#!/bin/sh

if [ $# -ne 1 ];then
echo -e "\e[0;31m Usage :"
echo "./scanx.sh <IP> "
echo "./scnaX 10.0.0.3 :-> To get details of only one IP "
echo "./scanX 10.0.0.3-10 :-> To get details of a range of IP from 3 to 10"
echo -n -e "\e[0;0m"
exit
fi

v_ip=$1
flag=0
mac_manu1=""

counter=0
ip=""
mac=""
mac3=""
cname=""
netdis=""
man_manu=""
os=""
ismsos=""
devicetype=""
isprinter=""

#function to convert upper case
toUpper()
{
        echo $1 | tr "[:lower:]" "[:upper:]"
}


#function to search ite out.txt
searchOui()
{
	#get the mac upto 24 bit
	mac3=`echo "$mac" | awk -F: '{print $1"-"$2"-"$3}'`
	
	#get the manufaturer name from oui file ,get only the first value separated by , and skip all the () characters
	mac_com=`cat oui.txt | grep $mac3 | awk -F ' ' '{print $3,$4,$5,$6,$7}'| sed 's/(//g' | sed 's/)//g'| awk -F , '{print $1}'`
	
	#assing with the variable
	if [ "$mac_com" != ""  ];then
		mac_manu=$mac_com
	else
		mac_manu=""
	fi

}

#check for phone or not
isPhoneChk()
{
while read pname
do
        if [ `toUpper $pname` == `toUpper $1` ];then
                flag=1
		#once matched then no need to loop again 
		break
	else
		flag=0
	fi
done <fcname
}



#parsing the scan result
parsescan()
{
	#get the file and parse
	#read the content of the file one line by line
	while read readl
	do
		#if end of one scan then print all value
		start_point=`echo $readl | grep "Nmap scan report for"` 
		if [ "$start_point" != "" ]; then
		counter=`expr $counter + 1 `
		fi
			#check for the ip
                	ipp=`echo $readl | grep "Nmap scan report" | awk -F ' ' '{print $6}' | sed 's/(//g' | sed 's/)//g'`
			if [ "$ipp" != "" ];then
			ip=$ipp
			fi
			
			#check for mac address and manufacture
			macc=`echo $readl | grep MAC | awk -F ' ' '{print $3}'`
			if [ "$macc" != "" ];then
			mac=$macc
        	        fi

			#check for the computer name
			ccname=`echo $readl | grep "Nmap scan report" | awk -F ' ' '{print $5}'`
                	if [ "$ccname" != "" ];then
                        cname=$ccname
        	        fi
	
			#check for the manufature of mac
			mac_manuu=`echo $readl | grep MAC | awk -F ' ' '{print $4,$5,$6,$7,$8}' | sed 's/(//g' | sed 's/)//g'`
                        if [ "$mac_manuu" != "" ];then
				#find for the unknown type of company name and get it from oui.txt file	
				searchOui $mac_manuu
	
				#for detecting phone company
			 	mac_manu1=`echo $mac_manu | awk -F ' ' '{print $1}'`
			fi
			
			#check os
		    	oss=`echo $readl | grep "OS details" | awk -F: '{print $2}' | awk -F , '{print $1}'`
                        if [ "$oss" != "" ];then
                        os=$oss
                        fi
			
			#check the last line
			netdiss=`echo $readl | grep "Network Distance:"`
                        if [ "$netdiss" != "" ];then
                        netdis=$netdiss                        			
			fi
			#check for the device type
			devicetypee=`echo $readl | grep "Device type:" | awk -F: '{print $2}'`
			if [ "$devicetypee" != "" ];then
			devicetype=$devicetypee
			fi

			#check for the printer of HP
			isprinterr=`echo $readl | grep "9100/tcp" | awk -F ' ' '{print $3}'`
                        if [ "$isprinterr" != "" ];then
                        isprinter=$isprinterr
                        fi
			
			#check for the microsoft os
			ismsoss=`echo $readl | grep "445/tcp" | awk -F ' ' '{print $3}'`
                        if [ "$ismsoss" != "" ];then
                        ismsos=$ismsoss
			fi

		#printing all the values             

		if [ "$netdis" != ""  ]; then
		
			#print all values
			echo -e "\t -----------------------------------------------"
			echo -e "\t "$counter	
			if [ "$ip" != "" ];then 
			echo -e "\t IP : "$ip
			fi

			if [ "$mac" != "" ];then 
                      	echo  -e "\t MAC : "$mac
                        fi

		     
			if [ "$mac_manu" != "" ];then
			echo  -e "\t MAC manufacturer : "$mac_manu

	  		#check for mobile  phone
                        isPhoneChk $mac_manu1
                        if [ $flag -eq 1 ];then
                                echo  -e "\t Device type : Phone"
                        else
                                if [ "$devicetype" != "" ];then
                                echo  -e "\t Device type :"$devicetype
                                fi
                        fi

                        fi
			
			if [ "$cname" != "" ];then
			echo  -e "\t Device name : "$cname
	               	fi			
	
			if [ "$os" != "" ];then
		 	echo  -e "\t OS : "$os
                        fi
			
			if [ "$isprinter" != "" ];then
			echo  -e "\t port 9100 service : "$isprinter
                        fi
			
			#after printing set all the variables to the default value
			
			ip=""
			mac=""
		        cname=""
		        netdis=""
		        man_manuu=""
		        os=""
		        devicetype=""
		        isprinter=""
		fi
	#set network discovery string to "" to avoid printing values repeatadly 
	netdis=""
	done < os
	
	#log messeges
	echo  -e "\e[35m \n Total no of device successfully scaned by scanX : $counter \e[0m"
	#rm -f os
}

#disply
echo -e "\e[35m scanX started wait for the scan result....\e[0m"

#use nmap and store it in a file
nmap -O --osscan-guess -T3 $v_ip  > os

#After nmap completes it takes few seconds to parse so give a message to user
echo -e "\e[35m Results in few seconds......\e[0m"

#parse it and show the result and store the result in a file
parsescan