Magisk/app/src/full/java/com/topjohnwu/magisk/utils/RootUtils.java

package com.topjohnwu.magisk.utils;

import com.topjohnwu.magisk.MagiskManager;
import com.topjohnwu.superuser.Shell;
import com.topjohnwu.superuser.ShellUtils;
import com.topjohnwu.superuser.io.SuFile;

public class RootUtils {

    public static void init() {
        if (Shell.rootAccess()) {
            Const.MAGISK_DISABLE_FILE = new SuFile("/cache/.disable_magisk");
            SuFile file = new SuFile("/sbin/.core/img");
            if (file.exists()) {
                Const.MAGISK_PATH = file;
            } else if ((file = new SuFile("/dev/magisk/img")).exists()) {
                Const.MAGISK_PATH = file;
            } else {
                Const.MAGISK_PATH = new SuFile("/magisk");
            }
            Const.MAGISK_HOST_FILE = new SuFile(Const.MAGISK_PATH + "/.core/hosts");
        }
    }

    public static void uninstallPkg(String pkg) {
        Shell.Sync.su("db_clean " + Const.USER_ID, "pm uninstall " + pkg);
    }

    public static void patchDTBO() {
        if (Shell.rootAccess()) {
            MagiskManager mm = MagiskManager.get();
            if (mm.magiskVersionCode >= Const.MAGISK_VER.DTBO_SUPPORT) {
                if (Boolean.parseBoolean(ShellUtils.fastCmd("mm_patch_dtbo")))
                    ShowUI.dtboPatchedNotification();
            }
        }
    }
}