C++ 硬件信息 获取主板序列号

#if !defined(AFX_DD71A3C0_A52F_4C38_B062_8E05785607DC__INCLUDED_)
#define AFX_DD71A3C0_A52F_4C38_B062_8E05785607DC__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include <iostream>
#include <string>
#include <windows.h>

using namespace std;

//--------------------------------------------------------------
//						主板序列号
//--------------------------------------------------------------
BOOL GetBaseBoardByCmd(char *lpszBaseBoard, int len=128);

#endif // !defined(AFX_DD71A3C0_A52F_4C38_B062_8E05785607DC__INCLUDED_)

#include "stdafx.h"
#include "BaseBoard.h"

//--------------------------------------------------------------
//						主板序列号 -- 获取不到时为 None
//--------------------------------------------------------------
BOOL GetBaseBoardByCmd(char *lpszBaseBoard, int len/*=128*/)
{	
	const long MAX_COMMAND_SIZE = 10000; // 命令行输出缓冲大小	
	WCHAR szFetCmd[]			= L"wmic BaseBoard get SerialNumber"; // 获取主板序列号命令行	
	const string strEnSearch = "SerialNumber"; // 主板序列号的前导信息
	
	BOOL   bret		  = FALSE;
	HANDLE hReadPipe  = NULL; //读取管道
	HANDLE hWritePipe = NULL; //写入管道	
	PROCESS_INFORMATION pi;   //进程信息	
	STARTUPINFO			si;	  //控制命令行窗口信息
	SECURITY_ATTRIBUTES sa;   //安全属性

	char			szBuffer[MAX_COMMAND_SIZE+1] = {0}; // 放置命令行结果的输出缓冲区
	string			strBuffer;
	unsigned long	count = 0;
	long			ipos  = 0;

	memset(&pi, 0, sizeof(pi));
	memset(&si, 0, sizeof(si));
	memset(&sa, 0, sizeof(sa));

	pi.hProcess = NULL;
	pi.hThread  = NULL;
	si.cb		= sizeof(STARTUPINFO);
	sa.nLength	= sizeof(SECURITY_ATTRIBUTES);
	sa.lpSecurityDescriptor = NULL;
	sa.bInheritHandle		= TRUE;

	//1.0 创建管道
	bret = CreatePipe(&hReadPipe, &hWritePipe, &sa, 0);
	if(!bret)
	{
		goto END;
	}

	//2.0 设置命令行窗口的信息为指定的读写管道
	GetStartupInfo(&si);
	si.hStdError	= hWritePipe;
	si.hStdOutput	= hWritePipe;
	si.wShowWindow	= SW_HIDE; //隐藏命令行窗口
	si.dwFlags		= STARTF_USESHOWWINDOW | STARTF_USESTDHANDLES;

	//3.0 创建获取命令行的进程
	bret = CreateProcess(NULL, szFetCmd, NULL, NULL, TRUE, 0, NULL, NULL, &si, &pi );
	if(!bret)
	{
		goto END;
	}	

	//4.0 读取返回的数据
	WaitForSingleObject (pi.hProcess, 500/*INFINITE*/);
	bret  =  ReadFile(hReadPipe,  szBuffer,  MAX_COMMAND_SIZE,  &count,  0);
	if(!bret)
	{
		goto END;
	}

	//5.0 查找主板序列号
	bret = FALSE;
	strBuffer = szBuffer;
	ipos = strBuffer.find(strEnSearch);

	if (ipos < 0) // 没有找到
	{		
	    goto END;
	}
	else
	{
		strBuffer = strBuffer.substr(ipos+strEnSearch.length());
	}	

	memset(szBuffer, 0x00, sizeof(szBuffer));
	strcpy_s(szBuffer, strBuffer.c_str());

    //去掉中间的空格 \r \n
    int j = 0;
    for (int i = 0; i < strlen(szBuffer); i++)
    {
        if (szBuffer[i] != ' ' && szBuffer[i] != '\n' && szBuffer[i] != '\r')
        {
            lpszBaseBoard[j] = szBuffer[i];
            j++;
        }
    }

	bret = TRUE;

END:
	//关闭所有的句柄
	CloseHandle(hWritePipe);
	CloseHandle(hReadPipe);
	CloseHandle(pi.hProcess);
	CloseHandle(pi.hThread);

	return(bret);
}