diff options
| -rw-r--r-- | test/test_ipsec_ah.py | 315 |
1 files changed, 124 insertions, 191 deletions
diff --git a/test/test_ipsec_ah.py b/test/test_ipsec_ah.py index fc19d781561..d173b2e3b23 100644 --- a/test/test_ipsec_ah.py +++ b/test/test_ipsec_ah.py @@ -31,11 +31,11 @@ class TestIpsecAh(VppTestCase): TUNNEL MODE: --- encrypt --- plain --- - |pg0| -------> |VPP| ------> |pg1| + |pg0| <------- |VPP| <------ |pg1| --- --- --- --- decrypt --- plain --- - |pg0| <------- |VPP| <------ |pg1| + |pg0| -------> |VPP| ------> |pg1| --- --- --- Note : IPv6 is not covered @@ -43,6 +43,7 @@ class TestIpsecAh(VppTestCase): remote_pg0_lb_addr = '1.1.1.1' remote_pg1_lb_addr = '2.2.2.2' + payload = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" @classmethod def setUpClass(cls): @@ -55,173 +56,113 @@ class TestIpsecAh(VppTestCase): i.config_ip4() i.resolve_arp() cls.logger.info(cls.vapi.ppcli("show int addr")) - cls.configAhTra() + cls.config_ah_tra() cls.logger.info(cls.vapi.ppcli("show ipsec")) - cls.configAhTun() + cls.config_ah_tun() cls.logger.info(cls.vapi.ppcli("show ipsec")) except Exception: super(TestIpsecAh, cls).tearDownClass() raise @classmethod - def configAhTun(cls): - try: - 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) - except Exception: - raise + 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) @classmethod - def configAhTra(cls): - try: - 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) - except Exception: - raise - - def configScapySA(self, is_tun=False): - if is_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)) - self.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)) - else: - self.remote_tra_sa = SecurityAssociation( - AH, spi=0x000007d0, auth_algo='HMAC-SHA1-96', - auth_key='C91KUR9GYMm5GfkEvNjX') - self.local_tra_sa = SecurityAssociation( - AH, spi=0x000007d1, auth_algo='HMAC-SHA1-96', - auth_key='C91KUR9GYMm5GfkEvNjX') + 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 tearDown(self): super(TestIpsecAh, self).tearDown() @@ -237,33 +178,29 @@ class TestIpsecAh(VppTestCase): 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() / - "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX") + 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() / - "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" + 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: - self.configScapySA() - send_pkts = self.gen_encrypt_pkts( - self.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) + 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] - self.local_tra_sa.decrypt(Pkts[IP]) + local_tra_sa.decrypt(Pkts[IP]) finally: self.logger.info(self.vapi.ppcli("show error")) self.logger.info(self.vapi.ppcli("show ipsec")) @@ -279,29 +216,25 @@ class TestIpsecAh(VppTestCase): def test_ipsec_ah_tun_basic(self, count=1): """ ipsec ah 4o4 tunnel basic test """ try: - self.configScapySA(is_tun=True) - send_pkts = self.gen_encrypt_pkts( - self.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) + 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) + 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 = self.local_tun_sa.decrypt(recv_pkt[IP]) + 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) |