{ config, lib, pkgs, ... }:
{
  services.samba = {
    enable = true;
    extraConfig = ''
      workgroup = WORKGROUP
      server string = smbnix
      netbios name = smbnix
      security = user 
      hosts allow = 192.168.3. 192.168.1. 127.0.0.1 localhost
      hosts deny = 0.0.0.0/0
      guest account = nobody
      map to guest = bad user
    '';

    shares = {
      private = {
        "path" = "/engi";
        browseable = "yes";
        "read only" = "no";
        "guest ok" = "no";
        "force user" = "tstarr";
        "force group" = "users";
      };
      public = {
        "path" = "/engi";
        browseable = "yes";
        "read only" = "yes";
        "guest ok" = "yes";
      };
    };
  };

  # Curiously, `services.samba` does not automatically open
  # the needed ports in the firewall.
  networking.firewall.allowedTCPPorts = [ 445 139 ];
  networking.firewall.allowedUDPPorts = [ 137 138 ];

  environment.systemPackages = with pkgs; [ 
    cifs-utils # Utilities for mounting and managing CIFS (Common Internet File System) shares
  ];
}