stream/network.c

   1 /*
   2  * Network layer for MPlayer
   3  *
   4  * Copyright (C) 2001 Bertrand Baudet <bertrand_baudet@yahoo.com>
   5  *
   6  * This file is part of MPlayer.
   7  *
   8  * MPlayer is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * MPlayer is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License along
  19  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  20  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  21  */
  22
  23 //#define DUMP2FILE
  24
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #include <string.h>
  28 #include <unistd.h>
  29
  30 #include <errno.h>
  31 #include <ctype.h>
  32
  33 #include "config.h"
  34
  35 #include "mp_msg.h"
  36 #include "help_mp.h"
  37
  38 #if HAVE_WINSOCK2_H
  39 #include <winsock2.h>
  40 #include <ws2tcpip.h>
  41 #endif
  42
  43 #include "stream.h"
  44 #include "libmpdemux/demuxer.h"
  45 #include "m_config.h"
  46
  47 #include "network.h"
  48 #include "tcp.h"
  49 #include "http.h"
  50 #include "cookies.h"
  51 #include "url.h"
  52
  53 #include "version.h"
  54
  55 extern int stream_cache_size;
  56
  57 /* Variables for the command line option -user, -passwd, -bandwidth,
  58    -user-agent and -nocookies */
  59
  60 char *network_username=NULL;
  61 char *network_password=NULL;
  62 int   network_bandwidth=0;
  63 int   network_cookies_enabled = 0;
  64 char *network_useragent=NULL;
  65
  66 /* IPv6 options */
  67 int   network_ipv4_only_proxy = 0;
  68
  69
  70 const mime_struct_t mime_type_table[] = {
  71         // MP3 streaming, some MP3 streaming server answer with audio/mpeg
  72         { "audio/mpeg", DEMUXER_TYPE_AUDIO },
  73         // MPEG streaming
  74         { "video/mpeg", DEMUXER_TYPE_UNKNOWN },
  75         { "video/x-mpeg", DEMUXER_TYPE_UNKNOWN },
  76         { "video/x-mpeg2", DEMUXER_TYPE_UNKNOWN },
  77         // AVI ??? => video/x-msvideo
  78         { "video/x-msvideo", DEMUXER_TYPE_AVI },
  79         // MOV => video/quicktime
  80         { "video/quicktime", DEMUXER_TYPE_MOV },
  81         // ASF
  82         { "audio/x-ms-wax", DEMUXER_TYPE_ASF },
  83         { "audio/x-ms-wma", DEMUXER_TYPE_ASF },
  84         { "video/x-ms-asf", DEMUXER_TYPE_ASF },
  85         { "video/x-ms-afs", DEMUXER_TYPE_ASF },
  86         { "video/x-ms-wmv", DEMUXER_TYPE_ASF },
  87         { "video/x-ms-wma", DEMUXER_TYPE_ASF },
  88         { "application/x-mms-framed", DEMUXER_TYPE_ASF },
  89         { "application/vnd.ms.wms-hdr.asfv1", DEMUXER_TYPE_ASF },
  90         { "application/octet-stream", DEMUXER_TYPE_UNKNOWN },
  91         // Playlists
  92         { "video/x-ms-wmx", DEMUXER_TYPE_PLAYLIST },
  93         { "video/x-ms-wvx", DEMUXER_TYPE_PLAYLIST },
  94         { "audio/x-scpls", DEMUXER_TYPE_PLAYLIST },
  95         { "audio/x-mpegurl", DEMUXER_TYPE_PLAYLIST },
  96         { "audio/x-pls", DEMUXER_TYPE_PLAYLIST },
  97         // Real Media
  98 //      { "audio/x-pn-realaudio", DEMUXER_TYPE_REAL },
  99         // OGG Streaming
 100         { "application/x-ogg", DEMUXER_TYPE_OGG },
 101         // NullSoft Streaming Video
 102         { "video/nsv", DEMUXER_TYPE_NSV},
 103         { "misc/ultravox", DEMUXER_TYPE_NSV},
 104 #ifdef CONFIG_LIBAVFORMAT
 105         // Flash Video
 106         { "video/x-flv", DEMUXER_TYPE_LAVF},
 107 #endif
 108         { NULL, DEMUXER_TYPE_UNKNOWN},
 109 };
 110
 111
 112 streaming_ctrl_t *
 113 streaming_ctrl_new(void) {
 114         streaming_ctrl_t *streaming_ctrl;
 115         streaming_ctrl = malloc(sizeof(streaming_ctrl_t));
 116         if( streaming_ctrl==NULL ) {
 117                 mp_tmsg(MSGT_NETWORK,MSGL_FATAL,"Memory allocation failed.\n");
 118                 return NULL;
 119         }
 120         memset( streaming_ctrl, 0, sizeof(streaming_ctrl_t) );
 121         return streaming_ctrl;
 122 }
 123
 124 void
 125 streaming_ctrl_free( streaming_ctrl_t *streaming_ctrl ) {
 126         if( streaming_ctrl==NULL ) return;
 127         if( streaming_ctrl->url ) url_free( streaming_ctrl->url );
 128         if( streaming_ctrl->buffer ) free( streaming_ctrl->buffer );
 129         if( streaming_ctrl->data ) free( streaming_ctrl->data );
 130         free( streaming_ctrl );
 131 }
 132
 133 URL_t*
 134 check4proxies( URL_t *url ) {
 135         URL_t *url_out = NULL;
 136         if( url==NULL ) return NULL;
 137         url_out = url_new( url->url );
 138         if( !strcasecmp(url->protocol, "http_proxy") ) {
 139                 mp_msg(MSGT_NETWORK,MSGL_V,"Using HTTP proxy: http://%s:%d\n", url->hostname, url->port );
 140                 return url_out;
 141         }
 142         // Check if the http_proxy environment variable is set.
 143         if( !strcasecmp(url->protocol, "http") ) {
 144                 char *proxy;
 145                 proxy = getenv("http_proxy");
 146                 if( proxy!=NULL ) {
 147                         // We got a proxy, build the URL to use it
 148                         int len;
 149                         char *new_url;
 150                         URL_t *tmp_url;
 151                         URL_t *proxy_url = url_new( proxy );
 152
 153                         if( proxy_url==NULL ) {
 154                                 mp_tmsg(MSGT_NETWORK,MSGL_WARN,
 155                                         "Invalid proxy setting... Trying without proxy.\n");
 156                                 return url_out;
 157                         }
 158
 159 #ifdef HAVE_AF_INET6
 160                         if (network_ipv4_only_proxy && (gethostbyname(url->hostname)==NULL)) {
 161                                 mp_tmsg(MSGT_NETWORK,MSGL_WARN,
 162                                         "Could not resolve remote hostname for AF_INET. Trying without proxy.\n");
 163                                 url_free(proxy_url);
 164                                 return url_out;
 165                         }
 166 #endif
 167
 168                         mp_msg(MSGT_NETWORK,MSGL_V,"Using HTTP proxy: %s\n", proxy_url->url );
 169                         len = strlen( proxy_url->hostname ) + strlen( url->url ) + 20;  // 20 = http_proxy:// + port
 170                         new_url = malloc( len+1 );
 171                         if( new_url==NULL ) {
 172                                 mp_tmsg(MSGT_NETWORK,MSGL_FATAL,"Memory allocation failed.\n");
 173                                 url_free(proxy_url);
 174                                 return url_out;
 175                         }
 176                         sprintf(new_url, "http_proxy://%s:%d/%s", proxy_url->hostname, proxy_url->port, url->url );
 177                         tmp_url = url_new( new_url );
 178                         if( tmp_url==NULL ) {
 179                                 free( new_url );
 180                                 url_free( proxy_url );
 181                                 return url_out;
 182                         }
 183                         url_free( url_out );
 184                         url_out = tmp_url;
 185                         free( new_url );
 186                         url_free( proxy_url );
 187                 }
 188         }
 189         return url_out;
 190 }
 191
 192 int
 193 http_send_request( URL_t *url, off_t pos ) {
 194         HTTP_header_t *http_hdr;
 195         URL_t *server_url;
 196         char str[256];
 197         int fd = -1;
 198         int ret;
 199         int proxy = 0;          // Boolean
 200
 201         http_hdr = http_new_header();
 202
 203         if( !strcasecmp(url->protocol, "http_proxy") ) {
 204                 proxy = 1;
 205                 server_url = url_new( (url->file)+1 );
 206                 http_set_uri( http_hdr, server_url->url );
 207         } else {
 208                 server_url = url;
 209                 http_set_uri( http_hdr, server_url->file );
 210         }
 211         if (server_url->port && server_url->port != 80)
 212             snprintf(str, 256, "Host: %s:%d", server_url->hostname, server_url->port );
 213         else
 214             snprintf(str, 256, "Host: %s", server_url->hostname );
 215         http_set_field( http_hdr, str);
 216         if (network_useragent)
 217         {
 218             snprintf(str, 256, "User-Agent: %s", network_useragent);
 219             http_set_field(http_hdr, str);
 220         }
 221         else
 222             http_set_field( http_hdr, "User-Agent: MPlayer/"VERSION);
 223
 224         if( strcasecmp(url->protocol, "noicyx") )
 225             http_set_field(http_hdr, "Icy-MetaData: 1");
 226
 227         if(pos>0) {
 228         // Extend http_send_request with possibility to do partial content retrieval
 229             snprintf(str, 256, "Range: bytes=%"PRId64"-", (int64_t)pos);
 230             http_set_field(http_hdr, str);
 231         }
 232
 233         if (network_cookies_enabled) cookies_set( http_hdr, server_url->hostname, server_url->url );
 234
 235         http_set_field( http_hdr, "Connection: close");
 236         http_add_basic_authentication( http_hdr, url->username, url->password );
 237         if( http_build_request( http_hdr )==NULL ) {
 238                 goto err_out;
 239         }
 240
 241         if( proxy ) {
 242                 if( url->port==0 ) url->port = 8080;                    // Default port for the proxy server
 243                 fd = connect2Server( url->hostname, url->port,1 );
 244                 url_free( server_url );
 245                 server_url = NULL;
 246         } else {
 247                 if( server_url->port==0 ) server_url->port = 80;        // Default port for the web server
 248                 fd = connect2Server( server_url->hostname, server_url->port,1 );
 249         }
 250         if( fd<0 ) {
 251                 goto err_out;
 252         }
 253         mp_msg(MSGT_NETWORK,MSGL_DBG2,"Request: [%s]\n", http_hdr->buffer );
 254
 255         ret = send( fd, http_hdr->buffer, http_hdr->buffer_size, 0 );
 256         if( ret!=(int)http_hdr->buffer_size ) {
 257                 mp_tmsg(MSGT_NETWORK,MSGL_ERR,"Error while sending HTTP request: Didn't send all the request.\n");
 258                 goto err_out;
 259         }
 260
 261         http_free( http_hdr );
 262
 263         return fd;
 264 err_out:
 265         if (fd > 0) closesocket(fd);
 266         http_free(http_hdr);
 267         if (proxy && server_url)
 268                 url_free(server_url);
 269         return -1;
 270 }
 271
 272 HTTP_header_t *
 273 http_read_response( int fd ) {
 274         HTTP_header_t *http_hdr;
 275         char response[BUFFER_SIZE];
 276         int i;
 277
 278         http_hdr = http_new_header();
 279         if( http_hdr==NULL ) {
 280                 return NULL;
 281         }
 282
 283         do {
 284                 i = recv( fd, response, BUFFER_SIZE, 0 );
 285                 if( i<0 ) {
 286                         mp_tmsg(MSGT_NETWORK,MSGL_ERR,"Read failed.\n");
 287                         http_free( http_hdr );
 288                         return NULL;
 289                 }
 290                 if( i==0 ) {
 291                         mp_tmsg(MSGT_NETWORK,MSGL_ERR,"http_read_response read 0 (i.e. EOF).\n");
 292                         http_free( http_hdr );
 293                         return NULL;
 294                 }
 295                 http_response_append( http_hdr, response, i );
 296         } while( !http_is_header_entire( http_hdr ) );
 297         http_response_parse( http_hdr );
 298         return http_hdr;
 299 }
 300
 301 int
 302 http_authenticate(HTTP_header_t *http_hdr, URL_t *url, int *auth_retry) {
 303         char *aut;
 304
 305 #define MPDEMUX_NW_AuthFailed _(\
 306 "Authentication failed. Please use the -user and -passwd options to provide your\n"\
 307 "username/password for a list of URLs, or form an URL like:\n"\
 308 "http://username:password@hostname/file\n")
 309
 310
 311         if( *auth_retry==1 ) {
 312                 mp_tmsg(MSGT_NETWORK,MSGL_ERR,MPDEMUX_NW_AuthFailed);
 313                 return -1;
 314         }
 315         if( *auth_retry>0 ) {
 316                 if( url->username ) {
 317                         free( url->username );
 318                         url->username = NULL;
 319                 }
 320                 if( url->password ) {
 321                         free( url->password );
 322                         url->password = NULL;
 323                 }
 324         }
 325
 326         aut = http_get_field(http_hdr, "WWW-Authenticate");
 327         if( aut!=NULL ) {
 328                 char *aut_space;
 329                 aut_space = strstr(aut, "realm=");
 330                 if( aut_space!=NULL ) aut_space += 6;
 331                 mp_tmsg(MSGT_NETWORK,MSGL_INFO,"Authentication required for %s\n", aut_space);
 332         } else {
 333                 mp_tmsg(MSGT_NETWORK,MSGL_INFO,"Authentication required.\n");
 334         }
 335         if( network_username ) {
 336                 url->username = strdup(network_username);
 337                 if( url->username==NULL ) {
 338                         mp_tmsg(MSGT_NETWORK,MSGL_FATAL,"Memory allocation failed.\n");
 339                         return -1;
 340                 }
 341         } else {
 342                 mp_tmsg(MSGT_NETWORK,MSGL_ERR,MPDEMUX_NW_AuthFailed);
 343                 return -1;
 344         }
 345         if( network_password ) {
 346                 url->password = strdup(network_password);
 347                 if( url->password==NULL ) {
 348                         mp_tmsg(MSGT_NETWORK,MSGL_FATAL,"Memory allocation failed.\n");
 349                         return -1;
 350                 }
 351         } else {
 352                 mp_tmsg(MSGT_NETWORK,MSGL_INFO,"No password provided, trying blank password.\n");
 353         }
 354         (*auth_retry)++;
 355         return 0;
 356 }
 357
 358 int
 359 http_seek( stream_t *stream, off_t pos ) {
 360         HTTP_header_t *http_hdr = NULL;
 361         int fd;
 362         if( stream==NULL ) return 0;
 363
 364         if( stream->fd>0 ) closesocket(stream->fd); // need to reconnect to seek in http-stream
 365         fd = http_send_request( stream->streaming_ctrl->url, pos );
 366         if( fd<0 ) return 0;
 367
 368         http_hdr = http_read_response( fd );
 369
 370         if( http_hdr==NULL ) return 0;
 371
 372         switch( http_hdr->status_code ) {
 373                 case 200:
 374                 case 206: // OK
 375                         mp_msg(MSGT_NETWORK,MSGL_V,"Content-Type: [%s]\n", http_get_field(http_hdr, "Content-Type") );
 376                         mp_msg(MSGT_NETWORK,MSGL_V,"Content-Length: [%s]\n", http_get_field(http_hdr, "Content-Length") );
 377                         if( http_hdr->body_size>0 ) {
 378                                 if( streaming_bufferize( stream->streaming_ctrl, http_hdr->body, http_hdr->body_size )<0 ) {
 379                                         http_free( http_hdr );
 380                                         return -1;
 381                                 }
 382                         }
 383                         break;
 384                 default:
 385                         mp_tmsg(MSGT_NETWORK,MSGL_ERR,"Server returns %d: %s\n", http_hdr->status_code, http_hdr->reason_phrase );
 386                         close( fd );
 387                         fd = -1;
 388         }
 389         stream->fd = fd;
 390
 391         if( http_hdr ) {
 392                 http_free( http_hdr );
 393                 stream->streaming_ctrl->data = NULL;
 394         }
 395
 396         stream->pos=pos;
 397
 398         return 1;
 399 }
 400
 401
 402 int
 403 streaming_bufferize( streaming_ctrl_t *streaming_ctrl, char *buffer, int size) {
 404 //printf("streaming_bufferize\n");
 405         streaming_ctrl->buffer = malloc(size);
 406         if( streaming_ctrl->buffer==NULL ) {
 407                 mp_tmsg(MSGT_NETWORK,MSGL_FATAL,"Memory allocation failed.\n");
 408                 return -1;
 409         }
 410         memcpy( streaming_ctrl->buffer, buffer, size );
 411         streaming_ctrl->buffer_size = size;
 412         return size;
 413 }
 414
 415 int
 416 nop_streaming_read( int fd, char *buffer, int size, streaming_ctrl_t *stream_ctrl ) {
 417         int len=0;
 418 //printf("nop_streaming_read\n");
 419         if( stream_ctrl->buffer_size!=0 ) {
 420                 int buffer_len = stream_ctrl->buffer_size-stream_ctrl->buffer_pos;
 421 //printf("%d bytes in buffer\n", stream_ctrl->buffer_size);
 422                 len = (size<buffer_len)?size:buffer_len;
 423                 memcpy( buffer, (stream_ctrl->buffer)+(stream_ctrl->buffer_pos), len );
 424                 stream_ctrl->buffer_pos += len;
 425 //printf("buffer_pos = %d\n", stream_ctrl->buffer_pos );
 426                 if( stream_ctrl->buffer_pos>=stream_ctrl->buffer_size ) {
 427                         free( stream_ctrl->buffer );
 428                         stream_ctrl->buffer = NULL;
 429                         stream_ctrl->buffer_size = 0;
 430                         stream_ctrl->buffer_pos = 0;
 431 //printf("buffer cleaned\n");
 432                 }
 433 //printf("read %d bytes from buffer\n", len );
 434         }
 435
 436         if( len<size ) {
 437                 int ret;
 438                 ret = recv( fd, buffer+len, size-len, 0 );
 439                 if( ret<0 ) {
 440                         mp_msg(MSGT_NETWORK,MSGL_ERR,"nop_streaming_read error : %s\n",strerror(errno));
 441                 }
 442                 len += ret;
 443 //printf("read %d bytes from network\n", len );
 444         }
 445
 446         return len;
 447 }
 448
 449 int
 450 nop_streaming_seek( int fd, off_t pos, streaming_ctrl_t *stream_ctrl ) {
 451         return -1;
 452         // To shut up gcc warning
 453         fd++;
 454         pos++;
 455         stream_ctrl=NULL;
 456 }
 457
 458
 459 void fixup_network_stream_cache(stream_t *stream) {
 460   if(stream->streaming_ctrl->buffering) {
 461     if(stream_cache_size<0) {
 462       // cache option not set, will use our computed value.
 463       // buffer in KBytes, *5 because the prefill is 20% of the buffer.
 464       stream_cache_size = (stream->streaming_ctrl->prebuffer_size/1024)*5;
 465       if( stream_cache_size<64 ) stream_cache_size = 64;        // 16KBytes min buffer
 466     }
 467     mp_tmsg(MSGT_NETWORK,MSGL_INFO,"Cache size set to %d KBytes\n", stream_cache_size);
 468   }
 469 }
 470
 471
 472 int
 473 streaming_stop( stream_t *stream ) {
 474         stream->streaming_ctrl->status = streaming_stopped_e;
 475         return 0;
 476 }