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Drop SLP packets with error

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Some implementations send
error for services they do not provide.
This commit is contained in:
Jarrod Johnson 2023-06-08 08:02:59 -04:00
parent 67204f79a1
commit 68f9688292
1 changed files with 3 additions and 0 deletions
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3
confluent_server/confluent/discovery/protocols/slp.py
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@ -63,6 +63,9 @@ def _parse_slp_header(packet):
bytes(b'\x00' + packet[7:14]))
parsed['lang'] = packet[14:14 + langlen].decode('utf-8')
parsed['payload'] = packet[14 + langlen:]
errcode = struct.unpack('!H', packet[14 + langlen:16 + langlen])[0]
if errcode != 0:
return None
if offset:
parsed['offset'] = 14 + langlen
parsed['extoffset'] = offset