diff --git a/modules/services/dnsmasq.nix b/modules/services/dnsmasq.nix new file mode 100644 index 00000000..c9e9f46f --- /dev/null +++ b/modules/services/dnsmasq.nix @@ -0,0 +1,67 @@ +{ config, lib, pkgs, ... }: + +with lib; + +let + cfg = config.services.dnsmasq; + mapA = f: attrs: with builtins; attrValues (mapAttrs f attrs); +in + +{ + options = { + services.dnsmasq.enable = mkOption { + type = types.bool; + default = false; + description = "Whether to enable DNSmasq."; + }; + + services.dnsmasq.package = mkOption { + type = types.path; + default = pkgs.dnsmasq; + defaultText = "pkgs.dnsmasq"; + description = "This option specifies the dnsmasq package to use."; + }; + + services.dnsmasq.bind = mkOption { + type = types.string; + default = "127.0.0.1"; + description = "This option specifies the interface on which DNSmasq will listen."; + }; + + services.dnsmasq.port = mkOption { + type = types.int; + default = 53; + description = "This option specifies port on which DNSmasq will listen."; + }; + + services.dnsmasq.addresses = mkOption { + type = types.attrs; + default = {}; + description = "List of domains that will be redirected by the DNSmasq"; + }; + }; + + config = mkIf cfg.enable { + environment.systemPackages = [ cfg.package ]; + + launchd.daemons.dnsmasq = { + serviceConfig.ProgramArguments = [ + "${cfg.package}/bin/dnsmasq" + "--listen-address=${cfg.bind}" + "--port=${toString cfg.port}" + "--keep-in-foreground" + ] ++ (mapA (domain: addr: "--address=/${domain}/${addr}") cfg.addresses); + + serviceConfig.KeepAlive = true; + serviceConfig.RunAtLoad = true; + }; + + environment.etc = builtins.listToAttrs (builtins.map (domain: { + name = "resolver/${domain}"; + value = { + enable = true; + text = "nameserver ${cfg.bind}.${toString cfg.port}"; + }; + }) (builtins.attrNames cfg.addresses)); + }; +}