🚀 go-pugleaf

In article <1992Jul12.114039.25680@kei.is.s.u-tokyo.ac.jp> kensyu@is.s.u-tokyo.ac.jp (YOSHIDA Kensyu) writes:

>   LINUX(ver 0.96c-1) $@$N(J install $@$r$3$N$"$$$@$7$^$7$F!"(J
>   $@$*$*$`$M$&$^$/$$$C$?$s$G$9$,!"(J

$@$b$N$,NI$/$o$+$C$F$$$J$$$N(J$@$K%U%)%m!<$9$k$N$O$A$g$C$H$-$,$R$1$k$N$G$9$,!"(J

>   $@Hs(J root $@$+$i(J passwd $@$C$F$d$k$H(J /etc/passwd $@$,3+$1(J$@$^$;$s(J
>   $@$H8@$o$l$^$9!J(Jroot $@$+$i$OBg>fIW$G$9!K!#(J
>   /etc/passwd $@$N(J permission(644) $@$N$?$a!"=q$-9~$a(J$@$J$$(J
>   $@$N$@$H;W$$$^$9$,!"(J

$@$3$l$OEvA3$=$&$G$9!#(J

>   $@$3$&$$$&;~$N$?$a$K$"$k$h$&$J5$$,$9$k(J setuid(system call)
>   $@$r9T$J$&$=$l$i$7$$%3%^%s%I$,8+Ev$?$j$^$;$s!#(J

$@;d$N>l9g(JSun SparcStation2$@$J$N$G0c$C$F$$$?(J$@$iBgJQ$K?=$7Lu$J$$$N$G$9$,!"(J
$@$3$l$O(J chmod $@$N%3%^%s%I$r$D$+$C$F!"%S%C%H=jM-<T(JID$@<B9T%*%s$K$9$l$PNI$$(J
$@$O(J$@$:$G$9!#6qBNE*$K$O!"(JSunOS$@$N>l9g$@$H!"(J
	chmod 4755 /usr/bin/passwd
$@$K$7$F$*$/$HBg>fIW$G$9!#EvA3(J /usr/bin/passwd $@$N%*!<%J!<$O(J root $@$K$J$C(J
$@$F$$$kI,MW$,$"$j$^$9!#$9$k$H!"(J ls -l $@$KBP$7$F!"(J
-rwsr-xr-x  5 root ........ passwd 
...$@$N$H$3$m$J$I$O!"%^%7%s$K$h$C$F0c$$$^$9$,!"$3$s$J46$8$K$J$k$O$:$G$9!#(J


--
/                       tak@uchikawa.nuem.nagoya-u.ac.jp                     /
/                        $@D9(J$@C+@n!!5.;K!wL>8E20Bg3XBg3X1!(J                      /
/                               Takashi Hasegawa                             /
/       Nagoya Univ. Dep. of Electoronic-Mechanical Eng. Uchikawa Lab.       /