sl@0: // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // f32test\virus\t_vshook.cpp
sl@0: // 
sl@0: //
sl@0: 
sl@0: #include "t_vshook.h"
sl@0: #include <f32pluginutils.h>
sl@0: 
sl@0: 
sl@0: _LIT(KVirusScannerName, "This is a test virus scanner");
sl@0: 
sl@0: 
sl@0: /**
sl@0: Leaving New function for the plugin
sl@0: @internalComponent
sl@0: */
sl@0: CTestVirusHook* CTestVirusHook::NewL()
sl@0: 	{
sl@0: 	return new(ELeave) CTestVirusHook;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: /**
sl@0: Constructor for the plugin
sl@0: @internalComponent
sl@0: */
sl@0: CTestVirusHook::CTestVirusHook()
sl@0: 	{
sl@0: //	RDebug::Print(_L("EMaxClientOperations %d, size of CFsPlugin %d, iSignatureOffset %d"), EMaxClientOperations, sizeof(CFsPlugin), _FOFF(CTestVirusHook, iSignature));
sl@0: 	ASSERT(iSignature == 0);
sl@0: 	iSignature = 0x1234;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: /**
sl@0: The destructor for the test virus scanner hook.  This would
sl@0: not be a part of a normal virus scanner implementation as
sl@0: normal virus scanners cannot be unloaded - it must be 
sl@0: provided in the test virus scanner server so that it can
sl@0: be tested with the F32 test suite.
sl@0: @internalComponent
sl@0: */
sl@0: CTestVirusHook::~CTestVirusHook()
sl@0: 	{
sl@0: 	iFs.Close();
sl@0: 
sl@0: 	for (TInt i = 0; i < iSignaturesLoaded; i++)
sl@0: 		{
sl@0: 		if (iKnownSignatures[i])
sl@0: 			{
sl@0: 			delete iKnownSignatures[i];
sl@0: 			}
sl@0: 		}
sl@0: 	ASSERT(iSignature == 0x1234);
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: Initialise the virus scanner.
sl@0: Reads the virus definition file and then waits for
sl@0: notification that files containing a virus have been
sl@0: detected.
sl@0: @internalComponent
sl@0: */
sl@0: void CTestVirusHook::InitialiseL()
sl@0: 	{
sl@0: 	User::LeaveIfError(RegisterIntercept(EFsFileOpen,			EPreIntercept));
sl@0: 	User::LeaveIfError(RegisterIntercept(EFsFileSubClose,		EPostIntercept));
sl@0: 	User::LeaveIfError(RegisterIntercept(EFsFileRename,			EPreIntercept));
sl@0: 	User::LeaveIfError(RegisterIntercept(EFsRename,				EPreIntercept));
sl@0: 	User::LeaveIfError(RegisterIntercept(EFsDelete,				EPreIntercept));
sl@0: 	User::LeaveIfError(RegisterIntercept(EFsReplace,			EPreIntercept));
sl@0: 	User::LeaveIfError(RegisterIntercept(EFsReadFileSection,	EPreIntercept));
sl@0: 
sl@0: 	ReadVirusDefinitionFile();
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: Read the virus definition file C:\virusdef.txt and parse
sl@0: its contents.  Any virus definitions found in that file
sl@0: are added to the KnownSignatures array so they can be
sl@0: used by the virus scanning hook.
sl@0: 
sl@0: @internalComponent
sl@0: 
sl@0: @return KErrNone if the file was read and parsed
sl@0: successfuly.
sl@0: */
sl@0: TInt CTestVirusHook::ReadVirusDefinitionFile()
sl@0: 	{
sl@0: 	TInt r = iFs.Connect();
sl@0: 	if (r != KErrNone)
sl@0: 		return r;
sl@0: 	
sl@0: 	r = iFs.SetNotifyChange(EFalse);	// Disable change notifications
sl@0: 	if (r != KErrNone)
sl@0: 		return r;
sl@0: 	
sl@0: 	//Open the virus definition file
sl@0: 	RFile vsDefFile;
sl@0: 	r = vsDefFile.Open(iFs, _L("C:\\virusdef.txt"), EFileShareAny);
sl@0: 	if (r != KErrNone)
sl@0: 		return r;
sl@0: 	
sl@0: 	TInt fileSize=0;
sl@0: 	r = vsDefFile.Size(fileSize);
sl@0: 	if (r != KErrNone)
sl@0: 		{
sl@0: 		vsDefFile.Close();
sl@0: 		return r;
sl@0: 		}
sl@0: 
sl@0: 	HBufC8* defBuf=NULL;
sl@0: 	
sl@0: 	TRAP(r,defBuf = HBufC8::NewL(fileSize));
sl@0: 	if (r != KErrNone)
sl@0: 		{
sl@0: 		vsDefFile.Close();
sl@0: 		return r;
sl@0: 		}
sl@0: 
sl@0: 	TPtr8 ptr(defBuf->Des());
sl@0: 	r = vsDefFile.Read(ptr);
sl@0: 	if (r != KErrNone)
sl@0: 		{
sl@0: 		delete defBuf;
sl@0: 		vsDefFile.Close();
sl@0: 		return r;
sl@0: 		}
sl@0: 
sl@0: 	//Now parse the definition file, putting the definitions into the hook's
sl@0: 	//array of known virus signatures.
sl@0: 	TInt bytesParsed     = 0;
sl@0: 	TInt stringBeginPos  = 0;
sl@0: 	TInt stringEndPos    = 0;
sl@0: 	TInt stringLength    = 0;
sl@0: 	HBufC8* signatureBuf = NULL;
sl@0: 	while (bytesParsed < fileSize)
sl@0: 		{
sl@0: 		ptr.Set(defBuf->Des());
sl@0: 		ptr.Set(&ptr[bytesParsed], fileSize-bytesParsed, fileSize-bytesParsed);
sl@0: 		stringBeginPos = ptr.MatchF(_L8("startdef:*:enddef*"));
sl@0: 
sl@0: 		if (stringBeginPos < 0)
sl@0: 			{
sl@0: 			break;
sl@0: 			}
sl@0: 
sl@0: 		stringBeginPos += 9; //stardef:
sl@0: 		stringBeginPos += bytesParsed;
sl@0: 		ptr.Set(defBuf->Des());
sl@0: 		ptr.Set(&ptr[stringBeginPos], fileSize-stringBeginPos, fileSize-stringBeginPos);
sl@0: 		stringEndPos = ptr.MatchF(_L8("*:enddef*"));
sl@0: 
sl@0: 		if (stringEndPos < 0)
sl@0: 			{
sl@0: 			break;
sl@0: 			}
sl@0: 
sl@0: 		stringEndPos += 9; //stardef:
sl@0: 		stringEndPos += bytesParsed;
sl@0: 		stringLength = stringEndPos - stringBeginPos;
sl@0: 
sl@0: 		ptr.Set(defBuf->Des());
sl@0: 		TRAP(r,signatureBuf = HBufC8::NewL(stringLength));
sl@0: 		
sl@0: 		TPtrC8 actualSig(ptr.Mid(stringBeginPos, stringLength));
sl@0: 		
sl@0: 		TPtr8 ptr2(signatureBuf->Des());
sl@0: 		ptr2.Append(actualSig);
sl@0: 		iKnownSignatures[iSignaturesLoaded] = signatureBuf;
sl@0: 		iSignaturesLoaded++;
sl@0: 
sl@0: 		bytesParsed += 9; //startdef:
sl@0: 		bytesParsed += stringLength;
sl@0: 		bytesParsed += 9; //:enddef\n
sl@0: 		}
sl@0: 
sl@0: 	//Cleanup
sl@0: 	delete defBuf;
sl@0: 	vsDefFile.Close();
sl@0: 
sl@0: 	return r;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: TInt CTestVirusHook::DoRequestL(TFsPluginRequest& aRequest)
sl@0: 	{
sl@0: 	TInt err = KErrNotSupported;
sl@0: 
sl@0: 	TInt function = aRequest.Function();
sl@0: 	
sl@0: 	iDrvNumber = aRequest.DriveNumber();
sl@0: 
sl@0: 	switch(function)
sl@0: 		{
sl@0: 		case EFsFileOpen:
sl@0: 			err = VsFileOpen(aRequest);
sl@0: 			break;
sl@0: 
sl@0: 		case EFsFileSubClose:
sl@0: 			VsFileClose(aRequest);
sl@0: 			break;
sl@0: 
sl@0: 		case EFsFileRename:
sl@0: 		case EFsRename:
sl@0: 		case EFsReplace:
sl@0: 			err = VsFileRename(aRequest);
sl@0: 			break;
sl@0: 
sl@0: 		case EFsDelete:
sl@0: 			err = VsFileDelete(aRequest);
sl@0: 			break;
sl@0: 
sl@0: 		case EFsReadFileSection:
sl@0: 			err = VsReadFileSection(aRequest);
sl@0: 			break;
sl@0: 
sl@0: 		default:
sl@0: 			break;
sl@0: 		}
sl@0: 
sl@0: 	return err;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: TInt CTestVirusHook::VsFileOpen(TFsPluginRequest& aRequest)
sl@0: 	{
sl@0: 	TFileName fileName;
sl@0: 	TInt err = ValidateRequest(aRequest, fileName);
sl@0: 	if (err == KErrNone)
sl@0: 		{
sl@0: 		err = ScanFile(fileName);
sl@0: 		if (err != KErrNone)
sl@0: 			{
sl@0: 			// Clean the infected file
sl@0: 			CleanFile(fileName, EFileOpen);
sl@0: 			}
sl@0: 		}	
sl@0: 
sl@0: 	return err;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: void CTestVirusHook::VsFileClose(TFsPluginRequest& aRequest)
sl@0: 	{
sl@0: 	TFileName fileName;
sl@0: 	TInt err = GetName(&aRequest, fileName);
sl@0: 	if(err == KErrNone)
sl@0: 		{
sl@0: 		err = ScanFile(fileName);
sl@0: 		if (err != KErrNone)
sl@0: 			{
sl@0: 			// Clean the infected file
sl@0: 			CleanFile(fileName, EFileClose);
sl@0: 			}
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: TInt CTestVirusHook::VsFileRename(TFsPluginRequest& aRequest)
sl@0: 	{
sl@0: 
sl@0: 	TInt err = VsDirRename(aRequest);
sl@0: 	if(err != KErrAccessDenied)
sl@0: 		{
sl@0: 		TFileName fileName;
sl@0: 		err = ValidateRequest(aRequest, fileName);
sl@0: 		if (err == KErrNone)
sl@0: 			{
sl@0: 			err = ScanFile(fileName);
sl@0: 			if (err != KErrNone)
sl@0: 				{
sl@0: 				// Clean the infected file
sl@0: 				CleanFile(fileName, EFileRename);
sl@0: 				}
sl@0: 			}
sl@0: 		}
sl@0: 
sl@0: 	return err;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: TInt CTestVirusHook::VsDirRename(TFsPluginRequest& aRequest)
sl@0: 	{
sl@0: 
sl@0: 	TFileName fileName;
sl@0: 	TInt err = GetName(&aRequest, fileName);
sl@0: 	if(err != KErrNone)
sl@0: 		return(err);
sl@0: 	
sl@0: 	err = fileName.Find(_L("\\system\\lib\\"));
sl@0: 	if (err != KErrNotFound)
sl@0: 		{
sl@0: 		//Don't allow sys\bin to be ever renamed
sl@0: 		return KErrAccessDenied;
sl@0: 		}
sl@0: 	err = fileName.Find(_L("\\sys\\bin\\"));
sl@0: 	if (err != KErrNotFound)
sl@0: 		{
sl@0: 		//Don't allow sys\bin to be ever renamed
sl@0: 		return KErrAccessDenied;
sl@0: 		}
sl@0: 
sl@0: 	return err;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: TInt CTestVirusHook::VsFileDelete(TFsPluginRequest& aRequest)
sl@0: 	{
sl@0: 
sl@0: 	TFileName fileName;
sl@0: 	TInt err = ValidateRequest(aRequest, fileName);
sl@0: 	return err;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: TInt CTestVirusHook::VsReadFileSection(TFsPluginRequest& aRequest)
sl@0: 	{
sl@0: 
sl@0: 	// The t_virus test uses a filename clean.txt, a read length of 8 and a read position of 0.
sl@0: 	TFileName fileName;
sl@0: 	TInt len;
sl@0: 	TInt pos;
sl@0: 
sl@0: 	// test getting name on read file section intercept
sl@0: 	TInt err = GetName(&aRequest, fileName);
sl@0: 	if(err != KErrNone)
sl@0: 		{
sl@0: 		return(err);
sl@0: 		}
sl@0: 	TParse parse;
sl@0: 	parse.Set(fileName,NULL,NULL);
sl@0: 	TPtrC name = parse.Name();
sl@0: 	if(name.CompareF(_L("clean"))!=0)
sl@0: 		{
sl@0: 		return(KErrGeneral);
sl@0: 		}
sl@0: 	TPtrC ext = parse.Ext();
sl@0: 	if(ext.CompareF(_L(".txt"))!=0)
sl@0: 		{
sl@0: 		return(KErrGeneral);
sl@0: 		}
sl@0: 
sl@0: 	// test getting read length and required file position on read file section intercept
sl@0: 	err = GetFileAccessInfo(&aRequest, len, pos);
sl@0: 	if(err != KErrNone)
sl@0: 		{
sl@0: 		return(err);
sl@0: 		}
sl@0: 	if ((len != 8) || (pos != 0))
sl@0: 		{
sl@0: 		return(KErrGeneral);
sl@0: 		}
sl@0: 	
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: TInt CTestVirusHook::VirusScannerName(TDes& aName)
sl@0: 	{
sl@0: 	aName = KVirusScannerName;
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: Reads the contents of the file passed in and checks
sl@0: whether it contains any of the specified virus
sl@0: signatures
sl@0: 
sl@0: @return A value depending on whether a known virus is
sl@0: found within the file.
sl@0: 
sl@0: @param aFile A CFileCB object which can be used to read the file.
sl@0: @internalComponent
sl@0: */
sl@0: TInt CTestVirusHook::ScanFile(const TDesC& aName)
sl@0: 	{
sl@0: 
sl@0: 	TInt r    = KErrNone;
sl@0: 	TInt pos  = 0;
sl@0: 	TInt size = 0;
sl@0: 
sl@0: 	// Rename the file	
sl@0: 	TPtrC tmpFile = _L("VS_RENAMED.VSH");
sl@0: 	TParse parse;
sl@0: 	parse.Set(aName, NULL, NULL);
sl@0: 	parse.Set(parse.DriveAndPath(), &tmpFile, NULL);
sl@0: 
sl@0: 	r = iFs.Rename(aName, parse.FullName());
sl@0: 	if(r != KErrNone)
sl@0: 		return r;
sl@0: 
sl@0: 	RFile file;
sl@0: 	r = file.Open(iFs, parse.FullName(), EFileRead);
sl@0: 	if(r == KErrNone)
sl@0: 		{
sl@0: 		r = file.Size(size);
sl@0: 		}
sl@0: 
sl@0: 	//If the file size is 0, then the file
sl@0: 	//has just been created - so it can't contain
sl@0: 	//a virus.
sl@0: 	if(r != KErrNone || size == 0)
sl@0: 		{
sl@0: 		file.Close();
sl@0: 
sl@0: 		// Rename the file back
sl@0: 		TInt err = iFs.Rename(parse.FullName(), aName);
sl@0: 		if(err != KErrNone)
sl@0: 			return err;
sl@0: 
sl@0: 		return r;
sl@0: 		}
sl@0: 
sl@0: 	do
sl@0: 		{
sl@0: 		r = file.Read(pos, iScanBuf);
sl@0: 		
sl@0: 		if (r != KErrNone)
sl@0: 			{
sl@0: 			break;
sl@0: 			}
sl@0: 
sl@0: 		r = ScanBuffer();
sl@0: 		pos += iScanBuf.Length();
sl@0: 		} while ((r == KErrNotFound) && (iScanBuf.Length() == iScanBuf.MaxLength()));
sl@0: 
sl@0: 	file.Close();
sl@0: 
sl@0: 	// Rename the file back
sl@0: 	TInt err = iFs.Rename(parse.FullName(), aName);
sl@0: 	if(err != KErrNone)
sl@0: 		return err;
sl@0: 
sl@0: 	if (r > 0)
sl@0: 		{
sl@0: 		//We've found an infection
sl@0: 		return KErrAccessDenied;
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		return KErrNone;
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: Scans the internal buffer which has been loaded with fresh
sl@0: file contents, to see if it contains any known virus
sl@0: signatures.
sl@0: 
sl@0: @return A value depending on whether a known virus signature
sl@0: is found within the buffer.
sl@0: 
sl@0: @internalComponent
sl@0: */
sl@0: TInt CTestVirusHook::ScanBuffer()
sl@0: 	{
sl@0: 	//Look through the internal buffer for all known virus signatures.
sl@0: 
sl@0: 	TInt r;
sl@0: 	for (TInt i = 0; i < iSignaturesLoaded; i++)
sl@0: 		{
sl@0: 		r = iScanBuf.Find(iKnownSignatures[i]->Des());
sl@0: 
sl@0: 		if (r != KErrNotFound)
sl@0: 			{
sl@0: 			return r;
sl@0: 			}
sl@0: 		}
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: Validate that nobody is trying to touch the virus scanner files.
sl@0: 
sl@0: @internalComponent
sl@0: 
sl@0: @return A value depending on whethe the virus scanner files are
sl@0: being fiddled with.
sl@0: 
sl@0: @param aDriveNum The drive number of the request which called into
sl@0: the test virus scanning hook.
sl@0: 
sl@0: @param aName The full pathname of the file being accessed by the
sl@0: request to the file server hook.
sl@0: */
sl@0: TInt CTestVirusHook::ValidateRequest(TFsPluginRequest& aRequest, TFileName& aFileName)
sl@0: 	{
sl@0: 	TInt driveNumber = aRequest.DriveNumber();
sl@0: 	
sl@0: 	TInt err = GetName(&aRequest, aFileName);
sl@0: 	if(err != KErrNone)
sl@0: 		return(err);
sl@0: 	
sl@0: 	if (driveNumber == EDriveC)
sl@0: 		{
sl@0: 		TInt r = aFileName.Find(_L("\\virusdef.txt"));
sl@0: 
sl@0: 		if (r != KErrNotFound)
sl@0: 			{
sl@0: 			//Do not allow the deletion of the virus definition file.
sl@0: 			return KErrAccessDenied;
sl@0: 			}
sl@0: 
sl@0: 		r = aFileName.Find(_L("\\system\\libs\\t_vshook.pxt"));
sl@0: 		if (r != KErrNotFound)
sl@0: 			{
sl@0: 			//Do not allow the deletion of the this dll
sl@0: 			return KErrAccessDenied;
sl@0: 			}
sl@0: 		r = aFileName.Find(_L("\\sys\\bin\\t_vshook.pxt"));
sl@0: 		if (r != KErrNotFound)
sl@0: 			{
sl@0: 			//Do not allow the deletion of the this dll
sl@0: 			return KErrAccessDenied;
sl@0: 			}
sl@0: 		}
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: Processes a message which describes the detection of an
sl@0: infected file.  Appends the relevant text at the end of the
sl@0: file to say that it has been "cleaned".  This allows the virus
sl@0: test program to confirm that the test virus scanner is 
sl@0: behaving as expected.
sl@0: 
sl@0: @internalComponent
sl@0: @param aMessage The message to be processed.
sl@0: */
sl@0: void CTestVirusHook::CleanFile(const TDesC& aName, TInt aOperation)
sl@0: 	{
sl@0: 	
sl@0: 	RFile infectedFile;
sl@0: 	TBool bChangedToRw=EFalse;
sl@0: 	TInt pos=0;
sl@0: 
sl@0: 	TUint fileAtt;
sl@0: 	TInt r = iFs.Att(aName, fileAtt);
sl@0: 	if (r != KErrNone)
sl@0: 		{
sl@0: 		return;
sl@0: 		}
sl@0: 
sl@0: 	if (fileAtt & KEntryAttReadOnly)
sl@0: 		{
sl@0: 		bChangedToRw = ETrue;
sl@0: 		r = iFs.SetAtt(aName, 0, KEntryAttReadOnly);
sl@0: 		}
sl@0: 
sl@0: 	r = infectedFile.Open(iFs, aName, EFileShareAny | EFileWrite);
sl@0: 
sl@0: 	if (r != KErrNone)
sl@0: 		{
sl@0: 		return;
sl@0: 		}
sl@0: 
sl@0: 	//To show we've fixed the file, append "Infection deleted" to the end of it.
sl@0: 	infectedFile.Seek(ESeekEnd, pos);
sl@0: 	switch (aOperation)
sl@0: 		{
sl@0: 	case EFileOpen:
sl@0: 		infectedFile.Write(_L8("infection detected - file open\\n"));
sl@0: 		break;
sl@0: 	case EFileDelete:
sl@0: 		infectedFile.Write(_L8("infection detected - file delete\\n"));
sl@0: 		break;
sl@0: 	case EFileRename:
sl@0: 		infectedFile.Write(_L8("infection detected - file rename\\n"));
sl@0: 		break;
sl@0: 	case EFileClose:
sl@0: 		infectedFile.Write(_L8("infection detected - file close\\n"));
sl@0: 		break;
sl@0: 		}
sl@0: 
sl@0: 	infectedFile.Close();
sl@0: 
sl@0: 	if (bChangedToRw)
sl@0: 		{
sl@0: 		iFs.SetAtt(aName, KEntryAttReadOnly,0);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: //factory functions
sl@0: 
sl@0: class CVsHookFactory : public CFsPluginFactory
sl@0: 	{
sl@0: public:
sl@0: 	CVsHookFactory();
sl@0: 	virtual TInt Install();			
sl@0: 	virtual CFsPlugin* NewPluginL();
sl@0: 	virtual CFsPlugin* NewPluginConnL();
sl@0: 	virtual TInt UniquePosition();
sl@0: 	};
sl@0: 
sl@0: /**
sl@0: Constructor for the plugin factory
sl@0: @internalComponent
sl@0: */
sl@0: CVsHookFactory::CVsHookFactory()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: Install function for the plugin factory
sl@0: @internalComponent
sl@0: */
sl@0: TInt CVsHookFactory::Install()
sl@0: 	{
sl@0: 	iSupportedDrives = KPluginAutoAttach;
sl@0: 
sl@0: 	_LIT(KVsHookName,"VsHook");
sl@0: 	return(SetName(&KVsHookName));
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: TInt CVsHookFactory::UniquePosition()
sl@0: 	{
sl@0: 	return(0x3EC);
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: Plugin factory function
sl@0: @internalComponent
sl@0: */
sl@0: CFsPlugin* CVsHookFactory::NewPluginL()
sl@0: 
sl@0: 	{
sl@0: 	return CTestVirusHook::NewL();
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: Plugin factory function
sl@0: @internalComponent
sl@0: */
sl@0: CFsPlugin* CVsHookFactory::NewPluginConnL()
sl@0: 
sl@0: 	{
sl@0: 	return CTestVirusHook::NewL();
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: Create a new Plugin
sl@0: @internalComponent
sl@0: */
sl@0: extern "C" {
sl@0: 
sl@0: EXPORT_C CFsPluginFactory* CreateFileSystem()
sl@0: 	{
sl@0: 	return(new CVsHookFactory());
sl@0: 	}
sl@0: }
sl@0: