159 lines
3.6 KiB
Nix
159 lines
3.6 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.gnunet;
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homeDir = "/var/lib/gnunet";
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configFile = with cfg; pkgs.writeText "gnunetd.conf"
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''
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[PATHS]
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SERVICEHOME = ${homeDir}
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[ats]
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WAN_QUOTA_IN = ${toString load.maxNetDownBandwidth} b
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WAN_QUOTA_OUT = ${toString load.maxNetUpBandwidth} b
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[datastore]
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QUOTA = ${toString fileSharing.quota} MB
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[transport-udp]
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PORT = ${toString udp.port}
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ADVERTISED_PORT = ${toString udp.port}
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[transport-tcp]
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PORT = ${toString tcp.port}
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ADVERTISED_PORT = ${toString tcp.port}
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${extraOptions}
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'';
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in
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{
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###### interface
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options = {
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services.gnunet = {
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enable = mkOption {
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default = false;
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description = ''
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Whether to run the GNUnet daemon. GNUnet is GNU's anonymous
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peer-to-peer communication and file sharing framework.
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'';
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};
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fileSharing = {
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quota = mkOption {
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default = 1024;
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description = ''
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Maximum file system usage (in MiB) for file sharing.
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'';
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};
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};
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udp = {
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port = mkOption {
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default = 2086; # assigned by IANA
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description = ''
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The UDP port for use by GNUnet.
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'';
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};
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};
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tcp = {
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port = mkOption {
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default = 2086; # assigned by IANA
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description = ''
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The TCP port for use by GNUnet.
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'';
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};
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};
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load = {
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maxNetDownBandwidth = mkOption {
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default = 50000;
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description = ''
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Maximum bandwidth usage (in bits per second) for GNUnet
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when downloading data.
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'';
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};
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maxNetUpBandwidth = mkOption {
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default = 50000;
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description = ''
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Maximum bandwidth usage (in bits per second) for GNUnet
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when downloading data.
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'';
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};
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hardNetUpBandwidth = mkOption {
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default = 0;
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description = ''
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Hard bandwidth limit (in bits per second) when uploading
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data.
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'';
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};
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};
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package = mkOption {
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type = types.package;
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default = pkgs.gnunet;
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defaultText = "pkgs.gnunet";
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description = "Overridable attribute of the gnunet package to use.";
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example = literalExample "pkgs.gnunet_git";
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};
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extraOptions = mkOption {
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default = "";
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description = ''
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Additional options that will be copied verbatim in `gnunet.conf'.
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See `gnunet.conf(5)' for details.
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'';
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};
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};
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};
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###### implementation
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config = mkIf config.services.gnunet.enable {
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users.extraUsers.gnunet = {
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group = "gnunet";
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description = "GNUnet User";
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home = homeDir;
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createHome = true;
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uid = config.ids.uids.gnunet;
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};
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users.extraGroups.gnunet.gid = config.ids.gids.gnunet;
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# The user tools that talk to `gnunetd' should come from the same source,
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# so install them globally.
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environment.systemPackages = [ cfg.package ];
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systemd.services.gnunet = {
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description = "GNUnet";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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path = [ cfg.package pkgs.miniupnpc ];
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environment.TMPDIR = "/tmp";
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serviceConfig.PrivateTemp = true;
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serviceConfig.ExecStart = "${cfg.package}/lib/gnunet/libexec/gnunet-service-arm -c ${configFile}";
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serviceConfig.User = "gnunet";
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serviceConfig.UMask = "0007";
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serviceConfig.WorkingDirectory = homeDir;
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};
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};
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}
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