Date: Fri, 04 Mar 2005 11:41:33 -0800 From: Julian Elischer <julian@elischer.org> To: Aziz KEZZOU <opensource.enthousiat@gmail.com> Cc: hackers@freebsd.org Subject: Re: generic network protocols parser ? Message-ID: <4228B9ED.9040906@elischer.org> In-Reply-To: <37e13166050304080715525d7e@mail.gmail.com> References: <37e13166050304080715525d7e@mail.gmail.com>
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Aziz KEZZOU wrote: >Hi all, >I am wondering if any one knows about a generic parser which takes a >packet (mbuf) of a certain protocol (e.g RSVP ) as input and generates >some data structre representing the packet ? > > you might look at DPF (a packet filter/classifier).. it has an interesting filter description language. >I've been searching for a while and found that ethereal and tcpdump >for example use specific data structres and functions to dissect each >protocol packets. Is this the only approach possible ? > >My supervisor suggested using a TLV (Type/Length/Value) approach >instead. Any opinions about that? > >If no such a parser exists is there any practical reason why ? > >Thanks, >Aziz >_______________________________________________ >freebsd-net@freebsd.org mailing list >http://lists.freebsd.org/mailman/listinfo/freebsd-net >To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" > >
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