File 0004-Do-not-let-lanlink-connections-stay-open-for-long-wi.patch of Package kdeconnect-kde

From fead2ecdbb1805c82f18d56aec11665b6beb3537 Mon Sep 17 00:00:00 2001
From: Aleix Pol <aleixpol@kde.org>
Date: Wed, 16 Sep 2020 02:44:38 +0200
Subject: [PATCH 4/9] Do not let lanlink connections stay open for long without
 authenticating

If there's no information received, close the socket to try again.

Thanks Matthias Gerstner <mgerstner@suse.de> for reporting this.
---
 core/backends/lan/lanlinkprovider.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/core/backends/lan/lanlinkprovider.cpp b/core/backends/lan/lanlinkprovider.cpp
index afccdd16..c739e093 100644
--- a/core/backends/lan/lanlinkprovider.cpp
+++ b/core/backends/lan/lanlinkprovider.cpp
@@ -364,6 +364,16 @@ void LanLinkProvider::newConnection()
         connect(socket, &QIODevice::readyRead,
                 this, &LanLinkProvider::dataReceived);
 
+        QTimer* timer = new QTimer(socket);
+        timer->setSingleShot(true);
+        timer->setInterval(1000);
+        connect(socket, &QSslSocket::encrypted,
+                timer, &QObject::deleteLater);
+        connect(timer, &QTimer::timeout, socket, [socket] {
+            qCWarning(KDECONNECT_CORE) << "LanLinkProvider/newConnection: Host timed out without sending any identity." << socket->peerAddress();
+            socket->disconnectFromHost();
+        });
+        timer->start();
     }
 }
 
-- 
2.28.0