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NanoDroid/patcher/CommonPatcher
2018-08-26 21:58:10 +02:00

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#!/sbin/sh
##########################################################################################
#
# NanoDroid Patcher survival script
# by Nanolx
#
##########################################################################################
##########################################################################################
# Generic Functions
##########################################################################################
setup_environment () {
TMPDIR=/dev/tmp/install
export ANDROID_DATA="${TMPDIR}"
PATH="${PATH}:/system/bin:/system/xbin"
MAGISK_IMG=/data/adb/magisk.img
MAGISK_PATH=/dev/tmp/magisk_img
}
ui_print() {
if $BOOTMODE; then
echo "$1"
else
echo -n -e "ui_print $1\n" >> /proc/self/fd/$OUTFD
echo -n -e "ui_print\n" >> /proc/self/fd/$OUTFD
fi
}
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 $?
}
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
${BOOTMODE} || mount -o bind /dev/urandom /dev/random
! is_mounted /system && mount -o rw /system
if [ ! -f /system/build.prop ]; then
SYSTEMBLOCK=$(find /dev/block -iname system${SLOT} | head -n 1)
mount -t ext4 -o rw ${SYSTEMBLOCK} /system
fi
[ -f /system/build.prop ] || is_mounted /system || error "failed to mount /system (unsupported A/B device?)"
if [ -f /system/init ]; then
mkdir /system_root 2>/dev/null
mount --move /system /system_root
mount -o bind /system_root/system /system
fi
[ ! -f /system/build.prop ] && error "failed to mount /system (unsupported A/B device?)"
}
error () {
ui_print "${@}"
magisk_cleanup
exit 1
}
##########################################################################################
# Device Functions
##########################################################################################
detect_outfd () {
readlink /proc/$$/fd/$OUTFD 2>/dev/null | grep /tmp >/dev/null
if [ "$?" -eq "0" ]; then
OUTFD=0
for FD in `ls /proc/$$/fd`; do
readlink /proc/$$/fd/$FD 2>/dev/null | grep pipe >/dev/null
if [ "$?" -eq "0" ]; then
ps | grep " 3 $FD " | grep -v grep >/dev/null
if [ "$?" -eq "0" ]; then
OUTFD=$FD
break
fi
fi
done
fi
}
detect_bootmode () {
ps | grep zygote | grep -v grep >/dev/null && BOOTMODE=true || BOOTMODE=false
${BOOTMODE} || ps -A 2>/dev/null | grep zygote | grep -v grep >/dev/null && BOOTMODE=true
${BOOTMODE} || id | grep -q 'uid=0' || BOOTMODE=true
}
grep_prop() {
REGEX="${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 "${REGEX}" 2>/dev/null
}
detect_classes_dex () {
SERVICES_JAR_DEX=$(unzip -lq /system/framework/services.jar | grep classes.dex)
if [ "${SERVICES_JAR_DEX}" ]; then
ROM_DEX_STATUS=DEODEX
else ROM_DEX_STATUS=${1}
fi
}
detect_odex () {
if [ -n "$(find '/system/framework/' -name '*.vdex')" ]; then
ui_print " "
ui_print " ++"
ui_print " ++ vdexed ROM detected"
ui_print " ++"
detect_classes_dex VDEX
elif [ -n "$(find '/system/framework/' -name '*.odex')" ]; then
ui_print " "
ui_print " ++"
ui_print " ++ odexed ROM detected"
ui_print " ++"
detect_classes_dex ODEX
elif [ "${SERVICES_JAR_DEX}" ]; then
ROM_DEX_STATUS=DEODEX
else
ROM_DEX_STATUS=UNKOWN
fi
echo " [++] ROM_DEX_STATUS=${ROM_DEX_STATUS}"
}
detect_arch () {
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 ${ARCH} in
arm | arm64 )
FILE=${BASEDIR}/file.arm
ZIPB=${BASEDIR}/zip.arm
if [ -f ${TMPDIR}/busybox.arm ]; then
BUSY=${TMPDIR}/busybox.arm
else BUSY=${BASEDIR}/busybox.arm
fi
;;
x86 | x86_64 )
FILE=${BASEDIR}/file.x86
ZIPB=${BASEDIR}/zip.x86
if [ -f ${TMPDIR}/busybox.x86 ]; then
BUSY=${TMPDIR}/busybox.x86
else BUSY=${BASEDIR}/busybox.x86
fi
;;
esac
V_EX=${BASEDIR}/vdexExtractor.${ARCH}
OLD_PATH=${PATH}
chmod 0755 ${BUSY}
mkdir -p ${BASEDIR}/busybox
ln -s ${BUSY} ${BASEDIR}/busybox/busybox
${BUSY} --install -s ${BASEDIR}/busybox/
export PATH="${BASEDIR}/busybox:${PATH}"
case ${ARCH} in
arm | x86 )
C_LD="/system/lib:/system/vendor/lib"
;;
arm64 | x86_64 )
C_LD="/system/lib64:/system/vendor/lib64"
;;
esac
ui_print " > device architecture: ${ARCH}"
}
detect_sdk () {
SDK_VERSION=$(grep_prop ro.build.version.sdk)
[ "${SDK_VERSION}" -gt 28 ] && \
error " !! Android versions beyond Pie are not yet supported"
if [ "${SDK_VERSION}" -eq 28 ]; then
ui_print " "
ui_print " ++ Android Pie (9.0) support"
ui_print " ++ is currently experimental"
ui_print " "
fi
[ "${SDK_VERSION}" -lt 16 ] && \
error " !! Android versions before Jelly Bean are not supported"
if [ "${SDK_VERSION}" -lt 24 ]; then
ui_print " > Android 4.1 - 6.0 (SDK ${SDK_VERSION}) detected"
PATCH_HOOK="${BASEDIR}/hook_4.1-6.0_services.jar.dex"
PATCH_UI_SERVICES="${BASEDIR}/ui_4.1-6.0_services.jar.dex"
else
ui_print " > Android 7.0 - 9.0 (SDK ${SDK_VERSION}) detected"
PATCH_HOOK="${BASEDIR}/hook_7.0-9.0_services.jar.dex"
fi
[ "${SDK_VERSION}" -gt 21 ] && DEX_OPTS="--multi-dex-threaded"
}
##########################################################################################
# Magisk Functions
##########################################################################################
grow_magisk_img () {
request_size_check /tmp/services.jar
image_size_check ${MAGISK_IMG}
if [ "$reqSizeM" -gt "$curFreeM" ]; then
SIZE=$(((reqSizeM + curUsedM) / 32 * 32 + 64))
resize2fs -f ${MAGISK_IMG} ${SIZE}M
e2fsck -yf ${MAGISK_IMG}
fi
}
shrink_magisk_img () {
image_size_check ${MAGISK_IMG}
NEWDATASIZE=$((curUsedM / 32 * 32 + 32))
if [ "$curSizeM" -gt "$NEWDATASIZE" ]; then
resize2fs -f ${MAGISK_IMG} ${NEWDATASIZE}M
e2fsck -yf ${MAGISK_IMG}
fi
}
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))
}
magisk_setup () {
if [ -f ${MAGISK_IMG} ]; then
grow_magisk_img || \
error " !! failed to grow magisk.img"
mount_image ${MAGISK_IMG} ${MAGISK_PATH} || \
error " !! failed to mount ${MAGISK_PATH}"
fi
}
magisk_cleanup () {
if (is_mounted ${MAGISK_PATH}); then
umount ${MAGISK_PATH}
losetup -d $LOOPDEVICE
rmdir ${MAGISK_PATH}
shrink_magisk_img || \
error " !! failed to shrink magisk.img"
fi
}
##########################################################################################
# Patcher Functions
##########################################################################################
setup_patcher () {
ui_print " > preparing environment"
rm -rf ${TMPDIR}
mkdir -p ${TMPDIR}
unzip -o "${ZIP}" -d ${TMPDIR} || \
error " !! failed to prepare environment"
for bin in zip.arm zip.x86 file.arm file.x86 \
vdexExtractor.arm vdexExtractor.x86 \
vdexExtractor.arm64 vdexExtractor.x86_64; do
chmod 0755 "${BASEDIR}/${bin}" || \
error " !! failed to prepare environment"
done
}
patch_services () {
ui_print " "
ui_print " > patching signature spoofing support"
ui_print " "
cp /system/framework/services.jar \
${BASEDIR}/services.jar || \
error " !! failed to copy services.jar"
for jar in /system/framework/*.jar ; do
BOOTCLASSES=${BOOTCLASSES}:${jar}
done
#
# XXX vdex stuff
#
if [ "${ROM_DEX_STATUS}" = "VDEX" ]; then
ui_print " >> deodexing services.jar [VDEX]"
cp /system/framework/oat/${ARCH}/services.vdex \
${BASEDIR}/services.vdex || \
error " !! failed to copy services.vdex"
LD_LIBRARY_PATH=${C_LD} \
${V_EX} -i ${BASEDIR}/services.vdex \
--ignore-crc-error --debug=4 || \
error " !! failed to deodex services.vdex"
mv ${BASEDIR}/services.apk_classes.dex ${BASEDIR}/classes.dex || \
error " !! failed to deodex services.vdex"
# just in case | not allowed to call error() !
LD_LIBRARY_PATH=${C_LD} \
${ZIPB} -d "${BASEDIR}/services.jar" \
'classes.dex'
LD_LIBRARY_PATH=${C_LD} \
${ZIPB} -j "${BASEDIR}/services.jar" \
"${BASEDIR}/classes.dex" || \
error " !! zip failed"
#
# XXX odex stuff
#
elif [ "${ROM_DEX_STATUS}" = "ODEX" ]; then
ui_print " >> deodexing services.jar [ODEX]"
mkdir -p "${BASEDIR}/services.jar-mod"
unzip -d "${BASEDIR}/services.jar-mod" "${BASEDIR}/services.jar"
ui_print " [1] baksmali services/classes.dex"
LD_LIBRARY_PATH=${C_LD} \
/system/bin/dalvikvm \
-classpath "${BASEDIR}/baksmali.dex" \
org.jf.baksmali.Main \
x "${BASEDIR}/services.jar-mod/classes.dex" \
-b "/system/framework/${ARCH}/boot.oat" \
-d "/system/framework" \
-o "${BASEDIR}/services.jar-deodex" || \
error " !! failed to deodex services.jar"
ui_print " [2] smali services/classes.dex"
LD_LIBRARY_PATH=${C_LD} \
/system/bin/dalvikvm \
-classpath "${BASEDIR}/smali.dex" \
org.jf.smali.Main \
a "${BASEDIR}/services.jar-deodex" \
-o "${BASEDIR}/services.jar-deodex/classes.dex" || \
error " !! failed to rebuild classes.dex"
# just in case | not allowed to call error() !
LD_LIBRARY_PATH=${C_LD} \
${ZIPB} -d "${BASEDIR}/services.jar" \
'classes*.dex'
LD_LIBRARY_PATH=${C_LD} \
${ZIPB} -j "${BASEDIR}/services.jar" \
"${BASEDIR}/services.jar-deodex"/classes*.dex || \
error " !! zip failed"
rm -rf "${BASEDIR}/services.jar-deodex" \
"${BASEDIR}/services.jar-mod"
fi
mkdir -p "${BASEDIR}/services.jar-mod"
PATCHES="${PATCH_HOOK} ${PATCH_CORE}"
ui_print " >> patching services.jar"
LD_LIBRARY_PATH=${C_LD} \
/system/bin/dalvikvm \
-classpath "${BASEDIR}/dexpatcher.dex" \
lanchon.dexpatcher.Main \
${DEX_OPTS} --api-level "${SDK_VERSION}" \
--verbose --debug --output ${BASEDIR}/services.jar-mod \
${BASEDIR}/services.jar ${PATCHES} || \
error " !! failed to apply patches"
LD_LIBRARY_PATH=${C_LD} \
${ZIPB} -d "${BASEDIR}/services.jar" \
'classes*.dex' || \
error " !! zip failed"
LD_LIBRARY_PATH=${C_LD} \
${ZIPB} -j "${BASEDIR}/services.jar" \
"${BASEDIR}/services.jar-mod"/classes*.dex || \
error " !! zip failed"
}
backup_services_jar () {
ui_print " << backing up services.jar to: /sdcard/nanodroid_backups"
mkdir -p /sdcard/nanodroid_backups
cp /system/framework/services.jar /sdcard/nanodroid_backups || \
error " !! failed to backup services.jar"
}
install_services () {
ui_print " "
for destination in /dev/tmp/magisk_img/NanoDroid /dev/tmp/magisk_img/NanoDroid_microG \
/sbin/.core/img/NanoDroid /sbin/.core/img/NanoDroid_microG /; do
if [ -d ${destination} ]; then
install_path="${destination}"
break
fi
done
if [ "${install_path}" = "/" ]; then
mount -orw,remount /system || \
error " !! failed to mount /system read-write"
backup_services_jar
fi
ui_print " << installing patched files to: ${install_path}"
mkdir -p "${install_path}/system/framework"
cp ${BASEDIR}/services.jar "${install_path}/system/framework" \
|| error " !! failed to install services.jar"
if [ "${install_path}" = "/" ]; then
echo /system/framework/services.jar >> /data/adb/NanoDroid_FileList
fi
touch /data/adb/NanoDroid_Patched
}
##########################################################################################
# addon.d
##########################################################################################
install_addond () {
ui_print " "
ui_print " Installing addon.d restoration setup"
mkdir -p /data/adb/nanodroid_patcher
[ -d /data/nanomod.patcher ] && rm -rf /data/nanomod.patcher
[ -d /data/adb/nanomod_patcher ] && rm -rf /data/nanomod_patcher
rm -f /system/addon.d/75-nanomodpatcher.sh \
/system/addon.d/75-nanodroidpatcher.sh
for file in core_services.jar.dex dexpatcher.dex file.arm file.x86 \
hook_4.1-6.0_services.jar.dex hook_7.0-9.0_services.jar.dex \
zip.arm zip.x86 magic.mgc vdexExtractor.arm vdexExtractor.x86 \
vdexExtractor.arm64 vdexExctractor.x86_64 baksmali.dex smali.dex; do
cp "${BASEDIR}/${file}" /data/adb/nanodroid_patcher/
done
cp /dev/tmp/CommonPatcher /data/adb/nanodroid_patcher/
cp ${BUSY} /data/adb/nanodroid_patcher/
chmod 0755 /data/adb/nanodroid_patcher/${BUSY}
cp "${BASEDIR}/999-nanodroidpatcher.sh" /system/addon.d/
chmod 0755 /system/addon.d/999-nanodroidpatcher.sh
}