71 lines
2.7 KiB
Python
71 lines
2.7 KiB
Python
# Copyright 2016 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from twisted.conch.manhole import ColoredManhole
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from twisted.conch.insults import insults
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from twisted.conch import manhole_ssh
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from twisted.cred import checkers, portal
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from twisted.conch.ssh.keys import Key
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PUBLIC_KEY = (
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"ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAGEArzJx8OYOnJmzf4tfBEvLi8DVPrJ3/c9k2I/Az"
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"64fxjHf9imyRJbixtQhlH9lfNjUIx+4LmrJH5QNRsFporcHDKOTwTTYLh5KmRpslkYHRivcJS"
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"kbh/C+BR3utDS555mV"
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)
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PRIVATE_KEY = """-----BEGIN RSA PRIVATE KEY-----
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MIIByAIBAAJhAK8ycfDmDpyZs3+LXwRLy4vA1T6yd/3PZNiPwM+uH8Yx3/YpskSW
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4sbUIZR/ZXzY1CMfuC5qyR+UDUbBaaK3Bwyjk8E02C4eSpkabJZGB0Yr3CUpG4fw
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vgUd7rQ0ueeZlQIBIwJgbh+1VZfr7WftK5lu7MHtqE1S1vPWZQYE3+VUn8yJADyb
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Z4fsZaCrzW9lkIqXkE3GIY+ojdhZhkO1gbG0118sIgphwSWKRxK0mvh6ERxKqIt1
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xJEJO74EykXZV4oNJ8sjAjEA3J9r2ZghVhGN6V8DnQrTk24Td0E8hU8AcP0FVP+8
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PQm/g/aXf2QQkQT+omdHVEJrAjEAy0pL0EBH6EVS98evDCBtQw22OZT52qXlAwZ2
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gyTriKFVoqjeEjt3SZKKqXHSApP/AjBLpF99zcJJZRq2abgYlf9lv1chkrWqDHUu
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DZttmYJeEfiFBBavVYIF1dOlZT0G8jMCMBc7sOSZodFnAiryP+Qg9otSBjJ3bQML
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pSTqy7c3a2AScC/YyOwkDaICHnnD3XyjMwIxALRzl0tQEKMXs6hH8ToUdlLROCrP
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EhQ0wahUTCk1gKA4uPD6TMTChavbh4K63OvbKg==
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-----END RSA PRIVATE KEY-----"""
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def manhole(username, password, globals):
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"""Starts a ssh listener with password authentication using
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the given username and password. Clients connecting to the ssh
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listener will find themselves in a colored python shell with
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the supplied globals.
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Args:
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username(str): The username ssh clients should auth with.
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password(str): The password ssh clients should auth with.
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globals(dict): The variables to expose in the shell.
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Returns:
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twisted.internet.protocol.Factory: A factory to pass to ``listenTCP``
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"""
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checker = checkers.InMemoryUsernamePasswordDatabaseDontUse(
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**{username: password}
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)
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rlm = manhole_ssh.TerminalRealm()
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rlm.chainedProtocolFactory = lambda: insults.ServerProtocol(
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ColoredManhole,
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dict(globals, __name__="__console__")
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)
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factory = manhole_ssh.ConchFactory(portal.Portal(rlm, [checker]))
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factory.publicKeys['ssh-rsa'] = Key.fromString(PUBLIC_KEY)
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factory.privateKeys['ssh-rsa'] = Key.fromString(PRIVATE_KEY)
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return factory
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