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大佬们我有个疑问，就是比如我通过系统源码编译出一个test可执行文件，然后我通过adb执行./test，这个test能通过IGunder::getservice () 获取到服务？那是不是就意味着这些hidl的动态库其实都是在用户进程中有加载的？，也就是我普通app也能jni去通过IGunder::getservice ()访问吗？ #48

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yuandaimaahao opened this issue Jun 16, 2023 · 2 comments

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yuandaimaahao commented Jun 16, 2023

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yuandaimaahao commented Jun 16, 2023

可以，但是要配置selinux
硬件操作，常规套路是在SystemServer 里面加一个Java binder服务，这个服务再通过jni调用hal
App获取到 system server 的服务，来操作硬件
驱动，hal， framework， app 写一遍就基本懂了，套路都一样

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yuandaimaahao commented Jun 16, 2023

一般服务接口的调用都会检查调用者的uid的
你自己定义的如果不校验权限也是可以的

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