Andreas Berger wrote:
This isn't really a FPC question, but since the application is being
written in FPC I thought I would ask here.
I am developing an application that controls machinery. The
application will store everything that happens in a SQL database. Some
clients (restricted) should have permission to access the database to
generate their own reports via some 3rd party report generation
software of their choice. However I want to restrict who has access
without placing a user password on the SQL server since some clients
purchase multiple instances of the SW but not all options.
1) Is it possible to place my app between the 3rd party app and the
SQL server? How would I do this.
2) Is it possible to configure the SQL server to query my app to see
if a user can log on?
3) Any other ideas?
Regards,
Andreas
Well I imagine that will be hard to do, if you do it in FPC (since you
may have to start from scratch).
I don't think there is a component emulating the mysql server interface.
Rewriting the server (just the protocol part) is a lot of work.
You may want to look at the mysql site, they have a mysql-proxy, which
can be controlled by LUA script. So that my do the trick for you. You
could probably replace the client credentials inside the proxy. Make
sure you forward using a restricted account. Otherwise you must ensure
that nothing in the sql could ever violate the permissions.
Best Regards
Martin
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