獲取CPU，硬盤序列號

{*************************************************************}
{                                                             }
{       注册函数                                              }
{       作者: 陈新光                                          }
{                                                             }
{       Copyright (c) 2006 咏南工作室                         }
{                                                             }
{*************************************************************}

unit uSafeFun;

interface

uses
  Windows, SysUtils, Classes;

  {得到CPUID}
  Function GetCPUID: string;
  {获取第一个IDE硬盘的序列号}
  function GetIdeNo : string;

implementation

//Get CPU_ID
type
  TCPUID  = array[1..4] of Longint;
function GetCpuIDx : TCPUID; assembler; register;
asm
    PUSH    EBX         {Save affected register}
    PUSH    EDI
    MOV     EDI,EAX     {@Resukt}
    MOV     EAX,1
    DW      $A20F       {CPUID Command}
    STOSD               {CPUID[1]}
    MOV     EAX,EBX
    STOSD               {CPUID[2]}
    MOV     EAX,ECX
    STOSD               {CPUID[3]}
    MOV     EAX,EDX
    STOSD               {CPUID[4]}
    POP     EDI         {Restore registers}
    POP     EBX
end;

Function GetCPUID: string;
var
  CPUID: TCPUID;
  I: Integer;
begin
  for I := Low(CPUID) to High(CPUID)  do
    CPUID[I] := -1;
  CPUID := GetCPUIDx;
  result := IntToStr(CPUID[1] + cpuid[2] + cpuid[3] + cpuid[4])
end;

  //获取第一个IDE硬盘的序列号
function GetIdeNo : string;
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;
   //   ptr : PChar;
      SCIP : TSendCmdInParams;
      aIdOutCmd : Array [0..(SizeOf(TSendCmdOutParams)+IDENTIFY_BUFFER_SIZE-1)-1] of Byte;
      IdOutCmd  : TSendCmdOutParams absolute aIdOutCmd;
 //-------
    (* 局部过程*)
      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 begin// Windows NT, Windows 2000
        // 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;
      Result := strpas(PChar(@sSerialNumber));
    end;
  end;

  // 更多关于 S.M.A.R.T. ioctl 的信息可查看:
  //  http://www.microsoft.com/hwdev/download/respec/iocltapi.rtf

  // MSDN库中也有一些简单的例子
  //  Windows Development -> Win32 Device Driver Kit ->
  //  SAMPLE: SmartApp.exe Accesses SMART stats in IDE drives

  // 还可以查看 http://www.mtgroup.ru/~alexk
  //  IdeInfo.zip - 一个简单的使用了S.M.A.R.T. Ioctl API的Delphi应用程序

  // 注意:
 
  //  WinNT/Win2000 - 你必须拥有对硬盘的读/写访问权限
 
  //  Win98
  //    SMARTVSD.VXD 必须安装到 /windows/system/iosubsys
  //    (不要忘记在复制后重新启动系统)

end.