mirror of
https://github.com/freedombox/FreedomBox.git
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152 lines
4.2 KiB
Python
152 lines
4.2 KiB
Python
#
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# This file is part of FreedomBox.
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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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FreedomBox app to interface with network-manager.
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"""
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import subprocess
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from logging import Logger
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from django.utils.translation import ugettext_lazy as _
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from plinth import action_utils, actions
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from plinth import app as app_module
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from plinth import menu, network
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version = 1
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is_essential = True
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managed_packages = ['network-manager', 'batctl']
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name = _('Networks')
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description = [
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_('Configure network devices. Connect to the Internet via Ethernet, Wi-Fi '
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'or PPPoE. Share that connection with other devices on the network.'),
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_('Devices administered through other methods may not be available for '
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'configuration here.'),
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]
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logger = Logger(__name__)
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manual_page = 'Networks'
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app = None
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class NetworksApp(app_module.App):
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"""FreedomBox app for Networks."""
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app_id = 'networks'
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def __init__(self):
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"""Create components for the app."""
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super().__init__()
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menu_item = menu.Menu('menu-networks', name, None, 'fa-signal',
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'networks:index', parent_url_name='system')
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self.add(menu_item)
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def init():
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"""Initialize the Networks module."""
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global app
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app = NetworksApp()
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app.set_enabled(True)
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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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actions.superuser_run('networks')
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helper.call('post', app.enable)
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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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interfaces = _get_shared_interfaces()
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addresses = _get_interface_addresses(interfaces)
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for address in addresses:
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results.append(action_utils.diagnose_port_listening(
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53, 'tcp', address))
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results.append(action_utils.diagnose_port_listening(
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53, 'udp', address))
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results.append(_diagnose_dnssec('4'))
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results.append(_diagnose_dnssec('6'))
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return results
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def _get_shared_interfaces():
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"""Get active network interfaces in shared mode."""
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shared_interfaces = []
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for connection in network.get_connection_list():
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if not connection['is_active']:
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continue
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connection_uuid = connection['uuid']
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connection = network.get_connection(connection_uuid)
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settings_ipv4 = connection.get_setting_ip4_config()
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if settings_ipv4.get_method() == 'shared':
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settings_connection = connection.get_setting_connection()
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interface = settings_connection.get_interface_name()
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if interface:
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shared_interfaces.append(interface)
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return shared_interfaces
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def _get_interface_addresses(interfaces):
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"""Get the IPv4 addresses for the given interfaces."""
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output = subprocess.check_output(['ip', '-o', 'addr'])
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lines = output.decode().splitlines()
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addresses = []
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for line in lines:
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parts = line.split()
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if parts[1] in interfaces and parts[2] == 'inet':
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addresses.append(parts[3].split('/')[0])
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return addresses
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def _diagnose_dnssec(kind='4'):
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"""Perform diagnostic on whether the system is using DNSSEC.
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Kind is either '4' or '6' for IPv4 and IPv6 respectively.
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"""
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kind_option = {'4': '-4', '6': '-6'}[kind]
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result = 'failed'
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try:
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output = subprocess.check_output([
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'dig', kind_option, '+time=2', '+tries=1',
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'test.dnssec-or-not.net', 'TXT'
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])
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if 'Yes, you are using DNSSEC' in output.decode():
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result = 'passed'
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except subprocess.CalledProcessError:
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pass
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return [_('Using DNSSEC on IPv{kind}').format(kind=kind), result]
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