Using checkrad.pl with pppd on Linux

[Charles Price]

Hi,

I would like checkrad.pl to be able to query my access
concentrator, which is running

pppoe-server (from rp-pppoe-3.5)
pppd-2.4.2

Later versions of pppd maintain a database of active PPP tunnels in
/var/run/pppd.tdb - which could be read and presented to checkrad.pl
over the network.

Has anything along these lines been done before? Is this the right way
to address the problem?

Regards,

Charlie