diff options
Diffstat (limited to 'test/test_ipsec_tun_if_esp.py')
| -rw-r--r-- | test/test_ipsec_tun_if_esp.py | 320 |
1 files changed, 315 insertions, 5 deletions
diff --git a/test/test_ipsec_tun_if_esp.py b/test/test_ipsec_tun_if_esp.py index eefd477c71d..469ebc7fc87 100644 --- a/test/test_ipsec_tun_if_esp.py +++ b/test/test_ipsec_tun_if_esp.py @@ -304,6 +304,7 @@ class TestIpsec4MultiTunIfEsp(TemplateIpsec, IpsecTun4): p.scapy_tra_spi = p.scapy_tra_spi + ii p.vpp_tra_sa_id = p.vpp_tra_sa_id + ii p.vpp_tra_spi = p.vpp_tra_spi + ii + p.tun_dst = self.pg0.remote_hosts[ii].ip4 p.tun_if = VppIpsecTunInterface(self, self.pg0, p.vpp_tun_spi, p.scapy_tun_spi, @@ -311,7 +312,7 @@ class TestIpsec4MultiTunIfEsp(TemplateIpsec, IpsecTun4): p.crypt_key, p.crypt_key, p.auth_algo_vpp_id, p.auth_key, p.auth_key, - dst=self.pg0.remote_hosts[ii].ip4) + dst=p.tun_dst) p.tun_if.add_vpp_config() p.tun_if.admin_up() p.tun_if.config_ip4() @@ -334,6 +335,27 @@ class TestIpsec4MultiTunIfEsp(TemplateIpsec, IpsecTun4): c = p.tun_if.get_tx_stats() self.assertEqual(c['packets'], 127) + def test_tun_rr_44(self): + """ Round-robin packets acrros multiple interface """ + tx = [] + for p in self.multi_params: + tx = tx + self.gen_encrypt_pkts(p.scapy_tun_sa, self.tun_if, + src=p.remote_tun_if_host, + dst=self.pg1.remote_ip4) + rxs = self.send_and_expect(self.tun_if, tx, self.pg1) + + for rx, p in zip(rxs, self.multi_params): + self.verify_decrypted(p, [rx]) + + tx = [] + for p in self.multi_params: + tx = tx + self.gen_pkts(self.pg1, src=self.pg1.remote_ip4, + dst=p.remote_tun_if_host) + rxs = self.send_and_expect(self.pg1, tx, self.tun_if) + + for rx, p in zip(rxs, self.multi_params): + self.verify_encrypted(p, p.vpp_tun_sa, [rx]) + class TestIpsec4TunIfEspAll(TemplateIpsec, IpsecTun4): """ IPsec IPv4 Tunnel interface all Algos """ @@ -521,6 +543,69 @@ class TestIpsec4TunIfEspAll(TemplateIpsec, IpsecTun4): p.tun_sa_in.remove_vpp_config() +class TestIpsec4TunIfEspNoAlgo(TemplateIpsec, IpsecTun4): + """ IPsec IPv4 Tunnel interface all Algos """ + + encryption_type = ESP + tun4_encrypt_node_name = "esp4-encrypt-tun" + tun4_decrypt_node_name = "esp4-decrypt-tun" + + def config_network(self, p): + + p.auth_algo_vpp_id = (VppEnum.vl_api_ipsec_integ_alg_t. + IPSEC_API_INTEG_ALG_NONE) + p.auth_algo = 'NULL' + p.auth_key = [] + + p.crypt_algo_vpp_id = (VppEnum.vl_api_ipsec_crypto_alg_t. + IPSEC_API_CRYPTO_ALG_NONE) + p.crypt_algo = 'NULL' + p.crypt_key = [] + + p.tun_if = VppIpsecTunInterface(self, self.pg0, p.vpp_tun_spi, + p.scapy_tun_spi, + p.crypt_algo_vpp_id, + p.crypt_key, p.crypt_key, + p.auth_algo_vpp_id, p.auth_key, + p.auth_key, + salt=p.salt) + p.tun_if.add_vpp_config() + p.tun_if.admin_up() + p.tun_if.config_ip4() + config_tun_params(p, self.encryption_type, p.tun_if) + self.logger.info(self.vapi.cli("sh ipsec sa 0")) + self.logger.info(self.vapi.cli("sh ipsec sa 1")) + + p.route = VppIpRoute(self, p.remote_tun_if_host, 32, + [VppRoutePath(p.tun_if.remote_ip4, + 0xffffffff)]) + p.route.add_vpp_config() + + def unconfig_network(self, p): + p.tun_if.unconfig_ip4() + p.tun_if.remove_vpp_config() + p.route.remove_vpp_config() + + def setUp(self): + super(TestIpsec4TunIfEspNoAlgo, self).setUp() + + self.tun_if = self.pg0 + + def tearDown(self): + super(TestIpsec4TunIfEspNoAlgo, self).tearDown() + + def test_tun_44(self): + p = self.ipv4_params + + self.config_network(p) + + tx = self.gen_pkts(self.pg1, src=self.pg1.remote_ip4, + dst=p.remote_tun_if_host) + self.send_and_assert_no_replies(self.pg1, tx) + + self.unconfig_network(p) + + class TestIpsec6MultiTunIfEsp(TemplateIpsec, IpsecTun6): """ IPsec IPv6 Multi Tunnel interface """ @@ -919,6 +1004,16 @@ class TestIpsecGreIfEspTra(TemplateIpsec, Raw(b'X' * payload_size)) for i in range(count)] + def gen_encrypt_non_ip_pkts(self, 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() / + 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(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / @@ -996,6 +1091,115 @@ class TestIpsecGreIfEspTra(TemplateIpsec, p.tun_if.unconfig_ip4() super(TestIpsecGreIfEspTra, self).tearDown() + def test_gre_non_ip(self): + p = self.ipv4_params + tx = self.gen_encrypt_non_ip_pkts(p.scapy_tun_sa, self.tun_if, + src=p.remote_tun_if_host, + dst=self.pg1.remote_ip6) + self.send_and_assert_no_replies(self.tun_if, tx) + node_name = ('/err/%s/unsupported payload' % + self.tun4_decrypt_node_name) + self.assertEqual(1, self.statistics.get_err_counter(node_name)) + + +class TestIpsecGre6IfEspTra(TemplateIpsec, + IpsecTun6Tests): + """ Ipsec GRE ESP - TRA tests """ + tun6_encrypt_node_name = "esp6-encrypt-tun" + tun6_decrypt_node_name = "esp6-decrypt-tun" + encryption_type = ESP + + def gen_encrypt_pkts6(self, sa, sw_intf, src, dst, count=1, + payload_size=100): + return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / + sa.encrypt(IPv6(src=self.pg0.remote_ip6, + dst=self.pg0.local_ip6) / + GRE() / + IPv6(src=self.pg1.local_ip6, + dst=self.pg1.remote_ip6) / + UDP(sport=1144, dport=2233) / + Raw(b'X' * payload_size)) + for i in range(count)] + + def gen_pkts6(self, sw_intf, src, dst, count=1, + payload_size=100): + return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / + IPv6(src="1::1", dst="1::2") / + UDP(sport=1144, dport=2233) / + Raw(b'X' * payload_size) + for i in range(count)] + + def verify_decrypted6(self, p, rxs): + for rx in rxs: + self.assert_equal(rx[Ether].dst, self.pg1.remote_mac) + self.assert_equal(rx[IPv6].dst, self.pg1.remote_ip6) + + def verify_encrypted6(self, p, sa, rxs): + for rx in rxs: + try: + pkt = sa.decrypt(rx[IPv6]) + if not pkt.haslayer(IPv6): + pkt = IPv6(pkt[Raw].load) + self.assert_packet_checksums_valid(pkt) + self.assertTrue(pkt.haslayer(GRE)) + e = pkt[GRE] + self.assertEqual(e[IPv6].dst, "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(TestIpsecGre6IfEspTra, self).setUp() + + self.tun_if = self.pg0 + + p = self.ipv6_params + + 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) + 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) + p.tun_sa_in.add_vpp_config() + + p.tun_if = VppGreInterface(self, + self.pg0.local_ip6, + self.pg0.remote_ip6) + 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_ip6() + config_tra_params(p, self.encryption_type, p.tun_if) + + r = VppIpRoute(self, "1::2", 128, + [VppRoutePath(p.tun_if.remote_ip6, + 0xffffffff, + proto=DpoProto.DPO_PROTO_IP6)]) + r.add_vpp_config() + + def tearDown(self): + p = self.ipv6_params + p.tun_if.unconfig_ip6() + super(TestIpsecGre6IfEspTra, self).tearDown() + class TemplateIpsec4TunProtect(object): """ IPsec IPv4 Tunnel protect """ @@ -1286,6 +1490,54 @@ class TestIpsec4TunProtectTun(TemplateIpsec, self.unconfig_network(p) +class TestIpsec4TunProtectTunDrop(TemplateIpsec, + TemplateIpsec4TunProtect, + IpsecTun4): + """ IPsec IPv4 Tunnel protect - tunnel mode - drop""" + + encryption_type = ESP + tun4_encrypt_node_name = "esp4-encrypt-tun" + tun4_decrypt_node_name = "esp4-decrypt-tun" + + def setUp(self): + super(TestIpsec4TunProtectTunDrop, self).setUp() + + self.tun_if = self.pg0 + + def tearDown(self): + super(TestIpsec4TunProtectTunDrop, self).tearDown() + + def gen_encrypt_pkts(self, 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=sw_intf.remote_ip4, + dst="5.5.5.5") / + IP(src=src, dst=dst) / + UDP(sport=1144, dport=2233) / + Raw(b'X' * payload_size)) + for i in range(count)] + + def test_tun_drop_44(self): + """IPSEC tunnel protect bogus tunnel header """ + + p = self.ipv4_params + + self.config_network(p) + self.config_sa_tun(p) + self.config_protect(p) + + tx = self.gen_encrypt_pkts(p.scapy_tun_sa, self.tun_if, + src=p.remote_tun_if_host, + dst=self.pg1.remote_ip4, + count=63) + self.send_and_assert_no_replies(self.tun_if, tx) + + # teardown + self.unconfig_protect(p) + self.unconfig_sa(p) + self.unconfig_network(p) + + class TemplateIpsec6TunProtect(object): """ IPsec IPv6 Tunnel protect """ @@ -1379,7 +1631,7 @@ class TestIpsec6TunProtect(TemplateIpsec, super(TestIpsec6TunProtect, self).tearDown() def test_tun_66(self): - """IPSEC tunnel protect""" + """IPSEC tunnel protect 6o6""" p = self.ipv6_params @@ -1413,6 +1665,15 @@ class TestIpsec6TunProtect(TemplateIpsec, c = p.tun_if.get_tx_stats() self.assertEqual(c['packets'], 254) + # bounce the interface state + p.tun_if.admin_down() + self.verify_drop_tun_66(np, count=127) + node = ('/err/ipsec6-tun-input/%s' % + 'ipsec packets received on disabled interface') + self.assertEqual(127, self.statistics.get_err_counter(node)) + p.tun_if.admin_up() + self.verify_tun_66(np, count=127) + # 3 phase rekey # 1) add two input SAs [old, new] # 2) swap output SA to [new] @@ -1447,9 +1708,9 @@ class TestIpsec6TunProtect(TemplateIpsec, self.verify_drop_tun_66(np, count=127) c = p.tun_if.get_rx_stats() - self.assertEqual(c['packets'], 127*7) + self.assertEqual(c['packets'], 127*9) c = p.tun_if.get_tx_stats() - self.assertEqual(c['packets'], 127*7) + self.assertEqual(c['packets'], 127*8) self.unconfig_sa(np) # teardown @@ -1458,7 +1719,7 @@ class TestIpsec6TunProtect(TemplateIpsec, self.unconfig_network(p) def test_tun_46(self): - """IPSEC tunnel protect""" + """IPSEC tunnel protect 4o6""" p = self.ipv6_params @@ -1581,5 +1842,54 @@ class TestIpsec6TunProtectTun(TemplateIpsec, self.unconfig_network(p) +class TestIpsec6TunProtectTunDrop(TemplateIpsec, + TemplateIpsec6TunProtect, + IpsecTun6): + """ IPsec IPv6 Tunnel protect - tunnel mode - drop""" + + encryption_type = ESP + tun6_encrypt_node_name = "esp6-encrypt-tun" + tun6_decrypt_node_name = "esp6-decrypt-tun" + + def setUp(self): + super(TestIpsec6TunProtectTunDrop, self).setUp() + + self.tun_if = self.pg0 + + def tearDown(self): + super(TestIpsec6TunProtectTunDrop, self).tearDown() + + def gen_encrypt_pkts5(self, sa, sw_intf, src, dst, count=1, + payload_size=100): + # the IP destination of the revelaed packet does not match + # that assigned to the tunnel + return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / + sa.encrypt(IPv6(src=sw_intf.remote_ip6, + dst="5::5") / + IPv6(src=src, dst=dst) / + UDP(sport=1144, dport=2233) / + Raw(b'X' * payload_size)) + for i in range(count)] + + def test_tun_drop_66(self): + """IPSEC 6 tunnel protect bogus tunnel header """ + + p = self.ipv6_params + + self.config_network(p) + self.config_sa_tun(p) + self.config_protect(p) + + tx = self.gen_encrypt_pkts6(p.scapy_tun_sa, self.tun_if, + src=p.remote_tun_if_host, + dst=self.pg1.remote_ip6, + count=63) + self.send_and_assert_no_replies(self.tun_if, tx) + + self.unconfig_protect(p) + self.unconfig_sa(p) + self.unconfig_network(p) + + if __name__ == '__main__': unittest.main(testRunner=VppTestRunner) |