public static CoffHeader Parse(BinaryReader reader)
{
uint signature = reader.ReadUInt32();
if (NTSignature != signature)
{
throw new Exception("Invalid COFF header signature");
}
CoffHeader header = new CoffHeader();
header.Machine = (CoffMachine)reader.ReadUInt16();
header.NumberOfSections = reader.ReadUInt16();
header.TimeDateStamp = reader.ReadUInt32();
header.PointerToSymbolTable = reader.ReadUInt32();
header.NumberOfSymbols = reader.ReadUInt32();
header.SizeOfOptionalHeader = reader.ReadUInt16();
header.Characteristics = (CoffFlags)reader.ReadUInt16();
return(header);
}
public void Parse(BinaryReader reader)
{
m_dosHeader = DosHeader.Parse(reader);
int dosStubSize = (int)(m_dosHeader.CoffHeaderOffset - reader.BaseStream.Position);
m_dosStubBytes = reader.ReadBytes(dosStubSize);
m_coffHeader = CoffHeader.Parse(reader);
m_peHeaderOffset = (uint)reader.BaseStream.Position;
m_peHeader = PEHeader.Parse(reader);
for (int i = 0; i < m_coffHeader.NumberOfSections; i++)
{
m_sectionHeaders.Add(PESectionHeader.Parse(reader));
}
int fillerSize = (int)(m_sectionHeaders[0].PointerToRawData - reader.BaseStream.Position);
m_filler = reader.ReadBytes(fillerSize);
for (int i = 0; i < m_coffHeader.NumberOfSections; i++)
{
byte[] sectionBytes = reader.ReadBytes((int)m_sectionHeaders[i].SizeOfRawData);
m_sections.Add(sectionBytes);
}
int remainingByteCount = (int)(reader.BaseStream.Length - reader.BaseStream.Position);
m_remainingBytes = reader.ReadBytes(remainingByteCount);
// file ends here
// Parse Import Directory:
PEDataDirectory importDirectoryEntry = m_peHeader.DataDirectories[(int)DataDirectoryName.Import];
if (importDirectoryEntry.VirtualAddress > 0)
{
uint importDirectoryFileOffset = GetOffsetFromRVA(importDirectoryEntry.VirtualAddress);
reader.BaseStream.Seek(importDirectoryFileOffset, SeekOrigin.Begin);
m_importDirectory = ImportDirectory.Parse(reader);
}
}
