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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#pragma once
#include "sshpacket_p.h"
#include "sshcryptofacility_p.h"
#include "sshpacketparser_p.h"
#include <QStringList>
namespace QSsh {
namespace Internal {
class SshKeyExchange;
struct SshKeyExchangeInit
{
char cookie[16];
SshNameList keyAlgorithms;
SshNameList serverHostKeyAlgorithms;
SshNameList encryptionAlgorithmsClientToServer;
SshNameList encryptionAlgorithmsServerToClient;
SshNameList macAlgorithmsClientToServer;
SshNameList macAlgorithmsServerToClient;
SshNameList compressionAlgorithmsClientToServer;
SshNameList compressionAlgorithmsServerToClient;
SshNameList languagesClientToServer;
SshNameList languagesServerToClient;
bool firstKexPacketFollows;
};
struct SshKeyExchangeReply
{
QByteArray k_s;
QList<Botan::BigInt> hostKeyParameters; // DSS: p, q, g, y. RSA: e, n.
QByteArray q; // For ECDSA host keys only.
Botan::BigInt f; // For DH only.
QByteArray q_s; // For ECDH only.
QByteArray signatureBlob;
};
struct SshDisconnect
{
quint32 reasonCode;
QString description;
QByteArray language;
};
struct SshUserAuthBanner
{
QString message;
QByteArray language;
};
struct SshUserAuthInfoRequestPacket
{
QString name;
QString instruction;
QByteArray languageTag;
QStringList prompts;
QList<bool> echos;
};
struct SshDebug
{
bool display;
QString message;
QByteArray language;
};
struct SshUnimplemented
{
quint32 invalidMsgSeqNr;
};
struct SshRequestSuccess
{
quint32 bindPort;
};
struct SshChannelOpen
{
quint32 remoteChannel;
quint32 remoteWindowSize;
quint32 remoteMaxPacketSize;
QByteArray remoteAddress;
quint32 remotePort;
};
struct SshChannelOpenFailure
{
quint32 localChannel;
quint32 reasonCode;
QString reasonString;
QByteArray language;
};
struct SshChannelOpenConfirmation
{
quint32 localChannel;
quint32 remoteChannel;
quint32 remoteWindowSize;
quint32 remoteMaxPacketSize;
};
struct SshChannelWindowAdjust
{
quint32 localChannel;
quint32 bytesToAdd;
};
struct SshChannelData
{
quint32 localChannel;
QByteArray data;
};
struct SshChannelExtendedData
{
quint32 localChannel;
quint32 type;
QByteArray data;
};
struct SshChannelExitStatus
{
quint32 localChannel;
quint32 exitStatus;
};
struct SshChannelExitSignal
{
quint32 localChannel;
QByteArray signal;
bool coreDumped;
QString error;
QByteArray language;
};
class SshIncomingPacket : public AbstractSshPacket
{
public:
SshIncomingPacket();
void consumeData(QByteArray &data);
void recreateKeys(const SshKeyExchange &keyExchange);
void reset();
SshKeyExchangeInit extractKeyExchangeInitData() const;
SshKeyExchangeReply extractKeyExchangeReply(const QByteArray &kexAlgo,
const QByteArray &hostKeyAlgo) const;
SshDisconnect extractDisconnect() const;
SshUserAuthBanner extractUserAuthBanner() const;
SshUserAuthInfoRequestPacket extractUserAuthInfoRequest() const;
SshDebug extractDebug() const;
SshRequestSuccess extractRequestSuccess() const;
SshUnimplemented extractUnimplemented() const;
SshChannelOpen extractChannelOpen() const;
SshChannelOpenFailure extractChannelOpenFailure() const;
SshChannelOpenConfirmation extractChannelOpenConfirmation() const;
SshChannelWindowAdjust extractWindowAdjust() const;
SshChannelData extractChannelData() const;
SshChannelExtendedData extractChannelExtendedData() const;
SshChannelExitStatus extractChannelExitStatus() const;
SshChannelExitSignal extractChannelExitSignal() const;
quint32 extractRecipientChannel() const;
QByteArray extractChannelRequestType() const;
quint32 serverSeqNr() const { return m_serverSeqNr; }
static const QByteArray ExitStatusType;
static const QByteArray ExitSignalType;
static const QByteArray ForwardedTcpIpType;
private:
virtual quint32 cipherBlockSize() const;
virtual quint32 macLength() const;
virtual void calculateLength() const;
void decrypt();
void moveFirstBytes(QByteArray &target, QByteArray &source, int n);
quint32 m_serverSeqNr;
SshDecryptionFacility m_decrypter;
};
} // namespace Internal
} // namespace QSsh
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