/*

* Copyright (c) 2001-2006 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:  EAP and WLAN authentication protocols.

*

*/

// This is enumeration of EAPOL source code.

#if defined(USE_EAP_MINIMUM_RELEASE_TRACES)

	#undef EAP_FILE_NUMBER_ENUM

	#define EAP_FILE_NUMBER_ENUM 300 

	#undef EAP_FILE_NUMBER_DATE 

	#define EAP_FILE_NUMBER_DATE 1127594498 

#endif //#if defined(USE_EAP_MINIMUM_RELEASE_TRACES)

#include <e32base.h>

#include "EapMsChapV2DbUtils.h"

#include "EapMsChapV2DbParameterNames.h"

#include "EapMsChapV2DbDefaults.h"

#include <EapMsChapV2UiConnection.h>

#include <EapMsChapV2UiDataConnection.h>

#include <EapMsChapV2UiMsChapV2Data.h>

#include "eap_am_trace_symbian.h"

const TUint KMaxSqlQueryLength = 256;

CEapMsChapV2UiDataConnection::CEapMsChapV2UiDataConnection(CEapMsChapV2UiConnection * aUiConn)

: iIsOpened(EFalse)

, iUiConn(aUiConn)

, iColSet(NULL)

, iDataPtr(NULL)

{

}

CEapMsChapV2UiDataConnection::~CEapMsChapV2UiDataConnection()

{

    if (iUiConn)

    {

        Close();

        iUiConn = NULL;

    }

}

TInt CEapMsChapV2UiDataConnection::Open()

{

    if (iIsOpened)

    {

        return KErrAlreadyExists;

    }

    TInt err = iUiConn->GetDatabase(iDatabase);

    if (err != KErrNone)

    {

        return err;

    }

    iIsOpened = ETrue;

    return KErrNone;

}

TInt CEapMsChapV2UiDataConnection::GetData(CEapMsChapV2UiMsChapV2Data ** aDataPtr)

{

    if (aDataPtr == NULL)

    {

        return KErrArgument;

    }

    if (iIsOpened == EFalse)

    {

        return KErrSessionClosed;

    }

    iDataPtr = new CEapMsChapV2UiMsChapV2Data();

    if (!iDataPtr)

    {

        return KErrNoMemory;

    }

    TRAPD(err, FetchDataL());

    if (err != KErrNone)

    {

        delete iDataPtr;

        iDataPtr = NULL;

        delete iColSet;

        iColSet = NULL;

        iView.Close();

        return err;

    }

    *aDataPtr = iDataPtr;

    return KErrNone;

}

TInt CEapMsChapV2UiDataConnection::Update()

{

    TRAPD(err, iView.UpdateL());

    if (err != KErrNone)

    {

        return err;

    }

	// Validate the length of username and password.

	if(iDataPtr->GetUsername().Length() > KMaxUsernameLengthInDB

		|| iDataPtr->GetPassword().Length() > KMaxPasswordLengthInDB)

	{

		// Username or password too long. Can not be stored in DB.

		EAP_TRACE_DEBUG_SYMBIAN((_L("CEapMsChapV2UiDataConnection::Update: Too long username or password. Length: UN=%d, PW=%d\n"),

			iDataPtr->GetUsername().Length(),

			iDataPtr->GetPassword().Length()));

		return KErrArgument;

	}

    TRAP(err, iView.SetColL(iColSet->ColNo(cf_str_EAP_MSCHAPV2_username_literal), iDataPtr->GetUsername()));

    if (err != KErrNone)

    {

        return err;

    }

    TRAP(err, iView.SetColL(iColSet->ColNo(cf_str_EAP_MSCHAPV2_password_literal), iDataPtr->GetPassword()));

    if (err != KErrNone)

    {

        return err;

    }

    if (*(iDataPtr->GetPasswordPrompt()))

    {

        TRAP(err, iView.SetColL(iColSet->ColNo(cf_str_EAP_MSCHAPV2_password_prompt_literal), EMSCHAPV2PasswordPromptOn));

		if (err != KErrNone)

		{

			return err;

		}

    }

    else

    {

        TRAP(err, iView.SetColL(iColSet->ColNo(cf_str_EAP_MSCHAPV2_password_prompt_literal), EMSCHAPV2PasswordPromptOff));

		if (err != KErrNone)

		{

			return err;

		}

    }

	// Last full authentication time should be made zero when EAP configurations are modified.

	// This makes sure that the next authentication with this EAP would be full authentication

	// instead of reauthentication even if the session is still valid.

	TRAP(err, iView.SetColL(iColSet->ColNo(KMSCHAPv2LastFullAuthTime), default_FullAuthTime));

    if (err != KErrNone)

    {

        return err;

    }

	EAP_TRACE_DEBUG_SYMBIAN((_L("Session Validity: EAP-Type=MSCHAPv2 (or plain), Resetting Full Auth Time since settings are modified\n")));

    TRAP(err, iView.PutL());

    return err;

}

TInt CEapMsChapV2UiDataConnection::Close()

{

    if (iIsOpened == EFalse)

    {

        return KErrNone;

    }

	delete iDataPtr;

	iDataPtr = NULL;

	delete iColSet;

	iColSet = NULL;

    iView.Close();

    iUiConn = NULL;

    return KErrNone;

}

void CEapMsChapV2UiDataConnection::FetchDataL()

{

	HBufC* buf = HBufC::NewLC(KMaxSqlQueryLength);

	TPtr sqlStatement = buf->Des();

	// Form the query. Query everything.

	_LIT(KSQLQuery, "SELECT * FROM %S WHERE %S=%d AND %S=%d AND %S=%d");

	sqlStatement.Format(KSQLQuery,

						&KMsChapV2TableName,

						&KServiceType,

						iUiConn->GetIndexType(),

						&KServiceIndex,

						iUiConn->GetIndex(),

						&KTunnelingType, 

						iUiConn->GetTunnelingType());

	// Evaluate view

	User::LeaveIfError(iView.Prepare(iDatabase, TDbQuery(sqlStatement)));

	User::LeaveIfError(iView.EvaluateAll());

	// Get the first (and only) row

	iView.FirstL();

	iView.GetL();

	// Get column set so we get the correct column numbers

	delete iColSet;

	iColSet = NULL;

	iColSet = iView.ColSetL();

	// Start fetching the values

	// Prompt password

	TUint intValue = iView.ColUint(iColSet->ColNo(cf_str_EAP_MSCHAPV2_password_prompt_literal));

    if (intValue == 0)

    {

        *(iDataPtr->GetPasswordPrompt()) = EFalse;

    }

    else

    {

        *(iDataPtr->GetPasswordPrompt()) = ETrue;

    }

	// username

    iDataPtr->GetUsername().Copy(iView.ColDes16(iColSet->ColNo(cf_str_EAP_MSCHAPV2_username_literal)));

	// password

	iDataPtr->GetPassword().Copy(iView.ColDes16(iColSet->ColNo(cf_str_EAP_MSCHAPV2_password_literal)));

    CleanupStack::PopAndDestroy(buf);

}

// End of file