96 lines
2.8 KiB
Nix
96 lines
2.8 KiB
Nix
{ config, lib, pkgs, ... }:
|
|
let
|
|
cfg = config.services.clatd;
|
|
|
|
settingsFormat = pkgs.formats.keyValue {};
|
|
|
|
configFile = settingsFormat.generate "clatd.conf" cfg.settings;
|
|
in
|
|
{
|
|
options = {
|
|
services.clatd = {
|
|
enable = lib.mkEnableOption "clatd";
|
|
|
|
package = lib.mkPackageOption pkgs "clatd" { };
|
|
|
|
enableNetworkManagerIntegration = lib.mkEnableOption "NetworkManager integration" // {
|
|
default = config.networking.networkmanager.enable;
|
|
defaultText = "config.networking.networkmanager.enable";
|
|
};
|
|
|
|
settings = lib.mkOption {
|
|
type = lib.types.submodule ({ name, ... }: {
|
|
freeformType = settingsFormat.type;
|
|
});
|
|
default = { };
|
|
example = lib.literalExpression ''
|
|
{
|
|
plat-prefix = "64:ff9b::/96";
|
|
}
|
|
'';
|
|
description = ''
|
|
Configuration of clatd. See [clatd Documentation](https://github.com/toreanderson/clatd/blob/master/README.pod#configuration).
|
|
'';
|
|
};
|
|
};
|
|
};
|
|
|
|
config = lib.mkIf cfg.enable {
|
|
systemd.services.clatd = {
|
|
description = "464XLAT CLAT daemon";
|
|
documentation = [ "man:clatd(8)" ];
|
|
wantedBy = [ "multi-user.target" ];
|
|
after = [ "network-online.target" ];
|
|
wants = [ "network-online.target" ];
|
|
startLimitIntervalSec = 0;
|
|
|
|
serviceConfig = {
|
|
ExecStart = "${cfg.package}/bin/clatd -c ${configFile}";
|
|
|
|
# Hardening
|
|
CapabilityBoundingSet = [
|
|
"CAP_NET_ADMIN"
|
|
];
|
|
LockPersonality = true;
|
|
MemoryDenyWriteExecute = true;
|
|
NoNewPrivileges = true;
|
|
PrivateTmp = true;
|
|
ProtectClock = true;
|
|
ProtectControlGroups = true;
|
|
ProtectHome = true;
|
|
ProtectHostname = true;
|
|
ProtectKernelLogs = true;
|
|
ProtectKernelModules = true;
|
|
ProtectProc = "invisible";
|
|
ProtectSystem = true;
|
|
RestrictAddressFamilies = [
|
|
"AF_INET"
|
|
"AF_INET6"
|
|
"AF_NETLINK"
|
|
];
|
|
RestrictNamespaces = true;
|
|
RestrictRealtime = true;
|
|
RestrictSUIDSGID = true;
|
|
SystemCallArchitectures = "native";
|
|
SystemCallFilter = [
|
|
"@network-io"
|
|
"@system-service"
|
|
"~@privileged"
|
|
"~@resources"
|
|
];
|
|
};
|
|
};
|
|
|
|
networking.networkmanager.dispatcherScripts = lib.optionals cfg.enableNetworkManagerIntegration [
|
|
{
|
|
type = "basic";
|
|
# https://github.com/toreanderson/clatd/blob/master/scripts/clatd.networkmanager
|
|
source = pkgs.writeShellScript "restart-clatd" ''
|
|
[ "$DEVICE_IFACE" = "${cfg.settings.clat-dev or "clat"}" ] && exit 0
|
|
[ "$2" != "up" ] && [ "$2" != "down" ] && exit 0
|
|
${pkgs.systemd}/bin/systemctl restart clatd.service
|
|
'';
|
|
}
|
|
];
|
|
};
|
|
}
|