/// <summary>
/// Constructor
/// </summary>
/// <param name="reader">PE file reader pointing to the start of this section</param>
/// <param name="totalSize">Total size of this optional header (from the file header)</param>
/// <param name="verify">Verify section</param>
/// <exception cref="BadImageFormatException">Thrown if verification fails</exception>
public ImageOptionalHeader32(ref DataReader reader, uint totalSize, bool verify)
{
if (totalSize < 0x60)
{
throw new BadImageFormatException("Invalid optional header size");
}
if (verify && (ulong)reader.Position + totalSize > reader.Length)
{
throw new BadImageFormatException("Invalid optional header size");
}
SetStartOffset(ref reader);
magic = reader.ReadUInt16();
majorLinkerVersion = reader.ReadByte();
minorLinkerVersion = reader.ReadByte();
sizeOfCode = reader.ReadUInt32();
sizeOfInitializedData = reader.ReadUInt32();
sizeOfUninitializedData = reader.ReadUInt32();
addressOfEntryPoint = (RVA)reader.ReadUInt32();
baseOfCode = (RVA)reader.ReadUInt32();
baseOfData = (RVA)reader.ReadUInt32();
imageBase = reader.ReadUInt32();
sectionAlignment = reader.ReadUInt32();
fileAlignment = reader.ReadUInt32();
majorOperatingSystemVersion = reader.ReadUInt16();
minorOperatingSystemVersion = reader.ReadUInt16();
majorImageVersion = reader.ReadUInt16();
minorImageVersion = reader.ReadUInt16();
majorSubsystemVersion = reader.ReadUInt16();
minorSubsystemVersion = reader.ReadUInt16();
win32VersionValue = reader.ReadUInt32();
sizeOfImage = reader.ReadUInt32();
sizeOfHeaders = reader.ReadUInt32();
checkSum = reader.ReadUInt32();
subsystem = (Subsystem)reader.ReadUInt16();
dllCharacteristics = (DllCharacteristics)reader.ReadUInt16();
sizeOfStackReserve = reader.ReadUInt32();
sizeOfStackCommit = reader.ReadUInt32();
sizeOfHeapReserve = reader.ReadUInt32();
sizeOfHeapCommit = reader.ReadUInt32();
loaderFlags = reader.ReadUInt32();
numberOfRvaAndSizes = reader.ReadUInt32();
for (int i = 0; i < dataDirectories.Length; i++)
{
uint len = reader.Position - (uint)startOffset;
if (len + 8 <= totalSize)
{
dataDirectories[i] = new ImageDataDirectory(ref reader, verify);
}
else
{
dataDirectories[i] = new ImageDataDirectory();
}
}
reader.Position = (uint)startOffset + totalSize;
SetEndoffset(ref reader);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="reader">PE file reader pointing to the start of this section</param>
/// <param name="totalSize">Total size of this optional header (from the file header)</param>
/// <param name="verify">Verify section</param>
/// <exception cref="BadImageFormatException">Thrown if verification fails</exception>
public ImageOptionalHeader32(IImageStream reader, uint totalSize, bool verify)
{
if (totalSize < 0x60)
{
throw new BadImageFormatException("Invalid optional header size");
}
if (verify && reader.Position + totalSize > reader.Length)
{
throw new BadImageFormatException("Invalid optional header size");
}
SetStartOffset(reader);
Magic = reader.ReadUInt16();
MajorLinkerVersion = reader.ReadByte();
MinorLinkerVersion = reader.ReadByte();
SizeOfCode = reader.ReadUInt32();
SizeOfInitializedData = reader.ReadUInt32();
SizeOfUninitializedData = reader.ReadUInt32();
AddressOfEntryPoint = (RVA)reader.ReadUInt32();
BaseOfCode = (RVA)reader.ReadUInt32();
BaseOfData = (RVA)reader.ReadUInt32();
imageBase = reader.ReadUInt32();
SectionAlignment = reader.ReadUInt32();
FileAlignment = reader.ReadUInt32();
MajorOperatingSystemVersion = reader.ReadUInt16();
MinorOperatingSystemVersion = reader.ReadUInt16();
MajorImageVersion = reader.ReadUInt16();
MinorImageVersion = reader.ReadUInt16();
MajorSubsystemVersion = reader.ReadUInt16();
MinorSubsystemVersion = reader.ReadUInt16();
Win32VersionValue = reader.ReadUInt32();
SizeOfImage = reader.ReadUInt32();
SizeOfHeaders = reader.ReadUInt32();
CheckSum = reader.ReadUInt32();
Subsystem = (Subsystem)reader.ReadUInt16();
DllCharacteristics = (DllCharacteristics)reader.ReadUInt16();
sizeOfStackReserve = reader.ReadUInt32();
sizeOfStackCommit = reader.ReadUInt32();
sizeOfHeapReserve = reader.ReadUInt32();
sizeOfHeapCommit = reader.ReadUInt32();
LoaderFlags = reader.ReadUInt32();
NumberOfRvaAndSizes = reader.ReadUInt32();
for (var i = 0; i < DataDirectories.Length; i++)
{
var len = (uint)(reader.Position - startOffset);
if (len + 8 <= totalSize)
{
DataDirectories[i] = new ImageDataDirectory(reader, verify);
}
else
{
DataDirectories[i] = new ImageDataDirectory();
}
}
reader.Position = (long)startOffset + totalSize;
SetEndoffset(reader);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="reader">PE file reader pointing to the start of this section</param>
/// <param name="verify">Verify section</param>
/// <exception cref="BadImageFormatException">Thrown if verification fails</exception>
public ImageCor20Header(IImageStream reader, bool verify) {
SetStartOffset(reader);
this.cb = reader.ReadUInt32();
if (verify && this.cb < 0x48)
throw new BadImageFormatException("Invalid IMAGE_COR20_HEADER.cb value");
this.majorRuntimeVersion = reader.ReadUInt16();
this.minorRuntimeVersion = reader.ReadUInt16();
this.metaData = new ImageDataDirectory(reader, verify);
this.flags = (ComImageFlags)reader.ReadUInt32();
this.entryPointToken_or_RVA = reader.ReadUInt32();
this.resources = new ImageDataDirectory(reader, verify);
this.strongNameSignature = new ImageDataDirectory(reader, verify);
this.codeManagerTable = new ImageDataDirectory(reader, verify);
this.vtableFixups = new ImageDataDirectory(reader, verify);
this.exportAddressTableJumps = new ImageDataDirectory(reader, verify);
this.managedNativeHeader = new ImageDataDirectory(reader, verify);
SetEndoffset(reader);
}
static void WriteDataDirectory(BinaryWriter writer, ImageDataDirectory dataDir)
{
writer.Write((uint)dataDir.VirtualAddress);
writer.Write(dataDir.Size);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="reader">PE file reader pointing to the start of this section</param>
/// <param name="totalSize">Total size of this optional header (from the file header)</param>
/// <param name="verify">Verify section</param>
/// <exception cref="BadImageFormatException">Thrown if verification fails</exception>
public ImageOptionalHeader32(IImageStream reader, uint totalSize, bool verify) {
if (totalSize < 0x60)
throw new BadImageFormatException("Invalid optional header size");
if (verify && reader.Position + totalSize > reader.Length)
throw new BadImageFormatException("Invalid optional header size");
SetStartOffset(reader);
this.magic = reader.ReadUInt16();
this.majorLinkerVersion = reader.ReadByte();
this.minorLinkerVersion = reader.ReadByte();
this.sizeOfCode = reader.ReadUInt32();
this.sizeOfInitializedData = reader.ReadUInt32();
this.sizeOfUninitializedData = reader.ReadUInt32();
this.addressOfEntryPoint = (RVA)reader.ReadUInt32();
this.baseOfCode = (RVA)reader.ReadUInt32();
this.baseOfData = (RVA)reader.ReadUInt32();
this.imageBase = reader.ReadUInt32();
this.sectionAlignment = reader.ReadUInt32();
this.fileAlignment = reader.ReadUInt32();
this.majorOperatingSystemVersion = reader.ReadUInt16();
this.minorOperatingSystemVersion = reader.ReadUInt16();
this.majorImageVersion = reader.ReadUInt16();
this.minorImageVersion = reader.ReadUInt16();
this.majorSubsystemVersion = reader.ReadUInt16();
this.minorSubsystemVersion = reader.ReadUInt16();
this.win32VersionValue = reader.ReadUInt32();
this.sizeOfImage = reader.ReadUInt32();
this.sizeOfHeaders = reader.ReadUInt32();
this.checkSum = reader.ReadUInt32();
this.subsystem = (Subsystem)reader.ReadUInt16();
this.dllCharacteristics = (DllCharacteristics)reader.ReadUInt16();
this.sizeOfStackReserve = reader.ReadUInt32();
this.sizeOfStackCommit = reader.ReadUInt32();
this.sizeOfHeapReserve = reader.ReadUInt32();
this.sizeOfHeapCommit = reader.ReadUInt32();
this.loaderFlags = reader.ReadUInt32();
this.numberOfRvaAndSizes = reader.ReadUInt32();
for (int i = 0; i < dataDirectories.Length; i++) {
uint len = (uint)(reader.Position - startOffset);
if (len + 8 <= totalSize)
dataDirectories[i] = new ImageDataDirectory(reader, verify);
else
dataDirectories[i] = new ImageDataDirectory();
}
reader.Position = (long)startOffset + totalSize;
SetEndoffset(reader);
}