| Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1 | #!/bin/sh |
| 2 | |
| 3 | IFNAME=$1 |
| 4 | CMD=$2 |
| 5 | |
| 6 | kill_daemon() { |
| 7 | NAME=$1 |
| 8 | PF=$2 |
| 9 | |
| 10 | if [ ! -r $PF ]; then |
| 11 | return |
| 12 | fi |
| 13 | |
| 14 | PID=`cat $PF` |
| 15 | if [ $PID -gt 0 ]; then |
| 16 | if ps $PID | grep -q $NAME; then |
| 17 | kill $PID |
| 18 | fi |
| 19 | fi |
| 20 | rm $PF |
| 21 | } |
| 22 | |
| 23 | if [ "$CMD" = "P2P-GROUP-STARTED" ]; then |
| 24 | GIFNAME=$3 |
| 25 | if [ "$4" = "GO" ]; then |
| 26 | kill_daemon udhcpc /var/run/udhcpc-$GIFNAME.pid |
| 27 | ifconfig $GIFNAME 192.168.42.1 up |
| 28 | udhcpd /etc/udhcpd-p2p.conf |
| 29 | fi |
| 30 | if [ "$4" = "client" ]; then |
| 31 | kill_daemon udhcpc /var/run/udhcpc-$GIFNAME.pid |
| 32 | kill_daemon udhcpd /var/run/udhcpd-$GIFNAME.pid |
| 33 | udhcpc -i $GIFNAME -p /var/run/udhcpc-$GIFNAME.pid \ |
| 34 | -s /etc/udhcpc.script |
| 35 | fi |
| 36 | fi |
| 37 | |
| 38 | if [ "$CMD" = "P2P-GROUP-REMOVED" ]; then |
| 39 | GIFNAME=$3 |
| 40 | if [ "$4" = "GO" ]; then |
| 41 | kill_daemon udhcpd /var/run/udhcpd-$GIFNAME.pid |
| 42 | ifconfig $GIFNAME 0.0.0.0 |
| 43 | fi |
| 44 | if [ "$4" = "client" ]; then |
| 45 | kill_daemon udhcpc /var/run/udhcpc-$GIFNAME.pid |
| 46 | ifconfig $GIFNAME 0.0.0.0 |
| 47 | fi |
| 48 | fi |
| 49 | |
| 50 | if [ "$CMD" = "P2P-CROSS-CONNECT-ENABLE" ]; then |
| 51 | GIFNAME=$3 |
| 52 | UPLINK=$4 |
| 53 | # enable NAT/masquarade $GIFNAME -> $UPLINK |
| 54 | iptables -P FORWARD DROP |
| 55 | iptables -t nat -A POSTROUTING -o $UPLINK -j MASQUERADE |
| 56 | iptables -A FORWARD -i $UPLINK -o $GIFNAME -m state --state RELATED,ESTABLISHED -j ACCEPT |
| 57 | iptables -A FORWARD -i $GIFNAME -o $UPLINK -j ACCEPT |
| 58 | sysctl net.ipv4.ip_forward=1 |
| 59 | fi |
| 60 | |
| 61 | if [ "$CMD" = "P2P-CROSS-CONNECT-DISABLE" ]; then |
| 62 | GIFNAME=$3 |
| 63 | UPLINK=$4 |
| 64 | # disable NAT/masquarade $GIFNAME -> $UPLINK |
| 65 | sysctl net.ipv4.ip_forward=0 |
| 66 | iptables -t nat -D POSTROUTING -o $UPLINK -j MASQUERADE |
| 67 | iptables -D FORWARD -i $UPLINK -o $GIFNAME -m state --state RELATED,ESTABLISHED -j ACCEPT |
| 68 | iptables -D FORWARD -i $GIFNAME -o $UPLINK -j ACCEPT |
| 69 | fi |