86 lines
2.4 KiB
C#
86 lines
2.4 KiB
C#
/*
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Copyright (C) 2011 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 Mono.Cecil;
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using Mono.Cecil.Cil;
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namespace de4dot.blocks {
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public class Blocks {
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MethodDefinition method;
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IList<VariableDefinition> locals;
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MethodBlocks methodBlocks;
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public MethodBlocks MethodBlocks {
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get { return methodBlocks; }
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}
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public IList<VariableDefinition> Locals {
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get { return locals; }
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}
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public MethodDefinition Method {
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get { return method; }
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}
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public Blocks(MethodDefinition method) {
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var body = method.Body;
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this.method = method;
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this.locals = body.Variables;
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methodBlocks = new InstructionListParser(body.Instructions, body.ExceptionHandlers).parse();
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}
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public void deobfuscateLeaveObfuscation() {
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foreach (var scopeBlock in getAllScopeBlocks(methodBlocks))
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scopeBlock.deobfuscateLeaveObfuscation();
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}
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public int deobfuscate() {
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foreach (var scopeBlock in getAllScopeBlocks(methodBlocks))
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scopeBlock.deobfuscate(this);
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int numDeadBlocks = removeDeadBlocks();
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foreach (var scopeBlock in getAllScopeBlocks(methodBlocks)) {
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scopeBlock.mergeBlocks();
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scopeBlock.repartitionBlocks();
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scopeBlock.deobfuscateLeaveObfuscation();
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}
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return numDeadBlocks;
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}
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IEnumerable<ScopeBlock> getAllScopeBlocks(ScopeBlock scopeBlock) {
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var list = new List<ScopeBlock>();
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list.Add(scopeBlock);
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list.AddRange(scopeBlock.getAllScopeBlocks());
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return list;
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}
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public int removeDeadBlocks() {
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return new DeadBlocksRemover(methodBlocks).remove();
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}
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public void getCode(out IList<Instruction> allInstructions, out IList<ExceptionHandler> allExceptionHandlers) {
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new CodeGenerator(methodBlocks).getCode(out allInstructions, out allExceptionHandlers);
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}
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}
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}
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