Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 9851] New: Lua dissector TCP reassembly doesn't work as advertised

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Bug ID	9851
Summary	Lua dissector TCP reassembly doesn't work as advertised
Classification	Unclassified
Product	Wireshark
Version	1.11.x (Experimental)
Hardware	x86
OS	Mac OS X 10.9
Status	UNCONFIRMED
Severity	Normal
Priority	Low
Component	Dissection engine (libwireshark)
Assignee	bugzilla-admin@wireshark.org
Reporter	hadrielk@yahoo.com

Build Information:
Paste the COMPLETE build information from "Help->About Wireshark", "wireshark
-v", or "tshark -v".
--
According to the docs, a Lua-based dissector should be able to act like the
"new" dissectors with regards to TCP reassembly handling, and return the number
of bytes consumed.  In fact the Lua code registers dissectors as the new type,
and even pass back the number of bytes consumed to the caller (to TCP).  But it
doesn't do anything.

Also, the tcp_dissect_pdus() function isn't exposed to Lua, so one wonders how
this ever worked. (perhaps the reassembly model changed at some point)

Anyway... the hard part is figuring out what the best way to handle this is. I
don't want to expose too much of the internal details because we'd just break
this again in the future if the internals change, or have to do more work to
try to not break it.

Suggestions welcomed. :)

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