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# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.
#
from twisted.conch.ssh.transport import SSHClientTransport, SSHCiphers
from twisted.python import usage
from twisted.python.compat import unicode
import sys
class ConchOptions(usage.Options):
optParameters = [['user', 'l', None, 'Log in using this user name.'],
['identity', 'i', None],
['ciphers', 'c', None],
['macs', 'm', None],
['port', 'p', None, 'Connect to this port. Server must be on the same port.'],
['option', 'o', None, 'Ignored OpenSSH options'],
['host-key-algorithms', '', None],
['known-hosts', '', None, 'File to check for host keys'],
['user-authentications', '', None, 'Types of user authentications to use.'],
['logfile', '', None, 'File to log to, or - for stdout'],
]
optFlags = [['version', 'V', 'Display version number only.'],
['compress', 'C', 'Enable compression.'],
['log', 'v', 'Enable logging (defaults to stderr)'],
['nox11', 'x', 'Disable X11 connection forwarding (default)'],
['agent', 'A', 'Enable authentication agent forwarding'],
['noagent', 'a', 'Disable authentication agent forwarding (default)'],
['reconnect', 'r', 'Reconnect to the server if the connection is lost.'],
]
compData = usage.Completions(
mutuallyExclusive=[("agent", "noagent")],
optActions={
"user": usage.CompleteUsernames(),
"ciphers": usage.CompleteMultiList(
SSHCiphers.cipherMap.keys(),
descr='ciphers to choose from'),
"macs": usage.CompleteMultiList(
SSHCiphers.macMap.keys(),
descr='macs to choose from'),
"host-key-algorithms": usage.CompleteMultiList(
SSHClientTransport.supportedPublicKeys,
descr='host key algorithms to choose from'),
#"user-authentications": usage.CompleteMultiList(?
# descr='user authentication types' ),
},
extraActions=[usage.CompleteUserAtHost(),
usage.Completer(descr="command"),
usage.Completer(descr='argument',
repeat=True)]
)
def __init__(self, *args, **kw):
usage.Options.__init__(self, *args, **kw)
self.identitys = []
self.conns = None
def opt_identity(self, i):
"""Identity for public-key authentication"""
self.identitys.append(i)
def opt_ciphers(self, ciphers):
"Select encryption algorithms"
ciphers = ciphers.split(',')
for cipher in ciphers:
if cipher not in SSHCiphers.cipherMap:
sys.exit("Unknown cipher type '%s'" % cipher)
self['ciphers'] = ciphers
def opt_macs(self, macs):
"Specify MAC algorithms"
if isinstance(macs, unicode):
macs = macs.encode("utf-8")
macs = macs.split(b',')
for mac in macs:
if mac not in SSHCiphers.macMap:
sys.exit("Unknown mac type '%r'" % mac)
self['macs'] = macs
def opt_host_key_algorithms(self, hkas):
"Select host key algorithms"
if isinstance(hkas, unicode):
hkas = hkas.encode("utf-8")
hkas = hkas.split(b',')
for hka in hkas:
if hka not in SSHClientTransport.supportedPublicKeys:
sys.exit("Unknown host key type '%r'" % hka)
self['host-key-algorithms'] = hkas
def opt_user_authentications(self, uas):
"Choose how to authenticate to the remote server"
if isinstance(uas, unicode):
uas = uas.encode("utf-8")
self['user-authentications'] = uas.split(b',')
# def opt_compress(self):
# "Enable compression"
# self.enableCompression = 1
# SSHClientTransport.supportedCompressions[0:1] = ['zlib']