91 lines
2.4 KiB
Nix
91 lines
2.4 KiB
Nix
{
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config,
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lib,
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pkgs,
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...
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}:
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let
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cfg = config.programs.ydotool;
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in
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{
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meta = {
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maintainers = with lib.maintainers; [ quantenzitrone ];
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};
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options.programs.ydotool = {
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enable = lib.mkEnableOption ''
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ydotoold system service and {command}`ydotool` for members of
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{option}`programs.ydotool.group`.
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'';
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group = lib.mkOption {
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type = lib.types.str;
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default = "ydotool";
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description = ''
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Group which users must be in to use {command}`ydotool`.
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'';
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};
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};
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config = let
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runtimeDirectory = "ydotoold";
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in lib.mkIf cfg.enable {
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users.groups."${config.programs.ydotool.group}" = { };
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systemd.services.ydotoold = {
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description = "ydotoold - backend for ydotool";
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wantedBy = [ "multi-user.target" ];
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partOf = [ "multi-user.target" ];
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serviceConfig = {
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Group = config.programs.ydotool.group;
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RuntimeDirectory = runtimeDirectory;
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RuntimeDirectoryMode = "0750";
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ExecStart = "${lib.getExe' pkgs.ydotool "ydotoold"} --socket-path=${config.environment.variables.YDOTOOL_SOCKET} --socket-perm=0660";
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# hardening
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## allow access to uinput
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DeviceAllow = [ "/dev/uinput" ];
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DevicePolicy = "closed";
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## allow creation of unix sockets
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RestrictAddressFamilies = [ "AF_UNIX" ];
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CapabilityBoundingSet = "";
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IPAddressDeny = "any";
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LockPersonality = true;
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MemoryDenyWriteExecute = true;
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NoNewPrivileges = true;
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PrivateNetwork = true;
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PrivateTmp = true;
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PrivateUsers = true;
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ProcSubset = "pid";
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ProtectClock = true;
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ProtectControlGroups = true;
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ProtectHome = true;
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ProtectHostname = true;
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ProtectKernelLogs = true;
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ProtectKernelModules = true;
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ProtectKernelTunables = true;
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ProtectProc = "invisible";
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ProtectSystem = "strict";
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RestrictNamespaces = true;
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RestrictRealtime = true;
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RestrictSUIDSGID = true;
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SystemCallArchitectures = "native";
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SystemCallFilter = [
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"@system-service"
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"~@privileged"
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"~@resources"
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];
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UMask = "0077";
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# -> systemd-analyze security score 0.7 SAFE 😀
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};
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};
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environment.variables = {
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YDOTOOL_SOCKET = "/run/${runtimeDirectory}/socket";
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};
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environment.systemPackages = with pkgs; [ ydotool ];
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};
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}
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