--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vpnengine/ikev1lib/inc/ikev1trans.h	Thu Dec 17 09:14:51 2009 +0200
@@ -0,0 +1,155 @@
+/*
+* Copyright (c) 2005-2009 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: IKE transaction exchange implementation.
+*
+*/
+
+
+#ifndef IKEV1TRANS_H
+#define IKEV1TRANS_H
+
+#include "ikev1dialog.h"
+#include "ikev1payloads.h"
+
+/*---------------------------------------------------------------------------
+ *
+ *  Transaction exchange return codes (returned by ExecuteL() method)
+ *
+ *---------------------------------------------------------------------------*/
+#define TRANSACTION_SUCCESS   0
+#define TRANSACTION_CONTINUE  0x1
+#define TRANSACTION_IGNORE    0x2
+#define TRANSACTION_FAILED    0x4
+
+#define IV_LTH   20
+/**--------------------------------------------------------------------------
+ *
+ * Structure TTransExchange
+ * Contains parameter data related one ISAKMP Transaction exchange
+ *
+ *--------------------------------------------------------------------------*/
+struct TTransExchange
+{
+    TUint32       iMessageId;
+    TUint16       iIdentifier;  
+    TUint16       iXauthType; 
+    TInt          iRole;
+    TBuf8<IV_LTH> iIV;
+    TTransExchange()
+        {
+        iMessageId = 0;
+        iIdentifier = 0;
+        iXauthType = 0;
+        iRole = 0;
+        };
+};
+
+
+class CIkev1Negotiation;
+class ThdrISAKMP;
+class CAuthDialogInfo;
+class CInternalAddress;
+class TIkev1IsakmpStream;
+class MIkeDebug;
+class TInetAddr;
+
+/**--------------------------------------------------------------------------
+ *
+ * CTransNegotiation class 
+ * Handles ISAKMP transaction exchange messages
+ * Both the ISAKMP Configuration Method <draft-dukes-ike-mode-cfg-01.txt> and
+ * Extended Authentication within IKE (XAUTH) <draft-beaulieu-ike-xauth-02.txt>
+ * has been implemented using ISAKMP transaction exchange messages.
+ * This class handles both the transaction exchange message handling and
+ * config mode/XAUTH protocol processing.  
+ *
+ *--------------------------------------------------------------------------*/
+NONSHARABLE_CLASS(CTransNegotiation) : public CArrayFixFlat<TTransExchange *>, public MIkeDialogComplete
+{
+public:
+    ~CTransNegotiation();           
+    static CTransNegotiation* NewL( TBool aUseXauth,
+                                    TBool aUseCfgMode,
+                                    CIkev1PluginSession* aPluginSession,
+                                    CIkev1Negotiation* aNegotiation,
+                                    MIkeDebug& aDebug );              
+    TInt ExecuteL( const ThdrISAKMP& aHdr,
+                   const TInetAddr& aSrcAddr,
+                   TInt aLocalPort );
+    TInt ProcessUserResponseL(CAuthDialogInfo *aDialogInfo );   
+    TInt TransactionFailedL(const TNotificationISAKMP *aNotifPayload);  
+    TBool GetIV(TUint32 aMsgId, TDes8& aIV);
+    TBool SetIV(TUint32 aMsgId, TDes8& aIV);    
+    CInternalAddress* GetInternalAddr()
+    {
+        CInternalAddress* ia = iInternalAddr;
+        iInternalAddr = NULL;
+        return ia;
+    }
+    static TUint16 GetAuthMethod(TUint16 aAuthMethod, TBool aXauthUsed, TInt aRole);
+    static void BuildXauthVendorId(TIkev1IsakmpStream &aMsg);
+
+	TInt DialogCompleteL(CIkev1Dialog* aDialog, TAny* aUserInfo, HBufC8* aUsername,
+	                     HBufC8* aSecret, HBufC8* aDomain);	
+	TInt BuildConfigRequestL();
+    
+private:
+    TTransExchange* FindExchange(TUint32 aMsgId);
+    TTransExchange* AddExchangeL(TUint32 aMsgId, TUint8 aRole);
+    TUint16 GetIdentifier()
+    {
+        iIdentifierBase --;
+        if ( (iIdentifierBase & 0xffff) == 0 )
+           iIdentifierBase --;  
+        return (TUint16)iIdentifierBase;
+    }
+    TInt TransactionExchangeL(const ThdrISAKMP &aHdr);   
+    TInt ProcessAttributesL(const TAttributeISAKMP *aAttr);
+    TInt ProcessCfgModeAttrsL(TDataISAKMP* aAttr, TInt aLth);
+    TInt ProcessXauthRequestL(TDataISAKMP* aAttr, TInt aLth);    
+    TInt ProcessXauthStatusL(TDataISAKMP* aAttr, TInt aLth);
+    TInt CheckTransactionStatusL(TInt aStatus); 
+    void AddAttributeData(TDes8& aAttrBfr, TInt aType, TInt aLth, TUint8* aData);
+    void BuildAndSendMessageL(TDesC8& aAttrBfr, TUint8 aMsgType); 
+    CTransNegotiation( TInt aGranularity,
+                       TBool aUseXauth,
+                       TBool aUseCfgMode,
+                       CIkev1PluginSession* aPluginSession,
+                       CIkev1Negotiation* aNegotiation,
+                       MIkeDebug& aDebug );
+    void ConstructL(); 
+
+private:
+    CIkev1PluginSession* iPluginSession;
+    CIkev1Negotiation* iNegotiation;
+    CInternalAddress*  iInternalAddr;
+    TTransExchange*    iCurrExchange;
+    CIkev1Dialog*      iDialog;
+    CAuthDialogInfo*   iDialogInfo;
+	HBufC8*            iUserName;    // Saved for User name caching
+	
+    TBool   iUseXauth;
+    TBool   iUseCfgMode;    
+    TUint32 iIdentifierBase;
+    TUint32 iRequestFlags;
+    TBool   iXauthCompleted;
+    TBool   iCfgModeCompleted;
+	TBool   iUseOlderPIXXauth;     // use draft-ietf-ipsec-isakmp-xauth-04.txt  
+                                   
+    TLastIKEMsg iLastTransMsgInfo;    
+    MIkeDebug& iDebug;
+};
+
+
+#endif // IKEV1TRANS_H