from scapy.layers.inet6 import IPv6, ICMPv6EchoRequest
from framework import VppTestCase, VppTestRunner
-from util import ppp, reassemble4
+from util import ppp, reassemble4, fragment_rfc791, fragment_rfc8200
from vpp_papi import VppEnum
self.auth_algo_vpp_id = (VppEnum.vl_api_ipsec_integ_alg_t.
IPSEC_API_INTEG_ALG_SHA1_96)
self.auth_algo = 'HMAC-SHA1-96' # scapy name
- self.auth_key = 'C91KUR9GYMm5GfkEvNjX'
+ self.auth_key = b'C91KUR9GYMm5GfkEvNjX'
self.crypt_algo_vpp_id = (VppEnum.vl_api_ipsec_crypto_alg_t.
IPSEC_API_CRYPTO_ALG_AES_CBC_128)
self.crypt_algo = 'AES-CBC' # scapy name
- self.crypt_key = 'JPjyOWBeVEQiMe7h'
+ self.crypt_key = b'JPjyOWBeVEQiMe7h'
self.salt = 0
self.flags = 0
self.nat_header = None
self.auth_algo_vpp_id = (VppEnum.vl_api_ipsec_integ_alg_t.
IPSEC_API_INTEG_ALG_SHA1_96)
self.auth_algo = 'HMAC-SHA1-96' # scapy name
- self.auth_key = 'C91KUR9GYMm5GfkEvNjX'
+ self.auth_key = b'C91KUR9GYMm5GfkEvNjX'
self.crypt_algo_vpp_id = (VppEnum.vl_api_ipsec_crypto_alg_t.
IPSEC_API_CRYPTO_ALG_AES_CBC_128)
self.crypt_algo = 'AES-CBC' # scapy name
- self.crypt_key = 'JPjyOWBeVEQiMe7h'
+ self.crypt_key = b'JPjyOWBeVEQiMe7h'
self.salt = 0
self.flags = 0
self.nat_header = None
-def mk_scapy_crpyt_key(p):
+def mk_scapy_crypt_key(p):
if p.crypt_algo == "AES-GCM":
return p.crypt_key + struct.pack("!I", p.salt)
else:
ip_class_by_addr_type = {socket.AF_INET: IP, socket.AF_INET6: IPv6}
use_esn = bool(p.flags & (VppEnum.vl_api_ipsec_sad_flags_t.
IPSEC_API_SAD_FLAG_USE_ESN))
- crypt_key = mk_scapy_crpyt_key(p)
+ crypt_key = mk_scapy_crypt_key(p)
p.scapy_tun_sa = SecurityAssociation(
encryption_type, spi=p.vpp_tun_spi,
crypt_algo=p.crypt_algo,
def config_tra_params(p, encryption_type):
use_esn = bool(p.flags & (VppEnum.vl_api_ipsec_sad_flags_t.
IPSEC_API_SAD_FLAG_USE_ESN))
- crypt_key = mk_scapy_crpyt_key(p)
+ crypt_key = mk_scapy_crypt_key(p)
p.scapy_tra_sa = SecurityAssociation(
encryption_type,
spi=p.vpp_tra_spi,
payload_size=54):
return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
sa.encrypt(IP(src=src, dst=dst) /
- ICMP() / Raw('X' * payload_size))
+ ICMP() / Raw(b'X' * payload_size))
for i in range(count)]
def gen_encrypt_pkts6(self, sa, sw_intf, src, dst, count=1,
def gen_pkts(self, sw_intf, src, dst, count=1, payload_size=54):
return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
- IP(src=src, dst=dst) / ICMP() / Raw('X' * payload_size)
+ IP(src=src, dst=dst) / ICMP() / Raw(b'X' * payload_size)
for i in range(count)]
def gen_pkts6(self, sw_intf, src, dst, count=1, payload_size=54):
def verify_tcp_checksum(self):
self.vapi.cli("test http server")
p = self.params[socket.AF_INET]
- config_tun_params(p, self.encryption_type, self.tun_if)
send = (Ether(src=self.tun_if.remote_mac, dst=self.tun_if.local_mac) /
p.scapy_tun_sa.encrypt(IP(src=p.remote_tun_if_host,
dst=self.tun_if.local_ip4) /
replay_count += len(pkts)
self.assert_error_counter_equal(replay_node_name, replay_count)
+ #
+ # now send a batch of packets all with the same sequence number
+ # the first packet in the batch is legitimate, the rest bogus
+ #
+ pkts = (Ether(src=self.tra_if.remote_mac,
+ dst=self.tra_if.local_mac) /
+ p.scapy_tra_sa.encrypt(IP(src=self.tra_if.remote_ip4,
+ dst=self.tra_if.local_ip4) /
+ ICMP(),
+ seq_num=35))
+ recv_pkts = self.send_and_expect(self.tra_if, pkts * 8,
+ self.tra_if, n_rx=1)
+ replay_count += 7
+ self.assert_error_counter_equal(replay_node_name, replay_count)
+
#
# now move the window over to 257 (more than one byte) and into Case A
#
bogus_sa = SecurityAssociation(self.encryption_type,
p.vpp_tra_spi,
crypt_algo=p.crypt_algo,
- crypt_key=mk_scapy_crpyt_key(p)[::-1],
+ crypt_key=mk_scapy_crypt_key(p)[::-1],
auth_algo=p.auth_algo,
auth_key=p.auth_key[::-1])
pkt = (Ether(src=self.tra_if.remote_mac,
# a malformed 'runt' packet
# created by a mis-constructed SA
- if (ESP == self.encryption_type):
+ if (ESP == self.encryption_type and p.crypt_algo != "NULL"):
bogus_sa = SecurityAssociation(self.encryption_type,
p.vpp_tra_spi)
pkt = (Ether(src=self.tra_if.remote_mac,
if not n_rx:
n_rx = count
try:
- config_tun_params(p, self.encryption_type, self.tun_if)
send_pkts = self.gen_encrypt_pkts(p.scapy_tun_sa, self.tun_if,
src=p.remote_tun_if_host,
dst=self.pg1.remote_ip4,
self.verify_counters4(p, count, n_rx)
+ def verify_tun_reass_44(self, p):
+ self.vapi.cli("clear errors")
+ self.vapi.ip_reassembly_enable_disable(
+ sw_if_index=self.tun_if.sw_if_index, enable_ip4=True)
+
+ try:
+ send_pkts = self.gen_encrypt_pkts(p.scapy_tun_sa, self.tun_if,
+ src=p.remote_tun_if_host,
+ dst=self.pg1.remote_ip4,
+ payload_size=1900,
+ count=1)
+ send_pkts = fragment_rfc791(send_pkts[0], 1400)
+ recv_pkts = self.send_and_expect(self.tun_if, send_pkts,
+ self.pg1, n_rx=1)
+ self.verify_decrypted(p, recv_pkts)
+
+ send_pkts = self.gen_pkts(self.pg1, src=self.pg1.remote_ip4,
+ dst=p.remote_tun_if_host, count=1)
+ recv_pkts = self.send_and_expect(self.pg1, send_pkts,
+ self.tun_if)
+ self.verify_encrypted(p, p.vpp_tun_sa, recv_pkts)
+
+ finally:
+ self.logger.info(self.vapi.ppcli("show error"))
+ self.logger.info(self.vapi.ppcli("show ipsec all"))
+
+ self.verify_counters4(p, 1, 1)
+ self.vapi.ip_reassembly_enable_disable(
+ sw_if_index=self.tun_if.sw_if_index, enable_ip4=False)
+
def verify_tun_64(self, p, count=1):
self.vapi.cli("clear errors")
try:
- config_tun_params(p, self.encryption_type, self.tun_if)
send_pkts = self.gen_encrypt_pkts6(p.scapy_tun_sa, self.tun_if,
src=p.remote_tun_if_host6,
dst=self.pg1.remote_ip6,
pkt = (Ether(src=self.tun_if.remote_mac, dst=self.tun_if.local_mac) /
IP(src=p.remote_tun_if_host, dst=self.tun_if.local_ip4) /
UDP(sport=333, dport=4500) /
- Raw(0xff))
+ Raw(b'\xff'))
self.send_and_assert_no_replies(self.tun_if, pkt*31)
self.assert_error_counter_equal(
'/err/%s/NAT Keepalive' % self.tun4_input_node, 31)
pkt = (Ether(src=self.tun_if.remote_mac, dst=self.tun_if.local_mac) /
IP(src=p.remote_tun_if_host, dst=self.tun_if.local_ip4) /
UDP(sport=333, dport=4500) /
- Raw(0xfe))
+ Raw(b'\xfe'))
self.send_and_assert_no_replies(self.tun_if, pkt*31)
self.assert_error_counter_equal(
'/err/%s/Too Short' % self.tun4_input_node, 31)
""" ipsec 4o4 tunnel basic test """
self.verify_tun_44(self.params[socket.AF_INET], count=1)
+ def test_tun_reass_basic44(self):
+ """ ipsec 4o4 tunnel basic reassembly test """
+ self.verify_tun_reass_44(self.params[socket.AF_INET])
+
def test_tun_burst44(self):
""" ipsec 4o4 tunnel burst test """
self.verify_tun_44(self.params[socket.AF_INET], count=257)
self.vapi.cli("clear errors")
self.vapi.cli("clear ipsec sa")
- config_tun_params(p_in, self.encryption_type, self.tun_if)
send_pkts = self.gen_encrypt_pkts6(p_in.scapy_tun_sa, self.tun_if,
src=p_in.remote_tun_if_host,
dst=self.pg1.remote_ip6,
if not p_out:
p_out = p_in
try:
- config_tun_params(p_in, self.encryption_type, self.tun_if)
- config_tun_params(p_out, self.encryption_type, self.tun_if)
send_pkts = self.gen_encrypt_pkts6(p_in.scapy_tun_sa, self.tun_if,
src=p_in.remote_tun_if_host,
dst=self.pg1.remote_ip6,
self.logger.info(self.vapi.ppcli("show ipsec all"))
self.verify_counters6(p_in, p_out, count)
+ def verify_tun_reass_66(self, p):
+ self.vapi.cli("clear errors")
+ self.vapi.ip_reassembly_enable_disable(
+ sw_if_index=self.tun_if.sw_if_index, enable_ip6=True)
+
+ try:
+ send_pkts = self.gen_encrypt_pkts6(p.scapy_tun_sa, self.tun_if,
+ src=p.remote_tun_if_host,
+ dst=self.pg1.remote_ip6,
+ count=1,
+ payload_size=1900)
+ send_pkts = fragment_rfc8200(send_pkts[0], 1, 1400, self.logger)
+ recv_pkts = self.send_and_expect(self.tun_if, send_pkts,
+ self.pg1, n_rx=1)
+ self.verify_decrypted6(p, recv_pkts)
+
+ send_pkts = self.gen_pkts6(self.pg1, src=self.pg1.remote_ip6,
+ dst=p.remote_tun_if_host,
+ count=1,
+ payload_size=64)
+ recv_pkts = self.send_and_expect(self.pg1, send_pkts,
+ self.tun_if)
+ self.verify_encrypted6(p, p.vpp_tun_sa, recv_pkts)
+ finally:
+ self.logger.info(self.vapi.ppcli("show error"))
+ self.logger.info(self.vapi.ppcli("show ipsec all"))
+ self.verify_counters6(p, p, 1)
+ self.vapi.ip_reassembly_enable_disable(
+ sw_if_index=self.tun_if.sw_if_index, enable_ip6=False)
+
def verify_tun_46(self, p, count=1):
""" ipsec 4o6 tunnel basic test """
self.vapi.cli("clear errors")
try:
- config_tun_params(p, self.encryption_type, self.tun_if)
send_pkts = self.gen_encrypt_pkts(p.scapy_tun_sa, self.tun_if,
src=p.remote_tun_if_host4,
dst=self.pg1.remote_ip4,
""" ipsec 6o6 tunnel basic test """
self.verify_tun_66(self.params[socket.AF_INET6], count=1)
+ def test_tun_reass_basic66(self):
+ """ ipsec 6o6 tunnel basic reassembly test """
+ self.verify_tun_reass_66(self.params[socket.AF_INET6])
+
def test_tun_burst66(self):
""" ipsec 6o6 tunnel burst test """
self.verify_tun_66(self.params[socket.AF_INET6], count=257)
Code Review / vpp.git / blobdiff