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import pexpect
import getpass
import time
tunnel_command = 'ssh -C -n -L 25:%(host)s:25 -L 110:%(host)s:110 %(user)s@%(host)s -f nothing.sh'
nothing_script = """#!/bin/sh
while true; do sleep 53; done
"""
host = 'example.com'
user = raw_input('Username: ')
X = getpass.getpass('Password: ')
def start_tunnel ():
ssh_tunnel = pexpect.spawn (tunnel_command % globals())
ssh_tunnel.expect ('password:')
time.sleep (0.1)
ssh_tunnel.sendline (X)
ssh_tunnel.expect (pexpect.EOF)
while 1:
ps = pexpect.spawn ('ps')
time.sleep (1)
index = ps.expect (['/usr/bin/ssh', pexpect.EOF, pexpect.TIMEOUT])
if index == 2:
print 'TIMEOUT in ps command...'
print ps.before
print ps.after
print '^^^^^'
if index == 1:
print 'restarting tunnel'
start_tunnel ()
time.sleep (1)
else:
print 'tunnel OK'
time.sleep (1)
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