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/* Copyright (C) 2005 Martin Koegler
 * 
 * This is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 
 * This software 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this software; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
 * USA.
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <rfb/SSecurityStack.h>

using namespace rfb;

SSecurityStack::SSecurityStack(SConnection* sc, int Type,
                               SSecurity* s0, SSecurity* s1)
  : SSecurity(sc), state(0), state0(s0), state1(s1), type(Type)
{
}

SSecurityStack::~SSecurityStack()
{
  delete state0;
  delete state1;
}

bool SSecurityStack::processMsg()
{
  bool res = true;

  if (state == 0) {
    if (state0)
      res = state0->processMsg();
    if (!res)
      return res;
    state++;
  }

  if (state == 1) {
    if (state1)
      res = state1->processMsg();
    if (!res)
      return res;
    state++;
  }

  return res;
}

const char* SSecurityStack::getUserName() const
{
  const char* c = 0;

  if (state1 && !c)
    c = state1->getUserName();
  if (state0 && !c)
    c = state0->getUserName();

  return c;
}

SConnection::AccessRights SSecurityStack::getAccessRights() const
{
  SConnection::AccessRights accessRights;

  if (!state0 && !state1)
    return SSecurity::getAccessRights();

  accessRights = SConnection::AccessFull;

  if (state0)
    accessRights &= state0->getAccessRights();
  if (state1)
    accessRights &= state1->getAccessRights();

  return accessRights;
}