ip-up.proxyarp

一个vpn源代码

#!/bin/sh
# ip-up <interface> <myaddr> <daemon-pid> <local> <remote> <arg>

umask 022
PATH=/sbin:/bin:/usr/sbin:/usr/bin

# just a logging example
now=`date "+%b %d %T"`
echo "$now UP   $*" >> /var/log/cipe.log

# Create/update PID file. Note: PKCIPE needs this.
echo "$3 $1" >/var/run/cipe/${6:-$1}.pid

# Proxy-ARP the peer's address on eth0
arp -i eth1 -Ds $5 eth1 pub

exit 0