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#include "wlanimp2.h"
#include "keyedit.h"
#include "interfacesetupimp.h"
#include "../interfaces/interface.h"
#include <assert.h>
#include <errno.h>
#include <string.h>
#include <qapplication.h>
#include <qfile.h>
#include <qdir.h>
#include <qdialog.h>
#include <qtextstream.h>
#include <qmessagebox.h>
#include <qlineedit.h>
#include <qlabel.h>
#include <qspinbox.h>
#include <qradiobutton.h>
#include <qpushbutton.h>
#include <qcheckbox.h>
#include <qtabwidget.h>
#include <qcombobox.h>
#include <qlistview.h>
#include <qvbox.h>
#include <qprogressbar.h>
#ifdef QWS
#include <qpe/resource.h>
#include <opie/oprocess.h>
#include <opie2/onetwork.h>
#include <opie2/opcap.h>
#else
#define OProcess KProcess
#include <kprocess.h>
#endif
#define WIRELESS_OPTS "/etc/pcmcia/wireless.opts"
#define PREUP "/etc/network/if-pre-up.d/wireless-tools"
/**
* Constructor, read in the wireless.opts file for parsing later.
*/
WLANImp::WLANImp( QWidget* parent, const char* name, Interface *i, bool modal, WFlags fl) : WLAN(parent, name, modal, fl), interface(i), currentProfile("*") {
interfaces = new Interfaces();
interfaceSetup = new InterfaceSetupImp(tabWidget, "InterfaceSetupImp", i, interfaces);
tabWidget->insertTab(interfaceSetup, "TCP/IP");
// Check sanity - the existance of the wireless-tools if-pre-up script
QFile file(QString(PREUP));
if (file.exists()) {
qWarning(QString("WLANImp: Unable to open /etc/network/if-pre-up.d/wireless-tools"));
}
connect( rescanButton, SIGNAL( clicked() ), this, SLOT( rescanNeighbourhood() ) );
connect( netView, SIGNAL( clicked( QListViewItem* ) ), this, SLOT( selectNetwork( QListViewItem* ) ) );
netView->setColumnAlignment( col_chn, AlignCenter );
netView->setItemMargin( 3 );
netView->setAllColumnsShowFocus( true );
}
WLANImp::~WLANImp() {
//FIXME: delete interfaces;
}
/**
* Change the profile for both wireless settings and network settings.
*/
void WLANImp::setProfile(const QString &profile){
interfaceSetup->setProfile(profile);
parseOpts();
}
void WLANImp::parseOpts() {
bool error;
QString opt;
if (! interfaces->isInterfaceSet())
return;
opt = interfaces->getInterfaceOption("wireless_essid", error);
if(opt == "any" || opt == "off" || opt.isNull()){
essid->setEditText("any");
} else {
essid->setEditText(opt);
}
opt = interfaces->getInterfaceOption("wireless_mode", error).simplifyWhiteSpace();
for ( int i = 0; i < mode->count(); i++)
if ( mode->text( i ) == opt ) mode->setCurrentItem( i );
opt = interfaces->getInterfaceOption("wireless_ap", error).simplifyWhiteSpace();
if (! opt.isNull()) {
specifyAp->setChecked(true);
macEdit->setText(opt);
}
opt = interfaces->getInterfaceOption("wireless_channel", error).simplifyWhiteSpace();
if (! opt.isNull()) {
specifyChan->setChecked(true);
networkChannel->setValue(opt.toInt());
}
opt = interfaces->getInterfaceOption("wireless_key", error).simplifyWhiteSpace();
if (opt.isNull())
opt = interfaces->getInterfaceOption("wireless_enc", error).simplifyWhiteSpace();
parseKeyStr(opt);
}
void WLANImp::parseKeyStr(QString keystr) {
int loc = 0;
int index = 1;
QString key;
QStringList keys = QStringList::split(QRegExp("\\s+"), keystr);
int enc = -1; // encryption state
for (QStringList::Iterator it = keys.begin(); it != keys.end(); ++it) {
if ((*it).left(3) == "off") {
// encryption disabled
enc = 0;
} else if ((*it).left(2) == "on") {
// encryption enabled
enc = 1;
} else if ((*it).left(4) == "open") {
// open mode, accept non encrypted packets
acceptNonEnc->setChecked(true);
} else if ((*it).left(10) == "restricted") {
// restricted mode, only accept encrypted packets
rejectNonEnc->setChecked(true);
} else if ((*it).left(3) == "key") {
// new set of options
} else if ((*it).left(1) == "[") {
index = (*it).mid(1, 1).toInt();
// switch current key to index
switch (index) {
case 1:
keyRadio0->setChecked(true);
break;
case 2:
keyRadio1->setChecked(true);
break;
case 3:
keyRadio2->setChecked(true);
break;
case 4:
keyRadio3->setChecked(true);
break;
}
} else {
// key
key = (*it);
}
if (! key.isNull()) {
if (enc == -1)
enc = 1;
QStringList::Iterator next = ++it;
if (it == keys.end()) {
break;
}
if ((*(next)).left(1) == "[") {
// set key at index
index = (*(next)).mid(1, 1).toInt();
} else {
index = 1;
}
switch (index) {
case 1:
keyLineEdit0->setText(key);
break;
case 2:
keyLineEdit1->setText(key);
break;
case 3:
keyLineEdit2->setText(key);
break;
case 4:
keyLineEdit3->setText(key);
break;
}
key = QString::null;
}
}
if (enc == 1) {
wepEnabled->setChecked(true);
} else {
wepEnabled->setChecked(false);
}
}
/**
* Check to see if the current config is valid
* Save interfaces
*/
void WLANImp::accept() {
if (wepEnabled->isChecked()) {
if ((keyRadio0->isChecked() && keyLineEdit0->text().isEmpty()) ||
(keyRadio1->isChecked() && keyLineEdit1->text().isEmpty()) ||
(keyRadio2->isChecked() && keyLineEdit2->text().isEmpty()) ||
(keyRadio3->isChecked() && keyLineEdit3->text().isEmpty())) {
QMessageBox::information(this, "Error", "Please enter a WEP key.", QMessageBox::Ok);
return;
}
}
if (essid->currentText().isEmpty()) {
QMessageBox::information(this, "Error", "Please select/enter an ESSID.", QMessageBox::Ok);
return;
}
if (specifyAp->isChecked() && macEdit->text().isEmpty()) {
QMessageBox::information(this, "Error", "Please enter the MAC address of the Access Point.", QMessageBox::Ok);
return;
}
// Try to save the interfaces settings.
writeOpts();
// Close out the dialog
// FIXME: QDialog::accept();
}
void WLANImp::writeOpts() {
// eh can't really do anything about it other then return. :-D
if(!interfaces->isInterfaceSet()){
QMessageBox::warning(0,"Inface not set","should not happen!!!");
return;
}
bool error = false;
qDebug("setting wlan interface %s", interfaces->getInterfaceName( error ).latin1() );
if (error) QMessageBox::warning(0,"Inface not set","should not happen!!!");
interfaces->setInterfaceOption(QString("wireless_mode"), mode->currentText());
interfaces->setInterfaceOption(QString("wireless_essid"), essid->currentText());
if (specifyAp->isChecked()) {
interfaces->setInterfaceOption(QString("wireless_ap"), macEdit->text());
} else {
interfaces->removeInterfaceOption(QString("wireless_ap"));
}
if (specifyChan->isChecked()) {
interfaces->setInterfaceOption(QString("wireless_channel"), networkChannel->text());
} else {
interfaces->removeInterfaceOption(QString("wireless_channel"));
}
if (wepEnabled->isChecked()) {
QStringList keyList;
if (! keyLineEdit0->text().isNull()) {
keyList += keyLineEdit0->text();
keyList += "[1]";
} //else
if (! keyLineEdit1->text().isNull()) {
keyList += keyLineEdit1->text();
keyList += "[2]";
} //else
if (! keyLineEdit2->text().isNull()) {
keyList += keyLineEdit2->text();
keyList += "[3]";
} //else
if (! keyLineEdit3->text().isNull()) {
keyList += keyLineEdit3->text();
keyList += "[4]";
}
if (acceptNonEnc->isChecked()) {
keyList += "open";
} else {
keyList += "restricted";
}
keyList += "key";
if (keyRadio0->isChecked()) {
keyList += "[1]";
} else if (keyRadio1->isChecked()) {
keyList += "[2]";
} else if (keyRadio2->isChecked()) {
keyList += "[3]";
} else if (keyRadio3->isChecked()) {
keyList += "[4]";
}
interfaces->setInterfaceOption(QString("wireless_key"), keyList.join(QString(" ")));
} else {
interfaces->removeInterfaceOption(QString("wireless_key"));
}
interfaces->removeInterfaceOption(QString("wireless_enc"));
if(!interfaceSetup->saveChanges())
return;
QDialog::accept();
}
/*
* Scan for possible wireless networks around...
* ... powered by Wellenreiter II technology (C) Michael 'Mickey' Lauer <mickeyl@handhelds.org>
*/
void WLANImp::rescanNeighbourhood()
{
QString name = interface->getInterfaceName();
qDebug( "rescanNeighbourhood via '%s'", (const char*) name );
OWirelessNetworkInterface* wiface = static_cast<OWirelessNetworkInterface*>( ONetwork::instance()->interface( name ) );
assert( wiface );
// try to guess device type
QString devicetype;
QFile m( "/proc/modules" );
if ( m.open( IO_ReadOnly ) )
{
QString line;
QTextStream modules( &m );
while( !modules.atEnd() && !devicetype )
{
modules >> line;
if ( line.contains( "cisco" ) ) devicetype = "cisco";
else if ( line.contains( "hostap" ) ) devicetype = "hostap";
else if ( line.contains( "prism" ) ) devicetype = "wlan-ng"; /* puke */
else if ( line.contains( "orinoco" ) ) devicetype = "orinoco";
}
}
if ( devicetype.isEmpty() )
{
qWarning( "rescanNeighbourhood(): couldn't guess device type :(" );
return;
}
else
{
qDebug( "rescanNeighbourhood(): device type seems to be '%s'", (const char*) devicetype );
}
// configure interface to receive 802.11 management frames
wiface->setUp( true );
wiface->setPromiscuousMode( true );
if ( devicetype == "cisco" ) wiface->setMonitoring( new OCiscoMonitoringInterface( wiface, false ) );
else if ( devicetype == "hostap" ) wiface->setMonitoring( new OHostAPMonitoringInterface( wiface, false ) );
else if ( devicetype == "wlan-ng" ) wiface->setMonitoring( new OWlanNGMonitoringInterface( wiface, false ) );
else if ( devicetype == "orinoco" ) wiface->setMonitoring( new OOrinocoMonitoringInterface( wiface, false ) );
else
{
qDebug( "rescanNeighbourhood(): unsupported device type for monitoring :(" );
return;
}
wiface->setMonitorMode( true );
if ( !wiface->monitorMode() )
{
qWarning( "rescanNeighbourhood(): Unable to bring device into monitor mode (%s).", strerror( errno ) );
return;
}
// open a packet capturer
OPacketCapturer* cap = new OPacketCapturer();
cap->open( name );
if ( !cap->isOpen() )
{
qWarning( "rescanNeighbourhood(): Unable to open libpcap (%s).", strerror( errno ) );
return;
}
// display splash screen
QFrame* splash = new QFrame( this, "splash", false, WStyle_StaysOnTop | WStyle_DialogBorder | WStyle_Customize );
splash->setLineWidth( 2 );
splash->setFrameStyle( QFrame::Panel | QFrame::Raised );
QVBoxLayout* vbox = new QVBoxLayout( splash, 4, 4 );
QLabel* lab = new QLabel( "<center><b>Scanning...</b><br>Please Wait...</center>", splash );
QProgressBar* pb = new QProgressBar( wiface->channels(), splash );
vbox->addWidget( lab );
vbox->addWidget( pb );
pb->setCenterIndicator( true );
pb->setFixedHeight( pb->sizeHint().height() );
QWidget* widgetDesktop = qApp->desktop();
int dw = widgetDesktop->width();
int dh = widgetDesktop->height();
int pw = vbox->sizeHint().width();
int ph = vbox->sizeHint().height();
splash->setGeometry((dw-pw)/2,(dh-ph)/2,pw,ph);
splash->show();
splash->raise();
qApp->processEvents();
// set capturer to non-blocking mode
cap->setBlocking( false );
for ( int i = 1; i <= wiface->channels(); ++i )
{
wiface->setChannel( i );
pb->setProgress( i );
qApp->processEvents();
qDebug( "rescanNeighbourhood(): listening on channel %d...", i );
OPacket* p = cap->next( 1000 );
if ( !p )
{
qDebug( "rescanNeighbourhood(): nothing received on channel %d", i );
}
else
{
qDebug( "rescanNeighbourhood(): TADAA - something came in on channel %d", i );
handlePacket( p );
}
}
cap->close();
wiface->setMonitorMode( false );
wiface->setPromiscuousMode( true );
splash->hide();
delete splash;
}
void WLANImp::handlePacket( OPacket* p )
{
// check if we received a beacon frame
OWaveLanManagementPacket* beacon = static_cast<OWaveLanManagementPacket*>( p->child( "802.11 Management" ) );
if ( beacon && beacon->managementType() == "Beacon" )
{
QString type;
if ( beacon->canIBSS() )
{
type = "adhoc";
}
else if ( beacon->canESS() )
{
type = "managed";
}
else
{
qWarning( "handlePacket(): invalid frame [possibly noise] detected!" );
return;
}
OWaveLanManagementSSID* ssid = static_cast<OWaveLanManagementSSID*>( p->child( "802.11 SSID" ) );
QString essid = ssid ? ssid->ID() : QString("<unknown>");
OWaveLanManagementDS* ds = static_cast<OWaveLanManagementDS*>( p->child( "802.11 DS" ) );
int channel = ds ? ds->channel() : -1;
OWaveLanPacket* header = static_cast<OWaveLanPacket*>( p->child( "802.11" ) );
displayFoundNetwork( type, channel, essid, header->macAddress2() );
}
}
void WLANImp::displayFoundNetwork( const QString& mode, int channel, const QString& ssid, const OMacAddress& mac )
{
qDebug( "found network: <%s>, chn %d, ssid '%s', mac '%s'", (const char*) mode, channel,
(const char*) ssid,
(const char*) mac.toString() );
QListViewItemIterator it( netView );
while ( it.current() && it.current()->text( col_ssid ) != ssid ) ++it;
if ( !it.current() ) // ssid didn't show up yet
{
QListViewItem* item = new QListViewItem( netView, mode.left( 1 ).upper(), ssid, QString::number( channel ), mac.toString() );
QString name;
name.sprintf( "networksettings/%s", (const char*) mode );
item->setPixmap( col_mode, Resource::loadPixmap( name ) );
qApp->processEvents();
}
}
void WLANImp::selectNetwork( QListViewItem* item )
{
bool ok;
if ( item )
{
specifyAp->setChecked(true);
macEdit->setText( item->text( col_mac ) );
specifyChan->setChecked( item->text( col_mode ) == "A" );
networkChannel->setValue( item->text( col_chn ).toInt( &ok ) );
essid->setEditText( item->text( col_ssid ) );
if ( item->text( col_mode ) == "A" )
mode->setCurrentItem( 3 );
else
mode->setCurrentItem( 2 );
}
}
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