diff -r 000000000000 -r af10295192d8 linklayerprotocols/pppnif/SPPP/MSCHAP.H
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/linklayerprotocols/pppnif/SPPP/MSCHAP.H	Tue Jan 26 15:23:49 2010 +0200
@@ -0,0 +1,282 @@
+// Copyright (c) 1997-2009 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:
+// Extensions (MS-CHAP) - RFC 2433, except the authenticator-controlled
+// authentication retry mechanisms and the password changing mechanisms -
+// this is in accordance with the requirements.
+// 
+//
+
+/**
+ @file
+ @brief Header file for the implementation of Microsoft PPP CHAP
+ @internalComponent 
+*/
+
+#ifndef __MSCHAP_H__
+#define __MSCHAP_H__
+
+#include "PPPCHAP.H"
+
+// protocol specific constants for MS-CHAP
+
+/**
+   The size of the MS-CHAP Microsoft LAN Manager compatible challenge
+   response subfield.
+   @internalComponent
+*/
+const TUint8 KPppMsChapLanManResponseSize = 24u;
+
+/**
+   The size of the MS-CHAP Microsoft Windows NT compatible challenge
+   response subfield.
+   @internalComponent
+*/
+const TUint8 KPppMsChapNTResponseSize = 24u;
+
+/**
+   The size of the MS-CHAP Response Flags subfield.
+   @internalComponent
+*/
+const TUint8 KPppMsChapResponseFlagsSize = 1u;
+
+/**
+   The size of the CHAP Response value for MS-CHAP.
+   @internalComponent
+*/
+const TUint8 KPppMsChapResponseValueSize =
+		KPppMsChapLanManResponseSize +
+		KPppMsChapNTResponseSize +
+		KPppMsChapResponseFlagsSize;
+
+
+// extra protocol specific constants for MS-CHAP
+
+/**
+   The size of the MS-CHAP Challenge.
+   @internalComponent
+*/
+const TUint8 KPppMsChapChallengeSize = 8u;
+
+/**
+   The size of the MS-CHAP password hash.
+   @internalComponent
+*/
+const TUint8 KPppMsChapHashSize = 16u;
+
+/**
+   The size of the MS-CHAP padded password hash.
+   @internalComponent
+*/
+const TUint8 KPppMsChapPaddedHashSize = 21u;
+
+/**
+   The size of the key used by MS-CHAP for DES encryption.
+   @internalComponent
+*/
+const TUint8 KPppMsChapDESKeySize = 7u;
+
+/**
+   The size of the key used by MS-CHAP for DES encryption.
+   @internalComponent
+*/
+const TUint8 KPppDESKeySize = 8u;
+
+/**
+   The size of the clear text used by MS-CHAP for DES encryption.
+   @internalComponent
+*/
+const TUint8 KPppMsChapDESClearTextSize = 8u;
+
+/**
+   The size of the cipher text used by MS-CHAP for DES encryption.
+   @internalComponent
+*/
+const TUint8 KPppMsChapDESCipherTextSize = 8u;
+
+/**
+   The maximum length of the Microsoft Windows NT Password (as
+   specified in RFC 2433 and RFC 2759)
+   @internalComponent
+*/
+const TInt KPppMsChapMaxNTPasswordLength = 256;
+
+/**
+   The maximum length of the Microsoft Windows NT User Name (as
+   specified in RFC 2433 and RFC 2759)
+   @internalComponent
+*/
+const TInt KPppMsChapMaxNTUserNameLength = 256;
+
+#ifdef __MS_CHAP_WITH_LAN_MANAGER__
+
+/**
+   The maximum length of the LAN Manager Password (as specified in RFC
+   2433)
+   @internalComponent
+*/
+const TInt KPppMsChapMaxLANManagerPasswordLength = 14;
+
+#endif //__MS_CHAP_WITH_LAN_MANAGER__
+
+
+// MS-CHAP specific error codes
+
+/**
+   MS-CHAP error code for failures due to restricted logon.
+   @internalComponent
+*/
+const TUint KPppMsChapErrorRestrictedLogon = 646u;
+
+/**
+   MS-CHAP error code for failures due to the user account being
+   disabled.
+   @internalComponent
+*/
+const TUint KPppMsChapErrorAccountDisabled = 647u;
+
+/**
+   MS-CHAP error code for failures due to the user password having
+   been expired.
+   @internalComponent
+*/
+const TUint KPppMsChapErrorPasswordExpired = 648u;
+
+/**
+   MS-CHAP error code for failures due lack of dialing permission.
+   @internalComponent
+*/
+const TUint KPppMsChapErrorNoDialinPermission = 649u;
+
+/**
+   MS-CHAP error code for authentication failures.
+   @internalComponent
+*/
+const TUint KPppMsChapAuthenticationFailure = 691u;
+
+/**
+   MS-CHAP error code for failures in changing the user password.
+   @internalComponent
+*/
+const TUint KPppMsChapErrorChangingPassword = 709u;
+
+/*final*/ NONSHARABLE_CLASS(CPppMsChap) : public CPppChap
+/**
+   Class that implements the Microsoft PPP CHAP Extensions (MS-CHAP) -
+   RFC 2433, except the authenticator-controlled authentication retry
+   mechanisms and the password changing mechanisms - this is in
+   accordance with the requirements.
+   @internalComponent
+*/
+	{
+	friend class CPppMsChap2;
+	
+  public:
+	static CPppAuthentication* NewL();
+
+	virtual ~CPppMsChap();
+
+	virtual void InitL(CPppLcp* aLcp);
+
+  protected:
+	virtual void CheckChallengePacketL(RMBufPacket& aPacket);
+
+	virtual void FailureL(RMBufPacket& aPacket);
+
+	virtual void MakeResponseL(TUint8 aChallengeId, 
+		     		const TDesC8& aChallengeValue, 
+				TPtrC8& aResponseValue, 
+				TPtrC8&	aResponseName);
+
+
+  private:
+
+	CPppMsChap();
+
+	static void NTChallengeResponseL(const TDesC8& aChallenge,
+					const TDesC16& aPassword,
+					TDes8& aResponse);
+
+	static void NtPasswordHashL(const TDesC16& aPassword, 
+				TDes8& aPasswordHash);
+
+
+#ifdef __MS_CHAP_WITH_LAN_MANAGER__
+
+	static void LmChallengeResponseL(const TDesC8& aChallenge,
+					const TDesC8& aPassword, 
+					TDes8& aResponse);
+
+	static void LmPasswordHashL(const TDesC8& aPassword, 
+				TDes8& aPasswordHash);
+
+	static void DesHashL(const TDesC8& aClear, TDes8& aCypher);
+
+#endif
+
+	static void ChallengeResponseL(const TDesC8& aChallenge,
+				TDes8& aPaddablePasswordHash, 
+				TDes8& aResponse);
+
+	static void DesEncryptL(const TDesC8& aClear, 
+				const TDesC8& aKey, 
+				TDes8& aCypher);
+
+	static void MakeDesKey(const TDesC8& aMsChapKey, 
+				TDes8& aDesKey);
+
+ 	static void ProcessFailureMessageL(
+			const TDesC8& aFailureMessage, 
+			TUint& aErrorCode, 
+			TUint8& aRetryFlag,
+			TBool& aHasNewChallenge, 
+			TDes8& aChallenge,
+			TUint8& aPasswordProtoVersion);
+
+	static TInt TranslateMsChapError(TUint aMsChapError);
+
+	void RetryPasswordL();
+
+  private:
+/** Buffer containing the MS-CHAP Response Value. */
+	TBuf8<KPppMsChapResponseValueSize> iResponseValue;
+
+#ifdef _UNICODE
+/* Buffer containing the username. */
+	HBufC8* iUserName;
+#endif // _UNICODE
+
+#ifdef __MS_CHAP_WITH_LAN_MANAGER__
+
+/** Boolean flag that indicates if the Microsoft Windows NT password
+will be used for authentication. */
+	TBool iUseNTResponse;
+
+#endif // __MS_CHAP_WITH_LAN_MANAGER__
+	};
+
+
+inline CPppAuthentication* CPppMsChap::NewL()
+/**
+   Object factory for CPppMsChap.
+   @leave Standard Symbian OS error codes. e.g. KErrNoMemory.
+   @note This function will not initialize the created object.  The
+   InitL member function shall be called first in order to initialize
+   the created object before using it.  This behavior is in agreement
+   with the requirements for a migration to a plugin architecture.
+*/
+	{
+	return new(ELeave) CPppMsChap;
+	}
+
+#endif //__MSCHAP_H__