import hashlib
import binascii
import time
+from struct import pack, unpack
from random import randint, shuffle, getrandbits
-from socket import AF_INET, AF_INET6
+from socket import AF_INET, AF_INET6, inet_ntop
from scapy.packet import Raw
from scapy.layers.l2 import Ether
from scapy.layers.inet import UDP, IP
from scapy.layers.inet6 import IPv6
from bfd import VppBFDAuthKey, BFD, BFDAuthType, VppBFDUDPSession, \
BFDDiagCode, BFDState, BFD_vpp_echo
-from framework import VppTestCase, VppTestRunner
+from framework import VppTestCase, VppTestRunner, running_extended_tests
from vpp_pg_interface import CaptureTimeoutError
from util import ppp
+from vpp_papi_provider import UnexpectedApiReturnValueError
USEC_IN_SEC = 1000000
conf_key_id=conf_key_id, key=key)
+@unittest.skipUnless(running_extended_tests(), "part of extended tests")
class BFDAPITestCase(VppTestCase):
"""Bidirectional Forwarding Detection (BFD) - API"""
test.vpp_clock_offset)
if old_offset:
test.assertAlmostEqual(
- old_offset, test.vpp_clock_offset, delta=0.1,
+ old_offset, test.vpp_clock_offset, delta=0.5,
msg="vpp clock offset not stable (new: %s, old: %s)" %
(test.vpp_clock_offset, old_offset))
test.logger.info("BFD: Sending Init")
test.test_session.update(my_discriminator=randint(0, 40000000),
your_discriminator=p[BFD].my_discriminator,
state=BFDState.init)
+ if test.test_session.sha1_key and test.test_session.sha1_key.auth_type == \
+ BFDAuthType.meticulous_keyed_sha1:
+ test.test_session.inc_seq_num()
test.test_session.send_packet()
test.logger.info("BFD: Waiting for event")
e = test.vapi.wait_for_event(1, "bfd_udp_session_details")
verify_event(test, e, expected_state=BFDState.up)
test.logger.info("BFD: Session is Up")
test.test_session.update(state=BFDState.up)
+ if test.test_session.sha1_key and test.test_session.sha1_key.auth_type == \
+ BFDAuthType.meticulous_keyed_sha1:
+ test.test_session.inc_seq_num()
test.test_session.send_packet()
test.assert_equal(test.vpp_session.state, BFDState.up, BFDState)
""" Bring BFD session down """
test.assert_equal(test.vpp_session.state, BFDState.up, BFDState)
test.test_session.update(state=BFDState.down)
+ if test.test_session.sha1_key and test.test_session.sha1_key.auth_type == \
+ BFDAuthType.meticulous_keyed_sha1:
+ test.test_session.inc_seq_num()
test.test_session.send_packet()
test.logger.info("BFD: Waiting for event")
e = test.vapi.wait_for_event(1, "bfd_udp_session_details")
test.assert_equal(test.vpp_session.state, BFDState.down, BFDState)
+def verify_bfd_session_config(test, session, state=None):
+ dump = session.get_bfd_udp_session_dump_entry()
+ test.assertIsNotNone(dump)
+ # since dump is not none, we have verified that sw_if_index and addresses
+ # are valid (in get_bfd_udp_session_dump_entry)
+ if state:
+ test.assert_equal(dump.state, state, "session state")
+ test.assert_equal(dump.required_min_rx, session.required_min_rx,
+ "required min rx interval")
+ test.assert_equal(dump.desired_min_tx, session.desired_min_tx,
+ "desired min tx interval")
+ test.assert_equal(dump.detect_mult, session.detect_mult,
+ "detect multiplier")
+ if session.sha1_key is None:
+ test.assert_equal(dump.is_authenticated, 0, "is_authenticated flag")
+ else:
+ test.assert_equal(dump.is_authenticated, 1, "is_authenticated flag")
+ test.assert_equal(dump.bfd_key_id, session.bfd_key_id,
+ "bfd key id")
+ test.assert_equal(dump.conf_key_id,
+ session.sha1_key.conf_key_id,
+ "config key id")
+
+
def verify_ip(test, packet):
""" Verify correctness of IP layer. """
if test.vpp_session.af == AF_INET6:
""" bring BFD session up """
bfd_session_up(self)
+ def test_session_up_by_ip(self):
+ """ bring BFD session up - first frame looked up by address pair """
+ self.logger.info("BFD: Sending Slow control frame")
+ self.test_session.update(my_discriminator=randint(0, 40000000))
+ self.test_session.send_packet()
+ self.pg0.enable_capture()
+ p = self.pg0.wait_for_packet(1)
+ self.assert_equal(p[BFD].your_discriminator,
+ self.test_session.my_discriminator,
+ "BFD - your discriminator")
+ self.assert_equal(p[BFD].state, BFDState.init, BFDState)
+ self.test_session.update(your_discriminator=p[BFD].my_discriminator,
+ state=BFDState.up)
+ self.logger.info("BFD: Waiting for event")
+ e = self.vapi.wait_for_event(1, "bfd_udp_session_details")
+ verify_event(self, e, expected_state=BFDState.init)
+ self.logger.info("BFD: Sending Up")
+ self.test_session.send_packet()
+ self.logger.info("BFD: Waiting for event")
+ e = self.vapi.wait_for_event(1, "bfd_udp_session_details")
+ verify_event(self, e, expected_state=BFDState.up)
+ self.logger.info("BFD: Session is Up")
+ self.test_session.update(state=BFDState.up)
+ self.test_session.send_packet()
+ self.assert_equal(self.vpp_session.state, BFDState.up, BFDState)
+
def test_session_down(self):
""" bring BFD session down """
bfd_session_up(self)
bfd_session_down(self)
+ @unittest.skipUnless(running_extended_tests(), "part of extended tests")
def test_hold_up(self):
""" hold BFD session up """
bfd_session_up(self)
self.assert_equal(len(self.vapi.collect_events()), 0,
"number of bfd events")
+ @unittest.skipUnless(running_extended_tests(), "part of extended tests")
def test_slow_timer(self):
""" verify slow periodic control frames while session down """
packet_count = 3
time_diff, 0.70, 1.05, "time between slow packets")
prev_packet = next_packet
+ @unittest.skipUnless(running_extended_tests(), "part of extended tests")
def test_zero_remote_min_rx(self):
""" no packets when zero remote required min rx interval """
bfd_session_up(self)
self.assert_equal(
len(self.vapi.collect_events()), 0, "number of bfd events")
+ @unittest.skipUnless(running_extended_tests(), "part of extended tests")
def test_conn_down(self):
""" verify session goes down after inactivity """
bfd_session_up(self)
e = self.vapi.wait_for_event(1, "bfd_udp_session_details")
verify_event(self, e, expected_state=BFDState.down)
+ @unittest.skipUnless(running_extended_tests(), "part of extended tests")
def test_large_required_min_rx(self):
""" large remote required min rx interval """
bfd_session_up(self)
break
self.assert_equal(count, 0, "number of packets received")
+ @unittest.skipUnless(running_extended_tests(), "part of extended tests")
def test_immediate_remote_min_rx_reduction(self):
""" immediately honor remote required min rx reduction """
self.vpp_session.remove_vpp_config()
"time between BFD packets")
reference_packet = p
+ @unittest.skipUnless(running_extended_tests(), "part of extended tests")
def test_modify_req_min_rx_double(self):
""" modify session - double required min rx """
bfd_session_up(self)
self.assert_in_range(time_to_event, .9 * timeout,
1.1 * timeout, "session timeout")
+ @unittest.skipUnless(running_extended_tests(), "part of extended tests")
def test_modify_req_min_rx_halve(self):
""" modify session - halve required min rx """
self.vpp_session.modify_parameters(
"time before bfd session goes down")
verify_event(self, e, expected_state=BFDState.down)
+ @unittest.skipUnless(running_extended_tests(), "part of extended tests")
def test_modify_detect_mult(self):
""" modify detect multiplier """
bfd_session_up(self)
self.assertNotIn("P", p.sprintf("%BFD.flags%"),
"Poll bit not set in BFD packet")
+ @unittest.skipUnless(running_extended_tests(), "part of extended tests")
def test_queued_poll(self):
""" test poll sequence queueing """
bfd_session_up(self)
self.assertNotIn("P", p.sprintf("%BFD.flags%"),
"Poll bit set in BFD packet")
+ @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+ def test_poll_response(self):
+ """ test correct response to control frame with poll bit set """
+ bfd_session_up(self)
+ poll = self.test_session.create_packet()
+ poll[BFD].flags = "P"
+ self.test_session.send_packet(poll)
+ final = wait_for_bfd_packet(
+ self, pcap_time_min=time.time() - self.vpp_clock_offset)
+ self.assertIn("F", final.sprintf("%BFD.flags%"))
+
+ @unittest.skipUnless(running_extended_tests(), "part of extended tests")
def test_no_periodic_if_remote_demand(self):
""" no periodic frames outside poll sequence if remote demand set """
bfd_session_up(self)
"number of bfd events")
self.test_session.send_packet()
+ @unittest.skipUnless(running_extended_tests(), "part of extended tests")
def test_echo_fail(self):
""" session goes down if echo function fails """
bfd_session_up(self)
self.assert_equal(events[0].state, BFDState.down, BFDState)
self.assertTrue(verified_diag, "Incorrect diagnostics code received")
+ @unittest.skipUnless(running_extended_tests(), "part of extended tests")
def test_echo_stop(self):
""" echo function stops if peer sets required min echo rx zero """
bfd_session_up(self)
events = self.vapi.collect_events()
self.assert_equal(len(events), 0, "number of bfd events")
+ @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+ def test_echo_source_removed(self):
+ """ echo function stops if echo source is removed """
+ bfd_session_up(self)
+ self.test_session.update(required_min_echo_rx=50000)
+ self.test_session.send_packet()
+ self.vapi.bfd_udp_set_echo_source(self.loopback0.sw_if_index)
+ # wait for first echo packet
+ while True:
+ p = self.pg0.wait_for_packet(1)
+ self.logger.debug(ppp("Got packet:", p))
+ if p[UDP].dport == BFD.udp_dport_echo:
+ self.logger.debug(ppp("Looping back packet:", p))
+ self.pg0.add_stream(p)
+ self.pg_start()
+ break
+ elif p.haslayer(BFD):
+ # ignore BFD
+ pass
+ else:
+ raise Exception(ppp("Received unknown packet:", p))
+ self.vapi.bfd_udp_del_echo_source()
+ self.test_session.send_packet()
+ # echo packets shouldn't arrive anymore
+ for dummy in range(5):
+ wait_for_bfd_packet(
+ self, pcap_time_min=time.time() - self.vpp_clock_offset)
+ self.test_session.send_packet()
+ events = self.vapi.collect_events()
+ self.assert_equal(len(events), 0, "number of bfd events")
+
+ @unittest.skipUnless(running_extended_tests(), "part of extended tests")
def test_stale_echo(self):
""" stale echo packets don't keep a session up """
bfd_session_up(self)
self.test_session.send_packet()
self.assertTrue(timeout_ok, "Expected timeout event didn't occur")
+ @unittest.skipUnless(running_extended_tests(), "part of extended tests")
def test_invalid_echo_checksum(self):
""" echo packets with invalid checksum don't keep a session up """
bfd_session_up(self)
self.test_session.send_packet()
self.assertTrue(timeout_ok, "Expected timeout event didn't occur")
+ @unittest.skipUnless(running_extended_tests(), "part of extended tests")
def test_admin_up_down(self):
""" put session admin-up and admin-down """
bfd_session_up(self)
verify_event(self, e, expected_state=BFDState.admin_down)
for dummy in range(2):
p = wait_for_bfd_packet(self)
- self.assert_equal(BFDState.admin_down, p[BFD].state, BFDState)
+ self.assert_equal(p[BFD].state, BFDState.admin_down, BFDState)
# try to bring session up - shouldn't be possible
self.test_session.update(state=BFDState.init)
self.test_session.send_packet()
for dummy in range(2):
p = wait_for_bfd_packet(self)
- self.assert_equal(BFDState.admin_down, p[BFD].state, BFDState)
+ self.assert_equal(p[BFD].state, BFDState.admin_down, BFDState)
self.vpp_session.admin_up()
self.test_session.update(state=BFDState.down)
e = self.vapi.wait_for_event(1, "bfd_udp_session_details")
verify_event(self, e, expected_state=BFDState.down)
- p = wait_for_bfd_packet(self)
- self.assert_equal(BFDState.down, p[BFD].state, BFDState)
+ p = wait_for_bfd_packet(
+ self, pcap_time_min=time.time() - self.vpp_clock_offset)
+ self.assert_equal(p[BFD].state, BFDState.down, BFDState)
self.test_session.send_packet()
- p = wait_for_bfd_packet(self)
- self.assert_equal(BFDState.init, p[BFD].state, BFDState)
+ p = wait_for_bfd_packet(
+ self, pcap_time_min=time.time() - self.vpp_clock_offset)
+ self.assert_equal(p[BFD].state, BFDState.init, BFDState)
e = self.vapi.wait_for_event(1, "bfd_udp_session_details")
verify_event(self, e, expected_state=BFDState.init)
self.test_session.update(state=BFDState.up)
self.test_session.send_packet()
- p = wait_for_bfd_packet(self)
- self.assert_equal(BFDState.up, p[BFD].state, BFDState)
+ p = wait_for_bfd_packet(
+ self, pcap_time_min=time.time() - self.vpp_clock_offset)
+ self.assert_equal(p[BFD].state, BFDState.up, BFDState)
e = self.vapi.wait_for_event(1, "bfd_udp_session_details")
verify_event(self, e, expected_state=BFDState.up)
+ @unittest.skipUnless(running_extended_tests(), "part of extended tests")
def test_config_change_remote_demand(self):
""" configuration change while peer in demand mode """
bfd_session_up(self)
self.test_session.send_packet(demand)
self.vpp_session.modify_parameters(
required_min_rx=2 * self.vpp_session.required_min_rx)
- p = wait_for_bfd_packet(self)
+ p = wait_for_bfd_packet(
+ self, pcap_time_min=time.time() - self.vpp_clock_offset)
# poll bit must be set
self.assertIn("P", p.sprintf("%BFD.flags%"), "Poll bit not set")
# terminate poll sequence
""" bring BFD session up """
bfd_session_up(self)
+ def test_session_up_by_ip(self):
+ """ bring BFD session up - first frame looked up by address pair """
+ self.logger.info("BFD: Sending Slow control frame")
+ self.test_session.update(my_discriminator=randint(0, 40000000))
+ self.test_session.send_packet()
+ self.pg0.enable_capture()
+ p = self.pg0.wait_for_packet(1)
+ self.assert_equal(p[BFD].your_discriminator,
+ self.test_session.my_discriminator,
+ "BFD - your discriminator")
+ self.assert_equal(p[BFD].state, BFDState.init, BFDState)
+ self.test_session.update(your_discriminator=p[BFD].my_discriminator,
+ state=BFDState.up)
+ self.logger.info("BFD: Waiting for event")
+ e = self.vapi.wait_for_event(1, "bfd_udp_session_details")
+ verify_event(self, e, expected_state=BFDState.init)
+ self.logger.info("BFD: Sending Up")
+ self.test_session.send_packet()
+ self.logger.info("BFD: Waiting for event")
+ e = self.vapi.wait_for_event(1, "bfd_udp_session_details")
+ verify_event(self, e, expected_state=BFDState.up)
+ self.logger.info("BFD: Session is Up")
+ self.test_session.update(state=BFDState.up)
+ self.test_session.send_packet()
+ self.assert_equal(self.vpp_session.state, BFDState.up, BFDState)
+
+ @unittest.skipUnless(running_extended_tests(), "part of extended tests")
def test_hold_up(self):
""" hold BFD session up """
bfd_session_up(self)
self.assert_equal(udp_sport_tx, udp_sport_rx, "UDP source port (== "
"ECHO packet identifier for test purposes)")
+ @unittest.skipUnless(running_extended_tests(), "part of extended tests")
def test_echo(self):
""" echo function used """
bfd_session_up(self)
bfd_key_id=self.vpp_session.bfd_key_id)
bfd_session_up(self)
+ @unittest.skipUnless(running_extended_tests(), "part of extended tests")
def test_hold_up(self):
""" hold BFD session up """
key = self.factory.create_random_key(self)
self.test_session.send_packet()
self.assert_equal(self.vpp_session.state, BFDState.up, BFDState)
+ @unittest.skipUnless(running_extended_tests(), "part of extended tests")
def test_hold_up_meticulous(self):
""" hold BFD session up - meticulous auth """
key = self.factory.create_random_key(
self.test_session.send_packet()
self.assert_equal(self.vpp_session.state, BFDState.up, BFDState)
+ @unittest.skipUnless(running_extended_tests(), "part of extended tests")
def test_send_bad_seq_number(self):
""" session is not kept alive by msgs with bad sequence numbers"""
key = self.factory.create_random_key(
self.vpp_session = VppBFDUDPSession(self, self.pg0,
self.pg0.remote_ip4, sha1_key=key)
self.vpp_session.add_vpp_config()
- self.vpp_session.admin_up()
self.test_session = BFDTestSession(
self, self.pg0, AF_INET, sha1_key=key,
bfd_key_id=self.vpp_session.bfd_key_id)
self.vpp_session = vpp_bfd_udp_session
self.vpp_session.add_vpp_config()
- self.vpp_session.admin_up()
self.test_session = legitimate_test_session
# bring vpp session up
bfd_session_up(self)
wait_for_bfd_packet(self)
self.assert_equal(self.vpp_session.state, BFDState.up, BFDState)
+ @unittest.skipUnless(running_extended_tests(), "part of extended tests")
def test_mismatch_auth(self):
""" session is not brought down by unauthenticated msg """
key = self.factory.create_random_key(self)
legitimate_test_session,
rogue_test_session)
+ @unittest.skipUnless(running_extended_tests(), "part of extended tests")
def test_mismatch_bfd_key_id(self):
""" session is not brought down by msg with non-existent key-id """
key = self.factory.create_random_key(self)
legitimate_test_session,
rogue_test_session)
+ @unittest.skipUnless(running_extended_tests(), "part of extended tests")
def test_mismatched_auth_type(self):
""" session is not brought down by msg with wrong auth type """
key = self.factory.create_random_key(self)
vpp_session, legitimate_test_session, rogue_test_session,
{'auth_type': BFDAuthType.keyed_md5})
+ @unittest.skipUnless(running_extended_tests(), "part of extended tests")
def test_restart(self):
""" simulate remote peer restart and resynchronization """
key = self.factory.create_random_key(
self.vpp_session = VppBFDUDPSession(self, self.pg0,
self.pg0.remote_ip4, sha1_key=key)
self.vpp_session.add_vpp_config()
- self.vpp_session.admin_up()
self.test_session = BFDTestSession(
self, self.pg0, AF_INET, sha1_key=key,
bfd_key_id=self.vpp_session.bfd_key_id, our_seq_number=0)
# don't send any packets for 2*detection_time
detection_time = self.test_session.detect_mult *\
self.vpp_session.required_min_rx / USEC_IN_SEC
- self.sleep(detection_time, "simulating peer restart")
+ self.sleep(2 * detection_time, "simulating peer restart")
events = self.vapi.collect_events()
self.assert_equal(len(events), 1, "number of bfd events")
verify_event(self, events[0], expected_state=BFDState.down)
bfd_session_up(self)
+@unittest.skipUnless(running_extended_tests(), "part of extended tests")
class BFDAuthOnOffTestCase(VppTestCase):
"""Bidirectional Forwarding Detection (BFD) (changing auth) """
self.vpp_session = VppBFDUDPSession(self, self.pg0,
self.pg0.remote_ip4)
self.vpp_session.add_vpp_config()
- self.vpp_session.admin_up()
self.test_session = BFDTestSession(self, self.pg0, AF_INET)
bfd_session_up(self)
for dummy in range(self.test_session.detect_mult * 2):
self.vpp_session = VppBFDUDPSession(self, self.pg0,
self.pg0.remote_ip4, sha1_key=key)
self.vpp_session.add_vpp_config()
- self.vpp_session.admin_up()
self.test_session = BFDTestSession(
self, self.pg0, AF_INET, sha1_key=key,
bfd_key_id=self.vpp_session.bfd_key_id)
self.vpp_session = VppBFDUDPSession(self, self.pg0,
self.pg0.remote_ip4, sha1_key=key1)
self.vpp_session.add_vpp_config()
- self.vpp_session.admin_up()
self.test_session = BFDTestSession(
self, self.pg0, AF_INET, sha1_key=key1,
bfd_key_id=self.vpp_session.bfd_key_id)
self.vpp_session = VppBFDUDPSession(self, self.pg0,
self.pg0.remote_ip4)
self.vpp_session.add_vpp_config()
- self.vpp_session.admin_up()
self.test_session = BFDTestSession(self, self.pg0, AF_INET)
bfd_session_up(self)
for dummy in range(self.test_session.detect_mult * 2):
self.vpp_session = VppBFDUDPSession(self, self.pg0,
self.pg0.remote_ip4, sha1_key=key)
self.vpp_session.add_vpp_config()
- self.vpp_session.admin_up()
self.test_session = BFDTestSession(
self, self.pg0, AF_INET, sha1_key=key,
bfd_key_id=self.vpp_session.bfd_key_id)
self.assert_equal(len(self.vapi.collect_events()), 0,
"number of bfd events")
+
+@unittest.skipUnless(running_extended_tests(), "part of extended tests")
+class BFDCLITestCase(VppTestCase):
+ """Bidirectional Forwarding Detection (BFD) (CLI) """
+ pg0 = None
+
+ @classmethod
+ def setUpClass(cls):
+ super(BFDCLITestCase, cls).setUpClass()
+
+ try:
+ cls.create_pg_interfaces((0,))
+ cls.pg0.config_ip4()
+ cls.pg0.config_ip6()
+ cls.pg0.resolve_arp()
+ cls.pg0.resolve_ndp()
+
+ except Exception:
+ super(BFDCLITestCase, cls).tearDownClass()
+ raise
+
+ def setUp(self):
+ super(BFDCLITestCase, self).setUp()
+ self.factory = AuthKeyFactory()
+ self.pg0.enable_capture()
+
+ def tearDown(self):
+ try:
+ self.vapi.want_bfd_events(enable_disable=0)
+ except UnexpectedApiReturnValueError:
+ # some tests aren't subscribed, so this is not an issue
+ pass
+ self.vapi.collect_events() # clear the event queue
+ super(BFDCLITestCase, self).tearDown()
+
+ def cli_verify_no_response(self, cli):
+ """ execute a CLI, asserting that the response is empty """
+ self.assert_equal(self.vapi.cli(cli),
+ "",
+ "CLI command response")
+
+ def cli_verify_response(self, cli, expected):
+ """ execute a CLI, asserting that the response matches expectation """
+ self.assert_equal(self.vapi.cli(cli).strip(),
+ expected,
+ "CLI command response")
+
+ def test_show(self):
+ """ show commands """
+ k1 = self.factory.create_random_key(self)
+ k1.add_vpp_config()
+ k2 = self.factory.create_random_key(
+ self, auth_type=BFDAuthType.meticulous_keyed_sha1)
+ k2.add_vpp_config()
+ s1 = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4)
+ s1.add_vpp_config()
+ s2 = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip6, af=AF_INET6,
+ sha1_key=k2)
+ s2.add_vpp_config()
+ self.logger.info(self.vapi.ppcli("show bfd keys"))
+ self.logger.info(self.vapi.ppcli("show bfd sessions"))
+ self.logger.info(self.vapi.ppcli("show bfd"))
+
+ def test_set_del_sha1_key(self):
+ """ set/delete SHA1 auth key """
+ k = self.factory.create_random_key(self)
+ self.registry.register(k, self.logger)
+ self.cli_verify_no_response(
+ "bfd key set conf-key-id %s type keyed-sha1 secret %s" %
+ (k.conf_key_id,
+ "".join("{:02x}".format(ord(c)) for c in k.key)))
+ self.assertTrue(k.query_vpp_config())
+ self.vpp_session = VppBFDUDPSession(
+ self, self.pg0, self.pg0.remote_ip4, sha1_key=k)
+ self.vpp_session.add_vpp_config()
+ self.test_session = \
+ BFDTestSession(self, self.pg0, AF_INET, sha1_key=k,
+ bfd_key_id=self.vpp_session.bfd_key_id)
+ self.vapi.want_bfd_events()
+ bfd_session_up(self)
+ bfd_session_down(self)
+ # try to replace the secret for the key - should fail because the key
+ # is in-use
+ k2 = self.factory.create_random_key(self)
+ self.cli_verify_response(
+ "bfd key set conf-key-id %s type keyed-sha1 secret %s" %
+ (k.conf_key_id,
+ "".join("{:02x}".format(ord(c)) for c in k2.key)),
+ "bfd key set: `bfd_auth_set_key' API call failed, "
+ "rv=-103:BFD object in use")
+ # manipulating the session using old secret should still work
+ bfd_session_up(self)
+ bfd_session_down(self)
+ self.vpp_session.remove_vpp_config()
+ self.cli_verify_no_response(
+ "bfd key del conf-key-id %s" % k.conf_key_id)
+ self.assertFalse(k.query_vpp_config())
+
+ def test_set_del_meticulous_sha1_key(self):
+ """ set/delete meticulous SHA1 auth key """
+ k = self.factory.create_random_key(
+ self, auth_type=BFDAuthType.meticulous_keyed_sha1)
+ self.registry.register(k, self.logger)
+ self.cli_verify_no_response(
+ "bfd key set conf-key-id %s type meticulous-keyed-sha1 secret %s" %
+ (k.conf_key_id,
+ "".join("{:02x}".format(ord(c)) for c in k.key)))
+ self.assertTrue(k.query_vpp_config())
+ self.vpp_session = VppBFDUDPSession(self, self.pg0,
+ self.pg0.remote_ip6, af=AF_INET6,
+ sha1_key=k)
+ self.vpp_session.add_vpp_config()
+ self.vpp_session.admin_up()
+ self.test_session = \
+ BFDTestSession(self, self.pg0, AF_INET6, sha1_key=k,
+ bfd_key_id=self.vpp_session.bfd_key_id)
+ self.vapi.want_bfd_events()
+ bfd_session_up(self)
+ bfd_session_down(self)
+ # try to replace the secret for the key - should fail because the key
+ # is in-use
+ k2 = self.factory.create_random_key(self)
+ self.cli_verify_response(
+ "bfd key set conf-key-id %s type keyed-sha1 secret %s" %
+ (k.conf_key_id,
+ "".join("{:02x}".format(ord(c)) for c in k2.key)),
+ "bfd key set: `bfd_auth_set_key' API call failed, "
+ "rv=-103:BFD object in use")
+ # manipulating the session using old secret should still work
+ bfd_session_up(self)
+ bfd_session_down(self)
+ self.vpp_session.remove_vpp_config()
+ self.cli_verify_no_response(
+ "bfd key del conf-key-id %s" % k.conf_key_id)
+ self.assertFalse(k.query_vpp_config())
+
+ def test_add_mod_del_bfd_udp(self):
+ """ create/modify/delete IPv4 BFD UDP session """
+ vpp_session = VppBFDUDPSession(
+ self, self.pg0, self.pg0.remote_ip4)
+ self.registry.register(vpp_session, self.logger)
+ cli_add_cmd = "bfd udp session add interface %s local-addr %s " \
+ "peer-addr %s desired-min-tx %s required-min-rx %s "\
+ "detect-mult %s" % (self.pg0.name, self.pg0.local_ip4,
+ self.pg0.remote_ip4,
+ vpp_session.desired_min_tx,
+ vpp_session.required_min_rx,
+ vpp_session.detect_mult)
+ self.cli_verify_no_response(cli_add_cmd)
+ # 2nd add should fail
+ self.cli_verify_response(
+ cli_add_cmd,
+ "bfd udp session add: `bfd_add_add_session' API call"
+ " failed, rv=-101:Duplicate BFD object")
+ verify_bfd_session_config(self, vpp_session)
+ mod_session = VppBFDUDPSession(
+ self, self.pg0, self.pg0.remote_ip4,
+ required_min_rx=2 * vpp_session.required_min_rx,
+ desired_min_tx=3 * vpp_session.desired_min_tx,
+ detect_mult=4 * vpp_session.detect_mult)
+ self.cli_verify_no_response(
+ "bfd udp session mod interface %s local-addr %s peer-addr %s "
+ "desired-min-tx %s required-min-rx %s detect-mult %s" %
+ (self.pg0.name, self.pg0.local_ip4, self.pg0.remote_ip4,
+ mod_session.desired_min_tx, mod_session.required_min_rx,
+ mod_session.detect_mult))
+ verify_bfd_session_config(self, mod_session)
+ cli_del_cmd = "bfd udp session del interface %s local-addr %s "\
+ "peer-addr %s" % (self.pg0.name,
+ self.pg0.local_ip4, self.pg0.remote_ip4)
+ self.cli_verify_no_response(cli_del_cmd)
+ # 2nd del is expected to fail
+ self.cli_verify_response(
+ cli_del_cmd, "bfd udp session del: `bfd_udp_del_session' API call"
+ " failed, rv=-102:No such BFD object")
+ self.assertFalse(vpp_session.query_vpp_config())
+
+ def test_add_mod_del_bfd_udp6(self):
+ """ create/modify/delete IPv6 BFD UDP session """
+ vpp_session = VppBFDUDPSession(
+ self, self.pg0, self.pg0.remote_ip6, af=AF_INET6)
+ self.registry.register(vpp_session, self.logger)
+ cli_add_cmd = "bfd udp session add interface %s local-addr %s " \
+ "peer-addr %s desired-min-tx %s required-min-rx %s "\
+ "detect-mult %s" % (self.pg0.name, self.pg0.local_ip6,
+ self.pg0.remote_ip6,
+ vpp_session.desired_min_tx,
+ vpp_session.required_min_rx,
+ vpp_session.detect_mult)
+ self.cli_verify_no_response(cli_add_cmd)
+ # 2nd add should fail
+ self.cli_verify_response(
+ cli_add_cmd,
+ "bfd udp session add: `bfd_add_add_session' API call"
+ " failed, rv=-101:Duplicate BFD object")
+ verify_bfd_session_config(self, vpp_session)
+ mod_session = VppBFDUDPSession(
+ self, self.pg0, self.pg0.remote_ip6, af=AF_INET6,
+ required_min_rx=2 * vpp_session.required_min_rx,
+ desired_min_tx=3 * vpp_session.desired_min_tx,
+ detect_mult=4 * vpp_session.detect_mult)
+ self.cli_verify_no_response(
+ "bfd udp session mod interface %s local-addr %s peer-addr %s "
+ "desired-min-tx %s required-min-rx %s detect-mult %s" %
+ (self.pg0.name, self.pg0.local_ip6, self.pg0.remote_ip6,
+ mod_session.desired_min_tx,
+ mod_session.required_min_rx, mod_session.detect_mult))
+ verify_bfd_session_config(self, mod_session)
+ cli_del_cmd = "bfd udp session del interface %s local-addr %s "\
+ "peer-addr %s" % (self.pg0.name,
+ self.pg0.local_ip6, self.pg0.remote_ip6)
+ self.cli_verify_no_response(cli_del_cmd)
+ # 2nd del is expected to fail
+ self.cli_verify_response(
+ cli_del_cmd,
+ "bfd udp session del: `bfd_udp_del_session' API call"
+ " failed, rv=-102:No such BFD object")
+ self.assertFalse(vpp_session.query_vpp_config())
+
+ def test_add_mod_del_bfd_udp_auth(self):
+ """ create/modify/delete IPv4 BFD UDP session (authenticated) """
+ key = self.factory.create_random_key(self)
+ key.add_vpp_config()
+ vpp_session = VppBFDUDPSession(
+ self, self.pg0, self.pg0.remote_ip4, sha1_key=key)
+ self.registry.register(vpp_session, self.logger)
+ cli_add_cmd = "bfd udp session add interface %s local-addr %s " \
+ "peer-addr %s desired-min-tx %s required-min-rx %s "\
+ "detect-mult %s conf-key-id %s bfd-key-id %s"\
+ % (self.pg0.name, self.pg0.local_ip4, self.pg0.remote_ip4,
+ vpp_session.desired_min_tx, vpp_session.required_min_rx,
+ vpp_session.detect_mult, key.conf_key_id,
+ vpp_session.bfd_key_id)
+ self.cli_verify_no_response(cli_add_cmd)
+ # 2nd add should fail
+ self.cli_verify_response(
+ cli_add_cmd,
+ "bfd udp session add: `bfd_add_add_session' API call"
+ " failed, rv=-101:Duplicate BFD object")
+ verify_bfd_session_config(self, vpp_session)
+ mod_session = VppBFDUDPSession(
+ self, self.pg0, self.pg0.remote_ip4, sha1_key=key,
+ bfd_key_id=vpp_session.bfd_key_id,
+ required_min_rx=2 * vpp_session.required_min_rx,
+ desired_min_tx=3 * vpp_session.desired_min_tx,
+ detect_mult=4 * vpp_session.detect_mult)
+ self.cli_verify_no_response(
+ "bfd udp session mod interface %s local-addr %s peer-addr %s "
+ "desired-min-tx %s required-min-rx %s detect-mult %s" %
+ (self.pg0.name, self.pg0.local_ip4, self.pg0.remote_ip4,
+ mod_session.desired_min_tx,
+ mod_session.required_min_rx, mod_session.detect_mult))
+ verify_bfd_session_config(self, mod_session)
+ cli_del_cmd = "bfd udp session del interface %s local-addr %s "\
+ "peer-addr %s" % (self.pg0.name,
+ self.pg0.local_ip4, self.pg0.remote_ip4)
+ self.cli_verify_no_response(cli_del_cmd)
+ # 2nd del is expected to fail
+ self.cli_verify_response(
+ cli_del_cmd,
+ "bfd udp session del: `bfd_udp_del_session' API call"
+ " failed, rv=-102:No such BFD object")
+ self.assertFalse(vpp_session.query_vpp_config())
+
+ def test_add_mod_del_bfd_udp6_auth(self):
+ """ create/modify/delete IPv6 BFD UDP session (authenticated) """
+ key = self.factory.create_random_key(
+ self, auth_type=BFDAuthType.meticulous_keyed_sha1)
+ key.add_vpp_config()
+ vpp_session = VppBFDUDPSession(
+ self, self.pg0, self.pg0.remote_ip6, af=AF_INET6, sha1_key=key)
+ self.registry.register(vpp_session, self.logger)
+ cli_add_cmd = "bfd udp session add interface %s local-addr %s " \
+ "peer-addr %s desired-min-tx %s required-min-rx %s "\
+ "detect-mult %s conf-key-id %s bfd-key-id %s" \
+ % (self.pg0.name, self.pg0.local_ip6, self.pg0.remote_ip6,
+ vpp_session.desired_min_tx, vpp_session.required_min_rx,
+ vpp_session.detect_mult, key.conf_key_id,
+ vpp_session.bfd_key_id)
+ self.cli_verify_no_response(cli_add_cmd)
+ # 2nd add should fail
+ self.cli_verify_response(
+ cli_add_cmd,
+ "bfd udp session add: `bfd_add_add_session' API call"
+ " failed, rv=-101:Duplicate BFD object")
+ verify_bfd_session_config(self, vpp_session)
+ mod_session = VppBFDUDPSession(
+ self, self.pg0, self.pg0.remote_ip6, af=AF_INET6, sha1_key=key,
+ bfd_key_id=vpp_session.bfd_key_id,
+ required_min_rx=2 * vpp_session.required_min_rx,
+ desired_min_tx=3 * vpp_session.desired_min_tx,
+ detect_mult=4 * vpp_session.detect_mult)
+ self.cli_verify_no_response(
+ "bfd udp session mod interface %s local-addr %s peer-addr %s "
+ "desired-min-tx %s required-min-rx %s detect-mult %s" %
+ (self.pg0.name, self.pg0.local_ip6, self.pg0.remote_ip6,
+ mod_session.desired_min_tx,
+ mod_session.required_min_rx, mod_session.detect_mult))
+ verify_bfd_session_config(self, mod_session)
+ cli_del_cmd = "bfd udp session del interface %s local-addr %s "\
+ "peer-addr %s" % (self.pg0.name,
+ self.pg0.local_ip6, self.pg0.remote_ip6)
+ self.cli_verify_no_response(cli_del_cmd)
+ # 2nd del is expected to fail
+ self.cli_verify_response(
+ cli_del_cmd,
+ "bfd udp session del: `bfd_udp_del_session' API call"
+ " failed, rv=-102:No such BFD object")
+ self.assertFalse(vpp_session.query_vpp_config())
+
+ def test_auth_on_off(self):
+ """ turn authentication on and off """
+ key = self.factory.create_random_key(
+ self, auth_type=BFDAuthType.meticulous_keyed_sha1)
+ key.add_vpp_config()
+ session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4)
+ auth_session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4,
+ sha1_key=key)
+ session.add_vpp_config()
+ cli_activate = \
+ "bfd udp session auth activate interface %s local-addr %s "\
+ "peer-addr %s conf-key-id %s bfd-key-id %s"\
+ % (self.pg0.name, self.pg0.local_ip4, self.pg0.remote_ip4,
+ key.conf_key_id, auth_session.bfd_key_id)
+ self.cli_verify_no_response(cli_activate)
+ verify_bfd_session_config(self, auth_session)
+ self.cli_verify_no_response(cli_activate)
+ verify_bfd_session_config(self, auth_session)
+ cli_deactivate = \
+ "bfd udp session auth deactivate interface %s local-addr %s "\
+ "peer-addr %s "\
+ % (self.pg0.name, self.pg0.local_ip4, self.pg0.remote_ip4)
+ self.cli_verify_no_response(cli_deactivate)
+ verify_bfd_session_config(self, session)
+ self.cli_verify_no_response(cli_deactivate)
+ verify_bfd_session_config(self, session)
+
+ def test_auth_on_off_delayed(self):
+ """ turn authentication on and off (delayed) """
+ key = self.factory.create_random_key(
+ self, auth_type=BFDAuthType.meticulous_keyed_sha1)
+ key.add_vpp_config()
+ session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4)
+ auth_session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4,
+ sha1_key=key)
+ session.add_vpp_config()
+ cli_activate = \
+ "bfd udp session auth activate interface %s local-addr %s "\
+ "peer-addr %s conf-key-id %s bfd-key-id %s delayed yes"\
+ % (self.pg0.name, self.pg0.local_ip4, self.pg0.remote_ip4,
+ key.conf_key_id, auth_session.bfd_key_id)
+ self.cli_verify_no_response(cli_activate)
+ verify_bfd_session_config(self, auth_session)
+ self.cli_verify_no_response(cli_activate)
+ verify_bfd_session_config(self, auth_session)
+ cli_deactivate = \
+ "bfd udp session auth deactivate interface %s local-addr %s "\
+ "peer-addr %s delayed yes"\
+ % (self.pg0.name, self.pg0.local_ip4, self.pg0.remote_ip4)
+ self.cli_verify_no_response(cli_deactivate)
+ verify_bfd_session_config(self, session)
+ self.cli_verify_no_response(cli_deactivate)
+ verify_bfd_session_config(self, session)
+
+ def test_admin_up_down(self):
+ """ put session admin-up and admin-down """
+ session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4)
+ session.add_vpp_config()
+ cli_down = \
+ "bfd udp session set-flags admin down interface %s local-addr %s "\
+ "peer-addr %s "\
+ % (self.pg0.name, self.pg0.local_ip4, self.pg0.remote_ip4)
+ cli_up = \
+ "bfd udp session set-flags admin up interface %s local-addr %s "\
+ "peer-addr %s "\
+ % (self.pg0.name, self.pg0.local_ip4, self.pg0.remote_ip4)
+ self.cli_verify_no_response(cli_down)
+ verify_bfd_session_config(self, session, state=BFDState.admin_down)
+ self.cli_verify_no_response(cli_up)
+ verify_bfd_session_config(self, session, state=BFDState.down)
+
+ def test_set_del_udp_echo_source(self):
+ """ set/del udp echo source """
+ self.create_loopback_interfaces([0])
+ self.loopback0 = self.lo_interfaces[0]
+ self.loopback0.admin_up()
+ self.cli_verify_response("show bfd echo-source",
+ "UDP echo source is not set.")
+ cli_set = "bfd udp echo-source set interface %s" % self.loopback0.name
+ self.cli_verify_no_response(cli_set)
+ self.cli_verify_response("show bfd echo-source",
+ "UDP echo source is: %s\n"
+ "IPv4 address usable as echo source: none\n"
+ "IPv6 address usable as echo source: none" %
+ self.loopback0.name)
+ self.loopback0.config_ip4()
+ unpacked = unpack("!L", self.loopback0.local_ip4n)
+ echo_ip4 = inet_ntop(AF_INET, pack("!L", unpacked[0] ^ 1))
+ self.cli_verify_response("show bfd echo-source",
+ "UDP echo source is: %s\n"
+ "IPv4 address usable as echo source: %s\n"
+ "IPv6 address usable as echo source: none" %
+ (self.loopback0.name, echo_ip4))
+ unpacked = unpack("!LLLL", self.loopback0.local_ip6n)
+ echo_ip6 = inet_ntop(AF_INET6, pack("!LLLL", unpacked[0], unpacked[1],
+ unpacked[2], unpacked[3] ^ 1))
+ self.loopback0.config_ip6()
+ self.cli_verify_response("show bfd echo-source",
+ "UDP echo source is: %s\n"
+ "IPv4 address usable as echo source: %s\n"
+ "IPv6 address usable as echo source: %s" %
+ (self.loopback0.name, echo_ip4, echo_ip6))
+ cli_del = "bfd udp echo-source del"
+ self.cli_verify_no_response(cli_del)
+ self.cli_verify_response("show bfd echo-source",
+ "UDP echo source is not set.")
+
if __name__ == '__main__':
unittest.main(testRunner=VppTestRunner)
Code Review / vpp.git / blobdiff