#!/bin/sh var1=$1 #set -x case $var1 in "bash" | "sh") echo $var1 exec "$@" ;; "tool") /app/anylink "$@" ;; *) sysctl -w net.ipv4.ip_forward=1 #iptables -t nat -A POSTROUTING -s "${IPV4_CIDR}" -o eth0+ -j MASQUERADE #iptables -nL -t nat exec /app/anylink "$@" ;; esac