dotfiles/modules/router-dns/default.nix

52 lines
1.6 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
routerCfg = config.services.qois.router;
dhcpCfg = config.services.qois.router.dhcp;
cfg = config.services.qois.router.recursiveDns;
in {
options.services.qois.router.recursiveDns = {
enable = mkEnableOption "router recursive dns service";
networkIdIp = mkOption {
type = types.str;
example = "192.168.0.0";
description = ''
Network ID IP of local network.
'';
};
};
config = mkIf cfg.enable {
services.unbound = let
revIpDomain = concatStringsSep "."
(reverseList (take 3 (splitString "." cfg.networkIdIp)));
in {
enable = true;
interfaces = [ "127.0.0.1" routerCfg.internalRouterIP ];
allowedAccess = [
"127.0.0.0/24"
"${cfg.networkIdIp}/${toString routerCfg.internalPrefixLength}"
];
extraConfig = mkIf dhcpCfg.enable ''
# Custom configuration (leave this note to assure indentation!)
do-not-query-localhost: no
private-domain: "${dhcpCfg.localDomain}."
domain-insecure: "${dhcpCfg.localDomain}."
private-domain: "${revIpDomain}.in-addr.arpa."
domain-insecure: "${revIpDomain}.in-addr.arpa."
local-zone: "${revIpDomain}.in-addr.arpa" transparent
forward-zone:
name: "${dhcpCfg.localDomain}."
forward-addr: 127.0.0.1@${toString dhcpCfg.localDnsPort}
forward-zone:
name: "${revIpDomain}.in-addr.arpa."
forward-addr: 127.0.0.1@${toString dhcpCfg.localDnsPort}
'';
};
};
}