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Annotation of truecrypt/common/apidrvr.h, revision 1.1.1.2

1.1.1.2 ! root        1: /* Copyright (C) 2004 TrueCrypt Foundation
1.1       root        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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