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1.1.1.10! root 1: /* ! 2: Legal Notice: The source code contained in this file has been derived from ! 3: the source code of Encryption for the Masses 2.02a, which is Copyright (c) ! 4: Paul Le Roux and which is covered by the 'License Agreement for Encryption ! 5: for the Masses'. Modifications and additions to that source code contained ! 6: in this file are Copyright (c) TrueCrypt Foundation and are covered by the ! 7: TrueCrypt License 2.2 the full text of which is contained in the file ! 8: License.txt included in TrueCrypt binary and source code distribution ! 9: packages. */ 1.1 root 10: 11: /* This structure is used to start new threads */ 12: typedef struct _THREAD_BLOCK_ 13: { 14: PDEVICE_OBJECT DeviceObject; 15: NTSTATUS ntCreateStatus; 1.1.1.7 root 16: WCHAR wszMountVolume[TC_MAX_PATH + 8]; 1.1 root 17: MOUNT_STRUCT *mount; 18: } THREAD_BLOCK, *PTHREAD_BLOCK; 19: 20: /* This structure is allocated for non-root devices! WARNING: bRootDevice 21: must be the first member of the structure! */ 22: typedef struct EXTENSION 23: { 24: BOOL bRootDevice; /* Is this the root device ? which the 25: user-mode apps talk to */ 26: 27: ULONG lMagicNumber; /* To ensure the completion routine is not 28: sending us bad IRP's */ 29: 1.1.1.6 root 30: int UniqueVolumeId; 1.1 root 31: int nDosDriveNo; /* Drive number this extension is mounted 32: against */ 33: BOOL bShuttingDown; /* Is the driver shutting down ? */ 34: BOOL bThreadShouldQuit; /* Instruct per device worker thread to quit */ 35: PETHREAD peThread; /* Thread handle */ 36: KEVENT keCreateEvent; /* Device creation event */ 37: KSPIN_LOCK ListSpinLock; /* IRP spinlock */ 38: LIST_ENTRY ListEntry; /* IRP listentry */ 39: KSEMAPHORE RequestSemaphore; /* IRP list request Semaphore */ 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: 1.1.1.6 root 45: CRYPTO_INFO *cryptoInfo; /* Cryptographic and other information for this device */ 1.1 root 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 */ 1.1.1.10! root 53: ! 54: int HostBytesPerSector; 1.1 root 55: 56: KEVENT keVolumeEvent; /* Event structure used when setting up a device */ 57: 1.1.1.8 root 58: BOOL bSystemVolume; /* System volume is hidden from user and supports system files (paging, hibernation). */ 59: BOOL bPersistentVolume; /* Persistent volume is hidden from user. */ 60: 1.1.1.4 root 61: BOOL bReadOnly; /* Is this device read-only ? */ 62: BOOL bRemovable; /* Is this device removable media ? */ 63: BOOL bRawDevice; /* Is this a raw-partition or raw-floppy device ? */ 64: BOOL bMountManager; /* Mount manager knows about volume */ 1.1 root 65: 1.1.1.7 root 66: WCHAR wszVolume[TC_MAX_PATH]; /* DONT change this size without also changing MOUNT_LIST_STRUCT! */ 1.1 root 67: 1.1.1.6 root 68: // 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 69: LARGE_INTEGER fileCreationTime; 70: LARGE_INTEGER fileLastAccessTime; 71: LARGE_INTEGER fileLastWriteTime; 72: LARGE_INTEGER fileLastChangeTime; 1.1.1.6 root 73: BOOL bTimeStampValid; 74: 75: unsigned __int64 TotalBytesRead; // Bytes read from volume 76: unsigned __int64 TotalBytesWritten; // Bytes written to volume 1.1.1.4 root 77: 1.1 root 78: } EXTENSION, *PEXTENSION; 79: 1.1.1.10! root 80: extern ULONG OsMajorVersion; ! 81: 1.1 root 82: /* Helper macro returning x seconds in units of 100 nanoseconds */ 1.1.1.4 root 83: #define WAIT_SECONDS(x) ((x)*10000000) 1.1 root 84: 85: /* In order to see any debug output you will need to run a checked build of 86: NT */ 87: #ifdef DEBUG 88: #define Dump DbgPrint 89: #else 90: #define Dump 91: #endif 92: 1.1.1.4 root 93: #define FSCTL_LOCK_VOLUME CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 6, METHOD_BUFFERED, FILE_ANY_ACCESS) 94: #define FSCTL_UNLOCK_VOLUME CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 7, METHOD_BUFFERED, FILE_ANY_ACCESS) 95: #define FSCTL_DISMOUNT_VOLUME CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 8, METHOD_BUFFERED, FILE_ANY_ACCESS) 1.1.1.6 root 96: 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 97: 98: NTSTATUS DriverEntry (PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath); 99: NTSTATUS TCDispatchQueueIRP (PDEVICE_OBJECT DeviceObject, PIRP Irp); 100: NTSTATUS TCCreateRootDeviceObject (PDRIVER_OBJECT DriverObject); 1.1.1.4 root 101: NTSTATUS TCCreateDeviceObject (PDRIVER_OBJECT DriverObject, PDEVICE_OBJECT * ppDeviceObject, MOUNT_STRUCT * mount); 1.1 root 102: NTSTATUS TCDeviceControl (PDEVICE_OBJECT DeviceObject, PEXTENSION Extension, PIRP Irp); 103: NTSTATUS TCStartThread (PDEVICE_OBJECT DeviceObject, PEXTENSION Extension, MOUNT_STRUCT * mount); 104: void TCStopThread (PDEVICE_OBJECT DeviceObject, PEXTENSION Extension); 105: VOID TCThreadIRP (PVOID Context); 1.1.1.5 root 106: void TCSleep (int milliSeconds); 1.1 root 107: void TCGetNTNameFromNumber (LPWSTR ntname, int nDriveNo); 108: void TCGetDosNameFromNumber (LPWSTR dosname, int nDriveNo); 109: LPWSTR TCTranslateCode (ULONG ulCode); 110: PDEVICE_OBJECT TCDeleteDeviceObject (PDEVICE_OBJECT DeviceObject, PEXTENSION Extension); 111: VOID TCUnloadDriver (PDRIVER_OBJECT DriverObject); 1.1.1.4 root 112: NTSTATUS TCDeviceIoControl (PWSTR deviceName, ULONG IoControlCode, void *InputBuffer, int InputBufferSize, void *OutputBuffer, int OutputBufferSize); 113: NTSTATUS TCOpenFsVolume (PEXTENSION Extension, PHANDLE volumeHandle, PFILE_OBJECT * fileObject); 114: void TCCloseFsVolume (HANDLE volumeHandle, PFILE_OBJECT fileObject); 115: NTSTATUS TCFsctlCall (PFILE_OBJECT fileObject, LONG IoControlCode, void *InputBuffer, int InputBufferSize, void *OutputBuffer, int OutputBufferSize); 1.1.1.6 root 116: NTSTATUS CreateDriveLink (int nDosDriveNo); 117: NTSTATUS RemoveDriveLink (int nDosDriveNo); 1.1.1.4 root 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); 1.1.1.8 root 122: NTSTATUS UnmountAllDevices (PDEVICE_OBJECT DeviceObject, BOOL ignoreOpenFiles, BOOL unmountSystem, BOOL unmountPersistent); 1.1.1.4 root 123: NTSTATUS SymbolicLinkToTarget (PWSTR symlinkName, PWSTR targetName, USHORT maxTargetNameLength); 1.1.1.5 root 124: void DriverMutexWait (); 125: void DriverMutexRelease (); 1.1.1.6 root 126: BOOL RegionsOverlap (unsigned __int64 start1, unsigned __int64 end1, unsigned __int64 start2, unsigned __int64 end2);
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