Add wwan networking
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4 changed files with 88 additions and 111 deletions
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@ -5,7 +5,7 @@
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{ config, pkgs, ... }:
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let routerConfig = {
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wanCardAddress = "00:0d:b9:51:a2:74";
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wanInterface = "wwp0s19u1u3i12";
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wireless = {
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wleInterface = "wlp5s0";
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wleSSID = "hauser";
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@ -25,12 +25,13 @@ let routerConfig = {
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in
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{
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imports =
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[
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../hardware/apu.nix
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../hardware/wle900vx.nix
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../role/base.nix
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../role/wwan.nix
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../role/networking/wwan.nix
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(import ../role/router.nix routerConfig)
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];
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@ -45,6 +46,7 @@ in
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];
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services.wwan = {
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enable = true;
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apn = "gprs.swisscom.ch";
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networkInterface = "wwp0s19u1u3i12";
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};
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@ -7,92 +7,65 @@ with lib;
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let
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cfg = config.services.wwan;
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mbim-ip = pkgs.writeScriptBin "mbim-ip" readFile ./wwan/mbim-ip.bash;
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mbim-ip-configured = pkgs.writeScriptBin "mbim-ip-configured" ''
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mbim-ip-configured = pkgs.writeScriptBin "mbim-ip-configured" (''
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#!${pkgs.stdenv.shell}
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MBIM_BINARY=${pkgs.libmbim}/bin/mbimcli
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MBIM_INTERFACE=${cfg.mbimInterface}
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exec ${mbim-ip} $@
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'';
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'' + (readFile ./wwan/mbim-ip.bash));
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in
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{
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options = {
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services.wwan = {
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enable = mkEnableOption "wwan client service";
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options.services.wwan = {
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enable = mkEnableOption "wwan client service";
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config = mkOption {
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type = types.attrsOf (types.submodule (
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{
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options = {
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apn = mkOption {
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type = types.str;
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description = ''
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APN domain of provider.
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'';
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};
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apn = mkOption {
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type = types.str;
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description = ''
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APN domain of provider.
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'';
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};
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apnUser = mkOption {
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type = types.str;
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default = "";
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description = ''
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APN username (optional).
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'';
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};
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apnUser = mkOption {
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type = types.str;
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default = "";
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description = ''
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APN username (optional).
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'';
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};
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apnPass = mkOption {
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type = types.str;
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default = "";
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description = ''
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APN password (optional).
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'';
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};
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apnPass = mkOption {
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type = types.str;
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default = "";
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description = ''
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APN password (optional).
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'';
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};
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apnAuth = mkOption {
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type = types.enum;
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values = [ "PAP" "CHAP" "MSCHAPV2" "" ];
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default = "";
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description = ''
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APN authentication type, one of ${concatMapStringsSep ", " show values} (optional).
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'';
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};
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apnAuth = mkOption {
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type = types.enum [ "PAP" "CHAP" "MSCHAPV2" "" ];
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default = "";
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description = ''
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APN authentication type, one of ${concatMapStringsSep ", " show values} (optional).
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'';
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};
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mbimProxy = mkOption {
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type = types.bool;
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default = true;
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description = ''
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Whether to use the mbim proxy or not.
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'';
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};
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mbimProxy = mkOption {
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type = types.bool;
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default = true;
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description = ''
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Whether to use the mbim proxy or not.
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'';
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};
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mbimInterface = mkOption {
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type = types.path;
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default = /dev/cdc-wdm0
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description = "MBIM Interface which the connection will use.";
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};
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mbimInterface = mkOption {
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type = types.str;
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default = "/dev/cdc-wdm0";
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description = ''
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MBIM Interface which the connection will use.
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'';
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};
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networkInterface = mkOption {
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type = types.str;
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description = "Name of the WWAN network interface";
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};
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};
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}
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));
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default = {};
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example = literalExample ''
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{
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wwan = {
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apn = "gprs.swisscom.ch";
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networkInterface = "wwp0s19u1u3i12";
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};
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}
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'';
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description = ''
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Configuration for WWAN connectivity using a MBIM capable card.
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'';
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};
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networkInterface = mkOption {
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type = types.str;
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description = "Name of the WWAN network interface";
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};
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};
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@ -100,27 +73,25 @@ in
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systemd.services."wwan" = {
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description = "WWAN connectivity";
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wantedBy = [ "network.target" ];
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wants = [ "sys-subsystem-net-devices-${cfg.networkInterface}.device"];
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bindsTo = [ "network-addresses-${cfg.networkInterface}.service" ];
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path = [ pkgs.libmbim pkgs.iproute ];
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serviceConfig = {
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ExecStart = "@${pkgs.libmbim}/bin/mbim-network ${toString cfg.mbimInterface} start";
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ExecStop = "@${pkgs.libmbim}/bin/mbim-network ${toString cfg.mbimInterface} stop";
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# MBIM networking is a special fellow - it gets the IP address for us,
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# but we need to manually set it to the interface
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ExecStartPost = "@${mbim-ip-configured} start ${cfg.networkInterface}";
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ExecStopPre = "@${mbim-ip-configured} stop ${cfg.networkInterface}";
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ExecStart = "${mbim-ip-configured}/bin/mbim-ip-configured start ${cfg.networkInterface}";
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ExecStop = "${mbim-ip-configured}/bin/mbim-ip-configured stop ${cfg.networkInterface}";
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RemainAfterExit = true;
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};
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};
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environment.etc."/etc/mbim-network.conf".text = ''
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APN=${cfg.apnUser}
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environment.etc."mbim-network.conf".text = ''
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APN=${cfg.apn}
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APN_USER=${cfg.apnUser}
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APN_PASS=${cfg.apnPass}
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APN_AUTH=${cfg.apnAuth}
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PROXY=${optionalString cfg.proxy "yes"}
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PROXY=${optionalString cfg.mbimProxy "yes"}
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'';
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networking.interfaces.${cfg.networkInterface}.useDHCP = false;
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};
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}
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@ -13,10 +13,6 @@ if [ "$MBIM_INTERFACE" == "" ]; then
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MBIM_INTERFACE="/dev/cdc-wdm0"
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fi
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if [ "$MBIM_BINARY" == "" ]; then
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MBIM_BINARY=mbimcli
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fi
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###############################################################################
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# Global Variables
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###############################################################################
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@ -32,6 +28,10 @@ ipv6_gateway=""
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ipv6_dns=()
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ipv6_mtu=""
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export previous_state state skip_line \
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ipv4_addresses ipv4_gateway ipv4_dns ipv4_mtu \
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ipv6_addresses ipv6_gateway ipv6_dns ipv6_mtu
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###############################################################################
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# Function
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###############################################################################
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@ -124,13 +124,13 @@ function parse_input_state_machine {
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state="start"
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while true; do
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if [[ "$skip_line" == 0 ]]; then
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read line
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read line || break # TODO: Clean up
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else
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skip_line=0
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fi
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case "$state" in
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"start")
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read line # first line is empty, read a new one #TODO: This is not very clean...
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read line || break # first line is empty, read a new one #TODO: This is not very clean...
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case "$line" in
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*"configuration available: 'none'"*)
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# Skip none state
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@ -267,17 +267,17 @@ function parse_input_state_machine {
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}
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interface_start(){
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interface_stop(){
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ip addr flush dev $DEV
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ip route flush dev $DEV
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ip -6 addr flush dev $DEV
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ip -6 p route flush dev $DEV
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ip -6 route flush dev $DEV
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#TODO: Nameserver?
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}
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interface_stop() {
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interface_start() {
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ip link set $DEV up
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if [[ "${#ipv4_addresses[@]}" > 0 ]]; then
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@ -285,6 +285,8 @@ interface_stop() {
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ip link set $DEV mtu $ipv4_mtu
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ip route add default via $ipv4_gateway dev $DEV
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#TODO: nameserver ${ipv4_dns[@]}
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else
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echo "No IPv4 address, skipping v4 configuration..."
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fi
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if [[ "${#ipv6_addresses[@]}" > 0 ]]; then
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@ -292,6 +294,8 @@ interface_stop() {
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ip -6 route add default via $ipv6_gateway dev $DEV
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ip -6 link set $DEV mtu $ipv6_mtu
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#TODO: nameserver ${ipv6_dns[@]}"
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else
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echo "No IPv6 address, skipping v6 configuration..."
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fi
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}
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@ -299,21 +303,27 @@ interface_stop() {
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# Execution
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###############################################################################
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set -x
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set -e
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echo "NOTE: This script does not yet support nameserver configuration."
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parse_input_state_machine <(${MBIM_BINARY} -d ${MBIM_INTERFACE} -p --query-ip-configuration=0)
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print_full_configuration
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case "$MODE" in
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"start")
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interface_stop
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mbim-network $MBIM_INTERFACE start
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sleep 1
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mbimcli -d $MBIM_INTERFACE -p --query-ip-configuration=0 | {
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parse_input_state_machine
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print_full_configuration
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interface_stop
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interface_start
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}
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;;
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"stop")
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interface_start
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mbim-network $MBIM_INTERFACE stop
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interface_stop
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;;
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*)
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echo "USAGE: $0 start|stop INTERFACE" >&2
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echo "You can set an env variable DEBUG to gather debugging output." >&2
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exit 1
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;;
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esac
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esac
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@ -1,7 +1,7 @@
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{
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# To get the MAC address of each card, use this command: cat /sys/class/net/*device_name*/address
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# Make sure to use the lower-case hex values in your udev rules. It does not like upper-case.
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wanCardAddress ? "00:0d:b9:48:55:be",
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wanInterface,
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wireless ? {
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wleInterface = "wlp5s0";
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wleSSID = "hauser";
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@ -26,17 +26,11 @@ in
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(import ./networking/wireless-access-point.nix wireless)
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(import ./networking/dns-recursive.nix lanNetwork)
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];
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# To get the MAC address of each card, use this command: cat /sys/class/net/*device_name*/address
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# Make sure to use the lower-case hex values in your udev rules. It does not like upper-case.
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services.udev.extraRules = ''
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SUBSYSTEM=="net", ACTION=="add", ATTR{address}=="${wanCardAddress}", NAME="wan"
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'';
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networking = {
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nat = {
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enable = true;
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externalInterface = "wan";
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externalInterface = wanInterface;
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internalInterfaces = [ "lan" ];
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};
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