Work on ssl socket fixes

client/client.pro

@@ -1,5 +1,6 @@
 include(../nymea-remoteproxy.pri)
 include(../libnymea-remoteproxyclient/libnymea-remoteproxyclient.pri)
+include(../common/common.pri)
 
 TARGET = nymea-remoteproxy-client
 TEMPLATE = app

client/main.cpp

@@ -127,6 +127,9 @@ int main(int argc, char *argv[])
     QCommandLineOption uuidOption(QStringList() << "uuid", "The uuid of the client. If not specified, a new one will be created", "uuid");
     parser.addOption(uuidOption);
 
+    QCommandLineOption tcpOption(QStringList() << "tcp", "Use TCP as tronsport instead of web sockets.");
+    parser.addOption(tcpOption);
+
     QCommandLineOption verboseOption(QStringList() << "verbose", "Print more information about the connection.");
     parser.addOption(verboseOption);
 
@@ -165,10 +168,17 @@ int main(int argc, char *argv[])
         uuid = QUuid::createUuid();
     }
 
-    ProxyClient client(parser.value(nameOption), uuid);
-    client.setInsecure(parser.isSet(insecureOption));
-    client.setPingpong(parser.isSet(pingPongOption));
-    client.start(serverUrl, parser.value(tokenOption), parser.value(nonceOption));
+    if (parser.isSet(tcpOption)) {
+        ProxyClient client(parser.value(nameOption), uuid, RemoteProxyConnection::ConnectionTypeTcpSocket);
+        client.setInsecure(parser.isSet(insecureOption));
+        client.setPingpong(parser.isSet(pingPongOption));
+        client.start(serverUrl, parser.value(tokenOption), parser.value(nonceOption));
+    } else {
+        ProxyClient client(parser.value(nameOption), uuid, RemoteProxyConnection::ConnectionTypeWebSocket);
+        client.setInsecure(parser.isSet(insecureOption));
+        client.setPingpong(parser.isSet(pingPongOption));
+        client.start(serverUrl, parser.value(tokenOption), parser.value(nonceOption));
+    }
 
     return application.exec();
 }

client/proxyclient.cpp

@@ -31,12 +31,12 @@
 
 Q_LOGGING_CATEGORY(dcProxyClient, "ProxyClient")
 
-ProxyClient::ProxyClient(const QString &name, const QUuid &uuid, QObject *parent) :
+ProxyClient::ProxyClient(const QString &name, const QUuid &uuid, RemoteProxyConnection::ConnectionType connectionType, QObject *parent) :
     QObject(parent),
     m_name(name),
     m_uuid(uuid)
 {
-    m_connection = new RemoteProxyConnection(m_uuid, m_name, this);
+    m_connection = new RemoteProxyConnection(m_uuid, m_name, connectionType, this);
     qCDebug(dcProxyClient()) << "Creating remote proxy connection" << m_name << m_uuid.toString();
     connect(m_connection, &RemoteProxyConnection::ready, this, &ProxyClient::onClientReady);
     connect(m_connection, &RemoteProxyConnection::authenticated, this, &ProxyClient::onAuthenticationFinished);

client/proxyclient.h

@@ -41,7 +41,7 @@ class ProxyClient : public QObject
 {
     Q_OBJECT
 public:
-    explicit ProxyClient(const QString &name, const QUuid &uuid, QObject *parent = nullptr);
+    explicit ProxyClient(const QString &name, const QUuid &uuid, RemoteProxyConnection::ConnectionType connectionType, QObject *parent = nullptr);
 
     void setInsecure(bool insecure);
     void setPingpong(bool enable);

common/common.pri

@@ -1,4 +1,4 @@
-INCLUDEPATH += $$PWD
+#INCLUDEPATH += $$PWD
 
 HEADERS += \
     $$PWD/slipdataprocessor.h

debian/control

@@ -55,6 +55,15 @@ Description: The nymea remote proxy client for testing
   The nymea remote proxy client for testing
 
 
+Package: nymea-remoteproxy-tunnelclient
+Architecture: any
+Section: libs
+Depends: ${shlibs:Depends},
+         ${misc:Depends},
+Description: The nymea remote proxy tunnel client for testing
+  The nymea remote proxy tunnel client for testing
+
+
 Package: libnymea-remoteproxyclient
 Architecture: any
 Section: libs

debian/nymea-remoteproxy-tunnelclient.install.in

@@ -0,0 +1 @@
+usr/bin/nymea-remoteproxy-tunnelclient

libnymea-remoteproxy/server/tcpsocketserver.cpp

@@ -151,11 +151,21 @@ void SslServer::incomingConnection(qintptr socketDescriptor)
     qCDebug(dcTcpSocketServer()) << "Incomming connection" << sslSocket;
     connect(sslSocket, &QSslSocket::readyRead, this, &SslServer::onSocketReadyRead);
     connect(sslSocket, &QSslSocket::disconnected, this, &SslServer::onClientDisconnected);
+    connect(sslSocket, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(onSocketError(QAbstractSocket::SocketError)));
     connect(sslSocket, &QSslSocket::encrypted, this, [this, sslSocket](){
         qCDebug(dcTcpSocketServer()) << "SSL encryption established for" << sslSocket;
         emit clientConnected(sslSocket);
     });
 
+
+    typedef void (QSslSocket:: *sslErrorsSignal)(const QList<QSslError> &);
+    connect(sslSocket, static_cast<sslErrorsSignal>(&QSslSocket::sslErrors), this, [](const QList<QSslError> &errors) {
+        qCWarning(dcTcpSocketServer()) << "SSL Errors happened in the client connections:";
+        foreach (const QSslError &error, errors) {
+            qCWarning(dcTcpSocketServer()) << "SSL Error:" << error.error() << error.errorString();
+        }
+    });
+
     if (!sslSocket->setSocketDescriptor(socketDescriptor)) {
         qCWarning(dcTcpSocketServer()) << "Failed to set SSL socket descriptor.";
         delete sslSocket;
@@ -163,8 +173,9 @@ void SslServer::incomingConnection(qintptr socketDescriptor)
     }
 
     if (m_sslEnabled) {
-        sslSocket->setSslConfiguration(m_config);
         qCDebug(dcTcpSocketServer()) << "Start SSL encryption for" << sslSocket;
+        sslSocket->setSslConfiguration(m_config);
+        addPendingConnection(sslSocket);
         sslSocket->startServerEncryption();
     } else {
         emit clientConnected(sslSocket);
@@ -187,4 +198,9 @@ void SslServer::onSocketReadyRead()
     emit dataAvailable(sslSocket, data);
 }
 
+void SslServer::onSocketError(QAbstractSocket::SocketError error)
+{
+    qCWarning(dcTcpSocketServer()) << "Socket error occured" << error;
+}
+
 }

libnymea-remoteproxy/server/tcpsocketserver.h

@@ -60,6 +60,7 @@ protected:
 private slots:
     void onClientDisconnected();
     void onSocketReadyRead();
+    void onSocketError(QAbstractSocket::SocketError);
 
 };
 

libnymea-remoteproxyclient/libnymea-remoteproxyclient.pri

@@ -1,3 +1,5 @@
+include(../common/common.pri)
+
 INCLUDEPATH += $$PWD
 
 HEADERS += \

libnymea-remoteproxyclient/libnymea-remoteproxyclient.pro

@@ -4,10 +4,13 @@ TEMPLATE = lib
 TARGET = nymea-remoteproxyclient
 target.path = $$[QT_INSTALL_LIBS]
 
-include(../common/common.pri)
 include(libnymea-remoteproxyclient.pri)
 
-installheaders.files = remoteproxyconnection.h
+installheaders.files = \
+    remoteproxyconnection.h \
+    tunnelproxy/tunnelproxyremoteconnection.h \
+    tunnelproxy/tunnelproxysocket.h \
+    tcpsocketconnection.h
 installheaders.path = $$[QT_INSTALL_PREFIX]/include/nymea-remoteproxyclient/
 
 INSTALLS += target installheaders

libnymea-remoteproxyclient/tcpsocketconnection.cpp

@@ -39,9 +39,11 @@ TcpSocketConnection::TcpSocketConnection(QObject *parent) :
     connect(m_tcpSocket, &QSslSocket::disconnected, this, &TcpSocketConnection::onDisconnected);
     connect(m_tcpSocket, &QSslSocket::encrypted, this, &TcpSocketConnection::onEncrypted);
     connect(m_tcpSocket, &QSslSocket::readyRead, this, &TcpSocketConnection::onReadyRead);
-    connect(m_tcpSocket, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(onError(QAbstractSocket::SocketError)));
-    connect(m_tcpSocket, SIGNAL(stateChanged(QAbstractSocket::SocketState)), this, SLOT(onStateChanged(QAbstractSocket::SocketState)));
-    connect(m_tcpSocket, SIGNAL(sslErrors(QList<QSslError>)), this, SIGNAL(sslErrors(QList<QSslError>)));
+    typedef void (QSslSocket:: *errorSignal)(QAbstractSocket::SocketError);
+    connect(m_tcpSocket, static_cast<errorSignal>(&QSslSocket::error), this, &TcpSocketConnection::onError);
+    connect(m_tcpSocket, &QSslSocket::stateChanged, this, &TcpSocketConnection::onStateChanged);
+    typedef void (QSslSocket:: *sslErrorsSignal)(const QList<QSslError> &);
+    QObject::connect(m_tcpSocket, static_cast<sslErrorsSignal>(&QSslSocket::sslErrors), this, &TcpSocketConnection::sslErrors);
 }
 
 TcpSocketConnection::~TcpSocketConnection()
@@ -109,12 +111,12 @@ void TcpSocketConnection::onReadyRead()
 void TcpSocketConnection::connectServer(const QUrl &serverUrl)
 {
     setServerUrl(serverUrl);
-    qCDebug(dcRemoteProxyClientTcpSocket()) << "Connecting to" << this->serverUrl().toString();
-
     if (serverUrl.scheme() == "tcp") {
+        qCDebug(dcRemoteProxyClientTcpSocket()) << "Connecting to" << this->serverUrl().toString();
         m_tcpSocket->connectToHost(QHostAddress(this->serverUrl().host()), static_cast<quint16>(this->serverUrl().port()));
     } else {
         m_ssl = true;
+        qCDebug(dcRemoteProxyClientTcpSocket()) << "Connecting encrypted to" << this->serverUrl().toString();
         m_tcpSocket->connectToHostEncrypted(this->serverUrl().host(), static_cast<quint16>(this->serverUrl().port()));
     }
 }

libnymea-remoteproxyclient/tunnelproxy/tunnelproxysocketserver.cpp

@@ -30,7 +30,7 @@
 #include "tcpsocketconnection.h"
 #include "websocketconnection.h"
 #include "proxyjsonrpcclient.h"
-#include "../common/slipdataprocessor.h"
+#include "../../common/slipdataprocessor.h"
 
 Q_LOGGING_CATEGORY(dcTunnelProxySocketServer, "dcTunnelProxySocketServer")
 Q_LOGGING_CATEGORY(dcTunnelProxySocketServerTraffic, "dcTunnelProxySocketServerTraffic")

nymea-remoteproxy.pro

@@ -1,7 +1,7 @@
 include(nymea-remoteproxy.pri)
 
 TEMPLATE=subdirs
-SUBDIRS += server client libnymea-remoteproxy libnymea-remoteproxyclient 
+SUBDIRS += server client tunnelclient libnymea-remoteproxy libnymea-remoteproxyclient
 
 !disabletests {
     SUBDIRS += tests
@@ -13,6 +13,7 @@ SUBDIRS += server client libnymea-remoteproxy libnymea-remoteproxyclient
 
 server.depends = libnymea-remoteproxy
 client.depends = libnymea-remoteproxyclient
+tunnelclient.depends = libnymea-remoteproxyclient
 tests.depends = libnymea-remoteproxy libnymea-remoteproxyclient
 
 test.commands = LD_LIBRARY_PATH=${LD_LIBRARY_PATH}:$$top_builddir/libnymea-remoteproxy:$$top_builddir/libnymea-remoteproxyclient \

tests/test-tunnelproxy/remoteproxyteststunnelproxy.cpp

@@ -923,7 +923,6 @@ void RemoteProxyTestsTunnelProxy::tunnelProxyEndToEndTest()
     QVERIFY(receivedTestData2 == testData2);
 
 
-
     // ** Remote connection 2 **
 
     QString clientTwoName = "Client two";
@@ -978,7 +977,6 @@ void RemoteProxyTestsTunnelProxy::tunnelProxyEndToEndTest()
     QVERIFY(!remoteConnectionOne->remoteConnected());
     QVERIFY(!remoteConnectionTwo->remoteConnected());
 
-
     // Clean up
     tunnelProxyServer->deleteLater();
     remoteConnectionOne->deleteLater();

tests/testbase/testbase.pri

@@ -1,6 +1,6 @@
 RESOURCES += ../resources/resources.qrc
 
-include(../common/common.pri)
+include(../../common/common.pri)
 
 CONFIG += testcase
 QT += testlib

tunnelclient/clientconnection.cpp

@@ -0,0 +1,6 @@
+#include "clientconnection.h"
+
+ClientConnection::ClientConnection(QObject *parent) : QObject(parent)
+{
+
+}

tunnelclient/clientconnection.h

@@ -0,0 +1,16 @@
+#ifndef CLIENTCONNECTION_H
+#define CLIENTCONNECTION_H
+
+#include <QObject>
+
+class ClientConnection : public QObject
+{
+    Q_OBJECT
+public:
+    explicit ClientConnection(QObject *parent = nullptr);
+
+signals:
+
+};
+
+#endif // CLIENTCONNECTION_H

tunnelclient/main.cpp

@@ -0,0 +1,218 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+*
+*  Copyright 2013 - 2020, nymea GmbH
+*  Contact: contact@nymea.io
+*
+*  This file is part of nymea.
+*  This project including source code and documentation is protected by copyright law, and
+*  remains the property of nymea GmbH. All rights, including reproduction, publication,
+*  editing and translation, are reserved. The use of this project is subject to the terms of a
+*  license agreement to be concluded with nymea GmbH in accordance with the terms
+*  of use of nymea GmbH, available under https://nymea.io/license
+*
+*  GNU General Public License Usage
+*  Alternatively, this project may be redistributed and/or modified under
+*  the terms of the GNU General Public License as published by the Free Software Foundation,
+*  GNU version 3. this project is distributed in the hope that it will be useful, but WITHOUT ANY
+*  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+*  PURPOSE. See the GNU General Public License for more details.
+*
+*  You should have received a copy of the GNU General Public License along with this project.
+*  If not, see <https://www.gnu.org/licenses/>.
+*
+*  For any further details and any questions please contact us under contact@nymea.io
+*  or see our FAQ/Licensing Information on https://nymea.io/license/faq
+*
+* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+#include <QUrl>
+#include <QUuid>
+#include <QHash>
+#include <QCoreApplication>
+#include <QLoggingCategory>
+#include <QCommandLineParser>
+#include <QCommandLineOption>
+
+#include "serverconnection.h"
+#include "clientconnection.h"
+
+static QHash<QString, bool> s_loggingFilters;
+static const char *const normal = "\033[0m";
+static const char *const warning = "\e[33m";
+static const char *const error = "\e[31m";
+
+static void loggingCategoryFilter(QLoggingCategory *category)
+{    
+    if (s_loggingFilters.contains(category->categoryName())) {
+        bool debugEnabled = s_loggingFilters.value(category->categoryName());
+        category->setEnabled(QtDebugMsg, debugEnabled);
+        category->setEnabled(QtWarningMsg, debugEnabled || s_loggingFilters.value("Warnings"));
+    } else {
+        // Enable default debug output
+        category->setEnabled(QtDebugMsg, true);
+        category->setEnabled(QtWarningMsg, s_loggingFilters.value("qml") || s_loggingFilters.value("Warnings"));
+    }
+}
+
+static void consoleLogHandler(QtMsgType type, const QMessageLogContext& context, const QString& message)
+{
+    switch (type) {
+    case QtInfoMsg:
+        fprintf(stdout, "%s: %s\n", context.category, message.toUtf8().data());
+        break;
+    case QtDebugMsg:
+        fprintf(stdout, "%s: %s\n", context.category, message.toUtf8().data());
+        break;
+    case QtWarningMsg:
+        fprintf(stdout, "%s%s: %s%s\n", warning, context.category, message.toUtf8().data(), normal);
+        break;
+    case QtCriticalMsg:
+        fprintf(stdout, "%s%s: %s%s\n", error, context.category, message.toUtf8().data(), normal);
+        break;
+    case QtFatalMsg:
+        fprintf(stdout, "%s%s: %s%s\n", error, context.category, message.toUtf8().data(), normal);
+        break;
+    }
+    fflush(stdout);
+}
+
+int main(int argc, char *argv[])
+{
+    qInstallMessageHandler(consoleLogHandler);
+
+    QCoreApplication application(argc, argv);
+    application.setApplicationName(SERVER_NAME_STRING);
+    application.setOrganizationName("nymea");
+    application.setApplicationVersion(SERVER_VERSION_STRING);
+
+    // Default debug categories
+    s_loggingFilters.insert("ProxyClient", true);
+    s_loggingFilters.insert("RemoteProxyClientJsonRpc", false);
+    s_loggingFilters.insert("RemoteProxyClientWebSocket", false);
+    s_loggingFilters.insert("RemoteProxyClientConnection", false);
+    s_loggingFilters.insert("RemoteProxyClientJsonRpcTraffic", false);
+    s_loggingFilters.insert("RemoteProxyClientConnectionTraffic", false);
+
+    QCommandLineParser parser;
+    parser.addHelpOption();
+    parser.addVersionOption();
+    parser.setApplicationDescription(QString("\nThe nymea remote proxy  tunnel client application. This application allowes to register as client"
+                                             "or server on the tunnel proxy interface.\n\n"
+                                             "Version: %1\n"
+                                             "API version: %2\n\n"
+                                             "Copyright %3 2021 nymea GmbH <developer@nymea.io>\n")
+                                     .arg(SERVER_VERSION_STRING)
+                                     .arg(API_VERSION_STRING)
+                                     .arg(QChar(0xA9)));
+
+    QCommandLineOption urlOption(QStringList() << "u" << "url", "The proxy server url. Default ssl://dev-remoteproxy.nymea.io:2213", "url");
+    urlOption.setDefaultValue("ssl://dev-remoteproxy.nymea.io:2213");
+    parser.addOption(urlOption);
+
+    QCommandLineOption insecureOption(QStringList() << "i" << "igore-ssl", "Ignore SSL certificate errors.");
+    parser.addOption(insecureOption);
+
+    QCommandLineOption serverOption(QStringList() << "s" << "server", "Connect as tunnel proxy server connection.");
+    parser.addOption(serverOption);
+
+    QCommandLineOption clientOption(QStringList() << "c" << "client", "Connect as tunnel proxy client connection. The server uuid is required.");
+    parser.addOption(clientOption);
+
+    QCommandLineOption nameOption(QStringList() << "n" << "name", "The name of the connecting client.", "name");
+    parser.addOption(nameOption);
+
+    QCommandLineOption uuidOption(QStringList() << "u" << "uuid", "The uuid of the connecting client. If not specified, a new one will be created", "uuid");
+    parser.addOption(uuidOption);
+
+    QCommandLineOption serverUuidOption(QStringList() << "server-uuid", "The uuid of the server you want to connect to as client connection.");
+    parser.addOption(serverUuidOption);
+
+    QCommandLineOption verboseOption(QStringList() << "verbose", "Print more information about the connection.");
+    parser.addOption(verboseOption);
+
+    QCommandLineOption veryVerboseOption(QStringList() << "very-verbose", "Print the complete traffic information from the connection.");
+    parser.addOption(veryVerboseOption);
+
+    parser.process(application);
+
+    // Make sure not server and client given
+    if (parser.isSet(serverOption) && parser.isSet(clientOption)) {
+        qCritical() << "Please specify either beeing a client or a server connection, not both.";
+        exit(EXIT_FAILURE);
+    }
+
+    // Get the uuid to pick for the connection
+    QUuid uuid(parser.value(uuidOption));
+    if (uuid.isNull()) {
+        uuid = QUuid::createUuid();
+        qDebug() << "Picking automatic UUID" << uuid.toString();
+    }
+
+    QUrl serverUrl(parser.value(urlOption));
+    if (!serverUrl.isValid()) {
+        qCritical() << "Invalid proxy server url passed." << parser.value(urlOption);
+        exit(-1);
+    }
+
+    // Server, or if not specified server too
+    if (parser.isSet(serverOption) || (!parser.isSet(serverOption) && !parser.isSet(clientOption))) {
+        QString name = parser.value("name");
+        if (name.isEmpty()) {
+            name = "Server connection";
+            qDebug() << "Picking automatic name" << name;
+        }
+
+        // Enable verbose
+        if (parser.isSet(verboseOption) || parser.isSet(veryVerboseOption)) {
+            s_loggingFilters["default"] = true;
+            s_loggingFilters["TunnelProxySocketServer"] = true;
+            s_loggingFilters["RemoteProxyClientJsonRpc"] = true;
+            s_loggingFilters["RemoteProxyClientWebSocket"] = true;
+            s_loggingFilters["RemoteProxyClientConnection"] = true;
+        }
+
+        // Enable very verbose
+        if (parser.isSet(veryVerboseOption)) {
+            s_loggingFilters["RemoteProxyClientJsonRpcTraffic"] = true;
+            s_loggingFilters["TunnelProxySocketServerTraffic"] = true;
+        }
+        QLoggingCategory::installFilter(loggingCategoryFilter);
+
+
+        // Create the server connection
+        ServerConnection server(serverUrl, name, uuid, parser.isSet(insecureOption));
+
+        server.startServer();
+
+    } else {
+        // Client
+        QString name = parser.value("name");
+        if (name.isEmpty()) {
+            name = "Client connection";
+            qDebug() << "Picking automatic name" << name;
+        }
+
+        if (!parser.isSet(serverUuidOption)) {
+            qCritical() << "Please specify the server UUID you want to connect to using the --server-uuid parameter.";
+            exit(EXIT_FAILURE);
+        }
+
+        // Enable verbose
+        if (parser.isSet(verboseOption) || parser.isSet(veryVerboseOption)) {
+            s_loggingFilters["default"] = true;
+            s_loggingFilters["TunnelProxyRemoteConnection"] = true;
+            s_loggingFilters["RemoteProxyClientJsonRpc"] = true;
+            s_loggingFilters["RemoteProxyClientWebSocket"] = true;
+            s_loggingFilters["RemoteProxyClientConnection"] = true;
+        }
+
+        // Enable very verbose
+        if (parser.isSet(veryVerboseOption)) {
+            s_loggingFilters["RemoteProxyClientJsonRpcTraffic"] = true;
+            s_loggingFilters["TunnelProxySocketServerTraffic"] = true;
+        }
+        QLoggingCategory::installFilter(loggingCategoryFilter);
+    }
+
+    return application.exec();
+}

tunnelclient/serverconnection.cpp

@@ -0,0 +1,45 @@
+#include "serverconnection.h"
+
+ServerConnection::ServerConnection(const QUrl &serverUrl, const QString &name, const QUuid &uuid, bool insecure, QObject *parent) :
+    QObject(parent),
+    m_serverUrl(serverUrl),
+    m_name(name),
+    m_uuid(uuid),
+    m_insecure(insecure)
+{
+
+    m_socketServer = new TunnelProxySocketServer(m_uuid, m_name, this);
+
+    connect(m_socketServer, &TunnelProxySocketServer::clientConnected, this, [=](TunnelProxySocket *tunnelProxySocket){
+        qDebug() << "[+] Client connected" << tunnelProxySocket;
+    });
+
+    connect(m_socketServer, &TunnelProxySocketServer::clientDisconnected, this, [=](TunnelProxySocket *tunnelProxySocket){
+        qDebug() << "[-] Client disconnected" << tunnelProxySocket;
+    });
+
+    connect(m_socketServer, &TunnelProxySocketServer::runningChanged, this, [=](bool running){
+        qDebug() << "--> Server is" << (running ? "running" : "not running any more");
+        if (running) {
+            qDebug() << "--> Connected with" << m_socketServer->remoteProxyServer() << m_socketServer->remoteProxyServerName() << m_socketServer->remoteProxyServerVersion() << m_socketServer->remoteProxyApiVersion();
+        }
+    });
+
+    connect(m_socketServer, &TunnelProxySocketServer::sslErrors, this, [=](const QList<QSslError> &errors){
+        if (m_insecure) {
+            qDebug() << "SSL errors occured. Ignoring because explicit specified.";
+            m_socketServer->ignoreSslErrors();
+        } else {
+            qWarning() << "SSL errors occured:";
+            foreach (const QSslError &sslError, errors) {
+                qWarning() << "  --> " << sslError.errorString();
+            }
+        }
+    });
+
+}
+
+void ServerConnection::startServer()
+{
+    m_socketServer->startServer(m_serverUrl);
+}

tunnelclient/serverconnection.h

@@ -0,0 +1,28 @@
+#ifndef SERVERCONNECTION_H
+#define SERVERCONNECTION_H
+
+#include <QUuid>
+#include <QObject>
+
+#include "tunnelproxy/tunnelproxysocketserver.h"
+
+using namespace remoteproxyclient;
+
+class ServerConnection : public QObject
+{
+    Q_OBJECT
+public:
+    explicit ServerConnection(const QUrl &serverUrl, const QString &name, const QUuid &uuid, bool insecure, QObject *parent = nullptr);
+
+    void startServer();
+
+private:
+    QUrl m_serverUrl;
+    QString m_name;
+    QUuid m_uuid;
+    bool m_insecure = false;
+
+    TunnelProxySocketServer *m_socketServer = nullptr;
+};
+
+#endif // SERVERCONNECTION_H

tunnelclient/tunnelclient.pro

@@ -0,0 +1,20 @@
+include(../nymea-remoteproxy.pri)
+include(../libnymea-remoteproxyclient/libnymea-remoteproxyclient.pri)
+
+TARGET = nymea-remoteproxy-tunnelclient
+TEMPLATE = app
+
+INCLUDEPATH += ../libnymea-remoteproxy
+
+LIBS += -L$$top_builddir/libnymea-remoteproxyclient/ -lnymea-remoteproxyclient
+
+SOURCES += main.cpp \
+    clientconnection.cpp \
+    serverconnection.cpp
+
+target.path = $$[QT_INSTALL_PREFIX]/bin
+INSTALLS += target
+
+HEADERS += \
+    clientconnection.h \
+    serverconnection.h