public ResourceDirectoryEntry(PEFile pe, Boolean isNamed, BinaryReader rdr)
{
IsNamed = isNamed;
Identifier = rdr.ReadUInt32();
ChildRva = rdr.ReadUInt32();
long currentPosition = rdr.BaseStream.Position;
SectionTableEntry?section;
UInt32 childOffset = pe.RvaToFileOffset(ChildRvaAddress, out section);
rdr.BaseStream.Seek(childOffset, SeekOrigin.Begin);
if (IsLeaf)
{
LeafData = new ResourceDataEntry(rdr);
}
else
{
Subdirectory = new ResourceDirectoryTable(pe, rdr);
}
rdr.BaseStream.Seek(currentPosition, SeekOrigin.Begin);
}
public void GetResources()
{
var resourceTableIdx = (int)CoffImageDirectoriesIndex.ResourceTable;
var directories = GetDataDirectory();
if (directories.Length <= resourceTableIdx)
{
throw new PEResourceException("The PE Image does not contain a resource directory.");
}
var resourceDirectory = directories[resourceTableIdx];
if (resourceDirectory.VirtualAddress == 0 || resourceDirectory.Size == 0)
{
throw new PEResourceException("The PE Image does not contain any resource data.");
}
//////////////////////////////////////////
var fileOffset = _pe.RvaToFileOffset(resourceDirectory.VirtualAddress, out var sectionTemp);
if (fileOffset == 0 && sectionTemp == null)
{
throw new PEResourceException("The PE Image's resource directory does not exist within a section.");
}
var section = sectionTemp.Value;
// Ensure the resource section is the same size (and address) as the resource directory entry says
if (resourceDirectory.Size != section.VirtualSize ||
resourceDirectory.VirtualAddress != section.VirtualAddress)
{
throw new PEResourceException(
"The PE Image's declared resource directory does not coincide with the size and location of the .rsrc section."
);
}
// Apparently SizeOfRawData can be smaller than VirtualSize for .rsrc sections, according to the spec the rest should be filled with zeros
// So I hope this doesn't affect the parsing of the actual data...
////////////////////////////////////////////////////
// Read the Resource Directories
_fs.Seek(fileOffset, SeekOrigin.Begin);
var rdr = new BinaryReader(_fs);
var rootTable = new ResourceDirectoryTable(_pe, rdr);
}
