/*

* Copyright (c) 2007-2009 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:   CIkev1payload class

*

*/

#include "ikev1payload.h"

#include "ikev1negotiation.h"

#include "ikedebug.h"

//

//  CIkePayloads

//

CIkev1Payloads::CIkev1Payloads( CIkev1Negotiation& aNegotiation,

                                MIkeDebug& aDebug )

 : iNegotiation( aNegotiation ),

   iDebug( aDebug )

{	

}	

CIkev1Payloads::~CIkev1Payloads()

{

	delete iIds;	

	delete iCerts;

	delete iCertReqs;

	delete iNotifs;

	delete iDeletes; 	

	delete iVids;

	delete iNatDs;

	delete iGenPlds;				

}

CIkev1Payloads* CIkev1Payloads::NewL( const ThdrISAKMP& aHdr,

                                      CIkev1Negotiation& aNegotiation,

                                      MIkeDebug& aDebug )

{

	CIkev1Payloads* Payloads = new (ELeave) CIkev1Payloads( aNegotiation,

	                                                        aDebug );

	CleanupStack::PushL(Payloads);	

	Payloads->iIds      = new (ELeave) CArrayFixFlat<const TIdentISAKMP *>(4);	

	Payloads->iCerts    = new (ELeave) CArrayFixFlat<const TCertificateISAKMP *>(4);

	Payloads->iCertReqs = new (ELeave) CArrayFixFlat<const TCertificateReqISAKMP *>(4);

	Payloads->iNotifs   = new (ELeave) CArrayFixFlat<const TNotificationISAKMP *>(4);

	Payloads->iDeletes  = new (ELeave) CArrayFixFlat<const TDeleteISAKMP *>(4);		

	Payloads->iVids     = new (ELeave) CArrayFixFlat<const TVendorISAKMP *>(4);

	Payloads->iNatDs    = new (ELeave) CArrayFixFlat<const TNATDISAKMP *>(4);

	Payloads->iGenPlds  = new (ELeave) CArrayFixFlat<const TPayloadISAKMP *>(4);

	if ( !Payloads->ParsePayloadsL(aHdr) )

	{

	   CleanupStack::PopAndDestroy();		

	   Payloads = NULL;

	}	 

	else CleanupStack::Pop();

	return Payloads;

}

TBool CIkev1Payloads::ParsePayloadsL(const ThdrISAKMP &aHdr)

{

	TBool   Status = ETrue;

	TUint16 ptype  = aHdr.GetPayload();

	const TPayloadISAKMP* payload = (const TPayloadISAKMP*)aHdr.Next();

	iPadding = aHdr.GetLength() - sizeof(aHdr);

	while ( ptype != ISAKMP_PAYLOAD_NONE )

	{

		if (!iNegotiation.CheckGenericPayloadL(payload))  //Checks the generic payload is OK

		{

			Status = EFalse;

			break;

		}

		switch (ptype)

		{

			case ISAKMP_PAYLOAD_SA: //also includes proposal and transform

				DEBUG_LOG(_L("[SA]"));

				if ( !iSa )	 // Only one SA payload (The first)	

				   iSa = TSAISAKMP::Ptr(payload);

				break;

			case ISAKMP_PAYLOAD_KE: 

				DEBUG_LOG(_L("[KE]"));

				if ( !iKe )	 // Only one KE payload (The first)	

				   iKe = TKeyISAKMP::Ptr(payload);

				break;

			case ISAKMP_PAYLOAD_ID: 

				DEBUG_LOG(_L("[ID]"));

				iIds->AppendL(TIdentISAKMP::Ptr(payload));

				break;

			case ISAKMP_PAYLOAD_CERT:

				DEBUG_LOG(_L("[CERT]"));

				iCerts->AppendL(TCertificateISAKMP::Ptr(payload));

				break;

			case ISAKMP_PAYLOAD_CR: 

				DEBUG_LOG(_L("[CR]"));

				iCertReqs->AppendL(TCertificateReqISAKMP::Ptr(payload));

				break;

			case ISAKMP_PAYLOAD_HASH:

				DEBUG_LOG(_L("[HASH]"));

				if ( !iHash )	 // Only one HASH payload (The first)	

				   iHash = THashISAKMP::Ptr(payload);

				break;

			case ISAKMP_PAYLOAD_SIG:

				DEBUG_LOG(_L("[SIG]"));

				if ( !iSign )	 // Only one HASH payload (The first)	

				   iSign = TSignatureISAKMP::Ptr(payload);

				break;

			case ISAKMP_PAYLOAD_NONCE:

				DEBUG_LOG(_L("[NONCE]"));

				if ( !iNonce )	 // Only one NONCE payload (The first)	

				   iNonce = TNonceISAKMP::Ptr(payload);

				break;

			case ISAKMP_PAYLOAD_NOTIF:

				DEBUG_LOG(_L("[NOTIF]"));

				iNotifs->AppendL(TNotificationISAKMP::Ptr(payload));						

				break;

			case ISAKMP_PAYLOAD_D:

				DEBUG_LOG(_L("[DELETE]"));

				iDeletes->AppendL(TDeleteISAKMP::Ptr(payload));						

				break;

			case ISAKMP_PAYLOAD_VID:

				DEBUG_LOG(_L("[VID]"));

				iVids->AppendL(TVendorISAKMP::Ptr(payload));

				break;

            //

			// Extensions payloads  

			//

			case ISAKMP_PAYLOAD_ATTRIBUTES:

				DEBUG_LOG(_L("[ATTR]"));

				if ( !iAttr )	 // Only one ATTR payload (The first)	

				   iAttr = TAttributeISAKMP::Ptr(payload);

				break;

			case ISAKMP_PAYLOAD_CHRE:

				DEBUG_LOG(_L("[CHRE]"));

				if ( !iChre )	 // Only one CHRE payload (The first)	

			       iChre = TCHREISAKMP::Ptr(payload);

                break;

			case ISAKMP_INT_NETWORK:

				DEBUG_LOG(_L("[IA]"));

				if ( !iIaddr )	 // Only one IA payload (The first)	

				   iIaddr = TINTNETISAKMP::Ptr(payload);

				break;  		

			case IETF_NAT_DISCOVERY:

				DEBUG_LOG(_L("[NAT-D]"));

				iNatDs->AppendL(TNATDISAKMP::Ptr(payload));

				break;

			case IETF_RFC_NAT_DISCOVERY:

				DEBUG_LOG(_L("[NAT-D]"));

				iNatDs->AppendL(TNATDISAKMP::Ptr(payload));

				break;	

			case IETF_NAT_ORIG_ADDR:

				DEBUG_LOG(_L("[NAT-OA]"));

				if ( !iNatOa )	 // Only one NONCE payload (The first)	

				   iNatOa = TNATOaISAKMP::Ptr(payload);

				break;

			case IETF_RFC_NAT_ORIG_ADDR:

				DEBUG_LOG(_L("[NAT-OA]"));

				if ( !iNatOa )	 // Only one NONCE payload (The first)	

				   iNatOa = TNATOaISAKMP::Ptr(payload);

				break;

			//

			// Unknown payloads are queued into iGenPlds array

			//

			default: 

				DEBUG_LOG1(_L("[PL TYPE (%d)]"),ptype);

				iGenPlds->AppendL(payload);												

				break;

		}

		iPadding -= payload->GetLength(); 

		ptype     = payload->GetPayload();

		payload   = payload->Next();

	}

	return Status;

}