add signal hopped(int) to OChannelHopper

2 files changed, 16 insertions, 0 deletions

diff --git a/libopie2/opienet/onetwork.cpp b/libopie2/opienet/onetwork.cpp
index e916c44..73b543b 100644
--- a/libopie2/opienet/onetwork.cpp
+++ b/libopie2/opienet/onetwork.cpp
@@ -256,192 +256,193 @@ int ONetworkInterface::dataLinkType() const
         return -1;
     }
 }
 
 
 void ONetworkInterface::setMonitoring( OMonitoringInterface* m )
 {
     _mon = m;
     qDebug( "ONetwork::setMonitoring(): Installed monitoring driver '%s' on interface '%s'", (const char*) m->name(), name() );
 }
 
 
 OMonitoringInterface* ONetworkInterface::monitoring() const
 {
     return _mon;
 }
 
 
 ONetworkInterface::~ONetworkInterface()
 {
     qDebug( "ONetworkInterface::~ONetworkInterface()" );
     if ( _sfd != -1 ) ::close( _sfd );
 }
 
 
 bool ONetworkInterface::setPromiscuousMode( bool b )
 {
     ioctl( SIOCGIFFLAGS );
     if ( b ) _ifr.ifr_flags |= IFF_PROMISC;
     else   _ifr.ifr_flags &= (~IFF_PROMISC);
     return ioctl( SIOCSIFFLAGS );
 }
 
 
 bool ONetworkInterface::promiscuousMode() const
 {
     ioctl( SIOCGIFFLAGS );
     return _ifr.ifr_flags & IFF_PROMISC;
 }
 
 
 bool ONetworkInterface::isWireless() const
 {
     return ioctl( SIOCGIWNAME );
 }
 
 
 /*======================================================================================
  * OChannelHopper
  *======================================================================================*/
 
 OChannelHopper::OChannelHopper( OWirelessNetworkInterface* iface )
                :QObject( 0, "Mickey's funky hopper" ),
                _iface( iface ), _interval( 0 ), _tid( 0 )
 {
     int _maxChannel = iface->channels()+1;
     // generate fancy hopping sequence honoring the device capabilities
     if ( _maxChannel >=  1 ) _channels.append(  1 );
     if ( _maxChannel >=  7 ) _channels.append(  7 );
     if ( _maxChannel >= 13 ) _channels.append( 13 );
     if ( _maxChannel >=  2 ) _channels.append(  2 );
     if ( _maxChannel >=  8 ) _channels.append(  8 );
     if ( _maxChannel >=  3 ) _channels.append(  3 );
     if ( _maxChannel >= 14 ) _channels.append( 14 );
     if ( _maxChannel >=  9 ) _channels.append(  9 );
     if ( _maxChannel >=  4 ) _channels.append(  4 );
     if ( _maxChannel >= 10 ) _channels.append( 10 );
     if ( _maxChannel >=  5 ) _channels.append(  5 );
     if ( _maxChannel >= 11 ) _channels.append( 11 );
     if ( _maxChannel >=  6 ) _channels.append(  6 );
     if ( _maxChannel >= 12 ) _channels.append( 12 );
     _channel = _channels.begin();
 
 }
 
 
 OChannelHopper::~OChannelHopper()
 {
 }
 
 
 bool OChannelHopper::isActive() const
 {
     return _tid;
 }
 
 
 int OChannelHopper::channel() const
 {
     return *_channel;
 }
 
 
 void OChannelHopper::timerEvent( QTimerEvent* )
 {
     _iface->setChannel( *_channel );
+    emit( hopped( *_channel ) );
     qDebug( "OChannelHopper::timerEvent(): set channel %d on interface '%s'",
             *_channel, (const char*) _iface->name() );
     if ( ++_channel == _channels.end() ) _channel = _channels.begin();
 }
 
 
 void OChannelHopper::setInterval( int interval )
 {
     if ( interval == _interval )
         return;
 
     if ( _interval )
         killTimer( _tid );
 
     _tid = 0;
     _interval = interval;
 
     if ( _interval )
     {
         _tid = startTimer( interval );
     }
 }
 
 
 int OChannelHopper::interval() const
 {
     return _interval;
 }
 
 
 /*======================================================================================
  * OWirelessNetworkInterface
  *======================================================================================*/
 
 OWirelessNetworkInterface::OWirelessNetworkInterface( QObject* parent, const char* name )
                          :ONetworkInterface( parent, name ), _hopper( 0 )
 {
     qDebug( "OWirelessNetworkInterface::OWirelessNetworkInterface()" );
     init();
 }
 
 
 OWirelessNetworkInterface::~OWirelessNetworkInterface()
 {
 }
 
 
 struct iwreq& OWirelessNetworkInterface::iwr() const
 {
     return _iwr;
 }
 
 
 void OWirelessNetworkInterface::init()
 {
     qDebug( "OWirelessNetworkInterface::init()" );
     memset( &_iwr, 0, sizeof( struct iwreq ) );
     buildChannelList();
     buildPrivateList();
 }
 
 
 QString OWirelessNetworkInterface::associatedAP() const
 {
     //FIXME: use OMacAddress
     QString mac;
 
     if ( ioctl( SIOCGIWAP ) )
     {
         mac.sprintf( "%.2X:%.2X:%.2X:%.2X:%.2X:%.2X",
         _ifr.ifr_hwaddr.sa_data[0]&0xff,
         _ifr.ifr_hwaddr.sa_data[1]&0xff,
         _ifr.ifr_hwaddr.sa_data[2]&0xff,
         _ifr.ifr_hwaddr.sa_data[3]&0xff,
         _ifr.ifr_hwaddr.sa_data[4]&0xff,
         _ifr.ifr_hwaddr.sa_data[5]&0xff );
     }
     else
     {
         mac = "<Unknown>";
     }
     return mac;
 }
 
 
 void OWirelessNetworkInterface::buildChannelList()
 {
     //ML: If you listen carefully enough, you can hear lots of WLAN drivers suck
     //ML: The HostAP drivers need more than sizeof struct_iw range to complete
     //ML: SIOCGIWRANGE otherwise they fail with "Invalid Argument Length".
     //ML: The Wlan-NG drivers on the otherside fail (segfault!) if you allocate
     //ML: _too much_ space. This is damn shitty crap *sigh*
     //ML: We allocate a large memory region in RAM and check whether the
     //ML: driver pollutes this extra space. The complaint will be made on stdout,
     //ML: so please forward this...
 
@@ -500,192 +501,198 @@ void OWirelessNetworkInterface::buildChannelList()
 }
 
 
 void OWirelessNetworkInterface::buildPrivateList()
 {
     qDebug( "OWirelessNetworkInterface::buildPrivateList()" );
 
     struct iw_priv_args priv[IW_MAX_PRIV_DEF];
 
     _iwr.u.data.pointer = (char*) &priv;
     _iwr.u.data.length = IW_MAX_PRIV_DEF; // length in terms of number of (sizeof iw_priv_args), not (sizeof iw_priv_args) itself
     _iwr.u.data.flags = 0;
 
     if ( !wioctl( SIOCGIWPRIV ) )
     {
         qDebug( "OWirelessNetworkInterface::buildPrivateList(): SIOCGIWPRIV failed (%s) - can't get private ioctl information.", strerror( errno ) );
         return;
     }
 
     for ( int i = 0; i < _iwr.u.data.length; ++i )
     {
         new OPrivateIOCTL( this, priv[i].name, priv[i].cmd, priv[i].get_args, priv[i].set_args );
     }
     qDebug( "OWirelessNetworkInterface::buildPrivateList(): Private IOCTL list constructed." );
 }
 
 
 int OWirelessNetworkInterface::channel() const
 {
     //FIXME: When monitoring enabled, then use it
     //FIXME: to gather the current RF channel
     //FIXME: Until then, get active channel from hopper.
     if ( _hopper && _hopper->isActive() )
         return _hopper->channel();
 
     if ( !wioctl( SIOCGIWFREQ ) )
     {
         return -1;
     }
     else
     {
         return _channels[ static_cast<int>(double( _iwr.u.freq.m ) * pow( 10.0, _iwr.u.freq.e ) / 1000000) ];
     }
 }
 
 
 void OWirelessNetworkInterface::setChannel( int c ) const
 {
     if ( !_mon )
     {
         memset( &_iwr, 0, sizeof( struct iwreq ) );
         _iwr.u.freq.m = c;
         _iwr.u.freq.e = 0;
         wioctl( SIOCSIWFREQ );
     }
     else
     {
         _mon->setChannel( c );
     }
 }
 
 
 double OWirelessNetworkInterface::frequency() const
 {
     if ( !wioctl( SIOCGIWFREQ ) )
     {
         return -1.0;
     }
     else
     {
         return double( _iwr.u.freq.m ) * pow( 10.0, _iwr.u.freq.e ) / 1000000000.0;
     }
 }
 
 
 int OWirelessNetworkInterface::channels() const
 {
     return _channels.count();
 }
 
 
 void OWirelessNetworkInterface::setChannelHopping( int interval )
 {
     if ( !_hopper ) _hopper = new OChannelHopper( this );
     _hopper->setInterval( interval );
     //FIXME: When and by whom will the channel hopper be deleted?
     //TODO: rely on QObject hierarchy
 }
 
 
 int OWirelessNetworkInterface::channelHopping() const
 {
     return _hopper->interval();
 }
 
 
+OChannelHopper* OWirelessNetworkInterface::channelHopper() const
+{
+    return _hopper;
+}
+
+
 void OWirelessNetworkInterface::setMonitorMode( bool b )
 {
     if ( _mon )
         _mon->setEnabled( b );
     else
         qDebug( "ONetwork(): can't switch monitor mode without installed monitoring interface" );
 }
 
 
 bool OWirelessNetworkInterface::monitorMode() const
 {
     qDebug( "dataLinkType = %d", dataLinkType() );
     return dataLinkType() == ARPHRD_IEEE80211;
 }
 
 
 QString OWirelessNetworkInterface::nickName() const
 {
     char str[IW_ESSID_MAX_SIZE];
     _iwr.u.data.pointer = &str[0];
     _iwr.u.data.length = IW_ESSID_MAX_SIZE;
     if ( !wioctl( SIOCGIWNICKN ) )
     {
         return "<unknown>";
     }
     else
     {
         str[_iwr.u.data.length] = 0x0; // some drivers (e.g. wlan-ng) don't zero-terminate the string
         return str;
     }
 }
 
 
 void OWirelessNetworkInterface::setPrivate( const QString& call, int numargs, ... )
 {
     OPrivateIOCTL* priv = static_cast<OPrivateIOCTL*>( child( (const char*) call ) );
     if ( !priv )
     {
         qDebug( "OWirelessNetworkInterface::setPrivate(): interface '%s' does not support private ioctl '%s'", name(), (const char*) call );
         return;
     }
     if ( priv->numberSetArgs() != numargs )
     {
         qDebug( "OWirelessNetworkInterface::setPrivate(): parameter count not matching. '%s' expects %d arguments, but got %d", (const char*) call, priv->numberSetArgs(), numargs );
         return;
     }
 
     qDebug( "OWirelessNetworkInterface::setPrivate(): about to call '%s' on interface '%s'", (const char*) call, name() );
     memset( &_iwr, 0, sizeof _iwr );
     va_list argp;
     va_start( argp, numargs );
     for ( int i = 0; i < numargs; ++i )
     {
         priv->setParameter( i, va_arg( argp, int ) );
     }
     va_end( argp );
     priv->invoke();
 }
 
 
 void OWirelessNetworkInterface::getPrivate( const QString& call )
 {
     qWarning( "OWirelessNetworkInterface::getPrivate() is not implemented yet." );
 }
 
 
 bool OWirelessNetworkInterface::hasPrivate( const QString& call )
 {
     return child( (const char*) call );
 }
 
 
 QString OWirelessNetworkInterface::SSID() const
 {
     char str[IW_ESSID_MAX_SIZE];
     _iwr.u.essid.pointer = &str[0];
     _iwr.u.essid.length = IW_ESSID_MAX_SIZE;
     if ( !wioctl( SIOCGIWESSID ) )
     {
         return "<unknown>";
     }
     else
     {
         return str;
     }
 }
 
 
 void OWirelessNetworkInterface::setSSID( const QString& ssid )
 {
     _iwr.u.essid.pointer = const_cast<char*>( (const char*) ssid );
     _iwr.u.essid.length = ssid.length();
     wioctl( SIOCSIWESSID );
 }
 
 
diff --git a/libopie2/opienet/onetwork.h b/libopie2/opienet/onetwork.h
index 10f52b8..d2cc25d 100644
--- a/libopie2/opienet/onetwork.h
+++ b/libopie2/opienet/onetwork.h
@@ -134,290 +134,299 @@ class ONetworkInterface : public QObject
     friend class OCiscoMonitoringInterface;
     friend class OWlanNGMonitoringInterface;
     friend class OHostAPMonitoringInterface;
     friend class OOrinocoMonitoringInterface;
 
   public:
     /**
      * Constructor. Normally you don't create @ref ONetworkInterface objects yourself,
      * but access them via @ref ONetwork::interface().
      */
     ONetworkInterface( QObject* parent, const char* name );
     /**
      * Destructor.
      */
     virtual ~ONetworkInterface();
     /**
      * Associates a @a monitoring interface with this network interface.
      * @note This is currently only useful with @ref OWirelessNetworkInterface objects.
      */
     void setMonitoring( OMonitoringInterface* monitoring );
     /**
      * @returns the currently associated monitoring interface or 0, if no monitoring is associated.
      */
     OMonitoringInterface* monitoring() const;
     /**
      * Setting an interface to promiscuous mode enables the device to receive
      * all packets on the shared medium - as opposed to packets which are addressed to this interface.
      */
     bool setPromiscuousMode( bool );
     /**
      * @returns true if the interface is set to promiscuous mode.
      */
     bool promiscuousMode() const;
     /**
      * Setting an interface to up enables it to receive packets.
      */
     bool setUp( bool );
     /**
      * @returns true if the interface is up.
      */
     bool isUp() const;
     /*
      * @returns true if the interface is a loopback interface.
      */
     bool isLoopback() const;
     /*
      * @returns true if the interface is featuring supports the wireless extension protocol.
      */
     bool isWireless() const;
     /*
      * @returns the IPv4 address associated with this interface.
      */
     QString ipV4Address() const;
     /*
      * Associate the MAC address @a addr with the interface.
      * @note It can be necessary to shut down the interface prior to calling this method.
      * @warning This is not supported by all drivers.
      */
     void setMacAddress( const OMacAddress& addr );
     /*
      * @returns the MAC address associated with this interface.
      */
     OMacAddress macAddress() const;
     /*
      * @returns the data link type currently associated with this interface.
      * @see #include <net/if_arp.h> for possible values.
      */
     int dataLinkType() const;
 
   protected:
     const int _sfd;
     mutable ifreq _ifr;
     OMonitoringInterface* _mon;
 
   protected:
     struct ifreq& ifr() const;
     virtual void init();
     bool ioctl( int call ) const;
     bool ioctl( int call, struct ifreq& ) const;
 };
 
 /*======================================================================================
  * OChannelHopper
  *======================================================================================*/
 
 /**
  * @brief A radio frequency channel hopper.
  *
  * This class provides a channel hopper for radio frequencies. A channel hopper frequently
  * changes the radio frequency channel of its associated @ref OWirelessNetworkInterface.
  * This is necessary when in monitoring mode and scanning for other devices, because
  * the radio frequency hardware can only detect packets sent on the same frequency.
  * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
  */
 class OChannelHopper : public QObject
 {
+  Q_OBJECT
+
   public:
     OChannelHopper( OWirelessNetworkInterface* );
     virtual ~OChannelHopper();
     bool isActive() const;
     int channel() const;
     virtual void timerEvent( QTimerEvent* );
     void setInterval( int );
     int interval() const;
 
+  signals:
+    void hopped( int );
+
   private:
     OWirelessNetworkInterface* _iface;
     int _interval;
     int _tid;
     QValueList<int> _channels;
     QValueList<int>::Iterator _channel;
 };
 
 
 /*======================================================================================
  * OWirelessNetworkInterface
  *======================================================================================*/
 
 /**
  * @brief A network interface wrapper for interfaces supporting the wireless extensions protocol.
  *
  * This class provides a high-level encapsulation of the Linux wireless extension API.
  */
 class OWirelessNetworkInterface : public ONetworkInterface
 {
     friend class OMonitoringInterface;
     friend class OCiscoMonitoringInterface;
     friend class OWlanNGMonitoringInterface;
     friend class OHostAPMonitoringInterface;
     friend class OOrinocoMonitoringInterface;
 
     friend class OPrivateIOCTL;
 
   public:
     enum Mode { AdHoc, Managed, Monitor };
 
     /**
      * Constructor.
      */
     OWirelessNetworkInterface( QObject* parent, const char* name );
     /**
      * Destructor.
      */
     virtual ~OWirelessNetworkInterface();
     /**
      * Setting the @a channel of the interface changes the radio frequency (RF)
      * of the corresponding wireless network device.
      */
     virtual void setChannel( int channel ) const;
     /**
      * @returns the channel index of the current radio frequency.
      */
     virtual int channel() const;
     /**
      * @returns the current radio frequency (in MHz).
      */
     virtual double frequency() const;
     /**
      * @returns the number of radio frequency channels for the
      * corresponding wireless network device.
      * @note European devices usually have 14 channels, while American typically feature 11 channels.
      */
     virtual int channels() const;
     //virtual double frequency(int) const;
 
     virtual void setMode( Mode ) {}; //FIXME: Implement and document this
     virtual bool mode() const {}; //FIXME: Implement and document this
 
     /**
      * Setting the monitor mode on a wireless network interface enables
      * listening to IEEE 802.11 data and management frames which normally
      * are handled by the device firmware. This can be used to detect
      * other wireless network devices, e.g. Access Points or Ad-hoc stations.
      * @warning Standard wireless network drives don't support the monitor mode.
      * @warning You need a patched driver for this to work.
      * @note Enabling the monitor mode is highly driver dependent and requires
      * the proper @ref OMonitoringInterface to be associated with the interface.
      * @see OMonitoringInterface
      */
     virtual void setMonitorMode( bool );
     /**
      * @returns true if the device is listening in IEEE 802.11 monitor mode
      */
     virtual bool monitorMode() const;
     /**
      * Set the channel hopping @a interval. An @a interval of 0 disables channel hopping.
      * @see OChannelHopper
      */
     virtual void setChannelHopping( int interval = 0 );
     /**
      * @returns the channel hopping interval or 0, if channel hopping is disabled.
      */
     virtual int channelHopping() const;
     /**
+     * @returns the @ref OChannelHopper of this interface or 0, if channel hopping has not been activated before
+     */
+    virtual OChannelHopper* channelHopper() const;
+    /**
      * Set the station @a nickname.
      */
     virtual void setNickName( const QString& nickname ) {}; //FIXME: Implement this
     /**
      * @returns the current station nickname.
      */
     virtual QString nickName() const;
     /**
      * Invoke the private IOCTL @a command with a @number of parameters on the network interface.
      * @see OPrivateIOCTL
      */
     virtual void setPrivate( const QString& command, int number, ... );
     /**
      * @returns true if the interface is featuring the private IOCTL @command.
      */
     virtual bool hasPrivate( const QString& command );
     virtual void getPrivate( const QString& command ); //FIXME: Implement and document this
 
     virtual bool isAssociated() const {}; //FIXME: Implement and document this
     virtual QString associatedAP() const; //FIXME: Implement and document this
 
     virtual void setSSID( const QString& );
     virtual QString SSID() const;
 
   protected:
     void buildChannelList();
     void buildPrivateList();
     virtual void init();
     struct iwreq& iwr() const;
     bool wioctl( int call ) const;
     bool wioctl( int call, struct iwreq& ) const;
 
   protected:
     mutable struct iwreq _iwr;
     QMap<int,int> _channels;
 
   private:
     OChannelHopper* _hopper;
 };
 
 
 /*======================================================================================
  * OMonitoringInterface
  *======================================================================================*/
 
 
 class OMonitoringInterface
 {
   public:
     OMonitoringInterface();
     OMonitoringInterface( ONetworkInterface* );
     virtual ~OMonitoringInterface();
 
   public:
     virtual void setEnabled( bool );
     virtual bool enabled() const;
     virtual void setChannel( int );
 
     virtual QString name() const = 0;
 
   protected:
     OWirelessNetworkInterface* _if;
 
 };
 
 
 /*======================================================================================
  * OCiscoMonitoring
  *======================================================================================*/
 
 
 class OCiscoMonitoringInterface : public OMonitoringInterface
 {
   public:
     OCiscoMonitoringInterface( ONetworkInterface* );
     virtual ~OCiscoMonitoringInterface();
 
     virtual void setEnabled( bool );
     virtual QString name() const;
     virtual void setChannel( int );
 
 };
 
 /*======================================================================================
  * OWlanNGMonitoringInterface
  *======================================================================================*/
 
 class OWlanNGMonitoringInterface : public OMonitoringInterface
 {
   public:
     OWlanNGMonitoringInterface( ONetworkInterface* );
     virtual ~OWlanNGMonitoringInterface();
 
   public:
     virtual void setEnabled( bool );
     virtual QString name() const;