Magisk/zip_static/META-INF/com/google/android/update-binary

503 lines
14 KiB
Plaintext
Raw Normal View History

2016-09-14 04:31:13 +02:00
#!/sbin/sh
##########################################################################################
#
# Magisk Boot Image Patcher
# by topjohnwu
#
# This zip will patch your boot image with Magisk support
#
##########################################################################################
if [ -z "$BOOTMODE" ]; then
BOOTMODE=false
fi
2016-10-02 22:34:50 +02:00
TMPDIR=/tmp
($BOOTMODE) && TMPDIR=/dev/tmp
2016-09-14 04:31:13 +02:00
INSTALLER=$TMPDIR/magisk
COREDIR=/magisk/.core
##########################################################################################
# Flashable update-binary preparation
##########################################################################################
OUTFD=$2
ZIP=$3
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
mkdir -p $INSTALLER
cd $INSTALLER
unzip -o "$ZIP"
##########################################################################################
# Functions
##########################################################################################
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
}
getvar() {
local VARNAME=$1
local VALUE=$(eval echo \$"$VARNAME");
for FILE in /data/.magisk /cache/.magisk /system/.magisk; do
if [ -z "$VALUE" ]; then
LINE=$(cat $FILE 2>/dev/null | grep "$VARNAME=")
if [ ! -z "$LINE" ]; then
VALUE=${LINE#*=}
fi
fi
done
eval $VARNAME=\$VALUE
}
find_boot_image() {
if [ -z "$BOOTIMAGE" ]; then
for PARTITION in kern-a KERN-A android_boot ANDROID_BOOT kernel KERNEL boot BOOT lnx LNX; do
BOOTIMAGE=$(readlink /dev/block/by-name/$PARTITION || readlink /dev/block/platform/*/by-name/$PARTITION || readlink /dev/block/platform/*/*/by-name/$PARTITION)
if [ ! -z "$BOOTIMAGE" ]; then break; fi
done
fi
2016-10-02 22:34:50 +02:00
if [ -z "$BOOTIMAGE" ]; then
FSTAB="/etc/recovery.fstab"
[ ! -f "$FSTAB" ] && FSTAB="/etc/recovery.fstab.bak"
BOOTIMAGE=$(grep -E '\b/boot\b' "$FSTAB" | grep -oE '/dev/[a-zA-Z0-9_./-]*')
fi
2016-09-14 04:31:13 +02:00
}
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 $?
}
2016-10-02 22:34:50 +02:00
mount_image() {
if [ ! -d "$2" ]; then
mount -o rw,remount rootfs /
mkdir -p $2 2>/dev/null
($BOOTMODE) && mount -o ro,remount rootfs /
[ ! -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
if [ ! -f "$LOOPDEVICE" ]; then
mknod $LOOPDEVICE b 7 $LOOP
fi
losetup $LOOPDEVICE $1
if [ "$?" -eq "0" ]; then
mount -t ext4 -o loop $LOOPDEVICE $2
if (! is_mounted $2); then
/system/bin/toolbox mount -t ext4 -o loop $LOOPDEVICE $2
fi
if (! is_mounted $2); then
/system/bin/toybox mount -t ext4 -o loop $LOOPDEVICE $2
fi
fi
if (is_mounted $2); then
ui_print "- Mounting $1 to $2"
break;
fi
fi
done
fi
}
2016-09-14 04:31:13 +02:00
grep_prop() {
REGEX="s/^$1=//p"
shift
FILES=$@
if [ -z "$FILES" ]; then
FILES='/system/build.prop'
fi
cat $FILES 2>/dev/null | sed -n $REGEX | head -n 1
}
2016-10-02 22:34:50 +02:00
unpack_boot() {
rm -rf $UNPACKDIR $RAMDISK 2>/dev/null
mkdir -p $UNPACKDIR
mkdir -p $RAMDISK
cd $UNPACKDIR
$BINDIR/bootimgtools --extract $1
find $TMPDIR/boottmp -type d -exec chmod 755 {} \;
find $TMPDIR/boottmp -type f -exec chmod 644 {} \;
chmod 755 $(find $TMPDIR/boottmp -type d)
chmod 644 $(find $TMPDIR/boottmp -type f)
cd $RAMDISK
gunzip -c < $UNPACKDIR/ramdisk.gz | cpio -i
}
2016-09-14 04:31:13 +02:00
repack_boot() {
cd $RAMDISK
find . | cpio -o -H newc 2>/dev/null | gzip -9 > $UNPACKDIR/ramdisk.gz
cd $UNPACKDIR
$BINDIR/bootimgtools --repack $ORIGBOOT
if [ -f chromeos ]; then
echo " " > config
echo " " > bootloader
$CHROMEDIR/futility vbutil_kernel --pack new-boot.img.signed --keyblock $CHROMEDIR/kernel.keyblock --signprivate $CHROMEDIR/kernel_data_key.vbprivk --version 1 --vmlinuz new-boot.img --config config --arch arm --bootloader bootloader --flags 0x1
rm -f new-boot.img
mv new-boot.img.signed new-boot.img
fi
if ($SAMSUNG); then
SAMSUNG_CHECK=$(cat new-boot.img | grep SEANDROIDENFORCE)
if [ $? -ne 0 ]; then
echo -n "SEANDROIDENFORCE" >> new-boot.img
fi
fi
mv new-boot.img $NEWBOOT
$BINDIR/bootimgtools --hexpatch $NEWBOOT \
49010054011440B93FA00F71E9000054010840B93FA00F7189000054001840B91FA00F7188010054 \
A1020054011440B93FA00F7140020054010840B93FA00F71E0010054001840B91FA00F7181010054
}
##########################################################################################
# Detection
##########################################################################################
ui_print "****************************"
ui_print "Magisk v7 Boot Image Patcher"
ui_print "****************************"
if [ ! -d "$INSTALLER/common" ]; then
ui_print "! Failed: Unable to extract zip file!"
exit 1
fi
ui_print "- Mounting /system(ro), /cache, /data"
mount -o ro /system 2>/dev/null
mount /cache 2>/dev/null
mount /data 2>/dev/null
if [ ! -f '/system/build.prop' ]; then
ui_print "! Failed: /system could not be mounted!"
exit 1
fi
API=$(grep_prop ro.build.version.sdk)
ABI=$(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
2016-10-03 22:16:49 +02:00
IS64BIT=false
2016-09-14 04:31:13 +02:00
if [ "$ABI" = "x86" ]; then ARCH=x86; fi;
if [ "$ABI2" = "x86" ]; then ARCH=x86; fi;
2016-10-03 22:16:49 +02:00
if [ "$ABILONG" = "arm64-v8a" ]; then ARCH=arm64; IS64BIT=true; fi;
if [ "$ABILONG" = "x86_64" ]; then ARCH=x64; IS64BIT=true; fi;
2016-09-14 04:31:13 +02:00
if [ "$API" -lt "21" ]; then
ui_print "! Magisk is only for Lollipop 5.0+ (SDK 21+)"
exit 1
fi
ui_print "- Device platform: $ARCH"
BINDIR=$INSTALLER/arm
if [ "$ARCH" = "x86" -o "$ARCH" = "x64" ]; then
BINDIR=$INSTALLER/x86
fi
find_boot_image
if [ -z "$BOOTIMAGE" ]; then
ui_print "! Unable to detect boot image"
exit 1
fi
if [ -z "$NOOVERRIDE" ]; then
# read override variables
getvar KEEPVERITY
getvar KEEPFORCEENCRYPT
2016-10-02 22:34:50 +02:00
getvar NORESTORE
2016-09-14 04:31:13 +02:00
fi
if [ -z "$KEEPVERITY" ]; then
# we don't keep dm-verity by default
KEEPVERITY=false
fi
if [ -z "$KEEPFORCEENCRYPT" ]; then
# we don't keep forceencrypt by default
KEEPFORCEENCRYPT=false
fi
2016-10-02 22:34:50 +02:00
if [ -z "$NORESTORE" ]; then
# we don't keep ramdisk by default
NORESTORE=false
2016-09-14 04:31:13 +02:00
fi
SAMSUNG=false
SAMSUNG_CHECK=$(cat /system/build.prop | grep "ro.build.fingerprint=" | grep -i "samsung")
if [ $? -eq 0 ]; then
SAMSUNG=true
fi
2016-10-02 22:34:50 +02:00
##########################################################################################
# Environment
##########################################################################################
ui_print "- Constructing environment"
if (is_mounted /data); then
rm -rf /data/busybox /data/magisk 2>/dev/null
mkdir -p /data/busybox
cp -af $BINDIR /data/magisk
chmod 755 /data/busybox /data/magisk /data/magisk/*
chcon 'u:object_r:system_file:s0' /data/busybox /data/magisk /data/magisk/*
/data/magisk/busybox --install -s /data/busybox
# Prevent issues
rm -f /data/busybox/su /data/busybox/sh
else
rm -rf /cache/data_bin 2>/dev/null
mkdir -p /cache/data_bin
cp -af $BINDIR /cache/data_bin
fi
2016-09-14 04:31:13 +02:00
##########################################################################################
# Image
##########################################################################################
2016-10-02 22:34:50 +02:00
# Fix SuperSU.....
($BOOTMODE) && /data/magisk/sepolicy-inject -s fsck --live
2016-09-14 04:31:13 +02:00
if (is_mounted /data); then
IMG=/data/magisk.img
else
IMG=/cache/magisk.img
ui_print "- Data unavalible, use cache workaround"
fi
if [ -f "$IMG" ]; then
ui_print "- $IMG detected!"
else
ui_print "- Creating $IMG"
make_ext4fs -l 64M -a /magisk -S $INSTALLER/common/file_contexts_image $IMG
fi
2016-10-02 22:34:50 +02:00
mount_image $IMG /magisk
2016-09-14 04:31:13 +02:00
if (! is_mounted /magisk); then
2016-10-02 22:34:50 +02:00
ui_print "! Image mount failed... abort"
exit 1
2016-09-14 04:31:13 +02:00
fi
2016-10-02 22:34:50 +02:00
MAGISKLOOP=$LOOPDEVICE
2016-09-14 04:31:13 +02:00
##########################################################################################
# Boot image patch
##########################################################################################
ui_print "- Found Boot Image: $BOOTIMAGE"
rm -rf $TMPDIR/boottmp 2>/dev/null
mkdir -p $TMPDIR/boottmp
CHROMEDIR=$INSTALLER/chromeos
ORIGBOOT=$TMPDIR/boottmp/boot.img
NEWBOOT=$TMPDIR/boottmp/new-boot.img
UNPACKDIR=$TMPDIR/boottmp/bootunpack
RAMDISK=$TMPDIR/boottmp/ramdisk
chmod 777 $CHROMEDIR/futility $BINDIR/*
ui_print "- Dumping boot image"
dd if=$BOOTIMAGE of=$ORIGBOOT
ui_print "- Unpacking boot image"
2016-10-02 22:34:50 +02:00
unpack_boot $ORIGBOOT
2016-09-14 04:31:13 +02:00
2016-10-02 22:34:50 +02:00
SUPERSU=false
2016-09-14 04:31:13 +02:00
2016-10-02 22:34:50 +02:00
if (! $NORESTORE); then
2016-09-14 04:31:13 +02:00
# Backups
if [ -d ".backup" ]; then
2016-10-02 22:34:50 +02:00
ui_print "- Restoring ramdisk with backup"
2016-09-14 04:31:13 +02:00
cp -af .backup/* .
2016-10-03 22:16:49 +02:00
rm -rf magisk init.magisk.rc sbin/magic_mask.sh 2>/dev/null
2016-09-14 04:31:13 +02:00
else
2016-10-02 22:34:50 +02:00
if [ -f "sbin/launch_daemonsu.sh" ]; then
SUPERSU=true
# Save it for helper module
2016-10-03 05:01:24 +02:00
mkdir -p /magisk/zzsupersu
touch /magisk/zzsupersu/stub
2016-10-02 22:34:50 +02:00
cp -af sbin/launch_daemonsu.sh $INSTALLER/roothelper/launch_daemonsu.sh
fi
# Non-standard boot image restores
if ($SUPERSU); then
ui_print "- SuperSU patched boot detected"
# Restore with SuperSU's backup
MOUNTSU=false
(! is_mounted /su) && (is_mounted /data) && mount_image /data/su.img /su && MOUNTSU=true
if (is_mounted /su); then
# Use sukernel's built-in functions
ui_print "- Using sukernel to restore boot image"
2016-09-14 04:31:13 +02:00
cd $UNPACKDIR
2016-10-02 22:34:50 +02:00
gunzip -c < $UNPACKDIR/ramdisk.gz > suramdisk
/su/bin/sukernel --restore suramdisk /data/stock_boot.img
if [ "$?" -ne "0" ]; then
# No boot backup found, use ramdisk backup
ui_print "- Restoring ramdisk with backup"
/su/bin/sukernel --cpio-restore suramdisk suramdisk
rm -rf $RAMDISK
mkdir -p $RAMDISK
cd $RAMDISK
cpio -i < $UNPACKDIR/suramdisk
rm -f $UNPACKDIR/suramdisk
else
ui_print "- Restoring boot image with backup"
cp -af /data/stock_boot.img $ORIGBOOT
unpack_boot $ORIGBOOT
fi
if ($MOUNTSU); then
ui_print "- Unmounting su.img"
umount /su
losetup -d $LOOPDEVICE
fi
2016-09-14 04:31:13 +02:00
else
2016-10-02 22:34:50 +02:00
# Find the boot backup ourselves
ui_print "! su.img mount failed... find the backup ourselves"
cp -af /data/stock_boot_*.gz /data/stock_boot.img.gz 2>/dev/null
gzip -d /data/stock_boot.img.gz 2>/dev/null
rm -rf /data/stock_boot.img.gz 2>/dev/null
if [ -f "/data/stock_boot.img" ]; then
ui_print "- Restoring boot image with backup"
cp -af /data/stock_boot.img $ORIGBOOT
unpack_boot $ORIGBOOT
else
ui_print "! No backups found"
ui_print "! Installer will still proceed, but might cause issues"
ui_print "! If possible, please restore to stock boot then flash Magisk again"
# Force removing SuperSU parts
rm -rf su init.supersu.rc sbin/launch_daemonsu.sh 2>/dev/null
fi
fi
else
# Magisk's own situation
if [ -d "magisk" ]; then
cp -af /data/stock_boot_*.gz /data/stock_boot.img.gz 2>/dev/null
gzip -d /data/stock_boot.img.gz 2>/dev/null
if [ -f "/data/stock_boot.img" ]; then
ui_print "- Restoring boot image with backup"
cp -af /data/stock_boot.img $ORIGBOOT
unpack_boot $ORIGBOOT
else
ui_print "! No backups found"
ui_print "! Installer will still proceed, but might cause issues"
ui_print "! If possible, please restore to stock boot then flash Magisk again"
# Removing other boot image modifications
rm -rf sbin/su init.xposed.rc sbin/mount_xposed.sh 2>/dev/null
fi
2016-09-14 04:31:13 +02:00
fi
fi
ui_print "- Creating backups"
mkdir .backup
cp -af init.rc *fstab* verity_key sepolicy .backup 2>/dev/null
if (is_mounted /data); then
cp -af $ORIGBOOT /data/stock_boot.img
else
cp -af $ORIGBOOT /cache/stock_boot.img
fi
fi
fi
2016-10-02 22:34:50 +02:00
ui_print "- Installing root helper module"
cp -af $INSTALLER/roothelper /magisk/00roothelper
2016-10-03 04:16:52 +02:00
chmod 755 /magisk/00roothelper /magisk/00roothelper/*
2016-10-02 22:34:50 +02:00
2016-09-14 04:31:13 +02:00
# Patch ramdisk
ui_print "- Patching ramdisk"
if [ $(grep -c "import /init.magisk.rc" init.rc) -eq "0" ]; then
sed -i "/import \/init\.environ\.rc/iimport /init.magisk.rc" init.rc
fi
2016-10-02 22:34:50 +02:00
sed -i "/selinux.reload_policy/d" init.rc
find . -type f -name "*fstab*" 2>/dev/null | while read FSTAB ; do
if (! $KEEPVERITY); then
sed -i "s/,support_scfs//g" $FSTAB
sed -i 's;,\{0,1\}verify\(=[^,]*\)\{0,1\};;g' $FSTAB
2016-09-14 04:31:13 +02:00
fi
2016-10-02 22:34:50 +02:00
if (! $KEEPFORCEENCRYPT); then
sed -i "s/forceencrypt/encryptable/g" $FSTAB
sed -i "s/forcefdeorfbe/encryptable/g" $FSTAB
fi
done
if (! $KEEPVERITY); then
rm verity_key 2>/dev/null
fi
2016-10-02 22:34:50 +02:00
# sepolicy patches
$BINDIR/sepolicy-inject --magisk -P sepolicy
2016-09-14 04:31:13 +02:00
# Add new items
mkdir -p magisk 2>/dev/null
cp -af $INSTALLER/common/init.magisk.rc init.magisk.rc
cp -af $INSTALLER/common/magic_mask.sh sbin/magic_mask.sh
2016-10-02 22:34:50 +02:00
chmod 0755 magisk
chmod 0750 init.magisk.rc sbin/magic_mask.sh
2016-09-14 04:31:13 +02:00
ui_print "- Repacking boot image"
repack_boot
ORIGSIZE=$(ls -l $ORIGBOOT | awk '{print $5}')
NEWSIZE=$(ls -l $NEWBOOT | awk '{print $5}')
if [ "$NEWSIZE" -gt "$ORIGSIZE" ]; then
ui_print "! Boot partition space insufficient"
2016-10-02 22:34:50 +02:00
ui_print "! Try to remove ramdisk backups"
rm -rf $RAMDISK/.backup $NEWBOOT 2>/dev/null
2016-09-14 04:31:13 +02:00
repack_boot
NEWSIZE=$(ls -l $NEWBOOT | awk '{print $5}')
if [ "$NEWSIZE" -gt "$ORIGSIZE" ]; then
ui_print "! Boot partition size still too small..."
ui_print "! Unable to install Magisk"
exit 1
fi
fi
chmod 644 $NEWBOOT
2016-10-02 22:34:50 +02:00
if [ -L "$BOOTIMAGE" ]; then
ui_print "- Block symlink detected!"
else
dd if=/dev/zero of=$BOOTIMAGE bs=4096 2>/dev/null
fi
2016-09-14 04:31:13 +02:00
ui_print "- Flashing new boot image"
dd if=$NEWBOOT of=$BOOTIMAGE bs=4096
if (! $BOOTMODE); then
2016-10-02 22:34:50 +02:00
ui_print "- Unmounting partitions"
2016-09-14 04:31:13 +02:00
umount /magisk
2016-10-02 22:34:50 +02:00
losetup -d $MAGISKLOOP
2016-09-14 04:31:13 +02:00
umount /system
fi
ui_print "- Done"
exit 0