set timelimit for flushDns

client/amnezia_application.cpp

@@ -55,9 +55,7 @@ AmneziaApplication::~AmneziaApplication()
     if (m_vpnConnection) {
         qDebug() << "AmneziaApplication have m_vpnConnection";
         QMetaObject::invokeMethod(m_vpnConnection.get(), "disconnectFromVpn", Qt::QueuedConnection);
-#ifndef Q_OS_LINUX
         QMetaObject::invokeMethod(m_vpnConnection.get(), "deleteLater", Qt::QueuedConnection);
-#endif
     }
 
     m_vpnConnectionThread.quit();

client/vpnconnection.cpp

@@ -443,12 +443,14 @@ void VpnConnection::disconnectFromVpn()
 #ifdef AMNEZIA_DESKTOP
     QString proto = m_settings->defaultContainerName(m_settings->defaultServerIndex());
     if (IpcClient::Interface()) {
-        IpcClient::Interface()->flushDns();
+
+        QRemoteObjectPendingReply<bool> flushDnsResp = IpcClient::Interface()->flushDns();
+        flushDnsResp.waitForFinished(1000);
 
         qDebug() << "Flushed DNS";
         // delete cached routes
-        QRemoteObjectPendingReply<bool> response = IpcClient::Interface()->clearSavedRoutes();
+        QRemoteObjectPendingReply<bool> clearSavedRoutesResp = IpcClient::Interface()->clearSavedRoutes();
-        response.waitForFinished(1000);
+        clearSavedRoutesResp.waitForFinished(1000);
     }
 
     qDebug() << "Flushed DNS and routes";

ipc/ipc_interface.rep

@@ -12,7 +12,7 @@ class IpcInterface
     SLOT( int routeAddList(const QString &gw, const QStringList &ips) );
     SLOT( bool clearSavedRoutes() );
     SLOT( bool routeDeleteList(const QString &gw, const QStringList &ip) );
-    SLOT( void flushDns() );
+    SLOT( bool flushDns() );
     SLOT( void resetIpStack() );
 
     SLOT( bool checkAndInstallDriver() );

ipc/ipcserver.cpp

@@ -83,7 +83,7 @@ bool IpcServer::routeDeleteList(const QString &gw, const QStringList &ips)
     return Router::routeDeleteList(gw, ips);
 }
 
-void IpcServer::flushDns()
+bool IpcServer::flushDns()
 {
 #ifdef MZ_DEBUG
     qDebug() << "IpcServer::flushDns";

ipc/ipcserver.h

@@ -23,7 +23,7 @@ public:
     virtual int routeAddList(const QString &gw, const QStringList &ips) override;
     virtual bool clearSavedRoutes() override;
     virtual bool routeDeleteList(const QString &gw, const QStringList &ips) override;
-    virtual void flushDns() override;
+    virtual bool flushDns() override;
     virtual void resetIpStack() override;
     virtual bool checkAndInstallDriver() override;
     virtual QStringList getTapList() override;

service/server/router.cpp

@@ -42,14 +42,14 @@ int Router::routeDeleteList(const QString &gw, const QStringList &ips)
 #endif
 }
 
-void Router::flushDns()
+bool Router::flushDns()
 {
 #ifdef Q_OS_WIN
-    RouterWin::Instance().flushDns();
+    return RouterWin::Instance().flushDns();
 #elif defined (Q_OS_MAC)
-    RouterMac::Instance().flushDns();
+    return RouterMac::Instance().flushDns();
 #elif defined Q_OS_LINUX
-    RouterLinux::Instance().flushDns();
+    return RouterLinux::Instance().flushDns();
 #endif
 }
 

service/server/router.h

@@ -19,7 +19,7 @@ public:
     static int routeAddList(const QString &gw, const QStringList &ips);
     static bool clearSavedRoutes();
     static int routeDeleteList(const QString &gw, const QStringList &ips);
-    static void flushDns();
+    static bool flushDns();
     static void resetIpStack();
     static bool createTun(const QString &dev, const QString &subnet);
     static bool deleteTun(const QString &dev);

service/server/router_linux.cpp

@@ -160,7 +160,7 @@ bool RouterLinux::isServiceActive(const QString &serviceName) {
     return process.exitCode() == 0;
 }
 
-void RouterLinux::flushDns()
+bool RouterLinux::flushDns()
 {
     QProcess p;
     p.setProcessChannelMode(QProcess::MergedChannels);
@@ -174,7 +174,7 @@ void RouterLinux::flushDns()
         p.start("systemctl", { "restart", "systemd-resolved" });
     } else {
         qDebug() << "No suitable DNS manager found.";
-        return;
+        return false;
     }
 
     p.waitForFinished();
@@ -183,6 +183,8 @@ void RouterLinux::flushDns()
         qDebug().noquote() << "Flush dns completed";
     else
         qDebug().noquote() << "OUTPUT systemctl restart nscd/systemd-resolved: " + output;
+
+    return true;
 }
 
 bool RouterLinux::createTun(const QString &dev, const QString &subnet) {

service/server/router_linux.h

@@ -30,7 +30,7 @@ public:
     bool routeDelete(const QString &ip, const QString &gw, const int &sock);
     bool routeDeleteList(const QString &gw, const QStringList &ips);
     QString getgatewayandiface();
-    void flushDns();
+    bool flushDns();
     bool createTun(const QString &dev, const QString &subnet);
     bool deleteTun(const QString &dev);
     void StartRoutingIpv6();

service/server/router_mac.cpp

@@ -166,7 +166,7 @@ bool RouterMac::deleteTun(const QString &dev)
     return true;
 }
 
-void RouterMac::flushDns()
+bool RouterMac::flushDns()
 {
     // sudo killall -HUP mDNSResponder
     QProcess p;
@@ -174,5 +174,7 @@ void RouterMac::flushDns()
 
     p.start("killall", QStringList() << "-HUP" << "mDNSResponder");
     p.waitForFinished();
+    
     qDebug().noquote() << "OUTPUT killall -HUP mDNSResponder: " + p.readAll();
+    return true;
 }

service/server/router_mac.h

@@ -29,7 +29,7 @@ public:
     bool clearSavedRoutes();
     bool routeDelete(const QString &ip, const QString &gw);
     bool routeDeleteList(const QString &gw, const QStringList &ips);
-    void flushDns();
+    bool flushDns();
     bool createTun(const QString &dev, const QString &subnet);
     bool deleteTun(const QString &dev);
     bool updateResolvers(const QString& ifname, const QList<QHostAddress>& resolvers);

service/server/router_win.cpp

@@ -273,7 +273,7 @@ int RouterWin::routeDeleteList(const QString &gw, const QStringList &ips)
     return success_count;
 }
 
-void RouterWin::flushDns()
+bool RouterWin::flushDns()
 {
     QProcess p;
     p.setProcessChannelMode(QProcess::MergedChannels);
@@ -281,6 +281,7 @@ void RouterWin::flushDns()
 
     p.start(command);
     p.waitForFinished();
+    return true;
     //qDebug().noquote() << "OUTPUT ipconfig /flushdns: " + p.readAll();
 }
 

service/server/router_win.h

@@ -39,7 +39,7 @@ public:
     int routeAddList(const QString &gw, const QStringList &ips);
     bool clearSavedRoutes();
     int routeDeleteList(const QString &gw, const QStringList &ips);
-    void flushDns();
+    bool flushDns();
     void resetIpStack();
 
     void StartRoutingIpv6();