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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
1.1.1.22! root 7: of this file are Copyright (c) 2003-2011 TrueCrypt Developers Association
1.1.1.21 root 8: and are governed by the TrueCrypt License 3.0 the full text of which is
1.1.1.20 root 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:
1.1.1.6 root 37: int UniqueVolumeId;
1.1.1.14 root 38: int nDosDriveNo; /* Drive number this extension is mounted against */
39:
1.1 root 40: BOOL bShuttingDown; /* Is the driver shutting down ? */
41: BOOL bThreadShouldQuit; /* Instruct per device worker thread to quit */
42: PETHREAD peThread; /* Thread handle */
43: KEVENT keCreateEvent; /* Device creation event */
44: KSPIN_LOCK ListSpinLock; /* IRP spinlock */
45: LIST_ENTRY ListEntry; /* IRP listentry */
46: KSEMAPHORE RequestSemaphore; /* IRP list request Semaphore */
47:
48: HANDLE hDeviceFile; /* Device handle for this device */
49: PFILE_OBJECT pfoDeviceFile; /* Device fileobject for this device */
50: PDEVICE_OBJECT pFsdDevice; /* lower level device handle */
51:
1.1.1.6 root 52: CRYPTO_INFO *cryptoInfo; /* Cryptographic and other information for this device */
1.1 root 53:
1.1.1.17 root 54: __int64 HostLength;
1.1 root 55: __int64 DiskLength; /* The length of the disk referred to by this device */
56: __int64 NumberOfCylinders; /* Partition info */
57: ULONG TracksPerCylinder; /* Partition info */
58: ULONG SectorsPerTrack; /* Partition info */
59: ULONG BytesPerSector; /* Partition info */
60: UCHAR PartitionType; /* Partition info */
1.1.1.10 root 61:
1.1.1.21 root 62: uint32 HostBytesPerSector;
1.1 root 63:
64: KEVENT keVolumeEvent; /* Event structure used when setting up a device */
65:
1.1.1.12 root 66: EncryptedIoQueue Queue;
1.1.1.8 root 67:
1.1.1.4 root 68: BOOL bReadOnly; /* Is this device read-only ? */
69: BOOL bRemovable; /* Is this device removable media ? */
1.1.1.19 root 70: BOOL PartitionInInactiveSysEncScope;
1.1.1.4 root 71: BOOL bRawDevice; /* Is this a raw-partition or raw-floppy device ? */
72: BOOL bMountManager; /* Mount manager knows about volume */
1.1.1.19 root 73: BOOL SystemFavorite;
1.1 root 74:
1.1.1.7 root 75: WCHAR wszVolume[TC_MAX_PATH]; /* DONT change this size without also changing MOUNT_LIST_STRUCT! */
1.1 root 76:
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);
1.1.1.22! root 130: void TCDeleteDeviceObject (PDEVICE_OBJECT DeviceObject, PEXTENSION Extension);
1.1 root 131: VOID TCUnloadDriver (PDRIVER_OBJECT DriverObject);
1.1.1.22! root 132: void OnShutdownPending ();
1.1.1.19 root 133: NTSTATUS TCDeviceIoControl (PWSTR deviceName, ULONG IoControlCode, void *InputBuffer, ULONG InputBufferSize, void *OutputBuffer, ULONG OutputBufferSize);
1.1.1.4 root 134: NTSTATUS TCOpenFsVolume (PEXTENSION Extension, PHANDLE volumeHandle, PFILE_OBJECT * fileObject);
135: void TCCloseFsVolume (HANDLE volumeHandle, PFILE_OBJECT fileObject);
136: NTSTATUS TCFsctlCall (PFILE_OBJECT fileObject, LONG IoControlCode, void *InputBuffer, int InputBufferSize, void *OutputBuffer, int OutputBufferSize);
1.1.1.6 root 137: NTSTATUS CreateDriveLink (int nDosDriveNo);
138: NTSTATUS RemoveDriveLink (int nDosDriveNo);
1.1.1.4 root 139: NTSTATUS MountManagerMount (MOUNT_STRUCT *mount);
140: NTSTATUS MountManagerUnmount (int nDosDriveNo);
141: NTSTATUS MountDevice (PDEVICE_OBJECT deviceObject, MOUNT_STRUCT *mount);
1.1.1.15 root 142: NTSTATUS UnmountDevice (UNMOUNT_STRUCT *unmountRequest, PDEVICE_OBJECT deviceObject, BOOL ignoreOpenFiles);
1.1.1.22! root 143: NTSTATUS UnmountAllDevices (UNMOUNT_STRUCT *unmountRequest, BOOL ignoreOpenFiles);
1.1.1.4 root 144: NTSTATUS SymbolicLinkToTarget (PWSTR symlinkName, PWSTR targetName, USHORT maxTargetNameLength);
1.1.1.22! root 145: BOOL RootDeviceControlMutexAcquireNoWait ();
! 146: void RootDeviceControlMutexRelease ();
1.1.1.6 root 147: BOOL RegionsOverlap (unsigned __int64 start1, unsigned __int64 end1, unsigned __int64 start2, unsigned __int64 end2);
1.1.1.12 root 148: void GetIntersection (uint64 start1, uint32 length1, uint64 start2, uint64 end2, uint64 *intersectStart, uint32 *intersectLength);
149: NTSTATUS TCCompleteIrp (PIRP irp, NTSTATUS status, ULONG_PTR information);
150: NTSTATUS TCCompleteDiskIrp (PIRP irp, NTSTATUS status, ULONG_PTR information);
151: NTSTATUS ProbeRealDriveSize (PDEVICE_OBJECT driveDeviceObject, LARGE_INTEGER *driveSize);
1.1.1.14 root 152: BOOL UserCanAccessDriveDevice ();
1.1.1.15 root 153: size_t GetCpuCount ();
154: void EnsureNullTerminatedString (wchar_t *str, size_t maxSizeInBytes);
155: void *AllocateMemoryWithTimeout (size_t size, int retryDelay, int timeout);
156: BOOL IsDriveLetterAvailable (int nDosDriveNo);
157: NTSTATUS TCReadRegistryKey (PUNICODE_STRING keyPath, wchar_t *keyValueName, PKEY_VALUE_PARTIAL_INFORMATION *keyData);
158: NTSTATUS TCWriteRegistryKey (PUNICODE_STRING keyPath, wchar_t *keyValueName, ULONG keyValueType, void *valueData, ULONG valueSize);
159: BOOL IsVolumeClassFilterRegistered ();
1.1.1.21 root 160: NTSTATUS ReadRegistryConfigFlags (BOOL driverEntry);
1.1.1.15 root 161: NTSTATUS WriteRegistryConfigFlags (uint32 flags);
1.1.1.16 root 162: BOOL ValidateIOBufferSize (PIRP irp, size_t requiredBufferSize, ValidateIOBufferSizeType type);
163: NTSTATUS GetDeviceSectorSize (PDEVICE_OBJECT deviceObject, ULONG *bytesPerSector);
164: NTSTATUS ZeroUnreadableSectors (PDEVICE_OBJECT deviceObject, LARGE_INTEGER startOffset, ULONG size, uint64 *zeroedSectorCount);
1.1.1.17 root 165: NTSTATUS ReadDeviceSkipUnreadableSectors (PDEVICE_OBJECT deviceObject, byte *buffer, LARGE_INTEGER startOffset, ULONG size, uint64 *badSectorCount);
1.1.1.16 root 166: BOOL IsVolumeAccessibleByCurrentUser (PEXTENSION volumeDeviceExtension);
1.1.1.17 root 167: void GetElapsedTimeInit (LARGE_INTEGER *lastPerfCounter);
168: int64 GetElapsedTime (LARGE_INTEGER *lastPerfCounter);
1.1.1.19 root 169: BOOL IsOSAtLeast (OSVersionEnum reqMinOS);
1.1.1.12 root 170:
1.1.1.19 root 171: #define TC_BUG_CHECK(status) KeBugCheckEx (SECURITY_SYSTEM, __LINE__, (ULONG_PTR) status, 0, 'TC')
1.1.1.12 root 172:
173: #endif // TC_HEADER_NTDRIVER
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