Switch to Zen kernel

modules/datasync.nix

@@ -1,9 +1,4 @@
-{
-  config,
-  lib,
-  pkgs,
-  ...
-}:
+{ config, lib, pkgs, ... }:
 
 {
   # ZFS automatic snapshots
@@ -93,4 +88,48 @@
     };
   };
 
+  # Automount external storage
+  systemd.mounts = [
+    # UGent Samba
+    {
+      what = "//files.ugent.be/akasroua/home";
+      type = "cifs";
+      where = "/ugent";
+      options =
+        "credentials=${config.age.secrets.samba-ugent.path},noperm,vers=3.11,sec=ntlmv2i,noserverino";
+      mountConfig = { TimeoutSec = "5"; };
+    }
+  ];
+  systemd.automounts = [
+    # UGent Samba
+    {
+      where = "/ugent";
+      automountConfig = { TimeoutIdleSec = "5"; };
+      wantedBy = [ "default.target" ];
+    }
+  ];
+
+  # HACK Workaround to change the configuration of keyutils in order to get CIFS working
+  environment.etc."request-key.conf" = {
+    text = let
+      upcall = "${pkgs.cifs-utils}/bin/cifs.upcall";
+      keyctl = "${pkgs.keyutils}/bin/keyctl";
+    in ''
+      #OP     TYPE          DESCRIPTION  CALLOUT_INFO  PROGRAM
+      # -t is required for DFS share servers...
+      create  cifs.spnego   *            *             ${upcall} -t %k
+      create  dns_resolver  *            *             ${upcall} %k
+      # Everything below this point is essentially the default configuration,
+      # modified minimally to work under NixOS. Notably, it provides debug
+      # logging.
+      create  user          debug:*      negate        ${keyctl} negate %k 30 %S
+      create  user          debug:*      rejected      ${keyctl} reject %k 30 %c %S
+      create  user          debug:*      expired       ${keyctl} reject %k 30 %c %S
+      create  user          debug:*      revoked       ${keyctl} reject %k 30 %c %S
+      create  user          debug:loop:* *             |${pkgs.coreutils}/bin/cat
+      create  user          debug:*      *             ${pkgs.keyutils}/share/keyutils/request-key-debug.sh %k %d %c %S
+      negate  *             *            *             ${keyctl} negate %k 30 %S
+    '';
+  };
+
 }

modules/software.nix

@@ -97,6 +97,8 @@ in
     zip
     unzip
     unar
+    cifs-utils
+    keyutils
     # Overlays
     cachix
     # Budgeting