private void Init(Stream stream, string filePath, bool virt)
{
m_virt = virt;
m_stream = stream;
m_headerBuff = new PEBuffer(m_stream);
Header = new PEHeader(m_headerBuff.Fetch(0, 512), virt);
// We did not read in the complete header, Try again using the right sized buffer.
if (Header.PEHeaderSize > m_headerBuff.Length)
Header = new PEHeader(m_headerBuff.Fetch(0, Header.PEHeaderSize), virt);
if (Header.PEHeaderSize > m_headerBuff.Length)
throw new InvalidOperationException("Bad PE Header in " + filePath);
}
/// <summary>
/// Parses a PEFile from a given stream. If it is valid, a new PEFile object is
/// constructed and returned. Otherwise, null is returned.
/// </summary>
public static PEFile TryLoad(Stream stream, bool virt)
{
PEBuffer headerBuff = new PEBuffer(stream);
PEHeader hdr = PEHeader.FromBuffer(headerBuff, virt);
if (hdr == null)
{
return(null);
}
PEFile pefile = new PEFile();
pefile.Init(stream, "stream", virt, headerBuff, hdr);
return(pefile);
}
private void Init(Stream stream, string filePath, bool virt, PEBuffer buffer = null, PEHeader header = null)
{
if (buffer == null)
buffer = new PEBuffer(stream);
if (header == null)
header = PEHeader.FromBuffer(buffer, virt);
_virt = virt;
_stream = stream;
_headerBuff = buffer;
Header = header;
if (header != null && header.PEHeaderSize > _headerBuff.Length)
throw new InvalidOperationException("Bad PE Header in " + filePath);
}
internal static bool TryGetIndexProperties(Stream stream, bool virt, out int timestamp, out int filesize)
{
try
{
using PEFile pefile = new PEFile(stream, virt);
PEHeader header = pefile.Header;
timestamp = header.TimeDateStampSec;
filesize = (int)header.SizeOfImage;
return(true);
}
catch
{
timestamp = 0;
filesize = 0;
return(false);
}
}
internal static bool TryGetIndexProperties(string filename, out int timestamp, out int filesize)
{
try
{
using (PEFile pefile = new PEFile(filename))
{
PEHeader header = pefile.Header;
timestamp = header.TimeDateStampSec;
filesize = (int)header.SizeOfImage;
return(true);
}
}
catch
{
timestamp = 0;
filesize = 0;
return(false);
}
}
private void Init(Stream stream, string filePath, bool virt, PEBuffer buffer = null, PEHeader header = null)
{
if (buffer == null)
{
buffer = new PEBuffer(stream);
}
if (header == null)
{
header = PEHeader.FromBuffer(buffer, virt);
}
_virt = virt;
_stream = stream;
_headerBuff = buffer;
Header = header;
if (header != null && header.PEHeaderSize > _headerBuff.Length)
{
throw new InvalidOperationException("Bad PE Header in " + filePath);
}
}
