/*
Copyright (C) 2011-2015 de4dot@gmail.com
This file is part of de4dot.
de4dot is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
de4dot is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with de4dot. If not, see .
*/
using System.Collections.Generic;
using dnlib.DotNet;
using dnlib.DotNet.Emit;
namespace de4dot.blocks.cflow {
public class CflowDeobfuscator : ICflowDeobfuscator {
BlocksCflowDeobfuscator cflowDeobfuscator = new BlocksCflowDeobfuscator();
public CflowDeobfuscator() {
}
public CflowDeobfuscator(IBlocksDeobfuscator blocksDeobfuscator) {
cflowDeobfuscator.Add(blocksDeobfuscator);
}
public void Deobfuscate(MethodDef method) {
Deobfuscate(method, (blocks) => {
cflowDeobfuscator.Initialize(blocks);
cflowDeobfuscator.Deobfuscate();
});
}
static bool HasNonEmptyBody(MethodDef method) {
return method.Body != null && method.Body.Instructions.Count > 0;
}
void Deobfuscate(MethodDef method, Action handler) {
if (HasNonEmptyBody(method)) {
var blocks = new Blocks(method);
handler(blocks);
IList allInstructions;
IList allExceptionHandlers;
blocks.GetCode(out allInstructions, out allExceptionHandlers);
DotNetUtils.RestoreBody(method, allInstructions, allExceptionHandlers);
}
}
}
}