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test_template.py
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#!/usr/bin/env python3
#
# Copyright (C) 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 vyos.template
from unittest import TestCase
class TestVyOSTemplate(TestCase):
def setUp(self):
pass
def test_is_interface(self):
for interface in ['lo', 'eth0']:
if os.path.exists(f'/sys/class/net/{interface}'):
self.assertTrue(vyos.template.is_interface(interface))
else:
self.assertFalse(vyos.template.is_interface(interface))
self.assertFalse(vyos.template.is_interface('non-existent'))
def test_is_ip(self):
self.assertTrue(vyos.template.is_ip('192.0.2.1'))
self.assertTrue(vyos.template.is_ip('2001:db8::1'))
self.assertFalse(vyos.template.is_ip('VyOS'))
def test_is_ipv4(self):
self.assertTrue(vyos.template.is_ipv4('192.0.2.1'))
self.assertTrue(vyos.template.is_ipv4('192.0.2.0/24'))
self.assertTrue(vyos.template.is_ipv4('192.0.2.1/32'))
self.assertFalse(vyos.template.is_ipv4('2001:db8::1'))
self.assertFalse(vyos.template.is_ipv4('2001:db8::/64'))
self.assertFalse(vyos.template.is_ipv4('VyOS'))
def test_is_ipv6(self):
self.assertTrue(vyos.template.is_ipv6('2001:db8::1'))
self.assertTrue(vyos.template.is_ipv6('2001:db8::/64'))
self.assertTrue(vyos.template.is_ipv6('2001:db8::1/64'))
self.assertFalse(vyos.template.is_ipv6('192.0.2.1'))
self.assertFalse(vyos.template.is_ipv6('192.0.2.0/24'))
self.assertFalse(vyos.template.is_ipv6('192.0.2.1/32'))
self.assertFalse(vyos.template.is_ipv6('VyOS'))
def test_address_from_cidr(self):
self.assertEqual(vyos.template.address_from_cidr('192.0.2.0/24'), '192.0.2.0')
self.assertEqual(vyos.template.address_from_cidr('2001:db8::/48'), '2001:db8::')
with self.assertRaises(ValueError):
# ValueError: 192.0.2.1/24 has host bits set
self.assertEqual(vyos.template.address_from_cidr('192.0.2.1/24'), '192.0.2.1')
with self.assertRaises(ValueError):
# ValueError: 2001:db8::1/48 has host bits set
self.assertEqual(vyos.template.address_from_cidr('2001:db8::1/48'), '2001:db8::1')
def test_netmask_from_cidr(self):
self.assertEqual(vyos.template.netmask_from_cidr('192.0.2.0/24'), '255.255.255.0')
self.assertEqual(vyos.template.netmask_from_cidr('192.0.2.128/25'), '255.255.255.128')
self.assertEqual(vyos.template.netmask_from_cidr('2001:db8::/48'), 'ffff:ffff:ffff::')
with self.assertRaises(ValueError):
# ValueError: 192.0.2.1/24 has host bits set
self.assertEqual(vyos.template.netmask_from_cidr('192.0.2.1/24'), '255.255.255.0')
with self.assertRaises(ValueError):
# ValueError: 2001:db8:1:/64 has host bits set
self.assertEqual(vyos.template.netmask_from_cidr('2001:db8:1:/64'), 'ffff:ffff:ffff:ffff::')
def test_first_host_address(self):
self.assertEqual(vyos.template.first_host_address('10.0.0.0/24'), '10.0.0.1')
self.assertEqual(vyos.template.first_host_address('10.0.0.128/25'), '10.0.0.129')
self.assertEqual(vyos.template.first_host_address('2001:db8::/64'), '2001:db8::')
def test_last_host_address(self):
self.assertEqual(vyos.template.last_host_address('10.0.0.0/24'), '10.0.0.254')
self.assertEqual(vyos.template.last_host_address('10.0.0.128/25'), '10.0.0.254')
self.assertEqual(vyos.template.last_host_address('2001:db8::/64'), '2001:db8::ffff:ffff:ffff:ffff')
def test_increment_ip(self):
self.assertEqual(vyos.template.inc_ip('10.0.0.0/24', '2'), '10.0.0.2')
self.assertEqual(vyos.template.inc_ip('10.0.0.0', '2'), '10.0.0.2')
self.assertEqual(vyos.template.inc_ip('10.0.0.0', '10'), '10.0.0.10')
self.assertEqual(vyos.template.inc_ip('2001:db8::/64', '2'), '2001:db8::2')
self.assertEqual(vyos.template.inc_ip('2001:db8::', '10'), '2001:db8::a')
def test_decrement_ip(self):
self.assertEqual(vyos.template.dec_ip('10.0.0.100/24', '1'), '10.0.0.99')
self.assertEqual(vyos.template.dec_ip('10.0.0.90', '10'), '10.0.0.80')
self.assertEqual(vyos.template.dec_ip('2001:db8::b/64', '10'), '2001:db8::1')
self.assertEqual(vyos.template.dec_ip('2001:db8::f', '5'), '2001:db8::a')
def test_is_network(self):
self.assertFalse(vyos.template.is_ip_network('192.0.2.0'))
self.assertFalse(vyos.template.is_ip_network('192.0.2.1/24'))
self.assertTrue(vyos.template.is_ip_network('192.0.2.0/24'))
self.assertFalse(vyos.template.is_ip_network('2001:db8::'))
self.assertFalse(vyos.template.is_ip_network('2001:db8::ffff'))
self.assertTrue(vyos.template.is_ip_network('2001:db8::/48'))
self.assertTrue(vyos.template.is_ip_network('2001:db8:1000::/64'))
def test_is_network(self):
self.assertTrue(vyos.template.compare_netmask('10.0.0.0/8', '20.0.0.0/8'))
self.assertTrue(vyos.template.compare_netmask('10.0.0.0/16', '20.0.0.0/16'))
self.assertFalse(vyos.template.compare_netmask('10.0.0.0/8', '20.0.0.0/16'))
self.assertFalse(vyos.template.compare_netmask('10.0.0.1', '20.0.0.0/16'))
self.assertTrue(vyos.template.compare_netmask('2001:db8:1000::/48', '2001:db8:2000::/48'))
self.assertTrue(vyos.template.compare_netmask('2001:db8:1000::/64', '2001:db8:2000::/64'))
self.assertFalse(vyos.template.compare_netmask('2001:db8:1000::/48', '2001:db8:2000::/64'))
def test_cipher_to_string(self):
ESP_DEFAULT = 'aes256gcm128-sha256-ecp256,aes128ccm64-sha256-ecp256'
IKEv2_DEFAULT = 'aes256gcm128-sha256-ecp256,aes128ccm128-md5_128-modp1024'
data = {
'esp_group': {
'ESP_DEFAULT': {
'compression': 'disable',
'lifetime': '3600',
'mode': 'tunnel',
'pfs': 'dh-group19',
'proposal': {
'10': {
'encryption': 'aes256gcm128',
'hash': 'sha256',
},
'20': {
'encryption': 'aes128ccm64',
'hash': 'sha256',
}
}
}
},
'ike_group': {
'IKEv2_DEFAULT': {
'close_action': 'none',
'dead_peer_detection': {
'action': 'hold',
'interval': '30',
'timeout': '120'
},
'ikev2_reauth': 'no',
'key_exchange': 'ikev2',
'lifetime': '10800',
'mobike': 'disable',
'proposal': {
'10': {
'dh_group': '19',
'encryption': 'aes256gcm128',
'hash': 'sha256'
},
'20': {
'dh_group': '2',
'encryption': 'aes128ccm128',
'hash': 'md5_128'
},
}
}
},
}
for group_name, group_config in data['esp_group'].items():
ciphers = vyos.template.get_esp_ike_cipher(group_config)
self.assertIn(ESP_DEFAULT, ','.join(ciphers))
for group_name, group_config in data['ike_group'].items():
ciphers = vyos.template.get_esp_ike_cipher(group_config)
self.assertIn(IKEv2_DEFAULT, ','.join(ciphers))

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