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-rw-r--r--tv/3modules/default.nix1
-rw-r--r--tv/3modules/umts.nix99
2 files changed, 100 insertions, 0 deletions
diff --git a/tv/3modules/default.nix b/tv/3modules/default.nix
index 493cc8b72..0fcf8cc9d 100644
--- a/tv/3modules/default.nix
+++ b/tv/3modules/default.nix
@@ -5,6 +5,7 @@
./hosts.nix
./iptables.nix
./nixpkgs-overlays.nix
+ ./umts.nix
./x0vncserver.nix
];
}
diff --git a/tv/3modules/umts.nix b/tv/3modules/umts.nix
new file mode 100644
index 000000000..a60627025
--- /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";
+ };
+ };
+ };
+}