private ImportMethod[] ReadImportMethods(Structures.IMAGE_IMPORT_DESCRIPTOR rawImportDir)
{
List <ImportMethod> methods = new List <ImportMethod>();
int currentIndex = 0;
uint baseoffset = offsetConverter.RvaToFileOffset(rawImportDir.OriginalFirstThunk);
uint baseft = offsetConverter.RvaToFileOffset(rawImportDir.FirstThunk);
while (true)
{
uint methodOffset = 0;
uint ftOffset = 0;
ulong ofunction = ReadFunctionValue(baseoffset, currentIndex, out methodOffset);
ulong ft = ReadFunctionValue(baseft, currentIndex, out ftOffset);
if (ofunction == 0 && ft == 0)
{
break;
}
ushort hint = 0;
string name = ReadFunctionName(ofunction, out hint);
uint rva = (uint)(rawImportDir.FirstThunk + (currentIndex * (header.OptionalHeader.Is32Bit ? sizeof(uint) : sizeof(ulong))));
methods.Add(new ImportMethod((uint)ofunction, (uint)ft, rva, hint, name));
//advance to next function value
image.SetOffset(methodOffset + (header.OptionalHeader.Is32Bit ? sizeof(uint) : sizeof(ulong)));
currentIndex++;
}
return(methods.ToArray());
}
internal LibraryReference(PeImage image, uint offset, Structures.IMAGE_IMPORT_DESCRIPTOR rawDescriptor, string libraryName, ImportMethod[] importMethods)
{
this._image = image;
this._offset = offset;
this._rawDescriptor = rawDescriptor;
this.LibraryName = libraryName;
this.ImportMethods = importMethods;
}
internal LibraryReference(PeImage image, uint offset, Structures.IMAGE_IMPORT_DESCRIPTOR rawDescriptor, string libraryName, ImportMethod[] importMethods)
{
this._image = image;
this._offset = offset;
this._rawDescriptor = rawDescriptor;
this.LibraryName = libraryName;
this.ImportMethods = importMethods;
}
private string ReadLibraryName(Structures.IMAGE_IMPORT_DESCRIPTOR rawImportDir)
{
uint nameoffset = offsetConverter.RvaToFileOffset(rawImportDir.NameRVA);
return(image.ReadZeroTerminatedString(nameoffset));
}