86 lines
2.6 KiB
C#
86 lines
2.6 KiB
C#
/*
|
|
Copyright (C) 2011-2012 de4dot@gmail.com
|
|
|
|
This file is part of de4dot.
|
|
|
|
de4dot is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
de4dot is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with de4dot. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
using System;
|
|
using Mono.Cecil;
|
|
using de4dot.blocks;
|
|
|
|
namespace de4dot.code.deobfuscators.dotNET_Reactor.v3 {
|
|
// Finds the type that saves the native lib (if in resources) to disk
|
|
class NativeLibSaver {
|
|
ModuleDefinition module;
|
|
TypeDefinition nativeLibCallerType;
|
|
MethodDefinition initMethod;
|
|
Resource nativeFileResource;
|
|
|
|
public TypeDefinition Type {
|
|
get { return nativeLibCallerType; }
|
|
}
|
|
|
|
public MethodDefinition InitMethod {
|
|
get { return initMethod; }
|
|
}
|
|
|
|
public Resource Resource {
|
|
get { return nativeFileResource; }
|
|
}
|
|
|
|
public bool Detected {
|
|
get { return nativeLibCallerType != null; }
|
|
}
|
|
|
|
public NativeLibSaver(ModuleDefinition module) {
|
|
this.module = module;
|
|
}
|
|
|
|
public NativeLibSaver(ModuleDefinition module, NativeLibSaver oldOne) {
|
|
this.module = module;
|
|
this.nativeLibCallerType = lookup(oldOne.nativeLibCallerType, "Could not find nativeLibCallerType");
|
|
this.initMethod = lookup(oldOne.initMethod, "Could not find initMethod");
|
|
if (oldOne.nativeFileResource != null) {
|
|
this.nativeFileResource = DotNetUtils.getResource(module, oldOne.nativeFileResource.Name);
|
|
if (this.nativeFileResource == null)
|
|
throw new ApplicationException("Could not find nativeFileResource");
|
|
}
|
|
}
|
|
|
|
T lookup<T>(T def, string errorMessage) where T : MemberReference {
|
|
return DeobUtils.lookup(module, def, errorMessage);
|
|
}
|
|
|
|
public void find() {
|
|
foreach (var info in DotNetUtils.getCalledMethods(module, DotNetUtils.getModuleTypeCctor(module))) {
|
|
if (!DotNetUtils.isMethod(info.Item2, "System.Void", "()"))
|
|
continue;
|
|
if (info.Item1.FullName != "<PrivateImplementationDetails>{F1C5056B-0AFC-4423-9B83-D13A26B48869}")
|
|
continue;
|
|
|
|
nativeLibCallerType = info.Item1;
|
|
initMethod = info.Item2;
|
|
foreach (var s in DotNetUtils.getCodeStrings(initMethod)) {
|
|
nativeFileResource = DotNetUtils.getResource(module, s);
|
|
if (nativeFileResource != null)
|
|
break;
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|