e32tools/e32lib/seclib/seclib.cpp
author Richard Taylor <richard.i.taylor@nokia.com>
Thu, 29 Apr 2010 09:54:32 +0100
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// Copyright (c) 2004-2009 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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// e32tools/seclib/seclib.cpp
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// Get the capabilities of an emulator / e32image.
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// 
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//
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#include <e32cmn.h>
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#include <e32ldr.h>
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#include <seclib.h>
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#include "e32image.h"
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#include "h_utl.h"
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#define __E32DEBUG_H__
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#include "setcap.h"
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GLDEF_C TInt GetSecurityInfo(const char* aFileName, SBinarySecurityInfo& aInfo)
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	{
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	// Check we have a filename
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	if (!aFileName)
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		{
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		return KErrNotFound;
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		}
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	// Zero the capabilities
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	memset(aInfo.iCapabilities, 0, KCapabilitySetMaxSize);
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	// We don't want to update the image's capabilities
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	CapabilitySet = EFalse;
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	// Try opening the file as an E32Image
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	E32ImageFile f;
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	TInt r = f.Open(aFileName);
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	if (r==KErrCorrupt || r==KErrNotSupported || r==1)
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		{
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#ifndef __LINUX__
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		// Try emulator format
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		aInfo.iE32Image = EFalse;
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		HANDLE file = CreateFileA(aFileName, 
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		                          GENERIC_READ|GENERIC_WRITE, 
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								  FILE_SHARE_READ|FILE_SHARE_WRITE, 
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								  NULL, 
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								  OPEN_EXISTING, 
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								  0, 
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								  NULL);
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		if (file == INVALID_HANDLE_VALUE)
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			{
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			return GetLastError();
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			}
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		r = SetCap(file);
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#endif
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		}
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	else
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		{
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		// Extract caps from E32Image
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		aInfo.iE32Image = ETrue;
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		r = SetCap(f.iOrigHdr);
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		}
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	if (r == KErrNone)
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		{
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		aInfo.iSecureId = SecureId.iId;
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		aInfo.iVendorId = VendorId.iId;
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		*(SCapabilitySet*)(aInfo.iCapabilities) = Capability;
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		}
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	return r;
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	}
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#ifndef __LINUX__
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GLDEF_C TInt GetSecurityInfo(const wchar_t* aFileName, SBinarySecurityInfo& aInfo)
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	{
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	// Check we have a filename
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	if (!aFileName)
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		{
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		return KErrNotFound;
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		}
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	// Zero the capabilities
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	memset(aInfo.iCapabilities, 0, KCapabilitySetMaxSize);
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	// We don't want to update the image's capabilities
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	CapabilitySet = EFalse;
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	// Try opening the file as an E32Image
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	E32ImageFile f;
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	TInt r = f.Open(aFileName);
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	if (r==KErrCorrupt || r==KErrNotSupported)
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		{
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		// Try emulator format
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		aInfo.iE32Image = EFalse;
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		HANDLE file = CreateFileW(aFileName, GENERIC_READ|GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL);
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		if (file == INVALID_HANDLE_VALUE)
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			{
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			return GetLastError();
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			}
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		r = SetCap(file);
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		}
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	else
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		{
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		// Extract caps from E32Image
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		aInfo.iE32Image = ETrue;
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		r = SetCap(f.iOrigHdr);
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		}
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	if (r == KErrNone)
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		{
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		aInfo.iSecureId = SecureId.iId;
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		aInfo.iVendorId = VendorId.iId;
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		*(SCapabilitySet*)(aInfo.iCapabilities) = Capability;
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		}
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	return r;
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	}
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#endif