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authormickeyl <mickeyl>2004-01-08 17:21:28 (UTC)
committer mickeyl <mickeyl>2004-01-08 17:21:28 (UTC)
commit9634c11f8ea28af19a4afc6821c68cdc2b3e7c8a (patch) (side-by-side diff)
tree20fd8d9b8c17bad10fb43abf7fb7bbde28ea2c8b
parentde345d45e2336a67d837d342e6686266a25e9d58 (diff)
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add parsing of ProbeRequests
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--libopie2/opienet/opcap.cpp8
1 files changed, 6 insertions, 2 deletions
diff --git a/libopie2/opienet/opcap.cpp b/libopie2/opienet/opcap.cpp
index 4d786f5..7463320 100644
--- a/libopie2/opienet/opcap.cpp
+++ b/libopie2/opienet/opcap.cpp
@@ -703,50 +703,54 @@ bool OWaveLanPacket::toDS() const
bool OWaveLanPacket::usesPowerManagement() const
{
return FC_POWER_MGMT( EXTRACT_LE_16BITS( &_wlanhdr->frame_control ) );
}
bool OWaveLanPacket::usesWep() const
{
return FC_WEP( EXTRACT_LE_16BITS( &_wlanhdr->frame_control ) );
}
/*======================================================================================
* OWaveLanManagementPacket
*======================================================================================*/
OWaveLanManagementPacket::OWaveLanManagementPacket( const unsigned char* end, const struct ieee_802_11_mgmt_header* data, OWaveLanPacket* parent )
:QObject( parent, "802.11 Management" ), _header( data ),
_body( (const struct ieee_802_11_mgmt_body*) (data+1) )
{
odebug << "OWaveLanManagementPacket::OWaveLanManagementPacket(): decoding frame..." << oendl;
odebug << "Detected subtype is " << managementType() << oendl;
- // grab tagged values
- const unsigned char* ptr = (const unsigned char*) (_body+1);
+ // Grab tagged values.
+ // Beacons contain a 12 byte long fixed parameters set before the tagged parameters come,
+ // Other management frames don't - which is why we have to inspect the subtype here.
+
+ const unsigned char* ptr = managementType() == "Beacon" ? (const unsigned char*) (_body+1) : (const unsigned char*) (_header+1);
+
while (ptr < end)
{
switch ( *ptr )
{
case E_SSID: new OWaveLanManagementSSID( end, (struct ssid_t*) ptr, this ); break;
case E_FH: new OWaveLanManagementFH( end, (struct fh_t*) ptr, this ); break;
case E_DS: new OWaveLanManagementDS( end, (struct ds_t*) ptr, this ); break;
case E_RATES: new OWaveLanManagementRates( end, (struct rates_t*) ptr, this ); break;
case E_CF: new OWaveLanManagementCF( end, (struct cf_t*) ptr, this ); break;
case E_TIM: new OWaveLanManagementTim( end, (struct tim_t*) ptr, this ); break;
case E_IBSS: new OWaveLanManagementIBSS( end, (struct ibss_t*) ptr, this ); break;
case E_CHALLENGE: new OWaveLanManagementChallenge( end, (struct challenge_t*) ptr, this ); break;
}
ptr+= ( ( struct ssid_t* ) ptr )->length; // skip length of tagged value
ptr+= 2; // skip tag ID and length
}
}
OWaveLanManagementPacket::~OWaveLanManagementPacket()
{
}