Running external programs

[rihad]

On 07/07/2011 12:28 PM, Alexander Clouter wrote:
> rihad<rihad at mail.ru>  wrote:
>> Hi, all. We have some legacy software that ran under XTradius
>> (xtradius.sourceforge.net). The important thing was to execute an
>> external program for every auth&  accounting request. Now I need to
>> recreate all that on another server, and I must use the same legacy
>> billing software. Unfortunately one can no longer build the old XTradius
>> on modern FreeBSDs, apparently it has some variable linkage problems.
>> Can that simple task be done in FreeRADIUS instead? Can it be configured
>> to call an external program (Auth-Type "External" in XTradius)?
>>
> http://lmgtfy.com/?q=freeradius+exec
>
> Cheers
>
I forgot to mention that the authentication program is meant to deny or 
grant user access. Will rlm_exec do that?