diff options
Diffstat (limited to 'test/test_ipsec_ah.py')
| -rw-r--r-- | test/test_ipsec_ah.py | 287 |
1 files changed, 189 insertions, 98 deletions
diff --git a/test/test_ipsec_ah.py b/test/test_ipsec_ah.py index 729f8716d03..d173b2e3b23 100644 --- a/test/test_ipsec_ah.py +++ b/test/test_ipsec_ah.py @@ -1,14 +1,14 @@ import socket import unittest -from scapy.layers.ipsec import AH +from scapy.layers.inet import IP, ICMP +from scapy.layers.l2 import Ether, Raw +from scapy.layers.ipsec import SecurityAssociation, AH -from framework import VppTestRunner -from template_ipsec import TemplateIpsec, IpsecTraTests, IpsecTunTests -from template_ipsec import IpsecTcpTests +from framework import VppTestCase, VppTestRunner -class TemplateIpsecAh(TemplateIpsec): +class TestIpsecAh(VppTestCase): """ Basic test for IPSEC using AH transport and Tunnel mode @@ -41,123 +41,214 @@ class TemplateIpsecAh(TemplateIpsec): Note : IPv6 is not covered """ - encryption_type = AH + remote_pg0_lb_addr = '1.1.1.1' + remote_pg1_lb_addr = '2.2.2.2' + payload = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" @classmethod def setUpClass(cls): - super(TemplateIpsecAh, cls).setUpClass() - cls.tun_if = cls.pg0 - cls.tra_if = cls.pg2 - 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")) - src4 = socket.inet_pton(socket.AF_INET, cls.remote_tun_if_host) - cls.vapi.ip_add_del_route(src4, 32, cls.tun_if.remote_ip4n) + 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 @classmethod def config_ah_tun(cls): - cls.vapi.ipsec_sad_add_del_entry(cls.scapy_tun_sa_id, - cls.scapy_tun_spi, - cls.auth_algo_vpp_id, cls.auth_key, - cls.crypt_algo_vpp_id, - cls.crypt_key, cls.vpp_ah_protocol, - cls.tun_if.local_ip4n, - cls.tun_if.remote_ip4n) - cls.vapi.ipsec_sad_add_del_entry(cls.vpp_tun_sa_id, - cls.vpp_tun_spi, - cls.auth_algo_vpp_id, cls.auth_key, - cls.crypt_algo_vpp_id, - cls.crypt_key, cls.vpp_ah_protocol, - cls.tun_if.remote_ip4n, - cls.tun_if.local_ip4n) - cls.vapi.ipsec_spd_add_del(cls.tun_spd_id) - cls.vapi.ipsec_interface_add_del_spd(cls.tun_spd_id, - cls.tun_if.sw_if_index) + 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(cls.tun_spd_id, cls.vpp_tun_sa_id, - l_startaddr, l_stopaddr, r_startaddr, - r_stopaddr, + 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(cls.tun_spd_id, cls.vpp_tun_sa_id, - l_startaddr, l_stopaddr, r_startaddr, - r_stopaddr, is_outbound=0, - protocol=socket.IPPROTO_AH) - l_startaddr = l_stopaddr = socket.inet_pton(socket.AF_INET, - cls.remote_tun_if_host) - r_startaddr = r_stopaddr = cls.pg1.remote_ip4n - cls.vapi.ipsec_spd_add_del_entry(cls.tun_spd_id, cls.vpp_tun_sa_id, - l_startaddr, l_stopaddr, r_startaddr, - r_stopaddr, priority=10, policy=3, + cls.vapi.ipsec_spd_add_del_entry(spd_id, l_startaddr, l_stopaddr, + r_startaddr, r_stopaddr, + protocol=socket.IPPROTO_AH, is_outbound=0) - cls.vapi.ipsec_spd_add_del_entry(cls.tun_spd_id, cls.scapy_tun_sa_id, - r_startaddr, r_stopaddr, l_startaddr, - l_stopaddr, priority=10, policy=3) - r_startaddr = r_stopaddr = cls.pg0.local_ip4n - cls.vapi.ipsec_spd_add_del_entry(cls.tun_spd_id, cls.vpp_tun_sa_id, - l_startaddr, l_stopaddr, r_startaddr, - r_stopaddr, priority=20, policy=3, - is_outbound=0) - cls.vapi.ipsec_spd_add_del_entry(cls.tun_spd_id, cls.scapy_tun_sa_id, - r_startaddr, r_stopaddr, l_startaddr, - l_stopaddr, priority=20, policy=3) + 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) @classmethod def config_ah_tra(cls): - cls.vapi.ipsec_sad_add_del_entry(cls.scapy_tra_sa_id, - cls.scapy_tra_spi, - cls.auth_algo_vpp_id, cls.auth_key, - cls.crypt_algo_vpp_id, - cls.crypt_key, cls.vpp_ah_protocol, - is_tunnel=0) - cls.vapi.ipsec_sad_add_del_entry(cls.vpp_tra_sa_id, - cls.vpp_tra_spi, - cls.auth_algo_vpp_id, cls.auth_key, - cls.crypt_algo_vpp_id, - cls.crypt_key, cls.vpp_ah_protocol, - is_tunnel=0) - cls.vapi.ipsec_spd_add_del(cls.tra_spd_id) - cls.vapi.ipsec_interface_add_del_spd(cls.tra_spd_id, - cls.tra_if.sw_if_index) + 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(cls.tra_spd_id, cls.vpp_tra_sa_id, - l_startaddr, l_stopaddr, r_startaddr, - r_stopaddr, + 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(cls.tra_spd_id, cls.scapy_tra_sa_id, - l_startaddr, l_stopaddr, r_startaddr, - r_stopaddr, is_outbound=0, - protocol=socket.IPPROTO_AH) - l_startaddr = l_stopaddr = cls.tra_if.local_ip4n - r_startaddr = r_stopaddr = cls.tra_if.remote_ip4n - cls.vapi.ipsec_spd_add_del_entry(cls.tra_spd_id, cls.vpp_tra_sa_id, - l_startaddr, l_stopaddr, r_startaddr, - r_stopaddr, priority=10, policy=3, + cls.vapi.ipsec_spd_add_del_entry(spd_id, l_startaddr, l_stopaddr, + r_startaddr, r_stopaddr, + protocol=socket.IPPROTO_AH, is_outbound=0) - cls.vapi.ipsec_spd_add_del_entry(cls.tra_spd_id, cls.scapy_tra_sa_id, - l_startaddr, l_stopaddr, r_startaddr, - r_stopaddr, priority=10, - policy=3) + 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 tearDown(self): - super(TemplateIpsecAh, self).tearDown() + super(TestIpsecAh, self).tearDown() if not self.vpp_dead: self.vapi.cli("show hardware") - -class TestIpsecAh1(TemplateIpsecAh, IpsecTraTests, IpsecTunTests): - """ Ipsec AH - TUN & TRA tests """ - pass - - -class TestIpsecAh2(TemplateIpsecAh, IpsecTcpTests): - """ Ipsec AH - TCP tests """ - pass + 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")) if __name__ == '__main__': |