/*

* 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:   IKEv1 Crack authentication

*

*/

#ifndef IKEV1CRACK_H

#define IKEV1CRACK_H

#include <e32base.h>

#include "ikev1dialog.h"

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

 *

 *  CRACK return codes for public methods

 *

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

#define CRACK_SUCCESS       0

#define CRACK_CONTINUE      0x1

#define CRACK_IGNORE_MSG    0x2

#define CRACK_FAILED        0x4

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

 *

 *  CRACK iState flags                          

 *

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

#define WAITING_USER_RSP      0x1

#define WAITING_PEER_RSP      0x2

#define CHALLENGE_RECEIVED    0x4

#define CRACK_AUTHENTICATED   0x8 

#define SHOW_ERROR_DIALOG     0x10

#define SECURID_NEXT_PIN_MODE 0x20

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

 *

 *  CAuthDialogInfo class

 *

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

#define DIALOG_INFO_ID        0xfedcba98

#define XAUTH_DIALOG_ID       0x76543210

class CIkev1Negotiation;

class TNotificationISAKMP;

class TCHREISAKMP;

class ThdrISAKMP;

class CIkev1PluginSession;

class MIkeDebug;

NONSHARABLE_CLASS(CAuthDialogInfo) : public CBase

    {

public:

    CAuthDialogInfo(CIkev1PluginSession* aPluginSession, TUint32 aObjId, TUint32 aSAId, TUint32 aMsgId)

                    { iPluginSession = aPluginSession; iSAId = aSAId; iObjId  = aObjId; iMsgId  = aMsgId; }

    ~CAuthDialogInfo();  

    inline CIkev1PluginSession* PluginSession() { return iPluginSession;}

    inline TUint32     SAId() { return iSAId;}  

    inline TUint32     GetObjId() { return iObjId;}

    inline TUint32     GetMsgId() { return iMsgId;}     

    void SetUserName( HBufC8* aUserName );

    void SetSecret( HBufC8* aSecret );

private:

    TUint32              iObjId;      // Object identifier 

    CIkev1PluginSession* iPluginSession;  // Plugin session pointer  

    TUint32              iSAId;       // SA id of CIkev1Negotiation

    TUint32              iMsgId;      // Transaction exchange message ID

public: 

    /**

     * Username from UI dialog or cache.

     * Own.

     */

	HBufC8* iUsername;

	/**

     * Secret from UI dialog or cache.

     * Own.

     */    

    HBufC8* iSecret;

    };

NONSHARABLE_CLASS(CIKECRACKNegotiation) : public CBase, public MIkeDialogComplete

{

public:

    CIKECRACKNegotiation( MIkeDebug& aDebug );

    ~CIKECRACKNegotiation();    

    TInt   ConstructL(TInt aLAMType, CIkev1Negotiation *aNegotiation, const TDesC &aDomain);

    TInt   ExecuteCRACKMsgL(const ThdrISAKMP &aHdr);

    TInt   ProcessUserResponseL(CAuthDialogInfo *aUserInfo);

    TInt   CrackAuthenticationFailedL(const TNotificationISAKMP *aNotifPayload);

	TInt DialogCompleteL(TAny* aUserInfo, HBufC8* aUsername, HBufC8* aSecret);

private:

    TInt    GetDataL(HBufC8* aChallenge);

    TInt    GetDatafromUserL(HBufC8 *aChallenge);

    TInt    GetUNPWDFromPolicyL();

    TInt    GetUNPWDFromNegotiationL();

    TInt    ProcessCHREAttibutesL(const TCHREISAKMP *aCHRE_PAYLOAD);

    void    SendCredentialsL(TUint16 aAttr1, TUint16 aAttr2, TUint16 aAttr3,

                             HBufC8* aBfr1, HBufC8* aBfr2, HBufC8* aBfr3);

private:

    TInt       iLAMType;    // Legacy Authentication Method type code

    TInt       iState;      // CRACK negotiation state

    TInt       iMsgCount;   // CRACK message count xmitted (does not contain retries)

    CIkev1PluginSession*      iPluginSession;      // IKEv1 plugin session 

    CIkev1Negotiation* iNegotiation; // Current negotiation object (related to CRACK)

    CIkev1Dialog*      iDialog;      // Pending dialog object

    CAuthDialogInfo*   iDialogInfo;  // Dialog info object

	HBufC8           *iUserName;    // Saved for User name caching 	

	HBufC8           *iDomain;      // Fixed domain value for this CRACK negotiation

	MIkeDebug& iDebug;

};

#endif // IKEV1CRACK_H