From owner-freebsd-fs@FreeBSD.ORG  Wed Apr  2 12:38:36 2003
Return-Path: <owner-freebsd-fs@FreeBSD.ORG>
Delivered-To: freebsd-fs@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP
	id 58F1B37B401; Wed,  2 Apr 2003 12:38:36 -0800 (PST)
Received: from sasami.jurai.net (sasami.jurai.net [66.92.160.223])
	by mx1.FreeBSD.org (Postfix) with ESMTP
	id 5833643F85; Wed,  2 Apr 2003 12:38:35 -0800 (PST)
	(envelope-from mdodd@FreeBSD.ORG)
Received: from sasami.jurai.net (sasami.jurai.net [66.92.160.223])
	by sasami.jurai.net (8.12.9/8.12.9) with ESMTP id h32KcYEF001320;
	Wed, 2 Apr 2003 15:38:34 -0500 (EST)
	(envelope-from mdodd@FreeBSD.ORG)
Date: Wed, 2 Apr 2003 15:38:34 -0500 (EST)
From: "Matthew N. Dodd" <mdodd@FreeBSD.ORG>
X-X-Sender: winter@sasami.jurai.net
To: Robert Watson <rwatson@FreeBSD.ORG>
In-Reply-To: <Pine.NEB.3.96L.1030402153015.37865A-100000@fledge.watson.org>
Message-ID: <20030402153711.U46852@sasami.jurai.net>
References: <Pine.NEB.3.96L.1030402153015.37865A-100000@fledge.watson.org>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
cc: freebsd-fs@FreeBSD.ORG
Subject: Re: setfstab()/getfstab()
X-BeenThere: freebsd-fs@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: Filesystems <freebsd-fs.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-fs>,
	<mailto:freebsd-fs-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-fs>
List-Post: <mailto:freebsd-fs@freebsd.org>
List-Help: <mailto:freebsd-fs-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-fs>,
	<mailto:freebsd-fs-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 02 Apr 2003 20:38:36 -0000

On Wed, 2 Apr 2003, Robert Watson wrote:
> Hmm.  Maybe an issetugid() check before using the environmental variable?

Something like this? (whitespace damaged)

%%%
@@ -226,7 +254,13 @@
                LineNo = 0;
                return(1);
        }
-       if ((_fs_fp = fopen(_PATH_FSTAB, "r")) != NULL) {
+       if (fsp_set == 0) {
+               if (issetugid())
+                       setfstab(NULL);
+               else
+                       setfstab(getenv("PATH_FSTAB"));
+       }
+       if ((_fs_fp = fopen(path_fstab, "r")) != NULL) {
                LineNo = 0;
                return(1);
        }
%%%


-- 
| Matthew N. Dodd  | '78 Datsun 280Z | '75 Volvo 164E | FreeBSD/NetBSD  |
| winter@jurai.net |       2 x '84 Volvo 245DL        | ix86,sparc,pmax |
| http://www.jurai.net/~winter |  For Great Justice!  | ISO8802.5 4ever |