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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
fdfccdbc ZJS |
2 | |
3 | #include <errno.h> | |
4 | #include <fcntl.h> | |
fdfccdbc ZJS |
5 | #include <stdio.h> |
6 | #include <stdlib.h> | |
7 | #include <string.h> | |
8 | #include <sys/prctl.h> | |
9 | #include <sys/socket.h> | |
5e38eb93 | 10 | #include <stdint.h> |
3f6fd1ba | 11 | |
fdfccdbc | 12 | #include "sd-daemon.h" |
3f6fd1ba | 13 | |
b5efdb8a | 14 | #include "alloc-util.h" |
a0f29c76 | 15 | #include "def.h" |
4ff9bc2e | 16 | #include "errno-util.h" |
4f5dd394 | 17 | #include "escape.h" |
3ffd4af2 | 18 | #include "fd-util.h" |
fdfccdbc | 19 | #include "journal-file.h" |
4f5dd394 | 20 | #include "journal-remote-write.h" |
3ffd4af2 | 21 | #include "journal-remote.h" |
fdfccdbc | 22 | #include "journald-native.h" |
fdfccdbc | 23 | #include "macro.h" |
6bedfcbb | 24 | #include "parse-util.h" |
dccca82b | 25 | #include "process-util.h" |
3f6fd1ba | 26 | #include "socket-util.h" |
15a5e950 | 27 | #include "stdio-util.h" |
07630cea | 28 | #include "string-util.h" |
fdfccdbc | 29 | #include "strv.h" |
fdfccdbc | 30 | |
8201af08 | 31 | #define REMOTE_JOURNAL_PATH "/var/log/journal/remote" |
fdfccdbc | 32 | |
9ff48d09 | 33 | #define filename_escape(s) xescape((s), "/ ") |
8201af08 | 34 | |
c064d8db ZJS |
35 | static int open_output(RemoteServer *s, Writer *w, const char* host) { |
36 | _cleanup_free_ char *_filename = NULL; | |
37 | const char *filename; | |
fdfccdbc ZJS |
38 | int r; |
39 | ||
c064d8db | 40 | switch (s->split_mode) { |
8201af08 | 41 | case JOURNAL_WRITE_SPLIT_NONE: |
c064d8db | 42 | filename = s->output; |
8201af08 | 43 | break; |
fdfccdbc | 44 | |
8201af08 ZJS |
45 | case JOURNAL_WRITE_SPLIT_HOST: { |
46 | _cleanup_free_ char *name; | |
fdfccdbc | 47 | |
8201af08 | 48 | assert(host); |
fdfccdbc | 49 | |
8201af08 ZJS |
50 | name = filename_escape(host); |
51 | if (!name) | |
52 | return log_oom(); | |
53 | ||
c064d8db | 54 | r = asprintf(&_filename, "%s/remote-%s.journal", s->output, name); |
fdfccdbc ZJS |
55 | if (r < 0) |
56 | return log_oom(); | |
8201af08 | 57 | |
c064d8db | 58 | filename = _filename; |
8201af08 ZJS |
59 | break; |
60 | } | |
61 | ||
62 | default: | |
63 | assert_not_reached("what?"); | |
fdfccdbc ZJS |
64 | } |
65 | ||
c064d8db | 66 | r = journal_file_open_reliably(filename, |
fdfccdbc | 67 | O_RDWR|O_CREAT, 0640, |
c064d8db | 68 | s->compress, (uint64_t) -1, s->seal, |
8201af08 | 69 | &w->metrics, |
b58c888f | 70 | w->mmap, NULL, |
8201af08 | 71 | NULL, &w->journal); |
fdfccdbc | 72 | if (r < 0) |
c064d8db ZJS |
73 | return log_error_errno(r, "Failed to open output journal %s: %m", filename); |
74 | ||
75 | log_debug("Opened output file %s", w->journal->path); | |
76 | return 0; | |
fdfccdbc ZJS |
77 | } |
78 | ||
cc64d017 ZJS |
79 | /********************************************************************** |
80 | ********************************************************************** | |
81 | **********************************************************************/ | |
82 | ||
9ff48d09 | 83 | static int init_writer_hashmap(RemoteServer *s) { |
c064d8db | 84 | static const struct hash_ops* const hash_ops[] = { |
d5099efc MS |
85 | [JOURNAL_WRITE_SPLIT_NONE] = NULL, |
86 | [JOURNAL_WRITE_SPLIT_HOST] = &string_hash_ops, | |
9ff48d09 ZJS |
87 | }; |
88 | ||
c064d8db ZJS |
89 | assert(s); |
90 | assert(s->split_mode >= 0 && s->split_mode < (int) ELEMENTSOF(hash_ops)); | |
cc64d017 | 91 | |
c064d8db | 92 | s->writers = hashmap_new(hash_ops[s->split_mode]); |
9ff48d09 ZJS |
93 | if (!s->writers) |
94 | return log_oom(); | |
95 | ||
96 | return 0; | |
97 | } | |
98 | ||
c064d8db | 99 | int journal_remote_get_writer(RemoteServer *s, const char *host, Writer **writer) { |
8e766630 | 100 | _cleanup_(writer_unrefp) Writer *w = NULL; |
9ff48d09 | 101 | const void *key; |
9ff48d09 ZJS |
102 | int r; |
103 | ||
c064d8db | 104 | switch(s->split_mode) { |
9ff48d09 ZJS |
105 | case JOURNAL_WRITE_SPLIT_NONE: |
106 | key = "one and only"; | |
107 | break; | |
108 | ||
109 | case JOURNAL_WRITE_SPLIT_HOST: | |
110 | assert(host); | |
111 | key = host; | |
112 | break; | |
113 | ||
114 | default: | |
115 | assert_not_reached("what split mode?"); | |
116 | } | |
117 | ||
118 | w = hashmap_get(s->writers, key); | |
119 | if (w) | |
120 | writer_ref(w); | |
121 | else { | |
122 | w = writer_new(s); | |
123 | if (!w) | |
124 | return log_oom(); | |
125 | ||
c064d8db | 126 | if (s->split_mode == JOURNAL_WRITE_SPLIT_HOST) { |
9ff48d09 ZJS |
127 | w->hashmap_key = strdup(key); |
128 | if (!w->hashmap_key) | |
129 | return log_oom(); | |
130 | } | |
cc64d017 | 131 | |
c064d8db | 132 | r = open_output(s, w, host); |
9ff48d09 ZJS |
133 | if (r < 0) |
134 | return r; | |
fdfccdbc | 135 | |
9ff48d09 ZJS |
136 | r = hashmap_put(s->writers, w->hashmap_key ?: key, w); |
137 | if (r < 0) | |
138 | return r; | |
139 | } | |
fdfccdbc | 140 | |
1cc6c93a YW |
141 | *writer = TAKE_PTR(w); |
142 | ||
9ff48d09 ZJS |
143 | return 0; |
144 | } | |
cc64d017 | 145 | |
9ff48d09 ZJS |
146 | /********************************************************************** |
147 | ********************************************************************** | |
148 | **********************************************************************/ | |
fdfccdbc | 149 | |
cc64d017 | 150 | /* This should go away as soon as µhttpd allows state to be passed around. */ |
c064d8db | 151 | RemoteServer *journal_remote_server_global; |
cc64d017 | 152 | |
fdfccdbc ZJS |
153 | static int dispatch_raw_source_event(sd_event_source *event, |
154 | int fd, | |
155 | uint32_t revents, | |
156 | void *userdata); | |
043945b9 ZJS |
157 | static int dispatch_raw_source_until_block(sd_event_source *event, |
158 | void *userdata); | |
70f1b2dd ZJS |
159 | static int dispatch_blocking_source_event(sd_event_source *event, |
160 | void *userdata); | |
fdfccdbc ZJS |
161 | static int dispatch_raw_connection_event(sd_event_source *event, |
162 | int fd, | |
163 | uint32_t revents, | |
164 | void *userdata); | |
165 | ||
9ff48d09 ZJS |
166 | static int get_source_for_fd(RemoteServer *s, |
167 | int fd, char *name, RemoteSource **source) { | |
168 | Writer *writer; | |
169 | int r; | |
170 | ||
1f8af042 ZJS |
171 | /* This takes ownership of name, but only on success. */ |
172 | ||
fdfccdbc ZJS |
173 | assert(fd >= 0); |
174 | assert(source); | |
175 | ||
ca2d3784 | 176 | if (!GREEDY_REALLOC0(s->sources, s->sources_size, fd + 1)) |
fdfccdbc ZJS |
177 | return log_oom(); |
178 | ||
c064d8db | 179 | r = journal_remote_get_writer(s, name, &writer); |
eb56eb9b MS |
180 | if (r < 0) |
181 | return log_warning_errno(r, "Failed to get writer for source %s: %m", | |
182 | name); | |
9ff48d09 | 183 | |
fdfccdbc | 184 | if (s->sources[fd] == NULL) { |
9ff48d09 ZJS |
185 | s->sources[fd] = source_new(fd, false, name, writer); |
186 | if (!s->sources[fd]) { | |
187 | writer_unref(writer); | |
fdfccdbc | 188 | return log_oom(); |
9ff48d09 ZJS |
189 | } |
190 | ||
fdfccdbc ZJS |
191 | s->active++; |
192 | } | |
193 | ||
194 | *source = s->sources[fd]; | |
195 | return 0; | |
196 | } | |
197 | ||
198 | static int remove_source(RemoteServer *s, int fd) { | |
199 | RemoteSource *source; | |
200 | ||
201 | assert(s); | |
ca2d3784 | 202 | assert(fd >= 0 && fd < (ssize_t) s->sources_size); |
fdfccdbc ZJS |
203 | |
204 | source = s->sources[fd]; | |
205 | if (source) { | |
8201af08 | 206 | /* this closes fd too */ |
fdfccdbc ZJS |
207 | source_free(source); |
208 | s->sources[fd] = NULL; | |
209 | s->active--; | |
210 | } | |
211 | ||
fdfccdbc ZJS |
212 | return 0; |
213 | } | |
214 | ||
c064d8db | 215 | int journal_remote_add_source(RemoteServer *s, int fd, char* name, bool own_name) { |
a7f7d1bd | 216 | RemoteSource *source = NULL; |
fdfccdbc ZJS |
217 | int r; |
218 | ||
1f8af042 ZJS |
219 | /* This takes ownership of name, even on failure, if own_name is true. */ |
220 | ||
fdfccdbc ZJS |
221 | assert(s); |
222 | assert(fd >= 0); | |
9ff48d09 | 223 | assert(name); |
fdfccdbc | 224 | |
9ff48d09 ZJS |
225 | if (!own_name) { |
226 | name = strdup(name); | |
227 | if (!name) | |
228 | return log_oom(); | |
229 | } | |
fdfccdbc | 230 | |
9ff48d09 | 231 | r = get_source_for_fd(s, fd, name, &source); |
fdfccdbc | 232 | if (r < 0) { |
c33b3297 MS |
233 | log_error_errno(r, "Failed to create source for fd:%d (%s): %m", |
234 | fd, name); | |
1f8af042 | 235 | free(name); |
fdfccdbc ZJS |
236 | return r; |
237 | } | |
8201af08 | 238 | |
fdfccdbc | 239 | r = sd_event_add_io(s->events, &source->event, |
8201af08 | 240 | fd, EPOLLIN|EPOLLRDHUP|EPOLLPRI, |
043945b9 ZJS |
241 | dispatch_raw_source_event, source); |
242 | if (r == 0) { | |
243 | /* Add additional source for buffer processing. It will be | |
244 | * enabled later. */ | |
245 | r = sd_event_add_defer(s->events, &source->buffer_event, | |
246 | dispatch_raw_source_until_block, source); | |
247 | if (r == 0) | |
248 | sd_event_source_set_enabled(source->buffer_event, SD_EVENT_OFF); | |
249 | } else if (r == -EPERM) { | |
70f1b2dd ZJS |
250 | log_debug("Falling back to sd_event_add_defer for fd:%d (%s)", fd, name); |
251 | r = sd_event_add_defer(s->events, &source->event, | |
252 | dispatch_blocking_source_event, source); | |
253 | if (r == 0) | |
254 | sd_event_source_set_enabled(source->event, SD_EVENT_ON); | |
255 | } | |
fdfccdbc | 256 | if (r < 0) { |
c33b3297 MS |
257 | log_error_errno(r, "Failed to register event source for fd:%d: %m", |
258 | fd); | |
fdfccdbc ZJS |
259 | goto error; |
260 | } | |
261 | ||
356779df | 262 | r = sd_event_source_set_description(source->event, name); |
43300d9d | 263 | if (r < 0) { |
da927ba9 | 264 | log_error_errno(r, "Failed to set source name for fd:%d: %m", fd); |
43300d9d ZJS |
265 | goto error; |
266 | } | |
267 | ||
fdfccdbc ZJS |
268 | return 1; /* work to do */ |
269 | ||
270 | error: | |
271 | remove_source(s, fd); | |
272 | return r; | |
273 | } | |
274 | ||
c064d8db | 275 | int journal_remote_add_raw_socket(RemoteServer *s, int fd) { |
8a8d55f2 | 276 | int r; |
43300d9d | 277 | _cleanup_close_ int fd_ = fd; |
fbd0b64f | 278 | char name[STRLEN("raw-socket-") + DECIMAL_STR_MAX(int) + 1]; |
43300d9d ZJS |
279 | |
280 | assert(fd >= 0); | |
fdfccdbc | 281 | |
8201af08 ZJS |
282 | r = sd_event_add_io(s->events, &s->listen_event, |
283 | fd, EPOLLIN, | |
fdfccdbc | 284 | dispatch_raw_connection_event, s); |
43300d9d | 285 | if (r < 0) |
fdfccdbc | 286 | return r; |
fdfccdbc | 287 | |
5ffa8c81 | 288 | xsprintf(name, "raw-socket-%d", fd); |
43300d9d | 289 | |
356779df | 290 | r = sd_event_source_set_description(s->listen_event, name); |
43300d9d ZJS |
291 | if (r < 0) |
292 | return r; | |
293 | ||
294 | fd_ = -1; | |
313cefa1 | 295 | s->active++; |
fdfccdbc ZJS |
296 | return 0; |
297 | } | |
298 | ||
8201af08 ZJS |
299 | /********************************************************************** |
300 | ********************************************************************** | |
301 | **********************************************************************/ | |
302 | ||
c064d8db ZJS |
303 | int journal_remote_server_init( |
304 | RemoteServer *s, | |
305 | const char *output, | |
306 | JournalWriteSplitMode split_mode, | |
307 | bool compress, | |
308 | bool seal) { | |
cc64d017 | 309 | |
fdfccdbc ZJS |
310 | int r; |
311 | ||
312 | assert(s); | |
313 | ||
c064d8db ZJS |
314 | assert(journal_remote_server_global == NULL); |
315 | journal_remote_server_global = s; | |
fdfccdbc | 316 | |
c064d8db ZJS |
317 | s->split_mode = split_mode; |
318 | s->compress = compress; | |
319 | s->seal = seal; | |
43300d9d | 320 | |
c064d8db ZJS |
321 | if (output) |
322 | s->output = output; | |
323 | else if (split_mode == JOURNAL_WRITE_SPLIT_NONE) | |
324 | s->output = REMOTE_JOURNAL_PATH "/remote.journal"; | |
325 | else if (split_mode == JOURNAL_WRITE_SPLIT_HOST) | |
326 | s->output = REMOTE_JOURNAL_PATH; | |
42b6bf75 | 327 | else |
c064d8db | 328 | assert_not_reached("bad split mode"); |
ad95fd1d | 329 | |
b1604b34 | 330 | r = sd_event_default(&s->events); |
23bbb0de MS |
331 | if (r < 0) |
332 | return log_error_errno(r, "Failed to allocate event loop: %m"); | |
fdfccdbc | 333 | |
22259a00 JL |
334 | r = init_writer_hashmap(s); |
335 | if (r < 0) | |
336 | return r; | |
337 | ||
8201af08 | 338 | return 0; |
fdfccdbc ZJS |
339 | } |
340 | ||
63e2ebcd | 341 | #if HAVE_MICROHTTPD |
1599f593 ZJS |
342 | static void MHDDaemonWrapper_free(MHDDaemonWrapper *d) { |
343 | MHD_stop_daemon(d->daemon); | |
344 | sd_event_source_unref(d->io_event); | |
345 | sd_event_source_unref(d->timer_event); | |
346 | free(d); | |
347 | } | |
63e2ebcd | 348 | #endif |
1599f593 | 349 | |
94952201 | 350 | void journal_remote_server_destroy(RemoteServer *s) { |
ca2d3784 | 351 | size_t i; |
cc64d017 | 352 | |
63e2ebcd | 353 | #if HAVE_MICROHTTPD |
1599f593 | 354 | hashmap_free_with_destructor(s->daemons, MHDDaemonWrapper_free); |
63e2ebcd | 355 | #endif |
cc64d017 | 356 | |
fdfccdbc | 357 | assert(s->sources_size == 0 || s->sources); |
cc64d017 | 358 | for (i = 0; i < s->sources_size; i++) |
fdfccdbc | 359 | remove_source(s, i); |
fdfccdbc ZJS |
360 | free(s->sources); |
361 | ||
9ff48d09 ZJS |
362 | writer_unref(s->_single_writer); |
363 | hashmap_free(s->writers); | |
364 | ||
fdfccdbc ZJS |
365 | sd_event_source_unref(s->sigterm_event); |
366 | sd_event_source_unref(s->sigint_event); | |
367 | sd_event_source_unref(s->listen_event); | |
368 | sd_event_unref(s->events); | |
369 | ||
c064d8db ZJS |
370 | if (s == journal_remote_server_global) |
371 | journal_remote_server_global = NULL; | |
372 | ||
fdfccdbc | 373 | /* fds that we're listening on remain open... */ |
fdfccdbc ZJS |
374 | } |
375 | ||
376 | /********************************************************************** | |
377 | ********************************************************************** | |
378 | **********************************************************************/ | |
379 | ||
864876ec ZJS |
380 | int journal_remote_handle_raw_source( |
381 | sd_event_source *event, | |
382 | int fd, | |
383 | uint32_t revents, | |
384 | RemoteServer *s) { | |
fdfccdbc | 385 | |
fdfccdbc ZJS |
386 | RemoteSource *source; |
387 | int r; | |
388 | ||
043945b9 ZJS |
389 | /* Returns 1 if there might be more data pending, |
390 | * 0 if data is currently exhausted, negative on error. | |
391 | */ | |
392 | ||
ca2d3784 | 393 | assert(fd >= 0 && fd < (ssize_t) s->sources_size); |
fdfccdbc | 394 | source = s->sources[fd]; |
b18453ed | 395 | assert(source->importer.fd == fd); |
fdfccdbc | 396 | |
c064d8db | 397 | r = process_source(source, s->compress, s->seal); |
b18453ed | 398 | if (journal_importer_eof(&source->importer)) { |
4a0a6ac0 ZJS |
399 | size_t remaining; |
400 | ||
b18453ed ZJS |
401 | log_debug("EOF reached with source %s (fd=%d)", |
402 | source->importer.name, source->importer.fd); | |
4a0a6ac0 | 403 | |
b18453ed | 404 | remaining = journal_importer_bytes_remaining(&source->importer); |
4a0a6ac0 | 405 | if (remaining > 0) |
0e72da6f | 406 | log_notice("Premature EOF. %zu bytes lost.", remaining); |
b18453ed | 407 | remove_source(s, source->importer.fd); |
0e72da6f | 408 | log_debug("%zu active sources remaining", s->active); |
8201af08 | 409 | return 0; |
fdfccdbc | 410 | } else if (r == -E2BIG) { |
ef4d6abe ZJS |
411 | log_notice("Entry with too many fields, skipped"); |
412 | return 1; | |
413 | } else if (r == -ENOBUFS) { | |
d4e98880 | 414 | log_notice("Entry too big, skipped"); |
8201af08 | 415 | return 1; |
ff55c3c7 | 416 | } else if (r == -EAGAIN) { |
8201af08 ZJS |
417 | return 0; |
418 | } else if (r < 0) { | |
0e72da6f | 419 | log_debug_errno(r, "Closing connection: %m"); |
c064d8db | 420 | remove_source(s, fd); |
8201af08 ZJS |
421 | return 0; |
422 | } else | |
423 | return 1; | |
fdfccdbc ZJS |
424 | } |
425 | ||
043945b9 ZJS |
426 | static int dispatch_raw_source_until_block(sd_event_source *event, |
427 | void *userdata) { | |
428 | RemoteSource *source = userdata; | |
429 | int r; | |
430 | ||
431 | /* Make sure event stays around even if source is destroyed */ | |
432 | sd_event_source_ref(event); | |
433 | ||
864876ec | 434 | r = journal_remote_handle_raw_source(event, source->importer.fd, EPOLLIN, journal_remote_server_global); |
043945b9 ZJS |
435 | if (r != 1) |
436 | /* No more data for now */ | |
437 | sd_event_source_set_enabled(event, SD_EVENT_OFF); | |
438 | ||
439 | sd_event_source_unref(event); | |
440 | ||
441 | return r; | |
442 | } | |
443 | ||
444 | static int dispatch_raw_source_event(sd_event_source *event, | |
445 | int fd, | |
446 | uint32_t revents, | |
447 | void *userdata) { | |
448 | RemoteSource *source = userdata; | |
449 | int r; | |
450 | ||
451 | assert(source->event); | |
452 | assert(source->buffer_event); | |
453 | ||
864876ec | 454 | r = journal_remote_handle_raw_source(event, fd, EPOLLIN, journal_remote_server_global); |
043945b9 ZJS |
455 | if (r == 1) |
456 | /* Might have more data. We need to rerun the handler | |
457 | * until we are sure the buffer is exhausted. */ | |
458 | sd_event_source_set_enabled(source->buffer_event, SD_EVENT_ON); | |
459 | ||
460 | return r; | |
461 | } | |
462 | ||
70f1b2dd ZJS |
463 | static int dispatch_blocking_source_event(sd_event_source *event, |
464 | void *userdata) { | |
465 | RemoteSource *source = userdata; | |
466 | ||
864876ec | 467 | return journal_remote_handle_raw_source(event, source->importer.fd, EPOLLIN, journal_remote_server_global); |
70f1b2dd ZJS |
468 | } |
469 | ||
4ff9bc2e LP |
470 | static int accept_connection( |
471 | const char* type, | |
472 | int fd, | |
473 | SocketAddress *addr, | |
474 | char **hostname) { | |
475 | ||
476 | _cleanup_close_ int fd2 = -1; | |
477 | int r; | |
fdfccdbc | 478 | |
cc64d017 ZJS |
479 | log_debug("Accepting new %s connection on fd:%d", type, fd); |
480 | fd2 = accept4(fd, &addr->sockaddr.sa, &addr->size, SOCK_NONBLOCK|SOCK_CLOEXEC); | |
4ff9bc2e LP |
481 | if (fd2 < 0) { |
482 | if (ERRNO_IS_ACCEPT_AGAIN(errno)) | |
483 | return -EAGAIN; | |
484 | ||
4a62c710 | 485 | return log_error_errno(errno, "accept() on fd:%d failed: %m", fd); |
4ff9bc2e | 486 | } |
fdfccdbc | 487 | |
cc64d017 | 488 | switch(socket_address_family(addr)) { |
fdfccdbc ZJS |
489 | case AF_INET: |
490 | case AF_INET6: { | |
8201af08 ZJS |
491 | _cleanup_free_ char *a = NULL; |
492 | char *b; | |
fdfccdbc | 493 | |
cc64d017 | 494 | r = socket_address_print(addr, &a); |
4ff9bc2e LP |
495 | if (r < 0) |
496 | return log_error_errno(r, "socket_address_print(): %m"); | |
fdfccdbc | 497 | |
8201af08 | 498 | r = socknameinfo_pretty(&addr->sockaddr, addr->size, &b); |
4ff9bc2e LP |
499 | if (r < 0) |
500 | return log_error_errno(r, "Resolving hostname failed: %m"); | |
8201af08 | 501 | |
0e72da6f ZJS |
502 | log_debug("Accepted %s %s connection from %s", |
503 | type, | |
504 | socket_address_family(addr) == AF_INET ? "IP" : "IPv6", | |
505 | a); | |
cc64d017 | 506 | |
8201af08 | 507 | *hostname = b; |
4ff9bc2e LP |
508 | return TAKE_FD(fd2); |
509 | } | |
8201af08 | 510 | |
fdfccdbc | 511 | default: |
4ff9bc2e LP |
512 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
513 | "Rejected %s connection with unsupported family %d", | |
514 | type, socket_address_family(addr)); | |
fdfccdbc | 515 | } |
cc64d017 | 516 | } |
fdfccdbc | 517 | |
4ff9bc2e LP |
518 | static int dispatch_raw_connection_event( |
519 | sd_event_source *event, | |
520 | int fd, | |
521 | uint32_t revents, | |
522 | void *userdata) { | |
523 | ||
cc64d017 | 524 | RemoteServer *s = userdata; |
1f8af042 | 525 | int fd2; |
cc64d017 ZJS |
526 | SocketAddress addr = { |
527 | .size = sizeof(union sockaddr_union), | |
528 | .type = SOCK_STREAM, | |
529 | }; | |
a7f7d1bd | 530 | char *hostname = NULL; |
fdfccdbc | 531 | |
8201af08 | 532 | fd2 = accept_connection("raw", fd, &addr, &hostname); |
4ff9bc2e LP |
533 | if (fd2 == -EAGAIN) |
534 | return 0; | |
cc64d017 ZJS |
535 | if (fd2 < 0) |
536 | return fd2; | |
fdfccdbc | 537 | |
c064d8db | 538 | return journal_remote_add_source(s, fd2, hostname, true); |
fdfccdbc | 539 | } |