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authorBenoît Ganne <bganne@cisco.com>2019-06-06 17:53:21 +0200
committerNeale Ranns <nranns@cisco.com>2019-06-26 11:37:24 +0000
commitc47b97ddacc35cb10e4a2b0dcfff3e690ec5bf76 (patch)
tree54795991d95324283fff26ba91eda78c2fe64adb /test
parentab05508e1eb96749b68de8ccd2f6f88ff3e64fad (diff)
gbp: enforce same endpoint mac and ip src
During packet classification, make sure packets coming from an EP also matches this specific EP IP address and vice-versa. This prevents and EP to send a packet on behalf of another EP. Type: fix Change-Id: I30287644ec73b90d9b6913952a82b2baedf6a5ff Signed-off-by: Benoît Ganne <bganne@cisco.com>
Diffstat (limited to 'test')
-rw-r--r--test/test_gbp.py16
1 files changed, 13 insertions, 3 deletions
diff --git a/test/test_gbp.py b/test/test_gbp.py
index cc26238276a..ac0fb222633 100644
--- a/test/test_gbp.py
+++ b/test/test_gbp.py
@@ -3618,6 +3618,16 @@ class TestGBP(VppTestCase):
rep.add_vpp_config()
#
+ # EP1 impersonating EP3 is dropped
+ #
+ p = (Ether(src=eep1.mac, dst="ff:ff:ff:ff:ff:ff") /
+ Dot1Q(vlan=100) /
+ ARP(op="who-has",
+ psrc="10.0.0.3", pdst="10.0.0.128",
+ hwsrc=eep1.mac, hwdst="ff:ff:ff:ff:ff:ff"))
+ self.send_and_assert_no_replies(self.pg0, p)
+
+ #
# ARP packet from External EPs are accepted and replied to
#
p_arp = (Ether(src=eep1.mac, dst="ff:ff:ff:ff:ff:ff") /
@@ -3630,11 +3640,11 @@ class TestGBP(VppTestCase):
#
# ARP packet from host in remote subnet are accepted and replied to
#
- p_arp = (Ether(src=vlan_102.remote_mac, dst="ff:ff:ff:ff:ff:ff") /
+ p_arp = (Ether(src=eep3.mac, dst="ff:ff:ff:ff:ff:ff") /
Dot1Q(vlan=102) /
ARP(op="who-has",
- psrc="10.0.0.17", pdst="10.0.0.128",
- hwsrc=vlan_102.remote_mac, hwdst="ff:ff:ff:ff:ff:ff"))
+ psrc=eep3.ip4.address, pdst="10.0.0.128",
+ hwsrc=eep3.mac, hwdst="ff:ff:ff:ff:ff:ff"))
rxs = self.send_and_expect(self.pg0, p_arp * 1, self.pg0)
#