1 files changed, 3563 insertions, 3563 deletions
diff --git a/src/Driver/Ntdriver.c b/src/Driver/Ntdriver.c
index eeea7815..c771b3ce 100644
--- a/src/Driver/Ntdriver.c
+++ b/src/Driver/Ntdriver.c
@@ -1,3563 +1,3563 @@
-/*
- Legal Notice: Some portions of the source code contained in this file were
- derived from the source code of TrueCrypt 7.1a, which is 
- Copyright (c) 2003-2012 TrueCrypt Developers Association and which is 
- governed by the TrueCrypt License 3.0, also from the source code of
- Encryption for the Masses 2.02a, which is Copyright (c) 1998-2000 Paul Le Roux
- and which is governed by the 'License Agreement for Encryption for the Masses' 
- Modifications and additions to the original source code (contained in this file) 
- and all other portions of this file are Copyright (c) 2013-2016 IDRIX
- and are governed by the Apache License 2.0 the full text of which is
- contained in the file License.txt included in VeraCrypt binary and source
- code distribution packages. */
-
-#include "TCdefs.h"
-#include <ntddk.h>
-#include "Crypto.h"
-#include "Fat.h"
-#include "Tests.h"
-#include "cpu.h"
-
-#include "Apidrvr.h"
-#include "Boot/Windows/BootDefs.h"
-#include "EncryptedIoQueue.h"
-#include "EncryptionThreadPool.h"
-#include "Ntdriver.h"
-#include "Ntvol.h"
-#include "DriveFilter.h"
-#include "DumpFilter.h"
-#include "Cache.h"
-#include "Volumes.h"
-#include "VolumeFilter.h"
-
-#include <tchar.h>
-#include <initguid.h>
-#include <mountmgr.h>
-#include <mountdev.h>
-#include <ntddvol.h>
-
-#include <Ntstrsafe.h>
-#include <Intsafe.h>
-
-/* Init section, which is thrown away as soon as DriverEntry returns */
-#pragma alloc_text(INIT,DriverEntry)
-#pragma alloc_text(INIT,TCCreateRootDeviceObject)
-
-PDRIVER_OBJECT TCDriverObject;
-PDEVICE_OBJECT RootDeviceObject = NULL;
-static KMUTEX RootDeviceControlMutex;
-BOOL DriverShuttingDown = FALSE;
-BOOL SelfTestsPassed;
-int LastUniqueVolumeId;
-ULONG OsMajorVersion = 0;
-ULONG OsMinorVersion;
-BOOL DriverUnloadDisabled = FALSE;
-BOOL PortableMode = FALSE;
-BOOL VolumeClassFilterRegistered = FALSE;
-BOOL CacheBootPassword = FALSE;
-BOOL CacheBootPim = FALSE;
-BOOL NonAdminSystemFavoritesAccessDisabled = FALSE;
-static size_t EncryptionThreadPoolFreeCpuCountLimit = 0;
-static BOOL SystemFavoriteVolumeDirty = FALSE;
-static BOOL PagingFileCreationPrevented = FALSE;
-static BOOL EnableExtendedIoctlSupport = FALSE;
-
-PDEVICE_OBJECT VirtualVolumeDeviceObjects[MAX_MOUNTED_VOLUME_DRIVE_NUMBER + 1];
-
-
-NTSTATUS DriverEntry (PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath)
-{
-	PKEY_VALUE_PARTIAL_INFORMATION startKeyValue;
-	LONG version;
-	int i;
-
-	Dump ("DriverEntry " TC_APP_NAME " " VERSION_STRING "\n");
-
-	DetectX86Features ();
-
-	PsGetVersion (&OsMajorVersion, &OsMinorVersion, NULL, NULL);
-
-	// Load dump filter if the main driver is already loaded
-	if (NT_SUCCESS (TCDeviceIoControl (NT_ROOT_PREFIX, TC_IOCTL_GET_DRIVER_VERSION, NULL, 0, &version, sizeof (version))))
-		return DumpFilterEntry ((PFILTER_EXTENSION) DriverObject, (PFILTER_INITIALIZATION_DATA) RegistryPath);
-
-	TCDriverObject = DriverObject;
-	memset (VirtualVolumeDeviceObjects, 0, sizeof (VirtualVolumeDeviceObjects));
-
-	ReadRegistryConfigFlags (TRUE);
-	EncryptionThreadPoolStart (EncryptionThreadPoolFreeCpuCountLimit);
-	SelfTestsPassed = AutoTestAlgorithms();
-
-	// Enable device class filters and load boot arguments if the driver is set to start at system boot
-		
-	if (NT_SUCCESS (TCReadRegistryKey (RegistryPath, L"Start", &startKeyValue)))
-	{
-		if (startKeyValue->Type == REG_DWORD && *((uint32 *) startKeyValue->Data) == SERVICE_BOOT_START)
-		{
-			if (!SelfTestsPassed)
-				TC_BUG_CHECK (STATUS_INVALID_PARAMETER);
-
-			LoadBootArguments();
-			VolumeClassFilterRegistered = IsVolumeClassFilterRegistered();
-
-			DriverObject->DriverExtension->AddDevice = DriverAddDevice;
-		}
-
-		TCfree (startKeyValue);
-	}
-
-	for (i = 0; i <= IRP_MJ_MAXIMUM_FUNCTION; ++i)
-	{
-		DriverObject->MajorFunction[i] = TCDispatchQueueIRP;
-	}
-
-	DriverObject->DriverUnload = TCUnloadDriver;
-	return TCCreateRootDeviceObject (DriverObject);
-}
-
-
-NTSTATUS DriverAddDevice (PDRIVER_OBJECT driverObject, PDEVICE_OBJECT pdo)
-{
-#ifdef DEBUG
-	char nameInfoBuffer[128];
-	POBJECT_NAME_INFORMATION nameInfo = (POBJECT_NAME_INFORMATION) nameInfoBuffer;
-	ULONG nameInfoSize;
-	Dump ("AddDevice pdo=%p type=%x name=%ws\n", pdo, pdo->DeviceType, NT_SUCCESS (ObQueryNameString (pdo, nameInfo, sizeof (nameInfoBuffer), &nameInfoSize)) ? nameInfo->Name.Buffer : L"?");
-#endif
-
-	if (VolumeClassFilterRegistered && BootArgsValid && BootArgs.HiddenSystemPartitionStart != 0)
-	{
-		PWSTR interfaceLinks = NULL;
-		if (NT_SUCCESS (IoGetDeviceInterfaces (&GUID_DEVINTERFACE_VOLUME, pdo, DEVICE_INTERFACE_INCLUDE_NONACTIVE, &interfaceLinks)) && interfaceLinks)
-		{
-			if (interfaceLinks[0] != UNICODE_NULL)
-			{
-				Dump ("Volume pdo=%p interface=%ws\n", pdo, interfaceLinks);
-				ExFreePool (interfaceLinks);
-
-				return VolumeFilterAddDevice (driverObject, pdo);
-			}
-
-			ExFreePool (interfaceLinks);
-		}
-	}
-
-	return DriveFilterAddDevice (driverObject, pdo);
-}
-
-
-// Dumps a memory region to debug output
-void DumpMemory (void *mem, int size)
-{
-	unsigned char str[20];
-	unsigned char *m = mem;
-	int i,j;
-
-	for (j = 0; j < size / 8; j++)
-	{
-		memset (str,0,sizeof str);
-		for (i = 0; i < 8; i++) 
-		{
-			if (m[i] > ' ' && m[i] <= '~')
-				str[i]=m[i];
-			else
-				str[i]='.';
-		}
-
-		Dump ("0x%08p  %02x %02x %02x %02x %02x %02x %02x %02x  %s\n",
-			m, m[0], m[1], m[2], m[3], m[4], m[5], m[6], m[7], str);
-
-		m+=8;
-	}
-}
-
-
-BOOL ValidateIOBufferSize (PIRP irp, size_t requiredBufferSize, ValidateIOBufferSizeType type)
-{
-	PIO_STACK_LOCATION irpSp = IoGetCurrentIrpStackLocation (irp);
-	BOOL input = (type == ValidateInput || type == ValidateInputOutput);
-	BOOL output = (type == ValidateOutput || type == ValidateInputOutput);
-
-	if ((input && irpSp->Parameters.DeviceIoControl.InputBufferLength < requiredBufferSize)
-		|| (output && irpSp->Parameters.DeviceIoControl.OutputBufferLength < requiredBufferSize))
-	{
-		Dump ("STATUS_BUFFER_TOO_SMALL ioctl=0x%x,%d in=%d out=%d reqsize=%d insize=%d outsize=%d\n", (int) (irpSp->Parameters.DeviceIoControl.IoControlCode >> 16), (int) ((irpSp->Parameters.DeviceIoControl.IoControlCode & 0x1FFF) >> 2), input, output, requiredBufferSize, irpSp->Parameters.DeviceIoControl.InputBufferLength, irpSp->Parameters.DeviceIoControl.OutputBufferLength);
-
-		irp->IoStatus.Status = STATUS_BUFFER_TOO_SMALL;
-		irp->IoStatus.Information = 0;
-		return FALSE;
-	}
-
-	if (!input && output)
-		memset (irp->AssociatedIrp.SystemBuffer, 0, irpSp->Parameters.DeviceIoControl.OutputBufferLength);
-
-	return TRUE;
-}
-
-
-PDEVICE_OBJECT GetVirtualVolumeDeviceObject (int driveNumber)
-{
-	if (driveNumber < MIN_MOUNTED_VOLUME_DRIVE_NUMBER || driveNumber > MAX_MOUNTED_VOLUME_DRIVE_NUMBER)
-		return NULL;
-
-	return VirtualVolumeDeviceObjects[driveNumber];
-}
-
-
-/* TCDispatchQueueIRP queues any IRP's so that they can be processed later
-   by the thread -- or in some cases handles them immediately! */
-NTSTATUS TCDispatchQueueIRP (PDEVICE_OBJECT DeviceObject, PIRP Irp)
-{
-	PEXTENSION Extension = (PEXTENSION) DeviceObject->DeviceExtension;
-	PIO_STACK_LOCATION irpSp = IoGetCurrentIrpStackLocation (Irp);
-	NTSTATUS ntStatus;
-
-#ifdef _DEBUG
-	if (irpSp->MajorFunction == IRP_MJ_DEVICE_CONTROL && (Extension->bRootDevice || Extension->IsVolumeDevice))
-	{
-		switch (irpSp->Parameters.DeviceIoControl.IoControlCode)
-		{
-		case TC_IOCTL_GET_MOUNTED_VOLUMES:
-		case TC_IOCTL_GET_PASSWORD_CACHE_STATUS:
-		case TC_IOCTL_GET_PORTABLE_MODE_STATUS:
-		case TC_IOCTL_SET_PORTABLE_MODE_STATUS:
-		case TC_IOCTL_OPEN_TEST:
-		case TC_IOCTL_GET_RESOLVED_SYMLINK:
-		case TC_IOCTL_GET_DEVICE_REFCOUNT:
-		case TC_IOCTL_GET_DRIVE_PARTITION_INFO:
-		case TC_IOCTL_GET_BOOT_DRIVE_VOLUME_PROPERTIES:
-		case TC_IOCTL_GET_BOOT_ENCRYPTION_STATUS:
-		case TC_IOCTL_GET_DECOY_SYSTEM_WIPE_STATUS:
-		case TC_IOCTL_GET_WARNING_FLAGS:
-		case TC_IOCTL_IS_HIDDEN_SYSTEM_RUNNING:
-		case IOCTL_DISK_CHECK_VERIFY:
-			break;
-
-		default:
-			Dump ("%ls (0x%x %d)\n",
-				TCTranslateCode (irpSp->Parameters.DeviceIoControl.IoControlCode),
-				(int) (irpSp->Parameters.DeviceIoControl.IoControlCode >> 16),
-				(int) ((irpSp->Parameters.DeviceIoControl.IoControlCode & 0x1FFF) >> 2));
-		}
-	}
-#endif
-
-	if (!Extension->bRootDevice)
-	{
-		// Drive filter IRP
-		if (Extension->IsDriveFilterDevice)
-			return DriveFilterDispatchIrp (DeviceObject, Irp);
-
-		// Volume filter IRP
-		if (Extension->IsVolumeFilterDevice)
-			return VolumeFilterDispatchIrp (DeviceObject, Irp);
-	}
-
-	switch (irpSp->MajorFunction)
-	{
-	case IRP_MJ_CLOSE:
-	case IRP_MJ_CREATE:
-	case IRP_MJ_CLEANUP:
-		return COMPLETE_IRP (DeviceObject, Irp, STATUS_SUCCESS, 0);
-
-	case IRP_MJ_SHUTDOWN:
-		if (Extension->bRootDevice)
-		{
-			Dump ("Driver shutting down\n");
-			DriverShuttingDown = TRUE;
-
-			if (EncryptionSetupThread)
-				while (SendDeviceIoControlRequest (RootDeviceObject, TC_IOCTL_ABORT_BOOT_ENCRYPTION_SETUP, NULL, 0, NULL, 0) == STATUS_INSUFFICIENT_RESOURCES);
-
-			if (DecoySystemWipeThread)
-				while (SendDeviceIoControlRequest (RootDeviceObject, TC_IOCTL_ABORT_DECOY_SYSTEM_WIPE, NULL, 0, NULL, 0) == STATUS_INSUFFICIENT_RESOURCES);
-
-			OnShutdownPending();
-		}
-
-		return COMPLETE_IRP (DeviceObject, Irp, STATUS_SUCCESS, 0);
-
-	case IRP_MJ_FLUSH_BUFFERS:
-	case IRP_MJ_READ:
-	case IRP_MJ_WRITE:
-	case IRP_MJ_DEVICE_CONTROL:
-
-		if (Extension->bRootDevice)
-		{
-			if (irpSp->MajorFunction == IRP_MJ_DEVICE_CONTROL)
-			{
-				NTSTATUS status = KeWaitForMutexObject (&RootDeviceControlMutex, Executive, KernelMode, FALSE, NULL);
-				if (!NT_SUCCESS (status))
-					return status;
-
-				status = ProcessMainDeviceControlIrp (DeviceObject, Extension, Irp);
-
-				KeReleaseMutex (&RootDeviceControlMutex, FALSE);
-				return status;
-			}
-			break;
-		}
-
-		if (Extension->bShuttingDown)
-		{
-			Dump ("Device %d shutting down: STATUS_DELETE_PENDING\n", Extension->nDosDriveNo);
-			return TCCompleteDiskIrp (Irp, STATUS_DELETE_PENDING, 0);
-		}
-
-		if (Extension->bRemovable
-			&& (DeviceObject->Flags & DO_VERIFY_VOLUME)
-			&& !(irpSp->Flags & SL_OVERRIDE_VERIFY_VOLUME)
-			&& irpSp->MajorFunction != IRP_MJ_FLUSH_BUFFERS)
-		{
-			Dump ("Removable device %d has DO_VERIFY_VOLUME flag: STATUS_DEVICE_NOT_READY\n", Extension->nDosDriveNo);
-			return TCCompleteDiskIrp (Irp, STATUS_DEVICE_NOT_READY, 0);
-		}
-
-		switch (irpSp->MajorFunction)
-		{
-		case IRP_MJ_READ:
-		case IRP_MJ_WRITE:
-			ntStatus = EncryptedIoQueueAddIrp (&Extension->Queue, Irp);
-
-			if (ntStatus != STATUS_PENDING)
-				TCCompleteDiskIrp (Irp, ntStatus, 0);
-
-			return ntStatus;
-
-		case IRP_MJ_DEVICE_CONTROL:
-			ntStatus = IoAcquireRemoveLock (&Extension->Queue.RemoveLock, Irp);
-			if (!NT_SUCCESS (ntStatus))
-				return TCCompleteIrp (Irp, ntStatus, 0);
-
-			IoMarkIrpPending (Irp);
-			
-			ExInterlockedInsertTailList (&Extension->ListEntry, &Irp->Tail.Overlay.ListEntry, &Extension->ListSpinLock);
-			KeReleaseSemaphore (&Extension->RequestSemaphore, IO_DISK_INCREMENT, 1, FALSE);
-			
-			return STATUS_PENDING;
-
-		case IRP_MJ_FLUSH_BUFFERS:
-			return TCCompleteDiskIrp (Irp, STATUS_SUCCESS, 0);
-		}
-
-		break;
-
-	case IRP_MJ_PNP:
-		if (!Extension->bRootDevice
-			&& Extension->IsVolumeDevice
-			&& irpSp->MinorFunction == IRP_MN_DEVICE_USAGE_NOTIFICATION
-			&& irpSp->Parameters.UsageNotification.Type == DeviceUsageTypePaging
-			&& irpSp->Parameters.UsageNotification.InPath)
-		{
-			PagingFileCreationPrevented = TRUE;
-			return TCCompleteIrp (Irp, STATUS_UNSUCCESSFUL, 0);
-		}
-		break;
-	}
-
-	return TCCompleteIrp (Irp, STATUS_INVALID_DEVICE_REQUEST, 0);
-}
-
-NTSTATUS TCCreateRootDeviceObject (PDRIVER_OBJECT DriverObject)
-{
-	UNICODE_STRING Win32NameString, ntUnicodeString;
-	WCHAR dosname[32], ntname[32];
-	PDEVICE_OBJECT DeviceObject;
-	NTSTATUS ntStatus;
-	BOOL *bRootExtension;
-
-	Dump ("TCCreateRootDeviceObject BEGIN\n");
-	ASSERT (KeGetCurrentIrql() == PASSIVE_LEVEL);
-
-	RtlStringCbCopyW (dosname, sizeof(dosname),(LPWSTR) DOS_ROOT_PREFIX);
-	RtlStringCbCopyW (ntname, sizeof(ntname),(LPWSTR) NT_ROOT_PREFIX);
-	RtlInitUnicodeString (&ntUnicodeString, ntname);
-	RtlInitUnicodeString (&Win32NameString, dosname);
-
-	Dump ("Creating root device nt=%ls dos=%ls\n", ntname, dosname);
-	
-	ntStatus = IoCreateDevice (
-					  DriverObject,
-					  sizeof (BOOL),
-					  &ntUnicodeString,
-					  FILE_DEVICE_UNKNOWN,
-					  FILE_DEVICE_SECURE_OPEN,
-					  FALSE,
-					  &DeviceObject);
-
-	if (!NT_SUCCESS (ntStatus))
-	{
-		Dump ("TCCreateRootDeviceObject NTSTATUS = 0x%08x END\n", ntStatus);
-		return ntStatus;/* Failed to create DeviceObject */
-	}
-
-	DeviceObject->Flags |= DO_DIRECT_IO;
-	DeviceObject->AlignmentRequirement = FILE_WORD_ALIGNMENT;
-
-	/* Setup the device extension */
-	bRootExtension = (BOOL *) DeviceObject->DeviceExtension;
-	*bRootExtension = TRUE;
-
-	KeInitializeMutex (&RootDeviceControlMutex, 0);
-
-	ntStatus = IoCreateSymbolicLink (&Win32NameString, &ntUnicodeString);
-
-	if (!NT_SUCCESS (ntStatus))
-	{
-		Dump ("TCCreateRootDeviceObject NTSTATUS = 0x%08x END\n", ntStatus);
-		IoDeleteDevice (DeviceObject);
-		return ntStatus;
-	}
-
-	IoRegisterShutdownNotification (DeviceObject);
-	RootDeviceObject = DeviceObject;
-
-	Dump ("TCCreateRootDeviceObject STATUS_SUCCESS END\n");
-	return STATUS_SUCCESS;
-}
-
-NTSTATUS TCCreateDeviceObject (PDRIVER_OBJECT DriverObject,
-		       PDEVICE_OBJECT * ppDeviceObject,
-		       MOUNT_STRUCT * mount)
-{
-	UNICODE_STRING ntUnicodeString;
-	WCHAR ntname[32];
-	PEXTENSION Extension;
-	NTSTATUS ntStatus;
-	ULONG devChars = 0;
-#if defined (DEBUG)
-	WCHAR dosname[32];
-#endif
-
-	Dump ("TCCreateDeviceObject BEGIN\n");
-	ASSERT (KeGetCurrentIrql() == PASSIVE_LEVEL);
-
-	TCGetNTNameFromNumber (ntname, sizeof(ntname),mount->nDosDriveNo);
-	RtlInitUnicodeString (&ntUnicodeString, ntname);
-#if defined (DEBUG)
-	TCGetDosNameFromNumber (dosname, sizeof(dosname),mount->nDosDriveNo, DeviceNamespaceDefault);
-#endif
-
-	devChars = FILE_DEVICE_SECURE_OPEN;
-	devChars |= mount->bMountReadOnly ? FILE_READ_ONLY_DEVICE : 0;
-	devChars |= mount->bMountRemovable ? FILE_REMOVABLE_MEDIA : 0;
-
-	Dump ("Creating device nt=%ls dos=%ls\n", ntname, dosname);
-
-	ntStatus = IoCreateDevice (
-					  DriverObject,			/* Our Driver Object */
-					  sizeof (EXTENSION),	/* Size of state information */
-					  &ntUnicodeString,		/* Device name "\Device\Name" */
-					  FILE_DEVICE_DISK,		/* Device type */
-					  devChars,				/* Device characteristics */
-					  FALSE,				/* Exclusive device */
-					  ppDeviceObject);		/* Returned ptr to Device Object */
-
-	if (!NT_SUCCESS (ntStatus))
-	{
-		Dump ("TCCreateDeviceObject NTSTATUS = 0x%08x END\n", ntStatus);
-		return ntStatus;/* Failed to create DeviceObject */
-	}
-	/* Initialize device object and extension. */
-
-	(*ppDeviceObject)->Flags |= DO_DIRECT_IO;
-	(*ppDeviceObject)->StackSize += 6;		// Reduce occurrence of NO_MORE_IRP_STACK_LOCATIONS bug check caused by buggy drivers
-
-	/* Setup the device extension */
-	Extension = (PEXTENSION) (*ppDeviceObject)->DeviceExtension;
-	memset (Extension, 0, sizeof (EXTENSION));
-
-	Extension->IsVolumeDevice = TRUE;
-	Extension->nDosDriveNo = mount->nDosDriveNo;
-	Extension->bRemovable = mount->bMountRemovable;
-	Extension->PartitionInInactiveSysEncScope = mount->bPartitionInInactiveSysEncScope;
-	Extension->SystemFavorite = mount->SystemFavorite;
-
-	KeInitializeEvent (&Extension->keCreateEvent, SynchronizationEvent, FALSE);
-	KeInitializeSemaphore (&Extension->RequestSemaphore, 0L, MAXLONG);
-	KeInitializeSpinLock (&Extension->ListSpinLock);
-	InitializeListHead (&Extension->ListEntry);
-	IoInitializeRemoveLock (&Extension->Queue.RemoveLock, 'LRCV', 0, 0);
-
-	VirtualVolumeDeviceObjects[mount->nDosDriveNo] = *ppDeviceObject;
-
-	Dump ("TCCreateDeviceObject STATUS_SUCCESS END\n");
-
-	return STATUS_SUCCESS;
-}
-
-
-BOOL RootDeviceControlMutexAcquireNoWait ()
-{
-	NTSTATUS status;
-	LARGE_INTEGER timeout;
-	timeout.QuadPart = 0;
-
-	status = KeWaitForMutexObject (&RootDeviceControlMutex, Executive, KernelMode, FALSE, &timeout);
-	return NT_SUCCESS (status) && status != STATUS_TIMEOUT;
-}
-
-
-void RootDeviceControlMutexRelease ()
-{
-	KeReleaseMutex (&RootDeviceControlMutex, FALSE);
-}
-
-
-NTSTATUS ProcessVolumeDeviceControlIrp (PDEVICE_OBJECT DeviceObject, PEXTENSION Extension, PIRP Irp)
-{
-	PIO_STACK_LOCATION irpSp = IoGetCurrentIrpStackLocation (Irp);
-
-	switch (irpSp->Parameters.DeviceIoControl.IoControlCode)
-	{
-
-	case IOCTL_MOUNTDEV_QUERY_DEVICE_NAME:
-		if (!ValidateIOBufferSize (Irp, sizeof (MOUNTDEV_NAME), ValidateOutput))
-		{
-			Irp->IoStatus.Information = sizeof (MOUNTDEV_NAME);
-			Irp->IoStatus.Status = STATUS_BUFFER_OVERFLOW;
-		}
-		else
-		{
-			ULONG outLength;
-			UNICODE_STRING ntUnicodeString;
-			WCHAR ntName[256];
-			PMOUNTDEV_NAME outputBuffer = (PMOUNTDEV_NAME) Irp->AssociatedIrp.SystemBuffer;
-
-			TCGetNTNameFromNumber (ntName, sizeof(ntName),Extension->nDosDriveNo);
-			RtlInitUnicodeString (&ntUnicodeString, ntName);
-
-			outputBuffer->NameLength = ntUnicodeString.Length;
-			outLength = ntUnicodeString.Length + sizeof(USHORT);
-
-			if (irpSp->Parameters.DeviceIoControl.OutputBufferLength < outLength)
-			{
-				Irp->IoStatus.Information = sizeof (MOUNTDEV_NAME);
-				Irp->IoStatus.Status = STATUS_BUFFER_OVERFLOW;
-
-				break;
-			}
-
-			RtlCopyMemory ((PCHAR)outputBuffer->Name,ntUnicodeString.Buffer, ntUnicodeString.Length);
-
-			Irp->IoStatus.Status = STATUS_SUCCESS;
-			Irp->IoStatus.Information = outLength;
-
-			Dump ("name = %ls\n",ntName);
-		}
-		break;
-
-	case IOCTL_MOUNTDEV_QUERY_UNIQUE_ID:
-		if (!ValidateIOBufferSize (Irp, sizeof (MOUNTDEV_UNIQUE_ID), ValidateOutput))
-		{
-			Irp->IoStatus.Information = sizeof (MOUNTDEV_UNIQUE_ID);
-			Irp->IoStatus.Status = STATUS_BUFFER_OVERFLOW;
-		}
-		else
-		{
-			ULONG outLength;
-			UCHAR volId[128], tmp[] = { 0,0 };
-			PMOUNTDEV_UNIQUE_ID outputBuffer = (PMOUNTDEV_UNIQUE_ID) Irp->AssociatedIrp.SystemBuffer;
-
-			RtlStringCbCopyA (volId, sizeof(volId),TC_UNIQUE_ID_PREFIX); 
-			tmp[0] = 'A' + (UCHAR) Extension->nDosDriveNo;
-			RtlStringCbCatA (volId, sizeof(volId),tmp);
-			
-			outputBuffer->UniqueIdLength = (USHORT) strlen (volId);
-			outLength = (ULONG) (strlen (volId) + sizeof (USHORT));
-
-			if (irpSp->Parameters.DeviceIoControl.OutputBufferLength < outLength)
-			{
-				Irp->IoStatus.Information = sizeof (MOUNTDEV_UNIQUE_ID);
-				Irp->IoStatus.Status = STATUS_BUFFER_OVERFLOW;
-				break;
-			}
-
-			RtlCopyMemory ((PCHAR)outputBuffer->UniqueId, volId, strlen (volId));
-
-			Irp->IoStatus.Status = STATUS_SUCCESS;
-			Irp->IoStatus.Information = outLength;
-
-			Dump ("id = %s\n",volId);
-		}
-		break;
-
-	case IOCTL_MOUNTDEV_QUERY_SUGGESTED_LINK_NAME:
-		{
-			ULONG outLength;
-			UNICODE_STRING ntUnicodeString;
-			WCHAR ntName[256];
-			PMOUNTDEV_SUGGESTED_LINK_NAME outputBuffer = (PMOUNTDEV_SUGGESTED_LINK_NAME) Irp->AssociatedIrp.SystemBuffer;
-
-			if (!ValidateIOBufferSize (Irp, sizeof (MOUNTDEV_SUGGESTED_LINK_NAME), ValidateOutput))
-			{
-				Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
-				Irp->IoStatus.Information = 0;
-				break; 
-			}
-
-			TCGetDosNameFromNumber (ntName, sizeof(ntName),Extension->nDosDriveNo, DeviceNamespaceDefault);
-			RtlInitUnicodeString (&ntUnicodeString, ntName);
-
-			outLength = FIELD_OFFSET(MOUNTDEV_SUGGESTED_LINK_NAME,Name) + ntUnicodeString.Length;
-
-			outputBuffer->UseOnlyIfThereAreNoOtherLinks = FALSE;
-			outputBuffer->NameLength = ntUnicodeString.Length;
-
-			if(irpSp->Parameters.DeviceIoControl.OutputBufferLength < outLength)
-			{
-				Irp->IoStatus.Information = sizeof (MOUNTDEV_SUGGESTED_LINK_NAME);
-				Irp->IoStatus.Status = STATUS_BUFFER_OVERFLOW;
-				break;
-			}
-
-			RtlCopyMemory ((PCHAR)outputBuffer->Name,ntUnicodeString.Buffer, ntUnicodeString.Length);
-		
-			Irp->IoStatus.Status = STATUS_SUCCESS;
-			Irp->IoStatus.Information = outLength;
-
-			Dump ("link = %ls\n",ntName);
-		}
-		break;
-
-	case IOCTL_DISK_GET_MEDIA_TYPES:
-	case IOCTL_DISK_GET_DRIVE_GEOMETRY:
-		/* Return the drive geometry for the disk.  Note that we
-		   return values which were made up to suit the disk size.  */
-		if (ValidateIOBufferSize (Irp, sizeof (DISK_GEOMETRY), ValidateOutput))
-		{
-			PDISK_GEOMETRY outputBuffer = (PDISK_GEOMETRY)
-			Irp->AssociatedIrp.SystemBuffer;
-
-			outputBuffer->MediaType = Extension->bRemovable ? RemovableMedia : FixedMedia;
-			outputBuffer->Cylinders.QuadPart = Extension->NumberOfCylinders;
-			outputBuffer->TracksPerCylinder = Extension->TracksPerCylinder;
-			outputBuffer->SectorsPerTrack = Extension->SectorsPerTrack;
-			outputBuffer->BytesPerSector = Extension->BytesPerSector;
-			Irp->IoStatus.Status = STATUS_SUCCESS;
-			Irp->IoStatus.Information = sizeof (DISK_GEOMETRY);
-		}
-		break;
-
-	case IOCTL_STORAGE_QUERY_PROPERTY:
-		if (EnableExtendedIoctlSupport)
-		{
-			if (ValidateIOBufferSize (Irp, sizeof (STORAGE_PROPERTY_QUERY), ValidateInput))
-			{			
-				PSTORAGE_PROPERTY_QUERY pStoragePropQuery = (PSTORAGE_PROPERTY_QUERY) Irp->AssociatedIrp.SystemBuffer;
-				STORAGE_QUERY_TYPE type = pStoragePropQuery->QueryType;
-
-				/* return error if an unsupported type is encountered */
-				Irp->IoStatus.Status = STATUS_INVALID_DEVICE_REQUEST;
-				Irp->IoStatus.Information = 0;
-
-				if (	(pStoragePropQuery->PropertyId == StorageAccessAlignmentProperty)
-					||	(pStoragePropQuery->PropertyId == StorageDeviceProperty)
-					)
-				{
-					if (type == PropertyExistsQuery)
-					{
-						Irp->IoStatus.Status = STATUS_SUCCESS;
-						Irp->IoStatus.Information = 0;
-					}
-					else if (type == PropertyStandardQuery)
-					{
-						switch (pStoragePropQuery->PropertyId)
-						{
-							case StorageDeviceProperty:
-								{
-									if (ValidateIOBufferSize (Irp, sizeof (STORAGE_DEVICE_DESCRIPTOR), ValidateOutput))
-									{
-										PSTORAGE_DEVICE_DESCRIPTOR outputBuffer = (PSTORAGE_DEVICE_DESCRIPTOR) Irp->AssociatedIrp.SystemBuffer;
-
-										outputBuffer->Version = sizeof(STORAGE_DEVICE_DESCRIPTOR);
-										outputBuffer->Size = sizeof(STORAGE_DEVICE_DESCRIPTOR);
-										outputBuffer->DeviceType = FILE_DEVICE_DISK;
-										outputBuffer->RemovableMedia = Extension->bRemovable? TRUE : FALSE;
-										Irp->IoStatus.Status = STATUS_SUCCESS;
-										Irp->IoStatus.Information = sizeof (STORAGE_DEVICE_DESCRIPTOR);
-									}
-								}
-								break;
-							case StorageAccessAlignmentProperty:
-								{
-									if (ValidateIOBufferSize (Irp, sizeof (STORAGE_ACCESS_ALIGNMENT_DESCRIPTOR), ValidateOutput))
-									{
-										PSTORAGE_ACCESS_ALIGNMENT_DESCRIPTOR outputBuffer = (PSTORAGE_ACCESS_ALIGNMENT_DESCRIPTOR) Irp->AssociatedIrp.SystemBuffer;
-
-										outputBuffer->Version = sizeof(STORAGE_ACCESS_ALIGNMENT_DESCRIPTOR);
-										outputBuffer->Size = sizeof(STORAGE_ACCESS_ALIGNMENT_DESCRIPTOR);
-										outputBuffer->BytesPerLogicalSector = Extension->BytesPerSector;
-										outputBuffer->BytesPerPhysicalSector = Extension->HostBytesPerPhysicalSector;
-										outputBuffer->BytesOffsetForSectorAlignment = Extension->BytesOffsetForSectorAlignment;
-										Irp->IoStatus.Status = STATUS_SUCCESS;
-										Irp->IoStatus.Information = sizeof (STORAGE_ACCESS_ALIGNMENT_DESCRIPTOR);
-									}
-								}
-								break;
-						}
-					}
-				}
-			}
-		}
-		else
-			return TCCompleteIrp (Irp, STATUS_INVALID_DEVICE_REQUEST, 0);
-		
-		break;
-
-	case IOCTL_DISK_GET_PARTITION_INFO:
-		if (ValidateIOBufferSize (Irp, sizeof (PARTITION_INFORMATION), ValidateOutput))
-		{
-			PPARTITION_INFORMATION outputBuffer = (PPARTITION_INFORMATION)
-			Irp->AssociatedIrp.SystemBuffer;
-
-			outputBuffer->PartitionType = Extension->PartitionType;
-			outputBuffer->BootIndicator = FALSE;
-			outputBuffer->RecognizedPartition = TRUE;
-			outputBuffer->RewritePartition = FALSE;
-			outputBuffer->StartingOffset.QuadPart = Extension->BytesPerSector;
-			outputBuffer->PartitionLength.QuadPart= Extension->DiskLength;
-			outputBuffer->HiddenSectors = 0;
-			Irp->IoStatus.Status = STATUS_SUCCESS;
-			Irp->IoStatus.Information = sizeof (PARTITION_INFORMATION);
-		}
-		break;
-
-	case IOCTL_DISK_GET_PARTITION_INFO_EX:
-		if (ValidateIOBufferSize (Irp, sizeof (PARTITION_INFORMATION_EX), ValidateOutput))
-		{
-			PPARTITION_INFORMATION_EX outputBuffer = (PPARTITION_INFORMATION_EX) Irp->AssociatedIrp.SystemBuffer;
-
-			outputBuffer->PartitionStyle = PARTITION_STYLE_MBR;
-			outputBuffer->RewritePartition = FALSE;
-			outputBuffer->StartingOffset.QuadPart = Extension->BytesPerSector;
-			outputBuffer->PartitionLength.QuadPart= Extension->DiskLength;
-			outputBuffer->Mbr.PartitionType = Extension->PartitionType;
-			outputBuffer->Mbr.BootIndicator = FALSE;
-			outputBuffer->Mbr.RecognizedPartition = TRUE;
-			outputBuffer->Mbr.HiddenSectors = 0;
-			Irp->IoStatus.Status = STATUS_SUCCESS;
-			Irp->IoStatus.Information = sizeof (PARTITION_INFORMATION_EX);
-		}
-		break;
-
-	case IOCTL_DISK_GET_DRIVE_LAYOUT:
-		if (ValidateIOBufferSize (Irp, sizeof (DRIVE_LAYOUT_INFORMATION), ValidateOutput))
-		{
-			PDRIVE_LAYOUT_INFORMATION outputBuffer = (PDRIVE_LAYOUT_INFORMATION)
-			Irp->AssociatedIrp.SystemBuffer;
-
-			outputBuffer->PartitionCount = 1;
-			outputBuffer->Signature = 0;
-
-			outputBuffer->PartitionEntry->PartitionType = Extension->PartitionType;
-			outputBuffer->PartitionEntry->BootIndicator = FALSE;
-			outputBuffer->PartitionEntry->RecognizedPartition = TRUE;
-			outputBuffer->PartitionEntry->RewritePartition = FALSE;
-			outputBuffer->PartitionEntry->StartingOffset.QuadPart = Extension->BytesPerSector;
-			outputBuffer->PartitionEntry->PartitionLength.QuadPart = Extension->DiskLength;
-			outputBuffer->PartitionEntry->HiddenSectors = 0;
-
-			Irp->IoStatus.Status = STATUS_SUCCESS;
-			Irp->IoStatus.Information = sizeof (PARTITION_INFORMATION);
-		}
-		break;
-
-	case IOCTL_DISK_GET_LENGTH_INFO:
-		if (!ValidateIOBufferSize (Irp, sizeof (GET_LENGTH_INFORMATION), ValidateOutput))
-		{
-			Irp->IoStatus.Status = STATUS_BUFFER_OVERFLOW;
-			Irp->IoStatus.Information = sizeof (GET_LENGTH_INFORMATION);
-		}
-		else
-		{
-			PGET_LENGTH_INFORMATION outputBuffer = (PGET_LENGTH_INFORMATION) Irp->AssociatedIrp.SystemBuffer;
-
-			outputBuffer->Length.QuadPart = Extension->DiskLength;
-			Irp->IoStatus.Status = STATUS_SUCCESS;
-			Irp->IoStatus.Information = sizeof (GET_LENGTH_INFORMATION);
-		}
-		break;
-
-	case IOCTL_DISK_VERIFY:
-		if (ValidateIOBufferSize (Irp, sizeof (VERIFY_INFORMATION), ValidateInput))
-		{
-			HRESULT hResult;
-			ULONGLONG ullStartingOffset, ullNewOffset, ullEndOffset; 
-			PVERIFY_INFORMATION pVerifyInformation;
-			pVerifyInformation = (PVERIFY_INFORMATION) Irp->AssociatedIrp.SystemBuffer;
-
-			ullStartingOffset = (ULONGLONG) pVerifyInformation->StartingOffset.QuadPart;
-			hResult = ULongLongAdd(ullStartingOffset, 
-				(ULONGLONG) Extension->cryptoInfo->hiddenVolume ? Extension->cryptoInfo->hiddenVolumeOffset : Extension->cryptoInfo->volDataAreaOffset, 
-				&ullNewOffset);
-			if (hResult != S_OK)
-				Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
-			else if (S_OK != ULongLongAdd(ullStartingOffset, (ULONGLONG) pVerifyInformation->Length, &ullEndOffset))
-				Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
-			else if (ullEndOffset > (ULONGLONG) Extension->DiskLength)
-				Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
-			else
-			{
-				IO_STATUS_BLOCK ioStatus;
-				PVOID buffer = TCalloc (max (pVerifyInformation->Length, PAGE_SIZE));
-				
-				if (!buffer)
-				{
-					Irp->IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
-				}
-				else
-				{
-					LARGE_INTEGER offset = pVerifyInformation->StartingOffset;
-					offset.QuadPart = ullNewOffset;
-
-					Irp->IoStatus.Status = ZwReadFile (Extension->hDeviceFile, NULL, NULL, NULL, &ioStatus, buffer, pVerifyInformation->Length, &offset, NULL);
-					TCfree (buffer);
-
-					if (NT_SUCCESS (Irp->IoStatus.Status) && ioStatus.Information != pVerifyInformation->Length)
-						Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
-				}
-			}
-
-			Irp->IoStatus.Information = 0;
-		}
-		break;
-
-	case IOCTL_DISK_CHECK_VERIFY:
-	case IOCTL_STORAGE_CHECK_VERIFY:
-		{
-			Irp->IoStatus.Status = STATUS_SUCCESS;
-			Irp->IoStatus.Information = 0;
-
-			if (irpSp->Parameters.DeviceIoControl.OutputBufferLength >= sizeof (ULONG))
-			{
-				*((ULONG *) Irp->AssociatedIrp.SystemBuffer) = 0;
-				Irp->IoStatus.Information = sizeof (ULONG);
-			}
-		}
-		break;
-
-	case IOCTL_DISK_IS_WRITABLE:
-		{
-			if (Extension->bReadOnly)
-				Irp->IoStatus.Status = STATUS_MEDIA_WRITE_PROTECTED;
-			else
-				Irp->IoStatus.Status = STATUS_SUCCESS;
-			Irp->IoStatus.Information = 0;
-
-		}
-		break;
-		
-	case IOCTL_VOLUME_ONLINE:
-		Irp->IoStatus.Status = STATUS_SUCCESS;
-		Irp->IoStatus.Information = 0;
-		break;
-
-	case IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS:
-
-		// Vista's filesystem defragmenter fails if IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS does not succeed.
-		if (!(OsMajorVersion == 6 && OsMinorVersion == 0))
-		{
-			Irp->IoStatus.Status = STATUS_INVALID_DEVICE_REQUEST;
-			Irp->IoStatus.Information = 0;
-		}
-		else if (ValidateIOBufferSize (Irp, sizeof (VOLUME_DISK_EXTENTS), ValidateOutput))
-		{
-			VOLUME_DISK_EXTENTS *extents = (VOLUME_DISK_EXTENTS *) Irp->AssociatedIrp.SystemBuffer;
-
-			// No extent data can be returned as this is not a physical drive.
-			memset (extents, 0, sizeof (*extents));
-			extents->NumberOfDiskExtents = 0;
-
-			Irp->IoStatus.Status = STATUS_SUCCESS;
-			Irp->IoStatus.Information = sizeof (*extents);
-		}
-		break;
-
-	default:
-		return TCCompleteIrp (Irp, STATUS_INVALID_DEVICE_REQUEST, 0);
-	}
-
-#ifdef DEBUG
-	if (!NT_SUCCESS (Irp->IoStatus.Status))
-	{
-		Dump ("IOCTL error 0x%08x (0x%x %d)\n",
-			Irp->IoStatus.Status,
-			(int) (irpSp->Parameters.DeviceIoControl.IoControlCode >> 16),
-			(int) ((irpSp->Parameters.DeviceIoControl.IoControlCode & 0x1FFF) >> 2));
-	}
-#endif
-
-	return TCCompleteDiskIrp (Irp, Irp->IoStatus.Status, Irp->IoStatus.Information);
-}
-
-
-NTSTATUS ProcessMainDeviceControlIrp (PDEVICE_OBJECT DeviceObject, PEXTENSION Extension, PIRP Irp)
-{
-	PIO_STACK_LOCATION irpSp = IoGetCurrentIrpStackLocation (Irp);
-	NTSTATUS ntStatus;
-
-	switch (irpSp->Parameters.DeviceIoControl.IoControlCode)
-	{
-	case TC_IOCTL_GET_DRIVER_VERSION:
-	case TC_IOCTL_LEGACY_GET_DRIVER_VERSION:
-		if (ValidateIOBufferSize (Irp, sizeof (LONG), ValidateOutput))
-		{
-			LONG tmp = VERSION_NUM;
-			memcpy (Irp->AssociatedIrp.SystemBuffer, &tmp, 4);
-			Irp->IoStatus.Information = sizeof (LONG);
-			Irp->IoStatus.Status = STATUS_SUCCESS;
-		}
-		break;
-
-	case TC_IOCTL_GET_DEVICE_REFCOUNT:
-		if (ValidateIOBufferSize (Irp, sizeof (int), ValidateOutput))
-		{
-			*(int *) Irp->AssociatedIrp.SystemBuffer = DeviceObject->ReferenceCount;
-			Irp->IoStatus.Information = sizeof (int);
-			Irp->IoStatus.Status = STATUS_SUCCESS;
-		}
-		break;
-
-	case TC_IOCTL_IS_DRIVER_UNLOAD_DISABLED:
-		if (ValidateIOBufferSize (Irp, sizeof (int), ValidateOutput))
-		{
-			LONG deviceObjectCount = 0;
-
-			*(int *) Irp->AssociatedIrp.SystemBuffer = DriverUnloadDisabled;
-
-			if (IoEnumerateDeviceObjectList (TCDriverObject, NULL, 0, &deviceObjectCount) == STATUS_BUFFER_TOO_SMALL && deviceObjectCount > 1)
-				*(int *) Irp->AssociatedIrp.SystemBuffer = TRUE;
-
-			Irp->IoStatus.Information = sizeof (int);
-			Irp->IoStatus.Status = STATUS_SUCCESS;
-		}
-		break;
-
-	case TC_IOCTL_IS_ANY_VOLUME_MOUNTED:
-		if (ValidateIOBufferSize (Irp, sizeof (int), ValidateOutput))
-		{
-			int drive;
-			*(int *) Irp->AssociatedIrp.SystemBuffer = 0;
-
-			for (drive = MIN_MOUNTED_VOLUME_DRIVE_NUMBER; drive <= MAX_MOUNTED_VOLUME_DRIVE_NUMBER; ++drive)
-			{
-				if (GetVirtualVolumeDeviceObject (drive))
-				{
-					*(int *) Irp->AssociatedIrp.SystemBuffer = 1;
-					break;
-				}
-			}
-
-			if (IsBootDriveMounted())
-				*(int *) Irp->AssociatedIrp.SystemBuffer = 1;
-
-			Irp->IoStatus.Information = sizeof (int);
-			Irp->IoStatus.Status = STATUS_SUCCESS;
-		}
-		break;
-
-	case TC_IOCTL_OPEN_TEST:
-		{
-			OPEN_TEST_STRUCT *opentest = (OPEN_TEST_STRUCT *) Irp->AssociatedIrp.SystemBuffer;
-			OBJECT_ATTRIBUTES ObjectAttributes;
-			HANDLE NtFileHandle;
-			UNICODE_STRING FullFileName;
-			IO_STATUS_BLOCK IoStatus;
-			LARGE_INTEGER offset;
-			ACCESS_MASK access = FILE_READ_ATTRIBUTES;
-
-			if (!ValidateIOBufferSize (Irp, sizeof (OPEN_TEST_STRUCT), ValidateInputOutput))
-				break;
-
-			EnsureNullTerminatedString (opentest->wszFileName, sizeof (opentest->wszFileName));
-			RtlInitUnicodeString (&FullFileName, opentest->wszFileName);
-
-			InitializeObjectAttributes (&ObjectAttributes, &FullFileName, OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE, NULL, NULL);
-
-			if (opentest->bDetectTCBootLoader || opentest->DetectFilesystem || opentest->bMatchVolumeID)
-				access |= FILE_READ_DATA;
-
-			ntStatus = ZwCreateFile (&NtFileHandle,
-						 SYNCHRONIZE | access, &ObjectAttributes, &IoStatus, NULL,
-						 0, FILE_SHARE_READ | FILE_SHARE_WRITE, FILE_OPEN, FILE_SYNCHRONOUS_IO_NONALERT, NULL, 0);
-
-			if (NT_SUCCESS (ntStatus))
-			{
-				opentest->TCBootLoaderDetected = FALSE;
-				opentest->FilesystemDetected = FALSE;
-				opentest->VolumeIDMatched = FALSE;
-
-				if (opentest->bDetectTCBootLoader || opentest->DetectFilesystem || opentest->bMatchVolumeID)
-				{
-					byte *readBuffer = TCalloc (TC_MAX_VOLUME_SECTOR_SIZE);
-					if (!readBuffer)
-					{
-						ntStatus = STATUS_INSUFFICIENT_RESOURCES;
-					}
-					else
-					{
-						if (opentest->bDetectTCBootLoader || opentest->DetectFilesystem)
-						{
-							// Determine if the first sector contains a portion of the VeraCrypt Boot Loader
-
-							offset.QuadPart = 0;
-
-							ntStatus = ZwReadFile (NtFileHandle,
-								NULL,
-								NULL,
-								NULL,
-								&IoStatus,
-								readBuffer,
-								TC_MAX_VOLUME_SECTOR_SIZE,
-								&offset,
-								NULL);
-
-							if (NT_SUCCESS (ntStatus))
-							{
-								size_t i;
-
-								if (opentest->bDetectTCBootLoader && IoStatus.Information >= TC_SECTOR_SIZE_BIOS)
-								{
-									// Search for the string "VeraCrypt"
-									for (i = 0; i < TC_SECTOR_SIZE_BIOS - strlen (TC_APP_NAME); ++i)
-									{
-										if (memcmp (readBuffer + i, TC_APP_NAME, strlen (TC_APP_NAME)) == 0)
-										{
-											opentest->TCBootLoaderDetected = TRUE;
-											break;
-										}
-									}
-								}
-
-								if (opentest->DetectFilesystem && IoStatus.Information >= sizeof (int64))
-								{
-									switch (BE64 (*(uint64 *) readBuffer))
-									{
-									case 0xEB52904E54465320: // NTFS
-									case 0xEB3C904D53444F53: // FAT16
-									case 0xEB58904D53444F53: // FAT32
-									case 0xEB76904558464154: // exFAT
-
-										opentest->FilesystemDetected = TRUE;
-										break;
-									}
-								}
-							}
-						}
-
-						if (opentest->bMatchVolumeID)
-						{
-							int volumeType;
-							BYTE volumeID[VOLUME_ID_SIZE];
-
-							// Go through all volume types (e.g., normal, hidden)
-							for (volumeType = TC_VOLUME_TYPE_NORMAL;
-								volumeType < TC_VOLUME_TYPE_COUNT;
-								volumeType++)	
-							{
-								/* Read the volume header */
-								switch (volumeType)
-								{
-								case TC_VOLUME_TYPE_NORMAL:
-									offset.QuadPart = TC_VOLUME_HEADER_OFFSET;
-									break;
-
-								case TC_VOLUME_TYPE_HIDDEN:
-
-									offset.QuadPart = TC_HIDDEN_VOLUME_HEADER_OFFSET;
-									break;
-								}
-
-								ntStatus = ZwReadFile (NtFileHandle,
-								NULL,
-								NULL,
-								NULL,
-								&IoStatus,
-								readBuffer,
-								TC_MAX_VOLUME_SECTOR_SIZE,
-								&offset,
-								NULL);
-
-								if (NT_SUCCESS (ntStatus))
-								{
-									/* compute the ID of this volume: SHA-256 of the effective header */
-									sha256 (volumeID, readBuffer, TC_VOLUME_HEADER_EFFECTIVE_SIZE);
-
-									if (0 == memcmp (volumeID, opentest->volumeID, VOLUME_ID_SIZE))
-									{
-										opentest->VolumeIDMatched = TRUE;
-										break;
-									}
-								}
-							}
-						}
-
-						TCfree (readBuffer);
-					}
-				}
-
-				ZwClose (NtFileHandle);
-				Dump ("Open test on file %ls success.\n", opentest->wszFileName);
-			}
-			else
-			{
-#if 0
-				Dump ("Open test on file %ls failed NTSTATUS 0x%08x\n", opentest->wszFileName, ntStatus);
-#endif
-			}
-
-			Irp->IoStatus.Information = NT_SUCCESS (ntStatus) ? sizeof (OPEN_TEST_STRUCT) : 0;
-			Irp->IoStatus.Status = ntStatus;
-		}
-		break;
-
-	case TC_IOCTL_GET_SYSTEM_DRIVE_CONFIG:
-		{
-			GetSystemDriveConfigurationRequest *request = (GetSystemDriveConfigurationRequest *) Irp->AssociatedIrp.SystemBuffer;
-			OBJECT_ATTRIBUTES ObjectAttributes;
-			HANDLE NtFileHandle;
-			UNICODE_STRING FullFileName;
-			IO_STATUS_BLOCK IoStatus;
-			LARGE_INTEGER offset;
-			byte readBuffer [TC_SECTOR_SIZE_BIOS];
-				
-			if (!ValidateIOBufferSize (Irp, sizeof (GetSystemDriveConfigurationRequest), ValidateInputOutput))
-				break;
-
-			EnsureNullTerminatedString (request->DevicePath, sizeof (request->DevicePath));
-			RtlInitUnicodeString (&FullFileName, request->DevicePath);
-
-			InitializeObjectAttributes (&ObjectAttributes, &FullFileName, OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE, NULL, NULL);
-
-			ntStatus = ZwCreateFile (&NtFileHandle,
-				SYNCHRONIZE | GENERIC_READ, &ObjectAttributes, &IoStatus, NULL,
-				FILE_ATTRIBUTE_NORMAL, FILE_SHARE_READ | FILE_SHARE_WRITE, FILE_OPEN, FILE_SYNCHRONOUS_IO_NONALERT | FILE_RANDOM_ACCESS, NULL, 0);
-
-			if (NT_SUCCESS (ntStatus))
-			{
-				// Determine if the first sector contains a portion of the VeraCrypt Boot Loader
-				offset.QuadPart = 0;	// MBR
-
-				ntStatus = ZwReadFile (NtFileHandle,
-					NULL,
-					NULL,
-					NULL,
-					&IoStatus,
-					readBuffer,
-					sizeof(readBuffer),
-					&offset,
-					NULL);
-
-				if (NT_SUCCESS (ntStatus))
-				{
-					size_t i;
-
-					// Check for dynamic drive
-					request->DriveIsDynamic = FALSE;
-
-					if (readBuffer[510] == 0x55 && readBuffer[511] == 0xaa)
-					{
-						int i;
-						for (i = 0; i < 4; ++i)
-						{
-							if (readBuffer[446 + i * 16 + 4] == PARTITION_LDM)
-							{
-								request->DriveIsDynamic = TRUE;
-								break;
-							}
-						}
-					}
-
-					request->BootLoaderVersion = 0;
-					request->Configuration = 0;
-					request->UserConfiguration = 0;
-					request->CustomUserMessage[0] = 0;
-
-					// Search for the string "VeraCrypt"
-					for (i = 0; i < sizeof (readBuffer) - strlen (TC_APP_NAME); ++i)
-					{
-						if (memcmp (readBuffer + i, TC_APP_NAME, strlen (TC_APP_NAME)) == 0)
-						{
-							request->BootLoaderVersion = BE16 (*(uint16 *) (readBuffer + TC_BOOT_SECTOR_VERSION_OFFSET));
-							request->Configuration = readBuffer[TC_BOOT_SECTOR_CONFIG_OFFSET];
-
-							if (request->BootLoaderVersion != 0 && request->BootLoaderVersion <= VERSION_NUM)
-							{
-								request->UserConfiguration = readBuffer[TC_BOOT_SECTOR_USER_CONFIG_OFFSET];
-								memcpy (request->CustomUserMessage, readBuffer + TC_BOOT_SECTOR_USER_MESSAGE_OFFSET, TC_BOOT_SECTOR_USER_MESSAGE_MAX_LENGTH);
-							}
-							break;
-						}
-					}
-
-					Irp->IoStatus.Status = STATUS_SUCCESS;
-					Irp->IoStatus.Information = sizeof (*request);
-				}
-				else
-				{
-					Irp->IoStatus.Status = ntStatus;
-					Irp->IoStatus.Information = 0;
-				}
-
-				ZwClose (NtFileHandle);
-
-			}
-			else
-			{
-				Irp->IoStatus.Status = ntStatus;
-				Irp->IoStatus.Information = 0;
-			}
-		}
-		break;
-
-	case TC_IOCTL_WIPE_PASSWORD_CACHE:
-		WipeCache ();
-
-		Irp->IoStatus.Status = STATUS_SUCCESS;
-		Irp->IoStatus.Information = 0;
-		break;
-
-	case TC_IOCTL_GET_PASSWORD_CACHE_STATUS:
-		Irp->IoStatus.Status = cacheEmpty ? STATUS_PIPE_EMPTY : STATUS_SUCCESS;
-		Irp->IoStatus.Information = 0;
-		break;
-
-	case TC_IOCTL_SET_PORTABLE_MODE_STATUS:
-		if (!UserCanAccessDriveDevice())
-		{
-			Irp->IoStatus.Status = STATUS_ACCESS_DENIED;
-			Irp->IoStatus.Information = 0;
-		}
-		else
-		{
-			PortableMode = TRUE;
-			Dump ("Setting portable mode\n");
-		}
-		break;
-
-	case TC_IOCTL_GET_PORTABLE_MODE_STATUS:
-		Irp->IoStatus.Status = PortableMode ? STATUS_SUCCESS : STATUS_PIPE_EMPTY;
-		Irp->IoStatus.Information = 0;
-		break;
-
-	case TC_IOCTL_GET_MOUNTED_VOLUMES:
-
-		if (ValidateIOBufferSize (Irp, sizeof (MOUNT_LIST_STRUCT), ValidateOutput))
-		{
-			MOUNT_LIST_STRUCT *list = (MOUNT_LIST_STRUCT *) Irp->AssociatedIrp.SystemBuffer;
-			PDEVICE_OBJECT ListDevice;
-			int drive;
-
-			list->ulMountedDrives = 0;
-
-			for (drive = MIN_MOUNTED_VOLUME_DRIVE_NUMBER; drive <= MAX_MOUNTED_VOLUME_DRIVE_NUMBER; ++drive)
-			{
-				PEXTENSION ListExtension;
-				
-				ListDevice = GetVirtualVolumeDeviceObject (drive);
-				if (!ListDevice)
-					continue;
-
-				ListExtension = (PEXTENSION) ListDevice->DeviceExtension;
-				if (IsVolumeAccessibleByCurrentUser (ListExtension))
-				{
-					list->ulMountedDrives |= (1 << ListExtension->nDosDriveNo);
-					RtlStringCbCopyW (list->wszVolume[ListExtension->nDosDriveNo], sizeof(list->wszVolume[ListExtension->nDosDriveNo]),ListExtension->wszVolume);
-					RtlStringCbCopyW (list->wszLabel[ListExtension->nDosDriveNo], sizeof(list->wszLabel[ListExtension->nDosDriveNo]),ListExtension->wszLabel);
-					memcpy (list->volumeID[ListExtension->nDosDriveNo], ListExtension->volumeID, VOLUME_ID_SIZE);
-					list->diskLength[ListExtension->nDosDriveNo] = ListExtension->DiskLength;
-					list->ea[ListExtension->nDosDriveNo] = ListExtension->cryptoInfo->ea;
-					if (ListExtension->cryptoInfo->hiddenVolume)
-						list->volumeType[ListExtension->nDosDriveNo] = PROP_VOL_TYPE_HIDDEN;	// Hidden volume
-					else if (ListExtension->cryptoInfo->bHiddenVolProtectionAction)
-						list->volumeType[ListExtension->nDosDriveNo] = PROP_VOL_TYPE_OUTER_VOL_WRITE_PREVENTED;	// Normal/outer volume (hidden volume protected AND write already prevented)
-					else if (ListExtension->cryptoInfo->bProtectHiddenVolume)
-						list->volumeType[ListExtension->nDosDriveNo] = PROP_VOL_TYPE_OUTER;	// Normal/outer volume (hidden volume protected)
-					else
-						list->volumeType[ListExtension->nDosDriveNo] = PROP_VOL_TYPE_NORMAL;	// Normal volume
-					list->truecryptMode[ListExtension->nDosDriveNo] = ListExtension->cryptoInfo->bTrueCryptMode;
-				}
-			}
-
-			Irp->IoStatus.Status = STATUS_SUCCESS;
-			Irp->IoStatus.Information = sizeof (MOUNT_LIST_STRUCT);
-		}
-		break;
-
-	case TC_IOCTL_LEGACY_GET_MOUNTED_VOLUMES:
-		if (ValidateIOBufferSize (Irp, sizeof (uint32), ValidateOutput))
-		{
-			// Prevent the user from downgrading to versions lower than 5.0 by faking mounted volumes.
-			// The user could render the system unbootable by downgrading when boot encryption
-			// is active or being set up.
-
-			memset (Irp->AssociatedIrp.SystemBuffer, 0, irpSp->Parameters.DeviceIoControl.OutputBufferLength);
-			*(uint32 *) Irp->AssociatedIrp.SystemBuffer = 0xffffFFFF;
-
-			Irp->IoStatus.Status = STATUS_SUCCESS;
-			Irp->IoStatus.Information = irpSp->Parameters.DeviceIoControl.OutputBufferLength;
-		}
-		break;
-
-	case TC_IOCTL_GET_VOLUME_PROPERTIES:
-		if (ValidateIOBufferSize (Irp, sizeof (VOLUME_PROPERTIES_STRUCT), ValidateInputOutput))
-		{
-			VOLUME_PROPERTIES_STRUCT *prop = (VOLUME_PROPERTIES_STRUCT *) Irp->AssociatedIrp.SystemBuffer;
-			PDEVICE_OBJECT ListDevice = GetVirtualVolumeDeviceObject (prop->driveNo);
-
-			Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
-			Irp->IoStatus.Information = 0;
-
-			if (ListDevice)
-			{
-				PEXTENSION ListExtension = (PEXTENSION) ListDevice->DeviceExtension;
-				if (IsVolumeAccessibleByCurrentUser (ListExtension))
-				{
-					prop->uniqueId = ListExtension->UniqueVolumeId;
-					RtlStringCbCopyW (prop->wszVolume, sizeof(prop->wszVolume),ListExtension->wszVolume);
-					RtlStringCbCopyW (prop->wszLabel, sizeof(prop->wszLabel),ListExtension->wszLabel);
-					memcpy (prop->volumeID, ListExtension->volumeID, VOLUME_ID_SIZE);
-					prop->bDriverSetLabel = ListExtension->bDriverSetLabel;
-					prop->diskLength = ListExtension->DiskLength;
-					prop->ea = ListExtension->cryptoInfo->ea;
-					prop->mode = ListExtension->cryptoInfo->mode;
-					prop->pkcs5 = ListExtension->cryptoInfo->pkcs5;
-					prop->pkcs5Iterations = ListExtension->cryptoInfo->noIterations;
-					prop->volumePim = ListExtension->cryptoInfo->volumePim;
-#if 0
-					prop->volumeCreationTime = ListExtension->cryptoInfo->volume_creation_time;
-					prop->headerCreationTime = ListExtension->cryptoInfo->header_creation_time;
-#endif
-					prop->volumeHeaderFlags = ListExtension->cryptoInfo->HeaderFlags;
-					prop->readOnly = ListExtension->bReadOnly;
-					prop->removable = ListExtension->bRemovable;
-					prop->partitionInInactiveSysEncScope = ListExtension->PartitionInInactiveSysEncScope;
-					prop->hiddenVolume = ListExtension->cryptoInfo->hiddenVolume;
-
-					if (ListExtension->cryptoInfo->bProtectHiddenVolume)
-						prop->hiddenVolProtection = ListExtension->cryptoInfo->bHiddenVolProtectionAction ? HIDVOL_PROT_STATUS_ACTION_TAKEN : HIDVOL_PROT_STATUS_ACTIVE;
-					else
-						prop->hiddenVolProtection = HIDVOL_PROT_STATUS_NONE;
-
-					prop->totalBytesRead = ListExtension->Queue.TotalBytesRead;
-					prop->totalBytesWritten = ListExtension->Queue.TotalBytesWritten;
-
-					prop->volFormatVersion = ListExtension->cryptoInfo->LegacyVolume ? TC_VOLUME_FORMAT_VERSION_PRE_6_0 : TC_VOLUME_FORMAT_VERSION;
-
-					Irp->IoStatus.Status = STATUS_SUCCESS;
-					Irp->IoStatus.Information = sizeof (VOLUME_PROPERTIES_STRUCT);
-				}
-			}
-		}
-		break;
-
-	case TC_IOCTL_GET_RESOLVED_SYMLINK:
-		if (ValidateIOBufferSize (Irp, sizeof (RESOLVE_SYMLINK_STRUCT), ValidateInputOutput))
-		{
-			RESOLVE_SYMLINK_STRUCT *resolve = (RESOLVE_SYMLINK_STRUCT *) Irp->AssociatedIrp.SystemBuffer;
-			{
-				NTSTATUS ntStatus;
-
-				EnsureNullTerminatedString (resolve->symLinkName, sizeof (resolve->symLinkName));
-
-				ntStatus = SymbolicLinkToTarget (resolve->symLinkName,
-					resolve->targetName,
-					sizeof (resolve->targetName));
-
-				Irp->IoStatus.Information = sizeof (RESOLVE_SYMLINK_STRUCT);
-				Irp->IoStatus.Status = ntStatus;
-			}
-		}
-		break;
-
-	case TC_IOCTL_GET_DRIVE_PARTITION_INFO:
-		if (ValidateIOBufferSize (Irp, sizeof (DISK_PARTITION_INFO_STRUCT), ValidateInputOutput))
-		{
-			DISK_PARTITION_INFO_STRUCT *info = (DISK_PARTITION_INFO_STRUCT *) Irp->AssociatedIrp.SystemBuffer;
-			{
-				PARTITION_INFORMATION_EX pi;
-				NTSTATUS ntStatus;
-
-				EnsureNullTerminatedString (info->deviceName, sizeof (info->deviceName));
-
-				ntStatus = TCDeviceIoControl (info->deviceName, IOCTL_DISK_GET_PARTITION_INFO_EX, NULL, 0, &pi, sizeof (pi));
-				if (NT_SUCCESS(ntStatus))
-				{
-					memset (&info->partInfo, 0, sizeof (info->partInfo));
-
-					info->partInfo.PartitionLength = pi.PartitionLength;
-					info->partInfo.PartitionNumber = pi.PartitionNumber;
-					info->partInfo.StartingOffset = pi.StartingOffset;
-
-					if (pi.PartitionStyle == PARTITION_STYLE_MBR)
-					{
-						info->partInfo.PartitionType = pi.Mbr.PartitionType;
-						info->partInfo.BootIndicator = pi.Mbr.BootIndicator;
-					}
-
-					info->IsGPT = pi.PartitionStyle == PARTITION_STYLE_GPT;
-				}
-				else
-				{
-					// Windows 2000 does not support IOCTL_DISK_GET_PARTITION_INFO_EX
-					ntStatus = TCDeviceIoControl (info->deviceName, IOCTL_DISK_GET_PARTITION_INFO, NULL, 0, &info->partInfo, sizeof (info->partInfo));
-					info->IsGPT = FALSE;
-				}
-
-				if (!NT_SUCCESS (ntStatus))
-				{
-					GET_LENGTH_INFORMATION lengthInfo;
-					ntStatus = TCDeviceIoControl (info->deviceName, IOCTL_DISK_GET_LENGTH_INFO, NULL, 0, &lengthInfo, sizeof (lengthInfo));
-
-					if (NT_SUCCESS (ntStatus))
-					{
-						memset (&info->partInfo, 0, sizeof (info->partInfo));
-						info->partInfo.PartitionLength = lengthInfo.Length;
-					}
-				}
-
-				info->IsDynamic = FALSE;
-
-				if (NT_SUCCESS (ntStatus) && OsMajorVersion >= 6)
-				{
-#					define IOCTL_VOLUME_IS_DYNAMIC CTL_CODE(IOCTL_VOLUME_BASE, 18, METHOD_BUFFERED, FILE_ANY_ACCESS)
-					if (!NT_SUCCESS (TCDeviceIoControl (info->deviceName, IOCTL_VOLUME_IS_DYNAMIC, NULL, 0, &info->IsDynamic, sizeof (info->IsDynamic))))
-						info->IsDynamic = FALSE;
-				}
-
-				Irp->IoStatus.Information = sizeof (DISK_PARTITION_INFO_STRUCT);
-				Irp->IoStatus.Status = ntStatus;
-			}
-		}
-		break;
-
-	case TC_IOCTL_GET_DRIVE_GEOMETRY:
-		if (ValidateIOBufferSize (Irp, sizeof (DISK_GEOMETRY_STRUCT), ValidateInputOutput))
-		{
-			DISK_GEOMETRY_STRUCT *g = (DISK_GEOMETRY_STRUCT *) Irp->AssociatedIrp.SystemBuffer;
-			{
-				NTSTATUS ntStatus;
-
-				EnsureNullTerminatedString (g->deviceName, sizeof (g->deviceName));
-
-				ntStatus = TCDeviceIoControl (g->deviceName,
-					IOCTL_DISK_GET_DRIVE_GEOMETRY,
-					NULL, 0, &g->diskGeometry, sizeof (g->diskGeometry));
-
-				Irp->IoStatus.Information = sizeof (DISK_GEOMETRY_STRUCT);
-				Irp->IoStatus.Status = ntStatus;
-			}
-		}
-		break;
-
-	case TC_IOCTL_PROBE_REAL_DRIVE_SIZE:
-		if (ValidateIOBufferSize (Irp, sizeof (ProbeRealDriveSizeRequest), ValidateInputOutput))
-		{
-			ProbeRealDriveSizeRequest *request = (ProbeRealDriveSizeRequest *) Irp->AssociatedIrp.SystemBuffer;
-			NTSTATUS status;
-			UNICODE_STRING name;
-			PFILE_OBJECT fileObject;
-			PDEVICE_OBJECT deviceObject;
-
-			EnsureNullTerminatedString (request->DeviceName, sizeof (request->DeviceName));
-
-			RtlInitUnicodeString (&name, request->DeviceName);
-			status = IoGetDeviceObjectPointer (&name, FILE_READ_ATTRIBUTES, &fileObject, &deviceObject);
-			if (!NT_SUCCESS (status))
-			{
-				Irp->IoStatus.Information = 0;
-				Irp->IoStatus.Status = status;
-				break;
-			}
-
-			status = ProbeRealDriveSize (deviceObject, &request->RealDriveSize);
-			ObDereferenceObject (fileObject);
-
-			if (status == STATUS_TIMEOUT)
-			{
-				request->TimeOut = TRUE;
-				Irp->IoStatus.Information = sizeof (ProbeRealDriveSizeRequest);
-				Irp->IoStatus.Status = STATUS_SUCCESS;
-			}
-			else if (!NT_SUCCESS (status))
-			{
-				Irp->IoStatus.Information = 0;
-				Irp->IoStatus.Status = status;
-			}
-			else
-			{
-				request->TimeOut = FALSE;
-				Irp->IoStatus.Information = sizeof (ProbeRealDriveSizeRequest);
-				Irp->IoStatus.Status = status;
-			}
-		}
-		break;
-
-	case TC_IOCTL_MOUNT_VOLUME:
-		if (ValidateIOBufferSize (Irp, sizeof (MOUNT_STRUCT), ValidateInputOutput))
-		{
-			MOUNT_STRUCT *mount = (MOUNT_STRUCT *) Irp->AssociatedIrp.SystemBuffer;
-
-			if (mount->VolumePassword.Length > MAX_PASSWORD || mount->ProtectedHidVolPassword.Length > MAX_PASSWORD
-				||	mount->pkcs5_prf < 0 || mount->pkcs5_prf > LAST_PRF_ID 
-				||	mount->VolumePim < -1 || mount->VolumePim == INT_MAX
-				|| mount->ProtectedHidVolPkcs5Prf < 0 || mount->ProtectedHidVolPkcs5Prf > LAST_PRF_ID 
-				|| (mount->bTrueCryptMode != FALSE && mount->bTrueCryptMode != TRUE)
-				)
-			{
-				Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
-				Irp->IoStatus.Information = 0;
-				break;
-			}
-
-			EnsureNullTerminatedString (mount->wszVolume, sizeof (mount->wszVolume));
-			EnsureNullTerminatedString (mount->wszLabel, sizeof (mount->wszLabel));
-
-			Irp->IoStatus.Information = sizeof (MOUNT_STRUCT);
-			Irp->IoStatus.Status = MountDevice (DeviceObject, mount);
-
-			burn (&mount->VolumePassword, sizeof (mount->VolumePassword));
-			burn (&mount->ProtectedHidVolPassword, sizeof (mount->ProtectedHidVolPassword));
-			burn (&mount->pkcs5_prf, sizeof (mount->pkcs5_prf));
-			burn (&mount->VolumePim, sizeof (mount->VolumePim));
-			burn (&mount->bTrueCryptMode, sizeof (mount->bTrueCryptMode));
-			burn (&mount->ProtectedHidVolPkcs5Prf, sizeof (mount->ProtectedHidVolPkcs5Prf));
-			burn (&mount->ProtectedHidVolPim, sizeof (mount->ProtectedHidVolPim));
-		}
-		break;
-
-	case TC_IOCTL_DISMOUNT_VOLUME:
-		if (ValidateIOBufferSize (Irp, sizeof (UNMOUNT_STRUCT), ValidateInputOutput))
-		{
-			UNMOUNT_STRUCT *unmount = (UNMOUNT_STRUCT *) Irp->AssociatedIrp.SystemBuffer;
-			PDEVICE_OBJECT ListDevice = GetVirtualVolumeDeviceObject (unmount->nDosDriveNo);
-
-			unmount->nReturnCode = ERR_DRIVE_NOT_FOUND;
-
-			if (ListDevice)
-			{
-				PEXTENSION ListExtension = (PEXTENSION) ListDevice->DeviceExtension;
-
-				if (IsVolumeAccessibleByCurrentUser (ListExtension))
-					unmount->nReturnCode = UnmountDevice (unmount, ListDevice, unmount->ignoreOpenFiles);
-			}
-
-			Irp->IoStatus.Information = sizeof (UNMOUNT_STRUCT);
-			Irp->IoStatus.Status = STATUS_SUCCESS;
-		}
-		break;
-
-	case TC_IOCTL_DISMOUNT_ALL_VOLUMES:
-		if (ValidateIOBufferSize (Irp, sizeof (UNMOUNT_STRUCT), ValidateInputOutput))
-		{
-			UNMOUNT_STRUCT *unmount = (UNMOUNT_STRUCT *) Irp->AssociatedIrp.SystemBuffer;
-
-			unmount->nReturnCode = UnmountAllDevices (unmount, unmount->ignoreOpenFiles);
-
-			Irp->IoStatus.Information = sizeof (UNMOUNT_STRUCT);
-			Irp->IoStatus.Status = STATUS_SUCCESS;
-		}
-		break;
-
-	case TC_IOCTL_BOOT_ENCRYPTION_SETUP:
-		Irp->IoStatus.Status = StartBootEncryptionSetup (DeviceObject, Irp, irpSp);
-		Irp->IoStatus.Information = 0;
-		break;
-
-	case TC_IOCTL_ABORT_BOOT_ENCRYPTION_SETUP:
-		Irp->IoStatus.Status = AbortBootEncryptionSetup();
-		Irp->IoStatus.Information = 0;
-		break;
-
-	case TC_IOCTL_GET_BOOT_ENCRYPTION_STATUS:
-		GetBootEncryptionStatus (Irp, irpSp);
-		break;
-
-	case TC_IOCTL_GET_BOOT_ENCRYPTION_SETUP_RESULT:
-		Irp->IoStatus.Information = 0;
-		Irp->IoStatus.Status = GetSetupResult();
-		break;
-
-	case TC_IOCTL_GET_BOOT_DRIVE_VOLUME_PROPERTIES:
-		GetBootDriveVolumeProperties (Irp, irpSp);
-		break;
-
-	case TC_IOCTL_GET_BOOT_LOADER_VERSION:
-		GetBootLoaderVersion (Irp, irpSp);
-		break;
-
-	case TC_IOCTL_REOPEN_BOOT_VOLUME_HEADER:
-		ReopenBootVolumeHeader (Irp, irpSp);
-		break;
-
-	case VC_IOCTL_GET_BOOT_LOADER_FINGERPRINT:
-		GetBootLoaderFingerprint (Irp, irpSp);
-		break;
-
-	case TC_IOCTL_GET_BOOT_ENCRYPTION_ALGORITHM_NAME:
-		GetBootEncryptionAlgorithmName (Irp, irpSp);
-		break;
-
-	case TC_IOCTL_IS_HIDDEN_SYSTEM_RUNNING:
-		if (ValidateIOBufferSize (Irp, sizeof (int), ValidateOutput))
-		{
-			*(int *) Irp->AssociatedIrp.SystemBuffer = IsHiddenSystemRunning() ? 1 : 0;
-			Irp->IoStatus.Information = sizeof (int);
-			Irp->IoStatus.Status = STATUS_SUCCESS;
-		}
-		break;
-
-	case TC_IOCTL_START_DECOY_SYSTEM_WIPE:
-		Irp->IoStatus.Status = StartDecoySystemWipe (DeviceObject, Irp, irpSp);
-		Irp->IoStatus.Information = 0;
-		break;
-
-	case TC_IOCTL_ABORT_DECOY_SYSTEM_WIPE:
-		Irp->IoStatus.Status = AbortDecoySystemWipe();
-		Irp->IoStatus.Information = 0;
-		break;
-
-	case TC_IOCTL_GET_DECOY_SYSTEM_WIPE_RESULT:
-		Irp->IoStatus.Status = GetDecoySystemWipeResult();
-		Irp->IoStatus.Information = 0;
-		break;
-
-	case TC_IOCTL_GET_DECOY_SYSTEM_WIPE_STATUS:
-		GetDecoySystemWipeStatus (Irp, irpSp);
-		break;
-
-	case TC_IOCTL_WRITE_BOOT_DRIVE_SECTOR:
-		Irp->IoStatus.Status = WriteBootDriveSector (Irp, irpSp);
-		Irp->IoStatus.Information = 0;
-		break;
-
-	case TC_IOCTL_GET_WARNING_FLAGS:
-		if (ValidateIOBufferSize (Irp, sizeof (GetWarningFlagsRequest), ValidateOutput))
-		{
-			GetWarningFlagsRequest *flags = (GetWarningFlagsRequest *) Irp->AssociatedIrp.SystemBuffer;
-
-			flags->PagingFileCreationPrevented = PagingFileCreationPrevented;
-			PagingFileCreationPrevented = FALSE;
-			flags->SystemFavoriteVolumeDirty = SystemFavoriteVolumeDirty;
-			SystemFavoriteVolumeDirty = FALSE;
-
-			Irp->IoStatus.Information = sizeof (GetWarningFlagsRequest);
-			Irp->IoStatus.Status = STATUS_SUCCESS;
-		}
-		break;
-
-	case TC_IOCTL_SET_SYSTEM_FAVORITE_VOLUME_DIRTY:
-		if (UserCanAccessDriveDevice())
-		{
-			SystemFavoriteVolumeDirty = TRUE;
-			Irp->IoStatus.Status = STATUS_SUCCESS;
-		}
-		else
-			Irp->IoStatus.Status = STATUS_ACCESS_DENIED;
-
-		Irp->IoStatus.Information = 0;
-		break;
-
-	case TC_IOCTL_REREAD_DRIVER_CONFIG:
-		Irp->IoStatus.Status = ReadRegistryConfigFlags (FALSE);
-		Irp->IoStatus.Information = 0;
-		break;
-
-	case TC_IOCTL_GET_SYSTEM_DRIVE_DUMP_CONFIG:
-		if (	(ValidateIOBufferSize (Irp, sizeof (GetSystemDriveDumpConfigRequest), ValidateOutput))
-			&&	(Irp->RequestorMode == KernelMode)
-			)
-		{
-			GetSystemDriveDumpConfigRequest *request = (GetSystemDriveDumpConfigRequest *) Irp->AssociatedIrp.SystemBuffer;
-
-			request->BootDriveFilterExtension = GetBootDriveFilterExtension();
-			if (IsBootDriveMounted() && request->BootDriveFilterExtension)
-			{
-				request->HwEncryptionEnabled = IsHwEncryptionEnabled();
-				Irp->IoStatus.Status = STATUS_SUCCESS;
-				Irp->IoStatus.Information = sizeof (*request);
-			}
-			else
-			{
-				Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
-				Irp->IoStatus.Information = 0;
-			}
-		}
-		break;
-
-	default:
-		return TCCompleteIrp (Irp, STATUS_INVALID_DEVICE_REQUEST, 0);
-	}
-
-	
-#ifdef DEBUG
-	if (!NT_SUCCESS (Irp->IoStatus.Status))
-	{
-		switch (irpSp->Parameters.DeviceIoControl.IoControlCode)
-		{
-		case TC_IOCTL_GET_MOUNTED_VOLUMES:
-		case TC_IOCTL_GET_PASSWORD_CACHE_STATUS:
-		case TC_IOCTL_GET_PORTABLE_MODE_STATUS:
-		case TC_IOCTL_SET_PORTABLE_MODE_STATUS:
-		case TC_IOCTL_OPEN_TEST:
-		case TC_IOCTL_GET_RESOLVED_SYMLINK:
-		case TC_IOCTL_GET_DRIVE_PARTITION_INFO:
-		case TC_IOCTL_GET_BOOT_DRIVE_VOLUME_PROPERTIES:
-		case TC_IOCTL_GET_BOOT_ENCRYPTION_STATUS:
-		case TC_IOCTL_IS_HIDDEN_SYSTEM_RUNNING:
-			break;
-
-		default:
-			Dump ("IOCTL error 0x%08x\n", Irp->IoStatus.Status);
-		}
-	}
-#endif
-
-	return TCCompleteIrp (Irp, Irp->IoStatus.Status, Irp->IoStatus.Information);
-}
-
-
-NTSTATUS TCStartThread (PKSTART_ROUTINE threadProc, PVOID threadArg, PKTHREAD *kThread)
-{
-	return TCStartThreadInProcess (threadProc, threadArg, kThread, NULL);
-}
-
-
-NTSTATUS TCStartThreadInProcess (PKSTART_ROUTINE threadProc, PVOID threadArg, PKTHREAD *kThread, PEPROCESS process)
-{
-	NTSTATUS status;
-	HANDLE threadHandle;
-	HANDLE processHandle = NULL;
-	OBJECT_ATTRIBUTES threadObjAttributes;
-
-	if (process)
-	{
-		status = ObOpenObjectByPointer (process, OBJ_KERNEL_HANDLE, NULL, 0, NULL, KernelMode, &processHandle);
-		if (!NT_SUCCESS (status))
-			return status;
-	}
-
-	InitializeObjectAttributes (&threadObjAttributes, NULL, OBJ_KERNEL_HANDLE, NULL, NULL);
-	
-	status = PsCreateSystemThread (&threadHandle, THREAD_ALL_ACCESS, &threadObjAttributes, processHandle, NULL, threadProc, threadArg);
-	if (!NT_SUCCESS (status))
-		return status;
-
-	status = ObReferenceObjectByHandle (threadHandle, THREAD_ALL_ACCESS, NULL, KernelMode, (PVOID *) kThread, NULL);
-	if (!NT_SUCCESS (status))
-	{
-		ZwClose (threadHandle);
-		*kThread = NULL;
-		return status;
-	}
-
-	if (processHandle)
-		ZwClose (processHandle);
-
-	ZwClose (threadHandle);
-	return STATUS_SUCCESS;
-}
-
-
-void TCStopThread (PKTHREAD kThread, PKEVENT wakeUpEvent)
-{
-	if (wakeUpEvent)
-		KeSetEvent (wakeUpEvent, 0, FALSE);
-
-	KeWaitForSingleObject (kThread, Executive, KernelMode, FALSE, NULL);
-	ObDereferenceObject (kThread);
-}
-
-
-NTSTATUS TCStartVolumeThread (PDEVICE_OBJECT DeviceObject, PEXTENSION Extension, MOUNT_STRUCT * mount)
-{
-	PTHREAD_BLOCK pThreadBlock = TCalloc (sizeof (THREAD_BLOCK));
-	HANDLE hThread;
-	NTSTATUS ntStatus;
-	OBJECT_ATTRIBUTES threadObjAttributes;
-	SECURITY_QUALITY_OF_SERVICE qos;
-
-	Dump ("Starting thread...\n");
-
-	if (pThreadBlock == NULL)
-	{
-		return STATUS_INSUFFICIENT_RESOURCES;
-	}
-	else
-	{
-		pThreadBlock->DeviceObject = DeviceObject;
-		pThreadBlock->mount = mount;
-	}
-
-	qos.Length = sizeof (qos);
-	qos.ContextTrackingMode = SECURITY_STATIC_TRACKING;
-	qos.EffectiveOnly = TRUE;
-	qos.ImpersonationLevel = SecurityImpersonation;
-
-	ntStatus = SeCreateClientSecurity (PsGetCurrentThread(), &qos, FALSE, &Extension->SecurityClientContext);
-	if (!NT_SUCCESS (ntStatus))
-		goto ret;
-
-	Extension->SecurityClientContextValid = TRUE;
-
-	Extension->bThreadShouldQuit = FALSE;
-
-	InitializeObjectAttributes (&threadObjAttributes, NULL, OBJ_KERNEL_HANDLE, NULL, NULL);
-
-	ntStatus = PsCreateSystemThread (&hThread,
-					 THREAD_ALL_ACCESS,
-					 &threadObjAttributes,
-					 NULL,
-					 NULL,
-					 VolumeThreadProc,
-					 pThreadBlock);
-
-	if (!NT_SUCCESS (ntStatus))
-	{
-		Dump ("PsCreateSystemThread Failed END\n");
-		goto ret;
-	}
-
-	ntStatus = ObReferenceObjectByHandle (hThread,
-				   THREAD_ALL_ACCESS,
-				   NULL,
-				   KernelMode,
-				   &Extension->peThread,
-				   NULL);
-
-	ZwClose (hThread);
-
-	if (!NT_SUCCESS (ntStatus))
-		goto ret;
-
-	Dump ("Waiting for thread to initialize...\n");
-
-	KeWaitForSingleObject (&Extension->keCreateEvent,
-			       Executive,
-			       KernelMode,
-			       FALSE,
-			       NULL);
-
-	Dump ("Waiting completed! Thread returns 0x%08x\n", pThreadBlock->ntCreateStatus);
-	ntStatus = pThreadBlock->ntCreateStatus;
-
-ret:
-	TCfree (pThreadBlock);
-	return ntStatus;
-}
-
-void TCStopVolumeThread (PDEVICE_OBJECT DeviceObject, PEXTENSION Extension)
-{
-	NTSTATUS ntStatus;
-
-	UNREFERENCED_PARAMETER (DeviceObject);	/* Remove compiler warning */
-
-	Dump ("Signalling thread to quit...\n");
-
-	Extension->bThreadShouldQuit = TRUE;
-
-	KeReleaseSemaphore (&Extension->RequestSemaphore,
-			    0,
-			    1,
-			    TRUE);
-
-	ntStatus = KeWaitForSingleObject (Extension->peThread,
-					  Executive,
-					  KernelMode,
-					  FALSE,
-					  NULL);
-
-	ASSERT (NT_SUCCESS (ntStatus));
-
-	ObDereferenceObject (Extension->peThread);
-	Extension->peThread = NULL;
-
-	Dump ("Thread exited\n");
-}
-
-
-// Suspend current thread for a number of milliseconds
-void TCSleep (int milliSeconds)
-{
-	PKTIMER timer = (PKTIMER) TCalloc (sizeof (KTIMER));
-	LARGE_INTEGER duetime;
-
-	if (!timer)
-		return;
-
-	duetime.QuadPart = (__int64) milliSeconds * -10000;
-	KeInitializeTimerEx(timer, NotificationTimer);
-	KeSetTimerEx(timer, duetime, 0, NULL);
-
-	KeWaitForSingleObject (timer, Executive, KernelMode, FALSE, NULL);
-
-	TCfree (timer);
-}
-
-BOOL IsDeviceName(wchar_t wszVolume[TC_MAX_PATH])
-{
-	if	(	(wszVolume[0] == '\\')
-		&&	(wszVolume[1] == 'D' || wszVolume[1] == 'd')
-		&&	(wszVolume[2] == 'E' || wszVolume[2] == 'e')
-		&&	(wszVolume[3] == 'V' || wszVolume[3] == 'v')
-		&&	(wszVolume[4] == 'I' || wszVolume[4] == 'i')
-		&&	(wszVolume[5] == 'C' || wszVolume[5] == 'c')
-		&&	(wszVolume[6] == 'E' || wszVolume[6] == 'e')
-		)
-	{
-		return TRUE;
-	}
-	else
-		return FALSE;
-}
-
-/* VolumeThreadProc does all the work of processing IRP's, and dispatching them
-   to either the ReadWrite function or the DeviceControl function */
-VOID VolumeThreadProc (PVOID Context)
-{
-	PTHREAD_BLOCK pThreadBlock = (PTHREAD_BLOCK) Context;
-	PDEVICE_OBJECT DeviceObject = pThreadBlock->DeviceObject;
-	PEXTENSION Extension = (PEXTENSION) DeviceObject->DeviceExtension;
-	BOOL bDevice;
-
-	/* Set thread priority to lowest realtime level. */
-	KeSetPriorityThread (KeGetCurrentThread (), LOW_REALTIME_PRIORITY);
-
-	Dump ("Mount THREAD OPENING VOLUME BEGIN\n");
-
-	if ( !IsDeviceName (pThreadBlock->mount->wszVolume))
-	{
-		RtlStringCbCopyW (pThreadBlock->wszMountVolume, sizeof(pThreadBlock->wszMountVolume),WIDE ("\\??\\"));
-		RtlStringCbCatW (pThreadBlock->wszMountVolume, sizeof(pThreadBlock->wszMountVolume),pThreadBlock->mount->wszVolume);
-		bDevice = FALSE;
-	}
-	else
-	{
-		pThreadBlock->wszMountVolume[0] = 0;
-		RtlStringCbCatW (pThreadBlock->wszMountVolume, sizeof(pThreadBlock->wszMountVolume),pThreadBlock->mount->wszVolume);
-		bDevice = TRUE;
-	}
-
-	Dump ("Mount THREAD request for File %ls DriveNumber %d Device = %d\n",
-	      pThreadBlock->wszMountVolume, pThreadBlock->mount->nDosDriveNo, bDevice);
-
-	pThreadBlock->ntCreateStatus = TCOpenVolume (DeviceObject,
-		Extension,
-		pThreadBlock->mount,
-		pThreadBlock->wszMountVolume,
-		bDevice);
-
-	if (!NT_SUCCESS (pThreadBlock->ntCreateStatus) || pThreadBlock->mount->nReturnCode != 0)
-	{
-		KeSetEvent (&Extension->keCreateEvent, 0, FALSE);
-		PsTerminateSystemThread (STATUS_SUCCESS);
-	}
-
-	// Start IO queue
-	Extension->Queue.IsFilterDevice = FALSE;
-	Extension->Queue.DeviceObject = DeviceObject;
-	Extension->Queue.CryptoInfo = Extension->cryptoInfo;
-	Extension->Queue.HostFileHandle = Extension->hDeviceFile;
-	Extension->Queue.VirtualDeviceLength = Extension->DiskLength;
-	Extension->Queue.MaxReadAheadOffset.QuadPart = Extension->HostLength;
-
-	if (Extension->SecurityClientContextValid)
-		Extension->Queue.SecurityClientContext = &Extension->SecurityClientContext;
-	else
-		Extension->Queue.SecurityClientContext = NULL;
-
-	pThreadBlock->ntCreateStatus = EncryptedIoQueueStart (&Extension->Queue);
-
-	if (!NT_SUCCESS (pThreadBlock->ntCreateStatus))
-	{
-		TCCloseVolume (DeviceObject, Extension);
-
-		pThreadBlock->mount->nReturnCode = ERR_OS_ERROR;
-		KeSetEvent (&Extension->keCreateEvent, 0, FALSE);
-		PsTerminateSystemThread (STATUS_SUCCESS);
-	}
-
-	KeSetEvent (&Extension->keCreateEvent, 0, FALSE);
-	/* From this point on pThreadBlock cannot be used as it will have been released! */
-	pThreadBlock = NULL;
-
-	for (;;)
-	{
-		/* Wait for a request from the dispatch routines. */
-		KeWaitForSingleObject ((PVOID) & Extension->RequestSemaphore, Executive, KernelMode, FALSE, NULL);
-
-		for (;;)
-		{
-			PIO_STACK_LOCATION irpSp;
-			PLIST_ENTRY request;
-			PIRP irp;
-
-			request = ExInterlockedRemoveHeadList (&Extension->ListEntry, &Extension->ListSpinLock);
-			if (request == NULL)
-				break;
-
-			irp = CONTAINING_RECORD (request, IRP, Tail.Overlay.ListEntry);
-			irpSp = IoGetCurrentIrpStackLocation (irp);
-
-			ASSERT (irpSp->MajorFunction == IRP_MJ_DEVICE_CONTROL);
-
-			ProcessVolumeDeviceControlIrp (DeviceObject, Extension, irp);
-			IoReleaseRemoveLock (&Extension->Queue.RemoveLock, irp);
-		}
-
-		if (Extension->bThreadShouldQuit)
-		{
-			Dump ("Closing volume\n");
-			EncryptedIoQueueStop (&Extension->Queue);
-
-			TCCloseVolume (DeviceObject, Extension);
-			PsTerminateSystemThread (STATUS_SUCCESS);
-		}
-	}
-}
-
-void TCGetNTNameFromNumber (LPWSTR ntname, int cbNtName, int nDriveNo)
-{
-	WCHAR tmp[2] =
-	{0, 0};
-	int j = nDriveNo + (WCHAR) 'A';
-
-	tmp[0] = (short) j;
-	RtlStringCbCopyW (ntname, cbNtName,(LPWSTR) NT_MOUNT_PREFIX);
-	RtlStringCbCatW (ntname, cbNtName, tmp);
-}
-
-void TCGetDosNameFromNumber (LPWSTR dosname,int cbDosName, int nDriveNo, DeviceNamespaceType namespaceType)
-{
-	WCHAR tmp[3] =
-	{0, ':', 0};
-	int j = nDriveNo + (WCHAR) 'A';
-
-	tmp[0] = (short) j;
-
-	if (DeviceNamespaceGlobal == namespaceType)
-	{
-		RtlStringCbCopyW (dosname, cbDosName, (LPWSTR) DOS_MOUNT_PREFIX_GLOBAL);
-	}
-	else
-	{
-		RtlStringCbCopyW (dosname, cbDosName, (LPWSTR) DOS_MOUNT_PREFIX_DEFAULT);
-	}
-
-	RtlStringCbCatW (dosname, cbDosName, tmp);
-}
-
-#ifdef _DEBUG
-LPWSTR TCTranslateCode (ULONG ulCode)
-{
-	switch (ulCode)
-	{
-#define TC_CASE_RET_NAME(CODE) case CODE : return L###CODE
-
-		TC_CASE_RET_NAME (TC_IOCTL_ABORT_BOOT_ENCRYPTION_SETUP);
-		TC_CASE_RET_NAME (TC_IOCTL_ABORT_DECOY_SYSTEM_WIPE);
-		TC_CASE_RET_NAME (TC_IOCTL_BOOT_ENCRYPTION_SETUP);
-		TC_CASE_RET_NAME (TC_IOCTL_DISMOUNT_ALL_VOLUMES);
-		TC_CASE_RET_NAME (TC_IOCTL_DISMOUNT_VOLUME);
-		TC_CASE_RET_NAME (TC_IOCTL_GET_BOOT_DRIVE_VOLUME_PROPERTIES);
-		TC_CASE_RET_NAME (TC_IOCTL_GET_BOOT_ENCRYPTION_ALGORITHM_NAME);
-		TC_CASE_RET_NAME (TC_IOCTL_GET_BOOT_ENCRYPTION_SETUP_RESULT);
-		TC_CASE_RET_NAME (TC_IOCTL_GET_BOOT_ENCRYPTION_STATUS);
-		TC_CASE_RET_NAME (TC_IOCTL_GET_BOOT_LOADER_VERSION);
-		TC_CASE_RET_NAME (TC_IOCTL_GET_DECOY_SYSTEM_WIPE_RESULT);
-		TC_CASE_RET_NAME (TC_IOCTL_GET_DECOY_SYSTEM_WIPE_STATUS);
-		TC_CASE_RET_NAME (TC_IOCTL_GET_DEVICE_REFCOUNT);
-		TC_CASE_RET_NAME (TC_IOCTL_GET_DRIVE_GEOMETRY);
-		TC_CASE_RET_NAME (TC_IOCTL_GET_DRIVE_PARTITION_INFO);
-		TC_CASE_RET_NAME (TC_IOCTL_GET_DRIVER_VERSION);
-		TC_CASE_RET_NAME (TC_IOCTL_GET_MOUNTED_VOLUMES);
-		TC_CASE_RET_NAME (TC_IOCTL_GET_PASSWORD_CACHE_STATUS);
-		TC_CASE_RET_NAME (TC_IOCTL_GET_SYSTEM_DRIVE_CONFIG);
-		TC_CASE_RET_NAME (TC_IOCTL_GET_PORTABLE_MODE_STATUS);
-		TC_CASE_RET_NAME (TC_IOCTL_SET_PORTABLE_MODE_STATUS);
-		TC_CASE_RET_NAME (TC_IOCTL_GET_RESOLVED_SYMLINK);
-		TC_CASE_RET_NAME (TC_IOCTL_GET_SYSTEM_DRIVE_DUMP_CONFIG);
-		TC_CASE_RET_NAME (TC_IOCTL_GET_VOLUME_PROPERTIES);
-		TC_CASE_RET_NAME (TC_IOCTL_GET_WARNING_FLAGS);
-		TC_CASE_RET_NAME (TC_IOCTL_DISK_IS_WRITABLE);
-		TC_CASE_RET_NAME (TC_IOCTL_IS_ANY_VOLUME_MOUNTED);
-		TC_CASE_RET_NAME (TC_IOCTL_IS_DRIVER_UNLOAD_DISABLED);
-		TC_CASE_RET_NAME (TC_IOCTL_IS_HIDDEN_SYSTEM_RUNNING);
-		TC_CASE_RET_NAME (TC_IOCTL_MOUNT_VOLUME);
-		TC_CASE_RET_NAME (TC_IOCTL_OPEN_TEST);
-		TC_CASE_RET_NAME (TC_IOCTL_PROBE_REAL_DRIVE_SIZE);
-		TC_CASE_RET_NAME (TC_IOCTL_REOPEN_BOOT_VOLUME_HEADER);
-		TC_CASE_RET_NAME (TC_IOCTL_REREAD_DRIVER_CONFIG);
-		TC_CASE_RET_NAME (TC_IOCTL_SET_SYSTEM_FAVORITE_VOLUME_DIRTY);
-		TC_CASE_RET_NAME (TC_IOCTL_START_DECOY_SYSTEM_WIPE);
-		TC_CASE_RET_NAME (TC_IOCTL_WIPE_PASSWORD_CACHE);
-		TC_CASE_RET_NAME (TC_IOCTL_WRITE_BOOT_DRIVE_SECTOR);
-
-		TC_CASE_RET_NAME (IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS);
-
-#undef TC_CASE_RET_NAME
-	}
-
-	if (ulCode ==			 IOCTL_DISK_GET_DRIVE_GEOMETRY)
-		return (LPWSTR) _T ("IOCTL_DISK_GET_DRIVE_GEOMETRY");
-	else if (ulCode ==		 IOCTL_DISK_GET_DRIVE_GEOMETRY_EX)
-		return (LPWSTR) _T ("IOCTL_DISK_GET_DRIVE_GEOMETRY_EX");
-	else if (ulCode ==		 IOCTL_MOUNTDEV_QUERY_DEVICE_NAME)
-		return (LPWSTR) _T ("IOCTL_MOUNTDEV_QUERY_DEVICE_NAME");
-	else if (ulCode ==		 IOCTL_MOUNTDEV_QUERY_SUGGESTED_LINK_NAME)
-		return (LPWSTR) _T ("IOCTL_MOUNTDEV_QUERY_SUGGESTED_LINK_NAME");
-	else if (ulCode ==		 IOCTL_MOUNTDEV_QUERY_UNIQUE_ID)
-		return (LPWSTR) _T ("IOCTL_MOUNTDEV_QUERY_UNIQUE_ID");
-	else if (ulCode ==		 IOCTL_VOLUME_ONLINE)
-		return (LPWSTR) _T ("IOCTL_VOLUME_ONLINE");
-	else if (ulCode ==		 IOCTL_MOUNTDEV_LINK_CREATED)
-		return (LPWSTR) _T ("IOCTL_MOUNTDEV_LINK_CREATED");
-	else if (ulCode ==		 IOCTL_MOUNTDEV_LINK_DELETED)
-		return (LPWSTR) _T ("IOCTL_MOUNTDEV_LINK_DELETED");
-	else if (ulCode ==		 IOCTL_MOUNTMGR_QUERY_POINTS)
-		return (LPWSTR) _T ("IOCTL_MOUNTMGR_QUERY_POINTS");
-	else if (ulCode ==		 IOCTL_MOUNTMGR_VOLUME_MOUNT_POINT_CREATED)
-		return (LPWSTR) _T ("IOCTL_MOUNTMGR_VOLUME_MOUNT_POINT_CREATED");
-	else if (ulCode ==		 IOCTL_MOUNTMGR_VOLUME_MOUNT_POINT_DELETED)
-		return (LPWSTR) _T ("IOCTL_MOUNTMGR_VOLUME_MOUNT_POINT_DELETED");
-	else if (ulCode ==		 IOCTL_DISK_GET_LENGTH_INFO)
-		return (LPWSTR) _T ("IOCTL_DISK_GET_LENGTH_INFO");
-	else if (ulCode ==		 IOCTL_STORAGE_GET_DEVICE_NUMBER)
-		return (LPWSTR) _T ("IOCTL_STORAGE_GET_DEVICE_NUMBER");
-	else if (ulCode ==		 IOCTL_DISK_GET_PARTITION_INFO)
-		return (LPWSTR) _T ("IOCTL_DISK_GET_PARTITION_INFO");
-	else if (ulCode ==		 IOCTL_DISK_GET_PARTITION_INFO_EX)
-		return (LPWSTR) _T ("IOCTL_DISK_GET_PARTITION_INFO_EX");
-	else if (ulCode ==		 IOCTL_DISK_SET_PARTITION_INFO)
-		return (LPWSTR) _T ("IOCTL_DISK_SET_PARTITION_INFO");
-	else if (ulCode ==		 IOCTL_DISK_GET_DRIVE_LAYOUT)
-		return (LPWSTR) _T ("IOCTL_DISK_GET_DRIVE_LAYOUT");
-	else if (ulCode ==		 IOCTL_DISK_SET_DRIVE_LAYOUT_EX)
-		return (LPWSTR) _T ("IOCTL_DISK_SET_DRIVE_LAYOUT_EX");
-	else if (ulCode ==		 IOCTL_DISK_VERIFY)
-		return (LPWSTR) _T ("IOCTL_DISK_VERIFY");
-	else if (ulCode == IOCTL_DISK_FORMAT_TRACKS)
-		return (LPWSTR) _T ("IOCTL_DISK_FORMAT_TRACKS");
-	else if (ulCode == IOCTL_DISK_REASSIGN_BLOCKS)
-		return (LPWSTR) _T ("IOCTL_DISK_REASSIGN_BLOCKS");
-	else if (ulCode == IOCTL_DISK_PERFORMANCE)
-		return (LPWSTR) _T ("IOCTL_DISK_PERFORMANCE");
-	else if (ulCode == IOCTL_DISK_IS_WRITABLE)
-		return (LPWSTR) _T ("IOCTL_DISK_IS_WRITABLE");
-	else if (ulCode == IOCTL_DISK_LOGGING)
-		return (LPWSTR) _T ("IOCTL_DISK_LOGGING");
-	else if (ulCode == IOCTL_DISK_FORMAT_TRACKS_EX)
-		return (LPWSTR) _T ("IOCTL_DISK_FORMAT_TRACKS_EX");
-	else if (ulCode == IOCTL_DISK_HISTOGRAM_STRUCTURE)
-		return (LPWSTR) _T ("IOCTL_DISK_HISTOGRAM_STRUCTURE");
-	else if (ulCode == IOCTL_DISK_HISTOGRAM_DATA)
-		return (LPWSTR) _T ("IOCTL_DISK_HISTOGRAM_DATA");
-	else if (ulCode == IOCTL_DISK_HISTOGRAM_RESET)
-		return (LPWSTR) _T ("IOCTL_DISK_HISTOGRAM_RESET");
-	else if (ulCode == IOCTL_DISK_REQUEST_STRUCTURE)
-		return (LPWSTR) _T ("IOCTL_DISK_REQUEST_STRUCTURE");
-	else if (ulCode == IOCTL_DISK_REQUEST_DATA)
-		return (LPWSTR) _T ("IOCTL_DISK_REQUEST_DATA");
-	else if (ulCode == IOCTL_DISK_CONTROLLER_NUMBER)
-		return (LPWSTR) _T ("IOCTL_DISK_CONTROLLER_NUMBER");
-	else if (ulCode == SMART_GET_VERSION)
-		return (LPWSTR) _T ("SMART_GET_VERSION");
-	else if (ulCode == SMART_SEND_DRIVE_COMMAND)
-		return (LPWSTR) _T ("SMART_SEND_DRIVE_COMMAND");
-	else if (ulCode == SMART_RCV_DRIVE_DATA)
-		return (LPWSTR) _T ("SMART_RCV_DRIVE_DATA");
-	else if (ulCode == IOCTL_DISK_INTERNAL_SET_VERIFY)
-		return (LPWSTR) _T ("IOCTL_DISK_INTERNAL_SET_VERIFY");
-	else if (ulCode == IOCTL_DISK_INTERNAL_CLEAR_VERIFY)
-		return (LPWSTR) _T ("IOCTL_DISK_INTERNAL_CLEAR_VERIFY");
-	else if (ulCode == IOCTL_DISK_CHECK_VERIFY)
-		return (LPWSTR) _T ("IOCTL_DISK_CHECK_VERIFY");
-	else if (ulCode == IOCTL_DISK_MEDIA_REMOVAL)
-		return (LPWSTR) _T ("IOCTL_DISK_MEDIA_REMOVAL");
-	else if (ulCode == IOCTL_DISK_EJECT_MEDIA)
-		return (LPWSTR) _T ("IOCTL_DISK_EJECT_MEDIA");
-	else if (ulCode == IOCTL_DISK_LOAD_MEDIA)
-		return (LPWSTR) _T ("IOCTL_DISK_LOAD_MEDIA");
-	else if (ulCode == IOCTL_DISK_RESERVE)
-		return (LPWSTR) _T ("IOCTL_DISK_RESERVE");
-	else if (ulCode == IOCTL_DISK_RELEASE)
-		return (LPWSTR) _T ("IOCTL_DISK_RELEASE");
-	else if (ulCode == IOCTL_DISK_FIND_NEW_DEVICES)
-		return (LPWSTR) _T ("IOCTL_DISK_FIND_NEW_DEVICES");
-	else if (ulCode == IOCTL_DISK_GET_MEDIA_TYPES)
-		return (LPWSTR) _T ("IOCTL_DISK_GET_MEDIA_TYPES");
-	else if (ulCode == IOCTL_STORAGE_SET_HOTPLUG_INFO)
-		return (LPWSTR) _T ("IOCTL_STORAGE_SET_HOTPLUG_INFO");
-	else if (ulCode == IRP_MJ_READ)
-		return (LPWSTR) _T ("IRP_MJ_READ");
-	else if (ulCode == IRP_MJ_WRITE)
-		return (LPWSTR) _T ("IRP_MJ_WRITE");
-	else if (ulCode == IRP_MJ_CREATE)
-		return (LPWSTR) _T ("IRP_MJ_CREATE");
-	else if (ulCode == IRP_MJ_CLOSE)
-		return (LPWSTR) _T ("IRP_MJ_CLOSE");
-	else if (ulCode == IRP_MJ_CLEANUP)
-		return (LPWSTR) _T ("IRP_MJ_CLEANUP");
-	else if (ulCode == IRP_MJ_FLUSH_BUFFERS)
-		return (LPWSTR) _T ("IRP_MJ_FLUSH_BUFFERS");
-	else if (ulCode == IRP_MJ_SHUTDOWN)
-		return (LPWSTR) _T ("IRP_MJ_SHUTDOWN");
-	else if (ulCode == IRP_MJ_DEVICE_CONTROL)
-		return (LPWSTR) _T ("IRP_MJ_DEVICE_CONTROL");
-	else
-	{
-		return (LPWSTR) _T ("IOCTL");
-	}
-}
-
-#endif
-
-void TCDeleteDeviceObject (PDEVICE_OBJECT DeviceObject, PEXTENSION Extension)
-{
-	UNICODE_STRING Win32NameString;
-	NTSTATUS ntStatus;
-
-	Dump ("TCDeleteDeviceObject BEGIN\n");
-
-	if (Extension->bRootDevice)
-	{
-		RtlInitUnicodeString (&Win32NameString, (LPWSTR) DOS_ROOT_PREFIX);
-		ntStatus = IoDeleteSymbolicLink (&Win32NameString);
-		if (!NT_SUCCESS (ntStatus))
-			Dump ("IoDeleteSymbolicLink failed ntStatus = 0x%08x\n", ntStatus);
-
-		RootDeviceObject = NULL;
-	}
-	else
-	{
-		if (Extension->peThread != NULL)
-			TCStopVolumeThread (DeviceObject, Extension);
-
-		if (Extension->UserSid)
-			TCfree (Extension->UserSid);
-
-		if (Extension->SecurityClientContextValid)
-		{
-			if (OsMajorVersion == 5 && OsMinorVersion == 0)
-			{
-				ObDereferenceObject (Extension->SecurityClientContext.ClientToken);
-			}
-			else
-			{
-				// Windows 2000 does not support PsDereferenceImpersonationToken() used by SeDeleteClientSecurity().
-				// TODO: Use only SeDeleteClientSecurity() once support for Windows 2000 is dropped.
-
-				VOID (*PsDereferenceImpersonationTokenD) (PACCESS_TOKEN ImpersonationToken);
-				UNICODE_STRING name;
-				RtlInitUnicodeString (&name, L"PsDereferenceImpersonationToken");
-
-				PsDereferenceImpersonationTokenD = MmGetSystemRoutineAddress (&name);
-				if (!PsDereferenceImpersonationTokenD)
-					TC_BUG_CHECK (STATUS_NOT_IMPLEMENTED);
-				
-#				define PsDereferencePrimaryToken
-#				define PsDereferenceImpersonationToken PsDereferenceImpersonationTokenD
-
-				SeDeleteClientSecurity (&Extension->SecurityClientContext);
-
-#				undef PsDereferencePrimaryToken
-#				undef PsDereferenceImpersonationToken
-			}
-		}
-
-		VirtualVolumeDeviceObjects[Extension->nDosDriveNo] = NULL;
-	}
-
-	IoDeleteDevice (DeviceObject);
-
-	Dump ("TCDeleteDeviceObject END\n");
-}
-
-
-VOID TCUnloadDriver (PDRIVER_OBJECT DriverObject)
-{
-	Dump ("TCUnloadDriver BEGIN\n");
-
-	OnShutdownPending();
-
-	if (IsBootDriveMounted())
-		TC_BUG_CHECK (STATUS_INVALID_DEVICE_STATE);
-
-	EncryptionThreadPoolStop();
-	TCDeleteDeviceObject (RootDeviceObject, (PEXTENSION) RootDeviceObject->DeviceExtension);
-
-	Dump ("TCUnloadDriver END\n");
-}
-
-
-void OnShutdownPending ()
-{
-	UNMOUNT_STRUCT unmount;
-	memset (&unmount, 0, sizeof (unmount));
-	unmount.ignoreOpenFiles = TRUE;
-
-	while (SendDeviceIoControlRequest (RootDeviceObject, TC_IOCTL_DISMOUNT_ALL_VOLUMES, &unmount, sizeof (unmount), &unmount, sizeof (unmount)) == STATUS_INSUFFICIENT_RESOURCES || unmount.HiddenVolumeProtectionTriggered)
-		unmount.HiddenVolumeProtectionTriggered = FALSE;
-
-	while (SendDeviceIoControlRequest (RootDeviceObject, TC_IOCTL_WIPE_PASSWORD_CACHE, NULL, 0, NULL, 0) == STATUS_INSUFFICIENT_RESOURCES);
-}
-
-
-NTSTATUS TCDeviceIoControl (PWSTR deviceName, ULONG IoControlCode, void *InputBuffer, ULONG InputBufferSize, void *OutputBuffer, ULONG OutputBufferSize)
-{
-	IO_STATUS_BLOCK ioStatusBlock;
-	NTSTATUS ntStatus;
-	PIRP irp;
-	PFILE_OBJECT fileObject;
-	PDEVICE_OBJECT deviceObject;
-	KEVENT event;
-	UNICODE_STRING name;
-
-	RtlInitUnicodeString(&name, deviceName);
-	ntStatus = IoGetDeviceObjectPointer (&name, FILE_READ_ATTRIBUTES, &fileObject, &deviceObject);
-
-	if (!NT_SUCCESS (ntStatus))
-		return ntStatus;
-
-	KeInitializeEvent(&event, NotificationEvent, FALSE);
-
-	irp = IoBuildDeviceIoControlRequest (IoControlCode,
-					     deviceObject,
-					     InputBuffer, InputBufferSize,
-					     OutputBuffer, OutputBufferSize,
-					     FALSE,
-					     &event,
-					     &ioStatusBlock);
-
-	if (irp == NULL)
-	{
-		Dump ("IRP allocation failed\n");
-		ntStatus = STATUS_INSUFFICIENT_RESOURCES;
-		goto ret;
-	}
-
-	IoGetNextIrpStackLocation (irp)->FileObject = fileObject;
-
-	ntStatus = IoCallDriver (deviceObject, irp);
-	if (ntStatus == STATUS_PENDING)
-	{
-		KeWaitForSingleObject (&event, Executive, KernelMode, FALSE, NULL);
-		ntStatus = ioStatusBlock.Status;
-	}
-
-ret:
-	ObDereferenceObject (fileObject);
-	return ntStatus;
-}
-
-
-typedef struct
-{
-	PDEVICE_OBJECT deviceObject; ULONG ioControlCode; void *inputBuffer; int inputBufferSize; void *outputBuffer; int outputBufferSize;
-	NTSTATUS Status;
-	KEVENT WorkItemCompletedEvent;
-} SendDeviceIoControlRequestWorkItemArgs;
-
-
-static VOID SendDeviceIoControlRequestWorkItemRoutine (PDEVICE_OBJECT rootDeviceObject, SendDeviceIoControlRequestWorkItemArgs *arg)
-{
-	arg->Status = SendDeviceIoControlRequest (arg->deviceObject, arg->ioControlCode, arg->inputBuffer, arg->inputBufferSize, arg->outputBuffer, arg->outputBufferSize);
-	KeSetEvent (&arg->WorkItemCompletedEvent, IO_NO_INCREMENT, FALSE);
-}
-
-
-NTSTATUS SendDeviceIoControlRequest (PDEVICE_OBJECT deviceObject, ULONG ioControlCode, void *inputBuffer, int inputBufferSize, void *outputBuffer, int outputBufferSize)
-{
-	IO_STATUS_BLOCK ioStatusBlock;
-	NTSTATUS status;
-	PIRP irp;
-	KEVENT event;
-
-	if (KeGetCurrentIrql() > APC_LEVEL)
-	{
-		SendDeviceIoControlRequestWorkItemArgs args;
-
-		PIO_WORKITEM workItem = IoAllocateWorkItem (RootDeviceObject);
-		if (!workItem)
-			return STATUS_INSUFFICIENT_RESOURCES;
-
-		args.deviceObject = deviceObject;
-		args.ioControlCode = ioControlCode;
-		args.inputBuffer = inputBuffer;
-		args.inputBufferSize = inputBufferSize;
-		args.outputBuffer = outputBuffer;
-		args.outputBufferSize = outputBufferSize;
-
-		KeInitializeEvent (&args.WorkItemCompletedEvent, SynchronizationEvent, FALSE);
-		IoQueueWorkItem (workItem, SendDeviceIoControlRequestWorkItemRoutine, DelayedWorkQueue, &args); 
-
-		KeWaitForSingleObject (&args.WorkItemCompletedEvent, Executive, KernelMode, FALSE, NULL);
-		IoFreeWorkItem (workItem);
- 
-		return args.Status;
-	}
-
-	KeInitializeEvent (&event, NotificationEvent, FALSE);
-
-	irp = IoBuildDeviceIoControlRequest (ioControlCode, deviceObject, inputBuffer, inputBufferSize,
-		outputBuffer, outputBufferSize, FALSE, &event, &ioStatusBlock);
-
-	if (!irp)
-		return STATUS_INSUFFICIENT_RESOURCES;
-
-	ObReferenceObject (deviceObject);
-
-	status = IoCallDriver (deviceObject, irp);
-	if (status == STATUS_PENDING)
-	{
-		KeWaitForSingleObject (&event, Executive, KernelMode, FALSE, NULL);
-		status = ioStatusBlock.Status;
-	}
-
-	ObDereferenceObject (deviceObject);
-	return status;
-}
-
-
-NTSTATUS ProbeRealDriveSize (PDEVICE_OBJECT driveDeviceObject, LARGE_INTEGER *driveSize)
-{
-	NTSTATUS status;
-	LARGE_INTEGER sysLength;
-	LARGE_INTEGER offset;
-	byte *sectorBuffer;
-	ULONGLONG startTime;
-
-	if (!UserCanAccessDriveDevice())
-		return STATUS_ACCESS_DENIED;
-
-	sectorBuffer = TCalloc (TC_SECTOR_SIZE_BIOS);
-	if (!sectorBuffer)
-		return STATUS_INSUFFICIENT_RESOURCES;
-
-	status = SendDeviceIoControlRequest (driveDeviceObject, IOCTL_DISK_GET_LENGTH_INFO,
-		NULL, 0, &sysLength, sizeof (sysLength));
-
-	if (!NT_SUCCESS (status))
-	{
-		Dump ("Failed to get drive size - error %x\n", status);
-		TCfree (sectorBuffer);
-		return status;
-	}
-
-	startTime = KeQueryInterruptTime ();
-	for (offset.QuadPart = sysLength.QuadPart; ; offset.QuadPart += TC_SECTOR_SIZE_BIOS)
-	{
-		status = TCReadDevice (driveDeviceObject, sectorBuffer, offset, TC_SECTOR_SIZE_BIOS);
-		
-		if (NT_SUCCESS (status))
-			status = TCWriteDevice (driveDeviceObject, sectorBuffer, offset, TC_SECTOR_SIZE_BIOS);
-
-		if (!NT_SUCCESS (status))
-		{
-			driveSize->QuadPart = offset.QuadPart;
-			Dump ("Real drive size = %I64d bytes (%I64d hidden)\n", driveSize->QuadPart, driveSize->QuadPart - sysLength.QuadPart);
-			TCfree (sectorBuffer);
-			return STATUS_SUCCESS;
-		}
-
-		if (KeQueryInterruptTime() - startTime > 3ULL * 60 * 1000 * 1000 * 10)
-		{
-			// Abort if probing for more than 3 minutes
-			driveSize->QuadPart = sysLength.QuadPart;
-			TCfree (sectorBuffer);
-			return STATUS_TIMEOUT;
-		}
-	}
-}
-
-
-NTSTATUS TCOpenFsVolume (PEXTENSION Extension, PHANDLE volumeHandle, PFILE_OBJECT * fileObject)
-{
-	NTSTATUS ntStatus;
-	OBJECT_ATTRIBUTES objectAttributes;
-	UNICODE_STRING fullFileName;
-	IO_STATUS_BLOCK ioStatus;
-	WCHAR volumeName[TC_MAX_PATH];
-
-	TCGetNTNameFromNumber (volumeName, sizeof(volumeName),Extension->nDosDriveNo);
-	RtlInitUnicodeString (&fullFileName, volumeName);
-	InitializeObjectAttributes (&objectAttributes, &fullFileName, OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE, NULL, NULL);
-
-	ntStatus = ZwCreateFile (volumeHandle,
-		SYNCHRONIZE | GENERIC_READ,
-		&objectAttributes,
-		&ioStatus,
-		NULL,
-		FILE_ATTRIBUTE_NORMAL,
-		FILE_SHARE_READ | FILE_SHARE_WRITE,
-		FILE_OPEN,
-		FILE_SYNCHRONOUS_IO_NONALERT,
-		NULL,
-		0);
-
-	Dump ("Volume %ls open NTSTATUS 0x%08x\n", volumeName, ntStatus);
-
-	if (!NT_SUCCESS (ntStatus))
-		return ntStatus;
-
-	ntStatus = ObReferenceObjectByHandle (*volumeHandle,
-		FILE_READ_DATA,
-		NULL,
-		KernelMode,
-		fileObject,
-		NULL);
-
-	if (!NT_SUCCESS (ntStatus))
-		ZwClose (*volumeHandle);
-
-	return ntStatus;
-}
-
-
-void TCCloseFsVolume (HANDLE volumeHandle, PFILE_OBJECT fileObject)
-{
-	ObDereferenceObject (fileObject);
-	ZwClose (volumeHandle);
-}
-
-
-static NTSTATUS TCReadWriteDevice (BOOL write, PDEVICE_OBJECT deviceObject, PVOID buffer, LARGE_INTEGER offset, ULONG length)
-{
-	NTSTATUS status;
-	IO_STATUS_BLOCK ioStatusBlock;
-	PIRP irp;
-	KEVENT completionEvent;
-
-	ASSERT (KeGetCurrentIrql() <= APC_LEVEL);
-
-	KeInitializeEvent (&completionEvent, NotificationEvent, FALSE);
-	irp = IoBuildSynchronousFsdRequest (write ? IRP_MJ_WRITE : IRP_MJ_READ, deviceObject, buffer, length, &offset, &completionEvent, &ioStatusBlock);
-	if (!irp)
-		return STATUS_INSUFFICIENT_RESOURCES;
-
-	ObReferenceObject (deviceObject);
-	status = IoCallDriver (deviceObject, irp);
-
-	if (status == STATUS_PENDING)
-	{
-		status = KeWaitForSingleObject (&completionEvent, Executive, KernelMode, FALSE, NULL);
-		if (NT_SUCCESS (status))
-			status = ioStatusBlock.Status;
-	}
-
-	ObDereferenceObject (deviceObject);
-	return status;
-}
-
-
-NTSTATUS TCReadDevice (PDEVICE_OBJECT deviceObject, PVOID buffer, LARGE_INTEGER offset, ULONG length)
-{
-	return TCReadWriteDevice (FALSE, deviceObject, buffer, offset, length);
-}
-
-
-NTSTATUS TCWriteDevice (PDEVICE_OBJECT deviceObject, PVOID buffer, LARGE_INTEGER offset, ULONG length)
-{
-	return TCReadWriteDevice (TRUE, deviceObject, buffer, offset, length);
-}
-
-
-NTSTATUS TCFsctlCall (PFILE_OBJECT fileObject, LONG IoControlCode,
-	void *InputBuffer, int InputBufferSize, void *OutputBuffer, int OutputBufferSize)
-{
-	IO_STATUS_BLOCK ioStatusBlock;
-	NTSTATUS ntStatus;
-	PIRP irp;
-	KEVENT event;
-	PIO_STACK_LOCATION stack;
-	PDEVICE_OBJECT deviceObject = IoGetRelatedDeviceObject (fileObject);
-
-	KeInitializeEvent(&event, NotificationEvent, FALSE);
-
-	irp = IoBuildDeviceIoControlRequest (IoControlCode,
-					     deviceObject,
-					     InputBuffer, InputBufferSize,
-					     OutputBuffer, OutputBufferSize,
-					     FALSE,
-					     &event,
-					     &ioStatusBlock);
-
-	if (irp == NULL)
-		return STATUS_INSUFFICIENT_RESOURCES;
-
-	stack = IoGetNextIrpStackLocation(irp);
-	
-	stack->MajorFunction = IRP_MJ_FILE_SYSTEM_CONTROL;
-	stack->MinorFunction = IRP_MN_USER_FS_REQUEST;
-	stack->FileObject = fileObject;
-
-	ntStatus = IoCallDriver (deviceObject, irp);
-	if (ntStatus == STATUS_PENDING)
-	{
-		KeWaitForSingleObject (&event, Executive, KernelMode, FALSE, NULL);
-		ntStatus = ioStatusBlock.Status;
-	}
-
-	return ntStatus;
-}
-
-
-NTSTATUS CreateDriveLink (int nDosDriveNo)
-{
-	WCHAR dev[128], link[128];
-	UNICODE_STRING deviceName, symLink;
-	NTSTATUS ntStatus;
-
-	TCGetNTNameFromNumber (dev, sizeof(dev),nDosDriveNo);
-	TCGetDosNameFromNumber (link, sizeof(link),nDosDriveNo, DeviceNamespaceDefault);
-
-	RtlInitUnicodeString (&deviceName, dev);
-	RtlInitUnicodeString (&symLink, link);
-
-	ntStatus = IoCreateSymbolicLink (&symLink, &deviceName);
-	Dump ("IoCreateSymbolicLink returned %X\n", ntStatus);
-	return ntStatus;
-}
-
-
-NTSTATUS RemoveDriveLink (int nDosDriveNo)
-{
-	WCHAR link[256];
-	UNICODE_STRING symLink;
-	NTSTATUS ntStatus;
-
-	TCGetDosNameFromNumber (link, sizeof(link),nDosDriveNo, DeviceNamespaceDefault);
-	RtlInitUnicodeString (&symLink, link);
-
-	ntStatus = IoDeleteSymbolicLink (&symLink);
-	Dump ("IoDeleteSymbolicLink returned %X\n", ntStatus);
-	return ntStatus;
-}
-
-
-NTSTATUS MountManagerMount (MOUNT_STRUCT *mount)
-{
-	NTSTATUS ntStatus; 
-	WCHAR arrVolume[256];
-	char buf[200];
-	PMOUNTMGR_TARGET_NAME in = (PMOUNTMGR_TARGET_NAME) buf;
-	PMOUNTMGR_CREATE_POINT_INPUT point = (PMOUNTMGR_CREATE_POINT_INPUT) buf;
-
-	TCGetNTNameFromNumber (arrVolume, sizeof(arrVolume),mount->nDosDriveNo);
-	in->DeviceNameLength = (USHORT) wcslen (arrVolume) * 2;
-	RtlStringCbCopyW(in->DeviceName, sizeof(buf) - sizeof(in->DeviceNameLength),arrVolume);
-
-	ntStatus = TCDeviceIoControl (MOUNTMGR_DEVICE_NAME, IOCTL_MOUNTMGR_VOLUME_ARRIVAL_NOTIFICATION,
-		in, (ULONG) (sizeof (in->DeviceNameLength) + wcslen (arrVolume) * 2), 0, 0);
-
-	memset (buf, 0, sizeof buf);
-	TCGetDosNameFromNumber ((PWSTR) &point[1], sizeof(buf) - sizeof(MOUNTMGR_CREATE_POINT_INPUT),mount->nDosDriveNo, DeviceNamespaceDefault);
-
-	point->SymbolicLinkNameOffset = sizeof (MOUNTMGR_CREATE_POINT_INPUT);
-	point->SymbolicLinkNameLength = (USHORT) wcslen ((PWSTR) &point[1]) * 2;
-
-	point->DeviceNameOffset = point->SymbolicLinkNameOffset + point->SymbolicLinkNameLength;
-	TCGetNTNameFromNumber ((PWSTR) (buf + point->DeviceNameOffset), sizeof(buf) - point->DeviceNameOffset,mount->nDosDriveNo);
-	point->DeviceNameLength = (USHORT) wcslen ((PWSTR) (buf + point->DeviceNameOffset)) * 2;
-
-	ntStatus = TCDeviceIoControl (MOUNTMGR_DEVICE_NAME, IOCTL_MOUNTMGR_CREATE_POINT, point,
-			point->DeviceNameOffset + point->DeviceNameLength, 0, 0);
-
-	return ntStatus;
-}
-
-
-NTSTATUS MountManagerUnmount (int nDosDriveNo)
-{
-	NTSTATUS ntStatus; 
-	char buf[256], out[300];
-	PMOUNTMGR_MOUNT_POINT in = (PMOUNTMGR_MOUNT_POINT) buf;
-
-	memset (buf, 0, sizeof buf);
-
-	TCGetDosNameFromNumber ((PWSTR) &in[1], sizeof(buf) - sizeof(MOUNTMGR_MOUNT_POINT),nDosDriveNo, DeviceNamespaceDefault);
-
-	// Only symbolic link can be deleted with IOCTL_MOUNTMGR_DELETE_POINTS. If any other entry is specified, the mount manager will ignore subsequent IOCTL_MOUNTMGR_VOLUME_ARRIVAL_NOTIFICATION for the same volume ID.
-	in->SymbolicLinkNameOffset = sizeof (MOUNTMGR_MOUNT_POINT);
-	in->SymbolicLinkNameLength = (USHORT) wcslen ((PWCHAR) &in[1]) * 2;
-
-	ntStatus = TCDeviceIoControl (MOUNTMGR_DEVICE_NAME, IOCTL_MOUNTMGR_DELETE_POINTS,
-		in, sizeof(MOUNTMGR_MOUNT_POINT) + in->SymbolicLinkNameLength, out, sizeof out);
-
-	Dump ("IOCTL_MOUNTMGR_DELETE_POINTS returned 0x%08x\n", ntStatus);
-
-	return ntStatus;
-}
-
-
-NTSTATUS MountDevice (PDEVICE_OBJECT DeviceObject, MOUNT_STRUCT *mount)
-{
-	PDEVICE_OBJECT NewDeviceObject;
-	NTSTATUS ntStatus;	
-
-	// Make sure the user is asking for a reasonable nDosDriveNo
-	if (mount->nDosDriveNo >= 0 && mount->nDosDriveNo <= 25 
-		&& IsDriveLetterAvailable (mount->nDosDriveNo, DeviceNamespaceDefault) // drive letter must not exist both locally and globally
-		&& IsDriveLetterAvailable (mount->nDosDriveNo, DeviceNamespaceGlobal)
-		)
-	{
-		Dump ("Mount request looks valid\n");
-	}
-	else
-	{
-		Dump ("WARNING: MOUNT DRIVE LETTER INVALID\n");
-		mount->nReturnCode = ERR_DRIVE_NOT_FOUND;
-		return ERR_DRIVE_NOT_FOUND;
-	}
-
-	if (!SelfTestsPassed)
-	{
-		mount->nReturnCode = ERR_SELF_TESTS_FAILED;
-		return ERR_SELF_TESTS_FAILED;
-	}
-
-	ntStatus = TCCreateDeviceObject (DeviceObject->DriverObject, &NewDeviceObject, mount);
-
-	if (!NT_SUCCESS (ntStatus))
-	{
-		Dump ("Mount CREATE DEVICE ERROR, ntStatus = 0x%08x\n", ntStatus);
-		return ntStatus;
-	}
-	else
-	{
-		PEXTENSION NewExtension = (PEXTENSION) NewDeviceObject->DeviceExtension;
-		SECURITY_SUBJECT_CONTEXT subContext;
-		PACCESS_TOKEN accessToken;
-
-		SeCaptureSubjectContext (&subContext);
-		SeLockSubjectContext(&subContext);
-		if (subContext.ClientToken && subContext.ImpersonationLevel >= SecurityImpersonation)
-			accessToken = subContext.ClientToken;
-		else
-			accessToken = subContext.PrimaryToken;
-
-		if (!accessToken)
-		{
-			ntStatus = STATUS_INVALID_PARAMETER;
-		}
-		else
-		{
-			PTOKEN_USER tokenUser;
-
-			ntStatus = SeQueryInformationToken (accessToken, TokenUser, &tokenUser);
-			if (NT_SUCCESS (ntStatus))
-			{
-				ULONG sidLength = RtlLengthSid (tokenUser->User.Sid);
-
-				NewExtension->UserSid = TCalloc (sidLength);
-				if (!NewExtension->UserSid)
-					ntStatus = STATUS_INSUFFICIENT_RESOURCES;
-				else
-					ntStatus = RtlCopySid (sidLength, NewExtension->UserSid, tokenUser->User.Sid);
-
-				ExFreePool (tokenUser);		// Documented in newer versions of WDK
-			}
-		}
-
-		SeUnlockSubjectContext(&subContext);
-		SeReleaseSubjectContext (&subContext);
-
-		if (NT_SUCCESS (ntStatus))
-			ntStatus = TCStartVolumeThread (NewDeviceObject, NewExtension, mount);
-
-		if (!NT_SUCCESS (ntStatus))
-		{
-			Dump ("Mount FAILURE NT ERROR, ntStatus = 0x%08x\n", ntStatus);
-			TCDeleteDeviceObject (NewDeviceObject, NewExtension);
-			return ntStatus;
-		}
-		else
-		{
-			if (mount->nReturnCode == 0)
-			{
-				HANDLE volumeHandle;
-				PFILE_OBJECT volumeFileObject;
-				ULONG labelLen = (ULONG) wcslen (mount->wszLabel);
-				BOOL bIsNTFS = FALSE;
-				ULONG labelMaxLen, labelEffectiveLen;
-
-				Dump ("Mount SUCCESS TC code = 0x%08x READ-ONLY = %d\n", mount->nReturnCode, NewExtension->bReadOnly);
-
-				if (NewExtension->bReadOnly)
-					NewDeviceObject->Characteristics |= FILE_READ_ONLY_DEVICE;
-
-				NewDeviceObject->Flags &= ~DO_DEVICE_INITIALIZING;
-
-				NewExtension->UniqueVolumeId = LastUniqueVolumeId++;
-
-				// check again that the drive letter is available globally and locally
-				if (	!IsDriveLetterAvailable (mount->nDosDriveNo, DeviceNamespaceDefault)
-					|| !IsDriveLetterAvailable (mount->nDosDriveNo, DeviceNamespaceGlobal)
-					)
-				{
-						TCDeleteDeviceObject (NewDeviceObject, NewExtension);
-						mount->nReturnCode = ERR_DRIVE_NOT_FOUND;
-						return ERR_DRIVE_NOT_FOUND;
-				}
-
-				if (mount->bMountManager)
-					MountManagerMount (mount);
-
-				NewExtension->bMountManager = mount->bMountManager;
-
-				// We create symbolic link even if mount manager is notified of
-				// arriving volume as it apparently sometimes fails to create the link
-				CreateDriveLink (mount->nDosDriveNo);
-
-				mount->FilesystemDirty = FALSE;
-
-				if (NT_SUCCESS (TCOpenFsVolume (NewExtension, &volumeHandle, &volumeFileObject)))
-				{
-					__try
-					{
-						ULONG fsStatus;
-
-						if (NT_SUCCESS (TCFsctlCall (volumeFileObject, FSCTL_IS_VOLUME_DIRTY, NULL, 0, &fsStatus, sizeof (fsStatus)))
-							&& (fsStatus & VOLUME_IS_DIRTY))
-						{
-							mount->FilesystemDirty = TRUE;
-						}
-					}
-					__except (EXCEPTION_EXECUTE_HANDLER)
-					{
-						mount->FilesystemDirty = TRUE;
-					}
-
-					// detect if the filesystem is NTFS or FAT
-					__try
-					{
-						NTFS_VOLUME_DATA_BUFFER ntfsData;
-						if (NT_SUCCESS (TCFsctlCall (volumeFileObject, FSCTL_GET_NTFS_VOLUME_DATA, NULL, 0, &ntfsData, sizeof (ntfsData))))
-						{
-							bIsNTFS = TRUE;
-						}
-					}
-					__except (EXCEPTION_EXECUTE_HANDLER)
-					{
-						bIsNTFS = FALSE;
-					}
-
-					NewExtension->bIsNTFS = bIsNTFS;
-					mount->bIsNTFS = bIsNTFS;
-
-					if (labelLen > 0)
-					{
-						if (bIsNTFS)
-							labelMaxLen = 32; // NTFS maximum label length
-						else
-							labelMaxLen = 11; // FAT maximum label length
-
-						// calculate label effective length
-						labelEffectiveLen = labelLen > labelMaxLen? labelMaxLen : labelLen;
-
-						// correct the label in the device
-						memset (&NewExtension->wszLabel[labelEffectiveLen], 0, 33 - labelEffectiveLen);
-						memcpy (mount->wszLabel, NewExtension->wszLabel, 33);
-
-						// set the volume label
-						__try
-						{
-							IO_STATUS_BLOCK ioblock;
-							ULONG labelInfoSize = sizeof(FILE_FS_LABEL_INFORMATION) + (labelEffectiveLen * sizeof(WCHAR));
-							FILE_FS_LABEL_INFORMATION* labelInfo = (FILE_FS_LABEL_INFORMATION*) TCalloc (labelInfoSize);
-							labelInfo->VolumeLabelLength = labelEffectiveLen * sizeof(WCHAR);
-							memcpy (labelInfo->VolumeLabel, mount->wszLabel, labelInfo->VolumeLabelLength);
-									
-							if (STATUS_SUCCESS == ZwSetVolumeInformationFile (volumeHandle, &ioblock, labelInfo, labelInfoSize, FileFsLabelInformation))
-							{
-								mount->bDriverSetLabel = TRUE;
-								NewExtension->bDriverSetLabel = TRUE;
-							}
-
-							TCfree(labelInfo);
-						}
-						__except (EXCEPTION_EXECUTE_HANDLER)
-						{
-
-						}
-					}
-
-					TCCloseFsVolume (volumeHandle, volumeFileObject);
-				}
-			}
-			else
-			{
-				Dump ("Mount FAILURE TC code = 0x%08x\n", mount->nReturnCode);
-				TCDeleteDeviceObject (NewDeviceObject, NewExtension);
-			}
-			
-			return STATUS_SUCCESS;
-		}
-	}
-}
-
-NTSTATUS UnmountDevice (UNMOUNT_STRUCT *unmountRequest, PDEVICE_OBJECT deviceObject, BOOL ignoreOpenFiles)
-{
-	PEXTENSION extension = deviceObject->DeviceExtension;
-	NTSTATUS ntStatus;
-	HANDLE volumeHandle;
-	PFILE_OBJECT volumeFileObject;
-
-	Dump ("UnmountDevice %d\n", extension->nDosDriveNo);
-
-	ntStatus = TCOpenFsVolume (extension, &volumeHandle, &volumeFileObject);
-
-	if (NT_SUCCESS (ntStatus))
-	{
-		int dismountRetry;
-
-		// Dismounting a writable NTFS filesystem prevents the driver from being unloaded on Windows 7
-		if (IsOSAtLeast (WIN_7) && !extension->bReadOnly)
-		{
-			NTFS_VOLUME_DATA_BUFFER ntfsData;
-
-			if (NT_SUCCESS (TCFsctlCall (volumeFileObject, FSCTL_GET_NTFS_VOLUME_DATA, NULL, 0, &ntfsData, sizeof (ntfsData))))
-				DriverUnloadDisabled = TRUE;
-		}
-
-		// Lock volume
-		ntStatus = TCFsctlCall (volumeFileObject, FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0);
-		Dump ("FSCTL_LOCK_VOLUME returned %X\n", ntStatus);
-
-		if (!NT_SUCCESS (ntStatus) && !ignoreOpenFiles)
-		{
-			TCCloseFsVolume (volumeHandle, volumeFileObject);
-			return ERR_FILES_OPEN;
-		}
-
-		// Dismount volume
-		for (dismountRetry = 0; dismountRetry < 200; ++dismountRetry)
-		{
-			ntStatus = TCFsctlCall (volumeFileObject, FSCTL_DISMOUNT_VOLUME, NULL, 0, NULL, 0);
-			Dump ("FSCTL_DISMOUNT_VOLUME returned %X\n", ntStatus);
-
-			if (NT_SUCCESS (ntStatus) || ntStatus == STATUS_VOLUME_DISMOUNTED)
-				break;
-
-			if (!ignoreOpenFiles)
-			{
-				TCCloseFsVolume (volumeHandle, volumeFileObject);
-				return ERR_FILES_OPEN;
-			}
-
-			TCSleep (100);
-		}
-	}
-	else 
-	{
-		// Volume cannot be opened => force dismount if allowed
-		if (!ignoreOpenFiles)
-			return ERR_FILES_OPEN;
-		else
-			volumeHandle = NULL;
-	}
-
-	if (extension->bMountManager)
-		MountManagerUnmount (extension->nDosDriveNo);
-
-	// We always remove symbolic link as mount manager might fail to do so
-	RemoveDriveLink (extension->nDosDriveNo);
-
-	extension->bShuttingDown = TRUE;
-
-	ntStatus = IoAcquireRemoveLock (&extension->Queue.RemoveLock, NULL);
-	ASSERT (NT_SUCCESS (ntStatus));
-	IoReleaseRemoveLockAndWait (&extension->Queue.RemoveLock, NULL);
-
-	if (volumeHandle != NULL)
-		TCCloseFsVolume (volumeHandle, volumeFileObject);
-
-	if (unmountRequest)
-	{
-		PCRYPTO_INFO cryptoInfo = ((PEXTENSION) deviceObject->DeviceExtension)->cryptoInfo;
-		unmountRequest->HiddenVolumeProtectionTriggered = (cryptoInfo->bProtectHiddenVolume && cryptoInfo->bHiddenVolProtectionAction);
-	}
-
-	TCDeleteDeviceObject (deviceObject, (PEXTENSION) deviceObject->DeviceExtension);
-	return 0;
-}
-
-
-static PDEVICE_OBJECT FindVolumeWithHighestUniqueId (int maxUniqueId)
-{
-	PDEVICE_OBJECT highestIdDevice = NULL;
-	int highestId = -1;
-	int drive;
-
-	for (drive = MIN_MOUNTED_VOLUME_DRIVE_NUMBER; drive <= MAX_MOUNTED_VOLUME_DRIVE_NUMBER; ++drive)
-	{
-		PDEVICE_OBJECT device = GetVirtualVolumeDeviceObject (drive);
-		if (device)
-		{
-			PEXTENSION extension = (PEXTENSION) device->DeviceExtension;
-			if (extension->UniqueVolumeId > highestId && extension->UniqueVolumeId <= maxUniqueId)
-			{
-				highestId = extension->UniqueVolumeId;
-				highestIdDevice = device;
-			}
-		}
-	}
-
-	return highestIdDevice;
-}
-
-
-NTSTATUS UnmountAllDevices (UNMOUNT_STRUCT *unmountRequest, BOOL ignoreOpenFiles)
-{
-	NTSTATUS status = 0;
-	PDEVICE_OBJECT ListDevice;
-	int maxUniqueId = LastUniqueVolumeId;
-
-	Dump ("Unmounting all volumes\n");
-
-	if (unmountRequest)
-		unmountRequest->HiddenVolumeProtectionTriggered = FALSE;
-
-	// Dismount volumes in the reverse order they were mounted to properly dismount nested volumes
-	while ((ListDevice = FindVolumeWithHighestUniqueId (maxUniqueId)) != NULL)
-	{
-		PEXTENSION ListExtension = (PEXTENSION) ListDevice->DeviceExtension;
-		maxUniqueId = ListExtension->UniqueVolumeId - 1;
-
-		if (IsVolumeAccessibleByCurrentUser (ListExtension))
-		{
-			NTSTATUS ntStatus;
-
-			if (unmountRequest)
-				unmountRequest->nDosDriveNo = ListExtension->nDosDriveNo;
-
-			ntStatus = UnmountDevice (unmountRequest, ListDevice, ignoreOpenFiles);
-			status = ntStatus == 0 ? status : ntStatus;
-
-			if (unmountRequest && unmountRequest->HiddenVolumeProtectionTriggered)
-				break;
-		}
-	}
-
-	return status;
-}
-
-// Resolves symbolic link name to its target name
-NTSTATUS SymbolicLinkToTarget (PWSTR symlinkName, PWSTR targetName, USHORT maxTargetNameLength)
-{
-	NTSTATUS ntStatus;
-	OBJECT_ATTRIBUTES objectAttributes;
-	UNICODE_STRING fullFileName;
-	HANDLE handle;
-
-	RtlInitUnicodeString (&fullFileName, symlinkName);
-	InitializeObjectAttributes (&objectAttributes, &fullFileName, OBJ_KERNEL_HANDLE | OBJ_CASE_INSENSITIVE, NULL, NULL);
-
-	ntStatus = ZwOpenSymbolicLinkObject (&handle, GENERIC_READ, &objectAttributes);
-
-	if (NT_SUCCESS (ntStatus))
-	{
-		UNICODE_STRING target;
-		target.Buffer = targetName;
-		target.Length = 0;
-		target.MaximumLength = maxTargetNameLength;
-		memset (targetName, 0, maxTargetNameLength);
-
-		ntStatus = ZwQuerySymbolicLinkObject (handle, &target, NULL);
-
-		ZwClose (handle);
-	}
-
-	return ntStatus;
-}
-
-
-// Checks if two regions overlap (borders are parts of regions)
-BOOL RegionsOverlap (unsigned __int64 start1, unsigned __int64 end1, unsigned __int64 start2, unsigned __int64 end2)
-{
-	return (start1 < start2) ? (end1 >= start2) : (start1 <= end2);
-}
-
-
-void GetIntersection (uint64 start1, uint32 length1, uint64 start2, uint64 end2, uint64 *intersectStart, uint32 *intersectLength)
-{
-	uint64 end1 = start1 + length1 - 1;
-	uint64 intersectEnd = (end1 <= end2) ? end1 : end2;
-	
-	*intersectStart = (start1 >= start2) ? start1 : start2;
-	*intersectLength = (uint32) ((*intersectStart > intersectEnd) ? 0 : intersectEnd + 1 - *intersectStart);
-	
-	if (*intersectLength == 0)
-		*intersectStart = start1;
-}
-
-
-BOOL IsAccessibleByUser (PUNICODE_STRING objectFileName, BOOL readOnly)
-{
-	OBJECT_ATTRIBUTES fileObjAttributes;
-	IO_STATUS_BLOCK ioStatusBlock;
-	HANDLE fileHandle;
-	NTSTATUS status;
-
-	ASSERT (!IoIsSystemThread (PsGetCurrentThread()));
-
-	InitializeObjectAttributes (&fileObjAttributes, objectFileName, OBJ_CASE_INSENSITIVE | OBJ_FORCE_ACCESS_CHECK | OBJ_KERNEL_HANDLE, NULL, NULL);
-	
-	status = ZwCreateFile (&fileHandle,
-		readOnly ? GENERIC_READ : GENERIC_READ | GENERIC_WRITE,
-		&fileObjAttributes,
-		&ioStatusBlock,
-		NULL,
-		FILE_ATTRIBUTE_NORMAL,
-		FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
-		FILE_OPEN,
-		FILE_SYNCHRONOUS_IO_NONALERT,
-		NULL,
-		0);
-
-	if (NT_SUCCESS (status))
-	{
-		ZwClose (fileHandle);
-		return TRUE;
-	}
-
-	return FALSE;
-}
-
-
-BOOL UserCanAccessDriveDevice ()
-{
-	UNICODE_STRING name;
-	RtlInitUnicodeString (&name, L"\\Device\\MountPointManager");
-
-	return IsAccessibleByUser (&name, FALSE);
-}
-
-BOOL IsDriveLetterAvailable (int nDosDriveNo, DeviceNamespaceType namespaceType)
-{
-	OBJECT_ATTRIBUTES objectAttributes;
-	UNICODE_STRING objectName;
-	WCHAR link[128];
-	HANDLE handle;
-	NTSTATUS ntStatus;
-
-	TCGetDosNameFromNumber (link, sizeof(link),nDosDriveNo, namespaceType);
-	RtlInitUnicodeString (&objectName, link);
-	InitializeObjectAttributes (&objectAttributes, &objectName, OBJ_KERNEL_HANDLE | OBJ_CASE_INSENSITIVE, NULL, NULL);
-
-	if (NT_SUCCESS (ntStatus = ZwOpenSymbolicLinkObject (&handle, GENERIC_READ, &objectAttributes)))
-	{
-		ZwClose (handle);
-		return FALSE;
-	}
-
-	return (ntStatus == STATUS_OBJECT_NAME_NOT_FOUND)? TRUE : FALSE;
-}
-
-
-NTSTATUS TCCompleteIrp (PIRP irp, NTSTATUS status, ULONG_PTR information)
-{
-	irp->IoStatus.Status = status;
-	irp->IoStatus.Information = information;
-	IoCompleteRequest (irp, IO_NO_INCREMENT);
-	return status;
-}
-
-
-NTSTATUS TCCompleteDiskIrp (PIRP irp, NTSTATUS status, ULONG_PTR information)
-{
-	irp->IoStatus.Status = status;
-	irp->IoStatus.Information = information;
-	IoCompleteRequest (irp, NT_SUCCESS (status) ? IO_DISK_INCREMENT : IO_NO_INCREMENT);
-	return status;
-}
-
-
-size_t GetCpuCount ()
-{
-	KAFFINITY activeCpuMap = KeQueryActiveProcessors();
-	size_t mapSize = sizeof (activeCpuMap) * 8;
-	size_t cpuCount = 0;
-
-	while (mapSize--)
-	{
-		if (activeCpuMap & 1)
-			++cpuCount;
-
-		activeCpuMap >>= 1;
-	}
-
-	if (cpuCount == 0)
-		return 1;
-
-	return cpuCount;
-}
-
-
-void EnsureNullTerminatedString (wchar_t *str, size_t maxSizeInBytes)
-{
-	ASSERT ((maxSizeInBytes & 1) == 0);
-	str[maxSizeInBytes / sizeof (wchar_t) - 1] = 0;
-}
-
-
-void *AllocateMemoryWithTimeout (size_t size, int retryDelay, int timeout)
-{
-	LARGE_INTEGER waitInterval;
-	waitInterval.QuadPart = retryDelay * -10000;
-
-	ASSERT (KeGetCurrentIrql() <= APC_LEVEL);
-	ASSERT (retryDelay > 0 && retryDelay <= timeout);
-
-	while (TRUE)
-	{
-		void *memory = TCalloc (size);
-		if (memory)
-			return memory;
-
-		timeout -= retryDelay;
-		if (timeout <= 0)
-			break;
-
-		KeDelayExecutionThread (KernelMode, FALSE, &waitInterval);
-	}
-
-	return NULL;
-}
-
-
-NTSTATUS TCReadRegistryKey (PUNICODE_STRING keyPath, wchar_t *keyValueName, PKEY_VALUE_PARTIAL_INFORMATION *keyData)
-{
-	OBJECT_ATTRIBUTES regObjAttribs;
-	HANDLE regKeyHandle;
-	NTSTATUS status;
-	UNICODE_STRING valName;
-	ULONG size = 0;
-	ULONG resultSize;
-
-	InitializeObjectAttributes (&regObjAttribs, keyPath, OBJ_KERNEL_HANDLE | OBJ_CASE_INSENSITIVE, NULL, NULL);
-	status = ZwOpenKey (&regKeyHandle, KEY_READ, &regObjAttribs);
-	if (!NT_SUCCESS (status))
-		return status;
-
-	RtlInitUnicodeString (&valName, keyValueName);
-	status = ZwQueryValueKey (regKeyHandle, &valName, KeyValuePartialInformation, NULL, 0, &size);
-		
-	if (!NT_SUCCESS (status) && status != STATUS_BUFFER_OVERFLOW && status != STATUS_BUFFER_TOO_SMALL)
-	{
-		ZwClose (regKeyHandle);
-		return status;
-	}
-
-	if (size == 0)
-	{
-		ZwClose (regKeyHandle);
-		return STATUS_NO_DATA_DETECTED;
-	}
-
-	*keyData = (PKEY_VALUE_PARTIAL_INFORMATION) TCalloc (size);
-	if (!*keyData)
-	{
-		ZwClose (regKeyHandle);
-		return STATUS_INSUFFICIENT_RESOURCES;
-	}
-
-	status = ZwQueryValueKey (regKeyHandle, &valName, KeyValuePartialInformation, *keyData, size, &resultSize);
-
-	ZwClose (regKeyHandle);
-	return status;
-}
-
-
-NTSTATUS TCWriteRegistryKey (PUNICODE_STRING keyPath, wchar_t *keyValueName, ULONG keyValueType, void *valueData, ULONG valueSize)
-{
-	OBJECT_ATTRIBUTES regObjAttribs;
-	HANDLE regKeyHandle;
-	NTSTATUS status;
-	UNICODE_STRING valName;
-
-	InitializeObjectAttributes (&regObjAttribs, keyPath, OBJ_KERNEL_HANDLE | OBJ_CASE_INSENSITIVE, NULL, NULL);
-	status = ZwOpenKey (&regKeyHandle, KEY_READ | KEY_WRITE, &regObjAttribs);
-	if (!NT_SUCCESS (status))
-		return status;
-
-	RtlInitUnicodeString (&valName, keyValueName);
-
-	status = ZwSetValueKey (regKeyHandle, &valName, 0, keyValueType, valueData, valueSize);
-
-	ZwClose (regKeyHandle);
-	return status;
-}
-
-
-BOOL IsVolumeClassFilterRegistered ()
-{
-	UNICODE_STRING name;
-	NTSTATUS status;
-	BOOL registered = FALSE;
-
-	PKEY_VALUE_PARTIAL_INFORMATION data;
-
-	RtlInitUnicodeString (&name, L"\\REGISTRY\\MACHINE\\SYSTEM\\CurrentControlSet\\Control\\Class\\{71A27CDD-812A-11D0-BEC7-08002BE2092F}");
-	status = TCReadRegistryKey (&name, L"UpperFilters", &data);
-
-	if (NT_SUCCESS (status))
-	{
-		if (data->Type == REG_MULTI_SZ && data->DataLength >= 9 * sizeof (wchar_t))
-		{
-			// Search for the string "veracrypt"
-			ULONG i;
-			for (i = 0; i <= data->DataLength - 9 * sizeof (wchar_t); ++i)
-			{
-				if (memcmp (data->Data + i, L"veracrypt", 9 * sizeof (wchar_t)) == 0)
-				{
-					Dump ("Volume class filter active\n");
-					registered = TRUE;
-					break;
-				}
-			}
-		}
-
-		TCfree (data);
-	}
-
-	return registered;
-}
-
-
-NTSTATUS ReadRegistryConfigFlags (BOOL driverEntry)
-{
-	PKEY_VALUE_PARTIAL_INFORMATION data;
-	UNICODE_STRING name;
-	NTSTATUS status;
-	uint32 flags = 0;
-
-	RtlInitUnicodeString (&name, L"\\REGISTRY\\MACHINE\\SYSTEM\\CurrentControlSet\\Services\\veracrypt");
-	status = TCReadRegistryKey (&name, TC_DRIVER_CONFIG_REG_VALUE_NAME, &data);
-
-	if (NT_SUCCESS (status))
-	{
-		if (data->Type == REG_DWORD)
-		{
-			flags = *(uint32 *) data->Data;
-			Dump ("Configuration flags = 0x%x\n", flags);
-
-			if (driverEntry)
-			{
-				if (flags & (TC_DRIVER_CONFIG_CACHE_BOOT_PASSWORD | TC_DRIVER_CONFIG_CACHE_BOOT_PASSWORD_FOR_SYS_FAVORITES))
-					CacheBootPassword = TRUE;
-
-				if (flags & TC_DRIVER_CONFIG_DISABLE_NONADMIN_SYS_FAVORITES_ACCESS)
-					NonAdminSystemFavoritesAccessDisabled = TRUE;
-
-				if (flags & TC_DRIVER_CONFIG_CACHE_BOOT_PIM)
-					CacheBootPim = TRUE;
-			}
-
-			EnableHwEncryption ((flags & TC_DRIVER_CONFIG_DISABLE_HARDWARE_ENCRYPTION) ? FALSE : TRUE);
-			
-			EnableExtendedIoctlSupport = (flags & TC_DRIVER_CONFIG_ENABLE_EXTENDED_IOCTL)? TRUE : FALSE;
-		}
-		else
-			status = STATUS_INVALID_PARAMETER;
-
-		TCfree (data);
-	}
-
-	if (driverEntry && NT_SUCCESS (TCReadRegistryKey (&name, TC_ENCRYPTION_FREE_CPU_COUNT_REG_VALUE_NAME, &data)))
-	{
-		if (data->Type == REG_DWORD)
-			EncryptionThreadPoolFreeCpuCountLimit = *(uint32 *) data->Data;
-
-		TCfree (data);
-	}
-
-	return status;
-}
-
-
-NTSTATUS WriteRegistryConfigFlags (uint32 flags)
-{
-	UNICODE_STRING name;
-	RtlInitUnicodeString (&name, L"\\REGISTRY\\MACHINE\\SYSTEM\\CurrentControlSet\\Services\\veracrypt");
-
-	return TCWriteRegistryKey (&name, TC_DRIVER_CONFIG_REG_VALUE_NAME, REG_DWORD, &flags, sizeof (flags));
-}
-
-
-NTSTATUS GetDeviceSectorSize (PDEVICE_OBJECT deviceObject, ULONG *bytesPerSector)
-{
-	NTSTATUS status;
-	DISK_GEOMETRY geometry;
-
-	status = SendDeviceIoControlRequest (deviceObject, IOCTL_DISK_GET_DRIVE_GEOMETRY, NULL, 0, &geometry, sizeof (geometry));
-
-	if (!NT_SUCCESS (status))
-		return status;
-
-	*bytesPerSector = geometry.BytesPerSector;
-	return STATUS_SUCCESS;
-}
-
-
-NTSTATUS ZeroUnreadableSectors (PDEVICE_OBJECT deviceObject, LARGE_INTEGER startOffset, ULONG size, uint64 *zeroedSectorCount)
-{
-	NTSTATUS status;
-	ULONG sectorSize;
-	ULONG sectorCount;
-	byte *sectorBuffer = NULL;
-
-	*zeroedSectorCount = 0;
-
-	status = GetDeviceSectorSize (deviceObject, &sectorSize);
-	if (!NT_SUCCESS (status))
-		return status;
-
-	sectorBuffer = TCalloc (sectorSize);
-	if (!sectorBuffer)
-		return STATUS_INSUFFICIENT_RESOURCES;
-
-	for (sectorCount = size / sectorSize; sectorCount > 0; --sectorCount, startOffset.QuadPart += sectorSize)
-	{
-		status = TCReadDevice (deviceObject, sectorBuffer, startOffset, sectorSize);
-		if (!NT_SUCCESS (status))
-		{
-			Dump ("Zeroing sector at %I64d\n", startOffset.QuadPart);
-			memset (sectorBuffer, 0, sectorSize);
-
-			status = TCWriteDevice (deviceObject, sectorBuffer, startOffset, sectorSize);
-			if (!NT_SUCCESS (status))
-				goto err;
-
-			++(*zeroedSectorCount);
-		}
-	}
-
-	status = STATUS_SUCCESS;
-
-err:
-	if (sectorBuffer)
-		TCfree (sectorBuffer);
-
-	return status;
-}
-
-
-NTSTATUS ReadDeviceSkipUnreadableSectors (PDEVICE_OBJECT deviceObject, byte *buffer, LARGE_INTEGER startOffset, ULONG size, uint64 *badSectorCount)
-{
-	NTSTATUS status;
-	ULONG sectorSize;
-	ULONG sectorCount;
-
-	*badSectorCount = 0;
-
-	status = GetDeviceSectorSize (deviceObject, &sectorSize);
-	if (!NT_SUCCESS (status))
-		return status;
-
-	for (sectorCount = size / sectorSize; sectorCount > 0; --sectorCount, startOffset.QuadPart += sectorSize, buffer += sectorSize)
-	{
-		status = TCReadDevice (deviceObject, buffer, startOffset, sectorSize);
-		if (!NT_SUCCESS (status))
-		{
-			Dump ("Skipping bad sector at %I64d\n", startOffset.QuadPart);
-			memset (buffer, 0, sectorSize);
-			++(*badSectorCount);
-		}
-	}
-
-	return STATUS_SUCCESS;
-}
-
-
-BOOL IsVolumeAccessibleByCurrentUser (PEXTENSION volumeDeviceExtension)
-{
-	SECURITY_SUBJECT_CONTEXT subContext;
-	PACCESS_TOKEN accessToken;
-	PTOKEN_USER tokenUser;
-	BOOL result = FALSE;
-
-	if (IoIsSystemThread (PsGetCurrentThread())
-		|| UserCanAccessDriveDevice()
-		|| !volumeDeviceExtension->UserSid
-		|| (volumeDeviceExtension->SystemFavorite && !NonAdminSystemFavoritesAccessDisabled))
-	{
-		return TRUE;
-	}
-
-	SeCaptureSubjectContext (&subContext);
-	SeLockSubjectContext(&subContext);
-	if (subContext.ClientToken && subContext.ImpersonationLevel >= SecurityImpersonation)
-		accessToken = subContext.ClientToken;
-	else
-		accessToken = subContext.PrimaryToken;
-
-	if (!accessToken)
-		goto ret;
-	
-	if (SeTokenIsAdmin (accessToken))
-	{
-		result = TRUE;
-		goto ret;
-	}
-
-	if (!NT_SUCCESS (SeQueryInformationToken (accessToken, TokenUser, &tokenUser)))
-		goto ret;
-
-	result = RtlEqualSid (volumeDeviceExtension->UserSid, tokenUser->User.Sid);
-	ExFreePool (tokenUser);		// Documented in newer versions of WDK
-
-ret:
-	SeUnlockSubjectContext(&subContext);
-	SeReleaseSubjectContext (&subContext);
-	return result;
-}
-
-
-void GetElapsedTimeInit (LARGE_INTEGER *lastPerfCounter)
-{
-	*lastPerfCounter = KeQueryPerformanceCounter (NULL);
-}
-
-
-// Returns elapsed time in microseconds since last call
-int64 GetElapsedTime (LARGE_INTEGER *lastPerfCounter)
-{
-	LARGE_INTEGER freq;
-	LARGE_INTEGER counter = KeQueryPerformanceCounter (&freq);
-
-	int64 elapsed = (counter.QuadPart - lastPerfCounter->QuadPart) * 1000000LL / freq.QuadPart;
-	*lastPerfCounter = counter;
-
-	return elapsed;
-}
-
-
-BOOL IsOSAtLeast (OSVersionEnum reqMinOS)
-{
-	/* When updating this function, update IsOSVersionAtLeast() in Dlgcode.c too. */
-
-	ULONG major = 0, minor = 0;
-
-	ASSERT (OsMajorVersion != 0);
-
-	switch (reqMinOS)
-	{
-	case WIN_2000:			major = 5; minor = 0; break;
-	case WIN_XP:			major = 5; minor = 1; break;
-	case WIN_SERVER_2003:	major = 5; minor = 2; break;
-	case WIN_VISTA:			major = 6; minor = 0; break;
-	case WIN_7:				major = 6; minor = 1; break;
-	case WIN_8:				major = 6; minor = 2; break;
-	case WIN_8_1:			major = 6; minor = 3; break;
-	case WIN_10:			major = 10; minor = 0; break;
-
-	default:
-		TC_THROW_FATAL_EXCEPTION;
-		break;
-	}
-
-	return ((OsMajorVersion << 16 | OsMinorVersion << 8)
-		>= (major << 16 | minor << 8));
-}
+/*
+ Legal Notice: Some portions of the source code contained in this file were
+ derived from the source code of TrueCrypt 7.1a, which is 
+ Copyright (c) 2003-2012 TrueCrypt Developers Association and which is 
+ governed by the TrueCrypt License 3.0, also from the source code of
+ Encryption for the Masses 2.02a, which is Copyright (c) 1998-2000 Paul Le Roux
+ and which is governed by the 'License Agreement for Encryption for the Masses' 
+ Modifications and additions to the original source code (contained in this file) 
+ and all other portions of this file are Copyright (c) 2013-2016 IDRIX
+ and are governed by the Apache License 2.0 the full text of which is
+ contained in the file License.txt included in VeraCrypt binary and source
+ code distribution packages. */
+
+#include "TCdefs.h"
+#include <ntddk.h>
+#include "Crypto.h"
+#include "Fat.h"
+#include "Tests.h"
+#include "cpu.h"
+
+#include "Apidrvr.h"
+#include "Boot/Windows/BootDefs.h"
+#include "EncryptedIoQueue.h"
+#include "EncryptionThreadPool.h"
+#include "Ntdriver.h"
+#include "Ntvol.h"
+#include "DriveFilter.h"
+#include "DumpFilter.h"
+#include "Cache.h"
+#include "Volumes.h"
+#include "VolumeFilter.h"
+
+#include <tchar.h>
+#include <initguid.h>
+#include <mountmgr.h>
+#include <mountdev.h>
+#include <ntddvol.h>
+
+#include <Ntstrsafe.h>
+#include <Intsafe.h>
+
+/* Init section, which is thrown away as soon as DriverEntry returns */
+#pragma alloc_text(INIT,DriverEntry)
+#pragma alloc_text(INIT,TCCreateRootDeviceObject)
+
+PDRIVER_OBJECT TCDriverObject;
+PDEVICE_OBJECT RootDeviceObject = NULL;
+static KMUTEX RootDeviceControlMutex;
+BOOL DriverShuttingDown = FALSE;
+BOOL SelfTestsPassed;
+int LastUniqueVolumeId;
+ULONG OsMajorVersion = 0;
+ULONG OsMinorVersion;
+BOOL DriverUnloadDisabled = FALSE;
+BOOL PortableMode = FALSE;
+BOOL VolumeClassFilterRegistered = FALSE;
+BOOL CacheBootPassword = FALSE;
+BOOL CacheBootPim = FALSE;
+BOOL NonAdminSystemFavoritesAccessDisabled = FALSE;
+static size_t EncryptionThreadPoolFreeCpuCountLimit = 0;
+static BOOL SystemFavoriteVolumeDirty = FALSE;
+static BOOL PagingFileCreationPrevented = FALSE;
+static BOOL EnableExtendedIoctlSupport = FALSE;
+
+PDEVICE_OBJECT VirtualVolumeDeviceObjects[MAX_MOUNTED_VOLUME_DRIVE_NUMBER + 1];
+
+
+NTSTATUS DriverEntry (PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath)
+{
+	PKEY_VALUE_PARTIAL_INFORMATION startKeyValue;
+	LONG version;
+	int i;
+
+	Dump ("DriverEntry " TC_APP_NAME " " VERSION_STRING "\n");
+
+	DetectX86Features ();
+
+	PsGetVersion (&OsMajorVersion, &OsMinorVersion, NULL, NULL);
+
+	// Load dump filter if the main driver is already loaded
+	if (NT_SUCCESS (TCDeviceIoControl (NT_ROOT_PREFIX, TC_IOCTL_GET_DRIVER_VERSION, NULL, 0, &version, sizeof (version))))
+		return DumpFilterEntry ((PFILTER_EXTENSION) DriverObject, (PFILTER_INITIALIZATION_DATA) RegistryPath);
+
+	TCDriverObject = DriverObject;
+	memset (VirtualVolumeDeviceObjects, 0, sizeof (VirtualVolumeDeviceObjects));
+
+	ReadRegistryConfigFlags (TRUE);
+	EncryptionThreadPoolStart (EncryptionThreadPoolFreeCpuCountLimit);
+	SelfTestsPassed = AutoTestAlgorithms();
+
+	// Enable device class filters and load boot arguments if the driver is set to start at system boot
+		
+	if (NT_SUCCESS (TCReadRegistryKey (RegistryPath, L"Start", &startKeyValue)))
+	{
+		if (startKeyValue->Type == REG_DWORD && *((uint32 *) startKeyValue->Data) == SERVICE_BOOT_START)
+		{
+			if (!SelfTestsPassed)
+				TC_BUG_CHECK (STATUS_INVALID_PARAMETER);
+
+			LoadBootArguments();
+			VolumeClassFilterRegistered = IsVolumeClassFilterRegistered();
+
+			DriverObject->DriverExtension->AddDevice = DriverAddDevice;
+		}
+
+		TCfree (startKeyValue);
+	}
+
+	for (i = 0; i <= IRP_MJ_MAXIMUM_FUNCTION; ++i)
+	{
+		DriverObject->MajorFunction[i] = TCDispatchQueueIRP;
+	}
+
+	DriverObject->DriverUnload = TCUnloadDriver;
+	return TCCreateRootDeviceObject (DriverObject);
+}
+
+
+NTSTATUS DriverAddDevice (PDRIVER_OBJECT driverObject, PDEVICE_OBJECT pdo)
+{
+#ifdef DEBUG
+	char nameInfoBuffer[128];
+	POBJECT_NAME_INFORMATION nameInfo = (POBJECT_NAME_INFORMATION) nameInfoBuffer;
+	ULONG nameInfoSize;
+	Dump ("AddDevice pdo=%p type=%x name=%ws\n", pdo, pdo->DeviceType, NT_SUCCESS (ObQueryNameString (pdo, nameInfo, sizeof (nameInfoBuffer), &nameInfoSize)) ? nameInfo->Name.Buffer : L"?");
+#endif
+
+	if (VolumeClassFilterRegistered && BootArgsValid && BootArgs.HiddenSystemPartitionStart != 0)
+	{
+		PWSTR interfaceLinks = NULL;
+		if (NT_SUCCESS (IoGetDeviceInterfaces (&GUID_DEVINTERFACE_VOLUME, pdo, DEVICE_INTERFACE_INCLUDE_NONACTIVE, &interfaceLinks)) && interfaceLinks)
+		{
+			if (interfaceLinks[0] != UNICODE_NULL)
+			{
+				Dump ("Volume pdo=%p interface=%ws\n", pdo, interfaceLinks);
+				ExFreePool (interfaceLinks);
+
+				return VolumeFilterAddDevice (driverObject, pdo);
+			}
+
+			ExFreePool (interfaceLinks);
+		}
+	}
+
+	return DriveFilterAddDevice (driverObject, pdo);
+}
+
+
+// Dumps a memory region to debug output
+void DumpMemory (void *mem, int size)
+{
+	unsigned char str[20];
+	unsigned char *m = mem;
+	int i,j;
+
+	for (j = 0; j < size / 8; j++)
+	{
+		memset (str,0,sizeof str);
+		for (i = 0; i < 8; i++) 
+		{
+			if (m[i] > ' ' && m[i] <= '~')
+				str[i]=m[i];
+			else
+				str[i]='.';
+		}
+
+		Dump ("0x%08p  %02x %02x %02x %02x %02x %02x %02x %02x  %s\n",
+			m, m[0], m[1], m[2], m[3], m[4], m[5], m[6], m[7], str);
+
+		m+=8;
+	}
+}
+
+
+BOOL ValidateIOBufferSize (PIRP irp, size_t requiredBufferSize, ValidateIOBufferSizeType type)
+{
+	PIO_STACK_LOCATION irpSp = IoGetCurrentIrpStackLocation (irp);
+	BOOL input = (type == ValidateInput || type == ValidateInputOutput);
+	BOOL output = (type == ValidateOutput || type == ValidateInputOutput);
+
+	if ((input && irpSp->Parameters.DeviceIoControl.InputBufferLength < requiredBufferSize)
+		|| (output && irpSp->Parameters.DeviceIoControl.OutputBufferLength < requiredBufferSize))
+	{
+		Dump ("STATUS_BUFFER_TOO_SMALL ioctl=0x%x,%d in=%d out=%d reqsize=%d insize=%d outsize=%d\n", (int) (irpSp->Parameters.DeviceIoControl.IoControlCode >> 16), (int) ((irpSp->Parameters.DeviceIoControl.IoControlCode & 0x1FFF) >> 2), input, output, requiredBufferSize, irpSp->Parameters.DeviceIoControl.InputBufferLength, irpSp->Parameters.DeviceIoControl.OutputBufferLength);
+
+		irp->IoStatus.Status = STATUS_BUFFER_TOO_SMALL;
+		irp->IoStatus.Information = 0;
+		return FALSE;
+	}
+
+	if (!input && output)
+		memset (irp->AssociatedIrp.SystemBuffer, 0, irpSp->Parameters.DeviceIoControl.OutputBufferLength);
+
+	return TRUE;
+}
+
+
+PDEVICE_OBJECT GetVirtualVolumeDeviceObject (int driveNumber)
+{
+	if (driveNumber < MIN_MOUNTED_VOLUME_DRIVE_NUMBER || driveNumber > MAX_MOUNTED_VOLUME_DRIVE_NUMBER)
+		return NULL;
+
+	return VirtualVolumeDeviceObjects[driveNumber];
+}
+
+
+/* TCDispatchQueueIRP queues any IRP's so that they can be processed later
+   by the thread -- or in some cases handles them immediately! */
+NTSTATUS TCDispatchQueueIRP (PDEVICE_OBJECT DeviceObject, PIRP Irp)
+{
+	PEXTENSION Extension = (PEXTENSION) DeviceObject->DeviceExtension;
+	PIO_STACK_LOCATION irpSp = IoGetCurrentIrpStackLocation (Irp);
+	NTSTATUS ntStatus;
+
+#ifdef _DEBUG
+	if (irpSp->MajorFunction == IRP_MJ_DEVICE_CONTROL && (Extension->bRootDevice || Extension->IsVolumeDevice))
+	{
+		switch (irpSp->Parameters.DeviceIoControl.IoControlCode)
+		{
+		case TC_IOCTL_GET_MOUNTED_VOLUMES:
+		case TC_IOCTL_GET_PASSWORD_CACHE_STATUS:
+		case TC_IOCTL_GET_PORTABLE_MODE_STATUS:
+		case TC_IOCTL_SET_PORTABLE_MODE_STATUS:
+		case TC_IOCTL_OPEN_TEST:
+		case TC_IOCTL_GET_RESOLVED_SYMLINK:
+		case TC_IOCTL_GET_DEVICE_REFCOUNT:
+		case TC_IOCTL_GET_DRIVE_PARTITION_INFO:
+		case TC_IOCTL_GET_BOOT_DRIVE_VOLUME_PROPERTIES:
+		case TC_IOCTL_GET_BOOT_ENCRYPTION_STATUS:
+		case TC_IOCTL_GET_DECOY_SYSTEM_WIPE_STATUS:
+		case TC_IOCTL_GET_WARNING_FLAGS:
+		case TC_IOCTL_IS_HIDDEN_SYSTEM_RUNNING:
+		case IOCTL_DISK_CHECK_VERIFY:
+			break;
+
+		default:
+			Dump ("%ls (0x%x %d)\n",
+				TCTranslateCode (irpSp->Parameters.DeviceIoControl.IoControlCode),
+				(int) (irpSp->Parameters.DeviceIoControl.IoControlCode >> 16),
+				(int) ((irpSp->Parameters.DeviceIoControl.IoControlCode & 0x1FFF) >> 2));
+		}
+	}
+#endif
+
+	if (!Extension->bRootDevice)
+	{
+		// Drive filter IRP
+		if (Extension->IsDriveFilterDevice)
+			return DriveFilterDispatchIrp (DeviceObject, Irp);
+
+		// Volume filter IRP
+		if (Extension->IsVolumeFilterDevice)
+			return VolumeFilterDispatchIrp (DeviceObject, Irp);
+	}
+
+	switch (irpSp->MajorFunction)
+	{
+	case IRP_MJ_CLOSE:
+	case IRP_MJ_CREATE:
+	case IRP_MJ_CLEANUP:
+		return COMPLETE_IRP (DeviceObject, Irp, STATUS_SUCCESS, 0);
+
+	case IRP_MJ_SHUTDOWN:
+		if (Extension->bRootDevice)
+		{
+			Dump ("Driver shutting down\n");
+			DriverShuttingDown = TRUE;
+
+			if (EncryptionSetupThread)
+				while (SendDeviceIoControlRequest (RootDeviceObject, TC_IOCTL_ABORT_BOOT_ENCRYPTION_SETUP, NULL, 0, NULL, 0) == STATUS_INSUFFICIENT_RESOURCES);
+
+			if (DecoySystemWipeThread)
+				while (SendDeviceIoControlRequest (RootDeviceObject, TC_IOCTL_ABORT_DECOY_SYSTEM_WIPE, NULL, 0, NULL, 0) == STATUS_INSUFFICIENT_RESOURCES);
+
+			OnShutdownPending();
+		}
+
+		return COMPLETE_IRP (DeviceObject, Irp, STATUS_SUCCESS, 0);
+
+	case IRP_MJ_FLUSH_BUFFERS:
+	case IRP_MJ_READ:
+	case IRP_MJ_WRITE:
+	case IRP_MJ_DEVICE_CONTROL:
+
+		if (Extension->bRootDevice)
+		{
+			if (irpSp->MajorFunction == IRP_MJ_DEVICE_CONTROL)
+			{
+				NTSTATUS status = KeWaitForMutexObject (&RootDeviceControlMutex, Executive, KernelMode, FALSE, NULL);
+				if (!NT_SUCCESS (status))
+					return status;
+
+				status = ProcessMainDeviceControlIrp (DeviceObject, Extension, Irp);
+
+				KeReleaseMutex (&RootDeviceControlMutex, FALSE);
+				return status;
+			}
+			break;
+		}
+
+		if (Extension->bShuttingDown)
+		{
+			Dump ("Device %d shutting down: STATUS_DELETE_PENDING\n", Extension->nDosDriveNo);
+			return TCCompleteDiskIrp (Irp, STATUS_DELETE_PENDING, 0);
+		}
+
+		if (Extension->bRemovable
+			&& (DeviceObject->Flags & DO_VERIFY_VOLUME)
+			&& !(irpSp->Flags & SL_OVERRIDE_VERIFY_VOLUME)
+			&& irpSp->MajorFunction != IRP_MJ_FLUSH_BUFFERS)
+		{
+			Dump ("Removable device %d has DO_VERIFY_VOLUME flag: STATUS_DEVICE_NOT_READY\n", Extension->nDosDriveNo);
+			return TCCompleteDiskIrp (Irp, STATUS_DEVICE_NOT_READY, 0);
+		}
+
+		switch (irpSp->MajorFunction)
+		{
+		case IRP_MJ_READ:
+		case IRP_MJ_WRITE:
+			ntStatus = EncryptedIoQueueAddIrp (&Extension->Queue, Irp);
+
+			if (ntStatus != STATUS_PENDING)
+				TCCompleteDiskIrp (Irp, ntStatus, 0);
+
+			return ntStatus;
+
+		case IRP_MJ_DEVICE_CONTROL:
+			ntStatus = IoAcquireRemoveLock (&Extension->Queue.RemoveLock, Irp);
+			if (!NT_SUCCESS (ntStatus))
+				return TCCompleteIrp (Irp, ntStatus, 0);
+
+			IoMarkIrpPending (Irp);
+			
+			ExInterlockedInsertTailList (&Extension->ListEntry, &Irp->Tail.Overlay.ListEntry, &Extension->ListSpinLock);
+			KeReleaseSemaphore (&Extension->RequestSemaphore, IO_DISK_INCREMENT, 1, FALSE);
+			
+			return STATUS_PENDING;
+
+		case IRP_MJ_FLUSH_BUFFERS:
+			return TCCompleteDiskIrp (Irp, STATUS_SUCCESS, 0);
+		}
+
+		break;
+
+	case IRP_MJ_PNP:
+		if (!Extension->bRootDevice
+			&& Extension->IsVolumeDevice
+			&& irpSp->MinorFunction == IRP_MN_DEVICE_USAGE_NOTIFICATION
+			&& irpSp->Parameters.UsageNotification.Type == DeviceUsageTypePaging
+			&& irpSp->Parameters.UsageNotification.InPath)
+		{
+			PagingFileCreationPrevented = TRUE;
+			return TCCompleteIrp (Irp, STATUS_UNSUCCESSFUL, 0);
+		}
+		break;
+	}
+
+	return TCCompleteIrp (Irp, STATUS_INVALID_DEVICE_REQUEST, 0);
+}
+
+NTSTATUS TCCreateRootDeviceObject (PDRIVER_OBJECT DriverObject)
+{
+	UNICODE_STRING Win32NameString, ntUnicodeString;
+	WCHAR dosname[32], ntname[32];
+	PDEVICE_OBJECT DeviceObject;
+	NTSTATUS ntStatus;
+	BOOL *bRootExtension;
+
+	Dump ("TCCreateRootDeviceObject BEGIN\n");
+	ASSERT (KeGetCurrentIrql() == PASSIVE_LEVEL);
+
+	RtlStringCbCopyW (dosname, sizeof(dosname),(LPWSTR) DOS_ROOT_PREFIX);
+	RtlStringCbCopyW (ntname, sizeof(ntname),(LPWSTR) NT_ROOT_PREFIX);
+	RtlInitUnicodeString (&ntUnicodeString, ntname);
+	RtlInitUnicodeString (&Win32NameString, dosname);
+
+	Dump ("Creating root device nt=%ls dos=%ls\n", ntname, dosname);
+	
+	ntStatus = IoCreateDevice (
+					  DriverObject,
+					  sizeof (BOOL),
+					  &ntUnicodeString,
+					  FILE_DEVICE_UNKNOWN,
+					  FILE_DEVICE_SECURE_OPEN,
+					  FALSE,
+					  &DeviceObject);
+
+	if (!NT_SUCCESS (ntStatus))
+	{
+		Dump ("TCCreateRootDeviceObject NTSTATUS = 0x%08x END\n", ntStatus);
+		return ntStatus;/* Failed to create DeviceObject */
+	}
+
+	DeviceObject->Flags |= DO_DIRECT_IO;
+	DeviceObject->AlignmentRequirement = FILE_WORD_ALIGNMENT;
+
+	/* Setup the device extension */
+	bRootExtension = (BOOL *) DeviceObject->DeviceExtension;
+	*bRootExtension = TRUE;
+
+	KeInitializeMutex (&RootDeviceControlMutex, 0);
+
+	ntStatus = IoCreateSymbolicLink (&Win32NameString, &ntUnicodeString);
+
+	if (!NT_SUCCESS (ntStatus))
+	{
+		Dump ("TCCreateRootDeviceObject NTSTATUS = 0x%08x END\n", ntStatus);
+		IoDeleteDevice (DeviceObject);
+		return ntStatus;
+	}
+
+	IoRegisterShutdownNotification (DeviceObject);
+	RootDeviceObject = DeviceObject;
+
+	Dump ("TCCreateRootDeviceObject STATUS_SUCCESS END\n");
+	return STATUS_SUCCESS;
+}
+
+NTSTATUS TCCreateDeviceObject (PDRIVER_OBJECT DriverObject,
+		       PDEVICE_OBJECT * ppDeviceObject,
+		       MOUNT_STRUCT * mount)
+{
+	UNICODE_STRING ntUnicodeString;
+	WCHAR ntname[32];
+	PEXTENSION Extension;
+	NTSTATUS ntStatus;
+	ULONG devChars = 0;
+#if defined (DEBUG)
+	WCHAR dosname[32];
+#endif
+
+	Dump ("TCCreateDeviceObject BEGIN\n");
+	ASSERT (KeGetCurrentIrql() == PASSIVE_LEVEL);
+
+	TCGetNTNameFromNumber (ntname, sizeof(ntname),mount->nDosDriveNo);
+	RtlInitUnicodeString (&ntUnicodeString, ntname);
+#if defined (DEBUG)
+	TCGetDosNameFromNumber (dosname, sizeof(dosname),mount->nDosDriveNo, DeviceNamespaceDefault);
+#endif
+
+	devChars = FILE_DEVICE_SECURE_OPEN;
+	devChars |= mount->bMountReadOnly ? FILE_READ_ONLY_DEVICE : 0;
+	devChars |= mount->bMountRemovable ? FILE_REMOVABLE_MEDIA : 0;
+
+	Dump ("Creating device nt=%ls dos=%ls\n", ntname, dosname);
+
+	ntStatus = IoCreateDevice (
+					  DriverObject,			/* Our Driver Object */
+					  sizeof (EXTENSION),	/* Size of state information */
+					  &ntUnicodeString,		/* Device name "\Device\Name" */
+					  FILE_DEVICE_DISK,		/* Device type */
+					  devChars,				/* Device characteristics */
+					  FALSE,				/* Exclusive device */
+					  ppDeviceObject);		/* Returned ptr to Device Object */
+
+	if (!NT_SUCCESS (ntStatus))
+	{
+		Dump ("TCCreateDeviceObject NTSTATUS = 0x%08x END\n", ntStatus);
+		return ntStatus;/* Failed to create DeviceObject */
+	}
+	/* Initialize device object and extension. */
+
+	(*ppDeviceObject)->Flags |= DO_DIRECT_IO;
+	(*ppDeviceObject)->StackSize += 6;		// Reduce occurrence of NO_MORE_IRP_STACK_LOCATIONS bug check caused by buggy drivers
+
+	/* Setup the device extension */
+	Extension = (PEXTENSION) (*ppDeviceObject)->DeviceExtension;
+	memset (Extension, 0, sizeof (EXTENSION));
+
+	Extension->IsVolumeDevice = TRUE;
+	Extension->nDosDriveNo = mount->nDosDriveNo;
+	Extension->bRemovable = mount->bMountRemovable;
+	Extension->PartitionInInactiveSysEncScope = mount->bPartitionInInactiveSysEncScope;
+	Extension->SystemFavorite = mount->SystemFavorite;
+
+	KeInitializeEvent (&Extension->keCreateEvent, SynchronizationEvent, FALSE);
+	KeInitializeSemaphore (&Extension->RequestSemaphore, 0L, MAXLONG);
+	KeInitializeSpinLock (&Extension->ListSpinLock);
+	InitializeListHead (&Extension->ListEntry);
+	IoInitializeRemoveLock (&Extension->Queue.RemoveLock, 'LRCV', 0, 0);
+
+	VirtualVolumeDeviceObjects[mount->nDosDriveNo] = *ppDeviceObject;
+
+	Dump ("TCCreateDeviceObject STATUS_SUCCESS END\n");
+
+	return STATUS_SUCCESS;
+}
+
+
+BOOL RootDeviceControlMutexAcquireNoWait ()
+{
+	NTSTATUS status;
+	LARGE_INTEGER timeout;
+	timeout.QuadPart = 0;
+
+	status = KeWaitForMutexObject (&RootDeviceControlMutex, Executive, KernelMode, FALSE, &timeout);
+	return NT_SUCCESS (status) && status != STATUS_TIMEOUT;
+}
+
+
+void RootDeviceControlMutexRelease ()
+{
+	KeReleaseMutex (&RootDeviceControlMutex, FALSE);
+}
+
+
+NTSTATUS ProcessVolumeDeviceControlIrp (PDEVICE_OBJECT DeviceObject, PEXTENSION Extension, PIRP Irp)
+{
+	PIO_STACK_LOCATION irpSp = IoGetCurrentIrpStackLocation (Irp);
+
+	switch (irpSp->Parameters.DeviceIoControl.IoControlCode)
+	{
+
+	case IOCTL_MOUNTDEV_QUERY_DEVICE_NAME:
+		if (!ValidateIOBufferSize (Irp, sizeof (MOUNTDEV_NAME), ValidateOutput))
+		{
+			Irp->IoStatus.Information = sizeof (MOUNTDEV_NAME);
+			Irp->IoStatus.Status = STATUS_BUFFER_OVERFLOW;
+		}
+		else
+		{
+			ULONG outLength;
+			UNICODE_STRING ntUnicodeString;
+			WCHAR ntName[256];
+			PMOUNTDEV_NAME outputBuffer = (PMOUNTDEV_NAME) Irp->AssociatedIrp.SystemBuffer;
+
+			TCGetNTNameFromNumber (ntName, sizeof(ntName),Extension->nDosDriveNo);
+			RtlInitUnicodeString (&ntUnicodeString, ntName);
+
+			outputBuffer->NameLength = ntUnicodeString.Length;
+			outLength = ntUnicodeString.Length + sizeof(USHORT);
+
+			if (irpSp->Parameters.DeviceIoControl.OutputBufferLength < outLength)
+			{
+				Irp->IoStatus.Information = sizeof (MOUNTDEV_NAME);
+				Irp->IoStatus.Status = STATUS_BUFFER_OVERFLOW;
+
+				break;
+			}
+
+			RtlCopyMemory ((PCHAR)outputBuffer->Name,ntUnicodeString.Buffer, ntUnicodeString.Length);
+
+			Irp->IoStatus.Status = STATUS_SUCCESS;
+			Irp->IoStatus.Information = outLength;
+
+			Dump ("name = %ls\n",ntName);
+		}
+		break;
+
+	case IOCTL_MOUNTDEV_QUERY_UNIQUE_ID:
+		if (!ValidateIOBufferSize (Irp, sizeof (MOUNTDEV_UNIQUE_ID), ValidateOutput))
+		{
+			Irp->IoStatus.Information = sizeof (MOUNTDEV_UNIQUE_ID);
+			Irp->IoStatus.Status = STATUS_BUFFER_OVERFLOW;
+		}
+		else
+		{
+			ULONG outLength;
+			UCHAR volId[128], tmp[] = { 0,0 };
+			PMOUNTDEV_UNIQUE_ID outputBuffer = (PMOUNTDEV_UNIQUE_ID) Irp->AssociatedIrp.SystemBuffer;
+
+			RtlStringCbCopyA (volId, sizeof(volId),TC_UNIQUE_ID_PREFIX); 
+			tmp[0] = 'A' + (UCHAR) Extension->nDosDriveNo;
+			RtlStringCbCatA (volId, sizeof(volId),tmp);
+			
+			outputBuffer->UniqueIdLength = (USHORT) strlen (volId);
+			outLength = (ULONG) (strlen (volId) + sizeof (USHORT));
+
+			if (irpSp->Parameters.DeviceIoControl.OutputBufferLength < outLength)
+			{
+				Irp->IoStatus.Information = sizeof (MOUNTDEV_UNIQUE_ID);
+				Irp->IoStatus.Status = STATUS_BUFFER_OVERFLOW;
+				break;
+			}
+
+			RtlCopyMemory ((PCHAR)outputBuffer->UniqueId, volId, strlen (volId));
+
+			Irp->IoStatus.Status = STATUS_SUCCESS;
+			Irp->IoStatus.Information = outLength;
+
+			Dump ("id = %s\n",volId);
+		}
+		break;
+
+	case IOCTL_MOUNTDEV_QUERY_SUGGESTED_LINK_NAME:
+		{
+			ULONG outLength;
+			UNICODE_STRING ntUnicodeString;
+			WCHAR ntName[256];
+			PMOUNTDEV_SUGGESTED_LINK_NAME outputBuffer = (PMOUNTDEV_SUGGESTED_LINK_NAME) Irp->AssociatedIrp.SystemBuffer;
+
+			if (!ValidateIOBufferSize (Irp, sizeof (MOUNTDEV_SUGGESTED_LINK_NAME), ValidateOutput))
+			{
+				Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
+				Irp->IoStatus.Information = 0;
+				break; 
+			}
+
+			TCGetDosNameFromNumber (ntName, sizeof(ntName),Extension->nDosDriveNo, DeviceNamespaceDefault);
+			RtlInitUnicodeString (&ntUnicodeString, ntName);
+
+			outLength = FIELD_OFFSET(MOUNTDEV_SUGGESTED_LINK_NAME,Name) + ntUnicodeString.Length;
+
+			outputBuffer->UseOnlyIfThereAreNoOtherLinks = FALSE;
+			outputBuffer->NameLength = ntUnicodeString.Length;
+
+			if(irpSp->Parameters.DeviceIoControl.OutputBufferLength < outLength)
+			{
+				Irp->IoStatus.Information = sizeof (MOUNTDEV_SUGGESTED_LINK_NAME);
+				Irp->IoStatus.Status = STATUS_BUFFER_OVERFLOW;
+				break;
+			}
+
+			RtlCopyMemory ((PCHAR)outputBuffer->Name,ntUnicodeString.Buffer, ntUnicodeString.Length);
+		
+			Irp->IoStatus.Status = STATUS_SUCCESS;
+			Irp->IoStatus.Information = outLength;
+
+			Dump ("link = %ls\n",ntName);
+		}
+		break;
+
+	case IOCTL_DISK_GET_MEDIA_TYPES:
+	case IOCTL_DISK_GET_DRIVE_GEOMETRY:
+		/* Return the drive geometry for the disk.  Note that we
+		   return values which were made up to suit the disk size.  */
+		if (ValidateIOBufferSize (Irp, sizeof (DISK_GEOMETRY), ValidateOutput))
+		{
+			PDISK_GEOMETRY outputBuffer = (PDISK_GEOMETRY)
+			Irp->AssociatedIrp.SystemBuffer;
+
+			outputBuffer->MediaType = Extension->bRemovable ? RemovableMedia : FixedMedia;
+			outputBuffer->Cylinders.QuadPart = Extension->NumberOfCylinders;
+			outputBuffer->TracksPerCylinder = Extension->TracksPerCylinder;
+			outputBuffer->SectorsPerTrack = Extension->SectorsPerTrack;
+			outputBuffer->BytesPerSector = Extension->BytesPerSector;
+			Irp->IoStatus.Status = STATUS_SUCCESS;
+			Irp->IoStatus.Information = sizeof (DISK_GEOMETRY);
+		}
+		break;
+
+	case IOCTL_STORAGE_QUERY_PROPERTY:
+		if (EnableExtendedIoctlSupport)
+		{
+			if (ValidateIOBufferSize (Irp, sizeof (STORAGE_PROPERTY_QUERY), ValidateInput))
+			{			
+				PSTORAGE_PROPERTY_QUERY pStoragePropQuery = (PSTORAGE_PROPERTY_QUERY) Irp->AssociatedIrp.SystemBuffer;
+				STORAGE_QUERY_TYPE type = pStoragePropQuery->QueryType;
+
+				/* return error if an unsupported type is encountered */
+				Irp->IoStatus.Status = STATUS_INVALID_DEVICE_REQUEST;
+				Irp->IoStatus.Information = 0;
+
+				if (	(pStoragePropQuery->PropertyId == StorageAccessAlignmentProperty)
+					||	(pStoragePropQuery->PropertyId == StorageDeviceProperty)
+					)
+				{
+					if (type == PropertyExistsQuery)
+					{
+						Irp->IoStatus.Status = STATUS_SUCCESS;
+						Irp->IoStatus.Information = 0;
+					}
+					else if (type == PropertyStandardQuery)
+					{
+						switch (pStoragePropQuery->PropertyId)
+						{
+							case StorageDeviceProperty:
+								{
+									if (ValidateIOBufferSize (Irp, sizeof (STORAGE_DEVICE_DESCRIPTOR), ValidateOutput))
+									{
+										PSTORAGE_DEVICE_DESCRIPTOR outputBuffer = (PSTORAGE_DEVICE_DESCRIPTOR) Irp->AssociatedIrp.SystemBuffer;
+
+										outputBuffer->Version = sizeof(STORAGE_DEVICE_DESCRIPTOR);
+										outputBuffer->Size = sizeof(STORAGE_DEVICE_DESCRIPTOR);
+										outputBuffer->DeviceType = FILE_DEVICE_DISK;
+										outputBuffer->RemovableMedia = Extension->bRemovable? TRUE : FALSE;
+										Irp->IoStatus.Status = STATUS_SUCCESS;
+										Irp->IoStatus.Information = sizeof (STORAGE_DEVICE_DESCRIPTOR);
+									}
+								}
+								break;
+							case StorageAccessAlignmentProperty:
+								{
+									if (ValidateIOBufferSize (Irp, sizeof (STORAGE_ACCESS_ALIGNMENT_DESCRIPTOR), ValidateOutput))
+									{
+										PSTORAGE_ACCESS_ALIGNMENT_DESCRIPTOR outputBuffer = (PSTORAGE_ACCESS_ALIGNMENT_DESCRIPTOR) Irp->AssociatedIrp.SystemBuffer;
+
+										outputBuffer->Version = sizeof(STORAGE_ACCESS_ALIGNMENT_DESCRIPTOR);
+										outputBuffer->Size = sizeof(STORAGE_ACCESS_ALIGNMENT_DESCRIPTOR);
+										outputBuffer->BytesPerLogicalSector = Extension->BytesPerSector;
+										outputBuffer->BytesPerPhysicalSector = Extension->HostBytesPerPhysicalSector;
+										outputBuffer->BytesOffsetForSectorAlignment = Extension->BytesOffsetForSectorAlignment;
+										Irp->IoStatus.Status = STATUS_SUCCESS;
+										Irp->IoStatus.Information = sizeof (STORAGE_ACCESS_ALIGNMENT_DESCRIPTOR);
+									}
+								}
+								break;
+						}
+					}
+				}
+			}
+		}
+		else
+			return TCCompleteIrp (Irp, STATUS_INVALID_DEVICE_REQUEST, 0);
+		
+		break;
+
+	case IOCTL_DISK_GET_PARTITION_INFO:
+		if (ValidateIOBufferSize (Irp, sizeof (PARTITION_INFORMATION), ValidateOutput))
+		{
+			PPARTITION_INFORMATION outputBuffer = (PPARTITION_INFORMATION)
+			Irp->AssociatedIrp.SystemBuffer;
+
+			outputBuffer->PartitionType = Extension->PartitionType;
+			outputBuffer->BootIndicator = FALSE;
+			outputBuffer->RecognizedPartition = TRUE;
+			outputBuffer->RewritePartition = FALSE;
+			outputBuffer->StartingOffset.QuadPart = Extension->BytesPerSector;
+			outputBuffer->PartitionLength.QuadPart= Extension->DiskLength;
+			outputBuffer->HiddenSectors = 0;
+			Irp->IoStatus.Status = STATUS_SUCCESS;
+			Irp->IoStatus.Information = sizeof (PARTITION_INFORMATION);
+		}
+		break;
+
+	case IOCTL_DISK_GET_PARTITION_INFO_EX:
+		if (ValidateIOBufferSize (Irp, sizeof (PARTITION_INFORMATION_EX), ValidateOutput))
+		{
+			PPARTITION_INFORMATION_EX outputBuffer = (PPARTITION_INFORMATION_EX) Irp->AssociatedIrp.SystemBuffer;
+
+			outputBuffer->PartitionStyle = PARTITION_STYLE_MBR;
+			outputBuffer->RewritePartition = FALSE;
+			outputBuffer->StartingOffset.QuadPart = Extension->BytesPerSector;
+			outputBuffer->PartitionLength.QuadPart= Extension->DiskLength;
+			outputBuffer->Mbr.PartitionType = Extension->PartitionType;
+			outputBuffer->Mbr.BootIndicator = FALSE;
+			outputBuffer->Mbr.RecognizedPartition = TRUE;
+			outputBuffer->Mbr.HiddenSectors = 0;
+			Irp->IoStatus.Status = STATUS_SUCCESS;
+			Irp->IoStatus.Information = sizeof (PARTITION_INFORMATION_EX);
+		}
+		break;
+
+	case IOCTL_DISK_GET_DRIVE_LAYOUT:
+		if (ValidateIOBufferSize (Irp, sizeof (DRIVE_LAYOUT_INFORMATION), ValidateOutput))
+		{
+			PDRIVE_LAYOUT_INFORMATION outputBuffer = (PDRIVE_LAYOUT_INFORMATION)
+			Irp->AssociatedIrp.SystemBuffer;
+
+			outputBuffer->PartitionCount = 1;
+			outputBuffer->Signature = 0;
+
+			outputBuffer->PartitionEntry->PartitionType = Extension->PartitionType;
+			outputBuffer->PartitionEntry->BootIndicator = FALSE;
+			outputBuffer->PartitionEntry->RecognizedPartition = TRUE;
+			outputBuffer->PartitionEntry->RewritePartition = FALSE;
+			outputBuffer->PartitionEntry->StartingOffset.QuadPart = Extension->BytesPerSector;
+			outputBuffer->PartitionEntry->PartitionLength.QuadPart = Extension->DiskLength;
+			outputBuffer->PartitionEntry->HiddenSectors = 0;
+
+			Irp->IoStatus.Status = STATUS_SUCCESS;
+			Irp->IoStatus.Information = sizeof (PARTITION_INFORMATION);
+		}
+		break;
+
+	case IOCTL_DISK_GET_LENGTH_INFO:
+		if (!ValidateIOBufferSize (Irp, sizeof (GET_LENGTH_INFORMATION), ValidateOutput))
+		{
+			Irp->IoStatus.Status = STATUS_BUFFER_OVERFLOW;
+			Irp->IoStatus.Information = sizeof (GET_LENGTH_INFORMATION);
+		}
+		else
+		{
+			PGET_LENGTH_INFORMATION outputBuffer = (PGET_LENGTH_INFORMATION) Irp->AssociatedIrp.SystemBuffer;
+
+			outputBuffer->Length.QuadPart = Extension->DiskLength;
+			Irp->IoStatus.Status = STATUS_SUCCESS;
+			Irp->IoStatus.Information = sizeof (GET_LENGTH_INFORMATION);
+		}
+		break;
+
+	case IOCTL_DISK_VERIFY:
+		if (ValidateIOBufferSize (Irp, sizeof (VERIFY_INFORMATION), ValidateInput))
+		{
+			HRESULT hResult;
+			ULONGLONG ullStartingOffset, ullNewOffset, ullEndOffset; 
+			PVERIFY_INFORMATION pVerifyInformation;
+			pVerifyInformation = (PVERIFY_INFORMATION) Irp->AssociatedIrp.SystemBuffer;
+
+			ullStartingOffset = (ULONGLONG) pVerifyInformation->StartingOffset.QuadPart;
+			hResult = ULongLongAdd(ullStartingOffset, 
+				(ULONGLONG) Extension->cryptoInfo->hiddenVolume ? Extension->cryptoInfo->hiddenVolumeOffset : Extension->cryptoInfo->volDataAreaOffset, 
+				&ullNewOffset);
+			if (hResult != S_OK)
+				Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
+			else if (S_OK != ULongLongAdd(ullStartingOffset, (ULONGLONG) pVerifyInformation->Length, &ullEndOffset))
+				Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
+			else if (ullEndOffset > (ULONGLONG) Extension->DiskLength)
+				Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
+			else
+			{
+				IO_STATUS_BLOCK ioStatus;
+				PVOID buffer = TCalloc (max (pVerifyInformation->Length, PAGE_SIZE));
+				
+				if (!buffer)
+				{
+					Irp->IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
+				}
+				else
+				{
+					LARGE_INTEGER offset = pVerifyInformation->StartingOffset;
+					offset.QuadPart = ullNewOffset;
+
+					Irp->IoStatus.Status = ZwReadFile (Extension->hDeviceFile, NULL, NULL, NULL, &ioStatus, buffer, pVerifyInformation->Length, &offset, NULL);
+					TCfree (buffer);
+
+					if (NT_SUCCESS (Irp->IoStatus.Status) && ioStatus.Information != pVerifyInformation->Length)
+						Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
+				}
+			}
+
+			Irp->IoStatus.Information = 0;
+		}
+		break;
+
+	case IOCTL_DISK_CHECK_VERIFY:
+	case IOCTL_STORAGE_CHECK_VERIFY:
+		{
+			Irp->IoStatus.Status = STATUS_SUCCESS;
+			Irp->IoStatus.Information = 0;
+
+			if (irpSp->Parameters.DeviceIoControl.OutputBufferLength >= sizeof (ULONG))
+			{
+				*((ULONG *) Irp->AssociatedIrp.SystemBuffer) = 0;
+				Irp->IoStatus.Information = sizeof (ULONG);
+			}
+		}
+		break;
+
+	case IOCTL_DISK_IS_WRITABLE:
+		{
+			if (Extension->bReadOnly)
+				Irp->IoStatus.Status = STATUS_MEDIA_WRITE_PROTECTED;
+			else
+				Irp->IoStatus.Status = STATUS_SUCCESS;
+			Irp->IoStatus.Information = 0;
+
+		}
+		break;
+		
+	case IOCTL_VOLUME_ONLINE:
+		Irp->IoStatus.Status = STATUS_SUCCESS;
+		Irp->IoStatus.Information = 0;
+		break;
+
+	case IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS:
+
+		// Vista's filesystem defragmenter fails if IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS does not succeed.
+		if (!(OsMajorVersion == 6 && OsMinorVersion == 0))
+		{
+			Irp->IoStatus.Status = STATUS_INVALID_DEVICE_REQUEST;
+			Irp->IoStatus.Information = 0;
+		}
+		else if (ValidateIOBufferSize (Irp, sizeof (VOLUME_DISK_EXTENTS), ValidateOutput))
+		{
+			VOLUME_DISK_EXTENTS *extents = (VOLUME_DISK_EXTENTS *) Irp->AssociatedIrp.SystemBuffer;
+
+			// No extent data can be returned as this is not a physical drive.
+			memset (extents, 0, sizeof (*extents));
+			extents->NumberOfDiskExtents = 0;
+
+			Irp->IoStatus.Status = STATUS_SUCCESS;
+			Irp->IoStatus.Information = sizeof (*extents);
+		}
+		break;
+
+	default:
+		return TCCompleteIrp (Irp, STATUS_INVALID_DEVICE_REQUEST, 0);
+	}
+
+#ifdef DEBUG
+	if (!NT_SUCCESS (Irp->IoStatus.Status))
+	{
+		Dump ("IOCTL error 0x%08x (0x%x %d)\n",
+			Irp->IoStatus.Status,
+			(int) (irpSp->Parameters.DeviceIoControl.IoControlCode >> 16),
+			(int) ((irpSp->Parameters.DeviceIoControl.IoControlCode & 0x1FFF) >> 2));
+	}
+#endif
+
+	return TCCompleteDiskIrp (Irp, Irp->IoStatus.Status, Irp->IoStatus.Information);
+}
+
+
+NTSTATUS ProcessMainDeviceControlIrp (PDEVICE_OBJECT DeviceObject, PEXTENSION Extension, PIRP Irp)
+{
+	PIO_STACK_LOCATION irpSp = IoGetCurrentIrpStackLocation (Irp);
+	NTSTATUS ntStatus;
+
+	switch (irpSp->Parameters.DeviceIoControl.IoControlCode)
+	{
+	case TC_IOCTL_GET_DRIVER_VERSION:
+	case TC_IOCTL_LEGACY_GET_DRIVER_VERSION:
+		if (ValidateIOBufferSize (Irp, sizeof (LONG), ValidateOutput))
+		{
+			LONG tmp = VERSION_NUM;
+			memcpy (Irp->AssociatedIrp.SystemBuffer, &tmp, 4);
+			Irp->IoStatus.Information = sizeof (LONG);
+			Irp->IoStatus.Status = STATUS_SUCCESS;
+		}
+		break;
+
+	case TC_IOCTL_GET_DEVICE_REFCOUNT:
+		if (ValidateIOBufferSize (Irp, sizeof (int), ValidateOutput))
+		{
+			*(int *) Irp->AssociatedIrp.SystemBuffer = DeviceObject->ReferenceCount;
+			Irp->IoStatus.Information = sizeof (int);
+			Irp->IoStatus.Status = STATUS_SUCCESS;
+		}
+		break;
+
+	case TC_IOCTL_IS_DRIVER_UNLOAD_DISABLED:
+		if (ValidateIOBufferSize (Irp, sizeof (int), ValidateOutput))
+		{
+			LONG deviceObjectCount = 0;
+
+			*(int *) Irp->AssociatedIrp.SystemBuffer = DriverUnloadDisabled;
+
+			if (IoEnumerateDeviceObjectList (TCDriverObject, NULL, 0, &deviceObjectCount) == STATUS_BUFFER_TOO_SMALL && deviceObjectCount > 1)
+				*(int *) Irp->AssociatedIrp.SystemBuffer = TRUE;
+
+			Irp->IoStatus.Information = sizeof (int);
+			Irp->IoStatus.Status = STATUS_SUCCESS;
+		}
+		break;
+
+	case TC_IOCTL_IS_ANY_VOLUME_MOUNTED:
+		if (ValidateIOBufferSize (Irp, sizeof (int), ValidateOutput))
+		{
+			int drive;
+			*(int *) Irp->AssociatedIrp.SystemBuffer = 0;
+
+			for (drive = MIN_MOUNTED_VOLUME_DRIVE_NUMBER; drive <= MAX_MOUNTED_VOLUME_DRIVE_NUMBER; ++drive)
+			{
+				if (GetVirtualVolumeDeviceObject (drive))
+				{
+					*(int *) Irp->AssociatedIrp.SystemBuffer = 1;
+					break;
+				}
+			}
+
+			if (IsBootDriveMounted())
+				*(int *) Irp->AssociatedIrp.SystemBuffer = 1;
+
+			Irp->IoStatus.Information = sizeof (int);
+			Irp->IoStatus.Status = STATUS_SUCCESS;
+		}
+		break;
+
+	case TC_IOCTL_OPEN_TEST:
+		{
+			OPEN_TEST_STRUCT *opentest = (OPEN_TEST_STRUCT *) Irp->AssociatedIrp.SystemBuffer;
+			OBJECT_ATTRIBUTES ObjectAttributes;
+			HANDLE NtFileHandle;
+			UNICODE_STRING FullFileName;
+			IO_STATUS_BLOCK IoStatus;
+			LARGE_INTEGER offset;
+			ACCESS_MASK access = FILE_READ_ATTRIBUTES;
+
+			if (!ValidateIOBufferSize (Irp, sizeof (OPEN_TEST_STRUCT), ValidateInputOutput))
+				break;
+
+			EnsureNullTerminatedString (opentest->wszFileName, sizeof (opentest->wszFileName));
+			RtlInitUnicodeString (&FullFileName, opentest->wszFileName);
+
+			InitializeObjectAttributes (&ObjectAttributes, &FullFileName, OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE, NULL, NULL);
+
+			if (opentest->bDetectTCBootLoader || opentest->DetectFilesystem || opentest->bMatchVolumeID)
+				access |= FILE_READ_DATA;
+
+			ntStatus = ZwCreateFile (&NtFileHandle,
+						 SYNCHRONIZE | access, &ObjectAttributes, &IoStatus, NULL,
+						 0, FILE_SHARE_READ | FILE_SHARE_WRITE, FILE_OPEN, FILE_SYNCHRONOUS_IO_NONALERT, NULL, 0);
+
+			if (NT_SUCCESS (ntStatus))
+			{
+				opentest->TCBootLoaderDetected = FALSE;
+				opentest->FilesystemDetected = FALSE;
+				opentest->VolumeIDMatched = FALSE;
+
+				if (opentest->bDetectTCBootLoader || opentest->DetectFilesystem || opentest->bMatchVolumeID)
+				{
+					byte *readBuffer = TCalloc (TC_MAX_VOLUME_SECTOR_SIZE);
+					if (!readBuffer)
+					{
+						ntStatus = STATUS_INSUFFICIENT_RESOURCES;
+					}
+					else
+					{
+						if (opentest->bDetectTCBootLoader || opentest->DetectFilesystem)
+						{
+							// Determine if the first sector contains a portion of the VeraCrypt Boot Loader
+
+							offset.QuadPart = 0;
+
+							ntStatus = ZwReadFile (NtFileHandle,
+								NULL,
+								NULL,
+								NULL,
+								&IoStatus,
+								readBuffer,
+								TC_MAX_VOLUME_SECTOR_SIZE,
+								&offset,
+								NULL);
+
+							if (NT_SUCCESS (ntStatus))
+							{
+								size_t i;
+
+								if (opentest->bDetectTCBootLoader && IoStatus.Information >= TC_SECTOR_SIZE_BIOS)
+								{
+									// Search for the string "VeraCrypt"
+									for (i = 0; i < TC_SECTOR_SIZE_BIOS - strlen (TC_APP_NAME); ++i)
+									{
+										if (memcmp (readBuffer + i, TC_APP_NAME, strlen (TC_APP_NAME)) == 0)
+										{
+											opentest->TCBootLoaderDetected = TRUE;
+											break;
+										}
+									}
+								}
+
+								if (opentest->DetectFilesystem && IoStatus.Information >= sizeof (int64))
+								{
+									switch (BE64 (*(uint64 *) readBuffer))
+									{
+									case 0xEB52904E54465320: // NTFS
+									case 0xEB3C904D53444F53: // FAT16
+									case 0xEB58904D53444F53: // FAT32
+									case 0xEB76904558464154: // exFAT
+
+										opentest->FilesystemDetected = TRUE;
+										break;
+									}
+								}
+							}
+						}
+
+						if (opentest->bMatchVolumeID)
+						{
+							int volumeType;
+							BYTE volumeID[VOLUME_ID_SIZE];
+
+							// Go through all volume types (e.g., normal, hidden)
+							for (volumeType = TC_VOLUME_TYPE_NORMAL;
+								volumeType < TC_VOLUME_TYPE_COUNT;
+								volumeType++)	
+							{
+								/* Read the volume header */
+								switch (volumeType)
+								{
+								case TC_VOLUME_TYPE_NORMAL:
+									offset.QuadPart = TC_VOLUME_HEADER_OFFSET;
+									break;
+
+								case TC_VOLUME_TYPE_HIDDEN:
+
+									offset.QuadPart = TC_HIDDEN_VOLUME_HEADER_OFFSET;
+									break;
+								}
+
+								ntStatus = ZwReadFile (NtFileHandle,
+								NULL,
+								NULL,
+								NULL,
+								&IoStatus,
+								readBuffer,
+								TC_MAX_VOLUME_SECTOR_SIZE,
+								&offset,
+								NULL);
+
+								if (NT_SUCCESS (ntStatus))
+								{
+									/* compute the ID of this volume: SHA-256 of the effective header */
+									sha256 (volumeID, readBuffer, TC_VOLUME_HEADER_EFFECTIVE_SIZE);
+
+									if (0 == memcmp (volumeID, opentest->volumeID, VOLUME_ID_SIZE))
+									{
+										opentest->VolumeIDMatched = TRUE;
+										break;
+									}
+								}
+							}
+						}
+
+						TCfree (readBuffer);
+					}
+				}
+
+				ZwClose (NtFileHandle);
+				Dump ("Open test on file %ls success.\n", opentest->wszFileName);
+			}
+			else
+			{
+#if 0
+				Dump ("Open test on file %ls failed NTSTATUS 0x%08x\n", opentest->wszFileName, ntStatus);
+#endif
+			}
+
+			Irp->IoStatus.Information = NT_SUCCESS (ntStatus) ? sizeof (OPEN_TEST_STRUCT) : 0;
+			Irp->IoStatus.Status = ntStatus;
+		}
+		break;
+
+	case TC_IOCTL_GET_SYSTEM_DRIVE_CONFIG:
+		{
+			GetSystemDriveConfigurationRequest *request = (GetSystemDriveConfigurationRequest *) Irp->AssociatedIrp.SystemBuffer;
+			OBJECT_ATTRIBUTES ObjectAttributes;
+			HANDLE NtFileHandle;
+			UNICODE_STRING FullFileName;
+			IO_STATUS_BLOCK IoStatus;
+			LARGE_INTEGER offset;
+			byte readBuffer [TC_SECTOR_SIZE_BIOS];
+				
+			if (!ValidateIOBufferSize (Irp, sizeof (GetSystemDriveConfigurationRequest), ValidateInputOutput))
+				break;
+
+			EnsureNullTerminatedString (request->DevicePath, sizeof (request->DevicePath));
+			RtlInitUnicodeString (&FullFileName, request->DevicePath);
+
+			InitializeObjectAttributes (&ObjectAttributes, &FullFileName, OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE, NULL, NULL);
+
+			ntStatus = ZwCreateFile (&NtFileHandle,
+				SYNCHRONIZE | GENERIC_READ, &ObjectAttributes, &IoStatus, NULL,
+				FILE_ATTRIBUTE_NORMAL, FILE_SHARE_READ | FILE_SHARE_WRITE, FILE_OPEN, FILE_SYNCHRONOUS_IO_NONALERT | FILE_RANDOM_ACCESS, NULL, 0);
+
+			if (NT_SUCCESS (ntStatus))
+			{
+				// Determine if the first sector contains a portion of the VeraCrypt Boot Loader
+				offset.QuadPart = 0;	// MBR
+
+				ntStatus = ZwReadFile (NtFileHandle,
+					NULL,
+					NULL,
+					NULL,
+					&IoStatus,
+					readBuffer,
+					sizeof(readBuffer),
+					&offset,
+					NULL);
+
+				if (NT_SUCCESS (ntStatus))
+				{
+					size_t i;
+
+					// Check for dynamic drive
+					request->DriveIsDynamic = FALSE;
+
+					if (readBuffer[510] == 0x55 && readBuffer[511] == 0xaa)
+					{
+						int i;
+						for (i = 0; i < 4; ++i)
+						{
+							if (readBuffer[446 + i * 16 + 4] == PARTITION_LDM)
+							{
+								request->DriveIsDynamic = TRUE;
+								break;
+							}
+						}
+					}
+
+					request->BootLoaderVersion = 0;
+					request->Configuration = 0;
+					request->UserConfiguration = 0;
+					request->CustomUserMessage[0] = 0;
+
+					// Search for the string "VeraCrypt"
+					for (i = 0; i < sizeof (readBuffer) - strlen (TC_APP_NAME); ++i)
+					{
+						if (memcmp (readBuffer + i, TC_APP_NAME, strlen (TC_APP_NAME)) == 0)
+						{
+							request->BootLoaderVersion = BE16 (*(uint16 *) (readBuffer + TC_BOOT_SECTOR_VERSION_OFFSET));
+							request->Configuration = readBuffer[TC_BOOT_SECTOR_CONFIG_OFFSET];
+
+							if (request->BootLoaderVersion != 0 && request->BootLoaderVersion <= VERSION_NUM)
+							{
+								request->UserConfiguration = readBuffer[TC_BOOT_SECTOR_USER_CONFIG_OFFSET];
+								memcpy (request->CustomUserMessage, readBuffer + TC_BOOT_SECTOR_USER_MESSAGE_OFFSET, TC_BOOT_SECTOR_USER_MESSAGE_MAX_LENGTH);
+							}
+							break;
+						}
+					}
+
+					Irp->IoStatus.Status = STATUS_SUCCESS;
+					Irp->IoStatus.Information = sizeof (*request);
+				}
+				else
+				{
+					Irp->IoStatus.Status = ntStatus;
+					Irp->IoStatus.Information = 0;
+				}
+
+				ZwClose (NtFileHandle);
+
+			}
+			else
+			{
+				Irp->IoStatus.Status = ntStatus;
+				Irp->IoStatus.Information = 0;
+			}
+		}
+		break;
+
+	case TC_IOCTL_WIPE_PASSWORD_CACHE:
+		WipeCache ();
+
+		Irp->IoStatus.Status = STATUS_SUCCESS;
+		Irp->IoStatus.Information = 0;
+		break;
+
+	case TC_IOCTL_GET_PASSWORD_CACHE_STATUS:
+		Irp->IoStatus.Status = cacheEmpty ? STATUS_PIPE_EMPTY : STATUS_SUCCESS;
+		Irp->IoStatus.Information = 0;
+		break;
+
+	case TC_IOCTL_SET_PORTABLE_MODE_STATUS:
+		if (!UserCanAccessDriveDevice())
+		{
+			Irp->IoStatus.Status = STATUS_ACCESS_DENIED;
+			Irp->IoStatus.Information = 0;
+		}
+		else
+		{
+			PortableMode = TRUE;
+			Dump ("Setting portable mode\n");
+		}
+		break;
+
+	case TC_IOCTL_GET_PORTABLE_MODE_STATUS:
+		Irp->IoStatus.Status = PortableMode ? STATUS_SUCCESS : STATUS_PIPE_EMPTY;
+		Irp->IoStatus.Information = 0;
+		break;
+
+	case TC_IOCTL_GET_MOUNTED_VOLUMES:
+
+		if (ValidateIOBufferSize (Irp, sizeof (MOUNT_LIST_STRUCT), ValidateOutput))
+		{
+			MOUNT_LIST_STRUCT *list = (MOUNT_LIST_STRUCT *) Irp->AssociatedIrp.SystemBuffer;
+			PDEVICE_OBJECT ListDevice;
+			int drive;
+
+			list->ulMountedDrives = 0;
+
+			for (drive = MIN_MOUNTED_VOLUME_DRIVE_NUMBER; drive <= MAX_MOUNTED_VOLUME_DRIVE_NUMBER; ++drive)
+			{
+				PEXTENSION ListExtension;
+				
+				ListDevice = GetVirtualVolumeDeviceObject (drive);
+				if (!ListDevice)
+					continue;
+
+				ListExtension = (PEXTENSION) ListDevice->DeviceExtension;
+				if (IsVolumeAccessibleByCurrentUser (ListExtension))
+				{
+					list->ulMountedDrives |= (1 << ListExtension->nDosDriveNo);
+					RtlStringCbCopyW (list->wszVolume[ListExtension->nDosDriveNo], sizeof(list->wszVolume[ListExtension->nDosDriveNo]),ListExtension->wszVolume);
+					RtlStringCbCopyW (list->wszLabel[ListExtension->nDosDriveNo], sizeof(list->wszLabel[ListExtension->nDosDriveNo]),ListExtension->wszLabel);
+					memcpy (list->volumeID[ListExtension->nDosDriveNo], ListExtension->volumeID, VOLUME_ID_SIZE);
+					list->diskLength[ListExtension->nDosDriveNo] = ListExtension->DiskLength;
+					list->ea[ListExtension->nDosDriveNo] = ListExtension->cryptoInfo->ea;
+					if (ListExtension->cryptoInfo->hiddenVolume)
+						list->volumeType[ListExtension->nDosDriveNo] = PROP_VOL_TYPE_HIDDEN;	// Hidden volume
+					else if (ListExtension->cryptoInfo->bHiddenVolProtectionAction)
+						list->volumeType[ListExtension->nDosDriveNo] = PROP_VOL_TYPE_OUTER_VOL_WRITE_PREVENTED;	// Normal/outer volume (hidden volume protected AND write already prevented)
+					else if (ListExtension->cryptoInfo->bProtectHiddenVolume)
+						list->volumeType[ListExtension->nDosDriveNo] = PROP_VOL_TYPE_OUTER;	// Normal/outer volume (hidden volume protected)
+					else
+						list->volumeType[ListExtension->nDosDriveNo] = PROP_VOL_TYPE_NORMAL;	// Normal volume
+					list->truecryptMode[ListExtension->nDosDriveNo] = ListExtension->cryptoInfo->bTrueCryptMode;
+				}
+			}
+
+			Irp->IoStatus.Status = STATUS_SUCCESS;
+			Irp->IoStatus.Information = sizeof (MOUNT_LIST_STRUCT);
+		}
+		break;
+
+	case TC_IOCTL_LEGACY_GET_MOUNTED_VOLUMES:
+		if (ValidateIOBufferSize (Irp, sizeof (uint32), ValidateOutput))
+		{
+			// Prevent the user from downgrading to versions lower than 5.0 by faking mounted volumes.
+			// The user could render the system unbootable by downgrading when boot encryption
+			// is active or being set up.
+
+			memset (Irp->AssociatedIrp.SystemBuffer, 0, irpSp->Parameters.DeviceIoControl.OutputBufferLength);
+			*(uint32 *) Irp->AssociatedIrp.SystemBuffer = 0xffffFFFF;
+
+			Irp->IoStatus.Status = STATUS_SUCCESS;
+			Irp->IoStatus.Information = irpSp->Parameters.DeviceIoControl.OutputBufferLength;
+		}
+		break;
+
+	case TC_IOCTL_GET_VOLUME_PROPERTIES:
+		if (ValidateIOBufferSize (Irp, sizeof (VOLUME_PROPERTIES_STRUCT), ValidateInputOutput))
+		{
+			VOLUME_PROPERTIES_STRUCT *prop = (VOLUME_PROPERTIES_STRUCT *) Irp->AssociatedIrp.SystemBuffer;
+			PDEVICE_OBJECT ListDevice = GetVirtualVolumeDeviceObject (prop->driveNo);
+
+			Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
+			Irp->IoStatus.Information = 0;
+
+			if (ListDevice)
+			{
+				PEXTENSION ListExtension = (PEXTENSION) ListDevice->DeviceExtension;
+				if (IsVolumeAccessibleByCurrentUser (ListExtension))
+				{
+					prop->uniqueId = ListExtension->UniqueVolumeId;
+					RtlStringCbCopyW (prop->wszVolume, sizeof(prop->wszVolume),ListExtension->wszVolume);
+					RtlStringCbCopyW (prop->wszLabel, sizeof(prop->wszLabel),ListExtension->wszLabel);
+					memcpy (prop->volumeID, ListExtension->volumeID, VOLUME_ID_SIZE);
+					prop->bDriverSetLabel = ListExtension->bDriverSetLabel;
+					prop->diskLength = ListExtension->DiskLength;
+					prop->ea = ListExtension->cryptoInfo->ea;
+					prop->mode = ListExtension->cryptoInfo->mode;
+					prop->pkcs5 = ListExtension->cryptoInfo->pkcs5;
+					prop->pkcs5Iterations = ListExtension->cryptoInfo->noIterations;
+					prop->volumePim = ListExtension->cryptoInfo->volumePim;
+#if 0
+					prop->volumeCreationTime = ListExtension->cryptoInfo->volume_creation_time;
+					prop->headerCreationTime = ListExtension->cryptoInfo->header_creation_time;
+#endif
+					prop->volumeHeaderFlags = ListExtension->cryptoInfo->HeaderFlags;
+					prop->readOnly = ListExtension->bReadOnly;
+					prop->removable = ListExtension->bRemovable;
+					prop->partitionInInactiveSysEncScope = ListExtension->PartitionInInactiveSysEncScope;
+					prop->hiddenVolume = ListExtension->cryptoInfo->hiddenVolume;
+
+					if (ListExtension->cryptoInfo->bProtectHiddenVolume)
+						prop->hiddenVolProtection = ListExtension->cryptoInfo->bHiddenVolProtectionAction ? HIDVOL_PROT_STATUS_ACTION_TAKEN : HIDVOL_PROT_STATUS_ACTIVE;
+					else
+						prop->hiddenVolProtection = HIDVOL_PROT_STATUS_NONE;
+
+					prop->totalBytesRead = ListExtension->Queue.TotalBytesRead;
+					prop->totalBytesWritten = ListExtension->Queue.TotalBytesWritten;
+
+					prop->volFormatVersion = ListExtension->cryptoInfo->LegacyVolume ? TC_VOLUME_FORMAT_VERSION_PRE_6_0 : TC_VOLUME_FORMAT_VERSION;
+
+					Irp->IoStatus.Status = STATUS_SUCCESS;
+					Irp->IoStatus.Information = sizeof (VOLUME_PROPERTIES_STRUCT);
+				}
+			}
+		}
+		break;
+
+	case TC_IOCTL_GET_RESOLVED_SYMLINK:
+		if (ValidateIOBufferSize (Irp, sizeof (RESOLVE_SYMLINK_STRUCT), ValidateInputOutput))
+		{
+			RESOLVE_SYMLINK_STRUCT *resolve = (RESOLVE_SYMLINK_STRUCT *) Irp->AssociatedIrp.SystemBuffer;
+			{
+				NTSTATUS ntStatus;
+
+				EnsureNullTerminatedString (resolve->symLinkName, sizeof (resolve->symLinkName));
+
+				ntStatus = SymbolicLinkToTarget (resolve->symLinkName,
+					resolve->targetName,
+					sizeof (resolve->targetName));
+
+				Irp->IoStatus.Information = sizeof (RESOLVE_SYMLINK_STRUCT);
+				Irp->IoStatus.Status = ntStatus;
+			}
+		}
+		break;
+
+	case TC_IOCTL_GET_DRIVE_PARTITION_INFO:
+		if (ValidateIOBufferSize (Irp, sizeof (DISK_PARTITION_INFO_STRUCT), ValidateInputOutput))
+		{
+			DISK_PARTITION_INFO_STRUCT *info = (DISK_PARTITION_INFO_STRUCT *) Irp->AssociatedIrp.SystemBuffer;
+			{
+				PARTITION_INFORMATION_EX pi;
+				NTSTATUS ntStatus;
+
+				EnsureNullTerminatedString (info->deviceName, sizeof (info->deviceName));
+
+				ntStatus = TCDeviceIoControl (info->deviceName, IOCTL_DISK_GET_PARTITION_INFO_EX, NULL, 0, &pi, sizeof (pi));
+				if (NT_SUCCESS(ntStatus))
+				{
+					memset (&info->partInfo, 0, sizeof (info->partInfo));
+
+					info->partInfo.PartitionLength = pi.PartitionLength;
+					info->partInfo.PartitionNumber = pi.PartitionNumber;
+					info->partInfo.StartingOffset = pi.StartingOffset;
+
+					if (pi.PartitionStyle == PARTITION_STYLE_MBR)
+					{
+						info->partInfo.PartitionType = pi.Mbr.PartitionType;
+						info->partInfo.BootIndicator = pi.Mbr.BootIndicator;
+					}
+
+					info->IsGPT = pi.PartitionStyle == PARTITION_STYLE_GPT;
+				}
+				else
+				{
+					// Windows 2000 does not support IOCTL_DISK_GET_PARTITION_INFO_EX
+					ntStatus = TCDeviceIoControl (info->deviceName, IOCTL_DISK_GET_PARTITION_INFO, NULL, 0, &info->partInfo, sizeof (info->partInfo));
+					info->IsGPT = FALSE;
+				}
+
+				if (!NT_SUCCESS (ntStatus))
+				{
+					GET_LENGTH_INFORMATION lengthInfo;
+					ntStatus = TCDeviceIoControl (info->deviceName, IOCTL_DISK_GET_LENGTH_INFO, NULL, 0, &lengthInfo, sizeof (lengthInfo));
+
+					if (NT_SUCCESS (ntStatus))
+					{
+						memset (&info->partInfo, 0, sizeof (info->partInfo));
+						info->partInfo.PartitionLength = lengthInfo.Length;
+					}
+				}
+
+				info->IsDynamic = FALSE;
+
+				if (NT_SUCCESS (ntStatus) && OsMajorVersion >= 6)
+				{
+#					define IOCTL_VOLUME_IS_DYNAMIC CTL_CODE(IOCTL_VOLUME_BASE, 18, METHOD_BUFFERED, FILE_ANY_ACCESS)
+					if (!NT_SUCCESS (TCDeviceIoControl (info->deviceName, IOCTL_VOLUME_IS_DYNAMIC, NULL, 0, &info->IsDynamic, sizeof (info->IsDynamic))))
+						info->IsDynamic = FALSE;
+				}
+
+				Irp->IoStatus.Information = sizeof (DISK_PARTITION_INFO_STRUCT);
+				Irp->IoStatus.Status = ntStatus;
+			}
+		}
+		break;
+
+	case TC_IOCTL_GET_DRIVE_GEOMETRY:
+		if (ValidateIOBufferSize (Irp, sizeof (DISK_GEOMETRY_STRUCT), ValidateInputOutput))
+		{
+			DISK_GEOMETRY_STRUCT *g = (DISK_GEOMETRY_STRUCT *) Irp->AssociatedIrp.SystemBuffer;
+			{
+				NTSTATUS ntStatus;
+
+				EnsureNullTerminatedString (g->deviceName, sizeof (g->deviceName));
+
+				ntStatus = TCDeviceIoControl (g->deviceName,
+					IOCTL_DISK_GET_DRIVE_GEOMETRY,
+					NULL, 0, &g->diskGeometry, sizeof (g->diskGeometry));
+
+				Irp->IoStatus.Information = sizeof (DISK_GEOMETRY_STRUCT);
+				Irp->IoStatus.Status = ntStatus;
+			}
+		}
+		break;
+
+	case TC_IOCTL_PROBE_REAL_DRIVE_SIZE:
+		if (ValidateIOBufferSize (Irp, sizeof (ProbeRealDriveSizeRequest), ValidateInputOutput))
+		{
+			ProbeRealDriveSizeRequest *request = (ProbeRealDriveSizeRequest *) Irp->AssociatedIrp.SystemBuffer;
+			NTSTATUS status;
+			UNICODE_STRING name;
+			PFILE_OBJECT fileObject;
+			PDEVICE_OBJECT deviceObject;
+
+			EnsureNullTerminatedString (request->DeviceName, sizeof (request->DeviceName));
+
+			RtlInitUnicodeString (&name, request->DeviceName);
+			status = IoGetDeviceObjectPointer (&name, FILE_READ_ATTRIBUTES, &fileObject, &deviceObject);
+			if (!NT_SUCCESS (status))
+			{
+				Irp->IoStatus.Information = 0;
+				Irp->IoStatus.Status = status;
+				break;
+			}
+
+			status = ProbeRealDriveSize (deviceObject, &request->RealDriveSize);
+			ObDereferenceObject (fileObject);
+
+			if (status == STATUS_TIMEOUT)
+			{
+				request->TimeOut = TRUE;
+				Irp->IoStatus.Information = sizeof (ProbeRealDriveSizeRequest);
+				Irp->IoStatus.Status = STATUS_SUCCESS;
+			}
+			else if (!NT_SUCCESS (status))
+			{
+				Irp->IoStatus.Information = 0;
+				Irp->IoStatus.Status = status;
+			}
+			else
+			{
+				request->TimeOut = FALSE;
+				Irp->IoStatus.Information = sizeof (ProbeRealDriveSizeRequest);
+				Irp->IoStatus.Status = status;
+			}
+		}
+		break;
+
+	case TC_IOCTL_MOUNT_VOLUME:
+		if (ValidateIOBufferSize (Irp, sizeof (MOUNT_STRUCT), ValidateInputOutput))
+		{
+			MOUNT_STRUCT *mount = (MOUNT_STRUCT *) Irp->AssociatedIrp.SystemBuffer;
+
+			if (mount->VolumePassword.Length > MAX_PASSWORD || mount->ProtectedHidVolPassword.Length > MAX_PASSWORD
+				||	mount->pkcs5_prf < 0 || mount->pkcs5_prf > LAST_PRF_ID 
+				||	mount->VolumePim < -1 || mount->VolumePim == INT_MAX
+				|| mount->ProtectedHidVolPkcs5Prf < 0 || mount->ProtectedHidVolPkcs5Prf > LAST_PRF_ID 
+				|| (mount->bTrueCryptMode != FALSE && mount->bTrueCryptMode != TRUE)
+				)
+			{
+				Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
+				Irp->IoStatus.Information = 0;
+				break;
+			}
+
+			EnsureNullTerminatedString (mount->wszVolume, sizeof (mount->wszVolume));
+			EnsureNullTerminatedString (mount->wszLabel, sizeof (mount->wszLabel));
+
+			Irp->IoStatus.Information = sizeof (MOUNT_STRUCT);
+			Irp->IoStatus.Status = MountDevice (DeviceObject, mount);
+
+			burn (&mount->VolumePassword, sizeof (mount->VolumePassword));
+			burn (&mount->ProtectedHidVolPassword, sizeof (mount->ProtectedHidVolPassword));
+			burn (&mount->pkcs5_prf, sizeof (mount->pkcs5_prf));
+			burn (&mount->VolumePim, sizeof (mount->VolumePim));
+			burn (&mount->bTrueCryptMode, sizeof (mount->bTrueCryptMode));
+			burn (&mount->ProtectedHidVolPkcs5Prf, sizeof (mount->ProtectedHidVolPkcs5Prf));
+			burn (&mount->ProtectedHidVolPim, sizeof (mount->ProtectedHidVolPim));
+		}
+		break;
+
+	case TC_IOCTL_DISMOUNT_VOLUME:
+		if (ValidateIOBufferSize (Irp, sizeof (UNMOUNT_STRUCT), ValidateInputOutput))
+		{
+			UNMOUNT_STRUCT *unmount = (UNMOUNT_STRUCT *) Irp->AssociatedIrp.SystemBuffer;
+			PDEVICE_OBJECT ListDevice = GetVirtualVolumeDeviceObject (unmount->nDosDriveNo);
+
+			unmount->nReturnCode = ERR_DRIVE_NOT_FOUND;
+
+			if (ListDevice)
+			{
+				PEXTENSION ListExtension = (PEXTENSION) ListDevice->DeviceExtension;
+
+				if (IsVolumeAccessibleByCurrentUser (ListExtension))
+					unmount->nReturnCode = UnmountDevice (unmount, ListDevice, unmount->ignoreOpenFiles);
+			}
+
+			Irp->IoStatus.Information = sizeof (UNMOUNT_STRUCT);
+			Irp->IoStatus.Status = STATUS_SUCCESS;
+		}
+		break;
+
+	case TC_IOCTL_DISMOUNT_ALL_VOLUMES:
+		if (ValidateIOBufferSize (Irp, sizeof (UNMOUNT_STRUCT), ValidateInputOutput))
+		{
+			UNMOUNT_STRUCT *unmount = (UNMOUNT_STRUCT *) Irp->AssociatedIrp.SystemBuffer;
+
+			unmount->nReturnCode = UnmountAllDevices (unmount, unmount->ignoreOpenFiles);
+
+			Irp->IoStatus.Information = sizeof (UNMOUNT_STRUCT);
+			Irp->IoStatus.Status = STATUS_SUCCESS;
+		}
+		break;
+
+	case TC_IOCTL_BOOT_ENCRYPTION_SETUP:
+		Irp->IoStatus.Status = StartBootEncryptionSetup (DeviceObject, Irp, irpSp);
+		Irp->IoStatus.Information = 0;
+		break;
+
+	case TC_IOCTL_ABORT_BOOT_ENCRYPTION_SETUP:
+		Irp->IoStatus.Status = AbortBootEncryptionSetup();
+		Irp->IoStatus.Information = 0;
+		break;
+
+	case TC_IOCTL_GET_BOOT_ENCRYPTION_STATUS:
+		GetBootEncryptionStatus (Irp, irpSp);
+		break;
+
+	case TC_IOCTL_GET_BOOT_ENCRYPTION_SETUP_RESULT:
+		Irp->IoStatus.Information = 0;
+		Irp->IoStatus.Status = GetSetupResult();
+		break;
+
+	case TC_IOCTL_GET_BOOT_DRIVE_VOLUME_PROPERTIES:
+		GetBootDriveVolumeProperties (Irp, irpSp);
+		break;
+
+	case TC_IOCTL_GET_BOOT_LOADER_VERSION:
+		GetBootLoaderVersion (Irp, irpSp);
+		break;
+
+	case TC_IOCTL_REOPEN_BOOT_VOLUME_HEADER:
+		ReopenBootVolumeHeader (Irp, irpSp);
+		break;
+
+	case VC_IOCTL_GET_BOOT_LOADER_FINGERPRINT:
+		GetBootLoaderFingerprint (Irp, irpSp);
+		break;
+
+	case TC_IOCTL_GET_BOOT_ENCRYPTION_ALGORITHM_NAME:
+		GetBootEncryptionAlgorithmName (Irp, irpSp);
+		break;
+
+	case TC_IOCTL_IS_HIDDEN_SYSTEM_RUNNING:
+		if (ValidateIOBufferSize (Irp, sizeof (int), ValidateOutput))
+		{
+			*(int *) Irp->AssociatedIrp.SystemBuffer = IsHiddenSystemRunning() ? 1 : 0;
+			Irp->IoStatus.Information = sizeof (int);
+			Irp->IoStatus.Status = STATUS_SUCCESS;
+		}
+		break;
+
+	case TC_IOCTL_START_DECOY_SYSTEM_WIPE:
+		Irp->IoStatus.Status = StartDecoySystemWipe (DeviceObject, Irp, irpSp);
+		Irp->IoStatus.Information = 0;
+		break;
+
+	case TC_IOCTL_ABORT_DECOY_SYSTEM_WIPE:
+		Irp->IoStatus.Status = AbortDecoySystemWipe();
+		Irp->IoStatus.Information = 0;
+		break;
+
+	case TC_IOCTL_GET_DECOY_SYSTEM_WIPE_RESULT:
+		Irp->IoStatus.Status = GetDecoySystemWipeResult();
+		Irp->IoStatus.Information = 0;
+		break;
+
+	case TC_IOCTL_GET_DECOY_SYSTEM_WIPE_STATUS:
+		GetDecoySystemWipeStatus (Irp, irpSp);
+		break;
+
+	case TC_IOCTL_WRITE_BOOT_DRIVE_SECTOR:
+		Irp->IoStatus.Status = WriteBootDriveSector (Irp, irpSp);
+		Irp->IoStatus.Information = 0;
+		break;
+
+	case TC_IOCTL_GET_WARNING_FLAGS:
+		if (ValidateIOBufferSize (Irp, sizeof (GetWarningFlagsRequest), ValidateOutput))
+		{
+			GetWarningFlagsRequest *flags = (GetWarningFlagsRequest *) Irp->AssociatedIrp.SystemBuffer;
+
+			flags->PagingFileCreationPrevented = PagingFileCreationPrevented;
+			PagingFileCreationPrevented = FALSE;
+			flags->SystemFavoriteVolumeDirty = SystemFavoriteVolumeDirty;
+			SystemFavoriteVolumeDirty = FALSE;
+
+			Irp->IoStatus.Information = sizeof (GetWarningFlagsRequest);
+			Irp->IoStatus.Status = STATUS_SUCCESS;
+		}
+		break;
+
+	case TC_IOCTL_SET_SYSTEM_FAVORITE_VOLUME_DIRTY:
+		if (UserCanAccessDriveDevice())
+		{
+			SystemFavoriteVolumeDirty = TRUE;
+			Irp->IoStatus.Status = STATUS_SUCCESS;
+		}
+		else
+			Irp->IoStatus.Status = STATUS_ACCESS_DENIED;
+
+		Irp->IoStatus.Information = 0;
+		break;
+
+	case TC_IOCTL_REREAD_DRIVER_CONFIG:
+		Irp->IoStatus.Status = ReadRegistryConfigFlags (FALSE);
+		Irp->IoStatus.Information = 0;
+		break;
+
+	case TC_IOCTL_GET_SYSTEM_DRIVE_DUMP_CONFIG:
+		if (	(ValidateIOBufferSize (Irp, sizeof (GetSystemDriveDumpConfigRequest), ValidateOutput))
+			&&	(Irp->RequestorMode == KernelMode)
+			)
+		{
+			GetSystemDriveDumpConfigRequest *request = (GetSystemDriveDumpConfigRequest *) Irp->AssociatedIrp.SystemBuffer;
+
+			request->BootDriveFilterExtension = GetBootDriveFilterExtension();
+			if (IsBootDriveMounted() && request->BootDriveFilterExtension)
+			{
+				request->HwEncryptionEnabled = IsHwEncryptionEnabled();
+				Irp->IoStatus.Status = STATUS_SUCCESS;
+				Irp->IoStatus.Information = sizeof (*request);
+			}
+			else
+			{
+				Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
+				Irp->IoStatus.Information = 0;
+			}
+		}
+		break;
+
+	default:
+		return TCCompleteIrp (Irp, STATUS_INVALID_DEVICE_REQUEST, 0);
+	}
+
+	
+#ifdef DEBUG
+	if (!NT_SUCCESS (Irp->IoStatus.Status))
+	{
+		switch (irpSp->Parameters.DeviceIoControl.IoControlCode)
+		{
+		case TC_IOCTL_GET_MOUNTED_VOLUMES:
+		case TC_IOCTL_GET_PASSWORD_CACHE_STATUS:
+		case TC_IOCTL_GET_PORTABLE_MODE_STATUS:
+		case TC_IOCTL_SET_PORTABLE_MODE_STATUS:
+		case TC_IOCTL_OPEN_TEST:
+		case TC_IOCTL_GET_RESOLVED_SYMLINK:
+		case TC_IOCTL_GET_DRIVE_PARTITION_INFO:
+		case TC_IOCTL_GET_BOOT_DRIVE_VOLUME_PROPERTIES:
+		case TC_IOCTL_GET_BOOT_ENCRYPTION_STATUS:
+		case TC_IOCTL_IS_HIDDEN_SYSTEM_RUNNING:
+			break;
+
+		default:
+			Dump ("IOCTL error 0x%08x\n", Irp->IoStatus.Status);
+		}
+	}
+#endif
+
+	return TCCompleteIrp (Irp, Irp->IoStatus.Status, Irp->IoStatus.Information);
+}
+
+
+NTSTATUS TCStartThread (PKSTART_ROUTINE threadProc, PVOID threadArg, PKTHREAD *kThread)
+{
+	return TCStartThreadInProcess (threadProc, threadArg, kThread, NULL);
+}
+
+
+NTSTATUS TCStartThreadInProcess (PKSTART_ROUTINE threadProc, PVOID threadArg, PKTHREAD *kThread, PEPROCESS process)
+{
+	NTSTATUS status;
+	HANDLE threadHandle;
+	HANDLE processHandle = NULL;
+	OBJECT_ATTRIBUTES threadObjAttributes;
+
+	if (process)
+	{
+		status = ObOpenObjectByPointer (process, OBJ_KERNEL_HANDLE, NULL, 0, NULL, KernelMode, &processHandle);
+		if (!NT_SUCCESS (status))
+			return status;
+	}
+
+	InitializeObjectAttributes (&threadObjAttributes, NULL, OBJ_KERNEL_HANDLE, NULL, NULL);
+	
+	status = PsCreateSystemThread (&threadHandle, THREAD_ALL_ACCESS, &threadObjAttributes, processHandle, NULL, threadProc, threadArg);
+	if (!NT_SUCCESS (status))
+		return status;
+
+	status = ObReferenceObjectByHandle (threadHandle, THREAD_ALL_ACCESS, NULL, KernelMode, (PVOID *) kThread, NULL);
+	if (!NT_SUCCESS (status))
+	{
+		ZwClose (threadHandle);
+		*kThread = NULL;
+		return status;
+	}
+
+	if (processHandle)
+		ZwClose (processHandle);
+
+	ZwClose (threadHandle);
+	return STATUS_SUCCESS;
+}
+
+
+void TCStopThread (PKTHREAD kThread, PKEVENT wakeUpEvent)
+{
+	if (wakeUpEvent)
+		KeSetEvent (wakeUpEvent, 0, FALSE);
+
+	KeWaitForSingleObject (kThread, Executive, KernelMode, FALSE, NULL);
+	ObDereferenceObject (kThread);
+}
+
+
+NTSTATUS TCStartVolumeThread (PDEVICE_OBJECT DeviceObject, PEXTENSION Extension, MOUNT_STRUCT * mount)
+{
+	PTHREAD_BLOCK pThreadBlock = TCalloc (sizeof (THREAD_BLOCK));
+	HANDLE hThread;
+	NTSTATUS ntStatus;
+	OBJECT_ATTRIBUTES threadObjAttributes;
+	SECURITY_QUALITY_OF_SERVICE qos;
+
+	Dump ("Starting thread...\n");
+
+	if (pThreadBlock == NULL)
+	{
+		return STATUS_INSUFFICIENT_RESOURCES;
+	}
+	else
+	{
+		pThreadBlock->DeviceObject = DeviceObject;
+		pThreadBlock->mount = mount;
+	}
+
+	qos.Length = sizeof (qos);
+	qos.ContextTrackingMode = SECURITY_STATIC_TRACKING;
+	qos.EffectiveOnly = TRUE;
+	qos.ImpersonationLevel = SecurityImpersonation;
+
+	ntStatus = SeCreateClientSecurity (PsGetCurrentThread(), &qos, FALSE, &Extension->SecurityClientContext);
+	if (!NT_SUCCESS (ntStatus))
+		goto ret;
+
+	Extension->SecurityClientContextValid = TRUE;
+
+	Extension->bThreadShouldQuit = FALSE;
+
+	InitializeObjectAttributes (&threadObjAttributes, NULL, OBJ_KERNEL_HANDLE, NULL, NULL);
+
+	ntStatus = PsCreateSystemThread (&hThread,
+					 THREAD_ALL_ACCESS,
+					 &threadObjAttributes,
+					 NULL,
+					 NULL,
+					 VolumeThreadProc,
+					 pThreadBlock);
+
+	if (!NT_SUCCESS (ntStatus))
+	{
+		Dump ("PsCreateSystemThread Failed END\n");
+		goto ret;
+	}
+
+	ntStatus = ObReferenceObjectByHandle (hThread,
+				   THREAD_ALL_ACCESS,
+				   NULL,
+				   KernelMode,
+				   &Extension->peThread,
+				   NULL);
+
+	ZwClose (hThread);
+
+	if (!NT_SUCCESS (ntStatus))
+		goto ret;
+
+	Dump ("Waiting for thread to initialize...\n");
+
+	KeWaitForSingleObject (&Extension->keCreateEvent,
+			       Executive,
+			       KernelMode,
+			       FALSE,
+			       NULL);
+
+	Dump ("Waiting completed! Thread returns 0x%08x\n", pThreadBlock->ntCreateStatus);
+	ntStatus = pThreadBlock->ntCreateStatus;
+
+ret:
+	TCfree (pThreadBlock);
+	return ntStatus;
+}
+
+void TCStopVolumeThread (PDEVICE_OBJECT DeviceObject, PEXTENSION Extension)
+{
+	NTSTATUS ntStatus;
+
+	UNREFERENCED_PARAMETER (DeviceObject);	/* Remove compiler warning */
+
+	Dump ("Signalling thread to quit...\n");
+
+	Extension->bThreadShouldQuit = TRUE;
+
+	KeReleaseSemaphore (&Extension->RequestSemaphore,
+			    0,
+			    1,
+			    TRUE);
+
+	ntStatus = KeWaitForSingleObject (Extension->peThread,
+					  Executive,
+					  KernelMode,
+					  FALSE,
+					  NULL);
+
+	ASSERT (NT_SUCCESS (ntStatus));
+
+	ObDereferenceObject (Extension->peThread);
+	Extension->peThread = NULL;
+
+	Dump ("Thread exited\n");
+}
+
+
+// Suspend current thread for a number of milliseconds
+void TCSleep (int milliSeconds)
+{
+	PKTIMER timer = (PKTIMER) TCalloc (sizeof (KTIMER));
+	LARGE_INTEGER duetime;
+
+	if (!timer)
+		return;
+
+	duetime.QuadPart = (__int64) milliSeconds * -10000;
+	KeInitializeTimerEx(timer, NotificationTimer);
+	KeSetTimerEx(timer, duetime, 0, NULL);
+
+	KeWaitForSingleObject (timer, Executive, KernelMode, FALSE, NULL);
+
+	TCfree (timer);
+}
+
+BOOL IsDeviceName(wchar_t wszVolume[TC_MAX_PATH])
+{
+	if	(	(wszVolume[0] == '\\')
+		&&	(wszVolume[1] == 'D' || wszVolume[1] == 'd')
+		&&	(wszVolume[2] == 'E' || wszVolume[2] == 'e')
+		&&	(wszVolume[3] == 'V' || wszVolume[3] == 'v')
+		&&	(wszVolume[4] == 'I' || wszVolume[4] == 'i')
+		&&	(wszVolume[5] == 'C' || wszVolume[5] == 'c')
+		&&	(wszVolume[6] == 'E' || wszVolume[6] == 'e')
+		)
+	{
+		return TRUE;
+	}
+	else
+		return FALSE;
+}
+
+/* VolumeThreadProc does all the work of processing IRP's, and dispatching them
+   to either the ReadWrite function or the DeviceControl function */
+VOID VolumeThreadProc (PVOID Context)
+{
+	PTHREAD_BLOCK pThreadBlock = (PTHREAD_BLOCK) Context;
+	PDEVICE_OBJECT DeviceObject = pThreadBlock->DeviceObject;
+	PEXTENSION Extension = (PEXTENSION) DeviceObject->DeviceExtension;
+	BOOL bDevice;
+
+	/* Set thread priority to lowest realtime level. */
+	KeSetPriorityThread (KeGetCurrentThread (), LOW_REALTIME_PRIORITY);
+
+	Dump ("Mount THREAD OPENING VOLUME BEGIN\n");
+
+	if ( !IsDeviceName (pThreadBlock->mount->wszVolume))
+	{
+		RtlStringCbCopyW (pThreadBlock->wszMountVolume, sizeof(pThreadBlock->wszMountVolume),WIDE ("\\??\\"));
+		RtlStringCbCatW (pThreadBlock->wszMountVolume, sizeof(pThreadBlock->wszMountVolume),pThreadBlock->mount->wszVolume);
+		bDevice = FALSE;
+	}
+	else
+	{
+		pThreadBlock->wszMountVolume[0] = 0;
+		RtlStringCbCatW (pThreadBlock->wszMountVolume, sizeof(pThreadBlock->wszMountVolume),pThreadBlock->mount->wszVolume);
+		bDevice = TRUE;
+	}
+
+	Dump ("Mount THREAD request for File %ls DriveNumber %d Device = %d\n",
+	      pThreadBlock->wszMountVolume, pThreadBlock->mount->nDosDriveNo, bDevice);
+
+	pThreadBlock->ntCreateStatus = TCOpenVolume (DeviceObject,
+		Extension,
+		pThreadBlock->mount,
+		pThreadBlock->wszMountVolume,
+		bDevice);
+
+	if (!NT_SUCCESS (pThreadBlock->ntCreateStatus) || pThreadBlock->mount->nReturnCode != 0)
+	{
+		KeSetEvent (&Extension->keCreateEvent, 0, FALSE);
+		PsTerminateSystemThread (STATUS_SUCCESS);
+	}
+
+	// Start IO queue
+	Extension->Queue.IsFilterDevice = FALSE;
+	Extension->Queue.DeviceObject = DeviceObject;
+	Extension->Queue.CryptoInfo = Extension->cryptoInfo;
+	Extension->Queue.HostFileHandle = Extension->hDeviceFile;
+	Extension->Queue.VirtualDeviceLength = Extension->DiskLength;
+	Extension->Queue.MaxReadAheadOffset.QuadPart = Extension->HostLength;
+
+	if (Extension->SecurityClientContextValid)
+		Extension->Queue.SecurityClientContext = &Extension->SecurityClientContext;
+	else
+		Extension->Queue.SecurityClientContext = NULL;
+
+	pThreadBlock->ntCreateStatus = EncryptedIoQueueStart (&Extension->Queue);
+
+	if (!NT_SUCCESS (pThreadBlock->ntCreateStatus))
+	{
+		TCCloseVolume (DeviceObject, Extension);
+
+		pThreadBlock->mount->nReturnCode = ERR_OS_ERROR;
+		KeSetEvent (&Extension->keCreateEvent, 0, FALSE);
+		PsTerminateSystemThread (STATUS_SUCCESS);
+	}
+
+	KeSetEvent (&Extension->keCreateEvent, 0, FALSE);
+	/* From this point on pThreadBlock cannot be used as it will have been released! */
+	pThreadBlock = NULL;
+
+	for (;;)
+	{
+		/* Wait for a request from the dispatch routines. */
+		KeWaitForSingleObject ((PVOID) & Extension->RequestSemaphore, Executive, KernelMode, FALSE, NULL);
+
+		for (;;)
+		{
+			PIO_STACK_LOCATION irpSp;
+			PLIST_ENTRY request;
+			PIRP irp;
+
+			request = ExInterlockedRemoveHeadList (&Extension->ListEntry, &Extension->ListSpinLock);
+			if (request == NULL)
+				break;
+
+			irp = CONTAINING_RECORD (request, IRP, Tail.Overlay.ListEntry);
+			irpSp = IoGetCurrentIrpStackLocation (irp);
+
+			ASSERT (irpSp->MajorFunction == IRP_MJ_DEVICE_CONTROL);
+
+			ProcessVolumeDeviceControlIrp (DeviceObject, Extension, irp);
+			IoReleaseRemoveLock (&Extension->Queue.RemoveLock, irp);
+		}
+
+		if (Extension->bThreadShouldQuit)
+		{
+			Dump ("Closing volume\n");
+			EncryptedIoQueueStop (&Extension->Queue);
+
+			TCCloseVolume (DeviceObject, Extension);
+			PsTerminateSystemThread (STATUS_SUCCESS);
+		}
+	}
+}
+
+void TCGetNTNameFromNumber (LPWSTR ntname, int cbNtName, int nDriveNo)
+{
+	WCHAR tmp[2] =
+	{0, 0};
+	int j = nDriveNo + (WCHAR) 'A';
+
+	tmp[0] = (short) j;
+	RtlStringCbCopyW (ntname, cbNtName,(LPWSTR) NT_MOUNT_PREFIX);
+	RtlStringCbCatW (ntname, cbNtName, tmp);
+}
+
+void TCGetDosNameFromNumber (LPWSTR dosname,int cbDosName, int nDriveNo, DeviceNamespaceType namespaceType)
+{
+	WCHAR tmp[3] =
+	{0, ':', 0};
+	int j = nDriveNo + (WCHAR) 'A';
+
+	tmp[0] = (short) j;
+
+	if (DeviceNamespaceGlobal == namespaceType)
+	{
+		RtlStringCbCopyW (dosname, cbDosName, (LPWSTR) DOS_MOUNT_PREFIX_GLOBAL);
+	}
+	else
+	{
+		RtlStringCbCopyW (dosname, cbDosName, (LPWSTR) DOS_MOUNT_PREFIX_DEFAULT);
+	}
+
+	RtlStringCbCatW (dosname, cbDosName, tmp);
+}
+
+#ifdef _DEBUG
+LPWSTR TCTranslateCode (ULONG ulCode)
+{
+	switch (ulCode)
+	{
+#define TC_CASE_RET_NAME(CODE) case CODE : return L###CODE
+
+		TC_CASE_RET_NAME (TC_IOCTL_ABORT_BOOT_ENCRYPTION_SETUP);
+		TC_CASE_RET_NAME (TC_IOCTL_ABORT_DECOY_SYSTEM_WIPE);
+		TC_CASE_RET_NAME (TC_IOCTL_BOOT_ENCRYPTION_SETUP);
+		TC_CASE_RET_NAME (TC_IOCTL_DISMOUNT_ALL_VOLUMES);
+		TC_CASE_RET_NAME (TC_IOCTL_DISMOUNT_VOLUME);
+		TC_CASE_RET_NAME (TC_IOCTL_GET_BOOT_DRIVE_VOLUME_PROPERTIES);
+		TC_CASE_RET_NAME (TC_IOCTL_GET_BOOT_ENCRYPTION_ALGORITHM_NAME);
+		TC_CASE_RET_NAME (TC_IOCTL_GET_BOOT_ENCRYPTION_SETUP_RESULT);
+		TC_CASE_RET_NAME (TC_IOCTL_GET_BOOT_ENCRYPTION_STATUS);
+		TC_CASE_RET_NAME (TC_IOCTL_GET_BOOT_LOADER_VERSION);
+		TC_CASE_RET_NAME (TC_IOCTL_GET_DECOY_SYSTEM_WIPE_RESULT);
+		TC_CASE_RET_NAME (TC_IOCTL_GET_DECOY_SYSTEM_WIPE_STATUS);
+		TC_CASE_RET_NAME (TC_IOCTL_GET_DEVICE_REFCOUNT);
+		TC_CASE_RET_NAME (TC_IOCTL_GET_DRIVE_GEOMETRY);
+		TC_CASE_RET_NAME (TC_IOCTL_GET_DRIVE_PARTITION_INFO);
+		TC_CASE_RET_NAME (TC_IOCTL_GET_DRIVER_VERSION);
+		TC_CASE_RET_NAME (TC_IOCTL_GET_MOUNTED_VOLUMES);
+		TC_CASE_RET_NAME (TC_IOCTL_GET_PASSWORD_CACHE_STATUS);
+		TC_CASE_RET_NAME (TC_IOCTL_GET_SYSTEM_DRIVE_CONFIG);
+		TC_CASE_RET_NAME (TC_IOCTL_GET_PORTABLE_MODE_STATUS);
+		TC_CASE_RET_NAME (TC_IOCTL_SET_PORTABLE_MODE_STATUS);
+		TC_CASE_RET_NAME (TC_IOCTL_GET_RESOLVED_SYMLINK);
+		TC_CASE_RET_NAME (TC_IOCTL_GET_SYSTEM_DRIVE_DUMP_CONFIG);
+		TC_CASE_RET_NAME (TC_IOCTL_GET_VOLUME_PROPERTIES);
+		TC_CASE_RET_NAME (TC_IOCTL_GET_WARNING_FLAGS);
+		TC_CASE_RET_NAME (TC_IOCTL_DISK_IS_WRITABLE);
+		TC_CASE_RET_NAME (TC_IOCTL_IS_ANY_VOLUME_MOUNTED);
+		TC_CASE_RET_NAME (TC_IOCTL_IS_DRIVER_UNLOAD_DISABLED);
+		TC_CASE_RET_NAME (TC_IOCTL_IS_HIDDEN_SYSTEM_RUNNING);
+		TC_CASE_RET_NAME (TC_IOCTL_MOUNT_VOLUME);
+		TC_CASE_RET_NAME (TC_IOCTL_OPEN_TEST);
+		TC_CASE_RET_NAME (TC_IOCTL_PROBE_REAL_DRIVE_SIZE);
+		TC_CASE_RET_NAME (TC_IOCTL_REOPEN_BOOT_VOLUME_HEADER);
+		TC_CASE_RET_NAME (TC_IOCTL_REREAD_DRIVER_CONFIG);
+		TC_CASE_RET_NAME (TC_IOCTL_SET_SYSTEM_FAVORITE_VOLUME_DIRTY);
+		TC_CASE_RET_NAME (TC_IOCTL_START_DECOY_SYSTEM_WIPE);
+		TC_CASE_RET_NAME (TC_IOCTL_WIPE_PASSWORD_CACHE);
+		TC_CASE_RET_NAME (TC_IOCTL_WRITE_BOOT_DRIVE_SECTOR);
+
+		TC_CASE_RET_NAME (IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS);
+
+#undef TC_CASE_RET_NAME
+	}
+
+	if (ulCode ==			 IOCTL_DISK_GET_DRIVE_GEOMETRY)
+		return (LPWSTR) _T ("IOCTL_DISK_GET_DRIVE_GEOMETRY");
+	else if (ulCode ==		 IOCTL_DISK_GET_DRIVE_GEOMETRY_EX)
+		return (LPWSTR) _T ("IOCTL_DISK_GET_DRIVE_GEOMETRY_EX");
+	else if (ulCode ==		 IOCTL_MOUNTDEV_QUERY_DEVICE_NAME)
+		return (LPWSTR) _T ("IOCTL_MOUNTDEV_QUERY_DEVICE_NAME");
+	else if (ulCode ==		 IOCTL_MOUNTDEV_QUERY_SUGGESTED_LINK_NAME)
+		return (LPWSTR) _T ("IOCTL_MOUNTDEV_QUERY_SUGGESTED_LINK_NAME");
+	else if (ulCode ==		 IOCTL_MOUNTDEV_QUERY_UNIQUE_ID)
+		return (LPWSTR) _T ("IOCTL_MOUNTDEV_QUERY_UNIQUE_ID");
+	else if (ulCode ==		 IOCTL_VOLUME_ONLINE)
+		return (LPWSTR) _T ("IOCTL_VOLUME_ONLINE");
+	else if (ulCode ==		 IOCTL_MOUNTDEV_LINK_CREATED)
+		return (LPWSTR) _T ("IOCTL_MOUNTDEV_LINK_CREATED");
+	else if (ulCode ==		 IOCTL_MOUNTDEV_LINK_DELETED)
+		return (LPWSTR) _T ("IOCTL_MOUNTDEV_LINK_DELETED");
+	else if (ulCode ==		 IOCTL_MOUNTMGR_QUERY_POINTS)
+		return (LPWSTR) _T ("IOCTL_MOUNTMGR_QUERY_POINTS");
+	else if (ulCode ==		 IOCTL_MOUNTMGR_VOLUME_MOUNT_POINT_CREATED)
+		return (LPWSTR) _T ("IOCTL_MOUNTMGR_VOLUME_MOUNT_POINT_CREATED");
+	else if (ulCode ==		 IOCTL_MOUNTMGR_VOLUME_MOUNT_POINT_DELETED)
+		return (LPWSTR) _T ("IOCTL_MOUNTMGR_VOLUME_MOUNT_POINT_DELETED");
+	else if (ulCode ==		 IOCTL_DISK_GET_LENGTH_INFO)
+		return (LPWSTR) _T ("IOCTL_DISK_GET_LENGTH_INFO");
+	else if (ulCode ==		 IOCTL_STORAGE_GET_DEVICE_NUMBER)
+		return (LPWSTR) _T ("IOCTL_STORAGE_GET_DEVICE_NUMBER");
+	else if (ulCode ==		 IOCTL_DISK_GET_PARTITION_INFO)
+		return (LPWSTR) _T ("IOCTL_DISK_GET_PARTITION_INFO");
+	else if (ulCode ==		 IOCTL_DISK_GET_PARTITION_INFO_EX)
+		return (LPWSTR) _T ("IOCTL_DISK_GET_PARTITION_INFO_EX");
+	else if (ulCode ==		 IOCTL_DISK_SET_PARTITION_INFO)
+		return (LPWSTR) _T ("IOCTL_DISK_SET_PARTITION_INFO");
+	else if (ulCode ==		 IOCTL_DISK_GET_DRIVE_LAYOUT)
+		return (LPWSTR) _T ("IOCTL_DISK_GET_DRIVE_LAYOUT");
+	else if (ulCode ==		 IOCTL_DISK_SET_DRIVE_LAYOUT_EX)
+		return (LPWSTR) _T ("IOCTL_DISK_SET_DRIVE_LAYOUT_EX");
+	else if (ulCode ==		 IOCTL_DISK_VERIFY)
+		return (LPWSTR) _T ("IOCTL_DISK_VERIFY");
+	else if (ulCode == IOCTL_DISK_FORMAT_TRACKS)
+		return (LPWSTR) _T ("IOCTL_DISK_FORMAT_TRACKS");
+	else if (ulCode == IOCTL_DISK_REASSIGN_BLOCKS)
+		return (LPWSTR) _T ("IOCTL_DISK_REASSIGN_BLOCKS");
+	else if (ulCode == IOCTL_DISK_PERFORMANCE)
+		return (LPWSTR) _T ("IOCTL_DISK_PERFORMANCE");
+	else if (ulCode == IOCTL_DISK_IS_WRITABLE)
+		return (LPWSTR) _T ("IOCTL_DISK_IS_WRITABLE");
+	else if (ulCode == IOCTL_DISK_LOGGING)
+		return (LPWSTR) _T ("IOCTL_DISK_LOGGING");
+	else if (ulCode == IOCTL_DISK_FORMAT_TRACKS_EX)
+		return (LPWSTR) _T ("IOCTL_DISK_FORMAT_TRACKS_EX");
+	else if (ulCode == IOCTL_DISK_HISTOGRAM_STRUCTURE)
+		return (LPWSTR) _T ("IOCTL_DISK_HISTOGRAM_STRUCTURE");
+	else if (ulCode == IOCTL_DISK_HISTOGRAM_DATA)
+		return (LPWSTR) _T ("IOCTL_DISK_HISTOGRAM_DATA");
+	else if (ulCode == IOCTL_DISK_HISTOGRAM_RESET)
+		return (LPWSTR) _T ("IOCTL_DISK_HISTOGRAM_RESET");
+	else if (ulCode == IOCTL_DISK_REQUEST_STRUCTURE)
+		return (LPWSTR) _T ("IOCTL_DISK_REQUEST_STRUCTURE");
+	else if (ulCode == IOCTL_DISK_REQUEST_DATA)
+		return (LPWSTR) _T ("IOCTL_DISK_REQUEST_DATA");
+	else if (ulCode == IOCTL_DISK_CONTROLLER_NUMBER)
+		return (LPWSTR) _T ("IOCTL_DISK_CONTROLLER_NUMBER");
+	else if (ulCode == SMART_GET_VERSION)
+		return (LPWSTR) _T ("SMART_GET_VERSION");
+	else if (ulCode == SMART_SEND_DRIVE_COMMAND)
+		return (LPWSTR) _T ("SMART_SEND_DRIVE_COMMAND");
+	else if (ulCode == SMART_RCV_DRIVE_DATA)
+		return (LPWSTR) _T ("SMART_RCV_DRIVE_DATA");
+	else if (ulCode == IOCTL_DISK_INTERNAL_SET_VERIFY)
+		return (LPWSTR) _T ("IOCTL_DISK_INTERNAL_SET_VERIFY");
+	else if (ulCode == IOCTL_DISK_INTERNAL_CLEAR_VERIFY)
+		return (LPWSTR) _T ("IOCTL_DISK_INTERNAL_CLEAR_VERIFY");
+	else if (ulCode == IOCTL_DISK_CHECK_VERIFY)
+		return (LPWSTR) _T ("IOCTL_DISK_CHECK_VERIFY");
+	else if (ulCode == IOCTL_DISK_MEDIA_REMOVAL)
+		return (LPWSTR) _T ("IOCTL_DISK_MEDIA_REMOVAL");
+	else if (ulCode == IOCTL_DISK_EJECT_MEDIA)
+		return (LPWSTR) _T ("IOCTL_DISK_EJECT_MEDIA");
+	else if (ulCode == IOCTL_DISK_LOAD_MEDIA)
+		return (LPWSTR) _T ("IOCTL_DISK_LOAD_MEDIA");
+	else if (ulCode == IOCTL_DISK_RESERVE)
+		return (LPWSTR) _T ("IOCTL_DISK_RESERVE");
+	else if (ulCode == IOCTL_DISK_RELEASE)
+		return (LPWSTR) _T ("IOCTL_DISK_RELEASE");
+	else if (ulCode == IOCTL_DISK_FIND_NEW_DEVICES)
+		return (LPWSTR) _T ("IOCTL_DISK_FIND_NEW_DEVICES");
+	else if (ulCode == IOCTL_DISK_GET_MEDIA_TYPES)
+		return (LPWSTR) _T ("IOCTL_DISK_GET_MEDIA_TYPES");
+	else if (ulCode == IOCTL_STORAGE_SET_HOTPLUG_INFO)
+		return (LPWSTR) _T ("IOCTL_STORAGE_SET_HOTPLUG_INFO");
+	else if (ulCode == IRP_MJ_READ)
+		return (LPWSTR) _T ("IRP_MJ_READ");
+	else if (ulCode == IRP_MJ_WRITE)
+		return (LPWSTR) _T ("IRP_MJ_WRITE");
+	else if (ulCode == IRP_MJ_CREATE)
+		return (LPWSTR) _T ("IRP_MJ_CREATE");
+	else if (ulCode == IRP_MJ_CLOSE)
+		return (LPWSTR) _T ("IRP_MJ_CLOSE");
+	else if (ulCode == IRP_MJ_CLEANUP)
+		return (LPWSTR) _T ("IRP_MJ_CLEANUP");
+	else if (ulCode == IRP_MJ_FLUSH_BUFFERS)
+		return (LPWSTR) _T ("IRP_MJ_FLUSH_BUFFERS");
+	else if (ulCode == IRP_MJ_SHUTDOWN)
+		return (LPWSTR) _T ("IRP_MJ_SHUTDOWN");
+	else if (ulCode == IRP_MJ_DEVICE_CONTROL)
+		return (LPWSTR) _T ("IRP_MJ_DEVICE_CONTROL");
+	else
+	{
+		return (LPWSTR) _T ("IOCTL");
+	}
+}
+
+#endif
+
+void TCDeleteDeviceObject (PDEVICE_OBJECT DeviceObject, PEXTENSION Extension)
+{
+	UNICODE_STRING Win32NameString;
+	NTSTATUS ntStatus;
+
+	Dump ("TCDeleteDeviceObject BEGIN\n");
+
+	if (Extension->bRootDevice)
+	{
+		RtlInitUnicodeString (&Win32NameString, (LPWSTR) DOS_ROOT_PREFIX);
+		ntStatus = IoDeleteSymbolicLink (&Win32NameString);
+		if (!NT_SUCCESS (ntStatus))
+			Dump ("IoDeleteSymbolicLink failed ntStatus = 0x%08x\n", ntStatus);
+
+		RootDeviceObject = NULL;
+	}
+	else
+	{
+		if (Extension->peThread != NULL)
+			TCStopVolumeThread (DeviceObject, Extension);
+
+		if (Extension->UserSid)
+			TCfree (Extension->UserSid);
+
+		if (Extension->SecurityClientContextValid)
+		{
+			if (OsMajorVersion == 5 && OsMinorVersion == 0)
+			{
+				ObDereferenceObject (Extension->SecurityClientContext.ClientToken);
+			}
+			else
+			{
+				// Windows 2000 does not support PsDereferenceImpersonationToken() used by SeDeleteClientSecurity().
+				// TODO: Use only SeDeleteClientSecurity() once support for Windows 2000 is dropped.
+
+				VOID (*PsDereferenceImpersonationTokenD) (PACCESS_TOKEN ImpersonationToken);
+				UNICODE_STRING name;
+				RtlInitUnicodeString (&name, L"PsDereferenceImpersonationToken");
+
+				PsDereferenceImpersonationTokenD = MmGetSystemRoutineAddress (&name);
+				if (!PsDereferenceImpersonationTokenD)
+					TC_BUG_CHECK (STATUS_NOT_IMPLEMENTED);
+				
+#				define PsDereferencePrimaryToken
+#				define PsDereferenceImpersonationToken PsDereferenceImpersonationTokenD
+
+				SeDeleteClientSecurity (&Extension->SecurityClientContext);
+
+#				undef PsDereferencePrimaryToken
+#				undef PsDereferenceImpersonationToken
+			}
+		}
+
+		VirtualVolumeDeviceObjects[Extension->nDosDriveNo] = NULL;
+	}
+
+	IoDeleteDevice (DeviceObject);
+
+	Dump ("TCDeleteDeviceObject END\n");
+}
+
+
+VOID TCUnloadDriver (PDRIVER_OBJECT DriverObject)
+{
+	Dump ("TCUnloadDriver BEGIN\n");
+
+	OnShutdownPending();
+
+	if (IsBootDriveMounted())
+		TC_BUG_CHECK (STATUS_INVALID_DEVICE_STATE);
+
+	EncryptionThreadPoolStop();
+	TCDeleteDeviceObject (RootDeviceObject, (PEXTENSION) RootDeviceObject->DeviceExtension);
+
+	Dump ("TCUnloadDriver END\n");
+}
+
+
+void OnShutdownPending ()
+{
+	UNMOUNT_STRUCT unmount;
+	memset (&unmount, 0, sizeof (unmount));
+	unmount.ignoreOpenFiles = TRUE;
+
+	while (SendDeviceIoControlRequest (RootDeviceObject, TC_IOCTL_DISMOUNT_ALL_VOLUMES, &unmount, sizeof (unmount), &unmount, sizeof (unmount)) == STATUS_INSUFFICIENT_RESOURCES || unmount.HiddenVolumeProtectionTriggered)
+		unmount.HiddenVolumeProtectionTriggered = FALSE;
+
+	while (SendDeviceIoControlRequest (RootDeviceObject, TC_IOCTL_WIPE_PASSWORD_CACHE, NULL, 0, NULL, 0) == STATUS_INSUFFICIENT_RESOURCES);
+}
+
+
+NTSTATUS TCDeviceIoControl (PWSTR deviceName, ULONG IoControlCode, void *InputBuffer, ULONG InputBufferSize, void *OutputBuffer, ULONG OutputBufferSize)
+{
+	IO_STATUS_BLOCK ioStatusBlock;
+	NTSTATUS ntStatus;
+	PIRP irp;
+	PFILE_OBJECT fileObject;
+	PDEVICE_OBJECT deviceObject;
+	KEVENT event;
+	UNICODE_STRING name;
+
+	RtlInitUnicodeString(&name, deviceName);
+	ntStatus = IoGetDeviceObjectPointer (&name, FILE_READ_ATTRIBUTES, &fileObject, &deviceObject);
+
+	if (!NT_SUCCESS (ntStatus))
+		return ntStatus;
+
+	KeInitializeEvent(&event, NotificationEvent, FALSE);
+
+	irp = IoBuildDeviceIoControlRequest (IoControlCode,
+					     deviceObject,
+					     InputBuffer, InputBufferSize,
+					     OutputBuffer, OutputBufferSize,
+					     FALSE,
+					     &event,
+					     &ioStatusBlock);
+
+	if (irp == NULL)
+	{
+		Dump ("IRP allocation failed\n");
+		ntStatus = STATUS_INSUFFICIENT_RESOURCES;
+		goto ret;
+	}
+
+	IoGetNextIrpStackLocation (irp)->FileObject = fileObject;
+
+	ntStatus = IoCallDriver (deviceObject, irp);
+	if (ntStatus == STATUS_PENDING)
+	{
+		KeWaitForSingleObject (&event, Executive, KernelMode, FALSE, NULL);
+		ntStatus = ioStatusBlock.Status;
+	}
+
+ret:
+	ObDereferenceObject (fileObject);
+	return ntStatus;
+}
+
+
+typedef struct
+{
+	PDEVICE_OBJECT deviceObject; ULONG ioControlCode; void *inputBuffer; int inputBufferSize; void *outputBuffer; int outputBufferSize;
+	NTSTATUS Status;
+	KEVENT WorkItemCompletedEvent;
+} SendDeviceIoControlRequestWorkItemArgs;
+
+
+static VOID SendDeviceIoControlRequestWorkItemRoutine (PDEVICE_OBJECT rootDeviceObject, SendDeviceIoControlRequestWorkItemArgs *arg)
+{
+	arg->Status = SendDeviceIoControlRequest (arg->deviceObject, arg->ioControlCode, arg->inputBuffer, arg->inputBufferSize, arg->outputBuffer, arg->outputBufferSize);
+	KeSetEvent (&arg->WorkItemCompletedEvent, IO_NO_INCREMENT, FALSE);
+}
+
+
+NTSTATUS SendDeviceIoControlRequest (PDEVICE_OBJECT deviceObject, ULONG ioControlCode, void *inputBuffer, int inputBufferSize, void *outputBuffer, int outputBufferSize)
+{
+	IO_STATUS_BLOCK ioStatusBlock;
+	NTSTATUS status;
+	PIRP irp;
+	KEVENT event;
+
+	if (KeGetCurrentIrql() > APC_LEVEL)
+	{
+		SendDeviceIoControlRequestWorkItemArgs args;
+
+		PIO_WORKITEM workItem = IoAllocateWorkItem (RootDeviceObject);
+		if (!workItem)
+			return STATUS_INSUFFICIENT_RESOURCES;
+
+		args.deviceObject = deviceObject;
+		args.ioControlCode = ioControlCode;
+		args.inputBuffer = inputBuffer;
+		args.inputBufferSize = inputBufferSize;
+		args.outputBuffer = outputBuffer;
+		args.outputBufferSize = outputBufferSize;
+
+		KeInitializeEvent (&args.WorkItemCompletedEvent, SynchronizationEvent, FALSE);
+		IoQueueWorkItem (workItem, SendDeviceIoControlRequestWorkItemRoutine, DelayedWorkQueue, &args); 
+
+		KeWaitForSingleObject (&args.WorkItemCompletedEvent, Executive, KernelMode, FALSE, NULL);
+		IoFreeWorkItem (workItem);
+ 
+		return args.Status;
+	}
+
+	KeInitializeEvent (&event, NotificationEvent, FALSE);
+
+	irp = IoBuildDeviceIoControlRequest (ioControlCode, deviceObject, inputBuffer, inputBufferSize,
+		outputBuffer, outputBufferSize, FALSE, &event, &ioStatusBlock);
+
+	if (!irp)
+		return STATUS_INSUFFICIENT_RESOURCES;
+
+	ObReferenceObject (deviceObject);
+
+	status = IoCallDriver (deviceObject, irp);
+	if (status == STATUS_PENDING)
+	{
+		KeWaitForSingleObject (&event, Executive, KernelMode, FALSE, NULL);
+		status = ioStatusBlock.Status;
+	}
+
+	ObDereferenceObject (deviceObject);
+	return status;
+}
+
+
+NTSTATUS ProbeRealDriveSize (PDEVICE_OBJECT driveDeviceObject, LARGE_INTEGER *driveSize)
+{
+	NTSTATUS status;
+	LARGE_INTEGER sysLength;
+	LARGE_INTEGER offset;
+	byte *sectorBuffer;
+	ULONGLONG startTime;
+
+	if (!UserCanAccessDriveDevice())
+		return STATUS_ACCESS_DENIED;
+
+	sectorBuffer = TCalloc (TC_SECTOR_SIZE_BIOS);
+	if (!sectorBuffer)
+		return STATUS_INSUFFICIENT_RESOURCES;
+
+	status = SendDeviceIoControlRequest (driveDeviceObject, IOCTL_DISK_GET_LENGTH_INFO,
+		NULL, 0, &sysLength, sizeof (sysLength));
+
+	if (!NT_SUCCESS (status))
+	{
+		Dump ("Failed to get drive size - error %x\n", status);
+		TCfree (sectorBuffer);
+		return status;
+	}
+
+	startTime = KeQueryInterruptTime ();
+	for (offset.QuadPart = sysLength.QuadPart; ; offset.QuadPart += TC_SECTOR_SIZE_BIOS)
+	{
+		status = TCReadDevice (driveDeviceObject, sectorBuffer, offset, TC_SECTOR_SIZE_BIOS);
+		
+		if (NT_SUCCESS (status))
+			status = TCWriteDevice (driveDeviceObject, sectorBuffer, offset, TC_SECTOR_SIZE_BIOS);
+
+		if (!NT_SUCCESS (status))
+		{
+			driveSize->QuadPart = offset.QuadPart;
+			Dump ("Real drive size = %I64d bytes (%I64d hidden)\n", driveSize->QuadPart, driveSize->QuadPart - sysLength.QuadPart);
+			TCfree (sectorBuffer);
+			return STATUS_SUCCESS;
+		}
+
+		if (KeQueryInterruptTime() - startTime > 3ULL * 60 * 1000 * 1000 * 10)
+		{
+			// Abort if probing for more than 3 minutes
+			driveSize->QuadPart = sysLength.QuadPart;
+			TCfree (sectorBuffer);
+			return STATUS_TIMEOUT;
+		}
+	}
+}
+
+
+NTSTATUS TCOpenFsVolume (PEXTENSION Extension, PHANDLE volumeHandle, PFILE_OBJECT * fileObject)
+{
+	NTSTATUS ntStatus;
+	OBJECT_ATTRIBUTES objectAttributes;
+	UNICODE_STRING fullFileName;
+	IO_STATUS_BLOCK ioStatus;
+	WCHAR volumeName[TC_MAX_PATH];
+
+	TCGetNTNameFromNumber (volumeName, sizeof(volumeName),Extension->nDosDriveNo);
+	RtlInitUnicodeString (&fullFileName, volumeName);
+	InitializeObjectAttributes (&objectAttributes, &fullFileName, OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE, NULL, NULL);
+
+	ntStatus = ZwCreateFile (volumeHandle,
+		SYNCHRONIZE | GENERIC_READ,
+		&objectAttributes,
+		&ioStatus,
+		NULL,
+		FILE_ATTRIBUTE_NORMAL,
+		FILE_SHARE_READ | FILE_SHARE_WRITE,
+		FILE_OPEN,
+		FILE_SYNCHRONOUS_IO_NONALERT,
+		NULL,
+		0);
+
+	Dump ("Volume %ls open NTSTATUS 0x%08x\n", volumeName, ntStatus);
+
+	if (!NT_SUCCESS (ntStatus))
+		return ntStatus;
+
+	ntStatus = ObReferenceObjectByHandle (*volumeHandle,
+		FILE_READ_DATA,
+		NULL,
+		KernelMode,
+		fileObject,
+		NULL);
+
+	if (!NT_SUCCESS (ntStatus))
+		ZwClose (*volumeHandle);
+
+	return ntStatus;
+}
+
+
+void TCCloseFsVolume (HANDLE volumeHandle, PFILE_OBJECT fileObject)
+{
+	ObDereferenceObject (fileObject);
+	ZwClose (volumeHandle);
+}
+
+
+static NTSTATUS TCReadWriteDevice (BOOL write, PDEVICE_OBJECT deviceObject, PVOID buffer, LARGE_INTEGER offset, ULONG length)
+{
+	NTSTATUS status;
+	IO_STATUS_BLOCK ioStatusBlock;
+	PIRP irp;
+	KEVENT completionEvent;
+
+	ASSERT (KeGetCurrentIrql() <= APC_LEVEL);
+
+	KeInitializeEvent (&completionEvent, NotificationEvent, FALSE);
+	irp = IoBuildSynchronousFsdRequest (write ? IRP_MJ_WRITE : IRP_MJ_READ, deviceObject, buffer, length, &offset, &completionEvent, &ioStatusBlock);
+	if (!irp)
+		return STATUS_INSUFFICIENT_RESOURCES;
+
+	ObReferenceObject (deviceObject);
+	status = IoCallDriver (deviceObject, irp);
+
+	if (status == STATUS_PENDING)
+	{
+		status = KeWaitForSingleObject (&completionEvent, Executive, KernelMode, FALSE, NULL);
+		if (NT_SUCCESS (status))
+			status = ioStatusBlock.Status;
+	}
+
+	ObDereferenceObject (deviceObject);
+	return status;
+}
+
+
+NTSTATUS TCReadDevice (PDEVICE_OBJECT deviceObject, PVOID buffer, LARGE_INTEGER offset, ULONG length)
+{
+	return TCReadWriteDevice (FALSE, deviceObject, buffer, offset, length);
+}
+
+
+NTSTATUS TCWriteDevice (PDEVICE_OBJECT deviceObject, PVOID buffer, LARGE_INTEGER offset, ULONG length)
+{
+	return TCReadWriteDevice (TRUE, deviceObject, buffer, offset, length);
+}
+
+
+NTSTATUS TCFsctlCall (PFILE_OBJECT fileObject, LONG IoControlCode,
+	void *InputBuffer, int InputBufferSize, void *OutputBuffer, int OutputBufferSize)
+{
+	IO_STATUS_BLOCK ioStatusBlock;
+	NTSTATUS ntStatus;
+	PIRP irp;
+	KEVENT event;
+	PIO_STACK_LOCATION stack;
+	PDEVICE_OBJECT deviceObject = IoGetRelatedDeviceObject (fileObject);
+
+	KeInitializeEvent(&event, NotificationEvent, FALSE);
+
+	irp = IoBuildDeviceIoControlRequest (IoControlCode,
+					     deviceObject,
+					     InputBuffer, InputBufferSize,
+					     OutputBuffer, OutputBufferSize,
+					     FALSE,
+					     &event,
+					     &ioStatusBlock);
+
+	if (irp == NULL)
+		return STATUS_INSUFFICIENT_RESOURCES;
+
+	stack = IoGetNextIrpStackLocation(irp);
+	
+	stack->MajorFunction = IRP_MJ_FILE_SYSTEM_CONTROL;
+	stack->MinorFunction = IRP_MN_USER_FS_REQUEST;
+	stack->FileObject = fileObject;
+
+	ntStatus = IoCallDriver (deviceObject, irp);
+	if (ntStatus == STATUS_PENDING)
+	{
+		KeWaitForSingleObject (&event, Executive, KernelMode, FALSE, NULL);
+		ntStatus = ioStatusBlock.Status;
+	}
+
+	return ntStatus;
+}
+
+
+NTSTATUS CreateDriveLink (int nDosDriveNo)
+{
+	WCHAR dev[128], link[128];
+	UNICODE_STRING deviceName, symLink;
+	NTSTATUS ntStatus;
+
+	TCGetNTNameFromNumber (dev, sizeof(dev),nDosDriveNo);
+	TCGetDosNameFromNumber (link, sizeof(link),nDosDriveNo, DeviceNamespaceDefault);
+
+	RtlInitUnicodeString (&deviceName, dev);
+	RtlInitUnicodeString (&symLink, link);
+
+	ntStatus = IoCreateSymbolicLink (&symLink, &deviceName);
+	Dump ("IoCreateSymbolicLink returned %X\n", ntStatus);
+	return ntStatus;
+}
+
+
+NTSTATUS RemoveDriveLink (int nDosDriveNo)
+{
+	WCHAR link[256];
+	UNICODE_STRING symLink;
+	NTSTATUS ntStatus;
+
+	TCGetDosNameFromNumber (link, sizeof(link),nDosDriveNo, DeviceNamespaceDefault);
+	RtlInitUnicodeString (&symLink, link);
+
+	ntStatus = IoDeleteSymbolicLink (&symLink);
+	Dump ("IoDeleteSymbolicLink returned %X\n", ntStatus);
+	return ntStatus;
+}
+
+
+NTSTATUS MountManagerMount (MOUNT_STRUCT *mount)
+{
+	NTSTATUS ntStatus; 
+	WCHAR arrVolume[256];
+	char buf[200];
+	PMOUNTMGR_TARGET_NAME in = (PMOUNTMGR_TARGET_NAME) buf;
+	PMOUNTMGR_CREATE_POINT_INPUT point = (PMOUNTMGR_CREATE_POINT_INPUT) buf;
+
+	TCGetNTNameFromNumber (arrVolume, sizeof(arrVolume),mount->nDosDriveNo);
+	in->DeviceNameLength = (USHORT) wcslen (arrVolume) * 2;
+	RtlStringCbCopyW(in->DeviceName, sizeof(buf) - sizeof(in->DeviceNameLength),arrVolume);
+
+	ntStatus = TCDeviceIoControl (MOUNTMGR_DEVICE_NAME, IOCTL_MOUNTMGR_VOLUME_ARRIVAL_NOTIFICATION,
+		in, (ULONG) (sizeof (in->DeviceNameLength) + wcslen (arrVolume) * 2), 0, 0);
+
+	memset (buf, 0, sizeof buf);
+	TCGetDosNameFromNumber ((PWSTR) &point[1], sizeof(buf) - sizeof(MOUNTMGR_CREATE_POINT_INPUT),mount->nDosDriveNo, DeviceNamespaceDefault);
+
+	point->SymbolicLinkNameOffset = sizeof (MOUNTMGR_CREATE_POINT_INPUT);
+	point->SymbolicLinkNameLength = (USHORT) wcslen ((PWSTR) &point[1]) * 2;
+
+	point->DeviceNameOffset = point->SymbolicLinkNameOffset + point->SymbolicLinkNameLength;
+	TCGetNTNameFromNumber ((PWSTR) (buf + point->DeviceNameOffset), sizeof(buf) - point->DeviceNameOffset,mount->nDosDriveNo);
+	point->DeviceNameLength = (USHORT) wcslen ((PWSTR) (buf + point->DeviceNameOffset)) * 2;
+
+	ntStatus = TCDeviceIoControl (MOUNTMGR_DEVICE_NAME, IOCTL_MOUNTMGR_CREATE_POINT, point,
+			point->DeviceNameOffset + point->DeviceNameLength, 0, 0);
+
+	return ntStatus;
+}
+
+
+NTSTATUS MountManagerUnmount (int nDosDriveNo)
+{
+	NTSTATUS ntStatus; 
+	char buf[256], out[300];
+	PMOUNTMGR_MOUNT_POINT in = (PMOUNTMGR_MOUNT_POINT) buf;
+
+	memset (buf, 0, sizeof buf);
+
+	TCGetDosNameFromNumber ((PWSTR) &in[1], sizeof(buf) - sizeof(MOUNTMGR_MOUNT_POINT),nDosDriveNo, DeviceNamespaceDefault);
+
+	// Only symbolic link can be deleted with IOCTL_MOUNTMGR_DELETE_POINTS. If any other entry is specified, the mount manager will ignore subsequent IOCTL_MOUNTMGR_VOLUME_ARRIVAL_NOTIFICATION for the same volume ID.
+	in->SymbolicLinkNameOffset = sizeof (MOUNTMGR_MOUNT_POINT);
+	in->SymbolicLinkNameLength = (USHORT) wcslen ((PWCHAR) &in[1]) * 2;
+
+	ntStatus = TCDeviceIoControl (MOUNTMGR_DEVICE_NAME, IOCTL_MOUNTMGR_DELETE_POINTS,
+		in, sizeof(MOUNTMGR_MOUNT_POINT) + in->SymbolicLinkNameLength, out, sizeof out);
+
+	Dump ("IOCTL_MOUNTMGR_DELETE_POINTS returned 0x%08x\n", ntStatus);
+
+	return ntStatus;
+}
+
+
+NTSTATUS MountDevice (PDEVICE_OBJECT DeviceObject, MOUNT_STRUCT *mount)
+{
+	PDEVICE_OBJECT NewDeviceObject;
+	NTSTATUS ntStatus;	
+
+	// Make sure the user is asking for a reasonable nDosDriveNo
+	if (mount->nDosDriveNo >= 0 && mount->nDosDriveNo <= 25 
+		&& IsDriveLetterAvailable (mount->nDosDriveNo, DeviceNamespaceDefault) // drive letter must not exist both locally and globally
+		&& IsDriveLetterAvailable (mount->nDosDriveNo, DeviceNamespaceGlobal)
+		)
+	{
+		Dump ("Mount request looks valid\n");
+	}
+	else
+	{
+		Dump ("WARNING: MOUNT DRIVE LETTER INVALID\n");
+		mount->nReturnCode = ERR_DRIVE_NOT_FOUND;
+		return ERR_DRIVE_NOT_FOUND;
+	}
+
+	if (!SelfTestsPassed)
+	{
+		mount->nReturnCode = ERR_SELF_TESTS_FAILED;
+		return ERR_SELF_TESTS_FAILED;
+	}
+
+	ntStatus = TCCreateDeviceObject (DeviceObject->DriverObject, &NewDeviceObject, mount);
+
+	if (!NT_SUCCESS (ntStatus))
+	{
+		Dump ("Mount CREATE DEVICE ERROR, ntStatus = 0x%08x\n", ntStatus);
+		return ntStatus;
+	}
+	else
+	{
+		PEXTENSION NewExtension = (PEXTENSION) NewDeviceObject->DeviceExtension;
+		SECURITY_SUBJECT_CONTEXT subContext;
+		PACCESS_TOKEN accessToken;
+
+		SeCaptureSubjectContext (&subContext);
+		SeLockSubjectContext(&subContext);
+		if (subContext.ClientToken && subContext.ImpersonationLevel >= SecurityImpersonation)
+			accessToken = subContext.ClientToken;
+		else
+			accessToken = subContext.PrimaryToken;
+
+		if (!accessToken)
+		{
+			ntStatus = STATUS_INVALID_PARAMETER;
+		}
+		else
+		{
+			PTOKEN_USER tokenUser;
+
+			ntStatus = SeQueryInformationToken (accessToken, TokenUser, &tokenUser);
+			if (NT_SUCCESS (ntStatus))
+			{
+				ULONG sidLength = RtlLengthSid (tokenUser->User.Sid);
+
+				NewExtension->UserSid = TCalloc (sidLength);
+				if (!NewExtension->UserSid)
+					ntStatus = STATUS_INSUFFICIENT_RESOURCES;
+				else
+					ntStatus = RtlCopySid (sidLength, NewExtension->UserSid, tokenUser->User.Sid);
+
+				ExFreePool (tokenUser);		// Documented in newer versions of WDK
+			}
+		}
+
+		SeUnlockSubjectContext(&subContext);
+		SeReleaseSubjectContext (&subContext);
+
+		if (NT_SUCCESS (ntStatus))
+			ntStatus = TCStartVolumeThread (NewDeviceObject, NewExtension, mount);
+
+		if (!NT_SUCCESS (ntStatus))
+		{
+			Dump ("Mount FAILURE NT ERROR, ntStatus = 0x%08x\n", ntStatus);
+			TCDeleteDeviceObject (NewDeviceObject, NewExtension);
+			return ntStatus;
+		}
+		else
+		{
+			if (mount->nReturnCode == 0)
+			{
+				HANDLE volumeHandle;
+				PFILE_OBJECT volumeFileObject;
+				ULONG labelLen = (ULONG) wcslen (mount->wszLabel);
+				BOOL bIsNTFS = FALSE;
+				ULONG labelMaxLen, labelEffectiveLen;
+
+				Dump ("Mount SUCCESS TC code = 0x%08x READ-ONLY = %d\n", mount->nReturnCode, NewExtension->bReadOnly);
+
+				if (NewExtension->bReadOnly)
+					NewDeviceObject->Characteristics |= FILE_READ_ONLY_DEVICE;
+
+				NewDeviceObject->Flags &= ~DO_DEVICE_INITIALIZING;
+
+				NewExtension->UniqueVolumeId = LastUniqueVolumeId++;
+
+				// check again that the drive letter is available globally and locally
+				if (	!IsDriveLetterAvailable (mount->nDosDriveNo, DeviceNamespaceDefault)
+					|| !IsDriveLetterAvailable (mount->nDosDriveNo, DeviceNamespaceGlobal)
+					)
+				{
+						TCDeleteDeviceObject (NewDeviceObject, NewExtension);
+						mount->nReturnCode = ERR_DRIVE_NOT_FOUND;
+						return ERR_DRIVE_NOT_FOUND;
+				}
+
+				if (mount->bMountManager)
+					MountManagerMount (mount);
+
+				NewExtension->bMountManager = mount->bMountManager;
+
+				// We create symbolic link even if mount manager is notified of
+				// arriving volume as it apparently sometimes fails to create the link
+				CreateDriveLink (mount->nDosDriveNo);
+
+				mount->FilesystemDirty = FALSE;
+
+				if (NT_SUCCESS (TCOpenFsVolume (NewExtension, &volumeHandle, &volumeFileObject)))
+				{
+					__try
+					{
+						ULONG fsStatus;
+
+						if (NT_SUCCESS (TCFsctlCall (volumeFileObject, FSCTL_IS_VOLUME_DIRTY, NULL, 0, &fsStatus, sizeof (fsStatus)))
+							&& (fsStatus & VOLUME_IS_DIRTY))
+						{
+							mount->FilesystemDirty = TRUE;
+						}
+					}
+					__except (EXCEPTION_EXECUTE_HANDLER)
+					{
+						mount->FilesystemDirty = TRUE;
+					}
+
+					// detect if the filesystem is NTFS or FAT
+					__try
+					{
+						NTFS_VOLUME_DATA_BUFFER ntfsData;
+						if (NT_SUCCESS (TCFsctlCall (volumeFileObject, FSCTL_GET_NTFS_VOLUME_DATA, NULL, 0, &ntfsData, sizeof (ntfsData))))
+						{
+							bIsNTFS = TRUE;
+						}
+					}
+					__except (EXCEPTION_EXECUTE_HANDLER)
+					{
+						bIsNTFS = FALSE;
+					}
+
+					NewExtension->bIsNTFS = bIsNTFS;
+					mount->bIsNTFS = bIsNTFS;
+
+					if (labelLen > 0)
+					{
+						if (bIsNTFS)
+							labelMaxLen = 32; // NTFS maximum label length
+						else
+							labelMaxLen = 11; // FAT maximum label length
+
+						// calculate label effective length
+						labelEffectiveLen = labelLen > labelMaxLen? labelMaxLen : labelLen;
+
+						// correct the label in the device
+						memset (&NewExtension->wszLabel[labelEffectiveLen], 0, 33 - labelEffectiveLen);
+						memcpy (mount->wszLabel, NewExtension->wszLabel, 33);
+
+						// set the volume label
+						__try
+						{
+							IO_STATUS_BLOCK ioblock;
+							ULONG labelInfoSize = sizeof(FILE_FS_LABEL_INFORMATION) + (labelEffectiveLen * sizeof(WCHAR));
+							FILE_FS_LABEL_INFORMATION* labelInfo = (FILE_FS_LABEL_INFORMATION*) TCalloc (labelInfoSize);
+							labelInfo->VolumeLabelLength = labelEffectiveLen * sizeof(WCHAR);
+							memcpy (labelInfo->VolumeLabel, mount->wszLabel, labelInfo->VolumeLabelLength);
+									
+							if (STATUS_SUCCESS == ZwSetVolumeInformationFile (volumeHandle, &ioblock, labelInfo, labelInfoSize, FileFsLabelInformation))
+							{
+								mount->bDriverSetLabel = TRUE;
+								NewExtension->bDriverSetLabel = TRUE;
+							}
+
+							TCfree(labelInfo);
+						}
+						__except (EXCEPTION_EXECUTE_HANDLER)
+						{
+
+						}
+					}
+
+					TCCloseFsVolume (volumeHandle, volumeFileObject);
+				}
+			}
+			else
+			{
+				Dump ("Mount FAILURE TC code = 0x%08x\n", mount->nReturnCode);
+				TCDeleteDeviceObject (NewDeviceObject, NewExtension);
+			}
+			
+			return STATUS_SUCCESS;
+		}
+	}
+}
+
+NTSTATUS UnmountDevice (UNMOUNT_STRUCT *unmountRequest, PDEVICE_OBJECT deviceObject, BOOL ignoreOpenFiles)
+{
+	PEXTENSION extension = deviceObject->DeviceExtension;
+	NTSTATUS ntStatus;
+	HANDLE volumeHandle;
+	PFILE_OBJECT volumeFileObject;
+
+	Dump ("UnmountDevice %d\n", extension->nDosDriveNo);
+
+	ntStatus = TCOpenFsVolume (extension, &volumeHandle, &volumeFileObject);
+
+	if (NT_SUCCESS (ntStatus))
+	{
+		int dismountRetry;
+
+		// Dismounting a writable NTFS filesystem prevents the driver from being unloaded on Windows 7
+		if (IsOSAtLeast (WIN_7) && !extension->bReadOnly)
+		{
+			NTFS_VOLUME_DATA_BUFFER ntfsData;
+
+			if (NT_SUCCESS (TCFsctlCall (volumeFileObject, FSCTL_GET_NTFS_VOLUME_DATA, NULL, 0, &ntfsData, sizeof (ntfsData))))
+				DriverUnloadDisabled = TRUE;
+		}
+
+		// Lock volume
+		ntStatus = TCFsctlCall (volumeFileObject, FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0);
+		Dump ("FSCTL_LOCK_VOLUME returned %X\n", ntStatus);
+
+		if (!NT_SUCCESS (ntStatus) && !ignoreOpenFiles)
+		{
+			TCCloseFsVolume (volumeHandle, volumeFileObject);
+			return ERR_FILES_OPEN;
+		}
+
+		// Dismount volume
+		for (dismountRetry = 0; dismountRetry < 200; ++dismountRetry)
+		{
+			ntStatus = TCFsctlCall (volumeFileObject, FSCTL_DISMOUNT_VOLUME, NULL, 0, NULL, 0);
+			Dump ("FSCTL_DISMOUNT_VOLUME returned %X\n", ntStatus);
+
+			if (NT_SUCCESS (ntStatus) || ntStatus == STATUS_VOLUME_DISMOUNTED)
+				break;
+
+			if (!ignoreOpenFiles)
+			{
+				TCCloseFsVolume (volumeHandle, volumeFileObject);
+				return ERR_FILES_OPEN;
+			}
+
+			TCSleep (100);
+		}
+	}
+	else 
+	{
+		// Volume cannot be opened => force dismount if allowed
+		if (!ignoreOpenFiles)
+			return ERR_FILES_OPEN;
+		else
+			volumeHandle = NULL;
+	}
+
+	if (extension->bMountManager)
+		MountManagerUnmount (extension->nDosDriveNo);
+
+	// We always remove symbolic link as mount manager might fail to do so
+	RemoveDriveLink (extension->nDosDriveNo);
+
+	extension->bShuttingDown = TRUE;
+
+	ntStatus = IoAcquireRemoveLock (&extension->Queue.RemoveLock, NULL);
+	ASSERT (NT_SUCCESS (ntStatus));
+	IoReleaseRemoveLockAndWait (&extension->Queue.RemoveLock, NULL);
+
+	if (volumeHandle != NULL)
+		TCCloseFsVolume (volumeHandle, volumeFileObject);
+
+	if (unmountRequest)
+	{
+		PCRYPTO_INFO cryptoInfo = ((PEXTENSION) deviceObject->DeviceExtension)->cryptoInfo;
+		unmountRequest->HiddenVolumeProtectionTriggered = (cryptoInfo->bProtectHiddenVolume && cryptoInfo->bHiddenVolProtectionAction);
+	}
+
+	TCDeleteDeviceObject (deviceObject, (PEXTENSION) deviceObject->DeviceExtension);
+	return 0;
+}
+
+
+static PDEVICE_OBJECT FindVolumeWithHighestUniqueId (int maxUniqueId)
+{
+	PDEVICE_OBJECT highestIdDevice = NULL;
+	int highestId = -1;
+	int drive;
+
+	for (drive = MIN_MOUNTED_VOLUME_DRIVE_NUMBER; drive <= MAX_MOUNTED_VOLUME_DRIVE_NUMBER; ++drive)
+	{
+		PDEVICE_OBJECT device = GetVirtualVolumeDeviceObject (drive);
+		if (device)
+		{
+			PEXTENSION extension = (PEXTENSION) device->DeviceExtension;
+			if (extension->UniqueVolumeId > highestId && extension->UniqueVolumeId <= maxUniqueId)
+			{
+				highestId = extension->UniqueVolumeId;
+				highestIdDevice = device;
+			}
+		}
+	}
+
+	return highestIdDevice;
+}
+
+
+NTSTATUS UnmountAllDevices (UNMOUNT_STRUCT *unmountRequest, BOOL ignoreOpenFiles)
+{
+	NTSTATUS status = 0;
+	PDEVICE_OBJECT ListDevice;
+	int maxUniqueId = LastUniqueVolumeId;
+
+	Dump ("Unmounting all volumes\n");
+
+	if (unmountRequest)
+		unmountRequest->HiddenVolumeProtectionTriggered = FALSE;
+
+	// Dismount volumes in the reverse order they were mounted to properly dismount nested volumes
+	while ((ListDevice = FindVolumeWithHighestUniqueId (maxUniqueId)) != NULL)
+	{
+		PEXTENSION ListExtension = (PEXTENSION) ListDevice->DeviceExtension;
+		maxUniqueId = ListExtension->UniqueVolumeId - 1;
+
+		if (IsVolumeAccessibleByCurrentUser (ListExtension))
+		{
+			NTSTATUS ntStatus;
+
+			if (unmountRequest)
+				unmountRequest->nDosDriveNo = ListExtension->nDosDriveNo;
+
+			ntStatus = UnmountDevice (unmountRequest, ListDevice, ignoreOpenFiles);
+			status = ntStatus == 0 ? status : ntStatus;
+
+			if (unmountRequest && unmountRequest->HiddenVolumeProtectionTriggered)
+				break;
+		}
+	}
+
+	return status;
+}
+
+// Resolves symbolic link name to its target name
+NTSTATUS SymbolicLinkToTarget (PWSTR symlinkName, PWSTR targetName, USHORT maxTargetNameLength)
+{
+	NTSTATUS ntStatus;
+	OBJECT_ATTRIBUTES objectAttributes;
+	UNICODE_STRING fullFileName;
+	HANDLE handle;
+
+	RtlInitUnicodeString (&fullFileName, symlinkName);
+	InitializeObjectAttributes (&objectAttributes, &fullFileName, OBJ_KERNEL_HANDLE | OBJ_CASE_INSENSITIVE, NULL, NULL);
+
+	ntStatus = ZwOpenSymbolicLinkObject (&handle, GENERIC_READ, &objectAttributes);
+
+	if (NT_SUCCESS (ntStatus))
+	{
+		UNICODE_STRING target;
+		target.Buffer = targetName;
+		target.Length = 0;
+		target.MaximumLength = maxTargetNameLength;
+		memset (targetName, 0, maxTargetNameLength);
+
+		ntStatus = ZwQuerySymbolicLinkObject (handle, &target, NULL);
+
+		ZwClose (handle);
+	}
+
+	return ntStatus;
+}
+
+
+// Checks if two regions overlap (borders are parts of regions)
+BOOL RegionsOverlap (unsigned __int64 start1, unsigned __int64 end1, unsigned __int64 start2, unsigned __int64 end2)
+{
+	return (start1 < start2) ? (end1 >= start2) : (start1 <= end2);
+}
+
+
+void GetIntersection (uint64 start1, uint32 length1, uint64 start2, uint64 end2, uint64 *intersectStart, uint32 *intersectLength)
+{
+	uint64 end1 = start1 + length1 - 1;
+	uint64 intersectEnd = (end1 <= end2) ? end1 : end2;
+	
+	*intersectStart = (start1 >= start2) ? start1 : start2;
+	*intersectLength = (uint32) ((*intersectStart > intersectEnd) ? 0 : intersectEnd + 1 - *intersectStart);
+	
+	if (*intersectLength == 0)
+		*intersectStart = start1;
+}
+
+
+BOOL IsAccessibleByUser (PUNICODE_STRING objectFileName, BOOL readOnly)
+{
+	OBJECT_ATTRIBUTES fileObjAttributes;
+	IO_STATUS_BLOCK ioStatusBlock;
+	HANDLE fileHandle;
+	NTSTATUS status;
+
+	ASSERT (!IoIsSystemThread (PsGetCurrentThread()));
+
+	InitializeObjectAttributes (&fileObjAttributes, objectFileName, OBJ_CASE_INSENSITIVE | OBJ_FORCE_ACCESS_CHECK | OBJ_KERNEL_HANDLE, NULL, NULL);
+	
+	status = ZwCreateFile (&fileHandle,
+		readOnly ? GENERIC_READ : GENERIC_READ | GENERIC_WRITE,
+		&fileObjAttributes,
+		&ioStatusBlock,
+		NULL,
+		FILE_ATTRIBUTE_NORMAL,
+		FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
+		FILE_OPEN,
+		FILE_SYNCHRONOUS_IO_NONALERT,
+		NULL,
+		0);
+
+	if (NT_SUCCESS (status))
+	{
+		ZwClose (fileHandle);
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+
+BOOL UserCanAccessDriveDevice ()
+{
+	UNICODE_STRING name;
+	RtlInitUnicodeString (&name, L"\\Device\\MountPointManager");
+
+	return IsAccessibleByUser (&name, FALSE);
+}
+
+BOOL IsDriveLetterAvailable (int nDosDriveNo, DeviceNamespaceType namespaceType)
+{
+	OBJECT_ATTRIBUTES objectAttributes;
+	UNICODE_STRING objectName;
+	WCHAR link[128];
+	HANDLE handle;
+	NTSTATUS ntStatus;
+
+	TCGetDosNameFromNumber (link, sizeof(link),nDosDriveNo, namespaceType);
+	RtlInitUnicodeString (&objectName, link);
+	InitializeObjectAttributes (&objectAttributes, &objectName, OBJ_KERNEL_HANDLE | OBJ_CASE_INSENSITIVE, NULL, NULL);
+
+	if (NT_SUCCESS (ntStatus = ZwOpenSymbolicLinkObject (&handle, GENERIC_READ, &objectAttributes)))
+	{
+		ZwClose (handle);
+		return FALSE;
+	}
+
+	return (ntStatus == STATUS_OBJECT_NAME_NOT_FOUND)? TRUE : FALSE;
+}
+
+
+NTSTATUS TCCompleteIrp (PIRP irp, NTSTATUS status, ULONG_PTR information)
+{
+	irp->IoStatus.Status = status;
+	irp->IoStatus.Information = information;
+	IoCompleteRequest (irp, IO_NO_INCREMENT);
+	return status;
+}
+
+
+NTSTATUS TCCompleteDiskIrp (PIRP irp, NTSTATUS status, ULONG_PTR information)
+{
+	irp->IoStatus.Status = status;
+	irp->IoStatus.Information = information;
+	IoCompleteRequest (irp, NT_SUCCESS (status) ? IO_DISK_INCREMENT : IO_NO_INCREMENT);
+	return status;
+}
+
+
+size_t GetCpuCount ()
+{
+	KAFFINITY activeCpuMap = KeQueryActiveProcessors();
+	size_t mapSize = sizeof (activeCpuMap) * 8;
+	size_t cpuCount = 0;
+
+	while (mapSize--)
+	{
+		if (activeCpuMap & 1)
+			++cpuCount;
+
+		activeCpuMap >>= 1;
+	}
+
+	if (cpuCount == 0)
+		return 1;
+
+	return cpuCount;
+}
+
+
+void EnsureNullTerminatedString (wchar_t *str, size_t maxSizeInBytes)
+{
+	ASSERT ((maxSizeInBytes & 1) == 0);
+	str[maxSizeInBytes / sizeof (wchar_t) - 1] = 0;
+}
+
+
+void *AllocateMemoryWithTimeout (size_t size, int retryDelay, int timeout)
+{
+	LARGE_INTEGER waitInterval;
+	waitInterval.QuadPart = retryDelay * -10000;
+
+	ASSERT (KeGetCurrentIrql() <= APC_LEVEL);
+	ASSERT (retryDelay > 0 && retryDelay <= timeout);
+
+	while (TRUE)
+	{
+		void *memory = TCalloc (size);
+		if (memory)
+			return memory;
+
+		timeout -= retryDelay;
+		if (timeout <= 0)
+			break;
+
+		KeDelayExecutionThread (KernelMode, FALSE, &waitInterval);
+	}
+
+	return NULL;
+}
+
+
+NTSTATUS TCReadRegistryKey (PUNICODE_STRING keyPath, wchar_t *keyValueName, PKEY_VALUE_PARTIAL_INFORMATION *keyData)
+{
+	OBJECT_ATTRIBUTES regObjAttribs;
+	HANDLE regKeyHandle;
+	NTSTATUS status;
+	UNICODE_STRING valName;
+	ULONG size = 0;
+	ULONG resultSize;
+
+	InitializeObjectAttributes (&regObjAttribs, keyPath, OBJ_KERNEL_HANDLE | OBJ_CASE_INSENSITIVE, NULL, NULL);
+	status = ZwOpenKey (&regKeyHandle, KEY_READ, &regObjAttribs);
+	if (!NT_SUCCESS (status))
+		return status;
+
+	RtlInitUnicodeString (&valName, keyValueName);
+	status = ZwQueryValueKey (regKeyHandle, &valName, KeyValuePartialInformation, NULL, 0, &size);
+		
+	if (!NT_SUCCESS (status) && status != STATUS_BUFFER_OVERFLOW && status != STATUS_BUFFER_TOO_SMALL)
+	{
+		ZwClose (regKeyHandle);
+		return status;
+	}
+
+	if (size == 0)
+	{
+		ZwClose (regKeyHandle);
+		return STATUS_NO_DATA_DETECTED;
+	}
+
+	*keyData = (PKEY_VALUE_PARTIAL_INFORMATION) TCalloc (size);
+	if (!*keyData)
+	{
+		ZwClose (regKeyHandle);
+		return STATUS_INSUFFICIENT_RESOURCES;
+	}
+
+	status = ZwQueryValueKey (regKeyHandle, &valName, KeyValuePartialInformation, *keyData, size, &resultSize);
+
+	ZwClose (regKeyHandle);
+	return status;
+}
+
+
+NTSTATUS TCWriteRegistryKey (PUNICODE_STRING keyPath, wchar_t *keyValueName, ULONG keyValueType, void *valueData, ULONG valueSize)
+{
+	OBJECT_ATTRIBUTES regObjAttribs;
+	HANDLE regKeyHandle;
+	NTSTATUS status;
+	UNICODE_STRING valName;
+
+	InitializeObjectAttributes (&regObjAttribs, keyPath, OBJ_KERNEL_HANDLE | OBJ_CASE_INSENSITIVE, NULL, NULL);
+	status = ZwOpenKey (&regKeyHandle, KEY_READ | KEY_WRITE, &regObjAttribs);
+	if (!NT_SUCCESS (status))
+		return status;
+
+	RtlInitUnicodeString (&valName, keyValueName);
+
+	status = ZwSetValueKey (regKeyHandle, &valName, 0, keyValueType, valueData, valueSize);
+
+	ZwClose (regKeyHandle);
+	return status;
+}
+
+
+BOOL IsVolumeClassFilterRegistered ()
+{
+	UNICODE_STRING name;
+	NTSTATUS status;
+	BOOL registered = FALSE;
+
+	PKEY_VALUE_PARTIAL_INFORMATION data;
+
+	RtlInitUnicodeString (&name, L"\\REGISTRY\\MACHINE\\SYSTEM\\CurrentControlSet\\Control\\Class\\{71A27CDD-812A-11D0-BEC7-08002BE2092F}");
+	status = TCReadRegistryKey (&name, L"UpperFilters", &data);
+
+	if (NT_SUCCESS (status))
+	{
+		if (data->Type == REG_MULTI_SZ && data->DataLength >= 9 * sizeof (wchar_t))
+		{
+			// Search for the string "veracrypt"
+			ULONG i;
+			for (i = 0; i <= data->DataLength - 9 * sizeof (wchar_t); ++i)
+			{
+				if (memcmp (data->Data + i, L"veracrypt", 9 * sizeof (wchar_t)) == 0)
+				{
+					Dump ("Volume class filter active\n");
+					registered = TRUE;
+					break;
+				}
+			}
+		}
+
+		TCfree (data);
+	}
+
+	return registered;
+}
+
+
+NTSTATUS ReadRegistryConfigFlags (BOOL driverEntry)
+{
+	PKEY_VALUE_PARTIAL_INFORMATION data;
+	UNICODE_STRING name;
+	NTSTATUS status;
+	uint32 flags = 0;
+
+	RtlInitUnicodeString (&name, L"\\REGISTRY\\MACHINE\\SYSTEM\\CurrentControlSet\\Services\\veracrypt");
+	status = TCReadRegistryKey (&name, TC_DRIVER_CONFIG_REG_VALUE_NAME, &data);
+
+	if (NT_SUCCESS (status))
+	{
+		if (data->Type == REG_DWORD)
+		{
+			flags = *(uint32 *) data->Data;
+			Dump ("Configuration flags = 0x%x\n", flags);
+
+			if (driverEntry)
+			{
+				if (flags & (TC_DRIVER_CONFIG_CACHE_BOOT_PASSWORD | TC_DRIVER_CONFIG_CACHE_BOOT_PASSWORD_FOR_SYS_FAVORITES))
+					CacheBootPassword = TRUE;
+
+				if (flags & TC_DRIVER_CONFIG_DISABLE_NONADMIN_SYS_FAVORITES_ACCESS)
+					NonAdminSystemFavoritesAccessDisabled = TRUE;
+
+				if (flags & TC_DRIVER_CONFIG_CACHE_BOOT_PIM)
+					CacheBootPim = TRUE;
+			}
+
+			EnableHwEncryption ((flags & TC_DRIVER_CONFIG_DISABLE_HARDWARE_ENCRYPTION) ? FALSE : TRUE);
+			
+			EnableExtendedIoctlSupport = (flags & TC_DRIVER_CONFIG_ENABLE_EXTENDED_IOCTL)? TRUE : FALSE;
+		}
+		else
+			status = STATUS_INVALID_PARAMETER;
+
+		TCfree (data);
+	}
+
+	if (driverEntry && NT_SUCCESS (TCReadRegistryKey (&name, TC_ENCRYPTION_FREE_CPU_COUNT_REG_VALUE_NAME, &data)))
+	{
+		if (data->Type == REG_DWORD)
+			EncryptionThreadPoolFreeCpuCountLimit = *(uint32 *) data->Data;
+
+		TCfree (data);
+	}
+
+	return status;
+}
+
+
+NTSTATUS WriteRegistryConfigFlags (uint32 flags)
+{
+	UNICODE_STRING name;
+	RtlInitUnicodeString (&name, L"\\REGISTRY\\MACHINE\\SYSTEM\\CurrentControlSet\\Services\\veracrypt");
+
+	return TCWriteRegistryKey (&name, TC_DRIVER_CONFIG_REG_VALUE_NAME, REG_DWORD, &flags, sizeof (flags));
+}
+
+
+NTSTATUS GetDeviceSectorSize (PDEVICE_OBJECT deviceObject, ULONG *bytesPerSector)
+{
+	NTSTATUS status;
+	DISK_GEOMETRY geometry;
+
+	status = SendDeviceIoControlRequest (deviceObject, IOCTL_DISK_GET_DRIVE_GEOMETRY, NULL, 0, &geometry, sizeof (geometry));
+
+	if (!NT_SUCCESS (status))
+		return status;
+
+	*bytesPerSector = geometry.BytesPerSector;
+	return STATUS_SUCCESS;
+}
+
+
+NTSTATUS ZeroUnreadableSectors (PDEVICE_OBJECT deviceObject, LARGE_INTEGER startOffset, ULONG size, uint64 *zeroedSectorCount)
+{
+	NTSTATUS status;
+	ULONG sectorSize;
+	ULONG sectorCount;
+	byte *sectorBuffer = NULL;
+
+	*zeroedSectorCount = 0;
+
+	status = GetDeviceSectorSize (deviceObject, &sectorSize);
+	if (!NT_SUCCESS (status))
+		return status;
+
+	sectorBuffer = TCalloc (sectorSize);
+	if (!sectorBuffer)
+		return STATUS_INSUFFICIENT_RESOURCES;
+
+	for (sectorCount = size / sectorSize; sectorCount > 0; --sectorCount, startOffset.QuadPart += sectorSize)
+	{
+		status = TCReadDevice (deviceObject, sectorBuffer, startOffset, sectorSize);
+		if (!NT_SUCCESS (status))
+		{
+			Dump ("Zeroing sector at %I64d\n", startOffset.QuadPart);
+			memset (sectorBuffer, 0, sectorSize);
+
+			status = TCWriteDevice (deviceObject, sectorBuffer, startOffset, sectorSize);
+			if (!NT_SUCCESS (status))
+				goto err;
+
+			++(*zeroedSectorCount);
+		}
+	}
+
+	status = STATUS_SUCCESS;
+
+err:
+	if (sectorBuffer)
+		TCfree (sectorBuffer);
+
+	return status;
+}
+
+
+NTSTATUS ReadDeviceSkipUnreadableSectors (PDEVICE_OBJECT deviceObject, byte *buffer, LARGE_INTEGER startOffset, ULONG size, uint64 *badSectorCount)
+{
+	NTSTATUS status;
+	ULONG sectorSize;
+	ULONG sectorCount;
+
+	*badSectorCount = 0;
+
+	status = GetDeviceSectorSize (deviceObject, &sectorSize);
+	if (!NT_SUCCESS (status))
+		return status;
+
+	for (sectorCount = size / sectorSize; sectorCount > 0; --sectorCount, startOffset.QuadPart += sectorSize, buffer += sectorSize)
+	{
+		status = TCReadDevice (deviceObject, buffer, startOffset, sectorSize);
+		if (!NT_SUCCESS (status))
+		{
+			Dump ("Skipping bad sector at %I64d\n", startOffset.QuadPart);
+			memset (buffer, 0, sectorSize);
+			++(*badSectorCount);
+		}
+	}
+
+	return STATUS_SUCCESS;
+}
+
+
+BOOL IsVolumeAccessibleByCurrentUser (PEXTENSION volumeDeviceExtension)
+{
+	SECURITY_SUBJECT_CONTEXT subContext;
+	PACCESS_TOKEN accessToken;
+	PTOKEN_USER tokenUser;
+	BOOL result = FALSE;
+
+	if (IoIsSystemThread (PsGetCurrentThread())
+		|| UserCanAccessDriveDevice()
+		|| !volumeDeviceExtension->UserSid
+		|| (volumeDeviceExtension->SystemFavorite && !NonAdminSystemFavoritesAccessDisabled))
+	{
+		return TRUE;
+	}
+
+	SeCaptureSubjectContext (&subContext);
+	SeLockSubjectContext(&subContext);
+	if (subContext.ClientToken && subContext.ImpersonationLevel >= SecurityImpersonation)
+		accessToken = subContext.ClientToken;
+	else
+		accessToken = subContext.PrimaryToken;
+
+	if (!accessToken)
+		goto ret;
+	
+	if (SeTokenIsAdmin (accessToken))
+	{
+		result = TRUE;
+		goto ret;
+	}
+
+	if (!NT_SUCCESS (SeQueryInformationToken (accessToken, TokenUser, &tokenUser)))
+		goto ret;
+
+	result = RtlEqualSid (volumeDeviceExtension->UserSid, tokenUser->User.Sid);
+	ExFreePool (tokenUser);		// Documented in newer versions of WDK
+
+ret:
+	SeUnlockSubjectContext(&subContext);
+	SeReleaseSubjectContext (&subContext);
+	return result;
+}
+
+
+void GetElapsedTimeInit (LARGE_INTEGER *lastPerfCounter)
+{
+	*lastPerfCounter = KeQueryPerformanceCounter (NULL);
+}
+
+
+// Returns elapsed time in microseconds since last call
+int64 GetElapsedTime (LARGE_INTEGER *lastPerfCounter)
+{
+	LARGE_INTEGER freq;
+	LARGE_INTEGER counter = KeQueryPerformanceCounter (&freq);
+
+	int64 elapsed = (counter.QuadPart - lastPerfCounter->QuadPart) * 1000000LL / freq.QuadPart;
+	*lastPerfCounter = counter;
+
+	return elapsed;
+}
+
+
+BOOL IsOSAtLeast (OSVersionEnum reqMinOS)
+{
+	/* When updating this function, update IsOSVersionAtLeast() in Dlgcode.c too. */
+
+	ULONG major = 0, minor = 0;
+
+	ASSERT (OsMajorVersion != 0);
+
+	switch (reqMinOS)
+	{
+	case WIN_2000:			major = 5; minor = 0; break;
+	case WIN_XP:			major = 5; minor = 1; break;
+	case WIN_SERVER_2003:	major = 5; minor = 2; break;
+	case WIN_VISTA:			major = 6; minor = 0; break;
+	case WIN_7:				major = 6; minor = 1; break;
+	case WIN_8:				major = 6; minor = 2; break;
+	case WIN_8_1:			major = 6; minor = 3; break;
+	case WIN_10:			major = 10; minor = 0; break;
+
+	default:
+		TC_THROW_FATAL_EXCEPTION;
+		break;
+	}
+
+	return ((OsMajorVersion << 16 | OsMinorVersion << 8)
+		>= (major << 16 | minor << 8));
+}