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Diffstat (limited to 'demo_server.py')
-rw-r--r-- | demo_server.py | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/demo_server.py b/demo_server.py new file mode 100644 index 0000000..599eb46 --- /dev/null +++ b/demo_server.py @@ -0,0 +1,138 @@ +#!/usr/bin/python + +# Copyright (C) 2003-2005 Robey Pointer <robey@lag.net> +# +# This file is part of paramiko. +# +# Paramiko is free software; you can redistribute it and/or modify it under the +# terms of the GNU Lesser General Public License as published by the Free +# Software Foundation; either version 2.1 of the License, or (at your option) +# any later version. +# +# Paramiko is distrubuted in the hope that it will be useful, but WITHOUT ANY +# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR +# A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more +# details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with Paramiko; if not, write to the Free Software Foundation, Inc., +# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + +import sys, os, socket, threading, traceback, base64 +import paramiko + +# setup logging +paramiko.util.log_to_file('demo_server.log') + +#host_key = paramiko.RSAKey(filename='tests/test_rsa.key') +host_key = paramiko.DSSKey(filename='tests/test_dss.key') + +print 'Read key: ' + paramiko.util.hexify(host_key.get_fingerprint()) + + +class Server (paramiko.ServerInterface): + # 'data' is the output of base64.encodestring(str(key)) + data = 'AAAAB3NzaC1yc2EAAAABIwAAAIEAyO4it3fHlmGZWJaGrfeHOVY7RWO3P9M7hpfAu7jJ2d7eothvfeuoRFtJwhUmZDluRdFyhFY/hFAh76PJKGAusIqIQKlkJxMCKDqIexkgHAfID/6mqvmnSJf0b5W8v5h2pI/stOSwTQ+pxVhwJ9ctYDhRSlF0iTUWT10hcuO4Ks8=' + good_pub_key = paramiko.RSAKey(data=base64.decodestring(data)) + + def __init__(self): + self.event = threading.Event() + + def check_channel_request(self, kind, chanid): + if kind == 'session': + return paramiko.OPEN_SUCCEEDED + return paramiko.OPEN_FAILED_ADMINISTRATIVELY_PROHIBITED + + def check_auth_password(self, username, password): + if (username == 'robey') and (password == 'foo'): + return paramiko.AUTH_SUCCESSFUL + return paramiko.AUTH_FAILED + + def check_auth_publickey(self, username, key): + print 'Auth attempt with key: ' + paramiko.util.hexify(key.get_fingerprint()) + if (username == 'robey') and (key == self.good_pub_key): + return paramiko.AUTH_SUCCESSFUL + return paramiko.AUTH_FAILED + + def get_allowed_auths(self, username): + return 'password,publickey' + + def check_channel_shell_request(self, channel): + self.event.set() + return True + + def check_channel_pty_request(self, channel, term, width, height, pixelwidth, + pixelheight, modes): + return True + + +# now connect +try: + sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) + sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) + sock.bind(('', 2200)) +except Exception, e: + print '*** Bind failed: ' + str(e) + traceback.print_exc() + sys.exit(1) + +try: + sock.listen(100) + print 'Listening for connection ...' + client, addr = sock.accept() +except Exception, e: + print '*** Listen/accept failed: ' + str(e) + traceback.print_exc() + sys.exit(1) + +print 'Got a connection!' + +try: + event = threading.Event() + t = paramiko.Transport(client) + try: + t.load_server_moduli() + except: + print '(Failed to load moduli -- gex will be unsupported.)' + raise + t.add_server_key(host_key) + server = Server() + t.start_server(event, server) + while 1: + event.wait(0.1) + if not t.is_active(): + print '*** SSH negotiation failed.' + sys.exit(1) + if event.isSet(): + break + # print repr(t) + + # wait for auth + chan = t.accept(20) + if chan is None: + print '*** No channel.' + sys.exit(1) + print 'Authenticated!' + server.event.wait(10) + if not server.event.isSet(): + print '*** Client never asked for a shell.' + sys.exit(1) + + chan.send('\r\n\r\nWelcome to my dorky little BBS!\r\n\r\n') + chan.send('We are on fire all the time! Hooray! Candy corn for everyone!\r\n') + chan.send('Happy birthday to Robot Dave!\r\n\r\n') + chan.send('Username: ') + f = chan.makefile('rU') + username = f.readline().strip('\r\n') + chan.send('\r\nI don\'t like you, ' + username + '.\r\n') + chan.close() + +except Exception, e: + print '*** Caught exception: ' + str(e.__class__) + ': ' + str(e) + traceback.print_exc() + try: + t.close() + except: + pass + sys.exit(1) + |