forked from mirrors/nixpkgs
82 lines
2.5 KiB
Nix
82 lines
2.5 KiB
Nix
|
{ config, lib, pkgs, ... }:
|
||
|
|
|
||
|
|
with lib;
|
||
|
|
|
||
|
|
let
|
||
|
|
cfg = config.services.snowflake-proxy;
|
||
|
|
in
|
||
|
|
{
|
||
|
|
options = {
|
||
|
|
services.snowflake-proxy = {
|
||
|
|
enable = mkEnableOption "System to defeat internet censorship";
|
||
|
|
|
||
|
|
broker = mkOption {
|
||
|
|
description = "Broker URL (default \"https://snowflake-broker.torproject.net/\")";
|
||
|
|
type = with types; nullOr str;
|
||
|
|
default = null;
|
||
|
|
};
|
||
|
|
|
||
|
|
capacity = mkOption {
|
||
|
|
description = "Limits the amount of maximum concurrent clients allowed.";
|
||
|
|
type = with types; nullOr int;
|
||
|
|
default = null;
|
||
|
|
};
|
||
|
|
|
||
|
|
relay = mkOption {
|
||
|
|
description = "websocket relay URL (default \"wss://snowflake.bamsoftware.com/\")";
|
||
|
|
type = with types; nullOr str;
|
||
|
|
default = null;
|
||
|
|
};
|
||
|
|
|
||
|
|
stun = mkOption {
|
||
|
|
description = "STUN broker URL (default \"stun:stun.stunprotocol.org:3478\")";
|
||
|
|
type = with types; nullOr str;
|
||
|
|
default = null;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
config = mkIf cfg.enable {
|
||
|
|
systemd.services.snowflake-proxy = {
|
||
|
|
wantedBy = [ "network-online.target" ];
|
||
|
|
serviceConfig = {
|
||
|
|
ExecStart =
|
||
|
|
"${pkgs.snowflake}/bin/proxy " + concatStringsSep " " (
|
||
|
|
optional (cfg.broker != null) "-broker ${cfg.broker}"
|
||
|
|
++ optional (cfg.capacity != null) "-capacity ${builtins.toString cfg.capacity}"
|
||
|
|
++ optional (cfg.relay != null) "-relay ${cfg.relay}"
|
||
|
|
++ optional (cfg.stun != null) "-stun ${cfg.stun}"
|
||
|
|
);
|
||
|
|
|
||
|
|
# 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; [ yayayayaka ];
|
||
|
|
}
|