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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
6: the original source code (contained in this file) and all other portions of
1.1.1.17 root 7: this file are Copyright (c) 2003-2009 TrueCrypt Foundation and are governed
1.1.1.18! root 8: by the TrueCrypt License 2.7 the full text of which is contained in the
1.1.1.12 root 9: file License.txt included in TrueCrypt binary and source code distribution
1.1.1.10 root 10: packages. */
1.1 root 11:
1.1.1.12 root 12: #ifndef TC_HEADER_NTDRIVER
13: #define TC_HEADER_NTDRIVER
14:
15: #include "EncryptedIoQueue.h"
16:
1.1 root 17: /* This structure is used to start new threads */
18: typedef struct _THREAD_BLOCK_
19: {
20: PDEVICE_OBJECT DeviceObject;
21: NTSTATUS ntCreateStatus;
1.1.1.7 root 22: WCHAR wszMountVolume[TC_MAX_PATH + 8];
1.1 root 23: MOUNT_STRUCT *mount;
24: } THREAD_BLOCK, *PTHREAD_BLOCK;
25:
1.1.1.12 root 26:
1.1 root 27: /* This structure is allocated for non-root devices! WARNING: bRootDevice
28: must be the first member of the structure! */
29: typedef struct EXTENSION
30: {
1.1.1.14 root 31: BOOL bRootDevice; /* Is this the root device ? which the user-mode apps talk to */
1.1.1.15 root 32: BOOL IsVolumeDevice;
1.1.1.12 root 33: BOOL IsDriveFilterDevice;
1.1.1.15 root 34: BOOL IsVolumeFilterDevice;
1.1 root 35:
1.1.1.14 root 36: ULONG lMagicNumber; /* To ensure the completion routine is not sending us bad IRP's */
1.1 root 37:
1.1.1.6 root 38: int UniqueVolumeId;
1.1.1.14 root 39: int nDosDriveNo; /* Drive number this extension is mounted against */
40:
1.1 root 41: BOOL bShuttingDown; /* Is the driver shutting down ? */
42: BOOL bThreadShouldQuit; /* Instruct per device worker thread to quit */
43: PETHREAD peThread; /* Thread handle */
44: KEVENT keCreateEvent; /* Device creation event */
45: KSPIN_LOCK ListSpinLock; /* IRP spinlock */
46: LIST_ENTRY ListEntry; /* IRP listentry */
47: KSEMAPHORE RequestSemaphore; /* IRP list request Semaphore */
48:
49: HANDLE hDeviceFile; /* Device handle for this device */
50: PFILE_OBJECT pfoDeviceFile; /* Device fileobject for this device */
51: PDEVICE_OBJECT pFsdDevice; /* lower level device handle */
52:
1.1.1.6 root 53: CRYPTO_INFO *cryptoInfo; /* Cryptographic and other information for this device */
1.1 root 54:
1.1.1.17 root 55: __int64 HostLength;
1.1 root 56: __int64 DiskLength; /* The length of the disk referred to by this device */
57: __int64 NumberOfCylinders; /* Partition info */
58: ULONG TracksPerCylinder; /* Partition info */
59: ULONG SectorsPerTrack; /* Partition info */
60: ULONG BytesPerSector; /* Partition info */
61: UCHAR PartitionType; /* Partition info */
1.1.1.10 root 62:
63: int HostBytesPerSector;
1.1 root 64:
65: KEVENT keVolumeEvent; /* Event structure used when setting up a device */
66:
1.1.1.12 root 67: EncryptedIoQueue Queue;
1.1.1.8 root 68:
1.1.1.4 root 69: BOOL bReadOnly; /* Is this device read-only ? */
70: BOOL bRemovable; /* Is this device removable media ? */
71: BOOL bRawDevice; /* Is this a raw-partition or raw-floppy device ? */
72: BOOL bMountManager; /* Mount manager knows about volume */
1.1 root 73:
1.1.1.7 root 74: WCHAR wszVolume[TC_MAX_PATH]; /* DONT change this size without also changing MOUNT_LIST_STRUCT! */
1.1 root 75:
1.1.1.6 root 76: // Container file date/time (used to reset date and time of file-hosted volumes after dismount or unsuccessful mount attempt, to preserve plausible deniability of hidden volumes).
1.1.1.4 root 77: LARGE_INTEGER fileCreationTime;
78: LARGE_INTEGER fileLastAccessTime;
79: LARGE_INTEGER fileLastWriteTime;
80: LARGE_INTEGER fileLastChangeTime;
1.1.1.6 root 81: BOOL bTimeStampValid;
82:
1.1.1.16 root 83: PSID UserSid;
84: BOOL SecurityClientContextValid;
85: SECURITY_CLIENT_CONTEXT SecurityClientContext;
86:
1.1 root 87: } EXTENSION, *PEXTENSION;
88:
1.1.1.16 root 89:
90: typedef enum
91: {
92: ValidateInput,
93: ValidateOutput,
94: ValidateInputOutput
95: } ValidateIOBufferSizeType;
96:
97:
1.1.1.14 root 98: extern PDRIVER_OBJECT TCDriverObject;
1.1.1.12 root 99: extern BOOL DriverShuttingDown;
1.1.1.10 root 100: extern ULONG OsMajorVersion;
1.1.1.14 root 101: extern ULONG OsMinorVersion;
1.1.1.17 root 102: extern BOOL VolumeClassFilterRegistered;
1.1.1.16 root 103: extern BOOL CacheBootPassword;
1.1.1.10 root 104:
1.1 root 105: /* Helper macro returning x seconds in units of 100 nanoseconds */
1.1.1.4 root 106: #define WAIT_SECONDS(x) ((x)*10000000)
1.1 root 107:
108: NTSTATUS DriverEntry (PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath);
1.1.1.15 root 109: NTSTATUS DriverAddDevice (PDRIVER_OBJECT driverObject, PDEVICE_OBJECT pdo);
1.1.1.12 root 110: void DumpMemory (void *memory, int size);
111: BOOL IsAccessibleByUser (PUNICODE_STRING objectFileName, BOOL readOnly);
112: NTSTATUS ProcessMainDeviceControlIrp (PDEVICE_OBJECT DeviceObject, PEXTENSION Extension, PIRP Irp);
113: NTSTATUS ProcessVolumeDeviceControlIrp (PDEVICE_OBJECT DeviceObject, PEXTENSION Extension, PIRP Irp);
114: NTSTATUS SendDeviceIoControlRequest (PDEVICE_OBJECT deviceObject, ULONG ioControlCode, void *inputBuffer, int inputBufferSize, void *outputBuffer, int outputBufferSize);
1.1 root 115: NTSTATUS TCDispatchQueueIRP (PDEVICE_OBJECT DeviceObject, PIRP Irp);
116: NTSTATUS TCCreateRootDeviceObject (PDRIVER_OBJECT DriverObject);
1.1.1.4 root 117: NTSTATUS TCCreateDeviceObject (PDRIVER_OBJECT DriverObject, PDEVICE_OBJECT * ppDeviceObject, MOUNT_STRUCT * mount);
1.1.1.12 root 118: NTSTATUS TCReadDevice (PDEVICE_OBJECT deviceObject, PVOID buffer, LARGE_INTEGER offset, ULONG length);
119: NTSTATUS TCWriteDevice (PDEVICE_OBJECT deviceObject, PVOID buffer, LARGE_INTEGER offset, ULONG length);
120: NTSTATUS TCStartThread (PKSTART_ROUTINE threadProc, PVOID threadArg, PKTHREAD *kThread);
1.1.1.13 root 121: NTSTATUS TCStartThreadInProcess (PKSTART_ROUTINE threadProc, PVOID threadArg, PKTHREAD *kThread, PEPROCESS process);
1.1.1.12 root 122: NTSTATUS TCStartVolumeThread (PDEVICE_OBJECT DeviceObject, PEXTENSION Extension, MOUNT_STRUCT * mount);
123: void TCStopThread (PKTHREAD kThread, PKEVENT wakeUpEvent);
124: void TCStopVolumeThread (PDEVICE_OBJECT DeviceObject, PEXTENSION Extension);
125: VOID VolumeThreadProc (PVOID Context);
1.1.1.5 root 126: void TCSleep (int milliSeconds);
1.1 root 127: void TCGetNTNameFromNumber (LPWSTR ntname, int nDriveNo);
128: void TCGetDosNameFromNumber (LPWSTR dosname, int nDriveNo);
129: LPWSTR TCTranslateCode (ULONG ulCode);
130: PDEVICE_OBJECT TCDeleteDeviceObject (PDEVICE_OBJECT DeviceObject, PEXTENSION Extension);
131: VOID TCUnloadDriver (PDRIVER_OBJECT DriverObject);
1.1.1.4 root 132: NTSTATUS TCDeviceIoControl (PWSTR deviceName, ULONG IoControlCode, void *InputBuffer, int InputBufferSize, void *OutputBuffer, int OutputBufferSize);
133: NTSTATUS TCOpenFsVolume (PEXTENSION Extension, PHANDLE volumeHandle, PFILE_OBJECT * fileObject);
134: void TCCloseFsVolume (HANDLE volumeHandle, PFILE_OBJECT fileObject);
135: NTSTATUS TCFsctlCall (PFILE_OBJECT fileObject, LONG IoControlCode, void *InputBuffer, int InputBufferSize, void *OutputBuffer, int OutputBufferSize);
1.1.1.6 root 136: NTSTATUS CreateDriveLink (int nDosDriveNo);
137: NTSTATUS RemoveDriveLink (int nDosDriveNo);
1.1.1.4 root 138: NTSTATUS MountManagerMount (MOUNT_STRUCT *mount);
139: NTSTATUS MountManagerUnmount (int nDosDriveNo);
140: NTSTATUS MountDevice (PDEVICE_OBJECT deviceObject, MOUNT_STRUCT *mount);
1.1.1.15 root 141: NTSTATUS UnmountDevice (UNMOUNT_STRUCT *unmountRequest, PDEVICE_OBJECT deviceObject, BOOL ignoreOpenFiles);
142: NTSTATUS UnmountAllDevices (UNMOUNT_STRUCT *unmountRequest, PDEVICE_OBJECT DeviceObject, BOOL ignoreOpenFiles);
1.1.1.4 root 143: NTSTATUS SymbolicLinkToTarget (PWSTR symlinkName, PWSTR targetName, USHORT maxTargetNameLength);
1.1.1.5 root 144: void DriverMutexWait ();
145: void DriverMutexRelease ();
1.1.1.6 root 146: BOOL RegionsOverlap (unsigned __int64 start1, unsigned __int64 end1, unsigned __int64 start2, unsigned __int64 end2);
1.1.1.12 root 147: void GetIntersection (uint64 start1, uint32 length1, uint64 start2, uint64 end2, uint64 *intersectStart, uint32 *intersectLength);
148: NTSTATUS TCCompleteIrp (PIRP irp, NTSTATUS status, ULONG_PTR information);
149: NTSTATUS TCCompleteDiskIrp (PIRP irp, NTSTATUS status, ULONG_PTR information);
150: NTSTATUS ProbeRealDriveSize (PDEVICE_OBJECT driveDeviceObject, LARGE_INTEGER *driveSize);
1.1.1.14 root 151: BOOL UserCanAccessDriveDevice ();
1.1.1.15 root 152: size_t GetCpuCount ();
153: void EnsureNullTerminatedString (wchar_t *str, size_t maxSizeInBytes);
154: void *AllocateMemoryWithTimeout (size_t size, int retryDelay, int timeout);
155: BOOL IsDriveLetterAvailable (int nDosDriveNo);
156: NTSTATUS TCReadRegistryKey (PUNICODE_STRING keyPath, wchar_t *keyValueName, PKEY_VALUE_PARTIAL_INFORMATION *keyData);
157: NTSTATUS TCWriteRegistryKey (PUNICODE_STRING keyPath, wchar_t *keyValueName, ULONG keyValueType, void *valueData, ULONG valueSize);
158: BOOL IsVolumeClassFilterRegistered ();
159: uint32 ReadRegistryConfigFlags ();
160: NTSTATUS WriteRegistryConfigFlags (uint32 flags);
1.1.1.16 root 161: BOOL ValidateIOBufferSize (PIRP irp, size_t requiredBufferSize, ValidateIOBufferSizeType type);
162: NTSTATUS GetDeviceSectorSize (PDEVICE_OBJECT deviceObject, ULONG *bytesPerSector);
163: NTSTATUS ZeroUnreadableSectors (PDEVICE_OBJECT deviceObject, LARGE_INTEGER startOffset, ULONG size, uint64 *zeroedSectorCount);
1.1.1.17 root 164: NTSTATUS ReadDeviceSkipUnreadableSectors (PDEVICE_OBJECT deviceObject, byte *buffer, LARGE_INTEGER startOffset, ULONG size, uint64 *badSectorCount);
1.1.1.16 root 165: BOOL IsVolumeAccessibleByCurrentUser (PEXTENSION volumeDeviceExtension);
1.1.1.17 root 166: void GetElapsedTimeInit (LARGE_INTEGER *lastPerfCounter);
167: int64 GetElapsedTime (LARGE_INTEGER *lastPerfCounter);
1.1.1.12 root 168:
169: #define TC_BUG_CHECK(status) KeBugCheckEx (SECURITY_SYSTEM, __LINE__, status, 0, 'TC')
170:
171: #endif // TC_HEADER_NTDRIVER
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