public CompatibilityResult(RecordLayer rl, SslRecordStatus status)
{
this.RecordLayer = rl;
this.Status = status;
}
public CompatibilityResult(RecordLayer rl, SslRecordStatus status)
{
this.RecordLayer = rl;
this.Status = status;
}
public SslRecordStatus ProcessBytes(byte[] buffer, int offset, int size) {
if (buffer == null)
throw new ArgumentNullException();
if (offset < 0 || offset + size > buffer.Length || size <= 0)
throw new ArgumentException();
SslRecordStatus ret = new SslRecordStatus();
ret.Status = SslStatus.MessageIncomplete;
MemoryStream decrypted = new MemoryStream();
MemoryStream protocol = new MemoryStream();
// copy the new bytes and the old bytes in one buffer
byte[] fullbuffer = new byte[m_IncompleteMessage.Length + size];
Array.Copy(m_IncompleteMessage, 0, fullbuffer, 0, m_IncompleteMessage.Length);
Array.Copy(buffer, offset, fullbuffer, m_IncompleteMessage.Length, size);
// extract all record messages, if any, and process them
int recordSize = 0;
int recordLength;
while(IsRecordMessageComplete(fullbuffer, recordSize)) {
RecordMessage message = new RecordMessage(fullbuffer, recordSize);
recordLength = message.length + 5;
UnwrapMessage(message); // decrypt and verify message
// process message
if (message.contentType == ContentType.ApplicationData) {
if (!m_HandshakeLayer.IsNegotiating()) {
decrypted.Write(message.fragment, 0, message.fragment.Length);
} else {
throw new SslException(AlertDescription.UnexpectedMessage, "The handshake procedure was not completed successfully before application data was received.");
}
ret.Status = SslStatus.OK;
} else { // handshake message or change cipher spec message
SslHandshakeStatus status = m_HandshakeLayer.ProcessMessages(message);
if (status.Message != null)
protocol.Write(status.Message, 0, status.Message.Length);
ret.Status = status.Status;
}
recordSize += recordLength;
}
// copy remaining data [incomplete record]
if (recordSize > 0) {
m_IncompleteMessage = new byte[fullbuffer.Length - recordSize];
Array.Copy(fullbuffer, recordSize, m_IncompleteMessage, 0, m_IncompleteMessage.Length);
} else {
m_IncompleteMessage = fullbuffer;
}
if (decrypted.Length > 0) {
ret.Decrypted = decrypted.ToArray();
}
decrypted.Close();
if (protocol.Length > 0) {
ret.Buffer = protocol.ToArray();
}
protocol.Close();
return ret;
}
public SslRecordStatus ProcessBytes(byte[] buffer, int offset, int size)
{
if (buffer == null)
{
throw new ArgumentNullException();
}
if (offset < 0 || offset + size > buffer.Length || size <= 0)
{
throw new ArgumentException();
}
SslRecordStatus ret = new SslRecordStatus();
ret.Status = SslStatus.MessageIncomplete;
MemoryStream decrypted = new MemoryStream();
MemoryStream protocol = new MemoryStream();
// copy the new bytes and the old bytes in one buffer
byte[] fullbuffer = new byte[m_IncompleteMessage.Length + size];
Array.Copy(m_IncompleteMessage, 0, fullbuffer, 0, m_IncompleteMessage.Length);
Array.Copy(buffer, offset, fullbuffer, m_IncompleteMessage.Length, size);
// extract all record messages, if any, and process them
int recordSize = 0;
int recordLength;
while (IsRecordMessageComplete(fullbuffer, recordSize))
{
RecordMessage message = new RecordMessage(fullbuffer, recordSize);
recordLength = message.length + 5;
UnwrapMessage(message); // decrypt and verify message
// process message
if (message.contentType == ContentType.ApplicationData)
{
if (!m_HandshakeLayer.IsNegotiating())
{
decrypted.Write(message.fragment, 0, message.fragment.Length);
}
else
{
throw new SslException(AlertDescription.UnexpectedMessage, "The handshake procedure was not completed successfully before application data was received.");
}
ret.Status = SslStatus.OK;
}
else // handshake message or change cipher spec message
{
SslHandshakeStatus status = m_HandshakeLayer.ProcessMessages(message);
if (status.Message != null)
{
protocol.Write(status.Message, 0, status.Message.Length);
}
ret.Status = status.Status;
}
recordSize += recordLength;
}
// copy remaining data [incomplete record]
if (recordSize > 0)
{
m_IncompleteMessage = new byte[fullbuffer.Length - recordSize];
Array.Copy(fullbuffer, recordSize, m_IncompleteMessage, 0, m_IncompleteMessage.Length);
}
else
{
m_IncompleteMessage = fullbuffer;
}
if (decrypted.Length > 0)
{
ret.Decrypted = decrypted.ToArray();
}
decrypted.Close();
if (protocol.Length > 0)
{
ret.Buffer = protocol.ToArray();
}
protocol.Close();
return(ret);
}
