Ethereal-dev: SV: SV: [Ethereal-dev] Patch for Bug #817

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From: "Anders Broman" <a.broman@xxxxxxxxx>
Date: Thu, 23 Mar 2006 19:43:03 +0100
Checked in.
Thanks!

Brg
Anders

-----Ursprungligt meddelande-----
Från: ethereal-dev-bounces@xxxxxxxxxxxx
[mailto:ethereal-dev-bounces@xxxxxxxxxxxx] För Mike Duigou
Skickat: den 23 mars 2006 19:24
Till: Ethereal development
Ämne: Re: SV: [Ethereal-dev] Patch for Bug #817

Corrected patch vs SVN 17707 enclosed.

This patch (and the previous patch) have been fuzz tested (>500 
iterations) with diverse JXTA traces.

Mike

Anders Broman wrote:
> Hi,
> I get the following warning when applying the patch:
> packet-jxta.c
> packet-jxta.c(554) : warning C4133: 'initializing' : incompatible types -
> from '
> struct conversation *' to 'struct jxta_stream_conversation_data *'
> 
> Brg
> Anders
> 
> -----Ursprungligt meddelande-----
> Från: ethereal-dev-bounces@xxxxxxxxxxxx
> [mailto:ethereal-dev-bounces@xxxxxxxxxxxx] För Mike Duigou
> Skickat: den 23 mars 2006 00:22
> Till: Ethereal development
> Ämne: [Ethereal-dev] Patch for Bug #817
> 
> I have improved the heuristics and the display tree building code in
> dissect_jxta_udp() and dissect_jxta_stream() to avoid this problem.
> 
> Enclosed is a patch which corrects the problem.
> 
> There remains one point of confusion for me. Heuristic dissectors are 
> supposed to return TRUE or FALSE. Assuming that the underlying 
> dissection routine is a new style dissector returning "int" it is 
> obvious that :
> 	new dissector result > 0 --> heuristic returns TRUE
> 	new dissector result == 0 --> heuristic returns FALSE
> but what about :
> 	new dissector result < 0 --> heuristic returns ?????
> 
> If I suspect that a packet may contain JXTA data but need more data to 
> make a determination what should my heuristic dissector return?
> 
> Mike