pam_chauthtok man page on HP-UX

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pam_chauthtok(3)					      pam_chauthtok(3)

NAME
       pam_chauthtok  -	 perform  password  related  functions	within the PAM
       framework

SYNOPSIS
       [ flag ... ] file ...  [ library ... ]

DESCRIPTION
       is called to change the authentication token associated with a particuā€
       lar user referenced by the authentication handle, pamh.

       The following flag may be passed in to

       The password service should not generate any messages.

       The password service should only update those passwords that have aged.
	      If  this flag is not passed, all password services should update
	      their passwords.

       Upon successful completion of the call, the authentication token of the
       user will be changed in accordance with the password service configured
       in the system through pam.conf(4).

   Notes
       The flag is typically used by a application which has  determined  that
       the  user's  password has aged or expired.  Before allowing the user to
       login, the application may invoke with this flag to allow the  user  to
       update  the  password.  Typically applications such as passwd(1) should
       not use this flag.

       performs a preliminary check before  attempting	to  update  passwords.
       This check is performed for each password module in the stack as listed
       in pam.conf(4).	The check may include pinging remote name services  to
       determine  if they are available. If returns then the check has failed,
       and passwords are not updated.

APPLICATION USAGE
       Refer to pam(3) for information on thread-safety of PAM interfaces.

RETURN VALUE
       Upon successful completion, is returned.	  In  addition	to  the	 error
       return  values  described  in  pam(3),  the  following  values  may  be
       returned:

       No permission.

       Authentication token manipulation error.

       Authentication information cannot be recovered.

       Authentication token lock busy.

       Authentication token aging disabled.

       User unknown to password service.

       Preliminary check by password service failed.

SEE ALSO
       pam(3), pam_start(3), pam_authenticate(3).

							      pam_chauthtok(3)
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