为什么:
1.体验下如何编译面具源码
2.魔改面具-绕过更深的root检测

1.ubuntu 虚拟机下载地址

http://mirrors.aliyun.com/ubuntu-releases/20.04/

github:https://github.com/topjohnwu/Magisk

编译根据这篇文章做好前缀下代码工作

https://zhuanlan.zhihu.com/p/385255256

编译踩坑记录:

https://blog.csdn.net/u012932409/article/details/123001265

Unresolved reference: transferTo
根据  https://github.com/topjohnwu/Magisk/issues/4712

Change transferTo to copyTo   这样修改就OK

2.
需要配置最新的 as

到这一步 我们可以用虚拟机里面的 Android studio打开Magisk目录。等他自己先加载一阵子

• What went wrong:
  Could not determine the dependencies of task ‘:stub:compileDebugJavaWithJavac’.
  Failed to install the following Android SDK packages as some licences have not been accepted.
  build-tools;32.0.0 Android SDK Build-Tools 32
  To build this project, accept the SDK license agreements and install the missing components using the Android Studio SDK Manager.
  All licenses can be accepted using the sdkmanager command line tool:
  sdkmanager.bat --licenses
  Or, to transfer the license agreements from one workstation to another, see https://developer.android.com/studio/intro/update.html#download-with-gradle

解决方案:https://blog.csdn.net/qq_41105058/article/details/122891183

error: linker cc not found
|
= note: No such file or directory (os error 2)

error: could not compile syn due to previous error
error: could not compile quote due to previous error
error: could not compile proc-macro2 due to previous error
error: failed to compile cxxbridge-cmd v1.0.72 (/home/muyang/Desktop/Magisk/native/src/external/cxx-rs/gen/cmd), intermediate artifacts can be found at /home/muyang/Desktop/Magisk/native/src/external/cxx-rs/target

解决方法：

	在终端执行以下命令：
	sudo apt update
	sudo apt install build-essential

https://blog.csdn.net/love906897406/article/details/126070786

5. 接下来执行
   ./build.py all

   就可以了

   
   安装提示这个 建议重新刷机 或者 之前的面具没卸载干净 重新装回来重新卸载

   刷面具的另外一种方式:
   修补boot
   https://www.bilibili.com/video/BV1UN4y137Z5/?spm_id_from=333.337.search-card.all.click&vd_source=43c2c404de6d798650d44c856ee1e992

6.魔改
https://mp.weixin.qq.com/s/epbJfjnO8x6Wenwo61uj4A
1.将su 修改为 mysu 可以躲过一定的root检测

1. 
	路径 /home/muyang/Desktop/mogai/Magisk/native/src/include/magisk.hpp
	constexpr const char *applet_names[] = { "su", "resetprop", nullptr };
	su -> mysu
2.
	路径 /home/muyang/Desktop/mogai/Magisk/native/src/core/applets.cpp
	constexpr Applet applets[] = {
    { "su", su_client_main },
    { "resetprop", resetprop_main },
	};
	
	su -> mysu

改完编译后会发现一个问题。mysu可以用了，但是

超级用户和模块功能不能使用了。

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