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‎.gitignore

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# Compiled class file
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*.class
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# Log file
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*.log
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# BlueJ files
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*.ctxt
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# Mobile Tools for Java (J2ME)
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.mtj.tmp/
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# Package Files #
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*.jar
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*.war
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*.nar
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*.ear
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*.zip
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*.tar.gz
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*.rar
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# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
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hs_err_pid*

‎LICENSE

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‎README.md

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# DbVisualizer Pro Agent
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#### Support (more version need your feedback):
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DbVisualizer 10.0.22
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## 使用说明
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### 优势
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* 提供基于java的命令行 keygen，更方便在终端环境使用。
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* 开源项目，你知道破解时都做了什么。
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### 直接下载
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* 直接下载本项目[release](https://github.com/xiaguliuxiang/dbvisualizer-agent/releases)包。
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### 自行编译
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* Clone本项目源码，pom.xml同级目录执行`mvn package`后即可进行编译。
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* 使用`target`目录产出的`dbvisualizer-agent-1.0-SNAPSHOT-jar-with-dependencies.jar`，而非`dbvisualizer-agent-1.0-SNAPSHOT.jar`！
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* *如果你不知道我在说什么，最好还是直接下载我编译好的包。*
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### 使用帮助
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* 如果你已经获得`dbvisualizer-agent.jar`，可以试着执行`java -jar dbvisualizer-agent.jar -h`看看输出的帮助。
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### 配置Agent
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1. 将`dbvisualizer-agent.jar`放在一个你不会随便删除的位置。
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2. 设置环境变量`VM options`（这其实是Java的环境变量，用来指定其启动java程序时附带的参数），把`-javaagent`参数附带上。具体可以这么做：
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* 你可以把：`-javaagent:/path/dbvisualizer-agent.jar`这样的命令直接放到`dbvis.vmoptions`这样的文件内。
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* 你还可以直接命令行执行：` sed -i '$a-javaagent:/path/dbvisualizer-agent.jar' ${DBVIS_HOME}/dbvis.vmoptions`来添加参数。
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* 或者你所知的其他修改环境变量的方法。
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* 总之你想办法把`-javaagent`参数附带到要启动的java进程上。
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3. 配置完成请重启你的`DbVisualizer`客户端。
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4. 如果你想验证是否配置成功，可以这么做：
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* 执行类似命令：`ps aux|grep java` 找到对应的进程看看`-javaagent`参数是否正确附上。
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* 在`Linux`用户目录类似：`${HOME}/.dbvis/logs`软件运行日志内应该能找到：`-javaagent:/path/dbvisualizer-agent.jar`的输出字样。
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* 在`Windows`用户目录类似：`%USERPROFILE%/.dbvis/logs`软件运行日志内应该能找到：`-javaagent:/path/dbvisualizer-agent.jar`的输出字样。
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### 使用KeyGen
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* 你得确认已经配置好agent，参考上面说明。
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* 当你试着执行`java -jar dbvisualizer-agent.jar -h`时应该可以看到输出的KeyGen参数帮助。
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* 请仔细看看每个参数的作用。
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* 提供了正确的参数运行KeyGen会在终端输出计算好的激活码。
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* 将生成的激活码复制出来去激活你的DbVisualizer。
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* 举个栗子：`java -jar dbvisualizer-agent.jar -n xiaguliuxiang -o https://github.com/xiaguliuxiang/dbvisualizer-agent`
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### 申明
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* 本项目只做个人学习研究之用，不得用于商业用途！
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* 商业使用请向 [DbVisualizer](https://www.dbvis.com) 购买正版，谢谢合作！
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* 本项目使用`GNU General Public License v3.0`开源许可！
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* 不允许说我代码写的糟糕。
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### 交流
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* 给本项目发issue。
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* 欢迎你来一起完善这个项目，请发PR。
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* 你可以加入QQ群：`532944625` 和我实时交流。
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* 访问网站：[https://github.com/xiaguliuxiang/dbvisualizer-agent](https://github.com/xiaguliuxiang/dbvisualizer-agent) 给我留言。
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### 热心网友教程（感谢原作者，侵删！）
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* [Google](https://www.google.com)
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### 关于
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* [侠骨留香](https://github.com/xiaguliuxiang)
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* 2019年09月09日

‎pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>site.xiaguliuxiang.crack.dbvisualizer</groupId>
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<artifactId>dbvisualizer-agent</artifactId>
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<version>1.0-SNAPSHOT</version>
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<name>DbVisualizer Pro Agent</name>
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<url>https://github.com/xiaguliuxiang/dbvisualizer-agent</url>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<maven.compiler.source>1.8</maven.compiler.source>
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<maven.compiler.target>1.8</maven.compiler.target>
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<commons-cli.version>1.4</commons-cli.version>
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<jaxb-api-version>2.2.12</jaxb-api-version>
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<javassist.version>3.21.0-GA</javassist.version>
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</properties>
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<dependencies>
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<!--
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The Apache Commons CLI library provides an API for parsing command line options passed to programs.
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It's also able to print help messages detailing the options available for a command line tool.
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-->
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<dependency>
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<groupId>commons-cli</groupId>
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<artifactId>commons-cli</artifactId>
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<version>${commons-cli.version}</version>
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</dependency>
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<!-- https://mvnrepository.com/artifact/javax.xml.bind/jaxb-api -->
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<!-- https://docs.oracle.com/javase/8/docs/api/javax/xml/bind/DatatypeConverter.html#parseBase64Binary-java.lang.String- -->
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<dependency>
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<groupId>javax.xml.bind</groupId>
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<artifactId>jaxb-api</artifactId>
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<version>${jaxb-api-version}</version>
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</dependency>
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<!--
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Javassist (Java Programming Assistant) makes Java bytecode manipulation simple.
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It is a class library for editing bytecodes in Java; it enables Java programs to
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define a new class at runtime and to modify a class file when the JVM loads it.
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-->
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<dependency>
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<groupId>org.javassist</groupId>
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<artifactId>javassist</artifactId>
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<version>${javassist.version}</version>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<!--
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Apache Maven JAR Plugin
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This plugin provides the capability to build jars.
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-->
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-jar-plugin</artifactId>
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<version>3.1.2</version>
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<configuration>
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<archive>
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<addMavenDescriptor>false</addMavenDescriptor>
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</archive>
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<excludes>xiaguliuxiang.keystore</excludes>
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</configuration>
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</plugin>
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<!--
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Apache Maven Assembly Plugin
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The Assembly Plugin for Maven is primarily intended to allow users to aggregate the project output
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along with its dependencies, modules, site documentation, and other files into a single distributable archive.
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-->
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-assembly-plugin</artifactId>
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<version>3.1.1</version>
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<configuration>
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<archive>
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<manifest>
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<addClasspath>false</addClasspath>
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</manifest>
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<manifestEntries>
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<Premain-Class>site.xiaguliuxiang.crack.dbvisualizer.agent.Agent</Premain-Class>
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<Main-Class>site.xiaguliuxiang.crack.dbvisualizer.Usage</Main-Class>
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<Can-Redefine-Classes>true</Can-Redefine-Classes>
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<Built-By>[email protected]</Built-By>
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<Created-By>[email protected]</Created-By>
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</manifestEntries>
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</archive>
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<descriptorRefs>
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<descriptorRef>jar-with-dependencies</descriptorRef>
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</descriptorRefs>
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</configuration>
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<executions>
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<execution>
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<id>make-assembly</id>
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<phase>package</phase>
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<goals>
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<goal>single</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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</project>

‎src/main/java/site/xiaguliuxiang/crack/dbvisualizer/Usage.java

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package site.xiaguliuxiang.crack.dbvisualizer;
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import org.apache.commons.cli.*;
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import site.xiaguliuxiang.crack.dbvisualizer.keygen.KeyGen;
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/**
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* @author [email protected]
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* @date 2019-09-09 20:00:00
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*/
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public class Usage {
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private static final Options OPTIONS = new Options();
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private static final String DEFAULT_LICENSE_NAME = "侠骨留香";
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private static final String DEFAULT_LICENSE_ORG = "ChinaPYG";
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public static void main(String[] args) {
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String usage = "\n====================================================\n"
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+ "======= DbVisualizer Pro Crack Agent =======\n"
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+ "======= https://github.com/xiaguliuxiang =======\n"
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+ "======= QQ Group: 532944625 =======\n"
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+ "====================================================\n\n";
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System.out.print(usage);
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System.out.flush();
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OPTIONS.addOption("n", "name", true, "License name[default: 侠骨留香]");
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OPTIONS.addOption("o", "org", true, "License organization[default: ChinaPYG]");
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OPTIONS.addOption("h", "help", false, "Print help message");
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try {
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CommandLine command = new DefaultParser().parse(OPTIONS, args);
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runCommand(command);
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} catch (ParseException e) {
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printUsage();
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}
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}
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private static void printUsage() {
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String selfPath = Usage.class.getProtectionDomain().getCodeSource().getLocation().getPath();
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System.out.print("KeyGen ");
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HelpFormatter formatter = new HelpFormatter();
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formatter.printHelp("java -jar " + selfPath, OPTIONS, true);
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System.out.println("\n================================================================================");
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System.out.println("\n# Crack agent usage: append -javaagent arg to dbvis.vmoptions.");
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System.out.println("# Example(-javaagent arg): \n");
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System.out.println(" -javaagent:" + selfPath);
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System.out.println("\n# Then start your DbVisualizer.\n");
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System.exit(1);
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}
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private static void runCommand(CommandLine commandLine) {
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if (commandLine.hasOption("h")) {
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printUsage();
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return;
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}
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String licenseName = commandLine.hasOption("n") ? commandLine.getOptionValue("n") : DEFAULT_LICENSE_NAME;
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String licenseOrg = commandLine.hasOption("o") ? commandLine.getOptionValue("o") : DEFAULT_LICENSE_ORG;
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try {
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String license = KeyGen.generateLicense(licenseName, licenseOrg);
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System.out.println("Your license key(Don't copy this line!!!): \n");
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System.out.println(license);
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System.out.println();
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} catch (Exception e) {
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e.printStackTrace();
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}
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System.out.flush();
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}
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}

‎src/main/java/site/xiaguliuxiang/crack/dbvisualizer/agent/Agent.java

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package site.xiaguliuxiang.crack.dbvisualizer.agent;
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import java.lang.instrument.Instrumentation;
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/**
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* @author [email protected]
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* @date 2019-09-09 20:00:00
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*/
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public class Agent {
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public static void premain(String agentArgs, Instrumentation inst) {
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try {
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inst.addTransformer(new KeyTransformer());
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} catch (Exception e) {
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throw new RuntimeException(e);
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}
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}
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}

‎src/main/java/site/xiaguliuxiang/crack/dbvisualizer/agent/KeyTransformer.java

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package site.xiaguliuxiang.crack.dbvisualizer.agent;
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import javassist.ClassPool;
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import javassist.CtClass;
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import javassist.CtConstructor;
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import javassist.CtField;
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import java.io.ByteArrayInputStream;
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import java.lang.instrument.ClassFileTransformer;
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import java.lang.instrument.IllegalClassFormatException;
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import java.security.ProtectionDomain;
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/**
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* @author [email protected]
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* @date 2019-09-09 20:00:00
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*/
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public class KeyTransformer implements ClassFileTransformer {
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private static final String ENCODED_KEY_SPEC = "java/security/spec/EncodedKeySpec";
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private static final String RAW_KEY = "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";
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private static final String XIAGULIUXINAG_KEY = "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";
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@Override
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public byte[] transform(ClassLoader loader, String className, Class<?> classBeingRedefined,
25+
ProtectionDomain protectionDomain, byte[] classfileBuffer) throws IllegalClassFormatException {
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if (className == null) {
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return classfileBuffer;
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}
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if (className.equals(ENCODED_KEY_SPEC)) {
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return handleKeySpec(classfileBuffer);
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}
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return classfileBuffer;
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}
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private byte[] handleKeySpec(byte[] classfileBuffer) throws IllegalClassFormatException {
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try {
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String b64f;
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ClassPool classPool = ClassPool.getDefault();
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CtClass ctClass = classPool.makeClass(new ByteArrayInputStream(classfileBuffer));
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classPool.importPackage("java.util.Arrays");
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try {
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Class.forName("java.util.Base64");
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classPool.importPackage("java.util.Base64");
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b64f = "Base64.getDecoder().decode";
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} catch (ClassNotFoundException e) {
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try {
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Class.forName("javax.xml.bind.DatatypeConverter");
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classPool.importPackage("javax.xml.bind.DatatypeConverter");
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b64f = "DatatypeConverter.parseBase64Binary";
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} catch (ClassNotFoundException ex) {
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throw new RuntimeException(ex);
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}
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}
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ctClass.addField(
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CtField.make("private static final byte[] __h_ok=" + b64f + "(\"" + RAW_KEY + "\");", ctClass));
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ctClass.addField(
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CtField.make("private static final byte[] __h_nk=" + b64f + "(\"" + XIAGULIUXINAG_KEY + "\");",
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ctClass));
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CtConstructor ctConstructor = ctClass.getConstructor("([B)V");
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ctConstructor.insertBefore("if(Arrays.equals($1,__h_ok)){$1=__h_nk;}");
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return ctClass.toBytecode();
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} catch (Exception e) {
68+
throw new IllegalClassFormatException(e.getMessage());
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}
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}
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}

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