/*
 * Localwebfaker - Web sites faker for LAN
 * Copyright (C) 2007-2009 Lucas J. González
 *
 * This program 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 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 program.  If not, see <http://www.gnu.org/licenses/
 */

#include "arpSpoofer.h"

arpSpoofer::arpSpoofer (QString inInterfaz, QString inCliente, QString inGw ) {
   interfaz = new QString() ;
   cliente = new QString() ;
   gateway = new QString() ;
   *interfaz = inInterfaz ;
   *cliente = inCliente ;
   *gateway = inGw ;
}

void arpSpoofer::run() {
   int errordesalida ;
   startArp = new QProcess();
   QString *comando = new QString("arpspoof -i ");
   comando->append( *interfaz ) ;
   comando->append( " -t " ) ;
   comando->append( *cliente ) ;
   comando->append( " " ) ;
   comando->append( *gateway ) ;
   result = new QByteArray() ;

   connect(startArp, SIGNAL(readyReadStandardError ()), this, SLOT(startArpPrintOutput() ) ) ;

   startArp->start(*comando) ;
   
   if (!startArp->waitForStarted() ) {
      std::cout << "startArp->waitForStarted() failed" << std::endl ;
      exit(1);
   }

   if ( (errordesalida = startArp->exitCode() ) != 0 ) {
      std::cout << "arpspoofStart() error: " << errordesalida << std::endl ;
      exit(errordesalida) ;
   }
   emit arpIniciado() ;

   *result = startArp->readAll();
   exec();
}

void arpSpoofer::startArpPrintOutput() {
   *result = startArp->readAllStandardError() ;
   emit newArpOutput( QString(*result) ) ;
}

void arpSpoofer::pararArp() {
   quit() ;
   emit arpDetenido() ;
}