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authorAlexander Chernavin <achernavin@netgate.com>2020-01-17 08:31:04 -0500
committerPaul Vinciguerra <pvinci@vinciconsulting.com>2020-01-29 14:00:05 +0000
commit31b1a6ce1d427d08b3ae1eac75d702860c255043 (patch)
tree269ddf1da2d6c5548b558a3a281b3259b8123eb6 /src/plugins/map
parentf31acfafb2e78841c0cc1813ddf787829d7f937d (diff)
tests: add map-t fragmentation verifications
Type: test Change-Id: I5522e88ee178d0563c246895393e835d125f1b81 Signed-off-by: Alexander Chernavin <achernavin@netgate.com>
Diffstat (limited to 'src/plugins/map')
-rw-r--r--src/plugins/map/test/test_map.py46
1 files changed, 36 insertions, 10 deletions
diff --git a/src/plugins/map/test/test_map.py b/src/plugins/map/test/test_map.py
index 592e49e499a..03913ce1466 100644
--- a/src/plugins/map/test/test_map.py
+++ b/src/plugins/map/test/test_map.py
@@ -11,8 +11,8 @@ from util import fragment_rfc791, fragment_rfc8200
import scapy.compat
from scapy.layers.l2 import Ether
from scapy.packet import Raw
-from scapy.layers.inet import IP, UDP, ICMP, TCP, fragment
-from scapy.layers.inet6 import IPv6, ICMPv6TimeExceeded
+from scapy.layers.inet import IP, UDP, ICMP, TCP
+from scapy.layers.inet6 import IPv6, ICMPv6TimeExceeded, IPv6ExtHdrFragment
class TestMAP(VppTestCase):
@@ -435,6 +435,26 @@ class TestMAP(VppTestCase):
def validate(self, rx, expected):
self.assertEqual(rx, expected.__class__(scapy.compat.raw(expected)))
+ def validate_frag(self, p6_frag, p_ip6_expected):
+ self.assertFalse(p6_frag.haslayer(IP))
+ self.assertTrue(p6_frag.haslayer(IPv6))
+ self.assertTrue(p6_frag.haslayer(IPv6ExtHdrFragment))
+ self.assertEqual(p6_frag[IPv6].src, p_ip6_expected.src)
+ self.assertEqual(p6_frag[IPv6].dst, p_ip6_expected.dst)
+
+ def validate_frag_payload_len(self, rx, proto, payload_len_expected):
+ payload_total = 0
+ for p in rx:
+ payload_total += p[IPv6].plen
+
+ # First fragment has proto
+ payload_total -= len(proto())
+
+ # Every fragment has IPv6 fragment header
+ payload_total -= len(IPv6ExtHdrFragment()) * len(rx)
+
+ self.assertEqual(payload_total, payload_len_expected)
+
def payload(self, len):
return 'x' * len
@@ -579,28 +599,34 @@ class TestMAP(VppTestCase):
self.send_and_assert_no_replies(self.pg1, p6*1)
# Packet fragmentation
- payload = UDP(sport=40000, dport=4000) / self.payload(1453)
+ payload_len = 1453
+ payload = UDP(sport=40000, dport=4000) / self.payload(payload_len)
p4 = (p_ether / p_ip4 / payload)
self.pg_enable_capture()
self.pg0.add_stream(p4)
self.pg_start()
rx = self.pg1.get_capture(2)
+
+ p_ip6_translated = IPv6(src='1234:5678:90ab:cdef:ac:1001:200:0',
+ dst='2001:db8:1e0::c0a8:1:e')
for p in rx:
- pass
- # TODO: Manual validation
- # self.validate(p[1], icmp4_reply)
+ self.validate_frag(p, p_ip6_translated)
+
+ self.validate_frag_payload_len(rx, UDP, payload_len)
# Packet fragmentation send fragments
- payload = UDP(sport=40000, dport=4000) / self.payload(1453)
+ payload = UDP(sport=40000, dport=4000) / self.payload(payload_len)
p4 = (p_ether / p_ip4 / payload)
- frags = fragment(p4, fragsize=1000)
+ frags = fragment_rfc791(p4, fragsize=1000)
self.pg_enable_capture()
self.pg0.add_stream(frags)
self.pg_start()
rx = self.pg1.get_capture(2)
+
for p in rx:
- pass
- # p.show2()
+ self.validate_frag(p, p_ip6_translated)
+
+ self.validate_frag_payload_len(rx, UDP, payload_len)
# reass_pkt = reassemble(rx)
# p4_reply.ttl -= 1