diff options
Diffstat (limited to 'test/test_ipsec_spd_fp_output.py')
| -rw-r--r-- | test/test_ipsec_spd_fp_output.py | 1418 |
1 files changed, 1418 insertions, 0 deletions
diff --git a/test/test_ipsec_spd_fp_output.py b/test/test_ipsec_spd_fp_output.py new file mode 100644 index 00000000000..a92669a4f3f --- /dev/null +++ b/test/test_ipsec_spd_fp_output.py @@ -0,0 +1,1418 @@ +import socket +import unittest +import ipaddress + +from util import ppp +from asfframework import VppTestRunner +from template_ipsec import IPSecIPv4Fwd +from template_ipsec import IPSecIPv6Fwd + + +class SpdFastPathOutbound(IPSecIPv4Fwd): + # Override setUpConstants to enable outbound fast path in config + @classmethod + def setUpConstants(cls): + super(SpdFastPathOutbound, cls).setUpConstants() + cls.vpp_cmdline.extend(["ipsec", "{", "ipv4-outbound-spd-fast-path on", "}"]) + cls.logger.info("VPP modified cmdline is %s" % " ".join(cls.vpp_cmdline)) + + +class SpdFastPathIPv6Outbound(IPSecIPv6Fwd): + # Override setUpConstants to enable outbound fast path in config + @classmethod + def setUpConstants(cls): + super(SpdFastPathIPv6Outbound, cls).setUpConstants() + cls.vpp_cmdline.extend(["ipsec", "{", "ipv6-outbound-spd-fast-path on", "}"]) + cls.logger.info("VPP modified cmdline is %s" % " ".join(cls.vpp_cmdline)) + + +class IPSec4SpdTestCaseAdd(SpdFastPathOutbound): + """ IPSec/IPv4 outbound: Policy mode test case with fast path \ + (add rule)""" + + def test_ipsec_spd_outbound_add(self): + # In this test case, packets in IPv4 FWD path are configured + # to go through IPSec outbound SPD policy lookup. + # 2 SPD rules (1 HIGH and 1 LOW) are added. + # High priority rule action is set to BYPASS. + # Low priority rule action is set to DISCARD. + # Traffic sent on pg0 interface should match high priority + # rule and should be sent out on pg1 interface. + self.create_interfaces(2) + pkt_count = 5 + s_port_s = 1111 + s_port_e = 1111 + d_port_s = 2222 + d_port_e = 2222 + self.spd_create_and_intf_add(1, [self.pg1]) + policy_0 = self.spd_add_rem_policy( # outbound, priority 10 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=10, + policy_type="bypass", + local_port_start=s_port_s, + local_port_stop=s_port_e, + remote_port_start=d_port_s, + remote_port_stop=d_port_e, + ) + policy_1 = self.spd_add_rem_policy( # outbound, priority 5 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=5, + policy_type="discard", + local_port_start=s_port_s, + local_port_stop=s_port_e, + remote_port_start=d_port_s, + remote_port_stop=d_port_e, + ) + + # create the packet stream + packets = self.create_stream(self.pg0, self.pg1, pkt_count, s_port_s, d_port_s) + # add the stream to the source interface + enable capture + self.pg0.add_stream(packets) + self.pg0.enable_capture() + self.pg1.enable_capture() + # start the packet generator + self.pg_start() + # get capture + capture = self.pg1.get_capture() + for packet in capture: + try: + self.logger.debug(ppp("SPD - Got packet:", packet)) + except Exception: + self.logger.error(ppp("Unexpected or invalid packet:", packet)) + raise + self.logger.debug("SPD: Num packets: %s", len(capture.res)) + + # assert nothing captured on pg0 + self.pg0.assert_nothing_captured() + # verify captured packets + self.verify_capture(self.pg0, self.pg1, capture) + # verify all policies matched the expected number of times + self.verify_policy_match(pkt_count, policy_0) + self.verify_policy_match(0, policy_1) + + +class IPSec4SpdTestCaseAddPortRange(SpdFastPathOutbound): + """ IPSec/IPv4 outbound: Policy mode test case with fast path \ + (add all ips port range rule)""" + + def test_ipsec_spd_outbound_add(self): + # In this test case, packets in IPv4 FWD path are configured + # to go through IPSec outbound SPD policy lookup. + # 2 SPD rules (1 HIGH and 1 LOW) are added. + # High priority rule action is set to BYPASS. + # Low priority rule action is set to DISCARD. + # Traffic sent on pg0 interface should match high priority + # rule and should be sent out on pg1 interface. + self.create_interfaces(2) + pkt_count = 5 + s_port_s = 1000 + s_port_e = 2023 + d_port_s = 5000 + d_port_e = 6023 + self.spd_create_and_intf_add(1, [self.pg1]) + policy_0 = self.spd_add_rem_policy( # outbound, priority 10 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=10, + policy_type="bypass", + all_ips=True, + local_port_start=s_port_s, + local_port_stop=s_port_e, + remote_port_start=d_port_s, + remote_port_stop=d_port_e, + ) + policy_1 = self.spd_add_rem_policy( # outbound, priority 5 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=5, + policy_type="discard", + all_ips=True, + local_port_start=s_port_s, + local_port_stop=s_port_e, + remote_port_start=d_port_s, + remote_port_stop=d_port_e, + ) + + # create the packet stream + packets = self.create_stream(self.pg0, self.pg1, pkt_count, 1333, 5444) + # add the stream to the source interface + enable capture + self.pg0.add_stream(packets) + self.pg0.enable_capture() + self.pg1.enable_capture() + # start the packet generator + self.pg_start() + # get capture + capture = self.pg1.get_capture() + for packet in capture: + try: + self.logger.debug(ppp("SPD - Got packet:", packet)) + except Exception: + self.logger.error(ppp("Unexpected or invalid packet:", packet)) + raise + self.logger.debug("SPD: Num packets: %s", len(capture.res)) + + # assert nothing captured on pg0 + self.pg0.assert_nothing_captured() + # verify captured packets + self.verify_capture(self.pg0, self.pg1, capture) + # verify all policies matched the expected number of times + self.verify_policy_match(pkt_count, policy_0) + self.verify_policy_match(0, policy_1) + + +class IPSec4SpdTestCaseAddIPRange(SpdFastPathOutbound): + """ IPSec/IPv4 outbound: Policy mode test case with fast path \ + (add ips range with any port rule)""" + + def test_ipsec_spd_outbound_add(self): + # In this test case, packets in IPv4 FWD path are configured + # to go through IPSec outbound SPD policy lookup. + # 2 SPD rules (1 HIGH and 1 LOW) are added. + # High priority rule action is set to BYPASS. + # Low priority rule action is set to DISCARD. + # Traffic sent on pg0 interface should match high priority + # rule and should be sent out on pg1 interface. + self.create_interfaces(2) + pkt_count = 5 + s_ip_s = ipaddress.ip_address(self.pg0.remote_ip4) + s_ip_e = ipaddress.ip_address(int(s_ip_s) + 5) + d_ip_s = ipaddress.ip_address(self.pg1.remote_ip4) + d_ip_e = ipaddress.ip_address(int(d_ip_s) + 0) + self.spd_create_and_intf_add(1, [self.pg1]) + policy_0 = self.spd_add_rem_policy( # outbound, priority 10 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=10, + policy_type="bypass", + ip_range=True, + local_ip_start=s_ip_s, + local_ip_stop=s_ip_e, + remote_ip_start=d_ip_s, + remote_ip_stop=d_ip_e, + ) + policy_1 = self.spd_add_rem_policy( # outbound, priority 5 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=5, + policy_type="discard", + ip_range=True, + local_ip_start=s_ip_s, + local_ip_stop=s_ip_e, + remote_ip_start=d_ip_s, + remote_ip_stop=d_ip_e, + ) + + # create the packet stream + packets = self.create_stream(self.pg0, self.pg1, pkt_count) + # add the stream to the source interface + enable capture + self.pg0.add_stream(packets) + self.pg0.enable_capture() + self.pg1.enable_capture() + # start the packet generator + self.pg_start() + # get capture + capture = self.pg1.get_capture() + for packet in capture: + try: + self.logger.debug(ppp("SPD - Got packet:", packet)) + except Exception: + self.logger.error(ppp("Unexpected or invalid packet:", packet)) + raise + self.logger.debug("SPD: Num packets: %s", len(capture.res)) + + # assert nothing captured on pg0 + self.pg0.assert_nothing_captured() + # verify captured packets + self.verify_capture(self.pg0, self.pg1, capture) + # verify all policies matched the expected number of times + self.verify_policy_match(pkt_count, policy_0) + self.verify_policy_match(0, policy_1) + + +class IPSec4SpdTestCaseAddIPAndPortRange(SpdFastPathOutbound): + """ IPSec/IPv4 outbound: Policy mode test case with fast path \ + (add all ips range rule)""" + + def test_ipsec_spd_outbound_add(self): + # In this test case, packets in IPv4 FWD path are configured + # to go through IPSec outbound SPD policy lookup. + # 2 SPD rules (1 HIGH and 1 LOW) are added. + # High priority rule action is set to BYPASS. + # Low priority rule action is set to DISCARD. + # Traffic sent on pg0 interface should match high priority + # rule and should be sent out on pg1 interface. + # in this test we define ranges of ports and ip addresses. + self.create_interfaces(2) + pkt_count = 5 + s_port_s = 1000 + s_port_e = 1000 + 1023 + d_port_s = 5000 + d_port_e = 5000 + 1023 + + s_ip_s = ipaddress.ip_address( + int(ipaddress.ip_address(self.pg0.remote_ip4)) - 24 + ) + s_ip_e = ipaddress.ip_address(int(s_ip_s) + 255) + d_ip_s = ipaddress.ip_address(self.pg1.remote_ip4) + d_ip_e = ipaddress.ip_address(int(d_ip_s) + 255) + self.spd_create_and_intf_add(1, [self.pg1]) + policy_0 = self.spd_add_rem_policy( # outbound, priority 10 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=10, + policy_type="bypass", + ip_range=True, + local_ip_start=s_ip_s, + local_ip_stop=s_ip_e, + remote_ip_start=d_ip_s, + remote_ip_stop=d_ip_e, + local_port_start=s_port_s, + local_port_stop=s_port_e, + remote_port_start=d_port_s, + remote_port_stop=d_port_e, + ) + policy_1 = self.spd_add_rem_policy( # outbound, priority 5 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=5, + policy_type="discard", + ip_range=True, + local_ip_start=s_ip_s, + local_ip_stop=s_ip_e, + remote_ip_start=d_ip_s, + remote_ip_stop=d_ip_e, + local_port_start=s_port_s, + local_port_stop=s_port_e, + remote_port_start=d_port_s, + remote_port_stop=d_port_e, + ) + + # create the packet stream + packets = self.create_stream(self.pg0, self.pg1, pkt_count) + # add the stream to the source interface + enable capture + self.pg0.add_stream(packets) + self.pg0.enable_capture() + self.pg1.enable_capture() + # start the packet generator + self.pg_start() + # get capture + capture = self.pg1.get_capture() + for packet in capture: + try: + self.logger.debug(ppp("SPD - Got packet:", packet)) + except Exception: + self.logger.error(ppp("Unexpected or invalid packet:", packet)) + raise + self.logger.debug("SPD: Num packets: %s", len(capture.res)) + + # assert nothing captured on pg0 + self.pg0.assert_nothing_captured() + # verify captured packets + self.verify_capture(self.pg0, self.pg1, capture) + # verify all policies matched the expected number of times + self.verify_policy_match(pkt_count, policy_0) + self.verify_policy_match(0, policy_1) + + +class IPSec4SpdTestCaseAddAll(SpdFastPathOutbound): + """ IPSec/IPv4 outbound: Policy mode test case with fast path \ + (add all ips ports rule)""" + + def test_ipsec_spd_outbound_add(self): + # In this test case, packets in IPv4 FWD path are configured + # to go through IPSec outbound SPD policy lookup. + # 2 SPD rules (1 HIGH and 1 LOW) are added. + # Low priority rule action is set to BYPASS all ips. + # High priority rule action is set to DISCARD all ips. + # Traffic sent on pg0 interface when LOW priority rule is added, + # expect the packet is being sent out to pg1. Then HIGH priority + # rule is added and send the same traffic to pg0, this time expect + # the traffic is dropped. + self.create_interfaces(2) + pkt_count = 5 + self.spd_create_and_intf_add(1, [self.pg1]) + policy_0 = self.spd_add_rem_policy( # outbound, priority 10 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=10, + policy_type="bypass", + all_ips=True, + ) + + # create the packet stream + packets = self.create_stream(self.pg0, self.pg1, pkt_count) + # add the stream to the source interface + enable capture + self.pg0.add_stream(packets) + self.pg0.enable_capture() + self.pg1.enable_capture() + # start the packet generator + self.pg_start() + # get capture + capture = self.pg1.get_capture() + for packet in capture: + try: + self.logger.debug(ppp("SPD - Got packet:", packet)) + except Exception: + self.logger.error(ppp("Unexpected or invalid packet:", packet)) + raise + self.logger.debug("SPD: Num packets: %s", len(capture.res)) + + # assert nothing captured on pg0 + self.pg0.assert_nothing_captured() + # verify captured packets + self.verify_capture(self.pg0, self.pg1, capture) + # verify all policies matched the expected number of times + self.verify_policy_match(pkt_count, policy_0) + + policy_1 = self.spd_add_rem_policy( # outbound, priority 20 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=20, + policy_type="discard", + all_ips=True, + ) + + # create the packet stream + packets = self.create_stream(self.pg0, self.pg1, pkt_count) + # add the stream to the source interface + enable capture + self.pg0.add_stream(packets) + self.pg0.enable_capture() + self.pg1.enable_capture() + # start the packet generator + self.pg_start() + # assert nothing captured on pg0 and pg1 + self.pg0.assert_nothing_captured() + self.pg1.assert_nothing_captured() + + +class IPSec4SpdTestCaseRemove(SpdFastPathOutbound): + """ IPSec/IPv4 outbound: Policy mode test case with fast path \ + (remove rule)""" + + def test_ipsec_spd_outbound_remove(self): + # In this test case, packets in IPv4 FWD path are configured + # to go through IPSec outbound SPD policy lookup. + # 2 SPD rules (1 HIGH and 1 LOW) are added. + # High priority rule action is set to BYPASS. + # Low priority rule action is set to DISCARD. + # High priority rule is then removed. + # Traffic sent on pg0 interface should match low priority + # rule and should be discarded after SPD lookup. + self.create_interfaces(2) + pkt_count = 5 + self.spd_create_and_intf_add(1, [self.pg1]) + policy_0 = self.spd_add_rem_policy( # outbound, priority 10 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=10, + policy_type="bypass", + ) + policy_1 = self.spd_add_rem_policy( # outbound, priority 5 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=5, + policy_type="discard", + ) + + # create the packet stream + packets = self.create_stream(self.pg0, self.pg1, pkt_count) + # add the stream to the source interface + enable capture + self.pg0.add_stream(packets) + self.pg0.enable_capture() + self.pg1.enable_capture() + # start the packet generator + self.pg_start() + # get capture + capture = self.pg1.get_capture() + for packet in capture: + try: + self.logger.debug(ppp("SPD - Got packet:", packet)) + except Exception: + self.logger.error(ppp("Unexpected or invalid packet:", packet)) + raise + + # assert nothing captured on pg0 + self.pg0.assert_nothing_captured() + # verify capture on pg1 + self.logger.debug("SPD: Num packets: %s", len(capture.res)) + self.verify_capture(self.pg0, self.pg1, capture) + # verify all policies matched the expected number of times + self.verify_policy_match(pkt_count, policy_0) + self.verify_policy_match(0, policy_1) + # now remove the bypass rule + self.spd_add_rem_policy( # outbound, priority 10 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=10, + policy_type="bypass", + remove=True, + ) + + # resend the same packets + self.pg0.add_stream(packets) + self.pg0.enable_capture() # flush the old captures + self.pg1.enable_capture() + self.pg_start() + # assert nothing captured on pg0 + self.pg0.assert_nothing_captured() + # all packets will be dropped by SPD rule + self.pg1.assert_nothing_captured() + # verify all policies matched the expected number of times + self.verify_policy_match(pkt_count, policy_0) + self.verify_policy_match(pkt_count, policy_1) + + +class IPSec4SpdTestCaseReadd(SpdFastPathOutbound): + """ IPSec/IPv4 outbound: Policy mode test case with fast path \ + (add, remove, re-add)""" + + def test_ipsec_spd_outbound_readd(self): + # In this test case, packets in IPv4 FWD path are configured + # to go through IPSec outbound SPD policy lookup. + # 2 SPD rules (1 HIGH and 1 LOW) are added. + # High priority rule action is set to BYPASS. + # Low priority rule action is set to DISCARD. + # Traffic sent on pg0 interface should match high priority + # rule and should be sent out on pg1 interface. + # High priority rule is then removed. + # Traffic sent on pg0 interface should match low priority + # rule and should be discarded after SPD lookup. + # Readd high priority rule. + # Traffic sent on pg0 interface should match high priority + # rule and should be sent out on pg1 interface. + self.create_interfaces(2) + pkt_count = 5 + self.spd_create_and_intf_add(1, [self.pg1]) + policy_0 = self.spd_add_rem_policy( # outbound, priority 10 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=10, + policy_type="bypass", + ) + policy_1 = self.spd_add_rem_policy( # outbound, priority 5 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=5, + policy_type="discard", + ) + + # create the packet stream + packets = self.create_stream(self.pg0, self.pg1, pkt_count) + # add the stream to the source interface + enable capture + self.pg0.add_stream(packets) + self.pg0.enable_capture() + self.pg1.enable_capture() + # start the packet generator + self.pg_start() + # get capture + capture = self.pg1.get_capture() + for packet in capture: + try: + self.logger.debug(ppp("SPD - Got packet:", packet)) + except Exception: + self.logger.error(ppp("Unexpected or invalid packet:", packet)) + raise + self.logger.debug("SPD: Num packets: %s", len(capture.res)) + + # assert nothing captured on pg0 + self.pg0.assert_nothing_captured() + # verify capture on pg1 + self.verify_capture(self.pg0, self.pg1, capture) + # verify all policies matched the expected number of times + self.verify_policy_match(pkt_count, policy_0) + self.verify_policy_match(0, policy_1) + # remove the bypass rule, leaving only the discard rule + self.spd_add_rem_policy( # outbound, priority 10 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=10, + policy_type="bypass", + remove=True, + ) + + # resend the same packets + self.pg0.add_stream(packets) + self.pg0.enable_capture() # flush the old captures + self.pg1.enable_capture() + self.pg_start() + + # assert nothing captured on pg0 + self.pg0.assert_nothing_captured() + # all packets will be dropped by SPD rule + self.pg1.assert_nothing_captured() + # verify all policies matched the expected number of times + self.verify_policy_match(pkt_count, policy_0) + self.verify_policy_match(pkt_count, policy_1) + + # now readd the bypass rule + policy_0 = self.spd_add_rem_policy( # outbound, priority 10 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=10, + policy_type="bypass", + ) + + # resend the same packets + self.pg0.add_stream(packets) + self.pg0.enable_capture() # flush the old captures + self.pg1.enable_capture() + self.pg_start() + + # get capture + capture = self.pg1.get_capture(pkt_count) + for packet in capture: + try: + self.logger.debug(ppp("SPD - Got packet:", packet)) + except Exception: + self.logger.error(ppp("Unexpected or invalid packet:", packet)) + raise + self.logger.debug("SPD: Num packets: %s", len(capture.res)) + + # assert nothing captured on pg0 + self.pg0.assert_nothing_captured() + # verify captured packets + self.verify_capture(self.pg0, self.pg1, capture) + # verify all policies matched the expected number of times + self.verify_policy_match(pkt_count, policy_0) + self.verify_policy_match(pkt_count, policy_1) + + +class IPSec4SpdTestCaseMultiple(SpdFastPathOutbound): + """ IPSec/IPv4 outbound: Policy mode test case with fast path \ + (multiple interfaces, multiple rules)""" + + def test_ipsec_spd_outbound_multiple(self): + # In this test case, packets in IPv4 FWD path are configured to go + # through IPSec outbound SPD policy lookup. + # Multiples rules on multiple interfaces are tested at the same time. + # 3x interfaces are configured, binding the same SPD to each. + # Each interface has 2 SPD rules (1 BYPASS and 1 DISCARD). + # On pg0 & pg1, the BYPASS rule is HIGH priority + # On pg2, the DISCARD rule is HIGH priority + # Traffic should be received on pg0 & pg1 and dropped on pg2. + self.create_interfaces(3) + pkt_count = 5 + # bind SPD to all interfaces + self.spd_create_and_intf_add(1, self.pg_interfaces) + # add rules on all interfaces + policy_01 = self.spd_add_rem_policy( # outbound, priority 10 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=10, + policy_type="bypass", + ) + policy_02 = self.spd_add_rem_policy( # outbound, priority 5 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=5, + policy_type="discard", + ) + + policy_11 = self.spd_add_rem_policy( # outbound, priority 10 + 1, + self.pg1, + self.pg2, + socket.IPPROTO_UDP, + is_out=1, + priority=10, + policy_type="bypass", + ) + policy_12 = self.spd_add_rem_policy( # outbound, priority 5 + 1, + self.pg1, + self.pg2, + socket.IPPROTO_UDP, + is_out=1, + priority=5, + policy_type="discard", + ) + + policy_21 = self.spd_add_rem_policy( # outbound, priority 5 + 1, + self.pg2, + self.pg0, + socket.IPPROTO_UDP, + is_out=1, + priority=5, + policy_type="bypass", + ) + policy_22 = self.spd_add_rem_policy( # outbound, priority 10 + 1, + self.pg2, + self.pg0, + socket.IPPROTO_UDP, + is_out=1, + priority=10, + policy_type="discard", + ) + + # interfaces bound to an SPD, will by default drop inbound + # traffic with no matching policies. add catch-all inbound + # bypass rule to SPD: + self.spd_add_rem_policy( # inbound, all interfaces + 1, + None, + None, + socket.IPPROTO_UDP, + is_out=0, + priority=10, + policy_type="bypass", + all_ips=True, + ) + + # create the packet streams + packets0 = self.create_stream(self.pg0, self.pg1, pkt_count) + packets1 = self.create_stream(self.pg1, self.pg2, pkt_count) + packets2 = self.create_stream(self.pg2, self.pg0, pkt_count) + # add the streams to the source interfaces + self.pg0.add_stream(packets0) + self.pg1.add_stream(packets1) + self.pg2.add_stream(packets2) + # enable capture on all interfaces + for pg in self.pg_interfaces: + pg.enable_capture() + # start the packet generator + self.pg_start() + + # get captures + if_caps = [] + for pg in [self.pg1, self.pg2]: # we are expecting captures on pg1/pg2 + if_caps.append(pg.get_capture()) + for packet in if_caps[-1]: + try: + self.logger.debug(ppp("SPD - Got packet:", packet)) + except Exception: + self.logger.error(ppp("Unexpected or invalid packet:", packet)) + raise + self.logger.debug("SPD: Num packets: %s", len(if_caps[0].res)) + self.logger.debug("SPD: Num packets: %s", len(if_caps[1].res)) + + # verify captures that matched BYPASS rule + self.verify_capture(self.pg0, self.pg1, if_caps[0]) + self.verify_capture(self.pg1, self.pg2, if_caps[1]) + # verify that traffic to pg0 matched DISCARD rule and was dropped + self.pg0.assert_nothing_captured() + # verify all packets that were expected to match rules, matched + # pg0 -> pg1 + self.verify_policy_match(pkt_count, policy_01) + self.verify_policy_match(0, policy_02) + # pg1 -> pg2 + self.verify_policy_match(pkt_count, policy_11) + self.verify_policy_match(0, policy_12) + # pg2 -> pg0 + self.verify_policy_match(0, policy_21) + self.verify_policy_match(pkt_count, policy_22) + + +class IPSec6SpdTestCaseAdd(SpdFastPathIPv6Outbound): + """ IPSec/IPv6 outbound: Policy mode test case with fast path \ + (add rule)""" + + def test_ipsec_spd_outbound_add(self): + # In this test case, packets in IPv4 FWD path are configured + # to go through IPSec outbound SPD policy lookup. + # 2 SPD rules (1 HIGH and 1 LOW) are added. + # High priority rule action is set to BYPASS. + # Low priority rule action is set to DISCARD. + # Traffic sent on pg0 interface should match high priority + # rule and should be sent out on pg1 interface. + self.create_interfaces(2) + pkt_count = 5 + s_port_s = 1111 + s_port_e = 1111 + d_port_s = 2222 + d_port_e = 2222 + self.spd_create_and_intf_add(1, [self.pg1]) + policy_0 = self.spd_add_rem_policy( # outbound, priority 10 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=10, + policy_type="bypass", + local_port_start=s_port_s, + local_port_stop=s_port_e, + remote_port_start=d_port_s, + remote_port_stop=d_port_e, + ) + policy_1 = self.spd_add_rem_policy( # outbound, priority 5 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=5, + policy_type="discard", + local_port_start=s_port_s, + local_port_stop=s_port_e, + remote_port_start=d_port_s, + remote_port_stop=d_port_e, + ) + + # create the packet stream + packets = self.create_stream(self.pg0, self.pg1, pkt_count, s_port_s, d_port_s) + # add the stream to the source interface + enable capture + self.pg0.add_stream(packets) + self.pg0.enable_capture() + self.pg1.enable_capture() + # start the packet generator + self.pg_start() + # get capture + capture = self.pg1.get_capture() + for packet in capture: + try: + self.logger.debug(ppp("SPD - Got packet:", packet)) + except Exception: + self.logger.error(ppp("Unexpected or invalid packet:", packet)) + raise + self.logger.debug("SPD: Num packets: %s", len(capture.res)) + + # assert nothing captured on pg0 + self.pg0.assert_nothing_captured() + # verify captured packets + self.verify_capture(self.pg0, self.pg1, capture) + # verify all policies matched the expected number of times + self.verify_policy_match(pkt_count, policy_0) + self.verify_policy_match(0, policy_1) + + +class IPSec6SpdTestCaseAddAll(SpdFastPathIPv6Outbound): + """ IPSec/IPv6 outbound: Policy mode test case with fast path \ + (add all ips ports rule)""" + + def test_ipsec_spd_outbound_add(self): + # In this test case, packets in IPv4 FWD path are configured + # to go through IPSec outbound SPD policy lookup. + # 2 SPD rules (1 HIGH and 1 LOW) are added. + # Low priority rule action is set to BYPASS all ips. + # High priority rule action is set to DISCARD all ips. + # Traffic sent on pg0 interface when LOW priority rule is added, + # expect the packet is being sent out to pg1. Then HIGH priority + # rule is added and send the same traffic to pg0, this time expect + # the traffic is dropped. + self.create_interfaces(2) + pkt_count = 5 + self.spd_create_and_intf_add(1, [self.pg1]) + policy_0 = self.spd_add_rem_policy( # outbound, priority 10 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=10, + policy_type="bypass", + all_ips=True, + ) + + # create the packet stream + packets = self.create_stream(self.pg0, self.pg1, pkt_count) + # add the stream to the source interface + enable capture + self.pg0.add_stream(packets) + self.pg0.enable_capture() + self.pg1.enable_capture() + # start the packet generator + self.pg_start() + # get capture + capture = self.pg1.get_capture() + for packet in capture: + try: + self.logger.debug(ppp("SPD - Got packet:", packet)) + except Exception: + self.logger.error(ppp("Unexpected or invalid packet:", packet)) + raise + self.logger.debug("SPD: Num packets: %s", len(capture.res)) + + # assert nothing captured on pg0 + self.pg0.assert_nothing_captured() + # verify captured packets + self.verify_capture(self.pg0, self.pg1, capture) + # verify all policies matched the expected number of times + self.verify_policy_match(pkt_count, policy_0) + + policy_1 = self.spd_add_rem_policy( # outbound, priority 20 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=20, + policy_type="discard", + all_ips=True, + ) + + # create the packet stream + packets = self.create_stream(self.pg0, self.pg1, pkt_count) + # add the stream to the source interface + enable capture + self.pg0.add_stream(packets) + self.pg0.enable_capture() + self.pg1.enable_capture() + # start the packet generator + self.pg_start() + # assert nothing captured on pg0 and pg1 + self.pg0.assert_nothing_captured() + self.pg1.assert_nothing_captured() + + +class IPSec6SpdTestCaseAddPortRange(SpdFastPathIPv6Outbound): + """ IPSec/IPv6 outbound: Policy mode test case with fast path \ + (add all ips port range rule)""" + + def test_ipsec_spd_outbound_add(self): + # In this test case, packets in IPv4 FWD path are configured + # to go through IPSec outbound SPD policy lookup. + # 2 SPD rules (1 HIGH and 1 LOW) are added. + # High priority rule action is set to BYPASS. + # Low priority rule action is set to DISCARD. + # Traffic sent on pg0 interface should match high priority + # rule and should be sent out on pg1 interface. + self.create_interfaces(2) + pkt_count = 5 + s_port_s = 1000 + s_port_e = 2023 + d_port_s = 5000 + d_port_e = 6023 + self.spd_create_and_intf_add(1, [self.pg1]) + policy_0 = self.spd_add_rem_policy( # outbound, priority 10 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=10, + policy_type="bypass", + all_ips=True, + local_port_start=s_port_s, + local_port_stop=s_port_e, + remote_port_start=d_port_s, + remote_port_stop=d_port_e, + ) + policy_1 = self.spd_add_rem_policy( # outbound, priority 5 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=5, + policy_type="discard", + all_ips=True, + local_port_start=s_port_s, + local_port_stop=s_port_e, + remote_port_start=d_port_s, + remote_port_stop=d_port_e, + ) + + # create the packet stream + packets = self.create_stream(self.pg0, self.pg1, pkt_count, 1333, 5444) + # add the stream to the source interface + enable capture + self.pg0.add_stream(packets) + self.pg0.enable_capture() + self.pg1.enable_capture() + # start the packet generator + self.pg_start() + # get capture + capture = self.pg1.get_capture() + for packet in capture: + try: + self.logger.debug(ppp("SPD - Got packet:", packet)) + except Exception: + self.logger.error(ppp("Unexpected or invalid packet:", packet)) + raise + self.logger.debug("SPD: Num packets: %s", len(capture.res)) + + # assert nothing captured on pg0 + self.pg0.assert_nothing_captured() + # verify captured packets + self.verify_capture(self.pg0, self.pg1, capture) + # verify all policies matched the expected number of times + self.verify_policy_match(pkt_count, policy_0) + self.verify_policy_match(0, policy_1) + + +class IPSec6SpdTestCaseAddIPRange(SpdFastPathIPv6Outbound): + """ IPSec/IPv6 outbound: Policy mode test case with fast path \ + (add ips range with any port rule)""" + + def test_ipsec_spd_outbound_add(self): + # In this test case, packets in IPv4 FWD path are configured + # to go through IPSec outbound SPD policy lookup. + # 2 SPD rules (1 HIGH and 1 LOW) are added. + # High priority rule action is set to BYPASS. + # Low priority rule action is set to DISCARD. + # Traffic sent on pg0 interface should match high priority + # rule and should be sent out on pg1 interface. + self.create_interfaces(2) + pkt_count = 5 + s_ip_s = ipaddress.ip_address(self.pg0.remote_ip6) + s_ip_e = ipaddress.ip_address(int(s_ip_s) + 5) + d_ip_s = ipaddress.ip_address(self.pg1.remote_ip6) + d_ip_e = ipaddress.ip_address(int(d_ip_s) + 0) + self.spd_create_and_intf_add(1, [self.pg1]) + policy_0 = self.spd_add_rem_policy( # outbound, priority 10 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=10, + policy_type="bypass", + ip_range=True, + local_ip_start=s_ip_s, + local_ip_stop=s_ip_e, + remote_ip_start=d_ip_s, + remote_ip_stop=d_ip_e, + ) + policy_1 = self.spd_add_rem_policy( # outbound, priority 5 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=5, + policy_type="discard", + ip_range=True, + local_ip_start=s_ip_s, + local_ip_stop=s_ip_e, + remote_ip_start=d_ip_s, + remote_ip_stop=d_ip_e, + ) + + # create the packet stream + packets = self.create_stream(self.pg0, self.pg1, pkt_count) + # add the stream to the source interface + enable capture + self.pg0.add_stream(packets) + self.pg0.enable_capture() + self.pg1.enable_capture() + # start the packet generator + self.pg_start() + # get capture + capture = self.pg1.get_capture() + for packet in capture: + try: + self.logger.debug(ppp("SPD - Got packet:", packet)) + except Exception: + self.logger.error(ppp("Unexpected or invalid packet:", packet)) + raise + self.logger.debug("SPD: Num packets: %s", len(capture.res)) + + # assert nothing captured on pg0 + self.pg0.assert_nothing_captured() + # verify captured packets + self.verify_capture(self.pg0, self.pg1, capture) + # verify all policies matched the expected number of times + self.verify_policy_match(pkt_count, policy_0) + self.verify_policy_match(0, policy_1) + + +class IPSec6SpdTestCaseAddIPAndPortRange(SpdFastPathIPv6Outbound): + """ IPSec/IPvr6 outbound: Policy mode test case with fast path \ + (add all ips range rule)""" + + def test_ipsec_spd_outbound_add(self): + # In this test case, packets in IPv4 FWD path are configured + # to go through IPSec outbound SPD policy lookup. + # 2 SPD rules (1 HIGH and 1 LOW) are added. + # High priority rule action is set to BYPASS. + # Low priority rule action is set to DISCARD. + # Traffic sent on pg0 interface should match high priority + # rule and should be sent out on pg1 interface. + # in this test we define ranges of ports and ip addresses. + self.create_interfaces(2) + pkt_count = 5 + s_port_s = 1000 + s_port_e = 1000 + 1023 + d_port_s = 5000 + d_port_e = 5000 + 1023 + + s_ip_s = ipaddress.ip_address( + int(ipaddress.ip_address(self.pg0.remote_ip6)) - 24 + ) + s_ip_e = ipaddress.ip_address(int(s_ip_s) + 255) + d_ip_s = ipaddress.ip_address(self.pg1.remote_ip6) + d_ip_e = ipaddress.ip_address(int(d_ip_s) + 255) + self.spd_create_and_intf_add(1, [self.pg1]) + policy_0 = self.spd_add_rem_policy( # outbound, priority 10 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=10, + policy_type="bypass", + ip_range=True, + local_ip_start=s_ip_s, + local_ip_stop=s_ip_e, + remote_ip_start=d_ip_s, + remote_ip_stop=d_ip_e, + local_port_start=s_port_s, + local_port_stop=s_port_e, + remote_port_start=d_port_s, + remote_port_stop=d_port_e, + ) + policy_1 = self.spd_add_rem_policy( # outbound, priority 5 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=5, + policy_type="discard", + ip_range=True, + local_ip_start=s_ip_s, + local_ip_stop=s_ip_e, + remote_ip_start=d_ip_s, + remote_ip_stop=d_ip_e, + local_port_start=s_port_s, + local_port_stop=s_port_e, + remote_port_start=d_port_s, + remote_port_stop=d_port_e, + ) + + # create the packet stream + packets = self.create_stream(self.pg0, self.pg1, pkt_count) + # add the stream to the source interface + enable capture + self.pg0.add_stream(packets) + self.pg0.enable_capture() + self.pg1.enable_capture() + # start the packet generator + self.pg_start() + # get capture + capture = self.pg1.get_capture() + for packet in capture: + try: + self.logger.debug(ppp("SPD - Got packet:", packet)) + except Exception: + self.logger.error(ppp("Unexpected or invalid packet:", packet)) + raise + self.logger.debug("SPD: Num packets: %s", len(capture.res)) + + # assert nothing captured on pg0 + self.pg0.assert_nothing_captured() + # verify captured packets + self.verify_capture(self.pg0, self.pg1, capture) + # verify all policies matched the expected number of times + self.verify_policy_match(pkt_count, policy_0) + self.verify_policy_match(0, policy_1) + + +class IPSec6SpdTestCaseReadd(SpdFastPathIPv6Outbound): + """ IPSec/IPv6 outbound: Policy mode test case with fast path \ + (add, remove, re-add)""" + + def test_ipsec_spd_outbound_readd(self): + # In this test case, packets in IPv4 FWD path are configured + # to go through IPSec outbound SPD policy lookup. + # 2 SPD rules (1 HIGH and 1 LOW) are added. + # High priority rule action is set to BYPASS. + # Low priority rule action is set to DISCARD. + # Traffic sent on pg0 interface should match high priority + # rule and should be sent out on pg1 interface. + # High priority rule is then removed. + # Traffic sent on pg0 interface should match low priority + # rule and should be discarded after SPD lookup. + # Readd high priority rule. + # Traffic sent on pg0 interface should match high priority + # rule and should be sent out on pg1 interface. + self.create_interfaces(2) + pkt_count = 5 + self.spd_create_and_intf_add(1, [self.pg1]) + policy_0 = self.spd_add_rem_policy( # outbound, priority 10 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=10, + policy_type="bypass", + ) + policy_1 = self.spd_add_rem_policy( # outbound, priority 5 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=5, + policy_type="discard", + ) + + # create the packet stream + packets = self.create_stream(self.pg0, self.pg1, pkt_count) + # add the stream to the source interface + enable capture + self.pg0.add_stream(packets) + self.pg0.enable_capture() + self.pg1.enable_capture() + # start the packet generator + self.pg_start() + # get capture + capture = self.pg1.get_capture() + for packet in capture: + try: + self.logger.debug(ppp("SPD - Got packet:", packet)) + except Exception: + self.logger.error(ppp("Unexpected or invalid packet:", packet)) + raise + self.logger.debug("SPD: Num packets: %s", len(capture.res)) + + # assert nothing captured on pg0 + self.pg0.assert_nothing_captured() + # verify capture on pg1 + self.verify_capture(self.pg0, self.pg1, capture) + # verify all policies matched the expected number of times + self.verify_policy_match(pkt_count, policy_0) + self.verify_policy_match(0, policy_1) + # remove the bypass rule, leaving only the discard rule + self.spd_add_rem_policy( # outbound, priority 10 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=10, + policy_type="bypass", + remove=True, + ) + + # resend the same packets + self.pg0.add_stream(packets) + self.pg0.enable_capture() # flush the old captures + self.pg1.enable_capture() + self.pg_start() + + # assert nothing captured on pg0 + self.pg0.assert_nothing_captured() + # all packets will be dropped by SPD rule + self.pg1.assert_nothing_captured() + # verify all policies matched the expected number of times + self.verify_policy_match(pkt_count, policy_0) + self.verify_policy_match(pkt_count, policy_1) + + # now readd the bypass rule + policy_0 = self.spd_add_rem_policy( # outbound, priority 10 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=10, + policy_type="bypass", + ) + + # resend the same packets + self.pg0.add_stream(packets) + self.pg0.enable_capture() # flush the old captures + self.pg1.enable_capture() + self.pg_start() + + # get capture + capture = self.pg1.get_capture(pkt_count) + for packet in capture: + try: + self.logger.debug(ppp("SPD - Got packet:", packet)) + except Exception: + self.logger.error(ppp("Unexpected or invalid packet:", packet)) + raise + self.logger.debug("SPD: Num packets: %s", len(capture.res)) + + # assert nothing captured on pg0 + self.pg0.assert_nothing_captured() + # verify captured packets + self.verify_capture(self.pg0, self.pg1, capture) + # verify all policies matched the expected number of times + self.verify_policy_match(pkt_count, policy_0) + self.verify_policy_match(pkt_count, policy_1) + + +class IPSec6SpdTestCaseMultiple(SpdFastPathIPv6Outbound): + """ IPSec/IPv6 outbound: Policy mode test case with fast path \ + (multiple interfaces, multiple rules)""" + + def test_ipsec_spd_outbound_multiple(self): + # In this test case, packets in IPv4 FWD path are configured to go + # through IPSec outbound SPD policy lookup. + # Multiples rules on multiple interfaces are tested at the same time. + # 3x interfaces are configured, binding the same SPD to each. + # Each interface has 2 SPD rules (1 BYPASS and 1 DISCARD). + # On pg0 & pg1, the BYPASS rule is HIGH priority + # On pg2, the DISCARD rule is HIGH priority + # Traffic should be received on pg0 & pg1 and dropped on pg2. + self.create_interfaces(3) + pkt_count = 5 + # bind SPD to all interfaces + self.spd_create_and_intf_add(1, self.pg_interfaces) + # add rules on all interfaces + policy_01 = self.spd_add_rem_policy( # outbound, priority 10 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=10, + policy_type="bypass", + ) + policy_02 = self.spd_add_rem_policy( # outbound, priority 5 + 1, + self.pg0, + self.pg1, + socket.IPPROTO_UDP, + is_out=1, + priority=5, + policy_type="discard", + ) + + policy_11 = self.spd_add_rem_policy( # outbound, priority 10 + 1, + self.pg1, + self.pg2, + socket.IPPROTO_UDP, + is_out=1, + priority=10, + policy_type="bypass", + ) + policy_12 = self.spd_add_rem_policy( # outbound, priority 5 + 1, + self.pg1, + self.pg2, + socket.IPPROTO_UDP, + is_out=1, + priority=5, + policy_type="discard", + ) + + policy_21 = self.spd_add_rem_policy( # outbound, priority 5 + 1, + self.pg2, + self.pg0, + socket.IPPROTO_UDP, + is_out=1, + priority=5, + policy_type="bypass", + ) + policy_22 = self.spd_add_rem_policy( # outbound, priority 10 + 1, + self.pg2, + self.pg0, + socket.IPPROTO_UDP, + is_out=1, + priority=10, + policy_type="discard", + ) + + # interfaces bound to an SPD, will by default drop inbound + # traffic with no matching policies. add catch-all inbound + # bypass rule to SPD: + self.spd_add_rem_policy( # inbound, all interfaces + 1, + None, + None, + socket.IPPROTO_UDP, + is_out=0, + priority=10, + policy_type="bypass", + all_ips=True, + ) + + # create the packet streams + packets0 = self.create_stream(self.pg0, self.pg1, pkt_count) + packets1 = self.create_stream(self.pg1, self.pg2, pkt_count) + packets2 = self.create_stream(self.pg2, self.pg0, pkt_count) + # add the streams to the source interfaces + self.pg0.add_stream(packets0) + self.pg1.add_stream(packets1) + self.pg2.add_stream(packets2) + # enable capture on all interfaces + for pg in self.pg_interfaces: + pg.enable_capture() + # start the packet generator + self.pg_start() + + # get captures + if_caps = [] + for pg in [self.pg1, self.pg2]: # we are expecting captures on pg1/pg2 + if_caps.append(pg.get_capture()) + for packet in if_caps[-1]: + try: + self.logger.debug(ppp("SPD - Got packet:", packet)) + except Exception: + self.logger.error(ppp("Unexpected or invalid packet:", packet)) + raise + self.logger.debug("SPD: Num packets: %s", len(if_caps[0].res)) + self.logger.debug("SPD: Num packets: %s", len(if_caps[1].res)) + + # verify captures that matched BYPASS rule + self.verify_capture(self.pg0, self.pg1, if_caps[0]) + self.verify_capture(self.pg1, self.pg2, if_caps[1]) + # verify that traffic to pg0 matched DISCARD rule and was dropped + self.pg0.assert_nothing_captured() + # verify all packets that were expected to match rules, matched + # pg0 -> pg1 + self.verify_policy_match(pkt_count, policy_01) + self.verify_policy_match(0, policy_02) + # pg1 -> pg2 + self.verify_policy_match(pkt_count, policy_11) + self.verify_policy_match(0, policy_12) + # pg2 -> pg0 + self.verify_policy_match(0, policy_21) + self.verify_policy_match(pkt_count, policy_22) + + +if __name__ == "__main__": + unittest.main(testRunner=VppTestRunner) |