diff options
author | 2017-05-24 01:52:20 -0700 | |
---|---|---|
committer | 2017-05-24 19:49:16 +0000 | |
commit | 6631e9c1648f08f7d4fbe94e1218eee7820b4c23 (patch) | |
tree | bfc778d95e86595db903762fc8ea3d2b15fac663 | |
parent | 630198f04916deb35c5b7774823ae1a5dd168a6c (diff) |
SNAT: fix IPFIX data src and dst port
Change-Id: Ifa9582962710a3601fcccbbf388529043fc7f08a
Signed-off-by: Matus Fabian <matfabia@cisco.com>
-rw-r--r-- | src/plugins/snat/snat_ipfix_logging.c | 4 | ||||
-rw-r--r-- | test/test_snat.py | 33 |
2 files changed, 31 insertions, 6 deletions
diff --git a/src/plugins/snat/snat_ipfix_logging.c b/src/plugins/snat/snat_ipfix_logging.c index b099d321..1a111863 100644 --- a/src/plugins/snat/snat_ipfix_logging.c +++ b/src/plugins/snat/snat_ipfix_logging.c @@ -264,8 +264,8 @@ snat_ipfix_header_create (flow_report_main_t * frm, ip->flags_and_fragment_offset = 0; ip->src_address.as_u32 = frm->src_address.as_u32; ip->dst_address.as_u32 = frm->ipfix_collector.as_u32; - udp->src_port = clib_host_to_net_u16 (UDP_DST_PORT_ipfix); - udp->dst_port = clib_host_to_net_u16 (UDP_DST_PORT_ipfix); + udp->src_port = clib_host_to_net_u16 (stream->src_port); + udp->dst_port = clib_host_to_net_u16 (frm->collector_port); udp->checksum = 0; h->export_time = clib_host_to_net_u32 ( diff --git a/test/test_snat.py b/test/test_snat.py index b85c3dfe..8d384384 100644 --- a/test/test_snat.py +++ b/test/test_snat.py @@ -9,6 +9,7 @@ from scapy.layers.inet import IP, TCP, UDP, ICMP from scapy.layers.inet import IPerror, TCPerror, UDPerror, ICMPerror from scapy.layers.l2 import Ether, ARP from scapy.data import IP_PROTOS +from scapy.packet import bind_layers from util import ppp from ipfix import IPFIX, Set, Template, Data, IPFIXDecoder from time import sleep @@ -312,6 +313,8 @@ class TestSNAT(MethodHolder): cls.icmp_id_in = 6305 cls.icmp_id_out = 6305 cls.snat_addr = '10.0.0.3' + cls.ipfix_src_port = 4739 + cls.ipfix_domain_id = 1 cls.create_pg_interfaces(range(9)) cls.interfaces = list(cls.pg_interfaces[0:4]) @@ -381,7 +384,10 @@ class TestSNAT(MethodHolder): for intf in interfaces: self.vapi.snat_add_interface_addr(intf.sw_if_index, is_add=0) - self.vapi.snat_ipfix(enable=0) + self.vapi.snat_ipfix(enable=0, src_port=self.ipfix_src_port, + domain_id=self.ipfix_domain_id) + self.ipfix_src_port = 4739 + self.ipfix_domain_id = 1 interfaces = self.vapi.snat_interface_dump() for intf in interfaces: @@ -1141,6 +1147,10 @@ class TestSNAT(MethodHolder): def test_ipfix_nat44_sess(self): """ S-NAT IPFIX logging NAT44 session created/delted """ + self.ipfix_domain_id = 10 + self.ipfix_src_port = 20202 + colector_port = 30303 + bind_layers(UDP, IPFIX, dport=30303) self.snat_add_address(self.snat_addr) self.vapi.snat_interface_add_del_feature(self.pg0.sw_if_index) self.vapi.snat_interface_add_del_feature(self.pg1.sw_if_index, @@ -1148,8 +1158,10 @@ class TestSNAT(MethodHolder): self.vapi.set_ipfix_exporter(collector_address=self.pg3.remote_ip4n, src_address=self.pg3.local_ip4n, path_mtu=512, - template_interval=10) - self.vapi.snat_ipfix() + template_interval=10, + collector_port=colector_port) + self.vapi.snat_ipfix(domain_id=self.ipfix_domain_id, + src_port=self.ipfix_src_port) pkts = self.create_stream_in(self.pg0, self.pg1) self.pg0.add_stream(pkts) @@ -1164,6 +1176,12 @@ class TestSNAT(MethodHolder): # first load template for p in capture: self.assertTrue(p.haslayer(IPFIX)) + self.assertEqual(p[IP].src, self.pg3.local_ip4) + self.assertEqual(p[IP].dst, self.pg3.remote_ip4) + self.assertEqual(p[UDP].sport, self.ipfix_src_port) + self.assertEqual(p[UDP].dport, colector_port) + self.assertEqual(p[IPFIX].observationDomainID, + self.ipfix_domain_id) if p.haslayer(Template): ipfix.add_template(p.getlayer(Template)) # verify events in data set @@ -1181,7 +1199,8 @@ class TestSNAT(MethodHolder): src_address=self.pg3.local_ip4n, path_mtu=512, template_interval=10) - self.vapi.snat_ipfix() + self.vapi.snat_ipfix(domain_id=self.ipfix_domain_id, + src_port=self.ipfix_src_port) p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) / @@ -1196,6 +1215,12 @@ class TestSNAT(MethodHolder): # first load template for p in capture: self.assertTrue(p.haslayer(IPFIX)) + self.assertEqual(p[IP].src, self.pg3.local_ip4) + self.assertEqual(p[IP].dst, self.pg3.remote_ip4) + self.assertEqual(p[UDP].sport, self.ipfix_src_port) + self.assertEqual(p[UDP].dport, 4739) + self.assertEqual(p[IPFIX].observationDomainID, + self.ipfix_domain_id) if p.haslayer(Template): ipfix.add_template(p.getlayer(Template)) # verify events in data set |