Esempio n. 1
0
 /// <summary>
 /// Creates an instance of a flow and registers it with this IoFlowRuntime instance.
 /// </summary>
 /// <param name="flowId">An id unique to this flow e.g. from GetNextFreeFlowId(). </param>
 /// <param name="context">Additional context you want to keep for this flow.</param>
 /// <param name="accountName">A Windows account name for use in I/O classification.</param>
 /// <param name="sid">A Windows SID for use in I/O classification.</param>
 /// <param name="fileName">A windows file name used in I/O classification.</param>
 /// <param name="callbackPreCreate">Optional PreOp callback on CREATE IRPs.</param>
 /// <param name="callbackPostCreate">Optional PostOp callback on CREATE IRPs.</param>
 /// <param name="callbackPreRead">Optional PreOp callback on READ IRPs.</param>
 /// <param name="callbackPostRead">Optional PostOp callback on READ IRPs.</param>
 /// <param name="callbackPreWrite">Optional PreOp callback on WRITE IRPs.</param>
 /// <param name="callbackPostWrite">Optional PostOp callback on READ IRPs.</param>
 /// <param name="callbackPreCleanup">Optional PreOp callback on CLEANUP IRPs.</param>
 /// <param name="callbackPostCleanup">Optional PostOp callback on CLEANUP IRPs.</param>
 /// <param name="callbackPreLockControl">Optional PreOp callback on LOCKCONTROL IRPs.</param>
 public IoFlow(
     uint flowId,
     object context,
     string accountName,
     SecurityIdentifier sid,
     string fileName,
     CallbackPreCreate callbackPreCreate,
     CallbackPostCreate callbackPostCreate,
     CallbackPreRead callbackPreRead,
     CallbackPostRead callbackPostRead,
     CallbackPreWrite callbackPreWrite,
     CallbackPostWrite callbackPostWrite,
     CallbackPreCleanup callbackPreCleanup,
     CallbackPostCleanup callbackPostCleanup,
     CallbackPreLockControl callbackPreLockControl)
 {
     this.flowId                 = flowId;
     this.context                = context;
     this.accountName            = accountName;
     this.fileName               = fileName;
     this.sid                    = sid;
     flags                       = 0x00;
     flags                      |= (callbackPreCreate != null ? (uint)IoFlowFlags.PreCreate : flags);
     flags                      |= (callbackPostCreate != null ? (uint)IoFlowFlags.PostCreate : flags);
     flags                      |= (callbackPreRead != null ? (uint)IoFlowFlags.PreRead : flags);
     flags                      |= (callbackPostRead != null ? (uint)IoFlowFlags.PostRead : flags);
     flags                      |= (callbackPreWrite != null ? (uint)IoFlowFlags.PreWrite : flags);
     flags                      |= (callbackPostWrite != null ? (uint)IoFlowFlags.PostWrite : flags);
     flags                      |= (callbackPreCleanup != null ? (uint)IoFlowFlags.PreCleanup : flags);
     flags                      |= (callbackPostCleanup != null ? (uint)IoFlowFlags.PostCleanup : flags);
     flags                      |= (callbackPreLockControl != null ? (uint)IoFlowFlags.PreLockControl : flags);
     this.callbackPreCreate      = (callbackPreCreate != null ? callbackPreCreate : InvalidPreCreate);
     this.callbackPostCreate     = (callbackPostCreate != null ? callbackPostCreate : InvalidPostCreate);
     this.callbackPreRead        = (callbackPreRead != null ? callbackPreRead : InvalidPreRead);
     this.callbackPostRead       = (callbackPostRead != null ? callbackPostRead : InvalidPostRead);
     this.callbackPreWrite       = (callbackPreWrite != null ? callbackPreWrite : InvalidPreWrite);
     this.callbackPostWrite      = (callbackPostWrite != null ? callbackPostWrite : InvalidPostWrite);
     this.callbackPreCleanup     = (callbackPreCleanup != null ? callbackPreCleanup : InvalidPreCleanup);
     this.callbackPostCleanup    = (callbackPostCleanup != null ? callbackPostCleanup : InvalidPostCleanup);
     this.callbackPreLockControl = (callbackPreLockControl != null ? callbackPreLockControl : InvalidPreLockControl);
     IrpList                     = new Queue <IRP>();
 }
Esempio n. 2
0
 /// <summary>
 /// Creates an instance of a flow and registers it with this IoFlowRuntime instance.
 /// </summary>
 /// <param name="flowId">An id unique to this flow e.g. from GetNextFreeFlowId(). </param>
 /// <param name="context">Additional context you want to keep for this flow.</param>
 /// <param name="accountName">A Windows account name for use in I/O classification.</param>
 /// <param name="sid">A Windows SID for use in I/O classification.</param>
 /// <param name="fileName">A windows file name used in I/O classification.</param>
 /// <param name="callbackPreCreate">Optional PreOp callback on CREATE IRPs.</param>
 /// <param name="callbackPostCreate">Optional PostOp callback on CREATE IRPs.</param>
 /// <param name="callbackPreRead">Optional PreOp callback on READ IRPs.</param>
 /// <param name="callbackPostRead">Optional PostOp callback on READ IRPs.</param>
 /// <param name="callbackPreWrite">Optional PreOp callback on WRITE IRPs.</param>
 /// <param name="callbackPostWrite">Optional PostOp callback on READ IRPs.</param>
 /// <param name="callbackPreCleanup">Optional PreOp callback on CLEANUP IRPs.</param>
 /// <param name="callbackPostCleanup">Optional PostOp callback on CLEANUP IRPs.</param>
 /// <param name="callbackPreLockControl">Optional PreOp callback on LOCKCONTROL IRPs.</param>
 public IoFlow(
     uint flowId,
     object context,
     string accountName,
     SecurityIdentifier sid,
     string fileName,
     CallbackPreCreate callbackPreCreate,
     CallbackPostCreate callbackPostCreate,
     CallbackPreRead callbackPreRead,
     CallbackPostRead callbackPostRead,
     CallbackPreWrite callbackPreWrite,
     CallbackPostWrite callbackPostWrite,
     CallbackPreCleanup callbackPreCleanup,
     CallbackPostCleanup callbackPostCleanup,
     CallbackPreLockControl callbackPreLockControl)
 {
     this.flowId = flowId;
     this.context = context;
     this.accountName = accountName;
     this.fileName = fileName;
     this.sid = sid;
     flags = 0x00;
     flags |= (callbackPreCreate != null ? (uint)IoFlowFlags.PreCreate : flags);
     flags |= (callbackPostCreate != null ? (uint)IoFlowFlags.PostCreate : flags);
     flags |= (callbackPreRead != null ? (uint)IoFlowFlags.PreRead : flags);
     flags |= (callbackPostRead != null ? (uint)IoFlowFlags.PostRead : flags);
     flags |= (callbackPreWrite != null ? (uint)IoFlowFlags.PreWrite : flags);
     flags |= (callbackPostWrite != null ? (uint)IoFlowFlags.PostWrite : flags);
     flags |= (callbackPreCleanup != null ? (uint)IoFlowFlags.PreCleanup : flags);
     flags |= (callbackPostCleanup != null ? (uint)IoFlowFlags.PostCleanup : flags);
     flags |= (callbackPreLockControl != null ? (uint)IoFlowFlags.PreLockControl : flags);
     this.callbackPreCreate = (callbackPreCreate != null ? callbackPreCreate : InvalidPreCreate);
     this.callbackPostCreate = (callbackPostCreate != null ? callbackPostCreate : InvalidPostCreate);
     this.callbackPreRead = ( callbackPreRead != null ? callbackPreRead : InvalidPreRead );
     this.callbackPostRead = ( callbackPostRead != null ? callbackPostRead : InvalidPostRead );
     this.callbackPreWrite = ( callbackPreWrite != null ? callbackPreWrite : InvalidPreWrite );
     this.callbackPostWrite = ( callbackPostWrite != null ? callbackPostWrite : InvalidPostWrite );
     this.callbackPreCleanup = (callbackPreCleanup != null ? callbackPreCleanup : InvalidPreCleanup);
     this.callbackPostCleanup = (callbackPostCleanup != null ? callbackPostCleanup : InvalidPostCleanup);
     this.callbackPreLockControl = (callbackPreLockControl != null ? callbackPreLockControl : InvalidPreLockControl);
     IrpList = new Queue<IRP>();
 }
Esempio n. 3
0
        /// <summary>
        /// Creates an IoFlow structure in runtime and corresponding structures (Flow and RAP)
        /// in the driver.
        /// </summary>
        /// <param name="accountName">A valid NT security account of form EUROPE\gregos.</param>
        /// <param name="fileName">A valid file name of form C:\tmp\gregos.txt or \Device\HarddiskVolumen\tmp\gregos.txt</param>
        /// <param name="callbackPreCreate">Callback func to invoke for IRPs on PreCreate path.
        /// Corresponds to an IFS Minifilter PRE_OPERATION callback ref http://msdn.microsoft.com/en-us/library/windows/hardware/ff551109(v=vs.85).aspx</param>
        /// <param name="callbackPostCreate">Callback func to invoke for IRPs on PostCreate path.
        /// Corresponds to an IFS Minifilter POST_OPERATION callback ref http://msdn.microsoft.com/en-us/library/windows/hardware/ff551107(v=vs.85).aspx</param>
        /// <param name="callbackPreRead">Callback func to invoke for IRPs on PreRead path.
        /// Corresponds to an IFS Minifilter PRE_OPERATION callback ref http://msdn.microsoft.com/en-us/library/windows/hardware/ff551109(v=vs.85).aspx</param>
        /// <param name="callbackPostRead">Callback func to invoke for IRPs on PostRead path
        /// Corresponds to an IFS Minifilter POST_OPERATION callback ref http://msdn.microsoft.com/en-us/library/windows/hardware/ff551107(v=vs.85).aspx</param>
        /// <param name="callbackPreWrite">Callback func to invoke for IRPs on PreWrite path.
        /// Corresponds to an IFS Minifilter PRE_OPERATION callback ref http://msdn.microsoft.com/en-us/library/windows/hardware/ff551109(v=vs.85).aspx</param>
        /// <param name="callbackPostWrite">Callback func to invoke for IRPs on PostWrite path.
        /// Corresponds to an IFS Minifilter POST_OPERATION callback ref http://msdn.microsoft.com/en-us/library/windows/hardware/ff551107(v=vs.85).aspx</param>
        /// <param name="callbackPreCleanup">Callback func to invoke for IRPs on PreCleanup path.
        /// Corresponds to an IFS Minifilter PRE_OPERATION callback ref http://msdn.microsoft.com/en-us/library/windows/hardware/ff551109(v=vs.85).aspx</param>
        /// <param name="callbackPostCreate">Callback func to invoke for IRPs on PostCleanup path.
        /// Corresponds to an IFS Minifilter POST_OPERATION callback ref http://msdn.microsoft.com/en-us/library/windows/hardware/ff551107(v=vs.85).aspx</param>
        /// <param name="context">Some object reference of your own for additional state associated with thie IoFlow</param>
        /// <returns></returns>
        public IoFlow CreateFlow(
            uint flowId,
            string accountName,
            string fileName,
            CallbackPreCreate callbackPreCreate,
            CallbackPostCreate callbackPostCreate,
            CallbackPreRead callbackPreRead,
            CallbackPostRead callbackPostRead,
            CallbackPreWrite callbackPreWrite,
            CallbackPostWrite callbackPostWrite,
            CallbackPreCleanup callbackPreCleanup,
            CallbackPostCleanup callbackPostCleanup,
            CallbackPreLockControl callbackPreLockControl,
            object context)
        {
            IoFlow ioFlow = null;

            //
            // Validate fileName, transforming drive letters to volume names.
            //
            fileName = fileName.ToLower();
            string origFilename = fileName;

            if (string.IsNullOrEmpty(fileName) || string.IsNullOrWhiteSpace(fileName))
            {
                throw new ArgumentNullException("fileName");
            }
            else if (fileName.Length < 2)
            {
                throw new ArgumentOutOfRangeException("fileName", "too short");
            }

            else if (fileName.Substring(1, 1).Equals(@":"))
            {
                string driveName  = fileName.Substring(0, 2); // think "C:"
                string deviceName = "";
                if (DriveNameToVolumeName.TryGetValue(driveName, out deviceName))
                {
                    fileName = deviceName + fileName.Substring(2);
                }
            }
            if (fileName.ToLower().StartsWith(DeviceMup.ToLower()))
            {
                Debug.Assert(0 == 1); //XXXIS: don't use \device\mup in the paths in the config file
            }
            else if (fileName.ToLower().StartsWith(RemoteDeviceSlash.ToLower()))
            {
                fileName = DeviceMup + fileName;
            }
            else if (fileName.ToLower().StartsWith(RemoteDeviceDoubleSlash.ToLower()))
            {
                fileName = DeviceMup + fileName.Substring(1);
            }
            else if (!fileName.ToLower().StartsWith(DeviceHarddiskVolume))
            {
                throw new ArgumentException(@"must be format e.g. C: or \Device\HarddiskVolume", "fileName");
            }

#if gregos // "XXXET: not used, just for testing" crashes on launch due to FileToBlock.dll not found
            // for lock drives, test physical offset code
            // XXXET: not used, just for testing
            if (fileName.Substring(1, 1).Equals(@":") ||
                origFilename.ToLower().StartsWith(DeviceHarddiskVolume))
            {
                if (origFilename.ToLower().StartsWith(DeviceHarddiskVolume))
                {
                    origFilename = getDriveLetterFileName(origFilename);
                }
                Int64 poffset = FileToBlock.GetPhysicalOffset(origFilename);
                Console.WriteLine("File {0} starts in physical offset {1}", origFilename, poffset);
            }
#endif
            //
            // Get SID for the given account name.
            //
            SecurityIdentifier sid = SidLookup(accountName);

            //
            // Create IoFlow object.
            //
            LockIoFlow.EnterWriteLock();
            try
            {
                ioFlow = new IoFlow(flowId, context, accountName, sid, fileName,
                                    callbackPreCreate, callbackPostCreate,
                                    callbackPreRead, callbackPostRead,
                                    callbackPreWrite, callbackPostWrite,
                                    callbackPreCleanup, callbackPostCleanup,
                                    callbackPreLockControl);
                DictIoFlow.Add(flowId, ioFlow);
                Driver.CreateFlow.Request(hControlPort, TenantId, flowId, ioFlow.Flags);
                Driver.CreateRap.Request(hControlPort, TenantId, flowId, accountName, sid, fileName);
            }
            catch (ExceptionIoFlow)
            {
                DriverReset();
                throw;
            }
            LockIoFlow.ExitWriteLock();

            return(ioFlow);
        }
Esempio n. 4
0
        /// <summary>
        /// Creates an IoFlow structure in runtime and corresponding structures (Flow and RAP)
        /// in the driver.
        /// </summary>
        /// <param name="accountName">A valid NT security account of form EUROPE\gregos.</param>
        /// <param name="fileName">A valid file name of form C:\tmp\gregos.txt or \Device\HarddiskVolumen\tmp\gregos.txt</param>
        /// <param name="callbackPreCreate">Callback func to invoke for IRPs on PreCreate path.
        /// Corresponds to an IFS Minifilter PRE_OPERATION callback ref http://msdn.microsoft.com/en-us/library/windows/hardware/ff551109(v=vs.85).aspx</param>
        /// <param name="callbackPostCreate">Callback func to invoke for IRPs on PostCreate path.
        /// Corresponds to an IFS Minifilter POST_OPERATION callback ref http://msdn.microsoft.com/en-us/library/windows/hardware/ff551107(v=vs.85).aspx</param>
        /// <param name="callbackPreRead">Callback func to invoke for IRPs on PreRead path.
        /// Corresponds to an IFS Minifilter PRE_OPERATION callback ref http://msdn.microsoft.com/en-us/library/windows/hardware/ff551109(v=vs.85).aspx</param>
        /// <param name="callbackPostRead">Callback func to invoke for IRPs on PostRead path
        /// Corresponds to an IFS Minifilter POST_OPERATION callback ref http://msdn.microsoft.com/en-us/library/windows/hardware/ff551107(v=vs.85).aspx</param>
        /// <param name="callbackPreWrite">Callback func to invoke for IRPs on PreWrite path.
        /// Corresponds to an IFS Minifilter PRE_OPERATION callback ref http://msdn.microsoft.com/en-us/library/windows/hardware/ff551109(v=vs.85).aspx</param>
        /// <param name="callbackPostWrite">Callback func to invoke for IRPs on PostWrite path.
        /// Corresponds to an IFS Minifilter POST_OPERATION callback ref http://msdn.microsoft.com/en-us/library/windows/hardware/ff551107(v=vs.85).aspx</param>
        /// <param name="callbackPreCleanup">Callback func to invoke for IRPs on PreCleanup path.
        /// Corresponds to an IFS Minifilter PRE_OPERATION callback ref http://msdn.microsoft.com/en-us/library/windows/hardware/ff551109(v=vs.85).aspx</param>
        /// <param name="callbackPostCreate">Callback func to invoke for IRPs on PostCleanup path.
        /// Corresponds to an IFS Minifilter POST_OPERATION callback ref http://msdn.microsoft.com/en-us/library/windows/hardware/ff551107(v=vs.85).aspx</param>
        /// <param name="context">Some object reference of your own for additional state associated with thie IoFlow</param>
        /// <returns></returns>
        public IoFlow CreateFlow(
            uint flowId,
            string accountName,
            string fileName,
            CallbackPreCreate callbackPreCreate,
            CallbackPostCreate callbackPostCreate,
            CallbackPreRead callbackPreRead,
            CallbackPostRead callbackPostRead,
            CallbackPreWrite callbackPreWrite,
            CallbackPostWrite callbackPostWrite,
            CallbackPreCleanup callbackPreCleanup,
            CallbackPostCleanup callbackPostCleanup,
            CallbackPreLockControl callbackPreLockControl,
            object context)
        {
            IoFlow ioFlow = null;

            //
            // Validate fileName, transforming drive letters to volume names.
            //
            fileName = fileName.ToLower();
            string origFilename = fileName;
            if (string.IsNullOrEmpty(fileName) || string.IsNullOrWhiteSpace(fileName))
                throw new ArgumentNullException("fileName");
            else if (fileName.Length < 2)
                throw new ArgumentOutOfRangeException("fileName", "too short");

            else if (fileName.Substring(1, 1).Equals(@":"))
            {
                string driveName = fileName.Substring(0, 2);  // think "C:"
                string deviceName = "";
                if (DriveNameToVolumeName.TryGetValue(driveName, out deviceName))
                    fileName = deviceName + fileName.Substring(2);
            }
            if (fileName.ToLower().StartsWith(DeviceMup.ToLower()))
            {
                Debug.Assert(0 == 1); //XXXIS: don't use \device\mup in the paths in the config file   
            }
            else if (fileName.ToLower().StartsWith(RemoteDeviceSlash.ToLower()))
            {
                fileName = DeviceMup + fileName;
            }
            else if (fileName.ToLower().StartsWith(RemoteDeviceDoubleSlash.ToLower()))
            {
                fileName = DeviceMup + fileName.Substring(1);
            }
            else if (!fileName.ToLower().StartsWith(DeviceHarddiskVolume))
                throw new ArgumentException(@"must be format e.g. C: or \Device\HarddiskVolume", "fileName");

#if gregos // "XXXET: not used, just for testing" crashes on launch due to FileToBlock.dll not found
            // for lock drives, test physical offset code
            // XXXET: not used, just for testing
            if (fileName.Substring(1, 1).Equals(@":") ||
                origFilename.ToLower().StartsWith(DeviceHarddiskVolume))
            {
                if (origFilename.ToLower().StartsWith(DeviceHarddiskVolume))
                {
                    origFilename = getDriveLetterFileName(origFilename);
                }
                Int64 poffset = FileToBlock.GetPhysicalOffset(origFilename);
                Console.WriteLine("File {0} starts in physical offset {1}", origFilename, poffset);
            }
#endif
            //
            // Get SID for the given account name.
            //
            SecurityIdentifier sid = SidLookup(accountName);

            //
            // Create IoFlow object.
            //
            LockIoFlow.EnterWriteLock();
            try
            {
                ioFlow = new IoFlow(flowId, context, accountName, sid, fileName,
                                    callbackPreCreate, callbackPostCreate,
                                    callbackPreRead, callbackPostRead,
                                    callbackPreWrite, callbackPostWrite,
                                    callbackPreCleanup, callbackPostCleanup,
                                    callbackPreLockControl);
                DictIoFlow.Add(flowId, ioFlow);
                Driver.CreateFlow.Request(hControlPort, TenantId, flowId, ioFlow.Flags);
                Driver.CreateRap.Request(hControlPort, TenantId, flowId, accountName, sid, fileName);
            }
            catch (ExceptionIoFlow)
            {
                DriverReset();
                throw;
            }
            LockIoFlow.ExitWriteLock();

            return ioFlow;
        }