X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftest_ipsec_ah.py;h=73577cd21971d4b2f77c698e5e5c01cfdbe0b88f;hb=12989b538;hp=d173b2e3b23683a3446f5573807451bcd05d02bf;hpb=e0d2bd6bd7fc59c0c6ac48195d7f825dc99bfd91;p=vpp.git diff --git a/test/test_ipsec_ah.py b/test/test_ipsec_ah.py index d173b2e3b23..73577cd2197 100644 --- a/test/test_ipsec_ah.py +++ b/test/test_ipsec_ah.py @@ -1,27 +1,24 @@ import socket import unittest -from scapy.layers.inet import IP, ICMP -from scapy.layers.l2 import Ether, Raw -from scapy.layers.ipsec import SecurityAssociation, AH +from scapy.layers.ipsec import AH -from framework import VppTestCase, VppTestRunner +from framework import VppTestRunner +from template_ipsec import TemplateIpsec, IpsecTra46Tests, IpsecTun46Tests, \ + config_tun_params, config_tra_params, IPsecIPv4Params, IPsecIPv6Params, \ + IpsecTra4, IpsecTun4, IpsecTra6, IpsecTun6 +from template_ipsec import IpsecTcpTests +from vpp_ipsec import VppIpsecSA, VppIpsecSpd, VppIpsecSpdEntry,\ + VppIpsecSpdItfBinding +from vpp_ip_route import VppIpRoute, VppRoutePath +from vpp_ip import DpoProto +from vpp_papi import VppEnum -class TestIpsecAh(VppTestCase): +class ConfigIpsecAH(TemplateIpsec): """ Basic test for IPSEC using AH transport and Tunnel mode - Below 4 cases are covered as part of this test - 1) ipsec ah v4 transport basic test - IPv4 Transport mode - scenario using HMAC-SHA1-96 intergrity algo - 2) ipsec ah v4 transport burst test - Above test for 257 pkts - 3) ipsec ah 4o4 tunnel basic test - IPv4 Tunnel mode - scenario using HMAC-SHA1-96 intergrity algo - 4) ipsec ah 4o4 tunnel burst test - Above test for 257 pkts - TRANSPORT MODE: --- encrypt --- @@ -37,218 +34,350 @@ class TestIpsecAh(VppTestCase): --- decrypt --- plain --- |pg0| -------> |VPP| ------> |pg1| --- --- --- + """ + encryption_type = AH + net_objs = [] + tra4_encrypt_node_name = "ah4-encrypt" + tra4_decrypt_node_name = "ah4-decrypt" + tra6_encrypt_node_name = "ah6-encrypt" + tra6_decrypt_node_name = "ah6-decrypt" + tun4_encrypt_node_name = "ah4-encrypt" + tun4_decrypt_node_name = "ah4-decrypt" + tun6_encrypt_node_name = "ah6-encrypt" + tun6_decrypt_node_name = "ah6-decrypt" + + @classmethod + def setUpClass(cls): + super(ConfigIpsecAH, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(ConfigIpsecAH, cls).tearDownClass() + + def setUp(self): + super(ConfigIpsecAH, self).setUp() + + def tearDown(self): + super(ConfigIpsecAH, self).tearDown() + + def config_network(self, params): + self.net_objs = [] + self.tun_if = self.pg0 + self.tra_if = self.pg2 + self.logger.info(self.vapi.ppcli("show int addr")) + + self.tra_spd = VppIpsecSpd(self, self.tra_spd_id) + self.tra_spd.add_vpp_config() + self.net_objs.append(self.tra_spd) + self.tun_spd = VppIpsecSpd(self, self.tun_spd_id) + self.tun_spd.add_vpp_config() + self.net_objs.append(self.tun_spd) + + b = VppIpsecSpdItfBinding(self, self.tra_spd, + self.tra_if) + b.add_vpp_config() + self.net_objs.append(b) + + b = VppIpsecSpdItfBinding(self, self.tun_spd, + self.tun_if) + b.add_vpp_config() + self.net_objs.append(b) + + for p in params: + self.config_ah_tra(p) + config_tra_params(p, self.encryption_type) + for p in params: + self.config_ah_tun(p) + config_tun_params(p, self.encryption_type, self.tun_if) + for p in params: + d = DpoProto.DPO_PROTO_IP6 if p.is_ipv6 else DpoProto.DPO_PROTO_IP4 + r = VppIpRoute(self, p.remote_tun_if_host, p.addr_len, + [VppRoutePath(self.tun_if.remote_addr[p.addr_type], + 0xffffffff, + proto=d)]) + r.add_vpp_config() + self.net_objs.append(r) + self.logger.info(self.vapi.ppcli("show ipsec all")) + + def unconfig_network(self): + for o in reversed(self.net_objs): + o.remove_vpp_config() + self.net_objs = [] + + def config_ah_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 + flags = params.flags + e = VppEnum.vl_api_ipsec_spd_action_t + objs = [] - Note : IPv6 is not covered + 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_ah_protocol, + self.tun_if.local_addr[addr_type], + self.tun_if.remote_addr[addr_type], + flags=flags) + + 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_ah_protocol, + self.tun_if.remote_addr[addr_type], + self.tun_if.local_addr[addr_type], + flags=flags) + + objs.append(params.tun_sa_in) + objs.append(params.tun_sa_out) + + params.spd_policy_in_any = VppIpsecSpdEntry(self, self.tun_spd, + vpp_tun_sa_id, + addr_any, addr_bcast, + addr_any, addr_bcast, + socket.IPPROTO_AH) + params.spd_policy_out_any = VppIpsecSpdEntry(self, self.tun_spd, + vpp_tun_sa_id, + addr_any, addr_bcast, + addr_any, addr_bcast, + socket.IPPROTO_AH, + is_outbound=0) + + objs.append(params.spd_policy_out_any) + objs.append(params.spd_policy_in_any) + + e1 = 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) + e2 = 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) + e3 = 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) + e4 = 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) + + objs = objs + [e1, e2, e3, e4] + + for o in objs: + o.add_vpp_config() + + self.net_objs = self.net_objs + objs + + def config_ah_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 = params.flags | (VppEnum.vl_api_ipsec_sad_flags_t. + IPSEC_API_SAD_FLAG_USE_ANTI_REPLAY) + e = VppEnum.vl_api_ipsec_spd_action_t + objs = [] + + 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_ah_protocol, + flags=flags) + 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_ah_protocol, + flags=flags) + + objs.append(params.tra_sa_in) + objs.append(params.tra_sa_out) + + objs.append(VppIpsecSpdEntry(self, self.tra_spd, vpp_tra_sa_id, + addr_any, addr_bcast, + addr_any, addr_bcast, + socket.IPPROTO_AH)) + objs.append(VppIpsecSpdEntry(self, self.tra_spd, scapy_tra_sa_id, + addr_any, addr_bcast, + addr_any, addr_bcast, + socket.IPPROTO_AH, + is_outbound=0)) + objs.append(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)) + objs.append(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)) + + for o in objs: + o.add_vpp_config() + self.net_objs = self.net_objs + objs + + +class TemplateIpsecAh(ConfigIpsecAH): """ + Basic test for IPSEC using AH transport and Tunnel mode - remote_pg0_lb_addr = '1.1.1.1' - remote_pg1_lb_addr = '2.2.2.2' - payload = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" + TRANSPORT MODE: + --- encrypt --- + |pg2| <-------> |VPP| + --- decrypt --- + + TUNNEL MODE: + + --- encrypt --- plain --- + |pg0| <------- |VPP| <------ |pg1| + --- --- --- + + --- decrypt --- plain --- + |pg0| -------> |VPP| ------> |pg1| + --- --- --- + """ @classmethod def setUpClass(cls): - super(TestIpsecAh, cls).setUpClass() - try: - cls.create_pg_interfaces(range(3)) - cls.interfaces = list(cls.pg_interfaces) - for i in cls.interfaces: - i.admin_up() - i.config_ip4() - i.resolve_arp() - cls.logger.info(cls.vapi.ppcli("show int addr")) - cls.config_ah_tra() - cls.logger.info(cls.vapi.ppcli("show ipsec")) - cls.config_ah_tun() - cls.logger.info(cls.vapi.ppcli("show ipsec")) - except Exception: - super(TestIpsecAh, cls).tearDownClass() - raise + super(TemplateIpsecAh, cls).setUpClass() @classmethod - def config_ah_tun(cls): - spd_id = 1 - remote_sa_id = 10 - local_sa_id = 20 - remote_tun_spi = 1001 - local_tun_spi = 1000 - src4 = socket.inet_pton(socket.AF_INET, cls.remote_pg0_lb_addr) - cls.vapi.ip_add_del_route(src4, 32, cls.pg0.remote_ip4n) - dst4 = socket.inet_pton(socket.AF_INET, cls.remote_pg1_lb_addr) - cls.vapi.ip_add_del_route(dst4, 32, cls.pg1.remote_ip4n) - cls.vapi.ipsec_sad_add_del_entry(remote_sa_id, remote_tun_spi, - cls.pg0.local_ip4n, - cls.pg0.remote_ip4n, - integrity_key_length=20) - cls.vapi.ipsec_sad_add_del_entry(local_sa_id, local_tun_spi, - cls.pg0.remote_ip4n, - cls.pg0.local_ip4n, - integrity_key_length=20) - cls.vapi.ipsec_spd_add_del(spd_id) - cls.vapi.ipsec_interface_add_del_spd(spd_id, cls.pg0.sw_if_index) - l_startaddr = r_startaddr = socket.inet_pton(socket.AF_INET, "0.0.0.0") - l_stopaddr = r_stopaddr = socket.inet_pton(socket.AF_INET, - "255.255.255.255") - cls.vapi.ipsec_spd_add_del_entry(spd_id, l_startaddr, l_stopaddr, - r_startaddr, r_stopaddr, - protocol=socket.IPPROTO_AH) - cls.vapi.ipsec_spd_add_del_entry(spd_id, l_startaddr, l_stopaddr, - r_startaddr, r_stopaddr, - protocol=socket.IPPROTO_AH, - is_outbound=0) - l_startaddr = l_stopaddr = socket.inet_pton(socket.AF_INET, - cls.remote_pg0_lb_addr) - r_startaddr = r_stopaddr = socket.inet_pton(socket.AF_INET, - cls.remote_pg1_lb_addr) - cls.vapi.ipsec_spd_add_del_entry(spd_id, l_startaddr, l_stopaddr, - r_startaddr, r_stopaddr, - priority=10, policy=3, - is_outbound=0, sa_id=local_sa_id) - cls.vapi.ipsec_spd_add_del_entry(spd_id, r_startaddr, r_stopaddr, - l_startaddr, l_stopaddr, priority=10, - policy=3, sa_id=remote_sa_id) + def tearDownClass(cls): + super(TemplateIpsecAh, cls).tearDownClass() - @classmethod - def config_ah_tra(cls): - spd_id = 2 - remote_sa_id = 30 - local_sa_id = 40 - remote_tra_spi = 2001 - local_tra_spi = 2000 - cls.vapi.ipsec_sad_add_del_entry(remote_sa_id, remote_tra_spi, - integrity_key_length=20, is_tunnel=0) - cls.vapi.ipsec_sad_add_del_entry(local_sa_id, local_tra_spi, - integrity_key_length=20, is_tunnel=0) - cls.vapi.ipsec_spd_add_del(spd_id) - cls.vapi.ipsec_interface_add_del_spd(spd_id, cls.pg2.sw_if_index) - l_startaddr = r_startaddr = socket.inet_pton(socket.AF_INET, "0.0.0.0") - l_stopaddr = r_stopaddr = socket.inet_pton(socket.AF_INET, - "255.255.255.255") - cls.vapi.ipsec_spd_add_del_entry(spd_id, l_startaddr, l_stopaddr, - r_startaddr, r_stopaddr, - protocol=socket.IPPROTO_AH) - cls.vapi.ipsec_spd_add_del_entry(spd_id, l_startaddr, l_stopaddr, - r_startaddr, r_stopaddr, - protocol=socket.IPPROTO_AH, - is_outbound=0) - l_startaddr = l_stopaddr = cls.pg2.local_ip4n - r_startaddr = r_stopaddr = cls.pg2.remote_ip4n - cls.vapi.ipsec_spd_add_del_entry(spd_id, l_startaddr, l_stopaddr, - r_startaddr, r_stopaddr, - priority=10, policy=3, - is_outbound=0, sa_id=local_sa_id) - cls.vapi.ipsec_spd_add_del_entry(spd_id, l_startaddr, l_stopaddr, - r_startaddr, r_stopaddr, priority=10, - policy=3, sa_id=remote_sa_id) - - def configure_scapy_sa_tun(self): - remote_tun_sa = SecurityAssociation(AH, spi=0x000003e8, - auth_algo='HMAC-SHA1-96', - auth_key='C91KUR9GYMm5GfkEvNjX', - tunnel_header=IP( - src=self.pg0.remote_ip4, - dst=self.pg0.local_ip4)) - local_tun_sa = SecurityAssociation(AH, spi=0x000003e9, - auth_algo='HMAC-SHA1-96', - auth_key='C91KUR9GYMm5GfkEvNjX', - tunnel_header=IP( - dst=self.pg0.remote_ip4, - src=self.pg0.local_ip4)) - return local_tun_sa, remote_tun_sa - - def configure_scapy_sa_tra(self): - remote_tra_sa = SecurityAssociation(AH, spi=0x000007d0, - auth_algo='HMAC-SHA1-96', - auth_key='C91KUR9GYMm5GfkEvNjX') - local_tra_sa = SecurityAssociation(AH, spi=0x000007d1, - auth_algo='HMAC-SHA1-96', - auth_key='C91KUR9GYMm5GfkEvNjX') - return local_tra_sa, remote_tra_sa + def setUp(self): + super(TemplateIpsecAh, self).setUp() + self.config_network(self.params.values()) def tearDown(self): - super(TestIpsecAh, self).tearDown() - if not self.vpp_dead: - self.vapi.cli("show hardware") - - def send_and_expect(self, input, pkts, output, count=1): - input.add_stream(pkts) - self.pg_enable_capture(self.pg_interfaces) - self.pg_start() - rx = output.get_capture(count) - return rx - - def gen_encrypt_pkts(self, sa, sw_intf, src, dst, count=1): - return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / - sa.encrypt(IP(src=src, dst=dst) / ICMP() / self.payload) - ] * count - - def gen_pkts(self, sw_intf, src, dst, count=1): - return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / - IP(src=src, dst=dst) / ICMP() / self.payload - ] * count - - def test_ipsec_ah_tra_basic(self, count=1): - """ ipsec ah v4 transport basic test """ - try: - local_tra_sa, remote_tra_sa = self.configure_scapy_sa_tra() - send_pkts = self.gen_encrypt_pkts(remote_tra_sa, self.pg2, - src=self.pg2.remote_ip4, - dst=self.pg2.local_ip4, - count=count) - recv_pkts = self.send_and_expect(self.pg2, send_pkts, self.pg2, - count=count) - # ESP TRA VPP encryption/decryption verification - for Pkts in recv_pkts: - Pkts[AH].padding = Pkts[AH].icv[12:] - Pkts[AH].icv = Pkts[AH].icv[:12] - local_tra_sa.decrypt(Pkts[IP]) - finally: - self.logger.info(self.vapi.ppcli("show error")) - self.logger.info(self.vapi.ppcli("show ipsec")) - - def test_ipsec_ah_tra_burst(self): - """ ipsec ah v4 transport burst test """ - try: - self.test_ipsec_ah_tra_basic(count=257) - finally: - self.logger.info(self.vapi.ppcli("show error")) - self.logger.info(self.vapi.ppcli("show ipsec")) - - def test_ipsec_ah_tun_basic(self, count=1): - """ ipsec ah 4o4 tunnel basic test """ - try: - local_tun_sa, remote_tun_sa = self.configure_scapy_sa_tun() - send_pkts = self.gen_encrypt_pkts(remote_tun_sa, self.pg0, - src=self.remote_pg0_lb_addr, - dst=self.remote_pg1_lb_addr, - count=count) - recv_pkts = self.send_and_expect(self.pg0, send_pkts, self.pg1, - count=count) - # ESP TUN VPP decryption verification - for recv_pkt in recv_pkts: - self.assert_equal(recv_pkt[IP].src, self.remote_pg0_lb_addr) - self.assert_equal(recv_pkt[IP].dst, self.remote_pg1_lb_addr) - send_pkts = self.gen_pkts(self.pg1, src=self.remote_pg1_lb_addr, - dst=self.remote_pg0_lb_addr, - count=count) - recv_pkts = self.send_and_expect(self.pg1, send_pkts, self.pg0, - count=count) - # ESP TUN VPP encryption verification - for recv_pkt in recv_pkts: - decrypt_pkt = local_tun_sa.decrypt(recv_pkt[IP]) - decrypt_pkt = IP(decrypt_pkt[Raw].load) - self.assert_equal(decrypt_pkt.src, self.remote_pg1_lb_addr) - self.assert_equal(decrypt_pkt.dst, self.remote_pg0_lb_addr) - finally: - self.logger.info(self.vapi.ppcli("show error")) - self.logger.info(self.vapi.ppcli("show ipsec")) - - def test_ipsec_ah_tun_burst(self): - """ ipsec ah 4o4 tunnel burst test """ - try: - self.test_ipsec_ah_tun_basic(count=257) - finally: - self.logger.info(self.vapi.ppcli("show error")) - self.logger.info(self.vapi.ppcli("show ipsec")) + self.unconfig_network() + super(TemplateIpsecAh, self).tearDown() + + +class TestIpsecAh1(TemplateIpsecAh, IpsecTcpTests): + """ Ipsec AH - TCP tests """ + pass + + +class TestIpsecAh2(TemplateIpsecAh, IpsecTra46Tests, IpsecTun46Tests): + """ Ipsec AH w/ SHA1 """ + pass + + +class TestIpsecAhAll(ConfigIpsecAH, + IpsecTra4, IpsecTra6, + IpsecTun4, IpsecTun6): + """ Ipsec AH all Algos """ + + def setUp(self): + super(TestIpsecAhAll, self).setUp() + + def tearDown(self): + super(TestIpsecAhAll, self).tearDown() + + def test_integ_algs(self): + """All Engines SHA[1_96, 256, 384, 512] w/ & w/o ESN""" + # foreach VPP crypto engine + engines = ["ia32", "ipsecmb", "openssl"] + + algos = [{'vpp': VppEnum.vl_api_ipsec_integ_alg_t. + IPSEC_API_INTEG_ALG_SHA1_96, + 'scapy': "HMAC-SHA1-96"}, + {'vpp': VppEnum.vl_api_ipsec_integ_alg_t. + IPSEC_API_INTEG_ALG_SHA_256_128, + 'scapy': "SHA2-256-128"}, + {'vpp': VppEnum.vl_api_ipsec_integ_alg_t. + IPSEC_API_INTEG_ALG_SHA_384_192, + 'scapy': "SHA2-384-192"}, + {'vpp': VppEnum.vl_api_ipsec_integ_alg_t. + IPSEC_API_INTEG_ALG_SHA_512_256, + 'scapy': "SHA2-512-256"}] + + flags = [0, (VppEnum.vl_api_ipsec_sad_flags_t. + IPSEC_API_SAD_FLAG_USE_ESN)] + + # + # loop through the VPP engines + # + for engine in engines: + self.vapi.cli("set crypto handler all %s" % engine) + # + # loop through each of the algorithms + # + for algo in algos: + # with self.subTest(algo=algo['scapy']): + for flag in flags: + # + # setup up the config paramters + # + self.ipv4_params = IPsecIPv4Params() + self.ipv6_params = IPsecIPv6Params() + + self.params = {self.ipv4_params.addr_type: + self.ipv4_params, + self.ipv6_params.addr_type: + self.ipv6_params} + + for _, p in self.params.items(): + p.auth_algo_vpp_id = algo['vpp'] + p.auth_algo = algo['scapy'] + p.flags = p.flags | flag + + # + # configure the SPDs. SAs, etc + # + self.config_network(self.params.values()) + + # + # run some traffic. + # An exhautsive 4o6, 6o4 is not necessary for each algo + # + self.verify_tra_basic6(count=17) + self.verify_tra_basic4(count=17) + self.verify_tun_66(self.params[socket.AF_INET6], count=17) + self.verify_tun_44(self.params[socket.AF_INET], count=17) + + # + # remove the SPDs, SAs, etc + # + self.unconfig_network() if __name__ == '__main__':