#! /bin/sh
clear
#################################################################
# script_1, version 01, Claudio Rocha                           #
# This is a Bourne Shell Script                                 #
# Usage:  script_1                                              #
# This Script is written for "Homework - Dr. Halasa             #
#################################################################


#######################################################
# Full menu access if logged as root
#######################################################
while true
do
clear
user=`/usr/ucb/whoami`
if [ $user = root ]
then 
	echo "Script will run all options, because you logged in as root"	
else
        echo "\n\n\n"
	echo "Warning...$user, some of the options may not work,"
	echo "          you must be logged as root to gain full"
	echo "          menu options access"
fi

echo "\n\n"

echo "Would you like to continue  [y/n - default=n]:_\b\c"
read ans
ans=${ans:-n}

if [ $ans = y ]
then
while true
do
clear
	#######################################################
	echo "                     License Administration Menu"
	#######################################################
	echo
	echo "                     1 -- Display contentes of /etc/passwd"
	echo "                     2 -- Display contentes of /etc/group"
	echo "                     3 -- Display contentes of /etc/shadow"
	echo "                     4 -- Show Memory in this machine" 
	echo "                     5 -- Show status of processor(s)"                                              
      	echo "                     6 -- Show all patches installed in this machine"
	echo "                     7 -- EXIT"
	echo
	echo "                     Please choose option: _\b\c"
	read option
	option=${option:-7}
	case $option in
	
		1) clear
		   echo "############################" 
		   echo "This is the /etc/passwd file"
		   echo "############################" 
	           echo  				 
                   cat /etc/passwd |more
   	           echo
                   echo
                   echo "Press Enter to continue..."
                   read _ENTER ;;
	
		2) clear
                   echo "############################" 
		   echo "This is the /etc/group file"
		   echo "############################" 
	           echo  				 
                   cat /etc/group |more
   	           echo
                   echo
                   echo "Press Enter to continue..."
                   read _ENTER ;;
	
		3) clear
                   echo "############################" 
		   echo "This is the /etc/shadow"
		   echo "############################" 
	           echo 
                   case $user in
			root) clear 
                   	      echo "############################" 
		   	      echo "This is the /etc/passwd file"
		   	      echo "############################" 
	           	      echo  				 
                   	      cat /etc/shadow |more
   	           	      echo
                   	      echo
                   	      echo "Press Enter to continue..."
                   	      read _ENTER ;;
        		
			*)    echo 
		              echo "++++++++++++++++++++++++++++++++++++++++++++++++++++++" 
                              echo "+                                                    +"
		              echo "+    This option only works with root provilegies    +"  
		              echo "+                                                    +"
                              echo "++++++++++++++++++++++++++++++++++++++++++++++++++++++"	
                              echo
                              echo "YOU MUST BE LOGGED IN AS ROOT TO READ THIS FILE..."
                              echo
                              echo "Press Enter to continue..."
                              read _ENTER ;;
                 esac
		 ;;			
		
		4) clear
                   echo "################################" 
		   echo "Memory Available in this Machine"
		   echo "################################" 
	           echo  				 
                   showrev
                   echo
                   echo 
                   prtconf -v | grep Memory 
   	           echo
                   echo
                   echo "Press Enter to continue..."
                   read _ENTER ;;
	
		5) clear 
                   echo "############################" 
		   echo "Status of Processor(s)"
		   echo "############################" 
	           echo  				 
                   psrinfo -v 
   	           echo
                   echo
                   echo "Press Enter to continue..."
                   read _ENTER ;;
	
		6) clear
                   echo "##########################################" 
		   echo "Show all patches installed in this machine"
		   echo "##########################################" 
	           echo  				 
                   showrev -a |more 
   	           echo
                   echo
                   echo "Press Enter to continue..."
                   read _ENTER ;;
		
		7) echo 
	           echo "Exinting Script..."  				 
                   sleep 1; clear; break ;;
		
		
		*) echo "Invalid entry"
   			 sleep 2 ;;
	esac

done

elif [ $ans = n ]
then
	echo "exiting script..."
	sleep 2
	clear
	echo done.
	exit 15 
else
	echo "Invalid Option!"
	sleep 2
fi
done