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NanoDroid/uninstaller/META-INF/com/google/android/update-binary

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#!/sbin/sh
OUTFD=$2
ZIP=$3
detect_bootmode () {
[ -z ${BOOTMODE} ] && BOOTMODE=false
${BOOTMODE} || ps | grep zygote | grep -qv grep && BOOTMODE=true
${BOOTMODE} || ps -A | grep zygote | grep -qv grep && BOOTMODE=true
${BOOTMODE} && error "NanoDroid Uninstaller can't be run from Magisk Manager!"
}
ui_print() {
echo -n -e "ui_print $1\n" >> /proc/self/fd/$OUTFD
echo -n -e "ui_print\n" >> /proc/self/fd/$OUTFD
}
grep_prop() {
REGEX="${1}"
shift
FILES="${@}"
[ -z "${@}" ] && FILES='/system/build.prop'
sed -n "s/^${REGEX}=//p" ${FILES} | \
head -n 1
}
grep_cmdline() {
local REGEX="s/^${1}=//p"
sed -E 's/ +/\n/g' /proc/cmdline | \
sed -n "${REGEX}" 2>/dev/null
}
is_mounted() {
if [ ! -z "$2" ]; then
cat /proc/mounts | grep $1 | grep $2, >/dev/null
else
cat /proc/mounts | grep $1 >/dev/null
fi
return $?
}
setup_busybox () {
mkdir /dev/tmp
ABI=$(grep_prop ro.product.cpu.abi | cut -c-3)
ABI2=$(grep_prop ro.product.cpu.abi2 | cut -c-3)
ABILONG=$(grep_prop ro.product.cpu.abi)
ARCH=arm
[ "$ABI" = "x86" ] && ARCH=x86
[ "$ABI2" = "x86" ] && ARCH=x86
[ "$ABILONG" = "arm64-v8a" ] && ARCH=arm64
[ "$ABILONG" = "x86_64" ] && ARCH=x86_64
case ${ARCH} in
arm | arm64 )
unzip -o "${ZIP}" busybox.arm -d "/dev/tmp"
BUSY=/dev/tmp/busybox.arm
;;
x86 | x86_64 )
unzip -o "${ZIP}" busybox.x86 -d "/dev/tmp"
BUSY=/dev/tmp/busybox.x86
;;
esac
OLD_PATH=${PATH}
chmod 0755 ${BUSY}
mkdir -p /dev/tmp/busybox
ln -s ${BUSY} /dev/tmp/busybox/busybox
${BUSY} --install -s /dev/tmp/busybox/
export PATH="/dev/tmp/busybox:${PATH}"
}
error () {
ui_print " !!"
ui_print " !! ${@}"
ui_print " !!"
exit 1
}
request_size_check() {
reqSizeM=`unzip -l "$1" 2>/dev/null | tail -n 1 | awk '{ print $1 }'`
reqSizeM=$((reqSizeM / 1048576 + 1))
}
image_size_check() {
e2fsck -yf $1
curBlocks=`e2fsck -n $1 2>/dev/null | grep $1 | cut -d, -f3 | cut -d\ -f2`;
curUsedM=`echo "$curBlocks" | cut -d/ -f1`
curSizeM=`echo "$curBlocks" | cut -d/ -f1`
curFreeM=$(((curSizeM - curUsedM) * 4 / 1024))
curUsedM=$((curUsedM * 4 / 1024 + 1))
curSizeM=$((curSizeM * 4 / 1024))
}
shrink_magisk_img () {
image_size_check /data/magisk.img
NEWDATASIZE=$((curUsedM / 32 * 32 + 32))
if [ "$curSizeM" -gt "$NEWDATASIZE" ]; then
resize2fs $IMG ${NEWDATASIZE}M
fi
}
mount_image() {
if [ ! -d "$2" ]; then
mount -o rw,remount rootfs /
mkdir -p "$2" 2>/dev/null
[ ! -d "$2" ] && return 1
fi
if ! is_mounted "$2"; then
LOOPDEVICE=
for LOOP in 0 1 2 3 4 5 6 7; do
if ! is_mounted "$2"; then
LOOPDEVICE=/dev/block/loop$LOOP
[ -e $LOOPDEVICE ] || mknod $LOOPDEVICE b 7 $LOOP 2>/dev/null
losetup $LOOPDEVICE "$1" && mount -t ext4 -o loop $LOOPDEVICE "$2"
if is_mounted "$2"; then
break;
fi
fi
done
fi
}
# taken from Magisk, with minor modifications for NanoDroid
mount_partitions () {
SLOT=$(grep_cmdline androidboot.slot_suffix)
if [ -z ${SLOT} ]; then
SLOT=_$(grep_cmdline androidboot.slot)
[ "${SLOT}" = "_" ] && SLOT=
fi
is_mounted /data || mount /data || error "failed to mount /data!"
! is_mounted /system && mount -o rw /system
if [ ! -f /system/build.prop ]; then
SYSTEMBLOCK=$(find /dev/block -iname system${SLOT} | head -n 1)
mount -t ext4 -o rw ${SYSTEMBLOCK} /system
fi
[ -f /system/build.prop ] || is_mounted /system || error "failed to mount /system (unsupported A/B device?)"
if [ -f /system/init ]; then
mkdir /system_root 2>/dev/null
mount --move /system /system_root
mount -o bind /system_root/system /system
fi
[ ! -f /system/build.prop ] && error "failed to mount /system (unsupported A/B device?)"
if [ ! -d /system/xbin ]; then
NANODROID_BINDIR=/system/bin
else NANODROID_BINDIR=/system/xbin
fi
}
# check for configuration files
config_locations="/sdcard /external_sd /data $(dirname ${ZIP}))"
config_files=".nanodroid-setup .nanodroid-apps .nanodroid-overlay"
restore_apps () {
for app in /sdcard/nanodroid_backups/app/*; do
if [ -d /system/app/${app} ]; then
ui_print " << removing backup: app:${app}"
rm -rf /sdcard/nanodroid_backups/app/${app}
else
ui_print " << restoring: app:${app}"
mv /sdcard/nanodroid_backups/app/${app} \
/system/app/ || error " failed to restore ${app}"
fi
done
for app in /sdcard/nanodroid_backups/priv-app/*; do
if [ -d /system/priv-app/${app} ]; then
ui_print " << removing backup: priv-app:${app}"
rm -rf /sdcard/nanodroid_backups/priv-app/${app}
else
ui_print " << restoring: priv-app:${app}"
mv /sdcard/nanodroid_backups/priv-app/${app} \
/system/priv-app/ || error " failed to restore ${app}"
fi
done
}
system_mode_uninstall () {
ui_print " << uninstalling: NanoDroid (System)"
ui_print " << using: ${1}"
system_list=${1}
if test -h /system/fonts/Roboto-Regular.ttf; then
CUSTOM_FONT="$(basename $(readlink /system/fonts/Roboto-Regular.ttf) .ttf)"
ui_print " << Detected NanoDroid-Font (${CUSTOM_FONT})"
ui_print " < Restoring original Font"
${NANODROID_BINDIR}/nanodroid-font -r
fi
restore_apps
xargs rm -f < ${system_list} || error "failed to remove files"
# remove empty directories
# (find -empty not available on Android)
for dir in app priv-app share; do
find /system/${dir} -type d | \
xargs rmdir --ignore-fail-on-non-empty
done
rm -f "${system_list}"
}
patcher_uninstall () {
if [ -f /data/adb/.nanodroid-patcher -o -f /data/adb/NanoDroid_patched ]; then
if [ -f /sdcard/nanodroid_backups/services.jar ]; then
ui_print " << restoring: unpatched services.jar"
mv /sdcard/nanodroid_backups/services.jar /system/framework/services.jar \
|| error " failed to restore services.jar"
else ui_print " << can't restore unpatched services.jar"
fi
fi
[ -d /data/adb/nanodroid_patcher] && rm -rf ${addond}
for addonsh in /system/addon.d/999-nanodroidpatcher.sh \
/system/addon.d/70-nanodroidpatcher.sh \
/system/addon.d/91-nanodroid.sh; do
[ -f ${addonsh} ] && rm -f ${addonsh}
done
for pfile in /data/adb/.nanodroid-patcher /data/adb/NanoDroid_Patched; do
[ -f ${pfile} ] && rm -f ${pfile}
done
}
ui_print " "
ui_print "*****************************"
ui_print " NanoDroid 20.0.20181111 "
ui_print " created by Nanolx "
ui_print " Uninstaller "
ui_print "*****************************"
ui_print " "
detect_bootmode
mount_partitions
ui_print " << Removing configuration files (if any)"
for path in ${config_locations}; do
for file in ${config_files}; do
if [ -f "${path}/${file}" ]; then
rm -f "${path}/${file}"
ui_print " <<> removing ${path}/${file}"
fi
done
done
ui_print " << Removing installation logs (if any)"
# old format
rm -f /data/adb/.nanodroid_*
rm -f /data/adb/.recovery_*
# new format
rm -f /data/adb/NanoDroid_log*
rm -f /data/adb/NanoDroid_twrp*
# System Mode uninstallation
for install_info in /data/adb/.nanodroid-list /data/adb/NanoDroid_FileList; do
[ -f ${install_info} ] && system_mode_uninstall ${install_info}
done
patcher_uninstall
if [ -f /data/adb/magisk.img ]; then
mkdir -p /magisk
mount_image /data/adb/magisk.img /magisk || \
error " failed to mount /magisk"
fi
if (is_mounted /magisk); then
for module in NanoDroid NanoDroid_microG NanoDroid_FDroid; do
if [ -d /magisk/${module} ]; then
ui_print " << uninstalling: ${module}"
rm -rf /magisk/${module}
fi
done
fi
ui_print " >> clean up"
if (is_mounted /magisk); then
umount /magisk
losetup -d $LOOPDEVICE
rmdir /magisk
shrink_magisk_img || \
error " failed to shrink magisk.img"
fi
umount /system
ui_print " "
ui_print " > Done!"
ui_print " "
ui_print "Thanks for giving NanoDroid a try"
ui_print " "
exit 0