blob: 134c71430cd0776079b9d788bcc8765b43dd2ec7 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.chisel-server;
in {
options = {
services.chisel-server = {
enable = mkEnableOption (mdDoc "Chisel Tunnel Server");
host = mkOption {
description = mdDoc "Address to listen on, falls back to 0.0.0.0";
type = with types; nullOr str;
default = null;
example = "[::1]";
};
port = mkOption {
description = mdDoc "Port to listen on, falls back to 8080";
type = with types; nullOr port;
default = null;
};
authfile = mkOption {
description = mdDoc "Path to auth.json file";
type = with types; nullOr path;
default = null;
};
keepalive = mkOption {
description = mdDoc "Keepalive interval, falls back to 25s";
type = with types; nullOr str;
default = null;
example = "5s";
};
backend = mkOption {
description = mdDoc "HTTP server to proxy normal requests to";
type = with types; nullOr str;
default = null;
example = "http://127.0.0.1:8888";
};
socks5 = mkOption {
description = mdDoc "Allow clients access to internal SOCKS5 proxy";
type = types.bool;
default = false;
};
reverse = mkOption {
description = mdDoc "Allow clients reverse port forwarding";
type = types.bool;
default = false;
};
};
};
config = mkIf cfg.enable {
systemd.services.chisel-server = {
description = "Chisel Tunnel Server";
wantedBy = [ "network-online.target" ];
serviceConfig = {
ExecStart = "${pkgs.chisel}/bin/chisel server " + concatStringsSep " " (
optional (cfg.host != null) "--host ${cfg.host}"
++ optional (cfg.port != null) "--port ${builtins.toString cfg.port}"
++ optional (cfg.authfile != null) "--authfile ${cfg.authfile}"
++ optional (cfg.keepalive != null) "--keepalive ${cfg.keepalive}"
++ optional (cfg.backend != null) "--backend ${cfg.backend}"
++ optional cfg.socks5 "--socks5"
++ optional cfg.reverse "--reverse"
);
# Security Hardening
# Refer to systemd.exec(5) for option descriptions.
CapabilityBoundingSet = "";
# implies RemoveIPC=, PrivateTmp=, NoNewPrivileges=, RestrictSUIDSGID=,
# ProtectSystem=strict, ProtectHome=read-only
DynamicUser = true;
LockPersonality = true;
PrivateDevices = true;
PrivateUsers = true;
ProcSubset = "pid";
ProtectClock = true;
ProtectControlGroups = true;
ProtectHome = true;
ProtectHostname = true;
ProtectKernelLogs = true;
ProtectProc = "invisible";
ProtectKernelModules = true;
ProtectKernelTunables = true;
RestrictAddressFamilies = [ "AF_INET" "AF_INET6" "AF_UNIX" ];
RestrictNamespaces = true;
RestrictRealtime = true;
SystemCallArchitectures = "native";
SystemCallFilter = "~@clock @cpu-emulation @debug @mount @obsolete @reboot @swap @privileged @resources";
UMask = "0077";
};
};
};
meta.maintainers = with maintainers; [ clerie ];
}
|