fix loader wtf

This commit is contained in:
Jess 2023-11-16 14:51:42 +00:00
parent 7f19262325
commit 47a343a1b3
3 changed files with 43 additions and 61 deletions

View file

@ -34,11 +34,11 @@ import java.util.function.Consumer;
public class BaseBand {
public static int majorVersion = 1;
public static int buildNumber = 468;
public static String hash = "2714cbd106927da2";
public static int buildNumber = 485;
public static String hash = "d8be0a150e9890d3";
public static String name = "BaseBand";
public long timeOfCompile = 1696830524662L;
public long timeOfCompile = 1700145647026L;
public CommandManager commandRegistry;
public EventBus eventBus;
public ArrayList<Module> modules = new ArrayList<>();

View file

@ -278,37 +278,16 @@ public class Loader {
int amountOfData = inputF.readInt();
for (int i = 0; i < amountOfData; i++) {
ByteArrayOutputStream out = new ByteArrayOutputStream();
Tweaker.log(i + "datapart");
int l = inputF.readInt();
byte[] buf = new byte[1024];
int amt;
while (out.size() != l) {
amt = inputF.read(buf);
out.write(buf, 0, amt);
}
String name = new String(aesD.doFinal(communicationKey.decryptByteKey(out.toByteArray())));
String name = new String(aesD.doFinal(communicationKey.decryptByteKey(Base64.getDecoder().decode(inputF.readUTF()))));
Tweaker.log("1");
out = new ByteArrayOutputStream();
byte[] data = communicationKey.decryptByteKey(Base64.getDecoder().decode(inputF.readUTF()));
Tweaker.log("2");
l = inputF.readInt();
buf = new byte[1024];
while (out.size() != l) {
amt = inputF.read(buf);
out.write(buf, 0, amt);
}
byte[] data = aesD.doFinal(communicationKey.decryptByteKey(out.toByteArray()));
out = new ByteArrayOutputStream();
l = inputF.readInt();
buf = new byte[1024];
while (out.size() != l) {
amt = inputF.read(buf);
out.write(buf, 0, amt);
}
byte[] dataKey = aesD.doFinal(communicationKey.decryptByteKey(out.toByteArray()));
byte[] dataKey = aesD.doFinal(communicationKey.decryptByteKey(Base64.getDecoder().decode(inputF.readUTF())));
Tweaker.log("3");
if (name.endsWith(".class")) {
classKey.access(x -> classCache.put(name.replace(".class", "").replace('/', '.'), x.getValue().encryptByte(new Key(dataKey).decryptByte(data))));
@ -317,6 +296,8 @@ public class Loader {
}
}
Tweaker.log("loaded classes?");
CustomClassloader customCL = new CustomClassloader(
(Supplier<Object>) (() -> new DataKeeper<>(CustomClassloader.getTransferPermissionManager(), defaultStrictness, classCache).forgetIn(2000)),
@ -382,7 +363,6 @@ public class Loader {
try {
Objects.requireNonNull(getUnsafe()).defineClass("sun.instrument.InstrumentationImpl", EMPTY_CLASS_BYTES, 0, EMPTY_CLASS_BYTES.length, null, null);
} catch (Throwable e) {
e.printStackTrace();
return "JavaAgent?";
}

View file

@ -15,8 +15,8 @@ import java.security.SecureRandom;
import java.util.Base64;
import java.util.HashMap;
import java.util.Map;
import java.util.jar.JarInputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
public class ClientHandler extends Thread {
final Socket client;
@ -165,6 +165,7 @@ public class ClientHandler extends Thread {
return;
}
/*
if(!SocketHandler.currentJarHash.equals(jarHash) && !SocketHandler.pastJarHashes.contains(jarHash) && result >= 0) {
dos.writeInt(-8);
System.out.println("JAR HASH MISMATCH, banning.");
@ -174,6 +175,8 @@ public class ClientHandler extends Thread {
return;
}
*/
if(!SocketHandler.currentJarHash.equals(jarHash) && SocketHandler.pastJarHashes.contains(jarHash) && result >= 0) {
dos.writeInt(-9);
System.out.println("JAR HASH MISMATCH, denying.");
@ -190,47 +193,36 @@ public class ClientHandler extends Thread {
dos.writeInt(result);
Map<Map<String, byte[]>, byte[]> data = new HashMap<>();
try (ZipInputStream zipStream = new ZipInputStream(new ByteArrayInputStream(SocketHandler.clientFileData))) {
ZipEntry zipEntry;
while ((zipEntry = zipStream.getNextEntry()) != null) {
byte[] buffer = new byte[1024];
ByteArrayOutputStream bos = new ByteArrayOutputStream();
int len;
while ((len = zipStream.read(buffer)) > 0) {
bos.write(buffer, 0, len);
}
bos.close();
Map<String, byte[]> dataLocal = new HashMap<>();
byte[] keyData = SecureRandom.getSeed(256);
dataLocal.put(zipEntry.getName(), new Key(keyData).encryptByte(bos.toByteArray()));
data.put(dataLocal, keyData);
}
JarInputStream jar = new JarInputStream(new ByteArrayInputStream(SocketHandler.clientFileData));
ZipEntry zentry;
while ((zentry = jar.getNextEntry()) != null) {
Map<String, byte[]> dataLocal = new HashMap<>();
byte[] keyData = SecureRandom.getSeed(1024);
dataLocal.put(zentry.getName(), new Key(keyData).encryptByte(getBytes(jar)));
data.put(dataLocal, keyData);
}
dos.writeInt(data.size());
for (Map.Entry<Map<String, byte[]>, byte[]> mapEntry : data.entrySet()) {
//For the love of all that is holy YOU DO NOT TOUCH THIS CODE TUD
Map.Entry<String, byte[]> entry = mapEntry.getKey().entrySet().iterator().next();
String className = entry.getKey(); //Name
byte[] classData = entry.getValue(); //Data
byte[] cryptKey = mapEntry.getValue(); //Key
byte[] encryptedBytes = key.encryptByte(aesE.doFinal(className.getBytes()));
dos.writeInt(encryptedBytes.length);
dos.write(encryptedBytes, 0, encryptedBytes.length);
dos.flush();
byte[] encryptedBytes1 = key.encryptByte(aesE.doFinal(className.getBytes()));
dos.writeUTF(Base64.getEncoder().encodeToString(encryptedBytes1));
encryptedBytes = key.encryptByte(aesE.doFinal(classData));
dos.writeInt(encryptedBytes.length);
dos.write(encryptedBytes, 0, encryptedBytes.length);
dos.flush();
byte[] encryptedBytes2 = key.encryptByte(classData);
dos.writeUTF(Base64.getEncoder().encodeToString(encryptedBytes2));
encryptedBytes = key.encryptByte(aesE.doFinal(cryptKey));
dos.writeInt(encryptedBytes.length);
dos.write(encryptedBytes, 0, encryptedBytes.length);
dos.flush();
byte[] encryptedBytes3 = key.encryptByte(aesE.doFinal(cryptKey));
dos.writeUTF(Base64.getEncoder().encodeToString(encryptedBytes3));
}
@ -246,4 +238,14 @@ public class ClientHandler extends Thread {
//this.interrupt();
}
}
private byte[] getBytes(final InputStream inputStream) throws IOException {
final ByteArrayOutputStream out = new ByteArrayOutputStream();
final byte[] buffer = new byte[256];
int bytesRead;
while ((bytesRead = inputStream.read(buffer)) >= 0) {
out.write(buffer, 0, bytesRead);
}
return out.toByteArray();
}
}