public static void Erase(NativeModuleWriter writer, ModuleDefMD module)
{
if (writer == null || module == null)
return;
var sects = (IList)origSects.GetValue(writer);
var sections = new List<Tuple<uint, uint, byte[]>>();
var s = new MemoryStream();
foreach (var origSect in sects) {
var oldChunk = (BinaryReaderChunk)chunk.GetValue(origSect);
var sectHdr = (ImageSectionHeader)peSection.GetValue(origSect);
s.SetLength(0);
oldChunk.WriteTo(new BinaryWriter(s));
var buf = s.ToArray();
var newChunk = new BinaryReaderChunk(MemoryImageStream.Create(buf), oldChunk.GetVirtualSize());
newChunk.SetOffset(oldChunk.FileOffset, oldChunk.RVA);
chunk.SetValue(origSect, newChunk);
sections.Add(Tuple.Create(
sectHdr.PointerToRawData,
sectHdr.PointerToRawData + sectHdr.SizeOfRawData,
buf));
}
var md = module.MetaData;
var row = md.TablesStream.MethodTable.Rows;
for (uint i = 1; i <= row; i++) {
var method = md.TablesStream.ReadMethodRow(i);
var codeType = ((MethodImplAttributes)method.ImplFlags & MethodImplAttributes.CodeTypeMask);
if (codeType == MethodImplAttributes.IL)
Erase(sections, (uint)md.PEImage.ToFileOffset((RVA)method.RVA));
}
var res = md.ImageCor20Header.Resources;
if (res.Size > 0)
Erase(sections, (uint)res.StartOffset, res.Size);
Erase(sections, md.ImageCor20Header);
Erase(sections, md.MetaDataHeader);
foreach (var stream in md.AllStreams)
Erase(sections, stream);
}
/// <summary>
/// Writes the mixed-mode module to a stream.
/// </summary>
/// <param name="dest">Destination stream</param>
/// <param name="options">Writer options</param>
public void NativeWrite(Stream dest, DNW.NativeModuleWriterOptions options)
{
var writer = new DNW.NativeModuleWriter(this, options ?? new DNW.NativeModuleWriterOptions(this));
writer.Write(dest);
}
/// <summary>
/// Writes the mixed-mode module to a file on disk. If the file exists, it will be overwritten.
/// </summary>
/// <param name="filename">Filename</param>
/// <param name="options">Writer options</param>
public void NativeWrite(string filename, DNW.NativeModuleWriterOptions options)
{
var writer = new DNW.NativeModuleWriter(this, options ?? new DNW.NativeModuleWriterOptions(this));
writer.Write(filename);
}