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-rw-r--r--makefu/3modules/umts.nix76
1 files changed, 76 insertions, 0 deletions
diff --git a/makefu/3modules/umts.nix b/makefu/3modules/umts.nix
new file mode 100644
index 000000000..d7be45f62
--- /dev/null
+++ b/makefu/3modules/umts.nix
@@ -0,0 +1,76 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+ # TODO: currently it is only netzclub
+ 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 = ''
+ Phone = *99***1#
+ Dial Command = ATDT
+ Modem = ${cfg.modem-device}
+ Baud = 460800
+ Init1 = AT+CGDCONT=1,"IP","pinternet.interkom.de","",0,0
+ Init2 = ATZ
+ Init3 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
+ ISDN = 0
+ Modem Type = Analog Modem
+ Username = netzclub
+ Password = netzclub
+ Stupid Mode = 1
+ Idle Seconds = 0'';
+
+ cfg = config.makefu.umts;
+
+ out = {
+ options.makefu.umts = api;
+ config = mkIf cfg.enable imp;
+ };
+
+ api = {
+ enable = mkEnableOption "umts";
+
+ modem-device = mkOption {
+ default = "/dev/ttyUSB0";
+ type = types.str;
+ description = ''
+ path to modem device, use <filename>/dev/serial/by-id/...</filename>
+ to avoid race conditions.
+ '';
+ };
+ };
+
+ imp = {
+ environment.shellAliases = {
+ umts = "sudo ${umts-bin}/bin/umts";
+ };
+ environment.systemPackages = [ ];
+
+ environment.wvdial.dialerDefaults = wvdial-defaults;
+
+ systemd.targets.network-umts = {
+ description = "System is running on UMTS";
+ unitConfig.StopWhenUnneeded = true;
+ };
+
+ systemd.services.umts = {
+ description = "UMTS wvdial Service";
+ before = [ "network-umts.target" ];
+
+ serviceConfig = {
+ Type = "simple";
+ Restart = "always";
+ RestartSec = "4s";
+ ExecStart = "${pkgs.wvdial}/bin/wvdial -n";
+ };
+ };
+ };
+in out