mirror of
https://github.com/vanhoefm/fragattacks.git
synced 2024-11-29 02:38:22 -05:00
70 lines
1.7 KiB
Bash
70 lines
1.7 KiB
Bash
|
#!/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/masquarade $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/masquarade $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
|