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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//
//=============================================================================//
#if defined(_WIN32) && !defined(_X360)
#include <winsock.h>
#elif POSIX
#include <sys/socket.h>
#include <netinet/in.h>
#elif !defined(_X360)
#error "define socket.h"
#endif
#include "host.h"
#include "blockingudpsocket.h"
#include "cserserverprotocol_engine.h"
#include "KeyValues.h"
#include "bitbuf.h"
#include "mathlib/IceKey.H"
#include "net.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
static int CountFields( KeyValues *fields )
{
int c = 0;
KeyValues *kv = fields->GetFirstSubKey();
while ( kv )
{
c++;
kv = kv->GetNextKey();
}
return c;
}
//-----------------------------------------------------------------------------
// Purpose: encrypts an 8-byte sequence
//-----------------------------------------------------------------------------
static inline void Encrypt8ByteSequence( IceKey& cipher, const unsigned char *plainText, unsigned char *cipherText)
{
cipher.encrypt(plainText, cipherText);
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
static void EncryptBuffer( IceKey& cipher, unsigned char *bufData, uint bufferSize)
{
unsigned char *cipherText = bufData;
unsigned char *plainText = bufData;
uint bytesEncrypted = 0;
while (bytesEncrypted < bufferSize)
{
// encrypt 8 byte section
Encrypt8ByteSequence( cipher, plainText, cipherText);
bytesEncrypted += 8;
cipherText += 8;
plainText += 8;
}
}
static void BuildUploadDataMessage( bf_write& buf, char const *tablename, KeyValues *fields )
{
bf_write encrypted;
ALIGN4 byte encrypted_data[ 2048 ] ALIGN4_POST;
buf.WriteByte( C2M_UPLOADDATA );
buf.WriteByte( '\n' );
buf.WriteByte( C2M_UPLOADDATA_PROTOCOL_VERSION );
// encryption object
IceKey cipher(1); /* medium encryption level */
unsigned char ucEncryptionKey[8] = { 54, 175, 165, 5, 76, 251, 29, 113 };
cipher.set( ucEncryptionKey );
encrypted.StartWriting( encrypted_data, sizeof( encrypted_data ) );
byte corruption_identifier = 0x01;
encrypted.WriteByte( corruption_identifier );
// Data version protocol
encrypted.WriteByte( C2M_UPLOADDATA_DATA_VERSION );
encrypted.WriteString( tablename );
int fieldCount = CountFields( fields );
if ( fieldCount > 255 )
{
Host_Error( "Too many fields in uploaddata (%i max = 255)\n", fieldCount );
}
encrypted.WriteByte( (byte)fieldCount );
KeyValues *kv = fields->GetFirstSubKey();
while ( kv )
{
encrypted.WriteString( kv->GetName() );
encrypted.WriteString( kv->GetString() );
kv = kv->GetNextKey();
}
// Round to multiple of 8 for encrypted
while ( encrypted.GetNumBytesWritten() % 8 )
{
encrypted.WriteByte( 0 );
}
EncryptBuffer( cipher, (unsigned char *)encrypted.GetData(), encrypted.GetNumBytesWritten() );
buf.WriteShort( (int)encrypted.GetNumBytesWritten() );
buf.WriteBytes( (unsigned char *)encrypted.GetData(), encrypted.GetNumBytesWritten() );
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : *cserIP -
// *tablename -
// *fields -
// Output : Returns true on success, false on failure.
//-----------------------------------------------------------------------------
bool UploadData( char const *cserIP, char const *tablename, KeyValues *fields )
{
#ifndef _XBOX
bf_write buf;
ALIGN4 byte data[ 2048 ] ALIGN4_POST;
buf.StartWriting( data, sizeof( data ) );
BuildUploadDataMessage( buf, tablename, fields );
netadr_t cseradr;
if ( NET_StringToAdr( cserIP, &cseradr ) )
{
CBlockingUDPSocket *socket = new CBlockingUDPSocket();
if ( socket )
{
struct sockaddr_in sa;
cseradr.ToSockadr( (struct sockaddr *)&sa );
// Don't bother waiting for response here
socket->SendSocketMessage( sa, (const byte *)buf.GetData(), buf.GetNumBytesWritten() );
delete socket;
return true;
}
}
return false;
#else
return true;
#endif
}
/*
CON_COMMAND( datatest, "" )
{
KeyValues *kv = new KeyValues( "data" );
kv->SetString( "IDHash", "abcdefg" );
kv->SetString( "Time", "DATETIME" );
kv->SetString( "DXDeviceID", "1001" );
kv->SetString( "DXVendorID", "1001" );
kv->SetString( "Framerate", "999" );
kv->SetString( "BuildNumber", va( "%i", build_number() ) );
bool bret = UploadData( "127.0.0.1:27013", "benchmark", kv );
kv->deleteThis();
}
*/
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