p2p-action.sh revision 252190
1252190Srpaulo#!/bin/sh 2252190Srpaulo 3252190SrpauloIFNAME=$1 4252190SrpauloCMD=$2 5252190Srpaulo 6252190Srpaulokill_daemon() { 7252190Srpaulo NAME=$1 8252190Srpaulo PF=$2 9252190Srpaulo 10252190Srpaulo if [ ! -r $PF ]; then 11252190Srpaulo return 12252190Srpaulo fi 13252190Srpaulo 14252190Srpaulo PID=`cat $PF` 15252190Srpaulo if [ $PID -gt 0 ]; then 16252190Srpaulo if ps $PID | grep -q $NAME; then 17252190Srpaulo kill $PID 18252190Srpaulo fi 19252190Srpaulo fi 20252190Srpaulo rm $PF 21252190Srpaulo} 22252190Srpaulo 23252190Srpauloif [ "$CMD" = "P2P-GROUP-STARTED" ]; then 24252190Srpaulo GIFNAME=$3 25252190Srpaulo if [ "$4" = "GO" ]; then 26252190Srpaulo kill_daemon dhclient /var/run/dhclient-$GIFNAME.pid 27252190Srpaulo rm /var/run/dhclient.leases-$GIFNAME 28252190Srpaulo kill_daemon dnsmasq /var/run/dnsmasq.pid-$GIFNAME 29252190Srpaulo ifconfig $GIFNAME 192.168.42.1 up 30252190Srpaulo if ! dnsmasq -x /var/run/dnsmasq.pid-$GIFNAME \ 31252190Srpaulo -i $GIFNAME \ 32252190Srpaulo -F192.168.42.11,192.168.42.99; then 33252190Srpaulo # another dnsmasq instance may be running and blocking us; try to 34252190Srpaulo # start with -z to avoid that 35252190Srpaulo dnsmasq -x /var/run/dnsmasq.pid-$GIFNAME \ 36252190Srpaulo -i $GIFNAME \ 37252190Srpaulo -F192.168.42.11,192.168.42.99 --listen-address 192.168.42.1 -z 38252190Srpaulo fi 39252190Srpaulo fi 40252190Srpaulo if [ "$4" = "client" ]; then 41252190Srpaulo kill_daemon dhclient /var/run/dhclient-$GIFNAME.pid 42252190Srpaulo rm /var/run/dhclient.leases-$GIFNAME 43252190Srpaulo kill_daemon dnsmasq /var/run/dnsmasq.pid-$GIFNAME 44252190Srpaulo dhclient -pf /var/run/dhclient-$GIFNAME.pid \ 45252190Srpaulo -lf /var/run/dhclient.leases-$GIFNAME \ 46252190Srpaulo -nw \ 47252190Srpaulo $GIFNAME 48252190Srpaulo fi 49252190Srpaulofi 50252190Srpaulo 51252190Srpauloif [ "$CMD" = "P2P-GROUP-REMOVED" ]; then 52252190Srpaulo GIFNAME=$3 53252190Srpaulo if [ "$4" = "GO" ]; then 54252190Srpaulo kill_daemon dnsmasq /var/run/dnsmasq.pid-$GIFNAME 55252190Srpaulo ifconfig $GIFNAME 0.0.0.0 56252190Srpaulo fi 57252190Srpaulo if [ "$4" = "client" ]; then 58252190Srpaulo kill_daemon dhclient /var/run/dhclient-$GIFNAME.pid 59252190Srpaulo rm /var/run/dhclient.leases-$GIFNAME 60252190Srpaulo ifconfig $GIFNAME 0.0.0.0 61252190Srpaulo fi 62252190Srpaulofi 63252190Srpaulo 64252190Srpauloif [ "$CMD" = "P2P-CROSS-CONNECT-ENABLE" ]; then 65252190Srpaulo GIFNAME=$3 66252190Srpaulo UPLINK=$4 67252190Srpaulo # enable NAT/masquarade $GIFNAME -> $UPLINK 68252190Srpaulo iptables -P FORWARD DROP 69252190Srpaulo iptables -t nat -A POSTROUTING -o $UPLINK -j MASQUERADE 70252190Srpaulo iptables -A FORWARD -i $UPLINK -o $GIFNAME -m state --state RELATED,ESTABLISHED -j ACCEPT 71252190Srpaulo iptables -A FORWARD -i $GIFNAME -o $UPLINK -j ACCEPT 72252190Srpaulo sysctl net.ipv4.ip_forward=1 73252190Srpaulofi 74252190Srpaulo 75252190Srpauloif [ "$CMD" = "P2P-CROSS-CONNECT-DISABLE" ]; then 76252190Srpaulo GIFNAME=$3 77252190Srpaulo UPLINK=$4 78252190Srpaulo # disable NAT/masquarade $GIFNAME -> $UPLINK 79252190Srpaulo sysctl net.ipv4.ip_forward=0 80252190Srpaulo iptables -t nat -D POSTROUTING -o $UPLINK -j MASQUERADE 81252190Srpaulo iptables -D FORWARD -i $UPLINK -o $GIFNAME -m state --state RELATED,ESTABLISHED -j ACCEPT 82252190Srpaulo iptables -D FORWARD -i $GIFNAME -o $UPLINK -j ACCEPT 83252190Srpaulofi 84