详解python连接telnet和ssh的两种方式详解python连接telnet和ssh的两种

Telnet 连接方式
ssh连接方式

Telnet 连接方式

#!/usr/bin/env python# coding=utf-8 import timeimport telnetlibimport logging __author__ = 'Evan' save_log_path = 'result.txt'file_mode = 'a+'format_info = '%(asctime)s - %(filename)s[line:%(lineno)d] - %(levelname)s: %(message)s' logger = logging.getLogger(__name__)logger.setLevel(logging.DEBUG) # 添加记录记录器功能fh = logging.FileHandler(save_log_path, mode=file_mode)fh.setLevel(logging.DEBUG)fh.setFormatter(logging.Formatter(format_info))logger.addHandler(fh)# 增加显示记录器功能ch = logging.StreamHandler()ch.setLevel(logging.DEBUG)ch.setFormatter(logging.Formatter(format_info))logger.addHandler(ch) def telnet_handle(host='', port=''):handle = telnetlib.Telnet(host, port, timeout=10)handle.set_debuglevel(2)# Display connect info (send command & received info)logger.debug('Connect host: {} port: {} successful'.format(host, port)) try:#获取登录提示‘login：' 后输入密码。handle.read_until('login:', timeout=5) #发送命令登录，用户名：admin 密码：adminhandle.write('admin\n')#用户名#如果有输入密码的提示符可以打开这一条，并修正确的密码提示符#handle.read_until('输入密码提示符', timeout=5)time.sleep(1)handle.write('admin\n')#密码time.sleep(1)handle.write('en\n')#执行指令time.sleep(1)handle.write('sys\n')#执行指令time.sleep(1)handle.write('display running-config\n')#执行指令time.sleep(1)handle.write('show stack\n')#执行指令time.sleep(1) #读取所有信息result = handle.read_very_eager()logger.info('Received info: {}'.format(result))finally:handle.close() if __name__ == '__main__':telnet_handle(host='192.168.10.1', port='23')

ssh连接方式

#!/usr/bin/env python# coding=utf-8 import paramiko,sys,time client = paramiko.SSHClient()client.set_missing_host_key_policy(paramiko.AutoAddPolicy())#连接SSH服务器client.connect("192.168.10.1",22,"admin","admin")#执行命令的方式一连接linux发送固定指令stdin,stdout,stderr = client.exec_command("whoami")time.sleep(2)print(stdout.read())stdin,stdout,stderr = client.exec_command("cat /root/lzhi/c_call_python.txt")print(stdout.read())stdin,stdout,stderr = client.exec_command("ls")print(stdout.read())stdin,stdout,stderr = client.exec_command("ls -la")print(stdout.read()) #执行命令的方式二获取命令行参数，并且删除参数1.保留需要执行的命令buf = sys.argvdel buf[0]str1 = ' '.join(buf)print(str1)#执行命令行参数给出的命令stdin,stdout,stderr = client.exec_command(str1)#time.sleep(1)print(stdout.read())

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