diff options
Diffstat (limited to 'test/template_ipsec.py')
| -rw-r--r-- | test/template_ipsec.py | 288 |
1 files changed, 207 insertions, 81 deletions
diff --git a/test/template_ipsec.py b/test/template_ipsec.py index 9d95185cb9e..bf13d71f631 100644 --- a/test/template_ipsec.py +++ b/test/template_ipsec.py @@ -1,13 +1,69 @@ import unittest +import socket from scapy.layers.inet import IP, ICMP, TCP from scapy.layers.ipsec import SecurityAssociation from scapy.layers.l2 import Ether, Raw +from scapy.layers.inet6 import IPv6, ICMPv6EchoRequest from framework import VppTestCase, VppTestRunner from util import ppp +class IPsecIPv4Params(object): + addr_type = socket.AF_INET + addr_any = "0.0.0.0" + addr_bcast = "255.255.255.255" + addr_len = 32 + is_ipv6 = 0 + remote_tun_if_host = '1.1.1.1' + + scapy_tun_sa_id = 10 + scapy_tun_spi = 1001 + vpp_tun_sa_id = 20 + vpp_tun_spi = 1000 + + scapy_tra_sa_id = 30 + scapy_tra_spi = 2001 + vpp_tra_sa_id = 40 + vpp_tra_spi = 2000 + + auth_algo_vpp_id = 2 # internal VPP enum value for SHA1_96 + auth_algo = 'HMAC-SHA1-96' # scapy name + auth_key = 'C91KUR9GYMm5GfkEvNjX' + + crypt_algo_vpp_id = 1 # internal VPP enum value for AES_CBC_128 + crypt_algo = 'AES-CBC' # scapy name + crypt_key = 'JPjyOWBeVEQiMe7h' + + +class IPsecIPv6Params(object): + addr_type = socket.AF_INET6 + addr_any = "0::0" + addr_bcast = "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff" + addr_len = 128 + is_ipv6 = 1 + remote_tun_if_host = '1111:1111:1111:1111:1111:1111:1111:1111' + + scapy_tun_sa_id = 50 + scapy_tun_spi = 3001 + vpp_tun_sa_id = 60 + vpp_tun_spi = 3000 + + scapy_tra_sa_id = 70 + scapy_tra_spi = 4001 + vpp_tra_sa_id = 80 + vpp_tra_spi = 4000 + + auth_algo_vpp_id = 4 # internal VPP enum value for SHA_256_128 + auth_algo = 'SHA2-256-128' # scapy name + auth_key = 'C91KUR9GYMm5GfkEvNjX' + + crypt_algo_vpp_id = 3 # internal VPP enum value for AES_CBC_256 + crypt_algo = 'AES-CBC' # scapy name + crypt_key = 'JPjyOWBeVEQiMe7hJPjyOWBeVEQiMe7h' + + class TemplateIpsec(VppTestCase): """ TRANSPORT MODE: @@ -26,33 +82,19 @@ class TemplateIpsec(VppTestCase): |tun_if| -------> |VPP| ------> |pg1| ------ --- --- """ + ipv4_params = IPsecIPv4Params() + ipv6_params = IPsecIPv6Params() + params = {ipv4_params.addr_type: ipv4_params, + ipv6_params.addr_type: ipv6_params} - remote_tun_if_host = '1.1.1.1' payload = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" tun_spd_id = 1 - scapy_tun_sa_id = 10 - scapy_tun_spi = 1001 - vpp_tun_sa_id = 20 - vpp_tun_spi = 1000 - tra_spd_id = 2 - scapy_tra_sa_id = 30 - scapy_tra_spi = 2001 - vpp_tra_sa_id = 40 - vpp_tra_spi = 2000 vpp_esp_protocol = 1 vpp_ah_protocol = 0 - auth_algo_vpp_id = 2 # internal VPP enum value for SHA1_96 - auth_algo = 'HMAC-SHA1-96' # scapy name - auth_key = 'C91KUR9GYMm5GfkEvNjX' - - crypt_algo_vpp_id = 1 # internal VPP enum value for AES_CBC_128 - crypt_algo = 'AES-CBC' # scapy name - crypt_key = 'JPjyOWBeVEQiMe7h' - @classmethod def setUpClass(cls): super(TemplateIpsec, cls).setUpClass() @@ -62,63 +104,67 @@ class TemplateIpsec(VppTestCase): i.admin_up() i.config_ip4() i.resolve_arp() + i.config_ip6() + i.resolve_ndp() def tearDown(self): super(TemplateIpsec, 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) for i in range(count)] + def gen_encrypt_pkts6(self, sa, sw_intf, src, dst, count=1): + return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / + sa.encrypt(IPv6(src=src, dst=dst) / + ICMPv6EchoRequest(id=0, seq=1, data=self.payload)) + for i in range(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 for i in range(count)] - def configure_sa_tun(self): - scapy_tun_sa = SecurityAssociation(self.encryption_type, - spi=self.vpp_tun_spi, - crypt_algo=self.crypt_algo, - crypt_key=self.crypt_key, - auth_algo=self.auth_algo, - auth_key=self.auth_key, - tunnel_header=IP( - src=self.tun_if.remote_ip4, - dst=self.tun_if.local_ip4)) - vpp_tun_sa = SecurityAssociation(self.encryption_type, - spi=self.scapy_tun_spi, - crypt_algo=self.crypt_algo, - crypt_key=self.crypt_key, - auth_algo=self.auth_algo, - auth_key=self.auth_key, - tunnel_header=IP( - dst=self.tun_if.remote_ip4, - src=self.tun_if.local_ip4)) + def gen_pkts6(self, sw_intf, src, dst, count=1): + return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) / + IPv6(src=src, dst=dst) / + ICMPv6EchoRequest(id=0, seq=1, data=self.payload) + for i in range(count)] + + def configure_sa_tun(self, params): + ip_class_by_addr_type = {socket.AF_INET: IP, socket.AF_INET6: IPv6} + scapy_tun_sa = SecurityAssociation( + self.encryption_type, spi=params.vpp_tun_spi, + crypt_algo=params.crypt_algo, crypt_key=params.crypt_key, + auth_algo=params.auth_algo, auth_key=params.auth_key, + tunnel_header=ip_class_by_addr_type[params.addr_type]( + src=self.tun_if.remote_addr[params.addr_type], + dst=self.tun_if.local_addr[params.addr_type])) + vpp_tun_sa = SecurityAssociation( + self.encryption_type, spi=params.scapy_tun_spi, + crypt_algo=params.crypt_algo, crypt_key=params.crypt_key, + auth_algo=params.auth_algo, auth_key=params.auth_key, + tunnel_header=ip_class_by_addr_type[params.addr_type]( + dst=self.tun_if.remote_addr[params.addr_type], + src=self.tun_if.local_addr[params.addr_type])) return vpp_tun_sa, scapy_tun_sa - def configure_sa_tra(self): + def configure_sa_tra(self, params): scapy_tra_sa = SecurityAssociation(self.encryption_type, - spi=self.vpp_tra_spi, - crypt_algo=self.crypt_algo, - crypt_key=self.crypt_key, - auth_algo=self.auth_algo, - auth_key=self.auth_key) + spi=params.vpp_tra_spi, + crypt_algo=params.crypt_algo, + crypt_key=params.crypt_key, + auth_algo=params.auth_algo, + auth_key=params.auth_key) vpp_tra_sa = SecurityAssociation(self.encryption_type, - spi=self.scapy_tra_spi, - crypt_algo=self.crypt_algo, - crypt_key=self.crypt_key, - auth_algo=self.auth_algo, - auth_key=self.auth_key) + spi=params.scapy_tra_spi, + crypt_algo=params.crypt_algo, + crypt_key=params.crypt_key, + auth_algo=params.auth_algo, + auth_key=params.auth_key) return vpp_tra_sa, scapy_tra_sa @@ -126,13 +172,14 @@ class IpsecTcpTests(object): def test_tcp_checksum(self): """ verify checksum correctness for vpp generated packets """ self.vapi.cli("test http server") - vpp_tun_sa, scapy_tun_sa = self.configure_sa_tun() + p = self.params[socket.AF_INET] + vpp_tun_sa, scapy_tun_sa = self.configure_sa_tun(p) send = (Ether(src=self.tun_if.remote_mac, dst=self.tun_if.local_mac) / - scapy_tun_sa.encrypt(IP(src=self.remote_tun_if_host, + scapy_tun_sa.encrypt(IP(src=p.remote_tun_if_host, dst=self.tun_if.local_ip4) / TCP(flags='S', dport=80))) self.logger.debug(ppp("Sending packet:", send)) - recv = self.send_and_expect(self.tun_if, [send], self.tun_if, 1) + recv = self.send_and_expect(self.tun_if, [send], self.tun_if) recv = recv[0] decrypted = vpp_tun_sa.decrypt(recv[IP]) self.assert_packet_checksums_valid(decrypted) @@ -142,67 +189,146 @@ class IpsecTraTests(object): def test_tra_basic(self, count=1): """ ipsec v4 transport basic test """ try: - vpp_tra_sa, scapy_tra_sa = self.configure_sa_tra() + p = self.params[socket.AF_INET] + vpp_tra_sa, scapy_tra_sa = self.configure_sa_tra(p) send_pkts = self.gen_encrypt_pkts(scapy_tra_sa, self.tra_if, src=self.tra_if.remote_ip4, dst=self.tra_if.local_ip4, count=count) recv_pkts = self.send_and_expect(self.tra_if, send_pkts, - self.tra_if, count=count) + self.tra_if) for p in recv_pkts: - decrypted = vpp_tra_sa.decrypt(p[IP]) - self.assert_packet_checksums_valid(decrypted) + try: + decrypted = vpp_tra_sa.decrypt(p[IP]) + self.assert_packet_checksums_valid(decrypted) + except: + self.logger.debug(ppp("Unexpected packet:", p)) + raise finally: self.logger.info(self.vapi.ppcli("show error")) self.logger.info(self.vapi.ppcli("show ipsec")) def test_tra_burst(self): """ ipsec v4 transport burst test """ + self.test_tra_basic(count=257) + + def test_tra_basic6(self, count=1): + """ ipsec v6 transport basic test """ try: - self.test_tra_basic(count=257) + p = self.params[socket.AF_INET6] + vpp_tra_sa, scapy_tra_sa = self.configure_sa_tra(p) + send_pkts = self.gen_encrypt_pkts6(scapy_tra_sa, self.tra_if, + src=self.tra_if.remote_ip6, + dst=self.tra_if.local_ip6, + count=count) + recv_pkts = self.send_and_expect(self.tra_if, send_pkts, + self.tra_if) + for p in recv_pkts: + try: + decrypted = vpp_tra_sa.decrypt(p[IPv6]) + self.assert_packet_checksums_valid(decrypted) + except: + self.logger.debug(ppp("Unexpected packet:", p)) + raise finally: self.logger.info(self.vapi.ppcli("show error")) self.logger.info(self.vapi.ppcli("show ipsec")) + def test_tra_burst6(self): + """ ipsec v6 transport burst test """ + self.test_tra_basic6(count=257) + -class IpsecTunTests(object): - def test_tun_basic(self, count=1): +class IpsecTun4Tests(object): + def test_tun_basic44(self, count=1): """ ipsec 4o4 tunnel basic test """ try: - vpp_tun_sa, scapy_tun_sa = self.configure_sa_tun() + p = self.params[socket.AF_INET] + vpp_tun_sa, scapy_tun_sa = self.configure_sa_tun(p) send_pkts = self.gen_encrypt_pkts(scapy_tun_sa, self.tun_if, - src=self.remote_tun_if_host, + src=p.remote_tun_if_host, dst=self.pg1.remote_ip4, count=count) - recv_pkts = self.send_and_expect(self.tun_if, send_pkts, self.pg1, - count=count) + recv_pkts = self.send_and_expect(self.tun_if, send_pkts, self.pg1) for recv_pkt in recv_pkts: - self.assert_equal(recv_pkt[IP].src, self.remote_tun_if_host) + self.assert_equal(recv_pkt[IP].src, p.remote_tun_if_host) self.assert_equal(recv_pkt[IP].dst, self.pg1.remote_ip4) self.assert_packet_checksums_valid(recv_pkt) send_pkts = self.gen_pkts(self.pg1, src=self.pg1.remote_ip4, - dst=self.remote_tun_if_host, count=count) - recv_pkts = self.send_and_expect(self.pg1, send_pkts, self.tun_if, - count=count) + dst=p.remote_tun_if_host, count=count) + recv_pkts = self.send_and_expect(self.pg1, send_pkts, self.tun_if) for recv_pkt in recv_pkts: - decrypt_pkt = vpp_tun_sa.decrypt(recv_pkt[IP]) - if not decrypt_pkt.haslayer(IP): - decrypt_pkt = IP(decrypt_pkt[Raw].load) - self.assert_equal(decrypt_pkt.src, self.pg1.remote_ip4) - self.assert_equal(decrypt_pkt.dst, self.remote_tun_if_host) - self.assert_packet_checksums_valid(decrypt_pkt) + try: + decrypt_pkt = vpp_tun_sa.decrypt(recv_pkt[IP]) + if not decrypt_pkt.haslayer(IP): + decrypt_pkt = IP(decrypt_pkt[Raw].load) + self.assert_equal(decrypt_pkt.src, self.pg1.remote_ip4) + self.assert_equal(decrypt_pkt.dst, p.remote_tun_if_host) + self.assert_packet_checksums_valid(decrypt_pkt) + except: + self.logger.debug(ppp("Unexpected packet:", recv_pkt)) + try: + self.logger.debug( + ppp("Decrypted packet:", decrypt_pkt)) + except: + pass + raise finally: self.logger.info(self.vapi.ppcli("show error")) self.logger.info(self.vapi.ppcli("show ipsec")) - def test_tun_burst(self): + def test_tun_burst44(self): """ ipsec 4o4 tunnel burst test """ + self.test_tun_basic44(count=257) + + +class IpsecTun6Tests(object): + def test_tun_basic66(self, count=1): + """ ipsec 6o6 tunnel basic test """ try: - self.test_tun_basic(count=257) + p = self.params[socket.AF_INET6] + vpp_tun_sa, scapy_tun_sa = self.configure_sa_tun(p) + send_pkts = self.gen_encrypt_pkts6(scapy_tun_sa, self.tun_if, + src=p.remote_tun_if_host, + dst=self.pg1.remote_ip6, + count=count) + recv_pkts = self.send_and_expect(self.tun_if, send_pkts, self.pg1) + for recv_pkt in recv_pkts: + self.assert_equal(recv_pkt[IPv6].src, p.remote_tun_if_host) + self.assert_equal(recv_pkt[IPv6].dst, self.pg1.remote_ip6) + self.assert_packet_checksums_valid(recv_pkt) + send_pkts = self.gen_pkts6(self.pg1, src=self.pg1.remote_ip6, + dst=p.remote_tun_if_host, + count=count) + recv_pkts = self.send_and_expect(self.pg1, send_pkts, self.tun_if) + for recv_pkt in recv_pkts: + try: + decrypt_pkt = vpp_tun_sa.decrypt(recv_pkt[IPv6]) + if not decrypt_pkt.haslayer(IPv6): + decrypt_pkt = IPv6(decrypt_pkt[Raw].load) + self.assert_equal(decrypt_pkt.src, self.pg1.remote_ip6) + self.assert_equal(decrypt_pkt.dst, p.remote_tun_if_host) + self.assert_packet_checksums_valid(decrypt_pkt) + except: + self.logger.debug(ppp("Unexpected packet:", recv_pkt)) + try: + self.logger.debug( + ppp("Decrypted packet:", decrypt_pkt)) + except: + pass + raise finally: self.logger.info(self.vapi.ppcli("show error")) self.logger.info(self.vapi.ppcli("show ipsec")) + def test_tun_burst66(self): + """ ipsec 6o6 tunnel burst test """ + self.test_tun_basic66(count=257) + + +class IpsecTunTests(IpsecTun4Tests, IpsecTun6Tests): + pass + if __name__ == '__main__': unittest.main(testRunner=VppTestRunner) |