Thanks for that Daniel,

Just implemented and tested OK. Just out of interest, how can I check the contents of core keywords? Is there a way I can see the value in a log file using xlog for instance?

I failed to mention that I am using version 1.0.1 on Debian Sarge.

Thanks, Bas.

On Tue, 2006-04-04 at 16:41 +0300, Daniel-Constantin Mierla wrote:

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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