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获取本机IP、MAC及获取网关MAC -- VC

 

由于工作关系,最近转投VC的开发了。。。当然,还是要从最近本做起的。最近跟网络这块接触较多,写了两段小函数。

获取本机MAC,网上的代码都写烂了,但是异常处理不太好,比如多网卡等情况,于是自己写了一段简单明了靠谱的代码。

具体流程为先获取自己程序所在的网络的网络名,然后根据网络名获取IP,最后sendarp得到MAC。思路清晰。。。。

代码如下:

 

CString GetLocalIP()

{

CString strResult;

WSADATA wsaData;

char name[255];

PHOSTENT hostinfo;  

char *ip = NULL;

if ( WSAStartup( MAKEWORD(2,0), &wsaData ) == 0 )

{   

if( gethostname ( name, sizeof(name)) == 0)

{  

if((hostinfo = gethostbyname(name)) != NULL)

//获得IP

ip = inet_ntoa(*(struct in_addr *)*hostinfo->h_addr_list);

strResult = ip;

}  

}  

WSACleanup();

}

return strResult;

}

CString GetMac(CString sIP)

{

CString strResult;

unsigned char mac[6]={0};

ULONG   ulen=6; 

IPAddr destIP=inet_addr(sIP); 

if(NO_ERROR==SendARP(destIP,NULL,(PULONG)mac,&ulen))

{

strResult.Format("%02x%02x%02x%02x%02x%02x",mac[0],mac[1],mac[2],mac[3],mac[4],mac[5]);

strResult.MakeUpper();  //转换成大写

else

{

strResult = "0000000000";

}

return strResult;

}

 

使用方法是:

 

        CString sIP;

CString sMac;

sIP= GetLocalIP();  //先获取本机IP

if (sIP.IsEmpty())

{

return;  //没有找到IP直接返回

}

sMac = GetMac(sIP);

 

同样的,获取网关MAC代码类似:

 

BOOL GetLocalRouteMacAddress()

{

WSADATA wsaData;

char name[255];

PHOSTENT hostinfo;  

char *Myip = NULL;

if (WSAStartup( MAKEWORD(2,0), &wsaData ) == 0 )  //初始化

{   

//得到当前使用网络中 注册的hostname

if(gethostname ( name, sizeof(name)) == 0)  

{  

//从hostname得到网络地址 就是正在使用的网络的IP 如果未联网 则此方法无效

if((hostinfo = gethostbyname(name)) != NULL)  

//获得IP

Myip = inet_ntoa(*(struct in_addr *)*hostinfo->h_addr_list);

}  

}  

WSACleanup();

}


DWORD dwRetVal = 0;

PIP_ADAPTER_INFO pAdapter = NULL;

PIP_ADAPTER_INFO pAdapterInfo = NULL;

pAdapterInfo = (IP_ADAPTER_INFO *)malloc(sizeof(IP_ADAPTER_INFO));

ULONG ulOutBufLen = sizeof(IP_ADAPTER_INFO);

if(GetAdaptersInfo(pAdapterInfo,&ulOutBufLen) == ERROR_BUFFER_OVERFLOW)

{

free(pAdapterInfo);

pAdapterInfo = (IP_ADAPTER_INFO*)malloc(ulOutBufLen);

}

char szGetWayIp[64] = {0};

unsigned char dwRouteMAC[6] = {6};

if((dwRetVal=GetAdaptersInfo(pAdapterInfo,&ulOutBufLen))==NO_ERROR)

{

pAdapter = pAdapterInfo;

do{

if(pAdapter)

{

printf("%s\r\nTYPE:%d\r\nIP:%s\r\nGATEWAY:%s\r\n",pAdapter->Description,pAdapter->Type,pAdapter->IpAddressList.IpAddress.String,pAdapter->GatewayList.IpAddress.String);

if (strcmp(pAdapter->IpAddressList.IpAddress.String,Myip) == 0)

{

printf("Now In Use!!!!!!!!!!\r\n");

strcpy(szGetWayIp,pAdapter->GatewayList.IpAddress.String);

ULONG uLen=6;

unsigned long dwGetWayIp=inet_addr(szGetWayIp);

if(SendARP(dwGetWayIp,NULL,(PULONG)dwRouteMAC,&uLen)==NO_ERROR)

{

//当前网卡MAC

memcpy(shost,pAdapter->Address,6);

//当前网卡网关MAC

memcpy(dhost,dwRouteMAC,6);

printf("My MAC:%02x:%02x:%02x:%02x:%02x:%02x\r\n",shost[0],shost[1],shost[2],shost[3],shost[4],shost[5]);

printf("GateWay MAC:%02x:%02x:%02x:%02x:%02x:%02x\r\n",dhost[0],dhost[1],dhost[2],dhost[3],dhost[4],dhost[5]);

printf("GateWayIP:%s\r\n",szGetWayIp);

}

}

printf("\r\n\r\n");

pAdapter = pAdapter->Next;

}

}while(pAdapter);

}

free(pAdapterInfo);

return FALSE;

}

 

大家工作顺利!~~

 

 

 

2012/1/17 | Tags:本机MAC,本机IP,网关MAC | 其他代码 | 查看评论(0)

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