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1.1.1.3 root 1: /* The source code contained in this file has been derived from the source code
2: of Encryption for the Masses 2.02a by Paul Le Roux. Modifications and
1.1.1.5 ! root 3: additions to that source code contained in this file are Copyright (c) 2004-2005
1.1.1.4 root 4: TrueCrypt Foundation and Copyright (c) 2004 TrueCrypt Team. Unmodified
1.1.1.3 root 5: parts are Copyright (c) 1998-99 Paul Le Roux. This is a TrueCrypt Foundation
6: release. Please see the file license.txt for full license details. */
1.1 root 7:
8: /* This structure is used to start new threads */
9: typedef struct _THREAD_BLOCK_
10: {
11: PDEVICE_OBJECT DeviceObject;
12: NTSTATUS ntCreateStatus;
13: WCHAR wszMountVolume[TC_MAX_PATH];
14: MOUNT_STRUCT *mount;
15: } THREAD_BLOCK, *PTHREAD_BLOCK;
16:
17: /* This structure is allocated for non-root devices! WARNING: bRootDevice
18: must be the first member of the structure! */
19: typedef struct EXTENSION
20: {
21: BOOL bRootDevice; /* Is this the root device ? which the
22: user-mode apps talk to */
23:
24: ULONG lMagicNumber; /* To ensure the completion routine is not
25: sending us bad IRP's */
26:
27: int nDosDriveNo; /* Drive number this extension is mounted
28: against */
29: BOOL bShuttingDown; /* Is the driver shutting down ? */
30: BOOL bThreadShouldQuit; /* Instruct per device worker thread to quit */
31: PETHREAD peThread; /* Thread handle */
32: KEVENT keCreateEvent; /* Device creation event */
33: KSPIN_LOCK ListSpinLock; /* IRP spinlock */
34: LIST_ENTRY ListEntry; /* IRP listentry */
35: KSEMAPHORE RequestSemaphore; /* IRP list request Semaphore */
36:
37: #ifdef USE_KERNEL_MUTEX
38: KMUTEX KernelMutex; /* Sync. mutex for entire thread */
39: #endif
40:
41: HANDLE hDeviceFile; /* Device handle for this device */
42: PFILE_OBJECT pfoDeviceFile; /* Device fileobject for this device */
43: PDEVICE_OBJECT pFsdDevice; /* lower level device handle */
44:
45: CRYPTO_INFO *cryptoInfo; /* Cryptographic information for this device */
46:
47: __int64 DiskLength; /* The length of the disk referred to by this device */
48: __int64 NumberOfCylinders; /* Partition info */
49: ULONG TracksPerCylinder; /* Partition info */
50: ULONG SectorsPerTrack; /* Partition info */
51: ULONG BytesPerSector; /* Partition info */
52: UCHAR PartitionType; /* Partition info */
53:
54: KEVENT keVolumeEvent; /* Event structure used when setting up a device */
55:
1.1.1.4 root 56: BOOL bReadOnly; /* Is this device read-only ? */
57: BOOL bRemovable; /* Is this device removable media ? */
58: BOOL bRawDevice; /* Is this a raw-partition or raw-floppy device ? */
59: BOOL bMountManager; /* Mount manager knows about volume */
1.1 root 60:
61: WCHAR wszVolume[64]; /* For the tree view in the user-mode
62: application, here we only store 64
63: characters rather than TC_MAX_PATH to try
64: to keep this structures size down - DONT
65: change this size without also changing
66: MOUNT_LIST_STRUCT! */
67:
68: long mountTime; /* The time this volume was last mounted, for
69: the user-mode application */
70:
1.1.1.4 root 71: // Container file date/time (used to reset date and time of file-hosted containers after dismount or unsuccessful mount attempt, to preserve plausible deniability of hidden volumes).
72: LARGE_INTEGER fileCreationTime;
73: LARGE_INTEGER fileLastAccessTime;
74: LARGE_INTEGER fileLastWriteTime;
75: LARGE_INTEGER fileLastChangeTime;
76:
1.1 root 77: } EXTENSION, *PEXTENSION;
78:
79: /* Helper macro returning x seconds in units of 100 nanoseconds */
1.1.1.4 root 80: #define WAIT_SECONDS(x) ((x)*10000000)
1.1 root 81:
82: /* In order to see any debug output you will need to run a checked build of
83: NT */
84: #ifdef DEBUG
85: #define Dump DbgPrint
86: #else
87: #define Dump
88: #endif
89:
90: #ifdef USE_KERNEL_MUTEX
91: #pragma message ("Compiling " __FILE__ " with USE_KERNEL_MUTEX on")
92: #endif
93:
1.1.1.4 root 94: #define FSCTL_LOCK_VOLUME CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 6, METHOD_BUFFERED, FILE_ANY_ACCESS)
95: #define FSCTL_UNLOCK_VOLUME CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 7, METHOD_BUFFERED, FILE_ANY_ACCESS)
96: #define FSCTL_DISMOUNT_VOLUME CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 8, METHOD_BUFFERED, FILE_ANY_ACCESS)
97:
1.1 root 98: /* Everything below this line is automatically updated by the -mkproto-tool- */
99:
100: NTSTATUS DriverEntry (PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath);
101: NTSTATUS TCDispatchQueueIRP (PDEVICE_OBJECT DeviceObject, PIRP Irp);
102: NTSTATUS TCCreateRootDeviceObject (PDRIVER_OBJECT DriverObject);
1.1.1.4 root 103: NTSTATUS TCCreateDeviceObject (PDRIVER_OBJECT DriverObject, PDEVICE_OBJECT * ppDeviceObject, MOUNT_STRUCT * mount);
1.1 root 104: NTSTATUS TCDeviceControl (PDEVICE_OBJECT DeviceObject, PEXTENSION Extension, PIRP Irp);
105: NTSTATUS TCStartThread (PDEVICE_OBJECT DeviceObject, PEXTENSION Extension, MOUNT_STRUCT * mount);
106: void TCStopThread (PDEVICE_OBJECT DeviceObject, PEXTENSION Extension);
107: VOID TCThreadIRP (PVOID Context);
1.1.1.5 ! root 108: void TCSleep (int milliSeconds);
1.1 root 109: void TCGetNTNameFromNumber (LPWSTR ntname, int nDriveNo);
110: void TCGetDosNameFromNumber (LPWSTR dosname, int nDriveNo);
111: LPWSTR TCTranslateCode (ULONG ulCode);
112: PDEVICE_OBJECT TCDeleteDeviceObject (PDEVICE_OBJECT DeviceObject, PEXTENSION Extension);
113: VOID TCUnloadDriver (PDRIVER_OBJECT DriverObject);
1.1.1.4 root 114: NTSTATUS TCDeviceIoControl (PWSTR deviceName, ULONG IoControlCode, void *InputBuffer, int InputBufferSize, void *OutputBuffer, int OutputBufferSize);
115: NTSTATUS TCOpenFsVolume (PEXTENSION Extension, PHANDLE volumeHandle, PFILE_OBJECT * fileObject);
116: void TCCloseFsVolume (HANDLE volumeHandle, PFILE_OBJECT fileObject);
117: NTSTATUS TCFsctlCall (PFILE_OBJECT fileObject, LONG IoControlCode, void *InputBuffer, int InputBufferSize, void *OutputBuffer, int OutputBufferSize);
118: NTSTATUS MountManagerMount (MOUNT_STRUCT *mount);
119: NTSTATUS MountManagerUnmount (int nDosDriveNo);
120: NTSTATUS MountDevice (PDEVICE_OBJECT deviceObject, MOUNT_STRUCT *mount);
121: NTSTATUS UnmountDevice (PDEVICE_OBJECT deviceObject, BOOL ignoreOpenFiles);
122: NTSTATUS UnmountAllDevices (PDEVICE_OBJECT DeviceObject, BOOL ignoreOpenFiles);
123: NTSTATUS SymbolicLinkToTarget (PWSTR symlinkName, PWSTR targetName, USHORT maxTargetNameLength);
1.1.1.5 ! root 124: void DriverMutexWait ();
! 125: void DriverMutexRelease ();
! 126:
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