diff options
Diffstat (limited to 'tv/3modules/umts.nix')
-rw-r--r-- | tv/3modules/umts.nix | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/tv/3modules/umts.nix b/tv/3modules/umts.nix new file mode 100644 index 0000000..a606270 --- /dev/null +++ b/tv/3modules/umts.nix @@ -0,0 +1,99 @@ +with import <stockholm/lib>; +{ config, lib, pkgs, ... }: let + + cfg = config.tv.umts; + + umts-dial = pkgs.writeDash "umts-dial" '' + set -euf + ${pkgs.systemd}/bin/systemctl start umts + trap 'cleanup; trap - EXIT INT TERM' EXIT INT TERM + cleanup() { + ${pkgs.systemd}/bin/systemctl stop umts + } + echo nameserver 8.8.8.8 >> /etc/resolv.conf + ${pkgs.systemd}/bin/journalctl -xfu umts + ''; + + # https://github.com/NixOS/nixpkgs/issues/16113 + wvdial = let + nixpkgs-1509 = import (pkgs.fetchFromGitHub { + owner = "NixOS"; repo = "nixpkgs-channels"; + rev = "91371c2bb6e20fc0df7a812332d99c38b21a2bda"; + sha256 = "1as1i0j9d2n3iap9b471y4x01561r2s3vmjc5281qinirlr4al73"; + }) {}; + in + nixpkgs-1509.wvdial; + +in { + options.tv.umts = { + enable = mkEnableOption "tv.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 + ''; + }; + }; + + config = lib.mkIf cfg.enable { + environment.etc = { + "ppp/peers/wvdial".text = cfg.pppDefaults; + "wvdial.conf".text = '' + [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 + ''; + }; + + krebs.per-user.tv.packages = [ + (pkgs.writeDashBin "umts" '' + exec sudo ${umts-dial} + '') + ]; + + security.sudo.extraConfig = '' + tv ALL= (root) NOPASSWD: ${umts-dial} + ''; + + systemd.services.umts = { + description = "UMTS wvdial Service"; + serviceConfig = { + Type = "simple"; + Restart = "always"; + RestartSec = "10s"; + ExecStart = "${wvdial}/bin/wvdial -n"; + }; + }; + }; +} |