func (m *Model) ClusterConfig(deviceID protocol.DeviceID, cm protocol.ClusterConfigMessage) { m.pmut.Lock() if cm.ClientName == "syncthing" { m.deviceVer[deviceID] = cm.ClientVersion } else { m.deviceVer[deviceID] = cm.ClientName + " " + cm.ClientVersion } event := map[string]string{ "id": deviceID.String(), "clientName": cm.ClientName, "clientVersion": cm.ClientVersion, } if conn, ok := m.rawConn[deviceID].(*tls.Conn); ok { event["addr"] = conn.RemoteAddr().String() } m.pmut.Unlock() events.Default.Log(events.DeviceConnected, event) l.Infof(`Device %s client is "%s %s"`, deviceID, cm.ClientName, cm.ClientVersion) var changed bool if name := cm.GetOption("name"); name != "" { l.Infof("Device %s name is %q", deviceID, name) device, ok := m.cfg.Devices()[deviceID] if ok && device.Name == "" { device.Name = name m.cfg.SetDevice(device) changed = true } } if m.cfg.Devices()[deviceID].Introducer { // This device is an introducer. Go through the announced lists of folders // and devices and add what we are missing. for _, folder := range cm.Folders { // If we don't have this folder yet, skip it. Ideally, we'd // offer up something in the GUI to create the folder, but for the // moment we only handle folders that we already have. if _, ok := m.folderDevices[folder.ID]; !ok { continue } nextDevice: for _, device := range folder.Devices { var id protocol.DeviceID copy(id[:], device.ID) if _, ok := m.cfg.Devices()[id]; !ok { // The device is currently unknown. Add it to the config. l.Infof("Adding device %v to config (vouched for by introducer %v)", id, deviceID) newDeviceCfg := config.DeviceConfiguration{ DeviceID: id, Compression: m.cfg.Devices()[deviceID].Compression, Addresses: []string{"dynamic"}, } // The introducers' introducers are also our introducers. if device.Flags&protocol.FlagIntroducer != 0 { l.Infof("Device %v is now also an introducer", id) newDeviceCfg.Introducer = true } m.cfg.SetDevice(newDeviceCfg) changed = true } for _, er := range m.deviceFolders[id] { if er == folder.ID { // We already share the folder with this device, so // nothing to do. continue nextDevice } } // We don't yet share this folder with this device. Add the device // to sharing list of the folder. l.Infof("Adding device %v to share %q (vouched for by introducer %v)", id, folder.ID, deviceID) m.deviceFolders[id] = append(m.deviceFolders[id], folder.ID) m.folderDevices[folder.ID] = append(m.folderDevices[folder.ID], id) folderCfg := m.cfg.Folders()[folder.ID] folderCfg.Devices = append(folderCfg.Devices, config.FolderDeviceConfiguration{ DeviceID: id, }) m.cfg.SetFolder(folderCfg) changed = true } } } if changed { m.cfg.Save() } }