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C#讀硬盤序列號的原代碼

編輯：關於C語言

硬盤public class IDE
{
[StructLayout(LayoutKind.Sequential, CharSet=CharSet.Ansi)]
internal struct IDSECTOR
{
public ushort wGenConfig;
public ushort wNumCyls;
public ushort wReserved;
public ushort wNumHeads;
public ushort wBytesPerTrack;
public ushort wBytesPerSector;
public ushort wSectorsPerTrack;
[ MarshalAs( UnmanagedType.ByValArray, SizeConst=3)]
public ushort [] wVendorUnique;
[ MarshalAs( UnmanagedType.ByValTStr, SizeConst=20)]
public string sSerialNumber;
public ushort wBufferType;
public ushort wBufferSize;
public ushort wECCSize;
[ MarshalAs( UnmanagedType.ByValTStr, SizeConst=8)]
public string sFirmwareRev;
[ MarshalAs( UnmanagedType.ByValTStr, SizeConst=40)]
public string sModelNumber;
public ushort wMoreVendorUnique;
public ushort wDoubleWordIO;
public ushort wCapabilitIEs;
public ushort wReserved1;
public ushort wPIOTiming;
public ushort wDMATiming;
public ushort wBS;
public ushort wNumCurrentCyls;
public ushort wNumCurrentHeads;
public ushort wNumCurrentSectorsPerTrack;
public uint ulCurrentSectorCapacity;
public ushort wMultSectorStuff;
public uint ulTotalAddressableSectors;
public ushort wSingleWordDMA;
public ushort wMultiWordDMA;
[ MarshalAs( UnmanagedType.ByValArray, SizeConst=128 )]
public byte [] bReserved;
}

[StructLayout(LayoutKind.Sequential)]
internal struct DRIVERSTATUS
{
public byte bDriverError;
public byte bIDEStatus;
[ MarshalAs( UnmanagedType.ByValArray, SizeConst=2 )]
public byte [] bReserved;
[ MarshalAs( UnmanagedType.ByValArray, SizeConst=2 )]
public uint [] dwReserved;
}

[StructLayout(LayoutKind.Sequential)]
internal struct SENDCMDOUTPARAMS
{
public uint cBufferSize;
public DRIVERSTATUS DriverStatus;
[ MarshalAs( UnmanagedType.ByValArray, SizeConst=513 )]
public byte [] bBuffer;
}

[StructLayout(LayoutKind.Sequential, CharSet=CharSet.Ansi)]
internal struct SRB_IO_CONTROL
{
public uint HeaderLength;
[ MarshalAs( UnmanagedType.ByValTStr, SizeConst=8 )]
public string Signature;
public uint Timeout;
public uint ControlCode;
public uint ReturnCode;
public uint Length;
}

[StructLayout(LayoutKind.Sequential)]
internal struct IDEREGS
{
public byte bFeaturesReg;
public byte bSectorCountReg;
public byte bSectorNumberReg;
public byte bCylLowReg;
public byte bCylHighReg;
public byte bDriveHeadReg;
public byte bCommandReg;
public byte bReserved;
}

[StructLayout(LayoutKind.Sequential)]
internal struct SENDCMDINPARAMS
{
public uint cBufferSize;
public IDEREGS irDriveRegs;
public byte bDriveNumber;
[ MarshalAs( UnmanagedType.ByValArray, SizeConst=3 )]
public byte [] bReserved;
[ MarshalAs( UnmanagedType.ByValArray, SizeConst=4 )]
public uint [] dwReserved;
public byte bBuffer;
}

[StructLayout(LayoutKind.Sequential)]
internal struct GETVERSIONOUTPARAMS
{
public byte bVersion;
public byte bRevision;
public byte bReserved;
public byte bIDEDeviceMap;
public uint fCapabilitIEs;
[ MarshalAs( UnmanagedType.ByValArray, SizeConst=4 )]
public uint [] dwReserved; // For future use.
}

[DllImport("kernel32.dll")]
private static extern int CloseHandle(uint hObject);

[DllImport("kernel32.dll")]
private static extern int DeviceIoControl(uint hDevice,
uint dwIoControlCode,
ref SENDCMDINPARAMS lpInBuffer,
int nInBufferSize,
ref SENDCMDOUTPARAMS lpOutBuffer,
int nOutBufferSize,
ref uint lpbytesReturned,
int lpOverlapped);

[DllImport("kernel32.dll")]
private static extern int DeviceIoControl(uint hDevice,
uint dwIoControlCode,
int lpInBuffer,
int nInBufferSize,
ref GETVERSIONOUTPARAMS lpOutBuffer,
int nOutBufferSize,
ref uint lpbytesReturned,
int lpOverlapped);

[DllImport("kernel32.dll")]
private static extern uint CreateFile(string lpFileName,
uint dwDesiredAccess,
uint dwShareMode,
int lpSecurityAttributes,
uint dwCreationDisposition,
uint dwFlagsAndAttributes,
int hTemplateFile);

private const uint GENERIC_READ = 0x80000000;
private const uint GENERIC_WRITE = 0x40000000;
private const uint FILE_SHARE_READ = 0x00000001;
private const uint FILE_SHARE_WRITE = 0x00000002;
private const uint OPEN_EXISTING = 3;
private const uint INVALID_HANDLE_VALUE = 0xffffffff;
private const uint DFP_GET_VERSION = 0x00074080;
private const int IDE_ATAPI_IDENTIFY = 0xA1; // Returns ID sector for ATAPI.
private const int IDE_ATA_IDENTIFY = 0xEC; // Returns ID sector for ATA.
private const int IDENTIFY_BUFFER_SIZE = 512;
private const uint DFP_RECEIVE_DRIVE_DATA = 0x0007c088;

public static string Read(byte drive)
{
OperatingSystem os = Environment.OSVersion;
if (os.Platform != PlatformID.Win32NT) throw new NotSupportedException("僅支持WindowsNT/2000/XP");
//我沒有NT4，請哪位大大測試一下NT4下能不能用
//if (os.Version.Major < 5) throw new NotSupportedException("僅支持WindowsNT/2000/XP");

string driveName = "\\\\.\\PhysicalDrive" + drive.ToString();
uint device = CreateFile(driveName,
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
0, OPEN_EXISTING, 0, 0);
if (device == INVALID_HANDLE_VALUE) return "";
GETVERSIONOUTPARAMS verPara = new GETVERSIONOUTPARAMS();
uint bytRv = 0;

if (0 != DeviceIoControl(device, DFP_GET_VERSION,
0, 0, ref verPara, Marshal.SizeOf(verPara),
ref bytRv, 0))
{
if (verPara.bIDEDeviceMap > 0)
{
byte bIDCmd = (byte)(((verPara.bIDEDeviceMap >> drive & 0x10) != 0) ? IDE_ATAPI_IDENTIFY : IDE_ATA_IDENTIFY);
SENDCMDINPARAMS scip = new SENDCMDINPARAMS();
SENDCMDOUTPARAMS scop = new SENDCMDOUTPARAMS();

scip.cBufferSize = IDENTIFY_BUFFER_SIZE;
scip.irDriveRegs.bFeaturesReg = 0;
scip.irDriveRegs.bSectorCountReg = 1;
scip.irDriveRegs.bCylLowReg = 0;
scip.irDriveRegs.bCylHighReg = 0;
scip.irDriveRegs.bDriveHeadReg = (byte)(0xA0 | ((drive & 1) << 4));
scip.irDriveRegs.bCommandReg = bIDCmd;
scip.bDriveNumber = drive;

if (0 != DeviceIoControl(device, DFP_RECEIVE_DRIVE_DATA,
ref scip, Marshal.SizeOf(scip), ref scop,
Marshal.SizeOf(scop), ref bytRv, 0))
{
StringBuilder s = new StringBuilder();
for (int i = 20; i < 40; i += 2)
{
s.Append((char)(scop.bBuffer[i+1]));
s.Append((char)scop.bBuffer[i]);
}
CloseHandle(device);
return s.ToString().Trim();
}
}
}
CloseHandle(device);
return "";
}
}