#!/bin/bash
######################################################################
######                      FILEWORM                   ###############
#####################################################################
########## This script facilitates various services that has ########
#####              to be performed by the administrator         #####
#####################################################################
#  Created by FAHAD SAEED on 25 june 2005
#  Designed by FAHAD SAEED & FAHAD ALI ARSHAD

echo WELCOME TO FILEWORM !

# tests the last node that was able to ssh successfully and eliminated that
# ip for further testing

cat /home/admin/ip1>pool
cat /home/admin/ip2>>pool
cat /home/admin/ip3>>pool
cat /home/admin/ip4>>pool

#logged ip is the script in folder script1 that gets the ip of the last successful ssh
bash /home/script1/loggedip
# the ip of the machine is stored in the file /home/script1/ip

read ipvar</home/script1/ip
# ip of the machine that started the worm on this node
echo $ipvar

comm -23 /home/admin/pool /home/script1/ip>/home/admin/pool1

# now pool contains the ips that are to be analysed 

sed -n '1p' /home/admin/pool1>tar1
sed -n '2p' /home/admin/pool1>tar2
sed -n '3p' /home/admin/pool1>tar3
sed -n '4p' /home/admin/pool1>tar4

# If tar4 is empty then it means that adminworm was generated by another
#node ELSE (if tar4 is not empty than) this is the first node that the admin
# is using 
read target1<tar1
read target2<tar2
read target3<tar3
read target4<tar4
# the ip of this of this terminal
read terminalip</home/auto/terminalip

###########################################


echo HOW MAY I SERVE
###################################################################
## CODE FOR FILE TRANSFER COMES HERE
echo Make sure that the file u wanna transfer is in the directory /home/admin 
echo
echo The contents of /home/admin are:
echo *******************************************************
echo
echo The file will be tranfered to all the "Active nodes" 
echo in the directory /home/admin 
echo Please enter the file u want to transfer:



read filename<nameoffile

if test "$filename" = ""
        then
	read filename	
	echo $filename>nameoffile
else
        
       echo $filename 

fi


echo $filename

echo PLEASE WAIT ...
echo It may take some time to transfer the file !!
echo

# each node is checked weather it has the file present or not
#If the file is not in the remote /home/admin then the file is 
#transfered and the same script is initiated on that node

#########################################################################################
##################      transfer of file to first neighbour    ##########################


ssh admin@$target1 " ls home/admin >/home/admin/log"
ssh admin@$target1 "scp /home/admin/log admin@$terminalip:/home/admin/"
#Now the files that are in the remote /home/admin are in the local
#terminal /home/admin/log file

grep $filename /home/admin/log >/home/admin/present
read match < /home/admin/present

if test "$match" = ""
        then
        echo $target1 does not contain the file $filename
	echo transfering file $filename
	scp /home/admin/$filename admin@$target1:/home/admin/
	scp /home/admin/nameoffile admin@$target1:/home/admin
	echo transfer of $filename to $target1 complete
	echo initializing fileworm on $target1	
	ssh admin@$target1 "bash /home/admin/fileworm"

else
	echo $filename in $target1 already present
        

fi




#########################################################################################
##################      transfer of file to second neighbour    ##########################

echo Entering the second target
ssh admin@$target2 "ls /home/admin >/home/admin/log"
ssh admin@$target2 "scp /home/admin/log admin@$terminalip:/home/admin/"
#Now the files that are in the remote /home/admin are in the local
#terminal /home/admin/log file

grep $filename /home/admin/log >/home/admin/present
read match < /home/admin/present

if test "$match" = ""
        then
        echo $target2 does not contain the file $filename
        echo transfering file $filename
        scp /home/admin/$filename admin@$target2:/home/admin/
        scp /home/admin/nameoffile admin@$target2:/home/admin

	echo transfer of $filename to $target2 complete
        echo initializing fileworm on $target2
        ssh admin@$target2 "bash /home/admin/fileworm"

else
        echo $filename in $target2 already present
        

fi



#########################################################################################
##################      transfer of file to third neighbour    ##########################

echo Entering the third target
ssh admin@$target3 "ls /home/admin >/home/admin/log"
ssh admin@$target3 "scp /home/admin/log admin@$terminalip:/home/admin/"
#Now the files that are in the remote /home/admin are in the local
#terminal /home/admin/log file

grep $filename /home/admin/log >/home/admin/present
read match < /home/admin/present

if test "$match" = ""
        then
        echo $target3 does not contain the file $filename
        echo transfering file $filename
        scp /home/admin/$filename admin@$target3:/home/admin/
        scp /home/admin/nameoffile admin@$target3:/home/admin

	echo transfer of $filename to $target3 complete
        echo initializing fileworm on $target3
        ssh admin@$target3 "bash /home/admin/fileworm"

else
        echo $filename in $target3 already present
        

fi



#########################################################################################
##################      transfer of file to fourth neighbour    ##########################


if test "$target4" = ""
# target 4 equal to null means that,target4 was the host of adminworm1.
#this means that target4 has the required file and there even no need to 
#check the file in the remote machine        
	then

        rm -f /home/admin/nameoffile
	exit 0
else

	ssh admin@$target4 "ls /home/admin >/home/admin/log"
	ssh admin@$target4 "scp /home/admin/log admin@$terminalip:/home/admin/"
	#Now the files that are in the remote /home/admin are in the local
	#terminal /home/admin/log file

	grep $filename /home/admin/log >/home/admin/present
	read match < /home/admin/present

	if test "$match" = ""
        	then
       		echo $target4 does not contain the file $filename
       		echo transfering file $filename
       		scp /home/admin/$filename admin@$target4:/home/admin/
        	scp /home/admin/nameoffile admin@$target4:/home/admin
		rm -f /home/admin/nameoffile
		echo transfer to $filename to $target4 complete
       		echo initializing fileworm on $target4
       		ssh admin@$target4 "bash /home/admin/fileworm"

	else
		rm -f /home/admin/nameoffile 
		echo $filename in $target4 already present
   		exit 0

	fi

fi


exit 0