FreeBSD Man Pages

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
			 expired.

     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.
     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.

FreeBSD 5.4		       February 10, 2004		   FreeBSD 5.4

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