forked from qt-creator/qt-creator
147 lines
4.3 KiB
C++
147 lines
4.3 KiB
C++
/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** No Commercial Usage
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**
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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**
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**************************************************************************/
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#ifndef SSHPACKET_P_H
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#define SSHPACKET_P_H
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#include "sshexception_p.h"
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#include <QtCore/QtEndian>
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#include <QtCore/QByteArray>
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#include <QtCore/QList>
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#include <botan/bigint.h>
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namespace Utils {
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namespace Internal {
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enum SshPacketType {
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SSH_MSG_DISCONNECT = 1,
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SSH_MSG_IGNORE = 2,
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SSH_MSG_UNIMPLEMENTED = 3,
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SSH_MSG_DEBUG = 4,
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SSH_MSG_SERVICE_REQUEST = 5,
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SSH_MSG_SERVICE_ACCEPT = 6,
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SSH_MSG_KEXINIT = 20,
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SSH_MSG_NEWKEYS = 21,
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SSH_MSG_KEXDH_INIT = 30,
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SSH_MSG_KEXDH_REPLY = 31,
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SSH_MSG_USERAUTH_REQUEST = 50,
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SSH_MSG_USERAUTH_FAILURE = 51,
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SSH_MSG_USERAUTH_SUCCESS = 52,
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SSH_MSG_USERAUTH_BANNER = 53,
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SSH_MSG_USERAUTH_PK_OK = 60,
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SSH_MSG_USERAUTH_PASSWD_CHANGEREQ = 60,
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SSH_MSG_GLOBAL_REQUEST = 80,
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SSH_MSG_REQUEST_SUCCESS = 81,
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SSH_MSG_REQUEST_FAILURE = 82,
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SSH_MSG_CHANNEL_OPEN = 90,
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SSH_MSG_CHANNEL_OPEN_CONFIRMATION = 91,
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SSH_MSG_CHANNEL_OPEN_FAILURE = 92,
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SSH_MSG_CHANNEL_WINDOW_ADJUST = 93,
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SSH_MSG_CHANNEL_DATA = 94,
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SSH_MSG_CHANNEL_EXTENDED_DATA = 95,
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SSH_MSG_CHANNEL_EOF = 96,
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SSH_MSG_CHANNEL_CLOSE = 97,
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SSH_MSG_CHANNEL_REQUEST = 98,
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SSH_MSG_CHANNEL_SUCCESS = 99,
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SSH_MSG_CHANNEL_FAILURE = 100,
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// Not completely safe, since the server may actually understand this
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// message type as an extension. Switch to a different value in that case
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// (between 128 and 191).
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SSH_MSG_INVALID = 128
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};
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enum SshExtendedDataType { SSH_EXTENDED_DATA_STDERR = 1 };
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class SshAbstractCryptoFacility;
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class AbstractSshPacket
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{
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public:
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virtual ~AbstractSshPacket();
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void clear();
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bool isComplete() const;
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SshPacketType type() const;
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static QByteArray encodeString(const QByteArray &string);
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static QByteArray encodeMpInt(const Botan::BigInt &number);
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template<typename T> static QByteArray encodeInt(T value)
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{
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const T valMsb = qToBigEndian(value);
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return QByteArray(reinterpret_cast<const char *>(&valMsb), sizeof valMsb);
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}
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static void setLengthField(QByteArray &data);
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void printRawBytes() const; // For Debugging.
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const QByteArray &rawData() const { return m_data; }
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struct Payload { const char *data; quint32 size; };
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Payload payLoad() const;
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protected:
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AbstractSshPacket();
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virtual quint32 cipherBlockSize() const=0;
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virtual quint32 macLength() const=0;
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virtual void calculateLength() const;
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quint32 length() const;
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int paddingLength() const;
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quint32 minPacketSize() const;
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quint32 currentDataSize() const { return m_data.size(); }
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QByteArray generateMac(const SshAbstractCryptoFacility &crypt,
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quint32 seqNr) const;
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static const quint32 PaddingLengthOffset;
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static const quint32 PayloadOffset;
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static const quint32 TypeOffset;
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static const quint32 MinPaddingLength;
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mutable QByteArray m_data;
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mutable quint32 m_length;
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};
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} // namespace Internal
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} // namespace Utils
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#endif // SSHPACKET_P_H
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