1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2004-2006 the VideoLAN team
5 * Copyright © 2004-2007 Rémi Denis-Courmont
8 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
9 * Rémi Denis-Courmont <rem # videolan.org>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
24 *****************************************************************************/
30 #include <vlc_common.h>
31 #include <vlc_httpd.h>
35 #include <vlc_network.h>
38 #include <vlc_strings.h>
39 #include "../libvlc.h"
52 #if defined( UNDER_CE )
54 #elif defined( WIN32 )
55 # include <winsock2.h>
57 # include <sys/socket.h>
61 /* We need HUGE buffer otherwise TCP throughput is very limited */
62 #define HTTPD_CL_BUFSIZE 1000000
64 #define HTTPD_CL_BUFSIZE 10000
67 static void httpd_ClientClean( httpd_client_t *cl );
78 /* each host run in his own thread */
88 /* address/port and socket for listening at connections */
98 /* all registered url (becarefull that 2 httpd_url_t could point at the same url)
99 * This will slow down the url research but make my live easier
100 * All url will have their cb trigger, but only the first one can answer
106 httpd_client_t **client;
127 httpd_callback_sys_t *p_sys;
128 } catch[HTTPD_MSG_MAX];
134 HTTPD_CLIENT_RECEIVING,
135 HTTPD_CLIENT_RECEIVE_DONE,
137 HTTPD_CLIENT_SENDING,
138 HTTPD_CLIENT_SEND_DONE,
140 HTTPD_CLIENT_WAITING,
144 HTTPD_CLIENT_TLS_HS_IN,
145 HTTPD_CLIENT_TLS_HS_OUT
151 HTTPD_CLIENT_FILE, /* default */
152 HTTPD_CLIENT_STREAM, /* regulary get data from cb */
153 HTTPD_CLIENT_BIDIR, /* check for reading and get data from cb */
156 struct httpd_client_t
166 int b_read_waiting; /* stop as soon as possible sending */
168 mtime_t i_activity_date;
169 mtime_t i_activity_timeout;
171 /* buffer for reading header */
177 httpd_message_t query; /* client -> httpd */
178 httpd_message_t answer; /* httpd -> client */
181 tls_session_t *p_tls;
185 /*****************************************************************************
187 *****************************************************************************/
190 const char psz_ext[8];
191 const char *psz_mime;
194 { ".htm", "text/html" },
195 { ".html", "text/html" },
196 { ".txt", "text/plain" },
197 { ".xml", "text/xml" },
198 { ".dtd", "text/dtd" },
200 { ".css", "text/css" },
203 { ".gif", "image/gif" },
204 { ".jpe", "image/jpeg" },
205 { ".jpg", "image/jpeg" },
206 { ".jpeg", "image/jpeg" },
207 { ".png", "image/png" },
208 /* same as modules/mux/mpjpeg.c here: */
209 { ".mpjpeg","multipart/x-mixed-replace; boundary=7b3cc56e5f51db803f790dad720ed50a" },
212 { ".avi", "video/avi" },
213 { ".asf", "video/x-ms-asf" },
214 { ".m1a", "audio/mpeg" },
215 { ".m2a", "audio/mpeg" },
216 { ".m1v", "video/mpeg" },
217 { ".m2v", "video/mpeg" },
218 { ".mp2", "audio/mpeg" },
219 { ".mp3", "audio/mpeg" },
220 { ".mpa", "audio/mpeg" },
221 { ".mpg", "video/mpeg" },
222 { ".mpeg", "video/mpeg" },
223 { ".mpe", "video/mpeg" },
224 { ".mov", "video/quicktime" },
225 { ".moov", "video/quicktime" },
226 { ".oga", "audio/ogg" },
227 { ".ogg", "application/ogg" },
228 { ".ogm", "application/ogg" },
229 { ".ogv", "video/ogg" },
230 { ".ogx", "application/ogg" },
231 { ".spx", "audio/ogg" },
232 { ".wav", "audio/wav" },
233 { ".wma", "audio/x-ms-wma" },
234 { ".wmv", "video/x-ms-wmv" },
241 static const char *httpd_MimeFromUrl( const char *psz_url )
246 psz_ext = strrchr( psz_url, '.' );
251 for( i = 0; http_mime[i].psz_ext[0] ; i++ )
253 if( !strcasecmp( http_mime[i].psz_ext, psz_ext ) )
255 return http_mime[i].psz_mime;
259 return "application/octet-stream";
266 const char psz_reason[36];
269 static const http_status_info http_reason[] =
271 /*{ 100, "Continue" },
272 { 101, "Switching Protocols" },*/
274 /*{ 201, "Created" },
276 { 203, "Non-authoritative information" },
277 { 204, "No content" },
278 { 205, "Reset content" },
279 { 206, "Partial content" },
280 { 250, "Low on storage space" },
281 { 300, "Multiple choices" },*/
282 { 301, "Moved permanently" },
283 /*{ 302, "Moved temporarily" },
284 { 303, "See other" },
285 { 304, "Not modified" },
286 { 305, "Use proxy" },
287 { 307, "Temporary redirect" },
288 { 400, "Bad request" },*/
289 { 401, "Unauthorized" },
290 /*{ 402, "Payment Required" },*/
291 { 403, "Forbidden" },
292 { 404, "Not found" },
293 { 405, "Method not allowed" },
294 /*{ 406, "Not acceptable" },
295 { 407, "Proxy authentication required" },
296 { 408, "Request time-out" },
299 { 411, "Length required" },
300 { 412, "Precondition failed" },
301 { 413, "Request entity too large" },
302 { 414, "Request-URI too large" },
303 { 415, "Unsupported media Type" },
304 { 416, "Requested range not satisfiable" },
305 { 417, "Expectation failed" },
306 { 451, "Parameter not understood" },
307 { 452, "Conference not found" },
308 { 453, "Not enough bandwidth" },*/
309 { 454, "Session not found" },
310 /*{ 455, "Method not valid in this State" },*/
311 { 456, "Header field not valid for resource" },
312 /*{ 457, "Invalid range" },
313 { 458, "Read-only parameter" },*/
314 { 459, "Aggregate operation not allowed" },
315 { 460, "Non-aggregate operation not allowed" },
316 { 461, "Unsupported transport" },
317 /*{ 462, "Destination unreachable" },*/
318 { 500, "Internal server error" },
319 { 501, "Not implemented" },
320 /*{ 502, "Bad gateway" },*/
321 { 503, "Service unavailable" },
322 /*{ 504, "Gateway time-out" },*/
323 { 505, "Protocol version not supported" },
324 { 551, "Option not supported" },
328 static const char psz_fallback_reason[5][16] =
329 { "Continue", "OK", "Found", "Client error", "Server error" };
331 static const char *httpd_ReasonFromCode( unsigned i_code )
333 const http_status_info *p;
335 assert( ( i_code >= 100 ) && ( i_code <= 599 ) );
337 for (p = http_reason; i_code > p->i_code; p++);
339 if( p->i_code == i_code )
340 return p->psz_reason;
342 return psz_fallback_reason[(i_code / 100) - 1];
346 static size_t httpd_HtmlError (char **body, int code, const char *url)
348 const char *errname = httpd_ReasonFromCode (code);
349 assert (errname != NULL);
351 int res = asprintf (body,
352 "<?xml version=\"1.0\" encoding=\"ascii\" ?>\n"
353 "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\""
354 " \"http://www.w3.org/TR/xhtml10/DTD/xhtml10strict.dtd\">\n"
355 "<html lang=\"en\">\n"
357 "<title>%s</title>\n"
360 "<h1>%d %s%s%s%s</h1>\n"
362 "<a href=\"http://www.videolan.org\">VideoLAN</a>\n"
364 "</html>\n", errname, code, errname,
365 (url ? " (" : ""), (url ? url : ""), (url ? ")" : ""));
377 /*****************************************************************************
378 * High Level Functions: httpd_file_t
379 *****************************************************************************/
387 httpd_file_callback_t pf_fill;
388 httpd_file_sys_t *p_sys;
393 httpd_FileCallBack( httpd_callback_sys_t *p_sys, httpd_client_t *cl,
394 httpd_message_t *answer, const httpd_message_t *query )
396 httpd_file_t *file = (httpd_file_t*)p_sys;
397 uint8_t **pp_body, *p_body;
398 const char *psz_connection;
399 int *pi_body, i_body;
401 if( answer == NULL || query == NULL )
405 answer->i_proto = HTTPD_PROTO_HTTP;
406 answer->i_version= 1;
407 answer->i_type = HTTPD_MSG_ANSWER;
409 answer->i_status = 200;
411 httpd_MsgAdd( answer, "Content-type", "%s", file->psz_mime );
412 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
414 if( query->i_type != HTTPD_MSG_HEAD )
416 pp_body = &answer->p_body;
417 pi_body = &answer->i_body;
421 /* The file still needs to be executed. */
428 if( query->i_type == HTTPD_MSG_POST )
430 /* msg_Warn not supported */
433 uint8_t *psz_args = query->psz_args;
434 file->pf_fill( file->p_sys, file, psz_args, pp_body, pi_body );
436 if( query->i_type == HTTPD_MSG_HEAD && p_body != NULL )
441 /* We respect client request */
442 psz_connection = httpd_MsgGet( &cl->query, "Connection" );
443 if( psz_connection != NULL )
445 httpd_MsgAdd( answer, "Connection", "%s", psz_connection );
448 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
453 httpd_file_t *httpd_FileNew( httpd_host_t *host,
454 const char *psz_url, const char *psz_mime,
455 const char *psz_user, const char *psz_password,
456 const vlc_acl_t *p_acl, httpd_file_callback_t pf_fill,
457 httpd_file_sys_t *p_sys )
459 httpd_file_t *file = xmalloc( sizeof( httpd_file_t ) );
461 if( ( file->url = httpd_UrlNewUnique( host, psz_url, psz_user,
462 psz_password, p_acl )
469 file->psz_url = strdup( psz_url );
470 if( psz_mime && *psz_mime )
472 file->psz_mime = strdup( psz_mime );
476 file->psz_mime = strdup( httpd_MimeFromUrl( psz_url ) );
479 file->pf_fill = pf_fill;
482 httpd_UrlCatch( file->url, HTTPD_MSG_HEAD, httpd_FileCallBack,
483 (httpd_callback_sys_t*)file );
484 httpd_UrlCatch( file->url, HTTPD_MSG_GET, httpd_FileCallBack,
485 (httpd_callback_sys_t*)file );
486 httpd_UrlCatch( file->url, HTTPD_MSG_POST, httpd_FileCallBack,
487 (httpd_callback_sys_t*)file );
492 httpd_file_sys_t *httpd_FileDelete( httpd_file_t *file )
494 httpd_file_sys_t *p_sys = file->p_sys;
496 httpd_UrlDelete( file->url );
498 free( file->psz_url );
499 free( file->psz_mime );
506 /*****************************************************************************
507 * High Level Functions: httpd_handler_t (for CGIs)
508 *****************************************************************************/
509 struct httpd_handler_t
513 httpd_handler_callback_t pf_fill;
514 httpd_handler_sys_t *p_sys;
519 httpd_HandlerCallBack( httpd_callback_sys_t *p_sys, httpd_client_t *cl,
520 httpd_message_t *answer, const httpd_message_t *query )
522 httpd_handler_t *handler = (httpd_handler_t*)p_sys;
523 char psz_remote_addr[NI_MAXNUMERICHOST];
525 if( answer == NULL || query == NULL )
529 answer->i_proto = HTTPD_PROTO_NONE;
530 answer->i_type = HTTPD_MSG_ANSWER;
532 /* We do it ourselves, thanks */
533 answer->i_status = 0;
535 if( httpd_ClientIP( cl, psz_remote_addr ) == NULL )
536 *psz_remote_addr = '\0';
538 uint8_t *psz_args = query->psz_args;
539 handler->pf_fill( handler->p_sys, handler, query->psz_url, psz_args,
540 query->i_type, query->p_body, query->i_body,
541 psz_remote_addr, NULL,
542 &answer->p_body, &answer->i_body );
544 if( query->i_type == HTTPD_MSG_HEAD )
546 char *p = (char *)answer->p_body;
548 /* Looks for end of header (i.e. one empty line) */
549 while ( (p = strchr( p, '\r' )) != NULL )
551 if( p[1] && p[1] == '\n' && p[2] && p[2] == '\r'
552 && p[3] && p[3] == '\n' )
561 answer->i_body = strlen((char*)answer->p_body) + 1;
562 answer->p_body = xrealloc( answer->p_body, answer->i_body );
566 if( strncmp( (char *)answer->p_body, "HTTP/1.", 7 ) )
568 int i_status, i_headers;
569 char *psz_headers, *psz_new;
570 const char *psz_status;
572 if( !strncmp( (char *)answer->p_body, "Status: ", 8 ) )
575 i_status = strtol( (char *)&answer->p_body[8], &psz_headers, 0 );
576 if( *psz_headers == '\r' || *psz_headers == '\n' ) psz_headers++;
577 if( *psz_headers == '\n' ) psz_headers++;
578 i_headers = answer->i_body - (psz_headers - (char *)answer->p_body);
583 psz_headers = (char *)answer->p_body;
584 i_headers = answer->i_body;
587 psz_status = httpd_ReasonFromCode( i_status );
588 answer->i_body = sizeof("HTTP/1.0 xxx \r\n")
589 + strlen(psz_status) + i_headers - 1;
590 psz_new = (char *)xmalloc( answer->i_body + 1);
591 sprintf( psz_new, "HTTP/1.0 %03d %s\r\n", i_status, psz_status );
592 memcpy( &psz_new[strlen(psz_new)], psz_headers, i_headers );
593 free( answer->p_body );
594 answer->p_body = (uint8_t *)psz_new;
600 httpd_handler_t *httpd_HandlerNew( httpd_host_t *host, const char *psz_url,
601 const char *psz_user,
602 const char *psz_password,
603 const vlc_acl_t *p_acl,
604 httpd_handler_callback_t pf_fill,
605 httpd_handler_sys_t *p_sys )
607 httpd_handler_t *handler = xmalloc( sizeof( httpd_handler_t ) );
609 if( ( handler->url = httpd_UrlNewUnique( host, psz_url, psz_user,
610 psz_password, p_acl )
617 handler->pf_fill = pf_fill;
618 handler->p_sys = p_sys;
620 httpd_UrlCatch( handler->url, HTTPD_MSG_HEAD, httpd_HandlerCallBack,
621 (httpd_callback_sys_t*)handler );
622 httpd_UrlCatch( handler->url, HTTPD_MSG_GET, httpd_HandlerCallBack,
623 (httpd_callback_sys_t*)handler );
624 httpd_UrlCatch( handler->url, HTTPD_MSG_POST, httpd_HandlerCallBack,
625 (httpd_callback_sys_t*)handler );
630 httpd_handler_sys_t *httpd_HandlerDelete( httpd_handler_t *handler )
632 httpd_handler_sys_t *p_sys = handler->p_sys;
633 httpd_UrlDelete( handler->url );
638 /*****************************************************************************
639 * High Level Functions: httpd_redirect_t
640 *****************************************************************************/
641 struct httpd_redirect_t
647 static int httpd_RedirectCallBack( httpd_callback_sys_t *p_sys,
648 httpd_client_t *cl, httpd_message_t *answer,
649 const httpd_message_t *query )
651 httpd_redirect_t *rdir = (httpd_redirect_t*)p_sys;
655 if( answer == NULL || query == NULL )
659 answer->i_proto = HTTPD_PROTO_HTTP;
660 answer->i_version= 1;
661 answer->i_type = HTTPD_MSG_ANSWER;
662 answer->i_status = 301;
664 answer->i_body = httpd_HtmlError (&p_body, 301, rdir->psz_dst);
665 answer->p_body = (unsigned char *)p_body;
667 /* XXX check if it's ok or we need to set an absolute url */
668 httpd_MsgAdd( answer, "Location", "%s", rdir->psz_dst );
670 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
675 httpd_redirect_t *httpd_RedirectNew( httpd_host_t *host, const char *psz_url_dst,
676 const char *psz_url_src )
678 httpd_redirect_t *rdir = xmalloc( sizeof( httpd_redirect_t ) );
680 if( !( rdir->url = httpd_UrlNewUnique( host, psz_url_src, NULL, NULL, NULL ) ) )
685 rdir->psz_dst = strdup( psz_url_dst );
687 /* Redirect apply for all HTTP request and RTSP DESCRIBE resquest */
688 httpd_UrlCatch( rdir->url, HTTPD_MSG_HEAD, httpd_RedirectCallBack,
689 (httpd_callback_sys_t*)rdir );
690 httpd_UrlCatch( rdir->url, HTTPD_MSG_GET, httpd_RedirectCallBack,
691 (httpd_callback_sys_t*)rdir );
692 httpd_UrlCatch( rdir->url, HTTPD_MSG_POST, httpd_RedirectCallBack,
693 (httpd_callback_sys_t*)rdir );
694 httpd_UrlCatch( rdir->url, HTTPD_MSG_DESCRIBE, httpd_RedirectCallBack,
695 (httpd_callback_sys_t*)rdir );
699 void httpd_RedirectDelete( httpd_redirect_t *rdir )
701 httpd_UrlDelete( rdir->url );
702 free( rdir->psz_dst );
706 /*****************************************************************************
707 * High Level Funtions: httpd_stream_t
708 *****************************************************************************/
709 struct httpd_stream_t
716 /* Header to send as first packet */
720 /* circular buffer */
721 int i_buffer_size; /* buffer size, can't be reallocated smaller */
722 uint8_t *p_buffer; /* buffer */
723 int64_t i_buffer_pos; /* absolute position from begining */
724 int64_t i_buffer_last_pos; /* a new connection will start with that */
727 static int httpd_StreamCallBack( httpd_callback_sys_t *p_sys,
728 httpd_client_t *cl, httpd_message_t *answer,
729 const httpd_message_t *query )
731 httpd_stream_t *stream = (httpd_stream_t*)p_sys;
733 if( answer == NULL || query == NULL || cl == NULL )
738 if( answer->i_body_offset > 0 )
744 fprintf( stderr, "httpd_StreamCallBack i_body_offset=%lld\n",
745 answer->i_body_offset );
748 if( answer->i_body_offset >= stream->i_buffer_pos )
750 /* fprintf( stderr, "httpd_StreamCallBack: no data\n" ); */
751 return VLC_EGENERIC; /* wait, no data available */
753 if( answer->i_body_offset + stream->i_buffer_size <
754 stream->i_buffer_pos )
756 /* this client isn't fast enough */
758 fprintf( stderr, "fixing i_body_offset (old=%lld new=%lld)\n",
759 answer->i_body_offset, stream->i_buffer_last_pos );
761 answer->i_body_offset = stream->i_buffer_last_pos;
764 i_pos = answer->i_body_offset % stream->i_buffer_size;
765 i_write = stream->i_buffer_pos - answer->i_body_offset;
766 if( i_write > HTTPD_CL_BUFSIZE )
768 i_write = HTTPD_CL_BUFSIZE;
770 else if( i_write <= 0 )
772 return VLC_EGENERIC; /* wait, no data available */
775 /* Don't go past the end of the circular buffer */
776 i_write = __MIN( i_write, stream->i_buffer_size - i_pos );
778 /* using HTTPD_MSG_ANSWER -> data available */
779 answer->i_proto = HTTPD_PROTO_HTTP;
780 answer->i_version= 0;
781 answer->i_type = HTTPD_MSG_ANSWER;
783 answer->i_body = i_write;
784 answer->p_body = xmalloc( i_write );
785 memcpy( answer->p_body, &stream->p_buffer[i_pos], i_write );
787 answer->i_body_offset += i_write;
793 answer->i_proto = HTTPD_PROTO_HTTP;
794 answer->i_version= 0;
795 answer->i_type = HTTPD_MSG_ANSWER;
797 answer->i_status = 200;
799 if( query->i_type != HTTPD_MSG_HEAD )
801 httpd_ClientModeStream( cl );
802 vlc_mutex_lock( &stream->lock );
803 /* Send the header */
804 if( stream->i_header > 0 )
806 answer->i_body = stream->i_header;
807 answer->p_body = xmalloc( stream->i_header );
808 memcpy( answer->p_body, stream->p_header, stream->i_header );
810 answer->i_body_offset = stream->i_buffer_last_pos;
811 vlc_mutex_unlock( &stream->lock );
815 httpd_MsgAdd( answer, "Content-Length", "%d", 0 );
816 answer->i_body_offset = 0;
819 if( !strcmp( stream->psz_mime, "video/x-ms-asf-stream" ) )
821 bool b_xplaystream = false;
824 httpd_MsgAdd( answer, "Content-type", "%s",
825 "application/octet-stream" );
826 httpd_MsgAdd( answer, "Server", "Cougar 4.1.0.3921" );
827 httpd_MsgAdd( answer, "Pragma", "no-cache" );
828 httpd_MsgAdd( answer, "Pragma", "client-id=%d", rand()&0x7fff );
829 httpd_MsgAdd( answer, "Pragma", "features=\"broadcast\"" );
831 /* Check if there is a xPlayStrm=1 */
832 for( i = 0; i < query->i_name; i++ )
834 if( !strcasecmp( query->name[i], "Pragma" ) &&
835 strstr( query->value[i], "xPlayStrm=1" ) )
837 b_xplaystream = true;
843 answer->i_body_offset = 0;
848 httpd_MsgAdd( answer, "Content-type", "%s", stream->psz_mime );
850 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
855 httpd_stream_t *httpd_StreamNew( httpd_host_t *host,
856 const char *psz_url, const char *psz_mime,
857 const char *psz_user, const char *psz_password,
858 const vlc_acl_t *p_acl )
860 httpd_stream_t *stream = xmalloc( sizeof( httpd_stream_t ) );
862 if( ( stream->url = httpd_UrlNewUnique( host, psz_url, psz_user,
863 psz_password, p_acl )
869 vlc_mutex_init( &stream->lock );
870 if( psz_mime && *psz_mime )
872 stream->psz_mime = strdup( psz_mime );
876 stream->psz_mime = strdup( httpd_MimeFromUrl( psz_url ) );
878 stream->i_header = 0;
879 stream->p_header = NULL;
880 stream->i_buffer_size = 5000000; /* 5 Mo per stream */
881 stream->p_buffer = xmalloc( stream->i_buffer_size );
882 /* We set to 1 to make life simpler
883 * (this way i_body_offset can never be 0) */
884 stream->i_buffer_pos = 1;
885 stream->i_buffer_last_pos = 1;
887 httpd_UrlCatch( stream->url, HTTPD_MSG_HEAD, httpd_StreamCallBack,
888 (httpd_callback_sys_t*)stream );
889 httpd_UrlCatch( stream->url, HTTPD_MSG_GET, httpd_StreamCallBack,
890 (httpd_callback_sys_t*)stream );
891 httpd_UrlCatch( stream->url, HTTPD_MSG_POST, httpd_StreamCallBack,
892 (httpd_callback_sys_t*)stream );
897 int httpd_StreamHeader( httpd_stream_t *stream, uint8_t *p_data, int i_data )
899 vlc_mutex_lock( &stream->lock );
900 free( stream->p_header );
901 stream->p_header = NULL;
903 stream->i_header = i_data;
906 stream->p_header = xmalloc( i_data );
907 memcpy( stream->p_header, p_data, i_data );
909 vlc_mutex_unlock( &stream->lock );
914 int httpd_StreamSend( httpd_stream_t *stream, uint8_t *p_data, int i_data )
919 if( i_data < 0 || p_data == NULL )
923 vlc_mutex_lock( &stream->lock );
925 /* save this pointer (to be used by new connection) */
926 stream->i_buffer_last_pos = stream->i_buffer_pos;
928 i_pos = stream->i_buffer_pos % stream->i_buffer_size;
934 i_copy = __MIN( i_count, stream->i_buffer_size - i_pos );
936 /* Ok, we can't go past the end of our buffer */
937 memcpy( &stream->p_buffer[i_pos], p_data, i_copy );
939 i_pos = ( i_pos + i_copy ) % stream->i_buffer_size;
944 stream->i_buffer_pos += i_data;
946 vlc_mutex_unlock( &stream->lock );
950 void httpd_StreamDelete( httpd_stream_t *stream )
952 httpd_UrlDelete( stream->url );
953 vlc_mutex_destroy( &stream->lock );
954 free( stream->psz_mime );
955 free( stream->p_header );
956 free( stream->p_buffer );
960 /*****************************************************************************
962 *****************************************************************************/
963 static void* httpd_HostThread( void * );
965 /* create a new host */
966 httpd_host_t *httpd_HostNew( vlc_object_t *p_this, const char *psz_host,
969 return httpd_TLSHostNew( p_this, psz_host, i_port, NULL, NULL, NULL, NULL
973 static const char psz_object_type[] = "http server";
974 static vlc_mutex_t httpd_mutex = VLC_STATIC_MUTEX;
976 httpd_host_t *httpd_TLSHostNew( vlc_object_t *p_this, const char *psz_hostname,
978 const char *psz_cert, const char *psz_key,
979 const char *psz_ca, const char *psz_crl )
988 if( psz_hostname == NULL )
991 psz_host = strdup( psz_hostname );
992 if( psz_host == NULL )
995 /* to be sure to avoid multiple creation */
996 vlc_mutex_lock( &httpd_mutex );
997 httpd = libvlc_priv (p_this->p_libvlc)->p_httpd;
1001 msg_Info( p_this, "creating httpd" );
1002 httpd = (httpd_t *)vlc_custom_create( p_this, sizeof (*httpd),
1007 vlc_mutex_unlock( &httpd_mutex );
1015 ptrval.p_address = httpd;
1016 libvlc_priv (p_this->p_libvlc)->p_httpd = httpd;
1017 vlc_object_attach( httpd, p_this->p_libvlc );
1020 /* verify if it already exist */
1021 for( i = httpd->i_host - 1; i >= 0; i-- )
1023 host = httpd->host[i];
1025 /* cannot mix TLS and non-TLS hosts */
1026 if( ( ( httpd->host[i]->p_tls != NULL ) != ( psz_cert != NULL ) )
1027 || ( host->i_port != i_port )
1028 || strcmp( host->psz_hostname, psz_hostname ) )
1031 /* Increase existing matching host reference count.
1032 * The reference count is written under both the global httpd and the
1033 * host lock. It is read with either or both locks held. The global
1034 * lock is always acquired first. */
1035 vlc_mutex_lock( &host->lock );
1037 vlc_mutex_unlock( &host->lock );
1039 vlc_mutex_unlock( &httpd_mutex );
1045 /* determine TLS configuration */
1046 if ( psz_cert != NULL )
1048 p_tls = tls_ServerCreate( p_this, psz_cert, psz_key );
1049 if ( p_tls == NULL )
1051 msg_Err( p_this, "TLS initialization error" );
1055 if ( ( psz_ca != NULL) && tls_ServerAddCA( p_tls, psz_ca ) )
1057 msg_Err( p_this, "TLS CA error" );
1061 if ( ( psz_crl != NULL) && tls_ServerAddCRL( p_tls, psz_crl ) )
1063 msg_Err( p_this, "TLS CRL error" );
1070 /* create the new host */
1071 host = (httpd_host_t *)vlc_custom_create( p_this, sizeof (*host),
1077 host->httpd = httpd;
1078 vlc_mutex_init( &host->lock );
1079 vlc_cond_init( &host->wait );
1082 host->fds = net_ListenTCP( p_this, psz_host, i_port );
1083 if( host->fds == NULL )
1085 msg_Err( p_this, "cannot create socket(s) for HTTP host" );
1088 for (host->nfd = 0; host->fds[host->nfd] != -1; host->nfd++);
1090 if( vlc_object_waitpipe( VLC_OBJECT( host ) ) == -1 )
1092 msg_Err( host, "signaling pipe error: %m" );
1096 host->i_port = i_port;
1097 host->psz_hostname = psz_host;
1102 host->client = NULL;
1104 host->p_tls = p_tls;
1106 /* create the thread */
1107 if( vlc_clone( &host->thread, httpd_HostThread, host,
1108 VLC_THREAD_PRIORITY_LOW ) )
1110 msg_Err( p_this, "cannot spawn http host thread" );
1114 /* now add it to httpd */
1115 TAB_APPEND( httpd->i_host, httpd->host, host );
1116 vlc_mutex_unlock( &httpd_mutex );
1122 if( httpd->i_host <= 0 )
1124 libvlc_priv (httpd->p_libvlc)->p_httpd = NULL;
1125 vlc_object_detach( httpd );
1126 vlc_object_release( httpd );
1128 vlc_mutex_unlock( &httpd_mutex );
1132 net_ListenClose( host->fds );
1133 vlc_cond_destroy( &host->wait );
1134 vlc_mutex_destroy( &host->lock );
1135 vlc_object_release( host );
1139 tls_ServerDelete( p_tls );
1145 void httpd_HostDelete( httpd_host_t *host )
1147 httpd_t *httpd = host->httpd;
1149 bool delete = false;
1151 vlc_mutex_lock( &httpd_mutex );
1153 vlc_mutex_lock( &host->lock );
1155 if( host->i_ref == 0 )
1157 vlc_cond_signal( &host->wait );
1160 vlc_mutex_unlock( &host->lock );
1164 vlc_mutex_unlock( &httpd_mutex );
1165 msg_Dbg( host, "httpd_HostDelete: host still in use" );
1168 TAB_REMOVE( httpd->i_host, httpd->host, host );
1170 vlc_object_kill( host );
1171 vlc_join( host->thread, NULL );
1173 msg_Dbg( host, "HTTP host removed" );
1175 for( i = 0; i < host->i_url; i++ )
1177 msg_Err( host, "url still registered: %s", host->url[i]->psz_url );
1179 for( i = 0; i < host->i_client; i++ )
1181 httpd_client_t *cl = host->client[i];
1182 msg_Warn( host, "client still connected" );
1183 httpd_ClientClean( cl );
1184 TAB_REMOVE( host->i_client, host->client, cl );
1190 if( host->p_tls != NULL)
1191 tls_ServerDelete( host->p_tls );
1193 net_ListenClose( host->fds );
1194 free( host->psz_hostname );
1196 vlc_cond_destroy( &host->wait );
1197 vlc_mutex_destroy( &host->lock );
1198 vlc_object_release( host );
1200 if( httpd->i_host <= 0 )
1202 msg_Dbg( httpd, "no hosts left, stopping httpd" );
1204 libvlc_priv (httpd->p_libvlc)->p_httpd = NULL;
1205 vlc_object_detach( httpd );
1206 vlc_object_release( httpd );
1208 vlc_mutex_unlock( &httpd_mutex );
1211 /* register a new url */
1212 static httpd_url_t *httpd_UrlNewPrivate( httpd_host_t *host, const char *psz_url,
1213 const char *psz_user, const char *psz_password,
1214 const vlc_acl_t *p_acl, bool b_check )
1219 assert( psz_url != NULL );
1221 vlc_mutex_lock( &host->lock );
1224 for( i = 0; i < host->i_url; i++ )
1226 if( !strcmp( psz_url, host->url[i]->psz_url ) )
1228 msg_Warn( host->httpd,
1229 "cannot add '%s' (url already defined)", psz_url );
1230 vlc_mutex_unlock( &host->lock );
1236 url = xmalloc( sizeof( httpd_url_t ) );
1239 vlc_mutex_init( &url->lock );
1240 url->psz_url = strdup( psz_url );
1241 url->psz_user = strdup( psz_user ? psz_user : "" );
1242 url->psz_password = strdup( psz_password ? psz_password : "" );
1243 url->p_acl = ACL_Duplicate( host, p_acl );
1244 for( i = 0; i < HTTPD_MSG_MAX; i++ )
1246 url->catch[i].cb = NULL;
1247 url->catch[i].p_sys = NULL;
1250 TAB_APPEND( host->i_url, host->url, url );
1251 vlc_cond_signal( &host->wait );
1252 vlc_mutex_unlock( &host->lock );
1257 httpd_url_t *httpd_UrlNew( httpd_host_t *host, const char *psz_url,
1258 const char *psz_user, const char *psz_password,
1259 const vlc_acl_t *p_acl )
1261 return httpd_UrlNewPrivate( host, psz_url, psz_user,
1262 psz_password, p_acl, false );
1265 httpd_url_t *httpd_UrlNewUnique( httpd_host_t *host, const char *psz_url,
1266 const char *psz_user, const char *psz_password,
1267 const vlc_acl_t *p_acl )
1269 return httpd_UrlNewPrivate( host, psz_url, psz_user,
1270 psz_password, p_acl, true );
1273 /* register callback on a url */
1274 int httpd_UrlCatch( httpd_url_t *url, int i_msg, httpd_callback_t cb,
1275 httpd_callback_sys_t *p_sys )
1277 vlc_mutex_lock( &url->lock );
1278 url->catch[i_msg].cb = cb;
1279 url->catch[i_msg].p_sys= p_sys;
1280 vlc_mutex_unlock( &url->lock );
1286 void httpd_UrlDelete( httpd_url_t *url )
1288 httpd_host_t *host = url->host;
1291 vlc_mutex_lock( &host->lock );
1292 TAB_REMOVE( host->i_url, host->url, url );
1294 vlc_mutex_destroy( &url->lock );
1295 free( url->psz_url );
1296 free( url->psz_user );
1297 free( url->psz_password );
1298 ACL_Destroy( url->p_acl );
1300 for( i = 0; i < host->i_client; i++ )
1302 httpd_client_t *client = host->client[i];
1304 if( client->url == url )
1306 /* TODO complete it */
1307 msg_Warn( host, "force closing connections" );
1308 httpd_ClientClean( client );
1309 TAB_REMOVE( host->i_client, host->client, client );
1315 vlc_mutex_unlock( &host->lock );
1318 static void httpd_MsgInit( httpd_message_t *msg )
1321 msg->i_type = HTTPD_MSG_NONE;
1322 msg->i_proto = HTTPD_PROTO_NONE;
1323 msg->i_version = -1; /* FIXME */
1327 msg->psz_url = NULL;
1328 msg->psz_args = NULL;
1330 msg->i_channel = -1;
1337 msg->i_body_offset = 0;
1342 static void httpd_MsgClean( httpd_message_t *msg )
1346 free( msg->psz_url );
1347 free( msg->psz_args );
1348 for( i = 0; i < msg->i_name; i++ )
1350 free( msg->name[i] );
1351 free( msg->value[i] );
1355 free( msg->p_body );
1356 httpd_MsgInit( msg );
1359 const char *httpd_MsgGet( const httpd_message_t *msg, const char *name )
1363 for( i = 0; i < msg->i_name; i++ )
1365 if( !strcasecmp( msg->name[i], name ))
1367 return msg->value[i];
1373 void httpd_MsgAdd( httpd_message_t *msg, const char *name, const char *psz_value, ... )
1378 va_start( args, psz_value );
1379 if( vasprintf( &value, psz_value, args ) == -1 )
1386 name = strdup( name );
1393 TAB_APPEND( msg->i_name, msg->name, (char*)name );
1394 TAB_APPEND( msg->i_value, msg->value, value );
1397 static void httpd_ClientInit( httpd_client_t *cl, mtime_t now )
1399 cl->i_state = HTTPD_CLIENT_RECEIVING;
1400 cl->i_activity_date = now;
1401 cl->i_activity_timeout = INT64_C(10000000);
1402 cl->i_buffer_size = HTTPD_CL_BUFSIZE;
1404 cl->p_buffer = xmalloc( cl->i_buffer_size );
1405 cl->i_mode = HTTPD_CLIENT_FILE;
1406 cl->b_read_waiting = false;
1408 httpd_MsgInit( &cl->query );
1409 httpd_MsgInit( &cl->answer );
1412 void httpd_ClientModeStream( httpd_client_t *cl )
1414 cl->i_mode = HTTPD_CLIENT_STREAM;
1417 void httpd_ClientModeBidir( httpd_client_t *cl )
1419 cl->i_mode = HTTPD_CLIENT_BIDIR;
1422 char* httpd_ClientIP( const httpd_client_t *cl, char *psz_ip )
1424 return net_GetPeerAddress( cl->fd, psz_ip, NULL ) ? NULL : psz_ip;
1427 char* httpd_ServerIP( const httpd_client_t *cl, char *psz_ip )
1429 return net_GetSockAddress( cl->fd, psz_ip, NULL ) ? NULL : psz_ip;
1432 static void httpd_ClientClean( httpd_client_t *cl )
1436 if( cl->p_tls != NULL )
1437 tls_ServerSessionClose( cl->p_tls );
1438 net_Close( cl->fd );
1442 httpd_MsgClean( &cl->answer );
1443 httpd_MsgClean( &cl->query );
1445 free( cl->p_buffer );
1446 cl->p_buffer = NULL;
1449 static httpd_client_t *httpd_ClientNew( int fd, tls_session_t *p_tls, mtime_t now )
1451 httpd_client_t *cl = malloc( sizeof( httpd_client_t ) );
1453 if( !cl ) return NULL;
1460 httpd_ClientInit( cl, now );
1466 ssize_t httpd_NetRecv (httpd_client_t *cl, uint8_t *p, size_t i_len)
1468 tls_session_t *p_tls;
1473 val = p_tls ? tls_Recv (p_tls, p, i_len)
1474 : recv (cl->fd, p, i_len, 0);
1475 while (val == -1 && errno == EINTR);
1480 ssize_t httpd_NetSend (httpd_client_t *cl, const uint8_t *p, size_t i_len)
1482 tls_session_t *p_tls;
1487 val = p_tls ? tls_Send( p_tls, p, i_len )
1488 : send (cl->fd, p, i_len, 0);
1489 while (val == -1 && errno == EINTR);
1496 const char name[16];
1502 { "OPTIONS", HTTPD_MSG_OPTIONS, HTTPD_PROTO_RTSP },
1503 { "DESCRIBE", HTTPD_MSG_DESCRIBE, HTTPD_PROTO_RTSP },
1504 { "SETUP", HTTPD_MSG_SETUP, HTTPD_PROTO_RTSP },
1505 { "PLAY", HTTPD_MSG_PLAY, HTTPD_PROTO_RTSP },
1506 { "PAUSE", HTTPD_MSG_PAUSE, HTTPD_PROTO_RTSP },
1507 { "GET_PARAMETER", HTTPD_MSG_GETPARAMETER, HTTPD_PROTO_RTSP },
1508 { "TEARDOWN", HTTPD_MSG_TEARDOWN, HTTPD_PROTO_RTSP },
1509 { "GET", HTTPD_MSG_GET, HTTPD_PROTO_HTTP },
1510 { "HEAD", HTTPD_MSG_HEAD, HTTPD_PROTO_HTTP },
1511 { "POST", HTTPD_MSG_POST, HTTPD_PROTO_HTTP },
1512 { "", HTTPD_MSG_NONE, HTTPD_PROTO_NONE }
1516 static void httpd_ClientRecv( httpd_client_t *cl )
1520 /* ignore leading whites */
1521 if( ( cl->query.i_proto == HTTPD_PROTO_NONE ) &&
1522 ( cl->i_buffer == 0 ) )
1526 i_len = httpd_NetRecv( cl, &c, 1 );
1528 if( ( i_len > 0 ) && ( strchr( "\r\n\t ", c ) == NULL ) )
1530 cl->p_buffer[0] = c;
1535 if( cl->query.i_proto == HTTPD_PROTO_NONE )
1537 /* enough to see if it's Interleaved RTP over RTSP or RTSP/HTTP */
1538 i_len = httpd_NetRecv( cl, &cl->p_buffer[cl->i_buffer],
1542 cl->i_buffer += i_len;
1545 if( ( cl->i_buffer >= 4 ) && ( cl->p_buffer[0] == '$' ) )
1547 /* Interleaved RTP over RTSP */
1548 cl->query.i_proto = HTTPD_PROTO_RTSP;
1549 cl->query.i_type = HTTPD_MSG_CHANNEL;
1550 cl->query.i_channel = cl->p_buffer[1];
1551 cl->query.i_body = (cl->p_buffer[2] << 8)|cl->p_buffer[3];
1552 cl->query.p_body = xmalloc( cl->query.i_body );
1554 memcpy( cl->query.p_body, cl->p_buffer + 4, cl->i_buffer );
1557 /* The smallest legal request is 7 bytes ("GET /\r\n"),
1558 * this is the maximum we can ask at this point. */
1559 if( cl->i_buffer >= 7 )
1561 if( !memcmp( cl->p_buffer, "HTTP/1.", 7 ) )
1563 cl->query.i_proto = HTTPD_PROTO_HTTP;
1564 cl->query.i_type = HTTPD_MSG_ANSWER;
1566 else if( !memcmp( cl->p_buffer, "RTSP/1.", 7 ) )
1568 cl->query.i_proto = HTTPD_PROTO_RTSP;
1569 cl->query.i_type = HTTPD_MSG_ANSWER;
1573 /* We need the full request line to determine the protocol. */
1574 cl->query.i_proto = HTTPD_PROTO_HTTP0;
1575 cl->query.i_type = HTTPD_MSG_NONE;
1579 else if( cl->query.i_body > 0 )
1581 /* we are reading the body of a request or a channel */
1582 i_len = httpd_NetRecv( cl, &cl->query.p_body[cl->i_buffer],
1583 cl->query.i_body - cl->i_buffer );
1586 cl->i_buffer += i_len;
1588 if( cl->i_buffer >= cl->query.i_body )
1590 cl->i_state = HTTPD_CLIENT_RECEIVE_DONE;
1595 /* we are reading a header -> char by char */
1598 if( cl->i_buffer == cl->i_buffer_size )
1600 uint8_t *newbuf = realloc( cl->p_buffer, cl->i_buffer_size + 1024 );
1601 if( newbuf == NULL )
1607 cl->p_buffer = newbuf;
1608 cl->i_buffer_size += 1024;
1611 i_len = httpd_NetRecv (cl, &cl->p_buffer[cl->i_buffer], 1 );
1618 if( ( cl->query.i_proto == HTTPD_PROTO_HTTP0 )
1619 && ( cl->p_buffer[cl->i_buffer - 1] == '\n' ) )
1621 /* Request line is now complete */
1622 const char *p = memchr( cl->p_buffer, ' ', cl->i_buffer );
1625 assert( cl->query.i_type == HTTPD_MSG_NONE );
1627 if( p == NULL ) /* no URI: evil guy */
1629 i_len = 0; /* drop connection */
1634 p++; /* skips extra spaces */
1637 p = memchr( p, ' ', ((char *)cl->p_buffer) + cl->i_buffer - p );
1638 if( p == NULL ) /* no explicit protocol: HTTP/0.9 */
1640 i_len = 0; /* not supported currently -> drop */
1645 p++; /* skips extra spaces ever again */
1648 len = ((char *)cl->p_buffer) + cl->i_buffer - p;
1649 if( len < 7 ) /* foreign protocol */
1650 i_len = 0; /* I don't understand -> drop */
1652 if( memcmp( p, "HTTP/1.", 7 ) == 0 )
1654 cl->query.i_proto = HTTPD_PROTO_HTTP;
1655 cl->query.i_version = atoi( p + 7 );
1658 if( memcmp( p, "RTSP/1.", 7 ) == 0 )
1660 cl->query.i_proto = HTTPD_PROTO_RTSP;
1661 cl->query.i_version = atoi( p + 7 );
1664 if( memcmp( p, "HTTP/", 5 ) == 0 )
1666 const uint8_t sorry[] =
1667 "HTTP/1.1 505 Unknown HTTP version\r\n\r\n";
1668 httpd_NetSend( cl, sorry, sizeof( sorry ) - 1 );
1669 i_len = 0; /* drop */
1672 if( memcmp( p, "RTSP/", 5 ) == 0 )
1674 const uint8_t sorry[] =
1675 "RTSP/1.0 505 Unknown RTSP version\r\n\r\n";
1676 httpd_NetSend( cl, sorry, sizeof( sorry ) - 1 );
1677 i_len = 0; /* drop */
1679 else /* yet another foreign protocol */
1686 if( ( cl->i_buffer >= 2 && !memcmp( &cl->p_buffer[cl->i_buffer-2], "\n\n", 2 ) )||
1687 ( cl->i_buffer >= 4 && !memcmp( &cl->p_buffer[cl->i_buffer-4], "\r\n\r\n", 4 ) ) )
1691 /* we have finished the header so parse it and set i_body */
1692 cl->p_buffer[cl->i_buffer] = '\0';
1694 if( cl->query.i_type == HTTPD_MSG_ANSWER )
1697 * assume strlen( "HTTP/1.x" ) = 8
1699 cl->query.i_status =
1700 strtol( (char *)&cl->p_buffer[8],
1710 cl->query.i_type = HTTPD_MSG_NONE;
1712 /*fprintf( stderr, "received new request=%s\n", cl->p_buffer);*/
1714 for( i = 0; msg_type[i].name[0]; i++ )
1716 if( !strncmp( (char *)cl->p_buffer, msg_type[i].name,
1717 strlen( msg_type[i].name ) ) )
1719 p = (char *)&cl->p_buffer[strlen(msg_type[i].name) + 1 ];
1720 cl->query.i_type = msg_type[i].i_type;
1721 if( cl->query.i_proto != msg_type[i].i_proto )
1724 cl->query.i_proto = HTTPD_PROTO_NONE;
1725 cl->query.i_type = HTTPD_MSG_NONE;
1732 if( strstr( (char *)cl->p_buffer, "HTTP/1." ) )
1734 cl->query.i_proto = HTTPD_PROTO_HTTP;
1736 else if( strstr( (char *)cl->p_buffer, "RTSP/1." ) )
1738 cl->query.i_proto = HTTPD_PROTO_RTSP;
1750 p2 = strchr( p, ' ' );
1755 if( !strncasecmp( p, ( cl->query.i_proto
1756 == HTTPD_PROTO_HTTP ) ? "http" : "rtsp", 4 )
1757 && p[4 + !!strchr( "sS", p[4] )] == ':' )
1758 { /* Skip hier-part of URL (if present) */
1759 p = strchr( p, ':' ) + 1; /* skip URI scheme */
1760 if( !strncmp( p, "//", 2 ) ) /* skip authority */
1761 { /* see RFC3986 §3.2 */
1763 while( *p && !strchr( "/?#", *p ) ) p++;
1766 cl->query.psz_url = strdup( p );
1767 if( ( p3 = strchr( cl->query.psz_url, '?' ) ) )
1770 cl->query.psz_args = (uint8_t *)strdup( p3 );
1777 p = strchr( p, '\n' );
1781 while( *p == '\n' || *p == '\r' )
1785 while( p && *p != '\0' )
1788 char *eol = p = strchr( p, '\n' );
1791 while( eol && eol >= line && ( *eol == '\n' || *eol == '\r' ) )
1796 if( ( colon = strchr( line, ':' ) ) )
1802 while( *colon == ' ' )
1806 name = strdup( line );
1807 value = strdup( colon );
1809 TAB_APPEND( cl->query.i_name, cl->query.name, name );
1810 TAB_APPEND( cl->query.i_value,cl->query.value,value);
1812 if( !strcasecmp( name, "Content-Length" ) )
1814 cl->query.i_body = atol( value );
1821 while( *p == '\n' || *p == '\r' )
1828 if( cl->query.i_body > 0 )
1830 /* TODO Mhh, handle the case client will only send a
1831 * request and close the connection
1832 * to mark and of body (probably only RTSP) */
1833 cl->query.p_body = xmalloc( cl->query.i_body );
1838 cl->i_state = HTTPD_CLIENT_RECEIVE_DONE;
1844 /* check if the client is to be set to dead */
1845 #if defined( WIN32 ) || defined( UNDER_CE )
1846 if( ( i_len < 0 && WSAGetLastError() != WSAEWOULDBLOCK ) || ( i_len == 0 ) )
1848 if( ( i_len < 0 && errno != EAGAIN ) || ( i_len == 0 ) )
1851 if( cl->query.i_proto != HTTPD_PROTO_NONE && cl->query.i_type != HTTPD_MSG_NONE )
1853 /* connection closed -> end of data */
1854 if( cl->query.i_body > 0 )
1856 cl->query.i_body = cl->i_buffer;
1858 cl->i_state = HTTPD_CLIENT_RECEIVE_DONE;
1862 cl->i_state = HTTPD_CLIENT_DEAD;
1866 /* XXX: for QT I have to disable timeout. Try to find why */
1867 if( cl->query.i_proto == HTTPD_PROTO_RTSP )
1868 cl->i_activity_timeout = 0;
1870 #if 0 /* Debugging only */
1871 if( cl->i_state == HTTPD_CLIENT_RECEIVE_DONE )
1875 fprintf( stderr, "received new request\n" );
1876 fprintf( stderr, " - proto=%s\n",
1877 cl->query.i_proto == HTTPD_PROTO_HTTP ? "HTTP" : "RTSP" );
1878 fprintf( stderr, " - version=%d\n", cl->query.i_version );
1879 fprintf( stderr, " - msg=%d\n", cl->query.i_type );
1880 if( cl->query.i_type == HTTPD_MSG_ANSWER )
1882 fprintf( stderr, " - answer=%d '%s'\n", cl->query.i_status,
1883 cl->query.psz_status );
1885 else if( cl->query.i_type != HTTPD_MSG_NONE )
1887 fprintf( stderr, " - url=%s\n", cl->query.psz_url );
1889 for( i = 0; i < cl->query.i_name; i++ )
1891 fprintf( stderr, " - option name='%s' value='%s'\n",
1892 cl->query.name[i], cl->query.value[i] );
1898 static void httpd_ClientSend( httpd_client_t *cl )
1903 if( cl->i_buffer < 0 )
1905 /* We need to create the header */
1908 const char *psz_status = httpd_ReasonFromCode( cl->answer.i_status );
1910 i_size = strlen( "HTTP/1.") + 10 + 10 + strlen( psz_status ) + 5;
1911 for( i = 0; i < cl->answer.i_name; i++ )
1913 i_size += strlen( cl->answer.name[i] ) + 2 +
1914 strlen( cl->answer.value[i] ) + 2;
1917 if( cl->i_buffer_size < i_size )
1919 cl->i_buffer_size = i_size;
1920 free( cl->p_buffer );
1921 cl->p_buffer = xmalloc( i_size );
1923 p = (char *)cl->p_buffer;
1925 p += sprintf( p, "%s.%u %d %s\r\n",
1926 cl->answer.i_proto == HTTPD_PROTO_HTTP ? "HTTP/1" : "RTSP/1",
1927 cl->answer.i_version,
1928 cl->answer.i_status, psz_status );
1929 for( i = 0; i < cl->answer.i_name; i++ )
1931 p += sprintf( p, "%s: %s\r\n", cl->answer.name[i],
1932 cl->answer.value[i] );
1934 p += sprintf( p, "\r\n" );
1937 cl->i_buffer_size = (uint8_t*)p - cl->p_buffer;
1939 /*fprintf( stderr, "sending answer\n" );
1940 fprintf( stderr, "%s", cl->p_buffer );*/
1943 i_len = httpd_NetSend( cl, &cl->p_buffer[cl->i_buffer],
1944 cl->i_buffer_size - cl->i_buffer );
1947 cl->i_buffer += i_len;
1949 if( cl->i_buffer >= cl->i_buffer_size )
1951 if( cl->answer.i_body == 0 && cl->answer.i_body_offset > 0 &&
1952 !cl->b_read_waiting )
1954 /* catch more body data */
1955 int i_msg = cl->query.i_type;
1956 int64_t i_offset = cl->answer.i_body_offset;
1958 httpd_MsgClean( &cl->answer );
1959 cl->answer.i_body_offset = i_offset;
1961 cl->url->catch[i_msg].cb( cl->url->catch[i_msg].p_sys, cl,
1962 &cl->answer, &cl->query );
1965 if( cl->answer.i_body > 0 )
1967 /* send the body data */
1968 free( cl->p_buffer );
1969 cl->p_buffer = cl->answer.p_body;
1970 cl->i_buffer_size = cl->answer.i_body;
1973 cl->answer.i_body = 0;
1974 cl->answer.p_body = NULL;
1979 cl->i_state = HTTPD_CLIENT_SEND_DONE;
1985 #if defined( WIN32 ) || defined( UNDER_CE )
1986 if( ( i_len < 0 && WSAGetLastError() != WSAEWOULDBLOCK ) || ( i_len == 0 ) )
1988 if( ( i_len < 0 && errno != EAGAIN ) || ( i_len == 0 ) )
1992 cl->i_state = HTTPD_CLIENT_DEAD;
1997 static void httpd_ClientTlsHsIn( httpd_client_t *cl )
1999 switch( tls_SessionContinueHandshake( cl->p_tls ) )
2002 cl->i_state = HTTPD_CLIENT_RECEIVING;
2006 cl->i_state = HTTPD_CLIENT_DEAD;
2011 cl->i_state = HTTPD_CLIENT_TLS_HS_OUT;
2015 static void httpd_ClientTlsHsOut( httpd_client_t *cl )
2017 switch( tls_SessionContinueHandshake( cl->p_tls ) )
2020 cl->i_state = HTTPD_CLIENT_RECEIVING;
2024 cl->i_state = HTTPD_CLIENT_DEAD;
2029 cl->i_state = HTTPD_CLIENT_TLS_HS_IN;
2034 static void* httpd_HostThread( void *data )
2036 httpd_host_t *host = data;
2037 tls_session_t *p_tls = NULL;
2038 counter_t *p_total_counter = stats_CounterCreate( host, VLC_VAR_INTEGER, STATS_COUNTER );
2039 counter_t *p_active_counter = stats_CounterCreate( host, VLC_VAR_INTEGER, STATS_COUNTER );
2040 int evfd = vlc_object_waitpipe( VLC_OBJECT( host ) );
2044 /* prepare a new TLS session */
2045 if( ( p_tls == NULL ) && ( host->p_tls != NULL ) )
2046 p_tls = tls_ServerSessionPrepare( host->p_tls );
2048 struct pollfd ufd[host->nfd + host->i_client + 1];
2050 for( nfd = 0; nfd < host->nfd; nfd++ )
2052 ufd[nfd].fd = host->fds[nfd];
2053 ufd[nfd].events = POLLIN;
2054 ufd[nfd].revents = 0;
2057 /* add all socket that should be read/write and close dead connection */
2058 vlc_mutex_lock( &host->lock );
2059 while( host->i_url <= 0 && host->i_ref > 0 )
2060 vlc_cond_wait( &host->wait, &host->lock );
2062 mtime_t now = mdate();
2063 bool b_low_delay = false;
2065 for(int i_client = 0; i_client < host->i_client; i_client++ )
2067 httpd_client_t *cl = host->client[i_client];
2068 if( cl->i_ref < 0 || ( cl->i_ref == 0 &&
2069 ( cl->i_state == HTTPD_CLIENT_DEAD ||
2070 ( cl->i_activity_timeout > 0 &&
2071 cl->i_activity_date+cl->i_activity_timeout < now) ) ) )
2073 httpd_ClientClean( cl );
2074 stats_UpdateInteger( host, p_active_counter, -1, NULL );
2075 TAB_REMOVE( host->i_client, host->client, cl );
2081 struct pollfd *pufd = ufd + nfd;
2082 assert (pufd < ufd + (sizeof (ufd) / sizeof (ufd[0])));
2085 pufd->events = pufd->revents = 0;
2087 if( ( cl->i_state == HTTPD_CLIENT_RECEIVING )
2088 || ( cl->i_state == HTTPD_CLIENT_TLS_HS_IN ) )
2090 pufd->events = POLLIN;
2092 else if( ( cl->i_state == HTTPD_CLIENT_SENDING )
2093 || ( cl->i_state == HTTPD_CLIENT_TLS_HS_OUT ) )
2095 pufd->events = POLLOUT;
2097 else if( cl->i_state == HTTPD_CLIENT_RECEIVE_DONE )
2099 httpd_message_t *answer = &cl->answer;
2100 httpd_message_t *query = &cl->query;
2101 int i_msg = query->i_type;
2103 httpd_MsgInit( answer );
2105 /* Handle what we received */
2106 if( (cl->i_mode != HTTPD_CLIENT_BIDIR) &&
2107 (i_msg == HTTPD_MSG_ANSWER || i_msg == HTTPD_MSG_CHANNEL) )
2109 /* we can only receive request from client when not
2112 cl->i_state = HTTPD_CLIENT_DEAD;
2114 else if( i_msg == HTTPD_MSG_ANSWER )
2116 /* We are in BIDIR mode, trigger the callback and then
2117 * check for new data */
2118 if( cl->url && cl->url->catch[i_msg].cb )
2120 cl->url->catch[i_msg].cb( cl->url->catch[i_msg].p_sys,
2123 cl->i_state = HTTPD_CLIENT_WAITING;
2125 else if( i_msg == HTTPD_MSG_CHANNEL )
2127 /* We are in BIDIR mode, trigger the callback and then
2128 * check for new data */
2129 if( cl->url && cl->url->catch[i_msg].cb )
2131 cl->url->catch[i_msg].cb( cl->url->catch[i_msg].p_sys,
2134 cl->i_state = HTTPD_CLIENT_WAITING;
2136 else if( i_msg == HTTPD_MSG_OPTIONS )
2139 answer->i_type = HTTPD_MSG_ANSWER;
2140 answer->i_proto = query->i_proto;
2141 answer->i_status = 200;
2143 answer->p_body = NULL;
2145 httpd_MsgAdd( answer, "Server", "%s", PACKAGE_STRING );
2146 httpd_MsgAdd( answer, "Content-Length", "0" );
2148 switch( query->i_proto )
2150 case HTTPD_PROTO_HTTP:
2151 answer->i_version = 1;
2152 httpd_MsgAdd( answer, "Allow",
2153 "GET,HEAD,POST,OPTIONS" );
2156 case HTTPD_PROTO_RTSP:
2159 answer->i_version = 0;
2161 p = httpd_MsgGet( query, "Cseq" );
2163 httpd_MsgAdd( answer, "Cseq", "%s", p );
2164 p = httpd_MsgGet( query, "Timestamp" );
2166 httpd_MsgAdd( answer, "Timestamp", "%s", p );
2168 p = httpd_MsgGet( query, "Require" );
2171 answer->i_status = 551;
2172 httpd_MsgAdd( query, "Unsupported", "%s", p );
2175 httpd_MsgAdd( answer, "Public", "DESCRIBE,SETUP,"
2176 "TEARDOWN,PLAY,PAUSE,GET_PARAMETER" );
2181 cl->i_buffer = -1; /* Force the creation of the answer in
2182 * httpd_ClientSend */
2183 cl->i_state = HTTPD_CLIENT_SENDING;
2185 else if( i_msg == HTTPD_MSG_NONE )
2187 if( query->i_proto == HTTPD_PROTO_NONE )
2190 cl->i_state = HTTPD_CLIENT_DEAD;
2197 answer->i_proto = query->i_proto ;
2198 answer->i_type = HTTPD_MSG_ANSWER;
2199 answer->i_version= 0;
2200 answer->i_status = 501;
2202 answer->i_body = httpd_HtmlError (&p, 501, NULL);
2203 answer->p_body = (uint8_t *)p;
2204 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
2206 cl->i_buffer = -1; /* Force the creation of the answer in httpd_ClientSend */
2207 cl->i_state = HTTPD_CLIENT_SENDING;
2212 bool b_auth_failed = false;
2213 bool b_hosts_failed = false;
2215 /* Search the url and trigger callbacks */
2216 for(int i = 0; i < host->i_url; i++ )
2218 httpd_url_t *url = host->url[i];
2220 if( !strcmp( url->psz_url, query->psz_url ) )
2222 if( url->catch[i_msg].cb )
2224 if( answer && ( url->p_acl != NULL ) )
2226 char ip[NI_MAXNUMERICHOST];
2228 if( ( httpd_ClientIP( cl, ip ) == NULL )
2229 || ACL_Check( url->p_acl, ip ) )
2231 b_hosts_failed = true;
2236 if( answer && ( *url->psz_user || *url->psz_password ) )
2238 /* create the headers */
2239 const char *b64 = httpd_MsgGet( query, "Authorization" ); /* BASIC id */
2240 char *user = NULL, *pass = NULL;
2243 && !strncasecmp( b64, "BASIC", 5 ) )
2246 while( *b64 == ' ' )
2249 user = vlc_b64_decode( b64 );
2252 pass = strchr (user, ':');
2258 if ((user == NULL) || (pass == NULL)
2259 || strcmp (user, url->psz_user)
2260 || strcmp (pass, url->psz_password))
2262 httpd_MsgAdd( answer,
2264 "Basic realm=\"VLC stream\"" );
2265 /* We fail for all url */
2266 b_auth_failed = true;
2274 if( !url->catch[i_msg].cb( url->catch[i_msg].p_sys, cl, answer, query ) )
2276 if( answer->i_proto == HTTPD_PROTO_NONE )
2278 /* Raw answer from a CGI */
2279 cl->i_buffer = cl->i_buffer_size;
2284 /* only one url can answer */
2286 if( cl->url == NULL )
2299 answer->i_proto = query->i_proto;
2300 answer->i_type = HTTPD_MSG_ANSWER;
2301 answer->i_version= 0;
2303 if( b_hosts_failed )
2305 answer->i_status = 403;
2307 else if( b_auth_failed )
2309 answer->i_status = 401;
2313 /* no url registered */
2314 answer->i_status = 404;
2317 answer->i_body = httpd_HtmlError (&p,
2320 answer->p_body = (uint8_t *)p;
2322 cl->i_buffer = -1; /* Force the creation of the answer in httpd_ClientSend */
2323 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
2324 httpd_MsgAdd( answer, "Content-Type", "%s", "text/html" );
2327 cl->i_state = HTTPD_CLIENT_SENDING;
2330 else if( cl->i_state == HTTPD_CLIENT_SEND_DONE )
2332 if( cl->i_mode == HTTPD_CLIENT_FILE || cl->answer.i_body_offset == 0 )
2334 const char *psz_connection = httpd_MsgGet( &cl->answer, "Connection" );
2335 const char *psz_query = httpd_MsgGet( &cl->query, "Connection" );
2336 bool b_connection = false;
2337 bool b_keepalive = false;
2338 bool b_query = false;
2341 if( psz_connection )
2343 b_connection = ( strcasecmp( psz_connection, "Close" ) == 0 );
2344 b_keepalive = ( strcasecmp( psz_connection, "Keep-Alive" ) == 0 );
2349 b_query = ( strcasecmp( psz_query, "Close" ) == 0 );
2352 if( ( ( cl->query.i_proto == HTTPD_PROTO_HTTP ) &&
2353 ( ( cl->query.i_version == 0 && b_keepalive ) ||
2354 ( cl->query.i_version == 1 && !b_connection ) ) ) ||
2355 ( ( cl->query.i_proto == HTTPD_PROTO_RTSP ) &&
2356 !b_query && !b_connection ) )
2358 httpd_MsgClean( &cl->query );
2359 httpd_MsgInit( &cl->query );
2362 cl->i_buffer_size = 1000;
2363 free( cl->p_buffer );
2364 cl->p_buffer = xmalloc( cl->i_buffer_size );
2365 cl->i_state = HTTPD_CLIENT_RECEIVING;
2369 cl->i_state = HTTPD_CLIENT_DEAD;
2371 httpd_MsgClean( &cl->answer );
2373 else if( cl->b_read_waiting )
2375 /* we have a message waiting for us to read it */
2376 httpd_MsgClean( &cl->answer );
2377 httpd_MsgClean( &cl->query );
2380 cl->i_buffer_size = 1000;
2381 free( cl->p_buffer );
2382 cl->p_buffer = xmalloc( cl->i_buffer_size );
2383 cl->i_state = HTTPD_CLIENT_RECEIVING;
2384 cl->b_read_waiting = false;
2388 int64_t i_offset = cl->answer.i_body_offset;
2389 httpd_MsgClean( &cl->answer );
2391 cl->answer.i_body_offset = i_offset;
2392 free( cl->p_buffer );
2393 cl->p_buffer = NULL;
2395 cl->i_buffer_size = 0;
2397 cl->i_state = HTTPD_CLIENT_WAITING;
2400 else if( cl->i_state == HTTPD_CLIENT_WAITING )
2402 int64_t i_offset = cl->answer.i_body_offset;
2403 int i_msg = cl->query.i_type;
2405 httpd_MsgInit( &cl->answer );
2406 cl->answer.i_body_offset = i_offset;
2408 cl->url->catch[i_msg].cb( cl->url->catch[i_msg].p_sys, cl,
2409 &cl->answer, &cl->query );
2410 if( cl->answer.i_type != HTTPD_MSG_NONE )
2412 /* we have new data, so re-enter send mode */
2414 cl->p_buffer = cl->answer.p_body;
2415 cl->i_buffer_size = cl->answer.i_body;
2416 cl->answer.p_body = NULL;
2417 cl->answer.i_body = 0;
2418 cl->i_state = HTTPD_CLIENT_SENDING;
2422 /* Special for BIDIR mode we also check reading */
2423 if( cl->i_mode == HTTPD_CLIENT_BIDIR &&
2424 cl->i_state == HTTPD_CLIENT_SENDING )
2426 pufd->events |= POLLIN;
2429 if (pufd->events != 0)
2434 vlc_mutex_unlock( &host->lock );
2437 ufd[nfd].events = POLLIN;
2438 ufd[nfd].revents = 0;
2441 /* we will wait 20ms (not too big) if HTTPD_CLIENT_WAITING */
2442 switch( poll( ufd, nfd, b_low_delay ? 20 : -1) )
2447 /* Kernel on low memory or a bug: pace */
2448 msg_Err( host, "polling error: %m" );
2455 if( ufd[nfd - 1].revents )
2458 /* Handle client sockets */
2459 vlc_mutex_lock( &host->lock );
2462 for( int i_client = 0; i_client < host->i_client; i_client++ )
2464 httpd_client_t *cl = host->client[i_client];
2465 const struct pollfd *pufd = &ufd[nfd];
2467 assert( pufd < &ufd[sizeof(ufd) / sizeof(ufd[0])] );
2469 if( cl->fd != pufd->fd )
2470 continue; // we were not waiting for this client
2472 if( pufd->revents == 0 )
2473 continue; // no event received
2475 cl->i_activity_date = now;
2477 if( cl->i_state == HTTPD_CLIENT_RECEIVING )
2479 httpd_ClientRecv( cl );
2481 else if( cl->i_state == HTTPD_CLIENT_SENDING )
2483 httpd_ClientSend( cl );
2485 else if( cl->i_state == HTTPD_CLIENT_TLS_HS_IN )
2487 httpd_ClientTlsHsIn( cl );
2489 else if( cl->i_state == HTTPD_CLIENT_TLS_HS_OUT )
2491 httpd_ClientTlsHsOut( cl );
2494 if( cl->i_mode == HTTPD_CLIENT_BIDIR &&
2495 cl->i_state == HTTPD_CLIENT_SENDING &&
2496 (pufd->revents & POLLIN) )
2498 cl->b_read_waiting = true;
2501 vlc_mutex_unlock( &host->lock );
2503 /* Handle server sockets (accept new connections) */
2504 for( nfd = 0; nfd < host->nfd; nfd++ )
2508 int fd = ufd[nfd].fd;
2510 assert (fd == host->fds[nfd]);
2512 if( ufd[nfd].revents == 0 )
2517 fd = accept4 (fd, NULL, NULL, SOCK_CLOEXEC);
2518 if (fd == -1 && errno == ENOSYS)
2520 fd = accept (fd, NULL, NULL);
2524 net_SetupSocket (fd);
2527 switch( tls_ServerSessionHandshake( p_tls, fd ) )
2530 msg_Err( host, "Rejecting TLS connection" );
2536 case 1: /* missing input - most likely */
2537 i_state = HTTPD_CLIENT_TLS_HS_IN;
2540 case 2: /* missing output */
2541 i_state = HTTPD_CLIENT_TLS_HS_OUT;
2545 if( (p_tls == NULL) != (host->p_tls == NULL) )
2546 break; // wasted TLS session, cannot accept() anymore
2549 stats_UpdateInteger( host, p_total_counter, 1, NULL );
2550 stats_UpdateInteger( host, p_active_counter, 1, NULL );
2551 cl = httpd_ClientNew( fd, p_tls, now );
2553 vlc_mutex_lock( &host->lock );
2554 TAB_APPEND( host->i_client, host->client, cl );
2555 vlc_mutex_unlock( &host->lock );
2557 cl->i_state = i_state; // override state for TLS
2559 if (host->p_tls != NULL)
2560 break; // cannot accept further without new TLS session
2566 tls_ServerSessionClose( p_tls );
2567 if( p_total_counter )
2568 stats_CounterClean( p_total_counter );
2569 if( p_active_counter )
2570 stats_CounterClean( p_active_counter );