1 files changed, 47 insertions, 0 deletions
diff --git a/sys/hardware/printing.nix b/sys/hardware/printing.nix
new file mode 100644
index 0000000..30c6962
--- /dev/null
+++ b/sys/hardware/printing.nix
@@ -0,0 +1,47 @@
+{ config, lib, ... }:
+with lib; let
+  cfg = config.local.hardware.printing;
+  inherit (config.local.net) dhcpInterface;
+in
+{
+  options.local.hardware.printing = {
+    enable = mkEnableOption "print and scan services";
+
+    users = mkOption {
+      type = with types; listOf str;
+      default = [ ];
+    };
+  };
+
+  config = mkIf cfg.enable {
+    assertions = [
+      {
+        assertion = config.local.net.enable;
+        message = "Printing requires net";
+      }
+    ];
+
+    services.avahi = {
+      enable = true;
+      nssmdns4 = true;
+
+      # Abre 5353 en todas las interfaces (!!!)
+      openFirewall = false;
+    };
+
+    hardware.sane.enable = true;
+
+    networking.firewall.interfaces = mkIf (dhcpInterface != null) {
+      ${dhcpInterface}.allowedUDPPorts = [ 5353 ];
+    };
+
+    services.printing.enable = true;
+
+    users.users = listToAttrs (map
+      (user: {
+        name = user;
+        value.extraGroups = [ "scanner" "lp" ];
+      })
+      cfg.users);
+  };
+}