commit 159d73f7a3b69841ccd587d439341d78f8c859c6 · pyrox.dev/nixpkgs

nixos/modules/module-list.nix

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         ./services/networking/blockbook-frontend.nix

     

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         ./services/networking/blocky.nix

     

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         ./services/networking/charybdis.nix

     

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         ./services/networking/chisel-server.nix

     

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         ./services/networking/cjdns.nix

     

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         ./services/networking/cloudflare-dyndns.nix

     

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         ./services/networking/cntlm.nix

+99

nixos/modules/services/networking/chisel-server.nix

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       { config, lib, pkgs, ... }:

     

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       with lib;

     

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       let

     

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         cfg = config.services.chisel-server;

     

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       in {

     

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         options = {

     

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           services.chisel-server = {

     

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             enable = mkEnableOption (mdDoc "Chisel Tunnel Server");

     

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             host = mkOption {

     

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               description = mdDoc "Address to listen on, falls back to 0.0.0.0";

     

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               type = with types; nullOr str;

     

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               default = null;

     

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               example = "[::1]";

     

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             };

     

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             port = mkOption {

     

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               description = mdDoc "Port to listen on, falls back to 8080";

     

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               type = with types; nullOr int;

     

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               default = null;

     

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             };

     

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             authfile = mkOption {

     

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               description = mdDoc "Path to auth.json file";

     

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               type = with types; nullOr path;

     

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               default = null;

     

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             };

     

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             keepalive  = mkOption {

     

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               description = mdDoc "Keepalive interval, falls back to 25s";

     

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               type = with types; nullOr str;

     

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               default = null;

     

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               example = "5s";

     

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             };

     

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             backend = mkOption {

     

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               description = mdDoc "HTTP server to proxy normal requests to";

     

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               type = with types; nullOr str;

     

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               default = null;

     

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               example = "http://127.0.0.1:8888";

     

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             };

     

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             socks5 = mkOption {

     

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               description = mdDoc "Allow clients access to internal SOCKS5 proxy";

     

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               type = types.bool;

     

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               default = false;

     

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             };

     

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             reverse = mkOption {

     

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               description = mdDoc "Allow clients reverse port forwarding";

     

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               type = types.bool;

     

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               default = false;

     

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             };

     

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           };

     

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         };

     

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         config = mkIf cfg.enable {

     

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           systemd.services.chisel-server = {

     

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             description = "Chisel Tunnel Server";

     

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

     

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             serviceConfig = {

     

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               ExecStart = "${pkgs.chisel}/bin/chisel server " + concatStringsSep " " (

     

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                 optional (cfg.host != null) "--host ${cfg.host}"

     

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                 ++ optional (cfg.port != null) "--port ${builtins.toString cfg.port}"

     

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                 ++ optional (cfg.authfile != null) "--authfile ${cfg.authfile}"

     

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                 ++ optional (cfg.keepalive != null) "--keepalive ${cfg.keepalive}"

     

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                 ++ optional (cfg.backend != null) "--backend ${cfg.backend}"

     

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                 ++ optional cfg.socks5 "--socks5"

     

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                 ++ optional cfg.reverse "--reverse"

     

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               );

     

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               # Security Hardening

     

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               # Refer to systemd.exec(5) for option descriptions.

     

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               CapabilityBoundingSet = "";

     

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               # implies RemoveIPC=, PrivateTmp=, NoNewPrivileges=, RestrictSUIDSGID=,

     

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               # ProtectSystem=strict, ProtectHome=read-only

     

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               DynamicUser = true;

     

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               LockPersonality = true;

     

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               PrivateDevices = true;

     

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               PrivateUsers = true;

     

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               ProcSubset = "pid";

     

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               ProtectClock = true;

     

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               ProtectControlGroups = true;

     

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               ProtectHome = true;

     

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               ProtectHostname = true;

     

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               ProtectKernelLogs = true;

     

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               ProtectProc = "invisible";

     

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               ProtectKernelModules = true;

     

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               ProtectKernelTunables = true;

     

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               RestrictAddressFamilies = [ "AF_INET" "AF_INET6" "AF_UNIX" ];

     

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               RestrictNamespaces = true;

     

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               RestrictRealtime = true;

     

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               SystemCallArchitectures = "native";

     

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               SystemCallFilter = "~@clock @cpu-emulation @debug @mount @obsolete @reboot @swap @privileged @resources";

     

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               UMask = "0077";

     

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             };

     

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           };

     

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         };

     

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         meta.maintainers = with maintainers; [ clerie ];

     

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       }