mirror of https://github.com/mpv-player/mpv
498 lines
14 KiB
C
498 lines
14 KiB
C
/*
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* Network layer for MPlayer
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*
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* Copyright (C) 2001 Bertrand Baudet <bertrand_baudet@yahoo.com>
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*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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//#define DUMP2FILE
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <errno.h>
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#include <ctype.h>
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#include "config.h"
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#include "mp_msg.h"
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#if HAVE_WINSOCK2_H
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#include <winsock2.h>
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#include <ws2tcpip.h>
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#endif
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#include "stream.h"
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#include "libmpdemux/demuxer.h"
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#include "m_config.h"
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#include "network.h"
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#include "tcp.h"
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#include "http.h"
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#include "cookies.h"
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#include "url.h"
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#include "version.h"
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extern int stream_cache_size;
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/* Variables for the command line option -user, -passwd, -bandwidth,
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-user-agent and -nocookies */
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char *network_username=NULL;
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char *network_password=NULL;
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int network_bandwidth=0;
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int network_cookies_enabled = 0;
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char *network_useragent=NULL;
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char *network_referrer=NULL;
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/* IPv6 options */
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int network_ipv4_only_proxy = 0;
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const mime_struct_t mime_type_table[] = {
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#ifdef CONFIG_LIBAVFORMAT
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// Flash Video
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{ "video/x-flv", DEMUXER_TYPE_LAVF_PREFERRED},
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// do not force any demuxer in this case!
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// we want the lavf demuxer to be tried first (happens automatically anyway),
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// but for mov reference files to work we must also try
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// the native demuxer if lavf fails.
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{ "video/quicktime", 0 },
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#endif
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// MP3 streaming, some MP3 streaming server answer with audio/mpeg
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{ "audio/mpeg", DEMUXER_TYPE_AUDIO },
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// MPEG streaming
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{ "video/mpeg", DEMUXER_TYPE_UNKNOWN },
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{ "video/x-mpeg", DEMUXER_TYPE_UNKNOWN },
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{ "video/x-mpeg2", DEMUXER_TYPE_UNKNOWN },
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// AVI ??? => video/x-msvideo
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{ "video/x-msvideo", DEMUXER_TYPE_AVI },
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// MOV => video/quicktime
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{ "video/quicktime", DEMUXER_TYPE_MOV },
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// ASF
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{ "audio/x-ms-wax", DEMUXER_TYPE_ASF },
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{ "audio/x-ms-wma", DEMUXER_TYPE_ASF },
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{ "video/x-ms-asf", DEMUXER_TYPE_ASF },
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{ "video/x-ms-afs", DEMUXER_TYPE_ASF },
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{ "video/x-ms-wmv", DEMUXER_TYPE_ASF },
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{ "video/x-ms-wma", DEMUXER_TYPE_ASF },
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{ "application/x-mms-framed", DEMUXER_TYPE_ASF },
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{ "application/vnd.ms.wms-hdr.asfv1", DEMUXER_TYPE_ASF },
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{ "application/octet-stream", DEMUXER_TYPE_UNKNOWN },
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// Playlists
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{ "video/x-ms-wmx", DEMUXER_TYPE_PLAYLIST },
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{ "video/x-ms-wvx", DEMUXER_TYPE_PLAYLIST },
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{ "audio/x-scpls", DEMUXER_TYPE_PLAYLIST },
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{ "audio/x-mpegurl", DEMUXER_TYPE_PLAYLIST },
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{ "audio/x-pls", DEMUXER_TYPE_PLAYLIST },
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// Real Media
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// { "audio/x-pn-realaudio", DEMUXER_TYPE_REAL },
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// OGG Streaming
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{ "application/x-ogg", DEMUXER_TYPE_OGG },
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// NullSoft Streaming Video
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{ "video/nsv", DEMUXER_TYPE_NSV},
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{ "misc/ultravox", DEMUXER_TYPE_NSV},
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{ NULL, DEMUXER_TYPE_UNKNOWN},
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};
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streaming_ctrl_t *
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streaming_ctrl_new(void) {
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streaming_ctrl_t *streaming_ctrl;
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streaming_ctrl = malloc(sizeof(streaming_ctrl_t));
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if( streaming_ctrl==NULL ) {
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mp_tmsg(MSGT_NETWORK,MSGL_FATAL,"Memory allocation failed.\n");
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return NULL;
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}
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memset( streaming_ctrl, 0, sizeof(streaming_ctrl_t) );
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return streaming_ctrl;
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}
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void
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streaming_ctrl_free( streaming_ctrl_t *streaming_ctrl ) {
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if( streaming_ctrl==NULL ) return;
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if( streaming_ctrl->url ) url_free( streaming_ctrl->url );
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if( streaming_ctrl->buffer ) free( streaming_ctrl->buffer );
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if( streaming_ctrl->data ) free( streaming_ctrl->data );
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free( streaming_ctrl );
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}
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URL_t*
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check4proxies( URL_t *url ) {
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URL_t *url_out = NULL;
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if( url==NULL ) return NULL;
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url_out = url_new( url->url );
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if( !strcasecmp(url->protocol, "http_proxy") ) {
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mp_msg(MSGT_NETWORK,MSGL_V,"Using HTTP proxy: http://%s:%d\n", url->hostname, url->port );
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return url_out;
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}
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// Check if the http_proxy environment variable is set.
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if( !strcasecmp(url->protocol, "http") ) {
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char *proxy;
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proxy = getenv("http_proxy");
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if( proxy!=NULL ) {
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// We got a proxy, build the URL to use it
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int len;
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char *new_url;
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URL_t *tmp_url;
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URL_t *proxy_url = url_new( proxy );
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if( proxy_url==NULL ) {
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mp_tmsg(MSGT_NETWORK,MSGL_WARN,
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"Invalid proxy setting... Trying without proxy.\n");
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return url_out;
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}
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#ifdef HAVE_AF_INET6
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if (network_ipv4_only_proxy && (gethostbyname(url->hostname)==NULL)) {
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mp_tmsg(MSGT_NETWORK,MSGL_WARN,
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"Could not resolve remote hostname for AF_INET. Trying without proxy.\n");
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url_free(proxy_url);
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return url_out;
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}
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#endif
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mp_msg(MSGT_NETWORK,MSGL_V,"Using HTTP proxy: %s\n", proxy_url->url );
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len = strlen( proxy_url->hostname ) + strlen( url->url ) + 20; // 20 = http_proxy:// + port
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new_url = malloc( len+1 );
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if( new_url==NULL ) {
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mp_tmsg(MSGT_NETWORK,MSGL_FATAL,"Memory allocation failed.\n");
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url_free(proxy_url);
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return url_out;
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}
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sprintf(new_url, "http_proxy://%s:%d/%s", proxy_url->hostname, proxy_url->port, url->url );
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tmp_url = url_new( new_url );
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if( tmp_url==NULL ) {
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free( new_url );
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url_free( proxy_url );
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return url_out;
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}
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url_free( url_out );
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url_out = tmp_url;
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free( new_url );
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url_free( proxy_url );
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}
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}
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return url_out;
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}
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int
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http_send_request( URL_t *url, off_t pos ) {
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HTTP_header_t *http_hdr;
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URL_t *server_url;
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char str[256];
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int fd = -1;
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int ret;
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int proxy = 0; // Boolean
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http_hdr = http_new_header();
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if( !strcasecmp(url->protocol, "http_proxy") ) {
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proxy = 1;
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server_url = url_new( (url->file)+1 );
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http_set_uri( http_hdr, server_url->url );
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} else {
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server_url = url;
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http_set_uri( http_hdr, server_url->file );
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}
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if (server_url->port && server_url->port != 80)
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snprintf(str, 256, "Host: %s:%d", server_url->hostname, server_url->port );
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else
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snprintf(str, 256, "Host: %s", server_url->hostname );
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http_set_field( http_hdr, str);
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if (network_useragent)
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{
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snprintf(str, 256, "User-Agent: %s", network_useragent);
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http_set_field(http_hdr, str);
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}
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else
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http_set_field( http_hdr, "User-Agent: MPlayer/"VERSION);
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if (network_referrer) {
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char *referrer = NULL;
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size_t len = strlen(network_referrer) + 10;
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// Check len to ensure we don't do something really bad in case of an overflow
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if (len > 10)
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referrer = malloc(len);
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if (referrer == NULL) {
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mp_tmsg(MSGT_NETWORK, MSGL_FATAL, "Memory allocation failed.\n");
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} else {
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snprintf(referrer, len, "Referer: %s", network_referrer);
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http_set_field(http_hdr, referrer);
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free(referrer);
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}
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}
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if( strcasecmp(url->protocol, "noicyx") )
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http_set_field(http_hdr, "Icy-MetaData: 1");
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if(pos>0) {
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// Extend http_send_request with possibility to do partial content retrieval
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snprintf(str, 256, "Range: bytes=%"PRId64"-", (int64_t)pos);
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http_set_field(http_hdr, str);
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}
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if (network_cookies_enabled) cookies_set( http_hdr, server_url->hostname, server_url->url );
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http_set_field( http_hdr, "Connection: close");
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http_add_basic_authentication( http_hdr, url->username, url->password );
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if( http_build_request( http_hdr )==NULL ) {
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goto err_out;
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}
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if( proxy ) {
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if( url->port==0 ) url->port = 8080; // Default port for the proxy server
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fd = connect2Server( url->hostname, url->port,1 );
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url_free( server_url );
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server_url = NULL;
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} else {
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if( server_url->port==0 ) server_url->port = 80; // Default port for the web server
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fd = connect2Server( server_url->hostname, server_url->port,1 );
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}
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if( fd<0 ) {
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goto err_out;
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}
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mp_msg(MSGT_NETWORK,MSGL_DBG2,"Request: [%s]\n", http_hdr->buffer );
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ret = send( fd, http_hdr->buffer, http_hdr->buffer_size, 0 );
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if( ret!=(int)http_hdr->buffer_size ) {
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mp_tmsg(MSGT_NETWORK,MSGL_ERR,"Error while sending HTTP request: Didn't send all the request.\n");
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goto err_out;
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}
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http_free( http_hdr );
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return fd;
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err_out:
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if (fd > 0) closesocket(fd);
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http_free(http_hdr);
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if (proxy && server_url)
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url_free(server_url);
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return -1;
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}
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HTTP_header_t *
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http_read_response( int fd ) {
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HTTP_header_t *http_hdr;
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char response[BUFFER_SIZE];
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int i;
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http_hdr = http_new_header();
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if( http_hdr==NULL ) {
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return NULL;
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}
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do {
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i = recv( fd, response, BUFFER_SIZE, 0 );
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if( i<0 ) {
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mp_tmsg(MSGT_NETWORK,MSGL_ERR,"Read failed.\n");
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http_free( http_hdr );
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return NULL;
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}
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if( i==0 ) {
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mp_tmsg(MSGT_NETWORK,MSGL_ERR,"http_read_response read 0 (i.e. EOF).\n");
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http_free( http_hdr );
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return NULL;
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}
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http_response_append( http_hdr, response, i );
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} while( !http_is_header_entire( http_hdr ) );
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if (http_response_parse( http_hdr ) < 0) {
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http_free( http_hdr );
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return NULL;
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}
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return http_hdr;
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}
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int
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http_authenticate(HTTP_header_t *http_hdr, URL_t *url, int *auth_retry) {
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char *aut;
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#define MPDEMUX_NW_AuthFailed _(\
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"Authentication failed. Please use the -user and -passwd options to provide your\n"\
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"username/password for a list of URLs, or form an URL like:\n"\
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"http://username:password@hostname/file\n")
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if( *auth_retry==1 ) {
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mp_tmsg(MSGT_NETWORK,MSGL_ERR,MPDEMUX_NW_AuthFailed);
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return -1;
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}
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if( *auth_retry>0 ) {
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if( url->username ) {
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free( url->username );
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url->username = NULL;
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}
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if( url->password ) {
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free( url->password );
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url->password = NULL;
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}
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}
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aut = http_get_field(http_hdr, "WWW-Authenticate");
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if( aut!=NULL ) {
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char *aut_space;
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aut_space = strstr(aut, "realm=");
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if( aut_space!=NULL ) aut_space += 6;
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mp_tmsg(MSGT_NETWORK,MSGL_INFO,"Authentication required for %s\n", aut_space);
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} else {
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mp_tmsg(MSGT_NETWORK,MSGL_INFO,"Authentication required.\n");
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}
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if( network_username ) {
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url->username = strdup(network_username);
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if( url->username==NULL ) {
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mp_tmsg(MSGT_NETWORK,MSGL_FATAL,"Memory allocation failed.\n");
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return -1;
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}
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} else {
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mp_tmsg(MSGT_NETWORK,MSGL_ERR,MPDEMUX_NW_AuthFailed);
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return -1;
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}
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if( network_password ) {
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url->password = strdup(network_password);
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if( url->password==NULL ) {
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mp_tmsg(MSGT_NETWORK,MSGL_FATAL,"Memory allocation failed.\n");
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return -1;
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}
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} else {
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mp_tmsg(MSGT_NETWORK,MSGL_INFO,"No password provided, trying blank password.\n");
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}
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(*auth_retry)++;
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return 0;
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}
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int
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http_seek( stream_t *stream, off_t pos ) {
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HTTP_header_t *http_hdr = NULL;
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int fd;
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if( stream==NULL ) return 0;
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if( stream->fd>0 ) closesocket(stream->fd); // need to reconnect to seek in http-stream
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fd = http_send_request( stream->streaming_ctrl->url, pos );
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if( fd<0 ) return 0;
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http_hdr = http_read_response( fd );
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if( http_hdr==NULL ) return 0;
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if( mp_msg_test(MSGT_NETWORK,MSGL_V) )
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http_debug_hdr( http_hdr );
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switch( http_hdr->status_code ) {
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case 200:
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case 206: // OK
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mp_msg(MSGT_NETWORK,MSGL_V,"Content-Type: [%s]\n", http_get_field(http_hdr, "Content-Type") );
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mp_msg(MSGT_NETWORK,MSGL_V,"Content-Length: [%s]\n", http_get_field(http_hdr, "Content-Length") );
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if( http_hdr->body_size>0 ) {
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if( streaming_bufferize( stream->streaming_ctrl, http_hdr->body, http_hdr->body_size )<0 ) {
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http_free( http_hdr );
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return -1;
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}
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}
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break;
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default:
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mp_tmsg(MSGT_NETWORK,MSGL_ERR,"Server returns %d: %s\n", http_hdr->status_code, http_hdr->reason_phrase );
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closesocket( fd );
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fd = -1;
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}
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stream->fd = fd;
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if( http_hdr ) {
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http_free( http_hdr );
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stream->streaming_ctrl->data = NULL;
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}
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stream->pos=pos;
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return 1;
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}
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int
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streaming_bufferize( streaming_ctrl_t *streaming_ctrl, char *buffer, int size) {
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//printf("streaming_bufferize\n");
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streaming_ctrl->buffer = malloc(size);
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if( streaming_ctrl->buffer==NULL ) {
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mp_tmsg(MSGT_NETWORK,MSGL_FATAL,"Memory allocation failed.\n");
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return -1;
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}
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memcpy( streaming_ctrl->buffer, buffer, size );
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streaming_ctrl->buffer_size = size;
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return size;
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}
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int
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nop_streaming_read( int fd, char *buffer, int size, streaming_ctrl_t *stream_ctrl ) {
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int len=0;
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//printf("nop_streaming_read\n");
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if( stream_ctrl->buffer_size!=0 ) {
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int buffer_len = stream_ctrl->buffer_size-stream_ctrl->buffer_pos;
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//printf("%d bytes in buffer\n", stream_ctrl->buffer_size);
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len = (size<buffer_len)?size:buffer_len;
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memcpy( buffer, (stream_ctrl->buffer)+(stream_ctrl->buffer_pos), len );
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stream_ctrl->buffer_pos += len;
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//printf("buffer_pos = %d\n", stream_ctrl->buffer_pos );
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if( stream_ctrl->buffer_pos>=stream_ctrl->buffer_size ) {
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free( stream_ctrl->buffer );
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stream_ctrl->buffer = NULL;
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stream_ctrl->buffer_size = 0;
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stream_ctrl->buffer_pos = 0;
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//printf("buffer cleaned\n");
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}
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//printf("read %d bytes from buffer\n", len );
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}
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if( len<size ) {
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int ret;
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ret = recv( fd, buffer+len, size-len, 0 );
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if( ret<0 ) {
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mp_msg(MSGT_NETWORK,MSGL_ERR,"nop_streaming_read error : %s\n",strerror(errno));
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}
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len += ret;
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//printf("read %d bytes from network\n", len );
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}
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return len;
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}
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int
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nop_streaming_seek( int fd, off_t pos, streaming_ctrl_t *stream_ctrl ) {
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return -1;
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// To shut up gcc warning
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fd++;
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pos++;
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stream_ctrl=NULL;
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}
|
|
|
|
|
|
void fixup_network_stream_cache(stream_t *stream) {
|
|
if(stream->streaming_ctrl->buffering) {
|
|
if(stream_cache_size<0) {
|
|
// cache option not set, will use our computed value.
|
|
// buffer in KBytes, *5 because the prefill is 20% of the buffer.
|
|
stream_cache_size = (stream->streaming_ctrl->prebuffer_size/1024)*5;
|
|
if( stream_cache_size<64 ) stream_cache_size = 64; // 16KBytes min buffer
|
|
}
|
|
mp_tmsg(MSGT_NETWORK,MSGL_INFO,"Cache size set to %d KBytes\n", stream_cache_size);
|
|
}
|
|
}
|