[Users] How to test for domain in sip request in openser.cfg.

[Daniel-Constantin Mierla]

Hello,

to test the domain in R-URI you can use:

if(uri=~".*@foo.com")

With development version you can have:

if(avp_check("$rd", "eq/foo.com/i"))

Using pseudo-variables direct from script is in roadmap and will be 
added in the future.

Cheers,
Daniel


On 04/04/06 14:36, Bas Driessen wrote:
> Hello,
>
> I would like to test for the domain name in a sip request to decide if 
> an invite is accepted or not. I have the following lines in my 
> openser.cfg file to cater for DNS SRV forwarding:
>
>         # accept calls from foo.com
>         if ( is_method("INVITE")  )
>         {
>                 rewritehost ("sipproxy.foo2.com");
>                 rewriteport ("");
>         }
>
> This works well, but I would like to tighten security by only allowing 
> invites forwarded by foo.com. When debugging using xlog calls, the 
> pseudo-variable I am after is : $rd.
>
> However $rd can not be used in openser.cfg as follows:
>
> if ( is_method("INVITE") && $rd="foo.com" )
>
> Documentation suggests to use core keywords like:
>
>             if(is_method("INVITE") && from_uri=~".*@foo.com")
>
> This does not work for my situation and I don't know how I can see the 
> value of 'from_uri', as it can't be expanded into xlog calls.
>
> So my kind of overlapping questions are:
>
> How can I use pseudo-variables in openser.cfg to test for a certain value?
> How can I see (debug) the contents of a core keyword?
> Which keyword should I be using to solve this issue?
> Has anyone solved a similar issue in the past and if so can you please 
> give some details?
>
> Thanks,
> Bas.
>
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