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 #ifndef HAVE_WINSOCK2
  23 #define closesocket close
  24 #else
  25 #include <winsock2.h>
  26 #include <ws2tcpip.h>
  27 #endif
  28
  29 #include "stream.h"
  30 #include "libmpdemux/demuxer.h"
  31 #include "m_config.h"
  32
  33 #include "network.h"
  34 #include "tcp.h"
  35 #include "http.h"
  36 #include "cookies.h"
  37 #include "url.h"
  38
  39 #include "version.h"
  40
  41 extern int stream_cache_size;
  42
  43 extern int mp_input_check_interrupt(int time);
  44
  45 /* Variables for the command line option -user, -passwd, -bandwidth,
  46    -user-agent and -nocookies */
  47
  48 char *network_username=NULL;
  49 char *network_password=NULL;
  50 int   network_bandwidth=0;
  51 int   network_cookies_enabled = 0;
  52 char *network_useragent=NULL;
  53
  54 /* IPv6 options */
  55 int   network_ipv4_only_proxy = 0;
  56
  57
  58 mime_struct_t mime_type_table[] = {
  59         // MP3 streaming, some MP3 streaming server answer with audio/mpeg
  60         { "audio/mpeg", DEMUXER_TYPE_AUDIO },
  61         // MPEG streaming
  62         { "video/mpeg", DEMUXER_TYPE_UNKNOWN },
  63         { "video/x-mpeg", DEMUXER_TYPE_UNKNOWN },
  64         { "video/x-mpeg2", DEMUXER_TYPE_UNKNOWN },
  65         // AVI ??? => video/x-msvideo
  66         { "video/x-msvideo", DEMUXER_TYPE_AVI },
  67         // MOV => video/quicktime
  68         { "video/quicktime", DEMUXER_TYPE_MOV },
  69         // ASF
  70         { "audio/x-ms-wax", DEMUXER_TYPE_ASF },
  71         { "audio/x-ms-wma", DEMUXER_TYPE_ASF },
  72         { "video/x-ms-asf", DEMUXER_TYPE_ASF },
  73         { "video/x-ms-afs", DEMUXER_TYPE_ASF },
  74         { "video/x-ms-wvx", DEMUXER_TYPE_ASF },
  75         { "video/x-ms-wmv", DEMUXER_TYPE_ASF },
  76         { "video/x-ms-wma", DEMUXER_TYPE_ASF },
  77         { "application/x-mms-framed", DEMUXER_TYPE_ASF },
  78         { "application/vnd.ms.wms-hdr.asfv1", DEMUXER_TYPE_ASF },
  79         { "application/octet-stream", DEMUXER_TYPE_ASF },
  80         // Playlists
  81         { "video/x-ms-wmx", DEMUXER_TYPE_PLAYLIST },
  82         { "audio/x-scpls", DEMUXER_TYPE_PLAYLIST },
  83         { "audio/x-mpegurl", DEMUXER_TYPE_PLAYLIST },
  84         { "audio/x-pls", DEMUXER_TYPE_PLAYLIST },
  85         // Real Media
  86 //      { "audio/x-pn-realaudio", DEMUXER_TYPE_REAL },
  87         // OGG Streaming
  88         { "application/x-ogg", DEMUXER_TYPE_OGG },
  89         // NullSoft Streaming Video
  90         { "video/nsv", DEMUXER_TYPE_NSV},
  91         { "misc/ultravox", DEMUXER_TYPE_NSV},
  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_msg(MSGT_NETWORK,MSGL_FATAL,MSGTR_MemAllocFailed);
 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_msg(MSGT_NETWORK,MSGL_WARN,
 139                                         MSGTR_MPDEMUX_NW_InvalidProxySettingTryingWithout);
 140                                 return url_out;
 141                         }
 142
 143 #ifdef HAVE_AF_INET6
 144                         if (network_ipv4_only_proxy && (gethostbyname(url->hostname)==NULL)) {
 145                                 mp_msg(MSGT_NETWORK,MSGL_WARN,
 146                                         MSGTR_MPDEMUX_NW_CantResolvTryingWithoutProxy);
 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_msg(MSGT_NETWORK,MSGL_FATAL,MSGTR_MemAllocFailed);
 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;
 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         http_set_field(http_hdr, "Icy-MetaData: 1");
 209
 210         if(pos>0) {
 211         // Extend http_send_request with possibility to do partial content retrieval
 212             snprintf(str, 256, "Range: bytes=%"PRId64"-", (int64_t)pos);
 213             http_set_field(http_hdr, str);
 214         }
 215
 216         if (network_cookies_enabled) cookies_set( http_hdr, server_url->hostname, server_url->url );
 217
 218         http_set_field( http_hdr, "Connection: close");
 219         http_add_basic_authentication( http_hdr, url->username, url->password );
 220         if( http_build_request( http_hdr )==NULL ) {
 221                 goto err_out;
 222         }
 223
 224         if( proxy ) {
 225                 if( url->port==0 ) url->port = 8080;                    // Default port for the proxy server
 226                 fd = connect2Server( url->hostname, url->port,1 );
 227                 url_free( server_url );
 228                 server_url = NULL;
 229         } else {
 230                 if( server_url->port==0 ) server_url->port = 80;        // Default port for the web server
 231                 fd = connect2Server( server_url->hostname, server_url->port,1 );
 232         }
 233         if( fd<0 ) {
 234                 goto err_out;
 235         }
 236         mp_msg(MSGT_NETWORK,MSGL_DBG2,"Request: [%s]\n", http_hdr->buffer );
 237
 238         ret = send( fd, http_hdr->buffer, http_hdr->buffer_size, 0 );
 239         if( ret!=(int)http_hdr->buffer_size ) {
 240                 mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_NW_ErrSendingHTTPRequest);
 241                 goto err_out;
 242         }
 243
 244         http_free( http_hdr );
 245
 246         return fd;
 247 err_out:
 248         http_free(http_hdr);
 249         if (proxy && server_url)
 250                 url_free(server_url);
 251         return -1;
 252 }
 253
 254 HTTP_header_t *
 255 http_read_response( int fd ) {
 256         HTTP_header_t *http_hdr;
 257         char response[BUFFER_SIZE];
 258         int i;
 259
 260         http_hdr = http_new_header();
 261         if( http_hdr==NULL ) {
 262                 return NULL;
 263         }
 264
 265         do {
 266                 i = recv( fd, response, BUFFER_SIZE, 0 );
 267                 if( i<0 ) {
 268                         mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_NW_ReadFailed);
 269                         http_free( http_hdr );
 270                         return NULL;
 271                 }
 272                 if( i==0 ) {
 273                         mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_NW_Read0CouldBeEOF);
 274                         http_free( http_hdr );
 275                         return NULL;
 276                 }
 277                 http_response_append( http_hdr, response, i );
 278         } while( !http_is_header_entire( http_hdr ) );
 279         http_response_parse( http_hdr );
 280         return http_hdr;
 281 }
 282
 283 int
 284 http_authenticate(HTTP_header_t *http_hdr, URL_t *url, int *auth_retry) {
 285         char *aut;
 286
 287         if( *auth_retry==1 ) {
 288                 mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_NW_AuthFailed);
 289                 return -1;
 290         }
 291         if( *auth_retry>0 ) {
 292                 if( url->username ) {
 293                         free( url->username );
 294                         url->username = NULL;
 295                 }
 296                 if( url->password ) {
 297                         free( url->password );
 298                         url->password = NULL;
 299                 }
 300         }
 301
 302         aut = http_get_field(http_hdr, "WWW-Authenticate");
 303         if( aut!=NULL ) {
 304                 char *aut_space;
 305                 aut_space = strstr(aut, "realm=");
 306                 if( aut_space!=NULL ) aut_space += 6;
 307                 mp_msg(MSGT_NETWORK,MSGL_INFO,MSGTR_MPDEMUX_NW_AuthRequiredFor, aut_space);
 308         } else {
 309                 mp_msg(MSGT_NETWORK,MSGL_INFO,MSGTR_MPDEMUX_NW_AuthRequired);
 310         }
 311         if( network_username ) {
 312                 url->username = strdup(network_username);
 313                 if( url->username==NULL ) {
 314                         mp_msg(MSGT_NETWORK,MSGL_FATAL,MSGTR_MemAllocFailed);
 315                         return -1;
 316                 }
 317         } else {
 318                 mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_NW_AuthFailed);
 319                 return -1;
 320         }
 321         if( network_password ) {
 322                 url->password = strdup(network_password);
 323                 if( url->password==NULL ) {
 324                         mp_msg(MSGT_NETWORK,MSGL_FATAL,MSGTR_MemAllocFailed);
 325                         return -1;
 326                 }
 327         } else {
 328                 mp_msg(MSGT_NETWORK,MSGL_INFO,MSGTR_MPDEMUX_NW_NoPasswdProvidedTryingBlank);
 329         }
 330         (*auth_retry)++;
 331         return 0;
 332 }
 333
 334 int
 335 http_seek( stream_t *stream, off_t pos ) {
 336         HTTP_header_t *http_hdr = NULL;
 337         int fd;
 338         if( stream==NULL ) return 0;
 339
 340         if( stream->fd>0 ) closesocket(stream->fd); // need to reconnect to seek in http-stream
 341         fd = http_send_request( stream->streaming_ctrl->url, pos );
 342         if( fd<0 ) return 0;
 343
 344         http_hdr = http_read_response( fd );
 345
 346         if( http_hdr==NULL ) return 0;
 347
 348         switch( http_hdr->status_code ) {
 349                 case 200:
 350                 case 206: // OK
 351                         mp_msg(MSGT_NETWORK,MSGL_V,"Content-Type: [%s]\n", http_get_field(http_hdr, "Content-Type") );
 352                         mp_msg(MSGT_NETWORK,MSGL_V,"Content-Length: [%s]\n", http_get_field(http_hdr, "Content-Length") );
 353                         if( http_hdr->body_size>0 ) {
 354                                 if( streaming_bufferize( stream->streaming_ctrl, http_hdr->body, http_hdr->body_size )<0 ) {
 355                                         http_free( http_hdr );
 356                                         return -1;
 357                                 }
 358                         }
 359                         break;
 360                 default:
 361                         mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_NW_ErrServerReturned, http_hdr->status_code, http_hdr->reason_phrase );
 362                         close( fd );
 363                         fd = -1;
 364         }
 365         stream->fd = fd;
 366
 367         if( http_hdr ) {
 368                 http_free( http_hdr );
 369                 stream->streaming_ctrl->data = NULL;
 370         }
 371
 372         stream->pos=pos;
 373
 374         return 1;
 375 }
 376
 377
 378 int
 379 streaming_bufferize( streaming_ctrl_t *streaming_ctrl, char *buffer, int size) {
 380 //printf("streaming_bufferize\n");
 381         streaming_ctrl->buffer = malloc(size);
 382         if( streaming_ctrl->buffer==NULL ) {
 383                 mp_msg(MSGT_NETWORK,MSGL_FATAL,MSGTR_MemAllocFailed);
 384                 return -1;
 385         }
 386         memcpy( streaming_ctrl->buffer, buffer, size );
 387         streaming_ctrl->buffer_size = size;
 388         return size;
 389 }
 390
 391 int
 392 nop_streaming_read( int fd, char *buffer, int size, streaming_ctrl_t *stream_ctrl ) {
 393         int len=0;
 394 //printf("nop_streaming_read\n");
 395         if( stream_ctrl->buffer_size!=0 ) {
 396                 int buffer_len = stream_ctrl->buffer_size-stream_ctrl->buffer_pos;
 397 //printf("%d bytes in buffer\n", stream_ctrl->buffer_size);
 398                 len = (size<buffer_len)?size:buffer_len;
 399                 memcpy( buffer, (stream_ctrl->buffer)+(stream_ctrl->buffer_pos), len );
 400                 stream_ctrl->buffer_pos += len;
 401 //printf("buffer_pos = %d\n", stream_ctrl->buffer_pos );
 402                 if( stream_ctrl->buffer_pos>=stream_ctrl->buffer_size ) {
 403                         free( stream_ctrl->buffer );
 404                         stream_ctrl->buffer = NULL;
 405                         stream_ctrl->buffer_size = 0;
 406                         stream_ctrl->buffer_pos = 0;
 407 //printf("buffer cleaned\n");
 408                 }
 409 //printf("read %d bytes from buffer\n", len );
 410         }
 411
 412         if( len<size ) {
 413                 int ret;
 414                 ret = recv( fd, buffer+len, size-len, 0 );
 415                 if( ret<0 ) {
 416                         mp_msg(MSGT_NETWORK,MSGL_ERR,"nop_streaming_read error : %s\n",strerror(errno));
 417                 }
 418                 len += ret;
 419 //printf("read %d bytes from network\n", len );
 420         }
 421
 422         return len;
 423 }
 424
 425 int
 426 nop_streaming_seek( int fd, off_t pos, streaming_ctrl_t *stream_ctrl ) {
 427         return -1;
 428         // To shut up gcc warning
 429         fd++;
 430         pos++;
 431         stream_ctrl=NULL;
 432 }
 433
 434
 435 void fixup_network_stream_cache(stream_t *stream) {
 436   if(stream->streaming_ctrl->buffering) {
 437     if(stream_cache_size<0) {
 438       // cache option not set, will use our computed value.
 439       // buffer in KBytes, *5 because the prefill is 20% of the buffer.
 440       stream_cache_size = (stream->streaming_ctrl->prebuffer_size/1024)*5;
 441       if( stream_cache_size<64 ) stream_cache_size = 64;        // 16KBytes min buffer
 442     }
 443     mp_msg(MSGT_NETWORK,MSGL_INFO,MSGTR_MPDEMUX_NW_CacheSizeSetTo, stream_cache_size);
 444   }
 445 }
 446
 447
 448 int
 449 streaming_stop( stream_t *stream ) {
 450         stream->streaming_ctrl->status = streaming_stopped_e;
 451         return 0;
 452 }