1 files changed, 27 insertions, 0 deletions
diff --git a/nixpkgs/nixos/modules/security/hidepid.nix b/nixpkgs/nixos/modules/security/hidepid.nix
new file mode 100644
index 000000000000..55a48ea3c9c6
--- /dev/null
+++ b/nixpkgs/nixos/modules/security/hidepid.nix
@@ -0,0 +1,27 @@
+{ config, lib, ... }:
+with lib;
+
+{
+  meta = {
+    maintainers = [ maintainers.joachifm ];
+    doc = ./hidepid.xml;
+  };
+
+  options = {
+    security.hideProcessInformation = mkOption {
+      type = types.bool;
+      default = false;
+      description = ''
+        Restrict process information to the owning user.
+      '';
+    };
+  };
+
+  config = mkIf config.security.hideProcessInformation {
+    users.groups.proc.gid = config.ids.gids.proc;
+    users.groups.proc.members = [ "polkituser" ];
+
+    boot.specialFileSystems."/proc".options = [ "hidepid=2" "gid=${toString config.ids.gids.proc}" ];
+    systemd.services.systemd-logind.serviceConfig.SupplementaryGroups = [ "proc" ];
+  };
+}