public NativeLibaryHandles LoadNativeLibariesIntoProcess(int processId)
{
var nativeHandles = new NativeLibaryHandles();
// geting the handle of the process - with required privileges
nativeHandles.ProcessHandle = OpenProcess(PROCESS_CREATE_THREAD | PROCESS_QUERY_INFORMATION | PROCESS_VM_OPERATION | PROCESS_VM_WRITE | PROCESS_VM_READ, false, processId);
NativeHelper.ThrowIfRequired(nativeHandles.ProcessHandle);
// searching for the address of LoadLibraryW and storing it in a pointer
var kernel32Handle = GetModuleHandle("kernel32.dll");
NativeHelper.ThrowIfRequired(kernel32Handle);
var functionExecutor = RemoteFunction.Locate(nativeHandles.ProcessHandle, kernel32Handle, nameof(LoadLibraryA));
var assemblyResolverPath = _nativeConfig.NativeLibDirectory + "\\" + _nativeConfig.AssemblyResolveHandle;
nativeHandles.AssemblyResolveHandleLibHandle = new IntPtr(functionExecutor.Execute(assemblyResolverPath));
if (nativeHandles.AssemblyResolveHandleLibHandle == IntPtr.Zero)
{
throw new NullReferenceException($"Cant load Library from {assemblyResolverPath}");
}
var ctosharp = _nativeConfig.NativeLibDirectory + "\\" + _nativeConfig.CtoSharpLib;
nativeHandles.CtoSharpLibHandle = new IntPtr(functionExecutor.Execute(ctosharp));
if (nativeHandles.CtoSharpLibHandle == IntPtr.Zero)
{
throw new NullReferenceException($"Cant load Library from {ctosharp}");
}
return(nativeHandles);
}
public static RemoteFunction Locate(IntPtr processHandle, IntPtr libaryReference, string functionName, Encoding encoding)
{
var functionReference = GetProcAddress(libaryReference, functionName);
NativeHelper.ThrowIfRequired(functionReference);
var remote = new RemoteFunction(processHandle, functionReference, encoding);
remote.Name = functionName;
return(remote);
}