diff options
Diffstat (limited to 'test/template_ipsec.py')
| -rw-r--r-- | test/template_ipsec.py | 73 |
1 files changed, 46 insertions, 27 deletions
diff --git a/test/template_ipsec.py b/test/template_ipsec.py index 48ac270df72..f7becf0f82a 100644 --- a/test/template_ipsec.py +++ b/test/template_ipsec.py @@ -57,6 +57,7 @@ class IPsecIPv4Params: self.tun_flags = (VppEnum.vl_api_tunnel_encap_decap_flags_t. TUNNEL_API_ENCAP_DECAP_FLAG_NONE) self.dscp = 0 + self.async_mode = False class IPsecIPv6Params: @@ -101,6 +102,7 @@ class IPsecIPv6Params: self.tun_flags = (VppEnum.vl_api_tunnel_encap_decap_flags_t. TUNNEL_API_ENCAP_DECAP_FLAG_NONE) self.dscp = 0 + self.async_mode = False def mk_scapy_crypt_key(p): @@ -295,28 +297,46 @@ class IpsecTcpTests(IpsecTcp): class IpsecTra4(object): """ verify methods for Transport v4 """ + def get_replay_counts(self, p): + replay_node_name = ('/err/%s/SA replayed packet' % + self.tra4_decrypt_node_name[0]) + count = self.statistics.get_err_counter(replay_node_name) + + if p.async_mode: + replay_post_node_name = ('/err/%s/SA replayed packet' % + self.tra4_decrypt_node_name[p.async_mode]) + count += self.statistics.get_err_counter(replay_post_node_name) + + return count + + def get_hash_failed_counts(self, p): + if ESP == self.encryption_type and p.crypt_algo == "AES-GCM": + hash_failed_node_name = ('/err/%s/ESP decryption failed' % + self.tra4_decrypt_node_name[p.async_mode]) + else: + hash_failed_node_name = ('/err/%s/Integrity check failed' % + self.tra4_decrypt_node_name[p.async_mode]) + count = self.statistics.get_err_counter(hash_failed_node_name) + + if p.async_mode: + count += self.statistics.get_err_counter( + '/err/crypto-dispatch/bad-hmac') + + return count + def verify_tra_anti_replay(self): p = self.params[socket.AF_INET] esn_en = p.vpp_tra_sa.esn_en seq_cycle_node_name = ('/err/%s/sequence number cycled' % self.tra4_encrypt_node_name) - replay_node_name = ('/err/%s/SA replayed packet' % - self.tra4_decrypt_node_name) - if ESP == self.encryption_type and p.crypt_algo == "AES-GCM": - hash_failed_node_name = ('/err/%s/ESP decryption failed' % - self.tra4_decrypt_node_name) - else: - hash_failed_node_name = ('/err/%s/Integrity check failed' % - self.tra4_decrypt_node_name) - replay_count = self.statistics.get_err_counter(replay_node_name) - hash_failed_count = self.statistics.get_err_counter( - hash_failed_node_name) + replay_count = self.get_replay_counts(p) + hash_failed_count = self.get_hash_failed_counts(p) seq_cycle_count = self.statistics.get_err_counter(seq_cycle_node_name) if ESP == self.encryption_type: undersize_node_name = ('/err/%s/undersized packet' % - self.tra4_decrypt_node_name) + self.tra4_decrypt_node_name[0]) undersize_count = self.statistics.get_err_counter( undersize_node_name) @@ -340,12 +360,14 @@ class IpsecTra4(object): # replayed packets are dropped self.send_and_assert_no_replies(self.tra_if, pkts) replay_count += len(pkts) - self.assert_error_counter_equal(replay_node_name, replay_count) + self.assertEqual(self.get_replay_counts(p), replay_count) # # now send a batch of packets all with the same sequence number # the first packet in the batch is legitimate, the rest bogus # + self.vapi.cli("clear error") + self.vapi.cli("clear node counters") pkts = (Ether(src=self.tra_if.remote_mac, dst=self.tra_if.local_mac) / p.scapy_tra_sa.encrypt(IP(src=self.tra_if.remote_ip4, @@ -355,11 +377,12 @@ class IpsecTra4(object): recv_pkts = self.send_and_expect(self.tra_if, pkts * 8, self.tra_if, n_rx=1) replay_count += 7 - self.assert_error_counter_equal(replay_node_name, replay_count) + self.assertEqual(self.get_replay_counts(p), replay_count) # # now move the window over to 257 (more than one byte) and into Case A # + self.vapi.cli("clear error") pkt = (Ether(src=self.tra_if.remote_mac, dst=self.tra_if.local_mac) / p.scapy_tra_sa.encrypt(IP(src=self.tra_if.remote_ip4, @@ -371,7 +394,7 @@ class IpsecTra4(object): # replayed packets are dropped self.send_and_assert_no_replies(self.tra_if, pkt * 3) replay_count += 3 - self.assert_error_counter_equal(replay_node_name, replay_count) + self.assertEqual(self.get_replay_counts(p), replay_count) # the window size is 64 packets # in window are still accepted @@ -399,8 +422,7 @@ class IpsecTra4(object): self.send_and_assert_no_replies(self.tra_if, pkt * 17) hash_failed_count += 17 - self.assert_error_counter_equal(hash_failed_node_name, - hash_failed_count) + self.assertEqual(self.get_hash_failed_counts(p), hash_failed_count) # a malformed 'runt' packet # created by a mis-constructed SA @@ -445,13 +467,11 @@ class IpsecTra4(object): # an out of window error with ESN looks like a high sequence # wrap. but since it isn't then the verify will fail. hash_failed_count += 17 - self.assert_error_counter_equal(hash_failed_node_name, - hash_failed_count) + self.assertEqual(self.get_hash_failed_counts(p), hash_failed_count) else: replay_count += 17 - self.assert_error_counter_equal(replay_node_name, - replay_count) + self.assertEqual(self.get_replay_counts(p), replay_count) # valid packet moves the window over to 258 pkt = (Ether(src=self.tra_if.remote_mac, @@ -535,8 +555,7 @@ class IpsecTra4(object): self.send_and_assert_no_replies(self.tra_if, [pkt], self.tra_if) hash_failed_count += 1 - self.assert_error_counter_equal(hash_failed_node_name, - hash_failed_count) + self.assertEqual(self.get_hash_failed_counts(p), hash_failed_count) # # but if we move the wondow forward to case B, then we can wrap @@ -613,7 +632,7 @@ class IpsecTra4(object): (count, pkts)) self.assert_packet_counter_equal(self.tra4_encrypt_node_name, count) - self.assert_packet_counter_equal(self.tra4_decrypt_node_name, count) + self.assert_packet_counter_equal(self.tra4_decrypt_node_name[0], count) class IpsecTra4Tests(IpsecTra4): @@ -667,7 +686,7 @@ class IpsecTra6(object): "incorrect SA out counts: expected %d != %d" % (count, pkts)) self.assert_packet_counter_equal(self.tra6_encrypt_node_name, count) - self.assert_packet_counter_equal(self.tra6_decrypt_node_name, count) + self.assert_packet_counter_equal(self.tra6_decrypt_node_name[0], count) def gen_encrypt_pkts_ext_hdrs6(self, sa, sw_intf, src, dst, count=1, payload_size=54): @@ -816,7 +835,7 @@ class IpsecTun4(object): (count, pkts)) self.assert_packet_counter_equal(self.tun4_encrypt_node_name, n_frags) - self.assert_packet_counter_equal(self.tun4_decrypt_node_name, count) + self.assert_packet_counter_equal(self.tun4_decrypt_node_name[0], count) def verify_decrypted(self, p, rxs): for rx in rxs: @@ -1034,7 +1053,7 @@ class IpsecTun6(object): "incorrect SA out counts: expected %d != %d" % (count, pkts)) self.assert_packet_counter_equal(self.tun6_encrypt_node_name, count) - self.assert_packet_counter_equal(self.tun6_decrypt_node_name, count) + self.assert_packet_counter_equal(self.tun6_decrypt_node_name[0], count) def verify_decrypted6(self, p, rxs): for rx in rxs: |