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Member "src/Driver/DriveFilter.h" (10 Oct 2018, 3171 Bytes) of package /windows/misc/VeraCrypt_1.23-Hotfix-2_Source.zip:


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    1 /*
    2  Derived from source code of TrueCrypt 7.1a, which is
    3  Copyright (c) 2008-2012 TrueCrypt Developers Association and which is governed
    4  by the TrueCrypt License 3.0.
    5 
    6  Modifications and additions to the original source code (contained in this file)
    7  and all other portions of this file are Copyright (c) 2013-2017 IDRIX
    8  and are governed by the Apache License 2.0 the full text of which is
    9  contained in the file License.txt included in VeraCrypt binary and source
   10  code distribution packages.
   11 */
   12 
   13 #ifndef TC_HEADER_DRIVER_DRIVE_FILTER
   14 #define TC_HEADER_DRIVER_DRIVE_FILTER
   15 
   16 #include "TCdefs.h"
   17 #include "Boot/Windows/BootCommon.h"
   18 #include "EncryptedIoQueue.h"
   19 
   20 typedef struct _DriveFilterExtension
   21 {
   22     BOOL bRootDevice;
   23     BOOL IsVolumeDevice;
   24     BOOL IsDriveFilterDevice;
   25     BOOL IsVolumeFilterDevice;
   26     uint64 MagicNumber;
   27 
   28     PDEVICE_OBJECT DeviceObject;
   29     PDEVICE_OBJECT LowerDeviceObject;
   30     PDEVICE_OBJECT Pdo;
   31 
   32     ULONG SystemStorageDeviceNumber;
   33     BOOL SystemStorageDeviceNumberValid;
   34 
   35     int64 ConfiguredEncryptedAreaStart;
   36     int64 ConfiguredEncryptedAreaEnd;
   37 
   38     uint32 VolumeHeaderSaltCrc32;
   39     EncryptedIoQueue Queue;
   40 
   41     BOOL BootDrive;
   42     BOOL VolumeHeaderPresent;
   43     BOOL DriveMounted;
   44 
   45     KEVENT MountWorkItemCompletedEvent;
   46 
   47     CRYPTO_INFO *HeaderCryptoInfo;
   48     BOOL HiddenSystem;
   49 
   50 } DriveFilterExtension;
   51 
   52 #define TC_BOOT_DRIVE_FILTER_EXTENSION_MAGIC_NUMBER 0x5645524142455854
   53 
   54 extern BOOL BootArgsValid;
   55 extern BootArguments BootArgs;
   56 extern PKTHREAD EncryptionSetupThread;
   57 extern PKTHREAD DecoySystemWipeThread;
   58 
   59 NTSTATUS AbortBootEncryptionSetup ();
   60 NTSTATUS DriveFilterAddDevice (PDRIVER_OBJECT driverObject, PDEVICE_OBJECT pdo);
   61 NTSTATUS DriveFilterDispatchIrp (PDEVICE_OBJECT DeviceObject, PIRP Irp);
   62 void GetBootDriveVolumeProperties (PIRP irp, PIO_STACK_LOCATION irpSp);
   63 void GetBootEncryptionAlgorithmName (PIRP irp, PIO_STACK_LOCATION irpSp);
   64 void GetBootEncryptionStatus (PIRP irp, PIO_STACK_LOCATION irpSp);
   65 void GetBootLoaderVersion (PIRP irp, PIO_STACK_LOCATION irpSp);
   66 void GetBootLoaderFingerprint (PIRP irp, PIO_STACK_LOCATION irpSp);
   67 NTSTATUS GetSetupResult ();
   68 DriveFilterExtension *GetBootDriveFilterExtension ();
   69 CRYPTO_INFO *GetSystemDriveCryptoInfo ();
   70 BOOL IsBootDriveMounted ();
   71 BOOL IsBootEncryptionSetupInProgress ();
   72 BOOL IsHiddenSystemRunning ();
   73 NTSTATUS LoadBootArguments ();
   74 static NTSTATUS SaveDriveVolumeHeader (DriveFilterExtension *Extension);
   75 NTSTATUS StartBootEncryptionSetup (PDEVICE_OBJECT DeviceObject, PIRP irp, PIO_STACK_LOCATION irpSp);
   76 void ReopenBootVolumeHeader (PIRP irp, PIO_STACK_LOCATION irpSp);
   77 NTSTATUS StartDecoySystemWipe (PDEVICE_OBJECT DeviceObject, PIRP irp, PIO_STACK_LOCATION irpSp);
   78 void StartLegacyHibernationDriverFilter ();
   79 NTSTATUS AbortDecoySystemWipe ();
   80 BOOL IsDecoySystemWipeInProgress();
   81 NTSTATUS GetDecoySystemWipeResult();
   82 void GetDecoySystemWipeStatus (PIRP irp, PIO_STACK_LOCATION irpSp);
   83 uint64 GetBootDriveLength ();
   84 NTSTATUS WriteBootDriveSector (PIRP irp, PIO_STACK_LOCATION irpSp);
   85 
   86 #define TC_ENCRYPTION_SETUP_IO_BLOCK_SIZE (1536 * 1024)
   87 #define TC_ENCRYPTION_SETUP_HEADER_UPDATE_THRESHOLD (64 * 1024 * 1024)
   88 #define TC_HIBERNATION_WRITE_BUFFER_SIZE (128 * 1024)
   89 
   90 #endif // TC_HEADER_DRIVER_DRIVE_FILTER