forked from pub-solar/os
Merge pull request #7 from nrdxp/enhance/mitigations
security#mitigations: init module
This commit is contained in:
commit
fd50518214
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[ ./services/torrent/qbittorrent.nix ]
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[ ./services/torrent/qbittorrent.nix ./security/mitigations.nix ]
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50
modules/security/mitigations.nix
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50
modules/security/mitigations.nix
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{ config, lib, options, ... }:
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with lib;
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let
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inherit (builtins) readFile fetchurl;
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cfg = config.security.mitigations;
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cmdline = readFile (fetchurl {
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url = "https://make-linux-fast-again.com";
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sha256 = "sha256:10diw5xn5jjx79nvyjqcpdpcqihnr3y0756fsgiv1nq7w28ph9w6";
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});
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in {
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options = {
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security.mitigations.disable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Whether to disable spectre and meltdown mitigations in the kernel. Do
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not use this in mission critical deployments, or on any machine you do
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not have physical access to.
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'';
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};
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security.mitigations.acceptRisk = mkOption {
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type = types.bool;
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default = false;
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description = ''
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To ensure users know what they are doing, they must explicitly accept
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the risk of turning off mitigations by enabling this.
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'';
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};
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};
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config = mkIf cfg.disable {
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assertions = [{
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assertion = cfg.acceptRisk;
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message = ''
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You have enabled 'security.mitigations.disable' without accepting the
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risk of disabling mitigations.
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You must explicitly accept the risk of running the kernel without
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Spectre or Meltdown mitigations. Set 'security.mitigations.acceptRisk'
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to 'true' only if you know what your doing!
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'';
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}];
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boot.kernelParams = splitString " " cmdline;
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};
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}
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@ -1,3 +1 @@
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{ ... }: {
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imports = [ ./stubby.nix ./adblocking.nix ./make-linux-fast-again.nix ];
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}
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{ ... }: { imports = [ ./stubby.nix ./adblocking.nix ]; }
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1
profiles/misc/disable-mitigations.nix
Normal file
1
profiles/misc/disable-mitigations.nix
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{ ... }: { security.mitigations.disable = true; }
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@ -1,9 +0,0 @@
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# file: make-linux-fast-again.nix
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{ pkgs, config, ... }:
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let
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inherit (builtins) readFile fetchurl;
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cmdline = readFile (fetchurl {
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url = "https://make-linux-fast-again.com";
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sha256 = "sha256:10diw5xn5jjx79nvyjqcpdpcqihnr3y0756fsgiv1nq7w28ph9w6";
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});
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in { boot.kernelParams = pkgs.lib.splitString " " cmdline; }
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