// Copyright (c) 2004-2009 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:

// TPDStreamLoader class

// 

//

#include <s32file.h>

#include "SC_Defs.h"

#include "SC_StrmIn.h"

namespace DBSC

{

/**

MPolicyDomainLoader::RunL() implementation, which is used to load security policies

from a binary file, create the related security policy objects and add them

to CPolicyDomain instance, controlled by aPolicyDomainBuilder object.

It is not called directly, but will be called back.

@param aPolicyDomainBuilder TPolicyDomainBuilder instance, which will be used to add

       created security policy objects to the controlled by it collection. 

@leave System-wide error codes

*/

void TPDStreamLoader::RunL(TPolicyDomainBuilder& aPolicyDomainBuilder)

	{

	//Load policy file version

	TVersion fileVer;

	iStream >> fileVer.iMajor;

	iStream >> fileVer.iMinor;

	iStream >> fileVer.iBuild;

	//Check policy file version against the software version

	TInt fileVersion = CVERSION(fileVer.iMajor, fileVer.iMinor);

	if(KDBSCVersion < fileVersion)

		{

		__LEAVE(KErrNotSupported);

		}

	//

	CPolicyBase::RPolicyCollection policyColl;

	CleanupClosePushL(policyColl);

	//Load database policy

	LoadPolicyCollectionL(policyColl);

	CDbPolicy* dbPolicy = CDbPolicy::NewLC(policyColl);

	aPolicyDomainBuilder.SetDbPolicyL(dbPolicy);

	CleanupStack::Pop(dbPolicy);

	//Load all table policies

	TInt16 tblCnt;

	iStream >> tblCnt;

	for(TInt i=0;i<TInt(tblCnt);++i)

		{

		TBuf<KMaxFileName> tblName;

		iStream >> tblName;

		LoadPolicyCollectionL(policyColl);

		CTblPolicy* tblPolicy = CTblPolicy::NewLC(tblName, policyColl, dbPolicy);

		aPolicyDomainBuilder.AddTblPolicyL(tblPolicy);

		CleanupStack::Pop(tblPolicy);

		}

	CleanupStack::PopAndDestroy(&policyColl);

	//Load backup&restore SID (supported after version 1.1 (including 1.1)).

	if(fileVersion >= CVERSION(KDBSCMajorVersion1, KDBSCMinorVersion1_1))

		{

		TSecureId backupSID;

		iStream >> backupSID.iId;

		aPolicyDomainBuilder.SetBackupSID(backupSID);

		}

	}

/**

Loads security policies collection from a binary file

@param aPolicyColl A reference to a security policy collection object which has

       to be filled with the loaded security policies.

@leave System-wide error codes

*/

void TPDStreamLoader::LoadPolicyCollectionL(CPolicyBase::RPolicyCollection& aPolicyColl)

	{

	aPolicyColl.Reset();

	TInt8 cnt;

	iStream >> cnt;

	for(TInt i=0;i<TInt(cnt);++i)

		{

		CPolicyBase::TPolicy policy;

		TInt8 type;

		iStream >> type;

		policy.iType = static_cast <TPolicyType> (type);

		TBuf8<sizeof(TSecurityPolicy)> buf;

		iStream >> buf;

		__LEAVE_IF_ERROR(policy.iData.Set(buf));

		__LEAVE_IF_ERROR(aPolicyColl.Append(policy));

		}

	}

} //end of - namespace DBSC