private uint RpcEntryPoint(IntPtr clientHandle, uint szInput, IntPtr input, out uint szOutput, out IntPtr output)
{
output = IntPtr.Zero;
szOutput = 0U;
try
{
byte[] numArray = new byte[szInput];
Marshal.Copy(input, numArray, 0, numArray.Length);
byte[] source;
using (RpcClientInfo rpcClientInfo = new RpcClientInfo(clientHandle))
source = this.Execute((IRpcClientInfo)rpcClientInfo, numArray);
if (source == null)
{
return(1715);
}
szOutput = (uint)source.Length;
output = RpcApi.Alloc(szOutput);
Marshal.Copy(source, 0, output, source.Length);
return(0);
}
catch (Exception ex)
{
RpcApi.Free(output);
output = IntPtr.Zero;
szOutput = 0U;
return(2147500037);
}
}
internal static void Free(IntPtr ptr)
{
if (!(ptr != IntPtr.Zero))
{
return;
}
RpcApi.LocalFree(ptr);
}
private static byte[] InvokeRpc(RpcHandle handle, Guid iid, byte[] input)
{
Ptr <MIDL_STUB_DESC> ptr1;
if (!handle.GetPtr <Ptr <MIDL_STUB_DESC> >(out ptr1))
{
ptr1 = handle.CreatePtr <MIDL_STUB_DESC>(new MIDL_STUB_DESC(handle, handle.Pin <RPC_CLIENT_INTERFACE>(new RPC_CLIENT_INTERFACE(iid)), RpcApi.TYPE_FORMAT, false));
}
int ResponseSize = 0;
IntPtr Response;
IntPtr num;
using (Ptr <byte[]> ptr2 = new Ptr <byte[]>(input))
{
if (RpcApi.Is64BitProcess)
{
try
{
num = RpcClientApi.NdrClientCall2x64(ptr1.Handle, RpcApi.FUNC_FORMAT_PTR.Handle, handle.Handle, input.Length, ptr2.Handle, out ResponseSize, out Response);
}
catch (SEHException ex)
{
throw;
}
}
else
{
using (Ptr <int[]> ptr3 = new Ptr <int[]>(new int[10]))
{
ptr3.Data[0] = handle.Handle.ToInt32();
ptr3.Data[1] = input.Length;
ptr3.Data[2] = ptr2.Handle.ToInt32();
ptr3.Data[3] = ptr3.Handle.ToInt32() + 24;
ptr3.Data[4] = ptr3.Handle.ToInt32() + 32;
ptr3.Data[5] = 0;
ptr3.Data[6] = 0;
ptr3.Data[8] = 0;
try
{
num = RpcClientApi.NdrClientCall2x86(ptr1.Handle, RpcApi.FUNC_FORMAT_PTR.Handle, ptr3.Handle);
}
catch (SEHException ex)
{
throw;
}
ResponseSize = ptr3.Data[6];
Response = new IntPtr(ptr3.Data[8]);
}
}
GC.KeepAlive((object)ptr2);
}
RpcException.Assert(num.ToInt32());
byte[] destination = new byte[ResponseSize];
if (ResponseSize > 0 && Response != IntPtr.Zero)
{
Marshal.Copy(Response, destination, 0, destination.Length);
}
RpcApi.Free(Response);
return(destination);
}
internal static IntPtr Alloc(uint size)
{
return(RpcApi.LocalAlloc(64U, size));
}