mirror of
https://github.com/0xd4d/de4dot
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de4dot
74 lines
2.6 KiB
C#
74 lines
2.6 KiB
C#
/*
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Copyright (C) 2011-2015 de4dot@gmail.com
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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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using System;
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using dnlib.DotNet;
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using de4dot.blocks;
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namespace de4dot.code.deobfuscators.Babel_NET {
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// Converts type references/definitions in one module to this module
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class MemberRefConverter {
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ModuleDefMD module;
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public ModuleDefMD Module => module;
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public MemberRefConverter(ModuleDefMD module) => this.module = module;
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bool IsInOurModule(IMemberRef memberRef) => memberRef.Module == module;
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Importer CreateImporter() => new Importer(module, ImporterOptions.TryToUseTypeDefs);
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public TypeSig Convert(TypeRef typeRef) => CreateImporter().Import(typeRef).ToTypeSig();
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ITypeDefOrRef Convert(ITypeDefOrRef tdr) => (ITypeDefOrRef)CreateImporter().Import(tdr);
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TypeSig Convert2(TypeSig ts) => CreateImporter().Import(ts);
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public TypeSig Convert(TypeSig ts) => CreateImporter().Import(ts);
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public IField Convert(IField fieldRef) {
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if (IsInOurModule(fieldRef))
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return TryGetFieldDef(fieldRef);
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return CreateImporter().Import(fieldRef);
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}
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public IMethodDefOrRef Convert(IMethod methodRef) {
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if (!(methodRef is MemberRef || methodRef is MethodDef) || methodRef.MethodSig == null)
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throw new ApplicationException("Invalid method reference type");
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if (IsInOurModule(methodRef))
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return (IMethodDefOrRef)TryGetMethodDef(methodRef);
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return (IMethodDefOrRef)CreateImporter().Import(methodRef);
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}
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public IField TryGetFieldDef(IField fieldRef) {
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if (fieldRef is FieldDef fieldDef)
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return fieldDef;
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var declaringType = DotNetUtils.GetType(module, fieldRef.DeclaringType);
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if (declaringType == null)
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return fieldRef;
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return DotNetUtils.GetField(declaringType, fieldRef);
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}
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public IMethod TryGetMethodDef(IMethod methodRef) {
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if (methodRef is MethodDef methodDef)
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return methodDef;
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var declaringType = DotNetUtils.GetType(module, methodRef.DeclaringType);
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if (declaringType == null)
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return methodRef;
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return DotNetUtils.GetMethod(declaringType, methodRef);
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}
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}
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}
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