private RpcResponseMessage CreateResponse(RpcRequestMessage request)
{
byte[] kmsRequestData = request.Data;
byte[] responseBytes = RequestMessageHandler.HandleRequest(kmsRequestData);
RpcResponseMessage response = new RpcResponseMessage {
Data = responseBytes
};
int envelopeLength = response.Data.Length;
response.Version = request.Version;
response.VersionMinor = request.VersionMinor;
response.PacketType = 0x02;
response.PacketFlags = 0x03;
response.DataRepresentation = request.DataRepresentation;
response.FragLength = (ushort)(24 + envelopeLength);
response.AuthLength = request.AuthLength;
response.CallId = request.CallId;
response.AllocHint = (uint)envelopeLength;
response.ContextId = request.ContextId;
response.CancelCount = 0x00;
response.Opnum = (byte)request.Opnum;
return(response);
}
private byte[] CreateResponseArray(RpcResponseMessage response)
{
using (MemoryStream stream = new MemoryStream())
{
using (BinaryWriter binaryWriter = new BinaryWriter(stream))
{
binaryWriter.Write(response.Version);
binaryWriter.Write(response.VersionMinor);
binaryWriter.Write(response.PacketType);
binaryWriter.Write(response.PacketFlags);
binaryWriter.Write(response.DataRepresentation);
binaryWriter.Write(response.FragLength);
binaryWriter.Write(response.AuthLength);
binaryWriter.Write(response.CallId);
binaryWriter.Write(response.AllocHint);
binaryWriter.Write(response.ContextId);
binaryWriter.Write(response.CancelCount);
binaryWriter.Write(response.Opnum);
binaryWriter.Write(response.Data);
binaryWriter.Flush();
stream.Position = 0;
return(stream.ToArray());
}
}
}
public byte[] HandleRequest(byte[] b)
{
RpcRequestMessage request = CreateRequest(b);
RpcResponseMessage response = CreateResponse(request);
byte[] responseBytes = CreateResponseArray(response);
return(responseBytes);
}