From 409817b89a5ada5c76f9e3bbdd643bbd6bf921e4 Mon Sep 17 00:00:00 2001
From: isabel <isabel@isabelroses.com>
Date: Mon, 25 May 2026 22:45:36 +0100
Subject: [PATCH] nixos/security/account-utils: init

---
 modules/nixos/security/account-utils.nix | 17 +++++++++++++++++
 modules/nixos/security/default.nix       |  1 +
 2 files changed, 18 insertions(+)
 create mode 100644 modules/nixos/security/account-utils.nix

diff --git a/modules/nixos/security/account-utils.nix b/modules/nixos/security/account-utils.nix
new file mode 100644
index 00000000..97a169fb
--- /dev/null
+++ b/modules/nixos/security/account-utils.nix
@@ -0,0 +1,17 @@
+# WARNING: like all good experimental modules there is no guarantee you will
+# even be able to login after enabling some of these options.
+#
+# see also run0 and polkit for some of the changes made due to the blogpost
+# <https://hedgedoc.grimmauld.de/s/P2_wvU0w58>
+{ lib, ... }:
+let
+  inherit (lib.modules) mkDefault;
+in
+{
+  systemd.settings.Manager.NoNewPrivileges = true;
+
+  security.account-utils.enable = true;
+
+  # https://github.com/NixOS/nixpkgs/pull/521536
+  programs.fuse.enable = mkDefault false;
+}
diff --git a/modules/nixos/security/default.nix b/modules/nixos/security/default.nix
index 55b7d442..a40aaa8f 100644
--- a/modules/nixos/security/default.nix
+++ b/modules/nixos/security/default.nix
@@ -3,6 +3,7 @@
 {
   imports = [
     # keep-sorted start
+    ./account-utils.nix # drop suid/guid changes from the config
     ./apparmor.nix # apparmor
     ./auditd.nix # auditd
     ./login-defs.nix # login.defs configuration
-- 
2.51.2