script knows your LAN Ip range

script.sh

@@ -8,36 +8,47 @@ printf "Do you want to set up firewall rules by iptables? [Y/n]: "
 read ansFirewallSetup
 
 
+
 if [[ "$ansFirewallSetup" =~ ("N"|"n") ]]; then
 
 	printf "+ Thanks, working on next bit\n"
 
 else
 	
-	printf "Do you want to block non-LAN ssh connections? [Y/n/ip range]: "
+	printf "Do you want to block non-LAN ssh connections? [Y/n/castom]: "
 	read sshBlockRange
 
 
 	if [[ $sshBlockRange =~ ("n"|"N") ]]; then
 	
-		#$sshBlockRange = ""
+		printf "+ OK, working on next bit\n"
-		printf 'N\n'
+		ipList=""
 
 	elif [[ $sshBlockRange =~ ("y"|"Y") || -z $sshBlockRange ]]; then
 	
-		### Have to found how to locate LAN
+		#Pipes all informations about ip interfaces
-		#$sshBlockRange = "y"
+		ipList=$(ip -o -4 a show scope global)
-		printf 'Y\n'
+
+		#Founds data in pattern
+		ipList=$(echo $ipList | grep -Eo "([0-9]*\.){3}[0-9]*/[0-9]*")
+
+		#substitues space for coma
+		ipList=$(echo $ipList | tr " " ",") 
+
+		printf "+ Accepting SSH connections only on these ip's: $ipList\n"
+
 
 	else
 			printf "\nHope you know what you are doing, I am not checking these :]"
-			printf "\nyou typed $sshBlockRange"
+			
-			sleep 2
+			printf "\nSubmit your IP range to acces SSH in format 192.168.1.1/24 
-			printf "\nDont worry you will have time to chack if it is looking righ later.\n"
+				\nYour IP range: "
-
+			read ipList
+			printf "\n+ Allowing SSH on this range: $ipList \n"
 	fi
 fi
 
+sleep 2
 
 # Just to be shure
 printf "\n+ Starting to upgrade base system\n\n"