modules/nmap.nix


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{
  config,
  lib,
  pkgs,
  inputs,
  ...
}:
let
  cfg = config.nixfiles.modules.nmap;
in
{
  options.nixfiles.modules.nmap.enable = lib.mkEnableOption "Nmap";

  config = lib.mkIf cfg.enable {
    nixfiles.modules.common.shell.aliases = {
      nmap-vulners = "nmap -sV --script=vulners/vulners.nse";
      nmap-vulscan = "nmap -sV --script=vulscan/vulscan.nse";
    };

    hm = {
      home = {
        file = {
          ".nmap/scripts/vulners".source = inputs.nmap-vulners;
          ".nmap/scripts/vulscan/vulscan.nse".source = "${inputs.nmap-vulscan}/vulscan.nse";
        };

        packages = with pkgs; [
          nmap
          nmap-formatter
        ];

        activation.regenerateNmapScripts = ''
          ${lib.getExe' pkgs.nmap "nmap"} --script-updatedb
        '';
      };

      systemd.user = {
        services.update-nmap-vulscan-lists.Service.ExecStart =
          pkgs.writeShellApplication {
            name = "update-nmap-vulscan-lists";
            runtimeInputs = [ pkgs.curl ];
            text = ''
              declare -a vulscandbs=(
                "cve"
                "exploitdb"
                "openvas"
                "osvdb"
                "scipvuldb"
                "securityfocus"
                "securitytracker"
                "xforce"
              )
              for i in "''${vulscandbs[@]}"; do
                curl \
                  -o "${config.my.home}/.nmap/scripts/vulscan/$i.csv" \
                  "https://www.computec.ch/projekte/vulscan/download/$i.csv"
              done
            '';
          }
          |> lib.getExe;

        timers.update-nmap-vulscan-lists = {
          Timer = {
            OnCalendar = "daily";
            Persistent = true;
            Unit = "update-nmap-vulscan-lists.service";
          };
          Install.WantedBy = [ "timers.target" ];
        };
      };
    };
  };
}