14 lines
425 B
Diff
14 lines
425 B
Diff
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diff --git a/scapy/contrib/mpls.py b/scapy/contrib/mpls.py
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index 640a0c5..6af1d4a 100644
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--- a/scapy/contrib/mpls.py
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+++ b/scapy/contrib/mpls.py
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@@ -18,6 +18,8 @@ class MPLS(Packet):
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def guess_payload_class(self, payload):
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if len(payload) >= 1:
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+ if not self.s:
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+ return MPLS
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ip_version = (ord(payload[0]) >> 4) & 0xF
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if ip_version == 4:
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return IP
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