UNIX2_CHKPWD(8)

NAME
unix2_chkpwd - helper binary that verifies the password of the current user

SYNOPSIS
/sbin/unix2_chkpwd servicename username

DESCRIPTION

unix2_chkpwd is a helper program for the pam_unix2 module that verifies the password of the current user. It is not intended to be run directly from the command line and logs a security violation if done so. It is typically installed setuid root or setgid shadow.

OPTIONS

unix2_pwdchk requires the following arguments:

pam_service
    The name of the service using unix2_chkpwd. This is required to be one of the services in /etc/pam.d

username
    The name of the user whose password you want to verify.

INPUTS

unix2_pwdchk expects the password via stdin.

RETURN CODES

unix2_chkpwd has the following return codes:

1   unix2_chkpwd was inappropriately called from the command line or the password is incorrect.

0   The password is correct.

HISTORY
Written by Olaf Kirch loosely based on unix_chkpwd by Andrew Morgan

SEE ALSO

pam(8)

AUTHOR
Emily Ratliff.