diff options
Diffstat (limited to 'test/test_ipsec_tun_if_esp.py')
-rw-r--r-- | test/test_ipsec_tun_if_esp.py | 116 |
1 files changed, 114 insertions, 2 deletions
diff --git a/test/test_ipsec_tun_if_esp.py b/test/test_ipsec_tun_if_esp.py index 5af37bfac73..8d01185aa68 100644 --- a/test/test_ipsec_tun_if_esp.py +++ b/test/test_ipsec_tun_if_esp.py @@ -2,11 +2,17 @@ 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 class TemplateIpsec4TunIfEsp(TemplateIpsec): @@ -248,5 +254,111 @@ 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) |