The big problem is that /bin/passwd uses your TTY instead of STDIN/STDOUT to interact with the user. The other response(s) mentioned Expect, which is a good general purpose solution to the problem.

Here's another idea:

I'm not sure if OpenBSD supports PAM yet (FreeBSD does..). If it does, you can use Authen::PAM to change passwords. A while back, I'd submitted a a node showing how to use Authen::PAM to change a password.

In reply to Re: Exec Fork Trick by kschwab
in thread Exec Fork Trick by ginseng

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