This is a simple project based on this post. The goal is to make it automatically update the pfsense configuration with the new certs as they expire. This requires two components. First is a method of generating valid SSL certificates. Second is the ability to update the pfsense configuration.
To accomplish the first task we're going to use the acme.sh tool to generate valid certificates. So install that and make sure it's working. For now, this tool doesn't do the initial installation of your certificate. You'll have to use the Certificate Manager outlined in the blog post. Once this is done you'll want to move on to the next step.
Download this project to somewhere on the your pfsense router. Once you have you'll want to set up a cron job to execute
the letsencrypt-cron-task.sh when your certificate is going to expire. An example is shown below.
0 0 * * * sh "/path/to/pfsense-letsencrypt-updater"/letsencrypt-cron-task.sh "www.example.com" "/config/config.xml" "Let's Encrypt Cert" "/path/to/pfsense-letsencrypt-updater/lpcu.php"
After that every time the cron job kicks off it will call the script passing in the correct values which will then backup the pfsense configuration file, make the necessary updates, and write the changes out. Lastly it will remove a cache file which should trigger pfsense to reload the configuration. If all goes well it should be pretty seamless.
Installation
git clone https://github.com/theshadow/pfsense-letsencrypt-updater
MIT License
Copyright (c) 2016 Xander Guzman
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