1 /*

     2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the License "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 

    19 /** 

    20 @file

    21 

    22 @internalComponent

    23 @released

    24 */

    25 

    26 #include <caf/streaming/keystreamsink.h>

    27 #include <caf/streaming/keyassociation.h>

    28 

    29 #include <in_sock.h>

    30 #include <lib_pfkey.h>

    31 #include <pfkey_send.h>

    32 #include <ipsecpolapi.h>

    33 

    34 #ifndef __IPSECKEYSTREAMSINK_H__

    35 #define __IPSECKEYSTREAMSINK_H__

    36 

    37 class RDesReadStream;

    38 

    39 namespace StreamAccess

    40 {

    41 	NONSHARABLE_CLASS(CIpSecKeyStreamSink) : public CKeyStreamSink

    42 	{

    43 	public:

    44 		 static CIpSecKeyStreamSink* NewLC(RReadStream& aReadStream);

    45 		 static CIpSecKeyStreamSink* NewLC(const TInetAddr& aSrcAddr, const TInetAddr& aDstAddr);

    46 		 ~CIpSecKeyStreamSink();

    47 		 		 

    48 		 // CKeyStreamSink interface

    49 		 CKeyStreamSink* CloneLC() const;

    50 		 void ProcessNewKeyAssociationL(const CKeyAssociation& aKeyAssociation);

    51 		 void SetEncryptionAlgorithmL(const TEncryptionAlgorithm& aEncryptionAlgorithm);

    52 		 void SetAuthenticationAlgorithmL(const TAuthenticationAlgorithm& aAuthenticationAlgorithm);	 

    53 	protected:

    54 		 void DoExternalizeL(RWriteStream& aStream) const;

    55 	private:

    56 		 void ConstructL();

    57 		 void SetPolicyL();

    58 		 void RemoveSaL(TUint32 aSpi);

    59 		 void SynchronousSendAndVerifyMessageL(TPfkeySendMsg& aMessage, TInt aMessageType, TUint32 aSpi);

    60 		 TBool CompareReceivedMessageExtensionsL(TPfkeyRecvMsg &aReceivedReply, TUint32 aSpi) const;

    61 		 void VerifyAssociationsNotSentL() const;

    62 		 CIpSecKeyStreamSink(const TInetAddr& aSrcAddr, const TInetAddr& aDstAddr);

    63 		 void AddAssociationL(TPfkeySendMsg& aMessage, TUint32 aSpi);

    64 	private:

    65 		 RSocketServ iSocketServ;

    66 		 /** Handle to policy server */

    67 		 RIpsecPolicyServ iPolicyServer;

    68 		 /** Handle to SADB socket */

    69 		 RSADB iSADB;

    70  		 TInetAddr iSourceAddr;

    71 		 TInetAddr iDestinationAddr;

    72 		 TUint8 iAuthAlg;

    73 		 TUint8 iEncAlg;

    74 		 TUint32 iSequenceNumber;

    75 		 /** Signifies whether a security policy has already been set */

    76 		 TBool iPolicySet;

    77 		 TPolicyHandlePckg iPolicyHandle;

    78 		 /** Used for removing old SA-s, managed as a FIFO queue */

    79 		 RArray<TUint32> iSubmittedSpiList; 

    80 		 /** Number of supported concurrent SA-s */

    81 		 TInt iMaxSpiNumber; 

    82 	};

    83 } // namespace StreamAccess

    84 #endif /* __IPSECKEYSTREAMSINK_H__ */

    85 

    86