diff options
Diffstat (limited to 'test/test_ipsec_tun_if_esp.py')
| -rw-r--r-- | test/test_ipsec_tun_if_esp.py | 136 |
1 files changed, 133 insertions, 3 deletions
diff --git a/test/test_ipsec_tun_if_esp.py b/test/test_ipsec_tun_if_esp.py index d8527a3d6c1..3ab0e73ff74 100644 --- a/test/test_ipsec_tun_if_esp.py +++ b/test/test_ipsec_tun_if_esp.py @@ -64,13 +64,15 @@ def config_tra_params(p, encryption_type, tun_if): crypt_algo=p.crypt_algo, crypt_key=crypt_key, auth_algo=p.auth_algo, auth_key=p.auth_key, - esn_en=esn_en) + esn_en=esn_en, + nat_t_header=p.nat_header) p.vpp_tun_sa = SecurityAssociation( encryption_type, spi=p.scapy_tun_spi, crypt_algo=p.crypt_algo, crypt_key=crypt_key, auth_algo=p.auth_algo, auth_key=p.auth_key, - esn_en=esn_en) + esn_en=esn_en, + nat_t_header=p.nat_header) class TemplateIpsec4TunIfEsp(TemplateIpsec): @@ -1060,6 +1062,127 @@ class TestIpsecGreTebIfEspTra(TemplateIpsec, super(TestIpsecGreTebIfEspTra, self).tearDown() +class TestIpsecGreTebUdpIfEspTra(TemplateIpsec, + IpsecTun4Tests): + """ Ipsec GRE TEB UDP ESP - Tra tests """ + tun4_encrypt_node_name = "esp4-encrypt-tun" + tun4_decrypt_node_name = "esp4-decrypt-tun" + encryption_type = ESP + omac = "00:11:22:33:44:55" + + def gen_encrypt_pkts(self, p, sa, sw_intf, src, dst, count=1, + payload_size=100): + return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / + sa.encrypt(IP(src=self.pg0.remote_ip4, + dst=self.pg0.local_ip4) / + GRE() / + Ether(dst=self.omac) / + IP(src="1.1.1.1", dst="1.1.1.2") / + UDP(sport=1144, dport=2233) / + Raw(b'X' * payload_size)) + for i in range(count)] + + def gen_pkts(self, sw_intf, src, dst, count=1, + payload_size=100): + return [Ether(dst=self.omac) / + IP(src="1.1.1.1", dst="1.1.1.2") / + UDP(sport=1144, dport=2233) / + Raw(b'X' * payload_size) + for i in range(count)] + + def verify_decrypted(self, p, rxs): + for rx in rxs: + self.assert_equal(rx[Ether].dst, self.omac) + self.assert_equal(rx[IP].dst, "1.1.1.2") + + def verify_encrypted(self, p, sa, rxs): + for rx in rxs: + self.assertTrue(rx.haslayer(UDP)) + self.assertEqual(rx[UDP].dport, 4545) + self.assertEqual(rx[UDP].sport, 5454) + try: + pkt = sa.decrypt(rx[IP]) + if not pkt.haslayer(IP): + pkt = IP(pkt[Raw].load) + self.assert_packet_checksums_valid(pkt) + self.assert_equal(pkt[IP].dst, self.pg0.remote_ip4) + self.assert_equal(pkt[IP].src, self.pg0.local_ip4) + self.assertTrue(pkt.haslayer(GRE)) + e = pkt[Ether] + self.assertEqual(e[Ether].dst, self.omac) + self.assertEqual(e[IP].dst, "1.1.1.2") + except (IndexError, AssertionError): + self.logger.debug(ppp("Unexpected packet:", rx)) + try: + self.logger.debug(ppp("Decrypted packet:", pkt)) + except: + pass + raise + + def setUp(self): + super(TestIpsecGreTebUdpIfEspTra, self).setUp() + + self.tun_if = self.pg0 + + p = self.ipv4_params + p = self.ipv4_params + p.flags = (VppEnum.vl_api_ipsec_sad_flags_t. + IPSEC_API_SAD_FLAG_UDP_ENCAP) + p.nat_header = UDP(sport=5454, dport=4545) + + bd1 = VppBridgeDomain(self, 1) + bd1.add_vpp_config() + + p.tun_sa_out = VppIpsecSA(self, p.scapy_tun_sa_id, p.scapy_tun_spi, + p.auth_algo_vpp_id, p.auth_key, + p.crypt_algo_vpp_id, p.crypt_key, + self.vpp_esp_protocol, + flags=p.flags, + udp_src=5454, + udp_dst=4545) + p.tun_sa_out.add_vpp_config() + + p.tun_sa_in = VppIpsecSA(self, p.vpp_tun_sa_id, p.vpp_tun_spi, + p.auth_algo_vpp_id, p.auth_key, + p.crypt_algo_vpp_id, p.crypt_key, + self.vpp_esp_protocol, + flags=(p.flags | + VppEnum.vl_api_ipsec_sad_flags_t. + IPSEC_API_SAD_FLAG_IS_INBOUND), + udp_src=5454, + udp_dst=4545) + p.tun_sa_in.add_vpp_config() + + p.tun_if = VppGreInterface(self, + self.pg0.local_ip4, + self.pg0.remote_ip4, + type=(VppEnum.vl_api_gre_tunnel_type_t. + GRE_API_TUNNEL_TYPE_TEB)) + p.tun_if.add_vpp_config() + + p.tun_protect = VppIpsecTunProtect(self, + p.tun_if, + p.tun_sa_out, + [p.tun_sa_in]) + + p.tun_protect.add_vpp_config() + + p.tun_if.admin_up() + p.tun_if.config_ip4() + config_tra_params(p, self.encryption_type, p.tun_if) + + VppBridgeDomainPort(self, bd1, p.tun_if).add_vpp_config() + VppBridgeDomainPort(self, bd1, self.pg1).add_vpp_config() + + self.vapi.cli("clear ipsec sa") + self.logger.info(self.vapi.cli("sh ipsec sa 0")) + + def tearDown(self): + p = self.ipv4_params + p.tun_if.unconfig_ip4() + super(TestIpsecGreTebUdpIfEspTra, self).tearDown() + + class TestIpsecGreIfEsp(TemplateIpsec, IpsecTun4Tests): """ Ipsec GRE ESP - TUN tests """ @@ -1799,7 +1922,7 @@ class TestIpsec4TunProtectUdp(TemplateIpsec, p = self.ipv4_params p.flags = (VppEnum.vl_api_ipsec_sad_flags_t. IPSEC_API_SAD_FLAG_UDP_ENCAP) - p.nat_header = UDP(sport=5454, dport=4500) + p.nat_header = UDP(sport=4500, dport=4500) self.config_network(p) self.config_sa_tra(p) self.config_protect(p) @@ -1811,6 +1934,13 @@ class TestIpsec4TunProtectUdp(TemplateIpsec, self.unconfig_network(p) super(TestIpsec4TunProtectUdp, self).tearDown() + def verify_encrypted(self, p, sa, rxs): + # ensure encrypted packets are recieved with the default UDP ports + for rx in rxs: + self.assertEqual(rx[UDP].sport, 4500) + self.assertEqual(rx[UDP].dport, 4500) + super(TestIpsec4TunProtectUdp, self).verify_encrypted(p, sa, rxs) + def test_tun_44(self): """IPSEC UDP tunnel protect""" |