From 343e6a50dfabe2a622ada5f1cfebd457b1e303d7 Mon Sep 17 00:00:00 2001
From: pokamest <pokamest@gmail.com>
Date: Wed, 15 Dec 2021 14:53:07 +0300
Subject: [PATCH] resetIpStack added

---
 client/vpnconnection.cpp      |  1 +
 ipc/ipc_interface.rep         |  1 +
 ipc/ipcserver.cpp             |  5 +++++
 ipc/ipcserver.h               |  1 +
 service/server/router.cpp     | 11 +++++++++++
 service/server/router.h       |  1 +
 service/server/router_win.cpp | 21 +++++++++++++++++++++
 service/server/router_win.h   |  1 +
 8 files changed, 42 insertions(+)

diff --git a/client/vpnconnection.cpp b/client/vpnconnection.cpp
index 5837ce58b..85c9d5929 100644
--- a/client/vpnconnection.cpp
+++ b/client/vpnconnection.cpp
@@ -47,6 +47,7 @@ void VpnConnection::onConnectionStateChanged(VpnProtocol::VpnConnectionState sta
 {
     if (IpcClient::Interface()) {
         if (state == VpnProtocol::Connected){
+            IpcClient::Interface()->resetIpStack();
             IpcClient::Interface()->flushDns();
 
             if (m_settings.routeMode() != Settings::VpnAllSites) {
diff --git a/ipc/ipc_interface.rep b/ipc/ipc_interface.rep
index b0e89fa3d..9cb991107 100644
--- a/ipc/ipc_interface.rep
+++ b/ipc/ipc_interface.rep
@@ -11,6 +11,7 @@ class IpcInterface
     SLOT( bool clearSavedRoutes() );
     SLOT( bool routeDeleteList(const QString &gw, const QStringList &ip) );
     SLOT( void flushDns() );
+    SLOT( void resetIpStack() );
 
     SLOT( bool checkAndInstallDriver() );
     SLOT( QStringList getTapList() );
diff --git a/ipc/ipcserver.cpp b/ipc/ipcserver.cpp
index 7db1ded90..c32e043a7 100644
--- a/ipc/ipcserver.cpp
+++ b/ipc/ipcserver.cpp
@@ -83,6 +83,11 @@ void IpcServer::flushDns()
     return Router::flushDns();
 }
 
+void IpcServer::resetIpStack()
+{
+    Router::resetIpStack();
+}
+
 bool IpcServer::checkAndInstallDriver()
 {
 #ifdef Q_OS_WIN
diff --git a/ipc/ipcserver.h b/ipc/ipcserver.h
index 284cda21a..f01822816 100644
--- a/ipc/ipcserver.h
+++ b/ipc/ipcserver.h
@@ -20,6 +20,7 @@ class IpcServer : public IpcInterfaceSource
     virtual bool clearSavedRoutes() override;
     virtual bool routeDeleteList(const QString &gw, const QStringList &ips) override;
     virtual void flushDns() override;
+    virtual void resetIpStack() override;
     virtual bool checkAndInstallDriver() override;
     virtual QStringList getTapList() override;
 
diff --git a/service/server/router.cpp b/service/server/router.cpp
index 3890fcb3f..6b97e7957 100644
--- a/service/server/router.cpp
+++ b/service/server/router.cpp
@@ -53,3 +53,14 @@ void Router::flushDns()
 #endif
 }
 
+void Router::resetIpStack()
+{
+#ifdef Q_OS_WIN
+    RouterWin::Instance().resetIpStack();
+#elif defined (Q_OS_MAC)
+    // todo fixme
+#elif defined Q_OS_LINUX
+    // todo fixme
+#endif
+}
+
diff --git a/service/server/router.h b/service/server/router.h
index 59a25edef..c290f6640 100644
--- a/service/server/router.h
+++ b/service/server/router.h
@@ -19,6 +19,7 @@ class Router : public QObject
     static bool clearSavedRoutes();
     static int routeDeleteList(const QString &gw, const QStringList &ips);
     static void flushDns();
+    static void resetIpStack();
 };
 
 #endif // ROUTER_H
diff --git a/service/server/router_win.cpp b/service/server/router_win.cpp
index d242821ee..df4318054 100644
--- a/service/server/router_win.cpp
+++ b/service/server/router_win.cpp
@@ -289,6 +289,27 @@ void RouterWin::flushDns()
     //qDebug().noquote() << "OUTPUT ipconfig /flushdns: " + p.readAll();
 }
 
+void RouterWin::resetIpStack()
+{
+//    {
+//        QProcess p;
+//        QString command = QString("ipconfig /release");
+//        p.start(command);
+//    }
+    {
+        QProcess p;
+        QString command = QString("netsh int ip reset");
+        p.start(command);
+        p.waitForFinished();
+    }
+    {
+        QProcess p;
+        QString command = QString("netsh winsock reset");
+        p.start(command);
+        p.waitForFinished();
+    }
+}
+
 void RouterWin::suspendWcmSvc(bool suspend)
 {
     if (suspend == m_suspended) return;
diff --git a/service/server/router_win.h b/service/server/router_win.h
index 4858a766d..bf23d2089 100644
--- a/service/server/router_win.h
+++ b/service/server/router_win.h
@@ -39,6 +39,7 @@ class RouterWin : public QObject
     bool clearSavedRoutes();
     int routeDeleteList(const QString &gw, const QStringList &ips);
     void flushDns();
+    void resetIpStack();
 
     void suspendWcmSvc(bool suspend);