public ISaslStep Transition(SaslConversation conversation, byte[] bytesReceivedFromServer)
{
// Even though RFC says that clients should specifically check this and raise an error
// if it isn't true, this breaks on Windows XP, so we are skipping the check for windows
// XP, identified as Win32NT 5.1: http://msdn.microsoft.com/en-us/library/windows/desktop/ms724832(v=vs.85).aspx
if (Environment.OSVersion.Platform != PlatformID.Win32NT ||
Environment.OSVersion.Version.Major != 5 ||
Environment.OSVersion.Version.Minor != 1)
{
if (bytesReceivedFromServer == null || bytesReceivedFromServer.Length != 32) //RFC specifies this must be 4 octets
{
throw new MongoSecurityException("Invalid server response.");
}
}
byte[] decryptedBytes;
try
{
_context.DecryptMessage(0, bytesReceivedFromServer, out decryptedBytes);
}
catch (Win32Exception ex)
{
throw new MongoSecurityException("Unabled to decrypt message.", ex);
}
int length = 4;
if (_authorizationId != null)
{
length += _authorizationId.Length;
}
bytesReceivedFromServer = new byte[length];
bytesReceivedFromServer[0] = 0x1; // NO_PROTECTION
bytesReceivedFromServer[1] = 0x0; // NO_PROTECTION
bytesReceivedFromServer[2] = 0x0; // NO_PROTECTION
bytesReceivedFromServer[3] = 0x0; // NO_PROTECTION
if (_authorizationId != null)
{
var authorizationIdBytes = Encoding.UTF8.GetBytes(_authorizationId);
authorizationIdBytes.CopyTo(bytesReceivedFromServer, 4);
}
byte[] bytesToSendToServer;
try
{
_context.EncryptMessage(bytesReceivedFromServer, out bytesToSendToServer);
}
catch (Win32Exception ex)
{
throw new MongoSecurityException("Unabled to encrypt message.", ex);
}
return(new SaslCompletionStep(bytesToSendToServer));
}
public ISaslStep Transition(SaslConversation conversation, byte[] bytesReceivedFromServer)
{
if (bytesReceivedFromServer == null || bytesReceivedFromServer.Length != 32) //RFC specifies this must be 4 octets
{
throw new MongoSecurityException("Invalid server response.");
}
byte[] decryptedBytes;
try
{
_context.DecryptMessage(0, bytesReceivedFromServer, out decryptedBytes);
}
catch (Win32Exception ex)
{
throw new MongoSecurityException("Unabled to decrypt message.", ex);
}
int length = 4;
if (_authorizationId != null)
{
length += _authorizationId.Length;
}
bytesReceivedFromServer = new byte[length];
bytesReceivedFromServer[0] = 0x1; // NO_PROTECTION
bytesReceivedFromServer[1] = 0x0; // NO_PROTECTION
bytesReceivedFromServer[2] = 0x0; // NO_PROTECTION
bytesReceivedFromServer[3] = 0x0; // NO_PROTECTION
if (_authorizationId != null)
{
var authorizationIdBytes = Encoding.UTF8.GetBytes(_authorizationId);
authorizationIdBytes.CopyTo(bytesReceivedFromServer, 4);
}
byte[] bytesToSendToServer;
try
{
_context.EncryptMessage(bytesReceivedFromServer, out bytesToSendToServer);
}
catch (Win32Exception ex)
{
throw new MongoSecurityException("Unabled to encrypt message.", ex);
}
return(new SaslCompletionStep(bytesToSendToServer));
}
