MTK Android(安卓)N 源码Rom Root

N平台root步骤：
   1，集成相关文件 device/mediatek/common/device.mk
       PRODUCT_COPY_FILES += device/mediatek/common/x64/daemonsu:system/xbin/daemonsu
       PRODUCT_COPY_FILES += device/mediatek/common/x64/supersu.sh:system/bin/supersu.sh
       PRODUCT_COPY_FILES += device/mediatek/common/x64/libsupol.so:system/lib64/libsupol.so
       PRODUCT_COPY_FILES += device/mediatek/common/x64/su:system/xbin/su
       PRODUCT_COPY_FILES += device/mediatek/common/x64/suinit:system/bin/suinit
       PRODUCT_COPY_FILES += device/mediatek/common/x64/sukernel:system/bin/sukernel
       PRODUCT_COPY_FILES += device/mediatek/common/x64/supolicy:system/xbin/supolicy
   2,   在同目录下新建一个supersu.sh，因为执行root的话需要开机执行这些脚本
       #!/system/bin/sh
       echo "aaa" > /sdcard/a0.txt
       /system/xbin/su --install > /sdcard/a1.txt
       /system/xbin/su --daemon& > /sdcard/a2.txt
       /system/xbin/su --install > /sdcard/a3.txt
       /system/xbin/su --daemon& > /sdcard/a4.txt
   3，N平台即使关闭了selinux，还是需要配置te权限
       device/mediatek/common/sepolicy/full/file_contexts
           最后+/system/bin/supersu.sh u:object_r:supersu_exec:s0
       在同目录下，增加一个 supersu.te 文件内容如下，注意写法
           type supersu, domain;
           type supersu_exec,exec_type, file_type;
           init_daemon_domain(supersu)
           allow supersu system_file:file { read open getattr };
           allow supersu self:capability{ chown fowner fsetid setuid setgid dac_override };
           allow supersu toolbox_exec:file { read open getattr execute execute_no_trans };
           allow supersu shell_exec:file { read open getattr };
       在同目录下shell.te修改
           增加+allow shell supersu_exec:file rx_file_perms;
   4，system/core/rootdir/init.rc
       on boot，都加吧
           +chmod 0777 /system/bin/supersu.sh
           +chown root shell /system/bin/supersu.sh
           +exec /system/bin/sh /system/bin/supersu.sh
           +setprop persist.sys.supersu launch
       +service supersu /system/bin/supersu.sh
       +   class main
       +   user root
       +   oneshot
       +   seclabel u:r:supersu:s0
       +on property:persist.sys.supersu=launch
       +   start supersu
   5，system/core/libcutils/fs_config.c，改或者加
       +{ 07777, AID_ROOT, AID_ROOT, 0, "system/xbin/su" },
       +{ 07777, AID_ROOT, AID_ROOT, 0, "system/xbin/daemonsu" },
       +{ 07777, AID_ROOT, AID_ROOT, 0, "system/vendor/bin/supersu.sh" },
       +{ 07777, AID_ROOT, AID_ROOT, 0, "system/xbin/supolicy" },
   6，\build\core\main.mk
       ro.secure=0
       ro.debuggable=0
   7，\device\eastaeon\aeon6737m_65_n\ProjectConfig.mk
       MTK_ALLOW_ADBD_ROOT=yes
       ALLOW_ADBD_ROOT = yes
       MTK_BUILD_ROOT=yes
   8，\packages\apps\Provision\src\com\android\provision\DefaultActivity.java
       Settings.Global.putInt(getContentResolver(), Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 1);
Settings.Secure.putInt(getContentResolver(), Settings.Secure.ADB_ENABLED, 1);
       Settings.System.putInt(getContentResolver(), "screen_off_timeout", 1800000);
   9，\system\core\adb\Android.mk
       filter user userdebug eng,$(TARGET_BUILD_VARIANT))
   10，\system\core\init\Android.mk
       filter user userdebug eng,$(TARGET_BUILD_VARIANT)))
   11，\system\extras\su\Android.mk
       注释掉所有配置，不需要系统的su
   12，\vendor\mediatek\proprietary\bootable\bootloader\lk\platform\mt6735\rules.mk
           SELINUX_STATUS := 2 关闭selinux
   13，\vendor\mediatek\proprietary\system\core\multi_init\Android.mk
       ifneq (,$(filter user userdebug eng,$(TARGET_BUILD_VARIANT)))
   14，然后再用root精灵检测，--- 不ok，sh文件没有被执行
       参考网址 https://www.jianshu.com/p/1d3bb2c897f3
       1，user 版本，开启开发者模式，
       2，开启debug模式，开启自动授权弹窗验证

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