pthon2下代码如下
#!/usr/bin/env python
# -*- coding:utf-8 -*-
# used for pthon2.*
import socket, time, thread
socket.setdefaulttimeout(3) #设置默认超时时间
def socket_port(ip, port):
"""
输入IP和端口号，扫描判断端口是否占用
"""
try:
if port >=65535:
print u'端口扫描结束'
s=socket.socket(socket.AF_INET, socket.SOCK_STREAM)
result=s.connect_ex((ip, port))
if result==0:
lock.acquire()
print ip,u':',port,u'端口已占用'
lock.release()
except:
print u'端口扫描异常'
def ip_scan(ip):
"""
输入IP，扫描IP的0-65534端口情况
"""
try:
print u'开始扫描 %s' % ip
start_time=time.time()
for i in range(0,65534):
thread.start_new_thread(socket_port,(ip, int(i)))
print u'扫描端口完成，总共用时：%.2f' %(time.time()-start_time)
# raw_input("Press Enter to Exit")
except:
print u'扫描ip出错'
if __name__=='__main__':
url=raw_input('Input the ip you want to scan: ')
lock=thread.allocate_lock()
ip_scan(url)
python3的代码：
#!/usr/bin/env python
# -*- coding:utf-8 -*-
# used for python3.*
import socket,time,_thread
socket.setdefaulttimeout(3) #设置默认超时时间
def socket_port(ip, port):
"""
输入IP和端口号，扫描判断端口是否占用
"""
try:
if port >=65535:
print (u'端口扫描结束')
s=socket.socket(socket.AF_INET, socket.SOCK_STREAM)
result=s.connect_ex((ip, port))
if result==0:
lock.acquire()
print (ip,u':',port,u'端口已占用')
lock.release()
except:
print (u'端口扫描异常')
def ip_scan(ip):
"""
输入IP，扫描IP的0-65534端口情况
"""
try:
print (u'开始扫描 %s' % ip)
start_time=time.time()
for i in range(0,65534):
_thread.start_new_thread(socket_port,(ip, int(i)))
print (u'扫描端口完成，总共用时：%.2f' %(time.time()-start_time))
# raw_input("Press Enter to Exit")
except:
print (u'扫描ip出错')
if __name__=='__main__':
url=input('Input the ip you want to scan: ')
lock=_thread.allocate_lock()
ip_scan(url)
