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29210bc49236117478ee220aa4cc6e649db19421
anykernel3-rhode/META-INF/com/google/android/update-binary
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osm0sis b37d7e225f AK3+Backend: introduce systemless kernel modules support 
- with do.systemless prop enabled in anykernel.sh, will push the contents of modules/ to create a simple "ak3-helper" Magisk module, where testing on devices thus far shows it loads early enough that even replacement kernel object .ko modules will get loaded
- the ak3-helper module info is populated from the kernel.string and parsed kernel version from the kernel being flashed, and if at boot time a different kernel is detected the module automatically removes itself before being loaded to avoid conflicts
- since logical partitions and ext4-dedup on Android 10 now prevent mounting /system or /vendor rw under any circumstances, this feature gives kernel developers back the freedom they had before all this to improve kernel .ko modules, .conf files, etc. with the added bonus of it cleaning up after itself
2020-01-18 07:21:46 -04:00

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#!/sbin/sh
# AnyKernel3 Backend (DO NOT CHANGE)
# osm0sis @ xda-developers
OUTFD=/proc/self/fd/$2;
ZIPFILE="$3";
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;
$BOOTMODE && DIR=/sdcard || DIR=$(dirname "$ZIPFILE");
test "$ANDROID_ROOT" || ANDROID_ROOT=/system;
test "$home" || home=/tmp/anykernel;
ui_print() {
until [ ! "$1" ]; do
echo -e "ui_print $1\nui_print" > $OUTFD;
shift;
done;
}
ui_printfile() {
while IFS='' read -r line || $bb [[ -n "$line" ]]; do
ui_print "$line";
done < $1;
}
show_progress() { echo "progress $1 $2" > $OUTFD; }
file_getprop() { $bb grep "^$2=" "$1" | $bb cut -d= -f2-; }
int2ver() {
if [ "$1" -eq "$1" ] 2>/dev/null; then
echo "$1.0.0";
elif [ ! "$(echo "$1" | $bb cut -d. -f3)" ]; then
echo "$1.0";
else
echo "$1";
fi;
}
cleanup() {
cd $(dirname $home);
rm -rf $home;
}
debugging() {
case $(basename "$ZIPFILE" .zip) in
*-debugging)
ui_print " " "Creating debugging archive in $DIR...";
test -f /tmp/recovery.log && log=/tmp/recovery.log;
$bb tar -czf "$DIR/anykernel3-$(date +%Y-%m-%d_%H%M%S)-debug.tgz" $home $log;
;;
esac;
}
setup_mountpoint() {
test -L $1 && $bb mv -f $1 ${1}_link;
if [ ! -d $1 ]; then
rm -f $1;
mkdir $1;
fi;
}
is_mounted() { $bb mount | $bb grep -q " $1 "; }
umount_all() {
(if ! $BOOTMODE; then
umount_apex;
$bb umount /system;
$bb umount -l /system;
if [ -e /system_root ]; then
$bb umount /system_root;
$bb umount -l /system_root;
fi;
fi;
umount /vendor;
umount -l /vendor;
if [ "$umount_data" ]; then
$bb umount /data;
$bb umount -l /data;
fi) 2>/dev/null;
}
mount_apex() {
test -d /system/apex || return 1;
local apex dest loop minorx num;
setup_mountpoint /apex;
test -e /dev/block/loop1 && minorx=$(ls -l /dev/block/loop1 | $bb awk '{ print $6 }') || minorx=1;
num=0;
for apex in /system/apex/*; do
dest=/apex/$(basename $apex .apex);
test "$dest" == /apex/com.android.runtime.release && dest=/apex/com.android.runtime;
mkdir -p $dest;
case $apex in
*.apex)
$bb unzip -qo $apex apex_payload.img -d /apex;
$bb mv -f /apex/apex_payload.img $dest.img;
$bb mount -t ext4 -o ro,noatime $dest.img $dest 2>/dev/null;
if [ $? != 0 ]; then
while [ $num -lt 64 ]; do
loop=/dev/block/loop$num;
($bb mknod $loop b 7 $((num * minorx));
$bb losetup $loop $dest.img) 2>/dev/null;
num=$((num + 1));
$bb losetup $loop | $bb grep -q $dest.img && break;
done;
$bb mount -t ext4 -o ro,loop,noatime $loop $dest;
if [ $? != 0 ]; then
$bb losetup -d $loop 2>/dev/null;
fi;
fi;
;;
*) $bb mount -o bind $apex $dest;;
esac;
done;
export ANDROID_RUNTIME_ROOT=/apex/com.android.runtime;
export ANDROID_TZDATA_ROOT=/apex/com.android.tzdata;
export BOOTCLASSPATH=/apex/com.android.runtime/javalib/core-oj.jar:/apex/com.android.runtime/javalib/core-libart.jar:/apex/com.android.runtime/javalib/okhttp.jar:/apex/com.android.runtime/javalib/bouncycastle.jar:/apex/com.android.runtime/javalib/apache-xml.jar:/system/framework/framework.jar:/system/framework/ext.jar:/system/framework/telephony-common.jar:/system/framework/voip-common.jar:/system/framework/ims-common.jar:/system/framework/android.test.base.jar:/apex/com.android.conscrypt/javalib/conscrypt.jar:/apex/com.android.media/javalib/updatable-media.jar;
}
umount_apex() {
test -d /apex || return 1;
local dest loop;
for dest in $($bb find /apex -type d -mindepth 1 -maxdepth 1); do
if [ -f $dest.img ]; then
loop=$($bb mount | $bb grep $dest | $bb cut -d" " -f1);
fi;
($bb umount -l $dest;
$bb losetup -d $loop) 2>/dev/null;
done;
rm -rf /apex;
unset ANDROID_RUNTIME_ROOT ANDROID_TZDATA_ROOT BOOTCLASSPATH;
}
restore_env() {
test "$savedpath" && export LD_LIBRARY_PATH="$savedpath";
test "$savedpre" && export LD_PRELOAD="$savedpre";
umount_all;
($bb mv -f /apex_link /apex;
$bb mv -f /system_link /system;
$bb mv -f /system_root_link /system_root;
$bb umount -l /dev/random) 2>/dev/null;
}
abort() {
ui_print "$@";
debugging;
restore_env;
if [ ! -f anykernel.sh -o "$(file_getprop anykernel.sh do.cleanuponabort 2>/dev/null)" == 1 ]; then
cleanup;
fi;
exit 1;
}
dump_moduleinfo() {
cat <<EOF > $1;
name=AK3 Helper Module
version=$($bb awk '{ print $3 }' $home/vertmp) $($bb grep -oE '#.[0-9]' $home/vertmp)
versionCode=1
author=AnyKernel3
description=$kernel_string
EOF
}
dump_moduleremover() {
cat <<EOF > $1;
#!/system/bin/sh
MODDIR=\${0%/*};
if [ "\$(cat /proc/version)" != "\$(cat \$MODDIR/version)" ]; then
rm -rf \$MODDIR;
fi;
EOF
}
show_progress 1.34 4;
ui_print " ";
cleanup;
mkdir -p $home/bin;
cd $home;
unzip -o "$ZIPFILE";
if [ $? != 0 -o ! "$(ls tools)" ]; then
abort "Unzip failed. Aborting...";
fi;
for arch32 in x86 arm; do
if [ -d $home/tools/$arch32 ]; then
bb=$home/tools/$arch32/busybox;
chmod 755 $bb;
$bb >/dev/null 2>&1;
if [ $? == 0 ]; then
$bb mv -f $home/tools/$arch32/* $home/tools;
break;
fi;
fi;
done;
bb=$home/tools/busybox;
chmod 755 $bb;
$bb chmod -R 755 tools bin;
$bb --install -s bin;
if [ $? != 0 -o -z "$(ls bin)" ]; then
abort "Busybox setup failed. Aborting...";
fi;
if [ -f banner ]; then
ui_printfile banner;
ui_print " " " ";
fi;
kernel_string="$(file_getprop anykernel.sh kernel.string)";
ui_print "$kernel_string";
if [ -f version ]; then
ui_print " ";
ui_printfile version;
ui_print " ";
fi;
ui_print " " "AnyKernel3 by osm0sis @ xda-developers" " " " ";
$BOOTMODE || $bb mount -o bind /dev/urandom /dev/random;
umount_all;
setup_mountpoint $ANDROID_ROOT;
if ! is_mounted $ANDROID_ROOT; then
$bb mount -o ro -t auto $ANDROID_ROOT;
fi;
case $ANDROID_ROOT in
/system_root) setup_mountpoint /system;;
/system)
if [ -f /system/system/build.prop ]; then
setup_mountpoint /system_root;
$bb mount --move /system /system_root;
if [ $? != 0 ]; then
$bb umount /system;
$bb umount -l /system 2>/dev/null;
$bb mount -o ro -t auto /dev/block/bootdevice/by-name/system /system_root;
fi;
fi;
;;
esac;
if is_mounted /system_root; then
$bb mount -o bind /system_root/system /system;
fi;
$bb mount -o ro -t auto /vendor 2>/dev/null;
$BOOTMODE || mount_apex;
if ! is_mounted /data; then
$bb mount /data;
umount_data=1;
fi;
savedpath="$LD_LIBRARY_PATH";
savedpre="$LD_PRELOAD";
unset LD_LIBRARY_PATH;
unset LD_PRELOAD;
if [ ! "$(getprop 2>/dev/null)" ]; then
getprop() {
local propdir propfile propval;
for propdir in / /system_root /system /vendor /odm /product; do
for propfile in default.prop build.prop; do
test "$propval" && break 2 || propval="$(file_getprop $propdir/$propfile $1 2>/dev/null)";
done;
done;
test "$propval" && echo "$propval" || echo "";
}
elif [ ! "$(getprop ro.build.type 2>/dev/null)" ]; then
getprop() {
($(which getprop) | $bb grep "$1" | $bb cut -d[ -f3 | $bb cut -d] -f1) 2>/dev/null;
}
fi;
if [ "$(file_getprop anykernel.sh do.devicecheck)" == 1 ]; then
ui_print "Checking device...";
device=$(getprop ro.product.device 2>/dev/null);
product=$(getprop ro.build.product 2>/dev/null);
vendordevice=$(getprop ro.product.vendor.device 2>/dev/null);
vendorproduct=$(getprop ro.vendor.product.device 2>/dev/null);
for testname in $(file_getprop anykernel.sh 'device.name.*'); do
for devicename in $device $product $vendordevice $vendorproduct; do
if [ "$devicename" == "$testname" ]; then
ui_print "$testname" " ";
match=1;
break 2;
fi;
done;
done;
if [ ! "$match" ]; then
abort " " "Unsupported device. Aborting...";
fi;
fi;
supported_ver=$(file_getprop anykernel.sh supported.versions | $bb tr -d '[:space:]');
if [ "$supported_ver" ]; then
ui_print "Checking Android version...";
android_ver=$(file_getprop /system/build.prop ro.build.version.release);
parsed_ver=$(int2ver $android_ver);
if echo $supported_ver | $bb grep -q '-'; then
lo_ver=$(int2ver "$(echo $supported_ver | $bb cut -d- -f1)");
hi_ver=$(int2ver "$(echo $supported_ver | $bb cut -d- -f2)");
if echo -e "$hi_ver\n$lo_ver\n$parsed_ver" | $bb sort -g | $bb grep -n "$parsed_ver" | $bb grep -q '^2:'; then
supported=1;
fi;
else
for ver in $(echo $supported_ver | $bb sed 's;,; ;g'); do
if [ "$(int2ver $ver)" == "$parsed_ver" ]; then
supported=1;
break;
fi;
done;
fi;
if [ "$supported" ]; then
ui_print "$android_ver" " ";
else
abort " " "Unsupported Android version. Aborting...";
fi;
fi;
supported_lvl=$(file_getprop anykernel.sh supported.patchlevels | $bb grep -oE '[0-9]{4}-[0-9]{2}|-');
if [ "$supported_lvl" ]; then
ui_print "Checking Android security patch level...";
android_lvl=$(file_getprop /system/build.prop ro.build.version.security_patch);
parsed_lvl=$(echo $android_lvl | $bb grep -oE '[0-9]{4}-[0-9]{2}');
if echo $supported_lvl | $bb grep -q '^\-'; then
lo_lvl=0000-00;
hi_lvl=$(echo $supported_lvl | $bb awk '{ print $2 }');
elif echo $supported_lvl | $bb grep -q ' - '; then
lo_lvl=$(echo $supported_lvl | $bb awk '{ print $1 }');
hi_lvl=$(echo $supported_lvl | $bb awk '{ print $3 }');
elif echo $supported_lvl | $bb grep -q '\-$'; then
lo_lvl=$(echo $supported_lvl | $bb awk '{ print $1 }');
hi_lvl=9999-99;
fi;
if echo -e "$hi_lvl\n$lo_lvl\n$parsed_lvl" | $bb sort -g | $bb grep -n "$parsed_lvl" | $bb grep -q '^2:'; then
ui_print "$android_lvl" " ";
else
abort " " "Unsupported Android security patch level. Aborting...";
fi;
fi;
ui_print "Installing...";
core=$($bb grep -oE 'ak.*core.sh' anykernel.sh);
test -f tools/$core || $bb ln -s $home/tools/ak*-core.sh $home/tools/$core;
PATH="$home/bin:$PATH" home=$home $bb ash anykernel.sh $2;
if [ $? != 0 ]; then
abort;
fi;
if [ "$(file_getprop anykernel.sh do.modules)" == 1 ]; then
if [ "$(file_getprop anykernel.sh do.systemless)" == 1 ]; then
cd $home/modules;
ui_print " " "Creating kernel helper Magisk module...";
if [ -d /data/adb/magisk -a -f $home/split_img/.magisk ]; then
umask 022;
moddir=/data/adb/modules/ak3-helper;
rm -rf $moddir;
mkdir -p system $moddir;
($bb mv -f product system;
$bb mv -f vendor system) 2>/dev/null;
$bb cp -rLf * $moddir;
dump_moduleinfo $moddir/module.prop;
dump_moduleremover $moddir/post-fs-data.sh;
cp -f $home/vertmp $moddir/version;
else
ui_print "Magisk installation not found. Skipped!";
fi;
else
cd $home/modules;
ui_print " " "Pushing modules...";
$bb mount -o rw,remount -t auto /system;
$bb mount -o rw,remount -t auto /vendor 2>/dev/null;
for module in $(find . -name '*.ko'); do
modtarget=$(echo $module | $bb cut -c2-);
if [ ! -e $modtarget ]; then
case $module in
*/vendor/*) modcon=vendor;;
*) modcon=system;;
esac;
fi;
if is_mounted $modtarget; then
$bb mount -o rw,remount -t auto $modtarget;
fi;
mkdir -p $(dirname $modtarget);
$bb cp -rLf $module $modtarget;
$bb chown 0:0 $modtarget;
$bb chmod 644 $modtarget;
if [ "$modcon" ]; then
chcon "u:object_r:${modcon}_file:s0" $modtarget;
fi;
if is_mounted $modtarget; then
$bb mount -o ro,remount -t auto $modtarget;
fi;
done;
$bb mount -o ro,remount -t auto /system;
$bb mount -o ro,remount -t auto /vendor 2>/dev/null;
fi;
cd $home;
fi;
debugging;
restore_env;
if [ "$(file_getprop anykernel.sh do.cleanup)" == 1 ]; then
cleanup;
fi;
ui_print " " " " "Done!";
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