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-rw-r--r--lass/2configs/umts.nix62
1 files changed, 62 insertions, 0 deletions
diff --git a/lass/2configs/umts.nix b/lass/2configs/umts.nix
new file mode 100644
index 000000000..c1fce9ea2
--- /dev/null
+++ b/lass/2configs/umts.nix
@@ -0,0 +1,62 @@
+{ config, lib, pkgs, ... }:
+
+with config.krebs.lib;
+
+let
+ 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
+
+ modem-device = "/dev/serial/by-id/usb-Lenovo_F5521gw_38214921FBBBC7B0-if09";
+
+ # TODO: currently it is only netzclub
+ umts-bin = pkgs.writeScriptBin "umts" ''
+ #!/bin/sh
+ set -euf
+ systemctl stop wpa_supplicant
+ systemctl start umts
+ trap "systemctl stop umts && systemctl start wpa_supplicant;trap - INT TERM EXIT;exit" INT TERM EXIT
+ echo nameserver 8.8.8.8 | tee -a /etc/resolv.conf
+ journalctl -xfu umts
+ '';
+
+ wvdial-defaults = ''
+ Modem = ${modem-device}
+ Init1 = AT+CFUN=1
+ Init2 = AT+CGDCONT=1,"IP","pinternet.interkom.de","",0,0
+ Baud = 460800
+ phone= *99#
+ Username = netzclub
+ Password = netzclub
+ Stupid Mode = 1
+ Idle Seconds = 0
+ '';
+
+
+ out = {
+ environment.shellAliases = {
+ umts = "sudo ${umts-bin}/bin/umts";
+ };
+
+ security.sudo.extraConfig = ''
+ lass ALL= (root) NOPASSWD: ${umts-bin}/bin/umts
+ '';
+
+ environment.wvdial.dialerDefaults = wvdial-defaults;
+
+ systemd.services.umts = {
+ description = "UMTS wvdial Service";
+ serviceConfig = {
+ Type = "simple";
+ Restart = "always";
+ RestartSec = "10s";
+ ExecStart = "${wvdial}/bin/wvdial -n";
+ };
+ };
+ };
+in out
+