add prism header parsing capability!

4 files changed, 67 insertions, 2 deletions

diff --git a/libopie2/opienet/802_11_user.h b/libopie2/opienet/802_11_user.h
index f596bd8..cd98503 100644
--- a/libopie2/opienet/802_11_user.h
+++ b/libopie2/opienet/802_11_user.h
@@ -364,16 +364,30 @@ struct ieee_802_11_mgmt_body {
         //  struct ssid_tssid;
         //  struct rates_t rates;
         //  struct ds_tds;
         //  struct cf_tcf;
         //  struct fh_tfh;
         //  struct tim_ttim;
 };
 
+/* a 802.11 value */
+struct val_80211 {
+    unsigned int did;
+    unsigned short status, len;
+    unsigned int data;
+};
+
+/* header attached during prism monitor mode */
+struct prism_hdr {
+    unsigned int msgcode, msglen;
+    char devname[16];
+    struct val_80211 hosttime, mactime, channel, rssi, sq, signal,
+        noise, rate, istx, frmlen;
+};
 
 struct ieee_802_11_data_body {
 //FIXME
 };
 
 struct ieee_802_11_control_body {
 //FIXME
 };
diff --git a/libopie2/opienet/onetwork.cpp b/libopie2/opienet/onetwork.cpp
index be2736a..95e7043 100644
--- a/libopie2/opienet/onetwork.cpp
+++ b/libopie2/opienet/onetwork.cpp
@@ -646,17 +646,18 @@ void OWirelessNetworkInterface::setMonitorMode( bool 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;
+    return ( dataLinkType() == ARPHRD_IEEE80211 || dataLinkType() == 802 );
+    // 802 is the header type for PRISM - Linux support for this is pending...
 }
 
 
 QString OWirelessNetworkInterface::nickName() const
 {
     char str[IW_ESSID_MAX_SIZE];
     _iwr.u.data.pointer = &str[0];
     _iwr.u.data.length = IW_ESSID_MAX_SIZE;
@@ -928,17 +929,17 @@ OOrinocoMonitoringInterface::OOrinocoMonitoringInterface( ONetworkInterface* ifa
 
 OOrinocoMonitoringInterface::~OOrinocoMonitoringInterface()
 {
 }
 
 
 void OOrinocoMonitoringInterface::setChannel( int c )
 {
-    _if->setPrivate( "monitor", 2, 2, c );
+    _if->setPrivate( "monitor", 2, 1, c );
 }
 
 
 void OOrinocoMonitoringInterface::setEnabled( bool b )
 {
     if ( b )
     {
         setChannel( 1 );
diff --git a/libopie2/opienet/opcap.cpp b/libopie2/opienet/opcap.cpp
index e362883..675818e 100644
--- a/libopie2/opienet/opcap.cpp
+++ b/libopie2/opienet/opcap.cpp
@@ -60,16 +60,21 @@ OPacket::OPacket( int datalink, packetheaderstruct header, const unsigned char*
             new OEthernetPacket( _end, (const struct ether_header*) data, this );
             break;
 
         case DLT_IEEE802_11:
             qDebug( "OPacket::OPacket(): Received Packet. Datalink = IEEE802.11" );
             new OWaveLanPacket( _end, (const struct ieee_802_11_header*) data, this );
             break;
 
+        case DLT_PRISM_HEADER:
+            qDebug( "OPacket::OPacket(): Received Packet. Datalink = PRISM_HEADER" );
+            new OPrismHeaderPacket( _end, (const struct prism_hdr*) (unsigned char*) data, this );
+            break;
+
         default:
             qWarning( "OPacket::OPacket(): Received Packet over unsupported datalink '%s'!", datalink );
     }
 }
 
 
 OPacket::~OPacket()
 {
@@ -311,16 +316,42 @@ OTCPPacket::OTCPPacket( const unsigned char* end, const struct tcphdr* data, QOb
 }
 
 OTCPPacket::~OTCPPacket()
 {
 }
 
 
 /*======================================================================================
+ * 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 )
 
 {
diff --git a/libopie2/opienet/opcap.h b/libopie2/opienet/opcap.h
index fe88e68..83f7115 100644
--- a/libopie2/opienet/opcap.h
+++ b/libopie2/opienet/opcap.h
@@ -150,16 +150,35 @@ class OEthernetPacket : public QObject
     int type() const;
 
   private:
     const struct ether_header* _ether;
 };
 
 
 /*======================================================================================
+ * OPrismHeaderPacket - DLT_PRISM_HEADER frame
+ *======================================================================================*/
+
+class OPrismHeaderPacket : public QObject
+{
+  Q_OBJECT
+
+  public:
+    OPrismHeaderPacket( const unsigned char*, const struct prism_hdr*, QObject* parent = 0 );
+    virtual ~OPrismHeaderPacket();
+
+    unsigned int signalStrength() const;
+
+  private:
+    const struct prism_hdr* _header;
+};
+
+
+/*======================================================================================
  * OWaveLanPacket - DLT_IEEE802_11 frame
  *======================================================================================*/
 
 class OWaveLanPacket : public QObject
 {
   Q_OBJECT
 
   public: