paul@27 | 1 | #!/bin/bash |
paul@27 | 2 | # Usage: uml-net ( --start <username> | --stop ) |
paul@27 | 3 | |
paul@27 | 4 | # Configuration: |
paul@27 | 5 | if [ -e userinstall-defaults-uml ]; then |
paul@27 | 6 | source userinstall-defaults-uml |
paul@27 | 7 | elif [ -e /etc/default/userinstall-uml ]; then |
paul@27 | 8 | source /etc/default/userinstall-uml |
paul@27 | 9 | else |
paul@27 | 10 | echo "No defaults found for userinstall (UML)." |
paul@27 | 11 | exit 1 |
paul@27 | 12 | fi |
paul@27 | 13 | |
paul@27 | 14 | if [[ $1 == "--start" ]]; then |
paul@27 | 15 | chgrp adm /dev/net/tun |
paul@27 | 16 | tunctl -u $2 -t $TUNDEVICE |
paul@27 | 17 | ifconfig $TUNDEVICE $HOSTADDRESS up |
paul@27 | 18 | bash -c "echo 1 > /proc/sys/net/ipv4/ip_forward" |
paul@27 | 19 | iptables -t nat -I POSTROUTING -o $NETDEVICE -j MASQUERADE |
paul@27 | 20 | iptables -I FORWARD -i $TUNDEVICE -j ACCEPT |
paul@27 | 21 | iptables -I FORWARD -o $TUNDEVICE -j ACCEPT |
paul@27 | 22 | |
paul@27 | 23 | elif [[ $1 == "--stop" ]]; then |
paul@27 | 24 | iptables -t nat -D POSTROUTING 1 |
paul@27 | 25 | iptables -D FORWARD 1 |
paul@27 | 26 | iptables -D FORWARD 1 |
paul@27 | 27 | tunctl -d $TUNDEVICE |
paul@27 | 28 | fi |