how to put a program into a .plan file

[Dan Bernstein]

In article <2867 at litchi.bbn.com> rsalz at bbn.com (Rich Salz) writes:
> **  Right now, this just keeps a count and runs fortune.  A neat hack
> **  would be to replace /usr/etc/in.fingerd with code that does a
> **  getpeername()/gethostbyaddr(), and goes back to the requesting
> **  host to do a finger there.

Neat hack? It's absolutely trivial. You just run fingerd under
attachport (-r) instead of inetd, and its environment will show a REMOTE
variable with the remote host (and authenticated username if the remote
host supports RFC 931).

---Dan