15 if [ $PID -gt 0 ]; then
16 if ps $PID | grep -q $NAME; then
23 if [ "$CMD" = "P2P-GROUP-STARTED" ]; then
25 if [ "$4" = "GO" ]; then
26 kill_daemon dhclient /var/run/dhclient-$GIFNAME.pid
27 rm /var/run/dhclient.leases-$GIFNAME
28 kill_daemon dnsmasq /var/run/dnsmasq.pid-$GIFNAME
29 ifconfig $GIFNAME 192.168.42.1 up
30 if ! dnsmasq -x /var/run/dnsmasq.pid-$GIFNAME \
32 -F192.168.42.11,192.168.42.99; then
33 # another dnsmasq instance may be running and blocking us; try to
34 # start with -z to avoid that
35 dnsmasq -x /var/run/dnsmasq.pid-$GIFNAME \
37 -F192.168.42.11,192.168.42.99 --listen-address 192.168.42.1 -z -p 0
40 if [ "$4" = "client" ]; then
41 kill_daemon dhclient /var/run/dhclient-$GIFNAME.pid
42 rm /var/run/dhclient.leases-$GIFNAME
43 kill_daemon dnsmasq /var/run/dnsmasq.pid-$GIFNAME
44 ipaddr=`echo "$*" | sed 's/.* ip_addr=\([^ ]*\).*/\1/'`
45 ipmask=`echo "$*" | sed 's/.* ip_mask=\([^ ]*\).*/\1/'`
46 goipaddr=`echo "$*" | sed 's/.* go_ip_addr=\([^ ]*\).*/\1/'`
47 if echo "$ipaddr$ipmask$goipaddr" | grep -q ' '; then
52 if [ -n "$ipaddr" ]; then
53 sudo ifconfig $GIFNAME "$ipaddr" netmask "$ipmask"
54 sudo ip ro re default via "$goipaddr"
57 dhclient -pf /var/run/dhclient-$GIFNAME.pid \
58 -lf /var/run/dhclient.leases-$GIFNAME \
64 if [ "$CMD" = "P2P-GROUP-REMOVED" ]; then
66 if [ "$4" = "GO" ]; then
67 kill_daemon dnsmasq /var/run/dnsmasq.pid-$GIFNAME
68 ifconfig $GIFNAME 0.0.0.0
70 if [ "$4" = "client" ]; then
71 kill_daemon dhclient /var/run/dhclient-$GIFNAME.pid
72 rm /var/run/dhclient.leases-$GIFNAME
73 ifconfig $GIFNAME 0.0.0.0
77 if [ "$CMD" = "P2P-CROSS-CONNECT-ENABLE" ]; then
80 # enable NAT/masquarade $GIFNAME -> $UPLINK
81 iptables -P FORWARD DROP
82 iptables -t nat -A POSTROUTING -o $UPLINK -j MASQUERADE
83 iptables -A FORWARD -i $UPLINK -o $GIFNAME -m state --state RELATED,ESTABLISHED -j ACCEPT
84 iptables -A FORWARD -i $GIFNAME -o $UPLINK -j ACCEPT
85 sysctl net.ipv4.ip_forward=1
88 if [ "$CMD" = "P2P-CROSS-CONNECT-DISABLE" ]; then
91 # disable NAT/masquarade $GIFNAME -> $UPLINK
92 sysctl net.ipv4.ip_forward=0
93 iptables -t nat -D POSTROUTING -o $UPLINK -j MASQUERADE
94 iptables -D FORWARD -i $UPLINK -o $GIFNAME -m state --state RELATED,ESTABLISHED -j ACCEPT
95 iptables -D FORWARD -i $GIFNAME -o $UPLINK -j ACCEPT