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7b17a7d7 LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2012 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
22 | #include <stdlib.h> | |
23 | #include <string.h> | |
24 | #include <unistd.h> | |
25 | #include <fcntl.h> | |
26 | ||
27 | #include <microhttpd.h> | |
28 | ||
29 | #include "log.h" | |
30 | #include "util.h" | |
31 | #include "sd-journal.h" | |
32 | #include "sd-daemon.h" | |
33 | #include "logs-show.h" | |
34 | #include "virt.h" | |
35 | ||
36 | typedef struct RequestMeta { | |
37 | sd_journal *journal; | |
38 | ||
39 | OutputMode mode; | |
40 | ||
41 | char *cursor; | |
42 | int64_t n_skip; | |
43 | uint64_t n_entries; | |
44 | bool n_entries_set; | |
45 | ||
46 | FILE *tmp; | |
47 | uint64_t delta, size; | |
98206c93 LP |
48 | |
49 | int argument_parse_error; | |
7a69007a LP |
50 | |
51 | bool follow; | |
7b17a7d7 LP |
52 | } RequestMeta; |
53 | ||
54 | static const char* const mime_types[_OUTPUT_MODE_MAX] = { | |
55 | [OUTPUT_SHORT] = "text/plain", | |
56 | [OUTPUT_JSON] = "application/json", | |
57 | [OUTPUT_EXPORT] = "application/vnd.fdo.journal" | |
58 | }; | |
59 | ||
60 | static RequestMeta *request_meta(void **connection_cls) { | |
61 | RequestMeta *m; | |
62 | ||
63 | if (*connection_cls) | |
64 | return *connection_cls; | |
65 | ||
66 | m = new0(RequestMeta, 1); | |
67 | if (!m) | |
68 | return NULL; | |
69 | ||
70 | *connection_cls = m; | |
71 | return m; | |
72 | } | |
73 | ||
74 | static void request_meta_free( | |
75 | void *cls, | |
76 | struct MHD_Connection *connection, | |
77 | void **connection_cls, | |
78 | enum MHD_RequestTerminationCode toe) { | |
79 | ||
80 | RequestMeta *m = *connection_cls; | |
81 | ||
82 | if (!m) | |
83 | return; | |
84 | ||
85 | if (m->journal) | |
86 | sd_journal_close(m->journal); | |
87 | ||
88 | if (m->tmp) | |
89 | fclose(m->tmp); | |
90 | ||
91 | free(m->cursor); | |
92 | free(m); | |
93 | } | |
94 | ||
95 | static int open_journal(RequestMeta *m) { | |
96 | assert(m); | |
97 | ||
98 | if (m->journal) | |
99 | return 0; | |
100 | ||
101 | return sd_journal_open(&m->journal, SD_JOURNAL_LOCAL_ONLY|SD_JOURNAL_SYSTEM_ONLY); | |
102 | } | |
103 | ||
104 | ||
105 | static int respond_oom(struct MHD_Connection *connection) { | |
106 | struct MHD_Response *response; | |
107 | const char m[] = "Out of memory.\n"; | |
108 | int ret; | |
109 | ||
110 | assert(connection); | |
111 | ||
112 | response = MHD_create_response_from_buffer(sizeof(m)-1, (char*) m, MHD_RESPMEM_PERSISTENT); | |
113 | if (!response) | |
114 | return MHD_NO; | |
115 | ||
116 | MHD_add_response_header(response, "Content-Type", "text/plain"); | |
117 | ret = MHD_queue_response(connection, MHD_HTTP_SERVICE_UNAVAILABLE, response); | |
118 | MHD_destroy_response(response); | |
119 | ||
120 | return ret; | |
121 | } | |
122 | ||
123 | static int respond_error( | |
124 | struct MHD_Connection *connection, | |
125 | unsigned code, | |
126 | const char *format, ...) { | |
127 | ||
128 | struct MHD_Response *response; | |
129 | char *m; | |
130 | int r; | |
131 | va_list ap; | |
132 | ||
133 | assert(connection); | |
134 | assert(format); | |
135 | ||
136 | va_start(ap, format); | |
137 | r = vasprintf(&m, format, ap); | |
138 | va_end(ap); | |
139 | ||
140 | if (r < 0) | |
141 | return respond_oom(connection); | |
142 | ||
143 | response = MHD_create_response_from_buffer(strlen(m), m, MHD_RESPMEM_MUST_FREE); | |
144 | if (!response) { | |
145 | free(m); | |
146 | return respond_oom(connection); | |
147 | } | |
148 | ||
149 | MHD_add_response_header(response, "Content-Type", "text/plain"); | |
150 | r = MHD_queue_response(connection, code, response); | |
151 | MHD_destroy_response(response); | |
152 | ||
153 | return r; | |
154 | } | |
155 | ||
156 | static ssize_t request_reader_entries( | |
157 | void *cls, | |
158 | uint64_t pos, | |
159 | char *buf, | |
160 | size_t max) { | |
161 | ||
162 | RequestMeta *m = cls; | |
163 | int r; | |
164 | size_t n, k; | |
165 | ||
166 | assert(m); | |
167 | assert(buf); | |
168 | assert(max > 0); | |
169 | assert(pos >= m->delta); | |
170 | ||
171 | pos -= m->delta; | |
172 | ||
173 | while (pos >= m->size) { | |
174 | off_t sz; | |
175 | ||
176 | /* End of this entry, so let's serialize the next | |
177 | * one */ | |
178 | ||
179 | if (m->n_entries_set && | |
180 | m->n_entries <= 0) | |
181 | return MHD_CONTENT_READER_END_OF_STREAM; | |
182 | ||
183 | if (m->n_skip < 0) { | |
184 | r = sd_journal_previous_skip(m->journal, (uint64_t) -m->n_skip); | |
185 | ||
186 | /* We couldn't seek this far backwards? Then | |
187 | * let's try to look forward... */ | |
188 | if (r == 0) | |
189 | r = sd_journal_next(m->journal); | |
190 | ||
191 | } else if (m->n_skip > 0) | |
192 | r = sd_journal_next_skip(m->journal, (uint64_t) m->n_skip + 1); | |
193 | else | |
194 | r = sd_journal_next(m->journal); | |
195 | ||
196 | if (r < 0) { | |
197 | log_error("Failed to advance journal pointer: %s", strerror(-r)); | |
198 | return MHD_CONTENT_READER_END_WITH_ERROR; | |
7a69007a LP |
199 | } else if (r == 0) { |
200 | ||
201 | if (m->follow) { | |
202 | r = sd_journal_wait(m->journal, (uint64_t) -1); | |
203 | if (r < 0) { | |
204 | log_error("Couldn't wait for journal event: %s", strerror(-r)); | |
205 | return MHD_CONTENT_READER_END_WITH_ERROR; | |
206 | } | |
207 | ||
208 | continue; | |
209 | } | |
210 | ||
7b17a7d7 | 211 | return MHD_CONTENT_READER_END_OF_STREAM; |
7a69007a | 212 | } |
7b17a7d7 LP |
213 | |
214 | pos -= m->size; | |
215 | m->delta += m->size; | |
216 | ||
217 | if (m->n_entries_set) | |
218 | m->n_entries -= 1; | |
219 | ||
220 | m->n_skip = 0; | |
221 | ||
222 | if (m->tmp) | |
223 | rewind(m->tmp); | |
224 | else { | |
225 | m->tmp = tmpfile(); | |
226 | if (!m->tmp) { | |
227 | log_error("Failed to create temporary file: %m"); | |
228 | return MHD_CONTENT_READER_END_WITH_ERROR;; | |
229 | } | |
230 | } | |
231 | ||
232 | r = output_journal(m->tmp, m->journal, m->mode, 0, OUTPUT_FULL_WIDTH); | |
233 | if (r < 0) { | |
234 | log_error("Failed to serialize item: %s", strerror(-r)); | |
235 | return MHD_CONTENT_READER_END_WITH_ERROR; | |
236 | } | |
237 | ||
238 | sz = ftello(m->tmp); | |
239 | if (sz == (off_t) -1) { | |
240 | log_error("Failed to retrieve file position: %m"); | |
241 | return MHD_CONTENT_READER_END_WITH_ERROR; | |
242 | } | |
243 | ||
244 | m->size = (uint64_t) sz; | |
245 | } | |
246 | ||
247 | if (fseeko(m->tmp, pos, SEEK_SET) < 0) { | |
248 | log_error("Failed to seek to position: %m"); | |
249 | return MHD_CONTENT_READER_END_WITH_ERROR; | |
250 | } | |
251 | ||
252 | n = m->size - pos; | |
253 | if (n > max) | |
254 | n = max; | |
255 | ||
256 | errno = 0; | |
257 | k = fread(buf, 1, n, m->tmp); | |
258 | if (k != n) { | |
259 | log_error("Failed to read from file: %s", errno ? strerror(errno) : "Premature EOF"); | |
260 | return MHD_CONTENT_READER_END_WITH_ERROR; | |
261 | } | |
262 | ||
263 | return (ssize_t) k; | |
264 | } | |
265 | ||
266 | static int request_parse_accept( | |
267 | RequestMeta *m, | |
268 | struct MHD_Connection *connection) { | |
269 | ||
270 | const char *accept; | |
271 | ||
272 | assert(m); | |
273 | assert(connection); | |
274 | ||
275 | accept = MHD_lookup_connection_value(connection, MHD_HEADER_KIND, "Accept"); | |
276 | if (!accept) | |
277 | return 0; | |
278 | ||
279 | if (streq(accept, mime_types[OUTPUT_JSON])) | |
280 | m->mode = OUTPUT_JSON; | |
281 | else if (streq(accept, mime_types[OUTPUT_EXPORT])) | |
282 | m->mode = OUTPUT_EXPORT; | |
283 | else | |
284 | m->mode = OUTPUT_SHORT; | |
285 | ||
286 | return 0; | |
287 | } | |
288 | ||
289 | static int request_parse_range( | |
290 | RequestMeta *m, | |
291 | struct MHD_Connection *connection) { | |
292 | ||
293 | const char *range, *colon, *colon2; | |
294 | int r; | |
295 | ||
296 | assert(m); | |
297 | assert(connection); | |
298 | ||
299 | range = MHD_lookup_connection_value(connection, MHD_HEADER_KIND, "Range"); | |
300 | if (!range) | |
301 | return 0; | |
302 | ||
303 | if (!startswith(range, "entries=")) | |
304 | return 0; | |
305 | ||
306 | range += 8; | |
307 | range += strspn(range, WHITESPACE); | |
308 | ||
309 | colon = strchr(range, ':'); | |
310 | if (!colon) | |
311 | m->cursor = strdup(range); | |
312 | else { | |
313 | const char *p; | |
314 | ||
315 | colon2 = strchr(colon + 1, ':'); | |
316 | if (colon2) { | |
317 | char *t; | |
318 | ||
319 | t = strndup(colon + 1, colon2 - colon - 1); | |
320 | if (!t) | |
321 | return -ENOMEM; | |
322 | ||
323 | r = safe_atoi64(t, &m->n_skip); | |
324 | free(t); | |
325 | if (r < 0) | |
326 | return r; | |
327 | } | |
328 | ||
329 | p = (colon2 ? colon2 : colon) + 1; | |
330 | if (*p) { | |
331 | r = safe_atou64(p, &m->n_entries); | |
332 | if (r < 0) | |
333 | return r; | |
334 | ||
335 | if (m->n_entries <= 0) | |
336 | return -EINVAL; | |
337 | ||
338 | m->n_entries_set = true; | |
339 | } | |
340 | ||
341 | m->cursor = strndup(range, colon - range); | |
342 | } | |
343 | ||
344 | if (!m->cursor) | |
345 | return -ENOMEM; | |
346 | ||
347 | m->cursor[strcspn(m->cursor, WHITESPACE)] = 0; | |
348 | if (isempty(m->cursor)) { | |
349 | free(m->cursor); | |
350 | m->cursor = NULL; | |
351 | } | |
352 | ||
353 | return 0; | |
354 | } | |
355 | ||
98206c93 LP |
356 | static int request_parse_arguments_iterator( |
357 | void *cls, | |
358 | enum MHD_ValueKind kind, | |
359 | const char *key, | |
360 | const char *value) { | |
361 | ||
362 | RequestMeta *m = cls; | |
363 | _cleanup_free_ char *p = NULL; | |
364 | int r; | |
365 | ||
366 | assert(m); | |
367 | ||
368 | if (isempty(key)) { | |
369 | m->argument_parse_error = -EINVAL; | |
370 | return MHD_NO; | |
371 | } | |
372 | ||
7a69007a LP |
373 | if (streq(key, "follow")) { |
374 | if (isempty(value)) { | |
375 | m->follow = true; | |
376 | return MHD_YES; | |
377 | } | |
378 | ||
379 | r = parse_boolean(value); | |
380 | if (r < 0) { | |
381 | m->argument_parse_error = r; | |
382 | return MHD_NO; | |
383 | } | |
384 | ||
385 | m->follow = r; | |
386 | return MHD_YES; | |
387 | } | |
388 | ||
98206c93 LP |
389 | p = strjoin(key, "=", strempty(value), NULL); |
390 | if (!p) { | |
391 | m->argument_parse_error = log_oom(); | |
392 | return MHD_NO; | |
393 | } | |
394 | ||
395 | r = sd_journal_add_match(m->journal, p, 0); | |
396 | if (r < 0) { | |
397 | m->argument_parse_error = r; | |
398 | return MHD_NO; | |
399 | } | |
400 | ||
401 | return MHD_YES; | |
402 | } | |
403 | ||
404 | static int request_parse_arguments( | |
405 | RequestMeta *m, | |
406 | struct MHD_Connection *connection) { | |
407 | ||
408 | assert(m); | |
409 | assert(connection); | |
410 | ||
411 | m->argument_parse_error = 0; | |
412 | MHD_get_connection_values(connection, MHD_GET_ARGUMENT_KIND, request_parse_arguments_iterator, m); | |
413 | ||
414 | return m->argument_parse_error; | |
415 | } | |
416 | ||
7b17a7d7 LP |
417 | static int request_handler_entries( |
418 | struct MHD_Connection *connection, | |
419 | void **connection_cls) { | |
420 | ||
421 | struct MHD_Response *response; | |
422 | RequestMeta *m; | |
423 | int r; | |
424 | ||
425 | assert(connection); | |
426 | assert(connection_cls); | |
427 | ||
428 | m = request_meta(connection_cls); | |
429 | if (!m) | |
430 | return respond_oom(connection); | |
431 | ||
432 | r = open_journal(m); | |
433 | if (r < 0) | |
434 | return respond_error(connection, MHD_HTTP_INTERNAL_SERVER_ERROR, "Failed to open journal: %s\n", strerror(-r)); | |
435 | ||
436 | if (request_parse_accept(m, connection) < 0) | |
437 | return respond_error(connection, MHD_HTTP_BAD_REQUEST, "Failed to parse Accept header.\n"); | |
438 | ||
439 | if (request_parse_range(m, connection) < 0) | |
440 | return respond_error(connection, MHD_HTTP_BAD_REQUEST, "Failed to parse Range header.\n"); | |
441 | ||
98206c93 LP |
442 | if (request_parse_arguments(m, connection) < 0) |
443 | return respond_error(connection, MHD_HTTP_BAD_REQUEST, "Failed to parse URL arguments.\n"); | |
444 | ||
7b17a7d7 LP |
445 | /* log_info("cursor = %s", m->cursor); */ |
446 | /* log_info("skip = %lli", m->n_skip); */ | |
447 | /* if (!m->n_entries_set) */ | |
448 | /* log_info("n_entries not set!"); */ | |
449 | /* else */ | |
450 | /* log_info("n_entries = %llu", m->n_entries); */ | |
451 | ||
452 | if (m->cursor) | |
453 | r = sd_journal_seek_cursor(m->journal, m->cursor); | |
454 | else if (m->n_skip >= 0) | |
455 | r = sd_journal_seek_head(m->journal); | |
456 | else if (m->n_skip < 0) | |
457 | r = sd_journal_seek_tail(m->journal); | |
458 | if (r < 0) | |
459 | return respond_error(connection, MHD_HTTP_BAD_REQUEST, "Failed to seek in journal.\n"); | |
460 | ||
461 | response = MHD_create_response_from_callback(MHD_SIZE_UNKNOWN, 4*1024, request_reader_entries, m, NULL); | |
462 | if (!response) | |
463 | return respond_oom(connection); | |
464 | ||
465 | MHD_add_response_header(response, "Content-Type", mime_types[m->mode]); | |
466 | ||
467 | r = MHD_queue_response(connection, MHD_HTTP_OK, response); | |
468 | MHD_destroy_response(response); | |
469 | ||
470 | return r; | |
471 | } | |
472 | ||
473 | static int request_handler_redirect( | |
474 | struct MHD_Connection *connection, | |
475 | const char *target) { | |
476 | ||
477 | char *page; | |
478 | struct MHD_Response *response; | |
479 | int ret; | |
480 | ||
481 | assert(connection); | |
fadd79d2 | 482 | assert(target); |
7b17a7d7 LP |
483 | |
484 | if (asprintf(&page, "<html><body>Please continue to the <a href=\"%s\">journal browser</a>.</body></html>", target) < 0) | |
485 | return respond_oom(connection); | |
486 | ||
487 | response = MHD_create_response_from_buffer(strlen(page), page, MHD_RESPMEM_MUST_FREE); | |
488 | if (!response) { | |
489 | free(page); | |
490 | return respond_oom(connection); | |
491 | } | |
492 | ||
493 | MHD_add_response_header(response, "Content-Type", "text/html"); | |
494 | MHD_add_response_header(response, "Location", target); | |
495 | ||
496 | ret = MHD_queue_response(connection, MHD_HTTP_MOVED_PERMANENTLY, response); | |
497 | MHD_destroy_response(response); | |
498 | ||
499 | return ret; | |
500 | } | |
501 | ||
502 | static int request_handler_file( | |
503 | struct MHD_Connection *connection, | |
504 | const char *path, | |
505 | const char *mime_type) { | |
506 | ||
507 | struct MHD_Response *response; | |
508 | int ret; | |
509 | _cleanup_close_ int fd = -1; | |
510 | struct stat st; | |
511 | ||
512 | assert(connection); | |
513 | assert(path); | |
514 | assert(mime_type); | |
515 | ||
516 | fd = open(path, O_RDONLY|O_CLOEXEC); | |
517 | if (fd < 0) | |
518 | return respond_error(connection, MHD_HTTP_NOT_FOUND, "Failed to open file %s: %m\n", path); | |
519 | ||
520 | if (fstat(fd, &st) < 0) | |
521 | return respond_error(connection, MHD_HTTP_INTERNAL_SERVER_ERROR, "Failed to stat file: %m\n"); | |
522 | ||
523 | response = MHD_create_response_from_fd_at_offset(st.st_size, fd, 0); | |
524 | if (!response) | |
525 | return respond_oom(connection); | |
526 | ||
527 | fd = -1; | |
528 | ||
529 | MHD_add_response_header(response, "Content-Type", mime_type); | |
530 | ||
531 | ret = MHD_queue_response(connection, MHD_HTTP_OK, response); | |
532 | MHD_destroy_response(response); | |
533 | ||
534 | return ret; | |
535 | } | |
536 | ||
537 | static int request_handler_machine( | |
538 | struct MHD_Connection *connection, | |
539 | void **connection_cls) { | |
540 | ||
541 | struct MHD_Response *response; | |
542 | RequestMeta *m; | |
543 | int r; | |
544 | _cleanup_free_ char* hostname = NULL, *os_name = NULL; | |
545 | uint64_t cutoff_from, cutoff_to, usage; | |
546 | char *json; | |
547 | sd_id128_t mid, bid; | |
548 | const char *v = "bare"; | |
549 | ||
550 | assert(connection); | |
551 | ||
552 | m = request_meta(connection_cls); | |
553 | if (!m) | |
554 | return respond_oom(connection); | |
555 | ||
556 | r = open_journal(m); | |
557 | if (r < 0) | |
558 | return respond_error(connection, MHD_HTTP_INTERNAL_SERVER_ERROR, "Failed to open journal: %s\n", strerror(-r)); | |
559 | ||
560 | r = sd_id128_get_machine(&mid); | |
561 | if (r < 0) | |
562 | return respond_error(connection, MHD_HTTP_INTERNAL_SERVER_ERROR, "Failed to determine machine ID: %s\n", strerror(-r)); | |
563 | ||
564 | r = sd_id128_get_boot(&bid); | |
565 | if (r < 0) | |
566 | return respond_error(connection, MHD_HTTP_INTERNAL_SERVER_ERROR, "Failed to determine boot ID: %s\n", strerror(-r)); | |
567 | ||
568 | hostname = gethostname_malloc(); | |
569 | if (!hostname) | |
570 | return respond_oom(connection); | |
571 | ||
572 | r = sd_journal_get_usage(m->journal, &usage); | |
573 | if (r < 0) | |
574 | return respond_error(connection, MHD_HTTP_INTERNAL_SERVER_ERROR, "Failed to determine disk usage: %s\n", strerror(-r)); | |
575 | ||
576 | r = sd_journal_get_cutoff_realtime_usec(m->journal, &cutoff_from, &cutoff_to); | |
577 | if (r < 0) | |
578 | return respond_error(connection, MHD_HTTP_INTERNAL_SERVER_ERROR, "Failed to determine disk usage: %s\n", strerror(-r)); | |
579 | ||
580 | parse_env_file("/etc/os-release", NEWLINE, "PRETTY_NAME", &os_name, NULL); | |
581 | ||
582 | detect_virtualization(&v); | |
583 | ||
584 | r = asprintf(&json, | |
585 | "{ \"machine_id\" : \"" SD_ID128_FORMAT_STR "\"," | |
586 | "\"boot_id\" : \"" SD_ID128_FORMAT_STR "\"," | |
587 | "\"hostname\" : \"%s\"," | |
588 | "\"os_pretty_name\" : \"%s\"," | |
589 | "\"virtualization\" : \"%s\"," | |
590 | "\"usage\" : \"%llu\"," | |
591 | "\"cutoff_from_realtime\" : \"%llu\"," | |
592 | "\"cutoff_to_realtime\" : \"%llu\" }\n", | |
593 | SD_ID128_FORMAT_VAL(mid), | |
594 | SD_ID128_FORMAT_VAL(bid), | |
595 | hostname_cleanup(hostname), | |
596 | os_name ? os_name : "Linux", | |
597 | v, | |
598 | (unsigned long long) usage, | |
599 | (unsigned long long) cutoff_from, | |
600 | (unsigned long long) cutoff_to); | |
601 | ||
602 | if (r < 0) | |
603 | return respond_oom(connection); | |
604 | ||
605 | response = MHD_create_response_from_buffer(strlen(json), json, MHD_RESPMEM_MUST_FREE); | |
606 | if (!response) { | |
607 | free(json); | |
608 | return respond_oom(connection); | |
609 | } | |
610 | ||
611 | MHD_add_response_header(response, "Content-Type", "application/json"); | |
612 | r = MHD_queue_response(connection, MHD_HTTP_OK, response); | |
613 | MHD_destroy_response(response); | |
614 | ||
615 | return r; | |
616 | } | |
617 | ||
618 | static int request_handler( | |
619 | void *cls, | |
620 | struct MHD_Connection *connection, | |
621 | const char *url, | |
622 | const char *method, | |
623 | const char *version, | |
624 | const char *upload_data, | |
625 | size_t *upload_data_size, | |
626 | void **connection_cls) { | |
627 | ||
628 | assert(connection); | |
629 | assert(url); | |
630 | assert(method); | |
631 | ||
632 | if (!streq(method, "GET")) | |
633 | return MHD_NO; | |
634 | ||
635 | if (streq(url, "/")) | |
636 | return request_handler_redirect(connection, "/browse"); | |
637 | ||
638 | if (streq(url, "/entries")) | |
639 | return request_handler_entries(connection, connection_cls); | |
640 | ||
641 | if (streq(url, "/browse")) | |
642 | return request_handler_file(connection, DOCUMENT_ROOT "/browse.html", "text/html"); | |
643 | ||
644 | if (streq(url, "/machine")) | |
645 | return request_handler_machine(connection, connection_cls); | |
646 | ||
647 | return respond_error(connection, MHD_HTTP_NOT_FOUND, "Not found.\n"); | |
648 | } | |
649 | ||
650 | int main(int argc, char *argv[]) { | |
651 | struct MHD_Daemon *daemon = NULL; | |
652 | int r = EXIT_FAILURE, n; | |
653 | ||
654 | if (argc > 1) { | |
655 | log_error("This program does not take arguments."); | |
656 | goto finish; | |
657 | } | |
658 | ||
659 | log_set_target(LOG_TARGET_KMSG); | |
660 | log_parse_environment(); | |
661 | log_open(); | |
662 | ||
663 | n = sd_listen_fds(1); | |
664 | if (n < 0) { | |
665 | log_error("Failed to determine passed sockets: %s", strerror(-n)); | |
666 | goto finish; | |
667 | } else if (n > 1) { | |
668 | log_error("Can't listen on more than one socket."); | |
669 | goto finish; | |
670 | } else if (n > 0) { | |
671 | daemon = MHD_start_daemon( | |
672 | MHD_USE_THREAD_PER_CONNECTION|MHD_USE_POLL|MHD_USE_DEBUG, | |
673 | 19531, | |
674 | NULL, NULL, | |
675 | request_handler, NULL, | |
676 | MHD_OPTION_LISTEN_SOCKET, SD_LISTEN_FDS_START, | |
677 | MHD_OPTION_NOTIFY_COMPLETED, request_meta_free, NULL, | |
678 | MHD_OPTION_END); | |
679 | } else { | |
680 | daemon = MHD_start_daemon( | |
681 | MHD_USE_DEBUG|MHD_USE_THREAD_PER_CONNECTION|MHD_USE_POLL, | |
682 | 19531, | |
683 | NULL, NULL, | |
684 | request_handler, NULL, | |
685 | MHD_OPTION_NOTIFY_COMPLETED, request_meta_free, NULL, | |
686 | MHD_OPTION_END); | |
687 | } | |
688 | ||
689 | if (!daemon) { | |
690 | log_error("Failed to start daemon!"); | |
691 | goto finish; | |
692 | } | |
693 | ||
694 | pause(); | |
695 | ||
696 | r = EXIT_SUCCESS; | |
697 | ||
698 | finish: | |
699 | if (daemon) | |
700 | MHD_stop_daemon(daemon); | |
701 | ||
702 | return r; | |
703 | } |