stream/network.c

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