From owner-FreeBSD-users-jp@jp.freebsd.org  Mon Mar 30 15:14:05 1998
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Date: Mon, 30 Mar 1998 15:13:59 +0900
From: IKEDA Kenji <noroi@nt.is.dnp.co.jp>
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Subject: [FreeBSD-users-jp 26579] execute/search permission of directory
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$B$J$s$+2#$+$i%A%c%A%c$$$l$7$F$7$^$C$F!":.Mp$r>7$$$F$7$^$$$^$7$?!#:a$[$m(B
$B$\$7$N$?$a$K$^$H$a$F$_$^$7$?!#E::o$r$*4j$$$7$^$9!#(B

Q. $B%G%#%l%/%H%j$N<B9T(B/$B8!:w(B(execute/search)$B8"$C$F2?$K;H$o$l$k$b$N$G$9$+(B?

A. $B$=$N%G%#%l%/%H%jL>$r%U%!%$%kL>$N0lIt$H$7$F;H$C$F$$$$$+$I$&$+$NH=CG(B
   $B$K;H$o$l$^$9!#(B

   UNIX $B$G$O!"FCDj$N%U%!%$%k$r;X$7<($9$N$K!"8=:_0LCV$+$i$NAjBP;XDj$d%k!<(B
   $B%H$+$i$N@dBP;XDj$r;H$$$^$9!#;OE@$+$iFCDj$N%U%!%$%k$K9T$-$D$/$^$G!"(B
   $B$$$/$D$+$N%G%#%l%/%H%j$rC)$i$J$1$l$P$$$1$J$$$N$G$9$,!"$3$N%G%#%l%/(B
   $B%H%j$rC)$k$3$H$r(B path $B$N(B search $B$H$$$$$^$9!#$3$N(B search $B$K;H$C$F$$(B
   $B$$$+$I$&$+$r7h$a$k$N$,(B search permission$B$G$9!#D>Lu$9$k$H!V8!:w8"!W!#(B
   $B0ULu$9$k$H!VL>A0$K;H$C$F$b$$$$$s$G$98"!W$G$9!#(B

   $B$?$H$($P!"(B/etc/hosts $B$r(B /etc/hosts $B$H$$$&@dBP;XDj$r;H$C$F%"%/%;%9$7(B
   $B$FFI$_$?$$>l9g$K$O!"(B/etc/hosts $B$=$N$b$N$NFI$_<h$j8"8B$@$1$G$J$/!"(B
   $B%k!<%H%G%#%l%/%H%j$H(B/etc$B%G%#%l%/%H%j$NN>J}$K8!:w8"$,I,MW$G$9!#(B

   $B%+%l%s%H%G%#%l%/%H%j$,(B /usr/X11R6 $B$@$H$7$F!"$=$N0LCV$+$i$NAjBP;XDj(B
   $B$r;H$C$F(B grep green lib/X11/rgb.txt $B$r<B9T$9$k$K$O(B(lib/X11/rgb.txt
   $B$H$$$&%U%!%$%kL>$r;H$&$K$O(B)$B!"(B/usr/X11R6/lib $B$H(B /usr/X11R6/lib/X11 
   $B$NN>J}$N%G%#%l%/%H%j$K8!:w8"$,I,MW$K$J$k$N$G$9!#(B

   $BAjBP;XDj$N>l9g$O!"%+%l%s%H%G%#%l%/%H%j$K$b8!:w8"$,I,MW$G$9!#$,!"(B
   $B!V8!:w8"$N$J$$%G%#%l%/%H%j$K$O(B chdir(2) $B$G$-$J$$!W$?$a!"%+%l%s(B
   $B%H%G%#%l%/%H%j$N8!::$OITMW$K$J$j$^$9!#(B

   $B:.Mp$5$;$F$7$^$C$?(B ls $B$NOC$r$7$^$7$g$&!#0J2<$N$h$&$J4D6-$r9M$($^$9!#(B

   $ id
   uid=4321(myuser) gid=1234(mygroup) groups=1234(mygroup)
   $ ls -ld
   drwxrwxr-x  3 myuser  mygroup  512 Mar 30 13:43 .
   $ ls -l
   total 1
   drwxrwxr-x  2 myuser  mygroup  512 Mar 30 13:43 bar
   $ ls -l bar
   total 0
   -rw-rw-r--  1 myuser  mygroup  0 Mar 30 13:43 bar.text
   $ chmod 400 bar	# $B8!:w8"$r<h$k!#(B
   $ ls -l
   total 1
   dr--------  2 myuser  mygroup  512 Mar 30 13:43 bar

   $B$3$3$G(B ls $B$r$7$F$_$^$9!#(B

   $ ls bar
   bar.text		# ls $B$O$G$-$k!#(B
   $ ls -l bar		# ls -l $B$O2?$bJV$C$F$3$J$$!#(B
   $ ls -F bar		# ls -F $B$b2?$bJV$C$F$3$J$$!#(B
   $ 

   $B$I$&$7$F(B ls $B$@$1$@$H%U%!%$%kL>$,I=<($5$l$k$N$K!"(B-F$B$d$i(B-l$B$d$i$N%*%W(B
   $B%7%g%s$rIU$1$k$H!V2?$bJV$C$F$3$J$$!W$K$J$k$+$H$$$&$H!"(Bls $B$,$_$D$1$?(B
   $B%U%!%$%k$KBP$7$F(B stat(2) $B$r<B9T$7$F$$$k$+$i$G$9!#>e$NNc$G$$$/$H!"(B

   stat("bar/bar.text", &stbuf)

   $B$r<B9T$7$^$9!#%G%#%l%/%H%j(B bar $B$K$O8!:w8"$,$J$$$?$a!"EvA3$3$N(B stat(2)
   $B$O%(%i!<$K$J$j$^$9!#(B

   # $B%(%i!<%a%C%;!<%8$,=P$kJ}$,IaDL$N$h$&$J5$$,$9$k!#(B

SEE ALSO
   intro(2) DEFINITIONS$B@a$N(B File Name $B$+$i(B File Access Permissions $B$^$G!#(B

-- 
$BCSED8&Fs(B		Dai Nippon Printing Co., Ltd. Tokyo, Japan.
