tests: move plugin tests to src/plugins/*/test
- Relocate plugin tests for 'make test' into src/plugins/*/test so that plugin test cases are co-located with the plugin source code. Type: refactor Signed-off-by: Dave Wallace <dwallacelf@gmail.com> Change-Id: I503e6a43528e14981799b735fa65674155713f67 Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
This commit is contained in:
Dave Wallace
committed by
Dave Barach
Dave Barach
parent
34af0ccf5c
commit
a43c93f855
@ -1,271 +0,0 @@
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#!/usr/bin/env python
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import socket
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import scapy.compat
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from scapy.layers.l2 import Ether
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from scapy.layers.inet import ICMP, IP, TCP, UDP
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from scapy.layers.ipsec import SecurityAssociation, ESP
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from util import ppp, ppc
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from template_ipsec import TemplateIpsec
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from vpp_ipsec import VppIpsecSA, VppIpsecSpd, VppIpsecSpdEntry,\
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VppIpsecSpdItfBinding
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from vpp_ip_route import VppIpRoute, VppRoutePath
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from vpp_ip import DpoProto
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from vpp_papi import VppEnum
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class IPSecNATTestCase(TemplateIpsec):
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""" IPSec/NAT
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TUNNEL MODE:
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public network | private network
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--- encrypt --- plain ---
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|pg0| <------- |VPP| <------ |pg1|
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--- --- ---
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--- decrypt --- plain ---
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|pg0| -------> |VPP| ------> |pg1|
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--- --- ---
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"""
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tcp_port_in = 6303
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tcp_port_out = 6303
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udp_port_in = 6304
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udp_port_out = 6304
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icmp_id_in = 6305
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icmp_id_out = 6305
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@classmethod
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def setUpClass(cls):
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super(IPSecNATTestCase, cls).setUpClass()
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@classmethod
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def tearDownClass(cls):
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super(IPSecNATTestCase, cls).tearDownClass()
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def setUp(self):
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super(IPSecNATTestCase, self).setUp()
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self.tun_if = self.pg0
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self.tun_spd = VppIpsecSpd(self, self.tun_spd_id)
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self.tun_spd.add_vpp_config()
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VppIpsecSpdItfBinding(self, self.tun_spd,
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self.tun_if).add_vpp_config()
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p = self.ipv4_params
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self.config_esp_tun(p)
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self.logger.info(self.vapi.ppcli("show ipsec all"))
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d = DpoProto.DPO_PROTO_IP6 if p.is_ipv6 else DpoProto.DPO_PROTO_IP4
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VppIpRoute(self, p.remote_tun_if_host, p.addr_len,
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[VppRoutePath(self.tun_if.remote_addr[p.addr_type],
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0xffffffff,
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proto=d)]).add_vpp_config()
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def tearDown(self):
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super(IPSecNATTestCase, self).tearDown()
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def create_stream_plain(self, src_mac, dst_mac, src_ip, dst_ip):
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return [
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# TCP
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Ether(src=src_mac, dst=dst_mac) /
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IP(src=src_ip, dst=dst_ip) /
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TCP(sport=self.tcp_port_in, dport=20),
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# UDP
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Ether(src=src_mac, dst=dst_mac) /
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IP(src=src_ip, dst=dst_ip) /
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UDP(sport=self.udp_port_in, dport=20),
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# ICMP
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Ether(src=src_mac, dst=dst_mac) /
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IP(src=src_ip, dst=dst_ip) /
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ICMP(id=self.icmp_id_in, type='echo-request')
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]
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def create_stream_encrypted(self, src_mac, dst_mac, src_ip, dst_ip, sa):
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return [
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# TCP
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Ether(src=src_mac, dst=dst_mac) /
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sa.encrypt(IP(src=src_ip, dst=dst_ip) /
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TCP(dport=self.tcp_port_out, sport=20)),
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# UDP
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Ether(src=src_mac, dst=dst_mac) /
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sa.encrypt(IP(src=src_ip, dst=dst_ip) /
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UDP(dport=self.udp_port_out, sport=20)),
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# ICMP
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Ether(src=src_mac, dst=dst_mac) /
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sa.encrypt(IP(src=src_ip, dst=dst_ip) /
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ICMP(id=self.icmp_id_out, type='echo-request'))
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]
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def verify_capture_plain(self, capture):
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for packet in capture:
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try:
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self.assert_packet_checksums_valid(packet)
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self.assert_equal(packet[IP].src, self.tun_if.remote_ip4,
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"decrypted packet source address")
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self.assert_equal(packet[IP].dst, self.pg1.remote_ip4,
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"decrypted packet destination address")
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if packet.haslayer(TCP):
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self.assertFalse(
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packet.haslayer(UDP),
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"unexpected UDP header in decrypted packet")
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self.assert_equal(packet[TCP].dport, self.tcp_port_in,
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"decrypted packet TCP destination port")
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elif packet.haslayer(UDP):
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if packet[UDP].payload:
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self.assertFalse(
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packet[UDP][1].haslayer(UDP),
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"unexpected UDP header in decrypted packet")
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self.assert_equal(packet[UDP].dport, self.udp_port_in,
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"decrypted packet UDP destination port")
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else:
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self.assertFalse(
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packet.haslayer(UDP),
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"unexpected UDP header in decrypted packet")
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self.assert_equal(packet[ICMP].id, self.icmp_id_in,
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"decrypted packet ICMP ID")
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except Exception:
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self.logger.error(
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ppp("Unexpected or invalid plain packet:", packet))
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raise
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def verify_capture_encrypted(self, capture, sa):
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for packet in capture:
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try:
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copy = packet.__class__(scapy.compat.raw(packet))
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del copy[UDP].len
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copy = packet.__class__(scapy.compat.raw(copy))
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self.assert_equal(packet[UDP].len, copy[UDP].len,
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"UDP header length")
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self.assert_packet_checksums_valid(packet)
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self.assertIn(ESP, packet[IP])
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decrypt_pkt = sa.decrypt(packet[IP])
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self.assert_packet_checksums_valid(decrypt_pkt)
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self.assert_equal(decrypt_pkt[IP].src, self.pg1.remote_ip4,
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"encrypted packet source address")
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self.assert_equal(decrypt_pkt[IP].dst, self.tun_if.remote_ip4,
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"encrypted packet destination address")
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except Exception:
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self.logger.error(
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ppp("Unexpected or invalid encrypted packet:", packet))
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raise
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def config_esp_tun(self, params):
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addr_type = params.addr_type
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scapy_tun_sa_id = params.scapy_tun_sa_id
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scapy_tun_spi = params.scapy_tun_spi
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vpp_tun_sa_id = params.vpp_tun_sa_id
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vpp_tun_spi = params.vpp_tun_spi
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auth_algo_vpp_id = params.auth_algo_vpp_id
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auth_key = params.auth_key
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crypt_algo_vpp_id = params.crypt_algo_vpp_id
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crypt_key = params.crypt_key
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addr_any = params.addr_any
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addr_bcast = params.addr_bcast
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flags = (VppEnum.vl_api_ipsec_sad_flags_t.
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IPSEC_API_SAD_FLAG_UDP_ENCAP)
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e = VppEnum.vl_api_ipsec_spd_action_t
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VppIpsecSA(self, scapy_tun_sa_id, scapy_tun_spi,
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auth_algo_vpp_id, auth_key,
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crypt_algo_vpp_id, crypt_key,
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self.vpp_esp_protocol,
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self.pg1.remote_addr[addr_type],
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self.tun_if.remote_addr[addr_type],
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flags=flags).add_vpp_config()
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VppIpsecSA(self, vpp_tun_sa_id, vpp_tun_spi,
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auth_algo_vpp_id, auth_key,
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crypt_algo_vpp_id, crypt_key,
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self.vpp_esp_protocol,
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self.tun_if.remote_addr[addr_type],
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self.pg1.remote_addr[addr_type],
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flags=flags).add_vpp_config()
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VppIpsecSpdEntry(self, self.tun_spd, scapy_tun_sa_id,
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addr_any, addr_bcast,
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addr_any, addr_bcast,
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socket.IPPROTO_ESP).add_vpp_config()
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VppIpsecSpdEntry(self, self.tun_spd, scapy_tun_sa_id,
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addr_any, addr_bcast,
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addr_any, addr_bcast,
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socket.IPPROTO_ESP,
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is_outbound=0).add_vpp_config()
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VppIpsecSpdEntry(self, self.tun_spd, scapy_tun_sa_id,
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addr_any, addr_bcast,
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addr_any, addr_bcast,
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socket.IPPROTO_UDP,
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remote_port_start=4500,
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remote_port_stop=4500).add_vpp_config()
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VppIpsecSpdEntry(self, self.tun_spd, scapy_tun_sa_id,
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addr_any, addr_bcast,
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addr_any, addr_bcast,
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socket.IPPROTO_UDP,
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remote_port_start=4500,
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remote_port_stop=4500,
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is_outbound=0).add_vpp_config()
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VppIpsecSpdEntry(self, self.tun_spd, vpp_tun_sa_id,
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self.tun_if.remote_addr[addr_type],
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self.tun_if.remote_addr[addr_type],
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self.pg1.remote_addr[addr_type],
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self.pg1.remote_addr[addr_type],
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0, priority=10,
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policy=e.IPSEC_API_SPD_ACTION_PROTECT,
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is_outbound=0).add_vpp_config()
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VppIpsecSpdEntry(self, self.tun_spd, scapy_tun_sa_id,
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self.pg1.remote_addr[addr_type],
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self.pg1.remote_addr[addr_type],
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self.tun_if.remote_addr[addr_type],
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self.tun_if.remote_addr[addr_type],
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0, policy=e.IPSEC_API_SPD_ACTION_PROTECT,
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priority=10).add_vpp_config()
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def test_ipsec_nat_tun(self):
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""" IPSec/NAT tunnel test case """
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p = self.ipv4_params
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scapy_tun_sa = SecurityAssociation(ESP, spi=p.scapy_tun_spi,
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crypt_algo=p.crypt_algo,
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crypt_key=p.crypt_key,
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auth_algo=p.auth_algo,
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auth_key=p.auth_key,
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tunnel_header=IP(
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src=self.pg1.remote_ip4,
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dst=self.tun_if.remote_ip4),
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nat_t_header=UDP(
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sport=4500,
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dport=4500))
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# in2out - from private network to public
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pkts = self.create_stream_plain(
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self.pg1.remote_mac, self.pg1.local_mac,
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self.pg1.remote_ip4, self.tun_if.remote_ip4)
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self.pg1.add_stream(pkts)
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self.pg_enable_capture(self.pg_interfaces)
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self.pg_start()
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capture = self.tun_if.get_capture(len(pkts))
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self.verify_capture_encrypted(capture, scapy_tun_sa)
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vpp_tun_sa = SecurityAssociation(ESP,
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spi=p.vpp_tun_spi,
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crypt_algo=p.crypt_algo,
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crypt_key=p.crypt_key,
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auth_algo=p.auth_algo,
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auth_key=p.auth_key,
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tunnel_header=IP(
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src=self.tun_if.remote_ip4,
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dst=self.pg1.remote_ip4),
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nat_t_header=UDP(
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sport=4500,
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dport=4500))
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# out2in - from public network to private
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pkts = self.create_stream_encrypted(
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self.tun_if.remote_mac, self.tun_if.local_mac,
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self.tun_if.remote_ip4, self.pg1.remote_ip4, vpp_tun_sa)
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self.logger.info(ppc("Sending packets:", pkts))
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self.tun_if.add_stream(pkts)
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self.pg_enable_capture(self.pg_interfaces)
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self.pg_start()
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capture = self.pg1.get_capture(len(pkts))
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self.verify_capture_plain(capture)
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