87 lines
2 KiB
Nix
87 lines
2 KiB
Nix
# NixOS module for iodine, ip over dns daemon
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{ config, pkgs, ... }:
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with pkgs.lib;
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let
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cfg = config.services.iodined;
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iodinedUser = "iodined";
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in
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{
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### configuration
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options = {
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services.iodined = {
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enable = mkOption {
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type = types.uniq types.bool;
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default = false;
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description = "Enable iodine, ip over dns daemon";
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};
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client = mkOption {
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type = types.uniq types.bool;
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default = false;
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description = "Start iodine in client mode";
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};
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ip = mkOption {
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type = types.str;
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default = "";
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description = "Assigned ip address or ip range";
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example = "172.16.10.1/24";
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};
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domain = mkOption {
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type = types.str;
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default = "";
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description = "Domain or subdomain of which nameservers point to us";
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example = "tunnel.mydomain.com";
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};
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extraConfig = mkOption {
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type = types.str;
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default = "";
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description = "Additional command line parameters";
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example = "-P mysecurepassword -l 192.168.1.10 -p 23";
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};
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};
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};
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### implementation
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config = mkIf cfg.enable {
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environment.systemPackages = [ pkgs.iodine ];
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boot.kernelModules = [ "tun" ];
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systemd.services.iodined = {
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description = "iodine, ip over dns daemon";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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serviceConfig.ExecStart = "${pkgs.iodine}/sbin/iodined -f -u ${iodinedUser} ${cfg.extraConfig} ${cfg.ip} ${cfg.domain}";
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};
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users.extraUsers = singleton {
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name = iodinedUser;
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uid = config.ids.uids.iodined;
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description = "Iodine daemon user";
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};
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users.extraGroups.iodined.gid = config.ids.gids.iodined;
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assertions = [{ assertion = if !cfg.client then cfg.ip != "" else true;
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message = "cannot start iodined without ip set";}
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{ assertion = cfg.domain != "";
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message = "cannot start iodined without domain name set";}];
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};
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}
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