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 *****************************************************************************/
36 #include <vlc_httpd.h>
37 #include <vlc_network.h>
40 #include <vlc_strings.h>
41 #include "../libvlc.h"
58 #if defined( UNDER_CE )
60 #elif defined( WIN32 )
61 # include <winsock2.h>
63 # include <sys/socket.h>
67 /* We need HUGE buffer otherwise TCP throughput is very limited */
68 #define HTTPD_CL_BUFSIZE 1000000
70 #define HTTPD_CL_BUFSIZE 10000
73 static void httpd_ClientClean( httpd_client_t *cl );
84 /* each host run in his own thread */
94 /* address/port and socket for listening at connections */
102 /* all registered url (becarefull that 2 httpd_url_t could point at the same url)
103 * This will slow down the url research but make my live easier
104 * All url will have their cb trigger, but only the first one can answer
110 httpd_client_t **client;
131 httpd_callback_sys_t *p_sys;
132 } catch[HTTPD_MSG_MAX];
138 HTTPD_CLIENT_RECEIVING,
139 HTTPD_CLIENT_RECEIVE_DONE,
141 HTTPD_CLIENT_SENDING,
142 HTTPD_CLIENT_SEND_DONE,
144 HTTPD_CLIENT_WAITING,
148 HTTPD_CLIENT_TLS_HS_IN,
149 HTTPD_CLIENT_TLS_HS_OUT
155 HTTPD_CLIENT_FILE, /* default */
156 HTTPD_CLIENT_STREAM, /* regulary get data from cb */
157 HTTPD_CLIENT_BIDIR, /* check for reading and get data from cb */
160 struct httpd_client_t
170 int b_read_waiting; /* stop as soon as possible sending */
172 mtime_t i_activity_date;
173 mtime_t i_activity_timeout;
175 /* buffer for reading header */
181 httpd_message_t query; /* client -> httpd */
182 httpd_message_t answer; /* httpd -> client */
185 tls_session_t *p_tls;
189 /*****************************************************************************
191 *****************************************************************************/
194 const char psz_ext[8];
195 const char *psz_mime;
198 { ".htm", "text/html" },
199 { ".html", "text/html" },
200 { ".txt", "text/plain" },
201 { ".xml", "text/xml" },
202 { ".dtd", "text/dtd" },
204 { ".css", "text/css" },
207 { ".gif", "image/gif" },
208 { ".jpe", "image/jpeg" },
209 { ".jpg", "image/jpeg" },
210 { ".jpeg", "image/jpeg" },
211 { ".png", "image/png" },
212 { ".mpjpeg","multipart/x-mixed-replace; boundary=This Random String" },
215 { ".avi", "video/avi" },
216 { ".asf", "video/x-ms-asf" },
217 { ".m1a", "audio/mpeg" },
218 { ".m2a", "audio/mpeg" },
219 { ".m1v", "video/mpeg" },
220 { ".m2v", "video/mpeg" },
221 { ".mp2", "audio/mpeg" },
222 { ".mp3", "audio/mpeg" },
223 { ".mpa", "audio/mpeg" },
224 { ".mpg", "video/mpeg" },
225 { ".mpeg", "video/mpeg" },
226 { ".mpe", "video/mpeg" },
227 { ".mov", "video/quicktime" },
228 { ".moov", "video/quicktime" },
229 { ".ogg", "application/ogg" },
230 { ".ogm", "application/ogg" },
231 { ".wav", "audio/wav" },
232 { ".wma", "audio/x-ms-wma" },
233 { ".wmv", "video/x-ms-wmv" },
240 static const char *httpd_MimeFromUrl( const char *psz_url )
245 psz_ext = strrchr( psz_url, '.' );
250 for( i = 0; http_mime[i].psz_ext[0] ; i++ )
252 if( !strcasecmp( http_mime[i].psz_ext, psz_ext ) )
254 return http_mime[i].psz_mime;
258 return "application/octet-stream";
265 const char psz_reason[36];
268 static const http_status_info http_reason[] =
270 /*{ 100, "Continue" },
271 { 101, "Switching Protocols" },*/
273 /*{ 201, "Created" },
275 { 203, "Non-authoritative information" },
276 { 204, "No content" },
277 { 205, "Reset content" },
278 { 206, "Partial content" },
279 { 250, "Low on storage space" },
280 { 300, "Multiple choices" },*/
281 { 301, "Moved permanently" },
282 /*{ 302, "Moved temporarily" },
283 { 303, "See other" },
284 { 304, "Not modified" },
285 { 305, "Use proxy" },
286 { 307, "Temporary redirect" },
287 { 400, "Bad request" },*/
288 { 401, "Unauthorized" },
289 /*{ 402, "Payment Required" },*/
290 { 403, "Forbidden" },
291 { 404, "Not found" },
292 { 405, "Method not allowed" },
293 /*{ 406, "Not acceptable" },
294 { 407, "Proxy authentication required" },
295 { 408, "Request time-out" },
298 { 411, "Length required" },
299 { 412, "Precondition failed" },
300 { 413, "Request entity too large" },
301 { 414, "Request-URI too large" },
302 { 415, "Unsupported media Type" },
303 { 416, "Requested range not satisfiable" },
304 { 417, "Expectation failed" },
305 { 451, "Parameter not understood" },
306 { 452, "Conference not found" },
307 { 453, "Not enough bandwidth" },*/
308 { 454, "Session not found" },
309 /*{ 455, "Method not valid in this State" },*/
310 { 456, "Header field not valid for resource" },
311 /*{ 457, "Invalid range" },
312 { 458, "Read-only parameter" },*/
313 { 459, "Aggregate operation not allowed" },
314 { 460, "Non-aggregate operation not allowed" },
315 { 461, "Unsupported transport" },
316 /*{ 462, "Destination unreachable" },*/
317 { 500, "Internal server error" },
318 { 501, "Not implemented" },
319 /*{ 502, "Bad gateway" },*/
320 { 503, "Service unavailable" },
321 /*{ 504, "Gateway time-out" },*/
322 { 505, "Protocol version not supported" },
323 { 551, "Option not supported" },
327 static const char psz_fallback_reason[5][16] =
328 { "Continue", "OK", "Found", "Client error", "Server error" };
330 static const char *httpd_ReasonFromCode( unsigned i_code )
332 const http_status_info *p;
334 assert( ( i_code >= 100 ) && ( i_code <= 599 ) );
336 for (p = http_reason; i_code > p->i_code; p++);
338 if( p->i_code == i_code )
339 return p->psz_reason;
341 return psz_fallback_reason[(i_code / 100) - 1];
345 static size_t httpd_HtmlError (char **body, int code, const char *url)
347 const char *errname = httpd_ReasonFromCode (code);
348 assert (errname != NULL);
350 int res = asprintf (body,
351 "<?xml version=\"1.0\" encoding=\"ascii\" ?>\n"
352 "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\""
353 " \"http://www.w3.org/TR/xhtml10/DTD/xhtml10strict.dtd\">\n"
354 "<html lang=\"en\">\n"
356 "<title>%s</title>\n"
359 "<h1>%d %s%s%s%s</h1>\n"
361 "<a href=\"http://www.videolan.org\">VideoLAN</a>\n"
363 "</html>\n", errname, code, errname,
364 (url ? " (" : ""), (url ?: ""), (url ? ")" : ""));
376 /*****************************************************************************
377 * High Level Functions: httpd_file_t
378 *****************************************************************************/
386 httpd_file_callback_t pf_fill;
387 httpd_file_sys_t *p_sys;
392 httpd_FileCallBack( httpd_callback_sys_t *p_sys, httpd_client_t *cl,
393 httpd_message_t *answer, const httpd_message_t *query )
395 httpd_file_t *file = (httpd_file_t*)p_sys;
396 uint8_t *psz_args = query->psz_args;
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 file->pf_fill( file->p_sys, file, psz_args, pp_body, pi_body );
435 if( query->i_type == HTTPD_MSG_HEAD && p_body != NULL )
440 /* We respect client request */
441 psz_connection = httpd_MsgGet( &cl->query, "Connection" );
442 if( psz_connection != NULL )
444 httpd_MsgAdd( answer, "Connection", "%s", psz_connection );
447 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
452 httpd_file_t *httpd_FileNew( httpd_host_t *host,
453 const char *psz_url, const char *psz_mime,
454 const char *psz_user, const char *psz_password,
455 const vlc_acl_t *p_acl, httpd_file_callback_t pf_fill,
456 httpd_file_sys_t *p_sys )
458 httpd_file_t *file = malloc( sizeof( httpd_file_t ) );
460 if( ( file->url = httpd_UrlNewUnique( host, psz_url, psz_user,
461 psz_password, p_acl )
468 file->psz_url = strdup( psz_url );
469 if( psz_mime && *psz_mime )
471 file->psz_mime = strdup( psz_mime );
475 file->psz_mime = strdup( httpd_MimeFromUrl( psz_url ) );
478 file->pf_fill = pf_fill;
481 httpd_UrlCatch( file->url, HTTPD_MSG_HEAD, httpd_FileCallBack,
482 (httpd_callback_sys_t*)file );
483 httpd_UrlCatch( file->url, HTTPD_MSG_GET, httpd_FileCallBack,
484 (httpd_callback_sys_t*)file );
485 httpd_UrlCatch( file->url, HTTPD_MSG_POST, httpd_FileCallBack,
486 (httpd_callback_sys_t*)file );
491 httpd_file_sys_t *httpd_FileDelete( httpd_file_t *file )
493 httpd_file_sys_t *p_sys = file->p_sys;
495 httpd_UrlDelete( file->url );
497 free( file->psz_url );
498 free( file->psz_mime );
505 /*****************************************************************************
506 * High Level Functions: httpd_handler_t (for CGIs)
507 *****************************************************************************/
508 struct httpd_handler_t
512 httpd_handler_callback_t pf_fill;
513 httpd_handler_sys_t *p_sys;
518 httpd_HandlerCallBack( httpd_callback_sys_t *p_sys, httpd_client_t *cl,
519 httpd_message_t *answer, const httpd_message_t *query )
521 httpd_handler_t *handler = (httpd_handler_t*)p_sys;
522 uint8_t *psz_args = query->psz_args;
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 handler->pf_fill( handler->p_sys, handler, query->psz_url, psz_args,
539 query->i_type, query->p_body, query->i_body,
540 psz_remote_addr, NULL,
541 &answer->p_body, &answer->i_body );
543 if( query->i_type == HTTPD_MSG_HEAD )
545 char *p = (char *)answer->p_body;
547 /* Looks for end of header (i.e. one empty line) */
548 while ( (p = strchr( p, '\r' )) != NULL )
550 if( p[1] && p[1] == '\n' && p[2] && p[2] == '\r'
551 && p[3] && p[3] == '\n' )
560 answer->i_body = strlen((char*)answer->p_body) + 1;
561 answer->p_body = realloc( answer->p_body, answer->i_body );
565 if( strncmp( (char *)answer->p_body, "HTTP/1.", 7 ) )
567 int i_status, i_headers;
568 char *psz_headers, *psz_new;
569 const char *psz_status;
571 if( !strncmp( (char *)answer->p_body, "Status: ", 8 ) )
574 i_status = strtol( (char *)&answer->p_body[8], &psz_headers, 0 );
575 if( *psz_headers ) psz_headers++;
576 if( *psz_headers ) psz_headers++;
577 i_headers = answer->i_body - (psz_headers - (char *)answer->p_body);
582 psz_headers = (char *)answer->p_body;
583 i_headers = answer->i_body;
586 psz_status = httpd_ReasonFromCode( i_status );
587 answer->i_body = sizeof("HTTP/1.0 xxx \r\n")
588 + strlen(psz_status) + i_headers - 1;
589 psz_new = (char *)malloc( answer->i_body + 1);
590 sprintf( psz_new, "HTTP/1.0 %03d %s\r\n", i_status, psz_status );
591 memcpy( &psz_new[strlen(psz_new)], psz_headers, i_headers );
592 free( answer->p_body );
593 answer->p_body = (uint8_t *)psz_new;
599 httpd_handler_t *httpd_HandlerNew( httpd_host_t *host, const char *psz_url,
600 const char *psz_user,
601 const char *psz_password,
602 const vlc_acl_t *p_acl,
603 httpd_handler_callback_t pf_fill,
604 httpd_handler_sys_t *p_sys )
606 httpd_handler_t *handler = malloc( sizeof( httpd_handler_t ) );
608 if( ( handler->url = httpd_UrlNewUnique( host, psz_url, psz_user,
609 psz_password, p_acl )
616 handler->pf_fill = pf_fill;
617 handler->p_sys = p_sys;
619 httpd_UrlCatch( handler->url, HTTPD_MSG_HEAD, httpd_HandlerCallBack,
620 (httpd_callback_sys_t*)handler );
621 httpd_UrlCatch( handler->url, HTTPD_MSG_GET, httpd_HandlerCallBack,
622 (httpd_callback_sys_t*)handler );
623 httpd_UrlCatch( handler->url, HTTPD_MSG_POST, httpd_HandlerCallBack,
624 (httpd_callback_sys_t*)handler );
629 httpd_handler_sys_t *httpd_HandlerDelete( httpd_handler_t *handler )
631 httpd_handler_sys_t *p_sys = handler->p_sys;
632 httpd_UrlDelete( handler->url );
637 /*****************************************************************************
638 * High Level Functions: httpd_redirect_t
639 *****************************************************************************/
640 struct httpd_redirect_t
646 static int httpd_RedirectCallBack( httpd_callback_sys_t *p_sys,
647 httpd_client_t *cl, httpd_message_t *answer,
648 const httpd_message_t *query )
650 httpd_redirect_t *rdir = (httpd_redirect_t*)p_sys;
654 if( answer == NULL || query == NULL )
658 answer->i_proto = HTTPD_PROTO_HTTP;
659 answer->i_version= 1;
660 answer->i_type = HTTPD_MSG_ANSWER;
661 answer->i_status = 301;
663 answer->i_body = httpd_HtmlError (&p_body, 301, rdir->psz_dst);
664 answer->p_body = (unsigned char *)p_body;
666 /* XXX check if it's ok or we need to set an absolute url */
667 httpd_MsgAdd( answer, "Location", "%s", rdir->psz_dst );
669 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
674 httpd_redirect_t *httpd_RedirectNew( httpd_host_t *host, const char *psz_url_dst,
675 const char *psz_url_src )
677 httpd_redirect_t *rdir = malloc( sizeof( httpd_redirect_t ) );
679 if( !( rdir->url = httpd_UrlNewUnique( host, psz_url_src, NULL, NULL, NULL ) ) )
684 rdir->psz_dst = strdup( psz_url_dst );
686 /* Redirect apply for all HTTP request and RTSP DESCRIBE resquest */
687 httpd_UrlCatch( rdir->url, HTTPD_MSG_HEAD, httpd_RedirectCallBack,
688 (httpd_callback_sys_t*)rdir );
689 httpd_UrlCatch( rdir->url, HTTPD_MSG_GET, httpd_RedirectCallBack,
690 (httpd_callback_sys_t*)rdir );
691 httpd_UrlCatch( rdir->url, HTTPD_MSG_POST, httpd_RedirectCallBack,
692 (httpd_callback_sys_t*)rdir );
693 httpd_UrlCatch( rdir->url, HTTPD_MSG_DESCRIBE, httpd_RedirectCallBack,
694 (httpd_callback_sys_t*)rdir );
698 void httpd_RedirectDelete( httpd_redirect_t *rdir )
700 httpd_UrlDelete( rdir->url );
701 free( rdir->psz_dst );
705 /*****************************************************************************
706 * High Level Funtions: httpd_stream_t
707 *****************************************************************************/
708 struct httpd_stream_t
715 /* Header to send as first packet */
719 /* circular buffer */
720 int i_buffer_size; /* buffer size, can't be reallocated smaller */
721 uint8_t *p_buffer; /* buffer */
722 int64_t i_buffer_pos; /* absolute position from begining */
723 int64_t i_buffer_last_pos; /* a new connection will start with that */
726 static int httpd_StreamCallBack( httpd_callback_sys_t *p_sys,
727 httpd_client_t *cl, httpd_message_t *answer,
728 const httpd_message_t *query )
730 httpd_stream_t *stream = (httpd_stream_t*)p_sys;
732 if( answer == NULL || query == NULL || cl == NULL )
737 if( answer->i_body_offset > 0 )
743 fprintf( stderr, "httpd_StreamCallBack i_body_offset=%lld\n",
744 answer->i_body_offset );
747 if( answer->i_body_offset >= stream->i_buffer_pos )
749 /* fprintf( stderr, "httpd_StreamCallBack: no data\n" ); */
750 return VLC_EGENERIC; /* wait, no data available */
752 if( answer->i_body_offset + stream->i_buffer_size <
753 stream->i_buffer_pos )
755 /* this client isn't fast enough */
757 fprintf( stderr, "fixing i_body_offset (old=%lld new=%lld)\n",
758 answer->i_body_offset, stream->i_buffer_last_pos );
760 answer->i_body_offset = stream->i_buffer_last_pos;
763 i_pos = answer->i_body_offset % stream->i_buffer_size;
764 i_write = stream->i_buffer_pos - answer->i_body_offset;
765 if( i_write > HTTPD_CL_BUFSIZE )
767 i_write = HTTPD_CL_BUFSIZE;
769 else if( i_write <= 0 )
771 return VLC_EGENERIC; /* wait, no data available */
774 /* Don't go past the end of the circular buffer */
775 i_write = __MIN( i_write, stream->i_buffer_size - i_pos );
777 /* using HTTPD_MSG_ANSWER -> data available */
778 answer->i_proto = HTTPD_PROTO_HTTP;
779 answer->i_version= 0;
780 answer->i_type = HTTPD_MSG_ANSWER;
782 answer->i_body = i_write;
783 answer->p_body = malloc( i_write );
784 memcpy( answer->p_body, &stream->p_buffer[i_pos], i_write );
786 answer->i_body_offset += i_write;
792 answer->i_proto = HTTPD_PROTO_HTTP;
793 answer->i_version= 0;
794 answer->i_type = HTTPD_MSG_ANSWER;
796 answer->i_status = 200;
798 if( query->i_type != HTTPD_MSG_HEAD )
800 httpd_ClientModeStream( cl );
801 vlc_mutex_lock( &stream->lock );
802 /* Send the header */
803 if( stream->i_header > 0 )
805 answer->i_body = stream->i_header;
806 answer->p_body = malloc( stream->i_header );
807 memcpy( answer->p_body, stream->p_header, stream->i_header );
809 answer->i_body_offset = stream->i_buffer_last_pos;
810 vlc_mutex_unlock( &stream->lock );
814 httpd_MsgAdd( answer, "Content-Length", "%d", 0 );
815 answer->i_body_offset = 0;
818 if( !strcmp( stream->psz_mime, "video/x-ms-asf-stream" ) )
820 vlc_bool_t b_xplaystream = VLC_FALSE;
823 httpd_MsgAdd( answer, "Content-type", "%s",
824 "application/octet-stream" );
825 httpd_MsgAdd( answer, "Server", "Cougar 4.1.0.3921" );
826 httpd_MsgAdd( answer, "Pragma", "no-cache" );
827 httpd_MsgAdd( answer, "Pragma", "client-id=%d", rand()&0x7fff );
828 httpd_MsgAdd( answer, "Pragma", "features=\"broadcast\"" );
830 /* Check if there is a xPlayStrm=1 */
831 for( i = 0; i < query->i_name; i++ )
833 if( !strcasecmp( query->name[i], "Pragma" ) &&
834 strstr( query->value[i], "xPlayStrm=1" ) )
836 b_xplaystream = VLC_TRUE;
842 answer->i_body_offset = 0;
847 httpd_MsgAdd( answer, "Content-type", "%s", stream->psz_mime );
849 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
854 httpd_stream_t *httpd_StreamNew( httpd_host_t *host,
855 const char *psz_url, const char *psz_mime,
856 const char *psz_user, const char *psz_password,
857 const vlc_acl_t *p_acl )
859 httpd_stream_t *stream = malloc( sizeof( httpd_stream_t ) );
861 if( ( stream->url = httpd_UrlNewUnique( host, psz_url, psz_user,
862 psz_password, p_acl )
868 vlc_mutex_init( host, &stream->lock );
869 if( psz_mime && *psz_mime )
871 stream->psz_mime = strdup( psz_mime );
875 stream->psz_mime = strdup( httpd_MimeFromUrl( psz_url ) );
877 stream->i_header = 0;
878 stream->p_header = NULL;
879 stream->i_buffer_size = 5000000; /* 5 Mo per stream */
880 stream->p_buffer = malloc( stream->i_buffer_size );
881 /* We set to 1 to make life simpler
882 * (this way i_body_offset can never be 0) */
883 stream->i_buffer_pos = 1;
884 stream->i_buffer_last_pos = 1;
886 httpd_UrlCatch( stream->url, HTTPD_MSG_HEAD, httpd_StreamCallBack,
887 (httpd_callback_sys_t*)stream );
888 httpd_UrlCatch( stream->url, HTTPD_MSG_GET, httpd_StreamCallBack,
889 (httpd_callback_sys_t*)stream );
890 httpd_UrlCatch( stream->url, HTTPD_MSG_POST, httpd_StreamCallBack,
891 (httpd_callback_sys_t*)stream );
896 int httpd_StreamHeader( httpd_stream_t *stream, uint8_t *p_data, int i_data )
898 vlc_mutex_lock( &stream->lock );
899 if( stream->p_header )
901 free( stream->p_header );
902 stream->p_header = NULL;
904 stream->i_header = i_data;
907 stream->p_header = malloc( i_data );
908 memcpy( stream->p_header, p_data, i_data );
910 vlc_mutex_unlock( &stream->lock );
915 int httpd_StreamSend( httpd_stream_t *stream, uint8_t *p_data, int i_data )
920 if( i_data < 0 || p_data == NULL )
924 vlc_mutex_lock( &stream->lock );
926 /* save this pointer (to be used by new connection) */
927 stream->i_buffer_last_pos = stream->i_buffer_pos;
929 i_pos = stream->i_buffer_pos % stream->i_buffer_size;
935 i_copy = __MIN( i_count, stream->i_buffer_size - i_pos );
937 /* Ok, we can't go past the end of our buffer */
938 memcpy( &stream->p_buffer[i_pos], p_data, i_copy );
940 i_pos = ( i_pos + i_copy ) % stream->i_buffer_size;
945 stream->i_buffer_pos += i_data;
947 vlc_mutex_unlock( &stream->lock );
951 void httpd_StreamDelete( httpd_stream_t *stream )
953 httpd_UrlDelete( stream->url );
954 vlc_mutex_destroy( &stream->lock );
955 if( stream->psz_mime ) free( stream->psz_mime );
956 if( stream->p_header ) free( stream->p_header );
957 if( stream->p_buffer ) free( stream->p_buffer );
961 /*****************************************************************************
963 *****************************************************************************/
964 static void httpd_HostThread( httpd_host_t * );
966 /* create a new host */
967 httpd_host_t *httpd_HostNew( vlc_object_t *p_this, const char *psz_host,
970 return httpd_TLSHostNew( p_this, psz_host, i_port, NULL, NULL, NULL, NULL
974 static const char psz_object_type[] = "http server";
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 )
994 msg_Err( p_this, "memory error" );
998 /* to be sure to avoid multiple creation */
999 var_Create( p_this->p_libvlc, "httpd_mutex", VLC_VAR_MUTEX );
1000 var_Get( p_this->p_libvlc, "httpd_mutex", &lockval );
1001 vlc_mutex_lock( lockval.p_address );
1003 if( !(httpd = vlc_object_find( p_this, VLC_OBJECT_HTTPD, FIND_ANYWHERE )) )
1005 msg_Info( p_this, "creating httpd" );
1006 httpd = (httpd_t *)vlc_custom_create( p_this, sizeof (*httpd),
1011 vlc_mutex_unlock( lockval.p_address );
1019 vlc_object_yield( httpd );
1020 vlc_object_attach( httpd, p_this->p_libvlc );
1023 /* verify if it already exist */
1024 for( i = httpd->i_host - 1; i >= 0; i-- )
1026 host = httpd->host[i];
1028 /* cannot mix TLS and non-TLS hosts */
1029 if( ( ( httpd->host[i]->p_tls != NULL ) != ( psz_cert != NULL ) )
1030 || ( host->i_port != i_port )
1031 || strcmp( host->psz_hostname, psz_hostname ) )
1037 vlc_mutex_unlock( lockval.p_address );
1043 /* determine TLS configuration */
1044 if ( psz_cert != NULL )
1046 p_tls = tls_ServerCreate( p_this, psz_cert, psz_key );
1047 if ( p_tls == NULL )
1049 msg_Err( p_this, "TLS initialization error" );
1053 if ( ( psz_ca != NULL) && tls_ServerAddCA( p_tls, psz_ca ) )
1055 msg_Err( p_this, "TLS CA error" );
1059 if ( ( psz_crl != NULL) && tls_ServerAddCRL( p_tls, psz_crl ) )
1061 msg_Err( p_this, "TLS CRL error" );
1068 /* create the new host */
1069 host = (httpd_host_t *)vlc_custom_create( p_this, sizeof (*host),
1070 VLC_OBJECT_HTTPD_HOST,
1075 vlc_object_lock( host );
1076 if( vlc_object_waitpipe( VLC_OBJECT( host ) ) == -1 )
1078 msg_Err( host, "signaling pipe error: %m" );
1079 vlc_object_unlock( host );
1082 vlc_object_unlock( host );
1084 host->httpd = httpd;
1085 vlc_mutex_init( httpd, &host->lock );
1088 host->fds = net_ListenTCP( p_this, psz_host, i_port );
1089 if( host->fds == NULL )
1091 msg_Err( p_this, "cannot create socket(s) for HTTP host" );
1094 for (host->nfd = 0; host->fds[host->nfd] != -1; host->nfd++);
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_thread_create( host, "httpd host thread", httpd_HostThread,
1108 VLC_THREAD_PRIORITY_LOW, VLC_FALSE ) )
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( lockval.p_address );
1122 if( httpd->i_host <= 0 )
1124 vlc_object_release( httpd );
1125 vlc_object_detach( httpd );
1126 vlc_object_destroy( httpd );
1128 vlc_mutex_unlock( lockval.p_address );
1132 net_ListenClose( host->fds );
1133 vlc_mutex_destroy( &host->lock );
1134 vlc_object_destroy( host );
1138 tls_ServerDelete( p_tls );
1144 void httpd_HostDelete( httpd_host_t *host )
1146 httpd_t *httpd = host->httpd;
1147 vlc_value_t lockval;
1150 var_Get( httpd->p_libvlc, "httpd_mutex", &lockval );
1151 vlc_mutex_lock( lockval.p_address );
1154 if( host->i_ref > 0 )
1157 vlc_mutex_unlock( lockval.p_address );
1158 msg_Dbg( host, "httpd_HostDelete: host still used" );
1161 TAB_REMOVE( httpd->i_host, httpd->host, host );
1163 vlc_object_kill( host );
1164 vlc_thread_join( host );
1166 msg_Dbg( host, "HTTP host removed" );
1168 for( i = 0; i < host->i_url; i++ )
1170 msg_Err( host, "url still registered: %s", host->url[i]->psz_url );
1172 for( i = 0; i < host->i_client; i++ )
1174 httpd_client_t *cl = host->client[i];
1175 msg_Warn( host, "client still connected" );
1176 httpd_ClientClean( cl );
1177 TAB_REMOVE( host->i_client, host->client, cl );
1183 if( host->p_tls != NULL)
1184 tls_ServerDelete( host->p_tls );
1186 net_ListenClose( host->fds );
1187 free( host->psz_hostname );
1189 vlc_mutex_destroy( &host->lock );
1190 vlc_object_destroy( host );
1192 vlc_object_release( httpd );
1193 if( httpd->i_host <= 0 )
1195 msg_Dbg( httpd, "no host left, stopping httpd" );
1196 vlc_object_detach( httpd );
1197 vlc_object_destroy( httpd );
1199 vlc_mutex_unlock( lockval.p_address );
1202 /* register a new url */
1203 static httpd_url_t *httpd_UrlNewPrivate( httpd_host_t *host, const char *psz_url,
1204 const char *psz_user, const char *psz_password,
1205 const vlc_acl_t *p_acl, vlc_bool_t b_check )
1210 assert( psz_url != NULL );
1212 vlc_mutex_lock( &host->lock );
1215 for( i = 0; i < host->i_url; i++ )
1217 if( !strcmp( psz_url, host->url[i]->psz_url ) )
1219 msg_Warn( host->httpd,
1220 "cannot add '%s' (url already defined)", psz_url );
1221 vlc_mutex_unlock( &host->lock );
1227 url = malloc( sizeof( httpd_url_t ) );
1230 vlc_mutex_init( host->httpd, &url->lock );
1231 url->psz_url = strdup( psz_url );
1232 url->psz_user = strdup( psz_user ? psz_user : "" );
1233 url->psz_password = strdup( psz_password ? psz_password : "" );
1234 url->p_acl = ACL_Duplicate( host, p_acl );
1235 for( i = 0; i < HTTPD_MSG_MAX; i++ )
1237 url->catch[i].cb = NULL;
1238 url->catch[i].p_sys = NULL;
1241 TAB_APPEND( host->i_url, host->url, url );
1242 vlc_mutex_unlock( &host->lock );
1247 httpd_url_t *httpd_UrlNew( httpd_host_t *host, const char *psz_url,
1248 const char *psz_user, const char *psz_password,
1249 const vlc_acl_t *p_acl )
1251 return httpd_UrlNewPrivate( host, psz_url, psz_user,
1252 psz_password, p_acl, VLC_FALSE );
1255 httpd_url_t *httpd_UrlNewUnique( httpd_host_t *host, const char *psz_url,
1256 const char *psz_user, const char *psz_password,
1257 const vlc_acl_t *p_acl )
1259 return httpd_UrlNewPrivate( host, psz_url, psz_user,
1260 psz_password, p_acl, VLC_TRUE );
1263 /* register callback on a url */
1264 int httpd_UrlCatch( httpd_url_t *url, int i_msg, httpd_callback_t cb,
1265 httpd_callback_sys_t *p_sys )
1267 vlc_mutex_lock( &url->lock );
1268 url->catch[i_msg].cb = cb;
1269 url->catch[i_msg].p_sys= p_sys;
1270 vlc_mutex_unlock( &url->lock );
1276 void httpd_UrlDelete( httpd_url_t *url )
1278 httpd_host_t *host = url->host;
1281 vlc_mutex_lock( &host->lock );
1282 TAB_REMOVE( host->i_url, host->url, url );
1284 vlc_mutex_destroy( &url->lock );
1285 free( url->psz_url );
1286 free( url->psz_user );
1287 free( url->psz_password );
1288 ACL_Destroy( url->p_acl );
1290 for( i = 0; i < host->i_client; i++ )
1292 httpd_client_t *client = host->client[i];
1294 if( client->url == url )
1296 /* TODO complete it */
1297 msg_Warn( host, "force closing connections" );
1298 httpd_ClientClean( client );
1299 TAB_REMOVE( host->i_client, host->client, client );
1305 vlc_mutex_unlock( &host->lock );
1308 void httpd_MsgInit( httpd_message_t *msg )
1311 msg->i_type = HTTPD_MSG_NONE;
1312 msg->i_proto = HTTPD_PROTO_NONE;
1313 msg->i_version = -1; /* FIXME */
1317 msg->psz_url = NULL;
1318 msg->psz_args = NULL;
1320 msg->i_channel = -1;
1327 msg->i_body_offset = 0;
1332 void httpd_MsgClean( httpd_message_t *msg )
1338 free( msg->psz_url );
1342 free( msg->psz_args );
1344 for( i = 0; i < msg->i_name; i++ )
1346 free( msg->name[i] );
1347 free( msg->value[i] );
1359 free( msg->p_body );
1361 httpd_MsgInit( msg );
1364 const char *httpd_MsgGet( const httpd_message_t *msg, const char *name )
1368 for( i = 0; i < msg->i_name; i++ )
1370 if( !strcasecmp( msg->name[i], name ))
1372 return msg->value[i];
1378 void httpd_MsgAdd( httpd_message_t *msg, const char *name, const char *psz_value, ... )
1383 va_start( args, psz_value );
1384 if( vasprintf( &value, psz_value, args ) == -1 )
1391 name = strdup( name );
1398 TAB_APPEND( msg->i_name, msg->name, (char*)name );
1399 TAB_APPEND( msg->i_value, msg->value, value );
1402 static void httpd_ClientInit( httpd_client_t *cl, mtime_t now )
1404 cl->i_state = HTTPD_CLIENT_RECEIVING;
1405 cl->i_activity_date = now;
1406 cl->i_activity_timeout = I64C(10000000);
1407 cl->i_buffer_size = HTTPD_CL_BUFSIZE;
1409 cl->p_buffer = malloc( cl->i_buffer_size );
1410 cl->i_mode = HTTPD_CLIENT_FILE;
1411 cl->b_read_waiting = VLC_FALSE;
1413 httpd_MsgInit( &cl->query );
1414 httpd_MsgInit( &cl->answer );
1417 void httpd_ClientModeStream( httpd_client_t *cl )
1419 cl->i_mode = HTTPD_CLIENT_STREAM;
1422 void httpd_ClientModeBidir( httpd_client_t *cl )
1424 cl->i_mode = HTTPD_CLIENT_BIDIR;
1427 char* httpd_ClientIP( const httpd_client_t *cl, char *psz_ip )
1429 return net_GetPeerAddress( cl->fd, psz_ip, NULL ) ? NULL : psz_ip;
1432 char* httpd_ServerIP( const httpd_client_t *cl, char *psz_ip )
1434 return net_GetSockAddress( cl->fd, psz_ip, NULL ) ? NULL : psz_ip;
1437 static void httpd_ClientClean( httpd_client_t *cl )
1441 if( cl->p_tls != NULL )
1442 tls_ServerSessionClose( cl->p_tls );
1443 net_Close( cl->fd );
1447 httpd_MsgClean( &cl->answer );
1448 httpd_MsgClean( &cl->query );
1452 free( cl->p_buffer );
1453 cl->p_buffer = NULL;
1457 static httpd_client_t *httpd_ClientNew( int fd, tls_session_t *p_tls, mtime_t now )
1459 httpd_client_t *cl = malloc( sizeof( httpd_client_t ) );
1461 if( !cl ) return NULL;
1468 httpd_ClientInit( cl, now );
1473 static int httpd_NetRecv( httpd_client_t *cl, uint8_t *p, int i_len )
1475 tls_session_t *p_tls;
1479 return tls_Recv( p_tls, p, i_len );
1481 return recv( cl->fd, p, i_len, 0 );
1484 static int httpd_NetSend( httpd_client_t *cl, const uint8_t *p, int i_len )
1486 tls_session_t *p_tls;
1490 return tls_Send( p_tls, p, i_len );
1492 return send( cl->fd, p, i_len, 0 );
1498 const char name[16];
1504 { "OPTIONS", HTTPD_MSG_OPTIONS, HTTPD_PROTO_RTSP },
1505 { "DESCRIBE", HTTPD_MSG_DESCRIBE, HTTPD_PROTO_RTSP },
1506 { "SETUP", HTTPD_MSG_SETUP, HTTPD_PROTO_RTSP },
1507 { "PLAY", HTTPD_MSG_PLAY, HTTPD_PROTO_RTSP },
1508 { "PAUSE", HTTPD_MSG_PAUSE, HTTPD_PROTO_RTSP },
1509 { "GET_PARAMETER", HTTPD_MSG_GETPARAMETER, HTTPD_PROTO_RTSP },
1510 { "TEARDOWN", HTTPD_MSG_TEARDOWN, HTTPD_PROTO_RTSP },
1511 { "GET", HTTPD_MSG_GET, HTTPD_PROTO_HTTP },
1512 { "HEAD", HTTPD_MSG_HEAD, HTTPD_PROTO_HTTP },
1513 { "POST", HTTPD_MSG_POST, HTTPD_PROTO_HTTP },
1514 { "", HTTPD_MSG_NONE, HTTPD_PROTO_NONE }
1518 static void httpd_ClientRecv( httpd_client_t *cl )
1522 /* ignore leading whites */
1523 if( ( cl->query.i_proto == HTTPD_PROTO_NONE ) &&
1524 ( cl->i_buffer == 0 ) )
1528 i_len = httpd_NetRecv( cl, &c, 1 );
1530 if( ( i_len > 0 ) && ( strchr( "\r\n\t ", c ) == NULL ) )
1532 cl->p_buffer[0] = c;
1537 if( cl->query.i_proto == HTTPD_PROTO_NONE )
1539 /* enough to see if it's Interleaved RTP over RTSP or RTSP/HTTP */
1540 i_len = httpd_NetRecv( cl, &cl->p_buffer[cl->i_buffer],
1544 cl->i_buffer += i_len;
1547 if( ( cl->i_buffer >= 4 ) && ( cl->p_buffer[0] == '$' ) )
1549 /* Interleaved RTP over RTSP */
1550 cl->query.i_proto = HTTPD_PROTO_RTSP;
1551 cl->query.i_type = HTTPD_MSG_CHANNEL;
1552 cl->query.i_channel = cl->p_buffer[1];
1553 cl->query.i_body = (cl->p_buffer[2] << 8)|cl->p_buffer[3];
1554 cl->query.p_body = malloc( cl->query.i_body );
1556 memcpy( cl->query.p_body, cl->p_buffer + 4, cl->i_buffer );
1559 /* The smallest legal request is 7 bytes ("GET /\r\n"),
1560 * this is the maximum we can ask at this point. */
1561 if( cl->i_buffer >= 7 )
1563 if( !memcmp( cl->p_buffer, "HTTP/1.", 7 ) )
1565 cl->query.i_proto = HTTPD_PROTO_HTTP;
1566 cl->query.i_type = HTTPD_MSG_ANSWER;
1568 else if( !memcmp( cl->p_buffer, "RTSP/1.", 7 ) )
1570 cl->query.i_proto = HTTPD_PROTO_RTSP;
1571 cl->query.i_type = HTTPD_MSG_ANSWER;
1575 /* We need the full request line to determine the protocol. */
1576 cl->query.i_proto = HTTPD_PROTO_HTTP0;
1577 cl->query.i_type = HTTPD_MSG_NONE;
1581 else if( cl->query.i_body > 0 )
1583 /* we are reading the body of a request or a channel */
1584 i_len = httpd_NetRecv( cl, &cl->query.p_body[cl->i_buffer],
1585 cl->query.i_body - cl->i_buffer );
1588 cl->i_buffer += i_len;
1590 if( cl->i_buffer >= cl->query.i_body )
1592 cl->i_state = HTTPD_CLIENT_RECEIVE_DONE;
1597 /* we are reading a header -> char by char */
1600 if( cl->i_buffer == cl->i_buffer_size )
1602 uint8_t *newbuf = realloc( cl->p_buffer, cl->i_buffer_size + 1024 );
1603 if( newbuf == NULL )
1609 cl->p_buffer = newbuf;
1610 cl->i_buffer_size += 1024;
1613 i_len = httpd_NetRecv (cl, &cl->p_buffer[cl->i_buffer], 1 );
1620 if( ( cl->query.i_proto == HTTPD_PROTO_HTTP0 )
1621 && ( cl->p_buffer[cl->i_buffer - 1] == '\n' ) )
1623 /* Request line is now complete */
1624 const char *p = memchr( cl->p_buffer, ' ', cl->i_buffer );
1627 assert( cl->query.i_type == HTTPD_MSG_NONE );
1629 if( p == NULL ) /* no URI: evil guy */
1631 i_len = 0; /* drop connection */
1636 p++; /* skips extra spaces */
1639 p = memchr( p, ' ', ((char *)cl->p_buffer) + cl->i_buffer - p );
1640 if( p == NULL ) /* no explicit protocol: HTTP/0.9 */
1642 i_len = 0; /* not supported currently -> drop */
1647 p++; /* skips extra spaces ever again */
1650 len = ((char *)cl->p_buffer) + cl->i_buffer - p;
1651 if( len < 7 ) /* foreign protocol */
1652 i_len = 0; /* I don't understand -> drop */
1654 if( memcmp( p, "HTTP/1.", 7 ) == 0 )
1656 cl->query.i_proto = HTTPD_PROTO_HTTP;
1657 cl->query.i_version = atoi( p + 7 );
1660 if( memcmp( p, "RTSP/1.", 7 ) == 0 )
1662 cl->query.i_proto = HTTPD_PROTO_RTSP;
1663 cl->query.i_version = atoi( p + 7 );
1666 if( memcmp( p, "HTTP/", 5 ) == 0 )
1668 const uint8_t sorry[] =
1669 "HTTP/1.1 505 Unknown HTTP version\r\n\r\n";
1670 httpd_NetSend( cl, sorry, sizeof( sorry ) - 1 );
1671 i_len = 0; /* drop */
1674 if( memcmp( p, "RTSP/", 5 ) == 0 )
1676 const uint8_t sorry[] =
1677 "RTSP/1.0 505 Unknown RTSP version\r\n\r\n";
1678 httpd_NetSend( cl, sorry, sizeof( sorry ) - 1 );
1679 i_len = 0; /* drop */
1681 else /* yet another foreign protocol */
1688 if( ( cl->i_buffer >= 2 && !memcmp( &cl->p_buffer[cl->i_buffer-2], "\n\n", 2 ) )||
1689 ( cl->i_buffer >= 4 && !memcmp( &cl->p_buffer[cl->i_buffer-4], "\r\n\r\n", 4 ) ) )
1693 /* we have finished the header so parse it and set i_body */
1694 cl->p_buffer[cl->i_buffer] = '\0';
1696 if( cl->query.i_type == HTTPD_MSG_ANSWER )
1699 * assume strlen( "HTTP/1.x" ) = 8
1701 cl->query.i_status =
1702 strtol( (char *)&cl->p_buffer[8],
1712 cl->query.i_type = HTTPD_MSG_NONE;
1714 /*fprintf( stderr, "received new request=%s\n", cl->p_buffer);*/
1716 for( i = 0; msg_type[i].name[0]; i++ )
1718 if( !strncmp( (char *)cl->p_buffer, msg_type[i].name,
1719 strlen( msg_type[i].name ) ) )
1721 p = (char *)&cl->p_buffer[strlen(msg_type[i].name) + 1 ];
1722 cl->query.i_type = msg_type[i].i_type;
1723 if( cl->query.i_proto != msg_type[i].i_proto )
1726 cl->query.i_proto = HTTPD_PROTO_NONE;
1727 cl->query.i_type = HTTPD_MSG_NONE;
1734 if( strstr( (char *)cl->p_buffer, "HTTP/1." ) )
1736 cl->query.i_proto = HTTPD_PROTO_HTTP;
1738 else if( strstr( (char *)cl->p_buffer, "RTSP/1." ) )
1740 cl->query.i_proto = HTTPD_PROTO_RTSP;
1752 p2 = strchr( p, ' ' );
1757 if( !strncasecmp( p, "rtsp:", 5 ) )
1759 /* for rtsp url, you have rtsp://localhost:port/path */
1761 while( *p == '/' ) p++;
1762 while( *p && *p != '/' ) p++;
1764 cl->query.psz_url = strdup( p );
1765 if( ( p3 = strchr( cl->query.psz_url, '?' ) ) )
1768 cl->query.psz_args = (uint8_t *)strdup( p3 );
1775 p = strchr( p, '\n' );
1779 while( *p == '\n' || *p == '\r' )
1783 while( p && *p != '\0' )
1786 char *eol = p = strchr( p, '\n' );
1789 while( eol && eol >= line && ( *eol == '\n' || *eol == '\r' ) )
1794 if( ( colon = strchr( line, ':' ) ) )
1800 while( *colon == ' ' )
1804 name = strdup( line );
1805 value = strdup( colon );
1807 TAB_APPEND( cl->query.i_name, cl->query.name, name );
1808 TAB_APPEND( cl->query.i_value,cl->query.value,value);
1810 if( !strcasecmp( name, "Content-Length" ) )
1812 cl->query.i_body = atol( value );
1819 while( *p == '\n' || *p == '\r' )
1826 if( cl->query.i_body > 0 )
1828 /* TODO Mhh, handle the case client will only send a
1829 * request and close the connection
1830 * to mark and of body (probably only RTSP) */
1831 cl->query.p_body = malloc( cl->query.i_body );
1836 cl->i_state = HTTPD_CLIENT_RECEIVE_DONE;
1842 /* check if the client is to be set to dead */
1843 #if defined( WIN32 ) || defined( UNDER_CE )
1844 if( ( i_len < 0 && WSAGetLastError() != WSAEWOULDBLOCK ) || ( i_len == 0 ) )
1846 if( ( i_len < 0 && errno != EAGAIN && errno != EINTR ) || ( i_len == 0 ) )
1849 if( cl->query.i_proto != HTTPD_PROTO_NONE && cl->query.i_type != HTTPD_MSG_NONE )
1851 /* connection closed -> end of data */
1852 if( cl->query.i_body > 0 )
1854 cl->query.i_body = cl->i_buffer;
1856 cl->i_state = HTTPD_CLIENT_RECEIVE_DONE;
1860 cl->i_state = HTTPD_CLIENT_DEAD;
1864 /* XXX: for QT I have to disable timeout. Try to find why */
1865 if( cl->query.i_proto == HTTPD_PROTO_RTSP )
1866 cl->i_activity_timeout = 0;
1868 #if 0 /* Debugging only */
1869 if( cl->i_state == HTTPD_CLIENT_RECEIVE_DONE )
1873 fprintf( stderr, "received new request\n" );
1874 fprintf( stderr, " - proto=%s\n",
1875 cl->query.i_proto == HTTPD_PROTO_HTTP ? "HTTP" : "RTSP" );
1876 fprintf( stderr, " - version=%d\n", cl->query.i_version );
1877 fprintf( stderr, " - msg=%d\n", cl->query.i_type );
1878 if( cl->query.i_type == HTTPD_MSG_ANSWER )
1880 fprintf( stderr, " - answer=%d '%s'\n", cl->query.i_status,
1881 cl->query.psz_status );
1883 else if( cl->query.i_type != HTTPD_MSG_NONE )
1885 fprintf( stderr, " - url=%s\n", cl->query.psz_url );
1887 for( i = 0; i < cl->query.i_name; i++ )
1889 fprintf( stderr, " - option name='%s' value='%s'\n",
1890 cl->query.name[i], cl->query.value[i] );
1896 static void httpd_ClientSend( httpd_client_t *cl )
1901 if( cl->i_buffer < 0 )
1903 /* We need to create the header */
1906 const char *psz_status = httpd_ReasonFromCode( cl->answer.i_status );
1908 i_size = strlen( "HTTP/1.") + 10 + 10 + strlen( psz_status ) + 5;
1909 for( i = 0; i < cl->answer.i_name; i++ )
1911 i_size += strlen( cl->answer.name[i] ) + 2 +
1912 strlen( cl->answer.value[i] ) + 2;
1915 if( cl->i_buffer_size < i_size )
1917 cl->i_buffer_size = i_size;
1918 free( cl->p_buffer );
1919 cl->p_buffer = malloc( i_size );
1921 p = (char *)cl->p_buffer;
1923 p += sprintf( p, "%s.%u %d %s\r\n",
1924 cl->answer.i_proto == HTTPD_PROTO_HTTP ? "HTTP/1" : "RTSP/1",
1925 cl->answer.i_version,
1926 cl->answer.i_status, psz_status );
1927 for( i = 0; i < cl->answer.i_name; i++ )
1929 p += sprintf( p, "%s: %s\r\n", cl->answer.name[i],
1930 cl->answer.value[i] );
1932 p += sprintf( p, "\r\n" );
1935 cl->i_buffer_size = (uint8_t*)p - cl->p_buffer;
1937 /*fprintf( stderr, "sending answer\n" );
1938 fprintf( stderr, "%s", cl->p_buffer );*/
1941 i_len = httpd_NetSend( cl, &cl->p_buffer[cl->i_buffer],
1942 cl->i_buffer_size - cl->i_buffer );
1945 cl->i_buffer += i_len;
1947 if( cl->i_buffer >= cl->i_buffer_size )
1949 if( cl->answer.i_body == 0 && cl->answer.i_body_offset > 0 &&
1950 !cl->b_read_waiting )
1952 /* catch more body data */
1953 int i_msg = cl->query.i_type;
1954 int64_t i_offset = cl->answer.i_body_offset;
1956 httpd_MsgClean( &cl->answer );
1957 cl->answer.i_body_offset = i_offset;
1959 cl->url->catch[i_msg].cb( cl->url->catch[i_msg].p_sys, cl,
1960 &cl->answer, &cl->query );
1963 if( cl->answer.i_body > 0 )
1965 /* send the body data */
1966 free( cl->p_buffer );
1967 cl->p_buffer = cl->answer.p_body;
1968 cl->i_buffer_size = cl->answer.i_body;
1971 cl->answer.i_body = 0;
1972 cl->answer.p_body = NULL;
1977 cl->i_state = HTTPD_CLIENT_SEND_DONE;
1983 #if defined( WIN32 ) || defined( UNDER_CE )
1984 if( ( i_len < 0 && WSAGetLastError() != WSAEWOULDBLOCK ) || ( i_len == 0 ) )
1986 if( ( i_len < 0 && errno != EAGAIN && errno != EINTR ) || ( i_len == 0 ) )
1990 cl->i_state = HTTPD_CLIENT_DEAD;
1995 static void httpd_ClientTlsHsIn( httpd_client_t *cl )
1997 switch( tls_SessionContinueHandshake( cl->p_tls ) )
2000 cl->i_state = HTTPD_CLIENT_RECEIVING;
2004 cl->i_state = HTTPD_CLIENT_DEAD;
2009 cl->i_state = HTTPD_CLIENT_TLS_HS_OUT;
2013 static void httpd_ClientTlsHsOut( httpd_client_t *cl )
2015 switch( tls_SessionContinueHandshake( cl->p_tls ) )
2018 cl->i_state = HTTPD_CLIENT_RECEIVING;
2022 cl->i_state = HTTPD_CLIENT_DEAD;
2027 cl->i_state = HTTPD_CLIENT_TLS_HS_IN;
2032 static void httpd_HostThread( httpd_host_t *host )
2034 tls_session_t *p_tls = NULL;
2035 counter_t *p_total_counter = stats_CounterCreate( host, VLC_VAR_INTEGER, STATS_COUNTER );
2036 counter_t *p_active_counter = stats_CounterCreate( host, VLC_VAR_INTEGER, STATS_COUNTER );
2040 vlc_object_lock( host );
2041 evfd = vlc_object_waitpipe( VLC_OBJECT( host ) );
2042 b_die = !vlc_object_alive( host );
2043 vlc_object_unlock( host );
2047 if( host->i_url <= 0 )
2049 /* 0.2s (FIXME: use a condition variable) */
2054 /* prepare a new TLS session */
2055 if( ( p_tls == NULL ) && ( host->p_tls != NULL ) )
2056 p_tls = tls_ServerSessionPrepare( host->p_tls );
2058 struct pollfd ufd[host->nfd + host->i_client + 1];
2060 for( nfd = 0; nfd < host->nfd; nfd++ )
2062 ufd[nfd].fd = host->fds[nfd];
2063 ufd[nfd].events = POLLIN;
2064 ufd[nfd].revents = 0;
2067 /* add all socket that should be read/write and close dead connection */
2068 vlc_mutex_lock( &host->lock );
2069 mtime_t now = mdate();
2070 vlc_bool_t b_low_delay = VLC_FALSE;
2072 for(int i_client = 0; i_client < host->i_client; i_client++ )
2074 httpd_client_t *cl = host->client[i_client];
2075 if( cl->i_ref < 0 || ( cl->i_ref == 0 &&
2076 ( cl->i_state == HTTPD_CLIENT_DEAD ||
2077 ( cl->i_activity_timeout > 0 &&
2078 cl->i_activity_date+cl->i_activity_timeout < now) ) ) )
2080 httpd_ClientClean( cl );
2081 stats_UpdateInteger( host, p_active_counter, -1, NULL );
2082 TAB_REMOVE( host->i_client, host->client, cl );
2088 struct pollfd *pufd = ufd + nfd;
2089 assert (pufd < ufd + (sizeof (ufd) / sizeof (ufd[0])));
2092 pufd->events = pufd->revents = 0;
2094 if( ( cl->i_state == HTTPD_CLIENT_RECEIVING )
2095 || ( cl->i_state == HTTPD_CLIENT_TLS_HS_IN ) )
2097 pufd->events = POLLIN;
2099 else if( ( cl->i_state == HTTPD_CLIENT_SENDING )
2100 || ( cl->i_state == HTTPD_CLIENT_TLS_HS_OUT ) )
2102 pufd->events = POLLOUT;
2104 else if( cl->i_state == HTTPD_CLIENT_RECEIVE_DONE )
2106 httpd_message_t *answer = &cl->answer;
2107 httpd_message_t *query = &cl->query;
2108 int i_msg = query->i_type;
2110 httpd_MsgInit( answer );
2112 /* Handle what we received */
2113 if( (cl->i_mode != HTTPD_CLIENT_BIDIR) &&
2114 (i_msg == HTTPD_MSG_ANSWER || i_msg == HTTPD_MSG_CHANNEL) )
2116 /* we can only receive request from client when not
2119 cl->i_state = HTTPD_CLIENT_DEAD;
2121 else if( i_msg == HTTPD_MSG_ANSWER )
2123 /* We are in BIDIR mode, trigger the callback and then
2124 * check for new data */
2125 if( cl->url && cl->url->catch[i_msg].cb )
2127 cl->url->catch[i_msg].cb( cl->url->catch[i_msg].p_sys,
2130 cl->i_state = HTTPD_CLIENT_WAITING;
2132 else if( i_msg == HTTPD_MSG_CHANNEL )
2134 /* We are in BIDIR mode, trigger the callback and then
2135 * check for new data */
2136 if( cl->url && cl->url->catch[i_msg].cb )
2138 cl->url->catch[i_msg].cb( cl->url->catch[i_msg].p_sys,
2141 cl->i_state = HTTPD_CLIENT_WAITING;
2143 else if( i_msg == HTTPD_MSG_OPTIONS )
2146 answer->i_type = HTTPD_MSG_ANSWER;
2147 answer->i_proto = query->i_proto;
2148 answer->i_status = 200;
2150 answer->p_body = NULL;
2152 httpd_MsgAdd( answer, "Server", "%s", PACKAGE_STRING );
2153 httpd_MsgAdd( answer, "Content-Length", "0" );
2155 switch( query->i_proto )
2157 case HTTPD_PROTO_HTTP:
2158 answer->i_version = 1;
2159 httpd_MsgAdd( answer, "Allow",
2160 "GET,HEAD,POST,OPTIONS" );
2163 case HTTPD_PROTO_RTSP:
2166 answer->i_version = 0;
2168 p = httpd_MsgGet( query, "Cseq" );
2170 httpd_MsgAdd( answer, "Cseq", "%s", p );
2171 p = httpd_MsgGet( query, "Timestamp" );
2173 httpd_MsgAdd( answer, "Timestamp", "%s", p );
2175 p = httpd_MsgGet( query, "Require" );
2178 answer->i_status = 551;
2179 httpd_MsgAdd( query, "Unsupported", "%s", p );
2182 httpd_MsgAdd( answer, "Public", "DESCRIBE,SETUP,"
2183 "TEARDOWN,PLAY,PAUSE,GET_PARAMETER" );
2188 cl->i_buffer = -1; /* Force the creation of the answer in
2189 * httpd_ClientSend */
2190 cl->i_state = HTTPD_CLIENT_SENDING;
2192 else if( i_msg == HTTPD_MSG_NONE )
2194 if( query->i_proto == HTTPD_PROTO_NONE )
2197 cl->i_state = HTTPD_CLIENT_DEAD;
2204 answer->i_proto = query->i_proto ;
2205 answer->i_type = HTTPD_MSG_ANSWER;
2206 answer->i_version= 0;
2207 answer->i_status = 501;
2209 answer->i_body = httpd_HtmlError (&p, 501, NULL);
2210 answer->p_body = (uint8_t *)p;
2211 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
2213 cl->i_buffer = -1; /* Force the creation of the answer in httpd_ClientSend */
2214 cl->i_state = HTTPD_CLIENT_SENDING;
2219 vlc_bool_t b_auth_failed = VLC_FALSE;
2220 vlc_bool_t b_hosts_failed = VLC_FALSE;
2222 /* Search the url and trigger callbacks */
2223 for(int i = 0; i < host->i_url; i++ )
2225 httpd_url_t *url = host->url[i];
2227 if( !strcmp( url->psz_url, query->psz_url ) )
2229 if( url->catch[i_msg].cb )
2231 if( answer && ( url->p_acl != NULL ) )
2233 char ip[NI_MAXNUMERICHOST];
2235 if( ( httpd_ClientIP( cl, ip ) == NULL )
2236 || ACL_Check( url->p_acl, ip ) )
2238 b_hosts_failed = VLC_TRUE;
2243 if( answer && ( *url->psz_user || *url->psz_password ) )
2245 /* create the headers */
2246 const char *b64 = httpd_MsgGet( query, "Authorization" ); /* BASIC id */
2247 char *user = NULL, *pass = NULL;
2250 && !strncasecmp( b64, "BASIC", 5 ) )
2253 while( *b64 == ' ' )
2256 user = vlc_b64_decode( b64 );
2259 pass = strchr (user, ':');
2265 if ((user == NULL) || (pass == NULL)
2266 || strcmp (user, url->psz_user)
2267 || strcmp (pass, url->psz_password))
2269 httpd_MsgAdd( answer,
2271 "Basic realm=\"%s\"",
2273 /* We fail for all url */
2274 b_auth_failed = VLC_TRUE;
2282 if( !url->catch[i_msg].cb( url->catch[i_msg].p_sys, cl, answer, query ) )
2284 if( answer->i_proto == HTTPD_PROTO_NONE )
2286 /* Raw answer from a CGI */
2287 cl->i_buffer = cl->i_buffer_size;
2292 /* only one url can answer */
2294 if( cl->url == NULL )
2307 answer->i_proto = query->i_proto;
2308 answer->i_type = HTTPD_MSG_ANSWER;
2309 answer->i_version= 0;
2311 if( b_hosts_failed )
2313 answer->i_status = 403;
2315 else if( b_auth_failed )
2317 answer->i_status = 401;
2321 /* no url registered */
2322 answer->i_status = 404;
2325 answer->i_body = httpd_HtmlError (&p,
2328 answer->p_body = (uint8_t *)p;
2330 cl->i_buffer = -1; /* Force the creation of the answer in httpd_ClientSend */
2331 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
2332 httpd_MsgAdd( answer, "Content-Type", "%s", "text/html" );
2335 cl->i_state = HTTPD_CLIENT_SENDING;
2338 else if( cl->i_state == HTTPD_CLIENT_SEND_DONE )
2340 if( cl->i_mode == HTTPD_CLIENT_FILE || cl->answer.i_body_offset == 0 )
2342 const char *psz_connection = httpd_MsgGet( &cl->answer, "Connection" );
2343 const char *psz_query = httpd_MsgGet( &cl->query, "Connection" );
2344 vlc_bool_t b_connection = VLC_FALSE;
2345 vlc_bool_t b_keepalive = VLC_FALSE;
2346 vlc_bool_t b_query = VLC_FALSE;
2349 if( psz_connection )
2351 b_connection = ( strcasecmp( psz_connection, "Close" ) == 0 );
2352 b_keepalive = ( strcasecmp( psz_connection, "Keep-Alive" ) == 0 );
2357 b_query = ( strcasecmp( psz_query, "Close" ) == 0 );
2360 if( ( ( cl->query.i_proto == HTTPD_PROTO_HTTP ) &&
2361 ( ( cl->answer.i_version == 0 && b_keepalive ) ||
2362 ( cl->answer.i_version == 1 && !b_connection ) ) ) ||
2363 ( ( cl->query.i_proto == HTTPD_PROTO_RTSP ) &&
2364 !b_query && !b_connection ) )
2366 httpd_MsgClean( &cl->query );
2367 httpd_MsgInit( &cl->query );
2370 cl->i_buffer_size = 1000;
2371 free( cl->p_buffer );
2372 cl->p_buffer = malloc( cl->i_buffer_size );
2373 cl->i_state = HTTPD_CLIENT_RECEIVING;
2377 cl->i_state = HTTPD_CLIENT_DEAD;
2379 httpd_MsgClean( &cl->answer );
2381 else if( cl->b_read_waiting )
2383 /* we have a message waiting for us to read it */
2384 httpd_MsgClean( &cl->answer );
2385 httpd_MsgClean( &cl->query );
2388 cl->i_buffer_size = 1000;
2389 free( cl->p_buffer );
2390 cl->p_buffer = malloc( cl->i_buffer_size );
2391 cl->i_state = HTTPD_CLIENT_RECEIVING;
2392 cl->b_read_waiting = VLC_FALSE;
2396 int64_t i_offset = cl->answer.i_body_offset;
2397 httpd_MsgClean( &cl->answer );
2399 cl->answer.i_body_offset = i_offset;
2400 free( cl->p_buffer );
2401 cl->p_buffer = NULL;
2403 cl->i_buffer_size = 0;
2405 cl->i_state = HTTPD_CLIENT_WAITING;
2408 else if( cl->i_state == HTTPD_CLIENT_WAITING )
2410 int64_t i_offset = cl->answer.i_body_offset;
2411 int i_msg = cl->query.i_type;
2413 httpd_MsgInit( &cl->answer );
2414 cl->answer.i_body_offset = i_offset;
2416 cl->url->catch[i_msg].cb( cl->url->catch[i_msg].p_sys, cl,
2417 &cl->answer, &cl->query );
2418 if( cl->answer.i_type != HTTPD_MSG_NONE )
2420 /* we have new data, so re-enter send mode */
2422 cl->p_buffer = cl->answer.p_body;
2423 cl->i_buffer_size = cl->answer.i_body;
2424 cl->answer.p_body = NULL;
2425 cl->answer.i_body = 0;
2426 cl->i_state = HTTPD_CLIENT_SENDING;
2430 /* Special for BIDIR mode we also check reading */
2431 if( cl->i_mode == HTTPD_CLIENT_BIDIR &&
2432 cl->i_state == HTTPD_CLIENT_SENDING )
2434 pufd->events |= POLLIN;
2437 if (pufd->events != 0)
2440 b_low_delay = VLC_TRUE;
2442 vlc_mutex_unlock( &host->lock );
2445 ufd[nfd].events = POLLIN;
2446 ufd[nfd].revents = 0;
2449 /* we will wait 20ms (not too big) if HTTPD_CLIENT_WAITING */
2450 switch( poll( ufd, nfd, b_low_delay ? 20 : -1) )
2455 /* Kernel on low memory or a bug: pace */
2456 msg_Err( host, "polling error: %m" );
2463 vlc_object_lock( host );
2464 if( ufd[nfd - 1].revents )
2465 b_die = vlc_object_wait( host );
2466 vlc_object_unlock( host );
2468 /* Handle client sockets */
2469 vlc_mutex_lock( &host->lock );
2471 for( int i_client = 0; i_client < host->i_client; i_client++ )
2473 httpd_client_t *cl = host->client[i_client];
2474 const struct pollfd *pufd = &ufd[host->nfd + i_client];
2476 assert( pufd < &ufd[sizeof(ufd) / sizeof(ufd[0])] );
2478 if( cl->fd != pufd->fd )
2479 continue; // we were not waiting for this client
2480 if( pufd->revents == 0 )
2481 continue; // no event received
2483 cl->i_activity_date = now;
2485 if( cl->i_state == HTTPD_CLIENT_RECEIVING )
2487 httpd_ClientRecv( cl );
2489 else if( cl->i_state == HTTPD_CLIENT_SENDING )
2491 httpd_ClientSend( cl );
2493 else if( cl->i_state == HTTPD_CLIENT_TLS_HS_IN )
2495 httpd_ClientTlsHsIn( cl );
2497 else if( cl->i_state == HTTPD_CLIENT_TLS_HS_OUT )
2499 httpd_ClientTlsHsOut( cl );
2502 if( cl->i_mode == HTTPD_CLIENT_BIDIR &&
2503 cl->i_state == HTTPD_CLIENT_SENDING &&
2504 (pufd->revents & POLLIN) )
2506 cl->b_read_waiting = VLC_TRUE;
2509 vlc_mutex_unlock( &host->lock );
2511 /* Handle server sockets (accept new connections) */
2512 for( nfd = 0; nfd < host->nfd; nfd++ )
2516 int fd = ufd[nfd].fd;
2518 assert (fd == host->fds[nfd]);
2520 if( ufd[nfd].revents == 0 )
2524 fd = accept (fd, NULL, NULL);
2528 net_SetupSocket (fd);
2531 switch( tls_ServerSessionHandshake( p_tls, fd ) )
2534 msg_Err( host, "Rejecting TLS connection" );
2540 case 1: /* missing input - most likely */
2541 i_state = HTTPD_CLIENT_TLS_HS_IN;
2544 case 2: /* missing output */
2545 i_state = HTTPD_CLIENT_TLS_HS_OUT;
2549 if( (p_tls == NULL) != (host->p_tls == NULL) )
2550 break; // wasted TLS session, cannot accept() anymore
2553 stats_UpdateInteger( host, p_total_counter, 1, NULL );
2554 stats_UpdateInteger( host, p_active_counter, 1, NULL );
2555 cl = httpd_ClientNew( fd, p_tls, now );
2557 vlc_mutex_lock( &host->lock );
2558 TAB_APPEND( host->i_client, host->client, cl );
2559 vlc_mutex_unlock( &host->lock );
2561 cl->i_state = i_state; // override state for TLS
2563 if (host->p_tls != NULL)
2564 break; // cannot accept further without new TLS session
2570 tls_ServerSessionClose( p_tls );
2571 if( p_total_counter )
2572 stats_CounterClean( p_total_counter );
2573 if( p_active_counter )
2574 stats_CounterClean( p_active_counter );
2577 #else /* ENABLE_HTTPD */
2579 /* We just define an empty wrapper */
2580 httpd_host_t *httpd_TLSHostNew( vlc_object_t *a, char *b, int c,
2583 msg_Err( a, "HTTP daemon support is disabled" );
2587 httpd_host_t *httpd_HostNew( vlc_object_t *a, char *b, int c )
2589 msg_Err( a, "HTTP daemon support is disabled" );
2593 void httpd_HostDelete( httpd_host_t *a )
2597 httpd_url_t *httpd_UrlNew( httpd_host_t *host, char *psz_url,
2598 char *psz_user, char *psz_password,
2599 const vlc_acl_t *p_acl )
2604 httpd_url_t *httpd_UrlNewUnique( httpd_host_t *host, char *psz_url,
2605 char *psz_user, char *psz_password,
2606 const vlc_acl_t *p_acl )
2611 int httpd_UrlCatch( httpd_url_t *a, int b, httpd_callback_t c,
2612 httpd_callback_sys_t *d )
2617 void httpd_UrlDelete( httpd_url_t *a )
2621 char* httpd_ClientIP( httpd_client_t *cl, char *psz_ip )
2626 char* httpd_ServerIP( httpd_client_t *cl, char *psz_ip )
2631 void httpd_ClientModeStream( httpd_client_t *a )
2635 void httpd_ClientModeBidir( httpd_client_t *a )
2639 void httpd_FileDelete( httpd_file_t *a )
2643 httpd_file_t *httpd_FileNew( httpd_host_t *a, char *b, char *c, char *d,
2644 char *e, httpd_file_callback_t f,
2645 httpd_file_sys_t *g )
2650 httpd_handler_t *httpd_HandlerNew( httpd_host_t *host, const char *psz_url,
2651 const char *psz_user,
2652 const char *psz_password,
2653 const vlc_acl_t *p_acl,
2654 httpd_handler_callback_t pf_fill,
2655 httpd_handler_sys_t *p_sys )
2660 void httpd_HandlerDelete( httpd_handler_t *handler )
2664 void httpd_RedirectDelete( httpd_redirect_t *a )
2668 httpd_redirect_t *httpd_RedirectNew( httpd_host_t *a,
2674 void httpd_StreamDelete( httpd_stream_t *a )
2678 int httpd_StreamHeader( httpd_stream_t *a, uint8_t *b, int c )
2683 int httpd_StreamSend ( httpd_stream_t *a, uint8_t *b, int c )
2688 httpd_stream_t *httpd_StreamNew( httpd_host_t *a, char *b, char *c,
2694 void httpd_MsgInit ( httpd_message_t *a )
2698 void httpd_MsgAdd ( httpd_message_t *a, const char *b, const char *c, ... )
2702 const char *httpd_MsgGet ( httpd_message_t *a, const char *b )
2707 void httpd_MsgClean( httpd_message_t *a )
2711 #endif /* ENABLE_HTTPD */