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# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
# Redirect TCP/IP traffic to all local addresses from one port to another
# Example: ip-redirect 80 8090
here=`echo "import os; print os.path.realpath('$0')" | python`; here=`dirname $here`
sport=$1
tport=$2
# Cleanup existing rules
sudo /sbin/iptables -t nat -S PREROUTING | grep "\-p tcp" | grep "\-\-dport $sport" | grep "\-j REDIRECT" | sed "s/^-A/-D/" | awk -F "\t" '{ printf "sudo /sbin/iptables -t nat %s\n", $1 }' | /bin/sh
sudo /sbin/iptables -t nat -S OUTPUT | grep "\-p tcp" | grep "\-\-dport $sport" | grep "\-j REDIRECT" | sed "s/^-A/-D/" | awk -F "\t" '{ printf "sudo /sbin/iptables -t nat %s\n", $1 }' | /bin/sh
# Redirect traffic
/sbin/ifconfig | grep "inet addr:" | awk -F ":" '{ print $2 }' | awk '{ print $1 }' | xargs -i $here/ip-redirect $sport $tport {}
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