From owner-FreeBSD-users-jp@jp.freebsd.org  Mon Nov  2 23:49:58 1998
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In-Reply-To: Your message of "Mon, 2 Nov 1998 21:54:47 +0900"
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Date: Mon, 02 Nov 1998 23:49:54 +0900
From: Hiroo ONO <tt76507@hongo.ecc.u-tokyo.ac.jp>
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$B>.Ln42@8$G$9(B

From: "Hirose Takenori" <namaadmin@mail.takezo.co.jp>
Subject: [FreeBSD-users-jp 34703] RE: $BH/9T$7$?%f!<%6!<$K(B root $B$J$I$r8+$;$?$/$J$$(B 
Date: Mon, 2 Nov 1998 21:54:47 +0900

> >># ln -s ../../../../bin/ls

> >$B$3$NItJ,$G$9$,!"(B/ $B$H(B /usr $B$,JL%9%i%$%9$N>l9g(B(?)$B!"(B
> >$B%7%s%\%j%C%/%j%s%/$G$O%@%a$J$h$&$G$9!#(B

$B$=$b$=$b(B($B$3$N>l9g$O(B)$B!"(Bsymbolic link $B$G$O$@$a$G$7$g$&!#(B
chroot $B$7$F$7$^$C$?$i!"(B /bin/ls $B$H8+$($k%U%!%$%k$,(B ../../../../bin/ls 
$B$X$N(B symbolic link $B$K$J$C$F$$$k$o$1$G$9$+$i!#(B

$B<XB-$J$,$i!"(B

# pwd
/home/hiroo
# mkdir foo
# mkdir foo/bin
# ln -s ../../../../bin/ls foo/bin/ls
# cp /bin/sh foo/bin/sh
# chroot /home/hiroo/foo

$B$H$$$&$3$H$r9T$&$H!"(B

# ./ls
./ls: Too many levels of symbolic links.

$B$H$$$&7k2L$K$J$j$^$9!#(B($B$$$^3N$+$a$^$7$?(B)$B!#(B

$B$A$c$s$H(B man page $B$K=q$$$F$"$C$?$h$J$"$H;W$C$?$i!"(BFreeBSD $B$N(B ftpd(8) 
$B$K$O=q$$$F$"$j$^$;$s$G$7$?!#(B
($B=q$$$F$"$C$?$N$O(B HP-UX 9 $B$H(B SunOS 4.1 $B$N(B manpage $B$G$7$?(B)$B!#(B
# file $B$N(B mode $B$r(B 111 $B$K$7$m$H$O=q$$$F$"$j$^$9$,!D!#(B

> >$B!t(B/etc/master.passwd$B$N%Q%9%o!<%I%U%#!<%k%I$O!"8+$;$J$$J}$,$$$$$G$9!#(B

$BG0$N$?$a$G$9$,!"(Bftpd(8) $B$K$O(B ~ftp/etc $B$NItJ,$G(B

    $B%U%!%$%k(B passwd $BCf$N%Q%9%o!<%I$O;HMQ$5$l$^$;$s$N$G!"K\Ev$N%Q%9%o!<(B
    $B%I$rF~$l$F$O$$$1$^$;$s!#(B

$B$H=q$$$F$"$j$^$9$,!"$=$l$O$4B8CN$G$9$h$M(B?

$B$3$NJU$j$N<j=g$O0JA0(B users-jp $B$G8+$?3P$($,$"$k$J$"$H;W$C$?$i!"(B
[FreeBSD-users-jp 31483] $B$GW"@%$5$s8f<+?H$,:#2s$H$O5U8~$-$N<ALd$r$5$l(B
$B$F$$$^$9(B (^_^;
----
hiroo@exp.t.u-tokyo.ac.jp
$BEl5~Bg3XBg3X1!9)3X7O8&5f2JJ*M}9)3X@l96=$;N2]DxFsG/(B
					$B>.Ln(B $B42@8(B
