mirror of
https://github.com/freedombox/FreedomBox.git
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161 lines
4.4 KiB
Python
161 lines
4.4 KiB
Python
#
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# This file is part of Plinth.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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"""
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Plinth module to configure BIND server
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"""
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import re
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from django.urls import reverse_lazy
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from django.utils.translation import ugettext_lazy as _
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from django.core.validators import validate_ipv46_address
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from plinth import actions
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from plinth import action_utils
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from plinth import cfg
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from plinth import frontpage
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from plinth import service as service_module
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from plinth.views import ServiceView
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version = 1
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depends = ['system']
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title = _('Domain Name Server \n (BIND)')
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service = None
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managed_services = ['bind9']
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managed_packages = ['bind9', 'bind9utils', 'bind9-doc']
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description = [
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_('BIND is open source software that enables you to publish your Domain '
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'Name System (DNS) information on the Internet, and to resolve '
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'DNS queries for your users.'),
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_('BIND is by far the most widely used DNS software on the Internet, '
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'providing a robust and stable platform on top of which organizations'
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' can build distributed computing systems with the knowledge that those '
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'systems are fully compliant with published DNS standards.')
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]
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CONFIG_FILE = '/etc/bind/named.conf.options'
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def init():
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"""Intialize the BIND module."""
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menu = cfg.main_menu.get('system:index')
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menu.add_urlname(title, 'glyphicon-globe', 'bind:index')
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global service
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setup_helper = globals()['setup_helper']
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if setup_helper.get_state() != 'needs-setup':
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service = service_module.Service(
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managed_services[0], title, ports=['dns'],
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is_external=False,
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)
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class BindServiceView(ServiceView):
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service_id = managed_services[0]
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diagnostics_module_name = "bind"
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description = description
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def setup(helper, old_version=None):
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"""Install and configure the module."""
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helper.install(managed_packages)
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global service
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if service is None:
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service = service_module.Service(
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managed_services[0], title, ports=['dns'],
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is_external=True,
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enable=enable, disable=disable)
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helper.call('post', service.notify_enabled, None, True)
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helper.call('post', default_config)
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def enable():
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"""Enable the module."""
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actions.superuser_run('service', ['enable', managed_services[0]])
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def disable():
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"""Disable the module."""
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actions.superuser_run('service', ['disable', managed_services[0]])
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def diagnose():
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"""Run diagnostics and return the results."""
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results = []
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results.append(action_utils.diagnose_port_listening(53, 'tcp6'))
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results.append(action_utils.diagnose_port_listening(53, 'udp6'))
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results.append(action_utils.diagnose_port_listening(53, 'tcp4'))
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results.append(action_utils.diagnose_port_listening(53, 'udp4'))
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return results
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def default_config():
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"""Setp BIND configuration"""
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actions.superuser_run('bind', ['setup'])
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def get_default():
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"""Get initial value for forwarding"""
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data = [line.strip() for line in open(CONFIG_FILE, 'r')]
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if '// forwarders {' in data:
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set_forwarding = False
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else:
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set_forwarding = True
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if '// dnssec-enable yes;' in data or '//dnssec-enable yes;' in data:
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enable_dnssec = False
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else:
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enable_dnssec = True
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flag = 0
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for line in data:
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if flag == 1:
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if '//' in line:
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forwarders = ''
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else:
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forwarders = re.sub('[;]', '', line)
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flag = 0
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if 'forwarders {' in line:
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flag = 1
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conf = {
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'set_forwarding': set_forwarding,
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'enable_dnssec': enable_dnssec,
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'forwarders': forwarders
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}
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return conf
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def validate(IP):
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for ip in IP.split():
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try :
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validate_ipv46_address(ip)
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except:
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return False
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return True
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