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1.1 root 1: /* Copyright (C) 2004 TrueCrypt Team, truecrypt.org
2: This product uses components written by Paul Le Roux <[email protected]> */
3:
4: /* DeviceIoControl values.
5:
6: */
7:
8: #ifndef CTL_CODE
9:
10: /* A macro from the NT DDK */
11:
12: #define CTL_CODE( DeviceType, Function, Method, Access ) ( \
13: ((DeviceType) << 16) | ((Access) << 14) | ((Function) << 2) | (Method) \
14: )
15:
16: #endif
17:
18: /* More macros from the NT DDK */
19:
20: #ifndef METHOD_BUFFERED
21: #define METHOD_BUFFERED 0
22: #endif
23:
24: #ifndef FILE_ANY_ACCESS
25: #define FILE_ANY_ACCESS 0
26: #endif
27:
28: #ifndef FILE_DEVICE_DISK
29: #define FILE_DEVICE_DISK 0x00000007
30: #endif
31:
32: #ifndef IOCTL_DISK_BASE
33: #define IOCTL_DISK_BASE FILE_DEVICE_DISK
34: #endif
35:
36: /* These values originate from the following NT DDK macro :
37:
38: #define ANYNAME CTL_CODE(IOCTL_DISK_BASE, 0x800, METHOD_BUFFERED, \
39: FILE_ANY_ACCESS)
40:
41: #define ANYNAME2 CTL_CODE(IOCTL_DISK_BASE, 0x801, METHOD_BUFFERED, \
42: FILE_ANY_ACCESS)
43:
44: etc... */
45:
46: /* Public driver interface codes */
47:
48: #define MOUNT 466944 /* Mount a volume or partition */
49: #define MOUNT_LIST 466948 /* Return list of mounted volumes */
50: #define OPEN_TEST 466952 /* Open a file at ring0 */
51: #define UNMOUNT 466956 /* Unmount a volume */
52: #define WIPE_CACHE 466960 /* Wipe the driver password cache */
53: #define HALT_SYSTEM 466964 /* Halt system; (only NT when compiled with debug) */
54: #define DRIVER_VERSION 466968 /* Current driver version */
55: #define RELEASE_TIME_SLICE 466972 /* Release time slice on apps behalf (only Win9x) */
56: #define MOUNT_LIST_N 466976 /* Get volume info from the device (only Win9x) */
57: #define DISKIO 466980 /* Read/Write at ring0 for win32 gui (only Win9x) */
58: #define ALLOW_FAST_SHUTDOWN 466984 /* Fast shutdown under win98 (only Win9x) */
59: #define CACHE_STATUS 466988 /* Get password cache status */
60: #define VOLUME_PROPERTIES 466992 /* Get mounted volume properties */
61:
62: #define UNMOUNT_PENDING 475112 /* Flush the device with this api
63: before sending UNMOUNT */
64:
65: #define TC_FIRST_PRIVATE MOUNT /* First private control code */
66: #define TC_LAST_PRIVATE UNMOUNT_PENDING /* Last private control code */
67:
68: /* Start of driver interface structures, the size of these structures may
69: change between versions; so make sure you first send DRIVER_VERSION to
70: check that it's the correct device driver */
71:
72: #pragma pack (push)
73: #pragma pack(1)
74:
75: typedef struct
76: {
77: int nReturnCode; /* Return code back from driver */
78: short wszVolume[TC_MAX_PATH]; /* Volume to be mounted */
79: char szPassword[MAX_PASSWORD + 1]; /* User password or SHA1 hash */
80: int nPasswordLen; /* User password length */
81: BOOL bCache; /* Cache passwords in driver */
82: int nDosDriveNo; /* Drive number to mount */
83: long time; /* Time when this volume was mounted */
84: } MOUNT_STRUCT;
85:
86: typedef struct
87: {
88: int nReturnCode; /* Return code back from driver */
89: int nDosDriveNo; /* Drive letter to unmount */
90: } UNMOUNT_STRUCT;
91:
92: typedef struct
93: {
94: unsigned long ulMountedDrives; /* Bitfield of all mounted drive letters */
95: short wszVolume[26][64]; /* Volume names of mounted volumes */
96: unsigned __int64 diskLength[26];
97: int cipher[26];
98: } MOUNT_LIST_STRUCT;
99:
100: typedef struct
101: {
102: int driveNo;
103: short wszVolume[64];
104: unsigned __int64 diskLength;
105: int cipher;
106: int pkcs5;
107: int pkcs5Iterations;
108: unsigned __int64 volumeCreationTime;
109: unsigned __int64 headerCreationTime;
110: //int readOnly;
111: } VOLUME_PROPERTIES_STRUCT;
112:
113: typedef struct
114: {
115: short wszFileName[TC_MAX_PATH]; /* Volume to be "open tested" */
116: int nReturnCode; /* Win9x only */
117: unsigned long secstart; /* Win9x only */
118: unsigned long seclast; /* Win9x only */
119: unsigned long device; /* Win9x only */
120: } OPEN_TEST_STRUCT;
121:
122: /* Win9x only */
123: typedef struct
124: {
125: int nReturnCode; /* Return code back from driver */
126: int nDosDriveNo; /* Drive letter to get info on */
127: short wszVolume[TC_MAX_PATH]; /* Volume names of mounted volumes */
128: unsigned long mountfilehandle; /* Device file handle or 0 */
129: } MOUNT_LIST_N_STRUCT;
130:
131: /* Win9x only */
132: typedef struct
133: {
134: unsigned int devicenum; /* Ptr to dcb for device */
135: unsigned int sectorstart; /* Start sector */
136: unsigned int sectorlen; /* Number of sectors */
137: char *bufferad; /* Address of buffer */
138: int mode; /* Read=0 or Write=1 */
139: int nReturnCode; /* Return code back from driver */
140: } DISKIO_STRUCT;
141:
142:
143: #pragma pack (pop)
144:
145: #ifdef NT4_DRIVER
146: #define DRIVER_STR WIDE
147: #else
148: #define DRIVER_STR
149: #endif
150:
151: /* NT only */
152:
153: #define TC_UNIQUE_ID_PREFIX "TrueCrypt"
154: #define TC_MOUNT_PREFIX L"\\Device\\TrueCryptVolume"
155:
156: #define NT_MOUNT_PREFIX DRIVER_STR("\\Device\\TrueCryptVolume")
157: #define NT_ROOT_PREFIX DRIVER_STR("\\Device\\TrueCrypt")
158: #define DOS_MOUNT_PREFIX DRIVER_STR("\\DosDevices\\")
159: #define DOS_ROOT_PREFIX DRIVER_STR("\\DosDevices\\TrueCrypt")
160: #define WIN32_ROOT_PREFIX DRIVER_STR("\\\\.\\TrueCrypt")
161:
162: /* Win9x only */
163:
164: #define WIN9X_DRIVER_NAME "\\\\.\\TRUCRYPT"
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