/
Module.cs
1253 lines (1054 loc) · 38.5 KB
/
Module.cs
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using Microsoft.Diagnostics.Runtime;
using Microsoft.Diagnostics.Runtime.Interop;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
namespace NetExt.Shim
{
public struct LANGANDCODEPAGE
{
public uint wLanguage;
public uint wCodePage;
public void SetValue(byte[] Bytes, int Index = 0)
{
wLanguage = Bytes[Index] + ((uint)(Bytes[Index + 1]) << 8);
wCodePage = Bytes[Index+2] + ((uint)(Bytes[Index + 3]) << 8);
}
public string VarQueryValue(string SubBlock)
{
string query = String.Format("\\StringFileInfo\\{0:x04}{1:x04}\\{2}",
wLanguage,
wCodePage,
SubBlock);
return query;
}
}
public enum ImageType : ushort
{
None = 0x0,
Pe32bit = 0x10B,
Pe64bit = 0x20B,
}
[StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]
public struct IMAGE_IMPORT_MODULE_DIRECTORY
{
/// DWORD->unsigned int
public uint dwRVAFunctionNameList;
/// DWORD->unsigned int
public uint dwUseless1;
/// DWORD->unsigned int
public uint dwUseless2;
/// DWORD->unsigned int
public uint dwRVAModuleName;
/// DWORD->unsigned int
public uint dwRVAFunctionAddressList;
}
public class Module
{
protected static List<Module> modules = null;
protected VersionReader versionReader = null;
protected VersionReader ManagedVersion
{
get
{
if (versionReader == null)
{
if(this.Name == null)
{
return null;
}
string[] parts = this.Name.Split('.');
string ext = parts[parts.Length - 1];
versionReader = new VersionReader(this, ext);
if (!versionReader.IsValid)
return null;
}
return versionReader;
}
}
static IDebugSymbols5 symbol = null;
public static IDebugSymbols5 Symbol
{
get
{
if (symbol == null)
symbol = (IDebugSymbols5)DebugApi.Client;
return symbol;
}
}
public static uint Count
{
get
{
uint loaded;
uint unloaded;
Symbol.GetNumberModules(out loaded, out unloaded);
return loaded;
}
}
public static uint UnloadedCount
{
get
{
uint loaded;
uint unloaded;
Symbol.GetNumberModules(out loaded, out unloaded);
return unloaded;
}
}
public static List<Module> Modules
{
get
{
if (modules == null || modules.Count == 0)
{
modules = new List<Module>();
for (int i = 0; i < Count; i++)
{
ulong baseAddr;
if (Symbol.GetModuleByIndex((uint)i, out baseAddr) == (int)HRESULT.S_OK)
{
Module mod = new Module(baseAddr);
if (mod.IsValid)
modules.Add(mod);
}
else
{
DebugApi.WriteLine("Unable to get module at index {0}", i);
}
}
}
// Some Debugger versions lack the managed assemblies in the API
if (DebugApi.Runtime != null)
{
foreach (var manMod in DebugApi.Runtime.Modules)
{
Module mod = new Module(manMod.ImageBase);
if (mod.IsValid && mod.Index < 0)
modules.Add(mod);
}
}
return modules;
}
}
public static void Clear()
{
modules = null;
symbol = null;
}
public string FullPath
{
protected set;
get;
}
public string Name
{
get
{
if (String.IsNullOrWhiteSpace(FullPath))
return "";
string[] parts = FullPath.Split('\\');
return parts[parts.Length - 1];
}
}
public IMAGE_DOS_HEADER DOSHeader
{
get
{
IMAGE_DOS_HEADER dosHeader = new IMAGE_DOS_HEADER();
if (BaseAddress == 0)
{
return dosHeader;
}
if (!DebugApi.ReadMemory<IMAGE_DOS_HEADER>(BaseAddress, out dosHeader))
{
DebugApi.WriteLine("[IMAGE_DOS_HEADER] Unable to read memory at %p", BaseAddress);
}
return dosHeader;
}
}
protected ImageType imageType = ImageType.None;
public ImageType FileImageType
{
get
{
if (imageType == ImageType.None && BaseAddress != 0)
{
var dosHeader = DOSHeader;
if (!DebugApi.ReadMemory<IMAGE_NT_HEADERS32>(BaseAddress + (ulong)dosHeader.e_lfanew, out ntHeader32))
{
DebugApi.WriteLine("[IMAGE_NT_HEADERS] Unable to read memory at %p", BaseAddress + (ulong)dosHeader.e_lfanew);
return imageType;
}
if (ntHeader32.Signature != 0x4550)
{
DebugApi.WriteLine("[IMAGE_NT_HEADERS] Invalid header signature at %p", BaseAddress + (ulong)dosHeader.e_lfanew);
return imageType;
}
imageType = (ImageType)ntHeader32.OptionalHeader.Magic;
}
return imageType;
}
}
protected ulong sectionStart = 0;
protected IMAGE_NT_HEADERS32 ntHeader32 = new IMAGE_NT_HEADERS32();
protected IMAGE_NT_HEADERS64 ntHeader = new IMAGE_NT_HEADERS64();
public ulong SectionStart
{
get
{
if (sectionStart == 0)
{
sectionStart = BaseAddress + (ulong)DOSHeader.e_lfanew;
}
return sectionStart;
}
}
public ulong RvaToOffset(ulong Rva)
{
if (BaseAddress == 0)
return 0;
var sectionId = SectionStart;
uint sections = 0;
MEMORY_BASIC_INFORMATION64 mbi = new MEMORY_BASIC_INFORMATION64();
mbi = DebugApi.AddressType(BaseAddress);
if (!DebugApi.IsIDNA && mbi.Protect == PAGE.NOACCESS)
{
DebugApi.WriteLine("Unable to read memory at %p", BaseAddress);
return 0;
}
bool bIsImage = (DebugApi.IsIDNA || mbi.Type == MEM.IMAGE || mbi.Type == MEM.PRIVATE);
if (FileImageType == ImageType.Pe32bit)
{
sections = NTHeader32.FileHeader.NumberOfSections;
sectionId += (ulong)Marshal.OffsetOf(typeof(IMAGE_NT_HEADERS32), "OptionalHeader") +
NTHeader32.FileHeader.SizeOfOptionalHeader;
}
if (FileImageType == ImageType.Pe64bit)
{
sections = NTHeader.FileHeader.NumberOfSections;
sectionId += (ulong)Marshal.OffsetOf(typeof(IMAGE_NT_HEADERS64), "OptionalHeader") +
NTHeader.FileHeader.SizeOfOptionalHeader;
}
for (int i = 0; i < sections; i++)
{
IMAGE_SECTION_HEADER section = new IMAGE_SECTION_HEADER();
if (!DebugApi.ReadMemory<IMAGE_SECTION_HEADER>(sectionId, out section))
{
Debug.WriteLine("[RVA] Unable to read IMAGE_SECTION_HEADER");
return 0;
}
if ((Rva >= section.VirtualAddress) &&
(Rva < (section.VirtualAddress + section.SizeOfRawData)))
{
// RVA is in this section, we can now resolve it.
ulong start = 0;
if (bIsImage)
start = section.VirtualAddress;
else
start = section.PointerToRawData;
ulong address = BaseAddress + (ulong)Rva - (ulong)section.VirtualAddress + start; // (ulong)section.PointerToRawData;
return address;
}
// Next section
sectionId += (uint)Marshal.SizeOf(typeof(IMAGE_SECTION_HEADER));
}
// RVA could not be found
return 0;
}
public IMAGE_NT_HEADERS32 NTHeader32
{
get
{
if (BaseAddress == 0)
return new IMAGE_NT_HEADERS32();
if (FileImageType != ImageType.Pe32bit)
{
ntHeader32.Signature = 0;
return ntHeader32;
}
if (ntHeader32.Signature == 0x00004550)
{
return ntHeader32;
}
var dosHeader = DOSHeader;
if (!dosHeader.isValid)
{
ntHeader32.Signature = 0;
return ntHeader32;
}
if (FileImageType == ImageType.Pe32bit)
{
if (!DebugApi.ReadMemory<IMAGE_NT_HEADERS32>(BaseAddress + (ulong)dosHeader.e_lfanew, out ntHeader32))
{
DebugApi.WriteLine("[IMAGE_NT_HEADERS32] Unable to read memory at %p", BaseAddress + (ulong)dosHeader.e_lfanew);
ntHeader32.Signature = 0;
}
}
else
{
ntHeader32.Signature = 0;
}
return ntHeader32;
}
}
public IMAGE_NT_HEADERS64 NTHeader
{
get
{
if (BaseAddress == 0)
return new IMAGE_NT_HEADERS64();
if (FileImageType != ImageType.Pe64bit)
{
ntHeader.Signature = 0;
return ntHeader;
}
if (ntHeader.Signature == 0x00004550)
{
return ntHeader;
}
var dosHeader = DOSHeader;
if(!dosHeader.isValid)
{
ntHeader.Signature = 0;
return ntHeader;
}
if (!DebugApi.ReadMemory<IMAGE_NT_HEADERS64>(BaseAddress + (ulong)dosHeader.e_lfanew, out ntHeader))
{
DebugApi.WriteLine("[IMAGE_NT_HEADERS] Unable to read memory at %p", BaseAddress + (ulong)dosHeader.e_lfanew);
}
return ntHeader;
}
}
public IMAGE_OPTIONAL_HEADER32 OptionalHeader32
{
get
{
var opHeader = new IMAGE_OPTIONAL_HEADER32();
if (BaseAddress == 0)
return opHeader;
ulong sectionAddr = BaseAddress + (ulong)DOSHeader.e_lfanew +
(ulong)Marshal.OffsetOf(typeof(IMAGE_NT_HEADERS64), "OptionalHeader");
if (!DebugApi.ReadMemory<IMAGE_OPTIONAL_HEADER32>(sectionAddr, out opHeader))
{
DebugApi.WriteLine("Fail to read PE section info\n");
opHeader.ImageBase = 0;
opHeader.CLRRuntimeHeader = new IMAGE_DATA_DIRECTORY();
}
return opHeader;
}
}
public IMAGE_OPTIONAL_HEADER64 OptionalHeader
{
get
{
var opHeader = new IMAGE_OPTIONAL_HEADER64();
if (BaseAddress == 0)
return opHeader;
ulong sectionAddr = BaseAddress + (ulong)DOSHeader.e_lfanew +
(ulong)Marshal.OffsetOf(typeof(IMAGE_NT_HEADERS64), "OptionalHeader");
if (!DebugApi.ReadMemory<IMAGE_OPTIONAL_HEADER64>(sectionAddr, out opHeader))
{
DebugApi.WriteLine("Fail to read PE section info\n");
opHeader.ImageBase = 0;
opHeader.CLRRuntimeHeader = new IMAGE_DATA_DIRECTORY();
}
return opHeader;
}
}
public IMAGE_COR20_HEADER CorHeader
{
get
{
IMAGE_COR20_HEADER corHeader = new IMAGE_COR20_HEADER();
if (BaseAddress == 0)
return corHeader;
ulong VirtualAddress = 0;
if (FileImageType == ImageType.Pe64bit)
{
var opHeader = OptionalHeader;
VirtualAddress = opHeader.CLRRuntimeHeader.VirtualAddress;
}
else
{
var opHeader = OptionalHeader32;
VirtualAddress = opHeader.CLRRuntimeHeader.VirtualAddress;
}
if (VirtualAddress != 0)
{
ulong sectionAddr = RvaToOffset(VirtualAddress);
if (!DebugApi.ReadMemory<IMAGE_COR20_HEADER>(sectionAddr, out corHeader))
{
DebugApi.WriteLine("[CORHEADER] Fail to read PE section info at %p\n", sectionAddr);
}
else
{
return corHeader;
}
}
corHeader.MajorRuntimeVersion = 0;
corHeader.MinorRuntimeVersion = 0;
return corHeader;
}
}
public IMAGE_DEBUG_DIRECTORY DebugInfo
{
get
{
IMAGE_DEBUG_DIRECTORY debugInfo = new IMAGE_DEBUG_DIRECTORY();
if (BaseAddress == 0)
return debugInfo;
ulong sectionAddr = 0;
ulong limit = 0;
ulong virtualAddress = 0;
if (FileImageType == ImageType.Pe64bit)
{
var opHeader = OptionalHeader;
sectionAddr = RvaToOffset(opHeader.Debug.VirtualAddress);
limit = sectionAddr + opHeader.Debug.Size;
virtualAddress = opHeader.Debug.VirtualAddress;
}
if (FileImageType == ImageType.Pe32bit)
{
var opHeader32 = OptionalHeader32;
sectionAddr = RvaToOffset(opHeader32.Debug.VirtualAddress);
limit = sectionAddr + opHeader32.Debug.Size;
virtualAddress = opHeader32.Debug.VirtualAddress;
}
if (virtualAddress != 0)
{
while (sectionAddr < limit)
{
if (!DebugApi.ReadMemory<IMAGE_DEBUG_DIRECTORY>(sectionAddr, out debugInfo))
{
DebugApi.WriteLine("Fail to read PE section info\n");
}
else
{
if(debugInfo.Type != IMAGE_DEBUG_TYPE.UNKNOWN)
return debugInfo;
}
sectionAddr += (ulong)Marshal.SizeOf(debugInfo);
}
}
debugInfo.Type = IMAGE_DEBUG_TYPE.UNKNOWN;
return debugInfo;
}
}
public IMAGE_DEBUG_TYPE DebugType
{
get
{
return DebugInfo.Type;
}
}
public DebuggableAttribute.DebuggingModes ClrDebugType
{
get
{
if(!IsClr)
{
return DebuggableAttribute.DebuggingModes.None;
}
foreach(var module in DebugApi.Runtime.Modules)
{
if(BaseAddress == module.ImageBase)
{
return module.DebuggingMode;
}
}
return DebuggableAttribute.DebuggingModes.None;
}
}
public Version DotNetVersion
{
get
{
var corHeader = CorHeader;
return new Version(corHeader.MajorRuntimeVersion, corHeader.MinorRuntimeVersion);
}
}
public bool IsClr
{
get
{
if (BaseAddress == 0 && Index < 0)
return true; // dynamic assembly
return DotNetVersion.Major != 0;
}
}
public CorFlags CLRFlags
{
get
{
return (CorFlags)CorHeader.Flags;
}
}
public bool SaveToStream(Stream ModuleStream)
{
MEMORY_BASIC_INFORMATION64 mbi = new MEMORY_BASIC_INFORMATION64();
mbi = DebugApi.AddressType(BaseAddress);
if (mbi.Protect == PAGE.NOACCESS && !DebugApi.IsIDNA)
{
DebugApi.WriteLine("Unable to read memory at %p", BaseAddress);
return false;
}
bool bIsImage = DebugApi.IsIDNA || (mbi.Type == MEM.IMAGE || mbi.Type == MEM.PRIVATE);
IMAGE_DOS_HEADER dosHeader = DOSHeader;
if (!dosHeader.isValid)
{
return false;
}
// NT PE Headers
ulong dwAddr = BaseAddress;
ulong dwEnd = 0;
uint nRead;
IMAGE_SECTION_HEADER section = new IMAGE_SECTION_HEADER();
ulong sectionAddr = 0;
int nSection = 0;
if (FileImageType == ImageType.Pe64bit)
{
sectionAddr = BaseAddress + (ulong)dosHeader.e_lfanew +
(ulong)Marshal.OffsetOf(typeof(IMAGE_NT_HEADERS64), "OptionalHeader") +
NTHeader.FileHeader.SizeOfOptionalHeader;
nSection = NTHeader.FileHeader.NumberOfSections;
dwEnd = BaseAddress + NTHeader.OptionalHeader.SizeOfHeaders;
}
if (FileImageType == ImageType.Pe32bit)
{
sectionAddr = BaseAddress + (ulong)dosHeader.e_lfanew +
(ulong)Marshal.OffsetOf(typeof(IMAGE_NT_HEADERS32), "OptionalHeader") +
NTHeader32.FileHeader.SizeOfOptionalHeader;
nSection = NTHeader32.FileHeader.NumberOfSections;
dwEnd = BaseAddress + NTHeader32.OptionalHeader.SizeOfHeaders;
}
MemLocation[] memLoc = new MemLocation[nSection];
int indxSec = -1;
int slot;
for (int n = 0; n < nSection; n++)
{
if (!DebugApi.ReadMemory<IMAGE_SECTION_HEADER>(sectionAddr, out section))
{
DebugApi.WriteLine("[IMAGE_SECTION_HEADER] Fail to read PE section info at %p\n", sectionAddr);
return false;
}
for (slot = 0; slot <= indxSec; slot++)
{
if ((ulong)section.PointerToRawData < (ulong)memLoc[slot].FileAddr)
break;
}
for (int k = indxSec; k >= slot; k--)
memLoc[k + 1] = memLoc[k];
memLoc[slot].VAAddr = (IntPtr)section.VirtualAddress;
memLoc[slot].VASize = (IntPtr)section.VirtualSize;
memLoc[slot].FileAddr = (IntPtr)section.PointerToRawData;
memLoc[slot].FileSize = (IntPtr)section.SizeOfRawData;
indxSec++;
sectionAddr += (ulong)Marshal.SizeOf(section);
}
uint pageSize;
DebugApi.Control.GetPageSize(out pageSize);
byte[] buffer = new byte[pageSize];
IDebugDataSpaces3 data = (IDebugDataSpaces3)DebugApi.Client;
while (dwAddr < dwEnd)
{
nRead = pageSize;
if (dwEnd - dwAddr < nRead)
nRead = (uint)(dwEnd - dwAddr);
if (data.ReadVirtual(dwAddr, buffer, nRead, out nRead) == (int)HRESULT.S_OK)
ModuleStream.Write(buffer, 0, (int)nRead);
else
{
DebugApi.WriteLine("Fail to read memory\n");
return false;
}
dwAddr += nRead;
}
for (slot = 0; slot <= indxSec; slot++)
{
//if (!DebugApi.IsTaget64Bits)
//{
if (bIsImage)
dwAddr = BaseAddress + (ulong)memLoc[slot].VAAddr;
else
dwAddr = BaseAddress + (ulong)memLoc[slot].FileAddr;
//}
//else
// dwAddr = BaseAddress + (ulong)memLoc[slot].FileAddr;
dwEnd = (ulong)memLoc[slot].FileSize + dwAddr - 1;
while (dwAddr <= dwEnd)
{
nRead = pageSize;
if (dwEnd - dwAddr + 1 < pageSize)
nRead = (uint)(dwEnd - dwAddr + 1);
if (data.ReadVirtual(dwAddr, buffer, nRead, out nRead) == (int)HRESULT.S_OK)
ModuleStream.Write(buffer, 0, (int)nRead);
else
{
DebugApi.WriteLine("Fail to read memory\n");
return false;
}
dwAddr += pageSize;
}
}
return true;
}
public ulong BaseAddress
{
protected set;
get;
}
public bool IsValid
{
get
{
return BaseAddress != 0;
}
}
public int Index
{
protected set;
get;
}
public string Version
{
get
{
if (Index < 0)
{
if(ManagedVersion == null)
return "<INVALID FILE IMAGE>";
if (BaseAddress == 0)
return "NA";
return ManagedVersion.Info.FileVersion;
}
return GetVersionInfo("FileVersion");
}
//FileVersion
}
public string ProductVersion
{
get
{
if (Index < 0)
{
if (ManagedVersion == null)
return "<INVALID FILE IMAGE>";
if (BaseAddress == 0)
{
return null;
}
return ManagedVersion.Info.ProductVersion;
}
return GetVersionInfo("ProductVersion");
}
}
public string CompanyName
{
get
{
if (Index < 0)
{
if (BaseAddress == 0)
{
return "NA";
}
if (ManagedVersion == null)
return "<INVALID FILE IMAGE>";
return ManagedVersion.Info.CompanyName;
}
return GetVersionInfo("CompanyName");
}
}
public string LegalCopyright
{
get
{
if (Index < 0)
{
if (BaseAddress == 0)
{
return "NA";
}
if (ManagedVersion == null)
return "<INVALID FILE IMAGE>";
return ManagedVersion.Info.LegalCopyright;
}
return GetVersionInfo("LegalCopyright");
}
}
public string ProductName
{
get
{
if (Index < 0)
{
if (BaseAddress == 0)
{
return "NA";
}
if (ManagedVersion == null)
return "<INVALID FILE IMAGE>";
return ManagedVersion.Info.ProductName;
}
return GetVersionInfo("ProductName");
}
}
public string OriginalFilename
{
get
{
if (Index < 0)
{
if (BaseAddress == 0)
{
return "NA";
}
if (ManagedVersion == null)
return "<INVALID FILE IMAGE>";
return ManagedVersion.Info.OriginalFilename;
}
return GetVersionInfo("OriginalFilename");
}
}
public Version VersionInfo
{
get
{
try
{
if (BaseAddress == 0)
return new System.Version();
Version ver = ProductVersion != null ? new System.Version(ProductVersion) : new System.Version();
return ver;
}
catch
{
return new System.Version();
}
/*
Version ver = new System.Version(ProductVersion);
Regex reg = new Regex(@"?<major>[0-9]+)\.(?<minor>[0-9]+)\.(?<release>[0-9]+)(?:\.(?<build>[0-9]+))?");
var match = reg.Match(ProductVersion);
if(match.Success)
{
Version ver = new System.Version()
ver.Major = match.Groups["major"];
}
*/
}
}
public string GetVersionInfo(string Property)
{
uint size = 1000;
byte[] buffer = new byte[size];
uint index = (uint)Index;
if (Symbol.GetModuleVersionInformation(index, 0, @"\VarFileInfo\Translation", buffer, size, out size) == (int)HRESULT.S_OK)
{
LANGANDCODEPAGE cp = new LANGANDCODEPAGE();
cp.SetValue(buffer);
unsafe
{
fixed (byte* p = buffer)
{
IntPtr ptr = (IntPtr)p;
Symbol.GetModuleVersionInformationWide(index, 0, cp.VarQueryValue(Property), ptr, 1000, out size);
}
}
if (size < 2)
return "";
string str = System.Text.ASCIIEncoding.Unicode.GetString(buffer, 0, (int)size - 2);
return str.Replace("\0",""); // Resolves an issue with empty strings
}
return null;
//https://msdn.microsoft.com/en-us/library/windows/desktop/ms647464(v=vs.85).aspx
//https://msdn.microsoft.com/en-us/library/windows/hardware/ff547170(v=vs.85).aspx
}
public Module(string ModuleName)
{
uint index = 0;
ulong addr = 0;
if (Symbol.GetModuleByModuleName2(ModuleName, 0, DEBUG_GETMOD.NO_UNLOADED_MODULES, out index, out addr) == (int)HRESULT.S_OK)
{
Index = (int)index;
uint size = 1000;
StringBuilder buffer = new StringBuilder((int)size);
BaseAddress = addr;
if (Symbol.GetModuleNameString(DEBUG_MODNAME.IMAGE, index, 0, buffer, size, out size) == (int)HRESULT.S_OK)
{
FullPath = buffer.ToString();
}
}
else
{
FullPath = null;
BaseAddress = 0;
var module = DebugApi.Runtime.Modules.FirstOrDefault(m => { return m.FileName != null && m.FileName.ToUpper().Contains(ModuleName.ToUpper()); });
if (module != null)
{
BaseAddress = module.ImageBase;
FullPath = module.FileName ?? "{dynamic-assembly}";
Index = -1;
}
}
}
public Module(ulong Offset)
{
uint index = 0;
ulong addr = 0;
if (Symbol.GetModuleByOffset2(Offset, 0, DEBUG_GETMOD.NO_UNLOADED_MODULES, out index, out addr) == (int)HRESULT.S_OK)
{
Index = (int)index;
uint size = 1000;
StringBuilder buffer = new StringBuilder((int)size);
BaseAddress = addr;
if (Symbol.GetModuleNameString(DEBUG_MODNAME.IMAGE, index, 0, buffer, size, out size) == (int)HRESULT.S_OK)
{
FullPath = buffer.ToString();
}
}
else
{
FullPath = null;
BaseAddress = 0;
if (DebugApi.Runtime != null)
{
var module = GetClrModuleByAddress(Offset);
if (module != null)
{
BaseAddress = module.ImageBase;
FullPath = module.FileName ?? "{dynamic-assembly}";
Index = -1;
}
}
}
}
public static ClrModule GetClrModuleByAddress(ulong Offset)
{
return DebugApi.Runtime.Modules.FirstOrDefault(m => { return m.ImageBase == Offset; });
}
}
public class VersionReader
{
public bool IsValid
{
private set;
get;
}
public Exception LastException
{
private set;