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[转载]获取远程机器名与Mac地址的代码

[转载]获取远程机器名与Mac地址的代码

  信息来源:www.bbnl.org
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代码:
#include "stdio.h"
#include "stdlib.h"
#include "Winsock2.h"
#include "iphlpapi.h"
  
#pragma comment ( lib, "ws2_32.lib" )
#pragma comment ( lib, "Iphlpapi.lib" )
  
void main( int argc, char ** argv )
{
//处理命令行参数
if ( argc != 2 )
{
 printf( "RmtHost v0.1 - Get remote HostName /MacAddress\n" );
 printf( "by ShotgunLabs ( [email]Shotgun@xici.net[/email] )\n\n" );
 printf( "Usage :\n\tRmtHost.exe [RemoteIP]\n\n");
 printf( "Example:\n\tRmtHost.exe 192.168.0.3\n\n");
 exit( 0 );
}
  
printf( "\nIpAddress : %s\n", argv[1] );
//初始化SOCKET
WSADATA wsaData;
int iRet = WSAStartup(MAKEWORD(2,1), &wsaData);
if ( iRet != 0 )
{
 printf( "WSAStartup Error:%d\n", GetLastError() );
 exit( 0 );
}
//获取远程机器名
hostent * remoteHostent = (hostent*)malloc( sizeof( hostent ));
int nRemoteAddr = inet_addr( argv[1] );
remoteHostent = gethostbyaddr( (char*)&nRemoteAddr,sizeof( in_addr ), AF_INET );
if ( remoteHostent )
 printf( "HostName : %s\n",remoteHostent->h_name );
else  
 printf( "gethostbyaddr Error:%d\n", GetLastError());
  
//发送ARP查询包获得远程MAC地址
unsigned char macAddress[6];  
ULONG macAddLen = 6;  
iRet = SendARP( nRemoteAddr, NULL, (PULONG)&macAddress,&macAddLen );
if ( iRet == NO_ERROR )
{
 printf( "MacAddress: " );
 for( int i =0; i<6; i++ )  
 {
  printf( "%.2x", macAddress );
  if ( i<5 ) printf( "-" );
 }
}
else  
 printf( "SendARP Error:%d\n", GetLastError() );
printf( "\n" );
}
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