// 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 verifyCancellationStep.cpp

 @internalTechnology

*/

#include "verifyCancellationstep.h"

#include <tlsprovinterface.h>

CVerifyCancellationStep::CVerifyCancellationStep()

	{

	SetTestStepName(KVerifyCancellationStep);

	}

TVerdict CVerifyCancellationStep::doTestStepPreambleL()

	{

	ConstructL();

	CTlsCryptoAttributes* atts = Provider()->Attributes();

	// 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);

	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;

	return EPass;

	}

TVerdict CVerifyCancellationStep::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();

		}

	// 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);

	// Request for provider cancel

	ProviderCancelReq();

	delete cert;

	cert = NULL;

	err = VerifyServerCertificateL(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();

		}

		// Request for session cancel

	SessionCancelReq();	

	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);

	delete master;

	return TestStepResult();

	}