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