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From: SHIOZAKI Takuya (=?iso-2022-jp?B?GyRCMXY6akJzTGkbKEI=?=) <AoiMoe@isoternet.org>
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Subject: [FreeBSD-users-jp 34129] Re: setuid()
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$B1v:j!s%$%=%?!<$G$9!#(B


From: Atsushi Furuta <furuta@sra.co.jp>
Subject: [FreeBSD-users-jp 34073] Re: setuid() $B%7%9%F%`%3!<%k$H(B root	$B8"8B(B 
Date: Fri, 16 Oct 1998 16:21:59 +0900
Message-ID: <199810160722.QAA00716@sras63.sra.co.jp>

> > UID $B$H(B EUID $B$,N>J}$H$b(B 0 $B0J30$N%W%m%;%9$O(B setuid $B$r;H$C$F$b(B
> > EPERM $B$GCF$+$l$^$9$N$G!"(B
>   $B$5$9$,$K!"$3$l$O13$G$7$g$&!#$3$l$G$O(B su(1) $B$r<BAu$G$-$^$;$s!#87L)$J(B
> $B>r7o$O(B setuid(2) $B$K$A$c$s$H=q$+$l$F$$$^$9!#(B

$B$&$&$C!"$4$a$s$J$5$$!"4V0c$C$F$^$9!#$G$b!"$3$l$G$b(B su $B$O<BAu$G$-$^$;$s$+(B?
$B$@$C$F!";d$N=q$$$?>r7o$@$H!"(B

UID==0 and EUID==0   setuid $B2D(B
UID!=0 and EUID==0   setuid $B2D(B
UID==0 and EUID!=0   setuid $B2D(B
UID!=0 and EUID!=0   setuid $BIT2D(B

$B$G$9$+$i!"<B:]$h$j$b4E$$>r7o$H$J$C$F$^$9$s$G!#<B:]$NF0$-$O!"(B

UID==0 and EUID==0   setuid $B2D(B
UID!=0 and EUID==0   setuid $B2D(B
UID==0 and EUID!=0   setuid $BIT2D(B
UID!=0 and EUID!=0   setuid $BIT2D(B

$B$J$s$G$9$1$I!#(B

# $B$J$*!"$3$l0J30$K!"%;%C%H$7$?$$(B UID $B$,8=:_$N(B UID/EUID $B$N$I$A$i$+$H(B
# $BEy$7$$;~!"$K$b@.8y$7$^$9!#(B

$B$G$b!"(B

>   set-uid $B$H(B real user ID/effective user ID $B$NOC$O!"(Bsu(1) $B$r0BA4$K<BAu(B
> $B$9$k$K$O$I$&$7$?$i$$$$$+9M$($F$_$k$H!"$:$$$V$sNI$/8+$($F$/$k$b$N$@$H;W(B
> $B$$$^$9!#(B

$B$H$$$&$3$H$O!"$o$?$7$N>r7o$@$H%;%-%e%j%F%#>eLdBj$,$"$k$C$F$3$H$J$s$@$m$&$J$!!#(B
$B$A$g$C$H(B TP $BN)$F$F(B su $B$N?6Iq$$$r$_$F$_$^$7$?$1$I!"G'>Z$,@.8y$7$?$i(B
$BC1$K(B UID $B$H(B EUID $B$r4uK>$N$b$N$KJQ$($F%7%'%k$r(B exec $B$7$F$k$@$1$N$h$&$K(B
$B8+$($k$N$@$1$l$I$b!"$b$7$+$7$?$iFbIt$G$N>uBVA+0\$K0BA4@-$r3NJ]$9$k(B
$B2?$+$,$"$k$N$+$J!#(B
$B$A$g$C$H(B su $B$N%=!<%98+$F$_$h$&!#(B


> > setuid(2) $B$K=q$$$F$^$;$s$+!)(B
> > # $B<BJ*$r$$$^3NG'$G$-$J$$$N$G!"!V$A$c$s$HFI$_$^$7$?$+!)!W$H$OJ9$1$J$$!#(B
>   $B$&$s!#$A$c$s$HD4$Y$F$+$iEj9F$7$F2<$5$$$M!#(B

$B$O$$!#(B


$B$G$O!#(B

---
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    * X-TT Ver1.0 pl00 [Aoi MATSUBARA Release0 pl00] is available now.
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  $B1v:j(B $BBsLi(B
  Takuya SHIOZAKI -- Release Manager of X-TrueType Server Project.
      mailto:AoiMoe@isoternet.org
      http://hawk.ise.chuo-u.ac.jp/student/person/tshiozak/
