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#!/usr/bin/env python3
#
# Copyright (C) 2024 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 unittest
from base_vyostest_shim import VyOSUnitTestSHIM
interface = 'eth0'
mark = '100'
table_id = '101'
extra_table_id = '102'
vrf_name = 'LPBRVRF'
vrf_rt_id = '202'
class TestPolicyLocalRoute(VyOSUnitTestSHIM.TestCase):
@classmethod
def setUpClass(cls):
super(TestPolicyLocalRoute, cls).setUpClass()
# Clear out current configuration to allow running this test on a live system
cls.cli_delete(cls, ['policy', 'local-route'])
cls.cli_delete(cls, ['policy', 'local-route6'])
cls.cli_set(cls, ['vrf', 'name', vrf_name, 'table', vrf_rt_id])
@classmethod
def tearDownClass(cls):
cls.cli_delete(cls, ['vrf', 'name', vrf_name])
super(TestPolicyLocalRoute, cls).tearDownClass()
def tearDown(self):
self.cli_delete(['policy', 'local-route'])
self.cli_delete(['policy', 'local-route6'])
self.cli_commit()
ip_rule_search = [
[f'lookup {table_id}']
]
self.verify_rules(ip_rule_search, inverse=True)
self.verify_rules(ip_rule_search, inverse=True, addr_family='inet6')
def test_local_pbr_matching_criteria(self):
self.cli_set(['policy', 'local-route', 'rule', '4', 'inbound-interface', interface])
self.cli_set(['policy', 'local-route', 'rule', '4', 'protocol', 'udp'])
self.cli_set(['policy', 'local-route', 'rule', '4', 'fwmark', mark])
self.cli_set(['policy', 'local-route', 'rule', '4', 'destination', 'address', '198.51.100.0/24'])
self.cli_set(['policy', 'local-route', 'rule', '4', 'destination', 'port', '111'])
self.cli_set(['policy', 'local-route', 'rule', '4', 'source', 'address', '198.51.100.1'])
self.cli_set(['policy', 'local-route', 'rule', '4', 'source', 'port', '443'])
self.cli_set(['policy', 'local-route', 'rule', '4', 'set', 'table', table_id])
self.cli_set(['policy', 'local-route6', 'rule', '6', 'inbound-interface', interface])
self.cli_set(['policy', 'local-route6', 'rule', '6', 'protocol', 'tcp'])
self.cli_set(['policy', 'local-route6', 'rule', '6', 'fwmark', mark])
self.cli_set(['policy', 'local-route6', 'rule', '6', 'destination', 'address', '2001:db8::/64'])
self.cli_set(['policy', 'local-route6', 'rule', '6', 'destination', 'port', '123'])
self.cli_set(['policy', 'local-route6', 'rule', '6', 'source', 'address', '2001:db8::1'])
self.cli_set(['policy', 'local-route6', 'rule', '6', 'source', 'port', '80'])
self.cli_set(['policy', 'local-route6', 'rule', '6', 'set', 'table', table_id])
self.cli_commit()
rule_lookup = f'lookup {table_id}'
rule_fwmark = 'fwmark ' + hex(int(mark))
rule_interface = f'iif {interface}'
ip4_rule_search = [
['from 198.51.100.1', 'to 198.51.100.0/24', rule_fwmark, rule_interface, 'ipproto udp', 'sport 443', 'dport 111', rule_lookup]
]
self.verify_rules(ip4_rule_search)
ip6_rule_search = [
['from 2001:db8::1', 'to 2001:db8::/64', rule_fwmark, rule_interface, 'ipproto tcp', 'sport 80', 'dport 123', rule_lookup]
]
self.verify_rules(ip6_rule_search, addr_family='inet6')
def test_local_pbr_rule_removal(self):
self.cli_set(['policy', 'local-route', 'rule', '1', 'destination', 'address', '198.51.100.1'])
self.cli_set(['policy', 'local-route', 'rule', '1', 'set', 'table', table_id])
self.cli_set(['policy', 'local-route', 'rule', '2', 'destination', 'address', '198.51.100.2'])
self.cli_set(['policy', 'local-route', 'rule', '2', 'set', 'table', table_id])
self.cli_set(['policy', 'local-route', 'rule', '3', 'destination', 'address', '198.51.100.3'])
self.cli_set(['policy', 'local-route', 'rule', '3', 'set', 'table', table_id])
self.cli_commit()
rule_lookup = f'lookup {table_id}'
ip_rule_search = [
['to 198.51.100.1', rule_lookup],
['to 198.51.100.2', rule_lookup],
['to 198.51.100.3', rule_lookup],
]
self.verify_rules(ip_rule_search)
self.cli_delete(['policy', 'local-route', 'rule', '2'])
self.cli_commit()
ip_rule_missing = [
['to 198.51.100.2', rule_lookup],
]
self.verify_rules(ip_rule_missing, inverse=True)
def test_local_pbr_rule_changes(self):
self.cli_set(['policy', 'local-route', 'rule', '1', 'destination', 'address', '198.51.100.0/24'])
self.cli_set(['policy', 'local-route', 'rule', '1', 'set', 'table', table_id])
self.cli_commit()
self.cli_set(['policy', 'local-route', 'rule', '1', 'set', 'table', extra_table_id])
self.cli_commit()
ip_rule_search_extra = [
['to 198.51.100.0/24', f'lookup {extra_table_id}']
]
self.verify_rules(ip_rule_search_extra)
ip_rule_search_orig = [
['to 198.51.100.0/24', f'lookup {table_id}']
]
self.verify_rules(ip_rule_search_orig, inverse=True)
self.cli_delete(['policy', 'local-route', 'rule', '1', 'set', 'table'])
self.cli_set(['policy', 'local-route', 'rule', '1', 'set', 'vrf', vrf_name])
self.cli_commit()
ip_rule_search_vrf = [
['to 198.51.100.0/24', f'lookup {vrf_name}']
]
self.verify_rules(ip_rule_search_extra, inverse=True)
self.verify_rules(ip_rule_search_vrf)
def test_local_pbr_target_vrf(self):
self.cli_set(['policy', 'local-route', 'rule', '1', 'destination', 'address', '198.51.100.0/24'])
self.cli_set(['policy', 'local-route', 'rule', '1', 'set', 'vrf', vrf_name])
self.cli_commit()
ip_rule_search = [
['to 198.51.100.0/24', f'lookup {vrf_name}']
]
self.verify_rules(ip_rule_search)
if __name__ == '__main__':
unittest.main(verbosity=2)
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