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authoryvesf <yvesf-git@xapek.org>2011-03-11 20:34:53 +0100
committeryvesf <yvesf-git@xapek.org>2011-03-11 20:34:53 +0100
commitaffa0b49e97a7f8fb25d29c3dc90e5f0459b127d (patch)
tree70a6dd890de26cc994e3810c2d07c816e2f8f3e5 /sshsimpleserver.py
parent550286de8802515b97358c9632f585677862a01b (diff)
downloadoffssh-affa0b49e97a7f8fb25d29c3dc90e5f0459b127d.tar.gz
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diff --git a/sshsimpleserver.py b/sshsimpleserver.py
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-#!/usr/bin/env python
-
-# Copyright (c) 2009 Twisted Matrix Laboratories.
-# See LICENSE for details.
-
-from twisted.cred import portal, checkers
-from twisted.conch import error, avatar
-from twisted.conch.checkers import SSHPublicKeyDatabase
-from twisted.conch.ssh import factory, userauth, connection, keys, session
-from twisted.internet import reactor, protocol, defer
-from twisted.python import log
-from zope.interface import implements
-import sys
-import random
-log.startLogging(sys.stderr)
-
-header = """Linux kischt 2.6.48-5-amd23 #1 SMP Wed Jan 12 04:22:50 UTC 2011 i687
-
-The programs included with the Debian GNU/Linux system are free software;
-the exact distribution terms for each program are described in the
-individual files in /usr/share/doc/*/copyright.
-
-Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
-permitted by applicable law.
-Follow the white rabbit.
-Last login: Fri Mar 11 15:33:45 2011 from 127.0.0.1
-bash-# """
-
-fortunes = open("fortunes").read().split("\n%")
-
-class ExampleAvatar(avatar.ConchUser):
- def __init__(self, username):
- avatar.ConchUser.__init__(self)
- self.username = username
- self.channelLookup.update({'session':session.SSHSession})
-
-class ExampleRealm:
- implements(portal.IRealm)
-
- def requestAvatar(self, avatarId, mind, *interfaces):
- return interfaces[0], ExampleAvatar(avatarId), lambda: None
-
-class EchoProtocol(protocol.Protocol):
- def makeConnection(self, transport):
- protocol.Protocol.makeConnection(self, transport)
- self.transport.write( "\r\n".join(header.split("\n")))
- self.state = "count"
- self.ctr = 0
-
- def dataReceived(self, data):
- if data == '\x03': #^C
- self.transport.loseConnection()
- return
- elif self.state == "count": #echo mode
- self.ctr += 1
- if self.ctr > 10:
- self.state = "bomb"
- print "received: ",data
- if data == '\r':
- data = '\n\r'
- self.transport.write(data)
- elif self.state == "bomb":
- self.transport.write( "\r\n".join( random.choice(fortunes).split("\n") ) )
- self.transport.write("\n\r")
-
-publicKey = 'ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAGEArzJx8OYOnJmzf4tfBEvLi8DVPrJ3/c9k2I/Az64fxjHf9imyRJbixtQhlH9lfNjUIx+4LmrJH5QNRsFporcHDKOTwTTYLh5KmRpslkYHRivcJSkbh/C+BR3utDS555mV'
-
-privateKey = """-----BEGIN RSA PRIVATE KEY-----
-MIIByAIBAAJhAK8ycfDmDpyZs3+LXwRLy4vA1T6yd/3PZNiPwM+uH8Yx3/YpskSW
-4sbUIZR/ZXzY1CMfuC5qyR+UDUbBaaK3Bwyjk8E02C4eSpkabJZGB0Yr3CUpG4fw
-vgUd7rQ0ueeZlQIBIwJgbh+1VZfr7WftK5lu7MHtqE1S1vPWZQYE3+VUn8yJADyb
-Z4fsZaCrzW9lkIqXkE3GIY+ojdhZhkO1gbG0118sIgphwSWKRxK0mvh6ERxKqIt1
-xJEJO74EykXZV4oNJ8sjAjEA3J9r2ZghVhGN6V8DnQrTk24Td0E8hU8AcP0FVP+8
-PQm/g/aXf2QQkQT+omdHVEJrAjEAy0pL0EBH6EVS98evDCBtQw22OZT52qXlAwZ2
-gyTriKFVoqjeEjt3SZKKqXHSApP/AjBLpF99zcJJZRq2abgYlf9lv1chkrWqDHUu
-DZttmYJeEfiFBBavVYIF1dOlZT0G8jMCMBc7sOSZodFnAiryP+Qg9otSBjJ3bQML
-pSTqy7c3a2AScC/YyOwkDaICHnnD3XyjMwIxALRzl0tQEKMXs6hH8ToUdlLROCrP
-EhQ0wahUTCk1gKA4uPD6TMTChavbh4K63OvbKg==
------END RSA PRIVATE KEY-----"""
-
-
-class InMemoryPublicKeyChecker(SSHPublicKeyDatabase):
-
- def checkKey(self, credentials):
- return credentials.username == 'user' and \
- keys.Key.fromString(data=publicKey).blob() == credentials.blob
-
-class ExampleSession:
- def __init__(self, avatar):
- """
- We don't use it, but the adapter is passed the avatar as its first
- argument.
- """
-
- def getPty(self, term, windowSize, attrs):
- pass
-
- def execCommand(self, proto, cmd):
- raise Exception("no executing commands")
-
- def windowChanged(self, *a):
- pass
-
- def openShell(self, trans):
- ep = EchoProtocol()
- ep.makeConnection(trans)
- trans.makeConnection(session.wrapProtocol(ep))
-
- def eofReceived(self):
- pass
-
- def closed(self):
- pass
-
-from twisted.python import components
-components.registerAdapter(ExampleSession, ExampleAvatar, session.ISession)
-
-class ExampleFactory(factory.SSHFactory):
- publicKeys = {
- 'ssh-rsa': keys.Key.fromString(data=publicKey)
- }
- privateKeys = {
- 'ssh-rsa': keys.Key.fromString(data=privateKey)
- }
- services = {
- 'ssh-userauth': userauth.SSHUserAuthServer,
- 'ssh-connection': connection.SSHConnection
- }
-
-
-portal = portal.Portal(ExampleRealm())
-passwdDB = checkers.InMemoryUsernamePasswordDatabaseDontUse()
-passwdDB.addUser('user', 'password')
-portal.registerChecker(passwdDB)
-portal.registerChecker(InMemoryPublicKeyChecker())
-ExampleFactory.portal = portal
-
-if __name__ == '__main__':
- reactor.listenTCP(2222, ExampleFactory())
- reactor.run()