.\"	$NetBSD: pw_getconf.3,v 1.7 2003/04/16 13:35:15 wiz Exp $
.\"
.\" Copyright 1997 Niels Provos <provos@physnet.uni-hamburg.de>
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
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.\"    notice, this list of conditions and the following disclaimer in the
.\"    documentation and/or other materials provided with the distribution.
.\" 3. All advertising materials mentioning features or use of this software
.\"    must display the following acknowledgement:
.\"      This product includes software developed by Niels Provos.
.\" 4. The name of the author may not be used to endorse or promote products
.\"    derived from this software without specific prior written permission.
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.\"
.\" from OpenBSD: pw_getconf.3,v 1.5 1999/09/21 04:52:46 csapuntz Exp
.\"
.Dd July 6, 2000
.Dt PW_GETCONF 3
.Os
.Sh NAME
.Nm pw_getconf
.Nd password encryption configuration access function
.Sh LIBRARY
.Lb libutil
.Sh SYNOPSIS
.In util.h
.Ft void
.Fn pw_getconf "char *data" "size_t len" "const char *key" "const char *option"
.Sh DESCRIPTION
The
.Fn pw_getconf
function reads
.Pa /etc/passwd.conf
and retrieves the value of the option specified
by
.Pa option
from the section given by
.Pa key .
If no suitable entry is found
for the
.Pa key
an empty string will be returned in data.
.Pp
To retrieve default values the key
.Pa default
can be used.
In this case, if
.Pa /etc/passwd.conf
does not exist or does not contain a
.Pa default
section, the built-in defaults will be returned.
They are as follows:
.Bl -column localcipher data -offset indent
.It Sy option	data
.It ypcipher	old
.It localcipher	old
.El
.Pp
An empty string is returned for all errors.
.Sh FILES
.Bl -tag -width /etc/passwd.conf -compact
.It Pa /etc/passwd.conf
.El
.Sh SEE ALSO
.Xr passwd 5 ,
.Xr passwd.conf 5
.Sh HISTORY
The
.Fn pw_getconf
function first appeared in
.Nx 1.6 .