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engine/sv_uploaddata.cpp

@@ -0,0 +1,179 @@
+//========= 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();
+}
+*/