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/***************************************************************************** |
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* |
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* Copyright (C) 2021 Bjarne von Horn (vh at igh dot de). |
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* |
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* This file is part of the PdCom library. |
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* |
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* The PdCom library is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or (at your |
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* option) any later version. |
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* |
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* The PdCom library is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public |
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* License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with the PdCom library. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*****************************************************************************/ |
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#ifndef PDCOM5_SASL_H |
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#define PDCOM5_SASL_H |
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#include <pdcom5_export.h> |
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namespace PdCom { |
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namespace impl { |
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class Process; |
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} |
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/** SASL Interface for PdCom. |
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* |
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* With the help of this interface, a SASL library can communicate with the |
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* server and perfom authentification. |
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* |
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* The authentification class needs to be registered in the process with |
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* Process::setAuthManager(). |
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* |
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*/ |
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✗ |
class PDCOM5_PUBLIC Sasl |
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{ |
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public: |
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Sasl(); |
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Sasl(Sasl const &) = delete; |
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Sasl(Sasl &&) noexcept; |
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Sasl &operator=(Sasl &&) noexcept; |
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Sasl &operator=(Sasl const &) = delete; |
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protected: |
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/** Perform SASL login step. |
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* |
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* @param mech SASL mechanism |
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* @param clientData Base64 encoded SASL output data to server |
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* |
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* Setting both \p mech and \p clientData to NULL will initate the |
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* login process. |
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* |
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* Every call to login() is answered by a loginReply(), unless |
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* login is not supported. When login is mandatory, loginReply() |
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* will be called automatically. |
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* |
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* @return false if login is not supported |
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*/ |
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bool loginStep(const char *mech, const char *clientData); |
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/** Logout from server |
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*/ |
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void logout(); |
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~Sasl(); |
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private: |
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friend impl::Process; |
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std::weak_ptr<impl::Process> process_; |
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/** SASL server reply to login() |
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* |
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* loginReply() may be called without calling login() in the case |
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* where login is mandatory. In this case, it is called before |
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* Process::connected(). |
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* |
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* @param mechlist Space separated list of supported mechanisms |
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* @param serverData Base64 encoded SASL data from server |
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* @param finished |
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* \parblock |
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* > 0: Login successful\n |
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* 0: Login process not finished; another login() step is required\n |
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* < 0: Login failed |
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* \endparblock |
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*/ |
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virtual void |
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loginReply(const char *mechlist, const char *serverData, int finished) = 0; |
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}; |
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} // namespace PdCom |
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#endif // PDCOM5_SASL_H |
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