#!/bin/sh # # The UNIX System V simulator version 1.0 # # Written during a wasted night by: Sandro Sigala # # Want a hint? Try username: root, password: root # trap shutdownproc 1 2 13 15 shutdownproc() { echo "" echo "Shutting down system..." echo "" echo "The system is halted." exit 0 } bootmsg() { echo "Booting the UNIX System..." sleep 2 echo "" echo "total real memory = 8388608" echo "total available mem = 7122944" echo "" echo "AT&T UNIX System V/386 Release 4.0 Version 2.0" echo "" echo "Copyright (c) 1984,1986,1987,1988,1989,1990 AT&T" echo "Copyright (c) 1987,1988 Microsoft Corp." echo "All Rights Reserved" sleep 1 echo "" echo "Wangtek PC-36/EV-811 cartridge tape controller was found at address 00000300H." sleep 1 echo "PC586 v2.7 Copyright(c) 1987,1988,1989 Intel Corp., All Rights Reserved" echo "PC586 board 0 was found, Ethernet Address: 00:00:1c:00:02:f0" echo "Node: `hostname`" echo "The system is coming up. Please wait." sleep 2 echo "System V Streams TCP Release 1.0" echo "(c) 1983,1984,1985,1986,1987,1988,1989,1990 AT&T" echo "(c) 1986,1987,1988,1989,1990 Sun Microsystems" echo "(c) 1987,1988,1989,1990 Lachman Associates, Inc. (LAI)" echo " All Rights Reserved" sleep 1 echo "Print services started" sleep 1 echo "The system is ready." sleep 1 } motd() { echo "" echo "UNIX System V/386 Release 4.0" echo "System `hostname`" echo "Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T" echo "Copyright (c) 1987, 1988 Microsoft Corp." echo "All Rights Reserved" sleep 1 echo "" echo "The `hostname` system will be down for software installation" echo "from 6:00 to 7:00 PM tonight. -joe" sleep 1 if [ -n "$mail" ]; then echo "" echo "You have new mail." echo "" fi } login() { echo "Welcome to the AT&T 386 UNIX System" echo "System name: `hostname`" echo "" while :; do echo -n "Console Login: " read user if [ -n "$user" ]; then echo -n "Password: " read pass sleep 1 if [ "$user" = "root" -a "$pass" = "root" ]; then break else echo "Login incorrect" fi fi done } aout="";core="" mail="1"; rootshell() { qcwd="/root" while :; do echo -n "`hostname -s`:" if [ "$qcwd" = "/root" ]; then echo -n "~" else echo -n "$qcwd" fi echo -n "# " read lcmd i=0 par1="";par2="";par3="";par4=""; for a in $lcmd; do i=`expr $i + 1` if [ "$i" = "1" ]; then cmd="$a"; fi if [ "$i" = "2" ]; then par1="$a"; fi if [ "$i" = "3" ]; then par2="$a"; fi if [ "$i" = "4" ]; then par3="$a"; fi if [ "$i" = "5" ]; then par4="$a"; fi done case "$cmd" in # -- a.out ------------------------------------------------------------------- a.out) if [ "$qcwd" = "/root" ]; then case "$aout" in foo) echo "Hello world" ;; bar) echo "Segmentation fault (core dumped)" core="1" ;; *) echo "sh: command not found: a.out" ;; esac else echo "sh: command not found: a.out" fi ;; # -- cc ---------------------------------------------------------------------- cc) if [ "$qcwd" = "/root" ]; then case "$par1" in foo.c) aout=foo ;; bar.c) aout=bar ;; *) echo "cc: $par1: cannot open" ;; esac fi ;; # -- rm ---------------------------------------------------------------------- rm) if [ "$qcwd" = "/root" ]; then case "$par1" in a.out) if [ -n "$aout" ]; then aout="" else echo "rm: $par1: Permission denied" fi ;; core) if [ -n "$core" ]; then core="" else echo "rm: $par1: Permission denied" fi ;; *) echo "rm: $par1: Permission denied" ;; esac fi ;; # -- ls | dir ---------------------------------------------------------------- ls|dir) if [ -n "$par1" ]; then d="$par1" case $par1 in /|/bin|/root) d="$par1" ;; .) d="$qcwd" ;; *) case $qcwd in /) case $par1 in ..) d="/" ;; bin) d="/bin" ;; root) d="/root" ;; esac ;; /bin) case $par1 in ..) d="/" ;; esac ;; /root) case $par1 in ..) d="/" ;; esac ;; esac esac else d="$qcwd" fi case $d in /root) if [ -n "$aout" ]; then echo -n "a.out* " fi echo -n "README bar.c " if [ -n "$core" ]; then echo -n "core " fi echo "foo.c" ;; /) echo "bin/ etc/ home/ lib/ root/ usr/ var/ vmunix vmunix.old" ;; /bin) echo "cat* chmod* csh* ed* expr* mkdir* ln* ls* pwd* rmdir* sh* core" ;; *) echo "ls: $d: Permission denied" esac ;; # -- cd ---------------------------------------------------------------------- cd) if [ -z "$par1" ]; then qcwd="/root" else case $qcwd in /root) case $par1 in .|/root) ;; ..|/) qcwd="/" ;; /bin) qcwd="/bin" ;; *) echo "cd: $par1: Permission denied" ;; esac ;; /) case $par1 in .|/|..) ;; root|/root) qcwd="/root" ;; bin|/bin) qcwd="/bin" ;; *) echo "cd: $par1: Permission denied" ;; esac ;; /bin) case $par1 in .|/bin) ;; ..|/) qcwd="/" ;; /root) qcwd="/root" ;; *) echo "cd: $par1: Permission denied" ;; esac ;; esac fi ;; # -- cat --------------------------------------------------------------------- cat) if [ -z "$par1" ]; then echo "usage: cat filename ..." else case $qcwd in /root) case $par1 in README) echo "You should find two sources in your home directory. Try compiling both!" ;; foo.c) echo "main(){printf(\"Hello world\n\");}" ;; bar.c) echo "main(){int *p; *p = 'x';}" ;; *) echo "cat: $par1: cannot open" ;; esac ;; /) echo "cat: $par1: cannot open" ;; /bin) case $par1 in core) echo "Core dumped by emacs version 0.3" ;; *) echo "cat: $par1: cannot open" ;; esac ;; esac fi ;; # -- who | w ----------------------------------------------------------------- who|w) echo "USER TTY FROM LOGIN@ IDLE WHAT" echo "root 1 - 7:57PM - w" echo "joe p3 ucbvax.berkeley.edu 3:04AM 12d vi hello.c" ;; # -- exit | logout | bye ----------------------------------------------------- exit|logout|bye) break ;; # -- sh ---------------------------------------------------------------------- sh) ;; # -- mail -------------------------------------------------------------------- mail) if [ -z "$mail" ]; then echo "No mail for root" else echo "From joe Tue Jan 01:00:02 1997" echo "Date: Tue, 1 Jan 1970 01:00:02 +000 (GMT)" echo "From: Joe Doe " echo "Subject: Hello new sysadmin!" echo "" echo "Welcome to the `hostname` system!" echo "Take a look around, and... good luck!" echo "" echo " -joe" mail="" fi ;; *) echo "sh: command not found: $cmd" ;; esac done } if [ "$1" != "-noboot" ]; then clear bootmsg fi while :; do login motd rootshell done