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#!/usr/bin/env python3
#
# Copyright (C) 2019-2020 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 vyos.configsession import ConfigSession
from vyos.configsession import ConfigSessionError
from vyos.template import is_ipv4
from vyos.util import read_file
from vyos.util import process_named_running
PROCESS_NAME = 'snmpd'
SNMPD_CONF = '/etc/snmp/snmpd.conf'
base_path = ['service', 'snmp']
def get_config_value(key):
tmp = read_file(SNMPD_CONF)
tmp = re.findall(r'\n?{}\s+(.*)'.format(key), tmp)
return tmp[0]
class TestSNMPService(unittest.TestCase):
def setUp(self):
self.session = ConfigSession(os.getpid())
# ensure we can also run this test on a live system - so lets clean
# out the current configuration :)
self.session.delete(base_path)
def tearDown(self):
del self.session
def test_snmp_basic(self):
# Check if SNMP can be configured and service runs
clients = ['192.0.2.1', '2001:db8::1']
networks = ['192.0.2.128/25', '2001:db8:babe::/48']
listen = ['127.0.0.1', '::1']
for auth in ['ro', 'rw']:
community = 'VyOS' + auth
self.session.set(base_path + ['community', community, 'authorization', auth])
for client in clients:
self.session.set(base_path + ['community', community, 'client', client])
for network in networks:
self.session.set(base_path + ['community', community, 'network', network])
for addr in listen:
self.session.set(base_path + ['listen-address', addr])
self.session.set(base_path + ['contact', 'maintainers@vyos.io'])
self.session.set(base_path + ['location', 'qemu'])
self.session.commit()
# verify listen address, it will be returned as
# ['unix:/run/snmpd.socket,udp:127.0.0.1:161,udp6:[::1]:161']
# thus we need to transfor this into a proper list
config = get_config_value('agentaddress')
expected = 'unix:/run/snmpd.socket'
for addr in listen:
if is_ipv4(addr):
expected += ',udp:{}:161'.format(addr)
else:
expected += ',udp6:[{}]:161'.format(addr)
self.assertTrue(expected in config)
# Check for running process
self.assertTrue(process_named_running(PROCESS_NAME))
def test_snmpv3_sha(self):
# Check if SNMPv3 can be configured with SHA authentication
# and service runs
self.session.set(base_path + ['v3', 'engineid', '000000000000000000000002'])
self.session.set(base_path + ['v3', 'group', 'default', 'mode', 'ro'])
# check validate() - a view must be created before this can be comitted
with self.assertRaises(ConfigSessionError):
self.session.commit()
self.session.set(base_path + ['v3', 'view', 'default', 'oid', '1'])
self.session.set(base_path + ['v3', 'group', 'default', 'view', 'default'])
# create user
self.session.set(base_path + ['v3', 'user', 'vyos', 'auth', 'plaintext-password', 'vyos12345678'])
self.session.set(base_path + ['v3', 'user', 'vyos', 'auth', 'type', 'sha'])
self.session.set(base_path + ['v3', 'user', 'vyos', 'privacy', 'plaintext-password', 'vyos12345678'])
self.session.set(base_path + ['v3', 'user', 'vyos', 'privacy', 'type', 'aes'])
self.session.set(base_path + ['v3', 'user', 'vyos', 'group', 'default'])
self.session.commit()
# commit will alter the CLI values - check if they have been updated:
hashed_password = '4e52fe55fd011c9c51ae2c65f4b78ca93dcafdfe'
tmp = self.session.show_config(base_path + ['v3', 'user', 'vyos', 'auth', 'encrypted-password']).split()[1]
self.assertEqual(tmp, hashed_password)
tmp = self.session.show_config(base_path + ['v3', 'user', 'vyos', 'privacy', 'encrypted-password']).split()[1]
self.assertEqual(tmp, hashed_password)
# TODO: read in config file and check values
# Check for running process
self.assertTrue(process_named_running(PROCESS_NAME))
def test_snmpv3_md5(self):
# Check if SNMPv3 can be configured with MD5 authentication
# and service runs
self.session.set(base_path + ['v3', 'engineid', '000000000000000000000002'])
self.session.set(base_path + ['v3', 'group', 'default', 'mode', 'ro'])
# check validate() - a view must be created before this can be comitted
with self.assertRaises(ConfigSessionError):
self.session.commit()
self.session.set(base_path + ['v3', 'view', 'default', 'oid', '1'])
self.session.set(base_path + ['v3', 'group', 'default', 'view', 'default'])
# create user
self.session.set(base_path + ['v3', 'user', 'vyos', 'auth', 'plaintext-password', 'vyos12345678'])
self.session.set(base_path + ['v3', 'user', 'vyos', 'auth', 'type', 'md5'])
self.session.set(base_path + ['v3', 'user', 'vyos', 'privacy', 'plaintext-password', 'vyos12345678'])
self.session.set(base_path + ['v3', 'user', 'vyos', 'privacy', 'type', 'des'])
self.session.set(base_path + ['v3', 'user', 'vyos', 'group', 'default'])
self.session.commit()
# commit will alter the CLI values - check if they have been updated:
hashed_password = '4c67690d45d3dfcd33d0d7e308e370ad'
tmp = self.session.show_config(base_path + ['v3', 'user', 'vyos', 'auth', 'encrypted-password']).split()[1]
self.assertEqual(tmp, hashed_password)
tmp = self.session.show_config(base_path + ['v3', 'user', 'vyos', 'privacy', 'encrypted-password']).split()[1]
self.assertEqual(tmp, hashed_password)
# TODO: read in config file and check values
# Check for running process
self.assertTrue(process_named_running(PROCESS_NAME))
if __name__ == '__main__':
unittest.main(verbosity=2)
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