80 lines
3.3 KiB
Java
80 lines
3.3 KiB
Java
package the.bytecode.club.bytecodeviewer.obfuscators.rename;
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import org.objectweb.asm.Opcodes;
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import org.objectweb.asm.tree.ClassNode;
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import org.objectweb.asm.tree.MethodNode;
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import the.bytecode.club.bytecodeviewer.BytecodeViewer;
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import the.bytecode.club.bytecodeviewer.Configuration;
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import the.bytecode.club.bytecodeviewer.obfuscators.JavaObfuscator;
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import the.bytecode.club.bytecodeviewer.obfuscators.mapping.data.MappingData;
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/***************************************************************************
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* Bytecode Viewer (BCV) - Java & Android Reverse Engineering Suite *
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* Copyright (C) 2014 Kalen 'Konloch' Kinloch - http://bytecodeviewer.com *
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* *
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* This program 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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* *
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* This program 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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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>. *
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***************************************************************************/
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/**
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* Rename classes.
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*
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* @author Konloch
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*/
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public class RenameClasses extends JavaObfuscator {
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public static void open()
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{
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if (Configuration.runningObfuscation) {
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BytecodeViewer.showMessage("You're currently running an obfuscation task, wait for this to finish"
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+ ".");
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return;
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}
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new RenameClasses().start();
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BytecodeViewer.viewer.workPane.refreshClass.doClick();
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BytecodeViewer.viewer.resourcePane.tree.updateUI();
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}
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@Override
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public void obfuscate() {
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int stringLength = 5;//getStringLength();
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System.out.println("Obfuscating class names...");
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classLoop:
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for (ClassNode c : BytecodeViewer.getLoadedClasses()) {
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/* As we dont want to rename classes that contain native dll methods */
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for (MethodNode o : c.methods) {
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/* As we dont want to rename any main-classes */
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if (o.name.equals("main") && o.desc.equals("([Ljava/lang/String;)V")
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|| o.name.equals("init") && c.superName.equals("java/applet/Applet"))
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continue classLoop;
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/* As we dont want to rename native dll methods */
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if ((o.access & Opcodes.ACC_NATIVE) != 0)
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continue classLoop;
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}
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String newName = generateUniqueName(stringLength);
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BytecodeViewer.refactorer.getHooks().addClass(new MappingData(c.name, newName));
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/*ASMUtil_OLD.renameClassNode(c.name, newName);
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c.name = newName;*/
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}
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System.out.println("Obfuscated class names.");
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}
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}
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