public Client(EndpointBindingInfo endpointBindingInfo)
{
_handle = new RpcClientHandle();
_protocol = endpointBindingInfo.Protseq;
_binding = stringBindingCompose(endpointBindingInfo, null);
RpcTrace.Verbose("Client('{0}:{1}')", endpointBindingInfo.NetworkAddr, endpointBindingInfo.EndPoint);
bindingFromStringBinding(_handle, _binding);
}
// Creates a string binding handle.
// This function is nothing more than a printf.
// Connection is not done here.
private static String stringBindingCompose(EndpointBindingInfo endpointBindingInfo,
String Options)
{
IntPtr lpBindingString;
RPC_STATUS result = NativeMethods.RpcStringBindingCompose(null, endpointBindingInfo.Protseq.ToString(), endpointBindingInfo.NetworkAddr, endpointBindingInfo.EndPoint, Options,
out lpBindingString);
Guard.Assert(result);
try
{
return(Marshal.PtrToStringUni(lpBindingString));
}
finally
{
Guard.Assert(NativeMethods.RpcStringFree(ref lpBindingString));
}
}
private void CreateRpcConnection(string server, RpcProtocol protocol, NetworkCredential credential = null)
{
EndpointBindingInfo binding;
switch(protocol)
{
case RpcProtocol.TCP:
binding = new EndpointBindingInfo(RpcProtseq.ncacn_ip_tcp, server, null);
break;
case RpcProtocol.SMB:
binding = new EndpointBindingInfo(RpcProtseq.ncacn_np, server, DrsNamedPipeName);
if(credential != null)
{
// Connect named pipe
this.npConnection = new NamedPipeConnection(server, credential);
}
break;
default:
// TODO: Custom exception type
// TODO: Extract as string
throw new Exception("Unsupported RPC protocol");
}
NetworkCredential rpcCredential = credential ?? Client.Self;
this.rpcConnection = new NativeClient(binding);
this.rpcConnection.AuthenticateAs(rpcCredential);
}