add scanning skeleton (wip)

3 files changed, 131 insertions, 23 deletions

diff --git a/libopie2/examples/opienet/onetworkdemo/onetworkdemo.cpp b/libopie2/examples/opienet/onetworkdemo/onetworkdemo.cpp
index 607d8f1..fc2026f 100644
--- a/libopie2/examples/opienet/onetworkdemo/onetworkdemo.cpp
+++ b/libopie2/examples/opienet/onetworkdemo/onetworkdemo.cpp
@@ -1,87 +1,99 @@
 #include <opie2/onetwork.h>
 #include <opie2/omanufacturerdb.h>
 
 int main( int argc, char** argv )
 {
     qDebug( "OPIE Network Demo" );
 
     ONetwork* net = ONetwork::instance();
 
     ONetwork::InterfaceIterator it = net->iterator();
 
     while ( it.current() )
     {
         qDebug( "DEMO: ONetwork contains Interface '%s'", (const char*) it.current()->name() );
         qDebug( "DEMO: MAC Address is '%s'", (const char*) it.current()->macAddress().toString() );
         qDebug( "DEMO: MAC Address is '%s'", (const char*) it.current()->macAddress().toString(true) );
         qDebug( "DEMO: MAC Manufacturer seems to be '%s'", (const char*) it.current()->macAddress().manufacturer() );
         qDebug( "DEMO: Manufacturertest1 = '%s'", (const char*) OManufacturerDB::instance()->lookupExt( "08:00:87" ) );
         qDebug( "DEMO: Manufacturertest2 = '%s'", (const char*) OManufacturerDB::instance()->lookupExt( "E2:0C:0F" ) );
         qDebug( "Demo: IPv4 Address is '%s'", (const char*) it.current()->ipV4Address() );
         if ( it.current()->isWireless() )
         {
             OWirelessNetworkInterface* iface = static_cast<OWirelessNetworkInterface*>( it.current() );
             qDebug( "DEMO: '%s' seems to feature the wireless extensions.", (const char*) iface->name() );
             qDebug( "DEMO: Current SSID is '%s'", (const char*) iface->SSID() );
             qDebug( "DEMO: Antenna is tuned to '%f', that is channel %d", iface->frequency(), iface->channel() );
 
             //if ( iface->mode() == OWirelessNetworkInterface::adhoc )
             //{
                 qDebug( "DEMO: Associated AP has MAC Address '%s'", (const char*) iface->associatedAP() );
             //}
 
             // nickname
             qDebug( "DEMO: Current NickName is '%s'", (const char*) iface->nickName() );
             iface->setNickName( "MyNickName" );
             if ( iface->nickName() != "MyNickName" )
                 qDebug( "DEMO: Warning! Can't change nickname" );
             else
                 qDebug( "DEMO: Nickname change successful." );
 
             // operation mode
             qDebug( "DEMO: Current OperationMode is '%s'", (const char*) iface->mode() );
             iface->setMode( "adhoc" );
             if ( iface->mode() != "adhoc" )
                 qDebug( "DEMO: Warning! Can't change operation mode" );
             else
                 qDebug( "DEMO: Operation Mode change successful." );
 
             // RF channel
             qDebug( "DEMO: Current Channel is '%d'", iface->channel() );
             iface->setChannel( 1 );
             if ( iface->channel() != 1 )
                 qDebug( "DEMO: Warning! Can't change RF channel" );
             else
                 qDebug( "DEMO: RF channel change successful." );
 
             iface->setMode( "managed" );
 
+            // network scan
+
+            int stations = iface->scanNetwork();
+            if ( stations != -1 )
+            {
+                qDebug( "DEMO: # of stations around = %d", stations );
+            }
+            else
+            {
+                qDebug( "DEMO: Warning! Scan didn't work!" );
+            }
+
             /*
 
             // first some wrong calls to check if this is working
             iface->setPrivate( "seppel", 10 );
             iface->setPrivate( "monitor", 0 );
 
             // now the real deal
             iface->setPrivate( "monitor", 2, 2, 3 );
 
             // trying to set hw address to 12:34:56:AB:CD:EF
 
             /*
 
             OMacAddress addr = OMacAddress::fromString( "12:34:56:AB:CD:EF" );
             iface->setUp( false );
             iface->setMacAddress( addr );
             iface->setUp( true );
             qDebug( "DEMO: MAC Address now is '%s'", (const char*) iface->macAddress().toString() );
 
             */
 
 
         }
         ++it;
     }
 
     return 0;
 
 }
diff --git a/libopie2/opienet/onetwork.cpp b/libopie2/opienet/onetwork.cpp
index dc2e388..be45924 100644
--- a/libopie2/opienet/onetwork.cpp
+++ b/libopie2/opienet/onetwork.cpp
@@ -1,289 +1,290 @@
 /*
                              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>
               =.
             .=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>
 
 /* QT */
 
 #include <qfile.h>
 #include <qtextstream.h>
 
 /* UNIX */
 
 #include <assert.h>
 #include <arpa/inet.h>
 #include <cerrno>
 #include <cstring>
 #include <cstdlib>
 #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>
 
 using namespace std;
 
 /*======================================================================================
  * 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
 {
     int result = ::ioctl( _sfd, call, &ifreq );
     if ( result == -1 )
-        qDebug( "ONetworkInterface::ioctl (%s) call %d - Status: Failed: %d (%s)", name(), call, result, strerror( errno ) );
+        qDebug( "ONetworkInterface::ioctl (%s) call %d (0x%04X) - Status: Failed: %d (%s)", name(), call, call, result, strerror( errno ) );
     else
-        qDebug( "ONetworkInterface::ioctl (%s) call %d - Status: Ok.", name(), call );
+        qDebug( "ONetworkInterface::ioctl (%s) call %d (0x%04X) - Status: Ok.", name(), call, call );
     return ( result != -1 );
 }
 
 
 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 ) );
     }
@@ -361,545 +362,625 @@ OChannelHopper::OChannelHopper( OWirelessNetworkInterface* iface )
     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();
+    buildInformation();
     buildPrivateList();
+    dumpInformation();
+}
+
+
+bool OWirelessNetworkInterface::isAssociated() const
+{
+    //FIXME: handle different modes
+    return associatedAP() != "44:44:44:44:44:44";
 }
 
 
 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()
+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::buildChannelList(): SIOCGIWRANGE failed (%s) - defaulting to 11 channels", strerror( errno ) );
+        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::buildChannelList(): Driver for wireless interface '%s'"
-                    "overwrote buffer end with at least %i bytes!\n", name(), max - sizeof( struct iw_range ) );
+            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::buildChannelList(): Interface %s reported to have %d channels.", name(), range.num_frequency );
+        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 );
         }
     }
 
-    qDebug( "OWirelessNetworkInterface::buildChannelList(): Channel list constructed." );
+    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::setMode( const QString& mode )
 {
     if ( mode == "auto" )            _iwr.u.mode = IW_MODE_AUTO;
     else if ( mode == "adhoc" )      _iwr.u.mode = IW_MODE_ADHOC;
     else if ( mode == "managed" )    _iwr.u.mode = IW_MODE_INFRA;
     else if ( mode == "master" )     _iwr.u.mode = IW_MODE_MASTER;
     else if ( mode == "repeater" )   _iwr.u.mode = IW_MODE_REPEAT;
     else if ( mode == "secondary" )  _iwr.u.mode = IW_MODE_SECOND;
-    #if WIRELESS_EXT > 14
     else if ( mode == "monitor" )    _iwr.u.mode = IW_MODE_MONITOR;
-    #endif
     else
     {
         qDebug( "ONetwork: Warning! Invalid IEEE 802.11 mode '%s' specified.", (const char*) mode );
         return;
     }
     wioctl( SIOCSIWMODE );
 }
 
 
 QString OWirelessNetworkInterface::mode() const
 {
     if ( !wioctl( SIOCGIWMODE ) )
     {
         return "<unknown>";
     }
     switch ( _iwr.u.mode )
     {
         case IW_MODE_AUTO: return "auto";
         case IW_MODE_ADHOC: return "adhoc";
         case IW_MODE_INFRA: return "managed";
         case IW_MODE_MASTER: return "master";
         case IW_MODE_REPEAT: return "repeater";
         case IW_MODE_SECOND: return "secondary";
-        #if WIRELESS_EXT > 14
         case IW_MODE_MONITOR: return "monitor";
-        #endif
         default: assert( 0 ); // shouldn't happen
     }
 }
 
 
 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 || dataLinkType() == 802 );
-    // 802 is the header type for PRISM - Linux support for this is pending...
+    //FIXME: 802 is the header type for PRISM - Linux support for this is pending...
+    //FIXME: What is 119, by the way?
 }
 
 
 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 );
 }
 
 
+int OWirelessNetworkInterface::scanNetwork()
+{
+    _iwr.u.param.flags = IW_SCAN_DEFAULT;
+    _iwr.u.param.value = 0;
+    if ( !wioctl( SIOCSIWSCAN ) )
+    {
+        return -1;
+    }
+
+    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( " - results are in!" );
+    }
+    else
+    {
+        qDebug( " - no results :(" );
+    }
+}
+
+
 bool OWirelessNetworkInterface::wioctl( int call, struct iwreq& iwreq ) const
 {
     int result = ::ioctl( _sfd, call, &iwreq );
     if ( result == -1 )
-        qDebug( "ONetworkInterface::wioctl (%s) call %d - Status: Failed: %d (%s)", name(), call, result, strerror( errno ) );
+        qDebug( "ONetworkInterface::wioctl (%s) call %d (0x%04X) - Status: Failed: %d (%s)", name(), call, call, result, strerror( errno ) );
     else
-        qDebug( "ONetworkInterface::wioctl (%s) call %d - Status: Ok.", name(), call );
+        qDebug( "ONetworkInterface::wioctl (%s) call %d (0x%04X) - Status: Ok.", name(), call, call );
     return ( result != -1 );
 }
 
 
 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 );
 }
 
 
 bool OMonitoringInterface::enabled() const
 {
     return _if->monitorMode();
 }
 
 
 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
diff --git a/libopie2/opienet/onetwork.h b/libopie2/opienet/onetwork.h
index b170ea2..e1545dd 100644
--- a/libopie2/opienet/onetwork.h
+++ b/libopie2/opienet/onetwork.h
@@ -268,261 +268,276 @@ class OChannelHopper : public QObject
      * @returns the channel hopping interval
      */
     int interval() const;
 
   signals:
     /**
      * This signal is emitted right after the channel hopper performed a hop
      */
     void hopped( int );
 
   protected:
     virtual void timerEvent( QTimerEvent* );
 
   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.
  *
  * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
  */
 class OWirelessNetworkInterface : public ONetworkInterface
 {
     friend class OMonitoringInterface;
     friend class OCiscoMonitoringInterface;
     friend class OWlanNGMonitoringInterface;
     friend class OHostAPMonitoringInterface;
     friend class OOrinocoMonitoringInterface;
 
     friend class OPrivateIOCTL;
 
   public:
     /**
      * 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.
      * @note Common channel range is within [1-14]. A value of 0 is not allowed.
      * @see channels()
      */
     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;
     /**
      * Set the IEEE 802.11 operation @a mode.
      * Valid values are <ul><li>adhoc<li>managed<li>monitor<li>master
      * @warning Not all drivers support the all modes.
      * @note You might have to change the SSID to get the operation mode change into effect.
      */
     virtual void setMode( const QString& mode );
     /**
      * @returns the current IEEE 802.11 operation mode.
      * Possible values are <ul><li>adhoc<li>managed<li>monitor<li>master or <li>unknown
      */
     virtual QString mode() const;
     /**
      * 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 ); //FIXME: ==> setMode( "monitor" );
+    virtual void setMonitorMode( bool ); //FIXME: ==> setMode( "monitor" ); Use IW_MONITOR first, if this doesn't work, then use iwpriv!
     /**
      * @returns true if the device is listening in IEEE 802.11 monitor mode
      */
     virtual bool monitorMode() const;  //FIXME: ==> mode()
     /**
      * 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 );
     /**
      * @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
     /**
-     * @returns the MAC address of the Access Point if the
-     * device is in infrastructure mode. @returns a (more or less random) CELL
-     * address if the device is in adhoc mode.
+     * @returns true if the interface is associated to an access point
+     * @note: This information is only valid if the interface is in managed mode.
+     */
+    virtual bool isAssociated() const;
+    /**
+     * @returns the MAC address of the Access Point if the device is in infrastructure mode.
+     * @returns a (more or less random) cell ID address if the device is in adhoc mode.
      */
     virtual QString associatedAP() const;
     /**
      * Set the @a ssid (Service Set ID) string. This is used to decide
      * which network to associate with (use "any" to let the driver decide).
      */
     virtual void setSSID( const QString& ssid );
     /**
      * @returns the current SSID (Service Set ID).
      */
     virtual QString SSID() const;
+    /**
+     * Perform scanning the wireless network neighbourhood.
+     * @note: UNSTABLE API - UNDER CONSTRUCTION - DON'T USE!
+     */
+    virtual int scanNetwork();
 
   protected:
-    void buildChannelList();
+    void buildInformation();
     void buildPrivateList();
+    void dumpInformation() const;
     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;
+    struct iw_range _range;
 
   private:
     OChannelHopper* _hopper;
 };
 
 
 /*======================================================================================
  * OMonitoringInterface
  *======================================================================================*/
 
 
 class OMonitoringInterface
 {
   public:
     OMonitoringInterface();
     OMonitoringInterface( ONetworkInterface*, bool _prismHeader );
     virtual ~OMonitoringInterface();
 
   public:
     virtual void setEnabled( bool );
     virtual bool enabled() const;
     virtual void setChannel( int );
 
     virtual QString name() const = 0;
 
   protected:
     OWirelessNetworkInterface* _if;
     bool _prismHeader;
 
 };
 
 
 /*======================================================================================
  * OCiscoMonitoring
  *======================================================================================*/
 
 
 class OCiscoMonitoringInterface : public OMonitoringInterface
 {
   public:
     OCiscoMonitoringInterface( ONetworkInterface*, bool _prismHeader );
     virtual ~OCiscoMonitoringInterface();
 
     virtual void setEnabled( bool );
     virtual QString name() const;
     virtual void setChannel( int );
 
 };
 
+
 /*======================================================================================
  * OWlanNGMonitoringInterface
  *======================================================================================*/
 
+
 class OWlanNGMonitoringInterface : public OMonitoringInterface
 {
   public:
     OWlanNGMonitoringInterface( ONetworkInterface*, bool _prismHeader );
     virtual ~OWlanNGMonitoringInterface();
 
   public:
     virtual void setEnabled( bool );
     virtual QString name() const;
     virtual void setChannel( int );
 
 };
 
+
 /*======================================================================================
  * OHostAPMonitoringInterface
  *======================================================================================*/
 
+
 class OHostAPMonitoringInterface : public OMonitoringInterface
 {
   public:
     OHostAPMonitoringInterface( ONetworkInterface*, bool _prismHeader );
     virtual ~OHostAPMonitoringInterface();
 
   public:
     virtual void setEnabled( bool );
     virtual QString name() const;
  };
 
+
 /*======================================================================================
  * OOrinocoMonitoringInterface
  *======================================================================================*/
 
+
 class OOrinocoMonitoringInterface : public OMonitoringInterface
 {
   public:
     OOrinocoMonitoringInterface( ONetworkInterface*, bool _prismHeader );
     virtual ~OOrinocoMonitoringInterface();
 
    public:
     virtual void setChannel( int );
     virtual void setEnabled( bool );
     virtual QString name() const;
 
 };
 
 #endif // ONETWORK_H