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Diffstat (limited to 'src/rest/gnunet-rest-server.c')
-rw-r--r-- | src/rest/gnunet-rest-server.c | 1279 |
1 files changed, 0 insertions, 1279 deletions
diff --git a/src/rest/gnunet-rest-server.c b/src/rest/gnunet-rest-server.c deleted file mode 100644 index 63847587b..000000000 --- a/src/rest/gnunet-rest-server.c +++ /dev/null | |||
@@ -1,1279 +0,0 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet. | ||
3 | Copyright (C) 2012-2015 GNUnet e.V. | ||
4 | |||
5 | GNUnet is free software: you can redistribute it and/or modify it | ||
6 | under the terms of the GNU Affero General Public License as published | ||
7 | by the Free Software Foundation, either version 3 of the License, | ||
8 | or (at your option) any later version. | ||
9 | |||
10 | GNUnet is distributed in the hope that it will be useful, but | ||
11 | WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | Affero General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Affero General Public License | ||
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
17 | |||
18 | SPDX-License-Identifier: AGPL3.0-or-later | ||
19 | */ | ||
20 | /** | ||
21 | * @author Martin Schanzenbach | ||
22 | * @file src/rest/gnunet-rest-server.c | ||
23 | * @brief REST service for GNUnet services | ||
24 | * | ||
25 | */ | ||
26 | #include "platform.h" | ||
27 | #include <microhttpd.h> | ||
28 | #include "gnunet_util_lib.h" | ||
29 | #include "gnunet_rest_plugin.h" | ||
30 | #include "gnunet_mhd_compat.h" | ||
31 | |||
32 | /** | ||
33 | * Default Socks5 listen port. | ||
34 | */ | ||
35 | #define GNUNET_REST_SERVICE_PORT 7776 | ||
36 | |||
37 | /** | ||
38 | * Maximum supported length for a URI. | ||
39 | * Should die. @deprecated | ||
40 | */ | ||
41 | #define MAX_HTTP_URI_LENGTH 2048 | ||
42 | |||
43 | /** | ||
44 | * Port for plaintext HTTP. | ||
45 | */ | ||
46 | #define HTTP_PORT 80 | ||
47 | |||
48 | /** | ||
49 | * Port for HTTPS. | ||
50 | */ | ||
51 | #define HTTPS_PORT 443 | ||
52 | |||
53 | /** | ||
54 | * After how long do we clean up unused MHD SSL/TLS instances? | ||
55 | */ | ||
56 | #define MHD_CACHE_TIMEOUT \ | ||
57 | GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 5) | ||
58 | |||
59 | #define GN_REST_STATE_INIT 0 | ||
60 | #define GN_REST_STATE_PROCESSING 1 | ||
61 | |||
62 | /** | ||
63 | * The task ID | ||
64 | */ | ||
65 | static struct GNUNET_SCHEDULER_Task *httpd_task; | ||
66 | |||
67 | /** | ||
68 | * The address to bind to | ||
69 | */ | ||
70 | static in_addr_t address; | ||
71 | |||
72 | /** | ||
73 | * The IPv6 address to bind to | ||
74 | */ | ||
75 | static struct in6_addr address6; | ||
76 | |||
77 | /** | ||
78 | * The port the service is running on (default 7776) | ||
79 | */ | ||
80 | static unsigned long long port = GNUNET_REST_SERVICE_PORT; | ||
81 | |||
82 | /** | ||
83 | * The listen socket of the service for IPv4 | ||
84 | */ | ||
85 | static struct GNUNET_NETWORK_Handle *lsock4; | ||
86 | |||
87 | /** | ||
88 | * The listen socket of the service for IPv6 | ||
89 | */ | ||
90 | static struct GNUNET_NETWORK_Handle *lsock6; | ||
91 | |||
92 | /** | ||
93 | * The listen task ID for IPv4 | ||
94 | */ | ||
95 | static struct GNUNET_SCHEDULER_Task *ltask4; | ||
96 | |||
97 | /** | ||
98 | * The listen task ID for IPv6 | ||
99 | */ | ||
100 | static struct GNUNET_SCHEDULER_Task *ltask6; | ||
101 | |||
102 | /** | ||
103 | * Daemon for HTTP | ||
104 | */ | ||
105 | static struct MHD_Daemon *httpd; | ||
106 | |||
107 | /** | ||
108 | * Response we return on failures. | ||
109 | */ | ||
110 | static struct MHD_Response *failure_response; | ||
111 | |||
112 | /** | ||
113 | * Our configuration. | ||
114 | */ | ||
115 | static const struct GNUNET_CONFIGURATION_Handle *cfg; | ||
116 | |||
117 | /** | ||
118 | * Echo request Origin in CORS | ||
119 | */ | ||
120 | static int echo_origin; | ||
121 | |||
122 | /** | ||
123 | * Allowed Origins (CORS) | ||
124 | */ | ||
125 | static char *allow_origins; | ||
126 | |||
127 | /** | ||
128 | * Allowed Headers (CORS) | ||
129 | */ | ||
130 | static char *allow_headers; | ||
131 | |||
132 | /** | ||
133 | * Allowed Credentials (CORS) | ||
134 | */ | ||
135 | static char *allow_credentials; | ||
136 | |||
137 | /** | ||
138 | * Plugin list head | ||
139 | */ | ||
140 | static struct PluginListEntry *plugins_head; | ||
141 | |||
142 | /** | ||
143 | * Plugin list tail | ||
144 | */ | ||
145 | static struct PluginListEntry *plugins_tail; | ||
146 | |||
147 | /** | ||
148 | * A plugin list entry | ||
149 | */ | ||
150 | struct PluginListEntry | ||
151 | { | ||
152 | /* DLL */ | ||
153 | struct PluginListEntry *next; | ||
154 | |||
155 | /* DLL */ | ||
156 | struct PluginListEntry *prev; | ||
157 | |||
158 | /** | ||
159 | * libname (to cleanup) | ||
160 | */ | ||
161 | char *libname; | ||
162 | |||
163 | /** | ||
164 | * The plugin | ||
165 | */ | ||
166 | struct GNUNET_REST_Plugin *plugin; | ||
167 | }; | ||
168 | |||
169 | /** | ||
170 | * MHD Connection handle | ||
171 | */ | ||
172 | struct MhdConnectionHandle | ||
173 | { | ||
174 | struct MHD_Connection *con; | ||
175 | |||
176 | struct MHD_Response *response; | ||
177 | |||
178 | struct GNUNET_REST_RequestHandle *data_handle; | ||
179 | |||
180 | struct MHD_PostProcessor *pp; | ||
181 | |||
182 | int status; | ||
183 | |||
184 | int state; | ||
185 | }; | ||
186 | |||
187 | /** | ||
188 | * Accepted requests | ||
189 | */ | ||
190 | struct AcceptedRequest | ||
191 | { | ||
192 | /** | ||
193 | * DLL | ||
194 | */ | ||
195 | struct AcceptedRequest *next; | ||
196 | |||
197 | /** | ||
198 | * DLL | ||
199 | */ | ||
200 | struct AcceptedRequest *prev; | ||
201 | |||
202 | /** | ||
203 | * Socket | ||
204 | */ | ||
205 | struct GNUNET_NETWORK_Handle *sock; | ||
206 | |||
207 | /** | ||
208 | * Connection | ||
209 | */ | ||
210 | struct MhdConnectionHandle *con_handle; | ||
211 | |||
212 | /** | ||
213 | * State | ||
214 | */ | ||
215 | int socket_with_mhd; | ||
216 | }; | ||
217 | |||
218 | /** | ||
219 | * AcceptedRequest list head | ||
220 | */ | ||
221 | static struct AcceptedRequest *req_list_head; | ||
222 | |||
223 | /** | ||
224 | * AcceptedRequest list tail | ||
225 | */ | ||
226 | static struct AcceptedRequest *req_list_tail; | ||
227 | |||
228 | /* ************************* Global helpers ********************* */ | ||
229 | |||
230 | |||
231 | /** | ||
232 | * Task run whenever HTTP server operations are pending. | ||
233 | * | ||
234 | * @param cls NULL | ||
235 | */ | ||
236 | static void | ||
237 | do_httpd (void *cls); | ||
238 | |||
239 | |||
240 | /** | ||
241 | * Run MHD now, we have extra data ready for the callback. | ||
242 | */ | ||
243 | static void | ||
244 | run_mhd_now () | ||
245 | { | ||
246 | if (NULL != httpd_task) | ||
247 | { | ||
248 | GNUNET_SCHEDULER_cancel (httpd_task); | ||
249 | httpd_task = NULL; | ||
250 | } | ||
251 | httpd_task = GNUNET_SCHEDULER_add_now (&do_httpd, NULL); | ||
252 | } | ||
253 | |||
254 | |||
255 | /** | ||
256 | * Plugin result callback | ||
257 | * | ||
258 | * @param cls closure (MHD connection handle) | ||
259 | * @param data the data to return to the caller | ||
260 | * @param len length of the data | ||
261 | * @param status #GNUNET_OK if successful | ||
262 | */ | ||
263 | static void | ||
264 | plugin_callback (void *cls, struct MHD_Response *resp, int status) | ||
265 | { | ||
266 | struct MhdConnectionHandle *handle = cls; | ||
267 | |||
268 | handle->status = status; | ||
269 | handle->response = resp; | ||
270 | MHD_resume_connection (handle->con); | ||
271 | run_mhd_now (); | ||
272 | } | ||
273 | |||
274 | |||
275 | static int | ||
276 | cleanup_url_map (void *cls, const struct GNUNET_HashCode *key, void *value) | ||
277 | { | ||
278 | GNUNET_free (value); | ||
279 | return GNUNET_YES; | ||
280 | } | ||
281 | |||
282 | static void | ||
283 | cleanup_handle (struct MhdConnectionHandle *handle) | ||
284 | { | ||
285 | if (NULL != handle->response) | ||
286 | MHD_destroy_response (handle->response); | ||
287 | if (NULL != handle->data_handle) | ||
288 | { | ||
289 | if (NULL != handle->data_handle->header_param_map) | ||
290 | { | ||
291 | GNUNET_CONTAINER_multihashmap_iterate (handle->data_handle | ||
292 | ->header_param_map, | ||
293 | &cleanup_url_map, | ||
294 | NULL); | ||
295 | GNUNET_CONTAINER_multihashmap_destroy ( | ||
296 | handle->data_handle->header_param_map); | ||
297 | } | ||
298 | if (NULL != handle->data_handle->url_param_map) | ||
299 | { | ||
300 | GNUNET_CONTAINER_multihashmap_iterate (handle->data_handle->url_param_map, | ||
301 | &cleanup_url_map, | ||
302 | NULL); | ||
303 | GNUNET_CONTAINER_multihashmap_destroy ( | ||
304 | handle->data_handle->url_param_map); | ||
305 | } | ||
306 | GNUNET_free (handle->data_handle); | ||
307 | } | ||
308 | GNUNET_free (handle); | ||
309 | } | ||
310 | |||
311 | static void | ||
312 | cleanup_ar (struct AcceptedRequest *ar) | ||
313 | { | ||
314 | if (NULL != ar->con_handle) | ||
315 | { | ||
316 | cleanup_handle (ar->con_handle); | ||
317 | } | ||
318 | if (GNUNET_YES == ar->socket_with_mhd) | ||
319 | { | ||
320 | GNUNET_NETWORK_socket_free_memory_only_ (ar->sock); | ||
321 | } else { | ||
322 | GNUNET_NETWORK_socket_close (ar->sock); | ||
323 | } | ||
324 | ar->sock = NULL; | ||
325 | GNUNET_CONTAINER_DLL_remove (req_list_head, | ||
326 | req_list_tail, | ||
327 | ar); | ||
328 | GNUNET_free (ar); | ||
329 | } | ||
330 | |||
331 | static int | ||
332 | header_iterator (void *cls, | ||
333 | enum MHD_ValueKind kind, | ||
334 | const char *key, | ||
335 | const char *value) | ||
336 | { | ||
337 | struct GNUNET_REST_RequestHandle *handle = cls; | ||
338 | struct GNUNET_HashCode hkey; | ||
339 | char *val; | ||
340 | char *lowerkey; | ||
341 | |||
342 | lowerkey = GNUNET_strdup (key); | ||
343 | GNUNET_STRINGS_utf8_tolower (key, lowerkey); | ||
344 | GNUNET_CRYPTO_hash (lowerkey, strlen (lowerkey), &hkey); | ||
345 | GNUNET_asprintf (&val, "%s", value); | ||
346 | if (GNUNET_OK != GNUNET_CONTAINER_multihashmap_put ( | ||
347 | handle->header_param_map, | ||
348 | &hkey, | ||
349 | val, | ||
350 | GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY)) | ||
351 | { | ||
352 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, | ||
353 | "Could not load add header `%s'=%s\n", | ||
354 | lowerkey, | ||
355 | value); | ||
356 | } | ||
357 | GNUNET_free (lowerkey); | ||
358 | return MHD_YES; | ||
359 | } | ||
360 | |||
361 | |||
362 | static int | ||
363 | url_iterator (void *cls, | ||
364 | enum MHD_ValueKind kind, | ||
365 | const char *key, | ||
366 | const char *value) | ||
367 | { | ||
368 | struct GNUNET_REST_RequestHandle *handle = cls; | ||
369 | struct GNUNET_HashCode hkey; | ||
370 | char *val; | ||
371 | |||
372 | GNUNET_CRYPTO_hash (key, strlen (key), &hkey); | ||
373 | GNUNET_asprintf (&val, "%s", value); | ||
374 | if (GNUNET_OK != GNUNET_CONTAINER_multihashmap_put ( | ||
375 | handle->url_param_map, | ||
376 | &hkey, | ||
377 | val, | ||
378 | GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY)) | ||
379 | { | ||
380 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, | ||
381 | "Could not load add url param `%s'=%s\n", | ||
382 | key, | ||
383 | value); | ||
384 | } | ||
385 | return MHD_YES; | ||
386 | } | ||
387 | |||
388 | |||
389 | static MHD_RESULT | ||
390 | post_data_iter (void *cls, | ||
391 | enum MHD_ValueKind kind, | ||
392 | const char *key, | ||
393 | const char *filename, | ||
394 | const char *content_type, | ||
395 | const char *transfer_encoding, | ||
396 | const char *data, | ||
397 | uint64_t off, | ||
398 | size_t size) | ||
399 | { | ||
400 | struct GNUNET_REST_RequestHandle *handle = cls; | ||
401 | struct GNUNET_HashCode hkey; | ||
402 | char *val; | ||
403 | |||
404 | if (MHD_POSTDATA_KIND != kind) | ||
405 | return MHD_YES; | ||
406 | |||
407 | GNUNET_CRYPTO_hash (key, strlen (key), &hkey); | ||
408 | val = GNUNET_CONTAINER_multihashmap_get (handle->url_param_map, | ||
409 | &hkey); | ||
410 | if (NULL == val) | ||
411 | { | ||
412 | val = GNUNET_malloc (65536); | ||
413 | if (GNUNET_OK != GNUNET_CONTAINER_multihashmap_put ( | ||
414 | handle->url_param_map, | ||
415 | &hkey, | ||
416 | val, | ||
417 | GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY)) | ||
418 | { | ||
419 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, | ||
420 | "Could not add url param '%s'\n", | ||
421 | key); | ||
422 | GNUNET_free (val); | ||
423 | } | ||
424 | } | ||
425 | memcpy (val + off, data, size); | ||
426 | return MHD_YES; | ||
427 | } | ||
428 | |||
429 | |||
430 | /* ********************************* MHD response generation ******************* */ | ||
431 | |||
432 | /** | ||
433 | * Main MHD callback for handling requests. | ||
434 | * | ||
435 | * @param cls unused | ||
436 | * @param con MHD connection handle | ||
437 | * @param url the url in the request | ||
438 | * @param meth the HTTP method used ("GET", "PUT", etc.) | ||
439 | * @param ver the HTTP version string ("HTTP/1.1" for version 1.1, etc.) | ||
440 | * @param upload_data the data being uploaded (excluding HEADERS, | ||
441 | * for a POST that fits into memory and that is encoded | ||
442 | * with a supported encoding, the POST data will NOT be | ||
443 | * given in upload_data and is instead available as | ||
444 | * part of MHD_get_connection_values; very large POST | ||
445 | * data *will* be made available incrementally in | ||
446 | * upload_data) | ||
447 | * @param upload_data_size set initially to the size of the | ||
448 | * @a upload_data provided; the method must update this | ||
449 | * value to the number of bytes NOT processed; | ||
450 | * @param con_cls pointer to location where we store the 'struct Request' | ||
451 | * @return #MHD_YES if the connection was handled successfully, | ||
452 | * #MHD_NO if the socket must be closed due to a serious | ||
453 | * error while handling the request | ||
454 | */ | ||
455 | static MHD_RESULT | ||
456 | create_response (void *cls, | ||
457 | struct MHD_Connection *con, | ||
458 | const char *url, | ||
459 | const char *meth, | ||
460 | const char *ver, | ||
461 | const char *upload_data, | ||
462 | size_t *upload_data_size, | ||
463 | void **con_cls) | ||
464 | { | ||
465 | char *origin; | ||
466 | struct AcceptedRequest *ar; | ||
467 | struct GNUNET_HashCode key; | ||
468 | struct MhdConnectionHandle *con_handle; | ||
469 | struct GNUNET_REST_RequestHandle *rest_conndata_handle; | ||
470 | struct PluginListEntry *ple; | ||
471 | |||
472 | ar = *con_cls; | ||
473 | if (NULL == ar) | ||
474 | { | ||
475 | GNUNET_break (0); | ||
476 | return MHD_NO; | ||
477 | } | ||
478 | |||
479 | if (NULL == ar->con_handle) | ||
480 | { | ||
481 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "New connection %s\n", url); | ||
482 | con_handle = GNUNET_new (struct MhdConnectionHandle); | ||
483 | con_handle->con = con; | ||
484 | con_handle->state = GN_REST_STATE_INIT; | ||
485 | ar->con_handle = con_handle; | ||
486 | return MHD_YES; | ||
487 | } | ||
488 | con_handle = ar->con_handle; | ||
489 | if (GN_REST_STATE_INIT == con_handle->state) | ||
490 | { | ||
491 | rest_conndata_handle = GNUNET_new (struct GNUNET_REST_RequestHandle); | ||
492 | rest_conndata_handle->method = meth; | ||
493 | rest_conndata_handle->url = url; | ||
494 | rest_conndata_handle->data = upload_data; | ||
495 | rest_conndata_handle->data_size = *upload_data_size; | ||
496 | rest_conndata_handle->url_param_map = | ||
497 | GNUNET_CONTAINER_multihashmap_create (16, GNUNET_NO); | ||
498 | rest_conndata_handle->header_param_map = | ||
499 | GNUNET_CONTAINER_multihashmap_create (16, GNUNET_NO); | ||
500 | con_handle->data_handle = rest_conndata_handle; | ||
501 | MHD_get_connection_values (con, | ||
502 | MHD_GET_ARGUMENT_KIND, | ||
503 | (MHD_KeyValueIterator) & url_iterator, | ||
504 | rest_conndata_handle); | ||
505 | MHD_get_connection_values (con, | ||
506 | MHD_HEADER_KIND, | ||
507 | (MHD_KeyValueIterator) & header_iterator, | ||
508 | rest_conndata_handle); | ||
509 | |||
510 | con_handle->pp = MHD_create_post_processor (con, | ||
511 | 65536, | ||
512 | &post_data_iter, | ||
513 | rest_conndata_handle); | ||
514 | if (*upload_data_size) | ||
515 | { | ||
516 | MHD_post_process (con_handle->pp, upload_data, *upload_data_size); | ||
517 | } | ||
518 | MHD_destroy_post_processor (con_handle->pp); | ||
519 | |||
520 | con_handle->state = GN_REST_STATE_PROCESSING; | ||
521 | for (ple = plugins_head; NULL != ple; ple = ple->next) | ||
522 | { | ||
523 | if (GNUNET_YES == ple->plugin->process_request (rest_conndata_handle, | ||
524 | &plugin_callback, | ||
525 | con_handle)) | ||
526 | break; /* Request handled */ | ||
527 | } | ||
528 | if (NULL == ple) | ||
529 | { | ||
530 | /** Request not handled **/ | ||
531 | MHD_queue_response (con, MHD_HTTP_NOT_FOUND, failure_response); | ||
532 | } | ||
533 | *upload_data_size = 0; | ||
534 | run_mhd_now (); | ||
535 | return MHD_YES; | ||
536 | } | ||
537 | if (NULL == con_handle->response) | ||
538 | { | ||
539 | // Suspend connection until plugin is done | ||
540 | MHD_suspend_connection (con_handle->con); | ||
541 | return MHD_YES; | ||
542 | } | ||
543 | //MHD_resume_connection (con_handle->con); | ||
544 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
545 | "Queueing response from plugin with MHD\n"); | ||
546 | // Handle Preflights for extensions | ||
547 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Checking origin\n"); | ||
548 | GNUNET_CRYPTO_hash ("origin", strlen ("origin"), &key); | ||
549 | origin = GNUNET_CONTAINER_multihashmap_get (con_handle->data_handle | ||
550 | ->header_param_map, | ||
551 | &key); | ||
552 | if (NULL != origin) | ||
553 | { | ||
554 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Origin: %s\n", origin); | ||
555 | // Only echo for browser plugins | ||
556 | if (GNUNET_YES == echo_origin) | ||
557 | { | ||
558 | if ((0 == | ||
559 | strncmp ("moz-extension://", origin, strlen ("moz-extension://"))) || | ||
560 | (0 == strncmp ("chrome-extension://", | ||
561 | origin, | ||
562 | strlen ("chrome-extension://")))) | ||
563 | { | ||
564 | MHD_add_response_header (con_handle->response, | ||
565 | MHD_HTTP_HEADER_ACCESS_CONTROL_ALLOW_ORIGIN, | ||
566 | origin); | ||
567 | } | ||
568 | } | ||
569 | if (NULL != allow_origins) | ||
570 | { | ||
571 | char *tmp = GNUNET_strdup (allow_origins); | ||
572 | char *allow_origin = strtok (tmp, ","); | ||
573 | while (NULL != allow_origin) | ||
574 | { | ||
575 | if (0 == strncmp (allow_origin, origin, strlen (allow_origin))) | ||
576 | { | ||
577 | MHD_add_response_header (con_handle->response, | ||
578 | MHD_HTTP_HEADER_ACCESS_CONTROL_ALLOW_ORIGIN, | ||
579 | allow_origin); | ||
580 | break; | ||
581 | } | ||
582 | allow_origin = strtok (NULL, ","); | ||
583 | } | ||
584 | GNUNET_free (tmp); | ||
585 | } | ||
586 | } | ||
587 | if (NULL != allow_credentials) | ||
588 | { | ||
589 | MHD_add_response_header (con_handle->response, | ||
590 | "Access-Control-Allow-Credentials", | ||
591 | allow_credentials); | ||
592 | } | ||
593 | if (NULL != allow_headers) | ||
594 | { | ||
595 | MHD_add_response_header (con_handle->response, | ||
596 | "Access-Control-Allow-Headers", | ||
597 | allow_headers); | ||
598 | } | ||
599 | run_mhd_now (); | ||
600 | { | ||
601 | MHD_RESULT ret = MHD_queue_response (con, | ||
602 | con_handle->status, | ||
603 | con_handle->response); | ||
604 | //cleanup_handle (con_handle); | ||
605 | return ret; | ||
606 | } | ||
607 | } | ||
608 | |||
609 | |||
610 | /* ******************** MHD HTTP setup and event loop ******************** */ | ||
611 | |||
612 | |||
613 | /** | ||
614 | * Kill the MHD daemon. | ||
615 | */ | ||
616 | static void | ||
617 | kill_httpd () | ||
618 | { | ||
619 | if (NULL != httpd) | ||
620 | { | ||
621 | MHD_stop_daemon (httpd); | ||
622 | httpd = NULL; | ||
623 | } | ||
624 | if (NULL != httpd_task) | ||
625 | { | ||
626 | GNUNET_SCHEDULER_cancel (httpd_task); | ||
627 | httpd_task = NULL; | ||
628 | } | ||
629 | if (NULL != ltask4) | ||
630 | { | ||
631 | GNUNET_SCHEDULER_cancel (ltask4); | ||
632 | ltask4 = NULL; | ||
633 | } | ||
634 | if (NULL != ltask6) | ||
635 | { | ||
636 | GNUNET_SCHEDULER_cancel (ltask6); | ||
637 | ltask6 = NULL; | ||
638 | } | ||
639 | |||
640 | if (NULL != lsock4) | ||
641 | { | ||
642 | GNUNET_NETWORK_socket_close (lsock4); | ||
643 | lsock4 = NULL; | ||
644 | } | ||
645 | if (NULL != lsock6) | ||
646 | { | ||
647 | GNUNET_NETWORK_socket_close (lsock6); | ||
648 | lsock6 = NULL; | ||
649 | } | ||
650 | } | ||
651 | |||
652 | |||
653 | /** | ||
654 | * Schedule MHD. This function should be called initially when an | ||
655 | * MHD is first getting its client socket, and will then automatically | ||
656 | * always be called later whenever there is work to be done. | ||
657 | * | ||
658 | * @param hd the daemon to schedule | ||
659 | */ | ||
660 | static void | ||
661 | schedule_httpd () | ||
662 | { | ||
663 | fd_set rs; | ||
664 | fd_set ws; | ||
665 | fd_set es; | ||
666 | struct GNUNET_NETWORK_FDSet *wrs; | ||
667 | struct GNUNET_NETWORK_FDSet *wws; | ||
668 | int max; | ||
669 | int haveto; | ||
670 | MHD_UNSIGNED_LONG_LONG timeout; | ||
671 | struct GNUNET_TIME_Relative tv; | ||
672 | |||
673 | FD_ZERO (&rs); | ||
674 | FD_ZERO (&ws); | ||
675 | FD_ZERO (&es); | ||
676 | max = -1; | ||
677 | if (MHD_YES != MHD_get_fdset (httpd, &rs, &ws, &es, &max)) | ||
678 | { | ||
679 | kill_httpd (); | ||
680 | return; | ||
681 | } | ||
682 | haveto = MHD_get_timeout (httpd, &timeout); | ||
683 | if (MHD_YES == haveto) | ||
684 | tv.rel_value_us = (uint64_t) timeout * 1000LL; | ||
685 | else | ||
686 | tv = GNUNET_TIME_UNIT_FOREVER_REL; | ||
687 | if (-1 != max) | ||
688 | { | ||
689 | wrs = GNUNET_NETWORK_fdset_create (); | ||
690 | wws = GNUNET_NETWORK_fdset_create (); | ||
691 | GNUNET_NETWORK_fdset_copy_native (wrs, &rs, max + 1); | ||
692 | GNUNET_NETWORK_fdset_copy_native (wws, &ws, max + 1); | ||
693 | } | ||
694 | else | ||
695 | { | ||
696 | wrs = NULL; | ||
697 | wws = NULL; | ||
698 | } | ||
699 | if (NULL != httpd_task) | ||
700 | { | ||
701 | GNUNET_SCHEDULER_cancel (httpd_task); | ||
702 | httpd_task = NULL; | ||
703 | } | ||
704 | if ((MHD_YES == haveto) || (-1 != max)) | ||
705 | { | ||
706 | httpd_task = GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT, | ||
707 | tv, | ||
708 | wrs, | ||
709 | wws, | ||
710 | &do_httpd, | ||
711 | NULL); | ||
712 | } | ||
713 | if (NULL != wrs) | ||
714 | GNUNET_NETWORK_fdset_destroy (wrs); | ||
715 | if (NULL != wws) | ||
716 | GNUNET_NETWORK_fdset_destroy (wws); | ||
717 | } | ||
718 | |||
719 | /** | ||
720 | * Function called when MHD first processes an incoming connection. | ||
721 | * Gives us the respective URI information. | ||
722 | * | ||
723 | * We use this to associate the `struct MHD_Connection` with our | ||
724 | * internal `struct AcceptedRequest` data structure (by checking | ||
725 | * for matching sockets). | ||
726 | * | ||
727 | * @param cls the HTTP server handle (a `struct MhdHttpList`) | ||
728 | * @param url the URL that is being requested | ||
729 | * @param connection MHD connection object for the request | ||
730 | * @return the `struct Socks5Request` that this @a connection is for | ||
731 | */ | ||
732 | static void * | ||
733 | mhd_log_callback (void *cls, | ||
734 | const char *url, | ||
735 | struct MHD_Connection *connection) | ||
736 | { | ||
737 | struct AcceptedRequest *ar; | ||
738 | const union MHD_ConnectionInfo *ci; | ||
739 | |||
740 | ci = MHD_get_connection_info (connection, | ||
741 | MHD_CONNECTION_INFO_SOCKET_CONTEXT); | ||
742 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Processing %s\n", url); | ||
743 | if (NULL == ci) | ||
744 | { | ||
745 | GNUNET_break (0); | ||
746 | return NULL; | ||
747 | } | ||
748 | ar = ci->socket_context; | ||
749 | return ar; | ||
750 | } | ||
751 | |||
752 | |||
753 | |||
754 | /** | ||
755 | * Function called when MHD decides that we are done with a connection. | ||
756 | * | ||
757 | * @param cls NULL | ||
758 | * @param connection connection handle | ||
759 | * @param con_cls value as set by the last call to | ||
760 | * the MHD_AccessHandlerCallback, should be our handle | ||
761 | * @param toe reason for request termination (ignored) | ||
762 | */ | ||
763 | static void | ||
764 | mhd_completed_cb (void *cls, | ||
765 | struct MHD_Connection *connection, | ||
766 | void **con_cls, | ||
767 | enum MHD_RequestTerminationCode toe) | ||
768 | { | ||
769 | struct AcceptedRequest *ar = *con_cls; | ||
770 | if (MHD_REQUEST_TERMINATED_COMPLETED_OK != toe) | ||
771 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, | ||
772 | "MHD encountered error handling request: %d\n", | ||
773 | toe); | ||
774 | if (NULL == ar) | ||
775 | return; | ||
776 | if (NULL != ar->con_handle) | ||
777 | { | ||
778 | cleanup_handle (ar->con_handle); | ||
779 | ar->con_handle = NULL; | ||
780 | } | ||
781 | ar->socket_with_mhd = GNUNET_YES; | ||
782 | *con_cls = NULL; | ||
783 | } | ||
784 | |||
785 | /** | ||
786 | * Function called when MHD connection is opened or closed. | ||
787 | * | ||
788 | * @param cls NULL | ||
789 | * @param connection connection handle | ||
790 | * @param con_cls value as set by the last call to | ||
791 | * the MHD_AccessHandlerCallback, should be our `struct Socks5Request *` | ||
792 | * @param toe connection notification type | ||
793 | */ | ||
794 | static void | ||
795 | mhd_connection_cb (void *cls, | ||
796 | struct MHD_Connection *connection, | ||
797 | void **con_cls, | ||
798 | enum MHD_ConnectionNotificationCode cnc) | ||
799 | { | ||
800 | struct AcceptedRequest *ar; | ||
801 | const union MHD_ConnectionInfo *ci; | ||
802 | int sock; | ||
803 | |||
804 | switch (cnc) | ||
805 | { | ||
806 | case MHD_CONNECTION_NOTIFY_STARTED: | ||
807 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Connection started...\n"); | ||
808 | ci = MHD_get_connection_info (connection, | ||
809 | MHD_CONNECTION_INFO_CONNECTION_FD); | ||
810 | if (NULL == ci) | ||
811 | { | ||
812 | GNUNET_break (0); | ||
813 | return; | ||
814 | } | ||
815 | sock = ci->connect_fd; | ||
816 | for (ar = req_list_head; NULL != ar; ar = ar->next) | ||
817 | { | ||
818 | if (GNUNET_NETWORK_get_fd (ar->sock) == sock) | ||
819 | { | ||
820 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
821 | "Context set...\n"); | ||
822 | *con_cls = ar; | ||
823 | break; | ||
824 | } | ||
825 | } | ||
826 | break; | ||
827 | |||
828 | case MHD_CONNECTION_NOTIFY_CLOSED: | ||
829 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
830 | "Connection closed... cleaning up\n"); | ||
831 | ar = *con_cls; | ||
832 | if (NULL == ar) | ||
833 | { | ||
834 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, | ||
835 | "Connection stale!\n"); | ||
836 | return; | ||
837 | } | ||
838 | cleanup_ar (ar); | ||
839 | *con_cls = NULL; | ||
840 | break; | ||
841 | |||
842 | default: | ||
843 | GNUNET_break (0); | ||
844 | } | ||
845 | } | ||
846 | |||
847 | |||
848 | |||
849 | /** | ||
850 | * Task run whenever HTTP server operations are pending. | ||
851 | * | ||
852 | * @param cls NULL | ||
853 | */ | ||
854 | static void | ||
855 | do_httpd (void *cls) | ||
856 | { | ||
857 | httpd_task = NULL; | ||
858 | MHD_run (httpd); | ||
859 | schedule_httpd (); | ||
860 | } | ||
861 | |||
862 | |||
863 | /** | ||
864 | * Accept new incoming connections | ||
865 | * | ||
866 | * @param cls the closure with the lsock4 or lsock6 | ||
867 | * @param tc the scheduler context | ||
868 | */ | ||
869 | static void | ||
870 | do_accept (void *cls) | ||
871 | { | ||
872 | struct GNUNET_NETWORK_Handle *lsock = cls; | ||
873 | struct AcceptedRequest *ar; | ||
874 | int fd; | ||
875 | const struct sockaddr *addr; | ||
876 | socklen_t len; | ||
877 | |||
878 | GNUNET_assert (NULL != lsock); | ||
879 | if (lsock == lsock4) | ||
880 | { | ||
881 | ltask4 = GNUNET_SCHEDULER_add_read_net (GNUNET_TIME_UNIT_FOREVER_REL, | ||
882 | lsock, | ||
883 | &do_accept, | ||
884 | lsock); | ||
885 | } | ||
886 | else if (lsock == lsock6) | ||
887 | { | ||
888 | ltask6 = GNUNET_SCHEDULER_add_read_net (GNUNET_TIME_UNIT_FOREVER_REL, | ||
889 | lsock, | ||
890 | &do_accept, | ||
891 | lsock); | ||
892 | } | ||
893 | else | ||
894 | GNUNET_assert (0); | ||
895 | ar = GNUNET_new (struct AcceptedRequest); | ||
896 | ar->socket_with_mhd = GNUNET_YES; | ||
897 | ar->sock = GNUNET_NETWORK_socket_accept (lsock, NULL, NULL); | ||
898 | if (NULL == ar->sock) | ||
899 | { | ||
900 | GNUNET_free (ar); | ||
901 | GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "accept"); | ||
902 | return; | ||
903 | } | ||
904 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
905 | "Got an inbound connection, waiting for data\n"); | ||
906 | fd = GNUNET_NETWORK_get_fd (ar->sock); | ||
907 | addr = GNUNET_NETWORK_get_addr (ar->sock); | ||
908 | len = GNUNET_NETWORK_get_addrlen (ar->sock); | ||
909 | GNUNET_CONTAINER_DLL_insert (req_list_head, | ||
910 | req_list_tail, | ||
911 | ar); | ||
912 | if (MHD_YES != MHD_add_connection (httpd, fd, addr, len)) | ||
913 | { | ||
914 | GNUNET_NETWORK_socket_close (ar->sock); | ||
915 | GNUNET_free (ar); | ||
916 | GNUNET_log (GNUNET_ERROR_TYPE_WARNING, | ||
917 | _ ("Failed to pass client to MHD\n")); | ||
918 | return; | ||
919 | } | ||
920 | schedule_httpd (); | ||
921 | } | ||
922 | |||
923 | |||
924 | /** | ||
925 | * Task run on shutdown | ||
926 | * | ||
927 | * @param cls closure | ||
928 | */ | ||
929 | static void | ||
930 | do_shutdown (void *cls) | ||
931 | { | ||
932 | struct PluginListEntry *ple; | ||
933 | |||
934 | while (NULL != plugins_head) | ||
935 | { | ||
936 | ple = plugins_head; | ||
937 | GNUNET_CONTAINER_DLL_remove (plugins_head, | ||
938 | plugins_tail, | ||
939 | ple); | ||
940 | GNUNET_PLUGIN_unload (ple->libname, ple->plugin); | ||
941 | GNUNET_free (ple->libname); | ||
942 | GNUNET_free (ple); | ||
943 | } | ||
944 | GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Shutting down...\n"); | ||
945 | kill_httpd (); | ||
946 | GNUNET_free (allow_credentials); | ||
947 | GNUNET_free (allow_headers); | ||
948 | } | ||
949 | |||
950 | |||
951 | /** | ||
952 | * Create an IPv4 listen socket bound to our port. | ||
953 | * | ||
954 | * @return NULL on error | ||
955 | */ | ||
956 | static struct GNUNET_NETWORK_Handle * | ||
957 | bind_v4 () | ||
958 | { | ||
959 | struct GNUNET_NETWORK_Handle *ls; | ||
960 | struct sockaddr_in sa4; | ||
961 | int eno; | ||
962 | |||
963 | memset (&sa4, 0, sizeof(sa4)); | ||
964 | sa4.sin_family = AF_INET; | ||
965 | sa4.sin_port = htons (port); | ||
966 | sa4.sin_addr.s_addr = address; | ||
967 | #if HAVE_SOCKADDR_IN_SIN_LEN | ||
968 | sa4.sin_len = sizeof(sa4); | ||
969 | #endif | ||
970 | ls = GNUNET_NETWORK_socket_create (AF_INET, SOCK_STREAM, 0); | ||
971 | if (NULL == ls) | ||
972 | return NULL; | ||
973 | if (GNUNET_OK != GNUNET_NETWORK_socket_bind (ls, | ||
974 | (const struct sockaddr *) &sa4, | ||
975 | sizeof(sa4))) | ||
976 | { | ||
977 | eno = errno; | ||
978 | GNUNET_NETWORK_socket_close (ls); | ||
979 | errno = eno; | ||
980 | return NULL; | ||
981 | } | ||
982 | return ls; | ||
983 | } | ||
984 | |||
985 | |||
986 | /** | ||
987 | * Create an IPv6 listen socket bound to our port. | ||
988 | * | ||
989 | * @return NULL on error | ||
990 | */ | ||
991 | static struct GNUNET_NETWORK_Handle * | ||
992 | bind_v6 () | ||
993 | { | ||
994 | struct GNUNET_NETWORK_Handle *ls; | ||
995 | struct sockaddr_in6 sa6; | ||
996 | int eno; | ||
997 | |||
998 | memset (&sa6, 0, sizeof(sa6)); | ||
999 | sa6.sin6_family = AF_INET6; | ||
1000 | sa6.sin6_port = htons (port); | ||
1001 | sa6.sin6_addr = address6; | ||
1002 | #if HAVE_SOCKADDR_IN_SIN_LEN | ||
1003 | sa6.sin6_len = sizeof(sa6); | ||
1004 | #endif | ||
1005 | ls = GNUNET_NETWORK_socket_create (AF_INET6, SOCK_STREAM, 0); | ||
1006 | if (NULL == ls) | ||
1007 | return NULL; | ||
1008 | if (GNUNET_OK != GNUNET_NETWORK_socket_bind (ls, | ||
1009 | (const struct sockaddr *) &sa6, | ||
1010 | sizeof(sa6))) | ||
1011 | { | ||
1012 | eno = errno; | ||
1013 | GNUNET_NETWORK_socket_close (ls); | ||
1014 | errno = eno; | ||
1015 | return NULL; | ||
1016 | } | ||
1017 | return ls; | ||
1018 | } | ||
1019 | |||
1020 | |||
1021 | /** | ||
1022 | * Callback for plugin load | ||
1023 | * | ||
1024 | * @param cls NULL | ||
1025 | * @param libname the name of the library loaded | ||
1026 | * @param lib_ret the object returned by the plugin initializer | ||
1027 | */ | ||
1028 | static void | ||
1029 | load_plugin (void *cls, const char *libname, void *lib_ret) | ||
1030 | { | ||
1031 | struct GNUNET_REST_Plugin *plugin = lib_ret; | ||
1032 | struct PluginListEntry *ple; | ||
1033 | |||
1034 | if (NULL == lib_ret) | ||
1035 | { | ||
1036 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
1037 | "Could not load plugin `%s'\n", | ||
1038 | libname); | ||
1039 | return; | ||
1040 | } | ||
1041 | GNUNET_assert (1 < strlen (plugin->name)); | ||
1042 | GNUNET_assert ('/' == *plugin->name); | ||
1043 | ple = GNUNET_new (struct PluginListEntry); | ||
1044 | ple->libname = GNUNET_strdup (libname); | ||
1045 | ple->plugin = plugin; | ||
1046 | GNUNET_CONTAINER_DLL_insert (plugins_head, | ||
1047 | plugins_tail, | ||
1048 | ple); | ||
1049 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Loaded plugin `%s'\n", libname); | ||
1050 | } | ||
1051 | |||
1052 | |||
1053 | /** | ||
1054 | * Main function that will be run | ||
1055 | * | ||
1056 | * @param cls closure | ||
1057 | * @param args remaining command-line arguments | ||
1058 | * @param cfgfile name of the configuration file used (for saving, can be NULL) | ||
1059 | * @param c configuration | ||
1060 | */ | ||
1061 | static void | ||
1062 | run (void *cls, | ||
1063 | char *const *args, | ||
1064 | const char *cfgfile, | ||
1065 | const struct GNUNET_CONFIGURATION_Handle *c) | ||
1066 | { | ||
1067 | char *addr_str; | ||
1068 | |||
1069 | cfg = c; | ||
1070 | plugins_head = NULL; | ||
1071 | plugins_tail = NULL; | ||
1072 | /* Get port to bind to */ | ||
1073 | if (GNUNET_OK != | ||
1074 | GNUNET_CONFIGURATION_get_value_number (cfg, "rest", "HTTP_PORT", &port)) | ||
1075 | { | ||
1076 | // No address specified | ||
1077 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Using default port...\n"); | ||
1078 | port = GNUNET_REST_SERVICE_PORT; | ||
1079 | } | ||
1080 | |||
1081 | /* Get address to bind to */ | ||
1082 | if (GNUNET_OK != | ||
1083 | GNUNET_CONFIGURATION_get_value_string (cfg, "rest", "BIND_TO", &addr_str)) | ||
1084 | { | ||
1085 | // No address specified | ||
1086 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Don't know what to bind to...\n"); | ||
1087 | GNUNET_SCHEDULER_shutdown (); | ||
1088 | return; | ||
1089 | } | ||
1090 | if (1 != inet_pton (AF_INET, addr_str, &address)) | ||
1091 | { | ||
1092 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, | ||
1093 | "Unable to parse address %s\n", | ||
1094 | addr_str); | ||
1095 | GNUNET_free (addr_str); | ||
1096 | GNUNET_SCHEDULER_shutdown (); | ||
1097 | return; | ||
1098 | } | ||
1099 | GNUNET_free (addr_str); | ||
1100 | /* Get address to bind to */ | ||
1101 | if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (cfg, | ||
1102 | "rest", | ||
1103 | "BIND_TO6", | ||
1104 | &addr_str)) | ||
1105 | { | ||
1106 | // No address specified | ||
1107 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Don't know what to bind6 to...\n"); | ||
1108 | GNUNET_SCHEDULER_shutdown (); | ||
1109 | return; | ||
1110 | } | ||
1111 | if (1 != inet_pton (AF_INET6, addr_str, &address6)) | ||
1112 | { | ||
1113 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, | ||
1114 | "Unable to parse IPv6 address %s\n", | ||
1115 | addr_str); | ||
1116 | GNUNET_free (addr_str); | ||
1117 | GNUNET_SCHEDULER_shutdown (); | ||
1118 | return; | ||
1119 | } | ||
1120 | GNUNET_free (addr_str); | ||
1121 | |||
1122 | |||
1123 | /* Get CORS data from cfg */ | ||
1124 | echo_origin = | ||
1125 | GNUNET_CONFIGURATION_get_value_yesno (cfg, | ||
1126 | "rest", | ||
1127 | "REST_ECHO_ORIGIN_WEBEXT"); | ||
1128 | allow_origins = NULL; | ||
1129 | if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (cfg, | ||
1130 | "rest", | ||
1131 | "REST_ALLOW_ORIGIN", | ||
1132 | &allow_origins)) | ||
1133 | { | ||
1134 | GNUNET_log (GNUNET_ERROR_TYPE_INFO, | ||
1135 | "No CORS Access-Control-Allow-Origin header will be sent...\n"); | ||
1136 | } | ||
1137 | if (GNUNET_OK != | ||
1138 | GNUNET_CONFIGURATION_get_value_string (cfg, | ||
1139 | "rest", | ||
1140 | "REST_ALLOW_CREDENTIALS", | ||
1141 | &allow_credentials)) | ||
1142 | { | ||
1143 | // No origin specified | ||
1144 | GNUNET_log (GNUNET_ERROR_TYPE_INFO, | ||
1145 | "No CORS Credential Header will be sent...\n"); | ||
1146 | } | ||
1147 | |||
1148 | if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (cfg, | ||
1149 | "rest", | ||
1150 | "REST_ALLOW_HEADERS", | ||
1151 | &allow_headers)) | ||
1152 | { | ||
1153 | // No origin specified | ||
1154 | GNUNET_log (GNUNET_ERROR_TYPE_INFO, | ||
1155 | "No CORS Access-Control-Allow-Headers Header will be sent...\n"); | ||
1156 | } | ||
1157 | |||
1158 | /* Open listen socket proxy */ | ||
1159 | lsock6 = bind_v6 (); | ||
1160 | if (NULL == lsock6) | ||
1161 | { | ||
1162 | GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "bind"); | ||
1163 | } | ||
1164 | else | ||
1165 | { | ||
1166 | if (GNUNET_OK != GNUNET_NETWORK_socket_listen (lsock6, 5)) | ||
1167 | { | ||
1168 | GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "listen"); | ||
1169 | GNUNET_NETWORK_socket_close (lsock6); | ||
1170 | lsock6 = NULL; | ||
1171 | } | ||
1172 | else | ||
1173 | { | ||
1174 | ltask6 = GNUNET_SCHEDULER_add_read_net (GNUNET_TIME_UNIT_FOREVER_REL, | ||
1175 | lsock6, | ||
1176 | &do_accept, | ||
1177 | lsock6); | ||
1178 | } | ||
1179 | } | ||
1180 | lsock4 = bind_v4 (); | ||
1181 | if (NULL == lsock4) | ||
1182 | { | ||
1183 | GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "bind"); | ||
1184 | } | ||
1185 | else | ||
1186 | { | ||
1187 | if (GNUNET_OK != GNUNET_NETWORK_socket_listen (lsock4, 5)) | ||
1188 | { | ||
1189 | GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "listen"); | ||
1190 | GNUNET_NETWORK_socket_close (lsock4); | ||
1191 | lsock4 = NULL; | ||
1192 | } | ||
1193 | else | ||
1194 | { | ||
1195 | ltask4 = GNUNET_SCHEDULER_add_read_net (GNUNET_TIME_UNIT_FOREVER_REL, | ||
1196 | lsock4, | ||
1197 | &do_accept, | ||
1198 | lsock4); | ||
1199 | } | ||
1200 | } | ||
1201 | if ((NULL == lsock4) && (NULL == lsock6)) | ||
1202 | { | ||
1203 | GNUNET_SCHEDULER_shutdown (); | ||
1204 | return; | ||
1205 | } | ||
1206 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Service listens on port %llu\n", port); | ||
1207 | httpd = MHD_start_daemon (MHD_USE_DEBUG | MHD_USE_NO_LISTEN_SOCKET | ||
1208 | | MHD_ALLOW_SUSPEND_RESUME, | ||
1209 | 0, | ||
1210 | NULL, | ||
1211 | NULL, | ||
1212 | &create_response, | ||
1213 | NULL, | ||
1214 | MHD_OPTION_CONNECTION_TIMEOUT, | ||
1215 | (unsigned int) 16, | ||
1216 | MHD_OPTION_NOTIFY_CONNECTION, | ||
1217 | &mhd_connection_cb, | ||
1218 | NULL, | ||
1219 | MHD_OPTION_URI_LOG_CALLBACK, | ||
1220 | mhd_log_callback, | ||
1221 | NULL, | ||
1222 | MHD_OPTION_NOTIFY_COMPLETED, | ||
1223 | &mhd_completed_cb, | ||
1224 | NULL, | ||
1225 | MHD_OPTION_END); | ||
1226 | if (NULL == httpd) | ||
1227 | { | ||
1228 | GNUNET_SCHEDULER_shutdown (); | ||
1229 | return; | ||
1230 | } | ||
1231 | /* Load plugins */ | ||
1232 | GNUNET_PLUGIN_load_all_in_context (GNUNET_OS_project_data_default (), | ||
1233 | "libgnunet_plugin_rest", | ||
1234 | (void *) cfg, | ||
1235 | &load_plugin, | ||
1236 | NULL); | ||
1237 | GNUNET_SCHEDULER_add_shutdown (&do_shutdown, NULL); | ||
1238 | } | ||
1239 | |||
1240 | |||
1241 | /** | ||
1242 | * | ||
1243 | * The main function for gnunet-rest-service | ||
1244 | * | ||
1245 | * @param argc number of arguments from the cli | ||
1246 | * @param argv command line arguments | ||
1247 | * @return 0 ok, 1 on error | ||
1248 | * | ||
1249 | */ | ||
1250 | int | ||
1251 | main (int argc, char *const *argv) | ||
1252 | { | ||
1253 | struct GNUNET_GETOPT_CommandLineOption options[] = | ||
1254 | { GNUNET_GETOPT_OPTION_END }; | ||
1255 | static const char *err_page = "{}"; | ||
1256 | int ret; | ||
1257 | |||
1258 | if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv)) | ||
1259 | return 2; | ||
1260 | GNUNET_log_setup ("gnunet-rest-server", "WARNING", NULL); | ||
1261 | failure_response = MHD_create_response_from_buffer (strlen (err_page), | ||
1262 | (void *) err_page, | ||
1263 | MHD_RESPMEM_PERSISTENT); | ||
1264 | ret = (GNUNET_OK == GNUNET_PROGRAM_run (argc, | ||
1265 | argv, | ||
1266 | "gnunet-rest-server", | ||
1267 | _ ("GNUnet REST server"), | ||
1268 | options, | ||
1269 | &run, | ||
1270 | NULL)) | ||
1271 | ? 0 | ||
1272 | : 1; | ||
1273 | MHD_destroy_response (failure_response); | ||
1274 | GNUNET_free_nz ((char *) argv); | ||
1275 | return ret; | ||
1276 | } | ||
1277 | |||
1278 | |||
1279 | /* end of gnunet-rest-server.c */ | ||