/*

* Copyright (c) 2000 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: Implementation of terminalsecurity components

*

*/

#ifndef SCPCONFIGURATION_H

#define SCPCONFIGURATION_H

//  INCLUDES

#include <bldvariant.hrh>

#include "SCPServerInterface.h"

// DATA TYPES

// Parameter types

enum TSCPParamType

    {

    EParTypeInt = 0,

// LOCAL CONSTANTS

// Encryption

_LIT8( KSCPEncryptionKeyMod, "overview" );

const TInt KSCPDesBlockSize( 8 );

_LIT( KSCPCryptSuffix, "SCP" );

// The settings-file name

_LIT( KDriveC, "C:" );

_LIT( KSCPSettingsFilePathAndName, "\\private\\10207836\\config.ini" );

_LIT( KSCPSettingsFileName, "config.ini" );

// Definitions for the structures that control the parameter-parsing

const TInt KParamIDMaxTimeout = 1;

const TInt KParamIDSecCode = 2;

const TInt KParamIDEnhSecCode = 3;

const TInt KParamIDConfigFlag = 4;

const TInt KParamIDFailedAttempts = 5;

const TInt KParamIDBlockedAtTime = 6;

const TInt KParamIDBlockedInOOS = 7;

// ID number for the encrypted security code.

const TInt KParamIDCryptoCode = 8;

// Total number of Param IDs

//#ifdef __SAP_DEVICE_LOCK_ENHANCEMENTS

#define SCP_PARAMETERS_WithFlag { &iConfigFlag, \

                         &iMaxTimeout, \

                         &iSecCode, \

                         &iEnhSecCode, \

                         &iFailedAttempts, \

                         &iBlockedAtTime, \

                         &iBlockedInOOS, \

#define SCP_PARAMIDS_WithFlag    {  KParamIDConfigFlag, \

                           KParamIDMaxTimeout, \

                           KParamIDSecCode, \

                           KParamIDEnhSecCode, \

                           KParamIDFailedAttempts, \

                           KParamIDBlockedAtTime, \

                           KParamIDBlockedInOOS, \

#define SCP_PARAMTYPES_WithFlag { EParTypeInt, \

                         EParTypeInt, \

                         EParTypeDesc, \

                         EParTypeDesc, \

                         EParTypeInt, \

                         EParTypeDesc, \

                         EParTypeInt, \

//#else // !__SAP_DEVICE_LOCK_ENHANCEMENTS                   

// Definitions for the structures that control the parsing

#define SCP_PARAMETERS_WithOutFlag { &iConfigFlag, \

                         &iMaxTimeout, \

                         &iSecCode, \

                         &iBlockedInOOS \

                         };

#define SCP_PARAMIDS_WithOutFlag    {  KParamIDConfigFlag, \

                           KParamIDMaxTimeout, \

                           KParamIDSecCode, \

                           KParamIDBlockedInOOS \

                        };

#define SCP_PARAMTYPES_WithOutFlag { EParTypeInt, \

                         EParTypeInt, \

                         EParTypeDesc, \

                         EParTypeInt \

                       };

//#endif // __SAP_DEVICE_LOCK_ENHANCEMENTS                   

// CLASS DECLARATION

/**

*  TSCPConfiguration

*  A class, which handles the configuration data for the SCP server component

*/

class TSCPConfiguration

	{		

	public:  // Methods

        // Constructors and destructor

        /**

        * C++ default constructor.

        */

        TSCPConfiguration( RFs* aRfs );

        // New methods

        /**

        * Initializes the configuration object. Must be called before using any other methods.        

        */

        void Initialize();

        /**

        * Reads the setup information form flash.

        * @return TInt: A generic status code indicating the operation status.

        */

        TInt ReadSetupL();

        /**

        * Writes the setup to flash.

        * @return TInt: A generic status code indicating the operation status.

        */

        TInt WriteSetupL(); 

    private: // Methods

        /**

        * Returns the key to use for symmetric encryption.        

        */

        void GetKeyL( TDes8& aKey );

        /**

        * Encrypts or decrypts the input string in aInput, saving the output in aOutput.

        * If the input is not an exact multiple of a DES block, 0-padding is used. The

        * output buffer must be large enough to store the output blocks.        

        */

        void TransformStringL( TBool aEncrypt, TDes& aInput, TDes& aOutput );              

        /**

        * Function to check for any ECOM plugin implementing the MDMEncryptionUtilInterface exist in ROM only.

        * If any plugin is implemented then Encrypts or decrypts the input string in aInput, saving the output in aOutput.

        * If the input is not an exact multiple of a DES block, 0-padding is used. The

        * output buffer must be large enough to store the output blocks.

        * Returns   ETrue if plugin is implemented & exists in ROM only.

        *           EFalse if plugin is not implemented.        

        */

        TBool NativeTransform(TBool aEncrypt, TDes& aInput, TDes& aOutput);        

	public:  // Data

	    /** Configuration valid -flag */        

        TInt iConfigFlag;    

        /** The Autolock max.timeout */        

        TInt iMaxTimeout;

        /** The security code stored on the server */

        TSCPSecCode iSecCode;  

        /** The name of the main configuration file */

        TFileName iConfigFileName; 

        TInt iBlockedInOOS;

        /** A ptr to a connected RFs, not owned */

        RFs* iFsSession;

//#ifdef __SAP_DEVICE_LOCK_ENHANCEMENTS

        /** The enchanced security code stored on the server */

        TBuf<KSCPMaxEnhCodeLen> iEnhSecCode;

        /** The amount of consecutive authentication failures */

        TInt iFailedAttempts;

        /** The time since the code has been blocked */

        TBuf<KSCPMaxInt64Length> iBlockedAtTime;

//#endif // __SAP_DEVICE_LOCK_ENHANCEMENTS       

// Member to hold the encrypted/decrypted security code from Crpto HW encryption algorithm

        TSCPCryptoCode iCryptoCode;

    };

#endif      // SCPCONFIGURATION_H   

// End of File