c++获取硬盘序列号

转载：https://www.cnblogs.com/qq76211822/p/4712033.html

#include<iostream>
#include <windows.h>  
#include <winioctl.h>  
#include<tchar.h>

using namespace std;

//  
BOOL GetPhyDriveSerial(LPTSTR pModelNo, LPTSTR pSerialNo);
void ToLittleEndian(PUSHORT pWords, int nFirstIndex, int nLastIndex, LPTSTR pBuf);
void TrimStart(LPTSTR pBuf);

//把WORD数组调整字节序为little-endian，并滤除字符串结尾的空格。  
void ToLittleEndian(PUSHORT pWords, int nFirstIndex, int nLastIndex, LPTSTR pBuf)
{
    int index;
    LPTSTR pDest = pBuf;
    for (index = nFirstIndex; index <= nLastIndex; ++index)
    {
        pDest[0] = pWords[index] >> 8;
        pDest[1] = pWords[index] & 0xFF;
        pDest += 2;
    }
    *pDest = 0;

    //trim space at the endof string; 0x20: _T(' ')  
    --pDest;
    while (*pDest == 0x20)
    {
        *pDest = 0;
        --pDest;
    }
}

BOOL GetPhyDriveSerial(LPTSTR pModelNo, LPTSTR pSerialNo)
{
    //-1是因为 SENDCMDOUTPARAMS 的结尾是 BYTE bBuffer[1];  
    BYTE IdentifyResult[sizeof(SENDCMDOUTPARAMS)+IDENTIFY_BUFFER_SIZE - 1];
    DWORD dwBytesReturned;
    GETVERSIONINPARAMS get_version;
    SENDCMDINPARAMS send_cmd = { 0 };

    HANDLE hFile = CreateFile(_T("\\.\PHYSICALDRIVE0"), GENERIC_READ | GENERIC_WRITE,
        FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL);
    if (hFile == INVALID_HANDLE_VALUE)
        return FALSE;

    //get version  
    DeviceIoControl(hFile, SMART_GET_VERSION, NULL, 0,
        &get_version, sizeof(get_version), &dwBytesReturned, NULL);

    //identify device  
    send_cmd.irDriveRegs.bCommandReg = (get_version.bIDEDeviceMap & 0x10) ? ATAPI_ID_CMD : ID_CMD;
    DeviceIoControl(hFile, SMART_RCV_DRIVE_DATA, &send_cmd, sizeof(SENDCMDINPARAMS)-1,
        IdentifyResult, sizeof(IdentifyResult), &dwBytesReturned, NULL);
    CloseHandle(hFile);

    //adjust the byte order  
    PUSHORT pWords = (USHORT*)(((SENDCMDOUTPARAMS*)IdentifyResult)->bBuffer);
    ToLittleEndian(pWords, 27, 46, pModelNo);
    ToLittleEndian(pWords, 10, 19, pSerialNo);
    return TRUE;
}

//滤除字符串起始位置的空格  
void TrimStart(LPTSTR pBuf)
{
    if (*pBuf != 0x20)
        return;

    LPTSTR pDest = pBuf;
    LPTSTR pSrc = pBuf + 1;
    while (*pSrc == 0x20)
        ++pSrc;

    while (*pSrc)
    {
        *pDest = *pSrc;
        ++pDest;
        ++pSrc;
    }
    *pDest = 0;
}

int main()
{
    TCHAR szModelNo[48], szSerialNo[24];
    if (GetPhyDriveSerial(szModelNo, szSerialNo))
    {
        _tprintf(_T("Model No: %s
"), szModelNo);
        TrimStart(szSerialNo);
        _tprintf(_T("Serial No: %s
"), szSerialNo);
    }
    else
    {
        _tprintf(_T("Failed.
"));
    }
    system("pause");
    return 0;
}