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