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From: Yoshisato Yanagisawa <Yoshisato.Yanagisawa@is.titech.ac.jp>
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Subject: [FreeBSD-users-jp 61788] Re: passwd
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$BLx_7(B@is.titech.ac.jp $B3XIt(B3$BG/$G$9!#(B

From: Tatsuhiro Nishi <nishi@occ.co.jp>
Subject: [FreeBSD-users-jp 61785] passwd $B$r%+%9%?%^%$%:$7$?$$(B 
Date: Thu, 24 May 2001 20:58:44 +0900

> CGI$B$+$i(B /etc/passwd $B$rGA$+$l$k$N$rKI$00Y$K%Q!<%_%C%7%g%s$r(B
> 640 $B$K$7$?$N$G$9$,!"%f!<%6$,(B passwd $B%3%^%s%I$r;HMQ$9$k$H(B
> $B$3$N%Q!<%_%C%7%g%s$,85$KLa$C$F$7$^$$$^$9!#(B

SuExec$B$rMQ$$$k$H$-$K(BApache$B$N<B9T<T$O(Bnogroups:nobody$B$G$"$C$F$bNI$$$N$G$7$g$&$+!#(B
$B$=$&$G$J$$$J$i!"$3$l$GF0$+$;$k$h$&$K$9$k$3$H$G$"$k0UL#%;%-%e%j%F%#!<$r(B
$B2<$2$F$$$k$+$b$7$l$J$$$H46$8$?$N$G$9$,!#(B

> $B$=$3$G!"%f!<%6$,(B passwd $B%3%^%s%I$r;HMQ$7$F$b%Q!<%_%C%7%g%s$r(B
> $BJQ99$7$J$$$h$&$K%=!<%9$rJQ99$7$?$$$N$G$9$,!"$I$NItJ,$r$I$&(B
> $BJQ99$7$F$h$$$+J,$+$j$^$;$s!#(B

$B%=!<%9$N0MB84X78$rC`0lD4$Y$^$9$H(B
paswd -include-> vipw -execl-> pwd_mkdb
$B$H?J$s$G$$$/$_$?$$$G$9$M!#(B
$B$h$C$F!"(B
pwd_mkdb$B$K$*$1$k(B_PASSWD(/usr/include/pwd.h$B;2>H(B)$B$N;H$o$lJ}$rD4$Y$k$3$H$G(B
$BEz$($,8+$D$+$j$^$9!#(B
...$B7kO@$+$i$$$&$H(B/etc/passwd$B$r(Bchmod$B$7$F$$$k$o$1$G$O$J$/$F!"(B
permission$B$rFC$K9M$($:$K:n$C$?$b$N$r(Bmv$B$7$F$$$k$+$i(B755$B$K$J$k$H$$$&$3$H$G$9$M!#(B
$B$@$+$i!"$3$3$iJU$K<j$rF~$l$l$P$h$$$+$HB8$8$^$9!#(B

----------------------------------------------
Yoshisato YANAGISAWA<yanagis0@is.titech.ac.jp>
    Tokyo Insitute of Technology
        Information Science
        =Hacker is not Cracker=
----------------------------------------------

