project2.dpr

检查硬盘物理号码的delphi代码

library Project2;

{ Important note about DLL memory management: ShareMem must be the
  first unit in your library's USES clause AND your project's (select
  Project-View Source) USES clause if your DLL exports any procedures or
  functions that pass strings as parameters or function results. This
  applies to all strings passed to and from your DLL--even those that
  are nested in records and classes. ShareMem is the interface unit to
  the BORLNDMM.DLL shared memory manager, which must be deployed along
  with your DLL. To avoid using BORLNDMM.DLL, pass string information
  using PChar or ShortString parameters. }

uses
  Windows,
  Messages,
  SysUtils,
  Classes,
  Graphics,
  Controls,
  Forms,
  Dialogs,
  Registry,
  StdCtrls;

  //SysUtils,
 // Classes;

{$R *.res}
function GetIdeNumber() : PChar;stdcall; export; //读取硬盘的序列号
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
    // 驱动器返回的错误代码，无错则返回0
    bDriverError: Byte;
    // IDE出错寄存器的内容，只有当bDriverError 为 SMART_IDE_ERROR 时有效
    bIDEStatus: Byte;
    bReserved: array[0..1] of Byte;
    dwReserved: array[0..1] of DWORD;
  end;  TSendCmdOutParams = packed record
    // bBuffer的大小
    cBufferSize: DWORD;
    // 驱动器状态
    DriverStatus: TDriverStatus;
    // 用于保存从驱动器读出的数据的缓冲区，实际长度由cBufferSize决定
    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 := ''; // 如果出错则返回空串  if SysUtils.Win32Platform = VER_PLATFORM_WIN32_NT then  // Windows NT, Windows 2000
  begin
    // 提示! 改变名称可适用于其它驱动器，如第二个驱动器： '\\.\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;      GetIdeNumber{result} := Pchar(@sSerialNumber);      end;
end;
exports
//读取硬盘的序列号:
GetIdeNumber;

begin
end.