Examples with ClassFile net.runelite.asm.ClassFile used on opensource projects

Example 26 with ClassFile

use of net.runelite.asm.ClassFile in project runelite by runelite.

the class Inject method toObField.

Field toObField(Field field) {
    String obfuscatedClassName = DeobAnnotations.getObfuscatedName(field.getClassFile().getAnnotations());
    // obfuscated name of field
    String obfuscatedFieldName = DeobAnnotations.getObfuscatedName(field.getAnnotations());
    Type type = getFieldType(field);
    ClassFile obfuscatedClass = vanilla.findClass(obfuscatedClassName);
    assert obfuscatedClass != null;
    Field obfuscatedField = obfuscatedClass.findFieldDeep(obfuscatedFieldName, type);
    assert obfuscatedField != null;
    return obfuscatedField;
}

Example 27 with ClassFile

use of net.runelite.asm.ClassFile in project runelite by runelite.

the class Inject method validateTypeIsConvertibleTo.

private boolean validateTypeIsConvertibleTo(Type from, Type to) throws InjectionException {
    if (from.getDimensions() != to.getDimensions()) {
        throw new InjectionException("Array dimension mismatch");
    }
    if (from.isPrimitive()) {
        return true;
    }
    ClassFile vanillaClass = vanilla.findClass(from.getInternalName());
    if (vanillaClass == null) {
        return true;
    }
    boolean okay = false;
    for (Class inter : vanillaClass.getInterfaces().getInterfaces()) {
        java.lang.Class c;
        try {
            c = java.lang.Class.forName(inter.getName().replace('/', '.'));
        } catch (ClassNotFoundException ex) {
            continue;
        }
        okay |= check(c, to);
    }
    return okay;
}

Example 28 with ClassFile

use of net.runelite.asm.ClassFile in project runelite by runelite.

the class InjectHookMethod method process.

public void process(Method method) throws InjectionException {
    Annotations an = method.getAnnotations();
    if (an == null) {
        return;
    }
    Annotation a = an.find(DeobAnnotations.HOOK);
    if (a == null) {
        return;
    }
    // Method is hooked
    // String hookName = DeobAnnotations.getHookName(an); // hook name
    // Find equivalent method in vanilla, and insert callback at the beginning
    ClassFile cf = method.getClassFile();
    String obfuscatedMethodName = DeobAnnotations.getObfuscatedName(an), obfuscatedClassName = DeobAnnotations.getObfuscatedName(cf.getAnnotations());
    // might be a constructor
    if (obfuscatedMethodName == null && method.getName().equals("<init>")) {
        obfuscatedMethodName = "<init>";
    }
    assert obfuscatedClassName != null : "hook on method in class with no obfuscated name";
    assert obfuscatedMethodName != null : "hook on method with no obfuscated name";
    Signature obfuscatedSignature = inject.getMethodSignature(method);
    ClassGroup vanilla = inject.getVanilla();
    ClassFile vanillaClass = vanilla.findClass(obfuscatedClassName);
    Method vanillaMethod = vanillaClass.findMethod(obfuscatedMethodName, obfuscatedSignature);
    // Insert instructions at beginning of method
    injectHookMethod(a, method, vanillaMethod);
}

Example 29 with ClassFile

use of net.runelite.asm.ClassFile in project runelite by runelite.

the class ModArith method insertGetterSetterMuls.

private void insertGetterSetterMuls(Encryption encr) {
    // before setfield insert imul * getter
    for (ClassFile cf : group.getClasses()) {
        for (Method m : cf.getMethods()) {
            Code code = m.getCode();
            if (code == null) {
                continue;
            }
            Instructions ins = code.getInstructions();
            List<Instruction> ilist = ins.getInstructions();
            for (int i = 0; i < ilist.size(); ++i) {
                Instruction in = ilist.get(i);
                if (in instanceof SetFieldInstruction) {
                    SetFieldInstruction sfi = (SetFieldInstruction) in;
                    Field f = sfi.getMyField();
                    if (f == null) {
                        continue;
                    }
                    Pair p = encr.getField(f.getPoolField());
                    if (p == null) {
                        continue;
                    }
                    // insert imul
                    if (p.getType() == Integer.class) {
                        ilist.add(i++, new LDC(ins, (int) p.getter));
                        ilist.add(i++, new IMul(ins));
                    } else if (p.getType() == Long.class) {
                        ilist.add(i++, new LDC(ins, (long) p.getter));
                        ilist.add(i++, new LMul(ins));
                    } else {
                        throw new IllegalStateException();
                    }
                } else if (in instanceof GetFieldInstruction) {
                    GetFieldInstruction sfi = (GetFieldInstruction) in;
                    Field f = sfi.getMyField();
                    if (f == null) {
                        continue;
                    }
                    Pair p = encr.getField(f.getPoolField());
                    if (p == null) {
                        continue;
                    }
                    // imul
                    if (p.getType() == Integer.class) {
                        ilist.add(++i, new LDC(ins, (int) p.setter));
                        ilist.add(++i, new IMul(ins));
                    } else if (p.getType() == Long.class) {
                        ilist.add(++i, new LDC(ins, (long) p.setter));
                        ilist.add(++i, new LMul(ins));
                    } else {
                        throw new IllegalStateException();
                    }
                }
            }
        }
    }
}

Example 30 with ClassFile

use of net.runelite.asm.ClassFile in project runelite by runelite.

the class ControlFlowDeobfuscator method run.

@Override
public void run(ClassGroup group) {
    for (ClassFile cf : group.getClasses()) {
        for (Method m : cf.getMethods()) {
            Code code = m.getCode();
            if (code == null || !code.getExceptions().getExceptions().isEmpty()) {
                continue;
            }
            split(code);
            run(code);
            runJumpLabel(code);
        }
    }
    logger.info("Inserted {} jumps, reordered {} blocks, and removed {} jumps. jump delta {}", insertedJump, placedBlocks, removedJumps, insertedJump - removedJumps);
}