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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Copyright (C) 2005-2007 David Guerizec <david@guerizec.net>
#
# Last modified: 2008 Jan 27, 21:21:53 by david
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
__plugin_name__ = "RandomPool security fix"
__description__ = """
This is a runtime patch to fix a paramiko/pycrypto
security issue.
"""
def __patch_it__():
import paramiko.common
from sshproxy import log
if paramiko.__version_info__ >= (1, 7, 2):
return
import p_paramiko_osrandom
randpool = p_paramiko_osrandom.OSRandomPool()
impacted_modules = [
'common',
'dsskey',
'hostkeys',
'packet',
'pkey',
'rsakey',
'transport',
# the following modules do not seem to use the
# randpool object, although they import it from common
# so let's patch them too, just in case
'auth_handler',
'channel',
'client',
'kex_gex',
'kex_group1',
'server',
'sftp',
'sftp_attr',
'sftp_file',
'sftp_handle',
'sftp_server',
'sftp_si',
'util',
]
for name in impacted_modules:
modname = 'paramiko.%s' % name
module = __import__(modname, fromlist=[name])
module.randpool = randpool
paramiko.randpool = randpool
if 'Crypto.Util.randpool.' not in repr(paramiko.common.randpool):
log.info("Runtime patch to paramiko random generator applied")
def __init_plugin__():
pass
__patch_it__()
# vim:set ts=4 sw=4 sts=4 expandtab:
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