From owner-FreeBSD-users-jp@jp.freebsd.org  Wed Dec 29 19:20:19 1999
Received: (from daemon@localhost)
	by castle.jp.freebsd.org (8.9.3+3.2W/8.7.3) id TAA17862;
	Wed, 29 Dec 1999 19:20:19 +0900 (JST)
	(envelope-from owner-FreeBSD-users-jp@jp.FreeBSD.org)
Received: from zeus.keim.cs.gunma-u.ac.jp (zeus.keim.cs.gunma-u.ac.jp [133.8.13.11])
	by castle.jp.freebsd.org (8.9.3+3.2W/8.7.3) with ESMTP id TAA17857
	for <FreeBSD-users-jp@jp.freebsd.org>; Wed, 29 Dec 1999 19:20:18 +0900 (JST)
	(envelope-from j5306050@cs.gunma-u.ac.jp)
Received: from localhost (nike.keim.cs.gunma-u.ac.jp [133.8.13.71])
	by zeus.keim.cs.gunma-u.ac.jp (8.9.3/3.7W) with ESMTP id TAA05898
	for <FreeBSD-users-jp@jp.freebsd.org>; Wed, 29 Dec 1999 19:18:38 +0900 (JST)
To: FreeBSD-users-jp@jp.freebsd.org
In-Reply-To: Your message of "Wed, 29 Dec 1999 17:41:15 +0900"
	<199912290841.RAA06114@edge.sky.yamashina.kyoto.jp>
References: <199912290841.RAA06114@edge.sky.yamashina.kyoto.jp>
X-Mailer: Mew version 1.93 on Emacs 19.28 / Mule 2.3 (SUETSUMUHANA)
Mime-Version: 1.0
Content-Type: Text/Plain; charset=iso-2022-jp
Content-Transfer-Encoding: 7bit
Message-Id: <19991229191837X.j5306050@cs.gunma-u.ac.jp>
Date: Wed, 29 Dec 1999 19:18:37 +0900
From: Matsumura Naoki <j5306050@cs.gunma-u.ac.jp>
X-Dispatcher: imput version 980905(IM100)
Lines: 19
Reply-To: FreeBSD-users-jp@jp.freebsd.org
Precedence: list
X-Distribute: distribute version 2.1 (Alpha) patchlevel 24e+990727
X-Sequence: FreeBSD-users-jp 48688
Subject: [FreeBSD-users-jp 48688] suid & system(3)
Errors-To: owner-FreeBSD-users-jp@jp.freebsd.org
Sender: owner-FreeBSD-users-jp@jp.freebsd.org
X-Originator: j5306050@cs.gunma-u.ac.jp

$B$^$D$`$i$G$9!#(B

From: Takahiro Kambe <taca@sky.yamashina.kyoto.jp>
Subject: [FreeBSD-users-jp 48685] Re: mount cdrom

> $B:n$k$J$i!"(Bsystem(3)$B$O;_$a$F(Bexec(3)$B7O$G%7%'%k$,Mm$^$J$$MM$K$7$^$7$g$&!#(B

$B$3$l$O$J$<$G$7$g$&$+!#(B

$B!V(BUNIX C $B%W%m%0%i%_%s%0!W$K$O!"$3$l$H$O5U$N>u67$G(B
   system(3) $B$G(B ($BFC$K(B root $B$X$N(B) suid $B%W%m%0%i%`$r<B9T$7$F$O$$$1$J$$(B
$B$H=q$$$F$"$C$?$h$&$J5-21$,$"$k$N$G$9$,!";w$?$h$&$JLdBj$,(B
$B5/$3$k$N$G$7$g$&$+(B?

$B$G$-$^$9$l$P!"(B
  1. $BHs(B suid $B%W%m%0%i%`Fb$G!"(Bsystem(3) $B$rMQ$$$F(B suid $B%W%m%0%i%`$r<B9T(B
  2. suid $B%W%m%0%i%`Fb$G!"(Bsystem(3) $B$rMQ$$$F(B $BHs(B suid $B%W%m%0%i%`$r<B9T(B
$B$G!"$I$A$i$,(B OK $B$J$N$+(B ($B$"$k$$$O$I$A$i$b%@%a$J$N$+(B)$B!"$J$<(B system(3) $B$r(B
$B;H$C$F$O$$$1$J$$$N$+$r2r@b$7$F$$$?$@$1$^$;$s$G$7$g$&$+!#(B
