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CSniffingSocket::OnSocketReceive() |
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Private Function (Not Declared) |
Declared in: TCPPortScannerStealth.h |
Declaration
BOOL CSniffingSocket::OnSocketReceive(
int iErrorCode);
Function Body
try
{
char cBuffer[2000];
//First receive the packet
int iReceive;
iReceive=Receive(cBuffer,
sizeof(cBuffer));
//Are we stopped
if (m_bStop)
return FALSE;
if (iReceive==GetErrorCode())
return FALSE;
//Copy the header
IpHeader aHeader;
memcpy(&aHeader,
cBuffer,
IpHeaderLength);
//Check the data is not from us (altough someone may want to save this data)
if (aHeader.ucProtocol==IPPROTO_TCP &&
aHeader.ulDestinationAddress==m_pFather->GetBindInterface() &&
aHeader.ulSourceAddress==m_pFather->GetTarget())
{
//Find the size of IP header (may have options)
unsigned long ulHeaderSize;
ulHeaderSize=(aHeader.ucHeaderLength_Version & 0x0f) << 2;
//And check is it the scan ?
AnalyzeTCP(cBuffer+ulHeaderSize);
}
//Done
return TRUE;
}
ERROR_HANDLER_RETURN("OnSocketReceive",TRUE)
See Also
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