View source for SELinux workgroup

This group is about adding SE Linux support to NixOS both booting and when run on a system like Debian or Fedora with SE Linux support.

== People ==

* [[User:etbe|etbe]]

== Config ==

 # tell kernel to use SE Linux
  boot.kernelParams = [ "security=selinux" ];
 # compile kernel with SE Linux support - but also support for other LSM modules
  boot.kernelPatches = [ {
        name = "selinux-config";
        patch = null;
        extraConfig = ''
                SECURITY_SELINUX y
                SECURITY_SELINUX_BOOTPARAM n
                SECURITY_SELINUX_DISABLE n
                SECURITY_SELINUX_DEVELOP y
                SECURITY_SELINUX_AVC_STATS y
                SECURITY_SELINUX_CHECKREQPROT_VALUE 0
                DEFAULT_SECURITY_SELINUX n
              '';
        } ];
 # policycoreutils is for load_policy, fixfiles, setfiles, setsebool, semodile, and sestatus.
 environment.systemPackages = with pkgs; [ policycoreutils ];
 # build systemd with SE Linux support so it loads policy at boot and supports file labelling
 systemd.package = pkgs.systemd.override { withSelinux = true; };

== Links ==

* [https://lore.kernel.org/selinux/7853167.K65cXu0y11@neuromancer/T/#u Proposed patch for subst file-contexts], this maps /nix/store/* directories to / for file labelling (both initial system labelling and dynamic labelling of new files).
* [https://github.com/NixOS/nix/pull/2670 GitHub page for e-user's changes adding SE Linux support to NixOS].