protected override void ReadInternal(Stream stream)
{
// Read IMAGE_DOS_HEADER
DosHeader = MarshalAt <DosHeader>(0);
if (!DosHeader.IsValid)
{
throw new Exception("Invalid DOS header");
}
// Read DOS stub program
var stubSize = DosHeader.AddressOfNewExeHeader - Stream.Position;
DosStubProgram = Reader.ReadBytes((int)stubSize);
// Read IMAGE_NT_HEADER (both archs)
NtHeader = new NtHeader(this);
if (!NtHeader.IsValid)
{
throw new Exception("Invalid PE header");
}
// Read sections
var sectionCount = NtHeader.FileHeader.NumberOfSections;
SectionHeaders = new List <SectionHeader>(sectionCount + 1);
for (var i = 0; i < sectionCount; i++)
{
SectionHeaders.Add(MarshalAt <SectionHeader>());
}
}
internal PEAction(FileStream file)
{
File = file;
Reader = new BinaryReader(file);
Writer = new BinaryWriter(file);
NTHeaderOffset = Reader.ReadStruct <DosHeader>().AddressOfNewExeHeader;
File.Seek(NTHeaderOffset, SeekOrigin.Begin);
NtHeader = Reader.ReadStruct <NtHeader>();
NtHeader.AssertHealth();
Dirs = new DataDir[16];
for (var i = 0; i < 16; i++)
{
Dirs[i] = Reader.ReadStruct <DataDir>();
}
Resolver = new AddressResolver(NtHeader.FileHeader.NumberOfSections);
for (uint i = 0; i < NtHeader.FileHeader.NumberOfSections; i++)
{
Resolver.Put(Reader.ReadStruct <SectionHeader>());
}
}