dotfiles/modules/router/default.nix

83 lines
1.9 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let cfg = config.services.qois.router;
in {
options.services.qois.router = {
enable = mkEnableOption "router service";
wanInterface = mkOption {
type = types.str;
example = "enp0";
description = ''
WAN interface name.
'';
};
wirelessInterfaces = mkOption {
type = types.listOf types.str;
example = [ "wlp1" "wlp2" ];
default = [ ];
description = ''
Wireless interfaces names.
'';
};
lanInterfaces = mkOption {
type = types.listOf types.str;
example = [ "enp1" "enp2" ];
default = [ ];
description = ''
LAN interfaces names.
'';
};
internalRouterIP = mkOption {
type = types.str;
example = "192.168.0.1";
description = ''
Internal IP of router.
'';
};
internalPrefixLength = mkOption {
type = types.addCheck types.int (n: n >= 0 && n <= 32);
default = 24;
description = ''
Subnet mask of the network, specified as the number of
bits in the prefix (<literal>24</literal>).
'';
};
internalBridgeInterfaceName = mkOption {
type = types.str;
default = "lan";
description = ''
Name of the virtual internal interface.
'';
};
};
config = mkIf cfg.enable {
networking = {
enableIPv6 = false; # TODO
nat = {
enable = true;
externalInterface = cfg.wanInterface;
internalInterfaces = [ cfg.internalBridgeInterfaceName ];
};
bridges.lan.interfaces = cfg.lanInterfaces ++ cfg.wirelessInterfaces;
interfaces.lan = {
ipv4 = {
addresses = [{
address = cfg.internalRouterIP;
prefixLength = cfg.internalPrefixLength;
}];
};
};
firewall.trustedInterfaces = [ cfg.internalBridgeInterfaceName ];
};
};
}