slowly start to refactor & cleanup libopie2 before merging it with libopie1

1 files changed, 2 insertions, 4 deletions

diff --git a/libopie2/opienet/onetwork.cpp b/libopie2/opienet/onetwork.cpp
index 95c813f..6a9280f 100644
--- a/libopie2/opienet/onetwork.cpp
+++ b/libopie2/opienet/onetwork.cpp
@@ -1,1190 +1,1188 @@
 /*
                              This file is part of the Opie Project
-                             Copyright (C) 2003 by the Wellenreiter team:
-                             Martin J. Muench <mjm@remote-exploit.org>
-                             Max Moser <mmo@remote-exploit.org
-                             Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
+                             Copyright (C) 2003 by Michael 'Mickey' Lauer <mickey@Vanille.de>
               =.
             .=l.
            .>+-=
  _;:,     .>    :=|.         This program is free software; you can
 .> <`_,   >  .   <=          redistribute it and/or  modify it under
 :`=1 )Y*s>-.--   :           the terms of the GNU Library General Public
 .="- .-=="i,     .._         License as published by the Free Software
  - .   .-<_>     .<>         Foundation; either version 2 of the License,
      ._= =}       :          or (at your option) any later version.
     .%`+i>       _;_.
     .i_,=:_.      -<s.       This program is distributed in the hope that
      +  .  -:.       =       it will be useful,  but WITHOUT ANY WARRANTY;
     : ..    .:,     . . .    without even the implied warranty of
     =_        +     =;=|`    MERCHANTABILITY or FITNESS FOR A
   _.=:.       :    :=>`:     PARTICULAR PURPOSE. See the GNU
 ..}^=.=       =       ;      Library General Public License for more
 ++=   -.     .`     .:       details.
  :     =  ...= . :.=-
  -.   .:....=;==+<;          You should have received a copy of the GNU
   -_. . .   )=.  =           Library General Public License along with
     --        :-=`           this library; see the file COPYING.LIB.
                              If not, write to the Free Software Foundation,
                              Inc., 59 Temple Place - Suite 330,
                              Boston, MA 02111-1307, USA.
 
 */
 
 /* OPIE */
 
 #include <opie2/onetwork.h>
 #include <opie2/ostation.h>
 
 /* QT */
 
 #include <qfile.h>
 #include <qtextstream.h>
 
 /* UNIX */
 
 #include <assert.h>
 #include <arpa/inet.h>
 #include <errno.h>
 #include <string.h>
 #include <stdlib.h>
 #include <math.h>
 #include <sys/ioctl.h>
 #include <sys/socket.h>
 #include <sys/types.h>
 #include <unistd.h>
 #include <linux/sockios.h>
 #include <net/if_arp.h>
 #include <stdarg.h>
 
 #ifndef NODEBUG
 #include <opie2/odebugmapper.h>
 DebugMapper* debugmapper = new DebugMapper();
 #endif
 
 /*======================================================================================
  * ONetwork
  *======================================================================================*/
 
 ONetwork* ONetwork::_instance = 0;
 
 ONetwork::ONetwork()
 {
     qDebug( "ONetwork::ONetwork()" );
     qDebug( "ONetwork: This code has been compiled against Wireless Extensions V%d", WIRELESS_EXT );
     synchronize();
 }
 
 void ONetwork::synchronize()
 {
     // gather available interfaces by inspecting /proc/net/dev
     //FIXME: we could use SIOCGIFCONF here, but we aren't interested in virtual (e.g. eth0:0) devices
     //FIXME: Use SIOCGIFCONF anway, because we can disable listing of aliased devices
     //FIXME: Best is use SIOCGIFCONF and if this doesn't work (result=-1), then fallback to parsing /proc/net/dev
 
     _interfaces.clear();
     QString str;
     QFile f( "/proc/net/dev" );
     bool hasFile = f.open( IO_ReadOnly );
     if ( !hasFile )
     {
         qDebug( "ONetwork: /proc/net/dev not existing. No network devices available" );
         return;
     }
     QTextStream s( &f );
     s.readLine();
     s.readLine();
     while ( !s.atEnd() )
     {
         s >> str;
         str.truncate( str.find( ':' ) );
         qDebug( "ONetwork: found interface '%s'", (const char*) str );
         ONetworkInterface* iface;
         if ( isWirelessInterface( str ) )
         {
             iface = new OWirelessNetworkInterface( this, (const char*) str );
             qDebug( "ONetwork: interface '%s' has Wireless Extensions", (const char*) str );
         }
         else
         {
             iface = new ONetworkInterface( this, (const char*) str );
         }
         _interfaces.insert( str, iface );
         s.readLine();
     }
 }
 
 
 short ONetwork::wirelessExtensionVersion()
 {
     return WIRELESS_EXT;
 }
 
 
 int ONetwork::count() const
 {
     return _interfaces.count();
 }
 
 
 ONetworkInterface* ONetwork::interface( const QString& iface ) const
 {
     return _interfaces[iface];
 }
 
 
 ONetwork* ONetwork::instance()
 {
     if ( !_instance ) _instance = new ONetwork();
     return _instance;
 }
 
 
 ONetwork::InterfaceIterator ONetwork::iterator() const
 {
     return ONetwork::InterfaceIterator( _interfaces );
 }
 
 
 bool ONetwork::isWirelessInterface( const char* name ) const
 {
     int sfd = socket( AF_INET, SOCK_STREAM, 0 );
     struct iwreq iwr;
     memset( &iwr, 0, sizeof( struct iwreq ) );
     strcpy( (char*) &iwr.ifr_name, name );
     int result = ::ioctl( sfd, SIOCGIWNAME, &iwr );
     return result != -1;
 }
 
 /*======================================================================================
  * ONetworkInterface
  *======================================================================================*/
 
 ONetworkInterface::ONetworkInterface( QObject* parent, const char* name )
                  :QObject( parent, name ),
                  _sfd( socket( AF_INET, SOCK_DGRAM, 0 ) ), _mon( 0 )
 {
     qDebug( "ONetworkInterface::ONetworkInterface()" );
     init();
 }
 
 
 struct ifreq& ONetworkInterface::ifr() const
 {
     return _ifr;
 }
 
 
 void ONetworkInterface::init()
 {
     qDebug( "ONetworkInterface::init()" );
 
     memset( &_ifr, 0, sizeof( struct ifreq ) );
 
     if ( _sfd == -1 )
     {
         qDebug( "ONetworkInterface::init(): Warning - can't get socket for device '%s'", name() );
         return;
     }
 }
 
 
 bool ONetworkInterface::ioctl( int call, struct ifreq& ifreq ) const
 {
     #ifndef NODEBUG
     int result = ::ioctl( _sfd, call, &ifreq );
     if ( result == -1 )
         qDebug( "ONetworkInterface::ioctl (%s) call %s (0x%04X) - Status: Failed: %d (%s)", name(), (const char*) debugmapper->map( call ), call, result, strerror( errno ) );
     else
         qDebug( "ONetworkInterface::ioctl (%s) call %s (0x%04X) - Status: Ok.", name(), (const char*) debugmapper->map( call ), call );
     return ( result != -1 );
     #else
     return ::ioctl( _sfd, call, &ifreq ) != -1;
     #endif
 }
 
 
 bool ONetworkInterface::ioctl( int call ) const
 {
     strcpy( _ifr.ifr_name, name() );
     return ioctl( call, _ifr );
 }
 
 
 bool ONetworkInterface::isLoopback() const
 {
     ioctl( SIOCGIFFLAGS );
     return _ifr.ifr_flags & IFF_LOOPBACK;
 }
 
 
 bool ONetworkInterface::setUp( bool b )
 {
     ioctl( SIOCGIFFLAGS );
     if ( b ) _ifr.ifr_flags |= IFF_UP;
     else   _ifr.ifr_flags &= (~IFF_UP);
     return ioctl( SIOCSIFFLAGS );
 }
 
 
 bool ONetworkInterface::isUp() const
 {
     ioctl( SIOCGIFFLAGS );
     return _ifr.ifr_flags & IFF_UP;
 }
 
 
 void ONetworkInterface::setIPV4Address( const QHostAddress& addr )
 {
     struct sockaddr_in *sa = (struct sockaddr_in *) &_ifr.ifr_addr;
     sa->sin_family = AF_INET;
     sa->sin_port = 0;
     sa->sin_addr.s_addr = htonl( addr.ip4Addr() );
     ioctl( SIOCSIFADDR );
 }
 
 
 QString ONetworkInterface::ipV4Address() const
 {
     if ( ioctl( SIOCGIFADDR ) )
     {
         struct sockaddr_in* sa = (struct sockaddr_in *) &_ifr.ifr_addr;
         //FIXME: Use QHostAddress here
         return QString( inet_ntoa( sa->sin_addr ) );
     }
     else
         return "<unknown>";
 
 }
 
 
 void ONetworkInterface::setMacAddress( const OMacAddress& addr )
 {
     _ifr.ifr_hwaddr.sa_family = ARPHRD_ETHER;
     memcpy( &_ifr.ifr_hwaddr.sa_data, addr.native(), 6 );
     ioctl( SIOCSIFHWADDR );
 }
 
 
 OMacAddress ONetworkInterface::macAddress() const
 {
     if ( ioctl( SIOCGIFHWADDR ) )
     {
         return OMacAddress( _ifr );
     }
     else
     {
         return OMacAddress::unknown;
     }
 }
 
 
 void ONetworkInterface::setIPV4Netmask( const QHostAddress& addr )
 {
     struct sockaddr_in *sa = (struct sockaddr_in *) &_ifr.ifr_addr;
     sa->sin_family = AF_INET;
     sa->sin_port = 0;
     sa->sin_addr.s_addr = htonl( addr.ip4Addr() );
     ioctl( SIOCSIFNETMASK );
 }
 
 
 QString ONetworkInterface::ipV4Netmask() const
 {
     if ( ioctl( SIOCGIFNETMASK ) )
     {
         struct sockaddr_in* sa = (struct sockaddr_in *) &_ifr.ifr_addr;
         //FIXME: Use QHostAddress here
         return QString( inet_ntoa( sa->sin_addr ) );
     }
     else
         return "<unknown>";
 }
 
 
 int ONetworkInterface::dataLinkType() const
 {
     if ( ioctl( SIOCGIFHWADDR ) )
     {
         return _ifr.ifr_hwaddr.sa_family;
     }
     else
     {
         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 ) );
     buildInformation();
     buildPrivateList();
     dumpInformation();
 }
 
 
 bool OWirelessNetworkInterface::isAssociated() const
 {
     //FIXME: handle different modes
     return !(associatedAP() == OMacAddress::unknown);
 }
 
 
 OMacAddress OWirelessNetworkInterface::associatedAP() const
 {
     if ( ioctl( SIOCGIWAP ) )
         return (const unsigned char*) &_ifr.ifr_hwaddr.sa_data[0];
     else
         return OMacAddress::unknown;
 }
 
 
 void OWirelessNetworkInterface::buildInformation()
 {
     //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...
 
     struct iwreq wrq;
     int len = sizeof( struct iw_range )*2;
     char *buffer = (char*) malloc( len );
     //FIXME: Validate if we actually got the memory block
     memset( buffer, 0, len );
     memcpy( wrq.ifr_name, name(), IFNAMSIZ);
     wrq.u.data.pointer = (caddr_t) buffer;
     wrq.u.data.length = sizeof( struct iw_range );
     wrq.u.data.flags = 0;
 
     if ( ::ioctl( _sfd, SIOCGIWRANGE, &wrq ) == -1 )
     {
         qDebug( "OWirelessNetworkInterface::buildInformation(): SIOCGIWRANGE failed (%s) - using default values.", strerror( errno ) );
         _channels.insert( 2412,  1 ); // 2.412 GHz
         _channels.insert( 2417,  2 ); // 2.417 GHz
         _channels.insert( 2422,  3 ); // 2.422 GHz
         _channels.insert( 2427,  4 ); // 2.427 GHz
         _channels.insert( 2432,  5 ); // 2.432 GHz
         _channels.insert( 2437,  6 ); // 2.437 GHz
         _channels.insert( 2442,  7 ); // 2.442 GHz
         _channels.insert( 2447,  8 ); // 2.447 GHz
         _channels.insert( 2452,  9 ); // 2.452 GHz
         _channels.insert( 2457, 10 ); // 2.457 GHz
         _channels.insert( 2462, 11 ); // 2.462 GHz
 
         memset( &_range, 0, sizeof( struct iw_range ) );
     }
     else
     {
         // <check if the driver overwrites stuff>
         int max = 0;
         for ( int r = sizeof( struct iw_range ); r < len; r++ )
             if (buffer[r] != 0)
                 max = r;
         if (max > 0)
         {
             qWarning( "OWirelessNetworkInterface::buildInformation(): Driver for wireless interface '%s' sucks!\n"
                     "It overwrote the buffer end with at least %i bytes!\n", name(), max - sizeof( struct iw_range ) );
         }
         // </check if the driver overwrites stuff>
 
         struct iw_range range;
         memcpy( &range, buffer, sizeof range );
 
         qDebug( "OWirelessNetworkInterface::buildInformation(): Interface %s reported to have %d channels.", name(), range.num_frequency );
         for ( int i = 0; i < range.num_frequency; ++i )
         {
             int freq = (int) ( double( range.freq[i].m ) * pow( 10.0, range.freq[i].e ) / 1000000.0 );
             _channels.insert( freq, i+1 );
         }
     }
 
     memcpy( &_range, buffer, sizeof( struct iw_range ) );
     qDebug( "OWirelessNetworkInterface::buildInformation(): Information block constructed." );
     free(buffer);
 }
 
 
 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." );
 }
 
 
 void OWirelessNetworkInterface::dumpInformation() const
 {
     qDebug( "OWirelessNetworkInterface::() -------------- dumping information block ----------------" );
 
     qDebug( " - driver's idea of maximum throughput is %d bps = %d byte/s = %d Kb/s = %f.2 Mb/s", _range.throughput, _range.throughput / 8, _range.throughput / 8 / 1024, float( _range.throughput ) / 8.0 / 1024.0 / 1024.0 );
     qDebug( " - driver for '%s' has been compiled against WE V%d (source=V%d)", name(), _range.we_version_compiled, _range.we_version_source );
 
     qDebug( "OWirelessNetworkInterface::() ---------------------------------------------------------" );
 }
 
 
 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 ( !c )
     {
         qWarning( "OWirelessNetworkInterface::setChannel( 0 ) called - fix your application!" );
         return;
     }
 
     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::commit() const
 {
     wioctl( SIOCSIWCOMMIT );
 }
 
 
 void OWirelessNetworkInterface::setMode( const QString& newMode )
 {
     #ifdef FINALIZE
     QString currentMode = mode();
     if ( currentMode == newMode ) return;
     #endif
 
     qDebug( "OWirelessNetworkInterface::setMode(): trying to set mode '%s' (%d)", (const char*) newMode, stringToMode( newMode ) );
 
     _iwr.u.mode = stringToMode( newMode );
 
     if ( _iwr.u.mode != IW_MODE_MONITOR )
     {
         // IWR.U.MODE WIRD DURCH ABFRAGE DES MODE HIER PLATTGEMACHT!!!!!!!!!!!!!!!!!!!!! DEPP!
         _iwr.u.mode = stringToMode( newMode );
         wioctl( SIOCSIWMODE );
 
         // special iwpriv fallback for monitor mode (check if we're really out of monitor mode now)
 
         if ( mode() == "monitor" )
         {
             qDebug( "OWirelessNetworkInterface::setMode(): SIOCSIWMODE not sufficient - trying fallback to iwpriv..." );
             if ( _mon )
                 _mon->setEnabled( false );
             else
                 qDebug( "ONetwork(): can't switch monitor mode without installed monitoring interface" );
         }
 
     }
     else    // special iwpriv fallback for monitor mode
     {
         if ( wioctl( SIOCSIWMODE ) )
         {
             qDebug( "OWirelessNetworkInterface::setMode(): IW_MODE_MONITOR ok" );
         }
         else
         {
             qDebug( "OWirelessNetworkInterface::setMode(): SIOCSIWMODE not working - trying fallback to iwpriv..." );
 
             if ( _mon )
                 _mon->setEnabled( true );
             else
                 qDebug( "ONetwork(): can't switch monitor mode without installed monitoring interface" );
         }
     }
 }
 
 
 QString OWirelessNetworkInterface::mode() const
 {
     memset( &_iwr, 0, sizeof( struct iwreq ) );
 
     if ( !wioctl( SIOCGIWMODE ) )
     {
         return "<unknown>";
     }
 
     qDebug( "DEBUG: WE's idea of current mode seems to be '%s'", (const char*) modeToString( _iwr.u.mode ) );
 
     // legacy compatible monitor mode check
 
     if ( dataLinkType() == ARPHRD_IEEE80211 || dataLinkType() == 802 )
     {
         return "monitor";
     }
     else
     {
         return modeToString( _iwr.u.mode );
     }
 }
 
 void OWirelessNetworkInterface::setNickName( const QString& nickname )
 {
     _iwr.u.essid.pointer = const_cast<char*>( (const char*) nickname );
     _iwr.u.essid.length = nickname.length();
     wioctl( SIOCSIWNICKN );
 }
 
 
 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 );
 }
 
 
 OStationList* OWirelessNetworkInterface::scanNetwork()
 {
     _iwr.u.param.flags = IW_SCAN_DEFAULT;
     _iwr.u.param.value = 0;
     if ( !wioctl( SIOCSIWSCAN ) )
     {
         return 0;
     }
 
     OStationList* stations = new OStationList();
 
     int timeout = 1000000;
 
     qDebug( "ONetworkInterface::scanNetwork() - scan started." );
 
     bool results = false;
     struct timeval tv;
     tv.tv_sec = 0;
     tv.tv_usec = 250000; // initial timeout ~ 250ms
     char buffer[IW_SCAN_MAX_DATA];
 
     while ( !results && timeout > 0 )
     {
         timeout -= tv.tv_usec;
         select( 0, 0, 0, 0, &tv );
 
         _iwr.u.data.pointer = &buffer[0];
         _iwr.u.data.flags = 0;
         _iwr.u.data.length = sizeof buffer;
         if ( wioctl( SIOCGIWSCAN ) )
         {
             results = true;
             continue;
         }
         else if ( errno == EAGAIN)
         {
             qDebug( "ONetworkInterface::scanNetwork() - scan in progress..." );
             #if 0
             if ( qApp )
             {
                 qApp->processEvents( 100 );
                 continue;
             }
             #endif
             tv.tv_sec = 0;
             tv.tv_usec = 100000;
             continue;
         }
     }
 
     qDebug( "ONetworkInterface::scanNetwork() - scan finished." );
 
     if ( results )
     {
         qDebug( " - result length = %d", _iwr.u.data.length );
         if ( !_iwr.u.data.length )
         {
             qDebug( " - no results (empty neighbourhood)" );
             return stations;
         }
 
         qDebug( " - results are in!" );
         dumpBytes( (const unsigned char*) &buffer[0], _iwr.u.data.length );
 
         // parse results
 
         int offset = 0;
         struct iw_event* we = (struct iw_event*) &buffer[0];
 
         while ( offset < _iwr.u.data.length )
         {
             //const char* cmd = *(*_ioctlmap)[we->cmd];
             //if ( !cmd ) cmd = "<unknown>";
             qDebug( "reading next event... cmd=%d, len=%d", we->cmd, we->len );
             switch (we->cmd)
             {
                 case SIOCGIWAP:
                 {
                     qDebug( "SIOCGIWAP" );
                     stations->append( new OStation() );
                     stations->last()->macAddress = (const unsigned char*) &we->u.ap_addr.sa_data[0];
                     break;
                 }
                 case SIOCGIWMODE:
                 {
                     qDebug( "SIOCGIWMODE" );
                     stations->last()->type = modeToString( we->u.mode );
                     break;
                 }
                 case SIOCGIWFREQ:
                 {
                     qDebug( "SIOCGIWFREQ" );
                     stations->last()->channel = _channels[ static_cast<int>(double( we->u.freq.m ) * pow( 10.0, we->u.freq.e ) / 1000000) ];
                     break;
                 }
                 case SIOCGIWESSID:
                 {
                     qDebug( "SIOCGIWESSID" );
                     stations->last()->ssid = we->u.essid.pointer;
                     break;
                 }
                 case SIOCGIWSENS: qDebug( "SIOCGIWSENS" ); break;
                 case SIOCGIWENCODE: qDebug( "SIOCGIWENCODE" ); break;
                 case IWEVTXDROP: qDebug( "IWEVTXDROP" ); break;         /* Packet dropped to excessive retry */
                 case IWEVQUAL: qDebug( "IWEVQUAL" ); break;             /* Quality part of statistics (scan) */
                 case IWEVCUSTOM: qDebug( "IWEVCUSTOM" ); break;         /* Driver specific ascii string */
                 case IWEVREGISTERED: qDebug( "IWEVREGISTERED" ); break; /* Discovered a new node (AP mode) */
                 case IWEVEXPIRED: qDebug( "IWEVEXPIRED" ); break;       /* Expired a node (AP mode) */
                 default: qDebug( "unhandled event" );
             }
 
             offset += we->len;
             we = (struct iw_event*) &buffer[offset];
         }
+        return stations;
 
         return stations;
 
     }
     else
     {
         qDebug( " - no results (timeout) :(" );
         return stations;
     }
 }
 
 
 bool OWirelessNetworkInterface::wioctl( int call, struct iwreq& iwreq ) const
 {
     #ifndef NODEBUG
     int result = ::ioctl( _sfd, call, &iwreq );
     if ( result == -1 )
         qDebug( "ONetworkInterface::wioctl (%s) call %s (0x%04X) - Status: Failed: %d (%s)", name(), (const char*) debugmapper->map( call ), call, result, strerror( errno ) );
     else
         qDebug( "ONetworkInterface::wioctl (%s) call %s (0x%04X) - Status: Ok.", name(), (const char*) debugmapper->map( call ), call );
     return ( result != -1 );
     #else
     return ::ioctl( _sfd, call, &iwreq ) != -1;
     #endif
 }
 
 
 bool OWirelessNetworkInterface::wioctl( int call ) const
 {
     strcpy( _iwr.ifr_name, name() );
     return wioctl( call, _iwr );
 }
 
 
 /*======================================================================================
  * OMonitoringInterface
  *======================================================================================*/
 
 OMonitoringInterface::OMonitoringInterface( ONetworkInterface* iface, bool prismHeader )
                       :_if( static_cast<OWirelessNetworkInterface*>( iface ) ), _prismHeader( prismHeader )
 {
 }
 
 
 OMonitoringInterface::~OMonitoringInterface()
 {
 }
 
 
 void OMonitoringInterface::setChannel( int c )
 {
     // use standard WE channel switching protocol
     memset( &_if->_iwr, 0, sizeof( struct iwreq ) );
     _if->_iwr.u.freq.m = c;
     _if->_iwr.u.freq.e = 0;
     _if->wioctl( SIOCSIWFREQ );
 }
 
 
 void OMonitoringInterface::setEnabled( bool b )
 {
 }
 
 
 /*======================================================================================
  * OCiscoMonitoringInterface
  *======================================================================================*/
 
 OCiscoMonitoringInterface::OCiscoMonitoringInterface( ONetworkInterface* iface, bool prismHeader )
                            :OMonitoringInterface( iface, prismHeader )
 {
     iface->setMonitoring( this );
 }
 
 
 OCiscoMonitoringInterface::~OCiscoMonitoringInterface()
 {
 }
 
 
 void OCiscoMonitoringInterface::setEnabled( bool b )
 {
     QString fname;
     fname.sprintf( "/proc/driver/aironet/%s", (const char*) _if->name() );
     QFile f( fname );
     if ( !f.exists() ) return;
 
     if ( f.open( IO_WriteOnly ) )
     {
         QTextStream s( &f );
         s << "Mode: r";
         s << "Mode: y";
         s << "XmitPower: 1";
     }
 
     // flushing and closing will be done automatically when f goes out of scope
 }
 
 
 QString OCiscoMonitoringInterface::name() const
 {
     return "cisco";
 }
 
 
 void OCiscoMonitoringInterface::setChannel( int )
 {
     // cisco devices automatically switch channels when in monitor mode
 }
 
 
 /*======================================================================================
  * OWlanNGMonitoringInterface
  *======================================================================================*/
 
 
 OWlanNGMonitoringInterface::OWlanNGMonitoringInterface( ONetworkInterface* iface, bool prismHeader )
                            :OMonitoringInterface( iface, prismHeader )
 {
     iface->setMonitoring( this );
 }
 
 
 OWlanNGMonitoringInterface::~OWlanNGMonitoringInterface()
 {
 }
 
 
 void OWlanNGMonitoringInterface::setEnabled( bool b )
 {
     //FIXME: do nothing if its already in the same mode
 
     QString enable = b ? "true" : "false";
     QString prism = _prismHeader ? "true" : "false";
     QString cmd;
     cmd.sprintf( "$(which wlanctl-ng) %s lnxreq_wlansniff channel=%d enable=%s prismheader=%s",
                  (const char*) _if->name(), 1, (const char*) enable, (const char*) prism );
     system( cmd );
 }
 
 
 QString OWlanNGMonitoringInterface::name() const
 {
     return "wlan-ng";
 }
 
 
 void OWlanNGMonitoringInterface::setChannel( int c )
 {
     //NOTE: Older wlan-ng drivers automatically hopped channels while lnxreq_wlansniff=true. Newer ones don't.
 
     QString enable = "true"; //_if->monitorMode() ? "true" : "false";
     QString prism = _prismHeader ? "true" : "false";
     QString cmd;
     cmd.sprintf( "$(which wlanctl-ng) %s lnxreq_wlansniff channel=%d enable=%s prismheader=%s",
                  (const char*) _if->name(), c, (const char*) enable, (const char*) prism );
     system( cmd );
 }
 
 
 /*======================================================================================
  * OHostAPMonitoringInterface
  *======================================================================================*/
 
 OHostAPMonitoringInterface::OHostAPMonitoringInterface( ONetworkInterface* iface, bool prismHeader )
                            :OMonitoringInterface( iface, prismHeader )
 {
     iface->setMonitoring( this );
 }
 
 OHostAPMonitoringInterface::~OHostAPMonitoringInterface()
 {
 }
 
 void OHostAPMonitoringInterface::setEnabled( bool b )
 {
     int monitorCode = _prismHeader ? 1 : 2;
     if ( b )
     {
         _if->setPrivate( "monitor", 1, monitorCode );
     }
     else
     {
         _if->setPrivate( "monitor", 1, 0 );
     }
 }
 
 
 QString OHostAPMonitoringInterface::name() const
 {
     return "hostap";
 }
 
 
 /*======================================================================================
  * OOrinocoNetworkInterface
  *======================================================================================*/
 
 OOrinocoMonitoringInterface::OOrinocoMonitoringInterface( ONetworkInterface* iface, bool prismHeader )
                            :OMonitoringInterface( iface, prismHeader )
 {
     iface->setMonitoring( this );
 }
 
 
 OOrinocoMonitoringInterface::~OOrinocoMonitoringInterface()
 {
 }
 
 
 void OOrinocoMonitoringInterface::setChannel( int c )
 {
     int monitorCode = _prismHeader ? 1 : 2;
     _if->setPrivate( "monitor", 2, monitorCode, c );
 }
 
 
 void OOrinocoMonitoringInterface::setEnabled( bool b )
 {
     // IW_MODE_MONITOR was introduced in Wireless Extensions Version 15
     // Wireless Extensions < Version 15 need iwpriv commandos for monitoring
     // However, as of recent orinoco drivers, IW_MODE_MONITOR is still not supported
 
     if ( b )
     {
         setChannel( 1 );
     }
     else
     {
         _if->setPrivate( "monitor", 2, 0, 0 );
     }
 }
 
 
 QString OOrinocoMonitoringInterface::name() const
 {
     return "orinoco";
 }