PacketTunnelProvider about openvpnadapter HOT 13 OPEN

	<key>NSExtension</key>
<dict>  
    <key>NSExtensionPointIdentifier</key>  
    <string>com.apple.networkextension.packet-tunnel</string>  
    <key>NSExtensionPrincipalClass</key>  
    <string>$(PRODUCT_MODULE_NAME).PacketTunnelProvider</string>  
</dict>

class ViewController: NSViewController {
    
    var manager: NETunnelProviderManager?
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        // Do any additional setup after loading the view.
    }
    
    override var representedObject: Any? {
        didSet {
            // Update the view, if already loaded.
        }
    }
    
    @IBAction func establishVPNConnection(_ sender: Any) {
        let callback = { (error: Error?) -> Void in
            self.manager?.loadFromPreferences(completionHandler: { (error) in
                guard error == nil else {
                    print("\(error!.localizedDescription)")
                    return
                }
                
                let options: [String : NSObject] = [
                    "username": "freeopenvpn" as NSString,
                    "password": "819646439" as NSString
                ]
                
                do {
                   // this will call providerTunnerProvider startTunnel method
                    try self.manager?.connection.startVPNTunnel(options: options)
                } catch {
                    print("\(error.localizedDescription)")
                }
            })
        }
        
        configureVPN(callback: callback)
    }
    
}

extension ViewController {
    
    func configureVPN(callback: @escaping (Error?) -> Void) {
        NETunnelProviderManager.loadAllFromPreferences { (managers, error) in
            guard error == nil else {
                print("\(error!.localizedDescription)")
                callback(error)
                return
            }
            
            self.manager = managers?.first ?? NETunnelProviderManager()
            self.manager?.loadFromPreferences(completionHandler: { (error) in
                guard error == nil else {
                    print("\(error!.localizedDescription)")
                    callback(error)
                    return
                }
                
                let configurationFile = Bundle.main.url(forResource: "freeopenvpn_DE_udp", withExtension: "ovpn")
                let configurationContent = try! Data(contentsOf: configurationFile!)
                
                let tunnelProtocol = NETunnelProviderProtocol()
                tunnelProtocol.serverAddress = "freeopenvpn.org"
                tunnelProtocol.providerBundleIdentifier = "me.ss-abramchuk.openvpn-macos-client.tunnel-provider"
                tunnelProtocol.providerConfiguration = ["configuration": configurationContent]
                
                tunnelProtocol.disconnectOnSleep = false
                
                self.manager?.protocolConfiguration = tunnelProtocol
                self.manager?.localizedDescription = "OpenVPN macOS Client"
                
                self.manager?.isEnabled = true
                
                self.manager?.saveToPreferences(completionHandler: { (error) in
                    guard error == nil else {
                        print("\(error!.localizedDescription)")
                        callback(error)
                        return
                    }
                    
                    callback(nil)
                })
            })
        }
    }
    
}

exec connect
connecting
off