appfw/apparchitecture/apgrfx/apsecutils.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 15 Sep 2010 12:23:15 +0300
branchRCL_3
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// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// Security issues related methods used across apparc
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// 
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// apsecutils.cpp
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//
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#include <e32std.h>
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#include <e32cmn.h> //for TSecureId
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#include "apsecutils.h"
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/**
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 * Check if application has a WriteDeviceData capability
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 * and if it's SID is in the protected range
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 * 
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 * @param aAppFilename path to application exe file
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 * @param aHasWriteDeviceDataCap returns ETrue if app has WriteDeviceData cap
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 * @param aIsSidProtected returns ETrue if application SID is in the protected range
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 * @return KErrNone if succesful, error code otherwise
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 */
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EXPORT_C TInt CApaSecurityUtils::CheckAppSecurity( const TPtrC& aAppFilename, 
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                                              TBool& aHasWriteDeviceDataCap, 
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                                              TBool& aIsSidProtected )
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    { 
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    aHasWriteDeviceDataCap = EFalse;
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    aIsSidProtected = EFalse;
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    RLibrary::TInfoBuf infoBuf;
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    TInt ret = RLibrary::GetInfo( aAppFilename, infoBuf );
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    if ( KErrNone == ret )
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        {
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        if ( infoBuf().iSecurityInfo.iCaps.HasCapability(
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                                                ECapabilityWriteDeviceData ) )
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            {
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            aHasWriteDeviceDataCap = ETrue;
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            }
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        const TSecureId appSid = infoBuf().iSecurityInfo.iSecureId;
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        if( IsSidProtected( TUint32( appSid ) ) )
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            {
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            aIsSidProtected = ETrue;
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            }
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        }
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    return ret;
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    }
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//End of file