C/C++通过IP获取局域网网卡MAC地址

C/C++通过IP获取局域网网卡MAC地址

通过win32 SendARP获取MAC地址

代码

#include <winsock2.h>
#include <IOStream>
#include<iphlpapi.h>
 
#pragma comment(lib,"ws2_32.lib")
#pragma comment(lib,"iphlpapi.lib")
 
/**
 * 通过局域网ip获取网卡MAC地址
*/
std::string GetMacAddress(std::string destIpStr)
{
    IPAddr srcIp = 0;
    IPAddr destIp = 0;
    ULONG mac[2];
    ULONG macLen = 6;
    destIp = inet_addr(destIpStr.c_str());
    memset(mac,0xff,sizeof(mac));
    SendARP(destIp,srcIp编程客栈,(PVOID)mac,(PULONG)&macLen);
    printf("%p\r\n",mac);
 
    // 打印mac
    byte* bMac = (byte*)mac;
    std::string macResult;
    for (size_t i = 0; i < macLen; i++)
    {
        char macItem[2];
        /* code */
        sprintf(macItem,"%.2X",bMac[i]);
        macResult.append(macItem);
        if(i<macLen-1)
        {
            macResult.append("-");
        }
    }
    
    return macResult;
};

调用

void main(int* argc,char* argv[])
{
    // std::cout << 1111 &www.devze.comlt;<std::endl;
    std::string ip;
    ip.append("192.168.31.191");
    std::string mac = GetMacAddress(ip);
    std::cout <<"ip\tmac"<< std::endl;
    std::cout << ip.c_str() << "\t" <<mac.c_str() << std::endl;
    getchar();
};

输出

 ip     mac

192.168.31.191  08-D1-27-8F-25-EV

方法补充

除了上文的方法，小编还为大家整理了C++ 通过IP地址获取MAC地址的其他方法，希望对大家有所帮助

话不多说 直接上代码

#include <iostream>
#include <string>
#include <winsock2.h>
#include <iphlpapi.h>
#pragma warning(disable:4996)

#pragma comment(lib, "ws2_32.lib")
#pragma comment(lib, "iphlpapi.lib")

std::string getMacAddress(const std::string& ipAddress) {
    // 初始化Winsock
    WSADATA wsaData;
    if (WSAStartup(MAKEWORD(2, 2), &wsaData) != 0) {
        std::cerr << "WSAStartup failed." << std::endl;
        return "";
    }

    // 将IP地址转换为ULONG格式
    ULONG destIp = inet_addr(ipAddress.c_str());
    if (destIp == INADDR_NONE) {
        std::cerr << "Invalid IP address." << std::endl;
        WSACleanup();
        return "";
    }

    // 准备接收MAC地址的缓冲区
    ULONG macAddr[2];
    ULONG macAddrLen = 6;
    memset(macAddr, 0xff, sizeof(macAddr));

    // 调用SendARP函数获取MAC地址
    dwORD ret = SendARP(destIp, 0, macAddr, &macAddrLen);
    if (ret == NO_ERROR) {
        // 将MAC地址转换为字符串格式
        BYTE* macBytes = (BYTE*)macAddr;
        char macStr[18];
        sprintf_s(macStr, sizeof(macStr), "编程%02X:%02X:%02X:%02X:%02X:%02X",
            macBytes[0], macBytes[1], macBytes[2],
            macBytes[3], macBytes[4], macBytes[5]);
        WSACleanup();
        return std::string(macStr);
    }
    else {
        std::cerr << "Failed to get MAC address. Error code: " << ret << std::endl;
        WSACleanup();
        return "";
  php  }
}

int main() {
    std::string ipAddress;
    std::cout << "Enter IP address: ";
    std::cin >> ipAddress;

    std::string macAddress = getMacAddress(ipAddress);
    if (!macAddress.empty()) {
        std::cout << "MAC Address: " << macAddress << std::endl;
    }
    else {
        std::cout << "Could not retrieve MAC address.www.devze.com" << std::endl;
    }

    return 0;
}

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