openstack/os-ken
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bf639392f3dea7909792e257b8b65234dc5210a1
os-ken/os_ken/tests/unit/packet/test_bfd.py
Takashi Kajinami 0309145258 Bump hacking 
hacking 3.2.x is quite old. Bump it to the version currently used by
neutron.

Change-Id: I69b4633b46a84d9dd7c6995a76379cf1072a304c
2024-09-20 00:03:41 +00:00

320 lines
13 KiB
Python
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# Copyright (C) 2014 Xinguard, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import unittest
import logging
import struct
import inspect
from os_ken.ofproto import ether
from os_ken.ofproto import inet
from os_ken.lib.packet import packet
from os_ken.lib.packet import ethernet
from os_ken.lib.packet import ipv4
from os_ken.lib.packet import udp
from os_ken.lib.packet import bfd
from os_ken.lib import addrconv
LOG = logging.getLogger(__name__)
class TestBFD(unittest.TestCase):
def setUp(self):
# BFD packet without authentication.
self.data = b'\xb0\xa8\x6e\x18\xb8\x08\x64\x87' \
+ b'\x88\xe9\xcb\xc8\x08\x00\x45\xc0' \
+ b'\x00\x34\x68\x49\x00\x00\xff\x11' \
+ b'\xf4\x73\xac\x1c\x03\x01\xac\x1c' \
+ b'\x03\x02\xc0\x00\x0e\xc8\x00\x20' \
+ b'\xd9\x02\x21\xc0\x03\x18\x00\x00' \
+ b'\x00\x06\x00\x00\x00\x07\x00\x00' \
+ b'\xea\x60\x00\x00\xea\x60\x00\x00' \
+ b'\x00\x00'
# BFD packet using simple password authentication.
self.data_auth_simple = b'\x08\x00\x27\xd1\x95\x7c\x08\x00' \
+ b'\x27\xed\x54\x41\x08\x00\x45\xc0' \
+ b'\x00\x3d\x0c\x90\x00\x00\xff\x11' \
+ b'\xbb\x0b\xc0\xa8\x39\x02\xc0\xa8' \
+ b'\x39\x01\xc0\x00\x0e\xc8\x00\x29' \
+ b'\x46\x35\x20\x44\x03\x21\x00\x00' \
+ b'\x00\x01\x00\x00\x00\x00\x00\x0f' \
+ b'\x42\x40\x00\x0f\x42\x40\x00\x00' \
+ b'\x00\x00\x01\x09\x02\x73\x65\x63' \
+ b'\x72\x65\x74'
# BFD packet using md5 authentication.
self.data_auth_md5 = b'\x08\x00\x27\xd1\x95\x7c\x08\x00' \
+ b'\x27\xed\x54\x41\x08\x00\x45\xc0' \
+ b'\x00\x4c\x0c\x44\x00\x00\xff\x11' \
+ b'\xbb\x48\xc0\xa8\x39\x02\xc0\xa8' \
+ b'\x39\x01\xc0\x00\x0e\xc8\x00\x38' \
+ b'\x51\xbc\x20\x44\x03\x30\x00\x00' \
+ b'\x00\x01\x00\x00\x00\x00\x00\x0f' \
+ b'\x42\x40\x00\x0f\x42\x40\x00\x00' \
+ b'\x00\x00\x02\x18\x02\x00\x00\x00' \
+ b'\x41\xdb\x66\xa8\xf9\x25\x5a\x8b' \
+ b'\xcb\x7e\x4b\xec\x25\xa6\x2c\x23' \
+ b'\xda\x0f'
# BFD packet using SHA1 authentication.
self.data_auth_sha1 = b'\x08\x00\x27\xd1\x95\x7c\x08\x00' \
+ b'\x27\xed\x54\x41\x08\x00\x45\xc0' \
+ b'\x00\x50\x0b\x90\x00\x00\xff\x11' \
+ b'\xbb\xf8\xc0\xa8\x39\x02\xc0\xa8' \
+ b'\x39\x01\xc0\x00\x0e\xc8\x00\x3c' \
+ b'\xb9\x92\x20\x44\x03\x34\x00\x00' \
+ b'\x00\x01\x00\x00\x00\x00\x00\x0f' \
+ b'\x42\x40\x00\x0f\x42\x40\x00\x00' \
+ b'\x00\x00\x04\x1c\x02\x00\x00\x00' \
+ b'\x41\xb1\x46\x20\x10\x81\x03\xd7' \
+ b'\xf4\xde\x87\x61\x4c\x24\x61\x1f' \
+ b'\x3c\xc1\x6a\x00\x69\x23'
# BFD Key chain {auth_key_id: auth_key/password}
self.auth_keys = {2: b"secret"}
def tearDown(self):
pass
def test_parse(self):
buf = self.data
pkt = packet.Packet(buf)
i = iter(pkt)
self.assertIsInstance(next(i), ethernet.ethernet)
self.assertIsInstance(next(i), ipv4.ipv4)
self.assertIsInstance(next(i), udp.udp)
self.assertIsInstance(bfd.bfd.parser(next(i))[0], bfd.bfd)
def test_parse_with_auth_simple(self):
buf = self.data_auth_simple
pkt = packet.Packet(buf)
i = iter(pkt)
self.assertIsInstance(next(i), ethernet.ethernet)
self.assertIsInstance(next(i), ipv4.ipv4)
self.assertIsInstance(next(i), udp.udp)
bfd_obj = bfd.bfd.parser(next(i))[0]
self.assertIsInstance(bfd_obj, bfd.bfd)
self.assertIsInstance(bfd_obj.auth_cls, bfd.SimplePassword)
self.assertTrue(bfd_obj.authenticate(self.auth_keys))
def test_parse_with_auth_md5(self):
buf = self.data_auth_md5
pkt = packet.Packet(buf)
i = iter(pkt)
self.assertIsInstance(next(i), ethernet.ethernet)
self.assertIsInstance(next(i), ipv4.ipv4)
self.assertIsInstance(next(i), udp.udp)
bfd_obj = bfd.bfd.parser(next(i))[0]
self.assertIsInstance(bfd_obj, bfd.bfd)
self.assertIsInstance(bfd_obj.auth_cls, bfd.KeyedMD5)
self.assertTrue(bfd_obj.authenticate(self.auth_keys))
def test_parse_with_auth_sha1(self):
buf = self.data_auth_sha1
pkt = packet.Packet(buf)
i = iter(pkt)
self.assertIsInstance(next(i), ethernet.ethernet)
self.assertIsInstance(next(i), ipv4.ipv4)
self.assertIsInstance(next(i), udp.udp)
bfd_obj = bfd.bfd.parser(next(i))[0]
self.assertIsInstance(bfd_obj, bfd.bfd)
self.assertIsInstance(bfd_obj.auth_cls, bfd.KeyedSHA1)
self.assertTrue(bfd_obj.authenticate(self.auth_keys))
def test_serialize(self):
pkt = packet.Packet()
eth_pkt = ethernet.ethernet('b0:a8:6e:18:b8:08', '64:87:88:e9:cb:c8')
pkt.add_protocol(eth_pkt)
ip_pkt = ipv4.ipv4(src='172.28.3.1', dst='172.28.3.2', tos=192,
identification=26697, proto=inet.IPPROTO_UDP)
pkt.add_protocol(ip_pkt)
udp_pkt = udp.udp(49152, 3784)
pkt.add_protocol(udp_pkt)
bfd_pkt = bfd.bfd(ver=1, diag=bfd.BFD_DIAG_CTRL_DETECT_TIME_EXPIRED,
state=bfd.BFD_STATE_UP, detect_mult=3, my_discr=6,
your_discr=7, desired_min_tx_interval=60000,
required_min_rx_interval=60000,
required_min_echo_rx_interval=0)
pkt.add_protocol(bfd_pkt)
self.assertEqual(len(pkt.protocols), 4)
pkt.serialize()
self.assertEqual(pkt.data, self.data)
def test_serialize_with_auth_simple(self):
pkt = packet.Packet()
eth_pkt = ethernet.ethernet('08:00:27:d1:95:7c', '08:00:27:ed:54:41')
pkt.add_protocol(eth_pkt)
ip_pkt = ipv4.ipv4(src='192.168.57.2', dst='192.168.57.1', tos=192,
identification=3216, proto=inet.IPPROTO_UDP)
pkt.add_protocol(ip_pkt)
udp_pkt = udp.udp(49152, 3784)
pkt.add_protocol(udp_pkt)
auth_cls = bfd.SimplePassword(auth_key_id=2,
password=self.auth_keys[2])
bfd_pkt = bfd.bfd(ver=1, diag=bfd.BFD_DIAG_NO_DIAG,
flags=bfd.BFD_FLAG_AUTH_PRESENT,
state=bfd.BFD_STATE_DOWN, detect_mult=3, my_discr=1,
your_discr=0, desired_min_tx_interval=1000000,
required_min_rx_interval=1000000,
required_min_echo_rx_interval=0,
auth_cls=auth_cls)
pkt.add_protocol(bfd_pkt)
self.assertEqual(len(pkt.protocols), 4)
pkt.serialize()
self.assertEqual(pkt.data, self.data_auth_simple)
def test_serialize_with_auth_md5(self):
pkt = packet.Packet()
eth_pkt = ethernet.ethernet('08:00:27:d1:95:7c', '08:00:27:ed:54:41')
pkt.add_protocol(eth_pkt)
ip_pkt = ipv4.ipv4(src='192.168.57.2', dst='192.168.57.1', tos=192,
identification=3140, proto=inet.IPPROTO_UDP)
pkt.add_protocol(ip_pkt)
udp_pkt = udp.udp(49152, 3784)
pkt.add_protocol(udp_pkt)
auth_cls = bfd.KeyedMD5(auth_key_id=2, seq=16859,
auth_key=self.auth_keys[2])
bfd_pkt = bfd.bfd(ver=1, diag=bfd.BFD_DIAG_NO_DIAG,
flags=bfd.BFD_FLAG_AUTH_PRESENT,
state=bfd.BFD_STATE_DOWN, detect_mult=3, my_discr=1,
your_discr=0, desired_min_tx_interval=1000000,
required_min_rx_interval=1000000,
required_min_echo_rx_interval=0,
auth_cls=auth_cls)
pkt.add_protocol(bfd_pkt)
self.assertEqual(len(pkt.protocols), 4)
pkt.serialize()
self.assertEqual(pkt.data, self.data_auth_md5)
def test_serialize_with_auth_sha1(self):
pkt = packet.Packet()
eth_pkt = ethernet.ethernet('08:00:27:d1:95:7c', '08:00:27:ed:54:41')
pkt.add_protocol(eth_pkt)
ip_pkt = ipv4.ipv4(src='192.168.57.2', dst='192.168.57.1', tos=192,
identification=2960, proto=inet.IPPROTO_UDP)
pkt.add_protocol(ip_pkt)
udp_pkt = udp.udp(49152, 3784)
pkt.add_protocol(udp_pkt)
auth_cls = bfd.KeyedSHA1(auth_key_id=2, seq=16817,
auth_key=self.auth_keys[2])
bfd_pkt = bfd.bfd(ver=1, diag=bfd.BFD_DIAG_NO_DIAG,
flags=bfd.BFD_FLAG_AUTH_PRESENT,
state=bfd.BFD_STATE_DOWN, detect_mult=3, my_discr=1,
your_discr=0, desired_min_tx_interval=1000000,
required_min_rx_interval=1000000,
required_min_echo_rx_interval=0,
auth_cls=auth_cls)
pkt.add_protocol(bfd_pkt)
self.assertEqual(len(pkt.protocols), 4)
pkt.serialize()
self.assertEqual(pkt.data, self.data_auth_sha1)
def test_json(self):
bfd1 = bfd.bfd(ver=1, diag=bfd.BFD_DIAG_CTRL_DETECT_TIME_EXPIRED,
state=bfd.BFD_STATE_UP, detect_mult=3, my_discr=6,
your_discr=7, desired_min_tx_interval=60000,
required_min_rx_interval=60000,
required_min_echo_rx_interval=0)
jsondict = bfd1.to_jsondict()
bfd2 = bfd.bfd.from_jsondict(jsondict['bfd'])
self.assertEqual(str(bfd1), str(bfd2))
def test_json_with_auth_simple(self):
auth_cls = bfd.SimplePassword(auth_key_id=2,
password=self.auth_keys[2])
bfd1 = bfd.bfd(ver=1, diag=bfd.BFD_DIAG_NO_DIAG,
flags=bfd.BFD_FLAG_AUTH_PRESENT,
state=bfd.BFD_STATE_DOWN, detect_mult=3, my_discr=1,
your_discr=0, desired_min_tx_interval=1000000,
required_min_rx_interval=1000000,
required_min_echo_rx_interval=0,
auth_cls=auth_cls)
jsondict = bfd1.to_jsondict()
bfd2 = bfd.bfd.from_jsondict(jsondict['bfd'])
self.assertEqual(str(bfd1), str(bfd2))
def test_json_with_auth_md5(self):
auth_cls = bfd.KeyedMD5(auth_key_id=2, seq=16859,
auth_key=self.auth_keys[2])
bfd1 = bfd.bfd(ver=1, diag=bfd.BFD_DIAG_NO_DIAG,
flags=bfd.BFD_FLAG_AUTH_PRESENT,
state=bfd.BFD_STATE_DOWN, detect_mult=3, my_discr=1,
your_discr=0, desired_min_tx_interval=1000000,
required_min_rx_interval=1000000,
required_min_echo_rx_interval=0,
auth_cls=auth_cls)
jsondict = bfd1.to_jsondict()
bfd2 = bfd.bfd.from_jsondict(jsondict['bfd'])
self.assertEqual(str(bfd1), str(bfd2))
def test_json_with_auth_sha1(self):
auth_cls = bfd.KeyedSHA1(auth_key_id=2, seq=16859,
auth_key=self.auth_keys[2])
bfd1 = bfd.bfd(ver=1, diag=bfd.BFD_DIAG_NO_DIAG,
flags=bfd.BFD_FLAG_AUTH_PRESENT,
state=bfd.BFD_STATE_DOWN, detect_mult=3, my_discr=1,
your_discr=0, desired_min_tx_interval=1000000,
required_min_rx_interval=1000000,
required_min_echo_rx_interval=0,
auth_cls=auth_cls)
jsondict = bfd1.to_jsondict()
bfd2 = bfd.bfd.from_jsondict(jsondict['bfd'])
self.assertEqual(str(bfd1), str(bfd2))
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