installationservices/swi/source/securitymanager/secutils.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 15 Mar 2010 12:41:05 +0200
branchRCL_3
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Revision: 201009 Kit: 201010
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/*
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* Copyright (c) 2004-2010 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 the License "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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*
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*/
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#include "secutils.h"
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#include <hash.h> 
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#include <e32property.h>
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#include <sacls.h>
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#include "log.h"
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namespace Swi
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{
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EXPORT_C TBool SecUtils::IsExeL(const TDesC& aFileName)
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	{
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	TEntry entry;
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	EntryL(aFileName, entry);
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	return IsExe(entry);
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	}
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EXPORT_C TBool SecUtils::IsDllL(const TDesC& aFileName)
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	{
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	TEntry entry;
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	EntryL(aFileName, entry);
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	return IsDll(entry);
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	}
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void SecUtils::EntryL(const TFileName& aFileName, TEntry& aEntry)
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	{
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	RFs fs;
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	User::LeaveIfError(fs.Connect());
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	CleanupClosePushL(fs);
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	User::LeaveIfError(fs.Entry(aFileName, aEntry));
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	CleanupStack::PopAndDestroy(&fs);
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	}
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EXPORT_C HBufC* SecUtils::HexHashL(const TDesC& aName)
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	{
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	CMessageDigest* digester = CMD5::NewL();
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	CleanupStack::PushL(digester);
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	TPtrC8 nameHash = digester->Final(TPtrC8(REINTERPRET_CAST(const TUint8*, aName.Ptr()),
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						aName.Size()));
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	HBufC* hashBuf = HBufC::NewL(nameHash.Length() * 2);
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	TPtr hashPtr = hashBuf->Des();
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	_LIT(KHexDigit, "%02x");
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	for (TInt i = 0; i < nameHash.Length(); i++)
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		{
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		hashPtr.AppendFormat(KHexDigit, nameHash[i]);
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		}
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	CleanupStack::PopAndDestroy(digester);
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	return hashBuf;
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	}
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EXPORT_C TInt SecUtils::PublishPackageUid(TUid aUid, TUid (&aUidList)[KMaxUidCount])
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    {
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    TInt i=0;
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    TInt count = aUidList[0].iUid;
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    if (count>=KMaxUidCount-1)
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        return KErrOverflow;
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    aUidList[++count] = aUid;    
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    aUidList[0].iUid++;
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    TInt *tempUidList = (TInt*)aUidList;
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    TBuf<KMaxUidCount*sizeof(TUid)+1> buffer;
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    TInt *bufPtr = (TInt*)buffer.Ptr();
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    buffer.SetLength((count+1)*sizeof(TUid));
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    do        
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        {
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        *bufPtr = *tempUidList;
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        }while(++i<=count && bufPtr++ && tempUidList++);
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    return(RProperty::Set(KUidSystemCategory, KSWIUidsCurrentlyBeingProcessed, buffer));
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    }
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EXPORT_C TBool SecUtils::IsPackageUidPresent(TUid aUid, const TUid (&aUidList)[KMaxUidCount])
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    {
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    TInt count = aUidList[0].iUid;
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    for(TInt i=1;i<=count;i++)
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        {
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        if(aUidList[i]==aUid)
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            return ETrue;
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        }
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    return EFalse;
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    }
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0
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} // namespace Swi