[SR-Users] path uri problem

[José Luis Millán]

Hi,



2013/4/10 Juha Heinanen <jh at tutpro.com>

> Juha Heinanen writes:
>
> > i tested and even when url path field contains escaped chars.  however,
> > i started to get these to syslog every 20 seconds
> >
> > Apr 10 12:17:08 wheezy1 /usr/sbin/sip-proxy[3900]: ERROR: nathelper
> [nathelper.c:2018]: can't parse contact uri
> >
> >
> > most likely due to nat pinging.  i haven't checked yet where they come
> > from.  contact field of the ua does not have any escaped chars in it.
>
> i added the uri to the error message and got:
>
> nathelper [nathelper.c:2019]: can't parse contact uri
> 'sip:192.98.102.11:35453%3Btransport%3Dtcp'
>
>
That is a wrong formed URI but a right formed URI parameter. The right URI
format for the above is:

sip:192.98.102.11:35453;transport=tcp

While the right format for the same info when it is used as an URI
parameter is:

sip:192.98.102.11:35453%3Btransport%3Dtcp



> single quotes are from my LM_ERR below, i.e., they are not in the uri
> itself.  the uri in question is received uri and the call in nathelper.c
> is this:
>
>                         if (parse_uri(c.s, c.len, &curi) < 0) {
>                             LM_ERR("can't parse contact uri '%.*s'\n",
>                                    c.len, c.s);
>
> so there clearly is a bug in parse_uri function.  it cannot handle
> escaped chars.
>
> when i have time, i'll add tracker issue about it.
>
> -- juha
>
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-- 
José Luis Millán
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