/*

* Copyright (c) 2005-2010 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:   CIkeDialog class headers

*

*/

#ifndef C_IKEV1DIALOG_H

#define C_IKEV1DIALOG_H

#include <e32base.h>

#include <f32file.h>

#include "vpnnotifierdefs.h"

class CIkev1Dialog;

class CIkev1PluginSession;

class RFs;

class MIkeDebug;

/** 

* IKE dialog complete

* @internalComponent

*/

class MIkeDialogComplete

{

	public:

		/** 

         * IKE dialog completed 

         * @internalComponent

         * 

         */

		virtual TInt DialogCompleteL(CIkev1Dialog* aDialog, TAny* aUserInfo, HBufC8* aUsername, HBufC8* aSecret, HBufC8* aDomain)=0; 

};

NONSHARABLE_CLASS(CDialogTimeout) : public CTimer

{

public:

    CDialogTimeout( MIkeDebug& aDebug );

    ~CDialogTimeout();

    void ConstructL(CIkev1Dialog* aDialog);

protected:

    // will cancel the current dialog

    void RunL();

    void DoCancel();

protected: // data

    CIkev1Dialog* iDialog; //Needed to cancel a dialog

private: // data

    MIkeDebug& iDebug;

};

NONSHARABLE_CLASS(CIkev1Dialog) : public CActive

{

public:

    static CIkev1Dialog* NewL( CIkev1PluginSession* aPluginSession,

                               CIkev1Dialog** aToQueAnchor,

                               MIkeDebug& aDebug );

    CIkev1Dialog( MIkeDebug& aDebug );

    ~CIkev1Dialog();

    void GetAsyncUNPWDialogL(TAny *aUserInfo, MIkeDialogComplete* aCallback);

    void GetAsyncUNAMEDialog(TAny *aUserInfo, MIkeDialogComplete* aCallback);    

    void GetAsyncSecureidDialogL(TAny *aUserInfo, MIkeDialogComplete*  aCallback);

    void GetAsyncSecureNextPinDialogL(TAny *aUserInfo, MIkeDialogComplete* aCallback);    

    void GetAsyncRespDialog(TPtr8 aChallenge, TAny *aUserInfo, MIkeDialogComplete* aCallback);

    void ShowErrorDialogL(TInt aDialogType, TAny *aUserInfo, MIkeDialogComplete*  aCallback);

	void StoreUserNameL(TPtr8 aUserName);

	void StartDialogL();

    static TInt GetSyncUNPWDialog(TDes& aUserName, TDes& aPassword);

    static void PurgeDialogQueue(CIkev1Dialog* aQueuedDialog);

	inline CIkev1PluginSession* PluginSession() { return iPluginSession;}

	inline CIkev1Dialog* NextDialog() { return iNext;}

	inline MIkeDialogComplete* Callback() { return iCallback;}

	inline TAny* UserInfo() { return iUserInfo;}		

protected:

    // active object stuff, completion and cancel callback functions

    void RunL();

    void DoCancel();

private:

    void ConstructL(CIkev1PluginSession* aPluginSession, CIkev1Dialog* *aToQueAnchor);

    void LaunchDialogL();

    TInt QueueDialog(CIkev1Dialog* aDialog);

    void DeQueueDialog(CIkev1Dialog* aDialog);

	HBufC8* CreateDialogInput(TIPSecDialogInfo& aDialogInfo, TBool aUserNameCache);

	HBufC8* GetUserNameFromFile();

	static TBool BuildEncryptionKey(const TDesC8& aSalt, TDes8& aEncryptionKey);		

    static TInt LauchSyncDialog(const TDesC8& aInput, TDes8& aOutput);  

    static HBufC8* ConvertPwdToOctetString(TDesC &aUnicodeBfr);

private:

    CIkev1PluginSession*   iPluginSession;

    RFs             iFs;

    CIkev1Dialog**  iToQueAnchor;   // Waiting queue anchor

    CIkev1Dialog*   iNext;          // For waiting queue

    TAny*           iUserInfo;

    MIkeDialogComplete* iCallback;

    TInt           iDialogType;

    CDialogTimeout* iTimeout;   

    RNotifier      iNotifier;

    HBufC8*        iInputData;

    TPckgBuf<TIPSecDialogOutput> iResponseBuf;

    MIkeDebug& iDebug;

};

/**--------------------------------------------------------------------------

 *

 * Structure TUserNameFileHdr

 * User name (encrypted) cache file header.

 * In this file is cached the last user name used in legacy

 * authentication. 

 *

 *--------------------------------------------------------------------------*/

#define USER_NAME_FILE_ID     0xcccccccc

struct TUserNameFileHdr

{

	TUint8      iSalt[8];

	TUint8      iIV[8];

	TUint32     iFileId;

};

#endif // C_IKEV1DIALOG_H