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6afb255d97
these changes were generated with nixq 0.0.2, by running nixq ">> lib.mdDoc[remove] Argument[keep]" --batchmode nixos/**.nix nixq ">> mdDoc[remove] Argument[keep]" --batchmode nixos/**.nix nixq ">> Inherit >> mdDoc[remove]" --batchmode nixos/**.nix two mentions of the mdDoc function remain in nixos/, both of which are inside of comments. Since lib.mdDoc is already defined as just id, this commit is a no-op as far as Nix (and the built manual) is concerned.
82 lines
2.5 KiB
Nix
82 lines
2.5 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.snowflake-proxy;
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in
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{
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options = {
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services.snowflake-proxy = {
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enable = mkEnableOption "snowflake-proxy, a system to defeat internet censorship";
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broker = mkOption {
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description = "Broker URL (default \"https://snowflake-broker.torproject.net/\")";
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type = with types; nullOr str;
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default = null;
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};
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capacity = mkOption {
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description = "Limits the amount of maximum concurrent clients allowed.";
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type = with types; nullOr int;
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default = null;
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};
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relay = mkOption {
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description = "websocket relay URL (default \"wss://snowflake.bamsoftware.com/\")";
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type = with types; nullOr str;
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default = null;
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};
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stun = mkOption {
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description = "STUN broker URL (default \"stun:stun.stunprotocol.org:3478\")";
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type = with types; nullOr str;
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default = null;
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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.snowflake-proxy = {
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wantedBy = [ "network-online.target" ];
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serviceConfig = {
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ExecStart =
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"${pkgs.snowflake}/bin/proxy " + concatStringsSep " " (
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optional (cfg.broker != null) "-broker ${cfg.broker}"
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++ optional (cfg.capacity != null) "-capacity ${builtins.toString cfg.capacity}"
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++ optional (cfg.relay != null) "-relay ${cfg.relay}"
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++ optional (cfg.stun != null) "-stun ${cfg.stun}"
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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 = [ "@system-service" "~@privileged" ];
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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; [ yayayayaka ];
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}
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