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authortv <tv@krebsco.de>2017-10-24 22:30:23 +0200
committertv <tv@krebsco.de>2017-10-24 23:07:45 +0200
commitb091ebbab79d6780839ced56e3eef28241e6ea4c (patch)
treeaac95d51d4d3d0cee39d198f817ec74c84baf103 /tv/3modules/umts.nix
parentdaca154ce3c75d232ed6c8ccc2375ac681b213ad (diff)
tv umts: import from lass
Diffstat (limited to 'tv/3modules/umts.nix')
-rw-r--r--tv/3modules/umts.nix112
1 files changed, 112 insertions, 0 deletions
diff --git a/tv/3modules/umts.nix b/tv/3modules/umts.nix
new file mode 100644
index 000000000..ebf4f780f
--- /dev/null
+++ b/tv/3modules/umts.nix
@@ -0,0 +1,112 @@
+{ config, lib, pkgs, ... }:
+
+with import <stockholm/lib>;
+
+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