Limit the maximal read buffer space that is used for every socket

CSocket caches the data read from a socket and then looks for lines in there.
If there is no line end, this buffer can grow quite large. This patch now
closes sockets if they get a huge read buffer.


git-svn-id: https://znc.svn.sourceforge.net/svnroot/znc/trunk@1233 726aef4b-f618-498e-8847-2d620e286838

DCCBounce.cpp

@@ -38,6 +38,15 @@ void CDCCBounce::ReadLine(const CString& sData) {
 	PutPeer(sLine);
 }
 
+void CDCCBounce::ReachedMaxBuffer() {
+	DEBUG_ONLY(cout << GetSockName() << " == ReachedMaxBuffer()" << endl);
+
+	CString sType = (m_bIsChat) ? "Chat" : "Xfer";
+
+	m_pUser->PutStatus("DCC " + sType + " Bounce (" + m_sRemoteNick + "): Too long line received");
+	Close();
+}
+
 void CDCCBounce::ReadData(const char* data, int len) {
 	size_t BufLen;