130 lines
4.4 KiB
Nix
130 lines
4.4 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.samba-wsdd;
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in {
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options = {
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services.samba-wsdd = {
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enable = mkEnableOption (lib.mdDoc ''
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Web Services Dynamic Discovery host daemon. This enables (Samba) hosts, like your local NAS device,
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to be found by Web Service Discovery Clients like Windows.
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'');
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interface = mkOption {
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type = types.nullOr types.str;
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default = null;
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example = "eth0";
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description = lib.mdDoc "Interface or address to use.";
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};
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hoplimit = mkOption {
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type = types.nullOr types.int;
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default = null;
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example = 2;
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description = lib.mdDoc "Hop limit for multicast packets (default = 1).";
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};
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openFirewall = mkOption {
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description = lib.mdDoc ''
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Whether to open the required firewall ports in the firewall.
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'';
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default = false;
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type = lib.types.bool;
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};
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workgroup = mkOption {
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type = types.nullOr types.str;
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default = null;
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example = "HOME";
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description = lib.mdDoc "Set workgroup name (default WORKGROUP).";
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};
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hostname = mkOption {
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type = types.nullOr types.str;
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default = null;
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example = "FILESERVER";
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description = lib.mdDoc "Override (NetBIOS) hostname to be used (default hostname).";
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};
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domain = mkOption {
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type = types.nullOr types.str;
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default = null;
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description = lib.mdDoc "Set domain name (disables workgroup).";
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};
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discovery = mkOption {
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type = types.bool;
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default = false;
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description = lib.mdDoc "Enable discovery operation mode.";
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};
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listen = mkOption {
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type = types.str;
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default = "/run/wsdd/wsdd.sock";
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description = lib.mdDoc "Listen on path or localhost port in discovery mode.";
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};
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extraOptions = mkOption {
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type = types.listOf types.str;
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default = [ "--shortlog" ];
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example = [ "--verbose" "--no-http" "--ipv4only" "--no-host" ];
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description = lib.mdDoc "Additional wsdd options.";
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};
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};
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};
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config = mkIf cfg.enable {
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environment.systemPackages = [ pkgs.wsdd ];
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systemd.services.samba-wsdd = {
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description = "Web Services Dynamic Discovery host daemon";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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DynamicUser = true;
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Type = "simple";
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ExecStart = ''
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${pkgs.wsdd}/bin/wsdd ${optionalString (cfg.interface != null) "--interface '${cfg.interface}'"} \
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${optionalString (cfg.hoplimit != null) "--hoplimit '${toString cfg.hoplimit}'"} \
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${optionalString (cfg.workgroup != null) "--workgroup '${cfg.workgroup}'"} \
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${optionalString (cfg.hostname != null) "--hostname '${cfg.hostname}'"} \
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${optionalString (cfg.domain != null) "--domain '${cfg.domain}'"} \
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${optionalString cfg.discovery "--discovery --listen '${cfg.listen}'"} \
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${escapeShellArgs cfg.extraOptions}
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'';
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# Runtime directory and mode
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RuntimeDirectory = "wsdd";
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RuntimeDirectoryMode = "0750";
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# Access write directories
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UMask = "0027";
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# Capabilities
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CapabilityBoundingSet = "";
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# Security
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NoNewPrivileges = true;
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# Sandboxing
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ProtectSystem = "strict";
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ProtectHome = true;
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PrivateTmp = true;
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PrivateDevices = true;
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PrivateUsers = false;
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ProtectHostname = true;
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ProtectClock = true;
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ProtectKernelTunables = true;
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ProtectKernelModules = true;
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ProtectKernelLogs = true;
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ProtectControlGroups = true;
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RestrictAddressFamilies = [ "AF_UNIX" "AF_INET" "AF_INET6" "AF_NETLINK" ];
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RestrictNamespaces = true;
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LockPersonality = true;
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MemoryDenyWriteExecute = true;
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RestrictRealtime = true;
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RestrictSUIDSGID = true;
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PrivateMounts = true;
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# System Call Filtering
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SystemCallArchitectures = "native";
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SystemCallFilter = "~@cpu-emulation @debug @mount @obsolete @privileged @resources";
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};
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};
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networking.firewall = mkIf cfg.openFirewall {
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allowedTCPPorts = [ 5357 ];
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allowedUDPPorts = [ 3702 ];
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};
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};
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}
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