diff --git a/turtle.sh b/turtle.sh new file mode 100644 index 0000000..4042c5d --- /dev/null +++ b/turtle.sh @@ -0,0 +1,105 @@ +#!/bin/bash +# +# I hope this makes development for turtle modules less of a pain... who wants to be tethered to a cable anymore? +# - Newbi3 +# Extra edits made by foxtrot +# Credit goes to whoever wrote the wp5.sh script for the wifi pineapple. +# + +echo "$(tput setaf 2)" +echo " LAN TURTLE" +echo " by Hak5" +echo " .-./*) (*\.-." +echo " _/___\/ \/___\_" +echo " U U U U" +echo "$(tput sgr0)" + +echo -n "Turtle Netmask [255.255.255.0]: " +read turtlenetmask +if [[ $turtlenetmask == '' ]]; then +turtlenetmask=255.255.255.0 #Default netmask for /24 network +fi + +echo -n "Turtle Network [172.16.84.0/24]: " +read turtlenet +if [[ $turtlenet == '' ]]; then +turtlenet=172.16.84.0/24 # Turtle network. Default is 172.16.84.0/24 +fi + +echo -n "Interface between PC and Turtle [eth1]: " +read turtlelan +if [[ $turtlelan == '' ]]; then +turtlelan=eth1 # Interface of ethernet cable directly connected to Turtle +fi + +echo -n "Interface between PC and Internet [wlan0]: " +read turtlewan +if [[ $turtlewan == '' ]]; then +turtlewan=wlan0 #i.e. wlan0 for wifi, ppp0 for 3g modem/dialup, eth0 for lan +fi + +tempturtlegw=`netstat -nr | awk 'BEGIN {while ($3!="0.0.0.0") getline; print $2}'` #Usually correct by default +echo -n "Internet Gateway [$tempturtlegw]: " +read turtlegw +if [[ $turtlegw == '' ]]; then +turtlegw=`netstat -nr | awk 'BEGIN {while ($3!="0.0.0.0") getline; print $2}'` #Usually correct by default +fi + +echo -n "IP Address of Host PC [172.16.84.42]: " +read turtlehostip +if [[ $turtlehostip == '' ]]; then +turtlehostip=172.16.84.42 #IP Address of host computer +fi + +echo -n "IP Address of Turtle [172.16.84.1]: " +read turtleip +if [[ $turtleip == '' ]]; then +turtleip=172.16.84.1 #Thanks Douglas Adams +fi + +echo "" +echo "$(tput setaf 6) _ . $(tput sgr0) $(tput setaf 7)___$(tput sgr0) $(tput setaf 2) .-./*) $(tput sgr0) Internet: $turtlegw - $turtlewan" +echo "$(tput setaf 6) ( _ )_ $(tput sgr0) $(tput setaf 5)<-->$(tput sgr0) $(tput setaf 7)[___]$(tput sgr0) $(tput setaf 5)<-->$(tput sgr0) $(tput setaf 2) _/___\/ $(tput sgr0) Computer: $turtlehostip" +echo "$(tput setaf 6) (_ _(_ ,)$(tput sgr0) $(tput setaf 7)\___\\$(tput sgr0) $(tput setaf 2) U U $(tput sgr0) Turtle: $turtlenet - $turtlelan" + +#Bring up Ethernet Interface directly connected to Turtle +ifconfig $turtlelan $turtlehostip netmask $turtlenetmask up + +# Enable IP Forwarding +echo '1' > /proc/sys/net/ipv4/ip_forward +#echo -n "IP Forwarding enabled. /proc/sys/net/ipv4/ip_forward set to " +#cat /proc/sys/net/ipv4/ip_forward + +#clear chains and rules +iptables -X +iptables -F +#echo iptables chains and rules cleared + +#setup IP forwarding +iptables -A FORWARD -i $turtlewan -o $turtlelan -s $turtlenet -m state --state NEW -j ACCEPT +iptables -A FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT +iptables -A POSTROUTING -t nat -j MASQUERADE +#echo IP Forwarding Enabled + +#remove default route +route del default +#echo Default route removed + +#add default gateway +route add default gw $turtlegw $turtlewan +#echo Turtle Default Gateway Configured + +#automatically try to configure LAN Turtle +ping -i 1 -c1 $turtleip +if [ $? -eq 0 ]; then +echo "ICS configuration successful." +echo "Configuring LAN Turtle." +echo "Enter password if prompted" +ssh root@$turtleip "echo \"nameserver 8.8.8.8\" >> /etc/resolv.conf && route add default gw 172.16.84.42" +else +echo "Could not connect to the LAN Turtle!" +fi + +echo "" +echo "Happy Shelling :)" +echo ""