[tac_plus] Dynamic authentication plugins via shared libraries?

[heasley]

Tue, Aug 21, 2012 at 09:21:34PM +0100, Steve Kemp:
> >   OK I'll tidy, re-test, and document the code, and submit a patch.
> 
>   Comments on this initial stab are welcome.    Once we agree
>  the documentation is adequate I'll submit the actual code.
> 
> +This loads a shared library which is assumed to export the single function
> +.sp
> +int plugin_authenticate( char *username, char *passwd, char *args );
> +.sp
> +If this function returns 1 the login is considered a success.
> +

except that args needs to be defined, this looks fine.