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1.1.1.10 root 1: /*
1.1.1.12 root 2: Legal Notice: Some portions of the source code contained in this file were
3: derived from the source code of Encryption for the Masses 2.02a, which is
4: Copyright (c) 1998-2000 Paul Le Roux and which is governed by the 'License
5: Agreement for Encryption for the Masses'. Modifications and additions to
1.1.1.20! root 6: the original source code (contained in this file) and all other portions
! 7: of this file are Copyright (c) 2003-2009 TrueCrypt Developers Association
! 8: and are governed by the TrueCrypt License 2.8 the full text of which is
! 9: contained in the file License.txt included in TrueCrypt binary and source
! 10: code distribution packages. */
1.1 root 11:
1.1.1.12 root 12: #ifndef TC_HEADER_NTDRIVER
13: #define TC_HEADER_NTDRIVER
14:
1.1.1.19 root 15: #include "Common.h"
1.1.1.12 root 16: #include "EncryptedIoQueue.h"
17:
1.1 root 18: /* This structure is used to start new threads */
19: typedef struct _THREAD_BLOCK_
20: {
21: PDEVICE_OBJECT DeviceObject;
22: NTSTATUS ntCreateStatus;
1.1.1.7 root 23: WCHAR wszMountVolume[TC_MAX_PATH + 8];
1.1 root 24: MOUNT_STRUCT *mount;
25: } THREAD_BLOCK, *PTHREAD_BLOCK;
26:
1.1.1.12 root 27:
1.1 root 28: /* This structure is allocated for non-root devices! WARNING: bRootDevice
29: must be the first member of the structure! */
30: typedef struct EXTENSION
31: {
1.1.1.14 root 32: BOOL bRootDevice; /* Is this the root device ? which the user-mode apps talk to */
1.1.1.15 root 33: BOOL IsVolumeDevice;
1.1.1.12 root 34: BOOL IsDriveFilterDevice;
1.1.1.15 root 35: BOOL IsVolumeFilterDevice;
1.1 root 36:
1.1.1.14 root 37: ULONG lMagicNumber; /* To ensure the completion routine is not sending us bad IRP's */
1.1 root 38:
1.1.1.6 root 39: int UniqueVolumeId;
1.1.1.14 root 40: int nDosDriveNo; /* Drive number this extension is mounted against */
41:
1.1 root 42: BOOL bShuttingDown; /* Is the driver shutting down ? */
43: BOOL bThreadShouldQuit; /* Instruct per device worker thread to quit */
44: PETHREAD peThread; /* Thread handle */
45: KEVENT keCreateEvent; /* Device creation event */
46: KSPIN_LOCK ListSpinLock; /* IRP spinlock */
47: LIST_ENTRY ListEntry; /* IRP listentry */
48: KSEMAPHORE RequestSemaphore; /* IRP list request Semaphore */
49:
50: HANDLE hDeviceFile; /* Device handle for this device */
51: PFILE_OBJECT pfoDeviceFile; /* Device fileobject for this device */
52: PDEVICE_OBJECT pFsdDevice; /* lower level device handle */
53:
1.1.1.6 root 54: CRYPTO_INFO *cryptoInfo; /* Cryptographic and other information for this device */
1.1 root 55:
1.1.1.17 root 56: __int64 HostLength;
1.1 root 57: __int64 DiskLength; /* The length of the disk referred to by this device */
58: __int64 NumberOfCylinders; /* Partition info */
59: ULONG TracksPerCylinder; /* Partition info */
60: ULONG SectorsPerTrack; /* Partition info */
61: ULONG BytesPerSector; /* Partition info */
62: UCHAR PartitionType; /* Partition info */
1.1.1.10 root 63:
64: int HostBytesPerSector;
1.1 root 65:
66: KEVENT keVolumeEvent; /* Event structure used when setting up a device */
67:
1.1.1.12 root 68: EncryptedIoQueue Queue;
1.1.1.8 root 69:
1.1.1.4 root 70: BOOL bReadOnly; /* Is this device read-only ? */
71: BOOL bRemovable; /* Is this device removable media ? */
1.1.1.19 root 72: BOOL PartitionInInactiveSysEncScope;
1.1.1.4 root 73: BOOL bRawDevice; /* Is this a raw-partition or raw-floppy device ? */
74: BOOL bMountManager; /* Mount manager knows about volume */
1.1.1.19 root 75: BOOL SystemFavorite;
1.1 root 76:
1.1.1.7 root 77: WCHAR wszVolume[TC_MAX_PATH]; /* DONT change this size without also changing MOUNT_LIST_STRUCT! */
1.1 root 78:
1.1.1.4 root 79: LARGE_INTEGER fileCreationTime;
80: LARGE_INTEGER fileLastAccessTime;
81: LARGE_INTEGER fileLastWriteTime;
82: LARGE_INTEGER fileLastChangeTime;
1.1.1.6 root 83: BOOL bTimeStampValid;
84:
1.1.1.16 root 85: PSID UserSid;
86: BOOL SecurityClientContextValid;
87: SECURITY_CLIENT_CONTEXT SecurityClientContext;
88:
1.1 root 89: } EXTENSION, *PEXTENSION;
90:
1.1.1.16 root 91:
92: typedef enum
93: {
94: ValidateInput,
95: ValidateOutput,
96: ValidateInputOutput
97: } ValidateIOBufferSizeType;
98:
99:
1.1.1.14 root 100: extern PDRIVER_OBJECT TCDriverObject;
1.1.1.12 root 101: extern BOOL DriverShuttingDown;
1.1.1.10 root 102: extern ULONG OsMajorVersion;
1.1.1.14 root 103: extern ULONG OsMinorVersion;
1.1.1.17 root 104: extern BOOL VolumeClassFilterRegistered;
1.1.1.16 root 105: extern BOOL CacheBootPassword;
1.1.1.10 root 106:
1.1 root 107: /* Helper macro returning x seconds in units of 100 nanoseconds */
1.1.1.4 root 108: #define WAIT_SECONDS(x) ((x)*10000000)
1.1 root 109:
110: NTSTATUS DriverEntry (PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath);
1.1.1.15 root 111: NTSTATUS DriverAddDevice (PDRIVER_OBJECT driverObject, PDEVICE_OBJECT pdo);
1.1.1.12 root 112: void DumpMemory (void *memory, int size);
113: BOOL IsAccessibleByUser (PUNICODE_STRING objectFileName, BOOL readOnly);
114: NTSTATUS ProcessMainDeviceControlIrp (PDEVICE_OBJECT DeviceObject, PEXTENSION Extension, PIRP Irp);
115: NTSTATUS ProcessVolumeDeviceControlIrp (PDEVICE_OBJECT DeviceObject, PEXTENSION Extension, PIRP Irp);
116: NTSTATUS SendDeviceIoControlRequest (PDEVICE_OBJECT deviceObject, ULONG ioControlCode, void *inputBuffer, int inputBufferSize, void *outputBuffer, int outputBufferSize);
1.1 root 117: NTSTATUS TCDispatchQueueIRP (PDEVICE_OBJECT DeviceObject, PIRP Irp);
118: NTSTATUS TCCreateRootDeviceObject (PDRIVER_OBJECT DriverObject);
1.1.1.4 root 119: NTSTATUS TCCreateDeviceObject (PDRIVER_OBJECT DriverObject, PDEVICE_OBJECT * ppDeviceObject, MOUNT_STRUCT * mount);
1.1.1.12 root 120: NTSTATUS TCReadDevice (PDEVICE_OBJECT deviceObject, PVOID buffer, LARGE_INTEGER offset, ULONG length);
121: NTSTATUS TCWriteDevice (PDEVICE_OBJECT deviceObject, PVOID buffer, LARGE_INTEGER offset, ULONG length);
122: NTSTATUS TCStartThread (PKSTART_ROUTINE threadProc, PVOID threadArg, PKTHREAD *kThread);
1.1.1.13 root 123: NTSTATUS TCStartThreadInProcess (PKSTART_ROUTINE threadProc, PVOID threadArg, PKTHREAD *kThread, PEPROCESS process);
1.1.1.12 root 124: NTSTATUS TCStartVolumeThread (PDEVICE_OBJECT DeviceObject, PEXTENSION Extension, MOUNT_STRUCT * mount);
125: void TCStopThread (PKTHREAD kThread, PKEVENT wakeUpEvent);
126: void TCStopVolumeThread (PDEVICE_OBJECT DeviceObject, PEXTENSION Extension);
127: VOID VolumeThreadProc (PVOID Context);
1.1.1.5 root 128: void TCSleep (int milliSeconds);
1.1 root 129: void TCGetNTNameFromNumber (LPWSTR ntname, int nDriveNo);
130: void TCGetDosNameFromNumber (LPWSTR dosname, int nDriveNo);
131: LPWSTR TCTranslateCode (ULONG ulCode);
132: PDEVICE_OBJECT TCDeleteDeviceObject (PDEVICE_OBJECT DeviceObject, PEXTENSION Extension);
133: VOID TCUnloadDriver (PDRIVER_OBJECT DriverObject);
1.1.1.19 root 134: NTSTATUS TCDeviceIoControl (PWSTR deviceName, ULONG IoControlCode, void *InputBuffer, ULONG InputBufferSize, void *OutputBuffer, ULONG OutputBufferSize);
1.1.1.4 root 135: NTSTATUS TCOpenFsVolume (PEXTENSION Extension, PHANDLE volumeHandle, PFILE_OBJECT * fileObject);
136: void TCCloseFsVolume (HANDLE volumeHandle, PFILE_OBJECT fileObject);
137: NTSTATUS TCFsctlCall (PFILE_OBJECT fileObject, LONG IoControlCode, void *InputBuffer, int InputBufferSize, void *OutputBuffer, int OutputBufferSize);
1.1.1.6 root 138: NTSTATUS CreateDriveLink (int nDosDriveNo);
139: NTSTATUS RemoveDriveLink (int nDosDriveNo);
1.1.1.4 root 140: NTSTATUS MountManagerMount (MOUNT_STRUCT *mount);
141: NTSTATUS MountManagerUnmount (int nDosDriveNo);
142: NTSTATUS MountDevice (PDEVICE_OBJECT deviceObject, MOUNT_STRUCT *mount);
1.1.1.15 root 143: NTSTATUS UnmountDevice (UNMOUNT_STRUCT *unmountRequest, PDEVICE_OBJECT deviceObject, BOOL ignoreOpenFiles);
144: NTSTATUS UnmountAllDevices (UNMOUNT_STRUCT *unmountRequest, PDEVICE_OBJECT DeviceObject, BOOL ignoreOpenFiles);
1.1.1.4 root 145: NTSTATUS SymbolicLinkToTarget (PWSTR symlinkName, PWSTR targetName, USHORT maxTargetNameLength);
1.1.1.5 root 146: void DriverMutexWait ();
1.1.1.19 root 147: BOOL DriverMutexAcquireNoWait ();
1.1.1.5 root 148: void DriverMutexRelease ();
1.1.1.6 root 149: BOOL RegionsOverlap (unsigned __int64 start1, unsigned __int64 end1, unsigned __int64 start2, unsigned __int64 end2);
1.1.1.12 root 150: void GetIntersection (uint64 start1, uint32 length1, uint64 start2, uint64 end2, uint64 *intersectStart, uint32 *intersectLength);
151: NTSTATUS TCCompleteIrp (PIRP irp, NTSTATUS status, ULONG_PTR information);
152: NTSTATUS TCCompleteDiskIrp (PIRP irp, NTSTATUS status, ULONG_PTR information);
153: NTSTATUS ProbeRealDriveSize (PDEVICE_OBJECT driveDeviceObject, LARGE_INTEGER *driveSize);
1.1.1.14 root 154: BOOL UserCanAccessDriveDevice ();
1.1.1.15 root 155: size_t GetCpuCount ();
156: void EnsureNullTerminatedString (wchar_t *str, size_t maxSizeInBytes);
157: void *AllocateMemoryWithTimeout (size_t size, int retryDelay, int timeout);
158: BOOL IsDriveLetterAvailable (int nDosDriveNo);
159: NTSTATUS TCReadRegistryKey (PUNICODE_STRING keyPath, wchar_t *keyValueName, PKEY_VALUE_PARTIAL_INFORMATION *keyData);
160: NTSTATUS TCWriteRegistryKey (PUNICODE_STRING keyPath, wchar_t *keyValueName, ULONG keyValueType, void *valueData, ULONG valueSize);
161: BOOL IsVolumeClassFilterRegistered ();
162: uint32 ReadRegistryConfigFlags ();
163: NTSTATUS WriteRegistryConfigFlags (uint32 flags);
1.1.1.16 root 164: BOOL ValidateIOBufferSize (PIRP irp, size_t requiredBufferSize, ValidateIOBufferSizeType type);
165: NTSTATUS GetDeviceSectorSize (PDEVICE_OBJECT deviceObject, ULONG *bytesPerSector);
166: NTSTATUS ZeroUnreadableSectors (PDEVICE_OBJECT deviceObject, LARGE_INTEGER startOffset, ULONG size, uint64 *zeroedSectorCount);
1.1.1.17 root 167: NTSTATUS ReadDeviceSkipUnreadableSectors (PDEVICE_OBJECT deviceObject, byte *buffer, LARGE_INTEGER startOffset, ULONG size, uint64 *badSectorCount);
1.1.1.16 root 168: BOOL IsVolumeAccessibleByCurrentUser (PEXTENSION volumeDeviceExtension);
1.1.1.17 root 169: void GetElapsedTimeInit (LARGE_INTEGER *lastPerfCounter);
170: int64 GetElapsedTime (LARGE_INTEGER *lastPerfCounter);
1.1.1.19 root 171: BOOL IsOSAtLeast (OSVersionEnum reqMinOS);
1.1.1.12 root 172:
1.1.1.19 root 173: #define TC_BUG_CHECK(status) KeBugCheckEx (SECURITY_SYSTEM, __LINE__, (ULONG_PTR) status, 0, 'TC')
1.1.1.12 root 174:
175: #endif // TC_HEADER_NTDRIVER
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