Magisk support #207

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Magisk support#207

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several guys requested the Magisk support. And I will look into this feature request. Stay tune~~

BTW, SELinux is ignored in redroid; thus the policy related ops are not needed here.

self-assigned this

added

changed the title ~~[-]my attempt integrating magisk[/-]~~ Magisk support

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## manually get a working Magisk on redroid12
## kind busy these days. will add magisk support in redroid building process later.

# add /sbin
/sbin/
├── magisk
└── stub.apk

# add busybox
/data/adb/
├── magisk
│   └── busybox

# add su (override `/system/xbin/su`)
/product/bin/
└── su -> /sbin/magisk

# add init.rc
cat /vendor/etc/init/redroid.magisk.rc
service magisk-d /sbin/magisk --daemon
    user root
    oneshot

on boot
    start magisk-d

on post-fs-data
    start logd
    rm /dev/.magisk-unblock
    start s1
    wait /dev/.magisk-unblock 5
    rm /dev/.magisk-unblock

service s1 /sbin/magisk --post-fs-data
    user root
    oneshot

service s2 /sbin/magisk --service
    class late_start
    user root
    oneshot

on property:sys.boot_completed=1
    exec /sbin/magisk --boot-complete

on property:init.svc.zygote=restarting
    exec /sbin/magisk --zygote-restart

on property:init.svc.zygote=stopped
    exec /sbin/magisk --zygote-restart

mentioned this in 2 issues

Member

This is a quick setup (possible not elegant, try refine by yourself)

please i need some info

#add /sbin

do find /sbin -exec ls -dlh {} \;
many busybox symlinks under .magisk directory (magisk automatically setup). ignored here

#add busybox

do find /data/adb -exec ls -dlh {} \;

drwx------ 6 root root 4.0K 2022-08-08 03:42 /data/adb
drwxr-xr-x 2 root root 4.0K 2022-08-05 12:16 /data/adb/service.d
-rw------- 1 root root 40K 2022-08-05 12:16 /data/adb/magisk.db
drwxr-xr-x 2 root root 4.0K 2022-08-05 12:16 /data/adb/modules
drwxr-xr-x 2 root root 4.0K 2022-08-05 12:16 /data/adb/post-fs-data.d
drwxr-xr-x 2 root root 4.0K 2022-08-08 03:37 /data/adb/magisk
-rwxr-xr-x 1 root root 2.0M 2022-08-08 03:37 /data/adb/magisk/busybox

#add su (override /system/xbin/su)

do ls -lh /system/xbin/su do which su
/product/bin/su

#add init.rc

do ls -lh /vendor/etc/init/redroid.magisk.rc do cat /vendor/etc/init/redroid.magisk.rc
already pasted above

mentioned this

如何在redroid容器内安装gui root权限管理器？ #63

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you can add stub.apk in docker image (will be there after each launch, and get removed after boot).

Member

I use locally build magisk (open some debug logs).

check logcat --pid <pid of magiskd>
check logcat --pid <pid of magisk-app>

# enable magisk app shell verbose logs

diff --git a/app/src/main/java/com/topjohnwu/magisk/core/App.kt b/app/src/main/java/com/topjohnwu/magisk/core/App.kt
index 1c300b7c5..18ce93f1e 100644
--- a/app/src/main/java/com/topjohnwu/magisk/core/App.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/core/App.kt
@@ -54,6 +54,7 @@ open class App() : Application() {
         ServiceLocator.context = base
         app.registerActivityLifecycleCallbacks(ActivityTracker)

+        Shell.enableVerboseLogging = true;
         Shell.setDefaultBuilder(Shell.Builder.create()
             .setFlags(Shell.FLAG_MOUNT_MASTER)
             .setInitializers(ShellInit::class.java)

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try with adb shell; adb connect ... then adb -s xxx shell

Member

adbd help to setup some environment variables (check /init.envrion.rc), while docker exec ... not.

Member

you can create (mkdir) by your own.

Member

I'm not provide you the complete solution to integrate Magisk here. Just a working PoC here. hopefully, you can follow this guide to enhance this solution.

For Magisk initial setup, possible to add a magisk-setup.rc and copy blobs to the desired folders.

redroid is very easy to customize, have fun~~

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