101 lines
2.8 KiB
C#
101 lines
2.8 KiB
C#
/*
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Copyright (C) 2011-2013 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 System.Reflection;
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using AssemblyData;
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namespace de4dot.code.deobfuscators.Eazfuscator_NET {
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class DynocodeService : IUserGenericService {
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public const int MSG_CREATE_ENUMERABLE = 0;
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public const int MSG_WRITE_ENUMERABLE_FIELD = 1;
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public const int MSG_CREATE_ENUMERATOR = 2;
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public const int MSG_CALL_GET_CURRENT = 3;
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public const int MSG_CALL_MOVE_NEXT = 4;
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Module reflObfModule;
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IEnumerable<int> ienumerable = null;
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IEnumerator<int> ienumerator = null;
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[CreateUserGenericService]
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public static IUserGenericService Create() {
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return new DynocodeService();
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}
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public void AssemblyLoaded(Assembly assembly) {
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this.reflObfModule = assembly.ManifestModule;
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}
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public object HandleMessage(int msg, object[] args) {
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switch (msg) {
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case MSG_CREATE_ENUMERABLE:
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CreateEnumerable((uint)args[0], args[1] as object[]);
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return true;
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case MSG_WRITE_ENUMERABLE_FIELD:
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WriteEnumerableField((uint)args[0], args[1] as object);
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return true;
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case MSG_CREATE_ENUMERATOR:
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CreateEnumerator();
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return true;
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case MSG_CALL_GET_CURRENT:
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return CallGetCurrent();
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case MSG_CALL_MOVE_NEXT:
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return CallMoveNext();
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default:
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throw new ApplicationException(string.Format("Invalid msg: {0:X8}", msg));
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}
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}
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void CreateEnumerable(uint ctorToken, object[] args) {
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var ctor = reflObfModule.ResolveMethod((int)ctorToken) as ConstructorInfo;
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if (ctor == null)
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throw new ApplicationException(string.Format("Invalid ctor with token: {0:X8}", ctorToken));
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ienumerable = (IEnumerable<int>)ctor.Invoke(args);
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}
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void WriteEnumerableField(uint fieldToken, object value) {
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var field = reflObfModule.ResolveField((int)fieldToken);
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if (field == null)
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throw new ApplicationException(string.Format("Invalid field: {0:X8}", fieldToken));
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field.SetValue(ienumerable, value);
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}
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void CreateEnumerator() {
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ienumerator = ienumerable.GetEnumerator();
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}
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int CallGetCurrent() {
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return ienumerator.Current;
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}
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bool CallMoveNext() {
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return ienumerator.MoveNext();
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}
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public void Dispose() {
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}
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}
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}
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