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PAM_CHAUTHTOK(3)	 BSD Library Functions Manual	      PAM_CHAUTHTOK(3)

NAME
     pam_chauthtok -- perform password related functions within	the PAM	frame-
     work

LIBRARY
     Pluggable Authentication Module Library (libpam, -lpam)

SYNOPSIS
     #include <sys/types.h>
     #include <security/pam_appl.h>

     int
     pam_chauthtok(pam_handle_t	*pamh, int flags);

DESCRIPTION
     The pam_chauthtok function	attempts to change the authentication token
     for the user associated with the pam context specified by the pamh	argu-
     ment.

     The flags argument	is the binary or of zero or more of the	following val-
     ues:

     PAM_SILENT		 Do not	emit any messages.

     PAM_CHANGE_EXPIRED_AUTHTOK
			 Change	only those authentication tokens that have ex-
			 pired.

     If	any other bits are set,	pam_chauthtok will return PAM_SYMBOL_ERR.

RETURN VALUES
     The pam_chauthtok function	returns	one of the following values:

     [PAM_ABORT]	 General failure.

     [PAM_AUTHTOK_DISABLE_AGING]
			 Authentication	token aging disabled.

     [PAM_AUTHTOK_ERR]	 Authentication	token failure.

     [PAM_AUTHTOK_LOCK_BUSY]
			 Authentication	token lock busy.

     [PAM_AUTHTOK_RECOVERY_ERR]
			 Failed	to recover old authentication token.

     [PAM_BUF_ERR]	 Memory	buffer error.

     [PAM_CONV_ERR]	 Conversation failure.

     [PAM_PERM_DENIED]	 Permission denied.

     [PAM_SERVICE_ERR]	 Error in service module.

     [PAM_SYMBOL_ERR]	 Invalid symbol.

     [PAM_SYSTEM_ERR]	 System	error.

     [PAM_TRY_AGAIN]	 Try again.

SEE ALSO
     pam(3), pam_strerror(3)

STANDARDS
     X/Open Single Sign-On Service (XSSO) - Pluggable Authentication Modules,
     June 1997.

AUTHORS
     The pam_chauthtok function	and this manual	page were developed for	the
     FreeBSD Project by	ThinkSec AS and	Network	Associates Laboratories, the
     Security Research Division	of Network Associates, Inc. under DARPA/SPAWAR
     contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA CHATS research
     program.

BSD			       December	21, 2007			   BSD
NAME | LIBRARY | SYNOPSIS | DESCRIPTION | RETURN VALUES | SEE ALSO | STANDARDS | AUTHORS

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