tests: fix cdp patch for scapy 2.4.3
Type: test
Fixes:
diff --git a/scapy/contrib/cdp.py b/scapy/contrib/cdp.py
-index c8b7f106..7b1ff64d 100644
+index 9ad15c8a..d9cd08c6 100644
--- a/scapy/contrib/cdp.py
+++ b/scapy/contrib/cdp.py
-@@ -102,7 +102,8 @@ def _CDPGuessPayloadClass(p, **kargs):
- class CDPMsgGeneric(Packet):
- name = "CDP Generic Message"
- fields_desc = [ XShortEnumField("type", None, _cdp_tlv_types),
-- FieldLenField("len", None, "val", "!H"),
-+ FieldLenField("len", None, "val", "!H",
-+ adjust=lambda pkt, x: x + 4),
- StrLenField("val", "", length_from=lambda x:x.len - 4) ]
-
-
-@@ -178,5 +179,6 @@ class CDPMsgAddr(CDPMsgGeneric):
- class CDPMsgPortID(CDPMsgGeneric):
- name = "Port ID"
- fields_desc = [ XShortEnumField("type", 0x0003, _cdp_tlv_types),
-- FieldLenField("len", None, "iface", "!H"),
-+ FieldLenField("len", None, "iface", "!H",
-+ adjust=lambda pkt, x: x + 4),
- StrLenField("iface", "Port 1", length_from=lambda x:x.len - 4) ]
-@@ -319,7 +319,7 @@ class _CDPChecksum:
+@@ -357,7 +357,7 @@ class _CDPChecksum:
This padding is only used for checksum computation. The original
packet should not be altered."""
if len(pkt) % 2:
