On Fri, 9 Sep 2005, Paul Kölle wrote:

> It's pretty straightforward. libnss-mysql configuration file takes a SQL
> query for each get*() call, so there are no constraints for the db
> schema. Examples are in /usr/share/doc after installing the package.
> What I haven't figured out yet: Calls to NSS are made in the context of
> the user running e.g. "id", so if you use a socket connection to mysql
> you need to allow *every* user to read from the socket. I haven't
> investigated the implications in terms of security yet.

If you look at the MySQL privileges for the libnss-mysql user (as set in
/etc/libnss-mysql.cfg) you will see that only SELECT priv is granted for
that user. (Granted, that might be a problem too ;-)


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