#!/bin/sh IFNAME=$1 CMD=$2 kill_daemon() { NAME=$1 PF=$2 if [ ! -r $PF ]; then return fi PID=`cat $PF` if [ $PID -gt 0 ]; then if ps $PID | grep -q $NAME; then kill $PID fi fi rm $PF } if [ "$CMD" = "P2P-GROUP-STARTED" ]; then GIFNAME=$3 if [ "$4" = "GO" ]; then kill_daemon udhcpc /var/run/udhcpc-$GIFNAME.pid ifconfig $GIFNAME 192.168.42.1 up udhcpd /etc/udhcpd-p2p.conf fi if [ "$4" = "client" ]; then kill_daemon udhcpc /var/run/udhcpc-$GIFNAME.pid kill_daemon udhcpd /var/run/udhcpd-$GIFNAME.pid udhcpc -i $GIFNAME -p /var/run/udhcpc-$GIFNAME.pid \ -s /etc/udhcpc.script fi fi if [ "$CMD" = "P2P-GROUP-REMOVED" ]; then GIFNAME=$3 if [ "$4" = "GO" ]; then kill_daemon udhcpd /var/run/udhcpd-$GIFNAME.pid ifconfig $GIFNAME 0.0.0.0 fi if [ "$4" = "client" ]; then kill_daemon udhcpc /var/run/udhcpc-$GIFNAME.pid ifconfig $GIFNAME 0.0.0.0 fi fi if [ "$CMD" = "P2P-CROSS-CONNECT-ENABLE" ]; then GIFNAME=$3 UPLINK=$4 # enable NAT/masquerade $GIFNAME -> $UPLINK iptables -P FORWARD DROP iptables -t nat -A POSTROUTING -o $UPLINK -j MASQUERADE iptables -A FORWARD -i $UPLINK -o $GIFNAME -m state --state RELATED,ESTABLISHED -j ACCEPT iptables -A FORWARD -i $GIFNAME -o $UPLINK -j ACCEPT sysctl net.ipv4.ip_forward=1 fi if [ "$CMD" = "P2P-CROSS-CONNECT-DISABLE" ]; then GIFNAME=$3 UPLINK=$4 # disable NAT/masquerade $GIFNAME -> $UPLINK sysctl net.ipv4.ip_forward=0 iptables -t nat -D POSTROUTING -o $UPLINK -j MASQUERADE iptables -D FORWARD -i $UPLINK -o $GIFNAME -m state --state RELATED,ESTABLISHED -j ACCEPT iptables -D FORWARD -i $GIFNAME -o $UPLINK -j ACCEPT fi