* start with preparations for scanning wired networks

* dhcp recognition now works nicely

9 files changed, 148 insertions, 12 deletions

diff --git a/libopie2/opienet/onetutils.cpp b/libopie2/opienet/onetutils.cpp
index 08c40b4..ad0e89d 100644
--- a/libopie2/opienet/onetutils.cpp
+++ b/libopie2/opienet/onetutils.cpp
@@ -45,34 +45,39 @@ using namespace std;
 #define IW_PRIV_TYPE_INT        0x4000
 #define IW_PRIV_TYPE_FLOAT      0x5000
 #define IW_PRIV_TYPE_ADDR       0x6000
 #define IW_PRIV_SIZE_FIXED      0x0800
 #define IW_PRIV_SIZE_MASK       0x07FF
 
 /*======================================================================================
  * OMacAddress
  *======================================================================================*/
 
 // static initializer for broadcast and unknown MAC Adresses
 const unsigned char __broadcast[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
 const OMacAddress& OMacAddress::broadcast = OMacAddress( __broadcast );
 const unsigned char __unknown[6] = { 0x44, 0x44, 0x44, 0x44, 0x44, 0x44 };
 const OMacAddress& OMacAddress::unknown = OMacAddress( __unknown );
 
+//TODO: Incorporate Ethernet Manufacturer database here! (inline or so)
+
+OMacAddress::OMacAddress()
+{
+    memcpy( _bytes, __unknown, 6 );
+}
 
-//TODO: Incorporate Ethernet Manufacturer database here!
 
 OMacAddress::OMacAddress( unsigned char* p )
 {
     memcpy( _bytes, p, 6 );
 }
 
 
 OMacAddress::OMacAddress( const unsigned char* p )
 {
     memcpy( _bytes, p, 6 );
 }
 
 
 OMacAddress::OMacAddress( struct ifreq& ifr )
 {
     memcpy( _bytes, ifr.ifr_hwaddr.sa_data, 6 );
diff --git a/libopie2/opienet/onetutils.h b/libopie2/opienet/onetutils.h
index 9611518..18731ba 100644
--- a/libopie2/opienet/onetutils.h
+++ b/libopie2/opienet/onetutils.h
@@ -38,32 +38,33 @@
 #include <qhostaddress.h>
 #include <qobject.h>
 
 #include <sys/types.h>
 
 struct ifreq;
 class OWirelessNetworkInterface;
 
 /*======================================================================================
  * OMacAddress
  *======================================================================================*/
 
 class OMacAddress
 {
   public:
     // QString c'tor? -zecke
+    OMacAddress();
     OMacAddress( unsigned char* );
     OMacAddress( const unsigned char* );
     OMacAddress( struct ifreq& );
     ~OMacAddress();
 
     QString manufacturer() const;
     QString toString( bool substitute = false ) const;
     const unsigned char* native() const;
 
     // no c'tor but this one why not make it a c'tor. it could also replace the others or is this the problem?
     static OMacAddress fromString( const QString& );
 
   public:
     static const OMacAddress& broadcast; // ff:ff:ff:ff:ff:ff
     static const OMacAddress& unknown;   // 44:44:44:44:44:44
 
diff --git a/libopie2/opienet/opcap.cpp b/libopie2/opienet/opcap.cpp
index 7a6f61b..313f5bb 100644
--- a/libopie2/opienet/opcap.cpp
+++ b/libopie2/opienet/opcap.cpp
@@ -95,32 +95,55 @@ int OPacket::caplen() const
 }
 
 
 void OPacket::updateStats( QMap<QString,int>& stats, QObjectList* l )
 {
     if (!l) return;
     QObject* o = l->first();
     while ( o )
     {
         stats[o->name()]++;
         updateStats( stats, const_cast<QObjectList*>( o->children() ) );
         o = l->next();
     }
 }
 
 
+void OPacket::dumpStructure( QObjectList* l )
+{
+    QString packetString( "[ |" + _dumpStructure( l ) + " ]" );
+    qDebug( "OPacket::dumpStructure: %s", (const char*) packetString );
+}
+
+
+QString OPacket::_dumpStructure( QObjectList* l )
+{
+    if (!l) return QString::null;
+    QObject* o = l->first();
+    QString str(" ");
+
+    while ( o )
+    {
+        str.append( o->name() );
+        str.append( " |" );
+        str += _dumpStructure( const_cast<QObjectList*>( o->children() ) );
+        o = l->next();
+    }
+    return str;
+}
+
 QString OPacket::dump( int bpl ) const
 {
     static int index = 0;
     index++;
     int len = _hdr.caplen;
     QString str;
     str.sprintf( "\n<----- Packet #%04d Len = 0x%X (%d) ----->\n\n", index, len, len );
     str.append( "0000: " );
     QString tmp;
     QString bytes;
     QString chars;
 
     for ( int i = 0; i < len; ++i )
     {
         tmp.sprintf( "%02X ", _data[i] ); bytes.append( tmp );
         if ( (_data[i] > 31) && (_data[i]<128) ) chars.append( _data[i] );
@@ -1103,33 +1126,35 @@ int OPacketCapturer::fileno() const
 OPacket* OPacketCapturer::next()
 {
     packetheaderstruct header;
     qDebug( "==> OPacketCapturer::next()" );
     const unsigned char* pdata = pcap_next( _pch, &header );
     qDebug( "<== OPacketCapturer::next()" );
 
     if ( pdata && header.len )
     {
         OPacket* p = new OPacket( dataLink(), header, pdata, 0 );
         // packets shouldn't be inserted in the QObject child-parent hierarchy,
         // because due to memory constraints they will be deleted as soon
         // as possible - that is right after they have been processed
         // by emit() [ see below ]
         //TODO: make gathering statistics optional, because it takes time
         p->updateStats( _stats, const_cast<QObjectList*>( p->children() ) );
-
+        #ifndef NODEBUG
+        p->dumpStructure( const_cast<QObjectList*>( p->children() ) );
+        #endif
         return p;
     }
     else
     {
         qWarning( "OPacketCapturer::next() - no packet received!" );
         return 0;
     }
 }
 
 
 bool OPacketCapturer::open( const QString& name )
 {
     if ( _open )
     {
         if ( name == _name )    // ignore opening an already openend device
         {
diff --git a/libopie2/opienet/opcap.h b/libopie2/opienet/opcap.h
index a031dd1..f0d1d81 100644
--- a/libopie2/opienet/opcap.h
+++ b/libopie2/opienet/opcap.h
@@ -120,32 +120,37 @@ class OPacket : public QObject
 
   friend class OPacketCapturer;
 
   public:
     OPacket( int datalink, packetheaderstruct, const unsigned char*, QObject* parent );
     virtual ~OPacket();
 
     timevalstruct timeval() const;
 
     int caplen() const;
     int len() const;
     QString dump( int = 32 ) const;
 
     void updateStats( QMap<QString,int>&, QObjectList* );
 
   private:
+
+    void dumpStructure( QObjectList* );
+    QString _dumpStructure( QObjectList* );
+
+  private:
     const packetheaderstruct _hdr;  // pcap packet header
     const unsigned char* _data;     // pcap packet data
     const unsigned char* _end;      // end of pcap packet data
 };
 
 /*======================================================================================
  * OEthernetPacket - DLT_EN10MB frame
  *======================================================================================*/
 
 class OEthernetPacket : public QObject
 {
   Q_OBJECT
 
   public:
     OEthernetPacket( const unsigned char*, const struct ether_header*, QObject* parent = 0 );
     virtual ~OEthernetPacket();
diff --git a/noncore/net/wellenreiter/gui/scanlist.cpp b/noncore/net/wellenreiter/gui/scanlist.cpp
index 245290d..9d6ed6a 100644
--- a/noncore/net/wellenreiter/gui/scanlist.cpp
+++ b/noncore/net/wellenreiter/gui/scanlist.cpp
@@ -326,32 +326,80 @@ void MScanListView::identify( const OMacAddress& macaddr, const QString& ip )
 
     QListViewItemIterator it( this );
     for ( ; it.current(); ++it )
     {
         if ( it.current()->text( col_ap ) == macaddr.toString(true) )
         {
             it.current()->setText( col_ip, ip );
             return;
         }
     }
     qDebug( "D'oh! Received identification, but item not yet in list... ==> Handle this!" );
     MLogWindow::logwindow()->log( QString().sprintf( "WARNING: Unhandled identification %s = %s!",
                                                      (const char*) macaddr.toString(), (const char*) ip ) );
 }
 
 
+void MScanListView::addService( const QString& name, const OMacAddress& macaddr, const QString& ip )
+{
+    qDebug( "addService '%s', Server = %s = %s", (const char*) name, (const char*) macaddr.toString(), (const char*) ip );
+
+    //TODO: Refactor that out, we need it all over the place.
+    //      Best to do it in a more comfortable abstraction in OListView
+    //      (Hmm, didn't I already start something in this direction?)
+
+    QListViewItemIterator it( this );
+    for ( ; it.current(); ++it )
+    {
+        if ( it.current()->text( col_ap ) == macaddr.toString(true) )
+        {
+
+            MScanListItem* subitem = static_cast<MScanListItem*>( it.current()->firstChild() );
+
+            while ( subitem && ( subitem->text( col_essid ) != name ) )
+            {
+                #ifdef DEBUG
+                qDebug( "subitemtext: %s", (const char*) subitem->text( col_essid ) );
+                #endif
+                subitem = static_cast<MScanListItem*> ( subitem->nextSibling() );
+            }
+
+            if ( subitem )
+            {
+                // we have already seen this item, it's a dupe
+                #ifdef DEBUG
+                qDebug( "%s is a dupe - ignoring...", (const char*) name );
+                #endif
+                subitem->receivedBeacon(); //FIXME: sent data bit
+                return;
+            }
+
+            // never seen that - add new item
+
+            MScanListItem* item = new MScanListItem( it.current(), "service", "N/A", false, -1, -1 );
+            item->setText( col_essid, name );
+
+            return;
+        }
+    }
+    qDebug( "D'oh! Received identification, but item not yet in list... ==> Handle this!" );
+    MLogWindow::logwindow()->log( QString().sprintf( "WARNING: Unhandled service addition %s = %s!",
+                                                     (const char*) macaddr.toString(), (const char*) ip ) );
+}
+
+
 void MScanListView::contextMenuRequested( QListViewItem* item, const QPoint&, int col )
 {
     if ( !item ) return;
 
     MScanListItem* itm = static_cast<MScanListItem*>( item );
 
     qDebug( "contextMenuRequested on item '%s' (%s) in column: '%d'",
             (const char*) itm->text(0), (const char*) itm->type, col );
 
     if ( itm->type == "adhoc" || itm->type == "managed" )
     {
         QString entry = QString().sprintf( "&Join %s Net '%s'...", (const char*) itm->type, (const char*) itm->essid() );
 
         QPopupMenu m( this );
         m.insertItem( entry, 37773, 0 );
         int result = m.exec( QCursor::pos() );
diff --git a/noncore/net/wellenreiter/gui/scanlist.h b/noncore/net/wellenreiter/gui/scanlist.h
index 2703b6a..a9b74f1 100644
--- a/noncore/net/wellenreiter/gui/scanlist.h
+++ b/noncore/net/wellenreiter/gui/scanlist.h
@@ -29,32 +29,33 @@ class QString;
 class MScanListItem;
 
 class MScanListView: public OListView
 {
   Q_OBJECT
 
   public:
     MScanListView( QWidget* parent = 0, const char* name = 0 );
     virtual ~MScanListView();
 
     virtual OListViewItem* childFactory();
     virtual void serializeTo( QDataStream& s ) const;
     virtual void serializeFrom( QDataStream& s );
 
   public slots:
     void addNewItem( const QString& type, const QString& essid, const OMacAddress& macaddr, bool wep, int channel, int signal, const GpsLocation& location );
+    void addService( const QString& name, const OMacAddress& macaddr, const QString& ip );
 
     void fromDStraffic( const OMacAddress& from, const OMacAddress& to, const OMacAddress& via );
     void toDStraffic( const OMacAddress& from, const OMacAddress& to, const OMacAddress& via );
     void WDStraffic( const OMacAddress& from, const OMacAddress& to, const OMacAddress& viaFrom, const OMacAddress& viaTo );
     void IBSStraffic( const OMacAddress& from, const OMacAddress& to, const OMacAddress& via );
 
     void identify( const OMacAddress&, const QString& ipaddr );
 
     void contextMenuRequested( QListViewItem* item, const QPoint&, int );
 
   signals:
     void rightButtonClicked(QListViewItem*,const QPoint&,int);
     void joinNetwork( const QString&, const QString&, int, const QString& );
 
   protected:
     void addIfNotExisting( MScanListItem* parent, const OMacAddress& addr, const QString& type = "station" );
diff --git a/noncore/net/wellenreiter/gui/wellenreiter.cpp b/noncore/net/wellenreiter/gui/wellenreiter.cpp
index 405eda8..7394742 100644
--- a/noncore/net/wellenreiter/gui/wellenreiter.cpp
+++ b/noncore/net/wellenreiter/gui/wellenreiter.cpp
@@ -181,71 +181,100 @@ void Wellenreiter::handleBeacon( OPacket* p, OWaveLanManagementPacket* beacon )
     }
 
     netView()->addNewItem( type, essid, header->macAddress2(), beacon->canPrivacy(), channel, 0, loc );
 
     // update graph window
     if ( ds )
     {
         OPrismHeaderPacket* prism = static_cast<OPrismHeaderPacket*>( p->child( "Prism" ) );
         if ( prism )
             graphwindow->traffic( ds->channel(), prism->signalStrength() );
         else
             graphwindow->traffic( ds->channel(), 95 );
     }
 }
 
 
-void Wellenreiter::handleData( OPacket* p, OWaveLanDataPacket* data )
+void Wellenreiter::handleWlanData( OPacket* p, OWaveLanDataPacket* data, OMacAddress& from, OMacAddress& to )
 {
     OWaveLanPacket* wlan = (OWaveLanPacket*) p->child( "802.11" );
     if ( wlan->fromDS() && !wlan->toDS() )
     {
         netView()->fromDStraffic( wlan->macAddress3(), wlan->macAddress1(), wlan->macAddress2() );
+        from = wlan->macAddress3();
+        to = wlan->macAddress2();
     }
     else if ( !wlan->fromDS() && wlan->toDS() )
     {
         netView()->toDStraffic( wlan->macAddress2(), wlan->macAddress3(), wlan->macAddress1() );
+        from = wlan->macAddress2();
+        to = wlan->macAddress3();
     }
     else if ( wlan->fromDS() && wlan->toDS() )
     {
         netView()->WDStraffic( wlan->macAddress4(), wlan->macAddress3(), wlan->macAddress1(), wlan->macAddress2() );
+        from = wlan->macAddress4();
+        to = wlan->macAddress3();
     }
     else
     {
         netView()->IBSStraffic( wlan->macAddress2(), wlan->macAddress1(), wlan->macAddress3() );
+        from = wlan->macAddress2();
+        to = wlan->macAddress1();
     }
+}
+
+
+void Wellenreiter::handleEthernetData( OPacket* p, OEthernetPacket* data, OMacAddress& from, OMacAddress& to )
+{
+    from = data->sourceAddress();
+    to = data->destinationAddress();
+
+    netView()->addNewItem( "station", "<wired>", from, false, -1, 0, GpsLocation( 0, 0 ) );
+}
+
 
+void Wellenreiter::handleIPData( OPacket* p, OIPPacket* ip, OMacAddress& source, OMacAddress& dest )
+{
     OARPPacket* arp = (OARPPacket*) p->child( "ARP" );
     if ( arp )
     {
         qDebug( "Received ARP traffic (type '%s'): ", (const char*) arp->type() );
         if ( arp->type() == "REQUEST" )
         {
             netView()->identify( arp->senderMacAddress(), arp->senderIPV4Address().toString() );
         }
         else if ( arp->type() == "REPLY" )
         {
             netView()->identify( arp->senderMacAddress(), arp->senderIPV4Address().toString() );
             netView()->identify( arp->targetMacAddress(), arp->targetIPV4Address().toString() );
         }
     }
 
-    OIPPacket* ip = (OIPPacket*) p->child( "IP" );
-    if ( ip )
+    ODHCPPacket* dhcp = (ODHCPPacket*) p->child( "DHCP" );
+    if ( dhcp )
     {
-        qDebug( "Received IP packet." );
+        qDebug( "Received DHCP '%s' packet", (const char*) dhcp->type() );
+        if ( dhcp->type() == "OFFER" )
+        {
+            qDebug( "ADDSERVICE: '%s' ('%s') seems to be a DHCP server.", (const char*) source.toString(), (const char*) dhcp->serverAddress().toString() );
+            //netView()->addNewItem( "station", "<wired>", from, false, -1, 0, GpsLocation( 0, 0 ) );
+
+            netView()->identify( source, dhcp->serverAddress().toString() );
+            netView()->addService( "DHCP", source, dhcp->serverAddress().toString() );
+        }
     }
 }
 
 
 QObject* Wellenreiter::childIfToParse( OPacket* p, const QString& protocol )
 {
     if ( configwindow->parsePackets->isProtocolChecked( protocol ) )
         if ( configwindow->parsePackets->protocolAction( protocol ) == "Discard!" )
             return 0;
 
     return p->child( protocol );
 }
 
 
 bool Wellenreiter::checkDumpPacket( OPacket* p )
 {
@@ -285,42 +314,59 @@ void Wellenreiter::receivePacket( OPacket* p )
 {
     hexWindow()->log( p->dump( 8 ) );
 
     if ( checkDumpPacket( p ) )
     {
         pcap->dump( p );
     }
 
     // check if we received a beacon frame
     OWaveLanManagementPacket* beacon = static_cast<OWaveLanManagementPacket*>( childIfToParse( p, "802.11 Management" ) );
     if ( beacon && beacon->managementType() == "Beacon" )
     {
         handleBeacon( p, beacon );
         return;
     }
 
+    OMacAddress source;
+    OMacAddress dest;
+
     //TODO: WEP check here
 
-    // check for a data frame
-    OWaveLanDataPacket* data = static_cast<OWaveLanDataPacket*>( childIfToParse( p, "802.11 Data" ) );
-    if ( data )
+    // check for a wireless data frame
+    OWaveLanDataPacket* wlan = static_cast<OWaveLanDataPacket*>( childIfToParse( p, "802.11 Data" ) );
+    if ( wlan )
+    {
+        handleWlanData( p, wlan, source, dest );
+    }
+
+    // check for a wired data frame
+    OEthernetPacket* eth = static_cast<OEthernetPacket*>( childIfToParse( p, "Ethernet" ) );
+    if ( eth )
+    {
+        handleEthernetData( p, eth, source, dest );
+    }
+
+    // check for a ip frame
+    OIPPacket* ip = static_cast<OIPPacket*>( childIfToParse( p, "IP" ) );
+    if ( ip )
     {
-        handleData( p, data );
+        handleIPData( p, ip, source, dest );
     }
 
-    handleNotification( p );
+    //handleNotification( p );
 
 }
 
 
 void Wellenreiter::stopClicked()
 {
     if ( iface )
     {
         disconnect( SIGNAL( receivedPacket(OPacket*) ), this, SLOT( receivePacket(OPacket*) ) );
         disconnect( SIGNAL( hopped(int) ), this, SLOT( channelHopped(int) ) );
         iface->setChannelHopping(); // stop hopping channels
     }
     else
         killTimers();
 
     pcap->close();
diff --git a/noncore/net/wellenreiter/gui/wellenreiter.h b/noncore/net/wellenreiter/gui/wellenreiter.h
index 43f6f99..ed96375 100644
--- a/noncore/net/wellenreiter/gui/wellenreiter.h
+++ b/noncore/net/wellenreiter/gui/wellenreiter.h
@@ -15,32 +15,35 @@
 
 #ifndef WELLENREITER_H
 #define WELLENREITER_H
 
 #include "wellenreiterbase.h"
 
 #ifdef QWS
 #include <opie/odevice.h>
 using namespace Opie;
 #endif
 
 class QTimerEvent;
 class QPixmap;
 class OPacket;
 class OWaveLanManagementPacket;
 class OWaveLanDataPacket;
+class OEthernetPacket;
+class OMacAddress;
+class OIPPacket;
 class OPacketCapturer;
 class OWirelessNetworkInterface;
 class WellenreiterConfigWindow;
 class MLogWindow;
 class MHexWindow;
 class GPS;
 
 class Wellenreiter : public WellenreiterBase {
     Q_OBJECT
 
   public:
     Wellenreiter( QWidget* parent = 0 );
     ~Wellenreiter();
 
     void setConfigWindow( WellenreiterConfigWindow* cw );
     MScanListView* netView() const { return netview; };
@@ -55,33 +58,35 @@ class Wellenreiter : public WellenreiterBase {
     virtual void timerEvent( QTimerEvent* );
 
   public slots:
     void channelHopped(int);
     void receivePacket(OPacket*);
     void startClicked();
     void stopClicked();
 
     void joinNetwork(const QString&,const QString&,int,const QString&);
 
   signals:
     void startedSniffing();
     void stoppedSniffing();
 
   private:
     void handleBeacon( OPacket* p, OWaveLanManagementPacket* beacon );
-    void handleData( OPacket* p, OWaveLanDataPacket* data );
+    void handleWlanData( OPacket* p, OWaveLanDataPacket* data, OMacAddress& from, OMacAddress& to );
+    void handleEthernetData( OPacket* p, OEthernetPacket* data, OMacAddress& from, OMacAddress& to );
+    void handleIPData( OPacket* p, OIPPacket* ip, OMacAddress& from, OMacAddress& to );
     void handleNotification( OPacket* p );
     void doAction( const QString& action, const QString& protocol, OPacket* p );
     QObject* childIfToParse( OPacket* p, const QString& protocol );
     bool checkDumpPacket( OPacket* p );
 
   private:
     #ifdef QWS
     OSystem _system;                // Opie Operating System identifier
     #endif
 
     OWirelessNetworkInterface* iface;
     OPacketCapturer* pcap;
     WellenreiterConfigWindow* configwindow;
     GPS* gps;
 
     //void readConfig();
diff --git a/pics/wellenreiter/service.png b/pics/wellenreiter/service.png
new file mode 100755
index 0000000..4e06a0a
--- a/dev/null
+++ b/pics/wellenreiter/service.png