Diffstat (limited to 'noncore/net/wellenreiter/gui') (more/less context) (ignore whitespace changes)
-rw-r--r-- | noncore/net/wellenreiter/gui/wellenreiter.cpp | 48 | ||||
-rw-r--r-- | noncore/net/wellenreiter/gui/wellenreiter.h | 5 |
2 files changed, 51 insertions, 2 deletions
diff --git a/noncore/net/wellenreiter/gui/wellenreiter.cpp b/noncore/net/wellenreiter/gui/wellenreiter.cpp index 40cd105..12b3978 100644 --- a/noncore/net/wellenreiter/gui/wellenreiter.cpp +++ b/noncore/net/wellenreiter/gui/wellenreiter.cpp @@ -49,24 +49,27 @@ using namespace Opie::Ui; #include <qspinbox.h> #include <qtimer.h> #include <qtoolbutton.h> #include <qmainwindow.h> /* STD */ #include <assert.h> #include <errno.h> #include <unistd.h> #include <string.h> #include <sys/types.h> #include <stdlib.h> +#include <signal.h> + +Wellenreiter* Wellenreiter::instance = 0; Wellenreiter::Wellenreiter( QWidget* parent ) : WellenreiterBase( parent, 0, 0 ), sniffing( false ), iface( 0 ), configwindow( 0 ) { logwindow->log( "(i) Wellenreiter has been started." ); // // detect operating system // @@ -78,40 +81,71 @@ Wellenreiter::Wellenreiter( QWidget* parent ) #endif netview->setColumnWidthMode( 1, QListView::Manual ); connect( netview, SIGNAL( joinNetwork(const QString&,const QString&,int,const QString&) ), this, SLOT( joinNetwork(const QString&,const QString&,int,const QString&) ) ); pcap = new OPacketCapturer(); pcap->setAutoDelete( false ); gps = new GPS( this ); QTimer::singleShot( 1000, this, SLOT( initialTimer() ) ); + registerSignalHandler(); } Wellenreiter::~Wellenreiter() { delete pcap; + //unregisterSignalHandler(); } void Wellenreiter::initialTimer() { - odebug << "Wellenreiter::preloading manufacturer database..." << oendl; + odebug << "preloading manufacturer database..." << oendl; OManufacturerDB::instance(); } +void Wellenreiter::signalHandler( int sig ) +{ + oerr << "Aye! Received SIGSEGV or SIGBUS! Trying to exit gracefully..." << oendl; + if ( Wellenreiter::instance->sniffing ) + { + Wellenreiter::instance->pcap->close(); + Wellenreiter::instance->stopClicked(); + } + oerr << "Phew. Seemed to work." << oendl; + ::exit( -1 ); +} + + +void Wellenreiter::registerSignalHandler() +{ + Wellenreiter::instance = this; + struct sigaction action; + + action.sa_handler = Wellenreiter::signalHandler; + if (sigemptyset(&action.sa_mask)) + oerr << "sigemptyset() failure:" << strerror( errno ) << oendl; + if (sigaction(SIGSEGV, &action, NULL)) + oerr << "can't set up a signal handler for SIGSEGV:" << strerror( errno ) << oendl; + if (sigaction(SIGBUS, &action, NULL)) + oerr << "can't set up a signal handler for SIGBUS:" << strerror( errno ) << oendl; + odebug << "signal handlers setup." << oendl; +} + + void Wellenreiter::setConfigWindow( WellenreiterConfigWindow* cw ) { configwindow = cw; } void Wellenreiter::channelHopped(int c) { QString title = "Wellenreiter II -scan- ["; QString left; if ( c > 1 ) left.fill( '.', c-1 ); title.append( left ); @@ -493,25 +527,25 @@ void Wellenreiter::stopClicked() 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!" ) ); + tr( "No device configured.\nPlease reconfigure!" ) ); return; } // configure device ONetwork* net = ONetwork::instance(); // TODO: check if interface is wireless and support sniffing for non-wireless interfaces if ( cardtype != DEVTYPE_FILE ) { if ( !net->isPresent( interface ) ) @@ -523,24 +557,34 @@ void Wellenreiter::startClicked() iface = static_cast<OWirelessNetworkInterface*>(net->interface( interface )); // fails if network is not wireless! assert( iface ); // bring device UP 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; } + + // check if wireless extension version matches + if ( ONetwork::wirelessExtensionCompileVersion() != iface->wirelessExtensionDriverVersion() ) + { + QMessageBox::critical( this, "Wellenreiter II", tr( "<p>The Wireless Extension Versions<br>are not matching!<p>" + " Wellenreiter II : WE V%1<br>Interface driver: WE V%2" ) + .arg( QString::number( ONetwork::wirelessExtensionCompileVersion() ) ) + .arg( QString::number( iface->wirelessExtensionDriverVersion() ) ) ); + 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: odebug << "Wellenreiter: Capturing from file '" << interface << "'" << oendl; break; diff --git a/noncore/net/wellenreiter/gui/wellenreiter.h b/noncore/net/wellenreiter/gui/wellenreiter.h index f609ef4..32e5690 100644 --- a/noncore/net/wellenreiter/gui/wellenreiter.h +++ b/noncore/net/wellenreiter/gui/wellenreiter.h @@ -11,24 +11,26 @@ ** **********************************************************************/ #ifndef WELLENREITER_H #define WELLENREITER_H #include "wellenreiterbase.h" #ifdef QWS #include <opie2/odevice.h> #endif +#include <signal.h> + class QTimerEvent; class QPixmap; namespace Opie {namespace Net {class OPacket;}} namespace Opie {namespace Net {class OWaveLanManagementPacket;}} namespace Opie {namespace Net {class OWaveLanControlPacket;}} namespace Opie {namespace Net {class OWaveLanDataPacket;}} namespace Opie {namespace Net {class OEthernetPacket;}} namespace Opie {namespace Net {class OARPPacket;}} namespace Opie {namespace Net {class OMacAddress;}} namespace Opie {namespace Net {class OIPPacket;}} namespace Opie {namespace Net {class OPacket;}} namespace Opie {namespace Net {class OWirelessNetworkInterface;}} @@ -45,24 +47,26 @@ class Wellenreiter : public WellenreiterBase { Wellenreiter( QWidget* parent = 0 ); ~Wellenreiter(); void setConfigWindow( WellenreiterConfigWindow* cw ); MScanListView* netView() const { return netview; }; MLogWindow* logWindow() const { return logwindow; }; PacketView* hexWindow() const { return hexwindow; }; bool isDaemonRunning() const { return sniffing; }; QString captureFileName() const { return dumpname; }; public: bool sniffing; + static Wellenreiter* instance; + static void signalHandler( int sig ); protected: virtual void timerEvent( QTimerEvent* ); public slots: void initialTimer(); void channelHopped(int); void receivePacket(Opie::Net::OPacket*); void startClicked(); void stopClicked(); @@ -77,24 +81,25 @@ class Wellenreiter : public WellenreiterBase { void handleManagementFrameBeacon( Opie::Net::OPacket* p, Opie::Net::OWaveLanManagementPacket* ); void handleManagementFrameProbeRequest( Opie::Net::OPacket* p, Opie::Net::OWaveLanManagementPacket* ); void handleManagementFrameProbeResponse( Opie::Net::OPacket* p, Opie::Net::OWaveLanManagementPacket* ); void handleControlFrame( Opie::Net::OPacket* p, Opie::Net::OWaveLanControlPacket* control ); void handleWlanData( Opie::Net::OPacket* p, Opie::Net::OWaveLanDataPacket* data, Opie::Net::OMacAddress& from, Opie::Net::OMacAddress& to ); void handleEthernetData( Opie::Net::OPacket* p, Opie::Net::OEthernetPacket* data, Opie::Net::OMacAddress& from, Opie::Net::OMacAddress& to ); void handleARPData( Opie::Net::OPacket* p, Opie::Net::OARPPacket* arp, Opie::Net::OMacAddress& from, Opie::Net::OMacAddress& to ); void handleIPData( Opie::Net::OPacket* p, Opie::Net::OIPPacket* ip, Opie::Net::OMacAddress& from, Opie::Net::OMacAddress& to ); void handleNotification( Opie::Net::OPacket* p ); void doAction( const QString& action, const QString& protocol, Opie::Net::OPacket* p ); QObject* childIfToParse( Opie::Net::OPacket* p, const QString& protocol ); bool checkDumpPacket( Opie::Net::OPacket* p ); + void registerSignalHandler(); private: #ifdef QWS Opie::Core::OSystem _system; // Opie Operating System identifier #endif QString dumpname; Opie::Net::OWirelessNetworkInterface* iface; Opie::Net::OPacketCapturer* pcap; WellenreiterConfigWindow* configwindow; GPS* gps; |