1 files changed, 16 insertions, 1 deletions
diff --git a/src/server/net/client.cpp b/src/server/net/client.cpp
index 135157c..584b254 100644
--- a/src/server/net/client.cpp
+++ b/src/server/net/client.cpp
@@ -11,6 +11,7 @@
 #include "../../shared/util.h"
 #include <QPixmap>
 #include <cassert>
+#include <QNetworkInterface>
 
 #define CHALLENGE_LEN 20
 
@@ -310,10 +311,24 @@ void Client::stopVncClient()
 	}
 }
 
+/***************************************************************************//**
+ * Checks if client and manager runs on same machine.
+ * @return Return true, if pvsmanager is running on client.
+ */
+bool Client::isManagerMachine()
+{
+	foreach (const QHostAddress &address, QNetworkInterface::allAddresses())
+		if (address != QHostAddress(QHostAddress::LocalHost)
+				&& this != NULL
+				&& this->ip() == address.toString())
+			return true;
+	return false;
+}
+
 /******************************************************************************/
 void Client::lockScreen(bool lock)
 {
-	if (!_isTutor && _locked != lock){
+	if (!_isTutor && _locked != lock && !isManagerMachine()){
 		_locked = lock;
 		NetworkMessage msg;
 		msg.setField(_ID, _LOCK);