151 lines
4.3 KiB
Bash
151 lines
4.3 KiB
Bash
#!/system/bin/sh
|
|
|
|
[ -z $BOOTMODE ] && BOOTMODE=false
|
|
TMPDIR=/tmp
|
|
($BOOTMODE) && TMPDIR=/dev/tmp
|
|
|
|
BINDIR=/data/magisk
|
|
CHROMEDIR=$BINDIR/chromeos
|
|
|
|
NEWBOOT=$TMPDIR/boottmp/new-boot.img
|
|
UNPACKDIR=$TMPDIR/boottmp/bootunpack
|
|
RAMDISK=$TMPDIR/boottmp/ramdisk
|
|
|
|
SYSTEMLIB=/system/lib
|
|
[ -d /system/lib64 ] && SYSTEMLIB=/system/lib64
|
|
|
|
ui_print() {
|
|
echo "$1"
|
|
}
|
|
|
|
grep_prop() {
|
|
REGEX="s/^$1=//p"
|
|
shift
|
|
FILES=$@
|
|
if [ -z "$FILES" ]; then
|
|
FILES='/system/build.prop'
|
|
fi
|
|
cat $FILES 2>/dev/null | sed -n $REGEX | head -n 1
|
|
}
|
|
|
|
find_boot_image() {
|
|
if [ -z "$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
|
|
if [ -z "$BOOTIMAGE" ]; then
|
|
FSTAB="/etc/recovery.fstab"
|
|
[ ! -f "$FSTAB" ] && FSTAB="/etc/recovery.fstab.bak"
|
|
[ -f "$FSTAB" ] && BOOTIMAGE=`grep -E '\b/boot\b' "$FSTAB" | grep -oE '/dev/[a-zA-Z0-9_./-]*'`
|
|
fi
|
|
}
|
|
|
|
unpack_boot() {
|
|
rm -rf $UNPACKDIR $RAMDISK 2>/dev/null
|
|
mkdir -p $UNPACKDIR
|
|
mkdir -p $RAMDISK
|
|
cd $UNPACKDIR
|
|
LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/bootimgtools --extract $1
|
|
|
|
cd $RAMDISK
|
|
$BINDIR/busybox gunzip -c < $UNPACKDIR/ramdisk.gz | cpio -i
|
|
}
|
|
|
|
repack_boot() {
|
|
cd $RAMDISK
|
|
find . | cpio -o -H newc 2>/dev/null | gzip -9 > $UNPACKDIR/ramdisk.gz
|
|
cd $UNPACKDIR
|
|
LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/bootimgtools --repack $BOOTIMAGE
|
|
if [ -f chromeos ]; then
|
|
echo " " > config
|
|
echo " " > bootloader
|
|
LD_LIBRARY_PATH=$SYSTEMLIB $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 [ $? -ne 0 ]; then
|
|
echo -n "SEANDROIDENFORCE" >> new-boot.img
|
|
fi
|
|
fi
|
|
if ($LGE_G); then
|
|
# Prevent secure boot error on LG G2/G3.
|
|
# Just for know, It's a pattern which bootloader verifies at boot. Thanks to LG hackers.
|
|
echo -n -e "\x41\xa9\xe4\x67\x74\x4d\x1d\x1b\xa4\x29\xf2\xec\xea\x65\x52\x79" >> new-boot.img
|
|
fi
|
|
mv new-boot.img $NEWBOOT
|
|
}
|
|
|
|
# Set permissions
|
|
chmod -R 755 $CHROMEDIR/futility $BINDIR
|
|
|
|
# Find the boot image
|
|
find_boot_image
|
|
if [ -z "$BOOTIMAGE" ]; then
|
|
ui_print "! Unable to detect boot image"
|
|
exit 1
|
|
fi
|
|
|
|
ui_print "- Found Boot Image: $BOOTIMAGE"
|
|
|
|
# Detect special vendors
|
|
SAMSUNG=false
|
|
SAMSUNG_CHECK=$(cat /system/build.prop | grep "ro.build.fingerprint=" | grep -i "samsung")
|
|
if [ $? -eq 0 ]; then
|
|
SAMSUNG=true
|
|
fi
|
|
LGE_G=false
|
|
RBRAND=$(grep_prop ro.product.brand)
|
|
RMODEL=$(grep_prop ro.product.device)
|
|
if [ "$RBRAND" = "lge" ] || [ "$RBRAND" = "LGE" ]; then
|
|
if [ "$RMODEL" = "*D80*" ] ||
|
|
[ "$RMODEL" = "*S98*" ] ||
|
|
[ "$RMODEL" = "*D85*" ] ||
|
|
[ "$RMODEL" = "*F40*" ]; then
|
|
LGE_G=true
|
|
ui_print "! Bump device detected"
|
|
fi
|
|
fi
|
|
|
|
# First unpack the boot image
|
|
unpack_boot $BOOTIMAGE
|
|
|
|
SUPERSU=false
|
|
[ -f sbin/launch_daemonsu.sh ] && SUPERSU=true
|
|
|
|
if ($SUPERSU); then
|
|
ui_print "- SuperSU patched image detected"
|
|
rm -f magisk sbin/init.magisk.rc sbin/magic_mask.sh
|
|
repack_boot
|
|
else
|
|
if [ -f /data/stock_boot.img ]; then
|
|
ui_print "- Boot image backup found!"
|
|
NEWBOOT=/data/stock_boot.img
|
|
else
|
|
ui_print "! Boot image backup unavailable"
|
|
if [ -d ".backup" ]; then
|
|
ui_print "- Restoring ramdisk with backup"
|
|
cp -af .backup/. .
|
|
fi
|
|
rm -f magisk sbin/init.magisk.rc sbin/magic_mask.sh
|
|
repack_boot
|
|
fi
|
|
fi
|
|
|
|
chmod 644 $NEWBOOT
|
|
|
|
ui_print "- Flashing stock/reverted image"
|
|
[ ! -L "$BOOTIMAGE" ] && dd if=/dev/zero of=$BOOTIMAGE bs=4096 2>/dev/null
|
|
dd if=$NEWBOOT of=$BOOTIMAGE bs=4096
|
|
|
|
ui_print "- Removing Magisk files"
|
|
rm -rf /cache/magisk.log /cache/last_magisk.log /cache/magiskhide.log /cache/.disable_magisk \
|
|
/cache/magisk /cache/magisk_merge /cache/magisk_mount /cache/unblock /cache/magisk_uninstaller.sh \
|
|
/data/Magisk.apk /data/magisk.apk /data/magisk.img /data/magisk_merge.img \
|
|
/data/busybox /data/magisk /data/custom_ramdisk_patch.sh 2>/dev/null
|
|
|
|
($BOOTMODE) && reboot
|