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torben |
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/*************************************************************************** |
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* Copyright (C) 2003 by Torben Nielsen * |
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* torben.nielsen@rocketmail.com * |
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* * |
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* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
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***************************************************************************/ |
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#include "serverspy.h" |
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#include "dnshelper.h" |
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#include <qlineedit.h> |
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#include <qlabel.h> |
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#include <qtextstream.h> |
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#include <qstring.h> |
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#include <qregexp.h> |
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Serverspy::Serverspy(QWidget *parent, const char *name, WFlags f) |
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: ServerspyBase(parent, name, f) |
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{ |
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connect(&m_socket, SIGNAL(hostFound()), SLOT(socketHostFound())); |
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connect(&m_socket, SIGNAL(connected()), SLOT(socketConnected())); |
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connect(&m_socket, SIGNAL(error(int)), SLOT(socketError(int))); |
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connect(&m_socket, SIGNAL(readyRead()), SLOT(socketReadyRead())); |
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m_timer = new QTimer(this); |
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connect( m_timer, SIGNAL( timeout() ), SLOT( socketTimeout() ) ); |
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} |
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Serverspy::~Serverspy() |
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{ |
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if (m_socket.state() != QSocket::Idle || m_socket.state() != QSocket::Closing) |
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m_socket.close(); |
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} |
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void Serverspy::findServer() |
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{ |
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QString tmp = m_address->text(); |
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m_address->setText( tmp.stripWhiteSpace() ); |
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if ( m_address->text().isEmpty() ) |
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return; |
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QString ip = DnsHelper::getIp( m_address->text() ); |
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QString hostname = DnsHelper::getHostname( ip ); |
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m_ip->setText(QString("IP-address: ") + ip ); |
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m_hostname->setText(QString("Orig. hostname: ") + hostname ); |
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m_timer->start( 20000, true ); |
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if ( m_socket.state() != QSocket::Idle ) |
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m_socket.close(); |
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m_output->setText("Result: looking up server"); |
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m_socket.connectToHost( m_address->text(), 80 ); |
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} |
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void Serverspy::socketHostFound() |
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{ |
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m_output->setText("Result: connecting to server"); |
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} |
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void Serverspy::socketConnected() |
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{ |
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QString host_header = QString("Host: ").append(m_address->text()).append("\n"); |
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QTextStream out(&m_socket); |
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out << QString("HEAD / HTTP/1.1\n").append(host_header).append("\r\n");; |
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m_output->setText("Result: requesting data"); |
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} |
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void Serverspy::socketError(int err) |
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{ |
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switch(err) { |
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case QSocket::ErrConnectionRefused : |
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m_output->setText("Result: error - connection refused!"); |
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break; |
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case QSocket::ErrHostNotFound : |
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m_output->setText("Result: error - host not found!"); |
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break; |
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case QSocket::ErrSocketRead : |
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m_output->setText("Result: error - could not read from socket"); |
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break; |
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default : |
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m_output->setText("Result: error"); |
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} |
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m_socket.close(); |
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m_timer->stop(); |
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} |
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void Serverspy::socketReadyRead() |
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{ |
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while ( m_socket.canReadLine() ) { |
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QString line = m_socket.readLine(); |
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QRegExp regex("^Server: ", true); |
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if ( regex.search(line) != -1 ) { |
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line = line.remove(regex); |
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line = line.stripWhiteSpace(); |
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m_output->setText( QString("Software: ").append(line) ); |
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m_timer->stop(); |
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m_socket.close(); |
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break; |
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} |
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} |
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} |
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void Serverspy::socketTimeout() |
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{ |
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m_socket.close(); |
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m_output->setText("Result: connection timed out"); |
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} |
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#include "serverspy.moc" |
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