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Date: Tue, 27 Oct 1998 18:05:29 +0900 (JST)
From: Noriyuki Soda <soda@sra.co.jp>
Message-Id: <199810270905.SAA03722@srapc342.sra.co.jp>
To: FreeBSD-users-jp@jp.freebsd.org
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Subject: [FreeBSD-users-jp 34534] Re: =?ISO-2022-JP?B?GyRCJWolYhsoQg==?=
 =?ISO-2022-JP?B?GyRCITwlSCVQJUMlLyUiJUMlVxsoQg==?= 
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Sender: owner-FreeBSD-users-jp@jp.freebsd.org

> $B!!$"$k%[%9%H$N%G%#%9%/$r!"B>$N%[%9%H$N%F!<%WAuCV$r;H$C$F(B
> $B%P%C%/%"%C%W$9$k$?$a$K!"(BQandA $B4IM}HV9f(B:632 $B$NMM$J$3$H$r(B
> $B$7$F$$$k$N$G$9$,!"%F!<%WAuCV$,$"$k%^%7%s$N%;%-%e%j%F%#$,(B
> $B<e$/$J$k$N$,5$$K$J$j$^$9!#(B
> $B!!FC$K(B/bin/sh$B$r3+J|$7$J$$$H$$$1$J$$$H$3$m$H!"(Boperater$B8"8B$r(B
> $B$=$N$^$^A4$FM?$($F$7$^$&$H$3$m$,!"L\E*$KBP$7$F8"8B$NM?$($9$.(B
> $B$NMM$J5$$,$7$^$9!#(B
> $B!!2?$+NI$$J}K!$O$J$$$G$7$g$&$+!#(B

$B%P%C%/%"%C%WMQ$N%f!<%6!<$N(B login shell $B$r!"(Bchroot(2) $B$7$?>e$GK\J*$N(B 
shell $B$r(B exec $B$9$k%W%m%0%i%`$K$7$F$*$/$H$$$&J}K!$,$"$k$H;W$$$^$9!#(B
$BEvA3!"(Bchroot(2) $B$7$?4D6-$K$O!"(Bdev $B$N2<$N0lIt(B, etc/rmt, bin/sh $B$J$I!"(B
$BI,MW:G>.8B$NJ*$7$+CV$-$^$;$s!#(Bdev $B$N2<$O!"(B/dev $B$H$OJL$K:n$k$o$1$G$9$+(B
$B$i!"%F!<%W!&%G%P%$%9$N%"%/%;%98"$K$D$$$F$b!"FH<+$K@_Dj$G$-$^$9!#(B
$B<B:]!"2q<R$G$O!"$=$&$7$F$$$^$9!#(B

login shell $B%W%m%0%i%`$O!"(Bchroot(2) $B$9$k$?$a$K(B setuid root $B$7!"(B
chroot(2) $B8e$K85$N%f!<%6!<$N(B euid $B$KLa$9I,MW$,$"$j$^$9!#(B
--
soda
