protected BinaryParser OpenDirectory(PEDataDirectory dir)
{
PESection section = FindSectionByRva(dir.VirtualAddress);
if (section == null)
{
InvalidPEFileException.ThrowInvalidRva();
}
uint index = (section.PointerToRawData + (dir.VirtualAddress - section.VirtualAdress));
uint count = (dir.Size);
Stream imageStream = OpenImage(index);
return(new BinaryParser(imageStream, index));
}
public static DosHeader Parse(BinaryReader br)
{
PscxArgumentException.ThrowIfIsNull(br);
ushort signature = br.ReadUInt16();
if (DosSignature != signature)
{
InvalidPEFileException.ThrowInvalidDosHeader();
}
DosHeader hdr = new DosHeader();
hdr.BytesOnLastPage = br.ReadUInt16();
hdr.PageCount = br.ReadUInt16();
hdr.RelocationCount = br.ReadUInt16();
hdr.HeaderSize = br.ReadUInt16();
hdr.MinExtraParagraphs = br.ReadUInt16();
hdr.MaxExtraParagraphs = br.ReadUInt16();
hdr.InitialSS = br.ReadUInt16();
hdr.InitialSP = br.ReadUInt16();
hdr.Checksum = br.ReadUInt16();
hdr.InitialIP = br.ReadUInt16();
hdr.InitialCS = br.ReadUInt16();
hdr.RelocationTableOffset = br.ReadUInt16();
hdr.OverlayNumber = br.ReadUInt16();
// reserved words
for (int i = 0; i < 4; i++)
{
br.ReadUInt16();
}
hdr.OemID = br.ReadUInt16();
hdr.OemInfo = br.ReadUInt16();
// reserved words
for (int i = 0; i < 10; i++)
{
br.ReadUInt16();
}
hdr.CoffHeaderOffset = br.ReadUInt32();
return(hdr);
}
public static PEHeader Parse(BinaryParser br)
{
PEHeaderType signature = (PEHeaderType)br.ReadUInt16();
if (!Enum.IsDefined(typeof(PEHeaderType), signature))
{
InvalidPEFileException.ThrowInvalidPEHeader();
}
PEHeader hdr = new PEHeader();
hdr.Type = signature;
hdr.LinkerVersion = new Version(br.ReadByte(), br.ReadByte());
hdr.SizeOfCode = br.ReadUInt32();
hdr.SizeOfInitializedData = br.ReadUInt32();
hdr.SizeOfUninitializedData = br.ReadUInt32();
hdr.AddressOfEntryPoint = br.ReadUInt32();
hdr.BaseOfCode = br.ReadUInt32();
if (signature == PEHeaderType.PE64)
{
hdr.ImageBase = br.ReadUInt64();
}
else
{
hdr.BaseOfData = br.ReadUInt32();
hdr.ImageBase = br.ReadUInt32();
}
hdr.SectionAlignment = br.ReadUInt32();
hdr.FileAlignment = br.ReadUInt32();
hdr.OperatingSystemVersion = new Version(br.ReadUInt16(), br.ReadUInt16());
hdr.ImageVersion = new Version(br.ReadUInt16(), br.ReadUInt16());
hdr.SubsystemVersion = new Version(br.ReadUInt16(), br.ReadUInt16());
hdr.Win32VersionValue = br.ReadUInt32();
hdr.SizeOfImage = br.ReadUInt32();
hdr.SizeOfHeaders = br.ReadUInt32();
hdr.Checksum = br.ReadUInt32();
hdr.Subsystem = (PESubsystem)br.ReadUInt16();
hdr.DllCharacteristics = (PEDllCharacteristics)br.ReadUInt16();
if (signature == PEHeaderType.PE64)
{
hdr.SizeOfStackReserve = br.ReadUInt64();
hdr.SizeOfStackCommit = br.ReadUInt64();
hdr.SizeOfHeapReserve = br.ReadUInt64();
hdr.SizeOfHeapCommit = br.ReadUInt64();
}
else
{
hdr.SizeOfStackReserve = br.ReadUInt32();
hdr.SizeOfStackCommit = br.ReadUInt32();
hdr.SizeOfHeapReserve = br.ReadUInt32();
hdr.SizeOfHeapCommit = br.ReadUInt32();
}
hdr.LoaderFlags = br.ReadUInt32();
hdr.DataDirectories = new PEDataDirectory[br.ReadUInt32()];
for (int i = 0; i < hdr.DataDirectories.Length; i++)
{
hdr.DataDirectories[i] = br.ReadRecord <PEDataDirectory>();
}
return(hdr);
}
