vpnengine/ikev1lib/inc/ikev1SA.h
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     1 /*
       
     2 * Copyright (c) 2005-2009 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 "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:  IKEv1 SA
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #ifndef C_IKEV1SA_H
       
    20 #define C_IKEV1SA_H
       
    21 
       
    22 #include "ikev1SAdata.h"
       
    23 #include "ikev1keepalive.h"
       
    24 
       
    25 #define SECOND 1000000  // One second is 1000000 us. (1 us. per tick)
       
    26 #define ISAKMP_DELETE_TIME 2*SECOND    //Expiration time for a ISAKMP SA after it's erased
       
    27 
       
    28 class CIkev1PluginSession;
       
    29 class CIkev1NokiaNattKeepAlive;
       
    30 class MIkeDebug;
       
    31 
       
    32 //List of the IPSEC SAs negotiated by the ISAKMP SA
       
    33 NONSHARABLE_CLASS(CIpsecSPIList) : public CArrayPtrFlat<TIpsecSPI>
       
    34 {
       
    35 	public:
       
    36 		CIpsecSPIList(TInt aGranularity);
       
    37 		~CIpsecSPIList();
       
    38 };
       
    39 
       
    40 NONSHARABLE_CLASS(CIkev1SA) : public CTimer, public MDpdHeartBeatEventHandler
       
    41 {
       
    42 	public:
       
    43 		static CIkev1SA* NewL( CIkev1PluginSession& aPluginSession,
       
    44 		                       TIkev1SAData& aIkev1SAdata,
       
    45 		                       CSARekeyInfo* aSaRekey,
       
    46 		                       MIkeDebug& aDebug );	
       
    47 		~CIkev1SA();	
       
    48 
       
    49 		void UpdateSAL( TBool aExpired,
       
    50 		                TIkev1SAData* aIkev1SAdata );
       
    51 		void ExpireSA();
       
    52 		void AddIpsecSPIL( TIpsecSPI& aIpsecSpi );
       
    53         TBool FindIpsecSPI( TUint32 aSPI,
       
    54                             TBool aInbound );
       
    55 		TBool DeleteIpsecSPI( TUint32 aSPI,
       
    56 		                      TBool aInbound );
       
    57 		/**
       
    58 		 * Deletes IPsec SAs and sends delete payload to the GW.
       
    59 		 */
       
    60 		void DeleteIpsecSAs();
       
    61 		/**
       
    62 		 * Deletes IPsec SAs without sending delete payload to the GW.
       
    63 		 * Used when connection is lost.
       
    64 		 */
       
    65 		void DeleteIpsecSAsForced();	
       
    66 		void SetExpired();
       
    67 		inline TBool IsExpired() {return iExpired;}
       
    68 		void EventHandlerL();
       
    69 		
       
    70 		inline void SetDeactivating( TBool aDeactivating ) { iDeactivating = aDeactivating; }
       
    71 		inline TBool IsDeactivating() { return iDeactivating; }
       
    72 		
       
    73 		void CancelRekey();
       
    74 
       
    75 	protected:
       
    76 	//
       
    77 	// CActive methods
       
    78 	//
       
    79 		void DoCancel();
       
    80 		void RunL();
       
    81 		TInt RunError(TInt aError);
       
    82 
       
    83 	private:
       
    84 		CIkev1SA( CIkev1PluginSession& aPluginSession,
       
    85 		          MIkeDebug& aDebug );
       
    86 		void ConstructL( TIkev1SAData& aIkev1SAdata,
       
    87 		                 CSARekeyInfo* aSaRekey );
       
    88 
       
    89 		void StartTimer();
       
    90 
       
    91 	public:	
       
    92 		TIkev1SAData iHdr;      // Common negotiation info
       
    93 	    CIpsecSPIList* iSPIList;    //Contains a SPIs List to know the direction when a delete received
       
    94 
       
    95 	private:	
       
    96 	    CIkev1PluginSession&  iPluginSession;
       
    97 	
       
    98 		TUint32 iRemainingTime;     //Timer remaining
       
    99 		TUint32 iRemainingKB;       //KB life remaining
       
   100 		TUint32 iCurrentBytes;      //Bytes life currently added
       
   101 
       
   102 		TUint32 iLeftOverTime;      //Time remaining after rekey started
       
   103 		TBool   iRekeyed;           //Rekeyed SA
       
   104 
       
   105 		CIkeV1KeepAlive* iIkeKeepAlive; // Pointer to common IKE keepalive object
       
   106 
       
   107 		TBool iExpired;     //The ISAKMP SA may be expired but waiting possible delete IPSEC SA msgs that arrive after
       
   108 		
       
   109 		CIkev1NokiaNattKeepAlive *iNokiaNatt; // Pointer to Nokia NAT-T keepalive object
       
   110 		
       
   111 		TBool iDeactivating;
       
   112 		
       
   113 		MIkeDebug& iDebug;		
       
   114 };
       
   115 
       
   116 #endif // C_IKEV1SA_H