.\"-
.\" Copyright (c) 2002 Networks Associates Technology, Inc.
.\" All rights reserved.
.\"
.\" This software was 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.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
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.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
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.\" $P4$
.\"
.Dd June 30, 2002
.Dt PAM_GET_DATA 3
.Os
.Sh NAME
.Nm pam_get_data
.Nd get module information
.Sh LIBRARY
.Lb libpam
.Sh SYNOPSIS
.In security/pam_appl.h
.Ft int
.Fn pam_get_data "pam_handle_t *pamh" "const char *module_data_name" "const void **data"
.Sh DESCRIPTION
The
.Nm
function looks up the opaque object associated with
the string specified by the
.Va module_data_name
argument, in the PAM
context specified by the
.Va pamh
argument.
A pointer to the object is stored in the location pointed to by the
.Va data
argument.
.Pp
This function and its counterpart
.Xr pam_set_data 3
are useful for managing
data that are meaningful only to a particular service module.
.Sh RETURN VALUES
The
.Nm
function returns one of the following values:
.Bl -tag -width 18n
.It Bq Er PAM_NO_MODULE_DATA
Module data not found.
.It Bq Er PAM_SYSTEM_ERR
System error.
.El
.Sh SEE ALSO
.Xr pam 3 ,
.Xr pam_set_data 3 ,
.Xr pam_strerror 3
.Sh STANDARDS
.Rs
.%T "X/Open Single Sign-On Service (XSSO) - Pluggable Authentication Modules"
.%D "June 1997"
.Re
.Sh AUTHORS
The
.Nm
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
.Pq Dq CBOSS ,
as part of the DARPA CHATS research program.