// Copyright (c) 2004-2009 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:

// Name          : CStatePendingKey.cpp

// Part of       : SIPSec, IpSec Plugin

// Version       : SIP/4.0 

//

#include "sipsecurityheaderbase.h"

#include "sipresponse.h"

#include "CSipSecAgreeRecord.h"

#include "SipSecIpsecParams.h"

#include "MIpSecAgreeContextParams.h"

#include "CIpSecSadbHandler.h"

#include "SipSecUtils.h"

#include "CStatePendingKey.h"	

// ----------------------------------------------------------------------------

// CPendingKey::CPendingKey

// ----------------------------------------------------------------------------

//

CPendingKey::CPendingKey() 

    {

    }

// ----------------------------------------------------------------------------

// CPendingKey::State

// ----------------------------------------------------------------------------

//

CState::TSecAgreeRecordState CPendingKey::State()

	{

	return EPendingKey;

	}

// ----------------------------------------------------------------------------

// CPendingKey::TimerExpiredL

// ----------------------------------------------------------------------------

//

void CPendingKey::TimerExpiredL(  

	CSipSecAgreeRecord& aRec,

	TTimerId /* aTimerId */, 

	TAny* /* aTimerParam */ )

	{

	aRec.iParams.SaDeleted( &aRec );

	}

// ----------------------------------------------------------------------------

// CPendingKey::Resp4xxL

// ----------------------------------------------------------------------------

//					  	  	

void CPendingKey::Resp4xxL(  

	CSipSecAgreeRecord& aRec,

	CSIPResponse& aResponse,

	CSIPRequest& /* aRequest */ )

	{

	aRec.iSecVerifyHeaders.ResetAndDestroy();

	aRec.CopyHeadersFromMessageL( aResponse, EFalse );

	// Wait 4 minutes for Digest plugin to generate a new key

	aRec.StartTimerL( KTempTime );

	}

// ----------------------------------------------------------------------------

// CPendingKey::AuthKeyL

// ----------------------------------------------------------------------------

//		

TBool CPendingKey::AuthKeyL(  

	CSipSecAgreeRecord& aRec,

	const TDesC8& aAuthKey )

	{	

	// 1. Find all security-verify headers with KIpSec3gpp mechanism

	// 2. Find which one has highest q

	// 3. Find security-client header that has the same algorithm

	CSIPSecurityHeaderBase* 

		vh = SipSecUtils::HeaderWithHighestVaL( aRec.iSecVerifyHeaders,

											     KIpSec3gpp,

											     KPreference );

	__ASSERT_ALWAYS( vh, User::Leave( KErrNotFound ) );

	const RStringF alg = SipSecUtils::ValueFL( *vh, KAlgorithm );

	CSIPSecurityHeaderBase* 

		ch = SipSecUtils::HeaderWithParamVaL( 

								 aRec.iSecClientHeaders,

								 KIpSec3gpp,

								 KAlgorithm,

								 alg.DesC() );

	aRec.SetSaParamsL( *ch, *vh, aAuthKey );

	aRec.AddSasL();

	aRec.NextState( EPendingSa );

	return ETrue;

	}

// ----------------------------------------------------------------------------

// CPendingKey::AuthKeyFailedL

// ----------------------------------------------------------------------------

//	

void CPendingKey::AuthKeyFailedL( CSipSecAgreeRecord& aRec )

    {

    // aRec will be deleted because of incorrect MAC or SQN in received 401

    ClearSaL( aRec );

    }

// ----------------------------------------------------------------------------

// CPendingKey::ClearSaL

// ----------------------------------------------------------------------------

//	

void CPendingKey::ClearSaL(	CSipSecAgreeRecord& aRec )

	{

	aRec.StopTimer();

	aRec.iParams.SaCleared( &aRec );	

	}

// End of File