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OpenVPN configuration file CONVERTER for OpenWRT

This will CONVERT your ".OVPN" configuration files from ".ovpn" to something, which OpenWRT can work with. You can select (within this code) to create single CONF files for each of the OVPN files. (default is ONE BIG config file)

The current configuration will convert the ".ovpn" files into a config similar to "/etc/config/openvpn" and merge this config file with your existing "/etc/config/openvpn" file.

It will create crypto information from any of your ".ovpn" files (e.g. client.key / client.cert etc.) This information is copied out of the ".ovpn" files and put in separate files under a crypto directory

Once all that is done, it will "SFTP" (Secure Copy from Windows to Router using SSH) all files to the router. All files will land in "/etc/openvpn".

Then it will merge the created "openvpn.conf" files with your "/etc/config/openvpn" file

Why NOT use the NEW ,ovpn file upload feature within OpenWRT 19.07?

   This can process and upload MULTIPLE files at once.

   Easy to cut out functionality to REMOVE those configurations (see in VBA code)

   I had only 18.06 to work with a couple days ago ... thus whipped up this macro 
   (NO Upload feature available in 18.06)

Features:

  • Reads .ovpn files / extracts information / creates corresponding OpenWRT config file and insert it into /etc/config
  • Works with a directory FULL of separate .ovpn files
  • Creates individual files with KEY / CERT / AUTH info from ,ovpn files and stores them in CRYPTO dir
  • Tested with OpenWRT 18.06 (KongPRO) / PuTTY 0.70 / Excel 2016 /
  • "Plays" well on your systems, does not leave any crumbs behind.

WHAT YOU NEED:

  • EXCEL

  • current copy of PuTTY & TOOLS (plink / psftp): http://www.putty.org/ (Tested with Version: 0.70)

  • The OpenWRT router Version 18.06 (This is the one I tested this on. Other versions should probably work as well)

    WHY EXCEL?

    It provides an easy, interactive IDE.

    One could wrap this into a compiled exe ... just need to create some forms etc. to allow basic interactions (e.g. configure settings / start conversion etc.).

    If I would do it ... I would definitely have all settings in an external TXT file ...

    I work with Excel almost everyday ... so just adding another button to do some router magic is not a big deal :)

GET STARTED:

Create / Open an EMPTY Excel Workbook

Create a SIMPLE Macro within Excel ... just start recording a macro ...change a cell ... stop recording.
Make sure you have the macro STORED with the current / new workbook.

Once that is done, Exel will have created a MODULE with a simple macro.

Press ALT-11 to invoke the IDE 

look on your LEFT side, select the module1 which belongs to your just created workbook.

cut and paste the macro code from here into the module1 in excel.

CONFIRM / ADJUST the settings in this VBA module to YOUR environment

Execute the "Convert_OpenVPN_Config_Files" Macro

The FILES:

  • "Module1.bas" the EXPORTED VBA code file ... you might just IMPORT it into Excel
  • "OpenVPN Public.xls" is a Excel workbook in 97-2003 file format. Includes the VBA code ... access it with ALT-F11.

License

Apache License, Version 2.0