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Viewing changes to vendor/Twisted-10.0.0/twisted/conch/tap.py

  • Committer: Jesse Andrews
  • Date: 2010-05-28 06:05:26 UTC
  • Revision ID: git-v1:bf6e6e718cdc7488e2da87b21e258ccc065fe499
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vendor/Twisted-10.0.0/twisted/conch/tap.py
 
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# -*- test-case-name: twisted.conch.test.test_tap -*-
 
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# Copyright (c) 2001-2009 Twisted Matrix Laboratories.
 
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# See LICENSE for details.
 
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"""
 
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Support module for making SSH servers with twistd.
 
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"""
 
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from twisted.conch import checkers, unix
 
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from twisted.conch.openssh_compat import factory
 
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from twisted.cred import portal
 
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from twisted.python import usage
 
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from twisted.application import strports
 
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try:
 
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    from twisted.cred import pamauth
 
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except ImportError:
 
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    pamauth = None
 
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class Options(usage.Options):
 
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    synopsis = "[-i <interface>] [-p <port>] [-d <dir>] "
 
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    longdesc = "Makes a Conch SSH server."
 
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    optParameters = [
 
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         ["interface", "i", "", "local interface to which we listen"],
 
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         ["port", "p", "22", "Port on which to listen"],
 
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         ["data", "d", "/etc", "directory to look for host keys in"],
 
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         ["moduli", "", None, "directory to look for moduli in "
 
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                              "(if different from --data)"]
 
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    ]
 
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    zsh_actions = {"data" : "_dirs", "moduli" : "_dirs"}
 
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def makeService(config):
 
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    t = factory.OpenSSHFactory()
 
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    t.portal = portal.Portal(unix.UnixSSHRealm())
 
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    t.portal.registerChecker(checkers.UNIXPasswordDatabase())
 
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    t.portal.registerChecker(checkers.SSHPublicKeyDatabase())
 
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    if pamauth is not None:
 
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        from twisted.cred.checkers import PluggableAuthenticationModulesChecker
 
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        t.portal.registerChecker(PluggableAuthenticationModulesChecker())
 
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    t.dataRoot = config['data']
 
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    t.moduliRoot = config['moduli'] or config['data']
 
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    port = config['port']
 
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    if config['interface']:
 
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        # Add warning here
 
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        port += ':interface='+config['interface']
 
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    return strports.service(port, t)