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#!/usr/bin/env python3
#
# Copyright (C) 2020-2023 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 re
import unittest
from base_interfaces_test import BasicInterfaceTest
from glob import glob
from vyos.configsession import ConfigSessionError
from vyos.utils.process import process_named_running
from vyos.utils.kernel import check_kmod
from vyos.utils.file import read_file
from vyos.xml_ref import default_value
def get_config_value(interface, key):
tmp = read_file(f'/run/hostapd/{interface}.conf')
tmp = re.findall(f'{key}=+(.*)', tmp)
return tmp[0]
wifi_cc_path = ['system', 'wireless', 'country-code']
class WirelessInterfaceTest(BasicInterfaceTest.TestCase):
@classmethod
def setUpClass(cls):
cls._base_path = ['interfaces', 'wireless']
cls._options = {
'wlan0': ['physical-device phy0',
'ssid VyOS-WIFI-0',
'type station',
'address 192.0.2.1/30'],
'wlan1': ['physical-device phy0',
'ssid VyOS-WIFI-1',
'type access-point',
'address 192.0.2.5/30',
'channel 0'],
'wlan10': ['physical-device phy1',
'ssid VyOS-WIFI-2',
'type station',
'address 192.0.2.9/30'],
'wlan11': ['physical-device phy1',
'ssid VyOS-WIFI-3',
'type access-point',
'address 192.0.2.13/30',
'channel 0'],
}
cls._interfaces = list(cls._options)
# call base-classes classmethod
super(WirelessInterfaceTest, cls).setUpClass()
# T5245 - currently testcases are disabled
cls._test_ipv6 = False
cls._test_vlan = False
cls.cli_set(cls, wifi_cc_path + ['es'])
def test_wireless_add_single_ip_address(self):
# derived method to check if member interfaces are enslaved properly
super().test_add_single_ip_address()
for option, option_value in self._options.items():
if 'type access-point' in option_value:
# Check for running process
self.assertTrue(process_named_running('hostapd'))
elif 'type station' in option_value:
# Check for running process
self.assertTrue(process_named_running('wpa_supplicant'))
else:
self.assertTrue(False)
def test_wireless_hostapd_config(self):
# Only set the hostapd (access-point) options
interface = 'wlan0'
ssid = 'ssid'
self.cli_set(self._base_path + [interface, 'ssid', ssid])
self.cli_set(self._base_path + [interface, 'type', 'access-point'])
# auto-powersave is special
self.cli_set(self._base_path + [interface, 'capabilities', 'ht', 'auto-powersave'])
ht_opt = {
# VyOS CLI option hostapd - ht_capab setting
'40mhz-incapable' : '[40-INTOLERANT]',
'delayed-block-ack' : '[DELAYED-BA]',
'greenfield' : '[GF]',
'ldpc' : '[LDPC]',
'lsig-protection' : '[LSIG-TXOP-PROT]',
'channel-set-width ht40+' : '[HT40+]',
'stbc tx' : '[TX-STBC]',
'stbc rx 123' : '[RX-STBC-123]',
'max-amsdu 7935' : '[MAX-AMSDU-7935]',
'smps static' : '[SMPS-STATIC]',
}
for key in ht_opt:
self.cli_set(self._base_path + [interface, 'capabilities', 'ht'] + key.split())
vht_opt = {
# VyOS CLI option hostapd - ht_capab setting
'channel-set-width 3' : '[VHT160-80PLUS80]',
'stbc tx' : '[TX-STBC-2BY1]',
'stbc rx 12' : '[RX-STBC-12]',
'ldpc' : '[RXLDPC]',
'tx-powersave' : '[VHT-TXOP-PS]',
'vht-cf' : '[HTC-VHT]',
'antenna-pattern-fixed' : '[RX-ANTENNA-PATTERN][TX-ANTENNA-PATTERN]',
'max-mpdu 11454' : '[MAX-MPDU-11454]',
'max-mpdu-exp 2' : '[MAX-A-MPDU-LEN-EXP-2]',
'link-adaptation both' : '[VHT-LINK-ADAPT3]',
'short-gi 80' : '[SHORT-GI-80]',
'short-gi 160' : '[SHORT-GI-160]',
}
for key in vht_opt:
self.cli_set(self._base_path + [interface, 'capabilities', 'vht'] + key.split())
self.cli_commit()
#
# Validate Config
#
tmp = get_config_value(interface, 'interface')
self.assertEqual(interface, tmp)
# ssid
tmp = get_config_value(interface, 'ssid')
self.assertEqual(ssid, tmp)
# channel
tmp = get_config_value(interface, 'channel')
cli_default = default_value(self._base_path + [interface, 'channel'])
self.assertEqual(cli_default, tmp)
# auto-powersave is special
tmp = get_config_value(interface, 'uapsd_advertisement_enabled')
self.assertEqual('1', tmp)
tmp = get_config_value(interface, 'ht_capab')
for key, value in ht_opt.items():
self.assertIn(value, tmp)
tmp = get_config_value(interface, 'vht_capab')
for key, value in vht_opt.items():
self.assertIn(value, tmp)
# Check for running process
self.assertTrue(process_named_running('hostapd'))
def test_wireless_hostapd_wpa_config(self):
# Only set the hostapd (access-point) options
interface = 'wlan0'
phy = 'phy0'
ssid = 'VyOS-SMOKETEST'
channel = '1'
wpa_key = 'VyOSVyOSVyOS'
mode = 'n'
country = 'de'
self.cli_set(self._base_path + [interface, 'physical-device', phy])
self.cli_set(self._base_path + [interface, 'type', 'access-point'])
self.cli_set(self._base_path + [interface, 'mode', mode])
# Country-Code must be set
self.cli_delete(wifi_cc_path)
with self.assertRaises(ConfigSessionError):
self.cli_commit()
self.cli_set(wifi_cc_path + [country])
# SSID must be set
with self.assertRaises(ConfigSessionError):
self.cli_commit()
self.cli_set(self._base_path + [interface, 'ssid', ssid])
# Channel must be set
self.cli_set(self._base_path + [interface, 'channel', channel])
self.cli_set(self._base_path + [interface, 'security', 'wpa', 'mode', 'wpa2'])
self.cli_set(self._base_path + [interface, 'security', 'wpa', 'passphrase', wpa_key])
self.cli_commit()
#
# Validate Config
#
tmp = get_config_value(interface, 'interface')
self.assertEqual(interface, tmp)
tmp = get_config_value(interface, 'hw_mode')
# rewrite special mode
if mode == 'n': mode = 'g'
self.assertEqual(mode, tmp)
# WPA key
tmp = get_config_value(interface, 'wpa')
self.assertEqual('2', tmp)
tmp = get_config_value(interface, 'wpa_passphrase')
self.assertEqual(wpa_key, tmp)
# SSID
tmp = get_config_value(interface, 'ssid')
self.assertEqual(ssid, tmp)
# channel
tmp = get_config_value(interface, 'channel')
self.assertEqual(channel, tmp)
# Country code
tmp = get_config_value(interface, 'country_code')
self.assertEqual(country.upper(), tmp)
# Check for running process
self.assertTrue(process_named_running('hostapd'))
def test_wireless_access_point_bridge(self):
interface = 'wlan0'
ssid = 'VyOS-Test'
bridge = 'br42477'
# We need a bridge where we can hook our access-point interface to
bridge_path = ['interfaces', 'bridge', bridge]
self.cli_set(bridge_path + ['member', 'interface', interface])
self.cli_set(self._base_path + [interface, 'ssid', ssid])
self.cli_set(self._base_path + [interface, 'type', 'access-point'])
self.cli_commit()
# Check for running process
self.assertTrue(process_named_running('hostapd'))
bridge_members = []
for tmp in glob(f'/sys/class/net/{bridge}/lower_*'):
bridge_members.append(os.path.basename(tmp).replace('lower_', ''))
self.assertIn(interface, bridge_members)
# Now generate a VLAN on the bridge
self.cli_set(bridge_path + ['enable-vlan'])
self.cli_set(bridge_path + ['vif', '20', 'address', '10.0.0.1/24'])
self.cli_commit()
tmp = get_config_value(interface, 'bridge')
self.assertEqual(tmp, bridge)
tmp = get_config_value(interface, 'wds_sta')
self.assertEqual(tmp, '1')
self.cli_delete(bridge_path)
def test_wireless_security_station_address(self):
interface = 'wlan0'
ssid = 'VyOS-ACL'
hostapd_accept_station_conf = f'/run/hostapd/{interface}_station_accept.conf'
hostapd_deny_station_conf = f'/run/hostapd/{interface}_station_deny.conf'
accept_mac = ['00:00:00:00:ac:01', '00:00:00:00:ac:02', '00:00:00:00:ac:03', '00:00:00:00:ac:04']
deny_mac = ['00:00:00:00:de:01', '00:00:00:00:de:02', '00:00:00:00:de:03', '00:00:00:00:de:04']
self.cli_set(self._base_path + [interface, 'ssid', ssid])
self.cli_set(self._base_path + [interface, 'type', 'access-point'])
self.cli_set(self._base_path + [interface, 'security', 'station-address', 'mode', 'accept'])
for mac in accept_mac:
self.cli_set(self._base_path + [interface, 'security', 'station-address', 'accept', 'mac', mac])
for mac in deny_mac:
self.cli_set(self._base_path + [interface, 'security', 'station-address', 'deny', 'mac', mac])
self.cli_commit()
# in accept mode all addresses are allowed unless specified in the deny list
tmp = get_config_value(interface, 'macaddr_acl')
self.assertEqual(tmp, '0')
accept_list = read_file(hostapd_accept_station_conf)
for mac in accept_mac:
self.assertIn(mac, accept_list)
deny_list = read_file(hostapd_deny_station_conf)
for mac in deny_mac:
self.assertIn(mac, deny_list)
# Switch mode accept -> deny
self.cli_set(self._base_path + [interface, 'security', 'station-address', 'mode', 'deny'])
self.cli_commit()
# In deny mode all addresses are denied unless specified in the allow list
tmp = get_config_value(interface, 'macaddr_acl')
self.assertEqual(tmp, '1')
# Check for running process
self.assertTrue(process_named_running('hostapd'))
if __name__ == '__main__':
check_kmod('mac80211_hwsim')
unittest.main(verbosity=2, failfast=True)
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