147 lines
4.3 KiB
Python
147 lines
4.3 KiB
Python
#!/usr/bin/env python
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# Copyright (C) 2003-2005 Robey Pointer <robey@lag.net>
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#
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# This file is part of paramiko.
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#
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# Paramiko is free software; you can redistribute it and/or modify it under the
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# terms of the GNU Lesser General Public License as published by the Free
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# Software Foundation; either version 2.1 of the License, or (at your option)
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# any later version.
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#
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# Paramiko is distrubuted in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with Paramiko; if not, write to the Free Software Foundation, Inc.,
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# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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import base64
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from binascii import hexlify
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import os
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import socket
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import sys
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import threading
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import traceback
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import paramiko
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# setup logging
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paramiko.util.log_to_file('demo_server.log')
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host_key = paramiko.RSAKey(filename='test_rsa.key')
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#host_key = paramiko.DSSKey(filename='test_dss.key')
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print 'Read key: ' + hexlify(host_key.get_fingerprint())
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class Server (paramiko.ServerInterface):
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# 'data' is the output of base64.encodestring(str(key))
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# (using the "user_rsa_key" files)
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data = 'AAAAB3NzaC1yc2EAAAABIwAAAIEAyO4it3fHlmGZWJaGrfeHOVY7RWO3P9M7hp' + \
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'fAu7jJ2d7eothvfeuoRFtJwhUmZDluRdFyhFY/hFAh76PJKGAusIqIQKlkJxMC' + \
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'KDqIexkgHAfID/6mqvmnSJf0b5W8v5h2pI/stOSwTQ+pxVhwJ9ctYDhRSlF0iT' + \
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'UWT10hcuO4Ks8='
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good_pub_key = paramiko.RSAKey(data=base64.decodestring(data))
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def __init__(self):
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self.event = threading.Event()
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def check_channel_request(self, kind, chanid):
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if kind == 'session':
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return paramiko.OPEN_SUCCEEDED
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return paramiko.OPEN_FAILED_ADMINISTRATIVELY_PROHIBITED
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def check_auth_password(self, username, password):
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if (username == 'robey') and (password == 'foo'):
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return paramiko.AUTH_SUCCESSFUL
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return paramiko.AUTH_FAILED
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def check_auth_publickey(self, username, key):
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print 'Auth attempt with key: ' + hexlify(key.get_fingerprint())
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if (username == 'robey') and (key == self.good_pub_key):
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return paramiko.AUTH_SUCCESSFUL
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return paramiko.AUTH_FAILED
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def get_allowed_auths(self, username):
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return 'password,publickey'
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def check_channel_shell_request(self, channel):
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self.event.set()
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return True
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def check_channel_pty_request(self, channel, term, width, height, pixelwidth,
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pixelheight, modes):
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return True
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# now connect
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try:
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sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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sock.bind(('', 2200))
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except Exception, e:
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print '*** Bind failed: ' + str(e)
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traceback.print_exc()
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sys.exit(1)
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try:
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sock.listen(100)
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print 'Listening for connection ...'
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client, addr = sock.accept()
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except Exception, e:
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print '*** Listen/accept failed: ' + str(e)
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traceback.print_exc()
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sys.exit(1)
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print 'Got a connection!'
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try:
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t = paramiko.Transport(client)
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try:
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t.load_server_moduli()
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except:
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print '(Failed to load moduli -- gex will be unsupported.)'
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raise
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t.add_server_key(host_key)
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server = Server()
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try:
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t.start_server(server=server)
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except paramiko.SSHException, x:
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print '*** SSH negotiation failed.'
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sys.exit(1)
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# wait for auth
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chan = t.accept(20)
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if chan is None:
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print '*** No channel.'
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sys.exit(1)
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print 'Authenticated!'
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server.event.wait(10)
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if not server.event.isSet():
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print '*** Client never asked for a shell.'
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sys.exit(1)
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chan.send('\r\n\r\nWelcome to my dorky little BBS!\r\n\r\n')
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chan.send('We are on fire all the time! Hooray! Candy corn for everyone!\r\n')
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chan.send('Happy birthday to Robot Dave!\r\n\r\n')
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chan.send('Username: ')
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f = chan.makefile('rU')
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username = f.readline().strip('\r\n')
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chan.send('\r\nI don\'t like you, ' + username + '.\r\n')
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chan.close()
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except Exception, e:
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print '*** Caught exception: ' + str(e.__class__) + ': ' + str(e)
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traceback.print_exc()
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try:
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t.close()
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except:
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pass
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sys.exit(1)
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