public override void SendAsync(ServerAsyncEventArgs e)
{
try
{
Server <C> .Connection <C> tcpConnection = base.GetTcpConnection(e.RemoteEndPoint);
base.OnBeforeSend(tcpConnection, e);
if (tcpConnection == null)
{
e.Completed = new ServerAsyncEventArgs.CompletedEventHandler(base.Send_Completed);
e.SocketError = SocketError.NotConnected;
e.OnCompleted(null);
}
else
{
SspiContext sspiContext = tcpConnection.SspiContext;
SecPkgContext_StreamSizes streamSizes = sspiContext.StreamSizes;
int count = e.Count;
if (e.OffsetOffset < streamSizes.cbHeader)
{
throw new NotImplementedException("Ineffective way not implemented. Need to move buffer for SECBUFFER_STREAM_HEADER.");
}
e.OffsetOffset -= streamSizes.cbHeader;
e.Count = streamSizes.cbHeader + count + streamSizes.cbTrailer;
e.ReAllocateBuffer(true);
SecBufferDescEx secBufferDescEx = new SecBufferDescEx(new SecBufferEx[]
{
new SecBufferEx
{
BufferType = BufferType.SECBUFFER_STREAM_HEADER,
Buffer = e.Buffer,
Size = streamSizes.cbHeader,
Offset = e.Offset
},
new SecBufferEx
{
BufferType = BufferType.SECBUFFER_DATA,
Buffer = e.Buffer,
Size = count,
Offset = e.Offset + streamSizes.cbHeader
},
new SecBufferEx
{
BufferType = BufferType.SECBUFFER_STREAM_TRAILER,
Buffer = e.Buffer,
Size = streamSizes.cbTrailer,
Offset = e.Offset + streamSizes.cbHeader + count
},
new SecBufferEx
{
BufferType = BufferType.SECBUFFER_VERSION
}
});
Sspi.EncryptMessage(ref sspiContext.Handle, ref secBufferDescEx, 0u, null);
e.Count = secBufferDescEx.Buffers[0].Size + secBufferDescEx.Buffers[1].Size + secBufferDescEx.Buffers[2].Size;
e.ReAllocateBuffer(true);
base.SendAsync(tcpConnection, e);
}
}
catch (SspiException error)
{
e.SocketError = SocketError.Fault;
this.OnFailed(new ServerInfoEventArgs(this.realEndPoint, error));
}
}
public override unsafe void SendAsync(ServerAsyncEventArgs e)
{
try
{
var connection = GetTcpConnection(e.RemoteEndPoint);
OnBeforeSend(connection, e);
if (connection == null)
{
e.Completed = Send_Completed;
e.SocketError = SocketError.NotConnected;
e.OnCompleted(null);
return;
}
var context = connection.SspiContext;
var sizes = context.StreamSizes;
var dataCount = e.Count;
if (e.OffsetOffset >= sizes.cbHeader)
{
e.OffsetOffset -= sizes.cbHeader;
e.Count = sizes.cbHeader + dataCount + sizes.cbTrailer;
e.ReAllocateBuffer(true);
}
else
{
throw new NotImplementedException("Ineffective way not implemented. Need to move buffer for SECBUFFER_STREAM_HEADER.");
}
var message = new SecBufferDescEx(
new SecBufferEx[]
{
new SecBufferEx()
{
BufferType = BufferType.SECBUFFER_STREAM_HEADER, Buffer = e.Buffer, Size = sizes.cbHeader, Offset = e.Offset,
},
new SecBufferEx()
{
BufferType = BufferType.SECBUFFER_DATA, Buffer = e.Buffer, Size = dataCount, Offset = e.Offset + sizes.cbHeader,
},
new SecBufferEx()
{
BufferType = BufferType.SECBUFFER_STREAM_TRAILER, Buffer = e.Buffer, Size = sizes.cbTrailer, Offset = e.Offset + sizes.cbHeader + dataCount,
},
new SecBufferEx()
{
BufferType = BufferType.SECBUFFER_EMPTY,
},
});
Sspi.EncryptMessage(
ref context.Handle,
ref message,
0,
null);
e.Count = message.Buffers[0].Size + message.Buffers[1].Size + message.Buffers[2].Size;
e.ReAllocateBuffer(true);
base.SendAsync(connection, e);
}
catch (SspiException ex)
{
e.SocketError = SocketError.Fault;
OnFailed(new ServerInfoEventArgs(realEndPoint, ex));
}
}
