ben beneke wrote:
> rlm_expr doesn't seem to have extensive documentation, nor was I able
> to find an example similar to what I want to achieve.
It does math. That's it.
> However, if I understand everything correctly, my solution would be
> something like the following:
>
> rlm_expr is needed to calculate the difference between the substraction of
> "SELECT SUM(AcctOutputOctets+AcctInputOctets) FROM radacct where
> UserName='%{${key}}'" (which equals to 25687864955)
> and the Max-Octets value in radcheck (equaling 29687864955)
>
> IF $valueradacct < $valueradcheck: Acess Accept ELSE Access Reject
>
> Does this reasoning make any sense?
Yes.
Except that Max-Octets (as an attribute) is bounded by 4G, too. You'd
be better off having rlm_expr query SQL directly, via %{sql:...}
Alan DeKok.
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