diff --git a/nixos/doc/manual/release-notes/rl-2103.xml b/nixos/doc/manual/release-notes/rl-2103.xml index 55c1229a164..a77a60c46c2 100644 --- a/nixos/doc/manual/release-notes/rl-2103.xml +++ b/nixos/doc/manual/release-notes/rl-2103.xml @@ -56,6 +56,11 @@ section of the NixOS manual for more information. + + + Web Services Dynamic Discovery host daemon + + diff --git a/nixos/modules/module-list.nix b/nixos/modules/module-list.nix index 0a38fa31730..214d9356aa6 100644 --- a/nixos/modules/module-list.nix +++ b/nixos/modules/module-list.nix @@ -583,6 +583,7 @@ ./services/network-filesystems/orangefs/client.nix ./services/network-filesystems/rsyncd.nix ./services/network-filesystems/samba.nix + ./services/network-filesystems/samba-wsdd.nix ./services/network-filesystems/tahoe.nix ./services/network-filesystems/diod.nix ./services/network-filesystems/u9fs.nix diff --git a/nixos/modules/services/network-filesystems/samba-wsdd.nix b/nixos/modules/services/network-filesystems/samba-wsdd.nix new file mode 100644 index 00000000000..004d07064af --- /dev/null +++ b/nixos/modules/services/network-filesystems/samba-wsdd.nix @@ -0,0 +1,124 @@ +{ 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. + + If you use the firewall consider adding the following: + + networking.firewall.allowedTCPPorts = [ 5357 ]; + networking.firewall.allowedUDPPorts = [ 3702 ]; + + + ''; + 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" ]; + RestrictNamespaces = true; + LockPersonality = true; + MemoryDenyWriteExecute = true; + RestrictRealtime = true; + RestrictSUIDSGID = true; + PrivateMounts = true; + # System Call Filtering + SystemCallArchitectures = "native"; + SystemCallFilter = "~@clock @cpu-emulation @debug @module @mount @obsolete @privileged @raw-io @reboot @resources @swap"; + }; + }; + }; +}