2022-01-19 05:12:11 -08:00
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#!/usr/bin/env bash
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#####################################################################
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# AVD MagiskInit Setup
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#####################################################################
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#
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# Support emulator ABI: x86_64 and arm64
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# Support API level: 23 - 31 (21 and 22 images do not have SELinux)
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#
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# With an emulator booted and accessible via ADB, usage:
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# ./build.py avd_patch path/to/booted/avd-image/ramdisk.img
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#
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# The purpose of this script is to patch AVD ramdisk.img and do a
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# full integration test of magiskinit under several circumstances.
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# After patching ramdisk.img, close the emulator, then select
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# "Cold Boot Now" in AVD Manager to force a full reboot.
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#
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2022-01-19 20:28:01 -08:00
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# P.S. If running against the API 28 image, modify init.hpp and set
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# ENABLE_AVD_HACK to 1 to enable special hacks designed specifically
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# for this use case.
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#
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2022-01-19 05:12:11 -08:00
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#####################################################################
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# AVD Init Configurations:
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#
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# rootfs w/o early mount: API 23 - 25
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# rootfs with early mount: API 26 - 27
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# Legacy system-as-root: API 28
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# 2 stage init: API 29 - 31
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#####################################################################
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if [ ! -f /system/build.prop ]; then
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# Running on PC
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echo 'Please run `./build.py avd_patch` instead of directly executing the script!'
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exit 1
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fi
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cd /data/local/tmp
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chmod 755 busybox
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if [ -z "$FIRST_STAGE" ]; then
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export FIRST_STAGE=1
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export ASH_STANDALONE=1
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# Re-exec script with busybox
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exec ./busybox sh $0
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fi
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2022-01-19 20:28:01 -08:00
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pm install -r $(pwd)/app-debug.apk
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2022-01-19 05:12:11 -08:00
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# Extract files from APK
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unzip -oj app-debug.apk 'assets/util_functions.sh'
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. ./util_functions.sh
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api_level_arch_detect
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2022-01-20 01:33:59 -08:00
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unzip -oj app-debug.apk "lib/$ABI/*" "lib/$ABI32/libmagisk32.so" -x "lib/$ABI/libbusybox.so"
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2022-01-19 05:12:11 -08:00
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for file in lib*.so; do
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chmod 755 $file
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mv "$file" "${file:3:${#file}-6}"
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done
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gzip -d ramdisk.cpio.gz
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cp ramdisk.cpio ramdisk.cpio.orig
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touch config
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# For API 28, we also patch advancedFeatures.ini to disable SAR
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# Manually override skip_initramfs by setting RECOVERYMODE=true
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[ $API = "28" ] && echo 'RECOVERYMODE=true' >> config
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./magiskboot compress=xz magisk32 magisk32.xz
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./magiskboot compress=xz magisk64 magisk64.xz
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export KEEPVERITY=false
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export KEEPFORCEENCRYPT=true
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./magiskboot cpio ramdisk.cpio \
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"add 0750 init magiskinit" \
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"mkdir 0750 overlay.d" \
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"mkdir 0750 overlay.d/sbin" \
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"add 0644 overlay.d/sbin/magisk32.xz magisk32.xz" \
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"add 0644 overlay.d/sbin/magisk64.xz magisk64.xz" \
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"patch" \
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"backup ramdisk.cpio.orig" \
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"mkdir 000 .backup" \
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"add 000 .backup/.magisk config"
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rm -f ramdisk.cpio.orig config magisk*.xz
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gzip -9 ramdisk.cpio
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