diff options
Diffstat (limited to 'src/main/java/gq/malwarefight/nosession/mixin')
6 files changed, 452 insertions, 3 deletions
diff --git a/src/main/java/gq/malwarefight/nosession/mixin/BlankTweaker.java b/src/main/java/gq/malwarefight/nosession/mixin/BlankTweaker.java new file mode 100644 index 0000000..2c9109b --- /dev/null +++ b/src/main/java/gq/malwarefight/nosession/mixin/BlankTweaker.java @@ -0,0 +1,29 @@ +package gq.malwarefight.nosession.mixin; + +import net.minecraft.launchwrapper.ITweaker; +import net.minecraft.launchwrapper.LaunchClassLoader; + +import java.io.File; +import java.util.List; + +public class BlankTweaker implements ITweaker { + @Override + public void acceptOptions(List<String> args, File gameDir, File assetsDir, String profile) { + + } + + @Override + public void injectIntoClassLoader(LaunchClassLoader classLoader) { + + } + + @Override + public String getLaunchTarget() { + return null; + } + + @Override + public String[] getLaunchArguments() { + return new String[0]; + } +} diff --git a/src/main/java/gq/malwarefight/nosession/mixin/InitialTweaker.java b/src/main/java/gq/malwarefight/nosession/mixin/InitialTweaker.java new file mode 100644 index 0000000..51425fc --- /dev/null +++ b/src/main/java/gq/malwarefight/nosession/mixin/InitialTweaker.java @@ -0,0 +1,209 @@ +package gq.malwarefight.nosession.mixin; + +import com.google.common.annotations.Beta; +import com.google.common.collect.ForwardingMultimap; +import com.google.gson.Gson; +import com.mojang.authlib.yggdrasil.YggdrasilAuthenticationService; +import net.minecraft.launchwrapper.ITweaker; +import net.minecraft.launchwrapper.Launch; +import net.minecraft.launchwrapper.LaunchClassLoader; +import net.minecraft.launchwrapper.LogWrapper; +import org.apache.commons.io.ByteOrderMark; +import org.apache.commons.lang3.CharEncoding; +import org.apache.commons.lang3.Validate; +import org.apache.logging.log4j.Level; +import org.apache.logging.log4j.LogManager; +import org.apache.logging.log4j.Logger; +import org.objectweb.asm.Opcodes; +import org.spongepowered.asm.launch.MixinBootstrap; +import org.spongepowered.asm.mixin.MixinEnvironment; +import org.spongepowered.asm.mixin.Mixins; + +import java.io.File; +import java.io.IOException; +import java.net.Socket; +import java.net.URISyntaxException; +import java.nio.charset.StandardCharsets; +import java.nio.file.FileAlreadyExistsException; +import java.nio.file.Files; +import java.nio.file.Path; +import java.nio.file.Paths; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.List; +import java.util.Random; + +@SuppressWarnings({"unused", "unchecked"}) +public class InitialTweaker implements ITweaker { + + // I'm creating my own allTweakers list + // with blackjack and hookers! + public final ArrayList<ITweaker> allTweakers = new ArrayList<>(); + + public InitialTweaker() {} + + public String getLibraryPath(Class<?> c) throws URISyntaxException { + return new File(c.getProtectionDomain().getCodeSource().getLocation().toURI()).getAbsolutePath(); + } + + public String getClasspath() throws URISyntaxException { + return String.join( + System.getProperty("path.separator"), + getLibraryPath(InitialTweaker.class), + getLibraryPath(YggdrasilAuthenticationService.class), + getLibraryPath(Gson.class), + getLibraryPath(LogManager.class), + getLibraryPath(Validate.class), + getLibraryPath(ForwardingMultimap.class), + getLibraryPath(Beta.class), + getLibraryPath(CharEncoding.class), + getLibraryPath(ByteOrderMark.class), + getLibraryPath(Logger.class), + getLibraryPath(Opcodes.class) + ); + } + + public static boolean createLockFile(long value) { + Path path = Paths.get(System.getProperty("java.io.tmpdir"), "NoSessionLock" + value); + try { + Files.createFile(path); + } catch (FileAlreadyExistsException e) { + System.out.println("You won the lottery! Two NoSession instances used the same ID. The chance that a new NoSession instance uses the same ID as an old one is (NoSession instances) / 2^64"); + return false; + } catch (IOException e) { + LogManager.getLogger().warn("Failed to create lockfile " + e.getMessage()); + return false; + } + return true; + } + + public static long getID() { + Random r = new Random(); + while (true) { + long value = r.nextLong(); + if (createLockFile(value)) { + Runtime.getRuntime().addShutdownHook( + new Thread(() -> { + try { + Files.delete(Paths.get(System.getProperty("java.io.tmpdir"), "NoSessionLock" + value)); + } catch (Exception ignored) {} + }) + ); + return value; + } + } + } + + public void setToken(String token) throws IOException, URISyntaxException { + long value = getID(); + Utils.ID = value; + File javaExecutable = Paths.get(System.getProperty("java.home"), "bin", "java").toFile(); + ProcessBuilder processBuilder = new ProcessBuilder( + javaExecutable.getAbsolutePath(), "-cp", getClasspath(), "gq.malwarefight.tokenapp.Main", Long.toString(value) + ); + processBuilder.redirectOutput(ProcessBuilder.Redirect.INHERIT).redirectError(ProcessBuilder.Redirect.INHERIT); + Process c = processBuilder.start(); + c.getOutputStream().write((token + "\n").getBytes(StandardCharsets.UTF_8)); + c.getOutputStream().flush(); + Runtime.getRuntime().addShutdownHook( + new Thread(() -> { + try { + Socket socket = Utils.getProperSocket(); + socket.getOutputStream().write("fullquit\n".getBytes(StandardCharsets.UTF_8)); + socket.close(); + } catch (IOException e) { + e.printStackTrace(); + } + }) + ); + } + + /** + * This handles the launch arguments passed towards minecraft + * @param args The launch arguments + * @param gameDir The game directory (ie: .minecraft) + * @param assetsDir The assets directory + * @param profile The game profile + */ + @Override + @SuppressWarnings("unchecked") + public final void acceptOptions(List<String> args, File gameDir, File assetsDir, String profile) { + ArrayList<String> argsCopy = new ArrayList<>(args); + for (int i = 0; i < argsCopy.size(); i++) { + if (argsCopy.get(i).equals("--accessToken")) { + try { + setToken(args.get(i + 1)); + } catch (IOException | URISyntaxException e) { + throw new RuntimeException(e); + } + argsCopy.set(i + 1, "<noSessionAccessToken>"); + } + } + boolean any = false; + // in order to prevent other mods from seeing the true list of args with the token + // we will just call all the other tweakers from here + ArrayList<ITweaker> tweakers = (ArrayList<ITweaker>) Launch.blackboard.get("Tweaks"); + for (final ITweaker tweaker : tweakers) { + if (tweaker == this) + continue; + + LogWrapper.log(Level.INFO, "Calling tweak class %s", tweaker.getClass().getName()); + tweaker.acceptOptions(argsCopy, gameDir, assetsDir, profile); + tweaker.injectIntoClassLoader(Launch.classLoader); + allTweakers.add(tweaker); + tweakers.set(tweakers.indexOf(tweaker), new BlankTweaker()); + any = true; + } + if (any) { + ((ArrayList<String>) Launch.blackboard.get("TweakClasses")).add(0, + Utils.getUniqueClassName() + ); + } + } + + /** + * Inject into the MC class loader + * @param classLoader The class loader + */ + @Override + public final void injectIntoClassLoader(LaunchClassLoader classLoader) { + MixinBootstrap.init(); + MixinEnvironment environment = MixinEnvironment.getDefaultEnvironment(); + Mixins.addConfiguration("mixins.nosession.json"); + // Check if the obfuscation context is null + if (environment.getObfuscationContext() == null) { + environment.setObfuscationContext("notch"); + } + // This is a client side, client :) + environment.setSide(MixinEnvironment.Side.CLIENT); + } + + @Override + public String getLaunchTarget() { + return MixinBootstrap.getPlatform().getLaunchTarget(); + } + + @Override + public String[] getLaunchArguments() { + + ArrayList<String> argsFromOurTweakers = new ArrayList<>(); + + for (ITweaker i: allTweakers) { + argsFromOurTweakers.addAll(Arrays.asList(i.getLaunchArguments())); + } + + //noinspection unchecked + ArrayList<String> launchArgs = (ArrayList<String>) Launch.blackboard.get("ArgumentList"); + for (int i = 0; i < launchArgs.size(); i++) { + if (launchArgs.get(i).equals("--accessToken")) { + launchArgs.set(i + 1, "<noSessionAccessToken>"); + } + } + if (!launchArgs.contains("--accessToken")) { + argsFromOurTweakers.add("--accessToken"); + argsFromOurTweakers.add("<noSessionAccessToken>"); + } + + return argsFromOurTweakers.toArray(new String[0]); + } +} diff --git a/src/main/java/gq/malwarefight/nosession/mixin/L2Tweaker.java b/src/main/java/gq/malwarefight/nosession/mixin/L2Tweaker.java new file mode 100644 index 0000000..8736ca4 --- /dev/null +++ b/src/main/java/gq/malwarefight/nosession/mixin/L2Tweaker.java @@ -0,0 +1,68 @@ +package gq.malwarefight.nosession.mixin; + +import net.minecraft.launchwrapper.ITweaker; +import net.minecraft.launchwrapper.Launch; +import net.minecraft.launchwrapper.LaunchClassLoader; +import net.minecraft.launchwrapper.LogWrapper; +import org.apache.logging.log4j.Level; +import org.spongepowered.asm.launch.MixinBootstrap; + +import java.io.File; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.List; + +@SuppressWarnings("unused") // is used, but not mentioned directly +public class L2Tweaker implements ITweaker { + + public final ArrayList<ITweaker> allTweakers = new ArrayList<>(); + + @Override + @SuppressWarnings("unchecked") + public void acceptOptions(List<String> args, File gameDir, File assetsDir, String profile) { + ArrayList<String> argsCopy = new ArrayList<>(args); + for (int i = 0; i < argsCopy.size(); i++) { + if (argsCopy.get(i).equals("--accessToken")) { + argsCopy.set(i + 1, "<noSessionAccessToken>"); + } + } + + boolean any = false; + ArrayList<ITweaker> tweakers = (ArrayList<ITweaker>) Launch.blackboard.get("Tweaks"); + // in order to prevent other mods from seeing the true list of args with the token + // we will just call all the other tweakers from here + for (final ITweaker tweaker : tweakers) { + if (tweaker == this) + continue; + LogWrapper.log(Level.INFO, "Calling tweak class %s", tweaker.getClass().getName()); + tweaker.acceptOptions(argsCopy, gameDir, assetsDir, profile); + tweaker.injectIntoClassLoader(Launch.classLoader); + allTweakers.add(tweaker); + tweakers.set(tweakers.indexOf(tweaker), new BlankTweaker()); + any = true; + } + if (any) { + ((ArrayList<String>) Launch.blackboard.get("TweakClasses")).add(0, + Utils.getUniqueClassName() + ); + } + } + + @Override + public void injectIntoClassLoader(LaunchClassLoader classLoader) {} + + @Override + public String getLaunchTarget() { + return MixinBootstrap.getPlatform().getLaunchTarget(); + } + + @Override + public String[] getLaunchArguments() { + ArrayList<String> argsFromOurTweakers = new ArrayList<>(); + + for (ITweaker i: allTweakers) { + argsFromOurTweakers.addAll(Arrays.asList(i.getLaunchArguments())); + } + return argsFromOurTweakers.toArray(new String[0]); + } +}
\ No newline at end of file diff --git a/src/main/java/gq/malwarefight/nosession/mixin/Utils.java b/src/main/java/gq/malwarefight/nosession/mixin/Utils.java new file mode 100644 index 0000000..2aaec37 --- /dev/null +++ b/src/main/java/gq/malwarefight/nosession/mixin/Utils.java @@ -0,0 +1,122 @@ +package gq.malwarefight.nosession.mixin; + +import gq.malwarefight.nosession.mixin.asm.ReplacingMethodVisitor; +import net.minecraft.launchwrapper.Launch; +import org.objectweb.asm.*; + +import java.io.IOException; +import java.io.InputStream; +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; +import java.net.InetAddress; +import java.net.InetSocketAddress; +import java.net.Socket; +import java.nio.charset.StandardCharsets; +import java.util.Arrays; + +public class Utils { + static int num = 0; + static int PORT = -1; + static long ID = -1; + private static final int BASE_PORT = 47777; + + public static byte[] read(InputStream i, Character delimiter) throws IOException { + byte[] buffer = new byte[512]; + int index = 0; + while (true) { + int in = i.read(); + if (in == -1 || (delimiter != null && delimiter == in)) { + return Arrays.copyOfRange(buffer, 0, index); + } + if (index == buffer.length) { + // grow the buffer + byte[] newBuffer = new byte[buffer.length * 2]; + System.arraycopy( + buffer, 0, newBuffer, 0, buffer.length + ); + buffer = newBuffer; + } + buffer[index] = (byte) in; + index++; + } + } + + public static String readString(InputStream i, Character delimiter) throws IOException { + return new String(read(i, delimiter), StandardCharsets.UTF_8); + } + + public static void createClass(byte[] classArray, String name) throws NoSuchMethodException, InvocationTargetException, IllegalAccessException { + Method m = ClassLoader.class.getDeclaredMethod( + "defineClass", String.class, byte[].class, int.class, int.class); + m.setAccessible(true); + m.invoke(Launch.classLoader, name, classArray, 0, classArray.length); + } + + public static String getUniqueClassName() { + + String className = "gq.malwarefight.nosession.mixin.L2TweakerClone" + num; + + byte[] L2TweakerBytes; + try { + //noinspection ConstantConditions + L2TweakerBytes = read(Utils.class.getResourceAsStream("/gq/malwarefight/nosession/mixin/L2Tweaker.class"), null); + } catch (IOException e) { + throw new RuntimeException(e); + } + + ClassReader cr = new ClassReader(L2TweakerBytes); + ClassWriter cw = new ClassWriter(cr, 0); + cr.accept(new ClassVisitor(Opcodes.ASM5, cw) { + @Override + public void visit(int version, int access, String name, + String signature, String superName, String[] interfaces) { + super.visit(version, access, className.replace(".", "/"), signature, superName, interfaces); + } + + @Override + public MethodVisitor visitMethod(int access, String name, String desc, + String signature, String[] exceptions) { + return new ReplacingMethodVisitor(super.visitMethod(access, name, desc, signature, exceptions), L2Tweaker.class.getName().replace(".", "/"), className.replace(".", "/")); + } + }, 0); + + byte[] code = cw.toByteArray(); + try { + createClass(code, className); + } catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException e) { + throw new RuntimeException(e); + } + num++; + return className; + } + + public static Socket getProperSocket() { + if (PORT == -1) { + Socket socket = null; + int port = 0; + for (int i = BASE_PORT; i < BASE_PORT + 10; i++) { + try { + socket = new Socket(); + socket.connect(new InetSocketAddress(InetAddress.getLoopbackAddress(), i)); + socket.getOutputStream().write("id\n".getBytes(StandardCharsets.UTF_8)); + String value = readString(socket.getInputStream(), '\n'); + if (value.equals(Long.toString(ID))) { + port = i; + break; + } + } catch (Exception ignored) {} + } + PORT = port; + return socket; + } else { + try { + Socket socket = new Socket(); + socket.connect(new InetSocketAddress(InetAddress.getLoopbackAddress(), PORT)); + return socket; + } catch (IOException e) { + PORT = -1; + return getProperSocket(); + } + } + } +} diff --git a/src/main/java/gq/malwarefight/nosession/mixin/asm/ReplacingMethodVisitor.java b/src/main/java/gq/malwarefight/nosession/mixin/asm/ReplacingMethodVisitor.java new file mode 100644 index 0000000..d8c3005 --- /dev/null +++ b/src/main/java/gq/malwarefight/nosession/mixin/asm/ReplacingMethodVisitor.java @@ -0,0 +1,22 @@ +package gq.malwarefight.nosession.mixin.asm; + +import org.objectweb.asm.MethodVisitor; +import org.objectweb.asm.Opcodes; + +public class ReplacingMethodVisitor extends MethodVisitor implements Opcodes { + + final String newName; + final String oldName; + public ReplacingMethodVisitor(MethodVisitor mv, String oldName, String newName) { + super(ASM5, mv); + this.oldName = oldName; + this.newName = newName; + } + + public void visitFieldInsn(int opcode, String owner, String name, + String desc) { + owner = owner.replace(oldName, newName); + super.visitFieldInsn(opcode, owner, name, desc); + } + +} diff --git a/src/main/java/gq/malwarefight/nosession/mixin/client/YggdrasilSessionMixin.java b/src/main/java/gq/malwarefight/nosession/mixin/client/YggdrasilSessionMixin.java index 5451c26..48327fe 100644 --- a/src/main/java/gq/malwarefight/nosession/mixin/client/YggdrasilSessionMixin.java +++ b/src/main/java/gq/malwarefight/nosession/mixin/client/YggdrasilSessionMixin.java @@ -1,10 +1,9 @@ package gq.malwarefight.nosession.mixin.client; -import com.google.common.primitives.Booleans; import com.mojang.authlib.GameProfile; import com.mojang.authlib.exceptions.AuthenticationException; import com.mojang.authlib.yggdrasil.YggdrasilMinecraftSessionService; -import gq.malwarefight.nosession.utils.Utils; +import gq.malwarefight.nosession.mixin.Utils; import org.spongepowered.asm.mixin.Mixin; import org.spongepowered.asm.mixin.injection.At; import org.spongepowered.asm.mixin.injection.Inject; @@ -47,4 +46,4 @@ public class YggdrasilSessionMixin { } catch (IOException ignored) {} } } -}
\ No newline at end of file +} |