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+.\" $NetBSD: secure_path.3,v 1.10 2010/05/04 06:41:27 jruoho Exp $
+.\"
+.\" Copyright (c) 1996,1997 Berkeley Software Design, Inc. All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\" notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\" 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 Berkeley Software Design,
+.\" Inc.
+.\" 4. The name of Berkeley Software Design, Inc. may not be used to endorse
+.\" or promote products derived from this software without specific prior
+.\" written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY BERKELEY SOFTWARE DESIGN, INC. ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED. IN NO EVENT SHALL BERKELEY SOFTWARE DESIGN, INC. BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\" from BSDI: login_cap.3,v 1.4 1997/11/07 16:22:27 jch Exp
+.\"
+.Dd May 4, 2010
+.Dt SECURE_PATH 3
+.Os
+.Sh NAME
+.Nm secure_path
+.Nd determine if a file appears to be ``secure''
+.Sh LIBRARY
+.Lb libutil
+.Sh SYNOPSIS
+.In util.h
+.Ft int
+.Fn secure_path "const char *path"
+.Sh DESCRIPTION
+The
+.Fn secure_path
+function takes a path name and returns zero if the referenced file is
+.Dq secure ,
+non-zero if not.
+Any
+.Dq insecurity ,
+other than failure to access
+the referenced file, will be logged to the system log.
+.Pp
+To be
+.Dq secure ,
+the referenced file must exist, be a regular file (and not a
+directory), owned by the super-user, and writable only by the super-user.
+.Sh SEE ALSO
+.Xr openlog 3
+.Sh HISTORY
+The
+.Fn secure_path
+function is based on the
+.Bsx
+implementation of same, and appeared in
+.Nx 1.5
+by kind permission.