Python远程连接模块-Telnet

　　　　　　　Python远程连接模块-Telnet(该协议明文传输数据不安全，推荐使用ssh协议)

　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　作者：尹正杰

　　虽然现在主流的python版本还是2.7，相信2020年python程序员都会偏向Python3.x版本的，今天研究了以下网上的telnet程序包，发现挺有意思的，把短连接的代码贴在这，有兴趣的小伙伴可以自行更改，哈哈哈~

 1 #！/usr/bin/env python
 2 #_*_coding:utf-8_*_
 3 #@author :yinzhengjie
 4 #blog:http://www.cnblogs.com/yinzhengjie/tag/python%E8%87%AA%E5%8A%A8%E5%8C%96%E8%BF%90%E7%BB%B4%E4%B9%8B%E8%B7%AF/
 5 #EMAIL:y1053419035@qq.com
 6 import telnetlib
 7 
 8 def DoTelnet(Host, username, password, finish, commands):
 9     \'\'\'\'\'Telnet远程登录：Windows客户端连接Linux服务器\'\'\'
10     # 连接Telnet服务器
11     tn = telnetlib.Telnet(Host, port=23, timeout=10)
12     tn.set_debuglevel(2)
13 
14     # 输入登录用户名
15     tn.read_until(\'login: \'.encode(encoding="utf-8"))
16     tn.write(username.encode(encoding="utf-8") + "\n".encode(encoding="utf-8"))
17 
18     # 输入登录密码
19     tn.read_until(\'Password: \'.encode(encoding="utf-8"))
20     tn.write(password.encode(encoding="utf-8") + \'\n\'.encode(encoding="utf-8"))
21 
22     # 登录完毕后执行命令
23     tn.read_until(finish.encode(encoding="utf-8"))
24     for command in commands:
25         tn.write((\'%s\n\' % command).encode("utf-8"))
26     tn.read_until(finish.encode("utf-8"))
27     # 执行完毕后，终止Telnet连接（或输入exit退出）
28     tn.close()  # tn.write(\'exit\n\')
29 
30 
31 if __name__ == \'__main__\':
32     # 配置选项
33     Host = \'172.16.96.211\'          # Telnet服务器IP
34     username = \'yinzhengjie\'        # 登录用户名
35     password = \'jiubugaosuni\'       # 登录密码
36     finish = \'~]$ \'                 # 命令提示符
37     commands = [\'df -h\']            #输入你需要执行的代码
38     DoTelnet(Host, username, password, finish, commands)
39 
40 
41 
42 
43 #以上代码执行结果如下：
44 Telnet(172.16.96.211,23): recv b"\xff\xfd\x18\xff\xfd \xff\xfd#\xff\xfd\'"
45 Telnet(172.16.96.211,23): IAC DO 24
46 Telnet(172.16.96.211,23): IAC DO 32
47 Telnet(172.16.96.211,23): IAC DO 35
48 Telnet(172.16.96.211,23): IAC DO 39
49 Telnet(172.16.96.211,23): recv b\'\xff\xfb\x03\xff\xfd\x01\xff\xfd\x1f\xff\xfb\x05\xff\xfd!\'
50 Telnet(172.16.96.211,23): IAC WILL 3
51 Telnet(172.16.96.211,23): IAC DO 1
52 Telnet(172.16.96.211,23): IAC DO 31
53 Telnet(172.16.96.211,23): IAC WILL 5
54 Telnet(172.16.96.211,23): IAC DO 33
55 Telnet(172.16.96.211,23): recv b\'\xff\xfb\x03\'
56 Telnet(172.16.96.211,23): IAC WILL 3
57 Telnet(172.16.96.211,23): recv b\'\xff\xfb\x01CentOS release 6.6 (Final)\r\nKernel 2.6.32-504.e\'
58 Telnet(172.16.96.211,23): IAC WILL 1
59 Telnet(172.16.96.211,23): recv b\'l6.x86_64 on an x86_64\r\n\'
60 Telnet(172.16.96.211,23): recv b\'\xf2\'
61 Telnet(172.16.96.211,23): recv b\'login: \'
62 Telnet(172.16.96.211,23): send b\'yinzhengjie\n\'
63 Telnet(172.16.96.211,23): recv b\'Password: \'
64 Telnet(172.16.96.211,23): send b\'jiubugaosuni\n\'
65 Telnet(172.16.96.211,23): recv b\'\r\n\'
66 Telnet(172.16.96.211,23): recv b\'Last login: Fri Mar  2 15:21:07 from bogon\r\n\'
67 Telnet(172.16.96.211,23): recv b\'[yinzhengjie@yinzhengjie ~]$ \'
68 Telnet(172.16.96.211,23): send b\'df -h\n\'
69 Telnet(172.16.96.211,23): recv b\'Filesystem            Size  Used Avail Use% Mounte\'
70 Telnet(172.16.96.211,23): recv b\'d on\r\n/dev/mapper/vg_yinzhengjie-lv_root\r\n        \'
71 Telnet(172.16.96.211,23): recv b\'               50G  6.2G   41G  14% /\r\ntmpfs      \'
72 Telnet(172.16.96.211,23): recv b\'           494M   68K  494M   1% /dev/shm\r\n/dev/vd\'
73 Telnet(172.16.96.211,23): recv b\'a1             477M   29M  424M   7% /boot\r\n/dev/m\'
74 Telnet(172.16.96.211,23): recv b\'apper/vg_yinzhengjie-lv_home\r\n                    \'
75 Telnet(172.16.96.211,23): recv b\'   47G   86M   45G   1% /home\r\n[yinzhengjie@yinzhe\'
76 Telnet(172.16.96.211,23): recv b\'ngjie ~]$ \'