Diffstat (limited to 'noncore/settings/networksettings/wlan/wlanimp2.cpp') (more/less context) (show whitespace changes)
| -rw-r--r-- | noncore/settings/networksettings/wlan/wlanimp2.cpp | 216 |
1 files changed, 215 insertions, 1 deletions
diff --git a/noncore/settings/networksettings/wlan/wlanimp2.cpp b/noncore/settings/networksettings/wlan/wlanimp2.cpp index 26e3aa9..7ce096f 100644 --- a/noncore/settings/networksettings/wlan/wlanimp2.cpp +++ b/noncore/settings/networksettings/wlan/wlanimp2.cpp @@ -2,27 +2,42 @@ #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/netwrok/if-pre-up.d/wireless-tools" +#define PREUP "/etc/network/if-pre-up.d/wireless-tools" /** * Constructor, read in the wireless.opts file for parsing later. @@ -37,6 +52,13 @@ WLANImp::WLANImp( QWidget* parent, const char* name, Interface *i, bool modal, W 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() { @@ -274,3 +296,195 @@ void WLANImp::writeOpts() { 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 ); + } +} |