From owner-freebsd-audit  Sat Dec  9 18:32:14 2000
From owner-freebsd-audit@FreeBSD.ORG  Sat Dec  9 18:32:13 2000
Return-Path: <owner-freebsd-audit@FreeBSD.ORG>
Delivered-To: freebsd-audit@freebsd.org
Received: from peitho.fxp.org (peitho.fxp.org [209.26.95.40])
	by hub.freebsd.org (Postfix) with ESMTP id 3070737B400
	for <freebsd-audit@FreeBSD.ORG>; Sat,  9 Dec 2000 18:32:13 -0800 (PST)
Received: by peitho.fxp.org (Postfix, from userid 1000)
	id 036D213612; Sat,  9 Dec 2000 21:32:17 -0500 (EST)
Date: Sat, 9 Dec 2000 21:32:17 -0500
From: Chris Faulhaber <jedgar@fxp.org>
To: Will Andrews <will@physics.purdue.edu>
Cc: freebsd-audit@FreeBSD.ORG
Subject: Re: mktemp(1) usage
Message-ID: <20001209213217.A10185@peitho.fxp.org>
Mail-Followup-To: Chris Faulhaber <jedgar@fxp.org>,
	Will Andrews <will@physics.purdue.edu>, freebsd-audit@FreeBSD.ORG
References: <20001209150853.A57045@peitho.fxp.org> <20001209171334.J671@puck.firepipe.net>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
User-Agent: Mutt/1.2.5i
In-Reply-To: <20001209171334.J671@puck.firepipe.net>; from will@physics.purdue.edu on Sat, Dec 09, 2000 at 05:13:34PM -0500
Sender: owner-freebsd-audit@FreeBSD.ORG
Precedence: bulk
X-Loop: FreeBSD.ORG

On Sat, Dec 09, 2000 at 05:13:34PM -0500, Will Andrews wrote:
> On Sat, Dec 09, 2000 at 03:08:54PM -0500, Chris Faulhaber wrote:
> > Would it be more appropriate for scripts such as periodic(8) to
> > call mktemp(1) using the -t flag.  In addition to using TMPDIR,
> > this allows the use of the system's _PATH_TMP instead of
> > hardcoding /tmp.
> 
> Maybe that method doesn't use a random enough number to avoid file
> races?
> 

If you are talking about mktemp(1), it uses:

	tmpdir = getenv("TMPDIR");
	if (tmpdir == NULL)
		asprintf(&name, "%s%s.XXXXXXXX", _PATH_TMP, prefix);
	else
		asprintf(&name, "%s/%s.XXXXXXXX", tmpdir, prefix);

which should be adequate.  Perhaps we should add a few more X's? :)

-- 
Chris D. Faulhaber - jedgar@fxp.org - jedgar@FreeBSD.org
--------------------------------------------------------
FreeBSD: The Power To Serve   -   http://www.FreeBSD.org


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-audit" in the body of the message