File indexing completed on 2024-04-28 16:59:41

 /*
    Copyright (C) 2013 Andreas Hartmetz <ahartmetz@gmail.com>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LGPL.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
 
    Alternatively, this file is available under the Mozilla Public License
    Version 1.1.  You may obtain a copy of the License at
    http://www.mozilla.org/MPL/
 */
 
 #ifndef AUTHCLIENT_H
 #define AUTHCLIENT_H
 
 #include "itransportlistener.h"
 
 #include "iovaluetypes.h"
 
 #include <string>
 
 // TODO we are currently handling all authentication from here; later this class should only
 //      enumerate client and server auth mechanisms and then instantiate and pass control to
 //      the right IAuthMechanism implementation (with or without staying around as an intermediate).
 
 class ICompletionListener;
 
 class AuthClient : public ITransportListener
 {
 public:
     explicit AuthClient(ITransport *transport);
 
     // reimplemented from ITransportListener
     IO::Status handleTransportCanRead() override;
 
     bool isFinished() const;
     bool isAuthenticated() const;
     bool isUnixFdPassingEnabled() const;
 
     void setCompletionListener(ICompletionListener *);
 
 private:
     bool readLine();
     bool isEndOfLine() const;
     void sendNextAuthMethod();
     void advanceState();
 
     enum State {
         InitialState,
         ExpectOkState,
         ExpectUnixFdResponseState,
         AuthenticationFailedState,
         AuthenticatedState
     };
 
     enum AuthMethods {
         AuthExternal,
         AuthAnonymous,
         LastAuthMethod // keep this last!
     };
 
     State m_state;
     int m_nextAuthMethod;
     bool m_fdPassingEnabled;
     std::string m_line;
     ICompletionListener *m_completionListener;
 };
 
 #endif