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feat: hook ClassLoader, Class, RuntimeMXBean, System, PluginManagerCore

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yelochick
2025-06-23 10:26:07 +08:00
parent 3388fad6fc
commit 6da7112443
17 changed files with 493 additions and 38 deletions
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31
src/main/java/com/novitechie/rules/ClassRule.java Normal file
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package com.novitechie.rules;
import com.janetfilter.core.commons.DebugInfo;
import java.util.ArrayList;
import java.util.List;
/**
* @author YeloChick
*/
public class ClassRule {
private static final List<String> PREVENT_LOAD_METHOD = new ArrayList<String>() {
{
add("findBootstrapClass");
}
};
public static void checkMethod(String name) throws Exception {
if (PREVENT_LOAD_METHOD.stream().anyMatch(name::equals)) {
DebugInfo.output("======================LoadMethod: " + name);
StackTraceElement[] stackTrace = Thread.currentThread().getStackTrace();
DebugInfo.output("===========================stackTrace: ");
for (StackTraceElement stackTraceElement : stackTrace) {
DebugInfo.output(stackTraceElement.getClassName() + ":" + stackTraceElement.getMethodName());
}
throw new NoSuchMethodException();
}
}
}

34
src/main/java/com/novitechie/rules/IdeaPluginRule.java Normal file
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package com.novitechie.rules;
import com.janetfilter.core.commons.DebugInfo;
import java.util.ArrayList;
import java.util.List;
/**
* @author YeloChick
*/
public class IdeaPluginRule {
private static final List<String> PREVENT_LOAD_PLUGINS = new ArrayList<String>() {
{
add("io.zhile.research.ide-eval-resetter");
add("Nasller.License");
add("nasller");
add("manifold.ij");
}
};
public static boolean check(String name) {
boolean f = PREVENT_LOAD_PLUGINS.stream().anyMatch(name::equals);
if (f) {
DebugInfo.output("======================LoadPlugin: " + name);
StackTraceElement[] stackTrace = Thread.currentThread().getStackTrace();
DebugInfo.output("===========================stackTrace: ");
for (StackTraceElement stackTraceElement : stackTrace) {
DebugInfo.output(stackTraceElement.getClassName() + ":" + stackTraceElement.getMethodName());
}
}
return f;
}
}

30
src/main/java/com/novitechie/rules/LoadClassRule.java Normal file
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package com.novitechie.rules;
import com.janetfilter.core.commons.DebugInfo;
import java.util.ArrayList;
import java.util.List;
public class LoadClassRule {
private static final List<String> PREVENT_LOAD_PACKAGES = new ArrayList<String>() {
{
// add("com.novitechie");
add("com.janetfilter");
add("jdk.internal.org.objectweb.asm");
}
};
public static void check(String name) throws Exception {
if (PREVENT_LOAD_PACKAGES.stream().anyMatch(name::startsWith)) {
DebugInfo.output("======================LoadClass: " + name);
StackTraceElement[] stackTrace = Thread.currentThread().getStackTrace();
DebugInfo.output("===========================stackTrace: ");
for (StackTraceElement stackTraceElement : stackTrace) {
DebugInfo.output(stackTraceElement.getClassName() + ":" + stackTraceElement.getMethodName());
}
throw new ClassNotFoundException(name);
}
}
}

33
src/main/java/com/novitechie/rules/ResourceRule.java Normal file
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package com.novitechie.rules;
import com.janetfilter.core.commons.DebugInfo;
import java.util.ArrayList;
import java.util.List;
/**
* @author YeloChick
*/
public class ResourceRule {
private static final List<String> PREVENT_LOAD_RESOURCE = new ArrayList<String>() {
{
add("/6c81ec87e55d331c267262e892427a3d93d76683.txt");
add("/com/janetfilter");
}
};
public static boolean check(String name) {
boolean f = PREVENT_LOAD_RESOURCE.stream().anyMatch(name::startsWith);
if (f) {
DebugInfo.output("======================LoadResource: " + name);
StackTraceElement[] stackTrace = Thread.currentThread().getStackTrace();
DebugInfo.output("===========================stackTrace: ");
for (StackTraceElement stackTraceElement : stackTrace) {
DebugInfo.output(stackTraceElement.getClassName() + ":" + stackTraceElement.getMethodName());
}
return true;
}
return false;
}
}

35
src/main/java/com/novitechie/rules/StackTraceRule.java Normal file
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package com.novitechie.rules;
import com.janetfilter.core.commons.DebugInfo;
import java.util.Calendar;
import java.util.Date;
import java.util.regex.Pattern;
public class StackTraceRule {
private static final Pattern PACKAGE_NAME_PATTERN = Pattern.compile("\\A\\p{ASCII}*\\z");
public static boolean check() {
StackTraceElement[] stackTrace = Thread.currentThread().getStackTrace();
for (StackTraceElement stackTraceElement : stackTrace) {
if (!PACKAGE_NAME_PATTERN.matcher(stackTraceElement.getMethodName()).matches()) {
return true;
}
}
return false;
}
public static Date hook() {
StackTraceElement[] stackTrace = Thread.currentThread().getStackTrace();
for (StackTraceElement stackTraceElement : stackTrace) {
if (!PACKAGE_NAME_PATTERN.matcher(stackTraceElement.getMethodName()).matches()) {
Calendar calendar = Calendar.getInstance();
calendar.add(Calendar.DAY_OF_MONTH, 60);
DebugInfo.output("===========================getLicenseExpirationDate");
return calendar.getTime();
}
}
return null;
}
}

55
src/main/java/com/novitechie/rules/SystemRule.java Normal file
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package com.novitechie.rules;
import com.janetfilter.core.commons.DebugInfo;
import java.util.ArrayList;
import java.util.List;
/**
* @author YeloChick
*/
public class SystemRule {
private static final List<String> PREVENT_LOAD_ENV = new ArrayList<String>() {
{
add("_VM_OPTIONS");
add("JANF_DEBUG");
add("JANF_OUTPUT");
}
};
private static final List<String> PREVENT_LOAD_PROPERTY = new ArrayList<String>() {
{
add("janf.debug");
add("janf.output");
}
};
public static boolean checkEnv(String name) {
boolean f = PREVENT_LOAD_ENV.stream().anyMatch(name::startsWith) || PREVENT_LOAD_ENV.stream().anyMatch(name::endsWith);
if (f) {
DebugInfo.output("======================LoadEnv: " + name);
StackTraceElement[] stackTrace = Thread.currentThread().getStackTrace();
DebugInfo.output("===========================stackTrace: ");
for (StackTraceElement stackTraceElement : stackTrace) {
DebugInfo.output(stackTraceElement.getClassName() + ":" + stackTraceElement.getMethodName());
}
return true;
}
return false;
}
public static boolean checkProperty(String name) {
boolean f = PREVENT_LOAD_PROPERTY.stream().anyMatch(name::equals);
if (f) {
DebugInfo.output("======================LoadProperty: " + name);
StackTraceElement[] stackTrace = Thread.currentThread().getStackTrace();
DebugInfo.output("===========================stackTrace: ");
for (StackTraceElement stackTraceElement : stackTrace) {
DebugInfo.output(stackTraceElement.getClassName() + ":" + stackTraceElement.getMethodName());
}
return true;
}
return false;
}
}

29
src/main/java/com/novitechie/rules/VMOptionsRule.java Normal file
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package com.novitechie.rules;
import com.janetfilter.core.commons.DebugInfo;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.file.Path;
/**
* @author YeloChick
*/
public class VMOptionsRule {
public static Path hook() {
String tmpdir = System.getProperty("java.io.tmpdir");
File file = new File(tmpdir, "fake.vmoptions");
if (file.exists()) {
return file.toPath();
}
try (FileOutputStream fos = new FileOutputStream(file)) {
fos.write("# This file is created by plugin-privacy".getBytes());
return file.toPath();
} catch (IOException e) {
DebugInfo.output("create temp file error", e);
return null;
}
}
}