diff options
Diffstat (limited to 'test/test_ipsec_tun_if_esp.py')
| -rw-r--r-- | test/test_ipsec_tun_if_esp.py | 659 |
1 files changed, 629 insertions, 30 deletions
diff --git a/test/test_ipsec_tun_if_esp.py b/test/test_ipsec_tun_if_esp.py index 5ef0bdbb8c6..cc220d5a0a4 100644 --- a/test/test_ipsec_tun_if_esp.py +++ b/test/test_ipsec_tun_if_esp.py @@ -5,13 +5,15 @@ import copy from scapy.layers.ipsec import ESP from scapy.layers.l2 import Ether, Raw, GRE from scapy.layers.inet import IP, UDP +from scapy.layers.inet6 import IPv6 from framework import VppTestRunner, is_skip_aarch64_set, is_platform_aarch64 from template_ipsec import TemplateIpsec, IpsecTun4Tests, IpsecTun6Tests, \ IpsecTun4, IpsecTun6, IpsecTcpTests, config_tun_params -from vpp_ipsec_tun_interface import VppIpsecTunInterface, \ - VppIpsecGRETunInterface +from vpp_ipsec_tun_interface import VppIpsecTunInterface +from vpp_gre_interface import VppGreInterface +from vpp_ipip_tun_interface import VppIpIpTunInterface from vpp_ip_route import VppIpRoute, VppRoutePath, DpoProto -from vpp_ipsec import VppIpsecSA +from vpp_ipsec import VppIpsecSA, VppIpsecTunProtect from vpp_l2 import VppBridgeDomain, VppBridgeDomainPort from util import ppp from vpp_papi import VppEnum @@ -58,8 +60,6 @@ class TemplateIpsec4TunIfEsp(TemplateIpsec): r.add_vpp_config() def tearDown(self): - if not self.vpp_dead: - self.vapi.cli("show hardware") super(TemplateIpsec4TunIfEsp, self).tearDown() @@ -131,8 +131,6 @@ class TemplateIpsec6TunIfEsp(TemplateIpsec): r.add_vpp_config() def tearDown(self): - if not self.vpp_dead: - self.vapi.cli("show hardware") super(TemplateIpsec6TunIfEsp, self).tearDown() @@ -198,8 +196,6 @@ class TestIpsec4MultiTunIfEsp(TemplateIpsec, IpsecTun4): 0xffffffff)]).add_vpp_config() def tearDown(self): - if not self.vpp_dead: - self.vapi.cli("show hardware") super(TestIpsec4MultiTunIfEsp, self).tearDown() def test_tun_44(self): @@ -442,8 +438,6 @@ class TestIpsec6MultiTunIfEsp(TemplateIpsec, IpsecTun6): r.add_vpp_config() def tearDown(self): - if not self.vpp_dead: - self.vapi.cli("show hardware") super(TestIpsec6MultiTunIfEsp, self).tearDown() def test_tun_66(self): @@ -456,9 +450,13 @@ class TestIpsec6MultiTunIfEsp(TemplateIpsec, IpsecTun6): self.assertEqual(c['packets'], 127) -class TemplateIpsecGRETunIfEsp(TemplateIpsec): - """ IPsec GRE tunnel interface tests """ - +@unittest.skipIf(is_skip_aarch64_set and is_platform_aarch64, + "test doesn't work on aarch64") +class TestIpsecGreTebIfEsp(TemplateIpsec, + IpsecTun4Tests): + """ Ipsec GRE TEB ESP - TUN 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" @@ -509,7 +507,7 @@ class TemplateIpsecGRETunIfEsp(TemplateIpsec): raise def setUp(self): - super(TemplateIpsecGRETunIfEsp, self).setUp() + super(TestIpsecGreTebIfEsp, self).setUp() self.tun_if = self.pg0 @@ -534,33 +532,634 @@ class TemplateIpsecGRETunIfEsp(TemplateIpsec): self.pg0.local_ip4) p.tun_sa_in.add_vpp_config() - self.tun = VppIpsecGRETunInterface(self, self.pg0, - p.tun_sa_out.id, - p.tun_sa_in.id) - + self.tun = VppGreInterface(self, + self.pg0.local_ip4, + self.pg0.remote_ip4, + type=(VppEnum.vl_api_gre_tunnel_type_t. + GRE_API_TUNNEL_TYPE_TEB)) self.tun.add_vpp_config() + + p.tun_protect = VppIpsecTunProtect(self, + self.tun, + p.tun_sa_out, + [p.tun_sa_in]) + + p.tun_protect.add_vpp_config() + self.tun.admin_up() self.tun.config_ip4() - VppIpRoute(self, p.remote_tun_if_host, 32, - [VppRoutePath(self.tun.remote_ip4, - 0xffffffff)]).add_vpp_config() VppBridgeDomainPort(self, bd1, self.tun).add_vpp_config() VppBridgeDomainPort(self, bd1, self.pg1).add_vpp_config() + self.vapi.cli("clear ipsec sa") + def tearDown(self): - if not self.vpp_dead: - self.vapi.cli("show hardware") self.tun.unconfig_ip4() - super(TemplateIpsecGRETunIfEsp, self).tearDown() + super(TestIpsecGreTebIfEsp, self).tearDown() -@unittest.skipIf(is_skip_aarch64_set and is_platform_aarch64, - "test doesn't work on aarch64") -class TestIpsecGRETunIfEsp1(TemplateIpsecGRETunIfEsp, IpsecTun4Tests): +class TestIpsecGreIfEsp(TemplateIpsec, + IpsecTun4Tests): """ Ipsec GRE ESP - TUN tests """ - tun4_encrypt_node_name = "esp4-encrypt" - tun4_decrypt_node_name = "esp4-decrypt" + tun4_encrypt_node_name = "esp4-encrypt-tun" + tun4_decrypt_node_name = "esp4-decrypt-tun" + encryption_type = ESP + + 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=self.pg0.remote_ip4, + dst=self.pg0.local_ip4) / + GRE() / + IP(src=self.pg1.local_ip4, + dst=self.pg1.remote_ip4) / + UDP(sport=1144, dport=2233) / + Raw('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) / + IP(src="1.1.1.1", dst="1.1.1.2") / + UDP(sport=1144, dport=2233) / + Raw('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.pg1.remote_mac) + self.assert_equal(rx[IP].dst, self.pg1.remote_ip4) + + def verify_encrypted(self, p, sa, rxs): + for rx in rxs: + 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[GRE] + 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(TestIpsecGreIfEsp, self).setUp() + + self.tun_if = self.pg0 + + p = self.ipv4_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, + self.pg0.local_ip4, + self.pg0.remote_ip4) + 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, + self.pg0.remote_ip4, + self.pg0.local_ip4) + p.tun_sa_in.add_vpp_config() + + self.tun = VppGreInterface(self, + self.pg0.local_ip4, + self.pg0.remote_ip4) + self.tun.add_vpp_config() + + p.tun_protect = VppIpsecTunProtect(self, + self.tun, + p.tun_sa_out, + [p.tun_sa_in]) + p.tun_protect.add_vpp_config() + + self.tun.admin_up() + self.tun.config_ip4() + + VppIpRoute(self, "1.1.1.2", 32, + [VppRoutePath(self.tun.remote_ip4, + 0xffffffff)]).add_vpp_config() + + def tearDown(self): + self.tun.unconfig_ip4() + super(TestIpsecGreIfEsp, self).tearDown() + + +class TemplateIpsec4TunProtect(object): + """ IPsec IPv4 Tunnel protect """ + + def config_sa_tra(self, p): + config_tun_params(p, self.encryption_type, self.tun_if) + + 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() + + def config_sa_tun(self, p): + config_tun_params(p, self.encryption_type, self.tun_if) + + 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, + self.tun_if.remote_addr[p.addr_type], + self.tun_if.local_addr[p.addr_type]) + 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, + self.tun_if.remote_addr[p.addr_type], + self.tun_if.local_addr[p.addr_type]) + p.tun_sa_in.add_vpp_config() + + def config_protect(self, p): + p.tun_protect = VppIpsecTunProtect(self, + p.tun_if, + p.tun_sa_out, + [p.tun_sa_in]) + p.tun_protect.add_vpp_config() + + def config_network(self, p): + p.tun_if = VppIpIpTunInterface(self, self.pg0, + self.pg0.local_ip4, + self.pg0.remote_ip4) + p.tun_if.add_vpp_config() + p.tun_if.admin_up() + p.tun_if.config_ip4() + + 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.route.remove_vpp_config() + p.tun_if.remove_vpp_config() + + def unconfig_protect(self, p): + p.tun_protect.remove_vpp_config() + + def unconfig_sa(self, p): + p.tun_sa_out.remove_vpp_config() + p.tun_sa_in.remove_vpp_config() + + +class TestIpsec4TunProtect(TemplateIpsec, + TemplateIpsec4TunProtect, + IpsecTun4): + """ IPsec IPv4 Tunnel protect - transport mode""" + + encryption_type = ESP + tun4_encrypt_node_name = "esp4-encrypt-tun" + tun4_decrypt_node_name = "esp4-decrypt-tun" + + def setUp(self): + super(TestIpsec4TunProtect, self).setUp() + + self.tun_if = self.pg0 + + def tearDown(self): + super(TestIpsec4TunProtect, self).tearDown() + + def test_tun_44(self): + """IPSEC tunnel protect""" + + p = self.ipv4_params + + self.config_network(p) + self.config_sa_tra(p) + self.config_protect(p) + + self.verify_tun_44(p, count=127) + c = p.tun_if.get_rx_stats() + self.assertEqual(c['packets'], 127) + c = p.tun_if.get_tx_stats() + self.assertEqual(c['packets'], 127) + + # rekey - create new SAs and update the tunnel protection + np = copy.copy(p) + np.crypt_key = 'X' + p.crypt_key[1:] + np.scapy_tun_spi += 100 + np.scapy_tun_sa_id += 1 + np.vpp_tun_spi += 100 + np.vpp_tun_sa_id += 1 + np.tun_if.local_spi = p.vpp_tun_spi + np.tun_if.remote_spi = p.scapy_tun_spi + + self.config_sa_tra(np) + self.config_protect(np) + self.unconfig_sa(p) + + self.verify_tun_44(np, count=127) + c = p.tun_if.get_rx_stats() + self.assertEqual(c['packets'], 254) + c = p.tun_if.get_tx_stats() + self.assertEqual(c['packets'], 254) + + # teardown + self.unconfig_protect(np) + self.unconfig_sa(np) + self.unconfig_network(p) + + +class TestIpsec4TunProtectTun(TemplateIpsec, + TemplateIpsec4TunProtect, + IpsecTun4): + """ IPsec IPv4 Tunnel protect - tunnel mode""" + + encryption_type = ESP + tun4_encrypt_node_name = "esp4-encrypt-tun" + tun4_decrypt_node_name = "esp4-decrypt-tun" + + def setUp(self): + super(TestIpsec4TunProtectTun, self).setUp() + + self.tun_if = self.pg0 + + def tearDown(self): + super(TestIpsec4TunProtectTun, 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=sw_intf.local_ip4) / + IP(src=src, dst=dst) / + UDP(sport=1144, dport=2233) / + Raw('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) / + IP(src=src, dst=dst) / + UDP(sport=1144, dport=2233) / + Raw('X' * payload_size) + for i in range(count)] + + def verify_decrypted(self, p, rxs): + for rx in rxs: + self.assert_equal(rx[IP].dst, self.pg1.remote_ip4) + self.assert_equal(rx[IP].src, p.remote_tun_if_host) + self.assert_packet_checksums_valid(rx) + + def verify_encrypted(self, p, sa, rxs): + for rx in rxs: + 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) + inner = pkt[IP].payload + self.assertEqual(inner[IP][IP].dst, p.remote_tun_if_host) + + except (IndexError, AssertionError): + self.logger.debug(ppp("Unexpected packet:", rx)) + try: + self.logger.debug(ppp("Decrypted packet:", pkt)) + except: + pass + raise + + def test_tun_44(self): + """IPSEC tunnel protect """ + + p = self.ipv4_params + + self.config_network(p) + self.config_sa_tun(p) + self.config_protect(p) + + self.verify_tun_44(p, count=127) + + c = p.tun_if.get_rx_stats() + self.assertEqual(c['packets'], 127) + c = p.tun_if.get_tx_stats() + self.assertEqual(c['packets'], 127) + + # rekey - create new SAs and update the tunnel protection + np = copy.copy(p) + np.crypt_key = 'X' + p.crypt_key[1:] + np.scapy_tun_spi += 100 + np.scapy_tun_sa_id += 1 + np.vpp_tun_spi += 100 + np.vpp_tun_sa_id += 1 + np.tun_if.local_spi = p.vpp_tun_spi + np.tun_if.remote_spi = p.scapy_tun_spi + + self.config_sa_tun(np) + self.config_protect(np) + self.unconfig_sa(p) + + self.verify_tun_44(np, count=127) + c = p.tun_if.get_rx_stats() + self.assertEqual(c['packets'], 254) + c = p.tun_if.get_tx_stats() + self.assertEqual(c['packets'], 254) + + # teardown + self.unconfig_protect(np) + self.unconfig_sa(np) + self.unconfig_network(p) + + +class TemplateIpsec6TunProtect(object): + """ IPsec IPv6 Tunnel protect """ + + def config_sa_tra(self, p): + config_tun_params(p, self.encryption_type, self.tun_if) + + 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() + + def config_sa_tun(self, p): + config_tun_params(p, self.encryption_type, self.tun_if) + + 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, + self.tun_if.remote_addr[p.addr_type], + self.tun_if.local_addr[p.addr_type]) + 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, + self.tun_if.remote_addr[p.addr_type], + self.tun_if.local_addr[p.addr_type]) + p.tun_sa_in.add_vpp_config() + + def config_protect(self, p): + p.tun_protect = VppIpsecTunProtect(self, + p.tun_if, + p.tun_sa_out, + [p.tun_sa_in]) + p.tun_protect.add_vpp_config() + + def config_network(self, p): + p.tun_if = VppIpIpTunInterface(self, self.pg0, + self.pg0.local_ip6, + self.pg0.remote_ip6) + p.tun_if.add_vpp_config() + p.tun_if.admin_up() + p.tun_if.config_ip6() + + p.route = VppIpRoute(self, p.remote_tun_if_host, 128, + [VppRoutePath(p.tun_if.remote_ip6, + 0xffffffff, + proto=DpoProto.DPO_PROTO_IP6)], + is_ip6=1) + p.route.add_vpp_config() + + def unconfig_network(self, p): + p.route.remove_vpp_config() + p.tun_if.remove_vpp_config() + + def unconfig_protect(self, p): + p.tun_protect.remove_vpp_config() + + def unconfig_sa(self, p): + p.tun_sa_out.remove_vpp_config() + p.tun_sa_in.remove_vpp_config() + + +class TestIpsec6TunProtect(TemplateIpsec, + TemplateIpsec6TunProtect, + IpsecTun6): + """ IPsec IPv6 Tunnel protect - transport mode""" + + encryption_type = ESP + tun6_encrypt_node_name = "esp6-encrypt-tun" + tun6_decrypt_node_name = "esp6-decrypt-tun" + + def setUp(self): + super(TestIpsec6TunProtect, self).setUp() + + self.tun_if = self.pg0 + + def tearDown(self): + super(TestIpsec6TunProtect, self).tearDown() + + def test_tun_66(self): + """IPSEC tunnel protect""" + + p = self.ipv6_params + + self.config_network(p) + self.config_sa_tra(p) + self.config_protect(p) + + self.verify_tun_66(p, count=127) + c = p.tun_if.get_rx_stats() + self.assertEqual(c['packets'], 127) + c = p.tun_if.get_tx_stats() + self.assertEqual(c['packets'], 127) + + # rekey - create new SAs and update the tunnel protection + np = copy.copy(p) + np.crypt_key = 'X' + p.crypt_key[1:] + np.scapy_tun_spi += 100 + np.scapy_tun_sa_id += 1 + np.vpp_tun_spi += 100 + np.vpp_tun_sa_id += 1 + np.tun_if.local_spi = p.vpp_tun_spi + np.tun_if.remote_spi = p.scapy_tun_spi + + self.config_sa_tra(np) + self.config_protect(np) + self.unconfig_sa(p) + + self.verify_tun_66(np, count=127) + c = p.tun_if.get_rx_stats() + self.assertEqual(c['packets'], 254) + c = p.tun_if.get_tx_stats() + self.assertEqual(c['packets'], 254) + + # 3 phase rekey + # 1) add two input SAs [old, new] + # 2) swap output SA to [new] + # 3) use only [new] input SA + np3 = copy.copy(np) + np3.crypt_key = 'Z' + p.crypt_key[1:] + np3.scapy_tun_spi += 100 + np3.scapy_tun_sa_id += 1 + np3.vpp_tun_spi += 100 + np3.vpp_tun_sa_id += 1 + np3.tun_if.local_spi = p.vpp_tun_spi + np3.tun_if.remote_spi = p.scapy_tun_spi + + self.config_sa_tra(np3) + + # step 1; + p.tun_protect.update_vpp_config(np.tun_sa_out, + [np.tun_sa_in, np3.tun_sa_in]) + self.verify_tun_66(np, np, count=127) + self.verify_tun_66(np3, np, count=127) + + # step 2; + p.tun_protect.update_vpp_config(np3.tun_sa_out, + [np.tun_sa_in, np3.tun_sa_in]) + self.verify_tun_66(np, np3, count=127) + self.verify_tun_66(np3, np3, count=127) + + # step 1; + p.tun_protect.update_vpp_config(np3.tun_sa_out, + [np3.tun_sa_in]) + self.verify_tun_66(np3, np3, count=127) + self.verify_drop_tun_66(np, count=127) + + c = p.tun_if.get_rx_stats() + self.assertEqual(c['packets'], 127*7) + c = p.tun_if.get_tx_stats() + self.assertEqual(c['packets'], 127*7) + self.unconfig_sa(np) + + # teardown + self.unconfig_protect(np3) + self.unconfig_sa(np3) + self.unconfig_network(p) + + +class TestIpsec6TunProtectTun(TemplateIpsec, + TemplateIpsec6TunProtect, + IpsecTun6): + """ IPsec IPv6 Tunnel protect - tunnel mode""" + + encryption_type = ESP + tun6_encrypt_node_name = "esp6-encrypt-tun" + tun6_decrypt_node_name = "esp6-decrypt-tun" + + def setUp(self): + super(TestIpsec6TunProtectTun, self).setUp() + + self.tun_if = self.pg0 + + def tearDown(self): + super(TestIpsec6TunProtectTun, self).tearDown() + + 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=sw_intf.remote_ip6, + dst=sw_intf.local_ip6) / + IPv6(src=src, dst=dst) / + UDP(sport=1166, dport=2233) / + Raw('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=src, dst=dst) / + UDP(sport=1166, dport=2233) / + Raw('X' * payload_size) + for i in range(count)] + + def verify_decrypted6(self, p, rxs): + for rx in rxs: + self.assert_equal(rx[IPv6].dst, self.pg1.remote_ip6) + self.assert_equal(rx[IPv6].src, p.remote_tun_if_host) + self.assert_packet_checksums_valid(rx) + + 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.assert_equal(pkt[IPv6].dst, self.pg0.remote_ip6) + self.assert_equal(pkt[IPv6].src, self.pg0.local_ip6) + inner = pkt[IPv6].payload + self.assertEqual(inner[IPv6][IPv6].dst, p.remote_tun_if_host) + + except (IndexError, AssertionError): + self.logger.debug(ppp("Unexpected packet:", rx)) + try: + self.logger.debug(ppp("Decrypted packet:", pkt)) + except: + pass + raise + + def test_tun_66(self): + """IPSEC tunnel protect """ + + p = self.ipv6_params + + self.config_network(p) + self.config_sa_tun(p) + self.config_protect(p) + + self.verify_tun_66(p, count=127) + + c = p.tun_if.get_rx_stats() + self.assertEqual(c['packets'], 127) + c = p.tun_if.get_tx_stats() + self.assertEqual(c['packets'], 127) + + # rekey - create new SAs and update the tunnel protection + np = copy.copy(p) + np.crypt_key = 'X' + p.crypt_key[1:] + np.scapy_tun_spi += 100 + np.scapy_tun_sa_id += 1 + np.vpp_tun_spi += 100 + np.vpp_tun_sa_id += 1 + np.tun_if.local_spi = p.vpp_tun_spi + np.tun_if.remote_spi = p.scapy_tun_spi + + self.config_sa_tun(np) + self.config_protect(np) + self.unconfig_sa(p) + + self.verify_tun_66(np, count=127) + c = p.tun_if.get_rx_stats() + self.assertEqual(c['packets'], 254) + c = p.tun_if.get_tx_stats() + self.assertEqual(c['packets'], 254) + + # teardown + self.unconfig_protect(np) + self.unconfig_sa(np) + self.unconfig_network(p) + if __name__ == '__main__': unittest.main(testRunner=VppTestRunner) |