sizeof(ushort); // Characteristics
internal CoffHeader(ref PEBinaryReader reader)
{
Machine = (Machine)reader.ReadUInt16();
NumberOfSections = reader.ReadInt16();
TimeDateStamp = reader.ReadInt32();
PointerToSymbolTable = reader.ReadInt32();
NumberOfSymbols = reader.ReadInt32();
SizeOfOptionalHeader = reader.ReadInt16();
Characteristics = (Characteristics)reader.ReadUInt16();
}
internal CoffHeader(ref PEBinaryReader reader)
{
Machine = (Machine)reader.ReadUInt16();
NumberOfSections = reader.ReadInt16();
TimeDateStamp = reader.ReadInt32();
PointerToSymbolTable = reader.ReadInt32();
NumberOfSymbols = reader.ReadInt32();
SizeOfOptionalHeader = reader.ReadInt16();
Characteristics = (Characteristics)reader.ReadUInt16();
}
/// <summary>
/// Creates and hydrates a memory block representing data in the specified range.
/// </summary>
/// <param name="start">Starting offset relative to the beginning of the data represented by this provider.</param>
/// <param name="size">Size of the resulting block.</param>
/// <exception cref="IOException">Error while reading from the memory source.</exception>
public AbstractMemoryBlock GetMemoryBlock(int start, int size)
{
// Add canot overflow as it is the sum of two 32-bit values done in 64 bits.
// Negative start or size is handle by overflow to greater than maximum size = int.MaxValue.
if ((ulong)(unchecked ((uint)start)) + unchecked ((uint)size) > (ulong)this.Size)
{
PEBinaryReader.ThrowImageTooSmallOrContainsInvalidOffsetOrCount();
}
return(GetMemoryBlockImpl(start, size));
}
public void ReadNullPaddedUTF8WorksWithNoNullPadding()
{
var headerBytes = Encoding.UTF8.GetBytes(".abcdefg");
var stream = new MemoryStream(headerBytes);
stream.Position = 0;
var reader = new PEBinaryReader(stream, headerBytes.Length);
var text = reader.ReadNullPaddedUTF8(PEFileConstants.SizeofSectionName);
Assert.Equal(".abcdefg", text);
}
public void ReadNullPaddedUTF8WorksWithNoNullPadding()
{
var headerBytes = Encoding.UTF8.GetBytes(".abcdefg");
var stream = new MemoryStream(headerBytes);
stream.Position = 0;
var reader = new PEBinaryReader(stream, headerBytes.Length);
var text = reader.ReadNullPaddedUTF8(SectionHeader.NameSize);
Assert.Equal(".abcdefg", text);
}
public void ReadNullPaddedUTF8WorksWithNoNullPadding()
{
var headerBytes = Encoding.UTF8.GetBytes(".abcdefg");
var stream = new MemoryStream(headerBytes);
stream.Position = 0;
var reader = new PEBinaryReader(stream, headerBytes.Length);
var text = reader.ReadNullPaddedUTF8(PEFileConstants.SizeofSectionName);
AssertEx.AreEqual(".abcdefg", text, "PEBinaryReader.ReadNullPaddedUTF8 erroneously truncated a section name");
}
internal SectionHeader(ref PEBinaryReader reader)
{
_name = reader.ReadNullPaddedUTF8(PEFileConstants.SizeofSectionName);
_virtualSize = reader.ReadInt32();
_virtualAddress = reader.ReadInt32();
_sizeOfRawData = reader.ReadInt32();
_pointerToRawData = reader.ReadInt32();
_pointerToRelocations = reader.ReadInt32();
_pointerToLineNumbers = reader.ReadInt32();
_numberOfRelocations = reader.ReadUInt16();
_numberOfLineNumbers = reader.ReadUInt16();
_sectionCharacteristics = (SectionCharacteristics)reader.ReadUInt32();
}
internal SectionHeader(ref PEBinaryReader reader)
{
_name = reader.ReadNullPaddedUTF8(PEFileConstants.SizeofSectionName);
_virtualSize = reader.ReadInt32();
_virtualAddress = reader.ReadInt32();
_sizeOfRawData = reader.ReadInt32();
_pointerToRawData = reader.ReadInt32();
_pointerToRelocations = reader.ReadInt32();
_pointerToLineNumbers = reader.ReadInt32();
_numberOfRelocations = reader.ReadUInt16();
_numberOfLineNumbers = reader.ReadUInt16();
_sectionCharacteristics = (SectionCharacteristics)reader.ReadUInt32();
}
sizeof(int); // SectionCharacteristics
internal SectionHeader(ref PEBinaryReader reader)
{
Name = reader.ReadNullPaddedUTF8(NameSize);
VirtualSize = reader.ReadInt32();
VirtualAddress = reader.ReadInt32();
SizeOfRawData = reader.ReadInt32();
PointerToRawData = reader.ReadInt32();
PointerToRelocations = reader.ReadInt32();
PointerToLineNumbers = reader.ReadInt32();
NumberOfRelocations = reader.ReadUInt16();
NumberOfLineNumbers = reader.ReadUInt16();
SectionCharacteristics = (SectionCharacteristics)reader.ReadUInt32();
}
public void ReadNullPaddedUTF8RemovesNullPadding()
{
var headerBytes = new byte[PEFileConstants.SizeofSectionName];
headerBytes[0] = 80;
headerBytes[1] = 80;
headerBytes[2] = 80;
var stream = new MemoryStream(headerBytes);
stream.Position = 0;
var reader = new PEBinaryReader(stream, headerBytes.Length);
var text = reader.ReadNullPaddedUTF8(PEFileConstants.SizeofSectionName);
Assert.Equal(3, text.Length);
Assert.Equal("PPP", text);
}
internal CorHeader(ref PEBinaryReader reader)
{
// byte count
reader.ReadInt32();
MajorRuntimeVersion = reader.ReadUInt16();
MinorRuntimeVersion = reader.ReadUInt16();
MetadataDirectory = new DirectoryEntry(ref reader);
Flags = (CorFlags)reader.ReadUInt32();
EntryPointTokenOrRelativeVirtualAddress = reader.ReadInt32();
ResourcesDirectory = new DirectoryEntry(ref reader);
StrongNameSignatureDirectory = new DirectoryEntry(ref reader);
CodeManagerTableDirectory = new DirectoryEntry(ref reader);
VtableFixupsDirectory = new DirectoryEntry(ref reader);
ExportAddressTableJumpsDirectory = new DirectoryEntry(ref reader);
ManagedNativeHeaderDirectory = new DirectoryEntry(ref reader);
}
internal CorHeader(ref PEBinaryReader reader)
{
// byte count
reader.ReadInt32();
MajorRuntimeVersion = reader.ReadUInt16();
MinorRuntimeVersion = reader.ReadUInt16();
MetadataDirectory = new DirectoryEntry(ref reader);
Flags = (CorFlags)reader.ReadUInt32();
EntryPointTokenOrRelativeVirtualAddress = reader.ReadInt32();
ResourcesDirectory = new DirectoryEntry(ref reader);
StrongNameSignatureDirectory = new DirectoryEntry(ref reader);
CodeManagerTableDirectory = new DirectoryEntry(ref reader);
VtableFixupsDirectory = new DirectoryEntry(ref reader);
ExportAddressTableJumpsDirectory = new DirectoryEntry(ref reader);
ManagedNativeHeaderDirectory = new DirectoryEntry(ref reader);
}
public void ReadNullPaddedUTF8RemovesNullPadding()
{
var headerBytes = new byte[SectionHeader.NameSize];
headerBytes[0] = 80;
headerBytes[1] = 80;
headerBytes[2] = 80;
var stream = new MemoryStream(headerBytes);
stream.Position = 0;
var reader = new PEBinaryReader(stream, headerBytes.Length);
var text = reader.ReadNullPaddedUTF8(SectionHeader.NameSize);
Assert.Equal(3, text.Length);
Assert.Equal("PPP", text);
}
public void ReadNullPaddedUTF8RemovesNullPadding()
{
var headerBytes = new byte[PEFileConstants.SizeofSectionName];
headerBytes[0] = 80;
headerBytes[1] = 80;
headerBytes[2] = 80;
var stream = new MemoryStream(headerBytes);
stream.Position = 0;
var reader = new PEBinaryReader(stream, headerBytes.Length);
var text = reader.ReadNullPaddedUTF8(PEFileConstants.SizeofSectionName);
AssertEx.AreEqual(3, text.Length, "PEBinaryReader.ReadNullPaddedUTF8 did not truncate null padding");
AssertEx.AreEqual("PPP", text);
}
public void Ctor(
string name,
int virtualSize,
int virtualAddress,
int sizeOfRawData,
int ptrToRawData,
int ptrToRelocations,
int ptrToLineNumbers,
ushort numRelocations,
ushort numLineNumbers,
SectionCharacteristics characteristics)
{
var stream = new MemoryStream();
var writer = new BinaryWriter(stream, Encoding.UTF8, leaveOpen: true);
writer.Write(PadSectionName(name));
writer.Write(virtualSize);
writer.Write(virtualAddress);
writer.Write(sizeOfRawData);
writer.Write(ptrToRawData);
writer.Write(ptrToRelocations);
writer.Write(ptrToLineNumbers);
writer.Write(numRelocations);
writer.Write(numLineNumbers);
writer.Write((uint)characteristics);
writer.Dispose();
stream.Position = 0;
var reader = new PEBinaryReader(stream, (int)stream.Length);
var header = new SectionHeader(ref reader);
Assert.Equal(name, header.Name);
Assert.Equal(virtualSize, header.VirtualSize);
Assert.Equal(virtualAddress, header.VirtualAddress);
Assert.Equal(sizeOfRawData, header.SizeOfRawData);
Assert.Equal(ptrToRawData, header.PointerToRawData);
Assert.Equal(ptrToLineNumbers, header.PointerToLineNumbers);
Assert.Equal(numRelocations, header.NumberOfRelocations);
Assert.Equal(numLineNumbers, header.NumberOfLineNumbers);
Assert.Equal(characteristics, header.SectionCharacteristics);
}
public void Ctor(
string name,
int virtualSize,
int virtualAddress,
int sizeOfRawData,
int ptrToRawData,
int ptrToRelocations,
int ptrToLineNumbers,
ushort numRelocations,
ushort numLineNumbers,
SectionCharacteristics characteristics)
{
var stream = new MemoryStream();
var writer = new BinaryWriter(stream, Encoding.UTF8, leaveOpen: true);
writer.Write(PadSectionName(name));
writer.Write(virtualSize);
writer.Write(virtualAddress);
writer.Write(sizeOfRawData);
writer.Write(ptrToRawData);
writer.Write(ptrToRelocations);
writer.Write(ptrToLineNumbers);
writer.Write(numRelocations);
writer.Write(numLineNumbers);
writer.Write((uint) characteristics);
writer.Dispose();
stream.Position = 0;
var reader = new PEBinaryReader(stream, (int) stream.Length);
var header = new SectionHeader(ref reader);
Assert.Equal(name, header.Name);
Assert.Equal(virtualSize, header.VirtualSize);
Assert.Equal(virtualAddress, header.VirtualAddress);
Assert.Equal(sizeOfRawData, header.SizeOfRawData);
Assert.Equal(ptrToRawData, header.PointerToRawData);
Assert.Equal(ptrToLineNumbers, header.PointerToLineNumbers);
Assert.Equal(numRelocations, header.NumberOfRelocations);
Assert.Equal(numLineNumbers, header.NumberOfLineNumbers);
Assert.Equal(characteristics, header.SectionCharacteristics);
}
internal DirectoryEntry(ref PEBinaryReader reader)
{
RelativeVirtualAddress = reader.ReadInt32();
Size = reader.ReadInt32();
}
sizeof(int); // SectionCharacteristics
internal SectionHeader(ref PEBinaryReader reader)
{
Name = reader.ReadNullPaddedUTF8(NameSize);
VirtualSize = reader.ReadInt32();
VirtualAddress = reader.ReadInt32();
SizeOfRawData = reader.ReadInt32();
PointerToRawData = reader.ReadInt32();
PointerToRelocations = reader.ReadInt32();
PointerToLineNumbers = reader.ReadInt32();
NumberOfRelocations = reader.ReadUInt16();
NumberOfLineNumbers = reader.ReadUInt16();
SectionCharacteristics = (SectionCharacteristics)reader.ReadUInt32();
}
