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"
56 #if defined( UNDER_CE )
58 #elif defined( WIN32 )
59 # include <winsock2.h>
61 # include <sys/socket.h>
65 /* We need HUGE buffer otherwise TCP throughput is very limited */
66 #define HTTPD_CL_BUFSIZE 1000000
68 #define HTTPD_CL_BUFSIZE 10000
71 static void httpd_ClientClean( httpd_client_t *cl );
82 /* each host run in his own thread */
92 /* address/port and socket for listening at connections */
100 /* all registered url (becarefull that 2 httpd_url_t could point at the same url)
101 * This will slow down the url research but make my live easier
102 * All url will have their cb trigger, but only the first one can answer
108 httpd_client_t **client;
129 httpd_callback_sys_t *p_sys;
130 } catch[HTTPD_MSG_MAX];
136 HTTPD_CLIENT_RECEIVING,
137 HTTPD_CLIENT_RECEIVE_DONE,
139 HTTPD_CLIENT_SENDING,
140 HTTPD_CLIENT_SEND_DONE,
142 HTTPD_CLIENT_WAITING,
146 HTTPD_CLIENT_TLS_HS_IN,
147 HTTPD_CLIENT_TLS_HS_OUT
153 HTTPD_CLIENT_FILE, /* default */
154 HTTPD_CLIENT_STREAM, /* regulary get data from cb */
155 HTTPD_CLIENT_BIDIR, /* check for reading and get data from cb */
158 struct httpd_client_t
168 int b_read_waiting; /* stop as soon as possible sending */
170 mtime_t i_activity_date;
171 mtime_t i_activity_timeout;
173 /* buffer for reading header */
179 httpd_message_t query; /* client -> httpd */
180 httpd_message_t answer; /* httpd -> client */
183 tls_session_t *p_tls;
187 /*****************************************************************************
189 *****************************************************************************/
192 const char psz_ext[8];
193 const char *psz_mime;
196 { ".htm", "text/html" },
197 { ".html", "text/html" },
198 { ".txt", "text/plain" },
199 { ".xml", "text/xml" },
200 { ".dtd", "text/dtd" },
202 { ".css", "text/css" },
205 { ".gif", "image/gif" },
206 { ".jpe", "image/jpeg" },
207 { ".jpg", "image/jpeg" },
208 { ".jpeg", "image/jpeg" },
209 { ".png", "image/png" },
210 /* same as modules/mux/mpjpeg.c here: */
211 { ".mpjpeg","multipart/x-mixed-replace; boundary=7b3cc56e5f51db803f790dad720ed50a" },
214 { ".avi", "video/avi" },
215 { ".asf", "video/x-ms-asf" },
216 { ".m1a", "audio/mpeg" },
217 { ".m2a", "audio/mpeg" },
218 { ".m1v", "video/mpeg" },
219 { ".m2v", "video/mpeg" },
220 { ".mp2", "audio/mpeg" },
221 { ".mp3", "audio/mpeg" },
222 { ".mpa", "audio/mpeg" },
223 { ".mpg", "video/mpeg" },
224 { ".mpeg", "video/mpeg" },
225 { ".mpe", "video/mpeg" },
226 { ".mov", "video/quicktime" },
227 { ".moov", "video/quicktime" },
228 { ".oga", "audio/ogg" },
229 { ".ogg", "application/ogg" },
230 { ".ogm", "application/ogg" },
231 { ".ogv", "video/ogg" },
232 { ".ogx", "application/ogg" },
233 { ".spx", "audio/ogg" },
234 { ".wav", "audio/wav" },
235 { ".wma", "audio/x-ms-wma" },
236 { ".wmv", "video/x-ms-wmv" },
243 static const char *httpd_MimeFromUrl( const char *psz_url )
248 psz_ext = strrchr( psz_url, '.' );
253 for( i = 0; http_mime[i].psz_ext[0] ; i++ )
255 if( !strcasecmp( http_mime[i].psz_ext, psz_ext ) )
257 return http_mime[i].psz_mime;
261 return "application/octet-stream";
268 const char psz_reason[36];
271 static const http_status_info http_reason[] =
273 /*{ 100, "Continue" },
274 { 101, "Switching Protocols" },*/
276 /*{ 201, "Created" },
278 { 203, "Non-authoritative information" },
279 { 204, "No content" },
280 { 205, "Reset content" },
281 { 206, "Partial content" },
282 { 250, "Low on storage space" },
283 { 300, "Multiple choices" },*/
284 { 301, "Moved permanently" },
285 /*{ 302, "Moved temporarily" },
286 { 303, "See other" },
287 { 304, "Not modified" },
288 { 305, "Use proxy" },
289 { 307, "Temporary redirect" },
290 { 400, "Bad request" },*/
291 { 401, "Unauthorized" },
292 /*{ 402, "Payment Required" },*/
293 { 403, "Forbidden" },
294 { 404, "Not found" },
295 { 405, "Method not allowed" },
296 /*{ 406, "Not acceptable" },
297 { 407, "Proxy authentication required" },
298 { 408, "Request time-out" },
301 { 411, "Length required" },
302 { 412, "Precondition failed" },
303 { 413, "Request entity too large" },
304 { 414, "Request-URI too large" },
305 { 415, "Unsupported media Type" },
306 { 416, "Requested range not satisfiable" },
307 { 417, "Expectation failed" },
308 { 451, "Parameter not understood" },
309 { 452, "Conference not found" },
310 { 453, "Not enough bandwidth" },*/
311 { 454, "Session not found" },
312 /*{ 455, "Method not valid in this State" },*/
313 { 456, "Header field not valid for resource" },
314 /*{ 457, "Invalid range" },
315 { 458, "Read-only parameter" },*/
316 { 459, "Aggregate operation not allowed" },
317 { 460, "Non-aggregate operation not allowed" },
318 { 461, "Unsupported transport" },
319 /*{ 462, "Destination unreachable" },*/
320 { 500, "Internal server error" },
321 { 501, "Not implemented" },
322 /*{ 502, "Bad gateway" },*/
323 { 503, "Service unavailable" },
324 /*{ 504, "Gateway time-out" },*/
325 { 505, "Protocol version not supported" },
326 { 551, "Option not supported" },
330 static const char psz_fallback_reason[5][16] =
331 { "Continue", "OK", "Found", "Client error", "Server error" };
333 static const char *httpd_ReasonFromCode( unsigned i_code )
335 const http_status_info *p;
337 assert( ( i_code >= 100 ) && ( i_code <= 599 ) );
339 for (p = http_reason; i_code > p->i_code; p++);
341 if( p->i_code == i_code )
342 return p->psz_reason;
344 return psz_fallback_reason[(i_code / 100) - 1];
348 static size_t httpd_HtmlError (char **body, int code, const char *url)
350 const char *errname = httpd_ReasonFromCode (code);
351 assert (errname != NULL);
353 int res = asprintf (body,
354 "<?xml version=\"1.0\" encoding=\"ascii\" ?>\n"
355 "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\""
356 " \"http://www.w3.org/TR/xhtml10/DTD/xhtml10strict.dtd\">\n"
357 "<html lang=\"en\">\n"
359 "<title>%s</title>\n"
362 "<h1>%d %s%s%s%s</h1>\n"
364 "<a href=\"http://www.videolan.org\">VideoLAN</a>\n"
366 "</html>\n", errname, code, errname,
367 (url ? " (" : ""), (url ?: ""), (url ? ")" : ""));
379 /*****************************************************************************
380 * High Level Functions: httpd_file_t
381 *****************************************************************************/
389 httpd_file_callback_t pf_fill;
390 httpd_file_sys_t *p_sys;
395 httpd_FileCallBack( httpd_callback_sys_t *p_sys, httpd_client_t *cl,
396 httpd_message_t *answer, const httpd_message_t *query )
398 httpd_file_t *file = (httpd_file_t*)p_sys;
399 uint8_t **pp_body, *p_body;
400 const char *psz_connection;
401 int *pi_body, i_body;
403 if( answer == NULL || query == NULL )
407 answer->i_proto = HTTPD_PROTO_HTTP;
408 answer->i_version= 1;
409 answer->i_type = HTTPD_MSG_ANSWER;
411 answer->i_status = 200;
413 httpd_MsgAdd( answer, "Content-type", "%s", file->psz_mime );
414 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
416 if( query->i_type != HTTPD_MSG_HEAD )
418 pp_body = &answer->p_body;
419 pi_body = &answer->i_body;
423 /* The file still needs to be executed. */
430 if( query->i_type == HTTPD_MSG_POST )
432 /* msg_Warn not supported */
435 uint8_t *psz_args = query->psz_args;
436 file->pf_fill( file->p_sys, file, psz_args, pp_body, pi_body );
438 if( query->i_type == HTTPD_MSG_HEAD && p_body != NULL )
443 /* We respect client request */
444 psz_connection = httpd_MsgGet( &cl->query, "Connection" );
445 if( psz_connection != NULL )
447 httpd_MsgAdd( answer, "Connection", "%s", psz_connection );
450 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
455 httpd_file_t *httpd_FileNew( httpd_host_t *host,
456 const char *psz_url, const char *psz_mime,
457 const char *psz_user, const char *psz_password,
458 const vlc_acl_t *p_acl, httpd_file_callback_t pf_fill,
459 httpd_file_sys_t *p_sys )
461 httpd_file_t *file = malloc( sizeof( httpd_file_t ) );
463 if( ( file->url = httpd_UrlNewUnique( host, psz_url, psz_user,
464 psz_password, p_acl )
471 file->psz_url = strdup( psz_url );
472 if( psz_mime && *psz_mime )
474 file->psz_mime = strdup( psz_mime );
478 file->psz_mime = strdup( httpd_MimeFromUrl( psz_url ) );
481 file->pf_fill = pf_fill;
484 httpd_UrlCatch( file->url, HTTPD_MSG_HEAD, httpd_FileCallBack,
485 (httpd_callback_sys_t*)file );
486 httpd_UrlCatch( file->url, HTTPD_MSG_GET, httpd_FileCallBack,
487 (httpd_callback_sys_t*)file );
488 httpd_UrlCatch( file->url, HTTPD_MSG_POST, httpd_FileCallBack,
489 (httpd_callback_sys_t*)file );
494 httpd_file_sys_t *httpd_FileDelete( httpd_file_t *file )
496 httpd_file_sys_t *p_sys = file->p_sys;
498 httpd_UrlDelete( file->url );
500 free( file->psz_url );
501 free( file->psz_mime );
508 /*****************************************************************************
509 * High Level Functions: httpd_handler_t (for CGIs)
510 *****************************************************************************/
511 struct httpd_handler_t
515 httpd_handler_callback_t pf_fill;
516 httpd_handler_sys_t *p_sys;
521 httpd_HandlerCallBack( httpd_callback_sys_t *p_sys, httpd_client_t *cl,
522 httpd_message_t *answer, const httpd_message_t *query )
524 httpd_handler_t *handler = (httpd_handler_t*)p_sys;
525 char psz_remote_addr[NI_MAXNUMERICHOST];
527 if( answer == NULL || query == NULL )
531 answer->i_proto = HTTPD_PROTO_NONE;
532 answer->i_type = HTTPD_MSG_ANSWER;
534 /* We do it ourselves, thanks */
535 answer->i_status = 0;
537 if( httpd_ClientIP( cl, psz_remote_addr ) == NULL )
538 *psz_remote_addr = '\0';
540 uint8_t *psz_args = query->psz_args;
541 handler->pf_fill( handler->p_sys, handler, query->psz_url, psz_args,
542 query->i_type, query->p_body, query->i_body,
543 psz_remote_addr, NULL,
544 &answer->p_body, &answer->i_body );
546 if( query->i_type == HTTPD_MSG_HEAD )
548 char *p = (char *)answer->p_body;
550 /* Looks for end of header (i.e. one empty line) */
551 while ( (p = strchr( p, '\r' )) != NULL )
553 if( p[1] && p[1] == '\n' && p[2] && p[2] == '\r'
554 && p[3] && p[3] == '\n' )
563 answer->i_body = strlen((char*)answer->p_body) + 1;
564 answer->p_body = realloc( answer->p_body, answer->i_body );
568 if( strncmp( (char *)answer->p_body, "HTTP/1.", 7 ) )
570 int i_status, i_headers;
571 char *psz_headers, *psz_new;
572 const char *psz_status;
574 if( !strncmp( (char *)answer->p_body, "Status: ", 8 ) )
577 i_status = strtol( (char *)&answer->p_body[8], &psz_headers, 0 );
578 if( *psz_headers ) psz_headers++;
579 if( *psz_headers ) psz_headers++;
580 i_headers = answer->i_body - (psz_headers - (char *)answer->p_body);
585 psz_headers = (char *)answer->p_body;
586 i_headers = answer->i_body;
589 psz_status = httpd_ReasonFromCode( i_status );
590 answer->i_body = sizeof("HTTP/1.0 xxx \r\n")
591 + strlen(psz_status) + i_headers - 1;
592 psz_new = (char *)malloc( answer->i_body + 1);
593 sprintf( psz_new, "HTTP/1.0 %03d %s\r\n", i_status, psz_status );
594 memcpy( &psz_new[strlen(psz_new)], psz_headers, i_headers );
595 free( answer->p_body );
596 answer->p_body = (uint8_t *)psz_new;
602 httpd_handler_t *httpd_HandlerNew( httpd_host_t *host, const char *psz_url,
603 const char *psz_user,
604 const char *psz_password,
605 const vlc_acl_t *p_acl,
606 httpd_handler_callback_t pf_fill,
607 httpd_handler_sys_t *p_sys )
609 httpd_handler_t *handler = malloc( sizeof( httpd_handler_t ) );
611 if( ( handler->url = httpd_UrlNewUnique( host, psz_url, psz_user,
612 psz_password, p_acl )
619 handler->pf_fill = pf_fill;
620 handler->p_sys = p_sys;
622 httpd_UrlCatch( handler->url, HTTPD_MSG_HEAD, httpd_HandlerCallBack,
623 (httpd_callback_sys_t*)handler );
624 httpd_UrlCatch( handler->url, HTTPD_MSG_GET, httpd_HandlerCallBack,
625 (httpd_callback_sys_t*)handler );
626 httpd_UrlCatch( handler->url, HTTPD_MSG_POST, httpd_HandlerCallBack,
627 (httpd_callback_sys_t*)handler );
632 httpd_handler_sys_t *httpd_HandlerDelete( httpd_handler_t *handler )
634 httpd_handler_sys_t *p_sys = handler->p_sys;
635 httpd_UrlDelete( handler->url );
640 /*****************************************************************************
641 * High Level Functions: httpd_redirect_t
642 *****************************************************************************/
643 struct httpd_redirect_t
649 static int httpd_RedirectCallBack( httpd_callback_sys_t *p_sys,
650 httpd_client_t *cl, httpd_message_t *answer,
651 const httpd_message_t *query )
653 httpd_redirect_t *rdir = (httpd_redirect_t*)p_sys;
657 if( answer == NULL || query == NULL )
661 answer->i_proto = HTTPD_PROTO_HTTP;
662 answer->i_version= 1;
663 answer->i_type = HTTPD_MSG_ANSWER;
664 answer->i_status = 301;
666 answer->i_body = httpd_HtmlError (&p_body, 301, rdir->psz_dst);
667 answer->p_body = (unsigned char *)p_body;
669 /* XXX check if it's ok or we need to set an absolute url */
670 httpd_MsgAdd( answer, "Location", "%s", rdir->psz_dst );
672 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
677 httpd_redirect_t *httpd_RedirectNew( httpd_host_t *host, const char *psz_url_dst,
678 const char *psz_url_src )
680 httpd_redirect_t *rdir = malloc( sizeof( httpd_redirect_t ) );
682 if( !( rdir->url = httpd_UrlNewUnique( host, psz_url_src, NULL, NULL, NULL ) ) )
687 rdir->psz_dst = strdup( psz_url_dst );
689 /* Redirect apply for all HTTP request and RTSP DESCRIBE resquest */
690 httpd_UrlCatch( rdir->url, HTTPD_MSG_HEAD, httpd_RedirectCallBack,
691 (httpd_callback_sys_t*)rdir );
692 httpd_UrlCatch( rdir->url, HTTPD_MSG_GET, httpd_RedirectCallBack,
693 (httpd_callback_sys_t*)rdir );
694 httpd_UrlCatch( rdir->url, HTTPD_MSG_POST, httpd_RedirectCallBack,
695 (httpd_callback_sys_t*)rdir );
696 httpd_UrlCatch( rdir->url, HTTPD_MSG_DESCRIBE, httpd_RedirectCallBack,
697 (httpd_callback_sys_t*)rdir );
701 void httpd_RedirectDelete( httpd_redirect_t *rdir )
703 httpd_UrlDelete( rdir->url );
704 free( rdir->psz_dst );
708 /*****************************************************************************
709 * High Level Funtions: httpd_stream_t
710 *****************************************************************************/
711 struct httpd_stream_t
718 /* Header to send as first packet */
722 /* circular buffer */
723 int i_buffer_size; /* buffer size, can't be reallocated smaller */
724 uint8_t *p_buffer; /* buffer */
725 int64_t i_buffer_pos; /* absolute position from begining */
726 int64_t i_buffer_last_pos; /* a new connection will start with that */
729 static int httpd_StreamCallBack( httpd_callback_sys_t *p_sys,
730 httpd_client_t *cl, httpd_message_t *answer,
731 const httpd_message_t *query )
733 httpd_stream_t *stream = (httpd_stream_t*)p_sys;
735 if( answer == NULL || query == NULL || cl == NULL )
740 if( answer->i_body_offset > 0 )
746 fprintf( stderr, "httpd_StreamCallBack i_body_offset=%lld\n",
747 answer->i_body_offset );
750 if( answer->i_body_offset >= stream->i_buffer_pos )
752 /* fprintf( stderr, "httpd_StreamCallBack: no data\n" ); */
753 return VLC_EGENERIC; /* wait, no data available */
755 if( answer->i_body_offset + stream->i_buffer_size <
756 stream->i_buffer_pos )
758 /* this client isn't fast enough */
760 fprintf( stderr, "fixing i_body_offset (old=%lld new=%lld)\n",
761 answer->i_body_offset, stream->i_buffer_last_pos );
763 answer->i_body_offset = stream->i_buffer_last_pos;
766 i_pos = answer->i_body_offset % stream->i_buffer_size;
767 i_write = stream->i_buffer_pos - answer->i_body_offset;
768 if( i_write > HTTPD_CL_BUFSIZE )
770 i_write = HTTPD_CL_BUFSIZE;
772 else if( i_write <= 0 )
774 return VLC_EGENERIC; /* wait, no data available */
777 /* Don't go past the end of the circular buffer */
778 i_write = __MIN( i_write, stream->i_buffer_size - i_pos );
780 /* using HTTPD_MSG_ANSWER -> data available */
781 answer->i_proto = HTTPD_PROTO_HTTP;
782 answer->i_version= 0;
783 answer->i_type = HTTPD_MSG_ANSWER;
785 answer->i_body = i_write;
786 answer->p_body = malloc( i_write );
787 memcpy( answer->p_body, &stream->p_buffer[i_pos], i_write );
789 answer->i_body_offset += i_write;
795 answer->i_proto = HTTPD_PROTO_HTTP;
796 answer->i_version= 0;
797 answer->i_type = HTTPD_MSG_ANSWER;
799 answer->i_status = 200;
801 if( query->i_type != HTTPD_MSG_HEAD )
803 httpd_ClientModeStream( cl );
804 vlc_mutex_lock( &stream->lock );
805 /* Send the header */
806 if( stream->i_header > 0 )
808 answer->i_body = stream->i_header;
809 answer->p_body = malloc( stream->i_header );
810 memcpy( answer->p_body, stream->p_header, stream->i_header );
812 answer->i_body_offset = stream->i_buffer_last_pos;
813 vlc_mutex_unlock( &stream->lock );
817 httpd_MsgAdd( answer, "Content-Length", "%d", 0 );
818 answer->i_body_offset = 0;
821 if( !strcmp( stream->psz_mime, "video/x-ms-asf-stream" ) )
823 bool b_xplaystream = false;
826 httpd_MsgAdd( answer, "Content-type", "%s",
827 "application/octet-stream" );
828 httpd_MsgAdd( answer, "Server", "Cougar 4.1.0.3921" );
829 httpd_MsgAdd( answer, "Pragma", "no-cache" );
830 httpd_MsgAdd( answer, "Pragma", "client-id=%d", rand()&0x7fff );
831 httpd_MsgAdd( answer, "Pragma", "features=\"broadcast\"" );
833 /* Check if there is a xPlayStrm=1 */
834 for( i = 0; i < query->i_name; i++ )
836 if( !strcasecmp( query->name[i], "Pragma" ) &&
837 strstr( query->value[i], "xPlayStrm=1" ) )
839 b_xplaystream = true;
845 answer->i_body_offset = 0;
850 httpd_MsgAdd( answer, "Content-type", "%s", stream->psz_mime );
852 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
857 httpd_stream_t *httpd_StreamNew( httpd_host_t *host,
858 const char *psz_url, const char *psz_mime,
859 const char *psz_user, const char *psz_password,
860 const vlc_acl_t *p_acl )
862 httpd_stream_t *stream = malloc( sizeof( httpd_stream_t ) );
864 if( ( stream->url = httpd_UrlNewUnique( host, psz_url, psz_user,
865 psz_password, p_acl )
871 vlc_mutex_init( &stream->lock );
872 if( psz_mime && *psz_mime )
874 stream->psz_mime = strdup( psz_mime );
878 stream->psz_mime = strdup( httpd_MimeFromUrl( psz_url ) );
880 stream->i_header = 0;
881 stream->p_header = NULL;
882 stream->i_buffer_size = 5000000; /* 5 Mo per stream */
883 stream->p_buffer = malloc( stream->i_buffer_size );
884 /* We set to 1 to make life simpler
885 * (this way i_body_offset can never be 0) */
886 stream->i_buffer_pos = 1;
887 stream->i_buffer_last_pos = 1;
889 httpd_UrlCatch( stream->url, HTTPD_MSG_HEAD, httpd_StreamCallBack,
890 (httpd_callback_sys_t*)stream );
891 httpd_UrlCatch( stream->url, HTTPD_MSG_GET, httpd_StreamCallBack,
892 (httpd_callback_sys_t*)stream );
893 httpd_UrlCatch( stream->url, HTTPD_MSG_POST, httpd_StreamCallBack,
894 (httpd_callback_sys_t*)stream );
899 int httpd_StreamHeader( httpd_stream_t *stream, uint8_t *p_data, int i_data )
901 vlc_mutex_lock( &stream->lock );
902 free( stream->p_header );
903 stream->p_header = NULL;
905 stream->i_header = i_data;
908 stream->p_header = malloc( i_data );
909 memcpy( stream->p_header, p_data, i_data );
911 vlc_mutex_unlock( &stream->lock );
916 int httpd_StreamSend( httpd_stream_t *stream, uint8_t *p_data, int i_data )
921 if( i_data < 0 || p_data == NULL )
925 vlc_mutex_lock( &stream->lock );
927 /* save this pointer (to be used by new connection) */
928 stream->i_buffer_last_pos = stream->i_buffer_pos;
930 i_pos = stream->i_buffer_pos % stream->i_buffer_size;
936 i_copy = __MIN( i_count, stream->i_buffer_size - i_pos );
938 /* Ok, we can't go past the end of our buffer */
939 memcpy( &stream->p_buffer[i_pos], p_data, i_copy );
941 i_pos = ( i_pos + i_copy ) % stream->i_buffer_size;
946 stream->i_buffer_pos += i_data;
948 vlc_mutex_unlock( &stream->lock );
952 void httpd_StreamDelete( httpd_stream_t *stream )
954 httpd_UrlDelete( stream->url );
955 vlc_mutex_destroy( &stream->lock );
956 free( stream->psz_mime );
957 free( stream->p_header );
958 free( stream->p_buffer );
962 /*****************************************************************************
964 *****************************************************************************/
965 static void* httpd_HostThread( vlc_object_t * );
967 /* create a new host */
968 httpd_host_t *httpd_HostNew( vlc_object_t *p_this, const char *psz_host,
971 return httpd_TLSHostNew( p_this, psz_host, i_port, NULL, NULL, NULL, NULL
975 static const char psz_object_type[] = "http server";
977 httpd_host_t *httpd_TLSHostNew( vlc_object_t *p_this, const char *psz_hostname,
979 const char *psz_cert, const char *psz_key,
980 const char *psz_ca, const char *psz_crl )
986 vlc_value_t lockval, ptrval;
989 if( psz_hostname == NULL )
992 psz_host = strdup( psz_hostname );
993 if( psz_host == NULL )
996 /* to be sure to avoid multiple creation */
997 var_Create( p_this->p_libvlc, "httpd_mutex", VLC_VAR_MUTEX );
998 var_Get( p_this->p_libvlc, "httpd_mutex", &lockval );
999 vlc_mutex_lock( lockval.p_address );
1000 httpd = libvlc_priv (p_this->p_libvlc)->p_httpd;
1004 msg_Info( p_this, "creating httpd" );
1005 httpd = (httpd_t *)vlc_custom_create( p_this, sizeof (*httpd),
1010 vlc_mutex_unlock( lockval.p_address );
1018 ptrval.p_address = httpd;
1019 libvlc_priv (p_this->p_libvlc)->p_httpd = httpd;
1020 vlc_object_hold( httpd );
1021 vlc_object_attach( httpd, p_this->p_libvlc );
1024 /* verify if it already exist */
1025 for( i = httpd->i_host - 1; i >= 0; i-- )
1027 host = httpd->host[i];
1029 /* cannot mix TLS and non-TLS hosts */
1030 if( ( ( httpd->host[i]->p_tls != NULL ) != ( psz_cert != NULL ) )
1031 || ( host->i_port != i_port )
1032 || strcmp( host->psz_hostname, psz_hostname ) )
1038 vlc_mutex_unlock( lockval.p_address );
1044 /* determine TLS configuration */
1045 if ( psz_cert != NULL )
1047 p_tls = tls_ServerCreate( p_this, psz_cert, psz_key );
1048 if ( p_tls == NULL )
1050 msg_Err( p_this, "TLS initialization error" );
1054 if ( ( psz_ca != NULL) && tls_ServerAddCA( p_tls, psz_ca ) )
1056 msg_Err( p_this, "TLS CA error" );
1060 if ( ( psz_crl != NULL) && tls_ServerAddCRL( p_tls, psz_crl ) )
1062 msg_Err( p_this, "TLS CRL error" );
1069 /* create the new host */
1070 host = (httpd_host_t *)vlc_custom_create( p_this, sizeof (*host),
1076 vlc_object_lock( host );
1077 if( vlc_object_waitpipe( VLC_OBJECT( host ) ) == -1 )
1079 msg_Err( host, "signaling pipe error: %m" );
1080 vlc_object_unlock( host );
1083 vlc_object_unlock( host );
1085 host->httpd = httpd;
1086 vlc_mutex_init( &host->lock );
1089 host->fds = net_ListenTCP( p_this, psz_host, i_port );
1090 if( host->fds == NULL )
1092 msg_Err( p_this, "cannot create socket(s) for HTTP host" );
1095 for (host->nfd = 0; host->fds[host->nfd] != -1; host->nfd++);
1097 host->i_port = i_port;
1098 host->psz_hostname = psz_host;
1103 host->client = NULL;
1105 host->p_tls = p_tls;
1107 /* create the thread */
1108 if( vlc_thread_create( host, "httpd host thread", httpd_HostThread,
1109 VLC_THREAD_PRIORITY_LOW, false ) )
1111 msg_Err( p_this, "cannot spawn http host thread" );
1115 /* now add it to httpd */
1116 TAB_APPEND( httpd->i_host, httpd->host, host );
1117 vlc_mutex_unlock( lockval.p_address );
1123 if( httpd->i_host <= 0 )
1125 libvlc_priv (httpd->p_libvlc)->p_httpd = NULL;
1126 vlc_object_release( httpd );
1127 vlc_object_detach( httpd );
1128 vlc_object_release( httpd );
1130 vlc_mutex_unlock( lockval.p_address );
1134 net_ListenClose( host->fds );
1135 vlc_mutex_destroy( &host->lock );
1136 vlc_object_release( host );
1140 tls_ServerDelete( p_tls );
1146 void httpd_HostDelete( httpd_host_t *host )
1148 httpd_t *httpd = host->httpd;
1149 vlc_value_t lockval;
1152 var_Get( httpd->p_libvlc, "httpd_mutex", &lockval );
1153 vlc_mutex_lock( lockval.p_address );
1156 if( host->i_ref > 0 )
1159 vlc_mutex_unlock( lockval.p_address );
1160 msg_Dbg( host, "httpd_HostDelete: host still used" );
1163 TAB_REMOVE( httpd->i_host, httpd->host, host );
1165 vlc_object_kill( host );
1166 vlc_thread_join( host );
1168 msg_Dbg( host, "HTTP host removed" );
1170 for( i = 0; i < host->i_url; i++ )
1172 msg_Err( host, "url still registered: %s", host->url[i]->psz_url );
1174 for( i = 0; i < host->i_client; i++ )
1176 httpd_client_t *cl = host->client[i];
1177 msg_Warn( host, "client still connected" );
1178 httpd_ClientClean( cl );
1179 TAB_REMOVE( host->i_client, host->client, cl );
1185 if( host->p_tls != NULL)
1186 tls_ServerDelete( host->p_tls );
1188 net_ListenClose( host->fds );
1189 free( host->psz_hostname );
1191 vlc_mutex_destroy( &host->lock );
1192 vlc_object_release( host );
1194 vlc_object_release( httpd );
1195 if( httpd->i_host <= 0 )
1197 msg_Dbg( httpd, "no host left, stopping httpd" );
1199 libvlc_priv (httpd->p_libvlc)->p_httpd = NULL;
1200 vlc_object_detach( httpd );
1201 vlc_object_release( httpd );
1204 vlc_mutex_unlock( lockval.p_address );
1207 /* register a new url */
1208 static httpd_url_t *httpd_UrlNewPrivate( httpd_host_t *host, const char *psz_url,
1209 const char *psz_user, const char *psz_password,
1210 const vlc_acl_t *p_acl, bool b_check )
1215 assert( psz_url != NULL );
1217 vlc_mutex_lock( &host->lock );
1220 for( i = 0; i < host->i_url; i++ )
1222 if( !strcmp( psz_url, host->url[i]->psz_url ) )
1224 msg_Warn( host->httpd,
1225 "cannot add '%s' (url already defined)", psz_url );
1226 vlc_mutex_unlock( &host->lock );
1232 url = malloc( sizeof( httpd_url_t ) );
1235 vlc_mutex_init( &url->lock );
1236 url->psz_url = strdup( psz_url );
1237 url->psz_user = strdup( psz_user ? psz_user : "" );
1238 url->psz_password = strdup( psz_password ? psz_password : "" );
1239 url->p_acl = ACL_Duplicate( host, p_acl );
1240 for( i = 0; i < HTTPD_MSG_MAX; i++ )
1242 url->catch[i].cb = NULL;
1243 url->catch[i].p_sys = NULL;
1246 TAB_APPEND( host->i_url, host->url, url );
1247 vlc_mutex_unlock( &host->lock );
1252 httpd_url_t *httpd_UrlNew( httpd_host_t *host, const char *psz_url,
1253 const char *psz_user, const char *psz_password,
1254 const vlc_acl_t *p_acl )
1256 return httpd_UrlNewPrivate( host, psz_url, psz_user,
1257 psz_password, p_acl, false );
1260 httpd_url_t *httpd_UrlNewUnique( httpd_host_t *host, const char *psz_url,
1261 const char *psz_user, const char *psz_password,
1262 const vlc_acl_t *p_acl )
1264 return httpd_UrlNewPrivate( host, psz_url, psz_user,
1265 psz_password, p_acl, true );
1268 /* register callback on a url */
1269 int httpd_UrlCatch( httpd_url_t *url, int i_msg, httpd_callback_t cb,
1270 httpd_callback_sys_t *p_sys )
1272 vlc_mutex_lock( &url->lock );
1273 url->catch[i_msg].cb = cb;
1274 url->catch[i_msg].p_sys= p_sys;
1275 vlc_mutex_unlock( &url->lock );
1281 void httpd_UrlDelete( httpd_url_t *url )
1283 httpd_host_t *host = url->host;
1286 vlc_mutex_lock( &host->lock );
1287 TAB_REMOVE( host->i_url, host->url, url );
1289 vlc_mutex_destroy( &url->lock );
1290 free( url->psz_url );
1291 free( url->psz_user );
1292 free( url->psz_password );
1293 ACL_Destroy( url->p_acl );
1295 for( i = 0; i < host->i_client; i++ )
1297 httpd_client_t *client = host->client[i];
1299 if( client->url == url )
1301 /* TODO complete it */
1302 msg_Warn( host, "force closing connections" );
1303 httpd_ClientClean( client );
1304 TAB_REMOVE( host->i_client, host->client, client );
1310 vlc_mutex_unlock( &host->lock );
1313 static void httpd_MsgInit( httpd_message_t *msg )
1316 msg->i_type = HTTPD_MSG_NONE;
1317 msg->i_proto = HTTPD_PROTO_NONE;
1318 msg->i_version = -1; /* FIXME */
1322 msg->psz_url = NULL;
1323 msg->psz_args = NULL;
1325 msg->i_channel = -1;
1332 msg->i_body_offset = 0;
1337 static void httpd_MsgClean( httpd_message_t *msg )
1341 free( msg->psz_url );
1342 free( msg->psz_args );
1343 for( i = 0; i < msg->i_name; i++ )
1345 free( msg->name[i] );
1346 free( msg->value[i] );
1350 free( msg->p_body );
1351 httpd_MsgInit( msg );
1354 const char *httpd_MsgGet( const httpd_message_t *msg, const char *name )
1358 for( i = 0; i < msg->i_name; i++ )
1360 if( !strcasecmp( msg->name[i], name ))
1362 return msg->value[i];
1368 void httpd_MsgAdd( httpd_message_t *msg, const char *name, const char *psz_value, ... )
1373 va_start( args, psz_value );
1374 if( vasprintf( &value, psz_value, args ) == -1 )
1381 name = strdup( name );
1388 TAB_APPEND( msg->i_name, msg->name, (char*)name );
1389 TAB_APPEND( msg->i_value, msg->value, value );
1392 static void httpd_ClientInit( httpd_client_t *cl, mtime_t now )
1394 cl->i_state = HTTPD_CLIENT_RECEIVING;
1395 cl->i_activity_date = now;
1396 cl->i_activity_timeout = INT64_C(10000000);
1397 cl->i_buffer_size = HTTPD_CL_BUFSIZE;
1399 cl->p_buffer = malloc( cl->i_buffer_size );
1400 cl->i_mode = HTTPD_CLIENT_FILE;
1401 cl->b_read_waiting = false;
1403 httpd_MsgInit( &cl->query );
1404 httpd_MsgInit( &cl->answer );
1407 void httpd_ClientModeStream( httpd_client_t *cl )
1409 cl->i_mode = HTTPD_CLIENT_STREAM;
1412 void httpd_ClientModeBidir( httpd_client_t *cl )
1414 cl->i_mode = HTTPD_CLIENT_BIDIR;
1417 char* httpd_ClientIP( const httpd_client_t *cl, char *psz_ip )
1419 return net_GetPeerAddress( cl->fd, psz_ip, NULL ) ? NULL : psz_ip;
1422 char* httpd_ServerIP( const httpd_client_t *cl, char *psz_ip )
1424 return net_GetSockAddress( cl->fd, psz_ip, NULL ) ? NULL : psz_ip;
1427 static void httpd_ClientClean( httpd_client_t *cl )
1431 if( cl->p_tls != NULL )
1432 tls_ServerSessionClose( cl->p_tls );
1433 net_Close( cl->fd );
1437 httpd_MsgClean( &cl->answer );
1438 httpd_MsgClean( &cl->query );
1440 free( cl->p_buffer );
1441 cl->p_buffer = NULL;
1444 static httpd_client_t *httpd_ClientNew( int fd, tls_session_t *p_tls, mtime_t now )
1446 httpd_client_t *cl = malloc( sizeof( httpd_client_t ) );
1448 if( !cl ) return NULL;
1455 httpd_ClientInit( cl, now );
1461 ssize_t httpd_NetRecv (httpd_client_t *cl, uint8_t *p, size_t i_len)
1463 tls_session_t *p_tls;
1468 val = p_tls ? tls_Recv (p_tls, p, i_len)
1469 : recv (cl->fd, p, i_len, 0);
1470 while (val == -1 && errno == EINTR);
1475 ssize_t httpd_NetSend (httpd_client_t *cl, const uint8_t *p, size_t i_len)
1477 tls_session_t *p_tls;
1482 val = p_tls ? tls_Send( p_tls, p, i_len )
1483 : send (cl->fd, p, i_len, 0);
1484 while (val == -1 && errno == EINTR);
1491 const char name[16];
1497 { "OPTIONS", HTTPD_MSG_OPTIONS, HTTPD_PROTO_RTSP },
1498 { "DESCRIBE", HTTPD_MSG_DESCRIBE, HTTPD_PROTO_RTSP },
1499 { "SETUP", HTTPD_MSG_SETUP, HTTPD_PROTO_RTSP },
1500 { "PLAY", HTTPD_MSG_PLAY, HTTPD_PROTO_RTSP },
1501 { "PAUSE", HTTPD_MSG_PAUSE, HTTPD_PROTO_RTSP },
1502 { "GET_PARAMETER", HTTPD_MSG_GETPARAMETER, HTTPD_PROTO_RTSP },
1503 { "TEARDOWN", HTTPD_MSG_TEARDOWN, HTTPD_PROTO_RTSP },
1504 { "GET", HTTPD_MSG_GET, HTTPD_PROTO_HTTP },
1505 { "HEAD", HTTPD_MSG_HEAD, HTTPD_PROTO_HTTP },
1506 { "POST", HTTPD_MSG_POST, HTTPD_PROTO_HTTP },
1507 { "", HTTPD_MSG_NONE, HTTPD_PROTO_NONE }
1511 static void httpd_ClientRecv( httpd_client_t *cl )
1515 /* ignore leading whites */
1516 if( ( cl->query.i_proto == HTTPD_PROTO_NONE ) &&
1517 ( cl->i_buffer == 0 ) )
1521 i_len = httpd_NetRecv( cl, &c, 1 );
1523 if( ( i_len > 0 ) && ( strchr( "\r\n\t ", c ) == NULL ) )
1525 cl->p_buffer[0] = c;
1530 if( cl->query.i_proto == HTTPD_PROTO_NONE )
1532 /* enough to see if it's Interleaved RTP over RTSP or RTSP/HTTP */
1533 i_len = httpd_NetRecv( cl, &cl->p_buffer[cl->i_buffer],
1537 cl->i_buffer += i_len;
1540 if( ( cl->i_buffer >= 4 ) && ( cl->p_buffer[0] == '$' ) )
1542 /* Interleaved RTP over RTSP */
1543 cl->query.i_proto = HTTPD_PROTO_RTSP;
1544 cl->query.i_type = HTTPD_MSG_CHANNEL;
1545 cl->query.i_channel = cl->p_buffer[1];
1546 cl->query.i_body = (cl->p_buffer[2] << 8)|cl->p_buffer[3];
1547 cl->query.p_body = malloc( cl->query.i_body );
1549 memcpy( cl->query.p_body, cl->p_buffer + 4, cl->i_buffer );
1552 /* The smallest legal request is 7 bytes ("GET /\r\n"),
1553 * this is the maximum we can ask at this point. */
1554 if( cl->i_buffer >= 7 )
1556 if( !memcmp( cl->p_buffer, "HTTP/1.", 7 ) )
1558 cl->query.i_proto = HTTPD_PROTO_HTTP;
1559 cl->query.i_type = HTTPD_MSG_ANSWER;
1561 else if( !memcmp( cl->p_buffer, "RTSP/1.", 7 ) )
1563 cl->query.i_proto = HTTPD_PROTO_RTSP;
1564 cl->query.i_type = HTTPD_MSG_ANSWER;
1568 /* We need the full request line to determine the protocol. */
1569 cl->query.i_proto = HTTPD_PROTO_HTTP0;
1570 cl->query.i_type = HTTPD_MSG_NONE;
1574 else if( cl->query.i_body > 0 )
1576 /* we are reading the body of a request or a channel */
1577 i_len = httpd_NetRecv( cl, &cl->query.p_body[cl->i_buffer],
1578 cl->query.i_body - cl->i_buffer );
1581 cl->i_buffer += i_len;
1583 if( cl->i_buffer >= cl->query.i_body )
1585 cl->i_state = HTTPD_CLIENT_RECEIVE_DONE;
1590 /* we are reading a header -> char by char */
1593 if( cl->i_buffer == cl->i_buffer_size )
1595 uint8_t *newbuf = realloc( cl->p_buffer, cl->i_buffer_size + 1024 );
1596 if( newbuf == NULL )
1602 cl->p_buffer = newbuf;
1603 cl->i_buffer_size += 1024;
1606 i_len = httpd_NetRecv (cl, &cl->p_buffer[cl->i_buffer], 1 );
1613 if( ( cl->query.i_proto == HTTPD_PROTO_HTTP0 )
1614 && ( cl->p_buffer[cl->i_buffer - 1] == '\n' ) )
1616 /* Request line is now complete */
1617 const char *p = memchr( cl->p_buffer, ' ', cl->i_buffer );
1620 assert( cl->query.i_type == HTTPD_MSG_NONE );
1622 if( p == NULL ) /* no URI: evil guy */
1624 i_len = 0; /* drop connection */
1629 p++; /* skips extra spaces */
1632 p = memchr( p, ' ', ((char *)cl->p_buffer) + cl->i_buffer - p );
1633 if( p == NULL ) /* no explicit protocol: HTTP/0.9 */
1635 i_len = 0; /* not supported currently -> drop */
1640 p++; /* skips extra spaces ever again */
1643 len = ((char *)cl->p_buffer) + cl->i_buffer - p;
1644 if( len < 7 ) /* foreign protocol */
1645 i_len = 0; /* I don't understand -> drop */
1647 if( memcmp( p, "HTTP/1.", 7 ) == 0 )
1649 cl->query.i_proto = HTTPD_PROTO_HTTP;
1650 cl->query.i_version = atoi( p + 7 );
1653 if( memcmp( p, "RTSP/1.", 7 ) == 0 )
1655 cl->query.i_proto = HTTPD_PROTO_RTSP;
1656 cl->query.i_version = atoi( p + 7 );
1659 if( memcmp( p, "HTTP/", 5 ) == 0 )
1661 const uint8_t sorry[] =
1662 "HTTP/1.1 505 Unknown HTTP version\r\n\r\n";
1663 httpd_NetSend( cl, sorry, sizeof( sorry ) - 1 );
1664 i_len = 0; /* drop */
1667 if( memcmp( p, "RTSP/", 5 ) == 0 )
1669 const uint8_t sorry[] =
1670 "RTSP/1.0 505 Unknown RTSP version\r\n\r\n";
1671 httpd_NetSend( cl, sorry, sizeof( sorry ) - 1 );
1672 i_len = 0; /* drop */
1674 else /* yet another foreign protocol */
1681 if( ( cl->i_buffer >= 2 && !memcmp( &cl->p_buffer[cl->i_buffer-2], "\n\n", 2 ) )||
1682 ( cl->i_buffer >= 4 && !memcmp( &cl->p_buffer[cl->i_buffer-4], "\r\n\r\n", 4 ) ) )
1686 /* we have finished the header so parse it and set i_body */
1687 cl->p_buffer[cl->i_buffer] = '\0';
1689 if( cl->query.i_type == HTTPD_MSG_ANSWER )
1692 * assume strlen( "HTTP/1.x" ) = 8
1694 cl->query.i_status =
1695 strtol( (char *)&cl->p_buffer[8],
1705 cl->query.i_type = HTTPD_MSG_NONE;
1707 /*fprintf( stderr, "received new request=%s\n", cl->p_buffer);*/
1709 for( i = 0; msg_type[i].name[0]; i++ )
1711 if( !strncmp( (char *)cl->p_buffer, msg_type[i].name,
1712 strlen( msg_type[i].name ) ) )
1714 p = (char *)&cl->p_buffer[strlen(msg_type[i].name) + 1 ];
1715 cl->query.i_type = msg_type[i].i_type;
1716 if( cl->query.i_proto != msg_type[i].i_proto )
1719 cl->query.i_proto = HTTPD_PROTO_NONE;
1720 cl->query.i_type = HTTPD_MSG_NONE;
1727 if( strstr( (char *)cl->p_buffer, "HTTP/1." ) )
1729 cl->query.i_proto = HTTPD_PROTO_HTTP;
1731 else if( strstr( (char *)cl->p_buffer, "RTSP/1." ) )
1733 cl->query.i_proto = HTTPD_PROTO_RTSP;
1745 p2 = strchr( p, ' ' );
1750 if( !strncasecmp( p, ( cl->query.i_proto
1751 == HTTPD_PROTO_HTTP ) ? "http" : "rtsp", 4 )
1752 && p[4 + !!strchr( "sS", p[4] )] == ':' )
1753 { /* Skip hier-part of URL (if present) */
1754 p = strchr( p, ':' ) + 1; /* skip URI scheme */
1755 if( !strncmp( p, "//", 2 ) ) /* skip authority */
1756 { /* see RFC3986 §3.2 */
1758 while( *p && !strchr( "/?#", *p ) ) p++;
1761 cl->query.psz_url = strdup( p );
1762 if( ( p3 = strchr( cl->query.psz_url, '?' ) ) )
1765 cl->query.psz_args = (uint8_t *)strdup( p3 );
1772 p = strchr( p, '\n' );
1776 while( *p == '\n' || *p == '\r' )
1780 while( p && *p != '\0' )
1783 char *eol = p = strchr( p, '\n' );
1786 while( eol && eol >= line && ( *eol == '\n' || *eol == '\r' ) )
1791 if( ( colon = strchr( line, ':' ) ) )
1797 while( *colon == ' ' )
1801 name = strdup( line );
1802 value = strdup( colon );
1804 TAB_APPEND( cl->query.i_name, cl->query.name, name );
1805 TAB_APPEND( cl->query.i_value,cl->query.value,value);
1807 if( !strcasecmp( name, "Content-Length" ) )
1809 cl->query.i_body = atol( value );
1816 while( *p == '\n' || *p == '\r' )
1823 if( cl->query.i_body > 0 )
1825 /* TODO Mhh, handle the case client will only send a
1826 * request and close the connection
1827 * to mark and of body (probably only RTSP) */
1828 cl->query.p_body = malloc( cl->query.i_body );
1833 cl->i_state = HTTPD_CLIENT_RECEIVE_DONE;
1839 /* check if the client is to be set to dead */
1840 #if defined( WIN32 ) || defined( UNDER_CE )
1841 if( ( i_len < 0 && WSAGetLastError() != WSAEWOULDBLOCK ) || ( i_len == 0 ) )
1843 if( ( i_len < 0 && errno != EAGAIN ) || ( i_len == 0 ) )
1846 if( cl->query.i_proto != HTTPD_PROTO_NONE && cl->query.i_type != HTTPD_MSG_NONE )
1848 /* connection closed -> end of data */
1849 if( cl->query.i_body > 0 )
1851 cl->query.i_body = cl->i_buffer;
1853 cl->i_state = HTTPD_CLIENT_RECEIVE_DONE;
1857 cl->i_state = HTTPD_CLIENT_DEAD;
1861 /* XXX: for QT I have to disable timeout. Try to find why */
1862 if( cl->query.i_proto == HTTPD_PROTO_RTSP )
1863 cl->i_activity_timeout = 0;
1865 #if 0 /* Debugging only */
1866 if( cl->i_state == HTTPD_CLIENT_RECEIVE_DONE )
1870 fprintf( stderr, "received new request\n" );
1871 fprintf( stderr, " - proto=%s\n",
1872 cl->query.i_proto == HTTPD_PROTO_HTTP ? "HTTP" : "RTSP" );
1873 fprintf( stderr, " - version=%d\n", cl->query.i_version );
1874 fprintf( stderr, " - msg=%d\n", cl->query.i_type );
1875 if( cl->query.i_type == HTTPD_MSG_ANSWER )
1877 fprintf( stderr, " - answer=%d '%s'\n", cl->query.i_status,
1878 cl->query.psz_status );
1880 else if( cl->query.i_type != HTTPD_MSG_NONE )
1882 fprintf( stderr, " - url=%s\n", cl->query.psz_url );
1884 for( i = 0; i < cl->query.i_name; i++ )
1886 fprintf( stderr, " - option name='%s' value='%s'\n",
1887 cl->query.name[i], cl->query.value[i] );
1893 static void httpd_ClientSend( httpd_client_t *cl )
1898 if( cl->i_buffer < 0 )
1900 /* We need to create the header */
1903 const char *psz_status = httpd_ReasonFromCode( cl->answer.i_status );
1905 i_size = strlen( "HTTP/1.") + 10 + 10 + strlen( psz_status ) + 5;
1906 for( i = 0; i < cl->answer.i_name; i++ )
1908 i_size += strlen( cl->answer.name[i] ) + 2 +
1909 strlen( cl->answer.value[i] ) + 2;
1912 if( cl->i_buffer_size < i_size )
1914 cl->i_buffer_size = i_size;
1915 free( cl->p_buffer );
1916 cl->p_buffer = malloc( i_size );
1918 p = (char *)cl->p_buffer;
1920 p += sprintf( p, "%s.%u %d %s\r\n",
1921 cl->answer.i_proto == HTTPD_PROTO_HTTP ? "HTTP/1" : "RTSP/1",
1922 cl->answer.i_version,
1923 cl->answer.i_status, psz_status );
1924 for( i = 0; i < cl->answer.i_name; i++ )
1926 p += sprintf( p, "%s: %s\r\n", cl->answer.name[i],
1927 cl->answer.value[i] );
1929 p += sprintf( p, "\r\n" );
1932 cl->i_buffer_size = (uint8_t*)p - cl->p_buffer;
1934 /*fprintf( stderr, "sending answer\n" );
1935 fprintf( stderr, "%s", cl->p_buffer );*/
1938 i_len = httpd_NetSend( cl, &cl->p_buffer[cl->i_buffer],
1939 cl->i_buffer_size - cl->i_buffer );
1942 cl->i_buffer += i_len;
1944 if( cl->i_buffer >= cl->i_buffer_size )
1946 if( cl->answer.i_body == 0 && cl->answer.i_body_offset > 0 &&
1947 !cl->b_read_waiting )
1949 /* catch more body data */
1950 int i_msg = cl->query.i_type;
1951 int64_t i_offset = cl->answer.i_body_offset;
1953 httpd_MsgClean( &cl->answer );
1954 cl->answer.i_body_offset = i_offset;
1956 cl->url->catch[i_msg].cb( cl->url->catch[i_msg].p_sys, cl,
1957 &cl->answer, &cl->query );
1960 if( cl->answer.i_body > 0 )
1962 /* send the body data */
1963 free( cl->p_buffer );
1964 cl->p_buffer = cl->answer.p_body;
1965 cl->i_buffer_size = cl->answer.i_body;
1968 cl->answer.i_body = 0;
1969 cl->answer.p_body = NULL;
1974 cl->i_state = HTTPD_CLIENT_SEND_DONE;
1980 #if defined( WIN32 ) || defined( UNDER_CE )
1981 if( ( i_len < 0 && WSAGetLastError() != WSAEWOULDBLOCK ) || ( i_len == 0 ) )
1983 if( ( i_len < 0 && errno != EAGAIN ) || ( i_len == 0 ) )
1987 cl->i_state = HTTPD_CLIENT_DEAD;
1992 static void httpd_ClientTlsHsIn( httpd_client_t *cl )
1994 switch( tls_SessionContinueHandshake( cl->p_tls ) )
1997 cl->i_state = HTTPD_CLIENT_RECEIVING;
2001 cl->i_state = HTTPD_CLIENT_DEAD;
2006 cl->i_state = HTTPD_CLIENT_TLS_HS_OUT;
2010 static void httpd_ClientTlsHsOut( httpd_client_t *cl )
2012 switch( tls_SessionContinueHandshake( cl->p_tls ) )
2015 cl->i_state = HTTPD_CLIENT_RECEIVING;
2019 cl->i_state = HTTPD_CLIENT_DEAD;
2024 cl->i_state = HTTPD_CLIENT_TLS_HS_IN;
2029 static void* httpd_HostThread( vlc_object_t *p_this )
2031 httpd_host_t *host = (httpd_host_t *)p_this;
2032 tls_session_t *p_tls = NULL;
2033 counter_t *p_total_counter = stats_CounterCreate( host, VLC_VAR_INTEGER, STATS_COUNTER );
2034 counter_t *p_active_counter = stats_CounterCreate( host, VLC_VAR_INTEGER, STATS_COUNTER );
2037 int canc = vlc_savecancel ();
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 bool b_low_delay = 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 bool b_auth_failed = false;
2220 bool b_hosts_failed = 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 = 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 = 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 bool b_connection = false;
2345 bool b_keepalive = false;
2346 bool b_query = 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->query.i_version == 0 && b_keepalive ) ||
2362 ( cl->query.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 = 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)
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 )
2466 b_die = !vlc_object_alive( host );
2468 vlc_object_wait( host );
2470 vlc_object_unlock( host );
2472 /* Handle client sockets */
2473 vlc_mutex_lock( &host->lock );
2476 for( int i_client = 0; i_client < host->i_client; i_client++ )
2478 httpd_client_t *cl = host->client[i_client];
2479 const struct pollfd *pufd = &ufd[nfd];
2481 assert( pufd < &ufd[sizeof(ufd) / sizeof(ufd[0])] );
2483 if( cl->fd != pufd->fd )
2484 continue; // we were not waiting for this client
2486 if( pufd->revents == 0 )
2487 continue; // no event received
2489 cl->i_activity_date = now;
2491 if( cl->i_state == HTTPD_CLIENT_RECEIVING )
2493 httpd_ClientRecv( cl );
2495 else if( cl->i_state == HTTPD_CLIENT_SENDING )
2497 httpd_ClientSend( cl );
2499 else if( cl->i_state == HTTPD_CLIENT_TLS_HS_IN )
2501 httpd_ClientTlsHsIn( cl );
2503 else if( cl->i_state == HTTPD_CLIENT_TLS_HS_OUT )
2505 httpd_ClientTlsHsOut( cl );
2508 if( cl->i_mode == HTTPD_CLIENT_BIDIR &&
2509 cl->i_state == HTTPD_CLIENT_SENDING &&
2510 (pufd->revents & POLLIN) )
2512 cl->b_read_waiting = true;
2515 vlc_mutex_unlock( &host->lock );
2517 /* Handle server sockets (accept new connections) */
2518 for( nfd = 0; nfd < host->nfd; nfd++ )
2522 int fd = ufd[nfd].fd;
2524 assert (fd == host->fds[nfd]);
2526 if( ufd[nfd].revents == 0 )
2530 fd = accept (fd, NULL, NULL);
2534 net_SetupSocket (fd);
2537 switch( tls_ServerSessionHandshake( p_tls, fd ) )
2540 msg_Err( host, "Rejecting TLS connection" );
2546 case 1: /* missing input - most likely */
2547 i_state = HTTPD_CLIENT_TLS_HS_IN;
2550 case 2: /* missing output */
2551 i_state = HTTPD_CLIENT_TLS_HS_OUT;
2555 if( (p_tls == NULL) != (host->p_tls == NULL) )
2556 break; // wasted TLS session, cannot accept() anymore
2559 stats_UpdateInteger( host, p_total_counter, 1, NULL );
2560 stats_UpdateInteger( host, p_active_counter, 1, NULL );
2561 cl = httpd_ClientNew( fd, p_tls, now );
2563 vlc_mutex_lock( &host->lock );
2564 TAB_APPEND( host->i_client, host->client, cl );
2565 vlc_mutex_unlock( &host->lock );
2567 cl->i_state = i_state; // override state for TLS
2569 if (host->p_tls != NULL)
2570 break; // cannot accept further without new TLS session
2576 tls_ServerSessionClose( p_tls );
2577 if( p_total_counter )
2578 stats_CounterClean( p_total_counter );
2579 if( p_active_counter )
2580 stats_CounterClean( p_active_counter );
2581 vlc_restorecancel (canc);