/*
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 .
*/
using System.Collections.Generic;
using dot10.DotNet;
namespace de4dot.code.deobfuscators.CodeVeil {
class InvalidMethodsFinder {
public static List findAll(ModuleDefMD module) {
var list = new List();
foreach (var type in module.GetTypes()) {
foreach (var method in type.Methods) {
if (isInvalidMethod(method))
list.Add(method);
}
}
return list;
}
public static bool isInvalidMethod(MethodDef method) {
if (method == null || method.IsStatic)
return false;
var sig = method.MethodSig;
if (sig == null || sig.Params.Count != 0)
return false;
if (sig.RetType == null)
return true;
var retType = sig.RetType as GenericSig;
if (retType == null)
return false;
if (retType.IsMethodVar)
return retType.Number >= sig.GenParamCount;
var dt = method.DeclaringType;
return dt == null || retType.Number >= dt.GenericParameters.Count;
}
}
}