nixos/profiles/printing.nix

   1 { pkgs, lib, ... }:
   2 {
   3   imports = [
   4     ./avahi.nix
   5   ];
   6   services.printing = {
   7     enable = true;
   8     drivers = [
   9       pkgs.canon-cups-ufr2
  10       pkgs.cups-filters
  11       pkgs.gutenprint
  12       pkgs.hplip
  13     ];
  14   };
  15   hardware.sane.enable = true;
  16   hardware.sane.extraBackends = [
  17     pkgs.hplipWithPlugin
  18     pkgs.sane-airscan
  19   ];
  20   # ExplanationNote: cups-browsed only supports avahi, not systemd-resolved
  21   services.avahi.enable = lib.mkDefault true;
  22   services.resolved.extraConfig = ''
  23     MulticastDNS=false
  24   '';
  25   networking.nftables.ruleset = ''
  26     table inet filter {
  27       chain output-lan {
  28         meta l4proto { udp, tcp } th dport { ipp, ipps } counter accept comment "IPP"
  29       }
  30       chain output-net {
  31         meta l4proto { udp, tcp } th dport { ipp, ipps } counter accept comment "IPP"
  32       }
  33     }
  34   '';
  35 }