WireGuard rework for MacOS and Windows (#314)

WireGuard rework for MacOS and Windows

client/platforms/windows/daemon/windowsdaemon.cpp

@@ -0,0 +1,81 @@
+/* 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 "windowsdaemon.h"
+
+#include <Windows.h>
+
+#include <QCoreApplication>
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QJsonValue>
+#include <QLocalSocket>
+#include <QNetworkInterface>
+#include <QTextStream>
+#include <QtGlobal>
+
+#include "dnsutilswindows.h"
+#include "leakdetector.h"
+#include "logger.h"
+#include "platforms/windows/windowscommons.h"
+#include "platforms/windows/windowsservicemanager.h"
+#include "windowsfirewall.h"
+
+namespace {
+Logger logger("WindowsDaemon");
+}
+
+WindowsDaemon::WindowsDaemon() : Daemon(nullptr), m_splitTunnelManager(this) {
+  MZ_COUNT_CTOR(WindowsDaemon);
+
+  m_wgutils = new WireguardUtilsWindows(this);
+  m_dnsutils = new DnsUtilsWindows(this);
+
+  connect(m_wgutils, &WireguardUtilsWindows::backendFailure, this,
+          &WindowsDaemon::monitorBackendFailure);
+  connect(this, &WindowsDaemon::activationFailure,
+          []() { WindowsFirewall::instance()->disableKillSwitch(); });
+}
+
+WindowsDaemon::~WindowsDaemon() {
+  MZ_COUNT_DTOR(WindowsDaemon);
+  logger.debug() << "Daemon released";
+}
+
+void WindowsDaemon::prepareActivation(const InterfaceConfig& config) {
+  // Before creating the interface we need to check which adapter
+  // routes to the server endpoint
+  auto serveraddr = QHostAddress(config.m_serverIpv4AddrIn);
+  m_inetAdapterIndex = WindowsCommons::AdapterIndexTo(serveraddr);
+}
+
+bool WindowsDaemon::run(Op op, const InterfaceConfig& config) {
+  if (op == Down) {
+    m_splitTunnelManager.stop();
+    return true;
+  }
+
+  if (op == Up) {
+    logger.debug() << "Tunnel UP, Starting SplitTunneling";
+    if (!WindowsSplitTunnel::isInstalled()) {
+      logger.warning() << "Split Tunnel Driver not Installed yet, fixing this.";
+      WindowsSplitTunnel::installDriver();
+    }
+  }
+
+  if (config.m_vpnDisabledApps.length() > 0) {
+    m_splitTunnelManager.start(m_inetAdapterIndex);
+    m_splitTunnelManager.setRules(config.m_vpnDisabledApps);
+  } else {
+    m_splitTunnelManager.stop();
+  }
+  return true;
+}
+
+void WindowsDaemon::monitorBackendFailure() {
+  logger.warning() << "Tunnel service is down";
+
+  emit backendFailure();
+  deactivate();
+}