huangyhg

1) diskid32.cpp
// diskid32.cpp
// for displaying the details of hard drives in
// 06/11/2000 Lynn McGuire written with many contributions from others,
// IDE drives only under Windows NT/2K and 9X,
// maybe SCSI drives later

#define PRINTING_TO_CONSOLE_ALLOWED

#include <stdlib.h>
#include <stdio.h>
#include <windows.h>

// Required to ensure correct PhysicalDrive IOCTL structure setup
#pragma pack(1)

// Max number of drives assuming primary/secondary, master/slave topology
#define MAX_IDE_DRIVES 4
#define IDENTIFY_BUFFER_SIZE 512

// IOCTL commands
#define DFP_GET_VERSION 0x00074080
#define DFP_SEND_DRIVE_COMMAND 0x0007c084
#define DFP_RECEIVE_DRIVE_DATA 0x0007c088
#define FILE_DEVICE_SCSI 0x0000001b
#define IOCTL_SCSI_MINIPORT_IDENTIFY ((FILE_DEVICE_SCSI << 16) + 0x0501)
#define IOCTL_SCSI_MINIPORT 0x0004D008 // see NTDDSCSI.H for definition

// GETVERSIONOUTPARAMS contains the data returned from the
// Get Driver Version function.
typedef struct _GETVERSIONOUTPARAMS
{
BYTE bVersion; // Binary driver version.
BYTE bRevision; // Binary driver revision.
BYTE bReserved; // Not used.
BYTE bIDEDeviceMap; // Bit map of IDE devices.
DWORD fCapabilities; // Bit mask of driver capabilities.
DWORD dwReserved[4]; // For future use.
} GETVERSIONOUTPARAMS, *PGETVERSIONOUTPARAMS, *LPGETVERSIONOUTPARAMS;

// Bits returned in the fCapabilities member of GETVERSIONOUTPARAMS
#define CAP_IDE_ID_FUNCTION 1 // ATA ID command supported
#define CAP_IDE_ATAPI_ID 2 // ATAPI ID command supported
#define CAP_IDE_EXECUTE_SMART_FUNCTION 4 // SMART commannds supported

// IDE registers
typedef struct _IDEREGS
{
BYTE bFeaturesReg; // Used for specifying SMART "commands".
BYTE bSectorCountReg; // IDE sector count register
BYTE bSectorNumberReg; // IDE sector number register
BYTE bCylLowReg; // IDE low order cylinder value
BYTE bCylHighReg; // IDE high order cylinder value
BYTE bDriveHeadReg; // IDE drive/head register
BYTE bCommandReg; // Actual IDE command.
BYTE bReserved; // reserved for future use. Must be zero.
} IDEREGS, *PIDEREGS, *LPIDEREGS;

// SENDCMDINPARAMS contains the input parameters for the
// Send Command to Drive function.
typedef struct _SENDCMDINPARAMS
{
DWORD cBufferSize; // Buffer size in bytes
IDEREGS irDriveRegs; // Structure with drive register values.
BYTE bDriveNumber; // Physical drive number to send
// command to (0,1,2,3).
BYTE bReserved[3]; // Reserved for future expansion.
DWORD dwReserved[4]; // For future use.
BYTE bBuffer[1]; // Input buffer.
} SENDCMDINPARAMS, *PSENDCMDINPARAMS, *LPSENDCMDINPARAMS;

// Valid values for the bCommandReg member of IDEREGS.
#define IDE_ATAPI_IDENTIFY 0xA1 // Returns ID sector for ATAPI.
#define IDE_ATA_IDENTIFY 0xEC // Returns ID sector for ATA.

// Status returned from driver
typedef struct _DRIVERSTATUS
{
BYTE bDriverError; // Error code from driver, or 0 if no error.
BYTE bIDEStatus; // Contents of IDE Error register.
// Only valid when bDriverError is SMART_IDE_ERROR.
BYTE bReserved[2]; // Reserved for future expansion.
DWORD dwReserved[2]; // Reserved for future expansion.
} DRIVERSTATUS, *PDRIVERSTATUS, *LPDRIVERSTATUS;

// Structure returned by PhysicalDrive IOCTL for several commands
typedef struct _SENDCMDOUTPARAMS
{
DWORD cBufferSize; // Size of bBuffer in bytes
DRIVERSTATUS DriverStatus; // Driver status structure.
BYTE bBuffer[1]; // Buffer of arbitrary length in which to store the data read from the // drive.
} SENDCMDOUTPARAMS, *PSENDCMDOUTPARAMS, *LPSENDCMDOUTPARAMS;

// The following struct defines the interesting part of the IDENTIFY
// buffer:
typedef struct _IDSECTOR
{
USHORT wGenConfig;
USHORT wNumCyls;
USHORT wReserved;
USHORT wNumHeads;
USHORT wBytesPerTrack;
USHORT wBytesPerSector;
USHORT wSectorsPerTrack;
USHORT wVendorUnique[3];
CHAR sSerialNumber[20];
USHORT wBufferType;
USHORT wBufferSize;
USHORT wECCSize;
CHAR sFirmwareRev[8];
CHAR sModelNumber[40];
USHORT wMoreVendorUnique;
USHORT wDoubleWordIO;
USHORT wCapabilities;
USHORT wReserved1;
USHORT wPIOTiming;
USHORT wDMATiming;
USHORT wBS;
USHORT wNumCurrentCyls;
USHORT wNumCurrentHeads;
USHORT wNumCurrentSectorsPerTrack;
ULONG ulCurrentSectorCapacity;
USHORT wMultSectorStuff;
ULONG ulTotalAddressableSectors;
USHORT wSingleWordDMA;
USHORT wMultiWordDMA;
BYTE bReserved[128];
} IDSECTOR, *PIDSECTOR;

typedef struct _SRB_IO_CONTROL
{
ULONG HeaderLength;
UCHAR Signature[8];
ULONG Timeout;
ULONG ControlCode;
ULONG ReturnCode;
ULONG Length;
} SRB_IO_CONTROL, *PSRB_IO_CONTROL;

// Define global buffers.
BYTE IdOutCmd [sizeof (SENDCMDOUTPARAMS) + IDENTIFY_BUFFER_SIZE - 1];

char *ConvertToString (DWORD diskdata [256], int firstIndex, int lastIndex);
void PrintIdeInfo (int drive, DWORD diskdata [256]);
BOOL DoIDENTIFY (HANDLE, PSENDCMDINPARAMS, PSENDCMDOUTPARAMS, BYTE, BYTE,
PDWORD);

int ReadPhysicalDriveInNT (void)
{
int done = FALSE;
int drive = 0;
for (drive = 0; drive < MAX_IDE_DRIVES; drive++)
{
HANDLE hPhysicalDriveIOCTL = 0;
// Try to get a handle to PhysicalDrive IOCTL, report failure
// and exit if can't.
char driveName [256];
sprintf (driveName, "\\\\.\\PhysicalDrive%d", drive);
// Windows NT, Windows 2000, must have admin rights
hPhysicalDriveIOCTL = CreateFile (driveName,
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
OPEN_EXISTING, 0, NULL);
// if (hPhysicalDriveIOCTL == INVALID_HANDLE_VALUE)
// printf ("Unable to open physical drive %d, error code: 0x%lX\n",
// drive, GetLastError ());
if (hPhysicalDriveIOCTL != INVALID_HANDLE_VALUE)
{
GETVERSIONOUTPARAMS VersionParams;
DWORD cbBytesReturned = 0;
// Get the version, etc of PhysicalDrive IOCTL
memset ((void*) &VersionParams, 0, sizeof(VersionParams));
if ( ! DeviceIoControl (hPhysicalDriveIOCTL, DFP_GET_VERSION,
NULL,
0,
&VersionParams,
sizeof(VersionParams),
&cbBytesReturned, NULL) )
{
// printf ("DFP_GET_VERSION failed for drive %d\n", i);
// continue;
}
// If there is a IDE device at number "i" issue commands
// to the device
if (VersionParams.bIDEDeviceMap > 0)
{
BYTE bIDCmd = 0; // IDE or ATAPI IDENTIFY cmd
SENDCMDINPARAMS scip;
//SENDCMDOUTPARAMS OutCmd;
// Now, get the ID sector for all IDE devices in the system.
// If the device is ATAPI use the IDE_ATAPI_IDENTIFY command,
// otherwise use the IDE_ATA_IDENTIFY command
bIDCmd = (VersionParams.bIDEDeviceMap >> drive & 0x10) ? \
IDE_ATAPI_IDENTIFY : IDE_ATA_IDENTIFY;
memset (&scip, 0, sizeof(scip));
memset (IdOutCmd, 0, sizeof(IdOutCmd));
if ( DoIDENTIFY (hPhysicalDriveIOCTL,
&scip,
(PSENDCMDOUTPARAMS)&IdOutCmd,
(BYTE) bIDCmd,
(BYTE) drive,
&cbBytesReturned))
{
DWORD diskdata [256];
int ijk = 0;
USHORT *pIdSector = (USHORT *)
((PSENDCMDOUTPARAMS) IdOutCmd) -> bBuffer;
for (ijk = 0; ijk < 256; ijk++)
diskdata [ijk] = pIdSector [ijk];
PrintIdeInfo (drive, diskdata);
done = TRUE;
}
}
CloseHandle (hPhysicalDriveIOCTL);
}
}
return done;
}

// DoIDENTIFY
// FUNCTION: Send an IDENTIFY command to the drive
// bDriveNum = 0-3
// bIDCmd = IDE_ATA_IDENTIFY or IDE_ATAPI_IDENTIFY
BOOL DoIDENTIFY (HANDLE hPhysicalDriveIOCTL, PSENDCMDINPARAMS pSCIP,
PSENDCMDOUTPARAMS pSCOP, BYTE bIDCmd, BYTE bDriveNum,
PDWORD lpcbBytesReturned)
{
// Set up data structures for IDENTIFY command.
pSCIP -> cBufferSize = IDENTIFY_BUFFER_SIZE;
pSCIP -> irDriveRegs.bFeaturesReg = 0;
pSCIP -> irDriveRegs.bSectorCountReg = 1;
pSCIP -> irDriveRegs.bSectorNumberReg = 1;
pSCIP -> irDriveRegs.bCylLowReg = 0;
pSCIP -> irDriveRegs.bCylHighReg = 0;
// Compute the drive number.
pSCIP -> irDriveRegs.bDriveHeadReg = 0xA0 | ((bDriveNum & 1) << 4);
// The command can either be IDE identify or ATAPI identify.
pSCIP -> irDriveRegs.bCommandReg = bIDCmd;
pSCIP -> bDriveNumber = bDriveNum;
pSCIP -> cBufferSize = IDENTIFY_BUFFER_SIZE;
return ( DeviceIoControl (hPhysicalDriveIOCTL, DFP_RECEIVE_DRIVE_DATA,
(LPVOID) pSCIP,
sizeof(SENDCMDINPARAMS) - 1,
(LPVOID) pSCOP,
sizeof(SENDCMDOUTPARAMS) + IDENTIFY_BUFFER_SIZE - 1,
lpcbBytesReturned, NULL) );
}

// ------------------------------------------------- //
// WinIo v1.2 //
// Direct Hardware Access Under Windows 9x/NT/2000 //
// Copyright 1998-2000 Yariv Kaplan //
// http://www.internals.com //
// ------------------------------------------------- //
//#include <windows.h>
//#include "instdrv.h"
BOOL LoadDeviceDriver( const TCHAR * Name, const TCHAR * Path, HANDLE * lphDevice );
BOOL UnloadDeviceDriver( const TCHAR * Name );
HANDLE hDriver;
bool IsNT;
bool IsWinIoInitialized = false;

bool IsWinNT()
{
OSVERSIONINFO OSVersionInfo;
OSVersionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
GetVersionEx(&OSVersionInfo);
return OSVersionInfo.dwPlatformId == VER_PLATFORM_WIN32_NT;
}

bool InitializeWinIo()
{
char szExePath[MAX_PATH];
PSTR pszSlash;
IsNT = IsWinNT();
if (IsNT)
{
if (!GetModuleFileName(GetModuleHandle(NULL), szExePath, sizeof(szExePath)))
return false;
pszSlash = strrchr(szExePath, '\\');
if (pszSlash)
pszSlash[1] = 0;
else
return false;
strcat(szExePath, "winio.sys");
// UnloadDeviceDriver("WINIO");
// if (!LoadDeviceDriver("WINIO", szExePath, &hDriver))
// return false;
}

IsWinIoInitialized = true;
return true;
}

void ShutdownWinIo()
{
// if (IsNT)
// UnloadDeviceDriver("WINIO");
}

// ------------------------------------------------ //
// Port32 v3.0 //
// Direct Port Access Under Windows 9x/NT/2000 //
// Copyright 1998-2000 Yariv Kaplan //
// http://www.internals.com //
// ------------------------------------------------ //
//#include <windows.h>
#include <winioctl.h>
#include "port32.h"
#include "winio.h"
//#include "general.h"
// These are our ring 0 functions responsible for tinkering with the hardware ports.
// They have a similar privilege to a Windows VxD and are therefore free to access
// protected system resources (such as the page tables) and even place calls to
// exported VxD services.
__declspec(naked) void Ring0GetPortVal()
{
_asm
{
Cmp CL, 1
Je ByteVal
Cmp CL, 2
Je WordVal
Cmp CL, 4
Je DWordVal
ByteVal:
In AL, DX
Mov [EBX], AL
Retf
WordVal:
In AX, DX
Mov [EBX], AX
Retf
DWordVal:
In EAX, DX
Mov [EBX], EAX
Retf
}
}

__declspec(naked) void Ring0SetPortVal()
{
_asm
{
Cmp CL, 1
Je ByteVal
Cmp CL, 2
Je WordVal
Cmp CL, 4
Je DWordVal
ByteVal:
Mov AL, [EBX]
Out DX, AL
Retf
WordVal:
Mov AX, [EBX]
Out DX, AX
Retf
DWordVal:
Mov EAX, [EBX]
Out DX, EAX
Retf
}
}

// This function makes it possible to call ring 0 code from a ring 3
// application.
bool CallRing0(PVOID pvRing0FuncAddr, WORD wPortAddr, PDWORD pdwPortVal, BYTE bSize)
{
struct GDT_DESCRIPTOR *pGDTDescriptor;
struct GDTR gdtr;
WORD CallgateAddr[3];
WORD wGDTIndex = 1;
_asm Sgdt [gdtr]
// Skip the null descriptor
pGDTDescriptor = (struct GDT_DESCRIPTOR *)(gdtr.dwGDTBase + 8);
// Search for a free GDT descriptor
for (wGDTIndex = 1; wGDTIndex < (gdtr.wGDTLimit / 8); wGDTIndex++)
{
if (pGDTDescriptor->Type == 0 &&
pGDTDescriptor->System == 0 &&
pGDTDescriptor->DPL == 0 &&
pGDTDescriptor->Present == 0)
{
// Found one !
// Now we need to transform this descriptor into a callgate.
// Note that we're using selector 0x28 since it corresponds
// to a ring 0 segment which spans the entire linear address
// space of the processor (0-4GB).
struct CALLGATE_DESCRIPTOR *pCallgate;
pCallgate = (struct CALLGATE_DESCRIPTOR *) pGDTDescriptor;
pCallgate->Offset_0_15 = LOWORD(pvRing0FuncAddr);
pCallgate->Selector = 0x28;
pCallgate->ParamCount = 0;
pCallgate->Unused = 0;
pCallgate->Type = 0xc;
pCallgate->System = 0;
pCallgate->DPL = 3;
pCallgate->Present = 1;
pCallgate->Offset_16_31 = HIWORD(pvRing0FuncAddr);
// Prepare the far call parameters
CallgateAddr[0] = 0x0;
CallgateAddr[1] = 0x0;
CallgateAddr[2] = (wGDTIndex << 3) | 3;
// Please fasten your seat belts!
// We're about to make a hyperspace jump into RING 0.
_asm Mov DX, [wPortAddr]
_asm Mov EBX, [pdwPortVal]
_asm Mov CL, [bSize]
_asm Call FWORD PTR [CallgateAddr]
// We have made it !
// Now free the GDT descriptor
memset(pGDTDescriptor, 0, 8);
// Our journey was successful. Seeya.
return true;
}
// Advance to the next GDT descriptor
pGDTDescriptor++;
}
// Whoops, the GDT is full
return false;
}

bool GetPortVal(WORD wPortAddr, PDWORD pdwPortVal, BYTE bSize)
{
bool Result;
DWORD dwBytesReturned;
struct tagPort32Struct Port32Struct;
if (IsNT)
{
if (!IsWinIoInitialized)
return false;
Port32Struct.wPortAddr = wPortAddr;
Port32Struct.bSize = bSize;
if (!DeviceIoControl(hDriver, IOCTL_WINIO_READPORT, &Port32Struct,
sizeof(struct tagPort32Struct), &Port32Struct,
sizeof(struct tagPort32Struct),
&dwBytesReturned, NULL))
return false;
else
*pdwPortVal = Port32Struct.dwPortVal;
}
else
{
Result = CallRing0((PVOID)Ring0GetPortVal, wPortAddr, pdwPortVal, bSize);
if (Result == false)
return false;
}
return true;
}

bool SetPortVal(WORD wPortAddr, DWORD dwPortVal, BYTE bSize)
{
DWORD dwBytesReturned;
struct tagPort32Struct Port32Struct;
if (IsNT)
{
if (!IsWinIoInitialized)
return false;
Port32Struct.wPortAddr = wPortAddr;
Port32Struct.dwPortVal = dwPortVal;
Port32Struct.bSize = bSize;
if (!DeviceIoControl(hDriver, IOCTL_WINIO_WRITEPORT, &Port32Struct,
sizeof(struct tagPort32Struct), NULL, 0, &dwBytesReturned, NULL))
return false;
}
else
return CallRing0((PVOID)Ring0SetPortVal, wPortAddr, &dwPortVal, bSize);

return true;
}

int ReadDrivePortsInWin9X (void)
{
int done = FALSE;
int drive = 0;
InitializeWinIo ();
// Get IDE Drive info from the hardware ports
// loop thru all possible drives
for (drive = 0; drive < 8; drive++)
{
DWORD diskdata [256];
WORD baseAddress = 0; // Base address of drive controller
DWORD portValue = 0;
int waitLoop = 0;
int index = 0;

switch (drive / 2)
{
case 0: baseAddress = 0x1f0; break;
case 1: baseAddress = 0x170; break;
case 2: baseAddress = 0x1e8; break;
case 3: baseAddress = 0x168; break;
}
// Wait for controller not busy
waitLoop = 100000;
while (--waitLoop > 0)
{
GetPortVal ((WORD) (baseAddress + 7), &portValue, (BYTE) 1);
// drive is ready
if ((portValue & 0x40) == 0x40) break;
// previous drive command ended in error
if ((portValue & 0x01) == 0x01) break;
}
if (waitLoop < 1) continue;
// Set Master or Slave drive
if ((drive % 2) == 0)
SetPortVal ((WORD) (baseAddress + 6), 0xA0, 1);
else
SetPortVal ((WORD) (baseAddress + 6), 0xB0, 1);
// Get drive info data
SetPortVal ((WORD) (baseAddress + 7), 0xEC, 1);
// Wait for data ready
waitLoop = 100000;
while (--waitLoop > 0)
{
GetPortVal ((WORD) (baseAddress + 7), &portValue, 1);
// see if the drive is ready and has it's info ready for us
if ((portValue & 0x48) == 0x48) break;
// see if there is a drive error
if ((portValue & 0x01) == 0x01) break;
}
// check for time out or other error
if (waitLoop < 1 || portValue & 0x01) continue;
// read drive id information
for (index = 0; index < 256; index++)
{
diskdata [index] = 0; // init the space
GetPortVal (baseAddress, &(diskdata [index]), 2);
}
PrintIdeInfo (drive, diskdata);
done = TRUE;
}
ShutdownWinIo ();
return done;
}

#define SENDIDLENGTH sizeof (SENDCMDOUTPARAMS) + IDENTIFY_BUFFER_SIZE

int ReadIdeDriveAsScsiDriveInNT (void)
{
int done = FALSE;
int controller = 0;
for (controller = 0; controller < 2; controller++)
{
HANDLE hScsiDriveIOCTL = 0;
char driveName [256];
// Try to get a handle to PhysicalDrive IOCTL, report failure
// and exit if can't.
sprintf (driveName, "\\\\.\\Scsi%d:", controller);
// Windows NT, Windows 2000, any rights should do
hScsiDriveIOCTL = CreateFile (driveName,
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
OPEN_EXISTING, 0, NULL);
// if (hScsiDriveIOCTL == INVALID_HANDLE_VALUE)
// printf ("Unable to open SCSI controller %d, error code: 0x%lX\n",
// controller, GetLastError ());
if (hScsiDriveIOCTL != INVALID_HANDLE_VALUE)
{
int drive = 0;
for (drive = 0; drive < 2; drive++)
{
char buffer [sizeof (SRB_IO_CONTROL) + SENDIDLENGTH];
SRB_IO_CONTROL *p = (SRB_IO_CONTROL *) buffer;
SENDCMDINPARAMS *pin =
(SENDCMDINPARAMS *) (buffer + sizeof (SRB_IO_CONTROL));
DWORD dummy;

memset (buffer, 0, sizeof (buffer));
p -> HeaderLength = sizeof (SRB_IO_CONTROL);
p -> Timeout = 10000;
p -> Length = SENDIDLENGTH;
p -> ControlCode = IOCTL_SCSI_MINIPORT_IDENTIFY;
strncpy ((char *) p -> Signature, "SCSIDISK", 8);

pin -> irDriveRegs.bCommandReg = IDE_ATA_IDENTIFY;
pin -> bDriveNumber = drive;
if (DeviceIoControl (hScsiDriveIOCTL, IOCTL_SCSI_MINIPORT,
buffer,
sizeof (SRB_IO_CONTROL) +
sizeof (SENDCMDINPARAMS) - 1,
buffer,
sizeof (SRB_IO_CONTROL) + SENDIDLENGTH,
&dummy, NULL))
{
SENDCMDOUTPARAMS *pOut =
(SENDCMDOUTPARAMS *) (buffer + sizeof (SRB_IO_CONTROL));
IDSECTOR *pId = (IDSECTOR *) (pOut -> bBuffer);
if (pId -> sModelNumber [0])
{
DWORD diskdata [256];
int ijk = 0;
USHORT *pIdSector = (USHORT *) pId;

for (ijk = 0; ijk < 256; ijk++)
diskdata [ijk] = pIdSector [ijk];
PrintIdeInfo (controller * 2 + drive, diskdata);
done = TRUE;
}
}
}
CloseHandle (hScsiDriveIOCTL);
}
}
return done;
}

char HardDriveSerialNumber [1024];

void PrintIdeInfo (int drive, DWORD diskdata [256])
{
// copy the hard driver serial number to the buffer
strcpy (HardDriveSerialNumber, ConvertToString (diskdata, 10, 19));
#ifdef PRINTING_TO_CONSOLE_ALLOWED
switch (drive / 2)
{
case 0: printf ("\nPrimary Controller - ");
break;
case 1: printf ("\nSecondary Controller - ");
break;
case 2: printf ("\nTertiary Controller - ");
break;
case 3: printf ("\nQuaternary Controller - ");
break;
}
switch (drive % 2)
{
case 0: printf ("Master drive\n\n");
break;
case 1: printf ("Slave drive\n\n");
break;
}
printf ("Drive Model Number________________: %s\n",
ConvertToString (diskdata, 27, 46));
printf ("Drive Serial Number_______________: %s\n",
ConvertToString (diskdata, 10, 19));
printf ("Drive Controller Revision Number__: %s\n",
ConvertToString (diskdata, 23, 26));
printf ("Controller Buffer Size on Drive___: %u bytes\n",
diskdata [21] * 512);
printf ("Drive Type________________________: ");
if (diskdata [0] & 0x0080)
printf ("Removable\n");
else if (diskdata [0] & 0x0040)
printf ("Fixed\n");
else printf ("Unknown\n");

printf ("Physical Geometry: "
"%u Cylinders %u Heads %u Sectors per track\n",
diskdata [1], diskdata [3], diskdata [6]);
#else // PRINTING_TO_CONSOLE_ALLOWED
// nothing to do
#endif // PRINTING_TO_CONSOLE_ALLOWED
}

char *ConvertToString (DWORD diskdata [256], int firstIndex, int lastIndex)
{
static char string [1024];
int index = 0;
int position = 0;
// each integer has two characters stored in it backwards
for (index = firstIndex; index <= lastIndex; index++)
{
// get high byte for 1st character
string [position] = (char) (diskdata [index] / 256);
position++;
// get low byte for 2nd character
string [position] = (char) (diskdata [index] % 256);
position++;
}
// end the string
string [position] = '\0';
// cut off the trailing blanks
for (index = position - 1; index > 0 && ' ' == string [index]; index--)
string [index] = '\0';
return string;
}

long getHardDriveComputerID ()
{
int done = FALSE;
//char string [1024];
__int64 id = 0;
strcpy (HardDriveSerialNumber, "");
// this works under WinNT4 or Win2K if you have admin rights
done = ReadPhysicalDriveInNT ();
// this should work in WinNT or Win2K if previous did not work
// this is kind of a backdoor via the SCSI mini port driver into
// the IDE drives
if ( ! done) done = ReadIdeDriveAsScsiDriveInNT ();
// this works under Win9X and calls WINIO.DLL
if ( ! done) done = ReadDrivePortsInWin9X ();
if (done)
{
char *p = HardDriveSerialNumber;
//WriteConstantString ("HardDriveSerialNumber", HardDriveSerialNumber);
// ignore first 5 characters from western digital hard drives if
// the first four characters are WD-W
if ( ! strncmp (HardDriveSerialNumber, "WD-W", 4)) p += 5;
for ( ; p && *p; p++)
{
if ('-' == *p) continue;
id *= 10;
switch (*p)
{
case '0': id += 0; break;
case '1': id += 1; break;
case '2': id += 2; break;
case '3': id += 3; break;
case '4': id += 4; break;
case '5': id += 5; break;
case '6': id += 6; break;
case '7': id += 7; break;
case '8': id += 8; break;
case '9': id += 9; break;
case 'a': case 'A': id += 10; break;
case 'b': case 'B': id += 11; break;
case 'c': case 'C': id += 12; break;
case 'd': case 'D': id += 13; break;
case 'e': case 'E': id += 14; break;
case 'f': case 'F': id += 15; break;
case 'g': case 'G': id += 16; break;
case 'h': case 'H': id += 17; break;
case 'i': case 'I': id += 18; break;
case 'j': case 'J': id += 19; break;
case 'k': case 'K': id += 20; break;
case 'l': case 'L': id += 21; break;
case 'm': case 'M': id += 22; break;
case 'n': case 'N': id += 23; break;
case 'o': case 'O': id += 24; break;
case 'p': case 'P': id += 25; break;
case 'q': case 'Q': id += 26; break;
case 'r': case 'R': id += 27; break;
case 's': case 'S': id += 28; break;
case 't': case 'T': id += 29; break;
case 'u': case 'U': id += 30; break;
case 'v': case 'V': id += 31; break;
case 'w': case 'W': id += 32; break;
case 'x': case 'X': id += 33; break;
case 'y': case 'Y': id += 34; break;
case 'z': case 'Z': id += 35; break;
}
}
}
// make sure no bigger than 16^7
if (id > 268435455) id %= 268435456;
#ifdef PRINTING_TO_CONSOLE_ALLOWED
printf ("\nComputer ID_______________________: %d\n", id);
#endif
return (long) id;
}

int main (int argc, char * argv [])
{
long id = getHardDriveComputerID ();
return 0;
}

huangyhg

2) port32.h
#ifndef PORT32_H
#define PORT32_H
#ifdef WINIO_DLL
#define PORT32API _declspec(dllexport)
#else
#define PORT32API _declspec(dllimport)
#endif
#pragma pack(1)
struct GDT_DESCRIPTOR
{
WORD Limit_0_15;
WORD Base_0_15;
BYTE Base_16_23;
BYTE Type : 4;
BYTE System : 1;
BYTE DPL : 2;
BYTE Present : 1;
BYTE Limit_16_19 : 4;
BYTE Available : 1;
BYTE Reserved : 1;
BYTE D_B : 1;
BYTE Granularity : 1;
BYTE Base_24_31;
};
struct CALLGATE_DESCRIPTOR
{
WORD Offset_0_15;
WORD Selector;
WORD ParamCount : 5;
WORD Unused : 3;
WORD Type : 4;
WORD System : 1;
WORD DPL : 2;
WORD Present : 1;
WORD Offset_16_31;
};
struct GDTR
{
WORD wGDTLimit;
DWORD dwGDTBase;
};
#pragma pack()

//extern "C"
//{
// PORT32API bool _stdcall GetPortVal(WORD wPortAddr, PDWORD pdwPortVal, BYTE bSize);
// PORT32API bool _stdcall SetPortVal(WORD wPortAddr, DWORD dwPortVal, BYTE bSize);
//}
#endif

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借用达朗贝尔的名言：前进吧，你会得到信心!
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