Jayapal 8414223a96 CLOUDSTACK-5494: Fixed dns is open to public in VR
Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>
(cherry picked from commit 81994cf443ca64aead822ed1b3cf1c22d10bd9fe)
Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>
2015-02-06 15:31:13 +05:30

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#!/usr/bin/env bash
# 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.
usage() {
printf " %s <alias_count:ip:netmask;alias_count2:ip2:netmask2;....> \n" $(basename $0) >&2
}
source /root/func.sh
lock="biglock"
locked=$(getLockFile $lock)
if [ "$locked" != "1" ]
then
exit 1
fi
PORTS_CONF=/etc/apache2/ports.conf
PORTS_CONF_BAK=/etc/ports.conf.bak
FAIL_DIR=/etc/failure_config
CMDLINE=$(cat /var/cache/cloud/cmdline | tr '\n' ' ')
if [ ! -d "$FAIL_DIR" ]
then
mkdir "$FAIL_DIR"
fi
#bakup ports.conf
cp "$PORTS_CONF" "$PORTS_CONF_BAK"
domain=$(echo "$CMDLINE" | grep -o " domain=.* " | sed -e 's/domain=//' | awk '{print $1}')
setup_apache2() {
local ip=$1
logger -t cloud "Setting up apache web server for $ip"
cp /etc/apache2/sites-available/default /etc/apache2/sites-available/ipAlias.${ip}.meta-data
cp /etc/apache2/sites-available/default-ssl /etc/apache2/sites-available/ipAlias.${ip}-ssl.meta-data
cp /etc/apache2/ports.conf /etc/apache2/conf.d/ports.${ip}.meta-data.conf
sed -i -e "s/<VirtualHost.*>/<VirtualHost $ip:80>\nServerName $domain/" /etc/apache2/sites-available/ipAlias.${ip}.meta-data
sed -i -e "s/<VirtualHost.*>/<VirtualHost $ip:443>\nServerName $domain/" /etc/apache2/sites-available/ipAlias.${ip}-ssl.meta-data
sed -i -e "/NameVirtualHost .*:80/d" /etc/apache2/conf.d/ports.${ip}.meta-data.conf
sed -i -e "s/Listen .*:80/Listen $ip:80/g" /etc/apache2/conf.d/ports.${ip}.meta-data.conf
sed -i -e "s/Listen .*:443/Listen $ip:443/g" /etc/apache2/conf.d/ports.${ip}.meta-data.conf
ln -s /etc/apache2/sites-available/ipAlias.${ip}.meta-data /etc/apache2/sites-enabled/ipAlias.${ip}.meta-data
ln -s /etc/apache2/sites-available/ipAlias.${ip}-ssl.meta-data /etc/apache2/sites-enabled/ipAlias.${ip}-ssl.meta-data
}
var="$1"
cert="/root/.ssh/id_rsa.cloud"
config_ips=""
setDnsRules=0
while [ -n "$var" ]
do
var1=$(echo $var | cut -f1 -d "-")
alias_count=$( echo $var1 | cut -f1 -d ":" )
routerip=$(echo $var1 | cut -f2 -d ":")
netmask=$(echo $var1 | cut -f3 -d ":")
ifconfig eth0:$alias_count $routerip netmask $netmask up
setup_apache2 "$routerip"
config_ips="${config_ips}"$routerip":"
var=$( echo $var | sed "s/${var1}-//" )
setDnsRules=1
done
#restarting the apache server for the config to take effect.
service apache2 restart
result=$?
if [ "$result" -ne "0" ]
then
logger -t cloud "createIpAlias.sh: could not configure apache2 server"
logger -t cloud "createIpAlias.sh: reverting to the old config"
logger -t cloud "createIpAlias.sh: moving out the failure config to $FAIL_DIR"
while [ -n "$config_ips" ]
do
ip=$( echo $config_ips | cut -f1 -d ":" )
mv "/etc/apache2/sites-available/ipAlias.${ip}.meta-data" "$FAIL_DIR/ipAlias.${ip}.meta-data"
mv "/etc/apache2/sites-available/ipAlias.${ip}-ssl.meta-data" "$FAIL_DIR/ipAlias.${ip}-ssl.meta-data"
mv "/etc/apache2/conf.d/ports.${ip}.meta-data.conf" "$FAIL_DIR/ports.${ip}.meta-data.conf"
rm -f "/etc/apache2/sites-enabled/ipAlias.${ip}.meta-data"
rm -f "/etc/apache2/sites-enabled/ipAlias.${ip}-ssl.meta-data"
config_ips=$( echo $config_ips | sed "s/${ip}://" )
done
service apache2 restart
unlock_exit $result $lock $locked
fi
if [ "$setDnsRules" -eq 1 ]
then
//check wether chain exist
iptables-save -t filter | grep 'dnsIpAlias_allow'
if [ $? -eq 0 ]
then
iptables -F dnsIpAlias_allow
else
//if not exist create it
iptables -N dnsIpAlias_allow
iptables -A INPUT -i eth0 -p tcp --dport 53 -j dnsIpAlias_allow
iptables -A INPUT -i eth0 -p udp --dport 53 -j dnsIpAlias_allow
fi
for cidr in $(ip addr | grep eth0 | grep inet | awk '{print $2}');
do
iptables -A dnsIpAlias_allow -i eth0 -p tcp --dport 53 -s $cidr -j ACCEPT
iptables -A dnsIpAlias_allow -i eth0 -p udp --dport 53 -s $cidr -j ACCEPT
done
else
iptables -D INPUT -i eth0 -p tcp --dport 53 -j dnsIpAlias_allow
iptables -D INPUT -i eth0 -p udp --dport 53 -j dnsIpAlias_allow
iptables -X dnsIpAlias_allow
fi
#restaring the password service to enable it on the ip aliases
/etc/init.d/cloud-passwd-srvr restart
unlock_exit $? $lock $locked