Implemented SSL connection for WebAdmin.

Fixes FS-319.

src/HTTPServer/SslHTTPConnection.cpp

@@ -0,0 +1,103 @@
+
+// SslHTTPConnection.cpp
+
+// Implements the cSslHTTPConnection class representing a HTTP connection made over a SSL link
+
+#include "Globals.h"
+#include "SslHTTPConnection.h"
+#include "HTTPServer.h"
+
+
+
+
+
+cSslHTTPConnection::cSslHTTPConnection(cHTTPServer & a_HTTPServer, const cX509CertPtr & a_Cert, const cPublicKeyPtr & a_PrivateKey) :
+	super(a_HTTPServer),
+	m_Ssl(64000),
+	m_Cert(a_Cert),
+	m_PrivateKey(a_PrivateKey)
+{
+	m_Ssl.Initialize(false);
+	m_Ssl.SetOwnCert(a_Cert, a_PrivateKey);
+}
+
+
+
+
+
+void cSslHTTPConnection::DataReceived(const char * a_Data, size_t a_Size)
+{
+	// If there is outgoing data in the queue, notify the server that it should write it out:
+	if (!m_OutgoingData.empty())
+	{
+		m_HTTPServer.NotifyConnectionWrite(*this);
+	}
+	
+	// Process the received data:
+	const char * Data = a_Data;
+	size_t Size = a_Size;
+	for (;;)
+	{
+		// Try to write as many bytes into Ssl's "incoming" buffer as possible:
+		size_t BytesWritten = 0;
+		if (Size > 0)
+		{
+			BytesWritten = m_Ssl.WriteIncoming(Data, Size);
+			Data += BytesWritten;
+			Size -= BytesWritten;
+		}
+		
+		// Try to read as many bytes from SSL's decryption as possible:
+		char Buffer[32000];
+		int NumRead = m_Ssl.ReadPlain(Buffer, sizeof(Buffer));
+		if (NumRead > 0)
+		{
+			super::DataReceived(Buffer, (size_t)NumRead);
+		}
+		
+		// If both failed, bail out:
+		if ((BytesWritten == 0) && (NumRead <= 0))
+		{
+			return;
+		}
+	}
+}
+
+
+
+
+
+void cSslHTTPConnection::GetOutgoingData(AString & a_Data)
+{
+	for (;;)
+	{
+		// Write as many bytes from our buffer to SSL's encryption as possible:
+		int NumWritten = 0;
+		if (!m_OutgoingData.empty())
+		{
+			NumWritten = m_Ssl.WritePlain(m_OutgoingData.data(), m_OutgoingData.size());
+			if (NumWritten > 0)
+			{
+				m_OutgoingData.erase(0, (size_t)NumWritten);
+			}
+		}
+		
+		// Read as many bytes from SSL's "outgoing" buffer as possible:
+		char Buffer[32000];
+		size_t NumBytes = m_Ssl.ReadOutgoing(Buffer, sizeof(Buffer));
+		if (NumBytes > 0)
+		{
+			a_Data.append(Buffer, NumBytes);
+		}
+		
+		// If both failed, bail out:
+		if ((NumWritten <= 0) && (NumBytes == 0))
+		{
+			return;
+		}
+	}
+}
+
+
+
+