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Sourcecode: ike version File versions

topology.ui.h

/*
 * Copyright (c) 2007
 *      Shrew Soft Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Redistributions in any form must be accompanied by information on
 *    how to obtain complete source code for the software and any
 *    accompanying software that uses the software.  The source code
 *    must either be included in the distribution or be available for no
 *    more than the cost of distribution plus a nominal fee, and must be
 *    freely redistributable under reasonable conditions.  For an
 *    executable file, complete source code means the source code for all
 *    modules it contains.  It does not include source code for modules or
 *    files that typically accompany the major components of the operating
 *    system on which the executable file runs.
 *
 * THIS SOFTWARE IS PROVIDED BY SHREW SOFT INC ``AS IS'' AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
 * NON-INFRINGEMENT, ARE DISCLAIMED.  IN NO EVENT SHALL SHREW SOFT INC
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 *
 * AUTHOR : Matthew Grooms
 *          mgrooms@shrew.net
 *
 */

#include "ikea.h"


void topology::init()
{
        lineEditAddress->setInputMask( "009 . 009 . 009 . 009" );
        lineEditAddress->setText( "0.0.0.0" );

        lineEditNetmask->setInputMask( "009 . 009 . 009 . 009" );
        lineEditNetmask->setText( "0.0.0.0" );
}

void topology::TopologyAccept()
{
      QString Address = lineEditAddress->text();
      Address = Address.replace( ' ', "" );

      QString Netmask = lineEditNetmask->text();
      Netmask = Netmask.replace( ' ', "" );

      in_addr_t addr = ntohl( inet_addr( Address.ascii() ) );
      in_addr_t mask = ntohl( inet_addr( Netmask.ascii() ) );

      // verify the netmask

      if( ( mask != 0 ) && ( mask != ( in_addr_t ) ~0 ) )
      {
            long bitset = 0;
            long bitclr = 0;
            long count = 31;

            while( count >= 0 )
            {
                  if( ( mask >> count ) & 1 )
                        bitset = count;
                  else
                        bitclr = count;

                  if( ( !bitset && !count ) || ( bitclr > bitset ) )
                  {
                        // error

                        QMessageBox m;

                        m.critical( this,
                              "Topology Entry Error",
                              "The network mask you have specified is invalid.",
                              QMessageBox::Ok,
                              QMessageBox::NoButton,
                              QMessageBox::NoButton );

                        return;
                  }

                  count--;
            }
      }

      // verify the address

      if( addr & ~mask )
      {
            // warning

            QMessageBox m;

            m.warning( this,
                  "Topology Entry Warning",
                  "The network address is not valid for the given network mask.\n"
                  "An acceptable value has been substituted.",
                  QMessageBox::Ok,
                  QMessageBox::NoButton,
                  QMessageBox::NoButton );

            in_addr inaddr;
            inaddr.s_addr = htonl( addr & mask );

            lineEditAddress->setText( inet_ntoa( inaddr ) );

            return;
      }

      // call the dialog accept function

      accept();
}

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