X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftest_ipsec_tun_if_esp.py;h=8f1bd7cb14f1c3a9afd0bed5ed6fc0b87e46e926;hb=refs%2Fchanges%2F34%2F19134%2F2;hp=5af37bfac73cee2befdf7b951fa02bbb04ffda2e;hpb=d7603d97e046d59aba6864b208c181b39fc72b52;p=vpp.git diff --git a/test/test_ipsec_tun_if_esp.py b/test/test_ipsec_tun_if_esp.py index 5af37bfac73..8f1bd7cb14f 100644 --- a/test/test_ipsec_tun_if_esp.py +++ b/test/test_ipsec_tun_if_esp.py @@ -1,12 +1,20 @@ import unittest import socket import copy + from scapy.layers.ipsec import ESP -from framework import VppTestRunner +from scapy.layers.l2 import Ether, Raw, GRE +from scapy.layers.inet import IP, UDP +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 +from vpp_ipsec_tun_interface import VppIpsecTunInterface, \ + VppIpsecGRETunInterface from vpp_ip_route import VppIpRoute, VppRoutePath, DpoProto +from vpp_ipsec import VppIpsecSA +from vpp_l2 import VppBridgeDomain, VppBridgeDomainPort +from util import ppp +from vpp_papi import VppEnum class TemplateIpsec4TunIfEsp(TemplateIpsec): @@ -14,6 +22,14 @@ class TemplateIpsec4TunIfEsp(TemplateIpsec): encryption_type = ESP + @classmethod + def setUpClass(cls): + super(TemplateIpsec4TunIfEsp, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TemplateIpsec4TunIfEsp, cls).tearDownClass() + def setUp(self): super(TemplateIpsec4TunIfEsp, self).setUp() @@ -186,6 +202,188 @@ class TestIpsec4MultiTunIfEsp(TemplateIpsec, IpsecTun4): self.assertEqual(c['packets'], 127) +class TestIpsec4TunIfEspAll(TemplateIpsec, IpsecTun4): + """ IPsec IPv4 Tunnel interface all Algos """ + + encryption_type = ESP + tun4_encrypt_node_name = "esp4-encrypt" + tun4_decrypt_node_name = "esp4-decrypt" + + def config_network(self, p): + config_tun_params(p, self.encryption_type, self.tun_if) + + 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() + 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(TestIpsec4TunIfEspAll, self).setUp() + + self.tun_if = self.pg0 + + def tearDown(self): + super(TestIpsec4TunIfEspAll, self).tearDown() + + def rekey(self, p): + # + # change the key and the SPI + # + p.crypt_key = 'X' + p.crypt_key[1:] + p.scapy_tun_spi += 1 + p.scapy_tun_sa_id += 1 + p.vpp_tun_spi += 1 + p.vpp_tun_sa_id += 1 + p.tun_if.local_spi = p.vpp_tun_spi + p.tun_if.remote_spi = p.scapy_tun_spi + + config_tun_params(p, self.encryption_type, self.tun_if) + + p.tun_sa_in = 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.local_addr[p.addr_type], + self.tun_if.remote_addr[p.addr_type], + flags=p.flags, + salt=p.salt) + p.tun_sa_out = 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], + flags=p.flags, + salt=p.salt) + p.tun_sa_in.add_vpp_config() + p.tun_sa_out.add_vpp_config() + + self.vapi.ipsec_tunnel_if_set_sa(sw_if_index=p.tun_if.sw_if_index, + sa_id=p.tun_sa_in.id, + is_outbound=1) + self.vapi.ipsec_tunnel_if_set_sa(sw_if_index=p.tun_if.sw_if_index, + sa_id=p.tun_sa_out.id, + is_outbound=0) + self.logger.info(self.vapi.cli("sh ipsec sa")) + + def test_tun_44(self): + """IPSEC tunnel all algos """ + + # foreach VPP crypto engine + engines = ["ia32", "ipsecmb", "openssl"] + + # foreach crypto algorithm + algos = [{'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t. + IPSEC_API_CRYPTO_ALG_AES_GCM_128), + 'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t. + IPSEC_API_INTEG_ALG_NONE), + 'scapy-crypto': "AES-GCM", + 'scapy-integ': "NULL", + 'key': "JPjyOWBeVEQiMe7h", + 'salt': 3333}, + {'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t. + IPSEC_API_CRYPTO_ALG_AES_GCM_192), + 'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t. + IPSEC_API_INTEG_ALG_NONE), + 'scapy-crypto': "AES-GCM", + 'scapy-integ': "NULL", + 'key': "JPjyOWBeVEQiMe7hJPjyOWBe", + 'salt': 0}, + {'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t. + IPSEC_API_CRYPTO_ALG_AES_GCM_256), + 'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t. + IPSEC_API_INTEG_ALG_NONE), + 'scapy-crypto': "AES-GCM", + 'scapy-integ': "NULL", + 'key': "JPjyOWBeVEQiMe7hJPjyOWBeVEQiMe7h", + 'salt': 9999}, + {'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t. + IPSEC_API_CRYPTO_ALG_AES_CBC_128), + 'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t. + IPSEC_API_INTEG_ALG_SHA1_96), + 'scapy-crypto': "AES-CBC", + 'scapy-integ': "HMAC-SHA1-96", + 'salt': 0, + 'key': "JPjyOWBeVEQiMe7h"}, + {'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t. + IPSEC_API_CRYPTO_ALG_AES_CBC_192), + 'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t. + IPSEC_API_INTEG_ALG_SHA1_96), + 'scapy-crypto': "AES-CBC", + 'scapy-integ': "HMAC-SHA1-96", + 'salt': 0, + 'key': "JPjyOWBeVEQiMe7hJPjyOWBe"}, + {'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t. + IPSEC_API_CRYPTO_ALG_AES_CBC_256), + 'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t. + IPSEC_API_INTEG_ALG_SHA1_96), + 'scapy-crypto': "AES-CBC", + 'scapy-integ': "HMAC-SHA1-96", + 'salt': 0, + 'key': "JPjyOWBeVEQiMe7hJPjyOWBeVEQiMe7h"}] + + 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']): + + p = copy.copy(self.ipv4_params) + p.auth_algo_vpp_id = algo['vpp-integ'] + p.crypt_algo_vpp_id = algo['vpp-crypto'] + p.crypt_algo = algo['scapy-crypto'] + p.auth_algo = algo['scapy-integ'] + p.crypt_key = algo['key'] + p.salt = algo['salt'] + + self.config_network(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 the tunnel + # + self.rekey(p) + self.verify_tun_44(p, count=127) + + self.unconfig_network(p) + p.tun_sa_out.remove_vpp_config() + p.tun_sa_in.remove_vpp_config() + + class TestIpsec6MultiTunIfEsp(TemplateIpsec, IpsecTun6): """ IPsec IPv6 Multi Tunnel interface """ @@ -248,5 +446,111 @@ class TestIpsec6MultiTunIfEsp(TemplateIpsec, IpsecTun6): self.assertEqual(c['packets'], 127) +class TemplateIpsecGRETunIfEsp(TemplateIpsec): + """ IPsec GRE tunnel interface tests """ + + encryption_type = ESP + omac = "00:11:22:33:44:55" + + 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() / + Ether(dst=self.omac) / + 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 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('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: + 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(TemplateIpsecGRETunIfEsp, 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 = VppIpsecGRETunInterface(self, self.pg0, + p.tun_sa_out.id, + p.tun_sa_in.id) + + self.tun.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() + + def tearDown(self): + if not self.vpp_dead: + self.vapi.cli("show hardware") + self.tun.unconfig_ip4() + super(TemplateIpsecGRETunIfEsp, self).tearDown() + + +@unittest.skipIf(is_skip_aarch64_set and is_platform_aarch64, + "test doesn't work on aarch64") +class TestIpsecGRETunIfEsp1(TemplateIpsecGRETunIfEsp, IpsecTun4Tests): + """ Ipsec GRE ESP - TUN tests """ + tun4_encrypt_node_name = "esp4-encrypt" + tun4_decrypt_node_name = "esp4-decrypt" + if __name__ == '__main__': unittest.main(testRunner=VppTestRunner)