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#!/usr/bin/env python3
#
# Copyright (C) 2022 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
# published by the Free Software Foundation.
#
# 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, see <http://www.gnu.org/licenses/>.
import os
import unittest
from base_vyostest_shim import VyOSUnitTestSHIM
from vyos.configsession import ConfigSessionError
from vyos.util import process_named_running
from vyos.util import read_file
PROCESS_NAME = 'fastnetmon'
FASTNETMON_CONF = '/run/fastnetmon/fastnetmon.conf'
NETWORKS_CONF = '/run/fastnetmon/networks_list'
EXCLUDED_NETWORKS_CONF = '/run/fastnetmon/excluded_networks_list'
base_path = ['service', 'ids', 'ddos-protection']
class TestServiceIDS(VyOSUnitTestSHIM.TestCase):
@classmethod
def setUpClass(cls):
super(TestServiceIDS, cls).setUpClass()
# ensure we can also run this test on a live system - so lets clean
# out the current configuration :)
cls.cli_delete(cls, base_path)
def tearDown(self):
# Check for running process
self.assertTrue(process_named_running(PROCESS_NAME))
# delete test config
self.cli_delete(base_path)
self.cli_commit()
self.assertFalse(os.path.exists(FASTNETMON_CONF))
self.assertFalse(process_named_running(PROCESS_NAME))
def test_fastnetmon(self):
networks = ['10.0.0.0/24', '10.5.5.0/24', '2001:db8:10::/64', '2001:db8:20::/64']
excluded_networks = ['10.0.0.1/32', '2001:db8:10::1/128']
interfaces = ['eth0', 'eth1']
fps = '3500'
mbps = '300'
pps = '60000'
self.cli_set(base_path + ['mode', 'mirror'])
# Required network!
with self.assertRaises(ConfigSessionError):
self.cli_commit()
for tmp in networks:
self.cli_set(base_path + ['network', tmp])
# optional excluded-network!
with self.assertRaises(ConfigSessionError):
self.cli_commit()
for tmp in excluded_networks:
self.cli_set(base_path + ['excluded-network', tmp])
# Required interface(s)!
with self.assertRaises(ConfigSessionError):
self.cli_commit()
for tmp in interfaces:
self.cli_set(base_path + ['listen-interface', tmp])
self.cli_set(base_path + ['direction', 'in'])
self.cli_set(base_path + ['threshold', 'general', 'fps', fps])
self.cli_set(base_path + ['threshold', 'general', 'pps', pps])
self.cli_set(base_path + ['threshold', 'general', 'mbps', mbps])
# commit changes
self.cli_commit()
# Check configured port
config = read_file(FASTNETMON_CONF)
self.assertIn(f'mirror_afpacket = on', config)
self.assertIn(f'process_incoming_traffic = on', config)
self.assertIn(f'process_outgoing_traffic = off', config)
self.assertIn(f'ban_for_flows = on', config)
self.assertIn(f'threshold_flows = {fps}', config)
self.assertIn(f'ban_for_bandwidth = on', config)
self.assertIn(f'threshold_mbps = {mbps}', config)
self.assertIn(f'ban_for_pps = on', config)
self.assertIn(f'threshold_pps = {pps}', config)
# default
self.assertIn(f'enable_ban = on', config)
self.assertIn(f'enable_ban_ipv6 = on', config)
self.assertIn(f'ban_time = 1900', config)
tmp = ','.join(interfaces)
self.assertIn(f'interfaces = {tmp}', config)
network_config = read_file(NETWORKS_CONF)
for tmp in networks:
self.assertIn(f'{tmp}', network_config)
excluded_network_config = read_file(EXCLUDED_NETWORKS_CONF)
for tmp in excluded_networks:
self.assertIn(f'{tmp}', excluded_network_config)
if __name__ == '__main__':
unittest.main(verbosity=2)
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