4dde1f78e7
Previously VPN service relied on default behaviours and an open firewall. This specifies more values and ensures the firewall is properly set. Additionally, test coverage is expanded. Closes-Bug:1564213 Change-Id: Iefaccddaad54c412195802f97811722bb593b2ca
106 lines
3.1 KiB
Python
106 lines
3.1 KiB
Python
# Copyright 2016 Akanda, Inc
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import os
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import jinja2
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from astara_router.drivers import base
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from astara_router import utils
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TEMPLATE_DIR = os.path.join(os.path.dirname(__file__), 'templates')
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STRONGSWAN_TRANSLATIONS = {
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"3des": "3des",
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"aes-128": "aes128",
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"aes-256": "aes256",
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"aes-192": "aes192",
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"group2": "modp1024",
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"group5": "modp1536",
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"group14": "modp2048",
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"group15": "modp3072",
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"bi-directional": "start",
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"response-only": "add",
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}
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class StrongswanManager(base.Manager):
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"""
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A class to interact with strongswan, an IPSEC VPN daemon.
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"""
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def __init__(self, root_helper='sudo astara-rootwrap /etc/rootwrap.conf'):
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"""
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Initializes StrongswanManager class.
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:type root_helper: string
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:param root_helper: System utility used to gain escalate privileges.
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"""
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super(StrongswanManager, self).__init__(root_helper)
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def save_config(self, config):
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"""
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Writes config file for strongswan daemon.
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:type config: astara_router.models.Configuration
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"""
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env = jinja2.Environment(
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loader=jinja2.FileSystemLoader(TEMPLATE_DIR)
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)
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env.filters['strongswan'] = lambda v: STRONGSWAN_TRANSLATIONS.get(v, v)
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templates = ('ipsec.conf', 'ipsec.secrets')
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for template_name in templates:
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tmpl = env.get_template(template_name+'.j2')
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tmp = os.path.join('/tmp', template_name)
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utils.replace_file(tmp, tmpl.render(vpnservices=config.vpn))
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for template_name in templates:
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tmp = os.path.join('/tmp', template_name)
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etc = os.path.join('/etc', template_name)
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utils.execute(['mv', tmp, etc], self.root_helper)
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def restart(self):
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"""
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Restart the Strongswan daemon using the system provided init scripts.
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"""
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try:
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utils.execute(
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['service', 'strongswan', 'status'],
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self.root_helper
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)
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except: # pragma no cover
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utils.execute(['service', 'strongswan', 'start'], self.root_helper)
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else: # pragma no cover
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utils.execute(
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['service', 'strongswan', 'reload'],
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self.root_helper
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)
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def stop(self):
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"""
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Stop the Strongswan daemon using the system provided init scripts.
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"""
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try:
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utils.execute(
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['service', 'strongswan', 'stop'],
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self.root_helper
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)
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except: # pragma no cover
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pass
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