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一款使用Yaml定义搜索规则来搜索Class的工具

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ClazzSearcher

一款使用Yaml定义搜索规则来搜索Class的工具

Quick Start(快速开始)

# 搜索jar包
java -jar ClazzSearcher.jar --f example.yml --boot d3forest-1.0-SNAPSHOT.jar
# 搜索目录
java -jar ClazzSearcher.jar --f example.yml --boot target/dir/lib
# 使用缓存
java -jar ClazzSearcher.jar --resume --f example.yml ....

下面是yml的规则搜索模版(如果不需要引入某条rule则不写)

name: "targetName" # target的类名，支持正则，例如".*ServiceImpl$"
isInterface: false     # target是不是接口，true:是
extendsList:           # target继承的父类，有多个，因为接口可以有多个父接口
  - java.lang.Object
implementsList:        # target实现的接口，例如"java/io/Serializable"
  - interface1
  - interface2
annotations:           # target上存在的注解，例如"Lorg/springframework/web/bind/annotation/RestController;"
  - annotation1
  - annotation2
fields:                # target所有的field属性，field之间为与逻辑
  - {
    "name": "request", # field的name
    "access": 2,       # field的访问access
    "type": "type1"    # field的class类型，例如"org/springframework/http/server/reactive/ServerHttpRequest"
  }
  - {
    "name": "field2",
    "access": 1,
    "type": "type2"
  }
methods:               # target所拥有的method方法
  - {
    "name": "m1",      # method的name，例如"excludeMBeanIfNecessary"
    "desc": "desc1",   # method的描述符，例如"(Ljava/lang/Object;)V"
    "access": "public", # method的访问修饰符
    "isStatic": false, # method是否是静态方法
    "calls": [         # method中调用了哪些方法, calls之间为或逻辑
      {
        "classRef": "org/springframework/jmx/export/MBeanExporter", # 被调用方法的类
        "name": "addExcludedBean",                                  # 被调用方法的名
        "desc": "(Ljava/lang/String;)V"                             # 被调用方法的方法描述
      }
    ]
  }
  - {
    "name": "m2",
    "desc": "(Ljava/io/Reader;)Ljava/lang/Object;",
    "access": "private",
    "call" : [
      { },{ },...
    ]
  }

Use Case(使用案例)

例如下面一段规则

implementsList:
  - org/springframework/beans/PropertyValues
  - java/io/Serializable
extendsList:
  - org/springframework/beans/MutablePropertyValues

运行ClazzSearchApplication加上参数--f example.yml --boot d3forest-1.0-SNAPSHOT.jar

[main] INFO org.vidar.discovery.ClazzDiscovery - 加载所有方法信息完毕
[main] INFO org.vidar.discovery.ClazzDiscovery - 加载所有类信息完毕
[main] INFO org.vidar.discovery.ClazzDiscovery - 加载所有父子类、超类、实现类关系
[main] INFO org.vidar.discovery.ClazzDiscovery - 加载方法调用信息完毕
[main] INFO org.vidar.discovery.ClazzDiscovery - 开始寻找目标类...
[main] INFO org.vidar.discovery.ClazzDiscovery - 你所寻找的class实现的接口有：
[main] INFO org.vidar.discovery.ClazzDiscovery - org/springframework/beans/PropertyValues
[main] INFO org.vidar.discovery.ClazzDiscovery - java/io/Serializable
[main] INFO org.vidar.discovery.ClazzDiscovery - 你所寻找的class继承的类有：
[main] INFO org.vidar.discovery.ClazzDiscovery - org/springframework/beans/MutablePropertyValues
找到一个类：ClassReference.Handle(name=org/springframework/web/bind/ServletRequestParameterPropertyValues)
找到一个类：ClassReference.Handle(name=org/springframework/web/filter/GenericFilterBean$FilterConfigPropertyValues)
找到一个类：ClassReference.Handle(name=org/springframework/web/servlet/HttpServletBean$ServletConfigPropertyValues)

如有下面这段规则

methods:
  - {
    "name": "excludeMBeanIfNecessary",
    "desc": "(Ljava/lang/Object;Ljava/lang/String;Lorg/springframework/context/ApplicationContext;)V",
    "access": "private",
    "isStatic": false,
    "calls": [
      {
        "classRef": "org/springframework/jmx/export/MBeanExporter",
        "name": "addExcludedBean",
        "desc": "(Ljava/lang/String;)V"
      }
    ]
  }

运行ClazzSearchApplication加上参数--f example.yml --boot d3forest-1.0-SNAPSHOT.jar

[main] INFO org.vidar.discovery.ClazzDiscovery - 加载所有方法信息完毕
[main] INFO org.vidar.discovery.ClazzDiscovery - 加载所有类信息完毕
[main] INFO org.vidar.discovery.ClazzDiscovery - 加载所有父子类、超类、实现类关系
[main] INFO org.vidar.discovery.ClazzDiscovery - 加载方法调用信息完毕
[main] INFO org.vidar.discovery.ClazzDiscovery - 开始寻找目标类...
[main] INFO org.vidar.discovery.ClazzDiscovery - 你希望target中存在：ClazzRule.Method(clazz=null, name=excludeMBeanIfNecessary, desc=(Ljava/lang/Object;Ljava/lang/String;Lorg/springframework/context/ApplicationContext;)V, access=private, isStatic=false, calls=[ClazzRule.Call(classRef=org/springframework/jmx/export/MBeanExporter, name=addExcludedBean, desc=(Ljava/lang/String;)V)])方法
找到一个类：ClassReference.Handle(name=org/springframework/boot/autoconfigure/jdbc/JndiDataSourceAutoConfiguration)

实战例子

寻找一些lookup的sink点

methods:
  - {
    "name": "connect",
    "calls": [
      {
        "classRef": "javax/naming/Context",
        "name": "lookup"
      },
      {
        "classRef": "javax/naming/InitialContext",
        "name": "lookup"
      }
    ]
  }

运行结果


 ______  __      ______  ______  ______       ______  ______  ______  ______  ______  __  __  ______  ______    
/\  ___\/\ \    /\  __ \/\___  \/\___  \     /\  ___\/\  ___\/\  __ \/\  == \/\  ___\/\ \_\ \/\  ___\/\  == \   
\ \ \___\ \ \___\ \  __ \/_/  /_\/_/  /__    \ \___  \ \  __\\ \  __ \ \  __<\ \ \___\ \  __ \ \  __\\ \  __<   
 \ \_____\ \_____\ \_\ \_\/\_____\/\_____\    \/\_____\ \_____\ \_\ \_\ \_\ \_\ \_____\ \_\ \_\ \_____\ \_\ \_\ 
  \/_____/\/_____/\/_/\/_/\/_____/\/_____/     \/_____/\/_____/\/_/\/_/\/_/ /_/\/_____/\/_/\/_/\/_____/\/_/ /_/ 
                                                                                                                
[main] INFO org.vidar.ClazzSearchApplication - Using JAR classpath: /Users/zhchen/Downloads/github-workspace/d3forest/target/d3forest-1.0-SNAPSHOT.jar
[main] INFO org.vidar.ClazzSearchApplication - Running method discovery...
[main] INFO org.vidar.data.InheritanceDeriver - Calculating inheritance for 46001 classes...
[main] INFO org.vidar.ClazzSearchApplication - Searching target class for yml ...
ClazzRule(name=null, isInterface=null, extendsList=null, implementsList=null, annotations=null, fields=null, methods=[ClazzRule.Method(clazz=null, name=connect, desc=null, access=null, isStatic=null, calls=[ClazzRule.Call(classRef=javax/naming/Context, name=lookup, desc=null), ClazzRule.Call(classRef=javax/naming/InitialContext, name=lookup, desc=null)])])
[main] INFO org.vidar.discovery.ClazzDiscovery - 加载所有方法信息完毕...
[main] INFO org.vidar.discovery.ClazzDiscovery - 加载所有类信息完毕...
[main] INFO org.vidar.discovery.ClazzDiscovery - 加载所有父子类、超类、实现类关系完毕...
[main] INFO org.vidar.discovery.ClazzDiscovery - 加载方法调用信息完毕...
[main] INFO org.vidar.discovery.ClazzDiscovery - 开始寻找目标类...
[main] INFO org.vidar.discovery.ClazzDiscovery - 你希望target中存在：ClazzRule.Method(clazz=null, name=connect, desc=null, access=null, isStatic=null, calls=[ClazzRule.Call(claavax/naming/Context, name=lookup, desc=null), ClazzRule.Call(classRef=javax/naming/InitialContext, name=lookup, desc=null)])方法
以下是搜索结果：
ClassReference.Handle(name=com/sun/rowset/internal/CachedRowSetReader)
ClassReference.Handle(name=com/sun/rowset/JdbcRowSetImpl)

利用注解来寻找jar中的一些路由

annotations:
  - "Lorg/springframework/web/bind/annotation/RestController;"
  - "Lorg/springframework/stereotype/Controller;"

结果

 ______  __      ______  ______  ______       ______  ______  ______  ______  ______  __  __  ______  ______    
/\  ___\/\ \    /\  __ \/\___  \/\___  \     /\  ___\/\  ___\/\  __ \/\  == \/\  ___\/\ \_\ \/\  ___\/\  == \   
\ \ \___\ \ \___\ \  __ \/_/  /_\/_/  /__    \ \___  \ \  __\\ \  __ \ \  __<\ \ \___\ \  __ \ \  __\\ \  __<   
 \ \_____\ \_____\ \_\ \_\/\_____\/\_____\    \/\_____\ \_____\ \_\ \_\ \_\ \_\ \_____\ \_\ \_\ \_____\ \_\ \_\ 
  \/_____/\/_____/\/_/\/_/\/_____/\/_____/     \/_____/\/_____/\/_/\/_/\/_/ /_/\/_____/\/_/\/_/\/_____/\/_/ /_/ 
                                                                                                                
[main] INFO org.vidar.ClazzSearchApplication - Using JAR classpath: /Users/zhchen/Downloads/github-workspace/d3forest/target/d3forest-1.0-SNAPSHOT.jar
[main] INFO org.vidar.ClazzSearchApplication - Running method discovery...
[main] INFO org.vidar.data.InheritanceDeriver - Calculating inheritance for 46001 classes...
[main] INFO org.vidar.ClazzSearchApplication - Searching target class for yml ...
ClazzRule(name=null, isInterface=null, extendsList=null, implementsList=null, annotations=[Lorg/springframework/web/bind/annotation/RestController;, Lorg/springframework/stereotype/Controller;], fields=null, methods=[ClazzRule.Method(clazz=null, name=hello, desc=null, access=null, isStatic=null, calls=null)])
[main] INFO org.vidar.discovery.ClazzDiscovery - 加载所有方法信息完毕...
[main] INFO org.vidar.discovery.ClazzDiscovery - 加载所有类信息完毕...
[main] INFO org.vidar.discovery.ClazzDiscovery - 加载所有父子类、超类、实现类关系完毕...
[main] INFO org.vidar.discovery.ClazzDiscovery - 加载方法调用信息完毕...
[main] INFO org.vidar.discovery.ClazzDiscovery - 开始寻找目标类...
[main] INFO org.vidar.discovery.ClazzDiscovery - 你希望target中存在：ClazzRule.Method(clazz=null, name=hello, desc=null, access=null, isStatic=null, calls=null)方法
以下是搜索结果：
ClassReference.Handle(name=com/d3ctf/controller/HelloController)

参数说明

  • --resume 是否使用已建立的数据缓存
  • --f 指定配置yml
  • --onlyJDK 是否只在jdk中筛选
  • --boot 是否是springboot的jar

附录

field access计算表

访问修饰符 数值表示
ACC_PUBLIC 1
ACC_PRIVATE 2
ACC_PROTECTED 4
ACC_STATIC 8
ACC_FINAL 16
ACC_VOLATILE 64
ACC_TRANSIENT 128
ACC_SYNTHETIC 4096

TODO List

  • 正则查询匹配
  • 更友好的字符格式
  • 交互式查询
  • 指定输出路径

开发者说明

  • mvn clean install即可以重新打包项目
  • 如对搜索逻辑不满，可提issue或者直接在ClazzDiscovery中修改为你的逻辑，代码很通俗

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一款使用Yaml定义搜索规则来搜索Class的工具

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Aug 2, 2023
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