Passing data to custom xlat function

Alan DeKok aland at
Fri Aug 27 22:45:26 CEST 2021

On Aug 27, 2021, at 4:36 PM, g4-lisz at wrote:
> I wonder if there is a way to "transport" data to an xlat function on
> another way than attaching it to a Radius request...

  All data is associated with a request.  Or, it's static in the configuration files.

  There really isn't any other way to do this.

> I'm asking this because we have quite a lot of parameters that we want
> to be expanded in the module config file.
> These parameters depend on the user realm. So when a request comes in,
> our module does a look up in a realm to connection data table. This
> connection data again is used to make a REST authentication.
> In the module config we have something like this:
> uri = "https://%{control:Cust-Gateway}/api/%{control:Cust-App-Id}/etc/..."
> data =
> 'grant_type=password&username=%{urlquote:%{control:Cust-Client-Id}}&password=%{urlquote:%{control:Cust-Client-Secret}}'
> In the authorize function we do the DB call and when the realm is valid
> we add these custom attributes to the request.
> This works, but maybe there's a more elegant way than adding attributes
> to the request only for xla expansion.

  That's really the best way to do it.

  Alan DeKok.

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