2012-02-12 23:24:59 +08:00
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/*
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2014-03-12 05:15:43 +08:00
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Copyright (C) 2011-2014 de4dot@gmail.com
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2012-02-12 23:24:59 +08:00
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This file is part of de4dot.
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de4dot is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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de4dot is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with de4dot. If not, see <http://www.gnu.org/licenses/>.
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*/
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2012-02-12 23:29:29 +08:00
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using System.Collections.Generic;
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2012-12-20 09:06:09 +08:00
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using dnlib.DotNet;
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2012-02-12 23:24:59 +08:00
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namespace de4dot.code.deobfuscators.CodeVeil {
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class InvalidMethodsFinder {
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2013-01-19 20:03:57 +08:00
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public static List<MethodDef> FindAll(ModuleDefMD module) {
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2012-11-02 22:57:11 +08:00
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var list = new List<MethodDef>();
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2012-02-12 23:29:29 +08:00
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foreach (var type in module.GetTypes()) {
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foreach (var method in type.Methods) {
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2013-01-19 20:03:57 +08:00
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if (IsInvalidMethod(method))
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2012-02-12 23:29:29 +08:00
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list.Add(method);
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}
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}
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return list;
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}
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2013-01-19 20:03:57 +08:00
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public static bool IsInvalidMethod(MethodDef method) {
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2012-11-08 16:48:05 +08:00
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if (method == null || method.IsStatic)
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2012-02-12 23:24:59 +08:00
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return false;
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2012-11-08 16:48:05 +08:00
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var sig = method.MethodSig;
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if (sig == null || sig.Params.Count != 0)
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2012-02-12 23:24:59 +08:00
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return false;
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2012-11-20 13:45:23 +08:00
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if (sig.RetType == null)
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return true;
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2012-11-08 16:48:05 +08:00
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var retType = sig.RetType as GenericSig;
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2012-02-12 23:24:59 +08:00
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if (retType == null)
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return false;
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2012-11-08 16:48:05 +08:00
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if (retType.IsMethodVar)
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return retType.Number >= sig.GenParamCount;
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var dt = method.DeclaringType;
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2012-11-17 06:50:52 +08:00
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return dt == null || retType.Number >= dt.GenericParameters.Count;
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2012-02-12 23:24:59 +08:00
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}
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}
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}
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