python测试某个网段IP存活、单端口是否开启、是否能ssh
这个脚本是为了在一个网段监测主机是否存活，22端口是否开启，并通过统一的用户名和密码是否能成功ssh登录，并将可以登录的主机IP记录到文件中。不足之处就是这么判断不知是否可以准确测试ssh登录，还有就是一个个ping地址实在是速度太慢了，不过还好有时间写个多线程应该就快多了。
代码如下：
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#!/usr/bin/python
# -*- coding:utf-8 -*-
import os
import subprocess
import re
import socket
import paramiko
user = 'root'
passwd = '123456'
def ip(file,field):
ip_field = field
ip_file = open(file,'w')
for i in range(1,256):
ip = '%s%s\n' % (ip_field,i)
ip_file.write(ip)
ip_file.close()
def test_ip(file):
file = open(file,'r')
ip_list = []
port = 22
f = open('login_ip.txt','w')
for line in file.readlines():
line=line.strip('\n')
ip_list.append(line)
for ip in ip_list:
p = subprocess.Popen(["ping -c 1 "+ ip],
stdin = subprocess.PIPE,
stdout = subprocess.PIPE,
stderr = subprocess.PIPE,
shell = True)
out = p.stdout.read()
regex = re.compile("time=\d*", re.IGNORECASE | re.MULTILINE)
if len(regex.findall(out)) > 0:
print ip + ': Host Up!'
s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
try:
s.connect((ip,int(port)))
s.shutdown(2)
print '%d is open' % port
try:
ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect(ip,22,user, passwd)
#stdin, stdout, stderr = ssh.exec_command("你的命令")
#print stdout.readlines()
ssh.close()
print 'Login successful'
# f = open('login_ip.txt','w')
ip = '%s\n' % ip
f.write(ip)
# return True
except:
print 'The login problem, please check your username and password'
except:
print '%d is down' % port
# return False
else:
print ip + ': Host Down!'
file.close()
f.close()
ip('test','192.168.209.')
test_ip('test')
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