vpnengine/ikev2lib/inc/ikev2proposal.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 17 Dec 2009 09:14:51 +0200
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/*
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* Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: IKEv2 Proposal handling.
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*
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*/
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#ifndef __IKEV2PROPOSAL_H_
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#define __IKEV2PROPOSAL_H_
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#include <e32base.h>
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#include "ikepolparser.h"
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#include "ikemsgheader.h"
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class CIkev2Payloads;
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class TPayloadIkev2;
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class TProposalIkev2;
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class TTransformIkev2;
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class CIkeV2Identity;
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class TIkev2SAData;
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class TIkeV2IpsecSAData;
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class Ikev2Proposal
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{
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public:
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	static HBufC8* FromPolicyToProposaL(TIkev2SAData& aIkeSaData, 
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                                        const TDesC8& aRekeySpi, 
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                                        TInt aDHGroupGuess, 
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                                        TBool aRekey=EFalse);	
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	static HBufC8* BuildSaResponseL(TProposalIkev2* aAcceptedProp, CIkev2Payloads* aAcceptedTrans);
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	static TBool GetSelectedProposalData(TIkev2SAData& aIkev2SaData,
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                                         TIkeV2IpsecSAData& aChildSaData, 
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                                         const CIkev2Payloads& aAcceptedProp, 
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                                         const TProposalIkev2& aProp);	
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	static TBool VerifySaResponseL(TIkev2SAData& aIkeSaData, 
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                                   TIkeV2IpsecSAData& aIpsecSaData, 
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                                   const TDesC8& aReferenceSaData, 
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                                   const CIkev2Payloads& aRespProp);
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	static TBool VerifySaRequestAndGetProposedSaBufferL(TIkev2SAData& aIkeSaData, 
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                                                        TIkeV2IpsecSAData& aIpsecSaData,
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                                                        const TDesC8& aReferenceSaData, 
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                                                        const CIkev2Payloads& aProposed,
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                                                        HBufC8*& aProposedSaBuffer);
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	static TBool VerifyProposaL(CIkev2Payloads* aReference, TProposalIkev2* aProposal, TIkev2SAData& aIkev2SaData);
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	static TBool CompareTransforms(CArrayFixFlat<TTransformIkev2*>* aRefTrans,
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								   CArrayFixFlat<TTransformIkev2*>* aTrans);  
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	static HBufC8* GetPSKFromPolicyL(CIkeData* aHostData);
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	static TBool IkeSaRekey(CIkev2Payloads* aIkeMsg);
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	static TBool GetRekeySpi(CIkev2Payloads* aIkeMsg, TIkeSPI& aSPI);
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	static void ChangeSpiInProposal(HBufC8* aSaBfr, TIkeSPI& aSPI);	
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	static TUint16 GetDHGroup(TInt aDHGroup);
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	static CIkeV2Identity* GetRemoteIdentityL(CIkeData* aHostData);	
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	static inline TBool PkiServiceNeeded(CIkeData* aHostData)
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	{
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	    ASSERT(aHostData); 
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	    if ( aHostData->iCAList && aHostData->iCAList->Count() )
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		    return ETrue;  
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        else return EFalse;
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	}
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};
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#endif