WireGuard rework for MacOS and Windows (#314)

WireGuard rework for MacOS and Windows

client/platforms/windows/daemon/windowsdaemontunnel.cpp

@@ -0,0 +1,77 @@
+/* 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 "windowsdaemontunnel.h"
+
+#include <Windows.h>
+
+#include <QCoreApplication>
+
+//#include "commandlineparser.h"
+#include "constants.h"
+#include "leakdetector.h"
+#include "logger.h"
+#include "platforms/windows/daemon/wireguardutilswindows.h"
+#include "platforms/windows/windowsutils.h"
+
+namespace {
+Logger logger("WindowsDaemonTunnel");
+}  // namespace
+
+WindowsDaemonTunnel::WindowsDaemonTunnel() {
+  MZ_COUNT_CTOR(WindowsDaemonTunnel);
+}
+
+WindowsDaemonTunnel::~WindowsDaemonTunnel() {
+  MZ_COUNT_DTOR(WindowsDaemonTunnel);
+}
+
+int WindowsDaemonTunnel::run(QStringList& tokens) {
+  Q_ASSERT(!tokens.isEmpty());
+
+  logger.debug() << "Tunnel daemon service is starting";
+
+  QCoreApplication app();
+
+  QCoreApplication::setApplicationName("Amnezia VPN Tunnel");
+  QCoreApplication::setApplicationVersion(Constants::versionString());
+
+  if (tokens.length() != 2) {
+    logger.error() << "Expected 1 parameter only: the config file.";
+    return 1;
+  }
+  QString maybeConfig = tokens.at(1);
+
+  if (!maybeConfig.startsWith("[Interface]")) {
+    logger.error() << "parameter Does not seem to be a config";
+    return 1;
+  }
+  // This process will be used by the wireguard tunnel. No need to call
+  // FreeLibrary.
+  HMODULE tunnelLib = LoadLibrary(TEXT("tunnel.dll"));
+  if (!tunnelLib) {
+    WindowsUtils::windowsLog("Failed to load tunnel.dll");
+    return 1;
+  }
+
+  typedef bool WireGuardTunnelService(const ushort* settings,
+                                      const ushort* name);
+
+  WireGuardTunnelService* tunnelProc = (WireGuardTunnelService*)GetProcAddress(
+      tunnelLib, "WireGuardTunnelService");
+  if (!tunnelProc) {
+    WindowsUtils::windowsLog("Failed to get WireGuardTunnelService function");
+    return 1;
+  }
+  auto name = WireguardUtilsWindows::s_interfaceName();
+  if (!tunnelProc(maybeConfig.utf16(), name.utf16())) {
+    logger.error() << "Failed to activate the tunnel service";
+    return 1;
+  }
+
+  return 0;
+}
+
+//static Command::RegistrationProxy<WindowsDaemonTunnel>
+//    s_commandWindowsDaemonTunnel;