NAME

pam_sm_chauthtok — service module implementation for pam_chauthtok

SYNOPSIS

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

int
pam_sm_chauthtok(pam_handle_t *pamh, int flags, int argc, const char **argv);

DESCRIPTION

The pam_sm_chauthtok() function is the service module's implementation of the pam_chauthtok(3) API function.

When the application calls pam_chauthtok(3), the service function is called twice, first with the PAM_PRELIM_CHECK flag set and then again with the PAM_UPDATE_AUTHTOK flag set.

RETURN VALUES

The pam_sm_chauthtok() function returns one of the following values:

[PAM_SUCCESS]: Success.
[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_IGNORE]: Ignore this module.
[PAM_PERM_DENIED]: Permission denied.
[PAM_SERVICE_ERR]: Error in service module.
[PAM_SYSTEM_ERR]: System error.
[PAM_TRY_AGAIN]: Try again.

STANDARDS

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

AUTHORS

The pam_sm_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.

The OpenPAM library is maintained by Dag-Erling Smørgrav <des@des.no>.