Wireshark-dev: Re: [Wireshark-dev] Help with dissecting data spanning multiple packets without
Thanks! This is what I am looking for. Not sure how I missed that in the doc.
-----Original Message-----
From: wireshark-dev-bounces@xxxxxxxxxxxxx [mailto:wireshark-dev-bounces@xxxxxxxxxxxxx] On Behalf Of wsgd
Sent: Friday, October 23, 2009 11:38 AM
To: Developer support list for Wireshark
Subject: Re: [Wireshark-dev] Help with dissecting data spanning multiple packets without knowing the length up front
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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