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test_firewall.py
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test_firewall.py
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#!/usr/bin/env python3
#
# Copyright (C) 2021-2022 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 unittest
from glob import glob
from base_vyostest_shim import VyOSUnitTestSHIM
from vyos.configsession import ConfigSessionError
from vyos.util import cmd
sysfs_config = {
'all_ping': {'sysfs': '/proc/sys/net/ipv4/icmp_echo_ignore_all', 'default': '0', 'test_value': 'disable'},
'broadcast_ping': {'sysfs': '/proc/sys/net/ipv4/icmp_echo_ignore_broadcasts', 'default': '1', 'test_value': 'enable'},
'ip_src_route': {'sysfs': '/proc/sys/net/ipv4/conf/*/accept_source_route', 'default': '0', 'test_value': 'enable'},
'ipv6_receive_redirects': {'sysfs': '/proc/sys/net/ipv6/conf/*/accept_redirects', 'default': '0', 'test_value': 'enable'},
'ipv6_src_route': {'sysfs': '/proc/sys/net/ipv6/conf/*/accept_source_route', 'default': '-1', 'test_value': 'enable'},
'log_martians': {'sysfs': '/proc/sys/net/ipv4/conf/all/log_martians', 'default': '1', 'test_value': 'disable'},
'receive_redirects': {'sysfs': '/proc/sys/net/ipv4/conf/*/accept_redirects', 'default': '0', 'test_value': 'enable'},
'send_redirects': {'sysfs': '/proc/sys/net/ipv4/conf/*/send_redirects', 'default': '1', 'test_value': 'disable'},
'syn_cookies': {'sysfs': '/proc/sys/net/ipv4/tcp_syncookies', 'default': '1', 'test_value': 'disable'},
'twa_hazards_protection': {'sysfs': '/proc/sys/net/ipv4/tcp_rfc1337', 'default': '0', 'test_value': 'enable'}
}
class TestFirewall(VyOSUnitTestSHIM.TestCase):
@classmethod
def setUpClass(cls):
super(TestFirewall, cls).setUpClass()
# ensure we can also run this test on a live system - so lets clean
# out the current configuration :)
cls.cli_delete(cls, ['firewall'])
@classmethod
def tearDownClass(cls):
super(TestFirewall, cls).tearDownClass()
def tearDown(self):
self.cli_delete(['firewall'])
self.cli_commit()
# Verify chains/sets are cleaned up from nftables
nftables_search = [
['set M_smoketest_mac'],
['set N_smoketest_network'],
['set P_smoketest_port'],
['set D_smoketest_domain'],
['set RECENT_smoketest_4'],
['chain NAME_smoketest']
]
self.verify_nftables(nftables_search, 'ip vyos_filter', inverse=True)
def verify_nftables(self, nftables_search, table, inverse=False, args=''):
nftables_output = cmd(f'sudo nft {args} list table {table}')
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(not matched if inverse else matched, msg=search)
def test_geoip(self):
self.cli_set(['firewall', 'name', 'smoketest', 'rule', '1', 'action', 'drop'])
self.cli_set(['firewall', 'name', 'smoketest', 'rule', '1', 'source', 'geoip', 'country-code', 'se'])
self.cli_set(['firewall', 'name', 'smoketest', 'rule', '1', 'source', 'geoip', 'country-code', 'gb'])
self.cli_set(['firewall', 'name', 'smoketest', 'rule', '2', 'action', 'accept'])
self.cli_set(['firewall', 'name', 'smoketest', 'rule', '2', 'source', 'geoip', 'country-code', 'de'])
self.cli_set(['firewall', 'name', 'smoketest', 'rule', '2', 'source', 'geoip', 'country-code', 'fr'])
self.cli_set(['firewall', 'name', 'smoketest', 'rule', '2', 'source', 'geoip', 'inverse-match'])
self.cli_commit()
nftables_search = [
['ip saddr @GEOIP_CC_smoketest_1', 'drop'],
['ip saddr != @GEOIP_CC_smoketest_2', 'return']
]
# -t prevents 1000+ GeoIP elements being returned
self.verify_nftables(nftables_search, 'ip vyos_filter', args='-t')
def test_groups(self):
hostmap_path = ['system', 'static-host-mapping', 'host-name']
example_org = ['192.0.2.8', '192.0.2.10', '192.0.2.11']
self.cli_set(hostmap_path + ['example.com', 'inet', '192.0.2.5'])
for ips in example_org:
self.cli_set(hostmap_path + ['example.org', 'inet', ips])
self.cli_commit()
self.cli_set(['firewall', 'group', 'mac-group', 'smoketest_mac', 'mac-address', '00:01:02:03:04:05'])
self.cli_set(['firewall', 'group', 'network-group', 'smoketest_network', 'network', '172.16.99.0/24'])
self.cli_set(['firewall', 'group', 'port-group', 'smoketest_port', 'port', '53'])
self.cli_set(['firewall', 'group', 'port-group', 'smoketest_port', 'port', '123'])
self.cli_set(['firewall', 'group', 'domain-group', 'smoketest_domain', 'address', 'example.com'])
self.cli_set(['firewall', 'group', 'domain-group', 'smoketest_domain', 'address', 'example.org'])
self.cli_set(['firewall', 'name', 'smoketest', 'rule', '1', 'action', 'accept'])
self.cli_set(['firewall', 'name', 'smoketest', 'rule', '1', 'source', 'group', 'network-group', 'smoketest_network'])
self.cli_set(['firewall', 'name', 'smoketest', 'rule', '1', 'destination', 'address', '172.16.10.10'])
self.cli_set(['firewall', 'name', 'smoketest', 'rule', '1', 'destination', 'group', 'port-group', 'smoketest_port'])
self.cli_set(['firewall', 'name', 'smoketest', 'rule', '1', 'protocol', 'tcp_udp'])
self.cli_set(['firewall', 'name', 'smoketest', 'rule', '2', 'action', 'accept'])
self.cli_set(['firewall', 'name', 'smoketest', 'rule', '2', 'source', 'group', 'mac-group', 'smoketest_mac'])
self.cli_set(['firewall', 'name', 'smoketest', 'rule', '3', 'action', 'accept'])
self.cli_set(['firewall', 'name', 'smoketest', 'rule', '3', 'source', 'group', 'domain-group', 'smoketest_domain'])
self.cli_set(['firewall', 'interface', 'eth0', 'in', 'name', 'smoketest'])
self.cli_commit()
nftables_search = [
['iifname "eth0"', 'jump NAME_smoketest'],
['ip saddr @N_smoketest_network', 'ip daddr 172.16.10.10', 'th dport @P_smoketest_port', 'return'],
['elements = { 172.16.99.0/24 }'],
['elements = { 53, 123 }'],
['ether saddr @M_smoketest_mac', 'return'],
['elements = { 00:01:02:03:04:05 }'],
['set D_smoketest_domain'],
['elements = { 192.0.2.5, 192.0.2.8,'],
['192.0.2.10, 192.0.2.11 }'],
['ip saddr @D_smoketest_domain', 'return']
]
self.verify_nftables(nftables_search, 'ip vyos_filter')
self.cli_delete(['system', 'static-host-mapping'])
self.cli_commit()
def test_nested_groups(self):
self.cli_set(['firewall', 'group', 'network-group', 'smoketest_network', 'network', '172.16.99.0/24'])
self.cli_set(['firewall', 'group', 'network-group', 'smoketest_network1', 'network', '172.16.101.0/24'])
self.cli_set(['firewall', 'group', 'network-group', 'smoketest_network1', 'include', 'smoketest_network'])
self.cli_set(['firewall', 'group', 'port-group', 'smoketest_port', 'port', '53'])
self.cli_set(['firewall', 'group', 'port-group', 'smoketest_port1', 'port', '123'])
self.cli_set(['firewall', 'group', 'port-group', 'smoketest_port1', 'include', 'smoketest_port'])
self.cli_set(['firewall', 'name', 'smoketest', 'rule', '1', 'action', 'accept'])
self.cli_set(['firewall', 'name', 'smoketest', 'rule', '1', 'source', 'group', 'network-group', 'smoketest_network1'])
self.cli_set(['firewall', 'name', 'smoketest', 'rule', '1', 'destination', 'group', 'port-group', 'smoketest_port1'])
self.cli_set(['firewall', 'name', 'smoketest', 'rule', '1', 'protocol', 'tcp_udp'])
self.cli_set(['firewall', 'interface', 'eth0', 'in', 'name', 'smoketest'])
self.cli_commit()
# Test circular includes
self.cli_set(['firewall', 'group', 'network-group', 'smoketest_network', 'include', 'smoketest_network1'])
with self.assertRaises(ConfigSessionError):
self.cli_commit()
self.cli_delete(['firewall', 'group', 'network-group', 'smoketest_network', 'include', 'smoketest_network1'])
nftables_search = [
['iifname "eth0"', 'jump NAME_smoketest'],
['ip saddr @N_smoketest_network1', 'th dport @P_smoketest_port1', 'return'],
['elements = { 172.16.99.0/24, 172.16.101.0/24 }'],
['elements = { 53, 123 }']
]
self.verify_nftables(nftables_search, 'ip vyos_filter')
def test_ipv4_basic_rules(self):
name = 'smoketest'
interface = 'eth0'
mss_range = '501-1460'
self.cli_set(['firewall', 'name', name, 'default-action', 'drop'])
self.cli_set(['firewall', 'name', name, 'enable-default-log'])
self.cli_set(['firewall', 'name', name, 'rule', '1', 'action', 'accept'])
self.cli_set(['firewall', 'name', name, 'rule', '1', 'source', 'address', '172.16.20.10'])
self.cli_set(['firewall', 'name', name, 'rule', '1', 'destination', 'address', '172.16.10.10'])
self.cli_set(['firewall', 'name', name, 'rule', '1', 'log', 'enable'])
self.cli_set(['firewall', 'name', name, 'rule', '1', 'log-level', 'debug'])
self.cli_set(['firewall', 'name', name, 'rule', '1', 'ttl', 'eq', '15'])
self.cli_set(['firewall', 'name', name, 'rule', '2', 'action', 'reject'])
self.cli_set(['firewall', 'name', name, 'rule', '2', 'protocol', 'tcp'])
self.cli_set(['firewall', 'name', name, 'rule', '2', 'destination', 'port', '8888'])
self.cli_set(['firewall', 'name', name, 'rule', '2', 'log', 'enable'])
self.cli_set(['firewall', 'name', name, 'rule', '2', 'log-level', 'err'])
self.cli_set(['firewall', 'name', name, 'rule', '2', 'tcp', 'flags', 'syn'])
self.cli_set(['firewall', 'name', name, 'rule', '2', 'tcp', 'flags', 'not', 'ack'])
self.cli_set(['firewall', 'name', name, 'rule', '2', 'ttl', 'gt', '102'])
self.cli_set(['firewall', 'name', name, 'rule', '3', 'action', 'accept'])
self.cli_set(['firewall', 'name', name, 'rule', '3', 'protocol', 'tcp'])
self.cli_set(['firewall', 'name', name, 'rule', '3', 'destination', 'port', '22'])
self.cli_set(['firewall', 'name', name, 'rule', '3', 'limit', 'rate', '5/minute'])
self.cli_set(['firewall', 'name', name, 'rule', '3', 'log', 'disable'])
self.cli_set(['firewall', 'name', name, 'rule', '4', 'action', 'drop'])
self.cli_set(['firewall', 'name', name, 'rule', '4', 'protocol', 'tcp'])
self.cli_set(['firewall', 'name', name, 'rule', '4', 'destination', 'port', '22'])
self.cli_set(['firewall', 'name', name, 'rule', '4', 'recent', 'count', '10'])
self.cli_set(['firewall', 'name', name, 'rule', '4', 'recent', 'time', 'minute'])
self.cli_set(['firewall', 'name', name, 'rule', '5', 'action', 'accept'])
self.cli_set(['firewall', 'name', name, 'rule', '5', 'protocol', 'tcp'])
self.cli_set(['firewall', 'name', name, 'rule', '5', 'tcp', 'flags', 'syn'])
self.cli_set(['firewall', 'name', name, 'rule', '5', 'tcp', 'mss', mss_range])
self.cli_set(['firewall', 'interface', interface, 'in', 'name', name])
self.cli_commit()
nftables_search = [
[f'iifname "{interface}"', f'jump NAME_{name}'],
['saddr 172.16.20.10', 'daddr 172.16.10.10', 'log prefix "[smoketest-1-A]" level debug', 'ip ttl 15', 'return'],
['tcp flags syn / syn,ack', 'tcp dport 8888', 'log prefix "[smoketest-2-R]" level err', 'ip ttl > 102', 'reject'],
['tcp dport 22', 'limit rate 5/minute', 'return'],
['log prefix "[smoketest-default-D]"','smoketest default-action', 'drop'],
['tcp dport 22', 'add @RECENT_smoketest_4 { ip saddr limit rate over 10/minute burst 10 packets }', 'drop'],
['tcp flags & syn == syn', f'tcp option maxseg size {mss_range}'],
]
self.verify_nftables(nftables_search, 'ip vyos_filter')
def test_ipv4_advanced(self):
name = 'smoketest-adv'
name2 = 'smoketest-adv2'
interface = 'eth0'
self.cli_set(['firewall', 'name', name, 'default-action', 'drop'])
self.cli_set(['firewall', 'name', name, 'enable-default-log'])
self.cli_set(['firewall', 'name', name, 'rule', '6', 'action', 'accept'])
self.cli_set(['firewall', 'name', name, 'rule', '6', 'packet-length', '64'])
self.cli_set(['firewall', 'name', name, 'rule', '6', 'packet-length', '512'])
self.cli_set(['firewall', 'name', name, 'rule', '6', 'packet-length', '1024'])
self.cli_set(['firewall', 'name', name, 'rule', '6', 'dscp', '17'])
self.cli_set(['firewall', 'name', name, 'rule', '6', 'dscp', '52'])
self.cli_set(['firewall', 'name', name, 'rule', '7', 'action', 'accept'])
self.cli_set(['firewall', 'name', name, 'rule', '7', 'packet-length', '1-30000'])
self.cli_set(['firewall', 'name', name, 'rule', '7', 'packet-length-exclude', '60000-65535'])
self.cli_set(['firewall', 'name', name, 'rule', '7', 'dscp', '3-11'])
self.cli_set(['firewall', 'name', name, 'rule', '7', 'dscp-exclude', '21-25'])
self.cli_set(['firewall', 'name', name2, 'default-action', 'jump'])
self.cli_set(['firewall', 'name', name2, 'default-jump-target', name])
self.cli_set(['firewall', 'name', name2, 'enable-default-log'])
self.cli_set(['firewall', 'name', name2, 'rule', '1', 'source', 'address', '198.51.100.1'])
self.cli_set(['firewall', 'name', name2, 'rule', '1', 'action', 'jump'])
self.cli_set(['firewall', 'name', name2, 'rule', '1', 'jump-target', name])
self.cli_set(['firewall', 'interface', interface, 'in', 'name', name])
self.cli_commit()
nftables_search = [
[f'iifname "{interface}"', f'jump NAME_{name}'],
['ip length { 64, 512, 1024 }', 'ip dscp { 0x11, 0x34 }', 'return'],
['ip length 1-30000', 'ip length != 60000-65535', 'ip dscp 0x03-0x0b', 'ip dscp != 0x15-0x19', 'return'],
[f'log prefix "[{name}-default-D]"', 'drop'],
['ip saddr 198.51.100.1', f'jump NAME_{name}'],
[f'log prefix "[{name2}-default-J]"', f'jump NAME_{name}']
]
self.verify_nftables(nftables_search, 'ip vyos_filter')
def test_ipv6_basic_rules(self):
name = 'v6-smoketest'
interface = 'eth0'
self.cli_set(['firewall', 'ipv6-name', name, 'default-action', 'drop'])
self.cli_set(['firewall', 'ipv6-name', name, 'enable-default-log'])
self.cli_set(['firewall', 'ipv6-name', name, 'rule', '1', 'action', 'accept'])
self.cli_set(['firewall', 'ipv6-name', name, 'rule', '1', 'source', 'address', '2002::1'])
self.cli_set(['firewall', 'ipv6-name', name, 'rule', '1', 'destination', 'address', '2002::1:1'])
self.cli_set(['firewall', 'ipv6-name', name, 'rule', '1', 'log', 'enable'])
self.cli_set(['firewall', 'ipv6-name', name, 'rule', '1', 'log-level', 'crit'])
self.cli_set(['firewall', 'ipv6-name', name, 'rule', '2', 'action', 'reject'])
self.cli_set(['firewall', 'ipv6-name', name, 'rule', '2', 'protocol', 'tcp_udp'])
self.cli_set(['firewall', 'ipv6-name', name, 'rule', '2', 'destination', 'port', '8888'])
self.cli_set(['firewall', 'interface', interface, 'in', 'ipv6-name', name])
self.cli_commit()
nftables_search = [
[f'iifname "{interface}"', f'jump NAME6_{name}'],
['saddr 2002::1', 'daddr 2002::1:1', 'log prefix "[v6-smoketest-1-A]" level crit', 'return'],
['meta l4proto { tcp, udp }', 'th dport 8888', 'reject'],
['smoketest default-action', f'log prefix "[{name}-default-D]"', 'drop']
]
self.verify_nftables(nftables_search, 'ip6 vyos_filter')
def test_ipv6_advanced(self):
name = 'v6-smoketest-adv'
name2 = 'v6-smoketest-adv2'
interface = 'eth0'
self.cli_set(['firewall', 'ipv6-name', name, 'default-action', 'drop'])
self.cli_set(['firewall', 'ipv6-name', name, 'enable-default-log'])
self.cli_set(['firewall', 'ipv6-name', name, 'rule', '3', 'action', 'accept'])
self.cli_set(['firewall', 'ipv6-name', name, 'rule', '3', 'packet-length', '65'])
self.cli_set(['firewall', 'ipv6-name', name, 'rule', '3', 'packet-length', '513'])
self.cli_set(['firewall', 'ipv6-name', name, 'rule', '3', 'packet-length', '1025'])
self.cli_set(['firewall', 'ipv6-name', name, 'rule', '3', 'dscp', '18'])
self.cli_set(['firewall', 'ipv6-name', name, 'rule', '3', 'dscp', '53'])
self.cli_set(['firewall', 'ipv6-name', name, 'rule', '4', 'action', 'accept'])
self.cli_set(['firewall', 'ipv6-name', name, 'rule', '4', 'packet-length', '1-1999'])
self.cli_set(['firewall', 'ipv6-name', name, 'rule', '4', 'packet-length-exclude', '60000-65535'])
self.cli_set(['firewall', 'ipv6-name', name, 'rule', '4', 'dscp', '4-14'])
self.cli_set(['firewall', 'ipv6-name', name, 'rule', '4', 'dscp-exclude', '31-35'])
self.cli_set(['firewall', 'ipv6-name', name2, 'default-action', 'jump'])
self.cli_set(['firewall', 'ipv6-name', name2, 'default-jump-target', name])
self.cli_set(['firewall', 'ipv6-name', name2, 'enable-default-log'])
self.cli_set(['firewall', 'ipv6-name', name2, 'rule', '1', 'source', 'address', '2001:db8::/64'])
self.cli_set(['firewall', 'ipv6-name', name2, 'rule', '1', 'action', 'jump'])
self.cli_set(['firewall', 'ipv6-name', name2, 'rule', '1', 'jump-target', name])
self.cli_set(['firewall', 'interface', interface, 'in', 'ipv6-name', name])
self.cli_commit()
nftables_search = [
[f'iifname "{interface}"', f'jump NAME6_{name}'],
['ip6 length { 65, 513, 1025 }', 'ip6 dscp { af21, 0x35 }', 'return'],
['ip6 length 1-1999', 'ip6 length != 60000-65535', 'ip6 dscp 0x04-0x0e', 'ip6 dscp != 0x1f-0x23', 'return'],
[f'log prefix "[{name}-default-D]"', 'drop'],
['ip6 saddr 2001:db8::/64', f'jump NAME6_{name}'],
[f'log prefix "[{name2}-default-J]"', f'jump NAME6_{name}']
]
self.verify_nftables(nftables_search, 'ip6 vyos_filter')
def test_state_policy(self):
self.cli_set(['firewall', 'state-policy', 'established', 'action', 'accept'])
self.cli_set(['firewall', 'state-policy', 'related', 'action', 'accept'])
self.cli_set(['firewall', 'state-policy', 'invalid', 'action', 'drop'])
self.cli_commit()
chains = {
'ip vyos_filter': ['VYOS_FW_FORWARD', 'VYOS_FW_OUTPUT', 'VYOS_FW_LOCAL'],
'ip6 vyos_filter': ['VYOS_FW6_FORWARD', 'VYOS_FW6_OUTPUT', 'VYOS_FW6_LOCAL']
}
for table in ['ip vyos_filter', 'ip6 vyos_filter']:
for chain in chains[table]:
nftables_output = cmd(f'sudo nft list chain {table} {chain}')
self.assertTrue('jump VYOS_STATE_POLICY' in nftables_output)
def test_ipv4_state_and_status_rules(self):
name = 'smoketest-state'
interface = 'eth0'
self.cli_set(['firewall', 'name', name, 'default-action', 'drop'])
self.cli_set(['firewall', 'name', name, 'rule', '1', 'action', 'accept'])
self.cli_set(['firewall', 'name', name, 'rule', '1', 'state', 'established', 'enable'])
self.cli_set(['firewall', 'name', name, 'rule', '1', 'state', 'related', 'enable'])
self.cli_set(['firewall', 'name', name, 'rule', '2', 'action', 'reject'])
self.cli_set(['firewall', 'name', name, 'rule', '2', 'state', 'invalid', 'enable'])
self.cli_set(['firewall', 'name', name, 'rule', '3', 'action', 'accept'])
self.cli_set(['firewall', 'name', name, 'rule', '3', 'state', 'new', 'enable'])
self.cli_set(['firewall', 'name', name, 'rule', '3', 'connection-status', 'nat', 'destination'])
self.cli_set(['firewall', 'name', name, 'rule', '4', 'action', 'accept'])
self.cli_set(['firewall', 'name', name, 'rule', '4', 'state', 'new', 'enable'])
self.cli_set(['firewall', 'name', name, 'rule', '4', 'state', 'established', 'enable'])
self.cli_set(['firewall', 'name', name, 'rule', '4', 'connection-status', 'nat', 'source'])
self.cli_set(['firewall', 'interface', interface, 'in', 'name', name])
self.cli_commit()
nftables_search = [
[f'iifname "{interface}"', f'jump NAME_{name}'],
['ct state { established, related }', 'return'],
['ct state invalid', 'reject'],
['ct state new', 'ct status dnat', 'return'],
['ct state { established, new }', 'ct status snat', 'return'],
['drop', f'comment "{name} default-action drop"']
]
self.verify_nftables(nftables_search, 'ip vyos_filter')
def test_sysfs(self):
for name, conf in sysfs_config.items():
paths = glob(conf['sysfs'])
for path in paths:
with open(path, 'r') as f:
self.assertEqual(f.read().strip(), conf['default'], msg=path)
self.cli_set(['firewall', name.replace("_", "-"), conf['test_value']])
self.cli_commit()
for name, conf in sysfs_config.items():
paths = glob(conf['sysfs'])
for path in paths:
with open(path, 'r') as f:
self.assertNotEqual(f.read().strip(), conf['default'], msg=path)
def test_zone_basic(self):
self.cli_set(['firewall', 'name', 'smoketest', 'default-action', 'drop'])
self.cli_set(['firewall', 'zone', 'smoketest-eth0', 'interface', 'eth0'])
self.cli_set(['firewall', 'zone', 'smoketest-eth0', 'from', 'smoketest-local', 'firewall', 'name', 'smoketest'])
self.cli_set(['firewall', 'zone', 'smoketest-local', 'local-zone'])
self.cli_set(['firewall', 'zone', 'smoketest-local', 'from', 'smoketest-eth0', 'firewall', 'name', 'smoketest'])
self.cli_commit()
nftables_search = [
['chain VZONE_smoketest-eth0'],
['chain VZONE_smoketest-local_IN'],
['chain VZONE_smoketest-local_OUT'],
['oifname "eth0"', 'jump VZONE_smoketest-eth0'],
['jump VZONE_smoketest-local_IN'],
['jump VZONE_smoketest-local_OUT'],
['iifname "eth0"', 'jump NAME_smoketest'],
['oifname "eth0"', 'jump NAME_smoketest']
]
nftables_output = cmd('sudo nft list table ip vyos_filter')
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)
if __name__ == '__main__':
unittest.main(verbosity=2)

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