Wireshark-dev: Re: [Wireshark-dev] Help with dissecting data spanning multiple packets without
From: wsgd <[email protected]>
Date: Fri, 23 Oct 2009 17:38:13 +0200
Look at http://anonsvn.wireshark.org/wireshark/trunk/doc/README.developer
2.7.2 Modifying the pinfo struct.


Olivier


Jarolin, Robert a écrit :
I am working on a dissector for dissecting character string oriented 
TCP messages.  The messages are of variable length with no header 
specifying the length.  The message is considered finished when a '\n' 
character is found.  These messages may span multiple packets as well 
as have multiple messages in 1 packet.
I have only written dissectors that have header info that can be used 
to return a length value for tcp_dissect_pdus to handle the 
fragmentation.  Since I cannot determine the length until I find a 
'\n' character, how can I dissect these message types?
Is there a way to parse a packet, get to the end of the packet, then 
realize you need to continue the current dissection with the next 
packet?  If so, how?
Thanks for any help!


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