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 char *network_referrer=NULL;
  66
  67 /* IPv6 options */
  68 int   network_ipv4_only_proxy = 0;
  69
  70
  71 const mime_struct_t mime_type_table[] = {
  72 #ifdef CONFIG_LIBAVFORMAT
  73         // Flash Video
  74         { "video/x-flv", DEMUXER_TYPE_LAVF_PREFERRED},
  75         // do not force any demuxer in this case!
  76         // we want the lavf demuxer to be tried first (happens automatically anyway),
  77         // but for mov reference files to work we must also try
  78         // the native demuxer if lavf fails.
  79         { "video/quicktime", 0 },
  80 #endif
  81         // MP3 streaming, some MP3 streaming server answer with audio/mpeg
  82         { "audio/mpeg", DEMUXER_TYPE_AUDIO },
  83         // MPEG streaming
  84         { "video/mpeg", DEMUXER_TYPE_UNKNOWN },
  85         { "video/x-mpeg", DEMUXER_TYPE_UNKNOWN },
  86         { "video/x-mpeg2", DEMUXER_TYPE_UNKNOWN },
  87         // AVI ??? => video/x-msvideo
  88         { "video/x-msvideo", DEMUXER_TYPE_AVI },
  89         // MOV => video/quicktime
  90         { "video/quicktime", DEMUXER_TYPE_MOV },
  91         // ASF
  92         { "audio/x-ms-wax", DEMUXER_TYPE_ASF },
  93         { "audio/x-ms-wma", DEMUXER_TYPE_ASF },
  94         { "video/x-ms-asf", DEMUXER_TYPE_ASF },
  95         { "video/x-ms-afs", DEMUXER_TYPE_ASF },
  96         { "video/x-ms-wmv", DEMUXER_TYPE_ASF },
  97         { "video/x-ms-wma", DEMUXER_TYPE_ASF },
  98         { "application/x-mms-framed", DEMUXER_TYPE_ASF },
  99         { "application/vnd.ms.wms-hdr.asfv1", DEMUXER_TYPE_ASF },
 100         { "application/octet-stream", DEMUXER_TYPE_UNKNOWN },
 101         // Playlists
 102         { "video/x-ms-wmx", DEMUXER_TYPE_PLAYLIST },
 103         { "video/x-ms-wvx", DEMUXER_TYPE_PLAYLIST },
 104         { "audio/x-scpls", DEMUXER_TYPE_PLAYLIST },
 105         { "audio/x-mpegurl", DEMUXER_TYPE_PLAYLIST },
 106         { "audio/x-pls", DEMUXER_TYPE_PLAYLIST },
 107         // Real Media
 108 //      { "audio/x-pn-realaudio", DEMUXER_TYPE_REAL },
 109         // OGG Streaming
 110         { "application/x-ogg", DEMUXER_TYPE_OGG },
 111         // NullSoft Streaming Video
 112         { "video/nsv", DEMUXER_TYPE_NSV},
 113         { "misc/ultravox", DEMUXER_TYPE_NSV},
 114         { NULL, DEMUXER_TYPE_UNKNOWN},
 115 };
 116
 117
 118 streaming_ctrl_t *
 119 streaming_ctrl_new(void) {
 120         streaming_ctrl_t *streaming_ctrl;
 121         streaming_ctrl = malloc(sizeof(streaming_ctrl_t));
 122         if( streaming_ctrl==NULL ) {
 123                 mp_msg(MSGT_NETWORK,MSGL_FATAL,MSGTR_MemAllocFailed);
 124                 return NULL;
 125         }
 126         memset( streaming_ctrl, 0, sizeof(streaming_ctrl_t) );
 127         return streaming_ctrl;
 128 }
 129
 130 void
 131 streaming_ctrl_free( streaming_ctrl_t *streaming_ctrl ) {
 132         if( streaming_ctrl==NULL ) return;
 133         if( streaming_ctrl->url ) url_free( streaming_ctrl->url );
 134         if( streaming_ctrl->buffer ) free( streaming_ctrl->buffer );
 135         if( streaming_ctrl->data ) free( streaming_ctrl->data );
 136         free( streaming_ctrl );
 137 }
 138
 139 URL_t*
 140 check4proxies( URL_t *url ) {
 141         URL_t *url_out = NULL;
 142         if( url==NULL ) return NULL;
 143         url_out = url_new( url->url );
 144         if( !strcasecmp(url->protocol, "http_proxy") ) {
 145                 mp_msg(MSGT_NETWORK,MSGL_V,"Using HTTP proxy: http://%s:%d\n", url->hostname, url->port );
 146                 return url_out;
 147         }
 148         // Check if the http_proxy environment variable is set.
 149         if( !strcasecmp(url->protocol, "http") ) {
 150                 char *proxy;
 151                 proxy = getenv("http_proxy");
 152                 if( proxy!=NULL ) {
 153                         // We got a proxy, build the URL to use it
 154                         int len;
 155                         char *new_url;
 156                         URL_t *tmp_url;
 157                         URL_t *proxy_url = url_new( proxy );
 158
 159                         if( proxy_url==NULL ) {
 160                                 mp_msg(MSGT_NETWORK,MSGL_WARN,
 161                                         MSGTR_MPDEMUX_NW_InvalidProxySettingTryingWithout);
 162                                 return url_out;
 163                         }
 164
 165 #ifdef HAVE_AF_INET6
 166                         if (network_ipv4_only_proxy && (gethostbyname(url->hostname)==NULL)) {
 167                                 mp_msg(MSGT_NETWORK,MSGL_WARN,
 168                                         MSGTR_MPDEMUX_NW_CantResolvTryingWithoutProxy);
 169                                 url_free(proxy_url);
 170                                 return url_out;
 171                         }
 172 #endif
 173
 174                         mp_msg(MSGT_NETWORK,MSGL_V,"Using HTTP proxy: %s\n", proxy_url->url );
 175                         len = strlen( proxy_url->hostname ) + strlen( url->url ) + 20;  // 20 = http_proxy:// + port
 176                         new_url = malloc( len+1 );
 177                         if( new_url==NULL ) {
 178                                 mp_msg(MSGT_NETWORK,MSGL_FATAL,MSGTR_MemAllocFailed);
 179                                 url_free(proxy_url);
 180                                 return url_out;
 181                         }
 182                         sprintf(new_url, "http_proxy://%s:%d/%s", proxy_url->hostname, proxy_url->port, url->url );
 183                         tmp_url = url_new( new_url );
 184                         if( tmp_url==NULL ) {
 185                                 free( new_url );
 186                                 url_free( proxy_url );
 187                                 return url_out;
 188                         }
 189                         url_free( url_out );
 190                         url_out = tmp_url;
 191                         free( new_url );
 192                         url_free( proxy_url );
 193                 }
 194         }
 195         return url_out;
 196 }
 197
 198 int
 199 http_send_request( URL_t *url, off_t pos ) {
 200         HTTP_header_t *http_hdr;
 201         URL_t *server_url;
 202         char str[256];
 203         int fd = -1;
 204         int ret;
 205         int proxy = 0;          // Boolean
 206
 207         http_hdr = http_new_header();
 208
 209         if( !strcasecmp(url->protocol, "http_proxy") ) {
 210                 proxy = 1;
 211                 server_url = url_new( (url->file)+1 );
 212                 http_set_uri( http_hdr, server_url->url );
 213         } else {
 214                 server_url = url;
 215                 http_set_uri( http_hdr, server_url->file );
 216         }
 217         if (server_url->port && server_url->port != 80)
 218             snprintf(str, 256, "Host: %s:%d", server_url->hostname, server_url->port );
 219         else
 220             snprintf(str, 256, "Host: %s", server_url->hostname );
 221         http_set_field( http_hdr, str);
 222         if (network_useragent)
 223         {
 224             snprintf(str, 256, "User-Agent: %s", network_useragent);
 225             http_set_field(http_hdr, str);
 226         }
 227         else
 228             http_set_field( http_hdr, "User-Agent: MPlayer/"VERSION);
 229
 230         if (network_referrer) {
 231             char *referrer = NULL;
 232             size_t len = strlen(network_referrer) + 10;
 233
 234             // Check len to ensure we don't do something really bad in case of an overflow
 235             if (len > 10)
 236                 referrer = malloc(len);
 237
 238             if (referrer == NULL) {
 239                 mp_msg(MSGT_NETWORK, MSGL_FATAL, MSGTR_MemAllocFailed);
 240             } else {
 241                 snprintf(referrer, len, "Referer: %s", network_referrer);
 242                 http_set_field(http_hdr, referrer);
 243                 free(referrer);
 244             }
 245         }
 246
 247         if( strcasecmp(url->protocol, "noicyx") )
 248             http_set_field(http_hdr, "Icy-MetaData: 1");
 249
 250         if(pos>0) {
 251         // Extend http_send_request with possibility to do partial content retrieval
 252             snprintf(str, 256, "Range: bytes=%"PRId64"-", (int64_t)pos);
 253             http_set_field(http_hdr, str);
 254         }
 255
 256         if (network_cookies_enabled) cookies_set( http_hdr, server_url->hostname, server_url->url );
 257
 258         http_set_field( http_hdr, "Connection: close");
 259         http_add_basic_authentication( http_hdr, url->username, url->password );
 260         if( http_build_request( http_hdr )==NULL ) {
 261                 goto err_out;
 262         }
 263
 264         if( proxy ) {
 265                 if( url->port==0 ) url->port = 8080;                    // Default port for the proxy server
 266                 fd = connect2Server( url->hostname, url->port,1 );
 267                 url_free( server_url );
 268                 server_url = NULL;
 269         } else {
 270                 if( server_url->port==0 ) server_url->port = 80;        // Default port for the web server
 271                 fd = connect2Server( server_url->hostname, server_url->port,1 );
 272         }
 273         if( fd<0 ) {
 274                 goto err_out;
 275         }
 276         mp_msg(MSGT_NETWORK,MSGL_DBG2,"Request: [%s]\n", http_hdr->buffer );
 277
 278         ret = send( fd, http_hdr->buffer, http_hdr->buffer_size, 0 );
 279         if( ret!=(int)http_hdr->buffer_size ) {
 280                 mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_NW_ErrSendingHTTPRequest);
 281                 goto err_out;
 282         }
 283
 284         http_free( http_hdr );
 285
 286         return fd;
 287 err_out:
 288         if (fd > 0) closesocket(fd);
 289         http_free(http_hdr);
 290         if (proxy && server_url)
 291                 url_free(server_url);
 292         return -1;
 293 }
 294
 295 HTTP_header_t *
 296 http_read_response( int fd ) {
 297         HTTP_header_t *http_hdr;
 298         char response[BUFFER_SIZE];
 299         int i;
 300
 301         http_hdr = http_new_header();
 302         if( http_hdr==NULL ) {
 303                 return NULL;
 304         }
 305
 306         do {
 307                 i = recv( fd, response, BUFFER_SIZE, 0 );
 308                 if( i<0 ) {
 309                         mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_NW_ReadFailed);
 310                         http_free( http_hdr );
 311                         return NULL;
 312                 }
 313                 if( i==0 ) {
 314                         mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_NW_Read0CouldBeEOF);
 315                         http_free( http_hdr );
 316                         return NULL;
 317                 }
 318                 http_response_append( http_hdr, response, i );
 319         } while( !http_is_header_entire( http_hdr ) );
 320         if (http_response_parse( http_hdr ) < 0) {
 321                 http_free( http_hdr );
 322                 return NULL;
 323         }
 324         return http_hdr;
 325 }
 326
 327 int
 328 http_authenticate(HTTP_header_t *http_hdr, URL_t *url, int *auth_retry) {
 329         char *aut;
 330
 331         if( *auth_retry==1 ) {
 332                 mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_NW_AuthFailed);
 333                 return -1;
 334         }
 335         if( *auth_retry>0 ) {
 336                 if( url->username ) {
 337                         free( url->username );
 338                         url->username = NULL;
 339                 }
 340                 if( url->password ) {
 341                         free( url->password );
 342                         url->password = NULL;
 343                 }
 344         }
 345
 346         aut = http_get_field(http_hdr, "WWW-Authenticate");
 347         if( aut!=NULL ) {
 348                 char *aut_space;
 349                 aut_space = strstr(aut, "realm=");
 350                 if( aut_space!=NULL ) aut_space += 6;
 351                 mp_msg(MSGT_NETWORK,MSGL_INFO,MSGTR_MPDEMUX_NW_AuthRequiredFor, aut_space);
 352         } else {
 353                 mp_msg(MSGT_NETWORK,MSGL_INFO,MSGTR_MPDEMUX_NW_AuthRequired);
 354         }
 355         if( network_username ) {
 356                 url->username = strdup(network_username);
 357                 if( url->username==NULL ) {
 358                         mp_msg(MSGT_NETWORK,MSGL_FATAL,MSGTR_MemAllocFailed);
 359                         return -1;
 360                 }
 361         } else {
 362                 mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_NW_AuthFailed);
 363                 return -1;
 364         }
 365         if( network_password ) {
 366                 url->password = strdup(network_password);
 367                 if( url->password==NULL ) {
 368                         mp_msg(MSGT_NETWORK,MSGL_FATAL,MSGTR_MemAllocFailed);
 369                         return -1;
 370                 }
 371         } else {
 372                 mp_msg(MSGT_NETWORK,MSGL_INFO,MSGTR_MPDEMUX_NW_NoPasswdProvidedTryingBlank);
 373         }
 374         (*auth_retry)++;
 375         return 0;
 376 }
 377
 378 int
 379 http_seek( stream_t *stream, off_t pos ) {
 380         HTTP_header_t *http_hdr = NULL;
 381         int fd;
 382         if( stream==NULL ) return 0;
 383
 384         if( stream->fd>0 ) closesocket(stream->fd); // need to reconnect to seek in http-stream
 385         fd = http_send_request( stream->streaming_ctrl->url, pos );
 386         if( fd<0 ) return 0;
 387
 388         http_hdr = http_read_response( fd );
 389
 390         if( http_hdr==NULL ) return 0;
 391
 392         if( mp_msg_test(MSGT_NETWORK,MSGL_V) )
 393                 http_debug_hdr( http_hdr );
 394
 395         switch( http_hdr->status_code ) {
 396                 case 200:
 397                 case 206: // OK
 398                         mp_msg(MSGT_NETWORK,MSGL_V,"Content-Type: [%s]\n", http_get_field(http_hdr, "Content-Type") );
 399                         mp_msg(MSGT_NETWORK,MSGL_V,"Content-Length: [%s]\n", http_get_field(http_hdr, "Content-Length") );
 400                         if( http_hdr->body_size>0 ) {
 401                                 if( streaming_bufferize( stream->streaming_ctrl, http_hdr->body, http_hdr->body_size )<0 ) {
 402                                         http_free( http_hdr );
 403                                         return -1;
 404                                 }
 405                         }
 406                         break;
 407                 default:
 408                         mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_NW_ErrServerReturned, http_hdr->status_code, http_hdr->reason_phrase );
 409                         closesocket( fd );
 410                         fd = -1;
 411         }
 412         stream->fd = fd;
 413
 414         if( http_hdr ) {
 415                 http_free( http_hdr );
 416                 stream->streaming_ctrl->data = NULL;
 417         }
 418
 419         stream->pos=pos;
 420
 421         return 1;
 422 }
 423
 424
 425 int
 426 streaming_bufferize( streaming_ctrl_t *streaming_ctrl, char *buffer, int size) {
 427 //printf("streaming_bufferize\n");
 428         streaming_ctrl->buffer = malloc(size);
 429         if( streaming_ctrl->buffer==NULL ) {
 430                 mp_msg(MSGT_NETWORK,MSGL_FATAL,MSGTR_MemAllocFailed);
 431                 return -1;
 432         }
 433         memcpy( streaming_ctrl->buffer, buffer, size );
 434         streaming_ctrl->buffer_size = size;
 435         return size;
 436 }
 437
 438 int
 439 nop_streaming_read( int fd, char *buffer, int size, streaming_ctrl_t *stream_ctrl ) {
 440         int len=0;
 441 //printf("nop_streaming_read\n");
 442         if( stream_ctrl->buffer_size!=0 ) {
 443                 int buffer_len = stream_ctrl->buffer_size-stream_ctrl->buffer_pos;
 444 //printf("%d bytes in buffer\n", stream_ctrl->buffer_size);
 445                 len = (size<buffer_len)?size:buffer_len;
 446                 memcpy( buffer, (stream_ctrl->buffer)+(stream_ctrl->buffer_pos), len );
 447                 stream_ctrl->buffer_pos += len;
 448 //printf("buffer_pos = %d\n", stream_ctrl->buffer_pos );
 449                 if( stream_ctrl->buffer_pos>=stream_ctrl->buffer_size ) {
 450                         free( stream_ctrl->buffer );
 451                         stream_ctrl->buffer = NULL;
 452                         stream_ctrl->buffer_size = 0;
 453                         stream_ctrl->buffer_pos = 0;
 454 //printf("buffer cleaned\n");
 455                 }
 456 //printf("read %d bytes from buffer\n", len );
 457         }
 458
 459         if( len<size ) {
 460                 int ret;
 461                 ret = recv( fd, buffer+len, size-len, 0 );
 462                 if( ret<0 ) {
 463                         mp_msg(MSGT_NETWORK,MSGL_ERR,"nop_streaming_read error : %s\n",strerror(errno));
 464                 }
 465                 len += ret;
 466 //printf("read %d bytes from network\n", len );
 467         }
 468
 469         return len;
 470 }
 471
 472 int
 473 nop_streaming_seek( int fd, off_t pos, streaming_ctrl_t *stream_ctrl ) {
 474         return -1;
 475         // To shut up gcc warning
 476         fd++;
 477         pos++;
 478         stream_ctrl=NULL;
 479 }
 480
 481
 482 void fixup_network_stream_cache(stream_t *stream) {
 483   if(stream->streaming_ctrl->buffering) {
 484     if(stream_cache_size<0) {
 485       // cache option not set, will use our computed value.
 486       // buffer in KBytes, *5 because the prefill is 20% of the buffer.
 487       stream_cache_size = (stream->streaming_ctrl->prebuffer_size/1024)*5;
 488       if( stream_cache_size<64 ) stream_cache_size = 64;        // 16KBytes min buffer
 489     }
 490     mp_msg(MSGT_NETWORK,MSGL_INFO,MSGTR_MPDEMUX_NW_CacheSizeSetTo, stream_cache_size);
 491   }
 492 }
 493