From 53f526b680973df1455bbc77986ec133d470898a Mon Sep 17 00:00:00 2001 From: Neale Ranns Date: Mon, 25 Feb 2019 14:32:02 +0000 Subject: TEST: IPSEC NAT-T with UDP header Change-Id: I5ef8b3f4be40a7a0b0f1cb90dc0e15a4711e8664 Signed-off-by: Neale Ranns --- src/vnet/ipsec/ipsec.api | 1 + test/template_ipsec.py | 50 ++++--- test/test_ipsec_ah.py | 4 +- test/test_ipsec_esp.py | 332 ++++++++++++++++++++++++++++------------------- 4 files changed, 233 insertions(+), 154 deletions(-) diff --git a/src/vnet/ipsec/ipsec.api b/src/vnet/ipsec/ipsec.api index 1928372c585..778bd69c393 100644 --- a/src/vnet/ipsec/ipsec.api +++ b/src/vnet/ipsec/ipsec.api @@ -235,6 +235,7 @@ enum ipsec_sad_flags /* come-on Ole please fix this */ IPSEC_API_SAD_COMBO_12 = 12, + IPSEC_API_SAD_COMBO_18 = 18, IPSEC_API_SAD_COMBO_20 = 20, }; diff --git a/test/template_ipsec.py b/test/template_ipsec.py index 53b6cec1330..68f1183fbc2 100644 --- a/test/template_ipsec.py +++ b/test/template_ipsec.py @@ -1,7 +1,7 @@ import unittest import socket -from scapy.layers.inet import IP, ICMP, TCP +from scapy.layers.inet import IP, ICMP, TCP, UDP from scapy.layers.ipsec import SecurityAssociation from scapy.layers.l2 import Ether, Raw from scapy.layers.inet6 import IPv6, ICMPv6EchoRequest @@ -41,6 +41,8 @@ class IPsecIPv4Params(object): IPSEC_API_CRYPTO_ALG_AES_CBC_128) self.crypt_algo = 'AES-CBC' # scapy name self.crypt_key = 'JPjyOWBeVEQiMe7h' + self.flags = 0 + self.nat_header = None class IPsecIPv6Params(object): @@ -73,6 +75,8 @@ class IPsecIPv6Params(object): IPSEC_API_CRYPTO_ALG_AES_CBC_256) self.crypt_algo = 'AES-CBC' # scapy name self.crypt_key = 'JPjyOWBeVEQiMe7hJPjyOWBeVEQiMe7h' + self.flags = 0 + self.nat_header = None class TemplateIpsec(VppTestCase): @@ -168,29 +172,35 @@ class TemplateIpsec(VppTestCase): auth_algo=params.auth_algo, auth_key=params.auth_key, tunnel_header=ip_class_by_addr_type[params.addr_type]( src=self.tun_if.remote_addr[params.addr_type], - dst=self.tun_if.local_addr[params.addr_type])) + dst=self.tun_if.local_addr[params.addr_type]), + nat_t_header=params.nat_header) vpp_tun_sa = SecurityAssociation( self.encryption_type, spi=params.scapy_tun_spi, crypt_algo=params.crypt_algo, crypt_key=params.crypt_key, auth_algo=params.auth_algo, auth_key=params.auth_key, tunnel_header=ip_class_by_addr_type[params.addr_type]( dst=self.tun_if.remote_addr[params.addr_type], - src=self.tun_if.local_addr[params.addr_type])) + src=self.tun_if.local_addr[params.addr_type]), + nat_t_header=params.nat_header) return vpp_tun_sa, scapy_tun_sa 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) - 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) + 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): @@ -210,7 +220,7 @@ class IpsecTcpTests(object): self.assert_packet_checksums_valid(decrypted) -class IpsecTraTests(object): +class IpsecTra4Tests(object): def test_tra_anti_replay(self, count=1): """ ipsec v4 transport anti-reply test """ p = self.params[socket.AF_INET] @@ -320,6 +330,8 @@ class IpsecTraTests(object): """ ipsec v4 transport burst test """ self.test_tra_basic(count=257) + +class IpsecTra6Tests(object): def test_tra_basic6(self, count=1): """ ipsec v6 transport basic test """ self.vapi.cli("clear errors") @@ -358,6 +370,10 @@ class IpsecTraTests(object): self.test_tra_basic6(count=257) +class IpsecTra46Tests(IpsecTra4Tests, IpsecTra6Tests): + pass + + class IpsecTun4Tests(object): def test_tun_basic44(self, count=1): """ ipsec 4o4 tunnel basic test """ @@ -477,7 +493,7 @@ class IpsecTun6Tests(object): self.test_tun_basic66(count=257) -class IpsecTunTests(IpsecTun4Tests, IpsecTun6Tests): +class IpsecTun46Tests(IpsecTun4Tests, IpsecTun6Tests): pass diff --git a/test/test_ipsec_ah.py b/test/test_ipsec_ah.py index f99bb852983..7498f51275d 100644 --- a/test/test_ipsec_ah.py +++ b/test/test_ipsec_ah.py @@ -4,7 +4,7 @@ import unittest from scapy.layers.ipsec import AH from framework import VppTestRunner -from template_ipsec import TemplateIpsec, IpsecTraTests, IpsecTunTests +from template_ipsec import TemplateIpsec, IpsecTra46Tests, IpsecTun46Tests from template_ipsec import IpsecTcpTests from vpp_ipsec import VppIpsecSA, VppIpsecSpd, VppIpsecSpdEntry,\ VppIpsecSpdItfBinding @@ -203,7 +203,7 @@ class TemplateIpsecAh(TemplateIpsec): priority=10).add_vpp_config() -class TestIpsecAh1(TemplateIpsecAh, IpsecTraTests, IpsecTunTests): +class TestIpsecAh1(TemplateIpsecAh, IpsecTra46Tests, IpsecTun46Tests): """ Ipsec AH - TUN & TRA tests """ tra4_encrypt_node_name = "ah4-encrypt" tra4_decrypt_node_name = "ah4-decrypt" diff --git a/test/test_ipsec_esp.py b/test/test_ipsec_esp.py index 7a05f0d2183..09b72401541 100644 --- a/test/test_ipsec_esp.py +++ b/test/test_ipsec_esp.py @@ -1,10 +1,11 @@ import socket import unittest from scapy.layers.ipsec import ESP +from scapy.layers.inet import UDP from framework import VppTestRunner -from template_ipsec import IpsecTraTests, IpsecTunTests -from template_ipsec import TemplateIpsec, IpsecTcpTests +from template_ipsec import IpsecTra46Tests, IpsecTun46Tests, TemplateIpsec, \ + IpsecTcpTests, IpsecTun4Tests, IpsecTra4Tests from vpp_ipsec import VppIpsecSpd, VppIpsecSpdEntry, VppIpsecSA,\ VppIpsecSpdItfBinding from vpp_ip_route import VppIpRoute, VppRoutePath @@ -12,6 +13,140 @@ from vpp_ip import DpoProto from vpp_papi import VppEnum +def config_esp_tun(test, params): + addr_type = params.addr_type + scapy_tun_sa_id = params.scapy_tun_sa_id + scapy_tun_spi = params.scapy_tun_spi + vpp_tun_sa_id = params.vpp_tun_sa_id + vpp_tun_spi = params.vpp_tun_spi + auth_algo_vpp_id = params.auth_algo_vpp_id + auth_key = params.auth_key + crypt_algo_vpp_id = params.crypt_algo_vpp_id + crypt_key = params.crypt_key + remote_tun_if_host = params.remote_tun_if_host + addr_any = params.addr_any + addr_bcast = params.addr_bcast + e = VppEnum.vl_api_ipsec_spd_action_t + + params.tun_sa_in = VppIpsecSA(test, scapy_tun_sa_id, scapy_tun_spi, + auth_algo_vpp_id, auth_key, + crypt_algo_vpp_id, crypt_key, + test.vpp_esp_protocol, + test.tun_if.local_addr[addr_type], + test.tun_if.remote_addr[addr_type]) + params.tun_sa_in.add_vpp_config() + params.tun_sa_out = VppIpsecSA(test, vpp_tun_sa_id, vpp_tun_spi, + auth_algo_vpp_id, auth_key, + crypt_algo_vpp_id, crypt_key, + test.vpp_esp_protocol, + test.tun_if.remote_addr[addr_type], + test.tun_if.local_addr[addr_type]) + params.tun_sa_out.add_vpp_config() + + params.spd_policy_in_any = VppIpsecSpdEntry(test, test.tun_spd, + scapy_tun_sa_id, + addr_any, addr_bcast, + addr_any, addr_bcast, + socket.IPPROTO_ESP) + params.spd_policy_in_any.add_vpp_config() + params.spd_policy_out_any = VppIpsecSpdEntry(test, test.tun_spd, + scapy_tun_sa_id, + addr_any, addr_bcast, + addr_any, addr_bcast, + socket.IPPROTO_ESP, + is_outbound=0) + params.spd_policy_out_any.add_vpp_config() + + VppIpsecSpdEntry(test, test.tun_spd, vpp_tun_sa_id, + remote_tun_if_host, remote_tun_if_host, + test.pg1.remote_addr[addr_type], + test.pg1.remote_addr[addr_type], + 0, + priority=10, + policy=e.IPSEC_API_SPD_ACTION_PROTECT, + is_outbound=0).add_vpp_config() + VppIpsecSpdEntry(test, test.tun_spd, scapy_tun_sa_id, + test.pg1.remote_addr[addr_type], + test.pg1.remote_addr[addr_type], + remote_tun_if_host, remote_tun_if_host, + 0, + policy=e.IPSEC_API_SPD_ACTION_PROTECT, + priority=10).add_vpp_config() + + VppIpsecSpdEntry(test, test.tun_spd, vpp_tun_sa_id, + remote_tun_if_host, remote_tun_if_host, + test.pg0.local_addr[addr_type], + test.pg0.local_addr[addr_type], + 0, + priority=20, + policy=e.IPSEC_API_SPD_ACTION_PROTECT, + is_outbound=0).add_vpp_config() + VppIpsecSpdEntry(test, test.tun_spd, scapy_tun_sa_id, + test.pg0.local_addr[addr_type], + test.pg0.local_addr[addr_type], + remote_tun_if_host, remote_tun_if_host, + 0, + policy=e.IPSEC_API_SPD_ACTION_PROTECT, + priority=20).add_vpp_config() + + +def config_esp_tra(test, params): + addr_type = params.addr_type + scapy_tra_sa_id = params.scapy_tra_sa_id + scapy_tra_spi = params.scapy_tra_spi + vpp_tra_sa_id = params.vpp_tra_sa_id + vpp_tra_spi = params.vpp_tra_spi + auth_algo_vpp_id = params.auth_algo_vpp_id + auth_key = params.auth_key + crypt_algo_vpp_id = params.crypt_algo_vpp_id + crypt_key = params.crypt_key + addr_any = params.addr_any + addr_bcast = params.addr_bcast + flags = (VppEnum.vl_api_ipsec_sad_flags_t. + IPSEC_API_SAD_FLAG_USE_ANTI_REPLAY) + e = VppEnum.vl_api_ipsec_spd_action_t + flags = params.flags | flags + + params.tra_sa_in = VppIpsecSA(test, scapy_tra_sa_id, scapy_tra_spi, + auth_algo_vpp_id, auth_key, + crypt_algo_vpp_id, crypt_key, + test.vpp_esp_protocol, + flags=flags) + params.tra_sa_in.add_vpp_config() + params.tra_sa_out = VppIpsecSA(test, vpp_tra_sa_id, vpp_tra_spi, + auth_algo_vpp_id, auth_key, + crypt_algo_vpp_id, crypt_key, + test.vpp_esp_protocol, + flags=flags) + params.tra_sa_out.add_vpp_config() + + VppIpsecSpdEntry(test, test.tra_spd, vpp_tra_sa_id, + addr_any, addr_bcast, + addr_any, addr_bcast, + socket.IPPROTO_ESP).add_vpp_config() + VppIpsecSpdEntry(test, test.tra_spd, vpp_tra_sa_id, + addr_any, addr_bcast, + addr_any, addr_bcast, + socket.IPPROTO_ESP, + is_outbound=0).add_vpp_config() + + VppIpsecSpdEntry(test, test.tra_spd, vpp_tra_sa_id, + test.tra_if.local_addr[addr_type], + test.tra_if.local_addr[addr_type], + test.tra_if.remote_addr[addr_type], + test.tra_if.remote_addr[addr_type], + 0, priority=10, + policy=e.IPSEC_API_SPD_ACTION_PROTECT, + is_outbound=0).add_vpp_config() + VppIpsecSpdEntry(test, test.tra_spd, scapy_tra_sa_id, + test.tra_if.local_addr[addr_type], + test.tra_if.local_addr[addr_type], + test.tra_if.remote_addr[addr_type], + test.tra_if.remote_addr[addr_type], + 0, policy=e.IPSEC_API_SPD_ACTION_PROTECT, + priority=10).add_vpp_config() + + class TemplateIpsecEsp(TemplateIpsec): """ Basic test for ipsec esp sanity - tunnel and transport modes. @@ -42,6 +177,8 @@ class TemplateIpsecEsp(TemplateIpsec): |pg0| -------> |VPP| ------> |pg1| --- --- --- """ + config_esp_tun = config_esp_tun + config_esp_tra = config_esp_tra def setUp(self): super(TemplateIpsecEsp, self).setUp() @@ -82,139 +219,8 @@ class TemplateIpsecEsp(TemplateIpsec): if not self.vpp_dead: self.vapi.cli("show hardware") - def config_esp_tun(self, params): - addr_type = params.addr_type - scapy_tun_sa_id = params.scapy_tun_sa_id - scapy_tun_spi = params.scapy_tun_spi - vpp_tun_sa_id = params.vpp_tun_sa_id - vpp_tun_spi = params.vpp_tun_spi - auth_algo_vpp_id = params.auth_algo_vpp_id - auth_key = params.auth_key - crypt_algo_vpp_id = params.crypt_algo_vpp_id - crypt_key = params.crypt_key - remote_tun_if_host = params.remote_tun_if_host - addr_any = params.addr_any - addr_bcast = params.addr_bcast - e = VppEnum.vl_api_ipsec_spd_action_t - - params.tun_sa_in = VppIpsecSA(self, scapy_tun_sa_id, scapy_tun_spi, - auth_algo_vpp_id, auth_key, - crypt_algo_vpp_id, crypt_key, - self.vpp_esp_protocol, - self.tun_if.local_addr[addr_type], - self.tun_if.remote_addr[addr_type]) - params.tun_sa_in.add_vpp_config() - params.tun_sa_out = VppIpsecSA(self, vpp_tun_sa_id, vpp_tun_spi, - auth_algo_vpp_id, auth_key, - crypt_algo_vpp_id, crypt_key, - self.vpp_esp_protocol, - self.tun_if.remote_addr[addr_type], - self.tun_if.local_addr[addr_type]) - params.tun_sa_out.add_vpp_config() - - params.spd_policy_in_any = VppIpsecSpdEntry(self, self.tun_spd, - scapy_tun_sa_id, - addr_any, addr_bcast, - addr_any, addr_bcast, - socket.IPPROTO_ESP) - params.spd_policy_in_any.add_vpp_config() - params.spd_policy_out_any = VppIpsecSpdEntry(self, self.tun_spd, - scapy_tun_sa_id, - addr_any, addr_bcast, - addr_any, addr_bcast, - socket.IPPROTO_ESP, - is_outbound=0) - params.spd_policy_out_any.add_vpp_config() - - VppIpsecSpdEntry(self, self.tun_spd, vpp_tun_sa_id, - remote_tun_if_host, remote_tun_if_host, - self.pg1.remote_addr[addr_type], - self.pg1.remote_addr[addr_type], - 0, - priority=10, - policy=e.IPSEC_API_SPD_ACTION_PROTECT, - is_outbound=0).add_vpp_config() - VppIpsecSpdEntry(self, self.tun_spd, scapy_tun_sa_id, - self.pg1.remote_addr[addr_type], - self.pg1.remote_addr[addr_type], - remote_tun_if_host, remote_tun_if_host, - 0, - policy=e.IPSEC_API_SPD_ACTION_PROTECT, - priority=10).add_vpp_config() - - VppIpsecSpdEntry(self, self.tun_spd, vpp_tun_sa_id, - remote_tun_if_host, remote_tun_if_host, - self.pg0.local_addr[addr_type], - self.pg0.local_addr[addr_type], - 0, - priority=20, - policy=e.IPSEC_API_SPD_ACTION_PROTECT, - is_outbound=0).add_vpp_config() - VppIpsecSpdEntry(self, self.tun_spd, scapy_tun_sa_id, - self.pg0.local_addr[addr_type], - self.pg0.local_addr[addr_type], - remote_tun_if_host, remote_tun_if_host, - 0, - policy=e.IPSEC_API_SPD_ACTION_PROTECT, - priority=20).add_vpp_config() - - def config_esp_tra(self, params): - addr_type = params.addr_type - scapy_tra_sa_id = params.scapy_tra_sa_id - scapy_tra_spi = params.scapy_tra_spi - vpp_tra_sa_id = params.vpp_tra_sa_id - vpp_tra_spi = params.vpp_tra_spi - auth_algo_vpp_id = params.auth_algo_vpp_id - auth_key = params.auth_key - crypt_algo_vpp_id = params.crypt_algo_vpp_id - crypt_key = params.crypt_key - addr_any = params.addr_any - addr_bcast = params.addr_bcast - flags = (VppEnum.vl_api_ipsec_sad_flags_t. - IPSEC_API_SAD_FLAG_USE_ANTI_REPLAY) - e = VppEnum.vl_api_ipsec_spd_action_t - - params.tra_sa_in = VppIpsecSA(self, scapy_tra_sa_id, scapy_tra_spi, - auth_algo_vpp_id, auth_key, - crypt_algo_vpp_id, crypt_key, - self.vpp_esp_protocol, - flags=flags) - params.tra_sa_in.add_vpp_config() - params.tra_sa_out = VppIpsecSA(self, vpp_tra_sa_id, vpp_tra_spi, - auth_algo_vpp_id, auth_key, - crypt_algo_vpp_id, crypt_key, - self.vpp_esp_protocol, - flags=flags) - params.tra_sa_out.add_vpp_config() - - VppIpsecSpdEntry(self, self.tra_spd, vpp_tra_sa_id, - addr_any, addr_bcast, - addr_any, addr_bcast, - socket.IPPROTO_ESP).add_vpp_config() - VppIpsecSpdEntry(self, self.tra_spd, vpp_tra_sa_id, - addr_any, addr_bcast, - addr_any, addr_bcast, - socket.IPPROTO_ESP, - is_outbound=0).add_vpp_config() - - VppIpsecSpdEntry(self, self.tra_spd, vpp_tra_sa_id, - self.tra_if.local_addr[addr_type], - self.tra_if.local_addr[addr_type], - self.tra_if.remote_addr[addr_type], - self.tra_if.remote_addr[addr_type], - 0, priority=10, - policy=e.IPSEC_API_SPD_ACTION_PROTECT, - is_outbound=0).add_vpp_config() - VppIpsecSpdEntry(self, self.tra_spd, scapy_tra_sa_id, - self.tra_if.local_addr[addr_type], - self.tra_if.local_addr[addr_type], - self.tra_if.remote_addr[addr_type], - self.tra_if.remote_addr[addr_type], - 0, policy=e.IPSEC_API_SPD_ACTION_PROTECT, - priority=10).add_vpp_config() - - -class TestIpsecEsp1(TemplateIpsecEsp, IpsecTraTests, IpsecTunTests): + +class TestIpsecEsp1(TemplateIpsecEsp, IpsecTra46Tests, IpsecTun46Tests): """ Ipsec ESP - TUN & TRA tests """ tra4_encrypt_node_name = "esp4-encrypt" tra4_decrypt_node_name = "esp4-decrypt" @@ -231,5 +237,61 @@ class TestIpsecEsp2(TemplateIpsecEsp, IpsecTcpTests): pass +class TemplateIpsecEspUdp(TemplateIpsec): + """ + UDP encapped ESP + """ + config_esp_tun = config_esp_tun + config_esp_tra = config_esp_tra + + def setUp(self): + super(TemplateIpsecEspUdp, self).setUp() + self.encryption_type = ESP + self.tun_if = self.pg0 + self.tra_if = self.pg2 + self.logger.info(self.vapi.ppcli("show int addr")) + + 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) + + self.tra_spd = VppIpsecSpd(self, self.tra_spd_id) + self.tra_spd.add_vpp_config() + VppIpsecSpdItfBinding(self, self.tra_spd, + self.tra_if).add_vpp_config() + + self.config_esp_tra(p) + self.configure_sa_tra(p) + + self.tun_spd = VppIpsecSpd(self, self.tun_spd_id) + self.tun_spd.add_vpp_config() + VppIpsecSpdItfBinding(self, self.tun_spd, + self.tun_if).add_vpp_config() + + self.config_esp_tun(p) + self.logger.info(self.vapi.ppcli("show ipsec")) + + d = DpoProto.DPO_PROTO_IP4 + VppIpRoute(self, p.remote_tun_if_host, p.addr_len, + [VppRoutePath(self.tun_if.remote_addr[p.addr_type], + 0xffffffff, + proto=d)]).add_vpp_config() + + def tearDown(self): + super(TemplateIpsecEspUdp, self).tearDown() + if not self.vpp_dead: + self.vapi.cli("show hardware") + + +class TestIpsecEspUdp(TemplateIpsecEspUdp, IpsecTra4Tests, IpsecTun4Tests): + """ Ipsec NAT-T ESP UDP tests """ + tra4_encrypt_node_name = "esp4-encrypt" + tra4_decrypt_node_name = "esp4-decrypt" + tun4_encrypt_node_name = "esp4-encrypt" + tun4_decrypt_node_name = "esp4-decrypt" + pass + + if __name__ == '__main__': unittest.main(testRunner=VppTestRunner) -- cgit 1.2.3-korg