123 lines
3.8 KiB
C++
123 lines
3.8 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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****************************************************************************/
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#include "sshsendfacility_p.h"
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#include "sshtcpiptunnel_p.h"
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#include "sshincomingpacket_p.h"
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#include "sshexception_p.h"
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#include "sshlogging_p.h"
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namespace QSsh {
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namespace Internal {
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SshTcpIpTunnelPrivate::SshTcpIpTunnelPrivate(quint32 channelId, SshSendFacility &sendFacility)
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: AbstractSshChannel(channelId, sendFacility)
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{
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connect(this, &AbstractSshChannel::eof, this, &SshTcpIpTunnelPrivate::handleEof);
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}
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SshTcpIpTunnelPrivate::~SshTcpIpTunnelPrivate()
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{
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closeChannel();
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}
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void SshTcpIpTunnelPrivate::handleChannelSuccess()
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{
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throw SSH_SERVER_EXCEPTION(SSH_DISCONNECT_PROTOCOL_ERROR,
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"Unexpected SSH_MSG_CHANNEL_SUCCESS message.");
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}
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void SshTcpIpTunnelPrivate::handleChannelFailure()
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{
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throw SSH_SERVER_EXCEPTION(SSH_DISCONNECT_PROTOCOL_ERROR,
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"Unexpected SSH_MSG_CHANNEL_FAILURE message.");
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}
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void SshTcpIpTunnelPrivate::handleOpenFailureInternal(const QString &reason)
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{
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emit error(reason);
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closeChannel();
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}
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void SshTcpIpTunnelPrivate::handleChannelDataInternal(const QByteArray &data)
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{
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m_data += data;
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emit readyRead();
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}
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void SshTcpIpTunnelPrivate::handleChannelExtendedDataInternal(quint32 type,
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const QByteArray &data)
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{
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qCWarning(sshLog, "%s: Unexpected extended channel data. Type is %u, content is '%s'.",
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Q_FUNC_INFO, type, data.constData());
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}
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void SshTcpIpTunnelPrivate::handleExitStatus(const SshChannelExitStatus &exitStatus)
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{
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qCWarning(sshLog, "%s: Unexpected exit status %d.", Q_FUNC_INFO, exitStatus.exitStatus);
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}
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void SshTcpIpTunnelPrivate::handleExitSignal(const SshChannelExitSignal &signal)
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{
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qCWarning(sshLog, "%s: Unexpected exit signal %s.", Q_FUNC_INFO, signal.signal.constData());
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}
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void SshTcpIpTunnelPrivate::closeHook()
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{
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emit closed();
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}
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void SshTcpIpTunnelPrivate::handleEof()
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{
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/*
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* For some reason, the OpenSSH server only sends EOF when the remote port goes away,
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* but does not close the channel, even though it becomes useless in that case.
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* So we close it ourselves.
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*/
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closeChannel();
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}
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qint64 SshTcpIpTunnelPrivate::readData(char *data, qint64 maxlen)
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{
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const qint64 bytesRead = qMin(qint64(m_data.count()), maxlen);
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memcpy(data, m_data.constData(), bytesRead);
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m_data.remove(0, bytesRead);
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return bytesRead;
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}
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qint64 SshTcpIpTunnelPrivate::writeData(const char *data, qint64 len)
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{
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QSSH_ASSERT_AND_RETURN_VALUE(channelState() == AbstractSshChannel::SessionEstablished, 0);
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sendData(QByteArray(data, len));
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return len;
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}
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} // namespace Internal
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} // namespace QSsh
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