pam_unix internals: unix_chkpwd

Have you ever bothered reading .

More specifically, my favorite part of pam_unix is the to work without being setuid-root (of course, a program running as unprivileged user cannot read /etc/shadow !).

After reading about unix_chkpwd, I was eager to give it a try...

...and so, I wrote a tiny bash script that leverages unix_chkpwd to perform brute force attacks on current user password: