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cloudflare-ip-ranges-updater.sh
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cloudflare-ip-ranges-updater.sh
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#!/bin/sh
# (The MIT License)
#
# Copyright (c) 2013 Mamadou Babaei
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
CLOUDFLARE_IP_RANGES_FILE_PATH="/usr/local/www/_include/cloudflare"
WWW_GROUP="www"
WWW_USER="www"
CLOUDFLARE_IPSV4_REMOTE_FILE="https://www.cloudflare.com/ips-v4"
CLOUDFLARE_IPSV6_REMOTE_FILE="https://www.cloudflare.com/ips-v6"
CLOUDFLARE_IPSV4_LOCAL_FILE="/var/tmp/cloudflare-ips-v4"
CLOUDFLARE_IPSV6_LOCAL_FILE="/var/tmp/cloudflare-ips-v6"
if [ -f /usr/bin/fetch ];
then
fetch $CLOUDFLARE_IPSV4_REMOTE_FILE --no-verify-hostname --no-verify-peer -o $CLOUDFLARE_IPSV4_LOCAL_FILE --quiet
fetch $CLOUDFLARE_IPSV6_REMOTE_FILE --no-verify-hostname --no-verify-peer -o $CLOUDFLARE_IPSV6_LOCAL_FILE --quiet
else
wget -q $CLOUDFLARE_IPSV4_REMOTE_FILE -O $CLOUDFLARE_IPSV4_LOCAL_FILE --no-check-certificate
wget -q $CLOUDFLARE_IPSV6_REMOTE_FILE -O $CLOUDFLARE_IPSV6_LOCAL_FILE --no-check-certificate
fi
echo "# CloudFlare IP Ranges" > $CLOUDFLARE_IP_RANGES_FILE_PATH
echo "# Generated at $(date) by $0" >> $CLOUDFLARE_IP_RANGES_FILE_PATH
echo "" >> $CLOUDFLARE_IP_RANGES_FILE_PATH
awk '{ print "set_real_ip_from " $0 ";" }' $CLOUDFLARE_IPSV4_LOCAL_FILE >> $CLOUDFLARE_IP_RANGES_FILE_PATH
awk '{ print "set_real_ip_from " $0 ";" }' $CLOUDFLARE_IPSV6_LOCAL_FILE >> $CLOUDFLARE_IP_RANGES_FILE_PATH
echo "real_ip_header CF-Connecting-IP;" >> $CLOUDFLARE_IP_RANGES_FILE_PATH
echo "" >> $CLOUDFLARE_IP_RANGES_FILE_PATH
chown $WWW_USER:$WWW_GROUP $CLOUDFLARE_IP_RANGES_FILE_PATH
rm -rf $CLOUDFLARE_IPSV4_LOCAL_FILE
rm -rf $CLOUDFLARE_IPSV6_LOCAL_FILE