ra/runelite
1
0
Fork 0
Code Issues Pull Requests Actions 3 Packages Projects Releases Wiki Activity

dupx1 test

Browse Source
This commit is contained in:
Adam
2015-10-03 11:42:04 -04:00
parent ec034ce50d
commit fb10ab8daa
14 changed files with 191 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
src/main/java/net/runelite/deob/ClassFile.java
View File

@@ -61,6 +61,7 @@ public class ClassFile
{
this.group = group;
interfaces = new Interfaces(this);
fields = new Fields(this);
methods = new Methods(this);
attributes = new Attributes(this);
@@ -131,6 +132,16 @@ public class ClassFile
this.name = new Class(name);
}
public String getSuperName()
{
return super_class.getName();
}
public void setSuperName(String name)
{
super_class = new Class(name);
}
public Class getParentClass()
{
return this.super_class;

5
src/main/java/net/runelite/deob/Interfaces.java
View File

@@ -24,6 +24,11 @@ public class Interfaces
interfaces.add(c.getPool().getClass(is.readUnsignedShort()));
}
Interfaces(ClassFile c)
{
classFile = c;
}
public List<Class> getInterfaces()
{
return interfaces;

10
src/main/java/net/runelite/deob/Method.java
View File

@@ -75,6 +75,11 @@ public class Method
return attributes;
}
public void setAttributes(Attributes a)
{
this.attributes = a;
}
public String getName()
{
return name;
@@ -100,6 +105,11 @@ public class Method
return (accessFlags & ACC_STATIC) != 0;
}
public void setStatic()
{
accessFlags |= ACC_STATIC;
}
public boolean isSynchronized()
{
return (accessFlags & ACC_SYNCHRONIZED) != 0;

5
src/main/java/net/runelite/deob/Methods.java
View File

@@ -37,6 +37,11 @@ public class Methods
m.write(out);
}
public void addMethod(Method m)
{
methods.add(m);
}
public void removeMethod(Method m)
{
methods.remove(m);

1
src/main/java/net/runelite/deob/attributes/Code.java
View File

@@ -23,6 +23,7 @@ public class Code extends Attribute
exceptions = new Exceptions(this);
this.attributes = new Attributes(this);
instructions = new Instructions(this);
}
@Override

5
src/main/java/net/runelite/deob/attributes/code/Instructions.java
View File

@@ -71,6 +71,11 @@ public class Instructions
return instructions;
}
public void addInstruction(Instruction i)
{
instructions.add(i);
}
public List<Block> getBlocks()
{
return blocks;

7
src/main/java/net/runelite/deob/attributes/code/instructions/Dup_X1.java
View File

@@ -12,10 +12,15 @@ import net.runelite.deob.attributes.code.instruction.types.DupInstruction;
public class Dup_X1 extends Instruction implements DupInstruction
{
public Dup_X1(Instructions instructions, InstructionType type, int pc) throws IOException
public Dup_X1(Instructions instructions, InstructionType type, int pc)
{
super(instructions, type, pc);
}
public Dup_X1(Instructions instructions)
{
super(instructions, InstructionType.DUP_X1, -1);
}
@Override
public void execute(Frame frame)

2
src/main/java/net/runelite/deob/attributes/code/instructions/IConst_3.java
View File

@@ -21,7 +21,7 @@ public class IConst_3 extends Instruction implements PushConstantInstruction
public IConst_3(Instructions instructions)
{
super(instructions, InstructionType.ICONST_3, 0);
super(instructions, InstructionType.ICONST_3, -1);
}
@Override

2
src/main/java/net/runelite/deob/attributes/code/instructions/ILoad.java
View File

@@ -24,7 +24,7 @@ public class ILoad extends Instruction implements LVTInstruction, WideInstructio
public ILoad(Instructions instructions, int index)
{
super(instructions, InstructionType.ILOAD, 0);
super(instructions, InstructionType.ILOAD, -1);
this.index = index;
++length;
}

7
src/main/java/net/runelite/deob/attributes/code/instructions/IStore_0.java
View File

@@ -16,10 +16,15 @@ import java.io.IOException;
public class IStore_0 extends Instruction implements LVTInstruction
{
public IStore_0(Instructions instructions, InstructionType type, int pc) throws IOException
public IStore_0(Instructions instructions, InstructionType type, int pc)
{
super(instructions, type, pc);
}
public IStore_0(Instructions instructions)
{
super(instructions, InstructionType.ISTORE_0, -1);
}
@Override
public void execute(Frame frame)

10
src/main/java/net/runelite/deob/attributes/code/instructions/LDC_W.java
View File

@@ -33,6 +33,11 @@ public class LDC_W extends Instruction implements PushConstantInstruction
length += 2;
}
public LDC_W(Instructions instructions, int value)
{
this(instructions, new net.runelite.deob.pool.Integer(value));
}
@Override
public void load(DataInputStream is) throws IOException
{
@@ -148,4 +153,9 @@ public class LDC_W extends Instruction implements PushConstantInstruction
return super.makeSpecific();
}
public int getConstantAsInt()
{
return (int) value.getObject();
}
}

8
src/main/java/net/runelite/deob/attributes/code/instructions/Pop.java
View File

@@ -7,14 +7,18 @@ import net.runelite.deob.execution.Frame;
import net.runelite.deob.execution.InstructionContext;
import net.runelite.deob.execution.StackContext;
import java.io.IOException;
public class Pop extends Instruction
{
public Pop(Instructions instructions, InstructionType type, int pc) throws IOException
public Pop(Instructions instructions, InstructionType type, int pc)
{
super(instructions, type, pc);
}
public Pop(Instructions instructions)
{
super(instructions, InstructionType.POP, -1);
}
@Override
public void execute(Frame frame)

5
src/main/java/net/runelite/deob/attributes/code/instructions/VReturn.java
View File

@@ -14,6 +14,11 @@ public class VReturn extends Instruction implements ReturnInstruction
{
super(instructions, type, pc);
}
public VReturn(Instructions instructions)
{
super(instructions, InstructionType.RETURN, -1);
}
@Override
public void execute(Frame frame)

119
src/test/java/net/runelite/deob/deobfuscators/arithmetic/MultiplicationDeobfuscatorTest.java Normal file
View File

@@ -0,0 +1,119 @@
package net.runelite.deob.deobfuscators.arithmetic;
import net.runelite.deob.ClassFile;
import net.runelite.deob.ClassGroup;
import net.runelite.deob.Deobfuscator;
import net.runelite.deob.Method;
import net.runelite.deob.Methods;
import net.runelite.deob.attributes.Attributes;
import net.runelite.deob.attributes.Code;
import net.runelite.deob.attributes.code.Instruction;
import net.runelite.deob.attributes.code.Instructions;
import net.runelite.deob.attributes.code.instructions.Dup_X1;
import net.runelite.deob.attributes.code.instructions.IConst_0;
import net.runelite.deob.attributes.code.instructions.IConst_3;
import net.runelite.deob.attributes.code.instructions.ILoad;
import net.runelite.deob.attributes.code.instructions.IMul;
import net.runelite.deob.attributes.code.instructions.IStore_0;
import net.runelite.deob.attributes.code.instructions.LDC_W;
import net.runelite.deob.attributes.code.instructions.Pop;
import net.runelite.deob.attributes.code.instructions.VReturn;
import net.runelite.deob.execution.Execution;
import net.runelite.deob.signature.Signature;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
public class MultiplicationDeobfuscatorTest
{
private ClassGroup group;
private Code code;
private Instructions ins;
@Before
public void init()
{
group = new ClassGroup();
ClassFile cf = new ClassFile(group);
cf.setName("test");
cf.setSuperName("java/lang/Object");
group.addClass(cf);
Methods methods = cf.getMethods();
Method method = new Method(methods, "func", new Signature("()V"));
method.setStatic();
methods.addMethod(method);
Attributes methodAttributes = method.getAttributes();
code = new Code(methodAttributes);
methodAttributes.addAttribute(code);
ins = code.getInstructions();
}
// aload 2
// ldc_w 1587543155
// iload 4
// imul
// dup_x1
// ldc_w -2130376517
// imul
// putfield class2/field279 I
// ldc_w -67313687
// imul
// putstatic class29/field949 I
@Test
public void testDupX1()
{
code.setMaxStack(5);
// vars[0] = 3
Instruction[] prepareVariables = {
new IConst_3(ins),
new IStore_0(ins)
};
for (Instruction i : prepareVariables)
ins.addInstruction(i);
LDC_W constant1 = new LDC_W(ins, 1587543155),
constant2 = new LDC_W(ins, -2130376517),
constant3 = new LDC_W(ins, -67313687);
Instruction body[] = {
new IConst_0(ins), // for dup_x1 to place before this
constant1,
new ILoad(ins, 0),
new IMul(ins),
new Dup_X1(ins),
constant2,
new IMul(ins),
new Pop(ins),
new Pop(ins),
constant3,
new IMul(ins),
new Pop(ins),
new VReturn(ins)
};
for (Instruction i : body)
ins.addInstruction(i);
// check execution runs ok
Execution e = new Execution(group);
e.populateInitialMethods();
e.run();
assert constant1.getConstantAsInt() * constant2.getConstantAsInt() == 1;
assert constant1.getConstantAsInt() * constant3.getConstantAsInt() == -1_095_175_765;
Deobfuscator d = new MultiplicationDeobfuscator();
d.run(group);
Assert.assertEquals(1, constant1.getConstantAsInt());
Assert.assertEquals(1, constant2.getConstantAsInt());
Assert.assertEquals(-1_095_175_765, constant3.getConstantAsInt());
}
}