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#!/usr/bin/env python3
#
# Copyright (C) 2021 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
from vyos.util import cmd
mark = '100'
table_mark_offset = 0x7fffffff
table_id = '101'
class TestPolicyRoute(VyOSUnitTestSHIM.TestCase):
def setUp(self):
self.cli_set(['interfaces', 'ethernet', 'eth0', 'address', '172.16.10.1/24'])
self.cli_set(['protocols', 'static', 'table', '101', 'route', '0.0.0.0/0', 'interface', 'eth0'])
def tearDown(self):
self.cli_delete(['interfaces', 'ethernet', 'eth0'])
self.cli_delete(['policy', 'route'])
self.cli_delete(['policy', 'ipv6-route'])
self.cli_commit()
def test_pbr_mark(self):
self.cli_set(['policy', 'route', 'smoketest', 'rule', '1', 'source', 'address', '172.16.20.10'])
self.cli_set(['policy', 'route', 'smoketest', 'rule', '1', 'destination', 'address', '172.16.10.10'])
self.cli_set(['policy', 'route', 'smoketest', 'rule', '1', 'set', 'mark', mark])
self.cli_set(['interfaces', 'ethernet', 'eth0', 'policy', 'route', 'smoketest'])
self.cli_commit()
mark_hex = "{0:#010x}".format(int(mark))
nftables_search = [
['iifname "eth0"', 'jump VYOS_PBR_smoketest'],
['ip daddr 172.16.10.10', 'ip saddr 172.16.20.10', 'meta mark set ' + mark_hex],
]
nftables_output = cmd('sudo nft list table ip mangle')
for search in nftables_search:
matched = False
for line in nftables_output.split("\n"):
if all(item in line for item in search):
matched = True
break
self.assertTrue(matched)
def test_pbr_table(self):
self.cli_set(['policy', 'route', 'smoketest', 'rule', '1', 'protocol', 'tcp_udp'])
self.cli_set(['policy', 'route', 'smoketest', 'rule', '1', 'destination', 'port', '8888'])
self.cli_set(['policy', 'route', 'smoketest', 'rule', '1', 'set', 'table', table_id])
self.cli_set(['interfaces', 'ethernet', 'eth0', 'policy', 'route', 'smoketest'])
self.cli_commit()
mark_hex = "{0:#010x}".format(table_mark_offset - int(table_id))
nftables_search = [
['iifname "eth0"', 'jump VYOS_PBR_smoketest'],
['meta l4proto { tcp, udp }', 'th dport { 8888 }', 'meta mark set ' + mark_hex]
]
nftables_output = cmd('sudo nft list table ip mangle')
for search in nftables_search:
matched = False
for line in nftables_output.split("\n"):
if all(item in line for item in search):
matched = True
break
self.assertTrue(matched)
ip_rule_search = [
['fwmark ' + hex(table_mark_offset - int(table_id)), 'lookup ' + table_id]
]
ip_rule_output = cmd('ip rule show')
for search in ip_rule_search:
matched = False
for line in ip_rule_output.split("\n"):
if all(item in line for item in search):
matched = True
break
self.assertTrue(matched)
if __name__ == '__main__':
unittest.main(verbosity=2)
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