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 *****************************************************************************/
31 #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 /* same as modules/mux/mpjpeg.c here: */
213 { ".mpjpeg","multipart/x-mixed-replace; boundary=7b3cc56e5f51db803f790dad720ed50a" },
216 { ".avi", "video/avi" },
217 { ".asf", "video/x-ms-asf" },
218 { ".m1a", "audio/mpeg" },
219 { ".m2a", "audio/mpeg" },
220 { ".m1v", "video/mpeg" },
221 { ".m2v", "video/mpeg" },
222 { ".mp2", "audio/mpeg" },
223 { ".mp3", "audio/mpeg" },
224 { ".mpa", "audio/mpeg" },
225 { ".mpg", "video/mpeg" },
226 { ".mpeg", "video/mpeg" },
227 { ".mpe", "video/mpeg" },
228 { ".mov", "video/quicktime" },
229 { ".moov", "video/quicktime" },
230 { ".ogg", "application/ogg" },
231 { ".ogm", "application/ogg" },
232 { ".wav", "audio/wav" },
233 { ".wma", "audio/x-ms-wma" },
234 { ".wmv", "video/x-ms-wmv" },
241 static const char *httpd_MimeFromUrl( const char *psz_url )
246 psz_ext = strrchr( psz_url, '.' );
251 for( i = 0; http_mime[i].psz_ext[0] ; i++ )
253 if( !strcasecmp( http_mime[i].psz_ext, psz_ext ) )
255 return http_mime[i].psz_mime;
259 return "application/octet-stream";
266 const char psz_reason[36];
269 static const http_status_info http_reason[] =
271 /*{ 100, "Continue" },
272 { 101, "Switching Protocols" },*/
274 /*{ 201, "Created" },
276 { 203, "Non-authoritative information" },
277 { 204, "No content" },
278 { 205, "Reset content" },
279 { 206, "Partial content" },
280 { 250, "Low on storage space" },
281 { 300, "Multiple choices" },*/
282 { 301, "Moved permanently" },
283 /*{ 302, "Moved temporarily" },
284 { 303, "See other" },
285 { 304, "Not modified" },
286 { 305, "Use proxy" },
287 { 307, "Temporary redirect" },
288 { 400, "Bad request" },*/
289 { 401, "Unauthorized" },
290 /*{ 402, "Payment Required" },*/
291 { 403, "Forbidden" },
292 { 404, "Not found" },
293 { 405, "Method not allowed" },
294 /*{ 406, "Not acceptable" },
295 { 407, "Proxy authentication required" },
296 { 408, "Request time-out" },
299 { 411, "Length required" },
300 { 412, "Precondition failed" },
301 { 413, "Request entity too large" },
302 { 414, "Request-URI too large" },
303 { 415, "Unsupported media Type" },
304 { 416, "Requested range not satisfiable" },
305 { 417, "Expectation failed" },
306 { 451, "Parameter not understood" },
307 { 452, "Conference not found" },
308 { 453, "Not enough bandwidth" },*/
309 { 454, "Session not found" },
310 /*{ 455, "Method not valid in this State" },*/
311 { 456, "Header field not valid for resource" },
312 /*{ 457, "Invalid range" },
313 { 458, "Read-only parameter" },*/
314 { 459, "Aggregate operation not allowed" },
315 { 460, "Non-aggregate operation not allowed" },
316 { 461, "Unsupported transport" },
317 /*{ 462, "Destination unreachable" },*/
318 { 500, "Internal server error" },
319 { 501, "Not implemented" },
320 /*{ 502, "Bad gateway" },*/
321 { 503, "Service unavailable" },
322 /*{ 504, "Gateway time-out" },*/
323 { 505, "Protocol version not supported" },
324 { 551, "Option not supported" },
328 static const char psz_fallback_reason[5][16] =
329 { "Continue", "OK", "Found", "Client error", "Server error" };
331 static const char *httpd_ReasonFromCode( unsigned i_code )
333 const http_status_info *p;
335 assert( ( i_code >= 100 ) && ( i_code <= 599 ) );
337 for (p = http_reason; i_code > p->i_code; p++);
339 if( p->i_code == i_code )
340 return p->psz_reason;
342 return psz_fallback_reason[(i_code / 100) - 1];
346 static size_t httpd_HtmlError (char **body, int code, const char *url)
348 const char *errname = httpd_ReasonFromCode (code);
349 assert (errname != NULL);
351 int res = asprintf (body,
352 "<?xml version=\"1.0\" encoding=\"ascii\" ?>\n"
353 "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\""
354 " \"http://www.w3.org/TR/xhtml10/DTD/xhtml10strict.dtd\">\n"
355 "<html lang=\"en\">\n"
357 "<title>%s</title>\n"
360 "<h1>%d %s%s%s%s</h1>\n"
362 "<a href=\"http://www.videolan.org\">VideoLAN</a>\n"
364 "</html>\n", errname, code, errname,
365 (url ? " (" : ""), (url ?: ""), (url ? ")" : ""));
377 /*****************************************************************************
378 * High Level Functions: httpd_file_t
379 *****************************************************************************/
387 httpd_file_callback_t pf_fill;
388 httpd_file_sys_t *p_sys;
393 httpd_FileCallBack( httpd_callback_sys_t *p_sys, httpd_client_t *cl,
394 httpd_message_t *answer, const httpd_message_t *query )
396 httpd_file_t *file = (httpd_file_t*)p_sys;
397 uint8_t *psz_args = query->psz_args;
398 uint8_t **pp_body, *p_body;
399 const char *psz_connection;
400 int *pi_body, i_body;
402 if( answer == NULL || query == NULL )
406 answer->i_proto = HTTPD_PROTO_HTTP;
407 answer->i_version= 1;
408 answer->i_type = HTTPD_MSG_ANSWER;
410 answer->i_status = 200;
412 httpd_MsgAdd( answer, "Content-type", "%s", file->psz_mime );
413 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
415 if( query->i_type != HTTPD_MSG_HEAD )
417 pp_body = &answer->p_body;
418 pi_body = &answer->i_body;
422 /* The file still needs to be executed. */
429 if( query->i_type == HTTPD_MSG_POST )
431 /* msg_Warn not supported */
434 file->pf_fill( file->p_sys, file, psz_args, pp_body, pi_body );
436 if( query->i_type == HTTPD_MSG_HEAD && p_body != NULL )
441 /* We respect client request */
442 psz_connection = httpd_MsgGet( &cl->query, "Connection" );
443 if( psz_connection != NULL )
445 httpd_MsgAdd( answer, "Connection", "%s", psz_connection );
448 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
453 httpd_file_t *httpd_FileNew( httpd_host_t *host,
454 const char *psz_url, const char *psz_mime,
455 const char *psz_user, const char *psz_password,
456 const vlc_acl_t *p_acl, httpd_file_callback_t pf_fill,
457 httpd_file_sys_t *p_sys )
459 httpd_file_t *file = malloc( sizeof( httpd_file_t ) );
461 if( ( file->url = httpd_UrlNewUnique( host, psz_url, psz_user,
462 psz_password, p_acl )
469 file->psz_url = strdup( psz_url );
470 if( psz_mime && *psz_mime )
472 file->psz_mime = strdup( psz_mime );
476 file->psz_mime = strdup( httpd_MimeFromUrl( psz_url ) );
479 file->pf_fill = pf_fill;
482 httpd_UrlCatch( file->url, HTTPD_MSG_HEAD, httpd_FileCallBack,
483 (httpd_callback_sys_t*)file );
484 httpd_UrlCatch( file->url, HTTPD_MSG_GET, httpd_FileCallBack,
485 (httpd_callback_sys_t*)file );
486 httpd_UrlCatch( file->url, HTTPD_MSG_POST, httpd_FileCallBack,
487 (httpd_callback_sys_t*)file );
492 httpd_file_sys_t *httpd_FileDelete( httpd_file_t *file )
494 httpd_file_sys_t *p_sys = file->p_sys;
496 httpd_UrlDelete( file->url );
498 free( file->psz_url );
499 free( file->psz_mime );
506 /*****************************************************************************
507 * High Level Functions: httpd_handler_t (for CGIs)
508 *****************************************************************************/
509 struct httpd_handler_t
513 httpd_handler_callback_t pf_fill;
514 httpd_handler_sys_t *p_sys;
519 httpd_HandlerCallBack( httpd_callback_sys_t *p_sys, httpd_client_t *cl,
520 httpd_message_t *answer, const httpd_message_t *query )
522 httpd_handler_t *handler = (httpd_handler_t*)p_sys;
523 uint8_t *psz_args = query->psz_args;
524 char psz_remote_addr[NI_MAXNUMERICHOST];
526 if( answer == NULL || query == NULL )
530 answer->i_proto = HTTPD_PROTO_NONE;
531 answer->i_type = HTTPD_MSG_ANSWER;
533 /* We do it ourselves, thanks */
534 answer->i_status = 0;
536 if( httpd_ClientIP( cl, psz_remote_addr ) == NULL )
537 *psz_remote_addr = '\0';
539 handler->pf_fill( handler->p_sys, handler, query->psz_url, psz_args,
540 query->i_type, query->p_body, query->i_body,
541 psz_remote_addr, NULL,
542 &answer->p_body, &answer->i_body );
544 if( query->i_type == HTTPD_MSG_HEAD )
546 char *p = (char *)answer->p_body;
548 /* Looks for end of header (i.e. one empty line) */
549 while ( (p = strchr( p, '\r' )) != NULL )
551 if( p[1] && p[1] == '\n' && p[2] && p[2] == '\r'
552 && p[3] && p[3] == '\n' )
561 answer->i_body = strlen((char*)answer->p_body) + 1;
562 answer->p_body = realloc( answer->p_body, answer->i_body );
566 if( strncmp( (char *)answer->p_body, "HTTP/1.", 7 ) )
568 int i_status, i_headers;
569 char *psz_headers, *psz_new;
570 const char *psz_status;
572 if( !strncmp( (char *)answer->p_body, "Status: ", 8 ) )
575 i_status = strtol( (char *)&answer->p_body[8], &psz_headers, 0 );
576 if( *psz_headers ) psz_headers++;
577 if( *psz_headers ) psz_headers++;
578 i_headers = answer->i_body - (psz_headers - (char *)answer->p_body);
583 psz_headers = (char *)answer->p_body;
584 i_headers = answer->i_body;
587 psz_status = httpd_ReasonFromCode( i_status );
588 answer->i_body = sizeof("HTTP/1.0 xxx \r\n")
589 + strlen(psz_status) + i_headers - 1;
590 psz_new = (char *)malloc( answer->i_body + 1);
591 sprintf( psz_new, "HTTP/1.0 %03d %s\r\n", i_status, psz_status );
592 memcpy( &psz_new[strlen(psz_new)], psz_headers, i_headers );
593 free( answer->p_body );
594 answer->p_body = (uint8_t *)psz_new;
600 httpd_handler_t *httpd_HandlerNew( httpd_host_t *host, const char *psz_url,
601 const char *psz_user,
602 const char *psz_password,
603 const vlc_acl_t *p_acl,
604 httpd_handler_callback_t pf_fill,
605 httpd_handler_sys_t *p_sys )
607 httpd_handler_t *handler = malloc( sizeof( httpd_handler_t ) );
609 if( ( handler->url = httpd_UrlNewUnique( host, psz_url, psz_user,
610 psz_password, p_acl )
617 handler->pf_fill = pf_fill;
618 handler->p_sys = p_sys;
620 httpd_UrlCatch( handler->url, HTTPD_MSG_HEAD, httpd_HandlerCallBack,
621 (httpd_callback_sys_t*)handler );
622 httpd_UrlCatch( handler->url, HTTPD_MSG_GET, httpd_HandlerCallBack,
623 (httpd_callback_sys_t*)handler );
624 httpd_UrlCatch( handler->url, HTTPD_MSG_POST, httpd_HandlerCallBack,
625 (httpd_callback_sys_t*)handler );
630 httpd_handler_sys_t *httpd_HandlerDelete( httpd_handler_t *handler )
632 httpd_handler_sys_t *p_sys = handler->p_sys;
633 httpd_UrlDelete( handler->url );
638 /*****************************************************************************
639 * High Level Functions: httpd_redirect_t
640 *****************************************************************************/
641 struct httpd_redirect_t
647 static int httpd_RedirectCallBack( httpd_callback_sys_t *p_sys,
648 httpd_client_t *cl, httpd_message_t *answer,
649 const httpd_message_t *query )
651 httpd_redirect_t *rdir = (httpd_redirect_t*)p_sys;
655 if( answer == NULL || query == NULL )
659 answer->i_proto = HTTPD_PROTO_HTTP;
660 answer->i_version= 1;
661 answer->i_type = HTTPD_MSG_ANSWER;
662 answer->i_status = 301;
664 answer->i_body = httpd_HtmlError (&p_body, 301, rdir->psz_dst);
665 answer->p_body = (unsigned char *)p_body;
667 /* XXX check if it's ok or we need to set an absolute url */
668 httpd_MsgAdd( answer, "Location", "%s", rdir->psz_dst );
670 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
675 httpd_redirect_t *httpd_RedirectNew( httpd_host_t *host, const char *psz_url_dst,
676 const char *psz_url_src )
678 httpd_redirect_t *rdir = malloc( sizeof( httpd_redirect_t ) );
680 if( !( rdir->url = httpd_UrlNewUnique( host, psz_url_src, NULL, NULL, NULL ) ) )
685 rdir->psz_dst = strdup( psz_url_dst );
687 /* Redirect apply for all HTTP request and RTSP DESCRIBE resquest */
688 httpd_UrlCatch( rdir->url, HTTPD_MSG_HEAD, httpd_RedirectCallBack,
689 (httpd_callback_sys_t*)rdir );
690 httpd_UrlCatch( rdir->url, HTTPD_MSG_GET, httpd_RedirectCallBack,
691 (httpd_callback_sys_t*)rdir );
692 httpd_UrlCatch( rdir->url, HTTPD_MSG_POST, httpd_RedirectCallBack,
693 (httpd_callback_sys_t*)rdir );
694 httpd_UrlCatch( rdir->url, HTTPD_MSG_DESCRIBE, httpd_RedirectCallBack,
695 (httpd_callback_sys_t*)rdir );
699 void httpd_RedirectDelete( httpd_redirect_t *rdir )
701 httpd_UrlDelete( rdir->url );
702 free( rdir->psz_dst );
706 /*****************************************************************************
707 * High Level Funtions: httpd_stream_t
708 *****************************************************************************/
709 struct httpd_stream_t
716 /* Header to send as first packet */
720 /* circular buffer */
721 int i_buffer_size; /* buffer size, can't be reallocated smaller */
722 uint8_t *p_buffer; /* buffer */
723 int64_t i_buffer_pos; /* absolute position from begining */
724 int64_t i_buffer_last_pos; /* a new connection will start with that */
727 static int httpd_StreamCallBack( httpd_callback_sys_t *p_sys,
728 httpd_client_t *cl, httpd_message_t *answer,
729 const httpd_message_t *query )
731 httpd_stream_t *stream = (httpd_stream_t*)p_sys;
733 if( answer == NULL || query == NULL || cl == NULL )
738 if( answer->i_body_offset > 0 )
744 fprintf( stderr, "httpd_StreamCallBack i_body_offset=%lld\n",
745 answer->i_body_offset );
748 if( answer->i_body_offset >= stream->i_buffer_pos )
750 /* fprintf( stderr, "httpd_StreamCallBack: no data\n" ); */
751 return VLC_EGENERIC; /* wait, no data available */
753 if( answer->i_body_offset + stream->i_buffer_size <
754 stream->i_buffer_pos )
756 /* this client isn't fast enough */
758 fprintf( stderr, "fixing i_body_offset (old=%lld new=%lld)\n",
759 answer->i_body_offset, stream->i_buffer_last_pos );
761 answer->i_body_offset = stream->i_buffer_last_pos;
764 i_pos = answer->i_body_offset % stream->i_buffer_size;
765 i_write = stream->i_buffer_pos - answer->i_body_offset;
766 if( i_write > HTTPD_CL_BUFSIZE )
768 i_write = HTTPD_CL_BUFSIZE;
770 else if( i_write <= 0 )
772 return VLC_EGENERIC; /* wait, no data available */
775 /* Don't go past the end of the circular buffer */
776 i_write = __MIN( i_write, stream->i_buffer_size - i_pos );
778 /* using HTTPD_MSG_ANSWER -> data available */
779 answer->i_proto = HTTPD_PROTO_HTTP;
780 answer->i_version= 0;
781 answer->i_type = HTTPD_MSG_ANSWER;
783 answer->i_body = i_write;
784 answer->p_body = malloc( i_write );
785 memcpy( answer->p_body, &stream->p_buffer[i_pos], i_write );
787 answer->i_body_offset += i_write;
793 answer->i_proto = HTTPD_PROTO_HTTP;
794 answer->i_version= 0;
795 answer->i_type = HTTPD_MSG_ANSWER;
797 answer->i_status = 200;
799 if( query->i_type != HTTPD_MSG_HEAD )
801 httpd_ClientModeStream( cl );
802 vlc_mutex_lock( &stream->lock );
803 /* Send the header */
804 if( stream->i_header > 0 )
806 answer->i_body = stream->i_header;
807 answer->p_body = malloc( stream->i_header );
808 memcpy( answer->p_body, stream->p_header, stream->i_header );
810 answer->i_body_offset = stream->i_buffer_last_pos;
811 vlc_mutex_unlock( &stream->lock );
815 httpd_MsgAdd( answer, "Content-Length", "%d", 0 );
816 answer->i_body_offset = 0;
819 if( !strcmp( stream->psz_mime, "video/x-ms-asf-stream" ) )
821 bool b_xplaystream = false;
824 httpd_MsgAdd( answer, "Content-type", "%s",
825 "application/octet-stream" );
826 httpd_MsgAdd( answer, "Server", "Cougar 4.1.0.3921" );
827 httpd_MsgAdd( answer, "Pragma", "no-cache" );
828 httpd_MsgAdd( answer, "Pragma", "client-id=%d", rand()&0x7fff );
829 httpd_MsgAdd( answer, "Pragma", "features=\"broadcast\"" );
831 /* Check if there is a xPlayStrm=1 */
832 for( i = 0; i < query->i_name; i++ )
834 if( !strcasecmp( query->name[i], "Pragma" ) &&
835 strstr( query->value[i], "xPlayStrm=1" ) )
837 b_xplaystream = true;
843 answer->i_body_offset = 0;
848 httpd_MsgAdd( answer, "Content-type", "%s", stream->psz_mime );
850 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
855 httpd_stream_t *httpd_StreamNew( httpd_host_t *host,
856 const char *psz_url, const char *psz_mime,
857 const char *psz_user, const char *psz_password,
858 const vlc_acl_t *p_acl )
860 httpd_stream_t *stream = malloc( sizeof( httpd_stream_t ) );
862 if( ( stream->url = httpd_UrlNewUnique( host, psz_url, psz_user,
863 psz_password, p_acl )
869 vlc_mutex_init( host, &stream->lock );
870 if( psz_mime && *psz_mime )
872 stream->psz_mime = strdup( psz_mime );
876 stream->psz_mime = strdup( httpd_MimeFromUrl( psz_url ) );
878 stream->i_header = 0;
879 stream->p_header = NULL;
880 stream->i_buffer_size = 5000000; /* 5 Mo per stream */
881 stream->p_buffer = malloc( stream->i_buffer_size );
882 /* We set to 1 to make life simpler
883 * (this way i_body_offset can never be 0) */
884 stream->i_buffer_pos = 1;
885 stream->i_buffer_last_pos = 1;
887 httpd_UrlCatch( stream->url, HTTPD_MSG_HEAD, httpd_StreamCallBack,
888 (httpd_callback_sys_t*)stream );
889 httpd_UrlCatch( stream->url, HTTPD_MSG_GET, httpd_StreamCallBack,
890 (httpd_callback_sys_t*)stream );
891 httpd_UrlCatch( stream->url, HTTPD_MSG_POST, httpd_StreamCallBack,
892 (httpd_callback_sys_t*)stream );
897 int httpd_StreamHeader( httpd_stream_t *stream, uint8_t *p_data, int i_data )
899 vlc_mutex_lock( &stream->lock );
900 free( stream->p_header );
901 stream->p_header = NULL;
903 stream->i_header = i_data;
906 stream->p_header = malloc( i_data );
907 memcpy( stream->p_header, p_data, i_data );
909 vlc_mutex_unlock( &stream->lock );
914 int httpd_StreamSend( httpd_stream_t *stream, uint8_t *p_data, int i_data )
919 if( i_data < 0 || p_data == NULL )
923 vlc_mutex_lock( &stream->lock );
925 /* save this pointer (to be used by new connection) */
926 stream->i_buffer_last_pos = stream->i_buffer_pos;
928 i_pos = stream->i_buffer_pos % stream->i_buffer_size;
934 i_copy = __MIN( i_count, stream->i_buffer_size - i_pos );
936 /* Ok, we can't go past the end of our buffer */
937 memcpy( &stream->p_buffer[i_pos], p_data, i_copy );
939 i_pos = ( i_pos + i_copy ) % stream->i_buffer_size;
944 stream->i_buffer_pos += i_data;
946 vlc_mutex_unlock( &stream->lock );
950 void httpd_StreamDelete( httpd_stream_t *stream )
952 httpd_UrlDelete( stream->url );
953 vlc_mutex_destroy( &stream->lock );
954 free( stream->psz_mime );
955 free( stream->p_header );
956 free( stream->p_buffer );
960 /*****************************************************************************
962 *****************************************************************************/
963 static void httpd_HostThread( httpd_host_t * );
965 /* create a new host */
966 httpd_host_t *httpd_HostNew( vlc_object_t *p_this, const char *psz_host,
969 return httpd_TLSHostNew( p_this, psz_host, i_port, NULL, NULL, NULL, NULL
973 static const char psz_object_type[] = "http server";
975 httpd_host_t *httpd_TLSHostNew( vlc_object_t *p_this, const char *psz_hostname,
977 const char *psz_cert, const char *psz_key,
978 const char *psz_ca, const char *psz_crl )
984 vlc_value_t lockval, ptrval;
987 if( psz_hostname == NULL )
990 psz_host = strdup( psz_hostname );
991 if( psz_host == NULL )
993 msg_Err( p_this, "memory error" );
997 /* to be sure to avoid multiple creation */
998 var_Create( p_this->p_libvlc, "httpd_mutex", VLC_VAR_MUTEX );
999 var_Create( p_this->p_libvlc, "httpd_object", VLC_VAR_ADDRESS );
1000 var_Get( p_this->p_libvlc, "httpd_mutex", &lockval );
1001 vlc_mutex_lock( lockval.p_address );
1002 var_Get( p_this->p_libvlc, "httpd_object", &ptrval );
1004 if( ptrval.p_address != NULL )
1005 httpd = ptrval.p_address;
1008 msg_Info( p_this, "creating httpd" );
1009 httpd = (httpd_t *)vlc_custom_create( p_this, sizeof (*httpd),
1014 vlc_mutex_unlock( lockval.p_address );
1022 ptrval.p_address = httpd;
1023 var_Set( p_this->p_libvlc, "httpd_object", ptrval );
1024 vlc_object_yield( httpd );
1025 vlc_object_attach( httpd, p_this->p_libvlc );
1028 /* verify if it already exist */
1029 for( i = httpd->i_host - 1; i >= 0; i-- )
1031 host = httpd->host[i];
1033 /* cannot mix TLS and non-TLS hosts */
1034 if( ( ( httpd->host[i]->p_tls != NULL ) != ( psz_cert != NULL ) )
1035 || ( host->i_port != i_port )
1036 || strcmp( host->psz_hostname, psz_hostname ) )
1042 vlc_mutex_unlock( lockval.p_address );
1048 /* determine TLS configuration */
1049 if ( psz_cert != NULL )
1051 p_tls = tls_ServerCreate( p_this, psz_cert, psz_key );
1052 if ( p_tls == NULL )
1054 msg_Err( p_this, "TLS initialization error" );
1058 if ( ( psz_ca != NULL) && tls_ServerAddCA( p_tls, psz_ca ) )
1060 msg_Err( p_this, "TLS CA error" );
1064 if ( ( psz_crl != NULL) && tls_ServerAddCRL( p_tls, psz_crl ) )
1066 msg_Err( p_this, "TLS CRL error" );
1073 /* create the new host */
1074 host = (httpd_host_t *)vlc_custom_create( p_this, sizeof (*host),
1075 VLC_OBJECT_HTTPD_HOST,
1080 vlc_object_lock( host );
1081 if( vlc_object_waitpipe( VLC_OBJECT( host ) ) == -1 )
1083 msg_Err( host, "signaling pipe error: %m" );
1084 vlc_object_unlock( host );
1087 vlc_object_unlock( host );
1089 host->httpd = httpd;
1090 vlc_mutex_init( httpd, &host->lock );
1093 host->fds = net_ListenTCP( p_this, psz_host, i_port );
1094 if( host->fds == NULL )
1096 msg_Err( p_this, "cannot create socket(s) for HTTP host" );
1099 for (host->nfd = 0; host->fds[host->nfd] != -1; host->nfd++);
1101 host->i_port = i_port;
1102 host->psz_hostname = psz_host;
1107 host->client = NULL;
1109 host->p_tls = p_tls;
1111 /* create the thread */
1112 if( vlc_thread_create( host, "httpd host thread", httpd_HostThread,
1113 VLC_THREAD_PRIORITY_LOW, false ) )
1115 msg_Err( p_this, "cannot spawn http host thread" );
1119 /* now add it to httpd */
1120 TAB_APPEND( httpd->i_host, httpd->host, host );
1121 vlc_mutex_unlock( lockval.p_address );
1127 if( httpd->i_host <= 0 )
1129 vlc_object_release( httpd );
1130 vlc_object_detach( httpd );
1131 vlc_object_release( httpd );
1133 vlc_mutex_unlock( lockval.p_address );
1137 net_ListenClose( host->fds );
1138 vlc_mutex_destroy( &host->lock );
1139 vlc_object_release( host );
1143 tls_ServerDelete( p_tls );
1149 void httpd_HostDelete( httpd_host_t *host )
1151 httpd_t *httpd = host->httpd;
1152 vlc_value_t lockval;
1155 var_Get( httpd->p_libvlc, "httpd_mutex", &lockval );
1156 vlc_mutex_lock( lockval.p_address );
1159 if( host->i_ref > 0 )
1162 vlc_mutex_unlock( lockval.p_address );
1163 msg_Dbg( host, "httpd_HostDelete: host still used" );
1166 TAB_REMOVE( httpd->i_host, httpd->host, host );
1168 vlc_object_kill( host );
1169 vlc_thread_join( host );
1171 msg_Dbg( host, "HTTP host removed" );
1173 for( i = 0; i < host->i_url; i++ )
1175 msg_Err( host, "url still registered: %s", host->url[i]->psz_url );
1177 for( i = 0; i < host->i_client; i++ )
1179 httpd_client_t *cl = host->client[i];
1180 msg_Warn( host, "client still connected" );
1181 httpd_ClientClean( cl );
1182 TAB_REMOVE( host->i_client, host->client, cl );
1188 if( host->p_tls != NULL)
1189 tls_ServerDelete( host->p_tls );
1191 net_ListenClose( host->fds );
1192 free( host->psz_hostname );
1194 vlc_mutex_destroy( &host->lock );
1195 vlc_object_release( host );
1197 vlc_object_release( httpd );
1198 if( httpd->i_host <= 0 )
1202 msg_Dbg( httpd, "no host left, stopping httpd" );
1204 ptrval.p_address = NULL;
1205 var_Set( httpd->p_libvlc, "httpd_object", ptrval );
1206 vlc_object_detach( httpd );
1207 vlc_object_release( httpd );
1210 vlc_mutex_unlock( lockval.p_address );
1213 /* register a new url */
1214 static httpd_url_t *httpd_UrlNewPrivate( httpd_host_t *host, const char *psz_url,
1215 const char *psz_user, const char *psz_password,
1216 const vlc_acl_t *p_acl, bool b_check )
1221 assert( psz_url != NULL );
1223 vlc_mutex_lock( &host->lock );
1226 for( i = 0; i < host->i_url; i++ )
1228 if( !strcmp( psz_url, host->url[i]->psz_url ) )
1230 msg_Warn( host->httpd,
1231 "cannot add '%s' (url already defined)", psz_url );
1232 vlc_mutex_unlock( &host->lock );
1238 url = malloc( sizeof( httpd_url_t ) );
1241 vlc_mutex_init( host->httpd, &url->lock );
1242 url->psz_url = strdup( psz_url );
1243 url->psz_user = strdup( psz_user ? psz_user : "" );
1244 url->psz_password = strdup( psz_password ? psz_password : "" );
1245 url->p_acl = ACL_Duplicate( host, p_acl );
1246 for( i = 0; i < HTTPD_MSG_MAX; i++ )
1248 url->catch[i].cb = NULL;
1249 url->catch[i].p_sys = NULL;
1252 TAB_APPEND( host->i_url, host->url, url );
1253 vlc_mutex_unlock( &host->lock );
1258 httpd_url_t *httpd_UrlNew( httpd_host_t *host, const char *psz_url,
1259 const char *psz_user, const char *psz_password,
1260 const vlc_acl_t *p_acl )
1262 return httpd_UrlNewPrivate( host, psz_url, psz_user,
1263 psz_password, p_acl, false );
1266 httpd_url_t *httpd_UrlNewUnique( httpd_host_t *host, const char *psz_url,
1267 const char *psz_user, const char *psz_password,
1268 const vlc_acl_t *p_acl )
1270 return httpd_UrlNewPrivate( host, psz_url, psz_user,
1271 psz_password, p_acl, true );
1274 /* register callback on a url */
1275 int httpd_UrlCatch( httpd_url_t *url, int i_msg, httpd_callback_t cb,
1276 httpd_callback_sys_t *p_sys )
1278 vlc_mutex_lock( &url->lock );
1279 url->catch[i_msg].cb = cb;
1280 url->catch[i_msg].p_sys= p_sys;
1281 vlc_mutex_unlock( &url->lock );
1287 void httpd_UrlDelete( httpd_url_t *url )
1289 httpd_host_t *host = url->host;
1292 vlc_mutex_lock( &host->lock );
1293 TAB_REMOVE( host->i_url, host->url, url );
1295 vlc_mutex_destroy( &url->lock );
1296 free( url->psz_url );
1297 free( url->psz_user );
1298 free( url->psz_password );
1299 ACL_Destroy( url->p_acl );
1301 for( i = 0; i < host->i_client; i++ )
1303 httpd_client_t *client = host->client[i];
1305 if( client->url == url )
1307 /* TODO complete it */
1308 msg_Warn( host, "force closing connections" );
1309 httpd_ClientClean( client );
1310 TAB_REMOVE( host->i_client, host->client, client );
1316 vlc_mutex_unlock( &host->lock );
1319 void httpd_MsgInit( httpd_message_t *msg )
1322 msg->i_type = HTTPD_MSG_NONE;
1323 msg->i_proto = HTTPD_PROTO_NONE;
1324 msg->i_version = -1; /* FIXME */
1328 msg->psz_url = NULL;
1329 msg->psz_args = NULL;
1331 msg->i_channel = -1;
1338 msg->i_body_offset = 0;
1343 void httpd_MsgClean( httpd_message_t *msg )
1347 free( msg->psz_url );
1348 free( msg->psz_args );
1349 for( i = 0; i < msg->i_name; i++ )
1351 free( msg->name[i] );
1352 free( msg->value[i] );
1356 free( msg->p_body );
1357 httpd_MsgInit( msg );
1360 const char *httpd_MsgGet( const httpd_message_t *msg, const char *name )
1364 for( i = 0; i < msg->i_name; i++ )
1366 if( !strcasecmp( msg->name[i], name ))
1368 return msg->value[i];
1374 void httpd_MsgAdd( httpd_message_t *msg, const char *name, const char *psz_value, ... )
1379 va_start( args, psz_value );
1380 if( vasprintf( &value, psz_value, args ) == -1 )
1387 name = strdup( name );
1394 TAB_APPEND( msg->i_name, msg->name, (char*)name );
1395 TAB_APPEND( msg->i_value, msg->value, value );
1398 static void httpd_ClientInit( httpd_client_t *cl, mtime_t now )
1400 cl->i_state = HTTPD_CLIENT_RECEIVING;
1401 cl->i_activity_date = now;
1402 cl->i_activity_timeout = INT64_C(10000000);
1403 cl->i_buffer_size = HTTPD_CL_BUFSIZE;
1405 cl->p_buffer = malloc( cl->i_buffer_size );
1406 cl->i_mode = HTTPD_CLIENT_FILE;
1407 cl->b_read_waiting = false;
1409 httpd_MsgInit( &cl->query );
1410 httpd_MsgInit( &cl->answer );
1413 void httpd_ClientModeStream( httpd_client_t *cl )
1415 cl->i_mode = HTTPD_CLIENT_STREAM;
1418 void httpd_ClientModeBidir( httpd_client_t *cl )
1420 cl->i_mode = HTTPD_CLIENT_BIDIR;
1423 char* httpd_ClientIP( const httpd_client_t *cl, char *psz_ip )
1425 return net_GetPeerAddress( cl->fd, psz_ip, NULL ) ? NULL : psz_ip;
1428 char* httpd_ServerIP( const httpd_client_t *cl, char *psz_ip )
1430 return net_GetSockAddress( cl->fd, psz_ip, NULL ) ? NULL : psz_ip;
1433 static void httpd_ClientClean( httpd_client_t *cl )
1437 if( cl->p_tls != NULL )
1438 tls_ServerSessionClose( cl->p_tls );
1439 net_Close( cl->fd );
1443 httpd_MsgClean( &cl->answer );
1444 httpd_MsgClean( &cl->query );
1446 free( cl->p_buffer );
1447 cl->p_buffer = NULL;
1450 static httpd_client_t *httpd_ClientNew( int fd, tls_session_t *p_tls, mtime_t now )
1452 httpd_client_t *cl = malloc( sizeof( httpd_client_t ) );
1454 if( !cl ) return NULL;
1461 httpd_ClientInit( cl, now );
1466 static int httpd_NetRecv( httpd_client_t *cl, uint8_t *p, int i_len )
1468 tls_session_t *p_tls;
1472 return tls_Recv( p_tls, p, i_len );
1474 return recv( cl->fd, p, i_len, 0 );
1477 static int httpd_NetSend( httpd_client_t *cl, const uint8_t *p, int i_len )
1479 tls_session_t *p_tls;
1483 return tls_Send( p_tls, p, i_len );
1485 return send( cl->fd, p, i_len, 0 );
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, "rtsp:", 5 ) )
1752 /* for rtsp url, you have rtsp://localhost:port/path */
1754 while( *p == '/' ) p++;
1755 while( *p && *p != '/' ) p++;
1757 cl->query.psz_url = strdup( p );
1758 if( ( p3 = strchr( cl->query.psz_url, '?' ) ) )
1761 cl->query.psz_args = (uint8_t *)strdup( p3 );
1768 p = strchr( p, '\n' );
1772 while( *p == '\n' || *p == '\r' )
1776 while( p && *p != '\0' )
1779 char *eol = p = strchr( p, '\n' );
1782 while( eol && eol >= line && ( *eol == '\n' || *eol == '\r' ) )
1787 if( ( colon = strchr( line, ':' ) ) )
1793 while( *colon == ' ' )
1797 name = strdup( line );
1798 value = strdup( colon );
1800 TAB_APPEND( cl->query.i_name, cl->query.name, name );
1801 TAB_APPEND( cl->query.i_value,cl->query.value,value);
1803 if( !strcasecmp( name, "Content-Length" ) )
1805 cl->query.i_body = atol( value );
1812 while( *p == '\n' || *p == '\r' )
1819 if( cl->query.i_body > 0 )
1821 /* TODO Mhh, handle the case client will only send a
1822 * request and close the connection
1823 * to mark and of body (probably only RTSP) */
1824 cl->query.p_body = malloc( cl->query.i_body );
1829 cl->i_state = HTTPD_CLIENT_RECEIVE_DONE;
1835 /* check if the client is to be set to dead */
1836 #if defined( WIN32 ) || defined( UNDER_CE )
1837 if( ( i_len < 0 && WSAGetLastError() != WSAEWOULDBLOCK ) || ( i_len == 0 ) )
1839 if( ( i_len < 0 && errno != EAGAIN && errno != EINTR ) || ( i_len == 0 ) )
1842 if( cl->query.i_proto != HTTPD_PROTO_NONE && cl->query.i_type != HTTPD_MSG_NONE )
1844 /* connection closed -> end of data */
1845 if( cl->query.i_body > 0 )
1847 cl->query.i_body = cl->i_buffer;
1849 cl->i_state = HTTPD_CLIENT_RECEIVE_DONE;
1853 cl->i_state = HTTPD_CLIENT_DEAD;
1857 /* XXX: for QT I have to disable timeout. Try to find why */
1858 if( cl->query.i_proto == HTTPD_PROTO_RTSP )
1859 cl->i_activity_timeout = 0;
1861 #if 0 /* Debugging only */
1862 if( cl->i_state == HTTPD_CLIENT_RECEIVE_DONE )
1866 fprintf( stderr, "received new request\n" );
1867 fprintf( stderr, " - proto=%s\n",
1868 cl->query.i_proto == HTTPD_PROTO_HTTP ? "HTTP" : "RTSP" );
1869 fprintf( stderr, " - version=%d\n", cl->query.i_version );
1870 fprintf( stderr, " - msg=%d\n", cl->query.i_type );
1871 if( cl->query.i_type == HTTPD_MSG_ANSWER )
1873 fprintf( stderr, " - answer=%d '%s'\n", cl->query.i_status,
1874 cl->query.psz_status );
1876 else if( cl->query.i_type != HTTPD_MSG_NONE )
1878 fprintf( stderr, " - url=%s\n", cl->query.psz_url );
1880 for( i = 0; i < cl->query.i_name; i++ )
1882 fprintf( stderr, " - option name='%s' value='%s'\n",
1883 cl->query.name[i], cl->query.value[i] );
1889 static void httpd_ClientSend( httpd_client_t *cl )
1894 if( cl->i_buffer < 0 )
1896 /* We need to create the header */
1899 const char *psz_status = httpd_ReasonFromCode( cl->answer.i_status );
1901 i_size = strlen( "HTTP/1.") + 10 + 10 + strlen( psz_status ) + 5;
1902 for( i = 0; i < cl->answer.i_name; i++ )
1904 i_size += strlen( cl->answer.name[i] ) + 2 +
1905 strlen( cl->answer.value[i] ) + 2;
1908 if( cl->i_buffer_size < i_size )
1910 cl->i_buffer_size = i_size;
1911 free( cl->p_buffer );
1912 cl->p_buffer = malloc( i_size );
1914 p = (char *)cl->p_buffer;
1916 p += sprintf( p, "%s.%u %d %s\r\n",
1917 cl->answer.i_proto == HTTPD_PROTO_HTTP ? "HTTP/1" : "RTSP/1",
1918 cl->answer.i_version,
1919 cl->answer.i_status, psz_status );
1920 for( i = 0; i < cl->answer.i_name; i++ )
1922 p += sprintf( p, "%s: %s\r\n", cl->answer.name[i],
1923 cl->answer.value[i] );
1925 p += sprintf( p, "\r\n" );
1928 cl->i_buffer_size = (uint8_t*)p - cl->p_buffer;
1930 /*fprintf( stderr, "sending answer\n" );
1931 fprintf( stderr, "%s", cl->p_buffer );*/
1934 i_len = httpd_NetSend( cl, &cl->p_buffer[cl->i_buffer],
1935 cl->i_buffer_size - cl->i_buffer );
1938 cl->i_buffer += i_len;
1940 if( cl->i_buffer >= cl->i_buffer_size )
1942 if( cl->answer.i_body == 0 && cl->answer.i_body_offset > 0 &&
1943 !cl->b_read_waiting )
1945 /* catch more body data */
1946 int i_msg = cl->query.i_type;
1947 int64_t i_offset = cl->answer.i_body_offset;
1949 httpd_MsgClean( &cl->answer );
1950 cl->answer.i_body_offset = i_offset;
1952 cl->url->catch[i_msg].cb( cl->url->catch[i_msg].p_sys, cl,
1953 &cl->answer, &cl->query );
1956 if( cl->answer.i_body > 0 )
1958 /* send the body data */
1959 free( cl->p_buffer );
1960 cl->p_buffer = cl->answer.p_body;
1961 cl->i_buffer_size = cl->answer.i_body;
1964 cl->answer.i_body = 0;
1965 cl->answer.p_body = NULL;
1970 cl->i_state = HTTPD_CLIENT_SEND_DONE;
1976 #if defined( WIN32 ) || defined( UNDER_CE )
1977 if( ( i_len < 0 && WSAGetLastError() != WSAEWOULDBLOCK ) || ( i_len == 0 ) )
1979 if( ( i_len < 0 && errno != EAGAIN && errno != EINTR ) || ( i_len == 0 ) )
1983 cl->i_state = HTTPD_CLIENT_DEAD;
1988 static void httpd_ClientTlsHsIn( httpd_client_t *cl )
1990 switch( tls_SessionContinueHandshake( cl->p_tls ) )
1993 cl->i_state = HTTPD_CLIENT_RECEIVING;
1997 cl->i_state = HTTPD_CLIENT_DEAD;
2002 cl->i_state = HTTPD_CLIENT_TLS_HS_OUT;
2006 static void httpd_ClientTlsHsOut( httpd_client_t *cl )
2008 switch( tls_SessionContinueHandshake( cl->p_tls ) )
2011 cl->i_state = HTTPD_CLIENT_RECEIVING;
2015 cl->i_state = HTTPD_CLIENT_DEAD;
2020 cl->i_state = HTTPD_CLIENT_TLS_HS_IN;
2025 static void httpd_HostThread( httpd_host_t *host )
2027 tls_session_t *p_tls = NULL;
2028 counter_t *p_total_counter = stats_CounterCreate( host, VLC_VAR_INTEGER, STATS_COUNTER );
2029 counter_t *p_active_counter = stats_CounterCreate( host, VLC_VAR_INTEGER, STATS_COUNTER );
2033 vlc_object_lock( host );
2034 evfd = vlc_object_waitpipe( VLC_OBJECT( host ) );
2035 b_die = !vlc_object_alive( host );
2036 vlc_object_unlock( host );
2040 if( host->i_url <= 0 )
2042 /* 0.2s (FIXME: use a condition variable) */
2047 /* prepare a new TLS session */
2048 if( ( p_tls == NULL ) && ( host->p_tls != NULL ) )
2049 p_tls = tls_ServerSessionPrepare( host->p_tls );
2051 struct pollfd ufd[host->nfd + host->i_client + 1];
2053 for( nfd = 0; nfd < host->nfd; nfd++ )
2055 ufd[nfd].fd = host->fds[nfd];
2056 ufd[nfd].events = POLLIN;
2057 ufd[nfd].revents = 0;
2060 /* add all socket that should be read/write and close dead connection */
2061 vlc_mutex_lock( &host->lock );
2062 mtime_t now = mdate();
2063 bool b_low_delay = false;
2065 for(int i_client = 0; i_client < host->i_client; i_client++ )
2067 httpd_client_t *cl = host->client[i_client];
2068 if( cl->i_ref < 0 || ( cl->i_ref == 0 &&
2069 ( cl->i_state == HTTPD_CLIENT_DEAD ||
2070 ( cl->i_activity_timeout > 0 &&
2071 cl->i_activity_date+cl->i_activity_timeout < now) ) ) )
2073 httpd_ClientClean( cl );
2074 stats_UpdateInteger( host, p_active_counter, -1, NULL );
2075 TAB_REMOVE( host->i_client, host->client, cl );
2081 struct pollfd *pufd = ufd + nfd;
2082 assert (pufd < ufd + (sizeof (ufd) / sizeof (ufd[0])));
2085 pufd->events = pufd->revents = 0;
2087 if( ( cl->i_state == HTTPD_CLIENT_RECEIVING )
2088 || ( cl->i_state == HTTPD_CLIENT_TLS_HS_IN ) )
2090 pufd->events = POLLIN;
2092 else if( ( cl->i_state == HTTPD_CLIENT_SENDING )
2093 || ( cl->i_state == HTTPD_CLIENT_TLS_HS_OUT ) )
2095 pufd->events = POLLOUT;
2097 else if( cl->i_state == HTTPD_CLIENT_RECEIVE_DONE )
2099 httpd_message_t *answer = &cl->answer;
2100 httpd_message_t *query = &cl->query;
2101 int i_msg = query->i_type;
2103 httpd_MsgInit( answer );
2105 /* Handle what we received */
2106 if( (cl->i_mode != HTTPD_CLIENT_BIDIR) &&
2107 (i_msg == HTTPD_MSG_ANSWER || i_msg == HTTPD_MSG_CHANNEL) )
2109 /* we can only receive request from client when not
2112 cl->i_state = HTTPD_CLIENT_DEAD;
2114 else if( i_msg == HTTPD_MSG_ANSWER )
2116 /* We are in BIDIR mode, trigger the callback and then
2117 * check for new data */
2118 if( cl->url && cl->url->catch[i_msg].cb )
2120 cl->url->catch[i_msg].cb( cl->url->catch[i_msg].p_sys,
2123 cl->i_state = HTTPD_CLIENT_WAITING;
2125 else if( i_msg == HTTPD_MSG_CHANNEL )
2127 /* We are in BIDIR mode, trigger the callback and then
2128 * check for new data */
2129 if( cl->url && cl->url->catch[i_msg].cb )
2131 cl->url->catch[i_msg].cb( cl->url->catch[i_msg].p_sys,
2134 cl->i_state = HTTPD_CLIENT_WAITING;
2136 else if( i_msg == HTTPD_MSG_OPTIONS )
2139 answer->i_type = HTTPD_MSG_ANSWER;
2140 answer->i_proto = query->i_proto;
2141 answer->i_status = 200;
2143 answer->p_body = NULL;
2145 httpd_MsgAdd( answer, "Server", "%s", PACKAGE_STRING );
2146 httpd_MsgAdd( answer, "Content-Length", "0" );
2148 switch( query->i_proto )
2150 case HTTPD_PROTO_HTTP:
2151 answer->i_version = 1;
2152 httpd_MsgAdd( answer, "Allow",
2153 "GET,HEAD,POST,OPTIONS" );
2156 case HTTPD_PROTO_RTSP:
2159 answer->i_version = 0;
2161 p = httpd_MsgGet( query, "Cseq" );
2163 httpd_MsgAdd( answer, "Cseq", "%s", p );
2164 p = httpd_MsgGet( query, "Timestamp" );
2166 httpd_MsgAdd( answer, "Timestamp", "%s", p );
2168 p = httpd_MsgGet( query, "Require" );
2171 answer->i_status = 551;
2172 httpd_MsgAdd( query, "Unsupported", "%s", p );
2175 httpd_MsgAdd( answer, "Public", "DESCRIBE,SETUP,"
2176 "TEARDOWN,PLAY,PAUSE,GET_PARAMETER" );
2181 cl->i_buffer = -1; /* Force the creation of the answer in
2182 * httpd_ClientSend */
2183 cl->i_state = HTTPD_CLIENT_SENDING;
2185 else if( i_msg == HTTPD_MSG_NONE )
2187 if( query->i_proto == HTTPD_PROTO_NONE )
2190 cl->i_state = HTTPD_CLIENT_DEAD;
2197 answer->i_proto = query->i_proto ;
2198 answer->i_type = HTTPD_MSG_ANSWER;
2199 answer->i_version= 0;
2200 answer->i_status = 501;
2202 answer->i_body = httpd_HtmlError (&p, 501, NULL);
2203 answer->p_body = (uint8_t *)p;
2204 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
2206 cl->i_buffer = -1; /* Force the creation of the answer in httpd_ClientSend */
2207 cl->i_state = HTTPD_CLIENT_SENDING;
2212 bool b_auth_failed = false;
2213 bool b_hosts_failed = false;
2215 /* Search the url and trigger callbacks */
2216 for(int i = 0; i < host->i_url; i++ )
2218 httpd_url_t *url = host->url[i];
2220 if( !strcmp( url->psz_url, query->psz_url ) )
2222 if( url->catch[i_msg].cb )
2224 if( answer && ( url->p_acl != NULL ) )
2226 char ip[NI_MAXNUMERICHOST];
2228 if( ( httpd_ClientIP( cl, ip ) == NULL )
2229 || ACL_Check( url->p_acl, ip ) )
2231 b_hosts_failed = true;
2236 if( answer && ( *url->psz_user || *url->psz_password ) )
2238 /* create the headers */
2239 const char *b64 = httpd_MsgGet( query, "Authorization" ); /* BASIC id */
2240 char *user = NULL, *pass = NULL;
2243 && !strncasecmp( b64, "BASIC", 5 ) )
2246 while( *b64 == ' ' )
2249 user = vlc_b64_decode( b64 );
2252 pass = strchr (user, ':');
2258 if ((user == NULL) || (pass == NULL)
2259 || strcmp (user, url->psz_user)
2260 || strcmp (pass, url->psz_password))
2262 httpd_MsgAdd( answer,
2264 "Basic realm=\"%s\"",
2266 /* We fail for all url */
2267 b_auth_failed = true;
2275 if( !url->catch[i_msg].cb( url->catch[i_msg].p_sys, cl, answer, query ) )
2277 if( answer->i_proto == HTTPD_PROTO_NONE )
2279 /* Raw answer from a CGI */
2280 cl->i_buffer = cl->i_buffer_size;
2285 /* only one url can answer */
2287 if( cl->url == NULL )
2300 answer->i_proto = query->i_proto;
2301 answer->i_type = HTTPD_MSG_ANSWER;
2302 answer->i_version= 0;
2304 if( b_hosts_failed )
2306 answer->i_status = 403;
2308 else if( b_auth_failed )
2310 answer->i_status = 401;
2314 /* no url registered */
2315 answer->i_status = 404;
2318 answer->i_body = httpd_HtmlError (&p,
2321 answer->p_body = (uint8_t *)p;
2323 cl->i_buffer = -1; /* Force the creation of the answer in httpd_ClientSend */
2324 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
2325 httpd_MsgAdd( answer, "Content-Type", "%s", "text/html" );
2328 cl->i_state = HTTPD_CLIENT_SENDING;
2331 else if( cl->i_state == HTTPD_CLIENT_SEND_DONE )
2333 if( cl->i_mode == HTTPD_CLIENT_FILE || cl->answer.i_body_offset == 0 )
2335 const char *psz_connection = httpd_MsgGet( &cl->answer, "Connection" );
2336 const char *psz_query = httpd_MsgGet( &cl->query, "Connection" );
2337 bool b_connection = false;
2338 bool b_keepalive = false;
2339 bool b_query = false;
2342 if( psz_connection )
2344 b_connection = ( strcasecmp( psz_connection, "Close" ) == 0 );
2345 b_keepalive = ( strcasecmp( psz_connection, "Keep-Alive" ) == 0 );
2350 b_query = ( strcasecmp( psz_query, "Close" ) == 0 );
2353 if( ( ( cl->query.i_proto == HTTPD_PROTO_HTTP ) &&
2354 ( ( cl->answer.i_version == 0 && b_keepalive ) ||
2355 ( cl->answer.i_version == 1 && !b_connection ) ) ) ||
2356 ( ( cl->query.i_proto == HTTPD_PROTO_RTSP ) &&
2357 !b_query && !b_connection ) )
2359 httpd_MsgClean( &cl->query );
2360 httpd_MsgInit( &cl->query );
2363 cl->i_buffer_size = 1000;
2364 free( cl->p_buffer );
2365 cl->p_buffer = malloc( cl->i_buffer_size );
2366 cl->i_state = HTTPD_CLIENT_RECEIVING;
2370 cl->i_state = HTTPD_CLIENT_DEAD;
2372 httpd_MsgClean( &cl->answer );
2374 else if( cl->b_read_waiting )
2376 /* we have a message waiting for us to read it */
2377 httpd_MsgClean( &cl->answer );
2378 httpd_MsgClean( &cl->query );
2381 cl->i_buffer_size = 1000;
2382 free( cl->p_buffer );
2383 cl->p_buffer = malloc( cl->i_buffer_size );
2384 cl->i_state = HTTPD_CLIENT_RECEIVING;
2385 cl->b_read_waiting = false;
2389 int64_t i_offset = cl->answer.i_body_offset;
2390 httpd_MsgClean( &cl->answer );
2392 cl->answer.i_body_offset = i_offset;
2393 free( cl->p_buffer );
2394 cl->p_buffer = NULL;
2396 cl->i_buffer_size = 0;
2398 cl->i_state = HTTPD_CLIENT_WAITING;
2401 else if( cl->i_state == HTTPD_CLIENT_WAITING )
2403 int64_t i_offset = cl->answer.i_body_offset;
2404 int i_msg = cl->query.i_type;
2406 httpd_MsgInit( &cl->answer );
2407 cl->answer.i_body_offset = i_offset;
2409 cl->url->catch[i_msg].cb( cl->url->catch[i_msg].p_sys, cl,
2410 &cl->answer, &cl->query );
2411 if( cl->answer.i_type != HTTPD_MSG_NONE )
2413 /* we have new data, so re-enter send mode */
2415 cl->p_buffer = cl->answer.p_body;
2416 cl->i_buffer_size = cl->answer.i_body;
2417 cl->answer.p_body = NULL;
2418 cl->answer.i_body = 0;
2419 cl->i_state = HTTPD_CLIENT_SENDING;
2423 /* Special for BIDIR mode we also check reading */
2424 if( cl->i_mode == HTTPD_CLIENT_BIDIR &&
2425 cl->i_state == HTTPD_CLIENT_SENDING )
2427 pufd->events |= POLLIN;
2430 if (pufd->events != 0)
2435 vlc_mutex_unlock( &host->lock );
2438 ufd[nfd].events = POLLIN;
2439 ufd[nfd].revents = 0;
2442 /* we will wait 20ms (not too big) if HTTPD_CLIENT_WAITING */
2443 switch( poll( ufd, nfd, b_low_delay ? 20 : -1) )
2448 /* Kernel on low memory or a bug: pace */
2449 msg_Err( host, "polling error: %m" );
2456 vlc_object_lock( host );
2457 if( ufd[nfd - 1].revents )
2459 b_die = !vlc_object_alive( host );
2461 b_die = vlc_object_wait( host );
2463 vlc_object_unlock( host );
2465 /* Handle client sockets */
2466 vlc_mutex_lock( &host->lock );
2468 for( int i_client = 0; i_client < host->i_client; i_client++ )
2470 httpd_client_t *cl = host->client[i_client];
2471 const struct pollfd *pufd = &ufd[host->nfd + i_client];
2473 assert( pufd < &ufd[sizeof(ufd) / sizeof(ufd[0])] );
2475 if( cl->fd != pufd->fd )
2476 continue; // we were not waiting for this client
2477 if( pufd->revents == 0 )
2478 continue; // no event received
2480 cl->i_activity_date = now;
2482 if( cl->i_state == HTTPD_CLIENT_RECEIVING )
2484 httpd_ClientRecv( cl );
2486 else if( cl->i_state == HTTPD_CLIENT_SENDING )
2488 httpd_ClientSend( cl );
2490 else if( cl->i_state == HTTPD_CLIENT_TLS_HS_IN )
2492 httpd_ClientTlsHsIn( cl );
2494 else if( cl->i_state == HTTPD_CLIENT_TLS_HS_OUT )
2496 httpd_ClientTlsHsOut( cl );
2499 if( cl->i_mode == HTTPD_CLIENT_BIDIR &&
2500 cl->i_state == HTTPD_CLIENT_SENDING &&
2501 (pufd->revents & POLLIN) )
2503 cl->b_read_waiting = true;
2506 vlc_mutex_unlock( &host->lock );
2508 /* Handle server sockets (accept new connections) */
2509 for( nfd = 0; nfd < host->nfd; nfd++ )
2513 int fd = ufd[nfd].fd;
2515 assert (fd == host->fds[nfd]);
2517 if( ufd[nfd].revents == 0 )
2521 fd = accept (fd, NULL, NULL);
2525 net_SetupSocket (fd);
2528 switch( tls_ServerSessionHandshake( p_tls, fd ) )
2531 msg_Err( host, "Rejecting TLS connection" );
2537 case 1: /* missing input - most likely */
2538 i_state = HTTPD_CLIENT_TLS_HS_IN;
2541 case 2: /* missing output */
2542 i_state = HTTPD_CLIENT_TLS_HS_OUT;
2546 if( (p_tls == NULL) != (host->p_tls == NULL) )
2547 break; // wasted TLS session, cannot accept() anymore
2550 stats_UpdateInteger( host, p_total_counter, 1, NULL );
2551 stats_UpdateInteger( host, p_active_counter, 1, NULL );
2552 cl = httpd_ClientNew( fd, p_tls, now );
2554 vlc_mutex_lock( &host->lock );
2555 TAB_APPEND( host->i_client, host->client, cl );
2556 vlc_mutex_unlock( &host->lock );
2558 cl->i_state = i_state; // override state for TLS
2560 if (host->p_tls != NULL)
2561 break; // cannot accept further without new TLS session
2567 tls_ServerSessionClose( p_tls );
2568 if( p_total_counter )
2569 stats_CounterClean( p_total_counter );
2570 if( p_active_counter )
2571 stats_CounterClean( p_active_counter );
2574 #else /* ENABLE_HTTPD */
2576 /* We just define an empty wrapper */
2577 httpd_host_t *httpd_TLSHostNew( vlc_object_t *a, const char *b,
2579 const char *e, const char *f,
2580 const char *g, const char* h)
2582 msg_Err( a, "HTTP daemon support is disabled" );
2586 httpd_host_t *httpd_HostNew( vlc_object_t *a, const char *b,
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, const char *psz_url,
2598 const char *psz_user, const char *psz_password,
2599 const vlc_acl_t *p_acl )
2604 httpd_url_t *httpd_UrlNewUnique( httpd_host_t *host, const char *psz_url,
2605 const char *psz_user, const 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( const httpd_client_t *cl, char *psz_ip )
2626 char* httpd_ServerIP( const httpd_client_t *cl, char *psz_ip )
2631 void httpd_ClientModeStream( httpd_client_t *a )
2635 void httpd_ClientModeBidir( httpd_client_t *a )
2639 httpd_file_sys_t *httpd_FileDelete( httpd_file_t *file )
2644 httpd_file_t *httpd_FileNew( httpd_host_t *host,
2645 const char *psz_url, const char *psz_mime,
2646 const char *psz_user, const char *psz_password,
2647 const vlc_acl_t *p_acl, httpd_file_callback_t pf_fill,
2648 httpd_file_sys_t *p_sys )
2653 httpd_handler_t *httpd_HandlerNew( httpd_host_t *host, const char *psz_url,
2654 const char *psz_user,
2655 const char *psz_password,
2656 const vlc_acl_t *p_acl,
2657 httpd_handler_callback_t pf_fill,
2658 httpd_handler_sys_t *p_sys )
2663 httpd_handler_sys_t *httpd_HandlerDelete( httpd_handler_t *handler )
2668 void httpd_RedirectDelete( httpd_redirect_t *a )
2672 httpd_redirect_t *httpd_RedirectNew( httpd_host_t *host, const char *psz_url_dst,
2673 const char *psz_url_src )
2678 void httpd_StreamDelete( httpd_stream_t *a )
2682 int httpd_StreamHeader( httpd_stream_t *a, uint8_t *b, int c )
2687 int httpd_StreamSend ( httpd_stream_t *a, uint8_t *b, int c )
2692 httpd_stream_t *httpd_StreamNew( httpd_host_t *host,
2693 const char *psz_url, const char *psz_mime,
2694 const char *psz_user, const char *psz_password,
2695 const vlc_acl_t *p_acl )
2700 void httpd_MsgInit ( httpd_message_t *a )
2704 void httpd_MsgAdd ( httpd_message_t *a, const char *b, const char *c, ... )
2708 const char *httpd_MsgGet( const httpd_message_t *msg, const char *name )
2713 void httpd_MsgClean( httpd_message_t *a )
2717 #endif /* ENABLE_HTTPD */