def verify_encrypted(self, p, sa, rxs):
decrypt_pkts = []
for rx in rxs:
+ if p.nat_header:
+ self.assertEqual(rx[UDP].dport, 4500)
self.assert_packet_checksums_valid(rx)
self.assertEqual(len(rx) - len(Ether()), rx[IP].len)
try:
self.verify_counters4(p, count)
+ def verify_keepalive(self, p):
+ pkt = (Ether(src=self.tun_if.remote_mac, dst=self.tun_if.local_mac) /
+ IP(src=p.remote_tun_if_host, dst=self.tun_if.local_ip4) /
+ UDP(sport=333, dport=4500) /
+ Raw(0xff))
+ self.send_and_assert_no_replies(self.tun_if, pkt*31)
+ self.assert_error_counter_equal(
+ '/err/%s/NAT Keepalive' % self.tun4_input_node, 31)
+
+ pkt = (Ether(src=self.tun_if.remote_mac, dst=self.tun_if.local_mac) /
+ IP(src=p.remote_tun_if_host, dst=self.tun_if.local_ip4) /
+ UDP(sport=333, dport=4500) /
+ Raw(0xfe))
+ self.send_and_assert_no_replies(self.tun_if, pkt*31)
+ self.assert_error_counter_equal(
+ '/err/%s/Too Short' % self.tun4_input_node, 31)
+
class IpsecTun4Tests(IpsecTun4):
""" UT test methods for Tunnel v4 """