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openuds/server/tests/core/util/test_net.py
2024-10-09 17:06:13 +02:00

209 lines
8.2 KiB
Python

# -*- coding: utf-8 -*-
#
# Copyright (c) 2022 Virtual Cable S.L.U.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
# * Neither the name of Virtual Cable S.L.U. nor the names of its contributors
# may be used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""
Author: Adolfo Gómez, dkmaster at dkmon dot com
"""
import ipaddress
import logging
from ...utils.test import UDSTestCase
from uds.core.util import net
logger = logging.getLogger(__name__)
class NetTest(UDSTestCase):
def test_network_from_string_ipv4(self) -> None:
for n in (
('*', 0, 4294967295),
('192.168.0.1', 3232235521, 3232235521),
('192.168.0.*', 3232235520, 3232235775),
('192.168.*.*', 3232235520, 3232301055),
('192.168.*', 3232235520, 3232301055),
('192.*.*.*', 3221225472, 3238002687),
('192.*.*', 3221225472, 3238002687),
('192.*', 3221225472, 3238002687),
('192.168.0.1 netmask 255.255.255.0', 3232235520, 3232235775),
('192.168.0.1/8', 3221225472, 3238002687),
('192.168.0.1/28', 3232235520, 3232235535),
('192.168.0.1-192.168.0.87', 3232235521, 3232235607),
('192.168.0.1 netmask 255.255.255.0', 3232235520, 3232235775),
):
multiple_net: list[net.NetworkType] = net.networks_from_str(n[0])
self.assertEqual(
len(multiple_net),
1,
'Incorrect number of network returned from {0}'.format(n[0]),
)
self.assertEqual(
multiple_net[0][0],
n[1],
'Incorrect network start value for {0}'.format(n[0]),
)
self.assertEqual(
multiple_net[0][1],
n[2],
'Incorrect network end value for {0}'.format(n[0]),
)
single_net: net.NetworkType = net.network_from_str(n[0])
self.assertEqual(
len(single_net),
3,
'Incorrect number of network returned from {0}'.format(n[0]),
)
self.assertEqual(
single_net[0],
n[1],
'Incorrect network start value for {0}'.format(n[0]),
)
self.assertEqual(
single_net[1],
n[2],
'Incorrect network end value for {0}'.format(n[0]),
)
for n1 in ('192.168.0', '192.168.0.5-192.168.0.3', 'no net'):
with self.assertRaises(ValueError):
net.networks_from_str(n1, check_mode=True)
self.assertEqual(net.ip_to_long('192.168.0.5').ip, 3232235525)
self.assertEqual(net.long_to_ip(3232235525, 4), '192.168.0.5')
for n2 in range(0, 255):
self.assertTrue(net.contains('192.168.0.0/24', '192.168.0.{}'.format(n2)))
for n3 in range(4294):
self.assertTrue(net.contains([net.NetworkType(0, 4294967295, 4)], n3 * 1000))
self.assertTrue(net.contains(net.NetworkType(0, 4294967295, 4), n3 * 1000))
def test_network_from_string_ipv6(self) -> None:
# IPv6 only support standard notation, and '*', but not "netmask" or "range"
for n in (
(
'*',
0,
2**128 - 1,
), # This could be confused with ipv4 *, so we take care
(
'2001:db8::1',
42540766411282592856903984951653826561,
42540766411282592856903984951653826561,
),
(
'2001:db8::1/64',
42540766411282592856903984951653826560,
42540766411282592875350729025363378175,
),
(
'2001:db8::1/28',
42540765777457292742789284203302223872,
42540767045107892971018685700005429247,
),
(
'2222:3333:4444:5555:6666:7777:8888:9999/64',
45371328414530988873481865147602436096,
45371328414530988891928609221311987711,
),
(
'fe80::/10',
338288524927261089654018896841347694592,
338620831926207318622244848606417780735,
),
):
multiple_net: list[net.NetworkType] = net.networks_from_str(n[0], version=(6 if n[0] == '*' else 0))
self.assertEqual(
len(multiple_net),
1,
'Incorrect number of network returned from {0}'.format(n[0]),
)
self.assertEqual(
multiple_net[0][0],
n[1],
'Incorrect network start value for {0}'.format(n[0]),
)
self.assertEqual(
multiple_net[0][1],
n[2],
'Incorrect network end value for {0}'.format(n[0]),
)
single_net: net.NetworkType = net.network_from_str(n[0], version=(6 if n[0] == '*' else 0))
self.assertEqual(
len(single_net),
3,
'Incorrect number of network returned from {0}'.format(n[0]),
)
self.assertEqual(
single_net[0],
n[1],
'Incorrect network start value for {0}'.format(n[0]),
)
self.assertEqual(
single_net[1],
n[2],
'Incorrect network end value for {0}'.format(n[0]),
)
def test_ip_to_long(self) -> None:
for i in range(32):
ipv4 = f'192.168.{i}.{i*2}'
ipv4_num = int(ipaddress.IPv4Address(ipv4))
ipv6 = f'2001:{0xdb8+i:04x}::{i:02x}'
ipv6_num = int(ipaddress.IPv6Address(ipv6))
self.assertEqual(net.ip_to_long(ipv4).ip, ipv4_num)
self.assertEqual(net.ip_to_long(ipv4).version, 4)
self.assertEqual(net.ip_to_long(f'::ffff:{ipv4}').ip, ipv4_num)
self.assertEqual(net.ip_to_long(f'::ffff:{ipv4}').version, 4)
self.assertEqual(net.ip_to_long(ipv6).ip, ipv6_num)
self.assertEqual(net.ip_to_long(ipv6).version, 6)
# Test some ip conversions from long to ip and viceversa
for a in ('172', '192', '10'):
for b in range(0, 256, 17):
for ipv6 in range(0, 256, 13):
for d in range(0, 256, 11):
ipv4 = '{0}.{1}.{2}.{3}'.format(a, b, ipv6, d)
self.assertEqual(net.long_to_ip(net.ip_to_long(ipv4).ip, 4), ipv4)
# iterate some ipv6 addresses
for ipv6 in (
'2001:db8::1',
'2001:1::1',
'2001:2:3::1',
'2001:2:3:4::1',
'2001:2:3:4:5::1',
'2001:2:3:4:5:6:0:1',
):
# Ensure converting back to string ips works
self.assertEqual(net.long_to_ip(net.ip_to_long(ipv6).ip, 6), ipv6)