This pluggable authentication module (PAM) which can run scripts upon login looks cool:

as does this:

Unfortunately, I’m having lots of problems with libpam-http. I can’t get ssl to work at all. :-(

Ah wait - I think this is what I’m really looking for:

Direct download link:

DOH!:

PAM [error: /lib/security/pam_script.so: undefined symbol: pam_getenv

UPDATE: Why was I taking notes on these libraries? See here:

My Email Services Configurations