复制代码 代码如下:
#!/usr/bin/python
# -*- coding: utf-8 -*-
from scapy.all import *
from time import ctime,sleep
import threading
TIMEOUT = 4
conf.verb=0
def pro(cc,handle):
dst = "192.168.1." + str(cc)
packet = IP(dst=dst, ttl=20)/ICMP()
reply = sr1(packet, timeout=TIMEOUT)
if not (reply is None):
handle.write(reply.src+" is online"+"\n")
#print reply.src, "is online"
def main():
threads=[]
f=open('ip.log','a')
for i in range(2,254):
t=threading.Thread(target=pro,args=(i,f))
threads.append(t)
print "main Thread begins at ",ctime()
for t in threads :
t.start()
for t in threads :
t.join()
print "main Thread ends at ",ctime()
if __name__=="__main__" :
main();
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局域网ip扫描
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