3 files changed, 85 insertions, 1 deletions

diff --git a/src/cuchaz/enigma/CommandMain.java b/src/cuchaz/enigma/CommandMain.java
index 0253a92f..74c01913 100644
--- a/src/cuchaz/enigma/CommandMain.java
+++ b/src/cuchaz/enigma/CommandMain.java
@@ -54,8 +54,10 @@ public class CommandMain {
                         String command = getArg(args, 0, "command", true);
                         if (command.equalsIgnoreCase("deobfuscate")) {
                                 deobfuscate(args);
-                        } else if(command.equalsIgnoreCase("decompile")) {
+                        } else if (command.equalsIgnoreCase("decompile")) {
                                 decompile(args);
+                        } else if (command.equalsIgnoreCase("protectify")) {
+                                protectify(args);
                         } else {
                                 throw new IllegalArgumentException("Command not recognized: " + command);
                         }
@@ -72,6 +74,7 @@ public class CommandMain {
                 System.out.println("\twhere <command> is one of:");
                 System.out.println("\t\tdeobfuscate <in jar> <out jar> [<mappings file>]");
                 System.out.println("\t\tdecompile <in jar> <out folder> [<mappings file>]");
+                System.out.println("\t\tprotectify <in jar> <out jar>");
         }
         
         private static void decompile(String[] args)
@@ -92,6 +95,14 @@ public class CommandMain {
                 deobfuscator.writeJar(fileJarOut, new ConsoleProgressListener());
         }
         
+        private static void protectify(String[] args)
+        throws Exception {
+                File fileJarIn = getReadableFile(getArg(args, 1, "in jar", true));
+                File fileJarOut = getWritableFile(getArg(args, 2, "out jar", true));
+                Deobfuscator deobfuscator = getDeobfuscator(null, new JarFile(fileJarIn));
+                deobfuscator.protectifyJar(fileJarOut, new ConsoleProgressListener());
+        }
+        
         private static Deobfuscator getDeobfuscator(File fileMappings, JarFile jar)
         throws Exception {
                 System.out.println("Reading jar...");
diff --git a/src/cuchaz/enigma/Deobfuscator.java b/src/cuchaz/enigma/Deobfuscator.java
index b63f1639..82ce6a2b 100644
--- a/src/cuchaz/enigma/Deobfuscator.java
+++ b/src/cuchaz/enigma/Deobfuscator.java
@@ -45,6 +45,7 @@ import cuchaz.enigma.analysis.JarIndex;
 import cuchaz.enigma.analysis.SourceIndex;
 import cuchaz.enigma.analysis.SourceIndexVisitor;
 import cuchaz.enigma.analysis.Token;
+import cuchaz.enigma.bytecode.ClassProtectifier;
 import cuchaz.enigma.mapping.ArgumentEntry;
 import cuchaz.enigma.mapping.BehaviorEntry;
 import cuchaz.enigma.mapping.ClassEntry;
@@ -357,6 +358,37 @@ public class Deobfuscator {
                 }
         }
         
+        public void protectifyJar(File out, ProgressListener progress) {
+                try (JarOutputStream outJar = new JarOutputStream(new FileOutputStream(out))) {
+                        if (progress != null) {
+                                progress.init(JarClassIterator.getClassEntries(m_jar).size(), "Protectifying classes...");
+                        }
+                        
+                        int i = 0;
+                        for (CtClass c : JarClassIterator.classes(m_jar)) {
+                                if (progress != null) {
+                                        progress.onProgress(i++, c.getName());
+                                }
+                                
+                                try {
+                                        c = ClassProtectifier.protectify(c);
+                                        outJar.putNextEntry(new JarEntry(c.getName().replace('.', '/') + ".class"));
+                                        outJar.write(c.toBytecode());
+                                        outJar.closeEntry();
+                                } catch (Throwable t) {
+                                        throw new Error("Unable to protectify class " + c.getName(), t);
+                                }
+                        }
+                        if (progress != null) {
+                                progress.onProgress(i, "Done!");
+                        }
+                        
+                        outJar.close();
+                } catch (IOException ex) {
+                        throw new Error("Unable to write to Jar file!");
+                }
+        }
+        
         public <T extends Entry> T obfuscateEntry(T deobfEntry) {
                 if (deobfEntry == null) {
                         return null;
diff --git a/src/cuchaz/enigma/bytecode/ClassProtectifier.java b/src/cuchaz/enigma/bytecode/ClassProtectifier.java
new file mode 100644
index 00000000..49a62690
--- /dev/null
+++ b/src/cuchaz/enigma/bytecode/ClassProtectifier.java
@@ -0,0 +1,41 @@
+package cuchaz.enigma.bytecode;
+
+import javassist.CtBehavior;
+import javassist.CtClass;
+import javassist.CtField;
+import javassist.bytecode.AccessFlag;
+import javassist.bytecode.InnerClassesAttribute;
+
+
+public class ClassProtectifier {
+
+        public static CtClass protectify(CtClass c) {
+                
+                // protectify all the fields
+                for (CtField field : c.getDeclaredFields()) {
+                        field.setModifiers(protectify(field.getModifiers()));
+                }
+                
+                // protectify all the methods and constructors
+                for (CtBehavior behavior : c.getDeclaredBehaviors()) {
+                        behavior.setModifiers(protectify(behavior.getModifiers()));
+                }
+                
+                // protectify all the inner classes
+                InnerClassesAttribute attr = (InnerClassesAttribute)c.getClassFile().getAttribute(InnerClassesAttribute.tag);
+                if (attr != null) {
+                        for (int i=0; i<attr.tableLength(); i++) {
+                                attr.setAccessFlags(i, protectify(attr.accessFlags(i)));
+                        }
+                }
+                
+                return c;
+        }
+
+        private static int protectify(int flags) {
+                if (AccessFlag.isPrivate(flags)) {
+                        flags = AccessFlag.setProtected(flags);
+                }
+                return flags;
+        }
+}