WireGuard for MacOS (#248)

* WireGuard for MacOS
* Fix openvpn block-outside-dns

client/platforms/ios/iosnetworkwatcher.mm

@@ -0,0 +1,79 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "iosnetworkwatcher.h"
+
+#include "leakdetector.h"
+#include "logger.h"
+
+#import <Network/Network.h>
+
+namespace {
+Logger logger("IOSNetworkWatcher");
+dispatch_queue_t s_queue = dispatch_queue_create("VPNNetwork.queue", DISPATCH_QUEUE_SERIAL);
+}
+
+IOSNetworkWatcher::IOSNetworkWatcher(QObject* parent) : NetworkWatcherImpl(parent) {
+  MZ_COUNT_CTOR(IOSNetworkWatcher);
+}
+
+IOSNetworkWatcher::~IOSNetworkWatcher() {
+  MZ_COUNT_DTOR(IOSNetworkWatcher);
+  if (m_networkMonitor != nil) {
+    nw_path_monitor_cancel(m_networkMonitor);
+    nw_release(m_networkMonitor);
+  }
+}
+
+void IOSNetworkWatcher::initialize() {
+  m_networkMonitor = nw_path_monitor_create();
+  nw_path_monitor_set_queue(m_networkMonitor, s_queue);
+  nw_path_monitor_set_update_handler(m_networkMonitor, ^(nw_path_t _Nonnull path) {
+    m_currentDefaultTransport = toTransportType(path);
+  });
+  nw_path_monitor_start(m_networkMonitor);
+
+  //TODO IMPL FOR AMNEZIA
+}
+
+NetworkWatcherImpl::TransportType IOSNetworkWatcher::getTransportType() {
+  //TODO IMPL FOR AMNEZIA
+
+  if (m_observableConnection != nil) {
+    return m_currentVPNTransport;
+  }
+  // If we don't have an open tunnel-observer, m_currentVPNTransport is probably wrong.
+  return NetworkWatcherImpl::TransportType_Unknown;
+}
+
+NetworkWatcherImpl::TransportType IOSNetworkWatcher::toTransportType(nw_path_t path) {
+  if (path == nil) {
+    return NetworkWatcherImpl::TransportType_Unknown;
+  }
+  auto status = nw_path_get_status(path);
+  if (status != nw_path_status_satisfied && status != nw_path_status_satisfiable) {
+    // We're offline.
+    return NetworkWatcherImpl::TransportType_None;
+  }
+  if (nw_path_uses_interface_type(path, nw_interface_type_wifi)) {
+    return NetworkWatcherImpl::TransportType_WiFi;
+  }
+  if (nw_path_uses_interface_type(path, nw_interface_type_wired)) {
+    return NetworkWatcherImpl::TransportType_Ethernet;
+  }
+  if (nw_path_uses_interface_type(path, nw_interface_type_cellular)) {
+    return NetworkWatcherImpl::TransportType_Cellular;
+  }
+  if (nw_path_uses_interface_type(path, nw_interface_type_other)) {
+    return NetworkWatcherImpl::TransportType_Other;
+  }
+  if (nw_path_uses_interface_type(path, nw_interface_type_loopback)) {
+    return NetworkWatcherImpl::TransportType_Other;
+  }
+  return NetworkWatcherImpl::TransportType_Unknown;
+}
+
+void IOSNetworkWatcher::controllerStateChanged() {
+  //TODO IMPL FOR AMNEZIA
+}