From c606f0866c3a2a5db3ef9bc41738ef33eb9612a9 Mon Sep 17 00:00:00 2001
From: Mounir IDRASSI <mounir.idrassi@idrix.fr>
Date: Sat, 22 Jun 2013 16:16:13 +0200
Subject: Add original TrueCrypt 7.1a sources

---
 src/Driver/DriveFilter.h | 85 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 src/Driver/DriveFilter.h

(limited to 'src/Driver/DriveFilter.h')

diff --git a/src/Driver/DriveFilter.h b/src/Driver/DriveFilter.h
new file mode 100644
index 00000000..ca3a75dd
--- /dev/null
+++ b/src/Driver/DriveFilter.h
@@ -0,0 +1,85 @@
+/*
+ Copyright (c) 2008-2010 TrueCrypt Developers Association. All rights reserved.
+
+ Governed by the TrueCrypt License 3.0 the full text of which is contained in
+ the file License.txt included in TrueCrypt binary and source code distribution
+ packages.
+*/
+
+#ifndef TC_HEADER_DRIVER_DRIVE_FILTER
+#define TC_HEADER_DRIVER_DRIVE_FILTER
+
+#include "TCdefs.h"
+#include "Boot/Windows/BootCommon.h"
+#include "EncryptedIoQueue.h"
+
+typedef struct _DriveFilterExtension
+{
+	BOOL bRootDevice;
+	BOOL IsVolumeDevice;
+	BOOL IsDriveFilterDevice;
+	BOOL IsVolumeFilterDevice;
+	uint64 MagicNumber;
+
+	PDEVICE_OBJECT DeviceObject;
+	PDEVICE_OBJECT LowerDeviceObject;
+	PDEVICE_OBJECT Pdo;
+
+	ULONG SystemStorageDeviceNumber;
+	BOOL SystemStorageDeviceNumberValid;
+
+	int64 ConfiguredEncryptedAreaStart;
+	int64 ConfiguredEncryptedAreaEnd;
+
+	uint32 VolumeHeaderSaltCrc32;
+	EncryptedIoQueue Queue;
+
+	BOOL BootDrive;
+	BOOL VolumeHeaderPresent;
+	BOOL DriveMounted;
+
+	KEVENT MountWorkItemCompletedEvent;
+
+	CRYPTO_INFO *HeaderCryptoInfo;
+	BOOL HiddenSystem;
+
+} DriveFilterExtension;
+
+#define TC_BOOT_DRIVE_FILTER_EXTENSION_MAGIC_NUMBER 0x5452554542455854
+
+extern BOOL BootArgsValid;
+extern BootArguments BootArgs;
+extern PKTHREAD EncryptionSetupThread;
+extern PKTHREAD DecoySystemWipeThread;
+
+NTSTATUS AbortBootEncryptionSetup ();
+NTSTATUS DriveFilterAddDevice (PDRIVER_OBJECT driverObject, PDEVICE_OBJECT pdo);
+NTSTATUS DriveFilterDispatchIrp (PDEVICE_OBJECT DeviceObject, PIRP Irp);
+void GetBootDriveVolumeProperties (PIRP irp, PIO_STACK_LOCATION irpSp);
+void GetBootEncryptionAlgorithmName (PIRP irp, PIO_STACK_LOCATION irpSp);
+void GetBootEncryptionStatus (PIRP irp, PIO_STACK_LOCATION irpSp);
+void GetBootLoaderVersion (PIRP irp, PIO_STACK_LOCATION irpSp);
+NTSTATUS GetSetupResult ();
+DriveFilterExtension *GetBootDriveFilterExtension ();
+CRYPTO_INFO *GetSystemDriveCryptoInfo ();
+BOOL IsBootDriveMounted ();
+BOOL IsBootEncryptionSetupInProgress ();
+BOOL IsHiddenSystemRunning ();
+NTSTATUS LoadBootArguments ();
+static NTSTATUS SaveDriveVolumeHeader (DriveFilterExtension *Extension);
+NTSTATUS StartBootEncryptionSetup (PDEVICE_OBJECT DeviceObject, PIRP irp, PIO_STACK_LOCATION irpSp);
+void ReopenBootVolumeHeader (PIRP irp, PIO_STACK_LOCATION irpSp);
+NTSTATUS StartDecoySystemWipe (PDEVICE_OBJECT DeviceObject, PIRP irp, PIO_STACK_LOCATION irpSp);
+void StartLegacyHibernationDriverFilter ();
+NTSTATUS AbortDecoySystemWipe ();
+BOOL IsDecoySystemWipeInProgress();
+NTSTATUS GetDecoySystemWipeResult();
+void GetDecoySystemWipeStatus (PIRP irp, PIO_STACK_LOCATION irpSp);
+uint64 GetBootDriveLength ();
+NTSTATUS WriteBootDriveSector (PIRP irp, PIO_STACK_LOCATION irpSp);
+
+#define TC_ENCRYPTION_SETUP_IO_BLOCK_SIZE (1536 * 1024)
+#define TC_ENCRYPTION_SETUP_HEADER_UPDATE_THRESHOLD (64 * 1024 * 1024)
+#define TC_HIBERNATION_WRITE_BUFFER_SIZE (128 * 1024)
+
+#endif // TC_HEADER_DRIVER_DRIVE_FILTER
-- 
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