bump:wireguard reactivating buttons and improvements

[enesoztrk]

Description of Changes

• Save conf files to WireGuard config path
• Remove button is fixed
• Export config files functionality implementation
• Better error handling
• appuser can only access the conf files
• Fix public key handling
• CLI args for config files' dir and ownership

Type of Change

• New Feature
• Bug Fix
• Improvement / Refactor

Related Issues / Tickets

Checklist

• Clear summary in PR description
• Detailed and meaningful commit message(s)
• Commits are logically organized and squashed if appropriate
• Contribution guidelines followed
• Ghaf documentation updated with the commit - https://tiiuae.github.io/ghaf/
• Author has run make-checks and it passes
• All automatic GitHub Action checks pass - see actions
• Author has added reviewers and removed PR draft status

Testing Instructions

Applicable Targets

• Orin AGX aarch64
• Orin NX aarch64
• Lenovo X1 x86_64
• Dell Latitude x86_64

Installation Method

• Requires full re-installation
• Can be updated with nixos-rebuild ... switch
• Other:

Test Steps To Verify:

1. Generate the base configuration by clicking the Generate Configs button.
2. Edit parameters (PublicKey, AllowedIps, Address,etc.) to pass same test procedure
3. Export the configuration by clicking the Export button.
4. Note that the configuration file can only be exported to under /home directory. (for example: /home/ghaf/)
5. Verify the ownership status of the exported configuration file; it should match the owner of the parent folder.
6. Attempt to remove the configuration by clicking the Remove button. A confirmation dialog should appear to request your confirmation.
7. Import the configuration using the Import Tunnel button.
8. You may repeat the procedures outlined in step 2.

[milva-unikie]

Tested on Lenovo-X1 (new image)

All good!

• Connection can be made using Wireguard
• Configs can be exported, removed and then imported again
• Test-automation passes