c++获取网卡MAC地址

#include <windows.h>

#include <stdlib.h>

#include <stdio.h>

#include <iostream>

#include <string>

#pragma comment(lib,"netapi32.lib")

using namespace std;

//#define bzero(thing,sz) memset(thing,0,sz)

bool GetAdapterInfo(int adapter_num, string &mac_addr)

{

// 重置网卡，以便我们可以查询

NCB Ncb;

memset(&Ncb, 0, sizeof(Ncb));

Ncb.ncb_command = NCBRESET;

Ncb.ncb_lana_num = adapter_num;

if (Netbios(&Ncb) != NRC_GOODRET) {

mac_addr = "bad (NCBRESET): ";

// mac_addr += string(Ncb.ncb_retcode);

return false;

}

// 准备取得接口卡的状态块

memset(&Ncb,0,sizeof(Ncb));

Ncb.ncb_command = NCBASTAT;

Ncb.ncb_lana_num = adapter_num;

strcpy((char *) Ncb.ncb_callname, "*");

struct ASTAT

{

ADAPTER_STATUS adapt;

NAME_BUFFER NameBuff[30];

} Adapter;

//bzero(&Adapter,sizeof(Adapter));

memset(&Adapter,0,sizeof(Adapter));

Ncb.ncb_buffer = (unsigned char *)&Adapter;

Ncb.ncb_length = sizeof(Adapter);

// 取得网卡的信息，并且如果网卡正常工作的话，返回标准的冒号分隔格式。

if (Netbios(&Ncb) == 0)

{

char acMAC[18];

sprintf(acMAC, "%02X:%02X:%02X:%02X:%02X:%02X",

int (Adapter.adapt.adapter_address[0]),

int (Adapter.adapt.adapter_address[1]),

int (Adapter.adapt.adapter_address[2]),

int (Adapter.adapt.adapter_address[3]),

int (Adapter.adapt.adapter_address[4]),

int (Adapter.adapt.adapter_address[5]));

mac_addr = acMAC;

return true;

}

else

{

mac_addr = "bad (NCBASTAT): ";

// mac_addr += string(Ncb.ncb_retcode);

return false;

}

}

int main()

{

// 取得网卡列表

LANA_ENUM AdapterList;

NCB Ncb;

memset(&Ncb, 0, sizeof(NCB));

Ncb.ncb_command = NCBENUM;

Ncb.ncb_buffer = (unsigned char *)&AdapterList;

Ncb.ncb_length = sizeof(AdapterList);

Netbios(&Ncb);

// 取得本地以太网卡的地址

string mac_addr;

for (int i = 0; i < AdapterList.length ; ++i)

{

if (GetAdapterInfo(AdapterList.lana[i], mac_addr))

{

cout << "Adapter " << int (AdapterList.lana[i]) <<

"'s MAC is " << mac_addr << endl;

}

else

{

cerr << "Failed to get MAC address! Do you" << endl;

cerr << "have the NetBIOS protocol installed?" << endl;

break;

}

}

system("pause");

return 0;

}