prepare dhcp decoding

1 files changed, 79 insertions, 0 deletions

diff --git a/libopie2/opienet/opcap.cpp b/libopie2/opienet/opcap.cpp
index 1de7124..cc8ce7f 100644
--- a/libopie2/opienet/opcap.cpp
+++ b/libopie2/opienet/opcap.cpp
@@ -231,278 +231,357 @@ OIPPacket::~OIPPacket()
 }
 
 
 QHostAddress OIPPacket::fromIPAddress() const
 {
     return EXTRACT_32BITS( &_iphdr->saddr );
 }
 
 
 QHostAddress OIPPacket::toIPAddress() const
 {
     return EXTRACT_32BITS( &_iphdr->saddr );
 }
 
 
 int OIPPacket::tos() const
 {
     return _iphdr->tos;
 }
 
 
 int OIPPacket::len() const
 {
     return EXTRACT_16BITS( &_iphdr->tot_len );
 }
 
 
 int OIPPacket::id() const
 {
     return EXTRACT_16BITS( &_iphdr->id );
 }
 
 
 int OIPPacket::offset() const
 {
     return EXTRACT_16BITS( &_iphdr->frag_off );
 }
 
 
 int OIPPacket::ttl() const
 {
     return _iphdr->ttl;
 }
 
 
 int OIPPacket::protocol() const
 {
     return _iphdr->protocol;
 }
 
 
 int OIPPacket::checksum() const
 {
     return EXTRACT_16BITS( &_iphdr->check );
 }
 
 /*======================================================================================
  * OARPPacket
  *======================================================================================*/
 
 
 OARPPacket::OARPPacket( const unsigned char* end, const struct myarphdr* data, QObject* parent )
            :QObject( parent, "ARP" ), _arphdr( data )
 {
     qDebug( "OARPPacket::OARPPacket(): decoding ARP header..." );
     qDebug( "ARP type seems to be %02d - '%s'", EXTRACT_16BITS( &_arphdr->ar_op ), (const char*) type() );
     qDebug( "Sender: MAC %s = IP %s", (const char*) senderMacAddress().toString(), (const char*) senderIPV4Address().toString() );
     qDebug( "Target: MAC %s = IP %s", (const char*) targetMacAddress().toString(), (const char*) targetIPV4Address().toString() );
 }
 
 
 OARPPacket::~OARPPacket()
 {
 }
 
 
 QString OARPPacket::type() const
 {
     switch ( EXTRACT_16BITS( &_arphdr->ar_op ) )
     {
         case 1: return "REQUEST";
         case 2: return "REPLY";
         case 3: return "RREQUEST";
         case 4: return "RREPLY";
         case 8: return "InREQUEST";
         case 9: return "InREPLY";
         case 10: return "NAK";
         default: qWarning( "OARPPacket::type(): invalid ARP type!" ); return "<unknown>";
     }
 }
 
 
 QHostAddress OARPPacket::senderIPV4Address() const
 {
     return EXTRACT_32BITS( &_arphdr->ar_sip );
 }
 
 
 QHostAddress OARPPacket::targetIPV4Address() const
 {
     return EXTRACT_32BITS( &_arphdr->ar_tip );
 }
 
 
 OMacAddress OARPPacket::senderMacAddress() const
 {
     return OMacAddress( _arphdr->ar_sha );
 }
 
 
 OMacAddress OARPPacket::targetMacAddress() const
 {
     return OMacAddress( _arphdr->ar_tha );
 }
 
 
 /*======================================================================================
  * OUDPPacket
  *======================================================================================*/
 
 
 OUDPPacket::OUDPPacket( const unsigned char* end, const struct udphdr* data, QObject* parent )
            :QObject( parent, "UDP" ), _udphdr( data )
 
 {
     qDebug( "OUDPPacket::OUDPPacket(): decoding UDP header..." );
 }
 
+
 OUDPPacket::~OUDPPacket()
 {
 }
 
 
+int OUDPPacket::fromPort() const
+{
+    return _udphdr->source;
+}
+
+
+int OUDPPacket::toPort() const
+{
+    return _udphdr->dest;
+}
+
+
+int OUDPPacket::length() const
+{
+    return _udphdr->len;
+}
+
+
+int OUDPPacket::checksum() const
+{
+    return _udphdr->check;
+}
+
+
+/*======================================================================================
+ * ODHCPPacket
+ *======================================================================================*/
+
+
+ODHCPPacket::ODHCPPacket( const unsigned char* end, const struct dhcp_packet* data, QObject* parent )
+           :QObject( parent, "DHCP" ), _dhcphdr( data )
+
+{
+    qDebug( "ODHCPPacket::ODHCPPacket(): decoding DHCP information..." );
+}
+
+
+ODHCPPacket::~ODHCPPacket()
+{
+}
+
+
 /*======================================================================================
  * OTCPPacket
  *======================================================================================*/
 
 
 OTCPPacket::OTCPPacket( const unsigned char* end, const struct tcphdr* data, QObject* parent )
            :QObject( parent, "TCP" ), _tcphdr( data )
 
 {
     qDebug( "OTCPPacket::OTCPPacket(): decoding TCP header..." );
 }
 
+
 OTCPPacket::~OTCPPacket()
 {
 }
 
 
+int OTCPPacket::fromPort() const
+{
+    return _tcphdr->source;
+}
+
+
+int OTCPPacket::toPort() const
+{
+    return _tcphdr->dest;
+}
+
+
+int OTCPPacket::seq() const
+{
+    return _tcphdr->seq;
+}
+
+
+int OTCPPacket::ack() const
+{
+    return _tcphdr->ack_seq;
+}
+
+
+int OTCPPacket::window() const
+{
+    return _tcphdr->window;
+}
+
+
+int OTCPPacket::checksum() const
+{
+    return _tcphdr->check;
+}
+
 /*======================================================================================
  * OPrismHeaderPacket
  *======================================================================================*/
 
 
 OPrismHeaderPacket::OPrismHeaderPacket( const unsigned char* end, const struct prism_hdr* data, QObject* parent )
                 :QObject( parent, "Prism" ), _header( data )
 
 {
     qDebug( "OPrismHeaderPacket::OPrismHeaderPacket(): decoding PRISM header..." );
 
     qDebug( "Signal Strength = %d", data->signal.data );
 
     new OWaveLanPacket( end, (const struct ieee_802_11_header*) (data+1), this );
 }
 
 OPrismHeaderPacket::~OPrismHeaderPacket()
 {
 }
 
 
 unsigned int OPrismHeaderPacket::signalStrength() const
 {
     return _header->signal.data;
 }
 
 /*======================================================================================
  * OWaveLanPacket
  *======================================================================================*/
 
 
 OWaveLanPacket::OWaveLanPacket( const unsigned char* end, const struct ieee_802_11_header* data, QObject* parent )
                 :QObject( parent, "802.11" ), _wlanhdr( data )
 
 {
     qDebug( "OWaveLanPacket::OWaveLanPacket(): decoding IEEE 802.11 header..." );
     qDebug( "type: %0X", type() );
     qDebug( "subType: %0X", subType() );
     qDebug( "duration: %d", duration() );
     qDebug( "powermanagement: %d", usesPowerManagement() );
     qDebug( "payload is encrypted: %s", usesWep() ? "yes" : "no" );
     qDebug( "MAC1: %s", (const char*) macAddress1().toString() );
     qDebug( "MAC2: %s", (const char*) macAddress2().toString() );
     qDebug( "MAC3: %s", (const char*) macAddress3().toString() );
     qDebug( "MAC4: %s", (const char*) macAddress4().toString() );
 
     switch ( type() )
     {
         case T_MGMT: new OWaveLanManagementPacket( end, (const struct ieee_802_11_mgmt_header*) data, this ); break;
         case T_DATA: new OWaveLanDataPacket( end, (const struct ieee_802_11_data_header*) data, this ); break;
         case T_CTRL: new OWaveLanControlPacket( end, (const struct ieee_802_11_control_header*) data, this ); break;
         default: qDebug( "OWaveLanPacket::OWaveLanPacket(): Warning: Unknown major type '%d'!", type() );
     }
 }
 
 OWaveLanPacket::~OWaveLanPacket()
 {
 }
 
 
 int OWaveLanPacket::duration() const
 {
     return _wlanhdr->duration;
 }
 
 
 OMacAddress OWaveLanPacket::macAddress1() const
 {
     return OMacAddress( _wlanhdr->mac1 );
 }
 
 
 OMacAddress OWaveLanPacket::macAddress2() const
 {
     return OMacAddress( _wlanhdr->mac2 );
 }
 
 
 OMacAddress OWaveLanPacket::macAddress3() const
 {
     return OMacAddress( _wlanhdr->mac3 );
 }
 
 
 OMacAddress OWaveLanPacket::macAddress4() const
 {
     return OMacAddress( _wlanhdr->mac4 );
 }
 
 
 int OWaveLanPacket::subType() const
 {
     return FC_SUBTYPE( EXTRACT_LE_16BITS( &_wlanhdr->frame_control ) );
 }
 
 
 int OWaveLanPacket::type() const
 {
     return FC_TYPE( EXTRACT_LE_16BITS( &_wlanhdr->frame_control ) );
 }
 
 
 int OWaveLanPacket::version() const
 {
     return FC_VERSION( EXTRACT_LE_16BITS( &_wlanhdr->frame_control ) );
 }
 
 
 bool OWaveLanPacket::fromDS() const
 {
     return FC_FROM_DS( EXTRACT_LE_16BITS( &_wlanhdr->frame_control ) );
 }
 
 
 bool OWaveLanPacket::toDS() const
 {
     return FC_TO_DS( EXTRACT_LE_16BITS( &_wlanhdr->frame_control ) );
 }
 
 
 bool OWaveLanPacket::usesPowerManagement() const
 {
     return FC_POWER_MGMT( EXTRACT_LE_16BITS( &_wlanhdr->frame_control ) );
 }
 
 
 bool OWaveLanPacket::usesWep() const
 {