4 from scapy.layers.inet import IP, ICMP, TCP, UDP
5 from scapy.layers.ipsec import SecurityAssociation
6 from scapy.layers.l2 import Ether, Raw
7 from scapy.layers.inet6 import IPv6, ICMPv6EchoRequest
9 from framework import VppTestCase, VppTestRunner
10 from util import ppp, reassemble4
11 from vpp_papi import VppEnum
14 class IPsecIPv4Params(object):
16 addr_type = socket.AF_INET
18 addr_bcast = "255.255.255.255"
23 self.remote_tun_if_host = '1.1.1.1'
24 self.remote_tun_if_host6 = '1111::1'
26 self.scapy_tun_sa_id = 10
27 self.scapy_tun_spi = 1001
28 self.vpp_tun_sa_id = 20
29 self.vpp_tun_spi = 1000
31 self.scapy_tra_sa_id = 30
32 self.scapy_tra_spi = 2001
33 self.vpp_tra_sa_id = 40
34 self.vpp_tra_spi = 2000
36 self.auth_algo_vpp_id = (VppEnum.vl_api_ipsec_integ_alg_t.
37 IPSEC_API_INTEG_ALG_SHA1_96)
38 self.auth_algo = 'HMAC-SHA1-96' # scapy name
39 self.auth_key = 'C91KUR9GYMm5GfkEvNjX'
41 self.crypt_algo_vpp_id = (VppEnum.vl_api_ipsec_crypto_alg_t.
42 IPSEC_API_CRYPTO_ALG_AES_CBC_128)
43 self.crypt_algo = 'AES-CBC' # scapy name
44 self.crypt_key = 'JPjyOWBeVEQiMe7h'
46 self.nat_header = None
49 class IPsecIPv6Params(object):
51 addr_type = socket.AF_INET6
53 addr_bcast = "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"
58 self.remote_tun_if_host = '1111:1111:1111:1111:1111:1111:1111:1111'
59 self.remote_tun_if_host4 = '1.1.1.1'
61 self.scapy_tun_sa_id = 50
62 self.scapy_tun_spi = 3001
63 self.vpp_tun_sa_id = 60
64 self.vpp_tun_spi = 3000
66 self.scapy_tra_sa_id = 70
67 self.scapy_tra_spi = 4001
68 self.vpp_tra_sa_id = 80
69 self.vpp_tra_spi = 4000
71 self.auth_algo_vpp_id = (VppEnum.vl_api_ipsec_integ_alg_t.
72 IPSEC_API_INTEG_ALG_SHA1_96)
73 self.auth_algo = 'HMAC-SHA1-96' # scapy name
74 self.auth_key = 'C91KUR9GYMm5GfkEvNjX'
76 self.crypt_algo_vpp_id = (VppEnum.vl_api_ipsec_crypto_alg_t.
77 IPSEC_API_CRYPTO_ALG_AES_CBC_128)
78 self.crypt_algo = 'AES-CBC' # scapy name
79 self.crypt_key = 'JPjyOWBeVEQiMe7h'
81 self.nat_header = None
84 def config_tun_params(p, encryption_type, tun_if):
85 ip_class_by_addr_type = {socket.AF_INET: IP, socket.AF_INET6: IPv6}
86 use_esn = bool(p.flags & (VppEnum.vl_api_ipsec_sad_flags_t.
87 IPSEC_API_SAD_FLAG_USE_ESN))
88 p.scapy_tun_sa = SecurityAssociation(
89 encryption_type, spi=p.vpp_tun_spi,
90 crypt_algo=p.crypt_algo, crypt_key=p.crypt_key,
91 auth_algo=p.auth_algo, auth_key=p.auth_key,
92 tunnel_header=ip_class_by_addr_type[p.addr_type](
93 src=tun_if.remote_addr[p.addr_type],
94 dst=tun_if.local_addr[p.addr_type]),
95 nat_t_header=p.nat_header,
97 p.vpp_tun_sa = SecurityAssociation(
98 encryption_type, spi=p.scapy_tun_spi,
99 crypt_algo=p.crypt_algo, crypt_key=p.crypt_key,
100 auth_algo=p.auth_algo, auth_key=p.auth_key,
101 tunnel_header=ip_class_by_addr_type[p.addr_type](
102 dst=tun_if.remote_addr[p.addr_type],
103 src=tun_if.local_addr[p.addr_type]),
104 nat_t_header=p.nat_header,
108 def config_tra_params(p, encryption_type):
109 use_esn = bool(p.flags & (VppEnum.vl_api_ipsec_sad_flags_t.
110 IPSEC_API_SAD_FLAG_USE_ESN))
111 p.scapy_tra_sa = SecurityAssociation(
114 crypt_algo=p.crypt_algo,
115 crypt_key=p.crypt_key,
116 auth_algo=p.auth_algo,
118 nat_t_header=p.nat_header,
120 p.vpp_tra_sa = SecurityAssociation(
123 crypt_algo=p.crypt_algo,
124 crypt_key=p.crypt_key,
125 auth_algo=p.auth_algo,
127 nat_t_header=p.nat_header,
131 class TemplateIpsec(VppTestCase):
136 |tra_if| <-------> |VPP|
141 ------ encrypt --- plain ---
142 |tun_if| <------- |VPP| <------ |pg1|
145 ------ decrypt --- plain ---
146 |tun_if| -------> |VPP| ------> |pg1|
152 def ipsec_select_backend(self):
153 """ empty method to be overloaded when necessary """
158 super(TemplateIpsec, cls).setUpClass()
161 def tearDownClass(cls):
162 super(TemplateIpsec, cls).tearDownClass()
164 def setup_params(self):
165 self.ipv4_params = IPsecIPv4Params()
166 self.ipv6_params = IPsecIPv6Params()
167 self.params = {self.ipv4_params.addr_type: self.ipv4_params,
168 self.ipv6_params.addr_type: self.ipv6_params}
170 def config_interfaces(self):
171 self.create_pg_interfaces(range(3))
172 self.interfaces = list(self.pg_interfaces)
173 for i in self.interfaces:
181 super(TemplateIpsec, self).setUp()
185 self.vpp_esp_protocol = (VppEnum.vl_api_ipsec_proto_t.
187 self.vpp_ah_protocol = (VppEnum.vl_api_ipsec_proto_t.
190 self.config_interfaces()
192 self.ipsec_select_backend()
194 def unconfig_interfaces(self):
195 for i in self.interfaces:
201 super(TemplateIpsec, self).tearDown()
203 self.unconfig_interfaces()
205 def show_commands_at_teardown(self):
206 self.logger.info(self.vapi.cli("show hardware"))
208 def gen_encrypt_pkts(self, sa, sw_intf, src, dst, count=1,
210 return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
211 sa.encrypt(IP(src=src, dst=dst) /
212 ICMP() / Raw('X' * payload_size))
213 for i in range(count)]
215 def gen_encrypt_pkts6(self, sa, sw_intf, src, dst, count=1,
217 return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
218 sa.encrypt(IPv6(src=src, dst=dst) /
219 ICMPv6EchoRequest(id=0, seq=1,
220 data='X' * payload_size))
221 for i in range(count)]
223 def gen_pkts(self, sw_intf, src, dst, count=1, payload_size=54):
224 return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
225 IP(src=src, dst=dst) / ICMP() / Raw('X' * payload_size)
226 for i in range(count)]
228 def gen_pkts6(self, sw_intf, src, dst, count=1, payload_size=54):
229 return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
230 IPv6(src=src, dst=dst) /
231 ICMPv6EchoRequest(id=0, seq=1, data='X' * payload_size)
232 for i in range(count)]
235 class IpsecTcp(object):
236 def verify_tcp_checksum(self):
237 self.vapi.cli("test http server")
238 p = self.params[socket.AF_INET]
239 config_tun_params(p, self.encryption_type, self.tun_if)
240 send = (Ether(src=self.tun_if.remote_mac, dst=self.tun_if.local_mac) /
241 p.scapy_tun_sa.encrypt(IP(src=p.remote_tun_if_host,
242 dst=self.tun_if.local_ip4) /
243 TCP(flags='S', dport=80)))
244 self.logger.debug(ppp("Sending packet:", send))
245 recv = self.send_and_expect(self.tun_if, [send], self.tun_if)
247 decrypted = p.vpp_tun_sa.decrypt(recv[IP])
248 self.assert_packet_checksums_valid(decrypted)
251 class IpsecTcpTests(IpsecTcp):
252 def test_tcp_checksum(self):
253 """ verify checksum correctness for vpp generated packets """
254 self.verify_tcp_checksum()
257 class IpsecTra4(object):
258 """ verify methods for Transport v4 """
259 def verify_tra_anti_replay(self, count=1):
260 p = self.params[socket.AF_INET]
261 use_esn = p.vpp_tra_sa.use_esn
263 # fire in a packet with seq number 1
264 pkt = (Ether(src=self.tra_if.remote_mac,
265 dst=self.tra_if.local_mac) /
266 p.scapy_tra_sa.encrypt(IP(src=self.tra_if.remote_ip4,
267 dst=self.tra_if.local_ip4) /
270 recv_pkts = self.send_and_expect(self.tra_if, [pkt], self.tra_if)
272 # now move the window over to 235
273 pkt = (Ether(src=self.tra_if.remote_mac,
274 dst=self.tra_if.local_mac) /
275 p.scapy_tra_sa.encrypt(IP(src=self.tra_if.remote_ip4,
276 dst=self.tra_if.local_ip4) /
279 recv_pkts = self.send_and_expect(self.tra_if, [pkt], self.tra_if)
281 # replayed packets are dropped
282 self.send_and_assert_no_replies(self.tra_if, pkt * 3)
283 self.assert_packet_counter_equal(
284 '/err/%s/SA replayed packet' % self.tra4_decrypt_node_name, 3)
286 # the window size is 64 packets
287 # in window are still accepted
288 pkt = (Ether(src=self.tra_if.remote_mac,
289 dst=self.tra_if.local_mac) /
290 p.scapy_tra_sa.encrypt(IP(src=self.tra_if.remote_ip4,
291 dst=self.tra_if.local_ip4) /
294 recv_pkts = self.send_and_expect(self.tra_if, [pkt], self.tra_if)
296 # a packet that does not decrypt does not move the window forward
297 bogus_sa = SecurityAssociation(self.encryption_type,
299 pkt = (Ether(src=self.tra_if.remote_mac,
300 dst=self.tra_if.local_mac) /
301 bogus_sa.encrypt(IP(src=self.tra_if.remote_ip4,
302 dst=self.tra_if.local_ip4) /
305 self.send_and_assert_no_replies(self.tra_if, pkt * 17)
307 self.assert_packet_counter_equal(
308 '/err/%s/Integrity check failed' % self.tra4_decrypt_node_name, 17)
310 # which we can determine since this packet is still in the window
311 pkt = (Ether(src=self.tra_if.remote_mac,
312 dst=self.tra_if.local_mac) /
313 p.scapy_tra_sa.encrypt(IP(src=self.tra_if.remote_ip4,
314 dst=self.tra_if.local_ip4) /
317 self.send_and_expect(self.tra_if, [pkt], self.tra_if)
319 # out of window are dropped
320 pkt = (Ether(src=self.tra_if.remote_mac,
321 dst=self.tra_if.local_mac) /
322 p.scapy_tra_sa.encrypt(IP(src=self.tra_if.remote_ip4,
323 dst=self.tra_if.local_ip4) /
326 self.send_and_assert_no_replies(self.tra_if, pkt * 17)
329 # an out of window error with ESN looks like a high sequence
330 # wrap. but since it isn't then the verify will fail.
331 self.assert_packet_counter_equal(
332 '/err/%s/Integrity check failed' %
333 self.tra4_decrypt_node_name, 34)
336 self.assert_packet_counter_equal(
337 '/err/%s/SA replayed packet' %
338 self.tra4_decrypt_node_name, 20)
340 # valid packet moves the window over to 236
341 pkt = (Ether(src=self.tra_if.remote_mac,
342 dst=self.tra_if.local_mac) /
343 p.scapy_tra_sa.encrypt(IP(src=self.tra_if.remote_ip4,
344 dst=self.tra_if.local_ip4) /
347 rx = self.send_and_expect(self.tra_if, [pkt], self.tra_if)
348 decrypted = p.vpp_tra_sa.decrypt(rx[0][IP])
350 # move VPP's SA to just before the seq-number wrap
351 self.vapi.cli("test ipsec sa %d seq 0xffffffff" % p.scapy_tra_sa_id)
353 # then fire in a packet that VPP should drop because it causes the
354 # seq number to wrap unless we're using extended.
355 pkt = (Ether(src=self.tra_if.remote_mac,
356 dst=self.tra_if.local_mac) /
357 p.scapy_tra_sa.encrypt(IP(src=self.tra_if.remote_ip4,
358 dst=self.tra_if.local_ip4) /
363 rx = self.send_and_expect(self.tra_if, [pkt], self.tra_if)
364 # in order to decrpyt the high order number needs to wrap
365 p.vpp_tra_sa.seq_num = 0x100000000
366 decrypted = p.vpp_tra_sa.decrypt(rx[0][IP])
368 # send packets with high bits set
369 p.scapy_tra_sa.seq_num = 0x100000005
370 pkt = (Ether(src=self.tra_if.remote_mac,
371 dst=self.tra_if.local_mac) /
372 p.scapy_tra_sa.encrypt(IP(src=self.tra_if.remote_ip4,
373 dst=self.tra_if.local_ip4) /
375 seq_num=0x100000005))
376 rx = self.send_and_expect(self.tra_if, [pkt], self.tra_if)
377 # in order to decrpyt the high order number needs to wrap
378 decrypted = p.vpp_tra_sa.decrypt(rx[0][IP])
380 self.send_and_assert_no_replies(self.tra_if, [pkt])
381 self.assert_packet_counter_equal(
382 '/err/%s/sequence number cycled' %
383 self.tra4_encrypt_node_name, 1)
385 # move the security-associations seq number on to the last we used
386 self.vapi.cli("test ipsec sa %d seq 0x15f" % p.scapy_tra_sa_id)
387 p.scapy_tra_sa.seq_num = 351
388 p.vpp_tra_sa.seq_num = 351
390 def verify_tra_basic4(self, count=1):
391 """ ipsec v4 transport basic test """
392 self.vapi.cli("clear errors")
394 p = self.params[socket.AF_INET]
395 send_pkts = self.gen_encrypt_pkts(p.scapy_tra_sa, self.tra_if,
396 src=self.tra_if.remote_ip4,
397 dst=self.tra_if.local_ip4,
399 recv_pkts = self.send_and_expect(self.tra_if, send_pkts,
403 decrypted = p.vpp_tra_sa.decrypt(rx[IP])
404 self.assert_packet_checksums_valid(decrypted)
406 self.logger.debug(ppp("Unexpected packet:", rx))
409 self.logger.info(self.vapi.ppcli("show error"))
410 self.logger.info(self.vapi.ppcli("show ipsec"))
412 pkts = p.tra_sa_in.get_stats()['packets']
413 self.assertEqual(pkts, count,
414 "incorrect SA in counts: expected %d != %d" %
416 pkts = p.tra_sa_out.get_stats()['packets']
417 self.assertEqual(pkts, count,
418 "incorrect SA out counts: expected %d != %d" %
421 self.assert_packet_counter_equal(self.tra4_encrypt_node_name, count)
422 self.assert_packet_counter_equal(self.tra4_decrypt_node_name, count)
425 class IpsecTra4Tests(IpsecTra4):
426 """ UT test methods for Transport v4 """
427 def test_tra_anti_replay(self):
428 """ ipsec v4 transport anti-reply test """
429 self.verify_tra_anti_replay(count=1)
431 def test_tra_basic(self, count=1):
432 """ ipsec v4 transport basic test """
433 self.verify_tra_basic4(count=1)
435 def test_tra_burst(self):
436 """ ipsec v4 transport burst test """
437 self.verify_tra_basic4(count=257)
440 class IpsecTra6(object):
441 """ verify methods for Transport v6 """
442 def verify_tra_basic6(self, count=1):
443 self.vapi.cli("clear errors")
445 p = self.params[socket.AF_INET6]
446 send_pkts = self.gen_encrypt_pkts6(p.scapy_tra_sa, self.tra_if,
447 src=self.tra_if.remote_ip6,
448 dst=self.tra_if.local_ip6,
450 recv_pkts = self.send_and_expect(self.tra_if, send_pkts,
454 decrypted = p.vpp_tra_sa.decrypt(rx[IPv6])
455 self.assert_packet_checksums_valid(decrypted)
457 self.logger.debug(ppp("Unexpected packet:", rx))
460 self.logger.info(self.vapi.ppcli("show error"))
461 self.logger.info(self.vapi.ppcli("show ipsec"))
463 pkts = p.tra_sa_in.get_stats()['packets']
464 self.assertEqual(pkts, count,
465 "incorrect SA in counts: expected %d != %d" %
467 pkts = p.tra_sa_out.get_stats()['packets']
468 self.assertEqual(pkts, count,
469 "incorrect SA out counts: expected %d != %d" %
471 self.assert_packet_counter_equal(self.tra6_encrypt_node_name, count)
472 self.assert_packet_counter_equal(self.tra6_decrypt_node_name, count)
475 class IpsecTra6Tests(IpsecTra6):
476 """ UT test methods for Transport v6 """
477 def test_tra_basic6(self):
478 """ ipsec v6 transport basic test """
479 self.verify_tra_basic6(count=1)
481 def test_tra_burst6(self):
482 """ ipsec v6 transport burst test """
483 self.verify_tra_basic6(count=257)
486 class IpsecTra46Tests(IpsecTra4Tests, IpsecTra6Tests):
487 """ UT test methods for Transport v6 and v4"""
491 class IpsecTun4(object):
492 """ verify methods for Tunnel v4 """
493 def verify_counters(self, p, count):
494 if (hasattr(p, "spd_policy_in_any")):
495 pkts = p.spd_policy_in_any.get_stats()['packets']
496 self.assertEqual(pkts, count,
497 "incorrect SPD any policy: expected %d != %d" %
500 if (hasattr(p, "tun_sa_in")):
501 pkts = p.tun_sa_in.get_stats()['packets']
502 self.assertEqual(pkts, count,
503 "incorrect SA in counts: expected %d != %d" %
505 pkts = p.tun_sa_out.get_stats()['packets']
506 self.assertEqual(pkts, count,
507 "incorrect SA out counts: expected %d != %d" %
510 self.assert_packet_counter_equal(self.tun4_encrypt_node_name, count)
511 self.assert_packet_counter_equal(self.tun4_decrypt_node_name, count)
513 def verify_decrypted(self, p, rxs):
515 self.assert_equal(rx[IP].src, p.remote_tun_if_host)
516 self.assert_equal(rx[IP].dst, self.pg1.remote_ip4)
517 self.assert_packet_checksums_valid(rx)
519 def verify_encrypted(self, p, sa, rxs):
523 decrypt_pkt = p.vpp_tun_sa.decrypt(rx[IP])
524 if not decrypt_pkt.haslayer(IP):
525 decrypt_pkt = IP(decrypt_pkt[Raw].load)
526 decrypt_pkts.append(decrypt_pkt)
527 self.assert_equal(decrypt_pkt.src, self.pg1.remote_ip4)
528 self.assert_equal(decrypt_pkt.dst, p.remote_tun_if_host)
530 self.logger.debug(ppp("Unexpected packet:", rx))
532 self.logger.debug(ppp("Decrypted packet:", decrypt_pkt))
536 pkts = reassemble4(decrypt_pkts)
538 self.assert_packet_checksums_valid(pkt)
540 def verify_tun_44(self, p, count=1, payload_size=64, n_rx=None):
541 self.vapi.cli("clear errors")
545 config_tun_params(p, self.encryption_type, self.tun_if)
546 send_pkts = self.gen_encrypt_pkts(p.scapy_tun_sa, self.tun_if,
547 src=p.remote_tun_if_host,
548 dst=self.pg1.remote_ip4,
550 recv_pkts = self.send_and_expect(self.tun_if, send_pkts, self.pg1)
551 self.verify_decrypted(p, recv_pkts)
553 send_pkts = self.gen_pkts(self.pg1, src=self.pg1.remote_ip4,
554 dst=p.remote_tun_if_host, count=count,
555 payload_size=payload_size)
556 recv_pkts = self.send_and_expect(self.pg1, send_pkts,
558 self.verify_encrypted(p, p.vpp_tun_sa, recv_pkts)
561 self.logger.info(self.vapi.ppcli("show error"))
562 self.logger.info(self.vapi.ppcli("show ipsec"))
564 self.verify_counters(p, count)
566 def verify_tun_64(self, p, count=1):
567 self.vapi.cli("clear errors")
569 config_tun_params(p, self.encryption_type, self.tun_if)
570 send_pkts = self.gen_encrypt_pkts6(p.scapy_tun_sa, self.tun_if,
571 src=p.remote_tun_if_host6,
572 dst=self.pg1.remote_ip6,
574 recv_pkts = self.send_and_expect(self.tun_if, send_pkts, self.pg1)
575 for recv_pkt in recv_pkts:
576 self.assert_equal(recv_pkt[IPv6].src, p.remote_tun_if_host6)
577 self.assert_equal(recv_pkt[IPv6].dst, self.pg1.remote_ip6)
578 self.assert_packet_checksums_valid(recv_pkt)
579 send_pkts = self.gen_pkts6(self.pg1, src=self.pg1.remote_ip6,
580 dst=p.remote_tun_if_host6, count=count)
581 recv_pkts = self.send_and_expect(self.pg1, send_pkts, self.tun_if)
582 for recv_pkt in recv_pkts:
584 decrypt_pkt = p.vpp_tun_sa.decrypt(recv_pkt[IP])
585 if not decrypt_pkt.haslayer(IPv6):
586 decrypt_pkt = IPv6(decrypt_pkt[Raw].load)
587 self.assert_equal(decrypt_pkt.src, self.pg1.remote_ip6)
588 self.assert_equal(decrypt_pkt.dst, p.remote_tun_if_host6)
589 self.assert_packet_checksums_valid(decrypt_pkt)
591 self.logger.error(ppp("Unexpected packet:", recv_pkt))
594 ppp("Decrypted packet:", decrypt_pkt))
599 self.logger.info(self.vapi.ppcli("show error"))
600 self.logger.info(self.vapi.ppcli("show ipsec"))
602 self.verify_counters(p, count)
605 class IpsecTun4Tests(IpsecTun4):
606 """ UT test methods for Tunnel v4 """
607 def test_tun_basic44(self):
608 """ ipsec 4o4 tunnel basic test """
609 self.verify_tun_44(self.params[socket.AF_INET], count=1)
611 def test_tun_burst44(self):
612 """ ipsec 4o4 tunnel burst test """
613 self.verify_tun_44(self.params[socket.AF_INET], count=257)
616 class IpsecTun6(object):
617 """ verify methods for Tunnel v6 """
618 def verify_counters(self, p, count):
619 if (hasattr(p, "tun_sa_in")):
620 pkts = p.tun_sa_in.get_stats()['packets']
621 self.assertEqual(pkts, count,
622 "incorrect SA in counts: expected %d != %d" %
624 pkts = p.tun_sa_out.get_stats()['packets']
625 self.assertEqual(pkts, count,
626 "incorrect SA out counts: expected %d != %d" %
628 self.assert_packet_counter_equal(self.tun6_encrypt_node_name, count)
629 self.assert_packet_counter_equal(self.tun6_decrypt_node_name, count)
631 def verify_tun_66(self, p, count=1):
632 """ ipsec 6o6 tunnel basic test """
633 self.vapi.cli("clear errors")
635 config_tun_params(p, self.encryption_type, self.tun_if)
636 send_pkts = self.gen_encrypt_pkts6(p.scapy_tun_sa, self.tun_if,
637 src=p.remote_tun_if_host,
638 dst=self.pg1.remote_ip6,
640 recv_pkts = self.send_and_expect(self.tun_if, send_pkts, self.pg1)
641 for recv_pkt in recv_pkts:
642 self.assert_equal(recv_pkt[IPv6].src, p.remote_tun_if_host)
643 self.assert_equal(recv_pkt[IPv6].dst, self.pg1.remote_ip6)
644 self.assert_packet_checksums_valid(recv_pkt)
645 send_pkts = self.gen_pkts6(self.pg1, src=self.pg1.remote_ip6,
646 dst=p.remote_tun_if_host,
648 recv_pkts = self.send_and_expect(self.pg1, send_pkts, self.tun_if)
649 for recv_pkt in recv_pkts:
651 decrypt_pkt = p.vpp_tun_sa.decrypt(recv_pkt[IPv6])
652 if not decrypt_pkt.haslayer(IPv6):
653 decrypt_pkt = IPv6(decrypt_pkt[Raw].load)
654 self.assert_equal(decrypt_pkt.src, self.pg1.remote_ip6)
655 self.assert_equal(decrypt_pkt.dst, p.remote_tun_if_host)
656 self.assert_packet_checksums_valid(decrypt_pkt)
658 self.logger.debug(ppp("Unexpected packet:", recv_pkt))
661 ppp("Decrypted packet:", decrypt_pkt))
666 self.logger.info(self.vapi.ppcli("show error"))
667 self.logger.info(self.vapi.ppcli("show ipsec"))
668 self.verify_counters(p, count)
670 def verify_tun_46(self, p, count=1):
671 """ ipsec 4o6 tunnel basic test """
672 self.vapi.cli("clear errors")
674 config_tun_params(p, self.encryption_type, self.tun_if)
675 send_pkts = self.gen_encrypt_pkts(p.scapy_tun_sa, self.tun_if,
676 src=p.remote_tun_if_host4,
677 dst=self.pg1.remote_ip4,
679 recv_pkts = self.send_and_expect(self.tun_if, send_pkts, self.pg1)
680 for recv_pkt in recv_pkts:
681 self.assert_equal(recv_pkt[IP].src, p.remote_tun_if_host4)
682 self.assert_equal(recv_pkt[IP].dst, self.pg1.remote_ip4)
683 self.assert_packet_checksums_valid(recv_pkt)
684 send_pkts = self.gen_pkts(self.pg1, src=self.pg1.remote_ip4,
685 dst=p.remote_tun_if_host4,
687 recv_pkts = self.send_and_expect(self.pg1, send_pkts, self.tun_if)
688 for recv_pkt in recv_pkts:
690 decrypt_pkt = p.vpp_tun_sa.decrypt(recv_pkt[IPv6])
691 if not decrypt_pkt.haslayer(IP):
692 decrypt_pkt = IP(decrypt_pkt[Raw].load)
693 self.assert_equal(decrypt_pkt.src, self.pg1.remote_ip4)
694 self.assert_equal(decrypt_pkt.dst, p.remote_tun_if_host4)
695 self.assert_packet_checksums_valid(decrypt_pkt)
697 self.logger.debug(ppp("Unexpected packet:", recv_pkt))
699 self.logger.debug(ppp("Decrypted packet:",
705 self.logger.info(self.vapi.ppcli("show error"))
706 self.logger.info(self.vapi.ppcli("show ipsec"))
707 self.verify_counters(p, count)
710 class IpsecTun6Tests(IpsecTun6):
711 """ UT test methods for Tunnel v6 """
713 def test_tun_basic66(self):
714 """ ipsec 6o6 tunnel basic test """
715 self.verify_tun_66(self.params[socket.AF_INET6], count=1)
717 def test_tun_burst66(self):
718 """ ipsec 6o6 tunnel burst test """
719 self.verify_tun_66(self.params[socket.AF_INET6], count=257)
722 class IpsecTun46Tests(IpsecTun4Tests, IpsecTun6Tests):
723 """ UT test methods for Tunnel v6 & v4 """
727 if __name__ == '__main__':
728 unittest.main(testRunner=VppTestRunner)