nixpkgs/nixos/modules/security/apparmor.nix
Joachim Fasting 68f5d1fa4c
nixos/apparmor: ensure that apparmor is selected at boot
Otherwise we're subject to whatever defaults were selected at kernel build
time.

See also: https://github.com/NixOS/nixpkgs/issues/61145
2019-05-11 18:21:38 +02:00

60 lines
1.7 KiB
Nix

{ config, lib, pkgs, ... }:
let
inherit (lib) mkIf mkOption types concatMapStrings;
cfg = config.security.apparmor;
in
{
options = {
security.apparmor = {
enable = mkOption {
type = types.bool;
default = false;
description = "Enable the AppArmor Mandatory Access Control system.";
};
profiles = mkOption {
type = types.listOf types.path;
default = [];
description = "List of files containing AppArmor profiles.";
};
packages = mkOption {
type = types.listOf types.package;
default = [];
description = "List of packages to be added to apparmor's include path";
};
};
};
config = mkIf cfg.enable {
environment.systemPackages = [ pkgs.apparmor-utils ];
boot.kernelParams = [ "apparmor=1" "security=apparmor" ];
systemd.services.apparmor = let
paths = concatMapStrings (s: " -I ${s}/etc/apparmor.d")
([ pkgs.apparmor-profiles ] ++ cfg.packages);
in {
after = [ "local-fs.target" ];
before = [ "sysinit.target" ];
wantedBy = [ "multi-user.target" ];
unitConfig = {
DefaultDependencies = "no";
};
serviceConfig = {
Type = "oneshot";
RemainAfterExit = "yes";
ExecStart = map (p:
''${pkgs.apparmor-parser}/bin/apparmor_parser -rKv ${paths} "${p}"''
) cfg.profiles;
ExecStop = map (p:
''${pkgs.apparmor-parser}/bin/apparmor_parser -Rv "${p}"''
) cfg.profiles;
ExecReload = map (p:
''${pkgs.apparmor-parser}/bin/apparmor_parser --reload ${paths} "${p}"''
) cfg.profiles;
};
};
};
}