Method onFilter

Plugins/FtpServer/BackendFtpServer.cpp:116–167

}

bool CBackendFtpServer::onFilter(QSslSocket *socket)
{
    bool bFilte = false;
    if(!socket) return true;
    QString szIP = socket->peerAddress().toString();
    
    QStringList white = m_Para->GetWhitelist();
    QStringList black = m_Para->GetBlacklist();
    bool bInWhite = false;
    if(!white.isEmpty()) {
        foreach(auto i, white) {
            QHostAddress addr(szIP);
            auto sub = QHostAddress::parseSubnet(i);
            if(addr.isInSubnet(sub.first, sub.second)) {
                bInWhite = true;
                break;
            }
        }
    }

    if(!bInWhite && !black.isEmpty()) {
        foreach(auto i, black) {
            QHostAddress addr(szIP);
            auto sub = QHostAddress::parseSubnet(i);
            if(addr.isInSubnet(sub.first, sub.second)) {
                qInfo(log) << "Filet" << szIP << "in blacklist";
                return true;
            }
        }
    }

    if(bFilte) return true;

    if(m_Para->GetConnectCount() >= 0 && m_Para->GetConnectCount() <= m_Sockets.size()) {
        qDebug(log) << "Exceeded the allowed number of connections:" << m_Para->GetConnectCount();
        return true;
    }

    bool check = false;
    check = connect(socket, SIGNAL(disconnected()),
                    this, SLOT(slotDisconnected()));
    Q_ASSERT(check);
    
    quint16 port = socket->peerPort();
    m_Sockets.append(socket);
    m_nTotal++;
    emit sigConnectCount(m_nTotal, m_Sockets.size(), m_nDisconnect);
    emit sigConnected(szIP, port);
    qDebug(log) << "Current connect count:" << m_Sockets.size()
             << "; new connect from:" << szIP + ":" + QString::number(port);
    return false;
}

void CBackendFtpServer::slotDisconnected()
{