From cf3846e876386eaa7bd1ce82222eec8566059fa6 Mon Sep 17 00:00:00 2001
From: Profpatsch <mail@profpatsch.de>
Date: Mon, 22 Nov 2021 13:05:12 +0100
Subject: pkgs/profpatsch/shiki: add cups drivers and ban ipv6 mdns

Based on the help in
https://nixos.wiki/wiki/Printing#Client_.28Linux.29
the ipv6 resolver for mdns is broken (only in nixpkgs?)
and will block & timeout. :)
---
 machines/profpatsch/shiki.nix | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

(limited to 'machines')

diff --git a/machines/profpatsch/shiki.nix b/machines/profpatsch/shiki.nix
index 4352a69a..d2792bf8 100644
--- a/machines/profpatsch/shiki.nix
+++ b/machines/profpatsch/shiki.nix
@@ -363,9 +363,26 @@ in {
 
     services.printing = {
       enable = true;
-      drivers = [ pkgs.gutenprint pkgs.gutenprintBin pkgs.hplip ];
+      drivers = [
+        pkgs.gutenprint
+        pkgs.gutenprintBin
+        # pkgs.hplip
+        unfreeAndNonDistributablePkgs.canon-cups-ufr2
+        unfreeAndNonDistributablePkgs.dcp9020cdwlpr
+      ];
     };
 
+    # for discovering ddns printers.
+    services.avahi.enable = true;
+    # for being able to talk to ddns printers after finding them.
+    # disable v6 for mdns (argh)
+    services.avahi.nssmdns = false;
+    system.nssModules = [ pkgs.nssmdns ];
+    system.nssDatabases.hosts = (lib.mkMerge [
+      (lib.mkBefore [ "mdns4_minimal [NOTFOUND=return]" ]) # before resolve
+      (lib.mkAfter [ "mdns4" ]) # after dns
+    ]);
+
     ###########
     # Programs
 
-- 
cgit 1.4.1