delphi讀取硬碟的物理序列號 |
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conundrum
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http://www.cn-cio.org/show.php?article_id=2508&col=art delphi讀取硬碟的物理序列號 提供者:jzj 發表日期:2004-06-12 ________________________________________ LuckyJan [原作] 讀取硬碟的物理序列號 //獲得硬碟序列號 function GetIdeSerialNumber() : PChar; stdcall; const IDENTIFY_BUFFER_SIZE = 512; type TIDERegs = packed record bFeaturesReg: BYTE; // Used for specifying SMART "commands". bSectorCountReg: BYTE; // IDE sector count register bSectorNumberReg: BYTE; // IDE sector number register bCylLowReg: BYTE; // IDE low order cylinder value bCylHighReg: BYTE; // IDE high order cylinder value bDriveHeadReg: BYTE; // IDE drive/head register bCommandReg: BYTE; // Actual IDE command. bReserved: BYTE; // reserved for future use. Must be zero. end; TSendCmdInParams = packed record // Buffer size in bytes cBufferSize: DWORD; // Structure with drive register values. irDriveRegs: TIDERegs; // Physical drive number to send command to (0,1,2,3). bDriveNumber: BYTE; bReserved: array[0..2] of Byte; dwReserved: array[0..3] of DWORD; bBuffer: array[0..0] of Byte; // Input buffer. end; TIdSector = packed record wGenConfig: Word; wNumCyls: Word; wReserved: Word; wNumHeads: Word; wBytesPerTrack: Word; wBytesPerSector: Word; wSectorsPerTrack: Word; wVendorUnique: array[0..2] of Word; sSerialNumber: array[0..19] of CHAR; wBufferType: Word; wBufferSize: Word; wECCSize: Word; sFirmwareRev: array[0..7] of Char; sModelNumber: array[0..39] of Char; wMoreVendorUnique: Word; wDoubleWordIO: Word; wCapabilities: Word; wReserved1: Word; wPIOTiming: Word; wDMATiming: Word; wBS: Word; wNumCurrentCyls: Word; wNumCurrentHeads: Word; wNumCurrentSectorsPerTrack: Word; ulCurrentSectorCapacity: DWORD; wMultSectorStuff: Word; ulTotalAddressableSectors: DWORD; wSingleWordDMA: Word; wMultiWordDMA: Word; bReserved: array[0..127] of BYTE; end; PIdSector = ^TIdSector; TDriverStatus = packed record // 驅動器返回的錯誤代碼,無錯則返回0 bDriverError: Byte; // IDE出錯寄存器的內容,只有當bDriverError 為 SMART_IDE_ERROR 時有效 bIDEStatus: Byte; bReserved: array[0..1] of Byte; dwReserved: array[0..1] of DWORD; end; TSendCmdOutParams = packed record // bBuffer的大小 cBufferSize: DWORD; // 驅動器狀態 DriverStatus: TDriverStatus; // 用於保存從驅動器讀出的資料的緩衝區,實際長度由cBufferSize決定 bBuffer: array[0..0] of BYTE; end; var hDevice : THandle; cbBytesReturned : DWORD; SCIP : TSendCmdInParams; aIdOutCmd : array[0..(SizeOf(TSendCmdOutParams) + IDENTIFY_BUFFER_SIZE - 1) - 1] of Byte; IdOutCmd : TSendCmdOutParams absolute aIdOutCmd; procedure ChangeByteOrder(var Data; Size: Integer); var ptr : PChar; i : Integer; c : Char; begin ptr := @Data; for I := 0 to (Size shr 1) - 1 do begin c := ptr^; ptr^ := (ptr + 1)^; (ptr + 1)^ := c; Inc(ptr, 2); end; end; begin Result := ''; // 如果出錯則返回空串 if SysUtils.Win32Platform = VER_PLATFORM_WIN32_NT then // Windows NT, Windows 2000 begin // 提示! 改變名稱可適用於其他驅動器,如第二個驅動器: '\.PhysicalDrive1' hDevice := CreateFile('\.PhysicalDrive0', GENERIC_READ or GENERIC_WRITE, FILE_SHARE_READ or FILE_SHARE_WRITE, nil, OPEN_EXISTING, 0, 0); end else // Version Windows 95 OSR2, Windows 98 hDevice := CreateFile('\.SMARTVSD', 0, 0, nil, CREATE_NEW, 0, 0); if hDevice = INVALID_HANDLE_VALUE then Exit; try FillChar(SCIP, SizeOf(TSendCmdInParams) - 1, #0); FillChar(aIdOutCmd, SizeOf(aIdOutCmd), #0); cbBytesReturned := 0; // Set up data structures for IDENTIFY command. with SCIP do begin cBufferSize := IDENTIFY_BUFFER_SIZE; // bDriveNumber := 0; with irDriveRegs do begin bSectorCountReg := 1; bSectorNumberReg := 1; // if Win32Platform=VER_PLATFORM_WIN32_NT then bDriveHeadReg := $A0 // else bDriveHeadReg := $A0 or ((bDriveNum and 1) shl 4); bDriveHeadReg := $A0; bCommandReg := $EC; end; end; if not DeviceIoControl(hDevice, $0007C088, @SCIP, SizeOf(TSendCmdInParams) - 1, @aIdOutCmd, SizeOf(aIdOutCmd), cbBytesReturned, nil) then Exit; finally CloseHandle(hDevice); end; with PIdSector(@IdOutCmd.bBuffer)^ do begin ChangeByteOrder(sSerialNumber, SizeOf(sSerialNumber)); (Pchar(@sSerialNumber) + SizeOf(sSerialNumber))^ := #0; Result := Pchar(@sSerialNumber); end; end; |
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