author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 19 Aug 2010 11:25:30 +0300 | |
branch | RCL_3 |
changeset 53 | 7e41d162e158 |
parent 0 | af10295192d8 |
child 57 | abbed5a4b42a |
permissions | -rw-r--r-- |
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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: |
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// |
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/** |
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@file |
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@publishedPartner |
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@released |
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*/ |
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#ifndef __LIB_PFKEY_H__ |
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#define __LIB_PFKEY_H__ |
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#include <e32std.h> |
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#include <in_sock.h> |
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#include <networking/pfkeyv2.h> |
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/** |
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* This class is only used directly by the incoming packet processing path. |
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* Here we are only interested in the start position of the extension here. |
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*/ |
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class TPfkeyAnyExt : public TPtrC8 |
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{ |
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public: |
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/** |
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* Create an extension from a ByteStream, checking for basic length |
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*/ |
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inline TPfkeyAnyExt(const TDesC8& aDes); |
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inline TPfkeyAnyExt(); |
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inline TUint16 ExtLen() const; |
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inline TUint16 ExtType() const; |
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protected: |
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/** |
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* Gets a reference to the extension header |
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*/ |
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inline const struct sadb_ext& ExtHdr() const; |
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inline struct sadb_ext& ExtHdr(); |
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/** |
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* Base class copy constructor will work |
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* Assignment operator is banned in the base class |
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*/ |
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}; |
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/** |
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* TPfkeyExt is the whole extension including the data in the extension |
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* This is aware of the Size and Start position of the Header, as well |
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*/ |
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// Outgoing messages have access to the type |
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// Incoming ones do not |
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template <class T> |
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class TPfkeyExt : public TBuf8<sizeof(T)> |
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{ |
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public: |
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/** |
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* Gets a reference to the raw extension |
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*/ |
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inline const T& Ext() const; |
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inline T& Ext(); |
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protected: |
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/** |
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* Default Constructor |
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*/ |
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inline TPfkeyExt(); |
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}; |
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/** |
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* The base class for all messages to and from the SADB. |
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*/ |
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#ifdef SYMBIAN_NETWORKING_IPSEC_IKE_V2 |
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#ifdef SYMBIAN_IPSEC_VOIP_SUPPORT |
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static const TInt KPfkeyMsgMaxLen = 1600; |
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#else |
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static const TInt KPfkeyMsgMaxLen = 800; |
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#endif // SYMBIAN_IPSEC_VOIP_SUPPORT |
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#else |
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static const TInt KPfkeyMsgMaxLen = 400; |
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#endif |
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class TPfkeyMsgBase : public TBuf8<KPfkeyMsgMaxLen> |
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{ |
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public: |
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/** |
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*/ |
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inline const struct sadb_msg& MsgHdr() const; |
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inline struct sadb_msg& MsgHdr(); |
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protected: |
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/** |
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* Creates a Pfkey mesage of minimal(sadb_msg) size |
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*/ |
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inline TPfkeyMsgBase(); |
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inline TPfkeyMsgBase(const TDesC8& aOther); |
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}; |
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/** |
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* Concrete class used for sending messages |
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* The class is completely generic and can be used for all messages. |
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* Has convenience functions to build up the message when demanded. |
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*/ |
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class RSADB; |
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class TPfkeySendMsgBase : public TPfkeyMsgBase |
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{ |
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public: |
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/** |
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* This initializes the packet stream and sets the packet header |
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* This can leave |
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*/ |
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IMPORT_C TPfkeySendMsgBase(TUint8 aType, TUint8 aSatype, TInt aRequestCount, TInt aPid); |
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|
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IMPORT_C TPfkeySendMsgBase(); |
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/** |
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*/ |
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IMPORT_C void Reset(TUint8 aType, TUint8 aSaType, TInt aRequestCount, TInt aPid); |
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/** |
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* This adds the extensions in the list to the message, |
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* @param aExtHdr |
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* extension header to be added to the message |
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* @param aExtData |
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* extension data to be added to the message |
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*/ |
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IMPORT_C TInt AddExt(const TPfkeyAnyExt& aExtHdr, const TDesC8& aExtData = KNullDesC8); |
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|
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IMPORT_C void Finalize(); |
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}; |
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|
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/** |
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* Concrete class used for receiving messages |
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* Has convenience functions to decode the message when demanded |
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*/ |
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class TPfkeyRecvMsg : public TPfkeyMsgBase |
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{ |
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public: |
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/** |
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* Read the next extension from the header and put it in the |
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* descriptor passed to it. |
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* @return |
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* KErrNone If this is a valid extension |
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* KErrNotFound If there are no more extensions |
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* KErrGeneral If this extension was invalid |
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* Try our best not to Leave. |
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*/ |
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IMPORT_C TInt NextExtension(TPfkeyAnyExt& aExt); |
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|
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IMPORT_C void Reset(); |
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IMPORT_C TInt BytesUnparsed(); |
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|
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IMPORT_C TPfkeyRecvMsg(); |
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IMPORT_C TPfkeyRecvMsg(const TDesC8& aOther); |
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|
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private: |
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TInt iReadOffset; |
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TInt iRemaining; |
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}; |
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|
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/** |
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* A handle to the stack side Ipsec SADB. All communication to the SADB |
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* takes place through this socket. As this happens using a well defined |
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* interface, PfkeyV2, the client is supposed to be aware of the semantics |
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* of using pfkey. |
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* |
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* This class has to be a singleton in a thread |
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* The implementation of this class is not thread safe. |
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*/ |
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class RSADB |
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{ |
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public: |
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/** |
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* Opens the handle to stack side SADB |
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* @param aServer |
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* A socketserver session to use |
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* @return KErrNone if successful |
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*/ |
0
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IMPORT_C TInt Open(RSocketServ& aServer); |
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IMPORT_C void Close(); |
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// Send Request |
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IMPORT_C void SendRequest(const TDesC8& aMsg, TRequestStatus& aStatus); |
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IMPORT_C void CancelSend(); |
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// Separate Read Request |
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IMPORT_C void ReadRequest(TDes8& aMsg, TRequestStatus& aStatus); |
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IMPORT_C void CancelRecv(); |
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IMPORT_C void FinalizeAndSend(TPfkeySendMsgBase& aMessage, TRequestStatus& aStatus); |
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IMPORT_C void SetOpt(TUint aLevel,TUint aName,const TDesC8 &aOption); |
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IMPORT_C ~RSADB(); |
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IMPORT_C RSADB(); |
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private: |
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RSADB(const RSADB&); |
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RSocket iPfkeySocket; |
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private: |
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TBool iRegistered; |
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}; |
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#include "lib_pfkey.inl" |
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#endif //__LIB_PFKEY_H__ |