Wireless network configuration parameters hidding

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Revisiting this nearly 6 months later…

After trying several things I ended up bringing back the substitution in the service script.

I created a custom wpa_supplicant module (based on the current one in nixpkgs) which:

  • disables the one builtin in NixOS using the disabledModules option
  • brings back two things from before the switch:
    • final config location in service runtime dir (ie. /run/wpa_supplicant/wpa_supplicant.conf)
    • secrets substitution in service script

I’m not very fond of awk (but yes, that’s because I lack knowledge of it) so I rewrote the substitution part in plain bash. It may not be very optimized but at least I understand the code and it works for my use case.

This is implemented in my repository here.

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