Magisk/scripts/emulator.sh

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#!/usr/bin/env bash
################################################################
# AVD Magisk Setup
################################################################
#
# This script will setup an environment with minimal Magisk that
# Magisk Manager will be happy to run properly within the official
# emulator bundled with Android Studio (AVD).
#
# ONLY use this script for developing Magisk Manager or root apps
# in the emulator. The constructed Magisk environment is not a
# fully functional one as if it is running on an actual device.
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#
# The script assumes you are using x86/x64 emulator images.
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# Build binaries with `./build.py binary` before running this script.
#
################################################################
abort() {
echo "$@"
exit 1
}
mount_sbin() {
mount -t tmpfs -o 'mode=0755' tmpfs /sbin
$SELINUX && chcon u:object_r:rootfs:s0 /sbin
}
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if [ ! -f /system/build.prop ]; then
# Running on PC
cd "`dirname "$0"`/.."
adb push native/out/x86/busybox scripts/emulator.sh /data/local/tmp
emu_arch=`adb shell uname -m`
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if [ "$emu_arch" = "x86_64" ]; then
adb push native/out/x86/magiskinit64 /data/local/tmp/magiskinit
else
adb push native/out/x86/magiskinit /data/local/tmp
fi
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adb shell sh /data/local/tmp/emulator.sh
exit 0
fi
cd /data/local/tmp
chmod 777 busybox
chmod 777 magiskinit
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if [ `./busybox id -u` -ne 0 ]; then
# Re-run script with root
exec /system/xbin/su 0 sh $0
fi
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# First setup a good env to work with
rm -rf bin
./busybox mkdir bin
./busybox --install -s bin
OLD_PATH="$PATH"
PATH="/data/local/tmp/bin:$PATH"
# Remove previous setup if exist
pgrep magiskd >/dev/null && pkill -9 magiskd
[ -f /sbin/magisk ] && umount -l /sbin
# SELinux stuffs
[ -e /sys/fs/selinux ] && SELINUX=true || SELINUX=false
if $SELINUX; then
ln -sf ./magiskinit magiskpolicy
./magiskpolicy --live --magisk 'allow magisk * * *'
fi
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# Setup sbin overlay
if mount | grep -q rootfs; then
mount -o rw,remount /
rm -rf /root
mkdir /root
chmod 750 /root
ln /sbin/* /root
mount -o ro,remount /
mount_sbin
ln -s /root/* /sbin
else
mount_sbin
mkdir -p /sbin/.magisk/mirror/system_root
block=`mount | grep ' / ' | awk '{ print $1 }'`
[ $block = "/dev/root" ] && block=/dev/block/dm-0
mount -o ro $block /sbin/.magisk/mirror/system_root
for file in /sbin/.magisk/mirror/system_root/sbin/*; do
[ ! -e $file ] && break
if [ -L $file ]; then
cp -af $file /sbin
else
sfile=/sbin/`basename $file`
touch $sfile
mount -o bind $file $sfile
fi
done
fi
# Magisk stuffs
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./magiskinit -x magisk /sbin/magisk
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chmod 755 /sbin/magisk
ln -s ./magisk /sbin/su
ln -s ./magisk /sbin/resetprop
ln -s ./magisk /sbin/magiskhide
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mkdir -p /sbin/.magisk/busybox
cp -af ./busybox /sbin/.magisk/busybox/busybox
/sbin/.magisk/busybox/busybox --install -s /sbin/.magisk/busybox
mkdir -p /data/adb/modules 2>/dev/null
mkdir /data/adb/post-fs-data.d 2>/dev/null
mkdir /data/adb/services.d 2>/dev/null
/sbin/magisk --daemon