private byte[] GetRuntimeMain()
{
if (this.module.Kind != ModuleKind.Dll && this.module.Kind != ModuleKind.NetModule)
{
return(ImageWriter.GetSimpleString("_CorExeMain"));
}
return(ImageWriter.GetSimpleString("_CorDllMain"));
}
private Section CreateSection(string name, uint size, Section previous)
{
return(new Section
{
Name = name,
VirtualAddress = (previous != null) ? (previous.VirtualAddress + ImageWriter.Align(previous.VirtualSize, 8192u)) : 8192u,
VirtualSize = size,
PointerToRawData = (previous != null) ? (previous.PointerToRawData + previous.SizeOfRawData) : ImageWriter.Align(this.GetHeaderSize(), 512u),
SizeOfRawData = ImageWriter.Align(size, 512u)
});
}
private void WriteStreamHeader(ref uint offset, TextSegment heap, string name)
{
uint length = (uint)this.text_map.GetLength(heap);
if (length == 0u)
{
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) + 40u);
base.WriteUInt32(0u);
base.WriteUInt32(0u);
base.WriteUInt32(this.text_map.GetRVA(TextSegment.ImportHintNameTable) + 14u);
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(1112167234u);
base.WriteUInt16(1);
base.WriteUInt16(1);
base.WriteUInt32(0u);
byte[] zeroTerminatedString = ImageWriter.GetZeroTerminatedString(this.module.runtime_version);
base.WriteUInt32((uint)zeroTerminatedString.Length);
base.WriteBytes(zeroTerminatedString);
base.WriteUInt16(0);
base.WriteUInt16(this.GetStreamCount());
uint num = this.text_map.GetRVA(TextSegment.TableHeap) - this.text_map.GetRVA(TextSegment.MetadataHeader);
this.WriteStreamHeader(ref num, TextSegment.TableHeap, "#~");
this.WriteStreamHeader(ref num, TextSegment.StringHeap, "#Strings");
this.WriteStreamHeader(ref num, TextSegment.UserStringHeap, "#US");
this.WriteStreamHeader(ref num, TextSegment.GuidHeap, "#GUID");
this.WriteStreamHeader(ref num, TextSegment.BlobHeap, "#Blob");
}
private int GetMetadataHeaderLength(string runtimeVersion)
{
return(20 + ImageWriter.GetZeroTerminatedStringLength(runtimeVersion) + 12 + 20 + (this.metadata.user_string_heap.IsEmpty ? 0 : 12) + 16 + (this.metadata.blob_heap.IsEmpty ? 0 : 16));
}
private static byte[] GetSimpleString(string @string)
{
return(ImageWriter.GetString(@string, @string.Length));
}
private static byte[] GetZeroTerminatedString(string @string)
{
return(ImageWriter.GetString(@string, ImageWriter.GetZeroTerminatedStringLength(@string)));
}
private void WriteOptionalHeaders()
{
WriteUInt16((ushort)(!pe64 ? 0x10b : 0x20b)); // Magic
base.WriteByte(8);
base.WriteByte(0);
base.WriteUInt32(this.text.SizeOfRawData);
base.WriteUInt32(((this.reloc != null) ? this.reloc.SizeOfRawData : 0u) + ((this.rsrc != null) ? this.rsrc.SizeOfRawData : 0u));
base.WriteUInt32(0u);
Range range = this.text_map.GetRange(TextSegment.StartupStub);
base.WriteUInt32((range.Length > 0u) ? range.Start : 0u);
base.WriteUInt32(8192u);
if (!this.pe64)
{
base.WriteUInt32(0u);
base.WriteUInt32(4194304u);
}
else
{
base.WriteUInt64(4194304uL);
}
base.WriteUInt32(8192u);
base.WriteUInt32(512u);
base.WriteUInt16(4);
base.WriteUInt16(0);
base.WriteUInt16(0);
base.WriteUInt16(0);
base.WriteUInt16(4);
base.WriteUInt16(0);
base.WriteUInt32(0u);
Section section = this.LastSection();
base.WriteUInt32(section.VirtualAddress + ImageWriter.Align(section.VirtualSize, 8192u));
base.WriteUInt32(this.text.PointerToRawData);
base.WriteUInt32(0u);
base.WriteUInt16(this.GetSubSystem());
base.WriteUInt16((ushort)this.module.Characteristics);
if (!this.pe64)
{
base.WriteUInt32(1048576u);
base.WriteUInt32(4096u);
base.WriteUInt32(1048576u);
base.WriteUInt32(4096u);
}
else
{
base.WriteUInt64(1048576uL);
base.WriteUInt64(4096uL);
base.WriteUInt64(1048576uL);
base.WriteUInt64(4096uL);
}
base.WriteUInt32(0u);
base.WriteUInt32(16u);
this.WriteZeroDataDirectory();
base.WriteDataDirectory(this.text_map.GetDataDirectory(TextSegment.ImportDirectory));
if (this.rsrc != null)
{
base.WriteUInt32(this.rsrc.VirtualAddress);
base.WriteUInt32(this.rsrc.VirtualSize);
}
else
{
this.WriteZeroDataDirectory();
}
this.WriteZeroDataDirectory();
this.WriteZeroDataDirectory();
base.WriteUInt32((this.reloc != null) ? this.reloc.VirtualAddress : 0u);
base.WriteUInt32((this.reloc != null) ? this.reloc.VirtualSize : 0u);
if (this.text_map.GetLength(TextSegment.DebugDirectory) > 0)
{
base.WriteUInt32(this.text_map.GetRVA(TextSegment.DebugDirectory));
base.WriteUInt32(28u);
}
else
{
this.WriteZeroDataDirectory();
}
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();
}