Don't use GetImageConfigInformation

.adoc

TL;DR Don’t use GetImageConfigInformation.

GetImageConfigInformation bug

GetImageConfigInformation is hard coded that the Image Config Directory is 64 bytes.
It will not work in most environments.
Don’t use GetImageConfigInformation. This API is waste.

GetImageConfigInformation Implementation

BOOL IMAGEAPI GetImageConfigInformation(
  PLOADED_IMAGE                LoadedImage,
  PIMAGE_LOAD_CONFIG_DIRECTORY ImageConfigInformation
)
{
  if (!LoadedImage || !ImageConfigInformation)
  {
    SetLastError(ERROR_INVALID_PARAMETER);
    return FALSE;
  }
  if (LoadedImage->FileHeader->OptionalHeader.Magic != IMAGE_NT_OPTIONAL_HDR_MAGIC)
  {
    SetLastError(ERROR_INVALID_PARAMETER);
    return FALSE;
  }
  ULONG LoadConfigDirectorySize;
  PIMAGE_LOAD_CONFIG_DIRECTORY LoadConfigDirectoryAddress
    = ImageDirectoryEntryToDataEx(
        LoadedImage->MappedAddress,
        FALSE,
        IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG,
        &LoadConfigDirectorySize,
        NULL
        );
  if (!LoadConfigDirectoryAddress)
  {
    SetLastError(ERROR_INVALID_DATA);
    return FALSE;
  }
  if (LoadConfigDirectorySize != 64)
  {
    SetLastError(ERROR_INVALID_DATA);
    return FALSE;
  }
  if (LoadConfigDirectoryAddress->Size > 0 && LoadConfigDirectoryAddress->Size < 64)
  {
    SetLastError(ERROR_INVALID_DATA);
    return FALSE;
  }
  memcpy(ImageConfigInformation, LoadConfigDirectoryAddress, 64);
  return TRUE;
}