git.sesse.net Git - vlc/blob - src/misc/httpd.c

   1 /*****************************************************************************
   2  * httpd.c
   3  *****************************************************************************
   4  * Copyright (C) 2004 VideoLAN
   5  * $Id: httpd.c,v 1.1 2004/03/03 13:23:47 fenrir Exp $
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  22  *****************************************************************************/
  23
  24 #include <stdlib.h>
  25 #include <vlc/vlc.h>
  26
  27 #include "vlc_httpd.h"
  28
  29 #include <errno.h>
  30 #ifdef HAVE_UNISTD_H
  31 #   include <unistd.h>
  32 #endif
  33 #include <fcntl.h>
  34
  35 #if defined( UNDER_CE )
  36 #   include <winsock.h>
  37 #elif defined( WIN32 )
  38 #   include <winsock2.h>
  39 #   include <ws2tcpip.h>
  40 #   ifndef IN_MULTICAST
  41 #       define IN_MULTICAST(a) IN_CLASSD(a)
  42 #   endif
  43 #else
  44 #   include <netdb.h>                                         /* hostent ... */
  45 #   include <sys/socket.h>
  46 #   include <netinet/in.h>
  47 #   ifdef HAVE_ARPA_INET_H
  48 #       include <arpa/inet.h>                    /* inet_ntoa(), inet_aton() */
  49 #   endif
  50 #endif
  51
  52 #if 0
  53 typedef struct httpd_t          httpd_t;
  54
  55 typedef struct httpd_host_t     httpd_host_t;
  56 typedef struct httpd_url_t      httpd_url_t;
  57 typedef struct httpd_client_t   httpd_client_t;
  58
  59 enum
  60 {
  61     HTTPD_MSG_NONE,
  62
  63     /* answer */
  64     HTTPD_MSG_ANSWER,
  65
  66     /* channel communication */
  67     HTTPD_MSG_CHANNEL,
  68
  69     /* http request */
  70     HTTPD_MSG_GET,
  71     HTTPD_MSG_HEAD,
  72     HTTPD_MSG_POST,
  73
  74     /* rtsp request */
  75     HTTPD_MSG_OPTIONS,
  76     HTTPD_MSG_DESCRIBE,
  77     HTTPD_MSG_SETUP,
  78     HTTPD_MSG_PLAY,
  79     HTTPD_MSG_PAUSE,
  80     HTTPD_MSG_TEARDOWN,
  81
  82     /* just to track the count of MSG */
  83     HTTPD_MSG_MAX
  84 };
  85
  86 enum
  87 {
  88     HTTPD_PROTO_NONE,
  89     HTTPD_PROTO_HTTP,
  90     HTTPD_PROTO_RTSP,
  91 };
  92
  93 typedef struct
  94 {
  95     httpd_client_t *cl; /* NULL if not throught a connection e vlc internal */
  96
  97     int     i_type;
  98     int     i_proto;
  99     int     i_version;
 100
 101     /* for an answer */
 102     int     i_status;
 103     char    *psz_status;
 104
 105     /* for a query */
 106     char    *psz_url;
 107     char    *psz_args;  /* FIXME find a clean way to handle GET(psz_args) and POST(body) through the same code */
 108
 109     /* for rtp over rtsp */
 110     int     i_channel;
 111
 112     /* options */
 113     int     i_name;
 114     char    **name;
 115     int     i_value;
 116     char    **value;
 117
 118     /* body */
 119     int64_t i_body_offset;
 120     int     i_body;
 121     uint8_t *p_body;
 122
 123 } httpd_message_t;
 124
 125 typedef struct httpd_callback_sys_t httpd_callback_sys_t;
 126 /* answer could be null, int this case no answer is requested */
 127 typedef int (*httpd_callback_t)( httpd_callback_sys_t *, httpd_client_t *, httpd_message_t *answer, httpd_message_t *query );
 128
 129
 130 /* create a new host */
 131 httpd_host_t *httpd_HostNew( vlc_object_t *, char *psz_host, int i_port );
 132 /* delete a host */
 133 void          httpd_HostDelete( httpd_host_t * );
 134
 135 /* register a new url */
 136 httpd_url_t *httpd_UrlNew( httpd_host_t *, char *psz_url );
 137 /* register callback on a url */
 138 int          httpd_UrlCatch( httpd_url_t *, int i_msg,
 139                              httpd_callback_t, httpd_callback_sys_t * );
 140 /* delete an url */
 141 void         httpd_UrlDelete( httpd_url_t * );
 142
 143
 144 void         httpd_ClientModeStream( httpd_client_t *cl );
 145 void         httpd_ClientModeBidir( httpd_client_t *cl );
 146
 147 /* High level */
 148 typedef struct httpd_file_t     httpd_file_t;
 149 typedef struct httpd_file_sys_t httpd_file_sys_t;
 150 typedef int (*httpd_file_callback_t)( httpd_file_sys_t*, httpd_file_t *, uint8_t *psz_request, uint8_t **pp_data, int *pi_data );
 151 httpd_file_t *httpd_FileNew( httpd_host_t *,
 152                              char *psz_url, char *psz_mime,
 153                              char *psz_user, char *psz_password,
 154                              httpd_file_callback_t pf_fill,
 155                              httpd_file_sys_t *p_sys );
 156 void         httpd_FileDelete( httpd_file_t * );
 157
 158 typedef struct httpd_redirect_t httpd_redirect_t;
 159 httpd_redirect_t *httpd_RedirectNew( httpd_host_t *, char *psz_url_dst, char *psz_url_src );
 160 void              httpd_RedirectDelete( httpd_redirect_t * );
 161
 162 #if 0
 163 typedef struct httpd_stream_t httpd_stream_t;
 164 httpd_stream_t *httpd_StreamNew( httpd_host_t * );
 165 int             httpd_StreamHeader( httpd_stream_t *, uint8_t *p_data, int i_data );
 166 int             httpd_StreamSend( httpd_stream_t *, uint8_t *p_data, int i_data );
 167 void            httpd_StreamDelete( httpd_stream_t * );
 168 #endif
 169
 170 /* Msg functions facilities */
 171 void         httpd_MsgInit( httpd_message_t * );
 172 void         httpd_MsgAdd( httpd_message_t *, char *psz_name, char *psz_value, ... );
 173 /* return "" if not found. The string is not allocated */
 174 char        *httpd_MsgGet( httpd_message_t *, char *psz_name );
 175 void         httpd_MsgClean( httpd_message_t * );
 176 #endif
 177
 178 #if 0
 179 struct httpd_t
 180 {
 181     VLC_COMMON_MEMBERS
 182
 183     /* vlc_mutex_t  lock; */
 184     int          i_host;
 185     httpd_host_t **host;
 186 };
 187 #endif
 188
 189 /* each host run in his own thread */
 190 struct httpd_host_t
 191 {
 192     VLC_COMMON_MEMBERS
 193
 194     httpd_t     *httpd;
 195
 196     /* ref count */
 197     int         i_ref;
 198
 199     /* address/port and socket for listening at connections */
 200     struct sockaddr_in sock;
 201     int                fd;
 202
 203     vlc_mutex_t lock;
 204
 205     /* all registered url (becarefull that 2 httpd_url_t could point at the same url)
 206      * This will slow down the url research but make my live easier
 207      * All url will have their cb trigger, but only the first one can answer
 208      * */
 209     int         i_url;
 210     httpd_url_t **url;
 211
 212     int            i_client;
 213     httpd_client_t **client;
 214 };
 215
 216 struct httpd_url_t
 217 {
 218     httpd_host_t *host;
 219
 220     vlc_mutex_t lock;
 221
 222     char    *psz_url;
 223     char    *psz_user;
 224     char    *psz_password;
 225
 226     struct
 227     {
 228         httpd_callback_t     cb;
 229         httpd_callback_sys_t *p_sys;
 230     } catch[HTTPD_MSG_MAX];
 231 };
 232
 233 /* status */
 234 enum
 235 {
 236     HTTPD_CLIENT_RECEIVING,
 237     HTTPD_CLIENT_RECEIVE_DONE,
 238
 239     HTTPD_CLIENT_SENDING,
 240     HTTPD_CLIENT_SEND_DONE,
 241
 242     HTTPD_CLIENT_WAITING,
 243
 244     HTTPD_CLIENT_DEAD,
 245 };
 246 /* mode */
 247 enum
 248 {
 249     HTTPD_CLIENT_FILE,      /* default */
 250     HTTPD_CLIENT_STREAM,    /* regulary get data from cb */
 251     HTTPD_CLIENT_BIDIR,     /* check for reading and get data from cb */
 252 };
 253
 254 struct httpd_client_t
 255 {
 256     httpd_url_t *url;
 257
 258     int     i_ref;
 259
 260     struct  sockaddr_in sock;
 261     int     fd;
 262
 263     int     i_mode;
 264     int     i_state;
 265     int     b_read_waiting; /* stop as soon as possible sending */
 266
 267     mtime_t i_activity_date;
 268     mtime_t i_activity_timeout;
 269
 270     /* buffer for reading header */
 271     int     i_buffer_size;
 272     int     i_buffer;
 273     uint8_t *p_buffer;
 274
 275     /* */
 276     httpd_message_t query;  /* client -> httpd */
 277     httpd_message_t answer; /* httpd -> client */
 278 };
 279
 280
 281 /*****************************************************************************
 282  * Various functions
 283  *****************************************************************************/
 284 /*char b64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";*/
 285 static void b64_decode( char *dest, char *src )
 286 {
 287     int  i_level;
 288     int  last = 0;
 289     int  b64[256] = {
 290         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 00-0F */
 291         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 10-1F */
 292         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,62,-1,-1,-1,63,  /* 20-2F */
 293         52,53,54,55,56,57,58,59,60,61,-1,-1,-1,-1,-1,-1,  /* 30-3F */
 294         -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,  /* 40-4F */
 295         15,16,17,18,19,20,21,22,23,24,25,-1,-1,-1,-1,-1,  /* 50-5F */
 296         -1,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,  /* 60-6F */
 297         41,42,43,44,45,46,47,48,49,50,51,-1,-1,-1,-1,-1,  /* 70-7F */
 298         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 80-8F */
 299         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 90-9F */
 300         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* A0-AF */
 301         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* B0-BF */
 302         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* C0-CF */
 303         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* D0-DF */
 304         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* E0-EF */
 305         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1   /* F0-FF */
 306         };
 307
 308     for( i_level = 0; *src != '\0'; src++ )
 309     {
 310         int  c;
 311
 312         c = b64[(unsigned int)*src];
 313         if( c == -1 )
 314         {
 315             continue;
 316         }
 317
 318         switch( i_level )
 319         {
 320             case 0:
 321                 i_level++;
 322                 break;
 323             case 1:
 324                 *dest++ = ( last << 2 ) | ( ( c >> 4)&0x03 );
 325                 i_level++;
 326                 break;
 327             case 2:
 328                 *dest++ = ( ( last << 4 )&0xf0 ) | ( ( c >> 2 )&0x0f );
 329                 i_level++;
 330                 break;
 331             case 3:
 332                 *dest++ = ( ( last &0x03 ) << 6 ) | c;
 333                 i_level = 0;
 334         }
 335         last = c;
 336     }
 337
 338     *dest = '\0';
 339 }
 340
 341 static struct
 342 {
 343     char *psz_ext;
 344     char *psz_mime;
 345 } http_mime[] =
 346 {
 347     { ".htm",   "text/html" },
 348     { ".html",  "text/html" },
 349     { ".txt",   "text/plain" },
 350     { ".xml",   "text/xml" },
 351     { ".dtd",   "text/dtd" },
 352
 353     { ".css",   "text/css" },
 354
 355     /* image mime */
 356     { ".gif",   "image/gif" },
 357     { ".jpe",   "image/jpeg" },
 358     { ".jpg",   "image/jpeg" },
 359     { ".jpeg",  "image/jpeg" },
 360     { ".png",   "image/png" },
 361
 362     /* media mime */
 363     { ".avi",   "video/avi" },
 364     { ".asf",   "video/x-ms-asf" },
 365     { ".m1a",   "audio/mpeg" },
 366     { ".m2a",   "audio/mpeg" },
 367     { ".m1v",   "video/mpeg" },
 368     { ".m2v",   "video/mpeg" },
 369     { ".mp2",   "audio/mpeg" },
 370     { ".mp3",   "audio/mpeg" },
 371     { ".mpa",   "audio/mpeg" },
 372     { ".mpg",   "video/mpeg" },
 373     { ".mpeg",  "video/mpeg" },
 374     { ".mpe",   "video/mpeg" },
 375     { ".mov",   "video/quicktime" },
 376     { ".moov",  "video/quicktime" },
 377     { ".ogg",   "application/ogg" },
 378     { ".ogm",   "application/ogg" },
 379     { ".wav",   "audio/wav" },
 380     { ".wma",   "audio/x-ms-wma" },
 381     { ".wmv",   "video/x-ms-wmv" },
 382
 383
 384     /* end */
 385     { NULL,     NULL }
 386 };
 387 static char *httpd_MimeFromUrl( char *psz_url )
 388 {
 389
 390     char *psz_ext;
 391
 392     psz_ext = strrchr( psz_url, '.' );
 393     if( psz_ext )
 394     {
 395         int i;
 396
 397         for( i = 0; http_mime[i].psz_ext != NULL ; i++ )
 398         {
 399             if( !strcasecmp( http_mime[i].psz_ext, psz_ext ) )
 400             {
 401                 return http_mime[i].psz_mime;
 402             }
 403         }
 404     }
 405     return "application/octet-stream";
 406 }
 407
 408 /*****************************************************************************
 409  * High Level Funtions: httpd_file_t
 410  *****************************************************************************/
 411 struct httpd_file_t
 412 {
 413     httpd_url_t *url;
 414
 415     char *psz_url;
 416     char *psz_mime;
 417
 418     httpd_file_callback_t pf_fill;
 419     httpd_file_sys_t      *p_sys;
 420
 421 };
 422
 423
 424 static int httpd_FileCallBack( httpd_callback_sys_t *p_sys, httpd_client_t *cl, httpd_message_t *answer, httpd_message_t *query )
 425 {
 426     httpd_file_t *file = (httpd_file_t*)p_sys;
 427
 428     if( answer == NULL || query == NULL )
 429     {
 430         return VLC_SUCCESS;
 431     }
 432     answer->i_proto  = HTTPD_PROTO_HTTP;
 433     answer->i_version= query->i_version;
 434     answer->i_type   = HTTPD_MSG_ANSWER;
 435
 436     answer->i_status = 200;
 437     answer->psz_status = strdup( "OK" );
 438
 439     httpd_MsgAdd( answer, "Content-type",  "%s", file->psz_mime );
 440     httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
 441
 442     if( query->i_type != HTTPD_MSG_HEAD )
 443     {
 444         char *psz_args = query->psz_args;
 445         if( query->i_type == HTTPD_MSG_POST )
 446         {
 447             /* Check that */
 448             psz_args = query->p_body;
 449         }
 450         file->pf_fill( file->p_sys, file, psz_args, &answer->p_body, &answer->i_body );
 451     }
 452     httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
 453
 454     return VLC_SUCCESS;
 455 }
 456
 457
 458 httpd_file_t *httpd_FileNew( httpd_host_t *host,
 459                              char *psz_url, char *psz_mime,
 460                              char *psz_user, char *psz_password,
 461                              httpd_file_callback_t pf_fill,
 462                              httpd_file_sys_t *p_sys )
 463 {
 464     httpd_file_t *file = malloc( sizeof( httpd_file_t ) );
 465
 466     if( ( file->url = httpd_UrlNewUnique( host, psz_url, psz_user, psz_password ) ) == NULL )
 467     {
 468         free( file );
 469         return NULL;
 470     }
 471
 472     file->psz_url  = strdup( psz_url );
 473     if( psz_mime && *psz_mime )
 474     {
 475         file->psz_mime = strdup( psz_mime );
 476     }
 477     else
 478     {
 479         file->psz_mime = strdup( httpd_MimeFromUrl( psz_url ) );
 480     }
 481
 482     file->pf_fill = pf_fill;
 483     file->p_sys   = p_sys;
 484
 485     httpd_UrlCatch( file->url, HTTPD_MSG_HEAD, httpd_FileCallBack, (httpd_callback_sys_t*)file );
 486     httpd_UrlCatch( file->url, HTTPD_MSG_GET,  httpd_FileCallBack, (httpd_callback_sys_t*)file );
 487     httpd_UrlCatch( file->url, HTTPD_MSG_POST, httpd_FileCallBack, (httpd_callback_sys_t*)file );
 488
 489     return file;
 490 }
 491
 492 void         httpd_FileDelete( httpd_file_t *file )
 493 {
 494     httpd_UrlDelete( file->url );
 495
 496     free( file->psz_url );
 497     free( file->psz_mime );
 498
 499     free( file );
 500 }
 501
 502 /*****************************************************************************
 503  * High Level Funtions: httpd_redirect_t
 504  *****************************************************************************/
 505 struct httpd_redirect_t
 506 {
 507     httpd_url_t *url;
 508     char        *psz_dst;
 509 };
 510
 511 static int httpd_RedirectCallBack( httpd_callback_sys_t *p_sys, httpd_client_t *cl, httpd_message_t *answer, httpd_message_t *query )
 512 {
 513     httpd_redirect_t *rdir = (httpd_redirect_t*)p_sys;
 514     uint8_t *p;
 515
 516     if( answer == NULL || query == NULL )
 517     {
 518         return VLC_SUCCESS;
 519     }
 520     answer->i_proto  = query->i_proto;
 521     answer->i_version= query->i_version;
 522     answer->i_type   = HTTPD_MSG_ANSWER;
 523     answer->i_status = 301;
 524     answer->psz_status = strdup( "Moved Permanently" );
 525
 526     p = answer->p_body = malloc( 1000 + strlen( rdir->psz_dst ) );
 527     p += sprintf( p, "<html>\n" );
 528     p += sprintf( p, "<head>\n" );
 529     p += sprintf( p, "<title>Redirection</title>\n" );
 530     p += sprintf( p, "</head>\n" );
 531     p += sprintf( p, "<body>\n" );
 532     p += sprintf( p, "<h1><center>You should be <a href=\"%s\">redirected</a></center></h1>\n", rdir->psz_dst );
 533     p += sprintf( p, "<hr />\n" );
 534     p += sprintf( p, "<a href=\"http://www.videolan.org\">VideoLAN</a>\n" );
 535     p += sprintf( p, "</body>\n" );
 536     p += sprintf( p, "</html>\n" );
 537     answer->i_body = p - answer->p_body;
 538
 539     /* XXX check if it's ok or we need to set an absolute url */
 540     httpd_MsgAdd( answer, "Location",  "%s", rdir->psz_dst );
 541
 542     httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
 543
 544     return VLC_SUCCESS;
 545 }
 546
 547 httpd_redirect_t *httpd_RedirectNew( httpd_host_t *host, char *psz_url_dst, char *psz_url_src )
 548 {
 549     httpd_redirect_t *rdir = malloc( sizeof( httpd_redirect_t ) );
 550
 551     if( ( rdir->url = httpd_UrlNewUnique( host, psz_url_src, NULL, NULL ) ) == NULL )
 552     {
 553         free( rdir );
 554         return NULL;
 555     }
 556     rdir->psz_dst = strdup( psz_url_dst );
 557     /* Redirect apply for all HTTP request and RTSP DESCRIBE resquest */
 558     httpd_UrlCatch( rdir->url, HTTPD_MSG_HEAD,      httpd_RedirectCallBack, (httpd_callback_sys_t*)rdir );
 559     httpd_UrlCatch( rdir->url, HTTPD_MSG_GET,       httpd_RedirectCallBack, (httpd_callback_sys_t*)rdir );
 560     httpd_UrlCatch( rdir->url, HTTPD_MSG_POST,      httpd_RedirectCallBack, (httpd_callback_sys_t*)rdir );
 561
 562     httpd_UrlCatch( rdir->url, HTTPD_MSG_DESCRIBE,  httpd_RedirectCallBack, (httpd_callback_sys_t*)rdir );
 563
 564     return rdir;
 565 }
 566 void              httpd_RedirectDelete( httpd_redirect_t *rdir )
 567 {
 568     httpd_UrlDelete( rdir->url );
 569     free( rdir->psz_dst );
 570     free( rdir );
 571 }
 572
 573 /*****************************************************************************
 574  * High Level Funtions: httpd_stream_t
 575  *****************************************************************************/
 576 struct httpd_stream_t
 577 {
 578     vlc_mutex_t lock;
 579     httpd_url_t *url;
 580
 581     char    *psz_mime;
 582
 583     /* Header to send as first packet */
 584     uint8_t *p_header;
 585     int     i_header;
 586
 587     /* circular buffer */
 588     int         i_buffer_size;      /* buffer size, can't be reallocated smaller */
 589     uint8_t     *p_buffer;          /* buffer */
 590     int64_t     i_buffer_pos;       /* absolute position from begining */
 591     int64_t     i_buffer_last_pos;  /* a new connection will start with that */
 592 };
 593
 594 static int httpd_StreamCallBack( httpd_callback_sys_t *p_sys, httpd_client_t *cl, httpd_message_t *answer, httpd_message_t *query )
 595 {
 596     httpd_stream_t *stream = (httpd_stream_t*)p_sys;
 597
 598     if( answer == NULL || query == NULL || cl == NULL )
 599     {
 600         return VLC_SUCCESS;
 601     }
 602     if( answer->i_body_offset > 0 )
 603     {
 604         int64_t i_write;
 605         int     i_pos;
 606
 607         /* fprintf( stderr, "httpd_StreamCallBack i_body_offset=%lld\n", answer->i_body_offset ); */
 608
 609         if( answer->i_body_offset >= stream->i_buffer_pos )
 610         {
 611             /* fprintf( stderr, "httpd_StreamCallBack: no data\n" ); */
 612             return VLC_EGENERIC;    /* wait, no data available */
 613         }
 614         if( answer->i_body_offset + stream->i_buffer_size < stream->i_buffer_pos )
 615         {
 616             /* this client isn't fast enough */
 617             fprintf( stderr, "fixing i_body_offset (old=%lld new=%lld)\n",
 618                      answer->i_body_offset, stream->i_buffer_last_pos );
 619             answer->i_body_offset = stream->i_buffer_last_pos;
 620         }
 621
 622         i_pos   = answer->i_body_offset % stream->i_buffer_size;
 623         i_write = stream->i_buffer_pos - answer->i_body_offset;
 624         if( i_write > 10000 )
 625         {
 626             i_write = 10000;
 627         }
 628         else if( i_write <= 0 )
 629         {
 630             return VLC_EGENERIC;    /* wait, no data available */
 631         }
 632
 633         /* using HTTPD_MSG_ANSWER -> data available */
 634         answer->i_proto  = HTTPD_PROTO_HTTP;
 635         answer->i_version= 0;
 636         answer->i_type   = HTTPD_MSG_ANSWER;
 637
 638         answer->i_body = i_write;
 639         answer->p_body = malloc( i_write );
 640         memcpy( answer->p_body, &stream->p_buffer[i_pos], i_write );
 641
 642         answer->i_body_offset += i_write;
 643
 644         return VLC_SUCCESS;
 645     }
 646     else
 647     {
 648         answer->i_proto  = HTTPD_PROTO_HTTP;
 649         answer->i_version= 0;
 650         answer->i_type   = HTTPD_MSG_ANSWER;
 651
 652         answer->i_status = 200;
 653         answer->psz_status = strdup( "OK" );
 654
 655         if( query->i_type != HTTPD_MSG_HEAD )
 656         {
 657             httpd_ClientModeStream( cl );
 658             vlc_mutex_lock( &stream->lock );
 659             /* Send the header */
 660             if( stream->i_header > 0 )
 661             {
 662                 answer->i_body = stream->i_header;
 663                 answer->p_body = malloc( stream->i_header );
 664                 memcpy( answer->p_body, stream->p_header, stream->i_header );
 665             }
 666             answer->i_body_offset = stream->i_buffer_last_pos;
 667             vlc_mutex_unlock( &stream->lock );
 668         }
 669         else
 670         {
 671             httpd_MsgAdd( answer, "Content-Length", "%d", 0 );
 672         }
 673
 674         if( !strcmp( stream->psz_mime, "video/x-ms-asf-stream" ) )
 675         {
 676             vlc_bool_t b_xplaystream = VLC_FALSE;
 677             int i;
 678
 679             httpd_MsgAdd( answer, "Content-type", "%s", "application/octet-stream" );
 680             httpd_MsgAdd( answer, "Server", "Cougar 4.1.0.3921" );
 681             httpd_MsgAdd( answer, "Pragma", "no-cache" );
 682             httpd_MsgAdd( answer, "Pragma", "client-id=%d", rand()&0x7fff );
 683             httpd_MsgAdd( answer, "Pragma", "features=\"broadcast\"" );
 684
 685             /* Check if there is a xPlayStrm=1 */
 686             for( i = 0; i < query->i_name; i++ )
 687             {
 688                 if( !strcasecmp( query->name[i],  "Pragma" ) &&
 689                     !strcasecmp( query->value[i], "xPlayStrm=1" ) )
 690                 {
 691                     b_xplaystream = VLC_TRUE;
 692                 }
 693             }
 694
 695             if( !b_xplaystream )
 696             {
 697                 answer->i_body_offset = 0;
 698             }
 699         }
 700         else
 701         {
 702             httpd_MsgAdd( answer, "Content-type",  "%s", stream->psz_mime );
 703         }
 704         httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
 705         return VLC_SUCCESS;
 706     }
 707 }
 708
 709 httpd_stream_t *httpd_StreamNew( httpd_host_t *host,
 710                                  char *psz_url, char *psz_mime,
 711                                  char *psz_user, char *psz_password )
 712 {
 713     httpd_stream_t *stream = malloc( sizeof( httpd_stream_t ) );
 714
 715     if( ( stream->url = httpd_UrlNewUnique( host, psz_url, psz_user, psz_password ) ) == NULL )
 716     {
 717         free( stream );
 718         return NULL;
 719     }
 720     vlc_mutex_init( host, &stream->lock );
 721     if( psz_mime && *psz_mime )
 722     {
 723         stream->psz_mime = strdup( psz_mime );
 724     }
 725     else
 726     {
 727         stream->psz_mime = strdup( httpd_MimeFromUrl( psz_url ) );
 728     }
 729     stream->i_header = 0;
 730     stream->p_header = NULL;
 731     stream->i_buffer_size = 5000000;    /* 5 Mo per stream */
 732     stream->p_buffer = malloc( stream->i_buffer_size );
 733     /* We set to 1, to make life simpler (this way i_body_offset can never be 0) */
 734     stream->i_buffer_pos = 1;
 735     stream->i_buffer_last_pos = 1;
 736
 737     httpd_UrlCatch( stream->url, HTTPD_MSG_HEAD, httpd_StreamCallBack, (httpd_callback_sys_t*)stream );
 738     httpd_UrlCatch( stream->url, HTTPD_MSG_GET,  httpd_StreamCallBack, (httpd_callback_sys_t*)stream );
 739     httpd_UrlCatch( stream->url, HTTPD_MSG_POST, httpd_StreamCallBack, (httpd_callback_sys_t*)stream );
 740
 741     return stream;
 742 }
 743
 744 int  httpd_StreamHeader( httpd_stream_t *stream, uint8_t *p_data, int i_data )
 745 {
 746     vlc_mutex_lock( &stream->lock );
 747     if( stream->p_header )
 748     {
 749         free( stream->p_header );
 750         stream->p_header = NULL;
 751     }
 752     stream->i_header = i_data;
 753     if( i_data > 0 )
 754     {
 755         stream->p_header = malloc( i_data );
 756         memcpy( stream->p_header, p_data, i_data );
 757     }
 758     vlc_mutex_unlock( &stream->lock );
 759
 760     return VLC_SUCCESS;
 761 }
 762
 763 int  httpd_StreamSend( httpd_stream_t *stream, uint8_t *p_data, int i_data )
 764 {
 765     int i_count;
 766     int i_pos;
 767
 768     if( i_data < 0 || p_data == NULL )
 769     {
 770         return VLC_SUCCESS;
 771     }
 772     vlc_mutex_lock( &stream->lock );
 773
 774     /* save this pointer (to be used by new connection) */
 775     stream->i_buffer_last_pos = stream->i_buffer_pos;
 776
 777     i_pos = stream->i_buffer_pos % stream->i_buffer_size;
 778     i_count = i_data;
 779     while( i_count > 0)
 780     {
 781         int i_copy;
 782
 783         i_copy = __MIN( i_count, stream->i_buffer_size - i_pos );
 784
 785         /* Ok, we can't go past the end of our buffer */
 786         memcpy( &stream->p_buffer[i_pos], p_data, i_copy );
 787
 788         i_pos = ( i_pos + i_copy ) % stream->i_buffer_size;
 789         i_count -= i_copy;
 790         p_data  += i_copy;
 791     }
 792
 793     stream->i_buffer_pos += i_data;
 794
 795     vlc_mutex_unlock( &stream->lock );
 796     return VLC_SUCCESS;
 797 }
 798
 799 void httpd_StreamDelete( httpd_stream_t *stream )
 800 {
 801     httpd_UrlDelete( stream->url );
 802     vlc_mutex_destroy( &stream->lock );
 803     if( stream->psz_mime ) free( stream->psz_mime );
 804     if( stream->p_header ) free( stream->p_header );
 805     if( stream->p_buffer ) free( stream->p_buffer );
 806     free( stream );
 807 }
 808
 809
 810 /*****************************************************************************
 811  * Low level
 812  *****************************************************************************/
 813 #define LISTEN_BACKLOG          100
 814
 815 #if defined( WIN32 ) || defined( UNDER_CE )
 816 #define SOCKET_CLOSE(a)    closesocket(a)
 817 #else
 818 #define SOCKET_CLOSE(a)    close(a)
 819 #endif
 820
 821 static void httpd_HostThread( httpd_host_t * );
 822 static int BuildAddr( struct sockaddr_in * p_socket,
 823                       const char * psz_address, int i_port );
 824
 825
 826 /* create a new host */
 827 httpd_host_t *httpd_HostNew( vlc_object_t *p_this, char *psz_host, int i_port )
 828 {
 829     httpd_t      *httpd;
 830     httpd_host_t *host;
 831     vlc_value_t lockval;
 832     struct sockaddr_in sock;
 833     int i;
 834
 835     /* resolv */
 836     if( BuildAddr( &sock, psz_host, i_port ) )
 837     {
 838         msg_Err( p_this, "cannot build address for %s:%d", psz_host, i_port );
 839         return NULL;
 840     }
 841
 842     /* to be sure to avoid multiple creation */
 843     var_Create( p_this->p_libvlc, "httpd_mutex", VLC_VAR_MUTEX );
 844     var_Get( p_this->p_libvlc, "httpd_mutex", &lockval );
 845     vlc_mutex_lock( lockval.p_address );
 846
 847     if( ( httpd = vlc_object_find( p_this, VLC_OBJECT_HTTPD, FIND_ANYWHERE ) ) == NULL )
 848     {
 849         msg_Info( p_this, "creating httpd" );
 850         if( ( httpd = vlc_object_create( p_this, VLC_OBJECT_HTTPD ) ) == NULL )
 851         {
 852             vlc_mutex_unlock( lockval.p_address );
 853             return NULL;
 854         }
 855
 856         httpd->i_host = 0;
 857         httpd->host   = NULL;
 858
 859         vlc_object_yield( httpd );
 860         vlc_object_attach( httpd, p_this->p_vlc );
 861     }
 862
 863     /* verify if it already exist */
 864     for( i = 0; i < httpd->i_host; i++ )
 865     {
 866         if( httpd->host[i]->sock.sin_port == sock.sin_port &&
 867             ( httpd->host[i]->sock.sin_addr.s_addr == INADDR_ANY ||
 868               httpd->host[i]->sock.sin_addr.s_addr == sock.sin_addr.s_addr ) )
 869         {
 870             /* yep found */
 871             host = httpd->host[i];
 872             host->i_ref++;
 873
 874             vlc_mutex_unlock( lockval.p_address );
 875
 876             msg_Dbg( p_this, "host already registered" );
 877             return host;
 878         }
 879     }
 880     /* create the new host */
 881     host = vlc_object_create( p_this, sizeof( httpd_host_t ) );
 882     host->httpd = httpd;
 883     vlc_mutex_init( httpd, &host->lock );
 884     host->i_ref = 1;
 885     memcpy( &host->sock, &sock, sizeof( struct sockaddr_in ) );
 886     host->i_url     = 0;
 887     host->url       = NULL;
 888     host->i_client  = 0;
 889     host->client    = NULL;
 890
 891     /* create the listening socket */
 892     if( ( host->fd = socket( AF_INET, SOCK_STREAM, 0 ) ) < 0 )
 893     {
 894         goto socket_error;
 895     }
 896     /* reuse socket */
 897     i = 1;
 898     if( setsockopt( host->fd, SOL_SOCKET, SO_REUSEADDR,
 899                     (void *) &i, sizeof( i ) ) < 0 )
 900     {
 901         msg_Warn( p_this, "cannot configure socket (SO_REUSEADDR)" );
 902     }
 903     /* bind it */
 904     if( bind( host->fd, (struct sockaddr *)&host->sock, sizeof( struct sockaddr_in ) ) < 0 )
 905     {
 906         msg_Err( p_this, "cannot bind socket" );
 907         goto socket_error;
 908     }
 909     /* set to non-blocking */
 910 #if defined( WIN32 ) || defined( UNDER_CE )
 911     {
 912         unsigned long i_dummy = 1;
 913         if( ioctlsocket( host->fd, FIONBIO, &i_dummy ) != 0 )
 914         {
 915             msg_Err( p_this, "cannot set socket to non-blocking mode" );
 916             goto socket_error;
 917         }
 918     }
 919 #else
 920     {
 921         unsigned int i_flags;
 922         if( ( i_flags = fcntl( host->fd, F_GETFL, 0 ) ) < 0 )
 923         {
 924             msg_Err( p_this, "cannot F_GETFL socket" );
 925             goto socket_error;
 926         }
 927         if( fcntl( host->fd, F_SETFL, i_flags | O_NONBLOCK ) < 0 )
 928         {
 929             msg_Err( p_this, "cannot F_SETFL O_NONBLOCK" );
 930             goto socket_error;
 931         }
 932     }
 933 #endif
 934     /* listen */
 935     if( listen( host->fd, LISTEN_BACKLOG ) < 0 )
 936     {
 937         msg_Err( p_this, "cannot listen socket" );
 938         goto socket_error;
 939     }
 940
 941     /* create the thread */
 942     if( vlc_thread_create( host, "httpd host thread",
 943                            httpd_HostThread, VLC_THREAD_PRIORITY_LOW, VLC_FALSE ) )
 944     {
 945         msg_Err( p_this, "cannot spawn http host thread" );
 946         goto socket_error;
 947     }
 948
 949     /* now add it to httpd */
 950     TAB_APPEND( httpd->i_host, httpd->host, host );
 951     vlc_mutex_unlock( lockval.p_address );
 952
 953     return host;
 954
 955 socket_error:
 956     vlc_mutex_unlock( lockval.p_address );
 957
 958     if( host->fd > 0 )
 959     {
 960         SOCKET_CLOSE( host->fd );
 961     }
 962     vlc_mutex_destroy( &host->lock );
 963     vlc_object_destroy( host );
 964
 965     /* TODO destroy no more used httpd TODO */
 966     vlc_object_release( httpd );
 967     return NULL;
 968 }
 969
 970 /* delete a host */
 971 void          httpd_HostDelete( httpd_host_t *host )
 972 {
 973     httpd_t *httpd = host->httpd;
 974     vlc_value_t lockval;
 975     int i;
 976
 977     msg_Dbg( host, "httpd_HostDelete" );
 978
 979     var_Get( httpd->p_libvlc, "httpd_mutex", &lockval );
 980     vlc_mutex_lock( lockval.p_address );
 981
 982     vlc_object_release( httpd );
 983
 984     host->i_ref--;
 985     if( host->i_ref > 0 )
 986     {
 987         /* still used */
 988         vlc_mutex_unlock( lockval.p_address );
 989         msg_Dbg( host, "httpd_HostDelete: host still used" );
 990         return;
 991     }
 992     TAB_REMOVE( httpd->i_host, httpd->host, host );
 993
 994     msg_Dbg( host, "httpd_HostDelete: host removed from http" );
 995
 996     host->b_die = 1;
 997     vlc_thread_join( host );
 998
 999     msg_Dbg( host, "httpd_HostDelete: host thread joined" );
1000
1001     for( i = 0; i < host->i_url; i++ )
1002     {
1003         msg_Err( host, "url still registered:%s", host->url[i]->psz_url );
1004     }
1005     for( i = 0; i < host->i_client; i++ )
1006     {
1007         httpd_client_t *cl = host->client[i];
1008         msg_Warn( host, "client still connected" );
1009         SOCKET_CLOSE( cl->fd );
1010         /* TODO */
1011     }
1012
1013     SOCKET_CLOSE( host->fd );
1014     vlc_mutex_destroy( &host->lock );
1015     vlc_object_destroy( host );
1016
1017     if( httpd->i_host <= 0 )
1018     {
1019         msg_Info( httpd, "httpd doesn't reference any host, deleting" );
1020         vlc_object_detach( httpd );
1021         vlc_object_destroy( httpd );
1022     }
1023     vlc_mutex_unlock( lockval.p_address );
1024 }
1025
1026 /* register a new url */
1027 static httpd_url_t *httpd_UrlNewPrivate( httpd_host_t *host, char *psz_url, char *psz_user, char *psz_password, vlc_bool_t b_check )
1028 {
1029     httpd_url_t *url;
1030     int         i;
1031
1032     vlc_mutex_lock( &host->lock );
1033     if( b_check )
1034     {
1035         for( i = 0; i < host->i_url; i++ )
1036         {
1037             if( !strcmp( psz_url, host->url[i]->psz_url ) )
1038             {
1039                 msg_Warn( host->httpd,
1040                           "cannot add '%s' (url already defined)", psz_url );
1041                 vlc_mutex_unlock( &host->lock );
1042                 return NULL;
1043             }
1044         }
1045     }
1046
1047     url = malloc( sizeof( httpd_url_t ) );
1048     url->host = host;
1049
1050     vlc_mutex_init( host->httpd, &url->lock );
1051     url->psz_url = strdup( psz_url );
1052     url->psz_user = strdup( psz_user ? psz_user : "" );
1053     url->psz_password = strdup( psz_password ? psz_password : "" );
1054     for( i = 0; i < HTTPD_MSG_MAX; i++ )
1055     {
1056         url->catch[i].cb = NULL;
1057         url->catch[i].p_sys = NULL;
1058     }
1059
1060     TAB_APPEND( host->i_url, host->url, url );
1061     vlc_mutex_unlock( &host->lock );
1062
1063     return url;
1064 }
1065
1066 httpd_url_t *httpd_UrlNew( httpd_host_t *host, char *psz_url, char *psz_user, char *psz_password )
1067 {
1068     return httpd_UrlNewPrivate( host, psz_url, psz_user, psz_password, VLC_FALSE );
1069 }
1070
1071 httpd_url_t *httpd_UrlNewUnique( httpd_host_t *host, char *psz_url, char *psz_user, char *psz_password )
1072 {
1073     return httpd_UrlNewPrivate( host, psz_url, psz_user, psz_password, VLC_TRUE );
1074 }
1075
1076 /* register callback on a url */
1077 int          httpd_UrlCatch( httpd_url_t *url, int i_msg,
1078                              httpd_callback_t cb,
1079                              httpd_callback_sys_t *p_sys )
1080 {
1081     vlc_mutex_lock( &url->lock );
1082     url->catch[i_msg].cb   = cb;
1083     url->catch[i_msg].p_sys= p_sys;
1084     vlc_mutex_unlock( &url->lock );
1085
1086     return VLC_SUCCESS;
1087 }
1088
1089
1090 /* delete an url */
1091 void         httpd_UrlDelete( httpd_url_t *url )
1092 {
1093     httpd_host_t *host = url->host;
1094     int          i;
1095
1096     vlc_mutex_lock( &host->lock );
1097     TAB_REMOVE( host->i_url, host->url, url );
1098
1099     vlc_mutex_destroy( &url->lock );
1100     free( url->psz_url );
1101     free( url->psz_user );
1102     free( url->psz_password );
1103
1104     for( i = 0; i < host->i_client; i++ )
1105     {
1106         httpd_client_t *client = host->client[i];
1107
1108         if( client->url == url )
1109         {
1110             /* TODO complete it */
1111             msg_Warn( host, "force closing connections" );
1112             SOCKET_CLOSE( client->fd );
1113             TAB_REMOVE( host->i_client, host->client, client );
1114             i--;
1115         }
1116     }
1117     vlc_mutex_unlock( &host->lock );
1118 }
1119
1120 void httpd_MsgInit( httpd_message_t *msg )
1121 {
1122     msg->cl         = NULL;
1123     msg->i_type     = HTTPD_MSG_NONE;
1124     msg->i_proto    = HTTPD_PROTO_NONE;
1125     msg->i_version  = -1;
1126
1127     msg->i_status   = 0;
1128     msg->psz_status = NULL;
1129
1130     msg->psz_url = NULL;
1131     msg->psz_args = NULL;
1132
1133     msg->i_channel = -1;
1134
1135     msg->i_name = 0;
1136     msg->name   = NULL;
1137     msg->i_value= 0;
1138     msg->value  = NULL;
1139
1140     msg->i_body_offset = 0;
1141     msg->i_body        = 0;
1142     msg->p_body        = 0;
1143 }
1144
1145 void httpd_MsgClean( httpd_message_t *msg )
1146 {
1147     int i;
1148
1149     if( msg->psz_status )
1150     {
1151         free( msg->psz_status );
1152     }
1153     if( msg->psz_url )
1154     {
1155         free( msg->psz_url );
1156     }
1157     if( msg->psz_args )
1158     {
1159         free( msg->psz_args );
1160     }
1161     for( i = 0; i < msg->i_name; i++ )
1162     {
1163         free( msg->name[i] );
1164         free( msg->value[i] );
1165     }
1166     if( msg->name )
1167     {
1168         free( msg->name );
1169     }
1170     if( msg->value )
1171     {
1172         free( msg->value );
1173     }
1174     if( msg->p_body )
1175     {
1176         free( msg->p_body );
1177     }
1178     httpd_MsgInit( msg );
1179 }
1180
1181 char *httpd_MsgGet( httpd_message_t *msg, char *name )
1182 {
1183     int i;
1184
1185     for( i = 0; i < msg->i_name; i++ )
1186     {
1187         if( !strcasecmp( msg->name[i], name ))
1188         {
1189             return msg->value[i];
1190         }
1191     }
1192     return "";
1193 }
1194 void httpd_MsgAdd( httpd_message_t *msg, char *name, char *psz_value, ... )
1195 {
1196     va_list args;
1197     char *value = NULL;
1198
1199     va_start( args, psz_value );
1200 #if defined(HAVE_VASPRINTF) && !defined(SYS_DARWIN) && !defined(SYS_BEOS)
1201     vasprintf( &value, psz_value, args );
1202 #else
1203     {
1204         int i_size = strlen( psz_value ) + 4096;    /* FIXME stupid system */
1205         value = calloc( i_size, sizeof( char ) );
1206         vsnprintf( value, i_size, psz_value, args );
1207         value[i_size - 1] = 0;
1208     }
1209 #endif
1210     va_end( args );
1211
1212     name = strdup( name );
1213
1214     TAB_APPEND( msg->i_name,  msg->name,  name );
1215     TAB_APPEND( msg->i_value, msg->value, value );
1216 }
1217
1218 static void httpd_ClientInit( httpd_client_t *cl )
1219 {
1220     cl->i_state = HTTPD_CLIENT_RECEIVING;
1221     cl->i_activity_date = mdate();
1222     cl->i_activity_timeout = 1500000000LL;
1223     cl->i_buffer_size = 10000;
1224     cl->i_buffer = 0;
1225     cl->p_buffer = malloc( cl->i_buffer_size );
1226     cl->i_mode   = HTTPD_CLIENT_FILE;
1227     cl->b_read_waiting = VLC_FALSE;
1228
1229     httpd_MsgInit( &cl->query );
1230     httpd_MsgInit( &cl->answer );
1231 }
1232 void httpd_ClientModeStream( httpd_client_t *cl )
1233 {
1234     cl->i_mode   = HTTPD_CLIENT_STREAM;
1235 }
1236 void httpd_ClientModeBidir( httpd_client_t *cl )
1237 {
1238     cl->i_mode   = HTTPD_CLIENT_BIDIR;
1239 }
1240
1241 static void httpd_ClientClean( httpd_client_t *cl )
1242 {
1243     if( cl->fd > 0 )
1244     {
1245         SOCKET_CLOSE( cl->fd );
1246     }
1247
1248     httpd_MsgClean( &cl->answer );
1249     httpd_MsgClean( &cl->query );
1250
1251     if( cl->p_buffer )
1252     {
1253         free( cl->p_buffer );
1254     }
1255 }
1256
1257 static httpd_client_t *httpd_ClientNew( int fd, struct sockaddr_in *sock )
1258 {
1259     httpd_client_t *cl = malloc( sizeof( httpd_client_t ) );
1260     /* set this new socket non-block */
1261 #if defined( WIN32 ) || defined( UNDER_CE )
1262     {
1263         unsigned long i_dummy = 1;
1264         ioctlsocket( fd, FIONBIO, &i_dummy );
1265     }
1266 #else
1267     fcntl( fd, F_SETFL, O_NONBLOCK );
1268 #endif
1269     cl->i_ref   = 0;
1270     cl->fd      = fd;
1271     cl->sock    = *sock;
1272     cl->url     = NULL;
1273
1274     httpd_ClientInit( cl );
1275
1276     return cl;
1277 }
1278
1279 static void httpd_ClientRecv( httpd_client_t *cl )
1280 {
1281     int i_len;
1282
1283     if( cl->query.i_proto == HTTPD_PROTO_NONE )
1284     {
1285         /* enought to see if it's rtp over rtsp or RTSP/HTTP */
1286         i_len = recv( cl->fd, &cl->p_buffer[cl->i_buffer], 4 - cl->i_buffer, 0 );
1287
1288         if( i_len > 0 )
1289         {
1290             cl->i_buffer += i_len;
1291         }
1292
1293         if( cl->i_buffer >= 4 )
1294         {
1295             fprintf( stderr, "peek=%4.4s\n", cl->p_buffer );
1296             /* detect type */
1297             if( cl->p_buffer[0] == '$' )
1298             {
1299                 /* RTSP (rtp over rtsp) */
1300                 cl->query.i_proto = HTTPD_PROTO_RTSP;
1301                 cl->query.i_type  = HTTPD_MSG_CHANNEL;
1302                 cl->query.i_channel = cl->p_buffer[1];
1303                 cl->query.i_body  = (cl->p_buffer[2] << 8)|cl->p_buffer[3];
1304                 cl->query.p_body  = malloc( cl->query.i_body );
1305
1306                 cl->i_buffer      = 0;
1307             }
1308             else if( !strncmp( cl->p_buffer, "HTTP", 4 ) )
1309             {
1310                 cl->query.i_proto = HTTPD_PROTO_HTTP;
1311                 cl->query.i_type  = HTTPD_MSG_ANSWER;
1312             }
1313             else if( !strncmp( cl->p_buffer, "RTSP", 4 ) )
1314             {
1315                 cl->query.i_proto = HTTPD_PROTO_RTSP;
1316                 cl->query.i_type  = HTTPD_MSG_ANSWER;
1317             }
1318             else if( !strncmp( cl->p_buffer, "GET", 3 ) || !strncmp( cl->p_buffer, "HEAD", 4 ) || !strncmp( cl->p_buffer, "POST", 4 ) )
1319             {
1320                 cl->query.i_proto = HTTPD_PROTO_HTTP;
1321                 cl->query.i_type  = HTTPD_MSG_NONE;
1322             }
1323             else
1324             {
1325                 cl->query.i_proto = HTTPD_PROTO_RTSP;
1326                 cl->query.i_type  = HTTPD_MSG_NONE;
1327             }
1328         }
1329     }
1330     else if( cl->query.i_body > 0 )
1331     {
1332         /* we are reading the body of a request or a channel */
1333         i_len = recv( cl->fd, &cl->query.p_body[cl->i_buffer], cl->query.i_body - cl->i_buffer, 0 );
1334         if( i_len > 0 )
1335         {
1336             cl->i_buffer += i_len;
1337         }
1338         if( cl->i_buffer >= cl->query.i_body )
1339         {
1340             cl->i_state = HTTPD_CLIENT_RECEIVE_DONE;
1341         }
1342     }
1343     else
1344     {
1345         /* we are reading a header -> char by char */
1346         for( ;; )
1347         {
1348             i_len = recv( cl->fd, &cl->p_buffer[cl->i_buffer], 1, 0 );
1349             if( i_len <= 0 )
1350             {
1351                 break;
1352             }
1353             cl->i_buffer++;
1354
1355             if( cl->i_buffer + 1 >= cl->i_buffer_size )
1356             {
1357                 cl->i_buffer_size += 1024;
1358                 cl->p_buffer = realloc( cl->p_buffer, cl->i_buffer_size );
1359             }
1360             if( ( cl->i_buffer >= 2 && !strncmp( &cl->p_buffer[cl->i_buffer-2], "\n\n", 2 ) )||
1361                 ( cl->i_buffer >= 4 && !strncmp( &cl->p_buffer[cl->i_buffer-4], "\r\n\r\n", 4 ) ) )
1362             {
1363                 char *p;
1364
1365                 /* we have finished the header so parse it and set i_body */
1366                 cl->p_buffer[cl->i_buffer] = '\0';
1367
1368                 if( cl->query.i_type == HTTPD_MSG_ANSWER )
1369                 {
1370                     cl->query.i_status = strtol( &cl->p_buffer[strlen( "HTTP/1.x" )], &p, 0 );
1371                     while( *p == ' ' )
1372                     {
1373                         p++;
1374                     }
1375                     cl->query.psz_status = strdup( p );
1376                 }
1377                 else
1378                 {
1379                     static const struct
1380                     {
1381                         char *name;
1382                         int  i_type;
1383                         int  i_proto;
1384                     }
1385                     msg_type[] =
1386                     {
1387                         { "GET",        HTTPD_MSG_GET,  HTTPD_PROTO_HTTP },
1388                         { "HEAD",       HTTPD_MSG_HEAD, HTTPD_PROTO_HTTP },
1389                         { "POST",       HTTPD_MSG_POST, HTTPD_PROTO_HTTP },
1390
1391                         { "OPTIONS",    HTTPD_MSG_OPTIONS,  HTTPD_PROTO_RTSP },
1392                         { "DESCRIBE",   HTTPD_MSG_DESCRIBE, HTTPD_PROTO_RTSP },
1393                         { "SETUP",      HTTPD_MSG_SETUP,    HTTPD_PROTO_RTSP },
1394                         { "PLAY",       HTTPD_MSG_PLAY,     HTTPD_PROTO_RTSP },
1395                         { "PAUSE",      HTTPD_MSG_PAUSE,    HTTPD_PROTO_RTSP },
1396                         { "TEARDOWN",   HTTPD_MSG_TEARDOWN, HTTPD_PROTO_RTSP },
1397
1398                         { NULL,         HTTPD_MSG_NONE,     HTTPD_PROTO_NONE }
1399                     };
1400                     int  i;
1401
1402                     p = NULL;
1403                     cl->query.i_type = HTTPD_MSG_NONE;
1404
1405                     fprintf( stderr, "received new request=%s\n", cl->p_buffer);
1406
1407                     for( i = 0; msg_type[i].name != NULL; i++ )
1408                     {
1409                         if( !strncmp( cl->p_buffer, msg_type[i].name, strlen( msg_type[i].name ) ) )
1410                         {
1411                             p = &cl->p_buffer[strlen(msg_type[i].name) + 1 ];
1412                             cl->query.i_type = msg_type[i].i_type;
1413                             if( cl->query.i_proto != msg_type[i].i_proto )
1414                             {
1415                                 p = NULL;
1416                                 cl->query.i_proto = HTTPD_PROTO_NONE;
1417                                 cl->query.i_type = HTTPD_MSG_NONE;
1418                             }
1419                             break;
1420                         }
1421                     }
1422                     if( p == NULL )
1423                     {
1424                         if( strstr( cl->p_buffer, "HTTP/1." ) )
1425                         {
1426                             cl->query.i_proto = HTTPD_PROTO_HTTP;
1427                         }
1428                         else if( strstr( cl->p_buffer, "RTSP/1." ) )
1429                         {
1430                             cl->query.i_proto = HTTPD_PROTO_RTSP;
1431                         }
1432                     }
1433                     else
1434                     {
1435                         char *p2;
1436                         char *p3;
1437
1438                         while( *p == ' ' )
1439                         {
1440                             p++;
1441                         }
1442                         p2 = strchr( p, ' ' );
1443                         if( p2 )
1444                         {
1445                             *p2++ = '\0';
1446                         }
1447                         if( !strncasecmp( p, "rtsp:", 5 ) )
1448                         {
1449                             /* for rtsp url, you have rtsp://localhost:port/path */
1450                             p += 5;
1451                             while( *p == '/' ) p++;
1452                             while( *p && *p != '/' ) p++;
1453                         }
1454                         cl->query.psz_url = strdup( p );
1455                         if( ( p3 = strchr( cl->query.psz_url, '?' ) )  )
1456                         {
1457                             *p3++ = '\0';
1458                             cl->query.psz_args = strdup( p3 );
1459                         }
1460                         if( p2 )
1461                         {
1462                             while( *p2 == ' ' )
1463                             {
1464                                 p2++;
1465                             }
1466                             if( !strncasecmp( p2, "HTTP/1.", 7 ) )
1467                             {
1468                                 cl->query.i_proto = HTTPD_PROTO_HTTP;
1469                                 cl->query.i_version = atoi( p2+7 );
1470                             }
1471                             else if( !strncasecmp( p2, "RTSP/1.", 7 ) )
1472                             {
1473                                 cl->query.i_proto = HTTPD_PROTO_RTSP;
1474                                 cl->query.i_version = atoi( p2+7 );
1475                             }
1476                         }
1477                         p = p2;
1478                     }
1479                 }
1480                 if( p )
1481                 {
1482                     p = strchr( p, '\n' );
1483                 }
1484                 if( p )
1485                 {
1486                     while( *p == '\n' || *p == '\r' )
1487                     {
1488                         p++;
1489                     }
1490                     while( p && *p != '\0' )
1491                     {
1492                         char *line = p;
1493                         char *eol = p = strchr( p, '\n' );
1494                         char *colon;
1495
1496                         while( eol && eol >= line && ( *eol == '\n' || *eol == '\r' ) )
1497                         {
1498                             *eol-- = '\0';
1499                         }
1500
1501                         if( ( colon = strchr( line, ':' ) ) )
1502                         {
1503                             char *name;
1504                             char *value;
1505
1506                             *colon++ = '\0';
1507                             while( *colon == ' ' )
1508                             {
1509                                 colon++;
1510                             }
1511                             name = strdup( line );
1512                             value = strdup( colon );
1513
1514                             TAB_APPEND( cl->query.i_name, cl->query.name, name );
1515                             TAB_APPEND( cl->query.i_value,cl->query.value,value);
1516
1517                             if( !strcasecmp( name, "Content-Length" ) )
1518                             {
1519                                 cl->query.i_body = atol( value );
1520                             }
1521                         }
1522
1523                         if( p )
1524                         {
1525                             p++;
1526                             while( *p == '\n' || *p == '\r' )
1527                             {
1528                                 p++;
1529                             }
1530                         }
1531                     }
1532                 }
1533                 if( cl->query.i_body > 0 )
1534                 {
1535                     /* TODO Mhh, handle the case client will only send a request and close the connection
1536                      * to mark and of body (probably only RTSP) */
1537                     cl->query.p_body = malloc( cl->query.i_body );
1538                     cl->i_buffer = 0;
1539                 }
1540                 else
1541                 {
1542                     cl->i_state = HTTPD_CLIENT_RECEIVE_DONE;
1543                 }
1544             }
1545         }
1546     }
1547
1548     /* check if the client is to be set to dead */
1549 #if defined( WIN32 ) || defined( UNDER_CE )
1550     if( ( i_len < 0 && WSAGetLastError() != WSAEWOULDBLOCK ) || ( i_len == 0 ) )
1551 #else
1552     if( ( i_len < 0 && errno != EAGAIN && errno != EINTR ) || ( i_len == 0 ) )
1553 #endif
1554     {
1555         if( cl->query.i_proto != HTTPD_PROTO_NONE && cl->query.i_type != HTTPD_MSG_NONE )
1556         {
1557             /* connection closed -> end of data */
1558             if( cl->query.i_body > 0 )
1559             {
1560                 cl->query.i_body = cl->i_buffer;
1561             }
1562             cl->i_state = HTTPD_CLIENT_RECEIVE_DONE;
1563         }
1564         else
1565         {
1566             cl->i_state = HTTPD_CLIENT_DEAD;
1567         }
1568     }
1569     cl->i_activity_date = mdate();
1570
1571     /* Debugging only */
1572     if( cl->i_state == HTTPD_CLIENT_RECEIVE_DONE )
1573     {
1574         int i;
1575
1576         fprintf( stderr, "received new request\n" );
1577         fprintf( stderr, "  - proto=%s\n", cl->query.i_proto == HTTPD_PROTO_HTTP ? "HTTP" : "RTSP" );
1578         fprintf( stderr, "  - version=%d\n", cl->query.i_version );
1579         fprintf( stderr, "  - msg=%d\n", cl->query.i_type );
1580         if( cl->query.i_type == HTTPD_MSG_ANSWER )
1581         {
1582             fprintf( stderr, "  - answer=%d '%s'\n", cl->query.i_status, cl->query.psz_status );
1583         }
1584         else if( cl->query.i_type != HTTPD_MSG_NONE )
1585         {
1586             fprintf( stderr, "  - url=%s\n", cl->query.psz_url );
1587         }
1588         for( i = 0; i < cl->query.i_name; i++ )
1589         {
1590             fprintf( stderr, "  - option name='%s' value='%s'\n", cl->query.name[i], cl->query.value[i] );
1591         }
1592     }
1593 }
1594
1595 static void httpd_ClientSend( httpd_client_t *cl )
1596 {
1597     int i;
1598     int i_len;
1599
1600     if( cl->i_buffer < 0 )
1601     {
1602         /* We need to create the header */
1603         int i_size = 0;
1604         char *p;
1605
1606         i_size = strlen( "HTTP/1.") + 10 + 10 +
1607                  strlen( cl->answer.psz_status ? cl->answer.psz_status : "" ) + 5;
1608         for( i = 0; i < cl->answer.i_name; i++ )
1609         {
1610             i_size += strlen( cl->answer.name[i] ) + 2 + strlen( cl->answer.value[i] ) + 2;
1611         }
1612
1613         if( cl->i_buffer_size < i_size )
1614         {
1615             cl->i_buffer_size = i_size;
1616             free( cl->p_buffer );
1617             cl->p_buffer = malloc( i_size );
1618         }
1619         p = cl->p_buffer;
1620
1621         p += sprintf( p, "%s/1.%d %d %s\r\n",
1622                       cl->answer.i_proto ==  HTTPD_PROTO_HTTP ? "HTTP" : "RTSP",
1623                       cl->answer.i_version,
1624                       cl->answer.i_status, cl->answer.psz_status );
1625         for( i = 0; i < cl->answer.i_name; i++ )
1626         {
1627             p += sprintf( p, "%s: %s\r\n", cl->answer.name[i], cl->answer.value[i] );
1628         }
1629         p += sprintf( p, "\r\n" );
1630
1631         cl->i_buffer = 0;
1632         cl->i_buffer_size = (uint8_t*)p - cl->p_buffer;
1633
1634         fprintf( stderr, "sending answer\n" );
1635         fprintf( stderr, "%s",  cl->p_buffer );
1636     }
1637
1638     i_len = send( cl->fd, &cl->p_buffer[cl->i_buffer], cl->i_buffer_size - cl->i_buffer, 0 );
1639     if( i_len > 0 )
1640     {
1641         cl->i_activity_date = mdate();
1642         cl->i_buffer += i_len;
1643
1644         if( cl->i_buffer >= cl->i_buffer_size )
1645         {
1646             if( cl->answer.i_body == 0  && cl->answer.i_body_offset > 0 && !cl->b_read_waiting )
1647             {
1648                 /* catch more body data */
1649                 int i_msg = cl->query.i_type;
1650                 cl->url->catch[i_msg].cb( cl->url->catch[i_msg].p_sys, cl,
1651                                           &cl->answer, &cl->query );
1652             }
1653
1654             if( cl->answer.i_body > 0 )
1655             {
1656                 /* send the body data */
1657                 free( cl->p_buffer );
1658                 cl->p_buffer = cl->answer.p_body;
1659                 cl->i_buffer_size = cl->answer.i_body;
1660                 cl->i_buffer = 0;
1661
1662                 cl->answer.i_body = 0;
1663                 cl->answer.p_body = NULL;
1664             }
1665             else
1666             {
1667                 /* send finished */
1668                 cl->i_state = HTTPD_CLIENT_SEND_DONE;
1669             }
1670         }
1671     }
1672     else
1673     {
1674 #if defined( WIN32 ) || defined( UNDER_CE )
1675         if( ( i_len < 0 && WSAGetLastError() != WSAEWOULDBLOCK ) || ( i_len == 0 ) )
1676 #else
1677         if( ( i_len < 0 && errno != EAGAIN && errno != EINTR ) || ( i_len == 0 ) )
1678 #endif
1679         {
1680             /* error */
1681             cl->i_state = HTTPD_CLIENT_DEAD;
1682         }
1683     }
1684 }
1685
1686 static void httpd_HostThread( httpd_host_t *host )
1687 {
1688     while( !host->b_die )
1689     {
1690         struct timeval  timeout;
1691         fd_set          fds_read;
1692         fd_set          fds_write;
1693         int             i_handle_max = 0;
1694         int             i_ret;
1695         int             i_client;
1696         int             b_low_delay = 0;
1697
1698         if( host->i_url <= 0 )
1699         {
1700             /* 0.2s */
1701             msleep( 200000 );
1702             continue;
1703         }
1704
1705         /* built a set of handle to select */
1706         FD_ZERO( &fds_read );
1707         FD_ZERO( &fds_write );
1708
1709         FD_SET( host->fd, &fds_read );
1710         i_handle_max = host->fd;
1711
1712         /* add all socket that should be read/write and close dead connection */
1713         vlc_mutex_lock( &host->lock );
1714         for( i_client = 0; i_client < host->i_client; i_client++ )
1715         {
1716             httpd_client_t *cl = host->client[i_client];
1717
1718             if( cl->i_ref < 0 ||
1719                 ( cl->i_ref == 0 &&
1720                     ( cl->i_state == HTTPD_CLIENT_DEAD ||
1721                       cl->i_activity_date + cl->i_activity_timeout < mdate() ) ) )
1722             {
1723                 msg_Dbg( host, "connection closed(%s)", inet_ntoa(cl->sock.sin_addr) );
1724
1725                 httpd_ClientClean( cl );
1726
1727                 TAB_REMOVE( host->i_client, host->client, cl );
1728                 i_client--;
1729             }
1730             else if( cl->i_state == HTTPD_CLIENT_RECEIVING )
1731             {
1732                 FD_SET( cl->fd, &fds_read );
1733                 i_handle_max = __MAX( i_handle_max, cl->fd );
1734             }
1735             else if( cl->i_state == HTTPD_CLIENT_SENDING )
1736             {
1737                 FD_SET( cl->fd, &fds_write );
1738                 i_handle_max = __MAX( i_handle_max, cl->fd );
1739             }
1740             else if( cl->i_state == HTTPD_CLIENT_RECEIVE_DONE )
1741             {
1742                 httpd_message_t *answer = &cl->answer;
1743                 httpd_message_t *query  = &cl->query;
1744                 int i_msg = query->i_type;
1745
1746                 httpd_MsgInit( answer );
1747
1748                 /* Handle what we received */
1749                 if( cl->i_mode != HTTPD_CLIENT_BIDIR && ( i_msg == HTTPD_MSG_ANSWER || i_msg == HTTPD_MSG_CHANNEL ) )
1750                 {
1751                     /* we can only receive request from client when not in BIDIR mode */
1752                     cl->url     = NULL;
1753                     cl->i_state = HTTPD_CLIENT_DEAD;
1754                 }
1755                 else if( i_msg == HTTPD_MSG_ANSWER )
1756                 {
1757                     /* We are in BIDIR mode, trigger the callback and then check for new data */
1758                     if( cl->url && cl->url->catch[i_msg].cb )
1759                     {
1760                         cl->url->catch[i_msg].cb( cl->url->catch[i_msg].p_sys, cl, NULL, query );
1761                     }
1762                     cl->i_state = HTTPD_CLIENT_WAITING;
1763                 }
1764                 else if( i_msg == HTTPD_MSG_CHANNEL )
1765                 {
1766                     /* We are in BIDIR mode, trigger the callback and then check for new data */
1767                     if( cl->url && cl->url->catch[i_msg].cb )
1768                     {
1769                         cl->url->catch[i_msg].cb( cl->url->catch[i_msg].p_sys, cl, NULL, query );
1770                     }
1771                     cl->i_state = HTTPD_CLIENT_WAITING;
1772                 }
1773                 else if( i_msg == HTTPD_MSG_OPTIONS )
1774                 {
1775                     int i_cseq;
1776
1777                     /* unimplemented */
1778                     answer->i_proto  = query->i_proto ;
1779                     answer->i_type   = HTTPD_MSG_ANSWER;
1780                     answer->i_version= 0;
1781                     answer->i_status = 200;
1782                     answer->psz_status = strdup( "Ok" );
1783
1784                     answer->i_body = 0;
1785                     answer->p_body = NULL;
1786
1787                     i_cseq = atoi( httpd_MsgGet( query, "Cseq" ) );
1788                     httpd_MsgAdd( answer, "Cseq", "%d", i_cseq );
1789                     httpd_MsgAdd( answer, "Server", "VLC Server" );
1790                     httpd_MsgAdd( answer, "Public", "DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE" );
1791                     httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1792
1793                     cl->i_buffer = -1;  /* Force the creation of the answer in httpd_ClientSend */
1794                     cl->i_state = HTTPD_CLIENT_SENDING;
1795                 }
1796                 else if( i_msg == HTTPD_MSG_NONE )
1797                 {
1798                     if( query->i_proto == HTTPD_PROTO_NONE )
1799                     {
1800                         cl->url = NULL;
1801                         cl->i_state = HTTPD_CLIENT_DEAD;
1802                     }
1803                     else
1804                     {
1805                         uint8_t *p;
1806
1807                         /* unimplemented */
1808                         answer->i_proto  = query->i_proto ;
1809                         answer->i_type   = HTTPD_MSG_ANSWER;
1810                         answer->i_version= 0;
1811                         answer->i_status = 501;
1812                         answer->psz_status = strdup( "Unimplemented" );
1813
1814                         p = answer->p_body = malloc( 1000 );
1815
1816                         p += sprintf( p, "<html>\n" );
1817                         p += sprintf( p, "<head>\n" );
1818                         p += sprintf( p, "<title>Error 501</title>\n" );
1819                         p += sprintf( p, "</head>\n" );
1820                         p += sprintf( p, "<body>\n" );
1821                         p += sprintf( p, "<h1><center> 501 Unimplemented</center></h1>\n" );
1822                         p += sprintf( p, "<hr />\n" );
1823                         p += sprintf( p, "<a href=\"http://www.videolan.org\">VideoLAN</a>\n" );
1824                         p += sprintf( p, "</body>\n" );
1825                         p += sprintf( p, "</html>\n" );
1826
1827                         answer->i_body = p - answer->p_body;
1828                         httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1829
1830                         cl->i_buffer = -1;  /* Force the creation of the answer in httpd_ClientSend */
1831                         cl->i_state = HTTPD_CLIENT_SENDING;
1832                     }
1833                 }
1834                 else
1835                 {
1836                     vlc_bool_t b_auth_failed = VLC_FALSE;
1837                     int i;
1838
1839                     /* Search the url and trigger callbacks */
1840                     for( i = 0; i < host->i_url; i++ )
1841                     {
1842                         httpd_url_t *url = host->url[i];
1843
1844                         if( !strcmp( url->psz_url, query->psz_url ) )
1845                         {
1846                             if( url->catch[i_msg].cb )
1847                             {
1848                                 if( answer && ( *url->psz_user || *url->psz_password ) )
1849                                 {
1850                                     /* create the headers */
1851                                     char id[strlen(url->psz_user)+strlen(url->psz_password) + 2];
1852                                     char *b64 = httpd_MsgGet( query, "Authorization" ); /* BASIC id */
1853                                     char auth[strlen(b64) +1];
1854
1855                                     sprintf( id, "%s:%s", url->psz_user, url->psz_password );
1856                                     if( !strncasecmp( b64, "BASIC", 5 ) )
1857                                     {
1858                                         b64 += 5;
1859                                         while( *b64 == ' ' )
1860                                         {
1861                                             b64++;
1862                                         }
1863                                         b64_decode( auth, b64 );
1864                                     }
1865                                     else
1866                                     {
1867                                         strcpy( auth, "" );
1868                                     }
1869                                     if( strcmp( id, auth ) )
1870                                     {
1871                                         httpd_MsgAdd( answer, "WWW-Authenticate", "Basic realm=\"%s\"", url->psz_user );
1872                                         /* We fail for all url */
1873                                         b_auth_failed = VLC_TRUE;
1874                                         break;
1875                                     }
1876                                 }
1877
1878                                 if( !url->catch[i_msg].cb( url->catch[i_msg].p_sys, cl, answer, query ) )
1879                                 {
1880                                     /* only one url can answer */
1881                                     answer = NULL;
1882                                     if( cl->url == NULL )
1883                                     {
1884                                         cl->url = url;
1885                                     }
1886                                 }
1887                             }
1888                         }
1889                     }
1890                     if( answer )
1891                     {
1892                         uint8_t *p;
1893
1894                         answer->i_proto  = query->i_proto;
1895                         answer->i_type   = HTTPD_MSG_ANSWER;
1896                         answer->i_version= 0;
1897                         p = answer->p_body = malloc( 1000 + strlen(query->psz_url) );
1898
1899                         if( b_auth_failed )
1900                         {
1901                             answer->i_status = 401;
1902                             answer->psz_status = strdup( "Authorization Required" );
1903
1904                             p += sprintf( p, "<html>\n" );
1905                             p += sprintf( p, "<head>\n" );
1906                             p += sprintf( p, "<title>Error 401</title>\n" );
1907                             p += sprintf( p, "</head>\n" );
1908                             p += sprintf( p, "<body>\n" );
1909                             p += sprintf( p, "<h1><center> 401 Authorization Required (%s)</center></h1>\n", query->psz_url );
1910                             p += sprintf( p, "<hr />\n" );
1911                             p += sprintf( p, "<a href=\"http://www.videolan.org\">VideoLAN</a>\n" );
1912                             p += sprintf( p, "</body>\n" );
1913                             p += sprintf( p, "</html>\n" );
1914                         }
1915                         else
1916                         {
1917                             /* no url registered */
1918                             answer->i_status = 404;
1919                             answer->psz_status = strdup( "Not found" );
1920
1921                             p += sprintf( p, "<html>\n" );
1922                             p += sprintf( p, "<head>\n" );
1923                             p += sprintf( p, "<title>Error 404</title>\n" );
1924                             p += sprintf( p, "</head>\n" );
1925                             p += sprintf( p, "<body>\n" );
1926                             p += sprintf( p, "<h1><center> 404 Ressource not found(%s)</center></h1>\n", query->psz_url );
1927                             p += sprintf( p, "<hr />\n" );
1928                             p += sprintf( p, "<a href=\"http://www.videolan.org\">VideoLAN</a>\n" );
1929                             p += sprintf( p, "</body>\n" );
1930                             p += sprintf( p, "</html>\n" );
1931                         }
1932
1933                         answer->i_body = p - answer->p_body;
1934                         httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1935                     }
1936                     cl->i_buffer = -1;  /* Force the creation of the answer in httpd_ClientSend */
1937                     cl->i_state = HTTPD_CLIENT_SENDING;
1938                 }
1939             }
1940             else if( cl->i_state == HTTPD_CLIENT_SEND_DONE )
1941             {
1942                 if( cl->i_mode == HTTPD_CLIENT_FILE )
1943                 {
1944                     cl->url = NULL;
1945                     if( ( cl->query.i_proto == HTTPD_PROTO_HTTP &&
1946                           ( !strcasecmp( httpd_MsgGet( &cl->query, "Connection" ), "Keep-Alive" )||
1947                           ( cl->answer.i_version == 1 && strcasecmp( httpd_MsgGet( &cl->query, "Connection" ), "Close" ) ) ) ) ||
1948                         ( cl->query.i_proto == HTTPD_PROTO_RTSP &&
1949                           strcasecmp( httpd_MsgGet( &cl->query, "Connection" ), "Close" ) &&
1950                           strcasecmp( httpd_MsgGet( &cl->answer, "Connection" ), "Close" ) ) )
1951                     {
1952                         httpd_MsgClean( &cl->query );
1953                         httpd_MsgInit( &cl->query );
1954
1955                         cl->i_buffer = 0;
1956                         cl->i_buffer_size = 1000;
1957                         free( cl->p_buffer );
1958                         cl->p_buffer = malloc( cl->i_buffer_size );
1959                         cl->i_state = HTTPD_CLIENT_RECEIVING;
1960                     }
1961                     else
1962                     {
1963                         cl->i_state = HTTPD_CLIENT_DEAD;
1964                     }
1965                     httpd_MsgClean( &cl->answer );
1966                 }
1967                 else if( cl->b_read_waiting )
1968                 {
1969                     /* we have a message waiting for us to read it */
1970                     httpd_MsgClean( &cl->answer );
1971                     httpd_MsgClean( &cl->query );
1972
1973                     cl->i_buffer = 0;
1974                     cl->i_buffer_size = 1000;
1975                     free( cl->p_buffer );
1976                     cl->p_buffer = malloc( cl->i_buffer_size );
1977                     cl->i_state = HTTPD_CLIENT_RECEIVING;
1978                     cl->b_read_waiting = VLC_FALSE;
1979                 }
1980                 else
1981                 {
1982                     int64_t i_offset = cl->answer.i_body_offset;
1983                     httpd_MsgClean( &cl->answer );
1984
1985                     cl->answer.i_body_offset = i_offset;
1986                     cl->i_state = HTTPD_CLIENT_WAITING;
1987                 }
1988             }
1989             else if( cl->i_state == HTTPD_CLIENT_WAITING )
1990             {
1991                 int64_t i_offset = cl->answer.i_body_offset;
1992                 int     i_msg = cl->query.i_type;
1993
1994                 httpd_MsgInit( &cl->answer );
1995                 cl->answer.i_body_offset = i_offset;
1996
1997                 cl->url->catch[i_msg].cb( cl->url->catch[i_msg].p_sys, cl, &cl->answer, &cl->query );
1998                 if( cl->answer.i_type != HTTPD_MSG_NONE )
1999                 {
2000                     /* we have new data, so reenter send mode */
2001                     cl->i_buffer      = 0;
2002                     cl->p_buffer      = cl->answer.p_body;
2003                     cl->i_buffer_size = cl->answer.i_body;
2004                     cl->answer.p_body = NULL;
2005                     cl->answer.i_body = 0;
2006                     cl->i_state = HTTPD_CLIENT_SENDING;
2007                 }
2008                 else
2009                 {
2010                     /* we shouldn't wait too long */
2011                     b_low_delay = VLC_TRUE;
2012                 }
2013             }
2014
2015             /* Special for BIDIR mode we also check reading */
2016             if( cl->i_mode == HTTPD_CLIENT_BIDIR && cl->i_state == HTTPD_CLIENT_SENDING )
2017             {
2018                 FD_SET( cl->fd, &fds_read );
2019                 i_handle_max = __MAX( i_handle_max, cl->fd );
2020             }
2021         }
2022         vlc_mutex_unlock( &host->lock );
2023
2024         /* we will wait 100ms or 20ms (not too big 'cause HTTPD_CLIENT_WAITING) */
2025         timeout.tv_sec = 0;
2026         timeout.tv_usec = b_low_delay ? 20000 : 100000;
2027
2028         i_ret = select( i_handle_max + 1,
2029                         &fds_read, &fds_write, NULL, &timeout );
2030
2031         if( i_ret == -1 && errno != EINTR )
2032         {
2033             msg_Warn( host, "cannot select sockets" );
2034             msleep( 1000 );
2035             continue;
2036         }
2037         else if( i_ret <= 0 )
2038         {
2039             continue;
2040         }
2041
2042         /* accept new connections */
2043         if( FD_ISSET( host->fd, &fds_read ) )
2044         {
2045             int     i_sock_size = sizeof( struct sockaddr_in );
2046             struct  sockaddr_in sock;
2047             int     fd;
2048
2049             fd = accept( host->fd, (struct sockaddr *)&sock, &i_sock_size );
2050             if( fd > 0 )
2051             {
2052                 httpd_client_t *cl = httpd_ClientNew( fd, &sock );
2053
2054                 vlc_mutex_lock( &host->lock );
2055                 TAB_APPEND( host->i_client, host->client, cl );
2056                 vlc_mutex_unlock( &host->lock );
2057
2058                 msg_Dbg( host, "new connection (%s)", inet_ntoa(sock.sin_addr) );
2059             }
2060         }
2061         /* now try all others socket */
2062         vlc_mutex_lock( &host->lock );
2063         for( i_client = 0; i_client < host->i_client; i_client++ )
2064         {
2065             httpd_client_t *cl = host->client[i_client];
2066             if( cl->i_state == HTTPD_CLIENT_RECEIVING )
2067             {
2068                 httpd_ClientRecv( cl );
2069             }
2070             else if( cl->i_state == HTTPD_CLIENT_SENDING )
2071             {
2072                 httpd_ClientSend( cl );
2073             }
2074
2075             if( cl->i_mode == HTTPD_CLIENT_BIDIR && cl->i_state == HTTPD_CLIENT_SENDING &&
2076                 FD_ISSET( cl->fd, &fds_read ) )
2077             {
2078                 cl->b_read_waiting = VLC_TRUE;
2079             }
2080         }
2081         vlc_mutex_unlock( &host->lock );
2082     }
2083 }
2084
2085
2086
2087
2088
2089 static int BuildAddr( struct sockaddr_in * p_socket,
2090                       const char * psz_address, int i_port )
2091 {
2092     /* Reset struct */
2093     memset( p_socket, 0, sizeof( struct sockaddr_in ) );
2094     p_socket->sin_family = AF_INET;                                /* family */
2095     p_socket->sin_port = htons( (uint16_t)i_port );
2096     if( !*psz_address )
2097     {
2098         p_socket->sin_addr.s_addr = INADDR_ANY;
2099     }
2100     else
2101     {
2102         struct hostent    * p_hostent;
2103
2104         /* Try to convert address directly from in_addr - this will work if
2105          * psz_address is dotted decimal. */
2106 #ifdef HAVE_ARPA_INET_H
2107         if( !inet_aton( psz_address, &p_socket->sin_addr ) )
2108 #else
2109         p_socket->sin_addr.s_addr = inet_addr( psz_address );
2110         if( p_socket->sin_addr.s_addr == INADDR_NONE )
2111 #endif
2112         {
2113             /* We have a fqdn, try to find its address */
2114             if ( (p_hostent = gethostbyname( psz_address )) == NULL )
2115             {
2116                 return( -1 );
2117             }
2118
2119             /* Copy the first address of the host in the socket address */
2120             memcpy( &p_socket->sin_addr, p_hostent->h_addr_list[0],
2121                      p_hostent->h_length );
2122         }
2123     }
2124     return( 0 );
2125 }