{ config, lib, pkgs, ... }: with import ; let cfg = config.tv.umts; out = { options.tv.umts = api; config = lib.mkIf cfg.enable imp; }; api = { enable = mkEnableOption "umts"; modem = mkOption { type = types.str; default = "/dev/ttyUSB0"; }; initstrings = mkOption { type = types.str; default = '' Init1 = ATZ Init2 = ATQ0 V1 E1 S0=0 &C1 &D2 ''; }; username = mkOption { type = types.str; default = "default"; }; password = mkOption { type = types.str; default = "default"; }; pppDefaults = mkOption { type = types.str; default = '' noipdefault usepeerdns defaultroute persist noauth ''; }; }; nixpkgs-1509 = import (pkgs.fetchFromGitHub { owner = "NixOS"; repo = "nixpkgs-channels"; rev = "91371c2bb6e20fc0df7a812332d99c38b21a2bda"; sha256 = "1as1i0j9d2n3iap9b471y4x01561r2s3vmjc5281qinirlr4al73"; }) {}; wvdial = nixpkgs-1509.wvdial; # https://github.com/NixOS/nixpkgs/issues/16113 umts-bin = pkgs.writeScriptBin "umts" '' #!/bin/sh set -euf systemctl start umts trap "systemctl stop umts;trap - INT TERM EXIT;exit" INT TERM EXIT echo nameserver 8.8.8.8 | tee -a /etc/resolv.conf journalctl -xfu umts ''; wvdial-defaults = '' [Dialer Defaults] Modem = ${cfg.modem} ${cfg.initstrings} Modem Type = Analog Modem Baud = 460800 phone= *99# Username = ${cfg.username} Password = ${cfg.password} Stupid Mode = 1 Idle Seconds = 0 PPPD Path = ${pkgs.ppp}/bin/pppd ''; imp = { environment.shellAliases = { umts = "sudo ${umts-bin}/bin/umts"; }; environment.systemPackages = [ pkgs.ppp ]; security.sudo.extraConfig = '' tv ALL= (root) NOPASSWD: ${umts-bin}/bin/umts ''; environment.etc = [ { source = pkgs.writeText "wvdial.conf" wvdial-defaults; target = "wvdial.conf"; } { source = pkgs.writeText "wvdial" cfg.pppDefaults; target = "ppp/peers/wvdial"; } ]; systemd.services.umts = { description = "UMTS wvdial Service"; serviceConfig = { Type = "simple"; Restart = "always"; RestartSec = "10s"; ExecStart = "${wvdial}/bin/wvdial -n"; }; }; }; in out