/*

* Copyright (c) 2004-2010 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: 

*

*/

#include "secutils.h"

#include <hash.h> 

#include <e32property.h>

#include <sacls.h>

#include "log.h"

namespace Swi

{

EXPORT_C TBool SecUtils::IsExeL(const TDesC& aFileName)

	{

	TEntry entry;

	EntryL(aFileName, entry);

	return IsExe(entry);

	}

EXPORT_C TBool SecUtils::IsDllL(const TDesC& aFileName)

	{

	TEntry entry;

	EntryL(aFileName, entry);

	return IsDll(entry);

	}

void SecUtils::EntryL(const TFileName& aFileName, TEntry& aEntry)

	{

	RFs fs;

	User::LeaveIfError(fs.Connect());

	CleanupClosePushL(fs);

	User::LeaveIfError(fs.Entry(aFileName, aEntry));

	CleanupStack::PopAndDestroy(&fs);

	}

EXPORT_C HBufC* SecUtils::HexHashL(const TDesC& aName)

	{

	CMessageDigest* digester = CMD5::NewL();

	CleanupStack::PushL(digester);

	TPtrC8 nameHash = digester->Final(TPtrC8(REINTERPRET_CAST(const TUint8*, aName.Ptr()),

						aName.Size()));

	HBufC* hashBuf = HBufC::NewL(nameHash.Length() * 2);

	TPtr hashPtr = hashBuf->Des();

	_LIT(KHexDigit, "%02x");

	for (TInt i = 0; i < nameHash.Length(); i++)

		{

		hashPtr.AppendFormat(KHexDigit, nameHash[i]);

		}

	CleanupStack::PopAndDestroy(digester);

	return hashBuf;

	}

EXPORT_C TInt SecUtils::PublishPackageUid(TUid aUid, TUid (&aUidList)[KMaxUidCount])

    {

    TInt i=0;

    TInt count = aUidList[0].iUid;

    if (count>=KMaxUidCount-1)

        return KErrOverflow;

    aUidList[++count] = aUid;    

    aUidList[0].iUid++;

    TInt *tempUidList = (TInt*)aUidList;

    TBuf<KMaxUidCount*sizeof(TUid)+1> buffer;

    TInt *bufPtr = (TInt*)buffer.Ptr();

    buffer.SetLength((count+1)*sizeof(TUid));

    do        

        {

        *bufPtr = *tempUidList;

        }while(++i<=count && bufPtr++ && tempUidList++);

    return(RProperty::Set(KUidSystemCategory, KSWIUidsCurrentlyBeingProcessed, buffer));

    }

EXPORT_C TBool SecUtils::IsPackageUidPresent(TUid aUid, const TUid (&aUidList)[KMaxUidCount])

    {

    TInt count = aUidList[0].iUid;

    for(TInt i=1;i<=count;i++)

        {

        if(aUidList[i]==aUid)

            return ETrue;

        }

    return EFalse;

    }

} // namespace Swi