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authormickeyl <mickeyl>2003-10-03 13:44:35 (UTC)
committer mickeyl <mickeyl>2003-10-03 13:44:35 (UTC)
commit120b0fe68c1352ba03ad6e73d26bcbe8452ef6ed (patch) (side-by-side diff)
tree253c82439683b8fc2352de0859c92671568fdaff
parent9450f41ce6109fb9d22fca7b1c72c606fd37f5a7 (diff)
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fix a few SIGSEGVs related to not checking the value of iface, if we
are capturing from a file (DEVTYPE_FILE)
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--noncore/net/wellenreiter/gui/wellenreiter.cpp18
1 files changed, 10 insertions, 8 deletions
diff --git a/noncore/net/wellenreiter/gui/wellenreiter.cpp b/noncore/net/wellenreiter/gui/wellenreiter.cpp
index 14f251a..405eda8 100644
--- a/noncore/net/wellenreiter/gui/wellenreiter.cpp
+++ b/noncore/net/wellenreiter/gui/wellenreiter.cpp
@@ -292,263 +292,265 @@ void Wellenreiter::receivePacket( OPacket* p )
// check if we received a beacon frame
OWaveLanManagementPacket* beacon = static_cast<OWaveLanManagementPacket*>( childIfToParse( p, "802.11 Management" ) );
if ( beacon && beacon->managementType() == "Beacon" )
{
handleBeacon( p, beacon );
return;
}
//TODO: WEP check here
// check for a data frame
OWaveLanDataPacket* data = static_cast<OWaveLanDataPacket*>( childIfToParse( p, "802.11 Data" ) );
if ( data )
{
handleData( p, data );
}
handleNotification( p );
}
void Wellenreiter::stopClicked()
{
if ( iface )
{
disconnect( SIGNAL( receivedPacket(OPacket*) ), this, SLOT( receivePacket(OPacket*) ) );
disconnect( SIGNAL( hopped(int) ), this, SLOT( channelHopped(int) ) );
iface->setChannelHopping(); // stop hopping channels
}
else
killTimers();
pcap->close();
sniffing = false;
if ( iface )
{
// switch off monitor mode
iface->setMonitorMode( false );
// switch off promisc flag
iface->setPromiscuousMode( false );
system( "cardctl reset; sleep 1" ); //FIXME: Use OProcess
}
logwindow->log( "(i) Stopped Scanning." );
assert( parent() );
( (QMainWindow*) parent() )->setCaption( "Wellenreiter II" );
// message the user
QMessageBox::information( this, "Wellenreiter II",
tr( "Your wireless card\nshould now be usable again." ) );
sniffing = false;
emit( stoppedSniffing() );
#ifdef QWS
if ( WellenreiterConfigWindow::instance()->disablePM->isChecked() )
{
QCopEnvelope( "QPE/System", "setScreenSaverMode(int)" ) << QPEApplication::Enable;
}
#else
#warning FIXME: setScreenSaverMode is not operational on the X11 build
#endif
// print out statistics
for( QMap<QString,int>::ConstIterator it = pcap->statistics().begin(); it != pcap->statistics().end(); ++it )
statwindow->updateCounter( it.key(), it.data() );
}
void Wellenreiter::startClicked()
{
// get configuration from config window
const QString& interface = configwindow->interfaceName->currentText();
const int cardtype = configwindow->driverType();
const int interval = configwindow->hoppingInterval();
if ( ( interface == "" ) || ( cardtype == 0 ) )
{
QMessageBox::information( this, "Wellenreiter II",
tr( "Your device is not\nproperly configured. Please reconfigure!" ) );
return;
}
// configure device
ONetwork* net = ONetwork::instance();
// TODO: check if interface is wireless and support sniffing for non-wireless interfaces
iface = static_cast<OWirelessNetworkInterface*>(net->interface( interface )); // fails if network is not wireless!
// bring device UP
- iface->setUp( true );
- if ( !iface->isUp() )
+ if ( cardtype != DEVTYPE_FILE )
{
- QMessageBox::warning( this, "Wellenreiter II",
- tr( "Can't bring interface '%1' up:\n" ).arg( iface->name() ) + strerror( errno ) );
- return;
+ iface->setUp( true );
+ if ( !iface->isUp() )
+ {
+ QMessageBox::warning( this, "Wellenreiter II",
+ tr( "Can't bring interface '%1' up:\n" ).arg( iface->name() ) + strerror( errno ) );
+ return;
+ }
}
-
// set monitor mode
bool usePrism = configwindow->usePrismHeader();
switch ( cardtype )
{
case DEVTYPE_CISCO: iface->setMonitoring( new OCiscoMonitoringInterface( iface, usePrism ) ); break;
case DEVTYPE_WLAN_NG: iface->setMonitoring( new OWlanNGMonitoringInterface( iface, usePrism ) ); break;
case DEVTYPE_HOSTAP: iface->setMonitoring( new OHostAPMonitoringInterface( iface, usePrism ) ); break;
case DEVTYPE_ORINOCO: iface->setMonitoring( new OOrinocoMonitoringInterface( iface, usePrism ) ); break;
case DEVTYPE_MANUAL: QMessageBox::information( this, "Wellenreiter II", tr( "Bring your device into\nmonitor mode now." ) ); break;
case DEVTYPE_FILE: qDebug( "Wellenreiter: Capturing from file '%s'", (const char*) interface ); break;
default: assert( 0 ); // shouldn't reach this
}
// switch device into monitor mode
if ( cardtype < DEVTYPE_FILE )
{
if ( cardtype != DEVTYPE_MANUAL )
iface->setMonitorMode( true );
if ( !iface->monitorMode() )
{
if ( QMessageBox::warning( this, "Wellenreiter II",
tr( "Can't set interface '%1'\ninto monitor mode:\n" ).arg( iface->name() ) + strerror( errno ) +
tr( "\nContinue with limited functionality?" ), QMessageBox::Yes, QMessageBox::No ) == QMessageBox::No )
return;
}
}
// open GPS device
if ( configwindow->enableGPS->isChecked() )
{
qDebug( "Wellenreiter:GPS enabled @ %s:%d", (const char*) configwindow->gpsdHost->currentText(), configwindow->gpsdPort->value() );
gps->open( configwindow->gpsdHost->currentText(), configwindow->gpsdPort->value() );
}
// open pcap and start sniffing
if ( cardtype != DEVTYPE_FILE )
{
pcap->open( interface );
if ( configwindow->writeCaptureFile->isChecked() )
{
QString dumpname( configwindow->captureFileName->text() );
if ( dumpname.isEmpty() ) dumpname = "captureFile";
dumpname.append( '-' );
dumpname.append( QTime::currentTime().toString().replace( QRegExp( ":" ), "-" ) );
dumpname.append( ".wellenreiter" );
pcap->openDumpFile( dumpname );
}
else
{
pcap->open( interface );
}
}
else
{
pcap->open( QFile( interface ) );
}
if ( !pcap->isOpen() )
{
- QMessageBox::warning( this, "Wellenreiter II",
- tr( "Can't open packet capturer for '%1':\n" ).arg( iface->name() ) + QString(strerror( errno ) ));
+ QMessageBox::warning( this, "Wellenreiter II", tr( "Can't open packet capturer for\n'%1':\n" ).arg(
+ cardtype == DEVTYPE_FILE ? (const char*) interface : iface->name() ) + QString(strerror( errno ) ));
return;
}
// set capturer to non-blocking mode
pcap->setBlocking( false );
// start channel hopper
if ( cardtype != DEVTYPE_FILE )
{
logwindow->log( QString().sprintf( "(i) Starting channel hopper (d=%d ms)", configwindow->hopInterval->value() ) );
iface->setChannelHopping( configwindow->hopInterval->value() ); //use interval from config window
}
if ( cardtype != DEVTYPE_FILE )
{
// connect socket notifier and start channel hopper
connect( pcap, SIGNAL( receivedPacket(OPacket*) ), this, SLOT( receivePacket(OPacket*) ) );
connect( iface->channelHopper(), SIGNAL( hopped(int) ), this, SLOT( channelHopped(int) ) );
}
else
{
// start timer for reading packets
startTimer( 100 );
}
logwindow->log( "(i) Started Scanning." );
sniffing = true;
#ifdef QWS
if ( WellenreiterConfigWindow::instance()->disablePM->isChecked() )
{
QCopEnvelope( "QPE/System", "setScreenSaverMode(int)" ) << QPEApplication::Disable;
}
#else
#warning FIXME: setScreenSaverMode is not operational on the X11 build
#endif
emit( startedSniffing() );
if ( cardtype != DEVTYPE_FILE ) channelHopped( 6 ); // set title
else
{
assert( parent() );
( (QMainWindow*) parent() )->setCaption( tr( "Wellenreiter II - replaying capture file..." ) );
}
}
void Wellenreiter::timerEvent( QTimerEvent* )
{
qDebug( "Wellenreiter::timerEvent()" );
OPacket* p = pcap->next();
if ( !p ) // no more packets available
{
stopClicked();
}
else
{
receivePacket( p );
delete p;
}
}
void Wellenreiter::doAction( const QString& action, const QString& protocol, OPacket* p )
{
#ifdef QWS
if ( action == "TouchSound" )
ODevice::inst()->touchSound();
else if ( action == "AlarmSound" )
ODevice::inst()->alarmSound();
else if ( action == "KeySound" )
ODevice::inst()->keySound();
else if ( action == "LedOn" )
ODevice::inst()->setLedState( Led_Mail, Led_On );
else if ( action == "LedOff" )
ODevice::inst()->setLedState( Led_Mail, Led_Off );
else if ( action == "LogMessage" )
logwindow->log( QString().sprintf( "Got packet with protocol '%s'", (const char*) protocol ) );
else if ( action == "MessageBox" )
QMessageBox::information( this, "Notification!",
QString().sprintf( "Got packet with protocol '%s'", (const char*) protocol ) );
#else
#warning Actions do not work with Qt/X11 yet
#endif
}
void Wellenreiter::joinNetwork(const QString& type, const QString& essid, int channel, const QString& macaddr)
{
#ifdef QWS
if ( !iface )
{
QMessageBox::warning( this, tr( "Can't do that!" ), tr( "No wireless\ninterface available." ) );
return;
}
if ( sniffing )