From 75935219c9b57ff717a99c908789885d3a8357ef Mon Sep 17 00:00:00 2001 From: Matthew McKinnon Date: Thu, 5 Jul 2018 11:44:53 +1000 Subject: [PATCH] Updated godaddy-ddns.sh script --- README.md | 0 godaddy-ddns.sh | 152 ++++++++++++++++++++++++++++++------------------ 2 files changed, 96 insertions(+), 56 deletions(-) mode change 100755 => 100644 README.md diff --git a/README.md b/README.md old mode 100755 new mode 100644 diff --git a/godaddy-ddns.sh b/godaddy-ddns.sh index 3dc9e4e..f51a33e 100755 --- a/godaddy-ddns.sh +++ b/godaddy-ddns.sh @@ -1,72 +1,112 @@ #!/bin/bash - -# This script is used to check and update your GoDaddy DNS server to the IP address of your current internet connection. -# Special thanks to mfox for his ps script -# https://github.com/markafox/GoDaddy_Powershell_DDNS +# GoDaddy.sh v1.0 by Nazar78 @ TeaNazaR.com +########################################### +# Simple DDNS script to update GoDaddy's DNS. Just schedule every 5mins in crontab. +# With options to run scripts/programs/commands on update failure/success. # -# First go to GoDaddy developer site to create a developer account and get your key and secret +# Requirements: +# - Bash - On LEDE/OpenWRT, opkg install bash +# - curl CLI - On Debian, apt-get install curl # -# https://developer.godaddy.com/getstarted -# Be aware that there are 2 types of key and secret - one for the test server and one for the production server -# Get a key and secret for the production server +# History: +# v1.0 - 20160513 - 1st release. # -# -#Create a godaddy_keys file with the lines -# -# KEY -# SECRET -# -# -#Update the first 4 variables with your information +# PS: Feel free to distribute but kindly retain the credits (-: +########################################### +# Begin settings +# Get the Production API key/secret from https://developer.godaddy.com/keys/. +# Ensure it's for "Production" as first time it's created for "Test". +#Key= +#Secret= -MAILTO="support@comprofix.com" -MAILFROM="support@comprofix.com" -SMTP="mail.comprofix.com" - -domain="comprofix.com" # your domain -name="home" # name of A record to update -key=$(cat /opt/scripts/godaddy_keys | grep KEY | awk '{ print $2 }') # key for godaddy developer API -secret=$(cat /opt/scripts//godaddy_keys | grep SECRET | awk '{ print $2 }') # secret for godaddy developer API +Key=A4vTD3PLEX1_G3C4VGGaDiha9BCZZc2ZpP +Secret=G3C6k2r1kAbKfMHnws3BAs -headers="Authorization: sso-key $key:$secret" +# Domain to update. +Domain=comprofix.com -# echo $headers +# Advanced settings - change only if you know what you're doing :-) +# Record type, as seen in the DNS setup page, default A. +Type=A -result=$(curl -s -X GET -H "$headers" "https://api.godaddy.com/v1/domains/$domain/records/A/$name") +# Record name, as seen in the DNS setup page, default @. +Name=home -# echo $result +# Time To Live in seconds, minimum default 600 (10mins). +# If your public IP seldom changes, set it to 3600 (1hr) or more for DNS servers cache performance. +TTL=600 -dnsIp=$(echo $result | grep -oE "\b([0-9]{1,3}\.){3}[0-9]{1,3}\b") +# Writable path to last known Public IP record cached. Best to place in tmpfs. +CachedIP=/tmp/current_ip -# DEBUG: Remove hash from below line -# echo "dnsIp:" $dnsIp +# External URL to check for current Public IP, must contain only a single plain text IP. +# Default http://api.ipify.org. +CheckURL=http://api.ipify.org -# Get public ip address there are several websites that can do this. -ret=$(curl -s GET "http://ipinfo.io/json") -currentIp=$(echo $ret | grep -oE "\b([0-9]{1,3}\.){3}[0-9]{1,3}\b") +# Optional scripts/programs/commands to execute on successful update. Leave blank to disable. +# This variable will be evaluated at runtime but will not be parsed for errors nor execution guaranteed. +# Take note of the single quotes. If it's a script, ensure it's executable i.e. chmod 755 ./script. +# Example: SuccessExec='/bin/echo "$(date): My public IP changed to ${PublicIP}!">>/var/log/GoDaddy.sh.log' +SuccessExec='' -# DEBUG: Remove hash from below line -# echo "currentIp:" $currentIp - - if [ $dnsIp != $currentIp ]; - then - # echo "Ips are not equal" - request='{"data":"'$currentIp'","ttl":600}' - # echo $request - nresult=$(curl -i -s -X PUT \ - -H "$headers" \ - -H "Content-Type: application/json" \ - -d $request "https://api.godaddy.com/v1/domains/$domain/records/A/$name") - # echo $nresult - - sendemail -o tls=no -s $SMTP -t $MAILTO -f "$name.$domain <$MAILFROM>" -u "$name.$domain IP has been updated" -m " - - $name.$domain IP has been updated - - $name.$domain IP is now: $currentIp - - - " -q +# Optional scripts/programs/commands to execute on update failure. Leave blank to disable. +# This variable will be evaluated at runtime but will not be parsed for errors nor execution guaranteed. +# Take note of the single quotes. If it's a script, ensure it's executable i.e. chmod 755 ./script. +# Example: FailedExec='/some/path/something-went-wrong.sh ${Update} && /some/path/email-script.sh ${PublicIP}' +FailedExec='' +# End settings +Curl=$(/usr/bin/which curl 2>/dev/null) +Touch=$(/usr/bin/which touch 2>/dev/null) +[ "${Curl}" = "" ] && +echo "Error: Unable to find 'curl CLI'." && exit 1 +[ -z "${Key}" ] || [ -z "${Secret}" ] && +echo "Error: Requires API 'Key/Secret' value." && exit 1 +[ -z "${Domain}" ] && +echo "Error: Requires 'Domain' value." && exit 1 +[ -z "${Type}" ] && Type=A +[ -z "${Name}" ] && Name=@ +[ -z "${TTL}" ] && TTL=600 +[ "${TTL}" -lt 600 ] && TTL=600 +${Touch} ${CachedIP} 2>/dev/null +[ $? -ne 0 ] && echo "Error: Can't write to ${CachedIP}." && exit 1 +[ -z "${CheckURL}" ] && CheckURL=http://api.ipify.org +echo -n "Checking current 'Public IP' from '${CheckURL}'..." +PublicIP=$(${Curl} -kLs ${CheckURL}) +if [ $? -eq 0 ] && [[ "${PublicIP}" =~ [0-9]{1,3}\.[0-9]{1,3} ]];then + echo "${PublicIP}!" +else + echo "Fail! ${PublicIP}" + eval ${FailedExec} + exit 1 fi +if [ "$(cat ${CachedIP} 2>/dev/null)" != "${PublicIP}" ];then + echo -n "Checking '${Domain}' IP records from 'GoDaddy'..." + Check=$(${Curl} -kLsH"Authorization: sso-key ${Key}:${Secret}" \ + -H"Content-type: application/json" \ + https://api.godaddy.com/v1/domains/${Domain}/records/${Type}/${Name} \ + 2>/dev/null|jq -r '.[0].data'>/dev/null) + if [ $? -eq 0 ] && [ "${Check}" = "${PublicIP}" ];then + echo -n ${Check}>${CachedIP} + echo -e "unchanged!\nCurrent 'Public IP' matches 'GoDaddy' records. No update required!" + else + echo -en "changed!\nUpdating '${Domain}'..." + Update=$(${Curl} -kLsXPUT -H"Authorization: sso-key ${Key}:${Secret}" \ + -H"Content-type: application/json" \ + https://api.godaddy.com/v1/domains/${Domain}/records/${Type}/${Name} \ + -d "[{\"data\":\"${PublicIP}\",\"ttl\":${TTL}}]" 2>/dev/null) + if [ $? -eq 0 ] && [ "${Update}" = "" ];then + echo -n ${PublicIP}>${CachedIP} + echo "Success!" + eval ${SuccessExec} + else + echo "Fail! ${Update}" + eval ${FailedExec} + exit 1 + fi + fi +else + echo "Current 'Public IP' matches 'Cached IP' recorded. No update required!" +fi +exit $?