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pokamest
94 lines
3.1 KiB
C++
94 lines
3.1 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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#pragma once
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#include "sshconnection.h"
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#include <QByteArray>
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#include <QScopedPointer>
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namespace Botan {
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class DH_PrivateKey;
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class ECDH_PrivateKey;
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class HashFunction;
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}
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namespace QSsh {
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namespace Internal {
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struct SshKeyExchangeInit;
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class SshSendFacility;
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class SshIncomingPacket;
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class SshKeyExchange
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{
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public:
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SshKeyExchange(const SshConnectionParameters &connParams, SshSendFacility &sendFacility);
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~SshKeyExchange();
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void sendKexInitPacket(const QByteArray &serverId);
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// Returns true <=> the server sends a guessed package.
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bool sendDhInitPacket(const SshIncomingPacket &serverKexInit);
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void sendNewKeysPacket(const SshIncomingPacket &dhReply,
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const QByteArray &clientId);
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QByteArray k() const { return m_k; }
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QByteArray h() const { return m_h; }
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Botan::HashFunction *hash() const { return m_hash.data(); }
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QByteArray encryptionAlgo() const { return m_encryptionAlgo; }
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QByteArray decryptionAlgo() const { return m_decryptionAlgo; }
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QByteArray hMacAlgoClientToServer() const { return m_c2sHMacAlgo; }
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QByteArray hMacAlgoServerToClient() const { return m_s2cHMacAlgo; }
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private:
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QByteArray hashAlgoForKexAlgo() const;
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void determineHashingAlgorithm(const SshKeyExchangeInit &kexInit, bool serverToClient);
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void checkHostKey(const QByteArray &hostKey);
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Q_NORETURN void throwHostKeyException();
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QByteArray m_serverId;
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QByteArray m_clientKexInitPayload;
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QByteArray m_serverKexInitPayload;
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QScopedPointer<Botan::DH_PrivateKey> m_dhKey;
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QScopedPointer<Botan::ECDH_PrivateKey> m_ecdhKey;
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QByteArray m_kexAlgoName;
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QByteArray m_k;
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QByteArray m_h;
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QByteArray m_serverHostKeyAlgo;
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QByteArray m_encryptionAlgo;
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QByteArray m_decryptionAlgo;
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QByteArray m_c2sHMacAlgo;
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QByteArray m_s2cHMacAlgo;
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QScopedPointer<Botan::HashFunction> m_hash;
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const SshConnectionParameters m_connParams;
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SshSendFacility &m_sendFacility;
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};
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} // namespace Internal
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} // namespace QSsh
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