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unix2_chkpwd




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  An­
       drew Morgan


SEE ALSO

       pam(8)


AUTHOR

       Emily Ratliff.

  
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