[sr-dev] [SR-Dev] To parser bug

[Iñaki Baz Castillo]

El Viernes, 29 de Mayo de 2009, Nils Ohlmeier escribió:
> Hi,
>
> > 2009/5/28 Nils Ohlmeier <nils at iptel.org>:
> >>> during testing SER at SIPit 24 I discovered something what I believe is
> >>> a major bug in the To and From header parser of SER.
> >>>
> >>> When you send a request with a To or From header like this:
> >>>   To: <sip:nils at invalid.com>;foo
> >>> the To header parameter parser fails, and the whole To header is not
> >>> parsed.
> >
> > Hi Nils, I'm trying it in Kamailio 1.5 (sending a request with "To:
> > <sip:nils at invalid.com>;foo") and no error occurs.
> > Does it just affect to SR?
>
> I would think that Kamailio is affected as well, because To header
> parameter parser code is in the SER CVS since 2002 and was basically not
> touched since then. So if not somebody in the Kamilio project fixed this
> it should be the same.
> During my tests I found out that it is important that you are using a
> configuration which actually tries to parse the To header at all. For
> example if you send an OPTIONS request to the iptel.org server (not a
> user), the To header can be as ugly as you want (you will always get a 200
> OK), because the configuration does not care the To header at all. But if
> you send a REGISTER with such a To header you will not get any response at
> all.

Nils, I'm sending REGISTER with "To: <sip:anonimous at domain.org>;qwe" and 
Kamailio gives no error (and stores the user location right.


-- 
Iñaki Baz Castillo <ibc at aliax.net>