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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtNetwork module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QSOCKS5SOCKETENGINE_P_H
#define QSOCKS5SOCKETENGINE_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qabstractsocketengine_p.h"
#include "qnetworkproxy.h"
QT_BEGIN_NAMESPACE
#ifndef QT_NO_SOCKS5
class QSocks5SocketEnginePrivate;
class Q_AUTOTEST_EXPORT QSocks5SocketEngine : public QAbstractSocketEngine
{
Q_OBJECT
public:
QSocks5SocketEngine(QObject *parent = 0);
~QSocks5SocketEngine();
bool initialize(QAbstractSocket::SocketType type, QAbstractSocket::NetworkLayerProtocol protocol = QAbstractSocket::IPv4Protocol);
bool initialize(int socketDescriptor, QAbstractSocket::SocketState socketState = QAbstractSocket::ConnectedState);
void setProxy(const QNetworkProxy &networkProxy);
int socketDescriptor() const;
bool isValid() const;
bool connectInternal();
bool connectToHost(const QHostAddress &address, quint16 port);
bool connectToHostByName(const QString &name, quint16 port);
bool bind(const QHostAddress &address, quint16 port);
bool listen();
int accept();
void close();
qint64 bytesAvailable() const;
qint64 read(char *data, qint64 maxlen);
qint64 write(const char *data, qint64 len);
#ifndef QT_NO_UDPSOCKET
qint64 readDatagram(char *data, qint64 maxlen, QHostAddress *addr = 0,
quint16 *port = 0);
qint64 writeDatagram(const char *data, qint64 len, const QHostAddress &addr,
quint16 port);
bool hasPendingDatagrams() const;
qint64 pendingDatagramSize() const;
#endif // QT_NO_UDPSOCKET
qint64 bytesToWrite() const;
int option(SocketOption option) const;
bool setOption(SocketOption option, int value);
bool waitForRead(int msecs = 30000, bool *timedOut = 0);
bool waitForWrite(int msecs = 30000, bool *timedOut = 0);
bool waitForReadOrWrite(bool *readyToRead, bool *readyToWrite,
bool checkRead, bool checkWrite,
int msecs = 30000, bool *timedOut = 0);
bool isReadNotificationEnabled() const;
void setReadNotificationEnabled(bool enable);
bool isWriteNotificationEnabled() const;
void setWriteNotificationEnabled(bool enable);
bool isExceptionNotificationEnabled() const;
void setExceptionNotificationEnabled(bool enable);
private:
Q_DECLARE_PRIVATE(QSocks5SocketEngine)
Q_DISABLE_COPY(QSocks5SocketEngine)
Q_PRIVATE_SLOT(d_func(), void _q_controlSocketConnected())
Q_PRIVATE_SLOT(d_func(), void _q_controlSocketReadNotification())
Q_PRIVATE_SLOT(d_func(), void _q_controlSocketError(QAbstractSocket::SocketError))
#ifndef QT_NO_UDPSOCKET
Q_PRIVATE_SLOT(d_func(), void _q_udpSocketReadNotification())
#endif
Q_PRIVATE_SLOT(d_func(), void _q_controlSocketBytesWritten())
Q_PRIVATE_SLOT(d_func(), void _q_emitPendingReadNotification())
Q_PRIVATE_SLOT(d_func(), void _q_emitPendingWriteNotification())
Q_PRIVATE_SLOT(d_func(), void _q_emitPendingConnectionNotification())
Q_PRIVATE_SLOT(d_func(), void _q_controlSocketDisconnected())
Q_PRIVATE_SLOT(d_func(), void _q_controlSocketStateChanged(QAbstractSocket::SocketState))
};
class QTcpSocket;
class QSocks5Authenticator
{
public:
QSocks5Authenticator();
virtual ~QSocks5Authenticator();
virtual char methodId();
virtual bool beginAuthenticate(QTcpSocket *socket, bool *completed);
virtual bool continueAuthenticate(QTcpSocket *socket, bool *completed);
virtual bool seal(const QByteArray buf, QByteArray *sealedBuf);
virtual bool unSeal(const QByteArray sealedBuf, QByteArray *buf);
virtual bool unSeal(QTcpSocket *sealedSocket, QByteArray *buf);
virtual QString errorString() { return QString(); }
};
class QSocks5PasswordAuthenticator : public QSocks5Authenticator
{
public:
QSocks5PasswordAuthenticator(const QString &userName, const QString &password);
char methodId();
bool beginAuthenticate(QTcpSocket *socket, bool *completed);
bool continueAuthenticate(QTcpSocket *socket, bool *completed);
QString errorString();
private:
QString userName;
QString password;
};
struct QSocks5Data;
struct QSocks5ConnectData;
struct QSocks5UdpAssociateData;
struct QSocks5BindData;
class QSocks5SocketEnginePrivate : public QAbstractSocketEnginePrivate
{
Q_DECLARE_PUBLIC(QSocks5SocketEngine)
public:
QSocks5SocketEnginePrivate();
~QSocks5SocketEnginePrivate();
enum Socks5State
{
Uninitialized = 0,
ConnectError,
AuthenticationMethodsSent,
Authenticating,
AuthenticatingError,
RequestMethodSent,
RequestError,
Connected,
UdpAssociateSuccess,
BindSuccess,
ControlSocketError,
SocksError,
HostNameLookupError
};
Socks5State socks5State;
enum Socks5Mode
{
NoMode,
ConnectMode,
BindMode,
UdpAssociateMode
};
Socks5Mode mode;
enum Socks5Error
{
SocksFailure = 0x01,
ConnectionNotAllowed = 0x02,
NetworkUnreachable = 0x03,
HostUnreachable = 0x04,
ConnectionRefused = 0x05,
TTLExpired = 0x06,
CommandNotSupported = 0x07,
AddressTypeNotSupported = 0x08,
LastKnownError = AddressTypeNotSupported,
UnknownError
};
void initialize(Socks5Mode socks5Mode);
void setErrorState(Socks5State state, const QString &extraMessage = QString());
void setErrorState(Socks5State state, Socks5Error socks5error);
void reauthenticate();
void parseAuthenticationMethodReply();
void parseAuthenticatingReply();
void sendRequestMethod();
void parseRequestMethodReply();
void parseNewConnection();
bool waitForConnected(int msecs, bool *timedOut);
void _q_controlSocketConnected();
void _q_controlSocketReadNotification();
void _q_controlSocketError(QAbstractSocket::SocketError);
#ifndef QT_NO_UDPSOCKET
void checkForDatagrams() const;
void _q_udpSocketReadNotification();
#endif
void _q_controlSocketBytesWritten();
void _q_controlSocketDisconnected();
void _q_controlSocketStateChanged(QAbstractSocket::SocketState);
QNetworkProxy proxyInfo;
bool readNotificationEnabled, writeNotificationEnabled, exceptNotificationEnabled;
int socketDescriptor;
QSocks5Data *data;
QSocks5ConnectData *connectData;
#ifndef QT_NO_UDPSOCKET
QSocks5UdpAssociateData *udpData;
#endif
QSocks5BindData *bindData;
QString peerName;
mutable bool readNotificationActivated;
mutable bool writeNotificationActivated;
bool readNotificationPending;
void _q_emitPendingReadNotification();
void emitReadNotification();
bool writeNotificationPending;
void _q_emitPendingWriteNotification();
void emitWriteNotification();
bool connectionNotificationPending;
void _q_emitPendingConnectionNotification();
void emitConnectionNotification();
};
class Q_AUTOTEST_EXPORT QSocks5SocketEngineHandler : public QSocketEngineHandler
{
public:
virtual QAbstractSocketEngine *createSocketEngine(QAbstractSocket::SocketType socketType,
const QNetworkProxy &, QObject *parent);
virtual QAbstractSocketEngine *createSocketEngine(int socketDescripter, QObject *parent);
};
QT_END_NAMESPACE
#endif // QT_NO_SOCKS5
#endif // QSOCKS5SOCKETENGINE_H
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