/// <summary>
/// Initializes a new instance of the <see cref="PortableExecutableHeader"/> class using the specified path of a portable executable image."/>
/// </summary>
/// <param name="path">The path of the executable image.</param>
public PortableExecutableHeader(string path)
{
Path = path;
ImageDosHeader = IMAGE_DOS_HEADER.Read(path);
ReadImageNTHeaders();
if (IsValidNTHeader)
{
ReadImageSectionHeaders();
if (CLRRuntimeHeader.VirtualAddress != 0)
{
IMAGE_SECTION_HEADER section = GetSectionFromRva(CLRRuntimeHeader.VirtualAddress);
uint clrOffset = CLRRuntimeHeader.VirtualAddress - section.VirtualAddress + section.PointerToRawData;
_imageCor20Header = IMAGE_COR20_HEADER.Read(Path, clrOffset);
}
}
}
/// <summary>
/// Reads the <see cref="IMAGE_DOS_HEADER"/> of an executable file.
/// </summary>
/// <param name="path">The path of the executable.</param>
/// <returns>The <see cref="IMAGE_DOS_HEADER"/> of the executable file.</returns>
public static IMAGE_DOS_HEADER Read(string path)
{
if (String.IsNullOrEmpty(path))
{
throw new ArgumentNullException("path");
}
using (FileStream stream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read))
using (BinaryReader reader = new BinaryReader(stream))
{
reader.BaseStream.Seek(0, SeekOrigin.Begin);
var _imageDOSHeader = new IMAGE_DOS_HEADER
{
e_magic = reader.ReadUInt16(),
e_cblp = reader.ReadUInt16(),
e_cp = reader.ReadUInt16(),
e_crlc = reader.ReadUInt16(),
e_cparhdr = reader.ReadUInt16(),
e_minalloc = reader.ReadUInt16(),
e_maxalloc = reader.ReadUInt16(),
e_ss = reader.ReadUInt16(),
e_sp = reader.ReadUInt16(),
e_csum = reader.ReadUInt16(),
e_ip = reader.ReadUInt16(),
e_cs = reader.ReadUInt16(),
elfarlc = reader.ReadUInt16(),
e_ovno = reader.ReadUInt16(),
e_res = new UInt16[] { reader.ReadUInt16(), reader.ReadUInt16(), reader.ReadUInt16(), reader.ReadUInt16() },
e_oemid = reader.ReadUInt16(),
e_oeminfo = reader.ReadUInt16(),
e_res2 = new UInt16[] { reader.ReadUInt16(), reader.ReadUInt16(), reader.ReadUInt16(), reader.ReadUInt16(), reader.ReadUInt16(), reader.ReadUInt16(), reader.ReadUInt16(), reader.ReadUInt16(), reader.ReadUInt16(), reader.ReadUInt16() },
e_lfanew = reader.ReadUInt32(),
};
return(_imageDOSHeader);
}
}
