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#!/usr/bin/env python3
#
# Copyright VyOS maintainers and contributors <maintainers@vyos.io>
#
# 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
import re
from vyos.configsession import ConfigSessionError
from vyos.ifconfig import Section
from vyos.utils.process import cmdl
from vyos.utils.process import process_named_running
PROCESS_NAME = 'ndppd'
NDPPD_CONF = '/run/ndppd/ndppd.conf'
base_path = ['service', 'ndp-proxy']
def getConfigSection(string=None, end=' {', endsection='^}'):
# Equivalent of: cat NDPPD_CONF | sed -n "/^{string}{end}/,/{endsection}/p"
start_pattern = re.compile(r'^' + string + re.escape(end))
end_pattern = re.compile(endsection)
content = cmdl(['cat', NDPPD_CONF])
lines = []
in_section = False
for line in content.splitlines():
if not in_section and start_pattern.search(line):
in_section = True
if in_section:
lines.append(line)
if end_pattern.search(line):
break
return '\n'.join(lines)
class TestServiceNDPProxy(VyOSUnitTestSHIM.TestCase):
@classmethod
def setUpClass(cls):
super(TestServiceNDPProxy, cls).setUpClass()
# ensure we can also run this test on a live system - so lets clean
# out the current configuration :)
cls.cli_delete(cls, base_path)
def tearDown(self):
# Check for running process
self.assertTrue(process_named_running(PROCESS_NAME))
# delete testing SSH config
self.cli_delete(base_path)
self.cli_commit()
self.assertFalse(process_named_running(PROCESS_NAME))
# always forward to base class
super().tearDown()
def test_basic(self):
interfaces = Section.interfaces('ethernet')
for interface in interfaces:
self.cli_set(base_path + ['interface', interface])
self.cli_set(base_path + ['interface', interface, 'enable-router-bit'])
self.cli_commit()
for interface in interfaces:
config = getConfigSection(f'proxy {interface}')
self.assertIn(f'proxy {interface}', config)
self.assertIn(f'router yes', config)
self.assertIn(f'timeout 500', config) # default value
self.assertIn(f'ttl 30000', config) # default value
def test_prefix_mode_interface_requires_interface(self):
interface = Section.interfaces('ethernet')[0]
prefix_path = base_path + ['interface', interface, 'prefix', '2001:db8::/64']
self.cli_set(base_path + ['interface', interface])
self.cli_commit()
self.cli_set(prefix_path + ['mode', 'interface'])
with self.assertRaises(ConfigSessionError):
self.cli_commit()
def test_prefix_mode_interface_with_interface(self):
interface = Section.interfaces('ethernet')[0]
prefix_path = base_path + ['interface', interface, 'prefix', '2001:db8::/64']
self.cli_set(base_path + ['interface', interface])
self.cli_set(prefix_path + ['mode', 'interface'])
self.cli_set(prefix_path + ['interface', interface])
self.cli_commit()
config = getConfigSection(f'proxy {interface}')
self.assertIn('rule 2001:db8::/64 {', config)
self.assertIn(f'iface {interface}', config)
def test_prefix_mode_auto_rejects_interface(self):
interface = Section.interfaces('ethernet')[0]
prefix_path = base_path + ['interface', interface, 'prefix', '2001:db8::/64']
self.cli_set(base_path + ['interface', interface])
self.cli_commit()
self.cli_set(prefix_path + ['mode', 'auto'])
self.cli_set(prefix_path + ['interface', interface])
with self.assertRaises(ConfigSessionError):
self.cli_commit()
def test_disabled_prefix_skips_validation(self):
interface = Section.interfaces('ethernet')[0]
prefix_path = base_path + ['interface', interface, 'prefix', '2001:db8::/64']
self.cli_set(base_path + ['interface', interface])
self.cli_set(prefix_path + ['mode', 'interface'])
self.cli_set(prefix_path + ['disable'])
self.cli_commit()
config = getConfigSection(f'proxy {interface}')
self.assertNotIn('rule 2001:db8::/64 {', config)
def test_disabled_interface_skips_validation(self):
interface = Section.interfaces('ethernet')[0]
prefix_path = base_path + ['interface', interface, 'prefix', '2001:db8::/64']
self.cli_set(base_path + ['interface', interface, 'disable'])
self.cli_set(prefix_path + ['mode', 'interface'])
self.cli_commit()
config = cmdl(['cat', NDPPD_CONF])
self.assertNotIn(f'proxy {interface} {{', config)
if __name__ == '__main__':
unittest.main(verbosity=2, failfast=VyOSUnitTestSHIM.TestCase.debug_on())
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