytes of trailing data not processed.", | |
256 | remaining); | |
257 | } | |
258 | ||
259 | return mhd_respond(connection, MHD_HTTP_ACCEPTED, "OK."); | |
260 | }; | |
261 | ||
d17eabb1 | 262 | static mhd_result request_handler( |
c064d8db ZJS |
263 | void *cls, |
264 | struct MHD_Connection *connection, | |
265 | const char *url, | |
266 | const char *method, | |
267 | const char *version, | |
268 | const char *upload_data, | |
269 | size_t *upload_data_size, | |
270 | void **connection_cls) { | |
271 | ||
272 | const char *header; | |
273 | int r, code, fd; | |
274 | _cleanup_free_ char *hostname = NULL; | |
a289dfd6 | 275 | bool chunked = false; |
c064d8db ZJS |
276 | |
277 | assert(connection); | |
278 | assert(connection_cls); | |
279 | assert(url); | |
280 | assert(method); | |
281 | ||
282 | log_trace("Handling a connection %s %s %s", method, url, version); | |
283 | ||
284 | if (*connection_cls) | |
285 | return process_http_upload(connection, | |
286 | upload_data, upload_data_size, | |
287 | *connection_cls); | |
288 | ||
289 | if (!streq(method, "POST")) | |
290 | return mhd_respond(connection, MHD_HTTP_NOT_ACCEPTABLE, "Unsupported method."); | |
291 | ||
292 | if (!streq(url, "/upload")) | |
293 | return mhd_respond(connection, MHD_HTTP_NOT_FOUND, "Not found."); | |
294 | ||
7fdb237f | 295 | header = MHD_lookup_connection_value(connection, MHD_HEADER_KIND, "Content-Type"); |
c064d8db ZJS |
296 | if (!header || !streq(header, "application/vnd.fdo.journal")) |
297 | return mhd_respond(connection, MHD_HTTP_UNSUPPORTED_MEDIA_TYPE, | |
298 | "Content-Type: application/vnd.fdo.journal is required."); | |
299 | ||
a289dfd6 YW |
300 | header = MHD_lookup_connection_value(connection, MHD_HEADER_KIND, "Transfer-Encoding"); |
301 | if (header) { | |
302 | if (!strcaseeq(header, "chunked")) | |
303 | return mhd_respondf(connection, 0, MHD_HTTP_BAD_REQUEST, | |
304 | "Unsupported Transfer-Encoding type: %s", header); | |
305 | ||
306 | chunked = true; | |
307 | } | |
308 | ||
7fdb237f | 309 | header = MHD_lookup_connection_value(connection, MHD_HEADER_KIND, "Content-Length"); |
a289dfd6 | 310 | if (header) { |
ce2f4379 ZJS |
311 | size_t len; |
312 | ||
a289dfd6 YW |
313 | if (chunked) |
314 | return mhd_respond(connection, MHD_HTTP_BAD_REQUEST, | |
1f8ef095 | 315 | "Content-Length not allowed when Transfer-Encoding type is 'chunked'"); |
a289dfd6 YW |
316 | |
317 | r = safe_atozu(header, &len); | |
318 | if (r < 0) | |
319 | return mhd_respondf(connection, r, MHD_HTTP_LENGTH_REQUIRED, | |
320 | "Content-Length: %s cannot be parsed: %m", header); | |
321 | ||
322 | if (len > ENTRY_SIZE_MAX) | |
323 | /* When serialized, an entry of maximum size might be slightly larger, | |
324 | * so this does not correspond exactly to the limit in journald. Oh well. | |
325 | */ | |
30df858f | 326 | return mhd_respondf(connection, 0, MHD_HTTP_CONTENT_TOO_LARGE, |
a289dfd6 YW |
327 | "Payload larger than maximum size of %u bytes", ENTRY_SIZE_MAX); |
328 | } | |
7fdb237f | 329 | |
c064d8db ZJS |
330 | { |
331 | const union MHD_ConnectionInfo *ci; | |
332 | ||
333 | ci = MHD_get_connection_info(connection, | |
334 | MHD_CONNECTION_INFO_CONNECTION_FD); | |
335 | if (!ci) { | |
336 | log_error("MHD_get_connection_info failed: cannot get remote fd"); | |
337 | return mhd_respond(connection, MHD_HTTP_INTERNAL_SERVER_ERROR, | |
338 | "Cannot check remote address."); | |
339 | } | |
340 | ||
341 | fd = ci->connect_fd; | |
342 | assert(fd >= 0); | |
343 | } | |
344 | ||
345 | if (journal_remote_server_global->check_trust) { | |
346 | r = check_permissions(connection, &code, &hostname); | |
347 | if (r < 0) | |
348 | return code; | |
349 | } else { | |
350 | r = getpeername_pretty(fd, false, &hostname); | |
351 | if (r < 0) | |
352 | return mhd_respond(connection, MHD_HTTP_INTERNAL_SERVER_ERROR, | |
353 | "Cannot check remote hostname."); | |
354 | } | |
355 | ||
356 | assert(hostname); | |
357 | ||
358 | r = request_meta(connection_cls, fd, hostname); | |
359 | if (r == -ENOMEM) | |
360 | return respond_oom(connection); | |
361 | else if (r < 0) | |
362 | return mhd_respondf(connection, r, MHD_HTTP_INTERNAL_SERVER_ERROR, "%m"); | |
363 | ||
364 | hostname = NULL; | |
365 | return MHD_YES; | |
366 | } | |
367 | ||
368 | static int setup_microhttpd_server(RemoteServer *s, | |
369 | int fd, | |
370 | const char *key, | |
371 | const char *cert, | |
372 | const char *trust) { | |
373 | struct MHD_OptionItem opts[] = { | |
c064d8db | 374 | { MHD_OPTION_EXTERNAL_LOGGER, (intptr_t) microhttpd_logger}, |
756ef1fa | 375 | { MHD_OPTION_NOTIFY_COMPLETED, (intptr_t) request_meta_free}, |
c064d8db | 376 | { MHD_OPTION_LISTEN_SOCKET, fd}, |
5572e9d8 | 377 | { MHD_OPTION_CONNECTION_MEMORY_LIMIT, JOURNAL_SERVER_MEMORY_MAX}, |
c064d8db ZJS |
378 | { MHD_OPTION_END}, |
379 | { MHD_OPTION_END}, | |
380 | { MHD_OPTION_END}, | |
381 | { MHD_OPTION_END}, | |
382 | { MHD_OPTION_END}}; | |
383 | int opts_pos = 4; | |
384 | int flags = | |
385 | MHD_USE_DEBUG | | |
386 | MHD_USE_DUAL_STACK | | |
387 | MHD_USE_EPOLL | | |
388 | MHD_USE_ITC; | |
389 | ||
3c67c8bd | 390 | _cleanup_(MHDDaemonWrapper_freep) MHDDaemonWrapper *d = NULL; |
c064d8db ZJS |
391 | const union MHD_DaemonInfo *info; |
392 | int r, epoll_fd; | |
c064d8db ZJS |
393 | |
394 | assert(fd >= 0); | |
395 | ||
396 | r = fd_nonblock(fd, true); | |
397 | if (r < 0) | |
398 | return log_error_errno(r, "Failed to make fd:%d nonblocking: %m", fd); | |
399 | ||
400 | /* MHD_OPTION_STRICT_FOR_CLIENT is introduced in microhttpd 0.9.54, | |
401 | * and MHD_USE_PEDANTIC_CHECKS will be deprecated in future. | |
402 | * If MHD_USE_PEDANTIC_CHECKS is '#define'd, then it is deprecated | |
403 | * and we should use MHD_OPTION_STRICT_FOR_CLIENT. On the other hand, | |
404 | * if MHD_USE_PEDANTIC_CHECKS is not '#define'd, then it is not | |
405 | * deprecated yet and there exists an enum element with the same name. | |
406 | * So we can safely use it. */ | |
407 | #ifdef MHD_USE_PEDANTIC_CHECKS | |
408 | opts[opts_pos++] = (struct MHD_OptionItem) | |
409 | {MHD_OPTION_STRICT_FOR_CLIENT, 1}; | |
410 | #else | |
411 | flags |= MHD_USE_PEDANTIC_CHECKS; | |
412 | #endif | |
413 | ||
414 | if (key) { | |
415 | assert(cert); | |
416 | ||
417 | opts[opts_pos++] = (struct MHD_OptionItem) | |
418 | {MHD_OPTION_HTTPS_MEM_KEY, 0, (char*) key}; | |
419 | opts[opts_pos++] = (struct MHD_OptionItem) | |
420 | {MHD_OPTION_HTTPS_MEM_CERT, 0, (char*) cert}; | |
421 | ||
422 | flags |= MHD_USE_TLS; | |
423 | ||
424 | if (trust) | |
425 | opts[opts_pos++] = (struct MHD_OptionItem) | |
426 | {MHD_OPTION_HTTPS_MEM_TRUST, 0, (char*) trust}; | |
427 | } | |
428 | ||
429 | d = new(MHDDaemonWrapper, 1); | |
430 | if (!d) | |
431 | return log_oom(); | |
432 | ||
433 | d->fd = (uint64_t) fd; | |
434 | ||
435 | d->daemon = MHD_start_daemon(flags, 0, | |
436 | NULL, NULL, | |
437 | request_handler, NULL, | |
438 | MHD_OPTION_ARRAY, opts, | |
439 | MHD_OPTION_END); | |
3c67c8bd FS |
440 | if (!d->daemon) |
441 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Failed to start μhttp daemon"); | |
c064d8db ZJS |
442 | |
443 | log_debug("Started MHD %s daemon on fd:%d (wrapper @ %p)", | |
444 | key ? "HTTPS" : "HTTP", fd, d); | |
445 | ||
446 | info = MHD_get_daemon_info(d->daemon, MHD_DAEMON_INFO_EPOLL_FD_LINUX_ONLY); | |
3c67c8bd FS |
447 | if (!info) |
448 | return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), "μhttp returned NULL daemon info"); | |
c064d8db ZJS |
449 | |
450 | epoll_fd = info->listen_fd; | |
3c67c8bd FS |
451 | if (epoll_fd < 0) |
452 | return log_error_errno(SYNTHETIC_ERRNO(EUCLEAN), "μhttp epoll fd is invalid"); | |
c064d8db ZJS |
453 | |
454 | r = sd_event_add_io(s->events, &d->io_event, | |
455 | epoll_fd, EPOLLIN, | |
456 | dispatch_http_event, d); | |
3c67c8bd FS |
457 | if (r < 0) |
458 | return log_error_errno(r, "Failed to add event callback: %m"); | |
c064d8db ZJS |
459 | |
460 | r = sd_event_source_set_description(d->io_event, "io_event"); | |
3c67c8bd FS |
461 | if (r < 0) |
462 | return log_error_errno(r, "Failed to set source name: %m"); | |
c064d8db ZJS |
463 | |
464 | r = sd_event_add_time(s->events, &d->timer_event, | |
f5fbe71d | 465 | CLOCK_MONOTONIC, UINT64_MAX, 0, |
c064d8db | 466 | null_timer_event_handler, d); |
3c67c8bd FS |
467 | if (r < 0) |
468 | return log_error_errno(r, "Failed to add timer_event: %m"); | |
c064d8db ZJS |
469 | |
470 | r = sd_event_source_set_description(d->timer_event, "timer_event"); | |
3c67c8bd FS |
471 | if (r < 0) |
472 | return log_error_errno(r, "Failed to set source name: %m"); | |
c064d8db | 473 | |
4bc25168 | 474 | r = hashmap_ensure_put(&s->daemons, &uint64_hash_ops, &d->fd, d); |
3c67c8bd FS |
475 | if (r == -ENOMEM) |
476 | return log_oom(); | |
477 | if (r < 0) | |
478 | return log_error_errno(r, "Failed to add daemon to hashmap: %m"); | |
c064d8db | 479 | |
3c67c8bd | 480 | TAKE_PTR(d); |
c064d8db ZJS |
481 | s->active++; |
482 | return 0; | |
c064d8db ZJS |
483 | } |
484 | ||
485 | static int setup_microhttpd_socket(RemoteServer *s, | |
486 | const char *address, | |
487 | const char *key, | |
488 | const char *cert, | |
489 | const char *trust) { | |
490 | int fd; | |
491 | ||
492 | fd = make_socket_fd(LOG_DEBUG, address, SOCK_STREAM, SOCK_CLOEXEC); | |
493 | if (fd < 0) | |
494 | return fd; | |
495 | ||
496 | return setup_microhttpd_server(s, fd, key, cert, trust); | |
497 | } | |
498 | ||
499 | static int null_timer_event_handler(sd_event_source *timer_event, | |
500 | uint64_t usec, | |
501 | void *userdata) { | |
502 | return dispatch_http_event(timer_event, 0, 0, userdata); | |
503 | } | |
504 | ||
505 | static int dispatch_http_event(sd_event_source *event, | |
506 | int fd, | |
507 | uint32_t revents, | |
508 | void *userdata) { | |
99534007 | 509 | MHDDaemonWrapper *d = ASSERT_PTR(userdata); |
c064d8db | 510 | int r; |
8a8e84d2 | 511 | MHD_UNSIGNED_LONG_LONG timeout = ULLONG_MAX; |
c064d8db | 512 | |
c064d8db | 513 | r = MHD_run(d->daemon); |
baaa35ad ZJS |
514 | if (r == MHD_NO) |
515 | // FIXME: unregister daemon | |
516 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
517 | "MHD_run failed!"); | |
c064d8db | 518 | if (MHD_get_timeout(d->daemon, &timeout) == MHD_NO) |
8a8e84d2 | 519 | timeout = ULLONG_MAX; |
c064d8db ZJS |
520 | |
521 | r = sd_event_source_set_time(d->timer_event, timeout); | |
522 | if (r < 0) { | |
523 | log_warning_errno(r, "Unable to set event loop timeout: %m, this may result in indefinite blocking!"); | |
524 | return 1; | |
525 | } | |
526 | ||
527 | r = sd_event_source_set_enabled(d->timer_event, SD_EVENT_ON); | |
528 | if (r < 0) | |
529 | log_warning_errno(r, "Unable to enable timer_event: %m, this may result in indefinite blocking!"); | |
530 | ||
531 | return 1; /* work to do */ | |
532 | } | |
533 | ||
534 | /********************************************************************** | |
535 | ********************************************************************** | |
536 | **********************************************************************/ | |
537 | ||
538 | static int setup_signals(RemoteServer *s) { | |
539 | int r; | |
540 | ||
541 | assert(s); | |
542 | ||
543 | assert_se(sigprocmask_many(SIG_SETMASK, NULL, SIGINT, SIGTERM, -1) >= 0); | |
544 | ||
545 | r = sd_event_add_signal(s->events, &s->sigterm_event, SIGTERM, NULL, s); | |
546 | if (r < 0) | |
547 | return r; | |
548 | ||
549 | r = sd_event_add_signal(s->events, &s->sigint_event, SIGINT, NULL, s); | |
550 | if (r < 0) | |
551 | return r; | |
552 | ||
553 | return 0; | |
554 | } | |
555 | ||
556 | static int setup_raw_socket(RemoteServer *s, const char *address) { | |
557 | int fd; | |
558 | ||
559 | fd = make_socket_fd(LOG_INFO, address, SOCK_STREAM, SOCK_CLOEXEC); | |
560 | if (fd < 0) | |
561 | return fd; | |
562 | ||
563 | return journal_remote_add_raw_socket(s, fd); | |
564 | } | |
565 | ||
566 | static int create_remoteserver( | |
567 | RemoteServer *s, | |
568 | const char* key, | |
569 | const char* cert, | |
570 | const char* trust) { | |
571 | ||
572 | int r, n, fd; | |
c064d8db | 573 | |
49615dbd LP |
574 | r = journal_remote_server_init( |
575 | s, | |
576 | arg_output, | |
577 | arg_split_mode, | |
578 | (arg_compress ? JOURNAL_COMPRESS : 0) | | |
579 | (arg_seal ? JOURNAL_SEAL : 0)); | |
c064d8db ZJS |
580 | if (r < 0) |
581 | return r; | |
582 | ||
83a43339 LP |
583 | r = setup_signals(s); |
584 | if (r < 0) | |
585 | return log_error_errno(r, "Failed to set up signals: %m"); | |
c064d8db ZJS |
586 | |
587 | n = sd_listen_fds(true); | |
588 | if (n < 0) | |
589 | return log_error_errno(n, "Failed to read listening file descriptors from environment: %m"); | |
590 | else | |
591 | log_debug("Received %d descriptors", n); | |
592 | ||
baaa35ad ZJS |
593 | if (MAX(http_socket, https_socket) >= SD_LISTEN_FDS_START + n) |
594 | return log_error_errno(SYNTHETIC_ERRNO(EBADFD), | |
595 | "Received fewer sockets than expected"); | |
c064d8db ZJS |
596 | |
597 | for (fd = SD_LISTEN_FDS_START; fd < SD_LISTEN_FDS_START + n; fd++) { | |
598 | if (sd_is_socket(fd, AF_UNSPEC, 0, true)) { | |
599 | log_debug("Received a listening socket (fd:%d)", fd); | |
600 | ||
601 | if (fd == http_socket) | |
602 | r = setup_microhttpd_server(s, fd, NULL, NULL, NULL); | |
603 | else if (fd == https_socket) | |
604 | r = setup_microhttpd_server(s, fd, key, cert, trust); | |
605 | else | |
606 | r = journal_remote_add_raw_socket(s, fd); | |
607 | } else if (sd_is_socket(fd, AF_UNSPEC, 0, false)) { | |
608 | char *hostname; | |
609 | ||
610 | r = getpeername_pretty(fd, false, &hostname); | |
611 | if (r < 0) | |
612 | return log_error_errno(r, "Failed to retrieve remote name: %m"); | |
613 | ||
614 | log_debug("Received a connection socket (fd:%d) from %s", fd, hostname); | |
615 | ||
616 | r = journal_remote_add_source(s, fd, hostname, true); | |
baaa35ad ZJS |
617 | } else |
618 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
619 | "Unknown socket passed on fd:%d", fd); | |
c064d8db ZJS |
620 | |
621 | if (r < 0) | |
baaa35ad | 622 | return log_error_errno(r, "Failed to register socket (fd:%d): %m", fd); |
c064d8db ZJS |
623 | } |
624 | ||
625 | if (arg_getter) { | |
626 | log_info("Spawning getter %s...", arg_getter); | |
627 | fd = spawn_getter(arg_getter); | |
628 | if (fd < 0) | |
629 | return fd; | |
630 | ||
631 | r = journal_remote_add_source(s, fd, (char*) arg_output, false); | |
632 | if (r < 0) | |
633 | return r; | |
634 | } | |
635 | ||
636 | if (arg_url) { | |
d8dd35fd | 637 | const char *url, *hostname; |
c064d8db ZJS |
638 | |
639 | if (!strstr(arg_url, "/entries")) { | |
640 | if (endswith(arg_url, "/")) | |
641 | url = strjoina(arg_url, "entries"); | |
642 | else | |
643 | url = strjoina(arg_url, "/entries"); | |
15d121b0 | 644 | } else |
2f82562b | 645 | url = strdupa_safe(arg_url); |
c064d8db ZJS |
646 | |
647 | log_info("Spawning curl %s...", url); | |
648 | fd = spawn_curl(url); | |
649 | if (fd < 0) | |
650 | return fd; | |
651 | ||
49fe5c09 LP |
652 | hostname = STARTSWITH_SET(arg_url, "https://", "http://"); |
653 | if (!hostname) | |
654 | hostname = arg_url; | |
c064d8db | 655 | |
2f82562b | 656 | hostname = strndupa_safe(hostname, strcspn(hostname, "/:")); |
c064d8db | 657 | |
d8dd35fd | 658 | r = journal_remote_add_source(s, fd, (char *) hostname, false); |
c064d8db ZJS |
659 | if (r < 0) |
660 | return r; | |
661 | } | |
662 | ||
663 | if (arg_listen_raw) { | |
664 | log_debug("Listening on a socket..."); | |
665 | r = setup_raw_socket(s, arg_listen_raw); | |
666 | if (r < 0) | |
667 | return r; | |
668 | } | |
669 | ||
670 | if (arg_listen_http) { | |
671 | r = setup_microhttpd_socket(s, arg_listen_http, NULL, NULL, NULL); | |
672 | if (r < 0) | |
673 | return r; | |
674 | } | |
675 | ||
676 | if (arg_listen_https) { | |
677 | r = setup_microhttpd_socket(s, arg_listen_https, key, cert, trust); | |
678 | if (r < 0) | |
679 | return r; | |
680 | } | |
681 | ||
682 | STRV_FOREACH(file, arg_files) { | |
683 | const char *output_name; | |
684 | ||
685 | if (streq(*file, "-")) { | |
686 | log_debug("Using standard input as source."); | |
687 | ||
688 | fd = STDIN_FILENO; | |
689 | output_name = "stdin"; | |
690 | } else { | |
691 | log_debug("Reading file %s...", *file); | |
692 | ||
693 | fd = open(*file, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NONBLOCK); | |
694 | if (fd < 0) | |
695 | return log_error_errno(errno, "Failed to open %s: %m", *file); | |
696 | output_name = *file; | |
697 | } | |
698 | ||
699 | r = journal_remote_add_source(s, fd, (char*) output_name, false); | |
700 | if (r < 0) | |
701 | return r; | |
702 | } | |
703 | ||
baaa35ad ZJS |
704 | if (s->active == 0) |
705 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
706 | "Zero sources specified"); | |
c064d8db ZJS |
707 | |
708 | if (arg_split_mode == JOURNAL_WRITE_SPLIT_NONE) { | |
709 | /* In this case we know what the writer will be | |
710 | called, so we can create it and verify that we can | |
711 | create output as expected. */ | |
712 | r = journal_remote_get_writer(s, NULL, &s->_single_writer); | |
713 | if (r < 0) | |
8ee2fd90 | 714 | return log_warning_errno(r, "Failed to get writer: %m"); |
c064d8db ZJS |
715 | } |
716 | ||
717 | return 0; | |
718 | } | |
719 | ||
720 | static int negative_fd(const char *spec) { | |
721 | /* Return a non-positive number as its inverse, -EINVAL otherwise. */ | |
722 | ||
723 | int fd, r; | |
724 | ||
725 | r = safe_atoi(spec, &fd); | |
726 | if (r < 0) | |
727 | return r; | |
728 | ||
729 | if (fd > 0) | |
730 | return -EINVAL; | |
731 | else | |
732 | return -fd; | |
733 | } | |
734 | ||
735 | static int parse_config(void) { | |
736 | const ConfigTableItem items[] = { | |
f12b399d | 737 | { "Remote", "Seal", config_parse_bool, 0, &arg_seal }, |
738 | { "Remote", "SplitMode", config_parse_write_split_mode, 0, &arg_split_mode }, | |
739 | { "Remote", "ServerKeyFile", config_parse_path, 0, &arg_key }, | |
740 | { "Remote", "ServerCertificateFile", config_parse_path, 0, &arg_cert }, | |
d7085bcc | 741 | { "Remote", "TrustedCertificateFile", config_parse_path_or_ignore, 0, &arg_trust }, |
f12b399d | 742 | { "Remote", "MaxUse", config_parse_iec_uint64, 0, &arg_max_use }, |
743 | { "Remote", "MaxFileSize", config_parse_iec_uint64, 0, &arg_max_size }, | |
744 | { "Remote", "MaxFiles", config_parse_uint64, 0, &arg_n_max_files }, | |
745 | { "Remote", "KeepFree", config_parse_iec_uint64, 0, &arg_keep_free }, | |
37ec0fdd LP |
746 | {} |
747 | }; | |
c064d8db | 748 | |
07e0ffc8 FB |
749 | return config_parse_config_file("journal-remote.conf", "Remote\0", |
750 | config_item_table_lookup, items, | |
751 | CONFIG_PARSE_WARN, NULL); | |
c064d8db ZJS |
752 | } |
753 | ||
37ec0fdd LP |
754 | static int help(void) { |
755 | _cleanup_free_ char *link = NULL; | |
756 | int r; | |
757 | ||
758 | r = terminal_urlify_man("systemd-journal-remote.service", "8", &link); | |
759 | if (r < 0) | |
760 | return log_oom(); | |
761 | ||
c064d8db ZJS |
762 | printf("%s [OPTIONS...] {FILE|-}...\n\n" |
763 | "Write external journal events to journal file(s).\n\n" | |
764 | " -h --help Show this help\n" | |
765 | " --version Show package version\n" | |
766 | " --url=URL Read events from systemd-journal-gatewayd at URL\n" | |
767 | " --getter=COMMAND Read events from the output of COMMAND\n" | |
768 | " --listen-raw=ADDR Listen for connections at ADDR\n" | |
769 | " --listen-http=ADDR Listen for HTTP connections at ADDR\n" | |
770 | " --listen-https=ADDR Listen for HTTPS connections at ADDR\n" | |
771 | " -o --output=FILE|DIR Write output to FILE or DIR/external-*.journal\n" | |
82b2281d | 772 | " --compress[=BOOL] Use compression in the output journal (default: yes)\n" |
c064d8db ZJS |
773 | " --seal[=BOOL] Use event sealing (default: no)\n" |
774 | " --key=FILENAME SSL key in PEM format (default:\n" | |
775 | " \"" PRIV_KEY_FILE "\")\n" | |
776 | " --cert=FILENAME SSL certificate in PEM format (default:\n" | |
777 | " \"" CERT_FILE "\")\n" | |
778 | " --trust=FILENAME|all SSL CA certificate or disable checking (default:\n" | |
779 | " \"" TRUST_FILE "\")\n" | |
780 | " --gnutls-log=CATEGORY...\n" | |
781 | " Specify a list of gnutls logging categories\n" | |
782 | " --split-mode=none|host How many output files to create\n" | |
37ec0fdd | 783 | "\nNote: file descriptors from sd_listen_fds() will be consumed, too.\n" |
bc556335 DDM |
784 | "\nSee the %s for details.\n", |
785 | program_invocation_short_name, | |
786 | link); | |
37ec0fdd LP |
787 | |
788 | return 0; | |
c064d8db ZJS |
789 | } |
790 | ||
791 | static int parse_argv(int argc, char *argv[]) { | |
792 | enum { | |
793 | ARG_VERSION = 0x100, | |
794 | ARG_URL, | |
795 | ARG_LISTEN_RAW, | |
796 | ARG_LISTEN_HTTP, | |
797 | ARG_LISTEN_HTTPS, | |
798 | ARG_GETTER, | |
799 | ARG_SPLIT_MODE, | |
800 | ARG_COMPRESS, | |
801 | ARG_SEAL, | |
802 | ARG_KEY, | |
803 | ARG_CERT, | |
804 | ARG_TRUST, | |
805 | ARG_GNUTLS_LOG, | |
806 | }; | |
807 | ||
808 | static const struct option options[] = { | |
809 | { "help", no_argument, NULL, 'h' }, | |
810 | { "version", no_argument, NULL, ARG_VERSION }, | |
811 | { "url", required_argument, NULL, ARG_URL }, | |
812 | { "getter", required_argument, NULL, ARG_GETTER }, | |
813 | { "listen-raw", required_argument, NULL, ARG_LISTEN_RAW }, | |
814 | { "listen-http", required_argument, NULL, ARG_LISTEN_HTTP }, | |
815 | { "listen-https", required_argument, NULL, ARG_LISTEN_HTTPS }, | |
816 | { "output", required_argument, NULL, 'o' }, | |
817 | { "split-mode", required_argument, NULL, ARG_SPLIT_MODE }, | |
818 | { "compress", optional_argument, NULL, ARG_COMPRESS }, | |
819 | { "seal", optional_argument, NULL, ARG_SEAL }, | |
820 | { "key", required_argument, NULL, ARG_KEY }, | |
821 | { "cert", required_argument, NULL, ARG_CERT }, | |
822 | { "trust", required_argument, NULL, ARG_TRUST }, | |
823 | { "gnutls-log", required_argument, NULL, ARG_GNUTLS_LOG }, | |
824 | {} | |
825 | }; | |
826 | ||
827 | int c, r; | |
828 | bool type_a, type_b; | |
829 | ||
830 | assert(argc >= 0); | |
831 | assert(argv); | |
832 | ||
833 | while ((c = getopt_long(argc, argv, "ho:", options, NULL)) >= 0) | |
79893116 | 834 | switch (c) { |
37ec0fdd | 835 | |
c064d8db | 836 | case 'h': |
37ec0fdd | 837 | return help(); |
c064d8db ZJS |
838 | |
839 | case ARG_VERSION: | |
840 | return version(); | |
841 | ||
842 | case ARG_URL: | |
baaa35ad ZJS |
843 | if (arg_url) |
844 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
2530af2e | 845 | "Cannot currently set more than one --url="); |
c064d8db ZJS |
846 | |
847 | arg_url = optarg; | |
848 | break; | |
849 | ||
850 | case ARG_GETTER: | |
baaa35ad ZJS |
851 | if (arg_getter) |
852 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
2530af2e | 853 | "Cannot currently use --getter= more than once"); |
c064d8db ZJS |
854 | |
855 | arg_getter = optarg; | |
856 | break; | |
857 | ||
858 | case ARG_LISTEN_RAW: | |
baaa35ad ZJS |
859 | if (arg_listen_raw) |
860 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
2530af2e | 861 | "Cannot currently use --listen-raw= more than once"); |
c064d8db ZJS |
862 | |
863 | arg_listen_raw = optarg; | |
864 | break; | |
865 | ||
866 | case ARG_LISTEN_HTTP: | |
baaa35ad ZJS |
867 | if (arg_listen_http || http_socket >= 0) |
868 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
2530af2e | 869 | "Cannot currently use --listen-http= more than once"); |
c064d8db ZJS |
870 | |
871 | r = negative_fd(optarg); | |
872 | if (r >= 0) | |
873 | http_socket = r; | |
874 | else | |
875 | arg_listen_http = optarg; | |
876 | break; | |
877 | ||
878 | case ARG_LISTEN_HTTPS: | |
baaa35ad ZJS |
879 | if (arg_listen_https || https_socket >= 0) |
880 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
2530af2e | 881 | "Cannot currently use --listen-https= more than once"); |
c064d8db ZJS |
882 | |
883 | r = negative_fd(optarg); | |
884 | if (r >= 0) | |
885 | https_socket = r; | |
886 | else | |
887 | arg_listen_https = optarg; | |
888 | ||
889 | break; | |
890 | ||
891 | case ARG_KEY: | |
baaa35ad ZJS |
892 | if (arg_key) |
893 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
894 | "Key file specified twice"); | |
c064d8db ZJS |
895 | |
896 | arg_key = strdup(optarg); | |
897 | if (!arg_key) | |
898 | return log_oom(); | |
899 | ||
900 | break; | |
901 | ||
902 | case ARG_CERT: | |
baaa35ad ZJS |
903 | if (arg_cert) |
904 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
905 | "Certificate file specified twice"); | |
c064d8db ZJS |
906 | |
907 | arg_cert = strdup(optarg); | |
908 | if (!arg_cert) | |
909 | return log_oom(); | |
910 | ||
911 | break; | |
912 | ||
913 | case ARG_TRUST: | |
f7adeaeb | 914 | #if HAVE_GNUTLS |
d7085bcc | 915 | if (arg_trust) |
baaa35ad | 916 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
2530af2e | 917 | "Cannot use --trust more= than once"); |
c064d8db | 918 | |
d7085bcc FS |
919 | arg_trust = strdup(optarg); |
920 | if (!arg_trust) | |
921 | return log_oom(); | |
c064d8db | 922 | #else |
f7adeaeb | 923 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
2530af2e | 924 | "Option --trust= is not available."); |
c064d8db | 925 | #endif |
c064d8db ZJS |
926 | break; |
927 | ||
928 | case 'o': | |
baaa35ad ZJS |
929 | if (arg_output) |
930 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
2530af2e | 931 | "Cannot use --output=/-o more than once"); |
c064d8db | 932 | |
7276d98c YW |
933 | r = parse_path_argument(optarg, /* suppress_root = */ false, &arg_output); |
934 | if (r < 0) | |
935 | return r; | |
c064d8db ZJS |
936 | break; |
937 | ||
938 | case ARG_SPLIT_MODE: | |
939 | arg_split_mode = journal_write_split_mode_from_string(optarg); | |
baaa35ad | 940 | if (arg_split_mode == _JOURNAL_WRITE_SPLIT_INVALID) |
7211c853 | 941 | return log_error_errno(arg_split_mode, "Invalid split mode: %s", optarg); |
c064d8db ZJS |
942 | break; |
943 | ||
944 | case ARG_COMPRESS: | |
9c7f2201 ZJS |
945 | r = parse_boolean_argument("--compress", optarg, &arg_compress); |
946 | if (r < 0) | |
947 | return r; | |
c064d8db ZJS |
948 | break; |
949 | ||
950 | case ARG_SEAL: | |
9c7f2201 ZJS |
951 | r = parse_boolean_argument("--seal", optarg, &arg_seal); |
952 | if (r < 0) | |
953 | return r; | |
c064d8db ZJS |
954 | break; |
955 | ||
b01031e3 | 956 | case ARG_GNUTLS_LOG: |
c064d8db | 957 | #if HAVE_GNUTLS |
b01031e3 | 958 | for (const char* p = optarg;;) { |
c064d8db ZJS |
959 | _cleanup_free_ char *word = NULL; |
960 | ||
961 | r = extract_first_word(&p, &word, ",", 0); | |
962 | if (r < 0) | |
963 | return log_error_errno(r, "Failed to parse --gnutls-log= argument: %m"); | |
c064d8db ZJS |
964 | if (r == 0) |
965 | break; | |
966 | ||
967 | if (strv_push(&arg_gnutls_log, word) < 0) | |
968 | return log_oom(); | |
969 | ||
970 | word = NULL; | |
971 | } | |
972 | break; | |
973 | #else | |
baaa35ad | 974 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
2530af2e | 975 | "Option --gnutls-log= is not available."); |
c064d8db | 976 | #endif |
c064d8db ZJS |
977 | |
978 | case '?': | |
979 | return -EINVAL; | |
980 | ||
981 | default: | |
04499a70 | 982 | assert_not_reached(); |
c064d8db ZJS |
983 | } |
984 | ||
985 | if (optind < argc) | |
986 | arg_files = argv + optind; | |
987 | ||
988 | type_a = arg_getter || !strv_isempty(arg_files); | |
989 | type_b = arg_url | |
990 | || arg_listen_raw | |
991 | || arg_listen_http || arg_listen_https | |
992 | || sd_listen_fds(false) > 0; | |
baaa35ad ZJS |
993 | if (type_a && type_b) |
994 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
2530af2e FS |
995 | "Cannot use file input or --getter= with " |
996 | "--listen-...= or socket activation."); | |
c064d8db | 997 | if (type_a) { |
baaa35ad ZJS |
998 | if (!arg_output) |
999 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
2530af2e | 1000 | "Option --output= must be specified with file input or --getter=."); |
c064d8db | 1001 | |
baaa35ad ZJS |
1002 | if (!IN_SET(arg_split_mode, JOURNAL_WRITE_SPLIT_NONE, _JOURNAL_WRITE_SPLIT_INVALID)) |
1003 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1004 | "For active sources, only --split-mode=none is allowed."); | |
c064d8db ZJS |
1005 | |
1006 | arg_split_mode = JOURNAL_WRITE_SPLIT_NONE; | |
1007 | } | |
1008 | ||
1009 | if (arg_split_mode == _JOURNAL_WRITE_SPLIT_INVALID) | |
1010 | arg_split_mode = JOURNAL_WRITE_SPLIT_HOST; | |
1011 | ||
1012 | if (arg_split_mode == JOURNAL_WRITE_SPLIT_NONE && arg_output) { | |
baaa35ad ZJS |
1013 | if (is_dir(arg_output, true) > 0) |
1014 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1015 | "For SplitMode=none, output must be a file."); | |
1016 | if (!endswith(arg_output, ".journal")) | |
1017 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1018 | "For SplitMode=none, output file name must end with .journal."); | |
c064d8db ZJS |
1019 | } |
1020 | ||
1021 | if (arg_split_mode == JOURNAL_WRITE_SPLIT_HOST | |
baaa35ad ZJS |
1022 | && arg_output && is_dir(arg_output, true) <= 0) |
1023 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1024 | "For SplitMode=host, output must be a directory."); | |
c064d8db | 1025 | |
d7085bcc FS |
1026 | if (STRPTR_IN_SET(arg_trust, "-", "all")) { |
1027 | arg_trust_all = true; | |
1028 | arg_trust = mfree(arg_trust); | |
1029 | } | |
1030 | ||
c064d8db ZJS |
1031 | log_debug("Full config: SplitMode=%s Key=%s Cert=%s Trust=%s", |
1032 | journal_write_split_mode_to_string(arg_split_mode), | |
1033 | strna(arg_key), | |
1034 | strna(arg_cert), | |
1035 | strna(arg_trust)); | |
1036 | ||
1037 | return 1 /* work to do */; | |
1038 | } | |
1039 | ||
1040 | static int load_certificates(char **key, char **cert, char **trust) { | |
1041 | int r; | |
1042 | ||
e5de42e6 | 1043 | r = read_full_file_full( |
986311c2 | 1044 | AT_FDCWD, arg_key ?: PRIV_KEY_FILE, UINT64_MAX, SIZE_MAX, |
e5de42e6 LP |
1045 | READ_FULL_FILE_SECURE|READ_FULL_FILE_WARN_WORLD_READABLE|READ_FULL_FILE_CONNECT_SOCKET, |
1046 | NULL, | |
1047 | key, NULL); | |
c064d8db ZJS |
1048 | if (r < 0) |
1049 | return log_error_errno(r, "Failed to read key from file '%s': %m", | |
1050 | arg_key ?: PRIV_KEY_FILE); | |
1051 | ||
986311c2 LP |
1052 | r = read_full_file_full( |
1053 | AT_FDCWD, arg_cert ?: CERT_FILE, UINT64_MAX, SIZE_MAX, | |
1054 | READ_FULL_FILE_CONNECT_SOCKET, | |
1055 | NULL, | |
1056 | cert, NULL); | |
c064d8db ZJS |
1057 | if (r < 0) |
1058 | return log_error_errno(r, "Failed to read certificate from file '%s': %m", | |
1059 | arg_cert ?: CERT_FILE); | |
1060 | ||
1061 | if (arg_trust_all) | |
1062 | log_info("Certificate checking disabled."); | |
1063 | else { | |
986311c2 LP |
1064 | r = read_full_file_full( |
1065 | AT_FDCWD, arg_trust ?: TRUST_FILE, UINT64_MAX, SIZE_MAX, | |
1066 | READ_FULL_FILE_CONNECT_SOCKET, | |
1067 | NULL, | |
1068 | trust, NULL); | |
c064d8db ZJS |
1069 | if (r < 0) |
1070 | return log_error_errno(r, "Failed to read CA certificate file '%s': %m", | |
1071 | arg_trust ?: TRUST_FILE); | |
1072 | } | |
1073 | ||
baaa35ad ZJS |
1074 | if ((arg_listen_raw || arg_listen_http) && *trust) |
1075 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
2530af2e | 1076 | "Option --trust= makes all non-HTTPS connections untrusted."); |
c064d8db ZJS |
1077 | |
1078 | return 0; | |
1079 | } | |
1080 | ||
d8dd35fd | 1081 | static int run(int argc, char **argv) { |
94952201 | 1082 | _cleanup_(journal_remote_server_destroy) RemoteServer s = {}; |
d7ac0952 | 1083 | _unused_ _cleanup_(notify_on_cleanup) const char *notify_message = NULL; |
f362fe73 LP |
1084 | _cleanup_(erase_and_freep) char *key = NULL; |
1085 | _cleanup_free_ char *cert = NULL, *trust = NULL; | |
d8dd35fd | 1086 | int r; |
c064d8db ZJS |
1087 | |
1088 | log_show_color(true); | |
74189020 | 1089 | log_parse_environment(); |
c064d8db | 1090 | |
1abaf488 LP |
1091 | /* The journal merging logic potentially needs a lot of fds. */ |
1092 | (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE); | |
1093 | ||
955fc5d8 YW |
1094 | sigbus_install(); |
1095 | ||
c064d8db ZJS |
1096 | r = parse_config(); |
1097 | if (r < 0) | |
d8dd35fd | 1098 | return r; |
c064d8db ZJS |
1099 | |
1100 | r = parse_argv(argc, argv); | |
1101 | if (r <= 0) | |
d8dd35fd | 1102 | return r; |
c064d8db ZJS |
1103 | |
1104 | if (arg_listen_http || arg_listen_https) { | |
1105 | r = setup_gnutls_logger(arg_gnutls_log); | |
1106 | if (r < 0) | |
d8dd35fd | 1107 | return r; |
c064d8db ZJS |
1108 | } |
1109 | ||
d7ef030b | 1110 | if (arg_listen_https || https_socket >= 0) { |
d8dd35fd YW |
1111 | r = load_certificates(&key, &cert, &trust); |
1112 | if (r < 0) | |
1113 | return r; | |
1114 | ||
d7ef030b MG |
1115 | s.check_trust = !arg_trust_all; |
1116 | } | |
c064d8db | 1117 | |
f12b399d | 1118 | journal_reset_metrics(&s.metrics); |
1119 | s.metrics.max_use = arg_max_use; | |
1120 | s.metrics.max_size = arg_max_size; | |
a4f82d2c | 1121 | s.metrics.keep_free = arg_keep_free; |
f12b399d | 1122 | s.metrics.n_max_files = arg_n_max_files; |
1123 | ||
d8dd35fd YW |
1124 | r = create_remoteserver(&s, key, cert, trust); |
1125 | if (r < 0) | |
1126 | return r; | |
c064d8db ZJS |
1127 | |
1128 | r = sd_event_set_watchdog(s.events, true); | |
1129 | if (r < 0) | |
d8dd35fd YW |
1130 | return log_error_errno(r, "Failed to enable watchdog: %m"); |
1131 | ||
1132 | log_debug("Watchdog is %sd.", enable_disable(r > 0)); | |
c064d8db ZJS |
1133 | |
1134 | log_debug("%s running as pid "PID_FMT, | |
1135 | program_invocation_short_name, getpid_cached()); | |
d8dd35fd YW |
1136 | |
1137 | notify_message = notify_start(NOTIFY_READY, NOTIFY_STOPPING); | |
c064d8db ZJS |
1138 | |
1139 | while (s.active) { | |
1140 | r = sd_event_get_state(s.events); | |
1141 | if (r < 0) | |
d8dd35fd | 1142 | return r; |
c064d8db ZJS |
1143 | if (r == SD_EVENT_FINISHED) |
1144 | break; | |
1145 | ||
1146 | r = sd_event_run(s.events, -1); | |
d8dd35fd YW |
1147 | if (r < 0) |
1148 | return log_error_errno(r, "Failed to run event loop: %m"); | |
c064d8db ZJS |
1149 | } |
1150 | ||
d8dd35fd YW |
1151 | notify_message = NULL; |
1152 | (void) sd_notifyf(false, | |
1153 | "STOPPING=1\n" | |
1154 | "STATUS=Shutting down after writing %" PRIu64 " entries...", s.event_count); | |
c064d8db | 1155 | |
d8dd35fd | 1156 | log_info("Finishing after writing %" PRIu64 " entries", s.event_count); |
c064d8db | 1157 | |
d8dd35fd | 1158 | return 0; |
c064d8db | 1159 | } |
d8dd35fd YW |
1160 | |
1161 | DEFINE_MAIN_FUNCTION(run); |