public static ImageWriter CreateWriter(ModuleDefinition module, MetadataBuilder metadata, Disposable <Stream> stream)
{
var writer = new ImageWriter(module, module.runtime_version, metadata, stream);
writer.BuildSections();
return(writer);
}
public static void StrongName (Stream stream, ImageWriter writer, StrongNameKeyPair key_pair)
{
int strong_name_pointer;
var strong_name = CreateStrongName (key_pair, HashStream (stream, writer, out strong_name_pointer));
PatchStrongName (stream, strong_name_pointer, strong_name);
}
static byte[] HashStream(Stream stream, ImageWriter writer, out int strong_name_pointer)
{
const int buffer_size = 8192;
var text = writer.text;
var header_size = (int) writer.GetHeaderSize ();
var text_section_pointer = (int) text.PointerToRawData;
var strong_name_directory = writer.GetStrongNameSignatureDirectory ();
if (strong_name_directory.Size == 0)
throw new InvalidOperationException ();
strong_name_pointer = (int) (text_section_pointer
+ (strong_name_directory.VirtualAddress - text.VirtualAddress));
var strong_name_length = (int) strong_name_directory.Size;
var sha1 = new SHA1Managed ();
var buffer = new byte [buffer_size];
using (var crypto_stream = new CryptoStream (Stream.Null, sha1, CryptoStreamMode.Write)) {
stream.Seek (0, SeekOrigin.Begin);
CopyStreamChunk (stream, crypto_stream, buffer, header_size);
stream.Seek (text_section_pointer, SeekOrigin.Begin);
CopyStreamChunk (stream, crypto_stream, buffer, (int) strong_name_pointer - text_section_pointer);
stream.Seek (strong_name_length, SeekOrigin.Current);
CopyStreamChunk (stream, crypto_stream, buffer, (int) (stream.Length - (strong_name_pointer + strong_name_length)));
}
return sha1.Hash;
}
public static ImageWriter CreateWriter(ModuleDefinition module, MetadataBuilder metadata, Stream stream)
{
var writer = new ImageWriter(module, metadata, stream);
writer.BuildSections();
return(writer);
}
private byte[] GetRuntimeMain()
{
if (this.module.Kind != ModuleKind.Dll && this.module.Kind != ModuleKind.NetModule)
{
return(ImageWriter.GetSimpleString("_CorExeMain"));
}
return(ImageWriter.GetSimpleString("_CorDllMain"));
}
public static ImageWriter CreateDebugWriter(ModuleDefinition module, MetadataBuilder metadata, Disposable <Stream> stream)
{
var writer = new ImageWriter(module, "PDB v1.0", metadata, stream, metadataOnly: true);
var length = metadata.text_map.GetLength();
writer.text = new Section {
SizeOfRawData = length, VirtualSize = length
};
return(writer);
}
private void WriteStreamHeader(ref uint offset, TextSegment heap, string name)
{
uint length = (uint)this.text_map.GetLength(heap);
if (length == 0)
{
return;
}
base.WriteUInt32(offset);
base.WriteUInt32(length);
base.WriteBytes(ImageWriter.GetZeroTerminatedString(name));
offset += length;
}
private void WriteImportDirectory()
{
base.WriteUInt32(this.text_map.GetRVA(TextSegment.ImportDirectory) + 40);
base.WriteUInt32(0);
base.WriteUInt32(0);
base.WriteUInt32(this.text_map.GetRVA(TextSegment.ImportHintNameTable) + 14);
base.WriteUInt32(this.text_map.GetRVA(TextSegment.ImportAddressTable));
base.Advance(20);
base.WriteUInt32(this.text_map.GetRVA(TextSegment.ImportHintNameTable));
this.MoveToRVA(TextSegment.ImportHintNameTable);
base.WriteUInt16(0);
base.WriteBytes(this.GetRuntimeMain());
base.WriteByte(0);
base.WriteBytes(ImageWriter.GetSimpleString("mscoree.dll"));
base.WriteUInt16(0);
}
private void WriteMetadataHeader()
{
base.WriteUInt32(1112167234);
base.WriteUInt16(1);
base.WriteUInt16(1);
base.WriteUInt32(0);
byte[] zeroTerminatedString = ImageWriter.GetZeroTerminatedString(this.module.runtime_version);
base.WriteUInt32((uint)zeroTerminatedString.Length);
base.WriteBytes(zeroTerminatedString);
base.WriteUInt16(0);
base.WriteUInt16(this.GetStreamCount());
uint rVA = this.text_map.GetRVA(TextSegment.TableHeap) - this.text_map.GetRVA(TextSegment.MetadataHeader);
this.WriteStreamHeader(ref rVA, TextSegment.TableHeap, "#~");
this.WriteStreamHeader(ref rVA, TextSegment.StringHeap, "#Strings");
this.WriteStreamHeader(ref rVA, TextSegment.UserStringHeap, "#US");
this.WriteStreamHeader(ref rVA, TextSegment.GuidHeap, "#GUID");
this.WriteStreamHeader(ref rVA, TextSegment.BlobHeap, "#Blob");
}
private Section CreateSection(string name, uint size, Section previous)
{
uint virtualAddress;
Section section = new Section()
{
Name = name
};
if (previous != null)
{
virtualAddress = previous.VirtualAddress + ImageWriter.Align(previous.VirtualSize, 8192);
}
else
{
virtualAddress = 8192;
}
section.VirtualAddress = virtualAddress;
section.VirtualSize = size;
section.PointerToRawData = (previous != null ? previous.PointerToRawData + previous.SizeOfRawData : ImageWriter.Align(this.GetHeaderSize(), 512));
section.SizeOfRawData = ImageWriter.Align(size, 512);
return(section);
}
public static ImageWriter CreateWriter(ModuleDefinition module, MetadataBuilder metadata, Stream stream)
{
var writer = new ImageWriter (module, metadata, stream);
writer.BuildSections ();
return writer;
}
public PortablePdbWriter(MetadataBuilder pdb_metadata, ModuleDefinition module, ImageWriter writer)
: this(pdb_metadata, module)
{
this.writer = writer;
}
public static ImageWriter CreateWriter(ModuleDefinition module, MetadataBuilder metadata, Disposable<Stream> stream)
{
var writer = new ImageWriter (module, module.runtime_version, metadata, stream);
writer.BuildSections ();
return writer;
}
public static ImageWriter CreateDebugWriter(ModuleDefinition module, MetadataBuilder metadata, Disposable<Stream> stream)
{
var writer = new ImageWriter (module, "PDB V1.0", metadata, stream, metadataOnly: true);
var length = metadata.text_map.GetLength ();
writer.text = new Section { SizeOfRawData = length, VirtualSize = length };
return writer;
}
public static ImageWriter CreateWriter(ModuleDefinition module, MetadataBuilder metadata, Stream stream)
{
var writer = new ImageWriter (module, metadata, stream);
writer.BuildSections ();
(writer.BaseStream as VirtualStream).sects = writer.sections;
return writer;
}
private static byte[] GetSimpleString(string @string)
{
return(ImageWriter.GetString(@string, @string.Length));
}
private void WriteOptionalHeaders()
{
Object sizeOfRawData;
Object obj;
uint start;
uint virtualAddress;
uint virtualSize;
base.WriteUInt16((ushort)((!this.pe64 ? 267 : 523)));
base.WriteByte(8);
base.WriteByte(0);
base.WriteUInt32(this.text.SizeOfRawData);
if (this.reloc != null)
{
sizeOfRawData = this.reloc.SizeOfRawData;
}
else
{
sizeOfRawData = null;
}
if (this.rsrc != null)
{
obj = this.rsrc.SizeOfRawData;
}
else
{
obj = null;
}
base.WriteUInt32(sizeOfRawData + obj);
base.WriteUInt32(0);
Range range = this.text_map.GetRange(TextSegment.StartupStub);
if (range.Length > 0)
{
start = range.Start;
}
else
{
start = 0;
}
base.WriteUInt32(start);
base.WriteUInt32(8192);
if (this.pe64)
{
base.WriteUInt64((ulong)4194304);
}
else
{
base.WriteUInt32(0);
base.WriteUInt32(4194304);
}
base.WriteUInt32(8192);
base.WriteUInt32(512);
base.WriteUInt16(4);
base.WriteUInt16(0);
base.WriteUInt16(0);
base.WriteUInt16(0);
base.WriteUInt16(4);
base.WriteUInt16(0);
base.WriteUInt32(0);
Section section = this.LastSection();
base.WriteUInt32(section.VirtualAddress + ImageWriter.Align(section.VirtualSize, 8192));
base.WriteUInt32(this.text.PointerToRawData);
base.WriteUInt32(0);
base.WriteUInt16(this.GetSubSystem());
base.WriteUInt16((ushort)this.module.Characteristics);
if (this.pe64)
{
base.WriteUInt64((ulong)1048576);
base.WriteUInt64((ulong)4096);
base.WriteUInt64((ulong)1048576);
base.WriteUInt64((ulong)4096);
}
else
{
base.WriteUInt32(1048576);
base.WriteUInt32(4096);
base.WriteUInt32(1048576);
base.WriteUInt32(4096);
}
base.WriteUInt32(0);
base.WriteUInt32(16);
this.WriteZeroDataDirectory();
base.WriteDataDirectory(this.text_map.GetDataDirectory(TextSegment.ImportDirectory));
if (this.rsrc == null)
{
this.WriteZeroDataDirectory();
}
else
{
base.WriteUInt32(this.rsrc.VirtualAddress);
base.WriteUInt32(this.rsrc.VirtualSize);
}
this.WriteZeroDataDirectory();
this.WriteZeroDataDirectory();
if (this.reloc != null)
{
virtualAddress = this.reloc.VirtualAddress;
}
else
{
virtualAddress = 0;
}
base.WriteUInt32(virtualAddress);
if (this.reloc != null)
{
virtualSize = this.reloc.VirtualSize;
}
else
{
virtualSize = 0;
}
base.WriteUInt32(virtualSize);
if (this.text_map.GetLength(TextSegment.DebugDirectory) <= 0)
{
this.WriteZeroDataDirectory();
}
else
{
base.WriteUInt32(this.text_map.GetRVA(TextSegment.DebugDirectory));
base.WriteUInt32(28);
}
this.WriteZeroDataDirectory();
this.WriteZeroDataDirectory();
this.WriteZeroDataDirectory();
this.WriteZeroDataDirectory();
this.WriteZeroDataDirectory();
base.WriteDataDirectory(this.text_map.GetDataDirectory(TextSegment.ImportAddressTable));
this.WriteZeroDataDirectory();
base.WriteDataDirectory(this.text_map.GetDataDirectory(TextSegment.CLIHeader));
this.WriteZeroDataDirectory();
}
private static byte[] GetZeroTerminatedString(string @string)
{
return(ImageWriter.GetString(@string, @string.Length + 1 + 3 & -4));
}