Restricting commands over ssh using authprogs

When working on backup systems I hacked together a script that would allow a set of commands, sometimes with substitutions, through a single ssh key. I figured someone else must have this needs and have designed a more robust program. So far the closet thing I have found it authprogs. It has some features my script lacks but lacks some features that my script possesses. So I’m not sure it I’ll use it or just borrow ideas to improve my script.

• The Authprogs SSH Command Authenticator