X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftemplate_ipsec.py;h=d714a93d378f93132832d2954de9ce5ab9024c31;hb=3ffe6cadf;hp=39db4ddc6f668338a61ccf671ad993ce2636574d;hpb=987aea8ec122065ab781242de24877f7cb377a5c;p=vpp.git diff --git a/test/template_ipsec.py b/test/template_ipsec.py index 39db4ddc6f6..d714a93d378 100644 --- a/test/template_ipsec.py +++ b/test/template_ipsec.py @@ -1,13 +1,14 @@ import unittest import socket +import struct from scapy.layers.inet import IP, ICMP, TCP, UDP -from scapy.layers.ipsec import SecurityAssociation +from scapy.layers.ipsec import SecurityAssociation, ESP from scapy.layers.l2 import Ether, Raw from scapy.layers.inet6 import IPv6, ICMPv6EchoRequest from framework import VppTestCase, VppTestRunner -from util import ppp +from util import ppp, reassemble4 from vpp_papi import VppEnum @@ -42,6 +43,7 @@ class IPsecIPv4Params(object): IPSEC_API_CRYPTO_ALG_AES_CBC_128) self.crypt_algo = 'AES-CBC' # scapy name self.crypt_key = 'JPjyOWBeVEQiMe7h' + self.salt = 0 self.flags = 0 self.nat_header = None @@ -69,14 +71,15 @@ class IPsecIPv6Params(object): self.vpp_tra_spi = 4000 self.auth_algo_vpp_id = (VppEnum.vl_api_ipsec_integ_alg_t. - IPSEC_API_INTEG_ALG_SHA_256_128) - self.auth_algo = 'SHA2-256-128' # scapy name + IPSEC_API_INTEG_ALG_SHA1_96) + self.auth_algo = 'HMAC-SHA1-96' # scapy name self.auth_key = 'C91KUR9GYMm5GfkEvNjX' self.crypt_algo_vpp_id = (VppEnum.vl_api_ipsec_crypto_alg_t. - IPSEC_API_CRYPTO_ALG_AES_CBC_256) + IPSEC_API_CRYPTO_ALG_AES_CBC_128) self.crypt_algo = 'AES-CBC' # scapy name - self.crypt_key = 'JPjyOWBeVEQiMe7hJPjyOWBeVEQiMe7h' + self.crypt_key = 'JPjyOWBeVEQiMe7h' + self.salt = 0 self.flags = 0 self.nat_header = None @@ -84,10 +87,15 @@ class IPsecIPv6Params(object): def config_tun_params(p, encryption_type, tun_if): 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_EXTENDED_SEQ_NUM)) + IPSEC_API_SAD_FLAG_USE_ESN)) + if p.crypt_algo == "AES-GCM": + crypt_key = p.crypt_key + struct.pack("!I", p.salt) + else: + crypt_key = p.crypt_key p.scapy_tun_sa = SecurityAssociation( encryption_type, spi=p.vpp_tun_spi, - crypt_algo=p.crypt_algo, crypt_key=p.crypt_key, + crypt_algo=p.crypt_algo, + crypt_key=crypt_key, auth_algo=p.auth_algo, auth_key=p.auth_key, tunnel_header=ip_class_by_addr_type[p.addr_type]( src=tun_if.remote_addr[p.addr_type], @@ -96,7 +104,8 @@ def config_tun_params(p, encryption_type, tun_if): use_esn=use_esn) p.vpp_tun_sa = SecurityAssociation( encryption_type, spi=p.scapy_tun_spi, - crypt_algo=p.crypt_algo, crypt_key=p.crypt_key, + crypt_algo=p.crypt_algo, + crypt_key=crypt_key, auth_algo=p.auth_algo, auth_key=p.auth_key, tunnel_header=ip_class_by_addr_type[p.addr_type]( dst=tun_if.remote_addr[p.addr_type], @@ -106,13 +115,17 @@ def config_tun_params(p, encryption_type, tun_if): def config_tra_params(p, encryption_type): - use_esn = p.flags & (VppEnum.vl_api_ipsec_sad_flags_t. - IPSEC_API_SAD_FLAG_USE_EXTENDED_SEQ_NUM) + use_esn = bool(p.flags & (VppEnum.vl_api_ipsec_sad_flags_t. + IPSEC_API_SAD_FLAG_USE_ESN)) + if p.crypt_algo == "AES-GCM": + crypt_key = p.crypt_key + struct.pack("!I", p.salt) + else: + crypt_key = p.crypt_key p.scapy_tra_sa = SecurityAssociation( encryption_type, spi=p.vpp_tra_spi, crypt_algo=p.crypt_algo, - crypt_key=p.crypt_key, + crypt_key=crypt_key, auth_algo=p.auth_algo, auth_key=p.auth_key, nat_t_header=p.nat_header, @@ -121,7 +134,7 @@ def config_tra_params(p, encryption_type): encryption_type, spi=p.scapy_tra_spi, crypt_algo=p.crypt_algo, - crypt_key=p.crypt_key, + crypt_key=crypt_key, auth_algo=p.auth_algo, auth_key=p.auth_key, nat_t_header=p.nat_header, @@ -146,79 +159,94 @@ class TemplateIpsec(VppTestCase): |tun_if| -------> |VPP| ------> |pg1| ------ --- --- """ + tun_spd_id = 1 + tra_spd_id = 2 def ipsec_select_backend(self): """ empty method to be overloaded when necessary """ pass + @classmethod + def setUpClass(cls): + super(TemplateIpsec, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TemplateIpsec, cls).tearDownClass() + def setup_params(self): self.ipv4_params = IPsecIPv4Params() self.ipv6_params = IPsecIPv6Params() self.params = {self.ipv4_params.addr_type: self.ipv4_params, self.ipv6_params.addr_type: self.ipv6_params} + def config_interfaces(self): + self.create_pg_interfaces(range(3)) + self.interfaces = list(self.pg_interfaces) + for i in self.interfaces: + i.admin_up() + i.config_ip4() + i.resolve_arp() + i.config_ip6() + i.resolve_ndp() + def setUp(self): super(TemplateIpsec, self).setUp() self.setup_params() - self.payload = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"\ - "XXXXXXXXXXXXXXXXXXXXX" - - self.tun_spd_id = 1 - self.tra_spd_id = 2 self.vpp_esp_protocol = (VppEnum.vl_api_ipsec_proto_t. IPSEC_API_PROTO_ESP) self.vpp_ah_protocol = (VppEnum.vl_api_ipsec_proto_t. IPSEC_API_PROTO_AH) - self.create_pg_interfaces(range(3)) - self.interfaces = list(self.pg_interfaces) - for i in self.interfaces: - i.admin_up() - i.config_ip4() - i.resolve_arp() - i.config_ip6() - i.resolve_ndp() - self.ipsec_select_backend() + self.config_interfaces() - def tearDown(self): - super(TemplateIpsec, self).tearDown() + self.ipsec_select_backend() + def unconfig_interfaces(self): for i in self.interfaces: i.admin_down() i.unconfig_ip4() i.unconfig_ip6() - if not self.vpp_dead: - self.vapi.cli("show hardware") + def tearDown(self): + super(TemplateIpsec, self).tearDown() + + self.unconfig_interfaces() - def gen_encrypt_pkts(self, sa, sw_intf, src, dst, count=1): + def show_commands_at_teardown(self): + self.logger.info(self.vapi.cli("show hardware")) + + def gen_encrypt_pkts(self, sa, sw_intf, src, dst, count=1, + payload_size=54): return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / - sa.encrypt(IP(src=src, dst=dst) / ICMP() / self.payload) + sa.encrypt(IP(src=src, dst=dst) / + ICMP() / Raw('X' * payload_size)) for i in range(count)] - def gen_encrypt_pkts6(self, sa, sw_intf, src, dst, count=1): + def gen_encrypt_pkts6(self, sa, sw_intf, src, dst, count=1, + payload_size=54): return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / sa.encrypt(IPv6(src=src, dst=dst) / - ICMPv6EchoRequest(id=0, seq=1, data=self.payload)) + ICMPv6EchoRequest(id=0, seq=1, + data='X' * payload_size)) for i in range(count)] - def gen_pkts(self, 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() / self.payload + IP(src=src, dst=dst) / ICMP() / Raw('X' * payload_size) for i in range(count)] - def gen_pkts6(self, sw_intf, src, dst, count=1): + def gen_pkts6(self, sw_intf, src, dst, count=1, payload_size=54): return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / IPv6(src=src, dst=dst) / - ICMPv6EchoRequest(id=0, seq=1, data=self.payload) + ICMPv6EchoRequest(id=0, seq=1, data='X' * payload_size) for i in range(count)] -class IpsecTcpTests(object): - def test_tcp_checksum(self): - """ verify checksum correctness for vpp generated packets """ +class IpsecTcp(object): + 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) @@ -233,9 +261,15 @@ class IpsecTcpTests(object): self.assert_packet_checksums_valid(decrypted) -class IpsecTra4Tests(object): - def test_tra_anti_replay(self, count=1): - """ ipsec v4 transport anti-reply test """ +class IpsecTcpTests(IpsecTcp): + def test_tcp_checksum(self): + """ verify checksum correctness for vpp generated packets """ + self.verify_tcp_checksum() + + +class IpsecTra4(object): + """ verify methods for Transport v4 """ + def verify_tra_anti_replay(self, count=1): p = self.params[socket.AF_INET] use_esn = p.vpp_tra_sa.use_esn @@ -259,7 +293,7 @@ class IpsecTra4Tests(object): # replayed packets are dropped self.send_and_assert_no_replies(self.tra_if, pkt * 3) - self.assert_packet_counter_equal( + self.assert_error_counter_equal( '/err/%s/SA replayed packet' % self.tra4_decrypt_node_name, 3) # the window size is 64 packets @@ -274,7 +308,11 @@ class IpsecTra4Tests(object): # a packet that does not decrypt does not move the window forward bogus_sa = SecurityAssociation(self.encryption_type, - p.vpp_tra_spi) + p.vpp_tra_spi, + crypt_algo=p.crypt_algo, + crypt_key=p.crypt_key[::-1], + auth_algo=p.auth_algo, + auth_key=p.auth_key[::-1]) pkt = (Ether(src=self.tra_if.remote_mac, dst=self.tra_if.local_mac) / bogus_sa.encrypt(IP(src=self.tra_if.remote_ip4, @@ -283,9 +321,25 @@ class IpsecTra4Tests(object): seq_num=350)) self.send_and_assert_no_replies(self.tra_if, pkt * 17) - self.assert_packet_counter_equal( + self.assert_error_counter_equal( '/err/%s/Integrity check failed' % self.tra4_decrypt_node_name, 17) + # a malformed 'runt' packet + # created by a mis-constructed SA + if (ESP == self.encryption_type): + bogus_sa = SecurityAssociation(self.encryption_type, + p.vpp_tra_spi) + pkt = (Ether(src=self.tra_if.remote_mac, + dst=self.tra_if.local_mac) / + bogus_sa.encrypt(IP(src=self.tra_if.remote_ip4, + dst=self.tra_if.local_ip4) / + ICMP(), + seq_num=350)) + self.send_and_assert_no_replies(self.tra_if, pkt * 17) + + self.assert_error_counter_equal( + '/err/%s/undersized packet' % self.tra4_decrypt_node_name, 17) + # which we can determine since this packet is still in the window pkt = (Ether(src=self.tra_if.remote_mac, dst=self.tra_if.local_mac) / @@ -307,12 +361,12 @@ class IpsecTra4Tests(object): if use_esn: # an out of window error with ESN looks like a high sequence # wrap. but since it isn't then the verify will fail. - self.assert_packet_counter_equal( + self.assert_error_counter_equal( '/err/%s/Integrity check failed' % self.tra4_decrypt_node_name, 34) else: - self.assert_packet_counter_equal( + self.assert_error_counter_equal( '/err/%s/SA replayed packet' % self.tra4_decrypt_node_name, 20) @@ -357,7 +411,7 @@ class IpsecTra4Tests(object): decrypted = p.vpp_tra_sa.decrypt(rx[0][IP]) else: self.send_and_assert_no_replies(self.tra_if, [pkt]) - self.assert_packet_counter_equal( + self.assert_error_counter_equal( '/err/%s/sequence number cycled' % self.tra4_encrypt_node_name, 1) @@ -366,7 +420,7 @@ class IpsecTra4Tests(object): p.scapy_tra_sa.seq_num = 351 p.vpp_tra_sa.seq_num = 351 - def test_tra_basic(self, count=1): + def verify_tra_basic4(self, count=1): """ ipsec v4 transport basic test """ self.vapi.cli("clear errors") try: @@ -378,6 +432,8 @@ class IpsecTra4Tests(object): recv_pkts = self.send_and_expect(self.tra_if, send_pkts, self.tra_if) for rx in recv_pkts: + self.assertEqual(len(rx) - len(Ether()), rx[IP].len) + self.assert_packet_checksums_valid(rx) try: decrypted = p.vpp_tra_sa.decrypt(rx[IP]) self.assert_packet_checksums_valid(decrypted) @@ -386,7 +442,7 @@ class IpsecTra4Tests(object): raise finally: self.logger.info(self.vapi.ppcli("show error")) - self.logger.info(self.vapi.ppcli("show ipsec")) + self.logger.info(self.vapi.ppcli("show ipsec all")) pkts = p.tra_sa_in.get_stats()['packets'] self.assertEqual(pkts, count, @@ -400,14 +456,25 @@ class IpsecTra4Tests(object): self.assert_packet_counter_equal(self.tra4_encrypt_node_name, count) self.assert_packet_counter_equal(self.tra4_decrypt_node_name, count) + +class IpsecTra4Tests(IpsecTra4): + """ UT test methods for Transport v4 """ + def test_tra_anti_replay(self): + """ ipsec v4 transport anti-reply test """ + self.verify_tra_anti_replay(count=1) + + def test_tra_basic(self, count=1): + """ ipsec v4 transport basic test """ + self.verify_tra_basic4(count=1) + def test_tra_burst(self): """ ipsec v4 transport burst test """ - self.test_tra_basic(count=257) + self.verify_tra_basic4(count=257) -class IpsecTra6Tests(object): - def test_tra_basic6(self, count=1): - """ ipsec v6 transport basic test """ +class IpsecTra6(object): + """ verify methods for Transport v6 """ + def verify_tra_basic6(self, count=1): self.vapi.cli("clear errors") try: p = self.params[socket.AF_INET6] @@ -418,6 +485,8 @@ class IpsecTra6Tests(object): recv_pkts = self.send_and_expect(self.tra_if, send_pkts, self.tra_if) for rx in recv_pkts: + self.assertEqual(len(rx) - len(Ether()) - len(IPv6()), + rx[IPv6].plen) try: decrypted = p.vpp_tra_sa.decrypt(rx[IPv6]) self.assert_packet_checksums_valid(decrypted) @@ -426,7 +495,7 @@ class IpsecTra6Tests(object): raise finally: self.logger.info(self.vapi.ppcli("show error")) - self.logger.info(self.vapi.ppcli("show ipsec")) + self.logger.info(self.vapi.ppcli("show ipsec all")) pkts = p.tra_sa_in.get_stats()['packets'] self.assertEqual(pkts, count, @@ -439,18 +508,28 @@ class IpsecTra6Tests(object): self.assert_packet_counter_equal(self.tra6_encrypt_node_name, count) self.assert_packet_counter_equal(self.tra6_decrypt_node_name, count) + +class IpsecTra6Tests(IpsecTra6): + """ UT test methods for Transport v6 """ + def test_tra_basic6(self): + """ ipsec v6 transport basic test """ + self.verify_tra_basic6(count=1) + def test_tra_burst6(self): """ ipsec v6 transport burst test """ - self.test_tra_basic6(count=257) + self.verify_tra_basic6(count=257) class IpsecTra46Tests(IpsecTra4Tests, IpsecTra6Tests): + """ UT test methods for Transport v6 and v4""" pass class IpsecTun4(object): - - def verify_counters(self, p, count): + """ verify methods for Tunnel v4 """ + def verify_counters4(self, p, count, n_frags=None): + if not n_frags: + n_frags = count if (hasattr(p, "spd_policy_in_any")): pkts = p.spd_policy_in_any.get_stats()['packets'] self.assertEqual(pkts, count, @@ -467,11 +546,42 @@ class IpsecTun4(object): "incorrect SA out counts: expected %d != %d" % (count, pkts)) - self.assert_packet_counter_equal(self.tun4_encrypt_node_name, count) + self.assert_packet_counter_equal(self.tun4_encrypt_node_name, n_frags) self.assert_packet_counter_equal(self.tun4_decrypt_node_name, count) - def verify_tun_44(self, p, count=1): + def verify_decrypted(self, p, rxs): + for rx in rxs: + self.assert_equal(rx[IP].src, p.remote_tun_if_host) + self.assert_equal(rx[IP].dst, self.pg1.remote_ip4) + self.assert_packet_checksums_valid(rx) + + def verify_encrypted(self, p, sa, rxs): + decrypt_pkts = [] + for rx in rxs: + self.assert_packet_checksums_valid(rx) + self.assertEqual(len(rx) - len(Ether()), rx[IP].len) + try: + decrypt_pkt = p.vpp_tun_sa.decrypt(rx[IP]) + if not decrypt_pkt.haslayer(IP): + decrypt_pkt = IP(decrypt_pkt[Raw].load) + decrypt_pkts.append(decrypt_pkt) + self.assert_equal(decrypt_pkt.src, self.pg1.remote_ip4) + self.assert_equal(decrypt_pkt.dst, p.remote_tun_if_host) + except: + self.logger.debug(ppp("Unexpected packet:", rx)) + try: + self.logger.debug(ppp("Decrypted packet:", decrypt_pkt)) + except: + pass + raise + pkts = reassemble4(decrypt_pkts) + for pkt in pkts: + self.assert_packet_checksums_valid(pkt) + + def verify_tun_44(self, p, count=1, payload_size=64, n_rx=None): self.vapi.cli("clear errors") + 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, @@ -479,34 +589,20 @@ class IpsecTun4(object): dst=self.pg1.remote_ip4, count=count) recv_pkts = self.send_and_expect(self.tun_if, send_pkts, self.pg1) - for recv_pkt in recv_pkts: - self.assert_equal(recv_pkt[IP].src, p.remote_tun_if_host) - self.assert_equal(recv_pkt[IP].dst, self.pg1.remote_ip4) - self.assert_packet_checksums_valid(recv_pkt) + 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=count) - recv_pkts = self.send_and_expect(self.pg1, send_pkts, self.tun_if) - for recv_pkt in recv_pkts: - try: - decrypt_pkt = p.vpp_tun_sa.decrypt(recv_pkt[IP]) - if not decrypt_pkt.haslayer(IP): - decrypt_pkt = IP(decrypt_pkt[Raw].load) - self.assert_equal(decrypt_pkt.src, self.pg1.remote_ip4) - self.assert_equal(decrypt_pkt.dst, p.remote_tun_if_host) - self.assert_packet_checksums_valid(decrypt_pkt) - except: - self.logger.debug(ppp("Unexpected packet:", recv_pkt)) - try: - self.logger.debug( - ppp("Decrypted packet:", decrypt_pkt)) - except: - pass - raise + dst=p.remote_tun_if_host, count=count, + payload_size=payload_size) + recv_pkts = self.send_and_expect(self.pg1, send_pkts, + self.tun_if, n_rx) + 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")) + self.logger.info(self.vapi.ppcli("show ipsec all")) - self.verify_counters(p, count) + self.verify_counters4(p, count, n_rx) def verify_tun_64(self, p, count=1): self.vapi.cli("clear errors") @@ -542,13 +638,13 @@ class IpsecTun4(object): raise finally: self.logger.info(self.vapi.ppcli("show error")) - self.logger.info(self.vapi.ppcli("show ipsec")) + self.logger.info(self.vapi.ppcli("show ipsec all")) - self.verify_counters(p, count) + self.verify_counters4(p, count) class IpsecTun4Tests(IpsecTun4): - + """ UT test methods for Tunnel v4 """ def test_tun_basic44(self): """ ipsec 4o4 tunnel basic test """ self.verify_tun_44(self.params[socket.AF_INET], count=1) @@ -559,58 +655,86 @@ class IpsecTun4Tests(IpsecTun4): class IpsecTun6(object): - - def verify_counters(self, p, count): - if (hasattr(p, "tun_sa_in")): - pkts = p.tun_sa_in.get_stats()['packets'] + """ verify methods for Tunnel v6 """ + def verify_counters6(self, p_in, p_out, count): + if (hasattr(p_in, "tun_sa_in")): + pkts = p_in.tun_sa_in.get_stats()['packets'] self.assertEqual(pkts, count, "incorrect SA in counts: expected %d != %d" % (count, pkts)) - pkts = p.tun_sa_out.get_stats()['packets'] + if (hasattr(p_out, "tun_sa_out")): + pkts = p_out.tun_sa_out.get_stats()['packets'] self.assertEqual(pkts, count, "incorrect SA out counts: expected %d != %d" % (count, pkts)) self.assert_packet_counter_equal(self.tun6_encrypt_node_name, count) self.assert_packet_counter_equal(self.tun6_decrypt_node_name, count) - def verify_tun_66(self, p, count=1): - """ ipsec 6o6 tunnel basic test """ + def verify_decrypted6(self, p, rxs): + for rx in rxs: + self.assert_equal(rx[IPv6].src, p.remote_tun_if_host) + self.assert_equal(rx[IPv6].dst, self.pg1.remote_ip6) + self.assert_packet_checksums_valid(rx) + + def verify_encrypted6(self, p, sa, rxs): + for rx in rxs: + self.assert_packet_checksums_valid(rx) + self.assertEqual(len(rx) - len(Ether()) - len(IPv6()), + rx[IPv6].plen) + try: + decrypt_pkt = p.vpp_tun_sa.decrypt(rx[IPv6]) + if not decrypt_pkt.haslayer(IPv6): + decrypt_pkt = IPv6(decrypt_pkt[Raw].load) + self.assert_packet_checksums_valid(decrypt_pkt) + self.assert_equal(decrypt_pkt.src, self.pg1.remote_ip6) + self.assert_equal(decrypt_pkt.dst, p.remote_tun_if_host) + except: + self.logger.debug(ppp("Unexpected packet:", rx)) + try: + self.logger.debug(ppp("Decrypted packet:", decrypt_pkt)) + except: + pass + raise + + def verify_drop_tun_66(self, p_in, count=1, payload_size=64): + 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, + count=count) + self.send_and_assert_no_replies(self.tun_if, send_pkts) + self.logger.info(self.vapi.cli("sh punt stats")) + + def verify_tun_66(self, p_in, p_out=None, count=1, payload_size=64): self.vapi.cli("clear errors") + self.vapi.cli("clear ipsec sa") + if not p_out: + p_out = p_in 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_host, + 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, count=count) recv_pkts = self.send_and_expect(self.tun_if, send_pkts, self.pg1) - for recv_pkt in recv_pkts: - self.assert_equal(recv_pkt[IPv6].src, p.remote_tun_if_host) - self.assert_equal(recv_pkt[IPv6].dst, self.pg1.remote_ip6) - self.assert_packet_checksums_valid(recv_pkt) + self.verify_decrypted6(p_in, recv_pkts) + send_pkts = self.gen_pkts6(self.pg1, src=self.pg1.remote_ip6, - dst=p.remote_tun_if_host, - count=count) - recv_pkts = self.send_and_expect(self.pg1, send_pkts, self.tun_if) - for recv_pkt in recv_pkts: - try: - decrypt_pkt = p.vpp_tun_sa.decrypt(recv_pkt[IPv6]) - if not decrypt_pkt.haslayer(IPv6): - decrypt_pkt = IPv6(decrypt_pkt[Raw].load) - self.assert_equal(decrypt_pkt.src, self.pg1.remote_ip6) - self.assert_equal(decrypt_pkt.dst, p.remote_tun_if_host) - self.assert_packet_checksums_valid(decrypt_pkt) - except: - self.logger.debug(ppp("Unexpected packet:", recv_pkt)) - try: - self.logger.debug( - ppp("Decrypted packet:", decrypt_pkt)) - except: - pass - raise + dst=p_out.remote_tun_if_host, + count=count, + payload_size=payload_size) + recv_pkts = self.send_and_expect(self.pg1, send_pkts, + self.tun_if) + self.verify_encrypted6(p_out, p_out.vpp_tun_sa, recv_pkts) + finally: self.logger.info(self.vapi.ppcli("show error")) - self.logger.info(self.vapi.ppcli("show ipsec")) - self.verify_counters(p, count) + self.logger.info(self.vapi.ppcli("show ipsec all")) + self.verify_counters6(p_in, p_out, count) def verify_tun_46(self, p, count=1): """ ipsec 4o6 tunnel basic test """ @@ -648,11 +772,12 @@ class IpsecTun6(object): raise finally: self.logger.info(self.vapi.ppcli("show error")) - self.logger.info(self.vapi.ppcli("show ipsec")) - self.verify_counters(p, count) + self.logger.info(self.vapi.ppcli("show ipsec all")) + self.verify_counters6(p, p, count) class IpsecTun6Tests(IpsecTun6): + """ UT test methods for Tunnel v6 """ def test_tun_basic66(self): """ ipsec 6o6 tunnel basic test """ @@ -664,6 +789,7 @@ class IpsecTun6Tests(IpsecTun6): class IpsecTun46Tests(IpsecTun4Tests, IpsecTun6Tests): + """ UT test methods for Tunnel v6 & v4 """ pass