--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/networksecurity/tlsprovider/Test/tlstest2/serverfinishedstep.cpp	Tue Jan 26 15:23:49 2010 +0200
@@ -0,0 +1,265 @@
+// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+/**
+ @file serverfinishedstep.cpp
+ @internalTechnology
+*/
+#include "serverfinishedstep.h"
+
+#include <tlsprovinterface.h>
+
+CServerFinishedStep::CServerFinishedStep()
+	{
+	SetTestStepName(KServerFinishedStep);
+	}
+	
+TVerdict CServerFinishedStep::doTestStepPreambleL()
+	{
+	ConstructL();
+	
+	CTlsCryptoAttributes* atts = Provider()->Attributes();
+	
+	// Reads PSK values if included in INI file.
+	ReadPskToBeUsedL();
+	
+	// Reads if NULL ciphers suites are to be allowed from INI file.
+	ReadUseNullCipher();
+	
+	// read the "server" random
+	HBufC8* random = ServerRandomL();
+	atts->iMasterSecretInput.iServerRandom.Copy(*random);
+	delete random;
+	
+	// and the client random
+	random = ClientRandomL();
+	atts->iMasterSecretInput.iClientRandom.Copy(*random);
+	delete random;
+	
+	// we only support null compression...
+	atts->iCompressionMethod = ENullCompression;
+	
+	// read the cipher suite for the test
+	atts->iCurrentCipherSuite = CipherSuiteL();
+	
+	// read the protocol version
+	TTLSProtocolVersion version = ProtocolVersionL();
+	atts->iNegotiatedProtocol = version;
+	atts->iProposedProtocol = version;
+	
+	// set the session ID and "server" name (localhost)
+	atts->iSessionNameAndID.iSessionId = SessionId();
+	atts->iSessionNameAndID.iServerName.iAddress = KLocalHost; 
+	atts->iSessionNameAndID.iServerName.iPort = 443;
+	atts->idomainName.Copy(DomainNameL());
+	
+	// try and read DH params, this section may not exist
+	RInteger gen;
+	CleanupClosePushL(gen);
+	
+	RInteger prime;
+	CleanupClosePushL(prime);
+		
+	// If cipher suite under test is uses PSK (Pre Shared Key)
+	if(UsePsk())
+		{
+		// Populates values for PSK 
+		atts->iPskConfigured = true;
+		atts->iPublicKeyParams->iKeyType = EPsk;
+		atts->iPublicKeyParams->iValue4 = PskIdentity();
+		atts->iPublicKeyParams->iValue5 = PskKey();
+		}
+	else 
+		{
+		// If cipher suite under test is NOT PSK 
+		TRAPD(err, ReadDHParamsL());
+		if (err == KErrNone)
+			{
+			atts->iPublicKeyParams->iKeyType = EDHE;
+
+			// The params are:
+			// 1 - Prime
+			// 2 - Generator
+			// 3 - generator ^ random mod prime
+
+			atts->iPublicKeyParams->iValue1 = Prime().BufferLC();
+			CleanupStack::Pop(atts->iPublicKeyParams->iValue1);
+
+			atts->iPublicKeyParams->iValue2 = Generator().BufferLC();
+			CleanupStack::Pop(atts->iPublicKeyParams->iValue2);
+
+			atts->iPublicKeyParams->iValue3 = KeyPair()->PublicKey().X().BufferLC();
+			CleanupStack::Pop(atts->iPublicKeyParams->iValue3);
+
+			}
+		}
+		
+	CleanupStack::PopAndDestroy(2, &gen); // prime
+	
+	// No client auth, no dialogs
+	atts->iClientAuthenticate = EFalse;
+	atts->iDialogNonAttendedMode = ETrue;
+	
+	if(UseNullCipher())
+		{
+		// Enables null cipher by setting appropiate parameter  
+		atts->iAllowNullCipherSuites = ETrue;
+ 		}
+	
+	return EPass;
+	}
+
+TVerdict CServerFinishedStep::doTestStepL()
+	{
+	INFO_PRINTF1(_L("Calling TLS Provider to fetch cipher suites."));
+	
+	// first we have to retrieve the available cipher suites
+	TInt err = GetCipherSuitesL();
+	
+	if (err != KErrNone)
+		{
+		INFO_PRINTF2(_L("Failed! Cannot retrieve supported cipher suites! (Error %d)"),
+			err);
+		SetTestStepResult(EFail);
+		return TestStepResult();
+		}
+		
+	// verifies certificate if is not a PSK cipher suite
+  	if( !UsePsk() )
+		{
+			// we have to verify the server certificate, to supply the certificate
+		// and its parameters to the TLS provider.
+
+		INFO_PRINTF1(_L("Calling TLS Provider to verify server certificate."));
+
+		CX509Certificate* cert = NULL;
+
+		err = VerifyServerCertificateL(cert);
+		delete cert;
+		
+			// make sure it completed sucessfully.
+		if (err != KErrNone)
+			{
+			INFO_PRINTF2(_L("Failed! Server Certificate did not verify correctly! (Error %d)"),
+				err);
+			SetTestStepResult(EFail);
+			return TestStepResult();
+			}
+		
+		}   
+	
+	
+	INFO_PRINTF1(_L("Creating TLS Session."));	
+	
+	// now, create a session with the parameters set in the preamble
+	err = CreateSessionL();
+	
+	// ensure we succeeded
+	if (err != KErrNone)
+		{
+		INFO_PRINTF2(_L("Failed! Create Session failed! (Error %d)"), err);
+		SetTestStepResult(EFail);
+		return TestStepResult();
+		}
+	
+	INFO_PRINTF1(_L("Calling TLS session key exchange."));
+	
+	HBufC8* keyExMessage = NULL;
+	err = ClientKeyExchange(keyExMessage);
+	
+	if (err != KErrNone)
+		{
+		INFO_PRINTF2(_L("Failed! Key exchange failed! (Error %d)"), err);
+		delete keyExMessage;
+		SetTestStepResult(EFail);
+		return TestStepResult();
+		}
+		
+	INFO_PRINTF1(_L("Deriving premaster secret."));
+			
+	// derive the premaster secret from the key exchange method	
+	CleanupStack::PushL(keyExMessage);
+	HBufC8* premaster = DerivePreMasterSecretL(*keyExMessage);
+	CleanupStack::PopAndDestroy(keyExMessage);
+	
+	INFO_PRINTF1(_L("Deriving master secret."));
+	
+	// compute the master secret from the premaster.
+	CleanupStack::PushL(premaster);
+	HBufC8* master = ComputeMasterSecretL(*premaster);
+	CleanupStack::PopAndDestroy(premaster);
+	CleanupStack::PushL(master);
+	
+	// do the main meat of the test
+	ValidateServerFinishedL(*master);
+	
+	CleanupStack::PopAndDestroy(master);
+	return TestStepResult();
+	}
+	
+void CServerFinishedStep::ValidateServerFinishedL(const TDesC8& aMasterSecret)
+	{
+	// create a block of random data to represent our handshake messages,
+	// and create hash objects from it.
+	
+	HBufC8* handshake = HBufC8::NewLC(1024); // totally arbitary length...
+	TPtr8 handshakeBuf = handshake->Des();
+	handshakeBuf.SetLength(1024);
+	TRandom::RandomL(handshakeBuf);
+	
+	CMessageDigest* handshakeSha = CMessageDigestFactory::NewDigestLC(CMessageDigest::ESHA1);
+	CMessageDigest* handshakeMd = CMessageDigestFactory::NewDigestLC(CMessageDigest::EMD5);
+	
+	handshakeSha->Update(handshakeBuf);
+	handshakeMd->Update(handshakeBuf);
+	
+	INFO_PRINTF1(_L("Computing our test finished message."));
+	
+	// now, calculate our idea of what the finished message should be.
+	HBufC8* ourFinished = ComputeFinishedMessageL(handshakeSha, handshakeMd, aMasterSecret, EFalse);
+	CleanupStack::PushL(ourFinished);
+	
+	TInt expectedResult = KErrNone;
+	TBool tamper = EFalse;
+	if (GetBoolFromConfig(ConfigSection(), KTampterHandshakeMessages, tamper) && tamper)
+		{
+		INFO_PRINTF1(_L("Simulating man in the middle handshake tampering."));
+		
+		// we want to simulate a third party tampering with our handshake
+		expectedResult = KErrBadServerFinishedMsg;
+		TRandom::RandomL(handshakeBuf);
+		
+		handshakeSha->Reset();
+		handshakeMd->Reset();;
+		handshakeSha->Update(handshakeBuf);
+		handshakeMd->Update(handshakeBuf);
+		}
+	
+	INFO_PRINTF1(_L("Calling TLS Session to verify server finished message."));
+	
+	// ask TLS provider to verify our finished message
+	TInt err = VerifyServerFinishedL(handshakeSha, handshakeMd, *ourFinished);
+	if (err != expectedResult)
+		{
+		INFO_PRINTF3(_L("Failed! Expecting code %d, actual code %d."), expectedResult, err);
+		SetTestStepResult(EFail);
+		}
+	else
+		{
+		INFO_PRINTF1(_L("Test passed."));
+		SetTestStepResult(EPass);
+		}
+	CleanupStack::PopAndDestroy(4, handshake);	// handshakeSha, handshakeMd, ourFinished
+	}