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|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.sslh;
configFile = pkgs.writeText "sslh.conf" ''
verbose: ${if cfg.verbose then "true" else "false"};
foreground: true;
inetd: false;
numeric: false;
transparent: false;
timeout: "${toString cfg.timeout}";
user: "nobody";
pidfile: "${cfg.pidfile}";
listen:
(
{ host: "${cfg.host}"; port: "${toString cfg.port}"; }
);
${cfg.appendConfig}
'';
defaultAppendConfig = ''
protocols:
(
{ name: "ssh"; service: "ssh"; host: "localhost"; port: "22"; probe: "builtin"; },
{ name: "openvpn"; host: "localhost"; port: "1194"; probe: "builtin"; },
{ name: "xmpp"; host: "localhost"; port: "5222"; probe: "builtin"; },
{ name: "http"; host: "localhost"; port: "80"; probe: "builtin"; },
{ name: "ssl"; host: "localhost"; port: "443"; probe: "builtin"; },
{ name: "anyprot"; host: "localhost"; port: "443"; probe: "builtin"; }
);
'';
in
{
options = {
services.sslh = {
enable = mkEnableOption "sslh";
verbose = mkOption {
type = types.bool;
default = false;
description = "Verbose logs.";
};
timeout = mkOption {
type = types.int;
default = 2;
description = "Timeout in seconds.";
};
pidfile = mkOption {
type = types.path;
default = "/run/sslh.pid";
description = "PID file path for sslh daemon.";
};
host = mkOption {
type = types.str;
default = config.networking.hostName;
description = "Listening hostname.";
};
port = mkOption {
type = types.int;
default = 443;
description = "Listening port.";
};
appendConfig = mkOption {
type = types.str;
default = defaultAppendConfig;
description = "Verbatim configuration file.";
};
};
};
config = mkIf cfg.enable {
systemd.services.sslh = {
description = "Applicative Protocol Multiplexer (e.g. share SSH and HTTPS on the same port)";
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
serviceConfig.ExecStart = "${pkgs.sslh}/bin/sslh -F${configFile}";
serviceConfig.KillMode = "process";
serviceConfig.PIDFile = "${cfg.pidfile}";
};
};
}
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