Add Samba Module.

nixos/modules/nixos/system/default.nix

@@ -8,6 +8,7 @@
     ./pushover
     ./security.nix
     ./systempackages.nix
+    ./samba
     ./time.nix
     ./zfs.nix
   ];

nixos/modules/nixos/system/samba/default.nix

@@ -0,0 +1,25 @@
+{ lib, config, ... }:
+let
+  cfg = config.mySystem.services.samba;
+in
+{
+  options.mySystem.services.samba = {
+    enable = lib.mkEnableOption "samba";
+    extraConfig = lib.mkOption {
+      type = lib.types.str;
+      default = "";
+    };
+    
+    shares = lib.mkOption {
+      type = lib.types.attrsOf (lib.types.attrsOf lib.types.unspecified);
+      default = "";
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    services.samba.enable = true;
+    services.samba.extraConfig = cfg.extraConfig;
+    services.samba.shares = cfg.shares;
+    services.samba.openFirewall = true;
+  };
+}