add hardening module

2 files changed, 34 insertions, 0 deletions

diff --git a/system/default.nix b/system/default.nix
index 9e8ab90..be64ff0 100644
--- a/system/default.nix
+++ b/system/default.nix
@@ -15,6 +15,7 @@
     ./bluetooth.nix
     ./desktop.nix
     ./fingerprint.nix
+    ./hardened.nix
     ./hardware.nix
     ./networking.nix
     ./sshd.nix
diff --git a/system/hardened.nix b/system/hardened.nix
new file mode 100644
index 0000000..91b653f
--- /dev/null
+++ b/system/hardened.nix
@@ -0,0 +1,33 @@
+{
+  lib,
+  config,
+  inputs,
+  ...
+}: let
+  inherit (lib) mkIf;
+in {
+  imports = [
+    "${inputs.nix-mineral}/nix-mineral.nix"
+  ];
+
+  config = mkIf config.hardened {
+    nix-mineral = {
+      enable = true;
+      overrides = {
+        desktop = {
+          home-exec = true;
+          tmp-exec = true;
+          var-lib-exec = true;
+          hideproc-ptraceable = true;
+          skip-restrict-home-permission = true;
+        };
+        performance = {
+          allow-smt = true;
+        };
+        software-choice = {
+          secure-chrony = true;
+        };
+      };
+    };
+  };
+}