114 lines
2.7 KiB
C#
114 lines
2.7 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 System.Collections.Generic;
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using dnlib.DotNet;
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using de4dot.blocks;
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namespace de4dot.code {
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// "global" data and methods that is shared between all deobfuscators that deobfuscate
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// assemblies at the same time.
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public class DeobfuscatorContext : IDeobfuscatorContext {
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Dictionary<string, object> dataDict = new Dictionary<string, object>(StringComparer.Ordinal);
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public void Clear() {
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dataDict.Clear();
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}
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public void SetData(string name, object data) {
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dataDict[name] = data;
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}
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public object GetData(string name) {
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object value;
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dataDict.TryGetValue(name, out value);
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return value;
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}
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public void ClearData(string name) {
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dataDict.Remove(name);
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}
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static ITypeDefOrRef GetNonGenericTypeRef(ITypeDefOrRef typeRef) {
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var ts = typeRef as TypeSpec;
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if (ts == null)
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return typeRef;
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var gis = ts.TryGetGenericInstSig();
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if (gis == null || gis.GenericType == null)
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return typeRef;
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return gis.GenericType.TypeDefOrRef;
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}
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public TypeDef ResolveType(ITypeDefOrRef type) {
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if (type == null)
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return null;
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type = GetNonGenericTypeRef(type);
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var typeDef = type as TypeDef;
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if (typeDef != null)
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return typeDef;
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var tr = type as TypeRef;
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if (tr != null)
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return tr.Resolve();
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return null;
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}
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public MethodDef ResolveMethod(IMethod method) {
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if (method == null)
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return null;
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var md = method as MethodDef;
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if (md != null)
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return md;
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var mr = method as MemberRef;
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if (mr == null || !mr.IsMethodRef)
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return null;
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var type = ResolveType(mr.DeclaringType);
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if (type == null)
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return null;
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return type.Resolve(mr) as MethodDef;
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}
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public FieldDef ResolveField(IField field) {
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if (field == null)
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return null;
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var fd = field as FieldDef;
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if (fd != null)
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return fd;
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var mr = field as MemberRef;
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if (mr == null || !mr.IsFieldRef)
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return null;
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var type = ResolveType(mr.DeclaringType);
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if (type == null)
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return null;
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return type.Resolve(mr) as FieldDef;
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}
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}
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}
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