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);
}
public byte[] HandleRequest(byte[] b)
{
RpcRequestMessage request = CreateRequest(b);
RpcResponseMessage response = CreateResponse(request);
byte[] responseBytes = CreateResponseArray(response);
return(responseBytes);
}
private static RpcRequestMessage CreateRequest(byte[] b)
{
using MemoryStream stream = new MemoryStream(b);
using BinaryReader binaryReader = new BinaryReader(stream);
RpcRequestMessage request = new RpcRequestMessage {
Version = binaryReader.ReadByte(), VersionMinor = binaryReader.ReadByte(), PacketType = binaryReader.ReadByte(), PacketFlags = binaryReader.ReadByte(), DataRepresentation = binaryReader.ReadUInt32(), FragLength = binaryReader.ReadUInt16(), AuthLength = binaryReader.ReadUInt16(), CallId = binaryReader.ReadUInt32(), AllocHint = binaryReader.ReadUInt32(), ContextId = binaryReader.ReadUInt16(), Opnum = binaryReader.ReadUInt16()
};
request.Data = binaryReader.ReadBytes((int)request.AllocHint);
return(request);
}
