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path: root/knetworkconf/knetworkconf/knetworkconf.cpp
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/***************************************************************************
                          knetworkconf.cpp  -  description
                             -------------------
    begin                : Sun Jan 12 8:54:19 UTC 2003
    copyright            : (C) 2003 by Juan Luis Baptiste
    email                : jbaptiste@merlinux.org
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#include <kiconloader.h>
#include <dcopclient.h>

#include "knetworkconf.h"

KNetworkConf::KNetworkConf(TQWidget *parent, const char *name) : DCOPObject("KNetworkConfIface"), KNetworkConfDlg(parent, name)
{
  netInfo = 0L;
  config = new KNetworkConfigParser();
  klvCardList->setAllColumnsShowFocus(true);
  klvKnownHosts->setAllColumnsShowFocus(true);
  klvProfilesList->setAllColumnsShowFocus(true);
  klvProfilesList->setRenameable(0,true);
  klvProfilesList->setRenameable(1,true);
  TQToolTip::remove( static_cast<TQListView*>(klvProfilesList) );
  tooltip = new KProfilesListViewToolTip(klvProfilesList);
    
  //Connect signals emmitted by the backend to know when data is ready to be painted.
  connect(config,TQT_SIGNAL(readyLoadingNetworkInfo()),this,TQT_SLOT(getNetworkInfoSlot()));
  connect(config,TQT_SIGNAL(readyLoadingNetworkInfo()),this,TQT_SLOT(showMainWindow()));
  connect(config,TQT_SIGNAL(readyLoadingNetworkInfo()),this,TQT_SLOT(enableSignals()));
  connect(config, TQT_SIGNAL(setReadOnly(bool)),this,TQT_SLOT(setReadOnlySlot(bool)));
  connect(klvCardList,
          TQT_SIGNAL(contextMenu(TDEListView*,TQListViewItem*,const TQPoint&)),
          this,
          TQT_SLOT(showInterfaceContextMenuSlot(TDEListView*,TQListViewItem*, const TQPoint&)));

  // Register with DCOP - No longer needed as now we are a kcontrol module?
  if ( !kapp->dcopClient()->isRegistered() ) {
    kapp->dcopClient()->registerAs( "knetworkconf" );
    kapp->dcopClient()->setDefaultObject( objId() );
  }

  //Temporarly added while gst supports routing option.
//  cbEnableRouting->hide();
}

KNetworkConf::~KNetworkConf()
{
	delete config;
}

void KNetworkConf::getNetworkInfoSlot()
{
  netInfo = config->getNetworkInfo();
  if (netInfo == NULL)
  {
    KMessageBox::error(this,
                        i18n("Could not load network configuration information."),
                        i18n("Error Reading Configuration File"));
    //kapp->quit();
    //exit(1);
  }
  else
  {
    //TQPtrList<KNetworkInterface> deviceList;
    routingInfo = netInfo->getRoutingInfo();
    dnsInfo = netInfo->getDNSInfo();
    profilesList = netInfo->getProfilesList();
    
    loadNetworkDevicesInfo();
    loadRoutingInfo();
    loadDNSInfo();
    loadNetworkProfiles();
    nameServersModified = false;
    devicesModified = false;
    modified = false;
//    kpbApply->setEnabled(false);
  }

}

/**
  Fill the Listview with the info of the network interfaces.
*/
void KNetworkConf::loadNetworkDevicesInfo()
{
  KNetworkInterface *device;
  TQPixmap activeEthernetDeviceImg(locate("icon","hicolor/22x22/actions/network_connected_lan_knc.png"));
  TQPixmap inactiveEthernetDeviceImg(locate("icon","hicolor/22x22/actions/network_disconnected_lan.png"));
  TQPixmap activeWirelessDeviceImg(locate("icon","hicolor/22x22/actions/network_traffic_wlan.png"));
  TQPixmap inactiveWirelessDeviceImg(locate("icon","hicolor/22x22/actions/network_disconnected_wlan.png"));

  klvCardList->clear();
  TQPtrList<KNetworkInterface> deviceList = netInfo->getDeviceList();
  for (device = deviceList.first(); device; device = deviceList.next())
  {
    if ( device->getType() != "loopback" )
    {
      if (klvCardList->findItem(device->getDeviceName(),0,CaseSensitive|ExactMatch) == 0)
      {
        TQListViewItem * item = new TQListViewItem( klvCardList, 0 );

        if (device->isActive())
        {
          if (device->getType() == "ethernet")
            item->setPixmap(0,activeEthernetDeviceImg);
          else if (device->getType() == "wireless")
            item->setPixmap(0,activeWirelessDeviceImg);

          item->setText(3,i18n("Enabled"));
          item->setPixmap(3,SmallIcon("ok"));
        }
        else
        {
          if (device->getType() == "ethernet")
            item->setPixmap(0,inactiveEthernetDeviceImg);
          else if (device->getType() == "wireless")
            item->setPixmap(0,inactiveWirelessDeviceImg);

          item->setText(3,i18n("Disabled"));
          item->setPixmap(3,SmallIcon("process-stop"));
          if (device->getBootProto().lower() == "dhcp")
            item->setText(1,"");
        }

        item->setText(0,device->getDeviceName());
        item->setText(1,device->getIpAddress());
        if (device->getBootProto() == "none")
          item->setText(2,i18n("Manual"));
        else
          item->setText(2,device->getBootProto());
        item->setText(4,device->getDescription());
        TQStringList l = deviceNamesList.grep(device->getDeviceName());
        if (l.size() == 0)
          deviceNamesList.append(device->getDeviceName());
      }
    }
  }
}


/** Terminates the application
 */
void KNetworkConf::quitSlot(){
  int code = 0;
  connect( config, TQT_SIGNAL(readyLoadingNetworkInfo()), this, TQT_SLOT(quitSlot()) );
  if (modified)
  {
    code = KMessageBox::warningYesNoCancel(this,
                          i18n("The new configuration has not been saved.\nDo you want to apply changes before quitting?"),
                          i18n("New Configuration Not Saved"),KStdGuiItem::apply(),KStdGuiItem::quit());
    if (code == KMessageBox::Yes)
      saveInfoSlot();
    else if (code == KMessageBox::No)
      kapp->quit();
  }
  else
    kapp->quit();
}
/** Enables the configure and remove buttons. */
void KNetworkConf::enableButtonsSlot(){
  if (!readOnly)
  {
     kpbConfigureNetworkInterface->setEnabled(true);
    TQListViewItem *item = klvCardList->currentItem();
    TQString currentDevice = item->text(0);
    KNetworkInterface *dev = getDeviceInfo(currentDevice);

     if (dev->isActive())
     {
       kpbUpButton->setEnabled(false);
       kpbDownButton->setEnabled(true);
     }
     else
     {
       kpbUpButton->setEnabled(true);
       kpbDownButton->setEnabled(false);
     }
  }
}
/** opens the add server dialog. */
void KNetworkConf::addServerSlot(){
  KAddDNSServerDlg addDlg(this, 0);
  addDlg.exec();
  if(addDlg.modified())
  {
    klbDomainServerList->insertItem(addDlg.kleNewServer->text());
    nameServersModified = true;
    enableApplyButtonSlot();
  }
}
/** opens the edit server dialog. */
void KNetworkConf::editServerSlot(){
  KAddDNSServerDlg dlg(this, 0);
  if (klbDomainServerList->currentItem() >= 0)
  {
    int currentPos = klbDomainServerList->currentItem();
    dlg.setCaption(i18n("Edit Server"));
    TQListBoxItem *item = klbDomainServerList->item(currentPos);
    TQString currentText = item->text();
    dlg.kleNewServer->setText(currentText);
    dlg.kpbAddServer->setText(i18n("&OK"));
    dlg.exec();

    if(dlg.modified())
    {
      klbDomainServerList->changeItem(dlg.kleNewServer->text(),currentPos);
      nameServersModified = true;
      enableApplyButtonSlot();
    }
  }
}

/** Pops up the window for adding a new interface. */
void KNetworkConf::configureDeviceSlot(){
  TQListViewItem *item = klvCardList->currentItem();
  KWirelessInterface *wifiDev = NULL;
  
  //KAddDeviceContainer *configDlg = new KAddDeviceContainer(this,0);
  KAddDeviceContainer configDlg(this,0);
  
  if (item != NULL)
  {
    TQString currentDevice = item->text(0);
    configDlg.setCaption(i18n("Configure Device %1").arg(currentDevice));
    KNetworkInterface *dev = getDeviceInfo(currentDevice);
    KAddDeviceDlgExtension *advancedOptions = (KAddDeviceDlgExtension *)configDlg.extension();

    if (dev->getBootProto() == "none")
    {
      configDlg.addDlg->rbBootProtoManual->setChecked(true);
      configDlg.addDlg->rbBootProtoAuto->setChecked(false);
    }
    else if (dev->getBootProto().lower() == "dhcp")
    {
      configDlg.addDlg->kcbAutoBootProto->setCurrentItem(0);
      configDlg.addDlg->rbBootProtoManual->setChecked(false);
      configDlg.addDlg->rbBootProtoAuto->setChecked(true);
      configDlg.addDlg->kleIPAddress->setEnabled(false);
      configDlg.addDlg->kcbNetmask->setEnabled(false);
      configDlg.kpbAdvanced->setEnabled(false);
    }
   else if (dev->getBootProto().lower() == "bootp")
    {
      configDlg.addDlg->kcbAutoBootProto->setCurrentItem(1);
      configDlg.addDlg->rbBootProtoManual->setChecked(false);
      configDlg.addDlg->rbBootProtoAuto->setChecked(true);
      configDlg.kpbAdvanced->setEnabled(false);
    }
    if (dev->getOnBoot() == "yes")
      configDlg.addDlg->kcbstartAtBoot->setChecked(true);
    else
    {
      configDlg.addDlg->kcbstartAtBoot->setChecked(false);
    }
    configDlg.addDlg->kleIPAddress->setText(dev->getIpAddress());
    advancedOptions->kleDescription->setText(dev->getDescription());
    if (!dev->getBroadcast().isEmpty())
      advancedOptions->kleBroadcast->setText(dev->getBroadcast());
    else
      advancedOptions->kleBroadcast->setText(KAddressValidator::calculateBroadcast(dev->getIpAddress(),dev->getNetmask()));
      
    advancedOptions->kleGateway->setText(dev->getGateway());

    if (!dev->getNetmask().isEmpty())
      configDlg.addDlg->kcbNetmask->setCurrentText(dev->getNetmask());

    if (readOnly)
    {
      configDlg.addDlg->kcbAutoBootProto->setEnabled(false);
      configDlg.addDlg->kcbstartAtBoot->setEnabled(false);
      advancedOptions->gbAdvancedDeviceInfo->setEnabled(false);
    }
            
    //If the interface is wireless, then add the wireless configuration widget
    if (dev->getType() == WIRELESS_IFACE_TYPE){
      wifiDev = static_cast<KWirelessInterface*>(dev);
      configDlg.addWirelessWidget();
      configDlg.extDlg->kleEssid->setText(wifiDev->getEssid());
      configDlg.extDlg->kleWepKey->setText(wifiDev->getWepKey());
      if (wifiDev->getKeyType() == WIRELESS_WEP_KEY_TYPE_ASCII)
        configDlg.extDlg->qcbKeyType->setCurrentItem(0);              
      else if (wifiDev->getKeyType() == WIRELESS_WEP_KEY_TYPE_HEXADECIMAL)
        configDlg.extDlg->qcbKeyType->setCurrentItem(1);
    }

    configDlg.addButtons();
    //Disable Apply button so it only is enabled when a change is made
    configDlg.kpbApply->setEnabled(false);
    configDlg.exec();

    if (configDlg.modified())
    {
      if(configDlg.addDlg->rbBootProtoManual->isChecked())
      {
        item->setText(2,i18n("Manual"));
	      dev->setBootProto("none");
      }
      //If the selected boot protocol is dhcp or bootp (Auto), then we don't need the
      //past IP address, netmask, network and broadcast, as a new one will be assigned by
      //the dhcp server.
      else if (configDlg.addDlg->rbBootProtoAuto->isChecked())
      {
        if (configDlg.addDlg->kcbAutoBootProto->currentText() != dev->getBootProto())
        {
          dev->setIpAddress("");
          configDlg.addDlg->kleIPAddress->setText("");
          dev->setGateway("");
          dev->setNetmask("");
          dev->setNetwork("");
          dev->setBroadcast("");
        }
        item->setText(2,configDlg.addDlg->kcbAutoBootProto->currentText());
        dev->setBootProto(configDlg.addDlg->kcbAutoBootProto->currentText());
      }
      item->setText(1,configDlg.addDlg->kleIPAddress->text());
      item->setText(4,advancedOptions->kleDescription->text());

        if (valuesChanged(dev,
                        configDlg.addDlg->kcbAutoBootProto->currentText(),
                        configDlg.addDlg->kcbNetmask->currentText(),
                        configDlg.addDlg->kleIPAddress->text(),
                        advancedOptions->kleGateway->text(),
                        configDlg.addDlg->kcbstartAtBoot->isChecked(),
	 		                  advancedOptions->kleDescription->text(),
		  	                advancedOptions->kleBroadcast->text()))
        {
          dev->setIpAddress(configDlg.addDlg->kleIPAddress->text().stripWhiteSpace());
          dev->setGateway(advancedOptions->kleGateway->text().stripWhiteSpace());
          dev->setNetmask(configDlg.addDlg->kcbNetmask->currentText().stripWhiteSpace());
          TQString network = KAddressValidator::calculateNetwork(dev->getIpAddress().stripWhiteSpace(),dev->getNetmask().stripWhiteSpace());
          dev->setNetwork(network);
          TQString broadcast = advancedOptions->kleBroadcast->text().stripWhiteSpace();
          if (broadcast.isEmpty())
            broadcast = KAddressValidator::calculateBroadcast(dev->getIpAddress().stripWhiteSpace(),dev->getNetmask().stripWhiteSpace());
          dev->setBroadcast(broadcast);
          dev->setDescription(advancedOptions->kleDescription->text());

          if (configDlg.addDlg->kcbstartAtBoot->isChecked())
            dev->setOnBoot("yes");
          else
            dev->setOnBoot("no");
        }
        //If the interface is wireless, then save the wireless configuration options
        if (dev->getType() == WIRELESS_IFACE_TYPE){
          wifiDev->setEssid(configDlg.extDlg->kleEssid->text());
          wifiDev->setWepKey(configDlg.extDlg->kleWepKey->password());
          wifiDev->setKeyType(configDlg.extDlg->qcbKeyType->currentText());
          dev = wifiDev;          
        }
        devicesModified = true;
        enableApplyButtonSlot();
    }
  }
}

/**Returns the info of the network device 'device or NULL if not found.'*/
KNetworkInterface * KNetworkConf::getDeviceInfo(TQString device){
  TQPtrList<KNetworkInterface> deviceList = netInfo->getDeviceList();
  TQPtrListIterator<KNetworkInterface>  i(deviceList);
  KNetworkInterface *temp;
  while ((temp = i.current()) != 0)
  {
    if (temp->getDeviceName() == device)
    {
      return temp;
    }
    ++i;
  }
  return NULL;
}

/**Returns the name of the network device that corresponds to the IP address 'ipAddr' or NULL if not found.'*/
TQString KNetworkConf::getDeviceName(TQString ipAddr){
  TQPtrList<KNetworkInterface> deviceList = netInfo->getDeviceList();
  TQPtrListIterator<KNetworkInterface>  i(deviceList);
  KNetworkInterface *temp;
  while ((temp = i.current()) != 0)
  {
    if (temp->getIpAddress().compare(ipAddr) == 0)
    {
      return temp->getDeviceName();
    }
    ++i;
  }
  return NULL;
}


/** Looks in the output returned by ifconfig to see if there are the devices up or down.*/
void KNetworkConf::readFromStdout(){
  commandOutput = "";
  commandOutput += procUpdateDevice->readStdout();
}

/** Loads the info about the default gateway and host and domain names. */
void KNetworkConf::loadRoutingInfo(){
  //routingInfo = config->getNetworkInfoSlot();
  if (!routingInfo->getGateway().isEmpty())
    kleDefaultRoute->setText(routingInfo->getGateway());
  else
  {
    //Take the default gateway from the gateway field of the default gateway interface
    //because some platforms (Debian-like ones) seems that don't handle the concept of a default 
    //gateway, instead a gateway per interface.
    KNetworkInterface *device;
    TQString defaultGwDevice = routingInfo->getGatewayDevice();
    TQPtrList<KNetworkInterface> deviceList = netInfo->getDeviceList();
    for (device = deviceList.first(); device; device = deviceList.next())
    {  
      if ( device->getDeviceName() == defaultGwDevice )
      {
        if ( !device->getGateway().isEmpty() )  
        {
          kleDefaultRoute->setText(device->getGateway());
        }
      }
    }    
  }  
    
  kcbGwDevice->clear();
  kcbGwDevice->insertStringList(deviceNamesList);
  if (!routingInfo->getGatewayDevice().isEmpty())
    kcbGwDevice->setCurrentText(routingInfo->getGatewayDevice());
/*  if (routingInfo->isForwardIPv4Enabled().compare("yes") == 0)
      cbEnableRouting->setChecked(true);
    else
      cbEnableRouting->setChecked(false);*/
}

void KNetworkConf::loadDNSInfo(){
  TQStringList nameServers;
  if (dnsInfo == NULL)
    KMessageBox::error(this,i18n("Could not open file '/etc/resolv.conf' for reading."),
                        i18n("Error Loading Config Files"));
  else
  {
    kleHostName->setText(dnsInfo->getMachineName());
    kleDomainName->setText(dnsInfo->getDomainName());
    klbDomainServerList->clear();
    nameServers = dnsInfo->getNameServers();
    for ( TQStringList::Iterator it = nameServers.begin(); it != nameServers.end(); ++it)
    {
      klbDomainServerList->insertItem(*it);
    }
    klvKnownHosts->clear();
    knownHostsList = dnsInfo->getKnownHostsList();
    TQPtrListIterator<KKnownHostInfo> it(knownHostsList);
    KKnownHostInfo *host;
    while ((host = it.current()) != 0)
    {
      ++it;
      if (!(host->getIpAddress().isEmpty()))
      {
        TQListViewItem * item = new TQListViewItem( klvKnownHosts, 0 );
        item->setText(0,host->getIpAddress());
        TQStringList aliasesList = host->getAliases();
        TQString aliases;
        for ( TQStringList::Iterator it = aliasesList.begin(); it != aliasesList.end(); ++it )
        {
          aliases += *it+" ";
        }
        item->setText(1,aliases);
      }
    }
  }
}

void KNetworkConf::loadNetworkProfiles(){
  TQPtrListIterator<KNetworkInfo> it(profilesList);
  KNetworkInfo *profile = NULL;
  
  klvProfilesList->clear();
  while ((profile = it.current()) != 0)
  {
    ++it;
    if (!profile->getProfileName().isEmpty())
    {
      TQListViewItem * item = new TQListViewItem( klvProfilesList, 0 );
      item->setText(0,profile->getProfileName());
    }
  }    
}

/** Shows the help browser. Hopefully some day it will be one :-). */
void KNetworkConf::helpSlot(){
  kapp->invokeHelp();
}

/** No descriptions */
void KNetworkConf::aboutSlot(){
  TDEAboutApplication *about = new TDEAboutApplication(kapp->aboutData(),0);

 // about->setLogo(locate("icon","knetworkconf.png"));
  //tqDebug("locate icon= %s",locate("icon","knetworkconf.png").latin1());

  about->show();
}
/** No descriptions */
void KNetworkConf::enableApplyButtonSlot(){
 //if (!readOnly)
    //kpbApply->setEnabled(true);
  modified = true;
  emit networkStateChanged(true);
}
/** Puts the application in read-only mode. This happens when the user runing
the application t root. */
void KNetworkConf::setReadOnly(bool state){
  KNetworkConf::readOnly = state;
}
/** No descriptions */
void KNetworkConf::enableApplyButtonSlot(const TQString &text){
  Q_UNUSED(text)
  enableApplyButtonSlot();
}
/** No descriptions */
void KNetworkConf::enableApplyButtonSlot(bool){
  enableApplyButtonSlot();
}
/** No descriptions */
void KNetworkConf::removeServerSlot(){
  if (klbDomainServerList->currentItem() >= 0)
  {
    klbDomainServerList->removeItem(klbDomainServerList->currentItem());
    enableApplyButtonSlot();
  }
}
void KNetworkConf::moveUpServerSlot(){
  int curPos = klbDomainServerList->currentItem();
  int antPos = klbDomainServerList->currentItem() - 1;

  if (antPos >= 0)
  {
    TQListBoxItem *current = klbDomainServerList->item(curPos);
    TQListBoxItem *ant = current->prev();
    TQString antText = ant->text();
    klbDomainServerList->removeItem(antPos);
    klbDomainServerList->insertItem(antText,curPos);
    enableApplyButtonSlot();
  }
}
void KNetworkConf::moveDownServerSlot(){
  int curPos = klbDomainServerList->currentItem();
  unsigned nextPos = klbDomainServerList->currentItem() + 1;

  if (curPos != -1)
  {
    if (klbDomainServerList->count() >= nextPos)
    {
      TQListBoxItem *current = klbDomainServerList->item(curPos);
      TQString curText = current->text();
      klbDomainServerList->removeItem(curPos);
      klbDomainServerList->insertItem(curText,nextPos);
      klbDomainServerList->setSelected(nextPos,true);
     enableApplyButtonSlot();
    }
  }
}
/** Disables all buttons a line edit widgets when the user has read only access. */
void KNetworkConf::disableAll(){
  kleHostName->setReadOnly(true);
  kleDomainName->setReadOnly(true);
  tlDomainName->setEnabled(false);
  tlHostName->setEnabled(false);
  disconnect(klvCardList,TQT_SIGNAL(doubleClicked(TQListViewItem *)),this,TQT_SLOT(configureDeviceSlot()));
  klvCardList->setEnabled(false);
  kpbUpButton->setEnabled(false);
  kpbDownButton->setEnabled(false);
  kpbConfigureNetworkInterface->setEnabled(false);
  gbDefaultGateway->setEnabled(false);
  gbDNSServersList->setEnabled(false);
  gbKnownHostsList->setEnabled(false);
//  gbNetworkOptions->setEnabled(false);
}

/** Saves all the modified info of devices, routes,etc. */
void KNetworkConf::saveInfoSlot(){
  config->setProgramVersion(getVersion());

  if (!KAddressValidator::isValidIPAddress(kleDefaultRoute->text()) && (!(kleDefaultRoute->text().isEmpty())))
  {
    KMessageBox::error(this,i18n("The default Gateway IP address is invalid."),i18n("Invalid IP Address"));
  }
  else
  {
    //Update DNS info
    routingInfo->setDomainName(kleDomainName->text());
    routingInfo->setHostName(kleHostName->text());
    dnsInfo->setDomainName(kleDomainName->text());
    dnsInfo->setMachineName(kleHostName->text());
    dnsInfo->setNameServers(getNamserversList(klbDomainServerList));
    dnsInfo->setKnownHostsList(getKnownHostsList(klvKnownHosts));

    //Update routing info
    routingInfo->setGateway(kleDefaultRoute->text());
    if (routingInfo->getGateway().isEmpty())
      routingInfo->setGatewayDevice("");

    if (!kleDefaultRoute->text().isEmpty())
      routingInfo->setGatewayDevice(kcbGwDevice->currentText());

    //Save all info
    //netInfo->setDeviceList(deviceList);
    netInfo->setRoutingInfo(routingInfo);
    netInfo->setDNSInfo(dnsInfo);

    //Add the default gateway to the gateway field of the default gateway interface
    //because some platforms (Debian-like ones) get the default gateway from there 
    //instead from the default gateway field. funny huh?
    KNetworkInterface *device;
    TQString defaultGwDevice = routingInfo->getGatewayDevice();
    TQString defaultGwAddress = routingInfo->getGateway();
    TQPtrList<KNetworkInterface> deviceList = netInfo->getDeviceList();
    for (device = deviceList.first(); device; device = deviceList.next())
    {  
      if ( device->getGateway().length() == 0 )
      {
        if ( device->getDeviceName() == defaultGwDevice )  
        {
          device->setGateway(defaultGwAddress);
        }
      }
    }  
    
    config->saveNetworkInfo(netInfo);
    modified = false;
  }
}
/** Creates a TQStringList with the IP addresses contained in the TQListBox of name servers. */
TQStringList KNetworkConf::getNamserversList(TDEListBox * serverList){
  TQStringList list;
  for (unsigned i = 0; i < serverList->count(); i++)
  {
    list.append(serverList->text(i));
  }
  return list;
}
/** Creates a TQPtrList<KKownHostInfo> with the info contained in the TDEListView of name servers. */
TQPtrList<KKnownHostInfo> KNetworkConf::getKnownHostsList(TDEListView * hostsList){
  TQPtrList<KKnownHostInfo> list;
  TQListViewItem *it = hostsList->firstChild();
  for (int i = 0; i < hostsList->childCount(); i++)
  {
    KKnownHostInfo *host = new KKnownHostInfo();

    if (!(it->text(0).isEmpty()))
    {
      host->setIpAddress(it->text(0));
//      host->setHostName(it->text(1));
      host->setAliases(TQStringList::split(" ",it->text(1)));
      it = it->nextSibling();
      list.append(host);
    }
  }
  return list;
}

TQString KNetworkConf::getVersion(){
  return version;
}
void KNetworkConf::setVersion(TQString ver){
  KNetworkConf::version = ver;
}

/** Changes the state of device 'dev' to DEVICE_UP or DEVICE_DOWN.
Return true on success, false on failure.  */
void KNetworkConf::changeDeviceState(const TQString &dev, int state){
  // If the text "Changing device state" is user visible it cannot be the
  // name parameter to the constructor.
  KInterfaceUpDownDlg* dialog = new KInterfaceUpDownDlg(this,"Changing device state");

  if (state == DEVICE_UP)
    dialog->label->setText(i18n("Enabling interface <b>%1</b>").arg(dev));
  else
    dialog->label->setText(i18n("Disabling interface <b>%1</b>").arg(dev));

  dialog->setModal(true);
  dialog->show();

  procDeviceState = new TQProcess(TQT_TQOBJECT(this));
  TQString cmd;
  procDeviceState->addArgument( locate("data",BACKEND_PATH) );

  //If the platform couldn't be autodetected specify it manually
  if (netInfo->getPlatformName() != TQString())
  {
    procDeviceState->addArgument( "--platform" );
    procDeviceState->addArgument( netInfo->getPlatformName() );
  }
  procDeviceState->addArgument( "-d" );

  if (state == DEVICE_UP)
    procDeviceState->addArgument("enable_iface::"+dev+"::1" );
  else if (state == DEVICE_DOWN)
    procDeviceState->addArgument("enable_iface::"+dev+"::0" );

  connect( procDeviceState, TQT_SIGNAL(readyReadStdout()),this, TQT_SLOT(readFromStdoutUpDown()) );
  connect( procDeviceState, TQT_SIGNAL(readyReadStderr()),this, TQT_SLOT(readFromStdErrUpDown()) );
  connect( procDeviceState, TQT_SIGNAL(processExited()),this, TQT_SLOT(verifyDeviceStateChanged()) );
  connect( procDeviceState, TQT_SIGNAL(processExited()), dialog, TQT_SLOT(close()) );

  currentDevice = dev;
  commandOutput = "";

  if ( !procDeviceState->start() )
  {
    // error handling
    KMessageBox::error(this,
                        i18n("Could not launch backend to change network device state. You will have to do it manually."),
                        i18n("Error"));
    dialog->close();
  }

}
void KNetworkConf::readFromStdoutUpDown(){
  commandOutput.append(procDeviceState->readStdout());
}

void KNetworkConf::verifyDeviceStateChanged(){
  KNetworkInterface *dev;
  TQPixmap activeEthernetDeviceImg(BarIcon("network_connected_lan_knc"));
  TQPixmap inactiveEthernetDeviceImg(BarIcon("network_disconnected_lan"));
  TQPixmap activeWirelessDeviceImg(BarIcon("network_traffic_wlan"));
  TQPixmap inactiveWirelessDeviceImg(BarIcon("network_disconnected_wlan"));

  commandOutput = commandOutput.section('\n',1);
  if (commandErrOutput.length() > 0)
  {
        KMessageBox::error(this,
                            i18n("There was an error changing the device's state. You will have to do it manually."),
                            i18n("Could Not Change Device State"));

  }
  else if (commandOutput == "\n<!-- GST: end of request -->")
  {
    TQListViewItem *item = klvCardList->findItem(currentDevice,0,ExactMatch);
    if (item != NULL)
    {
      dev = getDeviceInfo(currentDevice);
      if (!dev->isActive())
      {
        dev->setActive(true);
        if (dev->getType() == "ethernet")
          item->setPixmap(0,activeEthernetDeviceImg);
        else if (dev->getType() == "wireless")
          item->setPixmap(0,activeWirelessDeviceImg);

        item->setText(3,i18n("Enabled"));
        item->setPixmap(3,SmallIcon("ok"));
//        config->runDetectionScript(netInfo->getPlatformName());
        config->listIfaces(netInfo->getPlatformName());
//        item->setText(1,dev->getIpAddress());
      }
      else
      {
        dev->setActive(false);
        if (dev->getType() == "ethernet")
          item->setPixmap(0,inactiveEthernetDeviceImg);
        else if (dev->getType() == "wireless")
          item->setPixmap(0,inactiveWirelessDeviceImg);

        item->setText(3,i18n("Disabled"));
        item->setPixmap(3,SmallIcon("process-stop"));
        if (dev->getBootProto().lower() == "dhcp")
          item->setText(1,"");
      }
      enableButtonsSlot();
    }
  }
}
/** Returns a list of strings of all the configured devices. */
TQStringList KNetworkConf::getDeviceList(){
  TQStringList list;
  KNetworkInterface * device;
  TQPtrList<KNetworkInterface> deviceList = netInfo->getDeviceList();
  for (device = deviceList.first(); device; device = deviceList.next())
  {
    list.append(device->getDeviceName());
  }
  return list;
}
/** No descriptions */
bool KNetworkConf::valuesChanged(KNetworkInterface *dev,
                                  TQString bootProto,
                                  TQString netmask,
                                  TQString ipAddr,
                                  TQString gateway,
                                  bool onBoot,
                                  TQString desc,
				  TQString broadcast){
  if ((dev->getBootProto() != bootProto) ||
      (dev->getNetmask() != netmask) ||
      (dev->getIpAddress() != ipAddr) ||
      (dev->getGateway() != gateway) ||
      ((dev->getOnBoot() == "yes") && !(onBoot)) ||
      ((dev->getOnBoot() == "no") && (onBoot)) ||
      (dev->getDescription() != desc) ||
      (dev->getBroadcast() != broadcast))
    return true;
  else
    return false;
}

void KNetworkConf::enableInterfaceSlot()
{
  if (modified) {
    if (KMessageBox::warningContinueCancel(this,
                     i18n("The new configuration has not been saved.\nApply changes?"),
                     i18n("New Configuration Not Saved"),
                     KStdGuiItem::apply()) == KMessageBox::Continue)
      saveInfoSlot();
    else    
      return;
  }

  KNetworkInterface *dev = getDeviceInfo(klvCardList->currentItem()->text(0));
  if (dev->isActive())
    changeDeviceState(dev->getDeviceName(),DEVICE_DOWN);
  else
    changeDeviceState(dev->getDeviceName(),DEVICE_UP);
}

void KNetworkConf::disableInterfaceSlot()
{
  if (modified) {
    if (KMessageBox::warningContinueCancel(this,
                     i18n("The new configuration has not been saved.\nApply changes?"),
                     i18n("New Configuration Not Saved"),
                     KStdGuiItem::apply()) == KMessageBox::Continue)
      saveInfoSlot();
    else    
      return;
  }

  KNetworkInterface *dev = getDeviceInfo(klvCardList->currentItem()->text(0));
  if (dev->isActive())
    changeDeviceState(dev->getDeviceName(),DEVICE_DOWN);
  else
    changeDeviceState(dev->getDeviceName(),DEVICE_UP);
}

/** Adds a new host to the TDEListView that has the known hosts. */
void KNetworkConf::addKnownHostSlot(){
  KAddKnownHostDlg dlg(this,0);
  dlg.setCaption(i18n("Add New Static Host"));
  TQString aliases;

  dlg.exec();

  if (!dlg.kleIpAddress->text().isEmpty() && dlg.klbAliases->firstItem() )
  {
    TQListViewItem * item = new TQListViewItem( klvKnownHosts, 0 );

    item->setText(0,dlg.kleIpAddress->text());

    for ( uint i = 0; i < dlg.klbAliases->count(); i++ )
      aliases += dlg.klbAliases->text(i) + " ";

    item->setText(1,aliases);
    enableApplyButtonSlot();
  }
}

/** Removes a known host from the list view */
void KNetworkConf::removeKnownHostSlot()
{
  if (klvKnownHosts->currentItem() != 0)
  {
    klvKnownHosts->removeItem(klvKnownHosts->currentItem());
    enableApplyButtonSlot();
  }
}

/** Edits the info about a known host. */
void KNetworkConf::editKnownHostSlot()
{
  KAddKnownHostDlg dlg(this,0);
  dlg.setCaption(i18n("Edit Static Host"));
  TQListViewItem *item = klvKnownHosts->currentItem();
  dlg.kleIpAddress->setText(item->text(0));

  TQStringList aliases = TQStringList::split( " ", item->text(1) );
  int n = 0;
  for ( TQStringList::Iterator it = aliases.begin(); it != aliases.end(); ++it, ++n )
  {
    TQString alias = *it;
    dlg.klbAliases->insertItem(alias,n);
  }

  dlg.exec();

  TQString _aliases;
  if (!dlg.kleIpAddress->text().isEmpty() && dlg.klbAliases->firstItem() )
  {
    TQListViewItem * item = klvKnownHosts->currentItem();

    item->setText(0,dlg.kleIpAddress->text());

    for ( uint i = 0; i < dlg.klbAliases->count(); i++ )
      _aliases += dlg.klbAliases->text(i) + " ";

    item->setText(1,_aliases);
    enableApplyButtonSlot();
  }

}

/** Shows the main window after the network info has been loaded. */
void KNetworkConf::showMainWindow()
{
  show();
}
/** No descriptions */
void KNetworkConf::readFromStdErrUpDown()
{
  commandErrOutput.append(procDeviceState->readStderr());
}
/** Sees if a device is active or not in the ifconfig output. Not very nice, but it works. Inthe future, this has to be managed by gst. */
bool KNetworkConf::isDeviceActive(const TQString &device, const TQString &ifconfigOutput){
    TQString temp = ifconfigOutput.section(device,1,1);
    if (temp.isEmpty())
      return false;
    else
    {
      TQString temp2 = temp.section("UP",0,0); //two firts lines of the device info.
      TQString temp3 = temp2.section("\n",0,0); //Link encap:Ethernet  HWaddr 00:00:21:C5:99:A0
      TQString temp4 = temp2.section("\n",1,1); //inet addr:192.168.1.1  Bcast:192.255.255.255  Mask:255.0.0.0
      temp3 = temp3.stripWhiteSpace();
      temp4 = temp4.stripWhiteSpace();
      TQString temp5 = temp3.section(" ",4,4); //00:00:21:C5:99:A0
      TQString temp6 = temp4.section(" ",1,1); // addr:192.168.1.1
      temp6 = temp6.section(":",1,1); //192.168.1.1
      TQString temp7 = temp4.section(" ",3,3); //Bcast:192.255.255.255
      temp7 = temp7.section(":",1,1); //192.255.255.255
      TQString temp8 = temp4.section(" ",5,5); // Mask:255.0.0.0
      temp8 = temp8.section(":",1,1); //255.0.0.0

      //If the ip address is empty it must be a dhcp interface, so fill these fields:
      if (temp6.isEmpty())
        return false;
    }
    return true;
}
void KNetworkConf::setReadOnlySlot(bool state)
{
  state = !state;
  gbDefaultGateway->setEnabled(state);
  kleDomainName->setEnabled(state);
  kleHostName->setEnabled(state);
  gbDNSServersList->setEnabled(state);
  gbKnownHostsList->setEnabled(state);
  klvCardList->setEnabled(state);
  kpbUpButton->setEnabled(state);
  kpbDownButton->setEnabled(state);
  kpbConfigureNetworkInterface->setEnabled(state);
}

/*Shows a context menu when right-clicking in the interface list*/
void KNetworkConf::showInterfaceContextMenuSlot(TDEListView* lv, TQListViewItem* lvi, const TQPoint& pt)
{
  Q_UNUSED(lv)
  Q_UNUSED(lvi)

  TDEPopupMenu *context = new TDEPopupMenu( this );
  TQ_CHECK_PTR( context );
  context->insertItem( "&Enable Interface", this, TQT_SLOT(enableInterfaceSlot()));
  context->insertItem( "&Disable Interface", this, TQT_SLOT(disableInterfaceSlot()));
  TQListViewItem *item = klvCardList->currentItem();
  TQString currentDevice = item->text(0);
  KNetworkInterface *dev = getDeviceInfo(currentDevice);

  if (dev->isActive())
  {
    context->setItemEnabled(0,false);
    context->setItemEnabled(1,true);
  }
  else
  {
    context->setItemEnabled(0,true);
    context->setItemEnabled(1,false);
  }
  context->insertSeparator(2);
  context->insertItem( "&Configure Interface...", this, TQT_SLOT(configureDeviceSlot()));
  context->popup(pt);
  //context->insertItem( "About &TQt", this, TQT_SLOT(aboutTQt()) );
}

void KNetworkConf::enableSignals()
{
  tooltip->setProfiles(netInfo->getProfilesList());
  connect(kleDefaultRoute,TQT_SIGNAL(textChanged(const TQString&)),this,TQT_SLOT(enableApplyButtonSlot(const TQString&)));
  connect(kleDomainName,TQT_SIGNAL(textChanged(const TQString&)),this,TQT_SLOT(enableApplyButtonSlot(const TQString&)));
  connect(kleHostName,TQT_SIGNAL(textChanged(const TQString&)),this,TQT_SLOT(enableApplyButtonSlot(const TQString&)));
}

void KNetworkConf::enableProfileSlot()
{
  //Get selected profile
  TQListViewItem *item = klvProfilesList->currentItem();
  
  if (item != NULL)
  {
    TQString selectedProfile = item->text(0);  
  
    //And search for it in the profiles list
    KNetworkInfo *profile = getProfile(netInfo->getProfilesList(),selectedProfile);
    if (profile != NULL)
    { 
      profile->setProfilesList(netInfo->getProfilesList()); 
      config->saveNetworkInfo(profile);
      modified = false;
      //connect( config, TQT_SIGNAL(readyLoadingNetworkInfo()), this, TQT_SLOT(showSelectedProfile(selectedProfile)) );
    }
    else
      KMessageBox::error(this,
                          i18n("Could not load the selected Network Profile."),
                          i18n("Error Reading Profile"));
  }      
}

KNetworkInfo *KNetworkConf::getProfile(TQPtrList<KNetworkInfo> profilesList, TQString selectedProfile)
{
  TQPtrListIterator<KNetworkInfo> it(profilesList);
  KNetworkInfo *net = NULL;
    
  while ((net = it.current()) != 0)
  {
    ++it;
    if (net->getProfileName() == selectedProfile)
      break;
  }
  return net;
}

void KNetworkConf::createProfileSlot()
{
  if (!netInfo)
		  return;
  bool ok;
  TQString newProfileName = KInputDialog::getText(i18n("Create New Network Profile"), 
                                        i18n("Name of new profile:"), 
                                        TQString(), &ok, this );
  if ( ok && !newProfileName.isEmpty() ) 
  {
    TQPtrList<KNetworkInfo> profiles = netInfo->getProfilesList();
    KNetworkInfo *currentProfile = getProfile(profiles,newProfileName);
    KNetworkInfo *newProfile = new KNetworkInfo();

    //If there isn't a profile with the new name we add it to the list.
    if (currentProfile == NULL)
    {
      new TQListViewItem( klvProfilesList,newProfileName);

      //memcpy(newProfile,netInfo,sizeof(netInfo) + sizeof(KRoutingInfo) + sizeof(KDNSInfo));
      //Is there a better way to copy an object? the above memcpy doesn't do the trick
      newProfile->setProfileName(newProfileName);
      newProfile->setDNSInfo(netInfo->getDNSInfo());
      newProfile->setDeviceList(netInfo->getDeviceList());
      newProfile->setNetworkScript(netInfo->getNetworkScript());
      newProfile->setPlatformName(netInfo->getPlatformName());
      newProfile->setProfilesList(netInfo->getProfilesList());
      newProfile->setRoutingInfo(netInfo->getRoutingInfo());

      profiles.append(newProfile);
      netInfo->setProfilesList(profiles);
      enableApplyButtonSlot(); 
    }  
    else
      KMessageBox::error(this,
                        i18n("There is already another profile with that name."),
                        i18n("Error"));
  }
                          
}

/*void KNetworkConf::updateProfileNameSlot(TQListViewItem *item)
{
  TQString newName = item->text(0);
  
  if (newName.isEmpty())
    KMessageBox::error(this,
                        i18n("The profile name can't be left blank."),
                        i18n("Error"));
  else
  {                      
    KNetworkInfo *currentProfile = getProfile(netInfo->getProfilesList(),newName);  
    KNetworkInfo *newProfile = new KNetworkInfo();
  
    //If there is a profile with that name we rename it to the new name.
    if (currentProfile != NULL)
    {
      currentProfile->setProfileName(item->text(0));
      modified = false;
      enableApplyButtonSlot();
    }
  }  
}*/

void KNetworkConf::removeProfileSlot()
{
  TQListViewItem *item= klvProfilesList->selectedItem();
  if (item != NULL)
  {
/*    if (KMessageBox::warningContinueCancel(this,
                        i18n("Are you sure you want to delete the selected network profile?"),
                        i18n("Delete Profile"),KStdGuiItem::del()) == KMessageBox::Continue)*/
    {                    
      TQString selectedProfile = item->text(0);
      TQPtrList<KNetworkInfo> profiles = netInfo->getProfilesList();
      KNetworkInfo *profileToDelete = NULL;
  
      for ( profileToDelete = profiles.first(); profileToDelete; profileToDelete = profiles.next() )
      {
        TQString profileName = profileToDelete->getProfileName();
        if (profileName == selectedProfile)
        {    
          profiles.remove(profileToDelete);
          netInfo->setProfilesList(profiles);
          klvProfilesList->takeItem(item);
          modified = false;        
          enableApplyButtonSlot();
          break;
        }
      }
    }  
  }  
}

void KNetworkConf::updateProfileSlot()
{
  TQListViewItem *item= klvProfilesList->selectedItem();
  if (item != NULL)
  {
    TQString selectedProfile = item->text(0);
    TQPtrList<KNetworkInfo> profiles = netInfo->getProfilesList();
    KNetworkInfo *profileToUpdate = NULL;
    KNetworkInfo *newProfile = new KNetworkInfo();
  
    for ( profileToUpdate = profiles.first(); profileToUpdate; profileToUpdate = profiles.next() )
    {
      TQString profileName = profileToUpdate->getProfileName();
      if (profileName == selectedProfile)
      { 
        tqDebug("profile updated");
        newProfile->setProfileName(profileName);
        newProfile->setDNSInfo(netInfo->getDNSInfo());
        newProfile->setDeviceList(netInfo->getDeviceList());
        newProfile->setNetworkScript(netInfo->getNetworkScript());
        newProfile->setPlatformName(netInfo->getPlatformName());
        newProfile->setProfilesList(netInfo->getProfilesList());
        newProfile->setRoutingInfo(netInfo->getRoutingInfo());
  
        
        profileToUpdate = netInfo;   
        int curPos = profiles.at();
  //      profileToUpdate->setProfileName(profileName);   
        profiles.remove();
        profiles.insert(curPos,newProfile);
        netInfo->setProfilesList(profiles);
        modified = false;        
        enableApplyButtonSlot();
        break;
      }
    }
  }
}

TQString KNetworkConf::handbookDocPath() const
{
	int index = tabWidget->currentPageIndex();
	if (index == 0)
		return "knetworkconf/using-the-module.html#network-interfaces";
	else if (index == 1)
		return "knetworkconf/route.html";
	else if (index == 2)
		return "knetworkconf/dns.html";
	else if (index == 3)
		return "knetworkconf/profile.html";
	else
		return TQString::null;
}

#include "knetworkconf.moc"