--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/realtimenetprots/sipfw/SIP/SIPSec/DigestPlugin/src/CSIPSecChallengeAKA.cpp	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,186 @@
+// Copyright (c) 2008-2009 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:
+// Name          : CSIPSecChallengeAKA.cpp
+// Part of       : SIPSec/DigestPlugin
+// Version       : SIP/6.0
+//
+
+
+
+#include "SipLogs.h"
+#include "CSIPSecChallengeAKA.h"
+#include "CSIPSecDigest.h"
+#include "CSIPSecSIMRecord.h"
+#include "CSIPSecDigestPlugin.h"
+#include "sipsecdigestcontext.h"
+#include "sipstrings.h"
+#include "sipstrconsts.h"
+#include <imcvcodc.h>
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+
+// -----------------------------------------------------------------------------
+// CSIPSecChallengeAKA::CSIPSecAlgAKA
+// -----------------------------------------------------------------------------
+//
+CSIPSecChallengeAKA::CSIPSecChallengeAKA( CSIPSecDigest::TChallengeType aType,
+										  CSIPSecRequestData::TQop aQop ) :
+    CSIPSecChallengeMD5( aType, aQop )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPSecChallengeAKA::NewLC
+// -----------------------------------------------------------------------------
+//
+CSIPSecChallengeAKA*
+CSIPSecChallengeAKA::NewLC( CSIPSecDigest::TChallengeType aType,
+                            CSIPAuthenticateHeaderBase& aAuthenticateHeader,
+                            CSIPSecRequestData::TQop aQop )
+    {
+	CSIPSecChallengeAKA* self = new ( ELeave ) CSIPSecChallengeAKA( aType,
+																	aQop );
+	CleanupStack::PushL( self );
+	self->ConstructL( aAuthenticateHeader );
+	return self;
+	}
+
+// -----------------------------------------------------------------------------
+// CSIPSecChallengeAKA::~CSIPSecChallengeAKA
+// -----------------------------------------------------------------------------
+//
+CSIPSecChallengeAKA::~CSIPSecChallengeAKA()
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPSecChallengeAKA::VerifyTypeL
+// -----------------------------------------------------------------------------
+//
+void CSIPSecChallengeAKA::VerifyTypeL( CSIPSecUserRecord::TType aType ) const
+	{
+	__ASSERT_ALWAYS( aType == CSIPSecUserRecord::EIMS,
+        			 User::Leave( KErrPermissionDenied ) );
+	}
+
+// -----------------------------------------------------------------------------
+// CSIPSecChallengeAKA::CreateUserRecordL
+// -----------------------------------------------------------------------------
+//
+CSIPSecUserRecord*
+CSIPSecChallengeAKA::CreateUserRecordL( const TDesC8& aRealm,
+										const MSIPSecUser& aUser,
+										TRegistrationId aRegistrationId,
+									    TTransactionId aTransactionId,
+									    TUint aResponseCode ) const
+	{
+	CSIPSecSIMRecord* record = CSIPSecSIMRecord::NewL( aRealm,
+													   aUser,
+													   aRegistrationId,
+													   aTransactionId );
+	record->UpdateMessageCounter( aResponseCode );
+	return record;
+	}
+
+// -----------------------------------------------------------------------------
+// CSIPSecChallengeAKA::SupportedAlgorithm
+// -----------------------------------------------------------------------------
+//
+RStringF CSIPSecChallengeAKA::SupportedAlgorithm()
+    {
+    return SIPStrings::StringF( SipStrConsts::EAKAv1MD5 );
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPSecChallengeAKA::AlgorithmName
+// -----------------------------------------------------------------------------
+//
+RStringF CSIPSecChallengeAKA::AlgorithmName() const
+    {
+    return CSIPSecChallengeAKA::SupportedAlgorithm();
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPSecChallengeAKA::ProcessResponseL
+// -----------------------------------------------------------------------------
+//
+TBool CSIPSecChallengeAKA::ProcessResponseL( TSIPSecDigestCtxSetup& aContext,
+									   	     TBool& aAskCredentials ) const
+    {
+    // AKA gets credentials from SIM card, not from MSIPSecUser
+    aAskCredentials = EFalse;
+
+	CSIPSecSIMRecord& userData =
+		static_cast< CSIPSecSIMRecord& >( aContext.UserData() );
+    if ( userData.IsValid() )
+    	{
+    	if ( userData.Failure() == CSIPSecSIMRecord::ESQN )
+            {
+            const TInt KBase64EncodedAutsLength = 20;
+			HBufC8* auts = HBufC8::NewLC( KBase64EncodedAutsLength );
+			TPtr8 autsPtr( auts->Des() );
+
+		    TImCodecB64 encoder;
+		    User::LeaveIfError( encoder.Encode( userData.AUTS(), autsPtr ) );
+            aContext.SetParamValueL( SipStrConsts::EAuts, *auts );
+
+            CleanupStack::PopAndDestroy( auts );
+            }
+        if ( userData.SecretData().Length() == 0 )
+            {
+            CalculateSecretDataA1L( aContext );
+            }
+        return EFalse;
+    	}
+
+    aContext.RequestUserCredentialsL();
+    return ETrue;
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPSecChallengeAKA::ProcessRequestL
+// -----------------------------------------------------------------------------
+//
+void
+CSIPSecChallengeAKA::ProcessRequestL( TSIPSecDigestCtxProcess& aContext ) const
+    {
+    __SIP_LOG( "SIPSecChallAKA:ProcessRequestL" )
+
+    CSIPSecSIMRecord& userData =
+    	static_cast< CSIPSecSIMRecord& >( aContext.UserData() );
+    __ASSERT_ALWAYS ( userData.Failure() != CSIPSecSIMRecord::EPrivateIdentity,
+    				  User::Leave( KErrGeneral ) );
+
+    if ( userData.Failure() == CSIPSecSIMRecord::EMAC )
+        {
+        __SIP_LOG( "MAC failure, set empty nonce&response" )
+
+		aContext.SetParamWithEmptyValueL( SipStrConsts::ENonce );
+        aContext.SetParamWithEmptyValueL( SipStrConsts::EResponse );
+        }
+    else
+    	{
+    	if ( userData.Failure() == CSIPSecSIMRecord::ESQN &&
+    		 aContext.Parent().Plugin().EmptyResponseAfterSqnFailure() )
+    		{
+    		__SIP_LOG( "set empty response parameter after SQN" )
+    		aContext.SetParamWithEmptyValueL( SipStrConsts::EResponse );
+    		}
+    	else
+    		{
+    		CSIPSecChallengeMD5::ProcessRequestL( aContext );
+    		}
+        }
+    }