--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/syncmlfw/common/syncagent/src/nsmlauth.cpp	Thu Dec 17 09:07:52 2009 +0200
@@ -0,0 +1,295 @@
+/*
+* Copyright (c) 2002 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:  Server authentication
+*
+*/
+
+
+
+#include <imcvcodc.h>
+#include <e32math.h>
+#include "NSmlAuth.h"
+#include "nsmlcliagconstants.h"
+#include "NSmlAgentBase.h"
+#include "nsmlagenttestdefines.h"
+
+
+
+// ---------------------------------------------------------
+// CNSmlAuth::CNSmlAuth()
+// Constructor, nothing special in here.
+// ---------------------------------------------------------
+//
+CNSmlAuth::CNSmlAuth()
+	{
+	}
+
+// ---------------------------------------------------------
+// CNSmlAuth::~CNSmlAuth()
+// Destructor
+// ---------------------------------------------------------
+//
+CNSmlAuth::~CNSmlAuth()
+	{
+	delete iCredential;
+	delete iType;
+	delete iFormat;
+	delete iNonce;
+	delete iB64Nonce;
+	}
+
+// ---------------------------------------------------------
+// CNSmlAuth::NewL()
+// Creates new instance of CNSmlAuth. 
+// ---------------------------------------------------------
+//
+EXPORT_C CNSmlAuth* CNSmlAuth::NewL()
+	{
+	CNSmlAuth* self = new (ELeave) CNSmlAuth();
+	CleanupStack::PushL( self );
+	self->ConstructL();
+	CleanupStack::Pop();
+	return( self );
+	}
+// ---------------------------------------------------------
+// CNSmlAuth::SetSyncAgent()
+// 
+// ---------------------------------------------------------
+EXPORT_C void CNSmlAuth::SetSyncAgent( CNSmlAgentBase* aAgent ) 
+	{
+	iAgent = aAgent;
+	}
+// ---------------------------------------------------------
+// CNSmlAuth::SetCredentialL()
+// 
+// ---------------------------------------------------------
+//
+EXPORT_C void CNSmlAuth::SetCredentialL( const TDesC8& aCredential )
+	{
+	delete iCredential;
+	iCredential = NULL;
+	iCredential = aCredential.AllocL();
+	
+	}
+// ---------------------------------------------------------
+// CNSmlAuth::SetTypeL()
+// 
+// ---------------------------------------------------------
+//	
+void CNSmlAuth::SetTypeL( const TDesC8& aType )
+	{
+	delete iType;
+	iType = NULL;
+	iType = aType.AllocL();
+	}
+// ---------------------------------------------------------
+// CNSmlAuth::SetFormatL()
+// 
+// ---------------------------------------------------------
+//	
+void CNSmlAuth::SetFormatL( const TDesC8& aFormat )
+	{
+	delete iFormat;
+	iFormat = NULL;
+	iFormat = aFormat.AllocL();
+	}
+
+// ---------------------------------------------------------
+// CNSmlAuth::SetAuthRequiredL()
+// 
+// ---------------------------------------------------------
+//	
+EXPORT_C void CNSmlAuth::SetAuthRequiredL()
+	{
+	iAuthState = ENotAuthenticated;
+	HBufC* unicodeNonce = iAgent->ServerNonceAllocL();
+	CleanupStack::PushL( unicodeNonce );
+	iNonce = HBufC8::NewL( unicodeNonce->Length() );
+	iNonce->Des().Copy( *unicodeNonce ); 
+	CleanupStack::PopAndDestroy(); //unicodeNonce 
+	if ( iNonce->Length() == 0 )
+		{
+		CreateAndSaveNewNonceL();
+		}
+	}
+// ---------------------------------------------------------
+// CNSmlAuth::SetChallenced()
+// 
+// ---------------------------------------------------------
+//	
+void CNSmlAuth::SetChallenced()
+	{
+	if ( iAuthState == ENotAuthenticated )
+		{
+		iAuthState = EAuthChallenced;
+		}
+	if ( iAuthState == EAuthenticated )
+		{
+		iAuthState = EChallencedForNext;
+		}
+	}
+
+// ---------------------------------------------------------
+// CNSmlAuth::CreateAndSaveNewNonceL()
+// ---------------------------------------------------------
+void CNSmlAuth::CreateAndSaveNewNonceL()
+	{
+	delete iNonce;
+	iNonce = NULL;
+	iNonce = HBufC8::NewL( 5 );
+	_LIT8( KNSmlNonceMask, "%05d" );
+	TInt64 seed = User::TickCount();
+	TInt nonce = Math::Rand( seed );
+	iNonce->Des().Format( KNSmlNonceMask, nonce );
+#ifdef __CONSTANT_NONCE
+	*iNonce = _L8("nonce");
+#endif
+	HBufC* unicodeNonce = HBufC::NewLC( iNonce->Length() );
+	unicodeNonce->Des().Copy( *iNonce );
+	iAgent->SetServerNonceL( *unicodeNonce );
+	CleanupStack::PopAndDestroy(); //unicodeNonce 
+	}
+
+// ---------------------------------------------------------
+// CNSmlAuth::NonceL()
+// 
+// ---------------------------------------------------------
+//
+TPtrC8 CNSmlAuth::NonceL()
+	{
+	if ( iAuthState == EAuthenticated )
+		{
+		CreateAndSaveNewNonceL();
+		}
+	TImCodecB64 B64Coder;
+	delete iB64Nonce;
+	iB64Nonce = NULL;
+	iB64Nonce = HBufC8::NewL( iNonce->Length() * 2 + 1 );
+	TPtr8 B64NoncePtr( iB64Nonce->Des() );
+	User::LeaveIfError( B64Coder.Encode( *iNonce, B64NoncePtr ) );
+	return *iB64Nonce;
+	}
+
+// ---------------------------------------------------------
+// CNSmlAuth::ChallengeNeeded()
+// 
+// ---------------------------------------------------------
+//
+TBool CNSmlAuth::ChallengeNeeded() const
+	{
+	if ( iAuthState == ENotAuthenticated || iAuthState == EAuthenticated )
+		{
+		return ETrue;
+		}
+	return EFalse;
+	}
+
+// ---------------------------------------------------------
+// CNSmlAuth::Challenged()
+// 
+// ---------------------------------------------------------
+//
+EXPORT_C TBool CNSmlAuth::Challenged() const
+	{
+	if ( iAuthState == EAuthChallenced )
+		{
+		return ETrue;
+		}
+	return EFalse;
+	}
+
+// ---------------------------------------------------------
+// CNSmlAuth::StatusCodeL()
+// 
+// ---------------------------------------------------------
+//
+TNSmlError::TNSmlSyncMLStatusCode CNSmlAuth::StatusCodeL()
+	{
+	if ( iAuthState == ENotInUse )
+		{
+		return TNSmlError::ESmlStatusOK;
+		}
+	if ( iAuthState == EAuthenticated || iAuthState == EChallencedForNext )
+		{
+		return TNSmlError::ESmlStatusAuthenticationAccepted;
+		}
+	TNSmlError::TNSmlSyncMLStatusCode statusCode = TNSmlError::ESmlStatusOK;
+	if ( iCredential == NULL || iType == NULL )
+		{
+		statusCode = TNSmlError::ESmlStatusClientAuthenticationRequired;
+		}
+	else
+		{
+		if ( iType->Des() !=  KNSmlAgentAuthMD5 )
+			{
+			statusCode = TNSmlError::ESmlStatusClientAuthenticationRequired;
+			}
+		else
+			{
+            statusCode = CheckCredentialL();
+			if ( statusCode == TNSmlError::ESmlStatusAuthenticationAccepted )
+				{
+				iAuthState = EAuthenticated;
+				}
+			}
+		}	
+	if ( iAuthState == EAuthChallenced && statusCode == TNSmlError::ESmlStatusClientAuthenticationRequired )
+		{
+		statusCode = TNSmlError::ESmlStatusUnauthorized;
+		}
+	return statusCode;
+	}
+// ---------------------------------------------------------
+// CNSmlAuth::ConstructL()
+// ---------------------------------------------------------
+//
+void CNSmlAuth::ConstructL()
+	{
+	iAuthState = ENotInUse;
+	iType = KNSmlAgentAuthMD5().AllocL();
+	iFormat = HBufC8::NewL(0);
+	}
+
+// ---------------------------------------------------------
+// CNSmlAuth::CheckCredentialL()
+// ---------------------------------------------------------
+TNSmlError::TNSmlSyncMLStatusCode CNSmlAuth::CheckCredentialL() 
+	{
+	HBufC8* B64Cred;
+	if ( iFormat->Des() != KNSmlAgentBase64Format )
+		{
+		TImCodecB64 B64Coder;
+		B64Cred = HBufC8::NewLC( iCredential->Length() * 2 + 1 );
+		TPtr8 B64CredPtr( B64Cred->Des() );
+		User::LeaveIfError( B64Coder.Encode( *iCredential, B64CredPtr ) );
+		}
+	else
+		{
+		B64Cred = iCredential->AllocLC();
+		}
+	HBufC8* digest = iAgent->Md5CredentialL( ETrue );
+	TNSmlError::TNSmlSyncMLStatusCode statusCode = TNSmlError::ESmlStatusAuthenticationAccepted;
+	if ( *digest != *B64Cred )
+		{
+		statusCode = TNSmlError::ESmlStatusClientAuthenticationRequired;
+		}
+	CleanupStack::PopAndDestroy(); //B64Cred
+	delete digest;
+	return statusCode;
+	}
+
+
+
+
+