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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
7: this file are Copyright (c) 2003-2008 TrueCrypt Foundation and are governed
8: by the TrueCrypt License 2.4 the full text of which is contained in the
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: {
31: BOOL bRootDevice; /* Is this the root device ? which the
32: user-mode apps talk to */
1.1.1.12 root 33: BOOL IsDriveFilterDevice;
1.1 root 34:
35: ULONG lMagicNumber; /* To ensure the completion routine is not
36: sending us bad IRP's */
37:
1.1.1.6 root 38: int UniqueVolumeId;
1.1 root 39: int nDosDriveNo; /* Drive number this extension is mounted
40: against */
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:
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:
62: int 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 ? */
70: BOOL bRawDevice; /* Is this a raw-partition or raw-floppy device ? */
71: BOOL bMountManager; /* Mount manager knows about volume */
1.1 root 72:
1.1.1.7 root 73: WCHAR wszVolume[TC_MAX_PATH]; /* DONT change this size without also changing MOUNT_LIST_STRUCT! */
1.1 root 74:
1.1.1.6 root 75: // 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 76: LARGE_INTEGER fileCreationTime;
77: LARGE_INTEGER fileLastAccessTime;
78: LARGE_INTEGER fileLastWriteTime;
79: LARGE_INTEGER fileLastChangeTime;
1.1.1.6 root 80: BOOL bTimeStampValid;
81:
1.1 root 82: } EXTENSION, *PEXTENSION;
83:
1.1.1.12 root 84: extern BOOL DriverShuttingDown;
1.1.1.10 root 85: extern ULONG OsMajorVersion;
86:
1.1 root 87: /* Helper macro returning x seconds in units of 100 nanoseconds */
1.1.1.4 root 88: #define WAIT_SECONDS(x) ((x)*10000000)
1.1 root 89:
90: /* In order to see any debug output you will need to run a checked build of
91: NT */
92: #ifdef DEBUG
1.1.1.12 root 93: # if 1 // DbgPrintEx is not available on Windows 2000
94: # define Dump DbgPrint
95: # else
96: # define Dump(...) DbgPrintEx (DPFLTR_IHVDRIVER_ID, DPFLTR_ERROR_LEVEL, __VA_ARGS__)
97: # endif
98: # define DumpMem(...) DumpMemory (__VA_ARGS__)
1.1 root 99: #else
1.1.1.12 root 100: # define Dump(...) ((void) 0)
101: # define DumpMem(...) ((void) 0)
1.1 root 102: #endif
103:
1.1.1.4 root 104: #define FSCTL_LOCK_VOLUME CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 6, METHOD_BUFFERED, FILE_ANY_ACCESS)
105: #define FSCTL_UNLOCK_VOLUME CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 7, METHOD_BUFFERED, FILE_ANY_ACCESS)
106: #define FSCTL_DISMOUNT_VOLUME CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 8, METHOD_BUFFERED, FILE_ANY_ACCESS)
1.1.1.6 root 107: NTKERNELAPI NTSTATUS ObOpenObjectByPointer (IN PVOID Object, IN ULONG HandleAttributes, IN PACCESS_STATE PassedAccessState OPTIONAL, IN ACCESS_MASK DesiredAccess OPTIONAL, IN POBJECT_TYPE ObjectType OPTIONAL, IN KPROCESSOR_MODE AccessMode, OUT PHANDLE Handle);
1.1 root 108:
109: NTSTATUS DriverEntry (PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath);
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);
141: NTSTATUS UnmountDevice (PDEVICE_OBJECT deviceObject, BOOL ignoreOpenFiles);
1.1.1.12 root 142: NTSTATUS UnmountAllDevices (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);
151:
152: #define TC_TO_STRING2(n) #n
153: #define TC_TO_STRING(n) TC_TO_STRING2(n)
154:
155: #define trace_point Dump (__FUNCTION__ ":" TC_TO_STRING(__LINE__) "\n")
156:
157: #define TC_BUG_CHECK(status) KeBugCheckEx (SECURITY_SYSTEM, __LINE__, status, 0, 'TC')
158:
159: #endif // TC_HEADER_NTDRIVER
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