Initial Commit
Jay
2 years ago
commit
31e2d1f931
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BSD 3-Clause License
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Copyright (c) 2023, Jay Moore
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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3. Neither the name of the copyright holder nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# HE Dynamic DNS Updater
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This script will update A and AAAA records on Hurricane Electric's DNS
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for hosts with DDNS enabled. It will pull your IPv4 from a source and
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your IPv6 from the local machine.
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It also includes two files, getv4.php and getv4.sh; which will allow
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you to run your own IP check service for IPv4 on a pfSense box if it
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also has the public v4 you want to use. If it's behind a bridge or
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DMZ, you'll have to use an external service.
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## Installation & Usage
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If you are using the pfSense IP Check Service, copy both the .sh and
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.php file in to /usr/local/www. It will be available at
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- https://[LAN.IP]/getv4.php
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- http://[LAN.IP]/getv4.php
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depending on if you use https or not.
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Copy hedyn.sh to your server using the hostname; then make a copy
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of it if you're updating/hosting multiple names. Edit the script
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with your hostname, APIKey, the device you want to use for IPv6,
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and which IPv4 check service you want to use. Add it to cron.
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The script will only update either v4 or v6 if the records don't
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match the machine's IP addresses.
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To use with just v4 or just v6; comment out the appropiate parts.
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## Caution
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This comes with no warranty. Any usage or modification to pfSense
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is done at your own risk.
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## Changelog
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```
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10-APR-2023: Initial Version
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```
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## License
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BSD 3-Clause License
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Copyright (c) 2023, Jay Moore
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
|
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1. Redistributions of source code must retain the above copyright notice, this
|
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list of conditions and the following disclaimer.
|
||||
|
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2. Redistributions in binary form must reproduce the above copyright notice,
|
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
|
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3. Neither the name of the copyright holder nor the names of its
|
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contributors may be used to endorse or promote products derived from
|
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this software without specific prior written permission.
|
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|
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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@ -0,0 +1,12 @@
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/*
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GetV4: Check IP Service for pfSense
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10-APR-2023 - dewdude@pickmy.org
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https://git.pickmy.org/dewdude/HEDyn
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*/
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// Place this file along with getv4.sh in /usr/local/www
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<?php
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$output = shell_exec('/usr/local/www/getv4.sh');
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echo "$output";
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?>
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#!/bin/sh
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# GetV4 IP Check Service for pfSense - shell script
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# APR-10-2023 - Jay Moore (dewdude@pickmy.org)
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# https://git.pickmy.org/dewdude/HEDyn
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# Modify "em0" to match your interface name. Place in
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# /usr/local/www along with getv4.php.
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# Make sure script is +x
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ifconfig em0 | grep inet | awk -F '[ \t]+|/' '{print $3}' | grep -v ^fe80
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@ -0,0 +1,36 @@
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#!/bin/bash
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# HEDDNS Update Script
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# 10-APR-2023 - Jay Moore (dewdude@pickmy.org)
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# https://git.pickmy.org/dewdude/HEDyn
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# FreeBSD 3-Clause License (see LICENSE)
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# Hostname & APIKey Configuration:
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hostname=DDNSHOSTNAME
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APIkey=HOSTNAMEAPIKEY
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# Set to your IPv6 Interface Name
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dev=eth0
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# One IP Check service returns just the ip; the other appends "Current IP Address:" we need to filter
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v4=$(curl -s http://freemyip.com/checkip)
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# v4=$(curl -s http://checkip.dyndns.org/ | awk -F '[:<>]' '/Current IP Address/{sub(/^[[:space:]]+/, "", $14); print $14}')
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# v4=$(curl -s http://192.168.1.1/getv4.php) # This uses my scripts on pfSense
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# Pull IPv6 from interface - Pulls first non-local v6 from specified device
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v6=$(/sbin/ip -6 addr show dev $dev | awk '/inet6/ && !/fe80|::1/ {print $2}' | cut -f1 -d'/')
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# Commands for curl
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curl="curl -s -S -q -f https://dyn.dns.he.net/nic/update -d hostname=$hostname -d password=$APIkey"
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v4cmd="-d myip=$v4"
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v6cmd="-d myip=$v6"
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# Puts current DNS records in to variable
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loadips(){
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A=$1
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AAAA=$2
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}
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loadips $(nslookup $hostname | awk '/^Address: / { print $2 }') # Gets current A and AAA recoreds
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[[ $v4 != $A ]] && $curl $v4cmd && echo "v4 Updated" # Update if different
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[[ $v6 != $AAAA ]] && $curl $v6cmd && echo "v6 Updated" # Update if different
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