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.h
sl@0: // 
sl@0: //
sl@0: 
sl@0: #if !defined(__T_VSSHOOK_H__)
sl@0: #define __T_VSSHOOK_H__
sl@0: 
sl@0: #include <f32plugin.h>
sl@0: 
sl@0: /**
sl@0: The buffer sized used when scanning a file for a virus.
sl@0: @internalComponent
sl@0: */
sl@0: const TInt KScanBufferSize = 512;
sl@0: 
sl@0: /**
sl@0: The maximum number of virus signatures that can be stored
sl@0: in a virus scanner definition file.
sl@0: @internalComponent
sl@0: */
sl@0: const TInt KMaxVirusSignatures = 100;
sl@0: 
sl@0: 
sl@0: /**
sl@0: The actual implementation of the test virus scanning hook.
sl@0: It implements all of the pure virtual functions from CVirusHook.
sl@0: @internalComponent
sl@0: */
sl@0: class CTestVirusHook: public CFsPlugin
sl@0: 	{
sl@0: public:
sl@0: 	static CTestVirusHook* NewL();
sl@0: 	~CTestVirusHook();
sl@0: 
sl@0: 	virtual void InitialiseL();
sl@0: 	virtual TInt DoRequestL(TFsPluginRequest& aRequest);
sl@0: 
sl@0: private:
sl@0: 	enum TOperation {EFileOpen, EFileDelete, EFileRename, EFileClose};
sl@0: 
sl@0: private:
sl@0: 	CTestVirusHook();
sl@0: 
sl@0: 	TInt VsFileOpen(TFsPluginRequest& aRequest);
sl@0: 	void VsFileClose(TFsPluginRequest& aRequest);
sl@0: 	TInt VsFileRename(TFsPluginRequest& aRequest);
sl@0: 	TInt VsDirRename(TFsPluginRequest& aRequest);
sl@0: 	TInt VsReadFileSection(TFsPluginRequest& aRequest);
sl@0: 	TInt VsFileDelete(TFsPluginRequest& aRequest);
sl@0: 	TInt VirusScannerName(TDes& aName);
sl@0: 
sl@0: public:
sl@0: /**
sl@0: Signature for binary compatibility testing
sl@0: @internalComponent
sl@0: */
sl@0: 	TInt			iSignature;
sl@0: /**
sl@0: The virus scanners file server session
sl@0: @internalComponent
sl@0: */
sl@0: 	RFs		   		iFs;
sl@0: /**
sl@0: The virus scanner thread.
sl@0: @internalComponent
sl@0: */
sl@0: 	RThread		   iVsThread;
sl@0: /**
sl@0: An array containing the known virus signatures for the test virus
sl@0: scanner.  This array is filled up by the virus scanner thread when
sl@0: it initialised.
sl@0: @internalComponent
sl@0: */
sl@0: 	HBufC8*		   iKnownSignatures[KMaxVirusSignatures];
sl@0: /**
sl@0: The number of signatures which have been loaded in the iKnownSignatures
sl@0: array.
sl@0: @internalComponent
sl@0: */
sl@0: 	TInt		   iSignaturesLoaded;
sl@0: /**
sl@0: A pointer to the class containing all of the functions executed within the
sl@0: virus scanning thread.
sl@0: @internalComponent
sl@0: */
sl@0: //	CTestVsThread* iVsThreadClass;
sl@0: 
sl@0: private:
sl@0: 	TInt ScanFile(const TDesC& aName);
sl@0: 	void CleanFile(const TDesC& aName, TInt aOperation);
sl@0: 	TInt ScanBuffer();
sl@0: 	TInt ValidateRequest(TFsPluginRequest& aRequest, TFileName& aFileName);
sl@0: 	TInt ReadVirusDefinitionFile();
sl@0: 	
sl@0: /**
sl@0: An internal buffer used when scanning a file for virus signatures.
sl@0: @internalComponent
sl@0: */
sl@0: 	TBuf8<KScanBufferSize> iScanBuf;
sl@0: 
sl@0: private:
sl@0: 	TInt iDrvNumber;
sl@0: 	};
sl@0: 
sl@0: #endif