Little cleanup of old stuff I was trying

This commit is contained in:
Adam
2015-11-07 22:27:15 -05:00
parent 25cb9b5f8b
commit cb639749e1
3 changed files with 31 additions and 194 deletions

View File

@@ -9,6 +9,7 @@ import java.io.DataOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import net.runelite.deob.util.IdGen;
public abstract class Instruction implements Cloneable
{
@@ -241,6 +242,7 @@ public abstract class Instruction implements Cloneable
{
}
// instructions keep resolved method/field/class names, this updates the pool value (if the underlying resolved object changes)
public void regeneratePool()
{
}

View File

@@ -3,144 +3,20 @@ package net.runelite.deob.deobfuscators.rename;
import edu.ucla.sspace.graph.Graph;
import edu.ucla.sspace.graph.isomorphism.IsomorphismTester;
import edu.ucla.sspace.graph.isomorphism.TypedVF2IsomorphismTester;
import java.nio.ByteBuffer;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.stream.Collectors;
import net.runelite.deob.ClassFile;
import net.runelite.deob.ClassGroup;
import net.runelite.deob.Field;
import net.runelite.deob.Method;
import net.runelite.deob.attributes.code.Instruction;
import net.runelite.deob.attributes.code.instruction.types.InvokeInstruction;
import net.runelite.deob.execution.Execution;
import net.runelite.deob.execution.Frame;
import net.runelite.deob.signature.Signature;
import net.runelite.deob.signature.Type;
public class Rename
{
public static int hash(Object... objects)
{
MessageDigest md;
try
{
md = MessageDigest.getInstance("MD5");
}
catch (NoSuchAlgorithmException ex)
{
throw new RuntimeException(ex);
}
for (Object o : objects)
md.update(o.toString().getBytes());
byte[] b = md.digest();
ByteBuffer buf = ByteBuffer.wrap(b);
return buf.getInt() ^ buf.getInt() ^ buf.getInt() ^ buf.getInt();
}
public static int hashType(Type type)
{
int dimms = type.getArrayDims();
String t = type.getType();
if (t.startsWith("L"))
t = "class";
return hash(dimms, t);
}
public static int fingerprintField(Field f)
{
return hashType(f.getType());
}
private int fingerprintMethod(Method m)
{
int type = hashType(m.getNameAndType().getDescriptorType());
Signature sig = m.getDescriptor();
for (int i = 0; i < sig.size(); ++i)
{
Type t = sig.getTypeOfArg(i);
type ^= hashType(t);
}
return type;
}
private int fingerprintClass(ClassFile cf)
{
int hash = 0;
ClassFile f = cf.getParent();
if (f != null)
hash ^= fingerprintClass(f);
for (ClassFile i : cf.getInterfaces().getMyInterfaces())
hash ^= fingerprintClass(i);
int count = 0;
for (Field fi : cf.getFields().getFields())
{
if (fi.isStatic())
continue;
hash ^= fingerprintField(fi) << (count++ % 16);
}
return hash;
}
// private static boolean isExpressionInstruction(Instruction in)
// {
// return
// in instanceof SetFieldInstruction ||
// (in instanceof LVTInstruction && ((LVTInstruction) in).store()) ||
// in instanceof InvokeInstruction ||
// in instanceof ComparisonInstruction;
// }
//
// private static List<Instruction> getExprIns(Frame frame)
// {
// return frame.getInstructions().stream().map(i -> i.getInstruction()).filter(i -> isExpressionInstruction(i)).collect(Collectors.toList());
// }
//
// private static boolean equalsFrames(Frame one, Frame two)
// {
// List<Instruction> oneIns = getExprIns(one),
// twoIns = getExprIns(two);
//
// if (oneIns.size() != twoIns.size() || oneIns.isEmpty())
// return false;
//
// for (int i = 0; i < oneIns.size(); ++i)
// {
// Instruction i1 = oneIns.get(i),
// i2 = twoIns.get(i);
//
// if (i1.getType() != i2.getType())
// return false;
// }
//
// if (one.getMethod().getName().startsWith("method") && two.getMethod().getName().startsWith("method"))
// {
// int i =5;
// }
// return true;
// }
private void printInfo(ClassGroup group)
{
int fields = 0, methods = 0;
for (ClassFile cf : group.getClasses())
{
methods += cf.getMethods().getMethods().stream().filter(m -> !m.isStatic()).count();
fields += cf.getFields().getFields().stream().filter(f -> !f.isStatic()).count();
}
System.out.println("Classes: " + group.getClasses().size() + " fields " + fields + " methods " + methods);
}
{
public void run(ClassGroup one, ClassGroup two)
{
Execution eone = new Execution(one);
@@ -164,6 +40,8 @@ public class Rename
Map<Integer, Integer> mapping = isoTest.findIsomorphism(g1, g2);
Map<Integer, Instruction> map1 = ff1.getIdMap(), map2 = ff2.getIdMap();
Map<Object, Object> objMap = new HashMap<>();
for (Entry<Integer, Integer> e : mapping.entrySet())
{
if (e.getKey() == null || e.getValue() == null)
@@ -178,76 +56,22 @@ public class Rename
assert i1.getClass() == i2.getClass();
InvokeInstruction ii1 = (InvokeInstruction) i1, ii2 = (InvokeInstruction) i2;
assert ii1.getMethods().size() == ii2.getMethods().size();
for (int i = 0; i < ii1.getMethods().size(); ++i)
{
Method m1 = ii1.getMethods().get(i), m2 = ii2.getMethods().get(i);
assert objMap.containsKey(m1) == false || objMap.get(m1) == m2;
objMap.put(m1, m2);
}
//ii1.getMethods().
System.out.println("MATCH " + ii1.getMethods().get(0).getName() + " -> " + ii2.getMethods().get(0).getName());
}
System.out.print(eone);
// for (ClassFile cf : one.getClasses())
// {
// if (!cf.getFields().getFields().stream().anyMatch(f -> !f.isStatic()))
// continue;
//
// ClassInfo info = new ClassInfo(cf);
// info.build();
//
// for (ClassFile cf2 : two.getClasses())
// {
// if (!cf2.getFields().getFields().stream().anyMatch(f -> !f.isStatic()))
// {
// continue;
// }
//
// ClassInfo info2 = new ClassInfo(cf2);
// info2.build();
//
// if (info.equals(info2))
// {
// System.out.println("cl match " + cf.getName() + " -> " + cf2.getName());
// }
// }
// }
// GraphInfo graphOne = new GraphInfo(one);
// graphOne.populate();
//
// GraphInfo graphTwo = new GraphInfo(two);
// graphTwo.populate();
//
// //Map<Integer, Integer> mapping = new HashMap<>();
//
//// for (ClassFile cf : one.getClasses())
//// {
//// ClassFile cf2 = two.findClass(cf.getName());
//// assert cf2 != null;
//// mapping.put(graphOne.getIds().toId(cf), graphTwo.getIds().toId(cf2));
//// }
////
// //graphOne.getGraph().
// System.out.println(graphOne.getGraph().size());
// System.out.println(graphTwo.getGraph().size());
//
// printInfo(one);
// printInfo(two);
//
// //graphOne.getGraph().
//
// IsomorphismTester isoTest = new TypedVF2IsomorphismTester();
// System.out.println(isoTest.areIsomorphic(graphOne.getGraph(), graphTwo.getGraph()));
// Execution ex1 = new Execution(one);
// ex1.populateInitialMethods();
// ex1.run();
//
// Execution ex2 = new Execution(two);
// ex2.populateInitialMethods();
// ex2.run();
//
// for (Frame f : ex1.processedFrames)
// for (Frame f2 : ex2.processedFrames)
// {
// if (f.getMethod().getName().equals("vmethod2976") && f2.getMethod().getName().equals("method3115"))
// {
// if (equalsFrames(f, f2))
// System.out.println(f.getMethod().getName() + " " + f2.getMethod().getName());
// }
// }
System.out.println("done");
}
}

View File

@@ -0,0 +1,11 @@
package net.runelite.deob.util;
public class IdGen
{
private volatile int cur;
public synchronized int get()
{
return cur++;
}
}