[Freeswitch-dev] Bug in SIP URI: ; received="XX.XX.XX.XX:XXXX" is not valid (SIP BNF)

[Anthony Minessale]

We have to finish FS first, then we'll work on the SNAP protocol.


On Fri, Nov 21, 2008 at 3:25 PM, Kristian Kielhofner <
kkielhofner at star2star.com> wrote:

> On 11/21/08, Michael Giagnocavo <mgg at giagnocavo.net> wrote:
> > -----Original Message-----
> >  From: freeswitch-dev-bounces at lists.freeswitch.org [mailto:
> freeswitch-dev-bounces at lists.freeswitch.org] On Behalf Of Kristian
> Kielhofner
> >  >
> >  >
> >  >Basic tenet for any RFC:
> >  >
> >  >"Be strict in what you send and liberal in what you accept."
> >  >
> >
> >
> > This "robustness principle" doesn't work too well for such applications.
> (See: Browser HTML/CSS compat hacks, but at least there you had the
> justification of having human authors for content.)
> >
> >  Too bad this nonsense is perpetuated. Check the "SIP Torture Tests" (RFC
> 4475) for admittance on how screwed up the parsing is, and how they think
> implementations should just try to "infer" the intention. So not only do you
> have to deal with pointless parsing of _valid_ messages, but it'd be "good"
> to go write a heuristical parser that guesses, too.
> >
> >  Yea, many different implementations, all "inferring" intention should
> just work dandy.
> >
> >
> >  -Michael
> >
>
> This thread /was/ about a questionable/superfluous double quote in a
> URI parameter.  Postel's Law fits this situation quite well.
>
> I might be willing to spend my time ranting about the IETF and any
> questionable RFCs if there were a reasonable alternative.
>
> Suggestions?
>
> --
> Kristian Kielhofner
> http://blog.krisk.org
> http://www.submityoursip.com
> http://www.astlinux.org
> http://www.star2star.com
>
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>



-- 
Anthony Minessale II

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