Magisk/scripts/magisk_uninstaller.sh

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#MAGISK
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##########################################################################################
#
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# Magisk Uninstaller
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# by topjohnwu
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#
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##########################################################################################
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##########################################################################################
# Preparation
##########################################################################################
# This path should work in any cases
TMPDIR=/dev/tmp
INSTALLER=$TMPDIR/install
CHROMEDIR=$INSTALLER/chromeos
# Default permissions
umask 022
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OUTFD=$2
ZIP=$3
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if [ ! -f $INSTALLER/util_functions.sh ]; then
echo "! Unable to extract zip file!"
exit 1
fi
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# Load utility functions
. $INSTALLER/util_functions.sh
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setup_flashable
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ui_print "************************"
ui_print " Magisk Uninstaller "
ui_print "************************"
is_mounted /data || mount /data || abort "! Unable to mount partitions"
is_mounted /cache || mount /cache 2>/dev/null
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mount_partitions
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api_level_arch_detect
ui_print "- Device platform: $ARCH"
MAGISKBIN=$INSTALLER/$ARCH32
mv $CHROMEDIR $MAGISKBIN
chmod -R 755 $MAGISKBIN
check_data
$DATA_DE || abort "! Cannot access /data, please uninstall with Magisk Manager"
$BOOTMODE || recovery_actions
##########################################################################################
# Uninstall
##########################################################################################
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find_boot_image
find_dtbo_image
[ -e $BOOTIMAGE ] || abort "! Unable to detect boot image"
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ui_print "- Found target image: $BOOTIMAGE"
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[ -z $DTBOIMAGE ] || ui_print "- Found dtbo image: $DTBOIMAGE"
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cd $MAGISKBIN
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CHROMEOS=false
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ui_print "- Unpacking boot image"
./magiskboot --unpack "$BOOTIMAGE"
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case $? in
1 )
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abort "! Unable to unpack boot image"
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;;
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2 )
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ui_print "- ChromeOS boot image detected"
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CHROMEOS=true
;;
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3 )
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ui_print "! Sony ELF32 format detected"
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abort "! Please use BootBridge from @AdrianDC"
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;;
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4 )
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ui_print "! Sony ELF64 format detected"
abort "! Stock kernel cannot be patched, please use a custom kernel"
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esac
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# Detect boot image state
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ui_print "- Checking ramdisk status"
./magiskboot --cpio ramdisk.cpio test
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case $? in
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0 ) # Stock boot
ui_print "- Stock boot image detected"
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;;
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1 ) # Magisk patched
ui_print "- Magisk patched image detected"
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# Find SHA1 of stock boot image
[ -z $SHA1 ] && SHA1=`./magiskboot --cpio ramdisk.cpio sha1 2>/dev/null`
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STOCKBOOT=/data/stock_boot_${SHA1}.img.gz
STOCKDTBO=/data/stock_dtbo.img.gz
if [ -f $STOCKBOOT ]; then
ui_print "- Restoring stock boot image"
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flash_image $STOCKBOOT $BOOTIMAGE
if [ -f $STOCKDTBO -a -b "$DTBOIMAGE" ]; then
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ui_print "- Restoring stock dtbo image"
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flash_image $STOCKDTBO $DTBOIMAGE
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fi
else
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ui_print "! Boot image backup unavailable"
ui_print "- Restoring ramdisk with internal backup"
./magiskboot --cpio ramdisk.cpio restore
./magiskboot --repack $BOOTIMAGE
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# Sign chromeos boot
$CHROMEOS && sign_chromeos
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ui_print "- Flashing restored boot image"
flash_image new-boot.img $BOOTIMAGE || abort "! Insufficient partition size"
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fi
;;
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2 ) # Other patched
ui_print "! Boot image patched by other programs"
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abort "! Cannot uninstall"
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;;
esac
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ui_print "- Removing Magisk files"
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rm -rf /cache/*magisk* /cache/unblock /data/*magisk* /data/cache/*magisk* /data/property/*magisk* \
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/data/Magisk.apk /data/busybox /data/custom_ramdisk_patch.sh /data/adb/*magisk* \
/data/adb/post-fs-data.d /data/adb/service.d /data/adb/modules* 2>/dev/null
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if [ -f /system/addon.d/99-magisk.sh ]; then
mount -o rw,remount /system
rm -f /system/addon.d/99-magisk.sh
fi
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cd /
if $BOOTMODE; then
ui_print "**********************************************"
ui_print "* Magisk Manager will uninstall itself, and *"
ui_print "* the device will reboot after a few seconds *"
ui_print "**********************************************"
(sleep 8; /system/bin/reboot)&
else
rm -rf /data/user*/*/*magisk* /data/app/*magisk*
recovery_cleanup
ui_print "- Done"
fi
rm -rf $TMPDIR
exit 0