nixos: networking: add personal db of wifi networks

2 files changed, 141 insertions, 0 deletions

diff --git a/modules/nixos/personal/networking/default.nix b/modules/nixos/personal/networking/default.nix
new file mode 100644
index 0000000..eec4195
--- /dev/null
+++ b/modules/nixos/personal/networking/default.nix
@@ -0,0 +1,79 @@
+{
+  config,
+  lib,
+  pkgs,
+  options,
+  ...
+}: let
+  cfg = config.personal.networking;
+  mkFirewallEnableOption = name:
+    lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      description = "Whether to open ports for ${name}.";
+    };
+in {
+  imports = [./wifi.nix];
+
+  options.personal.networking = {
+    enable = lib.mkEnableOption "networking";
+    bluetooth.enable = lib.mkEnableOption "bluetooth";
+    networkmanager.enable = lib.mkEnableOption "NetworkManager";
+    ssh.enable = lib.mkEnableOption "SSH server";
+    firewall = {
+      syncthing = mkFirewallEnableOption "Syncthing";
+      kdeconnect = mkFirewallEnableOption "KDE Connect";
+      http = mkFirewallEnableOption "HTTP and HTTPS (incoming)";
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    environment.systemPackages =
+      lib.optional cfg.networkmanager.enable pkgs.networkmanager;
+    networking = {
+      networkmanager = lib.mkIf cfg.networkmanager.enable {
+        enable = true;
+        unmanaged = ["interface-name:ve-*"];
+      };
+      firewall = {
+        enable = true;
+        allowedTCPPorts =
+          lib.optional cfg.firewall.syncthing 22000
+          ++ lib.optionals cfg.firewall.http [80 443];
+        allowedUDPPorts = lib.optionals cfg.firewall.syncthing [22000 21027];
+        allowedTCPPortRanges = lib.optional cfg.firewall.kdeconnect {
+          from = 1714;
+          to = 1764;
+        };
+        allowedUDPPortRanges = lib.optional cfg.firewall.kdeconnect {
+          from = 1714;
+          to = 1764;
+        };
+      };
+    };
+    services = lib.mkIf cfg.ssh.enable {
+      openssh =
+        {
+          enable = true;
+          extraConfig = ''
+            AcceptEnv PS1
+          '';
+        }
+        // (
+          if options.services.openssh ? settings
+          then {
+            settings = {
+              PermitRootLogin = "no";
+              PasswordAuthentication = false;
+            };
+          }
+          else {
+            permitRootLogin = "no";
+            passwordAuthentication = false;
+          }
+        );
+      fail2ban.enable = true;
+    };
+    hardware.bluetooth.enable = cfg.bluetooth.enable;
+  };
+}
diff --git a/modules/nixos/personal/networking/wifi.nix b/modules/nixos/personal/networking/wifi.nix
new file mode 100644
index 0000000..2df8f6e
--- /dev/null
+++ b/modules/nixos/personal/networking/wifi.nix
@@ -0,0 +1,62 @@
+{
+  config,
+  lib,
+  ...
+}: let
+  cfg = config.personal.networking.wifi;
+  mkWifiProfile = {
+    id,
+    uuid,
+    ssid,
+  }: {
+    "${id}" = {
+      connection = {
+        inherit id uuid;
+        type = "wifi";
+      };
+      wifi = {
+        inherit ssid;
+        mode = "infrastructure";
+      };
+      wifi-security = {
+        key-mgmt = "wpa-psk";
+        # fill-in password on first connection
+      };
+      ipv4 = {
+        method = "auto";
+      };
+      ipv6 = {
+        addr-gen-mode = "stable-privacy";
+        method = "auto";
+      };
+      proxy = {
+      };
+    };
+  };
+in {
+  options.personal.networking.wifi = {
+    enable = lib.mkEnableOption "personal WiFi networks";
+    networks = lib.mkOption {
+      type = with lib.types; listOf (attrsOf str);
+      default = [
+        {
+          id = "home-private";
+          ssid = "Quentintranet";
+          uuid = "e1e7e428-cf9f-4123-ac5b-641e6458d7e5";
+        }
+        {
+          id = "hotspot";
+          ssid = "Quentinternational";
+          uuid = "e18bf2e0-e9b6-454c-b7f3-e264c29f4e88";
+        }
+        {
+          id = "home-cercier";
+          ssid = "ARISTOTE";
+          uuid = "6ca53030-e03b-46ac-8a11-00b0787b3fa9";
+        }
+      ];
+    };
+  };
+
+  config.networking.networkmanager.ensureProfiles.profiles = lib.mkIf cfg.enable (lib.mergeAttrsList (builtins.map mkWifiProfile cfg.networks));
+}