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Diffstat (limited to 'src/libs/utils/ssh/sshpacket_p.h')
-rw-r--r-- | src/libs/utils/ssh/sshpacket_p.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/src/libs/utils/ssh/sshpacket_p.h b/src/libs/utils/ssh/sshpacket_p.h new file mode 100644 index 0000000000..e2641ea5e4 --- /dev/null +++ b/src/libs/utils/ssh/sshpacket_p.h @@ -0,0 +1,146 @@ +/************************************************************************** +** +** This file is part of Qt Creator +** +** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies). +** +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** 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. +** +**************************************************************************/ + +#ifndef SSHPACKET_P_H +#define SSHPACKET_P_H + +#include "sshexception_p.h" + +#include <QtCore/QtEndian> +#include <QtCore/QByteArray> +#include <QtCore/QList> + +#include <botan/bigint.h> + +namespace Utils { +namespace Internal { + +enum SshPacketType { + SSH_MSG_DISCONNECT = 1, + SSH_MSG_IGNORE = 2, + SSH_MSG_UNIMPLEMENTED = 3, + SSH_MSG_DEBUG = 4, + SSH_MSG_SERVICE_REQUEST = 5, + SSH_MSG_SERVICE_ACCEPT = 6, + + SSH_MSG_KEXINIT = 20, + SSH_MSG_NEWKEYS = 21, + SSH_MSG_KEXDH_INIT = 30, + SSH_MSG_KEXDH_REPLY = 31, + + SSH_MSG_USERAUTH_REQUEST = 50, + SSH_MSG_USERAUTH_FAILURE = 51, + SSH_MSG_USERAUTH_SUCCESS = 52, + SSH_MSG_USERAUTH_BANNER = 53, + SSH_MSG_USERAUTH_PK_OK = 60, + SSH_MSG_USERAUTH_PASSWD_CHANGEREQ = 60, + + SSH_MSG_GLOBAL_REQUEST = 80, + SSH_MSG_REQUEST_SUCCESS = 81, + SSH_MSG_REQUEST_FAILURE = 82, + + SSH_MSG_CHANNEL_OPEN = 90, + SSH_MSG_CHANNEL_OPEN_CONFIRMATION = 91, + SSH_MSG_CHANNEL_OPEN_FAILURE = 92, + SSH_MSG_CHANNEL_WINDOW_ADJUST = 93, + SSH_MSG_CHANNEL_DATA = 94, + SSH_MSG_CHANNEL_EXTENDED_DATA = 95, + SSH_MSG_CHANNEL_EOF = 96, + SSH_MSG_CHANNEL_CLOSE = 97, + SSH_MSG_CHANNEL_REQUEST = 98, + SSH_MSG_CHANNEL_SUCCESS = 99, + SSH_MSG_CHANNEL_FAILURE = 100, + + // Not completely safe, since the server may actually understand this + // message type as an extension. Switch to a different value in that case + // (between 128 and 191). + SSH_MSG_INVALID = 128 +}; + +enum SshExtendedDataType { SSH_EXTENDED_DATA_STDERR = 1 }; + +class SshAbstractCryptoFacility; + +class AbstractSshPacket +{ +public: + virtual ~AbstractSshPacket(); + + void clear(); + bool isComplete() const; + SshPacketType type() const; + + static QByteArray encodeString(const QByteArray &string); + static QByteArray encodeMpInt(const Botan::BigInt &number); + template<typename T> static QByteArray encodeInt(T value) + { + const T valMsb = qToBigEndian(value); + return QByteArray(reinterpret_cast<const char *>(&valMsb), sizeof valMsb); + } + + static void setLengthField(QByteArray &data); + + void printRawBytes() const; // For Debugging. + + const QByteArray &rawData() const { return m_data; } + + struct Payload { const char *data; quint32 size; }; + Payload payLoad() const; + +protected: + AbstractSshPacket(); + + virtual quint32 cipherBlockSize() const=0; + virtual quint32 macLength() const=0; + virtual void calculateLength() const; + + quint32 length() const; + int paddingLength() const; + quint32 minPacketSize() const; + quint32 currentDataSize() const { return m_data.size(); } + QByteArray generateMac(const SshAbstractCryptoFacility &crypt, + quint32 seqNr) const; + + static const quint32 PaddingLengthOffset; + static const quint32 PayloadOffset; + static const quint32 TypeOffset; + static const quint32 MinPaddingLength; + + mutable QByteArray m_data; + mutable quint32 m_length; +}; + +} // namespace Internal +} // namespace Utils + +#endif // SSHPACKET_P_H |