router: enable xfce desktop for debugging

.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,
+        "lastModified": 1749178927,
-        "narHash": "sha256-MJEX3Skt5EAIs/aGHD8/aXXZPcceMMHheyIGSjvxZN0=",
+        "narHash": "sha256-bXcEx1aZUNm5hMLVJeuofcOrZyOiapzvQ7K36HYK3YQ=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "da282034f4d30e787b8a10722431e8b650a907ef",
+        "rev": "91287a0e9d42570754487b7e38c6697e15a9aab2",
         "type": "github"
       },
       "original": {
@@ -58,11 +58,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1748370509,
+        "lastModified": 1748929857,
-        "narHash": "sha256-QlL8slIgc16W5UaI3w7xHQEP+Qmv/6vSNTpoZrrSlbk=",
+        "narHash": "sha256-lcZQ8RhsmhsK8u7LIFsJhsLh/pzR9yZ8yqpTzyGdj+Q=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "4faa5f5321320e49a78ae7848582f684d64783e9",
+        "rev": "c2a03962b8e24e669fb37b7df10e7c79531ff1a4",
         "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 ];
@@ -49,7 +51,6 @@
           ./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 +63,6 @@
           ./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)
         ];
       };
@@ -74,6 +74,7 @@
           ./hosts/hw-vm.nix
           ./hosts/vm
           ./users/cazzzer
+          (hmModule ./home/cazzzer-pc.nix)
         ];
       };
       router = nixpkgs.lib.nixosSystem {
@@ -84,6 +85,7 @@
           ./hosts/common.nix
           ./hosts/router
           ./users/cazzzer
+          (hmModule ./home/common.nix)
         ];
       };
     };
@@ -97,6 +99,7 @@
           ./hosts/hw-proxmox.nix
           ./hosts/vm
           ./users/cazzzer
+          (hmModule ./home/cazzzer-pc.nix)
         ];
         format = "proxmox";
       };
@@ -109,6 +112,7 @@
             ./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/common-desktop.nix

@@ -114,6 +114,7 @@
     ripgrep-all
     rustscan
     whois
+    wireguard-tools
     yt-dlp
   ] ++ [
     bitwarden-desktop

hosts/router/default.nix

@@ -1,13 +1,14 @@
 { config, lib, pkgs, ... }:
 let
   vars = import ./vars.nix;
-  enableDesktop = false;
+  enableDesktop = true;
 in
 {
   imports =
     [ # Include the results of the hardware scan.
       ./hardware-configuration.nix
       ./ifconfig.nix
+      ./wireguard.nix
       ./firewall.nix
       ./dns.nix
       ./kea.nix
@@ -38,9 +39,11 @@ in
   # Enable the KDE Plasma Desktop Environment.
   # Useful for debugging with wireshark.
   hardware.graphics.enable = true;
-  services.displayManager.sddm.enable = enableDesktop;
+  services.xserver.desktopManager.xfce.enable = enableDesktop;
-  services.displayManager.sddm.wayland.enable = enableDesktop;
+  services.xserver.desktopManager.xfce.enableWaylandSession = enableDesktop;
-  services.desktopManager.plasma6.enable = 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;
 
@@ -77,6 +80,7 @@ in
     transcrypt
     waypipe
     whois
+    wireguard-tools
   ];
 
   # This value determines the NixOS release from which the default

hosts/router/dns.nix

@@ -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

hosts/router/firewall.nix

@@ -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_TCP_PORTS = { ssh }
-      define ALLOWED_UDP_PORTS = { bootps, dhcpv6-server, domain, https }
+      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)
+          # Allow specific stuff from WAN
-          tcp dport ssh accept
       }
 
       chain zone_wan_forward {
@@ -180,8 +194,8 @@ in
           ip protocol icmp accept
 
           # Allow specific services from LAN
-          tcp dport $ALLOWED_TCP_PORTS accept
+          tcp dport $ALLOWED_TCP_LAN_PORTS accept
-          udp dport $ALLOWED_UDP_PORTS accept
+          udp dport $ALLOWED_UDP_LAN_PORTS accept
       }
 
       chain zone_lan_forward {

hosts/router/ifconfig.nix

@@ -83,7 +83,7 @@ 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,

hosts/router/private.nix

@@ -1,2 +1,3 @@
-U2FsdGVkX1/98w32OE1ppwT0I5A3UOTKCLJfvk+TQdrbf0TLfYNZ9TC9n8cH2hC9
+U2FsdGVkX1/MGwxIMmhbZuPqJUZzex9v5tTuiOrEvDVldI7xY0edUy9Ii5udFLXt
-ObKVuFlOLwHlzeBy7MXaLg==
+AbxShsH43FH1ucgygKDlKTB/yXZWDoDVhjdgLFjaBtAt0xyAL9Doet844oDVhbbO
+FqOwXHMd+PE23rgqiCscsA==

hosts/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
+=<3D>q-So<><6F>pn<70><6E><EFBFBD><EFBFBD><EFBFBD>I<EFBFBD><49><EFBFBD>Z֠i<D6A0>'<27><><EFBFBD>"%M<><06><>C&

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

@@ -0,0 +1,5 @@
+age-encryption.org/v1
+-> ssh-ed25519 D2MY/A Xg7XTl/qJqVqvXsHNKcoICq74DeOlquN1CEn1PwxlVY
+FqmPdDgmuUrwZPLW56RhW8o1VXr5l2Xms6IVebpi7bA
+--- nLT/bC55EvoXK6f7DYbMhD3I8Z122bxeGVw1PCds2IM
+!<><7F><05>Dl<44><6C><EFBFBD><EFBFBD><EFBFBD><EFBFBD>;<3B><>KXq8<71>4<EFBFBD><34><EFBFBD><EFBFBD>+b<><62>p_q4B<34><42>'8<>%<25>cI<63><49>D<EFBFBD>t<><0C><05>V~;v*<2A><>W<EFBFBD>-<2D>,[<5B>tݑ<74>

hosts/router/services.nix

@@ -52,7 +52,7 @@ 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;

hosts/router/vars.nix

@@ -5,8 +5,11 @@ let
     name_,
     domain_,
     p4_,  # /24
+    p4Size_ ? 24,
     p6_,  # /64
+    p6Size_ ? 64,
     ulaPrefix_,  # /64
+    ulaSize_ ? 64,
     token? 1,
     ip6Token_? "::${toString token}",
     ulaToken_? "::${toString token}",
@@ -14,18 +17,18 @@ let
       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}";
@@ -50,9 +53,9 @@ rec {
   ifs = rec {
     wan = rec {
       name = "wan";
-      addr4 = "192.168.1.61";
+      addr4 = private.wanAddr4;
-      addr4Sized = "${addr4}/24";
+      addr4Sized = "${addr4}/23";
-      gw4 = "192.168.1.254";
+      gw4 = private.wanGw4;
     };
     lan = mkIfConfig {
       name_ = "lan";
@@ -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 = {

hosts/router/wireguard.nix

@@ -0,0 +1,72 @@
+{ config, lib, pkgs, ... }:
+let
+  vars = import ./vars.nix;
+  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 ];
+      };
+    };
+  };
+}