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#!/usr/bin/python
# Authors:
# Christina Fu <cfu@redhat.com>
# Endi S. Dewata <edewata@redhat.com>
#
# 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; version 2 of the License.
#
# 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.
#
# Copyright (C) 2014 Red Hat, Inc.
# All rights reserved.
#
from __future__ import absolute_import
import os
from lxml import etree
import pki.server.upgrade
class AddTLSRangeSupport(pki.server.upgrade.PKIServerUpgradeScriptlet):
def __init__(self):
super(AddTLSRangeSupport, self).__init__()
self.message = 'Add TLS Range Support'
self.parser = etree.XMLParser(remove_blank_text=True)
def upgrade_instance(self, instance):
server_xml = os.path.join(instance.conf_dir, 'server.xml')
#Backup the file before modify
self.backup(server_xml)
#Parse the server.xml into an XML object
document = etree.parse(server_xml, self.parser)
#perform the upgrade in memory
self.add_tls_range(document)
#Once all changes are made, write the XML back into the same server.xml
#This way we're preserving any other customization that has been done
# to the server.xml
with open(server_xml, 'w') as f:
f.write(etree.tostring(document, pretty_print=True))
def add_tls_range(self, document):
# Find existing Connector
server = document.getroot()
connectors = server.findall('.//Connector')
for connector in connectors:
secure = connector.get('secure')
if secure == 'true':
# Update Connector's attributes
connector.set('strictCiphers', 'true')
connector.set('sslVersionRangeStream', 'tls1_0:tls1_2')
connector.set('sslVersionRangeDatagram', 'tls1_1:tls1_2')
connector.set('sslRangeCiphers',
'-TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA,' \
'-TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA,' \
'+TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA,' \
'+TLS_ECDH_RSA_WITH_AES_128_CBC_SHA,' \
'+TLS_ECDH_RSA_WITH_AES_256_CBC_SHA,' \
'-TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA,' \
'+TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,' \
'+TLS_RSA_WITH_3DES_EDE_CBC_SHA,' \
'+TLS_RSA_WITH_AES_128_CBC_SHA,' \
'+TLS_RSA_WITH_AES_256_CBC_SHA,' \
'+TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA,' \
'+TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,' \
'-TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA,' \
'-TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,' \
'-TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,' \
'+TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA,' \
'+TLS_DHE_DSS_WITH_AES_128_CBC_SHA,' \
'+TLS_DHE_DSS_WITH_AES_256_CBC_SHA,' \
'+TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA,' \
'+TLS_DHE_RSA_WITH_AES_128_CBC_SHA,' \
'+TLS_DHE_RSA_WITH_AES_256_CBC_SHA,' \
'+TLS_DHE_RSA_WITH_AES_128_CBC_SHA256,' \
'+TLS_DHE_RSA_WITH_AES_256_CBC_SHA256,' \
'+TLS_RSA_WITH_AES_128_CBC_SHA256,' \
'+TLS_RSA_WITH_AES_256_CBC_SHA256,' \
'+TLS_RSA_WITH_AES_128_GCM_SHA256,' \
'+TLS_DHE_RSA_WITH_AES_128_GCM_SHA256,' \
'+TLS_DHE_DSS_WITH_AES_128_GCM_SHA256,' \
'+TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256,' \
'+TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,' \
'+TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,' \
'+TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256,' \
'+TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,' \
'+TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256')
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