pyrox.dev
1{ config, lib, pkgs, ... }:
2
3with lib;
4
5let
6 cfg = config.services.sslh;
7 configFile = pkgs.writeText "sslh.conf" ''
8 verbose: ${if cfg.verbose then "true" else "false"};
9 foreground: true;
10 inetd: false;
11 numeric: false;
12 transparent: false;
13 timeout: "${toString cfg.timeout}";
14 user: "nobody";
15 pidfile: "${cfg.pidfile}";
16
17 listen:
18 (
19 { host: "${cfg.listenAddress}"; port: "${toString cfg.port}"; }
20 );
21
22 ${cfg.appendConfig}
23 '';
24 defaultAppendConfig = ''
25 protocols:
26 (
27 { name: "ssh"; service: "ssh"; host: "localhost"; port: "22"; probe: "builtin"; },
28 { name: "openvpn"; host: "localhost"; port: "1194"; probe: "builtin"; },
29 { name: "xmpp"; host: "localhost"; port: "5222"; probe: "builtin"; },
30 { name: "http"; host: "localhost"; port: "80"; probe: "builtin"; },
31 { name: "ssl"; host: "localhost"; port: "443"; probe: "builtin"; },
32 { name: "anyprot"; host: "localhost"; port: "443"; probe: "builtin"; }
33 );
34 '';
35in
36{
37 options = {
38 services.sslh = {
39 enable = mkEnableOption "sslh";
40
41 verbose = mkOption {
42 type = types.bool;
43 default = false;
44 description = "Verbose logs.";
45 };
46
47 timeout = mkOption {
48 type = types.int;
49 default = 2;
50 description = "Timeout in seconds.";
51 };
52
53 pidfile = mkOption {
54 type = types.path;
55 default = "/run/sslh.pid";
56 description = "PID file path for sslh daemon.";
57 };
58
59 listenAddress = mkOption {
60 type = types.str;
61 default = config.networking.hostName;
62 description = "Listening hostname.";
63 };
64
65 port = mkOption {
66 type = types.int;
67 default = 443;
68 description = "Listening port.";
69 };
70
71 appendConfig = mkOption {
72 type = types.str;
73 default = defaultAppendConfig;
74 description = "Verbatim configuration file.";
75 };
76 };
77 };
78
79 config = mkIf cfg.enable {
80 systemd.services.sslh = {
81 description = "Applicative Protocol Multiplexer (e.g. share SSH and HTTPS on the same port)";
82 after = [ "network.target" ];
83 wantedBy = [ "multi-user.target" ];
84 serviceConfig.ExecStart = "${pkgs.sslh}/bin/sslh -F${configFile}";
85 serviceConfig.KillMode = "process";
86 serviceConfig.PIDFile = "${cfg.pidfile}";
87 };
88 };
89}