desktop: add NetworkManager plugin for OpenVPN

.gitignore

@@ -0,0 +1,5 @@
+### Nix template
+# Ignore build outputs from performing a nix-build or `nix build` command
+result
+result-*
+

flake.lock

@@ -7,11 +7,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1748529677,
-        "narHash": "sha256-MJEX3Skt5EAIs/aGHD8/aXXZPcceMMHheyIGSjvxZN0=",
+        "lastModified": 1752062782,
+        "narHash": "sha256-Dod77HcIByOyfGLEJOgRxg2Fmk2Y5lVgMEcN/xVEt/8=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "da282034f4d30e787b8a10722431e8b650a907ef",
+        "rev": "bec8ff39811568eb7c8c8d1e2a1a476326748f51",
         "type": "github"
       },
       "original": {
@@ -43,11 +43,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1747663185,
-        "narHash": "sha256-Obh50J+O9jhUM/FgXtI3he/QRNiV9+J53+l+RlKSaAk=",
+        "lastModified": 1751903740,
+        "narHash": "sha256-PeSkNMvkpEvts+9DjFiop1iT2JuBpyknmBUs0Un0a4I=",
         "owner": "nix-community",
         "repo": "nixos-generators",
-        "rev": "ee07ba0d36c38e9915c55d2ac5a8fb0f05f2afcc",
+        "rev": "032decf9db65efed428afd2fa39d80f7089085eb",
         "type": "github"
       },
       "original": {
@@ -58,11 +58,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1748370509,
-        "narHash": "sha256-QlL8slIgc16W5UaI3w7xHQEP+Qmv/6vSNTpoZrrSlbk=",
+        "lastModified": 1751984180,
+        "narHash": "sha256-LwWRsENAZJKUdD3SpLluwDmdXY9F45ZEgCb0X+xgOL0=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "4faa5f5321320e49a78ae7848582f684d64783e9",
+        "rev": "9807714d6944a957c2e036f84b0ff8caf9930bc0",
         "type": "github"
       },
       "original": {

flake.nix

@@ -27,6 +27,8 @@
   outputs = { self, nixpkgs, home-manager, plasma-manager, nixos-generators, secrix }:
   let
     hmModule = file: {
+      imports = [ home-manager.nixosModules.home-manager ];
+
       home-manager.useGlobalPkgs = true;
       home-manager.useUserPackages = true;
       home-manager.sharedModules = [ plasma-manager.homeManagerModules.plasma-manager ];
@@ -35,6 +37,19 @@
       # Optionally, use home-manager.extraSpecialArgs to pass
       # arguments to home.nix
     };
+
+    mkRouter = hostFile: nixpkgs.lib.nixosSystem {
+      system = "x86_64-linux";
+      modules = [
+        secrix.nixosModules.default
+        ./modules
+        ./modules/router
+        ./hosts/common.nix
+        hostFile
+        ./users/cazzzer
+        (hmModule ./home/common.nix)
+      ];
+    };
   in
   {
     apps.x86_64-linux.secrix = secrix.secrix self;
@@ -49,7 +64,6 @@
           ./hosts/Yura-PC
           ./users/cazzzer
           # https://nix-community.github.io/home-manager/index.xhtml#sec-flakes-nixos-module
-          home-manager.nixosModules.home-manager
           (hmModule ./home/cazzzer-pc.nix)
         ];
       };
@@ -62,7 +76,6 @@
           ./hosts/Yura-TPX13
           ./users/cazzzer
           # https://nix-community.github.io/home-manager/index.xhtml#sec-flakes-nixos-module
-          home-manager.nixosModules.home-manager
           (hmModule ./home/cazzzer-laptop.nix)
         ];
       };
@@ -74,18 +87,12 @@
           ./hosts/hw-vm.nix
           ./hosts/vm
           ./users/cazzzer
+          (hmModule ./home/cazzzer-pc.nix)
         ];
       };
-      router = nixpkgs.lib.nixosSystem {
-        system = "x86_64-linux";
-        modules = [
-          secrix.nixosModules.default
-          ./modules
-          ./hosts/common.nix
-          ./hosts/router
-          ./users/cazzzer
-        ];
-      };
+      router = mkRouter ./hosts/router;
+      router-1 = mkRouter ./hosts/router-1;
+      router-2 = mkRouter ./hosts/router-2;
     };
     # https://github.com/nix-community/nixos-generators?tab=readme-ov-file#using-in-a-flake
     packages.x86_64-linux = {
@@ -97,6 +104,7 @@
           ./hosts/hw-proxmox.nix
           ./hosts/vm
           ./users/cazzzer
+          (hmModule ./home/cazzzer-pc.nix)
         ];
         format = "proxmox";
       };
@@ -109,6 +117,7 @@
             ./hosts/hw-proxmox.nix
             ./hosts/vm
             ./users/cazzzer
+            (hmModule ./home/cazzzer-pc.nix)
           ];
         };
       in

home/cazzzer-laptop.nix

@@ -2,7 +2,8 @@
 
 {
   imports = [
-    ./modules
+    ./common.nix
+    ./common-desktop.nix
   ];
 
   programs.plasma = {

home/cazzzer-pc.nix

@@ -2,7 +2,8 @@
 
 {
   imports = [
-    ./modules
+    ./common.nix
+    ./common-desktop.nix
   ];
 
   programs.plasma.kwin.virtualDesktops.number = 2;

home/common-desktop.nix

@@ -0,0 +1,21 @@
+{ config, lib, pkgs, ... }:
+{
+  imports = [
+    ./modules/starship.nix
+    ./modules/plasma.nix
+  ];
+
+  services.darkman = {
+    enable = true;
+    settings = {
+      lat = 37.3387;
+      lng = -121.8853;
+    };
+    lightModeScripts = {
+      plasma-color = "plasma-apply-colorscheme BreezeLight";
+    };
+    darkModeScripts = {
+      plasma-color = "plasma-apply-colorscheme BreezeDark";
+    };
+  };
+}

home/common.nix

@@ -0,0 +1,32 @@
+{ config, lib, pkgs, ... }:
+let
+  username = "cazzzer";
+in
+{
+  imports = [
+    ./modules/fish.nix
+    ./modules/git.nix
+  ];
+
+  # Home Manager needs a bit of information about you and the paths it should
+  # manage.
+  home.username = username;
+  home.homeDirectory = "/home/${username}";
+
+  # Let Home Manager install and manage itself.
+  programs.home-manager.enable = true;
+
+  home.sessionVariables = {
+    EDITOR = "micro";
+    SHELL = "fish";
+  };
+
+  # This value determines the Home Manager release that your configuration is
+  # compatible with. This helps avoid breakage when a new Home Manager release
+  # introduces backwards incompatible changes.
+  #
+  # You should not change this value, even if you update Home Manager. If you do
+  # want to update the value, then make sure to first check the Home Manager
+  # release notes.
+  home.stateVersion = "24.11"; # Please read the comment before changing.
+}

home/modules/default.nix

@@ -1,83 +0,0 @@
-{ config, lib, pkgs, ... }:
-let
-  username = "cazzzer";
-in
-{
-  imports = [
-    ./fish.nix
-    ./starship.nix
-    ./plasma.nix
-  ];
-
-  # Home Manager needs a bit of information about you and the paths it should
-  # manage.
-  home.username = username;
-  home.homeDirectory = "/home/${username}";
-
-  # Let Home Manager install and manage itself.
-  programs.home-manager.enable = true;
-
-  home.sessionVariables = {
-    EDITOR = "micro";
-    SHELL = "fish";
-  };
-
-  services.darkman = {
-    enable = true;
-    settings = {
-      lat = 37.3387;
-      lng = -121.8853;
-    };
-    lightModeScripts = {
-      plasma-color = "plasma-apply-colorscheme BreezeLight";
-    };
-    darkModeScripts = {
-      plasma-color = "plasma-apply-colorscheme BreezeDark";
-    };
-  };
-
-  # This value determines the Home Manager release that your configuration is
-  # compatible with. This helps avoid breakage when a new Home Manager release
-  # introduces backwards incompatible changes.
-  #
-  # You should not change this value, even if you update Home Manager. If you do
-  # want to update the value, then make sure to first check the Home Manager
-  # release notes.
-  home.stateVersion = "24.11"; # Please read the comment before changing.
-
-  # The home.packages option allows you to install Nix packages into your
-  # environment.
-  # home.packages = [
-    # # Adds the 'hello' command to your environment. It prints a friendly
-    # # "Hello, world!" when run.
-    # pkgs.hello
-
-    # # It is sometimes useful to fine-tune packages, for example, by applying
-    # # overrides. You can do that directly here, just don't forget the
-    # # parentheses. Maybe you want to install Nerd Fonts with a limited number of
-    # # fonts?
-    # (pkgs.nerdfonts.override { fonts = [ "FantasqueSansMono" ]; })
-
-    # # You can also create simple shell scripts directly inside your
-    # # configuration. For example, this adds a command 'my-hello' to your
-    # # environment:
-    # (pkgs.writeShellScriptBin "my-hello" ''
-    #   echo "Hello, ${config.home.username}!"
-    # '')
-  # ];
-
-  # Home Manager is pretty good at managing dotfiles. The primary way to manage
-  # plain files is through 'home.file'.
-  # home.file = {
-    # # Building this configuration will create a copy of 'dotfiles/screenrc' in
-    # # the Nix store. Activating the configuration will then make '~/.screenrc' a
-    # # symlink to the Nix store copy.
-    # ".screenrc".source = dotfiles/screenrc;
-
-    # # You can also set the file content immediately.
-    # ".gradle/gradle.properties".text = ''
-    #   org.gradle.console=verbose
-    #   org.gradle.daemon.idletimeout=3600000
-    # '';
-  # };
-}

home/modules/git.nix

@@ -0,0 +1,64 @@
+{ config, lib, pkgs, ... }:
+let
+  name = "Yuri Tatishchev";
+  email = "itatishch@gmail.com";
+  signingKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIE02AhJIZtrtZ+5sZhna39LUUCEojQzmz2BDWguT9ZHG";
+in
+{
+  programs.git = {
+    enable = true;
+
+    userName = name;
+    userEmail = email;
+
+    signing = {
+      key = signingKey;
+      signByDefault = true;
+      format = "ssh";
+    };
+
+    aliases = {
+      co = "checkout";
+      s = "switch";
+    };
+
+    extraConfig = {
+      url = {
+        "https://gitea.cazzzer.com/" = {
+          insteadOf = "caztea:";
+        };
+        "https://github.com/" = {
+          insteadOf = "github:";
+        };
+      };
+
+      core = {
+        autocrlf = "input";
+        editor = "micro";
+      };
+
+      color = {
+        ui = true;
+      };
+
+      pull = {
+        ff = "only";
+      };
+
+      filter.lfs = {
+        clean = "git-lfs clean -- %f";
+        smudge = "git-lfs smudge -- %f";
+        process = "git-lfs filter-process";
+        required = true;
+      };
+
+      credential = {
+        helper = "libsecret";
+      };
+
+      merge = {
+        conflictStyle = "zdiff3";
+      };
+    };
+  };
+}

hosts/Yura-PC/hardware-configuration.nix

@@ -18,6 +18,11 @@
       fsType = "zfs";
     };
 
+  fileSystems."/nix" =
+    { device = "zroot/data/nix";
+      fsType = "zfs";
+    };
+
   fileSystems."/boot" =
     { device = "/dev/disk/by-uuid/970C-6A15";
       fsType = "vfat";

hosts/common-desktop.nix

@@ -7,7 +7,7 @@
     "sysrq_always_enabled=1"
   ];
 
-  boot.kernelPackages = pkgs.linuxKernel.packages.linux_6_14;
+  boot.kernelPackages = pkgs.linuxKernel.packages.linux_6_15;
   boot.loader = {
     efi.canTouchEfiVariables = true;
     timeout = 3;
@@ -24,6 +24,9 @@
 
   # Enable networking
   networking.networkmanager.enable = true;
+  networking.networkmanager.plugins = [
+    pkgs.networkmanager-openvpn
+  ];
 
   # Enable the X11 windowing system.
   # You can disable this if you're only using the Wayland session.
@@ -107,6 +110,7 @@
     jq
     ldns
     mediainfo
+    powertop
     rbw
     restic
     resticprofile
@@ -114,6 +118,7 @@
     ripgrep-all
     rustscan
     whois
+    wireguard-tools
     yt-dlp
   ] ++ [
     bitwarden-desktop

hosts/router-1/default.nix

@@ -0,0 +1,24 @@
+{
+  imports = [
+    ../hw-vm.nix
+  ];
+
+  router = {
+    enableDesktop = false;
+    enableDhcpClient = false;
+    wanMAC = "bc:24:11:af:bd:84";
+    lanMAC = "bc:24:11:38:b1:91";
+    wanLL = "fe80::be24:11ff:feaf:bd84";
+    lanLL = "fe80::be24:11ff:fe38:b191";
+    defaultToken = 251;
+
+    pdFromWan = "fd46:fbbe:ca55:100";
+    wanAddr4 = "192.168.1.63";
+    wanGw4 = "192.168.1.254";
+  };
+
+  networking.hostName = "grouty";
+
+  # override hw-vm.nix default
+  networking.useDHCP = false;
+}

hosts/router-2/default.nix

@@ -0,0 +1,24 @@
+{
+  imports = [
+    ../hw-vm.nix
+  ];
+
+  router = {
+    enableDesktop = false;
+    enableDhcpClient = false;
+    wanMAC = "bc:24:11:bc:db:c1";
+    lanMAC = "bc:24:11:19:2a:96";
+    wanLL = "fe80::be24:11ff:febc:dbc1";
+    lanLL = "fe80::be24:11ff:fe19:2a96";
+    defaultToken = 252;
+
+    pdFromWan = "fd46:fbbe:ca55:100";
+    wanAddr4 = "192.168.1.64";
+    wanGw4 = "192.168.1.254";
+  };
+
+  networking.hostName = "grouta";
+
+  # override hw-vm.nix default
+  networking.useDHCP = false;
+}

hosts/router/default.nix

@@ -1,89 +1,18 @@
-{ config, lib, pkgs, ... }:
-let
-  vars = import ./vars.nix;
-  enableDesktop = false;
-in
 {
-  imports =
-    [ # Include the results of the hardware scan.
-      ./hardware-configuration.nix
-      ./ifconfig.nix
-      ./firewall.nix
-      ./dns.nix
-      ./kea.nix
-      ./glance.nix
-      ./services.nix
-    ];
-  # Secrix for secrets management
-  secrix.hostPubKey = vars.pubkey;
-
-  # Bootloader.
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = false;
-  boot.kernelParams = [
-    "sysrq_always_enabled=1"
+  imports = [
+    ./hardware-configuration.nix
+    ./private.nix
   ];
 
-  boot.loader.timeout = 2;
-  boot.loader.systemd-boot.configurationLimit = 5;
-  boot.kernelPackages = pkgs.linuxKernel.packages.linux_6_12;
-  boot.growPartition = true;
+  router = {
+    enableDesktop = false;
+    enableDhcpClient = true;
+    wanMAC = "bc:24:11:4f:c9:c4";
+    lanMAC = "bc:24:11:83:d8:de";
+    wanLL = "fe80::be24:11ff:fe4f:c9c4";
+    lanLL = "fe80::be24:11ff:fe83:d8de";
+    defaultToken = 1;
+  };
 
   networking.hostName = "grouter";
-
-  # Enable the X11 windowing system.
-  # You can disable this if you're only using the Wayland session.
-  services.xserver.enable = false;
-
-  # Enable the KDE Plasma Desktop Environment.
-  # Useful for debugging with wireshark.
-  hardware.graphics.enable = true;
-  services.displayManager.sddm.enable = enableDesktop;
-  services.displayManager.sddm.wayland.enable = enableDesktop;
-  services.desktopManager.plasma6.enable = enableDesktop;
-  # No need for audio in VM
-  services.pipewire.enable = false;
-
-  # VM services
-  services.qemuGuest.enable = true;
-  services.spice-vdagentd.enable = true;
-
-  security.sudo.wheelNeedsPassword = false;
-
-  programs.firefox.enable = true;
-  programs.fish.enable = true;
-  programs.git.enable = true;
-  programs.neovim.enable = true;
-  programs.bat.enable = true;
-  programs.htop.enable = true;
-  programs.wireshark.enable = true;
-  programs.wireshark.package = pkgs.wireshark; # wireshark-cli by default
-
-  environment.systemPackages = with pkgs; [
-    dust
-    eza
-    fastfetch
-    fd
-    kdePackages.kate
-    ldns
-    lsof
-    micro
-    mpv
-    openssl
-    ripgrep
-    rustscan
-    starship
-    tealdeer
-    transcrypt
-    waypipe
-    whois
-  ];
-
-  # This value determines the NixOS release from which the default
-  # settings for stateful data, like file locations and database versions
-  # on your system were taken. It‘s perfectly fine and recommended to leave
-  # this value at the release version of the first install of this system.
-  # Before changing this value read the documentation for this option
-  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
-  system.stateVersion = "24.11"; # Did you read the comment?
 }

hosts/router/private.nix

@@ -1,2 +1,3 @@
-U2FsdGVkX1/98w32OE1ppwT0I5A3UOTKCLJfvk+TQdrbf0TLfYNZ9TC9n8cH2hC9
-ObKVuFlOLwHlzeBy7MXaLg==
+U2FsdGVkX1+eMFkQxarJDGLkX0zXyMRPukeRNvzd/BJ0XDAUZ2EeZvQnZw8U53Xz
+W97X4rvT+K/NQ7FVCYfOg1XpQhzlSiC9z1M4WLmPRutUgsDY5n5RFJu2R8K5DAfi
+sAPcxiQUGVKrmDUva16yNqoR2Dkx2XE9iW1hpkfGFYVUK+QKIBkUEowQQlJJ1Wg1

modules/router/default.nix

@@ -0,0 +1,92 @@
+{ config, lib, pkgs, ... }:
+let
+  vars = import ./vars.nix config;
+  enableDesktop = config.router.enableDesktop;
+in
+{
+  imports =
+    [ # Include the results of the hardware scan.
+      ./opts.nix
+      ./ifconfig.nix
+      ./wireguard.nix
+      ./firewall.nix
+      ./dns.nix
+      ./kea.nix
+      ./glance.nix
+      ./services.nix
+    ];
+  # Secrix for secrets management
+  secrix.hostPubKey = vars.pubkey;
+
+  # Bootloader.
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = false;
+  boot.kernelParams = [
+    "sysrq_always_enabled=1"
+  ];
+
+  boot.loader.timeout = 2;
+  boot.loader.systemd-boot.configurationLimit = 5;
+  boot.kernelPackages = pkgs.linuxKernel.packages.linux_6_12;
+  boot.growPartition = true;
+
+  # Enable the X11 windowing system.
+  # You can disable this if you're only using the Wayland session.
+  services.xserver.enable = false;
+
+  # Enable the KDE Plasma Desktop Environment.
+  # Useful for debugging with wireshark.
+  hardware.graphics.enable = true;
+  services.xserver.desktopManager.xfce.enable = enableDesktop;
+  services.xserver.desktopManager.xfce.enableWaylandSession = enableDesktop;
+  # services.displayManager.sddm.enable = enableDesktop;
+  # services.displayManager.sddm.wayland.enable = enableDesktop;
+  # services.desktopManager.plasma6.enable = enableDesktop;
+  # No need for audio in VM
+  services.pipewire.enable = false;
+
+  # VM services
+  services.qemuGuest.enable = true;
+  services.spice-vdagentd.enable = true;
+
+  security.sudo.wheelNeedsPassword = false;
+
+  programs.firefox.enable = true;
+  programs.fish.enable = true;
+  programs.git.enable = true;
+  programs.neovim.enable = true;
+  programs.bat.enable = true;
+  programs.htop.enable = true;
+  programs.wireshark.enable = true;
+  programs.wireshark.package = pkgs.wireshark; # wireshark-cli by default
+
+  environment.systemPackages = with pkgs; [
+    dust
+    eza
+    fastfetch
+    fd
+    kdePackages.kate
+    ldns
+    lsof
+    micro
+    mpv
+    openssl
+    ripgrep
+    rustscan
+    starship
+    tealdeer
+    transcrypt
+    wakeonlan
+    waypipe
+    whois
+    wireguard-tools
+  ];
+
+  # This value determines the NixOS release from which the default
+  # settings for stateful data, like file locations and database versions
+  # on your system were taken. It‘s perfectly fine and recommended to leave
+  # this value at the release version of the first install of this system.
+  # Before changing this value read the documentation for this option
+  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
+  system.stateVersion = "24.11"; # Did you read the comment?
+}

modules/router/dns.nix

@@ -1,6 +1,6 @@
 { config, lib, pkgs, ... }:
 let
-  vars = import ./vars.nix;
+  vars = import ./vars.nix config;
   domain = vars.domain;
   ldomain = vars.ldomain;
   sysdomain = vars.sysdomain;
@@ -44,10 +44,12 @@ in
   services.adguardhome.mutableSettings = false;
   # https://github.com/AdguardTeam/Adguardhome/wiki/Configuration
   services.adguardhome.settings = {
+    querylog.interval = "168h"; # 7 days
     dns = {
       # Disable rate limit, default of 20 is too low
       # https://github.com/AdguardTeam/AdGuardHome/issues/6726
       ratelimit = 0;
+      enable_dnssec = true;
       bootstrap_dns = [ "1.1.1.1" "9.9.9.9" ];
       upstream_dns = [
         # Default upstreams
@@ -78,11 +80,14 @@ in
       "|etappi.${sysdomain}^$dnsrewrite=${ifs.lan.p4}.12"
       "|etappi.${sysdomain}^$dnsrewrite=${ifs.lan.ulaPrefix}::12:1"
 
+      "|hass.${domain}^$dnsrewrite=${ifs.lan.ulaAddr}"
+
       # Lab DNS rewrites
       "||lab.${domain}^$dnsrewrite=etappi.${sysdomain}"
 
       # Allowed exceptions
       "@@||googleads.g.doubleclick.net"
+      "@@||stats.grafana.org"
     ]
       # Alpina DNS rewrites
       ++ map (host: "${host}${domain}^$dnsrewrite=debbi.${sysdomain}") alpinaDomains;

modules/router/firewall.nix

@@ -1,6 +1,6 @@
 { config, lib, pkgs, ... }:
 let
-  vars = import ./vars.nix;
+  vars = import ./vars.nix config;
   links = vars.links;
   ifs = vars.ifs;
   pdFromWan = vars.pdFromWan;
@@ -13,6 +13,7 @@ let
         ${ifs.lan30.name},
         ${ifs.lan40.name},
         ${ifs.lan50.name},
+        ${ifs.wg0.name},
     }
     define OPNSENSE_NET6 = ${vars.extra.opnsense.net6}
     define ZONE_LAN_EXTRA_NET6 = {
@@ -46,7 +47,15 @@ in
       map port_forward {
           type inet_proto . inet_service : ipv4_addr . inet_service
           elements = {
-              tcp . 8006 : ${ifs.lan50.p4}.10 . 8006
+              tcp . 8006 : ${ifs.lan50.p4}.10 . 8006,
+              # opnsense vpn endpoints
+              # the plan is to maybe eventually move these to nixos
+              udp . 18596 : ${vars.extra.opnsense.addr4} . 18596,
+              udp . 48512 : ${vars.extra.opnsense.addr4} . 48512,
+              udp . 40993 : ${vars.extra.opnsense.addr4} . 40993,
+              udp . 45608 : ${vars.extra.opnsense.addr4} . 45608,
+              udp . 35848 : ${vars.extra.opnsense.addr4} . 35848,
+              udp . 48425 : ${vars.extra.opnsense.addr4} . 48425,
           }
       }
 
@@ -85,8 +94,10 @@ in
     family = "inet";
     content = ''
       ${nftIdentifiers}
-      define ALLOWED_TCP_PORTS = { ssh, https }
-      define ALLOWED_UDP_PORTS = { bootps, dhcpv6-server, domain, https }
+      define ALLOWED_TCP_PORTS = { ssh }
+      define ALLOWED_UDP_PORTS = { ${toString vars.ifs.wg0.listenPort} }
+      define ALLOWED_TCP_LAN_PORTS = { ssh, https }
+      define ALLOWED_UDP_LAN_PORTS = { bootps, dhcpv6-server, domain, https }
       set port_forward_v6 {
           type inet_proto . ipv6_addr . inet_service
           elements = {
@@ -133,6 +144,10 @@ in
           # but apparently not.
           ip6 daddr { fe80::/10, ff02::/16 } th dport { dhcpv6-client, dhcpv6-server } accept
 
+          # Global input rules
+          tcp dport $ALLOWED_TCP_PORTS accept
+          udp dport $ALLOWED_UDP_PORTS accept
+
           # WAN zone input rules
           iifname $ZONE_WAN_IFS jump zone_wan_input
           # LAN zone input rules
@@ -157,8 +172,7 @@ in
       }
 
       chain zone_wan_input {
-          # Allow SSH from WAN (if needed)
-          tcp dport ssh accept
+          # Allow specific stuff from WAN
       }
 
       chain zone_wan_forward {
@@ -180,8 +194,8 @@ in
           ip protocol icmp accept
 
           # Allow specific services from LAN
-          tcp dport $ALLOWED_TCP_PORTS accept
-          udp dport $ALLOWED_UDP_PORTS accept
+          tcp dport $ALLOWED_TCP_LAN_PORTS accept
+          udp dport $ALLOWED_UDP_LAN_PORTS accept
       }
 
       chain zone_lan_forward {

modules/router/glance.nix

@@ -1,6 +1,6 @@
 { config, lib, pkgs, ... }:
 let
-  vars = import ./vars.nix;
+  vars = import ./vars.nix config;
   domain = vars.domain;
 in
 {

modules/router/ifconfig.nix

@@ -1,6 +1,7 @@
 { config, lib, pkgs, ... }:
 let
-  vars = import ./vars.nix;
+  cfg = config.router;
+  vars = import ./vars.nix config;
   links = vars.links;
   ifs = vars.ifs;
   pdFromWan = vars.pdFromWan;
@@ -57,7 +58,7 @@ in
   # https://github.com/systemd/systemd/issues/22571
   # https://github.com/systemd/systemd/issues/22571#issuecomment-2094905496
   # https://gist.github.com/csamsel/0f8cca3b2e64d7e4cc47819ec5ba9396
-  networking.dhcpcd.enable = true;
+  networking.dhcpcd.enable = cfg.enableDhcpClient;
   networking.dhcpcd.allowInterfaces = [ ifs.wan.name ];
   networking.dhcpcd.extraConfig = ''
     debug
@@ -83,7 +84,7 @@ in
       ia_pd 30/${ifs.lan30.net6} -
       ia_pd 40/${ifs.lan40.net6} -
       ia_pd 50/${ifs.lan50.net6} -
-      # ia_pd 7 -
+      ia_pd 100/${pdFromWan}9::/64 -  # for vpn stuff
       # ia_pd 8 -
 
       # the leases can be assigned to the interfaces,

modules/router/kea.nix

@@ -1,6 +1,6 @@
 { config, lib, pkgs, ... }:
 let
-  vars = import ./vars.nix;
+  vars = import ./vars.nix config;
   ldomain = vars.ldomain;
   ifs = vars.ifs;
 

modules/router/opts.nix

@@ -0,0 +1,69 @@
+{ lib, config, ... }:
+
+with lib;
+
+{
+  options = {
+    router = {
+      enableDesktop = mkOption {
+        type = types.bool;
+        default = false;
+        description = "Enable desktop environment for debugging";
+      };
+
+      enableDhcpClient = mkOption {
+        type = types.bool;
+        default = false;
+        description = "Enable DHCP client (should only be set on the main router)";
+      };
+
+      wanMAC = mkOption {
+        type = types.str;
+        example = "bc:24:11:4f:c9:c4";
+        description = "WAN interface MAC address";
+      };
+
+      lanMAC = mkOption {
+        type = types.str;
+        example = "bc:24:11:83:d8:de";
+        description = "LAN interface MAC address";
+      };
+
+      wanLL = mkOption {
+          type = types.str;
+          example = "fe80::be24:11ff:fe4f:c9c4";
+          description = "WAN IPv6 link-local address";
+      };
+
+      lanLL = mkOption {
+          type = types.str;
+          example = "fe80::be24:11ff:fe83:d8de";
+          description = "LAN IPv6 link-local address";
+      };
+
+      defaultToken = mkOption {
+        type = types.int;
+        default = 1;
+        description = "Default token for interface addressing";
+      };
+
+      wanAddr4 = mkOption {
+        type = types.str;
+        example = "192.168.1.61";
+        description = "WAN IPv4 address";
+      };
+
+      wanGw4 = mkOption {
+        type = types.str;
+        example = "192.168.1.254";
+        description = "WAN IPv4 gateway";
+      };
+
+      pdFromWan = mkOption {
+        type = types.str;
+        example = "2001:db8:0:000";
+        description = "IPv6 prefix delegation from ISP (/60)";
+      };
+    };
+  };
+}

modules/router/secrets/wireguard/wg0-peer-Yura-TPX13-psk.age

@@ -0,0 +1,5 @@
+age-encryption.org/v1
+-> ssh-ed25519 D2MY/A cRVo1AetNYKsb28kGpe6mVpoCyfNcRibeBYhJuXbbEY
+k8XL4XEv4FM6sfU/TOFTg4vlKm61409No/TpCEjTnSk
+--- mT9w1vnx2FrzWw+Zt1wV6UJ+mjHTizrUPVeaTisYQ74
+=—q-SoÁÚpn„”§ÆöIÿ•þZÖ i˜'ƒÖÓ"%M©®¯C&
ñ–ÿá«K-<2D>E>‹¹ˆ»ûg–BæfXßñ×I¶?@÷D@<40>q®ñ

modules/router/secrets/wireguard/wg0-private-key.age

@@ -0,0 +1,5 @@
+age-encryption.org/v1
+-> ssh-ed25519 D2MY/A Xg7XTl/qJqVqvXsHNKcoICq74DeOlquN1CEn1PwxlVY
+FqmPdDgmuUrwZPLW56RhW8o1VXr5l2Xms6IVebpi7bA
+--- nLT/bC55EvoXK6f7DYbMhD3I8Z122bxeGVw1PCds2IM
+!×ûãDlµêôñ°Ý;ÉûKXq8ï4”œ©‰+b‚·p_q4Bý³'8–%þcI„„D±tÓ<0C>ƒV~;v*ÆúW·-¹,[´tÝ‘ì

modules/router/services.nix

@@ -1,6 +1,6 @@
 { config, lib, pkgs, ... }:
 let
-  vars = import ./vars.nix;
+  vars = import ./vars.nix config;
   domain = vars.domain;
 in
 {
@@ -52,33 +52,42 @@ in
     };
   };
 
-  secrix.system.secrets.cf-api-key.encrypted.file = ../../secrets/cf_api_key.age;
+  secrix.system.secrets.cf-api-key.encrypted.file = ./secrets/cf-api-key.age;
   systemd.services.caddy.serviceConfig.EnvironmentFile = config.secrix.system.secrets.cf-api-key.decrypted.path;
   services.caddy = {
     enable = true;
     package = pkgs.caddy.withPlugins {
       plugins = [ "github.com/caddy-dns/cloudflare@v0.2.1" ];
-      hash = "sha256-Gsuo+ripJSgKSYOM9/yl6Kt/6BFCA6BuTDvPdteinAI=";
+      hash = "sha256-2D7dnG50CwtCho+U+iHmSj2w14zllQXPjmTHr6lJZ/A=";
     };
-    virtualHosts."grouter.${domain}".extraConfig = ''
+    virtualHosts."*.${domain}".extraConfig = ''
       encode
       tls {
           dns cloudflare {env.CF_API_KEY}
           resolvers 1.1.1.1
       }
-      @grafana path /grafana /grafana/*
-      handle @grafana {
-          reverse_proxy localhost:${toString config.services.grafana.settings.server.http_port}
-      }
-      redir /adghome /adghome/
-      handle_path /adghome/* {
-          reverse_proxy localhost:${toString config.services.adguardhome.port}
-          basic_auth {
-              Bob $2a$14$HsWmmzQTN68K3vwiRAfiUuqIjKoXEXaj9TOLUtG2mO1vFpdovmyBy
+
+      @grouter host grouter.${domain}
+      handle @grouter {
+          @grafana path /grafana /grafana/*
+          handle @grafana {
+              reverse_proxy localhost:${toString config.services.grafana.settings.server.http_port}
+          }
+          redir /adghome /adghome/
+          handle_path /adghome/* {
+              reverse_proxy localhost:${toString config.services.adguardhome.port}
+              basic_auth {
+                  Bob $2a$14$HsWmmzQTN68K3vwiRAfiUuqIjKoXEXaj9TOLUtG2mO1vFpdovmyBy
+              }
+          }
+          handle /* {
+              reverse_proxy localhost:${toString config.services.glance.settings.server.port}
           }
       }
-      handle /* {
-          reverse_proxy localhost:${toString config.services.glance.settings.server.port}
+
+      @hass host hass.${domain}
+      handle @hass {
+          reverse_proxy homeassistant.4.lab.l.cazzzer.com:8123
       }
     '';
   };

modules/router/vars.nix

@@ -1,31 +1,34 @@
+config:
 let
-  private = import ./private.nix;
-
+  cfg = config.router;
   mkIfConfig = {
     name_,
     domain_,
     p4_,  # /24
+    p4Size_ ? 24,
     p6_,  # /64
+    p6Size_ ? 64,
     ulaPrefix_,  # /64
-    token? 1,
+    ulaSize_ ? 64,
+    token? cfg.defaultToken,
     ip6Token_? "::${toString token}",
     ulaToken_? "::${toString token}",
     }: rec {
       name = name_;
       domain = domain_;
       p4 = p4_;
-      p4Size = 24;
+      p4Size = p4Size_;
       net4 = "${p4}.0/${toString p4Size}";
       addr4 = "${p4}.${toString token}";
       addr4Sized = "${addr4}/${toString p4Size}";
       p6 = p6_;
-      p6Size = 64;
+      p6Size = p6Size_;
       net6 = "${p6}::/${toString p6Size}";
       ip6Token = ip6Token_;
       addr6 = "${p6}${ip6Token}";
       addr6Sized = "${addr6}/${toString p6Size}";
       ulaPrefix = ulaPrefix_;
-      ulaSize = 64;
+      ulaSize = ulaSize_;
       ulaNet = "${ulaPrefix}::/${toString ulaSize}";
       ulaToken = ulaToken_;
       ulaAddr = "${ulaPrefix}${ulaToken}";
@@ -38,21 +41,21 @@ rec {
   ldomain = "l.${domain}";
   sysdomain = "sys.${domain}";
   links = {
-    wanMAC = "bc:24:11:4f:c9:c4";
-    lanMAC = "bc:24:11:83:d8:de";
-    wanLL = "fe80::be24:11ff:fe4f:c9c4";
-    lanLL = "fe80::be24:11ff:fe83:d8de";
+    wanMAC = cfg.wanMAC;
+    lanMAC = cfg.lanMAC;
+    wanLL = cfg.wanLL;
+    lanLL = cfg.lanLL;
   };
 
   p4 = "10.17";                      # .0.0/16
-  pdFromWan = private.pdFromWan;  # ::/60
+  pdFromWan = cfg.pdFromWan;         # ::/60
   ulaPrefix = "fdab:07d3:581d";      # ::/48
   ifs = rec {
     wan = rec {
       name = "wan";
-      addr4 = "192.168.1.61";
+      addr4 = cfg.wanAddr4;
       addr4Sized = "${addr4}/24";
-      gw4 = "192.168.1.254";
+      gw4 = cfg.wanGw4;
     };
     lan = mkIfConfig {
       name_ = "lan";
@@ -74,7 +77,7 @@ rec {
       p4_ = "${p4}.20";                  # .0/24
       p6_ = "${pdFromWan}0";             # ::/64 managed by Att box
       ulaPrefix_ = "${ulaPrefix}:0020";  # ::/64
-      ip6Token_ = "::1:1";  # override ipv6 for lan20, since the Att box uses ::1 here
+      ip6Token_ = "::1:${toString cfg.defaultToken}";  # override ipv6 for lan20, since the Att box uses ::1 here
     };
     lan30 = mkIfConfig {
       name_ = "${lan.name}.30";
@@ -97,6 +100,17 @@ rec {
       p6_ = "${pdFromWan}a";             # ::/64
       ulaPrefix_ = "${ulaPrefix}:0050";  # ::/64
     };
+    wg0 = mkIfConfig {
+      name_ = "wg0";
+      domain_ = "wg0.${ldomain}";
+      p4_ = "10.18.16";  # .0/24
+      p6_ = "${pdFromWan}9:0:6";  # ::/96
+      p6Size_ = 96;
+      ulaPrefix_ = "${ulaPrefix}:0100:0:6";  # ::/96
+      ulaSize_ = 96;
+    } // {
+      listenPort = 51944;
+    };
   };
 
   extra = {

modules/router/wireguard.nix

@@ -0,0 +1,72 @@
+{ config, lib, pkgs, ... }:
+let
+  vars = import ./vars.nix config;
+  wg0 = vars.ifs.wg0;
+
+  peerIps = ifObj: token: [
+    "${ifObj.p4}.${toString token}/32"
+    "${ifObj.p6}:${toString token}:0/112"
+    "${ifObj.ulaPrefix}:${toString token}:0/112"
+  ];
+
+  mkWg0Peer = token: publicKey: {
+    allowedIPs = peerIps wg0 token;
+    inherit publicKey;
+    pskEnabled = true;
+  };
+
+  wg0Peers = {
+    "Yura-TPX13" = mkWg0Peer 100 "iFdsPYrpw7vsFYYJB4SOTa+wxxGVcmYp9CPxe0P9ewA=";
+    "Yura-Pixel7Pro" = mkWg0Peer 101 "GPdXxjvnhsyufd2QX/qsR02dinUtPnnxrE66oGt/KyA=";
+  };
+  peerSecretName = name: "wg0-peer-${name}-psk";
+  secrets = config.secrix.services.systemd-networkd.secrets;
+in
+{
+  secrix.services.systemd-networkd.secrets = let
+    pskPeers = lib.attrsets.filterAttrs (name: peer: peer.pskEnabled) wg0Peers;
+    mapPeer = name: peer: {
+      name = peerSecretName name;
+      value.encrypted.file = ./secrets/wireguard/${peerSecretName name}.age;
+    };
+    peerSecrets = lib.attrsets.mapAttrs' mapPeer pskPeers;
+
+    allSecrets = {
+      wg0-private-key.encrypted.file = ./secrets/wireguard/wg0-private-key.age;
+    } // peerSecrets;
+
+    setSecretOwnership = name: value: value // {
+      decrypted.user = "systemd-network";
+      decrypted.group = "systemd-network";
+    };
+  in lib.attrsets.mapAttrs setSecretOwnership allSecrets;
+
+  systemd.network.netdevs = {
+    "10-wg0" = {
+      netdevConfig = {
+        Kind = "wireguard";
+        Name = wg0.name;
+      };
+      wireguardConfig = {
+        PrivateKeyFile = secrets.wg0-private-key.decrypted.path;
+        ListenPort = wg0.listenPort;
+      };
+      wireguardPeers = map (peer: {
+        AllowedIPs = lib.strings.concatStringsSep "," peer.value.allowedIPs;
+        PublicKey = peer.value.publicKey;
+        PresharedKeyFile = if peer.value.pskEnabled then secrets."${peerSecretName peer.name}".decrypted.path else null;
+      }) (lib.attrsToList wg0Peers);
+    };
+  };
+
+  systemd.network.networks = {
+    "10-wg0" = {
+      matchConfig.Name = "wg0";
+      networkConfig = {
+        IPv4Forwarding = true;
+        IPv6SendRA = false;
+        Address = [ wg0.addr4Sized wg0.addr6Sized wg0.ulaAddrSized ];
+      };
+    };
+  };
+}

users/cazzzer/default.nix

@@ -5,7 +5,7 @@
     isNormalUser = true;
     description = "Yura";
     group = "cazzzer";
-    extraGroups = [ "wheel" ]
+    extraGroups = [ "wheel" "dialout" ]
       ++ lib.optionals config.networking.networkmanager.enable [ "networkmanager" ]
       ++ lib.optionals config.virtualisation.docker.enable [ "docker" ]
       ++ lib.optionals config.programs.wireshark.enable [ "wireshark" ]