From 987aea8ec122065ab781242de24877f7cb377a5c Mon Sep 17 00:00:00 2001 From: Neale Ranns Date: Wed, 27 Mar 2019 13:40:35 +0000 Subject: IPSEC: 4o6 and 6o4 for tunnel interfaces Change-Id: I4d3ba18ab5205317219989de55b6e50d3b1d8a79 Signed-off-by: Neale Ranns --- test/template_ipsec.py | 156 +++++++++++++++++++++++++++++++++++-------------- 1 file changed, 111 insertions(+), 45 deletions(-) (limited to 'test/template_ipsec.py') diff --git a/test/template_ipsec.py b/test/template_ipsec.py index df4c2bc6a60..39db4ddc6f6 100644 --- a/test/template_ipsec.py +++ b/test/template_ipsec.py @@ -21,6 +21,7 @@ class IPsecIPv4Params(object): def __init__(self): self.remote_tun_if_host = '1.1.1.1' + self.remote_tun_if_host6 = '1111::1' self.scapy_tun_sa_id = 10 self.scapy_tun_spi = 1001 @@ -55,6 +56,7 @@ class IPsecIPv6Params(object): def __init__(self): self.remote_tun_if_host = '1111:1111:1111:1111:1111:1111:1111:1111' + self.remote_tun_if_host4 = '1.1.1.1' self.scapy_tun_sa_id = 50 self.scapy_tun_spi = 3001 @@ -213,24 +215,6 @@ class TemplateIpsec(VppTestCase): ICMPv6EchoRequest(id=0, seq=1, data=self.payload) for i in range(count)] - def configure_sa_tra(self, params): - params.scapy_tra_sa = SecurityAssociation( - self.encryption_type, - spi=params.vpp_tra_spi, - crypt_algo=params.crypt_algo, - crypt_key=params.crypt_key, - auth_algo=params.auth_algo, - auth_key=params.auth_key, - nat_t_header=params.nat_header) - params.vpp_tra_sa = SecurityAssociation( - self.encryption_type, - spi=params.scapy_tra_spi, - crypt_algo=params.crypt_algo, - crypt_key=params.crypt_key, - auth_algo=params.auth_algo, - auth_key=params.auth_key, - nat_t_header=params.nat_header) - class IpsecTcpTests(object): def test_tcp_checksum(self): @@ -466,6 +450,26 @@ class IpsecTra46Tests(IpsecTra4Tests, IpsecTra6Tests): class IpsecTun4(object): + def verify_counters(self, p, count): + if (hasattr(p, "spd_policy_in_any")): + pkts = p.spd_policy_in_any.get_stats()['packets'] + self.assertEqual(pkts, count, + "incorrect SPD any policy: expected %d != %d" % + (count, pkts)) + + if (hasattr(p, "tun_sa_in")): + pkts = p.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'] + self.assertEqual(pkts, count, + "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_decrypt_node_name, count) + def verify_tun_44(self, p, count=1): self.vapi.cli("clear errors") try: @@ -502,24 +506,45 @@ class IpsecTun4(object): self.logger.info(self.vapi.ppcli("show error")) self.logger.info(self.vapi.ppcli("show ipsec")) - if (hasattr(p, "spd_policy_in_any")): - pkts = p.spd_policy_in_any.get_stats()['packets'] - self.assertEqual(pkts, count, - "incorrect SPD any policy: expected %d != %d" % - (count, pkts)) + self.verify_counters(p, count) - if (hasattr(p, "tun_sa_in")): - pkts = p.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'] - self.assertEqual(pkts, count, - "incorrect SA out counts: expected %d != %d" % - (count, pkts)) + 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, + 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_host6) + self.assert_equal(recv_pkt[IPv6].dst, self.pg1.remote_ip6) + self.assert_packet_checksums_valid(recv_pkt) + send_pkts = self.gen_pkts6(self.pg1, src=self.pg1.remote_ip6, + dst=p.remote_tun_if_host6, 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(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_host6) + self.assert_packet_checksums_valid(decrypt_pkt) + except: + self.logger.error(ppp("Unexpected packet:", recv_pkt)) + try: + self.logger.debug( + ppp("Decrypted packet:", decrypt_pkt)) + except: + pass + raise + finally: + self.logger.info(self.vapi.ppcli("show error")) + self.logger.info(self.vapi.ppcli("show ipsec")) - self.assert_packet_counter_equal(self.tun4_encrypt_node_name, count) - self.assert_packet_counter_equal(self.tun4_decrypt_node_name, count) + self.verify_counters(p, count) class IpsecTun4Tests(IpsecTun4): @@ -535,6 +560,19 @@ 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'] + self.assertEqual(pkts, count, + "incorrect SA in counts: expected %d != %d" % + (count, pkts)) + pkts = p.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 """ self.vapi.cli("clear errors") @@ -572,18 +610,46 @@ class IpsecTun6(object): finally: self.logger.info(self.vapi.ppcli("show error")) self.logger.info(self.vapi.ppcli("show ipsec")) + self.verify_counters(p, count) - if (hasattr(p, "tun_sa_in")): - pkts = p.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'] - 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_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, + 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_host4) + self.assert_equal(recv_pkt[IP].dst, self.pg1.remote_ip4) + self.assert_packet_checksums_valid(recv_pkt) + send_pkts = self.gen_pkts(self.pg1, src=self.pg1.remote_ip4, + dst=p.remote_tun_if_host4, + 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(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_host4) + 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 + finally: + self.logger.info(self.vapi.ppcli("show error")) + self.logger.info(self.vapi.ppcli("show ipsec")) + self.verify_counters(p, count) class IpsecTun6Tests(IpsecTun6): -- cgit 1.2.3-korg