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test_service_pppoe-server.py
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test_service_pppoe-server.py
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#!/usr/bin/env python3
#
# Copyright (C) 020 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_accel_ppp_test import BasicAccelPPPTest
from configparser import ConfigParser
from vyos.configsession import ConfigSessionError
from vyos.util import process_named_running
from vyos.util import cmd
process_name = 'accel-pppd'
local_if = ['interfaces', 'dummy', 'dum667']
pppoe_conf = '/run/accel-pppd/pppoe.conf'
ac_name = 'ACN'
gateway = '192.0.2.1'
interface = 'eth0'
class TestServicePPPoEServer(BasicAccelPPPTest.BaseTest):
def setUp(self):
self._base_path = ['service', 'pppoe-server']
super().setUp()
def tearDown(self):
self.session.delete(local_if)
super().tearDown()
def verify(self, conf):
mtu = '1492'
# validate some common values in the configuration
for tmp in ['log_syslog', 'pppoe', 'chap-secrets', 'ippool',
'auth_mschap_v2', 'auth_mschap_v1', 'auth_chap_md5',
'auth_pap', 'shaper']:
# Settings without values provide None
self.assertEqual(conf['modules'][tmp], None)
# check Access Concentrator setting
self.assertTrue(conf['pppoe']['ac-name'] == ac_name)
self.assertTrue(conf['pppoe'].getboolean('verbose'))
self.assertTrue(conf['pppoe']['interface'], interface)
# check ppp
self.assertTrue(conf['ppp'].getboolean('verbose'))
self.assertTrue(conf['ppp'].getboolean('check-ip'))
self.assertEqual(conf['ppp']['mtu'], mtu)
self.assertEqual(conf['ppp']['lcp-echo-interval'], '30')
self.assertEqual(conf['ppp']['lcp-echo-timeout'], '0')
self.assertEqual(conf['ppp']['lcp-echo-failure'], '3')
super().verify(conf)
def basic_config(self):
self.session.set(local_if + ['address', '192.0.2.1/32'])
self.set(['access-concentrator', ac_name])
self.set(['interface', interface])
self.set(['local-ip', gateway])
super().basic_config()
def test_authentication_local(self):
""" Test configuration of local authentication for PPPoE server """
self.basic_config()
# other settings
self.set(['ppp-options', 'ccp'])
self.set(['ppp-options', 'mppe', 'require'])
self.set(['limits', 'connection-limit', '20/min'])
# upload / download limit
user = 'test'
password = 'test2'
static_ip = '100.100.100.101'
self.set(['authentication', 'local-users', 'username', user, 'password', password])
self.set(['authentication', 'local-users', 'username', user, 'static-ip', static_ip])
self.set(['authentication', 'local-users', 'username', user, 'rate-limit', 'upload', '5000'])
# upload rate-limit requires also download rate-limit
with self.assertRaises(ConfigSessionError):
self.session.commit()
self.set(['authentication', 'local-users', 'username', user, 'rate-limit', 'download', '10000'])
# min-mtu
min_mtu = '1400'
self.set(['ppp-options', 'min-mtu', min_mtu])
# mru
mru = '9000'
self.set(['ppp-options', 'mru', mru])
# commit changes
self.session.commit()
# Validate configuration values
conf = ConfigParser(allow_no_value=True, delimiters='=')
conf.read(pppoe_conf)
# basic verification
self.verify(conf)
# check auth
self.assertEqual(conf['chap-secrets']['chap-secrets'], '/run/accel-pppd/pppoe.chap-secrets')
self.assertEqual(conf['chap-secrets']['gw-ip-address'], gateway)
# check ppp
self.assertEqual(conf['ppp']['mppe'], 'require')
self.assertEqual(conf['ppp']['min-mtu'], min_mtu)
self.assertEqual(conf['ppp']['mru'], mru)
self.assertTrue(conf['ppp'].getboolean('ccp'))
# check other settings
self.assertEqual(conf['connlimit']['limit'], '20/min')
# check local users
tmp = cmd('sudo cat /run/accel-pppd/pppoe.chap-secrets')
regex = f'{user}\s+\*\s+{password}\s+{static_ip}\s+10000/5000'
tmp = re.findall(regex, tmp)
self.assertTrue(tmp)
# Check for running process
self.assertTrue(process_named_running(process_name))
def test_authentication_radius(self):
""" Test configuration of RADIUS authentication for PPPoE server """
radius_server = '192.0.2.22'
radius_key = 'secretVyOS'
radius_port = '2000'
radius_port_acc = '3000'
radius_acct_interim_jitter = '9'
radius_called_sid = 'ifname:mac'
self.basic_config()
self.set(['authentication', 'mode', 'radius'])
self.set(['authentication', 'radius', 'server', radius_server, 'key', radius_key])
self.set(['authentication', 'radius', 'server', radius_server, 'port', radius_port])
self.set(['authentication', 'radius', 'server', radius_server, 'acct-port', radius_port_acc])
self.set(['authentication', 'radius', 'acct-interim-jitter', radius_acct_interim_jitter])
self.set(['authentication', 'radius', 'called-sid-format', radius_called_sid])
coa_server = '4.4.4.4'
coa_key = 'testCoA'
self.set(['authentication', 'radius', 'dynamic-author', 'server', coa_server])
self.set(['authentication', 'radius', 'dynamic-author', 'key', coa_key])
nas_id = 'VyOS-PPPoE'
nas_ip = '7.7.7.7'
self.set(['authentication', 'radius', 'nas-identifier', nas_id])
self.set(['authentication', 'radius', 'nas-ip-address', nas_ip])
source_address = '1.2.3.4'
self.set(['authentication', 'radius', 'source-address', source_address])
# commit changes
self.session.commit()
# Validate configuration values
conf = ConfigParser(allow_no_value=True, delimiters='=')
conf.read(pppoe_conf)
# basic verification
self.verify(conf)
# check auth
self.assertTrue(conf['radius'].getboolean('verbose'))
self.assertEqual(conf['radius']['acct-timeout'], '3')
self.assertEqual(conf['radius']['timeout'], '3')
self.assertEqual(conf['radius']['max-try'], '3')
self.assertEqual(conf['radius']['gw-ip-address'], gateway)
self.assertEqual(conf['radius']['acct-interim-jitter'], radius_acct_interim_jitter)
self.assertEqual(conf['radius']['called-sid'], radius_called_sid)
self.assertEqual(conf['radius']['dae-server'], f'{coa_server}:1700,{coa_key}')
self.assertEqual(conf['radius']['nas-identifier'], nas_id)
self.assertEqual(conf['radius']['nas-ip-address'], nas_ip)
self.assertEqual(conf['radius']['bind'], source_address)
server = conf['radius']['server'].split(',')
self.assertEqual(radius_server, server[0])
self.assertEqual(radius_key, server[1])
self.assertEqual(f'auth-port={radius_port}', server[2])
self.assertEqual(f'acct-port={radius_port_acc}', server[3])
self.assertEqual(f'req-limit=0', server[4])
self.assertEqual(f'fail-time=0', server[5])
# check defaults
self.assertEqual(conf['ppp']['mppe'], 'prefer')
self.assertFalse(conf['ppp'].getboolean('ccp'))
# Check for running process
self.assertTrue(process_named_running(process_name))
def test_authentication_protocols(self):
""" Test configuration of local authentication for PPPoE server """
self.basic_config()
# explicitly test mschap-v2 - no special reason
self.set( ['authentication', 'protocols', 'mschap-v2'])
# commit changes
self.session.commit()
# Validate configuration values
conf = ConfigParser(allow_no_value=True)
conf.read(pppoe_conf)
self.assertEqual(conf['modules']['auth_mschap_v2'], None)
# Check for running process
self.assertTrue(process_named_running(process_name))
def test_client_ip_pool(self):
""" Test configuration of IPv6 client pools """
self.basic_config()
subnet = '172.18.0.0/24'
self.set(['client-ip-pool', 'subnet', subnet])
start = '192.0.2.10'
stop = '192.0.2.20'
start_stop = f'{start}-{stop}'
self.set(['client-ip-pool', 'start', start])
self.set(['client-ip-pool', 'stop', stop])
# commit changes
self.session.commit()
# Validate configuration values
conf = ConfigParser(allow_no_value=True)
conf.read(pppoe_conf)
# check configured subnet
self.assertEqual(conf['ip-pool'][subnet], None)
self.assertEqual(conf['ip-pool'][start_stop], None)
self.assertEqual(conf['ip-pool']['gw-ip-address'], gateway)
def test_client_ipv6_pool(self):
""" Test configuration of IPv6 client pools """
self.basic_config()
# Enable IPv6
allow_ipv6 = 'allow'
random = 'random'
self.set(['ppp-options', 'ipv6', allow_ipv6])
self.set(['ppp-options', 'ipv6-intf-id', random])
self.set(['ppp-options', 'ipv6-accept-peer-intf-id'])
self.set(['ppp-options', 'ipv6-peer-intf-id', random])
prefix = '2001:db8:ffff::/64'
prefix_mask = '128'
client_prefix = f'{prefix},{prefix_mask}'
self.set(['client-ipv6-pool', 'prefix', prefix, 'mask', prefix_mask])
delegate_prefix = '2001:db8::/40'
delegate_mask = '56'
self.set(['client-ipv6-pool', 'delegate', delegate_prefix, 'delegation-prefix', delegate_mask])
# commit changes
self.session.commit()
# Validate configuration values
conf = ConfigParser(allow_no_value=True, delimiters='=')
conf.read(pppoe_conf)
for tmp in ['ipv6pool', 'ipv6_nd', 'ipv6_dhcp']:
self.assertEqual(conf['modules'][tmp], None)
self.assertEqual(conf['ppp']['ipv6'], allow_ipv6)
self.assertEqual(conf['ppp']['ipv6-intf-id'], random)
self.assertEqual(conf['ppp']['ipv6-peer-intf-id'], random)
self.assertTrue(conf['ppp'].getboolean('ipv6-accept-peer-intf-id'))
self.assertEqual(conf['ipv6-pool'][client_prefix], None)
self.assertEqual(conf['ipv6-pool']['delegate'], f'{delegate_prefix},{delegate_mask}')
# Check for running process
self.assertTrue(process_named_running(process_name))
if __name__ == '__main__':
unittest.main()

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