commit 583a74d8ad7545b8791e651aea7865e5f170f44b · pyrox.dev/nixpkgs

nixos/modules/module-list.nix

···

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         ./services/networking/veilid.nix

     

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         ./services/networking/vdirsyncer.nix

     

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         ./services/networking/vsftpd.nix

     

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         ./services/networking/vwifi.nix

     

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         ./services/networking/wasabibackend.nix

     

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         ./services/networking/websockify.nix

     

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         ./services/networking/wg-access-server.nix

+200

nixos/modules/services/networking/vwifi.nix

···

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       {

     

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         config,

     

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         lib,

     

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         pkgs,

     

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         ...

     

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       }:

     

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       +
       

     

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       let

     

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         inherit (lib.modules) mkIf mkMerge;

     

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         inherit (lib.options) mkOption mkPackageOption mkEnableOption;

     

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         inherit (lib.lists) optional optionals;

     

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         inherit (lib.strings)

     

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           hasSuffix

     

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           escapeShellArgs

     

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           ;

     

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         inherit (lib) types;

     

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         cfg = config.services.vwifi;

     

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       in

     

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       {

     

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         options = {

     

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           services.vwifi =

     

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             let

     

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               mkOptionalPort =

     

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                 name:

     

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                 mkOption {

     

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                   description = ''

     

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                     The ${name} port. Set to null if we should leave it unset.

     

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                   '';

     

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                   type = with types; nullOr port;

     

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                   default = null;

     

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                 };

     

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             in

     

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             {

     

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               package = mkPackageOption pkgs "vwifi" { };

     

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               module = {

     

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                 enable = mkEnableOption "mac80211_hwsim module";

     

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                 numRadios = mkOption {

     

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                   description = "The number of virtual radio interfaces to create.";

     

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                   type = types.int;

     

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                   default = 1;

     

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                 };

     

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                 macPrefix = mkOption {

     

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                   description = ''

     

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                     The prefix for MAC addresses to use, without the trailing ':'.

     

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                     If one radio is created, you can specify the whole MAC address here.

     

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                     The default is defined in vwifi/src/config.h.

     

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                   '';

     

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                   type = types.strMatching "^(([0-9A-Fa-f]{2}:){0,5}[0-9A-Fa-f]{2})$";

     

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                   default = "74:F8:F6";

     

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                 };

     

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               };

     

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               client = {

     

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                 enable = mkEnableOption "vwifi client";

     

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                 spy = mkEnableOption "spy mode, useful for wireless monitors";

     

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                 serverAddress = mkOption {

     

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                   description = ''

     

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                     The address of the server. If set to null, will try to use the vsock protocol.

     

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                     Note that this assumes that the server is spawned on the host and passed through to

     

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                     QEMU, with something like:

     

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       +
       

     

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                     -device vhost-vsock-pci,id=vwifi0,guest-cid=42

     

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                   '';

     

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                   type = with types; nullOr str;

     

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                   default = null;

     

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                 };

     

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                 serverPort = mkOptionalPort "server port";

     

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                 extraArgs = mkOption {

     

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                   description = ''

     

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                     Extra arguments to pass to vwifi-client. You can use this if you want to bring

     

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                     the radios up using vwifi-client instead of at boot.

     

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                   '';

     

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                   type = with types; listOf str;

     

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                   default = [ ];

     

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                   example = [

     

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                     "--number"

     

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                     "3"

     

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                   ];

     

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                 };

     

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               };

     

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               server = {

     

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                 enable = mkEnableOption "vwifi server";

     

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                 vsock.enable = mkEnableOption "vsock kernel module";

     

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                 ports = {

     

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                   vhost = mkOptionalPort "vhost";

     

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                   tcp = mkOptionalPort "TCP server";

     

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                   spy = mkOptionalPort "spy interface";

     

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                   control = mkOptionalPort "control interface";

     

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                 };

     

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                 openFirewall = mkEnableOption "opening the firewall for the TCP and spy ports";

     

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                 extraArgs = mkOption {

     

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                   description = ''

     

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                     Extra arguments to pass to vwifi-server. You can use this for things including

     

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                     changing the ports or inducing packet loss.

     

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                   '';

     

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                   type = with types; listOf str;

     

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                   default = [ ];

     

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                   example = [ "--lost-packets" ];

     

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                 };

     

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               };

     

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             };

     

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         };

     

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         config = mkMerge [

     

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           (mkIf cfg.module.enable {

     

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             boot.kernelModules = [

     

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               "mac80211_hwsim"

     

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             ];

     

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             boot.extraModprobeConfig = ''

     

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               # We'll add more radios using vwifi-add-interfaces in the systemd unit.

     

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               options mac80211_hwsim radios=0

     

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             '';

     

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             systemd.services.vwifi-add-interfaces = mkIf (cfg.module.numRadios > 0) {

     

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               description = "vwifi interface bringup";

     

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               wantedBy = [ "network-pre.target" ];

     

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               serviceConfig = {

     

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                 Type = "oneshot";

     

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                 ExecStart =

     

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                   let

     

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                     args = [

     

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                       (toString cfg.module.numRadios)

     

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                       cfg.module.macPrefix

     

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                     ];

     

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                   in

     

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                   "${cfg.package}/bin/vwifi-add-interfaces ${escapeShellArgs args}";

     

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               };

     

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             };

     

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             assertions = [

     

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               {

     

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                 assertion = !(hasSuffix ":" cfg.module.macPrefix);

     

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                 message = ''

     

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                   services.vwifi.module.macPrefix should not have a trailing ":".

     

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                 '';

     

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               }

     

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             ];

     

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           })

     

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           (mkIf cfg.client.enable {

     

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             systemd.services.vwifi-client =

     

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               let

     

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                 clientArgs =

     

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                   optional cfg.client.spy "--spy"

     

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                   ++ optional (cfg.client.serverAddress != null) cfg.client.serverAddress

     

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                   ++ optionals (cfg.client.serverPort != null) [

     

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                     "--port"

     

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                     cfg.client.serverPort

     

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                   ]

     

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                   ++ cfg.client.extraArgs;

     

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               in

     

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               rec {

     

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                 description = "vwifi client";

     

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                 wantedBy = [ "multi-user.target" ];

     

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                 after = [ "network.target" ];

     

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                 requires = after;

     

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                 serviceConfig = {

     

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                   ExecStart = "${cfg.package}/bin/vwifi-client ${escapeShellArgs clientArgs}";

     

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                 };

     

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               };

     

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           })

     

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           (mkIf cfg.server.enable {

     

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             boot.kernelModules = mkIf cfg.server.vsock.enable [

     

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               "vhost_vsock"

     

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             ];

     

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             networking.firewall.allowedTCPPorts = mkIf cfg.server.openFirewall (

     

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               optional (cfg.server.ports.tcp != null) cfg.server.ports.tcp

     

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               ++ optional (cfg.server.ports.spy != null) cfg.server.ports.spy

     

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             );

     

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             systemd.services.vwifi-server =

     

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               let

     

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                 serverArgs =

     

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                   optionals (cfg.server.ports.vhost != null) [

     

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                     "--port-vhost"

     

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                     (toString cfg.server.ports.vhost)

     

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                   ]

     

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                   ++ optionals (cfg.server.ports.tcp != null) [

     

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                     "--port-tcp"

     

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                     (toString cfg.server.ports.tcp)

     

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                   ]

     

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                   ++ optionals (cfg.server.ports.spy != null) [

     

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                     "--port-spy"

     

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                     (toString cfg.server.ports.spy)

     

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                   ]

     

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                   ++ optionals (cfg.server.ports.control != null) [

     

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                     "--port-ctrl"

     

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                     (toString cfg.server.ports.control)

     

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                   ]

     

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                   ++ cfg.server.extraArgs;

     

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               in

     

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               rec {

     

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                 description = "vwifi server";

     

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                 wantedBy = [ "multi-user.target" ];

     

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                 after = [ "network.target" ];

     

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                 requires = after;

     

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                 serviceConfig = {

     

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                   ExecStart = "${cfg.package}/bin/vwifi-server ${escapeShellArgs serverArgs}";

     

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                 };

     

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               };

     

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           })

     

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         ];

     

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         meta.maintainers = with lib.maintainers; [ numinit ];

     

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       }