获取网卡

#include <WinSock2.h>
#include <Iphlpapi.h>
#include <iostream>
using namespace std;
#pragma comment(lib,"Iphlpapi.lib") //需要添加Iphlpapi.lib库

int main(int argc, char* argv[])
{
//PIP_ADAPTER_INFO结构体指针存储本机网卡信息
PIP_ADAPTER_INFO pIpAdapterInfo = new IP_ADAPTER_INFO();
//得到结构体大小,用于GetAdaptersInfo参数
unsigned long stSize = sizeof(IP_ADAPTER_INFO);
//调用GetAdaptersInfo函数,填充pIpAdapterInfo指针变量;其中stSize参数既是一个输入量也是一个输出量
int nRel = GetAdaptersInfo(pIpAdapterInfo, &stSize);
//记录网卡数量
int netCardNum = 0;
//记录每张网卡上的IP地址数量
int IPnumPerNetCard = 0;
if (ERROR_BUFFER_OVERFLOW == nRel)
{
  //如果函数返回的是ERROR_BUFFER_OVERFLOW
  //则说明GetAdaptersInfo参数传递的内存空间不够,同时其传出stSize,表示需要的空间大小
  //这也是说明为什么stSize既是一个输入量也是一个输出量
  //释放原来的内存空间
  delete pIpAdapterInfo;
  //重新申请内存空间用来存储所有网卡信息
  pIpAdapterInfo = (PIP_ADAPTER_INFO)new BYTE[stSize];
  //再次调用GetAdaptersInfo函数,填充pIpAdapterInfo指针变量
  nRel = GetAdaptersInfo(pIpAdapterInfo, &stSize);
}
if (ERROR_SUCCESS == nRel)
{
  //输出网卡信息
  //可能有多网卡,因此通过循环去判断
  while (pIpAdapterInfo)
  {
   cout << "网卡数量：" << ++netCardNum << endl;
   cout << "网卡名称：" << pIpAdapterInfo->AdapterName << endl;
   cout << "网卡描述：" << pIpAdapterInfo->Description << endl;
   switch (pIpAdapterInfo->Type)
   {
   case MIB_IF_TYPE_OTHER:
    cout << "网卡类型：" << "OTHER" << endl;
    break;
   case MIB_IF_TYPE_ETHERNET:
    cout << "网卡类型：" << "ETHERNET" << endl;
    break;
   case MIB_IF_TYPE_TOKENRING:
    cout << "网卡类型：" << "TOKENRING" << endl;
    break;
   case MIB_IF_TYPE_FDDI:
    cout << "网卡类型：" << "FDDI" << endl;
    break;
   case MIB_IF_TYPE_PPP:
    printf("PP\n");
    cout << "网卡类型：" << "PPP" << endl;
    break;
   case MIB_IF_TYPE_LOOPBACK:
    cout << "网卡类型：" << "LOOPBACK" << endl;
    break;
   case MIB_IF_TYPE_SLIP:
    cout << "网卡类型：" << "SLIP" << endl;
    break;
   default:

    break;
   }
   cout << "网卡MAC地址：";
   for (DWORD i = 0; i < pIpAdapterInfo->AddressLength; i++)
    if (i < pIpAdapterInfo->AddressLength - 1)
    {
     printf("%02X-", pIpAdapterInfo->Address[i]);
    }
    else
    {
     printf("%02X\n", pIpAdapterInfo->Address[i]);
    }
   cout << "网卡IP地址如下：" << endl;
   //可能网卡有多IP,因此通过循环去判断
   IP_ADDR_STRING *pIpAddrString = &(pIpAdapterInfo->IpAddressList);
   IPnumPerNetCard =0;
   do
   {
    cout << "该网卡上的IP数量：" << ++IPnumPerNetCard << endl;
    cout << "IP 地址：" << pIpAddrString->IpAddress.String << endl;
    cout << "子网地址：" << pIpAddrString->IpMask.String << endl;
    cout << "网关地址：" << pIpAdapterInfo->GatewayList.IpAddress.String << endl;
    pIpAddrString = pIpAddrString->Next;
   } while (pIpAddrString);
   pIpAdapterInfo = pIpAdapterInfo->Next;
   cout << "--------------------------------------------------------------------" << endl;
  }

}
//释放内存空间
if (pIpAdapterInfo)
{
delete pIpAdapterInfo;
}

return 0;
}

//-----------------------------------------------------------------扫描网段

#include <winsock2.h>
#include <ws2tcpip.h>
#include <stdio.h>
#include <string>
#include<iostream>
using namespace std;

// link with ws2_32.lib
#pragma comment(lib, "Ws2_32.lib")
void IPAddressParse(string &IpAddress, const unsigned int numericIp)
{
string temp;
temp += to_string(numericIp >> 24);
temp += '.';
temp += to_string((numericIp & 0x00ff0000) >> 16);
temp += '.';
temp += to_string((numericIp & 0x0000ff00) >> 8);
temp += '.';
temp += to_string(numericIp & 0x000000ff);
IpAddress = temp;
}
int main()
{

//-----------------------------------------
// Declare and initialize variables
WSADATA wsaData = { 0 };
int iResult = 0;

DWORD dwRetval;

struct sockaddr_in saGNI;
char hostname[NI_MAXHOST];
char servInfo[NI_MAXSERV];
u_short port = 5000;

// Validate the parameters
/* if (argc != 1) {
  printf("usage: %s IPv4 address\n", argv[0]);
  printf(" to return hostname\n");
  printf("       %s 127.0.0.1\n", argv[0]);
  return 1;
}*/
// Initialize Winsock
iResult = WSAStartup(MAKEWORD(2, 2), &wsaData);
if (iResult != 0) {
  printf("WSAStartup failed: %d\n", iResult);
  return 1;
}
//-----------------------------------------
// Set up sockaddr_in structure which is passed
// to the getnameinfo function
saGNI.sin_family = AF_INET;
saGNI.sin_port = htons(port);
unsigned int startIp = 0xc0a80002;
unsigned int endIp = 0xc0a800fe;
unsigned int i;
string ip_in;
for (i = startIp; i <= endIp; i++)
{
  IPAddressParse(ip_in, i);
  saGNI.sin_addr.s_addr = inet_addr(ip_in.c_str());
  //-----------------------------------------
  // Call getnameinfo
  dwRetval = getnameinfo((struct sockaddr *) &saGNI,
   sizeof(struct sockaddr),
   hostname,
   NI_MAXHOST, servInfo, NI_MAXSERV, NI_NUMERICSERV);

  if (dwRetval != 0) {
   printf("getnameinfo failed with error # %ld\n", WSAGetLastError());
  }
  else {
   printf("getnameinfo returned hostname = %s\n", hostname);
  }
}
WSACleanup();
}

//获取arp缓存-----------------------

#include <stdlib.h>

int main()

{
system("arp -a >ipArp.txt");

return 0;

}

int main()
{
FILE *fp;
char buf[3072] = {0};
if ((fp = _popen("arp -a", "r")) == NULL)
{
  perror("Fail to popen\n");
  exit(1);
}
while (fgets(buf,3072,fp)!=NULL)
{
  printf("%s",buf);
}
_pclose(fp);
return 0;

}

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